Commit | Line | Data |
---|---|---|
dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
edf36fe6 | 2 | Copyright (C) 1989, 93, 94, 95, 96, 1997, 1998, 1999, 2000, 2001 |
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 PJ |
100 | #ifdef USE_LUCID |
101 | extern int xlwmenu_window_p (Widget w, Window window); | |
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 | |
175 | #define zv_height 8 | |
176 | static unsigned char zv_bits[] = { | |
177 | 0x00, 0x00, 0x1e, 0x1e, 0x1e, 0x1e, 0x00, 0x00}; | |
178 | ||
179 | /* An arrow like this: `<-'. */ | |
180 | ||
181 | #define left_width 8 | |
182 | #define left_height 8 | |
183 | static unsigned char left_bits[] = { | |
184 | 0x18, 0x0c, 0x06, 0x3f, 0x3f, 0x06, 0x0c, 0x18}; | |
185 | ||
110859fc GM |
186 | /* Right truncation arrow bitmap `->'. */ |
187 | ||
188 | #define right_width 8 | |
189 | #define right_height 8 | |
190 | static unsigned char right_bits[] = { | |
191 | 0x18, 0x30, 0x60, 0xfc, 0xfc, 0x60, 0x30, 0x18}; | |
192 | ||
06a2c219 GM |
193 | /* Marker for continued lines. */ |
194 | ||
195 | #define continued_width 8 | |
196 | #define continued_height 8 | |
197 | static unsigned char continued_bits[] = { | |
110859fc GM |
198 | 0x3c, 0x7c, 0xc0, 0xe4, 0xfc, 0x7c, 0x3c, 0x7c}; |
199 | ||
200 | /* Marker for continuation lines. */ | |
06a2c219 GM |
201 | |
202 | #define continuation_width 8 | |
203 | #define continuation_height 8 | |
204 | static unsigned char continuation_bits[] = { | |
110859fc | 205 | 0x3c, 0x3e, 0x03, 0x27, 0x3f, 0x3e, 0x3c, 0x3e}; |
06a2c219 | 206 | |
110859fc | 207 | /* Overlay arrow bitmap. */ |
06a2c219 | 208 | |
110859fc GM |
209 | #if 0 |
210 | /* A bomb. */ | |
06a2c219 GM |
211 | #define ov_width 8 |
212 | #define ov_height 8 | |
213 | static unsigned char ov_bits[] = { | |
214 | 0x30, 0x08, 0x3c, 0x7e, 0x7a, 0x7a, 0x62, 0x3c}; | |
06a2c219 | 215 | #else |
110859fc | 216 | /* A triangular arrow. */ |
06a2c219 GM |
217 | #define ov_width 8 |
218 | #define ov_height 8 | |
219 | static unsigned char ov_bits[] = { | |
110859fc GM |
220 | 0x03, 0x0f, 0x1f, 0x3f, 0x3f, 0x1f, 0x0f, 0x03}; |
221 | ||
e4b68333 | 222 | #endif |
06a2c219 GM |
223 | |
224 | extern Lisp_Object Qhelp_echo; | |
225 | ||
69388238 | 226 | \f |
5bf04520 | 227 | /* Non-nil means Emacs uses toolkit scroll bars. */ |
06a2c219 | 228 | |
5bf04520 | 229 | Lisp_Object Vx_toolkit_scroll_bars; |
06a2c219 GM |
230 | |
231 | /* If a string, XTread_socket generates an event to display that string. | |
232 | (The display is done in read_char.) */ | |
233 | ||
234 | static Lisp_Object help_echo; | |
7cea38bc | 235 | static Lisp_Object help_echo_window; |
be010514 GM |
236 | static Lisp_Object help_echo_object; |
237 | static int help_echo_pos; | |
06a2c219 GM |
238 | |
239 | /* Temporary variable for XTread_socket. */ | |
240 | ||
241 | static Lisp_Object previous_help_echo; | |
242 | ||
243 | /* Non-zero means that a HELP_EVENT has been generated since Emacs | |
244 | start. */ | |
245 | ||
246 | static int any_help_event_p; | |
247 | ||
248 | /* Non-zero means draw block and hollow cursor as wide as the glyph | |
249 | under it. For example, if a block cursor is over a tab, it will be | |
250 | drawn as wide as that tab on the display. */ | |
251 | ||
252 | int x_stretch_cursor_p; | |
253 | ||
a72d5ce5 GM |
254 | /* Non-zero means make use of UNDERLINE_POSITION font properties. */ |
255 | ||
256 | int x_use_underline_position_properties; | |
257 | ||
06a2c219 GM |
258 | /* This is a chain of structures for all the X displays currently in |
259 | use. */ | |
260 | ||
334208b7 | 261 | struct x_display_info *x_display_list; |
dc6f92b8 | 262 | |
06a2c219 GM |
263 | /* This is a list of cons cells, each of the form (NAME |
264 | . FONT-LIST-CACHE), one for each element of x_display_list and in | |
265 | the same order. NAME is the name of the frame. FONT-LIST-CACHE | |
266 | records previous values returned by x-list-fonts. */ | |
267 | ||
7a13e894 | 268 | Lisp_Object x_display_name_list; |
f451eb13 | 269 | |
987d2ad1 | 270 | /* Frame being updated by update_frame. This is declared in term.c. |
06a2c219 GM |
271 | This is set by update_begin and looked at by all the XT functions. |
272 | It is zero while not inside an update. In that case, the XT | |
273 | functions assume that `selected_frame' is the frame to apply to. */ | |
274 | ||
d0386f2a | 275 | extern struct frame *updating_frame; |
dc6f92b8 | 276 | |
06a2c219 GM |
277 | /* This is a frame waiting to be auto-raised, within XTread_socket. */ |
278 | ||
0134a210 RS |
279 | struct frame *pending_autoraise_frame; |
280 | ||
7f9c7f94 RS |
281 | #ifdef USE_X_TOOLKIT |
282 | /* The application context for Xt use. */ | |
283 | XtAppContext Xt_app_con; | |
06a2c219 GM |
284 | static String Xt_default_resources[] = {0}; |
285 | #endif /* USE_X_TOOLKIT */ | |
665881ad | 286 | |
06a2c219 GM |
287 | /* Nominal cursor position -- where to draw output. |
288 | HPOS and VPOS are window relative glyph matrix coordinates. | |
289 | X and Y are window relative pixel coordinates. */ | |
dc6f92b8 | 290 | |
06a2c219 | 291 | struct cursor_pos output_cursor; |
dc6f92b8 | 292 | |
bffcfca9 GM |
293 | /* Non-zero means user is interacting with a toolkit scroll bar. */ |
294 | ||
295 | static int toolkit_scroll_bar_interaction; | |
dc6f92b8 | 296 | |
69388238 RS |
297 | /* Mouse movement. |
298 | ||
06a2c219 | 299 | Formerly, we used PointerMotionHintMask (in standard_event_mask) |
f5bb65ec RS |
300 | so that we would have to call XQueryPointer after each MotionNotify |
301 | event to ask for another such event. However, this made mouse tracking | |
302 | slow, and there was a bug that made it eventually stop. | |
303 | ||
304 | Simply asking for MotionNotify all the time seems to work better. | |
305 | ||
69388238 RS |
306 | In order to avoid asking for motion events and then throwing most |
307 | of them away or busy-polling the server for mouse positions, we ask | |
308 | the server for pointer motion hints. This means that we get only | |
309 | one event per group of mouse movements. "Groups" are delimited by | |
310 | other kinds of events (focus changes and button clicks, for | |
311 | example), or by XQueryPointer calls; when one of these happens, we | |
312 | get another MotionNotify event the next time the mouse moves. This | |
313 | is at least as efficient as getting motion events when mouse | |
314 | tracking is on, and I suspect only negligibly worse when tracking | |
f5bb65ec | 315 | is off. */ |
69388238 RS |
316 | |
317 | /* Where the mouse was last time we reported a mouse event. */ | |
69388238 | 318 | |
06a2c219 GM |
319 | FRAME_PTR last_mouse_frame; |
320 | static XRectangle last_mouse_glyph; | |
2237cac9 RS |
321 | static Lisp_Object last_mouse_press_frame; |
322 | ||
69388238 RS |
323 | /* The scroll bar in which the last X motion event occurred. |
324 | ||
06a2c219 GM |
325 | If the last X motion event occurred in a scroll bar, we set this so |
326 | XTmouse_position can know whether to report a scroll bar motion or | |
69388238 RS |
327 | an ordinary motion. |
328 | ||
06a2c219 GM |
329 | If the last X motion event didn't occur in a scroll bar, we set |
330 | this to Qnil, to tell XTmouse_position to return an ordinary motion | |
331 | event. */ | |
332 | ||
69388238 RS |
333 | static Lisp_Object last_mouse_scroll_bar; |
334 | ||
69388238 RS |
335 | /* This is a hack. We would really prefer that XTmouse_position would |
336 | return the time associated with the position it returns, but there | |
06a2c219 | 337 | doesn't seem to be any way to wrest the time-stamp from the server |
69388238 RS |
338 | along with the position query. So, we just keep track of the time |
339 | of the last movement we received, and return that in hopes that | |
340 | it's somewhat accurate. */ | |
06a2c219 | 341 | |
69388238 RS |
342 | static Time last_mouse_movement_time; |
343 | ||
06a2c219 GM |
344 | /* Incremented by XTread_socket whenever it really tries to read |
345 | events. */ | |
346 | ||
c0a04927 RS |
347 | #ifdef __STDC__ |
348 | static int volatile input_signal_count; | |
349 | #else | |
350 | static int input_signal_count; | |
351 | #endif | |
352 | ||
7a13e894 | 353 | /* Used locally within XTread_socket. */ |
06a2c219 | 354 | |
7a13e894 | 355 | static int x_noop_count; |
dc6f92b8 | 356 | |
7a13e894 | 357 | /* Initial values of argv and argc. */ |
06a2c219 | 358 | |
7a13e894 RS |
359 | extern char **initial_argv; |
360 | extern int initial_argc; | |
dc6f92b8 | 361 | |
7a13e894 | 362 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
dc6f92b8 | 363 | |
06a2c219 | 364 | /* Tells if a window manager is present or not. */ |
7a13e894 RS |
365 | |
366 | extern Lisp_Object Vx_no_window_manager; | |
dc6f92b8 | 367 | |
c2df547c | 368 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 369 | |
dc6f92b8 JB |
370 | extern int errno; |
371 | ||
dfeccd2d | 372 | /* A mask of extra modifier bits to put into every keyboard char. */ |
06a2c219 | 373 | |
64bb1782 RS |
374 | extern int extra_keyboard_modifiers; |
375 | ||
59e755be KH |
376 | static Lisp_Object Qvendor_specific_keysyms; |
377 | ||
952291d9 GM |
378 | extern XrmDatabase x_load_resources P_ ((Display *, char *, char *, char *)); |
379 | extern Lisp_Object x_icon_type P_ ((struct frame *)); | |
c32cdd9a | 380 | |
7a13e894 | 381 | |
06a2c219 GM |
382 | /* Enumeration for overriding/changing the face to use for drawing |
383 | glyphs in x_draw_glyphs. */ | |
384 | ||
385 | enum draw_glyphs_face | |
386 | { | |
387 | DRAW_NORMAL_TEXT, | |
388 | DRAW_INVERSE_VIDEO, | |
389 | DRAW_CURSOR, | |
390 | DRAW_MOUSE_FACE, | |
391 | DRAW_IMAGE_RAISED, | |
392 | DRAW_IMAGE_SUNKEN | |
393 | }; | |
394 | ||
b7f83f9e | 395 | static int cursor_in_mouse_face_p P_ ((struct window *)); |
fa262c07 | 396 | static int clear_mouse_face P_ ((struct x_display_info *)); |
651f03b6 | 397 | static int x_alloc_nearest_color_1 P_ ((Display *, Colormap, XColor *)); |
499b1844 | 398 | static void x_set_window_size_1 P_ ((struct frame *, int, int, int)); |
651f03b6 | 399 | static const XColor *x_color_cells P_ ((Display *, int *)); |
71b8321e | 400 | static void x_update_window_end P_ ((struct window *, int, int)); |
06a2c219 GM |
401 | static void frame_to_window_pixel_xy P_ ((struct window *, int *, int *)); |
402 | void x_delete_display P_ ((struct x_display_info *)); | |
403 | static unsigned int x_x_to_emacs_modifiers P_ ((struct x_display_info *, | |
404 | unsigned)); | |
405 | static int fast_find_position P_ ((struct window *, int, int *, int *, | |
7e376260 | 406 | int *, int *, Lisp_Object)); |
f9db2310 GM |
407 | static int fast_find_string_pos P_ ((struct window *, int, Lisp_Object, |
408 | int *, int *, int *, int *, int)); | |
06a2c219 GM |
409 | static void set_output_cursor P_ ((struct cursor_pos *)); |
410 | static struct glyph *x_y_to_hpos_vpos P_ ((struct window *, int, int, | |
f9db2310 | 411 | int *, int *, int *, int)); |
06a2c219 | 412 | static void note_mode_line_highlight P_ ((struct window *, int, int)); |
06a2c219 | 413 | static void note_mouse_highlight P_ ((struct frame *, int, int)); |
9ea173e8 GM |
414 | static void note_tool_bar_highlight P_ ((struct frame *f, int, int)); |
415 | static void x_handle_tool_bar_click P_ ((struct frame *, XButtonEvent *)); | |
06a2c219 GM |
416 | static void show_mouse_face P_ ((struct x_display_info *, |
417 | enum draw_glyphs_face)); | |
418 | static int x_io_error_quitter P_ ((Display *)); | |
419 | int x_catch_errors P_ ((Display *)); | |
420 | void x_uncatch_errors P_ ((Display *, int)); | |
421 | void x_lower_frame P_ ((struct frame *)); | |
422 | void x_scroll_bar_clear P_ ((struct frame *)); | |
423 | int x_had_errors_p P_ ((Display *)); | |
424 | void x_wm_set_size_hint P_ ((struct frame *, long, int)); | |
425 | void x_raise_frame P_ ((struct frame *)); | |
426 | void x_set_window_size P_ ((struct frame *, int, int, int)); | |
427 | void x_wm_set_window_state P_ ((struct frame *, int)); | |
428 | void x_wm_set_icon_pixmap P_ ((struct frame *, int)); | |
429 | void x_initialize P_ ((void)); | |
430 | static void x_font_min_bounds P_ ((XFontStruct *, int *, int *)); | |
431 | static int x_compute_min_glyph_bounds P_ ((struct frame *)); | |
432 | static void x_draw_phys_cursor_glyph P_ ((struct window *, | |
433 | struct glyph_row *, | |
434 | enum draw_glyphs_face)); | |
435 | static void x_update_end P_ ((struct frame *)); | |
436 | static void XTframe_up_to_date P_ ((struct frame *)); | |
06a2c219 GM |
437 | static void XTset_terminal_modes P_ ((void)); |
438 | static void XTreset_terminal_modes P_ ((void)); | |
439 | static void XTcursor_to P_ ((int, int, int, int)); | |
440 | static void x_write_glyphs P_ ((struct glyph *, int)); | |
441 | static void x_clear_end_of_line P_ ((int)); | |
442 | static void x_clear_frame P_ ((void)); | |
443 | static void x_clear_cursor P_ ((struct window *)); | |
444 | static void frame_highlight P_ ((struct frame *)); | |
445 | static void frame_unhighlight P_ ((struct frame *)); | |
446 | static void x_new_focus_frame P_ ((struct x_display_info *, struct frame *)); | |
447 | static void XTframe_rehighlight P_ ((struct frame *)); | |
448 | static void x_frame_rehighlight P_ ((struct x_display_info *)); | |
449 | static void x_draw_hollow_cursor P_ ((struct window *, struct glyph_row *)); | |
f02d8aa0 | 450 | static void x_draw_bar_cursor P_ ((struct window *, struct glyph_row *, int)); |
06a2c219 GM |
451 | static int x_intersect_rectangles P_ ((XRectangle *, XRectangle *, |
452 | XRectangle *)); | |
453 | static void expose_frame P_ ((struct frame *, int, int, int, int)); | |
82f053ab | 454 | static int expose_window_tree P_ ((struct window *, XRectangle *)); |
a39202f6 | 455 | static int expose_window P_ ((struct window *, XRectangle *)); |
06a2c219 GM |
456 | static void expose_area P_ ((struct window *, struct glyph_row *, |
457 | XRectangle *, enum glyph_row_area)); | |
82f053ab | 458 | static int expose_line P_ ((struct window *, struct glyph_row *, |
06a2c219 GM |
459 | XRectangle *)); |
460 | static void x_update_cursor_in_window_tree P_ ((struct window *, int)); | |
461 | static void x_update_window_cursor P_ ((struct window *, int)); | |
462 | static void x_erase_phys_cursor P_ ((struct window *)); | |
463 | void x_display_and_set_cursor P_ ((struct window *, int, int, int, int, int)); | |
3f332ef3 KS |
464 | static void x_draw_fringe_bitmap P_ ((struct window *, struct glyph_row *, |
465 | enum fringe_bitmap_type)); | |
06a2c219 GM |
466 | |
467 | static void x_clip_to_row P_ ((struct window *, struct glyph_row *, | |
468 | GC, int)); | |
469 | static int x_phys_cursor_in_rect_p P_ ((struct window *, XRectangle *)); | |
3f332ef3 | 470 | static void x_draw_row_fringe_bitmaps P_ ((struct window *, struct glyph_row *)); |
78a9a4c5 | 471 | static void notice_overwritten_cursor P_ ((struct window *, int, int)); |
06a2c219 | 472 | static void x_flush P_ ((struct frame *f)); |
952291d9 GM |
473 | static void x_update_begin P_ ((struct frame *)); |
474 | static void x_update_window_begin P_ ((struct window *)); | |
475 | static void x_draw_vertical_border P_ ((struct window *)); | |
476 | static void x_after_update_window_line P_ ((struct glyph_row *)); | |
477 | static INLINE void take_vertical_position_into_account P_ ((struct it *)); | |
478 | static void x_produce_stretch_glyph P_ ((struct it *)); | |
b52b65bd GM |
479 | static struct scroll_bar *x_window_to_scroll_bar P_ ((Window)); |
480 | static void x_scroll_bar_report_motion P_ ((struct frame **, Lisp_Object *, | |
481 | enum scroll_bar_part *, | |
482 | Lisp_Object *, Lisp_Object *, | |
483 | unsigned long *)); | |
06a2c219 GM |
484 | |
485 | /* Flush display of frame F, or of all frames if F is null. */ | |
486 | ||
487 | static void | |
488 | x_flush (f) | |
489 | struct frame *f; | |
490 | { | |
491 | BLOCK_INPUT; | |
492 | if (f == NULL) | |
493 | { | |
494 | Lisp_Object rest, frame; | |
495 | FOR_EACH_FRAME (rest, frame) | |
496 | x_flush (XFRAME (frame)); | |
497 | } | |
498 | else if (FRAME_X_P (f)) | |
499 | XFlush (FRAME_X_DISPLAY (f)); | |
500 | UNBLOCK_INPUT; | |
501 | } | |
502 | ||
dc6f92b8 | 503 | |
06a2c219 GM |
504 | /* Remove calls to XFlush by defining XFlush to an empty replacement. |
505 | Calls to XFlush should be unnecessary because the X output buffer | |
506 | is flushed automatically as needed by calls to XPending, | |
507 | XNextEvent, or XWindowEvent according to the XFlush man page. | |
508 | XTread_socket calls XPending. Removing XFlush improves | |
509 | performance. */ | |
510 | ||
511 | #define XFlush(DISPLAY) (void) 0 | |
b8009dd1 | 512 | |
334208b7 | 513 | \f |
06a2c219 GM |
514 | /*********************************************************************** |
515 | Debugging | |
516 | ***********************************************************************/ | |
517 | ||
9382638d | 518 | #if 0 |
06a2c219 GM |
519 | |
520 | /* This is a function useful for recording debugging information about | |
521 | the sequence of occurrences in this file. */ | |
9382638d KH |
522 | |
523 | struct record | |
524 | { | |
525 | char *locus; | |
526 | int type; | |
527 | }; | |
528 | ||
529 | struct record event_record[100]; | |
530 | ||
531 | int event_record_index; | |
532 | ||
533 | record_event (locus, type) | |
534 | char *locus; | |
535 | int type; | |
536 | { | |
537 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
538 | event_record_index = 0; | |
539 | ||
540 | event_record[event_record_index].locus = locus; | |
541 | event_record[event_record_index].type = type; | |
542 | event_record_index++; | |
543 | } | |
544 | ||
545 | #endif /* 0 */ | |
06a2c219 GM |
546 | |
547 | ||
9382638d | 548 | \f |
334208b7 RS |
549 | /* Return the struct x_display_info corresponding to DPY. */ |
550 | ||
551 | struct x_display_info * | |
552 | x_display_info_for_display (dpy) | |
553 | Display *dpy; | |
554 | { | |
555 | struct x_display_info *dpyinfo; | |
556 | ||
557 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
558 | if (dpyinfo->display == dpy) | |
559 | return dpyinfo; | |
16bd92ea | 560 | |
334208b7 RS |
561 | return 0; |
562 | } | |
f451eb13 | 563 | |
06a2c219 GM |
564 | |
565 | \f | |
566 | /*********************************************************************** | |
567 | Starting and ending an update | |
568 | ***********************************************************************/ | |
569 | ||
570 | /* Start an update of frame F. This function is installed as a hook | |
571 | for update_begin, i.e. it is called when update_begin is called. | |
572 | This function is called prior to calls to x_update_window_begin for | |
573 | each window being updated. Currently, there is nothing to do here | |
574 | because all interesting stuff is done on a window basis. */ | |
dc6f92b8 | 575 | |
dfcf069d | 576 | static void |
06a2c219 | 577 | x_update_begin (f) |
f676886a | 578 | struct frame *f; |
58769bee | 579 | { |
06a2c219 GM |
580 | /* Nothing to do. */ |
581 | } | |
dc6f92b8 | 582 | |
dc6f92b8 | 583 | |
06a2c219 GM |
584 | /* Start update of window W. Set the global variable updated_window |
585 | to the window being updated and set output_cursor to the cursor | |
586 | position of W. */ | |
dc6f92b8 | 587 | |
06a2c219 GM |
588 | static void |
589 | x_update_window_begin (w) | |
590 | struct window *w; | |
591 | { | |
592 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
593 | struct x_display_info *display_info = FRAME_X_DISPLAY_INFO (f); | |
594 | ||
595 | updated_window = w; | |
596 | set_output_cursor (&w->cursor); | |
b8009dd1 | 597 | |
06a2c219 | 598 | BLOCK_INPUT; |
d1bc4182 | 599 | |
06a2c219 | 600 | if (f == display_info->mouse_face_mouse_frame) |
b8009dd1 | 601 | { |
514e4681 | 602 | /* Don't do highlighting for mouse motion during the update. */ |
06a2c219 | 603 | display_info->mouse_face_defer = 1; |
37c2c98b | 604 | |
06a2c219 GM |
605 | /* If F needs to be redrawn, simply forget about any prior mouse |
606 | highlighting. */ | |
9f67f20b | 607 | if (FRAME_GARBAGED_P (f)) |
06a2c219 GM |
608 | display_info->mouse_face_window = Qnil; |
609 | ||
64f26cf5 GM |
610 | #if 0 /* Rows in a current matrix containing glyphs in mouse-face have |
611 | their mouse_face_p flag set, which means that they are always | |
612 | unequal to rows in a desired matrix which never have that | |
613 | flag set. So, rows containing mouse-face glyphs are never | |
614 | scrolled, and we don't have to switch the mouse highlight off | |
615 | here to prevent it from being scrolled. */ | |
616 | ||
06a2c219 GM |
617 | /* Can we tell that this update does not affect the window |
618 | where the mouse highlight is? If so, no need to turn off. | |
619 | Likewise, don't do anything if the frame is garbaged; | |
620 | in that case, the frame's current matrix that we would use | |
621 | is all wrong, and we will redisplay that line anyway. */ | |
622 | if (!NILP (display_info->mouse_face_window) | |
623 | && w == XWINDOW (display_info->mouse_face_window)) | |
514e4681 | 624 | { |
06a2c219 | 625 | int i; |
514e4681 | 626 | |
06a2c219 GM |
627 | for (i = 0; i < w->desired_matrix->nrows; ++i) |
628 | if (MATRIX_ROW_ENABLED_P (w->desired_matrix, i)) | |
514e4681 RS |
629 | break; |
630 | ||
06a2c219 GM |
631 | if (i < w->desired_matrix->nrows) |
632 | clear_mouse_face (display_info); | |
514e4681 | 633 | } |
64f26cf5 | 634 | #endif /* 0 */ |
b8009dd1 | 635 | } |
6ccf47d1 | 636 | |
dc6f92b8 JB |
637 | UNBLOCK_INPUT; |
638 | } | |
639 | ||
06a2c219 GM |
640 | |
641 | /* Draw a vertical window border to the right of window W if W doesn't | |
642 | have vertical scroll bars. */ | |
643 | ||
dfcf069d | 644 | static void |
06a2c219 GM |
645 | x_draw_vertical_border (w) |
646 | struct window *w; | |
58769bee | 647 | { |
06a2c219 GM |
648 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
649 | ||
650 | /* Redraw borders between horizontally adjacent windows. Don't | |
651 | do it for frames with vertical scroll bars because either the | |
652 | right scroll bar of a window, or the left scroll bar of its | |
653 | neighbor will suffice as a border. */ | |
654 | if (!WINDOW_RIGHTMOST_P (w) | |
655 | && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
656 | { | |
657 | int x0, x1, y0, y1; | |
dc6f92b8 | 658 | |
06a2c219 | 659 | window_box_edges (w, -1, &x0, &y0, &x1, &y1); |
3f332ef3 | 660 | x1 += FRAME_X_RIGHT_FRINGE_WIDTH (f); |
06a2c219 GM |
661 | y1 -= 1; |
662 | ||
663 | XDrawLine (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
664 | f->output_data.x->normal_gc, x1, y0, x1, y1); | |
665 | } | |
666 | } | |
667 | ||
668 | ||
71b8321e GM |
669 | /* End update of window W (which is equal to updated_window). |
670 | ||
671 | Draw vertical borders between horizontally adjacent windows, and | |
672 | display W's cursor if CURSOR_ON_P is non-zero. | |
673 | ||
674 | MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing | |
675 | glyphs in mouse-face were overwritten. In that case we have to | |
676 | make sure that the mouse-highlight is properly redrawn. | |
677 | ||
678 | W may be a menu bar pseudo-window in case we don't have X toolkit | |
679 | support. Such windows don't have a cursor, so don't display it | |
680 | here. */ | |
06a2c219 GM |
681 | |
682 | static void | |
71b8321e | 683 | x_update_window_end (w, cursor_on_p, mouse_face_overwritten_p) |
06a2c219 | 684 | struct window *w; |
71b8321e | 685 | int cursor_on_p, mouse_face_overwritten_p; |
06a2c219 | 686 | { |
140330de GM |
687 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (XFRAME (w->frame)); |
688 | ||
06a2c219 GM |
689 | if (!w->pseudo_window_p) |
690 | { | |
691 | BLOCK_INPUT; | |
71b8321e | 692 | |
06a2c219 GM |
693 | if (cursor_on_p) |
694 | x_display_and_set_cursor (w, 1, output_cursor.hpos, | |
695 | output_cursor.vpos, | |
696 | output_cursor.x, output_cursor.y); | |
71b8321e | 697 | |
06a2c219 GM |
698 | x_draw_vertical_border (w); |
699 | UNBLOCK_INPUT; | |
700 | } | |
701 | ||
140330de GM |
702 | /* If a row with mouse-face was overwritten, arrange for |
703 | XTframe_up_to_date to redisplay the mouse highlight. */ | |
704 | if (mouse_face_overwritten_p) | |
705 | { | |
706 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
707 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
708 | dpyinfo->mouse_face_window = Qnil; | |
709 | } | |
710 | ||
06a2c219 GM |
711 | updated_window = NULL; |
712 | } | |
dc6f92b8 | 713 | |
dc6f92b8 | 714 | |
06a2c219 GM |
715 | /* End update of frame F. This function is installed as a hook in |
716 | update_end. */ | |
717 | ||
718 | static void | |
719 | x_update_end (f) | |
720 | struct frame *f; | |
721 | { | |
722 | /* Mouse highlight may be displayed again. */ | |
aa8bff2e | 723 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0; |
b8009dd1 | 724 | |
06a2c219 | 725 | BLOCK_INPUT; |
334208b7 | 726 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
727 | UNBLOCK_INPUT; |
728 | } | |
b8009dd1 | 729 | |
06a2c219 GM |
730 | |
731 | /* This function is called from various places in xdisp.c whenever a | |
732 | complete update has been performed. The global variable | |
733 | updated_window is not available here. */ | |
b8009dd1 | 734 | |
dfcf069d | 735 | static void |
b8009dd1 | 736 | XTframe_up_to_date (f) |
06a2c219 | 737 | struct frame *f; |
b8009dd1 | 738 | { |
06a2c219 | 739 | if (FRAME_X_P (f)) |
514e4681 | 740 | { |
06a2c219 | 741 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
71b8321e | 742 | |
06a2c219 GM |
743 | if (dpyinfo->mouse_face_deferred_gc |
744 | || f == dpyinfo->mouse_face_mouse_frame) | |
745 | { | |
746 | BLOCK_INPUT; | |
747 | if (dpyinfo->mouse_face_mouse_frame) | |
748 | note_mouse_highlight (dpyinfo->mouse_face_mouse_frame, | |
749 | dpyinfo->mouse_face_mouse_x, | |
750 | dpyinfo->mouse_face_mouse_y); | |
751 | dpyinfo->mouse_face_deferred_gc = 0; | |
752 | UNBLOCK_INPUT; | |
753 | } | |
514e4681 | 754 | } |
b8009dd1 | 755 | } |
06a2c219 GM |
756 | |
757 | ||
758 | /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay | |
3f332ef3 | 759 | arrow bitmaps, or clear the fringes if no bitmaps are required |
06a2c219 GM |
760 | before DESIRED_ROW is made current. The window being updated is |
761 | found in updated_window. This function It is called from | |
762 | update_window_line only if it is known that there are differences | |
763 | between bitmaps to be drawn between current row and DESIRED_ROW. */ | |
764 | ||
765 | static void | |
766 | x_after_update_window_line (desired_row) | |
767 | struct glyph_row *desired_row; | |
768 | { | |
769 | struct window *w = updated_window; | |
ef253080 | 770 | struct frame *f; |
259cf6bc | 771 | int width, height; |
06a2c219 GM |
772 | |
773 | xassert (w); | |
774 | ||
775 | if (!desired_row->mode_line_p && !w->pseudo_window_p) | |
776 | { | |
777 | BLOCK_INPUT; | |
3f332ef3 | 778 | x_draw_row_fringe_bitmaps (w, desired_row); |
ef253080 GM |
779 | UNBLOCK_INPUT; |
780 | } | |
781 | ||
782 | /* When a window has disappeared, make sure that no rest of | |
783 | full-width rows stays visible in the internal border. Could | |
784 | check here if updated_window is the leftmost/rightmost window, | |
785 | but I guess it's not worth doing since vertically split windows | |
786 | are almost never used, internal border is rarely set, and the | |
787 | overhead is very small. */ | |
788 | if (windows_or_buffers_changed | |
789 | && desired_row->full_width_p | |
790 | && (f = XFRAME (w->frame), | |
791 | width = FRAME_INTERNAL_BORDER_WIDTH (f), | |
259cf6bc GM |
792 | width != 0) |
793 | && (height = desired_row->visible_height, | |
794 | height > 0)) | |
ef253080 | 795 | { |
ef253080 | 796 | int y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, desired_row->y)); |
06a2c219 | 797 | |
ef253080 GM |
798 | /* Internal border is drawn below the tool bar. */ |
799 | if (WINDOWP (f->tool_bar_window) | |
800 | && w == XWINDOW (f->tool_bar_window)) | |
801 | y -= width; | |
06a2c219 | 802 | |
ef253080 GM |
803 | BLOCK_INPUT; |
804 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
805 | 0, y, width, height, False); | |
806 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
807 | f->output_data.x->pixel_width - width, | |
808 | y, width, height, False); | |
06a2c219 GM |
809 | UNBLOCK_INPUT; |
810 | } | |
811 | } | |
812 | ||
813 | ||
3f332ef3 | 814 | /* Draw the bitmap WHICH in one of the left or right fringes of |
06a2c219 GM |
815 | window W. ROW is the glyph row for which to display the bitmap; it |
816 | determines the vertical position at which the bitmap has to be | |
817 | drawn. */ | |
818 | ||
819 | static void | |
3f332ef3 | 820 | x_draw_fringe_bitmap (w, row, which) |
06a2c219 GM |
821 | struct window *w; |
822 | struct glyph_row *row; | |
3f332ef3 | 823 | enum fringe_bitmap_type which; |
06a2c219 GM |
824 | { |
825 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
826 | Display *display = FRAME_X_DISPLAY (f); | |
827 | Window window = FRAME_X_WINDOW (f); | |
828 | int x, y, wd, h, dy; | |
829 | unsigned char *bits; | |
830 | Pixmap pixmap; | |
831 | GC gc = f->output_data.x->normal_gc; | |
832 | struct face *face; | |
833 | int depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); | |
834 | ||
835 | /* Must clip because of partially visible lines. */ | |
836 | x_clip_to_row (w, row, gc, 1); | |
837 | ||
838 | switch (which) | |
839 | { | |
840 | case LEFT_TRUNCATION_BITMAP: | |
841 | wd = left_width; | |
842 | h = left_height; | |
843 | bits = left_bits; | |
844 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) | |
845 | - wd | |
3f332ef3 | 846 | - (FRAME_X_LEFT_FRINGE_WIDTH (f) - wd) / 2); |
06a2c219 GM |
847 | break; |
848 | ||
849 | case OVERLAY_ARROW_BITMAP: | |
850 | wd = left_width; | |
851 | h = left_height; | |
852 | bits = ov_bits; | |
853 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) | |
854 | - wd | |
3f332ef3 | 855 | - (FRAME_X_LEFT_FRINGE_WIDTH (f) - wd) / 2); |
06a2c219 GM |
856 | break; |
857 | ||
858 | case RIGHT_TRUNCATION_BITMAP: | |
859 | wd = right_width; | |
860 | h = right_height; | |
861 | bits = right_bits; | |
862 | x = window_box_right (w, -1); | |
3f332ef3 | 863 | x += (FRAME_X_RIGHT_FRINGE_WIDTH (f) - wd) / 2; |
06a2c219 GM |
864 | break; |
865 | ||
866 | case CONTINUED_LINE_BITMAP: | |
867 | wd = right_width; | |
868 | h = right_height; | |
869 | bits = continued_bits; | |
870 | x = window_box_right (w, -1); | |
3f332ef3 | 871 | x += (FRAME_X_RIGHT_FRINGE_WIDTH (f) - wd) / 2; |
06a2c219 GM |
872 | break; |
873 | ||
874 | case CONTINUATION_LINE_BITMAP: | |
875 | wd = continuation_width; | |
876 | h = continuation_height; | |
877 | bits = continuation_bits; | |
878 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) | |
879 | - wd | |
3f332ef3 | 880 | - (FRAME_X_LEFT_FRINGE_WIDTH (f) - wd) / 2); |
06a2c219 GM |
881 | break; |
882 | ||
883 | case ZV_LINE_BITMAP: | |
884 | wd = zv_width; | |
885 | h = zv_height; | |
886 | bits = zv_bits; | |
887 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) | |
888 | - wd | |
3f332ef3 | 889 | - (FRAME_X_LEFT_FRINGE_WIDTH (f) - wd) / 2); |
06a2c219 GM |
890 | break; |
891 | ||
892 | default: | |
893 | abort (); | |
894 | } | |
895 | ||
896 | /* Convert to frame coordinates. Set dy to the offset in the row to | |
897 | start drawing the bitmap. */ | |
898 | y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
899 | dy = (row->height - h) / 2; | |
900 | ||
901 | /* Draw the bitmap. I believe these small pixmaps can be cached | |
902 | by the server. */ | |
3f332ef3 | 903 | face = FACE_FROM_ID (f, FRINGE_FACE_ID); |
06a2c219 GM |
904 | pixmap = XCreatePixmapFromBitmapData (display, window, bits, wd, h, |
905 | face->foreground, | |
906 | face->background, depth); | |
907 | XCopyArea (display, pixmap, window, gc, 0, 0, wd, h, x, y + dy); | |
908 | XFreePixmap (display, pixmap); | |
909 | XSetClipMask (display, gc, None); | |
910 | } | |
911 | ||
912 | ||
3f332ef3 | 913 | /* Draw fringe bitmaps for glyph row ROW on window W. Call this |
06a2c219 GM |
914 | function with input blocked. */ |
915 | ||
916 | static void | |
3f332ef3 | 917 | x_draw_row_fringe_bitmaps (w, row) |
06a2c219 GM |
918 | struct window *w; |
919 | struct glyph_row *row; | |
920 | { | |
921 | struct frame *f = XFRAME (w->frame); | |
3f332ef3 | 922 | enum fringe_bitmap_type bitmap; |
06a2c219 | 923 | struct face *face; |
045dee35 | 924 | int header_line_height = -1; |
06a2c219 GM |
925 | |
926 | xassert (interrupt_input_blocked); | |
927 | ||
928 | /* If row is completely invisible, because of vscrolling, we | |
929 | don't have to draw anything. */ | |
930 | if (row->visible_height <= 0) | |
931 | return; | |
932 | ||
3f332ef3 | 933 | face = FACE_FROM_ID (f, FRINGE_FACE_ID); |
06a2c219 GM |
934 | PREPARE_FACE_FOR_DISPLAY (f, face); |
935 | ||
3f332ef3 | 936 | /* Decide which bitmap to draw in the left fringe. */ |
06a2c219 GM |
937 | if (row->overlay_arrow_p) |
938 | bitmap = OVERLAY_ARROW_BITMAP; | |
939 | else if (row->truncated_on_left_p) | |
940 | bitmap = LEFT_TRUNCATION_BITMAP; | |
941 | else if (MATRIX_ROW_CONTINUATION_LINE_P (row)) | |
942 | bitmap = CONTINUATION_LINE_BITMAP; | |
943 | else if (row->indicate_empty_line_p) | |
944 | bitmap = ZV_LINE_BITMAP; | |
945 | else | |
3f332ef3 | 946 | bitmap = NO_FRINGE_BITMAP; |
06a2c219 | 947 | |
3f332ef3 KS |
948 | /* Clear left fringe if no bitmap to draw or if bitmap doesn't fill |
949 | the fringe. */ | |
950 | if (bitmap == NO_FRINGE_BITMAP | |
951 | || FRAME_FRINGE_BITMAP_WIDTH (f) < FRAME_X_LEFT_FRINGE_WIDTH (f) | |
952 | || row->height > FRAME_FRINGE_BITMAP_HEIGHT (f)) | |
06a2c219 GM |
953 | { |
954 | /* If W has a vertical border to its left, don't draw over it. */ | |
955 | int border = ((XFASTINT (w->left) > 0 | |
956 | && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
957 | ? 1 : 0); | |
958 | int left = window_box_left (w, -1); | |
959 | ||
045dee35 GM |
960 | if (header_line_height < 0) |
961 | header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
dcd08bfb | 962 | |
3f332ef3 | 963 | /* In case the same realized face is used for fringes and |
dcd08bfb GM |
964 | for something displayed in the text (e.g. face `region' on |
965 | mono-displays, the fill style may have been changed to | |
966 | FillSolid in x_draw_glyph_string_background. */ | |
967 | if (face->stipple) | |
968 | XSetFillStyle (FRAME_X_DISPLAY (f), face->gc, FillOpaqueStippled); | |
969 | else | |
970 | XSetForeground (FRAME_X_DISPLAY (f), face->gc, face->background); | |
971 | ||
06a2c219 GM |
972 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
973 | face->gc, | |
974 | (left | |
3f332ef3 | 975 | - FRAME_X_LEFT_FRINGE_WIDTH (f) |
06a2c219 | 976 | + border), |
045dee35 | 977 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, |
06a2c219 | 978 | row->y)), |
3f332ef3 | 979 | FRAME_X_LEFT_FRINGE_WIDTH (f) - border, |
06a2c219 | 980 | row->visible_height); |
dcd08bfb GM |
981 | if (!face->stipple) |
982 | XSetForeground (FRAME_X_DISPLAY (f), face->gc, face->foreground); | |
06a2c219 GM |
983 | } |
984 | ||
985 | /* Draw the left bitmap. */ | |
3f332ef3 KS |
986 | if (bitmap != NO_FRINGE_BITMAP) |
987 | x_draw_fringe_bitmap (w, row, bitmap); | |
06a2c219 | 988 | |
3f332ef3 | 989 | /* Decide which bitmap to draw in the right fringe. */ |
06a2c219 GM |
990 | if (row->truncated_on_right_p) |
991 | bitmap = RIGHT_TRUNCATION_BITMAP; | |
992 | else if (row->continued_p) | |
993 | bitmap = CONTINUED_LINE_BITMAP; | |
994 | else | |
3f332ef3 | 995 | bitmap = NO_FRINGE_BITMAP; |
06a2c219 | 996 | |
3f332ef3 KS |
997 | /* Clear right fringe if no bitmap to draw of if bitmap doesn't fill |
998 | the fringe. */ | |
999 | if (bitmap == NO_FRINGE_BITMAP | |
1000 | || FRAME_FRINGE_BITMAP_WIDTH (f) < FRAME_X_RIGHT_FRINGE_WIDTH (f) | |
1001 | || row->height > FRAME_FRINGE_BITMAP_HEIGHT (f)) | |
06a2c219 GM |
1002 | { |
1003 | int right = window_box_right (w, -1); | |
1004 | ||
045dee35 GM |
1005 | if (header_line_height < 0) |
1006 | header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
dcd08bfb | 1007 | |
3f332ef3 | 1008 | /* In case the same realized face is used for fringes and |
dcd08bfb GM |
1009 | for something displayed in the text (e.g. face `region' on |
1010 | mono-displays, the fill style may have been changed to | |
1011 | FillSolid in x_draw_glyph_string_background. */ | |
1012 | if (face->stipple) | |
1013 | XSetFillStyle (FRAME_X_DISPLAY (f), face->gc, FillOpaqueStippled); | |
1014 | else | |
1015 | XSetForeground (FRAME_X_DISPLAY (f), face->gc, face->background); | |
06a2c219 GM |
1016 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1017 | face->gc, | |
1018 | right, | |
045dee35 | 1019 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, |
06a2c219 | 1020 | row->y)), |
3f332ef3 | 1021 | FRAME_X_RIGHT_FRINGE_WIDTH (f), |
06a2c219 | 1022 | row->visible_height); |
dcd08bfb GM |
1023 | if (!face->stipple) |
1024 | XSetForeground (FRAME_X_DISPLAY (f), face->gc, face->foreground); | |
06a2c219 GM |
1025 | } |
1026 | ||
1027 | /* Draw the right bitmap. */ | |
3f332ef3 KS |
1028 | if (bitmap != NO_FRINGE_BITMAP) |
1029 | x_draw_fringe_bitmap (w, row, bitmap); | |
06a2c219 GM |
1030 | } |
1031 | ||
dc6f92b8 | 1032 | \f |
06a2c219 GM |
1033 | |
1034 | /* This is called when starting Emacs and when restarting after | |
1035 | suspend. When starting Emacs, no X window is mapped. And nothing | |
1036 | must be done to Emacs's own window if it is suspended (though that | |
1037 | rarely happens). */ | |
dc6f92b8 | 1038 | |
dfcf069d | 1039 | static void |
dc6f92b8 JB |
1040 | XTset_terminal_modes () |
1041 | { | |
1042 | } | |
1043 | ||
06a2c219 GM |
1044 | /* This is called when exiting or suspending Emacs. Exiting will make |
1045 | the X-windows go away, and suspending requires no action. */ | |
dc6f92b8 | 1046 | |
dfcf069d | 1047 | static void |
dc6f92b8 JB |
1048 | XTreset_terminal_modes () |
1049 | { | |
dc6f92b8 | 1050 | } |
06a2c219 GM |
1051 | |
1052 | ||
dc6f92b8 | 1053 | \f |
06a2c219 GM |
1054 | /*********************************************************************** |
1055 | Output Cursor | |
1056 | ***********************************************************************/ | |
1057 | ||
1058 | /* Set the global variable output_cursor to CURSOR. All cursor | |
1059 | positions are relative to updated_window. */ | |
dc6f92b8 | 1060 | |
dfcf069d | 1061 | static void |
06a2c219 GM |
1062 | set_output_cursor (cursor) |
1063 | struct cursor_pos *cursor; | |
dc6f92b8 | 1064 | { |
06a2c219 GM |
1065 | output_cursor.hpos = cursor->hpos; |
1066 | output_cursor.vpos = cursor->vpos; | |
1067 | output_cursor.x = cursor->x; | |
1068 | output_cursor.y = cursor->y; | |
1069 | } | |
1070 | ||
1071 | ||
1072 | /* Set a nominal cursor position. | |
dc6f92b8 | 1073 | |
06a2c219 GM |
1074 | HPOS and VPOS are column/row positions in a window glyph matrix. X |
1075 | and Y are window text area relative pixel positions. | |
1076 | ||
1077 | If this is done during an update, updated_window will contain the | |
1078 | window that is being updated and the position is the future output | |
1079 | cursor position for that window. If updated_window is null, use | |
1080 | selected_window and display the cursor at the given position. */ | |
1081 | ||
1082 | static void | |
1083 | XTcursor_to (vpos, hpos, y, x) | |
1084 | int vpos, hpos, y, x; | |
1085 | { | |
1086 | struct window *w; | |
1087 | ||
1088 | /* If updated_window is not set, work on selected_window. */ | |
1089 | if (updated_window) | |
1090 | w = updated_window; | |
1091 | else | |
1092 | w = XWINDOW (selected_window); | |
dbcb258a | 1093 | |
06a2c219 GM |
1094 | /* Set the output cursor. */ |
1095 | output_cursor.hpos = hpos; | |
1096 | output_cursor.vpos = vpos; | |
1097 | output_cursor.x = x; | |
1098 | output_cursor.y = y; | |
dc6f92b8 | 1099 | |
06a2c219 GM |
1100 | /* If not called as part of an update, really display the cursor. |
1101 | This will also set the cursor position of W. */ | |
1102 | if (updated_window == NULL) | |
dc6f92b8 JB |
1103 | { |
1104 | BLOCK_INPUT; | |
06a2c219 | 1105 | x_display_cursor (w, 1, hpos, vpos, x, y); |
b86bd3dd | 1106 | XFlush (FRAME_X_DISPLAY (SELECTED_FRAME ())); |
dc6f92b8 JB |
1107 | UNBLOCK_INPUT; |
1108 | } | |
1109 | } | |
dc43ef94 | 1110 | |
06a2c219 GM |
1111 | |
1112 | \f | |
1113 | /*********************************************************************** | |
1114 | Display Iterator | |
1115 | ***********************************************************************/ | |
1116 | ||
1117 | /* Function prototypes of this page. */ | |
1118 | ||
1119 | static struct face *x_get_glyph_face_and_encoding P_ ((struct frame *, | |
1120 | struct glyph *, | |
ee569018 KH |
1121 | XChar2b *, |
1122 | int *)); | |
06a2c219 GM |
1123 | static struct face *x_get_char_face_and_encoding P_ ((struct frame *, int, |
1124 | int, XChar2b *, int)); | |
1125 | static XCharStruct *x_per_char_metric P_ ((XFontStruct *, XChar2b *)); | |
1126 | static void x_encode_char P_ ((int, XChar2b *, struct font_info *)); | |
1127 | static void x_append_glyph P_ ((struct it *)); | |
b4192550 | 1128 | static void x_append_composite_glyph P_ ((struct it *)); |
06a2c219 GM |
1129 | static void x_append_stretch_glyph P_ ((struct it *it, Lisp_Object, |
1130 | int, int, double)); | |
1131 | static void x_produce_glyphs P_ ((struct it *)); | |
06a2c219 | 1132 | static void x_produce_image_glyph P_ ((struct it *it)); |
ee569018 KH |
1133 | |
1134 | ||
e2ef8ee6 GM |
1135 | /* Get metrics of character CHAR2B in FONT. Value is null if CHAR2B |
1136 | is not contained in the font. */ | |
dc43ef94 | 1137 | |
06a2c219 | 1138 | static INLINE XCharStruct * |
ee569018 | 1139 | x_per_char_metric (font, char2b) |
06a2c219 GM |
1140 | XFontStruct *font; |
1141 | XChar2b *char2b; | |
1142 | { | |
1143 | /* The result metric information. */ | |
1144 | XCharStruct *pcm = NULL; | |
dc6f92b8 | 1145 | |
06a2c219 | 1146 | xassert (font && char2b); |
dc6f92b8 | 1147 | |
06a2c219 | 1148 | if (font->per_char != NULL) |
dc6f92b8 | 1149 | { |
06a2c219 | 1150 | if (font->min_byte1 == 0 && font->max_byte1 == 0) |
dc43ef94 | 1151 | { |
06a2c219 GM |
1152 | /* min_char_or_byte2 specifies the linear character index |
1153 | corresponding to the first element of the per_char array, | |
1154 | max_char_or_byte2 is the index of the last character. A | |
1155 | character with non-zero CHAR2B->byte1 is not in the font. | |
1156 | A character with byte2 less than min_char_or_byte2 or | |
1157 | greater max_char_or_byte2 is not in the font. */ | |
1158 | if (char2b->byte1 == 0 | |
1159 | && char2b->byte2 >= font->min_char_or_byte2 | |
1160 | && char2b->byte2 <= font->max_char_or_byte2) | |
1161 | pcm = font->per_char + char2b->byte2 - font->min_char_or_byte2; | |
dc43ef94 | 1162 | } |
06a2c219 | 1163 | else |
dc6f92b8 | 1164 | { |
06a2c219 GM |
1165 | /* If either min_byte1 or max_byte1 are nonzero, both |
1166 | min_char_or_byte2 and max_char_or_byte2 are less than | |
1167 | 256, and the 2-byte character index values corresponding | |
1168 | to the per_char array element N (counting from 0) are: | |
1169 | ||
1170 | byte1 = N/D + min_byte1 | |
1171 | byte2 = N\D + min_char_or_byte2 | |
1172 | ||
1173 | where: | |
1174 | ||
1175 | D = max_char_or_byte2 - min_char_or_byte2 + 1 | |
1176 | / = integer division | |
1177 | \ = integer modulus */ | |
1178 | if (char2b->byte1 >= font->min_byte1 | |
1179 | && char2b->byte1 <= font->max_byte1 | |
1180 | && char2b->byte2 >= font->min_char_or_byte2 | |
1181 | && char2b->byte2 <= font->max_char_or_byte2) | |
1182 | { | |
1183 | pcm = (font->per_char | |
1184 | + ((font->max_char_or_byte2 - font->min_char_or_byte2 + 1) | |
1185 | * (char2b->byte1 - font->min_byte1)) | |
1186 | + (char2b->byte2 - font->min_char_or_byte2)); | |
1187 | } | |
dc6f92b8 | 1188 | } |
06a2c219 GM |
1189 | } |
1190 | else | |
1191 | { | |
1192 | /* If the per_char pointer is null, all glyphs between the first | |
1193 | and last character indexes inclusive have the same | |
1194 | information, as given by both min_bounds and max_bounds. */ | |
1195 | if (char2b->byte2 >= font->min_char_or_byte2 | |
1196 | && char2b->byte2 <= font->max_char_or_byte2) | |
1197 | pcm = &font->max_bounds; | |
1198 | } | |
dc6f92b8 | 1199 | |
ee569018 | 1200 | return ((pcm == NULL |
3e71d8f2 | 1201 | || (pcm->width == 0 && (pcm->rbearing - pcm->lbearing) == 0)) |
ee569018 | 1202 | ? NULL : pcm); |
06a2c219 | 1203 | } |
b73b6aaf | 1204 | |
57b03282 | 1205 | |
06a2c219 GM |
1206 | /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is |
1207 | the two-byte form of C. Encoding is returned in *CHAR2B. */ | |
dc43ef94 | 1208 | |
06a2c219 GM |
1209 | static INLINE void |
1210 | x_encode_char (c, char2b, font_info) | |
1211 | int c; | |
1212 | XChar2b *char2b; | |
1213 | struct font_info *font_info; | |
1214 | { | |
1215 | int charset = CHAR_CHARSET (c); | |
1216 | XFontStruct *font = font_info->font; | |
1217 | ||
1218 | /* FONT_INFO may define a scheme by which to encode byte1 and byte2. | |
1219 | This may be either a program in a special encoder language or a | |
1220 | fixed encoding. */ | |
1221 | if (font_info->font_encoder) | |
1222 | { | |
1223 | /* It's a program. */ | |
1224 | struct ccl_program *ccl = font_info->font_encoder; | |
1225 | ||
1226 | if (CHARSET_DIMENSION (charset) == 1) | |
1227 | { | |
1228 | ccl->reg[0] = charset; | |
1229 | ccl->reg[1] = char2b->byte2; | |
1230 | } | |
1231 | else | |
1232 | { | |
1233 | ccl->reg[0] = charset; | |
1234 | ccl->reg[1] = char2b->byte1; | |
1235 | ccl->reg[2] = char2b->byte2; | |
1236 | } | |
1237 | ||
1238 | ccl_driver (ccl, NULL, NULL, 0, 0, NULL); | |
1239 | ||
1240 | /* We assume that MSBs are appropriately set/reset by CCL | |
1241 | program. */ | |
1242 | if (font->max_byte1 == 0) /* 1-byte font */ | |
ee569018 | 1243 | char2b->byte1 = 0, char2b->byte2 = ccl->reg[1]; |
06a2c219 GM |
1244 | else |
1245 | char2b->byte1 = ccl->reg[1], char2b->byte2 = ccl->reg[2]; | |
1246 | } | |
1247 | else if (font_info->encoding[charset]) | |
1248 | { | |
1249 | /* Fixed encoding scheme. See fontset.h for the meaning of the | |
1250 | encoding numbers. */ | |
1251 | int enc = font_info->encoding[charset]; | |
1252 | ||
1253 | if ((enc == 1 || enc == 2) | |
1254 | && CHARSET_DIMENSION (charset) == 2) | |
1255 | char2b->byte1 |= 0x80; | |
1256 | ||
1257 | if (enc == 1 || enc == 3) | |
1258 | char2b->byte2 |= 0x80; | |
1259 | } | |
1260 | } | |
1261 | ||
1262 | ||
1263 | /* Get face and two-byte form of character C in face FACE_ID on frame | |
1264 | F. The encoding of C is returned in *CHAR2B. MULTIBYTE_P non-zero | |
1265 | means we want to display multibyte text. Value is a pointer to a | |
1266 | realized face that is ready for display. */ | |
1267 | ||
1268 | static INLINE struct face * | |
1269 | x_get_char_face_and_encoding (f, c, face_id, char2b, multibyte_p) | |
1270 | struct frame *f; | |
1271 | int c, face_id; | |
1272 | XChar2b *char2b; | |
1273 | int multibyte_p; | |
1274 | { | |
1275 | struct face *face = FACE_FROM_ID (f, face_id); | |
1276 | ||
1277 | if (!multibyte_p) | |
1278 | { | |
1279 | /* Unibyte case. We don't have to encode, but we have to make | |
1280 | sure to use a face suitable for unibyte. */ | |
1281 | char2b->byte1 = 0; | |
1282 | char2b->byte2 = c; | |
ee569018 KH |
1283 | face_id = FACE_FOR_CHAR (f, face, c); |
1284 | face = FACE_FROM_ID (f, face_id); | |
06a2c219 GM |
1285 | } |
1286 | else if (c < 128 && face_id < BASIC_FACE_ID_SENTINEL) | |
1287 | { | |
1288 | /* Case of ASCII in a face known to fit ASCII. */ | |
1289 | char2b->byte1 = 0; | |
1290 | char2b->byte2 = c; | |
1291 | } | |
1292 | else | |
1293 | { | |
1294 | int c1, c2, charset; | |
1295 | ||
1296 | /* Split characters into bytes. If c2 is -1 afterwards, C is | |
1297 | really a one-byte character so that byte1 is zero. */ | |
1298 | SPLIT_CHAR (c, charset, c1, c2); | |
1299 | if (c2 > 0) | |
1300 | char2b->byte1 = c1, char2b->byte2 = c2; | |
1301 | else | |
1302 | char2b->byte1 = 0, char2b->byte2 = c1; | |
1303 | ||
06a2c219 | 1304 | /* Maybe encode the character in *CHAR2B. */ |
ee569018 | 1305 | if (face->font != NULL) |
06a2c219 GM |
1306 | { |
1307 | struct font_info *font_info | |
1308 | = FONT_INFO_FROM_ID (f, face->font_info_id); | |
1309 | if (font_info) | |
ee569018 | 1310 | x_encode_char (c, char2b, font_info); |
06a2c219 GM |
1311 | } |
1312 | } | |
1313 | ||
1314 | /* Make sure X resources of the face are allocated. */ | |
1315 | xassert (face != NULL); | |
1316 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
1317 | ||
1318 | return face; | |
1319 | } | |
1320 | ||
1321 | ||
1322 | /* Get face and two-byte form of character glyph GLYPH on frame F. | |
43d120d8 | 1323 | The encoding of GLYPH->u.ch is returned in *CHAR2B. Value is |
06a2c219 GM |
1324 | a pointer to a realized face that is ready for display. */ |
1325 | ||
1326 | static INLINE struct face * | |
ee569018 | 1327 | x_get_glyph_face_and_encoding (f, glyph, char2b, two_byte_p) |
06a2c219 GM |
1328 | struct frame *f; |
1329 | struct glyph *glyph; | |
1330 | XChar2b *char2b; | |
ee569018 | 1331 | int *two_byte_p; |
06a2c219 GM |
1332 | { |
1333 | struct face *face; | |
1334 | ||
1335 | xassert (glyph->type == CHAR_GLYPH); | |
43d120d8 | 1336 | face = FACE_FROM_ID (f, glyph->face_id); |
06a2c219 | 1337 | |
ee569018 KH |
1338 | if (two_byte_p) |
1339 | *two_byte_p = 0; | |
1340 | ||
06a2c219 GM |
1341 | if (!glyph->multibyte_p) |
1342 | { | |
1343 | /* Unibyte case. We don't have to encode, but we have to make | |
1344 | sure to use a face suitable for unibyte. */ | |
1345 | char2b->byte1 = 0; | |
43d120d8 | 1346 | char2b->byte2 = glyph->u.ch; |
06a2c219 | 1347 | } |
43d120d8 KH |
1348 | else if (glyph->u.ch < 128 |
1349 | && glyph->face_id < BASIC_FACE_ID_SENTINEL) | |
06a2c219 GM |
1350 | { |
1351 | /* Case of ASCII in a face known to fit ASCII. */ | |
1352 | char2b->byte1 = 0; | |
43d120d8 | 1353 | char2b->byte2 = glyph->u.ch; |
06a2c219 GM |
1354 | } |
1355 | else | |
1356 | { | |
1357 | int c1, c2, charset; | |
1358 | ||
1359 | /* Split characters into bytes. If c2 is -1 afterwards, C is | |
1360 | really a one-byte character so that byte1 is zero. */ | |
43d120d8 | 1361 | SPLIT_CHAR (glyph->u.ch, charset, c1, c2); |
06a2c219 GM |
1362 | if (c2 > 0) |
1363 | char2b->byte1 = c1, char2b->byte2 = c2; | |
1364 | else | |
1365 | char2b->byte1 = 0, char2b->byte2 = c1; | |
1366 | ||
1367 | /* Maybe encode the character in *CHAR2B. */ | |
1368 | if (charset != CHARSET_ASCII) | |
1369 | { | |
1370 | struct font_info *font_info | |
1371 | = FONT_INFO_FROM_ID (f, face->font_info_id); | |
1372 | if (font_info) | |
1373 | { | |
43d120d8 | 1374 | x_encode_char (glyph->u.ch, char2b, font_info); |
ee569018 KH |
1375 | if (two_byte_p) |
1376 | *two_byte_p | |
1377 | = ((XFontStruct *) (font_info->font))->max_byte1 > 0; | |
06a2c219 GM |
1378 | } |
1379 | } | |
1380 | } | |
1381 | ||
1382 | /* Make sure X resources of the face are allocated. */ | |
1383 | xassert (face != NULL); | |
1384 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
1385 | return face; | |
1386 | } | |
1387 | ||
1388 | ||
1389 | /* Store one glyph for IT->char_to_display in IT->glyph_row. | |
1390 | Called from x_produce_glyphs when IT->glyph_row is non-null. */ | |
1391 | ||
1392 | static INLINE void | |
1393 | x_append_glyph (it) | |
1394 | struct it *it; | |
1395 | { | |
1396 | struct glyph *glyph; | |
1397 | enum glyph_row_area area = it->area; | |
1398 | ||
1399 | xassert (it->glyph_row); | |
1400 | xassert (it->char_to_display != '\n' && it->char_to_display != '\t'); | |
1401 | ||
1402 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1403 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1404 | { | |
06a2c219 GM |
1405 | glyph->charpos = CHARPOS (it->position); |
1406 | glyph->object = it->object; | |
88d75730 | 1407 | glyph->pixel_width = it->pixel_width; |
06a2c219 | 1408 | glyph->voffset = it->voffset; |
88d75730 | 1409 | glyph->type = CHAR_GLYPH; |
06a2c219 | 1410 | glyph->multibyte_p = it->multibyte_p; |
88d75730 GM |
1411 | glyph->left_box_line_p = it->start_of_box_run_p; |
1412 | glyph->right_box_line_p = it->end_of_box_run_p; | |
66ac4b0e GM |
1413 | glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent |
1414 | || it->phys_descent > it->descent); | |
88d75730 | 1415 | glyph->padding_p = 0; |
ee569018 | 1416 | glyph->glyph_not_available_p = it->glyph_not_available_p; |
88d75730 GM |
1417 | glyph->face_id = it->face_id; |
1418 | glyph->u.ch = it->char_to_display; | |
06a2c219 GM |
1419 | ++it->glyph_row->used[area]; |
1420 | } | |
1421 | } | |
1422 | ||
b4192550 KH |
1423 | /* Store one glyph for the composition IT->cmp_id in IT->glyph_row. |
1424 | Called from x_produce_glyphs when IT->glyph_row is non-null. */ | |
1425 | ||
1426 | static INLINE void | |
1427 | x_append_composite_glyph (it) | |
1428 | struct it *it; | |
1429 | { | |
1430 | struct glyph *glyph; | |
1431 | enum glyph_row_area area = it->area; | |
1432 | ||
1433 | xassert (it->glyph_row); | |
1434 | ||
1435 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1436 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1437 | { | |
b4192550 KH |
1438 | glyph->charpos = CHARPOS (it->position); |
1439 | glyph->object = it->object; | |
88d75730 | 1440 | glyph->pixel_width = it->pixel_width; |
b4192550 | 1441 | glyph->voffset = it->voffset; |
88d75730 | 1442 | glyph->type = COMPOSITE_GLYPH; |
b4192550 | 1443 | glyph->multibyte_p = it->multibyte_p; |
88d75730 GM |
1444 | glyph->left_box_line_p = it->start_of_box_run_p; |
1445 | glyph->right_box_line_p = it->end_of_box_run_p; | |
b4192550 KH |
1446 | glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent |
1447 | || it->phys_descent > it->descent); | |
88d75730 GM |
1448 | glyph->padding_p = 0; |
1449 | glyph->glyph_not_available_p = 0; | |
1450 | glyph->face_id = it->face_id; | |
1451 | glyph->u.cmp_id = it->cmp_id; | |
b4192550 KH |
1452 | ++it->glyph_row->used[area]; |
1453 | } | |
1454 | } | |
1455 | ||
06a2c219 GM |
1456 | |
1457 | /* Change IT->ascent and IT->height according to the setting of | |
1458 | IT->voffset. */ | |
1459 | ||
1460 | static INLINE void | |
1461 | take_vertical_position_into_account (it) | |
1462 | struct it *it; | |
1463 | { | |
1464 | if (it->voffset) | |
1465 | { | |
1466 | if (it->voffset < 0) | |
1467 | /* Increase the ascent so that we can display the text higher | |
1468 | in the line. */ | |
1469 | it->ascent += abs (it->voffset); | |
1470 | else | |
1471 | /* Increase the descent so that we can display the text lower | |
1472 | in the line. */ | |
1473 | it->descent += it->voffset; | |
1474 | } | |
1475 | } | |
1476 | ||
1477 | ||
1478 | /* Produce glyphs/get display metrics for the image IT is loaded with. | |
1479 | See the description of struct display_iterator in dispextern.h for | |
1480 | an overview of struct display_iterator. */ | |
1481 | ||
1482 | static void | |
1483 | x_produce_image_glyph (it) | |
1484 | struct it *it; | |
1485 | { | |
1486 | struct image *img; | |
1487 | struct face *face; | |
1488 | ||
1489 | xassert (it->what == IT_IMAGE); | |
1490 | ||
1491 | face = FACE_FROM_ID (it->f, it->face_id); | |
1492 | img = IMAGE_FROM_ID (it->f, it->image_id); | |
1493 | xassert (img); | |
1494 | ||
1495 | /* Make sure X resources of the face and image are loaded. */ | |
1496 | PREPARE_FACE_FOR_DISPLAY (it->f, face); | |
1497 | prepare_image_for_display (it->f, img); | |
1498 | ||
95af8492 | 1499 | it->ascent = it->phys_ascent = image_ascent (img, face); |
22d650b8 GM |
1500 | it->descent = it->phys_descent = img->height + 2 * img->vmargin - it->ascent; |
1501 | it->pixel_width = img->width + 2 * img->hmargin; | |
06a2c219 GM |
1502 | |
1503 | it->nglyphs = 1; | |
1504 | ||
1505 | if (face->box != FACE_NO_BOX) | |
1506 | { | |
ea2ba0d4 KH |
1507 | if (face->box_line_width > 0) |
1508 | { | |
1509 | it->ascent += face->box_line_width; | |
1510 | it->descent += face->box_line_width; | |
1511 | } | |
06a2c219 GM |
1512 | |
1513 | if (it->start_of_box_run_p) | |
ea2ba0d4 | 1514 | it->pixel_width += abs (face->box_line_width); |
06a2c219 | 1515 | if (it->end_of_box_run_p) |
ea2ba0d4 | 1516 | it->pixel_width += abs (face->box_line_width); |
06a2c219 GM |
1517 | } |
1518 | ||
1519 | take_vertical_position_into_account (it); | |
1520 | ||
1521 | if (it->glyph_row) | |
1522 | { | |
1523 | struct glyph *glyph; | |
1524 | enum glyph_row_area area = it->area; | |
1525 | ||
1526 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1527 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1528 | { | |
06a2c219 GM |
1529 | glyph->charpos = CHARPOS (it->position); |
1530 | glyph->object = it->object; | |
88d75730 | 1531 | glyph->pixel_width = it->pixel_width; |
06a2c219 | 1532 | glyph->voffset = it->voffset; |
88d75730 | 1533 | glyph->type = IMAGE_GLYPH; |
06a2c219 | 1534 | glyph->multibyte_p = it->multibyte_p; |
88d75730 GM |
1535 | glyph->left_box_line_p = it->start_of_box_run_p; |
1536 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1537 | glyph->overlaps_vertically_p = 0; | |
1538 | glyph->padding_p = 0; | |
1539 | glyph->glyph_not_available_p = 0; | |
1540 | glyph->face_id = it->face_id; | |
1541 | glyph->u.img_id = img->id; | |
06a2c219 GM |
1542 | ++it->glyph_row->used[area]; |
1543 | } | |
1544 | } | |
1545 | } | |
1546 | ||
1547 | ||
1548 | /* Append a stretch glyph to IT->glyph_row. OBJECT is the source | |
1549 | of the glyph, WIDTH and HEIGHT are the width and height of the | |
1550 | stretch. ASCENT is the percentage/100 of HEIGHT to use for the | |
1551 | ascent of the glyph (0 <= ASCENT <= 1). */ | |
1552 | ||
1553 | static void | |
1554 | x_append_stretch_glyph (it, object, width, height, ascent) | |
1555 | struct it *it; | |
1556 | Lisp_Object object; | |
1557 | int width, height; | |
1558 | double ascent; | |
1559 | { | |
1560 | struct glyph *glyph; | |
1561 | enum glyph_row_area area = it->area; | |
1562 | ||
1563 | xassert (ascent >= 0 && ascent <= 1); | |
1564 | ||
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 = object; | |
88d75730 | 1570 | glyph->pixel_width = width; |
06a2c219 | 1571 | glyph->voffset = it->voffset; |
88d75730 | 1572 | glyph->type = STRETCH_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.stretch.ascent = height * ascent; | |
1581 | glyph->u.stretch.height = height; | |
06a2c219 GM |
1582 | ++it->glyph_row->used[area]; |
1583 | } | |
1584 | } | |
1585 | ||
1586 | ||
1587 | /* Produce a stretch glyph for iterator IT. IT->object is the value | |
1588 | of the glyph property displayed. The value must be a list | |
1589 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1590 | being recognized: | |
1591 | ||
1592 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1593 | canonical char width wide. WIDTH may be an integer or floating | |
1594 | point number. | |
1595 | ||
1596 | 2. `:relative-width FACTOR' specifies that the width of the stretch | |
1597 | should be computed from the width of the first character having the | |
1598 | `glyph' property, and should be FACTOR times that width. | |
1599 | ||
1600 | 3. `:align-to HPOS' specifies that the space should be wide enough | |
1601 | to reach HPOS, a value in canonical character units. | |
1602 | ||
1603 | Exactly one of the above pairs must be present. | |
1604 | ||
1605 | 4. `:height HEIGHT' specifies that the height of the stretch produced | |
1606 | should be HEIGHT, measured in canonical character units. | |
1607 | ||
1608 | 5. `:relative-height FACTOR' specifies that the height of the the | |
1609 | stretch should be FACTOR times the height of the characters having | |
1610 | the glyph property. | |
1611 | ||
1612 | Either none or exactly one of 4 or 5 must be present. | |
1613 | ||
1614 | 6. `:ascent ASCENT' specifies that ASCENT percent of the height | |
1615 | of the stretch should be used for the ascent of the stretch. | |
1616 | ASCENT must be in the range 0 <= ASCENT <= 100. */ | |
1617 | ||
1618 | #define NUMVAL(X) \ | |
1619 | ((INTEGERP (X) || FLOATP (X)) \ | |
1620 | ? XFLOATINT (X) \ | |
1621 | : - 1) | |
1622 | ||
1623 | ||
1624 | static void | |
1625 | x_produce_stretch_glyph (it) | |
1626 | struct it *it; | |
1627 | { | |
1628 | /* (space :width WIDTH :height HEIGHT. */ | |
3e71d8f2 GM |
1629 | #if GLYPH_DEBUG |
1630 | extern Lisp_Object Qspace; | |
1631 | #endif | |
1632 | extern Lisp_Object QCwidth, QCheight, QCascent; | |
06a2c219 GM |
1633 | extern Lisp_Object QCrelative_width, QCrelative_height; |
1634 | extern Lisp_Object QCalign_to; | |
1635 | Lisp_Object prop, plist; | |
1636 | double width = 0, height = 0, ascent = 0; | |
1637 | struct face *face = FACE_FROM_ID (it->f, it->face_id); | |
1638 | XFontStruct *font = face->font ? face->font : FRAME_FONT (it->f); | |
1639 | ||
1640 | PREPARE_FACE_FOR_DISPLAY (it->f, face); | |
1641 | ||
1642 | /* List should start with `space'. */ | |
1643 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1644 | plist = XCDR (it->object); | |
1645 | ||
1646 | /* Compute the width of the stretch. */ | |
1647 | if (prop = Fplist_get (plist, QCwidth), | |
1648 | NUMVAL (prop) > 0) | |
1649 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1650 | width = NUMVAL (prop) * CANON_X_UNIT (it->f); | |
1651 | else if (prop = Fplist_get (plist, QCrelative_width), | |
1652 | NUMVAL (prop) > 0) | |
1653 | { | |
1654 | /* Relative width `:relative-width FACTOR' specified and valid. | |
1655 | Compute the width of the characters having the `glyph' | |
1656 | property. */ | |
1657 | struct it it2; | |
1658 | unsigned char *p = BYTE_POS_ADDR (IT_BYTEPOS (*it)); | |
1659 | ||
1660 | it2 = *it; | |
1661 | if (it->multibyte_p) | |
1662 | { | |
1663 | int maxlen = ((IT_BYTEPOS (*it) >= GPT ? ZV : GPT) | |
1664 | - IT_BYTEPOS (*it)); | |
1665 | it2.c = STRING_CHAR_AND_LENGTH (p, maxlen, it2.len); | |
1666 | } | |
1667 | else | |
1668 | it2.c = *p, it2.len = 1; | |
1669 | ||
1670 | it2.glyph_row = NULL; | |
1671 | it2.what = IT_CHARACTER; | |
1672 | x_produce_glyphs (&it2); | |
1673 | width = NUMVAL (prop) * it2.pixel_width; | |
1674 | } | |
1675 | else if (prop = Fplist_get (plist, QCalign_to), | |
1676 | NUMVAL (prop) > 0) | |
1677 | width = NUMVAL (prop) * CANON_X_UNIT (it->f) - it->current_x; | |
1678 | else | |
1679 | /* Nothing specified -> width defaults to canonical char width. */ | |
1680 | width = CANON_X_UNIT (it->f); | |
1681 | ||
1682 | /* Compute height. */ | |
1683 | if (prop = Fplist_get (plist, QCheight), | |
1684 | NUMVAL (prop) > 0) | |
1685 | height = NUMVAL (prop) * CANON_Y_UNIT (it->f); | |
1686 | else if (prop = Fplist_get (plist, QCrelative_height), | |
1687 | NUMVAL (prop) > 0) | |
1688 | height = FONT_HEIGHT (font) * NUMVAL (prop); | |
1689 | else | |
1690 | height = FONT_HEIGHT (font); | |
1691 | ||
1692 | /* Compute percentage of height used for ascent. If | |
1693 | `:ascent ASCENT' is present and valid, use that. Otherwise, | |
1694 | derive the ascent from the font in use. */ | |
1695 | if (prop = Fplist_get (plist, QCascent), | |
1696 | NUMVAL (prop) > 0 && NUMVAL (prop) <= 100) | |
1697 | ascent = NUMVAL (prop) / 100.0; | |
1698 | else | |
1699 | ascent = (double) font->ascent / FONT_HEIGHT (font); | |
1700 | ||
1701 | if (width <= 0) | |
1702 | width = 1; | |
1703 | if (height <= 0) | |
1704 | height = 1; | |
1705 | ||
1706 | if (it->glyph_row) | |
1707 | { | |
1708 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1709 | if (!STRINGP (object)) | |
1710 | object = it->w->buffer; | |
1711 | x_append_stretch_glyph (it, object, width, height, ascent); | |
1712 | } | |
1713 | ||
1714 | it->pixel_width = width; | |
66ac4b0e GM |
1715 | it->ascent = it->phys_ascent = height * ascent; |
1716 | it->descent = it->phys_descent = height - it->ascent; | |
06a2c219 GM |
1717 | it->nglyphs = 1; |
1718 | ||
1719 | if (face->box != FACE_NO_BOX) | |
1720 | { | |
ea2ba0d4 KH |
1721 | if (face->box_line_width > 0) |
1722 | { | |
1723 | it->ascent += face->box_line_width; | |
1724 | it->descent += face->box_line_width; | |
1725 | } | |
06a2c219 GM |
1726 | |
1727 | if (it->start_of_box_run_p) | |
ea2ba0d4 | 1728 | it->pixel_width += abs (face->box_line_width); |
06a2c219 | 1729 | if (it->end_of_box_run_p) |
ea2ba0d4 | 1730 | it->pixel_width += abs (face->box_line_width); |
06a2c219 GM |
1731 | } |
1732 | ||
1733 | take_vertical_position_into_account (it); | |
1734 | } | |
1735 | ||
b4192550 KH |
1736 | /* Return proper value to be used as baseline offset of font that has |
1737 | ASCENT and DESCENT to draw characters by the font at the vertical | |
1738 | center of the line of frame F. | |
1739 | ||
1740 | Here, out task is to find the value of BOFF in the following figure; | |
1741 | ||
1742 | -------------------------+-----------+- | |
1743 | -+-+---------+-+ | | | |
1744 | | | | | | | | |
1745 | | | | | F_ASCENT F_HEIGHT | |
1746 | | | | ASCENT | | | |
1747 | HEIGHT | | | | | | |
1748 | | | |-|-+------+-----------|------- baseline | |
1749 | | | | | BOFF | | | |
1750 | | |---------|-+-+ | | | |
1751 | | | | DESCENT | | | |
1752 | -+-+---------+-+ F_DESCENT | | |
1753 | -------------------------+-----------+- | |
1754 | ||
1755 | -BOFF + DESCENT + (F_HEIGHT - HEIGHT) / 2 = F_DESCENT | |
1756 | BOFF = DESCENT + (F_HEIGHT - HEIGHT) / 2 - F_DESCENT | |
1757 | DESCENT = FONT->descent | |
1758 | HEIGHT = FONT_HEIGHT (FONT) | |
1759 | F_DESCENT = (F->output_data.x->font->descent | |
1760 | - F->output_data.x->baseline_offset) | |
1761 | F_HEIGHT = FRAME_LINE_HEIGHT (F) | |
1762 | */ | |
1763 | ||
458f45fa KH |
1764 | #define VCENTER_BASELINE_OFFSET(FONT, F) \ |
1765 | ((FONT)->descent \ | |
1766 | + (FRAME_LINE_HEIGHT ((F)) - FONT_HEIGHT ((FONT)) \ | |
1767 | + (FRAME_LINE_HEIGHT ((F)) > FONT_HEIGHT ((FONT)))) / 2 \ | |
1768 | - ((F)->output_data.x->font->descent - (F)->output_data.x->baseline_offset)) | |
06a2c219 GM |
1769 | |
1770 | /* Produce glyphs/get display metrics for the display element IT is | |
1771 | loaded with. See the description of struct display_iterator in | |
1772 | dispextern.h for an overview of struct display_iterator. */ | |
1773 | ||
1774 | static void | |
1775 | x_produce_glyphs (it) | |
1776 | struct it *it; | |
1777 | { | |
ee569018 KH |
1778 | it->glyph_not_available_p = 0; |
1779 | ||
06a2c219 GM |
1780 | if (it->what == IT_CHARACTER) |
1781 | { | |
1782 | XChar2b char2b; | |
1783 | XFontStruct *font; | |
ee569018 | 1784 | struct face *face = FACE_FROM_ID (it->f, it->face_id); |
06a2c219 | 1785 | XCharStruct *pcm; |
06a2c219 | 1786 | int font_not_found_p; |
b4192550 KH |
1787 | struct font_info *font_info; |
1788 | int boff; /* baseline offset */ | |
a4249304 KH |
1789 | /* We may change it->multibyte_p upon unibyte<->multibyte |
1790 | conversion. So, save the current value now and restore it | |
1791 | later. | |
1792 | ||
1793 | Note: It seems that we don't have to record multibyte_p in | |
1794 | struct glyph because the character code itself tells if or | |
1795 | not the character is multibyte. Thus, in the future, we must | |
1796 | consider eliminating the field `multibyte_p' in the struct | |
c347a1c3 | 1797 | glyph. */ |
a4249304 | 1798 | int saved_multibyte_p = it->multibyte_p; |
06a2c219 | 1799 | |
ee569018 KH |
1800 | /* Maybe translate single-byte characters to multibyte, or the |
1801 | other way. */ | |
06a2c219 | 1802 | it->char_to_display = it->c; |
ee569018 | 1803 | if (!ASCII_BYTE_P (it->c)) |
06a2c219 | 1804 | { |
ee569018 KH |
1805 | if (unibyte_display_via_language_environment |
1806 | && SINGLE_BYTE_CHAR_P (it->c) | |
1807 | && (it->c >= 0240 | |
1808 | || !NILP (Vnonascii_translation_table))) | |
1809 | { | |
1810 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
a4249304 | 1811 | it->multibyte_p = 1; |
ee569018 KH |
1812 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); |
1813 | face = FACE_FROM_ID (it->f, it->face_id); | |
1814 | } | |
1815 | else if (!SINGLE_BYTE_CHAR_P (it->c) | |
1816 | && !it->multibyte_p) | |
1817 | { | |
c347a1c3 | 1818 | it->multibyte_p = 1; |
ee569018 KH |
1819 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); |
1820 | face = FACE_FROM_ID (it->f, it->face_id); | |
1821 | } | |
06a2c219 GM |
1822 | } |
1823 | ||
ee569018 KH |
1824 | /* Get font to use. Encode IT->char_to_display. */ |
1825 | x_get_char_face_and_encoding (it->f, it->char_to_display, | |
1826 | it->face_id, &char2b, | |
1827 | it->multibyte_p); | |
06a2c219 GM |
1828 | font = face->font; |
1829 | ||
1830 | /* When no suitable font found, use the default font. */ | |
1831 | font_not_found_p = font == NULL; | |
1832 | if (font_not_found_p) | |
b4192550 KH |
1833 | { |
1834 | font = FRAME_FONT (it->f); | |
1835 | boff = it->f->output_data.x->baseline_offset; | |
1836 | font_info = NULL; | |
1837 | } | |
1838 | else | |
1839 | { | |
1840 | font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
1841 | boff = font_info->baseline_offset; | |
1842 | if (font_info->vertical_centering) | |
1843 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
1844 | } | |
06a2c219 GM |
1845 | |
1846 | if (it->char_to_display >= ' ' | |
1847 | && (!it->multibyte_p || it->char_to_display < 128)) | |
1848 | { | |
1849 | /* Either unibyte or ASCII. */ | |
1850 | int stretched_p; | |
1851 | ||
1852 | it->nglyphs = 1; | |
06a2c219 GM |
1853 | |
1854 | pcm = x_per_char_metric (font, &char2b); | |
b4192550 KH |
1855 | it->ascent = font->ascent + boff; |
1856 | it->descent = font->descent - boff; | |
474848ac GM |
1857 | |
1858 | if (pcm) | |
1859 | { | |
1860 | it->phys_ascent = pcm->ascent + boff; | |
1861 | it->phys_descent = pcm->descent - boff; | |
1862 | it->pixel_width = pcm->width; | |
1863 | } | |
1864 | else | |
1865 | { | |
1866 | it->glyph_not_available_p = 1; | |
1867 | it->phys_ascent = font->ascent + boff; | |
1868 | it->phys_descent = font->descent - boff; | |
1869 | it->pixel_width = FONT_WIDTH (font); | |
1870 | } | |
06a2c219 GM |
1871 | |
1872 | /* If this is a space inside a region of text with | |
1873 | `space-width' property, change its width. */ | |
1874 | stretched_p = it->char_to_display == ' ' && !NILP (it->space_width); | |
1875 | if (stretched_p) | |
1876 | it->pixel_width *= XFLOATINT (it->space_width); | |
1877 | ||
1878 | /* If face has a box, add the box thickness to the character | |
1879 | height. If character has a box line to the left and/or | |
1880 | right, add the box line width to the character's width. */ | |
1881 | if (face->box != FACE_NO_BOX) | |
1882 | { | |
1883 | int thick = face->box_line_width; | |
1884 | ||
ea2ba0d4 KH |
1885 | if (thick > 0) |
1886 | { | |
1887 | it->ascent += thick; | |
1888 | it->descent += thick; | |
1889 | } | |
1890 | else | |
1891 | thick = -thick; | |
1892 | ||
06a2c219 GM |
1893 | if (it->start_of_box_run_p) |
1894 | it->pixel_width += thick; | |
1895 | if (it->end_of_box_run_p) | |
1896 | it->pixel_width += thick; | |
1897 | } | |
1898 | ||
1899 | /* If face has an overline, add the height of the overline | |
1900 | (1 pixel) and a 1 pixel margin to the character height. */ | |
1901 | if (face->overline_p) | |
1902 | it->ascent += 2; | |
1903 | ||
1904 | take_vertical_position_into_account (it); | |
1905 | ||
1906 | /* If we have to actually produce glyphs, do it. */ | |
1907 | if (it->glyph_row) | |
1908 | { | |
1909 | if (stretched_p) | |
1910 | { | |
1911 | /* Translate a space with a `space-width' property | |
1912 | into a stretch glyph. */ | |
1913 | double ascent = (double) font->ascent / FONT_HEIGHT (font); | |
1914 | x_append_stretch_glyph (it, it->object, it->pixel_width, | |
1915 | it->ascent + it->descent, ascent); | |
1916 | } | |
1917 | else | |
1918 | x_append_glyph (it); | |
1919 | ||
1920 | /* If characters with lbearing or rbearing are displayed | |
1921 | in this line, record that fact in a flag of the | |
1922 | glyph row. This is used to optimize X output code. */ | |
1c7e22fd | 1923 | if (pcm && (pcm->lbearing < 0 || pcm->rbearing > pcm->width)) |
06a2c219 GM |
1924 | it->glyph_row->contains_overlapping_glyphs_p = 1; |
1925 | } | |
1926 | } | |
1927 | else if (it->char_to_display == '\n') | |
1928 | { | |
1929 | /* A newline has no width but we need the height of the line. */ | |
1930 | it->pixel_width = 0; | |
1931 | it->nglyphs = 0; | |
b4192550 KH |
1932 | it->ascent = it->phys_ascent = font->ascent + boff; |
1933 | it->descent = it->phys_descent = font->descent - boff; | |
06a2c219 | 1934 | |
ea2ba0d4 KH |
1935 | if (face->box != FACE_NO_BOX |
1936 | && face->box_line_width > 0) | |
06a2c219 | 1937 | { |
ea2ba0d4 KH |
1938 | it->ascent += face->box_line_width; |
1939 | it->descent += face->box_line_width; | |
06a2c219 GM |
1940 | } |
1941 | } | |
1942 | else if (it->char_to_display == '\t') | |
1943 | { | |
1944 | int tab_width = it->tab_width * CANON_X_UNIT (it->f); | |
d365f5bb | 1945 | int x = it->current_x + it->continuation_lines_width; |
06a2c219 | 1946 | int next_tab_x = ((1 + x + tab_width - 1) / tab_width) * tab_width; |
2a32b5ea GM |
1947 | |
1948 | /* If the distance from the current position to the next tab | |
1949 | stop is less than a canonical character width, use the | |
1950 | tab stop after that. */ | |
1951 | if (next_tab_x - x < CANON_X_UNIT (it->f)) | |
1952 | next_tab_x += tab_width; | |
06a2c219 GM |
1953 | |
1954 | it->pixel_width = next_tab_x - x; | |
1955 | it->nglyphs = 1; | |
b4192550 KH |
1956 | it->ascent = it->phys_ascent = font->ascent + boff; |
1957 | it->descent = it->phys_descent = font->descent - boff; | |
06a2c219 GM |
1958 | |
