Commit | Line | Data |
---|---|---|
dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
abfb6b46 | 2 | Copyright (C) 1989, 93, 94, 95, 96, 1997, 1998, 1999, 2000, 2001, 2002 |
06a2c219 | 3 | Free Software Foundation, Inc. |
dc6f92b8 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4746118a | 9 | the Free Software Foundation; either version 2, or (at your option) |
dc6f92b8 JB |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
dc6f92b8 | 21 | |
06a2c219 | 22 | /* New display code by Gerd Moellmann <gerd@gnu.org>. */ |
3afe33e7 RS |
23 | /* Xt features made by Fred Pierresteguy. */ |
24 | ||
68c45bf0 PE |
25 | #include <config.h> |
26 | ||
039440c4 | 27 | /* On 4.3 these lose if they come after xterm.h. */ |
039440c4 | 28 | /* Putting these at the beginning seems to be standard for other .c files. */ |
039440c4 RS |
29 | #include <signal.h> |
30 | ||
4846819e RS |
31 | #include <stdio.h> |
32 | ||
dc6f92b8 JB |
33 | #ifdef HAVE_X_WINDOWS |
34 | ||
35 | #include "lisp.h" | |
9ac0d9e0 | 36 | #include "blockinput.h" |
dc6f92b8 | 37 | |
ae79c227 AS |
38 | /* Need syssignal.h for various externs and definitions that may be required |
39 | by some configurations for calls to signal later in this source file. */ | |
40 | #include "syssignal.h" | |
41 | ||
dc6f92b8 JB |
42 | /* This may include sys/types.h, and that somehow loses |
43 | if this is not done before the other system files. */ | |
44 | #include "xterm.h" | |
f451eb13 | 45 | #include <X11/cursorfont.h> |
dc6f92b8 JB |
46 | |
47 | /* Load sys/types.h if not already loaded. | |
48 | In some systems loading it twice is suicidal. */ | |
49 | #ifndef makedev | |
50 | #include <sys/types.h> | |
c118dd06 | 51 | #endif /* makedev */ |
dc6f92b8 | 52 | |
6df54671 | 53 | #ifdef BSD_SYSTEM |
dc6f92b8 | 54 | #include <sys/ioctl.h> |
6df54671 | 55 | #endif /* ! defined (BSD_SYSTEM) */ |
dc6f92b8 | 56 | |
2d368234 | 57 | #include "systty.h" |
3a2712f9 | 58 | #include "systime.h" |
dc6f92b8 | 59 | |
b8009dd1 | 60 | #ifndef INCLUDED_FCNTL |
dc6f92b8 | 61 | #include <fcntl.h> |
b8009dd1 | 62 | #endif |
dc6f92b8 JB |
63 | #include <ctype.h> |
64 | #include <errno.h> | |
65 | #include <setjmp.h> | |
66 | #include <sys/stat.h> | |
a0a7635f RS |
67 | /* Caused redefinition of DBL_DIG on Netbsd; seems not to be needed. */ |
68 | /* #include <sys/param.h> */ | |
dc6f92b8 | 69 | |
dc43ef94 | 70 | #include "charset.h" |
379b5ac0 | 71 | #include "coding.h" |
dc43ef94 | 72 | #include "ccl.h" |
7a13e894 | 73 | #include "frame.h" |
dc6f92b8 | 74 | #include "dispextern.h" |
ee569018 | 75 | #include "fontset.h" |
dc6f92b8 JB |
76 | #include "termhooks.h" |
77 | #include "termopts.h" | |
78 | #include "termchar.h" | |
dc6f92b8 | 79 | #include "gnu.h" |
dc6f92b8 | 80 | #include "disptab.h" |
dc6f92b8 | 81 | #include "buffer.h" |
f451eb13 | 82 | #include "window.h" |
3b2fa4e6 | 83 | #include "keyboard.h" |
bde7c500 | 84 | #include "intervals.h" |
dfcf069d | 85 | #include "process.h" |
bffcfca9 | 86 | #include "atimer.h" |
8feddab4 | 87 | #include "keymap.h" |
dc6f92b8 | 88 | |
d2bd6bc4 RS |
89 | #ifdef USE_X_TOOLKIT |
90 | #include <X11/Shell.h> | |
91 | #endif | |
92 | ||
06a2c219 GM |
93 | #ifdef HAVE_SYS_TIME_H |
94 | #include <sys/time.h> | |
95 | #endif | |
96 | #ifdef HAVE_UNISTD_H | |
97 | #include <unistd.h> | |
98 | #endif | |
99 | ||
d624284c | 100 | #ifdef USE_LUCID |
55a8b3ed | 101 | extern int xlwmenu_window_p P_ ((Widget w, Window window)); |
d624284c PJ |
102 | extern void xlwmenu_redisplay P_ ((Widget)); |
103 | #endif | |
104 | ||
3afe33e7 | 105 | #ifdef USE_X_TOOLKIT |
06a2c219 | 106 | |
952291d9 GM |
107 | extern void free_frame_menubar P_ ((struct frame *)); |
108 | extern struct frame *x_menubar_window_to_frame P_ ((struct x_display_info *, | |
109 | int)); | |
06a2c219 | 110 | |
0fdff6bb RS |
111 | #if (XtSpecificationRelease >= 5) && !defined(NO_EDITRES) |
112 | #define HACK_EDITRES | |
113 | extern void _XEditResCheckMessages (); | |
114 | #endif /* not NO_EDITRES */ | |
06a2c219 GM |
115 | |
116 | /* Include toolkit specific headers for the scroll bar widget. */ | |
117 | ||
118 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
119 | #if defined USE_MOTIF | |
120 | #include <Xm/Xm.h> /* for LESSTIF_VERSION */ | |
121 | #include <Xm/ScrollBar.h> | |
ec18280f SM |
122 | #else /* !USE_MOTIF i.e. use Xaw */ |
123 | ||
124 | #ifdef HAVE_XAW3D | |
06a2c219 | 125 | #include <X11/Xaw3d/Simple.h> |
06a2c219 GM |
126 | #include <X11/Xaw3d/Scrollbar.h> |
127 | #define ARROW_SCROLLBAR | |
128 | #include <X11/Xaw3d/ScrollbarP.h> | |
ec18280f SM |
129 | #else /* !HAVE_XAW3D */ |
130 | #include <X11/Xaw/Simple.h> | |
131 | #include <X11/Xaw/Scrollbar.h> | |
132 | #endif /* !HAVE_XAW3D */ | |
133 | #ifndef XtNpickTop | |
134 | #define XtNpickTop "pickTop" | |
135 | #endif /* !XtNpickTop */ | |
136 | #endif /* !USE_MOTIF */ | |
06a2c219 GM |
137 | #endif /* USE_TOOLKIT_SCROLL_BARS */ |
138 | ||
3afe33e7 RS |
139 | #endif /* USE_X_TOOLKIT */ |
140 | ||
b849c413 RS |
141 | #ifndef USE_X_TOOLKIT |
142 | #define x_any_window_to_frame x_window_to_frame | |
5627c40e | 143 | #define x_top_window_to_frame x_window_to_frame |
b849c413 RS |
144 | #endif |
145 | ||
546e6d5b | 146 | #ifdef USE_X_TOOLKIT |
d067ea8b | 147 | #include "widget.h" |
546e6d5b RS |
148 | #ifndef XtNinitialState |
149 | #define XtNinitialState "initialState" | |
150 | #endif | |
151 | #endif | |
152 | ||
06a2c219 GM |
153 | #define abs(x) ((x) < 0 ? -(x) : (x)) |
154 | ||
155 | #define BETWEEN(X, LOWER, UPPER) ((X) >= (LOWER) && (X) < (UPPER)) | |
156 | ||
157 | \f | |
3f332ef3 | 158 | /* Fringe bitmaps. */ |
06a2c219 | 159 | |
3f332ef3 | 160 | enum fringe_bitmap_type |
06a2c219 | 161 | { |
3f332ef3 | 162 | NO_FRINGE_BITMAP, |
06a2c219 GM |
163 | LEFT_TRUNCATION_BITMAP, |
164 | RIGHT_TRUNCATION_BITMAP, | |
165 | OVERLAY_ARROW_BITMAP, | |
166 | CONTINUED_LINE_BITMAP, | |
167 | CONTINUATION_LINE_BITMAP, | |
168 | ZV_LINE_BITMAP | |
169 | }; | |
170 | ||
171 | /* Bitmap drawn to indicate lines not displaying text if | |
172 | `indicate-empty-lines' is non-nil. */ | |
173 | ||
174 | #define zv_width 8 | |
976b73d7 KS |
175 | #define zv_height 72 |
176 | #define zv_period 3 | |
06a2c219 | 177 | static unsigned char zv_bits[] = { |
976b73d7 KS |
178 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, |
179 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, | |
180 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, | |
181 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, | |
182 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, | |
183 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, | |
184 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, | |
185 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00}; | |
06a2c219 GM |
186 | |
187 | /* An arrow like this: `<-'. */ | |
188 | ||
189 | #define left_width 8 | |
190 | #define left_height 8 | |
191 | static unsigned char left_bits[] = { | |
192 | 0x18, 0x0c, 0x06, 0x3f, 0x3f, 0x06, 0x0c, 0x18}; | |
193 | ||
110859fc GM |
194 | /* Right truncation arrow bitmap `->'. */ |
195 | ||
196 | #define right_width 8 | |
197 | #define right_height 8 | |
198 | static unsigned char right_bits[] = { | |
199 | 0x18, 0x30, 0x60, 0xfc, 0xfc, 0x60, 0x30, 0x18}; | |
200 | ||
06a2c219 GM |
201 | /* Marker for continued lines. */ |
202 | ||
203 | #define continued_width 8 | |
204 | #define continued_height 8 | |
205 | static unsigned char continued_bits[] = { | |
110859fc GM |
206 | 0x3c, 0x7c, 0xc0, 0xe4, 0xfc, 0x7c, 0x3c, 0x7c}; |
207 | ||
208 | /* Marker for continuation lines. */ | |
06a2c219 GM |
209 | |
210 | #define continuation_width 8 | |
211 | #define continuation_height 8 | |
212 | static unsigned char continuation_bits[] = { | |
110859fc | 213 | 0x3c, 0x3e, 0x03, 0x27, 0x3f, 0x3e, 0x3c, 0x3e}; |
06a2c219 | 214 | |
110859fc | 215 | /* Overlay arrow bitmap. */ |
06a2c219 | 216 | |
110859fc GM |
217 | #if 0 |
218 | /* A bomb. */ | |
06a2c219 GM |
219 | #define ov_width 8 |
220 | #define ov_height 8 | |
221 | static unsigned char ov_bits[] = { | |
222 | 0x30, 0x08, 0x3c, 0x7e, 0x7a, 0x7a, 0x62, 0x3c}; | |
06a2c219 | 223 | #else |
110859fc | 224 | /* A triangular arrow. */ |
06a2c219 GM |
225 | #define ov_width 8 |
226 | #define ov_height 8 | |
227 | static unsigned char ov_bits[] = { | |
110859fc GM |
228 | 0x03, 0x0f, 0x1f, 0x3f, 0x3f, 0x1f, 0x0f, 0x03}; |
229 | ||
e4b68333 | 230 | #endif |
06a2c219 GM |
231 | |
232 | extern Lisp_Object Qhelp_echo; | |
233 | ||
69388238 | 234 | \f |
5bf04520 | 235 | /* Non-nil means Emacs uses toolkit scroll bars. */ |
06a2c219 | 236 | |
5bf04520 | 237 | Lisp_Object Vx_toolkit_scroll_bars; |
06a2c219 GM |
238 | |
239 | /* If a string, XTread_socket generates an event to display that string. | |
240 | (The display is done in read_char.) */ | |
7d0393cf | 241 | |
06a2c219 | 242 | static Lisp_Object help_echo; |
7cea38bc | 243 | static Lisp_Object help_echo_window; |
be010514 GM |
244 | static Lisp_Object help_echo_object; |
245 | static int help_echo_pos; | |
06a2c219 GM |
246 | |
247 | /* Temporary variable for XTread_socket. */ | |
248 | ||
249 | static Lisp_Object previous_help_echo; | |
250 | ||
251 | /* Non-zero means that a HELP_EVENT has been generated since Emacs | |
252 | start. */ | |
253 | ||
254 | static int any_help_event_p; | |
255 | ||
503e457e PJ |
256 | /* Non-zero means autoselect window with the mouse cursor. */ |
257 | ||
ee8ceff8 | 258 | int mouse_autoselect_window; |
5bc62483 | 259 | |
ee8ceff8 | 260 | /* Last window where we saw the mouse. Used by mouse-autoselect-window. */ |
5bc62483 | 261 | static Lisp_Object last_window; |
503e457e | 262 | |
06a2c219 GM |
263 | /* Non-zero means draw block and hollow cursor as wide as the glyph |
264 | under it. For example, if a block cursor is over a tab, it will be | |
265 | drawn as wide as that tab on the display. */ | |
266 | ||
267 | int x_stretch_cursor_p; | |
268 | ||
a72d5ce5 GM |
269 | /* Non-zero means make use of UNDERLINE_POSITION font properties. */ |
270 | ||
271 | int x_use_underline_position_properties; | |
272 | ||
06a2c219 GM |
273 | /* This is a chain of structures for all the X displays currently in |
274 | use. */ | |
275 | ||
334208b7 | 276 | struct x_display_info *x_display_list; |
dc6f92b8 | 277 | |
06a2c219 GM |
278 | /* This is a list of cons cells, each of the form (NAME |
279 | . FONT-LIST-CACHE), one for each element of x_display_list and in | |
280 | the same order. NAME is the name of the frame. FONT-LIST-CACHE | |
281 | records previous values returned by x-list-fonts. */ | |
282 | ||
7a13e894 | 283 | Lisp_Object x_display_name_list; |
f451eb13 | 284 | |
987d2ad1 | 285 | /* Frame being updated by update_frame. This is declared in term.c. |
06a2c219 GM |
286 | This is set by update_begin and looked at by all the XT functions. |
287 | It is zero while not inside an update. In that case, the XT | |
288 | functions assume that `selected_frame' is the frame to apply to. */ | |
289 | ||
d0386f2a | 290 | extern struct frame *updating_frame; |
dc6f92b8 | 291 | |
06a2c219 GM |
292 | /* This is a frame waiting to be auto-raised, within XTread_socket. */ |
293 | ||
0134a210 RS |
294 | struct frame *pending_autoraise_frame; |
295 | ||
7f9c7f94 RS |
296 | #ifdef USE_X_TOOLKIT |
297 | /* The application context for Xt use. */ | |
298 | XtAppContext Xt_app_con; | |
06a2c219 GM |
299 | static String Xt_default_resources[] = {0}; |
300 | #endif /* USE_X_TOOLKIT */ | |
665881ad | 301 | |
7d0393cf | 302 | /* Nominal cursor position -- where to draw output. |
06a2c219 GM |
303 | HPOS and VPOS are window relative glyph matrix coordinates. |
304 | X and Y are window relative pixel coordinates. */ | |
dc6f92b8 | 305 | |
06a2c219 | 306 | struct cursor_pos output_cursor; |
dc6f92b8 | 307 | |
bffcfca9 GM |
308 | /* Non-zero means user is interacting with a toolkit scroll bar. */ |
309 | ||
310 | static int toolkit_scroll_bar_interaction; | |
dc6f92b8 | 311 | |
69388238 RS |
312 | /* Mouse movement. |
313 | ||
06a2c219 | 314 | Formerly, we used PointerMotionHintMask (in standard_event_mask) |
f5bb65ec RS |
315 | so that we would have to call XQueryPointer after each MotionNotify |
316 | event to ask for another such event. However, this made mouse tracking | |
317 | slow, and there was a bug that made it eventually stop. | |
318 | ||
319 | Simply asking for MotionNotify all the time seems to work better. | |
320 | ||
69388238 RS |
321 | In order to avoid asking for motion events and then throwing most |
322 | of them away or busy-polling the server for mouse positions, we ask | |
323 | the server for pointer motion hints. This means that we get only | |
324 | one event per group of mouse movements. "Groups" are delimited by | |
325 | other kinds of events (focus changes and button clicks, for | |
326 | example), or by XQueryPointer calls; when one of these happens, we | |
327 | get another MotionNotify event the next time the mouse moves. This | |
328 | is at least as efficient as getting motion events when mouse | |
329 | tracking is on, and I suspect only negligibly worse when tracking | |
f5bb65ec | 330 | is off. */ |
69388238 RS |
331 | |
332 | /* Where the mouse was last time we reported a mouse event. */ | |
69388238 | 333 | |
06a2c219 GM |
334 | FRAME_PTR last_mouse_frame; |
335 | static XRectangle last_mouse_glyph; | |
2237cac9 RS |
336 | static Lisp_Object last_mouse_press_frame; |
337 | ||
69388238 RS |
338 | /* The scroll bar in which the last X motion event occurred. |
339 | ||
06a2c219 GM |
340 | If the last X motion event occurred in a scroll bar, we set this so |
341 | XTmouse_position can know whether to report a scroll bar motion or | |
69388238 RS |
342 | an ordinary motion. |
343 | ||
06a2c219 GM |
344 | If the last X motion event didn't occur in a scroll bar, we set |
345 | this to Qnil, to tell XTmouse_position to return an ordinary motion | |
346 | event. */ | |
347 | ||
69388238 RS |
348 | static Lisp_Object last_mouse_scroll_bar; |
349 | ||
69388238 RS |
350 | /* This is a hack. We would really prefer that XTmouse_position would |
351 | return the time associated with the position it returns, but there | |
06a2c219 | 352 | doesn't seem to be any way to wrest the time-stamp from the server |
69388238 RS |
353 | along with the position query. So, we just keep track of the time |
354 | of the last movement we received, and return that in hopes that | |
355 | it's somewhat accurate. */ | |
06a2c219 | 356 | |
69388238 RS |
357 | static Time last_mouse_movement_time; |
358 | ||
06a2c219 GM |
359 | /* Incremented by XTread_socket whenever it really tries to read |
360 | events. */ | |
361 | ||
c0a04927 RS |
362 | #ifdef __STDC__ |
363 | static int volatile input_signal_count; | |
364 | #else | |
365 | static int input_signal_count; | |
366 | #endif | |
367 | ||
7a13e894 | 368 | /* Used locally within XTread_socket. */ |
06a2c219 | 369 | |
7a13e894 | 370 | static int x_noop_count; |
dc6f92b8 | 371 | |
7a13e894 | 372 | /* Initial values of argv and argc. */ |
06a2c219 | 373 | |
7a13e894 RS |
374 | extern char **initial_argv; |
375 | extern int initial_argc; | |
dc6f92b8 | 376 | |
7a13e894 | 377 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
dc6f92b8 | 378 | |
06a2c219 | 379 | /* Tells if a window manager is present or not. */ |
7a13e894 RS |
380 | |
381 | extern Lisp_Object Vx_no_window_manager; | |
dc6f92b8 | 382 | |
c2df547c | 383 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 384 | |
dc6f92b8 JB |
385 | extern int errno; |
386 | ||
dfeccd2d | 387 | /* A mask of extra modifier bits to put into every keyboard char. */ |
06a2c219 | 388 | |
31ade731 | 389 | extern EMACS_INT extra_keyboard_modifiers; |
64bb1782 | 390 | |
98659da6 KG |
391 | /* The keysyms to use for the various modifiers. */ |
392 | ||
393 | Lisp_Object Vx_alt_keysym, Vx_hyper_keysym, Vx_meta_keysym, Vx_super_keysym; | |
394 | static Lisp_Object Qalt, Qhyper, Qmeta, Qsuper, Qmodifier_value; | |
395 | ||
59e755be | 396 | static Lisp_Object Qvendor_specific_keysyms; |
c997eae5 | 397 | static Lisp_Object Qlatin_1, Qutf_8; |
59e755be | 398 | |
952291d9 GM |
399 | extern XrmDatabase x_load_resources P_ ((Display *, char *, char *, char *)); |
400 | extern Lisp_Object x_icon_type P_ ((struct frame *)); | |
c32cdd9a | 401 | |
7a13e894 | 402 | |
06a2c219 GM |
403 | /* Enumeration for overriding/changing the face to use for drawing |
404 | glyphs in x_draw_glyphs. */ | |
405 | ||
406 | enum draw_glyphs_face | |
407 | { | |
408 | DRAW_NORMAL_TEXT, | |
409 | DRAW_INVERSE_VIDEO, | |
410 | DRAW_CURSOR, | |
411 | DRAW_MOUSE_FACE, | |
412 | DRAW_IMAGE_RAISED, | |
413 | DRAW_IMAGE_SUNKEN | |
414 | }; | |
415 | ||
b7f83f9e | 416 | static int cursor_in_mouse_face_p P_ ((struct window *)); |
fa262c07 | 417 | static int clear_mouse_face P_ ((struct x_display_info *)); |
651f03b6 | 418 | static int x_alloc_nearest_color_1 P_ ((Display *, Colormap, XColor *)); |
499b1844 | 419 | static void x_set_window_size_1 P_ ((struct frame *, int, int, int)); |
651f03b6 | 420 | static const XColor *x_color_cells P_ ((Display *, int *)); |
71b8321e | 421 | static void x_update_window_end P_ ((struct window *, int, int)); |
06a2c219 GM |
422 | static void frame_to_window_pixel_xy P_ ((struct window *, int *, int *)); |
423 | void x_delete_display P_ ((struct x_display_info *)); | |
424 | static unsigned int x_x_to_emacs_modifiers P_ ((struct x_display_info *, | |
425 | unsigned)); | |
426 | static int fast_find_position P_ ((struct window *, int, int *, int *, | |
7e376260 | 427 | int *, int *, Lisp_Object)); |
f9db2310 GM |
428 | static int fast_find_string_pos P_ ((struct window *, int, Lisp_Object, |
429 | int *, int *, int *, int *, int)); | |
06a2c219 GM |
430 | static void set_output_cursor P_ ((struct cursor_pos *)); |
431 | static struct glyph *x_y_to_hpos_vpos P_ ((struct window *, int, int, | |
f9db2310 | 432 | int *, int *, int *, int)); |
b436feb6 GM |
433 | static void note_mode_line_or_margin_highlight P_ ((struct window *, int, |
434 | int, int)); | |
06a2c219 | 435 | static void note_mouse_highlight P_ ((struct frame *, int, int)); |
9ea173e8 GM |
436 | static void note_tool_bar_highlight P_ ((struct frame *f, int, int)); |
437 | static void x_handle_tool_bar_click P_ ((struct frame *, XButtonEvent *)); | |
06a2c219 GM |
438 | static void show_mouse_face P_ ((struct x_display_info *, |
439 | enum draw_glyphs_face)); | |
440 | static int x_io_error_quitter P_ ((Display *)); | |
441 | int x_catch_errors P_ ((Display *)); | |
442 | void x_uncatch_errors P_ ((Display *, int)); | |
443 | void x_lower_frame P_ ((struct frame *)); | |
444 | void x_scroll_bar_clear P_ ((struct frame *)); | |
445 | int x_had_errors_p P_ ((Display *)); | |
446 | void x_wm_set_size_hint P_ ((struct frame *, long, int)); | |
447 | void x_raise_frame P_ ((struct frame *)); | |
448 | void x_set_window_size P_ ((struct frame *, int, int, int)); | |
449 | void x_wm_set_window_state P_ ((struct frame *, int)); | |
450 | void x_wm_set_icon_pixmap P_ ((struct frame *, int)); | |
451 | void x_initialize P_ ((void)); | |
452 | static void x_font_min_bounds P_ ((XFontStruct *, int *, int *)); | |
453 | static int x_compute_min_glyph_bounds P_ ((struct frame *)); | |
454 | static void x_draw_phys_cursor_glyph P_ ((struct window *, | |
455 | struct glyph_row *, | |
456 | enum draw_glyphs_face)); | |
457 | static void x_update_end P_ ((struct frame *)); | |
458 | static void XTframe_up_to_date P_ ((struct frame *)); | |
06a2c219 GM |
459 | static void XTset_terminal_modes P_ ((void)); |
460 | static void XTreset_terminal_modes P_ ((void)); | |
461 | static void XTcursor_to P_ ((int, int, int, int)); | |
462 | static void x_write_glyphs P_ ((struct glyph *, int)); | |
463 | static void x_clear_end_of_line P_ ((int)); | |
464 | static void x_clear_frame P_ ((void)); | |
465 | static void x_clear_cursor P_ ((struct window *)); | |
466 | static void frame_highlight P_ ((struct frame *)); | |
467 | static void frame_unhighlight P_ ((struct frame *)); | |
468 | static void x_new_focus_frame P_ ((struct x_display_info *, struct frame *)); | |
cab34f50 JD |
469 | static int x_focus_changed P_ ((int, |
470 | int, | |
471 | struct x_display_info *, | |
472 | struct frame *, | |
473 | struct input_event *, | |
474 | int)); | |
475 | static int x_detect_focus_change P_ ((struct x_display_info *, | |
476 | XEvent *, | |
477 | struct input_event *, | |
478 | int)); | |
06a2c219 GM |
479 | static void XTframe_rehighlight P_ ((struct frame *)); |
480 | static void x_frame_rehighlight P_ ((struct x_display_info *)); | |
481 | static void x_draw_hollow_cursor P_ ((struct window *, struct glyph_row *)); | |
65c26775 EZ |
482 | static void x_draw_bar_cursor P_ ((struct window *, struct glyph_row *, int, |
483 | enum text_cursor_kinds)); | |
06a2c219 GM |
484 | static int x_intersect_rectangles P_ ((XRectangle *, XRectangle *, |
485 | XRectangle *)); | |
486 | static void expose_frame P_ ((struct frame *, int, int, int, int)); | |
82f053ab | 487 | static int expose_window_tree P_ ((struct window *, XRectangle *)); |
4f53f3b8 RS |
488 | static void expose_overlaps P_ ((struct window *, struct glyph_row *, |
489 | struct glyph_row *)); | |
a39202f6 | 490 | static int expose_window P_ ((struct window *, XRectangle *)); |
06a2c219 GM |
491 | static void expose_area P_ ((struct window *, struct glyph_row *, |
492 | XRectangle *, enum glyph_row_area)); | |
82f053ab | 493 | static int expose_line P_ ((struct window *, struct glyph_row *, |
06a2c219 GM |
494 | XRectangle *)); |
495 | static void x_update_cursor_in_window_tree P_ ((struct window *, int)); | |
496 | static void x_update_window_cursor P_ ((struct window *, int)); | |
497 | static void x_erase_phys_cursor P_ ((struct window *)); | |
498 | void x_display_and_set_cursor P_ ((struct window *, int, int, int, int, int)); | |
7d0393cf | 499 | static void x_draw_fringe_bitmap P_ ((struct window *, struct glyph_row *, |
976b73d7 | 500 | enum fringe_bitmap_type, int left_p)); |
06a2c219 GM |
501 | |
502 | static void x_clip_to_row P_ ((struct window *, struct glyph_row *, | |
503 | GC, int)); | |
504 | static int x_phys_cursor_in_rect_p P_ ((struct window *, XRectangle *)); | |
3f332ef3 | 505 | static void x_draw_row_fringe_bitmaps P_ ((struct window *, struct glyph_row *)); |
60626bab GM |
506 | static void notice_overwritten_cursor P_ ((struct window *, enum glyph_row_area, |
507 | int, int, int, int)); | |
06a2c219 | 508 | static void x_flush P_ ((struct frame *f)); |
952291d9 GM |
509 | static void x_update_begin P_ ((struct frame *)); |
510 | static void x_update_window_begin P_ ((struct window *)); | |
511 | static void x_draw_vertical_border P_ ((struct window *)); | |
512 | static void x_after_update_window_line P_ ((struct glyph_row *)); | |
513 | static INLINE void take_vertical_position_into_account P_ ((struct it *)); | |
514 | static void x_produce_stretch_glyph P_ ((struct it *)); | |
b52b65bd GM |
515 | static struct scroll_bar *x_window_to_scroll_bar P_ ((Window)); |
516 | static void x_scroll_bar_report_motion P_ ((struct frame **, Lisp_Object *, | |
517 | enum scroll_bar_part *, | |
518 | Lisp_Object *, Lisp_Object *, | |
519 | unsigned long *)); | |
d0fa3e56 EZ |
520 | static void x_check_fullscreen P_ ((struct frame *)); |
521 | static void x_check_fullscreen_move P_ ((struct frame *)); | |
06a2c219 GM |
522 | |
523 | /* Flush display of frame F, or of all frames if F is null. */ | |
524 | ||
525 | static void | |
526 | x_flush (f) | |
527 | struct frame *f; | |
528 | { | |
529 | BLOCK_INPUT; | |
530 | if (f == NULL) | |
531 | { | |
532 | Lisp_Object rest, frame; | |
533 | FOR_EACH_FRAME (rest, frame) | |
534 | x_flush (XFRAME (frame)); | |
535 | } | |
536 | else if (FRAME_X_P (f)) | |
537 | XFlush (FRAME_X_DISPLAY (f)); | |
538 | UNBLOCK_INPUT; | |
539 | } | |
540 | ||
dc6f92b8 | 541 | |
06a2c219 GM |
542 | /* Remove calls to XFlush by defining XFlush to an empty replacement. |
543 | Calls to XFlush should be unnecessary because the X output buffer | |
544 | is flushed automatically as needed by calls to XPending, | |
545 | XNextEvent, or XWindowEvent according to the XFlush man page. | |
546 | XTread_socket calls XPending. Removing XFlush improves | |
547 | performance. */ | |
548 | ||
7d0393cf | 549 | #define XFlush(DISPLAY) (void) 0 |
b8009dd1 | 550 | |
334208b7 | 551 | \f |
06a2c219 GM |
552 | /*********************************************************************** |
553 | Debugging | |
554 | ***********************************************************************/ | |
555 | ||
9382638d | 556 | #if 0 |
06a2c219 GM |
557 | |
558 | /* This is a function useful for recording debugging information about | |
559 | the sequence of occurrences in this file. */ | |
9382638d | 560 | |
7d0393cf | 561 | struct record |
9382638d KH |
562 | { |
563 | char *locus; | |
564 | int type; | |
565 | }; | |
566 | ||
567 | struct record event_record[100]; | |
568 | ||
569 | int event_record_index; | |
570 | ||
571 | record_event (locus, type) | |
572 | char *locus; | |
573 | int type; | |
574 | { | |
575 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
576 | event_record_index = 0; | |
577 | ||
578 | event_record[event_record_index].locus = locus; | |
579 | event_record[event_record_index].type = type; | |
580 | event_record_index++; | |
581 | } | |
582 | ||
583 | #endif /* 0 */ | |
06a2c219 GM |
584 | |
585 | ||
9382638d | 586 | \f |
334208b7 RS |
587 | /* Return the struct x_display_info corresponding to DPY. */ |
588 | ||
589 | struct x_display_info * | |
590 | x_display_info_for_display (dpy) | |
591 | Display *dpy; | |
592 | { | |
593 | struct x_display_info *dpyinfo; | |
594 | ||
595 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
596 | if (dpyinfo->display == dpy) | |
597 | return dpyinfo; | |
16bd92ea | 598 | |
334208b7 RS |
599 | return 0; |
600 | } | |
f451eb13 | 601 | |
06a2c219 GM |
602 | |
603 | \f | |
604 | /*********************************************************************** | |
605 | Starting and ending an update | |
606 | ***********************************************************************/ | |
7d0393cf | 607 | |
06a2c219 GM |
608 | /* Start an update of frame F. This function is installed as a hook |
609 | for update_begin, i.e. it is called when update_begin is called. | |
610 | This function is called prior to calls to x_update_window_begin for | |
611 | each window being updated. Currently, there is nothing to do here | |
612 | because all interesting stuff is done on a window basis. */ | |
dc6f92b8 | 613 | |
dfcf069d | 614 | static void |
06a2c219 | 615 | x_update_begin (f) |
f676886a | 616 | struct frame *f; |
58769bee | 617 | { |
06a2c219 GM |
618 | /* Nothing to do. */ |
619 | } | |
dc6f92b8 | 620 | |
dc6f92b8 | 621 | |
06a2c219 GM |
622 | /* Start update of window W. Set the global variable updated_window |
623 | to the window being updated and set output_cursor to the cursor | |
624 | position of W. */ | |
dc6f92b8 | 625 | |
06a2c219 GM |
626 | static void |
627 | x_update_window_begin (w) | |
628 | struct window *w; | |
629 | { | |
630 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
631 | struct x_display_info *display_info = FRAME_X_DISPLAY_INFO (f); | |
7d0393cf | 632 | |
06a2c219 GM |
633 | updated_window = w; |
634 | set_output_cursor (&w->cursor); | |
b8009dd1 | 635 | |
06a2c219 | 636 | BLOCK_INPUT; |
d1bc4182 | 637 | |
06a2c219 | 638 | if (f == display_info->mouse_face_mouse_frame) |
b8009dd1 | 639 | { |
514e4681 | 640 | /* Don't do highlighting for mouse motion during the update. */ |
06a2c219 | 641 | display_info->mouse_face_defer = 1; |
37c2c98b | 642 | |
06a2c219 GM |
643 | /* If F needs to be redrawn, simply forget about any prior mouse |
644 | highlighting. */ | |
9f67f20b | 645 | if (FRAME_GARBAGED_P (f)) |
06a2c219 GM |
646 | display_info->mouse_face_window = Qnil; |
647 | ||
64f26cf5 GM |
648 | #if 0 /* Rows in a current matrix containing glyphs in mouse-face have |
649 | their mouse_face_p flag set, which means that they are always | |
650 | unequal to rows in a desired matrix which never have that | |
651 | flag set. So, rows containing mouse-face glyphs are never | |
652 | scrolled, and we don't have to switch the mouse highlight off | |
653 | here to prevent it from being scrolled. */ | |
7d0393cf | 654 | |
06a2c219 GM |
655 | /* Can we tell that this update does not affect the window |
656 | where the mouse highlight is? If so, no need to turn off. | |
657 | Likewise, don't do anything if the frame is garbaged; | |
658 | in that case, the frame's current matrix that we would use | |
659 | is all wrong, and we will redisplay that line anyway. */ | |
660 | if (!NILP (display_info->mouse_face_window) | |
661 | && w == XWINDOW (display_info->mouse_face_window)) | |
514e4681 | 662 | { |
06a2c219 | 663 | int i; |
514e4681 | 664 | |
06a2c219 GM |
665 | for (i = 0; i < w->desired_matrix->nrows; ++i) |
666 | if (MATRIX_ROW_ENABLED_P (w->desired_matrix, i)) | |
514e4681 RS |
667 | break; |
668 | ||
06a2c219 GM |
669 | if (i < w->desired_matrix->nrows) |
670 | clear_mouse_face (display_info); | |
514e4681 | 671 | } |
64f26cf5 | 672 | #endif /* 0 */ |
b8009dd1 | 673 | } |
6ccf47d1 | 674 | |
dc6f92b8 JB |
675 | UNBLOCK_INPUT; |
676 | } | |
677 | ||
06a2c219 GM |
678 | |
679 | /* Draw a vertical window border to the right of window W if W doesn't | |
680 | have vertical scroll bars. */ | |
681 | ||
dfcf069d | 682 | static void |
06a2c219 GM |
683 | x_draw_vertical_border (w) |
684 | struct window *w; | |
58769bee | 685 | { |
06a2c219 | 686 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
7d0393cf | 687 | |
06a2c219 GM |
688 | /* Redraw borders between horizontally adjacent windows. Don't |
689 | do it for frames with vertical scroll bars because either the | |
690 | right scroll bar of a window, or the left scroll bar of its | |
691 | neighbor will suffice as a border. */ | |
692 | if (!WINDOW_RIGHTMOST_P (w) | |
693 | && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
694 | { | |
695 | int x0, x1, y0, y1; | |
dc6f92b8 | 696 | |
06a2c219 | 697 | window_box_edges (w, -1, &x0, &y0, &x1, &y1); |
3f332ef3 | 698 | x1 += FRAME_X_RIGHT_FRINGE_WIDTH (f); |
06a2c219 | 699 | y1 -= 1; |
7d0393cf JB |
700 | |
701 | XDrawLine (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
06a2c219 GM |
702 | f->output_data.x->normal_gc, x1, y0, x1, y1); |
703 | } | |
704 | } | |
7d0393cf JB |
705 | |
706 | ||
71b8321e GM |
707 | /* End update of window W (which is equal to updated_window). |
708 | ||
709 | Draw vertical borders between horizontally adjacent windows, and | |
710 | display W's cursor if CURSOR_ON_P is non-zero. | |
711 | ||
712 | MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing | |
713 | glyphs in mouse-face were overwritten. In that case we have to | |
714 | make sure that the mouse-highlight is properly redrawn. | |
715 | ||
716 | W may be a menu bar pseudo-window in case we don't have X toolkit | |
717 | support. Such windows don't have a cursor, so don't display it | |
718 | here. */ | |
06a2c219 GM |
719 | |
720 | static void | |
71b8321e | 721 | x_update_window_end (w, cursor_on_p, mouse_face_overwritten_p) |
06a2c219 | 722 | struct window *w; |
71b8321e | 723 | int cursor_on_p, mouse_face_overwritten_p; |
06a2c219 | 724 | { |
140330de | 725 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (XFRAME (w->frame)); |
7d0393cf | 726 | |
06a2c219 GM |
727 | if (!w->pseudo_window_p) |
728 | { | |
729 | BLOCK_INPUT; | |
71b8321e | 730 | |
06a2c219 GM |
731 | if (cursor_on_p) |
732 | x_display_and_set_cursor (w, 1, output_cursor.hpos, | |
733 | output_cursor.vpos, | |
734 | output_cursor.x, output_cursor.y); | |
7d0393cf | 735 | |
06a2c219 GM |
736 | x_draw_vertical_border (w); |
737 | UNBLOCK_INPUT; | |
738 | } | |
7d0393cf | 739 | |
140330de GM |
740 | /* If a row with mouse-face was overwritten, arrange for |
741 | XTframe_up_to_date to redisplay the mouse highlight. */ | |
742 | if (mouse_face_overwritten_p) | |
743 | { | |
744 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
745 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
746 | dpyinfo->mouse_face_window = Qnil; | |
747 | } | |
7d0393cf | 748 | |
06a2c219 GM |
749 | updated_window = NULL; |
750 | } | |
dc6f92b8 | 751 | |
dc6f92b8 | 752 | |
06a2c219 GM |
753 | /* End update of frame F. This function is installed as a hook in |
754 | update_end. */ | |
755 | ||
756 | static void | |
757 | x_update_end (f) | |
758 | struct frame *f; | |
759 | { | |
760 | /* Mouse highlight may be displayed again. */ | |
aa8bff2e | 761 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0; |
b8009dd1 | 762 | |
06a2c219 | 763 | BLOCK_INPUT; |
334208b7 | 764 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
765 | UNBLOCK_INPUT; |
766 | } | |
b8009dd1 | 767 | |
06a2c219 GM |
768 | |
769 | /* This function is called from various places in xdisp.c whenever a | |
770 | complete update has been performed. The global variable | |
771 | updated_window is not available here. */ | |
b8009dd1 | 772 | |
dfcf069d | 773 | static void |
b8009dd1 | 774 | XTframe_up_to_date (f) |
06a2c219 | 775 | struct frame *f; |
b8009dd1 | 776 | { |
06a2c219 | 777 | if (FRAME_X_P (f)) |
514e4681 | 778 | { |
06a2c219 | 779 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
71b8321e | 780 | |
06a2c219 GM |
781 | if (dpyinfo->mouse_face_deferred_gc |
782 | || f == dpyinfo->mouse_face_mouse_frame) | |
783 | { | |
784 | BLOCK_INPUT; | |
785 | if (dpyinfo->mouse_face_mouse_frame) | |
786 | note_mouse_highlight (dpyinfo->mouse_face_mouse_frame, | |
787 | dpyinfo->mouse_face_mouse_x, | |
788 | dpyinfo->mouse_face_mouse_y); | |
789 | dpyinfo->mouse_face_deferred_gc = 0; | |
790 | UNBLOCK_INPUT; | |
791 | } | |
514e4681 | 792 | } |
b8009dd1 | 793 | } |
06a2c219 GM |
794 | |
795 | ||
796 | /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay | |
3f332ef3 | 797 | arrow bitmaps, or clear the fringes if no bitmaps are required |
06a2c219 GM |
798 | before DESIRED_ROW is made current. The window being updated is |
799 | found in updated_window. This function It is called from | |
800 | update_window_line only if it is known that there are differences | |
801 | between bitmaps to be drawn between current row and DESIRED_ROW. */ | |
802 | ||
803 | static void | |
804 | x_after_update_window_line (desired_row) | |
805 | struct glyph_row *desired_row; | |
806 | { | |
807 | struct window *w = updated_window; | |
ef253080 | 808 | struct frame *f; |
259cf6bc | 809 | int width, height; |
7d0393cf | 810 | |
06a2c219 | 811 | xassert (w); |
7d0393cf | 812 | |
06a2c219 GM |
813 | if (!desired_row->mode_line_p && !w->pseudo_window_p) |
814 | { | |
815 | BLOCK_INPUT; | |
3f332ef3 | 816 | x_draw_row_fringe_bitmaps (w, desired_row); |
ef253080 GM |
817 | UNBLOCK_INPUT; |
818 | } | |
7d0393cf | 819 | |
ef253080 GM |
820 | /* When a window has disappeared, make sure that no rest of |
821 | full-width rows stays visible in the internal border. Could | |
822 | check here if updated_window is the leftmost/rightmost window, | |
823 | but I guess it's not worth doing since vertically split windows | |
824 | are almost never used, internal border is rarely set, and the | |
825 | overhead is very small. */ | |
826 | if (windows_or_buffers_changed | |
827 | && desired_row->full_width_p | |
828 | && (f = XFRAME (w->frame), | |
829 | width = FRAME_INTERNAL_BORDER_WIDTH (f), | |
259cf6bc GM |
830 | width != 0) |
831 | && (height = desired_row->visible_height, | |
832 | height > 0)) | |
ef253080 | 833 | { |
ef253080 | 834 | int y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, desired_row->y)); |
06a2c219 | 835 | |
ef253080 GM |
836 | /* Internal border is drawn below the tool bar. */ |
837 | if (WINDOWP (f->tool_bar_window) | |
838 | && w == XWINDOW (f->tool_bar_window)) | |
839 | y -= width; | |
7d0393cf | 840 | |
ef253080 GM |
841 | BLOCK_INPUT; |
842 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
843 | 0, y, width, height, False); | |
844 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
845 | f->output_data.x->pixel_width - width, | |
846 | y, width, height, False); | |
06a2c219 GM |
847 | UNBLOCK_INPUT; |
848 | } | |
849 | } | |
850 | ||
851 | ||
3f332ef3 | 852 | /* Draw the bitmap WHICH in one of the left or right fringes of |
06a2c219 GM |
853 | window W. ROW is the glyph row for which to display the bitmap; it |
854 | determines the vertical position at which the bitmap has to be | |
855 | drawn. */ | |
856 | ||
857 | static void | |
976b73d7 | 858 | x_draw_fringe_bitmap (w, row, which, left_p) |
06a2c219 GM |
859 | struct window *w; |
860 | struct glyph_row *row; | |
3f332ef3 | 861 | enum fringe_bitmap_type which; |
976b73d7 | 862 | int left_p; |
06a2c219 GM |
863 | { |
864 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
865 | Display *display = FRAME_X_DISPLAY (f); | |
866 | Window window = FRAME_X_WINDOW (f); | |
867 | int x, y, wd, h, dy; | |
976b73d7 | 868 | int b1, b2; |
b436feb6 | 869 | unsigned char *bits = NULL; |
06a2c219 GM |
870 | Pixmap pixmap; |
871 | GC gc = f->output_data.x->normal_gc; | |
872 | struct face *face; | |
873 | int depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); | |
874 | ||
875 | /* Must clip because of partially visible lines. */ | |
876 | x_clip_to_row (w, row, gc, 1); | |
877 | ||
976b73d7 KS |
878 | /* Convert row to frame coordinates. */ |
879 | y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
880 | ||
06a2c219 GM |
881 | switch (which) |
882 | { | |
976b73d7 KS |
883 | case NO_FRINGE_BITMAP: |
884 | wd = 0; | |
885 | h = 0; | |
886 | break; | |
887 | ||
06a2c219 GM |
888 | case LEFT_TRUNCATION_BITMAP: |
889 | wd = left_width; | |
890 | h = left_height; | |
891 | bits = left_bits; | |
06a2c219 | 892 | break; |
7d0393cf | 893 | |
06a2c219 | 894 | case OVERLAY_ARROW_BITMAP: |
976b73d7 KS |
895 | wd = ov_width; |
896 | h = ov_height; | |
06a2c219 | 897 | bits = ov_bits; |
06a2c219 | 898 | break; |
7d0393cf | 899 | |
06a2c219 GM |
900 | case RIGHT_TRUNCATION_BITMAP: |
901 | wd = right_width; | |
902 | h = right_height; | |
903 | bits = right_bits; | |
06a2c219 GM |
904 | break; |
905 | ||
906 | case CONTINUED_LINE_BITMAP: | |
976b73d7 KS |
907 | wd = continued_width; |
908 | h = continued_height; | |
06a2c219 | 909 | bits = continued_bits; |
06a2c219 | 910 | break; |
7d0393cf | 911 | |
06a2c219 GM |
912 | case CONTINUATION_LINE_BITMAP: |
913 | wd = continuation_width; | |
914 | h = continuation_height; | |
915 | bits = continuation_bits; | |
06a2c219 GM |
916 | break; |
917 | ||
918 | case ZV_LINE_BITMAP: | |
919 | wd = zv_width; | |
976b73d7 KS |
920 | h = zv_height - (y % zv_period); |
921 | bits = zv_bits + (y % zv_period); | |
06a2c219 GM |
922 | break; |
923 | ||
924 | default: | |
925 | abort (); | |
926 | } | |
927 | ||
976b73d7 KS |
928 | /* Clip bitmap if too high. */ |
929 | if (h > row->height) | |
930 | h = row->height; | |
931 | ||
932 | /* Set dy to the offset in the row to start drawing the bitmap. */ | |
06a2c219 GM |
933 | dy = (row->height - h) / 2; |
934 | ||
976b73d7 KS |
935 | face = FACE_FROM_ID (f, FRINGE_FACE_ID); |
936 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
937 | ||
938 | /* Clear left fringe if no bitmap to draw or if bitmap doesn't fill | |
939 | the fringe. */ | |
dbdc9702 | 940 | b1 = b2 = -1; |
976b73d7 KS |
941 | if (left_p) |
942 | { | |
943 | if (wd > FRAME_X_LEFT_FRINGE_WIDTH (f)) | |
944 | wd = FRAME_X_LEFT_FRINGE_WIDTH (f); | |
945 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) | |
946 | - wd | |
947 | - (FRAME_X_LEFT_FRINGE_WIDTH (f) - wd) / 2); | |
948 | if (wd < FRAME_X_LEFT_FRINGE_WIDTH (f) || row->height > h) | |
949 | { | |
950 | /* If W has a vertical border to its left, don't draw over it. */ | |
951 | int border = ((XFASTINT (w->left) > 0 | |
952 | && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
953 | ? 1 : 0); | |
954 | b1 = (window_box_left (w, -1) | |
955 | - FRAME_X_LEFT_FRINGE_WIDTH (f) | |
956 | + border); | |
957 | b2 = (FRAME_X_LEFT_FRINGE_WIDTH (f) - border); | |
958 | } | |
959 | } | |
960 | else | |
961 | { | |
962 | if (wd > FRAME_X_RIGHT_FRINGE_WIDTH (f)) | |
963 | wd = FRAME_X_RIGHT_FRINGE_WIDTH (f); | |
964 | x = (window_box_right (w, -1) | |
965 | + (FRAME_X_RIGHT_FRINGE_WIDTH (f) - wd) / 2); | |
966 | /* Clear right fringe if no bitmap to draw of if bitmap doesn't fill | |
967 | the fringe. */ | |
968 | if (wd < FRAME_X_RIGHT_FRINGE_WIDTH (f) || row->height > h) | |
969 | { | |
970 | b1 = window_box_right (w, -1); | |
971 | b2 = FRAME_X_RIGHT_FRINGE_WIDTH (f); | |
972 | } | |
973 | } | |
974 | ||
975 | if (b1 >= 0) | |
976 | { | |
977 | int header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
7d0393cf | 978 | |
976b73d7 KS |
979 | /* In case the same realized face is used for fringes and |
980 | for something displayed in the text (e.g. face `region' on | |
981 | mono-displays, the fill style may have been changed to | |
982 | FillSolid in x_draw_glyph_string_background. */ | |
983 | if (face->stipple) | |
984 | XSetFillStyle (display, face->gc, FillOpaqueStippled); | |
985 | else | |
986 | XSetForeground (display, face->gc, face->background); | |
7d0393cf | 987 | |
976b73d7 KS |
988 | XFillRectangle (display, window, face->gc, |
989 | b1, | |
990 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, | |
991 | row->y)), | |
992 | b2, | |
993 | row->visible_height); | |
994 | if (!face->stipple) | |
995 | XSetForeground (display, face->gc, face->foreground); | |
996 | } | |
997 | ||
dbdc9702 GM |
998 | if (which != NO_FRINGE_BITMAP) |
999 | { | |
1000 | /* Draw the bitmap. I believe these small pixmaps can be cached | |
1001 | by the server. */ | |
1002 | pixmap = XCreatePixmapFromBitmapData (display, window, bits, wd, h, | |
1003 | face->foreground, | |
1004 | face->background, depth); | |
1005 | XCopyArea (display, pixmap, window, gc, 0, 0, wd, h, x, y + dy); | |
1006 | XFreePixmap (display, pixmap); | |
1007 | } | |
7d0393cf | 1008 | |
06a2c219 GM |
1009 | XSetClipMask (display, gc, None); |
1010 | } | |
1011 | ||
1012 | ||
3f332ef3 | 1013 | /* Draw fringe bitmaps for glyph row ROW on window W. Call this |
06a2c219 GM |
1014 | function with input blocked. */ |
1015 | ||
1016 | static void | |
3f332ef3 | 1017 | x_draw_row_fringe_bitmaps (w, row) |
06a2c219 GM |
1018 | struct window *w; |
1019 | struct glyph_row *row; | |
1020 | { | |
1021 | struct frame *f = XFRAME (w->frame); | |
3f332ef3 | 1022 | enum fringe_bitmap_type bitmap; |
06a2c219 GM |
1023 | |
1024 | xassert (interrupt_input_blocked); | |
1025 | ||
1026 | /* If row is completely invisible, because of vscrolling, we | |
1027 | don't have to draw anything. */ | |
1028 | if (row->visible_height <= 0) | |
1029 | return; | |
1030 | ||
976b73d7 KS |
1031 | if (FRAME_X_LEFT_FRINGE_WIDTH (f) != 0) |
1032 | { | |
1033 | /* Decide which bitmap to draw in the left fringe. */ | |
1034 | if (row->overlay_arrow_p) | |
1035 | bitmap = OVERLAY_ARROW_BITMAP; | |
1036 | else if (row->truncated_on_left_p) | |
1037 | bitmap = LEFT_TRUNCATION_BITMAP; | |
1038 | else if (MATRIX_ROW_CONTINUATION_LINE_P (row)) | |
1039 | bitmap = CONTINUATION_LINE_BITMAP; | |
1040 | else if (row->indicate_empty_line_p) | |
1041 | bitmap = ZV_LINE_BITMAP; | |
dcd08bfb | 1042 | else |
976b73d7 | 1043 | bitmap = NO_FRINGE_BITMAP; |
06a2c219 | 1044 | |
976b73d7 KS |
1045 | x_draw_fringe_bitmap (w, row, bitmap, 1); |
1046 | } | |
06a2c219 | 1047 | |
976b73d7 | 1048 | if (FRAME_X_RIGHT_FRINGE_WIDTH (f) != 0) |
06a2c219 | 1049 | { |
976b73d7 KS |
1050 | /* Decide which bitmap to draw in the right fringe. */ |
1051 | if (row->truncated_on_right_p) | |
1052 | bitmap = RIGHT_TRUNCATION_BITMAP; | |
1053 | else if (row->continued_p) | |
1054 | bitmap = CONTINUED_LINE_BITMAP; | |
1055 | else if (row->indicate_empty_line_p && FRAME_X_LEFT_FRINGE_WIDTH (f) == 0) | |
1056 | bitmap = ZV_LINE_BITMAP; | |
dcd08bfb | 1057 | else |
976b73d7 | 1058 | bitmap = NO_FRINGE_BITMAP; |
06a2c219 | 1059 | |
976b73d7 KS |
1060 | x_draw_fringe_bitmap (w, row, bitmap, 0); |
1061 | } | |
06a2c219 GM |
1062 | } |
1063 | ||
dc6f92b8 | 1064 | \f |
06a2c219 GM |
1065 | |
1066 | /* This is called when starting Emacs and when restarting after | |
1067 | suspend. When starting Emacs, no X window is mapped. And nothing | |
1068 | must be done to Emacs's own window if it is suspended (though that | |
1069 | rarely happens). */ | |
dc6f92b8 | 1070 | |
dfcf069d | 1071 | static void |
dc6f92b8 JB |
1072 | XTset_terminal_modes () |
1073 | { | |
1074 | } | |
1075 | ||
06a2c219 GM |
1076 | /* This is called when exiting or suspending Emacs. Exiting will make |
1077 | the X-windows go away, and suspending requires no action. */ | |
dc6f92b8 | 1078 | |
dfcf069d | 1079 | static void |
dc6f92b8 JB |
1080 | XTreset_terminal_modes () |
1081 | { | |
dc6f92b8 | 1082 | } |
06a2c219 GM |
1083 | |
1084 | ||
dc6f92b8 | 1085 | \f |
06a2c219 GM |
1086 | /*********************************************************************** |
1087 | Output Cursor | |
1088 | ***********************************************************************/ | |
1089 | ||
1090 | /* Set the global variable output_cursor to CURSOR. All cursor | |
1091 | positions are relative to updated_window. */ | |
dc6f92b8 | 1092 | |
dfcf069d | 1093 | static void |
06a2c219 GM |
1094 | set_output_cursor (cursor) |
1095 | struct cursor_pos *cursor; | |
dc6f92b8 | 1096 | { |
06a2c219 GM |
1097 | output_cursor.hpos = cursor->hpos; |
1098 | output_cursor.vpos = cursor->vpos; | |
1099 | output_cursor.x = cursor->x; | |
1100 | output_cursor.y = cursor->y; | |
1101 | } | |
1102 | ||
1103 | ||
1104 | /* Set a nominal cursor position. | |
dc6f92b8 | 1105 | |
06a2c219 GM |
1106 | HPOS and VPOS are column/row positions in a window glyph matrix. X |
1107 | and Y are window text area relative pixel positions. | |
7d0393cf | 1108 | |
06a2c219 GM |
1109 | If this is done during an update, updated_window will contain the |
1110 | window that is being updated and the position is the future output | |
1111 | cursor position for that window. If updated_window is null, use | |
1112 | selected_window and display the cursor at the given position. */ | |
1113 | ||
1114 | static void | |
1115 | XTcursor_to (vpos, hpos, y, x) | |
1116 | int vpos, hpos, y, x; | |
1117 | { | |
1118 | struct window *w; | |
1119 | ||
1120 | /* If updated_window is not set, work on selected_window. */ | |
1121 | if (updated_window) | |
1122 | w = updated_window; | |
1123 | else | |
1124 | w = XWINDOW (selected_window); | |
dbcb258a | 1125 | |
06a2c219 GM |
1126 | /* Set the output cursor. */ |
1127 | output_cursor.hpos = hpos; | |
1128 | output_cursor.vpos = vpos; | |
1129 | output_cursor.x = x; | |
1130 | output_cursor.y = y; | |
dc6f92b8 | 1131 | |
06a2c219 GM |
1132 | /* If not called as part of an update, really display the cursor. |
1133 | This will also set the cursor position of W. */ | |
1134 | if (updated_window == NULL) | |
dc6f92b8 JB |
1135 | { |
1136 | BLOCK_INPUT; | |
06a2c219 | 1137 | x_display_cursor (w, 1, hpos, vpos, x, y); |
b86bd3dd | 1138 | XFlush (FRAME_X_DISPLAY (SELECTED_FRAME ())); |
dc6f92b8 JB |
1139 | UNBLOCK_INPUT; |
1140 | } | |
1141 | } | |
dc43ef94 | 1142 | |
06a2c219 GM |
1143 | |
1144 | \f | |
1145 | /*********************************************************************** | |
1146 | Display Iterator | |
1147 | ***********************************************************************/ | |
1148 | ||
1149 | /* Function prototypes of this page. */ | |
1150 | ||
1151 | static struct face *x_get_glyph_face_and_encoding P_ ((struct frame *, | |
1152 | struct glyph *, | |
ee569018 KH |
1153 | XChar2b *, |
1154 | int *)); | |
06a2c219 | 1155 | static struct face *x_get_char_face_and_encoding P_ ((struct frame *, int, |
abfb6b46 GM |
1156 | int, XChar2b *, int, |
1157 | int)); | |
06a2c219 GM |
1158 | static XCharStruct *x_per_char_metric P_ ((XFontStruct *, XChar2b *)); |
1159 | static void x_encode_char P_ ((int, XChar2b *, struct font_info *)); | |
1160 | static void x_append_glyph P_ ((struct it *)); | |
b4192550 | 1161 | static void x_append_composite_glyph P_ ((struct it *)); |
06a2c219 GM |
1162 | static void x_append_stretch_glyph P_ ((struct it *it, Lisp_Object, |
1163 | int, int, double)); | |
1164 | static void x_produce_glyphs P_ ((struct it *)); | |
06a2c219 | 1165 | static void x_produce_image_glyph P_ ((struct it *it)); |
ee569018 KH |
1166 | |
1167 | ||
e2ef8ee6 GM |
1168 | /* Get metrics of character CHAR2B in FONT. Value is null if CHAR2B |
1169 | is not contained in the font. */ | |
dc43ef94 | 1170 | |
06a2c219 | 1171 | static INLINE XCharStruct * |
ee569018 | 1172 | x_per_char_metric (font, char2b) |
06a2c219 GM |
1173 | XFontStruct *font; |
1174 | XChar2b *char2b; | |
1175 | { | |
1176 | /* The result metric information. */ | |
1177 | XCharStruct *pcm = NULL; | |
dc6f92b8 | 1178 | |
06a2c219 | 1179 | xassert (font && char2b); |
dc6f92b8 | 1180 | |
06a2c219 | 1181 | if (font->per_char != NULL) |
dc6f92b8 | 1182 | { |
06a2c219 | 1183 | if (font->min_byte1 == 0 && font->max_byte1 == 0) |
dc43ef94 | 1184 | { |
06a2c219 GM |
1185 | /* min_char_or_byte2 specifies the linear character index |
1186 | corresponding to the first element of the per_char array, | |
1187 | max_char_or_byte2 is the index of the last character. A | |
1188 | character with non-zero CHAR2B->byte1 is not in the font. | |
1189 | A character with byte2 less than min_char_or_byte2 or | |
1190 | greater max_char_or_byte2 is not in the font. */ | |
1191 | if (char2b->byte1 == 0 | |
1192 | && char2b->byte2 >= font->min_char_or_byte2 | |
1193 | && char2b->byte2 <= font->max_char_or_byte2) | |
1194 | pcm = font->per_char + char2b->byte2 - font->min_char_or_byte2; | |
dc43ef94 | 1195 | } |
06a2c219 | 1196 | else |
dc6f92b8 | 1197 | { |
06a2c219 GM |
1198 | /* If either min_byte1 or max_byte1 are nonzero, both |
1199 | min_char_or_byte2 and max_char_or_byte2 are less than | |
1200 | 256, and the 2-byte character index values corresponding | |
1201 | to the per_char array element N (counting from 0) are: | |
1202 | ||
1203 | byte1 = N/D + min_byte1 | |
1204 | byte2 = N\D + min_char_or_byte2 | |
1205 | ||
1206 | where: | |
1207 | ||
1208 | D = max_char_or_byte2 - min_char_or_byte2 + 1 | |
1209 | / = integer division | |
1210 | \ = integer modulus */ | |
1211 | if (char2b->byte1 >= font->min_byte1 | |
1212 | && char2b->byte1 <= font->max_byte1 | |
1213 | && char2b->byte2 >= font->min_char_or_byte2 | |
1214 | && char2b->byte2 <= font->max_char_or_byte2) | |
1215 | { | |
1216 | pcm = (font->per_char | |
1217 | + ((font->max_char_or_byte2 - font->min_char_or_byte2 + 1) | |
1218 | * (char2b->byte1 - font->min_byte1)) | |
1219 | + (char2b->byte2 - font->min_char_or_byte2)); | |
1220 | } | |
dc6f92b8 | 1221 | } |
06a2c219 GM |
1222 | } |
1223 | else | |
1224 | { | |
1225 | /* If the per_char pointer is null, all glyphs between the first | |
1226 | and last character indexes inclusive have the same | |
1227 | information, as given by both min_bounds and max_bounds. */ | |
1228 | if (char2b->byte2 >= font->min_char_or_byte2 | |
1229 | && char2b->byte2 <= font->max_char_or_byte2) | |
1230 | pcm = &font->max_bounds; | |
1231 | } | |
dc6f92b8 | 1232 | |
ee569018 | 1233 | return ((pcm == NULL |
3e71d8f2 | 1234 | || (pcm->width == 0 && (pcm->rbearing - pcm->lbearing) == 0)) |
ee569018 | 1235 | ? NULL : pcm); |
06a2c219 | 1236 | } |
b73b6aaf | 1237 | |
57b03282 | 1238 | |
06a2c219 GM |
1239 | /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is |
1240 | the two-byte form of C. Encoding is returned in *CHAR2B. */ | |
dc43ef94 | 1241 | |
06a2c219 GM |
1242 | static INLINE void |
1243 | x_encode_char (c, char2b, font_info) | |
1244 | int c; | |
1245 | XChar2b *char2b; | |
1246 | struct font_info *font_info; | |
1247 | { | |
1248 | int charset = CHAR_CHARSET (c); | |
1249 | XFontStruct *font = font_info->font; | |
1250 | ||
1251 | /* FONT_INFO may define a scheme by which to encode byte1 and byte2. | |
1252 | This may be either a program in a special encoder language or a | |
1253 | fixed encoding. */ | |
1254 | if (font_info->font_encoder) | |
1255 | { | |
1256 | /* It's a program. */ | |
1257 | struct ccl_program *ccl = font_info->font_encoder; | |
1258 | ||
1259 | if (CHARSET_DIMENSION (charset) == 1) | |
1260 | { | |
1261 | ccl->reg[0] = charset; | |
1262 | ccl->reg[1] = char2b->byte2; | |
6e666629 | 1263 | ccl->reg[2] = -1; |
06a2c219 GM |
1264 | } |
1265 | else | |
1266 | { | |
1267 | ccl->reg[0] = charset; | |
1268 | ccl->reg[1] = char2b->byte1; | |
1269 | ccl->reg[2] = char2b->byte2; | |
1270 | } | |
7d0393cf | 1271 | |
06a2c219 | 1272 | ccl_driver (ccl, NULL, NULL, 0, 0, NULL); |
7d0393cf | 1273 | |
06a2c219 GM |
1274 | /* We assume that MSBs are appropriately set/reset by CCL |
1275 | program. */ | |
1276 | if (font->max_byte1 == 0) /* 1-byte font */ | |
ee569018 | 1277 | char2b->byte1 = 0, char2b->byte2 = ccl->reg[1]; |
06a2c219 GM |
1278 | else |
1279 | char2b->byte1 = ccl->reg[1], char2b->byte2 = ccl->reg[2]; | |
1280 | } | |
1281 | else if (font_info->encoding[charset]) | |
1282 | { | |
1283 | /* Fixed encoding scheme. See fontset.h for the meaning of the | |
1284 | encoding numbers. */ | |
1285 | int enc = font_info->encoding[charset]; | |
7d0393cf | 1286 | |
06a2c219 GM |
1287 | if ((enc == 1 || enc == 2) |
1288 | && CHARSET_DIMENSION (charset) == 2) | |
1289 | char2b->byte1 |= 0x80; | |
7d0393cf | 1290 | |
06a2c219 GM |
1291 | if (enc == 1 || enc == 3) |
1292 | char2b->byte2 |= 0x80; | |
1293 | } | |
1294 | } | |
1295 | ||
1296 | ||
1297 | /* Get face and two-byte form of character C in face FACE_ID on frame | |
1298 | F. The encoding of C is returned in *CHAR2B. MULTIBYTE_P non-zero | |
abfb6b46 GM |
1299 | means we want to display multibyte text. DISPLAY_P non-zero means |
1300 | make sure that X resources for the face returned are allocated. | |
1301 | Value is a pointer to a realized face that is ready for display if | |
1302 | DISPLAY_P is non-zero. */ | |
06a2c219 GM |
1303 | |
1304 | static INLINE struct face * | |
abfb6b46 | 1305 | x_get_char_face_and_encoding (f, c, face_id, char2b, multibyte_p, display_p) |
06a2c219 GM |
1306 | struct frame *f; |
1307 | int c, face_id; | |
1308 | XChar2b *char2b; | |
abfb6b46 | 1309 | int multibyte_p, display_p; |
06a2c219 GM |
1310 | { |
1311 | struct face *face = FACE_FROM_ID (f, face_id); | |
1312 | ||
1313 | if (!multibyte_p) | |
1314 | { | |
1315 | /* Unibyte case. We don't have to encode, but we have to make | |
1316 | sure to use a face suitable for unibyte. */ | |
1317 | char2b->byte1 = 0; | |
1318 | char2b->byte2 = c; | |
ee569018 KH |
1319 | face_id = FACE_FOR_CHAR (f, face, c); |
1320 | face = FACE_FROM_ID (f, face_id); | |
06a2c219 GM |
1321 | } |
1322 | else if (c < 128 && face_id < BASIC_FACE_ID_SENTINEL) | |
1323 | { | |
1324 | /* Case of ASCII in a face known to fit ASCII. */ | |
1325 | char2b->byte1 = 0; | |
1326 | char2b->byte2 = c; | |
1327 | } | |
1328 | else | |
1329 | { | |
1330 | int c1, c2, charset; | |
7d0393cf | 1331 | |
06a2c219 GM |
1332 | /* Split characters into bytes. If c2 is -1 afterwards, C is |
1333 | really a one-byte character so that byte1 is zero. */ | |
1334 | SPLIT_CHAR (c, charset, c1, c2); | |
1335 | if (c2 > 0) | |
1336 | char2b->byte1 = c1, char2b->byte2 = c2; | |
1337 | else | |
1338 | char2b->byte1 = 0, char2b->byte2 = c1; | |
1339 | ||
06a2c219 | 1340 | /* Maybe encode the character in *CHAR2B. */ |
ee569018 | 1341 | if (face->font != NULL) |
06a2c219 GM |
1342 | { |
1343 | struct font_info *font_info | |
1344 | = FONT_INFO_FROM_ID (f, face->font_info_id); | |
1345 | if (font_info) | |
ee569018 | 1346 | x_encode_char (c, char2b, font_info); |
06a2c219 GM |
1347 | } |
1348 | } | |
1349 | ||
1350 | /* Make sure X resources of the face are allocated. */ | |
abfb6b46 GM |
1351 | if (display_p) |
1352 | { | |
1353 | xassert (face != NULL); | |
1354 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
1355 | } | |
7d0393cf | 1356 | |
06a2c219 GM |
1357 | return face; |
1358 | } | |
1359 | ||
1360 | ||
1361 | /* Get face and two-byte form of character glyph GLYPH on frame F. | |
43d120d8 | 1362 | The encoding of GLYPH->u.ch is returned in *CHAR2B. Value is |
06a2c219 GM |
1363 | a pointer to a realized face that is ready for display. */ |
1364 | ||
1365 | static INLINE struct face * | |
ee569018 | 1366 | x_get_glyph_face_and_encoding (f, glyph, char2b, two_byte_p) |
06a2c219 GM |
1367 | struct frame *f; |
1368 | struct glyph *glyph; | |
1369 | XChar2b *char2b; | |
ee569018 | 1370 | int *two_byte_p; |
06a2c219 GM |
1371 | { |
1372 | struct face *face; | |
1373 | ||
1374 | xassert (glyph->type == CHAR_GLYPH); | |
43d120d8 | 1375 | face = FACE_FROM_ID (f, glyph->face_id); |
06a2c219 | 1376 | |
ee569018 KH |
1377 | if (two_byte_p) |
1378 | *two_byte_p = 0; | |
1379 | ||
06a2c219 GM |
1380 | if (!glyph->multibyte_p) |
1381 | { | |
1382 | /* Unibyte case. We don't have to encode, but we have to make | |
1383 | sure to use a face suitable for unibyte. */ | |
1384 | char2b->byte1 = 0; | |
43d120d8 | 1385 | char2b->byte2 = glyph->u.ch; |
06a2c219 | 1386 | } |
43d120d8 KH |
1387 | else if (glyph->u.ch < 128 |
1388 | && glyph->face_id < BASIC_FACE_ID_SENTINEL) | |
06a2c219 GM |
1389 | { |
1390 | /* Case of ASCII in a face known to fit ASCII. */ | |
1391 | char2b->byte1 = 0; | |
43d120d8 | 1392 | char2b->byte2 = glyph->u.ch; |
06a2c219 GM |
1393 | } |
1394 | else | |
1395 | { | |
1396 | int c1, c2, charset; | |
7d0393cf | 1397 | |
06a2c219 GM |
1398 | /* Split characters into bytes. If c2 is -1 afterwards, C is |
1399 | really a one-byte character so that byte1 is zero. */ | |
43d120d8 | 1400 | SPLIT_CHAR (glyph->u.ch, charset, c1, c2); |
06a2c219 GM |
1401 | if (c2 > 0) |
1402 | char2b->byte1 = c1, char2b->byte2 = c2; | |
1403 | else | |
1404 | char2b->byte1 = 0, char2b->byte2 = c1; | |
1405 | ||
1406 | /* Maybe encode the character in *CHAR2B. */ | |
1407 | if (charset != CHARSET_ASCII) | |
1408 | { | |
1409 | struct font_info *font_info | |
1410 | = FONT_INFO_FROM_ID (f, face->font_info_id); | |
1411 | if (font_info) | |
1412 | { | |
43d120d8 | 1413 | x_encode_char (glyph->u.ch, char2b, font_info); |
ee569018 KH |
1414 | if (two_byte_p) |
1415 | *two_byte_p | |
1416 | = ((XFontStruct *) (font_info->font))->max_byte1 > 0; | |
06a2c219 GM |
1417 | } |
1418 | } | |
1419 | } | |
1420 | ||
1421 | /* Make sure X resources of the face are allocated. */ | |
1422 | xassert (face != NULL); | |
1423 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
1424 | return face; | |
1425 | } | |
1426 | ||
1427 | ||
7d0393cf | 1428 | /* Store one glyph for IT->char_to_display in IT->glyph_row. |
06a2c219 GM |
1429 | Called from x_produce_glyphs when IT->glyph_row is non-null. */ |
1430 | ||
1431 | static INLINE void | |
1432 | x_append_glyph (it) | |
1433 | struct it *it; | |
1434 | { | |
1435 | struct glyph *glyph; | |
1436 | enum glyph_row_area area = it->area; | |
7d0393cf | 1437 | |
06a2c219 GM |
1438 | xassert (it->glyph_row); |
1439 | xassert (it->char_to_display != '\n' && it->char_to_display != '\t'); | |
7d0393cf | 1440 | |
06a2c219 GM |
1441 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; |
1442 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1443 | { | |
06a2c219 GM |
1444 | glyph->charpos = CHARPOS (it->position); |
1445 | glyph->object = it->object; | |
88d75730 | 1446 | glyph->pixel_width = it->pixel_width; |
06a2c219 | 1447 | glyph->voffset = it->voffset; |
88d75730 | 1448 | glyph->type = CHAR_GLYPH; |
06a2c219 | 1449 | glyph->multibyte_p = it->multibyte_p; |
88d75730 GM |
1450 | glyph->left_box_line_p = it->start_of_box_run_p; |
1451 | glyph->right_box_line_p = it->end_of_box_run_p; | |
66ac4b0e GM |
1452 | glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent |
1453 | || it->phys_descent > it->descent); | |
88d75730 | 1454 | glyph->padding_p = 0; |
ee569018 | 1455 | glyph->glyph_not_available_p = it->glyph_not_available_p; |
88d75730 GM |
1456 | glyph->face_id = it->face_id; |
1457 | glyph->u.ch = it->char_to_display; | |
06a2c219 GM |
1458 | ++it->glyph_row->used[area]; |
1459 | } | |
1460 | } | |
1461 | ||
7d0393cf | 1462 | /* Store one glyph for the composition IT->cmp_id in IT->glyph_row. |
b4192550 KH |
1463 | Called from x_produce_glyphs when IT->glyph_row is non-null. */ |
1464 | ||
1465 | static INLINE void | |
1466 | x_append_composite_glyph (it) | |
1467 | struct it *it; | |
1468 | { | |
1469 | struct glyph *glyph; | |
1470 | enum glyph_row_area area = it->area; | |
7d0393cf | 1471 | |
b4192550 | 1472 | xassert (it->glyph_row); |
7d0393cf | 1473 | |
b4192550 KH |
1474 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; |
1475 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1476 | { | |
b4192550 KH |
1477 | glyph->charpos = CHARPOS (it->position); |
1478 | glyph->object = it->object; | |
88d75730 | 1479 | glyph->pixel_width = it->pixel_width; |
b4192550 | 1480 | glyph->voffset = it->voffset; |
88d75730 | 1481 | glyph->type = COMPOSITE_GLYPH; |
b4192550 | 1482 | glyph->multibyte_p = it->multibyte_p; |
88d75730 GM |
1483 | glyph->left_box_line_p = it->start_of_box_run_p; |
1484 | glyph->right_box_line_p = it->end_of_box_run_p; | |
b4192550 KH |
1485 | glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent |
1486 | || it->phys_descent > it->descent); | |
88d75730 GM |
1487 | glyph->padding_p = 0; |
1488 | glyph->glyph_not_available_p = 0; | |
1489 | glyph->face_id = it->face_id; | |
1490 | glyph->u.cmp_id = it->cmp_id; | |
b4192550 KH |
1491 | ++it->glyph_row->used[area]; |
1492 | } | |
1493 | } | |
1494 | ||
06a2c219 GM |
1495 | |
1496 | /* Change IT->ascent and IT->height according to the setting of | |
1497 | IT->voffset. */ | |
1498 | ||
1499 | static INLINE void | |
1500 | take_vertical_position_into_account (it) | |
1501 | struct it *it; | |
1502 | { | |
1503 | if (it->voffset) | |
1504 | { | |
1505 | if (it->voffset < 0) | |
1506 | /* Increase the ascent so that we can display the text higher | |
1507 | in the line. */ | |
1508 | it->ascent += abs (it->voffset); | |
1509 | else | |
1510 | /* Increase the descent so that we can display the text lower | |
1511 | in the line. */ | |
1512 | it->descent += it->voffset; | |
1513 | } | |
1514 | } | |
1515 | ||
1516 | ||
1517 | /* Produce glyphs/get display metrics for the image IT is loaded with. | |
1518 | See the description of struct display_iterator in dispextern.h for | |
1519 | an overview of struct display_iterator. */ | |
1520 | ||
1521 | static void | |
1522 | x_produce_image_glyph (it) | |
1523 | struct it *it; | |
1524 | { | |
1525 | struct image *img; | |
1526 | struct face *face; | |
1527 | ||
1528 | xassert (it->what == IT_IMAGE); | |
1529 | ||
1530 | face = FACE_FROM_ID (it->f, it->face_id); | |
1531 | img = IMAGE_FROM_ID (it->f, it->image_id); | |
1532 | xassert (img); | |
1533 | ||
1534 | /* Make sure X resources of the face and image are loaded. */ | |
1535 | PREPARE_FACE_FOR_DISPLAY (it->f, face); | |
1536 | prepare_image_for_display (it->f, img); | |
1537 | ||
95af8492 | 1538 | it->ascent = it->phys_ascent = image_ascent (img, face); |
22d650b8 GM |
1539 | it->descent = it->phys_descent = img->height + 2 * img->vmargin - it->ascent; |
1540 | it->pixel_width = img->width + 2 * img->hmargin; | |
06a2c219 GM |
1541 | |
1542 | it->nglyphs = 1; | |
7d0393cf | 1543 | |
06a2c219 GM |
1544 | if (face->box != FACE_NO_BOX) |
1545 | { | |
ea2ba0d4 KH |
1546 | if (face->box_line_width > 0) |
1547 | { | |
1548 | it->ascent += face->box_line_width; | |
1549 | it->descent += face->box_line_width; | |
1550 | } | |
7d0393cf | 1551 | |
06a2c219 | 1552 | if (it->start_of_box_run_p) |
ea2ba0d4 | 1553 | it->pixel_width += abs (face->box_line_width); |
06a2c219 | 1554 | if (it->end_of_box_run_p) |
ea2ba0d4 | 1555 | it->pixel_width += abs (face->box_line_width); |
06a2c219 GM |
1556 | } |
1557 | ||
1558 | take_vertical_position_into_account (it); | |
7d0393cf | 1559 | |
06a2c219 GM |
1560 | if (it->glyph_row) |
1561 | { | |
1562 | struct glyph *glyph; | |
1563 | enum glyph_row_area area = it->area; | |
7d0393cf | 1564 | |
06a2c219 GM |
1565 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; |
1566 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1567 | { | |
06a2c219 GM |
1568 | glyph->charpos = CHARPOS (it->position); |
1569 | glyph->object = it->object; | |
88d75730 | 1570 | glyph->pixel_width = it->pixel_width; |
06a2c219 | 1571 | glyph->voffset = it->voffset; |
88d75730 | 1572 | glyph->type = IMAGE_GLYPH; |
06a2c219 | 1573 | glyph->multibyte_p = it->multibyte_p; |
88d75730 GM |
1574 | glyph->left_box_line_p = it->start_of_box_run_p; |
1575 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1576 | glyph->overlaps_vertically_p = 0; | |
1577 | glyph->padding_p = 0; | |
1578 | glyph->glyph_not_available_p = 0; | |
1579 | glyph->face_id = it->face_id; | |
1580 | glyph->u.img_id = img->id; | |
06a2c219 GM |
1581 | ++it->glyph_row->used[area]; |
1582 | } | |
1583 | } | |
1584 | } | |
1585 | ||
1586 | ||
1587 | /* Append a stretch glyph to IT->glyph_row. OBJECT is the source | |
7d0393cf JB |
1588 | of the glyph, WIDTH and HEIGHT are the width and height of the |
1589 | stretch. ASCENT is the percentage/100 of HEIGHT to use for the | |
06a2c219 | 1590 | ascent of the glyph (0 <= ASCENT <= 1). */ |
7d0393cf | 1591 | |
06a2c219 GM |
1592 | static void |
1593 | x_append_stretch_glyph (it, object, width, height, ascent) | |
1594 | struct it *it; | |
1595 | Lisp_Object object; | |
1596 | int width, height; | |
1597 | double ascent; | |
1598 | { | |
1599 | struct glyph *glyph; | |
1600 | enum glyph_row_area area = it->area; | |
1601 | ||
1602 | xassert (ascent >= 0 && ascent <= 1); | |
7d0393cf | 1603 | |
06a2c219 GM |
1604 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; |
1605 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1606 | { | |
06a2c219 GM |
1607 | glyph->charpos = CHARPOS (it->position); |
1608 | glyph->object = object; | |
88d75730 | 1609 | glyph->pixel_width = width; |
06a2c219 | 1610 | glyph->voffset = it->voffset; |
88d75730 | 1611 | glyph->type = STRETCH_GLYPH; |
06a2c219 | 1612 | glyph->multibyte_p = it->multibyte_p; |
88d75730 GM |
1613 | glyph->left_box_line_p = it->start_of_box_run_p; |
1614 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1615 | glyph->overlaps_vertically_p = 0; | |
1616 | glyph->padding_p = 0; | |
1617 | glyph->glyph_not_available_p = 0; | |
1618 | glyph->face_id = it->face_id; | |
1619 | glyph->u.stretch.ascent = height * ascent; | |
1620 | glyph->u.stretch.height = height; | |
06a2c219 GM |
1621 | ++it->glyph_row->used[area]; |
1622 | } | |
1623 | } | |
1624 | ||
1625 | ||
1626 | /* Produce a stretch glyph for iterator IT. IT->object is the value | |
1627 | of the glyph property displayed. The value must be a list | |
1628 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1629 | being recognized: | |
1630 | ||
1631 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
7d0393cf | 1632 | canonical char width wide. WIDTH may be an integer or floating |
06a2c219 GM |
1633 | point number. |
1634 | ||
1635 | 2. `:relative-width FACTOR' specifies that the width of the stretch | |
1636 | should be computed from the width of the first character having the | |
1637 | `glyph' property, and should be FACTOR times that width. | |
1638 | ||
1639 | 3. `:align-to HPOS' specifies that the space should be wide enough | |
1640 | to reach HPOS, a value in canonical character units. | |
1641 | ||
7d0393cf | 1642 | Exactly one of the above pairs must be present. |
06a2c219 GM |
1643 | |
1644 | 4. `:height HEIGHT' specifies that the height of the stretch produced | |
1645 | should be HEIGHT, measured in canonical character units. | |
1646 | ||
269b7745 | 1647 | 5. `:relative-height FACTOR' specifies that the height of the |
06a2c219 GM |
1648 | stretch should be FACTOR times the height of the characters having |
1649 | the glyph property. | |
1650 | ||
1651 | Either none or exactly one of 4 or 5 must be present. | |
1652 | ||
1653 | 6. `:ascent ASCENT' specifies that ASCENT percent of the height | |
1654 | of the stretch should be used for the ascent of the stretch. | |
1655 | ASCENT must be in the range 0 <= ASCENT <= 100. */ | |
1656 | ||
1657 | #define NUMVAL(X) \ | |
1658 | ((INTEGERP (X) || FLOATP (X)) \ | |
1659 | ? XFLOATINT (X) \ | |
1660 | : - 1) | |
1661 | ||
1662 | ||
1663 | static void | |
1664 | x_produce_stretch_glyph (it) | |
1665 | struct it *it; | |
1666 | { | |
1667 | /* (space :width WIDTH :height HEIGHT. */ | |
3e71d8f2 GM |
1668 | #if GLYPH_DEBUG |
1669 | extern Lisp_Object Qspace; | |
1670 | #endif | |
1671 | extern Lisp_Object QCwidth, QCheight, QCascent; | |
06a2c219 GM |
1672 | extern Lisp_Object QCrelative_width, QCrelative_height; |
1673 | extern Lisp_Object QCalign_to; | |
1674 | Lisp_Object prop, plist; | |
1675 | double width = 0, height = 0, ascent = 0; | |
1676 | struct face *face = FACE_FROM_ID (it->f, it->face_id); | |
1677 | XFontStruct *font = face->font ? face->font : FRAME_FONT (it->f); | |
1678 | ||
1679 | PREPARE_FACE_FOR_DISPLAY (it->f, face); | |
7d0393cf | 1680 | |
06a2c219 GM |
1681 | /* List should start with `space'. */ |
1682 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1683 | plist = XCDR (it->object); | |
1684 | ||
1685 | /* Compute the width of the stretch. */ | |
1686 | if (prop = Fplist_get (plist, QCwidth), | |
1687 | NUMVAL (prop) > 0) | |
1688 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1689 | width = NUMVAL (prop) * CANON_X_UNIT (it->f); | |
1690 | else if (prop = Fplist_get (plist, QCrelative_width), | |
1691 | NUMVAL (prop) > 0) | |
1692 | { | |
1693 | /* Relative width `:relative-width FACTOR' specified and valid. | |
1694 | Compute the width of the characters having the `glyph' | |
1695 | property. */ | |
1696 | struct it it2; | |
1697 | unsigned char *p = BYTE_POS_ADDR (IT_BYTEPOS (*it)); | |
7d0393cf | 1698 | |
06a2c219 GM |
1699 | it2 = *it; |
1700 | if (it->multibyte_p) | |
1701 | { | |
1702 | int maxlen = ((IT_BYTEPOS (*it) >= GPT ? ZV : GPT) | |
1703 | - IT_BYTEPOS (*it)); | |
1704 | it2.c = STRING_CHAR_AND_LENGTH (p, maxlen, it2.len); | |
1705 | } | |
1706 | else | |
1707 | it2.c = *p, it2.len = 1; | |
1708 | ||
1709 | it2.glyph_row = NULL; | |
1710 | it2.what = IT_CHARACTER; | |
1711 | x_produce_glyphs (&it2); | |
1712 | width = NUMVAL (prop) * it2.pixel_width; | |
1713 | } | |
1714 | else if (prop = Fplist_get (plist, QCalign_to), | |
1715 | NUMVAL (prop) > 0) | |
1716 | width = NUMVAL (prop) * CANON_X_UNIT (it->f) - it->current_x; | |
1717 | else | |
1718 | /* Nothing specified -> width defaults to canonical char width. */ | |
1719 | width = CANON_X_UNIT (it->f); | |
7d0393cf | 1720 | |
06a2c219 GM |
1721 | /* Compute height. */ |
1722 | if (prop = Fplist_get (plist, QCheight), | |
1723 | NUMVAL (prop) > 0) | |
1724 | height = NUMVAL (prop) * CANON_Y_UNIT (it->f); | |
1725 | else if (prop = Fplist_get (plist, QCrelative_height), | |
1726 | NUMVAL (prop) > 0) | |
1727 | height = FONT_HEIGHT (font) * NUMVAL (prop); | |
1728 | else | |
1729 | height = FONT_HEIGHT (font); | |
1730 | ||
7d0393cf | 1731 | /* Compute percentage of height used for ascent. If |
06a2c219 GM |
1732 | `:ascent ASCENT' is present and valid, use that. Otherwise, |
1733 | derive the ascent from the font in use. */ | |
1734 | if (prop = Fplist_get (plist, QCascent), | |
1735 | NUMVAL (prop) > 0 && NUMVAL (prop) <= 100) | |
1736 | ascent = NUMVAL (prop) / 100.0; | |
1737 | else | |
1738 | ascent = (double) font->ascent / FONT_HEIGHT (font); | |
1739 | ||
1740 | if (width <= 0) | |
1741 | width = 1; | |
1742 | if (height <= 0) | |
1743 | height = 1; | |
1744 | ||
1745 | if (it->glyph_row) | |
1746 | { | |
1747 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1748 | if (!STRINGP (object)) | |
1749 | object = it->w->buffer; | |
1750 | x_append_stretch_glyph (it, object, width, height, ascent); | |
1751 | } | |
1752 | ||
1753 | it->pixel_width = width; | |
66ac4b0e GM |
1754 | it->ascent = it->phys_ascent = height * ascent; |
1755 | it->descent = it->phys_descent = height - it->ascent; | |
06a2c219 GM |
1756 | it->nglyphs = 1; |
1757 | ||
1758 | if (face->box != FACE_NO_BOX) | |
1759 | { | |
ea2ba0d4 KH |
1760 | if (face->box_line_width > 0) |
1761 | { | |
1762 | it->ascent += face->box_line_width; | |
1763 | it->descent += face->box_line_width; | |
1764 | } | |
7d0393cf | 1765 | |
06a2c219 | 1766 | if (it->start_of_box_run_p) |
ea2ba0d4 | 1767 | it->pixel_width += abs (face->box_line_width); |
06a2c219 | 1768 | if (it->end_of_box_run_p) |
ea2ba0d4 | 1769 | it->pixel_width += abs (face->box_line_width); |
06a2c219 | 1770 | } |
7d0393cf | 1771 | |
06a2c219 GM |
1772 | take_vertical_position_into_account (it); |
1773 | } | |
1774 | ||
b4192550 KH |
1775 | /* Return proper value to be used as baseline offset of font that has |
1776 | ASCENT and DESCENT to draw characters by the font at the vertical | |
1777 | center of the line of frame F. | |
1778 | ||
1779 | Here, out task is to find the value of BOFF in the following figure; | |
1780 | ||
1781 | -------------------------+-----------+- | |
1782 | -+-+---------+-+ | | | |
1783 | | | | | | | | |
1784 | | | | | F_ASCENT F_HEIGHT | |
1785 | | | | ASCENT | | | |
1786 | HEIGHT | | | | | | |
1787 | | | |-|-+------+-----------|------- baseline | |
1788 | | | | | BOFF | | | |
1789 | | |---------|-+-+ | | | |
1790 | | | | DESCENT | | | |
1791 | -+-+---------+-+ F_DESCENT | | |
1792 | -------------------------+-----------+- | |
1793 | ||
1794 | -BOFF + DESCENT + (F_HEIGHT - HEIGHT) / 2 = F_DESCENT | |
1795 | BOFF = DESCENT + (F_HEIGHT - HEIGHT) / 2 - F_DESCENT | |
1796 | DESCENT = FONT->descent | |
1797 | HEIGHT = FONT_HEIGHT (FONT) | |
1798 | F_DESCENT = (F->output_data.x->font->descent | |
1799 | - F->output_data.x->baseline_offset) | |
1800 | F_HEIGHT = FRAME_LINE_HEIGHT (F) | |
1801 | */ | |
1802 | ||
458f45fa KH |
1803 | #define VCENTER_BASELINE_OFFSET(FONT, F) \ |
1804 | ((FONT)->descent \ | |
1805 | + (FRAME_LINE_HEIGHT ((F)) - FONT_HEIGHT ((FONT)) \ | |
1806 | + (FRAME_LINE_HEIGHT ((F)) > FONT_HEIGHT ((FONT)))) / 2 \ | |
1807 | - ((F)->output_data.x->font->descent - (F)->output_data.x->baseline_offset)) | |
06a2c219 GM |
1808 | |
1809 | /* Produce glyphs/get display metrics for the display element IT is | |
1810 | loaded with. See the description of struct display_iterator in | |
1811 | dispextern.h for an overview of struct display_iterator. */ | |
1812 | ||
1813 | static void | |
1814 | x_produce_glyphs (it) | |
1815 | struct it *it; | |
1816 | { | |
ee569018 KH |
1817 | it->glyph_not_available_p = 0; |
1818 | ||
06a2c219 GM |
1819 | if (it->what == IT_CHARACTER) |
1820 | { | |
1821 | XChar2b char2b; | |
1822 | XFontStruct *font; | |
ee569018 | 1823 | struct face *face = FACE_FROM_ID (it->f, it->face_id); |
06a2c219 | 1824 | XCharStruct *pcm; |
06a2c219 | 1825 | int font_not_found_p; |
b4192550 KH |
1826 | struct font_info *font_info; |
1827 | int boff; /* baseline offset */ | |
a4249304 KH |
1828 | /* We may change it->multibyte_p upon unibyte<->multibyte |
1829 | conversion. So, save the current value now and restore it | |
1830 | later. | |
1831 | ||
1832 | Note: It seems that we don't have to record multibyte_p in | |
1833 | struct glyph because the character code itself tells if or | |
1834 | not the character is multibyte. Thus, in the future, we must | |
1835 | consider eliminating the field `multibyte_p' in the struct | |
c347a1c3 | 1836 | glyph. */ |
a4249304 | 1837 | int saved_multibyte_p = it->multibyte_p; |
06a2c219 | 1838 | |
ee569018 KH |
1839 | /* Maybe translate single-byte characters to multibyte, or the |
1840 | other way. */ | |
06a2c219 | 1841 | it->char_to_display = it->c; |
ee569018 | 1842 | if (!ASCII_BYTE_P (it->c)) |
06a2c219 | 1843 | { |
ee569018 KH |
1844 | if (unibyte_display_via_language_environment |
1845 | && SINGLE_BYTE_CHAR_P (it->c) | |
1846 | && (it->c >= 0240 | |
1847 | || !NILP (Vnonascii_translation_table))) | |
1848 | { | |
1849 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
a4249304 | 1850 | it->multibyte_p = 1; |
ee569018 KH |
1851 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); |
1852 | face = FACE_FROM_ID (it->f, it->face_id); | |
1853 | } | |
1854 | else if (!SINGLE_BYTE_CHAR_P (it->c) | |
1855 | && !it->multibyte_p) | |
1856 | { | |
c347a1c3 | 1857 | it->multibyte_p = 1; |
ee569018 KH |
1858 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); |
1859 | face = FACE_FROM_ID (it->f, it->face_id); | |
1860 | } | |
06a2c219 | 1861 | } |
7d0393cf | 1862 | |
ee569018 KH |
1863 | /* Get font to use. Encode IT->char_to_display. */ |
1864 | x_get_char_face_and_encoding (it->f, it->char_to_display, | |
1865 | it->face_id, &char2b, | |
abfb6b46 | 1866 | it->multibyte_p, 0); |
06a2c219 GM |
1867 | font = face->font; |
1868 | ||
1869 | /* When no suitable font found, use the default font. */ | |
1870 | font_not_found_p = font == NULL; | |
1871 | if (font_not_found_p) | |
b4192550 KH |
1872 | { |
1873 | font = FRAME_FONT (it->f); | |
1874 | boff = it->f->output_data.x->baseline_offset; | |
1875 | font_info = NULL; | |
1876 | } | |
1877 | else | |
1878 | { | |
1879 | font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
1880 | boff = font_info->baseline_offset; | |
1881 | if (font_info->vertical_centering) | |
1882 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
1883 | } | |
06a2c219 GM |
1884 | |
1885 | if (it->char_to_display >= ' ' | |
1886 | && (!it->multibyte_p || it->char_to_display < 128)) | |
1887 | { | |
1888 | /* Either unibyte or ASCII. */ | |
1889 | int stretched_p; | |
1890 | ||
1891 | it->nglyphs = 1; | |
06a2c219 GM |
1892 | |
1893 | pcm = x_per_char_metric (font, &char2b); | |
b4192550 KH |
1894 | it->ascent = font->ascent + boff; |
1895 | it->descent = font->descent - boff; | |
474848ac GM |
1896 | |
1897 | if (pcm) | |
1898 | { | |
