Commit | Line | Data |
---|---|---|
dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
1c7e22fd | 2 | Copyright (C) 1989, 93, 94, 95, 96, 1997, 1998, 1999, 2000 |
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 | 46 | |
16bd92ea | 47 | #ifndef USG |
dc6f92b8 JB |
48 | /* Load sys/types.h if not already loaded. |
49 | In some systems loading it twice is suicidal. */ | |
50 | #ifndef makedev | |
51 | #include <sys/types.h> | |
c118dd06 JB |
52 | #endif /* makedev */ |
53 | #endif /* USG */ | |
dc6f92b8 | 54 | |
6df54671 | 55 | #ifdef BSD_SYSTEM |
dc6f92b8 | 56 | #include <sys/ioctl.h> |
6df54671 | 57 | #endif /* ! defined (BSD_SYSTEM) */ |
dc6f92b8 | 58 | |
2d368234 | 59 | #include "systty.h" |
3a2712f9 | 60 | #include "systime.h" |
dc6f92b8 | 61 | |
b8009dd1 | 62 | #ifndef INCLUDED_FCNTL |
dc6f92b8 | 63 | #include <fcntl.h> |
b8009dd1 | 64 | #endif |
dc6f92b8 JB |
65 | #include <ctype.h> |
66 | #include <errno.h> | |
67 | #include <setjmp.h> | |
68 | #include <sys/stat.h> | |
a0a7635f RS |
69 | /* Caused redefinition of DBL_DIG on Netbsd; seems not to be needed. */ |
70 | /* #include <sys/param.h> */ | |
dc6f92b8 | 71 | |
dc43ef94 KH |
72 | #include "charset.h" |
73 | #include "ccl.h" | |
7a13e894 | 74 | #include "frame.h" |
dc6f92b8 | 75 | #include "dispextern.h" |
ee569018 | 76 | #include "fontset.h" |
dc6f92b8 JB |
77 | #include "termhooks.h" |
78 | #include "termopts.h" | |
79 | #include "termchar.h" | |
80 | #if 0 | |
81 | #include "sink.h" | |
82 | #include "sinkmask.h" | |
c118dd06 | 83 | #endif /* ! 0 */ |
dc6f92b8 | 84 | #include "gnu.h" |
dc6f92b8 | 85 | #include "disptab.h" |
dc6f92b8 | 86 | #include "buffer.h" |
f451eb13 | 87 | #include "window.h" |
3b2fa4e6 | 88 | #include "keyboard.h" |
bde7c500 | 89 | #include "intervals.h" |
dfcf069d | 90 | #include "process.h" |
bffcfca9 | 91 | #include "atimer.h" |
dc6f92b8 | 92 | |
d2bd6bc4 RS |
93 | #ifdef USE_X_TOOLKIT |
94 | #include <X11/Shell.h> | |
95 | #endif | |
96 | ||
06a2c219 GM |
97 | #include <sys/types.h> |
98 | #ifdef HAVE_SYS_TIME_H | |
99 | #include <sys/time.h> | |
100 | #endif | |
101 | #ifdef HAVE_UNISTD_H | |
102 | #include <unistd.h> | |
103 | #endif | |
104 | ||
3afe33e7 | 105 | #ifdef USE_X_TOOLKIT |
06a2c219 | 106 | |
9d7e2e3e | 107 | extern void free_frame_menubar (); |
2224b905 | 108 | extern FRAME_PTR x_menubar_window_to_frame (); |
06a2c219 | 109 | |
0fdff6bb RS |
110 | #if (XtSpecificationRelease >= 5) && !defined(NO_EDITRES) |
111 | #define HACK_EDITRES | |
112 | extern void _XEditResCheckMessages (); | |
113 | #endif /* not NO_EDITRES */ | |
06a2c219 GM |
114 | |
115 | /* Include toolkit specific headers for the scroll bar widget. */ | |
116 | ||
117 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
118 | #if defined USE_MOTIF | |
119 | #include <Xm/Xm.h> /* for LESSTIF_VERSION */ | |
120 | #include <Xm/ScrollBar.h> | |
121 | #include <Xm/ScrollBarP.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 | ||
80528801 KH |
153 | #ifdef SOLARIS2 |
154 | /* memmove will be defined as a macro in Xfuncs.h unless | |