1959 | if (it->glyph_row) | |
1960 | { | |
1961 | double ascent = (double) it->ascent / (it->ascent + it->descent); | |
1962 | x_append_stretch_glyph (it, it->object, it->pixel_width, | |
1963 | it->ascent + it->descent, ascent); | |
1964 | } | |
1965 | } | |
1966 | else | |
1967 | { | |
1968 | /* A multi-byte character. Assume that the display width of the | |
1969 | character is the width of the character multiplied by the | |
b4192550 | 1970 | width of the font. */ |
06a2c219 | 1971 | |
b4192550 KH |
1972 | /* If we found a font, this font should give us the right |
1973 | metrics. If we didn't find a font, use the frame's | |
1974 | default font and calculate the width of the character | |
1975 | from the charset width; this is what old redisplay code | |
1976 | did. */ | |
1977 | pcm = x_per_char_metric (font, &char2b); | |
ee569018 KH |
1978 | if (font_not_found_p || !pcm) |
1979 | { | |
1980 | int charset = CHAR_CHARSET (it->char_to_display); | |
1981 | ||
1982 | it->glyph_not_available_p = 1; | |
1983 | it->pixel_width = (FONT_WIDTH (FRAME_FONT (it->f)) | |
1984 | * CHARSET_WIDTH (charset)); | |
1985 | it->phys_ascent = font->ascent + boff; | |
1986 | it->phys_descent = font->descent - boff; | |
1987 | } | |
1988 | else | |
1989 | { | |
1990 | it->pixel_width = pcm->width; | |
1991 | it->phys_ascent = pcm->ascent + boff; | |
1992 | it->phys_descent = pcm->descent - boff; | |
1993 | if (it->glyph_row | |
1994 | && (pcm->lbearing < 0 | |
1995 | || pcm->rbearing > pcm->width)) | |
1996 | it->glyph_row->contains_overlapping_glyphs_p = 1; | |
1997 | } | |
b4192550 KH |
1998 | it->nglyphs = 1; |
1999 | it->ascent = font->ascent + boff; | |
2000 | it->descent = font->descent - boff; | |
06a2c219 GM |
2001 | if (face->box != FACE_NO_BOX) |
2002 | { | |
2003 | int thick = face->box_line_width; | |
ea2ba0d4 KH |
2004 | |
2005 | if (thick > 0) | |
2006 | { | |
2007 | it->ascent += thick; | |
2008 | it->descent += thick; | |
2009 | } | |
2010 | else | |
2011 | thick = - thick; | |
06a2c219 GM |
2012 | |
2013 | if (it->start_of_box_run_p) | |
2014 | it->pixel_width += thick; | |
2015 | if (it->end_of_box_run_p) | |
2016 | it->pixel_width += thick; | |
2017 | } | |
2018 | ||
2019 | /* If face has an overline, add the height of the overline | |
2020 | (1 pixel) and a 1 pixel margin to the character height. */ | |
2021 | if (face->overline_p) | |
2022 | it->ascent += 2; | |
2023 | ||
2024 | take_vertical_position_into_account (it); | |
2025 | ||
2026 | if (it->glyph_row) | |
2027 | x_append_glyph (it); | |
2028 | } | |
a4249304 | 2029 | it->multibyte_p = saved_multibyte_p; |
06a2c219 | 2030 | } |
b4192550 KH |
2031 | else if (it->what == IT_COMPOSITION) |
2032 | { | |
2033 | /* Note: A composition is represented as one glyph in the | |
2034 | glyph matrix. There are no padding glyphs. */ | |
2035 | XChar2b char2b; | |
2036 | XFontStruct *font; | |
ee569018 | 2037 | struct face *face = FACE_FROM_ID (it->f, it->face_id); |
b4192550 KH |
2038 | XCharStruct *pcm; |
2039 | int font_not_found_p; | |
2040 | struct font_info *font_info; | |
2041 | int boff; /* baseline offset */ | |
2042 | struct composition *cmp = composition_table[it->cmp_id]; | |
2043 | ||
2044 | /* Maybe translate single-byte characters to multibyte. */ | |
2045 | it->char_to_display = it->c; | |
2046 | if (unibyte_display_via_language_environment | |
2047 | && SINGLE_BYTE_CHAR_P (it->c) | |
2048 | && (it->c >= 0240 | |
2049 | || (it->c >= 0200 | |
2050 | && !NILP (Vnonascii_translation_table)))) | |
2051 | { | |
2052 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
b4192550 KH |
2053 | } |
2054 | ||
2055 | /* Get face and font to use. Encode IT->char_to_display. */ | |
ee569018 KH |
2056 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); |
2057 | face = FACE_FROM_ID (it->f, it->face_id); | |
2058 | x_get_char_face_and_encoding (it->f, it->char_to_display, | |
2059 | it->face_id, &char2b, it->multibyte_p); | |
b4192550 KH |
2060 | font = face->font; |
2061 | ||
2062 | /* When no suitable font found, use the default font. */ | |
2063 | font_not_found_p = font == NULL; | |
2064 | if (font_not_found_p) | |
2065 | { | |
2066 | font = FRAME_FONT (it->f); | |
2067 | boff = it->f->output_data.x->baseline_offset; | |
2068 | font_info = NULL; | |
2069 | } | |
2070 | else | |
2071 | { | |
2072 | font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
2073 | boff = font_info->baseline_offset; | |
2074 | if (font_info->vertical_centering) | |
2075 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
2076 | } | |
2077 | ||
2078 | /* There are no padding glyphs, so there is only one glyph to | |
2079 | produce for the composition. Important is that pixel_width, | |
2080 | ascent and descent are the values of what is drawn by | |
2081 | draw_glyphs (i.e. the values of the overall glyphs composed). */ | |
2082 | it->nglyphs = 1; | |
2083 | ||
2084 | /* If we have not yet calculated pixel size data of glyphs of | |
2085 | the composition for the current face font, calculate them | |
2086 | now. Theoretically, we have to check all fonts for the | |
2087 | glyphs, but that requires much time and memory space. So, | |
2088 | here we check only the font of the first glyph. This leads | |
2089 | to incorrect display very rarely, and C-l (recenter) can | |
2090 | correct the display anyway. */ | |
2091 | if (cmp->font != (void *) font) | |
2092 | { | |
2093 | /* Ascent and descent of the font of the first character of | |
2094 | this composition (adjusted by baseline offset). Ascent | |
2095 | and descent of overall glyphs should not be less than | |
2096 | them respectively. */ | |
2097 | int font_ascent = font->ascent + boff; | |
2098 | int font_descent = font->descent - boff; | |
2099 | /* Bounding box of the overall glyphs. */ | |
2100 | int leftmost, rightmost, lowest, highest; | |
329bed06 | 2101 | int i, width, ascent, descent; |
b4192550 KH |
2102 | |
2103 | cmp->font = (void *) font; | |
2104 | ||
2105 | /* Initialize the bounding box. */ | |
1bdeec2e KH |
2106 | if (font_info |
2107 | && (pcm = x_per_char_metric (font, &char2b))) | |
329bed06 GM |
2108 | { |
2109 | width = pcm->width; | |
2110 | ascent = pcm->ascent; | |
2111 | descent = pcm->descent; | |
2112 | } | |
2113 | else | |
2114 | { | |
2115 | width = FONT_WIDTH (font); | |
2116 | ascent = font->ascent; | |
2117 | descent = font->descent; | |
2118 | } | |
2119 | ||
2120 | rightmost = width; | |
2121 | lowest = - descent + boff; | |
2122 | highest = ascent + boff; | |
b4192550 | 2123 | leftmost = 0; |
329bed06 | 2124 | |
b4192550 KH |
2125 | if (font_info |
2126 | && font_info->default_ascent | |
2127 | && CHAR_TABLE_P (Vuse_default_ascent) | |
2128 | && !NILP (Faref (Vuse_default_ascent, | |
2129 | make_number (it->char_to_display)))) | |
2130 | highest = font_info->default_ascent + boff; | |
2131 | ||
2132 | /* Draw the first glyph at the normal position. It may be | |
2133 | shifted to right later if some other glyphs are drawn at | |
2134 | the left. */ | |
2135 | cmp->offsets[0] = 0; | |
2136 | cmp->offsets[1] = boff; | |
2137 | ||
2138 | /* Set cmp->offsets for the remaining glyphs. */ | |
2139 | for (i = 1; i < cmp->glyph_len; i++) | |
2140 | { | |
2141 | int left, right, btm, top; | |
2142 | int ch = COMPOSITION_GLYPH (cmp, i); | |
ee569018 KH |
2143 | int face_id = FACE_FOR_CHAR (it->f, face, ch); |
2144 | ||
2145 | face = FACE_FROM_ID (it->f, face_id); | |
2146 | x_get_char_face_and_encoding (it->f, ch, face->id, &char2b, | |
2147 | it->multibyte_p); | |
b4192550 KH |
2148 | font = face->font; |
2149 | if (font == NULL) | |
2150 | { | |
2151 | font = FRAME_FONT (it->f); | |
2152 | boff = it->f->output_data.x->baseline_offset; | |
2153 | font_info = NULL; | |
2154 | } | |
2155 | else | |
2156 | { | |
2157 | font_info | |
2158 | = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
2159 | boff = font_info->baseline_offset; | |
2160 | if (font_info->vertical_centering) | |
2161 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
2162 | } | |
2163 | ||
1bdeec2e KH |
2164 | if (font_info |
2165 | && (pcm = x_per_char_metric (font, &char2b))) | |
329bed06 GM |
2166 | { |
2167 | width = pcm->width; | |
2168 | ascent = pcm->ascent; | |
2169 | descent = pcm->descent; | |
2170 | } | |
2171 | else | |
2172 | { | |
2173 | width = FONT_WIDTH (font); | |
1bdeec2e KH |
2174 | ascent = 1; |
2175 | descent = 0; | |
329bed06 | 2176 | } |
b4192550 KH |
2177 | |
2178 | if (cmp->method != COMPOSITION_WITH_RULE_ALTCHARS) | |
2179 | { | |
2180 | /* Relative composition with or without | |
2181 | alternate chars. */ | |
329bed06 GM |
2182 | left = (leftmost + rightmost - width) / 2; |
2183 | btm = - descent + boff; | |
b4192550 KH |
2184 | if (font_info && font_info->relative_compose |
2185 | && (! CHAR_TABLE_P (Vignore_relative_composition) | |
2186 | || NILP (Faref (Vignore_relative_composition, | |
2187 | make_number (ch))))) | |
2188 | { | |
2189 | ||
329bed06 | 2190 | if (- descent >= font_info->relative_compose) |
b4192550 KH |
2191 | /* One extra pixel between two glyphs. */ |
2192 | btm = highest + 1; | |
329bed06 | 2193 | else if (ascent <= 0) |
b4192550 | 2194 | /* One extra pixel between two glyphs. */ |
329bed06 | 2195 | btm = lowest - 1 - ascent - descent; |
b4192550 KH |
2196 | } |
2197 | } | |
2198 | else | |
2199 | { | |
2200 | /* A composition rule is specified by an integer | |
2201 | value that encodes global and new reference | |
2202 | points (GREF and NREF). GREF and NREF are | |
2203 | specified by numbers as below: | |
2204 | ||
2205 | 0---1---2 -- ascent | |
2206 | | | | |
2207 | | | | |
2208 | | | | |
2209 | 9--10--11 -- center | |
2210 | | | | |
2211 | ---3---4---5--- baseline | |
2212 | | | | |
2213 | 6---7---8 -- descent | |
2214 | */ | |
2215 | int rule = COMPOSITION_RULE (cmp, i); | |
2216 | int gref, nref, grefx, grefy, nrefx, nrefy; | |
2217 | ||
2218 | COMPOSITION_DECODE_RULE (rule, gref, nref); | |
2219 | grefx = gref % 3, nrefx = nref % 3; | |
2220 | grefy = gref / 3, nrefy = nref / 3; | |
2221 | ||
2222 | left = (leftmost | |
2223 | + grefx * (rightmost - leftmost) / 2 | |
329bed06 | 2224 | - nrefx * width / 2); |
b4192550 KH |
2225 | btm = ((grefy == 0 ? highest |
2226 | : grefy == 1 ? 0 | |
2227 | : grefy == 2 ? lowest | |
2228 | : (highest + lowest) / 2) | |
329bed06 GM |
2229 | - (nrefy == 0 ? ascent + descent |
2230 | : nrefy == 1 ? descent - boff | |
b4192550 | 2231 | : nrefy == 2 ? 0 |
329bed06 | 2232 | : (ascent + descent) / 2)); |
b4192550 KH |
2233 | } |
2234 | ||
2235 | cmp->offsets[i * 2] = left; | |
329bed06 | 2236 | cmp->offsets[i * 2 + 1] = btm + descent; |
b4192550 KH |
2237 | |
2238 | /* Update the bounding box of the overall glyphs. */ | |
329bed06 GM |
2239 | right = left + width; |
2240 | top = btm + descent + ascent; | |
b4192550 KH |
2241 | if (left < leftmost) |
2242 | leftmost = left; | |
2243 | if (right > rightmost) | |
2244 | rightmost = right; | |
2245 | if (top > highest) | |
2246 | highest = top; | |
2247 | if (btm < lowest) | |
2248 | lowest = btm; | |
2249 | } | |
2250 | ||
2251 | /* If there are glyphs whose x-offsets are negative, | |
2252 | shift all glyphs to the right and make all x-offsets | |
2253 | non-negative. */ | |
2254 | if (leftmost < 0) | |
2255 | { | |
2256 | for (i = 0; i < cmp->glyph_len; i++) | |
2257 | cmp->offsets[i * 2] -= leftmost; | |
2258 | rightmost -= leftmost; | |
2259 | } | |
2260 | ||
2261 | cmp->pixel_width = rightmost; | |
2262 | cmp->ascent = highest; | |
2263 | cmp->descent = - lowest; | |
2264 | if (cmp->ascent < font_ascent) | |
2265 | cmp->ascent = font_ascent; | |
2266 | if (cmp->descent < font_descent) | |
2267 | cmp->descent = font_descent; | |
2268 | } | |
2269 | ||
2270 | it->pixel_width = cmp->pixel_width; | |
2271 | it->ascent = it->phys_ascent = cmp->ascent; | |
2272 | it->descent = it->phys_descent = cmp->descent; | |
2273 | ||
2274 | if (face->box != FACE_NO_BOX) | |
2275 | { | |
2276 | int thick = face->box_line_width; | |
ea2ba0d4 KH |
2277 | |
2278 | if (thick > 0) | |
2279 | { | |
2280 | it->ascent += thick; | |
2281 | it->descent += thick; | |
2282 | } | |
2283 | else | |
2284 | thick = - thick; | |
b4192550 KH |
2285 | |
2286 | if (it->start_of_box_run_p) | |
2287 | it->pixel_width += thick; | |
2288 | if (it->end_of_box_run_p) | |
2289 | it->pixel_width += thick; | |
2290 | } | |
2291 | ||
2292 | /* If face has an overline, add the height of the overline | |
2293 | (1 pixel) and a 1 pixel margin to the character height. */ | |
2294 | if (face->overline_p) | |
2295 | it->ascent += 2; | |
2296 | ||
2297 | take_vertical_position_into_account (it); | |
2298 | ||
2299 | if (it->glyph_row) | |
2300 | x_append_composite_glyph (it); | |
2301 | } | |
06a2c219 GM |
2302 | else if (it->what == IT_IMAGE) |
2303 | x_produce_image_glyph (it); | |
2304 | else if (it->what == IT_STRETCH) | |
2305 | x_produce_stretch_glyph (it); | |
2306 | ||
3017fdd1 GM |
2307 | /* Accumulate dimensions. Note: can't assume that it->descent > 0 |
2308 | because this isn't true for images with `:ascent 100'. */ | |
2309 | xassert (it->ascent >= 0 && it->descent >= 0); | |
06a2c219 GM |
2310 | if (it->area == TEXT_AREA) |
2311 | it->current_x += it->pixel_width; | |
66ac4b0e | 2312 | |
d365f5bb GM |
2313 | it->descent += it->extra_line_spacing; |
2314 | ||
06a2c219 GM |
2315 | it->max_ascent = max (it->max_ascent, it->ascent); |
2316 | it->max_descent = max (it->max_descent, it->descent); | |
66ac4b0e GM |
2317 | it->max_phys_ascent = max (it->max_phys_ascent, it->phys_ascent); |
2318 | it->max_phys_descent = max (it->max_phys_descent, it->phys_descent); | |
06a2c219 GM |
2319 | } |
2320 | ||
2321 | ||
2322 | /* Estimate the pixel height of the mode or top line on frame F. | |
2323 | FACE_ID specifies what line's height to estimate. */ | |
2324 | ||
2325 | int | |
2326 | x_estimate_mode_line_height (f, face_id) | |
2327 | struct frame *f; | |
2328 | enum face_id face_id; | |
2329 | { | |
43281ee3 | 2330 | int height = FONT_HEIGHT (FRAME_FONT (f)); |
06a2c219 GM |
2331 | |
2332 | /* This function is called so early when Emacs starts that the face | |
2333 | cache and mode line face are not yet initialized. */ | |
2334 | if (FRAME_FACE_CACHE (f)) | |
2335 | { | |
2336 | struct face *face = FACE_FROM_ID (f, face_id); | |
2337 | if (face) | |
43281ee3 GM |
2338 | { |
2339 | if (face->font) | |
2340 | height = FONT_HEIGHT (face->font); | |
ea2ba0d4 KH |
2341 | if (face->box_line_width > 0) |
2342 | height += 2 * face->box_line_width; | |
43281ee3 | 2343 | } |
06a2c219 GM |
2344 | } |
2345 | ||
2346 | return height; | |
2347 | } | |
2348 | ||
2349 | \f | |
2350 | /*********************************************************************** | |
2351 | Glyph display | |
2352 | ***********************************************************************/ | |
2353 | ||
2354 | /* A sequence of glyphs to be drawn in the same face. | |
2355 | ||
2356 | This data structure is not really completely X specific, so it | |
2357 | could possibly, at least partially, be useful for other systems. It | |
2358 | is currently not part of the external redisplay interface because | |
2359 | it's not clear what other systems will need. */ | |
2360 | ||
2361 | struct glyph_string | |
2362 | { | |
2363 | /* X-origin of the string. */ | |
2364 | int x; | |
2365 | ||
2366 | /* Y-origin and y-position of the base line of this string. */ | |
2367 | int y, ybase; | |
2368 | ||
2369 | /* The width of the string, not including a face extension. */ | |
2370 | int width; | |
2371 | ||
2372 | /* The width of the string, including a face extension. */ | |
2373 | int background_width; | |
2374 | ||
2375 | /* The height of this string. This is the height of the line this | |
2376 | string is drawn in, and can be different from the height of the | |
2377 | font the string is drawn in. */ | |
2378 | int height; | |
2379 | ||
2380 | /* Number of pixels this string overwrites in front of its x-origin. | |
2381 | This number is zero if the string has an lbearing >= 0; it is | |
2382 | -lbearing, if the string has an lbearing < 0. */ | |
2383 | int left_overhang; | |
2384 | ||
2385 | /* Number of pixels this string overwrites past its right-most | |
2386 | nominal x-position, i.e. x + width. Zero if the string's | |
2387 | rbearing is <= its nominal width, rbearing - width otherwise. */ | |
2388 | int right_overhang; | |
2389 | ||
2390 | /* The frame on which the glyph string is drawn. */ | |
2391 | struct frame *f; | |
2392 | ||
2393 | /* The window on which the glyph string is drawn. */ | |
2394 | struct window *w; | |
2395 | ||
2396 | /* X display and window for convenience. */ | |
2397 | Display *display; | |
2398 | Window window; | |
2399 | ||
2400 | /* The glyph row for which this string was built. It determines the | |
2401 | y-origin and height of the string. */ | |
2402 | struct glyph_row *row; | |
2403 | ||
2404 | /* The area within row. */ | |
2405 | enum glyph_row_area area; | |
2406 | ||
2407 | /* Characters to be drawn, and number of characters. */ | |
2408 | XChar2b *char2b; | |
2409 | int nchars; | |
2410 | ||
06a2c219 GM |
2411 | /* A face-override for drawing cursors, mouse face and similar. */ |
2412 | enum draw_glyphs_face hl; | |
2413 | ||
2414 | /* Face in which this string is to be drawn. */ | |
2415 | struct face *face; | |
2416 | ||
2417 | /* Font in which this string is to be drawn. */ | |
2418 | XFontStruct *font; | |
2419 | ||
2420 | /* Font info for this string. */ | |
2421 | struct font_info *font_info; | |
2422 | ||
b4192550 KH |
2423 | /* Non-null means this string describes (part of) a composition. |
2424 | All characters from char2b are drawn composed. */ | |
2425 | struct composition *cmp; | |
06a2c219 GM |
2426 | |
2427 | /* Index of this glyph string's first character in the glyph | |
b4192550 KH |
2428 | definition of CMP. If this is zero, this glyph string describes |
2429 | the first character of a composition. */ | |
06a2c219 GM |
2430 | int gidx; |
2431 | ||
2432 | /* 1 means this glyph strings face has to be drawn to the right end | |
2433 | of the window's drawing area. */ | |
2434 | unsigned extends_to_end_of_line_p : 1; | |
2435 | ||
2436 | /* 1 means the background of this string has been drawn. */ | |
2437 | unsigned background_filled_p : 1; | |
2438 | ||
2439 | /* 1 means glyph string must be drawn with 16-bit functions. */ | |
2440 | unsigned two_byte_p : 1; | |
2441 | ||
2442 | /* 1 means that the original font determined for drawing this glyph | |
2443 | string could not be loaded. The member `font' has been set to | |
2444 | the frame's default font in this case. */ | |
2445 | unsigned font_not_found_p : 1; | |
2446 | ||
2447 | /* 1 means that the face in which this glyph string is drawn has a | |
2448 | stipple pattern. */ | |
2449 | unsigned stippled_p : 1; | |
2450 | ||
66ac4b0e GM |
2451 | /* 1 means only the foreground of this glyph string must be drawn, |
2452 | and we should use the physical height of the line this glyph | |
2453 | string appears in as clip rect. */ | |
2454 | unsigned for_overlaps_p : 1; | |
2455 | ||
06a2c219 GM |
2456 | /* The GC to use for drawing this glyph string. */ |
2457 | GC gc; | |
2458 | ||
2459 | /* A pointer to the first glyph in the string. This glyph | |
2460 | corresponds to char2b[0]. Needed to draw rectangles if | |
2461 | font_not_found_p is 1. */ | |
2462 | struct glyph *first_glyph; | |
2463 | ||
2464 | /* Image, if any. */ | |
2465 | struct image *img; | |
2466 | ||
2467 | struct glyph_string *next, *prev; | |
2468 | }; | |
2469 | ||
2470 | ||
61869b99 | 2471 | #if GLYPH_DEBUG |
06a2c219 GM |
2472 | |
2473 | static void | |
2474 | x_dump_glyph_string (s) | |
2475 | struct glyph_string *s; | |
2476 | { | |
2477 | fprintf (stderr, "glyph string\n"); | |
2478 | fprintf (stderr, " x, y, w, h = %d, %d, %d, %d\n", | |
2479 | s->x, s->y, s->width, s->height); | |
2480 | fprintf (stderr, " ybase = %d\n", s->ybase); | |
2481 | fprintf (stderr, " hl = %d\n", s->hl); | |
2482 | fprintf (stderr, " left overhang = %d, right = %d\n", | |
2483 | s->left_overhang, s->right_overhang); | |
2484 | fprintf (stderr, " nchars = %d\n", s->nchars); | |
2485 | fprintf (stderr, " extends to end of line = %d\n", | |
2486 | s->extends_to_end_of_line_p); | |
2487 | fprintf (stderr, " font height = %d\n", FONT_HEIGHT (s->font)); | |
2488 | fprintf (stderr, " bg width = %d\n", s->background_width); | |
2489 | } | |
2490 | ||
2491 | #endif /* GLYPH_DEBUG */ | |
2492 | ||
2493 | ||
2494 | ||
2495 | static void x_append_glyph_string_lists P_ ((struct glyph_string **, | |
2496 | struct glyph_string **, | |
2497 | struct glyph_string *, | |
2498 | struct glyph_string *)); | |
2499 | static void x_prepend_glyph_string_lists P_ ((struct glyph_string **, | |
2500 | struct glyph_string **, | |
2501 | struct glyph_string *, | |
2502 | struct glyph_string *)); | |
2503 | static void x_append_glyph_string P_ ((struct glyph_string **, | |
2504 | struct glyph_string **, | |
2505 | struct glyph_string *)); | |
2506 | static int x_left_overwritten P_ ((struct glyph_string *)); | |
2507 | static int x_left_overwriting P_ ((struct glyph_string *)); | |
2508 | static int x_right_overwritten P_ ((struct glyph_string *)); | |
2509 | static int x_right_overwriting P_ ((struct glyph_string *)); | |
66ac4b0e GM |
2510 | static int x_fill_glyph_string P_ ((struct glyph_string *, int, int, int, |
2511 | int)); | |
06a2c219 GM |
2512 | static void x_init_glyph_string P_ ((struct glyph_string *, |
2513 | XChar2b *, struct window *, | |
2514 | struct glyph_row *, | |
2515 | enum glyph_row_area, int, | |
2516 | enum draw_glyphs_face)); | |
2517 | static int x_draw_glyphs P_ ((struct window *, int , struct glyph_row *, | |
2518 | enum glyph_row_area, int, int, | |
f0a48a01 | 2519 | enum draw_glyphs_face, int)); |
06a2c219 GM |
2520 | static void x_set_glyph_string_clipping P_ ((struct glyph_string *)); |
2521 | static void x_set_glyph_string_gc P_ ((struct glyph_string *)); | |
2522 | static void x_draw_glyph_string_background P_ ((struct glyph_string *, | |
2523 | int)); | |
2524 | static void x_draw_glyph_string_foreground P_ ((struct glyph_string *)); | |
b4192550 | 2525 | static void x_draw_composite_glyph_string_foreground P_ ((struct glyph_string *)); |
06a2c219 GM |
2526 | static void x_draw_glyph_string_box P_ ((struct glyph_string *)); |
2527 | static void x_draw_glyph_string P_ ((struct glyph_string *)); | |
2528 | static void x_compute_glyph_string_overhangs P_ ((struct glyph_string *)); | |
2529 | static void x_set_cursor_gc P_ ((struct glyph_string *)); | |
2530 | static void x_set_mode_line_face_gc P_ ((struct glyph_string *)); | |
2531 | static void x_set_mouse_face_gc P_ ((struct glyph_string *)); | |
2532 | static void x_get_glyph_overhangs P_ ((struct glyph *, struct frame *, | |
2533 | int *, int *)); | |
2534 | static void x_compute_overhangs_and_x P_ ((struct glyph_string *, int, int)); | |
2535 | static int x_alloc_lighter_color P_ ((struct frame *, Display *, Colormap, | |
68c45bf0 | 2536 | unsigned long *, double, int)); |
06a2c219 | 2537 | static void x_setup_relief_color P_ ((struct frame *, struct relief *, |
68c45bf0 | 2538 | double, int, unsigned long)); |
06a2c219 GM |
2539 | static void x_setup_relief_colors P_ ((struct glyph_string *)); |
2540 | static void x_draw_image_glyph_string P_ ((struct glyph_string *)); | |
2541 | static void x_draw_image_relief P_ ((struct glyph_string *)); | |
2542 | static void x_draw_image_foreground P_ ((struct glyph_string *)); | |
2543 | static void x_draw_image_foreground_1 P_ ((struct glyph_string *, Pixmap)); | |
2544 | static void x_fill_image_glyph_string P_ ((struct glyph_string *)); | |
2545 | static void x_clear_glyph_string_rect P_ ((struct glyph_string *, int, | |
2546 | int, int, int)); | |
2547 | static void x_draw_relief_rect P_ ((struct frame *, int, int, int, int, | |
2548 | int, int, int, int, XRectangle *)); | |
2549 | static void x_draw_box_rect P_ ((struct glyph_string *, int, int, int, int, | |
2550 | int, int, int, XRectangle *)); | |
66ac4b0e GM |
2551 | static void x_fix_overlapping_area P_ ((struct window *, struct glyph_row *, |
2552 | enum glyph_row_area)); | |
209f68d9 GM |
2553 | static int x_fill_stretch_glyph_string P_ ((struct glyph_string *, |
2554 | struct glyph_row *, | |
2555 | enum glyph_row_area, int, int)); | |
06a2c219 | 2556 | |
163dcff3 GM |
2557 | #if GLYPH_DEBUG |
2558 | static void x_check_font P_ ((struct frame *, XFontStruct *)); | |
2559 | #endif | |
2560 | ||
06a2c219 | 2561 | |
06a2c219 GM |
2562 | /* Append the list of glyph strings with head H and tail T to the list |
2563 | with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the result. */ | |
2564 | ||
2565 | static INLINE void | |
2566 | x_append_glyph_string_lists (head, tail, h, t) | |
2567 | struct glyph_string **head, **tail; | |
2568 | struct glyph_string *h, *t; | |
2569 | { | |
2570 | if (h) | |
2571 | { | |
2572 | if (*head) | |
2573 | (*tail)->next = h; | |
2574 | else | |
2575 | *head = h; | |
2576 | h->prev = *tail; | |
2577 | *tail = t; | |
2578 | } | |
2579 | } | |
2580 | ||
2581 | ||
2582 | /* Prepend the list of glyph strings with head H and tail T to the | |
2583 | list with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the | |
2584 | result. */ | |
2585 | ||
2586 | static INLINE void | |
2587 | x_prepend_glyph_string_lists (head, tail, h, t) | |
2588 | struct glyph_string **head, **tail; | |
2589 | struct glyph_string *h, *t; | |
2590 | { | |
2591 | if (h) | |
2592 | { | |
2593 | if (*head) | |
2594 | (*head)->prev = t; | |
2595 | else | |
2596 | *tail = t; | |
2597 | t->next = *head; | |
2598 | *head = h; | |
2599 | } | |
2600 | } | |
2601 | ||
2602 | ||
2603 | /* Append glyph string S to the list with head *HEAD and tail *TAIL. | |
2604 | Set *HEAD and *TAIL to the resulting list. */ | |
2605 | ||
2606 | static INLINE void | |
2607 | x_append_glyph_string (head, tail, s) | |
2608 | struct glyph_string **head, **tail; | |
2609 | struct glyph_string *s; | |
2610 | { | |
2611 | s->next = s->prev = NULL; | |
2612 | x_append_glyph_string_lists (head, tail, s, s); | |
2613 | } | |
2614 | ||
2615 | ||
2616 | /* Set S->gc to a suitable GC for drawing glyph string S in cursor | |
2617 | face. */ | |
2618 | ||
2619 | static void | |
2620 | x_set_cursor_gc (s) | |
2621 | struct glyph_string *s; | |
2622 | { | |
2623 | if (s->font == FRAME_FONT (s->f) | |
2624 | && s->face->background == FRAME_BACKGROUND_PIXEL (s->f) | |
2625 | && s->face->foreground == FRAME_FOREGROUND_PIXEL (s->f) | |
b4192550 | 2626 | && !s->cmp) |
06a2c219 GM |
2627 | s->gc = s->f->output_data.x->cursor_gc; |
2628 | else | |
2629 | { | |
2630 | /* Cursor on non-default face: must merge. */ | |
2631 | XGCValues xgcv; | |
2632 | unsigned long mask; | |
2633 | ||
2634 | xgcv.background = s->f->output_data.x->cursor_pixel; | |
2635 | xgcv.foreground = s->face->background; | |
2636 | ||
2637 | /* If the glyph would be invisible, try a different foreground. */ | |
2638 | if (xgcv.foreground == xgcv.background) | |
2639 | xgcv.foreground = s->face->foreground; | |
2640 | if (xgcv.foreground == xgcv.background) | |
2641 | xgcv.foreground = s->f->output_data.x->cursor_foreground_pixel; | |
2642 | if (xgcv.foreground == xgcv.background) | |
2643 | xgcv.foreground = s->face->foreground; | |
2644 | ||
2645 | /* Make sure the cursor is distinct from text in this face. */ | |
2646 | if (xgcv.background == s->face->background | |
2647 | && xgcv.foreground == s->face->foreground) | |
2648 | { | |
2649 | xgcv.background = s->face->foreground; | |
2650 | xgcv.foreground = s->face->background; | |
2651 | } | |
2652 | ||
2653 | IF_DEBUG (x_check_font (s->f, s->font)); | |
2654 | xgcv.font = s->font->fid; | |
2655 | xgcv.graphics_exposures = False; | |
2656 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
2657 | ||
2658 | if (FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc) | |
2659 | XChangeGC (s->display, FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc, | |
2660 | mask, &xgcv); | |
2661 | else | |
2662 | FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc | |
2663 | = XCreateGC (s->display, s->window, mask, &xgcv); | |
2664 | ||
2665 | s->gc = FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc; | |
2666 | } | |
2667 | } | |
2668 | ||
2669 | ||
2670 | /* Set up S->gc of glyph string S for drawing text in mouse face. */ | |
2671 | ||
2672 | static void | |
2673 | x_set_mouse_face_gc (s) | |
2674 | struct glyph_string *s; | |
2675 | { | |
2676 | int face_id; | |
ee569018 | 2677 | struct face *face; |
06a2c219 | 2678 | |
e4ded23c | 2679 | /* What face has to be used last for the mouse face? */ |
06a2c219 | 2680 | face_id = FRAME_X_DISPLAY_INFO (s->f)->mouse_face_face_id; |
ee569018 | 2681 | face = FACE_FROM_ID (s->f, face_id); |
e4ded23c GM |
2682 | if (face == NULL) |
2683 | face = FACE_FROM_ID (s->f, MOUSE_FACE_ID); | |
2684 | ||
033e3e18 GM |
2685 | if (s->first_glyph->type == CHAR_GLYPH) |
2686 | face_id = FACE_FOR_CHAR (s->f, face, s->first_glyph->u.ch); | |
2687 | else | |
2688 | face_id = FACE_FOR_CHAR (s->f, face, 0); | |
06a2c219 GM |
2689 | s->face = FACE_FROM_ID (s->f, face_id); |
2690 | PREPARE_FACE_FOR_DISPLAY (s->f, s->face); | |
2691 | ||
2692 | /* If font in this face is same as S->font, use it. */ | |
2693 | if (s->font == s->face->font) | |
2694 | s->gc = s->face->gc; | |
2695 | else | |
2696 | { | |
2697 | /* Otherwise construct scratch_cursor_gc with values from FACE | |
2698 | but font FONT. */ | |
2699 | XGCValues xgcv; | |
2700 | unsigned long mask; | |
2701 | ||
2702 | xgcv.background = s->face->background; | |
2703 | xgcv.foreground = s->face->foreground; | |
2704 | IF_DEBUG (x_check_font (s->f, s->font)); | |
2705 | xgcv.font = s->font->fid; | |
2706 | xgcv.graphics_exposures = False; | |
2707 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
2708 | ||
2709 | if (FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc) | |
2710 | XChangeGC (s->display, FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc, | |
2711 | mask, &xgcv); | |
2712 | else | |
2713 | FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc | |
2714 | = XCreateGC (s->display, s->window, mask, &xgcv); | |
2715 | ||
2716 | s->gc = FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc; | |
2717 | } | |
2718 | ||
2719 | xassert (s->gc != 0); | |
2720 | } | |
2721 | ||
2722 | ||
2723 | /* Set S->gc of glyph string S to a GC suitable for drawing a mode line. | |
2724 | Faces to use in the mode line have already been computed when the | |
2725 | matrix was built, so there isn't much to do, here. */ | |
2726 | ||
2727 | static INLINE void | |
2728 | x_set_mode_line_face_gc (s) | |
2729 | struct glyph_string *s; | |
2730 | { | |
2731 | s->gc = s->face->gc; | |
06a2c219 GM |
2732 | } |
2733 | ||
2734 | ||
2735 | /* Set S->gc of glyph string S for drawing that glyph string. Set | |
2736 | S->stippled_p to a non-zero value if the face of S has a stipple | |
2737 | pattern. */ | |
2738 | ||
2739 | static INLINE void | |
2740 | x_set_glyph_string_gc (s) | |
2741 | struct glyph_string *s; | |
2742 | { | |
209f68d9 GM |
2743 | PREPARE_FACE_FOR_DISPLAY (s->f, s->face); |
2744 | ||
06a2c219 GM |
2745 | if (s->hl == DRAW_NORMAL_TEXT) |
2746 | { | |
2747 | s->gc = s->face->gc; | |
2748 | s->stippled_p = s->face->stipple != 0; | |
2749 | } | |
2750 | else if (s->hl == DRAW_INVERSE_VIDEO) | |
2751 | { | |
2752 | x_set_mode_line_face_gc (s); | |
2753 | s->stippled_p = s->face->stipple != 0; | |
2754 | } | |
2755 | else if (s->hl == DRAW_CURSOR) | |
2756 | { | |
2757 | x_set_cursor_gc (s); | |
2758 | s->stippled_p = 0; | |
2759 | } | |
2760 | else if (s->hl == DRAW_MOUSE_FACE) | |
2761 | { | |
2762 | x_set_mouse_face_gc (s); | |
2763 | s->stippled_p = s->face->stipple != 0; | |
2764 | } | |
2765 | else if (s->hl == DRAW_IMAGE_RAISED | |
2766 | || s->hl == DRAW_IMAGE_SUNKEN) | |
2767 | { | |
2768 | s->gc = s->face->gc; | |
2769 | s->stippled_p = s->face->stipple != 0; | |
2770 | } | |
2771 | else | |
2772 | { | |
2773 | s->gc = s->face->gc; | |
2774 | s->stippled_p = s->face->stipple != 0; | |
2775 | } | |
2776 | ||
2777 | /* GC must have been set. */ | |
2778 | xassert (s->gc != 0); | |
2779 | } | |
2780 | ||
2781 | ||
2782 | /* Return in *R the clipping rectangle for glyph string S. */ | |
2783 | ||
2784 | static void | |
2785 | x_get_glyph_string_clip_rect (s, r) | |
2786 | struct glyph_string *s; | |
2787 | XRectangle *r; | |
2788 | { | |
2789 | if (s->row->full_width_p) | |
2790 | { | |
2791 | /* Draw full-width. X coordinates are relative to S->w->left. */ | |
1da3fd71 GM |
2792 | int canon_x = CANON_X_UNIT (s->f); |
2793 | ||
2794 | r->x = WINDOW_LEFT_MARGIN (s->w) * canon_x; | |
2795 | r->width = XFASTINT (s->w->width) * canon_x; | |
06a2c219 GM |
2796 | |
2797 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (s->f)) | |
2798 | { | |
1da3fd71 | 2799 | int width = FRAME_SCROLL_BAR_WIDTH (s->f) * canon_x; |
06a2c219 GM |
2800 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (s->f)) |
2801 | r->x -= width; | |
2802 | } | |
2803 | ||
b9432a85 | 2804 | r->x += FRAME_INTERNAL_BORDER_WIDTH (s->f); |
1da3fd71 | 2805 | |
06a2c219 GM |
2806 | /* Unless displaying a mode or menu bar line, which are always |
2807 | fully visible, clip to the visible part of the row. */ | |
2808 | if (s->w->pseudo_window_p) | |
2809 | r->height = s->row->visible_height; | |
2810 | else | |
2811 | r->height = s->height; | |
2812 | } | |
2813 | else | |
2814 | { | |
2815 | /* This is a text line that may be partially visible. */ | |
2816 | r->x = WINDOW_AREA_TO_FRAME_PIXEL_X (s->w, s->area, 0); | |
2817 | r->width = window_box_width (s->w, s->area); | |
2818 | r->height = s->row->visible_height; | |
2819 | } | |
2820 | ||
66ac4b0e GM |
2821 | /* If S draws overlapping rows, it's sufficient to use the top and |
2822 | bottom of the window for clipping because this glyph string | |
2823 | intentionally draws over other lines. */ | |
2824 | if (s->for_overlaps_p) | |
2825 | { | |
045dee35 | 2826 | r->y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w); |
66ac4b0e GM |
2827 | r->height = window_text_bottom_y (s->w) - r->y; |
2828 | } | |
98b8a90f GM |
2829 | else |
2830 | { | |
2831 | /* Don't use S->y for clipping because it doesn't take partially | |
2832 | visible lines into account. For example, it can be negative for | |
2833 | partially visible lines at the top of a window. */ | |
2834 | if (!s->row->full_width_p | |
2835 | && MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P (s->w, s->row)) | |
2836 | r->y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w); | |
2837 | else | |
2838 | r->y = max (0, s->row->y); | |
2839 | ||
2840 | /* If drawing a tool-bar window, draw it over the internal border | |
2841 | at the top of the window. */ | |
2842 | if (s->w == XWINDOW (s->f->tool_bar_window)) | |
2843 | r->y -= s->f->output_data.x->internal_border_width; | |
2844 | } | |
2845 | ||
66ac4b0e | 2846 | r->y = WINDOW_TO_FRAME_PIXEL_Y (s->w, r->y); |
06a2c219 GM |
2847 | } |
2848 | ||
2849 | ||
2850 | /* Set clipping for output of glyph string S. S may be part of a mode | |
2851 | line or menu if we don't have X toolkit support. */ | |
2852 | ||
2853 | static INLINE void | |
2854 | x_set_glyph_string_clipping (s) | |
2855 | struct glyph_string *s; | |
2856 | { | |
2857 | XRectangle r; | |
2858 | x_get_glyph_string_clip_rect (s, &r); | |
2859 | XSetClipRectangles (s->display, s->gc, 0, 0, &r, 1, Unsorted); | |
2860 | } | |
2861 | ||
2862 | ||
2863 | /* Compute left and right overhang of glyph string S. If S is a glyph | |
b4192550 | 2864 | string for a composition, assume overhangs don't exist. */ |
06a2c219 GM |
2865 | |
2866 | static INLINE void | |
2867 | x_compute_glyph_string_overhangs (s) | |
2868 | struct glyph_string *s; | |
2869 | { | |
b4192550 | 2870 | if (s->cmp == NULL |
06a2c219 GM |
2871 | && s->first_glyph->type == CHAR_GLYPH) |
2872 | { | |
2873 | XCharStruct cs; | |
2874 | int direction, font_ascent, font_descent; | |
2875 | XTextExtents16 (s->font, s->char2b, s->nchars, &direction, | |
2876 | &font_ascent, &font_descent, &cs); | |
2877 | s->right_overhang = cs.rbearing > cs.width ? cs.rbearing - cs.width : 0; | |
2878 | s->left_overhang = cs.lbearing < 0 ? -cs.lbearing : 0; | |
2879 | } | |
2880 | } | |
2881 | ||
2882 | ||
2883 | /* Compute overhangs and x-positions for glyph string S and its | |
2884 | predecessors, or successors. X is the starting x-position for S. | |
2885 | BACKWARD_P non-zero means process predecessors. */ | |
2886 | ||
2887 | static void | |
2888 | x_compute_overhangs_and_x (s, x, backward_p) | |
2889 | struct glyph_string *s; | |
2890 | int x; | |
2891 | int backward_p; | |
2892 | { | |
2893 | if (backward_p) | |
2894 | { | |
2895 | while (s) | |
2896 | { | |
2897 | x_compute_glyph_string_overhangs (s); | |
2898 | x -= s->width; | |
2899 | s->x = x; | |
2900 | s = s->prev; | |
2901 | } | |
2902 | } | |
2903 | else | |
2904 | { | |
2905 | while (s) | |
2906 | { | |
2907 | x_compute_glyph_string_overhangs (s); | |
2908 | s->x = x; | |
2909 | x += s->width; | |
2910 | s = s->next; | |
2911 | } | |
2912 | } | |
2913 | } | |
2914 | ||
2915 | ||
2916 | /* Set *LEFT and *RIGHT to the left and right overhang of GLYPH on | |
b4192550 KH |
2917 | frame F. Overhangs of glyphs other than type CHAR_GLYPH are |
2918 | assumed to be zero. */ | |
06a2c219 GM |
2919 | |
2920 | static void | |
2921 | x_get_glyph_overhangs (glyph, f, left, right) | |
2922 | struct glyph *glyph; | |
2923 | struct frame *f; | |
2924 | int *left, *right; | |
2925 | { | |
06a2c219 GM |
2926 | *left = *right = 0; |
2927 | ||
b4192550 | 2928 | if (glyph->type == CHAR_GLYPH) |
06a2c219 GM |
2929 | { |
2930 | XFontStruct *font; | |
2931 | struct face *face; | |
2932 | struct font_info *font_info; | |
2933 | XChar2b char2b; | |
ee569018 KH |
2934 | XCharStruct *pcm; |
2935 | ||
2936 | face = x_get_glyph_face_and_encoding (f, glyph, &char2b, NULL); | |
06a2c219 GM |
2937 | font = face->font; |
2938 | font_info = FONT_INFO_FROM_ID (f, face->font_info_id); | |
ee569018 KH |
2939 | if (font |
2940 | && (pcm = x_per_char_metric (font, &char2b))) | |
06a2c219 | 2941 | { |
06a2c219 GM |
2942 | if (pcm->rbearing > pcm->width) |
2943 | *right = pcm->rbearing - pcm->width; | |
2944 | if (pcm->lbearing < 0) | |
2945 | *left = -pcm->lbearing; | |
2946 | } | |
2947 | } | |
2948 | } | |
2949 | ||
2950 | ||
2951 | /* Return the index of the first glyph preceding glyph string S that | |
2952 | is overwritten by S because of S's left overhang. Value is -1 | |
2953 | if no glyphs are overwritten. */ | |
2954 | ||
2955 | static int | |
2956 | x_left_overwritten (s) | |
2957 | struct glyph_string *s; | |
2958 | { | |
2959 | int k; | |
2960 | ||
2961 | if (s->left_overhang) | |
2962 | { | |
2963 | int x = 0, i; | |
2964 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
2965 | int first = s->first_glyph - glyphs; | |
2966 | ||
2967 | for (i = first - 1; i >= 0 && x > -s->left_overhang; --i) | |
2968 | x -= glyphs[i].pixel_width; | |
2969 | ||
2970 | k = i + 1; | |
2971 | } | |
2972 | else | |
2973 | k = -1; | |
2974 | ||
2975 | return k; | |
2976 | } | |
2977 | ||
2978 | ||
2979 | /* Return the index of the first glyph preceding glyph string S that | |
2980 | is overwriting S because of its right overhang. Value is -1 if no | |
2981 | glyph in front of S overwrites S. */ | |
2982 | ||
2983 | static int | |
2984 | x_left_overwriting (s) | |
2985 | struct glyph_string *s; | |
2986 | { | |
2987 | int i, k, x; | |
2988 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
2989 | int first = s->first_glyph - glyphs; | |
2990 | ||
2991 | k = -1; | |
2992 | x = 0; | |
2993 | for (i = first - 1; i >= 0; --i) | |
2994 | { | |
2995 | int left, right; | |
2996 | x_get_glyph_overhangs (glyphs + i, s->f, &left, &right); | |
2997 | if (x + right > 0) | |
2998 | k = i; | |
2999 | x -= glyphs[i].pixel_width; | |
3000 | } | |
3001 | ||
3002 | return k; | |
3003 | } | |
3004 | ||
3005 | ||
3006 | /* Return the index of the last glyph following glyph string S that is | |
3007 | not overwritten by S because of S's right overhang. Value is -1 if | |
3008 | no such glyph is found. */ | |
3009 | ||
3010 | static int | |
3011 | x_right_overwritten (s) | |
3012 | struct glyph_string *s; | |
3013 | { | |
3014 | int k = -1; | |
3015 | ||
3016 | if (s->right_overhang) | |
3017 | { | |
3018 | int x = 0, i; | |
3019 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
b4192550 | 3020 | int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars); |
06a2c219 GM |
3021 | int end = s->row->used[s->area]; |
3022 | ||
3023 | for (i = first; i < end && s->right_overhang > x; ++i) | |
3024 | x += glyphs[i].pixel_width; | |
3025 | ||
3026 | k = i; | |
3027 | } | |
3028 | ||
3029 | return k; | |
3030 | } | |
3031 | ||
3032 | ||
3033 | /* Return the index of the last glyph following glyph string S that | |
3034 | overwrites S because of its left overhang. Value is negative | |
3035 | if no such glyph is found. */ | |
3036 | ||
3037 | static int | |
3038 | x_right_overwriting (s) | |
3039 | struct glyph_string *s; | |
3040 | { | |
3041 | int i, k, x; | |
3042 | int end = s->row->used[s->area]; | |
3043 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
b4192550 | 3044 | int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars); |
06a2c219 GM |
3045 | |
3046 | k = -1; | |
3047 | x = 0; | |
3048 | for (i = first; i < end; ++i) | |
3049 | { | |
3050 | int left, right; | |
3051 | x_get_glyph_overhangs (glyphs + i, s->f, &left, &right); | |
3052 | if (x - left < 0) | |
3053 | k = i; | |
3054 | x += glyphs[i].pixel_width; | |
3055 | } | |
3056 | ||
3057 | return k; | |
3058 | } | |
3059 | ||
3060 | ||
3061 | /* Fill rectangle X, Y, W, H with background color of glyph string S. */ | |
3062 | ||
3063 | static INLINE void | |
3064 | x_clear_glyph_string_rect (s, x, y, w, h) | |
3065 | struct glyph_string *s; | |
3066 | int x, y, w, h; | |
3067 | { | |
3068 | XGCValues xgcv; | |
3069 | XGetGCValues (s->display, s->gc, GCForeground | GCBackground, &xgcv); | |
3070 | XSetForeground (s->display, s->gc, xgcv.background); | |
3071 | XFillRectangle (s->display, s->window, s->gc, x, y, w, h); | |
3072 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
3073 | } | |
3074 | ||
3075 | ||
3076 | /* Draw the background of glyph_string S. If S->background_filled_p | |
3077 | is non-zero don't draw it. FORCE_P non-zero means draw the | |
3078 | background even if it wouldn't be drawn normally. This is used | |
b4192550 KH |
3079 | when a string preceding S draws into the background of S, or S |
3080 | contains the first component of a composition. */ | |
06a2c219 GM |
3081 | |
3082 | static void | |
3083 | x_draw_glyph_string_background (s, force_p) | |
3084 | struct glyph_string *s; | |
3085 | int force_p; | |
3086 | { | |
3087 | /* Nothing to do if background has already been drawn or if it | |
3088 | shouldn't be drawn in the first place. */ | |
3089 | if (!s->background_filled_p) | |
3090 | { | |
ea2ba0d4 KH |
3091 | int box_line_width = max (s->face->box_line_width, 0); |
3092 | ||
b4192550 | 3093 | if (s->stippled_p) |
06a2c219 GM |
3094 | { |
3095 | /* Fill background with a stipple pattern. */ | |
3096 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
3097 | XFillRectangle (s->display, s->window, s->gc, s->x, | |
ea2ba0d4 | 3098 | s->y + box_line_width, |
06a2c219 | 3099 | s->background_width, |
ea2ba0d4 | 3100 | s->height - 2 * box_line_width); |
06a2c219 GM |
3101 | XSetFillStyle (s->display, s->gc, FillSolid); |
3102 | s->background_filled_p = 1; | |
3103 | } | |
ea2ba0d4 | 3104 | else if (FONT_HEIGHT (s->font) < s->height - 2 * box_line_width |
06a2c219 GM |
3105 | || s->font_not_found_p |
3106 | || s->extends_to_end_of_line_p | |
06a2c219 GM |
3107 | || force_p) |
3108 | { | |
ea2ba0d4 | 3109 | x_clear_glyph_string_rect (s, s->x, s->y + box_line_width, |
06a2c219 | 3110 | s->background_width, |
ea2ba0d4 | 3111 | s->height - 2 * box_line_width); |
06a2c219 GM |
3112 | s->background_filled_p = 1; |
3113 | } | |
3114 | } | |
3115 | } | |
3116 | ||
3117 | ||
3118 | /* Draw the foreground of glyph string S. */ | |
3119 | ||
3120 | static void | |
3121 | x_draw_glyph_string_foreground (s) | |
3122 | struct glyph_string *s; | |
3123 | { | |
3124 | int i, x; | |
3125 | ||
3126 | /* If first glyph of S has a left box line, start drawing the text | |
3127 | of S to the right of that box line. */ | |
3128 | if (s->face->box != FACE_NO_BOX | |
3129 | && s->first_glyph->left_box_line_p) | |
ea2ba0d4 | 3130 | x = s->x + abs (s->face->box_line_width); |
06a2c219 GM |
3131 | else |
3132 | x = s->x; | |
3133 | ||
b4192550 KH |
3134 | /* Draw characters of S as rectangles if S's font could not be |
3135 | loaded. */ | |
3136 | if (s->font_not_found_p) | |
06a2c219 | 3137 | { |
b4192550 | 3138 | for (i = 0; i < s->nchars; ++i) |
06a2c219 | 3139 | { |
b4192550 KH |
3140 | struct glyph *g = s->first_glyph + i; |
3141 | XDrawRectangle (s->display, s->window, | |
3142 | s->gc, x, s->y, g->pixel_width - 1, | |
3143 | s->height - 1); | |
3144 | x += g->pixel_width; | |
06a2c219 GM |
3145 | } |
3146 | } | |
3147 | else | |
3148 | { | |
b4192550 KH |
3149 | char *char1b = (char *) s->char2b; |
3150 | int boff = s->font_info->baseline_offset; | |
06a2c219 | 3151 | |
b4192550 KH |
3152 | if (s->font_info->vertical_centering) |
3153 | boff = VCENTER_BASELINE_OFFSET (s->font, s->f) - boff; | |
3154 | ||
3155 | /* If we can use 8-bit functions, condense S->char2b. */ | |
3156 | if (!s->two_byte_p) | |
3157 | for (i = 0; i < s->nchars; ++i) | |
3158 | char1b[i] = s->char2b[i].byte2; | |
3159 | ||
3160 | /* Draw text with XDrawString if background has already been | |
3161 | filled. Otherwise, use XDrawImageString. (Note that | |
3162 | XDrawImageString is usually faster than XDrawString.) Always | |
3163 | use XDrawImageString when drawing the cursor so that there is | |
3164 | no chance that characters under a box cursor are invisible. */ | |
3165 | if (s->for_overlaps_p | |
3166 | || (s->background_filled_p && s->hl != DRAW_CURSOR)) | |
3167 | { | |
3168 | /* Draw characters with 16-bit or 8-bit functions. */ | |
3169 | if (s->two_byte_p) | |
3170 | XDrawString16 (s->display, s->window, s->gc, x, | |
3171 | s->ybase - boff, s->char2b, s->nchars); | |
3172 | else | |
3173 | XDrawString (s->display, s->window, s->gc, x, | |
3174 | s->ybase - boff, char1b, s->nchars); | |
3175 | } | |
06a2c219 GM |
3176 | else |
3177 | { | |
b4192550 KH |
3178 | if (s->two_byte_p) |
3179 | XDrawImageString16 (s->display, s->window, s->gc, x, | |
3180 | s->ybase - boff, s->char2b, s->nchars); | |
06a2c219 | 3181 | else |
b4192550 KH |
3182 | XDrawImageString (s->display, s->window, s->gc, x, |
3183 | s->ybase - boff, char1b, s->nchars); | |
3184 | } | |
3185 | } | |
3186 | } | |
06a2c219 | 3187 | |
b4192550 | 3188 | /* Draw the foreground of composite glyph string S. */ |
06a2c219 | 3189 | |
b4192550 KH |
3190 | static void |
3191 | x_draw_composite_glyph_string_foreground (s) | |
3192 | struct glyph_string *s; | |
3193 | { | |
3194 | int i, x; | |
06a2c219 | 3195 | |
b4192550 KH |
3196 | /* If first glyph of S has a left box line, start drawing the text |
3197 | of S to the right of that box line. */ | |
3198 | if (s->face->box != FACE_NO_BOX | |
3199 | && s->first_glyph->left_box_line_p) | |
ea2ba0d4 | 3200 | x = s->x + abs (s->face->box_line_width); |
b4192550 KH |
3201 | else |
3202 | x = s->x; | |
06a2c219 | 3203 | |
b4192550 KH |
3204 | /* S is a glyph string for a composition. S->gidx is the index of |
3205 | the first character drawn for glyphs of this composition. | |
3206 | S->gidx == 0 means we are drawing the very first character of | |
3207 | this composition. */ | |
06a2c219 | 3208 | |
b4192550 KH |
3209 | /* Draw a rectangle for the composition if the font for the very |
3210 | first character of the composition could not be loaded. */ | |
3211 | if (s->font_not_found_p) | |
3212 | { | |
3213 | if (s->gidx == 0) | |
3214 | XDrawRectangle (s->display, s->window, s->gc, x, s->y, | |
3215 | s->width - 1, s->height - 1); | |
3216 | } | |
3217 | else | |
3218 | { | |
3219 | for (i = 0; i < s->nchars; i++, ++s->gidx) | |
3220 | XDrawString16 (s->display, s->window, s->gc, | |
3221 | x + s->cmp->offsets[s->gidx * 2], | |
3222 | s->ybase - s->cmp->offsets[s->gidx * 2 + 1], | |
3223 | s->char2b + i, 1); | |
06a2c219 GM |
3224 | } |
3225 | } | |
3226 | ||
3227 | ||
80c32bcc GM |
3228 | #ifdef USE_X_TOOLKIT |
3229 | ||
3e71d8f2 | 3230 | static struct frame *x_frame_of_widget P_ ((Widget)); |
651f03b6 GM |
3231 | static Boolean cvt_string_to_pixel P_ ((Display *, XrmValue *, Cardinal *, |
3232 | XrmValue *, XrmValue *, XtPointer *)); | |
3233 | static void cvt_pixel_dtor P_ ((XtAppContext, XrmValue *, XtPointer, | |
3234 | XrmValue *, Cardinal *)); | |
80c32bcc | 3235 | |
3e71d8f2 GM |
3236 | |
3237 | /* Return the frame on which widget WIDGET is used.. Abort if frame | |
3238 | cannot be determined. */ | |
3239 | ||
e851c833 | 3240 | static struct frame * |
3e71d8f2 | 3241 | x_frame_of_widget (widget) |
80c32bcc | 3242 | Widget widget; |
80c32bcc | 3243 | { |
80c32bcc | 3244 | struct x_display_info *dpyinfo; |
5c187dee | 3245 | Lisp_Object tail; |
3e71d8f2 GM |
3246 | struct frame *f; |
3247 | ||
80c32bcc GM |
3248 | dpyinfo = x_display_info_for_display (XtDisplay (widget)); |
3249 | ||
3250 | /* Find the top-level shell of the widget. Note that this function | |
3251 | can be called when the widget is not yet realized, so XtWindow | |
3252 | (widget) == 0. That's the reason we can't simply use | |
3253 | x_any_window_to_frame. */ | |
3254 | while (!XtIsTopLevelShell (widget)) | |
3255 | widget = XtParent (widget); | |
3256 | ||
3257 | /* Look for a frame with that top-level widget. Allocate the color | |
3258 | on that frame to get the right gamma correction value. */ | |
3259 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) | |
3260 | if (GC_FRAMEP (XCAR (tail)) | |
3261 | && (f = XFRAME (XCAR (tail)), | |
3262 | (f->output_data.nothing != 1 | |
3263 | && FRAME_X_DISPLAY_INFO (f) == dpyinfo)) | |
3264 | && f->output_data.x->widget == widget) | |
3e71d8f2 | 3265 | return f; |
80c32bcc GM |
3266 | |
3267 | abort (); | |
3268 | } | |
3269 | ||
3e71d8f2 GM |
3270 | |
3271 | /* Allocate the color COLOR->pixel on the screen and display of | |
3272 | widget WIDGET in colormap CMAP. If an exact match cannot be | |
3273 | allocated, try the nearest color available. Value is non-zero | |
3274 | if successful. This is called from lwlib. */ | |
3275 | ||
3276 | int | |
3277 | x_alloc_nearest_color_for_widget (widget, cmap, color) | |
3278 | Widget widget; | |
3279 | Colormap cmap; | |
3280 | XColor *color; | |
3281 | { | |
3282 | struct frame *f = x_frame_of_widget (widget); | |
3283 | return x_alloc_nearest_color (f, cmap, color); | |
3284 | } | |
3285 | ||
3286 | ||
46d516e5 MB |
3287 | /* Allocate a color which is lighter or darker than *PIXEL by FACTOR |
3288 | or DELTA. Try a color with RGB values multiplied by FACTOR first. | |
3289 | If this produces the same color as PIXEL, try a color where all RGB | |
3290 | values have DELTA added. Return the allocated color in *PIXEL. | |
3291 | DISPLAY is the X display, CMAP is the colormap to operate on. | |
3292 | Value is non-zero if successful. */ | |
3293 | ||
3294 | int | |
3295 | x_alloc_lighter_color_for_widget (widget, display, cmap, pixel, factor, delta) | |
3296 | Widget widget; | |
3297 | Display *display; | |
3298 | Colormap cmap; | |
3299 | unsigned long *pixel; | |
3300 | double factor; | |
3301 | int delta; | |
3302 | { | |
3303 | struct frame *f = x_frame_of_widget (widget); | |
3304 | return x_alloc_lighter_color (f, display, cmap, pixel, factor, delta); | |
3305 | } | |
3306 | ||
3307 | ||
651f03b6 GM |
3308 | /* Structure specifying which arguments should be passed by Xt to |
3309 | cvt_string_to_pixel. We want the widget's screen and colormap. */ | |
3310 | ||
3311 | static XtConvertArgRec cvt_string_to_pixel_args[] = | |
3312 | { | |
3313 | {XtWidgetBaseOffset, (XtPointer) XtOffset (Widget, core.screen), | |
3314 | sizeof (Screen *)}, | |
3315 | {XtWidgetBaseOffset, (XtPointer) XtOffset (Widget, core.colormap), | |
3316 | sizeof (Colormap)} | |
3317 | }; | |
3318 | ||
3319 | ||
3320 | /* The address of this variable is returned by | |
3321 | cvt_string_to_pixel. */ | |
3322 | ||
3323 | static Pixel cvt_string_to_pixel_value; | |
3324 | ||
3325 | ||
3326 | /* Convert a color name to a pixel color. | |
3327 | ||
3328 | DPY is the display we are working on. | |
3329 | ||
3330 | ARGS is an array of *NARGS XrmValue structures holding additional | |
3331 | information about the widget for which the conversion takes place. | |
3332 | The contents of this array are determined by the specification | |
3333 | in cvt_string_to_pixel_args. | |
3334 | ||
3335 | FROM is a pointer to an XrmValue which points to the color name to | |
3336 | convert. TO is an XrmValue in which to return the pixel color. | |
3337 | ||
3338 | CLOSURE_RET is a pointer to user-data, in which we record if | |
3339 | we allocated the color or not. | |
3340 | ||
3341 | Value is True if successful, False otherwise. */ | |
3342 | ||
3343 | static Boolean | |
3344 | cvt_string_to_pixel (dpy, args, nargs, from, to, closure_ret) | |
3345 | Display *dpy; | |
3346 | XrmValue *args; | |
3347 | Cardinal *nargs; | |
3348 | XrmValue *from, *to; | |
3349 | XtPointer *closure_ret; | |
3350 | { | |
3351 | Screen *screen; | |
3352 | Colormap cmap; | |
3353 | Pixel pixel; | |
3354 | String color_name; | |
3355 | XColor color; | |
3356 | ||
3357 | if (*nargs != 2) | |
3358 | { | |
3359 | XtAppWarningMsg (XtDisplayToApplicationContext (dpy), | |
3360 | "wrongParameters", "cvt_string_to_pixel", | |
3361 | "XtToolkitError", | |
3362 | "Screen and colormap args required", NULL, NULL); | |
3363 | return False; | |
3364 | } | |
3365 | ||
3366 | screen = *(Screen **) args[0].addr; | |
3367 | cmap = *(Colormap *) args[1].addr; | |
3368 | color_name = (String) from->addr; | |
3369 | ||
3370 | if (strcmp (color_name, XtDefaultBackground) == 0) | |
3371 | { | |
3372 | *closure_ret = (XtPointer) False; | |
3373 | pixel = WhitePixelOfScreen (screen); | |
3374 | } | |
3375 | else if (strcmp (color_name, XtDefaultForeground) == 0) | |
3376 | { | |
3377 | *closure_ret = (XtPointer) False; | |
3378 | pixel = BlackPixelOfScreen (screen); | |
3379 | } | |
3380 | else if (XParseColor (dpy, cmap, color_name, &color) | |
3381 | && x_alloc_nearest_color_1 (dpy, cmap, &color)) | |
3382 | { | |
3383 | pixel = color.pixel; | |
3384 | *closure_ret = (XtPointer) True; | |
3385 | } | |
3386 | else | |
3387 | { | |
3388 | String params[1]; | |
3389 | Cardinal nparams = 1; | |
3390 | ||
3391 | params[0] = color_name; | |
3392 | XtAppWarningMsg (XtDisplayToApplicationContext (dpy), | |
3393 | "badValue", "cvt_string_to_pixel", | |
3394 | "XtToolkitError", "Invalid color `%s'", | |
3395 | params, &nparams); | |
3396 | return False; | |
3397 | } | |
3398 | ||
3399 | if (to->addr != NULL) | |
3400 | { | |
3401 | if (to->size < sizeof (Pixel)) | |
3402 | { | |
3403 | to->size = sizeof (Pixel); | |
3404 | return False; | |
3405 | } | |
3406 | ||
3407 | *(Pixel *) to->addr = pixel; | |
3408 | } | |
3409 | else | |
3410 | { | |
3411 | cvt_string_to_pixel_value = pixel; | |
3412 | to->addr = (XtPointer) &cvt_string_to_pixel_value; | |
3413 | } | |
3414 | ||
3415 | to->size = sizeof (Pixel); | |
3416 | return True; | |
3417 | } | |
3418 | ||
3419 | ||
3420 | /* Free a pixel color which was previously allocated via | |
3421 | cvt_string_to_pixel. This is registered as the destructor | |
3422 | for this type of resource via XtSetTypeConverter. | |
3423 | ||
3424 | APP is the application context in which we work. | |
3425 | ||
3426 | TO is a pointer to an XrmValue holding the color to free. | |
3427 | CLOSURE is the value we stored in CLOSURE_RET for this color | |
3428 | in cvt_string_to_pixel. | |
3429 | ||
3430 | ARGS and NARGS are like for cvt_string_to_pixel. */ | |
3431 | ||
3432 | static void | |
3433 | cvt_pixel_dtor (app, to, closure, args, nargs) | |
3434 | XtAppContext app; | |
3435 | XrmValuePtr to; | |
3436 | XtPointer closure; | |
3437 | XrmValuePtr args; | |
3438 | Cardinal *nargs; | |
3439 | { | |
3440 | if (*nargs != 2) | |
3441 | { | |
3442 | XtAppWarningMsg (app, "wrongParameters", "cvt_pixel_dtor", | |
3443 | "XtToolkitError", | |
3444 | "Screen and colormap arguments required", | |
3445 | NULL, NULL); | |
3446 | } | |
3447 | else if (closure != NULL) | |
3448 | { | |
3449 | /* We did allocate the pixel, so free it. */ | |
3450 | Screen *screen = *(Screen **) args[0].addr; | |
3451 | Colormap cmap = *(Colormap *) args[1].addr; | |
3452 | x_free_dpy_colors (DisplayOfScreen (screen), screen, cmap, | |
97762eb7 | 3453 | (Pixel *) to->addr, 1); |
651f03b6 GM |
3454 | } |
3455 | } | |
3456 | ||
3457 | ||
80c32bcc GM |
3458 | #endif /* USE_X_TOOLKIT */ |
3459 | ||
3460 | ||
f04e1297 | 3461 | /* Value is an array of XColor structures for the contents of the |
651f03b6 | 3462 | color map of display DPY. Set *NCELLS to the size of the array. |
f04e1297 GM |
3463 | Note that this probably shouldn't be called for large color maps, |
3464 | say a 24-bit TrueColor map. */ | |
3465 | ||
3466 | static const XColor * | |
651f03b6 GM |
3467 | x_color_cells (dpy, ncells) |
3468 | Display *dpy; | |
f04e1297 GM |
3469 | int *ncells; |
3470 | { | |
651f03b6 | 3471 | struct x_display_info *dpyinfo = x_display_info_for_display (dpy); |
f04e1297 GM |
3472 | |
3473 | if (dpyinfo->color_cells == NULL) | |
3474 | { | |
651f03b6 | 3475 | Screen *screen = dpyinfo->screen; |
f04e1297 GM |
3476 | int i; |
3477 | ||
3478 | dpyinfo->ncolor_cells | |
651f03b6 | 3479 | = XDisplayCells (dpy, XScreenNumberOfScreen (screen)); |
f04e1297 GM |
3480 | dpyinfo->color_cells |
3481 | = (XColor *) xmalloc (dpyinfo->ncolor_cells | |
3482 | * sizeof *dpyinfo->color_cells); | |
3483 | ||
3484 | for (i = 0; i < dpyinfo->ncolor_cells; ++i) | |
3485 | dpyinfo->color_cells[i].pixel = i; | |
3486 | ||
651f03b6 | 3487 | XQueryColors (dpy, dpyinfo->cmap, |
f04e1297 GM |
3488 | dpyinfo->color_cells, dpyinfo->ncolor_cells); |
3489 | } | |
3490 | ||
3491 | *ncells = dpyinfo->ncolor_cells; | |
3492 | return dpyinfo->color_cells; | |
3493 | } | |
3494 | ||
3495 | ||
3496 | /* On frame F, translate pixel colors to RGB values for the NCOLORS | |
3497 | colors in COLORS. Use cached information, if available. */ | |
3498 | ||
3499 | void | |
3500 | x_query_colors (f, colors, ncolors) | |
3501 | struct frame *f; | |
3502 | XColor *colors; | |
3503 | int ncolors; | |
3504 | { | |
3505 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
3506 | ||
3507 | if (dpyinfo->color_cells) | |
3508 | { | |
3509 | int i; | |
3510 | for (i = 0; i < ncolors; ++i) | |
3511 | { | |
3512 | unsigned long pixel = colors[i].pixel; | |
3513 | xassert (pixel < dpyinfo->ncolor_cells); | |
3514 | xassert (dpyinfo->color_cells[pixel].pixel == pixel); | |
3515 | colors[i] = dpyinfo->color_cells[pixel]; | |
3516 | } | |
3517 | } | |
3518 | else | |
3519 | XQueryColors (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), colors, ncolors); | |
3520 | } | |
3521 | ||
3522 | ||
3523 | /* On frame F, translate pixel color to RGB values for the color in | |
3524 | COLOR. Use cached information, if available. */ | |
3525 | ||
3526 | void | |
3527 | x_query_color (f, color) | |
3528 | struct frame *f; | |
3529 | XColor *color; | |
3530 | { | |
3531 | x_query_colors (f, color, 1); | |
3532 | } | |
3533 | ||
3534 | ||
651f03b6 GM |
3535 | /* Allocate the color COLOR->pixel on DISPLAY, colormap CMAP. If an |
3536 | exact match can't be allocated, try the nearest color available. | |
3537 | Value is non-zero if successful. Set *COLOR to the color | |
3538 | allocated. */ | |
06a2c219 | 3539 | |
651f03b6 GM |
3540 | static int |
3541 | x_alloc_nearest_color_1 (dpy, cmap, color) | |
3542 | Display *dpy; | |
06a2c219 GM |
3543 | Colormap cmap; |
3544 | XColor *color; | |
3545 | { | |
80c32bcc GM |
3546 | int rc; |
3547 | ||
651f03b6 | 3548 | rc = XAllocColor (dpy, cmap, color); |
06a2c219 GM |
3549 | if (rc == 0) |
3550 | { | |
3551 | /* If we got to this point, the colormap is full, so we're going | |
3552 | to try to get the next closest color. The algorithm used is | |
3553 | a least-squares matching, which is what X uses for closest | |
3554 | color matching with StaticColor visuals. */ | |
3555 | int nearest, i; | |
3556 | unsigned long nearest_delta = ~0; | |
f04e1297 | 3557 | int ncells; |
651f03b6 | 3558 | const XColor *cells = x_color_cells (dpy, &ncells); |
06a2c219 GM |
3559 | |
3560 | for (nearest = i = 0; i < ncells; ++i) | |
3561 | { | |
3562 | long dred = (color->red >> 8) - (cells[i].red >> 8); | |
3563 | long dgreen = (color->green >> 8) - (cells[i].green >> 8); | |
3564 | long dblue = (color->blue >> 8) - (cells[i].blue >> 8); | |
3565 | unsigned long delta = dred * dred + dgreen * dgreen + dblue * dblue; | |
3566 | ||
3567 | if (delta < nearest_delta) | |
3568 | { | |
3569 | nearest = i; | |
3570 | nearest_delta = delta; | |
3571 | } | |
3572 | } | |
3573 | ||
3574 | color->red = cells[nearest].red; | |
3575 | color->green = cells[nearest].green; | |
3576 | color->blue = cells[nearest].blue; | |
651f03b6 | 3577 | rc = XAllocColor (dpy, cmap, color); |
06a2c219 | 3578 | } |
35efe0a1 GM |
3579 | else |
3580 | { | |
3581 | /* If allocation succeeded, and the allocated pixel color is not | |
3582 | equal to a cached pixel color recorded earlier, there was a | |
3583 | change in the colormap, so clear the color cache. */ | |
651f03b6 | 3584 | struct x_display_info *dpyinfo = x_display_info_for_display (dpy); |
35efe0a1 GM |
3585 | XColor *cached_color; |
3586 | ||
3587 | if (dpyinfo->color_cells | |
3588 | && (cached_color = &dpyinfo->color_cells[color->pixel], | |
cae71efe GM |
3589 | (cached_color->red != color->red |
3590 | || cached_color->blue != color->blue | |
3591 | || cached_color->green != color->green))) | |
35efe0a1 GM |
3592 | { |
3593 | xfree (dpyinfo->color_cells); | |
3594 | dpyinfo->color_cells = NULL; | |
3595 | dpyinfo->ncolor_cells = 0; | |
3596 | } | |
3597 | } | |
06a2c219 | 3598 | |
d9c545da GM |
3599 | #ifdef DEBUG_X_COLORS |
3600 | if (rc) | |
3601 | register_color (color->pixel); | |
3602 | #endif /* DEBUG_X_COLORS */ | |
3603 | ||
06a2c219 GM |
3604 | return rc; |
3605 | } | |
3606 | ||
3607 | ||
651f03b6 GM |
3608 | /* Allocate the color COLOR->pixel on frame F, colormap CMAP. If an |
3609 | exact match can't be allocated, try the nearest color available. | |
3610 | Value is non-zero if successful. Set *COLOR to the color | |
3611 | allocated. */ | |
3612 | ||
3613 | int | |
3614 | x_alloc_nearest_color (f, cmap, color) | |
3615 | struct frame *f; | |
3616 | Colormap cmap; | |
3617 | XColor *color; | |
3618 | { | |
3619 | gamma_correct (f, color); | |
3620 | return x_alloc_nearest_color_1 (FRAME_X_DISPLAY (f), cmap, color); | |
3621 | } | |
3622 | ||
3623 | ||
d9c545da GM |
3624 | /* Allocate color PIXEL on frame F. PIXEL must already be allocated. |
3625 | It's necessary to do this instead of just using PIXEL directly to | |
3626 | get color reference counts right. */ | |
3627 | ||
3628 | unsigned long | |
3629 | x_copy_color (f, pixel) | |
3630 | struct frame *f; | |
3631 | unsigned long pixel; | |
3632 | { | |
3633 | XColor color; | |
3634 | ||
3635 | color.pixel = pixel; | |
3636 | BLOCK_INPUT; | |
f04e1297 | 3637 | x_query_color (f, &color); |
d9c545da GM |
3638 | XAllocColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), &color); |
3639 | UNBLOCK_INPUT; | |
3640 | #ifdef DEBUG_X_COLORS | |
3641 | register_color (pixel); | |
3642 | #endif | |
3643 | return color.pixel; | |
3644 | } | |
3645 | ||
3646 | ||
3e71d8f2 GM |
3647 | /* Allocate color PIXEL on display DPY. PIXEL must already be allocated. |
3648 | It's necessary to do this instead of just using PIXEL directly to | |
3649 | get color reference counts right. */ | |
3650 | ||
3651 | unsigned long | |
3652 | x_copy_dpy_color (dpy, cmap, pixel) | |
3653 | Display *dpy; | |
3654 | Colormap cmap; | |
3655 | unsigned long pixel; | |
3656 | { | |
3657 | XColor color; | |
3658 | ||
3659 | color.pixel = pixel; | |
3660 | BLOCK_INPUT; | |
3661 | XQueryColor (dpy, cmap, &color); | |
3662 | XAllocColor (dpy, cmap, &color); | |
3663 | UNBLOCK_INPUT; | |
3664 | #ifdef DEBUG_X_COLORS | |
3665 | register_color (pixel); | |
3666 | #endif | |
3667 | return color.pixel; | |
3668 | } | |
3669 | ||
3670 | ||
6d8b0acd | 3671 | /* Brightness beyond which a color won't have its highlight brightness |
d7361edf | 3672 | boosted. |
6d8b0acd | 3673 | |
d7361edf MB |
3674 | Nominally, highlight colors for `3d' faces are calculated by |
3675 | brightening an object's color by a constant scale factor, but this | |
3676 | doesn't yield good results for dark colors, so for colors who's | |
3677 | brightness is less than this value (on a scale of 0-65535) have an | |
3678 | use an additional additive factor. | |
6d8b0acd MB |
3679 | |
3680 | The value here is set so that the default menu-bar/mode-line color | |
3681 | (grey75) will not have its highlights changed at all. */ | |
3682 | #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 48000 | |
3683 | ||
3684 | ||
06a2c219 GM |
3685 | /* Allocate a color which is lighter or darker than *PIXEL by FACTOR |
3686 | or DELTA. Try a color with RGB values multiplied by FACTOR first. | |
3687 | If this produces the same color as PIXEL, try a color where all RGB | |
3688 | values have DELTA added. Return the allocated color in *PIXEL. | |
3689 | DISPLAY is the X display, CMAP is the colormap to operate on. | |
3690 | Value is non-zero if successful. */ | |
3691 | ||
3692 | static int | |
3693 | x_alloc_lighter_color (f, display, cmap, pixel, factor, delta) | |
3694 | struct frame *f; | |
3695 | Display *display; | |
3696 | Colormap cmap; | |
3697 | unsigned long *pixel; | |
68c45bf0 | 3698 | double factor; |
06a2c219 GM |
3699 | int delta; |
3700 | { | |
3701 | XColor color, new; | |
6d8b0acd | 3702 | long bright; |
06a2c219 GM |
3703 | int success_p; |
3704 | ||
3705 | /* Get RGB color values. */ | |
3706 | color.pixel = *pixel; | |
f04e1297 | 3707 | x_query_color (f, &color); |
06a2c219 GM |
3708 | |
3709 | /* Change RGB values by specified FACTOR. Avoid overflow! */ | |
3710 | xassert (factor >= 0); | |
3711 | new.red = min (0xffff, factor * color.red); | |
3712 | new.green = min (0xffff, factor * color.green); | |
3713 | new.blue = min (0xffff, factor * color.blue); | |
3714 | ||
d7361edf MB |
3715 | /* Calculate brightness of COLOR. */ |
3716 | bright = (2 * color.red + 3 * color.green + color.blue) / 6; | |
6d8b0acd MB |
3717 | |
3718 | /* We only boost colors that are darker than | |
3719 | HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */ | |
3720 | if (bright < HIGHLIGHT_COLOR_DARK_BOOST_LIMIT) | |
3721 | /* Make an additive adjustment to NEW, because it's dark enough so | |
3722 | that scaling by FACTOR alone isn't enough. */ | |
3723 | { | |
3724 | /* How far below the limit this color is (0 - 1, 1 being darker). */ | |
3725 | double dimness = 1 - (double)bright / HIGHLIGHT_COLOR_DARK_BOOST_LIMIT; | |
3726 | /* The additive adjustment. */ | |
d7361edf | 3727 | int min_delta = delta * dimness * factor / 2; |
6d8b0acd MB |
3728 | |
3729 | if (factor < 1) | |
3730 | { | |
6d8b0acd MB |
3731 | new.red = max (0, new.red - min_delta); |
3732 | new.green = max (0, new.green - min_delta); | |
3733 | new.blue = max (0, new.blue - min_delta); | |
3734 | } | |
3735 | else | |
3736 | { | |
3737 | new.red = min (0xffff, min_delta + new.red); | |
3738 | new.green = min (0xffff, min_delta + new.green); | |
3739 | new.blue = min (0xffff, min_delta + new.blue); | |
3740 | } | |
3741 | } | |
3742 | ||
06a2c219 | 3743 | /* Try to allocate the color. */ |
80c32bcc | 3744 | success_p = x_alloc_nearest_color (f, cmap, &new); |
06a2c219 GM |
3745 | if (success_p) |
3746 | { | |
3747 | if (new.pixel == *pixel) | |
3748 | { | |
3749 | /* If we end up with the same color as before, try adding | |
3750 | delta to the RGB values. */ | |
0d605c67 | 3751 | x_free_colors (f, &new.pixel, 1); |
06a2c219 GM |
3752 | |
3753 | new.red = min (0xffff, delta + color.red); | |
3754 | new.green = min (0xffff, delta + color.green); | |
3755 | new.blue = min (0xffff, delta + color.blue); | |
80c32bcc | 3756 | success_p = x_alloc_nearest_color (f, cmap, &new); |
06a2c219 GM |
3757 | } |
3758 | else | |
3759 | success_p = 1; | |
3760 | *pixel = new.pixel; | |
3761 | } | |
3762 | ||
3763 | return success_p; | |
3764 | } | |
3765 | ||
3766 | ||
3767 | /* Set up the foreground color for drawing relief lines of glyph | |
3768 | string S. RELIEF is a pointer to a struct relief containing the GC | |
3769 | with which lines will be drawn. Use a color that is FACTOR or | |
3770 | DELTA lighter or darker than the relief's background which is found | |
3771 | in S->f->output_data.x->relief_background. If such a color cannot | |
3772 | be allocated, use DEFAULT_PIXEL, instead. */ | |
3773 | ||
3774 | static void | |
3775 | x_setup_relief_color (f, relief, factor, delta, default_pixel) | |
3776 | struct frame *f; | |
3777 | struct relief *relief; | |
68c45bf0 | 3778 | double factor; |
06a2c219 GM |
3779 | int delta; |
3780 | unsigned long default_pixel; | |
3781 | { | |
3782 | XGCValues xgcv; | |
3783 | struct x_output *di = f->output_data.x; | |
3784 | unsigned long mask = GCForeground | GCLineWidth | GCGraphicsExposures; | |
3785 | unsigned long pixel; | |
3786 | unsigned long background = di->relief_background; | |
43bd1b2b | 3787 | Colormap cmap = FRAME_X_COLORMAP (f); |
dcd08bfb GM |
3788 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
3789 | Display *dpy = FRAME_X_DISPLAY (f); | |
06a2c219 GM |
3790 | |
3791 | xgcv.graphics_exposures = False; | |
3792 | xgcv.line_width = 1; | |
3793 | ||
3794 | /* Free previously allocated color. The color cell will be reused | |
3795 | when it has been freed as many times as it was allocated, so this | |
3796 | doesn't affect faces using the same colors. */ | |
3797 | if (relief->gc | |
3798 | && relief->allocated_p) | |
3799 | { | |
0d605c67 | 3800 | x_free_colors (f, &relief->pixel, 1); |
06a2c219 GM |
3801 | relief->allocated_p = 0; |
3802 | } | |
3803 | ||
3804 | /* Allocate new color. */ | |
3805 | xgcv.foreground = default_pixel; | |
3806 | pixel = background; | |
dcd08bfb GM |
3807 | if (dpyinfo->n_planes != 1 |
3808 | && x_alloc_lighter_color (f, dpy, cmap, &pixel, factor, delta)) | |
06a2c219 GM |
3809 | { |
3810 | relief->allocated_p = 1; | |
3811 | xgcv.foreground = relief->pixel = pixel; | |
3812 | } | |
3813 | ||
3814 | if (relief->gc == 0) | |
3815 | { | |
dcd08bfb | 3816 | xgcv.stipple = dpyinfo->gray; |
06a2c219 | 3817 | mask |= GCStipple; |
dcd08bfb | 3818 | relief->gc = XCreateGC (dpy, FRAME_X_WINDOW (f), mask, &xgcv); |
06a2c219 GM |
3819 | } |
3820 | else | |
dcd08bfb | 3821 | XChangeGC (dpy, relief->gc, mask, &xgcv); |
06a2c219 GM |
3822 | } |
3823 | ||
3824 | ||
3825 | /* Set up colors for the relief lines around glyph string S. */ | |
3826 | ||
3827 | static void | |
3828 | x_setup_relief_colors (s) | |
3829 | struct glyph_string *s; | |
3830 | { | |
3831 | struct x_output *di = s->f->output_data.x; | |
3832 | unsigned long color; | |
3833 | ||
3834 | if (s->face->use_box_color_for_shadows_p) | |
3835 | color = s->face->box_color; | |
e2a57b34 MB |
3836 | else if (s->first_glyph->type == IMAGE_GLYPH |
3837 | && !IMAGE_BACKGROUND_TRANSPARENT (s->img, s->f, 0)) | |
3838 | color = IMAGE_BACKGROUND (s->img, s->f, 0); | |
06a2c219 GM |
3839 | else |
3840 | { | |
3841 | XGCValues xgcv; | |
3842 | ||
3843 | /* Get the background color of the face. */ | |
3844 | XGetGCValues (s->display, s->gc, GCBackground, &xgcv); | |
3845 | color = xgcv.background; | |
3846 | } | |
3847 | ||
3848 | if (di->white_relief.gc == 0 | |
3849 | || color != di->relief_background) | |
3850 | { | |
3851 | di->relief_background = color; | |
3852 | x_setup_relief_color (s->f, &di->white_relief, 1.2, 0x8000, | |
3853 | WHITE_PIX_DEFAULT (s->f)); | |
3854 | x_setup_relief_color (s->f, &di->black_relief, 0.6, 0x4000, | |
3855 | BLACK_PIX_DEFAULT (s->f)); | |
3856 | } | |
3857 | } | |
3858 | ||
3859 | ||
3860 | /* Draw a relief on frame F inside the rectangle given by LEFT_X, | |
3861 | TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief | |
3862 | to draw, it must be >= 0. RAISED_P non-zero means draw a raised | |
3863 | relief. LEFT_P non-zero means draw a relief on the left side of | |
3864 | the rectangle. RIGHT_P non-zero means draw a relief on the right | |
3865 | side of the rectangle. CLIP_RECT is the clipping rectangle to use | |
3866 | when drawing. */ | |
3867 | ||
3868 | static void | |
3869 | x_draw_relief_rect (f, left_x, top_y, right_x, bottom_y, width, | |
3870 | raised_p, left_p, right_p, clip_rect) | |
3871 | struct frame *f; | |
3872 | int left_x, top_y, right_x, bottom_y, left_p, right_p, raised_p; | |
3873 | XRectangle *clip_rect; | |
3874 | { | |
de507556 GM |
3875 | Display *dpy = FRAME_X_DISPLAY (f); |
3876 | Window window = FRAME_X_WINDOW (f); | |
06a2c219 GM |
3877 | int i; |
3878 | GC gc; | |
3879 | ||
3880 | if (raised_p) | |
3881 | gc = f->output_data.x->white_relief.gc; | |
3882 | else | |
3883 | gc = f->output_data.x->black_relief.gc; | |