1899 | it->phys_ascent = pcm->ascent + boff; | |
1900 | it->phys_descent = pcm->descent - boff; | |
1901 | it->pixel_width = pcm->width; | |
1902 | } | |
1903 | else | |
1904 | { | |
1905 | it->glyph_not_available_p = 1; | |
1906 | it->phys_ascent = font->ascent + boff; | |
1907 | it->phys_descent = font->descent - boff; | |
1908 | it->pixel_width = FONT_WIDTH (font); | |
1909 | } | |
06a2c219 GM |
1910 | |
1911 | /* If this is a space inside a region of text with | |
1912 | `space-width' property, change its width. */ | |
1913 | stretched_p = it->char_to_display == ' ' && !NILP (it->space_width); | |
1914 | if (stretched_p) | |
1915 | it->pixel_width *= XFLOATINT (it->space_width); | |
1916 | ||
1917 | /* If face has a box, add the box thickness to the character | |
1918 | height. If character has a box line to the left and/or | |
1919 | right, add the box line width to the character's width. */ | |
1920 | if (face->box != FACE_NO_BOX) | |
1921 | { | |
1922 | int thick = face->box_line_width; | |
7d0393cf | 1923 | |
ea2ba0d4 KH |
1924 | if (thick > 0) |
1925 | { | |
1926 | it->ascent += thick; | |
1927 | it->descent += thick; | |
1928 | } | |
1929 | else | |
1930 | thick = -thick; | |
1931 | ||
06a2c219 GM |
1932 | if (it->start_of_box_run_p) |
1933 | it->pixel_width += thick; | |
1934 | if (it->end_of_box_run_p) | |
1935 | it->pixel_width += thick; | |
1936 | } | |
1937 | ||
1938 | /* If face has an overline, add the height of the overline | |
1939 | (1 pixel) and a 1 pixel margin to the character height. */ | |
1940 | if (face->overline_p) | |
1941 | it->ascent += 2; | |
1942 | ||
1943 | take_vertical_position_into_account (it); | |
7d0393cf | 1944 | |
06a2c219 GM |
1945 | /* If we have to actually produce glyphs, do it. */ |
1946 | if (it->glyph_row) | |
1947 | { | |
1948 | if (stretched_p) | |
1949 | { | |
1950 | /* Translate a space with a `space-width' property | |
1951 | into a stretch glyph. */ | |
1952 | double ascent = (double) font->ascent / FONT_HEIGHT (font); | |
7d0393cf | 1953 | x_append_stretch_glyph (it, it->object, it->pixel_width, |
06a2c219 GM |
1954 | it->ascent + it->descent, ascent); |
1955 | } | |
1956 | else | |
1957 | x_append_glyph (it); | |
1958 | ||
1959 | /* If characters with lbearing or rbearing are displayed | |
1960 | in this line, record that fact in a flag of the | |
1961 | glyph row. This is used to optimize X output code. */ | |
1c7e22fd | 1962 | if (pcm && (pcm->lbearing < 0 || pcm->rbearing > pcm->width)) |
06a2c219 GM |
1963 | it->glyph_row->contains_overlapping_glyphs_p = 1; |
1964 | } | |
1965 | } | |
1966 | else if (it->char_to_display == '\n') | |
1967 | { | |
1968 | /* A newline has no width but we need the height of the line. */ | |
1969 | it->pixel_width = 0; | |
1970 | it->nglyphs = 0; | |
b4192550 KH |
1971 | it->ascent = it->phys_ascent = font->ascent + boff; |
1972 | it->descent = it->phys_descent = font->descent - boff; | |
7d0393cf | 1973 | |
ea2ba0d4 KH |
1974 | if (face->box != FACE_NO_BOX |
1975 | && face->box_line_width > 0) | |
06a2c219 | 1976 | { |
ea2ba0d4 KH |
1977 | it->ascent += face->box_line_width; |
1978 | it->descent += face->box_line_width; | |
06a2c219 GM |
1979 | } |
1980 | } | |
1981 | else if (it->char_to_display == '\t') | |
1982 | { | |
1983 | int tab_width = it->tab_width * CANON_X_UNIT (it->f); | |
d365f5bb | 1984 | int x = it->current_x + it->continuation_lines_width; |
06a2c219 | 1985 | int next_tab_x = ((1 + x + tab_width - 1) / tab_width) * tab_width; |
2a32b5ea GM |
1986 | |
1987 | /* If the distance from the current position to the next tab | |
1988 | stop is less than a canonical character width, use the | |
1989 | tab stop after that. */ | |
1990 | if (next_tab_x - x < CANON_X_UNIT (it->f)) | |
1991 | next_tab_x += tab_width; | |
7d0393cf | 1992 | |
06a2c219 GM |
1993 | it->pixel_width = next_tab_x - x; |
1994 | it->nglyphs = 1; | |
b4192550 KH |
1995 | it->ascent = it->phys_ascent = font->ascent + boff; |
1996 | it->descent = it->phys_descent = font->descent - boff; | |
7d0393cf | 1997 | |
06a2c219 GM |
1998 | if (it->glyph_row) |
1999 | { | |
2000 | double ascent = (double) it->ascent / (it->ascent + it->descent); | |
7d0393cf | 2001 | x_append_stretch_glyph (it, it->object, it->pixel_width, |
06a2c219 GM |
2002 | it->ascent + it->descent, ascent); |
2003 | } | |
2004 | } | |
7d0393cf | 2005 | else |
06a2c219 GM |
2006 | { |
2007 | /* A multi-byte character. Assume that the display width of the | |
2008 | character is the width of the character multiplied by the | |
b4192550 | 2009 | width of the font. */ |
06a2c219 | 2010 | |
b4192550 KH |
2011 | /* If we found a font, this font should give us the right |
2012 | metrics. If we didn't find a font, use the frame's | |
2013 | default font and calculate the width of the character | |
2014 | from the charset width; this is what old redisplay code | |
2015 | did. */ | |
2016 | pcm = x_per_char_metric (font, &char2b); | |
ee569018 KH |
2017 | if (font_not_found_p || !pcm) |
2018 | { | |
2019 | int charset = CHAR_CHARSET (it->char_to_display); | |
2020 | ||
2021 | it->glyph_not_available_p = 1; | |
2022 | it->pixel_width = (FONT_WIDTH (FRAME_FONT (it->f)) | |
2023 | * CHARSET_WIDTH (charset)); | |
2024 | it->phys_ascent = font->ascent + boff; | |
2025 | it->phys_descent = font->descent - boff; | |
2026 | } | |
2027 | else | |
2028 | { | |
2029 | it->pixel_width = pcm->width; | |
2030 | it->phys_ascent = pcm->ascent + boff; | |
2031 | it->phys_descent = pcm->descent - boff; | |
2032 | if (it->glyph_row | |
2033 | && (pcm->lbearing < 0 | |
2034 | || pcm->rbearing > pcm->width)) | |
2035 | it->glyph_row->contains_overlapping_glyphs_p = 1; | |
2036 | } | |
b4192550 KH |
2037 | it->nglyphs = 1; |
2038 | it->ascent = font->ascent + boff; | |
2039 | it->descent = font->descent - boff; | |
06a2c219 GM |
2040 | if (face->box != FACE_NO_BOX) |
2041 | { | |
2042 | int thick = face->box_line_width; | |
ea2ba0d4 KH |
2043 | |
2044 | if (thick > 0) | |
2045 | { | |
2046 | it->ascent += thick; | |
2047 | it->descent += thick; | |
2048 | } | |
2049 | else | |
2050 | thick = - thick; | |
7d0393cf | 2051 | |
06a2c219 GM |
2052 | if (it->start_of_box_run_p) |
2053 | it->pixel_width += thick; | |
2054 | if (it->end_of_box_run_p) | |
2055 | it->pixel_width += thick; | |
2056 | } | |
7d0393cf | 2057 | |
06a2c219 GM |
2058 | /* If face has an overline, add the height of the overline |
2059 | (1 pixel) and a 1 pixel margin to the character height. */ | |
2060 | if (face->overline_p) | |
2061 | it->ascent += 2; | |
2062 | ||
2063 | take_vertical_position_into_account (it); | |
7d0393cf | 2064 | |
06a2c219 GM |
2065 | if (it->glyph_row) |
2066 | x_append_glyph (it); | |
2067 | } | |
a4249304 | 2068 | it->multibyte_p = saved_multibyte_p; |
06a2c219 | 2069 | } |
b4192550 KH |
2070 | else if (it->what == IT_COMPOSITION) |
2071 | { | |
2072 | /* Note: A composition is represented as one glyph in the | |
2073 | glyph matrix. There are no padding glyphs. */ | |
2074 | XChar2b char2b; | |
2075 | XFontStruct *font; | |
ee569018 | 2076 | struct face *face = FACE_FROM_ID (it->f, it->face_id); |
b4192550 KH |
2077 | XCharStruct *pcm; |
2078 | int font_not_found_p; | |
2079 | struct font_info *font_info; | |
2080 | int boff; /* baseline offset */ | |
2081 | struct composition *cmp = composition_table[it->cmp_id]; | |
2082 | ||
2083 | /* Maybe translate single-byte characters to multibyte. */ | |
2084 | it->char_to_display = it->c; | |
2085 | if (unibyte_display_via_language_environment | |
2086 | && SINGLE_BYTE_CHAR_P (it->c) | |
2087 | && (it->c >= 0240 | |
2088 | || (it->c >= 0200 | |
2089 | && !NILP (Vnonascii_translation_table)))) | |
2090 | { | |
2091 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
b4192550 | 2092 | } |
7d0393cf | 2093 | |
b4192550 | 2094 | /* Get face and font to use. Encode IT->char_to_display. */ |
ee569018 KH |
2095 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); |
2096 | face = FACE_FROM_ID (it->f, it->face_id); | |
2097 | x_get_char_face_and_encoding (it->f, it->char_to_display, | |
abfb6b46 | 2098 | it->face_id, &char2b, it->multibyte_p, 0); |
b4192550 KH |
2099 | font = face->font; |
2100 | ||
2101 | /* When no suitable font found, use the default font. */ | |
2102 | font_not_found_p = font == NULL; | |
2103 | if (font_not_found_p) | |
2104 | { | |
2105 | font = FRAME_FONT (it->f); | |
2106 | boff = it->f->output_data.x->baseline_offset; | |
2107 | font_info = NULL; | |
2108 | } | |
2109 | else | |
2110 | { | |
2111 | font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
2112 | boff = font_info->baseline_offset; | |
2113 | if (font_info->vertical_centering) | |
2114 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
2115 | } | |
2116 | ||
2117 | /* There are no padding glyphs, so there is only one glyph to | |
2118 | produce for the composition. Important is that pixel_width, | |
2119 | ascent and descent are the values of what is drawn by | |
2120 | draw_glyphs (i.e. the values of the overall glyphs composed). */ | |
2121 | it->nglyphs = 1; | |
2122 | ||
2123 | /* If we have not yet calculated pixel size data of glyphs of | |
2124 | the composition for the current face font, calculate them | |
2125 | now. Theoretically, we have to check all fonts for the | |
2126 | glyphs, but that requires much time and memory space. So, | |
2127 | here we check only the font of the first glyph. This leads | |
2128 | to incorrect display very rarely, and C-l (recenter) can | |
2129 | correct the display anyway. */ | |
2130 | if (cmp->font != (void *) font) | |
2131 | { | |
2132 | /* Ascent and descent of the font of the first character of | |
2133 | this composition (adjusted by baseline offset). Ascent | |
2134 | and descent of overall glyphs should not be less than | |
2135 | them respectively. */ | |
2136 | int font_ascent = font->ascent + boff; | |
2137 | int font_descent = font->descent - boff; | |
2138 | /* Bounding box of the overall glyphs. */ | |
2139 | int leftmost, rightmost, lowest, highest; | |
329bed06 | 2140 | int i, width, ascent, descent; |
b4192550 KH |
2141 | |
2142 | cmp->font = (void *) font; | |
2143 | ||
2144 | /* Initialize the bounding box. */ | |
1bdeec2e KH |
2145 | if (font_info |
2146 | && (pcm = x_per_char_metric (font, &char2b))) | |
329bed06 GM |
2147 | { |
2148 | width = pcm->width; | |
2149 | ascent = pcm->ascent; | |
2150 | descent = pcm->descent; | |
2151 | } | |
2152 | else | |
2153 | { | |
2154 | width = FONT_WIDTH (font); | |
2155 | ascent = font->ascent; | |
2156 | descent = font->descent; | |
2157 | } | |
7d0393cf | 2158 | |
329bed06 GM |
2159 | rightmost = width; |
2160 | lowest = - descent + boff; | |
2161 | highest = ascent + boff; | |
b4192550 | 2162 | leftmost = 0; |
7d0393cf | 2163 | |
b4192550 KH |
2164 | if (font_info |
2165 | && font_info->default_ascent | |
2166 | && CHAR_TABLE_P (Vuse_default_ascent) | |
2167 | && !NILP (Faref (Vuse_default_ascent, | |
2168 | make_number (it->char_to_display)))) | |
2169 | highest = font_info->default_ascent + boff; | |
2170 | ||
2171 | /* Draw the first glyph at the normal position. It may be | |
2172 | shifted to right later if some other glyphs are drawn at | |
2173 | the left. */ | |
2174 | cmp->offsets[0] = 0; | |
2175 | cmp->offsets[1] = boff; | |
2176 | ||
2177 | /* Set cmp->offsets for the remaining glyphs. */ | |
2178 | for (i = 1; i < cmp->glyph_len; i++) | |
2179 | { | |
2180 | int left, right, btm, top; | |
2181 | int ch = COMPOSITION_GLYPH (cmp, i); | |
ee569018 | 2182 | int face_id = FACE_FOR_CHAR (it->f, face, ch); |
7d0393cf | 2183 | |
ee569018 KH |
2184 | face = FACE_FROM_ID (it->f, face_id); |
2185 | x_get_char_face_and_encoding (it->f, ch, face->id, &char2b, | |
abfb6b46 | 2186 | it->multibyte_p, 0); |
b4192550 KH |
2187 | font = face->font; |
2188 | if (font == NULL) | |
2189 | { | |
2190 | font = FRAME_FONT (it->f); | |
2191 | boff = it->f->output_data.x->baseline_offset; | |
2192 | font_info = NULL; | |
2193 | } | |
2194 | else | |
2195 | { | |
2196 | font_info | |
2197 | = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
2198 | boff = font_info->baseline_offset; | |
2199 | if (font_info->vertical_centering) | |
2200 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
2201 | } | |
2202 | ||
1bdeec2e KH |
2203 | if (font_info |
2204 | && (pcm = x_per_char_metric (font, &char2b))) | |
329bed06 GM |
2205 | { |
2206 | width = pcm->width; | |
2207 | ascent = pcm->ascent; | |
2208 | descent = pcm->descent; | |
2209 | } | |
2210 | else | |
2211 | { | |
2212 | width = FONT_WIDTH (font); | |
1bdeec2e KH |
2213 | ascent = 1; |
2214 | descent = 0; | |
329bed06 | 2215 | } |
b4192550 KH |
2216 | |
2217 | if (cmp->method != COMPOSITION_WITH_RULE_ALTCHARS) | |
2218 | { | |
2219 | /* Relative composition with or without | |
2220 | alternate chars. */ | |
329bed06 GM |
2221 | left = (leftmost + rightmost - width) / 2; |
2222 | btm = - descent + boff; | |
b4192550 KH |
2223 | if (font_info && font_info->relative_compose |
2224 | && (! CHAR_TABLE_P (Vignore_relative_composition) | |
2225 | || NILP (Faref (Vignore_relative_composition, | |
2226 | make_number (ch))))) | |
2227 | { | |
2228 | ||
329bed06 | 2229 | if (- descent >= font_info->relative_compose) |
b4192550 KH |
2230 | /* One extra pixel between two glyphs. */ |
2231 | btm = highest + 1; | |
329bed06 | 2232 | else if (ascent <= 0) |
b4192550 | 2233 | /* One extra pixel between two glyphs. */ |
329bed06 | 2234 | btm = lowest - 1 - ascent - descent; |
b4192550 KH |
2235 | } |
2236 | } | |
2237 | else | |
2238 | { | |
2239 | /* A composition rule is specified by an integer | |
2240 | value that encodes global and new reference | |
2241 | points (GREF and NREF). GREF and NREF are | |
2242 | specified by numbers as below: | |
2243 | ||
2244 | 0---1---2 -- ascent | |
2245 | | | | |
2246 | | | | |
2247 | | | | |
2248 | 9--10--11 -- center | |
2249 | | | | |
2250 | ---3---4---5--- baseline | |
2251 | | | | |
2252 | 6---7---8 -- descent | |
2253 | */ | |
2254 | int rule = COMPOSITION_RULE (cmp, i); | |
2255 | int gref, nref, grefx, grefy, nrefx, nrefy; | |
2256 | ||
2257 | COMPOSITION_DECODE_RULE (rule, gref, nref); | |
2258 | grefx = gref % 3, nrefx = nref % 3; | |
2259 | grefy = gref / 3, nrefy = nref / 3; | |
2260 | ||
2261 | left = (leftmost | |
2262 | + grefx * (rightmost - leftmost) / 2 | |
329bed06 | 2263 | - nrefx * width / 2); |
b4192550 KH |
2264 | btm = ((grefy == 0 ? highest |
2265 | : grefy == 1 ? 0 | |
2266 | : grefy == 2 ? lowest | |
2267 | : (highest + lowest) / 2) | |
329bed06 GM |
2268 | - (nrefy == 0 ? ascent + descent |
2269 | : nrefy == 1 ? descent - boff | |
b4192550 | 2270 | : nrefy == 2 ? 0 |
329bed06 | 2271 | : (ascent + descent) / 2)); |
b4192550 KH |
2272 | } |
2273 | ||
2274 | cmp->offsets[i * 2] = left; | |
329bed06 | 2275 | cmp->offsets[i * 2 + 1] = btm + descent; |
b4192550 KH |
2276 | |
2277 | /* Update the bounding box of the overall glyphs. */ | |
329bed06 GM |
2278 | right = left + width; |
2279 | top = btm + descent + ascent; | |
b4192550 KH |
2280 | if (left < leftmost) |
2281 | leftmost = left; | |
2282 | if (right > rightmost) | |
2283 | rightmost = right; | |
2284 | if (top > highest) | |
2285 | highest = top; | |
2286 | if (btm < lowest) | |
2287 | lowest = btm; | |
2288 | } | |
2289 | ||
2290 | /* If there are glyphs whose x-offsets are negative, | |
2291 | shift all glyphs to the right and make all x-offsets | |
2292 | non-negative. */ | |
2293 | if (leftmost < 0) | |
2294 | { | |
2295 | for (i = 0; i < cmp->glyph_len; i++) | |
2296 | cmp->offsets[i * 2] -= leftmost; | |
2297 | rightmost -= leftmost; | |
2298 | } | |
2299 | ||
2300 | cmp->pixel_width = rightmost; | |
2301 | cmp->ascent = highest; | |
2302 | cmp->descent = - lowest; | |
2303 | if (cmp->ascent < font_ascent) | |
2304 | cmp->ascent = font_ascent; | |
2305 | if (cmp->descent < font_descent) | |
2306 | cmp->descent = font_descent; | |
2307 | } | |
2308 | ||
2309 | it->pixel_width = cmp->pixel_width; | |
2310 | it->ascent = it->phys_ascent = cmp->ascent; | |
2311 | it->descent = it->phys_descent = cmp->descent; | |
2312 | ||
2313 | if (face->box != FACE_NO_BOX) | |
2314 | { | |
2315 | int thick = face->box_line_width; | |
ea2ba0d4 KH |
2316 | |
2317 | if (thick > 0) | |
2318 | { | |
2319 | it->ascent += thick; | |
2320 | it->descent += thick; | |
2321 | } | |
2322 | else | |
2323 | thick = - thick; | |
7d0393cf | 2324 | |
b4192550 KH |
2325 | if (it->start_of_box_run_p) |
2326 | it->pixel_width += thick; | |
2327 | if (it->end_of_box_run_p) | |
2328 | it->pixel_width += thick; | |
2329 | } | |
7d0393cf | 2330 | |
b4192550 KH |
2331 | /* If face has an overline, add the height of the overline |
2332 | (1 pixel) and a 1 pixel margin to the character height. */ | |
2333 | if (face->overline_p) | |
2334 | it->ascent += 2; | |
2335 | ||
2336 | take_vertical_position_into_account (it); | |
7d0393cf | 2337 | |
b4192550 KH |
2338 | if (it->glyph_row) |
2339 | x_append_composite_glyph (it); | |
2340 | } | |
06a2c219 GM |
2341 | else if (it->what == IT_IMAGE) |
2342 | x_produce_image_glyph (it); | |
2343 | else if (it->what == IT_STRETCH) | |
2344 | x_produce_stretch_glyph (it); | |
2345 | ||
3017fdd1 GM |
2346 | /* Accumulate dimensions. Note: can't assume that it->descent > 0 |
2347 | because this isn't true for images with `:ascent 100'. */ | |
2348 | xassert (it->ascent >= 0 && it->descent >= 0); | |
06a2c219 GM |
2349 | if (it->area == TEXT_AREA) |
2350 | it->current_x += it->pixel_width; | |
7d0393cf | 2351 | |
d365f5bb | 2352 | it->descent += it->extra_line_spacing; |
7d0393cf | 2353 | |
06a2c219 GM |
2354 | it->max_ascent = max (it->max_ascent, it->ascent); |
2355 | it->max_descent = max (it->max_descent, it->descent); | |
66ac4b0e GM |
2356 | it->max_phys_ascent = max (it->max_phys_ascent, it->phys_ascent); |
2357 | it->max_phys_descent = max (it->max_phys_descent, it->phys_descent); | |
06a2c219 GM |
2358 | } |
2359 | ||
2360 | ||
2361 | /* Estimate the pixel height of the mode or top line on frame F. | |
2362 | FACE_ID specifies what line's height to estimate. */ | |
2363 | ||
2364 | int | |
2365 | x_estimate_mode_line_height (f, face_id) | |
2366 | struct frame *f; | |
2367 | enum face_id face_id; | |
2368 | { | |
43281ee3 | 2369 | int height = FONT_HEIGHT (FRAME_FONT (f)); |
06a2c219 GM |
2370 | |
2371 | /* This function is called so early when Emacs starts that the face | |
2372 | cache and mode line face are not yet initialized. */ | |
2373 | if (FRAME_FACE_CACHE (f)) | |
2374 | { | |
2375 | struct face *face = FACE_FROM_ID (f, face_id); | |
2376 | if (face) | |
43281ee3 GM |
2377 | { |
2378 | if (face->font) | |
2379 | height = FONT_HEIGHT (face->font); | |
ea2ba0d4 KH |
2380 | if (face->box_line_width > 0) |
2381 | height += 2 * face->box_line_width; | |
43281ee3 | 2382 | } |
06a2c219 | 2383 | } |
7d0393cf | 2384 | |
06a2c219 GM |
2385 | return height; |
2386 | } | |
2387 | ||
2388 | \f | |
2389 | /*********************************************************************** | |
2390 | Glyph display | |
2391 | ***********************************************************************/ | |
2392 | ||
2393 | /* A sequence of glyphs to be drawn in the same face. | |
2394 | ||
2395 | This data structure is not really completely X specific, so it | |
2396 | could possibly, at least partially, be useful for other systems. It | |
2397 | is currently not part of the external redisplay interface because | |
2398 | it's not clear what other systems will need. */ | |
2399 | ||
2400 | struct glyph_string | |
2401 | { | |
2402 | /* X-origin of the string. */ | |
2403 | int x; | |
2404 | ||
2405 | /* Y-origin and y-position of the base line of this string. */ | |
2406 | int y, ybase; | |
2407 | ||
2408 | /* The width of the string, not including a face extension. */ | |
2409 | int width; | |
2410 | ||
2411 | /* The width of the string, including a face extension. */ | |
2412 | int background_width; | |
2413 | ||
2414 | /* The height of this string. This is the height of the line this | |
2415 | string is drawn in, and can be different from the height of the | |
2416 | font the string is drawn in. */ | |
2417 | int height; | |
2418 | ||
2419 | /* Number of pixels this string overwrites in front of its x-origin. | |
2420 | This number is zero if the string has an lbearing >= 0; it is | |
2421 | -lbearing, if the string has an lbearing < 0. */ | |
2422 | int left_overhang; | |
2423 | ||
2424 | /* Number of pixels this string overwrites past its right-most | |
2425 | nominal x-position, i.e. x + width. Zero if the string's | |
2426 | rbearing is <= its nominal width, rbearing - width otherwise. */ | |
2427 | int right_overhang; | |
2428 | ||
2429 | /* The frame on which the glyph string is drawn. */ | |
2430 | struct frame *f; | |
2431 | ||
2432 | /* The window on which the glyph string is drawn. */ | |
2433 | struct window *w; | |
2434 | ||
2435 | /* X display and window for convenience. */ | |
2436 | Display *display; | |
2437 | Window window; | |
2438 | ||
2439 | /* The glyph row for which this string was built. It determines the | |
2440 | y-origin and height of the string. */ | |
2441 | struct glyph_row *row; | |
2442 | ||
2443 | /* The area within row. */ | |
2444 | enum glyph_row_area area; | |
2445 | ||
2446 | /* Characters to be drawn, and number of characters. */ | |
2447 | XChar2b *char2b; | |
2448 | int nchars; | |
2449 | ||
06a2c219 GM |
2450 | /* A face-override for drawing cursors, mouse face and similar. */ |
2451 | enum draw_glyphs_face hl; | |
2452 | ||
2453 | /* Face in which this string is to be drawn. */ | |
2454 | struct face *face; | |
2455 | ||
2456 | /* Font in which this string is to be drawn. */ | |
2457 | XFontStruct *font; | |
2458 | ||
2459 | /* Font info for this string. */ | |
2460 | struct font_info *font_info; | |
2461 | ||
b4192550 KH |
2462 | /* Non-null means this string describes (part of) a composition. |
2463 | All characters from char2b are drawn composed. */ | |
2464 | struct composition *cmp; | |
06a2c219 GM |
2465 | |
2466 | /* Index of this glyph string's first character in the glyph | |
b4192550 KH |
2467 | definition of CMP. If this is zero, this glyph string describes |
2468 | the first character of a composition. */ | |
06a2c219 GM |
2469 | int gidx; |
2470 | ||
2471 | /* 1 means this glyph strings face has to be drawn to the right end | |
2472 | of the window's drawing area. */ | |
2473 | unsigned extends_to_end_of_line_p : 1; | |
2474 | ||
2475 | /* 1 means the background of this string has been drawn. */ | |
2476 | unsigned background_filled_p : 1; | |
2477 | ||
2478 | /* 1 means glyph string must be drawn with 16-bit functions. */ | |
2479 | unsigned two_byte_p : 1; | |
2480 | ||
2481 | /* 1 means that the original font determined for drawing this glyph | |
2482 | string could not be loaded. The member `font' has been set to | |
2483 | the frame's default font in this case. */ | |
2484 | unsigned font_not_found_p : 1; | |
2485 | ||
2486 | /* 1 means that the face in which this glyph string is drawn has a | |
2487 | stipple pattern. */ | |
2488 | unsigned stippled_p : 1; | |
2489 | ||
66ac4b0e GM |
2490 | /* 1 means only the foreground of this glyph string must be drawn, |
2491 | and we should use the physical height of the line this glyph | |
2492 | string appears in as clip rect. */ | |
2493 | unsigned for_overlaps_p : 1; | |
2494 | ||
06a2c219 GM |
2495 | /* The GC to use for drawing this glyph string. */ |
2496 | GC gc; | |
2497 | ||
2498 | /* A pointer to the first glyph in the string. This glyph | |
2499 | corresponds to char2b[0]. Needed to draw rectangles if | |
2500 | font_not_found_p is 1. */ | |
2501 | struct glyph *first_glyph; | |
2502 | ||
2503 | /* Image, if any. */ | |
2504 | struct image *img; | |
2505 | ||
2506 | struct glyph_string *next, *prev; | |
2507 | }; | |
2508 | ||
2509 | ||
61869b99 | 2510 | #if GLYPH_DEBUG |
06a2c219 GM |
2511 | |
2512 | static void | |
2513 | x_dump_glyph_string (s) | |
2514 | struct glyph_string *s; | |
2515 | { | |
2516 | fprintf (stderr, "glyph string\n"); | |
2517 | fprintf (stderr, " x, y, w, h = %d, %d, %d, %d\n", | |
2518 | s->x, s->y, s->width, s->height); | |
2519 | fprintf (stderr, " ybase = %d\n", s->ybase); | |
2520 | fprintf (stderr, " hl = %d\n", s->hl); | |
2521 | fprintf (stderr, " left overhang = %d, right = %d\n", | |
2522 | s->left_overhang, s->right_overhang); | |
2523 | fprintf (stderr, " nchars = %d\n", s->nchars); | |
2524 | fprintf (stderr, " extends to end of line = %d\n", | |
2525 | s->extends_to_end_of_line_p); | |
2526 | fprintf (stderr, " font height = %d\n", FONT_HEIGHT (s->font)); | |
2527 | fprintf (stderr, " bg width = %d\n", s->background_width); | |
2528 | } | |
2529 | ||
2530 | #endif /* GLYPH_DEBUG */ | |
2531 | ||
2532 | ||
2533 | ||
2534 | static void x_append_glyph_string_lists P_ ((struct glyph_string **, | |
2535 | struct glyph_string **, | |
2536 | struct glyph_string *, | |
2537 | struct glyph_string *)); | |
2538 | static void x_prepend_glyph_string_lists P_ ((struct glyph_string **, | |
2539 | struct glyph_string **, | |
2540 | struct glyph_string *, | |
2541 | struct glyph_string *)); | |
2542 | static void x_append_glyph_string P_ ((struct glyph_string **, | |
2543 | struct glyph_string **, | |
2544 | struct glyph_string *)); | |
2545 | static int x_left_overwritten P_ ((struct glyph_string *)); | |
2546 | static int x_left_overwriting P_ ((struct glyph_string *)); | |
2547 | static int x_right_overwritten P_ ((struct glyph_string *)); | |
2548 | static int x_right_overwriting P_ ((struct glyph_string *)); | |
66ac4b0e GM |
2549 | static int x_fill_glyph_string P_ ((struct glyph_string *, int, int, int, |
2550 | int)); | |
06a2c219 GM |
2551 | static void x_init_glyph_string P_ ((struct glyph_string *, |
2552 | XChar2b *, struct window *, | |
2553 | struct glyph_row *, | |
7d0393cf | 2554 | enum glyph_row_area, int, |
06a2c219 GM |
2555 | enum draw_glyphs_face)); |
2556 | static int x_draw_glyphs P_ ((struct window *, int , struct glyph_row *, | |
2557 | enum glyph_row_area, int, int, | |
f0a48a01 | 2558 | enum draw_glyphs_face, int)); |
06a2c219 GM |
2559 | static void x_set_glyph_string_clipping P_ ((struct glyph_string *)); |
2560 | static void x_set_glyph_string_gc P_ ((struct glyph_string *)); | |
2561 | static void x_draw_glyph_string_background P_ ((struct glyph_string *, | |
2562 | int)); | |
2563 | static void x_draw_glyph_string_foreground P_ ((struct glyph_string *)); | |
b4192550 | 2564 | static void x_draw_composite_glyph_string_foreground P_ ((struct glyph_string *)); |
06a2c219 GM |
2565 | static void x_draw_glyph_string_box P_ ((struct glyph_string *)); |
2566 | static void x_draw_glyph_string P_ ((struct glyph_string *)); | |
2567 | static void x_compute_glyph_string_overhangs P_ ((struct glyph_string *)); | |
2568 | static void x_set_cursor_gc P_ ((struct glyph_string *)); | |
2569 | static void x_set_mode_line_face_gc P_ ((struct glyph_string *)); | |
2570 | static void x_set_mouse_face_gc P_ ((struct glyph_string *)); | |
2571 | static void x_get_glyph_overhangs P_ ((struct glyph *, struct frame *, | |
2572 | int *, int *)); | |
2573 | static void x_compute_overhangs_and_x P_ ((struct glyph_string *, int, int)); | |
2574 | static int x_alloc_lighter_color P_ ((struct frame *, Display *, Colormap, | |
68c45bf0 | 2575 | unsigned long *, double, int)); |
06a2c219 | 2576 | static void x_setup_relief_color P_ ((struct frame *, struct relief *, |
68c45bf0 | 2577 | double, int, unsigned long)); |
06a2c219 GM |
2578 | static void x_setup_relief_colors P_ ((struct glyph_string *)); |
2579 | static void x_draw_image_glyph_string P_ ((struct glyph_string *)); | |
2580 | static void x_draw_image_relief P_ ((struct glyph_string *)); | |
2581 | static void x_draw_image_foreground P_ ((struct glyph_string *)); | |
2582 | static void x_draw_image_foreground_1 P_ ((struct glyph_string *, Pixmap)); | |
2583 | static void x_fill_image_glyph_string P_ ((struct glyph_string *)); | |
2584 | static void x_clear_glyph_string_rect P_ ((struct glyph_string *, int, | |
2585 | int, int, int)); | |
2586 | static void x_draw_relief_rect P_ ((struct frame *, int, int, int, int, | |
2587 | int, int, int, int, XRectangle *)); | |
2588 | static void x_draw_box_rect P_ ((struct glyph_string *, int, int, int, int, | |
2589 | int, int, int, XRectangle *)); | |
66ac4b0e GM |
2590 | static void x_fix_overlapping_area P_ ((struct window *, struct glyph_row *, |
2591 | enum glyph_row_area)); | |
209f68d9 GM |
2592 | static int x_fill_stretch_glyph_string P_ ((struct glyph_string *, |
2593 | struct glyph_row *, | |
2594 | enum glyph_row_area, int, int)); | |
06a2c219 | 2595 | |
163dcff3 GM |
2596 | #if GLYPH_DEBUG |
2597 | static void x_check_font P_ ((struct frame *, XFontStruct *)); | |
2598 | #endif | |
2599 | ||
06a2c219 | 2600 | |
06a2c219 GM |
2601 | /* Append the list of glyph strings with head H and tail T to the list |
2602 | with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the result. */ | |
2603 | ||
2604 | static INLINE void | |
2605 | x_append_glyph_string_lists (head, tail, h, t) | |
2606 | struct glyph_string **head, **tail; | |
2607 | struct glyph_string *h, *t; | |
2608 | { | |
2609 | if (h) | |
2610 | { | |
2611 | if (*head) | |
2612 | (*tail)->next = h; | |
2613 | else | |
2614 | *head = h; | |
2615 | h->prev = *tail; | |
2616 | *tail = t; | |
2617 | } | |
2618 | } | |
2619 | ||
2620 | ||
2621 | /* Prepend the list of glyph strings with head H and tail T to the | |
2622 | list with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the | |
2623 | result. */ | |
2624 | ||
2625 | static INLINE void | |
2626 | x_prepend_glyph_string_lists (head, tail, h, t) | |
2627 | struct glyph_string **head, **tail; | |
2628 | struct glyph_string *h, *t; | |
2629 | { | |
2630 | if (h) | |
2631 | { | |
2632 | if (*head) | |
2633 | (*head)->prev = t; | |
2634 | else | |
2635 | *tail = t; | |
2636 | t->next = *head; | |
2637 | *head = h; | |
2638 | } | |
2639 | } | |
2640 | ||
2641 | ||
2642 | /* Append glyph string S to the list with head *HEAD and tail *TAIL. | |
2643 | Set *HEAD and *TAIL to the resulting list. */ | |
2644 | ||
2645 | static INLINE void | |
2646 | x_append_glyph_string (head, tail, s) | |
2647 | struct glyph_string **head, **tail; | |
2648 | struct glyph_string *s; | |
2649 | { | |
2650 | s->next = s->prev = NULL; | |
2651 | x_append_glyph_string_lists (head, tail, s, s); | |
2652 | } | |
2653 | ||
2654 | ||
2655 | /* Set S->gc to a suitable GC for drawing glyph string S in cursor | |
2656 | face. */ | |
2657 | ||
2658 | static void | |
2659 | x_set_cursor_gc (s) | |
2660 | struct glyph_string *s; | |
2661 | { | |
2662 | if (s->font == FRAME_FONT (s->f) | |
2663 | && s->face->background == FRAME_BACKGROUND_PIXEL (s->f) | |
2664 | && s->face->foreground == FRAME_FOREGROUND_PIXEL (s->f) | |
b4192550 | 2665 | && !s->cmp) |
06a2c219 GM |
2666 | s->gc = s->f->output_data.x->cursor_gc; |
2667 | else | |
2668 | { | |
2669 | /* Cursor on non-default face: must merge. */ | |
2670 | XGCValues xgcv; | |
2671 | unsigned long mask; | |
2672 | ||
2673 | xgcv.background = s->f->output_data.x->cursor_pixel; | |
2674 | xgcv.foreground = s->face->background; | |
2675 | ||
2676 | /* If the glyph would be invisible, try a different foreground. */ | |
2677 | if (xgcv.foreground == xgcv.background) | |
2678 | xgcv.foreground = s->face->foreground; | |
2679 | if (xgcv.foreground == xgcv.background) | |
2680 | xgcv.foreground = s->f->output_data.x->cursor_foreground_pixel; | |
2681 | if (xgcv.foreground == xgcv.background) | |
2682 | xgcv.foreground = s->face->foreground; | |
2683 | ||
2684 | /* Make sure the cursor is distinct from text in this face. */ | |
2685 | if (xgcv.background == s->face->background | |
2686 | && xgcv.foreground == s->face->foreground) | |
2687 | { | |
2688 | xgcv.background = s->face->foreground; | |
2689 | xgcv.foreground = s->face->background; | |
2690 | } | |
2691 | ||
2692 | IF_DEBUG (x_check_font (s->f, s->font)); | |
2693 | xgcv.font = s->font->fid; | |
2694 | xgcv.graphics_exposures = False; | |
2695 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
2696 | ||
2697 | if (FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc) | |
2698 | XChangeGC (s->display, FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc, | |
2699 | mask, &xgcv); | |
2700 | else | |
2701 | FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc | |
2702 | = XCreateGC (s->display, s->window, mask, &xgcv); | |
2703 | ||
2704 | s->gc = FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc; | |
2705 | } | |
2706 | } | |
2707 | ||
2708 | ||
2709 | /* Set up S->gc of glyph string S for drawing text in mouse face. */ | |
7d0393cf | 2710 | |
06a2c219 GM |
2711 | static void |
2712 | x_set_mouse_face_gc (s) | |
2713 | struct glyph_string *s; | |
7d0393cf | 2714 | { |
06a2c219 | 2715 | int face_id; |
ee569018 | 2716 | struct face *face; |
06a2c219 | 2717 | |
e4ded23c | 2718 | /* What face has to be used last for the mouse face? */ |
06a2c219 | 2719 | face_id = FRAME_X_DISPLAY_INFO (s->f)->mouse_face_face_id; |
ee569018 | 2720 | face = FACE_FROM_ID (s->f, face_id); |
e4ded23c GM |
2721 | if (face == NULL) |
2722 | face = FACE_FROM_ID (s->f, MOUSE_FACE_ID); | |
7d0393cf | 2723 | |
033e3e18 GM |
2724 | if (s->first_glyph->type == CHAR_GLYPH) |
2725 | face_id = FACE_FOR_CHAR (s->f, face, s->first_glyph->u.ch); | |
2726 | else | |
2727 | face_id = FACE_FOR_CHAR (s->f, face, 0); | |
06a2c219 GM |
2728 | s->face = FACE_FROM_ID (s->f, face_id); |
2729 | PREPARE_FACE_FOR_DISPLAY (s->f, s->face); | |
2730 | ||
2731 | /* If font in this face is same as S->font, use it. */ | |
2732 | if (s->font == s->face->font) | |
2733 | s->gc = s->face->gc; | |
2734 | else | |
2735 | { | |
2736 | /* Otherwise construct scratch_cursor_gc with values from FACE | |
2737 | but font FONT. */ | |
2738 | XGCValues xgcv; | |
2739 | unsigned long mask; | |
7d0393cf | 2740 | |
06a2c219 GM |
2741 | xgcv.background = s->face->background; |
2742 | xgcv.foreground = s->face->foreground; | |
2743 | IF_DEBUG (x_check_font (s->f, s->font)); | |
2744 | xgcv.font = s->font->fid; | |
2745 | xgcv.graphics_exposures = False; | |
2746 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
7d0393cf | 2747 | |
06a2c219 GM |
2748 | if (FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc) |
2749 | XChangeGC (s->display, FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc, | |
2750 | mask, &xgcv); | |
2751 | else | |
2752 | FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc | |
2753 | = XCreateGC (s->display, s->window, mask, &xgcv); | |
7d0393cf | 2754 | |
06a2c219 GM |
2755 | s->gc = FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc; |
2756 | } | |
2757 | ||
2758 | xassert (s->gc != 0); | |
2759 | } | |
2760 | ||
2761 | ||
2762 | /* Set S->gc of glyph string S to a GC suitable for drawing a mode line. | |
2763 | Faces to use in the mode line have already been computed when the | |
2764 | matrix was built, so there isn't much to do, here. */ | |
2765 | ||
2766 | static INLINE void | |
2767 | x_set_mode_line_face_gc (s) | |
2768 | struct glyph_string *s; | |
7d0393cf | 2769 | { |
06a2c219 | 2770 | s->gc = s->face->gc; |
06a2c219 GM |
2771 | } |
2772 | ||
2773 | ||
2774 | /* Set S->gc of glyph string S for drawing that glyph string. Set | |
2775 | S->stippled_p to a non-zero value if the face of S has a stipple | |
2776 | pattern. */ | |
2777 | ||
2778 | static INLINE void | |
2779 | x_set_glyph_string_gc (s) | |
2780 | struct glyph_string *s; | |
2781 | { | |
209f68d9 | 2782 | PREPARE_FACE_FOR_DISPLAY (s->f, s->face); |
7d0393cf | 2783 | |
06a2c219 GM |
2784 | if (s->hl == DRAW_NORMAL_TEXT) |
2785 | { | |
2786 | s->gc = s->face->gc; | |
2787 | s->stippled_p = s->face->stipple != 0; | |
2788 | } | |
2789 | else if (s->hl == DRAW_INVERSE_VIDEO) | |
2790 | { | |
2791 | x_set_mode_line_face_gc (s); | |
2792 | s->stippled_p = s->face->stipple != 0; | |
2793 | } | |
2794 | else if (s->hl == DRAW_CURSOR) | |
2795 | { | |
2796 | x_set_cursor_gc (s); | |
2797 | s->stippled_p = 0; | |
2798 | } | |
2799 | else if (s->hl == DRAW_MOUSE_FACE) | |
2800 | { | |
2801 | x_set_mouse_face_gc (s); | |
2802 | s->stippled_p = s->face->stipple != 0; | |
2803 | } | |
2804 | else if (s->hl == DRAW_IMAGE_RAISED | |
2805 | || s->hl == DRAW_IMAGE_SUNKEN) | |
2806 | { | |
2807 | s->gc = s->face->gc; | |
2808 | s->stippled_p = s->face->stipple != 0; | |
2809 | } | |
2810 | else | |
2811 | { | |
2812 | s->gc = s->face->gc; | |
2813 | s->stippled_p = s->face->stipple != 0; | |
2814 | } | |
2815 | ||
2816 | /* GC must have been set. */ | |
2817 | xassert (s->gc != 0); | |
2818 | } | |
2819 | ||
2820 | ||
2821 | /* Return in *R the clipping rectangle for glyph string S. */ | |
2822 | ||
2823 | static void | |
2824 | x_get_glyph_string_clip_rect (s, r) | |
2825 | struct glyph_string *s; | |
2826 | XRectangle *r; | |
2827 | { | |
2828 | if (s->row->full_width_p) | |
2829 | { | |
2830 | /* Draw full-width. X coordinates are relative to S->w->left. */ | |
1da3fd71 | 2831 | int canon_x = CANON_X_UNIT (s->f); |
7d0393cf | 2832 | |
1da3fd71 GM |
2833 | r->x = WINDOW_LEFT_MARGIN (s->w) * canon_x; |
2834 | r->width = XFASTINT (s->w->width) * canon_x; | |
06a2c219 GM |
2835 | |
2836 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (s->f)) | |
2837 | { | |
1da3fd71 | 2838 | int width = FRAME_SCROLL_BAR_WIDTH (s->f) * canon_x; |
06a2c219 GM |
2839 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (s->f)) |
2840 | r->x -= width; | |
2841 | } | |
7d0393cf | 2842 | |
b9432a85 | 2843 | r->x += FRAME_INTERNAL_BORDER_WIDTH (s->f); |
7d0393cf | 2844 | |
06a2c219 GM |
2845 | /* Unless displaying a mode or menu bar line, which are always |
2846 | fully visible, clip to the visible part of the row. */ | |
2847 | if (s->w->pseudo_window_p) | |
2848 | r->height = s->row->visible_height; | |
2849 | else | |
2850 | r->height = s->height; | |
2851 | } | |
2852 | else | |
2853 | { | |
2854 | /* This is a text line that may be partially visible. */ | |
2855 | r->x = WINDOW_AREA_TO_FRAME_PIXEL_X (s->w, s->area, 0); | |
2856 | r->width = window_box_width (s->w, s->area); | |
2857 | r->height = s->row->visible_height; | |
2858 | } | |
2859 | ||
66ac4b0e GM |
2860 | /* If S draws overlapping rows, it's sufficient to use the top and |
2861 | bottom of the window for clipping because this glyph string | |
2862 | intentionally draws over other lines. */ | |
2863 | if (s->for_overlaps_p) | |
2864 | { | |
045dee35 | 2865 | r->y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w); |
66ac4b0e GM |
2866 | r->height = window_text_bottom_y (s->w) - r->y; |
2867 | } | |
98b8a90f GM |
2868 | else |
2869 | { | |
2870 | /* Don't use S->y for clipping because it doesn't take partially | |
2871 | visible lines into account. For example, it can be negative for | |
2872 | partially visible lines at the top of a window. */ | |
2873 | if (!s->row->full_width_p | |
2874 | && MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P (s->w, s->row)) | |
2875 | r->y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w); | |
2876 | else | |
2877 | r->y = max (0, s->row->y); | |
2878 | ||
2879 | /* If drawing a tool-bar window, draw it over the internal border | |
2880 | at the top of the window. */ | |
2881 | if (s->w == XWINDOW (s->f->tool_bar_window)) | |
2882 | r->y -= s->f->output_data.x->internal_border_width; | |
2883 | } | |
2884 | ||
66ac4b0e | 2885 | r->y = WINDOW_TO_FRAME_PIXEL_Y (s->w, r->y); |
06a2c219 GM |
2886 | } |
2887 | ||
2888 | ||
2889 | /* Set clipping for output of glyph string S. S may be part of a mode | |
2890 | line or menu if we don't have X toolkit support. */ | |
2891 | ||
2892 | static INLINE void | |
2893 | x_set_glyph_string_clipping (s) | |
2894 | struct glyph_string *s; | |
2895 | { | |
2896 | XRectangle r; | |
2897 | x_get_glyph_string_clip_rect (s, &r); | |
2898 | XSetClipRectangles (s->display, s->gc, 0, 0, &r, 1, Unsorted); | |
2899 | } | |
2900 | ||
2901 | ||
2902 | /* Compute left and right overhang of glyph string S. If S is a glyph | |
b4192550 | 2903 | string for a composition, assume overhangs don't exist. */ |
06a2c219 GM |
2904 | |
2905 | static INLINE void | |
2906 | x_compute_glyph_string_overhangs (s) | |
2907 | struct glyph_string *s; | |
2908 | { | |
b4192550 | 2909 | if (s->cmp == NULL |
06a2c219 GM |
2910 | && s->first_glyph->type == CHAR_GLYPH) |
2911 | { | |
2912 | XCharStruct cs; | |
2913 | int direction, font_ascent, font_descent; | |
2914 | XTextExtents16 (s->font, s->char2b, s->nchars, &direction, | |
2915 | &font_ascent, &font_descent, &cs); | |
2916 | s->right_overhang = cs.rbearing > cs.width ? cs.rbearing - cs.width : 0; | |
2917 | s->left_overhang = cs.lbearing < 0 ? -cs.lbearing : 0; | |
2918 | } | |
2919 | } | |
2920 | ||
2921 | ||
2922 | /* Compute overhangs and x-positions for glyph string S and its | |
2923 | predecessors, or successors. X is the starting x-position for S. | |
2924 | BACKWARD_P non-zero means process predecessors. */ | |
7d0393cf | 2925 | |
06a2c219 GM |
2926 | static void |
2927 | x_compute_overhangs_and_x (s, x, backward_p) | |
2928 | struct glyph_string *s; | |
2929 | int x; | |
2930 | int backward_p; | |
2931 | { | |
2932 | if (backward_p) | |
2933 | { | |
2934 | while (s) | |
2935 | { | |
2936 | x_compute_glyph_string_overhangs (s); | |
2937 | x -= s->width; | |
2938 | s->x = x; | |
2939 | s = s->prev; | |
2940 | } | |
2941 | } | |
2942 | else | |
2943 | { | |
2944 | while (s) | |
2945 | { | |
2946 | x_compute_glyph_string_overhangs (s); | |
2947 | s->x = x; | |
2948 | x += s->width; | |
2949 | s = s->next; | |
2950 | } | |
2951 | } | |
2952 | } | |
2953 | ||
2954 | ||
2955 | /* Set *LEFT and *RIGHT to the left and right overhang of GLYPH on | |
b4192550 KH |
2956 | frame F. Overhangs of glyphs other than type CHAR_GLYPH are |
2957 | assumed to be zero. */ | |
06a2c219 GM |
2958 | |
2959 | static void | |
2960 | x_get_glyph_overhangs (glyph, f, left, right) | |
2961 | struct glyph *glyph; | |
2962 | struct frame *f; | |
2963 | int *left, *right; | |
2964 | { | |
06a2c219 | 2965 | *left = *right = 0; |
7d0393cf | 2966 | |
b4192550 | 2967 | if (glyph->type == CHAR_GLYPH) |
06a2c219 GM |
2968 | { |
2969 | XFontStruct *font; | |
2970 | struct face *face; | |
2971 | struct font_info *font_info; | |
2972 | XChar2b char2b; | |
ee569018 KH |
2973 | XCharStruct *pcm; |
2974 | ||
2975 | face = x_get_glyph_face_and_encoding (f, glyph, &char2b, NULL); | |
06a2c219 GM |
2976 | font = face->font; |
2977 | font_info = FONT_INFO_FROM_ID (f, face->font_info_id); | |
ee569018 KH |
2978 | if (font |
2979 | && (pcm = x_per_char_metric (font, &char2b))) | |
06a2c219 | 2980 | { |
06a2c219 GM |
2981 | if (pcm->rbearing > pcm->width) |
2982 | *right = pcm->rbearing - pcm->width; | |
2983 | if (pcm->lbearing < 0) | |
2984 | *left = -pcm->lbearing; | |
2985 | } | |
2986 | } | |
2987 | } | |
2988 | ||
2989 | ||
2990 | /* Return the index of the first glyph preceding glyph string S that | |
2991 | is overwritten by S because of S's left overhang. Value is -1 | |
2992 | if no glyphs are overwritten. */ | |
2993 | ||
2994 | static int | |
2995 | x_left_overwritten (s) | |
2996 | struct glyph_string *s; | |
2997 | { | |
2998 | int k; | |
7d0393cf | 2999 | |
06a2c219 GM |
3000 | if (s->left_overhang) |
3001 | { | |
3002 | int x = 0, i; | |
3003 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
3004 | int first = s->first_glyph - glyphs; | |
3005 | ||
3006 | for (i = first - 1; i >= 0 && x > -s->left_overhang; --i) | |
3007 | x -= glyphs[i].pixel_width; | |
3008 | ||
3009 | k = i + 1; | |
3010 | } | |
3011 | else | |
3012 | k = -1; | |
3013 | ||
3014 | return k; | |
3015 | } | |
3016 | ||
3017 | ||
3018 | /* Return the index of the first glyph preceding glyph string S that | |
3019 | is overwriting S because of its right overhang. Value is -1 if no | |
3020 | glyph in front of S overwrites S. */ | |
3021 | ||
3022 | static int | |
3023 | x_left_overwriting (s) | |
3024 | struct glyph_string *s; | |
3025 | { | |
3026 | int i, k, x; | |
3027 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
3028 | int first = s->first_glyph - glyphs; | |
3029 | ||
3030 | k = -1; | |
3031 | x = 0; | |
3032 | for (i = first - 1; i >= 0; --i) | |
3033 | { | |
3034 | int left, right; | |
3035 | x_get_glyph_overhangs (glyphs + i, s->f, &left, &right); | |
3036 | if (x + right > 0) | |
3037 | k = i; | |
3038 | x -= glyphs[i].pixel_width; | |
3039 | } | |
3040 | ||
3041 | return k; | |
3042 | } | |
3043 | ||
3044 | ||
3045 | /* Return the index of the last glyph following glyph string S that is | |
3046 | not overwritten by S because of S's right overhang. Value is -1 if | |
3047 | no such glyph is found. */ | |
3048 | ||
3049 | static int | |
3050 | x_right_overwritten (s) | |
3051 | struct glyph_string *s; | |
3052 | { | |
3053 | int k = -1; | |
3054 | ||
3055 | if (s->right_overhang) | |
3056 | { | |
3057 | int x = 0, i; | |
3058 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
b4192550 | 3059 | int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars); |
06a2c219 | 3060 | int end = s->row->used[s->area]; |
7d0393cf | 3061 | |
06a2c219 GM |
3062 | for (i = first; i < end && s->right_overhang > x; ++i) |
3063 | x += glyphs[i].pixel_width; | |
3064 | ||
3065 | k = i; | |
3066 | } | |
3067 | ||
3068 | return k; | |
3069 | } | |
3070 | ||
3071 | ||
3072 | /* Return the index of the last glyph following glyph string S that | |
3073 | overwrites S because of its left overhang. Value is negative | |
3074 | if no such glyph is found. */ | |
3075 | ||
3076 | static int | |
3077 | x_right_overwriting (s) | |
3078 | struct glyph_string *s; | |
3079 | { | |
3080 | int i, k, x; | |
3081 | int end = s->row->used[s->area]; | |
3082 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
b4192550 | 3083 | int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars); |
06a2c219 GM |
3084 | |
3085 | k = -1; | |
3086 | x = 0; | |
3087 | for (i = first; i < end; ++i) | |
3088 | { | |
3089 | int left, right; | |
3090 | x_get_glyph_overhangs (glyphs + i, s->f, &left, &right); | |
3091 | if (x - left < 0) | |
3092 | k = i; | |
3093 | x += glyphs[i].pixel_width; | |
3094 | } | |
3095 | ||
3096 | return k; | |
3097 | } | |
3098 | ||
3099 | ||
3100 | /* Fill rectangle X, Y, W, H with background color of glyph string S. */ | |
3101 | ||
3102 | static INLINE void | |
3103 | x_clear_glyph_string_rect (s, x, y, w, h) | |
3104 | struct glyph_string *s; | |
3105 | int x, y, w, h; | |
3106 | { | |
3107 | XGCValues xgcv; | |
3108 | XGetGCValues (s->display, s->gc, GCForeground | GCBackground, &xgcv); | |
3109 | XSetForeground (s->display, s->gc, xgcv.background); | |
3110 | XFillRectangle (s->display, s->window, s->gc, x, y, w, h); | |
3111 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
3112 | } | |
3113 | ||
3114 | ||
3115 | /* Draw the background of glyph_string S. If S->background_filled_p | |
3116 | is non-zero don't draw it. FORCE_P non-zero means draw the | |
3117 | background even if it wouldn't be drawn normally. This is used | |
b4192550 KH |
3118 | when a string preceding S draws into the background of S, or S |
3119 | contains the first component of a composition. */ | |
06a2c219 GM |
3120 | |
3121 | static void | |
3122 | x_draw_glyph_string_background (s, force_p) | |
3123 | struct glyph_string *s; | |
3124 | int force_p; | |
3125 | { | |
3126 | /* Nothing to do if background has already been drawn or if it | |
3127 | shouldn't be drawn in the first place. */ | |
3128 | if (!s->background_filled_p) | |
3129 | { | |
ea2ba0d4 KH |
3130 | int box_line_width = max (s->face->box_line_width, 0); |
3131 | ||
b4192550 | 3132 | if (s->stippled_p) |
06a2c219 GM |
3133 | { |
3134 | /* Fill background with a stipple pattern. */ | |
3135 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
3136 | XFillRectangle (s->display, s->window, s->gc, s->x, | |
ea2ba0d4 | 3137 | s->y + box_line_width, |
06a2c219 | 3138 | s->background_width, |
ea2ba0d4 | 3139 | s->height - 2 * box_line_width); |
06a2c219 GM |
3140 | XSetFillStyle (s->display, s->gc, FillSolid); |
3141 | s->background_filled_p = 1; | |
3142 | } | |
ea2ba0d4 | 3143 | else if (FONT_HEIGHT (s->font) < s->height - 2 * box_line_width |
06a2c219 GM |
3144 | || s->font_not_found_p |
3145 | || s->extends_to_end_of_line_p | |
06a2c219 GM |
3146 | || force_p) |
3147 | { | |
ea2ba0d4 | 3148 | x_clear_glyph_string_rect (s, s->x, s->y + box_line_width, |
06a2c219 | 3149 | s->background_width, |
ea2ba0d4 | 3150 | s->height - 2 * box_line_width); |
06a2c219 GM |
3151 | s->background_filled_p = 1; |
3152 | } | |
3153 | } | |
3154 | } | |
3155 | ||
3156 | ||
3157 | /* Draw the foreground of glyph string S. */ | |
3158 | ||
3159 | static void | |
3160 | x_draw_glyph_string_foreground (s) | |
3161 | struct glyph_string *s; | |
3162 | { | |
3163 | int i, x; | |
3164 | ||
3165 | /* If first glyph of S has a left box line, start drawing the text | |
3166 | of S to the right of that box line. */ | |
3167 | if (s->face->box != FACE_NO_BOX | |
3168 | && s->first_glyph->left_box_line_p) | |
ea2ba0d4 | 3169 | x = s->x + abs (s->face->box_line_width); |
06a2c219 GM |
3170 | else |
3171 | x = s->x; | |
3172 | ||
b4192550 KH |
3173 | /* Draw characters of S as rectangles if S's font could not be |
3174 | loaded. */ | |
3175 | if (s->font_not_found_p) | |
06a2c219 | 3176 | { |
b4192550 | 3177 | for (i = 0; i < s->nchars; ++i) |
06a2c219 | 3178 | { |
b4192550 KH |
3179 | struct glyph *g = s->first_glyph + i; |
3180 | XDrawRectangle (s->display, s->window, | |
3181 | s->gc, x, s->y, g->pixel_width - 1, | |
3182 | s->height - 1); | |
3183 | x += g->pixel_width; | |
06a2c219 GM |
3184 | } |
3185 | } | |
3186 | else | |
3187 | { | |
b4192550 KH |
3188 | char *char1b = (char *) s->char2b; |
3189 | int boff = s->font_info->baseline_offset; | |
06a2c219 | 3190 | |
b4192550 KH |
3191 | if (s->font_info->vertical_centering) |
3192 | boff = VCENTER_BASELINE_OFFSET (s->font, s->f) - boff; | |
3193 | ||
3194 | /* If we can use 8-bit functions, condense S->char2b. */ | |
3195 | if (!s->two_byte_p) | |
3196 | for (i = 0; i < s->nchars; ++i) | |
3197 | char1b[i] = s->char2b[i].byte2; | |
3198 | ||
3199 | /* Draw text with XDrawString if background has already been | |
3200 | filled. Otherwise, use XDrawImageString. (Note that | |
3201 | XDrawImageString is usually faster than XDrawString.) Always | |
3202 | use XDrawImageString when drawing the cursor so that there is | |
3203 | no chance that characters under a box cursor are invisible. */ | |
3204 | if (s->for_overlaps_p | |
3205 | || (s->background_filled_p && s->hl != DRAW_CURSOR)) | |
3206 | { | |
3207 | /* Draw characters with 16-bit or 8-bit functions. */ | |
3208 | if (s->two_byte_p) | |
3209 | XDrawString16 (s->display, s->window, s->gc, x, | |
3210 | s->ybase - boff, s->char2b, s->nchars); | |
3211 | else | |
3212 | XDrawString (s->display, s->window, s->gc, x, | |
3213 | s->ybase - boff, char1b, s->nchars); | |
3214 | } | |
06a2c219 GM |
3215 | else |
3216 | { | |
b4192550 KH |
3217 | if (s->two_byte_p) |
3218 | XDrawImageString16 (s->display, s->window, s->gc, x, | |
3219 | s->ybase - boff, s->char2b, s->nchars); | |
06a2c219 | 3220 | else |
b4192550 KH |
3221 | XDrawImageString (s->display, s->window, s->gc, x, |
3222 | s->ybase - boff, char1b, s->nchars); | |
3223 | } | |
3224 | } | |
3225 | } | |
06a2c219 | 3226 | |
b4192550 | 3227 | /* Draw the foreground of composite glyph string S. */ |
06a2c219 | 3228 | |
b4192550 KH |
3229 | static void |
3230 | x_draw_composite_glyph_string_foreground (s) | |
3231 | struct glyph_string *s; | |
3232 | { | |
3233 | int i, x; | |
06a2c219 | 3234 | |
b4192550 KH |
3235 | /* If first glyph of S has a left box line, start drawing the text |
3236 | of S to the right of that box line. */ | |
3237 | if (s->face->box != FACE_NO_BOX | |
3238 | && s->first_glyph->left_box_line_p) | |
ea2ba0d4 | 3239 | x = s->x + abs (s->face->box_line_width); |
b4192550 KH |
3240 | else |
3241 | x = s->x; | |
06a2c219 | 3242 | |
b4192550 KH |
3243 | /* S is a glyph string for a composition. S->gidx is the index of |
3244 | the first character drawn for glyphs of this composition. | |
3245 | S->gidx == 0 means we are drawing the very first character of | |
3246 | this composition. */ | |
06a2c219 | 3247 | |
b4192550 KH |
3248 | /* Draw a rectangle for the composition if the font for the very |
3249 | first character of the composition could not be loaded. */ | |
3250 | if (s->font_not_found_p) | |
3251 | { | |
3252 | if (s->gidx == 0) | |
3253 | XDrawRectangle (s->display, s->window, s->gc, x, s->y, | |
3254 | s->width - 1, s->height - 1); | |
3255 | } | |
3256 | else | |
3257 | { | |
3258 | for (i = 0; i < s->nchars; i++, ++s->gidx) | |
3259 | XDrawString16 (s->display, s->window, s->gc, | |
3260 | x + s->cmp->offsets[s->gidx * 2], | |
3261 | s->ybase - s->cmp->offsets[s->gidx * 2 + 1], | |
3262 | s->char2b + i, 1); | |
06a2c219 GM |
3263 | } |
3264 | } | |
3265 | ||
3266 | ||
80c32bcc GM |
3267 | #ifdef USE_X_TOOLKIT |
3268 | ||
3e71d8f2 | 3269 | static struct frame *x_frame_of_widget P_ ((Widget)); |
651f03b6 GM |
3270 | static Boolean cvt_string_to_pixel P_ ((Display *, XrmValue *, Cardinal *, |
3271 | XrmValue *, XrmValue *, XtPointer *)); | |
3272 | static void cvt_pixel_dtor P_ ((XtAppContext, XrmValue *, XtPointer, | |
3273 | XrmValue *, Cardinal *)); | |
80c32bcc | 3274 | |
3e71d8f2 GM |
3275 | |
3276 | /* Return the frame on which widget WIDGET is used.. Abort if frame | |
3277 | cannot be determined. */ | |
3278 | ||
e851c833 | 3279 | static struct frame * |
3e71d8f2 | 3280 | x_frame_of_widget (widget) |
80c32bcc | 3281 | Widget widget; |
80c32bcc | 3282 | { |
80c32bcc | 3283 | struct x_display_info *dpyinfo; |
5c187dee | 3284 | Lisp_Object tail; |
3e71d8f2 | 3285 | struct frame *f; |
7d0393cf | 3286 | |
80c32bcc | 3287 | dpyinfo = x_display_info_for_display (XtDisplay (widget)); |
7d0393cf | 3288 | |
80c32bcc GM |
3289 | /* Find the top-level shell of the widget. Note that this function |
3290 | can be called when the widget is not yet realized, so XtWindow | |
3291 | (widget) == 0. That's the reason we can't simply use | |
3292 | x_any_window_to_frame. */ | |
3293 | while (!XtIsTopLevelShell (widget)) | |
3294 | widget = XtParent (widget); | |
3295 | ||
3296 | /* Look for a frame with that top-level widget. Allocate the color | |
3297 | on that frame to get the right gamma correction value. */ | |
3298 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) | |
3299 | if (GC_FRAMEP (XCAR (tail)) | |
3300 | && (f = XFRAME (XCAR (tail)), | |
3301 | (f->output_data.nothing != 1 | |
3302 | && FRAME_X_DISPLAY_INFO (f) == dpyinfo)) | |
3303 | && f->output_data.x->widget == widget) | |
3e71d8f2 | 3304 | return f; |
80c32bcc GM |
3305 | |
3306 | abort (); | |
3307 | } | |
3308 | ||
3e71d8f2 GM |
3309 | |
3310 | /* Allocate the color COLOR->pixel on the screen and display of | |
3311 | widget WIDGET in colormap CMAP. If an exact match cannot be | |
3312 | allocated, try the nearest color available. Value is non-zero | |
3313 | if successful. This is called from lwlib. */ | |
3314 | ||
3315 | int | |
3316 | x_alloc_nearest_color_for_widget (widget, cmap, color) | |
3317 | Widget widget; | |
3318 | Colormap cmap; | |
3319 | XColor *color; | |
3320 | { | |
3321 | struct frame *f = x_frame_of_widget (widget); | |
3322 | return x_alloc_nearest_color (f, cmap, color); | |
3323 | } | |
3324 | ||
3325 | ||
46d516e5 MB |
3326 | /* Allocate a color which is lighter or darker than *PIXEL by FACTOR |
3327 | or DELTA. Try a color with RGB values multiplied by FACTOR first. | |
3328 | If this produces the same color as PIXEL, try a color where all RGB | |
3329 | values have DELTA added. Return the allocated color in *PIXEL. | |
3330 | DISPLAY is the X display, CMAP is the colormap to operate on. | |
3331 | Value is non-zero if successful. */ | |
3332 | ||
3333 | int | |
3334 | x_alloc_lighter_color_for_widget (widget, display, cmap, pixel, factor, delta) | |
3335 | Widget widget; | |
3336 | Display *display; | |
3337 | Colormap cmap; | |
3338 | unsigned long *pixel; | |
3339 | double factor; | |
3340 | int delta; | |
3341 | { | |
3342 | struct frame *f = x_frame_of_widget (widget); | |
3343 | return x_alloc_lighter_color (f, display, cmap, pixel, factor, delta); | |
3344 | } | |
3345 | ||
3346 | ||
651f03b6 GM |
3347 | /* Structure specifying which arguments should be passed by Xt to |
3348 | cvt_string_to_pixel. We want the widget's screen and colormap. */ | |
3349 | ||
3350 | static XtConvertArgRec cvt_string_to_pixel_args[] = | |
3351 | { | |
3352 | {XtWidgetBaseOffset, (XtPointer) XtOffset (Widget, core.screen), | |
3353 | sizeof (Screen *)}, | |
3354 | {XtWidgetBaseOffset, (XtPointer) XtOffset (Widget, core.colormap), | |
3355 | sizeof (Colormap)} | |
3356 | }; | |
3357 | ||
3358 | ||
3359 | /* The address of this variable is returned by | |
3360 | cvt_string_to_pixel. */ | |
3361 | ||
3362 | static Pixel cvt_string_to_pixel_value; | |
3363 | ||
3364 | ||
3365 | /* Convert a color name to a pixel color. | |
3366 | ||
3367 | DPY is the display we are working on. | |
3368 | ||
3369 | ARGS is an array of *NARGS XrmValue structures holding additional | |
3370 | information about the widget for which the conversion takes place. | |
3371 | The contents of this array are determined by the specification | |
3372 | in cvt_string_to_pixel_args. | |
3373 | ||
3374 | FROM is a pointer to an XrmValue which points to the color name to | |
3375 | convert. TO is an XrmValue in which to return the pixel color. | |
3376 | ||
3377 | CLOSURE_RET is a pointer to user-data, in which we record if | |
3378 | we allocated the color or not. | |
3379 | ||
3380 | Value is True if successful, False otherwise. */ | |
3381 | ||
3382 | static Boolean | |
3383 | cvt_string_to_pixel (dpy, args, nargs, from, to, closure_ret) | |
3384 | Display *dpy; | |
3385 | XrmValue *args; | |
3386 | Cardinal *nargs; | |
3387 | XrmValue *from, *to; | |
3388 | XtPointer *closure_ret; | |
3389 | { | |
3390 | Screen *screen; | |
3391 | Colormap cmap; | |
3392 | Pixel pixel; | |
3393 | String color_name; | |
3394 | XColor color; | |
3395 | ||
3396 | if (*nargs != 2) | |
3397 | { | |
3398 | XtAppWarningMsg (XtDisplayToApplicationContext (dpy), | |
3399 | "wrongParameters", "cvt_string_to_pixel", | |
3400 | "XtToolkitError", | |
3401 | "Screen and colormap args required", NULL, NULL); | |
3402 | return False; | |
3403 | } | |
3404 | ||
3405 | screen = *(Screen **) args[0].addr; | |
3406 | cmap = *(Colormap *) args[1].addr; | |
3407 | color_name = (String) from->addr; | |
3408 | ||
3409 | if (strcmp (color_name, XtDefaultBackground) == 0) | |
3410 | { | |
3411 | *closure_ret = (XtPointer) False; | |
3412 | pixel = WhitePixelOfScreen (screen); | |
3413 | } | |
3414 | else if (strcmp (color_name, XtDefaultForeground) == 0) | |
3415 | { | |
3416 | *closure_ret = (XtPointer) False; | |
3417 | pixel = BlackPixelOfScreen (screen); | |
3418 | } | |
3419 | else if (XParseColor (dpy, cmap, color_name, &color) | |
3420 | && x_alloc_nearest_color_1 (dpy, cmap, &color)) | |
3421 | { | |
3422 | pixel = color.pixel; | |
3423 | *closure_ret = (XtPointer) True; | |
3424 | } | |
3425 | else | |
3426 | { | |
3427 | String params[1]; | |
3428 | Cardinal nparams = 1; | |
7d0393cf | 3429 | |
651f03b6 GM |
3430 | params[0] = color_name; |
3431 | XtAppWarningMsg (XtDisplayToApplicationContext (dpy), | |
3432 | "badValue", "cvt_string_to_pixel", | |
3433 | "XtToolkitError", "Invalid color `%s'", | |
3434 | params, &nparams); | |
3435 | return False; | |
3436 | } | |
3437 | ||
3438 | if (to->addr != NULL) | |
3439 | { | |
3440 | if (to->size < sizeof (Pixel)) | |
3441 | { | |
3442 | to->size = sizeof (Pixel); | |
3443 | return False; | |
3444 | } | |
7d0393cf | 3445 | |
651f03b6 GM |
3446 | *(Pixel *) to->addr = pixel; |
3447 | } | |
3448 | else | |
3449 | { | |
3450 | cvt_string_to_pixel_value = pixel; | |
3451 | to->addr = (XtPointer) &cvt_string_to_pixel_value; | |
3452 | } | |
7d0393cf | 3453 | |
651f03b6 GM |
3454 | to->size = sizeof (Pixel); |
3455 | return True; | |
3456 | } | |
3457 | ||
3458 | ||
3459 | /* Free a pixel color which was previously allocated via | |
3460 | cvt_string_to_pixel. This is registered as the destructor | |
3461 | for this type of resource via XtSetTypeConverter. | |
3462 | ||
3463 | APP is the application context in which we work. | |
3464 | ||
3465 | TO is a pointer to an XrmValue holding the color to free. | |
3466 | CLOSURE is the value we stored in CLOSURE_RET for this color | |
3467 | in cvt_string_to_pixel. | |
3468 | ||
3469 | ARGS and NARGS are like for cvt_string_to_pixel. */ | |
3470 | ||
3471 | static void | |
3472 | cvt_pixel_dtor (app, to, closure, args, nargs) | |
3473 | XtAppContext app; | |
3474 | XrmValuePtr to; | |
3475 | XtPointer closure; | |
3476 | XrmValuePtr args; | |
3477 | Cardinal *nargs; | |
3478 | { | |
3479 | if (*nargs != 2) | |
3480 | { | |
3481 | XtAppWarningMsg (app, "wrongParameters", "cvt_pixel_dtor", | |
3482 | "XtToolkitError", | |
3483 | "Screen and colormap arguments required", | |
3484 | NULL, NULL); | |
3485 | } | |
3486 | else if (closure != NULL) | |
3487 | { | |
3488 | /* We did allocate the pixel, so free it. */ | |
3489 | Screen *screen = *(Screen **) args[0].addr; | |
3490 | Colormap cmap = *(Colormap *) args[1].addr; | |
3491 | x_free_dpy_colors (DisplayOfScreen (screen), screen, cmap, | |
97762eb7 | 3492 | (Pixel *) to->addr, 1); |
651f03b6 GM |
3493 | } |
3494 | } | |
3495 | ||
3496 | ||
80c32bcc GM |
3497 | #endif /* USE_X_TOOLKIT */ |
3498 | ||
3499 | ||
f04e1297 | 3500 | /* Value is an array of XColor structures for the contents of the |
651f03b6 | 3501 | color map of display DPY. Set *NCELLS to the size of the array. |
f04e1297 GM |
3502 | Note that this probably shouldn't be called for large color maps, |
3503 | say a 24-bit TrueColor map. */ | |
3504 | ||
3505 | static const XColor * | |
651f03b6 GM |
3506 | x_color_cells (dpy, ncells) |
3507 | Display *dpy; | |
f04e1297 GM |
3508 | int *ncells; |
3509 | { | |
651f03b6 | 3510 | struct x_display_info *dpyinfo = x_display_info_for_display (dpy); |
f04e1297 GM |
3511 | |
3512 | if (dpyinfo->color_cells == NULL) | |
3513 | { | |
651f03b6 | 3514 | Screen *screen = dpyinfo->screen; |
f04e1297 | 3515 | int i; |
7d0393cf | 3516 | |
f04e1297 | 3517 | dpyinfo->ncolor_cells |
651f03b6 | 3518 | = XDisplayCells (dpy, XScreenNumberOfScreen (screen)); |
f04e1297 GM |
3519 | dpyinfo->color_cells |
3520 | = (XColor *) xmalloc (dpyinfo->ncolor_cells | |
3521 | * sizeof *dpyinfo->color_cells); | |
7d0393cf | 3522 | |
f04e1297 GM |
3523 | for (i = 0; i < dpyinfo->ncolor_cells; ++i) |
3524 | dpyinfo->color_cells[i].pixel = i; | |
7d0393cf | 3525 | |
651f03b6 | 3526 | XQueryColors (dpy, dpyinfo->cmap, |
f04e1297 GM |
3527 | dpyinfo->color_cells, dpyinfo->ncolor_cells); |
3528 | } | |
3529 | ||
3530 | *ncells = dpyinfo->ncolor_cells; | |
3531 | return dpyinfo->color_cells; | |
3532 | } | |
3533 | ||
3534 | ||
3535 | /* On frame F, translate pixel colors to RGB values for the NCOLORS | |
3536 | colors in COLORS. Use cached information, if available. */ | |
3537 | ||
3538 | void | |
3539 | x_query_colors (f, colors, ncolors) | |
3540 | struct frame *f; | |
3541 | XColor *colors; | |
3542 | int ncolors; | |
3543 | { | |
3544 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
3545 | ||
3546 | if (dpyinfo->color_cells) | |
3547 | { | |
3548 | int i; | |
3549 | for (i = 0; i < ncolors; ++i) | |
3550 | { | |
3551 | unsigned long pixel = colors[i].pixel; | |
3552 | xassert (pixel < dpyinfo->ncolor_cells); | |
3553 | xassert (dpyinfo->color_cells[pixel].pixel == pixel); | |
3554 | colors[i] = dpyinfo->color_cells[pixel]; | |
3555 | } | |
3556 | } | |
3557 | else | |
3558 | XQueryColors (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), colors, ncolors); | |
3559 | } | |
3560 | ||
3561 | ||
3562 | /* On frame F, translate pixel color to RGB values for the color in | |
3563 | COLOR. Use cached information, if available. */ | |
3564 | ||
3565 | void | |
3566 | x_query_color (f, color) | |
3567 | struct frame *f; | |
3568 | XColor *color; | |
3569 | { | |
3570 | x_query_colors (f, color, 1); | |
3571 | } | |
7d0393cf | 3572 | |
f04e1297 | 3573 | |
651f03b6 GM |
3574 | /* Allocate the color COLOR->pixel on DISPLAY, colormap CMAP. If an |
3575 | exact match can't be allocated, try the nearest color available. | |
3576 | Value is non-zero if successful. Set *COLOR to the color | |
3577 | allocated. */ | |
06a2c219 | 3578 | |
651f03b6 GM |
3579 | static int |
3580 | x_alloc_nearest_color_1 (dpy, cmap, color) | |
3581 | Display *dpy; | |
06a2c219 GM |
3582 | Colormap cmap; |
3583 | XColor *color; | |
3584 | { | |
80c32bcc GM |
3585 | int rc; |
3586 | ||
651f03b6 | 3587 | rc = XAllocColor (dpy, cmap, color); |
06a2c219 GM |
3588 | if (rc == 0) |
3589 | { | |
3590 | /* If we got to this point, the colormap is full, so we're going | |
3591 | to try to get the next closest color. The algorithm used is | |
3592 | a least-squares matching, which is what X uses for closest | |
3593 | color matching with StaticColor visuals. */ | |
3594 | int nearest, i; | |
3595 | unsigned long nearest_delta = ~0; | |
f04e1297 | 3596 | int ncells; |
651f03b6 | 3597 | const XColor *cells = x_color_cells (dpy, &ncells); |
06a2c219 GM |
3598 | |
3599 | for (nearest = i = 0; i < ncells; ++i) | |
3600 | { | |
3601 | long dred = (color->red >> 8) - (cells[i].red >> 8); | |
3602 | long dgreen = (color->green >> 8) - (cells[i].green >> 8); | |
3603 | long dblue = (color->blue >> 8) - (cells[i].blue >> 8); | |
3604 | unsigned long delta = dred * dred + dgreen * dgreen + dblue * dblue; | |
3605 | ||
3606 | if (delta < nearest_delta) | |
3607 | { | |
3608 | nearest = i; | |
3609 | nearest_delta = delta; | |
3610 | } | |
3611 | } | |
7d0393cf | 3612 | |
06a2c219 GM |
3613 | color->red = cells[nearest].red; |
3614 | color->green = cells[nearest].green; | |
3615 | color->blue = cells[nearest].blue; | |
651f03b6 | 3616 | rc = XAllocColor (dpy, cmap, color); |
06a2c219 | 3617 | } |
35efe0a1 GM |
3618 | else |
3619 | { | |
3620 | /* If allocation succeeded, and the allocated pixel color is not | |
3621 | equal to a cached pixel color recorded earlier, there was a | |
3622 | change in the colormap, so clear the color cache. */ | |
651f03b6 | 3623 | struct x_display_info *dpyinfo = x_display_info_for_display (dpy); |
35efe0a1 | 3624 | XColor *cached_color; |
7d0393cf | 3625 | |
35efe0a1 GM |
3626 | if (dpyinfo->color_cells |
3627 | && (cached_color = &dpyinfo->color_cells[color->pixel], | |
cae71efe GM |
3628 | (cached_color->red != color->red |
3629 | || cached_color->blue != color->blue | |
3630 | || cached_color->green != color->green))) | |
35efe0a1 GM |
3631 | { |
3632 | xfree (dpyinfo->color_cells); | |
3633 | dpyinfo->color_cells = NULL; | |
3634 | dpyinfo->ncolor_cells = 0; | |
3635 | } | |
3636 | } | |
06a2c219 | 3637 | |
d9c545da GM |
3638 | #ifdef DEBUG_X_COLORS |
3639 | if (rc) | |
3640 | register_color (color->pixel); | |
3641 | #endif /* DEBUG_X_COLORS */ | |
7d0393cf | 3642 | |
06a2c219 GM |
3643 | return rc; |
3644 | } | |
3645 | ||
3646 | ||
651f03b6 GM |
3647 | /* Allocate the color COLOR->pixel on frame F, colormap CMAP. If an |
3648 | exact match can't be allocated, try the nearest color available. | |
3649 | Value is non-zero if successful. Set *COLOR to the color | |
3650 | allocated. */ | |
3651 | ||
3652 | int | |
3653 | x_alloc_nearest_color (f, cmap, color) | |
3654 | struct frame *f; | |
3655 | Colormap cmap; | |
3656 | XColor *color; | |
3657 | { | |
3658 | gamma_correct (f, color); | |
3659 | return x_alloc_nearest_color_1 (FRAME_X_DISPLAY (f), cmap, color); | |
3660 | } | |
3661 | ||
3662 | ||
d9c545da GM |
3663 | /* Allocate color PIXEL on frame F. PIXEL must already be allocated. |
3664 | It's necessary to do this instead of just using PIXEL directly to | |
3665 | get color reference counts right. */ | |
3666 | ||
3667 | unsigned long | |
3668 | x_copy_color (f, pixel) | |
3669 | struct frame *f; | |
3670 | unsigned long pixel; | |
3671 | { | |
3672 | XColor color; | |
3673 | ||
3674 | color.pixel = pixel; | |
3675 | BLOCK_INPUT; | |
f04e1297 | 3676 | x_query_color (f, &color); |
d9c545da GM |
3677 | XAllocColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), &color); |
3678 | UNBLOCK_INPUT; | |
3679 | #ifdef DEBUG_X_COLORS | |
3680 | register_color (pixel); | |
3681 | #endif | |
3682 | return color.pixel; | |
3683 | } | |
3684 | ||
3685 | ||
3e71d8f2 GM |
3686 | /* Allocate color PIXEL on display DPY. PIXEL must already be allocated. |
3687 | It's necessary to do this instead of just using PIXEL directly to | |
3688 | get color reference counts right. */ | |
3689 | ||
3690 | unsigned long | |
3691 | x_copy_dpy_color (dpy, cmap, pixel) | |
3692 | Display *dpy; | |
3693 | Colormap cmap; | |
3694 | unsigned long pixel; | |
3695 | { | |
3696 | XColor color; | |
3697 | ||
3698 | color.pixel = pixel; | |
3699 | BLOCK_INPUT; | |
3700 | XQueryColor (dpy, cmap, &color); | |
3701 | XAllocColor (dpy, cmap, &color); | |
3702 | UNBLOCK_INPUT; | |
3703 | #ifdef DEBUG_X_COLORS | |
3704 | register_color (pixel); | |
3705 | #endif | |
3706 | return color.pixel; | |
3707 | } | |
3708 | ||
3709 | ||
6d8b0acd | 3710 | /* Brightness beyond which a color won't have its highlight brightness |
d7361edf | 3711 | boosted. |
6d8b0acd | 3712 | |
d7361edf MB |
3713 | Nominally, highlight colors for `3d' faces are calculated by |
3714 | brightening an object's color by a constant scale factor, but this | |
3715 | doesn't yield good results for dark colors, so for colors who's | |
3716 | brightness is less than this value (on a scale of 0-65535) have an | |
3717 | use an additional additive factor. | |
6d8b0acd MB |
3718 | |
3719 | The value here is set so that the default menu-bar/mode-line color | |
3720 | (grey75) will not have its highlights changed at all. */ | |
3721 | #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 48000 | |
3722 | ||
3723 | ||
06a2c219 GM |
3724 | /* Allocate a color which is lighter or darker than *PIXEL by FACTOR |
3725 | or DELTA. Try a color with RGB values multiplied by FACTOR first. | |
3726 | If this produces the same color as PIXEL, try a color where all RGB | |
3727 | values have DELTA added. Return the allocated color in *PIXEL. | |
3728 | DISPLAY is the X display, CMAP is the colormap to operate on. | |
3729 | Value is non-zero if successful. */ | |
3730 | ||
3731 | static int | |
3732 | x_alloc_lighter_color (f, display, cmap, pixel, factor, delta) | |
3733 | struct frame *f; | |
3734 | Display *display; | |
3735 | Colormap cmap; | |
3736 | unsigned long *pixel; | |
68c45bf0 | 3737 | double factor; |
06a2c219 GM |
3738 | int delta; |
3739 | { | |
3740 | XColor color, new; | |
6d8b0acd | 3741 | long bright; |
06a2c219 GM |
3742 | int success_p; |
3743 | ||
3744 | /* Get RGB color values. */ | |
3745 | color.pixel = *pixel; | |
f04e1297 | 3746 | x_query_color (f, &color); |
06a2c219 GM |
3747 | |
3748 | /* Change RGB values by specified FACTOR. Avoid overflow! */ | |
3749 | xassert (factor >= 0); | |
3750 | new.red = min (0xffff, factor * color.red); | |
3751 | new.green = min (0xffff, factor * color.green); | |
3752 | new.blue = min (0xffff, factor * color.blue); | |
3753 | ||
d7361edf MB |
3754 | /* Calculate brightness of COLOR. */ |
3755 | bright = (2 * color.red + 3 * color.green + color.blue) / 6; | |
6d8b0acd MB |
3756 | |
3757 | /* We only boost colors that are darker than | |
3758 | HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */ | |
3759 | if (bright < HIGHLIGHT_COLOR_DARK_BOOST_LIMIT) | |
3760 | /* Make an additive adjustment to NEW, because it's dark enough so | |
3761 | that scaling by FACTOR alone isn't enough. */ | |
3762 | { | |
3763 | /* How far below the limit this color is (0 - 1, 1 being darker). */ | |
3764 | double dimness = 1 - (double)bright / HIGHLIGHT_COLOR_DARK_BOOST_LIMIT; | |
3765 | /* The additive adjustment. */ | |
d7361edf | 3766 | int min_delta = delta * dimness * factor / 2; |
6d8b0acd MB |
3767 | |
3768 | if (factor < 1) | |
3769 | { | |
6d8b0acd MB |
3770 | new.red = max (0, new.red - min_delta); |
3771 | new.green = max (0, new.green - min_delta); | |
3772 | new.blue = max (0, new.blue - min_delta); | |
3773 | } | |
3774 | else | |
3775 | { | |
3776 | new.red = min (0xffff, min_delta + new.red); | |
3777 | new.green = min (0xffff, min_delta + new.green); | |
3778 | new.blue = min (0xffff, min_delta + new.blue); | |
3779 | } | |
3780 | } | |
3781 | ||
06a2c219 | 3782 | /* Try to allocate the color. */ |
80c32bcc | 3783 | success_p = x_alloc_nearest_color (f, cmap, &new); |
06a2c219 GM |
3784 | if (success_p) |
3785 | { | |
3786 | if (new.pixel == *pixel) | |
3787 | { | |
3788 | /* If we end up with the same color as before, try adding | |
3789 | delta to the RGB values. */ | |
0d605c67 | 3790 | x_free_colors (f, &new.pixel, 1); |
7d0393cf | 3791 | |
06a2c219 GM |
3792 | new.red = min (0xffff, delta + color.red); |
3793 | new.green = min (0xffff, delta + color.green); | |
3794 | new.blue = min (0xffff, delta + color.blue); | |
80c32bcc | 3795 | success_p = x_alloc_nearest_color (f, cmap, &new); |
06a2c219 GM |
3796 | } |
3797 | else | |
3798 | success_p = 1; | |
3799 | *pixel = new.pixel; | |
3800 | } | |
7d0393cf | 3801 | |
06a2c219 GM |
3802 | return success_p; |
3803 | } | |
3804 | ||
3805 | ||
3806 | /* Set up the foreground color for drawing relief lines of glyph | |
3807 | string S. RELIEF is a pointer to a struct relief containing the GC | |
3808 | with which lines will be drawn. Use a color that is FACTOR or | |
3809 | DELTA lighter or darker than the relief's background which is found | |
3810 | in S->f->output_data.x->relief_background. If such a color cannot | |
3811 | be allocated, use DEFAULT_PIXEL, instead. */ | |
7d0393cf | 3812 | |
06a2c219 GM |
3813 | static void |
3814 | x_setup_relief_color (f, relief, factor, delta, default_pixel) | |
3815 | struct frame *f; | |
3816 | struct relief *relief; | |
68c45bf0 | 3817 | double factor; |
06a2c219 GM |
3818 | int delta; |
3819 | unsigned long default_pixel; | |
3820 | { | |
3821 | XGCValues xgcv; | |
3822 | struct x_output *di = f->output_data.x; | |
3823 | unsigned long mask = GCForeground | GCLineWidth | GCGraphicsExposures; | |
3824 | unsigned long pixel; | |
3825 | unsigned long background = di->relief_background; | |
43bd1b2b | 3826 | Colormap cmap = FRAME_X_COLORMAP (f); |
dcd08bfb GM |
3827 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
3828 | Display *dpy = FRAME_X_DISPLAY (f); | |
06a2c219 GM |
3829 | |
3830 | xgcv.graphics_exposures = False; | |
3831 | xgcv.line_width = 1; | |
3832 | ||
3833 | /* Free previously allocated color. The color cell will be reused | |
3834 | when it has been freed as many times as it was allocated, so this | |
3835 | doesn't affect faces using the same colors. */ | |
3836 | if (relief->gc | |
3837 | && relief->allocated_p) | |
3838 | { | |
0d605c67 | 3839 | x_free_colors (f, &relief->pixel, 1); |
06a2c219 GM |
3840 | relief->allocated_p = 0; |
3841 | } | |
3842 | ||
3843 | /* Allocate new color. */ | |
3844 | xgcv.foreground = default_pixel; | |
3845 | pixel = background; | |
dcd08bfb GM |
3846 | if (dpyinfo->n_planes != 1 |
3847 | && x_alloc_lighter_color (f, dpy, cmap, &pixel, factor, delta)) | |
06a2c219 GM |
3848 | { |
3849 | relief->allocated_p = 1; | |
3850 | xgcv.foreground = relief->pixel = pixel; | |
3851 | } | |
7d0393cf | 3852 | |
06a2c219 GM |
3853 | if (relief->gc == 0) |
3854 | { | |
dcd08bfb | 3855 | xgcv.stipple = dpyinfo->gray; |
06a2c219 | 3856 | mask |= GCStipple; |
dcd08bfb | 3857 | relief->gc = XCreateGC (dpy, FRAME_X_WINDOW (f), mask, &xgcv); |
06a2c219 GM |
3858 | } |
3859 | else | |
dcd08bfb | 3860 | XChangeGC (dpy, relief->gc, mask, &xgcv); |
06a2c219 GM |
3861 | } |
3862 | ||
3863 | ||
3864 | /* Set up colors for the relief lines around glyph string S. */ | |
3865 | ||
3866 | static void | |
3867 | x_setup_relief_colors (s) | |
3868 | struct glyph_string *s; | |
3869 | { | |
3870 | struct x_output *di = s->f->output_data.x; | |
3871 | unsigned long color; | |
3872 | ||
3873 | if (s->face->use_box_color_for_shadows_p) | |
3874 | color = s->face->box_color; | |
e2a57b34 | 3875 | else if (s->first_glyph->type == IMAGE_GLYPH |
0cb8bb48 | 3876 | && s->img->pixmap |
e2a57b34 MB |
3877 | && !IMAGE_BACKGROUND_TRANSPARENT (s->img, s->f, 0)) |
3878 | color = IMAGE_BACKGROUND (s->img, s->f, 0); | |
06a2c219 GM |
3879 | else |
3880 | { | |
3881 | XGCValues xgcv; | |
7d0393cf | 3882 | |
06a2c219 GM |
3883 | /* Get the background color of the face. */ |
3884 | XGetGCValues (s->display, s->gc, GCBackground, &xgcv); | |
3885 | color = xgcv.background; | |
3886 | } | |
3887 | ||
3888 | if (di->white_relief.gc == 0 | |
3889 | || color != di->relief_background) | |
3890 | { | |
3891 | di->relief_background = color; | |
3892 | x_setup_relief_color (s->f, &di->white_relief, 1.2, 0x8000, | |
3893 | WHITE_PIX_DEFAULT (s->f)); | |
3894 | x_setup_relief_color (s->f, &di->black_relief, 0.6, 0x4000, | |
3895 | BLACK_PIX_DEFAULT (s->f)); | |
3896 | } | |
3897 | } | |
3898 | ||
3899 | ||
3900 | /* Draw a relief on frame F inside the rectangle given by LEFT_X, | |
3901 | TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief | |
3902 | to draw, it must be >= 0. RAISED_P non-zero means draw a raised | |
3903 | relief. LEFT_P non-zero means draw a relief on the left side of | |
3904 | the rectangle. RIGHT_P non-zero means draw a relief on the right | |
3905 | side of the rectangle. CLIP_RECT is the clipping rectangle to use | |
3906 | when drawing. */ | |
3907 | ||
3908 | static void | |
3909 | x_draw_relief_rect (f, left_x, top_y, right_x, bottom_y, width, | |