155 | <string.h> is included beforehand. The declaration for memmove in | |
156 | <string.h> will cause a syntax error when Xfuncs.h later includes it. */ | |
157 | #include <string.h> | |
158 | #endif | |
159 | ||
e4b68333 | 160 | #ifndef min |
06a2c219 | 161 | #define min(a,b) ((a) < (b) ? (a) : (b)) |
e4b68333 RS |
162 | #endif |
163 | #ifndef max | |
06a2c219 GM |
164 | #define max(a,b) ((a) > (b) ? (a) : (b)) |
165 | #endif | |
166 | ||
167 | #define abs(x) ((x) < 0 ? -(x) : (x)) | |
168 | ||
169 | #define BETWEEN(X, LOWER, UPPER) ((X) >= (LOWER) && (X) < (UPPER)) | |
170 | ||
171 | \f | |
172 | /* Bitmaps for truncated lines. */ | |
173 | ||
174 | enum bitmap_type | |
175 | { | |
176 | NO_BITMAP, | |
177 | LEFT_TRUNCATION_BITMAP, | |
178 | RIGHT_TRUNCATION_BITMAP, | |
179 | OVERLAY_ARROW_BITMAP, | |
180 | CONTINUED_LINE_BITMAP, | |
181 | CONTINUATION_LINE_BITMAP, | |
182 | ZV_LINE_BITMAP | |
183 | }; | |
184 | ||
185 | /* Bitmap drawn to indicate lines not displaying text if | |
186 | `indicate-empty-lines' is non-nil. */ | |
187 | ||
188 | #define zv_width 8 | |
189 | #define zv_height 8 | |
190 | static unsigned char zv_bits[] = { | |
191 | 0x00, 0x00, 0x1e, 0x1e, 0x1e, 0x1e, 0x00, 0x00}; | |
192 | ||
193 | /* An arrow like this: `<-'. */ | |
194 | ||
195 | #define left_width 8 | |
196 | #define left_height 8 | |
197 | static unsigned char left_bits[] = { | |
198 | 0x18, 0x0c, 0x06, 0x3f, 0x3f, 0x06, 0x0c, 0x18}; | |
199 | ||
110859fc GM |
200 | /* Right truncation arrow bitmap `->'. */ |
201 | ||
202 | #define right_width 8 | |
203 | #define right_height 8 | |
204 | static unsigned char right_bits[] = { | |
205 | 0x18, 0x30, 0x60, 0xfc, 0xfc, 0x60, 0x30, 0x18}; | |
206 | ||
06a2c219 GM |
207 | /* Marker for continued lines. */ |
208 | ||
209 | #define continued_width 8 | |
210 | #define continued_height 8 | |
211 | static unsigned char continued_bits[] = { | |
110859fc GM |
212 | 0x3c, 0x7c, 0xc0, 0xe4, 0xfc, 0x7c, 0x3c, 0x7c}; |
213 | ||
214 | /* Marker for continuation lines. */ | |
06a2c219 GM |
215 | |
216 | #define continuation_width 8 | |
217 | #define continuation_height 8 | |
218 | static unsigned char continuation_bits[] = { | |
110859fc | 219 | 0x3c, 0x3e, 0x03, 0x27, 0x3f, 0x3e, 0x3c, 0x3e}; |
06a2c219 | 220 | |
110859fc | 221 | /* Overlay arrow bitmap. */ |
06a2c219 | 222 | |
110859fc GM |
223 | #if 0 |
224 | /* A bomb. */ | |
06a2c219 GM |
225 | #define ov_width 8 |
226 | #define ov_height 8 | |
227 | static unsigned char ov_bits[] = { | |
228 | 0x30, 0x08, 0x3c, 0x7e, 0x7a, 0x7a, 0x62, 0x3c}; | |
06a2c219 | 229 | #else |
110859fc | 230 | /* A triangular arrow. */ |
06a2c219 GM |
231 | #define ov_width 8 |
232 | #define ov_height 8 | |
233 | static unsigned char ov_bits[] = { | |
110859fc GM |
234 | 0x03, 0x0f, 0x1f, 0x3f, 0x3f, 0x1f, 0x0f, 0x03}; |
235 | ||
e4b68333 | 236 | #endif |
06a2c219 GM |
237 | |
238 | extern Lisp_Object Qhelp_echo; | |
239 | ||
69388238 | 240 | \f |
06a2c219 GM |
241 | /* Non-zero means Emacs uses toolkit scroll bars. */ |
242 | ||
243 | int x_toolkit_scroll_bars_p; | |
244 | ||