de507556 | 3884 | XSetClipRectangles (dpy, gc, 0, 0, clip_rect, 1, Unsorted); |
06a2c219 GM |
3885 | |
3886 | /* Top. */ | |
3887 | for (i = 0; i < width; ++i) | |
de507556 | 3888 | XDrawLine (dpy, window, gc, |
06a2c219 GM |
3889 | left_x + i * left_p, top_y + i, |
3890 | right_x + 1 - i * right_p, top_y + i); | |
3891 | ||
3892 | /* Left. */ | |
3893 | if (left_p) | |
3894 | for (i = 0; i < width; ++i) | |
de507556 | 3895 | XDrawLine (dpy, window, gc, |
44655e77 | 3896 | left_x + i, top_y + i, left_x + i, bottom_y - i + 1); |
06a2c219 | 3897 | |
de507556 | 3898 | XSetClipMask (dpy, gc, None); |
06a2c219 GM |
3899 | if (raised_p) |
3900 | gc = f->output_data.x->black_relief.gc; | |
3901 | else | |
3902 | gc = f->output_data.x->white_relief.gc; | |
de507556 | 3903 | XSetClipRectangles (dpy, gc, 0, 0, clip_rect, 1, Unsorted); |
06a2c219 GM |
3904 | |
3905 | /* Bottom. */ | |
3906 | for (i = 0; i < width; ++i) | |
de507556 GM |
3907 | XDrawLine (dpy, window, gc, |
3908 | left_x + i * left_p, bottom_y - i, | |
327f42ee | 3909 | right_x + 1 - i * right_p, bottom_y - i); |
06a2c219 GM |
3910 | |
3911 | /* Right. */ | |
3912 | if (right_p) | |
3913 | for (i = 0; i < width; ++i) | |
de507556 | 3914 | XDrawLine (dpy, window, gc, |
06a2c219 GM |
3915 | right_x - i, top_y + i + 1, right_x - i, bottom_y - i); |
3916 | ||
de507556 | 3917 | XSetClipMask (dpy, gc, None); |
06a2c219 GM |
3918 | } |
3919 | ||
3920 | ||
3921 | /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y, | |
3922 | RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to | |
3923 | draw, it must be >= 0. LEFT_P non-zero means draw a line on the | |
3924 | left side of the rectangle. RIGHT_P non-zero means draw a line | |
3925 | on the right side of the rectangle. CLIP_RECT is the clipping | |
3926 | rectangle to use when drawing. */ | |
3927 | ||
3928 | static void | |
3929 | x_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, | |
3930 | left_p, right_p, clip_rect) | |
3931 | struct glyph_string *s; | |
3932 | int left_x, top_y, right_x, bottom_y, left_p, right_p; | |
3933 | XRectangle *clip_rect; | |
3934 | { | |
3935 | XGCValues xgcv; | |
3936 | ||
3937 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
3938 | XSetForeground (s->display, s->gc, s->face->box_color); | |
3939 | XSetClipRectangles (s->display, s->gc, 0, 0, clip_rect, 1, Unsorted); | |
3940 | ||
3941 | /* Top. */ | |
3942 | XFillRectangle (s->display, s->window, s->gc, | |
58e4fce8 | 3943 | left_x, top_y, right_x - left_x + 1, width); |
06a2c219 GM |
3944 | |
3945 | /* Left. */ | |
3946 | if (left_p) | |
3947 | XFillRectangle (s->display, s->window, s->gc, | |
58e4fce8 | 3948 | left_x, top_y, width, bottom_y - top_y + 1); |
06a2c219 GM |
3949 | |
3950 | /* Bottom. */ | |
3951 | XFillRectangle (s->display, s->window, s->gc, | |
58e4fce8 | 3952 | left_x, bottom_y - width + 1, right_x - left_x + 1, width); |
06a2c219 GM |
3953 | |
3954 | /* Right. */ | |
3955 | if (right_p) | |
3956 | XFillRectangle (s->display, s->window, s->gc, | |
58e4fce8 | 3957 | right_x - width + 1, top_y, width, bottom_y - top_y + 1); |
06a2c219 GM |
3958 | |
3959 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
3960 | XSetClipMask (s->display, s->gc, None); | |
3961 | } | |
3962 | ||
3963 | ||
3964 | /* Draw a box around glyph string S. */ | |
3965 | ||
3966 | static void | |
3967 | x_draw_glyph_string_box (s) | |
3968 | struct glyph_string *s; | |
3969 | { | |
3970 | int width, left_x, right_x, top_y, bottom_y, last_x, raised_p; | |
3971 | int left_p, right_p; | |
3972 | struct glyph *last_glyph; | |
3973 | XRectangle clip_rect; | |
3974 | ||
3975 | last_x = window_box_right (s->w, s->area); | |
3976 | if (s->row->full_width_p | |
3977 | && !s->w->pseudo_window_p) | |
3978 | { | |
3f332ef3 | 3979 | last_x += FRAME_X_RIGHT_FRINGE_WIDTH (s->f); |
06a2c219 GM |
3980 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (s->f)) |
3981 | last_x += FRAME_SCROLL_BAR_WIDTH (s->f) * CANON_X_UNIT (s->f); | |
3982 | } | |
3983 | ||
3984 | /* The glyph that may have a right box line. */ | |
b4192550 | 3985 | last_glyph = (s->cmp || s->img |
06a2c219 GM |
3986 | ? s->first_glyph |
3987 | : s->first_glyph + s->nchars - 1); | |
3988 | ||
ea2ba0d4 | 3989 | width = abs (s->face->box_line_width); |
06a2c219 GM |
3990 | raised_p = s->face->box == FACE_RAISED_BOX; |
3991 | left_x = s->x; | |
57ac7c81 GM |
3992 | right_x = (s->row->full_width_p && s->extends_to_end_of_line_p |
3993 | ? last_x - 1 | |
3994 | : min (last_x, s->x + s->background_width) - 1); | |
06a2c219 GM |
3995 | top_y = s->y; |
3996 | bottom_y = top_y + s->height - 1; | |
3997 | ||
3998 | left_p = (s->first_glyph->left_box_line_p | |
3999 | || (s->hl == DRAW_MOUSE_FACE | |
4000 | && (s->prev == NULL | |
4001 | || s->prev->hl != s->hl))); | |
4002 | right_p = (last_glyph->right_box_line_p | |
4003 | || (s->hl == DRAW_MOUSE_FACE | |
4004 | && (s->next == NULL | |
4005 | || s->next->hl != s->hl))); | |
327f42ee | 4006 | |
06a2c219 GM |
4007 | x_get_glyph_string_clip_rect (s, &clip_rect); |
4008 | ||
4009 | if (s->face->box == FACE_SIMPLE_BOX) | |
4010 | x_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, | |
4011 | left_p, right_p, &clip_rect); | |
4012 | else | |
4013 | { | |
4014 | x_setup_relief_colors (s); | |
4015 | x_draw_relief_rect (s->f, left_x, top_y, right_x, bottom_y, | |
4016 | width, raised_p, left_p, right_p, &clip_rect); | |
4017 | } | |
4018 | } | |
4019 | ||
4020 | ||
4021 | /* Draw foreground of image glyph string S. */ | |
4022 | ||
4023 | static void | |
4024 | x_draw_image_foreground (s) | |
4025 | struct glyph_string *s; | |
4026 | { | |
4027 | int x; | |
95af8492 | 4028 | int y = s->ybase - image_ascent (s->img, s->face); |
06a2c219 GM |
4029 | |
4030 | /* If first glyph of S has a left box line, start drawing it to the | |
4031 | right of that line. */ | |
4032 | if (s->face->box != FACE_NO_BOX | |
4033 | && s->first_glyph->left_box_line_p) | |
ea2ba0d4 | 4034 | x = s->x + abs (s->face->box_line_width); |
06a2c219 GM |
4035 | else |
4036 | x = s->x; | |
4037 | ||
4038 | /* If there is a margin around the image, adjust x- and y-position | |
4039 | by that margin. */ | |
22d650b8 GM |
4040 | x += s->img->hmargin; |
4041 | y += s->img->vmargin; | |
06a2c219 GM |
4042 | |
4043 | if (s->img->pixmap) | |
4044 | { | |
4045 | if (s->img->mask) | |
4046 | { | |
4047 | /* We can't set both a clip mask and use XSetClipRectangles | |
4048 | because the latter also sets a clip mask. We also can't | |
4049 | trust on the shape extension to be available | |
4050 | (XShapeCombineRegion). So, compute the rectangle to draw | |
4051 | manually. */ | |
4052 | unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin | |
4053 | | GCFunction); | |
4054 | XGCValues xgcv; | |
4055 | XRectangle clip_rect, image_rect, r; | |
4056 | ||
4057 | xgcv.clip_mask = s->img->mask; | |
4058 | xgcv.clip_x_origin = x; | |
4059 | xgcv.clip_y_origin = y; | |
4060 | xgcv.function = GXcopy; | |
4061 | XChangeGC (s->display, s->gc, mask, &xgcv); | |
4062 | ||
4063 | x_get_glyph_string_clip_rect (s, &clip_rect); | |
4064 | image_rect.x = x; | |
4065 | image_rect.y = y; | |
4066 | image_rect.width = s->img->width; | |
4067 | image_rect.height = s->img->height; | |
4068 | if (x_intersect_rectangles (&clip_rect, &image_rect, &r)) | |
4069 | XCopyArea (s->display, s->img->pixmap, s->window, s->gc, | |
4070 | r.x - x, r.y - y, r.width, r.height, r.x, r.y); | |
4071 | } | |
4072 | else | |
4073 | { | |
49ad1d99 GM |
4074 | XRectangle clip_rect, image_rect, r; |
4075 | ||
4076 | x_get_glyph_string_clip_rect (s, &clip_rect); | |
4077 | image_rect.x = x; | |
4078 | image_rect.y = y; | |
4079 | image_rect.width = s->img->width; | |
4080 | image_rect.height = s->img->height; | |
4081 | if (x_intersect_rectangles (&clip_rect, &image_rect, &r)) | |
4082 | XCopyArea (s->display, s->img->pixmap, s->window, s->gc, | |
4083 | r.x - x, r.y - y, r.width, r.height, r.x, r.y); | |
06a2c219 GM |
4084 | |
4085 | /* When the image has a mask, we can expect that at | |
4086 | least part of a mouse highlight or a block cursor will | |
4087 | be visible. If the image doesn't have a mask, make | |
4088 | a block cursor visible by drawing a rectangle around | |
4089 | the image. I believe it's looking better if we do | |
4090 | nothing here for mouse-face. */ | |
4091 | if (s->hl == DRAW_CURSOR) | |
4092 | XDrawRectangle (s->display, s->window, s->gc, x, y, | |
4093 | s->img->width - 1, s->img->height - 1); | |
4094 | } | |
4095 | } | |
4096 | else | |
4097 | /* Draw a rectangle if image could not be loaded. */ | |
4098 | XDrawRectangle (s->display, s->window, s->gc, x, y, | |
4099 | s->img->width - 1, s->img->height - 1); | |
4100 | } | |
4101 | ||
4102 | ||
4103 | /* Draw a relief around the image glyph string S. */ | |
4104 | ||
4105 | static void | |
4106 | x_draw_image_relief (s) | |
4107 | struct glyph_string *s; | |
4108 | { | |
4109 | int x0, y0, x1, y1, thick, raised_p; | |
4110 | XRectangle r; | |
4111 | int x; | |
95af8492 | 4112 | int y = s->ybase - image_ascent (s->img, s->face); |
06a2c219 GM |
4113 | |
4114 | /* If first glyph of S has a left box line, start drawing it to the | |
4115 | right of that line. */ | |
4116 | if (s->face->box != FACE_NO_BOX | |
4117 | && s->first_glyph->left_box_line_p) | |
ea2ba0d4 | 4118 | x = s->x + abs (s->face->box_line_width); |
06a2c219 GM |
4119 | else |
4120 | x = s->x; | |
4121 | ||
4122 | /* If there is a margin around the image, adjust x- and y-position | |
4123 | by that margin. */ | |
22d650b8 GM |
4124 | x += s->img->hmargin; |
4125 | y += s->img->vmargin; | |
06a2c219 GM |
4126 | |
4127 | if (s->hl == DRAW_IMAGE_SUNKEN | |
4128 | || s->hl == DRAW_IMAGE_RAISED) | |
4129 | { | |
a10b6ff1 | 4130 | thick = tool_bar_button_relief >= 0 ? tool_bar_button_relief : 3; |
06a2c219 GM |
4131 | raised_p = s->hl == DRAW_IMAGE_RAISED; |
4132 | } | |
4133 | else | |
4134 | { | |
4135 | thick = abs (s->img->relief); | |
4136 | raised_p = s->img->relief > 0; | |
4137 | } | |
4138 | ||
4139 | x0 = x - thick; | |
4140 | y0 = y - thick; | |
4141 | x1 = x + s->img->width + thick - 1; | |
4142 | y1 = y + s->img->height + thick - 1; | |
4143 | ||
4144 | x_setup_relief_colors (s); | |
4145 | x_get_glyph_string_clip_rect (s, &r); | |
4146 | x_draw_relief_rect (s->f, x0, y0, x1, y1, thick, raised_p, 1, 1, &r); | |
4147 | } | |
4148 | ||
4149 | ||
4150 | /* Draw the foreground of image glyph string S to PIXMAP. */ | |
4151 | ||
4152 | static void | |
4153 | x_draw_image_foreground_1 (s, pixmap) | |
4154 | struct glyph_string *s; | |
4155 | Pixmap pixmap; | |
4156 | { | |
4157 | int x; | |
95af8492 | 4158 | int y = s->ybase - s->y - image_ascent (s->img, s->face); |
06a2c219 GM |
4159 | |
4160 | /* If first glyph of S has a left box line, start drawing it to the | |
4161 | right of that line. */ | |
4162 | if (s->face->box != FACE_NO_BOX | |
4163 | && s->first_glyph->left_box_line_p) | |
ea2ba0d4 | 4164 | x = abs (s->face->box_line_width); |
06a2c219 GM |
4165 | else |
4166 | x = 0; | |
4167 | ||
4168 | /* If there is a margin around the image, adjust x- and y-position | |
4169 | by that margin. */ | |
22d650b8 GM |
4170 | x += s->img->hmargin; |
4171 | y += s->img->vmargin; | |
dc43ef94 | 4172 | |
06a2c219 GM |
4173 | if (s->img->pixmap) |
4174 | { | |
4175 | if (s->img->mask) | |
4176 | { | |
4177 | /* We can't set both a clip mask and use XSetClipRectangles | |
4178 | because the latter also sets a clip mask. We also can't | |
4179 | trust on the shape extension to be available | |
4180 | (XShapeCombineRegion). So, compute the rectangle to draw | |
4181 | manually. */ | |
4182 | unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin | |
4183 | | GCFunction); | |
4184 | XGCValues xgcv; | |
4185 | ||
4186 | xgcv.clip_mask = s->img->mask; | |
4187 | xgcv.clip_x_origin = x; | |
4188 | xgcv.clip_y_origin = y; | |
4189 | xgcv.function = GXcopy; | |
4190 | XChangeGC (s->display, s->gc, mask, &xgcv); | |
4191 | ||
4192 | XCopyArea (s->display, s->img->pixmap, pixmap, s->gc, | |
4193 | 0, 0, s->img->width, s->img->height, x, y); | |
4194 | XSetClipMask (s->display, s->gc, None); | |
4195 | } | |
4196 | else | |
4197 | { | |
4198 | XCopyArea (s->display, s->img->pixmap, pixmap, s->gc, | |
4199 | 0, 0, s->img->width, s->img->height, x, y); | |
4200 | ||
4201 | /* When the image has a mask, we can expect that at | |
4202 | least part of a mouse highlight or a block cursor will | |
4203 | be visible. If the image doesn't have a mask, make | |
4204 | a block cursor visible by drawing a rectangle around | |
4205 | the image. I believe it's looking better if we do | |
4206 | nothing here for mouse-face. */ | |
4207 | if (s->hl == DRAW_CURSOR) | |
4208 | XDrawRectangle (s->display, pixmap, s->gc, x, y, | |
4209 | s->img->width - 1, s->img->height - 1); | |
4210 | } | |
4211 | } | |
4212 | else | |
4213 | /* Draw a rectangle if image could not be loaded. */ | |
4214 | XDrawRectangle (s->display, pixmap, s->gc, x, y, | |
4215 | s->img->width - 1, s->img->height - 1); | |
4216 | } | |
dc43ef94 | 4217 | |
990ba854 | 4218 | |
06a2c219 GM |
4219 | /* Draw part of the background of glyph string S. X, Y, W, and H |
4220 | give the rectangle to draw. */ | |
a9a5b0a5 | 4221 | |
06a2c219 GM |
4222 | static void |
4223 | x_draw_glyph_string_bg_rect (s, x, y, w, h) | |
4224 | struct glyph_string *s; | |
4225 | int x, y, w, h; | |
4226 | { | |
4227 | if (s->stippled_p) | |
4228 | { | |
4229 | /* Fill background with a stipple pattern. */ | |
4230 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
4231 | XFillRectangle (s->display, s->window, s->gc, x, y, w, h); | |
4232 | XSetFillStyle (s->display, s->gc, FillSolid); | |
4233 | } | |
4234 | else | |
4235 | x_clear_glyph_string_rect (s, x, y, w, h); | |
4236 | } | |
07e34cb0 | 4237 | |
b5210ea7 | 4238 | |
06a2c219 | 4239 | /* Draw image glyph string S. |
dc43ef94 | 4240 | |
06a2c219 GM |
4241 | s->y |
4242 | s->x +------------------------- | |
4243 | | s->face->box | |
4244 | | | |
4245 | | +------------------------- | |
4246 | | | s->img->margin | |
4247 | | | | |
4248 | | | +------------------- | |
4249 | | | | the image | |
dc43ef94 | 4250 | |
06a2c219 | 4251 | */ |
dc43ef94 | 4252 | |
06a2c219 GM |
4253 | static void |
4254 | x_draw_image_glyph_string (s) | |
4255 | struct glyph_string *s; | |
4256 | { | |
4257 | int x, y; | |
ea2ba0d4 KH |
4258 | int box_line_hwidth = abs (s->face->box_line_width); |
4259 | int box_line_vwidth = max (s->face->box_line_width, 0); | |
06a2c219 GM |
4260 | int height; |
4261 | Pixmap pixmap = None; | |
4262 | ||
ea2ba0d4 | 4263 | height = s->height - 2 * box_line_vwidth; |
06a2c219 GM |
4264 | |
4265 | /* Fill background with face under the image. Do it only if row is | |
4266 | taller than image or if image has a clip mask to reduce | |
4267 | flickering. */ | |
4268 | s->stippled_p = s->face->stipple != 0; | |
4269 | if (height > s->img->height | |
22d650b8 GM |
4270 | || s->img->hmargin |
4271 | || s->img->vmargin | |
06a2c219 GM |
4272 | || s->img->mask |
4273 | || s->img->pixmap == 0 | |
4274 | || s->width != s->background_width) | |
4275 | { | |
ea2ba0d4 KH |
4276 | if (box_line_hwidth && s->first_glyph->left_box_line_p) |
4277 | x = s->x + box_line_hwidth; | |
06a2c219 GM |
4278 | else |
4279 | x = s->x; | |
4280 | ||
ea2ba0d4 | 4281 | y = s->y + box_line_vwidth; |
06a2c219 GM |
4282 | |
4283 | if (s->img->mask) | |
4284 | { | |
f9b5db02 GM |
4285 | /* Create a pixmap as large as the glyph string. Fill it |
4286 | with the background color. Copy the image to it, using | |
4287 | its mask. Copy the temporary pixmap to the display. */ | |
06a2c219 GM |
4288 | Screen *screen = FRAME_X_SCREEN (s->f); |
4289 | int depth = DefaultDepthOfScreen (screen); | |
4290 | ||
4291 | /* Create a pixmap as large as the glyph string. */ | |
4292 | pixmap = XCreatePixmap (s->display, s->window, | |
4293 | s->background_width, | |
4294 | s->height, depth); | |
4295 | ||
4296 | /* Don't clip in the following because we're working on the | |
4297 | pixmap. */ | |
4298 | XSetClipMask (s->display, s->gc, None); | |
4299 | ||
4300 | /* Fill the pixmap with the background color/stipple. */ | |
4301 | if (s->stippled_p) | |
4302 | { | |
4303 | /* Fill background with a stipple pattern. */ | |
4304 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
4305 | XFillRectangle (s->display, pixmap, s->gc, | |
4306 | 0, 0, s->background_width, s->height); | |
4307 | XSetFillStyle (s->display, s->gc, FillSolid); | |
4308 | } | |
4309 | else | |
4310 | { | |
4311 | XGCValues xgcv; | |
4312 | XGetGCValues (s->display, s->gc, GCForeground | GCBackground, | |
4313 | &xgcv); | |
4314 | XSetForeground (s->display, s->gc, xgcv.background); | |
4315 | XFillRectangle (s->display, pixmap, s->gc, | |
4316 | 0, 0, s->background_width, s->height); | |
4317 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
4318 | } | |
4319 | } | |
4320 | else | |
06a2c219 GM |
4321 | x_draw_glyph_string_bg_rect (s, x, y, s->background_width, height); |
4322 | ||
4323 | s->background_filled_p = 1; | |
4324 | } | |
dc43ef94 | 4325 | |
06a2c219 GM |
4326 | /* Draw the foreground. */ |
4327 | if (pixmap != None) | |
4328 | { | |
4329 | x_draw_image_foreground_1 (s, pixmap); | |
4330 | x_set_glyph_string_clipping (s); | |
4331 | XCopyArea (s->display, pixmap, s->window, s->gc, | |
4332 | 0, 0, s->background_width, s->height, s->x, s->y); | |
4333 | XFreePixmap (s->display, pixmap); | |
4334 | } | |
4335 | else | |
4336 | x_draw_image_foreground (s); | |
b5210ea7 | 4337 | |
06a2c219 GM |
4338 | /* If we must draw a relief around the image, do it. */ |
4339 | if (s->img->relief | |
4340 | || s->hl == DRAW_IMAGE_RAISED | |
4341 | || s->hl == DRAW_IMAGE_SUNKEN) | |
4342 | x_draw_image_relief (s); | |
4343 | } | |
8c1a6a84 | 4344 | |
990ba854 | 4345 | |
06a2c219 | 4346 | /* Draw stretch glyph string S. */ |
dc43ef94 | 4347 | |
06a2c219 GM |
4348 | static void |
4349 | x_draw_stretch_glyph_string (s) | |
4350 | struct glyph_string *s; | |
4351 | { | |
4352 | xassert (s->first_glyph->type == STRETCH_GLYPH); | |
4353 | s->stippled_p = s->face->stipple != 0; | |
990ba854 | 4354 | |
06a2c219 GM |
4355 | if (s->hl == DRAW_CURSOR |
4356 | && !x_stretch_cursor_p) | |
4357 | { | |
4358 | /* If `x-stretch-block-cursor' is nil, don't draw a block cursor | |
4359 | as wide as the stretch glyph. */ | |
4360 | int width = min (CANON_X_UNIT (s->f), s->background_width); | |
990ba854 | 4361 | |
06a2c219 GM |
4362 | /* Draw cursor. */ |
4363 | x_draw_glyph_string_bg_rect (s, s->x, s->y, width, s->height); | |
0cdd0c9f | 4364 | |
06a2c219 GM |
4365 | /* Clear rest using the GC of the original non-cursor face. */ |
4366 | if (width < s->background_width) | |
4367 | { | |
06a2c219 GM |
4368 | int x = s->x + width, y = s->y; |
4369 | int w = s->background_width - width, h = s->height; | |
4370 | XRectangle r; | |
b7f83f9e | 4371 | GC gc; |
dc43ef94 | 4372 | |
b7f83f9e GM |
4373 | if (s->row->mouse_face_p |
4374 | && cursor_in_mouse_face_p (s->w)) | |
4375 | { | |
4376 | x_set_mouse_face_gc (s); | |
4377 | gc = s->gc; | |
4378 | } | |
4379 | else | |
4380 | gc = s->face->gc; | |
4381 | ||
06a2c219 GM |
4382 | x_get_glyph_string_clip_rect (s, &r); |
4383 | XSetClipRectangles (s->display, gc, 0, 0, &r, 1, Unsorted); | |
b7f83f9e | 4384 | |
06a2c219 GM |
4385 | if (s->face->stipple) |
4386 | { | |
4387 | /* Fill background with a stipple pattern. */ | |
4388 | XSetFillStyle (s->display, gc, FillOpaqueStippled); | |
4389 | XFillRectangle (s->display, s->window, gc, x, y, w, h); | |
4390 | XSetFillStyle (s->display, gc, FillSolid); | |
4391 | } | |
4392 | else | |
4393 | { | |
4394 | XGCValues xgcv; | |
4395 | XGetGCValues (s->display, gc, GCForeground | GCBackground, &xgcv); | |
4396 | XSetForeground (s->display, gc, xgcv.background); | |
4397 | XFillRectangle (s->display, s->window, gc, x, y, w, h); | |
4398 | XSetForeground (s->display, gc, xgcv.foreground); | |
4399 | } | |
4400 | } | |
4401 | } | |
61e9f9f3 | 4402 | else if (!s->background_filled_p) |
06a2c219 GM |
4403 | x_draw_glyph_string_bg_rect (s, s->x, s->y, s->background_width, |
4404 | s->height); | |
4405 | ||
4406 | s->background_filled_p = 1; | |
4407 | } | |
4408 | ||
4409 | ||
4410 | /* Draw glyph string S. */ | |
4411 | ||
4412 | static void | |
4413 | x_draw_glyph_string (s) | |
4414 | struct glyph_string *s; | |
4415 | { | |
4458cf11 KH |
4416 | int relief_drawn_p = 0; |
4417 | ||
06a2c219 GM |
4418 | /* If S draws into the background of its successor, draw the |
4419 | background of the successor first so that S can draw into it. | |
4420 | This makes S->next use XDrawString instead of XDrawImageString. */ | |
66ac4b0e | 4421 | if (s->next && s->right_overhang && !s->for_overlaps_p) |
06a2c219 GM |
4422 | { |
4423 | xassert (s->next->img == NULL); | |
4424 | x_set_glyph_string_gc (s->next); | |
4425 | x_set_glyph_string_clipping (s->next); | |
4426 | x_draw_glyph_string_background (s->next, 1); | |
4427 | } | |
97210f4e | 4428 | |
06a2c219 GM |
4429 | /* Set up S->gc, set clipping and draw S. */ |
4430 | x_set_glyph_string_gc (s); | |
06a2c219 | 4431 | |
4458cf11 KH |
4432 | /* Draw relief (if any) in advance for char/composition so that the |
4433 | glyph string can be drawn over it. */ | |
4434 | if (!s->for_overlaps_p | |
4435 | && s->face->box != FACE_NO_BOX | |
4436 | && (s->first_glyph->type == CHAR_GLYPH | |
4437 | || s->first_glyph->type == COMPOSITE_GLYPH)) | |
4438 | ||
4439 | { | |
e6269cbb | 4440 | x_set_glyph_string_clipping (s); |
4458cf11 KH |
4441 | x_draw_glyph_string_background (s, 1); |
4442 | x_draw_glyph_string_box (s); | |
e6269cbb | 4443 | x_set_glyph_string_clipping (s); |
4458cf11 KH |
4444 | relief_drawn_p = 1; |
4445 | } | |
e6269cbb GM |
4446 | else |
4447 | x_set_glyph_string_clipping (s); | |
4458cf11 | 4448 | |
06a2c219 GM |
4449 | switch (s->first_glyph->type) |
4450 | { | |
4451 | case IMAGE_GLYPH: | |
4452 | x_draw_image_glyph_string (s); | |
4453 | break; | |
4454 | ||
4455 | case STRETCH_GLYPH: | |
4456 | x_draw_stretch_glyph_string (s); | |
4457 | break; | |
4458 | ||
4459 | case CHAR_GLYPH: | |
66ac4b0e GM |
4460 | if (s->for_overlaps_p) |
4461 | s->background_filled_p = 1; | |
4462 | else | |
4463 | x_draw_glyph_string_background (s, 0); | |
06a2c219 GM |
4464 | x_draw_glyph_string_foreground (s); |
4465 | break; | |
4466 | ||
b4192550 KH |
4467 | case COMPOSITE_GLYPH: |
4468 | if (s->for_overlaps_p || s->gidx > 0) | |
4469 | s->background_filled_p = 1; | |
4470 | else | |
4471 | x_draw_glyph_string_background (s, 1); | |
4472 | x_draw_composite_glyph_string_foreground (s); | |
4473 | break; | |
4474 | ||
06a2c219 GM |
4475 | default: |
4476 | abort (); | |
4477 | } | |
4478 | ||
66ac4b0e | 4479 | if (!s->for_overlaps_p) |
06a2c219 | 4480 | { |
66ac4b0e GM |
4481 | /* Draw underline. */ |
4482 | if (s->face->underline_p) | |
4483 | { | |
e24e84cc GM |
4484 | unsigned long tem, h; |
4485 | int y; | |
06a2c219 | 4486 | |
e24e84cc | 4487 | /* Get the underline thickness. Default is 1 pixel. */ |
66ac4b0e GM |
4488 | if (!XGetFontProperty (s->font, XA_UNDERLINE_THICKNESS, &h)) |
4489 | h = 1; | |
e24e84cc GM |
4490 | |
4491 | /* Get the underline position. This is the recommended | |
4492 | vertical offset in pixels from the baseline to the top of | |
4493 | the underline. This is a signed value according to the | |
4494 | specs, and its default is | |
4495 | ||
4496 | ROUND ((maximum descent) / 2), with | |
4497 | ROUND(x) = floor (x + 0.5) */ | |
4498 | ||
a72d5ce5 GM |
4499 | if (x_use_underline_position_properties |
4500 | && XGetFontProperty (s->font, XA_UNDERLINE_POSITION, &tem)) | |
e24e84cc GM |
4501 | y = s->ybase + (long) tem; |
4502 | else if (s->face->font) | |
4503 | y = s->ybase + (s->face->font->max_bounds.descent + 1) / 2; | |
4504 | else | |
a02f1be0 | 4505 | y = s->y + s->height - h; |
06a2c219 | 4506 | |
66ac4b0e | 4507 | if (s->face->underline_defaulted_p) |
e24e84cc GM |
4508 | XFillRectangle (s->display, s->window, s->gc, |
4509 | s->x, y, s->width, h); | |
66ac4b0e GM |
4510 | else |
4511 | { | |
4512 | XGCValues xgcv; | |
4513 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
4514 | XSetForeground (s->display, s->gc, s->face->underline_color); | |
e24e84cc GM |
4515 | XFillRectangle (s->display, s->window, s->gc, |
4516 | s->x, y, s->width, h); | |
66ac4b0e GM |
4517 | XSetForeground (s->display, s->gc, xgcv.foreground); |
4518 | } | |
dc6f92b8 | 4519 | } |
07e34cb0 | 4520 | |
66ac4b0e GM |
4521 | /* Draw overline. */ |
4522 | if (s->face->overline_p) | |
06a2c219 | 4523 | { |
66ac4b0e GM |
4524 | unsigned long dy = 0, h = 1; |
4525 | ||
4526 | if (s->face->overline_color_defaulted_p) | |
4527 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4528 | s->width, h); | |
4529 | else | |
4530 | { | |
4531 | XGCValues xgcv; | |
4532 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
4533 | XSetForeground (s->display, s->gc, s->face->overline_color); | |
4534 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4535 | s->width, h); | |
4536 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
4537 | } | |
06a2c219 | 4538 | } |
06a2c219 | 4539 | |
66ac4b0e GM |
4540 | /* Draw strike-through. */ |
4541 | if (s->face->strike_through_p) | |
06a2c219 | 4542 | { |
66ac4b0e GM |
4543 | unsigned long h = 1; |
4544 | unsigned long dy = (s->height - h) / 2; | |
4545 | ||
4546 | if (s->face->strike_through_color_defaulted_p) | |
4547 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4548 | s->width, h); | |
4549 | else | |
4550 | { | |
4551 | XGCValues xgcv; | |
4552 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
4553 | XSetForeground (s->display, s->gc, s->face->strike_through_color); | |
4554 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4555 | s->width, h); | |
4556 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
4557 | } | |
06a2c219 | 4558 | } |
06a2c219 | 4559 | |
4458cf11 KH |
4560 | /* Draw relief if not yet drawn. */ |
4561 | if (!relief_drawn_p && s->face->box != FACE_NO_BOX) | |
66ac4b0e GM |
4562 | x_draw_glyph_string_box (s); |
4563 | } | |
06a2c219 GM |
4564 | |
4565 | /* Reset clipping. */ | |
4566 | XSetClipMask (s->display, s->gc, None); | |
dc6f92b8 | 4567 | } |
07e34cb0 | 4568 | |
06a2c219 | 4569 | |
b4192550 KH |
4570 | static int x_fill_composite_glyph_string P_ ((struct glyph_string *, |
4571 | struct face **, int)); | |
06a2c219 | 4572 | |
06a2c219 | 4573 | |
209f68d9 GM |
4574 | /* Fill glyph string S with composition components specified by S->cmp. |
4575 | ||
b4192550 KH |
4576 | FACES is an array of faces for all components of this composition. |
4577 | S->gidx is the index of the first component for S. | |
4578 | OVERLAPS_P non-zero means S should draw the foreground only, and | |
209f68d9 | 4579 | use its physical height for clipping. |
06a2c219 | 4580 | |
b4192550 | 4581 | Value is the index of a component not in S. */ |
07e34cb0 | 4582 | |
b4192550 KH |
4583 | static int |
4584 | x_fill_composite_glyph_string (s, faces, overlaps_p) | |
06a2c219 | 4585 | struct glyph_string *s; |
b4192550 | 4586 | struct face **faces; |
66ac4b0e | 4587 | int overlaps_p; |
07e34cb0 | 4588 | { |
b4192550 | 4589 | int i; |
06a2c219 | 4590 | |
b4192550 | 4591 | xassert (s); |
06a2c219 | 4592 | |
b4192550 | 4593 | s->for_overlaps_p = overlaps_p; |
06a2c219 | 4594 | |
b4192550 KH |
4595 | s->face = faces[s->gidx]; |
4596 | s->font = s->face->font; | |
4597 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); | |
06a2c219 | 4598 | |
b4192550 KH |
4599 | /* For all glyphs of this composition, starting at the offset |
4600 | S->gidx, until we reach the end of the definition or encounter a | |
4601 | glyph that requires the different face, add it to S. */ | |
4602 | ++s->nchars; | |
4603 | for (i = s->gidx + 1; i < s->cmp->glyph_len && faces[i] == s->face; ++i) | |
4604 | ++s->nchars; | |
06a2c219 | 4605 | |
b4192550 KH |
4606 | /* All glyph strings for the same composition has the same width, |
4607 | i.e. the width set for the first component of the composition. */ | |
06a2c219 | 4608 | |
06a2c219 GM |
4609 | s->width = s->first_glyph->pixel_width; |
4610 | ||
4611 | /* If the specified font could not be loaded, use the frame's | |
4612 | default font, but record the fact that we couldn't load it in | |
4613 | the glyph string so that we can draw rectangles for the | |
4614 | characters of the glyph string. */ | |
4615 | if (s->font == NULL) | |
4616 | { | |
4617 | s->font_not_found_p = 1; | |
4618 | s->font = FRAME_FONT (s->f); | |
4619 | } | |
4620 | ||
4621 | /* Adjust base line for subscript/superscript text. */ | |
4622 | s->ybase += s->first_glyph->voffset; | |
4623 | ||
4624 | xassert (s->face && s->face->gc); | |
4625 | ||
4626 | /* This glyph string must always be drawn with 16-bit functions. */ | |
4627 | s->two_byte_p = 1; | |
b4192550 KH |
4628 | |
4629 | return s->gidx + s->nchars; | |
06a2c219 GM |
4630 | } |
4631 | ||
4632 | ||
209f68d9 GM |
4633 | /* Fill glyph string S from a sequence of character glyphs. |
4634 | ||
06a2c219 | 4635 | FACE_ID is the face id of the string. START is the index of the |
66ac4b0e GM |
4636 | first glyph to consider, END is the index of the last + 1. |
4637 | OVERLAPS_P non-zero means S should draw the foreground only, and | |
209f68d9 | 4638 | use its physical height for clipping. |
66ac4b0e GM |
4639 | |
4640 | Value is the index of the first glyph not in S. */ | |
06a2c219 GM |
4641 | |
4642 | static int | |
66ac4b0e | 4643 | x_fill_glyph_string (s, face_id, start, end, overlaps_p) |
06a2c219 GM |
4644 | struct glyph_string *s; |
4645 | int face_id; | |
66ac4b0e | 4646 | int start, end, overlaps_p; |
06a2c219 GM |
4647 | { |
4648 | struct glyph *glyph, *last; | |
4649 | int voffset; | |
ee569018 | 4650 | int glyph_not_available_p; |
06a2c219 | 4651 | |
06a2c219 GM |
4652 | xassert (s->f == XFRAME (s->w->frame)); |
4653 | xassert (s->nchars == 0); | |
4654 | xassert (start >= 0 && end > start); | |
4655 | ||
66ac4b0e | 4656 | s->for_overlaps_p = overlaps_p, |
06a2c219 GM |
4657 | glyph = s->row->glyphs[s->area] + start; |
4658 | last = s->row->glyphs[s->area] + end; | |
4659 | voffset = glyph->voffset; | |
4660 | ||
ee569018 KH |
4661 | glyph_not_available_p = glyph->glyph_not_available_p; |
4662 | ||
06a2c219 GM |
4663 | while (glyph < last |
4664 | && glyph->type == CHAR_GLYPH | |
4665 | && glyph->voffset == voffset | |
ee569018 KH |
4666 | /* Same face id implies same font, nowadays. */ |
4667 | && glyph->face_id == face_id | |
4668 | && glyph->glyph_not_available_p == glyph_not_available_p) | |
06a2c219 | 4669 | { |
ee569018 KH |
4670 | int two_byte_p; |
4671 | ||
06a2c219 | 4672 | s->face = x_get_glyph_face_and_encoding (s->f, glyph, |
ee569018 KH |
4673 | s->char2b + s->nchars, |
4674 | &two_byte_p); | |
4675 | s->two_byte_p = two_byte_p; | |
06a2c219 GM |
4676 | ++s->nchars; |
4677 | xassert (s->nchars <= end - start); | |
4678 | s->width += glyph->pixel_width; | |
4679 | ++glyph; | |
4680 | } | |
4681 | ||
4682 | s->font = s->face->font; | |
4683 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); | |
4684 | ||
4685 | /* If the specified font could not be loaded, use the frame's font, | |
4686 | but record the fact that we couldn't load it in | |
4687 | S->font_not_found_p so that we can draw rectangles for the | |
4688 | characters of the glyph string. */ | |
ee569018 | 4689 | if (s->font == NULL || glyph_not_available_p) |
06a2c219 GM |
4690 | { |
4691 | s->font_not_found_p = 1; | |
4692 | s->font = FRAME_FONT (s->f); | |
4693 | } | |
4694 | ||
4695 | /* Adjust base line for subscript/superscript text. */ | |
4696 | s->ybase += voffset; | |
66ac4b0e | 4697 | |
06a2c219 GM |
4698 | xassert (s->face && s->face->gc); |
4699 | return glyph - s->row->glyphs[s->area]; | |
07e34cb0 | 4700 | } |
dc6f92b8 | 4701 | |
06a2c219 GM |
4702 | |
4703 | /* Fill glyph string S from image glyph S->first_glyph. */ | |
dc6f92b8 | 4704 | |
dfcf069d | 4705 | static void |
06a2c219 GM |
4706 | x_fill_image_glyph_string (s) |
4707 | struct glyph_string *s; | |
4708 | { | |
4709 | xassert (s->first_glyph->type == IMAGE_GLYPH); | |
43d120d8 | 4710 | s->img = IMAGE_FROM_ID (s->f, s->first_glyph->u.img_id); |
06a2c219 | 4711 | xassert (s->img); |
43d120d8 | 4712 | s->face = FACE_FROM_ID (s->f, s->first_glyph->face_id); |
06a2c219 GM |
4713 | s->font = s->face->font; |
4714 | s->width = s->first_glyph->pixel_width; | |
4715 | ||
4716 | /* Adjust base line for subscript/superscript text. */ | |
4717 | s->ybase += s->first_glyph->voffset; | |
4718 | } | |
4719 | ||
4720 | ||
209f68d9 | 4721 | /* Fill glyph string S from a sequence of stretch glyphs. |
06a2c219 | 4722 | |
209f68d9 GM |
4723 | ROW is the glyph row in which the glyphs are found, AREA is the |
4724 | area within the row. START is the index of the first glyph to | |
4725 | consider, END is the index of the last + 1. | |
4726 | ||
4727 | Value is the index of the first glyph not in S. */ | |
4728 | ||
4729 | static int | |
4730 | x_fill_stretch_glyph_string (s, row, area, start, end) | |
06a2c219 | 4731 | struct glyph_string *s; |
209f68d9 GM |
4732 | struct glyph_row *row; |
4733 | enum glyph_row_area area; | |
4734 | int start, end; | |
06a2c219 | 4735 | { |
209f68d9 GM |
4736 | struct glyph *glyph, *last; |
4737 | int voffset, face_id; | |
4738 | ||
06a2c219 | 4739 | xassert (s->first_glyph->type == STRETCH_GLYPH); |
209f68d9 GM |
4740 | |
4741 | glyph = s->row->glyphs[s->area] + start; | |
4742 | last = s->row->glyphs[s->area] + end; | |
4743 | face_id = glyph->face_id; | |
4744 | s->face = FACE_FROM_ID (s->f, face_id); | |
06a2c219 | 4745 | s->font = s->face->font; |
209f68d9 GM |
4746 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); |
4747 | s->width = glyph->pixel_width; | |
4748 | voffset = glyph->voffset; | |
4749 | ||
4750 | for (++glyph; | |
4751 | (glyph < last | |
4752 | && glyph->type == STRETCH_GLYPH | |
4753 | && glyph->voffset == voffset | |
4754 | && glyph->face_id == face_id); | |
4755 | ++glyph) | |
4756 | s->width += glyph->pixel_width; | |
06a2c219 GM |
4757 | |
4758 | /* Adjust base line for subscript/superscript text. */ | |
209f68d9 GM |
4759 | s->ybase += voffset; |
4760 | ||
c296fc01 GM |
4761 | /* The case that face->gc == 0 is handled when drawing the glyph |
4762 | string by calling PREPARE_FACE_FOR_DISPLAY. */ | |
4763 | xassert (s->face); | |
209f68d9 | 4764 | return glyph - s->row->glyphs[s->area]; |
06a2c219 GM |
4765 | } |
4766 | ||
4767 | ||
4768 | /* Initialize glyph string S. CHAR2B is a suitably allocated vector | |
4769 | of XChar2b structures for S; it can't be allocated in | |
4770 | x_init_glyph_string because it must be allocated via `alloca'. W | |
4771 | is the window on which S is drawn. ROW and AREA are the glyph row | |
4772 | and area within the row from which S is constructed. START is the | |
4773 | index of the first glyph structure covered by S. HL is a | |
4774 | face-override for drawing S. */ | |
4775 | ||
4776 | static void | |
4777 | x_init_glyph_string (s, char2b, w, row, area, start, hl) | |
4778 | struct glyph_string *s; | |
4779 | XChar2b *char2b; | |
4780 | struct window *w; | |
4781 | struct glyph_row *row; | |
4782 | enum glyph_row_area area; | |
4783 | int start; | |
4784 | enum draw_glyphs_face hl; | |
4785 | { | |
4786 | bzero (s, sizeof *s); | |
4787 | s->w = w; | |
4788 | s->f = XFRAME (w->frame); | |
4789 | s->display = FRAME_X_DISPLAY (s->f); | |
4790 | s->window = FRAME_X_WINDOW (s->f); | |
4791 | s->char2b = char2b; | |
4792 | s->hl = hl; | |
4793 | s->row = row; | |
4794 | s->area = area; | |
4795 | s->first_glyph = row->glyphs[area] + start; | |
4796 | s->height = row->height; | |
4797 | s->y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
4798 | ||
9ea173e8 GM |
4799 | /* Display the internal border below the tool-bar window. */ |
4800 | if (s->w == XWINDOW (s->f->tool_bar_window)) | |
06a2c219 GM |
4801 | s->y -= s->f->output_data.x->internal_border_width; |
4802 | ||
4803 | s->ybase = s->y + row->ascent; | |
4804 | } | |
4805 | ||
4806 | ||
4807 | /* Set background width of glyph string S. START is the index of the | |
4808 | first glyph following S. LAST_X is the right-most x-position + 1 | |
4809 | in the drawing area. */ | |
4810 | ||
4811 | static INLINE void | |
4812 | x_set_glyph_string_background_width (s, start, last_x) | |
4813 | struct glyph_string *s; | |
4814 | int start; | |
4815 | int last_x; | |
4816 | { | |
4817 | /* If the face of this glyph string has to be drawn to the end of | |
4818 | the drawing area, set S->extends_to_end_of_line_p. */ | |
4819 | struct face *default_face = FACE_FROM_ID (s->f, DEFAULT_FACE_ID); | |
4820 | ||
4821 | if (start == s->row->used[s->area] | |
eb79f5cc | 4822 | && s->area == TEXT_AREA |
7b0870b2 GM |
4823 | && ((s->hl == DRAW_NORMAL_TEXT |
4824 | && (s->row->fill_line_p | |
4825 | || s->face->background != default_face->background | |
4826 | || s->face->stipple != default_face->stipple | |
4827 | || s->row->mouse_face_p)) | |
327f42ee GM |
4828 | || s->hl == DRAW_MOUSE_FACE |
4829 | || ((s->hl == DRAW_IMAGE_RAISED || s->hl == DRAW_IMAGE_SUNKEN) | |
4830 | && s->row->fill_line_p))) | |
7b0870b2 | 4831 | s->extends_to_end_of_line_p = 1; |
06a2c219 GM |
4832 | |
4833 | /* If S extends its face to the end of the line, set its | |
4834 | background_width to the distance to the right edge of the drawing | |
4835 | area. */ | |
4836 | if (s->extends_to_end_of_line_p) | |
1da3fd71 | 4837 | s->background_width = last_x - s->x + 1; |
06a2c219 GM |
4838 | else |
4839 | s->background_width = s->width; | |
4840 | } | |
4841 | ||
4842 | ||
4843 | /* Add a glyph string for a stretch glyph to the list of strings | |
4844 | between HEAD and TAIL. START is the index of the stretch glyph in | |
4845 | row area AREA of glyph row ROW. END is the index of the last glyph | |
4846 | in that glyph row area. X is the current output position assigned | |
4847 | to the new glyph string constructed. HL overrides that face of the | |
4848 | glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X | |
4849 | is the right-most x-position of the drawing area. */ | |
4850 | ||
8abee2e1 DL |
4851 | /* SunOS 4 bundled cc, barfed on continuations in the arg lists here |
4852 | and below -- keep them on one line. */ | |
4853 | #define BUILD_STRETCH_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \ | |
06a2c219 GM |
4854 | do \ |
4855 | { \ | |
4856 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4857 | x_init_glyph_string (s, NULL, W, ROW, AREA, START, HL); \ | |
209f68d9 | 4858 | START = x_fill_stretch_glyph_string (s, ROW, AREA, START, END); \ |
06a2c219 | 4859 | x_append_glyph_string (&HEAD, &TAIL, s); \ |
06a2c219 GM |
4860 | s->x = (X); \ |
4861 | } \ | |
4862 | while (0) | |
4863 | ||
4864 | ||
4865 | /* Add a glyph string for an image glyph to the list of strings | |
4866 | between HEAD and TAIL. START is the index of the image glyph in | |
4867 | row area AREA of glyph row ROW. END is the index of the last glyph | |
4868 | in that glyph row area. X is the current output position assigned | |
4869 | to the new glyph string constructed. HL overrides that face of the | |
4870 | glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X | |
4871 | is the right-most x-position of the drawing area. */ | |
4872 | ||
8abee2e1 | 4873 | #define BUILD_IMAGE_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \ |
06a2c219 GM |
4874 | do \ |
4875 | { \ | |
4876 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4877 | x_init_glyph_string (s, NULL, W, ROW, AREA, START, HL); \ | |
4878 | x_fill_image_glyph_string (s); \ | |
4879 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
4880 | ++START; \ | |
4881 | s->x = (X); \ | |
4882 | } \ | |
4883 | while (0) | |
4884 | ||
4885 | ||
4886 | /* Add a glyph string for a sequence of character glyphs to the list | |
4887 | of strings between HEAD and TAIL. START is the index of the first | |
4888 | glyph in row area AREA of glyph row ROW that is part of the new | |
4889 | glyph string. END is the index of the last glyph in that glyph row | |
4890 | area. X is the current output position assigned to the new glyph | |
4891 | string constructed. HL overrides that face of the glyph; e.g. it | |
4892 | is DRAW_CURSOR if a cursor has to be drawn. LAST_X is the | |
4893 | right-most x-position of the drawing area. */ | |
4894 | ||
8abee2e1 | 4895 | #define BUILD_CHAR_GLYPH_STRINGS(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ |
06a2c219 GM |
4896 | do \ |
4897 | { \ | |
3e71d8f2 | 4898 | int c, face_id; \ |
06a2c219 GM |
4899 | XChar2b *char2b; \ |
4900 | \ | |
43d120d8 | 4901 | c = (ROW)->glyphs[AREA][START].u.ch; \ |
43d120d8 | 4902 | face_id = (ROW)->glyphs[AREA][START].face_id; \ |
06a2c219 | 4903 | \ |
b4192550 KH |
4904 | s = (struct glyph_string *) alloca (sizeof *s); \ |
4905 | char2b = (XChar2b *) alloca ((END - START) * sizeof *char2b); \ | |
4906 | x_init_glyph_string (s, char2b, W, ROW, AREA, START, HL); \ | |
4907 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
b4192550 KH |
4908 | s->x = (X); \ |
4909 | START = x_fill_glyph_string (s, face_id, START, END, \ | |
66ac4b0e | 4910 | OVERLAPS_P); \ |
06a2c219 GM |
4911 | } \ |
4912 | while (0) | |
4913 | ||
4914 | ||
b4192550 KH |
4915 | /* Add a glyph string for a composite sequence to the list of strings |
4916 | between HEAD and TAIL. START is the index of the first glyph in | |
4917 | row area AREA of glyph row ROW that is part of the new glyph | |
4918 | string. END is the index of the last glyph in that glyph row area. | |
4919 | X is the current output position assigned to the new glyph string | |
4920 | constructed. HL overrides that face of the glyph; e.g. it is | |
4921 | DRAW_CURSOR if a cursor has to be drawn. LAST_X is the right-most | |
4922 | x-position of the drawing area. */ | |
4923 | ||
6c27ec25 | 4924 | #define BUILD_COMPOSITE_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ |
b4192550 | 4925 | do { \ |
43d120d8 KH |
4926 | int cmp_id = (ROW)->glyphs[AREA][START].u.cmp_id; \ |
4927 | int face_id = (ROW)->glyphs[AREA][START].face_id; \ | |
ee569018 | 4928 | struct face *base_face = FACE_FROM_ID (XFRAME (w->frame), face_id); \ |
b4192550 KH |
4929 | struct composition *cmp = composition_table[cmp_id]; \ |
4930 | int glyph_len = cmp->glyph_len; \ | |
4931 | XChar2b *char2b; \ | |
4932 | struct face **faces; \ | |
4933 | struct glyph_string *first_s = NULL; \ | |
4934 | int n; \ | |
4935 | \ | |
ee569018 | 4936 | base_face = base_face->ascii_face; \ |
b4192550 KH |
4937 | char2b = (XChar2b *) alloca ((sizeof *char2b) * glyph_len); \ |
4938 | faces = (struct face **) alloca ((sizeof *faces) * glyph_len); \ | |
4939 | /* At first, fill in `char2b' and `faces'. */ \ | |
4940 | for (n = 0; n < glyph_len; n++) \ | |
4941 | { \ | |
43d120d8 | 4942 | int c = COMPOSITION_GLYPH (cmp, n); \ |
ee569018 KH |
4943 | int this_face_id = FACE_FOR_CHAR (XFRAME (w->frame), base_face, c); \ |
4944 | faces[n] = FACE_FROM_ID (XFRAME (w->frame), this_face_id); \ | |
4945 | x_get_char_face_and_encoding (XFRAME (w->frame), c, \ | |
4946 | this_face_id, char2b + n, 1); \ | |
b4192550 KH |
4947 | } \ |
4948 | \ | |
4949 | /* Make glyph_strings for each glyph sequence that is drawable by \ | |
4950 | the same face, and append them to HEAD/TAIL. */ \ | |
4951 | for (n = 0; n < cmp->glyph_len;) \ | |
4952 | { \ | |
4953 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4954 | x_init_glyph_string (s, char2b + n, W, ROW, AREA, START, HL); \ | |
4955 | x_append_glyph_string (&(HEAD), &(TAIL), s); \ | |
4956 | s->cmp = cmp; \ | |
4957 | s->gidx = n; \ | |
b4192550 KH |
4958 | s->x = (X); \ |
4959 | \ | |
4960 | if (n == 0) \ | |
4961 | first_s = s; \ | |
4962 | \ | |
4963 | n = x_fill_composite_glyph_string (s, faces, OVERLAPS_P); \ | |
4964 | } \ | |
4965 | \ | |
4966 | ++START; \ | |
4967 | s = first_s; \ | |
4968 | } while (0) | |
4969 | ||
4970 | ||
06a2c219 GM |
4971 | /* Build a list of glyph strings between HEAD and TAIL for the glyphs |
4972 | of AREA of glyph row ROW on window W between indices START and END. | |
4973 | HL overrides the face for drawing glyph strings, e.g. it is | |
4974 | DRAW_CURSOR to draw a cursor. X and LAST_X are start and end | |
4975 | x-positions of the drawing area. | |
4976 | ||
4977 | This is an ugly monster macro construct because we must use alloca | |
4978 | to allocate glyph strings (because x_draw_glyphs can be called | |
4979 | asynchronously). */ | |
4980 | ||
8abee2e1 | 4981 | #define BUILD_GLYPH_STRINGS(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ |
06a2c219 GM |
4982 | do \ |
4983 | { \ | |
4984 | HEAD = TAIL = NULL; \ | |
4985 | while (START < END) \ | |
4986 | { \ | |
4987 | struct glyph *first_glyph = (ROW)->glyphs[AREA] + START; \ | |
4988 | switch (first_glyph->type) \ | |
4989 | { \ | |
4990 | case CHAR_GLYPH: \ | |
4991 | BUILD_CHAR_GLYPH_STRINGS (W, ROW, AREA, START, END, HEAD, \ | |
66ac4b0e GM |
4992 | TAIL, HL, X, LAST_X, \ |
4993 | OVERLAPS_P); \ | |
06a2c219 GM |
4994 | break; \ |
4995 | \ | |
b4192550 KH |
4996 | case COMPOSITE_GLYPH: \ |
4997 | BUILD_COMPOSITE_GLYPH_STRING (W, ROW, AREA, START, END, \ | |
4998 | HEAD, TAIL, HL, X, LAST_X,\ | |
4999 | OVERLAPS_P); \ | |
5000 | break; \ | |
5001 | \ | |
06a2c219 GM |
5002 | case STRETCH_GLYPH: \ |
5003 | BUILD_STRETCH_GLYPH_STRING (W, ROW, AREA, START, END, \ | |
5004 | HEAD, TAIL, HL, X, LAST_X); \ | |
5005 | break; \ | |
5006 | \ | |
5007 | case IMAGE_GLYPH: \ | |
5008 | BUILD_IMAGE_GLYPH_STRING (W, ROW, AREA, START, END, HEAD, \ | |
5009 | TAIL, HL, X, LAST_X); \ | |
5010 | break; \ | |
5011 | \ | |
5012 | default: \ | |
5013 | abort (); \ | |
5014 | } \ | |
5015 | \ | |
5016 | x_set_glyph_string_background_width (s, START, LAST_X); \ | |
5017 | (X) += s->width; \ | |
5018 | } \ | |
5019 | } \ | |
5020 | while (0) | |
5021 | ||
5022 | ||
5023 | /* Draw glyphs between START and END in AREA of ROW on window W, | |
5024 | starting at x-position X. X is relative to AREA in W. HL is a | |
5025 | face-override with the following meaning: | |
5026 | ||
5027 | DRAW_NORMAL_TEXT draw normally | |
5028 | DRAW_CURSOR draw in cursor face | |
5029 | DRAW_MOUSE_FACE draw in mouse face. | |
5030 | DRAW_INVERSE_VIDEO draw in mode line face | |
5031 | DRAW_IMAGE_SUNKEN draw an image with a sunken relief around it | |
5032 | DRAW_IMAGE_RAISED draw an image with a raised relief around it | |
5033 | ||
66ac4b0e GM |
5034 | If OVERLAPS_P is non-zero, draw only the foreground of characters |
5035 | and clip to the physical height of ROW. | |
5036 | ||
06a2c219 GM |
5037 | Value is the x-position reached, relative to AREA of W. */ |
5038 | ||
5039 | static int | |
f0a48a01 | 5040 | x_draw_glyphs (w, x, row, area, start, end, hl, overlaps_p) |
06a2c219 GM |
5041 | struct window *w; |
5042 | int x; | |
5043 | struct glyph_row *row; | |
5044 | enum glyph_row_area area; | |
5045 | int start, end; | |
5046 | enum draw_glyphs_face hl; | |
66ac4b0e | 5047 | int overlaps_p; |
dc6f92b8 | 5048 | { |
06a2c219 GM |
5049 | struct glyph_string *head, *tail; |
5050 | struct glyph_string *s; | |
5051 | int last_x, area_width; | |
5052 | int x_reached; | |
5053 | int i, j; | |
5054 | ||
5055 | /* Let's rather be paranoid than getting a SEGV. */ | |
06a2c219 | 5056 | end = min (end, row->used[area]); |
a8710abf GM |
5057 | start = max (0, start); |
5058 | start = min (end, start); | |
06a2c219 GM |
5059 | |
5060 | /* Translate X to frame coordinates. Set last_x to the right | |
5061 | end of the drawing area. */ | |
5062 | if (row->full_width_p) | |
5063 | { | |
5064 | /* X is relative to the left edge of W, without scroll bars | |
3f332ef3 | 5065 | or fringes. */ |
06a2c219 | 5066 | struct frame *f = XFRAME (w->frame); |
3f332ef3 | 5067 | /* int width = FRAME_FRINGE_WIDTH (f); */ |
06a2c219 | 5068 | int window_left_x = WINDOW_LEFT_MARGIN (w) * CANON_X_UNIT (f); |
dc6f92b8 | 5069 | |
06a2c219 GM |
5070 | x += window_left_x; |
5071 | area_width = XFASTINT (w->width) * CANON_X_UNIT (f); | |
5072 | last_x = window_left_x + area_width; | |
5073 | ||
5074 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
5075 | { | |
110859fc | 5076 | int width = FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f); |
06a2c219 GM |
5077 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) |
5078 | last_x += width; | |
5079 | else | |
5080 | x -= width; | |
5081 | } | |
dc6f92b8 | 5082 | |
b9432a85 | 5083 | x += FRAME_INTERNAL_BORDER_WIDTH (f); |
98fedd97 | 5084 | last_x += FRAME_INTERNAL_BORDER_WIDTH (f); |
06a2c219 GM |
5085 | } |
5086 | else | |
dc6f92b8 | 5087 | { |
06a2c219 GM |
5088 | x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, x); |
5089 | area_width = window_box_width (w, area); | |
5090 | last_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, area_width); | |
dc6f92b8 JB |
5091 | } |
5092 | ||
06a2c219 GM |
5093 | /* Build a doubly-linked list of glyph_string structures between |
5094 | head and tail from what we have to draw. Note that the macro | |
5095 | BUILD_GLYPH_STRINGS will modify its start parameter. That's | |
5096 | the reason we use a separate variable `i'. */ | |
5097 | i = start; | |
66ac4b0e GM |
5098 | BUILD_GLYPH_STRINGS (w, row, area, i, end, head, tail, hl, x, last_x, |
5099 | overlaps_p); | |
06a2c219 GM |
5100 | if (tail) |
5101 | x_reached = tail->x + tail->background_width; | |
5102 | else | |
5103 | x_reached = x; | |
90e65f07 | 5104 | |
06a2c219 GM |
5105 | /* If there are any glyphs with lbearing < 0 or rbearing > width in |
5106 | the row, redraw some glyphs in front or following the glyph | |
5107 | strings built above. */ | |
a8710abf | 5108 | if (head && !overlaps_p && row->contains_overlapping_glyphs_p) |
06a2c219 GM |
5109 | { |
5110 | int dummy_x = 0; | |
5111 | struct glyph_string *h, *t; | |
5112 | ||
5113 | /* Compute overhangs for all glyph strings. */ | |
5114 | for (s = head; s; s = s->next) | |
5115 | x_compute_glyph_string_overhangs (s); | |
5116 | ||
5117 | /* Prepend glyph strings for glyphs in front of the first glyph | |
5118 | string that are overwritten because of the first glyph | |
5119 | string's left overhang. The background of all strings | |
5120 | prepended must be drawn because the first glyph string | |
5121 | draws over it. */ | |
5122 | i = x_left_overwritten (head); | |
5123 | if (i >= 0) | |
5124 | { | |
5125 | j = i; | |
5126 | BUILD_GLYPH_STRINGS (w, row, area, j, start, h, t, | |
66ac4b0e GM |
5127 | DRAW_NORMAL_TEXT, dummy_x, last_x, |
5128 | overlaps_p); | |
06a2c219 | 5129 | start = i; |
06a2c219 GM |
5130 | x_compute_overhangs_and_x (t, head->x, 1); |
5131 | x_prepend_glyph_string_lists (&head, &tail, h, t); | |
5132 | } | |
58769bee | 5133 | |
06a2c219 GM |
5134 | /* Prepend glyph strings for glyphs in front of the first glyph |
5135 | string that overwrite that glyph string because of their | |
5136 | right overhang. For these strings, only the foreground must | |
5137 | be drawn, because it draws over the glyph string at `head'. | |
5138 | The background must not be drawn because this would overwrite | |
5139 | right overhangs of preceding glyphs for which no glyph | |
5140 | strings exist. */ | |
5141 | i = x_left_overwriting (head); | |
5142 | if (i >= 0) | |
5143 | { | |
5144 | BUILD_GLYPH_STRINGS (w, row, area, i, start, h, t, | |
66ac4b0e GM |
5145 | DRAW_NORMAL_TEXT, dummy_x, last_x, |
5146 | overlaps_p); | |
06a2c219 GM |
5147 | for (s = h; s; s = s->next) |
5148 | s->background_filled_p = 1; | |
06a2c219 GM |
5149 | x_compute_overhangs_and_x (t, head->x, 1); |
5150 | x_prepend_glyph_string_lists (&head, &tail, h, t); | |
5151 | } | |
dbcb258a | 5152 | |
06a2c219 GM |
5153 | /* Append glyphs strings for glyphs following the last glyph |
5154 | string tail that are overwritten by tail. The background of | |
5155 | these strings has to be drawn because tail's foreground draws | |
5156 | over it. */ | |
5157 | i = x_right_overwritten (tail); | |
5158 | if (i >= 0) | |
5159 | { | |
5160 | BUILD_GLYPH_STRINGS (w, row, area, end, i, h, t, | |
66ac4b0e GM |
5161 | DRAW_NORMAL_TEXT, x, last_x, |
5162 | overlaps_p); | |
06a2c219 GM |
5163 | x_compute_overhangs_and_x (h, tail->x + tail->width, 0); |
5164 | x_append_glyph_string_lists (&head, &tail, h, t); | |
06a2c219 | 5165 | } |
dc6f92b8 | 5166 | |
06a2c219 GM |
5167 | /* Append glyph strings for glyphs following the last glyph |
5168 | string tail that overwrite tail. The foreground of such | |
5169 | glyphs has to be drawn because it writes into the background | |
5170 | of tail. The background must not be drawn because it could | |
5171 | paint over the foreground of following glyphs. */ | |
5172 | i = x_right_overwriting (tail); | |
5173 | if (i >= 0) | |
5174 | { | |
5175 | BUILD_GLYPH_STRINGS (w, row, area, end, i, h, t, | |
66ac4b0e GM |
5176 | DRAW_NORMAL_TEXT, x, last_x, |
5177 | overlaps_p); | |
06a2c219 GM |
5178 | for (s = h; s; s = s->next) |
5179 | s->background_filled_p = 1; | |
5180 | x_compute_overhangs_and_x (h, tail->x + tail->width, 0); | |
5181 | x_append_glyph_string_lists (&head, &tail, h, t); | |
06a2c219 GM |
5182 | } |
5183 | } | |
58769bee | 5184 | |
06a2c219 GM |
5185 | /* Draw all strings. */ |
5186 | for (s = head; s; s = s->next) | |
5187 | x_draw_glyph_string (s); | |
dc6f92b8 | 5188 | |
bb313871 GM |
5189 | if (area == TEXT_AREA |
5190 | && !row->full_width_p | |
5191 | /* When drawing overlapping rows, only the glyph strings' | |
5192 | foreground is drawn, which doesn't erase a cursor | |
5193 | completely. */ | |
5194 | && !overlaps_p) | |
f0a48a01 GM |
5195 | { |
5196 | int x0 = head ? head->x : x; | |
5197 | int x1 = tail ? tail->x + tail->background_width : x; | |
5198 | ||
5199 | x0 = FRAME_TO_WINDOW_PIXEL_X (w, x0); | |
5200 | x1 = FRAME_TO_WINDOW_PIXEL_X (w, x1); | |
5201 | ||
bb313871 | 5202 | if (XFASTINT (w->left_margin_width) != 0) |
f0a48a01 GM |
5203 | { |
5204 | int left_area_width = window_box_width (w, LEFT_MARGIN_AREA); | |
5205 | x0 -= left_area_width; | |
5206 | x1 -= left_area_width; | |
5207 | } | |
5208 | ||
5209 | notice_overwritten_cursor (w, x0, x1); | |
5210 | } | |
5211 | ||
06a2c219 GM |
5212 | /* Value is the x-position up to which drawn, relative to AREA of W. |
5213 | This doesn't include parts drawn because of overhangs. */ | |
5214 | x_reached = FRAME_TO_WINDOW_PIXEL_X (w, x_reached); | |
5215 | if (!row->full_width_p) | |
5216 | { | |
f0a48a01 | 5217 | if (area > LEFT_MARGIN_AREA && XFASTINT (w->left_margin_width) != 0) |
06a2c219 GM |
5218 | x_reached -= window_box_width (w, LEFT_MARGIN_AREA); |
5219 | if (area > TEXT_AREA) | |
5220 | x_reached -= window_box_width (w, TEXT_AREA); | |
5221 | } | |
a8710abf | 5222 | |
06a2c219 GM |
5223 | return x_reached; |
5224 | } | |
dc6f92b8 | 5225 | |
dc6f92b8 | 5226 | |
66ac4b0e GM |
5227 | /* Fix the display of area AREA of overlapping row ROW in window W. */ |
5228 | ||
5229 | static void | |
5230 | x_fix_overlapping_area (w, row, area) | |
5231 | struct window *w; | |
5232 | struct glyph_row *row; | |
5233 | enum glyph_row_area area; | |
5234 | { | |
5235 | int i, x; | |
5236 | ||
5237 | BLOCK_INPUT; | |
5238 | ||
5239 | if (area == LEFT_MARGIN_AREA) | |
5240 | x = 0; | |
5241 | else if (area == TEXT_AREA) | |
5242 | x = row->x + window_box_width (w, LEFT_MARGIN_AREA); | |
5243 | else | |
5244 | x = (window_box_width (w, LEFT_MARGIN_AREA) | |
5245 | + window_box_width (w, TEXT_AREA)); | |
5246 | ||
5247 | for (i = 0; i < row->used[area];) | |
5248 | { | |
5249 | if (row->glyphs[area][i].overlaps_vertically_p) | |
5250 | { | |
5251 | int start = i, start_x = x; | |
5252 | ||
5253 | do | |
5254 | { | |
5255 | x += row->glyphs[area][i].pixel_width; | |
5256 | ++i; | |
5257 | } | |
5258 | while (i < row->used[area] | |
5259 | && row->glyphs[area][i].overlaps_vertically_p); | |
5260 | ||
5261 | x_draw_glyphs (w, start_x, row, area, start, i, | |
f0a48a01 | 5262 | DRAW_NORMAL_TEXT, 1); |
66ac4b0e GM |
5263 | } |
5264 | else | |
5265 | { | |
5266 | x += row->glyphs[area][i].pixel_width; | |
5267 | ++i; | |
5268 | } | |
5269 | } | |
5270 | ||
5271 | UNBLOCK_INPUT; | |
5272 | } | |
5273 | ||
5274 | ||
06a2c219 GM |
5275 | /* Output LEN glyphs starting at START at the nominal cursor position. |
5276 | Advance the nominal cursor over the text. The global variable | |
5277 | updated_window contains the window being updated, updated_row is | |
5278 | the glyph row being updated, and updated_area is the area of that | |
5279 | row being updated. */ | |
dc6f92b8 | 5280 | |
06a2c219 GM |
5281 | static void |
5282 | x_write_glyphs (start, len) | |
5283 | struct glyph *start; | |
5284 | int len; | |
5285 | { | |
f0a48a01 | 5286 | int x, hpos; |
d9cdbb3d | 5287 | |
06a2c219 | 5288 | xassert (updated_window && updated_row); |
dc6f92b8 | 5289 | BLOCK_INPUT; |
06a2c219 GM |
5290 | |
5291 | /* Write glyphs. */ | |
dc6f92b8 | 5292 | |
06a2c219 GM |
5293 | hpos = start - updated_row->glyphs[updated_area]; |
5294 | x = x_draw_glyphs (updated_window, output_cursor.x, | |
5295 | updated_row, updated_area, | |
5296 | hpos, hpos + len, | |
f0a48a01 | 5297 | DRAW_NORMAL_TEXT, 0); |
dc6f92b8 JB |
5298 | |
5299 | UNBLOCK_INPUT; | |
06a2c219 GM |
5300 | |
5301 | /* Advance the output cursor. */ | |
5302 | output_cursor.hpos += len; | |
5303 | output_cursor.x = x; | |
dc6f92b8 JB |
5304 | } |
5305 | ||
0cdd0c9f | 5306 | |
06a2c219 | 5307 | /* Insert LEN glyphs from START at the nominal cursor position. */ |
0cdd0c9f | 5308 | |
06a2c219 GM |
5309 | static void |
5310 | x_insert_glyphs (start, len) | |
5311 | struct glyph *start; | |
5312 | register int len; | |
5313 | { | |
5314 | struct frame *f; | |
5315 | struct window *w; | |
5316 | int line_height, shift_by_width, shifted_region_width; | |
5317 | struct glyph_row *row; | |
5318 | struct glyph *glyph; | |
2beb36f9 | 5319 | int frame_x, frame_y, hpos; |
58769bee | 5320 | |
06a2c219 | 5321 | xassert (updated_window && updated_row); |
0cdd0c9f | 5322 | BLOCK_INPUT; |
06a2c219 GM |
5323 | w = updated_window; |
5324 | f = XFRAME (WINDOW_FRAME (w)); | |
5325 | ||
5326 | /* Get the height of the line we are in. */ | |
5327 | row = updated_row; | |
5328 | line_height = row->height; | |
5329 | ||
5330 | /* Get the width of the glyphs to insert. */ | |
5331 | shift_by_width = 0; | |
5332 | for (glyph = start; glyph < start + len; ++glyph) | |
5333 | shift_by_width += glyph->pixel_width; | |
5334 | ||
5335 | /* Get the width of the region to shift right. */ | |
5336 | shifted_region_width = (window_box_width (w, updated_area) | |
5337 | - output_cursor.x | |
5338 | - shift_by_width); | |
5339 | ||
5340 | /* Shift right. */ | |
bf0ab8a2 | 5341 | frame_x = window_box_left (w, updated_area) + output_cursor.x; |
06a2c219 GM |
5342 | frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, output_cursor.y); |
5343 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), FRAME_X_WINDOW (f), | |
5344 | f->output_data.x->normal_gc, | |
5345 | frame_x, frame_y, | |
5346 | shifted_region_width, line_height, | |
5347 | frame_x + shift_by_width, frame_y); | |
5348 | ||
5349 | /* Write the glyphs. */ | |
5350 | hpos = start - row->glyphs[updated_area]; | |
5351 | x_draw_glyphs (w, output_cursor.x, row, updated_area, hpos, hpos + len, | |
f0a48a01 | 5352 | DRAW_NORMAL_TEXT, 0); |
06a2c219 GM |
5353 | |
5354 | /* Advance the output cursor. */ | |
5355 | output_cursor.hpos += len; | |
5356 | output_cursor.x += shift_by_width; | |
0cdd0c9f RS |
5357 | UNBLOCK_INPUT; |
5358 | } | |
0cdd0c9f | 5359 | |
0cdd0c9f | 5360 | |
06a2c219 GM |
5361 | /* Delete N glyphs at the nominal cursor position. Not implemented |
5362 | for X frames. */ | |
c83febd7 RS |
5363 | |
5364 | static void | |
06a2c219 GM |
5365 | x_delete_glyphs (n) |
5366 | register int n; | |
c83febd7 | 5367 | { |
06a2c219 | 5368 | abort (); |
c83febd7 RS |
5369 | } |
5370 | ||
0cdd0c9f | 5371 | |
c5e6e06b GM |
5372 | /* Like XClearArea, but check that WIDTH and HEIGHT are reasonable. |
5373 | If they are <= 0, this is probably an error. */ | |
5374 | ||
5375 | void | |
5376 | x_clear_area (dpy, window, x, y, width, height, exposures) | |
5377 | Display *dpy; | |
5378 | Window window; | |
5379 | int x, y; | |
5380 | int width, height; | |
5381 | int exposures; | |
5382 | { | |
5383 | xassert (width > 0 && height > 0); | |
5384 | XClearArea (dpy, window, x, y, width, height, exposures); | |
5385 | } | |
5386 | ||
5387 | ||
06a2c219 GM |
5388 | /* Erase the current text line from the nominal cursor position |
5389 | (inclusive) to pixel column TO_X (exclusive). The idea is that | |
5390 | everything from TO_X onward is already erased. | |
5391 | ||
5392 | TO_X is a pixel position relative to updated_area of | |
5393 | updated_window. TO_X == -1 means clear to the end of this area. */ | |
dc6f92b8 | 5394 | |
06a2c219 GM |
5395 | static void |
5396 | x_clear_end_of_line (to_x) | |
5397 | int to_x; | |
5398 | { | |
5399 | struct frame *f; | |
5400 | struct window *w = updated_window; | |
5401 | int max_x, min_y, max_y; | |
5402 | int from_x, from_y, to_y; | |
5403 | ||
5404 | xassert (updated_window && updated_row); | |
5405 | f = XFRAME (w->frame); | |
5406 | ||
5407 | if (updated_row->full_width_p) | |
5408 | { | |
5409 | max_x = XFASTINT (w->width) * CANON_X_UNIT (f); | |
5410 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
5411 | && !w->pseudo_window_p) | |
5412 | max_x += FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f); | |
0cdd0c9f | 5413 | } |
06a2c219 GM |
5414 | else |
5415 | max_x = window_box_width (w, updated_area); | |
5416 | max_y = window_text_bottom_y (w); | |
dc6f92b8 | 5417 | |
06a2c219 GM |
5418 | /* TO_X == 0 means don't do anything. TO_X < 0 means clear to end |
5419 | of window. For TO_X > 0, truncate to end of drawing area. */ | |
5420 | if (to_x == 0) | |
5421 | return; | |
5422 | else if (to_x < 0) | |
5423 | to_x = max_x; | |
5424 | else | |
5425 | to_x = min (to_x, max_x); | |
dbc4e1c1 | 5426 | |
06a2c219 GM |
5427 | to_y = min (max_y, output_cursor.y + updated_row->height); |
5428 | ||
5429 | /* Notice if the cursor will be cleared by this operation. */ | |
5430 | if (!updated_row->full_width_p) | |
f0a48a01 | 5431 | notice_overwritten_cursor (w, output_cursor.x, -1); |
dbc4e1c1 | 5432 | |
06a2c219 GM |
5433 | from_x = output_cursor.x; |
5434 | ||
5435 | /* Translate to frame coordinates. */ | |
5436 | if (updated_row->full_width_p) | |
5437 | { | |
5438 | from_x = WINDOW_TO_FRAME_PIXEL_X (w, from_x); | |
5439 | to_x = WINDOW_TO_FRAME_PIXEL_X (w, to_x); | |
5440 | } | |
0cdd0c9f RS |
5441 | else |
5442 | { | |
06a2c219 GM |
5443 | from_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, from_x); |
5444 | to_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, to_x); | |
5445 | } | |
5446 | ||
045dee35 | 5447 | min_y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); |
06a2c219 GM |
5448 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, max (min_y, output_cursor.y)); |
5449 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, to_y); | |
5450 | ||
5451 | /* Prevent inadvertently clearing to end of the X window. */ | |
5452 | if (to_x > from_x && to_y > from_y) | |
5453 | { | |
5454 | BLOCK_INPUT; | |
c5e6e06b GM |
5455 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
5456 | from_x, from_y, to_x - from_x, to_y - from_y, | |
5457 | False); | |
06a2c219 | 5458 | UNBLOCK_INPUT; |
0cdd0c9f | 5459 | } |
0cdd0c9f | 5460 | } |
dbc4e1c1 | 5461 | |
0cdd0c9f | 5462 | |
06a2c219 | 5463 | /* Clear entire frame. If updating_frame is non-null, clear that |
b86bd3dd | 5464 | frame. Otherwise clear the selected frame. */ |
06a2c219 GM |
5465 | |
5466 | static void | |
5467 | x_clear_frame () | |
0cdd0c9f | 5468 | { |
06a2c219 | 5469 | struct frame *f; |
0cdd0c9f | 5470 | |
06a2c219 GM |
5471 | if (updating_frame) |
5472 | f = updating_frame; | |
0cdd0c9f | 5473 | else |
b86bd3dd | 5474 | f = SELECTED_FRAME (); |
58769bee | 5475 | |
06a2c219 GM |
5476 | /* Clearing the frame will erase any cursor, so mark them all as no |
5477 | longer visible. */ | |
5478 | mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f))); | |
5479 | output_cursor.hpos = output_cursor.vpos = 0; | |
5480 | output_cursor.x = -1; | |
5481 | ||
5482 | /* We don't set the output cursor here because there will always | |
5483 | follow an explicit cursor_to. */ | |
5484 | BLOCK_INPUT; | |
5485 | XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); | |
5486 | ||
5487 | /* We have to clear the scroll bars, too. If we have changed | |
5488 | colors or something like that, then they should be notified. */ | |
5489 | x_scroll_bar_clear (f); | |
0cdd0c9f | 5490 | |
06a2c219 GM |
5491 | XFlush (FRAME_X_DISPLAY (f)); |
5492 | UNBLOCK_INPUT; | |
dc6f92b8 | 5493 | } |
06a2c219 GM |
5494 | |
5495 | ||
dc6f92b8 | 5496 | \f |
dbc4e1c1 JB |
5497 | /* Invert the middle quarter of the frame for .15 sec. */ |
5498 | ||
06a2c219 GM |
5499 | /* We use the select system call to do the waiting, so we have to make |
5500 | sure it's available. If it isn't, we just won't do visual bells. */ | |
5501 | ||
dbc4e1c1 JB |
5502 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
5503 | ||
06a2c219 GM |
5504 | |
5505 | /* Subtract the `struct timeval' values X and Y, storing the result in | |
5506 | *RESULT. Return 1 if the difference is negative, otherwise 0. */ | |
dbc4e1c1 JB |
5507 | |
5508 | static int | |
5509 | timeval_subtract (result, x, y) | |
5510 | struct timeval *result, x, y; | |
5511 | { | |
06a2c219 GM |
5512 | /* Perform the carry for the later subtraction by updating y. This |
5513 | is safer because on some systems the tv_sec member is unsigned. */ | |
dbc4e1c1 JB |
5514 | if (x.tv_usec < y.tv_usec) |
5515 | { | |
5516 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
5517 | y.tv_usec -= 1000000 * nsec; | |
5518 | y.tv_sec += nsec; | |
5519 | } | |
06a2c219 | 5520 | |
dbc4e1c1 JB |
5521 | if (x.tv_usec - y.tv_usec > 1000000) |
5522 | { | |
5523 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
5524 | y.tv_usec += 1000000 * nsec; | |
5525 | y.tv_sec -= nsec; | |
5526 | } | |
5527 | ||
06a2c219 GM |
5528 | /* Compute the time remaining to wait. tv_usec is certainly |
5529 | positive. */ | |
dbc4e1c1 JB |
5530 | result->tv_sec = x.tv_sec - y.tv_sec; |
5531 | result->tv_usec = x.tv_usec - y.tv_usec; | |
5532 | ||
06a2c219 GM |
5533 | /* Return indication of whether the result should be considered |
5534 | negative. */ | |
dbc4e1c1 JB |
5535 | return x.tv_sec < y.tv_sec; |
5536 | } | |
dc6f92b8 | 5537 | |
dfcf069d | 5538 | void |
f676886a JB |
5539 | XTflash (f) |
5540 | struct frame *f; | |
dc6f92b8 | 5541 | { |
dbc4e1c1 | 5542 | BLOCK_INPUT; |
dc6f92b8 | 5543 | |
dbc4e1c1 JB |
5544 | { |
5545 | GC gc; | |
dc6f92b8 | 5546 | |
06a2c219 GM |
5547 | /* Create a GC that will use the GXxor function to flip foreground |
5548 | pixels into background pixels. */ | |
dbc4e1c1 JB |
5549 | { |
5550 | XGCValues values; | |
dc6f92b8 | 5551 | |
dbc4e1c1 | 5552 | values.function = GXxor; |
7556890b RS |
5553 | values.foreground = (f->output_data.x->foreground_pixel |
5554 | ^ f->output_data.x->background_pixel); | |
58769bee | 5555 | |
334208b7 | 5556 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
5557 | GCFunction | GCForeground, &values); |
5558 | } | |
dc6f92b8 | 5559 | |
dbc4e1c1 | 5560 | { |
e84e14c3 RS |
5561 | /* Get the height not including a menu bar widget. */ |
5562 | int height = CHAR_TO_PIXEL_HEIGHT (f, FRAME_HEIGHT (f)); | |
5563 | /* Height of each line to flash. */ | |
5564 | int flash_height = FRAME_LINE_HEIGHT (f); | |
5565 | /* These will be the left and right margins of the rectangles. */ | |
5566 | int flash_left = FRAME_INTERNAL_BORDER_WIDTH (f); | |
5567 | int flash_right = PIXEL_WIDTH (f) - FRAME_INTERNAL_BORDER_WIDTH (f); | |
5568 | ||
5569 | int width; | |
5570 | ||
5571 | /* Don't flash the area between a scroll bar and the frame | |
5572 | edge it is next to. */ | |
5573 | switch (FRAME_VERTICAL_SCROLL_BAR_TYPE (f)) | |
5574 | { | |
5575 | case vertical_scroll_bar_left: | |
5576 | flash_left += VERTICAL_SCROLL_BAR_WIDTH_TRIM; | |
5577 | break; | |
5578 | ||
5579 | case vertical_scroll_bar_right: | |
5580 | flash_right -= VERTICAL_SCROLL_BAR_WIDTH_TRIM; | |
5581 | break; | |
06a2c219 GM |
5582 | |
5583 | default: | |
5584 | break; | |
e84e14c3 RS |
5585 | } |
5586 | ||
5587 | width = flash_right - flash_left; | |
5588 | ||
5589 | /* If window is tall, flash top and bottom line. */ | |
5590 | if (height > 3 * FRAME_LINE_HEIGHT (f)) | |
5591 | { | |
5592 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
06a2c219 GM |
5593 | flash_left, |
5594 | (FRAME_INTERNAL_BORDER_WIDTH (f) | |
9ea173e8 | 5595 | + FRAME_TOOL_BAR_LINES (f) * CANON_Y_UNIT (f)), |
e84e14c3 RS |
5596 | width, flash_height); |
5597 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
5598 | flash_left, | |
5599 | (height - flash_height | |
5600 | - FRAME_INTERNAL_BORDER_WIDTH (f)), | |
5601 | width, flash_height); | |
5602 | } | |
5603 | else | |
5604 | /* If it is short, flash it all. */ | |
5605 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
5606 | flash_left, FRAME_INTERNAL_BORDER_WIDTH (f), | |
5607 | width, height - 2 * FRAME_INTERNAL_BORDER_WIDTH (f)); | |
dc6f92b8 | 5608 | |
06a2c219 | 5609 | x_flush (f); |
dc6f92b8 | 5610 | |
dbc4e1c1 | 5611 | { |
06a2c219 | 5612 | struct timeval wakeup; |
dc6f92b8 | 5613 | |
66c30ea1 | 5614 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 5615 | |
dbc4e1c1 JB |
5616 | /* Compute time to wait until, propagating carry from usecs. */ |
5617 | wakeup.tv_usec += 150000; | |
5618 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
5619 | wakeup.tv_usec %= 1000000; | |
5620 | ||
101922c3 GM |
5621 | /* Keep waiting until past the time wakeup or any input gets |
5622 | available. */ | |
5623 | while (! detect_input_pending ()) | |
dbc4e1c1 | 5624 | { |
101922c3 | 5625 | struct timeval current; |
dbc4e1c1 JB |
5626 | struct timeval timeout; |
5627 | ||
101922c3 | 5628 | EMACS_GET_TIME (current); |
dbc4e1c1 | 5629 | |
101922c3 GM |
5630 | /* Break if result would be negative. */ |
5631 | if (timeval_subtract (¤t, wakeup, current)) | |
dbc4e1c1 JB |
5632 | break; |
5633 | ||
101922c3 GM |
5634 | /* How long `select' should wait. */ |
5635 | timeout.tv_sec = 0; | |
5636 | timeout.tv_usec = 10000; | |
5637 | ||
dbc4e1c1 | 5638 | /* Try to wait that long--but we might wake up sooner. */ |
c32cdd9a | 5639 | select (0, NULL, NULL, NULL, &timeout); |
dbc4e1c1 JB |
5640 | } |
5641 | } | |
58769bee | 5642 | |
e84e14c3 RS |
5643 | /* If window is tall, flash top and bottom line. */ |
5644 | if (height > 3 * FRAME_LINE_HEIGHT (f)) | |
5645 | { | |
5646 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
06a2c219 GM |
5647 | flash_left, |
5648 | (FRAME_INTERNAL_BORDER_WIDTH (f) | |
9ea173e8 | 5649 | + FRAME_TOOL_BAR_LINES (f) * CANON_Y_UNIT (f)), |
e84e14c3 RS |
5650 | width, flash_height); |
5651 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
5652 | flash_left, | |
5653 | (height - flash_height | |
5654 | - FRAME_INTERNAL_BORDER_WIDTH (f)), | |
5655 | width, flash_height); | |
5656 | } | |
5657 | else | |
5658 | /* If it is short, flash it all. */ | |
5659 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
5660 | flash_left, FRAME_INTERNAL_BORDER_WIDTH (f), | |
5661 | width, height - 2 * FRAME_INTERNAL_BORDER_WIDTH (f)); | |
5662 | ||
334208b7 | 5663 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
06a2c219 | 5664 | x_flush (f); |
dc6f92b8 | 5665 | } |
dbc4e1c1 JB |
5666 | } |
5667 | ||
5668 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
5669 | } |
5670 | ||
06a2c219 | 5671 | #endif /* defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) */ |
dbc4e1c1 JB |
5672 | |
5673 | ||
dc6f92b8 JB |
5674 | /* Make audible bell. */ |
5675 | ||
dfcf069d | 5676 | void |
dc6f92b8 JB |
5677 | XTring_bell () |
5678 | { | |
b86bd3dd GM |
5679 | struct frame *f = SELECTED_FRAME (); |
5680 | ||
5681 | if (FRAME_X_DISPLAY (f)) | |
5682 | { | |
dbc4e1c1 | 5683 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
b86bd3dd GM |
5684 | if (visible_bell) |
5685 | XTflash (f); | |
5686 | else | |
dbc4e1c1 | 5687 | #endif |
b86bd3dd GM |
5688 | { |
5689 | BLOCK_INPUT; | |
5690 | XBell (FRAME_X_DISPLAY (f), 0); | |
5691 | XFlush (FRAME_X_DISPLAY (f)); | |
5692 | UNBLOCK_INPUT; | |
5693 | } | |
dc6f92b8 JB |
5694 | } |
5695 | } | |
06a2c219 | 5696 | |
dc6f92b8 | 5697 | \f |
06a2c219 GM |
5698 | /* Specify how many text lines, from the top of the window, |
5699 | should be affected by insert-lines and delete-lines operations. | |
5700 | This, and those operations, are used only within an update | |
5701 | that is bounded by calls to x_update_begin and x_update_end. */ | |
dc6f92b8 | 5702 | |
dfcf069d | 5703 | static void |
06a2c219 GM |
5704 | XTset_terminal_window (n) |
5705 | register int n; | |
dc6f92b8 | 5706 | { |
06a2c219 | 5707 | /* This function intentionally left blank. */ |
dc6f92b8 JB |
5708 | } |
5709 | ||
06a2c219 GM |
5710 | |
5711 | \f | |
5712 | /*********************************************************************** | |
5713 | Line Dance | |
5714 | ***********************************************************************/ | |
5715 | ||
5716 | /* Perform an insert-lines or delete-lines operation, inserting N | |
5717 | lines or deleting -N lines at vertical position VPOS. */ | |
5718 | ||
dfcf069d | 5719 | static void |
06a2c219 GM |
5720 | x_ins_del_lines (vpos, n) |
5721 | int vpos, n; | |