3910 | raised_p, left_p, right_p, clip_rect) | |
3911 | struct frame *f; | |
3912 | int left_x, top_y, right_x, bottom_y, left_p, right_p, raised_p; | |
3913 | XRectangle *clip_rect; | |
3914 | { | |
de507556 GM |
3915 | Display *dpy = FRAME_X_DISPLAY (f); |
3916 | Window window = FRAME_X_WINDOW (f); | |
06a2c219 GM |
3917 | int i; |
3918 | GC gc; | |
7d0393cf | 3919 | |
06a2c219 GM |
3920 | if (raised_p) |
3921 | gc = f->output_data.x->white_relief.gc; | |
3922 | else | |
3923 | gc = f->output_data.x->black_relief.gc; | |
de507556 | 3924 | XSetClipRectangles (dpy, gc, 0, 0, clip_rect, 1, Unsorted); |
06a2c219 GM |
3925 | |
3926 | /* Top. */ | |
3927 | for (i = 0; i < width; ++i) | |
de507556 | 3928 | XDrawLine (dpy, window, gc, |
06a2c219 GM |
3929 | left_x + i * left_p, top_y + i, |
3930 | right_x + 1 - i * right_p, top_y + i); | |
3931 | ||
3932 | /* Left. */ | |
3933 | if (left_p) | |
3934 | for (i = 0; i < width; ++i) | |
de507556 | 3935 | XDrawLine (dpy, window, gc, |
44655e77 | 3936 | left_x + i, top_y + i, left_x + i, bottom_y - i + 1); |
06a2c219 | 3937 | |
de507556 | 3938 | XSetClipMask (dpy, gc, None); |
06a2c219 GM |
3939 | if (raised_p) |
3940 | gc = f->output_data.x->black_relief.gc; | |
3941 | else | |
3942 | gc = f->output_data.x->white_relief.gc; | |
de507556 | 3943 | XSetClipRectangles (dpy, gc, 0, 0, clip_rect, 1, Unsorted); |
7d0393cf | 3944 | |
06a2c219 GM |
3945 | /* Bottom. */ |
3946 | for (i = 0; i < width; ++i) | |
de507556 GM |
3947 | XDrawLine (dpy, window, gc, |
3948 | left_x + i * left_p, bottom_y - i, | |
327f42ee | 3949 | right_x + 1 - i * right_p, bottom_y - i); |
7d0393cf | 3950 | |
06a2c219 GM |
3951 | /* Right. */ |
3952 | if (right_p) | |
3953 | for (i = 0; i < width; ++i) | |
de507556 | 3954 | XDrawLine (dpy, window, gc, |
06a2c219 GM |
3955 | right_x - i, top_y + i + 1, right_x - i, bottom_y - i); |
3956 | ||
de507556 | 3957 | XSetClipMask (dpy, gc, None); |
06a2c219 GM |
3958 | } |
3959 | ||
3960 | ||
3961 | /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y, | |
3962 | RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to | |
3963 | draw, it must be >= 0. LEFT_P non-zero means draw a line on the | |
3964 | left side of the rectangle. RIGHT_P non-zero means draw a line | |
3965 | on the right side of the rectangle. CLIP_RECT is the clipping | |
3966 | rectangle to use when drawing. */ | |
3967 | ||
3968 | static void | |
3969 | x_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, | |
3970 | left_p, right_p, clip_rect) | |
3971 | struct glyph_string *s; | |
3972 | int left_x, top_y, right_x, bottom_y, left_p, right_p; | |
3973 | XRectangle *clip_rect; | |
3974 | { | |
3975 | XGCValues xgcv; | |
7d0393cf | 3976 | |
06a2c219 GM |
3977 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); |
3978 | XSetForeground (s->display, s->gc, s->face->box_color); | |
3979 | XSetClipRectangles (s->display, s->gc, 0, 0, clip_rect, 1, Unsorted); | |
7d0393cf | 3980 | |
06a2c219 GM |
3981 | /* Top. */ |
3982 | XFillRectangle (s->display, s->window, s->gc, | |
58e4fce8 | 3983 | left_x, top_y, right_x - left_x + 1, width); |
06a2c219 GM |
3984 | |
3985 | /* Left. */ | |
3986 | if (left_p) | |
3987 | XFillRectangle (s->display, s->window, s->gc, | |
58e4fce8 | 3988 | left_x, top_y, width, bottom_y - top_y + 1); |
06a2c219 GM |
3989 | |
3990 | /* Bottom. */ | |
3991 | XFillRectangle (s->display, s->window, s->gc, | |
58e4fce8 | 3992 | left_x, bottom_y - width + 1, right_x - left_x + 1, width); |
7d0393cf | 3993 | |
06a2c219 GM |
3994 | /* Right. */ |
3995 | if (right_p) | |
3996 | XFillRectangle (s->display, s->window, s->gc, | |
58e4fce8 | 3997 | right_x - width + 1, top_y, width, bottom_y - top_y + 1); |
06a2c219 GM |
3998 | |
3999 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
4000 | XSetClipMask (s->display, s->gc, None); | |
4001 | } | |
4002 | ||
4003 | ||
4004 | /* Draw a box around glyph string S. */ | |
4005 | ||
4006 | static void | |
4007 | x_draw_glyph_string_box (s) | |
4008 | struct glyph_string *s; | |
4009 | { | |
4010 | int width, left_x, right_x, top_y, bottom_y, last_x, raised_p; | |
4011 | int left_p, right_p; | |
4012 | struct glyph *last_glyph; | |
4013 | XRectangle clip_rect; | |
4014 | ||
4015 | last_x = window_box_right (s->w, s->area); | |
4016 | if (s->row->full_width_p | |
4017 | && !s->w->pseudo_window_p) | |
4018 | { | |
3f332ef3 | 4019 | last_x += FRAME_X_RIGHT_FRINGE_WIDTH (s->f); |
06a2c219 GM |
4020 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (s->f)) |
4021 | last_x += FRAME_SCROLL_BAR_WIDTH (s->f) * CANON_X_UNIT (s->f); | |
4022 | } | |
7d0393cf | 4023 | |
06a2c219 | 4024 | /* The glyph that may have a right box line. */ |
b4192550 | 4025 | last_glyph = (s->cmp || s->img |
06a2c219 GM |
4026 | ? s->first_glyph |
4027 | : s->first_glyph + s->nchars - 1); | |
4028 | ||
ea2ba0d4 | 4029 | width = abs (s->face->box_line_width); |
06a2c219 GM |
4030 | raised_p = s->face->box == FACE_RAISED_BOX; |
4031 | left_x = s->x; | |
57ac7c81 GM |
4032 | right_x = (s->row->full_width_p && s->extends_to_end_of_line_p |
4033 | ? last_x - 1 | |
4034 | : min (last_x, s->x + s->background_width) - 1); | |
06a2c219 GM |
4035 | top_y = s->y; |
4036 | bottom_y = top_y + s->height - 1; | |
4037 | ||
4038 | left_p = (s->first_glyph->left_box_line_p | |
4039 | || (s->hl == DRAW_MOUSE_FACE | |
4040 | && (s->prev == NULL | |
4041 | || s->prev->hl != s->hl))); | |
4042 | right_p = (last_glyph->right_box_line_p | |
4043 | || (s->hl == DRAW_MOUSE_FACE | |
4044 | && (s->next == NULL | |
4045 | || s->next->hl != s->hl))); | |
327f42ee | 4046 | |
06a2c219 GM |
4047 | x_get_glyph_string_clip_rect (s, &clip_rect); |
4048 | ||
4049 | if (s->face->box == FACE_SIMPLE_BOX) | |
4050 | x_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, | |
4051 | left_p, right_p, &clip_rect); | |
4052 | else | |
4053 | { | |
4054 | x_setup_relief_colors (s); | |
4055 | x_draw_relief_rect (s->f, left_x, top_y, right_x, bottom_y, | |
4056 | width, raised_p, left_p, right_p, &clip_rect); | |
4057 | } | |
4058 | } | |
4059 | ||
4060 | ||
4061 | /* Draw foreground of image glyph string S. */ | |
4062 | ||
4063 | static void | |
4064 | x_draw_image_foreground (s) | |
4065 | struct glyph_string *s; | |
4066 | { | |
4067 | int x; | |
95af8492 | 4068 | int y = s->ybase - image_ascent (s->img, s->face); |
06a2c219 GM |
4069 | |
4070 | /* If first glyph of S has a left box line, start drawing it to the | |
4071 | right of that line. */ | |
4072 | if (s->face->box != FACE_NO_BOX | |
4073 | && s->first_glyph->left_box_line_p) | |
ea2ba0d4 | 4074 | x = s->x + abs (s->face->box_line_width); |
06a2c219 GM |
4075 | else |
4076 | x = s->x; | |
4077 | ||
4078 | /* If there is a margin around the image, adjust x- and y-position | |
4079 | by that margin. */ | |
22d650b8 GM |
4080 | x += s->img->hmargin; |
4081 | y += s->img->vmargin; | |
06a2c219 GM |
4082 | |
4083 | if (s->img->pixmap) | |
4084 | { | |
4085 | if (s->img->mask) | |
4086 | { | |
4087 | /* We can't set both a clip mask and use XSetClipRectangles | |
4088 | because the latter also sets a clip mask. We also can't | |
4089 | trust on the shape extension to be available | |
4090 | (XShapeCombineRegion). So, compute the rectangle to draw | |
4091 | manually. */ | |
4092 | unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin | |
4093 | | GCFunction); | |
4094 | XGCValues xgcv; | |
4095 | XRectangle clip_rect, image_rect, r; | |
4096 | ||
4097 | xgcv.clip_mask = s->img->mask; | |
4098 | xgcv.clip_x_origin = x; | |
4099 | xgcv.clip_y_origin = y; | |
4100 | xgcv.function = GXcopy; | |
4101 | XChangeGC (s->display, s->gc, mask, &xgcv); | |
7d0393cf | 4102 | |
06a2c219 GM |
4103 | x_get_glyph_string_clip_rect (s, &clip_rect); |
4104 | image_rect.x = x; | |
4105 | image_rect.y = y; | |
4106 | image_rect.width = s->img->width; | |
4107 | image_rect.height = s->img->height; | |
4108 | if (x_intersect_rectangles (&clip_rect, &image_rect, &r)) | |
4109 | XCopyArea (s->display, s->img->pixmap, s->window, s->gc, | |
4110 | r.x - x, r.y - y, r.width, r.height, r.x, r.y); | |
4111 | } | |
4112 | else | |
4113 | { | |
49ad1d99 GM |
4114 | XRectangle clip_rect, image_rect, r; |
4115 | ||
4116 | x_get_glyph_string_clip_rect (s, &clip_rect); | |
4117 | image_rect.x = x; | |
4118 | image_rect.y = y; | |
4119 | image_rect.width = s->img->width; | |
4120 | image_rect.height = s->img->height; | |
4121 | if (x_intersect_rectangles (&clip_rect, &image_rect, &r)) | |
4122 | XCopyArea (s->display, s->img->pixmap, s->window, s->gc, | |
4123 | r.x - x, r.y - y, r.width, r.height, r.x, r.y); | |
7d0393cf | 4124 | |
06a2c219 GM |
4125 | /* When the image has a mask, we can expect that at |
4126 | least part of a mouse highlight or a block cursor will | |
4127 | be visible. If the image doesn't have a mask, make | |
4128 | a block cursor visible by drawing a rectangle around | |
4129 | the image. I believe it's looking better if we do | |
4130 | nothing here for mouse-face. */ | |
4131 | if (s->hl == DRAW_CURSOR) | |
534c20b2 KS |
4132 | { |
4133 | int r = s->img->relief; | |
4134 | if (r < 0) r = -r; | |
4135 | XDrawRectangle (s->display, s->window, s->gc, x - r, y - r, | |
4136 | s->img->width + r*2 - 1, s->img->height + r*2 - 1); | |
4137 | } | |
06a2c219 GM |
4138 | } |
4139 | } | |
4140 | else | |
4141 | /* Draw a rectangle if image could not be loaded. */ | |
4142 | XDrawRectangle (s->display, s->window, s->gc, x, y, | |
4143 | s->img->width - 1, s->img->height - 1); | |
4144 | } | |
4145 | ||
4146 | ||
4147 | /* Draw a relief around the image glyph string S. */ | |
4148 | ||
4149 | static void | |
4150 | x_draw_image_relief (s) | |
4151 | struct glyph_string *s; | |
4152 | { | |
4153 | int x0, y0, x1, y1, thick, raised_p; | |
4154 | XRectangle r; | |
4155 | int x; | |
95af8492 | 4156 | int y = s->ybase - image_ascent (s->img, s->face); |
7d0393cf | 4157 | |
06a2c219 GM |
4158 | /* If first glyph of S has a left box line, start drawing it to the |
4159 | right of that line. */ | |
4160 | if (s->face->box != FACE_NO_BOX | |
4161 | && s->first_glyph->left_box_line_p) | |
ea2ba0d4 | 4162 | x = s->x + abs (s->face->box_line_width); |
06a2c219 GM |
4163 | else |
4164 | x = s->x; | |
7d0393cf | 4165 | |
06a2c219 GM |
4166 | /* If there is a margin around the image, adjust x- and y-position |
4167 | by that margin. */ | |
22d650b8 GM |
4168 | x += s->img->hmargin; |
4169 | y += s->img->vmargin; | |
7d0393cf | 4170 | |
06a2c219 GM |
4171 | if (s->hl == DRAW_IMAGE_SUNKEN |
4172 | || s->hl == DRAW_IMAGE_RAISED) | |
4173 | { | |
62854fe2 | 4174 | thick = tool_bar_button_relief >= 0 ? tool_bar_button_relief : DEFAULT_TOOL_BAR_BUTTON_RELIEF; |
06a2c219 GM |
4175 | raised_p = s->hl == DRAW_IMAGE_RAISED; |
4176 | } | |
4177 | else | |
4178 | { | |
4179 | thick = abs (s->img->relief); | |
4180 | raised_p = s->img->relief > 0; | |
4181 | } | |
7d0393cf | 4182 | |
06a2c219 GM |
4183 | x0 = x - thick; |
4184 | y0 = y - thick; | |
4185 | x1 = x + s->img->width + thick - 1; | |
4186 | y1 = y + s->img->height + thick - 1; | |
7d0393cf | 4187 | |
06a2c219 GM |
4188 | x_setup_relief_colors (s); |
4189 | x_get_glyph_string_clip_rect (s, &r); | |
4190 | x_draw_relief_rect (s->f, x0, y0, x1, y1, thick, raised_p, 1, 1, &r); | |
4191 | } | |
4192 | ||
4193 | ||
4194 | /* Draw the foreground of image glyph string S to PIXMAP. */ | |
4195 | ||
4196 | static void | |
4197 | x_draw_image_foreground_1 (s, pixmap) | |
4198 | struct glyph_string *s; | |
4199 | Pixmap pixmap; | |
4200 | { | |
4201 | int x; | |
95af8492 | 4202 | int y = s->ybase - s->y - image_ascent (s->img, s->face); |
06a2c219 GM |
4203 | |
4204 | /* If first glyph of S has a left box line, start drawing it to the | |
4205 | right of that line. */ | |
4206 | if (s->face->box != FACE_NO_BOX | |
4207 | && s->first_glyph->left_box_line_p) | |
ea2ba0d4 | 4208 | x = abs (s->face->box_line_width); |
06a2c219 GM |
4209 | else |
4210 | x = 0; | |
4211 | ||
4212 | /* If there is a margin around the image, adjust x- and y-position | |
4213 | by that margin. */ | |
22d650b8 GM |
4214 | x += s->img->hmargin; |
4215 | y += s->img->vmargin; | |
dc43ef94 | 4216 | |
06a2c219 GM |
4217 | if (s->img->pixmap) |
4218 | { | |
4219 | if (s->img->mask) | |
4220 | { | |
4221 | /* We can't set both a clip mask and use XSetClipRectangles | |
4222 | because the latter also sets a clip mask. We also can't | |
4223 | trust on the shape extension to be available | |
4224 | (XShapeCombineRegion). So, compute the rectangle to draw | |
4225 | manually. */ | |
4226 | unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin | |
4227 | | GCFunction); | |
4228 | XGCValues xgcv; | |
4229 | ||
4230 | xgcv.clip_mask = s->img->mask; | |
4231 | xgcv.clip_x_origin = x; | |
4232 | xgcv.clip_y_origin = y; | |
4233 | xgcv.function = GXcopy; | |
4234 | XChangeGC (s->display, s->gc, mask, &xgcv); | |
4235 | ||
4236 | XCopyArea (s->display, s->img->pixmap, pixmap, s->gc, | |
4237 | 0, 0, s->img->width, s->img->height, x, y); | |
4238 | XSetClipMask (s->display, s->gc, None); | |
4239 | } | |
4240 | else | |
4241 | { | |
4242 | XCopyArea (s->display, s->img->pixmap, pixmap, s->gc, | |
4243 | 0, 0, s->img->width, s->img->height, x, y); | |
7d0393cf | 4244 | |
06a2c219 GM |
4245 | /* When the image has a mask, we can expect that at |
4246 | least part of a mouse highlight or a block cursor will | |
4247 | be visible. If the image doesn't have a mask, make | |
4248 | a block cursor visible by drawing a rectangle around | |
4249 | the image. I believe it's looking better if we do | |
4250 | nothing here for mouse-face. */ | |
4251 | if (s->hl == DRAW_CURSOR) | |
534c20b2 KS |
4252 | { |
4253 | int r = s->img->relief; | |
4254 | if (r < 0) r = -r; | |
4255 | XDrawRectangle (s->display, s->window, s->gc, x - r, y - r, | |
4256 | s->img->width + r*2 - 1, s->img->height + r*2 - 1); | |
4257 | } | |
06a2c219 GM |
4258 | } |
4259 | } | |
4260 | else | |
4261 | /* Draw a rectangle if image could not be loaded. */ | |
4262 | XDrawRectangle (s->display, pixmap, s->gc, x, y, | |
4263 | s->img->width - 1, s->img->height - 1); | |
4264 | } | |
dc43ef94 | 4265 | |
990ba854 | 4266 | |
06a2c219 GM |
4267 | /* Draw part of the background of glyph string S. X, Y, W, and H |
4268 | give the rectangle to draw. */ | |
a9a5b0a5 | 4269 | |
06a2c219 GM |
4270 | static void |
4271 | x_draw_glyph_string_bg_rect (s, x, y, w, h) | |
4272 | struct glyph_string *s; | |
4273 | int x, y, w, h; | |
4274 | { | |
4275 | if (s->stippled_p) | |
4276 | { | |
4277 | /* Fill background with a stipple pattern. */ | |
4278 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
4279 | XFillRectangle (s->display, s->window, s->gc, x, y, w, h); | |
4280 | XSetFillStyle (s->display, s->gc, FillSolid); | |
4281 | } | |
4282 | else | |
4283 | x_clear_glyph_string_rect (s, x, y, w, h); | |
4284 | } | |
07e34cb0 | 4285 | |
b5210ea7 | 4286 | |
7d0393cf | 4287 | /* Draw image glyph string S. |
dc43ef94 | 4288 | |
06a2c219 GM |
4289 | s->y |
4290 | s->x +------------------------- | |
4291 | | s->face->box | |
4292 | | | |
4293 | | +------------------------- | |
4294 | | | s->img->margin | |
4295 | | | | |
4296 | | | +------------------- | |
4297 | | | | the image | |
dc43ef94 | 4298 | |
06a2c219 | 4299 | */ |
dc43ef94 | 4300 | |
06a2c219 GM |
4301 | static void |
4302 | x_draw_image_glyph_string (s) | |
4303 | struct glyph_string *s; | |
4304 | { | |
4305 | int x, y; | |
ea2ba0d4 KH |
4306 | int box_line_hwidth = abs (s->face->box_line_width); |
4307 | int box_line_vwidth = max (s->face->box_line_width, 0); | |
06a2c219 GM |
4308 | int height; |
4309 | Pixmap pixmap = None; | |
4310 | ||
ea2ba0d4 | 4311 | height = s->height - 2 * box_line_vwidth; |
06a2c219 GM |
4312 | |
4313 | /* Fill background with face under the image. Do it only if row is | |
4314 | taller than image or if image has a clip mask to reduce | |
4315 | flickering. */ | |
4316 | s->stippled_p = s->face->stipple != 0; | |
4317 | if (height > s->img->height | |
22d650b8 GM |
4318 | || s->img->hmargin |
4319 | || s->img->vmargin | |
06a2c219 GM |
4320 | || s->img->mask |
4321 | || s->img->pixmap == 0 | |
4322 | || s->width != s->background_width) | |
4323 | { | |
ea2ba0d4 KH |
4324 | if (box_line_hwidth && s->first_glyph->left_box_line_p) |
4325 | x = s->x + box_line_hwidth; | |
06a2c219 GM |
4326 | else |
4327 | x = s->x; | |
7d0393cf | 4328 | |
ea2ba0d4 | 4329 | y = s->y + box_line_vwidth; |
7d0393cf | 4330 | |
06a2c219 GM |
4331 | if (s->img->mask) |
4332 | { | |
f9b5db02 GM |
4333 | /* Create a pixmap as large as the glyph string. Fill it |
4334 | with the background color. Copy the image to it, using | |
4335 | its mask. Copy the temporary pixmap to the display. */ | |
06a2c219 GM |
4336 | Screen *screen = FRAME_X_SCREEN (s->f); |
4337 | int depth = DefaultDepthOfScreen (screen); | |
4338 | ||
4339 | /* Create a pixmap as large as the glyph string. */ | |
4340 | pixmap = XCreatePixmap (s->display, s->window, | |
4341 | s->background_width, | |
4342 | s->height, depth); | |
7d0393cf | 4343 | |
06a2c219 GM |
4344 | /* Don't clip in the following because we're working on the |
4345 | pixmap. */ | |
4346 | XSetClipMask (s->display, s->gc, None); | |
4347 | ||
4348 | /* Fill the pixmap with the background color/stipple. */ | |
4349 | if (s->stippled_p) | |
4350 | { | |
4351 | /* Fill background with a stipple pattern. */ | |
4352 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
4353 | XFillRectangle (s->display, pixmap, s->gc, | |
4354 | 0, 0, s->background_width, s->height); | |
4355 | XSetFillStyle (s->display, s->gc, FillSolid); | |
4356 | } | |
4357 | else | |
4358 | { | |
4359 | XGCValues xgcv; | |
4360 | XGetGCValues (s->display, s->gc, GCForeground | GCBackground, | |
4361 | &xgcv); | |
4362 | XSetForeground (s->display, s->gc, xgcv.background); | |
4363 | XFillRectangle (s->display, pixmap, s->gc, | |
4364 | 0, 0, s->background_width, s->height); | |
4365 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
4366 | } | |
4367 | } | |
4368 | else | |
06a2c219 | 4369 | x_draw_glyph_string_bg_rect (s, x, y, s->background_width, height); |
7d0393cf | 4370 | |
06a2c219 GM |
4371 | s->background_filled_p = 1; |
4372 | } | |
dc43ef94 | 4373 | |
06a2c219 GM |
4374 | /* Draw the foreground. */ |
4375 | if (pixmap != None) | |
4376 | { | |
4377 | x_draw_image_foreground_1 (s, pixmap); | |
4378 | x_set_glyph_string_clipping (s); | |
4379 | XCopyArea (s->display, pixmap, s->window, s->gc, | |
4380 | 0, 0, s->background_width, s->height, s->x, s->y); | |
4381 | XFreePixmap (s->display, pixmap); | |
4382 | } | |
4383 | else | |
4384 | x_draw_image_foreground (s); | |
b5210ea7 | 4385 | |
06a2c219 GM |
4386 | /* If we must draw a relief around the image, do it. */ |
4387 | if (s->img->relief | |
4388 | || s->hl == DRAW_IMAGE_RAISED | |
4389 | || s->hl == DRAW_IMAGE_SUNKEN) | |
4390 | x_draw_image_relief (s); | |
4391 | } | |
8c1a6a84 | 4392 | |
990ba854 | 4393 | |
06a2c219 | 4394 | /* Draw stretch glyph string S. */ |
dc43ef94 | 4395 | |
06a2c219 GM |
4396 | static void |
4397 | x_draw_stretch_glyph_string (s) | |
4398 | struct glyph_string *s; | |
4399 | { | |
4400 | xassert (s->first_glyph->type == STRETCH_GLYPH); | |
4401 | s->stippled_p = s->face->stipple != 0; | |
990ba854 | 4402 | |
06a2c219 GM |
4403 | if (s->hl == DRAW_CURSOR |
4404 | && !x_stretch_cursor_p) | |
4405 | { | |
4406 | /* If `x-stretch-block-cursor' is nil, don't draw a block cursor | |
4407 | as wide as the stretch glyph. */ | |
4408 | int width = min (CANON_X_UNIT (s->f), s->background_width); | |
990ba854 | 4409 | |
06a2c219 GM |
4410 | /* Draw cursor. */ |
4411 | x_draw_glyph_string_bg_rect (s, s->x, s->y, width, s->height); | |
0cdd0c9f | 4412 | |
06a2c219 GM |
4413 | /* Clear rest using the GC of the original non-cursor face. */ |
4414 | if (width < s->background_width) | |
4415 | { | |
06a2c219 GM |
4416 | int x = s->x + width, y = s->y; |
4417 | int w = s->background_width - width, h = s->height; | |
4418 | XRectangle r; | |
b7f83f9e | 4419 | GC gc; |
dc43ef94 | 4420 | |
b7f83f9e GM |
4421 | if (s->row->mouse_face_p |
4422 | && cursor_in_mouse_face_p (s->w)) | |
4423 | { | |
4424 | x_set_mouse_face_gc (s); | |
4425 | gc = s->gc; | |
4426 | } | |
4427 | else | |
4428 | gc = s->face->gc; | |
7d0393cf | 4429 | |
06a2c219 GM |
4430 | x_get_glyph_string_clip_rect (s, &r); |
4431 | XSetClipRectangles (s->display, gc, 0, 0, &r, 1, Unsorted); | |
7d0393cf | 4432 | |
06a2c219 GM |
4433 | if (s->face->stipple) |
4434 | { | |
4435 | /* Fill background with a stipple pattern. */ | |
4436 | XSetFillStyle (s->display, gc, FillOpaqueStippled); | |
4437 | XFillRectangle (s->display, s->window, gc, x, y, w, h); | |
4438 | XSetFillStyle (s->display, gc, FillSolid); | |
4439 | } | |
4440 | else | |
4441 | { | |
4442 | XGCValues xgcv; | |
4443 | XGetGCValues (s->display, gc, GCForeground | GCBackground, &xgcv); | |
4444 | XSetForeground (s->display, gc, xgcv.background); | |
4445 | XFillRectangle (s->display, s->window, gc, x, y, w, h); | |
4446 | XSetForeground (s->display, gc, xgcv.foreground); | |
4447 | } | |
4448 | } | |
4449 | } | |
61e9f9f3 | 4450 | else if (!s->background_filled_p) |
06a2c219 GM |
4451 | x_draw_glyph_string_bg_rect (s, s->x, s->y, s->background_width, |
4452 | s->height); | |
7d0393cf | 4453 | |
06a2c219 GM |
4454 | s->background_filled_p = 1; |
4455 | } | |
4456 | ||
4457 | ||
4458 | /* Draw glyph string S. */ | |
4459 | ||
4460 | static void | |
4461 | x_draw_glyph_string (s) | |
4462 | struct glyph_string *s; | |
4463 | { | |
4458cf11 KH |
4464 | int relief_drawn_p = 0; |
4465 | ||
06a2c219 GM |
4466 | /* If S draws into the background of its successor, draw the |
4467 | background of the successor first so that S can draw into it. | |
4468 | This makes S->next use XDrawString instead of XDrawImageString. */ | |
66ac4b0e | 4469 | if (s->next && s->right_overhang && !s->for_overlaps_p) |
06a2c219 GM |
4470 | { |
4471 | xassert (s->next->img == NULL); | |
4472 | x_set_glyph_string_gc (s->next); | |
4473 | x_set_glyph_string_clipping (s->next); | |
4474 | x_draw_glyph_string_background (s->next, 1); | |
4475 | } | |
97210f4e | 4476 | |
06a2c219 GM |
4477 | /* Set up S->gc, set clipping and draw S. */ |
4478 | x_set_glyph_string_gc (s); | |
06a2c219 | 4479 | |
4458cf11 KH |
4480 | /* Draw relief (if any) in advance for char/composition so that the |
4481 | glyph string can be drawn over it. */ | |
4482 | if (!s->for_overlaps_p | |
4483 | && s->face->box != FACE_NO_BOX | |
4484 | && (s->first_glyph->type == CHAR_GLYPH | |
4485 | || s->first_glyph->type == COMPOSITE_GLYPH)) | |
4486 | ||
4487 | { | |
e6269cbb | 4488 | x_set_glyph_string_clipping (s); |
4458cf11 KH |
4489 | x_draw_glyph_string_background (s, 1); |
4490 | x_draw_glyph_string_box (s); | |
e6269cbb | 4491 | x_set_glyph_string_clipping (s); |
4458cf11 KH |
4492 | relief_drawn_p = 1; |
4493 | } | |
e6269cbb GM |
4494 | else |
4495 | x_set_glyph_string_clipping (s); | |
4458cf11 | 4496 | |
06a2c219 GM |
4497 | switch (s->first_glyph->type) |
4498 | { | |
4499 | case IMAGE_GLYPH: | |
4500 | x_draw_image_glyph_string (s); | |
4501 | break; | |
4502 | ||
4503 | case STRETCH_GLYPH: | |
4504 | x_draw_stretch_glyph_string (s); | |
4505 | break; | |
4506 | ||
4507 | case CHAR_GLYPH: | |
66ac4b0e GM |
4508 | if (s->for_overlaps_p) |
4509 | s->background_filled_p = 1; | |
4510 | else | |
4511 | x_draw_glyph_string_background (s, 0); | |
06a2c219 GM |
4512 | x_draw_glyph_string_foreground (s); |
4513 | break; | |
4514 | ||
b4192550 KH |
4515 | case COMPOSITE_GLYPH: |
4516 | if (s->for_overlaps_p || s->gidx > 0) | |
4517 | s->background_filled_p = 1; | |
4518 | else | |
4519 | x_draw_glyph_string_background (s, 1); | |
4520 | x_draw_composite_glyph_string_foreground (s); | |
4521 | break; | |
4522 | ||
06a2c219 GM |
4523 | default: |
4524 | abort (); | |
4525 | } | |
4526 | ||
66ac4b0e | 4527 | if (!s->for_overlaps_p) |
06a2c219 | 4528 | { |
66ac4b0e GM |
4529 | /* Draw underline. */ |
4530 | if (s->face->underline_p) | |
4531 | { | |
e24e84cc GM |
4532 | unsigned long tem, h; |
4533 | int y; | |
06a2c219 | 4534 | |
e24e84cc | 4535 | /* Get the underline thickness. Default is 1 pixel. */ |
66ac4b0e GM |
4536 | if (!XGetFontProperty (s->font, XA_UNDERLINE_THICKNESS, &h)) |
4537 | h = 1; | |
e24e84cc GM |
4538 | |
4539 | /* Get the underline position. This is the recommended | |
4540 | vertical offset in pixels from the baseline to the top of | |
4541 | the underline. This is a signed value according to the | |
4542 | specs, and its default is | |
4543 | ||
4544 | ROUND ((maximum descent) / 2), with | |
4545 | ROUND(x) = floor (x + 0.5) */ | |
7d0393cf | 4546 | |
a72d5ce5 GM |
4547 | if (x_use_underline_position_properties |
4548 | && XGetFontProperty (s->font, XA_UNDERLINE_POSITION, &tem)) | |
e24e84cc GM |
4549 | y = s->ybase + (long) tem; |
4550 | else if (s->face->font) | |
4551 | y = s->ybase + (s->face->font->max_bounds.descent + 1) / 2; | |
4552 | else | |
a02f1be0 | 4553 | y = s->y + s->height - h; |
7d0393cf | 4554 | |
66ac4b0e | 4555 | if (s->face->underline_defaulted_p) |
e24e84cc GM |
4556 | XFillRectangle (s->display, s->window, s->gc, |
4557 | s->x, y, s->width, h); | |
66ac4b0e GM |
4558 | else |
4559 | { | |
4560 | XGCValues xgcv; | |
4561 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
4562 | XSetForeground (s->display, s->gc, s->face->underline_color); | |
e24e84cc GM |
4563 | XFillRectangle (s->display, s->window, s->gc, |
4564 | s->x, y, s->width, h); | |
66ac4b0e GM |
4565 | XSetForeground (s->display, s->gc, xgcv.foreground); |
4566 | } | |
dc6f92b8 | 4567 | } |
07e34cb0 | 4568 | |
66ac4b0e GM |
4569 | /* Draw overline. */ |
4570 | if (s->face->overline_p) | |
06a2c219 | 4571 | { |
66ac4b0e GM |
4572 | unsigned long dy = 0, h = 1; |
4573 | ||
4574 | if (s->face->overline_color_defaulted_p) | |
4575 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4576 | s->width, h); | |
4577 | else | |
4578 | { | |
4579 | XGCValues xgcv; | |
4580 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
4581 | XSetForeground (s->display, s->gc, s->face->overline_color); | |
4582 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4583 | s->width, h); | |
4584 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
4585 | } | |
06a2c219 | 4586 | } |
7d0393cf | 4587 | |
66ac4b0e GM |
4588 | /* Draw strike-through. */ |
4589 | if (s->face->strike_through_p) | |
06a2c219 | 4590 | { |
66ac4b0e GM |
4591 | unsigned long h = 1; |
4592 | unsigned long dy = (s->height - h) / 2; | |
4593 | ||
4594 | if (s->face->strike_through_color_defaulted_p) | |
4595 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4596 | s->width, h); | |
4597 | else | |
4598 | { | |
4599 | XGCValues xgcv; | |
4600 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
4601 | XSetForeground (s->display, s->gc, s->face->strike_through_color); | |
4602 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4603 | s->width, h); | |
4604 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
4605 | } | |
06a2c219 | 4606 | } |
7d0393cf | 4607 | |
4458cf11 KH |
4608 | /* Draw relief if not yet drawn. */ |
4609 | if (!relief_drawn_p && s->face->box != FACE_NO_BOX) | |
66ac4b0e GM |
4610 | x_draw_glyph_string_box (s); |
4611 | } | |
7d0393cf | 4612 | |
06a2c219 GM |
4613 | /* Reset clipping. */ |
4614 | XSetClipMask (s->display, s->gc, None); | |
dc6f92b8 | 4615 | } |
07e34cb0 | 4616 | |
06a2c219 | 4617 | |
b4192550 KH |
4618 | static int x_fill_composite_glyph_string P_ ((struct glyph_string *, |
4619 | struct face **, int)); | |
06a2c219 | 4620 | |
06a2c219 | 4621 | |
209f68d9 | 4622 | /* Fill glyph string S with composition components specified by S->cmp. |
7d0393cf | 4623 | |
b4192550 KH |
4624 | FACES is an array of faces for all components of this composition. |
4625 | S->gidx is the index of the first component for S. | |
4626 | OVERLAPS_P non-zero means S should draw the foreground only, and | |
209f68d9 | 4627 | use its physical height for clipping. |
06a2c219 | 4628 | |
b4192550 | 4629 | Value is the index of a component not in S. */ |
07e34cb0 | 4630 | |
b4192550 KH |
4631 | static int |
4632 | x_fill_composite_glyph_string (s, faces, overlaps_p) | |
06a2c219 | 4633 | struct glyph_string *s; |
b4192550 | 4634 | struct face **faces; |
66ac4b0e | 4635 | int overlaps_p; |
07e34cb0 | 4636 | { |
b4192550 | 4637 | int i; |
06a2c219 | 4638 | |
b4192550 | 4639 | xassert (s); |
06a2c219 | 4640 | |
b4192550 | 4641 | s->for_overlaps_p = overlaps_p; |
7d0393cf | 4642 | |
b4192550 KH |
4643 | s->face = faces[s->gidx]; |
4644 | s->font = s->face->font; | |
4645 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); | |
06a2c219 | 4646 | |
b4192550 KH |
4647 | /* For all glyphs of this composition, starting at the offset |
4648 | S->gidx, until we reach the end of the definition or encounter a | |
4649 | glyph that requires the different face, add it to S. */ | |
4650 | ++s->nchars; | |
4651 | for (i = s->gidx + 1; i < s->cmp->glyph_len && faces[i] == s->face; ++i) | |
4652 | ++s->nchars; | |
06a2c219 | 4653 | |
b4192550 KH |
4654 | /* All glyph strings for the same composition has the same width, |
4655 | i.e. the width set for the first component of the composition. */ | |
06a2c219 | 4656 | |
06a2c219 GM |
4657 | s->width = s->first_glyph->pixel_width; |
4658 | ||
4659 | /* If the specified font could not be loaded, use the frame's | |
4660 | default font, but record the fact that we couldn't load it in | |
4661 | the glyph string so that we can draw rectangles for the | |
4662 | characters of the glyph string. */ | |
4663 | if (s->font == NULL) | |
4664 | { | |
4665 | s->font_not_found_p = 1; | |
4666 | s->font = FRAME_FONT (s->f); | |
4667 | } | |
4668 | ||
4669 | /* Adjust base line for subscript/superscript text. */ | |
4670 | s->ybase += s->first_glyph->voffset; | |
7d0393cf | 4671 | |
06a2c219 GM |
4672 | xassert (s->face && s->face->gc); |
4673 | ||
4674 | /* This glyph string must always be drawn with 16-bit functions. */ | |
4675 | s->two_byte_p = 1; | |
b4192550 KH |
4676 | |
4677 | return s->gidx + s->nchars; | |
06a2c219 GM |
4678 | } |
4679 | ||
4680 | ||
209f68d9 | 4681 | /* Fill glyph string S from a sequence of character glyphs. |
7d0393cf | 4682 | |
06a2c219 | 4683 | FACE_ID is the face id of the string. START is the index of the |
66ac4b0e GM |
4684 | first glyph to consider, END is the index of the last + 1. |
4685 | OVERLAPS_P non-zero means S should draw the foreground only, and | |
209f68d9 | 4686 | use its physical height for clipping. |
66ac4b0e GM |
4687 | |
4688 | Value is the index of the first glyph not in S. */ | |
06a2c219 GM |
4689 | |
4690 | static int | |
66ac4b0e | 4691 | x_fill_glyph_string (s, face_id, start, end, overlaps_p) |
06a2c219 GM |
4692 | struct glyph_string *s; |
4693 | int face_id; | |
66ac4b0e | 4694 | int start, end, overlaps_p; |
06a2c219 GM |
4695 | { |
4696 | struct glyph *glyph, *last; | |
4697 | int voffset; | |
ee569018 | 4698 | int glyph_not_available_p; |
7d0393cf | 4699 | |
06a2c219 GM |
4700 | xassert (s->f == XFRAME (s->w->frame)); |
4701 | xassert (s->nchars == 0); | |
4702 | xassert (start >= 0 && end > start); | |
4703 | ||
66ac4b0e | 4704 | s->for_overlaps_p = overlaps_p, |
06a2c219 GM |
4705 | glyph = s->row->glyphs[s->area] + start; |
4706 | last = s->row->glyphs[s->area] + end; | |
4707 | voffset = glyph->voffset; | |
7d0393cf | 4708 | |
ee569018 KH |
4709 | glyph_not_available_p = glyph->glyph_not_available_p; |
4710 | ||
06a2c219 GM |
4711 | while (glyph < last |
4712 | && glyph->type == CHAR_GLYPH | |
4713 | && glyph->voffset == voffset | |
ee569018 KH |
4714 | /* Same face id implies same font, nowadays. */ |
4715 | && glyph->face_id == face_id | |
4716 | && glyph->glyph_not_available_p == glyph_not_available_p) | |
06a2c219 | 4717 | { |
ee569018 KH |
4718 | int two_byte_p; |
4719 | ||
06a2c219 | 4720 | s->face = x_get_glyph_face_and_encoding (s->f, glyph, |
ee569018 KH |
4721 | s->char2b + s->nchars, |
4722 | &two_byte_p); | |
4723 | s->two_byte_p = two_byte_p; | |
06a2c219 GM |
4724 | ++s->nchars; |
4725 | xassert (s->nchars <= end - start); | |
4726 | s->width += glyph->pixel_width; | |
4727 | ++glyph; | |
4728 | } | |
4729 | ||
4730 | s->font = s->face->font; | |
4731 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); | |
7d0393cf | 4732 | |
06a2c219 GM |
4733 | /* If the specified font could not be loaded, use the frame's font, |
4734 | but record the fact that we couldn't load it in | |
4735 | S->font_not_found_p so that we can draw rectangles for the | |
4736 | characters of the glyph string. */ | |
ee569018 | 4737 | if (s->font == NULL || glyph_not_available_p) |
06a2c219 GM |
4738 | { |
4739 | s->font_not_found_p = 1; | |
4740 | s->font = FRAME_FONT (s->f); | |
4741 | } | |
4742 | ||
4743 | /* Adjust base line for subscript/superscript text. */ | |
4744 | s->ybase += voffset; | |
66ac4b0e | 4745 | |
06a2c219 GM |
4746 | xassert (s->face && s->face->gc); |
4747 | return glyph - s->row->glyphs[s->area]; | |
07e34cb0 | 4748 | } |
dc6f92b8 | 4749 | |
06a2c219 GM |
4750 | |
4751 | /* Fill glyph string S from image glyph S->first_glyph. */ | |
dc6f92b8 | 4752 | |
dfcf069d | 4753 | static void |
06a2c219 GM |
4754 | x_fill_image_glyph_string (s) |
4755 | struct glyph_string *s; | |
4756 | { | |
4757 | xassert (s->first_glyph->type == IMAGE_GLYPH); | |
43d120d8 | 4758 | s->img = IMAGE_FROM_ID (s->f, s->first_glyph->u.img_id); |
06a2c219 | 4759 | xassert (s->img); |
43d120d8 | 4760 | s->face = FACE_FROM_ID (s->f, s->first_glyph->face_id); |
06a2c219 GM |
4761 | s->font = s->face->font; |
4762 | s->width = s->first_glyph->pixel_width; | |
7d0393cf | 4763 | |
06a2c219 GM |
4764 | /* Adjust base line for subscript/superscript text. */ |
4765 | s->ybase += s->first_glyph->voffset; | |
4766 | } | |
4767 | ||
4768 | ||
209f68d9 | 4769 | /* Fill glyph string S from a sequence of stretch glyphs. |
06a2c219 | 4770 | |
209f68d9 GM |
4771 | ROW is the glyph row in which the glyphs are found, AREA is the |
4772 | area within the row. START is the index of the first glyph to | |
4773 | consider, END is the index of the last + 1. | |
4774 | ||
4775 | Value is the index of the first glyph not in S. */ | |
4776 | ||
4777 | static int | |
4778 | x_fill_stretch_glyph_string (s, row, area, start, end) | |
06a2c219 | 4779 | struct glyph_string *s; |
209f68d9 GM |
4780 | struct glyph_row *row; |
4781 | enum glyph_row_area area; | |
4782 | int start, end; | |
06a2c219 | 4783 | { |
209f68d9 GM |
4784 | struct glyph *glyph, *last; |
4785 | int voffset, face_id; | |
7d0393cf | 4786 | |
06a2c219 | 4787 | xassert (s->first_glyph->type == STRETCH_GLYPH); |
7d0393cf | 4788 | |
209f68d9 GM |
4789 | glyph = s->row->glyphs[s->area] + start; |
4790 | last = s->row->glyphs[s->area] + end; | |
4791 | face_id = glyph->face_id; | |
4792 | s->face = FACE_FROM_ID (s->f, face_id); | |
06a2c219 | 4793 | s->font = s->face->font; |
209f68d9 GM |
4794 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); |
4795 | s->width = glyph->pixel_width; | |
4796 | voffset = glyph->voffset; | |
4797 | ||
4798 | for (++glyph; | |
4799 | (glyph < last | |
4800 | && glyph->type == STRETCH_GLYPH | |
4801 | && glyph->voffset == voffset | |
4802 | && glyph->face_id == face_id); | |
4803 | ++glyph) | |
4804 | s->width += glyph->pixel_width; | |
7d0393cf | 4805 | |
06a2c219 | 4806 | /* Adjust base line for subscript/superscript text. */ |
209f68d9 GM |
4807 | s->ybase += voffset; |
4808 | ||
c296fc01 GM |
4809 | /* The case that face->gc == 0 is handled when drawing the glyph |
4810 | string by calling PREPARE_FACE_FOR_DISPLAY. */ | |
4811 | xassert (s->face); | |
209f68d9 | 4812 | return glyph - s->row->glyphs[s->area]; |
06a2c219 GM |
4813 | } |
4814 | ||
4815 | ||
4816 | /* Initialize glyph string S. CHAR2B is a suitably allocated vector | |
4817 | of XChar2b structures for S; it can't be allocated in | |
4818 | x_init_glyph_string because it must be allocated via `alloca'. W | |
4819 | is the window on which S is drawn. ROW and AREA are the glyph row | |
4820 | and area within the row from which S is constructed. START is the | |
4821 | index of the first glyph structure covered by S. HL is a | |
4822 | face-override for drawing S. */ | |
7d0393cf | 4823 | |
06a2c219 GM |
4824 | static void |
4825 | x_init_glyph_string (s, char2b, w, row, area, start, hl) | |
4826 | struct glyph_string *s; | |
4827 | XChar2b *char2b; | |
4828 | struct window *w; | |
4829 | struct glyph_row *row; | |
4830 | enum glyph_row_area area; | |
4831 | int start; | |
4832 | enum draw_glyphs_face hl; | |
4833 | { | |
4834 | bzero (s, sizeof *s); | |
4835 | s->w = w; | |
4836 | s->f = XFRAME (w->frame); | |
4837 | s->display = FRAME_X_DISPLAY (s->f); | |
4838 | s->window = FRAME_X_WINDOW (s->f); | |
4839 | s->char2b = char2b; | |
4840 | s->hl = hl; | |
4841 | s->row = row; | |
4842 | s->area = area; | |
4843 | s->first_glyph = row->glyphs[area] + start; | |
4844 | s->height = row->height; | |
4845 | s->y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
4846 | ||
9ea173e8 GM |
4847 | /* Display the internal border below the tool-bar window. */ |
4848 | if (s->w == XWINDOW (s->f->tool_bar_window)) | |
06a2c219 | 4849 | s->y -= s->f->output_data.x->internal_border_width; |
7d0393cf | 4850 | |
06a2c219 GM |
4851 | s->ybase = s->y + row->ascent; |
4852 | } | |
4853 | ||
4854 | ||
4855 | /* Set background width of glyph string S. START is the index of the | |
4856 | first glyph following S. LAST_X is the right-most x-position + 1 | |
4857 | in the drawing area. */ | |
4858 | ||
4859 | static INLINE void | |
4860 | x_set_glyph_string_background_width (s, start, last_x) | |
4861 | struct glyph_string *s; | |
4862 | int start; | |
4863 | int last_x; | |
4864 | { | |
4865 | /* If the face of this glyph string has to be drawn to the end of | |
4866 | the drawing area, set S->extends_to_end_of_line_p. */ | |
4867 | struct face *default_face = FACE_FROM_ID (s->f, DEFAULT_FACE_ID); | |
7d0393cf | 4868 | |
06a2c219 | 4869 | if (start == s->row->used[s->area] |
eb79f5cc | 4870 | && s->area == TEXT_AREA |
7b0870b2 GM |
4871 | && ((s->hl == DRAW_NORMAL_TEXT |
4872 | && (s->row->fill_line_p | |
4873 | || s->face->background != default_face->background | |
4874 | || s->face->stipple != default_face->stipple | |
4875 | || s->row->mouse_face_p)) | |
327f42ee GM |
4876 | || s->hl == DRAW_MOUSE_FACE |
4877 | || ((s->hl == DRAW_IMAGE_RAISED || s->hl == DRAW_IMAGE_SUNKEN) | |
4878 | && s->row->fill_line_p))) | |
7b0870b2 | 4879 | s->extends_to_end_of_line_p = 1; |
7d0393cf | 4880 | |
06a2c219 GM |
4881 | /* If S extends its face to the end of the line, set its |
4882 | background_width to the distance to the right edge of the drawing | |
4883 | area. */ | |
4884 | if (s->extends_to_end_of_line_p) | |
1da3fd71 | 4885 | s->background_width = last_x - s->x + 1; |
06a2c219 GM |
4886 | else |
4887 | s->background_width = s->width; | |
4888 | } | |
4889 | ||
4890 | ||
4891 | /* Add a glyph string for a stretch glyph to the list of strings | |
4892 | between HEAD and TAIL. START is the index of the stretch glyph in | |
4893 | row area AREA of glyph row ROW. END is the index of the last glyph | |
4894 | in that glyph row area. X is the current output position assigned | |
4895 | to the new glyph string constructed. HL overrides that face of the | |
4896 | glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X | |
4897 | is the right-most x-position of the drawing area. */ | |
4898 | ||
8abee2e1 DL |
4899 | /* SunOS 4 bundled cc, barfed on continuations in the arg lists here |
4900 | and below -- keep them on one line. */ | |
4901 | #define BUILD_STRETCH_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \ | |
06a2c219 GM |
4902 | do \ |
4903 | { \ | |
4904 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4905 | x_init_glyph_string (s, NULL, W, ROW, AREA, START, HL); \ | |
209f68d9 | 4906 | START = x_fill_stretch_glyph_string (s, ROW, AREA, START, END); \ |
06a2c219 | 4907 | x_append_glyph_string (&HEAD, &TAIL, s); \ |
06a2c219 GM |
4908 | s->x = (X); \ |
4909 | } \ | |
4910 | while (0) | |
4911 | ||
4912 | ||
4913 | /* Add a glyph string for an image glyph to the list of strings | |
4914 | between HEAD and TAIL. START is the index of the image glyph in | |
4915 | row area AREA of glyph row ROW. END is the index of the last glyph | |
4916 | in that glyph row area. X is the current output position assigned | |
4917 | to the new glyph string constructed. HL overrides that face of the | |
4918 | glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X | |
4919 | is the right-most x-position of the drawing area. */ | |
4920 | ||
8abee2e1 | 4921 | #define BUILD_IMAGE_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \ |
06a2c219 GM |
4922 | do \ |
4923 | { \ | |
4924 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4925 | x_init_glyph_string (s, NULL, W, ROW, AREA, START, HL); \ | |
4926 | x_fill_image_glyph_string (s); \ | |
4927 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
4928 | ++START; \ | |
4929 | s->x = (X); \ | |
4930 | } \ | |
4931 | while (0) | |
4932 | ||
4933 | ||
4934 | /* Add a glyph string for a sequence of character glyphs to the list | |
4935 | of strings between HEAD and TAIL. START is the index of the first | |
4936 | glyph in row area AREA of glyph row ROW that is part of the new | |
4937 | glyph string. END is the index of the last glyph in that glyph row | |
4938 | area. X is the current output position assigned to the new glyph | |
4939 | string constructed. HL overrides that face of the glyph; e.g. it | |
4940 | is DRAW_CURSOR if a cursor has to be drawn. LAST_X is the | |
4941 | right-most x-position of the drawing area. */ | |
4942 | ||
8abee2e1 | 4943 | #define BUILD_CHAR_GLYPH_STRINGS(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ |
06a2c219 GM |
4944 | do \ |
4945 | { \ | |
3e71d8f2 | 4946 | int c, face_id; \ |
06a2c219 GM |
4947 | XChar2b *char2b; \ |
4948 | \ | |
43d120d8 | 4949 | c = (ROW)->glyphs[AREA][START].u.ch; \ |
43d120d8 | 4950 | face_id = (ROW)->glyphs[AREA][START].face_id; \ |
06a2c219 | 4951 | \ |
b4192550 KH |
4952 | s = (struct glyph_string *) alloca (sizeof *s); \ |
4953 | char2b = (XChar2b *) alloca ((END - START) * sizeof *char2b); \ | |
4954 | x_init_glyph_string (s, char2b, W, ROW, AREA, START, HL); \ | |
4955 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
b4192550 KH |
4956 | s->x = (X); \ |
4957 | START = x_fill_glyph_string (s, face_id, START, END, \ | |
66ac4b0e | 4958 | OVERLAPS_P); \ |
06a2c219 GM |
4959 | } \ |
4960 | while (0) | |
7d0393cf | 4961 | |
06a2c219 | 4962 | |
b4192550 KH |
4963 | /* Add a glyph string for a composite sequence to the list of strings |
4964 | between HEAD and TAIL. START is the index of the first glyph in | |
4965 | row area AREA of glyph row ROW that is part of the new glyph | |
4966 | string. END is the index of the last glyph in that glyph row area. | |
4967 | X is the current output position assigned to the new glyph string | |
4968 | constructed. HL overrides that face of the glyph; e.g. it is | |
4969 | DRAW_CURSOR if a cursor has to be drawn. LAST_X is the right-most | |
4970 | x-position of the drawing area. */ | |
4971 | ||
6c27ec25 | 4972 | #define BUILD_COMPOSITE_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ |
b4192550 | 4973 | do { \ |
43d120d8 KH |
4974 | int cmp_id = (ROW)->glyphs[AREA][START].u.cmp_id; \ |
4975 | int face_id = (ROW)->glyphs[AREA][START].face_id; \ | |
ee569018 | 4976 | struct face *base_face = FACE_FROM_ID (XFRAME (w->frame), face_id); \ |
b4192550 KH |
4977 | struct composition *cmp = composition_table[cmp_id]; \ |
4978 | int glyph_len = cmp->glyph_len; \ | |
4979 | XChar2b *char2b; \ | |
4980 | struct face **faces; \ | |
4981 | struct glyph_string *first_s = NULL; \ | |
4982 | int n; \ | |
4983 | \ | |
ee569018 | 4984 | base_face = base_face->ascii_face; \ |
b4192550 KH |
4985 | char2b = (XChar2b *) alloca ((sizeof *char2b) * glyph_len); \ |
4986 | faces = (struct face **) alloca ((sizeof *faces) * glyph_len); \ | |
4987 | /* At first, fill in `char2b' and `faces'. */ \ | |
4988 | for (n = 0; n < glyph_len; n++) \ | |
4989 | { \ | |
43d120d8 | 4990 | int c = COMPOSITION_GLYPH (cmp, n); \ |
ee569018 KH |
4991 | int this_face_id = FACE_FOR_CHAR (XFRAME (w->frame), base_face, c); \ |
4992 | faces[n] = FACE_FROM_ID (XFRAME (w->frame), this_face_id); \ | |
4993 | x_get_char_face_and_encoding (XFRAME (w->frame), c, \ | |
abfb6b46 | 4994 | this_face_id, char2b + n, 1, 1); \ |
b4192550 KH |
4995 | } \ |
4996 | \ | |
4997 | /* Make glyph_strings for each glyph sequence that is drawable by \ | |
4998 | the same face, and append them to HEAD/TAIL. */ \ | |
4999 | for (n = 0; n < cmp->glyph_len;) \ | |
5000 | { \ | |
5001 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
5002 | x_init_glyph_string (s, char2b + n, W, ROW, AREA, START, HL); \ | |
5003 | x_append_glyph_string (&(HEAD), &(TAIL), s); \ | |
5004 | s->cmp = cmp; \ | |
5005 | s->gidx = n; \ | |
b4192550 KH |
5006 | s->x = (X); \ |
5007 | \ | |
5008 | if (n == 0) \ | |
5009 | first_s = s; \ | |
5010 | \ | |
5011 | n = x_fill_composite_glyph_string (s, faces, OVERLAPS_P); \ | |
5012 | } \ | |
5013 | \ | |
5014 | ++START; \ | |
5015 | s = first_s; \ | |
5016 | } while (0) | |
7d0393cf | 5017 | |
b4192550 | 5018 | |
06a2c219 GM |
5019 | /* Build a list of glyph strings between HEAD and TAIL for the glyphs |
5020 | of AREA of glyph row ROW on window W between indices START and END. | |
5021 | HL overrides the face for drawing glyph strings, e.g. it is | |
5022 | DRAW_CURSOR to draw a cursor. X and LAST_X are start and end | |
5023 | x-positions of the drawing area. | |
5024 | ||
5025 | This is an ugly monster macro construct because we must use alloca | |
5026 | to allocate glyph strings (because x_draw_glyphs can be called | |
5027 | asynchronously). */ | |
5028 | ||
8abee2e1 | 5029 | #define BUILD_GLYPH_STRINGS(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ |
06a2c219 GM |
5030 | do \ |
5031 | { \ | |
5032 | HEAD = TAIL = NULL; \ | |
5033 | while (START < END) \ | |
5034 | { \ | |
5035 | struct glyph *first_glyph = (ROW)->glyphs[AREA] + START; \ | |
5036 | switch (first_glyph->type) \ | |
5037 | { \ | |
5038 | case CHAR_GLYPH: \ | |
5039 | BUILD_CHAR_GLYPH_STRINGS (W, ROW, AREA, START, END, HEAD, \ | |
66ac4b0e GM |
5040 | TAIL, HL, X, LAST_X, \ |
5041 | OVERLAPS_P); \ | |
06a2c219 GM |
5042 | break; \ |
5043 | \ | |
b4192550 KH |
5044 | case COMPOSITE_GLYPH: \ |
5045 | BUILD_COMPOSITE_GLYPH_STRING (W, ROW, AREA, START, END, \ | |
5046 | HEAD, TAIL, HL, X, LAST_X,\ | |
5047 | OVERLAPS_P); \ | |
5048 | break; \ | |
5049 | \ | |
06a2c219 GM |
5050 | case STRETCH_GLYPH: \ |
5051 | BUILD_STRETCH_GLYPH_STRING (W, ROW, AREA, START, END, \ | |
5052 | HEAD, TAIL, HL, X, LAST_X); \ | |
5053 | break; \ | |
5054 | \ | |
5055 | case IMAGE_GLYPH: \ | |
5056 | BUILD_IMAGE_GLYPH_STRING (W, ROW, AREA, START, END, HEAD, \ | |
5057 | TAIL, HL, X, LAST_X); \ | |
5058 | break; \ | |
5059 | \ | |
5060 | default: \ | |
5061 | abort (); \ | |
5062 | } \ | |
5063 | \ | |
5064 | x_set_glyph_string_background_width (s, START, LAST_X); \ | |
5065 | (X) += s->width; \ | |
5066 | } \ | |
5067 | } \ | |
5068 | while (0) | |
5069 | ||
5070 | ||
5071 | /* Draw glyphs between START and END in AREA of ROW on window W, | |
5072 | starting at x-position X. X is relative to AREA in W. HL is a | |
5073 | face-override with the following meaning: | |
5074 | ||
5075 | DRAW_NORMAL_TEXT draw normally | |
5076 | DRAW_CURSOR draw in cursor face | |
5077 | DRAW_MOUSE_FACE draw in mouse face. | |
5078 | DRAW_INVERSE_VIDEO draw in mode line face | |
5079 | DRAW_IMAGE_SUNKEN draw an image with a sunken relief around it | |
5080 | DRAW_IMAGE_RAISED draw an image with a raised relief around it | |
5081 | ||
66ac4b0e GM |
5082 | If OVERLAPS_P is non-zero, draw only the foreground of characters |
5083 | and clip to the physical height of ROW. | |
5084 | ||
06a2c219 | 5085 | Value is the x-position reached, relative to AREA of W. */ |
7d0393cf | 5086 | |
06a2c219 | 5087 | static int |
f0a48a01 | 5088 | x_draw_glyphs (w, x, row, area, start, end, hl, overlaps_p) |
06a2c219 GM |
5089 | struct window *w; |
5090 | int x; | |
5091 | struct glyph_row *row; | |
5092 | enum glyph_row_area area; | |
5093 | int start, end; | |
5094 | enum draw_glyphs_face hl; | |
66ac4b0e | 5095 | int overlaps_p; |
dc6f92b8 | 5096 | { |
06a2c219 GM |
5097 | struct glyph_string *head, *tail; |
5098 | struct glyph_string *s; | |
5099 | int last_x, area_width; | |
5100 | int x_reached; | |
5101 | int i, j; | |
5102 | ||
5103 | /* Let's rather be paranoid than getting a SEGV. */ | |
06a2c219 | 5104 | end = min (end, row->used[area]); |
a8710abf GM |
5105 | start = max (0, start); |
5106 | start = min (end, start); | |
06a2c219 GM |
5107 | |
5108 | /* Translate X to frame coordinates. Set last_x to the right | |
5109 | end of the drawing area. */ | |
5110 | if (row->full_width_p) | |
5111 | { | |
5112 | /* X is relative to the left edge of W, without scroll bars | |
3f332ef3 | 5113 | or fringes. */ |
06a2c219 | 5114 | struct frame *f = XFRAME (w->frame); |
06a2c219 | 5115 | int window_left_x = WINDOW_LEFT_MARGIN (w) * CANON_X_UNIT (f); |
dc6f92b8 | 5116 | |
06a2c219 GM |
5117 | x += window_left_x; |
5118 | area_width = XFASTINT (w->width) * CANON_X_UNIT (f); | |
5119 | last_x = window_left_x + area_width; | |
5120 | ||
5121 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
5122 | { | |
110859fc | 5123 | int width = FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f); |
06a2c219 GM |
5124 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) |
5125 | last_x += width; | |
5126 | else | |
5127 | x -= width; | |
5128 | } | |
dc6f92b8 | 5129 | |
b9432a85 | 5130 | x += FRAME_INTERNAL_BORDER_WIDTH (f); |
98fedd97 | 5131 | last_x += FRAME_INTERNAL_BORDER_WIDTH (f); |
06a2c219 GM |
5132 | } |
5133 | else | |
dc6f92b8 | 5134 | { |
06a2c219 GM |
5135 | x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, x); |
5136 | area_width = window_box_width (w, area); | |
5137 | last_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, area_width); | |
dc6f92b8 JB |
5138 | } |
5139 | ||
06a2c219 GM |
5140 | /* Build a doubly-linked list of glyph_string structures between |
5141 | head and tail from what we have to draw. Note that the macro | |
5142 | BUILD_GLYPH_STRINGS will modify its start parameter. That's | |
5143 | the reason we use a separate variable `i'. */ | |
5144 | i = start; | |
66ac4b0e GM |
5145 | BUILD_GLYPH_STRINGS (w, row, area, i, end, head, tail, hl, x, last_x, |
5146 | overlaps_p); | |
06a2c219 GM |
5147 | if (tail) |
5148 | x_reached = tail->x + tail->background_width; | |
5149 | else | |
5150 | x_reached = x; | |
90e65f07 | 5151 | |
06a2c219 GM |
5152 | /* If there are any glyphs with lbearing < 0 or rbearing > width in |
5153 | the row, redraw some glyphs in front or following the glyph | |
5154 | strings built above. */ | |
a8710abf | 5155 | if (head && !overlaps_p && row->contains_overlapping_glyphs_p) |
06a2c219 GM |
5156 | { |
5157 | int dummy_x = 0; | |
5158 | struct glyph_string *h, *t; | |
5159 | ||
5160 | /* Compute overhangs for all glyph strings. */ | |
5161 | for (s = head; s; s = s->next) | |
5162 | x_compute_glyph_string_overhangs (s); | |
5163 | ||
5164 | /* Prepend glyph strings for glyphs in front of the first glyph | |
5165 | string that are overwritten because of the first glyph | |
5166 | string's left overhang. The background of all strings | |
7d0393cf | 5167 | prepended must be drawn because the first glyph string |
06a2c219 GM |
5168 | draws over it. */ |
5169 | i = x_left_overwritten (head); | |
5170 | if (i >= 0) | |
5171 | { | |
5172 | j = i; | |
5173 | BUILD_GLYPH_STRINGS (w, row, area, j, start, h, t, | |
66ac4b0e GM |
5174 | DRAW_NORMAL_TEXT, dummy_x, last_x, |
5175 | overlaps_p); | |
06a2c219 | 5176 | start = i; |
06a2c219 GM |
5177 | x_compute_overhangs_and_x (t, head->x, 1); |
5178 | x_prepend_glyph_string_lists (&head, &tail, h, t); | |
5179 | } | |
58769bee | 5180 | |
06a2c219 GM |
5181 | /* Prepend glyph strings for glyphs in front of the first glyph |
5182 | string that overwrite that glyph string because of their | |
5183 | right overhang. For these strings, only the foreground must | |
5184 | be drawn, because it draws over the glyph string at `head'. | |
5185 | The background must not be drawn because this would overwrite | |
5186 | right overhangs of preceding glyphs for which no glyph | |
5187 | strings exist. */ | |
5188 | i = x_left_overwriting (head); | |
5189 | if (i >= 0) | |
5190 | { | |
5191 | BUILD_GLYPH_STRINGS (w, row, area, i, start, h, t, | |
66ac4b0e GM |
5192 | DRAW_NORMAL_TEXT, dummy_x, last_x, |
5193 | overlaps_p); | |
06a2c219 GM |
5194 | for (s = h; s; s = s->next) |
5195 | s->background_filled_p = 1; | |
06a2c219 GM |
5196 | x_compute_overhangs_and_x (t, head->x, 1); |
5197 | x_prepend_glyph_string_lists (&head, &tail, h, t); | |
5198 | } | |
dbcb258a | 5199 | |
06a2c219 GM |
5200 | /* Append glyphs strings for glyphs following the last glyph |
5201 | string tail that are overwritten by tail. The background of | |
5202 | these strings has to be drawn because tail's foreground draws | |
5203 | over it. */ | |
5204 | i = x_right_overwritten (tail); | |
5205 | if (i >= 0) | |
5206 | { | |
5207 | BUILD_GLYPH_STRINGS (w, row, area, end, i, h, t, | |
66ac4b0e GM |
5208 | DRAW_NORMAL_TEXT, x, last_x, |
5209 | overlaps_p); | |
06a2c219 GM |
5210 | x_compute_overhangs_and_x (h, tail->x + tail->width, 0); |
5211 | x_append_glyph_string_lists (&head, &tail, h, t); | |
06a2c219 | 5212 | } |
dc6f92b8 | 5213 | |
06a2c219 GM |
5214 | /* Append glyph strings for glyphs following the last glyph |
5215 | string tail that overwrite tail. The foreground of such | |
5216 | glyphs has to be drawn because it writes into the background | |
5217 | of tail. The background must not be drawn because it could | |
5218 | paint over the foreground of following glyphs. */ | |
5219 | i = x_right_overwriting (tail); | |
5220 | if (i >= 0) | |
5221 | { | |
5222 | BUILD_GLYPH_STRINGS (w, row, area, end, i, h, t, | |
66ac4b0e GM |
5223 | DRAW_NORMAL_TEXT, x, last_x, |
5224 | overlaps_p); | |
06a2c219 GM |
5225 | for (s = h; s; s = s->next) |
5226 | s->background_filled_p = 1; | |
5227 | x_compute_overhangs_and_x (h, tail->x + tail->width, 0); | |
5228 | x_append_glyph_string_lists (&head, &tail, h, t); | |
06a2c219 GM |
5229 | } |
5230 | } | |
58769bee | 5231 | |
06a2c219 GM |
5232 | /* Draw all strings. */ |
5233 | for (s = head; s; s = s->next) | |
5234 | x_draw_glyph_string (s); | |
dc6f92b8 | 5235 | |
bb313871 GM |
5236 | if (area == TEXT_AREA |
5237 | && !row->full_width_p | |
5238 | /* When drawing overlapping rows, only the glyph strings' | |
5239 | foreground is drawn, which doesn't erase a cursor | |
5240 | completely. */ | |
5241 | && !overlaps_p) | |
f0a48a01 GM |
5242 | { |
5243 | int x0 = head ? head->x : x; | |
5244 | int x1 = tail ? tail->x + tail->background_width : x; | |
7d0393cf | 5245 | |
f0a48a01 GM |
5246 | x0 = FRAME_TO_WINDOW_PIXEL_X (w, x0); |
5247 | x1 = FRAME_TO_WINDOW_PIXEL_X (w, x1); | |
7d0393cf | 5248 | |
bb313871 | 5249 | if (XFASTINT (w->left_margin_width) != 0) |
f0a48a01 GM |
5250 | { |
5251 | int left_area_width = window_box_width (w, LEFT_MARGIN_AREA); | |
5252 | x0 -= left_area_width; | |
5253 | x1 -= left_area_width; | |
5254 | } | |
5255 | ||
60626bab GM |
5256 | notice_overwritten_cursor (w, area, x0, x1, |
5257 | row->y, MATRIX_ROW_BOTTOM_Y (row)); | |
f0a48a01 GM |
5258 | } |
5259 | ||
06a2c219 GM |
5260 | /* Value is the x-position up to which drawn, relative to AREA of W. |
5261 | This doesn't include parts drawn because of overhangs. */ | |
5262 | x_reached = FRAME_TO_WINDOW_PIXEL_X (w, x_reached); | |
5263 | if (!row->full_width_p) | |
5264 | { | |
f0a48a01 | 5265 | if (area > LEFT_MARGIN_AREA && XFASTINT (w->left_margin_width) != 0) |
06a2c219 GM |
5266 | x_reached -= window_box_width (w, LEFT_MARGIN_AREA); |
5267 | if (area > TEXT_AREA) | |
5268 | x_reached -= window_box_width (w, TEXT_AREA); | |
5269 | } | |
7d0393cf | 5270 | |
06a2c219 GM |
5271 | return x_reached; |
5272 | } | |
dc6f92b8 | 5273 | |
dc6f92b8 | 5274 | |
66ac4b0e GM |
5275 | /* Fix the display of area AREA of overlapping row ROW in window W. */ |
5276 | ||
5277 | static void | |
5278 | x_fix_overlapping_area (w, row, area) | |
5279 | struct window *w; | |
5280 | struct glyph_row *row; | |
5281 | enum glyph_row_area area; | |
5282 | { | |
5283 | int i, x; | |
7d0393cf | 5284 | |
66ac4b0e | 5285 | BLOCK_INPUT; |
7d0393cf | 5286 | |
66ac4b0e GM |
5287 | if (area == LEFT_MARGIN_AREA) |
5288 | x = 0; | |
5289 | else if (area == TEXT_AREA) | |
5290 | x = row->x + window_box_width (w, LEFT_MARGIN_AREA); | |
5291 | else | |
5292 | x = (window_box_width (w, LEFT_MARGIN_AREA) | |
5293 | + window_box_width (w, TEXT_AREA)); | |
5294 | ||
5295 | for (i = 0; i < row->used[area];) | |
5296 | { | |
5297 | if (row->glyphs[area][i].overlaps_vertically_p) | |
5298 | { | |
5299 | int start = i, start_x = x; | |
5300 | ||
5301 | do | |
5302 | { | |
5303 | x += row->glyphs[area][i].pixel_width; | |
5304 | ++i; | |
5305 | } | |
5306 | while (i < row->used[area] | |
5307 | && row->glyphs[area][i].overlaps_vertically_p); | |
5308 | ||
5309 | x_draw_glyphs (w, start_x, row, area, start, i, | |
f0a48a01 | 5310 | DRAW_NORMAL_TEXT, 1); |
66ac4b0e GM |
5311 | } |
5312 | else | |
5313 | { | |
5314 | x += row->glyphs[area][i].pixel_width; | |
5315 | ++i; | |
5316 | } | |
5317 | } | |
7d0393cf | 5318 | |
66ac4b0e GM |
5319 | UNBLOCK_INPUT; |
5320 | } | |
5321 | ||
5322 | ||
06a2c219 GM |
5323 | /* Output LEN glyphs starting at START at the nominal cursor position. |
5324 | Advance the nominal cursor over the text. The global variable | |
5325 | updated_window contains the window being updated, updated_row is | |
5326 | the glyph row being updated, and updated_area is the area of that | |
5327 | row being updated. */ | |
dc6f92b8 | 5328 | |
06a2c219 GM |
5329 | static void |
5330 | x_write_glyphs (start, len) | |
5331 | struct glyph *start; | |
5332 | int len; | |
5333 | { | |
f0a48a01 | 5334 | int x, hpos; |
d9cdbb3d | 5335 | |
06a2c219 | 5336 | xassert (updated_window && updated_row); |
dc6f92b8 | 5337 | BLOCK_INPUT; |
7d0393cf | 5338 | |
06a2c219 | 5339 | /* Write glyphs. */ |
dc6f92b8 | 5340 | |
06a2c219 GM |
5341 | hpos = start - updated_row->glyphs[updated_area]; |
5342 | x = x_draw_glyphs (updated_window, output_cursor.x, | |
5343 | updated_row, updated_area, | |
5344 | hpos, hpos + len, | |
f0a48a01 | 5345 | DRAW_NORMAL_TEXT, 0); |
dc6f92b8 | 5346 | |
6065f9e2 KS |
5347 | /* Invalidate old phys cursor if the glyph at its hpos is redrawn. */ |
5348 | if (updated_area == TEXT_AREA | |
5349 | && updated_window->phys_cursor_on_p | |
5350 | && updated_window->phys_cursor.vpos == output_cursor.vpos | |
5351 | && updated_window->phys_cursor.hpos >= hpos | |
5352 | && updated_window->phys_cursor.hpos < hpos + len) | |
5353 | updated_window->phys_cursor_on_p = 0; | |
5354 | ||
dc6f92b8 | 5355 | UNBLOCK_INPUT; |
7d0393cf | 5356 | |
06a2c219 GM |
5357 | /* Advance the output cursor. */ |
5358 | output_cursor.hpos += len; | |
5359 | output_cursor.x = x; | |
dc6f92b8 JB |
5360 | } |
5361 | ||
0cdd0c9f | 5362 | |
06a2c219 | 5363 | /* Insert LEN glyphs from START at the nominal cursor position. */ |
0cdd0c9f | 5364 | |
06a2c219 GM |
5365 | static void |
5366 | x_insert_glyphs (start, len) | |
5367 | struct glyph *start; | |
5368 | register int len; | |
5369 | { | |
5370 | struct frame *f; | |
5371 | struct window *w; | |
5372 | int line_height, shift_by_width, shifted_region_width; | |
5373 | struct glyph_row *row; | |
5374 | struct glyph *glyph; | |
2beb36f9 | 5375 | int frame_x, frame_y, hpos; |
58769bee | 5376 | |
06a2c219 | 5377 | xassert (updated_window && updated_row); |
0cdd0c9f | 5378 | BLOCK_INPUT; |
06a2c219 GM |
5379 | w = updated_window; |
5380 | f = XFRAME (WINDOW_FRAME (w)); | |
5381 | ||
5382 | /* Get the height of the line we are in. */ | |
5383 | row = updated_row; | |
5384 | line_height = row->height; | |
5385 | ||
5386 | /* Get the width of the glyphs to insert. */ | |
5387 | shift_by_width = 0; | |
5388 | for (glyph = start; glyph < start + len; ++glyph) | |
5389 | shift_by_width += glyph->pixel_width; | |
5390 | ||
5391 | /* Get the width of the region to shift right. */ | |
5392 | shifted_region_width = (window_box_width (w, updated_area) | |
5393 | - output_cursor.x | |
5394 | - shift_by_width); | |
5395 | ||
5396 | /* Shift right. */ | |
bf0ab8a2 | 5397 | frame_x = window_box_left (w, updated_area) + output_cursor.x; |
06a2c219 GM |
5398 | frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, output_cursor.y); |
5399 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), FRAME_X_WINDOW (f), | |
5400 | f->output_data.x->normal_gc, | |
5401 | frame_x, frame_y, | |
5402 | shifted_region_width, line_height, | |
5403 | frame_x + shift_by_width, frame_y); | |
5404 | ||
5405 | /* Write the glyphs. */ | |
5406 | hpos = start - row->glyphs[updated_area]; | |
5407 | x_draw_glyphs (w, output_cursor.x, row, updated_area, hpos, hpos + len, | |
f0a48a01 | 5408 | DRAW_NORMAL_TEXT, 0); |
7d0393cf | 5409 | |
06a2c219 GM |
5410 | /* Advance the output cursor. */ |
5411 | output_cursor.hpos += len; | |
5412 | output_cursor.x += shift_by_width; | |
0cdd0c9f RS |
5413 | UNBLOCK_INPUT; |
5414 | } | |
0cdd0c9f | 5415 | |
0cdd0c9f | 5416 | |
06a2c219 GM |
5417 | /* Delete N glyphs at the nominal cursor position. Not implemented |
5418 | for X frames. */ | |
c83febd7 RS |
5419 | |
5420 | static void | |
06a2c219 GM |
5421 | x_delete_glyphs (n) |
5422 | register int n; | |
c83febd7 | 5423 | { |
06a2c219 | 5424 | abort (); |
c83febd7 RS |
5425 | } |
5426 | ||
0cdd0c9f | 5427 | |
c5e6e06b GM |
5428 | /* Like XClearArea, but check that WIDTH and HEIGHT are reasonable. |
5429 | If they are <= 0, this is probably an error. */ | |
5430 | ||
5431 | void | |
5432 | x_clear_area (dpy, window, x, y, width, height, exposures) | |
5433 | Display *dpy; | |
5434 | Window window; | |
5435 | int x, y; | |
5436 | int width, height; | |
5437 | int exposures; | |
5438 | { | |
5439 | xassert (width > 0 && height > 0); | |
5440 | XClearArea (dpy, window, x, y, width, height, exposures); | |
5441 | } | |
5442 | ||
5443 | ||
06a2c219 GM |
5444 | /* Erase the current text line from the nominal cursor position |
5445 | (inclusive) to pixel column TO_X (exclusive). The idea is that | |
5446 | everything from TO_X onward is already erased. | |
5447 | ||
5448 | TO_X is a pixel position relative to updated_area of | |
5449 | updated_window. TO_X == -1 means clear to the end of this area. */ | |
dc6f92b8 | 5450 | |
06a2c219 GM |
5451 | static void |
5452 | x_clear_end_of_line (to_x) | |
5453 | int to_x; | |
5454 | { | |
5455 | struct frame *f; | |
5456 | struct window *w = updated_window; | |
5457 | int max_x, min_y, max_y; | |
5458 | int from_x, from_y, to_y; | |
7d0393cf | 5459 | |
06a2c219 GM |
5460 | xassert (updated_window && updated_row); |
5461 | f = XFRAME (w->frame); | |
7d0393cf | 5462 | |
06a2c219 GM |
5463 | if (updated_row->full_width_p) |
5464 | { | |
5465 | max_x = XFASTINT (w->width) * CANON_X_UNIT (f); | |
5466 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
5467 | && !w->pseudo_window_p) | |
5468 | max_x += FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f); | |
0cdd0c9f | 5469 | } |
06a2c219 GM |
5470 | else |
5471 | max_x = window_box_width (w, updated_area); | |
5472 | max_y = window_text_bottom_y (w); | |
dc6f92b8 | 5473 | |
06a2c219 GM |
5474 | /* TO_X == 0 means don't do anything. TO_X < 0 means clear to end |
5475 | of window. For TO_X > 0, truncate to end of drawing area. */ | |
5476 | if (to_x == 0) | |
5477 | return; | |
5478 | else if (to_x < 0) | |
5479 | to_x = max_x; | |
5480 | else | |
5481 | to_x = min (to_x, max_x); | |
dbc4e1c1 | 5482 | |
06a2c219 | 5483 | to_y = min (max_y, output_cursor.y + updated_row->height); |
7d0393cf | 5484 | |
06a2c219 GM |
5485 | /* Notice if the cursor will be cleared by this operation. */ |
5486 | if (!updated_row->full_width_p) | |
60626bab GM |
5487 | notice_overwritten_cursor (w, updated_area, |
5488 | output_cursor.x, -1, | |
5489 | updated_row->y, | |
5490 | MATRIX_ROW_BOTTOM_Y (updated_row)); | |
dbc4e1c1 | 5491 | |
06a2c219 | 5492 | from_x = output_cursor.x; |
7d0393cf | 5493 | |
06a2c219 GM |
5494 | /* Translate to frame coordinates. */ |
5495 | if (updated_row->full_width_p) | |
5496 | { | |
5497 | from_x = WINDOW_TO_FRAME_PIXEL_X (w, from_x); | |
5498 | to_x = WINDOW_TO_FRAME_PIXEL_X (w, to_x); | |
5499 | } | |
0cdd0c9f RS |
5500 | else |
5501 | { | |
06a2c219 GM |
5502 | from_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, from_x); |
5503 | to_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, to_x); | |
5504 | } | |
7d0393cf | 5505 | |
045dee35 | 5506 | min_y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); |
06a2c219 GM |
5507 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, max (min_y, output_cursor.y)); |
5508 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, to_y); | |
7d0393cf | 5509 | |
06a2c219 GM |
5510 | /* Prevent inadvertently clearing to end of the X window. */ |
5511 | if (to_x > from_x && to_y > from_y) | |
5512 | { | |
5513 | BLOCK_INPUT; | |
c5e6e06b GM |
5514 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
5515 | from_x, from_y, to_x - from_x, to_y - from_y, | |
5516 | False); | |
06a2c219 | 5517 | UNBLOCK_INPUT; |
0cdd0c9f | 5518 | } |
0cdd0c9f | 5519 | } |
dbc4e1c1 | 5520 | |
0cdd0c9f | 5521 | |
06a2c219 | 5522 | /* Clear entire frame. If updating_frame is non-null, clear that |
b86bd3dd | 5523 | frame. Otherwise clear the selected frame. */ |
06a2c219 GM |
5524 | |
5525 | static void | |
5526 | x_clear_frame () | |
0cdd0c9f | 5527 | { |
06a2c219 | 5528 | struct frame *f; |
0cdd0c9f | 5529 | |
06a2c219 GM |
5530 | if (updating_frame) |
5531 | f = updating_frame; | |
0cdd0c9f | 5532 | else |
b86bd3dd | 5533 | f = SELECTED_FRAME (); |
58769bee | 5534 | |
06a2c219 GM |
5535 | /* Clearing the frame will erase any cursor, so mark them all as no |
5536 | longer visible. */ | |
5537 | mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f))); | |
5538 | output_cursor.hpos = output_cursor.vpos = 0; | |
5539 | output_cursor.x = -1; | |
5540 | ||
5541 | /* We don't set the output cursor here because there will always | |
5542 | follow an explicit cursor_to. */ | |
5543 | BLOCK_INPUT; | |
5544 | XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); | |
5545 | ||
5546 | /* We have to clear the scroll bars, too. If we have changed | |
5547 | colors or something like that, then they should be notified. */ | |
5548 | x_scroll_bar_clear (f); | |
0cdd0c9f | 5549 | |
06a2c219 GM |
5550 | XFlush (FRAME_X_DISPLAY (f)); |
5551 | UNBLOCK_INPUT; | |
dc6f92b8 | 5552 | } |
06a2c219 GM |
5553 | |
5554 | ||
dc6f92b8 | 5555 | \f |
dbc4e1c1 JB |
5556 | /* Invert the middle quarter of the frame for .15 sec. */ |
5557 | ||
06a2c219 GM |
5558 | /* We use the select system call to do the waiting, so we have to make |
5559 | sure it's available. If it isn't, we just won't do visual bells. */ | |
5560 | ||
dbc4e1c1 JB |
5561 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
5562 | ||
06a2c219 GM |
5563 | |
5564 | /* Subtract the `struct timeval' values X and Y, storing the result in | |
5565 | *RESULT. Return 1 if the difference is negative, otherwise 0. */ | |
dbc4e1c1 JB |
5566 | |
5567 | static int | |
5568 | timeval_subtract (result, x, y) | |
5569 | struct timeval *result, x, y; | |
5570 | { | |
06a2c219 GM |
5571 | /* Perform the carry for the later subtraction by updating y. This |
5572 | is safer because on some systems the tv_sec member is unsigned. */ | |
dbc4e1c1 JB |
5573 | if (x.tv_usec < y.tv_usec) |
5574 | { | |
5575 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
5576 | y.tv_usec -= 1000000 * nsec; | |
5577 | y.tv_sec += nsec; | |
5578 | } | |
7d0393cf | 5579 | |
dbc4e1c1 JB |
5580 | if (x.tv_usec - y.tv_usec > 1000000) |
5581 | { | |
5582 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
5583 | y.tv_usec += 1000000 * nsec; | |
5584 | y.tv_sec -= nsec; | |
5585 | } | |
5586 | ||
06a2c219 GM |
5587 | /* Compute the time remaining to wait. tv_usec is certainly |
5588 | positive. */ | |
dbc4e1c1 JB |
5589 | result->tv_sec = x.tv_sec - y.tv_sec; |
5590 | result->tv_usec = x.tv_usec - y.tv_usec; | |
5591 | ||
06a2c219 GM |
5592 | /* Return indication of whether the result should be considered |
5593 | negative. */ | |
dbc4e1c1 JB |
5594 | return x.tv_sec < y.tv_sec; |
5595 | } | |
dc6f92b8 | 5596 | |
dfcf069d | 5597 | void |
f676886a JB |
5598 | XTflash (f) |
5599 | struct frame *f; | |
dc6f92b8 | 5600 | { |
dbc4e1c1 | 5601 | BLOCK_INPUT; |
dc6f92b8 | 5602 | |
dbc4e1c1 JB |
5603 | { |
5604 | GC gc; | |
dc6f92b8 | 5605 | |
06a2c219 GM |
5606 | /* Create a GC that will use the GXxor function to flip foreground |
5607 | pixels into background pixels. */ | |
dbc4e1c1 JB |
5608 | { |
5609 | XGCValues values; | |
dc6f92b8 | 5610 | |
dbc4e1c1 | 5611 | values.function = GXxor; |
7556890b RS |
5612 | values.foreground = (f->output_data.x->foreground_pixel |
5613 | ^ f->output_data.x->background_pixel); | |
58769bee | 5614 | |
334208b7 | 5615 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
5616 | GCFunction | GCForeground, &values); |
5617 | } | |
dc6f92b8 | 5618 | |
dbc4e1c1 | 5619 | { |
e84e14c3 RS |
5620 | /* Get the height not including a menu bar widget. */ |
5621 | int height = CHAR_TO_PIXEL_HEIGHT (f, FRAME_HEIGHT (f)); | |
5622 | /* Height of each line to flash. */ | |
5623 | int flash_height = FRAME_LINE_HEIGHT (f); | |
5624 | /* These will be the left and right margins of the rectangles. */ | |
5625 | int flash_left = FRAME_INTERNAL_BORDER_WIDTH (f); | |
5626 | int flash_right = PIXEL_WIDTH (f) - FRAME_INTERNAL_BORDER_WIDTH (f); | |
5627 | ||
5628 | int width; | |
5629 | ||
5630 | /* Don't flash the area between a scroll bar and the frame | |
5631 | edge it is next to. */ | |
5632 | switch (FRAME_VERTICAL_SCROLL_BAR_TYPE (f)) | |
5633 | { | |
5634 | case vertical_scroll_bar_left: | |
5635 | flash_left += VERTICAL_SCROLL_BAR_WIDTH_TRIM; | |
5636 | break; | |
5637 | ||
5638 | case vertical_scroll_bar_right: | |
5639 | flash_right -= VERTICAL_SCROLL_BAR_WIDTH_TRIM; | |
5640 | break; | |
06a2c219 GM |
5641 | |
5642 | default: | |
5643 | break; | |
e84e14c3 RS |
5644 | } |
5645 | ||
5646 | width = flash_right - flash_left; | |
5647 | ||
5648 | /* If window is tall, flash top and bottom line. */ | |
5649 | if (height > 3 * FRAME_LINE_HEIGHT (f)) | |
5650 | { | |
5651 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
06a2c219 GM |
5652 | flash_left, |
5653 | (FRAME_INTERNAL_BORDER_WIDTH (f) | |
9ea173e8 | 5654 | + FRAME_TOOL_BAR_LINES (f) * CANON_Y_UNIT (f)), |
e84e14c3 RS |
5655 | width, flash_height); |
5656 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
5657 | flash_left, | |
5658 | (height - flash_height | |
5659 | - FRAME_INTERNAL_BORDER_WIDTH (f)), | |
5660 | width, flash_height); | |
5661 | } | |
5662 | else | |
7d0393cf | 5663 | /* If it is short, flash it all. */ |
e84e14c3 RS |
5664 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
5665 | flash_left, FRAME_INTERNAL_BORDER_WIDTH (f), | |
5666 | width, height - 2 * FRAME_INTERNAL_BORDER_WIDTH (f)); | |
dc6f92b8 | 5667 | |
06a2c219 | 5668 | x_flush (f); |
dc6f92b8 | 5669 | |
dbc4e1c1 | 5670 | { |
06a2c219 | 5671 | struct timeval wakeup; |
dc6f92b8 | 5672 | |
66c30ea1 | 5673 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 5674 | |
dbc4e1c1 JB |
5675 | /* Compute time to wait until, propagating carry from usecs. */ |
5676 | wakeup.tv_usec += 150000; | |
5677 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
5678 | wakeup.tv_usec %= 1000000; | |
5679 | ||
101922c3 GM |
5680 | /* Keep waiting until past the time wakeup or any input gets |
5681 | available. */ | |
5682 | while (! detect_input_pending ()) | |
dbc4e1c1 | 5683 | { |
101922c3 | 5684 | struct timeval current; |
dbc4e1c1 JB |
5685 | struct timeval timeout; |
5686 | ||
101922c3 | 5687 | EMACS_GET_TIME (current); |
dbc4e1c1 | 5688 | |
101922c3 GM |
5689 | /* Break if result would be negative. */ |
5690 | if (timeval_subtract (¤t, wakeup, current)) | |
dbc4e1c1 JB |
5691 | break; |
5692 | ||
101922c3 GM |
5693 | /* How long `select' should wait. */ |
5694 | timeout.tv_sec = 0; | |
5695 | timeout.tv_usec = 10000; | |
5696 | ||
dbc4e1c1 | 5697 | /* Try to wait that long--but we might wake up sooner. */ |
c32cdd9a | 5698 | select (0, NULL, NULL, NULL, &timeout); |
dbc4e1c1 JB |
5699 | } |
5700 | } | |
58769bee | 5701 | |
e84e14c3 RS |
5702 | /* If window is tall, flash top and bottom line. */ |
5703 | if (height > 3 * FRAME_LINE_HEIGHT (f)) | |
5704 | { | |
5705 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
06a2c219 GM |
5706 | flash_left, |
5707 | (FRAME_INTERNAL_BORDER_WIDTH (f) | |
9ea173e8 | 5708 | + FRAME_TOOL_BAR_LINES (f) * CANON_Y_UNIT (f)), |
e84e14c3 RS |
5709 | width, flash_height); |
5710 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
5711 | flash_left, | |
5712 | (height - flash_height | |
5713 | - FRAME_INTERNAL_BORDER_WIDTH (f)), | |
5714 | width, flash_height); | |
5715 | } | |
5716 | else | |
7d0393cf | 5717 | /* If it is short, flash it all. */ |
e84e14c3 RS |
5718 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
5719 | flash_left, FRAME_INTERNAL_BORDER_WIDTH (f), | |
5720 | width, height - 2 * FRAME_INTERNAL_BORDER_WIDTH (f)); | |
5721 | ||
334208b7 | 5722 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
06a2c219 | 5723 | x_flush (f); |
dc6f92b8 | 5724 | } |
dbc4e1c1 JB |
5725 | } |
5726 | ||
5727 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
5728 | } |
5729 | ||
06a2c219 | 5730 | #endif /* defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) */ |
dbc4e1c1 JB |
5731 | |
5732 | ||
dc6f92b8 JB |
5733 | /* Make audible bell. */ |
5734 | ||
dfcf069d | 5735 | void |
dc6f92b8 JB |
5736 | XTring_bell () |
5737 | { | |
b86bd3dd | 5738 | struct frame *f = SELECTED_FRAME (); |
7d0393cf | 5739 | |
b86bd3dd GM |
5740 | if (FRAME_X_DISPLAY (f)) |
5741 | { | |
dbc4e1c1 | 5742 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
b86bd3dd GM |
5743 | if (visible_bell) |
5744 | XTflash (f); | |
5745 | else | |
dbc4e1c1 | 5746 | #endif |
b86bd3dd GM |
5747 | { |
5748 | BLOCK_INPUT; | |
5749 | XBell (FRAME_X_DISPLAY (f), 0); | |
5750 | XFlush (FRAME_X_DISPLAY (f)); | |
5751 | UNBLOCK_INPUT; | |
5752 | } | |
dc6f92b8 JB |
5753 | } |
5754 | } | |
06a2c219 | 5755 | |
dc6f92b8 | 5756 | \f |
06a2c219 GM |
5757 | /* Specify how many text lines, from the top of the window, |
5758 | should be affected by insert-lines and delete-lines operations. | |
5759 | This, and those operations, are used only within an update | |
5760 | that is bounded by calls to x_update_begin and x_update_end. */ | |
dc6f92b8 | 5761 | |
dfcf069d | 5762 | static void |
06a2c219 GM |
5763 | XTset_terminal_window (n) |
5764 | register int n; | |
dc6f92b8 | 5765 | { |
06a2c219 | 5766 | /* This function intentionally left blank. */ |
dc6f92b8 JB |
5767 | } |
5768 | ||
06a2c219 GM |
5769 | |
5770 | \f | |
5771 | /*********************************************************************** | |
5772 | Line Dance | |
5773 | ***********************************************************************/ | |
5774 | ||
5775 | /* Perform an insert-lines or delete-lines operation, inserting N | |
5776 | lines or deleting -N lines at vertical position VPOS. */ | |
5777 | ||
dfcf069d | 5778 | static void |
06a2c219 GM |
5779 | x_ins_del_lines (vpos, n) |
5780 | int vpos, n; | |
dc6f92b8 JB |
5781 | { |
5782 | abort (); | |
5783 | } | |
06a2c219 GM |
5784 | |
5785 | ||
5786 | /* Scroll part of the display as described by RUN. */ | |
dc6f92b8 | 5787 | |
dfcf069d | 5788 | static void |
06a2c219 GM |
5789 | x_scroll_run (w, run) |
5790 | struct window *w; | |
5791 | struct run *run; | |
dc6f92b8 | 5792 | { |
06a2c219 GM |
5793 | struct frame *f = XFRAME (w->frame); |
5794 | int x, y, width, height, from_y, to_y, bottom_y; | |
5795 | ||
5796 | /* Get frame-relative bounding box of the text display area of W, | |
3f332ef3 KS |
5797 | without mode lines. Include in this box the left and right |
5798 | fringe of W. */ | |
06a2c219 | 5799 | window_box (w, -1, &x, &y, &width, &height); |
3f332ef3 KS |
5800 | width += FRAME_X_FRINGE_WIDTH (f); |
5801 | x -= FRAME_X_LEFT_FRINGE_WIDTH (f); | |
06a2c219 GM |
5802 | |
5803 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y); | |
5804 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y); | |
5805 | bottom_y = y + height; | |
dc6f92b8 | 5806 | |
06a2c219 GM |
5807 | if (to_y < from_y) |
5808 | { | |
5809 | /* Scrolling up. Make sure we don't copy part of the mode | |
5810 | line at the bottom. */ | |
5811 | if (from_y + run->height > bottom_y) | |
5812 | height = bottom_y - from_y; | |
5813 | else | |
5814 | height = run->height; | |
5815 | } | |
dc6f92b8 | 5816 | else |
06a2c219 GM |
5817 | { |
5818 | /* Scolling down. Make sure we don't copy over the mode line. | |
5819 | at the bottom. */ | |
5820 | if (to_y + run->height > bottom_y) | |
5821 | height = bottom_y - to_y; | |
5822 | else | |
5823 | height = run->height; | |
5824 | } | |
7a13e894 | 5825 | |
06a2c219 | 5826 | BLOCK_INPUT; |
7d0393cf | 5827 | |
06a2c219 GM |
5828 | /* Cursor off. Will be switched on again in x_update_window_end. */ |
5829 | updated_window = w; | |
5830 | x_clear_cursor (w); | |
5831 | ||
5832 | XCopyArea (FRAME_X_DISPLAY (f), | |
5833 | FRAME_X_WINDOW (f), FRAME_X_WINDOW (f), | |
5834 | f->output_data.x->normal_gc, | |
5835 | x, from_y, | |
5836 | width, height, | |
5837 | x, to_y); | |
7d0393cf | 5838 | |
06a2c219 GM |
5839 | UNBLOCK_INPUT; |
5840 | } | |
dc6f92b8 | 5841 | |
dc6f92b8 | 5842 | |