245 | /* If a string, XTread_socket generates an event to display that string. | |
246 | (The display is done in read_char.) */ | |
247 | ||
248 | static Lisp_Object help_echo; | |
249 | ||
250 | /* Temporary variable for XTread_socket. */ | |
251 | ||
252 | static Lisp_Object previous_help_echo; | |
253 | ||
254 | /* Non-zero means that a HELP_EVENT has been generated since Emacs | |
255 | start. */ | |
256 | ||
257 | static int any_help_event_p; | |
258 | ||
259 | /* Non-zero means draw block and hollow cursor as wide as the glyph | |
260 | under it. For example, if a block cursor is over a tab, it will be | |
261 | drawn as wide as that tab on the display. */ | |
262 | ||
263 | int x_stretch_cursor_p; | |
264 | ||
265 | /* This is a chain of structures for all the X displays currently in | |
266 | use. */ | |
267 | ||
334208b7 | 268 | struct x_display_info *x_display_list; |
dc6f92b8 | 269 | |
06a2c219 GM |
270 | /* This is a list of cons cells, each of the form (NAME |
271 | . FONT-LIST-CACHE), one for each element of x_display_list and in | |
272 | the same order. NAME is the name of the frame. FONT-LIST-CACHE | |
273 | records previous values returned by x-list-fonts. */ | |
274 | ||
7a13e894 | 275 | Lisp_Object x_display_name_list; |
f451eb13 | 276 | |
987d2ad1 | 277 | /* Frame being updated by update_frame. This is declared in term.c. |
06a2c219 GM |
278 | This is set by update_begin and looked at by all the XT functions. |
279 | It is zero while not inside an update. In that case, the XT | |
280 | functions assume that `selected_frame' is the frame to apply to. */ | |
281 | ||
d0386f2a | 282 | extern struct frame *updating_frame; |
dc6f92b8 | 283 | |
dfcf069d | 284 | extern int waiting_for_input; |
0e81d8cd | 285 | |
06a2c219 GM |
286 | /* This is a frame waiting to be auto-raised, within XTread_socket. */ |
287 | ||
0134a210 RS |
288 | struct frame *pending_autoraise_frame; |
289 | ||
7f9c7f94 RS |
290 | #ifdef USE_X_TOOLKIT |
291 | /* The application context for Xt use. */ | |
292 | XtAppContext Xt_app_con; | |
06a2c219 GM |
293 | static String Xt_default_resources[] = {0}; |
294 | #endif /* USE_X_TOOLKIT */ | |
665881ad | 295 | |
06a2c219 GM |
296 | /* Nominal cursor position -- where to draw output. |
297 | HPOS and VPOS are window relative glyph matrix coordinates. | |
298 | X and Y are window relative pixel coordinates. */ | |
dc6f92b8 | 299 | |
06a2c219 | 300 | struct cursor_pos output_cursor; |
dc6f92b8 | 301 | |
bffcfca9 GM |
302 | /* Non-zero means user is interacting with a toolkit scroll bar. */ |
303 | ||
304 | static int toolkit_scroll_bar_interaction; | |
dc6f92b8 | 305 | |
69388238 RS |
306 | /* Mouse movement. |
307 | ||
06a2c219 | 308 | Formerly, we used PointerMotionHintMask (in standard_event_mask) |
f5bb65ec RS |
309 | so that we would have to call XQueryPointer after each MotionNotify |
310 | event to ask for another such event. However, this made mouse tracking | |
311 | slow, and there was a bug that made it eventually stop. | |
312 | ||
313 | Simply asking for MotionNotify all the time seems to work better. | |