dc6f92b8 JB |
5722 | { |
5723 | abort (); | |
5724 | } | |
06a2c219 GM |
5725 | |
5726 | ||
5727 | /* Scroll part of the display as described by RUN. */ | |
dc6f92b8 | 5728 | |
dfcf069d | 5729 | static void |
06a2c219 GM |
5730 | x_scroll_run (w, run) |
5731 | struct window *w; | |
5732 | struct run *run; | |
dc6f92b8 | 5733 | { |
06a2c219 GM |
5734 | struct frame *f = XFRAME (w->frame); |
5735 | int x, y, width, height, from_y, to_y, bottom_y; | |
5736 | ||
5737 | /* Get frame-relative bounding box of the text display area of W, | |
3f332ef3 KS |
5738 | without mode lines. Include in this box the left and right |
5739 | fringe of W. */ | |
06a2c219 | 5740 | window_box (w, -1, &x, &y, &width, &height); |
3f332ef3 KS |
5741 | width += FRAME_X_FRINGE_WIDTH (f); |
5742 | x -= FRAME_X_LEFT_FRINGE_WIDTH (f); | |
06a2c219 GM |
5743 | |
5744 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y); | |
5745 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y); | |
5746 | bottom_y = y + height; | |
dc6f92b8 | 5747 | |
06a2c219 GM |
5748 | if (to_y < from_y) |
5749 | { | |
5750 | /* Scrolling up. Make sure we don't copy part of the mode | |
5751 | line at the bottom. */ | |
5752 | if (from_y + run->height > bottom_y) | |
5753 | height = bottom_y - from_y; | |
5754 | else | |
5755 | height = run->height; | |
5756 | } | |
dc6f92b8 | 5757 | else |
06a2c219 GM |
5758 | { |
5759 | /* Scolling down. Make sure we don't copy over the mode line. | |
5760 | at the bottom. */ | |
5761 | if (to_y + run->height > bottom_y) | |
5762 | height = bottom_y - to_y; | |
5763 | else | |
5764 | height = run->height; | |
5765 | } | |
7a13e894 | 5766 | |
06a2c219 GM |
5767 | BLOCK_INPUT; |
5768 | ||
5769 | /* Cursor off. Will be switched on again in x_update_window_end. */ | |
5770 | updated_window = w; | |
5771 | x_clear_cursor (w); | |
5772 | ||
5773 | XCopyArea (FRAME_X_DISPLAY (f), | |
5774 | FRAME_X_WINDOW (f), FRAME_X_WINDOW (f), | |
5775 | f->output_data.x->normal_gc, | |
5776 | x, from_y, | |
5777 | width, height, | |
5778 | x, to_y); | |
5779 | ||
5780 | UNBLOCK_INPUT; | |
5781 | } | |
dc6f92b8 | 5782 | |
dc6f92b8 | 5783 | |
06a2c219 GM |
5784 | \f |
5785 | /*********************************************************************** | |
5786 | Exposure Events | |
5787 | ***********************************************************************/ | |
5788 | ||
5789 | /* Redisplay an exposed area of frame F. X and Y are the upper-left | |
5790 | corner of the exposed rectangle. W and H are width and height of | |
5791 | the exposed area. All are pixel values. W or H zero means redraw | |
5792 | the entire frame. */ | |
dc6f92b8 | 5793 | |
06a2c219 GM |
5794 | static void |
5795 | expose_frame (f, x, y, w, h) | |
5796 | struct frame *f; | |
5797 | int x, y, w, h; | |
dc6f92b8 | 5798 | { |
06a2c219 | 5799 | XRectangle r; |
82f053ab | 5800 | int mouse_face_overwritten_p = 0; |
dc6f92b8 | 5801 | |
06a2c219 | 5802 | TRACE ((stderr, "expose_frame ")); |
dc6f92b8 | 5803 | |
06a2c219 GM |
5804 | /* No need to redraw if frame will be redrawn soon. */ |
5805 | if (FRAME_GARBAGED_P (f)) | |
dc6f92b8 | 5806 | { |
06a2c219 GM |
5807 | TRACE ((stderr, " garbaged\n")); |
5808 | return; | |
5809 | } | |
5810 | ||
5811 | /* If basic faces haven't been realized yet, there is no point in | |
5812 | trying to redraw anything. This can happen when we get an expose | |
5813 | event while Emacs is starting, e.g. by moving another window. */ | |
5814 | if (FRAME_FACE_CACHE (f) == NULL | |
5815 | || FRAME_FACE_CACHE (f)->used < BASIC_FACE_ID_SENTINEL) | |
5816 | { | |
5817 | TRACE ((stderr, " no faces\n")); | |
5818 | return; | |
58769bee | 5819 | } |
06a2c219 GM |
5820 | |
5821 | if (w == 0 || h == 0) | |
58769bee | 5822 | { |
06a2c219 GM |
5823 | r.x = r.y = 0; |
5824 | r.width = CANON_X_UNIT (f) * f->width; | |
5825 | r.height = CANON_Y_UNIT (f) * f->height; | |
dc6f92b8 JB |
5826 | } |
5827 | else | |
5828 | { | |
06a2c219 GM |
5829 | r.x = x; |
5830 | r.y = y; | |
5831 | r.width = w; | |
5832 | r.height = h; | |
5833 | } | |
5834 | ||
5835 | TRACE ((stderr, "(%d, %d, %d, %d)\n", r.x, r.y, r.width, r.height)); | |
82f053ab | 5836 | mouse_face_overwritten_p = expose_window_tree (XWINDOW (f->root_window), &r); |
06a2c219 | 5837 | |
9ea173e8 | 5838 | if (WINDOWP (f->tool_bar_window)) |
82f053ab GM |
5839 | mouse_face_overwritten_p |
5840 | |= expose_window (XWINDOW (f->tool_bar_window), &r); | |
06a2c219 GM |
5841 | |
5842 | #ifndef USE_X_TOOLKIT | |
5843 | if (WINDOWP (f->menu_bar_window)) | |
82f053ab GM |
5844 | mouse_face_overwritten_p |
5845 | |= expose_window (XWINDOW (f->menu_bar_window), &r); | |
06a2c219 | 5846 | #endif /* not USE_X_TOOLKIT */ |
82f053ab GM |
5847 | |
5848 | /* Some window managers support a focus-follows-mouse style with | |
5849 | delayed raising of frames. Imagine a partially obscured frame, | |
5850 | and moving the mouse into partially obscured mouse-face on that | |
5851 | frame. The visible part of the mouse-face will be highlighted, | |
5852 | then the WM raises the obscured frame. With at least one WM, KDE | |
5853 | 2.1, Emacs is not getting any event for the raising of the frame | |
5854 | (even tried with SubstructureRedirectMask), only Expose events. | |
5855 | These expose events will draw text normally, i.e. not | |
5856 | highlighted. Which means we must redo the highlight here. | |
5857 | Subsume it under ``we love X''. --gerd 2001-08-15 */ | |
5858 | if (mouse_face_overwritten_p && !FRAME_GARBAGED_P (f)) | |
5859 | { | |
5860 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
5861 | if (f == dpyinfo->mouse_face_mouse_frame) | |
5862 | { | |
5863 | int x = dpyinfo->mouse_face_mouse_x; | |
5864 | int y = dpyinfo->mouse_face_mouse_y; | |
5865 | clear_mouse_face (dpyinfo); | |
5866 | note_mouse_highlight (f, x, y); | |
5867 | } | |
5868 | } | |
dc6f92b8 JB |
5869 | } |
5870 | ||
06a2c219 GM |
5871 | |
5872 | /* Redraw (parts) of all windows in the window tree rooted at W that | |
82f053ab GM |
5873 | intersect R. R contains frame pixel coordinates. Value is |
5874 | non-zero if the exposure overwrites mouse-face. */ | |
06a2c219 | 5875 | |
82f053ab | 5876 | static int |
06a2c219 GM |
5877 | expose_window_tree (w, r) |
5878 | struct window *w; | |
5879 | XRectangle *r; | |
dc6f92b8 | 5880 | { |
82f053ab GM |
5881 | struct frame *f = XFRAME (w->frame); |
5882 | int mouse_face_overwritten_p = 0; | |
5883 | ||
5884 | while (w && !FRAME_GARBAGED_P (f)) | |
06a2c219 GM |
5885 | { |
5886 | if (!NILP (w->hchild)) | |
82f053ab GM |
5887 | mouse_face_overwritten_p |
5888 | |= expose_window_tree (XWINDOW (w->hchild), r); | |
06a2c219 | 5889 | else if (!NILP (w->vchild)) |
82f053ab GM |
5890 | mouse_face_overwritten_p |
5891 | |= expose_window_tree (XWINDOW (w->vchild), r); | |
5892 | else | |
5893 | mouse_face_overwritten_p |= expose_window (w, r); | |
5894 | ||
a02f1be0 | 5895 | w = NILP (w->next) ? NULL : XWINDOW (w->next); |
06a2c219 | 5896 | } |
82f053ab GM |
5897 | |
5898 | return mouse_face_overwritten_p; | |
06a2c219 | 5899 | } |
58769bee | 5900 | |
dc6f92b8 | 5901 | |
06a2c219 GM |
5902 | /* Redraw the part of glyph row area AREA of glyph row ROW on window W |
5903 | which intersects rectangle R. R is in window-relative coordinates. */ | |
5904 | ||
5905 | static void | |
5906 | expose_area (w, row, r, area) | |
5907 | struct window *w; | |
5908 | struct glyph_row *row; | |
5909 | XRectangle *r; | |
5910 | enum glyph_row_area area; | |
5911 | { | |
06a2c219 GM |
5912 | struct glyph *first = row->glyphs[area]; |
5913 | struct glyph *end = row->glyphs[area] + row->used[area]; | |
5914 | struct glyph *last; | |
4bc6dcc7 | 5915 | int first_x, start_x, x; |
06a2c219 | 5916 | |
6fb13182 GM |
5917 | if (area == TEXT_AREA && row->fill_line_p) |
5918 | /* If row extends face to end of line write the whole line. */ | |
153f5ed7 | 5919 | x_draw_glyphs (w, 0, row, area, 0, row->used[area], |
f0a48a01 | 5920 | DRAW_NORMAL_TEXT, 0); |
6fb13182 GM |
5921 | else |
5922 | { | |
4bc6dcc7 GM |
5923 | /* Set START_X to the window-relative start position for drawing glyphs of |
5924 | AREA. The first glyph of the text area can be partially visible. | |
5925 | The first glyphs of other areas cannot. */ | |
5926 | if (area == LEFT_MARGIN_AREA) | |
5927 | start_x = 0; | |
5928 | else if (area == TEXT_AREA) | |
5929 | start_x = row->x + window_box_width (w, LEFT_MARGIN_AREA); | |
5930 | else | |
5931 | start_x = (window_box_width (w, LEFT_MARGIN_AREA) | |
5932 | + window_box_width (w, TEXT_AREA)); | |
5933 | x = start_x; | |
5934 | ||
6fb13182 GM |
5935 | /* Find the first glyph that must be redrawn. */ |
5936 | while (first < end | |
5937 | && x + first->pixel_width < r->x) | |
5938 | { | |
5939 | x += first->pixel_width; | |
5940 | ++first; | |
5941 | } | |
5942 | ||
5943 | /* Find the last one. */ | |
5944 | last = first; | |
5945 | first_x = x; | |
5946 | while (last < end | |
5947 | && x < r->x + r->width) | |
5948 | { | |
5949 | x += last->pixel_width; | |
5950 | ++last; | |
5951 | } | |
5952 | ||
5953 | /* Repaint. */ | |
5954 | if (last > first) | |
4bc6dcc7 | 5955 | x_draw_glyphs (w, first_x - start_x, row, area, |
6fb13182 GM |
5956 | first - row->glyphs[area], |
5957 | last - row->glyphs[area], | |
f0a48a01 | 5958 | DRAW_NORMAL_TEXT, 0); |
6fb13182 | 5959 | } |
06a2c219 GM |
5960 | } |
5961 | ||
58769bee | 5962 | |
06a2c219 | 5963 | /* Redraw the parts of the glyph row ROW on window W intersecting |
82f053ab GM |
5964 | rectangle R. R is in window-relative coordinates. Value is |
5965 | non-zero if mouse-face was overwritten. */ | |
dc6f92b8 | 5966 | |
82f053ab | 5967 | static int |
06a2c219 GM |
5968 | expose_line (w, row, r) |
5969 | struct window *w; | |
5970 | struct glyph_row *row; | |
5971 | XRectangle *r; | |
5972 | { | |
5973 | xassert (row->enabled_p); | |
5974 | ||
5975 | if (row->mode_line_p || w->pseudo_window_p) | |
5976 | x_draw_glyphs (w, 0, row, TEXT_AREA, 0, row->used[TEXT_AREA], | |
f0a48a01 | 5977 | DRAW_NORMAL_TEXT, 0); |
06a2c219 GM |
5978 | else |
5979 | { | |
5980 | if (row->used[LEFT_MARGIN_AREA]) | |
5981 | expose_area (w, row, r, LEFT_MARGIN_AREA); | |
5982 | if (row->used[TEXT_AREA]) | |
5983 | expose_area (w, row, r, TEXT_AREA); | |
5984 | if (row->used[RIGHT_MARGIN_AREA]) | |
5985 | expose_area (w, row, r, RIGHT_MARGIN_AREA); | |
3f332ef3 | 5986 | x_draw_row_fringe_bitmaps (w, row); |
06a2c219 | 5987 | } |
82f053ab GM |
5988 | |
5989 | return row->mouse_face_p; | |
06a2c219 | 5990 | } |
dc6f92b8 | 5991 | |
58769bee | 5992 | |
06a2c219 GM |
5993 | /* Return non-zero if W's cursor intersects rectangle R. */ |
5994 | ||
5995 | static int | |
5996 | x_phys_cursor_in_rect_p (w, r) | |
5997 | struct window *w; | |
5998 | XRectangle *r; | |
5999 | { | |
6000 | XRectangle cr, result; | |
6001 | struct glyph *cursor_glyph; | |
6002 | ||
6003 | cursor_glyph = get_phys_cursor_glyph (w); | |
6004 | if (cursor_glyph) | |
6005 | { | |
6006 | cr.x = w->phys_cursor.x; | |
6007 | cr.y = w->phys_cursor.y; | |
6008 | cr.width = cursor_glyph->pixel_width; | |
6009 | cr.height = w->phys_cursor_height; | |
6010 | return x_intersect_rectangles (&cr, r, &result); | |
6011 | } | |
6012 | else | |
6013 | return 0; | |
dc6f92b8 | 6014 | } |
dc6f92b8 | 6015 | |
06a2c219 | 6016 | |
a02f1be0 GM |
6017 | /* Redraw the part of window W intersection rectangle FR. Pixel |
6018 | coordinates in FR are frame-relative. Call this function with | |
82f053ab GM |
6019 | input blocked. Value is non-zero if the exposure overwrites |
6020 | mouse-face. */ | |
dc6f92b8 | 6021 | |
a39202f6 | 6022 | static int |
a02f1be0 | 6023 | expose_window (w, fr) |
06a2c219 | 6024 | struct window *w; |
a02f1be0 | 6025 | XRectangle *fr; |
dc6f92b8 | 6026 | { |
a02f1be0 | 6027 | struct frame *f = XFRAME (w->frame); |
a02f1be0 | 6028 | XRectangle wr, r; |
82f053ab | 6029 | int mouse_face_overwritten_p = 0; |
dc6f92b8 | 6030 | |
80c32bcc GM |
6031 | /* If window is not yet fully initialized, do nothing. This can |
6032 | happen when toolkit scroll bars are used and a window is split. | |
6033 | Reconfiguring the scroll bar will generate an expose for a newly | |
6034 | created window. */ | |
a39202f6 | 6035 | if (w->current_matrix == NULL) |
82f053ab | 6036 | return 0; |
a39202f6 GM |
6037 | |
6038 | /* When we're currently updating the window, display and current | |
6039 | matrix usually don't agree. Arrange for a thorough display | |
6040 | later. */ | |
6041 | if (w == updated_window) | |
6042 | { | |
6043 | SET_FRAME_GARBAGED (f); | |
6044 | return 0; | |
6045 | } | |
80c32bcc | 6046 | |
a39202f6 | 6047 | /* Frame-relative pixel rectangle of W. */ |
a02f1be0 GM |
6048 | wr.x = XFASTINT (w->left) * CANON_X_UNIT (f); |
6049 | wr.y = XFASTINT (w->top) * CANON_Y_UNIT (f); | |
6050 | wr.width = XFASTINT (w->width) * CANON_X_UNIT (f); | |
6051 | wr.height = XFASTINT (w->height) * CANON_Y_UNIT (f); | |
6052 | ||
a39202f6 GM |
6053 | if (x_intersect_rectangles (fr, &wr, &r)) |
6054 | { | |
6055 | int yb = window_text_bottom_y (w); | |
6056 | struct glyph_row *row; | |
6057 | int cursor_cleared_p; | |
a02f1be0 | 6058 | |
a39202f6 GM |
6059 | TRACE ((stderr, "expose_window (%d, %d, %d, %d)\n", |
6060 | r.x, r.y, r.width, r.height)); | |
dc6f92b8 | 6061 | |
a39202f6 GM |
6062 | /* Convert to window coordinates. */ |
6063 | r.x = FRAME_TO_WINDOW_PIXEL_X (w, r.x); | |
6064 | r.y = FRAME_TO_WINDOW_PIXEL_Y (w, r.y); | |
dc6f92b8 | 6065 | |
a39202f6 GM |
6066 | /* Turn off the cursor. */ |
6067 | if (!w->pseudo_window_p | |
6068 | && x_phys_cursor_in_rect_p (w, &r)) | |
6069 | { | |
6070 | x_clear_cursor (w); | |
6071 | cursor_cleared_p = 1; | |
6072 | } | |
6073 | else | |
6074 | cursor_cleared_p = 0; | |
06a2c219 | 6075 | |
a39202f6 GM |
6076 | /* Find the first row intersecting the rectangle R. */ |
6077 | for (row = w->current_matrix->rows; | |
6078 | row->enabled_p; | |
6079 | ++row) | |
6080 | { | |
6081 | int y0 = row->y; | |
6082 | int y1 = MATRIX_ROW_BOTTOM_Y (row); | |
6083 | ||
6084 | if ((y0 >= r.y && y0 < r.y + r.height) | |
6085 | || (y1 > r.y && y1 < r.y + r.height) | |
6086 | || (r.y >= y0 && r.y < y1) | |
6087 | || (r.y + r.height > y0 && r.y + r.height < y1)) | |
82f053ab GM |
6088 | { |
6089 | if (expose_line (w, row, &r)) | |
6090 | mouse_face_overwritten_p = 1; | |
6091 | } | |
6092 | ||
a39202f6 GM |
6093 | if (y1 >= yb) |
6094 | break; | |
6095 | } | |
dc6f92b8 | 6096 | |
a39202f6 GM |
6097 | /* Display the mode line if there is one. */ |
6098 | if (WINDOW_WANTS_MODELINE_P (w) | |
6099 | && (row = MATRIX_MODE_LINE_ROW (w->current_matrix), | |
6100 | row->enabled_p) | |
6101 | && row->y < r.y + r.height) | |
82f053ab GM |
6102 | { |
6103 | if (expose_line (w, row, &r)) | |
6104 | mouse_face_overwritten_p = 1; | |
6105 | } | |
a39202f6 GM |
6106 | |
6107 | if (!w->pseudo_window_p) | |
6108 | { | |
6109 | /* Draw border between windows. */ | |
6110 | x_draw_vertical_border (w); | |
06a2c219 | 6111 | |
a39202f6 GM |
6112 | /* Turn the cursor on again. */ |
6113 | if (cursor_cleared_p) | |
6114 | x_update_window_cursor (w, 1); | |
6115 | } | |
06a2c219 | 6116 | } |
82f053ab GM |
6117 | |
6118 | return mouse_face_overwritten_p; | |
06a2c219 | 6119 | } |
dc6f92b8 | 6120 | |
dc6f92b8 | 6121 | |
06a2c219 GM |
6122 | /* Determine the intersection of two rectangles R1 and R2. Return |
6123 | the intersection in *RESULT. Value is non-zero if RESULT is not | |
6124 | empty. */ | |
6125 | ||
6126 | static int | |
6127 | x_intersect_rectangles (r1, r2, result) | |
6128 | XRectangle *r1, *r2, *result; | |
6129 | { | |
6130 | XRectangle *left, *right; | |
6131 | XRectangle *upper, *lower; | |
6132 | int intersection_p = 0; | |
6133 | ||
6134 | /* Rearrange so that R1 is the left-most rectangle. */ | |
6135 | if (r1->x < r2->x) | |
6136 | left = r1, right = r2; | |
6137 | else | |
6138 | left = r2, right = r1; | |
6139 | ||
6140 | /* X0 of the intersection is right.x0, if this is inside R1, | |
6141 | otherwise there is no intersection. */ | |
6142 | if (right->x <= left->x + left->width) | |
6143 | { | |
6144 | result->x = right->x; | |
6145 | ||
6146 | /* The right end of the intersection is the minimum of the | |
6147 | the right ends of left and right. */ | |
6148 | result->width = (min (left->x + left->width, right->x + right->width) | |
6149 | - result->x); | |
6150 | ||
6151 | /* Same game for Y. */ | |
6152 | if (r1->y < r2->y) | |
6153 | upper = r1, lower = r2; | |
6154 | else | |
6155 | upper = r2, lower = r1; | |
6156 | ||
6157 | /* The upper end of the intersection is lower.y0, if this is inside | |
6158 | of upper. Otherwise, there is no intersection. */ | |
6159 | if (lower->y <= upper->y + upper->height) | |
dc43ef94 | 6160 | { |
06a2c219 GM |
6161 | result->y = lower->y; |
6162 | ||
6163 | /* The lower end of the intersection is the minimum of the lower | |
6164 | ends of upper and lower. */ | |
6165 | result->height = (min (lower->y + lower->height, | |
6166 | upper->y + upper->height) | |
6167 | - result->y); | |
6168 | intersection_p = 1; | |
dc43ef94 | 6169 | } |
dc6f92b8 JB |
6170 | } |
6171 | ||
06a2c219 | 6172 | return intersection_p; |
dc6f92b8 | 6173 | } |
06a2c219 GM |
6174 | |
6175 | ||
6176 | ||
6177 | ||
dc6f92b8 | 6178 | \f |
dc6f92b8 | 6179 | static void |
334208b7 RS |
6180 | frame_highlight (f) |
6181 | struct frame *f; | |
dc6f92b8 | 6182 | { |
b3e1e05c JB |
6183 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
6184 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
6185 | and border pixel are window attributes which are "private to the | |
6186 | client", so we can always change it to whatever we want. */ | |
6187 | BLOCK_INPUT; | |
334208b7 | 6188 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 6189 | f->output_data.x->border_pixel); |
b3e1e05c | 6190 | UNBLOCK_INPUT; |
5d46f928 | 6191 | x_update_cursor (f, 1); |
dc6f92b8 JB |
6192 | } |
6193 | ||
6194 | static void | |
334208b7 RS |
6195 | frame_unhighlight (f) |
6196 | struct frame *f; | |
dc6f92b8 | 6197 | { |
b3e1e05c JB |
6198 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
6199 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
6200 | and border pixel are window attributes which are "private to the | |
6201 | client", so we can always change it to whatever we want. */ | |
6202 | BLOCK_INPUT; | |
334208b7 | 6203 | XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 6204 | f->output_data.x->border_tile); |
b3e1e05c | 6205 | UNBLOCK_INPUT; |
5d46f928 | 6206 | x_update_cursor (f, 1); |
dc6f92b8 | 6207 | } |
dc6f92b8 | 6208 | |
f676886a JB |
6209 | /* The focus has changed. Update the frames as necessary to reflect |
6210 | the new situation. Note that we can't change the selected frame | |
c5acd733 | 6211 | here, because the Lisp code we are interrupting might become confused. |
eb8c3be9 | 6212 | Each event gets marked with the frame in which it occurred, so the |
c5acd733 | 6213 | Lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 6214 | |
6d4238f3 | 6215 | static void |
0f941935 KH |
6216 | x_new_focus_frame (dpyinfo, frame) |
6217 | struct x_display_info *dpyinfo; | |
f676886a | 6218 | struct frame *frame; |
dc6f92b8 | 6219 | { |
0f941935 | 6220 | struct frame *old_focus = dpyinfo->x_focus_frame; |
dc6f92b8 | 6221 | |
0f941935 | 6222 | if (frame != dpyinfo->x_focus_frame) |
dc6f92b8 | 6223 | { |
58769bee | 6224 | /* Set this before calling other routines, so that they see |
f676886a | 6225 | the correct value of x_focus_frame. */ |
0f941935 | 6226 | dpyinfo->x_focus_frame = frame; |
6d4238f3 JB |
6227 | |
6228 | if (old_focus && old_focus->auto_lower) | |
f676886a | 6229 | x_lower_frame (old_focus); |
dc6f92b8 JB |
6230 | |
6231 | #if 0 | |
f676886a | 6232 | selected_frame = frame; |
e0c1aef2 KH |
6233 | XSETFRAME (XWINDOW (selected_frame->selected_window)->frame, |
6234 | selected_frame); | |
f676886a JB |
6235 | Fselect_window (selected_frame->selected_window); |
6236 | choose_minibuf_frame (); | |
c118dd06 | 6237 | #endif /* ! 0 */ |
dc6f92b8 | 6238 | |
0f941935 KH |
6239 | if (dpyinfo->x_focus_frame && dpyinfo->x_focus_frame->auto_raise) |
6240 | pending_autoraise_frame = dpyinfo->x_focus_frame; | |
0134a210 RS |
6241 | else |
6242 | pending_autoraise_frame = 0; | |
6d4238f3 | 6243 | } |
dc6f92b8 | 6244 | |
0f941935 | 6245 | x_frame_rehighlight (dpyinfo); |
6d4238f3 JB |
6246 | } |
6247 | ||
37c2c98b RS |
6248 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ |
6249 | ||
6250 | void | |
0f941935 KH |
6251 | x_mouse_leave (dpyinfo) |
6252 | struct x_display_info *dpyinfo; | |
37c2c98b | 6253 | { |
0f941935 | 6254 | x_new_focus_frame (dpyinfo, dpyinfo->x_focus_event_frame); |
37c2c98b | 6255 | } |
6d4238f3 | 6256 | |
f451eb13 JB |
6257 | /* The focus has changed, or we have redirected a frame's focus to |
6258 | another frame (this happens when a frame uses a surrogate | |
06a2c219 | 6259 | mini-buffer frame). Shift the highlight as appropriate. |
0f941935 KH |
6260 | |
6261 | The FRAME argument doesn't necessarily have anything to do with which | |
06a2c219 | 6262 | frame is being highlighted or un-highlighted; we only use it to find |
0f941935 | 6263 | the appropriate X display info. */ |
06a2c219 | 6264 | |
6d4238f3 | 6265 | static void |
0f941935 KH |
6266 | XTframe_rehighlight (frame) |
6267 | struct frame *frame; | |
6d4238f3 | 6268 | { |
0f941935 KH |
6269 | x_frame_rehighlight (FRAME_X_DISPLAY_INFO (frame)); |
6270 | } | |
6d4238f3 | 6271 | |
0f941935 KH |
6272 | static void |
6273 | x_frame_rehighlight (dpyinfo) | |
6274 | struct x_display_info *dpyinfo; | |
6275 | { | |
6276 | struct frame *old_highlight = dpyinfo->x_highlight_frame; | |
6277 | ||
6278 | if (dpyinfo->x_focus_frame) | |
6d4238f3 | 6279 | { |
0f941935 KH |
6280 | dpyinfo->x_highlight_frame |
6281 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))) | |
6282 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame)) | |
6283 | : dpyinfo->x_focus_frame); | |
6284 | if (! FRAME_LIVE_P (dpyinfo->x_highlight_frame)) | |
f451eb13 | 6285 | { |
0f941935 KH |
6286 | FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame) = Qnil; |
6287 | dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame; | |
f451eb13 | 6288 | } |
dc6f92b8 | 6289 | } |
6d4238f3 | 6290 | else |
0f941935 | 6291 | dpyinfo->x_highlight_frame = 0; |
dc6f92b8 | 6292 | |
0f941935 | 6293 | if (dpyinfo->x_highlight_frame != old_highlight) |
6d4238f3 JB |
6294 | { |
6295 | if (old_highlight) | |
f676886a | 6296 | frame_unhighlight (old_highlight); |
0f941935 KH |
6297 | if (dpyinfo->x_highlight_frame) |
6298 | frame_highlight (dpyinfo->x_highlight_frame); | |
6d4238f3 | 6299 | } |
dc6f92b8 | 6300 | } |
06a2c219 GM |
6301 | |
6302 | ||
dc6f92b8 | 6303 | \f |
06a2c219 | 6304 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 6305 | |
28430d3c JB |
6306 | /* Initialize mode_switch_bit and modifier_meaning. */ |
6307 | static void | |
334208b7 RS |
6308 | x_find_modifier_meanings (dpyinfo) |
6309 | struct x_display_info *dpyinfo; | |
28430d3c | 6310 | { |
f689eb05 | 6311 | int min_code, max_code; |
28430d3c JB |
6312 | KeySym *syms; |
6313 | int syms_per_code; | |
6314 | XModifierKeymap *mods; | |
6315 | ||
334208b7 RS |
6316 | dpyinfo->meta_mod_mask = 0; |
6317 | dpyinfo->shift_lock_mask = 0; | |
6318 | dpyinfo->alt_mod_mask = 0; | |
6319 | dpyinfo->super_mod_mask = 0; | |
6320 | dpyinfo->hyper_mod_mask = 0; | |
58769bee | 6321 | |
9658a521 | 6322 | #ifdef HAVE_X11R4 |
334208b7 | 6323 | XDisplayKeycodes (dpyinfo->display, &min_code, &max_code); |
9658a521 | 6324 | #else |
4a60f8c5 RS |
6325 | min_code = dpyinfo->display->min_keycode; |
6326 | max_code = dpyinfo->display->max_keycode; | |
9658a521 JB |
6327 | #endif |
6328 | ||
334208b7 | 6329 | syms = XGetKeyboardMapping (dpyinfo->display, |
28430d3c JB |
6330 | min_code, max_code - min_code + 1, |
6331 | &syms_per_code); | |
334208b7 | 6332 | mods = XGetModifierMapping (dpyinfo->display); |
28430d3c | 6333 | |
58769bee | 6334 | /* Scan the modifier table to see which modifier bits the Meta and |
11edeb03 | 6335 | Alt keysyms are on. */ |
28430d3c | 6336 | { |
06a2c219 | 6337 | int row, col; /* The row and column in the modifier table. */ |
28430d3c JB |
6338 | |
6339 | for (row = 3; row < 8; row++) | |
6340 | for (col = 0; col < mods->max_keypermod; col++) | |
6341 | { | |
0299d313 RS |
6342 | KeyCode code |
6343 | = mods->modifiermap[(row * mods->max_keypermod) + col]; | |
28430d3c | 6344 | |
af92970c KH |
6345 | /* Zeroes are used for filler. Skip them. */ |
6346 | if (code == 0) | |
6347 | continue; | |
6348 | ||
28430d3c JB |
6349 | /* Are any of this keycode's keysyms a meta key? */ |
6350 | { | |
6351 | int code_col; | |
6352 | ||
6353 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
6354 | { | |
f689eb05 | 6355 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 6356 | |
f689eb05 | 6357 | switch (sym) |
28430d3c | 6358 | { |
f689eb05 JB |
6359 | case XK_Meta_L: |
6360 | case XK_Meta_R: | |
334208b7 | 6361 | dpyinfo->meta_mod_mask |= (1 << row); |
28430d3c | 6362 | break; |
f689eb05 JB |
6363 | |
6364 | case XK_Alt_L: | |
6365 | case XK_Alt_R: | |
334208b7 | 6366 | dpyinfo->alt_mod_mask |= (1 << row); |
a3c44b14 RS |
6367 | break; |
6368 | ||
6369 | case XK_Hyper_L: | |
6370 | case XK_Hyper_R: | |
334208b7 | 6371 | dpyinfo->hyper_mod_mask |= (1 << row); |
a3c44b14 RS |
6372 | break; |
6373 | ||
6374 | case XK_Super_L: | |
6375 | case XK_Super_R: | |
334208b7 | 6376 | dpyinfo->super_mod_mask |= (1 << row); |
f689eb05 | 6377 | break; |
11edeb03 JB |
6378 | |
6379 | case XK_Shift_Lock: | |
6380 | /* Ignore this if it's not on the lock modifier. */ | |
6381 | if ((1 << row) == LockMask) | |
334208b7 | 6382 | dpyinfo->shift_lock_mask = LockMask; |
11edeb03 | 6383 | break; |
28430d3c JB |
6384 | } |
6385 | } | |
6386 | } | |
6387 | } | |
6388 | } | |
6389 | ||
f689eb05 | 6390 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
334208b7 | 6391 | if (! dpyinfo->meta_mod_mask) |
a3c44b14 | 6392 | { |
334208b7 RS |
6393 | dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask; |
6394 | dpyinfo->alt_mod_mask = 0; | |
a3c44b14 | 6395 | } |
f689eb05 | 6396 | |
148c4b70 RS |
6397 | /* If some keys are both alt and meta, |
6398 | make them just meta, not alt. */ | |
334208b7 | 6399 | if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask) |
148c4b70 | 6400 | { |
334208b7 | 6401 | dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask; |
148c4b70 | 6402 | } |
58769bee | 6403 | |
28430d3c | 6404 | XFree ((char *) syms); |
f689eb05 | 6405 | XFreeModifiermap (mods); |
28430d3c JB |
6406 | } |
6407 | ||
dfeccd2d JB |
6408 | /* Convert between the modifier bits X uses and the modifier bits |
6409 | Emacs uses. */ | |
06a2c219 | 6410 | |
7c5283e4 | 6411 | static unsigned int |
334208b7 RS |
6412 | x_x_to_emacs_modifiers (dpyinfo, state) |
6413 | struct x_display_info *dpyinfo; | |
dc6f92b8 JB |
6414 | unsigned int state; |
6415 | { | |
334208b7 RS |
6416 | return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0) |
6417 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
6418 | | ((state & dpyinfo->meta_mod_mask) ? meta_modifier : 0) | |
6419 | | ((state & dpyinfo->alt_mod_mask) ? alt_modifier : 0) | |
6420 | | ((state & dpyinfo->super_mod_mask) ? super_modifier : 0) | |
6421 | | ((state & dpyinfo->hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
6422 | } |
6423 | ||
dfeccd2d | 6424 | static unsigned int |
334208b7 RS |
6425 | x_emacs_to_x_modifiers (dpyinfo, state) |
6426 | struct x_display_info *dpyinfo; | |
dfeccd2d JB |
6427 | unsigned int state; |
6428 | { | |
334208b7 RS |
6429 | return ( ((state & alt_modifier) ? dpyinfo->alt_mod_mask : 0) |
6430 | | ((state & super_modifier) ? dpyinfo->super_mod_mask : 0) | |
6431 | | ((state & hyper_modifier) ? dpyinfo->hyper_mod_mask : 0) | |
6432 | | ((state & shift_modifier) ? ShiftMask : 0) | |
6433 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
6434 | | ((state & meta_modifier) ? dpyinfo->meta_mod_mask : 0)); | |
dfeccd2d | 6435 | } |
d047c4eb KH |
6436 | |
6437 | /* Convert a keysym to its name. */ | |
6438 | ||
6439 | char * | |
6440 | x_get_keysym_name (keysym) | |
6441 | KeySym keysym; | |
6442 | { | |
6443 | char *value; | |
6444 | ||
6445 | BLOCK_INPUT; | |
6446 | value = XKeysymToString (keysym); | |
6447 | UNBLOCK_INPUT; | |
6448 | ||
6449 | return value; | |
6450 | } | |
06a2c219 GM |
6451 | |
6452 | ||
e4571a43 JB |
6453 | \f |
6454 | /* Mouse clicks and mouse movement. Rah. */ | |
e4571a43 | 6455 | |
06a2c219 GM |
6456 | /* Given a pixel position (PIX_X, PIX_Y) on frame F, return glyph |
6457 | co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle that the | |
6458 | glyph at X, Y occupies, if BOUNDS != 0. If NOCLIP is non-zero, do | |
6459 | not force the value into range. */ | |
69388238 | 6460 | |
c8dba240 | 6461 | void |
69388238 | 6462 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 6463 | FRAME_PTR f; |
69388238 | 6464 | register int pix_x, pix_y; |
e4571a43 JB |
6465 | register int *x, *y; |
6466 | XRectangle *bounds; | |
69388238 | 6467 | int noclip; |
e4571a43 | 6468 | { |
06a2c219 | 6469 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
69388238 RS |
6470 | even for negative values. */ |
6471 | if (pix_x < 0) | |
7556890b | 6472 | pix_x -= FONT_WIDTH ((f)->output_data.x->font) - 1; |
69388238 | 6473 | if (pix_y < 0) |
7556890b | 6474 | pix_y -= (f)->output_data.x->line_height - 1; |
69388238 | 6475 | |
e4571a43 JB |
6476 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
6477 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
6478 | ||
6479 | if (bounds) | |
6480 | { | |
7556890b RS |
6481 | bounds->width = FONT_WIDTH (f->output_data.x->font); |
6482 | bounds->height = f->output_data.x->line_height; | |
e4571a43 JB |
6483 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
6484 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
6485 | } | |
6486 | ||
69388238 RS |
6487 | if (!noclip) |
6488 | { | |
6489 | if (pix_x < 0) | |
6490 | pix_x = 0; | |
3cbd2e0b RS |
6491 | else if (pix_x > FRAME_WINDOW_WIDTH (f)) |
6492 | pix_x = FRAME_WINDOW_WIDTH (f); | |
69388238 RS |
6493 | |
6494 | if (pix_y < 0) | |
6495 | pix_y = 0; | |
6496 | else if (pix_y > f->height) | |
6497 | pix_y = f->height; | |
6498 | } | |
e4571a43 JB |
6499 | |
6500 | *x = pix_x; | |
6501 | *y = pix_y; | |
6502 | } | |
6503 | ||
06a2c219 GM |
6504 | |
6505 | /* Given HPOS/VPOS in the current matrix of W, return corresponding | |
6506 | frame-relative pixel positions in *FRAME_X and *FRAME_Y. If we | |
6507 | can't tell the positions because W's display is not up to date, | |
6508 | return 0. */ | |
6509 | ||
6510 | int | |
6511 | glyph_to_pixel_coords (w, hpos, vpos, frame_x, frame_y) | |
6512 | struct window *w; | |
6513 | int hpos, vpos; | |
6514 | int *frame_x, *frame_y; | |
2b5c9e71 | 6515 | { |
06a2c219 GM |
6516 | int success_p; |
6517 | ||
6518 | xassert (hpos >= 0 && hpos < w->current_matrix->matrix_w); | |
6519 | xassert (vpos >= 0 && vpos < w->current_matrix->matrix_h); | |
6520 | ||
6521 | if (display_completed) | |
6522 | { | |
6523 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, vpos); | |
6524 | struct glyph *glyph = row->glyphs[TEXT_AREA]; | |
6525 | struct glyph *end = glyph + min (hpos, row->used[TEXT_AREA]); | |
6526 | ||
6527 | *frame_y = row->y; | |
6528 | *frame_x = row->x; | |
6529 | while (glyph < end) | |
6530 | { | |
6531 | *frame_x += glyph->pixel_width; | |
6532 | ++glyph; | |
6533 | } | |
6534 | ||
6535 | success_p = 1; | |
6536 | } | |
6537 | else | |
6538 | { | |
6539 | *frame_y = *frame_x = 0; | |
6540 | success_p = 0; | |
6541 | } | |
6542 | ||
6543 | *frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, *frame_y); | |
6544 | *frame_x = WINDOW_TO_FRAME_PIXEL_X (w, *frame_x); | |
6545 | return success_p; | |
2b5c9e71 RS |
6546 | } |
6547 | ||
06a2c219 | 6548 | |
dc6f92b8 JB |
6549 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
6550 | ||
6551 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 6552 | the mouse. */ |
dc6f92b8 JB |
6553 | |
6554 | static Lisp_Object | |
f451eb13 | 6555 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
6556 | struct input_event *result; |
6557 | XButtonEvent *event; | |
f676886a | 6558 | struct frame *f; |
dc6f92b8 | 6559 | { |
f451eb13 | 6560 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 6561 | otherwise. */ |
f451eb13 | 6562 | result->kind = mouse_click; |
69388238 | 6563 | result->code = event->button - Button1; |
1113d9db | 6564 | result->timestamp = event->time; |
334208b7 RS |
6565 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
6566 | event->state) | |
f689eb05 | 6567 | | (event->type == ButtonRelease |
58769bee | 6568 | ? up_modifier |
f689eb05 | 6569 | : down_modifier)); |
dc6f92b8 | 6570 | |
06a2c219 GM |
6571 | XSETINT (result->x, event->x); |
6572 | XSETINT (result->y, event->y); | |
6573 | XSETFRAME (result->frame_or_window, f); | |
0f8aabe9 | 6574 | result->arg = Qnil; |
06a2c219 | 6575 | return Qnil; |
dc6f92b8 | 6576 | } |
b849c413 | 6577 | |
69388238 | 6578 | \f |
90e65f07 JB |
6579 | /* Function to report a mouse movement to the mainstream Emacs code. |
6580 | The input handler calls this. | |
6581 | ||
6582 | We have received a mouse movement event, which is given in *event. | |
6583 | If the mouse is over a different glyph than it was last time, tell | |
6584 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
6585 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 6586 | |
06a2c219 GM |
6587 | static XMotionEvent last_mouse_motion_event; |
6588 | static Lisp_Object last_mouse_motion_frame; | |
6589 | ||
90e65f07 | 6590 | static void |
12ba150f | 6591 | note_mouse_movement (frame, event) |
f676886a | 6592 | FRAME_PTR frame; |
90e65f07 | 6593 | XMotionEvent *event; |
90e65f07 | 6594 | { |
e5d77022 | 6595 | last_mouse_movement_time = event->time; |
06a2c219 GM |
6596 | last_mouse_motion_event = *event; |
6597 | XSETFRAME (last_mouse_motion_frame, frame); | |
e5d77022 | 6598 | |
27f338af RS |
6599 | if (event->window != FRAME_X_WINDOW (frame)) |
6600 | { | |
39d8bb4d | 6601 | frame->mouse_moved = 1; |
27f338af | 6602 | last_mouse_scroll_bar = Qnil; |
27f338af | 6603 | note_mouse_highlight (frame, -1, -1); |
27f338af RS |
6604 | } |
6605 | ||
90e65f07 | 6606 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
6607 | else if (event->x < last_mouse_glyph.x |
6608 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
6609 | || event->y < last_mouse_glyph.y | |
6610 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f | 6611 | { |
39d8bb4d | 6612 | frame->mouse_moved = 1; |
ab648270 | 6613 | last_mouse_scroll_bar = Qnil; |
b8009dd1 | 6614 | note_mouse_highlight (frame, event->x, event->y); |
90e65f07 JB |
6615 | } |
6616 | } | |
6617 | ||
bf1c0ba1 | 6618 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
bf1c0ba1 | 6619 | |
06a2c219 GM |
6620 | int disable_mouse_highlight; |
6621 | ||
6622 | ||
6623 | \f | |
6624 | /************************************************************************ | |
6625 | Mouse Face | |
6626 | ************************************************************************/ | |
6627 | ||
6628 | /* Find the glyph under window-relative coordinates X/Y in window W. | |
6629 | Consider only glyphs from buffer text, i.e. no glyphs from overlay | |
6630 | strings. Return in *HPOS and *VPOS the row and column number of | |
6631 | the glyph found. Return in *AREA the glyph area containing X. | |
6632 | Value is a pointer to the glyph found or null if X/Y is not on | |
6633 | text, or we can't tell because W's current matrix is not up to | |
6634 | date. */ | |
6635 | ||
6636 | static struct glyph * | |
f9db2310 | 6637 | x_y_to_hpos_vpos (w, x, y, hpos, vpos, area, buffer_only_p) |
06a2c219 GM |
6638 | struct window *w; |
6639 | int x, y; | |
6640 | int *hpos, *vpos, *area; | |
f9db2310 | 6641 | int buffer_only_p; |
06a2c219 GM |
6642 | { |
6643 | struct glyph *glyph, *end; | |
3e71d8f2 | 6644 | struct glyph_row *row = NULL; |
06a2c219 GM |
6645 | int x0, i, left_area_width; |
6646 | ||
6647 | /* Find row containing Y. Give up if some row is not enabled. */ | |
6648 | for (i = 0; i < w->current_matrix->nrows; ++i) | |
6649 | { | |
6650 | row = MATRIX_ROW (w->current_matrix, i); | |
6651 | if (!row->enabled_p) | |
6652 | return NULL; | |
6653 | if (y >= row->y && y < MATRIX_ROW_BOTTOM_Y (row)) | |
6654 | break; | |
6655 | } | |
6656 | ||
6657 | *vpos = i; | |
6658 | *hpos = 0; | |
6659 | ||
6660 | /* Give up if Y is not in the window. */ | |
6661 | if (i == w->current_matrix->nrows) | |
6662 | return NULL; | |
6663 | ||
6664 | /* Get the glyph area containing X. */ | |
6665 | if (w->pseudo_window_p) | |
6666 | { | |
6667 | *area = TEXT_AREA; | |
6668 | x0 = 0; | |
6669 | } | |
6670 | else | |
6671 | { | |
6672 | left_area_width = window_box_width (w, LEFT_MARGIN_AREA); | |
6673 | if (x < left_area_width) | |
6674 | { | |
6675 | *area = LEFT_MARGIN_AREA; | |
6676 | x0 = 0; | |
6677 | } | |
6678 | else if (x < left_area_width + window_box_width (w, TEXT_AREA)) | |
6679 | { | |
6680 | *area = TEXT_AREA; | |
6681 | x0 = row->x + left_area_width; | |
6682 | } | |
6683 | else | |
6684 | { | |
6685 | *area = RIGHT_MARGIN_AREA; | |
6686 | x0 = left_area_width + window_box_width (w, TEXT_AREA); | |
6687 | } | |
6688 | } | |
6689 | ||
6690 | /* Find glyph containing X. */ | |
6691 | glyph = row->glyphs[*area]; | |
6692 | end = glyph + row->used[*area]; | |
6693 | while (glyph < end) | |
6694 | { | |
6695 | if (x < x0 + glyph->pixel_width) | |
6696 | { | |
6697 | if (w->pseudo_window_p) | |
6698 | break; | |
f9db2310 | 6699 | else if (!buffer_only_p || BUFFERP (glyph->object)) |
06a2c219 GM |
6700 | break; |
6701 | } | |
6702 | ||
6703 | x0 += glyph->pixel_width; | |
6704 | ++glyph; | |
6705 | } | |
6706 | ||
6707 | if (glyph == end) | |
6708 | return NULL; | |
6709 | ||
6710 | *hpos = glyph - row->glyphs[*area]; | |
6711 | return glyph; | |
6712 | } | |
6713 | ||
6714 | ||
6715 | /* Convert frame-relative x/y to coordinates relative to window W. | |
6716 | Takes pseudo-windows into account. */ | |
6717 | ||
6718 | static void | |
6719 | frame_to_window_pixel_xy (w, x, y) | |
6720 | struct window *w; | |
6721 | int *x, *y; | |
6722 | { | |
6723 | if (w->pseudo_window_p) | |
6724 | { | |
6725 | /* A pseudo-window is always full-width, and starts at the | |
6726 | left edge of the frame, plus a frame border. */ | |
6727 | struct frame *f = XFRAME (w->frame); | |
6728 | *x -= FRAME_INTERNAL_BORDER_WIDTH_SAFE (f); | |
6729 | *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y); | |
6730 | } | |
6731 | else | |
6732 | { | |
6733 | *x = FRAME_TO_WINDOW_PIXEL_X (w, *x); | |
6734 | *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y); | |
6735 | } | |
6736 | } | |
6737 | ||
6738 | ||
e371a781 | 6739 | /* Take proper action when mouse has moved to the mode or header line of |
06a2c219 GM |
6740 | window W, x-position X. MODE_LINE_P non-zero means mouse is on the |
6741 | mode line. X is relative to the start of the text display area of | |
3f332ef3 | 6742 | W, so the width of fringes and scroll bars must be subtracted |
06a2c219 GM |
6743 | to get a position relative to the start of the mode line. */ |
6744 | ||
6745 | static void | |
6746 | note_mode_line_highlight (w, x, mode_line_p) | |
6747 | struct window *w; | |
6748 | int x, mode_line_p; | |
6749 | { | |
6750 | struct frame *f = XFRAME (w->frame); | |
6751 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
6752 | Cursor cursor = dpyinfo->vertical_scroll_bar_cursor; | |
6753 | struct glyph_row *row; | |
6754 | ||
6755 | if (mode_line_p) | |
6756 | row = MATRIX_MODE_LINE_ROW (w->current_matrix); | |
6757 | else | |
045dee35 | 6758 | row = MATRIX_HEADER_LINE_ROW (w->current_matrix); |
e371a781 | 6759 | |
06a2c219 GM |
6760 | if (row->enabled_p) |
6761 | { | |
6762 | struct glyph *glyph, *end; | |
6763 | Lisp_Object help, map; | |
6764 | int x0; | |
6765 | ||
6766 | /* Find the glyph under X. */ | |
6767 | glyph = row->glyphs[TEXT_AREA]; | |
6768 | end = glyph + row->used[TEXT_AREA]; | |
6769 | x0 = - (FRAME_LEFT_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f) | |
3f332ef3 | 6770 | + FRAME_X_LEFT_FRINGE_WIDTH (f)); |
e371a781 | 6771 | |
06a2c219 GM |
6772 | while (glyph < end |
6773 | && x >= x0 + glyph->pixel_width) | |
6774 | { | |
6775 | x0 += glyph->pixel_width; | |
6776 | ++glyph; | |
6777 | } | |
6778 | ||
6779 | if (glyph < end | |
6780 | && STRINGP (glyph->object) | |
6781 | && XSTRING (glyph->object)->intervals | |
6782 | && glyph->charpos >= 0 | |
6783 | && glyph->charpos < XSTRING (glyph->object)->size) | |
6784 | { | |
6785 | /* If we're on a string with `help-echo' text property, | |
6786 | arrange for the help to be displayed. This is done by | |
6787 | setting the global variable help_echo to the help string. */ | |
6788 | help = Fget_text_property (make_number (glyph->charpos), | |
6789 | Qhelp_echo, glyph->object); | |
b7e80413 | 6790 | if (!NILP (help)) |
be010514 GM |
6791 | { |
6792 | help_echo = help; | |
7cea38bc | 6793 | XSETWINDOW (help_echo_window, w); |
be010514 GM |
6794 | help_echo_object = glyph->object; |
6795 | help_echo_pos = glyph->charpos; | |
6796 | } | |
06a2c219 GM |
6797 | |
6798 | /* Change the mouse pointer according to what is under X/Y. */ | |
6799 | map = Fget_text_property (make_number (glyph->charpos), | |
6800 | Qlocal_map, glyph->object); | |
02067692 | 6801 | if (KEYMAPP (map)) |
06a2c219 | 6802 | cursor = f->output_data.x->nontext_cursor; |
be010514 GM |
6803 | else |
6804 | { | |
6805 | map = Fget_text_property (make_number (glyph->charpos), | |
6806 | Qkeymap, glyph->object); | |
02067692 | 6807 | if (KEYMAPP (map)) |
be010514 GM |
6808 | cursor = f->output_data.x->nontext_cursor; |
6809 | } | |
06a2c219 GM |
6810 | } |
6811 | } | |
6812 | ||
6813 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor); | |
6814 | } | |
6815 | ||
6816 | ||
6817 | /* Take proper action when the mouse has moved to position X, Y on | |
6818 | frame F as regards highlighting characters that have mouse-face | |
6819 | properties. Also de-highlighting chars where the mouse was before. | |
27f338af | 6820 | X and Y can be negative or out of range. */ |
b8009dd1 RS |
6821 | |
6822 | static void | |
6823 | note_mouse_highlight (f, x, y) | |
06a2c219 | 6824 | struct frame *f; |
c32cdd9a | 6825 | int x, y; |
b8009dd1 | 6826 | { |
06a2c219 GM |
6827 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
6828 | int portion; | |
b8009dd1 RS |
6829 | Lisp_Object window; |
6830 | struct window *w; | |
0d487c52 GM |
6831 | Cursor cursor = None; |
6832 | struct buffer *b; | |
b8009dd1 | 6833 | |
06a2c219 GM |
6834 | /* When a menu is active, don't highlight because this looks odd. */ |
6835 | #ifdef USE_X_TOOLKIT | |
6836 | if (popup_activated ()) | |
6837 | return; | |
6838 | #endif | |
6839 | ||
04fff9c0 GM |
6840 | if (disable_mouse_highlight |
6841 | || !f->glyphs_initialized_p) | |
bf1c0ba1 RS |
6842 | return; |
6843 | ||
06a2c219 GM |
6844 | dpyinfo->mouse_face_mouse_x = x; |
6845 | dpyinfo->mouse_face_mouse_y = y; | |
6846 | dpyinfo->mouse_face_mouse_frame = f; | |
b8009dd1 | 6847 | |
06a2c219 | 6848 | if (dpyinfo->mouse_face_defer) |
b8009dd1 RS |
6849 | return; |
6850 | ||
514e4681 RS |
6851 | if (gc_in_progress) |
6852 | { | |
06a2c219 | 6853 | dpyinfo->mouse_face_deferred_gc = 1; |
514e4681 RS |
6854 | return; |
6855 | } | |
6856 | ||
b8009dd1 | 6857 | /* Which window is that in? */ |
06a2c219 | 6858 | window = window_from_coordinates (f, x, y, &portion, 1); |
b8009dd1 RS |
6859 | |
6860 | /* If we were displaying active text in another window, clear that. */ | |
06a2c219 GM |
6861 | if (! EQ (window, dpyinfo->mouse_face_window)) |
6862 | clear_mouse_face (dpyinfo); | |
6863 | ||
6864 | /* Not on a window -> return. */ | |
6865 | if (!WINDOWP (window)) | |
6866 | return; | |
6867 | ||
6868 | /* Convert to window-relative pixel coordinates. */ | |
6869 | w = XWINDOW (window); | |
6870 | frame_to_window_pixel_xy (w, &x, &y); | |
6871 | ||
9ea173e8 | 6872 | /* Handle tool-bar window differently since it doesn't display a |
06a2c219 | 6873 | buffer. */ |
9ea173e8 | 6874 | if (EQ (window, f->tool_bar_window)) |
06a2c219 | 6875 | { |
9ea173e8 | 6876 | note_tool_bar_highlight (f, x, y); |
06a2c219 GM |
6877 | return; |
6878 | } | |
6879 | ||
0d487c52 | 6880 | /* Mouse is on the mode or header line? */ |
06a2c219 GM |
6881 | if (portion == 1 || portion == 3) |
6882 | { | |
06a2c219 GM |
6883 | note_mode_line_highlight (w, x, portion == 1); |
6884 | return; | |
6885 | } | |
0d487c52 GM |
6886 | |
6887 | if (portion == 2) | |
6888 | cursor = f->output_data.x->horizontal_drag_cursor; | |
06a2c219 | 6889 | else |
0d487c52 | 6890 | cursor = f->output_data.x->text_cursor; |
b8009dd1 | 6891 | |
0cdd0c9f RS |
6892 | /* Are we in a window whose display is up to date? |
6893 | And verify the buffer's text has not changed. */ | |
0d487c52 | 6894 | b = XBUFFER (w->buffer); |
06a2c219 GM |
6895 | if (/* Within text portion of the window. */ |
6896 | portion == 0 | |
0cdd0c9f | 6897 | && EQ (w->window_end_valid, w->buffer) |
0d487c52 GM |
6898 | && XFASTINT (w->last_modified) == BUF_MODIFF (b) |
6899 | && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b)) | |
b8009dd1 | 6900 | { |
06a2c219 GM |
6901 | int hpos, vpos, pos, i, area; |
6902 | struct glyph *glyph; | |
f9db2310 | 6903 | Lisp_Object object; |
0d487c52 GM |
6904 | Lisp_Object mouse_face = Qnil, overlay = Qnil, position; |
6905 | Lisp_Object *overlay_vec = NULL; | |
6906 | int len, noverlays; | |
6907 | struct buffer *obuf; | |
6908 | int obegv, ozv, same_region; | |
b8009dd1 | 6909 | |
06a2c219 | 6910 | /* Find the glyph under X/Y. */ |
f9db2310 | 6911 | glyph = x_y_to_hpos_vpos (w, x, y, &hpos, &vpos, &area, 0); |
06a2c219 GM |
6912 | |
6913 | /* Clear mouse face if X/Y not over text. */ | |
6914 | if (glyph == NULL | |
6915 | || area != TEXT_AREA | |
6916 | || !MATRIX_ROW (w->current_matrix, vpos)->displays_text_p) | |
b8009dd1 | 6917 | { |
fa262c07 GM |
6918 | if (clear_mouse_face (dpyinfo)) |
6919 | cursor = None; | |
6920 | goto set_cursor; | |
06a2c219 GM |
6921 | } |
6922 | ||
6923 | pos = glyph->charpos; | |
f9db2310 GM |
6924 | object = glyph->object; |
6925 | if (!STRINGP (object) && !BUFFERP (object)) | |
fa262c07 | 6926 | goto set_cursor; |
06a2c219 | 6927 | |
0d487c52 GM |
6928 | /* If we get an out-of-range value, return now; avoid an error. */ |
6929 | if (BUFFERP (object) && pos > BUF_Z (b)) | |
fa262c07 | 6930 | goto set_cursor; |
06a2c219 | 6931 | |
0d487c52 GM |
6932 | /* Make the window's buffer temporarily current for |
6933 | overlays_at and compute_char_face. */ | |
6934 | obuf = current_buffer; | |
6935 | current_buffer = b; | |
6936 | obegv = BEGV; | |
6937 | ozv = ZV; | |
6938 | BEGV = BEG; | |
6939 | ZV = Z; | |
06a2c219 | 6940 | |
0d487c52 GM |
6941 | /* Is this char mouse-active or does it have help-echo? */ |
6942 | position = make_number (pos); | |
f9db2310 | 6943 | |
0d487c52 GM |
6944 | if (BUFFERP (object)) |
6945 | { | |
6946 | /* Put all the overlays we want in a vector in overlay_vec. | |
6947 | Store the length in len. If there are more than 10, make | |
6948 | enough space for all, and try again. */ | |
6949 | len = 10; | |
6950 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
6951 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL, 0); | |
6952 | if (noverlays > len) | |
6953 | { | |
6954 | len = noverlays; | |
6955 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
6956 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL,0); | |
6957 | } | |
f8349001 | 6958 | |
0d487c52 GM |
6959 | /* Sort overlays into increasing priority order. */ |
6960 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
6961 | } | |
6962 | else | |
6963 | noverlays = 0; | |
6964 | ||
6965 | same_region = (EQ (window, dpyinfo->mouse_face_window) | |
6966 | && vpos >= dpyinfo->mouse_face_beg_row | |
6967 | && vpos <= dpyinfo->mouse_face_end_row | |
6968 | && (vpos > dpyinfo->mouse_face_beg_row | |
6969 | || hpos >= dpyinfo->mouse_face_beg_col) | |
6970 | && (vpos < dpyinfo->mouse_face_end_row | |
6971 | || hpos < dpyinfo->mouse_face_end_col | |
6972 | || dpyinfo->mouse_face_past_end)); | |
6973 | ||
6974 | if (same_region) | |
6975 | cursor = None; | |
6976 | ||
6977 | /* Check mouse-face highlighting. */ | |
6978 | if (! same_region | |
6979 | /* If there exists an overlay with mouse-face overlapping | |
6980 | the one we are currently highlighting, we have to | |
6981 | check if we enter the overlapping overlay, and then | |
6982 | highlight only that. */ | |
6983 | || (OVERLAYP (dpyinfo->mouse_face_overlay) | |
6984 | && mouse_face_overlay_overlaps (dpyinfo->mouse_face_overlay))) | |
6985 | { | |
0d487c52 GM |
6986 | /* Find the highest priority overlay that has a mouse-face |
6987 | property. */ | |
6988 | overlay = Qnil; | |
6989 | for (i = noverlays - 1; i >= 0 && NILP (overlay); --i) | |
6990 | { | |
6991 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
6992 | if (!NILP (mouse_face)) | |
6993 | overlay = overlay_vec[i]; | |
6994 | } | |
8bd189fb GM |
6995 | |
6996 | /* If we're actually highlighting the same overlay as | |
6997 | before, there's no need to do that again. */ | |
6998 | if (!NILP (overlay) | |
6999 | && EQ (overlay, dpyinfo->mouse_face_overlay)) | |
7000 | goto check_help_echo; | |
f9db2310 | 7001 | |
8bd189fb GM |
7002 | dpyinfo->mouse_face_overlay = overlay; |
7003 | ||
7004 | /* Clear the display of the old active region, if any. */ | |
7005 | if (clear_mouse_face (dpyinfo)) | |
7006 | cursor = None; | |
7007 | ||
0d487c52 GM |
7008 | /* If no overlay applies, get a text property. */ |
7009 | if (NILP (overlay)) | |
7010 | mouse_face = Fget_text_property (position, Qmouse_face, object); | |
06a2c219 | 7011 | |
0d487c52 GM |
7012 | /* Handle the overlay case. */ |
7013 | if (!NILP (overlay)) | |
7014 | { | |
7015 | /* Find the range of text around this char that | |
7016 | should be active. */ | |
7017 | Lisp_Object before, after; | |
7018 | int ignore; | |
7019 | ||
7020 | before = Foverlay_start (overlay); | |
7021 | after = Foverlay_end (overlay); | |
7022 | /* Record this as the current active region. */ | |
7023 | fast_find_position (w, XFASTINT (before), | |
7024 | &dpyinfo->mouse_face_beg_col, | |
7025 | &dpyinfo->mouse_face_beg_row, | |
7026 | &dpyinfo->mouse_face_beg_x, | |
7e376260 GM |
7027 | &dpyinfo->mouse_face_beg_y, Qnil); |
7028 | ||
0d487c52 GM |
7029 | dpyinfo->mouse_face_past_end |
7030 | = !fast_find_position (w, XFASTINT (after), | |
7031 | &dpyinfo->mouse_face_end_col, | |
7032 | &dpyinfo->mouse_face_end_row, | |
7033 | &dpyinfo->mouse_face_end_x, | |
7e376260 | 7034 | &dpyinfo->mouse_face_end_y, Qnil); |
0d487c52 GM |
7035 | dpyinfo->mouse_face_window = window; |
7036 | dpyinfo->mouse_face_face_id | |
7037 | = face_at_buffer_position (w, pos, 0, 0, | |
7038 | &ignore, pos + 1, 1); | |
7039 | ||
7040 | /* Display it as active. */ | |
7041 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
58e5af83 | 7042 | cursor = None; |
0d487c52 GM |
7043 | } |
7044 | /* Handle the text property case. */ | |
7045 | else if (!NILP (mouse_face) && BUFFERP (object)) | |
7046 | { | |
7047 | /* Find the range of text around this char that | |
7048 | should be active. */ | |
7049 | Lisp_Object before, after, beginning, end; | |
7050 | int ignore; | |
7051 | ||
7052 | beginning = Fmarker_position (w->start); | |
7053 | end = make_number (BUF_Z (XBUFFER (object)) | |
7054 | - XFASTINT (w->window_end_pos)); | |
7055 | before | |
7056 | = Fprevious_single_property_change (make_number (pos + 1), | |
7057 | Qmouse_face, | |
7058 | object, beginning); | |
7059 | after | |
7060 | = Fnext_single_property_change (position, Qmouse_face, | |
7061 | object, end); | |
7062 | ||
7063 | /* Record this as the current active region. */ | |
7064 | fast_find_position (w, XFASTINT (before), | |
7065 | &dpyinfo->mouse_face_beg_col, | |
7066 | &dpyinfo->mouse_face_beg_row, | |
7067 | &dpyinfo->mouse_face_beg_x, | |
7e376260 | 7068 | &dpyinfo->mouse_face_beg_y, Qnil); |
0d487c52 GM |
7069 | dpyinfo->mouse_face_past_end |
7070 | = !fast_find_position (w, XFASTINT (after), | |
7071 | &dpyinfo->mouse_face_end_col, | |
7072 | &dpyinfo->mouse_face_end_row, | |
7073 | &dpyinfo->mouse_face_end_x, | |
7e376260 | 7074 | &dpyinfo->mouse_face_end_y, Qnil); |
0d487c52 GM |
7075 | dpyinfo->mouse_face_window = window; |
7076 | ||
7077 | if (BUFFERP (object)) | |
06a2c219 GM |
7078 | dpyinfo->mouse_face_face_id |
7079 | = face_at_buffer_position (w, pos, 0, 0, | |
7080 | &ignore, pos + 1, 1); | |
7081 | ||
0d487c52 GM |
7082 | /* Display it as active. */ |
7083 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
58e5af83 | 7084 | cursor = None; |
0d487c52 GM |
7085 | } |
7086 | else if (!NILP (mouse_face) && STRINGP (object)) | |
7087 | { | |
7088 | Lisp_Object b, e; | |
7089 | int ignore; | |
f9db2310 | 7090 | |
0d487c52 GM |
7091 | b = Fprevious_single_property_change (make_number (pos + 1), |
7092 | Qmouse_face, | |
7093 | object, Qnil); | |
7094 | e = Fnext_single_property_change (position, Qmouse_face, | |
7095 | object, Qnil); | |
7096 | if (NILP (b)) | |
7097 | b = make_number (0); | |
7098 | if (NILP (e)) | |
7099 | e = make_number (XSTRING (object)->size - 1); | |
7100 | fast_find_string_pos (w, XINT (b), object, | |
06a2c219 GM |
7101 | &dpyinfo->mouse_face_beg_col, |
7102 | &dpyinfo->mouse_face_beg_row, | |
7103 | &dpyinfo->mouse_face_beg_x, | |
0d487c52 GM |
7104 | &dpyinfo->mouse_face_beg_y, 0); |
7105 | fast_find_string_pos (w, XINT (e), object, | |
7106 | &dpyinfo->mouse_face_end_col, | |
7107 | &dpyinfo->mouse_face_end_row, | |
7108 | &dpyinfo->mouse_face_end_x, | |
7109 | &dpyinfo->mouse_face_end_y, 1); | |
7110 | dpyinfo->mouse_face_past_end = 0; | |
7111 | dpyinfo->mouse_face_window = window; | |
7112 | dpyinfo->mouse_face_face_id | |
7113 | = face_at_string_position (w, object, pos, 0, 0, 0, &ignore, | |
7114 | glyph->face_id, 1); | |
7115 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
58e5af83 | 7116 | cursor = None; |
0d487c52 | 7117 | } |
7e376260 GM |
7118 | else if (STRINGP (object) && NILP (mouse_face)) |
7119 | { | |
7120 | /* A string which doesn't have mouse-face, but | |
7121 | the text ``under'' it might have. */ | |
7122 | struct glyph_row *r = MATRIX_ROW (w->current_matrix, vpos); | |
7123 | int start = MATRIX_ROW_START_CHARPOS (r); | |
7124 | ||
7125 | pos = string_buffer_position (w, object, start); | |
7126 | if (pos > 0) | |
7127 | mouse_face = get_char_property_and_overlay (make_number (pos), | |
7128 | Qmouse_face, | |
7129 | w->buffer, | |
7130 | &overlay); | |
7131 | if (!NILP (mouse_face) && !NILP (overlay)) | |
7132 | { | |
7133 | Lisp_Object before = Foverlay_start (overlay); | |
7134 | Lisp_Object after = Foverlay_end (overlay); | |
91c153e2 | 7135 | int ignore; |
7e376260 GM |
7136 | |
7137 | /* Note that we might not be able to find position | |
7138 | BEFORE in the glyph matrix if the overlay is | |
7139 | entirely covered by a `display' property. In | |
7140 | this case, we overshoot. So let's stop in | |
7141 | the glyph matrix before glyphs for OBJECT. */ | |
7142 | fast_find_position (w, XFASTINT (before), | |
7143 | &dpyinfo->mouse_face_beg_col, | |
7144 | &dpyinfo->mouse_face_beg_row, | |
7145 | &dpyinfo->mouse_face_beg_x, | |
7146 | &dpyinfo->mouse_face_beg_y, | |
7147 | object); | |
7148 | ||
7149 | dpyinfo->mouse_face_past_end | |
7150 | = !fast_find_position (w, XFASTINT (after), | |
7151 | &dpyinfo->mouse_face_end_col, | |
7152 | &dpyinfo->mouse_face_end_row, | |
7153 | &dpyinfo->mouse_face_end_x, | |
7154 | &dpyinfo->mouse_face_end_y, | |
7155 | Qnil); | |
7156 | dpyinfo->mouse_face_window = window; | |
7157 | dpyinfo->mouse_face_face_id | |
7158 | = face_at_buffer_position (w, pos, 0, 0, | |
7159 | &ignore, pos + 1, 1); | |
7160 | ||
7161 | /* Display it as active. */ | |
7162 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
7163 | cursor = None; | |
7164 | } | |
7165 | } | |
0d487c52 | 7166 | } |
06a2c219 | 7167 | |
8bd189fb GM |
7168 | check_help_echo: |
7169 | ||
0d487c52 GM |
7170 | /* Look for a `help-echo' property. */ |
7171 | { | |
7172 | Lisp_Object help, overlay; | |
06a2c219 | 7173 | |
0d487c52 GM |
7174 | /* Check overlays first. */ |
7175 | help = overlay = Qnil; | |
7176 | for (i = noverlays - 1; i >= 0 && NILP (help); --i) | |
7177 | { | |
7178 | overlay = overlay_vec[i]; | |
7179 | help = Foverlay_get (overlay, Qhelp_echo); | |
7180 | } | |
be010514 | 7181 | |
0d487c52 GM |
7182 | if (!NILP (help)) |
7183 | { | |
7184 | help_echo = help; | |
7185 | help_echo_window = window; | |
7186 | help_echo_object = overlay; | |
7187 | help_echo_pos = pos; | |
7188 | } | |
7189 | else | |
7190 | { | |
7191 | Lisp_Object object = glyph->object; | |
7192 | int charpos = glyph->charpos; | |
7177d86b | 7193 | |
0d487c52 GM |
7194 | /* Try text properties. */ |
7195 | if (STRINGP (object) | |
7196 | && charpos >= 0 | |
7197 | && charpos < XSTRING (object)->size) | |
7198 | { | |
7199 | help = Fget_text_property (make_number (charpos), | |
7200 | Qhelp_echo, object); | |
7201 | if (NILP (help)) | |
7202 | { | |
7203 | /* If the string itself doesn't specify a help-echo, | |
7204 | see if the buffer text ``under'' it does. */ | |
7205 | struct glyph_row *r | |
7206 | = MATRIX_ROW (w->current_matrix, vpos); | |
7207 | int start = MATRIX_ROW_START_CHARPOS (r); | |
7208 | int pos = string_buffer_position (w, object, start); | |
7209 | if (pos > 0) | |
7210 | { | |
7e376260 | 7211 | help = Fget_char_property (make_number (pos), |
0d487c52 GM |
7212 | Qhelp_echo, w->buffer); |
7213 | if (!NILP (help)) | |
7214 | { | |
7215 | charpos = pos; | |
7216 | object = w->buffer; | |
7217 | } | |
7218 | } | |
7219 | } | |
7220 | } | |
7221 | else if (BUFFERP (object) | |
7222 | && charpos >= BEGV | |
7223 | && charpos < ZV) | |
7224 | help = Fget_text_property (make_number (charpos), Qhelp_echo, | |
7225 | object); | |
06a2c219 | 7226 | |
0d487c52 GM |
7227 | if (!NILP (help)) |
7228 | { | |
7229 | help_echo = help; | |
7230 | help_echo_window = window; | |
7231 | help_echo_object = object; | |
7232 | help_echo_pos = charpos; | |
7233 | } | |
7234 | } | |
06a2c219 | 7235 | } |
0d487c52 GM |
7236 | |
7237 | BEGV = obegv; | |
7238 | ZV = ozv; | |
7239 | current_buffer = obuf; | |
06a2c219 | 7240 | } |
0d487c52 | 7241 | |
fa262c07 GM |
7242 | set_cursor: |
7243 | ||
0d487c52 GM |
7244 | if (cursor != None) |
7245 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor); | |
06a2c219 GM |
7246 | } |
7247 | ||
7248 | static void | |
7249 | redo_mouse_highlight () | |
7250 | { | |
7251 | if (!NILP (last_mouse_motion_frame) | |
7252 | && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame))) | |
7253 | note_mouse_highlight (XFRAME (last_mouse_motion_frame), | |
7254 | last_mouse_motion_event.x, | |
7255 | last_mouse_motion_event.y); | |
7256 | } | |
7257 | ||
7258 | ||
7259 | \f | |
7260 | /*********************************************************************** | |
9ea173e8 | 7261 | Tool-bars |
06a2c219 GM |
7262 | ***********************************************************************/ |
7263 | ||
9ea173e8 GM |
7264 | static int x_tool_bar_item P_ ((struct frame *, int, int, |
7265 | struct glyph **, int *, int *, int *)); | |
06a2c219 | 7266 | |
9ea173e8 | 7267 | /* Tool-bar item index of the item on which a mouse button was pressed |
06a2c219 GM |
7268 | or -1. */ |
7269 | ||
9ea173e8 | 7270 | static int last_tool_bar_item; |
06a2c219 GM |
7271 | |
7272 | ||
9ea173e8 GM |
7273 | /* Get information about the tool-bar item at position X/Y on frame F. |
7274 | Return in *GLYPH a pointer to the glyph of the tool-bar item in | |
7275 | the current matrix of the tool-bar window of F, or NULL if not | |
7276 | on a tool-bar item. Return in *PROP_IDX the index of the tool-bar | |
8daf1204 | 7277 | item in F->tool_bar_items. Value is |
06a2c219 | 7278 | |
9ea173e8 | 7279 | -1 if X/Y is not on a tool-bar item |
06a2c219 GM |
7280 | 0 if X/Y is on the same item that was highlighted before. |
7281 | 1 otherwise. */ | |
7282 | ||
7283 | static int | |
9ea173e8 | 7284 | x_tool_bar_item (f, x, y, glyph, hpos, vpos, prop_idx) |
06a2c219 GM |
7285 | struct frame *f; |
7286 | int x, y; | |
7287 | struct glyph **glyph; | |
7288 | int *hpos, *vpos, *prop_idx; | |
7289 | { | |
7290 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
9ea173e8 | 7291 | struct window *w = XWINDOW (f->tool_bar_window); |
06a2c219 GM |
7292 | int area; |
7293 | ||
7294 | /* Find the glyph under X/Y. */ | |
f9db2310 | 7295 | *glyph = x_y_to_hpos_vpos (w, x, y, hpos, vpos, &area, 0); |
06a2c219 GM |
7296 | if (*glyph == NULL) |
7297 | return -1; | |
7298 | ||
9ea173e8 | 7299 | /* Get the start of this tool-bar item's properties in |
8daf1204 | 7300 | f->tool_bar_items. */ |
9ea173e8 | 7301 | if (!tool_bar_item_info (f, *glyph, prop_idx)) |
06a2c219 GM |
7302 | return -1; |
7303 | ||
7304 | /* Is mouse on the highlighted item? */ | |
9ea173e8 | 7305 | if (EQ (f->tool_bar_window, dpyinfo->mouse_face_window) |
06a2c219 GM |
7306 | && *vpos >= dpyinfo->mouse_face_beg_row |
7307 | && *vpos <= dpyinfo->mouse_face_end_row | |
7308 | && (*vpos > dpyinfo->mouse_face_beg_row | |
7309 | || *hpos >= dpyinfo->mouse_face_beg_col) | |
7310 | && (*vpos < dpyinfo->mouse_face_end_row | |
7311 | || *hpos < dpyinfo->mouse_face_end_col | |
7312 | || dpyinfo->mouse_face_past_end)) | |
7313 | return 0; | |
7314 | ||
7315 | return 1; | |
7316 | } | |
7317 | ||
7318 | ||
9ea173e8 | 7319 | /* Handle mouse button event on the tool-bar of frame F, at |
06a2c219 GM |
7320 | frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress |
7321 | or ButtonRelase. */ | |
7322 | ||
7323 | static void | |
9ea173e8 | 7324 | x_handle_tool_bar_click (f, button_event) |
06a2c219 GM |
7325 | struct frame *f; |
7326 | XButtonEvent *button_event; | |
7327 | { | |
7328 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
9ea173e8 | 7329 | struct window *w = XWINDOW (f->tool_bar_window); |
06a2c219 GM |
7330 | int hpos, vpos, prop_idx; |
7331 | struct glyph *glyph; | |
7332 | Lisp_Object enabled_p; | |
7333 | int x = button_event->x; | |
7334 | int y = button_event->y; | |
7335 | ||
9ea173e8 | 7336 | /* If not on the highlighted tool-bar item, return. */ |
06a2c219 | 7337 | frame_to_window_pixel_xy (w, &x, &y); |
9ea173e8 | 7338 | if (x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx) != 0) |
06a2c219 GM |
7339 | return; |
7340 | ||
7341 | /* If item is disabled, do nothing. */ | |
8daf1204 | 7342 | enabled_p = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_ENABLED_P); |
06a2c219 GM |
7343 | if (NILP (enabled_p)) |
7344 | return; | |
7345 | ||
7346 | if (button_event->type == ButtonPress) | |
7347 | { | |
7348 | /* Show item in pressed state. */ | |
7349 | show_mouse_face (dpyinfo, DRAW_IMAGE_SUNKEN); | |
7350 | dpyinfo->mouse_face_image_state = DRAW_IMAGE_SUNKEN; | |
9ea173e8 | 7351 | last_tool_bar_item = prop_idx; |
06a2c219 GM |
7352 | } |
7353 | else | |
7354 | { | |
7355 | Lisp_Object key, frame; | |
7356 | struct input_event event; | |
7357 | ||
7358 | /* Show item in released state. */ | |
7359 | show_mouse_face (dpyinfo, DRAW_IMAGE_RAISED); | |
7360 | dpyinfo->mouse_face_image_state = DRAW_IMAGE_RAISED; | |
7361 | ||
8daf1204 | 7362 | key = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_KEY); |
06a2c219 GM |
7363 | |
7364 | XSETFRAME (frame, f); | |
9ea173e8 | 7365 | event.kind = TOOL_BAR_EVENT; |
0f1a9b23 GM |
7366 | event.frame_or_window = frame; |
7367 | event.arg = frame; | |
06a2c219 GM |
7368 | kbd_buffer_store_event (&event); |
7369 | ||
9ea173e8 | 7370 | event.kind = TOOL_BAR_EVENT; |
0f1a9b23 GM |
7371 | event.frame_or_window = frame; |
7372 | event.arg = key; | |
06a2c219 GM |
7373 | event.modifiers = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
7374 | button_event->state); | |
7375 | kbd_buffer_store_event (&event); | |
9ea173e8 | 7376 | last_tool_bar_item = -1; |
06a2c219 GM |
7377 | } |
7378 | } | |
7379 | ||
7380 | ||
9ea173e8 GM |
7381 | /* Possibly highlight a tool-bar item on frame F when mouse moves to |
7382 | tool-bar window-relative coordinates X/Y. Called from | |
06a2c219 GM |
7383 | note_mouse_highlight. */ |
7384 | ||
7385 | static void | |
9ea173e8 | 7386 | note_tool_bar_highlight (f, x, y) |
06a2c219 GM |
7387 | struct frame *f; |
7388 | int x, y; | |
7389 | { | |
9ea173e8 | 7390 | Lisp_Object window = f->tool_bar_window; |
06a2c219 GM |
7391 | struct window *w = XWINDOW (window); |
7392 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
7393 | int hpos, vpos; | |
7394 | struct glyph *glyph; | |
7395 | struct glyph_row *row; | |
5c187dee | 7396 | int i; |
06a2c219 GM |
7397 | Lisp_Object enabled_p; |
7398 | int prop_idx; | |
140330de | 7399 | enum draw_glyphs_face draw; |
5c187dee | 7400 | int mouse_down_p, rc; |
06a2c219 GM |
7401 | |
7402 | /* Function note_mouse_highlight is called with negative x(y | |
7403 | values when mouse moves outside of the frame. */ | |
7404 | if (x <= 0 || y <= 0) | |
7405 | { | |
7406 | clear_mouse_face (dpyinfo); | |
7407 | return; | |
7408 | } | |
7409 | ||
9ea173e8 | 7410 | rc = x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx); |
06a2c219 GM |
7411 | if (rc < 0) |
7412 | { | |
9ea173e8 | 7413 | /* Not on tool-bar item. */ |
06a2c219 GM |
7414 | clear_mouse_face (dpyinfo); |
7415 | return; | |
7416 | } | |
7417 | else if (rc == 0) | |
06a2c219 | 7418 | goto set_help_echo; |
b8009dd1 | 7419 | |
06a2c219 GM |
7420 | clear_mouse_face (dpyinfo); |
7421 | ||
9ea173e8 | 7422 | /* Mouse is down, but on different tool-bar item? */ |
06a2c219 GM |
7423 | mouse_down_p = (dpyinfo->grabbed |
7424 | && f == last_mouse_frame | |
7425 | && FRAME_LIVE_P (f)); | |
7426 | if (mouse_down_p | |
9ea173e8 | 7427 | && last_tool_bar_item != prop_idx) |
06a2c219 GM |
7428 | return; |
7429 | ||
7430 | dpyinfo->mouse_face_image_state = DRAW_NORMAL_TEXT; | |
7431 | draw = mouse_down_p ? DRAW_IMAGE_SUNKEN : DRAW_IMAGE_RAISED; | |
7432 | ||
9ea173e8 | 7433 | /* If tool-bar item is not enabled, don't highlight it. */ |
8daf1204 | 7434 | enabled_p = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_ENABLED_P); |
06a2c219 GM |
7435 | if (!NILP (enabled_p)) |
7436 | { | |
7437 | /* Compute the x-position of the glyph. In front and past the | |
7438 | image is a space. We include this is the highlighted area. */ | |
7439 | row = MATRIX_ROW (w->current_matrix, vpos); | |
7440 | for (i = x = 0; i < hpos; ++i) | |
7441 | x += row->glyphs[TEXT_AREA][i].pixel_width; | |
7442 | ||
7443 | /* Record this as the current active region. */ | |
7444 | dpyinfo->mouse_face_beg_col = hpos; | |
7445 | dpyinfo->mouse_face_beg_row = vpos; | |
7446 | dpyinfo->mouse_face_beg_x = x; | |
7447 | dpyinfo->mouse_face_beg_y = row->y; | |
7448 | dpyinfo->mouse_face_past_end = 0; | |
7449 | ||
7450 | dpyinfo->mouse_face_end_col = hpos + 1; | |
7451 | dpyinfo->mouse_face_end_row = vpos; | |
7452 | dpyinfo->mouse_face_end_x = x + glyph->pixel_width; | |
7453 | dpyinfo->mouse_face_end_y = row->y; | |
7454 | dpyinfo->mouse_face_window = window; | |
9ea173e8 | 7455 | dpyinfo->mouse_face_face_id = TOOL_BAR_FACE_ID; |
06a2c219 GM |
7456 | |
7457 | /* Display it as active. */ | |
7458 | show_mouse_face (dpyinfo, draw); | |
7459 | dpyinfo->mouse_face_image_state = draw; | |
b8009dd1 | 7460 | } |
06a2c219 GM |
7461 | |
7462 | set_help_echo: | |
7463 | ||
9ea173e8 | 7464 | /* Set help_echo to a help string.to display for this tool-bar item. |
06a2c219 | 7465 | XTread_socket does the rest. */ |
7cea38bc | 7466 | help_echo_object = help_echo_window = Qnil; |
be010514 | 7467 | help_echo_pos = -1; |
8daf1204 | 7468 | help_echo = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_HELP); |
b7e80413 | 7469 | if (NILP (help_echo)) |
8daf1204 | 7470 | help_echo = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_CAPTION); |
b8009dd1 | 7471 | } |
4d73d038 | 7472 | |
06a2c219 GM |
7473 | |
7474 | \f | |
9f8531e5 GM |
7475 | /* Find the glyph matrix position of buffer position CHARPOS in window |
7476 | *W. HPOS, *VPOS, *X, and *Y are set to the positions found. W's | |
7477 | current glyphs must be up to date. If CHARPOS is above window | |
7478 | start return (0, 0, 0, 0). If CHARPOS is after end of W, return end | |
7479 | of last line in W. In the row containing CHARPOS, stop before glyphs | |
7e376260 | 7480 | having STOP as object. */ |
b8009dd1 | 7481 | |
9f8531e5 GM |
7482 | #if 0 /* This is a version of fast_find_position that's more correct |
7483 | in the presence of hscrolling, for example. I didn't install | |
7484 | it right away because the problem fixed is minor, it failed | |
7485 | in 20.x as well, and I think it's too risky to install | |
7486 | so near the release of 21.1. 2001-09-25 gerd. */ | |
7487 | ||
7488 | static int | |
7489 | fast_find_position (w, charpos, hpos, vpos, x, y, stop) | |
7490 | struct window *w; | |
7491 | int charpos; | |
7492 | int *hpos, *vpos, *x, *y; | |
7493 | Lisp_Object stop; | |
7494 | { | |
7495 | struct glyph_row *row, *first; | |
7496 | struct glyph *glyph, *end; | |
7497 | int i, past_end = 0; | |
7498 | ||
7499 | first = MATRIX_FIRST_TEXT_ROW (w->current_matrix); | |
62e33982 | 7500 | row = row_containing_pos (w, charpos, first, NULL, 0); |
9f8531e5 GM |
7501 | if (row == NULL) |
7502 | { | |
7503 | if (charpos < MATRIX_ROW_START_CHARPOS (first)) | |
7504 | { | |
7505 | *x = *y = *hpos = *vpos = 0; | |
7506 | return 0; | |
7507 | } | |
7508 | else | |
7509 | { | |
7510 | row = MATRIX_ROW (w->current_matrix, XFASTINT (w->window_end_vpos)); | |
7511 | past_end = 1; | |
7512 | } | |
7513 | } | |
7514 | ||
7515 | *x = row->x; | |
7516 | *y = row->y; | |
7517 | *vpos = MATRIX_ROW_VPOS (row, w->current_matrix); | |
7518 | ||
7519 | glyph = row->glyphs[TEXT_AREA]; | |
7520 | end = glyph + row->used[TEXT_AREA]; | |
7521 | ||
7522 | /* Skip over glyphs not having an object at the start of the row. | |
7523 | These are special glyphs like truncation marks on terminal | |
7524 | frames. */ | |
7525 | if (row->displays_text_p) | |
7526 | while (glyph < end | |
7527 | && INTEGERP (glyph->object) | |
7528 | && !EQ (stop, glyph->object) | |
7529 | && glyph->charpos < 0) | |
7530 | { | |
7531 | *x += glyph->pixel_width; | |
7532 | ++glyph; | |
7533 | } | |
7534 | ||
7535 | while (glyph < end | |
7536 | && !INTEGERP (glyph->object) | |
7537 | && !EQ (stop, glyph->object) | |
7538 | && (!BUFFERP (glyph->object) | |
7539 | || glyph->charpos < charpos)) | |
7540 | { | |
7541 | *x += glyph->pixel_width; | |
7542 | ++glyph; | |
7543 | } | |
7544 | ||
7545 | *hpos = glyph - row->glyphs[TEXT_AREA]; | |
7546 | return past_end; | |
7547 | } | |
7548 | ||
7549 | #else /* not 0 */ | |
7550 | ||
b8009dd1 | 7551 | static int |
7e376260 | 7552 | fast_find_position (w, pos, hpos, vpos, x, y, stop) |
06a2c219 | 7553 | struct window *w; |
b8009dd1 | 7554 | int pos; |
06a2c219 | 7555 | int *hpos, *vpos, *x, *y; |
7e376260 | 7556 | Lisp_Object stop; |
b8009dd1 | 7557 | { |
b8009dd1 | 7558 | int i; |
bf1c0ba1 | 7559 | int lastcol; |
06a2c219 GM |
7560 | int maybe_next_line_p = 0; |
7561 | int line_start_position; | |
7562 | int yb = window_text_bottom_y (w); | |
03d1a189 GM |
7563 | struct glyph_row *row, *best_row; |
7564 | int row_vpos, best_row_vpos; | |
06a2c219 GM |
7565 | int current_x; |
7566 | ||
03d1a189 GM |
7567 | row = best_row = MATRIX_FIRST_TEXT_ROW (w->current_matrix); |
7568 | row_vpos = best_row_vpos = MATRIX_ROW_VPOS (row, w->current_matrix); | |
7569 | ||
06a2c219 | 7570 | while (row->y < yb) |
b8009dd1 | 7571 | { |
06a2c219 GM |
7572 | if (row->used[TEXT_AREA]) |
7573 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
7574 | else | |
7575 | line_start_position = 0; | |
7576 | ||
7577 | if (line_start_position > pos) | |
b8009dd1 | 7578 | break; |
77b68646 RS |
7579 | /* If the position sought is the end of the buffer, |
7580 | don't include the blank lines at the bottom of the window. */ | |
06a2c219 GM |
7581 | else if (line_start_position == pos |
7582 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
77b68646 | 7583 | { |
06a2c219 | 7584 | maybe_next_line_p = 1; |
77b68646 RS |
7585 | break; |
7586 | } | |
06a2c219 GM |
7587 | else if (line_start_position > 0) |
7588 | { | |
7589 | best_row = row; | |
7590 | best_row_vpos = row_vpos; | |
7591 | } | |
4b0bb6f3 GM |
7592 | |
7593 | if (row->y + row->height >= yb) | |
7594 | break; | |
06a2c219 GM |
7595 | |
7596 | ++row; | |
7597 | ++row_vpos; | |
b8009dd1 | 7598 | } |
06a2c219 GM |
7599 | |
7600 | /* Find the right column within BEST_ROW. */ | |
7601 | lastcol = 0; | |
7602 | current_x = best_row->x; | |
7603 | for (i = 0; i < best_row->used[TEXT_AREA]; i++) | |
bf1c0ba1 | 7604 | { |
06a2c219 | 7605 | struct glyph *glyph = best_row->glyphs[TEXT_AREA] + i; |
7e376260 | 7606 | int charpos = glyph->charpos; |
06a2c219 | 7607 | |
7e376260 | 7608 | if (BUFFERP (glyph->object)) |
bf1c0ba1 | 7609 | { |
7e376260 GM |
7610 | if (charpos == pos) |
7611 | { | |
7612 | *hpos = i; | |
7613 | *vpos = best_row_vpos; | |
7614 | *x = current_x; | |
7615 | *y = best_row->y; | |
7616 | return 1; | |
7617 | } | |
7618 | else if (charpos > pos) | |
7619 | break; | |
bf1c0ba1 | 7620 | } |
7e376260 | 7621 | else if (EQ (glyph->object, stop)) |
4d73d038 | 7622 | break; |
06a2c219 | 7623 | |
7e376260 GM |
7624 | if (charpos > 0) |
7625 | lastcol = i; | |
06a2c219 | 7626 | current_x += glyph->pixel_width; |