06a2c219 GM |
5843 | \f |
5844 | /*********************************************************************** | |
5845 | Exposure Events | |
5846 | ***********************************************************************/ | |
7d0393cf | 5847 | |
06a2c219 GM |
5848 | /* Redisplay an exposed area of frame F. X and Y are the upper-left |
5849 | corner of the exposed rectangle. W and H are width and height of | |
5850 | the exposed area. All are pixel values. W or H zero means redraw | |
5851 | the entire frame. */ | |
dc6f92b8 | 5852 | |
06a2c219 GM |
5853 | static void |
5854 | expose_frame (f, x, y, w, h) | |
5855 | struct frame *f; | |
5856 | int x, y, w, h; | |
dc6f92b8 | 5857 | { |
06a2c219 | 5858 | XRectangle r; |
82f053ab | 5859 | int mouse_face_overwritten_p = 0; |
dc6f92b8 | 5860 | |
06a2c219 | 5861 | TRACE ((stderr, "expose_frame ")); |
dc6f92b8 | 5862 | |
06a2c219 GM |
5863 | /* No need to redraw if frame will be redrawn soon. */ |
5864 | if (FRAME_GARBAGED_P (f)) | |
dc6f92b8 | 5865 | { |
06a2c219 GM |
5866 | TRACE ((stderr, " garbaged\n")); |
5867 | return; | |
5868 | } | |
5869 | ||
5870 | /* If basic faces haven't been realized yet, there is no point in | |
5871 | trying to redraw anything. This can happen when we get an expose | |
5872 | event while Emacs is starting, e.g. by moving another window. */ | |
5873 | if (FRAME_FACE_CACHE (f) == NULL | |
5874 | || FRAME_FACE_CACHE (f)->used < BASIC_FACE_ID_SENTINEL) | |
5875 | { | |
5876 | TRACE ((stderr, " no faces\n")); | |
5877 | return; | |
58769bee | 5878 | } |
06a2c219 GM |
5879 | |
5880 | if (w == 0 || h == 0) | |
58769bee | 5881 | { |
06a2c219 GM |
5882 | r.x = r.y = 0; |
5883 | r.width = CANON_X_UNIT (f) * f->width; | |
5884 | r.height = CANON_Y_UNIT (f) * f->height; | |
dc6f92b8 JB |
5885 | } |
5886 | else | |
5887 | { | |
06a2c219 GM |
5888 | r.x = x; |
5889 | r.y = y; | |
5890 | r.width = w; | |
5891 | r.height = h; | |
5892 | } | |
5893 | ||
5894 | TRACE ((stderr, "(%d, %d, %d, %d)\n", r.x, r.y, r.width, r.height)); | |
82f053ab | 5895 | mouse_face_overwritten_p = expose_window_tree (XWINDOW (f->root_window), &r); |
06a2c219 | 5896 | |
9ea173e8 | 5897 | if (WINDOWP (f->tool_bar_window)) |
82f053ab GM |
5898 | mouse_face_overwritten_p |
5899 | |= expose_window (XWINDOW (f->tool_bar_window), &r); | |
06a2c219 GM |
5900 | |
5901 | #ifndef USE_X_TOOLKIT | |
5902 | if (WINDOWP (f->menu_bar_window)) | |
82f053ab GM |
5903 | mouse_face_overwritten_p |
5904 | |= expose_window (XWINDOW (f->menu_bar_window), &r); | |
06a2c219 | 5905 | #endif /* not USE_X_TOOLKIT */ |
82f053ab GM |
5906 | |
5907 | /* Some window managers support a focus-follows-mouse style with | |
5908 | delayed raising of frames. Imagine a partially obscured frame, | |
5909 | and moving the mouse into partially obscured mouse-face on that | |
5910 | frame. The visible part of the mouse-face will be highlighted, | |
5911 | then the WM raises the obscured frame. With at least one WM, KDE | |
5912 | 2.1, Emacs is not getting any event for the raising of the frame | |
5913 | (even tried with SubstructureRedirectMask), only Expose events. | |
5914 | These expose events will draw text normally, i.e. not | |
5915 | highlighted. Which means we must redo the highlight here. | |
5916 | Subsume it under ``we love X''. --gerd 2001-08-15 */ | |
5917 | if (mouse_face_overwritten_p && !FRAME_GARBAGED_P (f)) | |
5918 | { | |
5919 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
5920 | if (f == dpyinfo->mouse_face_mouse_frame) | |
5921 | { | |
5922 | int x = dpyinfo->mouse_face_mouse_x; | |
5923 | int y = dpyinfo->mouse_face_mouse_y; | |
5924 | clear_mouse_face (dpyinfo); | |
5925 | note_mouse_highlight (f, x, y); | |
5926 | } | |
5927 | } | |
dc6f92b8 JB |
5928 | } |
5929 | ||
06a2c219 GM |
5930 | |
5931 | /* Redraw (parts) of all windows in the window tree rooted at W that | |
82f053ab GM |
5932 | intersect R. R contains frame pixel coordinates. Value is |
5933 | non-zero if the exposure overwrites mouse-face. */ | |
06a2c219 | 5934 | |
82f053ab | 5935 | static int |
06a2c219 GM |
5936 | expose_window_tree (w, r) |
5937 | struct window *w; | |
5938 | XRectangle *r; | |
dc6f92b8 | 5939 | { |
82f053ab GM |
5940 | struct frame *f = XFRAME (w->frame); |
5941 | int mouse_face_overwritten_p = 0; | |
7d0393cf | 5942 | |
82f053ab | 5943 | while (w && !FRAME_GARBAGED_P (f)) |
06a2c219 GM |
5944 | { |
5945 | if (!NILP (w->hchild)) | |
82f053ab GM |
5946 | mouse_face_overwritten_p |
5947 | |= expose_window_tree (XWINDOW (w->hchild), r); | |
06a2c219 | 5948 | else if (!NILP (w->vchild)) |
82f053ab GM |
5949 | mouse_face_overwritten_p |
5950 | |= expose_window_tree (XWINDOW (w->vchild), r); | |
5951 | else | |
5952 | mouse_face_overwritten_p |= expose_window (w, r); | |
7d0393cf | 5953 | |
a02f1be0 | 5954 | w = NILP (w->next) ? NULL : XWINDOW (w->next); |
06a2c219 | 5955 | } |
82f053ab GM |
5956 | |
5957 | return mouse_face_overwritten_p; | |
06a2c219 | 5958 | } |
58769bee | 5959 | |
dc6f92b8 | 5960 | |
06a2c219 GM |
5961 | /* Redraw the part of glyph row area AREA of glyph row ROW on window W |
5962 | which intersects rectangle R. R is in window-relative coordinates. */ | |
5963 | ||
5964 | static void | |
5965 | expose_area (w, row, r, area) | |
5966 | struct window *w; | |
5967 | struct glyph_row *row; | |
5968 | XRectangle *r; | |
5969 | enum glyph_row_area area; | |
5970 | { | |
06a2c219 GM |
5971 | struct glyph *first = row->glyphs[area]; |
5972 | struct glyph *end = row->glyphs[area] + row->used[area]; | |
5973 | struct glyph *last; | |
4bc6dcc7 | 5974 | int first_x, start_x, x; |
06a2c219 | 5975 | |
6fb13182 GM |
5976 | if (area == TEXT_AREA && row->fill_line_p) |
5977 | /* If row extends face to end of line write the whole line. */ | |
153f5ed7 | 5978 | x_draw_glyphs (w, 0, row, area, 0, row->used[area], |
f0a48a01 | 5979 | DRAW_NORMAL_TEXT, 0); |
6fb13182 GM |
5980 | else |
5981 | { | |
4bc6dcc7 GM |
5982 | /* Set START_X to the window-relative start position for drawing glyphs of |
5983 | AREA. The first glyph of the text area can be partially visible. | |
5984 | The first glyphs of other areas cannot. */ | |
5985 | if (area == LEFT_MARGIN_AREA) | |
5986 | start_x = 0; | |
5987 | else if (area == TEXT_AREA) | |
5988 | start_x = row->x + window_box_width (w, LEFT_MARGIN_AREA); | |
5989 | else | |
5990 | start_x = (window_box_width (w, LEFT_MARGIN_AREA) | |
5991 | + window_box_width (w, TEXT_AREA)); | |
5992 | x = start_x; | |
5993 | ||
6fb13182 GM |
5994 | /* Find the first glyph that must be redrawn. */ |
5995 | while (first < end | |
5996 | && x + first->pixel_width < r->x) | |
5997 | { | |
5998 | x += first->pixel_width; | |
5999 | ++first; | |
6000 | } | |
7d0393cf | 6001 | |
6fb13182 GM |
6002 | /* Find the last one. */ |
6003 | last = first; | |
6004 | first_x = x; | |
6005 | while (last < end | |
6006 | && x < r->x + r->width) | |
6007 | { | |
6008 | x += last->pixel_width; | |
6009 | ++last; | |
6010 | } | |
7d0393cf | 6011 | |
6fb13182 GM |
6012 | /* Repaint. */ |
6013 | if (last > first) | |
4bc6dcc7 | 6014 | x_draw_glyphs (w, first_x - start_x, row, area, |
6fb13182 GM |
6015 | first - row->glyphs[area], |
6016 | last - row->glyphs[area], | |
f0a48a01 | 6017 | DRAW_NORMAL_TEXT, 0); |
6fb13182 | 6018 | } |
06a2c219 | 6019 | } |
7d0393cf | 6020 | |
58769bee | 6021 | |
06a2c219 | 6022 | /* Redraw the parts of the glyph row ROW on window W intersecting |
82f053ab GM |
6023 | rectangle R. R is in window-relative coordinates. Value is |
6024 | non-zero if mouse-face was overwritten. */ | |
dc6f92b8 | 6025 | |
82f053ab | 6026 | static int |
06a2c219 GM |
6027 | expose_line (w, row, r) |
6028 | struct window *w; | |
6029 | struct glyph_row *row; | |
6030 | XRectangle *r; | |
6031 | { | |
6032 | xassert (row->enabled_p); | |
7d0393cf | 6033 | |
06a2c219 GM |
6034 | if (row->mode_line_p || w->pseudo_window_p) |
6035 | x_draw_glyphs (w, 0, row, TEXT_AREA, 0, row->used[TEXT_AREA], | |
f0a48a01 | 6036 | DRAW_NORMAL_TEXT, 0); |
06a2c219 GM |
6037 | else |
6038 | { | |
6039 | if (row->used[LEFT_MARGIN_AREA]) | |
6040 | expose_area (w, row, r, LEFT_MARGIN_AREA); | |
6041 | if (row->used[TEXT_AREA]) | |
6042 | expose_area (w, row, r, TEXT_AREA); | |
6043 | if (row->used[RIGHT_MARGIN_AREA]) | |
6044 | expose_area (w, row, r, RIGHT_MARGIN_AREA); | |
3f332ef3 | 6045 | x_draw_row_fringe_bitmaps (w, row); |
06a2c219 | 6046 | } |
82f053ab GM |
6047 | |
6048 | return row->mouse_face_p; | |
06a2c219 | 6049 | } |
dc6f92b8 | 6050 | |
58769bee | 6051 | |
06a2c219 GM |
6052 | /* Return non-zero if W's cursor intersects rectangle R. */ |
6053 | ||
6054 | static int | |
6055 | x_phys_cursor_in_rect_p (w, r) | |
6056 | struct window *w; | |
6057 | XRectangle *r; | |
6058 | { | |
6059 | XRectangle cr, result; | |
6060 | struct glyph *cursor_glyph; | |
6061 | ||
6062 | cursor_glyph = get_phys_cursor_glyph (w); | |
6063 | if (cursor_glyph) | |
6064 | { | |
6065 | cr.x = w->phys_cursor.x; | |
6066 | cr.y = w->phys_cursor.y; | |
6067 | cr.width = cursor_glyph->pixel_width; | |
6068 | cr.height = w->phys_cursor_height; | |
6069 | return x_intersect_rectangles (&cr, r, &result); | |
6070 | } | |
6071 | else | |
6072 | return 0; | |
dc6f92b8 | 6073 | } |
dc6f92b8 | 6074 | |
06a2c219 | 6075 | |
4f53f3b8 RS |
6076 | /* Redraw those parts of glyphs rows during expose event handling that |
6077 | overlap other rows. Redrawing of an exposed line writes over parts | |
6078 | of lines overlapping that exposed line; this function fixes that. | |
6079 | ||
6080 | W is the window being exposed. FIRST_OVERLAPPING_ROW is the first | |
6081 | row in W's current matrix that is exposed and overlaps other rows. | |
6082 | LAST_OVERLAPPING_ROW is the last such row. */ | |
6083 | ||
6084 | static void | |
6085 | expose_overlaps (w, first_overlapping_row, last_overlapping_row) | |
6086 | struct window *w; | |
6087 | struct glyph_row *first_overlapping_row; | |
6088 | struct glyph_row *last_overlapping_row; | |
6089 | { | |
6090 | struct glyph_row *row; | |
7d0393cf | 6091 | |
4f53f3b8 RS |
6092 | for (row = first_overlapping_row; row <= last_overlapping_row; ++row) |
6093 | if (row->overlapping_p) | |
6094 | { | |
6095 | xassert (row->enabled_p && !row->mode_line_p); | |
7d0393cf | 6096 | |
4f53f3b8 RS |
6097 | if (row->used[LEFT_MARGIN_AREA]) |
6098 | x_fix_overlapping_area (w, row, LEFT_MARGIN_AREA); | |
7d0393cf | 6099 | |
4f53f3b8 RS |
6100 | if (row->used[TEXT_AREA]) |
6101 | x_fix_overlapping_area (w, row, TEXT_AREA); | |
7d0393cf | 6102 | |
4f53f3b8 RS |
6103 | if (row->used[RIGHT_MARGIN_AREA]) |
6104 | x_fix_overlapping_area (w, row, RIGHT_MARGIN_AREA); | |
6105 | } | |
6106 | } | |
6107 | ||
6108 | ||
a02f1be0 GM |
6109 | /* Redraw the part of window W intersection rectangle FR. Pixel |
6110 | coordinates in FR are frame-relative. Call this function with | |
82f053ab GM |
6111 | input blocked. Value is non-zero if the exposure overwrites |
6112 | mouse-face. */ | |
dc6f92b8 | 6113 | |
a39202f6 | 6114 | static int |
a02f1be0 | 6115 | expose_window (w, fr) |
06a2c219 | 6116 | struct window *w; |
a02f1be0 | 6117 | XRectangle *fr; |
dc6f92b8 | 6118 | { |
a02f1be0 | 6119 | struct frame *f = XFRAME (w->frame); |
a02f1be0 | 6120 | XRectangle wr, r; |
82f053ab | 6121 | int mouse_face_overwritten_p = 0; |
dc6f92b8 | 6122 | |
80c32bcc GM |
6123 | /* If window is not yet fully initialized, do nothing. This can |
6124 | happen when toolkit scroll bars are used and a window is split. | |
6125 | Reconfiguring the scroll bar will generate an expose for a newly | |
6126 | created window. */ | |
a39202f6 | 6127 | if (w->current_matrix == NULL) |
82f053ab | 6128 | return 0; |
a39202f6 GM |
6129 | |
6130 | /* When we're currently updating the window, display and current | |
6131 | matrix usually don't agree. Arrange for a thorough display | |
6132 | later. */ | |
6133 | if (w == updated_window) | |
6134 | { | |
6135 | SET_FRAME_GARBAGED (f); | |
6136 | return 0; | |
6137 | } | |
80c32bcc | 6138 | |
a39202f6 | 6139 | /* Frame-relative pixel rectangle of W. */ |
a02f1be0 GM |
6140 | wr.x = XFASTINT (w->left) * CANON_X_UNIT (f); |
6141 | wr.y = XFASTINT (w->top) * CANON_Y_UNIT (f); | |
6142 | wr.width = XFASTINT (w->width) * CANON_X_UNIT (f); | |
6143 | wr.height = XFASTINT (w->height) * CANON_Y_UNIT (f); | |
6144 | ||
a39202f6 GM |
6145 | if (x_intersect_rectangles (fr, &wr, &r)) |
6146 | { | |
6147 | int yb = window_text_bottom_y (w); | |
6148 | struct glyph_row *row; | |
6149 | int cursor_cleared_p; | |
4f53f3b8 | 6150 | struct glyph_row *first_overlapping_row, *last_overlapping_row; |
7d0393cf | 6151 | |
a39202f6 GM |
6152 | TRACE ((stderr, "expose_window (%d, %d, %d, %d)\n", |
6153 | r.x, r.y, r.width, r.height)); | |
dc6f92b8 | 6154 | |
a39202f6 GM |
6155 | /* Convert to window coordinates. */ |
6156 | r.x = FRAME_TO_WINDOW_PIXEL_X (w, r.x); | |
6157 | r.y = FRAME_TO_WINDOW_PIXEL_Y (w, r.y); | |
dc6f92b8 | 6158 | |
a39202f6 GM |
6159 | /* Turn off the cursor. */ |
6160 | if (!w->pseudo_window_p | |
6161 | && x_phys_cursor_in_rect_p (w, &r)) | |
6162 | { | |
6163 | x_clear_cursor (w); | |
6164 | cursor_cleared_p = 1; | |
6165 | } | |
6166 | else | |
6167 | cursor_cleared_p = 0; | |
06a2c219 | 6168 | |
4f53f3b8 RS |
6169 | /* Update lines intersecting rectangle R. */ |
6170 | first_overlapping_row = last_overlapping_row = NULL; | |
a39202f6 GM |
6171 | for (row = w->current_matrix->rows; |
6172 | row->enabled_p; | |
6173 | ++row) | |
6174 | { | |
6175 | int y0 = row->y; | |
6176 | int y1 = MATRIX_ROW_BOTTOM_Y (row); | |
7d0393cf | 6177 | |
a39202f6 GM |
6178 | if ((y0 >= r.y && y0 < r.y + r.height) |
6179 | || (y1 > r.y && y1 < r.y + r.height) | |
6180 | || (r.y >= y0 && r.y < y1) | |
6181 | || (r.y + r.height > y0 && r.y + r.height < y1)) | |
82f053ab | 6182 | { |
4f53f3b8 RS |
6183 | if (row->overlapping_p) |
6184 | { | |
6185 | if (first_overlapping_row == NULL) | |
6186 | first_overlapping_row = row; | |
6187 | last_overlapping_row = row; | |
6188 | } | |
7d0393cf | 6189 | |
82f053ab GM |
6190 | if (expose_line (w, row, &r)) |
6191 | mouse_face_overwritten_p = 1; | |
6192 | } | |
7d0393cf | 6193 | |
a39202f6 GM |
6194 | if (y1 >= yb) |
6195 | break; | |
6196 | } | |
dc6f92b8 | 6197 | |
a39202f6 GM |
6198 | /* Display the mode line if there is one. */ |
6199 | if (WINDOW_WANTS_MODELINE_P (w) | |
6200 | && (row = MATRIX_MODE_LINE_ROW (w->current_matrix), | |
6201 | row->enabled_p) | |
6202 | && row->y < r.y + r.height) | |
82f053ab GM |
6203 | { |
6204 | if (expose_line (w, row, &r)) | |
6205 | mouse_face_overwritten_p = 1; | |
6206 | } | |
a39202f6 GM |
6207 | |
6208 | if (!w->pseudo_window_p) | |
6209 | { | |
4f53f3b8 RS |
6210 | /* Fix the display of overlapping rows. */ |
6211 | if (first_overlapping_row) | |
6212 | expose_overlaps (w, first_overlapping_row, last_overlapping_row); | |
7d0393cf | 6213 | |
a39202f6 GM |
6214 | /* Draw border between windows. */ |
6215 | x_draw_vertical_border (w); | |
7d0393cf | 6216 | |
a39202f6 GM |
6217 | /* Turn the cursor on again. */ |
6218 | if (cursor_cleared_p) | |
6219 | x_update_window_cursor (w, 1); | |
6220 | } | |
06a2c219 | 6221 | } |
82f053ab GM |
6222 | |
6223 | return mouse_face_overwritten_p; | |
06a2c219 | 6224 | } |
dc6f92b8 | 6225 | |
dc6f92b8 | 6226 | |
06a2c219 GM |
6227 | /* Determine the intersection of two rectangles R1 and R2. Return |
6228 | the intersection in *RESULT. Value is non-zero if RESULT is not | |
6229 | empty. */ | |
6230 | ||
6231 | static int | |
6232 | x_intersect_rectangles (r1, r2, result) | |
6233 | XRectangle *r1, *r2, *result; | |
6234 | { | |
6235 | XRectangle *left, *right; | |
6236 | XRectangle *upper, *lower; | |
6237 | int intersection_p = 0; | |
7d0393cf | 6238 | |
06a2c219 GM |
6239 | /* Rearrange so that R1 is the left-most rectangle. */ |
6240 | if (r1->x < r2->x) | |
6241 | left = r1, right = r2; | |
6242 | else | |
6243 | left = r2, right = r1; | |
6244 | ||
6245 | /* X0 of the intersection is right.x0, if this is inside R1, | |
6246 | otherwise there is no intersection. */ | |
6247 | if (right->x <= left->x + left->width) | |
6248 | { | |
6249 | result->x = right->x; | |
7d0393cf | 6250 | |
06a2c219 GM |
6251 | /* The right end of the intersection is the minimum of the |
6252 | the right ends of left and right. */ | |
6253 | result->width = (min (left->x + left->width, right->x + right->width) | |
6254 | - result->x); | |
6255 | ||
6256 | /* Same game for Y. */ | |
6257 | if (r1->y < r2->y) | |
6258 | upper = r1, lower = r2; | |
6259 | else | |
6260 | upper = r2, lower = r1; | |
6261 | ||
6262 | /* The upper end of the intersection is lower.y0, if this is inside | |
6263 | of upper. Otherwise, there is no intersection. */ | |
6264 | if (lower->y <= upper->y + upper->height) | |
dc43ef94 | 6265 | { |
06a2c219 | 6266 | result->y = lower->y; |
7d0393cf | 6267 | |
06a2c219 GM |
6268 | /* The lower end of the intersection is the minimum of the lower |
6269 | ends of upper and lower. */ | |
7d0393cf | 6270 | result->height = (min (lower->y + lower->height, |
06a2c219 GM |
6271 | upper->y + upper->height) |
6272 | - result->y); | |
6273 | intersection_p = 1; | |
dc43ef94 | 6274 | } |
dc6f92b8 JB |
6275 | } |
6276 | ||
06a2c219 | 6277 | return intersection_p; |
dc6f92b8 | 6278 | } |
06a2c219 GM |
6279 | |
6280 | ||
6281 | ||
6282 | ||
dc6f92b8 | 6283 | \f |
dc6f92b8 | 6284 | static void |
334208b7 RS |
6285 | frame_highlight (f) |
6286 | struct frame *f; | |
dc6f92b8 | 6287 | { |
b3e1e05c JB |
6288 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
6289 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
6290 | and border pixel are window attributes which are "private to the | |
6291 | client", so we can always change it to whatever we want. */ | |
6292 | BLOCK_INPUT; | |
334208b7 | 6293 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 6294 | f->output_data.x->border_pixel); |
b3e1e05c | 6295 | UNBLOCK_INPUT; |
5d46f928 | 6296 | x_update_cursor (f, 1); |
dc6f92b8 JB |
6297 | } |
6298 | ||
6299 | static void | |
334208b7 RS |
6300 | frame_unhighlight (f) |
6301 | struct frame *f; | |
dc6f92b8 | 6302 | { |
b3e1e05c JB |
6303 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
6304 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
6305 | and border pixel are window attributes which are "private to the | |
6306 | client", so we can always change it to whatever we want. */ | |
6307 | BLOCK_INPUT; | |
334208b7 | 6308 | XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 6309 | f->output_data.x->border_tile); |
b3e1e05c | 6310 | UNBLOCK_INPUT; |
5d46f928 | 6311 | x_update_cursor (f, 1); |
dc6f92b8 | 6312 | } |
dc6f92b8 | 6313 | |
f676886a JB |
6314 | /* The focus has changed. Update the frames as necessary to reflect |
6315 | the new situation. Note that we can't change the selected frame | |
c5acd733 | 6316 | here, because the Lisp code we are interrupting might become confused. |
eb8c3be9 | 6317 | Each event gets marked with the frame in which it occurred, so the |
c5acd733 | 6318 | Lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 6319 | |
6d4238f3 | 6320 | static void |
0f941935 KH |
6321 | x_new_focus_frame (dpyinfo, frame) |
6322 | struct x_display_info *dpyinfo; | |
f676886a | 6323 | struct frame *frame; |
dc6f92b8 | 6324 | { |
0f941935 | 6325 | struct frame *old_focus = dpyinfo->x_focus_frame; |
dc6f92b8 | 6326 | |
0f941935 | 6327 | if (frame != dpyinfo->x_focus_frame) |
dc6f92b8 | 6328 | { |
58769bee | 6329 | /* Set this before calling other routines, so that they see |
f676886a | 6330 | the correct value of x_focus_frame. */ |
0f941935 | 6331 | dpyinfo->x_focus_frame = frame; |
6d4238f3 JB |
6332 | |
6333 | if (old_focus && old_focus->auto_lower) | |
f676886a | 6334 | x_lower_frame (old_focus); |
dc6f92b8 JB |
6335 | |
6336 | #if 0 | |
f676886a | 6337 | selected_frame = frame; |
e0c1aef2 KH |
6338 | XSETFRAME (XWINDOW (selected_frame->selected_window)->frame, |
6339 | selected_frame); | |
f676886a JB |
6340 | Fselect_window (selected_frame->selected_window); |
6341 | choose_minibuf_frame (); | |
c118dd06 | 6342 | #endif /* ! 0 */ |
dc6f92b8 | 6343 | |
0f941935 KH |
6344 | if (dpyinfo->x_focus_frame && dpyinfo->x_focus_frame->auto_raise) |
6345 | pending_autoraise_frame = dpyinfo->x_focus_frame; | |
0134a210 RS |
6346 | else |
6347 | pending_autoraise_frame = 0; | |
6d4238f3 | 6348 | } |
dc6f92b8 | 6349 | |
0f941935 | 6350 | x_frame_rehighlight (dpyinfo); |
6d4238f3 JB |
6351 | } |
6352 | ||
cab34f50 JD |
6353 | /* Handle FocusIn and FocusOut state changes for FRAME. |
6354 | If FRAME has focus and there exists more than one frame, puts | |
7d0393cf | 6355 | a FOCUS_IN_EVENT into BUFP. |
cab34f50 JD |
6356 | Returns number of events inserted into BUFP. */ |
6357 | ||
6358 | static int | |
6359 | x_focus_changed (type, state, dpyinfo, frame, bufp, numchars) | |
6360 | int type; | |
6361 | int state; | |
6362 | struct x_display_info *dpyinfo; | |
6363 | struct frame *frame; | |
6364 | struct input_event *bufp; | |
6365 | int numchars; | |
6366 | { | |
6367 | int nr_events = 0; | |
6368 | ||
6369 | if (type == FocusIn) | |
6370 | { | |
6371 | if (dpyinfo->x_focus_event_frame != frame) | |
6372 | { | |
6373 | x_new_focus_frame (dpyinfo, frame); | |
6374 | dpyinfo->x_focus_event_frame = frame; | |
7d0393cf | 6375 | |
cab34f50 JD |
6376 | /* Don't stop displaying the initial startup message |
6377 | for a switch-frame event we don't need. */ | |
6378 | if (numchars > 0 | |
6379 | && GC_NILP (Vterminal_frame) | |
6380 | && GC_CONSP (Vframe_list) | |
6381 | && !GC_NILP (XCDR (Vframe_list))) | |
6382 | { | |
6383 | bufp->kind = FOCUS_IN_EVENT; | |
6384 | XSETFRAME (bufp->frame_or_window, frame); | |
6385 | bufp->arg = Qnil; | |
6386 | ++bufp; | |
6387 | numchars--; | |
6388 | ++nr_events; | |
6389 | } | |
6390 | } | |
6391 | ||
6392 | frame->output_data.x->focus_state |= state; | |
6393 | ||
6394 | #ifdef HAVE_X_I18N | |
6395 | if (FRAME_XIC (frame)) | |
6396 | XSetICFocus (FRAME_XIC (frame)); | |
6397 | #endif | |
6398 | } | |
6399 | else if (type == FocusOut) | |
6400 | { | |
6401 | frame->output_data.x->focus_state &= ~state; | |
7d0393cf | 6402 | |
cab34f50 JD |
6403 | if (dpyinfo->x_focus_event_frame == frame) |
6404 | { | |
6405 | dpyinfo->x_focus_event_frame = 0; | |
6406 | x_new_focus_frame (dpyinfo, 0); | |
6407 | } | |
6408 | ||
6409 | #ifdef HAVE_X_I18N | |
6410 | if (FRAME_XIC (frame)) | |
6411 | XUnsetICFocus (FRAME_XIC (frame)); | |
6412 | #endif | |
6413 | } | |
6414 | ||
6415 | return nr_events; | |
6416 | } | |
6417 | ||
6418 | /* The focus may have changed. Figure out if it is a real focus change, | |
6419 | by checking both FocusIn/Out and Enter/LeaveNotify events. | |
6420 | ||
6421 | Returns number of events inserted into BUFP. */ | |
6422 | ||
6423 | static int | |
6424 | x_detect_focus_change (dpyinfo, event, bufp, numchars) | |
6425 | struct x_display_info *dpyinfo; | |
6426 | XEvent *event; | |
6427 | struct input_event *bufp; | |
6428 | int numchars; | |
6429 | { | |
6430 | struct frame *frame; | |
6431 | int nr_events = 0; | |
7d0393cf | 6432 | |
cab34f50 JD |
6433 | frame = x_top_window_to_frame (dpyinfo, event->xany.window); |
6434 | if (! frame) return nr_events; | |
7d0393cf | 6435 | |
cab34f50 JD |
6436 | switch (event->type) |
6437 | { | |
6438 | case EnterNotify: | |
6439 | case LeaveNotify: | |
6440 | if (event->xcrossing.detail != NotifyInferior | |
6441 | && event->xcrossing.focus | |
6442 | && ! (frame->output_data.x->focus_state & FOCUS_EXPLICIT)) | |
6443 | nr_events = x_focus_changed ((event->type == EnterNotify | |
6444 | ? FocusIn : FocusOut), | |
6445 | FOCUS_IMPLICIT, | |
6446 | dpyinfo, | |
6447 | frame, | |
6448 | bufp, | |
6449 | numchars); | |
6450 | break; | |
6451 | ||
6452 | case FocusIn: | |
6453 | case FocusOut: | |
6454 | nr_events = x_focus_changed (event->type, | |
6455 | (event->xfocus.detail == NotifyPointer | |
6456 | ? FOCUS_IMPLICIT : FOCUS_EXPLICIT), | |
6457 | dpyinfo, | |
6458 | frame, | |
6459 | bufp, | |
6460 | numchars); | |
6461 | break; | |
6462 | } | |
6463 | ||
6464 | return nr_events; | |
6465 | } | |
6466 | ||
6467 | ||
37c2c98b RS |
6468 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ |
6469 | ||
6470 | void | |
0f941935 KH |
6471 | x_mouse_leave (dpyinfo) |
6472 | struct x_display_info *dpyinfo; | |
37c2c98b | 6473 | { |
0f941935 | 6474 | x_new_focus_frame (dpyinfo, dpyinfo->x_focus_event_frame); |
37c2c98b | 6475 | } |
6d4238f3 | 6476 | |
f451eb13 JB |
6477 | /* The focus has changed, or we have redirected a frame's focus to |
6478 | another frame (this happens when a frame uses a surrogate | |
06a2c219 | 6479 | mini-buffer frame). Shift the highlight as appropriate. |
0f941935 KH |
6480 | |
6481 | The FRAME argument doesn't necessarily have anything to do with which | |
06a2c219 | 6482 | frame is being highlighted or un-highlighted; we only use it to find |
0f941935 | 6483 | the appropriate X display info. */ |
06a2c219 | 6484 | |
6d4238f3 | 6485 | static void |
0f941935 KH |
6486 | XTframe_rehighlight (frame) |
6487 | struct frame *frame; | |
6d4238f3 | 6488 | { |
0f941935 KH |
6489 | x_frame_rehighlight (FRAME_X_DISPLAY_INFO (frame)); |
6490 | } | |
6d4238f3 | 6491 | |
0f941935 KH |
6492 | static void |
6493 | x_frame_rehighlight (dpyinfo) | |
6494 | struct x_display_info *dpyinfo; | |
6495 | { | |
6496 | struct frame *old_highlight = dpyinfo->x_highlight_frame; | |
6497 | ||
6498 | if (dpyinfo->x_focus_frame) | |
6d4238f3 | 6499 | { |
0f941935 KH |
6500 | dpyinfo->x_highlight_frame |
6501 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))) | |
6502 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame)) | |
6503 | : dpyinfo->x_focus_frame); | |
6504 | if (! FRAME_LIVE_P (dpyinfo->x_highlight_frame)) | |
f451eb13 | 6505 | { |
0f941935 KH |
6506 | FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame) = Qnil; |
6507 | dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame; | |
f451eb13 | 6508 | } |
dc6f92b8 | 6509 | } |
6d4238f3 | 6510 | else |
0f941935 | 6511 | dpyinfo->x_highlight_frame = 0; |
dc6f92b8 | 6512 | |
0f941935 | 6513 | if (dpyinfo->x_highlight_frame != old_highlight) |
6d4238f3 JB |
6514 | { |
6515 | if (old_highlight) | |
f676886a | 6516 | frame_unhighlight (old_highlight); |
0f941935 KH |
6517 | if (dpyinfo->x_highlight_frame) |
6518 | frame_highlight (dpyinfo->x_highlight_frame); | |
6d4238f3 | 6519 | } |
dc6f92b8 | 6520 | } |
06a2c219 GM |
6521 | |
6522 | ||
dc6f92b8 | 6523 | \f |
06a2c219 | 6524 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 6525 | |
28430d3c JB |
6526 | /* Initialize mode_switch_bit and modifier_meaning. */ |
6527 | static void | |
334208b7 RS |
6528 | x_find_modifier_meanings (dpyinfo) |
6529 | struct x_display_info *dpyinfo; | |
28430d3c | 6530 | { |
f689eb05 | 6531 | int min_code, max_code; |
28430d3c JB |
6532 | KeySym *syms; |
6533 | int syms_per_code; | |
6534 | XModifierKeymap *mods; | |
6535 | ||
334208b7 RS |
6536 | dpyinfo->meta_mod_mask = 0; |
6537 | dpyinfo->shift_lock_mask = 0; | |
6538 | dpyinfo->alt_mod_mask = 0; | |
6539 | dpyinfo->super_mod_mask = 0; | |
6540 | dpyinfo->hyper_mod_mask = 0; | |
58769bee | 6541 | |
9658a521 | 6542 | #ifdef HAVE_X11R4 |
334208b7 | 6543 | XDisplayKeycodes (dpyinfo->display, &min_code, &max_code); |
9658a521 | 6544 | #else |
4a60f8c5 RS |
6545 | min_code = dpyinfo->display->min_keycode; |
6546 | max_code = dpyinfo->display->max_keycode; | |
9658a521 JB |
6547 | #endif |
6548 | ||
334208b7 | 6549 | syms = XGetKeyboardMapping (dpyinfo->display, |
28430d3c JB |
6550 | min_code, max_code - min_code + 1, |
6551 | &syms_per_code); | |
334208b7 | 6552 | mods = XGetModifierMapping (dpyinfo->display); |
28430d3c | 6553 | |
58769bee | 6554 | /* Scan the modifier table to see which modifier bits the Meta and |
11edeb03 | 6555 | Alt keysyms are on. */ |
28430d3c | 6556 | { |
06a2c219 | 6557 | int row, col; /* The row and column in the modifier table. */ |
28430d3c JB |
6558 | |
6559 | for (row = 3; row < 8; row++) | |
6560 | for (col = 0; col < mods->max_keypermod; col++) | |
6561 | { | |
0299d313 RS |
6562 | KeyCode code |
6563 | = mods->modifiermap[(row * mods->max_keypermod) + col]; | |
28430d3c | 6564 | |
af92970c KH |
6565 | /* Zeroes are used for filler. Skip them. */ |
6566 | if (code == 0) | |
6567 | continue; | |
6568 | ||
28430d3c JB |
6569 | /* Are any of this keycode's keysyms a meta key? */ |
6570 | { | |
6571 | int code_col; | |
6572 | ||
6573 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
6574 | { | |
f689eb05 | 6575 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 6576 | |
f689eb05 | 6577 | switch (sym) |
28430d3c | 6578 | { |
f689eb05 JB |
6579 | case XK_Meta_L: |
6580 | case XK_Meta_R: | |
334208b7 | 6581 | dpyinfo->meta_mod_mask |= (1 << row); |
28430d3c | 6582 | break; |
f689eb05 JB |
6583 | |
6584 | case XK_Alt_L: | |
6585 | case XK_Alt_R: | |
334208b7 | 6586 | dpyinfo->alt_mod_mask |= (1 << row); |
a3c44b14 RS |
6587 | break; |
6588 | ||
6589 | case XK_Hyper_L: | |
6590 | case XK_Hyper_R: | |
334208b7 | 6591 | dpyinfo->hyper_mod_mask |= (1 << row); |
a3c44b14 RS |
6592 | break; |
6593 | ||
6594 | case XK_Super_L: | |
6595 | case XK_Super_R: | |
334208b7 | 6596 | dpyinfo->super_mod_mask |= (1 << row); |
f689eb05 | 6597 | break; |
11edeb03 JB |
6598 | |
6599 | case XK_Shift_Lock: | |
6600 | /* Ignore this if it's not on the lock modifier. */ | |
6601 | if ((1 << row) == LockMask) | |
334208b7 | 6602 | dpyinfo->shift_lock_mask = LockMask; |
11edeb03 | 6603 | break; |
28430d3c JB |
6604 | } |
6605 | } | |
6606 | } | |
6607 | } | |
6608 | } | |
6609 | ||
f689eb05 | 6610 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
334208b7 | 6611 | if (! dpyinfo->meta_mod_mask) |
a3c44b14 | 6612 | { |
334208b7 RS |
6613 | dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask; |
6614 | dpyinfo->alt_mod_mask = 0; | |
a3c44b14 | 6615 | } |
f689eb05 | 6616 | |
148c4b70 RS |
6617 | /* If some keys are both alt and meta, |
6618 | make them just meta, not alt. */ | |
334208b7 | 6619 | if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask) |
148c4b70 | 6620 | { |
334208b7 | 6621 | dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask; |
148c4b70 | 6622 | } |
58769bee | 6623 | |
28430d3c | 6624 | XFree ((char *) syms); |
f689eb05 | 6625 | XFreeModifiermap (mods); |
28430d3c JB |
6626 | } |
6627 | ||
dfeccd2d JB |
6628 | /* Convert between the modifier bits X uses and the modifier bits |
6629 | Emacs uses. */ | |
06a2c219 | 6630 | |
7c5283e4 | 6631 | static unsigned int |
334208b7 RS |
6632 | x_x_to_emacs_modifiers (dpyinfo, state) |
6633 | struct x_display_info *dpyinfo; | |
dc6f92b8 JB |
6634 | unsigned int state; |
6635 | { | |
98659da6 KG |
6636 | EMACS_UINT mod_meta = meta_modifier; |
6637 | EMACS_UINT mod_alt = alt_modifier; | |
6638 | EMACS_UINT mod_hyper = hyper_modifier; | |
6639 | EMACS_UINT mod_super = super_modifier; | |
6640 | Lisp_Object tem; | |
7d0393cf | 6641 | |
98659da6 KG |
6642 | tem = Fget (Vx_alt_keysym, Qmodifier_value); |
6643 | if (! EQ (tem, Qnil)) mod_alt = XUINT (tem); | |
6644 | tem = Fget (Vx_meta_keysym, Qmodifier_value); | |
6645 | if (! EQ (tem, Qnil)) mod_meta = XUINT (tem); | |
6646 | tem = Fget (Vx_hyper_keysym, Qmodifier_value); | |
6647 | if (! EQ (tem, Qnil)) mod_hyper = XUINT (tem); | |
6648 | tem = Fget (Vx_super_keysym, Qmodifier_value); | |
6649 | if (! EQ (tem, Qnil)) mod_super = XUINT (tem); | |
7d0393cf | 6650 | |
98659da6 | 6651 | |
334208b7 | 6652 | return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0) |
98659da6 KG |
6653 | | ((state & ControlMask) ? ctrl_modifier : 0) |
6654 | | ((state & dpyinfo->meta_mod_mask) ? mod_meta : 0) | |
6655 | | ((state & dpyinfo->alt_mod_mask) ? mod_alt : 0) | |
6656 | | ((state & dpyinfo->super_mod_mask) ? mod_super : 0) | |
6657 | | ((state & dpyinfo->hyper_mod_mask) ? mod_hyper : 0)); | |
dc6f92b8 JB |
6658 | } |
6659 | ||
dfeccd2d | 6660 | static unsigned int |
334208b7 RS |
6661 | x_emacs_to_x_modifiers (dpyinfo, state) |
6662 | struct x_display_info *dpyinfo; | |
dfeccd2d JB |
6663 | unsigned int state; |
6664 | { | |
98659da6 KG |
6665 | EMACS_UINT mod_meta = meta_modifier; |
6666 | EMACS_UINT mod_alt = alt_modifier; | |
6667 | EMACS_UINT mod_hyper = hyper_modifier; | |
6668 | EMACS_UINT mod_super = super_modifier; | |
7d0393cf | 6669 | |
98659da6 | 6670 | Lisp_Object tem; |
7d0393cf | 6671 | |
98659da6 KG |
6672 | tem = Fget (Vx_alt_keysym, Qmodifier_value); |
6673 | if (! EQ (tem, Qnil)) mod_alt = XUINT (tem); | |
6674 | tem = Fget (Vx_meta_keysym, Qmodifier_value); | |
6675 | if (! EQ (tem, Qnil)) mod_meta = XUINT (tem); | |
6676 | tem = Fget (Vx_hyper_keysym, Qmodifier_value); | |
6677 | if (! EQ (tem, Qnil)) mod_hyper = XUINT (tem); | |
6678 | tem = Fget (Vx_super_keysym, Qmodifier_value); | |
6679 | if (! EQ (tem, Qnil)) mod_super = XUINT (tem); | |
7d0393cf JB |
6680 | |
6681 | ||
98659da6 KG |
6682 | return ( ((state & mod_alt) ? dpyinfo->alt_mod_mask : 0) |
6683 | | ((state & mod_super) ? dpyinfo->super_mod_mask : 0) | |
6684 | | ((state & mod_hyper) ? dpyinfo->hyper_mod_mask : 0) | |
6685 | | ((state & shift_modifier) ? ShiftMask : 0) | |
6686 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
6687 | | ((state & mod_meta) ? dpyinfo->meta_mod_mask : 0)); | |
dfeccd2d | 6688 | } |
d047c4eb KH |
6689 | |
6690 | /* Convert a keysym to its name. */ | |
6691 | ||
6692 | char * | |
6693 | x_get_keysym_name (keysym) | |
6694 | KeySym keysym; | |
6695 | { | |
6696 | char *value; | |
6697 | ||
6698 | BLOCK_INPUT; | |
6699 | value = XKeysymToString (keysym); | |
6700 | UNBLOCK_INPUT; | |
6701 | ||
6702 | return value; | |
6703 | } | |
06a2c219 GM |
6704 | |
6705 | ||
e4571a43 JB |
6706 | \f |
6707 | /* Mouse clicks and mouse movement. Rah. */ | |
e4571a43 | 6708 | |
06a2c219 GM |
6709 | /* Given a pixel position (PIX_X, PIX_Y) on frame F, return glyph |
6710 | co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle that the | |
6711 | glyph at X, Y occupies, if BOUNDS != 0. If NOCLIP is non-zero, do | |
6712 | not force the value into range. */ | |
69388238 | 6713 | |
c8dba240 | 6714 | void |
69388238 | 6715 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 6716 | FRAME_PTR f; |
69388238 | 6717 | register int pix_x, pix_y; |
e4571a43 JB |
6718 | register int *x, *y; |
6719 | XRectangle *bounds; | |
69388238 | 6720 | int noclip; |
e4571a43 | 6721 | { |
06a2c219 | 6722 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
69388238 RS |
6723 | even for negative values. */ |
6724 | if (pix_x < 0) | |
7556890b | 6725 | pix_x -= FONT_WIDTH ((f)->output_data.x->font) - 1; |
69388238 | 6726 | if (pix_y < 0) |
7556890b | 6727 | pix_y -= (f)->output_data.x->line_height - 1; |
69388238 | 6728 | |
e4571a43 JB |
6729 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
6730 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
6731 | ||
6732 | if (bounds) | |
6733 | { | |
7556890b RS |
6734 | bounds->width = FONT_WIDTH (f->output_data.x->font); |
6735 | bounds->height = f->output_data.x->line_height; | |
e4571a43 JB |
6736 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
6737 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
6738 | } | |
6739 | ||
69388238 RS |
6740 | if (!noclip) |
6741 | { | |
6742 | if (pix_x < 0) | |
6743 | pix_x = 0; | |
3cbd2e0b RS |
6744 | else if (pix_x > FRAME_WINDOW_WIDTH (f)) |
6745 | pix_x = FRAME_WINDOW_WIDTH (f); | |
69388238 RS |
6746 | |
6747 | if (pix_y < 0) | |
6748 | pix_y = 0; | |
6749 | else if (pix_y > f->height) | |
6750 | pix_y = f->height; | |
6751 | } | |
e4571a43 JB |
6752 | |
6753 | *x = pix_x; | |
6754 | *y = pix_y; | |
6755 | } | |
6756 | ||
06a2c219 GM |
6757 | |
6758 | /* Given HPOS/VPOS in the current matrix of W, return corresponding | |
6759 | frame-relative pixel positions in *FRAME_X and *FRAME_Y. If we | |
6760 | can't tell the positions because W's display is not up to date, | |
6761 | return 0. */ | |
6762 | ||
6763 | int | |
6764 | glyph_to_pixel_coords (w, hpos, vpos, frame_x, frame_y) | |
6765 | struct window *w; | |
6766 | int hpos, vpos; | |
6767 | int *frame_x, *frame_y; | |
2b5c9e71 | 6768 | { |
06a2c219 GM |
6769 | int success_p; |
6770 | ||
6771 | xassert (hpos >= 0 && hpos < w->current_matrix->matrix_w); | |
6772 | xassert (vpos >= 0 && vpos < w->current_matrix->matrix_h); | |
6773 | ||
6774 | if (display_completed) | |
6775 | { | |
6776 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, vpos); | |
6777 | struct glyph *glyph = row->glyphs[TEXT_AREA]; | |
6778 | struct glyph *end = glyph + min (hpos, row->used[TEXT_AREA]); | |
6779 | ||
6780 | *frame_y = row->y; | |
6781 | *frame_x = row->x; | |
6782 | while (glyph < end) | |
6783 | { | |
6784 | *frame_x += glyph->pixel_width; | |
6785 | ++glyph; | |
6786 | } | |
6787 | ||
6788 | success_p = 1; | |
6789 | } | |
6790 | else | |
6791 | { | |
6792 | *frame_y = *frame_x = 0; | |
6793 | success_p = 0; | |
6794 | } | |
6795 | ||
6796 | *frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, *frame_y); | |
6797 | *frame_x = WINDOW_TO_FRAME_PIXEL_X (w, *frame_x); | |
6798 | return success_p; | |
2b5c9e71 RS |
6799 | } |
6800 | ||
06a2c219 | 6801 | |
dc6f92b8 JB |
6802 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
6803 | ||
6804 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 6805 | the mouse. */ |
dc6f92b8 JB |
6806 | |
6807 | static Lisp_Object | |
f451eb13 | 6808 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
6809 | struct input_event *result; |
6810 | XButtonEvent *event; | |
f676886a | 6811 | struct frame *f; |
dc6f92b8 | 6812 | { |
3b8f9651 | 6813 | /* Make the event type NO_EVENT; we'll change that when we decide |
dc6f92b8 | 6814 | otherwise. */ |
3b8f9651 | 6815 | result->kind = MOUSE_CLICK_EVENT; |
69388238 | 6816 | result->code = event->button - Button1; |
1113d9db | 6817 | result->timestamp = event->time; |
334208b7 RS |
6818 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
6819 | event->state) | |
f689eb05 | 6820 | | (event->type == ButtonRelease |
58769bee | 6821 | ? up_modifier |
f689eb05 | 6822 | : down_modifier)); |
dc6f92b8 | 6823 | |
06a2c219 GM |
6824 | XSETINT (result->x, event->x); |
6825 | XSETINT (result->y, event->y); | |
6826 | XSETFRAME (result->frame_or_window, f); | |
0f8aabe9 | 6827 | result->arg = Qnil; |
06a2c219 | 6828 | return Qnil; |
dc6f92b8 | 6829 | } |
b849c413 | 6830 | |
69388238 | 6831 | \f |
90e65f07 JB |
6832 | /* Function to report a mouse movement to the mainstream Emacs code. |
6833 | The input handler calls this. | |
6834 | ||
6835 | We have received a mouse movement event, which is given in *event. | |
6836 | If the mouse is over a different glyph than it was last time, tell | |
6837 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
6838 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 6839 | |
06a2c219 GM |
6840 | static XMotionEvent last_mouse_motion_event; |
6841 | static Lisp_Object last_mouse_motion_frame; | |
6842 | ||
90e65f07 | 6843 | static void |
12ba150f | 6844 | note_mouse_movement (frame, event) |
f676886a | 6845 | FRAME_PTR frame; |
90e65f07 | 6846 | XMotionEvent *event; |
90e65f07 | 6847 | { |
e5d77022 | 6848 | last_mouse_movement_time = event->time; |
06a2c219 GM |
6849 | last_mouse_motion_event = *event; |
6850 | XSETFRAME (last_mouse_motion_frame, frame); | |
e5d77022 | 6851 | |
27f338af RS |
6852 | if (event->window != FRAME_X_WINDOW (frame)) |
6853 | { | |
39d8bb4d | 6854 | frame->mouse_moved = 1; |
27f338af | 6855 | last_mouse_scroll_bar = Qnil; |
27f338af | 6856 | note_mouse_highlight (frame, -1, -1); |
27f338af RS |
6857 | } |
6858 | ||
90e65f07 | 6859 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
6860 | else if (event->x < last_mouse_glyph.x |
6861 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
6862 | || event->y < last_mouse_glyph.y | |
6863 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f | 6864 | { |
39d8bb4d | 6865 | frame->mouse_moved = 1; |
ab648270 | 6866 | last_mouse_scroll_bar = Qnil; |
b8009dd1 | 6867 | note_mouse_highlight (frame, event->x, event->y); |
90e65f07 JB |
6868 | } |
6869 | } | |
6870 | ||
06a2c219 GM |
6871 | \f |
6872 | /************************************************************************ | |
6873 | Mouse Face | |
6874 | ************************************************************************/ | |
6875 | ||
6876 | /* Find the glyph under window-relative coordinates X/Y in window W. | |
6877 | Consider only glyphs from buffer text, i.e. no glyphs from overlay | |
6878 | strings. Return in *HPOS and *VPOS the row and column number of | |
6879 | the glyph found. Return in *AREA the glyph area containing X. | |
6880 | Value is a pointer to the glyph found or null if X/Y is not on | |
6881 | text, or we can't tell because W's current matrix is not up to | |
6882 | date. */ | |
6883 | ||
6884 | static struct glyph * | |
f9db2310 | 6885 | x_y_to_hpos_vpos (w, x, y, hpos, vpos, area, buffer_only_p) |
06a2c219 GM |
6886 | struct window *w; |
6887 | int x, y; | |
6888 | int *hpos, *vpos, *area; | |
f9db2310 | 6889 | int buffer_only_p; |
06a2c219 GM |
6890 | { |
6891 | struct glyph *glyph, *end; | |
3e71d8f2 | 6892 | struct glyph_row *row = NULL; |
06a2c219 GM |
6893 | int x0, i, left_area_width; |
6894 | ||
6895 | /* Find row containing Y. Give up if some row is not enabled. */ | |
6896 | for (i = 0; i < w->current_matrix->nrows; ++i) | |
6897 | { | |
6898 | row = MATRIX_ROW (w->current_matrix, i); | |
6899 | if (!row->enabled_p) | |
6900 | return NULL; | |
6901 | if (y >= row->y && y < MATRIX_ROW_BOTTOM_Y (row)) | |
6902 | break; | |
6903 | } | |
6904 | ||
6905 | *vpos = i; | |
6906 | *hpos = 0; | |
6907 | ||
6908 | /* Give up if Y is not in the window. */ | |
6909 | if (i == w->current_matrix->nrows) | |
6910 | return NULL; | |
6911 | ||
6912 | /* Get the glyph area containing X. */ | |
6913 | if (w->pseudo_window_p) | |
6914 | { | |
6915 | *area = TEXT_AREA; | |
6916 | x0 = 0; | |
6917 | } | |
6918 | else | |
6919 | { | |
6920 | left_area_width = window_box_width (w, LEFT_MARGIN_AREA); | |
6921 | if (x < left_area_width) | |
6922 | { | |
6923 | *area = LEFT_MARGIN_AREA; | |
6924 | x0 = 0; | |
6925 | } | |
6926 | else if (x < left_area_width + window_box_width (w, TEXT_AREA)) | |
6927 | { | |
6928 | *area = TEXT_AREA; | |
6929 | x0 = row->x + left_area_width; | |
6930 | } | |
6931 | else | |
6932 | { | |
6933 | *area = RIGHT_MARGIN_AREA; | |
6934 | x0 = left_area_width + window_box_width (w, TEXT_AREA); | |
6935 | } | |
6936 | } | |
6937 | ||
6938 | /* Find glyph containing X. */ | |
6939 | glyph = row->glyphs[*area]; | |
6940 | end = glyph + row->used[*area]; | |
6941 | while (glyph < end) | |
6942 | { | |
6943 | if (x < x0 + glyph->pixel_width) | |
6944 | { | |
6945 | if (w->pseudo_window_p) | |
6946 | break; | |
f9db2310 | 6947 | else if (!buffer_only_p || BUFFERP (glyph->object)) |
06a2c219 GM |
6948 | break; |
6949 | } | |
7d0393cf | 6950 | |
06a2c219 GM |
6951 | x0 += glyph->pixel_width; |
6952 | ++glyph; | |
6953 | } | |
6954 | ||
6955 | if (glyph == end) | |
6956 | return NULL; | |
6957 | ||
6958 | *hpos = glyph - row->glyphs[*area]; | |
6959 | return glyph; | |
6960 | } | |
6961 | ||
6962 | ||
6963 | /* Convert frame-relative x/y to coordinates relative to window W. | |
6964 | Takes pseudo-windows into account. */ | |
6965 | ||
6966 | static void | |
6967 | frame_to_window_pixel_xy (w, x, y) | |
6968 | struct window *w; | |
6969 | int *x, *y; | |
6970 | { | |
6971 | if (w->pseudo_window_p) | |
6972 | { | |
6973 | /* A pseudo-window is always full-width, and starts at the | |
6974 | left edge of the frame, plus a frame border. */ | |
6975 | struct frame *f = XFRAME (w->frame); | |
6976 | *x -= FRAME_INTERNAL_BORDER_WIDTH_SAFE (f); | |
6977 | *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y); | |
6978 | } | |
6979 | else | |
6980 | { | |
6981 | *x = FRAME_TO_WINDOW_PIXEL_X (w, *x); | |
6982 | *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y); | |
6983 | } | |
6984 | } | |
6985 | ||
6986 | ||
b436feb6 GM |
6987 | /* Take proper action when mouse has moved to the mode or header line |
6988 | or marginal area of window W, x-position X and y-position Y. Area | |
6989 | is 1, 3, 6 or 7 for the mode line, header line, left and right | |
6990 | marginal area respectively. X is relative to the start of the text | |
6991 | display area of W, so the width of bitmap areas and scroll bars | |
6992 | must be subtracted to get a position relative to the start of the | |
6993 | mode line. */ | |
7d0393cf | 6994 | |
06a2c219 | 6995 | static void |
b436feb6 | 6996 | note_mode_line_or_margin_highlight (w, x, y, portion) |
06a2c219 | 6997 | struct window *w; |
b436feb6 | 6998 | int x, y, portion; |
06a2c219 GM |
6999 | { |
7000 | struct frame *f = XFRAME (w->frame); | |
7001 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
7002 | Cursor cursor = dpyinfo->vertical_scroll_bar_cursor; | |
2a793c0c | 7003 | int charpos; |
b436feb6 | 7004 | Lisp_Object string, help, map, pos; |
06a2c219 | 7005 | |
b436feb6 GM |
7006 | if (portion == 1 || portion == 3) |
7007 | string = mode_line_string (w, x, y, portion == 1, &charpos); | |
7008 | else | |
7009 | string = marginal_area_string (w, x, y, portion, &charpos); | |
e371a781 | 7010 | |
b436feb6 | 7011 | if (STRINGP (string)) |
06a2c219 | 7012 | { |
b436feb6 | 7013 | pos = make_number (charpos); |
7d0393cf | 7014 | |
b436feb6 GM |
7015 | /* If we're on a string with `help-echo' text property, arrange |
7016 | for the help to be displayed. This is done by setting the | |
7017 | global variable help_echo to the help string. */ | |
7018 | help = Fget_text_property (pos, Qhelp_echo, string); | |
7019 | if (!NILP (help)) | |
06a2c219 | 7020 | { |
b436feb6 GM |
7021 | help_echo = help; |
7022 | XSETWINDOW (help_echo_window, w); | |
7023 | help_echo_object = string; | |
7024 | help_echo_pos = charpos; | |
06a2c219 GM |
7025 | } |
7026 | ||
b436feb6 GM |
7027 | /* Change the mouse pointer according to what is under X/Y. */ |
7028 | map = Fget_text_property (pos, Qlocal_map, string); | |
7029 | if (!KEYMAPP (map)) | |
7030 | map = Fget_text_property (pos, Qkeymap, string); | |
7031 | if (KEYMAPP (map)) | |
7032 | cursor = f->output_data.x->nontext_cursor; | |
06a2c219 | 7033 | } |
7d0393cf | 7034 | |
06a2c219 GM |
7035 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor); |
7036 | } | |
7037 | ||
7038 | ||
7039 | /* Take proper action when the mouse has moved to position X, Y on | |
7040 | frame F as regards highlighting characters that have mouse-face | |
7041 | properties. Also de-highlighting chars where the mouse was before. | |
27f338af | 7042 | X and Y can be negative or out of range. */ |
b8009dd1 RS |
7043 | |
7044 | static void | |
7045 | note_mouse_highlight (f, x, y) | |
06a2c219 | 7046 | struct frame *f; |
c32cdd9a | 7047 | int x, y; |
b8009dd1 | 7048 | { |
06a2c219 GM |
7049 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
7050 | int portion; | |
b8009dd1 RS |
7051 | Lisp_Object window; |
7052 | struct window *w; | |
0d487c52 GM |
7053 | Cursor cursor = None; |
7054 | struct buffer *b; | |
b8009dd1 | 7055 | |
06a2c219 GM |
7056 | /* When a menu is active, don't highlight because this looks odd. */ |
7057 | #ifdef USE_X_TOOLKIT | |
7058 | if (popup_activated ()) | |
7059 | return; | |
7060 | #endif | |
7061 | ||
66301061 | 7062 | if (NILP (Vmouse_highlight) |
04fff9c0 | 7063 | || !f->glyphs_initialized_p) |
bf1c0ba1 RS |
7064 | return; |
7065 | ||
06a2c219 GM |
7066 | dpyinfo->mouse_face_mouse_x = x; |
7067 | dpyinfo->mouse_face_mouse_y = y; | |
7068 | dpyinfo->mouse_face_mouse_frame = f; | |
b8009dd1 | 7069 | |
06a2c219 | 7070 | if (dpyinfo->mouse_face_defer) |
b8009dd1 RS |
7071 | return; |
7072 | ||
514e4681 RS |
7073 | if (gc_in_progress) |
7074 | { | |
06a2c219 | 7075 | dpyinfo->mouse_face_deferred_gc = 1; |
514e4681 RS |
7076 | return; |
7077 | } | |
7078 | ||
b8009dd1 | 7079 | /* Which window is that in? */ |
06a2c219 | 7080 | window = window_from_coordinates (f, x, y, &portion, 1); |
b8009dd1 RS |
7081 | |
7082 | /* If we were displaying active text in another window, clear that. */ | |
06a2c219 GM |
7083 | if (! EQ (window, dpyinfo->mouse_face_window)) |
7084 | clear_mouse_face (dpyinfo); | |
7085 | ||
7086 | /* Not on a window -> return. */ | |
7087 | if (!WINDOWP (window)) | |
7088 | return; | |
7089 | ||
7090 | /* Convert to window-relative pixel coordinates. */ | |
7091 | w = XWINDOW (window); | |
7092 | frame_to_window_pixel_xy (w, &x, &y); | |
7093 | ||
9ea173e8 | 7094 | /* Handle tool-bar window differently since it doesn't display a |
06a2c219 | 7095 | buffer. */ |
9ea173e8 | 7096 | if (EQ (window, f->tool_bar_window)) |
06a2c219 | 7097 | { |
9ea173e8 | 7098 | note_tool_bar_highlight (f, x, y); |
06a2c219 GM |
7099 | return; |
7100 | } | |
7101 | ||
b436feb6 GM |
7102 | /* Mouse is on the mode, header line or margin? */ |
7103 | if (portion == 1 || portion == 3 || portion == 6 || portion == 7) | |
06a2c219 | 7104 | { |
b436feb6 | 7105 | note_mode_line_or_margin_highlight (w, x, y, portion); |
06a2c219 GM |
7106 | return; |
7107 | } | |
7d0393cf | 7108 | |
0d487c52 GM |
7109 | if (portion == 2) |
7110 | cursor = f->output_data.x->horizontal_drag_cursor; | |
06a2c219 | 7111 | else |
0d487c52 | 7112 | cursor = f->output_data.x->text_cursor; |
b8009dd1 | 7113 | |
0cdd0c9f RS |
7114 | /* Are we in a window whose display is up to date? |
7115 | And verify the buffer's text has not changed. */ | |
0d487c52 | 7116 | b = XBUFFER (w->buffer); |
06a2c219 GM |
7117 | if (/* Within text portion of the window. */ |
7118 | portion == 0 | |
0cdd0c9f | 7119 | && EQ (w->window_end_valid, w->buffer) |
0d487c52 GM |
7120 | && XFASTINT (w->last_modified) == BUF_MODIFF (b) |
7121 | && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b)) | |
b8009dd1 | 7122 | { |
06a2c219 GM |
7123 | int hpos, vpos, pos, i, area; |
7124 | struct glyph *glyph; | |
f9db2310 | 7125 | Lisp_Object object; |
0d487c52 GM |
7126 | Lisp_Object mouse_face = Qnil, overlay = Qnil, position; |
7127 | Lisp_Object *overlay_vec = NULL; | |
7128 | int len, noverlays; | |
7129 | struct buffer *obuf; | |
7130 | int obegv, ozv, same_region; | |
b8009dd1 | 7131 | |
06a2c219 | 7132 | /* Find the glyph under X/Y. */ |
f9db2310 | 7133 | glyph = x_y_to_hpos_vpos (w, x, y, &hpos, &vpos, &area, 0); |
06a2c219 GM |
7134 | |
7135 | /* Clear mouse face if X/Y not over text. */ | |
7136 | if (glyph == NULL | |
7137 | || area != TEXT_AREA | |
7138 | || !MATRIX_ROW (w->current_matrix, vpos)->displays_text_p) | |
b8009dd1 | 7139 | { |
fa262c07 GM |
7140 | if (clear_mouse_face (dpyinfo)) |
7141 | cursor = None; | |
7142 | goto set_cursor; | |
06a2c219 GM |
7143 | } |
7144 | ||
7145 | pos = glyph->charpos; | |
f9db2310 GM |
7146 | object = glyph->object; |
7147 | if (!STRINGP (object) && !BUFFERP (object)) | |
fa262c07 | 7148 | goto set_cursor; |
06a2c219 | 7149 | |
0d487c52 GM |
7150 | /* If we get an out-of-range value, return now; avoid an error. */ |
7151 | if (BUFFERP (object) && pos > BUF_Z (b)) | |
fa262c07 | 7152 | goto set_cursor; |
06a2c219 | 7153 | |
0d487c52 GM |
7154 | /* Make the window's buffer temporarily current for |
7155 | overlays_at and compute_char_face. */ | |
7156 | obuf = current_buffer; | |
7157 | current_buffer = b; | |
7158 | obegv = BEGV; | |
7159 | ozv = ZV; | |
7160 | BEGV = BEG; | |
7161 | ZV = Z; | |
06a2c219 | 7162 | |
0d487c52 GM |
7163 | /* Is this char mouse-active or does it have help-echo? */ |
7164 | position = make_number (pos); | |
f9db2310 | 7165 | |
0d487c52 GM |
7166 | if (BUFFERP (object)) |
7167 | { | |
7168 | /* Put all the overlays we want in a vector in overlay_vec. | |
7169 | Store the length in len. If there are more than 10, make | |
7170 | enough space for all, and try again. */ | |
7171 | len = 10; | |
7172 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
7173 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL, 0); | |
7174 | if (noverlays > len) | |
7175 | { | |
7176 | len = noverlays; | |
7177 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
7178 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL,0); | |
7179 | } | |
f8349001 | 7180 | |
0d487c52 GM |
7181 | /* Sort overlays into increasing priority order. */ |
7182 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
7183 | } | |
7184 | else | |
7185 | noverlays = 0; | |
7186 | ||
7187 | same_region = (EQ (window, dpyinfo->mouse_face_window) | |
7188 | && vpos >= dpyinfo->mouse_face_beg_row | |
7189 | && vpos <= dpyinfo->mouse_face_end_row | |
7190 | && (vpos > dpyinfo->mouse_face_beg_row | |
7191 | || hpos >= dpyinfo->mouse_face_beg_col) | |
7192 | && (vpos < dpyinfo->mouse_face_end_row | |
7193 | || hpos < dpyinfo->mouse_face_end_col | |
7194 | || dpyinfo->mouse_face_past_end)); | |
7195 | ||
7196 | if (same_region) | |
7197 | cursor = None; | |
7198 | ||
7199 | /* Check mouse-face highlighting. */ | |
7200 | if (! same_region | |
7201 | /* If there exists an overlay with mouse-face overlapping | |
7202 | the one we are currently highlighting, we have to | |
7203 | check if we enter the overlapping overlay, and then | |
7204 | highlight only that. */ | |
7205 | || (OVERLAYP (dpyinfo->mouse_face_overlay) | |
7206 | && mouse_face_overlay_overlaps (dpyinfo->mouse_face_overlay))) | |
7207 | { | |
0d487c52 GM |
7208 | /* Find the highest priority overlay that has a mouse-face |
7209 | property. */ | |
7210 | overlay = Qnil; | |
7211 | for (i = noverlays - 1; i >= 0 && NILP (overlay); --i) | |
7212 | { | |
7213 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
7214 | if (!NILP (mouse_face)) | |
7215 | overlay = overlay_vec[i]; | |
7216 | } | |
7d0393cf | 7217 | |
8bd189fb GM |
7218 | /* If we're actually highlighting the same overlay as |
7219 | before, there's no need to do that again. */ | |
7220 | if (!NILP (overlay) | |
7221 | && EQ (overlay, dpyinfo->mouse_face_overlay)) | |
7222 | goto check_help_echo; | |
7d0393cf | 7223 | |
8bd189fb GM |
7224 | dpyinfo->mouse_face_overlay = overlay; |
7225 | ||
7226 | /* Clear the display of the old active region, if any. */ | |
7227 | if (clear_mouse_face (dpyinfo)) | |
7228 | cursor = None; | |
7229 | ||
0d487c52 GM |
7230 | /* If no overlay applies, get a text property. */ |
7231 | if (NILP (overlay)) | |
7232 | mouse_face = Fget_text_property (position, Qmouse_face, object); | |
06a2c219 | 7233 | |
0d487c52 GM |
7234 | /* Handle the overlay case. */ |
7235 | if (!NILP (overlay)) | |
7236 | { | |
7237 | /* Find the range of text around this char that | |
7238 | should be active. */ | |
7239 | Lisp_Object before, after; | |
7240 | int ignore; | |
7241 | ||
7242 | before = Foverlay_start (overlay); | |
7243 | after = Foverlay_end (overlay); | |
7244 | /* Record this as the current active region. */ | |
7245 | fast_find_position (w, XFASTINT (before), | |
7246 | &dpyinfo->mouse_face_beg_col, | |
7247 | &dpyinfo->mouse_face_beg_row, | |
7248 | &dpyinfo->mouse_face_beg_x, | |
7e376260 | 7249 | &dpyinfo->mouse_face_beg_y, Qnil); |
7d0393cf | 7250 | |
0d487c52 GM |
7251 | dpyinfo->mouse_face_past_end |
7252 | = !fast_find_position (w, XFASTINT (after), | |
7253 | &dpyinfo->mouse_face_end_col, | |
7254 | &dpyinfo->mouse_face_end_row, | |
7255 | &dpyinfo->mouse_face_end_x, | |
7e376260 | 7256 | &dpyinfo->mouse_face_end_y, Qnil); |
0d487c52 GM |
7257 | dpyinfo->mouse_face_window = window; |
7258 | dpyinfo->mouse_face_face_id | |
7259 | = face_at_buffer_position (w, pos, 0, 0, | |
7260 | &ignore, pos + 1, 1); | |
7261 | ||
7262 | /* Display it as active. */ | |
7263 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
58e5af83 | 7264 | cursor = None; |
0d487c52 GM |
7265 | } |
7266 | /* Handle the text property case. */ | |
7267 | else if (!NILP (mouse_face) && BUFFERP (object)) | |
7268 | { | |
7269 | /* Find the range of text around this char that | |
7270 | should be active. */ | |
7271 | Lisp_Object before, after, beginning, end; | |
7272 | int ignore; | |
7273 | ||
7274 | beginning = Fmarker_position (w->start); | |
7275 | end = make_number (BUF_Z (XBUFFER (object)) | |
7276 | - XFASTINT (w->window_end_pos)); | |
7277 | before | |
7278 | = Fprevious_single_property_change (make_number (pos + 1), | |
7279 | Qmouse_face, | |
7280 | object, beginning); | |
7281 | after | |
7282 | = Fnext_single_property_change (position, Qmouse_face, | |
7283 | object, end); | |
7d0393cf | 7284 | |
0d487c52 GM |
7285 | /* Record this as the current active region. */ |
7286 | fast_find_position (w, XFASTINT (before), | |
7287 | &dpyinfo->mouse_face_beg_col, | |
7288 | &dpyinfo->mouse_face_beg_row, | |
7289 | &dpyinfo->mouse_face_beg_x, | |
7e376260 | 7290 | &dpyinfo->mouse_face_beg_y, Qnil); |
0d487c52 GM |
7291 | dpyinfo->mouse_face_past_end |
7292 | = !fast_find_position (w, XFASTINT (after), | |
7293 | &dpyinfo->mouse_face_end_col, | |
7294 | &dpyinfo->mouse_face_end_row, | |
7295 | &dpyinfo->mouse_face_end_x, | |
7e376260 | 7296 | &dpyinfo->mouse_face_end_y, Qnil); |
0d487c52 GM |
7297 | dpyinfo->mouse_face_window = window; |
7298 | ||
7299 | if (BUFFERP (object)) | |
06a2c219 GM |
7300 | dpyinfo->mouse_face_face_id |
7301 | = face_at_buffer_position (w, pos, 0, 0, | |
7302 | &ignore, pos + 1, 1); | |
7303 | ||
0d487c52 GM |
7304 | /* Display it as active. */ |
7305 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
58e5af83 | 7306 | cursor = None; |
0d487c52 GM |
7307 | } |
7308 | else if (!NILP (mouse_face) && STRINGP (object)) | |
7309 | { | |
7310 | Lisp_Object b, e; | |
7311 | int ignore; | |
7d0393cf | 7312 | |
0d487c52 GM |
7313 | b = Fprevious_single_property_change (make_number (pos + 1), |
7314 | Qmouse_face, | |
7315 | object, Qnil); | |
7316 | e = Fnext_single_property_change (position, Qmouse_face, | |
7317 | object, Qnil); | |
7318 | if (NILP (b)) | |
7319 | b = make_number (0); | |
7320 | if (NILP (e)) | |
d5db4077 | 7321 | e = make_number (SCHARS (object) - 1); |
0d487c52 | 7322 | fast_find_string_pos (w, XINT (b), object, |
06a2c219 GM |
7323 | &dpyinfo->mouse_face_beg_col, |
7324 | &dpyinfo->mouse_face_beg_row, | |
7325 | &dpyinfo->mouse_face_beg_x, | |
0d487c52 GM |
7326 | &dpyinfo->mouse_face_beg_y, 0); |
7327 | fast_find_string_pos (w, XINT (e), object, | |
7328 | &dpyinfo->mouse_face_end_col, | |
7329 | &dpyinfo->mouse_face_end_row, | |
7330 | &dpyinfo->mouse_face_end_x, | |
7331 | &dpyinfo->mouse_face_end_y, 1); | |
7332 | dpyinfo->mouse_face_past_end = 0; | |
7333 | dpyinfo->mouse_face_window = window; | |
7334 | dpyinfo->mouse_face_face_id | |
7335 | = face_at_string_position (w, object, pos, 0, 0, 0, &ignore, | |
7336 | glyph->face_id, 1); | |
7337 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
58e5af83 | 7338 | cursor = None; |
0d487c52 | 7339 | } |
7e376260 GM |
7340 | else if (STRINGP (object) && NILP (mouse_face)) |
7341 | { | |
7342 | /* A string which doesn't have mouse-face, but | |
7343 | the text ``under'' it might have. */ | |
7344 | struct glyph_row *r = MATRIX_ROW (w->current_matrix, vpos); | |
7345 | int start = MATRIX_ROW_START_CHARPOS (r); | |
7d0393cf | 7346 | |
7e376260 GM |
7347 | pos = string_buffer_position (w, object, start); |
7348 | if (pos > 0) | |
7349 | mouse_face = get_char_property_and_overlay (make_number (pos), | |
7350 | Qmouse_face, | |
7351 | w->buffer, | |
7352 | &overlay); | |
7353 | if (!NILP (mouse_face) && !NILP (overlay)) | |
7354 | { | |
7355 | Lisp_Object before = Foverlay_start (overlay); | |
7356 | Lisp_Object after = Foverlay_end (overlay); | |
91c153e2 | 7357 | int ignore; |
7e376260 GM |
7358 | |
7359 | /* Note that we might not be able to find position | |
7360 | BEFORE in the glyph matrix if the overlay is | |
7361 | entirely covered by a `display' property. In | |
7362 | this case, we overshoot. So let's stop in | |
7363 | the glyph matrix before glyphs for OBJECT. */ | |
7364 | fast_find_position (w, XFASTINT (before), | |
7365 | &dpyinfo->mouse_face_beg_col, | |
7366 | &dpyinfo->mouse_face_beg_row, | |
7367 | &dpyinfo->mouse_face_beg_x, | |
7368 | &dpyinfo->mouse_face_beg_y, | |
7369 | object); | |
7d0393cf | 7370 | |
7e376260 GM |
7371 | dpyinfo->mouse_face_past_end |
7372 | = !fast_find_position (w, XFASTINT (after), | |
7373 | &dpyinfo->mouse_face_end_col, | |
7374 | &dpyinfo->mouse_face_end_row, | |
7375 | &dpyinfo->mouse_face_end_x, | |
7376 | &dpyinfo->mouse_face_end_y, | |
7377 | Qnil); | |
7378 | dpyinfo->mouse_face_window = window; | |
7379 | dpyinfo->mouse_face_face_id | |
7380 | = face_at_buffer_position (w, pos, 0, 0, | |
7381 | &ignore, pos + 1, 1); | |
7382 | ||
7383 | /* Display it as active. */ | |
7384 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
7385 | cursor = None; | |
7386 | } | |
7387 | } | |
0d487c52 | 7388 | } |
06a2c219 | 7389 | |
8bd189fb GM |
7390 | check_help_echo: |
7391 | ||
0d487c52 GM |
7392 | /* Look for a `help-echo' property. */ |
7393 | { | |
7394 | Lisp_Object help, overlay; | |
06a2c219 | 7395 | |
0d487c52 GM |
7396 | /* Check overlays first. */ |
7397 | help = overlay = Qnil; | |
7398 | for (i = noverlays - 1; i >= 0 && NILP (help); --i) | |
7399 | { | |
7400 | overlay = overlay_vec[i]; | |
7401 | help = Foverlay_get (overlay, Qhelp_echo); | |
7402 | } | |
be010514 | 7403 | |
0d487c52 GM |
7404 | if (!NILP (help)) |
7405 | { | |
7406 | help_echo = help; | |
7407 | help_echo_window = window; | |
7408 | help_echo_object = overlay; | |
7409 | help_echo_pos = pos; | |
7410 | } | |
7411 | else | |
7412 | { | |
7413 | Lisp_Object object = glyph->object; | |
7414 | int charpos = glyph->charpos; | |
7d0393cf | 7415 | |
0d487c52 GM |
7416 | /* Try text properties. */ |
7417 | if (STRINGP (object) | |
7418 | && charpos >= 0 | |
d5db4077 | 7419 | && charpos < SCHARS (object)) |
0d487c52 GM |
7420 | { |
7421 | help = Fget_text_property (make_number (charpos), | |
7422 | Qhelp_echo, object); | |
7423 | if (NILP (help)) | |
7424 | { | |
7425 | /* If the string itself doesn't specify a help-echo, | |
7426 | see if the buffer text ``under'' it does. */ | |
7427 | struct glyph_row *r | |
7428 | = MATRIX_ROW (w->current_matrix, vpos); | |
7429 | int start = MATRIX_ROW_START_CHARPOS (r); | |
7430 | int pos = string_buffer_position (w, object, start); | |
7431 | if (pos > 0) | |
7432 | { | |
7e376260 | 7433 | help = Fget_char_property (make_number (pos), |
0d487c52 GM |
7434 | Qhelp_echo, w->buffer); |
7435 | if (!NILP (help)) | |
7436 | { | |
7437 | charpos = pos; | |
7438 | object = w->buffer; | |
7439 | } | |
7440 | } | |
7441 | } | |
7442 | } | |
7443 | else if (BUFFERP (object) | |
7444 | && charpos >= BEGV | |
7445 | && charpos < ZV) | |
7446 | help = Fget_text_property (make_number (charpos), Qhelp_echo, | |
7447 | object); | |
7d0393cf | 7448 | |
0d487c52 GM |
7449 | if (!NILP (help)) |
7450 | { | |
7451 | help_echo = help; | |
7452 | help_echo_window = window; | |
7453 | help_echo_object = object; | |
7454 | help_echo_pos = charpos; | |
7455 | } | |
7456 | } | |
06a2c219 | 7457 | } |
7d0393cf | 7458 | |
0d487c52 GM |
7459 | BEGV = obegv; |
7460 | ZV = ozv; | |
7461 | current_buffer = obuf; | |
06a2c219 | 7462 | } |
0d487c52 | 7463 | |
fa262c07 | 7464 | set_cursor: |
7d0393cf | 7465 | |
0d487c52 GM |
7466 | if (cursor != None) |
7467 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor); | |
06a2c219 GM |
7468 | } |
7469 | ||
7470 | static void | |
7471 | redo_mouse_highlight () | |
7472 | { | |
7473 | if (!NILP (last_mouse_motion_frame) | |
7474 | && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame))) | |
7475 | note_mouse_highlight (XFRAME (last_mouse_motion_frame), | |
7476 | last_mouse_motion_event.x, | |
7477 | last_mouse_motion_event.y); | |
7478 | } | |
7479 | ||
7480 | ||
7481 | \f | |
7482 | /*********************************************************************** | |
9ea173e8 | 7483 | Tool-bars |
06a2c219 GM |
7484 | ***********************************************************************/ |
7485 | ||
9ea173e8 GM |
7486 | static int x_tool_bar_item P_ ((struct frame *, int, int, |
7487 | struct glyph **, int *, int *, int *)); | |
06a2c219 | 7488 | |
9ea173e8 | 7489 | /* Tool-bar item index of the item on which a mouse button was pressed |
06a2c219 GM |
7490 | or -1. */ |
7491 | ||
9ea173e8 | 7492 | static int last_tool_bar_item; |
06a2c219 GM |
7493 | |
7494 | ||
9ea173e8 GM |
7495 | /* Get information about the tool-bar item at position X/Y on frame F. |
7496 | Return in *GLYPH a pointer to the glyph of the tool-bar item in | |
7497 | the current matrix of the tool-bar window of F, or NULL if not | |
7498 | on a tool-bar item. Return in *PROP_IDX the index of the tool-bar | |
8daf1204 | 7499 | item in F->tool_bar_items. Value is |
06a2c219 | 7500 | |
9ea173e8 | 7501 | -1 if X/Y is not on a tool-bar item |
06a2c219 GM |
7502 | 0 if X/Y is on the same item that was highlighted before. |
7503 | 1 otherwise. */ | |
7504 | ||
7505 | static int | |
9ea173e8 | 7506 | x_tool_bar_item (f, x, y, glyph, hpos, vpos, prop_idx) |
06a2c219 GM |
7507 | struct frame *f; |
7508 | int x, y; | |
7509 | struct glyph **glyph; | |
7510 | int *hpos, *vpos, *prop_idx; | |
7511 | { | |
7512 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
9ea173e8 | 7513 | struct window *w = XWINDOW (f->tool_bar_window); |
06a2c219 GM |
7514 | int area; |
7515 | ||
7516 | /* Find the glyph under X/Y. */ | |
f9db2310 | 7517 | *glyph = x_y_to_hpos_vpos (w, x, y, hpos, vpos, &area, 0); |
06a2c219 GM |
7518 | if (*glyph == NULL) |
7519 | return -1; | |
7520 | ||
9ea173e8 | 7521 | /* Get the start of this tool-bar item's properties in |
8daf1204 | 7522 | f->tool_bar_items. */ |
9ea173e8 | 7523 | if (!tool_bar_item_info (f, *glyph, prop_idx)) |
06a2c219 GM |
7524 | return -1; |
7525 | ||
7526 | /* Is mouse on the highlighted item? */ | |
9ea173e8 | 7527 | if (EQ (f->tool_bar_window, dpyinfo->mouse_face_window) |
06a2c219 GM |
7528 | && *vpos >= dpyinfo->mouse_face_beg_row |
7529 | && *vpos <= dpyinfo->mouse_face_end_row | |
7530 | && (*vpos > dpyinfo->mouse_face_beg_row | |
7531 | || *hpos >= dpyinfo->mouse_face_beg_col) | |
7532 | && (*vpos < dpyinfo->mouse_face_end_row | |
7533 | || *hpos < dpyinfo->mouse_face_end_col | |
7534 | || dpyinfo->mouse_face_past_end)) | |
7535 | return 0; | |
7d0393cf | 7536 | |
06a2c219 GM |
7537 | return 1; |
7538 | } | |
7539 | ||
7540 | ||
9ea173e8 | 7541 | /* Handle mouse button event on the tool-bar of frame F, at |
6c4a22e6 | 7542 | frame-relative coordinates X/Y. EVENT_TYPE is either ButtonPress |
06a2c219 GM |
7543 | or ButtonRelase. */ |
7544 | ||
7545 | static void | |
9ea173e8 | 7546 | x_handle_tool_bar_click (f, button_event) |
06a2c219 GM |
7547 | struct frame *f; |
7548 | XButtonEvent *button_event; | |
7549 | { | |
7550 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
9ea173e8 | 7551 | struct window *w = XWINDOW (f->tool_bar_window); |
06a2c219 GM |
7552 | int hpos, vpos, prop_idx; |
7553 | struct glyph *glyph; | |
7554 | Lisp_Object enabled_p; | |
7555 | int x = button_event->x; | |
7556 | int y = button_event->y; | |
7d0393cf | 7557 | |
9ea173e8 | 7558 | /* If not on the highlighted tool-bar item, return. */ |
06a2c219 | 7559 | frame_to_window_pixel_xy (w, &x, &y); |
9ea173e8 | 7560 | if (x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx) != 0) |
06a2c219 GM |
7561 | return; |
7562 | ||
7563 | /* If item is disabled, do nothing. */ | |
8daf1204 | 7564 | enabled_p = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_ENABLED_P); |
06a2c219 GM |
7565 | if (NILP (enabled_p)) |
7566 | return; | |
7d0393cf | 7567 | |
06a2c219 GM |
7568 | if (button_event->type == ButtonPress) |
7569 | { | |
7570 | /* Show item in pressed state. */ | |
7571 | show_mouse_face (dpyinfo, DRAW_IMAGE_SUNKEN); | |
7572 | dpyinfo->mouse_face_image_state = DRAW_IMAGE_SUNKEN; | |
9ea173e8 | 7573 | last_tool_bar_item = prop_idx; |
06a2c219 GM |
7574 | } |
7575 | else | |
7576 | { | |
7577 | Lisp_Object key, frame; | |
7578 | struct input_event event; | |
7579 | ||
7580 | /* Show item in released state. */ | |
7581 | show_mouse_face (dpyinfo, DRAW_IMAGE_RAISED); | |
7582 | dpyinfo->mouse_face_image_state = DRAW_IMAGE_RAISED; | |
7583 | ||
8daf1204 | 7584 | key = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_KEY); |
06a2c219 GM |
7585 | |
7586 | XSETFRAME (frame, f); | |
9ea173e8 | 7587 | event.kind = TOOL_BAR_EVENT; |
0f1a9b23 GM |
7588 | event.frame_or_window = frame; |
7589 | event.arg = frame; | |
06a2c219 GM |
7590 | kbd_buffer_store_event (&event); |
7591 | ||
9ea173e8 | 7592 | event.kind = TOOL_BAR_EVENT; |
0f1a9b23 GM |
7593 | event.frame_or_window = frame; |
7594 | event.arg = key; | |
06a2c219 GM |
7595 | event.modifiers = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
7596 | button_event->state); | |
7597 | kbd_buffer_store_event (&event); | |
9ea173e8 | 7598 | last_tool_bar_item = -1; |
06a2c219 GM |
7599 | } |
7600 | } | |
7601 | ||
7602 | ||
9ea173e8 GM |
7603 | /* Possibly highlight a tool-bar item on frame F when mouse moves to |
7604 | tool-bar window-relative coordinates X/Y. Called from | |
06a2c219 GM |
7605 | note_mouse_highlight. */ |
7606 | ||
7607 | static void | |
9ea173e8 | 7608 | note_tool_bar_highlight (f, x, y) |
06a2c219 GM |
7609 | struct frame *f; |
7610 | int x, y; | |
7611 | { | |
9ea173e8 | 7612 | Lisp_Object window = f->tool_bar_window; |
06a2c219 GM |
7613 | struct window *w = XWINDOW (window); |
7614 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
7615 | int hpos, vpos; | |
7616 | struct glyph *glyph; | |
7617 | struct glyph_row *row; | |
5c187dee | 7618 | int i; |
06a2c219 GM |
7619 | Lisp_Object enabled_p; |
7620 | int prop_idx; | |
140330de | 7621 | enum draw_glyphs_face draw; |
5c187dee | 7622 | int mouse_down_p, rc; |
06a2c219 GM |
7623 | |
7624 | /* Function note_mouse_highlight is called with negative x(y | |
7625 | values when mouse moves outside of the frame. */ | |
7626 | if (x <= 0 || y <= 0) | |
7627 | { | |
7628 | clear_mouse_face (dpyinfo); | |
7629 | return; | |
7630 | } | |
7631 | ||
9ea173e8 | 7632 | rc = x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx); |
06a2c219 GM |
7633 | if (rc < 0) |
7634 | { | |
9ea173e8 | 7635 | /* Not on tool-bar item. */ |
06a2c219 GM |
7636 | clear_mouse_face (dpyinfo); |
7637 | return; | |
7638 | } | |
7639 | else if (rc == 0) | |
06a2c219 | 7640 | goto set_help_echo; |
b8009dd1 | 7641 | |
06a2c219 | 7642 | clear_mouse_face (dpyinfo); |
7d0393cf | 7643 | |
9ea173e8 | 7644 | /* Mouse is down, but on different tool-bar item? */ |
06a2c219 GM |
7645 | mouse_down_p = (dpyinfo->grabbed |
7646 | && f == last_mouse_frame | |
7647 | && FRAME_LIVE_P (f)); | |
7648 | if (mouse_down_p | |
9ea173e8 | 7649 | && last_tool_bar_item != prop_idx) |
06a2c219 GM |
7650 | return; |
7651 | ||
7652 | dpyinfo->mouse_face_image_state = DRAW_NORMAL_TEXT; | |
7653 | draw = mouse_down_p ? DRAW_IMAGE_SUNKEN : DRAW_IMAGE_RAISED; | |
7d0393cf | 7654 | |
9ea173e8 | 7655 | /* If tool-bar item is not enabled, don't highlight it. */ |
8daf1204 | 7656 | enabled_p = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_ENABLED_P); |
06a2c219 GM |
7657 | if (!NILP (enabled_p)) |
7658 | { | |
7659 | /* Compute the x-position of the glyph. In front and past the | |
7660 | image is a space. We include this is the highlighted area. */ | |
7661 | row = MATRIX_ROW (w->current_matrix, vpos); | |
7662 | for (i = x = 0; i < hpos; ++i) | |
7663 | x += row->glyphs[TEXT_AREA][i].pixel_width; | |
7d0393cf | 7664 | |
06a2c219 GM |
7665 | /* Record this as the current active region. */ |
7666 | dpyinfo->mouse_face_beg_col = hpos; | |
7667 | dpyinfo->mouse_face_beg_row = vpos; | |
7668 | dpyinfo->mouse_face_beg_x = x; | |
7669 | dpyinfo->mouse_face_beg_y = row->y; | |
7670 | dpyinfo->mouse_face_past_end = 0; | |
7d0393cf | 7671 | |
06a2c219 GM |
7672 | dpyinfo->mouse_face_end_col = hpos + 1; |
7673 | dpyinfo->mouse_face_end_row = vpos; | |
7674 | dpyinfo->mouse_face_end_x = x + glyph->pixel_width; | |
7675 | dpyinfo->mouse_face_end_y = row->y; | |
7676 | dpyinfo->mouse_face_window = window; | |
9ea173e8 | 7677 | dpyinfo->mouse_face_face_id = TOOL_BAR_FACE_ID; |
7d0393cf | 7678 | |
06a2c219 GM |
7679 | /* Display it as active. */ |
7680 | show_mouse_face (dpyinfo, draw); | |
7681 | dpyinfo->mouse_face_image_state = draw; | |
b8009dd1 | 7682 | } |
7d0393cf | 7683 | |
06a2c219 | 7684 | set_help_echo: |
7d0393cf | 7685 | |
50590060 | 7686 | /* Set help_echo to a help string to display for this tool-bar item. |
06a2c219 | 7687 | XTread_socket does the rest. */ |
7cea38bc | 7688 | help_echo_object = help_echo_window = Qnil; |
be010514 | 7689 | help_echo_pos = -1; |
8daf1204 | 7690 | help_echo = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_HELP); |
b7e80413 | 7691 | if (NILP (help_echo)) |
8daf1204 | 7692 | help_echo = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_CAPTION); |
b8009dd1 | 7693 | } |
4d73d038 | 7694 | |
06a2c219 GM |
7695 | |
7696 | \f | |
9f8531e5 GM |
7697 | /* Find the glyph matrix position of buffer position CHARPOS in window |
7698 | *W. HPOS, *VPOS, *X, and *Y are set to the positions found. W's | |
7699 | current glyphs must be up to date. If CHARPOS is above window | |
7700 | start return (0, 0, 0, 0). If CHARPOS is after end of W, return end | |
7701 | of last line in W. In the row containing CHARPOS, stop before glyphs | |
7e376260 | 7702 | having STOP as object. */ |
b8009dd1 | 7703 | |
9f8531e5 GM |
7704 | #if 0 /* This is a version of fast_find_position that's more correct |
7705 | in the presence of hscrolling, for example. I didn't install | |
7706 | it right away because the problem fixed is minor, it failed | |
7d0393cf | 7707 | in 20.x as well, and I think it's too risky to install |
9f8531e5 GM |
7708 | so near the release of 21.1. 2001-09-25 gerd. */ |
7709 | ||
7710 | static int | |
7711 | fast_find_position (w, charpos, hpos, vpos, x, y, stop) | |
7712 | struct window *w; | |
7713 | int charpos; | |
7714 | int *hpos, *vpos, *x, *y; | |
7715 | Lisp_Object stop; | |
7716 | { | |
7717 | struct glyph_row *row, *first; | |
7718 | struct glyph *glyph, *end; | |
7719 | int i, past_end = 0; | |
7720 | ||
7721 | first = MATRIX_FIRST_TEXT_ROW (w->current_matrix); | |
62e33982 | 7722 | row = row_containing_pos (w, charpos, first, NULL, 0); |
9f8531e5 GM |
7723 | if (row == NULL) |
7724 | { | |
7725 | if (charpos < MATRIX_ROW_START_CHARPOS (first)) | |
7726 | { | |
7727 | *x = *y = *hpos = *vpos = 0; | |
7728 | return 0; | |
7729 | } | |
7730 | else | |
7731 | { | |
7732 | row = MATRIX_ROW (w->current_matrix, XFASTINT (w->window_end_vpos)); | |
7733 | past_end = 1; | |
7734 | } | |
7735 | } | |
7736 | ||
7737 | *x = row->x; | |
7738 | *y = row->y; | |
7739 | *vpos = MATRIX_ROW_VPOS (row, w->current_matrix); | |
7d0393cf | 7740 | |
9f8531e5 GM |
7741 | glyph = row->glyphs[TEXT_AREA]; |
7742 | end = glyph + row->used[TEXT_AREA]; | |
7d0393cf | 7743 | |
9f8531e5 GM |
7744 | /* Skip over glyphs not having an object at the start of the row. |
7745 | These are special glyphs like truncation marks on terminal | |
7746 | frames. */ | |
7747 | if (row->displays_text_p) | |
7748 | while (glyph < end | |
7749 | && INTEGERP (glyph->object) | |
7750 | && !EQ (stop, glyph->object) | |
7751 | && glyph->charpos < 0) | |
7752 | { | |
7753 | *x += glyph->pixel_width; | |
7754 | ++glyph; | |
7755 | } | |
7756 | ||
7757 | while (glyph < end | |
7758 | && !INTEGERP (glyph->object) | |
7759 | && !EQ (stop, glyph->object) | |
7760 | && (!BUFFERP (glyph->object) | |
7761 | || glyph->charpos < charpos)) | |
7762 | { | |
7763 | *x += glyph->pixel_width; | |
7764 | ++glyph; | |
7765 | } | |
7766 | ||
7767 | *hpos = glyph - row->glyphs[TEXT_AREA]; | |
7768 | return past_end; | |
7769 | } | |
7770 | ||
7771 | #else /* not 0 */ | |
7772 | ||
b8009dd1 | 7773 | static int |
7e376260 | 7774 | fast_find_position (w, pos, hpos, vpos, x, y, stop) |
06a2c219 | 7775 | struct window *w; |
b8009dd1 | 7776 | int pos; |
06a2c219 | 7777 | int *hpos, *vpos, *x, *y; |
7e376260 | 7778 | Lisp_Object stop; |
b8009dd1 | 7779 | { |
b8009dd1 | 7780 | int i; |
bf1c0ba1 | 7781 | int lastcol; |
06a2c219 GM |
7782 | int maybe_next_line_p = 0; |
7783 | int line_start_position; | |
7784 | int yb = window_text_bottom_y (w); | |
03d1a189 GM |
7785 | struct glyph_row *row, *best_row; |
7786 | int row_vpos, best_row_vpos; | |
06a2c219 GM |
7787 | int current_x; |
7788 | ||
03d1a189 GM |
7789 | row = best_row = MATRIX_FIRST_TEXT_ROW (w->current_matrix); |
7790 | row_vpos = best_row_vpos = MATRIX_ROW_VPOS (row, w->current_matrix); | |
7791 | ||
06a2c219 | 7792 | while (row->y < yb) |
b8009dd1 | 7793 | { |
06a2c219 GM |
7794 | if (row->used[TEXT_AREA]) |
7795 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
7796 | else | |
7797 | line_start_position = 0; | |
7798 | ||
7799 | if (line_start_position > pos) | |
b8009dd1 | 7800 | break; |
77b68646 RS |
7801 | /* If the position sought is the end of the buffer, |
7802 | don't include the blank lines at the bottom of the window. */ | |
06a2c219 GM |
7803 | else if (line_start_position == pos |
7804 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
77b68646 | 7805 | { |
06a2c219 | 7806 | maybe_next_line_p = 1; |
77b68646 RS |
7807 | break; |
7808 | } | |
06a2c219 GM |
7809 | else if (line_start_position > 0) |
7810 | { | |
7811 | best_row = row; | |
7812 | best_row_vpos = row_vpos; | |
7813 | } | |
4b0bb6f3 GM |
7814 | |
7815 | if (row->y + row->height >= yb) | |
7816 | break; | |
7d0393cf | 7817 | |
06a2c219 GM |
7818 | ++row; |
7819 | ++row_vpos; | |
b8009dd1 | 7820 | } |
7d0393cf | 7821 | |
06a2c219 GM |
7822 | /* Find the right column within BEST_ROW. */ |
7823 | lastcol = 0; | |
7824 | current_x = best_row->x; | |
7825 | for (i = 0; i < best_row->used[TEXT_AREA]; i++) | |
bf1c0ba1 | 7826 | { |
06a2c219 | 7827 | struct glyph *glyph = best_row->glyphs[TEXT_AREA] + i; |
7e376260 | 7828 | int charpos = glyph->charpos; |
06a2c219 | 7829 | |
7e376260 | 7830 | if (BUFFERP (glyph->object)) |
bf1c0ba1 | 7831 | { |
7e376260 GM |
7832 | if (charpos == pos) |