314 | ||
69388238 RS |
315 | In order to avoid asking for motion events and then throwing most |
316 | of them away or busy-polling the server for mouse positions, we ask | |
317 | the server for pointer motion hints. This means that we get only | |
318 | one event per group of mouse movements. "Groups" are delimited by | |
319 | other kinds of events (focus changes and button clicks, for | |
320 | example), or by XQueryPointer calls; when one of these happens, we | |
321 | get another MotionNotify event the next time the mouse moves. This | |
322 | is at least as efficient as getting motion events when mouse | |
323 | tracking is on, and I suspect only negligibly worse when tracking | |
f5bb65ec | 324 | is off. */ |
69388238 RS |
325 | |
326 | /* Where the mouse was last time we reported a mouse event. */ | |
69388238 | 327 | |
06a2c219 GM |
328 | FRAME_PTR last_mouse_frame; |
329 | static XRectangle last_mouse_glyph; | |
2237cac9 RS |
330 | static Lisp_Object last_mouse_press_frame; |
331 | ||
69388238 RS |
332 | /* The scroll bar in which the last X motion event occurred. |
333 | ||
06a2c219 GM |
334 | If the last X motion event occurred in a scroll bar, we set this so |
335 | XTmouse_position can know whether to report a scroll bar motion or | |
69388238 RS |
336 | an ordinary motion. |
337 | ||
06a2c219 GM |
338 | If the last X motion event didn't occur in a scroll bar, we set |
339 | this to Qnil, to tell XTmouse_position to return an ordinary motion | |
340 | event. */ | |
341 | ||
69388238 RS |
342 | static Lisp_Object last_mouse_scroll_bar; |
343 | ||
69388238 RS |
344 | /* This is a hack. We would really prefer that XTmouse_position would |
345 | return the time associated with the position it returns, but there | |
06a2c219 | 346 | doesn't seem to be any way to wrest the time-stamp from the server |
69388238 RS |
347 | along with the position query. So, we just keep track of the time |
348 | of the last movement we received, and return that in hopes that | |
349 | it's somewhat accurate. */ | |
06a2c219 | 350 | |
69388238 RS |
351 | static Time last_mouse_movement_time; |
352 | ||
06a2c219 GM |
353 | /* Incremented by XTread_socket whenever it really tries to read |
354 | events. */ | |
355 | ||
c0a04927 RS |
356 | #ifdef __STDC__ |
357 | static int volatile input_signal_count; | |
358 | #else | |
359 | static int input_signal_count; | |
360 | #endif | |
361 | ||
7a13e894 | 362 | /* Used locally within XTread_socket. */ |
06a2c219 | 363 | |
7a13e894 | 364 | static int x_noop_count; |
dc6f92b8 | 365 | |
7a13e894 | 366 | /* Initial values of argv and argc. */ |
06a2c219 | 367 | |
7a13e894 RS |
368 | extern char **initial_argv; |
369 | extern int initial_argc; | |
dc6f92b8 | 370 | |
7a13e894 | 371 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
dc6f92b8 | 372 | |
06a2c219 | 373 | /* Tells if a window manager is present or not. */ |
7a13e894 RS |
374 | |
375 | extern Lisp_Object Vx_no_window_manager; | |
dc6f92b8 | 376 | |
c2df547c | 377 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 378 | |
dc6f92b8 JB |