bf1c0ba1 | 7627 | } |
b8009dd1 | 7628 | |
77b68646 RS |
7629 | /* If we're looking for the end of the buffer, |
7630 | and we didn't find it in the line we scanned, | |
7631 | use the start of the following line. */ | |
06a2c219 | 7632 | if (maybe_next_line_p) |
77b68646 | 7633 | { |
06a2c219 GM |
7634 | ++best_row; |
7635 | ++best_row_vpos; | |
7636 | lastcol = 0; | |
7637 | current_x = best_row->x; | |
77b68646 RS |
7638 | } |
7639 | ||
06a2c219 GM |
7640 | *vpos = best_row_vpos; |
7641 | *hpos = lastcol + 1; | |
7642 | *x = current_x; | |
7643 | *y = best_row->y; | |
b8009dd1 RS |
7644 | return 0; |
7645 | } | |
7646 | ||
9f8531e5 GM |
7647 | #endif /* not 0 */ |
7648 | ||
06a2c219 | 7649 | |
f9db2310 GM |
7650 | /* Find the position of the the glyph for position POS in OBJECT in |
7651 | window W's current matrix, and return in *X/*Y the pixel | |
7652 | coordinates, and return in *HPOS/*VPOS the column/row of the glyph. | |
7653 | ||
7654 | RIGHT_P non-zero means return the position of the right edge of the | |
7655 | glyph, RIGHT_P zero means return the left edge position. | |
7656 | ||
7657 | If no glyph for POS exists in the matrix, return the position of | |
7658 | the glyph with the next smaller position that is in the matrix, if | |
7659 | RIGHT_P is zero. If RIGHT_P is non-zero, and no glyph for POS | |
7660 | exists in the matrix, return the position of the glyph with the | |
7661 | next larger position in OBJECT. | |
7662 | ||
7663 | Value is non-zero if a glyph was found. */ | |
7664 | ||
7665 | static int | |
7666 | fast_find_string_pos (w, pos, object, hpos, vpos, x, y, right_p) | |
7667 | struct window *w; | |
7668 | int pos; | |
7669 | Lisp_Object object; | |
7670 | int *hpos, *vpos, *x, *y; | |
7671 | int right_p; | |
7672 | { | |
7673 | int yb = window_text_bottom_y (w); | |
7674 | struct glyph_row *r; | |
7675 | struct glyph *best_glyph = NULL; | |
7676 | struct glyph_row *best_row = NULL; | |
7677 | int best_x = 0; | |
7678 | ||
7679 | for (r = MATRIX_FIRST_TEXT_ROW (w->current_matrix); | |
7680 | r->enabled_p && r->y < yb; | |
7681 | ++r) | |
7682 | { | |
7683 | struct glyph *g = r->glyphs[TEXT_AREA]; | |
7684 | struct glyph *e = g + r->used[TEXT_AREA]; | |
7685 | int gx; | |
7686 | ||
7687 | for (gx = r->x; g < e; gx += g->pixel_width, ++g) | |
7688 | if (EQ (g->object, object)) | |
7689 | { | |
7690 | if (g->charpos == pos) | |
7691 | { | |
7692 | best_glyph = g; | |
7693 | best_x = gx; | |
7694 | best_row = r; | |
7695 | goto found; | |
7696 | } | |
7697 | else if (best_glyph == NULL | |
7698 | || ((abs (g->charpos - pos) | |
7699 | < abs (best_glyph->charpos - pos)) | |
7700 | && (right_p | |
7701 | ? g->charpos < pos | |
7702 | : g->charpos > pos))) | |
7703 | { | |
7704 | best_glyph = g; | |
7705 | best_x = gx; | |
7706 | best_row = r; | |
7707 | } | |
7708 | } | |
7709 | } | |
7710 | ||
7711 | found: | |
7712 | ||
7713 | if (best_glyph) | |
7714 | { | |
7715 | *x = best_x; | |
7716 | *hpos = best_glyph - best_row->glyphs[TEXT_AREA]; | |
7717 | ||
7718 | if (right_p) | |
7719 | { | |
7720 | *x += best_glyph->pixel_width; | |
7721 | ++*hpos; | |
7722 | } | |
7723 | ||
7724 | *y = best_row->y; | |
7725 | *vpos = best_row - w->current_matrix->rows; | |
7726 | } | |
7727 | ||
7728 | return best_glyph != NULL; | |
7729 | } | |
7730 | ||
7731 | ||
b8009dd1 RS |
7732 | /* Display the active region described by mouse_face_* |
7733 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
7734 | ||
7735 | static void | |
06a2c219 | 7736 | show_mouse_face (dpyinfo, draw) |
7a13e894 | 7737 | struct x_display_info *dpyinfo; |
06a2c219 | 7738 | enum draw_glyphs_face draw; |
b8009dd1 | 7739 | { |
7a13e894 | 7740 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); |
06a2c219 | 7741 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
06a2c219 | 7742 | |
b2bbd509 GM |
7743 | if (/* If window is in the process of being destroyed, don't bother |
7744 | to do anything. */ | |
7745 | w->current_matrix != NULL | |
7746 | /* Recognize when we are called to operate on rows that don't exist | |
7747 | anymore. This can happen when a window is split. */ | |
7748 | && dpyinfo->mouse_face_end_row < w->current_matrix->nrows) | |
06a2c219 | 7749 | { |
b2bbd509 GM |
7750 | int phys_cursor_on_p = w->phys_cursor_on_p; |
7751 | struct glyph_row *row, *first, *last; | |
06a2c219 | 7752 | |
b2bbd509 GM |
7753 | first = MATRIX_ROW (w->current_matrix, dpyinfo->mouse_face_beg_row); |
7754 | last = MATRIX_ROW (w->current_matrix, dpyinfo->mouse_face_end_row); | |
7755 | ||
7756 | for (row = first; row <= last && row->enabled_p; ++row) | |
06a2c219 | 7757 | { |
b2bbd509 | 7758 | int start_hpos, end_hpos, start_x; |
06a2c219 | 7759 | |
b2bbd509 GM |
7760 | /* For all but the first row, the highlight starts at column 0. */ |
7761 | if (row == first) | |
7762 | { | |
7763 | start_hpos = dpyinfo->mouse_face_beg_col; | |
7764 | start_x = dpyinfo->mouse_face_beg_x; | |
7765 | } | |
7766 | else | |
7767 | { | |
7768 | start_hpos = 0; | |
7769 | start_x = 0; | |
7770 | } | |
06a2c219 | 7771 | |
b2bbd509 GM |
7772 | if (row == last) |
7773 | end_hpos = dpyinfo->mouse_face_end_col; | |
7774 | else | |
7775 | end_hpos = row->used[TEXT_AREA]; | |
b8009dd1 | 7776 | |
b2bbd509 GM |
7777 | if (end_hpos > start_hpos) |
7778 | { | |
7779 | x_draw_glyphs (w, start_x, row, TEXT_AREA, | |
7780 | start_hpos, end_hpos, draw, 0); | |
b8009dd1 | 7781 | |
b2bbd509 GM |
7782 | row->mouse_face_p = draw == DRAW_MOUSE_FACE || DRAW_IMAGE_RAISED; |
7783 | } | |
7784 | } | |
2729a2b5 | 7785 | |
b2bbd509 GM |
7786 | /* When we've written over the cursor, arrange for it to |
7787 | be displayed again. */ | |
7788 | if (phys_cursor_on_p && !w->phys_cursor_on_p) | |
7789 | x_display_cursor (w, 1, | |
7790 | w->phys_cursor.hpos, w->phys_cursor.vpos, | |
7791 | w->phys_cursor.x, w->phys_cursor.y); | |
7792 | } | |
fb3b7de5 | 7793 | |
06a2c219 GM |
7794 | /* Change the mouse cursor. */ |
7795 | if (draw == DRAW_NORMAL_TEXT) | |
7796 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
7797 | f->output_data.x->text_cursor); | |
7798 | else if (draw == DRAW_MOUSE_FACE) | |
334208b7 | 7799 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 7800 | f->output_data.x->cross_cursor); |
27ead1d5 | 7801 | else |
334208b7 | 7802 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
06a2c219 | 7803 | f->output_data.x->nontext_cursor); |
b8009dd1 RS |
7804 | } |
7805 | ||
7806 | /* Clear out the mouse-highlighted active region. | |
fa262c07 GM |
7807 | Redraw it un-highlighted first. Value is non-zero if mouse |
7808 | face was actually drawn unhighlighted. */ | |
b8009dd1 | 7809 | |
fa262c07 | 7810 | static int |
7a13e894 RS |
7811 | clear_mouse_face (dpyinfo) |
7812 | struct x_display_info *dpyinfo; | |
b8009dd1 | 7813 | { |
fa262c07 | 7814 | int cleared = 0; |
06a2c219 | 7815 | |
fa262c07 GM |
7816 | if (!NILP (dpyinfo->mouse_face_window)) |
7817 | { | |
7818 | show_mouse_face (dpyinfo, DRAW_NORMAL_TEXT); | |
7819 | cleared = 1; | |
7820 | } | |
b8009dd1 | 7821 | |
7a13e894 RS |
7822 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
7823 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
7824 | dpyinfo->mouse_face_window = Qnil; | |
1b85dc1c | 7825 | dpyinfo->mouse_face_overlay = Qnil; |
fa262c07 | 7826 | return cleared; |
b8009dd1 | 7827 | } |
e687d06e | 7828 | |
71b8321e GM |
7829 | |
7830 | /* Clear any mouse-face on window W. This function is part of the | |
7831 | redisplay interface, and is called from try_window_id and similar | |
7832 | functions to ensure the mouse-highlight is off. */ | |
7833 | ||
7834 | static void | |
7835 | x_clear_mouse_face (w) | |
7836 | struct window *w; | |
7837 | { | |
7838 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (XFRAME (w->frame)); | |
7839 | Lisp_Object window; | |
7840 | ||
2e636f9d | 7841 | BLOCK_INPUT; |
71b8321e GM |
7842 | XSETWINDOW (window, w); |
7843 | if (EQ (window, dpyinfo->mouse_face_window)) | |
7844 | clear_mouse_face (dpyinfo); | |
2e636f9d | 7845 | UNBLOCK_INPUT; |
71b8321e GM |
7846 | } |
7847 | ||
7848 | ||
e687d06e RS |
7849 | /* Just discard the mouse face information for frame F, if any. |
7850 | This is used when the size of F is changed. */ | |
7851 | ||
dfcf069d | 7852 | void |
e687d06e RS |
7853 | cancel_mouse_face (f) |
7854 | FRAME_PTR f; | |
7855 | { | |
7856 | Lisp_Object window; | |
7857 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
7858 | ||
7859 | window = dpyinfo->mouse_face_window; | |
7860 | if (! NILP (window) && XFRAME (XWINDOW (window)->frame) == f) | |
7861 | { | |
7862 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
7863 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
7864 | dpyinfo->mouse_face_window = Qnil; | |
7865 | } | |
7866 | } | |
b52b65bd | 7867 | |
b8009dd1 | 7868 | \f |
b52b65bd GM |
7869 | static int glyph_rect P_ ((struct frame *f, int, int, XRectangle *)); |
7870 | ||
7871 | ||
7872 | /* Try to determine frame pixel position and size of the glyph under | |
7873 | frame pixel coordinates X/Y on frame F . Return the position and | |
7874 | size in *RECT. Value is non-zero if we could compute these | |
7875 | values. */ | |
7876 | ||
7877 | static int | |
7878 | glyph_rect (f, x, y, rect) | |
7879 | struct frame *f; | |
7880 | int x, y; | |
7881 | XRectangle *rect; | |
7882 | { | |
7883 | Lisp_Object window; | |
7884 | int part, found = 0; | |
7885 | ||
7886 | window = window_from_coordinates (f, x, y, &part, 0); | |
7887 | if (!NILP (window)) | |
7888 | { | |
7889 | struct window *w = XWINDOW (window); | |
7890 | struct glyph_row *r = MATRIX_FIRST_TEXT_ROW (w->current_matrix); | |
7891 | struct glyph_row *end = r + w->current_matrix->nrows - 1; | |
b52b65bd GM |
7892 | |
7893 | frame_to_window_pixel_xy (w, &x, &y); | |
7894 | ||
7895 | for (; !found && r < end && r->enabled_p; ++r) | |
7896 | if (r->y >= y) | |
7897 | { | |
7898 | struct glyph *g = r->glyphs[TEXT_AREA]; | |
7899 | struct glyph *end = g + r->used[TEXT_AREA]; | |
7900 | int gx; | |
7901 | ||
7902 | for (gx = r->x; !found && g < end; gx += g->pixel_width, ++g) | |
7903 | if (gx >= x) | |
7904 | { | |
7905 | rect->width = g->pixel_width; | |
7906 | rect->height = r->height; | |
7907 | rect->x = WINDOW_TO_FRAME_PIXEL_X (w, gx); | |
7908 | rect->y = WINDOW_TO_FRAME_PIXEL_Y (w, r->y); | |
7909 | found = 1; | |
7910 | } | |
7911 | } | |
7912 | } | |
7913 | ||
7914 | return found; | |
7915 | } | |
7916 | ||
12ba150f | 7917 | |
90e65f07 | 7918 | /* Return the current position of the mouse. |
b52b65bd | 7919 | *FP should be a frame which indicates which display to ask about. |
90e65f07 | 7920 | |
b52b65bd GM |
7921 | If the mouse movement started in a scroll bar, set *FP, *BAR_WINDOW, |
7922 | and *PART to the frame, window, and scroll bar part that the mouse | |
7923 | is over. Set *X and *Y to the portion and whole of the mouse's | |
ab648270 | 7924 | position on the scroll bar. |
12ba150f | 7925 | |
b52b65bd GM |
7926 | If the mouse movement started elsewhere, set *FP to the frame the |
7927 | mouse is on, *BAR_WINDOW to nil, and *X and *Y to the character cell | |
12ba150f JB |
7928 | the mouse is over. |
7929 | ||
b52b65bd | 7930 | Set *TIME to the server time-stamp for the time at which the mouse |
12ba150f JB |
7931 | was at this position. |
7932 | ||
a135645a RS |
7933 | Don't store anything if we don't have a valid set of values to report. |
7934 | ||
90e65f07 | 7935 | This clears the mouse_moved flag, so we can wait for the next mouse |
f5bb65ec | 7936 | movement. */ |
90e65f07 JB |
7937 | |
7938 | static void | |
1cf412ec | 7939 | XTmouse_position (fp, insist, bar_window, part, x, y, time) |
334208b7 | 7940 | FRAME_PTR *fp; |
1cf412ec | 7941 | int insist; |
12ba150f | 7942 | Lisp_Object *bar_window; |
ab648270 | 7943 | enum scroll_bar_part *part; |
90e65f07 | 7944 | Lisp_Object *x, *y; |
e5d77022 | 7945 | unsigned long *time; |
90e65f07 | 7946 | { |
a135645a RS |
7947 | FRAME_PTR f1; |
7948 | ||
90e65f07 JB |
7949 | BLOCK_INPUT; |
7950 | ||
8bcee03e | 7951 | if (! NILP (last_mouse_scroll_bar) && insist == 0) |
334208b7 | 7952 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
90e65f07 JB |
7953 | else |
7954 | { | |
12ba150f JB |
7955 | Window root; |
7956 | int root_x, root_y; | |
90e65f07 | 7957 | |
12ba150f JB |
7958 | Window dummy_window; |
7959 | int dummy; | |
7960 | ||
39d8bb4d KH |
7961 | Lisp_Object frame, tail; |
7962 | ||
7963 | /* Clear the mouse-moved flag for every frame on this display. */ | |
7964 | FOR_EACH_FRAME (tail, frame) | |
7965 | if (FRAME_X_DISPLAY (XFRAME (frame)) == FRAME_X_DISPLAY (*fp)) | |
7966 | XFRAME (frame)->mouse_moved = 0; | |
7967 | ||
ab648270 | 7968 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
7969 | |
7970 | /* Figure out which root window we're on. */ | |
334208b7 RS |
7971 | XQueryPointer (FRAME_X_DISPLAY (*fp), |
7972 | DefaultRootWindow (FRAME_X_DISPLAY (*fp)), | |
12ba150f JB |
7973 | |
7974 | /* The root window which contains the pointer. */ | |
7975 | &root, | |
7976 | ||
7977 | /* Trash which we can't trust if the pointer is on | |
7978 | a different screen. */ | |
7979 | &dummy_window, | |
7980 | ||
7981 | /* The position on that root window. */ | |
58769bee | 7982 | &root_x, &root_y, |
12ba150f JB |
7983 | |
7984 | /* More trash we can't trust. */ | |
7985 | &dummy, &dummy, | |
7986 | ||
7987 | /* Modifier keys and pointer buttons, about which | |
7988 | we don't care. */ | |
7989 | (unsigned int *) &dummy); | |
7990 | ||
7991 | /* Now we have a position on the root; find the innermost window | |
7992 | containing the pointer. */ | |
7993 | { | |
7994 | Window win, child; | |
7995 | int win_x, win_y; | |
06a2c219 | 7996 | int parent_x = 0, parent_y = 0; |
e99db5a1 | 7997 | int count; |
12ba150f JB |
7998 | |
7999 | win = root; | |
69388238 | 8000 | |
2d7fc7e8 RS |
8001 | /* XTranslateCoordinates can get errors if the window |
8002 | structure is changing at the same time this function | |
8003 | is running. So at least we must not crash from them. */ | |
8004 | ||
e99db5a1 | 8005 | count = x_catch_errors (FRAME_X_DISPLAY (*fp)); |
2d7fc7e8 | 8006 | |
334208b7 | 8007 | if (FRAME_X_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
23faf38f | 8008 | && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 8009 | { |
69388238 RS |
8010 | /* If mouse was grabbed on a frame, give coords for that frame |
8011 | even if the mouse is now outside it. */ | |
334208b7 | 8012 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
69388238 | 8013 | |
12ba150f | 8014 | /* From-window, to-window. */ |
69388238 | 8015 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
8016 | |
8017 | /* From-position, to-position. */ | |
8018 | root_x, root_y, &win_x, &win_y, | |
8019 | ||
8020 | /* Child of win. */ | |
8021 | &child); | |
69388238 RS |
8022 | f1 = last_mouse_frame; |
8023 | } | |
8024 | else | |
8025 | { | |
8026 | while (1) | |
8027 | { | |
334208b7 | 8028 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
12ba150f | 8029 | |
69388238 RS |
8030 | /* From-window, to-window. */ |
8031 | root, win, | |
12ba150f | 8032 | |
69388238 RS |
8033 | /* From-position, to-position. */ |
8034 | root_x, root_y, &win_x, &win_y, | |
8035 | ||
8036 | /* Child of win. */ | |
8037 | &child); | |
8038 | ||
9af3143a | 8039 | if (child == None || child == win) |
69388238 RS |
8040 | break; |
8041 | ||
8042 | win = child; | |
8043 | parent_x = win_x; | |
8044 | parent_y = win_y; | |
8045 | } | |
12ba150f | 8046 | |
69388238 RS |
8047 | /* Now we know that: |
8048 | win is the innermost window containing the pointer | |
8049 | (XTC says it has no child containing the pointer), | |
8050 | win_x and win_y are the pointer's position in it | |
8051 | (XTC did this the last time through), and | |
8052 | parent_x and parent_y are the pointer's position in win's parent. | |
8053 | (They are what win_x and win_y were when win was child. | |
8054 | If win is the root window, it has no parent, and | |
8055 | parent_{x,y} are invalid, but that's okay, because we'll | |
8056 | never use them in that case.) */ | |
8057 | ||
8058 | /* Is win one of our frames? */ | |
19126e11 | 8059 | f1 = x_any_window_to_frame (FRAME_X_DISPLAY_INFO (*fp), win); |
aad0f6ab GM |
8060 | |
8061 | #ifdef USE_X_TOOLKIT | |
8062 | /* If we end up with the menu bar window, say it's not | |
8063 | on the frame. */ | |
8064 | if (f1 != NULL | |
8065 | && f1->output_data.x->menubar_widget | |
8066 | && win == XtWindow (f1->output_data.x->menubar_widget)) | |
8067 | f1 = NULL; | |
8068 | #endif /* USE_X_TOOLKIT */ | |
69388238 | 8069 | } |
58769bee | 8070 | |
2d7fc7e8 RS |
8071 | if (x_had_errors_p (FRAME_X_DISPLAY (*fp))) |
8072 | f1 = 0; | |
8073 | ||
e99db5a1 | 8074 | x_uncatch_errors (FRAME_X_DISPLAY (*fp), count); |
2d7fc7e8 | 8075 | |
ab648270 | 8076 | /* If not, is it one of our scroll bars? */ |
a135645a | 8077 | if (! f1) |
12ba150f | 8078 | { |
ab648270 | 8079 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
8080 | |
8081 | if (bar) | |
8082 | { | |
a135645a | 8083 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
8084 | win_x = parent_x; |
8085 | win_y = parent_y; | |
8086 | } | |
8087 | } | |
90e65f07 | 8088 | |
8bcee03e | 8089 | if (f1 == 0 && insist > 0) |
b86bd3dd | 8090 | f1 = SELECTED_FRAME (); |
1cf412ec | 8091 | |
a135645a | 8092 | if (f1) |
12ba150f | 8093 | { |
06a2c219 GM |
8094 | /* Ok, we found a frame. Store all the values. |
8095 | last_mouse_glyph is a rectangle used to reduce the | |
8096 | generation of mouse events. To not miss any motion | |
8097 | events, we must divide the frame into rectangles of the | |
8098 | size of the smallest character that could be displayed | |
8099 | on it, i.e. into the same rectangles that matrices on | |
8100 | the frame are divided into. */ | |
8101 | ||
b52b65bd GM |
8102 | int width, height, gx, gy; |
8103 | XRectangle rect; | |
8104 | ||
8105 | if (glyph_rect (f1, win_x, win_y, &rect)) | |
8106 | last_mouse_glyph = rect; | |
8107 | else | |
8108 | { | |
8109 | width = FRAME_SMALLEST_CHAR_WIDTH (f1); | |
8110 | height = FRAME_SMALLEST_FONT_HEIGHT (f1); | |
8111 | gx = win_x; | |
8112 | gy = win_y; | |
06a2c219 | 8113 | |
b52b65bd GM |
8114 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to |
8115 | round down even for negative values. */ | |
8116 | if (gx < 0) | |
8117 | gx -= width - 1; | |
4f00e84d | 8118 | if (gy < 0) |
b52b65bd GM |
8119 | gy -= height - 1; |
8120 | gx = (gx + width - 1) / width * width; | |
8121 | gy = (gy + height - 1) / height * height; | |
8122 | ||
8123 | last_mouse_glyph.width = width; | |
8124 | last_mouse_glyph.height = height; | |
8125 | last_mouse_glyph.x = gx; | |
8126 | last_mouse_glyph.y = gy; | |
8127 | } | |
12ba150f JB |
8128 | |
8129 | *bar_window = Qnil; | |
8130 | *part = 0; | |
334208b7 | 8131 | *fp = f1; |
e0c1aef2 KH |
8132 | XSETINT (*x, win_x); |
8133 | XSETINT (*y, win_y); | |
12ba150f JB |
8134 | *time = last_mouse_movement_time; |
8135 | } | |
8136 | } | |
8137 | } | |
90e65f07 JB |
8138 | |
8139 | UNBLOCK_INPUT; | |
8140 | } | |
f451eb13 | 8141 | |
06a2c219 | 8142 | |
06a2c219 | 8143 | #ifdef USE_X_TOOLKIT |
bffcfca9 GM |
8144 | |
8145 | /* Atimer callback function for TIMER. Called every 0.1s to process | |
8146 | Xt timeouts, if needed. We must avoid calling XtAppPending as | |
8147 | much as possible because that function does an implicit XFlush | |
8148 | that slows us down. */ | |
8149 | ||
8150 | static void | |
8151 | x_process_timeouts (timer) | |
8152 | struct atimer *timer; | |
8153 | { | |
8154 | if (toolkit_scroll_bar_interaction || popup_activated_flag) | |
8155 | { | |
8156 | BLOCK_INPUT; | |
8157 | while (XtAppPending (Xt_app_con) & XtIMTimer) | |
8158 | XtAppProcessEvent (Xt_app_con, XtIMTimer); | |
8159 | UNBLOCK_INPUT; | |
8160 | } | |
06a2c219 GM |
8161 | } |
8162 | ||
bffcfca9 | 8163 | #endif /* USE_X_TOOLKIT */ |
06a2c219 GM |
8164 | |
8165 | \f | |
8166 | /* Scroll bar support. */ | |
8167 | ||
8168 | /* Given an X window ID, find the struct scroll_bar which manages it. | |
8169 | This can be called in GC, so we have to make sure to strip off mark | |
8170 | bits. */ | |
bffcfca9 | 8171 | |
06a2c219 GM |
8172 | static struct scroll_bar * |
8173 | x_window_to_scroll_bar (window_id) | |
8174 | Window window_id; | |
8175 | { | |
8176 | Lisp_Object tail; | |
8177 | ||
8178 | for (tail = Vframe_list; | |
8179 | XGCTYPE (tail) == Lisp_Cons; | |
8e713be6 | 8180 | tail = XCDR (tail)) |
06a2c219 GM |
8181 | { |
8182 | Lisp_Object frame, bar, condemned; | |
8183 | ||
8e713be6 | 8184 | frame = XCAR (tail); |
06a2c219 GM |
8185 | /* All elements of Vframe_list should be frames. */ |
8186 | if (! GC_FRAMEP (frame)) | |
8187 | abort (); | |
8188 | ||
8189 | /* Scan this frame's scroll bar list for a scroll bar with the | |
8190 | right window ID. */ | |
8191 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); | |
8192 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
8193 | /* This trick allows us to search both the ordinary and | |
8194 | condemned scroll bar lists with one loop. */ | |
8195 | ! GC_NILP (bar) || (bar = condemned, | |
8196 | condemned = Qnil, | |
8197 | ! GC_NILP (bar)); | |
8198 | bar = XSCROLL_BAR (bar)->next) | |
8199 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
8200 | return XSCROLL_BAR (bar); | |
8201 | } | |
8202 | ||
8203 | return 0; | |
8204 | } | |
8205 | ||
8206 | ||
01f67d2c | 8207 | #if defined USE_LUCID |
c95fc5f1 GM |
8208 | |
8209 | /* Return the Lucid menu bar WINDOW is part of. Return null | |
8210 | if WINDOW is not part of a menu bar. */ | |
8211 | ||
8212 | static Widget | |
8213 | x_window_to_menu_bar (window) | |
8214 | Window window; | |
8215 | { | |
8216 | Lisp_Object tail; | |
8217 | ||
8218 | for (tail = Vframe_list; | |
8219 | XGCTYPE (tail) == Lisp_Cons; | |
8220 | tail = XCDR (tail)) | |
8221 | { | |
8222 | Lisp_Object frame = XCAR (tail); | |
8223 | Widget menu_bar = XFRAME (frame)->output_data.x->menubar_widget; | |
8224 | ||
8225 | if (menu_bar && xlwmenu_window_p (menu_bar, window)) | |
8226 | return menu_bar; | |
8227 | } | |
8228 | ||
8229 | return NULL; | |
8230 | } | |
8231 | ||
01f67d2c | 8232 | #endif /* USE_LUCID */ |
c95fc5f1 | 8233 | |
06a2c219 GM |
8234 | \f |
8235 | /************************************************************************ | |
8236 | Toolkit scroll bars | |
8237 | ************************************************************************/ | |
8238 | ||
eccc05db | 8239 | #ifdef USE_TOOLKIT_SCROLL_BARS |
06a2c219 GM |
8240 | |
8241 | static void x_scroll_bar_to_input_event P_ ((XEvent *, struct input_event *)); | |
8242 | static void x_send_scroll_bar_event P_ ((Lisp_Object, int, int, int)); | |
8243 | static void x_create_toolkit_scroll_bar P_ ((struct frame *, | |
8244 | struct scroll_bar *)); | |
8245 | static void x_set_toolkit_scroll_bar_thumb P_ ((struct scroll_bar *, | |
8246 | int, int, int)); | |
8247 | ||
8248 | ||
8249 | /* Id of action hook installed for scroll bars. */ | |
8250 | ||
8251 | static XtActionHookId action_hook_id; | |
8252 | ||
8253 | /* Lisp window being scrolled. Set when starting to interact with | |
8254 | a toolkit scroll bar, reset to nil when ending the interaction. */ | |
8255 | ||
8256 | static Lisp_Object window_being_scrolled; | |
8257 | ||
8258 | /* Last scroll bar part sent in xm_scroll_callback. */ | |
8259 | ||
8260 | static int last_scroll_bar_part; | |
8261 | ||
ec18280f SM |
8262 | /* Whether this is an Xaw with arrow-scrollbars. This should imply |
8263 | that movements of 1/20 of the screen size are mapped to up/down. */ | |
8264 | ||
8265 | static Boolean xaw3d_arrow_scroll; | |
8266 | ||
8267 | /* Whether the drag scrolling maintains the mouse at the top of the | |
8268 | thumb. If not, resizing the thumb needs to be done more carefully | |
8269 | to avoid jerkyness. */ | |
8270 | ||
8271 | static Boolean xaw3d_pick_top; | |
8272 | ||
06a2c219 GM |
8273 | |
8274 | /* Action hook installed via XtAppAddActionHook when toolkit scroll | |
ec18280f | 8275 | bars are used.. The hook is responsible for detecting when |
06a2c219 GM |
8276 | the user ends an interaction with the scroll bar, and generates |
8277 | a `end-scroll' scroll_bar_click' event if so. */ | |
8278 | ||
8279 | static void | |
8280 | xt_action_hook (widget, client_data, action_name, event, params, | |
8281 | num_params) | |
8282 | Widget widget; | |
8283 | XtPointer client_data; | |
8284 | String action_name; | |
8285 | XEvent *event; | |
8286 | String *params; | |
8287 | Cardinal *num_params; | |
8288 | { | |
8289 | int scroll_bar_p; | |
8290 | char *end_action; | |
8291 | ||
8292 | #ifdef USE_MOTIF | |
8293 | scroll_bar_p = XmIsScrollBar (widget); | |
8294 | end_action = "Release"; | |
ec18280f | 8295 | #else /* !USE_MOTIF i.e. use Xaw */ |
06a2c219 GM |
8296 | scroll_bar_p = XtIsSubclass (widget, scrollbarWidgetClass); |
8297 | end_action = "EndScroll"; | |
ec18280f | 8298 | #endif /* USE_MOTIF */ |
06a2c219 | 8299 | |
06a2c219 GM |
8300 | if (scroll_bar_p |
8301 | && strcmp (action_name, end_action) == 0 | |
8302 | && WINDOWP (window_being_scrolled)) | |
8303 | { | |
8304 | struct window *w; | |
8305 | ||
8306 | x_send_scroll_bar_event (window_being_scrolled, | |
8307 | scroll_bar_end_scroll, 0, 0); | |
8308 | w = XWINDOW (window_being_scrolled); | |
8309 | XSCROLL_BAR (w->vertical_scroll_bar)->dragging = Qnil; | |
8310 | window_being_scrolled = Qnil; | |
8311 | last_scroll_bar_part = -1; | |
bffcfca9 GM |
8312 | |
8313 | /* Xt timeouts no longer needed. */ | |
8314 | toolkit_scroll_bar_interaction = 0; | |
06a2c219 GM |
8315 | } |
8316 | } | |
8317 | ||
07b3d16e GM |
8318 | /* A vector of windows used for communication between |
8319 | x_send_scroll_bar_event and x_scroll_bar_to_input_event. */ | |
8320 | ||
8321 | static struct window **scroll_bar_windows; | |
8322 | static int scroll_bar_windows_size; | |
8323 | ||
06a2c219 GM |
8324 | |
8325 | /* Send a client message with message type Xatom_Scrollbar for a | |
8326 | scroll action to the frame of WINDOW. PART is a value identifying | |
8327 | the part of the scroll bar that was clicked on. PORTION is the | |
8328 | amount to scroll of a whole of WHOLE. */ | |
8329 | ||
8330 | static void | |
8331 | x_send_scroll_bar_event (window, part, portion, whole) | |
8332 | Lisp_Object window; | |
8333 | int part, portion, whole; | |
8334 | { | |
8335 | XEvent event; | |
8336 | XClientMessageEvent *ev = (XClientMessageEvent *) &event; | |
07b3d16e GM |
8337 | struct window *w = XWINDOW (window); |
8338 | struct frame *f = XFRAME (w->frame); | |
8339 | int i; | |
06a2c219 | 8340 | |
07b3d16e GM |
8341 | BLOCK_INPUT; |
8342 | ||
06a2c219 GM |
8343 | /* Construct a ClientMessage event to send to the frame. */ |
8344 | ev->type = ClientMessage; | |
8345 | ev->message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_Scrollbar; | |
8346 | ev->display = FRAME_X_DISPLAY (f); | |
8347 | ev->window = FRAME_X_WINDOW (f); | |
8348 | ev->format = 32; | |
07b3d16e GM |
8349 | |
8350 | /* We can only transfer 32 bits in the XClientMessageEvent, which is | |
8351 | not enough to store a pointer or Lisp_Object on a 64 bit system. | |
8352 | So, store the window in scroll_bar_windows and pass the index | |
8353 | into that array in the event. */ | |
8354 | for (i = 0; i < scroll_bar_windows_size; ++i) | |
8355 | if (scroll_bar_windows[i] == NULL) | |
8356 | break; | |
8357 | ||
8358 | if (i == scroll_bar_windows_size) | |
8359 | { | |
8360 | int new_size = max (10, 2 * scroll_bar_windows_size); | |
8361 | size_t nbytes = new_size * sizeof *scroll_bar_windows; | |
8362 | size_t old_nbytes = scroll_bar_windows_size * sizeof *scroll_bar_windows; | |
8363 | ||
8364 | scroll_bar_windows = (struct window **) xrealloc (scroll_bar_windows, | |
8365 | nbytes); | |
8366 | bzero (&scroll_bar_windows[i], nbytes - old_nbytes); | |
8367 | scroll_bar_windows_size = new_size; | |
8368 | } | |
8369 | ||
8370 | scroll_bar_windows[i] = w; | |
8371 | ev->data.l[0] = (long) i; | |
06a2c219 GM |
8372 | ev->data.l[1] = (long) part; |
8373 | ev->data.l[2] = (long) 0; | |
8374 | ev->data.l[3] = (long) portion; | |
8375 | ev->data.l[4] = (long) whole; | |
8376 | ||
bffcfca9 GM |
8377 | /* Make Xt timeouts work while the scroll bar is active. */ |
8378 | toolkit_scroll_bar_interaction = 1; | |
8379 | ||
06a2c219 GM |
8380 | /* Setting the event mask to zero means that the message will |
8381 | be sent to the client that created the window, and if that | |
8382 | window no longer exists, no event will be sent. */ | |
06a2c219 GM |
8383 | XSendEvent (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), False, 0, &event); |
8384 | UNBLOCK_INPUT; | |
8385 | } | |
8386 | ||
8387 | ||
8388 | /* Transform a scroll bar ClientMessage EVENT to an Emacs input event | |
8389 | in *IEVENT. */ | |
8390 | ||
8391 | static void | |
8392 | x_scroll_bar_to_input_event (event, ievent) | |
8393 | XEvent *event; | |
8394 | struct input_event *ievent; | |
8395 | { | |
8396 | XClientMessageEvent *ev = (XClientMessageEvent *) event; | |
52e386c2 KR |
8397 | Lisp_Object window; |
8398 | struct frame *f; | |
07b3d16e GM |
8399 | struct window *w; |
8400 | ||
8401 | w = scroll_bar_windows[ev->data.l[0]]; | |
8402 | scroll_bar_windows[ev->data.l[0]] = NULL; | |
52e386c2 | 8403 | |
07b3d16e GM |
8404 | XSETWINDOW (window, w); |
8405 | f = XFRAME (w->frame); | |
06a2c219 GM |
8406 | |
8407 | ievent->kind = scroll_bar_click; | |
8408 | ievent->frame_or_window = window; | |
0f8aabe9 | 8409 | ievent->arg = Qnil; |
06a2c219 GM |
8410 | ievent->timestamp = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); |
8411 | ievent->part = ev->data.l[1]; | |
8412 | ievent->code = ev->data.l[2]; | |
8413 | ievent->x = make_number ((int) ev->data.l[3]); | |
8414 | ievent->y = make_number ((int) ev->data.l[4]); | |
8415 | ievent->modifiers = 0; | |
8416 | } | |
8417 | ||
8418 | ||
8419 | #ifdef USE_MOTIF | |
8420 | ||
8421 | /* Minimum and maximum values used for Motif scroll bars. */ | |
8422 | ||
8423 | #define XM_SB_MIN 1 | |
8424 | #define XM_SB_MAX 10000000 | |
8425 | #define XM_SB_RANGE (XM_SB_MAX - XM_SB_MIN) | |
8426 | ||
8427 | ||
8428 | /* Scroll bar callback for Motif scroll bars. WIDGET is the scroll | |
8429 | bar widget. CLIENT_DATA is a pointer to the scroll_bar structure. | |
8430 | CALL_DATA is a pointer a a XmScrollBarCallbackStruct. */ | |
8431 | ||
8432 | static void | |
8433 | xm_scroll_callback (widget, client_data, call_data) | |
8434 | Widget widget; | |
8435 | XtPointer client_data, call_data; | |
8436 | { | |
8437 | struct scroll_bar *bar = (struct scroll_bar *) client_data; | |
8438 | XmScrollBarCallbackStruct *cs = (XmScrollBarCallbackStruct *) call_data; | |
06a2c219 GM |
8439 | int part = -1, whole = 0, portion = 0; |
8440 | ||
8441 | switch (cs->reason) | |
8442 | { | |
8443 | case XmCR_DECREMENT: | |
8444 | bar->dragging = Qnil; | |
8445 | part = scroll_bar_up_arrow; | |
8446 | break; | |
8447 | ||
8448 | case XmCR_INCREMENT: | |
8449 | bar->dragging = Qnil; | |
8450 | part = scroll_bar_down_arrow; | |
8451 | break; | |
8452 | ||
8453 | case XmCR_PAGE_DECREMENT: | |
8454 | bar->dragging = Qnil; | |
8455 | part = scroll_bar_above_handle; | |
8456 | break; | |
8457 | ||
8458 | case XmCR_PAGE_INCREMENT: | |
8459 | bar->dragging = Qnil; | |
8460 | part = scroll_bar_below_handle; | |
8461 | break; | |
8462 | ||
8463 | case XmCR_TO_TOP: | |
8464 | bar->dragging = Qnil; | |
8465 | part = scroll_bar_to_top; | |
8466 | break; | |
8467 | ||
8468 | case XmCR_TO_BOTTOM: | |
8469 | bar->dragging = Qnil; | |
8470 | part = scroll_bar_to_bottom; | |
8471 | break; | |
8472 | ||
8473 | case XmCR_DRAG: | |
8474 | { | |
8475 | int slider_size; | |
8476 | int dragging_down_p = (INTEGERP (bar->dragging) | |
8477 | && XINT (bar->dragging) <= cs->value); | |
8478 | ||
8479 | /* Get the slider size. */ | |
8480 | BLOCK_INPUT; | |
8481 | XtVaGetValues (widget, XmNsliderSize, &slider_size, NULL); | |
8482 | UNBLOCK_INPUT; | |
8483 | ||
8484 | /* At the max position of the scroll bar, do a line-wise | |
23442ae4 GM |
8485 | movement. Without doing anything, we would be called with |
8486 | the same cs->value again and again. If we want to make | |
8487 | sure that we can reach the end of the buffer, we have to do | |
8488 | something. | |
06a2c219 GM |
8489 | |
8490 | Implementation note: setting bar->dragging always to | |
8491 | cs->value gives a smoother movement at the max position. | |
8492 | Setting it to nil when doing line-wise movement gives | |
8493 | a better slider behavior. */ | |
8494 | ||
8495 | if (cs->value + slider_size == XM_SB_MAX | |
8496 | || (dragging_down_p | |
8497 | && last_scroll_bar_part == scroll_bar_down_arrow)) | |
8498 | { | |
8499 | part = scroll_bar_down_arrow; | |
8500 | bar->dragging = Qnil; | |
8501 | } | |
8502 | else | |
8503 | { | |
8504 | whole = XM_SB_RANGE; | |
8505 | portion = min (cs->value - XM_SB_MIN, XM_SB_MAX - slider_size); | |
8506 | part = scroll_bar_handle; | |
8507 | bar->dragging = make_number (cs->value); | |
8508 | } | |
8509 | } | |
8510 | break; | |
8511 | ||
8512 | case XmCR_VALUE_CHANGED: | |
8513 | break; | |
8514 | }; | |
8515 | ||
8516 | if (part >= 0) | |
8517 | { | |
8518 | window_being_scrolled = bar->window; | |
8519 | last_scroll_bar_part = part; | |
8520 | x_send_scroll_bar_event (bar->window, part, portion, whole); | |
8521 | } | |
8522 | } | |
8523 | ||
8524 | ||
ec18280f | 8525 | #else /* !USE_MOTIF, i.e. Xaw. */ |
06a2c219 GM |
8526 | |
8527 | ||
ec18280f | 8528 | /* Xaw scroll bar callback. Invoked when the thumb is dragged. |
06a2c219 GM |
8529 | WIDGET is the scroll bar widget. CLIENT_DATA is a pointer to the |
8530 | scroll bar struct. CALL_DATA is a pointer to a float saying where | |
8531 | the thumb is. */ | |
8532 | ||
8533 | static void | |
ec18280f | 8534 | xaw_jump_callback (widget, client_data, call_data) |
06a2c219 GM |
8535 | Widget widget; |
8536 | XtPointer client_data, call_data; | |
8537 | { | |
8538 | struct scroll_bar *bar = (struct scroll_bar *) client_data; | |
8539 | float top = *(float *) call_data; | |
8540 | float shown; | |
ec18280f SM |
8541 | int whole, portion, height; |
8542 | int part; | |
06a2c219 GM |
8543 | |
8544 | /* Get the size of the thumb, a value between 0 and 1. */ | |
8545 | BLOCK_INPUT; | |
ec18280f | 8546 | XtVaGetValues (widget, XtNshown, &shown, XtNheight, &height, NULL); |
06a2c219 GM |
8547 | UNBLOCK_INPUT; |
8548 | ||
8549 | whole = 10000000; | |
8550 | portion = shown < 1 ? top * whole : 0; | |
06a2c219 | 8551 | |
ec18280f SM |
8552 | if (shown < 1 && (abs (top + shown - 1) < 1.0/height)) |
8553 | /* Some derivatives of Xaw refuse to shrink the thumb when you reach | |
8554 | the bottom, so we force the scrolling whenever we see that we're | |
8555 | too close to the bottom (in x_set_toolkit_scroll_bar_thumb | |
8556 | we try to ensure that we always stay two pixels away from the | |
8557 | bottom). */ | |
06a2c219 GM |
8558 | part = scroll_bar_down_arrow; |
8559 | else | |
8560 | part = scroll_bar_handle; | |
8561 | ||
8562 | window_being_scrolled = bar->window; | |
8563 | bar->dragging = make_number (portion); | |
8564 | last_scroll_bar_part = part; | |
8565 | x_send_scroll_bar_event (bar->window, part, portion, whole); | |
8566 | } | |
8567 | ||
8568 | ||
ec18280f SM |
8569 | /* Xaw scroll bar callback. Invoked for incremental scrolling., |
8570 | i.e. line or page up or down. WIDGET is the Xaw scroll bar | |
06a2c219 GM |
8571 | widget. CLIENT_DATA is a pointer to the scroll_bar structure for |
8572 | the scroll bar. CALL_DATA is an integer specifying the action that | |
8573 | has taken place. It's magnitude is in the range 0..height of the | |
8574 | scroll bar. Negative values mean scroll towards buffer start. | |
8575 | Values < height of scroll bar mean line-wise movement. */ | |
8576 | ||
8577 | static void | |
ec18280f | 8578 | xaw_scroll_callback (widget, client_data, call_data) |
06a2c219 GM |
8579 | Widget widget; |
8580 | XtPointer client_data, call_data; | |
8581 | { | |
8582 | struct scroll_bar *bar = (struct scroll_bar *) client_data; | |
8583 | int position = (int) call_data; | |
8584 | Dimension height; | |
8585 | int part; | |
8586 | ||
8587 | /* Get the height of the scroll bar. */ | |
8588 | BLOCK_INPUT; | |
8589 | XtVaGetValues (widget, XtNheight, &height, NULL); | |
8590 | UNBLOCK_INPUT; | |
8591 | ||
ec18280f SM |
8592 | if (abs (position) >= height) |
8593 | part = (position < 0) ? scroll_bar_above_handle : scroll_bar_below_handle; | |
8594 | ||
8595 | /* If Xaw3d was compiled with ARROW_SCROLLBAR, | |
8596 | it maps line-movement to call_data = max(5, height/20). */ | |
8597 | else if (xaw3d_arrow_scroll && abs (position) <= max (5, height / 20)) | |
8598 | part = (position < 0) ? scroll_bar_up_arrow : scroll_bar_down_arrow; | |
06a2c219 | 8599 | else |
ec18280f | 8600 | part = scroll_bar_move_ratio; |
06a2c219 GM |
8601 | |
8602 | window_being_scrolled = bar->window; | |
8603 | bar->dragging = Qnil; | |
8604 | last_scroll_bar_part = part; | |
ec18280f | 8605 | x_send_scroll_bar_event (bar->window, part, position, height); |
06a2c219 GM |
8606 | } |
8607 | ||
8608 | ||
8609 | #endif /* not USE_MOTIF */ | |
8610 | ||
8611 | ||
8612 | /* Create the widget for scroll bar BAR on frame F. Record the widget | |
8613 | and X window of the scroll bar in BAR. */ | |
8614 | ||
8615 | static void | |
8616 | x_create_toolkit_scroll_bar (f, bar) | |
8617 | struct frame *f; | |
8618 | struct scroll_bar *bar; | |
8619 | { | |
8620 | Window xwindow; | |
8621 | Widget widget; | |
8622 | Arg av[20]; | |
8623 | int ac = 0; | |
8624 | char *scroll_bar_name = "verticalScrollBar"; | |
8625 | unsigned long pixel; | |
8626 | ||
8627 | BLOCK_INPUT; | |
8628 | ||
8629 | #ifdef USE_MOTIF | |
06a2c219 GM |
8630 | /* Set resources. Create the widget. */ |
8631 | XtSetArg (av[ac], XtNmappedWhenManaged, False); ++ac; | |
8632 | XtSetArg (av[ac], XmNminimum, XM_SB_MIN); ++ac; | |
8633 | XtSetArg (av[ac], XmNmaximum, XM_SB_MAX); ++ac; | |
8634 | XtSetArg (av[ac], XmNorientation, XmVERTICAL); ++ac; | |
8635 | XtSetArg (av[ac], XmNprocessingDirection, XmMAX_ON_BOTTOM), ++ac; | |
8636 | XtSetArg (av[ac], XmNincrement, 1); ++ac; | |
8637 | XtSetArg (av[ac], XmNpageIncrement, 1); ++ac; | |
8638 | ||
8639 | pixel = f->output_data.x->scroll_bar_foreground_pixel; | |
8640 | if (pixel != -1) | |
8641 | { | |
8642 | XtSetArg (av[ac], XmNforeground, pixel); | |
8643 | ++ac; | |
8644 | } | |
8645 | ||
8646 | pixel = f->output_data.x->scroll_bar_background_pixel; | |
8647 | if (pixel != -1) | |
8648 | { | |
8649 | XtSetArg (av[ac], XmNbackground, pixel); | |
8650 | ++ac; | |
8651 | } | |
8652 | ||
8653 | widget = XmCreateScrollBar (f->output_data.x->edit_widget, | |
8654 | scroll_bar_name, av, ac); | |
8655 | ||
8656 | /* Add one callback for everything that can happen. */ | |
8657 | XtAddCallback (widget, XmNdecrementCallback, xm_scroll_callback, | |
8658 | (XtPointer) bar); | |
8659 | XtAddCallback (widget, XmNdragCallback, xm_scroll_callback, | |
8660 | (XtPointer) bar); | |
8661 | XtAddCallback (widget, XmNincrementCallback, xm_scroll_callback, | |
8662 | (XtPointer) bar); | |
8663 | XtAddCallback (widget, XmNpageDecrementCallback, xm_scroll_callback, | |
8664 | (XtPointer) bar); | |
8665 | XtAddCallback (widget, XmNpageIncrementCallback, xm_scroll_callback, | |
8666 | (XtPointer) bar); | |
8667 | XtAddCallback (widget, XmNtoBottomCallback, xm_scroll_callback, | |
8668 | (XtPointer) bar); | |
8669 | XtAddCallback (widget, XmNtoTopCallback, xm_scroll_callback, | |
8670 | (XtPointer) bar); | |
8671 | ||
8672 | /* Realize the widget. Only after that is the X window created. */ | |
8673 | XtRealizeWidget (widget); | |
8674 | ||
8675 | /* Set the cursor to an arrow. I didn't find a resource to do that. | |
8676 | And I'm wondering why it hasn't an arrow cursor by default. */ | |
8677 | XDefineCursor (XtDisplay (widget), XtWindow (widget), | |
8678 | f->output_data.x->nontext_cursor); | |
8679 | ||
ec18280f | 8680 | #else /* !USE_MOTIF i.e. use Xaw */ |
06a2c219 GM |
8681 | |
8682 | /* Set resources. Create the widget. The background of the | |
8683 | Xaw3d scroll bar widget is a little bit light for my taste. | |
8684 | We don't alter it here to let users change it according | |
8685 | to their taste with `emacs*verticalScrollBar.background: xxx'. */ | |
8686 | XtSetArg (av[ac], XtNmappedWhenManaged, False); ++ac; | |
8687 | XtSetArg (av[ac], XtNorientation, XtorientVertical); ++ac; | |
ec18280f SM |
8688 | /* For smoother scrolling with Xaw3d -sm */ |
8689 | /* XtSetArg (av[ac], XtNpickTop, True); ++ac; */ | |
06a2c219 GM |
8690 | |
8691 | pixel = f->output_data.x->scroll_bar_foreground_pixel; | |
8692 | if (pixel != -1) | |
8693 | { | |
8694 | XtSetArg (av[ac], XtNforeground, pixel); | |
8695 | ++ac; | |
8696 | } | |
8697 | ||
8698 | pixel = f->output_data.x->scroll_bar_background_pixel; | |
8699 | if (pixel != -1) | |
8700 | { | |
8701 | XtSetArg (av[ac], XtNbackground, pixel); | |
8702 | ++ac; | |
8703 | } | |
7c1bef7a MB |
8704 | |
8705 | /* Top/bottom shadow colors. */ | |
8706 | ||
8707 | /* Allocate them, if necessary. */ | |
8708 | if (f->output_data.x->scroll_bar_top_shadow_pixel == -1) | |
8709 | { | |
8710 | pixel = f->output_data.x->scroll_bar_background_pixel; | |
8711 | if (!x_alloc_lighter_color (f, FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), | |
8712 | &pixel, 1.2, 0x8000)) | |
8713 | pixel = -1; | |
8714 | f->output_data.x->scroll_bar_top_shadow_pixel = pixel; | |
8715 | } | |
8716 | if (f->output_data.x->scroll_bar_bottom_shadow_pixel == -1) | |
8717 | { | |
8718 | pixel = f->output_data.x->scroll_bar_background_pixel; | |
8719 | if (!x_alloc_lighter_color (f, FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), | |
8720 | &pixel, 0.6, 0x4000)) | |
8721 | pixel = -1; | |
8722 | f->output_data.x->scroll_bar_bottom_shadow_pixel = pixel; | |
8723 | } | |
8724 | ||
8725 | /* Tell the toolkit about them. */ | |
8726 | if (f->output_data.x->scroll_bar_top_shadow_pixel == -1 | |
8727 | || f->output_data.x->scroll_bar_bottom_shadow_pixel == -1) | |
8728 | /* We tried to allocate a color for the top/bottom shadow, and | |
8729 | failed, so tell Xaw3d to use dithering instead. */ | |
8730 | { | |
8731 | XtSetArg (av[ac], XtNbeNiceToColormap, True); | |
8732 | ++ac; | |
8733 | } | |
8734 | else | |
8735 | /* Tell what colors Xaw3d should use for the top/bottom shadow, to | |
8736 | be more consistent with other emacs 3d colors, and since Xaw3d is | |
8737 | not good at dealing with allocation failure. */ | |
8738 | { | |
8739 | /* This tells Xaw3d to use real colors instead of dithering for | |
8740 | the shadows. */ | |
8741 | XtSetArg (av[ac], XtNbeNiceToColormap, False); | |
8742 | ++ac; | |
8743 | ||
8744 | /* Specify the colors. */ | |
8745 | pixel = f->output_data.x->scroll_bar_top_shadow_pixel; | |
8746 | if (pixel != -1) | |
8747 | { | |
8748 | XtSetArg (av[ac], "topShadowPixel", pixel); | |
8749 | ++ac; | |
8750 | } | |
8751 | pixel = f->output_data.x->scroll_bar_bottom_shadow_pixel; | |
8752 | if (pixel != -1) | |
8753 | { | |
8754 | XtSetArg (av[ac], "bottomShadowPixel", pixel); | |
8755 | ++ac; | |
8756 | } | |
8757 | } | |
8758 | ||
06a2c219 GM |
8759 | widget = XtCreateWidget (scroll_bar_name, scrollbarWidgetClass, |
8760 | f->output_data.x->edit_widget, av, ac); | |
ec18280f SM |
8761 | |
8762 | { | |
8763 | char *initial = ""; | |
8764 | char *val = initial; | |
8765 | XtVaGetValues (widget, XtNscrollVCursor, (XtPointer) &val, | |
8766 | XtNpickTop, (XtPointer) &xaw3d_pick_top, NULL); | |
8767 | if (val == initial) | |
8768 | { /* ARROW_SCROLL */ | |
8769 | xaw3d_arrow_scroll = True; | |
8770 | /* Isn't that just a personal preference ? -sm */ | |
8771 | XtVaSetValues (widget, XtNcursorName, "top_left_arrow", NULL); | |
8772 | } | |
8773 | } | |
06a2c219 GM |
8774 | |
8775 | /* Define callbacks. */ | |
ec18280f SM |
8776 | XtAddCallback (widget, XtNjumpProc, xaw_jump_callback, (XtPointer) bar); |
8777 | XtAddCallback (widget, XtNscrollProc, xaw_scroll_callback, | |
06a2c219 GM |
8778 | (XtPointer) bar); |
8779 | ||
8780 | /* Realize the widget. Only after that is the X window created. */ | |
8781 | XtRealizeWidget (widget); | |
8782 | ||
ec18280f | 8783 | #endif /* !USE_MOTIF */ |
06a2c219 GM |
8784 | |
8785 | /* Install an action hook that let's us detect when the user | |
8786 | finishes interacting with a scroll bar. */ | |
8787 | if (action_hook_id == 0) | |
8788 | action_hook_id = XtAppAddActionHook (Xt_app_con, xt_action_hook, 0); | |
8789 | ||
8790 | /* Remember X window and widget in the scroll bar vector. */ | |
8791 | SET_SCROLL_BAR_X_WIDGET (bar, widget); | |
8792 | xwindow = XtWindow (widget); | |
8793 | SET_SCROLL_BAR_X_WINDOW (bar, xwindow); | |
8794 | ||
8795 | UNBLOCK_INPUT; | |
8796 | } | |
8797 | ||
8798 | ||
8799 | /* Set the thumb size and position of scroll bar BAR. We are currently | |
8800 | displaying PORTION out of a whole WHOLE, and our position POSITION. */ | |
8801 | ||
8802 | static void | |
8803 | x_set_toolkit_scroll_bar_thumb (bar, portion, position, whole) | |
8804 | struct scroll_bar *bar; | |
8805 | int portion, position, whole; | |
f451eb13 | 8806 | { |
e83dc917 GM |
8807 | struct frame *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
8808 | Widget widget = SCROLL_BAR_X_WIDGET (FRAME_X_DISPLAY (f), bar); | |
06a2c219 | 8809 | float top, shown; |
f451eb13 | 8810 | |
06a2c219 GM |
8811 | if (whole == 0) |
8812 | top = 0, shown = 1; | |
8813 | else | |
f451eb13 | 8814 | { |
06a2c219 GM |
8815 | top = (float) position / whole; |
8816 | shown = (float) portion / whole; | |
8817 | } | |
f451eb13 | 8818 | |
06a2c219 | 8819 | BLOCK_INPUT; |
f451eb13 | 8820 | |
06a2c219 GM |
8821 | #ifdef USE_MOTIF |
8822 | { | |
8823 | int size, value; | |
06a2c219 | 8824 | |
ec18280f | 8825 | /* Slider size. Must be in the range [1 .. MAX - MIN] where MAX |
06a2c219 GM |
8826 | is the scroll bar's maximum and MIN is the scroll bar's minimum |
8827 | value. */ | |
8828 | size = shown * XM_SB_RANGE; | |
8829 | size = min (size, XM_SB_RANGE); | |
8830 | size = max (size, 1); | |
8831 | ||
8832 | /* Position. Must be in the range [MIN .. MAX - SLIDER_SIZE]. */ | |
8833 | value = top * XM_SB_RANGE; | |
8834 | value = min (value, XM_SB_MAX - size); | |
8835 | value = max (value, XM_SB_MIN); | |
8836 | ||
06a2c219 GM |
8837 | if (NILP (bar->dragging)) |
8838 | XmScrollBarSetValues (widget, value, size, 0, 0, False); | |
8839 | else if (last_scroll_bar_part == scroll_bar_down_arrow) | |
8840 | /* This has the negative side effect that the slider value is | |
ec18280f | 8841 | not what it would be if we scrolled here using line-wise or |
06a2c219 GM |
8842 | page-wise movement. */ |
8843 | XmScrollBarSetValues (widget, value, XM_SB_RANGE - value, 0, 0, False); | |
8844 | else | |
8845 | { | |
8846 | /* If currently dragging, only update the slider size. | |
8847 | This reduces flicker effects. */ | |
8848 | int old_value, old_size, increment, page_increment; | |
8849 | ||
8850 | XmScrollBarGetValues (widget, &old_value, &old_size, | |
8851 | &increment, &page_increment); | |
8852 | XmScrollBarSetValues (widget, old_value, | |
8853 | min (size, XM_SB_RANGE - old_value), | |
8854 | 0, 0, False); | |
8855 | } | |
06a2c219 | 8856 | } |
ec18280f | 8857 | #else /* !USE_MOTIF i.e. use Xaw */ |
06a2c219 | 8858 | { |
ec18280f SM |
8859 | float old_top, old_shown; |
8860 | Dimension height; | |
8861 | XtVaGetValues (widget, | |
8862 | XtNtopOfThumb, &old_top, | |
8863 | XtNshown, &old_shown, | |
8864 | XtNheight, &height, | |
8865 | NULL); | |
8866 | ||
8867 | /* Massage the top+shown values. */ | |
8868 | if (NILP (bar->dragging) || last_scroll_bar_part == scroll_bar_down_arrow) | |
8869 | top = max (0, min (1, top)); | |
8870 | else | |
8871 | top = old_top; | |
8872 | /* Keep two pixels available for moving the thumb down. */ | |
8873 | shown = max (0, min (1 - top - (2.0 / height), shown)); | |
06a2c219 GM |
8874 | |
8875 | /* If the call to XawScrollbarSetThumb below doesn't seem to work, | |
8876 | check that your system's configuration file contains a define | |
8877 | for `NARROWPROTO'. See s/freebsd.h for an example. */ | |
ec18280f | 8878 | if (top != old_top || shown != old_shown) |
eb393530 | 8879 | { |
ec18280f | 8880 | if (NILP (bar->dragging)) |
eb393530 | 8881 | XawScrollbarSetThumb (widget, top, shown); |
06a2c219 GM |
8882 | else |
8883 | { | |
ec18280f SM |
8884 | #ifdef HAVE_XAW3D |
8885 | ScrollbarWidget sb = (ScrollbarWidget) widget; | |
3e71d8f2 | 8886 | int scroll_mode = 0; |
ec18280f SM |
8887 | |
8888 | /* `scroll_mode' only exists with Xaw3d + ARROW_SCROLLBAR. */ | |
8889 | if (xaw3d_arrow_scroll) | |
8890 | { | |
8891 | /* Xaw3d stupidly ignores resize requests while dragging | |
8892 | so we have to make it believe it's not in dragging mode. */ | |
8893 | scroll_mode = sb->scrollbar.scroll_mode; | |
8894 | if (scroll_mode == 2) | |
8895 | sb->scrollbar.scroll_mode = 0; | |
8896 | } | |
8897 | #endif | |
8898 | /* Try to make the scrolling a tad smoother. */ | |
8899 | if (!xaw3d_pick_top) | |
8900 | shown = min (shown, old_shown); | |
8901 | ||
8902 | XawScrollbarSetThumb (widget, top, shown); | |
8903 | ||
8904 | #ifdef HAVE_XAW3D | |
8905 | if (xaw3d_arrow_scroll && scroll_mode == 2) | |
8906 | sb->scrollbar.scroll_mode = scroll_mode; | |
8907 | #endif | |
06a2c219 | 8908 | } |
06a2c219 GM |
8909 | } |
8910 | } | |
ec18280f | 8911 | #endif /* !USE_MOTIF */ |
06a2c219 GM |
8912 | |
8913 | UNBLOCK_INPUT; | |
f451eb13 JB |
8914 | } |
8915 | ||
06a2c219 GM |
8916 | #endif /* USE_TOOLKIT_SCROLL_BARS */ |
8917 | ||
8918 | ||
8919 | \f | |
8920 | /************************************************************************ | |
8921 | Scroll bars, general | |
8922 | ************************************************************************/ | |
8923 | ||
8924 | /* Create a scroll bar and return the scroll bar vector for it. W is | |
8925 | the Emacs window on which to create the scroll bar. TOP, LEFT, | |
8926 | WIDTH and HEIGHT are.the pixel coordinates and dimensions of the | |
8927 | scroll bar. */ | |
8928 | ||
ab648270 | 8929 | static struct scroll_bar * |
06a2c219 GM |
8930 | x_scroll_bar_create (w, top, left, width, height) |
8931 | struct window *w; | |
f451eb13 JB |
8932 | int top, left, width, height; |
8933 | { | |
06a2c219 | 8934 | struct frame *f = XFRAME (w->frame); |
334208b7 RS |
8935 | struct scroll_bar *bar |
8936 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
8937 | |
8938 | BLOCK_INPUT; | |
8939 | ||
eccc05db | 8940 | #ifdef USE_TOOLKIT_SCROLL_BARS |
06a2c219 GM |
8941 | x_create_toolkit_scroll_bar (f, bar); |
8942 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
f451eb13 JB |
8943 | { |
8944 | XSetWindowAttributes a; | |
8945 | unsigned long mask; | |
5c187dee | 8946 | Window window; |
06a2c219 GM |
8947 | |
8948 | a.background_pixel = f->output_data.x->scroll_bar_background_pixel; | |
8949 | if (a.background_pixel == -1) | |
8950 | a.background_pixel = f->output_data.x->background_pixel; | |
8951 | ||
12ba150f | 8952 | a.event_mask = (ButtonPressMask | ButtonReleaseMask |
9a572e2a | 8953 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 8954 | | ExposureMask); |
7a13e894 | 8955 | a.cursor = FRAME_X_DISPLAY_INFO (f)->vertical_scroll_bar_cursor; |
f451eb13 | 8956 | |
dbc4e1c1 | 8957 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 8958 | |
06a2c219 GM |
8959 | /* Clear the area of W that will serve as a scroll bar. This is |
8960 | for the case that a window has been split horizontally. In | |
8961 | this case, no clear_frame is generated to reduce flickering. */ | |
7b49b9d2 GM |
8962 | if (width > 0 && height > 0) |
8963 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
8964 | left, top, width, | |
8965 | window_box_height (w), False); | |
06a2c219 GM |
8966 | |
8967 | window = XCreateWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
8968 | /* Position and size of scroll bar. */ | |
8969 | left + VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
8970 | top, | |
8971 | width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, | |
8972 | height, | |
8973 | /* Border width, depth, class, and visual. */ | |
8974 | 0, | |
8975 | CopyFromParent, | |
8976 | CopyFromParent, | |
8977 | CopyFromParent, | |
8978 | /* Attributes. */ | |
8979 | mask, &a); | |
8980 | SET_SCROLL_BAR_X_WINDOW (bar, window); | |
f451eb13 | 8981 | } |
06a2c219 | 8982 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 | 8983 | |
06a2c219 | 8984 | XSETWINDOW (bar->window, w); |
e0c1aef2 KH |
8985 | XSETINT (bar->top, top); |
8986 | XSETINT (bar->left, left); | |
8987 | XSETINT (bar->width, width); | |
8988 | XSETINT (bar->height, height); | |
8989 | XSETINT (bar->start, 0); | |
8990 | XSETINT (bar->end, 0); | |
12ba150f | 8991 | bar->dragging = Qnil; |
f451eb13 JB |
8992 | |
8993 | /* Add bar to its frame's list of scroll bars. */ | |
334208b7 | 8994 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 8995 | bar->prev = Qnil; |
334208b7 | 8996 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
06a2c219 | 8997 | if (!NILP (bar->next)) |
e0c1aef2 | 8998 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
f451eb13 | 8999 | |
06a2c219 | 9000 | /* Map the window/widget. */ |
eccc05db | 9001 | #ifdef USE_TOOLKIT_SCROLL_BARS |
f964b4d7 GM |
9002 | { |
9003 | Widget scroll_bar = SCROLL_BAR_X_WIDGET (FRAME_X_DISPLAY (f), bar); | |
9004 | XtConfigureWidget (scroll_bar, | |
9005 | left + VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
9006 | top, | |
9007 | width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, | |
9008 | max (height, 1), 0); | |
9009 | XtMapWidget (scroll_bar); | |
9010 | } | |
06a2c219 | 9011 | #else /* not USE_TOOLKIT_SCROLL_BARS */ |
7f9c7f94 | 9012 | XMapRaised (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
06a2c219 | 9013 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 JB |
9014 | |
9015 | UNBLOCK_INPUT; | |
12ba150f | 9016 | return bar; |
f451eb13 JB |
9017 | } |
9018 | ||
06a2c219 | 9019 | |
12ba150f | 9020 | /* Draw BAR's handle in the proper position. |
06a2c219 | 9021 | |
12ba150f JB |
9022 | If the handle is already drawn from START to END, don't bother |
9023 | redrawing it, unless REBUILD is non-zero; in that case, always | |
9024 | redraw it. (REBUILD is handy for drawing the handle after expose | |
58769bee | 9025 | events.) |
12ba150f JB |
9026 | |
9027 | Normally, we want to constrain the start and end of the handle to | |
06a2c219 GM |
9028 | fit inside its rectangle, but if the user is dragging the scroll |
9029 | bar handle, we want to let them drag it down all the way, so that | |
9030 | the bar's top is as far down as it goes; otherwise, there's no way | |
9031 | to move to the very end of the buffer. */ | |
9032 | ||
5c187dee GM |
9033 | #ifndef USE_TOOLKIT_SCROLL_BARS |
9034 | ||
f451eb13 | 9035 | static void |
ab648270 JB |
9036 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
9037 | struct scroll_bar *bar; | |
f451eb13 | 9038 | int start, end; |
12ba150f | 9039 | int rebuild; |
f451eb13 | 9040 | { |
12ba150f | 9041 | int dragging = ! NILP (bar->dragging); |
ab648270 | 9042 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 | 9043 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7556890b | 9044 | GC gc = f->output_data.x->normal_gc; |
12ba150f JB |
9045 | |
9046 | /* If the display is already accurate, do nothing. */ | |
9047 | if (! rebuild | |
9048 | && start == XINT (bar->start) | |
9049 | && end == XINT (bar->end)) | |
9050 | return; | |
9051 | ||
f451eb13 JB |
9052 | BLOCK_INPUT; |
9053 | ||
9054 | { | |
d9cdbb3d RS |
9055 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (f, XINT (bar->width)); |
9056 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, XINT (bar->height)); | |
9057 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); | |
f451eb13 JB |
9058 | |
9059 | /* Make sure the values are reasonable, and try to preserve | |
9060 | the distance between start and end. */ | |
12ba150f JB |
9061 | { |
9062 | int length = end - start; | |
9063 | ||
9064 | if (start < 0) | |
9065 | start = 0; | |
9066 | else if (start > top_range) | |
9067 | start = top_range; | |
9068 | end = start + length; | |
9069 | ||
9070 | if (end < start) | |
9071 | end = start; | |
9072 | else if (end > top_range && ! dragging) | |
9073 | end = top_range; | |
9074 | } | |
f451eb13 | 9075 | |
ab648270 | 9076 | /* Store the adjusted setting in the scroll bar. */ |
e0c1aef2 KH |
9077 | XSETINT (bar->start, start); |
9078 | XSETINT (bar->end, end); | |
f451eb13 | 9079 | |
12ba150f JB |
9080 | /* Clip the end position, just for display. */ |
9081 | if (end > top_range) | |
9082 | end = top_range; | |
f451eb13 | 9083 | |
ab648270 | 9084 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
9085 | below top positions, to make sure the handle is always at least |
9086 | that many pixels tall. */ | |
ab648270 | 9087 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 9088 | |
12ba150f JB |
9089 | /* Draw the empty space above the handle. Note that we can't clear |
9090 | zero-height areas; that means "clear to end of window." */ | |
9091 | if (0 < start) | |
c5e6e06b GM |
9092 | x_clear_area (FRAME_X_DISPLAY (f), w, |
9093 | /* x, y, width, height, and exposures. */ | |
9094 | VERTICAL_SCROLL_BAR_LEFT_BORDER, | |
9095 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
9096 | inside_width, start, | |
9097 | False); | |
f451eb13 | 9098 | |
06a2c219 GM |
9099 | /* Change to proper foreground color if one is specified. */ |
9100 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) | |
9101 | XSetForeground (FRAME_X_DISPLAY (f), gc, | |
9102 | f->output_data.x->scroll_bar_foreground_pixel); | |
9103 | ||
12ba150f | 9104 | /* Draw the handle itself. */ |
334208b7 | 9105 | XFillRectangle (FRAME_X_DISPLAY (f), w, gc, |
12ba150f | 9106 | /* x, y, width, height */ |
ab648270 JB |
9107 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
9108 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 9109 | inside_width, end - start); |
f451eb13 | 9110 | |
06a2c219 GM |
9111 | /* Restore the foreground color of the GC if we changed it above. */ |
9112 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) | |
9113 | XSetForeground (FRAME_X_DISPLAY (f), gc, | |
9114 | f->output_data.x->foreground_pixel); | |
f451eb13 | 9115 | |
12ba150f JB |
9116 | /* Draw the empty space below the handle. Note that we can't |
9117 | clear zero-height areas; that means "clear to end of window." */ | |
9118 | if (end < inside_height) | |
c5e6e06b GM |
9119 | x_clear_area (FRAME_X_DISPLAY (f), w, |
9120 | /* x, y, width, height, and exposures. */ | |
9121 | VERTICAL_SCROLL_BAR_LEFT_BORDER, | |
9122 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
9123 | inside_width, inside_height - end, | |
9124 | False); | |
f451eb13 | 9125 | |
f451eb13 JB |
9126 | } |
9127 | ||
f451eb13 JB |
9128 | UNBLOCK_INPUT; |
9129 | } | |
9130 | ||
5c187dee | 9131 | #endif /* !USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 | 9132 | |
06a2c219 GM |
9133 | /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to |
9134 | nil. */ | |
58769bee | 9135 | |
12ba150f | 9136 | static void |
ab648270 JB |
9137 | x_scroll_bar_remove (bar) |
9138 | struct scroll_bar *bar; | |
12ba150f | 9139 | { |
e83dc917 | 9140 | struct frame *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
9141 | BLOCK_INPUT; |
9142 | ||
eccc05db | 9143 | #ifdef USE_TOOLKIT_SCROLL_BARS |
e83dc917 GM |
9144 | XtDestroyWidget (SCROLL_BAR_X_WIDGET (FRAME_X_DISPLAY (f), bar)); |
9145 | #else | |
9146 | XDestroyWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); | |
9147 | #endif | |
06a2c219 | 9148 | |
ab648270 JB |
9149 | /* Disassociate this scroll bar from its window. */ |
9150 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
9151 | |
9152 | UNBLOCK_INPUT; | |
9153 | } | |
9154 | ||
06a2c219 | 9155 | |
12ba150f JB |
9156 | /* Set the handle of the vertical scroll bar for WINDOW to indicate |
9157 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 9158 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f | 9159 | create one. */ |
06a2c219 | 9160 | |
12ba150f | 9161 | static void |
06a2c219 GM |
9162 | XTset_vertical_scroll_bar (w, portion, whole, position) |
9163 | struct window *w; | |
f451eb13 JB |
9164 | int portion, whole, position; |
9165 | { | |
06a2c219 | 9166 | struct frame *f = XFRAME (w->frame); |
ab648270 | 9167 | struct scroll_bar *bar; |
3c6ede7b | 9168 | int top, height, left, sb_left, width, sb_width; |
06a2c219 | 9169 | int window_x, window_y, window_width, window_height; |
06a2c219 | 9170 | |
3c6ede7b | 9171 | /* Get window dimensions. */ |
06a2c219 | 9172 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); |
3c6ede7b GM |
9173 | top = window_y; |
9174 | width = FRAME_SCROLL_BAR_COLS (f) * CANON_X_UNIT (f); | |
9175 | height = window_height; | |
06a2c219 | 9176 | |
3c6ede7b | 9177 | /* Compute the left edge of the scroll bar area. */ |
06a2c219 | 9178 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) |
3c6ede7b GM |
9179 | left = XINT (w->left) + XINT (w->width) - FRAME_SCROLL_BAR_COLS (f); |
9180 | else | |
9181 | left = XFASTINT (w->left); | |
9182 | left *= CANON_X_UNIT (f); | |
9183 | left += FRAME_INTERNAL_BORDER_WIDTH (f); | |
9184 | ||
9185 | /* Compute the width of the scroll bar which might be less than | |
9186 | the width of the area reserved for the scroll bar. */ | |
9187 | if (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0) | |
9188 | sb_width = FRAME_SCROLL_BAR_PIXEL_WIDTH (f); | |
06a2c219 | 9189 | else |
3c6ede7b | 9190 | sb_width = width; |
12ba150f | 9191 | |
3c6ede7b GM |
9192 | /* Compute the left edge of the scroll bar. */ |
9193 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
9194 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
9195 | sb_left = left + width - sb_width - (width - sb_width) / 2; | |
9196 | else | |
9197 | sb_left = left + (width - sb_width) / 2; | |
9198 | #else | |
9199 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
9200 | sb_left = left + width - sb_width; | |
9201 | else | |
9202 | sb_left = left; | |
9203 | #endif | |
9204 | ||
ab648270 | 9205 | /* Does the scroll bar exist yet? */ |
06a2c219 | 9206 | if (NILP (w->vertical_scroll_bar)) |
3c6ede7b | 9207 | { |
7b49b9d2 | 9208 | if (width > 0 && height > 0) |
b547b6e8 GM |
9209 | { |
9210 | BLOCK_INPUT; | |
9211 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
9212 | left, top, width, height, False); | |
9213 | UNBLOCK_INPUT; | |
9214 | } | |
9215 | ||
3c6ede7b GM |
9216 | bar = x_scroll_bar_create (w, top, sb_left, sb_width, height); |
9217 | } | |
f451eb13 | 9218 | else |
12ba150f JB |
9219 | { |
9220 | /* It may just need to be moved and resized. */ | |
06a2c219 GM |
9221 | unsigned int mask = 0; |
9222 | ||
9223 | bar = XSCROLL_BAR (w->vertical_scroll_bar); | |
9224 | ||
9225 | BLOCK_INPUT; | |
9226 | ||
3c6ede7b | 9227 | if (sb_left != XINT (bar->left)) |
06a2c219 | 9228 | mask |= CWX; |
3c6ede7b | 9229 | if (top != XINT (bar->top)) |
06a2c219 | 9230 | mask |= CWY; |
3c6ede7b | 9231 | if (sb_width != XINT (bar->width)) |
06a2c219 | 9232 | mask |= CWWidth; |
3c6ede7b | 9233 | if (height != XINT (bar->height)) |
06a2c219 GM |
9234 | mask |= CWHeight; |
9235 | ||
9236 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
fe6f39d9 GM |
9237 | |
9238 | /* Since toolkit scroll bars are smaller than the space reserved | |
9239 | for them on the frame, we have to clear "under" them. */ | |
7b49b9d2 | 9240 | if (width > 0 && height > 0) |
f964b4d7 GM |
9241 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
9242 | left, top, width, height, False); | |
06a2c219 GM |
9243 | |
9244 | /* Move/size the scroll bar widget. */ | |
9245 | if (mask) | |
e83dc917 | 9246 | XtConfigureWidget (SCROLL_BAR_X_WIDGET (FRAME_X_DISPLAY (f), bar), |
3c6ede7b GM |
9247 | sb_left + VERTICAL_SCROLL_BAR_WIDTH_TRIM, |
9248 | top, | |
9249 | sb_width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, | |
f964b4d7 | 9250 | max (height, 1), 0); |
06a2c219 GM |
9251 | |
9252 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
9253 | ||
357e7376 GM |
9254 | /* Clear areas not covered by the scroll bar because of |
9255 | VERTICAL_SCROLL_BAR_WIDTH_TRIM. */ | |
e1f6572f RS |
9256 | if (VERTICAL_SCROLL_BAR_WIDTH_TRIM) |
9257 | { | |
c5e6e06b GM |
9258 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
9259 | left, top, VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
9260 | height, False); | |
9261 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
9262 | left + width - VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
9263 | top, VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
9264 | height, False); | |
e1f6572f | 9265 | } |
357e7376 GM |
9266 | |
9267 | /* Clear areas not covered by the scroll bar because it's not as | |
9268 | wide as the area reserved for it . This makes sure a | |
9269 | previous mode line display is cleared after C-x 2 C-x 1, for | |
9270 | example. */ | |
9271 | { | |
9272 | int area_width = FRAME_SCROLL_BAR_COLS (f) * CANON_X_UNIT (f); | |
9273 | int rest = area_width - sb_width; | |
38d2af0c GM |
9274 | if (rest > 0 && height > 0) |
9275 | { | |
9276 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f)) | |
9277 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
9278 | left + area_width - rest, top, | |
9279 | rest, height, False); | |
9280 | else | |
9281 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
9282 | left, top, rest, height, False); | |
9283 | } | |
357e7376 | 9284 | } |
06a2c219 GM |
9285 | |
9286 | /* Move/size the scroll bar window. */ | |
9287 | if (mask) | |
9288 | { | |
9289 | XWindowChanges wc; | |
9290 | ||
3c6ede7b GM |
9291 | wc.x = sb_left + VERTICAL_SCROLL_BAR_WIDTH_TRIM; |
9292 | wc.y = top; | |
9293 | wc.width = sb_width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2; | |
9294 | wc.height = height; | |
06a2c219 GM |
9295 | XConfigureWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar), |
9296 | mask, &wc); | |
9297 | } | |
9298 | ||
9299 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ | |
9300 | ||
9301 | /* Remember new settings. */ | |
3c6ede7b GM |
9302 | XSETINT (bar->left, sb_left); |
9303 | XSETINT (bar->top, top); | |
9304 | XSETINT (bar->width, sb_width); | |
9305 | XSETINT (bar->height, height); | |
06a2c219 GM |
9306 | |
9307 | UNBLOCK_INPUT; | |
12ba150f | 9308 | } |
f451eb13 | 9309 | |
eccc05db | 9310 | #ifdef USE_TOOLKIT_SCROLL_BARS |
06a2c219 GM |
9311 | x_set_toolkit_scroll_bar_thumb (bar, portion, position, whole); |
9312 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
ab648270 | 9313 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 9314 | dragged. */ |
12ba150f | 9315 | if (NILP (bar->dragging)) |
f451eb13 | 9316 | { |
92857db0 | 9317 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, height); |
f451eb13 | 9318 | |
12ba150f | 9319 | if (whole == 0) |
ab648270 | 9320 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
9321 | else |
9322 | { | |
43f868f5 JB |
9323 | int start = ((double) position * top_range) / whole; |
9324 | int end = ((double) (position + portion) * top_range) / whole; | |
ab648270 | 9325 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 9326 | } |
f451eb13 | 9327 | } |
06a2c219 | 9328 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 | 9329 | |
06a2c219 | 9330 | XSETVECTOR (w->vertical_scroll_bar, bar); |
f451eb13 JB |
9331 | } |
9332 | ||
12ba150f | 9333 | |
f451eb13 | 9334 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 9335 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 9336 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
9337 | away is a real pain - "Can you say set-window-configuration, boys |
9338 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 9339 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 9340 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 9341 | |
ab648270 JB |
9342 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
9343 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
06a2c219 GM |
9344 | `*redeem_scroll_bar_hook' is applied to its window before the judgment. */ |
9345 | ||
58769bee | 9346 | static void |
ab648270 | 9347 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
9348 | FRAME_PTR frame; |
9349 | { | |
f9e24cb9 RS |
9350 | /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */ |
9351 | while (! NILP (FRAME_SCROLL_BARS (frame))) | |
9352 | { | |
9353 | Lisp_Object bar; | |
9354 | bar = FRAME_SCROLL_BARS (frame); | |
9355 | FRAME_SCROLL_BARS (frame) = XSCROLL_BAR (bar)->next; | |
9356 | XSCROLL_BAR (bar)->next = FRAME_CONDEMNED_SCROLL_BARS (frame); | |
9357 | XSCROLL_BAR (bar)->prev = Qnil; | |
9358 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
9359 | XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame))->prev = bar; | |
9360 | FRAME_CONDEMNED_SCROLL_BARS (frame) = bar; | |
9361 | } | |
f451eb13 JB |
9362 | } |
9363 | ||
fa2dfc30 | 9364 | |
06a2c219 | 9365 | /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle. |
12ba150f | 9366 | Note that WINDOW isn't necessarily condemned at all. */ |
fa2dfc30 | 9367 | |
f451eb13 | 9368 | static void |
ab648270 | 9369 | XTredeem_scroll_bar (window) |
12ba150f | 9370 | struct window *window; |
f451eb13 | 9371 | { |
ab648270 | 9372 | struct scroll_bar *bar; |
fa2dfc30 | 9373 | struct frame *f; |
12ba150f | 9374 | |
ab648270 JB |
9375 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
9376 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
9377 | abort (); |
9378 | ||
ab648270 | 9379 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
9380 | |
9381 | /* Unlink it from the condemned list. */ | |
fa2dfc30 GM |
9382 | f = XFRAME (WINDOW_FRAME (window)); |
9383 | if (NILP (bar->prev)) | |
9384 | { | |
9385 | /* If the prev pointer is nil, it must be the first in one of | |
9386 | the lists. */ | |
9387 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) | |
9388 | /* It's not condemned. Everything's fine. */ | |
9389 | return; | |
9390 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), | |
9391 | window->vertical_scroll_bar)) | |
9392 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
9393 | else | |
9394 | /* If its prev pointer is nil, it must be at the front of | |
9395 | one or the other! */ | |
9396 | abort (); | |
9397 | } | |
9398 | else | |
9399 | XSCROLL_BAR (bar->prev)->next = bar->next; | |
12ba150f | 9400 | |
fa2dfc30 GM |
9401 | if (! NILP (bar->next)) |
9402 | XSCROLL_BAR (bar->next)->prev = bar->prev; | |
12ba150f | 9403 | |
fa2dfc30 GM |
9404 | bar->next = FRAME_SCROLL_BARS (f); |
9405 | bar->prev = Qnil; | |
9406 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
9407 | if (! NILP (bar->next)) | |
9408 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
f451eb13 JB |
9409 | } |
9410 | ||
ab648270 JB |
9411 | /* Remove all scroll bars on FRAME that haven't been saved since the |
9412 | last call to `*condemn_scroll_bars_hook'. */ | |
06a2c219 | 9413 | |
f451eb13 | 9414 | static void |
ab648270 | 9415 | XTjudge_scroll_bars (f) |
12ba150f | 9416 | FRAME_PTR f; |
f451eb13 | 9417 | { |
12ba150f | 9418 | Lisp_Object bar, next; |
f451eb13 | 9419 | |
ab648270 | 9420 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
9421 | |
9422 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
9423 | more events on the hapless scroll bars. */ |
9424 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
9425 | |
9426 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 9427 | { |
ab648270 | 9428 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 9429 | |
ab648270 | 9430 | x_scroll_bar_remove (b); |
12ba150f JB |
9431 | |
9432 | next = b->next; | |
9433 | b->next = b->prev = Qnil; | |
f451eb13 | 9434 | } |
12ba150f | 9435 | |
ab648270 | 9436 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 9437 | and they should get garbage-collected. */ |
f451eb13 JB |
9438 | } |
9439 | ||
9440 | ||
06a2c219 GM |
9441 | /* Handle an Expose or GraphicsExpose event on a scroll bar. This |
9442 | is a no-op when using toolkit scroll bars. | |
ab648270 JB |
9443 | |
9444 | This may be called from a signal handler, so we have to ignore GC | |
9445 | mark bits. */ | |
06a2c219 | 9446 | |
f451eb13 | 9447 | static void |
ab648270 JB |
9448 | x_scroll_bar_expose (bar, event) |
9449 | struct scroll_bar *bar; | |
f451eb13 JB |
9450 | XEvent *event; |
9451 | { | |
06a2c219 GM |
9452 | #ifndef USE_TOOLKIT_SCROLL_BARS |
9453 | ||
ab648270 | 9454 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 | 9455 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7556890b | 9456 | GC gc = f->output_data.x->normal_gc; |
3cbd2e0b | 9457 | int width_trim = VERTICAL_SCROLL_BAR_WIDTH_TRIM; |
12ba150f | 9458 | |
f451eb13 JB |
9459 | BLOCK_INPUT; |
9460 | ||
ab648270 | 9461 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 9462 | |
06a2c219 | 9463 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
334208b7 | 9464 | XDrawRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 JB |
9465 | |
9466 | /* x, y, width, height */ | |
d9cdbb3d | 9467 | 0, 0, |
3cbd2e0b | 9468 | XINT (bar->width) - 1 - width_trim - width_trim, |
d9cdbb3d RS |
9469 | XINT (bar->height) - 1); |
9470 | ||
f451eb13 | 9471 | UNBLOCK_INPUT; |
06a2c219 GM |
9472 | |
9473 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ | |
f451eb13 JB |
9474 | } |
9475 | ||
ab648270 JB |
9476 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