7833 | { | |
7834 | *hpos = i; | |
7835 | *vpos = best_row_vpos; | |
7836 | *x = current_x; | |
7837 | *y = best_row->y; | |
7838 | return 1; | |
7839 | } | |
7840 | else if (charpos > pos) | |
7841 | break; | |
bf1c0ba1 | 7842 | } |
7e376260 | 7843 | else if (EQ (glyph->object, stop)) |
4d73d038 | 7844 | break; |
06a2c219 | 7845 | |
7e376260 GM |
7846 | if (charpos > 0) |
7847 | lastcol = i; | |
06a2c219 | 7848 | current_x += glyph->pixel_width; |
bf1c0ba1 | 7849 | } |
b8009dd1 | 7850 | |
77b68646 RS |
7851 | /* If we're looking for the end of the buffer, |
7852 | and we didn't find it in the line we scanned, | |
7853 | use the start of the following line. */ | |
06a2c219 | 7854 | if (maybe_next_line_p) |
77b68646 | 7855 | { |
06a2c219 GM |
7856 | ++best_row; |
7857 | ++best_row_vpos; | |
7858 | lastcol = 0; | |
7859 | current_x = best_row->x; | |
77b68646 RS |
7860 | } |
7861 | ||
06a2c219 GM |
7862 | *vpos = best_row_vpos; |
7863 | *hpos = lastcol + 1; | |
7864 | *x = current_x; | |
7865 | *y = best_row->y; | |
b8009dd1 RS |
7866 | return 0; |
7867 | } | |
7868 | ||
9f8531e5 GM |
7869 | #endif /* not 0 */ |
7870 | ||
06a2c219 | 7871 | |
269b7745 | 7872 | /* Find the position of the glyph for position POS in OBJECT in |
7a4bce14 PJ |
7873 | window W's current matrix, and return in *X, *Y the pixel |
7874 | coordinates, and return in *HPOS, *VPOS the column/row of the glyph. | |
f9db2310 GM |
7875 | |
7876 | RIGHT_P non-zero means return the position of the right edge of the | |
7877 | glyph, RIGHT_P zero means return the left edge position. | |
7878 | ||
7879 | If no glyph for POS exists in the matrix, return the position of | |
7880 | the glyph with the next smaller position that is in the matrix, if | |
7881 | RIGHT_P is zero. If RIGHT_P is non-zero, and no glyph for POS | |
7882 | exists in the matrix, return the position of the glyph with the | |
7883 | next larger position in OBJECT. | |
7884 | ||
7885 | Value is non-zero if a glyph was found. */ | |
7886 | ||
7887 | static int | |
7888 | fast_find_string_pos (w, pos, object, hpos, vpos, x, y, right_p) | |
7889 | struct window *w; | |
7890 | int pos; | |
7891 | Lisp_Object object; | |
7892 | int *hpos, *vpos, *x, *y; | |
7893 | int right_p; | |
7894 | { | |
7895 | int yb = window_text_bottom_y (w); | |
7896 | struct glyph_row *r; | |
7897 | struct glyph *best_glyph = NULL; | |
7898 | struct glyph_row *best_row = NULL; | |
7899 | int best_x = 0; | |
7900 | ||
7901 | for (r = MATRIX_FIRST_TEXT_ROW (w->current_matrix); | |
7902 | r->enabled_p && r->y < yb; | |
7903 | ++r) | |
7904 | { | |
7905 | struct glyph *g = r->glyphs[TEXT_AREA]; | |
7906 | struct glyph *e = g + r->used[TEXT_AREA]; | |
7907 | int gx; | |
7908 | ||
7909 | for (gx = r->x; g < e; gx += g->pixel_width, ++g) | |
7910 | if (EQ (g->object, object)) | |
7911 | { | |
7912 | if (g->charpos == pos) | |
7913 | { | |
7914 | best_glyph = g; | |
7915 | best_x = gx; | |
7916 | best_row = r; | |
7917 | goto found; | |
7918 | } | |
7919 | else if (best_glyph == NULL | |
7920 | || ((abs (g->charpos - pos) | |
7921 | < abs (best_glyph->charpos - pos)) | |
7922 | && (right_p | |
7923 | ? g->charpos < pos | |
7924 | : g->charpos > pos))) | |
7925 | { | |
7926 | best_glyph = g; | |
7927 | best_x = gx; | |
7928 | best_row = r; | |
7929 | } | |
7930 | } | |
7931 | } | |
7932 | ||
7933 | found: | |
7934 | ||
7935 | if (best_glyph) | |
7936 | { | |
7937 | *x = best_x; | |
7938 | *hpos = best_glyph - best_row->glyphs[TEXT_AREA]; | |
7939 | ||
7940 | if (right_p) | |
7941 | { | |
7942 | *x += best_glyph->pixel_width; | |
7943 | ++*hpos; | |
7944 | } | |
7d0393cf | 7945 | |
f9db2310 GM |
7946 | *y = best_row->y; |
7947 | *vpos = best_row - w->current_matrix->rows; | |
7948 | } | |
7949 | ||
7950 | return best_glyph != NULL; | |
7951 | } | |
7952 | ||
7953 | ||
b8009dd1 RS |
7954 | /* Display the active region described by mouse_face_* |
7955 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
7956 | ||
7957 | static void | |
06a2c219 | 7958 | show_mouse_face (dpyinfo, draw) |
7a13e894 | 7959 | struct x_display_info *dpyinfo; |
06a2c219 | 7960 | enum draw_glyphs_face draw; |
b8009dd1 | 7961 | { |
7a13e894 | 7962 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); |
06a2c219 | 7963 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
06a2c219 | 7964 | |
b2bbd509 GM |
7965 | if (/* If window is in the process of being destroyed, don't bother |
7966 | to do anything. */ | |
7967 | w->current_matrix != NULL | |
66301061 KS |
7968 | /* Don't update mouse highlight if hidden */ |
7969 | && (draw != DRAW_MOUSE_FACE || !dpyinfo->mouse_face_hidden) | |
b2bbd509 GM |
7970 | /* Recognize when we are called to operate on rows that don't exist |
7971 | anymore. This can happen when a window is split. */ | |
7972 | && dpyinfo->mouse_face_end_row < w->current_matrix->nrows) | |
06a2c219 | 7973 | { |
b2bbd509 GM |
7974 | int phys_cursor_on_p = w->phys_cursor_on_p; |
7975 | struct glyph_row *row, *first, *last; | |
06a2c219 | 7976 | |
b2bbd509 GM |
7977 | first = MATRIX_ROW (w->current_matrix, dpyinfo->mouse_face_beg_row); |
7978 | last = MATRIX_ROW (w->current_matrix, dpyinfo->mouse_face_end_row); | |
7d0393cf | 7979 | |
b2bbd509 | 7980 | for (row = first; row <= last && row->enabled_p; ++row) |
06a2c219 | 7981 | { |
b2bbd509 | 7982 | int start_hpos, end_hpos, start_x; |
06a2c219 | 7983 | |
b2bbd509 GM |
7984 | /* For all but the first row, the highlight starts at column 0. */ |
7985 | if (row == first) | |
7986 | { | |
7987 | start_hpos = dpyinfo->mouse_face_beg_col; | |
7988 | start_x = dpyinfo->mouse_face_beg_x; | |
7989 | } | |
7990 | else | |
7991 | { | |
7992 | start_hpos = 0; | |
7993 | start_x = 0; | |
7994 | } | |
06a2c219 | 7995 | |
b2bbd509 GM |
7996 | if (row == last) |
7997 | end_hpos = dpyinfo->mouse_face_end_col; | |
7998 | else | |
7999 | end_hpos = row->used[TEXT_AREA]; | |
b8009dd1 | 8000 | |
b2bbd509 GM |
8001 | if (end_hpos > start_hpos) |
8002 | { | |
7d0393cf | 8003 | x_draw_glyphs (w, start_x, row, TEXT_AREA, |
b2bbd509 | 8004 | start_hpos, end_hpos, draw, 0); |
b8009dd1 | 8005 | |
60626bab GM |
8006 | row->mouse_face_p |
8007 | = draw == DRAW_MOUSE_FACE || draw == DRAW_IMAGE_RAISED; | |
b2bbd509 GM |
8008 | } |
8009 | } | |
2729a2b5 | 8010 | |
b2bbd509 GM |
8011 | /* When we've written over the cursor, arrange for it to |
8012 | be displayed again. */ | |
8013 | if (phys_cursor_on_p && !w->phys_cursor_on_p) | |
8014 | x_display_cursor (w, 1, | |
8015 | w->phys_cursor.hpos, w->phys_cursor.vpos, | |
8016 | w->phys_cursor.x, w->phys_cursor.y); | |
8017 | } | |
fb3b7de5 | 8018 | |
06a2c219 GM |
8019 | /* Change the mouse cursor. */ |
8020 | if (draw == DRAW_NORMAL_TEXT) | |
8021 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
8022 | f->output_data.x->text_cursor); | |
8023 | else if (draw == DRAW_MOUSE_FACE) | |
334208b7 | 8024 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 8025 | f->output_data.x->cross_cursor); |
27ead1d5 | 8026 | else |
334208b7 | 8027 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
06a2c219 | 8028 | f->output_data.x->nontext_cursor); |
b8009dd1 RS |
8029 | } |
8030 | ||
8031 | /* Clear out the mouse-highlighted active region. | |
fa262c07 GM |
8032 | Redraw it un-highlighted first. Value is non-zero if mouse |
8033 | face was actually drawn unhighlighted. */ | |
b8009dd1 | 8034 | |
fa262c07 | 8035 | static int |
7a13e894 RS |
8036 | clear_mouse_face (dpyinfo) |
8037 | struct x_display_info *dpyinfo; | |
b8009dd1 | 8038 | { |
fa262c07 | 8039 | int cleared = 0; |
7d0393cf | 8040 | |
fa262c07 GM |
8041 | if (!NILP (dpyinfo->mouse_face_window)) |
8042 | { | |
8043 | show_mouse_face (dpyinfo, DRAW_NORMAL_TEXT); | |
8044 | cleared = 1; | |
8045 | } | |
b8009dd1 | 8046 | |
7a13e894 RS |
8047 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
8048 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
8049 | dpyinfo->mouse_face_window = Qnil; | |
1b85dc1c | 8050 | dpyinfo->mouse_face_overlay = Qnil; |
fa262c07 | 8051 | return cleared; |
b8009dd1 | 8052 | } |
e687d06e | 8053 | |
71b8321e GM |
8054 | |
8055 | /* Clear any mouse-face on window W. This function is part of the | |
8056 | redisplay interface, and is called from try_window_id and similar | |
8057 | functions to ensure the mouse-highlight is off. */ | |
8058 | ||
8059 | static void | |
8060 | x_clear_mouse_face (w) | |
8061 | struct window *w; | |
8062 | { | |
8063 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (XFRAME (w->frame)); | |
8064 | Lisp_Object window; | |
8065 | ||
2e636f9d | 8066 | BLOCK_INPUT; |
71b8321e GM |
8067 | XSETWINDOW (window, w); |
8068 | if (EQ (window, dpyinfo->mouse_face_window)) | |
8069 | clear_mouse_face (dpyinfo); | |
2e636f9d | 8070 | UNBLOCK_INPUT; |
71b8321e GM |
8071 | } |
8072 | ||
8073 | ||
e687d06e RS |
8074 | /* Just discard the mouse face information for frame F, if any. |
8075 | This is used when the size of F is changed. */ | |
8076 | ||
dfcf069d | 8077 | void |
e687d06e RS |
8078 | cancel_mouse_face (f) |
8079 | FRAME_PTR f; | |
8080 | { | |
8081 | Lisp_Object window; | |
8082 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
8083 | ||
8084 | window = dpyinfo->mouse_face_window; | |
8085 | if (! NILP (window) && XFRAME (XWINDOW (window)->frame) == f) | |
8086 | { | |
8087 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
8088 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
8089 | dpyinfo->mouse_face_window = Qnil; | |
8090 | } | |
8091 | } | |
b52b65bd | 8092 | |
b8009dd1 | 8093 | \f |
b52b65bd GM |
8094 | static int glyph_rect P_ ((struct frame *f, int, int, XRectangle *)); |
8095 | ||
8096 | ||
8097 | /* Try to determine frame pixel position and size of the glyph under | |
8098 | frame pixel coordinates X/Y on frame F . Return the position and | |
8099 | size in *RECT. Value is non-zero if we could compute these | |
8100 | values. */ | |
8101 | ||
8102 | static int | |
8103 | glyph_rect (f, x, y, rect) | |
8104 | struct frame *f; | |
8105 | int x, y; | |
8106 | XRectangle *rect; | |
8107 | { | |
8108 | Lisp_Object window; | |
8109 | int part, found = 0; | |
8110 | ||
8111 | window = window_from_coordinates (f, x, y, &part, 0); | |
8112 | if (!NILP (window)) | |
8113 | { | |
8114 | struct window *w = XWINDOW (window); | |
8115 | struct glyph_row *r = MATRIX_FIRST_TEXT_ROW (w->current_matrix); | |
8116 | struct glyph_row *end = r + w->current_matrix->nrows - 1; | |
b52b65bd GM |
8117 | |
8118 | frame_to_window_pixel_xy (w, &x, &y); | |
7d0393cf | 8119 | |
b52b65bd GM |
8120 | for (; !found && r < end && r->enabled_p; ++r) |
8121 | if (r->y >= y) | |
8122 | { | |
8123 | struct glyph *g = r->glyphs[TEXT_AREA]; | |
8124 | struct glyph *end = g + r->used[TEXT_AREA]; | |
8125 | int gx; | |
7d0393cf | 8126 | |
b52b65bd GM |
8127 | for (gx = r->x; !found && g < end; gx += g->pixel_width, ++g) |
8128 | if (gx >= x) | |
8129 | { | |
8130 | rect->width = g->pixel_width; | |
8131 | rect->height = r->height; | |
8132 | rect->x = WINDOW_TO_FRAME_PIXEL_X (w, gx); | |
8133 | rect->y = WINDOW_TO_FRAME_PIXEL_Y (w, r->y); | |
8134 | found = 1; | |
8135 | } | |
8136 | } | |
8137 | } | |
8138 | ||
8139 | return found; | |
8140 | } | |
8141 | ||
12ba150f | 8142 | |
90e65f07 | 8143 | /* Return the current position of the mouse. |
b52b65bd | 8144 | *FP should be a frame which indicates which display to ask about. |
90e65f07 | 8145 | |
b52b65bd GM |
8146 | If the mouse movement started in a scroll bar, set *FP, *BAR_WINDOW, |
8147 | and *PART to the frame, window, and scroll bar part that the mouse | |
8148 | is over. Set *X and *Y to the portion and whole of the mouse's | |
ab648270 | 8149 | position on the scroll bar. |
12ba150f | 8150 | |
b52b65bd GM |
8151 | If the mouse movement started elsewhere, set *FP to the frame the |
8152 | mouse is on, *BAR_WINDOW to nil, and *X and *Y to the character cell | |
12ba150f JB |
8153 | the mouse is over. |
8154 | ||
b52b65bd | 8155 | Set *TIME to the server time-stamp for the time at which the mouse |
12ba150f JB |
8156 | was at this position. |
8157 | ||
a135645a RS |
8158 | Don't store anything if we don't have a valid set of values to report. |
8159 | ||
90e65f07 | 8160 | This clears the mouse_moved flag, so we can wait for the next mouse |
f5bb65ec | 8161 | movement. */ |
90e65f07 JB |
8162 | |
8163 | static void | |
1cf412ec | 8164 | XTmouse_position (fp, insist, bar_window, part, x, y, time) |
334208b7 | 8165 | FRAME_PTR *fp; |
1cf412ec | 8166 | int insist; |
12ba150f | 8167 | Lisp_Object *bar_window; |
ab648270 | 8168 | enum scroll_bar_part *part; |
90e65f07 | 8169 | Lisp_Object *x, *y; |
e5d77022 | 8170 | unsigned long *time; |
90e65f07 | 8171 | { |
a135645a RS |
8172 | FRAME_PTR f1; |
8173 | ||
90e65f07 JB |
8174 | BLOCK_INPUT; |
8175 | ||
8bcee03e | 8176 | if (! NILP (last_mouse_scroll_bar) && insist == 0) |
334208b7 | 8177 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
90e65f07 JB |
8178 | else |
8179 | { | |
12ba150f JB |
8180 | Window root; |
8181 | int root_x, root_y; | |
90e65f07 | 8182 | |
12ba150f JB |
8183 | Window dummy_window; |
8184 | int dummy; | |
8185 | ||
39d8bb4d KH |
8186 | Lisp_Object frame, tail; |
8187 | ||
8188 | /* Clear the mouse-moved flag for every frame on this display. */ | |
8189 | FOR_EACH_FRAME (tail, frame) | |
8190 | if (FRAME_X_DISPLAY (XFRAME (frame)) == FRAME_X_DISPLAY (*fp)) | |
8191 | XFRAME (frame)->mouse_moved = 0; | |
8192 | ||
ab648270 | 8193 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
8194 | |
8195 | /* Figure out which root window we're on. */ | |
334208b7 RS |
8196 | XQueryPointer (FRAME_X_DISPLAY (*fp), |
8197 | DefaultRootWindow (FRAME_X_DISPLAY (*fp)), | |
12ba150f JB |
8198 | |
8199 | /* The root window which contains the pointer. */ | |
8200 | &root, | |
8201 | ||
8202 | /* Trash which we can't trust if the pointer is on | |
8203 | a different screen. */ | |
8204 | &dummy_window, | |
8205 | ||
8206 | /* The position on that root window. */ | |
58769bee | 8207 | &root_x, &root_y, |
12ba150f JB |
8208 | |
8209 | /* More trash we can't trust. */ | |
8210 | &dummy, &dummy, | |
8211 | ||
8212 | /* Modifier keys and pointer buttons, about which | |
8213 | we don't care. */ | |
8214 | (unsigned int *) &dummy); | |
8215 | ||
8216 | /* Now we have a position on the root; find the innermost window | |
8217 | containing the pointer. */ | |
8218 | { | |
8219 | Window win, child; | |
8220 | int win_x, win_y; | |
06a2c219 | 8221 | int parent_x = 0, parent_y = 0; |
e99db5a1 | 8222 | int count; |
12ba150f JB |
8223 | |
8224 | win = root; | |
69388238 | 8225 | |
2d7fc7e8 RS |
8226 | /* XTranslateCoordinates can get errors if the window |
8227 | structure is changing at the same time this function | |
8228 | is running. So at least we must not crash from them. */ | |
8229 | ||
e99db5a1 | 8230 | count = x_catch_errors (FRAME_X_DISPLAY (*fp)); |
2d7fc7e8 | 8231 | |
334208b7 | 8232 | if (FRAME_X_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
23faf38f | 8233 | && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 8234 | { |
69388238 RS |
8235 | /* If mouse was grabbed on a frame, give coords for that frame |
8236 | even if the mouse is now outside it. */ | |
334208b7 | 8237 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
69388238 | 8238 | |
12ba150f | 8239 | /* From-window, to-window. */ |
69388238 | 8240 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
8241 | |
8242 | /* From-position, to-position. */ | |
8243 | root_x, root_y, &win_x, &win_y, | |
8244 | ||
8245 | /* Child of win. */ | |
8246 | &child); | |
69388238 RS |
8247 | f1 = last_mouse_frame; |
8248 | } | |
8249 | else | |
8250 | { | |
8251 | while (1) | |
8252 | { | |
334208b7 | 8253 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
12ba150f | 8254 | |
69388238 RS |
8255 | /* From-window, to-window. */ |
8256 | root, win, | |
12ba150f | 8257 | |
69388238 RS |
8258 | /* From-position, to-position. */ |
8259 | root_x, root_y, &win_x, &win_y, | |
8260 | ||
8261 | /* Child of win. */ | |
8262 | &child); | |
8263 | ||
9af3143a | 8264 | if (child == None || child == win) |
69388238 RS |
8265 | break; |
8266 | ||
8267 | win = child; | |
8268 | parent_x = win_x; | |
8269 | parent_y = win_y; | |
8270 | } | |
12ba150f | 8271 | |
69388238 RS |
8272 | /* Now we know that: |
8273 | win is the innermost window containing the pointer | |
8274 | (XTC says it has no child containing the pointer), | |
8275 | win_x and win_y are the pointer's position in it | |
8276 | (XTC did this the last time through), and | |
8277 | parent_x and parent_y are the pointer's position in win's parent. | |
8278 | (They are what win_x and win_y were when win was child. | |
8279 | If win is the root window, it has no parent, and | |
8280 | parent_{x,y} are invalid, but that's okay, because we'll | |
8281 | never use them in that case.) */ | |
8282 | ||
8283 | /* Is win one of our frames? */ | |
19126e11 | 8284 | f1 = x_any_window_to_frame (FRAME_X_DISPLAY_INFO (*fp), win); |
aad0f6ab GM |
8285 | |
8286 | #ifdef USE_X_TOOLKIT | |
8287 | /* If we end up with the menu bar window, say it's not | |
8288 | on the frame. */ | |
8289 | if (f1 != NULL | |
8290 | && f1->output_data.x->menubar_widget | |
8291 | && win == XtWindow (f1->output_data.x->menubar_widget)) | |
8292 | f1 = NULL; | |
8293 | #endif /* USE_X_TOOLKIT */ | |
69388238 | 8294 | } |
58769bee | 8295 | |
2d7fc7e8 RS |
8296 | if (x_had_errors_p (FRAME_X_DISPLAY (*fp))) |
8297 | f1 = 0; | |
8298 | ||
e99db5a1 | 8299 | x_uncatch_errors (FRAME_X_DISPLAY (*fp), count); |
2d7fc7e8 | 8300 | |
ab648270 | 8301 | /* If not, is it one of our scroll bars? */ |
a135645a | 8302 | if (! f1) |
12ba150f | 8303 | { |
ab648270 | 8304 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
8305 | |
8306 | if (bar) | |
8307 | { | |
a135645a | 8308 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
8309 | win_x = parent_x; |
8310 | win_y = parent_y; | |
8311 | } | |
8312 | } | |
90e65f07 | 8313 | |
8bcee03e | 8314 | if (f1 == 0 && insist > 0) |
b86bd3dd | 8315 | f1 = SELECTED_FRAME (); |
1cf412ec | 8316 | |
a135645a | 8317 | if (f1) |
12ba150f | 8318 | { |
06a2c219 GM |
8319 | /* Ok, we found a frame. Store all the values. |
8320 | last_mouse_glyph is a rectangle used to reduce the | |
8321 | generation of mouse events. To not miss any motion | |
8322 | events, we must divide the frame into rectangles of the | |
8323 | size of the smallest character that could be displayed | |
8324 | on it, i.e. into the same rectangles that matrices on | |
8325 | the frame are divided into. */ | |
8326 | ||
b52b65bd GM |
8327 | int width, height, gx, gy; |
8328 | XRectangle rect; | |
7d0393cf | 8329 | |
b52b65bd GM |
8330 | if (glyph_rect (f1, win_x, win_y, &rect)) |
8331 | last_mouse_glyph = rect; | |
8332 | else | |
8333 | { | |
8334 | width = FRAME_SMALLEST_CHAR_WIDTH (f1); | |
8335 | height = FRAME_SMALLEST_FONT_HEIGHT (f1); | |
8336 | gx = win_x; | |
8337 | gy = win_y; | |
7d0393cf | 8338 | |
b52b65bd GM |
8339 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to |
8340 | round down even for negative values. */ | |
8341 | if (gx < 0) | |
8342 | gx -= width - 1; | |
4f00e84d | 8343 | if (gy < 0) |
b52b65bd GM |
8344 | gy -= height - 1; |
8345 | gx = (gx + width - 1) / width * width; | |
8346 | gy = (gy + height - 1) / height * height; | |
7d0393cf | 8347 | |
b52b65bd GM |
8348 | last_mouse_glyph.width = width; |
8349 | last_mouse_glyph.height = height; | |
8350 | last_mouse_glyph.x = gx; | |
8351 | last_mouse_glyph.y = gy; | |
8352 | } | |
12ba150f JB |
8353 | |
8354 | *bar_window = Qnil; | |
8355 | *part = 0; | |
334208b7 | 8356 | *fp = f1; |
e0c1aef2 KH |
8357 | XSETINT (*x, win_x); |
8358 | XSETINT (*y, win_y); | |
12ba150f JB |
8359 | *time = last_mouse_movement_time; |
8360 | } | |
8361 | } | |
8362 | } | |
90e65f07 JB |
8363 | |
8364 | UNBLOCK_INPUT; | |
8365 | } | |
f451eb13 | 8366 | |
06a2c219 | 8367 | |
06a2c219 | 8368 | #ifdef USE_X_TOOLKIT |
bffcfca9 GM |
8369 | |
8370 | /* Atimer callback function for TIMER. Called every 0.1s to process | |
8371 | Xt timeouts, if needed. We must avoid calling XtAppPending as | |
8372 | much as possible because that function does an implicit XFlush | |
8373 | that slows us down. */ | |
8374 | ||
8375 | static void | |
8376 | x_process_timeouts (timer) | |
8377 | struct atimer *timer; | |
8378 | { | |
8379 | if (toolkit_scroll_bar_interaction || popup_activated_flag) | |
8380 | { | |
8381 | BLOCK_INPUT; | |
8382 | while (XtAppPending (Xt_app_con) & XtIMTimer) | |
8383 | XtAppProcessEvent (Xt_app_con, XtIMTimer); | |
8384 | UNBLOCK_INPUT; | |
8385 | } | |
06a2c219 GM |
8386 | } |
8387 | ||
bffcfca9 | 8388 | #endif /* USE_X_TOOLKIT */ |
06a2c219 GM |
8389 | |
8390 | \f | |
8391 | /* Scroll bar support. */ | |
8392 | ||
8393 | /* Given an X window ID, find the struct scroll_bar which manages it. | |
8394 | This can be called in GC, so we have to make sure to strip off mark | |
8395 | bits. */ | |
bffcfca9 | 8396 | |
06a2c219 GM |
8397 | static struct scroll_bar * |
8398 | x_window_to_scroll_bar (window_id) | |
8399 | Window window_id; | |
8400 | { | |
8401 | Lisp_Object tail; | |
8402 | ||
8403 | for (tail = Vframe_list; | |
8404 | XGCTYPE (tail) == Lisp_Cons; | |
8e713be6 | 8405 | tail = XCDR (tail)) |
06a2c219 GM |
8406 | { |
8407 | Lisp_Object frame, bar, condemned; | |
8408 | ||
8e713be6 | 8409 | frame = XCAR (tail); |
06a2c219 GM |
8410 | /* All elements of Vframe_list should be frames. */ |
8411 | if (! GC_FRAMEP (frame)) | |
8412 | abort (); | |
8413 | ||
8414 | /* Scan this frame's scroll bar list for a scroll bar with the | |
8415 | right window ID. */ | |
8416 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); | |
8417 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
8418 | /* This trick allows us to search both the ordinary and | |
8419 | condemned scroll bar lists with one loop. */ | |
8420 | ! GC_NILP (bar) || (bar = condemned, | |
8421 | condemned = Qnil, | |
8422 | ! GC_NILP (bar)); | |
8423 | bar = XSCROLL_BAR (bar)->next) | |
8424 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
8425 | return XSCROLL_BAR (bar); | |
8426 | } | |
8427 | ||
8428 | return 0; | |
8429 | } | |
8430 | ||
8431 | ||
01f67d2c | 8432 | #if defined USE_LUCID |
c95fc5f1 GM |
8433 | |
8434 | /* Return the Lucid menu bar WINDOW is part of. Return null | |
8435 | if WINDOW is not part of a menu bar. */ | |
8436 | ||
8437 | static Widget | |
8438 | x_window_to_menu_bar (window) | |
8439 | Window window; | |
8440 | { | |
8441 | Lisp_Object tail; | |
7d0393cf | 8442 | |
c95fc5f1 GM |
8443 | for (tail = Vframe_list; |
8444 | XGCTYPE (tail) == Lisp_Cons; | |
8445 | tail = XCDR (tail)) | |
8446 | { | |
8447 | Lisp_Object frame = XCAR (tail); | |
8448 | Widget menu_bar = XFRAME (frame)->output_data.x->menubar_widget; | |
7d0393cf | 8449 | |
c95fc5f1 GM |
8450 | if (menu_bar && xlwmenu_window_p (menu_bar, window)) |
8451 | return menu_bar; | |
8452 | } | |
8453 | ||
8454 | return NULL; | |
8455 | } | |
8456 | ||
01f67d2c | 8457 | #endif /* USE_LUCID */ |
c95fc5f1 | 8458 | |
06a2c219 GM |
8459 | \f |
8460 | /************************************************************************ | |
8461 | Toolkit scroll bars | |
8462 | ************************************************************************/ | |
8463 | ||
eccc05db | 8464 | #ifdef USE_TOOLKIT_SCROLL_BARS |
06a2c219 GM |
8465 | |
8466 | static void x_scroll_bar_to_input_event P_ ((XEvent *, struct input_event *)); | |
8467 | static void x_send_scroll_bar_event P_ ((Lisp_Object, int, int, int)); | |
8468 | static void x_create_toolkit_scroll_bar P_ ((struct frame *, | |
8469 | struct scroll_bar *)); | |
8470 | static void x_set_toolkit_scroll_bar_thumb P_ ((struct scroll_bar *, | |
8471 | int, int, int)); | |
8472 | ||
8473 | ||
8474 | /* Id of action hook installed for scroll bars. */ | |
8475 | ||
8476 | static XtActionHookId action_hook_id; | |
8477 | ||
8478 | /* Lisp window being scrolled. Set when starting to interact with | |
8479 | a toolkit scroll bar, reset to nil when ending the interaction. */ | |
8480 | ||
8481 | static Lisp_Object window_being_scrolled; | |
8482 | ||
8483 | /* Last scroll bar part sent in xm_scroll_callback. */ | |
8484 | ||
8485 | static int last_scroll_bar_part; | |
8486 | ||
ec18280f SM |
8487 | /* Whether this is an Xaw with arrow-scrollbars. This should imply |
8488 | that movements of 1/20 of the screen size are mapped to up/down. */ | |
8489 | ||
8490 | static Boolean xaw3d_arrow_scroll; | |
8491 | ||
8492 | /* Whether the drag scrolling maintains the mouse at the top of the | |
8493 | thumb. If not, resizing the thumb needs to be done more carefully | |
8494 | to avoid jerkyness. */ | |
8495 | ||
8496 | static Boolean xaw3d_pick_top; | |
8497 | ||
06a2c219 GM |
8498 | |
8499 | /* Action hook installed via XtAppAddActionHook when toolkit scroll | |
ec18280f | 8500 | bars are used.. The hook is responsible for detecting when |
06a2c219 | 8501 | the user ends an interaction with the scroll bar, and generates |
3b8f9651 | 8502 | a `end-scroll' SCROLL_BAR_CLICK_EVENT' event if so. */ |
06a2c219 GM |
8503 | |
8504 | static void | |
8505 | xt_action_hook (widget, client_data, action_name, event, params, | |
8506 | num_params) | |
8507 | Widget widget; | |
8508 | XtPointer client_data; | |
8509 | String action_name; | |
8510 | XEvent *event; | |
8511 | String *params; | |
8512 | Cardinal *num_params; | |
8513 | { | |
8514 | int scroll_bar_p; | |
8515 | char *end_action; | |
7d0393cf | 8516 | |
06a2c219 GM |
8517 | #ifdef USE_MOTIF |
8518 | scroll_bar_p = XmIsScrollBar (widget); | |
8519 | end_action = "Release"; | |
ec18280f | 8520 | #else /* !USE_MOTIF i.e. use Xaw */ |
06a2c219 GM |
8521 | scroll_bar_p = XtIsSubclass (widget, scrollbarWidgetClass); |
8522 | end_action = "EndScroll"; | |
ec18280f | 8523 | #endif /* USE_MOTIF */ |
06a2c219 | 8524 | |
06a2c219 GM |
8525 | if (scroll_bar_p |
8526 | && strcmp (action_name, end_action) == 0 | |
8527 | && WINDOWP (window_being_scrolled)) | |
8528 | { | |
8529 | struct window *w; | |
7d0393cf | 8530 | |
06a2c219 GM |
8531 | x_send_scroll_bar_event (window_being_scrolled, |
8532 | scroll_bar_end_scroll, 0, 0); | |
8533 | w = XWINDOW (window_being_scrolled); | |
8534 | XSCROLL_BAR (w->vertical_scroll_bar)->dragging = Qnil; | |
8535 | window_being_scrolled = Qnil; | |
8536 | last_scroll_bar_part = -1; | |
bffcfca9 GM |
8537 | |
8538 | /* Xt timeouts no longer needed. */ | |
8539 | toolkit_scroll_bar_interaction = 0; | |
06a2c219 GM |
8540 | } |
8541 | } | |
8542 | ||
07b3d16e GM |
8543 | /* A vector of windows used for communication between |
8544 | x_send_scroll_bar_event and x_scroll_bar_to_input_event. */ | |
8545 | ||
8546 | static struct window **scroll_bar_windows; | |
8547 | static int scroll_bar_windows_size; | |
8548 | ||
06a2c219 GM |
8549 | |
8550 | /* Send a client message with message type Xatom_Scrollbar for a | |
8551 | scroll action to the frame of WINDOW. PART is a value identifying | |
8552 | the part of the scroll bar that was clicked on. PORTION is the | |
8553 | amount to scroll of a whole of WHOLE. */ | |
8554 | ||
8555 | static void | |
8556 | x_send_scroll_bar_event (window, part, portion, whole) | |
8557 | Lisp_Object window; | |
8558 | int part, portion, whole; | |
8559 | { | |
8560 | XEvent event; | |
8561 | XClientMessageEvent *ev = (XClientMessageEvent *) &event; | |
07b3d16e GM |
8562 | struct window *w = XWINDOW (window); |
8563 | struct frame *f = XFRAME (w->frame); | |
8564 | int i; | |
06a2c219 | 8565 | |
07b3d16e | 8566 | BLOCK_INPUT; |
7d0393cf | 8567 | |
06a2c219 GM |
8568 | /* Construct a ClientMessage event to send to the frame. */ |
8569 | ev->type = ClientMessage; | |
8570 | ev->message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_Scrollbar; | |
8571 | ev->display = FRAME_X_DISPLAY (f); | |
8572 | ev->window = FRAME_X_WINDOW (f); | |
8573 | ev->format = 32; | |
07b3d16e GM |
8574 | |
8575 | /* We can only transfer 32 bits in the XClientMessageEvent, which is | |
8576 | not enough to store a pointer or Lisp_Object on a 64 bit system. | |
8577 | So, store the window in scroll_bar_windows and pass the index | |
8578 | into that array in the event. */ | |
8579 | for (i = 0; i < scroll_bar_windows_size; ++i) | |
8580 | if (scroll_bar_windows[i] == NULL) | |
8581 | break; | |
8582 | ||
8583 | if (i == scroll_bar_windows_size) | |
8584 | { | |
8585 | int new_size = max (10, 2 * scroll_bar_windows_size); | |
8586 | size_t nbytes = new_size * sizeof *scroll_bar_windows; | |
8587 | size_t old_nbytes = scroll_bar_windows_size * sizeof *scroll_bar_windows; | |
7d0393cf | 8588 | |
07b3d16e GM |
8589 | scroll_bar_windows = (struct window **) xrealloc (scroll_bar_windows, |
8590 | nbytes); | |
8591 | bzero (&scroll_bar_windows[i], nbytes - old_nbytes); | |
8592 | scroll_bar_windows_size = new_size; | |
8593 | } | |
8594 | ||
8595 | scroll_bar_windows[i] = w; | |
8596 | ev->data.l[0] = (long) i; | |
06a2c219 GM |
8597 | ev->data.l[1] = (long) part; |
8598 | ev->data.l[2] = (long) 0; | |
8599 | ev->data.l[3] = (long) portion; | |
8600 | ev->data.l[4] = (long) whole; | |
8601 | ||
bffcfca9 GM |
8602 | /* Make Xt timeouts work while the scroll bar is active. */ |
8603 | toolkit_scroll_bar_interaction = 1; | |
8604 | ||
06a2c219 GM |
8605 | /* Setting the event mask to zero means that the message will |
8606 | be sent to the client that created the window, and if that | |
8607 | window no longer exists, no event will be sent. */ | |
06a2c219 GM |
8608 | XSendEvent (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), False, 0, &event); |
8609 | UNBLOCK_INPUT; | |
8610 | } | |
8611 | ||
8612 | ||
8613 | /* Transform a scroll bar ClientMessage EVENT to an Emacs input event | |
8614 | in *IEVENT. */ | |
8615 | ||
8616 | static void | |
8617 | x_scroll_bar_to_input_event (event, ievent) | |
8618 | XEvent *event; | |
8619 | struct input_event *ievent; | |
8620 | { | |
8621 | XClientMessageEvent *ev = (XClientMessageEvent *) event; | |
52e386c2 KR |
8622 | Lisp_Object window; |
8623 | struct frame *f; | |
07b3d16e | 8624 | struct window *w; |
7d0393cf | 8625 | |
07b3d16e GM |
8626 | w = scroll_bar_windows[ev->data.l[0]]; |
8627 | scroll_bar_windows[ev->data.l[0]] = NULL; | |
52e386c2 | 8628 | |
07b3d16e GM |
8629 | XSETWINDOW (window, w); |
8630 | f = XFRAME (w->frame); | |
7d0393cf | 8631 | |
3b8f9651 | 8632 | ievent->kind = SCROLL_BAR_CLICK_EVENT; |
06a2c219 | 8633 | ievent->frame_or_window = window; |
0f8aabe9 | 8634 | ievent->arg = Qnil; |
06a2c219 GM |
8635 | ievent->timestamp = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); |
8636 | ievent->part = ev->data.l[1]; | |
8637 | ievent->code = ev->data.l[2]; | |
8638 | ievent->x = make_number ((int) ev->data.l[3]); | |
8639 | ievent->y = make_number ((int) ev->data.l[4]); | |
8640 | ievent->modifiers = 0; | |
8641 | } | |
8642 | ||
8643 | ||
8644 | #ifdef USE_MOTIF | |
8645 | ||
8646 | /* Minimum and maximum values used for Motif scroll bars. */ | |
8647 | ||
8648 | #define XM_SB_MIN 1 | |
8649 | #define XM_SB_MAX 10000000 | |
8650 | #define XM_SB_RANGE (XM_SB_MAX - XM_SB_MIN) | |
8651 | ||
8652 | ||
8653 | /* Scroll bar callback for Motif scroll bars. WIDGET is the scroll | |
8654 | bar widget. CLIENT_DATA is a pointer to the scroll_bar structure. | |
4696802b | 8655 | CALL_DATA is a pointer to a XmScrollBarCallbackStruct. */ |
06a2c219 GM |
8656 | |
8657 | static void | |
8658 | xm_scroll_callback (widget, client_data, call_data) | |
8659 | Widget widget; | |
8660 | XtPointer client_data, call_data; | |
8661 | { | |
8662 | struct scroll_bar *bar = (struct scroll_bar *) client_data; | |
8663 | XmScrollBarCallbackStruct *cs = (XmScrollBarCallbackStruct *) call_data; | |
06a2c219 GM |
8664 | int part = -1, whole = 0, portion = 0; |
8665 | ||
8666 | switch (cs->reason) | |
8667 | { | |
8668 | case XmCR_DECREMENT: | |
8669 | bar->dragging = Qnil; | |
8670 | part = scroll_bar_up_arrow; | |
8671 | break; | |
8672 | ||
8673 | case XmCR_INCREMENT: | |
8674 | bar->dragging = Qnil; | |
8675 | part = scroll_bar_down_arrow; | |
8676 | break; | |
8677 | ||
8678 | case XmCR_PAGE_DECREMENT: | |
8679 | bar->dragging = Qnil; | |
8680 | part = scroll_bar_above_handle; | |
8681 | break; | |
8682 | ||
8683 | case XmCR_PAGE_INCREMENT: | |
8684 | bar->dragging = Qnil; | |
8685 | part = scroll_bar_below_handle; | |
8686 | break; | |
8687 | ||
8688 | case XmCR_TO_TOP: | |
8689 | bar->dragging = Qnil; | |
8690 | part = scroll_bar_to_top; | |
8691 | break; | |
7d0393cf | 8692 | |
06a2c219 GM |
8693 | case XmCR_TO_BOTTOM: |
8694 | bar->dragging = Qnil; | |
8695 | part = scroll_bar_to_bottom; | |
8696 | break; | |
8697 | ||
8698 | case XmCR_DRAG: | |
8699 | { | |
8700 | int slider_size; | |
8701 | int dragging_down_p = (INTEGERP (bar->dragging) | |
8702 | && XINT (bar->dragging) <= cs->value); | |
8703 | ||
8704 | /* Get the slider size. */ | |
8705 | BLOCK_INPUT; | |
8706 | XtVaGetValues (widget, XmNsliderSize, &slider_size, NULL); | |
8707 | UNBLOCK_INPUT; | |
8708 | ||
6f2a7a68 SM |
8709 | whole = XM_SB_RANGE - slider_size; |
8710 | portion = min (cs->value - XM_SB_MIN, whole); | |
8711 | part = scroll_bar_handle; | |
8712 | bar->dragging = make_number (cs->value); | |
06a2c219 GM |
8713 | } |
8714 | break; | |
7d0393cf | 8715 | |
06a2c219 GM |
8716 | case XmCR_VALUE_CHANGED: |
8717 | break; | |
8718 | }; | |
8719 | ||
8720 | if (part >= 0) | |
8721 | { | |
8722 | window_being_scrolled = bar->window; | |
8723 | last_scroll_bar_part = part; | |
8724 | x_send_scroll_bar_event (bar->window, part, portion, whole); | |
8725 | } | |
8726 | } | |
8727 | ||
8728 | ||
ec18280f | 8729 | #else /* !USE_MOTIF, i.e. Xaw. */ |
06a2c219 GM |
8730 | |
8731 | ||
ec18280f | 8732 | /* Xaw scroll bar callback. Invoked when the thumb is dragged. |
06a2c219 GM |
8733 | WIDGET is the scroll bar widget. CLIENT_DATA is a pointer to the |
8734 | scroll bar struct. CALL_DATA is a pointer to a float saying where | |
8735 | the thumb is. */ | |
8736 | ||
8737 | static void | |
ec18280f | 8738 | xaw_jump_callback (widget, client_data, call_data) |
06a2c219 GM |
8739 | Widget widget; |
8740 | XtPointer client_data, call_data; | |
8741 | { | |
8742 | struct scroll_bar *bar = (struct scroll_bar *) client_data; | |
8743 | float top = *(float *) call_data; | |
8744 | float shown; | |
ec18280f SM |
8745 | int whole, portion, height; |
8746 | int part; | |
06a2c219 GM |
8747 | |
8748 | /* Get the size of the thumb, a value between 0 and 1. */ | |
8749 | BLOCK_INPUT; | |
ec18280f | 8750 | XtVaGetValues (widget, XtNshown, &shown, XtNheight, &height, NULL); |
06a2c219 GM |
8751 | UNBLOCK_INPUT; |
8752 | ||
8753 | whole = 10000000; | |
8754 | portion = shown < 1 ? top * whole : 0; | |
06a2c219 | 8755 | |
ec18280f SM |
8756 | if (shown < 1 && (abs (top + shown - 1) < 1.0/height)) |
8757 | /* Some derivatives of Xaw refuse to shrink the thumb when you reach | |
8758 | the bottom, so we force the scrolling whenever we see that we're | |
8759 | too close to the bottom (in x_set_toolkit_scroll_bar_thumb | |
8760 | we try to ensure that we always stay two pixels away from the | |
8761 | bottom). */ | |
06a2c219 GM |
8762 | part = scroll_bar_down_arrow; |
8763 | else | |
8764 | part = scroll_bar_handle; | |
8765 | ||
8766 | window_being_scrolled = bar->window; | |
8767 | bar->dragging = make_number (portion); | |
8768 | last_scroll_bar_part = part; | |
8769 | x_send_scroll_bar_event (bar->window, part, portion, whole); | |
8770 | } | |
8771 | ||
8772 | ||
ec18280f SM |
8773 | /* Xaw scroll bar callback. Invoked for incremental scrolling., |
8774 | i.e. line or page up or down. WIDGET is the Xaw scroll bar | |
06a2c219 GM |
8775 | widget. CLIENT_DATA is a pointer to the scroll_bar structure for |
8776 | the scroll bar. CALL_DATA is an integer specifying the action that | |
8777 | has taken place. It's magnitude is in the range 0..height of the | |
8778 | scroll bar. Negative values mean scroll towards buffer start. | |
8779 | Values < height of scroll bar mean line-wise movement. */ | |
8780 | ||
8781 | static void | |
ec18280f | 8782 | xaw_scroll_callback (widget, client_data, call_data) |
06a2c219 GM |
8783 | Widget widget; |
8784 | XtPointer client_data, call_data; | |
8785 | { | |
8786 | struct scroll_bar *bar = (struct scroll_bar *) client_data; | |
8787 | int position = (int) call_data; | |
8788 | Dimension height; | |
8789 | int part; | |
8790 | ||
8791 | /* Get the height of the scroll bar. */ | |
8792 | BLOCK_INPUT; | |
8793 | XtVaGetValues (widget, XtNheight, &height, NULL); | |
8794 | UNBLOCK_INPUT; | |
8795 | ||
ec18280f SM |
8796 | if (abs (position) >= height) |
8797 | part = (position < 0) ? scroll_bar_above_handle : scroll_bar_below_handle; | |
8798 | ||
8799 | /* If Xaw3d was compiled with ARROW_SCROLLBAR, | |
8800 | it maps line-movement to call_data = max(5, height/20). */ | |
8801 | else if (xaw3d_arrow_scroll && abs (position) <= max (5, height / 20)) | |
8802 | part = (position < 0) ? scroll_bar_up_arrow : scroll_bar_down_arrow; | |
06a2c219 | 8803 | else |
ec18280f | 8804 | part = scroll_bar_move_ratio; |
06a2c219 GM |
8805 | |
8806 | window_being_scrolled = bar->window; | |
8807 | bar->dragging = Qnil; | |
8808 | last_scroll_bar_part = part; | |
ec18280f | 8809 | x_send_scroll_bar_event (bar->window, part, position, height); |
06a2c219 GM |
8810 | } |
8811 | ||
8812 | ||
8813 | #endif /* not USE_MOTIF */ | |
8814 | ||
8815 | ||
8816 | /* Create the widget for scroll bar BAR on frame F. Record the widget | |
8817 | and X window of the scroll bar in BAR. */ | |
8818 | ||
8819 | static void | |
8820 | x_create_toolkit_scroll_bar (f, bar) | |
8821 | struct frame *f; | |
8822 | struct scroll_bar *bar; | |
8823 | { | |
8824 | Window xwindow; | |
8825 | Widget widget; | |
8826 | Arg av[20]; | |
8827 | int ac = 0; | |
8828 | char *scroll_bar_name = "verticalScrollBar"; | |
8829 | unsigned long pixel; | |
8830 | ||
8831 | BLOCK_INPUT; | |
8832 | ||
8833 | #ifdef USE_MOTIF | |
06a2c219 GM |
8834 | /* Set resources. Create the widget. */ |
8835 | XtSetArg (av[ac], XtNmappedWhenManaged, False); ++ac; | |
8836 | XtSetArg (av[ac], XmNminimum, XM_SB_MIN); ++ac; | |
8837 | XtSetArg (av[ac], XmNmaximum, XM_SB_MAX); ++ac; | |
8838 | XtSetArg (av[ac], XmNorientation, XmVERTICAL); ++ac; | |
8839 | XtSetArg (av[ac], XmNprocessingDirection, XmMAX_ON_BOTTOM), ++ac; | |
8840 | XtSetArg (av[ac], XmNincrement, 1); ++ac; | |
8841 | XtSetArg (av[ac], XmNpageIncrement, 1); ++ac; | |
8842 | ||
8843 | pixel = f->output_data.x->scroll_bar_foreground_pixel; | |
8844 | if (pixel != -1) | |
8845 | { | |
8846 | XtSetArg (av[ac], XmNforeground, pixel); | |
8847 | ++ac; | |
8848 | } | |
7d0393cf | 8849 | |
06a2c219 GM |
8850 | pixel = f->output_data.x->scroll_bar_background_pixel; |
8851 | if (pixel != -1) | |
8852 | { | |
8853 | XtSetArg (av[ac], XmNbackground, pixel); | |
8854 | ++ac; | |
8855 | } | |
7d0393cf | 8856 | |
06a2c219 GM |
8857 | widget = XmCreateScrollBar (f->output_data.x->edit_widget, |
8858 | scroll_bar_name, av, ac); | |
8859 | ||
8860 | /* Add one callback for everything that can happen. */ | |
8861 | XtAddCallback (widget, XmNdecrementCallback, xm_scroll_callback, | |
8862 | (XtPointer) bar); | |
8863 | XtAddCallback (widget, XmNdragCallback, xm_scroll_callback, | |
8864 | (XtPointer) bar); | |
8865 | XtAddCallback (widget, XmNincrementCallback, xm_scroll_callback, | |
8866 | (XtPointer) bar); | |
8867 | XtAddCallback (widget, XmNpageDecrementCallback, xm_scroll_callback, | |
8868 | (XtPointer) bar); | |
8869 | XtAddCallback (widget, XmNpageIncrementCallback, xm_scroll_callback, | |
8870 | (XtPointer) bar); | |
8871 | XtAddCallback (widget, XmNtoBottomCallback, xm_scroll_callback, | |
8872 | (XtPointer) bar); | |
8873 | XtAddCallback (widget, XmNtoTopCallback, xm_scroll_callback, | |
8874 | (XtPointer) bar); | |
7d0393cf | 8875 | |
06a2c219 GM |
8876 | /* Realize the widget. Only after that is the X window created. */ |
8877 | XtRealizeWidget (widget); | |
8878 | ||
8879 | /* Set the cursor to an arrow. I didn't find a resource to do that. | |
8880 | And I'm wondering why it hasn't an arrow cursor by default. */ | |
8881 | XDefineCursor (XtDisplay (widget), XtWindow (widget), | |
8882 | f->output_data.x->nontext_cursor); | |
7d0393cf | 8883 | |
ec18280f | 8884 | #else /* !USE_MOTIF i.e. use Xaw */ |
7d0393cf | 8885 | |
06a2c219 GM |
8886 | /* Set resources. Create the widget. The background of the |
8887 | Xaw3d scroll bar widget is a little bit light for my taste. | |
8888 | We don't alter it here to let users change it according | |
8889 | to their taste with `emacs*verticalScrollBar.background: xxx'. */ | |
8890 | XtSetArg (av[ac], XtNmappedWhenManaged, False); ++ac; | |
8891 | XtSetArg (av[ac], XtNorientation, XtorientVertical); ++ac; | |
ec18280f SM |
8892 | /* For smoother scrolling with Xaw3d -sm */ |
8893 | /* XtSetArg (av[ac], XtNpickTop, True); ++ac; */ | |
7d0393cf | 8894 | |
06a2c219 GM |
8895 | pixel = f->output_data.x->scroll_bar_foreground_pixel; |
8896 | if (pixel != -1) | |
8897 | { | |
8898 | XtSetArg (av[ac], XtNforeground, pixel); | |
8899 | ++ac; | |
8900 | } | |
7d0393cf | 8901 | |
06a2c219 GM |
8902 | pixel = f->output_data.x->scroll_bar_background_pixel; |
8903 | if (pixel != -1) | |
8904 | { | |
8905 | XtSetArg (av[ac], XtNbackground, pixel); | |
8906 | ++ac; | |
8907 | } | |
7c1bef7a MB |
8908 | |
8909 | /* Top/bottom shadow colors. */ | |
8910 | ||
8911 | /* Allocate them, if necessary. */ | |
8912 | if (f->output_data.x->scroll_bar_top_shadow_pixel == -1) | |
8913 | { | |
8914 | pixel = f->output_data.x->scroll_bar_background_pixel; | |
8915 | if (!x_alloc_lighter_color (f, FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), | |
8916 | &pixel, 1.2, 0x8000)) | |
8917 | pixel = -1; | |
8918 | f->output_data.x->scroll_bar_top_shadow_pixel = pixel; | |
8919 | } | |
8920 | if (f->output_data.x->scroll_bar_bottom_shadow_pixel == -1) | |
8921 | { | |
8922 | pixel = f->output_data.x->scroll_bar_background_pixel; | |
8923 | if (!x_alloc_lighter_color (f, FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), | |
8924 | &pixel, 0.6, 0x4000)) | |
8925 | pixel = -1; | |
8926 | f->output_data.x->scroll_bar_bottom_shadow_pixel = pixel; | |
8927 | } | |
8928 | ||
8929 | /* Tell the toolkit about them. */ | |
8930 | if (f->output_data.x->scroll_bar_top_shadow_pixel == -1 | |
8931 | || f->output_data.x->scroll_bar_bottom_shadow_pixel == -1) | |
8932 | /* We tried to allocate a color for the top/bottom shadow, and | |
8933 | failed, so tell Xaw3d to use dithering instead. */ | |
8934 | { | |
8935 | XtSetArg (av[ac], XtNbeNiceToColormap, True); | |
8936 | ++ac; | |
8937 | } | |
8938 | else | |
8939 | /* Tell what colors Xaw3d should use for the top/bottom shadow, to | |
8940 | be more consistent with other emacs 3d colors, and since Xaw3d is | |
8941 | not good at dealing with allocation failure. */ | |
8942 | { | |
8943 | /* This tells Xaw3d to use real colors instead of dithering for | |
8944 | the shadows. */ | |
8945 | XtSetArg (av[ac], XtNbeNiceToColormap, False); | |
8946 | ++ac; | |
8947 | ||
8948 | /* Specify the colors. */ | |
8949 | pixel = f->output_data.x->scroll_bar_top_shadow_pixel; | |
8950 | if (pixel != -1) | |
8951 | { | |
8952 | XtSetArg (av[ac], "topShadowPixel", pixel); | |
8953 | ++ac; | |
8954 | } | |
8955 | pixel = f->output_data.x->scroll_bar_bottom_shadow_pixel; | |
8956 | if (pixel != -1) | |
8957 | { | |
8958 | XtSetArg (av[ac], "bottomShadowPixel", pixel); | |
8959 | ++ac; | |
8960 | } | |
8961 | } | |
8962 | ||
06a2c219 GM |
8963 | widget = XtCreateWidget (scroll_bar_name, scrollbarWidgetClass, |
8964 | f->output_data.x->edit_widget, av, ac); | |
ec18280f SM |
8965 | |
8966 | { | |
8967 | char *initial = ""; | |
8968 | char *val = initial; | |
8969 | XtVaGetValues (widget, XtNscrollVCursor, (XtPointer) &val, | |
8970 | XtNpickTop, (XtPointer) &xaw3d_pick_top, NULL); | |
8971 | if (val == initial) | |
8972 | { /* ARROW_SCROLL */ | |
8973 | xaw3d_arrow_scroll = True; | |
8974 | /* Isn't that just a personal preference ? -sm */ | |
8975 | XtVaSetValues (widget, XtNcursorName, "top_left_arrow", NULL); | |
8976 | } | |
8977 | } | |
7d0393cf | 8978 | |
06a2c219 | 8979 | /* Define callbacks. */ |
ec18280f SM |
8980 | XtAddCallback (widget, XtNjumpProc, xaw_jump_callback, (XtPointer) bar); |
8981 | XtAddCallback (widget, XtNscrollProc, xaw_scroll_callback, | |
06a2c219 | 8982 | (XtPointer) bar); |
7d0393cf | 8983 | |
06a2c219 GM |
8984 | /* Realize the widget. Only after that is the X window created. */ |
8985 | XtRealizeWidget (widget); | |
7d0393cf | 8986 | |
ec18280f | 8987 | #endif /* !USE_MOTIF */ |
06a2c219 | 8988 | |
2a51c026 | 8989 | /* Install an action hook that lets us detect when the user |
06a2c219 GM |
8990 | finishes interacting with a scroll bar. */ |
8991 | if (action_hook_id == 0) | |
8992 | action_hook_id = XtAppAddActionHook (Xt_app_con, xt_action_hook, 0); | |
7d0393cf | 8993 | |
06a2c219 GM |
8994 | /* Remember X window and widget in the scroll bar vector. */ |
8995 | SET_SCROLL_BAR_X_WIDGET (bar, widget); | |
8996 | xwindow = XtWindow (widget); | |
8997 | SET_SCROLL_BAR_X_WINDOW (bar, xwindow); | |
8998 | ||
8999 | UNBLOCK_INPUT; | |
9000 | } | |
9001 | ||
9002 | ||
9003 | /* Set the thumb size and position of scroll bar BAR. We are currently | |
9004 | displaying PORTION out of a whole WHOLE, and our position POSITION. */ | |
9005 | ||
9006 | static void | |
9007 | x_set_toolkit_scroll_bar_thumb (bar, portion, position, whole) | |
9008 | struct scroll_bar *bar; | |
9009 | int portion, position, whole; | |
f451eb13 | 9010 | { |
e83dc917 GM |
9011 | struct frame *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
9012 | Widget widget = SCROLL_BAR_X_WIDGET (FRAME_X_DISPLAY (f), bar); | |
06a2c219 | 9013 | float top, shown; |
f451eb13 | 9014 | |
6f2a7a68 SM |
9015 | BLOCK_INPUT; |
9016 | ||
9017 | #ifdef USE_MOTIF | |
9018 | ||
9019 | /* We use an estimate of 30 chars per line rather than the real | |
9020 | `portion' value. This has the disadvantage that the thumb size | |
9021 | is not very representative, but it makes our life a lot easier. | |
9022 | Otherwise, we have to constantly adjust the thumb size, which | |
9023 | we can't always do quickly enough: while dragging, the size of | |
9024 | the thumb might prevent the user from dragging the thumb all the | |
9025 | way to the end. but Motif and some versions of Xaw3d don't allow | |
9026 | updating the thumb size while dragging. Also, even if we can update | |
9027 | its size, the update will often happen too late. | |
9028 | If you don't believe it, check out revision 1.650 of xterm.c to see | |
9029 | what hoops we were going through and the still poor behavior we got. */ | |
9030 | portion = XFASTINT (XWINDOW (bar->window)->height) * 30; | |
9031 | /* When the thumb is at the bottom, position == whole. | |
9032 | So we need to increase `whole' to make space for the thumb. */ | |
9033 | whole += portion; | |
9034 | ||
9035 | if (whole <= 0) | |
06a2c219 GM |
9036 | top = 0, shown = 1; |
9037 | else | |
f451eb13 | 9038 | { |
06a2c219 GM |
9039 | top = (float) position / whole; |
9040 | shown = (float) portion / whole; | |
9041 | } | |
f451eb13 | 9042 | |
6f2a7a68 SM |
9043 | if (NILP (bar->dragging)) |
9044 | { | |
9045 | int size, value; | |
06a2c219 | 9046 | |
6f2a7a68 SM |
9047 | /* Slider size. Must be in the range [1 .. MAX - MIN] where MAX |
9048 | is the scroll bar's maximum and MIN is the scroll bar's minimum | |
9049 | value. */ | |
9050 | size = shown * XM_SB_RANGE; | |
9051 | size = min (size, XM_SB_RANGE); | |
9052 | size = max (size, 1); | |
06a2c219 | 9053 | |
6f2a7a68 SM |
9054 | /* Position. Must be in the range [MIN .. MAX - SLIDER_SIZE]. */ |
9055 | value = top * XM_SB_RANGE; | |
9056 | value = min (value, XM_SB_MAX - size); | |
9057 | value = max (value, XM_SB_MIN); | |
7d0393cf | 9058 | |
06a2c219 | 9059 | XmScrollBarSetValues (widget, value, size, 0, 0, False); |
6f2a7a68 | 9060 | } |
ec18280f | 9061 | #else /* !USE_MOTIF i.e. use Xaw */ |
6f2a7a68 SM |
9062 | |
9063 | if (whole == 0) | |
9064 | top = 0, shown = 1; | |
9065 | else | |
9066 | { | |
9067 | top = (float) position / whole; | |
9068 | shown = (float) portion / whole; | |
9069 | } | |
9070 | ||
06a2c219 | 9071 | { |
ec18280f SM |
9072 | float old_top, old_shown; |
9073 | Dimension height; | |
9074 | XtVaGetValues (widget, | |
9075 | XtNtopOfThumb, &old_top, | |
9076 | XtNshown, &old_shown, | |
9077 | XtNheight, &height, | |
9078 | NULL); | |
9079 | ||
9080 | /* Massage the top+shown values. */ | |
9081 | if (NILP (bar->dragging) || last_scroll_bar_part == scroll_bar_down_arrow) | |
9082 | top = max (0, min (1, top)); | |
9083 | else | |
9084 | top = old_top; | |
9085 | /* Keep two pixels available for moving the thumb down. */ | |
9086 | shown = max (0, min (1 - top - (2.0 / height), shown)); | |
06a2c219 GM |
9087 | |
9088 | /* If the call to XawScrollbarSetThumb below doesn't seem to work, | |
9089 | check that your system's configuration file contains a define | |
9090 | for `NARROWPROTO'. See s/freebsd.h for an example. */ | |
ec18280f | 9091 | if (top != old_top || shown != old_shown) |
eb393530 | 9092 | { |
ec18280f | 9093 | if (NILP (bar->dragging)) |
eb393530 | 9094 | XawScrollbarSetThumb (widget, top, shown); |
06a2c219 GM |
9095 | else |
9096 | { | |
ec18280f SM |
9097 | #ifdef HAVE_XAW3D |
9098 | ScrollbarWidget sb = (ScrollbarWidget) widget; | |
3e71d8f2 | 9099 | int scroll_mode = 0; |
7d0393cf | 9100 | |
ec18280f SM |
9101 | /* `scroll_mode' only exists with Xaw3d + ARROW_SCROLLBAR. */ |
9102 | if (xaw3d_arrow_scroll) | |
9103 | { | |
9104 | /* Xaw3d stupidly ignores resize requests while dragging | |
9105 | so we have to make it believe it's not in dragging mode. */ | |
9106 | scroll_mode = sb->scrollbar.scroll_mode; | |
9107 | if (scroll_mode == 2) | |
9108 | sb->scrollbar.scroll_mode = 0; | |
9109 | } | |
9110 | #endif | |
9111 | /* Try to make the scrolling a tad smoother. */ | |
9112 | if (!xaw3d_pick_top) | |
9113 | shown = min (shown, old_shown); | |
7d0393cf | 9114 | |
ec18280f | 9115 | XawScrollbarSetThumb (widget, top, shown); |
7d0393cf | 9116 | |
ec18280f SM |
9117 | #ifdef HAVE_XAW3D |
9118 | if (xaw3d_arrow_scroll && scroll_mode == 2) | |
9119 | sb->scrollbar.scroll_mode = scroll_mode; | |
9120 | #endif | |
06a2c219 | 9121 | } |
06a2c219 GM |
9122 | } |
9123 | } | |
ec18280f | 9124 | #endif /* !USE_MOTIF */ |
06a2c219 GM |
9125 | |
9126 | UNBLOCK_INPUT; | |
f451eb13 JB |
9127 | } |
9128 | ||
06a2c219 GM |
9129 | #endif /* USE_TOOLKIT_SCROLL_BARS */ |
9130 | ||
9131 | ||
9132 | \f | |
9133 | /************************************************************************ | |
9134 | Scroll bars, general | |
9135 | ************************************************************************/ | |
7d0393cf | 9136 | |
06a2c219 GM |
9137 | /* Create a scroll bar and return the scroll bar vector for it. W is |
9138 | the Emacs window on which to create the scroll bar. TOP, LEFT, | |
f7ccf929 | 9139 | WIDTH and HEIGHT are the pixel coordinates and dimensions of the |
06a2c219 GM |
9140 | scroll bar. */ |
9141 | ||
ab648270 | 9142 | static struct scroll_bar * |
06a2c219 GM |
9143 | x_scroll_bar_create (w, top, left, width, height) |
9144 | struct window *w; | |
f451eb13 JB |
9145 | int top, left, width, height; |
9146 | { | |
06a2c219 | 9147 | struct frame *f = XFRAME (w->frame); |
334208b7 RS |
9148 | struct scroll_bar *bar |
9149 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
9150 | |
9151 | BLOCK_INPUT; | |
9152 | ||
eccc05db | 9153 | #ifdef USE_TOOLKIT_SCROLL_BARS |
06a2c219 GM |
9154 | x_create_toolkit_scroll_bar (f, bar); |
9155 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
f451eb13 JB |
9156 | { |
9157 | XSetWindowAttributes a; | |
9158 | unsigned long mask; | |
5c187dee | 9159 | Window window; |
06a2c219 GM |
9160 | |
9161 | a.background_pixel = f->output_data.x->scroll_bar_background_pixel; | |
9162 | if (a.background_pixel == -1) | |
9163 | a.background_pixel = f->output_data.x->background_pixel; | |
7d0393cf | 9164 | |
12ba150f | 9165 | a.event_mask = (ButtonPressMask | ButtonReleaseMask |
9a572e2a | 9166 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 9167 | | ExposureMask); |
7a13e894 | 9168 | a.cursor = FRAME_X_DISPLAY_INFO (f)->vertical_scroll_bar_cursor; |
f451eb13 | 9169 | |
dbc4e1c1 | 9170 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 9171 | |
06a2c219 GM |
9172 | /* Clear the area of W that will serve as a scroll bar. This is |
9173 | for the case that a window has been split horizontally. In | |
9174 | this case, no clear_frame is generated to reduce flickering. */ | |
7b49b9d2 GM |
9175 | if (width > 0 && height > 0) |
9176 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
9177 | left, top, width, | |
9178 | window_box_height (w), False); | |
06a2c219 GM |
9179 | |
9180 | window = XCreateWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
9181 | /* Position and size of scroll bar. */ | |
9182 | left + VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
9183 | top, | |
9184 | width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, | |
9185 | height, | |
9186 | /* Border width, depth, class, and visual. */ | |
9187 | 0, | |
9188 | CopyFromParent, | |
9189 | CopyFromParent, | |
9190 | CopyFromParent, | |
9191 | /* Attributes. */ | |
9192 | mask, &a); | |
9193 | SET_SCROLL_BAR_X_WINDOW (bar, window); | |
f451eb13 | 9194 | } |
06a2c219 | 9195 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 | 9196 | |
06a2c219 | 9197 | XSETWINDOW (bar->window, w); |
e0c1aef2 KH |
9198 | XSETINT (bar->top, top); |
9199 | XSETINT (bar->left, left); | |
9200 | XSETINT (bar->width, width); | |
9201 | XSETINT (bar->height, height); | |
9202 | XSETINT (bar->start, 0); | |
9203 | XSETINT (bar->end, 0); | |
12ba150f | 9204 | bar->dragging = Qnil; |
f451eb13 JB |
9205 | |
9206 | /* Add bar to its frame's list of scroll bars. */ | |
334208b7 | 9207 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 9208 | bar->prev = Qnil; |
334208b7 | 9209 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
06a2c219 | 9210 | if (!NILP (bar->next)) |
e0c1aef2 | 9211 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
f451eb13 | 9212 | |
06a2c219 | 9213 | /* Map the window/widget. */ |
eccc05db | 9214 | #ifdef USE_TOOLKIT_SCROLL_BARS |
f964b4d7 GM |
9215 | { |
9216 | Widget scroll_bar = SCROLL_BAR_X_WIDGET (FRAME_X_DISPLAY (f), bar); | |
9217 | XtConfigureWidget (scroll_bar, | |
9218 | left + VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
9219 | top, | |
9220 | width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, | |
9221 | max (height, 1), 0); | |
9222 | XtMapWidget (scroll_bar); | |
9223 | } | |
06a2c219 | 9224 | #else /* not USE_TOOLKIT_SCROLL_BARS */ |
7f9c7f94 | 9225 | XMapRaised (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
06a2c219 | 9226 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 JB |
9227 | |
9228 | UNBLOCK_INPUT; | |
12ba150f | 9229 | return bar; |
f451eb13 JB |
9230 | } |
9231 | ||
06a2c219 | 9232 | |
12ba150f | 9233 | /* Draw BAR's handle in the proper position. |
7d0393cf | 9234 | |
12ba150f JB |
9235 | If the handle is already drawn from START to END, don't bother |
9236 | redrawing it, unless REBUILD is non-zero; in that case, always | |
9237 | redraw it. (REBUILD is handy for drawing the handle after expose | |
58769bee | 9238 | events.) |
12ba150f JB |
9239 | |
9240 | Normally, we want to constrain the start and end of the handle to | |
06a2c219 GM |
9241 | fit inside its rectangle, but if the user is dragging the scroll |
9242 | bar handle, we want to let them drag it down all the way, so that | |
9243 | the bar's top is as far down as it goes; otherwise, there's no way | |
9244 | to move to the very end of the buffer. */ | |
9245 | ||
5c187dee GM |
9246 | #ifndef USE_TOOLKIT_SCROLL_BARS |
9247 | ||
f451eb13 | 9248 | static void |
ab648270 JB |
9249 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
9250 | struct scroll_bar *bar; | |
f451eb13 | 9251 | int start, end; |
12ba150f | 9252 | int rebuild; |
f451eb13 | 9253 | { |
12ba150f | 9254 | int dragging = ! NILP (bar->dragging); |
ab648270 | 9255 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 | 9256 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7556890b | 9257 | GC gc = f->output_data.x->normal_gc; |
12ba150f JB |
9258 | |
9259 | /* If the display is already accurate, do nothing. */ | |
9260 | if (! rebuild | |
9261 | && start == XINT (bar->start) | |
9262 | && end == XINT (bar->end)) | |
9263 | return; | |
9264 | ||
f451eb13 JB |
9265 | BLOCK_INPUT; |
9266 | ||
9267 | { | |
d9cdbb3d RS |
9268 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (f, XINT (bar->width)); |
9269 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, XINT (bar->height)); | |
9270 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); | |
f451eb13 JB |
9271 | |
9272 | /* Make sure the values are reasonable, and try to preserve | |
9273 | the distance between start and end. */ | |
12ba150f JB |
9274 | { |
9275 | int length = end - start; | |
9276 | ||
9277 | if (start < 0) | |
9278 | start = 0; | |
9279 | else if (start > top_range) | |
9280 | start = top_range; | |
9281 | end = start + length; | |
9282 | ||
9283 | if (end < start) | |
9284 | end = start; | |
9285 | else if (end > top_range && ! dragging) | |
9286 | end = top_range; | |
9287 | } | |
f451eb13 | 9288 | |
ab648270 | 9289 | /* Store the adjusted setting in the scroll bar. */ |
e0c1aef2 KH |
9290 | XSETINT (bar->start, start); |
9291 | XSETINT (bar->end, end); | |
f451eb13 | 9292 | |
12ba150f JB |
9293 | /* Clip the end position, just for display. */ |
9294 | if (end > top_range) | |
9295 | end = top_range; | |
f451eb13 | 9296 | |
ab648270 | 9297 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
9298 | below top positions, to make sure the handle is always at least |
9299 | that many pixels tall. */ | |
ab648270 | 9300 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 9301 | |
12ba150f JB |
9302 | /* Draw the empty space above the handle. Note that we can't clear |
9303 | zero-height areas; that means "clear to end of window." */ | |
9304 | if (0 < start) | |
c5e6e06b GM |
9305 | x_clear_area (FRAME_X_DISPLAY (f), w, |
9306 | /* x, y, width, height, and exposures. */ | |
9307 | VERTICAL_SCROLL_BAR_LEFT_BORDER, | |
9308 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
9309 | inside_width, start, | |
9310 | False); | |
f451eb13 | 9311 | |
06a2c219 GM |
9312 | /* Change to proper foreground color if one is specified. */ |
9313 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) | |
9314 | XSetForeground (FRAME_X_DISPLAY (f), gc, | |
9315 | f->output_data.x->scroll_bar_foreground_pixel); | |
9316 | ||
12ba150f | 9317 | /* Draw the handle itself. */ |
334208b7 | 9318 | XFillRectangle (FRAME_X_DISPLAY (f), w, gc, |
12ba150f | 9319 | /* x, y, width, height */ |
ab648270 JB |
9320 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
9321 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 9322 | inside_width, end - start); |
f451eb13 | 9323 | |
06a2c219 GM |
9324 | /* Restore the foreground color of the GC if we changed it above. */ |
9325 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) | |
9326 | XSetForeground (FRAME_X_DISPLAY (f), gc, | |
9327 | f->output_data.x->foreground_pixel); | |
f451eb13 | 9328 | |
12ba150f JB |
9329 | /* Draw the empty space below the handle. Note that we can't |
9330 | clear zero-height areas; that means "clear to end of window." */ | |
9331 | if (end < inside_height) | |
c5e6e06b GM |
9332 | x_clear_area (FRAME_X_DISPLAY (f), w, |
9333 | /* x, y, width, height, and exposures. */ | |
9334 | VERTICAL_SCROLL_BAR_LEFT_BORDER, | |
9335 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
9336 | inside_width, inside_height - end, | |
9337 | False); | |
f451eb13 | 9338 | |
f451eb13 JB |
9339 | } |
9340 | ||
f451eb13 JB |
9341 | UNBLOCK_INPUT; |
9342 | } | |
9343 | ||
5c187dee | 9344 | #endif /* !USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 | 9345 | |
06a2c219 GM |
9346 | /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to |
9347 | nil. */ | |
58769bee | 9348 | |
12ba150f | 9349 | static void |
ab648270 JB |
9350 | x_scroll_bar_remove (bar) |
9351 | struct scroll_bar *bar; | |
12ba150f | 9352 | { |
e83dc917 | 9353 | struct frame *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
9354 | BLOCK_INPUT; |
9355 | ||
eccc05db | 9356 | #ifdef USE_TOOLKIT_SCROLL_BARS |
e83dc917 GM |
9357 | XtDestroyWidget (SCROLL_BAR_X_WIDGET (FRAME_X_DISPLAY (f), bar)); |
9358 | #else | |
9359 | XDestroyWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); | |
9360 | #endif | |
7d0393cf | 9361 | |
ab648270 JB |
9362 | /* Disassociate this scroll bar from its window. */ |
9363 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
9364 | |
9365 | UNBLOCK_INPUT; | |
9366 | } | |
9367 | ||
06a2c219 | 9368 | |
12ba150f JB |
9369 | /* Set the handle of the vertical scroll bar for WINDOW to indicate |
9370 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 9371 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f | 9372 | create one. */ |
06a2c219 | 9373 | |
12ba150f | 9374 | static void |
06a2c219 GM |
9375 | XTset_vertical_scroll_bar (w, portion, whole, position) |
9376 | struct window *w; | |
f451eb13 JB |
9377 | int portion, whole, position; |
9378 | { | |
06a2c219 | 9379 | struct frame *f = XFRAME (w->frame); |
ab648270 | 9380 | struct scroll_bar *bar; |
3c6ede7b | 9381 | int top, height, left, sb_left, width, sb_width; |
06a2c219 | 9382 | int window_x, window_y, window_width, window_height; |
06a2c219 | 9383 | |
3c6ede7b | 9384 | /* Get window dimensions. */ |
06a2c219 | 9385 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); |
3c6ede7b GM |
9386 | top = window_y; |
9387 | width = FRAME_SCROLL_BAR_COLS (f) * CANON_X_UNIT (f); | |
9388 | height = window_height; | |
06a2c219 | 9389 | |
3c6ede7b | 9390 | /* Compute the left edge of the scroll bar area. */ |
06a2c219 | 9391 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) |
3c6ede7b GM |
9392 | left = XINT (w->left) + XINT (w->width) - FRAME_SCROLL_BAR_COLS (f); |
9393 | else | |
9394 | left = XFASTINT (w->left); | |
9395 | left *= CANON_X_UNIT (f); | |
9396 | left += FRAME_INTERNAL_BORDER_WIDTH (f); | |
9397 | ||
9398 | /* Compute the width of the scroll bar which might be less than | |
9399 | the width of the area reserved for the scroll bar. */ | |
9400 | if (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0) | |
9401 | sb_width = FRAME_SCROLL_BAR_PIXEL_WIDTH (f); | |
06a2c219 | 9402 | else |
3c6ede7b | 9403 | sb_width = width; |
12ba150f | 9404 | |
3c6ede7b GM |
9405 | /* Compute the left edge of the scroll bar. */ |
9406 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
9407 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
7d0393cf | 9408 | sb_left = left + width - sb_width - (width - sb_width) / 2; |
3c6ede7b GM |
9409 | else |
9410 | sb_left = left + (width - sb_width) / 2; | |
9411 | #else | |
9412 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
7d0393cf | 9413 | sb_left = left + width - sb_width; |
3c6ede7b GM |
9414 | else |
9415 | sb_left = left; | |
9416 | #endif | |
7d0393cf | 9417 | |
ab648270 | 9418 | /* Does the scroll bar exist yet? */ |
06a2c219 | 9419 | if (NILP (w->vertical_scroll_bar)) |
3c6ede7b | 9420 | { |
7b49b9d2 | 9421 | if (width > 0 && height > 0) |
b547b6e8 GM |
9422 | { |
9423 | BLOCK_INPUT; | |
9424 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
9425 | left, top, width, height, False); | |
9426 | UNBLOCK_INPUT; | |
9427 | } | |
7d0393cf | 9428 | |
3c6ede7b GM |
9429 | bar = x_scroll_bar_create (w, top, sb_left, sb_width, height); |
9430 | } | |
f451eb13 | 9431 | else |
12ba150f JB |
9432 | { |
9433 | /* It may just need to be moved and resized. */ | |
06a2c219 | 9434 | unsigned int mask = 0; |
7d0393cf | 9435 | |
06a2c219 GM |
9436 | bar = XSCROLL_BAR (w->vertical_scroll_bar); |
9437 | ||
9438 | BLOCK_INPUT; | |
9439 | ||
3c6ede7b | 9440 | if (sb_left != XINT (bar->left)) |
06a2c219 | 9441 | mask |= CWX; |
3c6ede7b | 9442 | if (top != XINT (bar->top)) |
06a2c219 | 9443 | mask |= CWY; |
3c6ede7b | 9444 | if (sb_width != XINT (bar->width)) |
06a2c219 | 9445 | mask |= CWWidth; |
7d0393cf | 9446 | if (height != XINT (bar->height)) |
06a2c219 | 9447 | mask |= CWHeight; |
7d0393cf | 9448 | |
06a2c219 | 9449 | #ifdef USE_TOOLKIT_SCROLL_BARS |
fe6f39d9 GM |
9450 | |
9451 | /* Since toolkit scroll bars are smaller than the space reserved | |
9452 | for them on the frame, we have to clear "under" them. */ | |
7b49b9d2 | 9453 | if (width > 0 && height > 0) |
f964b4d7 GM |
9454 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
9455 | left, top, width, height, False); | |
06a2c219 GM |
9456 | |
9457 | /* Move/size the scroll bar widget. */ | |
9458 | if (mask) | |
e83dc917 | 9459 | XtConfigureWidget (SCROLL_BAR_X_WIDGET (FRAME_X_DISPLAY (f), bar), |
3c6ede7b GM |
9460 | sb_left + VERTICAL_SCROLL_BAR_WIDTH_TRIM, |
9461 | top, | |
9462 | sb_width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, | |
f964b4d7 | 9463 | max (height, 1), 0); |
06a2c219 GM |
9464 | |
9465 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
7d0393cf | 9466 | |
357e7376 GM |
9467 | /* Clear areas not covered by the scroll bar because of |
9468 | VERTICAL_SCROLL_BAR_WIDTH_TRIM. */ | |
e1f6572f RS |
9469 | if (VERTICAL_SCROLL_BAR_WIDTH_TRIM) |
9470 | { | |
c5e6e06b GM |
9471 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
9472 | left, top, VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
9473 | height, False); | |
9474 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
9475 | left + width - VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
9476 | top, VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
9477 | height, False); | |
e1f6572f | 9478 | } |
357e7376 GM |
9479 | |
9480 | /* Clear areas not covered by the scroll bar because it's not as | |
f7ccf929 | 9481 | wide as the area reserved for it. This makes sure a |
357e7376 GM |
9482 | previous mode line display is cleared after C-x 2 C-x 1, for |
9483 | example. */ | |
9484 | { | |
9485 | int area_width = FRAME_SCROLL_BAR_COLS (f) * CANON_X_UNIT (f); | |
9486 | int rest = area_width - sb_width; | |
38d2af0c GM |
9487 | if (rest > 0 && height > 0) |
9488 | { | |
9489 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)) | |
9490 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
9491 | left + area_width - rest, top, | |
9492 | rest, height, False); | |
9493 | else | |
9494 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
9495 | left, top, rest, height, False); | |
9496 | } | |
357e7376 | 9497 | } |
7d0393cf | 9498 | |
06a2c219 GM |
9499 | /* Move/size the scroll bar window. */ |
9500 | if (mask) | |
9501 | { | |
9502 | XWindowChanges wc; | |
7d0393cf | 9503 | |
3c6ede7b GM |
9504 | wc.x = sb_left + VERTICAL_SCROLL_BAR_WIDTH_TRIM; |
9505 | wc.y = top; | |
9506 | wc.width = sb_width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2; | |
9507 | wc.height = height; | |
06a2c219 GM |
9508 | XConfigureWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar), |
9509 | mask, &wc); | |
9510 | } | |
7d0393cf | 9511 | |
06a2c219 GM |
9512 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
9513 | ||
9514 | /* Remember new settings. */ | |
3c6ede7b GM |
9515 | XSETINT (bar->left, sb_left); |
9516 | XSETINT (bar->top, top); | |
9517 | XSETINT (bar->width, sb_width); | |
9518 | XSETINT (bar->height, height); | |
7d0393cf | 9519 | |
06a2c219 | 9520 | UNBLOCK_INPUT; |
12ba150f | 9521 | } |
f451eb13 | 9522 | |
eccc05db | 9523 | #ifdef USE_TOOLKIT_SCROLL_BARS |
06a2c219 GM |
9524 | x_set_toolkit_scroll_bar_thumb (bar, portion, position, whole); |
9525 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
ab648270 | 9526 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 9527 | dragged. */ |
12ba150f | 9528 | if (NILP (bar->dragging)) |
f451eb13 | 9529 | { |
92857db0 | 9530 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, height); |
f451eb13 | 9531 | |
12ba150f | 9532 | if (whole == 0) |
ab648270 | 9533 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
9534 | else |
9535 | { | |
43f868f5 JB |
9536 | int start = ((double) position * top_range) / whole; |
9537 | int end = ((double) (position + portion) * top_range) / whole; | |
ab648270 | 9538 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 9539 | } |
f451eb13 | 9540 | } |
06a2c219 | 9541 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 | 9542 | |
06a2c219 | 9543 | XSETVECTOR (w->vertical_scroll_bar, bar); |
f451eb13 JB |
9544 | } |
9545 | ||
12ba150f | 9546 | |
f451eb13 | 9547 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 9548 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 9549 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
9550 | away is a real pain - "Can you say set-window-configuration, boys |
9551 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 9552 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 9553 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 9554 | |
ab648270 JB |
9555 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
9556 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
06a2c219 GM |
9557 | `*redeem_scroll_bar_hook' is applied to its window before the judgment. */ |
9558 | ||
58769bee | 9559 | static void |
ab648270 | 9560 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
9561 | FRAME_PTR frame; |
9562 | { | |
f9e24cb9 RS |
9563 | /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */ |
9564 | while (! NILP (FRAME_SCROLL_BARS (frame))) | |
9565 | { | |
9566 | Lisp_Object bar; | |
9567 | bar = FRAME_SCROLL_BARS (frame); | |
9568 | FRAME_SCROLL_BARS (frame) = XSCROLL_BAR (bar)->next; | |
9569 | XSCROLL_BAR (bar)->next = FRAME_CONDEMNED_SCROLL_BARS (frame); | |
9570 | XSCROLL_BAR (bar)->prev = Qnil; | |
9571 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
9572 | XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame))->prev = bar; | |
9573 | FRAME_CONDEMNED_SCROLL_BARS (frame) = bar; | |
9574 | } | |
f451eb13 JB |
9575 | } |
9576 | ||
fa2dfc30 | 9577 | |
06a2c219 | 9578 | /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle. |
12ba150f | 9579 | Note that WINDOW isn't necessarily condemned at all. */ |
fa2dfc30 | 9580 | |
f451eb13 | 9581 | static void |
ab648270 | 9582 | XTredeem_scroll_bar (window) |
12ba150f | 9583 | struct window *window; |
f451eb13 | 9584 | { |
ab648270 | 9585 | struct scroll_bar *bar; |
fa2dfc30 | 9586 | struct frame *f; |
12ba150f | 9587 | |
ab648270 JB |
9588 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
9589 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
9590 | abort (); |
9591 | ||
ab648270 | 9592 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
9593 | |
9594 | /* Unlink it from the condemned list. */ | |
fa2dfc30 GM |
9595 | f = XFRAME (WINDOW_FRAME (window)); |
9596 | if (NILP (bar->prev)) | |
9597 | { | |
9598 | /* If the prev pointer is nil, it must be the first in one of | |
9599 | the lists. */ | |
9600 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) | |
9601 | /* It's not condemned. Everything's fine. */ | |
9602 | return; | |
9603 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), | |
9604 | window->vertical_scroll_bar)) | |
9605 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
9606 | else | |
9607 | /* If its prev pointer is nil, it must be at the front of | |
9608 | one or the other! */ | |
9609 | abort (); | |
9610 | } | |
9611 | else | |
9612 | XSCROLL_BAR (bar->prev)->next = bar->next; | |
12ba150f | 9613 | |
fa2dfc30 GM |
9614 | if (! NILP (bar->next)) |
9615 | XSCROLL_BAR (bar->next)->prev = bar->prev; | |
12ba150f | 9616 | |
fa2dfc30 GM |
9617 | bar->next = FRAME_SCROLL_BARS (f); |
9618 | bar->prev = Qnil; | |
9619 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
9620 | if (! NILP (bar->next)) | |
9621 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
f451eb13 JB |
9622 | } |
9623 | ||
ab648270 JB |
9624 | /* Remove all scroll bars on FRAME that haven't been saved since the |
9625 | last call to `*condemn_scroll_bars_hook'. */ | |
06a2c219 | 9626 | |
f451eb13 | 9627 | static void |
ab648270 | 9628 | XTjudge_scroll_bars (f) |
12ba150f | 9629 | FRAME_PTR f; |
f451eb13 | 9630 | { |
12ba150f | 9631 | Lisp_Object bar, next; |
f451eb13 | 9632 | |
ab648270 | 9633 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
9634 | |
9635 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
9636 | more events on the hapless scroll bars. */ |
9637 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
9638 | |
9639 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 9640 | { |
ab648270 | 9641 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 9642 | |
ab648270 | 9643 | x_scroll_bar_remove (b); |
12ba150f JB |
9644 | |
9645 | next = b->next; | |
9646 | b->next = b->prev = Qnil; | |
f451eb13 | 9647 | } |
12ba150f | 9648 | |
ab648270 | 9649 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 9650 | and they should get garbage-collected. */ |
f451eb13 JB |
9651 | } |
9652 | ||
9653 | ||
06a2c219 GM |
9654 | /* Handle an Expose or GraphicsExpose event on a scroll bar. This |
9655 | is a no-op when using toolkit scroll bars. | |
ab648270 JB |
9656 | |
9657 | This may be called from a signal handler, so we have to ignore GC | |
9658 | mark bits. */ | |
06a2c219 | 9659 | |
f451eb13 | 9660 | static void |
ab648270 JB |
9661 | x_scroll_bar_expose (bar, event) |
9662 | struct scroll_bar *bar; | |
f451eb13 JB |
9663 | XEvent *event; |
9664 | { | |
06a2c219 GM |
9665 | #ifndef USE_TOOLKIT_SCROLL_BARS |
9666 | ||
ab648270 | 9667 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 | 9668 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7556890b | 9669 | GC gc = f->output_data.x->normal_gc; |
3cbd2e0b | 9670 | int width_trim = VERTICAL_SCROLL_BAR_WIDTH_TRIM; |
12ba150f | 9671 | |
f451eb13 JB |
9672 | BLOCK_INPUT; |
9673 | ||
ab648270 | 9674 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 9675 | |
06a2c219 | 9676 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
334208b7 | 9677 | XDrawRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 JB |
9678 | |
9679 | /* x, y, width, height */ | |
d9cdbb3d | 9680 | 0, 0, |
3cbd2e0b | 9681 | XINT (bar->width) - 1 - width_trim - width_trim, |
d9cdbb3d | 9682 | XINT (bar->height) - 1); |
7d0393cf | 9683 | |
f451eb13 | 9684 | UNBLOCK_INPUT; |
06a2c219 GM |
9685 | |
9686 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ | |
f451eb13 JB |
9687 | } |
9688 | ||
ab648270 | 9689 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
3b8f9651 | 9690 | is set to something other than NO_EVENT, it is enqueued. |
ab648270 JB |
9691 | |
9692 | This may be called from a signal handler, so we have to ignore GC | |
9693 | mark bits. */ | |
06a2c219 | 9694 | |
5c187dee GM |
9695 | #ifndef USE_TOOLKIT_SCROLL_BARS |
9696 | ||
f451eb13 | 9697 | static void |
ab648270 JB |
9698 | x_scroll_bar_handle_click (bar, event, emacs_event) |
9699 | struct scroll_bar *bar; | |
f451eb13 JB |
9700 | XEvent *event; |
9701 | struct input_event *emacs_event; | |
9702 | { | |
0299d313 | 9703 | if (! GC_WINDOWP (bar->window)) |
12ba150f JB |
9704 | abort (); |
9705 | ||
3b8f9651 | 9706 | emacs_event->kind = SCROLL_BAR_CLICK_EVENT; |
69388238 | 9707 | emacs_event->code = event->xbutton.button - Button1; |
0299d313 | 9708 | emacs_event->modifiers |
7d0393cf | 9709 | = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO |
0299d313 RS |
9710 | (XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))), |
9711 | event->xbutton.state) | |
9712 | | (event->type == ButtonRelease | |
9713 | ? up_modifier | |
9714 | : down_modifier)); | |
12ba150f | 9715 | emacs_event->frame_or_window = bar->window; |
0f8aabe9 | 9716 | emacs_event->arg = Qnil; |
f451eb13 | 9717 | emacs_event->timestamp = event->xbutton.time; |
12ba150f | 9718 | { |
06a2c219 | 9719 | #if 0 |
d9cdbb3d | 9720 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
0299d313 | 9721 | int internal_height |
d9cdbb3d | 9722 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, XINT (bar->height)); |
06a2c219 | 9723 | #endif |
0299d313 | 9724 | int top_range |
d9cdbb3d | 9725 | = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
ab648270 | 9726 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
9727 | |
9728 | if (y < 0) y = 0; | |
9729 | if (y > top_range) y = top_range; | |
9730 | ||
9731 | if (y < XINT (bar->start)) | |
ab648270 JB |
9732 | emacs_event->part = scroll_bar_above_handle; |
9733 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
9734 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 9735 | else |
ab648270 | 9736 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
9737 | |
9738 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
9739 | they want to drag it. Lisp code needs to be able to decide |
9740 | whether or not we're dragging. */ | |
929787e1 | 9741 | #if 0 |
12ba150f JB |
9742 | /* If the user has just clicked on the handle, record where they're |
9743 | holding it. */ | |
9744 | if (event->type == ButtonPress | |
ab648270 | 9745 | && emacs_event->part == scroll_bar_handle) |
e0c1aef2 | 9746 | XSETINT (bar->dragging, y - XINT (bar->start)); |
929787e1 | 9747 | #endif |
12ba150f JB |
9748 | |
9749 | /* If the user has released the handle, set it to its final position. */ | |
9750 | if (event->type == ButtonRelease | |
9751 | && ! NILP (bar->dragging)) | |
9752 | { | |
9753 | int new_start = y - XINT (bar->dragging); | |
9754 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 9755 | |
ab648270 | 9756 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
9757 | bar->dragging = Qnil; |
9758 | } | |
f451eb13 | 9759 | |
5116f055 JB |
9760 | /* Same deal here as the other #if 0. */ |
9761 | #if 0 | |
58769bee | 9762 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 9763 | the handle. */ |