379 | extern int errno; |
380 | ||
dfeccd2d | 381 | /* A mask of extra modifier bits to put into every keyboard char. */ |
06a2c219 | 382 | |
64bb1782 RS |
383 | extern int extra_keyboard_modifiers; |
384 | ||
59e755be KH |
385 | static Lisp_Object Qvendor_specific_keysyms; |
386 | ||
334208b7 | 387 | extern XrmDatabase x_load_resources (); |
c32cdd9a KH |
388 | extern Lisp_Object x_icon_type (); |
389 | ||
7a13e894 | 390 | |
06a2c219 GM |
391 | /* Enumeration for overriding/changing the face to use for drawing |
392 | glyphs in x_draw_glyphs. */ | |
393 | ||
394 | enum draw_glyphs_face | |
395 | { | |
396 | DRAW_NORMAL_TEXT, | |
397 | DRAW_INVERSE_VIDEO, | |
398 | DRAW_CURSOR, | |
399 | DRAW_MOUSE_FACE, | |
400 | DRAW_IMAGE_RAISED, | |
401 | DRAW_IMAGE_SUNKEN | |
402 | }; | |
403 | ||
404 | static void x_update_window_end P_ ((struct window *, int)); | |
405 | static void frame_to_window_pixel_xy P_ ((struct window *, int *, int *)); | |
406 | void x_delete_display P_ ((struct x_display_info *)); | |
407 | static unsigned int x_x_to_emacs_modifiers P_ ((struct x_display_info *, | |
408 | unsigned)); | |
409 | static int fast_find_position P_ ((struct window *, int, int *, int *, | |
410 | int *, int *)); | |
411 | static void set_output_cursor P_ ((struct cursor_pos *)); | |
412 | static struct glyph *x_y_to_hpos_vpos P_ ((struct window *, int, int, | |
413 | int *, int *, int *)); | |
414 | static void note_mode_line_highlight P_ ((struct window *, int, int)); | |
415 | static void x_check_font P_ ((struct frame *, XFontStruct *)); | |
416 | static void note_mouse_highlight P_ ((struct frame *, int, int)); | |
9ea173e8 GM |
417 | static void note_tool_bar_highlight P_ ((struct frame *f, int, int)); |
418 | static void x_handle_tool_bar_click P_ ((struct frame *, XButtonEvent *)); | |
06a2c219 GM |
419 | static void show_mouse_face P_ ((struct x_display_info *, |
420 | enum draw_glyphs_face)); | |
421 | static int x_io_error_quitter P_ ((Display *)); | |
422 | int x_catch_errors P_ ((Display *)); | |
423 | void x_uncatch_errors P_ ((Display *, int)); | |
424 | void x_lower_frame P_ ((struct frame *)); | |
425 | void x_scroll_bar_clear P_ ((struct frame *)); | |
426 | int x_had_errors_p P_ ((Display *)); | |
427 | void x_wm_set_size_hint P_ ((struct frame *, long, int)); | |
428 | void x_raise_frame P_ ((struct frame *)); | |
429 | void x_set_window_size P_ ((struct frame *, int, int, int)); | |
430 | void x_wm_set_window_state P_ ((struct frame *, int)); | |
431 | void x_wm_set_icon_pixmap P_ ((struct frame *, int)); | |
432 | void x_initialize P_ ((void)); | |
433 | static void x_font_min_bounds P_ ((XFontStruct *, int *, int *)); | |
434 | static int x_compute_min_glyph_bounds P_ ((struct frame *)); | |
435 | static void x_draw_phys_cursor_glyph P_ ((struct window *, | |
436 | struct glyph_row *, | |
437 | enum draw_glyphs_face)); | |
438 | static void x_update_end P_ ((struct frame *)); | |
439 | static void XTframe_up_to_date P_ ((struct frame *)); | |
440 | static void XTreassert_line_highlight P_ ((int, int)); | |