9477 | is set to something other than no_event, it is enqueued. | |
9478 | ||
9479 | This may be called from a signal handler, so we have to ignore GC | |
9480 | mark bits. */ | |
06a2c219 | 9481 | |
5c187dee GM |
9482 | #ifndef USE_TOOLKIT_SCROLL_BARS |
9483 | ||
f451eb13 | 9484 | static void |
ab648270 JB |
9485 | x_scroll_bar_handle_click (bar, event, emacs_event) |
9486 | struct scroll_bar *bar; | |
f451eb13 JB |
9487 | XEvent *event; |
9488 | struct input_event *emacs_event; | |
9489 | { | |
0299d313 | 9490 | if (! GC_WINDOWP (bar->window)) |
12ba150f JB |
9491 | abort (); |
9492 | ||
ab648270 | 9493 | emacs_event->kind = scroll_bar_click; |
69388238 | 9494 | emacs_event->code = event->xbutton.button - Button1; |
0299d313 RS |
9495 | emacs_event->modifiers |
9496 | = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO | |
9497 | (XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))), | |
9498 | event->xbutton.state) | |
9499 | | (event->type == ButtonRelease | |
9500 | ? up_modifier | |
9501 | : down_modifier)); | |
12ba150f | 9502 | emacs_event->frame_or_window = bar->window; |
0f8aabe9 | 9503 | emacs_event->arg = Qnil; |
f451eb13 | 9504 | emacs_event->timestamp = event->xbutton.time; |
12ba150f | 9505 | { |
06a2c219 | 9506 | #if 0 |
d9cdbb3d | 9507 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
0299d313 | 9508 | int internal_height |
d9cdbb3d | 9509 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, XINT (bar->height)); |
06a2c219 | 9510 | #endif |
0299d313 | 9511 | int top_range |
d9cdbb3d | 9512 | = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
ab648270 | 9513 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
9514 | |
9515 | if (y < 0) y = 0; | |
9516 | if (y > top_range) y = top_range; | |
9517 | ||
9518 | if (y < XINT (bar->start)) | |
ab648270 JB |
9519 | emacs_event->part = scroll_bar_above_handle; |
9520 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
9521 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 9522 | else |
ab648270 | 9523 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
9524 | |
9525 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
9526 | they want to drag it. Lisp code needs to be able to decide |
9527 | whether or not we're dragging. */ | |
929787e1 | 9528 | #if 0 |
12ba150f JB |
9529 | /* If the user has just clicked on the handle, record where they're |
9530 | holding it. */ | |
9531 | if (event->type == ButtonPress | |
ab648270 | 9532 | && emacs_event->part == scroll_bar_handle) |
e0c1aef2 | 9533 | XSETINT (bar->dragging, y - XINT (bar->start)); |
929787e1 | 9534 | #endif |
12ba150f JB |
9535 | |
9536 | /* If the user has released the handle, set it to its final position. */ | |
9537 | if (event->type == ButtonRelease | |
9538 | && ! NILP (bar->dragging)) | |
9539 | { | |
9540 | int new_start = y - XINT (bar->dragging); | |
9541 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 9542 | |
ab648270 | 9543 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
9544 | bar->dragging = Qnil; |
9545 | } | |
f451eb13 | 9546 | |
5116f055 JB |
9547 | /* Same deal here as the other #if 0. */ |
9548 | #if 0 | |
58769bee | 9549 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 9550 | the handle. */ |
ab648270 | 9551 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
9552 | emacs_event->x = bar->start; |
9553 | else | |
e0c1aef2 | 9554 | XSETINT (emacs_event->x, y); |
5116f055 | 9555 | #else |
e0c1aef2 | 9556 | XSETINT (emacs_event->x, y); |
5116f055 | 9557 | #endif |
f451eb13 | 9558 | |
e0c1aef2 | 9559 | XSETINT (emacs_event->y, top_range); |
12ba150f JB |
9560 | } |
9561 | } | |
f451eb13 | 9562 | |
ab648270 JB |
9563 | /* Handle some mouse motion while someone is dragging the scroll bar. |
9564 | ||
9565 | This may be called from a signal handler, so we have to ignore GC | |
9566 | mark bits. */ | |
06a2c219 | 9567 | |
f451eb13 | 9568 | static void |
ab648270 JB |
9569 | x_scroll_bar_note_movement (bar, event) |
9570 | struct scroll_bar *bar; | |
f451eb13 JB |
9571 | XEvent *event; |
9572 | { | |
39d8bb4d KH |
9573 | FRAME_PTR f = XFRAME (XWINDOW (bar->window)->frame); |
9574 | ||
f451eb13 JB |
9575 | last_mouse_movement_time = event->xmotion.time; |
9576 | ||
39d8bb4d | 9577 | f->mouse_moved = 1; |
e0c1aef2 | 9578 | XSETVECTOR (last_mouse_scroll_bar, bar); |
f451eb13 JB |
9579 | |
9580 | /* If we're dragging the bar, display it. */ | |
ab648270 | 9581 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
9582 | { |
9583 | /* Where should the handle be now? */ | |
12ba150f | 9584 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 9585 | |
12ba150f | 9586 | if (new_start != XINT (bar->start)) |
f451eb13 | 9587 | { |
12ba150f | 9588 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
58769bee | 9589 | |
ab648270 | 9590 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
9591 | } |
9592 | } | |
f451eb13 JB |
9593 | } |
9594 | ||
5c187dee GM |
9595 | #endif /* !USE_TOOLKIT_SCROLL_BARS */ |
9596 | ||
12ba150f | 9597 | /* Return information to the user about the current position of the mouse |
ab648270 | 9598 | on the scroll bar. */ |
06a2c219 | 9599 | |
12ba150f | 9600 | static void |
334208b7 RS |
9601 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
9602 | FRAME_PTR *fp; | |
12ba150f | 9603 | Lisp_Object *bar_window; |
ab648270 | 9604 | enum scroll_bar_part *part; |
12ba150f JB |
9605 | Lisp_Object *x, *y; |
9606 | unsigned long *time; | |
9607 | { | |
ab648270 | 9608 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
334208b7 RS |
9609 | Window w = SCROLL_BAR_X_WINDOW (bar); |
9610 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
12ba150f | 9611 | int win_x, win_y; |
559cb2fb JB |
9612 | Window dummy_window; |
9613 | int dummy_coord; | |
9614 | unsigned int dummy_mask; | |
12ba150f | 9615 | |
cf7cb199 JB |
9616 | BLOCK_INPUT; |
9617 | ||
ab648270 | 9618 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 9619 | report that. */ |
334208b7 | 9620 | if (! XQueryPointer (FRAME_X_DISPLAY (f), w, |
12ba150f | 9621 | |
559cb2fb JB |
9622 | /* Root, child, root x and root y. */ |
9623 | &dummy_window, &dummy_window, | |
9624 | &dummy_coord, &dummy_coord, | |
12ba150f | 9625 | |
559cb2fb JB |
9626 | /* Position relative to scroll bar. */ |
9627 | &win_x, &win_y, | |
12ba150f | 9628 | |
559cb2fb JB |
9629 | /* Mouse buttons and modifier keys. */ |
9630 | &dummy_mask)) | |
7a13e894 | 9631 | ; |
559cb2fb JB |
9632 | else |
9633 | { | |
06a2c219 | 9634 | #if 0 |
559cb2fb | 9635 | int inside_height |
d9cdbb3d | 9636 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, XINT (bar->height)); |
06a2c219 | 9637 | #endif |
559cb2fb | 9638 | int top_range |
d9cdbb3d | 9639 | = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
559cb2fb JB |
9640 | |
9641 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
9642 | ||
9643 | if (! NILP (bar->dragging)) | |
9644 | win_y -= XINT (bar->dragging); | |
9645 | ||
9646 | if (win_y < 0) | |
9647 | win_y = 0; | |
9648 | if (win_y > top_range) | |
9649 | win_y = top_range; | |
9650 | ||
334208b7 | 9651 | *fp = f; |
7a13e894 | 9652 | *bar_window = bar->window; |
559cb2fb JB |
9653 | |
9654 | if (! NILP (bar->dragging)) | |
9655 | *part = scroll_bar_handle; | |
9656 | else if (win_y < XINT (bar->start)) | |
9657 | *part = scroll_bar_above_handle; | |
9658 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
9659 | *part = scroll_bar_handle; | |
9660 | else | |
9661 | *part = scroll_bar_below_handle; | |
12ba150f | 9662 | |
e0c1aef2 KH |
9663 | XSETINT (*x, win_y); |
9664 | XSETINT (*y, top_range); | |
12ba150f | 9665 | |
39d8bb4d | 9666 | f->mouse_moved = 0; |
559cb2fb JB |
9667 | last_mouse_scroll_bar = Qnil; |
9668 | } | |
12ba150f | 9669 | |
559cb2fb | 9670 | *time = last_mouse_movement_time; |
cf7cb199 | 9671 | |
cf7cb199 | 9672 | UNBLOCK_INPUT; |
12ba150f JB |
9673 | } |
9674 | ||
f451eb13 | 9675 | |
dbc4e1c1 | 9676 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
9677 | background colors, and the scroll bars may need to be redrawn. |
9678 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
9679 | redraw them. */ |
9680 | ||
dfcf069d | 9681 | void |
ab648270 | 9682 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
9683 | FRAME_PTR f; |
9684 | { | |
06a2c219 | 9685 | #ifndef USE_TOOLKIT_SCROLL_BARS |
dbc4e1c1 JB |
9686 | Lisp_Object bar; |
9687 | ||
b80c363e RS |
9688 | /* We can have scroll bars even if this is 0, |
9689 | if we just turned off scroll bar mode. | |
9690 | But in that case we should not clear them. */ | |
9691 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
9692 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
9693 | bar = XSCROLL_BAR (bar)->next) | |
c5e6e06b GM |
9694 | XClearArea (FRAME_X_DISPLAY (f), |
9695 | SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
b80c363e | 9696 | 0, 0, 0, 0, True); |
06a2c219 | 9697 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
dbc4e1c1 JB |
9698 | } |
9699 | ||
06a2c219 | 9700 | /* This processes Expose events from the menu-bar specific X event |
19126e11 | 9701 | loop in xmenu.c. This allows to redisplay the frame if necessary |
06a2c219 | 9702 | when handling menu-bar or pop-up items. */ |
3afe33e7 | 9703 | |
06a2c219 | 9704 | int |
3afe33e7 RS |
9705 | process_expose_from_menu (event) |
9706 | XEvent event; | |
9707 | { | |
9708 | FRAME_PTR f; | |
19126e11 | 9709 | struct x_display_info *dpyinfo; |
06a2c219 | 9710 | int frame_exposed_p = 0; |
3afe33e7 | 9711 | |
f94397b5 KH |
9712 | BLOCK_INPUT; |
9713 | ||
19126e11 KH |
9714 | dpyinfo = x_display_info_for_display (event.xexpose.display); |
9715 | f = x_window_to_frame (dpyinfo, event.xexpose.window); | |
3afe33e7 RS |
9716 | if (f) |
9717 | { | |
9718 | if (f->async_visible == 0) | |
9719 | { | |
9720 | f->async_visible = 1; | |
9721 | f->async_iconified = 0; | |
06c488fd | 9722 | f->output_data.x->has_been_visible = 1; |
3afe33e7 RS |
9723 | SET_FRAME_GARBAGED (f); |
9724 | } | |
9725 | else | |
9726 | { | |
06a2c219 GM |
9727 | expose_frame (x_window_to_frame (dpyinfo, event.xexpose.window), |
9728 | event.xexpose.x, event.xexpose.y, | |
9729 | event.xexpose.width, event.xexpose.height); | |
9730 | frame_exposed_p = 1; | |
3afe33e7 RS |
9731 | } |
9732 | } | |
9733 | else | |
9734 | { | |
9735 | struct scroll_bar *bar | |
9736 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 9737 | |
3afe33e7 RS |
9738 | if (bar) |
9739 | x_scroll_bar_expose (bar, &event); | |
9740 | } | |
f94397b5 KH |
9741 | |
9742 | UNBLOCK_INPUT; | |
06a2c219 | 9743 | return frame_exposed_p; |
3afe33e7 | 9744 | } |
09756a85 RS |
9745 | \f |
9746 | /* Define a queue to save up SelectionRequest events for later handling. */ | |
9747 | ||
9748 | struct selection_event_queue | |
9749 | { | |
9750 | XEvent event; | |
9751 | struct selection_event_queue *next; | |
9752 | }; | |
9753 | ||
9754 | static struct selection_event_queue *queue; | |
9755 | ||
9756 | /* Nonzero means queue up certain events--don't process them yet. */ | |
06a2c219 | 9757 | |
09756a85 RS |
9758 | static int x_queue_selection_requests; |
9759 | ||
9760 | /* Queue up an X event *EVENT, to be processed later. */ | |
dbc4e1c1 | 9761 | |
09756a85 | 9762 | static void |
334208b7 RS |
9763 | x_queue_event (f, event) |
9764 | FRAME_PTR f; | |
09756a85 RS |
9765 | XEvent *event; |
9766 | { | |
9767 | struct selection_event_queue *queue_tmp | |
06a2c219 | 9768 | = (struct selection_event_queue *) xmalloc (sizeof (struct selection_event_queue)); |
09756a85 | 9769 | |
58769bee | 9770 | if (queue_tmp != NULL) |
09756a85 RS |
9771 | { |
9772 | queue_tmp->event = *event; | |
9773 | queue_tmp->next = queue; | |
9774 | queue = queue_tmp; | |
9775 | } | |
9776 | } | |
9777 | ||
9778 | /* Take all the queued events and put them back | |
9779 | so that they get processed afresh. */ | |
9780 | ||
9781 | static void | |
db3906fd RS |
9782 | x_unqueue_events (display) |
9783 | Display *display; | |
09756a85 | 9784 | { |
58769bee | 9785 | while (queue != NULL) |
09756a85 RS |
9786 | { |
9787 | struct selection_event_queue *queue_tmp = queue; | |
db3906fd | 9788 | XPutBackEvent (display, &queue_tmp->event); |
09756a85 | 9789 | queue = queue_tmp->next; |
06a2c219 | 9790 | xfree ((char *)queue_tmp); |
09756a85 RS |
9791 | } |
9792 | } | |
9793 | ||
9794 | /* Start queuing SelectionRequest events. */ | |
9795 | ||
9796 | void | |
db3906fd RS |
9797 | x_start_queuing_selection_requests (display) |
9798 | Display *display; | |
09756a85 RS |
9799 | { |
9800 | x_queue_selection_requests++; | |
9801 | } | |
9802 | ||
9803 | /* Stop queuing SelectionRequest events. */ | |
9804 | ||
9805 | void | |
db3906fd RS |
9806 | x_stop_queuing_selection_requests (display) |
9807 | Display *display; | |
09756a85 RS |
9808 | { |
9809 | x_queue_selection_requests--; | |
db3906fd | 9810 | x_unqueue_events (display); |
09756a85 | 9811 | } |
f451eb13 JB |
9812 | \f |
9813 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 9814 | |
06a2c219 | 9815 | /* Time stamp of enter window event. This is only used by XTread_socket, |
dc6f92b8 JB |
9816 | but we have to put it out here, since static variables within functions |
9817 | sometimes don't work. */ | |
06a2c219 | 9818 | |
dc6f92b8 JB |
9819 | static Time enter_timestamp; |
9820 | ||
11edeb03 | 9821 | /* This holds the state XLookupString needs to implement dead keys |
58769bee | 9822 | and other tricks known as "compose processing". _X Window System_ |
11edeb03 JB |
9823 | says that a portable program can't use this, but Stephen Gildea assures |
9824 | me that letting the compiler initialize it to zeros will work okay. | |
9825 | ||
9826 | This must be defined outside of XTread_socket, for the same reasons | |
f7d40b3b | 9827 | given for enter_timestamp, above. */ |
06a2c219 | 9828 | |
11edeb03 JB |
9829 | static XComposeStatus compose_status; |
9830 | ||
10e6549c RS |
9831 | /* Record the last 100 characters stored |
9832 | to help debug the loss-of-chars-during-GC problem. */ | |
06a2c219 | 9833 | |
2224b905 RS |
9834 | static int temp_index; |
9835 | static short temp_buffer[100]; | |
10e6549c | 9836 | |
7a13e894 RS |
9837 | /* Set this to nonzero to fake an "X I/O error" |
9838 | on a particular display. */ | |
06a2c219 | 9839 | |
7a13e894 RS |
9840 | struct x_display_info *XTread_socket_fake_io_error; |
9841 | ||
2224b905 RS |
9842 | /* When we find no input here, we occasionally do a no-op command |
9843 | to verify that the X server is still running and we can still talk with it. | |
9844 | We try all the open displays, one by one. | |
9845 | This variable is used for cycling thru the displays. */ | |
06a2c219 | 9846 | |
2224b905 RS |
9847 | static struct x_display_info *next_noop_dpyinfo; |
9848 | ||
06a2c219 GM |
9849 | #define SET_SAVED_MENU_EVENT(size) \ |
9850 | do \ | |
9851 | { \ | |
9852 | if (f->output_data.x->saved_menu_event == 0) \ | |
9853 | f->output_data.x->saved_menu_event \ | |
9854 | = (XEvent *) xmalloc (sizeof (XEvent)); \ | |
9855 | bcopy (&event, f->output_data.x->saved_menu_event, size); \ | |
9856 | if (numchars >= 1) \ | |
9857 | { \ | |
9858 | bufp->kind = menu_bar_activate_event; \ | |
9859 | XSETFRAME (bufp->frame_or_window, f); \ | |
0f8aabe9 | 9860 | bufp->arg = Qnil; \ |
06a2c219 GM |
9861 | bufp++; \ |
9862 | count++; \ | |
9863 | numchars--; \ | |
9864 | } \ | |
9865 | } \ | |
9866 | while (0) | |
9867 | ||
8805890a | 9868 | #define SET_SAVED_BUTTON_EVENT SET_SAVED_MENU_EVENT (sizeof (XButtonEvent)) |
06a2c219 | 9869 | #define SET_SAVED_KEY_EVENT SET_SAVED_MENU_EVENT (sizeof (XKeyEvent)) |
8805890a | 9870 | |
dc6f92b8 JB |
9871 | /* Read events coming from the X server. |
9872 | This routine is called by the SIGIO handler. | |
9873 | We return as soon as there are no more events to be read. | |
9874 | ||
9875 | Events representing keys are stored in buffer BUFP, | |
9876 | which can hold up to NUMCHARS characters. | |
9877 | We return the number of characters stored into the buffer, | |
9878 | thus pretending to be `read'. | |
9879 | ||
dc6f92b8 JB |
9880 | EXPECTED is nonzero if the caller knows input is available. */ |
9881 | ||
7c5283e4 | 9882 | int |
f66868ba | 9883 | XTread_socket (sd, bufp, numchars, expected) |
dc6f92b8 | 9884 | register int sd; |
8805890a KH |
9885 | /* register */ struct input_event *bufp; |
9886 | /* register */ int numchars; | |
dc6f92b8 JB |
9887 | int expected; |
9888 | { | |
9889 | int count = 0; | |
9890 | int nbytes = 0; | |
dc6f92b8 | 9891 | XEvent event; |
f676886a | 9892 | struct frame *f; |
66f55a9d | 9893 | int event_found = 0; |
334208b7 | 9894 | struct x_display_info *dpyinfo; |
379b5ac0 | 9895 | struct coding_system coding; |
dc6f92b8 | 9896 | |
9ac0d9e0 | 9897 | if (interrupt_input_blocked) |
dc6f92b8 | 9898 | { |
9ac0d9e0 | 9899 | interrupt_input_pending = 1; |
dc6f92b8 JB |
9900 | return -1; |
9901 | } | |
9902 | ||
9ac0d9e0 | 9903 | interrupt_input_pending = 0; |
dc6f92b8 | 9904 | BLOCK_INPUT; |
c0a04927 RS |
9905 | |
9906 | /* So people can tell when we have read the available input. */ | |
9907 | input_signal_count++; | |
9908 | ||
dc6f92b8 | 9909 | if (numchars <= 0) |
06a2c219 | 9910 | abort (); /* Don't think this happens. */ |
dc6f92b8 | 9911 | |
bde5503b GM |
9912 | ++handling_signal; |
9913 | ||
379b5ac0 KH |
9914 | /* The input should be decoded if it is from XIM. Currently the |
9915 | locale of XIM is the same as that of the system. So, we can use | |
9916 | Vlocale_coding_system which is initialized properly at Emacs | |
9917 | startup time. */ | |
9918 | setup_coding_system (Vlocale_coding_system, &coding); | |
9919 | coding.src_multibyte = 0; | |
9920 | coding.dst_multibyte = 1; | |
9921 | /* The input is converted to events, thus we can't handle | |
9922 | composition. Anyway, there's no XIM that gives us composition | |
9923 | information. */ | |
9924 | coding.composing = COMPOSITION_DISABLED; | |
9925 | ||
7a13e894 RS |
9926 | /* Find the display we are supposed to read input for. |
9927 | It's the one communicating on descriptor SD. */ | |
9928 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
9929 | { | |
9930 | #if 0 /* This ought to be unnecessary; let's verify it. */ | |
dc6f92b8 | 9931 | #ifdef FIOSNBIO |
7a13e894 RS |
9932 | /* If available, Xlib uses FIOSNBIO to make the socket |
9933 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
e6cbea31 | 9934 | FIOSNBIO is ignored, and instead of signaling EWOULDBLOCK, |
06a2c219 | 9935 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ |
7a13e894 | 9936 | fcntl (dpyinfo->connection, F_SETFL, 0); |
c118dd06 | 9937 | #endif /* ! defined (FIOSNBIO) */ |
7a13e894 | 9938 | #endif |
dc6f92b8 | 9939 | |
7a13e894 RS |
9940 | #if 0 /* This code can't be made to work, with multiple displays, |
9941 | and appears not to be used on any system any more. | |
9942 | Also keyboard.c doesn't turn O_NDELAY on and off | |
9943 | for X connections. */ | |
dc6f92b8 JB |
9944 | #ifndef SIGIO |
9945 | #ifndef HAVE_SELECT | |
7a13e894 RS |
9946 | if (! (fcntl (dpyinfo->connection, F_GETFL, 0) & O_NDELAY)) |
9947 | { | |
9948 | extern int read_alarm_should_throw; | |
9949 | read_alarm_should_throw = 1; | |
9950 | XPeekEvent (dpyinfo->display, &event); | |
9951 | read_alarm_should_throw = 0; | |
9952 | } | |
c118dd06 JB |
9953 | #endif /* HAVE_SELECT */ |
9954 | #endif /* SIGIO */ | |
7a13e894 | 9955 | #endif |
dc6f92b8 | 9956 | |
7a13e894 RS |
9957 | /* For debugging, this gives a way to fake an I/O error. */ |
9958 | if (dpyinfo == XTread_socket_fake_io_error) | |
9959 | { | |
9960 | XTread_socket_fake_io_error = 0; | |
9961 | x_io_error_quitter (dpyinfo->display); | |
9962 | } | |
dc6f92b8 | 9963 | |
06a2c219 | 9964 | while (XPending (dpyinfo->display)) |
dc6f92b8 | 9965 | { |
7a13e894 | 9966 | XNextEvent (dpyinfo->display, &event); |
06a2c219 | 9967 | |
531483fb | 9968 | #ifdef HAVE_X_I18N |
d1bc4182 | 9969 | { |
f2be1146 GM |
9970 | /* Filter events for the current X input method. |
9971 | XFilterEvent returns non-zero if the input method has | |
9972 | consumed the event. We pass the frame's X window to | |
9973 | XFilterEvent because that's the one for which the IC | |
9974 | was created. */ | |
f5d11644 GM |
9975 | struct frame *f1 = x_any_window_to_frame (dpyinfo, |
9976 | event.xclient.window); | |
9977 | if (XFilterEvent (&event, f1 ? FRAME_X_WINDOW (f1) : None)) | |
d1bc4182 RS |
9978 | break; |
9979 | } | |
0cd6403b | 9980 | #endif |
7a13e894 RS |
9981 | event_found = 1; |
9982 | ||
9983 | switch (event.type) | |
9984 | { | |
9985 | case ClientMessage: | |
c047688c | 9986 | { |
7a13e894 RS |
9987 | if (event.xclient.message_type |
9988 | == dpyinfo->Xatom_wm_protocols | |
9989 | && event.xclient.format == 32) | |
c047688c | 9990 | { |
7a13e894 RS |
9991 | if (event.xclient.data.l[0] |
9992 | == dpyinfo->Xatom_wm_take_focus) | |
c047688c | 9993 | { |
8c1a6a84 RS |
9994 | /* Use x_any_window_to_frame because this |
9995 | could be the shell widget window | |
9996 | if the frame has no title bar. */ | |
9997 | f = x_any_window_to_frame (dpyinfo, event.xclient.window); | |
6c183ba5 RS |
9998 | #ifdef HAVE_X_I18N |
9999 | /* Not quite sure this is needed -pd */ | |
8c1a6a84 | 10000 | if (f && FRAME_XIC (f)) |
6c183ba5 RS |
10001 | XSetICFocus (FRAME_XIC (f)); |
10002 | #endif | |
f1da8f06 GM |
10003 | #if 0 /* Emacs sets WM hints whose `input' field is `true'. This |
10004 | instructs the WM to set the input focus automatically for | |
10005 | Emacs with a call to XSetInputFocus. Setting WM_TAKE_FOCUS | |
10006 | tells the WM to send us a ClientMessage WM_TAKE_FOCUS after | |
10007 | it has set the focus. So, XSetInputFocus below is not | |
10008 | needed. | |
10009 | ||
10010 | The call to XSetInputFocus below has also caused trouble. In | |
10011 | cases where the XSetInputFocus done by the WM and the one | |
10012 | below are temporally close (on a fast machine), the call | |
10013 | below can generate additional FocusIn events which confuse | |
10014 | Emacs. */ | |
10015 | ||
bf7253f4 RS |
10016 | /* Since we set WM_TAKE_FOCUS, we must call |
10017 | XSetInputFocus explicitly. But not if f is null, | |
10018 | since that might be an event for a deleted frame. */ | |
7a13e894 | 10019 | if (f) |
bf7253f4 RS |
10020 | { |
10021 | Display *d = event.xclient.display; | |
10022 | /* Catch and ignore errors, in case window has been | |
10023 | iconified by a window manager such as GWM. */ | |
10024 | int count = x_catch_errors (d); | |
10025 | XSetInputFocus (d, event.xclient.window, | |
e1f6572f RS |
10026 | /* The ICCCM says this is |
10027 | the only valid choice. */ | |
10028 | RevertToParent, | |
bf7253f4 RS |
10029 | event.xclient.data.l[1]); |
10030 | /* This is needed to detect the error | |
10031 | if there is an error. */ | |
10032 | XSync (d, False); | |
10033 | x_uncatch_errors (d, count); | |
10034 | } | |
7a13e894 | 10035 | /* Not certain about handling scroll bars here */ |
f1da8f06 | 10036 | #endif /* 0 */ |
c047688c | 10037 | } |
7a13e894 RS |
10038 | else if (event.xclient.data.l[0] |
10039 | == dpyinfo->Xatom_wm_save_yourself) | |
10040 | { | |
10041 | /* Save state modify the WM_COMMAND property to | |
06a2c219 | 10042 | something which can reinstate us. This notifies |
7a13e894 RS |
10043 | the session manager, who's looking for such a |
10044 | PropertyNotify. Can restart processing when | |
06a2c219 | 10045 | a keyboard or mouse event arrives. */ |
7a13e894 RS |
10046 | if (numchars > 0) |
10047 | { | |
19126e11 KH |
10048 | f = x_top_window_to_frame (dpyinfo, |
10049 | event.xclient.window); | |
7a13e894 RS |
10050 | |
10051 | /* This is just so we only give real data once | |
10052 | for a single Emacs process. */ | |
b86bd3dd | 10053 | if (f == SELECTED_FRAME ()) |
7a13e894 RS |
10054 | XSetCommand (FRAME_X_DISPLAY (f), |
10055 | event.xclient.window, | |
10056 | initial_argv, initial_argc); | |
f000f5c5 | 10057 | else if (f) |
7a13e894 RS |
10058 | XSetCommand (FRAME_X_DISPLAY (f), |
10059 | event.xclient.window, | |
10060 | 0, 0); | |
10061 | } | |
10062 | } | |
10063 | else if (event.xclient.data.l[0] | |
10064 | == dpyinfo->Xatom_wm_delete_window) | |
1fb20991 | 10065 | { |
19126e11 KH |
10066 | struct frame *f |
10067 | = x_any_window_to_frame (dpyinfo, | |
10068 | event.xclient.window); | |
1fb20991 | 10069 | |
7a13e894 RS |
10070 | if (f) |
10071 | { | |
10072 | if (numchars == 0) | |
10073 | abort (); | |
1fb20991 | 10074 | |
7a13e894 RS |
10075 | bufp->kind = delete_window_event; |
10076 | XSETFRAME (bufp->frame_or_window, f); | |
0f8aabe9 | 10077 | bufp->arg = Qnil; |
7a13e894 RS |
10078 | bufp++; |
10079 | ||
10080 | count += 1; | |
10081 | numchars -= 1; | |
10082 | } | |
1fb20991 | 10083 | } |
c047688c | 10084 | } |
7a13e894 RS |
10085 | else if (event.xclient.message_type |
10086 | == dpyinfo->Xatom_wm_configure_denied) | |
10087 | { | |
10088 | } | |
10089 | else if (event.xclient.message_type | |
10090 | == dpyinfo->Xatom_wm_window_moved) | |
10091 | { | |
10092 | int new_x, new_y; | |
19126e11 KH |
10093 | struct frame *f |
10094 | = x_window_to_frame (dpyinfo, event.xclient.window); | |
58769bee | 10095 | |
7a13e894 RS |
10096 | new_x = event.xclient.data.s[0]; |
10097 | new_y = event.xclient.data.s[1]; | |
1fb20991 | 10098 | |
7a13e894 RS |
10099 | if (f) |
10100 | { | |
7556890b RS |
10101 | f->output_data.x->left_pos = new_x; |
10102 | f->output_data.x->top_pos = new_y; | |
7a13e894 | 10103 | } |
1fb20991 | 10104 | } |
0fdff6bb | 10105 | #ifdef HACK_EDITRES |
7a13e894 RS |
10106 | else if (event.xclient.message_type |
10107 | == dpyinfo->Xatom_editres) | |
10108 | { | |
19126e11 KH |
10109 | struct frame *f |
10110 | = x_any_window_to_frame (dpyinfo, event.xclient.window); | |
7556890b | 10111 | _XEditResCheckMessages (f->output_data.x->widget, NULL, |
19126e11 | 10112 | &event, NULL); |
7a13e894 | 10113 | } |
0fdff6bb | 10114 | #endif /* HACK_EDITRES */ |
06a2c219 GM |
10115 | else if ((event.xclient.message_type |
10116 | == dpyinfo->Xatom_DONE) | |
10117 | || (event.xclient.message_type | |
10118 | == dpyinfo->Xatom_PAGE)) | |
10119 | { | |
10120 | /* Ghostview job completed. Kill it. We could | |
10121 | reply with "Next" if we received "Page", but we | |
10122 | currently never do because we are interested in | |
10123 | images, only, which should have 1 page. */ | |
06a2c219 GM |
10124 | Pixmap pixmap = (Pixmap) event.xclient.data.l[1]; |
10125 | struct frame *f | |
10126 | = x_window_to_frame (dpyinfo, event.xclient.window); | |
10127 | x_kill_gs_process (pixmap, f); | |
10128 | expose_frame (f, 0, 0, 0, 0); | |
10129 | } | |
10130 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
10131 | /* Scroll bar callbacks send a ClientMessage from which | |
10132 | we construct an input_event. */ | |
10133 | else if (event.xclient.message_type | |
10134 | == dpyinfo->Xatom_Scrollbar) | |
10135 | { | |
10136 | x_scroll_bar_to_input_event (&event, bufp); | |
10137 | ++bufp, ++count, --numchars; | |
10138 | goto out; | |
10139 | } | |
10140 | #endif /* USE_TOOLKIT_SCROLL_BARS */ | |
10141 | else | |
10142 | goto OTHER; | |
7a13e894 RS |
10143 | } |
10144 | break; | |
dc6f92b8 | 10145 | |
7a13e894 | 10146 | case SelectionNotify: |
3afe33e7 | 10147 | #ifdef USE_X_TOOLKIT |
19126e11 | 10148 | if (! x_window_to_frame (dpyinfo, event.xselection.requestor)) |
7a13e894 | 10149 | goto OTHER; |
3afe33e7 | 10150 | #endif /* not USE_X_TOOLKIT */ |
dfcf069d | 10151 | x_handle_selection_notify (&event.xselection); |
7a13e894 | 10152 | break; |
d56a553a | 10153 | |
06a2c219 | 10154 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 10155 | #ifdef USE_X_TOOLKIT |
19126e11 | 10156 | if (! x_window_to_frame (dpyinfo, event.xselectionclear.window)) |
7a13e894 | 10157 | goto OTHER; |
3afe33e7 | 10158 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
10159 | { |
10160 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
d56a553a | 10161 | |
7a13e894 RS |
10162 | if (numchars == 0) |
10163 | abort (); | |
d56a553a | 10164 | |
7a13e894 RS |
10165 | bufp->kind = selection_clear_event; |
10166 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
10167 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
10168 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
e6cbea31 | 10169 | bufp->frame_or_window = Qnil; |
0f8aabe9 | 10170 | bufp->arg = Qnil; |
7a13e894 | 10171 | bufp++; |
d56a553a | 10172 | |
7a13e894 RS |
10173 | count += 1; |
10174 | numchars -= 1; | |
10175 | } | |
10176 | break; | |
dc6f92b8 | 10177 | |
06a2c219 | 10178 | case SelectionRequest: /* Someone wants our selection. */ |
3afe33e7 | 10179 | #ifdef USE_X_TOOLKIT |
19126e11 | 10180 | if (!x_window_to_frame (dpyinfo, event.xselectionrequest.owner)) |
7a13e894 | 10181 | goto OTHER; |
3afe33e7 | 10182 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 10183 | if (x_queue_selection_requests) |
19126e11 | 10184 | x_queue_event (x_window_to_frame (dpyinfo, event.xselectionrequest.owner), |
7a13e894 RS |
10185 | &event); |
10186 | else | |
10187 | { | |
1d2b2268 GM |
10188 | XSelectionRequestEvent *eventp |
10189 | = (XSelectionRequestEvent *) &event; | |
dc6f92b8 | 10190 | |
7a13e894 RS |
10191 | if (numchars == 0) |
10192 | abort (); | |
10193 | ||
10194 | bufp->kind = selection_request_event; | |
10195 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
10196 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
10197 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
10198 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
10199 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
10200 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
e6cbea31 | 10201 | bufp->frame_or_window = Qnil; |
0f8aabe9 | 10202 | bufp->arg = Qnil; |
7a13e894 RS |
10203 | bufp++; |
10204 | ||
10205 | count += 1; | |
10206 | numchars -= 1; | |
10207 | } | |
10208 | break; | |
10209 | ||
10210 | case PropertyNotify: | |
1d2b2268 GM |
10211 | #if 0 /* This is plain wrong. In the case that we are waiting for a |
10212 | PropertyNotify used as an ACK in incremental selection | |
10213 | transfer, the property will be on the receiver's window. */ | |
10214 | #if defined USE_X_TOOLKIT | |
19126e11 | 10215 | if (!x_any_window_to_frame (dpyinfo, event.xproperty.window)) |
7a13e894 | 10216 | goto OTHER; |
1d2b2268 GM |
10217 | #endif |
10218 | #endif | |
dfcf069d | 10219 | x_handle_property_notify (&event.xproperty); |
1d2b2268 | 10220 | goto OTHER; |
dc6f92b8 | 10221 | |
7a13e894 | 10222 | case ReparentNotify: |
19126e11 | 10223 | f = x_top_window_to_frame (dpyinfo, event.xreparent.window); |
7a13e894 RS |
10224 | if (f) |
10225 | { | |
10226 | int x, y; | |
7556890b | 10227 | f->output_data.x->parent_desc = event.xreparent.parent; |
7a13e894 | 10228 | x_real_positions (f, &x, &y); |
7556890b RS |
10229 | f->output_data.x->left_pos = x; |
10230 | f->output_data.x->top_pos = y; | |
7a13e894 RS |
10231 | } |
10232 | break; | |
3bd330d4 | 10233 | |
7a13e894 | 10234 | case Expose: |
19126e11 | 10235 | f = x_window_to_frame (dpyinfo, event.xexpose.window); |
7a13e894 | 10236 | if (f) |
dc6f92b8 | 10237 | { |
7a13e894 RS |
10238 | if (f->async_visible == 0) |
10239 | { | |
10240 | f->async_visible = 1; | |
10241 | f->async_iconified = 0; | |
06c488fd | 10242 | f->output_data.x->has_been_visible = 1; |
7a13e894 RS |
10243 | SET_FRAME_GARBAGED (f); |
10244 | } | |
10245 | else | |
06a2c219 GM |
10246 | expose_frame (x_window_to_frame (dpyinfo, |
10247 | event.xexpose.window), | |
10248 | event.xexpose.x, event.xexpose.y, | |
10249 | event.xexpose.width, event.xexpose.height); | |
dc6f92b8 JB |
10250 | } |
10251 | else | |
7a13e894 | 10252 | { |
12949a7f EZ |
10253 | #ifndef USE_TOOLKIT_SCROLL_BARS |
10254 | struct scroll_bar *bar; | |
10255 | #endif | |
01f67d2c | 10256 | #if defined USE_LUCID |
c95fc5f1 GM |
10257 | /* Submenus of the Lucid menu bar aren't widgets |
10258 | themselves, so there's no way to dispatch events | |
10259 | to them. Recognize this case separately. */ | |
10260 | { | |
10261 | Widget widget | |
10262 | = x_window_to_menu_bar (event.xexpose.window); | |
10263 | if (widget) | |
10264 | xlwmenu_redisplay (widget); | |
10265 | } | |
01f67d2c PJ |
10266 | #endif /* USE_LUCID */ |
10267 | ||
06a2c219 GM |
10268 | #ifdef USE_TOOLKIT_SCROLL_BARS |
10269 | /* Dispatch event to the widget. */ | |
10270 | goto OTHER; | |
10271 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
12949a7f | 10272 | bar = x_window_to_scroll_bar (event.xexpose.window); |
58769bee | 10273 | |
7a13e894 RS |
10274 | if (bar) |
10275 | x_scroll_bar_expose (bar, &event); | |
3afe33e7 | 10276 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
10277 | else |
10278 | goto OTHER; | |
3afe33e7 | 10279 | #endif /* USE_X_TOOLKIT */ |
06a2c219 | 10280 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
7a13e894 RS |
10281 | } |
10282 | break; | |
dc6f92b8 | 10283 | |
7a13e894 | 10284 | case GraphicsExpose: /* This occurs when an XCopyArea's |
d624284c PJ |
10285 | source area was obscured or not |
10286 | available. */ | |
19126e11 | 10287 | f = x_window_to_frame (dpyinfo, event.xgraphicsexpose.drawable); |
7a13e894 RS |
10288 | if (f) |
10289 | { | |
06a2c219 GM |
10290 | expose_frame (f, |
10291 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
10292 | event.xgraphicsexpose.width, | |
10293 | event.xgraphicsexpose.height); | |
7a13e894 | 10294 | } |
3afe33e7 | 10295 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
10296 | else |
10297 | goto OTHER; | |
3afe33e7 | 10298 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 10299 | break; |
dc6f92b8 | 10300 | |
7a13e894 | 10301 | case NoExpose: /* This occurs when an XCopyArea's |
06a2c219 | 10302 | source area was completely |
d624284c | 10303 | available. */ |
7a13e894 | 10304 | break; |
dc6f92b8 | 10305 | |
7a13e894 | 10306 | case UnmapNotify: |
06a2c219 GM |
10307 | /* Redo the mouse-highlight after the tooltip has gone. */ |
10308 | if (event.xmap.window == tip_window) | |
10309 | { | |
10310 | tip_window = 0; | |
10311 | redo_mouse_highlight (); | |
10312 | } | |
10313 | ||
91ea2a7a | 10314 | f = x_top_window_to_frame (dpyinfo, event.xunmap.window); |
7a13e894 | 10315 | if (f) /* F may no longer exist if |
d624284c | 10316 | the frame was deleted. */ |
7a13e894 RS |
10317 | { |
10318 | /* While a frame is unmapped, display generation is | |
10319 | disabled; you don't want to spend time updating a | |
10320 | display that won't ever be seen. */ | |
10321 | f->async_visible = 0; | |
10322 | /* We can't distinguish, from the event, whether the window | |
10323 | has become iconified or invisible. So assume, if it | |
10324 | was previously visible, than now it is iconified. | |
1aa6072f RS |
10325 | But x_make_frame_invisible clears both |
10326 | the visible flag and the iconified flag; | |
10327 | and that way, we know the window is not iconified now. */ | |
7a13e894 | 10328 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
1aa6072f RS |
10329 | { |
10330 | f->async_iconified = 1; | |
bddd097c | 10331 | |
1aa6072f RS |
10332 | bufp->kind = iconify_event; |
10333 | XSETFRAME (bufp->frame_or_window, f); | |
0f8aabe9 | 10334 | bufp->arg = Qnil; |
1aa6072f RS |
10335 | bufp++; |
10336 | count++; | |
10337 | numchars--; | |
10338 | } | |
7a13e894 | 10339 | } |
7a13e894 | 10340 | goto OTHER; |
dc6f92b8 | 10341 | |
7a13e894 | 10342 | case MapNotify: |
06a2c219 GM |
10343 | if (event.xmap.window == tip_window) |
10344 | /* The tooltip has been drawn already. Avoid | |
10345 | the SET_FRAME_GARBAGED below. */ | |
10346 | goto OTHER; | |
10347 | ||
10348 | /* We use x_top_window_to_frame because map events can | |
10349 | come for sub-windows and they don't mean that the | |
10350 | frame is visible. */ | |
19126e11 | 10351 | f = x_top_window_to_frame (dpyinfo, event.xmap.window); |
7a13e894 RS |
10352 | if (f) |
10353 | { | |
10354 | f->async_visible = 1; | |
10355 | f->async_iconified = 0; | |
06c488fd | 10356 | f->output_data.x->has_been_visible = 1; |
dc6f92b8 | 10357 | |
7a13e894 RS |
10358 | /* wait_reading_process_input will notice this and update |
10359 | the frame's display structures. */ | |
10360 | SET_FRAME_GARBAGED (f); | |
bddd097c | 10361 | |
d806e720 RS |
10362 | if (f->iconified) |
10363 | { | |
10364 | bufp->kind = deiconify_event; | |
10365 | XSETFRAME (bufp->frame_or_window, f); | |
0f8aabe9 | 10366 | bufp->arg = Qnil; |
d806e720 RS |
10367 | bufp++; |
10368 | count++; | |
10369 | numchars--; | |
10370 | } | |
e73ec6fa | 10371 | else if (! NILP (Vframe_list) |
8e713be6 | 10372 | && ! NILP (XCDR (Vframe_list))) |
78aa2ba5 KH |
10373 | /* Force a redisplay sooner or later |
10374 | to update the frame titles | |
10375 | in case this is the second frame. */ | |
10376 | record_asynch_buffer_change (); | |
7a13e894 | 10377 | } |
7a13e894 | 10378 | goto OTHER; |
dc6f92b8 | 10379 | |
7a13e894 | 10380 | case KeyPress: |
19126e11 | 10381 | f = x_any_window_to_frame (dpyinfo, event.xkey.window); |
f451eb13 | 10382 | |
eccc05db | 10383 | #if defined USE_MOTIF && defined USE_TOOLKIT_SCROLL_BARS |
06a2c219 GM |
10384 | if (f == 0) |
10385 | { | |
2564ea1b GM |
10386 | /* Scroll bars consume key events, but we want |
10387 | the keys to go to the scroll bar's frame. */ | |
06a2c219 GM |
10388 | Widget widget = XtWindowToWidget (dpyinfo->display, |
10389 | event.xkey.window); | |
10390 | if (widget && XmIsScrollBar (widget)) | |
10391 | { | |
10392 | widget = XtParent (widget); | |
10393 | f = x_any_window_to_frame (dpyinfo, XtWindow (widget)); | |
10394 | } | |
10395 | } | |
eccc05db | 10396 | #endif /* USE_MOTIF and USE_TOOLKIT_SCROLL_BARS */ |
06a2c219 | 10397 | |
7a13e894 RS |
10398 | if (f != 0) |
10399 | { | |
10400 | KeySym keysym, orig_keysym; | |
379b5ac0 KH |
10401 | /* al%imercury@uunet.uu.net says that making this 81 |
10402 | instead of 80 fixed a bug whereby meta chars made | |
10403 | his Emacs hang. | |
10404 | ||
10405 | It seems that some version of XmbLookupString has | |
10406 | a bug of not returning XBufferOverflow in | |
10407 | status_return even if the input is too long to | |
10408 | fit in 81 bytes. So, we must prepare sufficient | |
10409 | bytes for copy_buffer. 513 bytes (256 chars for | |
10410 | two-byte character set) seems to be a faily good | |
10411 | approximation. -- 2000.8.10 handa@etl.go.jp */ | |
10412 | unsigned char copy_buffer[513]; | |
10413 | unsigned char *copy_bufptr = copy_buffer; | |
10414 | int copy_bufsiz = sizeof (copy_buffer); | |
7a13e894 | 10415 | int modifiers; |
64bb1782 | 10416 | |
7a13e894 RS |
10417 | event.xkey.state |
10418 | |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f), | |
10419 | extra_keyboard_modifiers); | |
10420 | modifiers = event.xkey.state; | |
3a2712f9 | 10421 | |
7a13e894 | 10422 | /* This will have to go some day... */ |
752a043f | 10423 | |
7a13e894 RS |
10424 | /* make_lispy_event turns chars into control chars. |
10425 | Don't do it here because XLookupString is too eager. */ | |
10426 | event.xkey.state &= ~ControlMask; | |
5d46f928 RS |
10427 | event.xkey.state &= ~(dpyinfo->meta_mod_mask |
10428 | | dpyinfo->super_mod_mask | |
10429 | | dpyinfo->hyper_mod_mask | |
10430 | | dpyinfo->alt_mod_mask); | |
10431 | ||
1cf4a0d1 RS |
10432 | /* In case Meta is ComposeCharacter, |
10433 | clear its status. According to Markus Ehrnsperger | |
10434 | Markus.Ehrnsperger@lehrstuhl-bross.physik.uni-muenchen.de | |
10435 | this enables ComposeCharacter to work whether or | |
10436 | not it is combined with Meta. */ | |
10437 | if (modifiers & dpyinfo->meta_mod_mask) | |
10438 | bzero (&compose_status, sizeof (compose_status)); | |
10439 | ||
6c183ba5 RS |
10440 | #ifdef HAVE_X_I18N |
10441 | if (FRAME_XIC (f)) | |
10442 | { | |
f5d11644 GM |
10443 | Status status_return; |
10444 | ||
6c183ba5 | 10445 | nbytes = XmbLookupString (FRAME_XIC (f), |
f5d11644 GM |
10446 | &event.xkey, copy_bufptr, |
10447 | copy_bufsiz, &keysym, | |
6c183ba5 | 10448 | &status_return); |
f5d11644 GM |
10449 | if (status_return == XBufferOverflow) |
10450 | { | |
10451 | copy_bufsiz = nbytes + 1; | |
10452 | copy_bufptr = (char *) alloca (copy_bufsiz); | |
10453 | nbytes = XmbLookupString (FRAME_XIC (f), | |
10454 | &event.xkey, copy_bufptr, | |
10455 | copy_bufsiz, &keysym, | |
10456 | &status_return); | |
10457 | } | |
10458 | ||
1decb680 PE |
10459 | if (status_return == XLookupNone) |
10460 | break; | |
10461 | else if (status_return == XLookupChars) | |
fdd9d55e GM |
10462 | { |
10463 | keysym = NoSymbol; | |
10464 | modifiers = 0; | |
10465 | } | |
1decb680 PE |
10466 | else if (status_return != XLookupKeySym |
10467 | && status_return != XLookupBoth) | |
10468 | abort (); | |
6c183ba5 RS |
10469 | } |
10470 | else | |
379b5ac0 KH |
10471 | nbytes = XLookupString (&event.xkey, copy_bufptr, |
10472 | copy_bufsiz, &keysym, | |
10473 | &compose_status); | |
6c183ba5 | 10474 | #else |
379b5ac0 KH |
10475 | nbytes = XLookupString (&event.xkey, copy_bufptr, |
10476 | copy_bufsiz, &keysym, | |
10477 | &compose_status); | |
6c183ba5 | 10478 | #endif |
dc6f92b8 | 10479 | |
7a13e894 | 10480 | orig_keysym = keysym; |
55123275 | 10481 | |
7a13e894 RS |
10482 | if (numchars > 1) |
10483 | { | |
10484 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) | |
10485 | || keysym == XK_Delete | |
1097aea0 | 10486 | #ifdef XK_ISO_Left_Tab |
441affdb | 10487 | || (keysym >= XK_ISO_Left_Tab && keysym <= XK_ISO_Enter) |
1097aea0 | 10488 | #endif |
852bff8f | 10489 | || (keysym >= XK_Kanji && keysym <= XK_Eisu_toggle) |
7a13e894 RS |
10490 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ |
10491 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 10492 | #ifdef HPUX |
7a13e894 RS |
10493 | /* This recognizes the "extended function keys". |
10494 | It seems there's no cleaner way. | |
10495 | Test IsModifierKey to avoid handling mode_switch | |
10496 | incorrectly. */ | |
10497 | || ((unsigned) (keysym) >= XK_Select | |
10498 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
10499 | #endif |
10500 | #ifdef XK_dead_circumflex | |
7a13e894 | 10501 | || orig_keysym == XK_dead_circumflex |
69388238 RS |
10502 | #endif |
10503 | #ifdef XK_dead_grave | |
7a13e894 | 10504 | || orig_keysym == XK_dead_grave |
69388238 RS |
10505 | #endif |
10506 | #ifdef XK_dead_tilde | |
7a13e894 | 10507 | || orig_keysym == XK_dead_tilde |
69388238 RS |
10508 | #endif |
10509 | #ifdef XK_dead_diaeresis | |
7a13e894 | 10510 | || orig_keysym == XK_dead_diaeresis |
69388238 RS |
10511 | #endif |
10512 | #ifdef XK_dead_macron | |
7a13e894 | 10513 | || orig_keysym == XK_dead_macron |
69388238 RS |
10514 | #endif |
10515 | #ifdef XK_dead_degree | |
7a13e894 | 10516 | || orig_keysym == XK_dead_degree |
69388238 RS |
10517 | #endif |
10518 | #ifdef XK_dead_acute | |
7a13e894 | 10519 | || orig_keysym == XK_dead_acute |
69388238 RS |
10520 | #endif |
10521 | #ifdef XK_dead_cedilla | |
7a13e894 | 10522 | || orig_keysym == XK_dead_cedilla |
69388238 RS |
10523 | #endif |
10524 | #ifdef XK_dead_breve | |
7a13e894 | 10525 | || orig_keysym == XK_dead_breve |
69388238 RS |
10526 | #endif |
10527 | #ifdef XK_dead_ogonek | |
7a13e894 | 10528 | || orig_keysym == XK_dead_ogonek |
69388238 RS |
10529 | #endif |
10530 | #ifdef XK_dead_caron | |
7a13e894 | 10531 | || orig_keysym == XK_dead_caron |
69388238 RS |
10532 | #endif |
10533 | #ifdef XK_dead_doubleacute | |
7a13e894 | 10534 | || orig_keysym == XK_dead_doubleacute |
69388238 RS |
10535 | #endif |
10536 | #ifdef XK_dead_abovedot | |
7a13e894 | 10537 | || orig_keysym == XK_dead_abovedot |
c34790e0 | 10538 | #endif |
7a13e894 RS |
10539 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
10540 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
10541 | /* Any "vendor-specific" key is ok. */ | |
f0e299de GM |
10542 | || (orig_keysym & (1 << 28)) |
10543 | || (keysym != NoSymbol && nbytes == 0)) | |
7a13e894 | 10544 | && ! (IsModifierKey (orig_keysym) |
7719aa06 RS |
10545 | #ifndef HAVE_X11R5 |
10546 | #ifdef XK_Mode_switch | |
7a13e894 | 10547 | || ((unsigned)(orig_keysym) == XK_Mode_switch) |
7719aa06 RS |
10548 | #endif |
10549 | #ifdef XK_Num_Lock | |
7a13e894 | 10550 | || ((unsigned)(orig_keysym) == XK_Num_Lock) |
7719aa06 RS |
10551 | #endif |
10552 | #endif /* not HAVE_X11R5 */ | |
7a13e894 | 10553 | )) |
dc6f92b8 | 10554 | { |
10e6549c RS |
10555 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
10556 | temp_index = 0; | |
7a13e894 RS |
10557 | temp_buffer[temp_index++] = keysym; |
10558 | bufp->kind = non_ascii_keystroke; | |
10559 | bufp->code = keysym; | |
e0c1aef2 | 10560 | XSETFRAME (bufp->frame_or_window, f); |
0f8aabe9 | 10561 | bufp->arg = Qnil; |
334208b7 RS |
10562 | bufp->modifiers |
10563 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
10564 | modifiers); | |
1113d9db | 10565 | bufp->timestamp = event.xkey.time; |
dc6f92b8 | 10566 | bufp++; |
7a13e894 RS |
10567 | count++; |
10568 | numchars--; | |
dc6f92b8 | 10569 | } |
7a13e894 RS |
10570 | else if (numchars > nbytes) |
10571 | { | |
10572 | register int i; | |
379b5ac0 | 10573 | register int c; |
379b5ac0 | 10574 | int nchars, len; |
7a13e894 RS |
10575 | |
10576 | for (i = 0; i < nbytes; i++) | |
10577 | { | |
379b5ac0 KH |
10578 | if (temp_index == (sizeof temp_buffer |
10579 | / sizeof (short))) | |
7a13e894 | 10580 | temp_index = 0; |
379b5ac0 KH |
10581 | temp_buffer[temp_index++] = copy_bufptr[i]; |
10582 | } | |
10583 | ||
10584 | if (/* If the event is not from XIM, */ | |
10585 | event.xkey.keycode != 0 | |
10586 | /* or the current locale doesn't request | |
10587 | decoding of the intup data, ... */ | |
10588 | || coding.type == coding_type_raw_text | |
10589 | || coding.type == coding_type_no_conversion) | |
10590 | { | |
10591 | /* ... we can use the input data as is. */ | |
10592 | nchars = nbytes; | |
10593 | } | |
10594 | else | |
10595 | { | |
10596 | /* We have to decode the input data. */ | |
10597 | int require; | |
10598 | unsigned char *p; | |
10599 | ||
10600 | require = decoding_buffer_size (&coding, nbytes); | |
10601 | p = (unsigned char *) alloca (require); | |
10602 | coding.mode |= CODING_MODE_LAST_BLOCK; | |
10603 | decode_coding (&coding, copy_bufptr, p, | |
10604 | nbytes, require); | |
10605 | nbytes = coding.produced; | |
10606 | nchars = coding.produced_char; | |
10607 | copy_bufptr = p; | |
10608 | } | |
10609 | ||
10610 | /* Convert the input data to a sequence of | |
10611 | character events. */ | |
10612 | for (i = 0; i < nbytes; i += len) | |
10613 | { | |
fee2aedc GM |
10614 | if (nchars == nbytes) |
10615 | c = copy_bufptr[i], len = 1; | |
10616 | else | |
10617 | c = STRING_CHAR_AND_LENGTH (copy_bufptr + i, | |
10618 | nbytes - i, len); | |
10619 | ||
379b5ac0 KH |
10620 | bufp->kind = (SINGLE_BYTE_CHAR_P (c) |
10621 | ? ascii_keystroke | |
10622 | : multibyte_char_keystroke); | |
10623 | bufp->code = c; | |
7a13e894 | 10624 | XSETFRAME (bufp->frame_or_window, f); |
0f8aabe9 | 10625 | bufp->arg = Qnil; |
7a13e894 RS |
10626 | bufp->modifiers |
10627 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
10628 | modifiers); | |
10629 | bufp->timestamp = event.xkey.time; | |
10630 | bufp++; | |
10631 | } | |
10632 | ||
379b5ac0 KH |
10633 | count += nchars; |
10634 | numchars -= nchars; | |
1decb680 PE |
10635 | |
10636 | if (keysym == NoSymbol) | |
10637 | break; | |
7a13e894 RS |
10638 | } |
10639 | else | |
10640 | abort (); | |
dc6f92b8 | 10641 | } |
10e6549c RS |
10642 | else |
10643 | abort (); | |
dc6f92b8 | 10644 | } |
59ddecde GM |
10645 | #ifdef HAVE_X_I18N |
10646 | /* Don't dispatch this event since XtDispatchEvent calls | |
10647 | XFilterEvent, and two calls in a row may freeze the | |
10648 | client. */ | |
10649 | break; | |
10650 | #else | |
717ca130 | 10651 | goto OTHER; |
59ddecde | 10652 | #endif |
f451eb13 | 10653 | |
f5d11644 | 10654 | case KeyRelease: |
59ddecde GM |
10655 | #ifdef HAVE_X_I18N |
10656 | /* Don't dispatch this event since XtDispatchEvent calls | |
10657 | XFilterEvent, and two calls in a row may freeze the | |
10658 | client. */ | |
10659 | break; | |
10660 | #else | |
f5d11644 | 10661 | goto OTHER; |
59ddecde | 10662 | #endif |
f5d11644 | 10663 | |
7a13e894 | 10664 | /* Here's a possible interpretation of the whole |
06a2c219 GM |
10665 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If |
10666 | you get a FocusIn event, you have to get a FocusOut | |
10667 | event before you relinquish the focus. If you | |
10668 | haven't received a FocusIn event, then a mere | |
10669 | LeaveNotify is enough to free you. */ | |
f451eb13 | 10670 | |
7a13e894 | 10671 | case EnterNotify: |
06a2c219 | 10672 | { |
06a2c219 GM |
10673 | f = x_any_window_to_frame (dpyinfo, event.xcrossing.window); |
10674 | ||
2c850e26 | 10675 | #if 0 |
582c60f8 | 10676 | if (event.xcrossing.focus) |
06a2c219 GM |
10677 | { |
10678 | /* Avoid nasty pop/raise loops. */ | |
10679 | if (f && (!(f->auto_raise) | |
10680 | || !(f->auto_lower) | |
10681 | || (event.xcrossing.time - enter_timestamp) > 500)) | |
10682 | { | |
10683 | x_new_focus_frame (dpyinfo, f); | |
10684 | enter_timestamp = event.xcrossing.time; | |
10685 | } | |
10686 | } | |
10687 | else if (f == dpyinfo->x_focus_frame) | |
10688 | x_new_focus_frame (dpyinfo, 0); | |
2c850e26 RS |
10689 | #endif |
10690 | ||
06a2c219 GM |
10691 | /* EnterNotify counts as mouse movement, |
10692 | so update things that depend on mouse position. */ | |
2533c408 | 10693 | if (f && !f->output_data.x->hourglass_p) |
06a2c219 GM |
10694 | note_mouse_movement (f, &event.xmotion); |
10695 | goto OTHER; | |
10696 | } | |
dc6f92b8 | 10697 | |
7a13e894 | 10698 | case FocusIn: |
19126e11 | 10699 | f = x_any_window_to_frame (dpyinfo, event.xfocus.window); |
7a13e894 | 10700 | if (event.xfocus.detail != NotifyPointer) |
0f941935 | 10701 | dpyinfo->x_focus_event_frame = f; |
7a13e894 | 10702 | if (f) |
eb72635f GM |
10703 | { |
10704 | x_new_focus_frame (dpyinfo, f); | |
10705 | ||
10706 | /* Don't stop displaying the initial startup message | |
10707 | for a switch-frame event we don't need. */ | |
10708 | if (GC_NILP (Vterminal_frame) | |
10709 | && GC_CONSP (Vframe_list) | |
10710 | && !GC_NILP (XCDR (Vframe_list))) | |
10711 | { | |
10712 | bufp->kind = FOCUS_IN_EVENT; | |
10713 | XSETFRAME (bufp->frame_or_window, f); | |
0f8aabe9 | 10714 | bufp->arg = Qnil; |
eb72635f GM |
10715 | ++bufp, ++count, --numchars; |
10716 | } | |
10717 | } | |
f9e24cb9 | 10718 | |
6c183ba5 RS |
10719 | #ifdef HAVE_X_I18N |
10720 | if (f && FRAME_XIC (f)) | |
10721 | XSetICFocus (FRAME_XIC (f)); | |
10722 | #endif | |
10723 | ||
7a13e894 | 10724 | goto OTHER; |
10c5e63d | 10725 | |
7a13e894 | 10726 | case LeaveNotify: |
19126e11 | 10727 | f = x_top_window_to_frame (dpyinfo, event.xcrossing.window); |
7a13e894 | 10728 | if (f) |
10c5e63d | 10729 | { |
7a13e894 | 10730 | if (f == dpyinfo->mouse_face_mouse_frame) |
06a2c219 GM |
10731 | { |
10732 | /* If we move outside the frame, then we're | |
10733 | certainly no longer on any text in the frame. */ | |
10734 | clear_mouse_face (dpyinfo); | |
10735 | dpyinfo->mouse_face_mouse_frame = 0; | |
10736 | } | |
10737 | ||
10738 | /* Generate a nil HELP_EVENT to cancel a help-echo. | |
10739 | Do it only if there's something to cancel. | |
10740 | Otherwise, the startup message is cleared when | |
10741 | the mouse leaves the frame. */ | |
10742 | if (any_help_event_p) | |
10743 | { | |
be010514 GM |
10744 | Lisp_Object frame; |
10745 | int n; | |
10746 | ||
06a2c219 | 10747 | XSETFRAME (frame, f); |
82c5d67a | 10748 | help_echo = Qnil; |
5ab2570d GM |
10749 | n = gen_help_event (bufp, numchars, |
10750 | Qnil, frame, Qnil, Qnil, 0); | |
be010514 | 10751 | bufp += n, count += n, numchars -= n; |
06a2c219 | 10752 | } |
7a13e894 | 10753 | |
2c850e26 | 10754 | #if 0 |
582c60f8 | 10755 | if (event.xcrossing.focus) |
0f941935 | 10756 | x_mouse_leave (dpyinfo); |
10c5e63d | 10757 | else |
7a13e894 | 10758 | { |
0f941935 KH |
10759 | if (f == dpyinfo->x_focus_event_frame) |
10760 | dpyinfo->x_focus_event_frame = 0; | |
140d6643 | 10761 | if (f == dpyinfo->x_focus_frame) |
0f941935 | 10762 | x_new_focus_frame (dpyinfo, 0); |
7a13e894 | 10763 | } |
2c850e26 | 10764 | #endif |
10c5e63d | 10765 | } |
7a13e894 | 10766 | goto OTHER; |
dc6f92b8 | 10767 | |
7a13e894 | 10768 | case FocusOut: |
19126e11 | 10769 | f = x_any_window_to_frame (dpyinfo, event.xfocus.window); |
7a13e894 | 10770 | if (event.xfocus.detail != NotifyPointer |
0f941935 KH |
10771 | && f == dpyinfo->x_focus_event_frame) |
10772 | dpyinfo->x_focus_event_frame = 0; | |
10773 | if (f && f == dpyinfo->x_focus_frame) | |
10774 | x_new_focus_frame (dpyinfo, 0); | |
f9e24cb9 | 10775 | |
6c183ba5 RS |
10776 | #ifdef HAVE_X_I18N |
10777 | if (f && FRAME_XIC (f)) | |
10778 | XUnsetICFocus (FRAME_XIC (f)); | |
10779 | #endif | |
10780 | ||
7a13e894 | 10781 | goto OTHER; |
dc6f92b8 | 10782 | |
7a13e894 | 10783 | case MotionNotify: |
dc6f92b8 | 10784 | { |
06a2c219 | 10785 | previous_help_echo = help_echo; |
7cea38bc | 10786 | help_echo = help_echo_object = help_echo_window = Qnil; |
be010514 | 10787 | help_echo_pos = -1; |
06a2c219 | 10788 | |
7a13e894 RS |
10789 | if (dpyinfo->grabbed && last_mouse_frame |
10790 | && FRAME_LIVE_P (last_mouse_frame)) | |
10791 | f = last_mouse_frame; | |
10792 | else | |
19126e11 | 10793 | f = x_window_to_frame (dpyinfo, event.xmotion.window); |
06a2c219 | 10794 | |
7a13e894 RS |
10795 | if (f) |
10796 | note_mouse_movement (f, &event.xmotion); | |
10797 | else | |
10798 | { | |
e88b3c50 | 10799 | #ifndef USE_TOOLKIT_SCROLL_BARS |
7a13e894 RS |
10800 | struct scroll_bar *bar |
10801 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 | 10802 | |
7a13e894 RS |
10803 | if (bar) |
10804 | x_scroll_bar_note_movement (bar, &event); | |
e88b3c50 | 10805 | #endif /* USE_TOOLKIT_SCROLL_BARS */ |
b8009dd1 | 10806 | |
06a2c219 GM |
10807 | /* If we move outside the frame, then we're |
10808 | certainly no longer on any text in the frame. */ | |
7a13e894 RS |
10809 | clear_mouse_face (dpyinfo); |
10810 | } | |
06a2c219 GM |
10811 | |
10812 | /* If the contents of the global variable help_echo | |
10813 | has changed, generate a HELP_EVENT. */ | |
b7e80413 SM |
10814 | if (!NILP (help_echo) |
10815 | || !NILP (previous_help_echo)) | |
06a2c219 GM |
10816 | { |
10817 | Lisp_Object frame; | |
be010514 | 10818 | int n; |
06a2c219 GM |
10819 | |
10820 | if (f) | |
10821 | XSETFRAME (frame, f); | |
10822 | else | |
10823 | frame = Qnil; | |
10824 | ||
10825 | any_help_event_p = 1; | |
5ab2570d | 10826 | n = gen_help_event (bufp, numchars, help_echo, frame, |
7cea38bc GM |
10827 | help_echo_window, help_echo_object, |
10828 | help_echo_pos); | |
be010514 | 10829 | bufp += n, count += n, numchars -= n; |
06a2c219 GM |
10830 | } |
10831 | ||
10832 | goto OTHER; | |
dc6f92b8 | 10833 | } |
dc6f92b8 | 10834 | |
7a13e894 | 10835 | case ConfigureNotify: |
9829ddba RS |
10836 | f = x_top_window_to_frame (dpyinfo, event.xconfigure.window); |
10837 | if (f) | |
af395ec1 | 10838 | { |
5c187dee | 10839 | #ifndef USE_X_TOOLKIT |
bf1b7b30 KH |
10840 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); |
10841 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
5c187dee | 10842 | |
2d7fc7e8 RS |
10843 | /* In the toolkit version, change_frame_size |
10844 | is called by the code that handles resizing | |
10845 | of the EmacsFrame widget. */ | |
7a13e894 | 10846 | |
7a13e894 RS |
10847 | /* Even if the number of character rows and columns has |
10848 | not changed, the font size may have changed, so we need | |
10849 | to check the pixel dimensions as well. */ | |
10850 | if (columns != f->width | |
10851 | || rows != f->height | |
7556890b RS |
10852 | || event.xconfigure.width != f->output_data.x->pixel_width |
10853 | || event.xconfigure.height != f->output_data.x->pixel_height) | |
7a13e894 | 10854 | { |
7d1e984f | 10855 | change_frame_size (f, rows, columns, 0, 1, 0); |
7a13e894 | 10856 | SET_FRAME_GARBAGED (f); |
e687d06e | 10857 | cancel_mouse_face (f); |
7a13e894 | 10858 | } |
2d7fc7e8 | 10859 | #endif |
af395ec1 | 10860 | |
7556890b RS |
10861 | f->output_data.x->pixel_width = event.xconfigure.width; |
10862 | f->output_data.x->pixel_height = event.xconfigure.height; | |
7a13e894 RS |
10863 | |
10864 | /* What we have now is the position of Emacs's own window. | |
10865 | Convert that to the position of the window manager window. */ | |
dcb07ae9 RS |
10866 | x_real_positions (f, &f->output_data.x->left_pos, |
10867 | &f->output_data.x->top_pos); | |
10868 | ||
f5d11644 GM |
10869 | #ifdef HAVE_X_I18N |
10870 | if (FRAME_XIC (f) && (FRAME_XIC_STYLE (f) & XIMStatusArea)) | |
10871 | xic_set_statusarea (f); | |
10872 | #endif | |
10873 | ||
dcb07ae9 RS |
10874 | if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
10875 | { | |
10876 | /* Since the WM decorations come below top_pos now, | |
10877 | we must put them below top_pos in the future. */ | |
10878 | f->output_data.x->win_gravity = NorthWestGravity; | |
10879 | x_wm_set_size_hint (f, (long) 0, 0); | |
10880 | } | |
8f08dc93 KH |
10881 | #ifdef USE_MOTIF |
10882 | /* Some window managers pass (0,0) as the location of | |
10883 | the window, and the Motif event handler stores it | |
10884 | in the emacs widget, which messes up Motif menus. */ | |
10885 | if (event.xconfigure.x == 0 && event.xconfigure.y == 0) | |
10886 | { | |
10887 | event.xconfigure.x = f->output_data.x->widget->core.x; | |
10888 | event.xconfigure.y = f->output_data.x->widget->core.y; | |
10889 | } | |
06a2c219 | 10890 | #endif /* USE_MOTIF */ |
7a13e894 | 10891 | } |
2d7fc7e8 | 10892 | goto OTHER; |
dc6f92b8 | 10893 | |
7a13e894 RS |
10894 | case ButtonPress: |
10895 | case ButtonRelease: | |
10896 | { | |
10897 | /* If we decide we want to generate an event to be seen | |
10898 | by the rest of Emacs, we put it here. */ | |
10899 | struct input_event emacs_event; | |
9ea173e8 | 10900 | int tool_bar_p = 0; |
06a2c219 | 10901 | |
7a13e894 | 10902 | emacs_event.kind = no_event; |
7a13e894 | 10903 | bzero (&compose_status, sizeof (compose_status)); |
9b07615b | 10904 | |
06a2c219 GM |
10905 | if (dpyinfo->grabbed |
10906 | && last_mouse_frame | |
9f67f20b RS |
10907 | && FRAME_LIVE_P (last_mouse_frame)) |
10908 | f = last_mouse_frame; | |
10909 | else | |
2224b905 | 10910 | f = x_window_to_frame (dpyinfo, event.xbutton.window); |
9f67f20b | 10911 | |
06a2c219 GM |
10912 | if (f) |
10913 | { | |
9ea173e8 GM |
10914 | /* Is this in the tool-bar? */ |
10915 | if (WINDOWP (f->tool_bar_window) | |
10916 | && XFASTINT (XWINDOW (f->tool_bar_window)->height)) | |
06a2c219 GM |
10917 | { |
10918 | Lisp_Object window; | |
10919 | int p, x, y; | |
10920 | ||
10921 | x = event.xbutton.x; | |
10922 | y = event.xbutton.y; | |
10923 | ||
10924 | /* Set x and y. */ | |
10925 | window = window_from_coordinates (f, x, y, &p, 1); | |
9ea173e8 | 10926 | if (EQ (window, f->tool_bar_window)) |
06a2c219 | 10927 | { |
9ea173e8 GM |
10928 | x_handle_tool_bar_click (f, &event.xbutton); |
10929 | tool_bar_p = 1; | |
06a2c219 GM |
10930 | } |
10931 | } | |
10932 | ||
9ea173e8 | 10933 | if (!tool_bar_p) |
06a2c219 GM |
10934 | if (!dpyinfo->x_focus_frame |
10935 | || f == dpyinfo->x_focus_frame) | |
10936 | construct_mouse_click (&emacs_event, &event, f); | |
7a13e894 RS |
10937 | } |
10938 | else | |
10939 | { | |
06a2c219 | 10940 | #ifndef USE_TOOLKIT_SCROLL_BARS |
7a13e894 RS |
10941 | struct scroll_bar *bar |
10942 | = x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 | 10943 | |
7a13e894 RS |
10944 | if (bar) |
10945 | x_scroll_bar_handle_click (bar, &event, &emacs_event); | |
06a2c219 | 10946 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
7a13e894 RS |
10947 | } |
10948 | ||
10949 | if (event.type == ButtonPress) | |
10950 | { | |
10951 | dpyinfo->grabbed |= (1 << event.xbutton.button); | |
10952 | last_mouse_frame = f; | |
edad46f6 KH |
10953 | /* Ignore any mouse motion that happened |
10954 | before this event; any subsequent mouse-movement | |
10955 | Emacs events should reflect only motion after | |
10956 | the ButtonPress. */ | |
a00e91cd KH |
10957 | if (f != 0) |
10958 | f->mouse_moved = 0; | |
06a2c219 | 10959 | |
9ea173e8 GM |
10960 | if (!tool_bar_p) |
10961 | last_tool_bar_item = -1; | |
7a13e894 | 10962 | } |
3afe33e7 RS |
10963 | else |
10964 | { | |
7a13e894 | 10965 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); |
3afe33e7 | 10966 | } |
23faf38f | 10967 | |
7a13e894 RS |
10968 | if (numchars >= 1 && emacs_event.kind != no_event) |
10969 | { | |
10970 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
10971 | bufp++; | |
10972 | count++; | |
10973 | numchars--; | |
10974 | } | |
3afe33e7 RS |
10975 | |
10976 | #ifdef USE_X_TOOLKIT | |
2224b905 RS |
10977 | f = x_menubar_window_to_frame (dpyinfo, event.xbutton.window); |
10978 | /* For a down-event in the menu bar, | |
10979 | don't pass it to Xt right now. | |
10980 | Instead, save it away | |
10981 | and we will pass it to Xt from kbd_buffer_get_event. | |
10982 | That way, we can run some Lisp code first. */ | |
91375f8f RS |
10983 | if (f && event.type == ButtonPress |
10984 | /* Verify the event is really within the menu bar | |
10985 | and not just sent to it due to grabbing. */ | |
10986 | && event.xbutton.x >= 0 | |
10987 | && event.xbutton.x < f->output_data.x->pixel_width | |
10988 | && event.xbutton.y >= 0 | |
10989 | && event.xbutton.y < f->output_data.x->menubar_height | |
10990 | && event.xbutton.same_screen) | |
2224b905 | 10991 | { |
8805890a | 10992 | SET_SAVED_BUTTON_EVENT; |
2237cac9 RS |
10993 | XSETFRAME (last_mouse_press_frame, f); |
10994 | } | |
10995 | else if (event.type == ButtonPress) | |
10996 | { | |
10997 | last_mouse_press_frame = Qnil; | |
30e671c3 | 10998 | goto OTHER; |
ce89ef46 | 10999 | } |
06a2c219 | 11000 | |
2237cac9 RS |
11001 | #ifdef USE_MOTIF /* This should do not harm for Lucid, |
11002 | but I am trying to be cautious. */ | |
ce89ef46 RS |
11003 | else if (event.type == ButtonRelease) |
11004 | { | |
2237cac9 | 11005 | if (!NILP (last_mouse_press_frame)) |
f10ded1c | 11006 | { |
2237cac9 RS |
11007 | f = XFRAME (last_mouse_press_frame); |
11008 | if (f->output_data.x) | |
06a2c219 | 11009 | SET_SAVED_BUTTON_EVENT; |
f10ded1c | 11010 | } |
06a2c219 | 11011 | else |
30e671c3 | 11012 | goto OTHER; |
2224b905 | 11013 | } |
2237cac9 | 11014 | #endif /* USE_MOTIF */ |
2224b905 RS |
11015 | else |
11016 | goto OTHER; | |
3afe33e7 | 11017 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
11018 | } |
11019 | break; | |
dc6f92b8 | 11020 | |
7a13e894 | 11021 | case CirculateNotify: |
06a2c219 GM |
11022 | goto OTHER; |
11023 | ||
7a13e894 | 11024 | case CirculateRequest: |
06a2c219 GM |
11025 | goto OTHER; |
11026 | ||
11027 | case VisibilityNotify: | |
11028 | goto OTHER; | |
dc6f92b8 | 11029 | |
7a13e894 RS |
11030 | case MappingNotify: |
11031 | /* Someone has changed the keyboard mapping - update the | |
11032 | local cache. */ | |
11033 | switch (event.xmapping.request) | |
11034 | { | |
11035 | case MappingModifier: | |
11036 | x_find_modifier_meanings (dpyinfo); | |
11037 | /* This is meant to fall through. */ | |
11038 | case MappingKeyboard: | |
11039 | XRefreshKeyboardMapping (&event.xmapping); | |
11040 | } | |
7a13e894 | 11041 | goto OTHER; |
dc6f92b8 | 11042 | |
7a13e894 | 11043 | default: |
7a13e894 | 11044 | OTHER: |
717ca130 | 11045 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
11046 | BLOCK_INPUT; |
11047 | XtDispatchEvent (&event); | |
11048 | UNBLOCK_INPUT; | |
3afe33e7 | 11049 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
11050 | break; |
11051 | } | |
dc6f92b8 JB |
11052 | } |
11053 | } | |
11054 | ||
06a2c219 GM |
11055 | out:; |
11056 | ||
9a5196d0 RS |
11057 | /* On some systems, an X bug causes Emacs to get no more events |
11058 | when the window is destroyed. Detect that. (1994.) */ | |
58769bee | 11059 | if (! event_found) |
ef2a22d0 | 11060 | { |
ef2a22d0 RS |
11061 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. |
11062 | One XNOOP in 100 loops will make Emacs terminate. | |
11063 | B. Bretthauer, 1994 */ | |
11064 | x_noop_count++; | |
58769bee | 11065 | if (x_noop_count >= 100) |
ef2a22d0 RS |
11066 | { |
11067 | x_noop_count=0; | |
2224b905 RS |
11068 | |
11069 | if (next_noop_dpyinfo == 0) | |
11070 | next_noop_dpyinfo = x_display_list; | |
11071 | ||
11072 | XNoOp (next_noop_dpyinfo->display); | |
11073 | ||
11074 | /* Each time we get here, cycle through the displays now open. */ | |
11075 | next_noop_dpyinfo = next_noop_dpyinfo->next; | |
ef2a22d0 RS |
11076 | } |
11077 | } | |
502add23 | 11078 | |
06a2c219 | 11079 | /* If the focus was just given to an auto-raising frame, |
0134a210 | 11080 | raise it now. */ |
7a13e894 | 11081 | /* ??? This ought to be able to handle more than one such frame. */ |
0134a210 RS |
11082 | if (pending_autoraise_frame) |
11083 | { | |
11084 | x_raise_frame (pending_autoraise_frame); | |
11085 | pending_autoraise_frame = 0; | |
11086 | } | |
0134a210 | 11087 | |
dc6f92b8 | 11088 | UNBLOCK_INPUT; |
bde5503b | 11089 | --handling_signal; |
dc6f92b8 JB |
11090 | return count; |
11091 | } | |
06a2c219 GM |
11092 | |
11093 | ||
11094 | ||
dc6f92b8 | 11095 | \f |
06a2c219 GM |
11096 | /*********************************************************************** |
11097 | Text Cursor | |
11098 | ***********************************************************************/ | |
11099 | ||
78a9a4c5 | 11100 | /* Notice if the text cursor of window W has been overwritten by a |
f0a48a01 GM |
11101 | drawing operation that outputs N glyphs starting at START_X and |
11102 | ending at END_X in the line given by output_cursor.vpos. | |
bb4600a4 | 11103 | Coordinates are area-relative. END_X < 0 means all the rest |
f0a48a01 | 11104 | of the line after START_X has been written. */ |
06a2c219 GM |
11105 | |
11106 | static void | |
f0a48a01 | 11107 | notice_overwritten_cursor (w, start_x, end_x) |
06a2c219 | 11108 | struct window *w; |
f0a48a01 | 11109 | int start_x, end_x; |
06a2c219 GM |
11110 | { |
11111 | if (updated_area == TEXT_AREA | |
f0a48a01 | 11112 | && w->phys_cursor_on_p |
06a2c219 | 11113 | && output_cursor.vpos == w->phys_cursor.vpos |
f0a48a01 | 11114 | && start_x <= w->phys_cursor.x |
9f0de4e3 | 11115 | && (end_x < 0 || end_x > w->phys_cursor.x)) |
f0a48a01 | 11116 | w->phys_cursor_on_p = 0; |
06a2c219 | 11117 | } |
f451eb13 JB |
11118 | |
11119 | ||
06a2c219 GM |
11120 | /* Set clipping for output in glyph row ROW. W is the window in which |
11121 | we operate. GC is the graphics context to set clipping in. | |
11122 | WHOLE_LINE_P non-zero means include the areas used for truncation | |
11123 | mark display and alike in the clipping rectangle. | |
11124 | ||
11125 | ROW may be a text row or, e.g., a mode line. Text rows must be | |
11126 | clipped to the interior of the window dedicated to text display, | |
11127 | mode lines must be clipped to the whole window. */ | |
dc6f92b8 JB |
11128 | |
11129 | static void | |
06a2c219 GM |
11130 | x_clip_to_row (w, row, gc, whole_line_p) |
11131 | struct window *w; | |
11132 | struct glyph_row *row; | |
11133 | GC gc; | |
11134 | int whole_line_p; | |
dc6f92b8 | 11135 | { |
06a2c219 GM |
11136 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
11137 | XRectangle clip_rect; | |
11138 | int window_x, window_y, window_width, window_height; | |
dc6f92b8 | 11139 | |
06a2c219 | 11140 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); |
5c1aae96 | 11141 | |
06a2c219 GM |
11142 | clip_rect.x = WINDOW_TO_FRAME_PIXEL_X (w, 0); |
11143 | clip_rect.y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
11144 | clip_rect.y = max (clip_rect.y, window_y); | |
11145 | clip_rect.width = window_width; | |
11146 | clip_rect.height = row->visible_height; | |
5c1aae96 | 11147 | |
06a2c219 GM |
11148 | /* If clipping to the whole line, including trunc marks, extend |
11149 | the rectangle to the left and increase its width. */ | |
11150 | if (whole_line_p) | |
11151 | { | |
3f332ef3 KS |
11152 | clip_rect.x -= FRAME_X_LEFT_FRINGE_WIDTH (f); |
11153 | clip_rect.width += FRAME_X_FRINGE_WIDTH (f); | |
06a2c219 | 11154 | } |
5c1aae96 | 11155 | |
06a2c219 | 11156 | XSetClipRectangles (FRAME_X_DISPLAY (f), gc, 0, 0, &clip_rect, 1, Unsorted); |
dc6f92b8 JB |
11157 | } |
11158 | ||
06a2c219 GM |
11159 | |
11160 | /* Draw a hollow box cursor on window W in glyph row ROW. */ | |
dc6f92b8 JB |
11161 | |
11162 | static void | |
06a2c219 GM |
11163 | x_draw_hollow_cursor (w, row) |
11164 | struct window *w; | |
11165 | struct glyph_row *row; | |
dc6f92b8 | 11166 | { |
06a2c219 GM |
11167 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
11168 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
11169 | Display *dpy = FRAME_X_DISPLAY (f); | |
11170 | int x, y, wd, h; | |
11171 | XGCValues xgcv; | |
11172 | struct glyph *cursor_glyph; | |
11173 | GC gc; | |
11174 | ||
11175 | /* Compute frame-relative coordinates from window-relative | |
11176 | coordinates. */ | |
11177 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); | |
11178 | y = (WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y) | |
11179 | + row->ascent - w->phys_cursor_ascent); | |
11180 | h = row->height - 1; | |
11181 | ||
11182 | /* Get the glyph the cursor is on. If we can't tell because | |
11183 | the current matrix is invalid or such, give up. */ | |
11184 | cursor_glyph = get_phys_cursor_glyph (w); | |
11185 | if (cursor_glyph == NULL) | |
dc6f92b8 JB |
11186 | return; |
11187 | ||
06a2c219 GM |
11188 | /* Compute the width of the rectangle to draw. If on a stretch |
11189 | glyph, and `x-stretch-block-cursor' is nil, don't draw a | |
11190 | rectangle as wide as the glyph, but use a canonical character | |
11191 | width instead. */ | |
11192 | wd = cursor_glyph->pixel_width - 1; | |
11193 | if (cursor_glyph->type == STRETCH_GLYPH | |
11194 | && !x_stretch_cursor_p) | |
11195 | wd = min (CANON_X_UNIT (f), wd); | |
11196 | ||
11197 | /* The foreground of cursor_gc is typically the same as the normal | |
11198 | background color, which can cause the cursor box to be invisible. */ | |
11199 | xgcv.foreground = f->output_data.x->cursor_pixel; | |
11200 | if (dpyinfo->scratch_cursor_gc) | |
11201 | XChangeGC (dpy, dpyinfo->scratch_cursor_gc, GCForeground, &xgcv); | |
11202 | else | |
11203 | dpyinfo->scratch_cursor_gc = XCreateGC (dpy, FRAME_X_WINDOW (f), | |
11204 | GCForeground, &xgcv); | |
11205 | gc = dpyinfo->scratch_cursor_gc; | |
11206 | ||
11207 | /* Set clipping, draw the rectangle, and reset clipping again. */ | |
11208 | x_clip_to_row (w, row, gc, 0); | |
11209 | XDrawRectangle (dpy, FRAME_X_WINDOW (f), gc, x, y, wd, h); | |
11210 | XSetClipMask (dpy, gc, None); | |
dc6f92b8 JB |
11211 | } |
11212 | ||
06a2c219 GM |
11213 | |
11214 | /* Draw a bar cursor on window W in glyph row ROW. | |
11215 | ||
11216 | Implementation note: One would like to draw a bar cursor with an | |
11217 | angle equal to the one given by the font property XA_ITALIC_ANGLE. | |
11218 | Unfortunately, I didn't find a font yet that has this property set. | |
11219 | --gerd. */ | |
dc6f92b8 JB |
11220 | |
11221 | static void | |
f02d8aa0 | 11222 | x_draw_bar_cursor (w, row, width) |
06a2c219 GM |
11223 | struct window *w; |
11224 | struct glyph_row *row; | |
f02d8aa0 | 11225 | int width; |
dc6f92b8 | 11226 | { |
92f424df GM |
11227 | struct frame *f = XFRAME (w->frame); |
11228 | struct glyph *cursor_glyph; | |
06a2c219 | 11229 | |
92f424df GM |
11230 | /* If cursor is out of bounds, don't draw garbage. This can happen |
11231 | in mini-buffer windows when switching between echo area glyphs | |
11232 | and mini-buffer. */ | |
11233 | cursor_glyph = get_phys_cursor_glyph (w); | |
11234 | if (cursor_glyph == NULL) | |
11235 | return; | |
06a2c219 | 11236 | |
92f424df GM |
11237 | /* If on an image, draw like a normal cursor. That's usually better |
11238 | visible than drawing a bar, esp. if the image is large so that | |
11239 | the bar might not be in the window. */ | |
11240 | if (cursor_glyph->type == IMAGE_GLYPH) | |
11241 | { | |
11242 | struct glyph_row *row; | |
11243 | row = MATRIX_ROW (w->current_matrix, w->phys_cursor.vpos); | |
11244 | x_draw_phys_cursor_glyph (w, row, DRAW_CURSOR); | |
11245 | } | |
11246 | else | |
11247 | { | |
34e5d0af GM |
11248 | Display *dpy = FRAME_X_DISPLAY (f); |
11249 | Window window = FRAME_X_WINDOW (f); | |
11250 | GC gc = FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc; | |
11251 | unsigned long mask = GCForeground | GCBackground | GCGraphicsExposures; | |
11252 | struct face *face = FACE_FROM_ID (f, cursor_glyph->face_id); | |
11253 | XGCValues xgcv; | |
11254 | ||
11255 | /* If the glyph's background equals the color we normally draw | |
11256 | the bar cursor in, the bar cursor in its normal color is | |
11257 | invisible. Use the glyph's foreground color instead in this | |
11258 | case, on the assumption that the glyph's colors are chosen so | |
11259 | that the glyph is legible. */ | |
11260 | if (face->background == f->output_data.x->cursor_pixel) | |
11261 | xgcv.background = xgcv.foreground = face->foreground; | |
11262 | else | |
11263 | xgcv.background = xgcv.foreground = f->output_data.x->cursor_pixel; | |
06a2c219 | 11264 | xgcv.graphics_exposures = 0; |
92f424df | 11265 | |
06a2c219 GM |
11266 | if (gc) |
11267 | XChangeGC (dpy, gc, mask, &xgcv); | |
11268 | else | |
11269 | { | |
11270 | gc = XCreateGC (dpy, window, mask, &xgcv); | |
11271 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc = gc; | |
11272 | } | |
92f424df | 11273 | |