ab648270 | 9764 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
9765 | emacs_event->x = bar->start; |
9766 | else | |
e0c1aef2 | 9767 | XSETINT (emacs_event->x, y); |
5116f055 | 9768 | #else |
e0c1aef2 | 9769 | XSETINT (emacs_event->x, y); |
5116f055 | 9770 | #endif |
f451eb13 | 9771 | |
e0c1aef2 | 9772 | XSETINT (emacs_event->y, top_range); |
12ba150f JB |
9773 | } |
9774 | } | |
f451eb13 | 9775 | |
ab648270 JB |
9776 | /* Handle some mouse motion while someone is dragging the scroll bar. |
9777 | ||
9778 | This may be called from a signal handler, so we have to ignore GC | |
9779 | mark bits. */ | |
06a2c219 | 9780 | |
f451eb13 | 9781 | static void |
ab648270 JB |
9782 | x_scroll_bar_note_movement (bar, event) |
9783 | struct scroll_bar *bar; | |
f451eb13 JB |
9784 | XEvent *event; |
9785 | { | |
39d8bb4d KH |
9786 | FRAME_PTR f = XFRAME (XWINDOW (bar->window)->frame); |
9787 | ||
f451eb13 JB |
9788 | last_mouse_movement_time = event->xmotion.time; |
9789 | ||
39d8bb4d | 9790 | f->mouse_moved = 1; |
e0c1aef2 | 9791 | XSETVECTOR (last_mouse_scroll_bar, bar); |
f451eb13 JB |
9792 | |
9793 | /* If we're dragging the bar, display it. */ | |
ab648270 | 9794 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
9795 | { |
9796 | /* Where should the handle be now? */ | |
12ba150f | 9797 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 9798 | |
12ba150f | 9799 | if (new_start != XINT (bar->start)) |
f451eb13 | 9800 | { |
12ba150f | 9801 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
58769bee | 9802 | |
ab648270 | 9803 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
9804 | } |
9805 | } | |
f451eb13 JB |
9806 | } |
9807 | ||
5c187dee GM |
9808 | #endif /* !USE_TOOLKIT_SCROLL_BARS */ |
9809 | ||
12ba150f | 9810 | /* Return information to the user about the current position of the mouse |
ab648270 | 9811 | on the scroll bar. */ |
06a2c219 | 9812 | |
12ba150f | 9813 | static void |
334208b7 RS |
9814 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
9815 | FRAME_PTR *fp; | |
12ba150f | 9816 | Lisp_Object *bar_window; |
ab648270 | 9817 | enum scroll_bar_part *part; |
12ba150f JB |
9818 | Lisp_Object *x, *y; |
9819 | unsigned long *time; | |
9820 | { | |
ab648270 | 9821 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
334208b7 RS |
9822 | Window w = SCROLL_BAR_X_WINDOW (bar); |
9823 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
12ba150f | 9824 | int win_x, win_y; |
559cb2fb JB |
9825 | Window dummy_window; |
9826 | int dummy_coord; | |
9827 | unsigned int dummy_mask; | |
12ba150f | 9828 | |
cf7cb199 JB |
9829 | BLOCK_INPUT; |
9830 | ||
ab648270 | 9831 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 9832 | report that. */ |
334208b7 | 9833 | if (! XQueryPointer (FRAME_X_DISPLAY (f), w, |
12ba150f | 9834 | |
559cb2fb JB |
9835 | /* Root, child, root x and root y. */ |
9836 | &dummy_window, &dummy_window, | |
9837 | &dummy_coord, &dummy_coord, | |
12ba150f | 9838 | |
559cb2fb JB |
9839 | /* Position relative to scroll bar. */ |
9840 | &win_x, &win_y, | |
12ba150f | 9841 | |
559cb2fb JB |
9842 | /* Mouse buttons and modifier keys. */ |
9843 | &dummy_mask)) | |
7a13e894 | 9844 | ; |
559cb2fb JB |
9845 | else |
9846 | { | |
06a2c219 | 9847 | #if 0 |
559cb2fb | 9848 | int inside_height |
d9cdbb3d | 9849 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, XINT (bar->height)); |
06a2c219 | 9850 | #endif |
559cb2fb | 9851 | int top_range |
d9cdbb3d | 9852 | = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
559cb2fb JB |
9853 | |
9854 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
9855 | ||
9856 | if (! NILP (bar->dragging)) | |
9857 | win_y -= XINT (bar->dragging); | |
9858 | ||
9859 | if (win_y < 0) | |
9860 | win_y = 0; | |
9861 | if (win_y > top_range) | |
9862 | win_y = top_range; | |
9863 | ||
334208b7 | 9864 | *fp = f; |
7a13e894 | 9865 | *bar_window = bar->window; |
559cb2fb JB |
9866 | |
9867 | if (! NILP (bar->dragging)) | |
9868 | *part = scroll_bar_handle; | |
9869 | else if (win_y < XINT (bar->start)) | |
9870 | *part = scroll_bar_above_handle; | |
9871 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
9872 | *part = scroll_bar_handle; | |
9873 | else | |
9874 | *part = scroll_bar_below_handle; | |
12ba150f | 9875 | |
e0c1aef2 KH |
9876 | XSETINT (*x, win_y); |
9877 | XSETINT (*y, top_range); | |
12ba150f | 9878 | |
39d8bb4d | 9879 | f->mouse_moved = 0; |
559cb2fb JB |
9880 | last_mouse_scroll_bar = Qnil; |
9881 | } | |
12ba150f | 9882 | |
559cb2fb | 9883 | *time = last_mouse_movement_time; |
cf7cb199 | 9884 | |
cf7cb199 | 9885 | UNBLOCK_INPUT; |
12ba150f JB |
9886 | } |
9887 | ||
f451eb13 | 9888 | |
dbc4e1c1 | 9889 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
9890 | background colors, and the scroll bars may need to be redrawn. |
9891 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
9892 | redraw them. */ |
9893 | ||
dfcf069d | 9894 | void |
ab648270 | 9895 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
9896 | FRAME_PTR f; |
9897 | { | |
06a2c219 | 9898 | #ifndef USE_TOOLKIT_SCROLL_BARS |
dbc4e1c1 JB |
9899 | Lisp_Object bar; |
9900 | ||
b80c363e RS |
9901 | /* We can have scroll bars even if this is 0, |
9902 | if we just turned off scroll bar mode. | |
9903 | But in that case we should not clear them. */ | |
9904 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
9905 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
9906 | bar = XSCROLL_BAR (bar)->next) | |
c5e6e06b GM |
9907 | XClearArea (FRAME_X_DISPLAY (f), |
9908 | SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
b80c363e | 9909 | 0, 0, 0, 0, True); |
06a2c219 | 9910 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
dbc4e1c1 JB |
9911 | } |
9912 | ||
06a2c219 | 9913 | /* This processes Expose events from the menu-bar specific X event |
19126e11 | 9914 | loop in xmenu.c. This allows to redisplay the frame if necessary |
06a2c219 | 9915 | when handling menu-bar or pop-up items. */ |
3afe33e7 | 9916 | |
06a2c219 | 9917 | int |
3afe33e7 RS |
9918 | process_expose_from_menu (event) |
9919 | XEvent event; | |
9920 | { | |
9921 | FRAME_PTR f; | |
19126e11 | 9922 | struct x_display_info *dpyinfo; |
06a2c219 | 9923 | int frame_exposed_p = 0; |
3afe33e7 | 9924 | |
f94397b5 KH |
9925 | BLOCK_INPUT; |
9926 | ||
19126e11 KH |
9927 | dpyinfo = x_display_info_for_display (event.xexpose.display); |
9928 | f = x_window_to_frame (dpyinfo, event.xexpose.window); | |
3afe33e7 RS |
9929 | if (f) |
9930 | { | |
9931 | if (f->async_visible == 0) | |
9932 | { | |
9933 | f->async_visible = 1; | |
9934 | f->async_iconified = 0; | |
06c488fd | 9935 | f->output_data.x->has_been_visible = 1; |
3afe33e7 RS |
9936 | SET_FRAME_GARBAGED (f); |
9937 | } | |
9938 | else | |
9939 | { | |
06a2c219 GM |
9940 | expose_frame (x_window_to_frame (dpyinfo, event.xexpose.window), |
9941 | event.xexpose.x, event.xexpose.y, | |
9942 | event.xexpose.width, event.xexpose.height); | |
9943 | frame_exposed_p = 1; | |
3afe33e7 RS |
9944 | } |
9945 | } | |
9946 | else | |
9947 | { | |
9948 | struct scroll_bar *bar | |
9949 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 9950 | |
3afe33e7 RS |
9951 | if (bar) |
9952 | x_scroll_bar_expose (bar, &event); | |
9953 | } | |
f94397b5 KH |
9954 | |
9955 | UNBLOCK_INPUT; | |
06a2c219 | 9956 | return frame_exposed_p; |
3afe33e7 | 9957 | } |
09756a85 RS |
9958 | \f |
9959 | /* Define a queue to save up SelectionRequest events for later handling. */ | |
9960 | ||
9961 | struct selection_event_queue | |
9962 | { | |
9963 | XEvent event; | |
9964 | struct selection_event_queue *next; | |
9965 | }; | |
9966 | ||
9967 | static struct selection_event_queue *queue; | |
9968 | ||
9969 | /* Nonzero means queue up certain events--don't process them yet. */ | |
06a2c219 | 9970 | |
09756a85 RS |
9971 | static int x_queue_selection_requests; |
9972 | ||
9973 | /* Queue up an X event *EVENT, to be processed later. */ | |
dbc4e1c1 | 9974 | |
09756a85 | 9975 | static void |
334208b7 RS |
9976 | x_queue_event (f, event) |
9977 | FRAME_PTR f; | |
09756a85 RS |
9978 | XEvent *event; |
9979 | { | |
9980 | struct selection_event_queue *queue_tmp | |
06a2c219 | 9981 | = (struct selection_event_queue *) xmalloc (sizeof (struct selection_event_queue)); |
09756a85 | 9982 | |
58769bee | 9983 | if (queue_tmp != NULL) |
09756a85 RS |
9984 | { |
9985 | queue_tmp->event = *event; | |
9986 | queue_tmp->next = queue; | |
9987 | queue = queue_tmp; | |
9988 | } | |
9989 | } | |
9990 | ||
9991 | /* Take all the queued events and put them back | |
9992 | so that they get processed afresh. */ | |
9993 | ||
9994 | static void | |
db3906fd RS |
9995 | x_unqueue_events (display) |
9996 | Display *display; | |
09756a85 | 9997 | { |
58769bee | 9998 | while (queue != NULL) |
09756a85 RS |
9999 | { |
10000 | struct selection_event_queue *queue_tmp = queue; | |
db3906fd | 10001 | XPutBackEvent (display, &queue_tmp->event); |
09756a85 | 10002 | queue = queue_tmp->next; |
06a2c219 | 10003 | xfree ((char *)queue_tmp); |
09756a85 RS |
10004 | } |
10005 | } | |
10006 | ||
10007 | /* Start queuing SelectionRequest events. */ | |
10008 | ||
10009 | void | |
db3906fd RS |
10010 | x_start_queuing_selection_requests (display) |
10011 | Display *display; | |
09756a85 RS |
10012 | { |
10013 | x_queue_selection_requests++; | |
10014 | } | |
10015 | ||
10016 | /* Stop queuing SelectionRequest events. */ | |
10017 | ||
10018 | void | |
db3906fd RS |
10019 | x_stop_queuing_selection_requests (display) |
10020 | Display *display; | |
09756a85 RS |
10021 | { |
10022 | x_queue_selection_requests--; | |
db3906fd | 10023 | x_unqueue_events (display); |
09756a85 | 10024 | } |
f451eb13 JB |
10025 | \f |
10026 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 10027 | |
042c33d3 | 10028 | #if 0 |
06a2c219 | 10029 | /* Time stamp of enter window event. This is only used by XTread_socket, |
dc6f92b8 JB |
10030 | but we have to put it out here, since static variables within functions |
10031 | sometimes don't work. */ | |
06a2c219 | 10032 | |
dc6f92b8 | 10033 | static Time enter_timestamp; |
042c33d3 | 10034 | #endif |
dc6f92b8 | 10035 | |
11edeb03 | 10036 | /* This holds the state XLookupString needs to implement dead keys |
58769bee | 10037 | and other tricks known as "compose processing". _X Window System_ |
11edeb03 JB |
10038 | says that a portable program can't use this, but Stephen Gildea assures |
10039 | me that letting the compiler initialize it to zeros will work okay. | |
10040 | ||
10041 | This must be defined outside of XTread_socket, for the same reasons | |
f7d40b3b | 10042 | given for enter_timestamp, above. */ |
06a2c219 | 10043 | |
11edeb03 JB |
10044 | static XComposeStatus compose_status; |
10045 | ||
10e6549c RS |
10046 | /* Record the last 100 characters stored |
10047 | to help debug the loss-of-chars-during-GC problem. */ | |
06a2c219 | 10048 | |
2224b905 RS |
10049 | static int temp_index; |
10050 | static short temp_buffer[100]; | |
10e6549c | 10051 | |
7a13e894 RS |
10052 | /* Set this to nonzero to fake an "X I/O error" |
10053 | on a particular display. */ | |
06a2c219 | 10054 | |
7a13e894 RS |
10055 | struct x_display_info *XTread_socket_fake_io_error; |
10056 | ||
2224b905 RS |
10057 | /* When we find no input here, we occasionally do a no-op command |
10058 | to verify that the X server is still running and we can still talk with it. | |
10059 | We try all the open displays, one by one. | |
10060 | This variable is used for cycling thru the displays. */ | |
06a2c219 | 10061 | |
2224b905 RS |
10062 | static struct x_display_info *next_noop_dpyinfo; |
10063 | ||
06a2c219 GM |
10064 | #define SET_SAVED_MENU_EVENT(size) \ |
10065 | do \ | |
10066 | { \ | |
10067 | if (f->output_data.x->saved_menu_event == 0) \ | |
10068 | f->output_data.x->saved_menu_event \ | |
10069 | = (XEvent *) xmalloc (sizeof (XEvent)); \ | |
10070 | bcopy (&event, f->output_data.x->saved_menu_event, size); \ | |
10071 | if (numchars >= 1) \ | |
10072 | { \ | |
3b8f9651 | 10073 | bufp->kind = MENU_BAR_ACTIVATE_EVENT; \ |
06a2c219 | 10074 | XSETFRAME (bufp->frame_or_window, f); \ |
0f8aabe9 | 10075 | bufp->arg = Qnil; \ |
06a2c219 GM |
10076 | bufp++; \ |
10077 | count++; \ | |
10078 | numchars--; \ | |
10079 | } \ | |
10080 | } \ | |
10081 | while (0) | |
10082 | ||
8805890a | 10083 | #define SET_SAVED_BUTTON_EVENT SET_SAVED_MENU_EVENT (sizeof (XButtonEvent)) |
06a2c219 | 10084 | #define SET_SAVED_KEY_EVENT SET_SAVED_MENU_EVENT (sizeof (XKeyEvent)) |
8805890a | 10085 | |
dc6f92b8 JB |
10086 | /* Read events coming from the X server. |
10087 | This routine is called by the SIGIO handler. | |
10088 | We return as soon as there are no more events to be read. | |
10089 | ||
10090 | Events representing keys are stored in buffer BUFP, | |
10091 | which can hold up to NUMCHARS characters. | |
10092 | We return the number of characters stored into the buffer, | |
10093 | thus pretending to be `read'. | |
10094 | ||
dc6f92b8 JB |
10095 | EXPECTED is nonzero if the caller knows input is available. */ |
10096 | ||
6f2a7a68 | 10097 | static int |
f66868ba | 10098 | XTread_socket (sd, bufp, numchars, expected) |
dc6f92b8 | 10099 | register int sd; |
8805890a KH |
10100 | /* register */ struct input_event *bufp; |
10101 | /* register */ int numchars; | |
dc6f92b8 JB |
10102 | int expected; |
10103 | { | |
10104 | int count = 0; | |
10105 | int nbytes = 0; | |
dc6f92b8 | 10106 | XEvent event; |
f676886a | 10107 | struct frame *f; |
66f55a9d | 10108 | int event_found = 0; |
334208b7 | 10109 | struct x_display_info *dpyinfo; |
379b5ac0 | 10110 | struct coding_system coding; |
dc6f92b8 | 10111 | |
9ac0d9e0 | 10112 | if (interrupt_input_blocked) |
dc6f92b8 | 10113 | { |
9ac0d9e0 | 10114 | interrupt_input_pending = 1; |
dc6f92b8 JB |
10115 | return -1; |
10116 | } | |
10117 | ||
9ac0d9e0 | 10118 | interrupt_input_pending = 0; |
dc6f92b8 | 10119 | BLOCK_INPUT; |
c0a04927 RS |
10120 | |
10121 | /* So people can tell when we have read the available input. */ | |
10122 | input_signal_count++; | |
10123 | ||
dc6f92b8 | 10124 | if (numchars <= 0) |
06a2c219 | 10125 | abort (); /* Don't think this happens. */ |
dc6f92b8 | 10126 | |
bde5503b | 10127 | ++handling_signal; |
7d0393cf | 10128 | |
7a13e894 RS |
10129 | /* Find the display we are supposed to read input for. |
10130 | It's the one communicating on descriptor SD. */ | |
10131 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
10132 | { | |
10133 | #if 0 /* This ought to be unnecessary; let's verify it. */ | |
dc6f92b8 | 10134 | #ifdef FIOSNBIO |
7a13e894 RS |
10135 | /* If available, Xlib uses FIOSNBIO to make the socket |
10136 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
e6cbea31 | 10137 | FIOSNBIO is ignored, and instead of signaling EWOULDBLOCK, |
06a2c219 | 10138 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ |
7a13e894 | 10139 | fcntl (dpyinfo->connection, F_SETFL, 0); |
c118dd06 | 10140 | #endif /* ! defined (FIOSNBIO) */ |
7a13e894 | 10141 | #endif |
dc6f92b8 | 10142 | |
7a13e894 RS |
10143 | #if 0 /* This code can't be made to work, with multiple displays, |
10144 | and appears not to be used on any system any more. | |
10145 | Also keyboard.c doesn't turn O_NDELAY on and off | |
10146 | for X connections. */ | |
dc6f92b8 JB |
10147 | #ifndef SIGIO |
10148 | #ifndef HAVE_SELECT | |
7a13e894 RS |
10149 | if (! (fcntl (dpyinfo->connection, F_GETFL, 0) & O_NDELAY)) |
10150 | { | |
10151 | extern int read_alarm_should_throw; | |
10152 | read_alarm_should_throw = 1; | |
10153 | XPeekEvent (dpyinfo->display, &event); | |
10154 | read_alarm_should_throw = 0; | |
10155 | } | |
c118dd06 JB |
10156 | #endif /* HAVE_SELECT */ |
10157 | #endif /* SIGIO */ | |
7a13e894 | 10158 | #endif |
dc6f92b8 | 10159 | |
7a13e894 RS |
10160 | /* For debugging, this gives a way to fake an I/O error. */ |
10161 | if (dpyinfo == XTread_socket_fake_io_error) | |
10162 | { | |
10163 | XTread_socket_fake_io_error = 0; | |
10164 | x_io_error_quitter (dpyinfo->display); | |
10165 | } | |
dc6f92b8 | 10166 | |
5f30b957 JD |
10167 | #ifdef HAVE_X_SM |
10168 | BLOCK_INPUT; | |
10169 | count += x_session_check_input (bufp, &numchars); | |
10170 | UNBLOCK_INPUT; | |
10171 | #endif | |
10172 | ||
06a2c219 | 10173 | while (XPending (dpyinfo->display)) |
dc6f92b8 | 10174 | { |
7a13e894 | 10175 | XNextEvent (dpyinfo->display, &event); |
06a2c219 | 10176 | |
531483fb | 10177 | #ifdef HAVE_X_I18N |
d1bc4182 | 10178 | { |
f2be1146 GM |
10179 | /* Filter events for the current X input method. |
10180 | XFilterEvent returns non-zero if the input method has | |
10181 | consumed the event. We pass the frame's X window to | |
10182 | XFilterEvent because that's the one for which the IC | |
10183 | was created. */ | |
f5d11644 GM |
10184 | struct frame *f1 = x_any_window_to_frame (dpyinfo, |
10185 | event.xclient.window); | |
10186 | if (XFilterEvent (&event, f1 ? FRAME_X_WINDOW (f1) : None)) | |
d1bc4182 RS |
10187 | break; |
10188 | } | |
0cd6403b | 10189 | #endif |
7a13e894 RS |
10190 | event_found = 1; |
10191 | ||
10192 | switch (event.type) | |
10193 | { | |
10194 | case ClientMessage: | |
c047688c | 10195 | { |
7a13e894 RS |
10196 | if (event.xclient.message_type |
10197 | == dpyinfo->Xatom_wm_protocols | |
10198 | && event.xclient.format == 32) | |
c047688c | 10199 | { |
7a13e894 RS |
10200 | if (event.xclient.data.l[0] |
10201 | == dpyinfo->Xatom_wm_take_focus) | |
c047688c | 10202 | { |
8c1a6a84 RS |
10203 | /* Use x_any_window_to_frame because this |
10204 | could be the shell widget window | |
10205 | if the frame has no title bar. */ | |
10206 | f = x_any_window_to_frame (dpyinfo, event.xclient.window); | |
6c183ba5 RS |
10207 | #ifdef HAVE_X_I18N |
10208 | /* Not quite sure this is needed -pd */ | |
8c1a6a84 | 10209 | if (f && FRAME_XIC (f)) |
6c183ba5 RS |
10210 | XSetICFocus (FRAME_XIC (f)); |
10211 | #endif | |
f1da8f06 GM |
10212 | #if 0 /* Emacs sets WM hints whose `input' field is `true'. This |
10213 | instructs the WM to set the input focus automatically for | |
10214 | Emacs with a call to XSetInputFocus. Setting WM_TAKE_FOCUS | |
10215 | tells the WM to send us a ClientMessage WM_TAKE_FOCUS after | |
10216 | it has set the focus. So, XSetInputFocus below is not | |
10217 | needed. | |
10218 | ||
10219 | The call to XSetInputFocus below has also caused trouble. In | |
10220 | cases where the XSetInputFocus done by the WM and the one | |
10221 | below are temporally close (on a fast machine), the call | |
10222 | below can generate additional FocusIn events which confuse | |
10223 | Emacs. */ | |
7d0393cf | 10224 | |
bf7253f4 RS |
10225 | /* Since we set WM_TAKE_FOCUS, we must call |
10226 | XSetInputFocus explicitly. But not if f is null, | |
10227 | since that might be an event for a deleted frame. */ | |
7a13e894 | 10228 | if (f) |
bf7253f4 RS |
10229 | { |
10230 | Display *d = event.xclient.display; | |
10231 | /* Catch and ignore errors, in case window has been | |
10232 | iconified by a window manager such as GWM. */ | |
10233 | int count = x_catch_errors (d); | |
10234 | XSetInputFocus (d, event.xclient.window, | |
e1f6572f RS |
10235 | /* The ICCCM says this is |
10236 | the only valid choice. */ | |
10237 | RevertToParent, | |
bf7253f4 RS |
10238 | event.xclient.data.l[1]); |
10239 | /* This is needed to detect the error | |
10240 | if there is an error. */ | |
10241 | XSync (d, False); | |
10242 | x_uncatch_errors (d, count); | |
7d0393cf | 10243 | } |
7a13e894 | 10244 | /* Not certain about handling scroll bars here */ |
f1da8f06 | 10245 | #endif /* 0 */ |
c047688c | 10246 | } |
7a13e894 RS |
10247 | else if (event.xclient.data.l[0] |
10248 | == dpyinfo->Xatom_wm_save_yourself) | |
10249 | { | |
10250 | /* Save state modify the WM_COMMAND property to | |
06a2c219 | 10251 | something which can reinstate us. This notifies |
7a13e894 RS |
10252 | the session manager, who's looking for such a |
10253 | PropertyNotify. Can restart processing when | |
06a2c219 | 10254 | a keyboard or mouse event arrives. */ |
5f30b957 JD |
10255 | /* If we have a session manager, don't set this. |
10256 | KDE will then start two Emacsen, one for the | |
10257 | session manager and one for this. */ | |
10258 | if (numchars > 0 | |
10259 | #ifdef HAVE_X_SM | |
10260 | && ! x_session_have_connection () | |
10261 | #endif | |
10262 | ) | |
7a13e894 | 10263 | { |
19126e11 KH |
10264 | f = x_top_window_to_frame (dpyinfo, |
10265 | event.xclient.window); | |
7a13e894 RS |
10266 | /* This is just so we only give real data once |
10267 | for a single Emacs process. */ | |
b86bd3dd | 10268 | if (f == SELECTED_FRAME ()) |
7a13e894 RS |
10269 | XSetCommand (FRAME_X_DISPLAY (f), |
10270 | event.xclient.window, | |
10271 | initial_argv, initial_argc); | |
f000f5c5 | 10272 | else if (f) |
7a13e894 RS |
10273 | XSetCommand (FRAME_X_DISPLAY (f), |
10274 | event.xclient.window, | |
10275 | 0, 0); | |
10276 | } | |
10277 | } | |
10278 | else if (event.xclient.data.l[0] | |
10279 | == dpyinfo->Xatom_wm_delete_window) | |
1fb20991 | 10280 | { |
19126e11 KH |
10281 | struct frame *f |
10282 | = x_any_window_to_frame (dpyinfo, | |
10283 | event.xclient.window); | |
1fb20991 | 10284 | |
7a13e894 RS |
10285 | if (f) |
10286 | { | |
10287 | if (numchars == 0) | |
10288 | abort (); | |
1fb20991 | 10289 | |
3b8f9651 | 10290 | bufp->kind = DELETE_WINDOW_EVENT; |
7a13e894 | 10291 | XSETFRAME (bufp->frame_or_window, f); |
0f8aabe9 | 10292 | bufp->arg = Qnil; |
7a13e894 RS |
10293 | bufp++; |
10294 | ||
10295 | count += 1; | |
10296 | numchars -= 1; | |
10297 | } | |
1fb20991 | 10298 | } |
c047688c | 10299 | } |
7a13e894 RS |
10300 | else if (event.xclient.message_type |
10301 | == dpyinfo->Xatom_wm_configure_denied) | |
10302 | { | |
10303 | } | |
10304 | else if (event.xclient.message_type | |
10305 | == dpyinfo->Xatom_wm_window_moved) | |
10306 | { | |
10307 | int new_x, new_y; | |
19126e11 KH |
10308 | struct frame *f |
10309 | = x_window_to_frame (dpyinfo, event.xclient.window); | |
58769bee | 10310 | |
7a13e894 RS |
10311 | new_x = event.xclient.data.s[0]; |
10312 | new_y = event.xclient.data.s[1]; | |
1fb20991 | 10313 | |
7a13e894 RS |
10314 | if (f) |
10315 | { | |
7556890b RS |
10316 | f->output_data.x->left_pos = new_x; |
10317 | f->output_data.x->top_pos = new_y; | |
7a13e894 | 10318 | } |
1fb20991 | 10319 | } |
0fdff6bb | 10320 | #ifdef HACK_EDITRES |
7a13e894 RS |
10321 | else if (event.xclient.message_type |
10322 | == dpyinfo->Xatom_editres) | |
10323 | { | |
19126e11 KH |
10324 | struct frame *f |
10325 | = x_any_window_to_frame (dpyinfo, event.xclient.window); | |
7556890b | 10326 | _XEditResCheckMessages (f->output_data.x->widget, NULL, |
19126e11 | 10327 | &event, NULL); |
7a13e894 | 10328 | } |
0fdff6bb | 10329 | #endif /* HACK_EDITRES */ |
06a2c219 GM |
10330 | else if ((event.xclient.message_type |
10331 | == dpyinfo->Xatom_DONE) | |
10332 | || (event.xclient.message_type | |
10333 | == dpyinfo->Xatom_PAGE)) | |
10334 | { | |
10335 | /* Ghostview job completed. Kill it. We could | |
10336 | reply with "Next" if we received "Page", but we | |
10337 | currently never do because we are interested in | |
10338 | images, only, which should have 1 page. */ | |
06a2c219 GM |
10339 | Pixmap pixmap = (Pixmap) event.xclient.data.l[1]; |
10340 | struct frame *f | |
10341 | = x_window_to_frame (dpyinfo, event.xclient.window); | |
10342 | x_kill_gs_process (pixmap, f); | |
10343 | expose_frame (f, 0, 0, 0, 0); | |
10344 | } | |
10345 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
10346 | /* Scroll bar callbacks send a ClientMessage from which | |
10347 | we construct an input_event. */ | |
10348 | else if (event.xclient.message_type | |
10349 | == dpyinfo->Xatom_Scrollbar) | |
10350 | { | |
10351 | x_scroll_bar_to_input_event (&event, bufp); | |
10352 | ++bufp, ++count, --numchars; | |
10353 | goto out; | |
10354 | } | |
10355 | #endif /* USE_TOOLKIT_SCROLL_BARS */ | |
10356 | else | |
10357 | goto OTHER; | |
7a13e894 RS |
10358 | } |
10359 | break; | |
dc6f92b8 | 10360 | |
7a13e894 | 10361 | case SelectionNotify: |
3afe33e7 | 10362 | #ifdef USE_X_TOOLKIT |
19126e11 | 10363 | if (! x_window_to_frame (dpyinfo, event.xselection.requestor)) |
7a13e894 | 10364 | goto OTHER; |
3afe33e7 | 10365 | #endif /* not USE_X_TOOLKIT */ |
dfcf069d | 10366 | x_handle_selection_notify (&event.xselection); |
7a13e894 | 10367 | break; |
d56a553a | 10368 | |
06a2c219 | 10369 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 10370 | #ifdef USE_X_TOOLKIT |
19126e11 | 10371 | if (! x_window_to_frame (dpyinfo, event.xselectionclear.window)) |
7a13e894 | 10372 | goto OTHER; |
3afe33e7 | 10373 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
10374 | { |
10375 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
d56a553a | 10376 | |
7a13e894 RS |
10377 | if (numchars == 0) |
10378 | abort (); | |
d56a553a | 10379 | |
3b8f9651 | 10380 | bufp->kind = SELECTION_CLEAR_EVENT; |
7a13e894 RS |
10381 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; |
10382 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
10383 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
e6cbea31 | 10384 | bufp->frame_or_window = Qnil; |
0f8aabe9 | 10385 | bufp->arg = Qnil; |
7a13e894 | 10386 | bufp++; |
d56a553a | 10387 | |
7a13e894 RS |
10388 | count += 1; |
10389 | numchars -= 1; | |
10390 | } | |
10391 | break; | |
dc6f92b8 | 10392 | |
06a2c219 | 10393 | case SelectionRequest: /* Someone wants our selection. */ |
3afe33e7 | 10394 | #ifdef USE_X_TOOLKIT |
19126e11 | 10395 | if (!x_window_to_frame (dpyinfo, event.xselectionrequest.owner)) |
7a13e894 | 10396 | goto OTHER; |
3afe33e7 | 10397 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 10398 | if (x_queue_selection_requests) |
19126e11 | 10399 | x_queue_event (x_window_to_frame (dpyinfo, event.xselectionrequest.owner), |
7a13e894 RS |
10400 | &event); |
10401 | else | |
10402 | { | |
1d2b2268 GM |
10403 | XSelectionRequestEvent *eventp |
10404 | = (XSelectionRequestEvent *) &event; | |
dc6f92b8 | 10405 | |
7a13e894 RS |
10406 | if (numchars == 0) |
10407 | abort (); | |
10408 | ||
3b8f9651 | 10409 | bufp->kind = SELECTION_REQUEST_EVENT; |
7a13e894 RS |
10410 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; |
10411 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
10412 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
10413 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
10414 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
10415 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
e6cbea31 | 10416 | bufp->frame_or_window = Qnil; |
0f8aabe9 | 10417 | bufp->arg = Qnil; |
7a13e894 RS |
10418 | bufp++; |
10419 | ||
10420 | count += 1; | |
10421 | numchars -= 1; | |
10422 | } | |
10423 | break; | |
10424 | ||
10425 | case PropertyNotify: | |
1d2b2268 GM |
10426 | #if 0 /* This is plain wrong. In the case that we are waiting for a |
10427 | PropertyNotify used as an ACK in incremental selection | |
10428 | transfer, the property will be on the receiver's window. */ | |
10429 | #if defined USE_X_TOOLKIT | |
19126e11 | 10430 | if (!x_any_window_to_frame (dpyinfo, event.xproperty.window)) |
7a13e894 | 10431 | goto OTHER; |
1d2b2268 GM |
10432 | #endif |
10433 | #endif | |
dfcf069d | 10434 | x_handle_property_notify (&event.xproperty); |
1d2b2268 | 10435 | goto OTHER; |
dc6f92b8 | 10436 | |
7a13e894 | 10437 | case ReparentNotify: |
19126e11 | 10438 | f = x_top_window_to_frame (dpyinfo, event.xreparent.window); |
7a13e894 RS |
10439 | if (f) |
10440 | { | |
10441 | int x, y; | |
7556890b | 10442 | f->output_data.x->parent_desc = event.xreparent.parent; |
7a13e894 | 10443 | x_real_positions (f, &x, &y); |
7556890b RS |
10444 | f->output_data.x->left_pos = x; |
10445 | f->output_data.x->top_pos = y; | |
f7d43438 | 10446 | goto OTHER; |
7a13e894 RS |
10447 | } |
10448 | break; | |
3bd330d4 | 10449 | |
7a13e894 | 10450 | case Expose: |
19126e11 | 10451 | f = x_window_to_frame (dpyinfo, event.xexpose.window); |
7a13e894 | 10452 | if (f) |
dc6f92b8 | 10453 | { |
d0fa3e56 EZ |
10454 | x_check_fullscreen (f); |
10455 | ||
7a13e894 RS |
10456 | if (f->async_visible == 0) |
10457 | { | |
10458 | f->async_visible = 1; | |
10459 | f->async_iconified = 0; | |
06c488fd | 10460 | f->output_data.x->has_been_visible = 1; |
7a13e894 RS |
10461 | SET_FRAME_GARBAGED (f); |
10462 | } | |
10463 | else | |
06a2c219 GM |
10464 | expose_frame (x_window_to_frame (dpyinfo, |
10465 | event.xexpose.window), | |
10466 | event.xexpose.x, event.xexpose.y, | |
10467 | event.xexpose.width, event.xexpose.height); | |
dc6f92b8 JB |
10468 | } |
10469 | else | |
7a13e894 | 10470 | { |
12949a7f EZ |
10471 | #ifndef USE_TOOLKIT_SCROLL_BARS |
10472 | struct scroll_bar *bar; | |
10473 | #endif | |
01f67d2c | 10474 | #if defined USE_LUCID |
c95fc5f1 GM |
10475 | /* Submenus of the Lucid menu bar aren't widgets |
10476 | themselves, so there's no way to dispatch events | |
10477 | to them. Recognize this case separately. */ | |
10478 | { | |
10479 | Widget widget | |
10480 | = x_window_to_menu_bar (event.xexpose.window); | |
10481 | if (widget) | |
10482 | xlwmenu_redisplay (widget); | |
10483 | } | |
01f67d2c PJ |
10484 | #endif /* USE_LUCID */ |
10485 | ||
06a2c219 GM |
10486 | #ifdef USE_TOOLKIT_SCROLL_BARS |
10487 | /* Dispatch event to the widget. */ | |
10488 | goto OTHER; | |
10489 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
12949a7f | 10490 | bar = x_window_to_scroll_bar (event.xexpose.window); |
58769bee | 10491 | |
7a13e894 RS |
10492 | if (bar) |
10493 | x_scroll_bar_expose (bar, &event); | |
3afe33e7 | 10494 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
10495 | else |
10496 | goto OTHER; | |
3afe33e7 | 10497 | #endif /* USE_X_TOOLKIT */ |
06a2c219 | 10498 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
7a13e894 RS |
10499 | } |
10500 | break; | |
dc6f92b8 | 10501 | |
7a13e894 | 10502 | case GraphicsExpose: /* This occurs when an XCopyArea's |
d624284c PJ |
10503 | source area was obscured or not |
10504 | available. */ | |
19126e11 | 10505 | f = x_window_to_frame (dpyinfo, event.xgraphicsexpose.drawable); |
7a13e894 RS |
10506 | if (f) |
10507 | { | |
06a2c219 GM |
10508 | expose_frame (f, |
10509 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
10510 | event.xgraphicsexpose.width, | |
10511 | event.xgraphicsexpose.height); | |
7a13e894 | 10512 | } |
3afe33e7 | 10513 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
10514 | else |
10515 | goto OTHER; | |
3afe33e7 | 10516 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 10517 | break; |
dc6f92b8 | 10518 | |
7a13e894 | 10519 | case NoExpose: /* This occurs when an XCopyArea's |
06a2c219 | 10520 | source area was completely |
d624284c | 10521 | available. */ |
7a13e894 | 10522 | break; |
dc6f92b8 | 10523 | |
7a13e894 | 10524 | case UnmapNotify: |
06a2c219 GM |
10525 | /* Redo the mouse-highlight after the tooltip has gone. */ |
10526 | if (event.xmap.window == tip_window) | |
10527 | { | |
10528 | tip_window = 0; | |
10529 | redo_mouse_highlight (); | |
10530 | } | |
7d0393cf | 10531 | |
91ea2a7a | 10532 | f = x_top_window_to_frame (dpyinfo, event.xunmap.window); |
7a13e894 | 10533 | if (f) /* F may no longer exist if |
d624284c | 10534 | the frame was deleted. */ |
7a13e894 RS |
10535 | { |
10536 | /* While a frame is unmapped, display generation is | |
10537 | disabled; you don't want to spend time updating a | |
10538 | display that won't ever be seen. */ | |
10539 | f->async_visible = 0; | |
10540 | /* We can't distinguish, from the event, whether the window | |
10541 | has become iconified or invisible. So assume, if it | |
10542 | was previously visible, than now it is iconified. | |
1aa6072f RS |
10543 | But x_make_frame_invisible clears both |
10544 | the visible flag and the iconified flag; | |
10545 | and that way, we know the window is not iconified now. */ | |
7a13e894 | 10546 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
1aa6072f RS |
10547 | { |
10548 | f->async_iconified = 1; | |
bddd097c | 10549 | |
3b8f9651 | 10550 | bufp->kind = ICONIFY_EVENT; |
1aa6072f | 10551 | XSETFRAME (bufp->frame_or_window, f); |
0f8aabe9 | 10552 | bufp->arg = Qnil; |
1aa6072f RS |
10553 | bufp++; |
10554 | count++; | |
10555 | numchars--; | |
10556 | } | |
7a13e894 | 10557 | } |
7a13e894 | 10558 | goto OTHER; |
dc6f92b8 | 10559 | |
7a13e894 | 10560 | case MapNotify: |
06a2c219 GM |
10561 | if (event.xmap.window == tip_window) |
10562 | /* The tooltip has been drawn already. Avoid | |
10563 | the SET_FRAME_GARBAGED below. */ | |
10564 | goto OTHER; | |
7d0393cf | 10565 | |
06a2c219 GM |
10566 | /* We use x_top_window_to_frame because map events can |
10567 | come for sub-windows and they don't mean that the | |
10568 | frame is visible. */ | |
19126e11 | 10569 | f = x_top_window_to_frame (dpyinfo, event.xmap.window); |
7a13e894 RS |
10570 | if (f) |
10571 | { | |
10572 | f->async_visible = 1; | |
10573 | f->async_iconified = 0; | |
06c488fd | 10574 | f->output_data.x->has_been_visible = 1; |
dc6f92b8 | 10575 | |
7a13e894 RS |
10576 | /* wait_reading_process_input will notice this and update |
10577 | the frame's display structures. */ | |
10578 | SET_FRAME_GARBAGED (f); | |
bddd097c | 10579 | |
d806e720 RS |
10580 | if (f->iconified) |
10581 | { | |
3b8f9651 | 10582 | bufp->kind = DEICONIFY_EVENT; |
d806e720 | 10583 | XSETFRAME (bufp->frame_or_window, f); |
0f8aabe9 | 10584 | bufp->arg = Qnil; |
d806e720 RS |
10585 | bufp++; |
10586 | count++; | |
10587 | numchars--; | |
10588 | } | |
e73ec6fa | 10589 | else if (! NILP (Vframe_list) |
8e713be6 | 10590 | && ! NILP (XCDR (Vframe_list))) |
78aa2ba5 KH |
10591 | /* Force a redisplay sooner or later |
10592 | to update the frame titles | |
10593 | in case this is the second frame. */ | |
10594 | record_asynch_buffer_change (); | |
7a13e894 | 10595 | } |
7a13e894 | 10596 | goto OTHER; |
dc6f92b8 | 10597 | |
7a13e894 | 10598 | case KeyPress: |
2a793c0c PJ |
10599 | |
10600 | /* Dispatch KeyPress events when in menu. */ | |
10601 | if (popup_activated_flag) | |
10602 | goto OTHER; | |
10603 | ||
19126e11 | 10604 | f = x_any_window_to_frame (dpyinfo, event.xkey.window); |
f451eb13 | 10605 | |
66301061 KS |
10606 | if (!dpyinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight)) |
10607 | { | |
10608 | dpyinfo->mouse_face_hidden = 1; | |
10609 | clear_mouse_face (dpyinfo); | |
10610 | } | |
10611 | ||
eccc05db | 10612 | #if defined USE_MOTIF && defined USE_TOOLKIT_SCROLL_BARS |
06a2c219 GM |
10613 | if (f == 0) |
10614 | { | |
2564ea1b GM |
10615 | /* Scroll bars consume key events, but we want |
10616 | the keys to go to the scroll bar's frame. */ | |
06a2c219 GM |
10617 | Widget widget = XtWindowToWidget (dpyinfo->display, |
10618 | event.xkey.window); | |
10619 | if (widget && XmIsScrollBar (widget)) | |
10620 | { | |
10621 | widget = XtParent (widget); | |
10622 | f = x_any_window_to_frame (dpyinfo, XtWindow (widget)); | |
10623 | } | |
10624 | } | |
eccc05db | 10625 | #endif /* USE_MOTIF and USE_TOOLKIT_SCROLL_BARS */ |
06a2c219 | 10626 | |
7a13e894 RS |
10627 | if (f != 0) |
10628 | { | |
10629 | KeySym keysym, orig_keysym; | |
379b5ac0 KH |
10630 | /* al%imercury@uunet.uu.net says that making this 81 |
10631 | instead of 80 fixed a bug whereby meta chars made | |
10632 | his Emacs hang. | |
10633 | ||
10634 | It seems that some version of XmbLookupString has | |
10635 | a bug of not returning XBufferOverflow in | |
10636 | status_return even if the input is too long to | |
10637 | fit in 81 bytes. So, we must prepare sufficient | |
10638 | bytes for copy_buffer. 513 bytes (256 chars for | |
6c4a22e6 | 10639 | two-byte character set) seems to be a fairly good |
379b5ac0 KH |
10640 | approximation. -- 2000.8.10 handa@etl.go.jp */ |
10641 | unsigned char copy_buffer[513]; | |
10642 | unsigned char *copy_bufptr = copy_buffer; | |
10643 | int copy_bufsiz = sizeof (copy_buffer); | |
7a13e894 | 10644 | int modifiers; |
c997eae5 | 10645 | Lisp_Object coding_system = Qlatin_1; |
64bb1782 | 10646 | |
7a13e894 RS |
10647 | event.xkey.state |
10648 | |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f), | |
10649 | extra_keyboard_modifiers); | |
10650 | modifiers = event.xkey.state; | |
3a2712f9 | 10651 | |
7a13e894 | 10652 | /* This will have to go some day... */ |
752a043f | 10653 | |
7a13e894 RS |
10654 | /* make_lispy_event turns chars into control chars. |
10655 | Don't do it here because XLookupString is too eager. */ | |
10656 | event.xkey.state &= ~ControlMask; | |
5d46f928 RS |
10657 | event.xkey.state &= ~(dpyinfo->meta_mod_mask |
10658 | | dpyinfo->super_mod_mask | |
10659 | | dpyinfo->hyper_mod_mask | |
10660 | | dpyinfo->alt_mod_mask); | |
10661 | ||
1cf4a0d1 RS |
10662 | /* In case Meta is ComposeCharacter, |
10663 | clear its status. According to Markus Ehrnsperger | |
10664 | Markus.Ehrnsperger@lehrstuhl-bross.physik.uni-muenchen.de | |
10665 | this enables ComposeCharacter to work whether or | |
10666 | not it is combined with Meta. */ | |
10667 | if (modifiers & dpyinfo->meta_mod_mask) | |
10668 | bzero (&compose_status, sizeof (compose_status)); | |
10669 | ||
6c183ba5 RS |
10670 | #ifdef HAVE_X_I18N |
10671 | if (FRAME_XIC (f)) | |
10672 | { | |
f5d11644 GM |
10673 | Status status_return; |
10674 | ||
c997eae5 | 10675 | coding_system = Vlocale_coding_system; |
6c183ba5 | 10676 | nbytes = XmbLookupString (FRAME_XIC (f), |
f5d11644 GM |
10677 | &event.xkey, copy_bufptr, |
10678 | copy_bufsiz, &keysym, | |
6c183ba5 | 10679 | &status_return); |
f5d11644 GM |
10680 | if (status_return == XBufferOverflow) |
10681 | { | |
10682 | copy_bufsiz = nbytes + 1; | |
10683 | copy_bufptr = (char *) alloca (copy_bufsiz); | |
10684 | nbytes = XmbLookupString (FRAME_XIC (f), | |
10685 | &event.xkey, copy_bufptr, | |
10686 | copy_bufsiz, &keysym, | |
10687 | &status_return); | |
10688 | } | |
96035dca SM |
10689 | /* Xutf8LookupString is a new but already deprecated interface. -stef */ |
10690 | #if 0 && defined X_HAVE_UTF8_STRING | |
c997eae5 SM |
10691 | else if (status_return == XLookupKeySym) |
10692 | { /* Try again but with utf-8. */ | |
10693 | coding_system = Qutf_8; | |
10694 | nbytes = Xutf8LookupString (FRAME_XIC (f), | |
10695 | &event.xkey, copy_bufptr, | |
10696 | copy_bufsiz, &keysym, | |
10697 | &status_return); | |
10698 | if (status_return == XBufferOverflow) | |
10699 | { | |
10700 | copy_bufsiz = nbytes + 1; | |
10701 | copy_bufptr = (char *) alloca (copy_bufsiz); | |
10702 | nbytes = Xutf8LookupString (FRAME_XIC (f), | |
10703 | &event.xkey, | |
10704 | copy_bufptr, | |
10705 | copy_bufsiz, &keysym, | |
10706 | &status_return); | |
10707 | } | |
10708 | } | |
10709 | #endif | |
f5d11644 | 10710 | |
1decb680 PE |
10711 | if (status_return == XLookupNone) |
10712 | break; | |
10713 | else if (status_return == XLookupChars) | |
fdd9d55e GM |
10714 | { |
10715 | keysym = NoSymbol; | |
10716 | modifiers = 0; | |
10717 | } | |
1decb680 PE |
10718 | else if (status_return != XLookupKeySym |
10719 | && status_return != XLookupBoth) | |
10720 | abort (); | |
6c183ba5 RS |
10721 | } |
10722 | else | |
379b5ac0 KH |
10723 | nbytes = XLookupString (&event.xkey, copy_bufptr, |
10724 | copy_bufsiz, &keysym, | |
10725 | &compose_status); | |
6c183ba5 | 10726 | #else |
379b5ac0 KH |
10727 | nbytes = XLookupString (&event.xkey, copy_bufptr, |
10728 | copy_bufsiz, &keysym, | |
10729 | &compose_status); | |
6c183ba5 | 10730 | #endif |
dc6f92b8 | 10731 | |
7a13e894 | 10732 | orig_keysym = keysym; |
55123275 | 10733 | |
7a13e894 RS |
10734 | if (numchars > 1) |
10735 | { | |
10736 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) | |
10737 | || keysym == XK_Delete | |
1097aea0 | 10738 | #ifdef XK_ISO_Left_Tab |
441affdb | 10739 | || (keysym >= XK_ISO_Left_Tab && keysym <= XK_ISO_Enter) |
1097aea0 | 10740 | #endif |
852bff8f | 10741 | || (keysym >= XK_Kanji && keysym <= XK_Eisu_toggle) |
7a13e894 RS |
10742 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ |
10743 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 10744 | #ifdef HPUX |
7a13e894 RS |
10745 | /* This recognizes the "extended function keys". |
10746 | It seems there's no cleaner way. | |
10747 | Test IsModifierKey to avoid handling mode_switch | |
10748 | incorrectly. */ | |
10749 | || ((unsigned) (keysym) >= XK_Select | |
10750 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
10751 | #endif |
10752 | #ifdef XK_dead_circumflex | |
7a13e894 | 10753 | || orig_keysym == XK_dead_circumflex |
69388238 RS |
10754 | #endif |
10755 | #ifdef XK_dead_grave | |
7a13e894 | 10756 | || orig_keysym == XK_dead_grave |
69388238 RS |
10757 | #endif |
10758 | #ifdef XK_dead_tilde | |
7a13e894 | 10759 | || orig_keysym == XK_dead_tilde |
69388238 RS |
10760 | #endif |
10761 | #ifdef XK_dead_diaeresis | |
7a13e894 | 10762 | || orig_keysym == XK_dead_diaeresis |
69388238 RS |
10763 | #endif |
10764 | #ifdef XK_dead_macron | |
7a13e894 | 10765 | || orig_keysym == XK_dead_macron |
69388238 RS |
10766 | #endif |
10767 | #ifdef XK_dead_degree | |
7a13e894 | 10768 | || orig_keysym == XK_dead_degree |
69388238 RS |
10769 | #endif |
10770 | #ifdef XK_dead_acute | |
7a13e894 | 10771 | || orig_keysym == XK_dead_acute |
69388238 RS |
10772 | #endif |
10773 | #ifdef XK_dead_cedilla | |
7a13e894 | 10774 | || orig_keysym == XK_dead_cedilla |
69388238 RS |
10775 | #endif |
10776 | #ifdef XK_dead_breve | |
7a13e894 | 10777 | || orig_keysym == XK_dead_breve |
69388238 RS |
10778 | #endif |
10779 | #ifdef XK_dead_ogonek | |
7a13e894 | 10780 | || orig_keysym == XK_dead_ogonek |
69388238 RS |
10781 | #endif |
10782 | #ifdef XK_dead_caron | |
7a13e894 | 10783 | || orig_keysym == XK_dead_caron |
69388238 RS |
10784 | #endif |
10785 | #ifdef XK_dead_doubleacute | |
7a13e894 | 10786 | || orig_keysym == XK_dead_doubleacute |
69388238 RS |
10787 | #endif |
10788 | #ifdef XK_dead_abovedot | |
7a13e894 | 10789 | || orig_keysym == XK_dead_abovedot |
c34790e0 | 10790 | #endif |
7a13e894 RS |
10791 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
10792 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
10793 | /* Any "vendor-specific" key is ok. */ | |
f0e299de GM |
10794 | || (orig_keysym & (1 << 28)) |
10795 | || (keysym != NoSymbol && nbytes == 0)) | |
7a13e894 | 10796 | && ! (IsModifierKey (orig_keysym) |
7719aa06 RS |
10797 | #ifndef HAVE_X11R5 |
10798 | #ifdef XK_Mode_switch | |
7a13e894 | 10799 | || ((unsigned)(orig_keysym) == XK_Mode_switch) |
7719aa06 RS |
10800 | #endif |
10801 | #ifdef XK_Num_Lock | |
7a13e894 | 10802 | || ((unsigned)(orig_keysym) == XK_Num_Lock) |
7719aa06 RS |
10803 | #endif |
10804 | #endif /* not HAVE_X11R5 */ | |
7ef18d79 EZ |
10805 | /* The symbols from XK_ISO_Lock to |
10806 | XK_ISO_Last_Group_Lock doesn't have real | |
10807 | modifiers but should be treated similarly | |
10808 | to Mode_switch by Emacs. */ | |
10809 | #if defined XK_ISO_Lock && defined XK_ISO_Last_Group_Lock | |
10810 | || ((unsigned)(orig_keysym) >= XK_ISO_Lock | |
10811 | && (unsigned)(orig_keysym) <= XK_ISO_Last_Group_Lock) | |
10812 | #endif | |
7a13e894 | 10813 | )) |
dc6f92b8 | 10814 | { |
10e6549c RS |
10815 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
10816 | temp_index = 0; | |
7a13e894 | 10817 | temp_buffer[temp_index++] = keysym; |
3b8f9651 | 10818 | bufp->kind = NON_ASCII_KEYSTROKE_EVENT; |
7a13e894 | 10819 | bufp->code = keysym; |
e0c1aef2 | 10820 | XSETFRAME (bufp->frame_or_window, f); |
0f8aabe9 | 10821 | bufp->arg = Qnil; |
334208b7 RS |
10822 | bufp->modifiers |
10823 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
10824 | modifiers); | |
1113d9db | 10825 | bufp->timestamp = event.xkey.time; |
dc6f92b8 | 10826 | bufp++; |
7a13e894 RS |
10827 | count++; |
10828 | numchars--; | |
dc6f92b8 | 10829 | } |
7a13e894 RS |
10830 | else if (numchars > nbytes) |
10831 | { | |
10832 | register int i; | |
379b5ac0 | 10833 | register int c; |
379b5ac0 | 10834 | int nchars, len; |
7a13e894 | 10835 | |
c997eae5 SM |
10836 | /* The input should be decoded with `coding_system' |
10837 | which depends on which X*LookupString function | |
10838 | we used just above and the locale. */ | |
10839 | setup_coding_system (coding_system, &coding); | |
10840 | coding.src_multibyte = 0; | |
10841 | coding.dst_multibyte = 1; | |
10842 | /* The input is converted to events, thus we can't | |
10843 | handle composition. Anyway, there's no XIM that | |
10844 | gives us composition information. */ | |
10845 | coding.composing = COMPOSITION_DISABLED; | |
10846 | ||
7a13e894 RS |
10847 | for (i = 0; i < nbytes; i++) |
10848 | { | |
379b5ac0 KH |
10849 | if (temp_index == (sizeof temp_buffer |
10850 | / sizeof (short))) | |
7a13e894 | 10851 | temp_index = 0; |
379b5ac0 KH |
10852 | temp_buffer[temp_index++] = copy_bufptr[i]; |
10853 | } | |
10854 | ||
c997eae5 SM |
10855 | { |
10856 | /* Decode the input data. */ | |
10857 | int require; | |
10858 | unsigned char *p; | |
10859 | ||
10860 | require = decoding_buffer_size (&coding, nbytes); | |
10861 | p = (unsigned char *) alloca (require); | |
10862 | coding.mode |= CODING_MODE_LAST_BLOCK; | |
d337aad5 KH |
10863 | /* We explicitely disable composition |
10864 | handling because key data should | |
10865 | not contain any composition | |
10866 | sequence. */ | |
10867 | coding.composing = COMPOSITION_DISABLED; | |
c997eae5 SM |
10868 | decode_coding (&coding, copy_bufptr, p, |
10869 | nbytes, require); | |
10870 | nbytes = coding.produced; | |
10871 | nchars = coding.produced_char; | |
10872 | copy_bufptr = p; | |
10873 | } | |
379b5ac0 KH |
10874 | |
10875 | /* Convert the input data to a sequence of | |
10876 | character events. */ | |
10877 | for (i = 0; i < nbytes; i += len) | |
10878 | { | |
fee2aedc GM |
10879 | if (nchars == nbytes) |
10880 | c = copy_bufptr[i], len = 1; | |
10881 | else | |
10882 | c = STRING_CHAR_AND_LENGTH (copy_bufptr + i, | |
10883 | nbytes - i, len); | |
7d0393cf | 10884 | |
379b5ac0 | 10885 | bufp->kind = (SINGLE_BYTE_CHAR_P (c) |
3b8f9651 PJ |
10886 | ? ASCII_KEYSTROKE_EVENT |
10887 | : MULTIBYTE_CHAR_KEYSTROKE_EVENT); | |
379b5ac0 | 10888 | bufp->code = c; |
7a13e894 | 10889 | XSETFRAME (bufp->frame_or_window, f); |
0f8aabe9 | 10890 | bufp->arg = Qnil; |
7a13e894 RS |
10891 | bufp->modifiers |
10892 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
10893 | modifiers); | |
10894 | bufp->timestamp = event.xkey.time; | |
10895 | bufp++; | |
10896 | } | |
10897 | ||
379b5ac0 KH |
10898 | count += nchars; |
10899 | numchars -= nchars; | |
1decb680 PE |
10900 | |
10901 | if (keysym == NoSymbol) | |
10902 | break; | |
7a13e894 RS |
10903 | } |
10904 | else | |
10905 | abort (); | |
dc6f92b8 | 10906 | } |
10e6549c RS |
10907 | else |
10908 | abort (); | |
dc6f92b8 | 10909 | } |
59ddecde GM |
10910 | #ifdef HAVE_X_I18N |
10911 | /* Don't dispatch this event since XtDispatchEvent calls | |
10912 | XFilterEvent, and two calls in a row may freeze the | |
10913 | client. */ | |
10914 | break; | |
10915 | #else | |
717ca130 | 10916 | goto OTHER; |
59ddecde | 10917 | #endif |
f451eb13 | 10918 | |
f5d11644 | 10919 | case KeyRelease: |
59ddecde GM |
10920 | #ifdef HAVE_X_I18N |
10921 | /* Don't dispatch this event since XtDispatchEvent calls | |
10922 | XFilterEvent, and two calls in a row may freeze the | |
10923 | client. */ | |
10924 | break; | |
10925 | #else | |
f5d11644 | 10926 | goto OTHER; |
59ddecde | 10927 | #endif |
f5d11644 | 10928 | |
7a13e894 | 10929 | case EnterNotify: |
06a2c219 | 10930 | { |
cab34f50 JD |
10931 | int n; |
10932 | ||
10933 | n = x_detect_focus_change (dpyinfo, &event, bufp, numchars); | |
10934 | if (n > 0) | |
10935 | { | |
10936 | bufp += n, count += n, numchars -= n; | |
10937 | } | |
7d0393cf | 10938 | |
06a2c219 GM |
10939 | f = x_any_window_to_frame (dpyinfo, event.xcrossing.window); |
10940 | ||
2c850e26 | 10941 | #if 0 |
582c60f8 | 10942 | if (event.xcrossing.focus) |
06a2c219 GM |
10943 | { |
10944 | /* Avoid nasty pop/raise loops. */ | |
10945 | if (f && (!(f->auto_raise) | |
10946 | || !(f->auto_lower) | |
10947 | || (event.xcrossing.time - enter_timestamp) > 500)) | |
10948 | { | |
10949 | x_new_focus_frame (dpyinfo, f); | |
10950 | enter_timestamp = event.xcrossing.time; | |
10951 | } | |
10952 | } | |
10953 | else if (f == dpyinfo->x_focus_frame) | |
10954 | x_new_focus_frame (dpyinfo, 0); | |
2c850e26 RS |
10955 | #endif |
10956 | ||
06a2c219 GM |
10957 | /* EnterNotify counts as mouse movement, |
10958 | so update things that depend on mouse position. */ | |
2533c408 | 10959 | if (f && !f->output_data.x->hourglass_p) |
06a2c219 GM |
10960 | note_mouse_movement (f, &event.xmotion); |
10961 | goto OTHER; | |
10962 | } | |
dc6f92b8 | 10963 | |
7a13e894 | 10964 | case FocusIn: |
fd42232c | 10965 | { |
cab34f50 | 10966 | int n; |
eb72635f | 10967 | |
cab34f50 JD |
10968 | n = x_detect_focus_change (dpyinfo, &event, bufp, numchars); |
10969 | if (n > 0) | |
fd42232c JD |
10970 | { |
10971 | bufp += n, count += n, numchars -= n; | |
10972 | } | |
10973 | } | |
f9e24cb9 | 10974 | |
7a13e894 | 10975 | goto OTHER; |
10c5e63d | 10976 | |
7a13e894 | 10977 | case LeaveNotify: |
cab34f50 JD |
10978 | { |
10979 | int n; | |
10980 | ||
10981 | n = x_detect_focus_change (dpyinfo, &event, bufp, numchars); | |
10982 | if (n > 0) | |
10983 | { | |
10984 | bufp += n, count += n, numchars -= n; | |
10985 | } | |
10986 | } | |
10987 | ||
19126e11 | 10988 | f = x_top_window_to_frame (dpyinfo, event.xcrossing.window); |
7a13e894 | 10989 | if (f) |
10c5e63d | 10990 | { |
7a13e894 | 10991 | if (f == dpyinfo->mouse_face_mouse_frame) |
06a2c219 GM |
10992 | { |
10993 | /* If we move outside the frame, then we're | |
10994 | certainly no longer on any text in the frame. */ | |
10995 | clear_mouse_face (dpyinfo); | |
10996 | dpyinfo->mouse_face_mouse_frame = 0; | |
10997 | } | |
10998 | ||
10999 | /* Generate a nil HELP_EVENT to cancel a help-echo. | |
11000 | Do it only if there's something to cancel. | |
11001 | Otherwise, the startup message is cleared when | |
11002 | the mouse leaves the frame. */ | |
11003 | if (any_help_event_p) | |
11004 | { | |
be010514 GM |
11005 | Lisp_Object frame; |
11006 | int n; | |
11007 | ||
06a2c219 | 11008 | XSETFRAME (frame, f); |
82c5d67a | 11009 | help_echo = Qnil; |
5ab2570d GM |
11010 | n = gen_help_event (bufp, numchars, |
11011 | Qnil, frame, Qnil, Qnil, 0); | |
be010514 | 11012 | bufp += n, count += n, numchars -= n; |
06a2c219 | 11013 | } |
7a13e894 | 11014 | |
10c5e63d | 11015 | } |
7a13e894 | 11016 | goto OTHER; |
dc6f92b8 | 11017 | |
7a13e894 | 11018 | case FocusOut: |
cab34f50 JD |
11019 | { |
11020 | int n; | |
11021 | ||
11022 | n = x_detect_focus_change (dpyinfo, &event, bufp, numchars); | |
11023 | if (n > 0) | |
11024 | { | |
11025 | bufp += n, count += n, numchars -= n; | |
11026 | } | |
11027 | } | |
6c183ba5 | 11028 | |
7a13e894 | 11029 | goto OTHER; |
dc6f92b8 | 11030 | |
7a13e894 | 11031 | case MotionNotify: |
dc6f92b8 | 11032 | { |
06a2c219 | 11033 | previous_help_echo = help_echo; |
7cea38bc | 11034 | help_echo = help_echo_object = help_echo_window = Qnil; |
be010514 | 11035 | help_echo_pos = -1; |
7d0393cf | 11036 | |
7a13e894 RS |
11037 | if (dpyinfo->grabbed && last_mouse_frame |
11038 | && FRAME_LIVE_P (last_mouse_frame)) | |
11039 | f = last_mouse_frame; | |
11040 | else | |
19126e11 | 11041 | f = x_window_to_frame (dpyinfo, event.xmotion.window); |
06a2c219 | 11042 | |
66301061 KS |
11043 | if (dpyinfo->mouse_face_hidden) |
11044 | { | |
11045 | dpyinfo->mouse_face_hidden = 0; | |
11046 | clear_mouse_face (dpyinfo); | |
11047 | } | |
11048 | ||
7a13e894 | 11049 | if (f) |
5bc62483 PJ |
11050 | { |
11051 | ||
11052 | /* Generate SELECT_WINDOW_EVENTs when needed. */ | |
ee8ceff8 | 11053 | if (mouse_autoselect_window) |
5bc62483 PJ |
11054 | { |
11055 | Lisp_Object window; | |
11056 | int area; | |
11057 | ||
11058 | window = window_from_coordinates (f, | |
0fc8f792 | 11059 | event.xmotion.x, event.xmotion.y, |
5bc62483 PJ |
11060 | &area, 0); |
11061 | ||
11062 | /* Window will be selected only when it is not selected now and | |
11063 | last mouse movement event was not in it. Minibuffer window | |
11064 | will be selected iff it is active. */ | |
ce1295bd PJ |
11065 | if (WINDOWP(window) |
11066 | && !EQ (window, last_window) | |
5bc62483 PJ |
11067 | && !EQ (window, selected_window) |
11068 | && numchars > 0) | |
11069 | { | |
11070 | bufp->kind = SELECT_WINDOW_EVENT; | |
11071 | bufp->frame_or_window = window; | |
11072 | bufp->arg = Qnil; | |
11073 | ++bufp, ++count, --numchars; | |
11074 | } | |
11075 | ||
11076 | last_window=window; | |
11077 | } | |
11078 | note_mouse_movement (f, &event.xmotion); | |
11079 | } | |
7a13e894 RS |
11080 | else |
11081 | { | |
e88b3c50 | 11082 | #ifndef USE_TOOLKIT_SCROLL_BARS |
7a13e894 RS |
11083 | struct scroll_bar *bar |
11084 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 | 11085 | |
7a13e894 RS |
11086 | if (bar) |
11087 | x_scroll_bar_note_movement (bar, &event); | |
e88b3c50 | 11088 | #endif /* USE_TOOLKIT_SCROLL_BARS */ |
b8009dd1 | 11089 | |
06a2c219 GM |
11090 | /* If we move outside the frame, then we're |
11091 | certainly no longer on any text in the frame. */ | |
7a13e894 RS |
11092 | clear_mouse_face (dpyinfo); |
11093 | } | |
06a2c219 GM |
11094 | |
11095 | /* If the contents of the global variable help_echo | |
11096 | has changed, generate a HELP_EVENT. */ | |
b7e80413 SM |
11097 | if (!NILP (help_echo) |
11098 | || !NILP (previous_help_echo)) | |
06a2c219 GM |
11099 | { |
11100 | Lisp_Object frame; | |
be010514 | 11101 | int n; |
06a2c219 GM |
11102 | |
11103 | if (f) | |
11104 | XSETFRAME (frame, f); | |
11105 | else | |
11106 | frame = Qnil; | |
11107 | ||
11108 | any_help_event_p = 1; | |
5ab2570d | 11109 | n = gen_help_event (bufp, numchars, help_echo, frame, |
7cea38bc GM |
11110 | help_echo_window, help_echo_object, |
11111 | help_echo_pos); | |
be010514 | 11112 | bufp += n, count += n, numchars -= n; |
06a2c219 | 11113 | } |
7d0393cf | 11114 | |
06a2c219 | 11115 | goto OTHER; |
dc6f92b8 | 11116 | } |
dc6f92b8 | 11117 | |
7a13e894 | 11118 | case ConfigureNotify: |
9829ddba RS |
11119 | f = x_top_window_to_frame (dpyinfo, event.xconfigure.window); |
11120 | if (f) | |
af395ec1 | 11121 | { |
7a4bce14 | 11122 | #ifndef USE_X_TOOLKIT |
d0fa3e56 EZ |
11123 | /* If there is a pending resize for fullscreen, don't |
11124 | do this one, the right one will come later. | |
11125 | The toolkit version doesn't seem to need this, but we | |
7a4bce14 | 11126 | need to reset it below. */ |
d0fa3e56 EZ |
11127 | int dont_resize = |
11128 | ((f->output_data.x->want_fullscreen & FULLSCREEN_WAIT) | |
11129 | && FRAME_NEW_WIDTH (f) != 0); | |
bf1b7b30 KH |
11130 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); |
11131 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
d0fa3e56 EZ |
11132 | if (dont_resize) |
11133 | goto OTHER; | |
7d0393cf | 11134 | |
2d7fc7e8 RS |
11135 | /* In the toolkit version, change_frame_size |
11136 | is called by the code that handles resizing | |
11137 | of the EmacsFrame widget. */ | |
7a13e894 | 11138 | |
7a13e894 RS |
11139 | /* Even if the number of character rows and columns has |
11140 | not changed, the font size may have changed, so we need | |
11141 | to check the pixel dimensions as well. */ | |
11142 | if (columns != f->width | |
11143 | || rows != f->height | |
7556890b RS |
11144 | || event.xconfigure.width != f->output_data.x->pixel_width |
11145 | || event.xconfigure.height != f->output_data.x->pixel_height) | |
7a13e894 | 11146 | { |
7d1e984f | 11147 | change_frame_size (f, rows, columns, 0, 1, 0); |
7a13e894 | 11148 | SET_FRAME_GARBAGED (f); |
e687d06e | 11149 | cancel_mouse_face (f); |
7a13e894 | 11150 | } |
2d7fc7e8 | 11151 | #endif |
af395ec1 | 11152 | |
7556890b RS |
11153 | f->output_data.x->pixel_width = event.xconfigure.width; |
11154 | f->output_data.x->pixel_height = event.xconfigure.height; | |
7a13e894 RS |
11155 | |
11156 | /* What we have now is the position of Emacs's own window. | |
11157 | Convert that to the position of the window manager window. */ | |
dcb07ae9 RS |
11158 | x_real_positions (f, &f->output_data.x->left_pos, |
11159 | &f->output_data.x->top_pos); | |
11160 | ||
d0fa3e56 EZ |
11161 | x_check_fullscreen_move(f); |
11162 | if (f->output_data.x->want_fullscreen & FULLSCREEN_WAIT) | |
11163 | f->output_data.x->want_fullscreen &= | |
11164 | ~(FULLSCREEN_WAIT|FULLSCREEN_BOTH); | |
f5d11644 GM |
11165 | #ifdef HAVE_X_I18N |
11166 | if (FRAME_XIC (f) && (FRAME_XIC_STYLE (f) & XIMStatusArea)) | |
11167 | xic_set_statusarea (f); | |
11168 | #endif | |
11169 | ||
dcb07ae9 RS |
11170 | if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
11171 | { | |
11172 | /* Since the WM decorations come below top_pos now, | |
11173 | we must put them below top_pos in the future. */ | |
11174 | f->output_data.x->win_gravity = NorthWestGravity; | |
11175 | x_wm_set_size_hint (f, (long) 0, 0); | |
11176 | } | |
7a13e894 | 11177 | } |
2d7fc7e8 | 11178 | goto OTHER; |
dc6f92b8 | 11179 | |
7a13e894 RS |
11180 | case ButtonPress: |
11181 | case ButtonRelease: | |
11182 | { | |
11183 | /* If we decide we want to generate an event to be seen | |
11184 | by the rest of Emacs, we put it here. */ | |
11185 | struct input_event emacs_event; | |
9ea173e8 | 11186 | int tool_bar_p = 0; |
7d0393cf | 11187 | |
3b8f9651 | 11188 | emacs_event.kind = NO_EVENT; |
7a13e894 | 11189 | bzero (&compose_status, sizeof (compose_status)); |
9b07615b | 11190 | |
06a2c219 GM |
11191 | if (dpyinfo->grabbed |
11192 | && last_mouse_frame | |
9f67f20b RS |
11193 | && FRAME_LIVE_P (last_mouse_frame)) |
11194 | f = last_mouse_frame; | |
11195 | else | |
2224b905 | 11196 | f = x_window_to_frame (dpyinfo, event.xbutton.window); |
9f67f20b | 11197 | |
06a2c219 GM |
11198 | if (f) |
11199 | { | |
9ea173e8 GM |
11200 | /* Is this in the tool-bar? */ |
11201 | if (WINDOWP (f->tool_bar_window) | |
11202 | && XFASTINT (XWINDOW (f->tool_bar_window)->height)) | |
06a2c219 GM |
11203 | { |
11204 | Lisp_Object window; | |
11205 | int p, x, y; | |
11206 | ||
11207 | x = event.xbutton.x; | |
11208 | y = event.xbutton.y; | |
11209 | ||
11210 | /* Set x and y. */ | |
11211 | window = window_from_coordinates (f, x, y, &p, 1); | |
9ea173e8 | 11212 | if (EQ (window, f->tool_bar_window)) |
06a2c219 | 11213 | { |
9ea173e8 GM |
11214 | x_handle_tool_bar_click (f, &event.xbutton); |
11215 | tool_bar_p = 1; | |
06a2c219 GM |
11216 | } |
11217 | } | |
11218 | ||
9ea173e8 | 11219 | if (!tool_bar_p) |
06a2c219 GM |
11220 | if (!dpyinfo->x_focus_frame |
11221 | || f == dpyinfo->x_focus_frame) | |
11222 | construct_mouse_click (&emacs_event, &event, f); | |
7a13e894 RS |
11223 | } |
11224 | else | |
11225 | { | |
06a2c219 | 11226 | #ifndef USE_TOOLKIT_SCROLL_BARS |
7a13e894 RS |
11227 | struct scroll_bar *bar |
11228 | = x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 | 11229 | |
7a13e894 RS |
11230 | if (bar) |
11231 | x_scroll_bar_handle_click (bar, &event, &emacs_event); | |
06a2c219 | 11232 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
7a13e894 RS |
11233 | } |
11234 | ||
11235 | if (event.type == ButtonPress) | |
11236 | { | |
11237 | dpyinfo->grabbed |= (1 << event.xbutton.button); | |
11238 | last_mouse_frame = f; | |
edad46f6 KH |
11239 | /* Ignore any mouse motion that happened |
11240 | before this event; any subsequent mouse-movement | |
11241 | Emacs events should reflect only motion after | |
11242 | the ButtonPress. */ | |
a00e91cd KH |
11243 | if (f != 0) |
11244 | f->mouse_moved = 0; | |
7d0393cf | 11245 | |
9ea173e8 GM |
11246 | if (!tool_bar_p) |
11247 | last_tool_bar_item = -1; | |
7a13e894 | 11248 | } |
3afe33e7 RS |
11249 | else |
11250 | { | |
7a13e894 | 11251 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); |
3afe33e7 | 11252 | } |
23faf38f | 11253 | |
3b8f9651 | 11254 | if (numchars >= 1 && emacs_event.kind != NO_EVENT) |
7a13e894 RS |
11255 | { |
11256 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
11257 | bufp++; | |
11258 | count++; | |
11259 | numchars--; | |
11260 | } | |
3afe33e7 RS |
11261 | |
11262 | #ifdef USE_X_TOOLKIT | |
2224b905 RS |
11263 | f = x_menubar_window_to_frame (dpyinfo, event.xbutton.window); |
11264 | /* For a down-event in the menu bar, | |
11265 | don't pass it to Xt right now. | |
11266 | Instead, save it away | |
11267 | and we will pass it to Xt from kbd_buffer_get_event. | |
11268 | That way, we can run some Lisp code first. */ | |
91375f8f RS |
11269 | if (f && event.type == ButtonPress |
11270 | /* Verify the event is really within the menu bar | |
11271 | and not just sent to it due to grabbing. */ | |
11272 | && event.xbutton.x >= 0 | |
11273 | && event.xbutton.x < f->output_data.x->pixel_width | |
11274 | && event.xbutton.y >= 0 | |
11275 | && event.xbutton.y < f->output_data.x->menubar_height | |
11276 | && event.xbutton.same_screen) | |
2224b905 | 11277 | { |
8805890a | 11278 | SET_SAVED_BUTTON_EVENT; |
2237cac9 RS |
11279 | XSETFRAME (last_mouse_press_frame, f); |
11280 | } | |
11281 | else if (event.type == ButtonPress) | |
11282 | { | |
11283 | last_mouse_press_frame = Qnil; | |
30e671c3 | 11284 | goto OTHER; |
ce89ef46 | 11285 | } |
06a2c219 | 11286 | |
2237cac9 RS |
11287 | #ifdef USE_MOTIF /* This should do not harm for Lucid, |
11288 | but I am trying to be cautious. */ | |
ce89ef46 RS |
11289 | else if (event.type == ButtonRelease) |
11290 | { | |
2237cac9 | 11291 | if (!NILP (last_mouse_press_frame)) |
f10ded1c | 11292 | { |
2237cac9 RS |
11293 | f = XFRAME (last_mouse_press_frame); |
11294 | if (f->output_data.x) | |
06a2c219 | 11295 | SET_SAVED_BUTTON_EVENT; |
f10ded1c | 11296 | } |
06a2c219 | 11297 | else |
30e671c3 | 11298 | goto OTHER; |
2224b905 | 11299 | } |
2237cac9 | 11300 | #endif /* USE_MOTIF */ |
2224b905 RS |
11301 | else |
11302 | goto OTHER; | |
3afe33e7 | 11303 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
11304 | } |
11305 | break; | |
dc6f92b8 | 11306 | |
7a13e894 | 11307 | case CirculateNotify: |
06a2c219 | 11308 | goto OTHER; |
7d0393cf | 11309 | |
7a13e894 | 11310 | case CirculateRequest: |
06a2c219 GM |
11311 | goto OTHER; |
11312 | ||
11313 | case VisibilityNotify: | |
11314 | goto OTHER; | |
dc6f92b8 | 11315 | |
7a13e894 RS |
11316 | case MappingNotify: |
11317 | /* Someone has changed the keyboard mapping - update the | |
11318 | local cache. */ | |
11319 | switch (event.xmapping.request) | |
11320 | { | |
11321 | case MappingModifier: | |
11322 | x_find_modifier_meanings (dpyinfo); | |
11323 | /* This is meant to fall through. */ | |
11324 | case MappingKeyboard: | |
11325 | XRefreshKeyboardMapping (&event.xmapping); | |
11326 | } | |
7a13e894 | 11327 | goto OTHER; |
dc6f92b8 | 11328 | |
7a13e894 | 11329 | default: |
7a13e894 | 11330 | OTHER: |
717ca130 | 11331 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
11332 | BLOCK_INPUT; |
11333 | XtDispatchEvent (&event); | |
11334 | UNBLOCK_INPUT; | |
3afe33e7 | 11335 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
11336 | break; |
11337 | } | |
dc6f92b8 JB |
11338 | } |
11339 | } | |
11340 | ||
06a2c219 GM |
11341 | out:; |
11342 | ||
9a5196d0 RS |
11343 | /* On some systems, an X bug causes Emacs to get no more events |
11344 | when the window is destroyed. Detect that. (1994.) */ | |
58769bee | 11345 | if (! event_found) |
ef2a22d0 | 11346 | { |
ef2a22d0 RS |
11347 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. |
11348 | One XNOOP in 100 loops will make Emacs terminate. | |
11349 | B. Bretthauer, 1994 */ | |
11350 | x_noop_count++; | |
58769bee | 11351 | if (x_noop_count >= 100) |
ef2a22d0 RS |
11352 | { |
11353 | x_noop_count=0; | |
2224b905 RS |
11354 | |
11355 | if (next_noop_dpyinfo == 0) | |
11356 | next_noop_dpyinfo = x_display_list; | |
11357 | ||
11358 | XNoOp (next_noop_dpyinfo->display); | |
11359 | ||
11360 | /* Each time we get here, cycle through the displays now open. */ | |
11361 | next_noop_dpyinfo = next_noop_dpyinfo->next; | |
ef2a22d0 RS |
11362 | } |
11363 | } | |
502add23 | 11364 | |
06a2c219 | 11365 | /* If the focus was just given to an auto-raising frame, |
0134a210 | 11366 | raise it now. */ |
7a13e894 | 11367 | /* ??? This ought to be able to handle more than one such frame. */ |
0134a210 RS |
11368 | if (pending_autoraise_frame) |
11369 | { | |
11370 | x_raise_frame (pending_autoraise_frame); | |
11371 | pending_autoraise_frame = 0; | |
11372 | } | |
0134a210 | 11373 | |
dc6f92b8 | 11374 | UNBLOCK_INPUT; |
bde5503b | 11375 | --handling_signal; |
dc6f92b8 JB |
11376 | return count; |
11377 | } | |
06a2c219 GM |
11378 | |
11379 | ||
11380 | ||
dc6f92b8 | 11381 | \f |
06a2c219 GM |
11382 | /*********************************************************************** |
11383 | Text Cursor | |
11384 | ***********************************************************************/ | |
11385 | ||
60626bab GM |
11386 | /* Notice when the text cursor of window W has been completely |
11387 | overwritten by a drawing operation that outputs glyphs in AREA | |
11388 | starting at X0 and ending at X1 in the line starting at Y0 and | |
11389 | ending at Y1. X coordinates are area-relative. X1 < 0 means all | |
11390 | the rest of the line after X0 has been written. Y coordinates | |
11391 | are window-relative. */ | |
06a2c219 GM |
11392 | |
11393 | static void | |
60626bab | 11394 | notice_overwritten_cursor (w, area, x0, x1, y0, y1) |
06a2c219 | 11395 | struct window *w; |
60626bab GM |
11396 | enum glyph_row_area area; |
11397 | int x0, y0, x1, y1; | |
06a2c219 | 11398 | { |
b3738089 GM |
11399 | if (area == TEXT_AREA && w->phys_cursor_on_p) |
11400 | { | |
11401 | int cx0 = w->phys_cursor.x; | |
11402 | int cx1 = cx0 + w->phys_cursor_width; | |
11403 | int cy0 = w->phys_cursor.y; | |
11404 | int cy1 = cy0 + w->phys_cursor_height; | |
11405 | ||
11406 | if (x0 <= cx0 && (x1 < 0 || x1 >= cx1)) | |
11407 | { | |
11408 | /* The cursor image will be completely removed from the | |
11409 | screen if the output area intersects the cursor area in | |
11410 | y-direction. When we draw in [y0 y1[, and some part of | |
11411 | the cursor is at y < y0, that part must have been drawn | |
11412 | before. When scrolling, the cursor is erased before | |
11413 | actually scrolling, so we don't come here. When not | |
11414 | scrolling, the rows above the old cursor row must have | |
11415 | changed, and in this case these rows must have written | |
516074a1 GM |
11416 | over the cursor image. |
11417 | ||
11418 | Likewise if part of the cursor is below y1, with the | |
11419 | exception of the cursor being in the first blank row at | |
11420 | the buffer and window end because update_text_area | |
4398e673 GM |
11421 | doesn't draw that row. (Except when it does, but |
11422 | that's handled in update_text_area.) */ | |
7d0393cf | 11423 | |
f7c5994d | 11424 | if (((y0 >= cy0 && y0 < cy1) || (y1 > cy0 && y1 < cy1)) |
516074a1 | 11425 | && w->current_matrix->rows[w->phys_cursor.vpos].displays_text_p) |
b3738089 GM |
11426 | w->phys_cursor_on_p = 0; |
11427 | } | |
11428 | } | |
06a2c219 | 11429 | } |
f451eb13 JB |
11430 | |
11431 | ||
06a2c219 GM |
11432 | /* Set clipping for output in glyph row ROW. W is the window in which |
11433 | we operate. GC is the graphics context to set clipping in. | |
11434 | WHOLE_LINE_P non-zero means include the areas used for truncation | |
11435 | mark display and alike in the clipping rectangle. | |
11436 | ||
11437 | ROW may be a text row or, e.g., a mode line. Text rows must be | |
11438 | clipped to the interior of the window dedicated to text display, | |
11439 | mode lines must be clipped to the whole window. */ | |
dc6f92b8 JB |
11440 | |
11441 | static void | |
06a2c219 GM |
11442 | x_clip_to_row (w, row, gc, whole_line_p) |
11443 | struct window *w; | |
11444 | struct glyph_row *row; | |
11445 | GC gc; | |
11446 | int whole_line_p; | |
dc6f92b8 | 11447 | { |
06a2c219 GM |
11448 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
11449 | XRectangle clip_rect; | |
11450 | int window_x, window_y, window_width, window_height; | |
dc6f92b8 | 11451 | |
06a2c219 | 11452 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); |
5c1aae96 | 11453 | |
06a2c219 GM |
11454 | clip_rect.x = WINDOW_TO_FRAME_PIXEL_X (w, 0); |
11455 | clip_rect.y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
11456 | clip_rect.y = max (clip_rect.y, window_y); | |
11457 | clip_rect.width = window_width; | |
11458 | clip_rect.height = row->visible_height; | |
5c1aae96 | 11459 | |
06a2c219 GM |
11460 | /* If clipping to the whole line, including trunc marks, extend |
11461 | the rectangle to the left and increase its width. */ | |
11462 | if (whole_line_p) | |
11463 | { | |
3f332ef3 KS |
11464 | clip_rect.x -= FRAME_X_LEFT_FRINGE_WIDTH (f); |
11465 | clip_rect.width += FRAME_X_FRINGE_WIDTH (f); | |
06a2c219 | 11466 | } |
5c1aae96 | 11467 | |
06a2c219 | 11468 | XSetClipRectangles (FRAME_X_DISPLAY (f), gc, 0, 0, &clip_rect, 1, Unsorted); |
dc6f92b8 JB |
11469 | } |
11470 | ||
06a2c219 GM |
11471 | |
11472 | /* Draw a hollow box cursor on window W in glyph row ROW. */ | |
dc6f92b8 JB |
11473 | |
11474 | static void | |
06a2c219 GM |
11475 | x_draw_hollow_cursor (w, row) |
11476 | struct window *w; | |
11477 | struct glyph_row *row; | |
dc6f92b8 | 11478 | { |
06a2c219 GM |
11479 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
11480 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
11481 | Display *dpy = FRAME_X_DISPLAY (f); | |
11482 | int x, y, wd, h; | |
11483 | XGCValues xgcv; | |
11484 | struct glyph *cursor_glyph; | |
11485 | GC gc; | |
11486 | ||
11487 | /* Compute frame-relative coordinates from window-relative | |
11488 | coordinates. */ | |
11489 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); | |
11490 | y = (WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y) | |
11491 | + row->ascent - w->phys_cursor_ascent); | |
11492 | h = row->height - 1; | |
11493 | ||
11494 | /* Get the glyph the cursor is on. If we can't tell because | |
11495 | the current matrix is invalid or such, give up. */ | |
11496 | cursor_glyph = get_phys_cursor_glyph (w); | |
11497 | if (cursor_glyph == NULL) | |
dc6f92b8 JB |
11498 | return; |
11499 | ||
06a2c219 GM |
11500 | /* Compute the width of the rectangle to draw. If on a stretch |
11501 | glyph, and `x-stretch-block-cursor' is nil, don't draw a | |
11502 | rectangle as wide as the glyph, but use a canonical character | |
11503 | width instead. */ | |
11504 | wd = cursor_glyph->pixel_width - 1; | |
11505 | if (cursor_glyph->type == STRETCH_GLYPH | |
11506 | && !x_stretch_cursor_p) | |
11507 | wd = min (CANON_X_UNIT (f), wd); | |
b3738089 | 11508 | w->phys_cursor_width = wd; |
7d0393cf | 11509 | |
06a2c219 GM |
11510 | /* The foreground of cursor_gc is typically the same as the normal |
11511 | background color, which can cause the cursor box to be invisible. */ | |
11512 | xgcv.foreground = f->output_data.x->cursor_pixel; | |
11513 | if (dpyinfo->scratch_cursor_gc) | |
11514 | XChangeGC (dpy, dpyinfo->scratch_cursor_gc, GCForeground, &xgcv); | |
11515 | else | |
11516 | dpyinfo->scratch_cursor_gc = XCreateGC (dpy, FRAME_X_WINDOW (f), | |
11517 | GCForeground, &xgcv); | |
11518 | gc = dpyinfo->scratch_cursor_gc; | |
11519 | ||
11520 | /* Set clipping, draw the rectangle, and reset clipping again. */ | |
11521 | x_clip_to_row (w, row, gc, 0); | |
11522 | XDrawRectangle (dpy, FRAME_X_WINDOW (f), gc, x, y, wd, h); | |
11523 | XSetClipMask (dpy, gc, None); | |
dc6f92b8 JB |
11524 | } |
11525 | ||
06a2c219 GM |
11526 | |
11527 | /* Draw a bar cursor on window W in glyph row ROW. | |
11528 | ||
11529 | Implementation note: One would like to draw a bar cursor with an | |
11530 | angle equal to the one given by the font property XA_ITALIC_ANGLE. | |
11531 | Unfortunately, I didn't find a font yet that has this property set. | |
11532 | --gerd. */ | |
dc6f92b8 JB |
11533 | |
11534 | static void | |
65c26775 | 11535 | x_draw_bar_cursor (w, row, width, kind) |
06a2c219 GM |
11536 | struct window *w; |
11537 | struct glyph_row *row; | |
f02d8aa0 | 11538 | int width; |
65c26775 | 11539 | enum text_cursor_kinds kind; |
dc6f92b8 | 11540 | { |
92f424df GM |
11541 | struct frame *f = XFRAME (w->frame); |
11542 | struct glyph *cursor_glyph; | |
7d0393cf | 11543 | |
92f424df GM |
11544 | /* If cursor is out of bounds, don't draw garbage. This can happen |
11545 | in mini-buffer windows when switching between echo area glyphs | |
11546 | and mini-buffer. */ | |
11547 | cursor_glyph = get_phys_cursor_glyph (w); | |
11548 | if (cursor_glyph == NULL) | |
11549 | return; | |
06a2c219 | 11550 | |
92f424df GM |
11551 | /* If on an image, draw like a normal cursor. That's usually better |
11552 | visible than drawing a bar, esp. if the image is large so that | |
11553 | the bar might not be in the window. */ | |
11554 | if (cursor_glyph->type == IMAGE_GLYPH) | |
11555 | { | |
11556 | struct glyph_row *row; | |
11557 | row = MATRIX_ROW (w->current_matrix, w->phys_cursor.vpos); | |
11558 | x_draw_phys_cursor_glyph (w, row, DRAW_CURSOR); | |
11559 | } | |
11560 | else | |
11561 | { | |
34e5d0af GM |
11562 | Display *dpy = FRAME_X_DISPLAY (f); |
11563 | Window window = FRAME_X_WINDOW (f); | |
11564 | GC gc = FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc; | |
11565 | unsigned long mask = GCForeground | GCBackground | GCGraphicsExposures; | |
11566 | struct face *face = FACE_FROM_ID (f, cursor_glyph->face_id); | |
11567 | XGCValues xgcv; | |
11568 | ||
11569 | /* If the glyph's background equals the color we normally draw | |
11570 | the bar cursor in, the bar cursor in its normal color is | |
11571 | invisible. Use the glyph's foreground color instead in this | |
11572 | case, on the assumption that the glyph's colors are chosen so | |
11573 | that the glyph is legible. */ | |
11574 | if (face->background == f->output_data.x->cursor_pixel) | |
11575 | xgcv.background = xgcv.foreground = face->foreground; | |
11576 | else | |
11577 | xgcv.background = xgcv.foreground = f->output_data.x->cursor_pixel; | |
06a2c219 | 11578 | xgcv.graphics_exposures = 0; |
7d0393cf | 11579 | |
06a2c219 GM |
11580 | if (gc) |
11581 | XChangeGC (dpy, gc, mask, &xgcv); | |
11582 | else | |
11583 | { | |
11584 | gc = XCreateGC (dpy, window, mask, &xgcv); | |
11585 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc = gc; | |
11586 | } | |
7d0393cf | 11587 | |
f02d8aa0 | 11588 | if (width < 0) |
fdbe859c | 11589 | width = FRAME_CURSOR_WIDTH (f); |
34e5d0af | 11590 | width = min (cursor_glyph->pixel_width, width); |
7d0393cf | 11591 | |
b3738089 | 11592 | w->phys_cursor_width = width; |
06a2c219 | 11593 | x_clip_to_row (w, row, gc, 0); |
7d0393cf | 11594 | |
65c26775 EZ |
11595 | if (kind == BAR_CURSOR) |
11596 | XFillRectangle (dpy, window, gc, | |
11597 | WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x), | |
11598 | WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y), | |
11599 | width, row->height); | |
11600 | else | |
11601 | XFillRectangle (dpy, window, gc, | |
11602 | WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x), | |
11603 | WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y + | |
11604 | row->height - width), | |
11605 | cursor_glyph->pixel_width, | |
11606 | width); | |
11607 | ||
06a2c219 GM |
11608 | XSetClipMask (dpy, gc, None); |
11609 | } | |
dc6f92b8 JB |
11610 | } |
11611 | ||
06a2c219 GM |
11612 | |
11613 | /* Clear the cursor of window W to background color, and mark the | |
11614 | cursor as not shown. This is used when the text where the cursor | |
11615 | is is about to be rewritten. */ | |
11616 | ||
dc6f92b8 | 11617 | static void |
06a2c219 GM |
11618 | x_clear_cursor (w) |
11619 | struct window *w; | |
dc6f92b8 | 11620 | { |
06a2c219 GM |
11621 | if (FRAME_VISIBLE_P (XFRAME (w->frame)) && w->phys_cursor_on_p) |
11622 | x_update_window_cursor (w, 0); | |
11623 | } | |
90e65f07 | 11624 | |
dbc4e1c1 | 11625 | |
06a2c219 GM |
11626 | /* Draw the cursor glyph of window W in glyph row ROW. See the |
11627 | comment of x_draw_glyphs for the meaning of HL. */ | |
dbc4e1c1 | 11628 | |
06a2c219 GM |
11629 | static void |
11630 | x_draw_phys_cursor_glyph (w, row, hl) | |
11631 | struct window *w; | |
11632 | struct glyph_row *row; | |
11633 | enum draw_glyphs_face hl; | |
11634 | { | |
11635 | /* If cursor hpos is out of bounds, don't draw garbage. This can | |
11636 | happen in mini-buffer windows when switching between echo area | |
11637 | glyphs and mini-buffer. */ | |
11638 | if (w->phys_cursor.hpos < row->used[TEXT_AREA]) | |
66ac4b0e | 11639 | { |
f0a48a01 | 11640 | int on_p = w->phys_cursor_on_p; |
56a0382c | 11641 | int x1; |
7d0393cf | 11642 | |
56a0382c GM |
11643 | x1 = x_draw_glyphs (w, w->phys_cursor.x, row, TEXT_AREA, |
11644 | w->phys_cursor.hpos, w->phys_cursor.hpos + 1, | |
11645 | hl, 0); | |
f0a48a01 | 11646 | w->phys_cursor_on_p = on_p; |
66ac4b0e | 11647 | |
b3738089 | 11648 | if (hl == DRAW_CURSOR) |
56a0382c | 11649 | w->phys_cursor_width = x1 - w->phys_cursor.x; |
b3738089 | 11650 | |
66ac4b0e GM |
11651 | /* When we erase the cursor, and ROW is overlapped by other |
11652 | rows, make sure that these overlapping parts of other rows | |
11653 | are redrawn. */ | |
b3738089 | 11654 | else if (hl == DRAW_NORMAL_TEXT && row->overlapped_p) |
66ac4b0e GM |
11655 | { |
11656 | if (row > w->current_matrix->rows | |
11657 | && MATRIX_ROW_OVERLAPS_SUCC_P (row - 1)) | |
11658 | x_fix_overlapping_area (w, row - 1, TEXT_AREA); | |
11659 | ||
11660 | if (MATRIX_ROW_BOTTOM_Y (row) < window_text_bottom_y (w) | |
11661 | && MATRIX_ROW_OVERLAPS_PRED_P (row + 1)) | |
11662 | x_fix_overlapping_area (w, row + 1, TEXT_AREA); | |
11663 | } | |
11664 | } | |
06a2c219 | 11665 | } |
dbc4e1c1 | 11666 | |
eea6af04 | 11667 | |
06a2c219 | 11668 | /* Erase the image of a cursor of window W from the screen. */ |
eea6af04 | 11669 | |
06a2c219 GM |
11670 | static void |
11671 | x_erase_phys_cursor (w) | |