f02d8aa0 GM |
11274 | if (width < 0) |
11275 | width = f->output_data.x->cursor_width; | |
34e5d0af | 11276 | width = min (cursor_glyph->pixel_width, width); |
92f424df | 11277 | |
06a2c219 GM |
11278 | x_clip_to_row (w, row, gc, 0); |
11279 | XFillRectangle (dpy, window, gc, | |
34e5d0af | 11280 | WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x), |
06a2c219 | 11281 | WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y), |
34e5d0af | 11282 | width, row->height); |
06a2c219 GM |
11283 | XSetClipMask (dpy, gc, None); |
11284 | } | |
dc6f92b8 JB |
11285 | } |
11286 | ||
06a2c219 GM |
11287 | |
11288 | /* Clear the cursor of window W to background color, and mark the | |
11289 | cursor as not shown. This is used when the text where the cursor | |
11290 | is is about to be rewritten. */ | |
11291 | ||
dc6f92b8 | 11292 | static void |
06a2c219 GM |
11293 | x_clear_cursor (w) |
11294 | struct window *w; | |
dc6f92b8 | 11295 | { |
06a2c219 GM |
11296 | if (FRAME_VISIBLE_P (XFRAME (w->frame)) && w->phys_cursor_on_p) |
11297 | x_update_window_cursor (w, 0); | |
11298 | } | |
90e65f07 | 11299 | |
dbc4e1c1 | 11300 | |
06a2c219 GM |
11301 | /* Draw the cursor glyph of window W in glyph row ROW. See the |
11302 | comment of x_draw_glyphs for the meaning of HL. */ | |
dbc4e1c1 | 11303 | |
06a2c219 GM |
11304 | static void |
11305 | x_draw_phys_cursor_glyph (w, row, hl) | |
11306 | struct window *w; | |
11307 | struct glyph_row *row; | |
11308 | enum draw_glyphs_face hl; | |
11309 | { | |
11310 | /* If cursor hpos is out of bounds, don't draw garbage. This can | |
11311 | happen in mini-buffer windows when switching between echo area | |
11312 | glyphs and mini-buffer. */ | |
11313 | if (w->phys_cursor.hpos < row->used[TEXT_AREA]) | |
66ac4b0e | 11314 | { |
f0a48a01 GM |
11315 | int on_p = w->phys_cursor_on_p; |
11316 | ||
66ac4b0e GM |
11317 | x_draw_glyphs (w, w->phys_cursor.x, row, TEXT_AREA, |
11318 | w->phys_cursor.hpos, w->phys_cursor.hpos + 1, | |
f0a48a01 GM |
11319 | hl, 0); |
11320 | w->phys_cursor_on_p = on_p; | |
66ac4b0e GM |
11321 | |
11322 | /* When we erase the cursor, and ROW is overlapped by other | |
11323 | rows, make sure that these overlapping parts of other rows | |
11324 | are redrawn. */ | |
11325 | if (hl == DRAW_NORMAL_TEXT && row->overlapped_p) | |
11326 | { | |
11327 | if (row > w->current_matrix->rows | |
11328 | && MATRIX_ROW_OVERLAPS_SUCC_P (row - 1)) | |
11329 | x_fix_overlapping_area (w, row - 1, TEXT_AREA); | |
11330 | ||
11331 | if (MATRIX_ROW_BOTTOM_Y (row) < window_text_bottom_y (w) | |
11332 | && MATRIX_ROW_OVERLAPS_PRED_P (row + 1)) | |
11333 | x_fix_overlapping_area (w, row + 1, TEXT_AREA); | |
11334 | } | |
11335 | } | |
06a2c219 | 11336 | } |
dbc4e1c1 | 11337 | |
eea6af04 | 11338 | |
06a2c219 | 11339 | /* Erase the image of a cursor of window W from the screen. */ |
eea6af04 | 11340 | |
06a2c219 GM |
11341 | static void |
11342 | x_erase_phys_cursor (w) | |
11343 | struct window *w; | |
11344 | { | |
11345 | struct frame *f = XFRAME (w->frame); | |
11346 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
11347 | int hpos = w->phys_cursor.hpos; | |
11348 | int vpos = w->phys_cursor.vpos; | |
11349 | int mouse_face_here_p = 0; | |
11350 | struct glyph_matrix *active_glyphs = w->current_matrix; | |
11351 | struct glyph_row *cursor_row; | |
11352 | struct glyph *cursor_glyph; | |
11353 | enum draw_glyphs_face hl; | |
11354 | ||
11355 | /* No cursor displayed or row invalidated => nothing to do on the | |
11356 | screen. */ | |
11357 | if (w->phys_cursor_type == NO_CURSOR) | |
11358 | goto mark_cursor_off; | |
11359 | ||
11360 | /* VPOS >= active_glyphs->nrows means that window has been resized. | |
11361 | Don't bother to erase the cursor. */ | |
11362 | if (vpos >= active_glyphs->nrows) | |
11363 | goto mark_cursor_off; | |
11364 | ||
11365 | /* If row containing cursor is marked invalid, there is nothing we | |
11366 | can do. */ | |
11367 | cursor_row = MATRIX_ROW (active_glyphs, vpos); | |
11368 | if (!cursor_row->enabled_p) | |
11369 | goto mark_cursor_off; | |
11370 | ||
11371 | /* This can happen when the new row is shorter than the old one. | |
11372 | In this case, either x_draw_glyphs or clear_end_of_line | |
11373 | should have cleared the cursor. Note that we wouldn't be | |
11374 | able to erase the cursor in this case because we don't have a | |
11375 | cursor glyph at hand. */ | |
11376 | if (w->phys_cursor.hpos >= cursor_row->used[TEXT_AREA]) | |
11377 | goto mark_cursor_off; | |
11378 | ||
11379 | /* If the cursor is in the mouse face area, redisplay that when | |
11380 | we clear the cursor. */ | |
8801a864 KR |
11381 | if (! NILP (dpyinfo->mouse_face_window) |
11382 | && w == XWINDOW (dpyinfo->mouse_face_window) | |
06a2c219 GM |
11383 | && (vpos > dpyinfo->mouse_face_beg_row |
11384 | || (vpos == dpyinfo->mouse_face_beg_row | |
11385 | && hpos >= dpyinfo->mouse_face_beg_col)) | |
11386 | && (vpos < dpyinfo->mouse_face_end_row | |
11387 | || (vpos == dpyinfo->mouse_face_end_row | |
11388 | && hpos < dpyinfo->mouse_face_end_col)) | |
11389 | /* Don't redraw the cursor's spot in mouse face if it is at the | |
11390 | end of a line (on a newline). The cursor appears there, but | |
11391 | mouse highlighting does not. */ | |
11392 | && cursor_row->used[TEXT_AREA] > hpos) | |
11393 | mouse_face_here_p = 1; | |
11394 | ||
11395 | /* Maybe clear the display under the cursor. */ | |
11396 | if (w->phys_cursor_type == HOLLOW_BOX_CURSOR) | |
11397 | { | |
11398 | int x; | |
045dee35 | 11399 | int header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); |
dbc4e1c1 | 11400 | |
06a2c219 GM |
11401 | cursor_glyph = get_phys_cursor_glyph (w); |
11402 | if (cursor_glyph == NULL) | |
11403 | goto mark_cursor_off; | |
dbc4e1c1 | 11404 | |
e0300d33 | 11405 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); |
06a2c219 | 11406 | |
c5e6e06b GM |
11407 | x_clear_area (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
11408 | x, | |
11409 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, | |
11410 | cursor_row->y)), | |
11411 | cursor_glyph->pixel_width, | |
11412 | cursor_row->visible_height, | |
11413 | False); | |
dbc4e1c1 | 11414 | } |
06a2c219 GM |
11415 | |
11416 | /* Erase the cursor by redrawing the character underneath it. */ | |
11417 | if (mouse_face_here_p) | |
11418 | hl = DRAW_MOUSE_FACE; | |
06a2c219 GM |
11419 | else |
11420 | hl = DRAW_NORMAL_TEXT; | |
11421 | x_draw_phys_cursor_glyph (w, cursor_row, hl); | |
dbc4e1c1 | 11422 | |
06a2c219 GM |
11423 | mark_cursor_off: |
11424 | w->phys_cursor_on_p = 0; | |
11425 | w->phys_cursor_type = NO_CURSOR; | |
dbc4e1c1 JB |
11426 | } |
11427 | ||
11428 | ||
b7f83f9e GM |
11429 | /* Non-zero if physical cursor of window W is within mouse face. */ |
11430 | ||
11431 | static int | |
11432 | cursor_in_mouse_face_p (w) | |
11433 | struct window *w; | |
11434 | { | |
11435 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (XFRAME (w->frame)); | |
11436 | int in_mouse_face = 0; | |
11437 | ||
11438 | if (WINDOWP (dpyinfo->mouse_face_window) | |
11439 | && XWINDOW (dpyinfo->mouse_face_window) == w) | |
11440 | { | |
11441 | int hpos = w->phys_cursor.hpos; | |
11442 | int vpos = w->phys_cursor.vpos; | |
11443 | ||
11444 | if (vpos >= dpyinfo->mouse_face_beg_row | |
11445 | && vpos <= dpyinfo->mouse_face_end_row | |
11446 | && (vpos > dpyinfo->mouse_face_beg_row | |
11447 | || hpos >= dpyinfo->mouse_face_beg_col) | |
11448 | && (vpos < dpyinfo->mouse_face_end_row | |
11449 | || hpos < dpyinfo->mouse_face_end_col | |
11450 | || dpyinfo->mouse_face_past_end)) | |
11451 | in_mouse_face = 1; | |
11452 | } | |
11453 | ||
11454 | return in_mouse_face; | |
11455 | } | |
11456 | ||
11457 | ||
06a2c219 GM |
11458 | /* Display or clear cursor of window W. If ON is zero, clear the |
11459 | cursor. If it is non-zero, display the cursor. If ON is nonzero, | |
11460 | where to put the cursor is specified by HPOS, VPOS, X and Y. */ | |
dbc4e1c1 | 11461 | |
06a2c219 GM |
11462 | void |
11463 | x_display_and_set_cursor (w, on, hpos, vpos, x, y) | |
11464 | struct window *w; | |
11465 | int on, hpos, vpos, x, y; | |
dbc4e1c1 | 11466 | { |
06a2c219 GM |
11467 | struct frame *f = XFRAME (w->frame); |
11468 | int new_cursor_type; | |
f02d8aa0 | 11469 | int new_cursor_width; |
06a2c219 GM |
11470 | struct glyph_matrix *current_glyphs; |
11471 | struct glyph_row *glyph_row; | |
11472 | struct glyph *glyph; | |
34368a22 | 11473 | int cursor_non_selected; |
dbc4e1c1 | 11474 | |
49d838ea | 11475 | /* This is pointless on invisible frames, and dangerous on garbaged |
06a2c219 GM |
11476 | windows and frames; in the latter case, the frame or window may |
11477 | be in the midst of changing its size, and x and y may be off the | |
11478 | window. */ | |
11479 | if (! FRAME_VISIBLE_P (f) | |
11480 | || FRAME_GARBAGED_P (f) | |
11481 | || vpos >= w->current_matrix->nrows | |
11482 | || hpos >= w->current_matrix->matrix_w) | |
dc6f92b8 JB |
11483 | return; |
11484 | ||
11485 | /* If cursor is off and we want it off, return quickly. */ | |
06a2c219 | 11486 | if (!on && !w->phys_cursor_on_p) |
dc6f92b8 JB |
11487 | return; |
11488 | ||
06a2c219 GM |
11489 | current_glyphs = w->current_matrix; |
11490 | glyph_row = MATRIX_ROW (current_glyphs, vpos); | |
11491 | glyph = glyph_row->glyphs[TEXT_AREA] + hpos; | |
11492 | ||
11493 | /* If cursor row is not enabled, we don't really know where to | |
11494 | display the cursor. */ | |
11495 | if (!glyph_row->enabled_p) | |
11496 | { | |
11497 | w->phys_cursor_on_p = 0; | |
11498 | return; | |
11499 | } | |
11500 | ||
11501 | xassert (interrupt_input_blocked); | |
11502 | ||
11503 | /* Set new_cursor_type to the cursor we want to be displayed. In a | |
11504 | mini-buffer window, we want the cursor only to appear if we are | |
11505 | reading input from this window. For the selected window, we want | |
11506 | the cursor type given by the frame parameter. If explicitly | |
11507 | marked off, draw no cursor. In all other cases, we want a hollow | |
11508 | box cursor. */ | |
34368a22 RS |
11509 | cursor_non_selected |
11510 | = !NILP (Fbuffer_local_value (Qcursor_in_non_selected_windows, | |
11511 | w->buffer)); | |
f02d8aa0 | 11512 | new_cursor_width = -1; |
9b4a7047 GM |
11513 | if (cursor_in_echo_area |
11514 | && FRAME_HAS_MINIBUF_P (f) | |
11515 | && EQ (FRAME_MINIBUF_WINDOW (f), echo_area_window)) | |
06a2c219 | 11516 | { |
9b4a7047 GM |
11517 | if (w == XWINDOW (echo_area_window)) |
11518 | new_cursor_type = FRAME_DESIRED_CURSOR (f); | |
34368a22 | 11519 | else if (cursor_non_selected) |
06a2c219 | 11520 | new_cursor_type = HOLLOW_BOX_CURSOR; |
9a7bdceb GM |
11521 | else |
11522 | new_cursor_type = NO_CURSOR; | |
06a2c219 | 11523 | } |
06a2c219 | 11524 | else |
9b4a7047 | 11525 | { |
7a58ab59 GM |
11526 | if (f != FRAME_X_DISPLAY_INFO (f)->x_highlight_frame |
11527 | || w != XWINDOW (f->selected_window)) | |
9b4a7047 | 11528 | { |
2c850e26 | 11529 | if ((MINI_WINDOW_P (w) && minibuf_level == 0) |
34368a22 | 11530 | || !cursor_non_selected |
5cefa566 | 11531 | || NILP (XBUFFER (w->buffer)->cursor_type)) |
9b4a7047 GM |
11532 | new_cursor_type = NO_CURSOR; |
11533 | else | |
11534 | new_cursor_type = HOLLOW_BOX_CURSOR; | |
11535 | } | |
11536 | else if (w->cursor_off_p) | |
11537 | new_cursor_type = NO_CURSOR; | |
11538 | else | |
f02d8aa0 GM |
11539 | { |
11540 | struct buffer *b = XBUFFER (w->buffer); | |
11541 | ||
11542 | if (EQ (b->cursor_type, Qt)) | |
11543 | new_cursor_type = FRAME_DESIRED_CURSOR (f); | |
11544 | else | |
11545 | new_cursor_type = x_specified_cursor_type (b->cursor_type, | |
11546 | &new_cursor_width); | |
11547 | } | |
9b4a7047 | 11548 | } |
06a2c219 GM |
11549 | |
11550 | /* If cursor is currently being shown and we don't want it to be or | |
11551 | it is in the wrong place, or the cursor type is not what we want, | |
dc6f92b8 | 11552 | erase it. */ |
06a2c219 | 11553 | if (w->phys_cursor_on_p |
dc6f92b8 | 11554 | && (!on |
06a2c219 GM |
11555 | || w->phys_cursor.x != x |
11556 | || w->phys_cursor.y != y | |
11557 | || new_cursor_type != w->phys_cursor_type)) | |
11558 | x_erase_phys_cursor (w); | |
11559 | ||
11560 | /* If the cursor is now invisible and we want it to be visible, | |
11561 | display it. */ | |
11562 | if (on && !w->phys_cursor_on_p) | |
11563 | { | |
11564 | w->phys_cursor_ascent = glyph_row->ascent; | |
11565 | w->phys_cursor_height = glyph_row->height; | |
11566 | ||
11567 | /* Set phys_cursor_.* before x_draw_.* is called because some | |
11568 | of them may need the information. */ | |
11569 | w->phys_cursor.x = x; | |
11570 | w->phys_cursor.y = glyph_row->y; | |
11571 | w->phys_cursor.hpos = hpos; | |
11572 | w->phys_cursor.vpos = vpos; | |
11573 | w->phys_cursor_type = new_cursor_type; | |
11574 | w->phys_cursor_on_p = 1; | |
11575 | ||
11576 | switch (new_cursor_type) | |
dc6f92b8 | 11577 | { |
06a2c219 GM |
11578 | case HOLLOW_BOX_CURSOR: |
11579 | x_draw_hollow_cursor (w, glyph_row); | |
11580 | break; | |
11581 | ||
11582 | case FILLED_BOX_CURSOR: | |
11583 | x_draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR); | |
11584 | break; | |
11585 | ||
11586 | case BAR_CURSOR: | |
f02d8aa0 | 11587 | x_draw_bar_cursor (w, glyph_row, new_cursor_width); |
06a2c219 GM |
11588 | break; |
11589 | ||
11590 | case NO_CURSOR: | |
11591 | break; | |
dc6f92b8 | 11592 | |
06a2c219 GM |
11593 | default: |
11594 | abort (); | |
11595 | } | |
59ddecde GM |
11596 | |
11597 | #ifdef HAVE_X_I18N | |
11598 | if (w == XWINDOW (f->selected_window)) | |
11599 | if (FRAME_XIC (f) && (FRAME_XIC_STYLE (f) & XIMPreeditPosition)) | |
11600 | xic_set_preeditarea (w, x, y); | |
11601 | #endif | |
dc6f92b8 JB |
11602 | } |
11603 | ||
06a2c219 | 11604 | #ifndef XFlush |
f676886a | 11605 | if (updating_frame != f) |
334208b7 | 11606 | XFlush (FRAME_X_DISPLAY (f)); |
06a2c219 | 11607 | #endif |
dc6f92b8 JB |
11608 | } |
11609 | ||
06a2c219 GM |
11610 | |
11611 | /* Display the cursor on window W, or clear it. X and Y are window | |
11612 | relative pixel coordinates. HPOS and VPOS are glyph matrix | |
11613 | positions. If W is not the selected window, display a hollow | |
11614 | cursor. ON non-zero means display the cursor at X, Y which | |
11615 | correspond to HPOS, VPOS, otherwise it is cleared. */ | |
5d46f928 | 11616 | |
dfcf069d | 11617 | void |
06a2c219 GM |
11618 | x_display_cursor (w, on, hpos, vpos, x, y) |
11619 | struct window *w; | |
11620 | int on, hpos, vpos, x, y; | |
dc6f92b8 | 11621 | { |
f94397b5 | 11622 | BLOCK_INPUT; |
06a2c219 | 11623 | x_display_and_set_cursor (w, on, hpos, vpos, x, y); |
5d46f928 RS |
11624 | UNBLOCK_INPUT; |
11625 | } | |
11626 | ||
06a2c219 GM |
11627 | |
11628 | /* Display the cursor on window W, or clear it, according to ON_P. | |
5d46f928 RS |
11629 | Don't change the cursor's position. */ |
11630 | ||
dfcf069d | 11631 | void |
06a2c219 | 11632 | x_update_cursor (f, on_p) |
5d46f928 | 11633 | struct frame *f; |
5d46f928 | 11634 | { |
06a2c219 GM |
11635 | x_update_cursor_in_window_tree (XWINDOW (f->root_window), on_p); |
11636 | } | |
11637 | ||
11638 | ||
11639 | /* Call x_update_window_cursor with parameter ON_P on all leaf windows | |
11640 | in the window tree rooted at W. */ | |
11641 | ||
11642 | static void | |
11643 | x_update_cursor_in_window_tree (w, on_p) | |
11644 | struct window *w; | |
11645 | int on_p; | |
11646 | { | |
11647 | while (w) | |
11648 | { | |
11649 | if (!NILP (w->hchild)) | |
11650 | x_update_cursor_in_window_tree (XWINDOW (w->hchild), on_p); | |
11651 | else if (!NILP (w->vchild)) | |
11652 | x_update_cursor_in_window_tree (XWINDOW (w->vchild), on_p); | |
11653 | else | |
11654 | x_update_window_cursor (w, on_p); | |
11655 | ||
11656 | w = NILP (w->next) ? 0 : XWINDOW (w->next); | |
11657 | } | |
11658 | } | |
5d46f928 | 11659 | |
f94397b5 | 11660 | |
06a2c219 GM |
11661 | /* Switch the display of W's cursor on or off, according to the value |
11662 | of ON. */ | |
11663 | ||
11664 | static void | |
11665 | x_update_window_cursor (w, on) | |
11666 | struct window *w; | |
11667 | int on; | |
11668 | { | |
16b5d424 GM |
11669 | /* Don't update cursor in windows whose frame is in the process |
11670 | of being deleted. */ | |
11671 | if (w->current_matrix) | |
11672 | { | |
11673 | BLOCK_INPUT; | |
11674 | x_display_and_set_cursor (w, on, w->phys_cursor.hpos, w->phys_cursor.vpos, | |
11675 | w->phys_cursor.x, w->phys_cursor.y); | |
11676 | UNBLOCK_INPUT; | |
11677 | } | |
dc6f92b8 | 11678 | } |
06a2c219 GM |
11679 | |
11680 | ||
11681 | ||
dc6f92b8 JB |
11682 | \f |
11683 | /* Icons. */ | |
11684 | ||
dbc4e1c1 | 11685 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
11686 | |
11687 | int | |
990ba854 | 11688 | x_bitmap_icon (f, file) |
f676886a | 11689 | struct frame *f; |
990ba854 | 11690 | Lisp_Object file; |
dc6f92b8 | 11691 | { |
06a2c219 | 11692 | int bitmap_id; |
dc6f92b8 | 11693 | |
c118dd06 | 11694 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
11695 | return 1; |
11696 | ||
990ba854 | 11697 | /* Free up our existing icon bitmap if any. */ |
7556890b RS |
11698 | if (f->output_data.x->icon_bitmap > 0) |
11699 | x_destroy_bitmap (f, f->output_data.x->icon_bitmap); | |
11700 | f->output_data.x->icon_bitmap = 0; | |
990ba854 RS |
11701 | |
11702 | if (STRINGP (file)) | |
7f2ae036 RS |
11703 | bitmap_id = x_create_bitmap_from_file (f, file); |
11704 | else | |
11705 | { | |
990ba854 | 11706 | /* Create the GNU bitmap if necessary. */ |
5bf01b68 | 11707 | if (FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id < 0) |
334208b7 RS |
11708 | FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id |
11709 | = x_create_bitmap_from_data (f, gnu_bits, | |
11710 | gnu_width, gnu_height); | |
990ba854 RS |
11711 | |
11712 | /* The first time we create the GNU bitmap, | |
06a2c219 | 11713 | this increments the ref-count one extra time. |
990ba854 RS |
11714 | As a result, the GNU bitmap is never freed. |
11715 | That way, we don't have to worry about allocating it again. */ | |
334208b7 | 11716 | x_reference_bitmap (f, FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id); |
990ba854 | 11717 | |
334208b7 | 11718 | bitmap_id = FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id; |
7f2ae036 RS |
11719 | } |
11720 | ||
11721 | x_wm_set_icon_pixmap (f, bitmap_id); | |
7556890b | 11722 | f->output_data.x->icon_bitmap = bitmap_id; |
dc6f92b8 JB |
11723 | |
11724 | return 0; | |
11725 | } | |
11726 | ||
11727 | ||
1be2d067 KH |
11728 | /* Make the x-window of frame F use a rectangle with text. |
11729 | Use ICON_NAME as the text. */ | |
dc6f92b8 JB |
11730 | |
11731 | int | |
f676886a JB |
11732 | x_text_icon (f, icon_name) |
11733 | struct frame *f; | |
dc6f92b8 JB |
11734 | char *icon_name; |
11735 | { | |
c118dd06 | 11736 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
11737 | return 1; |
11738 | ||
1be2d067 KH |
11739 | #ifdef HAVE_X11R4 |
11740 | { | |
11741 | XTextProperty text; | |
11742 | text.value = (unsigned char *) icon_name; | |
11743 | text.encoding = XA_STRING; | |
11744 | text.format = 8; | |
11745 | text.nitems = strlen (icon_name); | |
11746 | #ifdef USE_X_TOOLKIT | |
7556890b | 11747 | XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
1be2d067 KH |
11748 | &text); |
11749 | #else /* not USE_X_TOOLKIT */ | |
11750 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text); | |
11751 | #endif /* not USE_X_TOOLKIT */ | |
11752 | } | |
11753 | #else /* not HAVE_X11R4 */ | |
11754 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), icon_name); | |
11755 | #endif /* not HAVE_X11R4 */ | |
58769bee | 11756 | |
7556890b RS |
11757 | if (f->output_data.x->icon_bitmap > 0) |
11758 | x_destroy_bitmap (f, f->output_data.x->icon_bitmap); | |
11759 | f->output_data.x->icon_bitmap = 0; | |
b1c884c3 | 11760 | x_wm_set_icon_pixmap (f, 0); |
dc6f92b8 JB |
11761 | |
11762 | return 0; | |
11763 | } | |
11764 | \f | |
e99db5a1 RS |
11765 | #define X_ERROR_MESSAGE_SIZE 200 |
11766 | ||
11767 | /* If non-nil, this should be a string. | |
11768 | It means catch X errors and store the error message in this string. */ | |
11769 | ||
11770 | static Lisp_Object x_error_message_string; | |
11771 | ||
11772 | /* An X error handler which stores the error message in | |
11773 | x_error_message_string. This is called from x_error_handler if | |
11774 | x_catch_errors is in effect. */ | |
11775 | ||
06a2c219 | 11776 | static void |
e99db5a1 RS |
11777 | x_error_catcher (display, error) |
11778 | Display *display; | |
11779 | XErrorEvent *error; | |
11780 | { | |
11781 | XGetErrorText (display, error->error_code, | |
11782 | XSTRING (x_error_message_string)->data, | |
11783 | X_ERROR_MESSAGE_SIZE); | |
11784 | } | |
11785 | ||
11786 | /* Begin trapping X errors for display DPY. Actually we trap X errors | |
11787 | for all displays, but DPY should be the display you are actually | |
11788 | operating on. | |
11789 | ||
11790 | After calling this function, X protocol errors no longer cause | |
11791 | Emacs to exit; instead, they are recorded in the string | |
11792 | stored in x_error_message_string. | |
11793 | ||
11794 | Calling x_check_errors signals an Emacs error if an X error has | |
11795 | occurred since the last call to x_catch_errors or x_check_errors. | |
11796 | ||
11797 | Calling x_uncatch_errors resumes the normal error handling. */ | |
11798 | ||
11799 | void x_check_errors (); | |
11800 | static Lisp_Object x_catch_errors_unwind (); | |
11801 | ||
11802 | int | |
11803 | x_catch_errors (dpy) | |
11804 | Display *dpy; | |
11805 | { | |
11806 | int count = specpdl_ptr - specpdl; | |
11807 | ||
11808 | /* Make sure any errors from previous requests have been dealt with. */ | |
11809 | XSync (dpy, False); | |
11810 | ||
11811 | record_unwind_protect (x_catch_errors_unwind, x_error_message_string); | |
11812 | ||
11813 | x_error_message_string = make_uninit_string (X_ERROR_MESSAGE_SIZE); | |
11814 | XSTRING (x_error_message_string)->data[0] = 0; | |
11815 | ||
11816 | return count; | |
11817 | } | |
11818 | ||
11819 | /* Unbind the binding that we made to check for X errors. */ | |
11820 | ||
11821 | static Lisp_Object | |
11822 | x_catch_errors_unwind (old_val) | |
11823 | Lisp_Object old_val; | |
11824 | { | |
11825 | x_error_message_string = old_val; | |
11826 | return Qnil; | |
11827 | } | |
11828 | ||
11829 | /* If any X protocol errors have arrived since the last call to | |
11830 | x_catch_errors or x_check_errors, signal an Emacs error using | |
11831 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
11832 | ||
11833 | void | |
11834 | x_check_errors (dpy, format) | |
11835 | Display *dpy; | |
11836 | char *format; | |
11837 | { | |
11838 | /* Make sure to catch any errors incurred so far. */ | |
11839 | XSync (dpy, False); | |
11840 | ||
11841 | if (XSTRING (x_error_message_string)->data[0]) | |
11842 | error (format, XSTRING (x_error_message_string)->data); | |
11843 | } | |
11844 | ||
9829ddba RS |
11845 | /* Nonzero if we had any X protocol errors |
11846 | since we did x_catch_errors on DPY. */ | |
e99db5a1 RS |
11847 | |
11848 | int | |
11849 | x_had_errors_p (dpy) | |
11850 | Display *dpy; | |
11851 | { | |
11852 | /* Make sure to catch any errors incurred so far. */ | |
11853 | XSync (dpy, False); | |
11854 | ||
11855 | return XSTRING (x_error_message_string)->data[0] != 0; | |
11856 | } | |
11857 | ||
9829ddba RS |
11858 | /* Forget about any errors we have had, since we did x_catch_errors on DPY. */ |
11859 | ||
06a2c219 | 11860 | void |
9829ddba RS |
11861 | x_clear_errors (dpy) |
11862 | Display *dpy; | |
11863 | { | |
11864 | XSTRING (x_error_message_string)->data[0] = 0; | |
11865 | } | |
11866 | ||
e99db5a1 RS |
11867 | /* Stop catching X protocol errors and let them make Emacs die. |
11868 | DPY should be the display that was passed to x_catch_errors. | |
11869 | COUNT should be the value that was returned by | |
11870 | the corresponding call to x_catch_errors. */ | |
11871 | ||
11872 | void | |
11873 | x_uncatch_errors (dpy, count) | |
11874 | Display *dpy; | |
11875 | int count; | |
11876 | { | |
11877 | unbind_to (count, Qnil); | |
11878 | } | |
11879 | ||
11880 | #if 0 | |
11881 | static unsigned int x_wire_count; | |
11882 | x_trace_wire () | |
11883 | { | |
11884 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
11885 | } | |
11886 | #endif /* ! 0 */ | |
11887 | ||
11888 | \f | |
11889 | /* Handle SIGPIPE, which can happen when the connection to a server | |
11890 | simply goes away. SIGPIPE is handled by x_connection_signal. | |
11891 | Don't need to do anything, because the write which caused the | |
11892 | SIGPIPE will fail, causing Xlib to invoke the X IO error handler, | |
06a2c219 | 11893 | which will do the appropriate cleanup for us. */ |
e99db5a1 RS |
11894 | |
11895 | static SIGTYPE | |
11896 | x_connection_signal (signalnum) /* If we don't have an argument, */ | |
06a2c219 | 11897 | int signalnum; /* some compilers complain in signal calls. */ |
e99db5a1 RS |
11898 | { |
11899 | #ifdef USG | |
11900 | /* USG systems forget handlers when they are used; | |
11901 | must reestablish each time */ | |
11902 | signal (signalnum, x_connection_signal); | |
11903 | #endif /* USG */ | |
11904 | } | |
0da1ab50 | 11905 | |
e99db5a1 | 11906 | \f |
0da1ab50 GM |
11907 | /************************************************************************ |
11908 | Handling X errors | |
11909 | ************************************************************************/ | |
4746118a | 11910 | |
f0e299de GM |
11911 | /* Error message passed to x_connection_closed. */ |
11912 | ||
11913 | static char *error_msg; | |
11914 | ||
a7248e4f | 11915 | /* Function installed as fatal_error_signal_hook in |
f0e299de GM |
11916 | x_connection_closed. Print the X error message, and exit normally, |
11917 | instead of dumping core when XtCloseDisplay fails. */ | |
11918 | ||
11919 | static void | |
11920 | x_fatal_error_signal () | |
11921 | { | |
11922 | fprintf (stderr, "%s\n", error_msg); | |
11923 | exit (70); | |
11924 | } | |
11925 | ||
0da1ab50 GM |
11926 | /* Handle the loss of connection to display DPY. ERROR_MESSAGE is |
11927 | the text of an error message that lead to the connection loss. */ | |
16bd92ea | 11928 | |
4746118a | 11929 | static SIGTYPE |
5978125e GM |
11930 | x_connection_closed (dpy, error_message) |
11931 | Display *dpy; | |
7a13e894 | 11932 | char *error_message; |
4746118a | 11933 | { |
5978125e | 11934 | struct x_display_info *dpyinfo = x_display_info_for_display (dpy); |
7a13e894 | 11935 | Lisp_Object frame, tail; |
0da1ab50 | 11936 | int count; |
0da1ab50 | 11937 | |
f0e299de GM |
11938 | error_msg = (char *) alloca (strlen (error_message) + 1); |
11939 | strcpy (error_msg, error_message); | |
1a532e54 GM |
11940 | handling_signal = 0; |
11941 | ||
0da1ab50 GM |
11942 | /* Prevent being called recursively because of an error condition |
11943 | below. Otherwise, we might end up with printing ``can't find per | |
11944 | display information'' in the recursive call instead of printing | |
11945 | the original message here. */ | |
11946 | count = x_catch_errors (dpy); | |
11947 | ||
8a4f36cc GM |
11948 | /* We have to close the display to inform Xt that it doesn't |
11949 | exist anymore. If we don't, Xt will continue to wait for | |
11950 | events from the display. As a consequence, a sequence of | |
11951 | ||
11952 | M-x make-frame-on-display RET :1 RET | |
11953 | ...kill the new frame, so that we get an IO error... | |
11954 | M-x make-frame-on-display RET :1 RET | |
11955 | ||
11956 | will indefinitely wait in Xt for events for display `:1', opened | |
11957 | in the first class to make-frame-on-display. | |
6186a4a0 | 11958 | |
8a4f36cc GM |
11959 | Closing the display is reported to lead to a bus error on |
11960 | OpenWindows in certain situations. I suspect that is a bug | |
11961 | in OpenWindows. I don't know how to cicumvent it here. */ | |
11962 | ||
f613a4c8 | 11963 | #ifdef USE_X_TOOLKIT |
ae24cb3b GM |
11964 | /* If DPYINFO is null, this means we didn't open the display |
11965 | in the first place, so don't try to close it. */ | |
11966 | if (dpyinfo) | |
f0e299de GM |
11967 | { |
11968 | extern void (*fatal_error_signal_hook) P_ ((void)); | |
11969 | fatal_error_signal_hook = x_fatal_error_signal; | |
11970 | XtCloseDisplay (dpy); | |
11971 | fatal_error_signal_hook = NULL; | |
11972 | } | |
f613a4c8 | 11973 | #endif |
adabc3a9 | 11974 | |
8a4f36cc | 11975 | /* Indicate that this display is dead. */ |
9e80b57d KR |
11976 | if (dpyinfo) |
11977 | dpyinfo->display = 0; | |
6186a4a0 | 11978 | |
06a2c219 | 11979 | /* First delete frames whose mini-buffers are on frames |
7a13e894 RS |
11980 | that are on the dead display. */ |
11981 | FOR_EACH_FRAME (tail, frame) | |
11982 | { | |
11983 | Lisp_Object minibuf_frame; | |
11984 | minibuf_frame | |
11985 | = WINDOW_FRAME (XWINDOW (FRAME_MINIBUF_WINDOW (XFRAME (frame)))); | |
f48f33ca RS |
11986 | if (FRAME_X_P (XFRAME (frame)) |
11987 | && FRAME_X_P (XFRAME (minibuf_frame)) | |
11988 | && ! EQ (frame, minibuf_frame) | |
11989 | && FRAME_X_DISPLAY_INFO (XFRAME (minibuf_frame)) == dpyinfo) | |
7a13e894 RS |
11990 | Fdelete_frame (frame, Qt); |
11991 | } | |
11992 | ||
11993 | /* Now delete all remaining frames on the dead display. | |
06a2c219 | 11994 | We are now sure none of these is used as the mini-buffer |
7a13e894 RS |
11995 | for another frame that we need to delete. */ |
11996 | FOR_EACH_FRAME (tail, frame) | |
f48f33ca RS |
11997 | if (FRAME_X_P (XFRAME (frame)) |
11998 | && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
07a7096a KH |
11999 | { |
12000 | /* Set this to t so that Fdelete_frame won't get confused | |
12001 | trying to find a replacement. */ | |
12002 | FRAME_KBOARD (XFRAME (frame))->Vdefault_minibuffer_frame = Qt; | |
12003 | Fdelete_frame (frame, Qt); | |
12004 | } | |
7a13e894 | 12005 | |
482a1bd2 KH |
12006 | if (dpyinfo) |
12007 | x_delete_display (dpyinfo); | |
7a13e894 | 12008 | |
0da1ab50 GM |
12009 | x_uncatch_errors (dpy, count); |
12010 | ||
7a13e894 RS |
12011 | if (x_display_list == 0) |
12012 | { | |
f0e299de | 12013 | fprintf (stderr, "%s\n", error_msg); |
7a13e894 RS |
12014 | shut_down_emacs (0, 0, Qnil); |
12015 | exit (70); | |
12016 | } | |
12ba150f | 12017 | |
7a13e894 RS |
12018 | /* Ordinary stack unwind doesn't deal with these. */ |
12019 | #ifdef SIGIO | |
12020 | sigunblock (sigmask (SIGIO)); | |
12021 | #endif | |
12022 | sigunblock (sigmask (SIGALRM)); | |
12023 | TOTALLY_UNBLOCK_INPUT; | |
12024 | ||
aa4d9a9e | 12025 | clear_waiting_for_input (); |
f0e299de | 12026 | error ("%s", error_msg); |
4746118a JB |
12027 | } |
12028 | ||
0da1ab50 | 12029 | |
7a13e894 RS |
12030 | /* This is the usual handler for X protocol errors. |
12031 | It kills all frames on the display that we got the error for. | |
12032 | If that was the only one, it prints an error message and kills Emacs. */ | |
12033 | ||
06a2c219 | 12034 | static void |
c118dd06 JB |
12035 | x_error_quitter (display, error) |
12036 | Display *display; | |
12037 | XErrorEvent *error; | |
12038 | { | |
7a13e894 | 12039 | char buf[256], buf1[356]; |
dc6f92b8 | 12040 | |
58769bee | 12041 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 12042 | original error handler. */ |
dc6f92b8 | 12043 | |
c118dd06 | 12044 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
0a0fdc70 | 12045 | sprintf (buf1, "X protocol error: %s on protocol request %d", |
c118dd06 | 12046 | buf, error->request_code); |
7a13e894 | 12047 | x_connection_closed (display, buf1); |
dc6f92b8 JB |
12048 | } |
12049 | ||
0da1ab50 | 12050 | |
e99db5a1 RS |
12051 | /* This is the first-level handler for X protocol errors. |
12052 | It calls x_error_quitter or x_error_catcher. */ | |
7a13e894 | 12053 | |
8922af5f | 12054 | static int |
e99db5a1 | 12055 | x_error_handler (display, error) |
8922af5f | 12056 | Display *display; |
e99db5a1 | 12057 | XErrorEvent *error; |
8922af5f | 12058 | { |
e99db5a1 RS |
12059 | if (! NILP (x_error_message_string)) |
12060 | x_error_catcher (display, error); | |
12061 | else | |
12062 | x_error_quitter (display, error); | |
06a2c219 | 12063 | return 0; |
f9e24cb9 | 12064 | } |
c118dd06 | 12065 | |
e99db5a1 RS |
12066 | /* This is the handler for X IO errors, always. |
12067 | It kills all frames on the display that we lost touch with. | |
12068 | If that was the only one, it prints an error message and kills Emacs. */ | |
7a13e894 | 12069 | |
c118dd06 | 12070 | static int |
e99db5a1 | 12071 | x_io_error_quitter (display) |
c118dd06 | 12072 | Display *display; |
c118dd06 | 12073 | { |
e99db5a1 | 12074 | char buf[256]; |
dc6f92b8 | 12075 | |
e99db5a1 RS |
12076 | sprintf (buf, "Connection lost to X server `%s'", DisplayString (display)); |
12077 | x_connection_closed (display, buf); | |
06a2c219 | 12078 | return 0; |
dc6f92b8 | 12079 | } |
dc6f92b8 | 12080 | \f |
f451eb13 JB |
12081 | /* Changing the font of the frame. */ |
12082 | ||
76bcdf39 RS |
12083 | /* Give frame F the font named FONTNAME as its default font, and |
12084 | return the full name of that font. FONTNAME may be a wildcard | |
12085 | pattern; in that case, we choose some font that fits the pattern. | |
12086 | The return value shows which font we chose. */ | |
12087 | ||
b5cf7a0e | 12088 | Lisp_Object |
f676886a JB |
12089 | x_new_font (f, fontname) |
12090 | struct frame *f; | |
dc6f92b8 JB |
12091 | register char *fontname; |
12092 | { | |
dc43ef94 | 12093 | struct font_info *fontp |
ee569018 | 12094 | = FS_LOAD_FONT (f, 0, fontname, -1); |
dc6f92b8 | 12095 | |
dc43ef94 KH |
12096 | if (!fontp) |
12097 | return Qnil; | |
2224a5fc | 12098 | |
dc43ef94 | 12099 | f->output_data.x->font = (XFontStruct *) (fontp->font); |
b4192550 | 12100 | f->output_data.x->baseline_offset = fontp->baseline_offset; |
dc43ef94 KH |
12101 | f->output_data.x->fontset = -1; |
12102 | ||
b2cad826 KH |
12103 | /* Compute the scroll bar width in character columns. */ |
12104 | if (f->scroll_bar_pixel_width > 0) | |
12105 | { | |
7556890b | 12106 | int wid = FONT_WIDTH (f->output_data.x->font); |
b2cad826 KH |
12107 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; |
12108 | } | |
12109 | else | |
4e61bddf RS |
12110 | { |
12111 | int wid = FONT_WIDTH (f->output_data.x->font); | |
12112 | f->scroll_bar_cols = (14 + wid - 1) / wid; | |
12113 | } | |
b2cad826 | 12114 | |
f676886a | 12115 | /* Now make the frame display the given font. */ |
c118dd06 | 12116 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 12117 | { |
7556890b RS |
12118 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->normal_gc, |
12119 | f->output_data.x->font->fid); | |
12120 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->reverse_gc, | |
12121 | f->output_data.x->font->fid); | |
12122 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->cursor_gc, | |
12123 | f->output_data.x->font->fid); | |
f676886a | 12124 | |
a27f9f86 | 12125 | frame_update_line_height (f); |
3497f73e GM |
12126 | |
12127 | /* Don't change the size of a tip frame; there's no point in | |
12128 | doing it because it's done in Fx_show_tip, and it leads to | |
12129 | problems because the tip frame has no widget. */ | |
12130 | if (NILP (tip_frame) || XFRAME (tip_frame) != f) | |
12131 | x_set_window_size (f, 0, f->width, f->height); | |
dc6f92b8 | 12132 | } |
a27f9f86 RS |
12133 | else |
12134 | /* If we are setting a new frame's font for the first time, | |
12135 | there are no faces yet, so this font's height is the line height. */ | |
7556890b | 12136 | f->output_data.x->line_height = FONT_HEIGHT (f->output_data.x->font); |
dc6f92b8 | 12137 | |
dc43ef94 KH |
12138 | return build_string (fontp->full_name); |
12139 | } | |
12140 | ||
12141 | /* Give frame F the fontset named FONTSETNAME as its default font, and | |
12142 | return the full name of that fontset. FONTSETNAME may be a wildcard | |
b5210ea7 KH |
12143 | pattern; in that case, we choose some fontset that fits the pattern. |
12144 | The return value shows which fontset we chose. */ | |
b5cf7a0e | 12145 | |
dc43ef94 KH |
12146 | Lisp_Object |
12147 | x_new_fontset (f, fontsetname) | |
12148 | struct frame *f; | |
12149 | char *fontsetname; | |
12150 | { | |
ee569018 | 12151 | int fontset = fs_query_fontset (build_string (fontsetname), 0); |
dc43ef94 | 12152 | Lisp_Object result; |
b5cf7a0e | 12153 | |
dc43ef94 KH |
12154 | if (fontset < 0) |
12155 | return Qnil; | |
b5cf7a0e | 12156 | |
2da424f1 KH |
12157 | if (f->output_data.x->fontset == fontset) |
12158 | /* This fontset is already set in frame F. There's nothing more | |
12159 | to do. */ | |
ee569018 | 12160 | return fontset_name (fontset); |
dc43ef94 | 12161 | |
ee569018 | 12162 | result = x_new_font (f, (XSTRING (fontset_ascii (fontset))->data)); |
dc43ef94 KH |
12163 | |
12164 | if (!STRINGP (result)) | |
12165 | /* Can't load ASCII font. */ | |
12166 | return Qnil; | |
12167 | ||
12168 | /* Since x_new_font doesn't update any fontset information, do it now. */ | |
12169 | f->output_data.x->fontset = fontset; | |
dc43ef94 | 12170 | |
f5d11644 GM |
12171 | #ifdef HAVE_X_I18N |
12172 | if (FRAME_XIC (f) | |
12173 | && (FRAME_XIC_STYLE (f) & (XIMPreeditPosition | XIMStatusArea))) | |
ee569018 | 12174 | xic_set_xfontset (f, XSTRING (fontset_ascii (fontset))->data); |
f5d11644 GM |
12175 | #endif |
12176 | ||
dc43ef94 | 12177 | return build_string (fontsetname); |
dc6f92b8 | 12178 | } |
f5d11644 GM |
12179 | |
12180 | \f | |
12181 | /*********************************************************************** | |
12182 | X Input Methods | |
12183 | ***********************************************************************/ | |
12184 | ||
12185 | #ifdef HAVE_X_I18N | |
12186 | ||
12187 | #ifdef HAVE_X11R6 | |
12188 | ||
12189 | /* XIM destroy callback function, which is called whenever the | |
12190 | connection to input method XIM dies. CLIENT_DATA contains a | |
12191 | pointer to the x_display_info structure corresponding to XIM. */ | |
12192 | ||
12193 | static void | |
12194 | xim_destroy_callback (xim, client_data, call_data) | |
12195 | XIM xim; | |
12196 | XPointer client_data; | |
12197 | XPointer call_data; | |
12198 | { | |
12199 | struct x_display_info *dpyinfo = (struct x_display_info *) client_data; | |
12200 | Lisp_Object frame, tail; | |
12201 | ||
12202 | BLOCK_INPUT; | |
12203 | ||
12204 | /* No need to call XDestroyIC.. */ | |
12205 | FOR_EACH_FRAME (tail, frame) | |
12206 | { | |
12207 | struct frame *f = XFRAME (frame); | |
12208 | if (FRAME_X_DISPLAY_INFO (f) == dpyinfo) | |
12209 | { | |
12210 | FRAME_XIC (f) = NULL; | |
12211 | if (FRAME_XIC_FONTSET (f)) | |
12212 | { | |
12213 | XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); | |
12214 | FRAME_XIC_FONTSET (f) = NULL; | |
12215 | } | |
12216 | } | |
12217 | } | |
12218 | ||
12219 | /* No need to call XCloseIM. */ | |
12220 | dpyinfo->xim = NULL; | |
12221 | XFree (dpyinfo->xim_styles); | |
12222 | UNBLOCK_INPUT; | |
12223 | } | |
12224 | ||
12225 | #endif /* HAVE_X11R6 */ | |
12226 | ||
12227 | /* Open the connection to the XIM server on display DPYINFO. | |
12228 | RESOURCE_NAME is the resource name Emacs uses. */ | |
12229 | ||
12230 | static void | |
12231 | xim_open_dpy (dpyinfo, resource_name) | |
12232 | struct x_display_info *dpyinfo; | |
12233 | char *resource_name; | |
12234 | { | |
287f7dd6 | 12235 | #ifdef USE_XIM |
f5d11644 GM |
12236 | XIM xim; |
12237 | ||
12238 | xim = XOpenIM (dpyinfo->display, dpyinfo->xrdb, resource_name, EMACS_CLASS); | |
12239 | dpyinfo->xim = xim; | |
12240 | ||
12241 | if (xim) | |
12242 | { | |
f5d11644 GM |
12243 | #ifdef HAVE_X11R6 |
12244 | XIMCallback destroy; | |
12245 | #endif | |
12246 | ||
12247 | /* Get supported styles and XIM values. */ | |
12248 | XGetIMValues (xim, XNQueryInputStyle, &dpyinfo->xim_styles, NULL); | |
12249 | ||
12250 | #ifdef HAVE_X11R6 | |
12251 | destroy.callback = xim_destroy_callback; | |
12252 | destroy.client_data = (XPointer)dpyinfo; | |
cea2ad76 | 12253 | /* This isn't prototyped in OSF 5.0. */ |
f5d11644 GM |
12254 | XSetIMValues (xim, XNDestroyCallback, &destroy, NULL); |
12255 | #endif | |
12256 | } | |
287f7dd6 GM |
12257 | |
12258 | #else /* not USE_XIM */ | |
12259 | dpyinfo->xim = NULL; | |
12260 | #endif /* not USE_XIM */ | |
f5d11644 GM |
12261 | } |
12262 | ||
12263 | ||
b9de836c | 12264 | #ifdef HAVE_X11R6_XIM |
f5d11644 GM |
12265 | |
12266 | struct xim_inst_t | |
12267 | { | |
12268 | struct x_display_info *dpyinfo; | |
12269 | char *resource_name; | |
12270 | }; | |
12271 | ||
12272 | /* XIM instantiate callback function, which is called whenever an XIM | |
12273 | server is available. DISPLAY is teh display of the XIM. | |
12274 | CLIENT_DATA contains a pointer to an xim_inst_t structure created | |
12275 | when the callback was registered. */ | |
12276 | ||
12277 | static void | |
12278 | xim_instantiate_callback (display, client_data, call_data) | |
12279 | Display *display; | |
12280 | XPointer client_data; | |
12281 | XPointer call_data; | |
12282 | { | |
12283 | struct xim_inst_t *xim_inst = (struct xim_inst_t *) client_data; | |
12284 | struct x_display_info *dpyinfo = xim_inst->dpyinfo; | |
12285 | ||
12286 | /* We don't support multiple XIM connections. */ | |
12287 | if (dpyinfo->xim) | |
12288 | return; | |
12289 | ||
12290 | xim_open_dpy (dpyinfo, xim_inst->resource_name); | |
12291 | ||
12292 | /* Create XIC for the existing frames on the same display, as long | |
12293 | as they have no XIC. */ | |
12294 | if (dpyinfo->xim && dpyinfo->reference_count > 0) | |
12295 | { | |
12296 | Lisp_Object tail, frame; | |
12297 | ||
12298 | BLOCK_INPUT; | |
12299 | FOR_EACH_FRAME (tail, frame) | |
12300 | { | |
12301 | struct frame *f = XFRAME (frame); | |
12302 | ||
12303 | if (FRAME_X_DISPLAY_INFO (f) == xim_inst->dpyinfo) | |
12304 | if (FRAME_XIC (f) == NULL) | |
12305 | { | |
12306 | create_frame_xic (f); | |
12307 | if (FRAME_XIC_STYLE (f) & XIMStatusArea) | |
12308 | xic_set_statusarea (f); | |
12309 | if (FRAME_XIC_STYLE (f) & XIMPreeditPosition) | |
12310 | { | |
12311 | struct window *w = XWINDOW (f->selected_window); | |
12312 | xic_set_preeditarea (w, w->cursor.x, w->cursor.y); | |
12313 | } | |
12314 | } | |
12315 | } | |
12316 | ||
12317 | UNBLOCK_INPUT; | |
12318 | } | |
12319 | } | |
12320 | ||
b9de836c | 12321 | #endif /* HAVE_X11R6_XIM */ |
f5d11644 GM |
12322 | |
12323 | ||
12324 | /* Open a connection to the XIM server on display DPYINFO. | |
12325 | RESOURCE_NAME is the resource name for Emacs. On X11R5, open the | |
12326 | connection only at the first time. On X11R6, open the connection | |
12327 | in the XIM instantiate callback function. */ | |
12328 | ||
12329 | static void | |
12330 | xim_initialize (dpyinfo, resource_name) | |
12331 | struct x_display_info *dpyinfo; | |
12332 | char *resource_name; | |
12333 | { | |
287f7dd6 | 12334 | #ifdef USE_XIM |
b9de836c | 12335 | #ifdef HAVE_X11R6_XIM |
f5d11644 GM |
12336 | struct xim_inst_t *xim_inst; |
12337 | int len; | |
12338 | ||
12339 | dpyinfo->xim = NULL; | |
12340 | xim_inst = (struct xim_inst_t *) xmalloc (sizeof (struct xim_inst_t)); | |
12341 | xim_inst->dpyinfo = dpyinfo; | |
12342 | len = strlen (resource_name); | |
12343 | xim_inst->resource_name = (char *) xmalloc (len + 1); | |
12344 | bcopy (resource_name, xim_inst->resource_name, len + 1); | |
12345 | XRegisterIMInstantiateCallback (dpyinfo->display, dpyinfo->xrdb, | |
12346 | resource_name, EMACS_CLASS, | |
12347 | xim_instantiate_callback, | |
2ebb2f8b DL |
12348 | /* Fixme: This is XPointer in |
12349 | XFree86 but (XPointer *) on | |
12350 | Tru64, at least. */ | |
12351 | (XPointer) xim_inst); | |
b9de836c | 12352 | #else /* not HAVE_X11R6_XIM */ |
f5d11644 GM |
12353 | dpyinfo->xim = NULL; |
12354 | xim_open_dpy (dpyinfo, resource_name); | |
b9de836c | 12355 | #endif /* not HAVE_X11R6_XIM */ |
287f7dd6 GM |
12356 | |
12357 | #else /* not USE_XIM */ | |
12358 | dpyinfo->xim = NULL; | |
12359 | #endif /* not USE_XIM */ | |
f5d11644 GM |
12360 | } |
12361 | ||
12362 | ||
12363 | /* Close the connection to the XIM server on display DPYINFO. */ | |
12364 | ||
12365 | static void | |
12366 | xim_close_dpy (dpyinfo) | |
12367 | struct x_display_info *dpyinfo; | |
12368 | { | |
287f7dd6 | 12369 | #ifdef USE_XIM |
b9de836c | 12370 | #ifdef HAVE_X11R6_XIM |
8a4f36cc GM |
12371 | if (dpyinfo->display) |
12372 | XUnregisterIMInstantiateCallback (dpyinfo->display, dpyinfo->xrdb, | |
12373 | NULL, EMACS_CLASS, | |
12374 | xim_instantiate_callback, NULL); | |
b9de836c | 12375 | #endif /* not HAVE_X11R6_XIM */ |
8a4f36cc GM |
12376 | if (dpyinfo->display) |
12377 | XCloseIM (dpyinfo->xim); | |
f5d11644 GM |
12378 | dpyinfo->xim = NULL; |
12379 | XFree (dpyinfo->xim_styles); | |
287f7dd6 | 12380 | #endif /* USE_XIM */ |
f5d11644 GM |
12381 | } |
12382 | ||
b9de836c | 12383 | #endif /* not HAVE_X11R6_XIM */ |
f5d11644 GM |
12384 | |
12385 | ||
dc6f92b8 | 12386 | \f |
2e365682 RS |
12387 | /* Calculate the absolute position in frame F |
12388 | from its current recorded position values and gravity. */ | |
12389 | ||
dfcf069d | 12390 | void |
43bca5d5 | 12391 | x_calc_absolute_position (f) |
f676886a | 12392 | struct frame *f; |
dc6f92b8 | 12393 | { |
06a2c219 | 12394 | Window child; |
6dba1858 | 12395 | int win_x = 0, win_y = 0; |
7556890b | 12396 | int flags = f->output_data.x->size_hint_flags; |
c81412a0 KH |
12397 | int this_window; |
12398 | ||
9829ddba RS |
12399 | /* We have nothing to do if the current position |
12400 | is already for the top-left corner. */ | |
12401 | if (! ((flags & XNegative) || (flags & YNegative))) | |
12402 | return; | |
12403 | ||
c81412a0 | 12404 | #ifdef USE_X_TOOLKIT |
7556890b | 12405 | this_window = XtWindow (f->output_data.x->widget); |
c81412a0 KH |
12406 | #else |
12407 | this_window = FRAME_X_WINDOW (f); | |
12408 | #endif | |
6dba1858 RS |
12409 | |
12410 | /* Find the position of the outside upper-left corner of | |
9829ddba RS |
12411 | the inner window, with respect to the outer window. |
12412 | But do this only if we will need the results. */ | |
7556890b | 12413 | if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
6dba1858 | 12414 | { |
9829ddba RS |
12415 | int count; |
12416 | ||
6dba1858 | 12417 | BLOCK_INPUT; |
9829ddba RS |
12418 | count = x_catch_errors (FRAME_X_DISPLAY (f)); |
12419 | while (1) | |
12420 | { | |
12421 | x_clear_errors (FRAME_X_DISPLAY (f)); | |
12422 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
12423 | ||
12424 | /* From-window, to-window. */ | |
12425 | this_window, | |
12426 | f->output_data.x->parent_desc, | |
12427 | ||
12428 | /* From-position, to-position. */ | |
12429 | 0, 0, &win_x, &win_y, | |
12430 | ||
12431 | /* Child of win. */ | |
12432 | &child); | |
12433 | if (x_had_errors_p (FRAME_X_DISPLAY (f))) | |
12434 | { | |
12435 | Window newroot, newparent = 0xdeadbeef; | |
12436 | Window *newchildren; | |
2ebb2f8b | 12437 | unsigned int nchildren; |
9829ddba RS |
12438 | |
12439 | if (! XQueryTree (FRAME_X_DISPLAY (f), this_window, &newroot, | |
12440 | &newparent, &newchildren, &nchildren)) | |
12441 | break; | |
58769bee | 12442 | |
7c3c78a3 | 12443 | XFree ((char *) newchildren); |
6dba1858 | 12444 | |
9829ddba RS |
12445 | f->output_data.x->parent_desc = newparent; |
12446 | } | |
12447 | else | |
12448 | break; | |
12449 | } | |
6dba1858 | 12450 | |
9829ddba | 12451 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); |
6dba1858 RS |
12452 | UNBLOCK_INPUT; |
12453 | } | |
12454 | ||
12455 | /* Treat negative positions as relative to the leftmost bottommost | |
12456 | position that fits on the screen. */ | |
20f55f9a | 12457 | if (flags & XNegative) |
7556890b | 12458 | f->output_data.x->left_pos = (FRAME_X_DISPLAY_INFO (f)->width |
2e365682 RS |
12459 | - 2 * f->output_data.x->border_width - win_x |
12460 | - PIXEL_WIDTH (f) | |
12461 | + f->output_data.x->left_pos); | |
dc6f92b8 | 12462 | |
7708ced0 GM |
12463 | { |
12464 | int height = PIXEL_HEIGHT (f); | |
06a2c219 | 12465 | |
7708ced0 GM |
12466 | #if defined USE_X_TOOLKIT && defined USE_MOTIF |
12467 | /* Something is fishy here. When using Motif, starting Emacs with | |
12468 | `-g -0-0', the frame appears too low by a few pixels. | |
12469 | ||
12470 | This seems to be so because initially, while Emacs is starting, | |
12471 | the column widget's height and the frame's pixel height are | |
12472 | different. The column widget's height is the right one. In | |
12473 | later invocations, when Emacs is up, the frame's pixel height | |
12474 | is right, though. | |
12475 | ||
12476 | It's not obvious where the initial small difference comes from. | |
12477 | 2000-12-01, gerd. */ | |
12478 | ||
12479 | XtVaGetValues (f->output_data.x->column_widget, XtNheight, &height, NULL); | |
06a2c219 | 12480 | #endif |
2e365682 | 12481 | |
7708ced0 GM |
12482 | if (flags & YNegative) |
12483 | f->output_data.x->top_pos = (FRAME_X_DISPLAY_INFO (f)->height | |
12484 | - 2 * f->output_data.x->border_width | |
12485 | - win_y | |
12486 | - height | |
12487 | + f->output_data.x->top_pos); | |
12488 | } | |
12489 | ||
3a35ab44 RS |
12490 | /* The left_pos and top_pos |
12491 | are now relative to the top and left screen edges, | |
12492 | so the flags should correspond. */ | |
7556890b | 12493 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); |
dc6f92b8 JB |
12494 | } |
12495 | ||
3a35ab44 RS |
12496 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
12497 | to really change the position, and 0 when calling from | |
12498 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
aa3ff7c9 KH |
12499 | position values). It is -1 when calling from x_set_frame_parameters, |
12500 | which means, do adjust for borders but don't change the gravity. */ | |
3a35ab44 | 12501 | |
dfcf069d | 12502 | void |
dc05a16b | 12503 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 12504 | struct frame *f; |
dc6f92b8 | 12505 | register int xoff, yoff; |
dc05a16b | 12506 | int change_gravity; |
dc6f92b8 | 12507 | { |
4a4cbdd5 KH |
12508 | int modified_top, modified_left; |
12509 | ||
aa3ff7c9 | 12510 | if (change_gravity > 0) |
3a35ab44 | 12511 | { |
7556890b RS |
12512 | f->output_data.x->top_pos = yoff; |
12513 | f->output_data.x->left_pos = xoff; | |
12514 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); | |
3a35ab44 | 12515 | if (xoff < 0) |
7556890b | 12516 | f->output_data.x->size_hint_flags |= XNegative; |
3a35ab44 | 12517 | if (yoff < 0) |
7556890b RS |
12518 | f->output_data.x->size_hint_flags |= YNegative; |
12519 | f->output_data.x->win_gravity = NorthWestGravity; | |
3a35ab44 | 12520 | } |
43bca5d5 | 12521 | x_calc_absolute_position (f); |
dc6f92b8 JB |
12522 | |
12523 | BLOCK_INPUT; | |
c32cdd9a | 12524 | x_wm_set_size_hint (f, (long) 0, 0); |
3a35ab44 | 12525 | |
7556890b RS |
12526 | modified_left = f->output_data.x->left_pos; |
12527 | modified_top = f->output_data.x->top_pos; | |
e73ec6fa RS |
12528 | #if 0 /* Running on psilocin (Debian), and displaying on the NCD X-terminal, |
12529 | this seems to be unnecessary and incorrect. rms, 4/17/97. */ | |
12530 | /* It is a mystery why we need to add the border_width here | |
12531 | when the frame is already visible, but experiment says we do. */ | |
aa3ff7c9 | 12532 | if (change_gravity != 0) |
4a4cbdd5 | 12533 | { |
7556890b RS |
12534 | modified_left += f->output_data.x->border_width; |
12535 | modified_top += f->output_data.x->border_width; | |
4a4cbdd5 | 12536 | } |
e73ec6fa | 12537 | #endif |
4a4cbdd5 | 12538 | |
3afe33e7 | 12539 | #ifdef USE_X_TOOLKIT |
7556890b | 12540 | XMoveWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
4a4cbdd5 | 12541 | modified_left, modified_top); |
3afe33e7 | 12542 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 12543 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
4a4cbdd5 | 12544 | modified_left, modified_top); |
3afe33e7 | 12545 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
12546 | UNBLOCK_INPUT; |
12547 | } | |
12548 | ||
dc6f92b8 | 12549 | |
499b1844 GM |
12550 | /* Change the size of frame F's X window to COLS/ROWS in the case F |
12551 | doesn't have a widget. If CHANGE_GRAVITY is 1, we change to | |
12552 | top-left-corner window gravity for this size change and subsequent | |
12553 | size changes. Otherwise we leave the window gravity unchanged. */ | |
12554 | ||
12555 | static void | |
12556 | x_set_window_size_1 (f, change_gravity, cols, rows) | |
f676886a | 12557 | struct frame *f; |
bc20ebbf | 12558 | int change_gravity; |
b1c884c3 | 12559 | int cols, rows; |
dc6f92b8 JB |
12560 | { |
12561 | int pixelwidth, pixelheight; | |
80fd1fe2 | 12562 | |
b1c884c3 | 12563 | check_frame_size (f, &rows, &cols); |
7556890b | 12564 | f->output_data.x->vertical_scroll_bar_extra |
b2cad826 KH |
12565 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
12566 | ? 0 | |
12567 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
480407eb | 12568 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
7556890b | 12569 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font))); |
3f332ef3 KS |
12570 | f->output_data.x->fringes_extra |
12571 | = FRAME_FRINGE_WIDTH (f); | |
f451eb13 JB |
12572 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
12573 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 | 12574 | |
7556890b | 12575 | f->output_data.x->win_gravity = NorthWestGravity; |
c32cdd9a | 12576 | x_wm_set_size_hint (f, (long) 0, 0); |
6ccf47d1 | 12577 | |
334208b7 RS |
12578 | XSync (FRAME_X_DISPLAY (f), False); |
12579 | XResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
12580 | pixelwidth, pixelheight); | |
b1c884c3 JB |
12581 | |
12582 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
12583 | but the window manager will get around to dealing with the size | |
12584 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
12585 | ConfigureNotify event gets here. |
12586 | ||
12587 | We could just not bother storing any of this information here, | |
12588 | and let the ConfigureNotify event set everything up, but that | |
fddd5ceb | 12589 | might be kind of confusing to the Lisp code, since size changes |
dbc4e1c1 | 12590 | wouldn't be reported in the frame parameters until some random |
fddd5ceb RS |
12591 | point in the future when the ConfigureNotify event arrives. |
12592 | ||
12593 | We pass 1 for DELAY since we can't run Lisp code inside of | |
12594 | a BLOCK_INPUT. */ | |
7d1e984f | 12595 | change_frame_size (f, rows, cols, 0, 1, 0); |
b1c884c3 JB |
12596 | PIXEL_WIDTH (f) = pixelwidth; |
12597 | PIXEL_HEIGHT (f) = pixelheight; | |
12598 | ||
aee9a898 RS |
12599 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
12600 | receive in the ConfigureNotify event; if we get what we asked | |
12601 | for, then the event won't cause the screen to become garbaged, so | |
12602 | we have to make sure to do it here. */ | |
12603 | SET_FRAME_GARBAGED (f); | |
12604 | ||
12605 | XFlush (FRAME_X_DISPLAY (f)); | |
499b1844 GM |
12606 | } |
12607 | ||
12608 | ||
12609 | /* Call this to change the size of frame F's x-window. | |
12610 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
12611 | for this size change and subsequent size changes. | |
12612 | Otherwise we leave the window gravity unchanged. */ | |
aee9a898 | 12613 | |
499b1844 GM |
12614 | void |
12615 | x_set_window_size (f, change_gravity, cols, rows) | |
12616 | struct frame *f; | |
12617 | int change_gravity; | |
12618 | int cols, rows; | |
12619 | { | |
12620 | BLOCK_INPUT; | |
12621 | ||
12622 | #ifdef USE_X_TOOLKIT | |
12623 | ||
f1f4d345 | 12624 | if (f->output_data.x->widget != NULL) |
499b1844 GM |
12625 | { |
12626 | /* The x and y position of the widget is clobbered by the | |
12627 | call to XtSetValues within EmacsFrameSetCharSize. | |
12628 | This is a real kludge, but I don't understand Xt so I can't | |
12629 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
12630 | int xpos = f->output_data.x->widget->core.x; | |
12631 | int ypos = f->output_data.x->widget->core.y; | |
12632 | EmacsFrameSetCharSize (f->output_data.x->edit_widget, cols, rows); | |
12633 | f->output_data.x->widget->core.x = xpos; | |
12634 | f->output_data.x->widget->core.y = ypos; | |
12635 | } | |
12636 | else | |
12637 | x_set_window_size_1 (f, change_gravity, cols, rows); | |
12638 | ||
12639 | #else /* not USE_X_TOOLKIT */ | |
12640 | ||
12641 | x_set_window_size_1 (f, change_gravity, cols, rows); | |
12642 | ||
aee9a898 RS |
12643 | #endif /* not USE_X_TOOLKIT */ |
12644 | ||
4d73d038 | 12645 | /* If cursor was outside the new size, mark it as off. */ |
06a2c219 | 12646 | mark_window_cursors_off (XWINDOW (f->root_window)); |
4d73d038 | 12647 | |
aee9a898 RS |
12648 | /* Clear out any recollection of where the mouse highlighting was, |
12649 | since it might be in a place that's outside the new frame size. | |
12650 | Actually checking whether it is outside is a pain in the neck, | |
12651 | so don't try--just let the highlighting be done afresh with new size. */ | |
e687d06e | 12652 | cancel_mouse_face (f); |
dbc4e1c1 | 12653 | |
dc6f92b8 JB |
12654 | UNBLOCK_INPUT; |
12655 | } | |
dc6f92b8 | 12656 | \f |
d047c4eb | 12657 | /* Mouse warping. */ |
dc6f92b8 | 12658 | |
9b378208 | 12659 | void |
f676886a JB |
12660 | x_set_mouse_position (f, x, y) |
12661 | struct frame *f; | |
dc6f92b8 JB |
12662 | int x, y; |
12663 | { | |
12664 | int pix_x, pix_y; | |
12665 | ||
7556890b RS |
12666 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.x->font) / 2; |
12667 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.x->line_height / 2; | |
f451eb13 JB |
12668 | |
12669 | if (pix_x < 0) pix_x = 0; | |
12670 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
12671 | ||
12672 | if (pix_y < 0) pix_y = 0; | |
12673 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
12674 | |
12675 | BLOCK_INPUT; | |
dc6f92b8 | 12676 | |
334208b7 RS |
12677 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
12678 | 0, 0, 0, 0, pix_x, pix_y); | |
dc6f92b8 JB |
12679 | UNBLOCK_INPUT; |
12680 | } | |
12681 | ||
9b378208 RS |
12682 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
12683 | ||
12684 | void | |
12685 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
12686 | struct frame *f; | |
12687 | int pix_x, pix_y; | |
12688 | { | |
12689 | BLOCK_INPUT; | |
12690 | ||
334208b7 RS |
12691 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
12692 | 0, 0, 0, 0, pix_x, pix_y); | |
9b378208 RS |
12693 | UNBLOCK_INPUT; |
12694 | } | |
d047c4eb KH |
12695 | \f |
12696 | /* focus shifting, raising and lowering. */ | |
9b378208 | 12697 | |
dfcf069d | 12698 | void |
f676886a JB |
12699 | x_focus_on_frame (f) |
12700 | struct frame *f; | |
dc6f92b8 | 12701 | { |
1fb20991 | 12702 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 12703 | x_raise_frame (f); |
1fb20991 | 12704 | #endif |
6d4238f3 JB |
12705 | #if 0 |
12706 | /* I don't think that the ICCCM allows programs to do things like this | |
12707 | without the interaction of the window manager. Whatever you end up | |
f676886a | 12708 | doing with this code, do it to x_unfocus_frame too. */ |
334208b7 | 12709 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dc6f92b8 | 12710 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 12711 | #endif /* ! 0 */ |
dc6f92b8 JB |
12712 | } |
12713 | ||
dfcf069d | 12714 | void |
f676886a JB |
12715 | x_unfocus_frame (f) |
12716 | struct frame *f; | |
dc6f92b8 | 12717 | { |
6d4238f3 | 12718 | #if 0 |
f676886a | 12719 | /* Look at the remarks in x_focus_on_frame. */ |
0f941935 | 12720 | if (FRAME_X_DISPLAY_INFO (f)->x_focus_frame == f) |
334208b7 | 12721 | XSetInputFocus (FRAME_X_DISPLAY (f), PointerRoot, |
dc6f92b8 | 12722 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 12723 | #endif /* ! 0 */ |
dc6f92b8 JB |
12724 | } |
12725 | ||
f676886a | 12726 | /* Raise frame F. */ |
dc6f92b8 | 12727 | |
dfcf069d | 12728 | void |
f676886a JB |
12729 | x_raise_frame (f) |
12730 | struct frame *f; | |
dc6f92b8 | 12731 | { |
3a88c238 | 12732 | if (f->async_visible) |
dc6f92b8 JB |
12733 | { |
12734 | BLOCK_INPUT; | |
3afe33e7 | 12735 | #ifdef USE_X_TOOLKIT |
7556890b | 12736 | XRaiseWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget)); |
3afe33e7 | 12737 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 12738 | XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 12739 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 12740 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
12741 | UNBLOCK_INPUT; |
12742 | } | |
12743 | } | |
12744 | ||
f676886a | 12745 | /* Lower frame F. */ |
dc6f92b8 | 12746 | |
dfcf069d | 12747 | void |
f676886a JB |
12748 | x_lower_frame (f) |
12749 | struct frame *f; | |
dc6f92b8 | 12750 | { |
3a88c238 | 12751 | if (f->async_visible) |
dc6f92b8 JB |
12752 | { |
12753 | BLOCK_INPUT; | |
3afe33e7 | 12754 | #ifdef USE_X_TOOLKIT |
7556890b | 12755 | XLowerWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget)); |
3afe33e7 | 12756 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 12757 | XLowerWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 12758 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 12759 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
12760 | UNBLOCK_INPUT; |
12761 | } | |
12762 | } | |
12763 | ||
dbc4e1c1 | 12764 | static void |
6b0442dc | 12765 | XTframe_raise_lower (f, raise_flag) |
dbc4e1c1 | 12766 | FRAME_PTR f; |
6b0442dc | 12767 | int raise_flag; |
dbc4e1c1 | 12768 | { |
6b0442dc | 12769 | if (raise_flag) |
dbc4e1c1 JB |
12770 | x_raise_frame (f); |
12771 | else | |
12772 | x_lower_frame (f); | |
12773 | } | |
d047c4eb KH |
12774 | \f |
12775 | /* Change of visibility. */ | |
dc6f92b8 | 12776 | |
9382638d KH |
12777 | /* This tries to wait until the frame is really visible. |
12778 | However, if the window manager asks the user where to position | |
12779 | the frame, this will return before the user finishes doing that. | |
12780 | The frame will not actually be visible at that time, | |
12781 | but it will become visible later when the window manager | |
12782 | finishes with it. */ | |
12783 | ||
dfcf069d | 12784 | void |
f676886a JB |
12785 | x_make_frame_visible (f) |
12786 | struct frame *f; | |
dc6f92b8 | 12787 | { |
990ba854 | 12788 | Lisp_Object type; |
1aa6072f | 12789 | int original_top, original_left; |
31be9251 GM |
12790 | int retry_count = 2; |
12791 | ||
12792 | retry: | |
dc6f92b8 | 12793 | |
dc6f92b8 | 12794 | BLOCK_INPUT; |
dc6f92b8 | 12795 | |
990ba854 RS |
12796 | type = x_icon_type (f); |
12797 | if (!NILP (type)) | |
12798 | x_bitmap_icon (f, type); | |
bdcd49ba | 12799 | |
f676886a | 12800 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 | 12801 | { |
1aa6072f RS |
12802 | /* We test FRAME_GARBAGED_P here to make sure we don't |
12803 | call x_set_offset a second time | |
12804 | if we get to x_make_frame_visible a second time | |
12805 | before the window gets really visible. */ | |
12806 | if (! FRAME_ICONIFIED_P (f) | |
12807 | && ! f->output_data.x->asked_for_visible) | |
12808 | x_set_offset (f, f->output_data.x->left_pos, f->output_data.x->top_pos, 0); | |
12809 | ||
12810 | f->output_data.x->asked_for_visible = 1; | |
12811 | ||
90e65f07 | 12812 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 12813 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 12814 | #ifdef USE_X_TOOLKIT |
d7a38a2e | 12815 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
7556890b | 12816 | XtMapWidget (f->output_data.x->widget); |
3afe33e7 | 12817 | #else /* not USE_X_TOOLKIT */ |
7f9c7f94 | 12818 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 12819 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
12820 | #if 0 /* This seems to bring back scroll bars in the wrong places |
12821 | if the window configuration has changed. They seem | |
12822 | to come back ok without this. */ | |
ab648270 | 12823 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 12824 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 12825 | #endif |
90e65f07 | 12826 | } |
dc6f92b8 | 12827 | |
334208b7 | 12828 | XFlush (FRAME_X_DISPLAY (f)); |
90e65f07 | 12829 | |
0dacf791 RS |
12830 | /* Synchronize to ensure Emacs knows the frame is visible |
12831 | before we do anything else. We do this loop with input not blocked | |
12832 | so that incoming events are handled. */ | |
12833 | { | |
12834 | Lisp_Object frame; | |
12ce2351 | 12835 | int count; |
28c01ffe RS |
12836 | /* This must be before UNBLOCK_INPUT |
12837 | since events that arrive in response to the actions above | |
12838 | will set it when they are handled. */ | |
12839 | int previously_visible = f->output_data.x->has_been_visible; | |
1aa6072f RS |
12840 | |
12841 | original_left = f->output_data.x->left_pos; | |
12842 | original_top = f->output_data.x->top_pos; | |
c0a04927 RS |
12843 | |
12844 | /* This must come after we set COUNT. */ | |
12845 | UNBLOCK_INPUT; | |
12846 | ||
2745e6c4 | 12847 | /* We unblock here so that arriving X events are processed. */ |
1aa6072f | 12848 | |
dcb07ae9 RS |
12849 | /* Now move the window back to where it was "supposed to be". |
12850 | But don't do it if the gravity is negative. | |
12851 | When the gravity is negative, this uses a position | |
28c01ffe RS |
12852 | that is 3 pixels too low. Perhaps that's really the border width. |
12853 | ||
12854 | Don't do this if the window has never been visible before, | |
12855 | because the window manager may choose the position | |
12856 | and we don't want to override it. */ | |
1aa6072f | 12857 | |
4d3f5d9a | 12858 | if (! FRAME_VISIBLE_P (f) && ! FRAME_ICONIFIED_P (f) |
06c488fd | 12859 | && f->output_data.x->win_gravity == NorthWestGravity |
28c01ffe | 12860 | && previously_visible) |
1aa6072f | 12861 | { |
2745e6c4 RS |
12862 | Drawable rootw; |
12863 | int x, y; | |
12864 | unsigned int width, height, border, depth; | |
06a2c219 | 12865 | |
1aa6072f | 12866 | BLOCK_INPUT; |
9829ddba | 12867 | |
06a2c219 GM |
12868 | /* On some window managers (such as FVWM) moving an existing |
12869 | window, even to the same place, causes the window manager | |
12870 | to introduce an offset. This can cause the window to move | |
12871 | to an unexpected location. Check the geometry (a little | |
12872 | slow here) and then verify that the window is in the right | |
12873 | place. If the window is not in the right place, move it | |
12874 | there, and take the potential window manager hit. */ | |
2745e6c4 RS |
12875 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), |
12876 | &rootw, &x, &y, &width, &height, &border, &depth); | |
12877 | ||
12878 | if (original_left != x || original_top != y) | |
12879 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), | |
12880 | original_left, original_top); | |
12881 | ||
1aa6072f RS |
12882 | UNBLOCK_INPUT; |
12883 | } | |
9829ddba | 12884 | |
e0c1aef2 | 12885 | XSETFRAME (frame, f); |
c0a04927 | 12886 | |
12ce2351 GM |
12887 | /* Wait until the frame is visible. Process X events until a |
12888 | MapNotify event has been seen, or until we think we won't get a | |
12889 | MapNotify at all.. */ | |
12890 | for (count = input_signal_count + 10; | |
12891 | input_signal_count < count && !FRAME_VISIBLE_P (f);) | |
2a6cf806 | 12892 | { |
12ce2351 | 12893 | /* Force processing of queued events. */ |
334208b7 | 12894 | x_sync (f); |
12ce2351 GM |
12895 | |
12896 | /* Machines that do polling rather than SIGIO have been | |
12897 | observed to go into a busy-wait here. So we'll fake an | |
12898 | alarm signal to let the handler know that there's something | |
12899 | to be read. We used to raise a real alarm, but it seems | |
12900 | that the handler isn't always enabled here. This is | |
12901 | probably a bug. */ | |
8b2f8d4e | 12902 | if (input_polling_used ()) |
3b2fa4e6 | 12903 | { |
12ce2351 GM |
12904 | /* It could be confusing if a real alarm arrives while |
12905 | processing the fake one. Turn it off and let the | |
12906 | handler reset it. */ | |
3e71d8f2 | 12907 | extern void poll_for_input_1 P_ ((void)); |
bffcfca9 GM |
12908 | int old_poll_suppress_count = poll_suppress_count; |
12909 | poll_suppress_count = 1; | |
12910 | poll_for_input_1 (); | |
12911 | poll_suppress_count = old_poll_suppress_count; | |
3b2fa4e6 | 12912 | } |
12ce2351 GM |
12913 | |
12914 | /* See if a MapNotify event has been processed. */ | |
12915 | FRAME_SAMPLE_VISIBILITY (f); | |
2a6cf806 | 12916 | } |
31be9251 GM |
12917 | |
12918 | /* 2000-09-28: In | |
12919 | ||
12920 | (let ((f (selected-frame))) | |
12921 | (iconify-frame f) | |
12922 | (raise-frame f)) | |
12923 | ||
12924 | the frame is not raised with various window managers on | |
12925 | FreeBSD, Linux and Solaris. It turns out that, for some | |
12926 | unknown reason, the call to XtMapWidget is completely ignored. | |
12927 | Mapping the widget a second time works. */ | |
12928 | ||
12929 | if (!FRAME_VISIBLE_P (f) && --retry_count > 0) | |
12930 | goto retry; | |
0dacf791 | 12931 | } |
dc6f92b8 JB |
12932 | } |
12933 | ||
06a2c219 | 12934 | /* Change from mapped state to withdrawn state. */ |
dc6f92b8 | 12935 | |
d047c4eb KH |
12936 | /* Make the frame visible (mapped and not iconified). */ |
12937 | ||
dfcf069d | 12938 | void |
f676886a JB |
12939 | x_make_frame_invisible (f) |
12940 | struct frame *f; | |
dc6f92b8 | 12941 | { |
546e6d5b RS |
12942 | Window window; |
12943 | ||
12944 | #ifdef USE_X_TOOLKIT | |
12945 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
7556890b | 12946 | window = XtWindow (f->output_data.x->widget); |
546e6d5b RS |
12947 | #else /* not USE_X_TOOLKIT */ |
12948 | window = FRAME_X_WINDOW (f); | |
12949 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 12950 | |
9319ae23 | 12951 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
12952 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
12953 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 12954 | |
5627c40e | 12955 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 12956 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 12957 | return; |
5627c40e | 12958 | #endif |
dc6f92b8 JB |
12959 | |
12960 | BLOCK_INPUT; | |
c118dd06 | 12961 | |
af31d76f RS |
12962 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
12963 | that the current position of the window is user-specified, rather than | |
12964 | program-specified, so that when the window is mapped again, it will be | |
12965 | placed at the same location, without forcing the user to position it | |
12966 | by hand again (they have already done that once for this window.) */ | |
c32cdd9a | 12967 | x_wm_set_size_hint (f, (long) 0, 1); |
af31d76f | 12968 | |
c118dd06 JB |
12969 | #ifdef HAVE_X11R4 |
12970 | ||
334208b7 RS |
12971 | if (! XWithdrawWindow (FRAME_X_DISPLAY (f), window, |
12972 | DefaultScreen (FRAME_X_DISPLAY (f)))) | |
c118dd06 JB |
12973 | { |
12974 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 12975 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 12976 | } |
c118dd06 | 12977 | #else /* ! defined (HAVE_X11R4) */ |
16bd92ea | 12978 | |
c118dd06 | 12979 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
12980 | if (! EQ (Vx_no_window_manager, Qt)) |
12981 | { | |
16bd92ea | 12982 | XEvent unmap; |
dc6f92b8 | 12983 | |
16bd92ea | 12984 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 12985 | unmap.xunmap.window = window; |
334208b7 | 12986 | unmap.xunmap.event = DefaultRootWindow (FRAME_X_DISPLAY (f)); |
16bd92ea | 12987 | unmap.xunmap.from_configure = False; |
334208b7 RS |
12988 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
12989 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea | 12990 | False, |
06a2c219 | 12991 | SubstructureRedirectMaskSubstructureNotifyMask, |
16bd92ea JB |
12992 | &unmap)) |
12993 | { | |
12994 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 12995 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 12996 | } |
dc6f92b8 JB |
12997 | } |
12998 | ||
16bd92ea | 12999 | /* Unmap the window ourselves. Cheeky! */ |
334208b7 | 13000 | XUnmapWindow (FRAME_X_DISPLAY (f), window); |
c118dd06 | 13001 | #endif /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 13002 | |
5627c40e RS |
13003 | /* We can't distinguish this from iconification |
13004 | just by the event that we get from the server. | |
13005 | So we can't win using the usual strategy of letting | |
13006 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
13007 | and synchronize with the server to make sure we agree. */ | |
13008 | f->visible = 0; | |
13009 | FRAME_ICONIFIED_P (f) = 0; | |
13010 | f->async_visible = 0; | |
13011 | f->async_iconified = 0; | |
13012 | ||
334208b7 | 13013 | x_sync (f); |
5627c40e | 13014 | |
dc6f92b8 JB |
13015 | UNBLOCK_INPUT; |
13016 | } | |
13017 | ||
06a2c219 | 13018 | /* Change window state from mapped to iconified. */ |
dc6f92b8 | 13019 | |
dfcf069d | 13020 | void |
f676886a JB |
13021 | x_iconify_frame (f) |
13022 | struct frame *f; | |
dc6f92b8 | 13023 | { |
3afe33e7 | 13024 | int result; |
990ba854 | 13025 | Lisp_Object type; |
dc6f92b8 | 13026 | |
9319ae23 | 13027 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
13028 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
13029 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 13030 | |
3a88c238 | 13031 | if (f->async_iconified) |
dc6f92b8 JB |
13032 | return; |
13033 | ||
3afe33e7 | 13034 | BLOCK_INPUT; |
546e6d5b | 13035 | |
9af3143a RS |
13036 | FRAME_SAMPLE_VISIBILITY (f); |
13037 | ||
990ba854 RS |
13038 | type = x_icon_type (f); |
13039 | if (!NILP (type)) | |