11672 | struct window *w; | |
11673 | { | |
11674 | struct frame *f = XFRAME (w->frame); | |
11675 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
11676 | int hpos = w->phys_cursor.hpos; | |
11677 | int vpos = w->phys_cursor.vpos; | |
11678 | int mouse_face_here_p = 0; | |
11679 | struct glyph_matrix *active_glyphs = w->current_matrix; | |
11680 | struct glyph_row *cursor_row; | |
11681 | struct glyph *cursor_glyph; | |
11682 | enum draw_glyphs_face hl; | |
11683 | ||
11684 | /* No cursor displayed or row invalidated => nothing to do on the | |
11685 | screen. */ | |
11686 | if (w->phys_cursor_type == NO_CURSOR) | |
11687 | goto mark_cursor_off; | |
7d0393cf | 11688 | |
06a2c219 GM |
11689 | /* VPOS >= active_glyphs->nrows means that window has been resized. |
11690 | Don't bother to erase the cursor. */ | |
11691 | if (vpos >= active_glyphs->nrows) | |
11692 | goto mark_cursor_off; | |
11693 | ||
11694 | /* If row containing cursor is marked invalid, there is nothing we | |
11695 | can do. */ | |
11696 | cursor_row = MATRIX_ROW (active_glyphs, vpos); | |
11697 | if (!cursor_row->enabled_p) | |
11698 | goto mark_cursor_off; | |
7d0393cf | 11699 | |
a2c6de8e KS |
11700 | /* If row is completely invisible, don't attempt to delete a cursor which |
11701 | isn't there. This can happen if cursor is at top of a window, and | |
11702 | we switch to a buffer with a header line in that window. */ | |
11703 | if (cursor_row->visible_height <= 0) | |
11704 | goto mark_cursor_off; | |
7d0393cf | 11705 | |
06a2c219 GM |
11706 | /* This can happen when the new row is shorter than the old one. |
11707 | In this case, either x_draw_glyphs or clear_end_of_line | |
11708 | should have cleared the cursor. Note that we wouldn't be | |
11709 | able to erase the cursor in this case because we don't have a | |
11710 | cursor glyph at hand. */ | |
11711 | if (w->phys_cursor.hpos >= cursor_row->used[TEXT_AREA]) | |
11712 | goto mark_cursor_off; | |
7d0393cf | 11713 | |
06a2c219 GM |
11714 | /* If the cursor is in the mouse face area, redisplay that when |
11715 | we clear the cursor. */ | |
8801a864 KR |
11716 | if (! NILP (dpyinfo->mouse_face_window) |
11717 | && w == XWINDOW (dpyinfo->mouse_face_window) | |
06a2c219 GM |
11718 | && (vpos > dpyinfo->mouse_face_beg_row |
11719 | || (vpos == dpyinfo->mouse_face_beg_row | |
11720 | && hpos >= dpyinfo->mouse_face_beg_col)) | |
11721 | && (vpos < dpyinfo->mouse_face_end_row | |
11722 | || (vpos == dpyinfo->mouse_face_end_row | |
11723 | && hpos < dpyinfo->mouse_face_end_col)) | |
11724 | /* Don't redraw the cursor's spot in mouse face if it is at the | |
11725 | end of a line (on a newline). The cursor appears there, but | |
11726 | mouse highlighting does not. */ | |
11727 | && cursor_row->used[TEXT_AREA] > hpos) | |
11728 | mouse_face_here_p = 1; | |
11729 | ||
11730 | /* Maybe clear the display under the cursor. */ | |
11731 | if (w->phys_cursor_type == HOLLOW_BOX_CURSOR) | |
11732 | { | |
11733 | int x; | |
045dee35 | 11734 | int header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); |
dbc4e1c1 | 11735 | |
06a2c219 GM |
11736 | cursor_glyph = get_phys_cursor_glyph (w); |
11737 | if (cursor_glyph == NULL) | |
11738 | goto mark_cursor_off; | |
dbc4e1c1 | 11739 | |
e0300d33 | 11740 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); |
7d0393cf | 11741 | |
c5e6e06b GM |
11742 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
11743 | x, | |
11744 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, | |
11745 | cursor_row->y)), | |
11746 | cursor_glyph->pixel_width, | |
11747 | cursor_row->visible_height, | |
11748 | False); | |
dbc4e1c1 | 11749 | } |
7d0393cf | 11750 | |
06a2c219 GM |
11751 | /* Erase the cursor by redrawing the character underneath it. */ |
11752 | if (mouse_face_here_p) | |
11753 | hl = DRAW_MOUSE_FACE; | |
06a2c219 GM |
11754 | else |
11755 | hl = DRAW_NORMAL_TEXT; | |
11756 | x_draw_phys_cursor_glyph (w, cursor_row, hl); | |
dbc4e1c1 | 11757 | |
06a2c219 GM |
11758 | mark_cursor_off: |
11759 | w->phys_cursor_on_p = 0; | |
11760 | w->phys_cursor_type = NO_CURSOR; | |
dbc4e1c1 JB |
11761 | } |
11762 | ||
11763 | ||
b7f83f9e GM |
11764 | /* Non-zero if physical cursor of window W is within mouse face. */ |
11765 | ||
11766 | static int | |
11767 | cursor_in_mouse_face_p (w) | |
11768 | struct window *w; | |
11769 | { | |
11770 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (XFRAME (w->frame)); | |
11771 | int in_mouse_face = 0; | |
7d0393cf | 11772 | |
b7f83f9e GM |
11773 | if (WINDOWP (dpyinfo->mouse_face_window) |
11774 | && XWINDOW (dpyinfo->mouse_face_window) == w) | |
11775 | { | |
11776 | int hpos = w->phys_cursor.hpos; | |
11777 | int vpos = w->phys_cursor.vpos; | |
11778 | ||
11779 | if (vpos >= dpyinfo->mouse_face_beg_row | |
11780 | && vpos <= dpyinfo->mouse_face_end_row | |
11781 | && (vpos > dpyinfo->mouse_face_beg_row | |
11782 | || hpos >= dpyinfo->mouse_face_beg_col) | |
11783 | && (vpos < dpyinfo->mouse_face_end_row | |
11784 | || hpos < dpyinfo->mouse_face_end_col | |
11785 | || dpyinfo->mouse_face_past_end)) | |
11786 | in_mouse_face = 1; | |
11787 | } | |
11788 | ||
11789 | return in_mouse_face; | |
11790 | } | |
11791 | ||
11792 | ||
06a2c219 GM |
11793 | /* Display or clear cursor of window W. If ON is zero, clear the |
11794 | cursor. If it is non-zero, display the cursor. If ON is nonzero, | |
11795 | where to put the cursor is specified by HPOS, VPOS, X and Y. */ | |
dbc4e1c1 | 11796 | |
06a2c219 GM |
11797 | void |
11798 | x_display_and_set_cursor (w, on, hpos, vpos, x, y) | |
11799 | struct window *w; | |
11800 | int on, hpos, vpos, x, y; | |
dbc4e1c1 | 11801 | { |
06a2c219 GM |
11802 | struct frame *f = XFRAME (w->frame); |
11803 | int new_cursor_type; | |
f02d8aa0 | 11804 | int new_cursor_width; |
06a2c219 GM |
11805 | struct glyph_matrix *current_glyphs; |
11806 | struct glyph_row *glyph_row; | |
11807 | struct glyph *glyph; | |
dbc4e1c1 | 11808 | |
49d838ea | 11809 | /* This is pointless on invisible frames, and dangerous on garbaged |
06a2c219 GM |
11810 | windows and frames; in the latter case, the frame or window may |
11811 | be in the midst of changing its size, and x and y may be off the | |
11812 | window. */ | |
11813 | if (! FRAME_VISIBLE_P (f) | |
11814 | || FRAME_GARBAGED_P (f) | |
11815 | || vpos >= w->current_matrix->nrows | |
11816 | || hpos >= w->current_matrix->matrix_w) | |
dc6f92b8 JB |
11817 | return; |
11818 | ||
11819 | /* If cursor is off and we want it off, return quickly. */ | |
06a2c219 | 11820 | if (!on && !w->phys_cursor_on_p) |
dc6f92b8 JB |
11821 | return; |
11822 | ||
06a2c219 GM |
11823 | current_glyphs = w->current_matrix; |
11824 | glyph_row = MATRIX_ROW (current_glyphs, vpos); | |
11825 | glyph = glyph_row->glyphs[TEXT_AREA] + hpos; | |
7d0393cf JB |
11826 | |
11827 | /* If cursor row is not enabled, we don't really know where to | |
06a2c219 GM |
11828 | display the cursor. */ |
11829 | if (!glyph_row->enabled_p) | |
11830 | { | |
11831 | w->phys_cursor_on_p = 0; | |
11832 | return; | |
11833 | } | |
11834 | ||
11835 | xassert (interrupt_input_blocked); | |
11836 | ||
fdbe859c KS |
11837 | /* Set new_cursor_type to the cursor we want to be displayed. */ |
11838 | new_cursor_type = get_window_cursor_type (w, &new_cursor_width); | |
f7e039de | 11839 | |
06a2c219 GM |
11840 | /* If cursor is currently being shown and we don't want it to be or |
11841 | it is in the wrong place, or the cursor type is not what we want, | |
dc6f92b8 | 11842 | erase it. */ |
06a2c219 | 11843 | if (w->phys_cursor_on_p |
dc6f92b8 | 11844 | && (!on |
06a2c219 GM |
11845 | || w->phys_cursor.x != x |
11846 | || w->phys_cursor.y != y | |
e1429afe | 11847 | || new_cursor_type != w->phys_cursor_type |
fdbe859c | 11848 | || ((new_cursor_type == BAR_CURSOR || new_cursor_type == HBAR_CURSOR) |
e1429afe | 11849 | && new_cursor_width != w->phys_cursor_width))) |
06a2c219 GM |
11850 | x_erase_phys_cursor (w); |
11851 | ||
56a0382c GM |
11852 | /* Don't check phys_cursor_on_p here because that flag is only set |
11853 | to zero in some cases where we know that the cursor has been | |
11854 | completely erased, to avoid the extra work of erasing the cursor | |
11855 | twice. In other words, phys_cursor_on_p can be 1 and the cursor | |
11856 | still not be visible, or it has only been partly erased. */ | |
11857 | if (on) | |
06a2c219 GM |
11858 | { |
11859 | w->phys_cursor_ascent = glyph_row->ascent; | |
11860 | w->phys_cursor_height = glyph_row->height; | |
7d0393cf | 11861 | |
06a2c219 GM |
11862 | /* Set phys_cursor_.* before x_draw_.* is called because some |
11863 | of them may need the information. */ | |
11864 | w->phys_cursor.x = x; | |
11865 | w->phys_cursor.y = glyph_row->y; | |
11866 | w->phys_cursor.hpos = hpos; | |
11867 | w->phys_cursor.vpos = vpos; | |
11868 | w->phys_cursor_type = new_cursor_type; | |
11869 | w->phys_cursor_on_p = 1; | |
11870 | ||
11871 | switch (new_cursor_type) | |
dc6f92b8 | 11872 | { |
06a2c219 GM |
11873 | case HOLLOW_BOX_CURSOR: |
11874 | x_draw_hollow_cursor (w, glyph_row); | |
11875 | break; | |
11876 | ||
11877 | case FILLED_BOX_CURSOR: | |
11878 | x_draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR); | |
11879 | break; | |
11880 | ||
11881 | case BAR_CURSOR: | |
65c26775 EZ |
11882 | x_draw_bar_cursor (w, glyph_row, new_cursor_width, BAR_CURSOR); |
11883 | break; | |
11884 | ||
11885 | case HBAR_CURSOR: | |
b3738089 | 11886 | x_draw_bar_cursor (w, glyph_row, new_cursor_width, HBAR_CURSOR); |
06a2c219 GM |
11887 | break; |
11888 | ||
11889 | case NO_CURSOR: | |
4398e673 | 11890 | w->phys_cursor_width = 0; |
06a2c219 | 11891 | break; |
dc6f92b8 | 11892 | |
06a2c219 GM |
11893 | default: |
11894 | abort (); | |
11895 | } | |
7d0393cf | 11896 | |
59ddecde GM |
11897 | #ifdef HAVE_X_I18N |
11898 | if (w == XWINDOW (f->selected_window)) | |
11899 | if (FRAME_XIC (f) && (FRAME_XIC_STYLE (f) & XIMPreeditPosition)) | |
11900 | xic_set_preeditarea (w, x, y); | |
11901 | #endif | |
dc6f92b8 JB |
11902 | } |
11903 | ||
06a2c219 | 11904 | #ifndef XFlush |
f676886a | 11905 | if (updating_frame != f) |
334208b7 | 11906 | XFlush (FRAME_X_DISPLAY (f)); |
06a2c219 | 11907 | #endif |
dc6f92b8 JB |
11908 | } |
11909 | ||
06a2c219 GM |
11910 | |
11911 | /* Display the cursor on window W, or clear it. X and Y are window | |
11912 | relative pixel coordinates. HPOS and VPOS are glyph matrix | |
11913 | positions. If W is not the selected window, display a hollow | |
11914 | cursor. ON non-zero means display the cursor at X, Y which | |
11915 | correspond to HPOS, VPOS, otherwise it is cleared. */ | |
5d46f928 | 11916 | |
dfcf069d | 11917 | void |
06a2c219 GM |
11918 | x_display_cursor (w, on, hpos, vpos, x, y) |
11919 | struct window *w; | |
11920 | int on, hpos, vpos, x, y; | |
dc6f92b8 | 11921 | { |
f94397b5 | 11922 | BLOCK_INPUT; |
06a2c219 | 11923 | x_display_and_set_cursor (w, on, hpos, vpos, x, y); |
5d46f928 RS |
11924 | UNBLOCK_INPUT; |
11925 | } | |
11926 | ||
06a2c219 GM |
11927 | |
11928 | /* Display the cursor on window W, or clear it, according to ON_P. | |
5d46f928 RS |
11929 | Don't change the cursor's position. */ |
11930 | ||
dfcf069d | 11931 | void |
06a2c219 | 11932 | x_update_cursor (f, on_p) |
5d46f928 | 11933 | struct frame *f; |
5d46f928 | 11934 | { |
06a2c219 GM |
11935 | x_update_cursor_in_window_tree (XWINDOW (f->root_window), on_p); |
11936 | } | |
11937 | ||
11938 | ||
11939 | /* Call x_update_window_cursor with parameter ON_P on all leaf windows | |
11940 | in the window tree rooted at W. */ | |
11941 | ||
11942 | static void | |
11943 | x_update_cursor_in_window_tree (w, on_p) | |
11944 | struct window *w; | |
11945 | int on_p; | |
11946 | { | |
11947 | while (w) | |
11948 | { | |
11949 | if (!NILP (w->hchild)) | |
11950 | x_update_cursor_in_window_tree (XWINDOW (w->hchild), on_p); | |
11951 | else if (!NILP (w->vchild)) | |
11952 | x_update_cursor_in_window_tree (XWINDOW (w->vchild), on_p); | |
11953 | else | |
11954 | x_update_window_cursor (w, on_p); | |
11955 | ||
11956 | w = NILP (w->next) ? 0 : XWINDOW (w->next); | |
11957 | } | |
11958 | } | |
5d46f928 | 11959 | |
f94397b5 | 11960 | |
06a2c219 GM |
11961 | /* Switch the display of W's cursor on or off, according to the value |
11962 | of ON. */ | |
11963 | ||
11964 | static void | |
11965 | x_update_window_cursor (w, on) | |
11966 | struct window *w; | |
11967 | int on; | |
11968 | { | |
16b5d424 GM |
11969 | /* Don't update cursor in windows whose frame is in the process |
11970 | of being deleted. */ | |
11971 | if (w->current_matrix) | |
11972 | { | |
11973 | BLOCK_INPUT; | |
11974 | x_display_and_set_cursor (w, on, w->phys_cursor.hpos, w->phys_cursor.vpos, | |
11975 | w->phys_cursor.x, w->phys_cursor.y); | |
11976 | UNBLOCK_INPUT; | |
11977 | } | |
dc6f92b8 | 11978 | } |
06a2c219 GM |
11979 | |
11980 | ||
11981 | ||
dc6f92b8 JB |
11982 | \f |
11983 | /* Icons. */ | |
11984 | ||
dbc4e1c1 | 11985 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
11986 | |
11987 | int | |
990ba854 | 11988 | x_bitmap_icon (f, file) |
f676886a | 11989 | struct frame *f; |
990ba854 | 11990 | Lisp_Object file; |
dc6f92b8 | 11991 | { |
06a2c219 | 11992 | int bitmap_id; |
dc6f92b8 | 11993 | |
c118dd06 | 11994 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
11995 | return 1; |
11996 | ||
990ba854 | 11997 | /* Free up our existing icon bitmap if any. */ |
7556890b RS |
11998 | if (f->output_data.x->icon_bitmap > 0) |
11999 | x_destroy_bitmap (f, f->output_data.x->icon_bitmap); | |
12000 | f->output_data.x->icon_bitmap = 0; | |
990ba854 RS |
12001 | |
12002 | if (STRINGP (file)) | |
7f2ae036 RS |
12003 | bitmap_id = x_create_bitmap_from_file (f, file); |
12004 | else | |
12005 | { | |
990ba854 | 12006 | /* Create the GNU bitmap if necessary. */ |
5bf01b68 | 12007 | if (FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id < 0) |
334208b7 RS |
12008 | FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id |
12009 | = x_create_bitmap_from_data (f, gnu_bits, | |
12010 | gnu_width, gnu_height); | |
990ba854 RS |
12011 | |
12012 | /* The first time we create the GNU bitmap, | |
06a2c219 | 12013 | this increments the ref-count one extra time. |
990ba854 RS |
12014 | As a result, the GNU bitmap is never freed. |
12015 | That way, we don't have to worry about allocating it again. */ | |
334208b7 | 12016 | x_reference_bitmap (f, FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id); |
990ba854 | 12017 | |
334208b7 | 12018 | bitmap_id = FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id; |
7f2ae036 RS |
12019 | } |
12020 | ||
12021 | x_wm_set_icon_pixmap (f, bitmap_id); | |
7556890b | 12022 | f->output_data.x->icon_bitmap = bitmap_id; |
dc6f92b8 JB |
12023 | |
12024 | return 0; | |
12025 | } | |
12026 | ||
12027 | ||
1be2d067 KH |
12028 | /* Make the x-window of frame F use a rectangle with text. |
12029 | Use ICON_NAME as the text. */ | |
dc6f92b8 JB |
12030 | |
12031 | int | |
f676886a JB |
12032 | x_text_icon (f, icon_name) |
12033 | struct frame *f; | |
dc6f92b8 JB |
12034 | char *icon_name; |
12035 | { | |
c118dd06 | 12036 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
12037 | return 1; |
12038 | ||
1be2d067 KH |
12039 | #ifdef HAVE_X11R4 |
12040 | { | |
12041 | XTextProperty text; | |
12042 | text.value = (unsigned char *) icon_name; | |
12043 | text.encoding = XA_STRING; | |
12044 | text.format = 8; | |
12045 | text.nitems = strlen (icon_name); | |
12046 | #ifdef USE_X_TOOLKIT | |
7556890b | 12047 | XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
1be2d067 KH |
12048 | &text); |
12049 | #else /* not USE_X_TOOLKIT */ | |
12050 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text); | |
12051 | #endif /* not USE_X_TOOLKIT */ | |
12052 | } | |
12053 | #else /* not HAVE_X11R4 */ | |
12054 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), icon_name); | |
12055 | #endif /* not HAVE_X11R4 */ | |
58769bee | 12056 | |
7556890b RS |
12057 | if (f->output_data.x->icon_bitmap > 0) |
12058 | x_destroy_bitmap (f, f->output_data.x->icon_bitmap); | |
12059 | f->output_data.x->icon_bitmap = 0; | |
b1c884c3 | 12060 | x_wm_set_icon_pixmap (f, 0); |
dc6f92b8 JB |
12061 | |
12062 | return 0; | |
12063 | } | |
12064 | \f | |
e99db5a1 RS |
12065 | #define X_ERROR_MESSAGE_SIZE 200 |
12066 | ||
12067 | /* If non-nil, this should be a string. | |
12068 | It means catch X errors and store the error message in this string. */ | |
12069 | ||
12070 | static Lisp_Object x_error_message_string; | |
12071 | ||
12072 | /* An X error handler which stores the error message in | |
12073 | x_error_message_string. This is called from x_error_handler if | |
12074 | x_catch_errors is in effect. */ | |
12075 | ||
06a2c219 | 12076 | static void |
e99db5a1 RS |
12077 | x_error_catcher (display, error) |
12078 | Display *display; | |
12079 | XErrorEvent *error; | |
12080 | { | |
12081 | XGetErrorText (display, error->error_code, | |
d5db4077 | 12082 | SDATA (x_error_message_string), |
e99db5a1 RS |
12083 | X_ERROR_MESSAGE_SIZE); |
12084 | } | |
12085 | ||
12086 | /* Begin trapping X errors for display DPY. Actually we trap X errors | |
12087 | for all displays, but DPY should be the display you are actually | |
12088 | operating on. | |
12089 | ||
12090 | After calling this function, X protocol errors no longer cause | |
12091 | Emacs to exit; instead, they are recorded in the string | |
12092 | stored in x_error_message_string. | |
12093 | ||
12094 | Calling x_check_errors signals an Emacs error if an X error has | |
12095 | occurred since the last call to x_catch_errors or x_check_errors. | |
12096 | ||
12097 | Calling x_uncatch_errors resumes the normal error handling. */ | |
12098 | ||
12099 | void x_check_errors (); | |
12100 | static Lisp_Object x_catch_errors_unwind (); | |
12101 | ||
12102 | int | |
12103 | x_catch_errors (dpy) | |
12104 | Display *dpy; | |
12105 | { | |
aed13378 | 12106 | int count = SPECPDL_INDEX (); |
e99db5a1 RS |
12107 | |
12108 | /* Make sure any errors from previous requests have been dealt with. */ | |
12109 | XSync (dpy, False); | |
12110 | ||
12111 | record_unwind_protect (x_catch_errors_unwind, x_error_message_string); | |
12112 | ||
12113 | x_error_message_string = make_uninit_string (X_ERROR_MESSAGE_SIZE); | |
7da167cd | 12114 | SSET (x_error_message_string, 0, 0); |
e99db5a1 RS |
12115 | |
12116 | return count; | |
12117 | } | |
12118 | ||
12119 | /* Unbind the binding that we made to check for X errors. */ | |
12120 | ||
12121 | static Lisp_Object | |
12122 | x_catch_errors_unwind (old_val) | |
12123 | Lisp_Object old_val; | |
12124 | { | |
12125 | x_error_message_string = old_val; | |
12126 | return Qnil; | |
12127 | } | |
12128 | ||
12129 | /* If any X protocol errors have arrived since the last call to | |
12130 | x_catch_errors or x_check_errors, signal an Emacs error using | |
12131 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
12132 | ||
12133 | void | |
12134 | x_check_errors (dpy, format) | |
12135 | Display *dpy; | |
12136 | char *format; | |
12137 | { | |
12138 | /* Make sure to catch any errors incurred so far. */ | |
12139 | XSync (dpy, False); | |
12140 | ||
d5db4077 KR |
12141 | if (SREF (x_error_message_string, 0)) |
12142 | error (format, SDATA (x_error_message_string)); | |
e99db5a1 RS |
12143 | } |
12144 | ||
9829ddba RS |
12145 | /* Nonzero if we had any X protocol errors |
12146 | since we did x_catch_errors on DPY. */ | |
e99db5a1 RS |
12147 | |
12148 | int | |
12149 | x_had_errors_p (dpy) | |
12150 | Display *dpy; | |
12151 | { | |
12152 | /* Make sure to catch any errors incurred so far. */ | |
12153 | XSync (dpy, False); | |
12154 | ||
d5db4077 | 12155 | return SREF (x_error_message_string, 0) != 0; |
e99db5a1 RS |
12156 | } |
12157 | ||
9829ddba RS |
12158 | /* Forget about any errors we have had, since we did x_catch_errors on DPY. */ |
12159 | ||
06a2c219 | 12160 | void |
9829ddba RS |
12161 | x_clear_errors (dpy) |
12162 | Display *dpy; | |
12163 | { | |
7da167cd | 12164 | SSET (x_error_message_string, 0, 0); |
9829ddba RS |
12165 | } |
12166 | ||
e99db5a1 RS |
12167 | /* Stop catching X protocol errors and let them make Emacs die. |
12168 | DPY should be the display that was passed to x_catch_errors. | |
12169 | COUNT should be the value that was returned by | |
12170 | the corresponding call to x_catch_errors. */ | |
12171 | ||
12172 | void | |
12173 | x_uncatch_errors (dpy, count) | |
12174 | Display *dpy; | |
12175 | int count; | |
12176 | { | |
12177 | unbind_to (count, Qnil); | |
12178 | } | |
12179 | ||
12180 | #if 0 | |
12181 | static unsigned int x_wire_count; | |
12182 | x_trace_wire () | |
12183 | { | |
12184 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
12185 | } | |
12186 | #endif /* ! 0 */ | |
12187 | ||
12188 | \f | |
12189 | /* Handle SIGPIPE, which can happen when the connection to a server | |
12190 | simply goes away. SIGPIPE is handled by x_connection_signal. | |
7d0393cf | 12191 | Don't need to do anything, because the write which caused the |
e99db5a1 | 12192 | SIGPIPE will fail, causing Xlib to invoke the X IO error handler, |
06a2c219 | 12193 | which will do the appropriate cleanup for us. */ |
7d0393cf | 12194 | |
e99db5a1 RS |
12195 | static SIGTYPE |
12196 | x_connection_signal (signalnum) /* If we don't have an argument, */ | |
06a2c219 | 12197 | int signalnum; /* some compilers complain in signal calls. */ |
e99db5a1 RS |
12198 | { |
12199 | #ifdef USG | |
12200 | /* USG systems forget handlers when they are used; | |
12201 | must reestablish each time */ | |
12202 | signal (signalnum, x_connection_signal); | |
12203 | #endif /* USG */ | |
12204 | } | |
0da1ab50 | 12205 | |
e99db5a1 | 12206 | \f |
0da1ab50 GM |
12207 | /************************************************************************ |
12208 | Handling X errors | |
12209 | ************************************************************************/ | |
4746118a | 12210 | |
f0e299de GM |
12211 | /* Error message passed to x_connection_closed. */ |
12212 | ||
12213 | static char *error_msg; | |
12214 | ||
a7248e4f | 12215 | /* Function installed as fatal_error_signal_hook in |
f0e299de GM |
12216 | x_connection_closed. Print the X error message, and exit normally, |
12217 | instead of dumping core when XtCloseDisplay fails. */ | |
12218 | ||
12219 | static void | |
12220 | x_fatal_error_signal () | |
12221 | { | |
12222 | fprintf (stderr, "%s\n", error_msg); | |
12223 | exit (70); | |
12224 | } | |
12225 | ||
0da1ab50 GM |
12226 | /* Handle the loss of connection to display DPY. ERROR_MESSAGE is |
12227 | the text of an error message that lead to the connection loss. */ | |
16bd92ea | 12228 | |
4746118a | 12229 | static SIGTYPE |
5978125e GM |
12230 | x_connection_closed (dpy, error_message) |
12231 | Display *dpy; | |
7a13e894 | 12232 | char *error_message; |
4746118a | 12233 | { |
5978125e | 12234 | struct x_display_info *dpyinfo = x_display_info_for_display (dpy); |
7a13e894 | 12235 | Lisp_Object frame, tail; |
0da1ab50 | 12236 | int count; |
7d0393cf | 12237 | |
f0e299de GM |
12238 | error_msg = (char *) alloca (strlen (error_message) + 1); |
12239 | strcpy (error_msg, error_message); | |
1a532e54 | 12240 | handling_signal = 0; |
7d0393cf | 12241 | |
0da1ab50 GM |
12242 | /* Prevent being called recursively because of an error condition |
12243 | below. Otherwise, we might end up with printing ``can't find per | |
12244 | display information'' in the recursive call instead of printing | |
12245 | the original message here. */ | |
12246 | count = x_catch_errors (dpy); | |
7d0393cf | 12247 | |
8a4f36cc GM |
12248 | /* We have to close the display to inform Xt that it doesn't |
12249 | exist anymore. If we don't, Xt will continue to wait for | |
12250 | events from the display. As a consequence, a sequence of | |
12251 | ||
12252 | M-x make-frame-on-display RET :1 RET | |
12253 | ...kill the new frame, so that we get an IO error... | |
12254 | M-x make-frame-on-display RET :1 RET | |
12255 | ||
12256 | will indefinitely wait in Xt for events for display `:1', opened | |
12257 | in the first class to make-frame-on-display. | |
6186a4a0 | 12258 | |
8a4f36cc GM |
12259 | Closing the display is reported to lead to a bus error on |
12260 | OpenWindows in certain situations. I suspect that is a bug | |
12261 | in OpenWindows. I don't know how to cicumvent it here. */ | |
7d0393cf | 12262 | |
f613a4c8 | 12263 | #ifdef USE_X_TOOLKIT |
ae24cb3b GM |
12264 | /* If DPYINFO is null, this means we didn't open the display |
12265 | in the first place, so don't try to close it. */ | |
12266 | if (dpyinfo) | |
f0e299de GM |
12267 | { |
12268 | extern void (*fatal_error_signal_hook) P_ ((void)); | |
12269 | fatal_error_signal_hook = x_fatal_error_signal; | |
12270 | XtCloseDisplay (dpy); | |
12271 | fatal_error_signal_hook = NULL; | |
12272 | } | |
f613a4c8 | 12273 | #endif |
adabc3a9 | 12274 | |
8a4f36cc | 12275 | /* Indicate that this display is dead. */ |
9e80b57d KR |
12276 | if (dpyinfo) |
12277 | dpyinfo->display = 0; | |
6186a4a0 | 12278 | |
06a2c219 | 12279 | /* First delete frames whose mini-buffers are on frames |
7a13e894 RS |
12280 | that are on the dead display. */ |
12281 | FOR_EACH_FRAME (tail, frame) | |
12282 | { | |
12283 | Lisp_Object minibuf_frame; | |
12284 | minibuf_frame | |
12285 | = WINDOW_FRAME (XWINDOW (FRAME_MINIBUF_WINDOW (XFRAME (frame)))); | |
f48f33ca RS |
12286 | if (FRAME_X_P (XFRAME (frame)) |
12287 | && FRAME_X_P (XFRAME (minibuf_frame)) | |
12288 | && ! EQ (frame, minibuf_frame) | |
12289 | && FRAME_X_DISPLAY_INFO (XFRAME (minibuf_frame)) == dpyinfo) | |
7a13e894 RS |
12290 | Fdelete_frame (frame, Qt); |
12291 | } | |
12292 | ||
12293 | /* Now delete all remaining frames on the dead display. | |
06a2c219 | 12294 | We are now sure none of these is used as the mini-buffer |
7a13e894 RS |
12295 | for another frame that we need to delete. */ |
12296 | FOR_EACH_FRAME (tail, frame) | |
f48f33ca RS |
12297 | if (FRAME_X_P (XFRAME (frame)) |
12298 | && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
07a7096a KH |
12299 | { |
12300 | /* Set this to t so that Fdelete_frame won't get confused | |
12301 | trying to find a replacement. */ | |
12302 | FRAME_KBOARD (XFRAME (frame))->Vdefault_minibuffer_frame = Qt; | |
12303 | Fdelete_frame (frame, Qt); | |
12304 | } | |
7a13e894 | 12305 | |
482a1bd2 KH |
12306 | if (dpyinfo) |
12307 | x_delete_display (dpyinfo); | |
7a13e894 | 12308 | |
0da1ab50 | 12309 | x_uncatch_errors (dpy, count); |
7d0393cf | 12310 | |
7a13e894 RS |
12311 | if (x_display_list == 0) |
12312 | { | |
f0e299de | 12313 | fprintf (stderr, "%s\n", error_msg); |
7a13e894 RS |
12314 | shut_down_emacs (0, 0, Qnil); |
12315 | exit (70); | |
12316 | } | |
12ba150f | 12317 | |
7a13e894 RS |
12318 | /* Ordinary stack unwind doesn't deal with these. */ |
12319 | #ifdef SIGIO | |
12320 | sigunblock (sigmask (SIGIO)); | |
12321 | #endif | |
12322 | sigunblock (sigmask (SIGALRM)); | |
12323 | TOTALLY_UNBLOCK_INPUT; | |
12324 | ||
aa4d9a9e | 12325 | clear_waiting_for_input (); |
f0e299de | 12326 | error ("%s", error_msg); |
4746118a JB |
12327 | } |
12328 | ||
0da1ab50 | 12329 | |
7a13e894 RS |
12330 | /* This is the usual handler for X protocol errors. |
12331 | It kills all frames on the display that we got the error for. | |
12332 | If that was the only one, it prints an error message and kills Emacs. */ | |
12333 | ||
06a2c219 | 12334 | static void |
c118dd06 JB |
12335 | x_error_quitter (display, error) |
12336 | Display *display; | |
12337 | XErrorEvent *error; | |
12338 | { | |
7a13e894 | 12339 | char buf[256], buf1[356]; |
dc6f92b8 | 12340 | |
58769bee | 12341 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 12342 | original error handler. */ |
dc6f92b8 | 12343 | |
c118dd06 | 12344 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
0a0fdc70 | 12345 | sprintf (buf1, "X protocol error: %s on protocol request %d", |
c118dd06 | 12346 | buf, error->request_code); |
7a13e894 | 12347 | x_connection_closed (display, buf1); |
dc6f92b8 JB |
12348 | } |
12349 | ||
0da1ab50 | 12350 | |
e99db5a1 RS |
12351 | /* This is the first-level handler for X protocol errors. |
12352 | It calls x_error_quitter or x_error_catcher. */ | |
7a13e894 | 12353 | |
8922af5f | 12354 | static int |
e99db5a1 | 12355 | x_error_handler (display, error) |
8922af5f | 12356 | Display *display; |
e99db5a1 | 12357 | XErrorEvent *error; |
8922af5f | 12358 | { |
e99db5a1 RS |
12359 | if (! NILP (x_error_message_string)) |
12360 | x_error_catcher (display, error); | |
12361 | else | |
12362 | x_error_quitter (display, error); | |
06a2c219 | 12363 | return 0; |
f9e24cb9 | 12364 | } |
c118dd06 | 12365 | |
e99db5a1 RS |
12366 | /* This is the handler for X IO errors, always. |
12367 | It kills all frames on the display that we lost touch with. | |
12368 | If that was the only one, it prints an error message and kills Emacs. */ | |
7a13e894 | 12369 | |
c118dd06 | 12370 | static int |
e99db5a1 | 12371 | x_io_error_quitter (display) |
c118dd06 | 12372 | Display *display; |
c118dd06 | 12373 | { |
e99db5a1 | 12374 | char buf[256]; |
dc6f92b8 | 12375 | |
e99db5a1 RS |
12376 | sprintf (buf, "Connection lost to X server `%s'", DisplayString (display)); |
12377 | x_connection_closed (display, buf); | |
06a2c219 | 12378 | return 0; |
dc6f92b8 | 12379 | } |
dc6f92b8 | 12380 | \f |
f451eb13 JB |
12381 | /* Changing the font of the frame. */ |
12382 | ||
76bcdf39 RS |
12383 | /* Give frame F the font named FONTNAME as its default font, and |
12384 | return the full name of that font. FONTNAME may be a wildcard | |
12385 | pattern; in that case, we choose some font that fits the pattern. | |
12386 | The return value shows which font we chose. */ | |
12387 | ||
b5cf7a0e | 12388 | Lisp_Object |
f676886a JB |
12389 | x_new_font (f, fontname) |
12390 | struct frame *f; | |
dc6f92b8 JB |
12391 | register char *fontname; |
12392 | { | |
dc43ef94 | 12393 | struct font_info *fontp |
ee569018 | 12394 | = FS_LOAD_FONT (f, 0, fontname, -1); |
dc6f92b8 | 12395 | |
dc43ef94 KH |
12396 | if (!fontp) |
12397 | return Qnil; | |
2224a5fc | 12398 | |
dc43ef94 | 12399 | f->output_data.x->font = (XFontStruct *) (fontp->font); |
b4192550 | 12400 | f->output_data.x->baseline_offset = fontp->baseline_offset; |
dc43ef94 | 12401 | f->output_data.x->fontset = -1; |
976b73d7 KS |
12402 | |
12403 | x_compute_fringe_widths (f, 1); | |
12404 | ||
b2cad826 KH |
12405 | /* Compute the scroll bar width in character columns. */ |
12406 | if (f->scroll_bar_pixel_width > 0) | |
12407 | { | |
7556890b | 12408 | int wid = FONT_WIDTH (f->output_data.x->font); |
b2cad826 KH |
12409 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; |
12410 | } | |
12411 | else | |
4e61bddf RS |
12412 | { |
12413 | int wid = FONT_WIDTH (f->output_data.x->font); | |
12414 | f->scroll_bar_cols = (14 + wid - 1) / wid; | |
12415 | } | |
b2cad826 | 12416 | |
f676886a | 12417 | /* Now make the frame display the given font. */ |
c118dd06 | 12418 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 12419 | { |
7556890b RS |
12420 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->normal_gc, |
12421 | f->output_data.x->font->fid); | |
12422 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->reverse_gc, | |
12423 | f->output_data.x->font->fid); | |
12424 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->cursor_gc, | |
12425 | f->output_data.x->font->fid); | |
f676886a | 12426 | |
a27f9f86 | 12427 | frame_update_line_height (f); |
3497f73e GM |
12428 | |
12429 | /* Don't change the size of a tip frame; there's no point in | |
12430 | doing it because it's done in Fx_show_tip, and it leads to | |
12431 | problems because the tip frame has no widget. */ | |
12432 | if (NILP (tip_frame) || XFRAME (tip_frame) != f) | |
12433 | x_set_window_size (f, 0, f->width, f->height); | |
dc6f92b8 | 12434 | } |
a27f9f86 RS |
12435 | else |
12436 | /* If we are setting a new frame's font for the first time, | |
12437 | there are no faces yet, so this font's height is the line height. */ | |
7556890b | 12438 | f->output_data.x->line_height = FONT_HEIGHT (f->output_data.x->font); |
dc6f92b8 | 12439 | |
dc43ef94 KH |
12440 | return build_string (fontp->full_name); |
12441 | } | |
12442 | ||
12443 | /* Give frame F the fontset named FONTSETNAME as its default font, and | |
12444 | return the full name of that fontset. FONTSETNAME may be a wildcard | |
b5210ea7 KH |
12445 | pattern; in that case, we choose some fontset that fits the pattern. |
12446 | The return value shows which fontset we chose. */ | |
b5cf7a0e | 12447 | |
dc43ef94 KH |
12448 | Lisp_Object |
12449 | x_new_fontset (f, fontsetname) | |
12450 | struct frame *f; | |
12451 | char *fontsetname; | |
12452 | { | |
ee569018 | 12453 | int fontset = fs_query_fontset (build_string (fontsetname), 0); |
dc43ef94 | 12454 | Lisp_Object result; |
b5cf7a0e | 12455 | |
dc43ef94 KH |
12456 | if (fontset < 0) |
12457 | return Qnil; | |
b5cf7a0e | 12458 | |
2da424f1 KH |
12459 | if (f->output_data.x->fontset == fontset) |
12460 | /* This fontset is already set in frame F. There's nothing more | |
12461 | to do. */ | |
ee569018 | 12462 | return fontset_name (fontset); |
dc43ef94 | 12463 | |
d5db4077 | 12464 | result = x_new_font (f, (SDATA (fontset_ascii (fontset)))); |
dc43ef94 KH |
12465 | |
12466 | if (!STRINGP (result)) | |
12467 | /* Can't load ASCII font. */ | |
12468 | return Qnil; | |
12469 | ||
12470 | /* Since x_new_font doesn't update any fontset information, do it now. */ | |
12471 | f->output_data.x->fontset = fontset; | |
dc43ef94 | 12472 | |
f5d11644 GM |
12473 | #ifdef HAVE_X_I18N |
12474 | if (FRAME_XIC (f) | |
12475 | && (FRAME_XIC_STYLE (f) & (XIMPreeditPosition | XIMStatusArea))) | |
d5db4077 | 12476 | xic_set_xfontset (f, SDATA (fontset_ascii (fontset))); |
f5d11644 | 12477 | #endif |
7d0393cf | 12478 | |
dc43ef94 | 12479 | return build_string (fontsetname); |
dc6f92b8 | 12480 | } |
f5d11644 | 12481 | |
976b73d7 KS |
12482 | /* Compute actual fringe widths */ |
12483 | ||
12484 | void | |
12485 | x_compute_fringe_widths (f, redraw) | |
12486 | struct frame *f; | |
12487 | int redraw; | |
12488 | { | |
12489 | int o_left = f->output_data.x->left_fringe_width; | |
12490 | int o_right = f->output_data.x->right_fringe_width; | |
12491 | int o_cols = f->output_data.x->fringe_cols; | |
12492 | ||
12493 | Lisp_Object left_fringe = Fassq (Qleft_fringe, f->param_alist); | |
12494 | Lisp_Object right_fringe = Fassq (Qright_fringe, f->param_alist); | |
12495 | int left_fringe_width, right_fringe_width; | |
12496 | ||
12497 | if (!NILP (left_fringe)) | |
12498 | left_fringe = Fcdr (left_fringe); | |
12499 | if (!NILP (right_fringe)) | |
12500 | right_fringe = Fcdr (right_fringe); | |
12501 | ||
12502 | left_fringe_width = ((NILP (left_fringe) || !INTEGERP (left_fringe)) ? 8 : | |
12503 | XINT (left_fringe)); | |
12504 | right_fringe_width = ((NILP (right_fringe) || !INTEGERP (right_fringe)) ? 8 : | |
12505 | XINT (right_fringe)); | |
12506 | ||
12507 | if (left_fringe_width || right_fringe_width) | |
12508 | { | |
12509 | int left_wid = left_fringe_width >= 0 ? left_fringe_width : -left_fringe_width; | |
12510 | int right_wid = right_fringe_width >= 0 ? right_fringe_width : -right_fringe_width; | |
12511 | int conf_wid = left_wid + right_wid; | |
12512 | int font_wid = FONT_WIDTH (f->output_data.x->font); | |
12513 | int cols = (left_wid + right_wid + font_wid-1) / font_wid; | |
12514 | int real_wid = cols * font_wid; | |
12515 | if (left_wid && right_wid) | |
12516 | { | |
12517 | if (left_fringe_width < 0) | |
12518 | { | |
12519 | /* Left fringe width is fixed, adjust right fringe if necessary */ | |
12520 | f->output_data.x->left_fringe_width = left_wid; | |
12521 | f->output_data.x->right_fringe_width = real_wid - left_wid; | |
12522 | } | |
12523 | else if (right_fringe_width < 0) | |
12524 | { | |
12525 | /* Right fringe width is fixed, adjust left fringe if necessary */ | |
12526 | f->output_data.x->left_fringe_width = real_wid - right_wid; | |
12527 | f->output_data.x->right_fringe_width = right_wid; | |
12528 | } | |
12529 | else | |
12530 | { | |
12531 | /* Adjust both fringes with an equal amount. | |
12532 | Note that we are doing integer arithmetic here, so don't | |
12533 | lose a pixel if the total width is an odd number. */ | |
12534 | int fill = real_wid - conf_wid; | |
12535 | f->output_data.x->left_fringe_width = left_wid + fill/2; | |
12536 | f->output_data.x->right_fringe_width = right_wid + fill - fill/2; | |
12537 | } | |
12538 | } | |
12539 | else if (left_fringe_width) | |
12540 | { | |
12541 | f->output_data.x->left_fringe_width = real_wid; | |
12542 | f->output_data.x->right_fringe_width = 0; | |
12543 | } | |
12544 | else | |
12545 | { | |
12546 | f->output_data.x->left_fringe_width = 0; | |
12547 | f->output_data.x->right_fringe_width = real_wid; | |
12548 | } | |
12549 | f->output_data.x->fringe_cols = cols; | |
12550 | f->output_data.x->fringes_extra = real_wid; | |
12551 | } | |
12552 | else | |
12553 | { | |
12554 | f->output_data.x->left_fringe_width = 0; | |
12555 | f->output_data.x->right_fringe_width = 0; | |
12556 | f->output_data.x->fringe_cols = 0; | |
12557 | f->output_data.x->fringes_extra = 0; | |
12558 | } | |
12559 | ||
12560 | if (redraw && FRAME_VISIBLE_P (f)) | |
12561 | if (o_left != f->output_data.x->left_fringe_width || | |
12562 | o_right != f->output_data.x->right_fringe_width || | |
12563 | o_cols != f->output_data.x->fringe_cols) | |
12564 | redraw_frame (f); | |
12565 | } | |
f5d11644 GM |
12566 | \f |
12567 | /*********************************************************************** | |
12568 | X Input Methods | |
12569 | ***********************************************************************/ | |
12570 | ||
12571 | #ifdef HAVE_X_I18N | |
12572 | ||
12573 | #ifdef HAVE_X11R6 | |
12574 | ||
12575 | /* XIM destroy callback function, which is called whenever the | |
12576 | connection to input method XIM dies. CLIENT_DATA contains a | |
12577 | pointer to the x_display_info structure corresponding to XIM. */ | |
12578 | ||
12579 | static void | |
12580 | xim_destroy_callback (xim, client_data, call_data) | |
12581 | XIM xim; | |
12582 | XPointer client_data; | |
12583 | XPointer call_data; | |
12584 | { | |
12585 | struct x_display_info *dpyinfo = (struct x_display_info *) client_data; | |
12586 | Lisp_Object frame, tail; | |
7d0393cf | 12587 | |
f5d11644 | 12588 | BLOCK_INPUT; |
7d0393cf | 12589 | |
f5d11644 GM |
12590 | /* No need to call XDestroyIC.. */ |
12591 | FOR_EACH_FRAME (tail, frame) | |
12592 | { | |
12593 | struct frame *f = XFRAME (frame); | |
12594 | if (FRAME_X_DISPLAY_INFO (f) == dpyinfo) | |
12595 | { | |
12596 | FRAME_XIC (f) = NULL; | |
12597 | if (FRAME_XIC_FONTSET (f)) | |
12598 | { | |
12599 | XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); | |
12600 | FRAME_XIC_FONTSET (f) = NULL; | |
12601 | } | |
12602 | } | |
12603 | } | |
7d0393cf | 12604 | |
f5d11644 GM |
12605 | /* No need to call XCloseIM. */ |
12606 | dpyinfo->xim = NULL; | |
12607 | XFree (dpyinfo->xim_styles); | |
12608 | UNBLOCK_INPUT; | |
12609 | } | |
12610 | ||
12611 | #endif /* HAVE_X11R6 */ | |
12612 | ||
12613 | /* Open the connection to the XIM server on display DPYINFO. | |
12614 | RESOURCE_NAME is the resource name Emacs uses. */ | |
12615 | ||
12616 | static void | |
12617 | xim_open_dpy (dpyinfo, resource_name) | |
12618 | struct x_display_info *dpyinfo; | |
12619 | char *resource_name; | |
12620 | { | |
287f7dd6 | 12621 | #ifdef USE_XIM |
f5d11644 GM |
12622 | XIM xim; |
12623 | ||
12624 | xim = XOpenIM (dpyinfo->display, dpyinfo->xrdb, resource_name, EMACS_CLASS); | |
12625 | dpyinfo->xim = xim; | |
12626 | ||
12627 | if (xim) | |
12628 | { | |
f5d11644 GM |
12629 | #ifdef HAVE_X11R6 |
12630 | XIMCallback destroy; | |
12631 | #endif | |
7d0393cf | 12632 | |
f5d11644 GM |
12633 | /* Get supported styles and XIM values. */ |
12634 | XGetIMValues (xim, XNQueryInputStyle, &dpyinfo->xim_styles, NULL); | |
7d0393cf | 12635 | |
f5d11644 GM |
12636 | #ifdef HAVE_X11R6 |
12637 | destroy.callback = xim_destroy_callback; | |
12638 | destroy.client_data = (XPointer)dpyinfo; | |
cea2ad76 | 12639 | /* This isn't prototyped in OSF 5.0. */ |
f5d11644 GM |
12640 | XSetIMValues (xim, XNDestroyCallback, &destroy, NULL); |
12641 | #endif | |
12642 | } | |
7d0393cf | 12643 | |
287f7dd6 GM |
12644 | #else /* not USE_XIM */ |
12645 | dpyinfo->xim = NULL; | |
12646 | #endif /* not USE_XIM */ | |
f5d11644 GM |
12647 | } |
12648 | ||
12649 | ||
b9de836c | 12650 | #ifdef HAVE_X11R6_XIM |
f5d11644 GM |
12651 | |
12652 | struct xim_inst_t | |
12653 | { | |
12654 | struct x_display_info *dpyinfo; | |
12655 | char *resource_name; | |
12656 | }; | |
12657 | ||
12658 | /* XIM instantiate callback function, which is called whenever an XIM | |
12659 | server is available. DISPLAY is teh display of the XIM. | |
12660 | CLIENT_DATA contains a pointer to an xim_inst_t structure created | |
12661 | when the callback was registered. */ | |
12662 | ||
12663 | static void | |
12664 | xim_instantiate_callback (display, client_data, call_data) | |
12665 | Display *display; | |
12666 | XPointer client_data; | |
12667 | XPointer call_data; | |
12668 | { | |
12669 | struct xim_inst_t *xim_inst = (struct xim_inst_t *) client_data; | |
12670 | struct x_display_info *dpyinfo = xim_inst->dpyinfo; | |
12671 | ||
12672 | /* We don't support multiple XIM connections. */ | |
12673 | if (dpyinfo->xim) | |
12674 | return; | |
7d0393cf | 12675 | |
f5d11644 GM |
12676 | xim_open_dpy (dpyinfo, xim_inst->resource_name); |
12677 | ||
12678 | /* Create XIC for the existing frames on the same display, as long | |
12679 | as they have no XIC. */ | |
12680 | if (dpyinfo->xim && dpyinfo->reference_count > 0) | |
12681 | { | |
12682 | Lisp_Object tail, frame; | |
12683 | ||
12684 | BLOCK_INPUT; | |
12685 | FOR_EACH_FRAME (tail, frame) | |
12686 | { | |
12687 | struct frame *f = XFRAME (frame); | |
7d0393cf | 12688 | |
f5d11644 GM |
12689 | if (FRAME_X_DISPLAY_INFO (f) == xim_inst->dpyinfo) |
12690 | if (FRAME_XIC (f) == NULL) | |
12691 | { | |
12692 | create_frame_xic (f); | |
12693 | if (FRAME_XIC_STYLE (f) & XIMStatusArea) | |
12694 | xic_set_statusarea (f); | |
12695 | if (FRAME_XIC_STYLE (f) & XIMPreeditPosition) | |
12696 | { | |
12697 | struct window *w = XWINDOW (f->selected_window); | |
12698 | xic_set_preeditarea (w, w->cursor.x, w->cursor.y); | |
12699 | } | |
12700 | } | |
12701 | } | |
7d0393cf | 12702 | |
f5d11644 GM |
12703 | UNBLOCK_INPUT; |
12704 | } | |
12705 | } | |
12706 | ||
b9de836c | 12707 | #endif /* HAVE_X11R6_XIM */ |
f5d11644 GM |
12708 | |
12709 | ||
12710 | /* Open a connection to the XIM server on display DPYINFO. | |
12711 | RESOURCE_NAME is the resource name for Emacs. On X11R5, open the | |
12712 | connection only at the first time. On X11R6, open the connection | |
12713 | in the XIM instantiate callback function. */ | |
12714 | ||
12715 | static void | |
12716 | xim_initialize (dpyinfo, resource_name) | |
12717 | struct x_display_info *dpyinfo; | |
12718 | char *resource_name; | |
12719 | { | |
287f7dd6 | 12720 | #ifdef USE_XIM |
b9de836c | 12721 | #ifdef HAVE_X11R6_XIM |
f5d11644 GM |
12722 | struct xim_inst_t *xim_inst; |
12723 | int len; | |
7d0393cf | 12724 | |
f5d11644 GM |
12725 | dpyinfo->xim = NULL; |
12726 | xim_inst = (struct xim_inst_t *) xmalloc (sizeof (struct xim_inst_t)); | |
12727 | xim_inst->dpyinfo = dpyinfo; | |
12728 | len = strlen (resource_name); | |
12729 | xim_inst->resource_name = (char *) xmalloc (len + 1); | |
12730 | bcopy (resource_name, xim_inst->resource_name, len + 1); | |
12731 | XRegisterIMInstantiateCallback (dpyinfo->display, dpyinfo->xrdb, | |
12732 | resource_name, EMACS_CLASS, | |
12733 | xim_instantiate_callback, | |
2ebb2f8b DL |
12734 | /* Fixme: This is XPointer in |
12735 | XFree86 but (XPointer *) on | |
12736 | Tru64, at least. */ | |
12737 | (XPointer) xim_inst); | |
b9de836c | 12738 | #else /* not HAVE_X11R6_XIM */ |
f5d11644 GM |
12739 | dpyinfo->xim = NULL; |
12740 | xim_open_dpy (dpyinfo, resource_name); | |
b9de836c | 12741 | #endif /* not HAVE_X11R6_XIM */ |
7d0393cf | 12742 | |
287f7dd6 GM |
12743 | #else /* not USE_XIM */ |
12744 | dpyinfo->xim = NULL; | |
12745 | #endif /* not USE_XIM */ | |
f5d11644 GM |
12746 | } |
12747 | ||
12748 | ||
12749 | /* Close the connection to the XIM server on display DPYINFO. */ | |
12750 | ||
12751 | static void | |
12752 | xim_close_dpy (dpyinfo) | |
12753 | struct x_display_info *dpyinfo; | |
12754 | { | |
287f7dd6 | 12755 | #ifdef USE_XIM |
b9de836c | 12756 | #ifdef HAVE_X11R6_XIM |
8a4f36cc GM |
12757 | if (dpyinfo->display) |
12758 | XUnregisterIMInstantiateCallback (dpyinfo->display, dpyinfo->xrdb, | |
12759 | NULL, EMACS_CLASS, | |
12760 | xim_instantiate_callback, NULL); | |
b9de836c | 12761 | #endif /* not HAVE_X11R6_XIM */ |
8a4f36cc GM |
12762 | if (dpyinfo->display) |
12763 | XCloseIM (dpyinfo->xim); | |
f5d11644 GM |
12764 | dpyinfo->xim = NULL; |
12765 | XFree (dpyinfo->xim_styles); | |
287f7dd6 | 12766 | #endif /* USE_XIM */ |
f5d11644 GM |
12767 | } |
12768 | ||
b9de836c | 12769 | #endif /* not HAVE_X11R6_XIM */ |
f5d11644 GM |
12770 | |
12771 | ||
dc6f92b8 | 12772 | \f |
2e365682 RS |
12773 | /* Calculate the absolute position in frame F |
12774 | from its current recorded position values and gravity. */ | |
12775 | ||
dfcf069d | 12776 | void |
43bca5d5 | 12777 | x_calc_absolute_position (f) |
f676886a | 12778 | struct frame *f; |
dc6f92b8 | 12779 | { |
06a2c219 | 12780 | Window child; |
6dba1858 | 12781 | int win_x = 0, win_y = 0; |
7556890b | 12782 | int flags = f->output_data.x->size_hint_flags; |
c81412a0 KH |
12783 | int this_window; |
12784 | ||
9829ddba RS |
12785 | /* We have nothing to do if the current position |
12786 | is already for the top-left corner. */ | |
12787 | if (! ((flags & XNegative) || (flags & YNegative))) | |
12788 | return; | |
12789 | ||
c81412a0 | 12790 | #ifdef USE_X_TOOLKIT |
7556890b | 12791 | this_window = XtWindow (f->output_data.x->widget); |
c81412a0 KH |
12792 | #else |
12793 | this_window = FRAME_X_WINDOW (f); | |
12794 | #endif | |
6dba1858 RS |
12795 | |
12796 | /* Find the position of the outside upper-left corner of | |
9829ddba RS |
12797 | the inner window, with respect to the outer window. |
12798 | But do this only if we will need the results. */ | |
7556890b | 12799 | if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
6dba1858 | 12800 | { |
9829ddba RS |
12801 | int count; |
12802 | ||
6dba1858 | 12803 | BLOCK_INPUT; |
9829ddba RS |
12804 | count = x_catch_errors (FRAME_X_DISPLAY (f)); |
12805 | while (1) | |
12806 | { | |
12807 | x_clear_errors (FRAME_X_DISPLAY (f)); | |
12808 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
12809 | ||
12810 | /* From-window, to-window. */ | |
12811 | this_window, | |
12812 | f->output_data.x->parent_desc, | |
12813 | ||
12814 | /* From-position, to-position. */ | |
12815 | 0, 0, &win_x, &win_y, | |
12816 | ||
12817 | /* Child of win. */ | |
12818 | &child); | |
12819 | if (x_had_errors_p (FRAME_X_DISPLAY (f))) | |
12820 | { | |
12821 | Window newroot, newparent = 0xdeadbeef; | |
12822 | Window *newchildren; | |
2ebb2f8b | 12823 | unsigned int nchildren; |
9829ddba RS |
12824 | |
12825 | if (! XQueryTree (FRAME_X_DISPLAY (f), this_window, &newroot, | |
12826 | &newparent, &newchildren, &nchildren)) | |
12827 | break; | |
58769bee | 12828 | |
7c3c78a3 | 12829 | XFree ((char *) newchildren); |
6dba1858 | 12830 | |
9829ddba RS |
12831 | f->output_data.x->parent_desc = newparent; |
12832 | } | |
12833 | else | |
12834 | break; | |
12835 | } | |
6dba1858 | 12836 | |
9829ddba | 12837 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); |
6dba1858 RS |
12838 | UNBLOCK_INPUT; |
12839 | } | |
12840 | ||
12841 | /* Treat negative positions as relative to the leftmost bottommost | |
12842 | position that fits on the screen. */ | |
20f55f9a | 12843 | if (flags & XNegative) |
7556890b | 12844 | f->output_data.x->left_pos = (FRAME_X_DISPLAY_INFO (f)->width |
2e365682 RS |
12845 | - 2 * f->output_data.x->border_width - win_x |
12846 | - PIXEL_WIDTH (f) | |
12847 | + f->output_data.x->left_pos); | |
dc6f92b8 | 12848 | |
7708ced0 GM |
12849 | { |
12850 | int height = PIXEL_HEIGHT (f); | |
06a2c219 | 12851 | |
7708ced0 GM |
12852 | #if defined USE_X_TOOLKIT && defined USE_MOTIF |
12853 | /* Something is fishy here. When using Motif, starting Emacs with | |
12854 | `-g -0-0', the frame appears too low by a few pixels. | |
12855 | ||
12856 | This seems to be so because initially, while Emacs is starting, | |
12857 | the column widget's height and the frame's pixel height are | |
12858 | different. The column widget's height is the right one. In | |
12859 | later invocations, when Emacs is up, the frame's pixel height | |
12860 | is right, though. | |
12861 | ||
12862 | It's not obvious where the initial small difference comes from. | |
12863 | 2000-12-01, gerd. */ | |
7d0393cf | 12864 | |
7708ced0 | 12865 | XtVaGetValues (f->output_data.x->column_widget, XtNheight, &height, NULL); |
06a2c219 | 12866 | #endif |
2e365682 | 12867 | |
7708ced0 GM |
12868 | if (flags & YNegative) |
12869 | f->output_data.x->top_pos = (FRAME_X_DISPLAY_INFO (f)->height | |
12870 | - 2 * f->output_data.x->border_width | |
12871 | - win_y | |
12872 | - height | |
12873 | + f->output_data.x->top_pos); | |
12874 | } | |
7d0393cf | 12875 | |
3a35ab44 RS |
12876 | /* The left_pos and top_pos |
12877 | are now relative to the top and left screen edges, | |
12878 | so the flags should correspond. */ | |
7556890b | 12879 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); |
dc6f92b8 JB |
12880 | } |
12881 | ||
3a35ab44 RS |
12882 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
12883 | to really change the position, and 0 when calling from | |
12884 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
aa3ff7c9 KH |
12885 | position values). It is -1 when calling from x_set_frame_parameters, |
12886 | which means, do adjust for borders but don't change the gravity. */ | |
3a35ab44 | 12887 | |
dfcf069d | 12888 | void |
dc05a16b | 12889 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 12890 | struct frame *f; |
dc6f92b8 | 12891 | register int xoff, yoff; |
dc05a16b | 12892 | int change_gravity; |
dc6f92b8 | 12893 | { |
4a4cbdd5 KH |
12894 | int modified_top, modified_left; |
12895 | ||
aa3ff7c9 | 12896 | if (change_gravity > 0) |
3a35ab44 | 12897 | { |
7556890b RS |
12898 | f->output_data.x->top_pos = yoff; |
12899 | f->output_data.x->left_pos = xoff; | |
12900 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); | |
3a35ab44 | 12901 | if (xoff < 0) |
7556890b | 12902 | f->output_data.x->size_hint_flags |= XNegative; |
3a35ab44 | 12903 | if (yoff < 0) |
7556890b RS |
12904 | f->output_data.x->size_hint_flags |= YNegative; |
12905 | f->output_data.x->win_gravity = NorthWestGravity; | |
3a35ab44 | 12906 | } |
43bca5d5 | 12907 | x_calc_absolute_position (f); |
dc6f92b8 JB |
12908 | |
12909 | BLOCK_INPUT; | |
c32cdd9a | 12910 | x_wm_set_size_hint (f, (long) 0, 0); |
3a35ab44 | 12911 | |
7556890b RS |
12912 | modified_left = f->output_data.x->left_pos; |
12913 | modified_top = f->output_data.x->top_pos; | |
e73ec6fa RS |
12914 | #if 0 /* Running on psilocin (Debian), and displaying on the NCD X-terminal, |
12915 | this seems to be unnecessary and incorrect. rms, 4/17/97. */ | |
12916 | /* It is a mystery why we need to add the border_width here | |
12917 | when the frame is already visible, but experiment says we do. */ | |
aa3ff7c9 | 12918 | if (change_gravity != 0) |
4a4cbdd5 | 12919 | { |
7556890b RS |
12920 | modified_left += f->output_data.x->border_width; |
12921 | modified_top += f->output_data.x->border_width; | |
4a4cbdd5 | 12922 | } |
e73ec6fa | 12923 | #endif |
4a4cbdd5 | 12924 | |
3afe33e7 | 12925 | #ifdef USE_X_TOOLKIT |
7556890b | 12926 | XMoveWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
4a4cbdd5 | 12927 | modified_left, modified_top); |
3afe33e7 | 12928 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 12929 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
4a4cbdd5 | 12930 | modified_left, modified_top); |
3afe33e7 | 12931 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
12932 | UNBLOCK_INPUT; |
12933 | } | |
12934 | ||
d0fa3e56 EZ |
12935 | /* Check if we need to resize the frame due to a fullscreen request. |
12936 | If so needed, resize the frame. */ | |
12937 | static void | |
12938 | x_check_fullscreen (f) | |
12939 | struct frame *f; | |
12940 | { | |
12941 | if (f->output_data.x->want_fullscreen & FULLSCREEN_BOTH) | |
12942 | { | |
12943 | int width, height, ign; | |
7d0393cf | 12944 | |
d0fa3e56 EZ |
12945 | x_real_positions (f, &f->output_data.x->left_pos, |
12946 | &f->output_data.x->top_pos); | |
12947 | ||
12948 | x_fullscreen_adjust (f, &width, &height, &ign, &ign); | |
7d0393cf | 12949 | |
d0fa3e56 EZ |
12950 | /* We do not need to move the window, it shall be taken care of |
12951 | when setting WM manager hints. | |
12952 | If the frame is visible already, the position is checked by | |
12953 | x_check_fullscreen_move. */ | |
12954 | if (f->width != width || f->height != height) | |
12955 | { | |
12956 | change_frame_size (f, height, width, 0, 1, 0); | |
12957 | SET_FRAME_GARBAGED (f); | |
12958 | cancel_mouse_face (f); | |
12959 | ||
12960 | /* Wait for the change of frame size to occur */ | |
12961 | f->output_data.x->want_fullscreen |= FULLSCREEN_WAIT; | |
7d0393cf | 12962 | |
d0fa3e56 EZ |
12963 | } |
12964 | } | |
12965 | } | |
12966 | ||
12967 | /* If frame parameters are set after the frame is mapped, we need to move | |
12968 | the window. This is done in xfns.c. | |
12969 | Some window managers moves the window to the right position, some | |
12970 | moves the outer window manager window to the specified position. | |
12971 | Here we check that we are in the right spot. If not, make a second | |
12972 | move, assuming we are dealing with the second kind of window manager. */ | |
12973 | static void | |
12974 | x_check_fullscreen_move (f) | |
12975 | struct frame *f; | |
12976 | { | |
12977 | if (f->output_data.x->want_fullscreen & FULLSCREEN_MOVE_WAIT) | |
12978 | { | |
12979 | int expect_top = f->output_data.x->top_pos; | |
12980 | int expect_left = f->output_data.x->left_pos; | |
12981 | ||
12982 | if (f->output_data.x->want_fullscreen & FULLSCREEN_HEIGHT) | |
12983 | expect_top = 0; | |
12984 | if (f->output_data.x->want_fullscreen & FULLSCREEN_WIDTH) | |
12985 | expect_left = 0; | |
7d0393cf | 12986 | |
d0fa3e56 EZ |
12987 | if (expect_top != f->output_data.x->top_pos |
12988 | || expect_left != f->output_data.x->left_pos) | |
12989 | x_set_offset (f, expect_left, expect_top, 1); | |
12990 | ||
12991 | /* Just do this once */ | |
12992 | f->output_data.x->want_fullscreen &= ~FULLSCREEN_MOVE_WAIT; | |
12993 | } | |
12994 | } | |
12995 | ||
12996 | ||
12997 | /* Calculate fullscreen size. Return in *TOP_POS and *LEFT_POS the | |
12998 | wanted positions of the WM window (not emacs window). | |
12999 | Return in *WIDTH and *HEIGHT the wanted width and height of Emacs | |
13000 | window (FRAME_X_WINDOW). | |
13001 | */ | |
13002 | void | |
13003 | x_fullscreen_adjust (f, width, height, top_pos, left_pos) | |
13004 | struct frame *f; | |
13005 | int *width; | |
13006 | int *height; | |
13007 | int *top_pos; | |
13008 | int *left_pos; | |
13009 | { | |
13010 | int newwidth = f->width, newheight = f->height; | |
13011 | ||
13012 | *top_pos = f->output_data.x->top_pos; | |
13013 | *left_pos = f->output_data.x->left_pos; | |
7d0393cf | 13014 | |
d0fa3e56 EZ |
13015 | if (f->output_data.x->want_fullscreen & FULLSCREEN_HEIGHT) |
13016 | { | |
13017 | int ph; | |
7d0393cf | 13018 | |
d0fa3e56 EZ |
13019 | ph = FRAME_X_DISPLAY_INFO (f)->height; |
13020 | newheight = PIXEL_TO_CHAR_HEIGHT (f, ph); | |
13021 | ph = CHAR_TO_PIXEL_HEIGHT (f, newheight) | |
13022 | - f->output_data.x->y_pixels_diff; | |
13023 | newheight = PIXEL_TO_CHAR_HEIGHT (f, ph); | |
13024 | *top_pos = 0; | |
13025 | } | |
13026 | ||
13027 | if (f->output_data.x->want_fullscreen & FULLSCREEN_WIDTH) | |
13028 | { | |
13029 | int pw; | |
7d0393cf | 13030 | |
d0fa3e56 EZ |
13031 | pw = FRAME_X_DISPLAY_INFO (f)->width; |
13032 | newwidth = PIXEL_TO_CHAR_WIDTH (f, pw); | |
13033 | pw = CHAR_TO_PIXEL_WIDTH (f, newwidth) | |
13034 | - f->output_data.x->x_pixels_diff; | |
13035 | newwidth = PIXEL_TO_CHAR_WIDTH (f, pw); | |
13036 | *left_pos = 0; | |
13037 | } | |
13038 | ||
13039 | *width = newwidth; | |
13040 | *height = newheight; | |
13041 | } | |
13042 | ||
dc6f92b8 | 13043 | |
499b1844 GM |
13044 | /* Change the size of frame F's X window to COLS/ROWS in the case F |
13045 | doesn't have a widget. If CHANGE_GRAVITY is 1, we change to | |
13046 | top-left-corner window gravity for this size change and subsequent | |
13047 | size changes. Otherwise we leave the window gravity unchanged. */ | |
13048 | ||
13049 | static void | |
13050 | x_set_window_size_1 (f, change_gravity, cols, rows) | |
f676886a | 13051 | struct frame *f; |
bc20ebbf | 13052 | int change_gravity; |
b1c884c3 | 13053 | int cols, rows; |
dc6f92b8 JB |
13054 | { |
13055 | int pixelwidth, pixelheight; | |
80fd1fe2 | 13056 | |
b1c884c3 | 13057 | check_frame_size (f, &rows, &cols); |
7556890b | 13058 | f->output_data.x->vertical_scroll_bar_extra |
b2cad826 KH |
13059 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
13060 | ? 0 | |
13061 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
480407eb | 13062 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
7556890b | 13063 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font))); |
976b73d7 KS |
13064 | |
13065 | x_compute_fringe_widths (f, 0); | |
13066 | ||
f451eb13 JB |
13067 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
13068 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 | 13069 | |
7556890b | 13070 | f->output_data.x->win_gravity = NorthWestGravity; |
c32cdd9a | 13071 | x_wm_set_size_hint (f, (long) 0, 0); |
6ccf47d1 | 13072 | |
334208b7 RS |
13073 | XSync (FRAME_X_DISPLAY (f), False); |
13074 | XResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
13075 | pixelwidth, pixelheight); | |
b1c884c3 JB |
13076 | |
13077 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
13078 | but the window manager will get around to dealing with the size | |
13079 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
13080 | ConfigureNotify event gets here. |
13081 | ||
13082 | We could just not bother storing any of this information here, | |
13083 | and let the ConfigureNotify event set everything up, but that | |
fddd5ceb | 13084 | might be kind of confusing to the Lisp code, since size changes |
dbc4e1c1 | 13085 | wouldn't be reported in the frame parameters until some random |
fddd5ceb RS |
13086 | point in the future when the ConfigureNotify event arrives. |
13087 | ||
13088 | We pass 1 for DELAY since we can't run Lisp code inside of | |
13089 | a BLOCK_INPUT. */ | |
7d1e984f | 13090 | change_frame_size (f, rows, cols, 0, 1, 0); |
b1c884c3 JB |
13091 | PIXEL_WIDTH (f) = pixelwidth; |
13092 | PIXEL_HEIGHT (f) = pixelheight; | |
13093 | ||
aee9a898 RS |
13094 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
13095 | receive in the ConfigureNotify event; if we get what we asked | |
13096 | for, then the event won't cause the screen to become garbaged, so | |
13097 | we have to make sure to do it here. */ | |
13098 | SET_FRAME_GARBAGED (f); | |
13099 | ||
13100 | XFlush (FRAME_X_DISPLAY (f)); | |
499b1844 GM |
13101 | } |
13102 | ||
13103 | ||
13104 | /* Call this to change the size of frame F's x-window. | |
13105 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
13106 | for this size change and subsequent size changes. | |
13107 | Otherwise we leave the window gravity unchanged. */ | |
aee9a898 | 13108 | |
499b1844 GM |
13109 | void |
13110 | x_set_window_size (f, change_gravity, cols, rows) | |
13111 | struct frame *f; | |
13112 | int change_gravity; | |
13113 | int cols, rows; | |
13114 | { | |
13115 | BLOCK_INPUT; | |
13116 | ||
13117 | #ifdef USE_X_TOOLKIT | |
7d0393cf | 13118 | |
f1f4d345 | 13119 | if (f->output_data.x->widget != NULL) |
499b1844 GM |
13120 | { |
13121 | /* The x and y position of the widget is clobbered by the | |
13122 | call to XtSetValues within EmacsFrameSetCharSize. | |
13123 | This is a real kludge, but I don't understand Xt so I can't | |
13124 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
13125 | int xpos = f->output_data.x->widget->core.x; | |
13126 | int ypos = f->output_data.x->widget->core.y; | |
13127 | EmacsFrameSetCharSize (f->output_data.x->edit_widget, cols, rows); | |
13128 | f->output_data.x->widget->core.x = xpos; | |
13129 | f->output_data.x->widget->core.y = ypos; | |
13130 | } | |
13131 | else | |
13132 | x_set_window_size_1 (f, change_gravity, cols, rows); | |
7d0393cf | 13133 | |
499b1844 | 13134 | #else /* not USE_X_TOOLKIT */ |
7d0393cf | 13135 | |
499b1844 | 13136 | x_set_window_size_1 (f, change_gravity, cols, rows); |
7d0393cf | 13137 | |
aee9a898 RS |
13138 | #endif /* not USE_X_TOOLKIT */ |
13139 | ||
4d73d038 | 13140 | /* If cursor was outside the new size, mark it as off. */ |
06a2c219 | 13141 | mark_window_cursors_off (XWINDOW (f->root_window)); |
4d73d038 | 13142 | |
aee9a898 | 13143 | /* Clear out any recollection of where the mouse highlighting was, |
7d0393cf | 13144 | since it might be in a place that's outside the new frame size. |
aee9a898 RS |
13145 | Actually checking whether it is outside is a pain in the neck, |
13146 | so don't try--just let the highlighting be done afresh with new size. */ | |
e687d06e | 13147 | cancel_mouse_face (f); |
dbc4e1c1 | 13148 | |
dc6f92b8 JB |
13149 | UNBLOCK_INPUT; |
13150 | } | |
dc6f92b8 | 13151 | \f |
d047c4eb | 13152 | /* Mouse warping. */ |
dc6f92b8 | 13153 | |
9b378208 | 13154 | void |
f676886a JB |
13155 | x_set_mouse_position (f, x, y) |
13156 | struct frame *f; | |
dc6f92b8 JB |
13157 | int x, y; |
13158 | { | |
13159 | int pix_x, pix_y; | |
13160 | ||
7556890b RS |
13161 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.x->font) / 2; |
13162 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.x->line_height / 2; | |
f451eb13 JB |
13163 | |
13164 | if (pix_x < 0) pix_x = 0; | |
13165 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
13166 | ||
13167 | if (pix_y < 0) pix_y = 0; | |
13168 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
13169 | |
13170 | BLOCK_INPUT; | |
dc6f92b8 | 13171 | |
334208b7 RS |
13172 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
13173 | 0, 0, 0, 0, pix_x, pix_y); | |
dc6f92b8 JB |
13174 | UNBLOCK_INPUT; |
13175 | } | |
13176 | ||
9b378208 RS |
13177 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
13178 | ||
13179 | void | |
13180 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
13181 | struct frame *f; | |
13182 | int pix_x, pix_y; | |
13183 | { | |
13184 | BLOCK_INPUT; | |
13185 | ||
334208b7 RS |
13186 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
13187 | 0, 0, 0, 0, pix_x, pix_y); | |
9b378208 RS |
13188 | UNBLOCK_INPUT; |
13189 | } | |
d047c4eb KH |
13190 | \f |
13191 | /* focus shifting, raising and lowering. */ | |
9b378208 | 13192 | |
dfcf069d | 13193 | void |
f676886a JB |
13194 | x_focus_on_frame (f) |
13195 | struct frame *f; | |
dc6f92b8 | 13196 | { |
1fb20991 | 13197 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 13198 | x_raise_frame (f); |
1fb20991 | 13199 | #endif |
6d4238f3 JB |
13200 | #if 0 |
13201 | /* I don't think that the ICCCM allows programs to do things like this | |
13202 | without the interaction of the window manager. Whatever you end up | |
f676886a | 13203 | doing with this code, do it to x_unfocus_frame too. */ |
334208b7 | 13204 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dc6f92b8 | 13205 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 13206 | #endif /* ! 0 */ |
dc6f92b8 JB |
13207 | } |
13208 | ||
dfcf069d | 13209 | void |
f676886a JB |
13210 | x_unfocus_frame (f) |
13211 | struct frame *f; | |
dc6f92b8 | 13212 | { |
6d4238f3 | 13213 | #if 0 |
f676886a | 13214 | /* Look at the remarks in x_focus_on_frame. */ |
0f941935 | 13215 | if (FRAME_X_DISPLAY_INFO (f)->x_focus_frame == f) |
334208b7 | 13216 | XSetInputFocus (FRAME_X_DISPLAY (f), PointerRoot, |
dc6f92b8 | 13217 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 13218 | #endif /* ! 0 */ |
dc6f92b8 JB |
13219 | } |
13220 | ||
f676886a | 13221 | /* Raise frame F. */ |
dc6f92b8 | 13222 | |
dfcf069d | 13223 | void |
f676886a JB |
13224 | x_raise_frame (f) |
13225 | struct frame *f; | |
dc6f92b8 | 13226 | { |
3a88c238 | 13227 | if (f->async_visible) |
dc6f92b8 JB |
13228 | { |
13229 | BLOCK_INPUT; | |
3afe33e7 | 13230 | #ifdef USE_X_TOOLKIT |
7556890b | 13231 | XRaiseWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget)); |
3afe33e7 | 13232 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 13233 | XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 13234 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 13235 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
13236 | UNBLOCK_INPUT; |
13237 | } | |
13238 | } | |
13239 | ||
f676886a | 13240 | /* Lower frame F. */ |
dc6f92b8 | 13241 | |
dfcf069d | 13242 | void |
f676886a JB |
13243 | x_lower_frame (f) |
13244 | struct frame *f; | |
dc6f92b8 | 13245 | { |
3a88c238 | 13246 | if (f->async_visible) |
dc6f92b8 JB |
13247 | { |
13248 | BLOCK_INPUT; | |
3afe33e7 | 13249 | #ifdef USE_X_TOOLKIT |
7556890b | 13250 | XLowerWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget)); |
3afe33e7 | 13251 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 13252 | XLowerWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 13253 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 13254 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
13255 | UNBLOCK_INPUT; |
13256 | } | |
13257 | } | |
13258 | ||
dbc4e1c1 | 13259 | static void |
6b0442dc | 13260 | XTframe_raise_lower (f, raise_flag) |
dbc4e1c1 | 13261 | FRAME_PTR f; |
6b0442dc | 13262 | int raise_flag; |
dbc4e1c1 | 13263 | { |
6b0442dc | 13264 | if (raise_flag) |
dbc4e1c1 JB |
13265 | x_raise_frame (f); |
13266 | else | |
13267 | x_lower_frame (f); | |
13268 | } | |
d047c4eb KH |
13269 | \f |
13270 | /* Change of visibility. */ | |
dc6f92b8 | 13271 | |
9382638d KH |
13272 | /* This tries to wait until the frame is really visible. |
13273 | However, if the window manager asks the user where to position | |
13274 | the frame, this will return before the user finishes doing that. | |
13275 | The frame will not actually be visible at that time, | |
13276 | but it will become visible later when the window manager | |
13277 | finishes with it. */ | |
13278 | ||
dfcf069d | 13279 | void |
f676886a JB |
13280 | x_make_frame_visible (f) |
13281 | struct frame *f; | |
dc6f92b8 | 13282 | { |
990ba854 | 13283 | Lisp_Object type; |
1aa6072f | 13284 | int original_top, original_left; |
31be9251 GM |
13285 | int retry_count = 2; |
13286 | ||
13287 | retry: | |
dc6f92b8 | 13288 | |
dc6f92b8 | 13289 | BLOCK_INPUT; |
dc6f92b8 | 13290 | |
990ba854 RS |
13291 | type = x_icon_type (f); |
13292 | if (!NILP (type)) | |
13293 | x_bitmap_icon (f, type); | |
bdcd49ba | 13294 | |
f676886a | 13295 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 | 13296 | { |
1aa6072f RS |
13297 | /* We test FRAME_GARBAGED_P here to make sure we don't |
13298 | call x_set_offset a second time | |
13299 | if we get to x_make_frame_visible a second time | |
13300 | before the window gets really visible. */ | |
13301 | if (! FRAME_ICONIFIED_P (f) | |
13302 | && ! f->output_data.x->asked_for_visible) | |
13303 | x_set_offset (f, f->output_data.x->left_pos, f->output_data.x->top_pos, 0); | |
13304 | ||
13305 | f->output_data.x->asked_for_visible = 1; | |
13306 | ||
90e65f07 | 13307 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 13308 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 13309 | #ifdef USE_X_TOOLKIT |
d7a38a2e | 13310 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
7556890b | 13311 | XtMapWidget (f->output_data.x->widget); |
3afe33e7 | 13312 | #else /* not USE_X_TOOLKIT */ |
7f9c7f94 | 13313 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 13314 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
13315 | #if 0 /* This seems to bring back scroll bars in the wrong places |
13316 | if the window configuration has changed. They seem | |
13317 | to come back ok without this. */ | |
ab648270 | 13318 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 13319 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 13320 | #endif |
90e65f07 | 13321 | } |
dc6f92b8 | 13322 | |
334208b7 | 13323 | XFlush (FRAME_X_DISPLAY (f)); |
90e65f07 | 13324 | |
0dacf791 RS |
13325 | /* Synchronize to ensure Emacs knows the frame is visible |
13326 | before we do anything else. We do this loop with input not blocked | |
13327 | so that incoming events are handled. */ | |
13328 | { | |
13329 | Lisp_Object frame; | |
12ce2351 | 13330 | int count; |
28c01ffe RS |
13331 | /* This must be before UNBLOCK_INPUT |
13332 | since events that arrive in response to the actions above | |
13333 | will set it when they are handled. */ | |
13334 | int previously_visible = f->output_data.x->has_been_visible; | |
1aa6072f RS |
13335 | |
13336 | original_left = f->output_data.x->left_pos; | |
13337 | original_top = f->output_data.x->top_pos; | |
c0a04927 RS |
13338 | |
13339 | /* This must come after we set COUNT. */ | |
13340 | UNBLOCK_INPUT; | |
13341 | ||
2745e6c4 | 13342 | /* We unblock here so that arriving X events are processed. */ |
1aa6072f | 13343 | |
dcb07ae9 RS |
13344 | /* Now move the window back to where it was "supposed to be". |
13345 | But don't do it if the gravity is negative. | |
13346 | When the gravity is negative, this uses a position | |
28c01ffe RS |
13347 | that is 3 pixels too low. Perhaps that's really the border width. |
13348 | ||
13349 | Don't do this if the window has never been visible before, | |
13350 | because the window manager may choose the position | |
13351 | and we don't want to override it. */ | |
1aa6072f | 13352 | |
4d3f5d9a | 13353 | if (! FRAME_VISIBLE_P (f) && ! FRAME_ICONIFIED_P (f) |
06c488fd | 13354 | && f->output_data.x->win_gravity == NorthWestGravity |
28c01ffe | 13355 | && previously_visible) |
1aa6072f | 13356 | { |
2745e6c4 RS |
13357 | Drawable rootw; |
13358 | int x, y; | |
13359 | unsigned int width, height, border, depth; | |
7d0393cf | 13360 | |
1aa6072f | 13361 | BLOCK_INPUT; |
9829ddba | 13362 | |
06a2c219 GM |
13363 | /* On some window managers (such as FVWM) moving an existing |
13364 | window, even to the same place, causes the window manager | |
13365 | to introduce an offset. This can cause the window to move | |
13366 | to an unexpected location. Check the geometry (a little | |
13367 | slow here) and then verify that the window is in the right | |
13368 | place. If the window is not in the right place, move it | |
13369 | there, and take the potential window manager hit. */ | |
2745e6c4 RS |
13370 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), |
13371 | &rootw, &x, &y, &width, &height, &border, &depth); | |
13372 | ||
13373 | if (original_left != x || original_top != y) | |
13374 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), | |
13375 | original_left, original_top); | |
13376 | ||
1aa6072f RS |
13377 | UNBLOCK_INPUT; |
13378 | } | |
9829ddba | 13379 | |
e0c1aef2 | 13380 | XSETFRAME (frame, f); |
c0a04927 | 13381 | |
12ce2351 GM |
13382 | /* Wait until the frame is visible. Process X events until a |
13383 | MapNotify event has been seen, or until we think we won't get a | |
13384 | MapNotify at all.. */ | |
13385 | for (count = input_signal_count + 10; | |
13386 | input_signal_count < count && !FRAME_VISIBLE_P (f);) | |
2a6cf806 | 13387 | { |
12ce2351 | 13388 | /* Force processing of queued events. */ |
334208b7 | 13389 | x_sync (f); |
12ce2351 GM |
13390 | |
13391 | /* Machines that do polling rather than SIGIO have been | |
13392 | observed to go into a busy-wait here. So we'll fake an | |
13393 | alarm signal to let the handler know that there's something | |
13394 | to be read. We used to raise a real alarm, but it seems | |
13395 | that the handler isn't always enabled here. This is | |
13396 | probably a bug. */ | |
8b2f8d4e | 13397 | if (input_polling_used ()) |
3b2fa4e6 | 13398 | { |
12ce2351 GM |
13399 | /* It could be confusing if a real alarm arrives while |
13400 | processing the fake one. Turn it off and let the | |
13401 | handler reset it. */ | |
3e71d8f2 | 13402 | extern void poll_for_input_1 P_ ((void)); |
bffcfca9 GM |
13403 | int old_poll_suppress_count = poll_suppress_count; |
13404 | poll_suppress_count = 1; | |
13405 | poll_for_input_1 (); | |
13406 | poll_suppress_count = old_poll_suppress_count; | |
3b2fa4e6 | 13407 | } |
12ce2351 GM |
13408 | |
13409 | /* See if a MapNotify event has been processed. */ | |
13410 | FRAME_SAMPLE_VISIBILITY (f); | |
2a6cf806 | 13411 | } |
31be9251 GM |
13412 | |
13413 | /* 2000-09-28: In | |
13414 | ||
13415 | (let ((f (selected-frame))) | |
13416 | (iconify-frame f) | |
13417 | (raise-frame f)) | |
13418 | ||
13419 | the frame is not raised with various window managers on | |
13420 | FreeBSD, Linux and Solaris. It turns out that, for some | |
13421 | unknown reason, the call to XtMapWidget is completely ignored. | |
13422 | Mapping the widget a second time works. */ | |
7d0393cf | 13423 | |
31be9251 GM |
13424 | if (!FRAME_VISIBLE_P (f) && --retry_count > 0) |
13425 | goto retry; | |
0dacf791 | 13426 | } |
dc6f92b8 JB |
13427 | } |
13428 | ||
06a2c219 | 13429 | /* Change from mapped state to withdrawn state. */ |
dc6f92b8 | 13430 | |
d047c4eb KH |
13431 | /* Make the frame visible (mapped and not iconified). */ |
13432 | ||
dfcf069d | 13433 | void |
f676886a JB |
13434 | x_make_frame_invisible (f) |
13435 | struct frame *f; | |
dc6f92b8 | 13436 | { |
546e6d5b RS |
13437 | Window window; |
13438 | ||
13439 | #ifdef USE_X_TOOLKIT | |
13440 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
7556890b | 13441 | window = XtWindow (f->output_data.x->widget); |
546e6d5b RS |
13442 | #else /* not USE_X_TOOLKIT */ |
13443 | window = FRAME_X_WINDOW (f); | |
13444 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 13445 | |
9319ae23 | 13446 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
13447 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
13448 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 13449 | |
5627c40e | 13450 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 13451 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 13452 | return; |
5627c40e | 13453 | #endif |
dc6f92b8 JB |
13454 | |
13455 | BLOCK_INPUT; | |
c118dd06 | 13456 | |
af31d76f RS |
13457 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
13458 | that the current position of the window is user-specified, rather than | |
13459 | program-specified, so that when the window is mapped again, it will be | |
13460 | placed at the same location, without forcing the user to position it | |
13461 | by hand again (they have already done that once for this window.) */ | |
c32cdd9a | 13462 | x_wm_set_size_hint (f, (long) 0, 1); |
af31d76f | 13463 | |
c118dd06 JB |
13464 | #ifdef HAVE_X11R4 |
13465 | ||
334208b7 RS |
13466 | if (! XWithdrawWindow (FRAME_X_DISPLAY (f), window, |
13467 | DefaultScreen (FRAME_X_DISPLAY (f)))) | |
c118dd06 JB |
13468 | { |
13469 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 13470 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 13471 | } |
c118dd06 | 13472 | #else /* ! defined (HAVE_X11R4) */ |
16bd92ea | 13473 | |
c118dd06 | 13474 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
13475 | if (! EQ (Vx_no_window_manager, Qt)) |
13476 | { | |
16bd92ea | 13477 | XEvent unmap; |
dc6f92b8 | 13478 | |
16bd92ea | 13479 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 13480 | unmap.xunmap.window = window; |
334208b7 | 13481 | unmap.xunmap.event = DefaultRootWindow (FRAME_X_DISPLAY (f)); |
16bd92ea | 13482 | unmap.xunmap.from_configure = False; |
334208b7 RS |
13483 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
13484 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea | 13485 | False, |
06a2c219 | 13486 | SubstructureRedirectMaskSubstructureNotifyMask, |
16bd92ea JB |
13487 | &unmap)) |
13488 | { | |
13489 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 13490 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 13491 | } |
dc6f92b8 JB |
13492 | } |
13493 | ||
16bd92ea | 13494 | /* Unmap the window ourselves. Cheeky! */ |
334208b7 | 13495 | XUnmapWindow (FRAME_X_DISPLAY (f), window); |
c118dd06 | 13496 | #endif /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 13497 | |
5627c40e RS |
13498 | /* We can't distinguish this from iconification |
13499 | just by the event that we get from the server. | |
13500 | So we can't win using the usual strategy of letting | |
13501 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
13502 | and synchronize with the server to make sure we agree. */ | |
13503 | f->visible = 0; | |
13504 | FRAME_ICONIFIED_P (f) = 0; | |
13505 | f->async_visible = 0; | |
13506 | f->async_iconified = 0; | |
13507 | ||
334208b7 | 13508 | x_sync (f); |
5627c40e | 13509 | |
dc6f92b8 JB |
13510 | UNBLOCK_INPUT; |
13511 | } | |
13512 | ||
06a2c219 | 13513 | /* Change window state from mapped to iconified. */ |
dc6f92b8 | 13514 | |
dfcf069d | 13515 | void |
f676886a JB |
13516 | x_iconify_frame (f) |
13517 | struct frame *f; | |
dc6f92b8 | 13518 | { |
3afe33e7 | 13519 | int result; |
990ba854 | 13520 | Lisp_Object type; |
dc6f92b8 | 13521 | |
9319ae23 | 13522 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
13523 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
13524 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 13525 | |
3a88c238 | 13526 | if (f->async_iconified) |
dc6f92b8 JB |
13527 | return; |
13528 | ||
3afe33e7 | 13529 | BLOCK_INPUT; |
546e6d5b | 13530 | |
9af3143a RS |
13531 | FRAME_SAMPLE_VISIBILITY (f); |
13532 | ||
990ba854 RS |
13533 | type = x_icon_type (f); |
13534 | if (!NILP (type)) | |
13535 | x_bitmap_icon (f, type); | |
bdcd49ba RS |
13536 | |
13537 | #ifdef USE_X_TOOLKIT | |
13538 | ||
546e6d5b RS |
13539 | if (! FRAME_VISIBLE_P (f)) |
13540 | { | |
13541 | if (! EQ (Vx_no_window_manager, Qt)) | |
13542 | x_wm_set_window_state (f, IconicState); | |
13543 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
7556890b | 13544 | XtMapWidget (f->output_data.x->widget); |
9cf30a30 RS |
13545 | /* The server won't give us any event to indicate |
13546 | that an invisible frame was changed to an icon, | |
13547 | so we have to record it here. */ | |
13548 | f->iconified = 1; | |
1e6bc770 | 13549 | f->visible = 1; |
9cf30a30 | 13550 | f->async_iconified = 1; |
1e6bc770 | 13551 | f->async_visible = 0; |
546e6d5b RS |
13552 | UNBLOCK_INPUT; |
13553 | return; | |
13554 | } | |
13555 | ||
334208b7 | 13556 | result = XIconifyWindow (FRAME_X_DISPLAY (f), |
7556890b | 13557 | XtWindow (f->output_data.x->widget), |
334208b7 | 13558 | DefaultScreen (FRAME_X_DISPLAY (f))); |
3afe33e7 RS |
13559 | UNBLOCK_INPUT; |
13560 | ||
13561 | if (!result) | |
546e6d5b | 13562 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
13563 | |
13564 | f->async_iconified = 1; | |
1e6bc770 RS |
13565 | f->async_visible = 0; |
13566 | ||
8c002a25 KH |
13567 | |
13568 | BLOCK_INPUT; | |
334208b7 | 13569 | XFlush (FRAME_X_DISPLAY (f)); |
8c002a25 | 13570 | UNBLOCK_INPUT; |
3afe33e7 RS |
13571 | #else /* not USE_X_TOOLKIT */ |
13572 | ||
fd13dbb2 RS |
13573 | /* Make sure the X server knows where the window should be positioned, |
13574 | in case the user deiconifies with the window manager. */ | |
13575 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
7556890b | 13576 | x_set_offset (f, f->output_data.x->left_pos, f->output_data.x->top_pos, 0); |
fd13dbb2 | 13577 | |
16bd92ea JB |
13578 | /* Since we don't know which revision of X we're running, we'll use both |
13579 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
13580 | ||
13581 | /* X11R4: send a ClientMessage to the window manager using the | |
13582 | WM_CHANGE_STATE type. */ | |
13583 | { | |
13584 | XEvent message; | |
58769bee | 13585 | |
c118dd06 | 13586 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea | 13587 | message.xclient.type = ClientMessage; |
334208b7 | 13588 | message.xclient.message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_change_state; |
16bd92ea JB |
13589 | message.xclient.format = 32; |
13590 | message.xclient.data.l[0] = IconicState; | |
13591 | ||
334208b7 RS |
13592 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
13593 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
13594 | False, |
13595 | SubstructureRedirectMask | SubstructureNotifyMask, | |
13596 | &message)) | |
dc6f92b8 JB |
13597 | { |
13598 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 13599 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 13600 | } |
16bd92ea | 13601 | } |
dc6f92b8 | 13602 | |
58769bee | 13603 | /* X11R3: set the initial_state field of the window manager hints to |
16bd92ea JB |
13604 | IconicState. */ |
13605 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 13606 | |
a9c00105 RS |
13607 | if (!FRAME_VISIBLE_P (f)) |
13608 | { | |
13609 | /* If the frame was withdrawn, before, we must map it. */ | |
7f9c7f94 | 13610 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
a9c00105 RS |
13611 | } |
13612 | ||
3a88c238 | 13613 | f->async_iconified = 1; |
1e6bc770 | 13614 | f->async_visible = 0; |
dc6f92b8 | 13615 | |
334208b7 | 13616 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 13617 | UNBLOCK_INPUT; |
8c002a25 | 13618 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 13619 | } |
19f71add | 13620 | |
d047c4eb | 13621 | \f |
19f71add | 13622 | /* Free X resources of frame F. */ |
dc6f92b8 | 13623 | |
dfcf069d | 13624 | void |
19f71add | 13625 | x_free_frame_resources (f) |
f676886a | 13626 | struct frame *f; |
dc6f92b8 | 13627 | { |
7f9c7f94 | 13628 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
c6ea2775 EZ |
13629 | Lisp_Object bar; |
13630 | struct scroll_bar *b; | |
7f9c7f94 | 13631 | |
dc6f92b8 | 13632 | BLOCK_INPUT; |
c0ff3fab | 13633 | |
6186a4a0 RS |
13634 | /* If a display connection is dead, don't try sending more |
13635 | commands to the X server. */ | |
19f71add | 13636 | if (dpyinfo->display) |
6186a4a0 | 13637 | { |
19f71add | 13638 | if (f->output_data.x->icon_desc) |
6186a4a0 | 13639 | XDestroyWindow (FRAME_X_DISPLAY (f), f->output_data.x->icon_desc); |
c6ea2775 EZ |
13640 | |
13641 | #ifdef USE_X_TOOLKIT | |
13642 | /* Explicitly destroy the scroll bars of the frame. Without | |
13643 | this, we get "BadDrawable" errors from the toolkit later on, | |
13644 | presumably from expose events generated for the disappearing | |
13645 | toolkit scroll bars. */ | |
13646 | for (bar = FRAME_SCROLL_BARS (f); !NILP (bar); bar = b->next) | |
13647 | { | |
13648 | b = XSCROLL_BAR (bar); | |
13649 | x_scroll_bar_remove (b); | |
13650 | } | |
13651 | #endif | |
13652 | ||
31f41daf | 13653 | #ifdef HAVE_X_I18N |
f5d11644 GM |
13654 | if (FRAME_XIC (f)) |
13655 | free_frame_xic (f); | |
31f41daf | 13656 | #endif |
c6ea2775 | 13657 | |
3afe33e7 | 13658 | #ifdef USE_X_TOOLKIT |
06a2c219 | 13659 | if (f->output_data.x->widget) |
30ca89f5 GM |
13660 | { |
13661 | XtDestroyWidget (f->output_data.x->widget); | |
13662 | f->output_data.x->widget = NULL; | |
13663 | } | |
c6ea2775 EZ |
13664 | /* Tooltips don't have widgets, only a simple X window, even if |
13665 | we are using a toolkit. */ | |
13666 | else if (FRAME_X_WINDOW (f)) | |
13667 | XDestroyWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); | |
13668 | ||
6186a4a0 | 13669 | free_frame_menubar (f); |
c6ea2775 EZ |
13670 | #else /* !USE_X_TOOLKIT */ |
13671 | if (FRAME_X_WINDOW (f)) | |
13672 | XDestroyWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); | |
13673 | #endif /* !USE_X_TOOLKIT */ | |
3afe33e7 | 13674 | |
3e71d8f2 GM |
13675 | unload_color (f, f->output_data.x->foreground_pixel); |
13676 | unload_color (f, f->output_data.x->background_pixel); | |
13677 | unload_color (f, f->output_data.x->cursor_pixel); | |
13678 | unload_color (f, f->output_data.x->cursor_foreground_pixel); | |
13679 | unload_color (f, f->output_data.x->border_pixel); | |
13680 | unload_color (f, f->output_data.x->mouse_pixel); | |
c6ea2775 | 13681 | |
3e71d8f2 GM |
13682 | if (f->output_data.x->scroll_bar_background_pixel != -1) |
13683 | unload_color (f, f->output_data.x->scroll_bar_background_pixel); | |
13684 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) | |
13685 | unload_color (f, f->output_data.x->scroll_bar_foreground_pixel); | |
7c1bef7a MB |
13686 | #ifdef USE_TOOLKIT_SCROLL_BARS |
13687 | /* Scrollbar shadow colors. */ | |
13688 | if (f->output_data.x->scroll_bar_top_shadow_pixel != -1) | |
13689 | unload_color (f, f->output_data.x->scroll_bar_top_shadow_pixel); | |
13690 | if (f->output_data.x->scroll_bar_bottom_shadow_pixel != -1) | |
13691 | unload_color (f, f->output_data.x->scroll_bar_bottom_shadow_pixel); | |
13692 | #endif /* USE_TOOLKIT_SCROLL_BARS */ | |
3e71d8f2 GM |
13693 | if (f->output_data.x->white_relief.allocated_p) |
13694 | unload_color (f, f->output_data.x->white_relief.pixel); | |
13695 | if (f->output_data.x->black_relief.allocated_p) | |
13696 | unload_color (f, f->output_data.x->black_relief.pixel); | |
4ca78676 | 13697 | |
19f71add GM |
13698 | if (FRAME_FACE_CACHE (f)) |
13699 | free_frame_faces (f); | |
7d0393cf | 13700 | |
4ca78676 | 13701 | x_free_gcs (f); |
6186a4a0 RS |
13702 | XFlush (FRAME_X_DISPLAY (f)); |
13703 | } | |
dc6f92b8 | 13704 | |
df89d8a4 | 13705 | if (f->output_data.x->saved_menu_event) |
06a2c219 | 13706 | xfree (f->output_data.x->saved_menu_event); |
0c49ce2f | 13707 | |
7556890b | 13708 | xfree (f->output_data.x); |
19f71add | 13709 | f->output_data.x = NULL; |
7d0393cf | 13710 | |
0f941935 KH |
13711 | if (f == dpyinfo->x_focus_frame) |
13712 | dpyinfo->x_focus_frame = 0; | |
13713 | if (f == dpyinfo->x_focus_event_frame) | |
13714 | dpyinfo->x_focus_event_frame = 0; | |
13715 | if (f == dpyinfo->x_highlight_frame) | |
13716 | dpyinfo->x_highlight_frame = 0; | |
c0ff3fab | 13717 | |
7f9c7f94 | 13718 | if (f == dpyinfo->mouse_face_mouse_frame) |
dc05a16b | 13719 | { |
7f9c7f94 RS |
13720 | dpyinfo->mouse_face_beg_row |
13721 | = dpyinfo->mouse_face_beg_col = -1; | |
13722 | dpyinfo->mouse_face_end_row | |
13723 | = dpyinfo->mouse_face_end_col = -1; | |
13724 | dpyinfo->mouse_face_window = Qnil; | |
21323706 RS |
13725 | dpyinfo->mouse_face_deferred_gc = 0; |
13726 | dpyinfo->mouse_face_mouse_frame = 0; | |
dc05a16b | 13727 | } |
0134a210 | 13728 | |
c0ff3fab | 13729 | UNBLOCK_INPUT; |
dc6f92b8 | 13730 | } |
19f71add GM |
13731 | |
13732 | ||
13733 | /* Destroy the X window of frame F. */ | |
13734 | ||
13735 | void | |
13736 | x_destroy_window (f) | |
13737 | struct frame *f; | |
13738 | { | |
13739 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
13740 | ||
13741 | /* If a display connection is dead, don't try sending more | |
13742 | commands to the X server. */ | |
13743 | if (dpyinfo->display != 0) | |
13744 | x_free_frame_resources (f); | |
13745 | ||
13746 | dpyinfo->reference_count--; | |
13747 | } | |
13748 | ||
dc6f92b8 | 13749 | \f |
f451eb13 JB |
13750 | /* Setting window manager hints. */ |
13751 | ||
af31d76f RS |
13752 | /* Set the normal size hints for the window manager, for frame F. |
13753 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
13754 | that the window now has. | |
13755 | If USER_POSITION is nonzero, we set the USPosition | |
13756 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 13757 | |
dfcf069d | 13758 | void |
af31d76f | 13759 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 13760 | struct frame *f; |
af31d76f RS |
13761 | long flags; |
13762 | int user_position; | |
dc6f92b8 JB |
13763 | { |
13764 | XSizeHints size_hints; | |
3afe33e7 RS |
13765 | |
13766 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
13767 | Arg al[2]; |
13768 | int ac = 0; | |
13769 | Dimension widget_width, widget_height; | |
7556890b | 13770 | Window window = XtWindow (f->output_data.x->widget); |
3afe33e7 | 13771 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 13772 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 13773 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 13774 | |
b72a58fd RS |
13775 | /* Setting PMaxSize caused various problems. */ |
13776 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 13777 | |
7556890b RS |
13778 | size_hints.x = f->output_data.x->left_pos; |
13779 | size_hints.y = f->output_data.x->top_pos; | |
7553a6b7 | 13780 | |
7e4f2521 FP |
13781 | #ifdef USE_X_TOOLKIT |
13782 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
13783 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
7556890b | 13784 | XtGetValues (f->output_data.x->widget, al, ac); |
7e4f2521 FP |
13785 | size_hints.height = widget_height; |
13786 | size_hints.width = widget_width; | |
13787 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
13788 | size_hints.height = PIXEL_HEIGHT (f); |
13789 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 13790 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 13791 | |
7556890b RS |
13792 | size_hints.width_inc = FONT_WIDTH (f->output_data.x->font); |
13793 | size_hints.height_inc = f->output_data.x->line_height; | |
334208b7 RS |
13794 | size_hints.max_width |
13795 | = FRAME_X_DISPLAY_INFO (f)->width - CHAR_TO_PIXEL_WIDTH (f, 0); | |
13796 | size_hints.max_height | |
13797 | = FRAME_X_DISPLAY_INFO (f)->height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 13798 | |
d067ea8b KH |
13799 | /* Calculate the base and minimum sizes. |
13800 | ||
13801 | (When we use the X toolkit, we don't do it here. | |
13802 | Instead we copy the values that the widgets are using, below.) */ | |
13803 | #ifndef USE_X_TOOLKIT | |
b1c884c3 | 13804 | { |
b0342f17 | 13805 | int base_width, base_height; |
0134a210 | 13806 | int min_rows = 0, min_cols = 0; |
b0342f17 | 13807 | |
f451eb13 JB |
13808 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
13809 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 13810 | |
0134a210 | 13811 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 13812 | |
0134a210 RS |
13813 | /* The window manager uses the base width hints to calculate the |
13814 | current number of rows and columns in the frame while | |
13815 | resizing; min_width and min_height aren't useful for this | |
13816 | purpose, since they might not give the dimensions for a | |
13817 | zero-row, zero-column frame. | |
58769bee | 13818 | |
0134a210 RS |
13819 | We use the base_width and base_height members if we have |
13820 | them; otherwise, we set the min_width and min_height members | |
13821 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
13822 | |
13823 | #ifdef HAVE_X11R4 | |
0134a210 RS |
13824 | size_hints.flags |= PBaseSize; |
13825 | size_hints.base_width = base_width; | |
13826 | size_hints.base_height = base_height; | |
13827 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
13828 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 13829 | #else |
0134a210 RS |
13830 | size_hints.min_width = base_width; |
13831 | size_hints.min_height = base_height; | |
b0342f17 | 13832 | #endif |
b1c884c3 | 13833 | } |
dc6f92b8 | 13834 | |
d067ea8b | 13835 | /* If we don't need the old flags, we don't need the old hint at all. */ |
af31d76f | 13836 | if (flags) |
dc6f92b8 | 13837 | { |
d067ea8b KH |
13838 | size_hints.flags |= flags; |
13839 | goto no_read; | |
13840 | } | |
13841 | #endif /* not USE_X_TOOLKIT */ | |
13842 | ||
13843 | { | |
13844 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
13845 | long supplied_return; | |
13846 | int value; | |
af31d76f RS |
13847 | |
13848 | #ifdef HAVE_X11R4 | |
d067ea8b KH |
13849 | value = XGetWMNormalHints (FRAME_X_DISPLAY (f), window, &hints, |
13850 | &supplied_return); | |
af31d76f | 13851 | #else |
d067ea8b | 13852 | value = XGetNormalHints (FRAME_X_DISPLAY (f), window, &hints); |
af31d76f | 13853 | #endif |
58769bee | 13854 | |
d067ea8b KH |
13855 | #ifdef USE_X_TOOLKIT |
13856 | size_hints.base_height = hints.base_height; | |
13857 | size_hints.base_width = hints.base_width; | |
13858 | size_hints.min_height = hints.min_height; | |
13859 | size_hints.min_width = hints.min_width; | |
13860 | #endif | |
13861 | ||
13862 | if (flags) | |
13863 | size_hints.flags |= flags; | |
13864 | else | |
13865 | { | |
13866 | if (value == 0) | |
13867 | hints.flags = 0; | |
13868 | if (hints.flags & PSize) | |
13869 | size_hints.flags |= PSize; | |
13870 | if (hints.flags & PPosition) | |
13871 | size_hints.flags |= PPosition; | |
13872 | if (hints.flags & USPosition) | |
13873 | size_hints.flags |= USPosition; | |
13874 | if (hints.flags & USSize) | |
13875 | size_hints.flags |= USSize; | |
13876 | } | |
13877 | } | |
13878 | ||
06a2c219 | 13879 | #ifndef USE_X_TOOLKIT |
d067ea8b | 13880 | no_read: |
06a2c219 | 13881 | #endif |
0134a210 | 13882 | |
af31d76f | 13883 | #ifdef PWinGravity |
7556890b | 13884 | size_hints.win_gravity = f->output_data.x->win_gravity; |
af31d76f | 13885 | size_hints.flags |= PWinGravity; |
dc05a16b | 13886 | |
af31d76f | 13887 | if (user_position) |
6dba1858 | 13888 | { |
af31d76f RS |
13889 | size_hints.flags &= ~ PPosition; |
13890 | size_hints.flags |= USPosition; | |
6dba1858 | 13891 | } |
2554751d | 13892 | #endif /* PWinGravity */ |
6dba1858 | 13893 | |
b0342f17 | 13894 | #ifdef HAVE_X11R4 |
334208b7 | 13895 | XSetWMNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 13896 | #else |
334208b7 | 13897 | XSetNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 13898 | #endif |
dc6f92b8 JB |
13899 | } |
13900 | ||
13901 | /* Used for IconicState or NormalState */ | |
06a2c219 | 13902 | |
dfcf069d | 13903 | void |
f676886a JB |
13904 | x_wm_set_window_state (f, state) |
13905 | struct frame *f; | |
dc6f92b8 JB |
13906 | int state; |
13907 | { | |
3afe33e7 | 13908 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
13909 | Arg al[1]; |
13910 | ||
13911 | XtSetArg (al[0], XtNinitialState, state); | |
7556890b | 13912 | XtSetValues (f->output_data.x->widget, al, 1); |
3afe33e7 | 13913 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 13914 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 13915 | |
7556890b RS |
13916 | f->output_data.x->wm_hints.flags |= StateHint; |
13917 | f->output_data.x->wm_hints.initial_state = state; | |
b1c884c3 | 13918 | |
7556890b | 13919 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); |
546e6d5b | 13920 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
13921 | } |
13922 | ||
dfcf069d | 13923 | void |
7f2ae036 | 13924 | x_wm_set_icon_pixmap (f, pixmap_id) |
f676886a | 13925 | struct frame *f; |
7f2ae036 | 13926 | int pixmap_id; |
dc6f92b8 | 13927 | { |
d2bd6bc4 RS |
13928 | Pixmap icon_pixmap; |
13929 | ||
06a2c219 | 13930 | #ifndef USE_X_TOOLKIT |
c118dd06 | 13931 | Window window = FRAME_X_WINDOW (f); |
75231bad | 13932 | #endif |
dc6f92b8 | 13933 | |
7f2ae036 | 13934 | if (pixmap_id > 0) |
dbc4e1c1 | 13935 | { |
d2bd6bc4 | 13936 | icon_pixmap = x_bitmap_pixmap (f, pixmap_id); |
7556890b | 13937 | f->output_data.x->wm_hints.icon_pixmap = icon_pixmap; |
dbc4e1c1 JB |
13938 | } |
13939 | else | |
68568555 RS |
13940 | { |
13941 | /* It seems there is no way to turn off use of an icon pixmap. | |
13942 | The following line does it, only if no icon has yet been created, | |
13943 | for some window managers. But with mwm it crashes. | |
13944 | Some people say it should clear the IconPixmapHint bit in this case, | |
13945 | but that doesn't work, and the X consortium said it isn't the | |
13946 | right thing at all. Since there is no way to win, | |
13947 | best to explicitly give up. */ | |
13948 | #if 0 | |
13949 | f->output_data.x->wm_hints.icon_pixmap = None; | |
13950 | #else | |
13951 | return; | |
13952 | #endif | |
13953 | } | |
b1c884c3 | 13954 | |
d2bd6bc4 RS |
13955 | #ifdef USE_X_TOOLKIT /* same as in x_wm_set_window_state. */ |
13956 | ||
13957 | { | |
13958 | Arg al[1]; | |
13959 | XtSetArg (al[0], XtNiconPixmap, icon_pixmap); | |
13960 | XtSetValues (f->output_data.x->widget, al, 1); | |
13961 | } | |
13962 | ||
13963 | #else /* not USE_X_TOOLKIT */ | |
7d0393cf | 13964 | |
7556890b RS |
13965 | f->output_data.x->wm_hints.flags |= IconPixmapHint; |
13966 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); | |
d2bd6bc4 RS |
13967 | |
13968 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 JB |
13969 | } |
13970 | ||
dfcf069d | 13971 | void |
f676886a JB |
13972 | x_wm_set_icon_position (f, icon_x, icon_y) |
13973 | struct frame *f; | |
dc6f92b8 JB |
13974 | int icon_x, icon_y; |
13975 | { | |
75231bad | 13976 | #ifdef USE_X_TOOLKIT |
7556890b | 13977 | Window window = XtWindow (f->output_data.x->widget); |
75231bad | 13978 | #else |
c118dd06 | 13979 | Window window = FRAME_X_WINDOW (f); |
75231bad | 13980 | #endif |
dc6f92b8 | 13981 | |
7556890b RS |
13982 | f->output_data.x->wm_hints.flags |= IconPositionHint; |
13983 | f->output_data.x->wm_hints.icon_x = icon_x; | |
13984 | f->output_data.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 13985 | |
7556890b | 13986 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); |
dc6f92b8 JB |
13987 | } |
13988 | ||
13989 | \f | |
06a2c219 GM |
13990 | /*********************************************************************** |
13991 | Fonts | |
13992 | ***********************************************************************/ | |
dc43ef94 KH |
13993 | |
13994 | /* Return a pointer to struct font_info of font FONT_IDX of frame F. */ | |
06a2c219 | 13995 | |
dc43ef94 KH |
13996 | struct font_info * |
13997 | x_get_font_info (f, font_idx) | |
13998 | FRAME_PTR f; | |
13999 | int font_idx; | |
14000 | { | |
14001 | return (FRAME_X_FONT_TABLE (f) + font_idx); | |
14002 | } | |
14003 | ||
14004 | ||
9c11f79e GM |
14005 | /* Return a list of names of available fonts matching PATTERN on frame F. |
14006 | ||
14007 | If SIZE is > 0, it is the size (maximum bounds width) of fonts | |
14008 | to be listed. | |
14009 | ||
14010 | SIZE < 0 means include scalable fonts. | |
14011 | ||
14012 | Frame F null means we have not yet created any frame on X, and | |
14013 | consult the first display in x_display_list. MAXNAMES sets a limit | |
14014 | on how many fonts to match. */ | |
dc43ef94 KH |
14015 | |
14016 | Lisp_Object | |
14017 | x_list_fonts (f, pattern, size, maxnames) | |
9c11f79e | 14018 | struct frame *f; |
dc43ef94 KH |
14019 | Lisp_Object pattern; |
14020 | int size; | |
14021 | int maxnames; | |
14022 | { | |
06a2c219 GM |
14023 | Lisp_Object list = Qnil, patterns, newlist = Qnil, key = Qnil; |
14024 | Lisp_Object tem, second_best; | |
9c11f79e GM |
14025 | struct x_display_info *dpyinfo |
14026 | = f ? FRAME_X_DISPLAY_INFO (f) : x_display_list; | |
14027 | Display *dpy = dpyinfo->display; | |
09c6077f | 14028 | int try_XLoadQueryFont = 0; |
53ca4657 | 14029 | int count; |
9c11f79e GM |
14030 | int allow_scalable_fonts_p = 0; |
14031 | ||
14032 | if (size < 0) | |
14033 | { | |
14034 | allow_scalable_fonts_p = 1; | |
14035 | size = 0; | |
14036 | } | |
dc43ef94 | 14037 | |
6b0efe73 | 14038 | patterns = Fassoc (pattern, Valternate_fontname_alist); |
2da424f1 KH |
14039 | if (NILP (patterns)) |
14040 | patterns = Fcons (pattern, Qnil); | |
81ba44e5 | 14041 | |
09c6077f KH |
14042 | if (maxnames == 1 && !size) |
14043 | /* We can return any single font matching PATTERN. */ | |
14044 | try_XLoadQueryFont = 1; | |
9a32686f | 14045 | |
8e713be6 | 14046 | for (; CONSP (patterns); patterns = XCDR (patterns)) |
dc43ef94 | 14047 | { |
dc43ef94 | 14048 | int num_fonts; |
3e71d8f2 | 14049 | char **names = NULL; |
dc43ef94 | 14050 | |
8e713be6 | 14051 | pattern = XCAR (patterns); |
536f4067 RS |
14052 | /* See if we cached the result for this particular query. |
14053 | The cache is an alist of the form: | |
9c11f79e GM |
14054 | ((((PATTERN . MAXNAMES) . SCALABLE) (FONTNAME . WIDTH) ...) ...) */ |
14055 | tem = XCDR (dpyinfo->name_list_element); | |
14056 | key = Fcons (Fcons (pattern, make_number (maxnames)), | |
14057 | allow_scalable_fonts_p ? Qt : Qnil); | |
14058 | list = Fassoc (key, tem); | |
14059 | if (!NILP (list)) | |
b5210ea7 KH |
14060 | { |
14061 | list = Fcdr_safe (list); | |
14062 | /* We have a cashed list. Don't have to get the list again. */ | |
14063 | goto label_cached; | |
14064 | } | |
14065 | ||
14066 | /* At first, put PATTERN in the cache. */ | |
09c6077f | 14067 | |
dc43ef94 | 14068 | BLOCK_INPUT; |
17d85edc KH |
14069 | count = x_catch_errors (dpy); |
14070 | ||
09c6077f KH |
14071 | if (try_XLoadQueryFont) |
14072 | { | |
14073 | XFontStruct *font; | |
14074 | unsigned long value; | |
14075 | ||
d5db4077 | 14076 | font = XLoadQueryFont (dpy, SDATA (pattern)); |
17d85edc KH |
14077 | if (x_had_errors_p (dpy)) |
14078 | { | |
14079 | /* This error is perhaps due to insufficient memory on X | |
14080 | server. Let's just ignore it. */ | |
14081 | font = NULL; | |
14082 | x_clear_errors (dpy); | |
14083 | } | |
14084 | ||
09c6077f KH |
14085 | if (font |
14086 | && XGetFontProperty (font, XA_FONT, &value)) | |
14087 | { | |
14088 | char *name = (char *) XGetAtomName (dpy, (Atom) value); | |
14089 | int len = strlen (name); | |
01c752b5 | 14090 | char *tmp; |
09c6077f | 14091 | |
6f6512e8 KH |
14092 | /* If DXPC (a Differential X Protocol Compressor) |
14093 | Ver.3.7 is running, XGetAtomName will return null | |
14094 | string. We must avoid such a name. */ | |
14095 | if (len == 0) | |
14096 | try_XLoadQueryFont = 0; | |
14097 | else | |
14098 | { | |
14099 | num_fonts = 1; | |
14100 | names = (char **) alloca (sizeof (char *)); | |
14101 | /* Some systems only allow alloca assigned to a | |
14102 | simple var. */ | |
14103 | tmp = (char *) alloca (len + 1); names[0] = tmp; | |
14104 | bcopy (name, names[0], len + 1); | |
14105 | XFree (name); | |
14106 | } | |
09c6077f KH |
14107 | } |
14108 | else | |
14109 | try_XLoadQueryFont = 0; | |
a083fd23 RS |
14110 | |
14111 | if (font) | |
14112 | XFreeFont (dpy, font); | |
09c6077f KH |
14113 | } |
14114 | ||
14115 | if (!try_XLoadQueryFont) | |
17d85edc KH |
14116 | { |
14117 | /* We try at least 10 fonts because XListFonts will return | |
14118 | auto-scaled fonts at the head. */ | |
d5db4077 | 14119 | names = XListFonts (dpy, SDATA (pattern), max (maxnames, 10), |
17d85edc KH |
14120 | &num_fonts); |
14121 | if (x_had_errors_p (dpy)) | |
14122 | { | |
14123 | /* This error is perhaps due to insufficient memory on X | |
14124 | server. Let's just ignore it. */ | |
14125 | names = NULL; | |
14126 | x_clear_errors (dpy); | |
14127 | } | |
14128 | } | |
14129 | ||
14130 | x_uncatch_errors (dpy, count); | |
dc43ef94 KH |
14131 | UNBLOCK_INPUT; |
14132 | ||
14133 | if (names) | |
14134 | { | |
14135 | int i; | |
dc43ef94 KH |
14136 | |
14137 | /* Make a list of all the fonts we got back. | |
14138 | Store that in the font cache for the display. */ | |
14139 | for (i = 0; i < num_fonts; i++) | |
14140 | { | |
06a2c219 | 14141 | int width = 0; |
dc43ef94 | 14142 | char *p = names[i]; |
06a2c219 | 14143 | int average_width = -1, dashes = 0; |
7d0393cf | 14144 | |
dc43ef94 | 14145 | /* Count the number of dashes in NAMES[I]. If there are |
9c11f79e GM |
14146 | 14 dashes, and the field value following 12th dash |
14147 | (AVERAGE_WIDTH) is 0, this is a auto-scaled font which | |
14148 | is usually too ugly to be used for editing. Let's | |
14149 | ignore it. */ | |
dc43ef94 KH |
14150 | while (*p) |
14151 | if (*p++ == '-') | |
14152 | { | |
14153 | dashes++; | |
14154 | if (dashes == 7) /* PIXEL_SIZE field */ | |
14155 | width = atoi (p); | |
14156 | else if (dashes == 12) /* AVERAGE_WIDTH field */ | |
14157 | average_width = atoi (p); | |
14158 | } | |
7d0393cf | 14159 | |
9c11f79e GM |
14160 | if (allow_scalable_fonts_p |
14161 | || dashes < 14 || average_width != 0) | |
dc43ef94 KH |
14162 | { |
14163 | tem = build_string (names[i]); | |
14164 | if (NILP (Fassoc (tem, list))) | |
14165 | { | |
14166 | if (STRINGP (Vx_pixel_size_width_font_regexp) | |
f39db7ea RS |
14167 | && ((fast_c_string_match_ignore_case |
14168 | (Vx_pixel_size_width_font_regexp, names[i])) | |
dc43ef94 KH |
14169 | >= 0)) |
14170 | /* We can set the value of PIXEL_SIZE to the | |
b5210ea7 | 14171 | width of this font. */ |
dc43ef94 KH |
14172 | list = Fcons (Fcons (tem, make_number (width)), list); |
14173 | else | |
14174 | /* For the moment, width is not known. */ | |
14175 | list = Fcons (Fcons (tem, Qnil), list); | |
14176 | } | |
14177 | } | |
14178 | } | |
7d0393cf | 14179 | |
09c6077f | 14180 | if (!try_XLoadQueryFont) |
e38f4136 GM |
14181 | { |
14182 | BLOCK_INPUT; | |
14183 | XFreeFontNames (names); | |
14184 | UNBLOCK_INPUT; | |
14185 | } | |
dc43ef94 KH |
14186 | } |
14187 | ||
b5210ea7 | 14188 | /* Now store the result in the cache. */ |
f3fbd155 KR |
14189 | XSETCDR (dpyinfo->name_list_element, |
14190 | Fcons (Fcons (key, list), XCDR (dpyinfo->name_list_element))); | |
dc43ef94 | 14191 | |
b5210ea7 KH |
14192 | label_cached: |
14193 | if (NILP (list)) continue; /* Try the remaining alternatives. */ | |
dc43ef94 | 14194 | |
b5210ea7 KH |
14195 | newlist = second_best = Qnil; |
14196 | /* Make a list of the fonts that have the right width. */ | |
8e713be6 | 14197 | for (; CONSP (list); list = XCDR (list)) |
b5210ea7 | 14198 | { |
536f4067 RS |
14199 | int found_size; |
14200 | ||
8e713be6 | 14201 | tem = XCAR (list); |
dc43ef94 | 14202 | |
8e713be6 | 14203 | if (!CONSP (tem) || NILP (XCAR (tem))) |
b5210ea7 KH |
14204 | continue; |
14205 | if (!size) | |
14206 | { | |
8e713be6 | 14207 | newlist = Fcons (XCAR (tem), newlist); |
b5210ea7 KH |
14208 | continue; |
14209 | } | |
dc43ef94 | 14210 | |
8e713be6 | 14211 | if (!INTEGERP (XCDR (tem))) |
dc43ef94 | 14212 | { |
b5210ea7 | 14213 | /* Since we have not yet known the size of this font, we |
9c11f79e | 14214 | must try slow function call XLoadQueryFont. */ |
dc43ef94 KH |
14215 | XFontStruct *thisinfo; |
14216 | ||
14217 | BLOCK_INPUT; | |
17d85edc | 14218 | count = x_catch_errors (dpy); |
dc43ef94 | 14219 | thisinfo = XLoadQueryFont (dpy, |
d5db4077 | 14220 | SDATA (XCAR (tem))); |
17d85edc KH |
14221 | if (x_had_errors_p (dpy)) |
14222 | { | |
14223 | /* This error is perhaps due to insufficient memory on X | |
14224 | server. Let's just ignore it. */ | |
14225 | thisinfo = NULL; | |
14226 | x_clear_errors (dpy); | |
14227 | } | |
14228 | x_uncatch_errors (dpy, count); | |
dc43ef94 KH |
14229 | UNBLOCK_INPUT; |
14230 | ||
14231 | if (thisinfo) | |
14232 | { | |
f3fbd155 KR |
14233 | XSETCDR (tem, |
14234 | (thisinfo->min_bounds.width == 0 | |
14235 | ? make_number (0) | |
14236 | : make_number (thisinfo->max_bounds.width))); | |
e38f4136 | 14237 | BLOCK_INPUT; |
dc43ef94 | 14238 | XFreeFont (dpy, thisinfo); |
e38f4136 | 14239 | UNBLOCK_INPUT; |
dc43ef94 KH |
14240 | } |
14241 | else | |
b5210ea7 | 14242 | /* For unknown reason, the previous call of XListFont had |
06a2c219 | 14243 | returned a font which can't be opened. Record the size |
b5210ea7 | 14244 | as 0 not to try to open it again. */ |
f3fbd155 | 14245 | XSETCDR (tem, make_number (0)); |
dc43ef94 | 14246 | } |
536f4067 | 14247 | |
8e713be6 | 14248 | found_size = XINT (XCDR (tem)); |
536f4067 | 14249 | if (found_size == size) |
8e713be6 | 14250 | newlist = Fcons (XCAR (tem), newlist); |
536f4067 | 14251 | else if (found_size > 0) |
b5210ea7 | 14252 | { |
536f4067 | 14253 | if (NILP (second_best)) |
b5210ea7 | 14254 | second_best = tem; |
536f4067 RS |
14255 | else if (found_size < size) |
14256 | { | |
8e713be6 KR |
14257 | if (XINT (XCDR (second_best)) > size |
14258 | || XINT (XCDR (second_best)) < found_size) | |
536f4067 RS |
14259 | second_best = tem; |
14260 | } | |
14261 | else | |
14262 | { | |
8e713be6 KR |
14263 | if (XINT (XCDR (second_best)) > size |
14264 | && XINT (XCDR (second_best)) > found_size) | |
536f4067 RS |
14265 | second_best = tem; |
14266 | } | |
b5210ea7 KH |
14267 | } |
14268 | } | |
14269 | if (!NILP (newlist)) | |
14270 | break; | |
14271 | else if (!NILP (second_best)) | |
14272 | { | |
8e713be6 | 14273 | newlist = Fcons (XCAR (second_best), Qnil); |
b5210ea7 | 14274 | break; |
dc43ef94 | 14275 | } |
dc43ef94 KH |
14276 | } |
14277 | ||
14278 | return newlist; | |
7d0393cf | 14279 | } |
dc43ef94 | 14280 | |
06a2c219 GM |
14281 | |
14282 | #if GLYPH_DEBUG | |
14283 | ||
14284 | /* Check that FONT is valid on frame F. It is if it can be found in F's | |
14285 | font table. */ | |
14286 | ||
14287 | static void | |
14288 | x_check_font (f, font) | |
14289 | struct frame *f; | |
14290 | XFontStruct *font; | |
14291 | { | |
14292 | int i; | |
14293 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
14294 | ||
14295 | xassert (font != NULL); | |
14296 | ||
14297 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
7d0393cf | 14298 | if (dpyinfo->font_table[i].name |
06a2c219 GM |
14299 | && font == dpyinfo->font_table[i].font) |
14300 | break; | |
14301 | ||
14302 | xassert (i < dpyinfo->n_fonts); | |
14303 | } | |
14304 | ||
14305 | #endif /* GLYPH_DEBUG != 0 */ | |
14306 | ||
14307 | /* Set *W to the minimum width, *H to the minimum font height of FONT. | |
14308 | Note: There are (broken) X fonts out there with invalid XFontStruct | |
14309 | min_bounds contents. For example, handa@etl.go.jp reports that | |
14310 | "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts | |
14311 | have font->min_bounds.width == 0. */ | |
14312 | ||
14313 | static INLINE void | |
14314 | x_font_min_bounds (font, w, h) | |
14315 | XFontStruct *font; | |
14316 | int *w, *h; | |
14317 | { | |
14318 | *h = FONT_HEIGHT (font); | |
14319 | *w = font->min_bounds.width; | |
14320 | ||
14321 | /* Try to handle the case where FONT->min_bounds has invalid | |
14322 | contents. Since the only font known to have invalid min_bounds | |
14323 | is fixed-width, use max_bounds if min_bounds seems to be invalid. */ | |
14324 | if (*w <= 0) | |
14325 | *w = font->max_bounds.width; | |
14326 | } | |
14327 | ||
14328 | ||
14329 | /* Compute the smallest character width and smallest font height over | |
14330 | all fonts available on frame F. Set the members smallest_char_width | |
14331 | and smallest_font_height in F's x_display_info structure to | |
14332 | the values computed. Value is non-zero if smallest_font_height or | |
14333 | smallest_char_width become smaller than they were before. */ | |
14334 | ||
14335 | static int | |
14336 | x_compute_min_glyph_bounds (f) | |
14337 | struct frame *f; | |
14338 | { | |
14339 | int i; | |
14340 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
14341 | XFontStruct *font; | |
14342 | int old_width = dpyinfo->smallest_char_width; | |
14343 | int old_height = dpyinfo->smallest_font_height; | |
7d0393cf | 14344 | |
06a2c219 GM |
14345 | dpyinfo->smallest_font_height = 100000; |
14346 | dpyinfo->smallest_char_width = 100000; | |
7d0393cf | 14347 | |
06a2c219 GM |
14348 | for (i = 0; i < dpyinfo->n_fonts; ++i) |
14349 | if (dpyinfo->font_table[i].name) | |
14350 | { | |
14351 | struct font_info *fontp = dpyinfo->font_table + i; | |
14352 | int w, h; | |
7d0393cf | 14353 | |
06a2c219 GM |
14354 | font = (XFontStruct *) fontp->font; |
14355 | xassert (font != (XFontStruct *) ~0); | |
14356 | x_font_min_bounds (font, &w, &h); | |
7d0393cf | 14357 | |
06a2c219 GM |
14358 | dpyinfo->smallest_font_height = min (dpyinfo->smallest_font_height, h); |
14359 | dpyinfo->smallest_char_width = min (dpyinfo->smallest_char_width, w); | |
14360 | } | |
14361 | ||
14362 | xassert (dpyinfo->smallest_char_width > 0 | |
14363 | && dpyinfo->smallest_font_height > 0); | |
14364 | ||
14365 | return (dpyinfo->n_fonts == 1 | |
14366 | || dpyinfo->smallest_char_width < old_width | |
14367 | || dpyinfo->smallest_font_height < old_height); | |
14368 | } | |
14369 | ||
14370 | ||
dc43ef94 KH |
14371 | /* Load font named FONTNAME of the size SIZE for frame F, and return a |
14372 | pointer to the structure font_info while allocating it dynamically. | |
14373 | If SIZE is 0, load any size of font. | |
14374 | If loading is failed, return NULL. */ | |
14375 | ||
14376 | struct font_info * | |
14377 | x_load_font (f, fontname, size) | |
14378 | struct frame *f; | |
14379 | register char *fontname; | |
14380 | int size; | |
14381 | { | |
14382 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
14383 | Lisp_Object font_names; | |
d645aaa4 | 14384 | int count; |
dc43ef94 KH |
14385 | |
14386 | /* Get a list of all the fonts that match this name. Once we | |
14387 | have a list of matching fonts, we compare them against the fonts | |
14388 | we already have by comparing names. */ | |
09c6077f | 14389 | font_names = x_list_fonts (f, build_string (fontname), size, 1); |
dc43ef94 KH |
14390 | |
14391 | if (!NILP (font_names)) | |
14392 | { | |
14393 | Lisp_Object tail; | |
14394 | int i; | |
14395 | ||
14396 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
8e713be6 | 14397 | for (tail = font_names; CONSP (tail); tail = XCDR (tail)) |
06a2c219 GM |
14398 | if (dpyinfo->font_table[i].name |
14399 | && (!strcmp (dpyinfo->font_table[i].name, | |
d5db4077 | 14400 | SDATA (XCAR (tail))) |
06a2c219 | 14401 | || !strcmp (dpyinfo->font_table[i].full_name, |
d5db4077 | 14402 | SDATA (XCAR (tail))))) |
dc43ef94 KH |
14403 | return (dpyinfo->font_table + i); |
14404 | } | |
14405 | ||
14406 | /* Load the font and add it to the table. */ | |
14407 | { | |
14408 | char *full_name; | |
14409 | XFontStruct *font; | |
14410 | struct font_info *fontp; | |
14411 | unsigned long value; | |
06a2c219 | 14412 | int i; |
dc43ef94 | 14413 | |
2da424f1 KH |
14414 | /* If we have found fonts by x_list_font, load one of them. If |
14415 | not, we still try to load a font by the name given as FONTNAME | |
14416 | because XListFonts (called in x_list_font) of some X server has | |
14417 | a bug of not finding a font even if the font surely exists and | |
14418 | is loadable by XLoadQueryFont. */ | |
e1d6d5b9 | 14419 | if (size > 0 && !NILP (font_names)) |
d5db4077 | 14420 | fontname = (char *) SDATA (XCAR (font_names)); |
dc43ef94 KH |
14421 | |
14422 | BLOCK_INPUT; | |
d645aaa4 | 14423 | count = x_catch_errors (FRAME_X_DISPLAY (f)); |
dc43ef94 | 14424 | font = (XFontStruct *) XLoadQueryFont (FRAME_X_DISPLAY (f), fontname); |
d645aaa4 KH |
14425 | if (x_had_errors_p (FRAME_X_DISPLAY (f))) |
14426 | { | |
14427 | /* This error is perhaps due to insufficient memory on X | |
14428 | server. Let's just ignore it. */ | |
14429 | font = NULL; | |
14430 | x_clear_errors (FRAME_X_DISPLAY (f)); | |
14431 | } | |
14432 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); | |
dc43ef94 | 14433 | UNBLOCK_INPUT; |
b5210ea7 | 14434 | if (!font) |
dc43ef94 KH |
14435 | return NULL; |
14436 | ||
06a2c219 GM |
14437 | /* Find a free slot in the font table. */ |
14438 | for (i = 0; i < dpyinfo->n_fonts; ++i) | |
14439 | if (dpyinfo->font_table[i].name == NULL) | |
14440 | break; | |
14441 | ||
14442 | /* If no free slot found, maybe enlarge the font table. */ | |
14443 | if (i == dpyinfo->n_fonts | |
14444 | && dpyinfo->n_fonts == dpyinfo->font_table_size) | |
dc43ef94 | 14445 | { |
06a2c219 GM |
14446 | int sz; |
14447 | dpyinfo->font_table_size = max (16, 2 * dpyinfo->font_table_size); | |
14448 | sz = dpyinfo->font_table_size * sizeof *dpyinfo->font_table; | |
dc43ef94 | 14449 | dpyinfo->font_table |
06a2c219 | 14450 | = (struct font_info *) xrealloc (dpyinfo->font_table, sz); |
dc43ef94 KH |
14451 | } |
14452 | ||
06a2c219 GM |
14453 | fontp = dpyinfo->font_table + i; |
14454 | if (i == dpyinfo->n_fonts) | |
14455 | ++dpyinfo->n_fonts; | |
dc43ef94 KH |
14456 | |
14457 | /* Now fill in the slots of *FONTP. */ | |
14458 | BLOCK_INPUT; | |
14459 | fontp->font = font; | |
06a2c219 | 14460 | fontp->font_idx = i; |
dc43ef94 KH |
14461 | fontp->name = (char *) xmalloc (strlen (fontname) + 1); |
14462 | bcopy (fontname, fontp->name, strlen (fontname) + 1); | |
14463 | ||
14464 | /* Try to get the full name of FONT. Put it in FULL_NAME. */ | |
14465 | full_name = 0; | |
14466 | if (XGetFontProperty (font, XA_FONT, &value)) | |
14467 | { | |
14468 | char *name = (char *) XGetAtomName (FRAME_X_DISPLAY (f), (Atom) value); | |
14469 | char *p = name; | |
14470 | int dashes = 0; | |
14471 | ||
14472 | /* Count the number of dashes in the "full name". | |
14473 | If it is too few, this isn't really the font's full name, | |
14474 | so don't use it. | |
14475 | In X11R4, the fonts did not come with their canonical names | |
14476 | stored in them. */ | |
14477 | while (*p) | |
14478 | { | |
14479 | if (*p == '-') | |
14480 | dashes++; | |
14481 | p++; | |
14482 | } | |
14483 | ||
14484 | if (dashes >= 13) | |
14485 | { | |
14486 | full_name = (char *) xmalloc (p - name + 1); | |
14487 | bcopy (name, full_name, p - name + 1); | |
14488 | } | |
14489 | ||
14490 | XFree (name); | |
14491 | } | |
7d0393cf | 14492 | |
dc43ef94 KH |
14493 | if (full_name != 0) |
14494 | fontp->full_name = full_name; | |
14495 | else | |
14496 | fontp->full_name = fontp->name; | |
14497 | ||
14498 | fontp->size = font->max_bounds.width; | |
d5749adb | 14499 | fontp->height = FONT_HEIGHT (font); |
dc43ef94 | 14500 | |
2da424f1 KH |
14501 | if (NILP (font_names)) |
14502 | { | |
14503 | /* We come here because of a bug of XListFonts mentioned at | |
14504 | the head of this block. Let's store this information in | |
14505 | the cache for x_list_fonts. */ | |
14506 | Lisp_Object lispy_name = build_string (fontname); | |
14507 | Lisp_Object lispy_full_name = build_string (fontp->full_name); | |
9c11f79e GM |
14508 | Lisp_Object key = Fcons (Fcons (lispy_name, make_number (256)), |
14509 | Qnil); | |
2da424f1 | 14510 | |
f3fbd155 KR |
14511 | XSETCDR (dpyinfo->name_list_element, |
14512 | Fcons (Fcons (key, | |
14513 | Fcons (Fcons (lispy_full_name, | |
14514 | make_number (fontp->size)), | |
14515 | Qnil)), | |
14516 | XCDR (dpyinfo->name_list_element))); | |
2da424f1 | 14517 | if (full_name) |
9c11f79e GM |
14518 | { |
14519 | key = Fcons (Fcons (lispy_full_name, make_number (256)), | |
14520 | Qnil); | |
f3fbd155 KR |
14521 | XSETCDR (dpyinfo->name_list_element, |
14522 | Fcons (Fcons (key, | |
14523 | Fcons (Fcons (lispy_full_name, | |
14524 | make_number (fontp->size)), | |
14525 | Qnil)), | |
14526 | XCDR (dpyinfo->name_list_element))); | |
9c11f79e | 14527 | } |
2da424f1 KH |
14528 | } |
14529 | ||
dc43ef94 KH |
14530 | /* The slot `encoding' specifies how to map a character |
14531 | code-points (0x20..0x7F or 0x2020..0x7F7F) of each charset to | |
ee569018 KH |
14532 | the font code-points (0:0x20..0x7F, 1:0xA0..0xFF), or |
14533 | (0:0x2020..0x7F7F, 1:0xA0A0..0xFFFF, 3:0x20A0..0x7FFF, | |
8ff102bd | 14534 | 2:0xA020..0xFF7F). For the moment, we don't know which charset |
06a2c219 | 14535 | uses this font. So, we set information in fontp->encoding[1] |
8ff102bd RS |
14536 | which is never used by any charset. If mapping can't be |
14537 | decided, set FONT_ENCODING_NOT_DECIDED. */ | |
dc43ef94 KH |
14538 | fontp->encoding[1] |
14539 | = (font->max_byte1 == 0 | |
14540 | /* 1-byte font */ | |
14541 | ? (font->min_char_or_byte2 < 0x80 | |
14542 | ? (font->max_char_or_byte2 < 0x80 | |
14543 | ? 0 /* 0x20..0x7F */ | |
8ff102bd | 14544 | : FONT_ENCODING_NOT_DECIDED) /* 0x20..0xFF */ |
dc43ef94 KH |
14545 | : 1) /* 0xA0..0xFF */ |
14546 | /* 2-byte font */ | |
14547 | : (font->min_byte1 < 0x80 | |
14548 | ? (font->max_byte1 < 0x80 | |
14549 | ? (font->min_char_or_byte2 < 0x80 | |
14550 | ? (font->max_char_or_byte2 < 0x80 | |
14551 | ? 0 /* 0x2020..0x7F7F */ | |
8ff102bd | 14552 | : FONT_ENCODING_NOT_DECIDED) /* 0x2020..0x7FFF */ |
dc43ef94 | 14553 | : 3) /* 0x20A0..0x7FFF */ |
8ff102bd | 14554 | : FONT_ENCODING_NOT_DECIDED) /* 0x20??..0xA0?? */ |
dc43ef94 KH |
14555 | : (font->min_char_or_byte2 < 0x80 |
14556 | ? (font->max_char_or_byte2 < 0x80 | |
14557 | ? 2 /* 0xA020..0xFF7F */ | |
8ff102bd | 14558 | : FONT_ENCODING_NOT_DECIDED) /* 0xA020..0xFFFF */ |
dc43ef94 KH |
14559 | : 1))); /* 0xA0A0..0xFFFF */ |
14560 | ||
14561 | fontp->baseline_offset | |
14562 | = (XGetFontProperty (font, dpyinfo->Xatom_MULE_BASELINE_OFFSET, &value) | |
14563 | ? (long) value : 0); | |
14564 | fontp->relative_compose | |
14565 | = (XGetFontProperty (font, dpyinfo->Xatom_MULE_RELATIVE_COMPOSE, &value) | |
14566 | ? (long) value : 0); | |
f78798df KH |
14567 | fontp->default_ascent |
14568 | = (XGetFontProperty (font, dpyinfo->Xatom_MULE_DEFAULT_ASCENT, &value) | |
14569 | ? (long) value : 0); | |
dc43ef94 | 14570 | |
06a2c219 GM |
14571 | /* Set global flag fonts_changed_p to non-zero if the font loaded |
14572 | has a character with a smaller width than any other character | |
437dfb9f | 14573 | before, or if the font loaded has a smaller height than any |
06a2c219 GM |
14574 | other font loaded before. If this happens, it will make a |
14575 | glyph matrix reallocation necessary. */ | |
437dfb9f | 14576 | fonts_changed_p |= x_compute_min_glyph_bounds (f); |
dc43ef94 | 14577 | UNBLOCK_INPUT; |
dc43ef94 KH |
14578 | return fontp; |
14579 | } | |
14580 | } | |
14581 | ||
06a2c219 GM |
14582 | |
14583 | /* Return a pointer to struct font_info of a font named FONTNAME for | |
14584 | frame F. If no such font is loaded, return NULL. */ | |
14585 | ||
dc43ef94 KH |
14586 | struct font_info * |
14587 | x_query_font (f, fontname) | |
14588 | struct frame *f; | |
14589 | register char *fontname; | |
14590 | { | |
14591 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
14592 | int i; | |
14593 | ||
14594 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
06a2c219 GM |
14595 | if (dpyinfo->font_table[i].name |
14596 | && (!strcmp (dpyinfo->font_table[i].name, fontname) | |
14597 | || !strcmp (dpyinfo->font_table[i].full_name, fontname))) | |
dc43ef94 KH |
14598 | return (dpyinfo->font_table + i); |
14599 | return NULL; | |
14600 | } | |
14601 | ||
06a2c219 GM |
14602 | |
14603 | /* Find a CCL program for a font specified by FONTP, and set the member | |
a6582676 KH |
14604 | `encoder' of the structure. */ |
14605 | ||
14606 | void | |
14607 | x_find_ccl_program (fontp) | |
14608 | struct font_info *fontp; | |
14609 | { | |
a42f54e6 | 14610 | Lisp_Object list, elt; |
a6582676 | 14611 | |
f9b5db02 | 14612 | elt = Qnil; |
8e713be6 | 14613 | for (list = Vfont_ccl_encoder_alist; CONSP (list); list = XCDR (list)) |
a6582676 | 14614 | { |
8e713be6 | 14615 | elt = XCAR (list); |
a6582676 | 14616 | if (CONSP (elt) |
8e713be6 | 14617 | && STRINGP (XCAR (elt)) |
9f2feff6 KH |
14618 | && ((fast_c_string_match_ignore_case (XCAR (elt), fontp->name) |
14619 | >= 0) | |
14620 | || (fast_c_string_match_ignore_case (XCAR (elt), fontp->full_name) | |
14621 | >= 0))) | |
a42f54e6 KH |
14622 | break; |
14623 | } | |
7d0393cf | 14624 | |
a42f54e6 KH |
14625 | if (! NILP (list)) |
14626 | { | |
d27f8ca7 KH |
14627 | struct ccl_program *ccl |
14628 | = (struct ccl_program *) xmalloc (sizeof (struct ccl_program)); | |
a42f54e6 | 14629 | |
8e713be6 | 14630 | if (setup_ccl_program (ccl, XCDR (elt)) < 0) |
a42f54e6 KH |
14631 | xfree (ccl); |
14632 | else | |
14633 | fontp->font_encoder = ccl; | |
a6582676 KH |
14634 | } |
14635 | } | |
14636 | ||
06a2c219 | 14637 | |
dc43ef94 | 14638 | \f |
06a2c219 GM |
14639 | /*********************************************************************** |
14640 | Initialization | |
14641 | ***********************************************************************/ | |
f451eb13 | 14642 | |
3afe33e7 RS |
14643 | #ifdef USE_X_TOOLKIT |
14644 | static XrmOptionDescRec emacs_options[] = { | |
14645 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
14646 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
14647 | ||
14648 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
14649 | XrmoptionSepArg, NULL}, | |
14650 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
14651 | ||
14652 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
14653 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
14654 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
14655 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
14656 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
14657 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
14658 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
14659 | }; | |
14660 | #endif /* USE_X_TOOLKIT */ | |
14661 | ||
7a13e894 RS |
14662 | static int x_initialized; |
14663 | ||
29b38361 KH |
14664 | #ifdef MULTI_KBOARD |
14665 | /* Test whether two display-name strings agree up to the dot that separates | |
14666 | the screen number from the server number. */ | |
14667 | static int | |
14668 | same_x_server (name1, name2) | |
59ab1dc7 | 14669 | const char *name1, *name2; |
29b38361 KH |
14670 | { |
14671 | int seen_colon = 0; | |
59ab1dc7 | 14672 | const unsigned char *system_name = SDATA (Vsystem_name); |
cf591cc1 RS |
14673 | int system_name_length = strlen (system_name); |
14674 | int length_until_period = 0; | |
14675 | ||
14676 | while (system_name[length_until_period] != 0 | |
14677 | && system_name[length_until_period] != '.') | |
14678 | length_until_period++; | |
14679 | ||
14680 | /* Treat `unix' like an empty host name. */ | |
14681 | if (! strncmp (name1, "unix:", 5)) | |
14682 | name1 += 4; | |
14683 | if (! strncmp (name2, "unix:", 5)) | |
14684 | name2 += 4; | |
14685 | /* Treat this host's name like an empty host name. */ | |
14686 | if (! strncmp (name1, system_name, system_name_length) | |
14687 | && name1[system_name_length] == ':') | |
14688 | name1 += system_name_length; | |
14689 | if (! strncmp (name2, system_name, system_name_length) | |
14690 | && name2[system_name_length] == ':') | |
14691 | name2 += system_name_length; | |
14692 | /* Treat this host's domainless name like an empty host name. */ | |
14693 | if (! strncmp (name1, system_name, length_until_period) | |
14694 | && name1[length_until_period] == ':') | |
14695 | name1 += length_until_period; | |
14696 | if (! strncmp (name2, system_name, length_until_period) | |
14697 | && name2[length_until_period] == ':') | |
14698 | name2 += length_until_period; | |
14699 | ||
29b38361 KH |
14700 | for (; *name1 != '\0' && *name1 == *name2; name1++, name2++) |
14701 | { | |
14702 | if (*name1 == ':') | |
14703 | seen_colon++; | |
14704 | if (seen_colon && *name1 == '.') | |
14705 | return 1; | |
14706 | } | |
14707 | return (seen_colon | |
14708 | && (*name1 == '.' || *name1 == '\0') | |
14709 | && (*name2 == '.' || *name2 == '\0')); | |
14710 | } | |
14711 | #endif | |
14712 | ||
334208b7 | 14713 | struct x_display_info * |
1f8255f2 | 14714 | x_term_init (display_name, xrm_option, resource_name) |
334208b7 | 14715 | Lisp_Object display_name; |
1f8255f2 RS |
14716 | char *xrm_option; |
14717 | char *resource_name; | |
dc6f92b8 | 14718 | { |
334208b7 | 14719 | int connection; |
7a13e894 | 14720 | Display *dpy; |
334208b7 RS |
14721 | struct x_display_info *dpyinfo; |
14722 | XrmDatabase xrdb; | |
14723 | ||
60439948 KH |
14724 | BLOCK_INPUT; |
14725 | ||
7a13e894 RS |
14726 | if (!x_initialized) |
14727 | { | |
14728 | x_initialize (); | |
14729 | x_initialized = 1; | |
14730 | } | |
dc6f92b8 | 14731 | |
3afe33e7 | 14732 | #ifdef USE_X_TOOLKIT |
2d7fc7e8 RS |
14733 | /* weiner@footloose.sps.mot.com reports that this causes |
14734 | errors with X11R5: | |
14735 | X protocol error: BadAtom (invalid Atom parameter) | |
14736 | on protocol request 18skiloaf. | |
14737 | So let's not use it until R6. */ | |
14738 | #ifdef HAVE_X11XTR6 | |
bdcd49ba RS |
14739 | XtSetLanguageProc (NULL, NULL, NULL); |
14740 | #endif | |
14741 | ||
7f9c7f94 RS |
14742 | { |
14743 | int argc = 0; | |
14744 | char *argv[3]; | |
14745 | ||
14746 | argv[0] = ""; | |
14747 | argc = 1; | |
14748 | if (xrm_option) | |
14749 | { | |
14750 | argv[argc++] = "-xrm"; | |
14751 | argv[argc++] = xrm_option; | |
14752 | } | |
5dbb3f46 | 14753 | stop_polling (); |
d5db4077 | 14754 | dpy = XtOpenDisplay (Xt_app_con, SDATA (display_name), |
7f9c7f94 RS |
14755 | resource_name, EMACS_CLASS, |
14756 | emacs_options, XtNumber (emacs_options), | |
14757 | &argc, argv); | |
5dbb3f46 | 14758 | start_polling (); |
39d8bb4d KH |
14759 | |
14760 | #ifdef HAVE_X11XTR6 | |
10537cb1 | 14761 | /* I think this is to compensate for XtSetLanguageProc. */ |
71f8198a | 14762 | fixup_locale (); |
39d8bb4d | 14763 | #endif |
7f9c7f94 | 14764 | } |
3afe33e7 RS |
14765 | |
14766 | #else /* not USE_X_TOOLKIT */ | |
bdcd49ba RS |
14767 | #ifdef HAVE_X11R5 |
14768 | XSetLocaleModifiers (""); | |
14769 | #endif | |
d5db4077 | 14770 | dpy = XOpenDisplay (SDATA (display_name)); |
3afe33e7 | 14771 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 14772 | |
7a13e894 RS |
14773 | /* Detect failure. */ |
14774 | if (dpy == 0) | |
60439948 KH |
14775 | { |
14776 | UNBLOCK_INPUT; | |
14777 | return 0; | |
14778 | } | |
7a13e894 RS |
14779 | |
14780 | /* We have definitely succeeded. Record the new connection. */ | |
14781 | ||
14782 | dpyinfo = (struct x_display_info *) xmalloc (sizeof (struct x_display_info)); | |
f04e1297 | 14783 | bzero (dpyinfo, sizeof *dpyinfo); |
7a13e894 | 14784 | |
29b38361 KH |
14785 | #ifdef MULTI_KBOARD |
14786 | { | |
14787 | struct x_display_info *share; | |
14788 | Lisp_Object tail; | |
14789 | ||
14790 | for (share = x_display_list, tail = x_display_name_list; share; | |
8e713be6 | 14791 | share = share->next, tail = XCDR (tail)) |
d5db4077 KR |
14792 | if (same_x_server (SDATA (XCAR (XCAR (tail))), |
14793 | SDATA (display_name))) | |
29b38361 KH |
14794 | break; |
14795 | if (share) | |
14796 | dpyinfo->kboard = share->kboard; | |
14797 | else | |
14798 | { | |
14799 | dpyinfo->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); | |
14800 | init_kboard (dpyinfo->kboard); | |
59e755be KH |
14801 | if (!EQ (XSYMBOL (Qvendor_specific_keysyms)->function, Qunbound)) |
14802 | { | |
14803 | char *vendor = ServerVendor (dpy); | |
9b6ed9f3 | 14804 | UNBLOCK_INPUT; |
59e755be KH |
14805 | dpyinfo->kboard->Vsystem_key_alist |
14806 | = call1 (Qvendor_specific_keysyms, | |
14807 | build_string (vendor ? vendor : "")); | |
9b6ed9f3 | 14808 | BLOCK_INPUT; |
59e755be KH |
14809 | } |
14810 | ||
29b38361 KH |
14811 | dpyinfo->kboard->next_kboard = all_kboards; |
14812 | all_kboards = dpyinfo->kboard; | |
0ad5446c KH |
14813 | /* Don't let the initial kboard remain current longer than necessary. |
14814 | That would cause problems if a file loaded on startup tries to | |
06a2c219 | 14815 | prompt in the mini-buffer. */ |
0ad5446c KH |
14816 | if (current_kboard == initial_kboard) |
14817 | current_kboard = dpyinfo->kboard; | |
29b38361 KH |
14818 | } |
14819 | dpyinfo->kboard->reference_count++; | |
14820 | } | |
b9737ad3 KH |
14821 | #endif |
14822 | ||
7a13e894 RS |
14823 | /* Put this display on the chain. */ |
14824 | dpyinfo->next = x_display_list; | |
14825 | x_display_list = dpyinfo; | |
14826 | ||
7d0393cf | 14827 | /* Put it on x_display_name_list as well, to keep them parallel. */ |
7a13e894 RS |
14828 | x_display_name_list = Fcons (Fcons (display_name, Qnil), |
14829 | x_display_name_list); | |
8e713be6 | 14830 | dpyinfo->name_list_element = XCAR (x_display_name_list); |
7a13e894 RS |
14831 | |
14832 | dpyinfo->display = dpy; | |
dc6f92b8 | 14833 | |
dc6f92b8 | 14834 | #if 0 |
7a13e894 | 14835 | XSetAfterFunction (x_current_display, x_trace_wire); |
c118dd06 | 14836 | #endif /* ! 0 */ |
7a13e894 RS |
14837 | |
14838 | dpyinfo->x_id_name | |
d5db4077 KR |
14839 | = (char *) xmalloc (SBYTES (Vinvocation_name) |
14840 | + SBYTES (Vsystem_name) | |
7a13e894 RS |
14841 | + 2); |
14842 | sprintf (dpyinfo->x_id_name, "%s@%s", | |
d5db4077 | 14843 | SDATA (Vinvocation_name), SDATA (Vsystem_name)); |
28430d3c JB |
14844 | |
14845 | /* Figure out which modifier bits mean what. */ | |
334208b7 | 14846 | x_find_modifier_meanings (dpyinfo); |
f451eb13 | 14847 | |
ab648270 | 14848 | /* Get the scroll bar cursor. */ |
7a13e894 | 14849 | dpyinfo->vertical_scroll_bar_cursor |
334208b7 | 14850 | = XCreateFontCursor (dpyinfo->display, XC_sb_v_double_arrow); |
f451eb13 | 14851 | |
334208b7 RS |
14852 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
14853 | resource_name, EMACS_CLASS); | |
14854 | #ifdef HAVE_XRMSETDATABASE | |
14855 | XrmSetDatabase (dpyinfo->display, xrdb); | |
14856 | #else | |
14857 | dpyinfo->display->db = xrdb; | |
14858 | #endif | |
547d9db8 | 14859 | /* Put the rdb where we can find it in a way that works on |
7a13e894 RS |
14860 | all versions. */ |
14861 | dpyinfo->xrdb = xrdb; | |
334208b7 RS |
14862 | |
14863 | dpyinfo->screen = ScreenOfDisplay (dpyinfo->display, | |
14864 | DefaultScreen (dpyinfo->display)); | |
5ff67d81 | 14865 | select_visual (dpyinfo); |
43bd1b2b | 14866 | dpyinfo->cmap = DefaultColormapOfScreen (dpyinfo->screen); |
334208b7 RS |
14867 | dpyinfo->height = HeightOfScreen (dpyinfo->screen); |
14868 | dpyinfo->width = WidthOfScreen (dpyinfo->screen); | |
14869 | dpyinfo->root_window = RootWindowOfScreen (dpyinfo->screen); | |
14870 | dpyinfo->grabbed = 0; | |
14871 | dpyinfo->reference_count = 0; | |
14872 | dpyinfo->icon_bitmap_id = -1; | |
06a2c219 | 14873 | dpyinfo->font_table = NULL; |
7a13e894 RS |
14874 | dpyinfo->n_fonts = 0; |
14875 | dpyinfo->font_table_size = 0; | |
14876 | dpyinfo->bitmaps = 0; | |
14877 | dpyinfo->bitmaps_size = 0; | |
14878 | dpyinfo->bitmaps_last = 0; | |
14879 | dpyinfo->scratch_cursor_gc = 0; | |
14880 | dpyinfo->mouse_face_mouse_frame = 0; | |
14881 | dpyinfo->mouse_face_deferred_gc = 0; | |
14882 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
14883 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
06a2c219 | 14884 | dpyinfo->mouse_face_face_id = DEFAULT_FACE_ID; |
7a13e894 | 14885 | dpyinfo->mouse_face_window = Qnil; |
0a61c667 | 14886 | dpyinfo->mouse_face_overlay = Qnil; |
7a13e894 RS |
14887 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; |
14888 | dpyinfo->mouse_face_defer = 0; | |
66301061 | 14889 | dpyinfo->mouse_face_hidden = 0; |
0f941935 KH |
14890 | dpyinfo->x_focus_frame = 0; |
14891 | dpyinfo->x_focus_event_frame = 0; | |
14892 | dpyinfo->x_highlight_frame = 0; | |
06a2c219 | 14893 | dpyinfo->image_cache = make_image_cache (); |
334208b7 | 14894 | |
43bd1b2b | 14895 | /* See if a private colormap is requested. */ |
5ff67d81 GM |
14896 | if (dpyinfo->visual == DefaultVisualOfScreen (dpyinfo->screen)) |
14897 | { | |
14898 | if (dpyinfo->visual->class == PseudoColor) | |
14899 | { | |
14900 | Lisp_Object value; | |
14901 | value = display_x_get_resource (dpyinfo, | |
14902 | build_string ("privateColormap"), | |
14903 | build_string ("PrivateColormap"), | |
14904 | Qnil, Qnil); | |
14905 | if (STRINGP (value) | |
d5db4077 KR |
14906 | && (!strcmp (SDATA (value), "true") |
14907 | || !strcmp (SDATA (value), "on"))) | |
5ff67d81 GM |
14908 | dpyinfo->cmap = XCopyColormapAndFree (dpyinfo->display, dpyinfo->cmap); |
14909 | } | |
43bd1b2b | 14910 | } |
5ff67d81 GM |
14911 | else |
14912 | dpyinfo->cmap = XCreateColormap (dpyinfo->display, dpyinfo->root_window, | |
14913 | dpyinfo->visual, AllocNone); | |
7d0393cf | 14914 | |
06a2c219 GM |
14915 | { |
14916 | int screen_number = XScreenNumberOfScreen (dpyinfo->screen); | |
14917 | double pixels = DisplayHeight (dpyinfo->display, screen_number); | |
14918 | double mm = DisplayHeightMM (dpyinfo->display, screen_number); | |
14919 | dpyinfo->resy = pixels * 25.4 / mm; | |
14920 | pixels = DisplayWidth (dpyinfo->display, screen_number); | |
14921 | mm = DisplayWidthMM (dpyinfo->display, screen_number); | |
14922 | dpyinfo->resx = pixels * 25.4 / mm; | |
14923 | } | |
7d0393cf | 14924 | |
334208b7 RS |
14925 | dpyinfo->Xatom_wm_protocols |
14926 | = XInternAtom (dpyinfo->display, "WM_PROTOCOLS", False); | |
14927 | dpyinfo->Xatom_wm_take_focus | |
14928 | = XInternAtom (dpyinfo->display, "WM_TAKE_FOCUS", False); | |
14929 | dpyinfo->Xatom_wm_save_yourself | |
14930 | = XInternAtom (dpyinfo->display, "WM_SAVE_YOURSELF", False); | |
14931 | dpyinfo->Xatom_wm_delete_window | |
14932 | = XInternAtom (dpyinfo->display, "WM_DELETE_WINDOW", False); | |
14933 | dpyinfo->Xatom_wm_change_state | |
14934 | = XInternAtom (dpyinfo->display, "WM_CHANGE_STATE", False); | |
14935 | dpyinfo->Xatom_wm_configure_denied | |
14936 | = XInternAtom (dpyinfo->display, "WM_CONFIGURE_DENIED", False); | |
14937 | dpyinfo->Xatom_wm_window_moved | |
14938 | = XInternAtom (dpyinfo->display, "WM_MOVED", False); | |
14939 | dpyinfo->Xatom_editres | |
14940 | = XInternAtom (dpyinfo->display, "Editres", False); | |
14941 | dpyinfo->Xatom_CLIPBOARD | |
14942 | = XInternAtom (dpyinfo->display, "CLIPBOARD", False); | |
14943 | dpyinfo->Xatom_TIMESTAMP | |
14944 | = XInternAtom (dpyinfo->display, "TIMESTAMP", False); | |
14945 | dpyinfo->Xatom_TEXT | |
14946 | = XInternAtom (dpyinfo->display, "TEXT", False); | |
dc43ef94 KH |
14947 | dpyinfo->Xatom_COMPOUND_TEXT |
14948 | = XInternAtom (dpyinfo->display, "COMPOUND_TEXT", False); | |
c62525b7 KH |
14949 | dpyinfo->Xatom_UTF8_STRING |
14950 | = XInternAtom (dpyinfo->display, "UTF8_STRING", False); | |
334208b7 RS |
14951 | dpyinfo->Xatom_DELETE |
14952 | = XInternAtom (dpyinfo->display, "DELETE", False); | |
14953 | dpyinfo->Xatom_MULTIPLE | |
14954 | = XInternAtom (dpyinfo->display, "MULTIPLE", False); | |
14955 | dpyinfo->Xatom_INCR | |
14956 | = XInternAtom (dpyinfo->display, "INCR", False); | |
14957 | dpyinfo->Xatom_EMACS_TMP | |
14958 | = XInternAtom (dpyinfo->display, "_EMACS_TMP_", False); | |
14959 | dpyinfo->Xatom_TARGETS | |
14960 | = XInternAtom (dpyinfo->display, "TARGETS", False); | |
14961 | dpyinfo->Xatom_NULL | |
14962 | = XInternAtom (dpyinfo->display, "NULL", False); | |
14963 | dpyinfo->Xatom_ATOM_PAIR | |
14964 | = XInternAtom (dpyinfo->display, "ATOM_PAIR", False); | |
dc43ef94 KH |
14965 | /* For properties of font. */ |
14966 | dpyinfo->Xatom_PIXEL_SIZE | |
14967 | = XInternAtom (dpyinfo->display, "PIXEL_SIZE", False); | |
14968 | dpyinfo->Xatom_MULE_BASELINE_OFFSET | |
14969 | = XInternAtom (dpyinfo->display, "_MULE_BASELINE_OFFSET", False); | |
14970 | dpyinfo->Xatom_MULE_RELATIVE_COMPOSE | |
14971 | = XInternAtom (dpyinfo->display, "_MULE_RELATIVE_COMPOSE", False); | |
f78798df KH |
14972 | dpyinfo->Xatom_MULE_DEFAULT_ASCENT |
14973 | = XInternAtom (dpyinfo->display, "_MULE_DEFAULT_ASCENT", False); | |
334208b7 | 14974 | |
06a2c219 GM |
14975 | /* Ghostscript support. */ |
14976 | dpyinfo->Xatom_PAGE = XInternAtom (dpyinfo->display, "PAGE", False); | |
14977 | dpyinfo->Xatom_DONE = XInternAtom (dpyinfo->display, "DONE", False); | |
7d0393cf | 14978 | |
06a2c219 GM |
14979 | dpyinfo->Xatom_Scrollbar = XInternAtom (dpyinfo->display, "SCROLLBAR", |
14980 | False); | |
14981 | ||
547d9db8 KH |
14982 | dpyinfo->cut_buffers_initialized = 0; |
14983 | ||
334208b7 RS |
14984 | connection = ConnectionNumber (dpyinfo->display); |
14985 | dpyinfo->connection = connection; | |
14986 | ||
dc43ef94 | 14987 | { |
5d7cc324 RS |
14988 | char null_bits[1]; |
14989 | ||
14990 | null_bits[0] = 0x00; | |
dc43ef94 KH |
14991 | |
14992 | dpyinfo->null_pixel | |
7d0393cf | 14993 | = XCreatePixmapFromBitmapData (dpyinfo->display, dpyinfo->root_window, |
dc43ef94 KH |
14994 | null_bits, 1, 1, (long) 0, (long) 0, |
14995 | 1); | |
14996 | } | |
14997 | ||
06a2c219 GM |
14998 | { |
14999 | extern int gray_bitmap_width, gray_bitmap_height; | |
10659c77 | 15000 | extern char *gray_bitmap_bits; |
06a2c219 GM |
15001 | dpyinfo->gray |
15002 | = XCreatePixmapFromBitmapData (dpyinfo->display, dpyinfo->root_window, | |
15003 | gray_bitmap_bits, | |
15004 | gray_bitmap_width, gray_bitmap_height, | |
15005 | (unsigned long) 1, (unsigned long) 0, 1); | |
15006 | } | |
15007 | ||
f5d11644 GM |
15008 | #ifdef HAVE_X_I18N |
15009 | xim_initialize (dpyinfo, resource_name); | |
15010 | #endif | |
7d0393cf | 15011 | |
87485d6f MW |
15012 | #ifdef subprocesses |
15013 | /* This is only needed for distinguishing keyboard and process input. */ | |
334208b7 | 15014 | if (connection != 0) |
7a13e894 | 15015 | add_keyboard_wait_descriptor (connection); |
87485d6f | 15016 | #endif |
6d4238f3 | 15017 | |
041b69ac | 15018 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 15019 | #ifdef F_SETOWN |
dc6f92b8 | 15020 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 | 15021 | /* stdin is a socket here */ |
334208b7 | 15022 | fcntl (connection, F_SETOWN, -getpid ()); |
c118dd06 | 15023 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
334208b7 | 15024 | fcntl (connection, F_SETOWN, getpid ()); |
c118dd06 JB |
15025 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
15026 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 15027 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
15028 | |
15029 | #ifdef SIGIO | |
eee20f6a KH |
15030 | if (interrupt_input) |
15031 | init_sigio (connection); | |
c118dd06 | 15032 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 15033 | |
51b592fb | 15034 | #ifdef USE_LUCID |
f8c39f51 | 15035 | #ifdef HAVE_X11R5 /* It seems X11R4 lacks XtCvtStringToFont, and XPointer. */ |
51b592fb RS |
15036 | /* Make sure that we have a valid font for dialog boxes |
15037 | so that Xt does not crash. */ | |
15038 | { | |
15039 | Display *dpy = dpyinfo->display; | |
15040 | XrmValue d, fr, to; | |
15041 | Font font; | |
e99db5a1 | 15042 | int count; |
7d0393cf | 15043 | |
51b592fb RS |
15044 | d.addr = (XPointer)&dpy; |
15045 | d.size = sizeof (Display *); | |
15046 | fr.addr = XtDefaultFont; | |
15047 | fr.size = sizeof (XtDefaultFont); | |
15048 | to.size = sizeof (Font *); | |
15049 | to.addr = (XPointer)&font; | |
e99db5a1 | 15050 | count = x_catch_errors (dpy); |
51b592fb RS |
15051 | if (!XtCallConverter (dpy, XtCvtStringToFont, &d, 1, &fr, &to, NULL)) |
15052 | abort (); | |
15053 | if (x_had_errors_p (dpy) || !XQueryFont (dpy, font)) | |
15054 | XrmPutLineResource (&xrdb, "Emacs.dialog.*.font: 9x15"); | |
e99db5a1 | 15055 | x_uncatch_errors (dpy, count); |
51b592fb RS |
15056 | } |
15057 | #endif | |
f8c39f51 | 15058 | #endif |
51b592fb | 15059 | |
34e23e5a GM |
15060 | /* See if we should run in synchronous mode. This is useful |
15061 | for debugging X code. */ | |
15062 | { | |
15063 | Lisp_Object value; | |
15064 | value = display_x_get_resource (dpyinfo, | |
15065 | build_string ("synchronous"), | |
15066 | build_string ("Synchronous"), | |
15067 | Qnil, Qnil); | |
15068 | if (STRINGP (value) | |
d5db4077 KR |
15069 | && (!strcmp (SDATA (value), "true") |
15070 | || !strcmp (SDATA (value), "on"))) | |
34e23e5a GM |
15071 | XSynchronize (dpyinfo->display, True); |
15072 | } | |
7d0393cf | 15073 | |
60439948 KH |
15074 | UNBLOCK_INPUT; |
15075 | ||
7a13e894 RS |
15076 | return dpyinfo; |
15077 | } | |
15078 | \f | |
15079 | /* Get rid of display DPYINFO, assuming all frames are already gone, | |
15080 | and without sending any more commands to the X server. */ | |
dc6f92b8 | 15081 | |
7a13e894 RS |
15082 | void |
15083 | x_delete_display (dpyinfo) | |
15084 | struct x_display_info *dpyinfo; | |
15085 | { | |
15086 | delete_keyboard_wait_descriptor (dpyinfo->connection); | |
15087 | ||
15088 | /* Discard this display from x_display_name_list and x_display_list. | |
15089 | We can't use Fdelq because that can quit. */ | |
15090 | if (! NILP (x_display_name_list) | |
8e713be6 KR |
15091 | && EQ (XCAR (x_display_name_list), dpyinfo->name_list_element)) |
15092 | x_display_name_list = XCDR (x_display_name_list); | |
7a13e894 RS |
15093 | else |
15094 | { | |
15095 | Lisp_Object tail; | |
15096 | ||
15097 | tail = x_display_name_list; | |
8e713be6 | 15098 | while (CONSP (tail) && CONSP (XCDR (tail))) |
7a13e894 | 15099 | { |
bffcfca9 | 15100 | if (EQ (XCAR (XCDR (tail)), dpyinfo->name_list_element)) |
7a13e894 | 15101 | { |
f3fbd155 | 15102 | XSETCDR (tail, XCDR (XCDR (tail))); |
7a13e894 RS |
15103 | break; |
15104 | } | |
8e713be6 | 15105 | tail = XCDR (tail); |
7a13e894 RS |
15106 | } |
15107 | } | |
15108 | ||
9bda743f GM |
15109 | if (next_noop_dpyinfo == dpyinfo) |
15110 | next_noop_dpyinfo = dpyinfo->next; | |
15111 | ||
7a13e894 RS |
15112 | if (x_display_list == dpyinfo) |
15113 | x_display_list = dpyinfo->next; | |
7f9c7f94 RS |
15114 | else |
15115 | { | |
15116 | struct x_display_info *tail; | |
7a13e894 | 15117 | |
7f9c7f94 RS |
15118 | for (tail = x_display_list; tail; tail = tail->next) |
15119 | if (tail->next == dpyinfo) | |
15120 | tail->next = tail->next->next; | |
15121 | } | |
7a13e894 | 15122 | |
0d777288 RS |
15123 | #ifndef USE_X_TOOLKIT /* I'm told Xt does this itself. */ |
15124 | #ifndef AIX /* On AIX, XCloseDisplay calls this. */ | |
7f9c7f94 RS |
15125 | XrmDestroyDatabase (dpyinfo->xrdb); |
15126 | #endif | |
0d777288 | 15127 | #endif |
29b38361 KH |
15128 | #ifdef MULTI_KBOARD |
15129 | if (--dpyinfo->kboard->reference_count == 0) | |
39f79001 | 15130 | delete_kboard (dpyinfo->kboard); |
b9737ad3 | 15131 | #endif |
f5d11644 GM |
15132 | #ifdef HAVE_X_I18N |
15133 | if (dpyinfo->xim) | |
15134 | xim_close_dpy (dpyinfo); | |
15135 | #endif | |
7d0393cf | 15136 | |
b9737ad3 KH |
15137 | xfree (dpyinfo->font_table); |
15138 | xfree (dpyinfo->x_id_name); | |
f04e1297 | 15139 | xfree (dpyinfo->color_cells); |
b9737ad3 | 15140 | xfree (dpyinfo); |
7a13e894 | 15141 | } |
f04e1297 | 15142 | |
7a13e894 RS |
15143 | \f |
15144 | /* Set up use of X before we make the first connection. */ | |
15145 | ||
06a2c219 GM |
15146 | static struct redisplay_interface x_redisplay_interface = |
15147 | { | |
15148 | x_produce_glyphs, | |
15149 | x_write_glyphs, | |
15150 | x_insert_glyphs, | |
15151 | x_clear_end_of_line, | |
15152 | x_scroll_run, | |
15153 | x_after_update_window_line, | |
15154 | x_update_window_begin, | |
15155 | x_update_window_end, | |
15156 | XTcursor_to, | |
15157 | x_flush, | |
71b8321e | 15158 | x_clear_mouse_face, |
66ac4b0e GM |
15159 | x_get_glyph_overhangs, |
15160 | x_fix_overlapping_area | |
06a2c219 GM |
15161 | }; |
15162 | ||
dfcf069d | 15163 | void |
7a13e894 RS |
15164 | x_initialize () |
15165 | { | |
06a2c219 GM |
15166 | rif = &x_redisplay_interface; |
15167 | ||
15168 | clear_frame_hook = x_clear_frame; | |
15169 | ins_del_lines_hook = x_ins_del_lines; | |
06a2c219 | 15170 | delete_glyphs_hook = x_delete_glyphs; |
dc6f92b8 JB |
15171 | ring_bell_hook = XTring_bell; |
15172 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
15173 | set_terminal_modes_hook = XTset_terminal_modes; | |
06a2c219 GM |
15174 | update_begin_hook = x_update_begin; |
15175 | update_end_hook = x_update_end; | |
dc6f92b8 JB |
15176 | set_terminal_window_hook = XTset_terminal_window; |
15177 | read_socket_hook = XTread_socket; | |
b8009dd1 | 15178 | frame_up_to_date_hook = XTframe_up_to_date; |
90e65f07 | 15179 | mouse_position_hook = XTmouse_position; |
f451eb13 | 15180 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 15181 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
15182 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
15183 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
15184 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
15185 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
06a2c219 | 15186 | estimate_mode_line_height_hook = x_estimate_mode_line_height; |
58769bee | 15187 | |
f676886a | 15188 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
9017309f | 15189 | char_ins_del_ok = 1; |
dc6f92b8 JB |
15190 | line_ins_del_ok = 1; /* we'll just blt 'em */ |
15191 | fast_clear_end_of_line = 1; /* X does this well */ | |
58769bee | 15192 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
15193 | off the bottom */ |
15194 | baud_rate = 19200; | |
15195 | ||
7a13e894 | 15196 | x_noop_count = 0; |
9ea173e8 | 15197 | last_tool_bar_item = -1; |
06a2c219 | 15198 | any_help_event_p = 0; |
7d0393cf | 15199 | |
b30b24cb RS |
15200 | /* Try to use interrupt input; if we can't, then start polling. */ |
15201 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
15202 | ||
7f9c7f94 RS |
15203 | #ifdef USE_X_TOOLKIT |
15204 | XtToolkitInitialize (); | |
651f03b6 | 15205 | |
7f9c7f94 | 15206 | Xt_app_con = XtCreateApplicationContext (); |
7d0393cf | 15207 | |
651f03b6 GM |
15208 | /* Register a converter from strings to pixels, which uses |
15209 | Emacs' color allocation infrastructure. */ | |
15210 | XtAppSetTypeConverter (Xt_app_con, | |
15211 | XtRString, XtRPixel, cvt_string_to_pixel, | |
15212 | cvt_string_to_pixel_args, | |
15213 | XtNumber (cvt_string_to_pixel_args), | |
15214 | XtCacheByDisplay, cvt_pixel_dtor); | |
15215 | ||
665881ad | 15216 | XtAppSetFallbackResources (Xt_app_con, Xt_default_resources); |
bffcfca9 GM |
15217 | |
15218 | /* Install an asynchronous timer that processes Xt timeout events | |
15219 | every 0.1s. This is necessary because some widget sets use | |
15220 | timeouts internally, for example the LessTif menu bar, or the | |
15221 | Xaw3d scroll bar. When Xt timouts aren't processed, these | |
15222 | widgets don't behave normally. */ | |
15223 | { | |
15224 | EMACS_TIME interval; | |
15225 | EMACS_SET_SECS_USECS (interval, 0, 100000); | |
15226 | start_atimer (ATIMER_CONTINUOUS, interval, x_process_timeouts, 0); | |
15227 | } | |
db74249b | 15228 | #endif |
7d0393cf | 15229 | |
eccc05db | 15230 | #ifdef USE_TOOLKIT_SCROLL_BARS |
ec18280f SM |
15231 | xaw3d_arrow_scroll = False; |
15232 | xaw3d_pick_top = True; | |
7f9c7f94 RS |
15233 | #endif |
15234 | ||
58769bee | 15235 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 15236 | original error handler. */ |
e99db5a1 | 15237 | XSetErrorHandler (x_error_handler); |
334208b7 | 15238 | XSetIOErrorHandler (x_io_error_quitter); |
dc6f92b8 | 15239 | |
06a2c219 | 15240 | /* Disable Window Change signals; they are handled by X events. */ |
dc6f92b8 JB |
15241 | #ifdef SIGWINCH |
15242 | signal (SIGWINCH, SIG_DFL); | |
a59facca | 15243 | #endif /* SIGWINCH */ |
dc6f92b8 | 15244 | |
92e2441b | 15245 | signal (SIGPIPE, x_connection_signal); |
5f30b957 JD |
15246 | |
15247 | #ifdef HAVE_X_SM | |
15248 | x_session_initialize (); | |
15249 | #endif | |
dc6f92b8 | 15250 | } |
55123275 | 15251 | |
06a2c219 | 15252 | |
55123275 JB |
15253 | void |
15254 | syms_of_xterm () | |
15255 | { | |
e99db5a1 RS |
15256 | staticpro (&x_error_message_string); |
15257 | x_error_message_string = Qnil; | |
15258 | ||
7a13e894 RS |
15259 | staticpro (&x_display_name_list); |
15260 | x_display_name_list = Qnil; | |
334208b7 | 15261 | |
ab648270 | 15262 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 15263 | last_mouse_scroll_bar = Qnil; |
59e755be KH |
15264 | |
15265 | staticpro (&Qvendor_specific_keysyms); | |
15266 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
2237cac9 | 15267 | |
c997eae5 SM |
15268 | staticpro (&Qutf_8); |
15269 | Qutf_8 = intern ("utf-8"); | |
15270 | staticpro (&Qlatin_1); | |
15271 | Qlatin_1 = intern ("latin-1"); | |
15272 | ||
2237cac9 RS |
15273 | staticpro (&last_mouse_press_frame); |
15274 | last_mouse_press_frame = Qnil; | |
06a2c219 | 15275 | |
06a2c219 | 15276 | help_echo = Qnil; |
be010514 GM |
15277 | staticpro (&help_echo); |
15278 | help_echo_object = Qnil; | |
15279 | staticpro (&help_echo_object); | |
7cea38bc GM |
15280 | help_echo_window = Qnil; |
15281 | staticpro (&help_echo_window); | |
06a2c219 | 15282 | previous_help_echo = Qnil; |
be010514 GM |
15283 | staticpro (&previous_help_echo); |
15284 | help_echo_pos = -1; | |
06a2c219 | 15285 | |
ee8ceff8 | 15286 | DEFVAR_BOOL ("mouse-autoselect-window", &mouse_autoselect_window, |
503e457e | 15287 | doc: /* *Non-nil means autoselect window with mouse pointer. */); |
ee8ceff8 | 15288 | mouse_autoselect_window = 0; |
503e457e | 15289 | |
7ee72033 MB |
15290 | DEFVAR_BOOL ("x-stretch-cursor", &x_stretch_cursor_p, |
15291 | doc: /* *Non-nil means draw block cursor as wide as the glyph under it. | |
228299fa GM |
15292 | For example, if a block cursor is over a tab, it will be drawn as |
15293 | wide as that tab on the display. */); | |
06a2c219 GM |
15294 | x_stretch_cursor_p = 0; |
15295 | ||
a72d5ce5 | 15296 | DEFVAR_BOOL ("x-use-underline-position-properties", |
7ee72033 MB |
15297 | &x_use_underline_position_properties, |
15298 | doc: /* *Non-nil means make use of UNDERLINE_POSITION font properties. | |
f0529b5b | 15299 | nil means ignore them. If you encounter fonts with bogus |
228299fa GM |
15300 | UNDERLINE_POSITION font properties, for example 7x13 on XFree prior |
15301 | to 4.1, set this to nil. */); | |
a72d5ce5 GM |
15302 | x_use_underline_position_properties = 1; |
15303 | ||
7ee72033 MB |
15304 | DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars, |
15305 | doc: /* What X toolkit scroll bars Emacs uses. | |
228299fa GM |
15306 | A value of nil means Emacs doesn't use X toolkit scroll bars. |
15307 | Otherwise, value is a symbol describing the X toolkit. */); | |
eccc05db | 15308 | #ifdef USE_TOOLKIT_SCROLL_BARS |
5bf04520 GM |
15309 | #ifdef USE_MOTIF |
15310 | Vx_toolkit_scroll_bars = intern ("motif"); | |
15311 | #elif defined HAVE_XAW3D | |
15312 | Vx_toolkit_scroll_bars = intern ("xaw3d"); | |
15313 | #else | |
15314 | Vx_toolkit_scroll_bars = intern ("xaw"); | |
15315 | #endif | |
06a2c219 | 15316 | #else |
5bf04520 | 15317 | Vx_toolkit_scroll_bars = Qnil; |
06a2c219 GM |
15318 | #endif |
15319 | ||
06a2c219 GM |
15320 | staticpro (&last_mouse_motion_frame); |
15321 | last_mouse_motion_frame = Qnil; | |
7d0393cf | 15322 | |
98659da6 KG |
15323 | Qmodifier_value = intern ("modifier-value"); |
15324 | Qalt = intern ("alt"); | |
15325 | Fput (Qalt, Qmodifier_value, make_number (alt_modifier)); | |
15326 | Qhyper = intern ("hyper"); | |
15327 | Fput (Qhyper, Qmodifier_value, make_number (hyper_modifier)); | |
15328 | Qmeta = intern ("meta"); | |
15329 | Fput (Qmeta, Qmodifier_value, make_number (meta_modifier)); | |
15330 | Qsuper = intern ("super"); | |
15331 | Fput (Qsuper, Qmodifier_value, make_number (super_modifier)); | |
7d0393cf | 15332 | |
98659da6 KG |
15333 | DEFVAR_LISP ("x-alt-keysym", &Vx_alt_keysym, |
15334 | doc: /* Which keys Emacs uses for the alt modifier. | |
15335 | This should be one of the symbols `alt', `hyper', `meta', `super'. | |
15336 | For example, `alt' means use the Alt_L and Alt_R keysyms. The default | |
15337 | is nil, which is the same as `alt'. */); | |
15338 | Vx_alt_keysym = Qnil; | |
7d0393cf | 15339 | |
98659da6 KG |
15340 | DEFVAR_LISP ("x-hyper-keysym", &Vx_hyper_keysym, |
15341 | doc: /* Which keys Emacs uses for the hyper modifier. | |
15342 | This should be one of the symbols `alt', `hyper', `meta', `super'. | |
15343 | For example, `hyper' means use the Hyper_L and Hyper_R keysyms. The | |
15344 | default is nil, which is the same as `hyper'. */); | |
15345 | Vx_hyper_keysym = Qnil; | |
7d0393cf | 15346 | |
98659da6 KG |
15347 | DEFVAR_LISP ("x-meta-keysym", &Vx_meta_keysym, |
15348 | doc: /* Which keys Emacs uses for the meta modifier. | |
15349 | This should be one of the symbols `alt', `hyper', `meta', `super'. | |
15350 | For example, `meta' means use the Meta_L and Meta_R keysyms. The | |
15351 | default is nil, which is the same as `meta'. */); | |
15352 | Vx_meta_keysym = Qnil; | |
7d0393cf | 15353 | |
98659da6 KG |
15354 | DEFVAR_LISP ("x-super-keysym", &Vx_super_keysym, |
15355 | doc: /* Which keys Emacs uses for the super modifier. | |
15356 | This should be one of the symbols `alt', `hyper', `meta', `super'. | |
15357 | For example, `super' means use the Super_L and Super_R keysyms. The | |
15358 | default is nil, which is the same as `super'. */); | |
15359 | Vx_super_keysym = Qnil; | |
15360 | ||
55123275 | 15361 | } |
6cf0ae86 | 15362 | |
1d6c120a | 15363 | #endif /* HAVE_X_WINDOWS */ |