13040 | x_bitmap_icon (f, type); | |
bdcd49ba RS |
13041 | |
13042 | #ifdef USE_X_TOOLKIT | |
13043 | ||
546e6d5b RS |
13044 | if (! FRAME_VISIBLE_P (f)) |
13045 | { | |
13046 | if (! EQ (Vx_no_window_manager, Qt)) | |
13047 | x_wm_set_window_state (f, IconicState); | |
13048 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
7556890b | 13049 | XtMapWidget (f->output_data.x->widget); |
9cf30a30 RS |
13050 | /* The server won't give us any event to indicate |
13051 | that an invisible frame was changed to an icon, | |
13052 | so we have to record it here. */ | |
13053 | f->iconified = 1; | |
1e6bc770 | 13054 | f->visible = 1; |
9cf30a30 | 13055 | f->async_iconified = 1; |
1e6bc770 | 13056 | f->async_visible = 0; |
546e6d5b RS |
13057 | UNBLOCK_INPUT; |
13058 | return; | |
13059 | } | |
13060 | ||
334208b7 | 13061 | result = XIconifyWindow (FRAME_X_DISPLAY (f), |
7556890b | 13062 | XtWindow (f->output_data.x->widget), |
334208b7 | 13063 | DefaultScreen (FRAME_X_DISPLAY (f))); |
3afe33e7 RS |
13064 | UNBLOCK_INPUT; |
13065 | ||
13066 | if (!result) | |
546e6d5b | 13067 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
13068 | |
13069 | f->async_iconified = 1; | |
1e6bc770 RS |
13070 | f->async_visible = 0; |
13071 | ||
8c002a25 KH |
13072 | |
13073 | BLOCK_INPUT; | |
334208b7 | 13074 | XFlush (FRAME_X_DISPLAY (f)); |
8c002a25 | 13075 | UNBLOCK_INPUT; |
3afe33e7 RS |
13076 | #else /* not USE_X_TOOLKIT */ |
13077 | ||
fd13dbb2 RS |
13078 | /* Make sure the X server knows where the window should be positioned, |
13079 | in case the user deiconifies with the window manager. */ | |
13080 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
7556890b | 13081 | x_set_offset (f, f->output_data.x->left_pos, f->output_data.x->top_pos, 0); |
fd13dbb2 | 13082 | |
16bd92ea JB |
13083 | /* Since we don't know which revision of X we're running, we'll use both |
13084 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
13085 | ||
13086 | /* X11R4: send a ClientMessage to the window manager using the | |
13087 | WM_CHANGE_STATE type. */ | |
13088 | { | |
13089 | XEvent message; | |
58769bee | 13090 | |
c118dd06 | 13091 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea | 13092 | message.xclient.type = ClientMessage; |
334208b7 | 13093 | message.xclient.message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_change_state; |
16bd92ea JB |
13094 | message.xclient.format = 32; |
13095 | message.xclient.data.l[0] = IconicState; | |
13096 | ||
334208b7 RS |
13097 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
13098 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
13099 | False, |
13100 | SubstructureRedirectMask | SubstructureNotifyMask, | |
13101 | &message)) | |
dc6f92b8 JB |
13102 | { |
13103 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 13104 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 13105 | } |
16bd92ea | 13106 | } |
dc6f92b8 | 13107 | |
58769bee | 13108 | /* X11R3: set the initial_state field of the window manager hints to |
16bd92ea JB |
13109 | IconicState. */ |
13110 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 13111 | |
a9c00105 RS |
13112 | if (!FRAME_VISIBLE_P (f)) |
13113 | { | |
13114 | /* If the frame was withdrawn, before, we must map it. */ | |
7f9c7f94 | 13115 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
a9c00105 RS |
13116 | } |
13117 | ||
3a88c238 | 13118 | f->async_iconified = 1; |
1e6bc770 | 13119 | f->async_visible = 0; |
dc6f92b8 | 13120 | |
334208b7 | 13121 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 13122 | UNBLOCK_INPUT; |
8c002a25 | 13123 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 13124 | } |
19f71add | 13125 | |
d047c4eb | 13126 | \f |
19f71add | 13127 | /* Free X resources of frame F. */ |
dc6f92b8 | 13128 | |
dfcf069d | 13129 | void |
19f71add | 13130 | x_free_frame_resources (f) |
f676886a | 13131 | struct frame *f; |
dc6f92b8 | 13132 | { |
7f9c7f94 RS |
13133 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
13134 | ||
dc6f92b8 | 13135 | BLOCK_INPUT; |
c0ff3fab | 13136 | |
6186a4a0 RS |
13137 | /* If a display connection is dead, don't try sending more |
13138 | commands to the X server. */ | |
19f71add | 13139 | if (dpyinfo->display) |
6186a4a0 | 13140 | { |
19f71add | 13141 | if (f->output_data.x->icon_desc) |
6186a4a0 | 13142 | XDestroyWindow (FRAME_X_DISPLAY (f), f->output_data.x->icon_desc); |
19f71add | 13143 | |
31f41daf | 13144 | #ifdef HAVE_X_I18N |
f5d11644 GM |
13145 | if (FRAME_XIC (f)) |
13146 | free_frame_xic (f); | |
31f41daf | 13147 | #endif |
19f71add | 13148 | |
2662734b | 13149 | if (FRAME_X_WINDOW (f)) |
19f71add GM |
13150 | XDestroyWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
13151 | ||
3afe33e7 | 13152 | #ifdef USE_X_TOOLKIT |
06a2c219 | 13153 | if (f->output_data.x->widget) |
30ca89f5 GM |
13154 | { |
13155 | XtDestroyWidget (f->output_data.x->widget); | |
13156 | f->output_data.x->widget = NULL; | |
13157 | } | |
6186a4a0 | 13158 | free_frame_menubar (f); |
3afe33e7 RS |
13159 | #endif /* USE_X_TOOLKIT */ |
13160 | ||
3e71d8f2 GM |
13161 | unload_color (f, f->output_data.x->foreground_pixel); |
13162 | unload_color (f, f->output_data.x->background_pixel); | |
13163 | unload_color (f, f->output_data.x->cursor_pixel); | |
13164 | unload_color (f, f->output_data.x->cursor_foreground_pixel); | |
13165 | unload_color (f, f->output_data.x->border_pixel); | |
13166 | unload_color (f, f->output_data.x->mouse_pixel); | |
19f71add | 13167 | |
3e71d8f2 GM |
13168 | if (f->output_data.x->scroll_bar_background_pixel != -1) |
13169 | unload_color (f, f->output_data.x->scroll_bar_background_pixel); | |
13170 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) | |
13171 | unload_color (f, f->output_data.x->scroll_bar_foreground_pixel); | |
7c1bef7a MB |
13172 | #ifdef USE_TOOLKIT_SCROLL_BARS |
13173 | /* Scrollbar shadow colors. */ | |
13174 | if (f->output_data.x->scroll_bar_top_shadow_pixel != -1) | |
13175 | unload_color (f, f->output_data.x->scroll_bar_top_shadow_pixel); | |
13176 | if (f->output_data.x->scroll_bar_bottom_shadow_pixel != -1) | |
13177 | unload_color (f, f->output_data.x->scroll_bar_bottom_shadow_pixel); | |
13178 | #endif /* USE_TOOLKIT_SCROLL_BARS */ | |
3e71d8f2 GM |
13179 | if (f->output_data.x->white_relief.allocated_p) |
13180 | unload_color (f, f->output_data.x->white_relief.pixel); | |
13181 | if (f->output_data.x->black_relief.allocated_p) | |
13182 | unload_color (f, f->output_data.x->black_relief.pixel); | |
4ca78676 | 13183 | |
19f71add GM |
13184 | if (FRAME_FACE_CACHE (f)) |
13185 | free_frame_faces (f); | |
13186 | ||
4ca78676 | 13187 | x_free_gcs (f); |
6186a4a0 RS |
13188 | XFlush (FRAME_X_DISPLAY (f)); |
13189 | } | |
dc6f92b8 | 13190 | |
df89d8a4 | 13191 | if (f->output_data.x->saved_menu_event) |
06a2c219 | 13192 | xfree (f->output_data.x->saved_menu_event); |
0c49ce2f | 13193 | |
7556890b | 13194 | xfree (f->output_data.x); |
19f71add GM |
13195 | f->output_data.x = NULL; |
13196 | ||
0f941935 KH |
13197 | if (f == dpyinfo->x_focus_frame) |
13198 | dpyinfo->x_focus_frame = 0; | |
13199 | if (f == dpyinfo->x_focus_event_frame) | |
13200 | dpyinfo->x_focus_event_frame = 0; | |
13201 | if (f == dpyinfo->x_highlight_frame) | |
13202 | dpyinfo->x_highlight_frame = 0; | |
c0ff3fab | 13203 | |
7f9c7f94 | 13204 | if (f == dpyinfo->mouse_face_mouse_frame) |
dc05a16b | 13205 | { |
7f9c7f94 RS |
13206 | dpyinfo->mouse_face_beg_row |
13207 | = dpyinfo->mouse_face_beg_col = -1; | |
13208 | dpyinfo->mouse_face_end_row | |
13209 | = dpyinfo->mouse_face_end_col = -1; | |
13210 | dpyinfo->mouse_face_window = Qnil; | |
21323706 RS |
13211 | dpyinfo->mouse_face_deferred_gc = 0; |
13212 | dpyinfo->mouse_face_mouse_frame = 0; | |
dc05a16b | 13213 | } |
0134a210 | 13214 | |
c0ff3fab | 13215 | UNBLOCK_INPUT; |
dc6f92b8 | 13216 | } |
19f71add GM |
13217 | |
13218 | ||
13219 | /* Destroy the X window of frame F. */ | |
13220 | ||
13221 | void | |
13222 | x_destroy_window (f) | |
13223 | struct frame *f; | |
13224 | { | |
13225 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
13226 | ||
13227 | /* If a display connection is dead, don't try sending more | |
13228 | commands to the X server. */ | |
13229 | if (dpyinfo->display != 0) | |
13230 | x_free_frame_resources (f); | |
13231 | ||
13232 | dpyinfo->reference_count--; | |
13233 | } | |
13234 | ||
dc6f92b8 | 13235 | \f |
f451eb13 JB |
13236 | /* Setting window manager hints. */ |
13237 | ||
af31d76f RS |
13238 | /* Set the normal size hints for the window manager, for frame F. |
13239 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
13240 | that the window now has. | |
13241 | If USER_POSITION is nonzero, we set the USPosition | |
13242 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 13243 | |
dfcf069d | 13244 | void |
af31d76f | 13245 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 13246 | struct frame *f; |
af31d76f RS |
13247 | long flags; |
13248 | int user_position; | |
dc6f92b8 JB |
13249 | { |
13250 | XSizeHints size_hints; | |
3afe33e7 RS |
13251 | |
13252 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
13253 | Arg al[2]; |
13254 | int ac = 0; | |
13255 | Dimension widget_width, widget_height; | |
7556890b | 13256 | Window window = XtWindow (f->output_data.x->widget); |
3afe33e7 | 13257 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 13258 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 13259 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 13260 | |
b72a58fd RS |
13261 | /* Setting PMaxSize caused various problems. */ |
13262 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 13263 | |
7556890b RS |
13264 | size_hints.x = f->output_data.x->left_pos; |
13265 | size_hints.y = f->output_data.x->top_pos; | |
7553a6b7 | 13266 | |
7e4f2521 FP |
13267 | #ifdef USE_X_TOOLKIT |
13268 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
13269 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
7556890b | 13270 | XtGetValues (f->output_data.x->widget, al, ac); |
7e4f2521 FP |
13271 | size_hints.height = widget_height; |
13272 | size_hints.width = widget_width; | |
13273 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
13274 | size_hints.height = PIXEL_HEIGHT (f); |
13275 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 13276 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 13277 | |
7556890b RS |
13278 | size_hints.width_inc = FONT_WIDTH (f->output_data.x->font); |
13279 | size_hints.height_inc = f->output_data.x->line_height; | |
334208b7 RS |
13280 | size_hints.max_width |
13281 | = FRAME_X_DISPLAY_INFO (f)->width - CHAR_TO_PIXEL_WIDTH (f, 0); | |
13282 | size_hints.max_height | |
13283 | = FRAME_X_DISPLAY_INFO (f)->height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 13284 | |
d067ea8b KH |
13285 | /* Calculate the base and minimum sizes. |
13286 | ||
13287 | (When we use the X toolkit, we don't do it here. | |
13288 | Instead we copy the values that the widgets are using, below.) */ | |
13289 | #ifndef USE_X_TOOLKIT | |
b1c884c3 | 13290 | { |
b0342f17 | 13291 | int base_width, base_height; |
0134a210 | 13292 | int min_rows = 0, min_cols = 0; |
b0342f17 | 13293 | |
f451eb13 JB |
13294 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
13295 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 13296 | |
0134a210 | 13297 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 13298 | |
0134a210 RS |
13299 | /* The window manager uses the base width hints to calculate the |
13300 | current number of rows and columns in the frame while | |
13301 | resizing; min_width and min_height aren't useful for this | |
13302 | purpose, since they might not give the dimensions for a | |
13303 | zero-row, zero-column frame. | |
58769bee | 13304 | |
0134a210 RS |
13305 | We use the base_width and base_height members if we have |
13306 | them; otherwise, we set the min_width and min_height members | |
13307 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
13308 | |
13309 | #ifdef HAVE_X11R4 | |
0134a210 RS |
13310 | size_hints.flags |= PBaseSize; |
13311 | size_hints.base_width = base_width; | |
13312 | size_hints.base_height = base_height; | |
13313 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
13314 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 13315 | #else |
0134a210 RS |
13316 | size_hints.min_width = base_width; |
13317 | size_hints.min_height = base_height; | |
b0342f17 | 13318 | #endif |
b1c884c3 | 13319 | } |
dc6f92b8 | 13320 | |
d067ea8b | 13321 | /* If we don't need the old flags, we don't need the old hint at all. */ |
af31d76f | 13322 | if (flags) |
dc6f92b8 | 13323 | { |
d067ea8b KH |
13324 | size_hints.flags |= flags; |
13325 | goto no_read; | |
13326 | } | |
13327 | #endif /* not USE_X_TOOLKIT */ | |
13328 | ||
13329 | { | |
13330 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
13331 | long supplied_return; | |
13332 | int value; | |
af31d76f RS |
13333 | |
13334 | #ifdef HAVE_X11R4 | |
d067ea8b KH |
13335 | value = XGetWMNormalHints (FRAME_X_DISPLAY (f), window, &hints, |
13336 | &supplied_return); | |
af31d76f | 13337 | #else |
d067ea8b | 13338 | value = XGetNormalHints (FRAME_X_DISPLAY (f), window, &hints); |
af31d76f | 13339 | #endif |
58769bee | 13340 | |
d067ea8b KH |
13341 | #ifdef USE_X_TOOLKIT |
13342 | size_hints.base_height = hints.base_height; | |
13343 | size_hints.base_width = hints.base_width; | |
13344 | size_hints.min_height = hints.min_height; | |
13345 | size_hints.min_width = hints.min_width; | |
13346 | #endif | |
13347 | ||
13348 | if (flags) | |
13349 | size_hints.flags |= flags; | |
13350 | else | |
13351 | { | |
13352 | if (value == 0) | |
13353 | hints.flags = 0; | |
13354 | if (hints.flags & PSize) | |
13355 | size_hints.flags |= PSize; | |
13356 | if (hints.flags & PPosition) | |
13357 | size_hints.flags |= PPosition; | |
13358 | if (hints.flags & USPosition) | |
13359 | size_hints.flags |= USPosition; | |
13360 | if (hints.flags & USSize) | |
13361 | size_hints.flags |= USSize; | |
13362 | } | |
13363 | } | |
13364 | ||
06a2c219 | 13365 | #ifndef USE_X_TOOLKIT |
d067ea8b | 13366 | no_read: |
06a2c219 | 13367 | #endif |
0134a210 | 13368 | |
af31d76f | 13369 | #ifdef PWinGravity |
7556890b | 13370 | size_hints.win_gravity = f->output_data.x->win_gravity; |
af31d76f | 13371 | size_hints.flags |= PWinGravity; |
dc05a16b | 13372 | |
af31d76f | 13373 | if (user_position) |
6dba1858 | 13374 | { |
af31d76f RS |
13375 | size_hints.flags &= ~ PPosition; |
13376 | size_hints.flags |= USPosition; | |
6dba1858 | 13377 | } |
2554751d | 13378 | #endif /* PWinGravity */ |
6dba1858 | 13379 | |
b0342f17 | 13380 | #ifdef HAVE_X11R4 |
334208b7 | 13381 | XSetWMNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 13382 | #else |
334208b7 | 13383 | XSetNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 13384 | #endif |
dc6f92b8 JB |
13385 | } |
13386 | ||
13387 | /* Used for IconicState or NormalState */ | |
06a2c219 | 13388 | |
dfcf069d | 13389 | void |
f676886a JB |
13390 | x_wm_set_window_state (f, state) |
13391 | struct frame *f; | |
dc6f92b8 JB |
13392 | int state; |
13393 | { | |
3afe33e7 | 13394 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
13395 | Arg al[1]; |
13396 | ||
13397 | XtSetArg (al[0], XtNinitialState, state); | |
7556890b | 13398 | XtSetValues (f->output_data.x->widget, al, 1); |
3afe33e7 | 13399 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 13400 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 13401 | |
7556890b RS |
13402 | f->output_data.x->wm_hints.flags |= StateHint; |
13403 | f->output_data.x->wm_hints.initial_state = state; | |
b1c884c3 | 13404 | |
7556890b | 13405 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); |
546e6d5b | 13406 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
13407 | } |
13408 | ||
dfcf069d | 13409 | void |
7f2ae036 | 13410 | x_wm_set_icon_pixmap (f, pixmap_id) |
f676886a | 13411 | struct frame *f; |
7f2ae036 | 13412 | int pixmap_id; |
dc6f92b8 | 13413 | { |
d2bd6bc4 RS |
13414 | Pixmap icon_pixmap; |
13415 | ||
06a2c219 | 13416 | #ifndef USE_X_TOOLKIT |
c118dd06 | 13417 | Window window = FRAME_X_WINDOW (f); |
75231bad | 13418 | #endif |
dc6f92b8 | 13419 | |
7f2ae036 | 13420 | if (pixmap_id > 0) |
dbc4e1c1 | 13421 | { |
d2bd6bc4 | 13422 | icon_pixmap = x_bitmap_pixmap (f, pixmap_id); |
7556890b | 13423 | f->output_data.x->wm_hints.icon_pixmap = icon_pixmap; |
dbc4e1c1 JB |
13424 | } |
13425 | else | |
68568555 RS |
13426 | { |
13427 | /* It seems there is no way to turn off use of an icon pixmap. | |
13428 | The following line does it, only if no icon has yet been created, | |
13429 | for some window managers. But with mwm it crashes. | |
13430 | Some people say it should clear the IconPixmapHint bit in this case, | |
13431 | but that doesn't work, and the X consortium said it isn't the | |
13432 | right thing at all. Since there is no way to win, | |
13433 | best to explicitly give up. */ | |
13434 | #if 0 | |
13435 | f->output_data.x->wm_hints.icon_pixmap = None; | |
13436 | #else | |
13437 | return; | |
13438 | #endif | |
13439 | } | |
b1c884c3 | 13440 | |
d2bd6bc4 RS |
13441 | #ifdef USE_X_TOOLKIT /* same as in x_wm_set_window_state. */ |
13442 | ||
13443 | { | |
13444 | Arg al[1]; | |
13445 | XtSetArg (al[0], XtNiconPixmap, icon_pixmap); | |
13446 | XtSetValues (f->output_data.x->widget, al, 1); | |
13447 | } | |
13448 | ||
13449 | #else /* not USE_X_TOOLKIT */ | |
13450 | ||
7556890b RS |
13451 | f->output_data.x->wm_hints.flags |= IconPixmapHint; |
13452 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); | |
d2bd6bc4 RS |
13453 | |
13454 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 JB |
13455 | } |
13456 | ||
dfcf069d | 13457 | void |
f676886a JB |
13458 | x_wm_set_icon_position (f, icon_x, icon_y) |
13459 | struct frame *f; | |
dc6f92b8 JB |
13460 | int icon_x, icon_y; |
13461 | { | |
75231bad | 13462 | #ifdef USE_X_TOOLKIT |
7556890b | 13463 | Window window = XtWindow (f->output_data.x->widget); |
75231bad | 13464 | #else |
c118dd06 | 13465 | Window window = FRAME_X_WINDOW (f); |
75231bad | 13466 | #endif |
dc6f92b8 | 13467 | |
7556890b RS |
13468 | f->output_data.x->wm_hints.flags |= IconPositionHint; |
13469 | f->output_data.x->wm_hints.icon_x = icon_x; | |
13470 | f->output_data.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 13471 | |
7556890b | 13472 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); |
dc6f92b8 JB |
13473 | } |
13474 | ||
13475 | \f | |
06a2c219 GM |
13476 | /*********************************************************************** |
13477 | Fonts | |
13478 | ***********************************************************************/ | |
dc43ef94 KH |
13479 | |
13480 | /* Return a pointer to struct font_info of font FONT_IDX of frame F. */ | |
06a2c219 | 13481 | |
dc43ef94 KH |
13482 | struct font_info * |
13483 | x_get_font_info (f, font_idx) | |
13484 | FRAME_PTR f; | |
13485 | int font_idx; | |
13486 | { | |
13487 | return (FRAME_X_FONT_TABLE (f) + font_idx); | |
13488 | } | |
13489 | ||
13490 | ||
9c11f79e GM |
13491 | /* Return a list of names of available fonts matching PATTERN on frame F. |
13492 | ||
13493 | If SIZE is > 0, it is the size (maximum bounds width) of fonts | |
13494 | to be listed. | |
13495 | ||
13496 | SIZE < 0 means include scalable fonts. | |
13497 | ||
13498 | Frame F null means we have not yet created any frame on X, and | |
13499 | consult the first display in x_display_list. MAXNAMES sets a limit | |
13500 | on how many fonts to match. */ | |
dc43ef94 KH |
13501 | |
13502 | Lisp_Object | |
13503 | x_list_fonts (f, pattern, size, maxnames) | |
9c11f79e | 13504 | struct frame *f; |
dc43ef94 KH |
13505 | Lisp_Object pattern; |
13506 | int size; | |
13507 | int maxnames; | |
13508 | { | |
06a2c219 GM |
13509 | Lisp_Object list = Qnil, patterns, newlist = Qnil, key = Qnil; |
13510 | Lisp_Object tem, second_best; | |
9c11f79e GM |
13511 | struct x_display_info *dpyinfo |
13512 | = f ? FRAME_X_DISPLAY_INFO (f) : x_display_list; | |
13513 | Display *dpy = dpyinfo->display; | |
09c6077f | 13514 | int try_XLoadQueryFont = 0; |
53ca4657 | 13515 | int count; |
9c11f79e GM |
13516 | int allow_scalable_fonts_p = 0; |
13517 | ||
13518 | if (size < 0) | |
13519 | { | |
13520 | allow_scalable_fonts_p = 1; | |
13521 | size = 0; | |
13522 | } | |
dc43ef94 | 13523 | |
6b0efe73 | 13524 | patterns = Fassoc (pattern, Valternate_fontname_alist); |
2da424f1 KH |
13525 | if (NILP (patterns)) |
13526 | patterns = Fcons (pattern, Qnil); | |
81ba44e5 | 13527 | |
09c6077f KH |
13528 | if (maxnames == 1 && !size) |
13529 | /* We can return any single font matching PATTERN. */ | |
13530 | try_XLoadQueryFont = 1; | |
9a32686f | 13531 | |
8e713be6 | 13532 | for (; CONSP (patterns); patterns = XCDR (patterns)) |
dc43ef94 | 13533 | { |
dc43ef94 | 13534 | int num_fonts; |
3e71d8f2 | 13535 | char **names = NULL; |
dc43ef94 | 13536 | |
8e713be6 | 13537 | pattern = XCAR (patterns); |
536f4067 RS |
13538 | /* See if we cached the result for this particular query. |
13539 | The cache is an alist of the form: | |
9c11f79e GM |
13540 | ((((PATTERN . MAXNAMES) . SCALABLE) (FONTNAME . WIDTH) ...) ...) */ |
13541 | tem = XCDR (dpyinfo->name_list_element); | |
13542 | key = Fcons (Fcons (pattern, make_number (maxnames)), | |
13543 | allow_scalable_fonts_p ? Qt : Qnil); | |
13544 | list = Fassoc (key, tem); | |
13545 | if (!NILP (list)) | |
b5210ea7 KH |
13546 | { |
13547 | list = Fcdr_safe (list); | |
13548 | /* We have a cashed list. Don't have to get the list again. */ | |
13549 | goto label_cached; | |
13550 | } | |
13551 | ||
13552 | /* At first, put PATTERN in the cache. */ | |
09c6077f | 13553 | |
dc43ef94 | 13554 | BLOCK_INPUT; |
17d85edc KH |
13555 | count = x_catch_errors (dpy); |
13556 | ||
09c6077f KH |
13557 | if (try_XLoadQueryFont) |
13558 | { | |
13559 | XFontStruct *font; | |
13560 | unsigned long value; | |
13561 | ||
13562 | font = XLoadQueryFont (dpy, XSTRING (pattern)->data); | |
17d85edc KH |
13563 | if (x_had_errors_p (dpy)) |
13564 | { | |
13565 | /* This error is perhaps due to insufficient memory on X | |
13566 | server. Let's just ignore it. */ | |
13567 | font = NULL; | |
13568 | x_clear_errors (dpy); | |
13569 | } | |
13570 | ||
09c6077f KH |
13571 | if (font |
13572 | && XGetFontProperty (font, XA_FONT, &value)) | |
13573 | { | |
13574 | char *name = (char *) XGetAtomName (dpy, (Atom) value); | |
13575 | int len = strlen (name); | |
01c752b5 | 13576 | char *tmp; |
09c6077f | 13577 | |
6f6512e8 KH |
13578 | /* If DXPC (a Differential X Protocol Compressor) |
13579 | Ver.3.7 is running, XGetAtomName will return null | |
13580 | string. We must avoid such a name. */ | |
13581 | if (len == 0) | |
13582 | try_XLoadQueryFont = 0; | |
13583 | else | |
13584 | { | |
13585 | num_fonts = 1; | |
13586 | names = (char **) alloca (sizeof (char *)); | |
13587 | /* Some systems only allow alloca assigned to a | |
13588 | simple var. */ | |
13589 | tmp = (char *) alloca (len + 1); names[0] = tmp; | |
13590 | bcopy (name, names[0], len + 1); | |
13591 | XFree (name); | |
13592 | } | |
09c6077f KH |
13593 | } |
13594 | else | |
13595 | try_XLoadQueryFont = 0; | |
a083fd23 RS |
13596 | |
13597 | if (font) | |
13598 | XFreeFont (dpy, font); | |
09c6077f KH |
13599 | } |
13600 | ||
13601 | if (!try_XLoadQueryFont) | |
17d85edc KH |
13602 | { |
13603 | /* We try at least 10 fonts because XListFonts will return | |
13604 | auto-scaled fonts at the head. */ | |
13605 | names = XListFonts (dpy, XSTRING (pattern)->data, max (maxnames, 10), | |
13606 | &num_fonts); | |
13607 | if (x_had_errors_p (dpy)) | |
13608 | { | |
13609 | /* This error is perhaps due to insufficient memory on X | |
13610 | server. Let's just ignore it. */ | |
13611 | names = NULL; | |
13612 | x_clear_errors (dpy); | |
13613 | } | |
13614 | } | |
13615 | ||
13616 | x_uncatch_errors (dpy, count); | |
dc43ef94 KH |
13617 | UNBLOCK_INPUT; |
13618 | ||
13619 | if (names) | |
13620 | { | |
13621 | int i; | |
dc43ef94 KH |
13622 | |
13623 | /* Make a list of all the fonts we got back. | |
13624 | Store that in the font cache for the display. */ | |
13625 | for (i = 0; i < num_fonts; i++) | |
13626 | { | |
06a2c219 | 13627 | int width = 0; |
dc43ef94 | 13628 | char *p = names[i]; |
06a2c219 GM |
13629 | int average_width = -1, dashes = 0; |
13630 | ||
dc43ef94 | 13631 | /* Count the number of dashes in NAMES[I]. If there are |
9c11f79e GM |
13632 | 14 dashes, and the field value following 12th dash |
13633 | (AVERAGE_WIDTH) is 0, this is a auto-scaled font which | |
13634 | is usually too ugly to be used for editing. Let's | |
13635 | ignore it. */ | |
dc43ef94 KH |
13636 | while (*p) |
13637 | if (*p++ == '-') | |
13638 | { | |
13639 | dashes++; | |
13640 | if (dashes == 7) /* PIXEL_SIZE field */ | |
13641 | width = atoi (p); | |
13642 | else if (dashes == 12) /* AVERAGE_WIDTH field */ | |
13643 | average_width = atoi (p); | |
13644 | } | |
9c11f79e GM |
13645 | |
13646 | if (allow_scalable_fonts_p | |
13647 | || dashes < 14 || average_width != 0) | |
dc43ef94 KH |
13648 | { |
13649 | tem = build_string (names[i]); | |
13650 | if (NILP (Fassoc (tem, list))) | |
13651 | { | |
13652 | if (STRINGP (Vx_pixel_size_width_font_regexp) | |
f39db7ea RS |
13653 | && ((fast_c_string_match_ignore_case |
13654 | (Vx_pixel_size_width_font_regexp, names[i])) | |
dc43ef94 KH |
13655 | >= 0)) |
13656 | /* We can set the value of PIXEL_SIZE to the | |
b5210ea7 | 13657 | width of this font. */ |
dc43ef94 KH |
13658 | list = Fcons (Fcons (tem, make_number (width)), list); |
13659 | else | |
13660 | /* For the moment, width is not known. */ | |
13661 | list = Fcons (Fcons (tem, Qnil), list); | |
13662 | } | |
13663 | } | |
13664 | } | |
e38f4136 | 13665 | |
09c6077f | 13666 | if (!try_XLoadQueryFont) |
e38f4136 GM |
13667 | { |
13668 | BLOCK_INPUT; | |
13669 | XFreeFontNames (names); | |
13670 | UNBLOCK_INPUT; | |
13671 | } | |
dc43ef94 KH |
13672 | } |
13673 | ||
b5210ea7 | 13674 | /* Now store the result in the cache. */ |
f3fbd155 KR |
13675 | XSETCDR (dpyinfo->name_list_element, |
13676 | Fcons (Fcons (key, list), XCDR (dpyinfo->name_list_element))); | |
dc43ef94 | 13677 | |
b5210ea7 KH |
13678 | label_cached: |
13679 | if (NILP (list)) continue; /* Try the remaining alternatives. */ | |
dc43ef94 | 13680 | |
b5210ea7 KH |
13681 | newlist = second_best = Qnil; |
13682 | /* Make a list of the fonts that have the right width. */ | |
8e713be6 | 13683 | for (; CONSP (list); list = XCDR (list)) |
b5210ea7 | 13684 | { |
536f4067 RS |
13685 | int found_size; |
13686 | ||
8e713be6 | 13687 | tem = XCAR (list); |
dc43ef94 | 13688 | |
8e713be6 | 13689 | if (!CONSP (tem) || NILP (XCAR (tem))) |
b5210ea7 KH |
13690 | continue; |
13691 | if (!size) | |
13692 | { | |
8e713be6 | 13693 | newlist = Fcons (XCAR (tem), newlist); |
b5210ea7 KH |
13694 | continue; |
13695 | } | |
dc43ef94 | 13696 | |
8e713be6 | 13697 | if (!INTEGERP (XCDR (tem))) |
dc43ef94 | 13698 | { |
b5210ea7 | 13699 | /* Since we have not yet known the size of this font, we |
9c11f79e | 13700 | must try slow function call XLoadQueryFont. */ |
dc43ef94 KH |
13701 | XFontStruct *thisinfo; |
13702 | ||
13703 | BLOCK_INPUT; | |
17d85edc | 13704 | count = x_catch_errors (dpy); |
dc43ef94 | 13705 | thisinfo = XLoadQueryFont (dpy, |
8e713be6 | 13706 | XSTRING (XCAR (tem))->data); |
17d85edc KH |
13707 | if (x_had_errors_p (dpy)) |
13708 | { | |
13709 | /* This error is perhaps due to insufficient memory on X | |
13710 | server. Let's just ignore it. */ | |
13711 | thisinfo = NULL; | |
13712 | x_clear_errors (dpy); | |
13713 | } | |
13714 | x_uncatch_errors (dpy, count); | |
dc43ef94 KH |
13715 | UNBLOCK_INPUT; |
13716 | ||
13717 | if (thisinfo) | |
13718 | { | |
f3fbd155 KR |
13719 | XSETCDR (tem, |
13720 | (thisinfo->min_bounds.width == 0 | |
13721 | ? make_number (0) | |
13722 | : make_number (thisinfo->max_bounds.width))); | |
e38f4136 | 13723 | BLOCK_INPUT; |
dc43ef94 | 13724 | XFreeFont (dpy, thisinfo); |
e38f4136 | 13725 | UNBLOCK_INPUT; |
dc43ef94 KH |
13726 | } |
13727 | else | |
b5210ea7 | 13728 | /* For unknown reason, the previous call of XListFont had |
06a2c219 | 13729 | returned a font which can't be opened. Record the size |
b5210ea7 | 13730 | as 0 not to try to open it again. */ |
f3fbd155 | 13731 | XSETCDR (tem, make_number (0)); |
dc43ef94 | 13732 | } |
536f4067 | 13733 | |
8e713be6 | 13734 | found_size = XINT (XCDR (tem)); |
536f4067 | 13735 | if (found_size == size) |
8e713be6 | 13736 | newlist = Fcons (XCAR (tem), newlist); |
536f4067 | 13737 | else if (found_size > 0) |
b5210ea7 | 13738 | { |
536f4067 | 13739 | if (NILP (second_best)) |
b5210ea7 | 13740 | second_best = tem; |
536f4067 RS |
13741 | else if (found_size < size) |
13742 | { | |
8e713be6 KR |
13743 | if (XINT (XCDR (second_best)) > size |
13744 | || XINT (XCDR (second_best)) < found_size) | |
536f4067 RS |
13745 | second_best = tem; |
13746 | } | |
13747 | else | |
13748 | { | |
8e713be6 KR |
13749 | if (XINT (XCDR (second_best)) > size |
13750 | && XINT (XCDR (second_best)) > found_size) | |
536f4067 RS |
13751 | second_best = tem; |
13752 | } | |
b5210ea7 KH |
13753 | } |
13754 | } | |
13755 | if (!NILP (newlist)) | |
13756 | break; | |
13757 | else if (!NILP (second_best)) | |
13758 | { | |
8e713be6 | 13759 | newlist = Fcons (XCAR (second_best), Qnil); |
b5210ea7 | 13760 | break; |
dc43ef94 | 13761 | } |
dc43ef94 KH |
13762 | } |
13763 | ||
13764 | return newlist; | |
13765 | } | |
13766 | ||
06a2c219 GM |
13767 | |
13768 | #if GLYPH_DEBUG | |
13769 | ||
13770 | /* Check that FONT is valid on frame F. It is if it can be found in F's | |
13771 | font table. */ | |
13772 | ||
13773 | static void | |
13774 | x_check_font (f, font) | |
13775 | struct frame *f; | |
13776 | XFontStruct *font; | |
13777 | { | |
13778 | int i; | |
13779 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
13780 | ||
13781 | xassert (font != NULL); | |
13782 | ||
13783 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
13784 | if (dpyinfo->font_table[i].name | |
13785 | && font == dpyinfo->font_table[i].font) | |
13786 | break; | |
13787 | ||
13788 | xassert (i < dpyinfo->n_fonts); | |
13789 | } | |
13790 | ||
13791 | #endif /* GLYPH_DEBUG != 0 */ | |
13792 | ||
13793 | /* Set *W to the minimum width, *H to the minimum font height of FONT. | |
13794 | Note: There are (broken) X fonts out there with invalid XFontStruct | |
13795 | min_bounds contents. For example, handa@etl.go.jp reports that | |
13796 | "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts | |
13797 | have font->min_bounds.width == 0. */ | |
13798 | ||
13799 | static INLINE void | |
13800 | x_font_min_bounds (font, w, h) | |
13801 | XFontStruct *font; | |
13802 | int *w, *h; | |
13803 | { | |
13804 | *h = FONT_HEIGHT (font); | |
13805 | *w = font->min_bounds.width; | |
13806 | ||
13807 | /* Try to handle the case where FONT->min_bounds has invalid | |
13808 | contents. Since the only font known to have invalid min_bounds | |
13809 | is fixed-width, use max_bounds if min_bounds seems to be invalid. */ | |
13810 | if (*w <= 0) | |
13811 | *w = font->max_bounds.width; | |
13812 | } | |
13813 | ||
13814 | ||
13815 | /* Compute the smallest character width and smallest font height over | |
13816 | all fonts available on frame F. Set the members smallest_char_width | |
13817 | and smallest_font_height in F's x_display_info structure to | |
13818 | the values computed. Value is non-zero if smallest_font_height or | |
13819 | smallest_char_width become smaller than they were before. */ | |
13820 | ||
13821 | static int | |
13822 | x_compute_min_glyph_bounds (f) | |
13823 | struct frame *f; | |
13824 | { | |
13825 | int i; | |
13826 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
13827 | XFontStruct *font; | |
13828 | int old_width = dpyinfo->smallest_char_width; | |
13829 | int old_height = dpyinfo->smallest_font_height; | |
13830 | ||
13831 | dpyinfo->smallest_font_height = 100000; | |
13832 | dpyinfo->smallest_char_width = 100000; | |
13833 | ||
13834 | for (i = 0; i < dpyinfo->n_fonts; ++i) | |
13835 | if (dpyinfo->font_table[i].name) | |
13836 | { | |
13837 | struct font_info *fontp = dpyinfo->font_table + i; | |
13838 | int w, h; | |
13839 | ||
13840 | font = (XFontStruct *) fontp->font; | |
13841 | xassert (font != (XFontStruct *) ~0); | |
13842 | x_font_min_bounds (font, &w, &h); | |
13843 | ||
13844 | dpyinfo->smallest_font_height = min (dpyinfo->smallest_font_height, h); | |
13845 | dpyinfo->smallest_char_width = min (dpyinfo->smallest_char_width, w); | |
13846 | } | |
13847 | ||
13848 | xassert (dpyinfo->smallest_char_width > 0 | |
13849 | && dpyinfo->smallest_font_height > 0); | |
13850 | ||
13851 | return (dpyinfo->n_fonts == 1 | |
13852 | || dpyinfo->smallest_char_width < old_width | |
13853 | || dpyinfo->smallest_font_height < old_height); | |
13854 | } | |
13855 | ||
13856 | ||
dc43ef94 KH |
13857 | /* Load font named FONTNAME of the size SIZE for frame F, and return a |
13858 | pointer to the structure font_info while allocating it dynamically. | |
13859 | If SIZE is 0, load any size of font. | |
13860 | If loading is failed, return NULL. */ | |
13861 | ||
13862 | struct font_info * | |
13863 | x_load_font (f, fontname, size) | |
13864 | struct frame *f; | |
13865 | register char *fontname; | |
13866 | int size; | |
13867 | { | |
13868 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
13869 | Lisp_Object font_names; | |
d645aaa4 | 13870 | int count; |
dc43ef94 KH |
13871 | |
13872 | /* Get a list of all the fonts that match this name. Once we | |
13873 | have a list of matching fonts, we compare them against the fonts | |
13874 | we already have by comparing names. */ | |
09c6077f | 13875 | font_names = x_list_fonts (f, build_string (fontname), size, 1); |
dc43ef94 KH |
13876 | |
13877 | if (!NILP (font_names)) | |
13878 | { | |
13879 | Lisp_Object tail; | |
13880 | int i; | |
13881 | ||
13882 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
8e713be6 | 13883 | for (tail = font_names; CONSP (tail); tail = XCDR (tail)) |
06a2c219 GM |
13884 | if (dpyinfo->font_table[i].name |
13885 | && (!strcmp (dpyinfo->font_table[i].name, | |
8e713be6 | 13886 | XSTRING (XCAR (tail))->data) |
06a2c219 | 13887 | || !strcmp (dpyinfo->font_table[i].full_name, |
8e713be6 | 13888 | XSTRING (XCAR (tail))->data))) |
dc43ef94 KH |
13889 | return (dpyinfo->font_table + i); |
13890 | } | |
13891 | ||
13892 | /* Load the font and add it to the table. */ | |
13893 | { | |
13894 | char *full_name; | |
13895 | XFontStruct *font; | |
13896 | struct font_info *fontp; | |
13897 | unsigned long value; | |
06a2c219 | 13898 | int i; |
dc43ef94 | 13899 | |
2da424f1 KH |
13900 | /* If we have found fonts by x_list_font, load one of them. If |
13901 | not, we still try to load a font by the name given as FONTNAME | |
13902 | because XListFonts (called in x_list_font) of some X server has | |
13903 | a bug of not finding a font even if the font surely exists and | |
13904 | is loadable by XLoadQueryFont. */ | |
e1d6d5b9 | 13905 | if (size > 0 && !NILP (font_names)) |
8e713be6 | 13906 | fontname = (char *) XSTRING (XCAR (font_names))->data; |
dc43ef94 KH |
13907 | |
13908 | BLOCK_INPUT; | |
d645aaa4 | 13909 | count = x_catch_errors (FRAME_X_DISPLAY (f)); |
dc43ef94 | 13910 | font = (XFontStruct *) XLoadQueryFont (FRAME_X_DISPLAY (f), fontname); |
d645aaa4 KH |
13911 | if (x_had_errors_p (FRAME_X_DISPLAY (f))) |
13912 | { | |
13913 | /* This error is perhaps due to insufficient memory on X | |
13914 | server. Let's just ignore it. */ | |
13915 | font = NULL; | |
13916 | x_clear_errors (FRAME_X_DISPLAY (f)); | |
13917 | } | |
13918 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); | |
dc43ef94 | 13919 | UNBLOCK_INPUT; |
b5210ea7 | 13920 | if (!font) |
dc43ef94 KH |
13921 | return NULL; |
13922 | ||
06a2c219 GM |
13923 | /* Find a free slot in the font table. */ |
13924 | for (i = 0; i < dpyinfo->n_fonts; ++i) | |
13925 | if (dpyinfo->font_table[i].name == NULL) | |
13926 | break; | |
13927 | ||
13928 | /* If no free slot found, maybe enlarge the font table. */ | |
13929 | if (i == dpyinfo->n_fonts | |
13930 | && dpyinfo->n_fonts == dpyinfo->font_table_size) | |
dc43ef94 | 13931 | { |
06a2c219 GM |
13932 | int sz; |
13933 | dpyinfo->font_table_size = max (16, 2 * dpyinfo->font_table_size); | |
13934 | sz = dpyinfo->font_table_size * sizeof *dpyinfo->font_table; | |
dc43ef94 | 13935 | dpyinfo->font_table |
06a2c219 | 13936 | = (struct font_info *) xrealloc (dpyinfo->font_table, sz); |
dc43ef94 KH |
13937 | } |
13938 | ||
06a2c219 GM |
13939 | fontp = dpyinfo->font_table + i; |
13940 | if (i == dpyinfo->n_fonts) | |
13941 | ++dpyinfo->n_fonts; | |
dc43ef94 KH |
13942 | |
13943 | /* Now fill in the slots of *FONTP. */ | |
13944 | BLOCK_INPUT; | |
13945 | fontp->font = font; | |
06a2c219 | 13946 | fontp->font_idx = i; |
dc43ef94 KH |
13947 | fontp->name = (char *) xmalloc (strlen (fontname) + 1); |
13948 | bcopy (fontname, fontp->name, strlen (fontname) + 1); | |
13949 | ||
13950 | /* Try to get the full name of FONT. Put it in FULL_NAME. */ | |
13951 | full_name = 0; | |
13952 | if (XGetFontProperty (font, XA_FONT, &value)) | |
13953 | { | |
13954 | char *name = (char *) XGetAtomName (FRAME_X_DISPLAY (f), (Atom) value); | |
13955 | char *p = name; | |
13956 | int dashes = 0; | |
13957 | ||
13958 | /* Count the number of dashes in the "full name". | |
13959 | If it is too few, this isn't really the font's full name, | |
13960 | so don't use it. | |
13961 | In X11R4, the fonts did not come with their canonical names | |
13962 | stored in them. */ | |
13963 | while (*p) | |
13964 | { | |
13965 | if (*p == '-') | |
13966 | dashes++; | |
13967 | p++; | |
13968 | } | |
13969 | ||
13970 | if (dashes >= 13) | |
13971 | { | |
13972 | full_name = (char *) xmalloc (p - name + 1); | |
13973 | bcopy (name, full_name, p - name + 1); | |
13974 | } | |
13975 | ||
13976 | XFree (name); | |
13977 | } | |
13978 | ||
13979 | if (full_name != 0) | |
13980 | fontp->full_name = full_name; | |
13981 | else | |
13982 | fontp->full_name = fontp->name; | |
13983 | ||
13984 | fontp->size = font->max_bounds.width; | |
d5749adb | 13985 | fontp->height = FONT_HEIGHT (font); |
dc43ef94 | 13986 | |
2da424f1 KH |
13987 | if (NILP (font_names)) |
13988 | { | |
13989 | /* We come here because of a bug of XListFonts mentioned at | |
13990 | the head of this block. Let's store this information in | |
13991 | the cache for x_list_fonts. */ | |
13992 | Lisp_Object lispy_name = build_string (fontname); | |
13993 | Lisp_Object lispy_full_name = build_string (fontp->full_name); | |
9c11f79e GM |
13994 | Lisp_Object key = Fcons (Fcons (lispy_name, make_number (256)), |
13995 | Qnil); | |
2da424f1 | 13996 | |
f3fbd155 KR |
13997 | XSETCDR (dpyinfo->name_list_element, |
13998 | Fcons (Fcons (key, | |
13999 | Fcons (Fcons (lispy_full_name, | |
14000 | make_number (fontp->size)), | |
14001 | Qnil)), | |
14002 | XCDR (dpyinfo->name_list_element))); | |
2da424f1 | 14003 | if (full_name) |
9c11f79e GM |
14004 | { |
14005 | key = Fcons (Fcons (lispy_full_name, make_number (256)), | |
14006 | Qnil); | |
f3fbd155 KR |
14007 | XSETCDR (dpyinfo->name_list_element, |
14008 | Fcons (Fcons (key, | |
14009 | Fcons (Fcons (lispy_full_name, | |
14010 | make_number (fontp->size)), | |
14011 | Qnil)), | |
14012 | XCDR (dpyinfo->name_list_element))); | |
9c11f79e | 14013 | } |
2da424f1 KH |
14014 | } |
14015 | ||
dc43ef94 KH |
14016 | /* The slot `encoding' specifies how to map a character |
14017 | code-points (0x20..0x7F or 0x2020..0x7F7F) of each charset to | |
ee569018 KH |
14018 | the font code-points (0:0x20..0x7F, 1:0xA0..0xFF), or |
14019 | (0:0x2020..0x7F7F, 1:0xA0A0..0xFFFF, 3:0x20A0..0x7FFF, | |
8ff102bd | 14020 | 2:0xA020..0xFF7F). For the moment, we don't know which charset |
06a2c219 | 14021 | uses this font. So, we set information in fontp->encoding[1] |
8ff102bd RS |
14022 | which is never used by any charset. If mapping can't be |
14023 | decided, set FONT_ENCODING_NOT_DECIDED. */ | |
dc43ef94 KH |
14024 | fontp->encoding[1] |
14025 | = (font->max_byte1 == 0 | |
14026 | /* 1-byte font */ | |
14027 | ? (font->min_char_or_byte2 < 0x80 | |
14028 | ? (font->max_char_or_byte2 < 0x80 | |
14029 | ? 0 /* 0x20..0x7F */ | |
8ff102bd | 14030 | : FONT_ENCODING_NOT_DECIDED) /* 0x20..0xFF */ |
dc43ef94 KH |
14031 | : 1) /* 0xA0..0xFF */ |
14032 | /* 2-byte font */ | |
14033 | : (font->min_byte1 < 0x80 | |
14034 | ? (font->max_byte1 < 0x80 | |
14035 | ? (font->min_char_or_byte2 < 0x80 | |
14036 | ? (font->max_char_or_byte2 < 0x80 | |
14037 | ? 0 /* 0x2020..0x7F7F */ | |
8ff102bd | 14038 | : FONT_ENCODING_NOT_DECIDED) /* 0x2020..0x7FFF */ |
dc43ef94 | 14039 | : 3) /* 0x20A0..0x7FFF */ |
8ff102bd | 14040 | : FONT_ENCODING_NOT_DECIDED) /* 0x20??..0xA0?? */ |
dc43ef94 KH |
14041 | : (font->min_char_or_byte2 < 0x80 |
14042 | ? (font->max_char_or_byte2 < 0x80 | |
14043 | ? 2 /* 0xA020..0xFF7F */ | |
8ff102bd | 14044 | : FONT_ENCODING_NOT_DECIDED) /* 0xA020..0xFFFF */ |
dc43ef94 KH |
14045 | : 1))); /* 0xA0A0..0xFFFF */ |
14046 | ||
14047 | fontp->baseline_offset | |
14048 | = (XGetFontProperty (font, dpyinfo->Xatom_MULE_BASELINE_OFFSET, &value) | |
14049 | ? (long) value : 0); | |
14050 | fontp->relative_compose | |
14051 | = (XGetFontProperty (font, dpyinfo->Xatom_MULE_RELATIVE_COMPOSE, &value) | |
14052 | ? (long) value : 0); | |
f78798df KH |
14053 | fontp->default_ascent |
14054 | = (XGetFontProperty (font, dpyinfo->Xatom_MULE_DEFAULT_ASCENT, &value) | |
14055 | ? (long) value : 0); | |
dc43ef94 | 14056 | |
06a2c219 GM |
14057 | /* Set global flag fonts_changed_p to non-zero if the font loaded |
14058 | has a character with a smaller width than any other character | |
14059 | before, or if the font loaded has a smalle>r height than any | |
14060 | other font loaded before. If this happens, it will make a | |
14061 | glyph matrix reallocation necessary. */ | |
14062 | fonts_changed_p = x_compute_min_glyph_bounds (f); | |
dc43ef94 | 14063 | UNBLOCK_INPUT; |
dc43ef94 KH |
14064 | return fontp; |
14065 | } | |
14066 | } | |
14067 | ||
06a2c219 GM |
14068 | |
14069 | /* Return a pointer to struct font_info of a font named FONTNAME for | |
14070 | frame F. If no such font is loaded, return NULL. */ | |
14071 | ||
dc43ef94 KH |
14072 | struct font_info * |
14073 | x_query_font (f, fontname) | |
14074 | struct frame *f; | |
14075 | register char *fontname; | |
14076 | { | |
14077 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
14078 | int i; | |
14079 | ||
14080 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
06a2c219 GM |
14081 | if (dpyinfo->font_table[i].name |
14082 | && (!strcmp (dpyinfo->font_table[i].name, fontname) | |
14083 | || !strcmp (dpyinfo->font_table[i].full_name, fontname))) | |
dc43ef94 KH |
14084 | return (dpyinfo->font_table + i); |
14085 | return NULL; | |
14086 | } | |
14087 | ||
06a2c219 GM |
14088 | |
14089 | /* Find a CCL program for a font specified by FONTP, and set the member | |
a6582676 KH |
14090 | `encoder' of the structure. */ |
14091 | ||
14092 | void | |
14093 | x_find_ccl_program (fontp) | |
14094 | struct font_info *fontp; | |
14095 | { | |
a42f54e6 | 14096 | Lisp_Object list, elt; |
a6582676 | 14097 | |
f9b5db02 | 14098 | elt = Qnil; |
8e713be6 | 14099 | for (list = Vfont_ccl_encoder_alist; CONSP (list); list = XCDR (list)) |
a6582676 | 14100 | { |
8e713be6 | 14101 | elt = XCAR (list); |
a6582676 | 14102 | if (CONSP (elt) |
8e713be6 | 14103 | && STRINGP (XCAR (elt)) |
9f2feff6 KH |
14104 | && ((fast_c_string_match_ignore_case (XCAR (elt), fontp->name) |
14105 | >= 0) | |
14106 | || (fast_c_string_match_ignore_case (XCAR (elt), fontp->full_name) | |
14107 | >= 0))) | |
a42f54e6 KH |
14108 | break; |
14109 | } | |
f9b5db02 | 14110 | |
a42f54e6 KH |
14111 | if (! NILP (list)) |
14112 | { | |
d27f8ca7 KH |
14113 | struct ccl_program *ccl |
14114 | = (struct ccl_program *) xmalloc (sizeof (struct ccl_program)); | |
a42f54e6 | 14115 | |
8e713be6 | 14116 | if (setup_ccl_program (ccl, XCDR (elt)) < 0) |
a42f54e6 KH |
14117 | xfree (ccl); |
14118 | else | |
14119 | fontp->font_encoder = ccl; | |
a6582676 KH |
14120 | } |
14121 | } | |
14122 | ||
06a2c219 | 14123 | |
dc43ef94 | 14124 | \f |
06a2c219 GM |
14125 | /*********************************************************************** |
14126 | Initialization | |
14127 | ***********************************************************************/ | |
f451eb13 | 14128 | |
3afe33e7 RS |
14129 | #ifdef USE_X_TOOLKIT |
14130 | static XrmOptionDescRec emacs_options[] = { | |
14131 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
14132 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
14133 | ||
14134 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
14135 | XrmoptionSepArg, NULL}, | |
14136 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
14137 | ||
14138 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
14139 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
14140 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
14141 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
14142 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
14143 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
14144 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
14145 | }; | |
14146 | #endif /* USE_X_TOOLKIT */ | |
14147 | ||
7a13e894 RS |
14148 | static int x_initialized; |
14149 | ||
29b38361 KH |
14150 | #ifdef MULTI_KBOARD |
14151 | /* Test whether two display-name strings agree up to the dot that separates | |
14152 | the screen number from the server number. */ | |
14153 | static int | |
14154 | same_x_server (name1, name2) | |
14155 | char *name1, *name2; | |
14156 | { | |
14157 | int seen_colon = 0; | |
cf591cc1 RS |
14158 | unsigned char *system_name = XSTRING (Vsystem_name)->data; |
14159 | int system_name_length = strlen (system_name); | |
14160 | int length_until_period = 0; | |
14161 | ||
14162 | while (system_name[length_until_period] != 0 | |
14163 | && system_name[length_until_period] != '.') | |
14164 | length_until_period++; | |
14165 | ||
14166 | /* Treat `unix' like an empty host name. */ | |
14167 | if (! strncmp (name1, "unix:", 5)) | |
14168 | name1 += 4; | |
14169 | if (! strncmp (name2, "unix:", 5)) | |
14170 | name2 += 4; | |
14171 | /* Treat this host's name like an empty host name. */ | |
14172 | if (! strncmp (name1, system_name, system_name_length) | |
14173 | && name1[system_name_length] == ':') | |
14174 | name1 += system_name_length; | |
14175 | if (! strncmp (name2, system_name, system_name_length) | |
14176 | && name2[system_name_length] == ':') | |
14177 | name2 += system_name_length; | |
14178 | /* Treat this host's domainless name like an empty host name. */ | |
14179 | if (! strncmp (name1, system_name, length_until_period) | |
14180 | && name1[length_until_period] == ':') | |
14181 | name1 += length_until_period; | |
14182 | if (! strncmp (name2, system_name, length_until_period) | |
14183 | && name2[length_until_period] == ':') | |
14184 | name2 += length_until_period; | |
14185 | ||
29b38361 KH |
14186 | for (; *name1 != '\0' && *name1 == *name2; name1++, name2++) |
14187 | { | |
14188 | if (*name1 == ':') | |
14189 | seen_colon++; | |
14190 | if (seen_colon && *name1 == '.') | |
14191 | return 1; | |
14192 | } | |
14193 | return (seen_colon | |
14194 | && (*name1 == '.' || *name1 == '\0') | |
14195 | && (*name2 == '.' || *name2 == '\0')); | |
14196 | } | |
14197 | #endif | |
14198 | ||
334208b7 | 14199 | struct x_display_info * |
1f8255f2 | 14200 | x_term_init (display_name, xrm_option, resource_name) |
334208b7 | 14201 | Lisp_Object display_name; |
1f8255f2 RS |
14202 | char *xrm_option; |
14203 | char *resource_name; | |
dc6f92b8 | 14204 | { |
334208b7 | 14205 | int connection; |
7a13e894 | 14206 | Display *dpy; |
334208b7 RS |
14207 | struct x_display_info *dpyinfo; |
14208 | XrmDatabase xrdb; | |
14209 | ||
60439948 KH |
14210 | BLOCK_INPUT; |
14211 | ||
7a13e894 RS |
14212 | if (!x_initialized) |
14213 | { | |
14214 | x_initialize (); | |
14215 | x_initialized = 1; | |
14216 | } | |
dc6f92b8 | 14217 | |
3afe33e7 | 14218 | #ifdef USE_X_TOOLKIT |
2d7fc7e8 RS |
14219 | /* weiner@footloose.sps.mot.com reports that this causes |
14220 | errors with X11R5: | |
14221 | X protocol error: BadAtom (invalid Atom parameter) | |
14222 | on protocol request 18skiloaf. | |
14223 | So let's not use it until R6. */ | |
14224 | #ifdef HAVE_X11XTR6 | |
bdcd49ba RS |
14225 | XtSetLanguageProc (NULL, NULL, NULL); |
14226 | #endif | |
14227 | ||
7f9c7f94 RS |
14228 | { |
14229 | int argc = 0; | |
14230 | char *argv[3]; | |
14231 | ||
14232 | argv[0] = ""; | |
14233 | argc = 1; | |
14234 | if (xrm_option) | |
14235 | { | |
14236 | argv[argc++] = "-xrm"; | |
14237 | argv[argc++] = xrm_option; | |
14238 | } | |
14239 | dpy = XtOpenDisplay (Xt_app_con, XSTRING (display_name)->data, | |
14240 | resource_name, EMACS_CLASS, | |
14241 | emacs_options, XtNumber (emacs_options), | |
14242 | &argc, argv); | |
39d8bb4d KH |
14243 | |
14244 | #ifdef HAVE_X11XTR6 | |
10537cb1 | 14245 | /* I think this is to compensate for XtSetLanguageProc. */ |
71f8198a | 14246 | fixup_locale (); |
39d8bb4d | 14247 | #endif |
7f9c7f94 | 14248 | } |
3afe33e7 RS |
14249 | |
14250 | #else /* not USE_X_TOOLKIT */ | |
bdcd49ba RS |
14251 | #ifdef HAVE_X11R5 |
14252 | XSetLocaleModifiers (""); | |
14253 | #endif | |
7a13e894 | 14254 | dpy = XOpenDisplay (XSTRING (display_name)->data); |
3afe33e7 | 14255 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 14256 | |
7a13e894 RS |
14257 | /* Detect failure. */ |
14258 | if (dpy == 0) | |
60439948 KH |
14259 | { |
14260 | UNBLOCK_INPUT; | |
14261 | return 0; | |
14262 | } | |
7a13e894 RS |
14263 | |
14264 | /* We have definitely succeeded. Record the new connection. */ | |
14265 | ||
14266 | dpyinfo = (struct x_display_info *) xmalloc (sizeof (struct x_display_info)); | |
f04e1297 | 14267 | bzero (dpyinfo, sizeof *dpyinfo); |
7a13e894 | 14268 | |
29b38361 KH |
14269 | #ifdef MULTI_KBOARD |
14270 | { | |
14271 | struct x_display_info *share; | |
14272 | Lisp_Object tail; | |
14273 | ||
14274 | for (share = x_display_list, tail = x_display_name_list; share; | |
8e713be6 KR |
14275 | share = share->next, tail = XCDR (tail)) |
14276 | if (same_x_server (XSTRING (XCAR (XCAR (tail)))->data, | |
29b38361 KH |
14277 | XSTRING (display_name)->data)) |
14278 | break; | |
14279 | if (share) | |
14280 | dpyinfo->kboard = share->kboard; | |
14281 | else | |
14282 | { | |
14283 | dpyinfo->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); | |
14284 | init_kboard (dpyinfo->kboard); | |
59e755be KH |
14285 | if (!EQ (XSYMBOL (Qvendor_specific_keysyms)->function, Qunbound)) |
14286 | { | |
14287 | char *vendor = ServerVendor (dpy); | |
9b6ed9f3 | 14288 | UNBLOCK_INPUT; |
59e755be KH |
14289 | dpyinfo->kboard->Vsystem_key_alist |
14290 | = call1 (Qvendor_specific_keysyms, | |
14291 | build_string (vendor ? vendor : "")); | |
9b6ed9f3 | 14292 | BLOCK_INPUT; |
59e755be KH |
14293 | } |
14294 | ||
29b38361 KH |
14295 | dpyinfo->kboard->next_kboard = all_kboards; |
14296 | all_kboards = dpyinfo->kboard; | |
0ad5446c KH |
14297 | /* Don't let the initial kboard remain current longer than necessary. |
14298 | That would cause problems if a file loaded on startup tries to | |
06a2c219 | 14299 | prompt in the mini-buffer. */ |
0ad5446c KH |
14300 | if (current_kboard == initial_kboard) |
14301 | current_kboard = dpyinfo->kboard; | |
29b38361 KH |
14302 | } |
14303 | dpyinfo->kboard->reference_count++; | |
14304 | } | |
b9737ad3 KH |
14305 | #endif |
14306 | ||
7a13e894 RS |
14307 | /* Put this display on the chain. */ |
14308 | dpyinfo->next = x_display_list; | |
14309 | x_display_list = dpyinfo; | |
14310 | ||
14311 | /* Put it on x_display_name_list as well, to keep them parallel. */ | |
14312 | x_display_name_list = Fcons (Fcons (display_name, Qnil), | |
14313 | x_display_name_list); | |
8e713be6 | 14314 | dpyinfo->name_list_element = XCAR (x_display_name_list); |
7a13e894 RS |
14315 | |
14316 | dpyinfo->display = dpy; | |
dc6f92b8 | 14317 | |
dc6f92b8 | 14318 | #if 0 |
7a13e894 | 14319 | XSetAfterFunction (x_current_display, x_trace_wire); |
c118dd06 | 14320 | #endif /* ! 0 */ |
7a13e894 RS |
14321 | |
14322 | dpyinfo->x_id_name | |
fc932ac6 RS |
14323 | = (char *) xmalloc (STRING_BYTES (XSTRING (Vinvocation_name)) |
14324 | + STRING_BYTES (XSTRING (Vsystem_name)) | |
7a13e894 RS |
14325 | + 2); |
14326 | sprintf (dpyinfo->x_id_name, "%s@%s", | |
14327 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
28430d3c JB |
14328 | |
14329 | /* Figure out which modifier bits mean what. */ | |
334208b7 | 14330 | x_find_modifier_meanings (dpyinfo); |
f451eb13 | 14331 | |
ab648270 | 14332 | /* Get the scroll bar cursor. */ |
7a13e894 | 14333 | dpyinfo->vertical_scroll_bar_cursor |
334208b7 | 14334 | = XCreateFontCursor (dpyinfo->display, XC_sb_v_double_arrow); |
f451eb13 | 14335 | |
334208b7 RS |
14336 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
14337 | resource_name, EMACS_CLASS); | |
14338 | #ifdef HAVE_XRMSETDATABASE | |
14339 | XrmSetDatabase (dpyinfo->display, xrdb); | |
14340 | #else | |
14341 | dpyinfo->display->db = xrdb; | |
14342 | #endif | |
547d9db8 | 14343 | /* Put the rdb where we can find it in a way that works on |
7a13e894 RS |
14344 | all versions. */ |
14345 | dpyinfo->xrdb = xrdb; | |
334208b7 RS |
14346 | |
14347 | dpyinfo->screen = ScreenOfDisplay (dpyinfo->display, | |
14348 | DefaultScreen (dpyinfo->display)); | |
5ff67d81 | 14349 | select_visual (dpyinfo); |
43bd1b2b | 14350 | dpyinfo->cmap = DefaultColormapOfScreen (dpyinfo->screen); |
334208b7 RS |
14351 | dpyinfo->height = HeightOfScreen (dpyinfo->screen); |
14352 | dpyinfo->width = WidthOfScreen (dpyinfo->screen); | |
14353 | dpyinfo->root_window = RootWindowOfScreen (dpyinfo->screen); | |
14354 | dpyinfo->grabbed = 0; | |
14355 | dpyinfo->reference_count = 0; | |
14356 | dpyinfo->icon_bitmap_id = -1; | |
06a2c219 | 14357 | dpyinfo->font_table = NULL; |
7a13e894 RS |
14358 | dpyinfo->n_fonts = 0; |
14359 | dpyinfo->font_table_size = 0; | |
14360 | dpyinfo->bitmaps = 0; | |
14361 | dpyinfo->bitmaps_size = 0; | |
14362 | dpyinfo->bitmaps_last = 0; | |
14363 | dpyinfo->scratch_cursor_gc = 0; | |
14364 | dpyinfo->mouse_face_mouse_frame = 0; | |
14365 | dpyinfo->mouse_face_deferred_gc = 0; | |
14366 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
14367 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
06a2c219 | 14368 | dpyinfo->mouse_face_face_id = DEFAULT_FACE_ID; |
7a13e894 | 14369 | dpyinfo->mouse_face_window = Qnil; |
0a61c667 | 14370 | dpyinfo->mouse_face_overlay = Qnil; |
7a13e894 RS |
14371 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; |
14372 | dpyinfo->mouse_face_defer = 0; | |
0f941935 KH |
14373 | dpyinfo->x_focus_frame = 0; |
14374 | dpyinfo->x_focus_event_frame = 0; | |
14375 | dpyinfo->x_highlight_frame = 0; | |
06a2c219 | 14376 | dpyinfo->image_cache = make_image_cache (); |
334208b7 | 14377 | |
43bd1b2b | 14378 | /* See if a private colormap is requested. */ |
5ff67d81 GM |
14379 | if (dpyinfo->visual == DefaultVisualOfScreen (dpyinfo->screen)) |
14380 | { | |
14381 | if (dpyinfo->visual->class == PseudoColor) | |
14382 | { | |
14383 | Lisp_Object value; | |
14384 | value = display_x_get_resource (dpyinfo, | |
14385 | build_string ("privateColormap"), | |
14386 | build_string ("PrivateColormap"), | |
14387 | Qnil, Qnil); | |
14388 | if (STRINGP (value) | |
14389 | && (!strcmp (XSTRING (value)->data, "true") | |
14390 | || !strcmp (XSTRING (value)->data, "on"))) | |
14391 | dpyinfo->cmap = XCopyColormapAndFree (dpyinfo->display, dpyinfo->cmap); | |
14392 | } | |
43bd1b2b | 14393 | } |
5ff67d81 GM |
14394 | else |
14395 | dpyinfo->cmap = XCreateColormap (dpyinfo->display, dpyinfo->root_window, | |
14396 | dpyinfo->visual, AllocNone); | |
43bd1b2b | 14397 | |
06a2c219 GM |
14398 | { |
14399 | int screen_number = XScreenNumberOfScreen (dpyinfo->screen); | |
14400 | double pixels = DisplayHeight (dpyinfo->display, screen_number); | |
14401 | double mm = DisplayHeightMM (dpyinfo->display, screen_number); | |
14402 | dpyinfo->resy = pixels * 25.4 / mm; | |
14403 | pixels = DisplayWidth (dpyinfo->display, screen_number); | |
14404 | mm = DisplayWidthMM (dpyinfo->display, screen_number); | |
14405 | dpyinfo->resx = pixels * 25.4 / mm; | |
14406 | } | |
14407 | ||
334208b7 RS |
14408 | dpyinfo->Xatom_wm_protocols |
14409 | = XInternAtom (dpyinfo->display, "WM_PROTOCOLS", False); | |
14410 | dpyinfo->Xatom_wm_take_focus | |
14411 | = XInternAtom (dpyinfo->display, "WM_TAKE_FOCUS", False); | |
14412 | dpyinfo->Xatom_wm_save_yourself | |
14413 | = XInternAtom (dpyinfo->display, "WM_SAVE_YOURSELF", False); | |
14414 | dpyinfo->Xatom_wm_delete_window | |
14415 | = XInternAtom (dpyinfo->display, "WM_DELETE_WINDOW", False); | |
14416 | dpyinfo->Xatom_wm_change_state | |
14417 | = XInternAtom (dpyinfo->display, "WM_CHANGE_STATE", False); | |
14418 | dpyinfo->Xatom_wm_configure_denied | |
14419 | = XInternAtom (dpyinfo->display, "WM_CONFIGURE_DENIED", False); | |
14420 | dpyinfo->Xatom_wm_window_moved | |
14421 | = XInternAtom (dpyinfo->display, "WM_MOVED", False); | |
14422 | dpyinfo->Xatom_editres | |
14423 | = XInternAtom (dpyinfo->display, "Editres", False); | |
14424 | dpyinfo->Xatom_CLIPBOARD | |
14425 | = XInternAtom (dpyinfo->display, "CLIPBOARD", False); | |
14426 | dpyinfo->Xatom_TIMESTAMP | |
14427 | = XInternAtom (dpyinfo->display, "TIMESTAMP", False); | |
14428 | dpyinfo->Xatom_TEXT | |
14429 | = XInternAtom (dpyinfo->display, "TEXT", False); | |
dc43ef94 KH |
14430 | dpyinfo->Xatom_COMPOUND_TEXT |
14431 | = XInternAtom (dpyinfo->display, "COMPOUND_TEXT", False); | |
334208b7 RS |
14432 | dpyinfo->Xatom_DELETE |
14433 | = XInternAtom (dpyinfo->display, "DELETE", False); | |
14434 | dpyinfo->Xatom_MULTIPLE | |
14435 | = XInternAtom (dpyinfo->display, "MULTIPLE", False); | |
14436 | dpyinfo->Xatom_INCR | |
14437 | = XInternAtom (dpyinfo->display, "INCR", False); | |
14438 | dpyinfo->Xatom_EMACS_TMP | |
14439 | = XInternAtom (dpyinfo->display, "_EMACS_TMP_", False); | |
14440 | dpyinfo->Xatom_TARGETS | |
14441 | = XInternAtom (dpyinfo->display, "TARGETS", False); | |
14442 | dpyinfo->Xatom_NULL | |
14443 | = XInternAtom (dpyinfo->display, "NULL", False); | |
14444 | dpyinfo->Xatom_ATOM_PAIR | |
14445 | = XInternAtom (dpyinfo->display, "ATOM_PAIR", False); | |
dc43ef94 KH |
14446 | /* For properties of font. */ |
14447 | dpyinfo->Xatom_PIXEL_SIZE | |
14448 | = XInternAtom (dpyinfo->display, "PIXEL_SIZE", False); | |
14449 | dpyinfo->Xatom_MULE_BASELINE_OFFSET | |
14450 | = XInternAtom (dpyinfo->display, "_MULE_BASELINE_OFFSET", False); | |
14451 | dpyinfo->Xatom_MULE_RELATIVE_COMPOSE | |
14452 | = XInternAtom (dpyinfo->display, "_MULE_RELATIVE_COMPOSE", False); | |
f78798df KH |
14453 | dpyinfo->Xatom_MULE_DEFAULT_ASCENT |
14454 | = XInternAtom (dpyinfo->display, "_MULE_DEFAULT_ASCENT", False); | |
334208b7 | 14455 | |
06a2c219 GM |
14456 | /* Ghostscript support. */ |
14457 | dpyinfo->Xatom_PAGE = XInternAtom (dpyinfo->display, "PAGE", False); | |
14458 | dpyinfo->Xatom_DONE = XInternAtom (dpyinfo->display, "DONE", False); | |
14459 | ||
14460 | dpyinfo->Xatom_Scrollbar = XInternAtom (dpyinfo->display, "SCROLLBAR", | |
14461 | False); | |
14462 | ||
547d9db8 KH |
14463 | dpyinfo->cut_buffers_initialized = 0; |
14464 | ||
334208b7 RS |
14465 | connection = ConnectionNumber (dpyinfo->display); |
14466 | dpyinfo->connection = connection; | |
14467 | ||
dc43ef94 | 14468 | { |
5d7cc324 RS |
14469 | char null_bits[1]; |
14470 | ||
14471 | null_bits[0] = 0x00; | |
dc43ef94 KH |
14472 | |
14473 | dpyinfo->null_pixel | |
14474 | = XCreatePixmapFromBitmapData (dpyinfo->display, dpyinfo->root_window, | |
14475 | null_bits, 1, 1, (long) 0, (long) 0, | |
14476 | 1); | |
14477 | } | |
14478 | ||
06a2c219 GM |
14479 | { |
14480 | extern int gray_bitmap_width, gray_bitmap_height; | |
10659c77 | 14481 | extern char *gray_bitmap_bits; |
06a2c219 GM |
14482 | dpyinfo->gray |
14483 | = XCreatePixmapFromBitmapData (dpyinfo->display, dpyinfo->root_window, | |
14484 | gray_bitmap_bits, | |
14485 | gray_bitmap_width, gray_bitmap_height, | |
14486 | (unsigned long) 1, (unsigned long) 0, 1); | |
14487 | } | |
14488 | ||
f5d11644 GM |
14489 | #ifdef HAVE_X_I18N |
14490 | xim_initialize (dpyinfo, resource_name); | |
14491 | #endif | |
14492 | ||
87485d6f MW |
14493 | #ifdef subprocesses |
14494 | /* This is only needed for distinguishing keyboard and process input. */ | |
334208b7 | 14495 | if (connection != 0) |
7a13e894 | 14496 | add_keyboard_wait_descriptor (connection); |
87485d6f | 14497 | #endif |
6d4238f3 | 14498 | |
041b69ac | 14499 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 14500 | #ifdef F_SETOWN |
dc6f92b8 | 14501 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 | 14502 | /* stdin is a socket here */ |
334208b7 | 14503 | fcntl (connection, F_SETOWN, -getpid ()); |
c118dd06 | 14504 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
334208b7 | 14505 | fcntl (connection, F_SETOWN, getpid ()); |
c118dd06 JB |
14506 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
14507 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 14508 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
14509 | |
14510 | #ifdef SIGIO | |
eee20f6a KH |
14511 | if (interrupt_input) |
14512 | init_sigio (connection); | |
c118dd06 | 14513 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 14514 | |
51b592fb | 14515 | #ifdef USE_LUCID |
f8c39f51 | 14516 | #ifdef HAVE_X11R5 /* It seems X11R4 lacks XtCvtStringToFont, and XPointer. */ |
51b592fb RS |
14517 | /* Make sure that we have a valid font for dialog boxes |
14518 | so that Xt does not crash. */ | |
14519 | { | |
14520 | Display *dpy = dpyinfo->display; | |
14521 | XrmValue d, fr, to; | |
14522 | Font font; | |
e99db5a1 | 14523 | int count; |
51b592fb RS |
14524 | |
14525 | d.addr = (XPointer)&dpy; | |
14526 | d.size = sizeof (Display *); | |
14527 | fr.addr = XtDefaultFont; | |
14528 | fr.size = sizeof (XtDefaultFont); | |
14529 | to.size = sizeof (Font *); | |
14530 | to.addr = (XPointer)&font; | |
e99db5a1 | 14531 | count = x_catch_errors (dpy); |
51b592fb RS |
14532 | if (!XtCallConverter (dpy, XtCvtStringToFont, &d, 1, &fr, &to, NULL)) |
14533 | abort (); | |
14534 | if (x_had_errors_p (dpy) || !XQueryFont (dpy, font)) | |
14535 | XrmPutLineResource (&xrdb, "Emacs.dialog.*.font: 9x15"); | |
e99db5a1 | 14536 | x_uncatch_errors (dpy, count); |
51b592fb RS |
14537 | } |
14538 | #endif | |
f8c39f51 | 14539 | #endif |
51b592fb | 14540 | |
34e23e5a GM |
14541 | /* See if we should run in synchronous mode. This is useful |
14542 | for debugging X code. */ | |
14543 | { | |
14544 | Lisp_Object value; | |
14545 | value = display_x_get_resource (dpyinfo, | |
14546 | build_string ("synchronous"), | |
14547 | build_string ("Synchronous"), | |
14548 | Qnil, Qnil); | |
14549 | if (STRINGP (value) | |
14550 | && (!strcmp (XSTRING (value)->data, "true") | |
14551 | || !strcmp (XSTRING (value)->data, "on"))) | |
14552 | XSynchronize (dpyinfo->display, True); | |
14553 | } | |
14554 | ||
60439948 KH |
14555 | UNBLOCK_INPUT; |
14556 | ||
7a13e894 RS |
14557 | return dpyinfo; |
14558 | } | |
14559 | \f | |
14560 | /* Get rid of display DPYINFO, assuming all frames are already gone, | |
14561 | and without sending any more commands to the X server. */ | |
dc6f92b8 | 14562 | |
7a13e894 RS |
14563 | void |
14564 | x_delete_display (dpyinfo) | |
14565 | struct x_display_info *dpyinfo; | |
14566 | { | |
14567 | delete_keyboard_wait_descriptor (dpyinfo->connection); | |
14568 | ||
14569 | /* Discard this display from x_display_name_list and x_display_list. | |
14570 | We can't use Fdelq because that can quit. */ | |
14571 | if (! NILP (x_display_name_list) | |
8e713be6 KR |
14572 | && EQ (XCAR (x_display_name_list), dpyinfo->name_list_element)) |
14573 | x_display_name_list = XCDR (x_display_name_list); | |
7a13e894 RS |
14574 | else |
14575 | { | |
14576 | Lisp_Object tail; | |
14577 | ||
14578 | tail = x_display_name_list; | |
8e713be6 | 14579 | while (CONSP (tail) && CONSP (XCDR (tail))) |
7a13e894 | 14580 | { |
bffcfca9 | 14581 | if (EQ (XCAR (XCDR (tail)), dpyinfo->name_list_element)) |
7a13e894 | 14582 | { |
f3fbd155 | 14583 | XSETCDR (tail, XCDR (XCDR (tail))); |
7a13e894 RS |
14584 | break; |
14585 | } | |
8e713be6 | 14586 | tail = XCDR (tail); |
7a13e894 RS |
14587 | } |
14588 | } | |
14589 | ||
9bda743f GM |
14590 | if (next_noop_dpyinfo == dpyinfo) |
14591 | next_noop_dpyinfo = dpyinfo->next; | |
14592 | ||
7a13e894 RS |
14593 | if (x_display_list == dpyinfo) |
14594 | x_display_list = dpyinfo->next; | |
7f9c7f94 RS |
14595 | else |
14596 | { | |
14597 | struct x_display_info *tail; | |
7a13e894 | 14598 | |
7f9c7f94 RS |
14599 | for (tail = x_display_list; tail; tail = tail->next) |
14600 | if (tail->next == dpyinfo) | |
14601 | tail->next = tail->next->next; | |
14602 | } | |
7a13e894 | 14603 | |
0d777288 RS |
14604 | #ifndef USE_X_TOOLKIT /* I'm told Xt does this itself. */ |
14605 | #ifndef AIX /* On AIX, XCloseDisplay calls this. */ | |
7f9c7f94 RS |
14606 | XrmDestroyDatabase (dpyinfo->xrdb); |
14607 | #endif | |
0d777288 | 14608 | #endif |
29b38361 KH |
14609 | #ifdef MULTI_KBOARD |
14610 | if (--dpyinfo->kboard->reference_count == 0) | |
39f79001 | 14611 | delete_kboard (dpyinfo->kboard); |
b9737ad3 | 14612 | #endif |
f5d11644 GM |
14613 | #ifdef HAVE_X_I18N |
14614 | if (dpyinfo->xim) | |
14615 | xim_close_dpy (dpyinfo); | |
14616 | #endif | |
14617 | ||
b9737ad3 KH |
14618 | xfree (dpyinfo->font_table); |
14619 | xfree (dpyinfo->x_id_name); | |
f04e1297 | 14620 | xfree (dpyinfo->color_cells); |
b9737ad3 | 14621 | xfree (dpyinfo); |
7a13e894 | 14622 | } |
f04e1297 | 14623 | |
7a13e894 RS |
14624 | \f |
14625 | /* Set up use of X before we make the first connection. */ | |
14626 | ||
06a2c219 GM |
14627 | static struct redisplay_interface x_redisplay_interface = |
14628 | { | |
14629 | x_produce_glyphs, | |
14630 | x_write_glyphs, | |
14631 | x_insert_glyphs, | |
14632 | x_clear_end_of_line, | |
14633 | x_scroll_run, | |
14634 | x_after_update_window_line, | |
14635 | x_update_window_begin, | |
14636 | x_update_window_end, | |
14637 | XTcursor_to, | |
14638 | x_flush, | |
71b8321e | 14639 | x_clear_mouse_face, |
66ac4b0e GM |
14640 | x_get_glyph_overhangs, |
14641 | x_fix_overlapping_area | |
06a2c219 GM |
14642 | }; |
14643 | ||
dfcf069d | 14644 | void |
7a13e894 RS |
14645 | x_initialize () |
14646 | { | |
06a2c219 GM |
14647 | rif = &x_redisplay_interface; |
14648 | ||
14649 | clear_frame_hook = x_clear_frame; | |
14650 | ins_del_lines_hook = x_ins_del_lines; | |
06a2c219 | 14651 | delete_glyphs_hook = x_delete_glyphs; |
dc6f92b8 JB |
14652 | ring_bell_hook = XTring_bell; |
14653 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
14654 | set_terminal_modes_hook = XTset_terminal_modes; | |
06a2c219 GM |
14655 | update_begin_hook = x_update_begin; |
14656 | update_end_hook = x_update_end; | |
dc6f92b8 JB |
14657 | set_terminal_window_hook = XTset_terminal_window; |
14658 | read_socket_hook = XTread_socket; | |
b8009dd1 | 14659 | frame_up_to_date_hook = XTframe_up_to_date; |
90e65f07 | 14660 | mouse_position_hook = XTmouse_position; |
f451eb13 | 14661 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 14662 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
14663 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
14664 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
14665 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
14666 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
06a2c219 | 14667 | estimate_mode_line_height_hook = x_estimate_mode_line_height; |
58769bee | 14668 | |
f676886a | 14669 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
9017309f | 14670 | char_ins_del_ok = 1; |
dc6f92b8 JB |
14671 | line_ins_del_ok = 1; /* we'll just blt 'em */ |
14672 | fast_clear_end_of_line = 1; /* X does this well */ | |
58769bee | 14673 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
14674 | off the bottom */ |
14675 | baud_rate = 19200; | |
14676 | ||
7a13e894 | 14677 | x_noop_count = 0; |
9ea173e8 | 14678 | last_tool_bar_item = -1; |
06a2c219 GM |
14679 | any_help_event_p = 0; |
14680 | ||
b30b24cb RS |
14681 | /* Try to use interrupt input; if we can't, then start polling. */ |
14682 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
14683 | ||
7f9c7f94 RS |
14684 | #ifdef USE_X_TOOLKIT |
14685 | XtToolkitInitialize (); | |
651f03b6 | 14686 | |
7f9c7f94 | 14687 | Xt_app_con = XtCreateApplicationContext (); |
651f03b6 GM |
14688 | |
14689 | /* Register a converter from strings to pixels, which uses | |
14690 | Emacs' color allocation infrastructure. */ | |
14691 | XtAppSetTypeConverter (Xt_app_con, | |
14692 | XtRString, XtRPixel, cvt_string_to_pixel, | |
14693 | cvt_string_to_pixel_args, | |
14694 | XtNumber (cvt_string_to_pixel_args), | |
14695 | XtCacheByDisplay, cvt_pixel_dtor); | |
14696 | ||
665881ad | 14697 | XtAppSetFallbackResources (Xt_app_con, Xt_default_resources); |
bffcfca9 GM |
14698 | |
14699 | /* Install an asynchronous timer that processes Xt timeout events | |
14700 | every 0.1s. This is necessary because some widget sets use | |
14701 | timeouts internally, for example the LessTif menu bar, or the | |
14702 | Xaw3d scroll bar. When Xt timouts aren't processed, these | |
14703 | widgets don't behave normally. */ | |
14704 | { | |
14705 | EMACS_TIME interval; | |
14706 | EMACS_SET_SECS_USECS (interval, 0, 100000); | |
14707 | start_atimer (ATIMER_CONTINUOUS, interval, x_process_timeouts, 0); | |
14708 | } | |
db74249b | 14709 | #endif |
bffcfca9 | 14710 | |
eccc05db | 14711 | #ifdef USE_TOOLKIT_SCROLL_BARS |
ec18280f SM |
14712 | xaw3d_arrow_scroll = False; |
14713 | xaw3d_pick_top = True; | |
7f9c7f94 RS |
14714 | #endif |
14715 | ||
58769bee | 14716 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 14717 | original error handler. */ |
e99db5a1 | 14718 | XSetErrorHandler (x_error_handler); |
334208b7 | 14719 | XSetIOErrorHandler (x_io_error_quitter); |
dc6f92b8 | 14720 | |
06a2c219 | 14721 | /* Disable Window Change signals; they are handled by X events. */ |
dc6f92b8 JB |
14722 | #ifdef SIGWINCH |
14723 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 14724 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 14725 | |
92e2441b | 14726 | signal (SIGPIPE, x_connection_signal); |
dc6f92b8 | 14727 | } |
55123275 | 14728 | |
06a2c219 | 14729 | |
55123275 JB |
14730 | void |
14731 | syms_of_xterm () | |
14732 | { | |
e99db5a1 RS |
14733 | staticpro (&x_error_message_string); |
14734 | x_error_message_string = Qnil; | |
14735 | ||
7a13e894 RS |
14736 | staticpro (&x_display_name_list); |
14737 | x_display_name_list = Qnil; | |
334208b7 | 14738 | |
ab648270 | 14739 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 14740 | last_mouse_scroll_bar = Qnil; |
59e755be KH |
14741 | |
14742 | staticpro (&Qvendor_specific_keysyms); | |
14743 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
2237cac9 RS |
14744 | |
14745 | staticpro (&last_mouse_press_frame); | |
14746 | last_mouse_press_frame = Qnil; | |
06a2c219 | 14747 | |
06a2c219 | 14748 | help_echo = Qnil; |
be010514 GM |
14749 | staticpro (&help_echo); |
14750 | help_echo_object = Qnil; | |
14751 | staticpro (&help_echo_object); | |
7cea38bc GM |
14752 | help_echo_window = Qnil; |
14753 | staticpro (&help_echo_window); | |
06a2c219 | 14754 | previous_help_echo = Qnil; |
be010514 GM |
14755 | staticpro (&previous_help_echo); |
14756 | help_echo_pos = -1; | |
06a2c219 | 14757 | |
7ee72033 MB |
14758 | DEFVAR_BOOL ("x-stretch-cursor", &x_stretch_cursor_p, |
14759 | doc: /* *Non-nil means draw block cursor as wide as the glyph under it. | |
228299fa GM |
14760 | For example, if a block cursor is over a tab, it will be drawn as |
14761 | wide as that tab on the display. */); | |
06a2c219 GM |
14762 | x_stretch_cursor_p = 0; |
14763 | ||
a72d5ce5 | 14764 | DEFVAR_BOOL ("x-use-underline-position-properties", |
7ee72033 MB |
14765 | &x_use_underline_position_properties, |
14766 | doc: /* *Non-nil means make use of UNDERLINE_POSITION font properties. | |
228299fa GM |
14767 | Nil means ignore them. If you encounter fonts with bogus |
14768 | UNDERLINE_POSITION font properties, for example 7x13 on XFree prior | |
14769 | to 4.1, set this to nil. */); | |
a72d5ce5 GM |
14770 | x_use_underline_position_properties = 1; |
14771 | ||
7ee72033 MB |
14772 | DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars, |
14773 | doc: /* What X toolkit scroll bars Emacs uses. | |
228299fa GM |
14774 | A value of nil means Emacs doesn't use X toolkit scroll bars. |
14775 | Otherwise, value is a symbol describing the X toolkit. */); | |
eccc05db | 14776 | #ifdef USE_TOOLKIT_SCROLL_BARS |
5bf04520 GM |
14777 | #ifdef USE_MOTIF |
14778 | Vx_toolkit_scroll_bars = intern ("motif"); | |
14779 | #elif defined HAVE_XAW3D | |
14780 | Vx_toolkit_scroll_bars = intern ("xaw3d"); | |
14781 | #else | |
14782 | Vx_toolkit_scroll_bars = intern ("xaw"); | |
14783 | #endif | |
06a2c219 | 14784 | #else |
5bf04520 | 14785 | Vx_toolkit_scroll_bars = Qnil; |
06a2c219 GM |
14786 | #endif |
14787 | ||
06a2c219 GM |
14788 | staticpro (&last_mouse_motion_frame); |
14789 | last_mouse_motion_frame = Qnil; | |
55123275 | 14790 | } |
6cf0ae86 | 14791 | |
1d6c120a | 14792 | #endif /* HAVE_X_WINDOWS */ |