441 | static void x_change_line_highlight P_ ((int, int, int, int)); | |
442 | static void XTset_terminal_modes P_ ((void)); | |
443 | static void XTreset_terminal_modes P_ ((void)); | |
444 | static void XTcursor_to P_ ((int, int, int, int)); | |
445 | static void x_write_glyphs P_ ((struct glyph *, int)); | |
446 | static void x_clear_end_of_line P_ ((int)); | |
447 | static void x_clear_frame P_ ((void)); | |
448 | static void x_clear_cursor P_ ((struct window *)); | |
449 | static void frame_highlight P_ ((struct frame *)); | |
450 | static void frame_unhighlight P_ ((struct frame *)); | |
451 | static void x_new_focus_frame P_ ((struct x_display_info *, struct frame *)); | |
452 | static void XTframe_rehighlight P_ ((struct frame *)); | |
453 | static void x_frame_rehighlight P_ ((struct x_display_info *)); | |
454 | static void x_draw_hollow_cursor P_ ((struct window *, struct glyph_row *)); | |
f02d8aa0 | 455 | static void x_draw_bar_cursor P_ ((struct window *, struct glyph_row *, int)); |
06a2c219 GM |
456 | static int x_intersect_rectangles P_ ((XRectangle *, XRectangle *, |
457 | XRectangle *)); | |
458 | static void expose_frame P_ ((struct frame *, int, int, int, int)); | |
459 | static void expose_window_tree P_ ((struct window *, XRectangle *)); | |
460 | static void expose_window P_ ((struct window *, XRectangle *)); | |
461 | static void expose_area P_ ((struct window *, struct glyph_row *, | |
462 | XRectangle *, enum glyph_row_area)); | |
463 | static void expose_line P_ ((struct window *, struct glyph_row *, | |
464 | XRectangle *)); | |
465 | static void x_update_cursor_in_window_tree P_ ((struct window *, int)); | |
466 | static void x_update_window_cursor P_ ((struct window *, int)); | |
467 | static void x_erase_phys_cursor P_ ((struct window *)); | |
468 | void x_display_and_set_cursor P_ ((struct window *, int, int, int, int, int)); | |
469 | static void x_draw_bitmap P_ ((struct window *, struct glyph_row *, | |
470 | enum bitmap_type)); | |
471 | ||
472 | static void x_clip_to_row P_ ((struct window *, struct glyph_row *, | |
473 | GC, int)); | |
474 | static int x_phys_cursor_in_rect_p P_ ((struct window *, XRectangle *)); | |
475 | static void x_draw_row_bitmaps P_ ((struct window *, struct glyph_row *)); | |
476 | static void note_overwritten_text_cursor P_ ((struct window *, int, int)); | |
477 | static void x_flush P_ ((struct frame *f)); | |
478 | ||
479 | ||
480 | /* Flush display of frame F, or of all frames if F is null. */ | |
481 | ||
482 | static void | |
483 | x_flush (f) | |
484 | struct frame *f; | |
485 | { | |
486 | BLOCK_INPUT; | |
487 | if (f == NULL) | |
488 | { | |
489 | Lisp_Object rest, frame; | |
490 | FOR_EACH_FRAME (rest, frame) | |
491 | x_flush (XFRAME (frame)); | |
492 | } | |
493 | else if (FRAME_X_P (f)) | |
494 | XFlush (FRAME_X_DISPLAY (f)); | |
495 | UNBLOCK_INPUT; | |
496 | } | |
497 | ||
dc6f92b8 | 498 | |
06a2c219 GM |
499 | /* Remove calls to XFlush by defining XFlush to an empty replacement. |
500 | Calls to XFlush should be unnecessary because the X output buffer | |
501 | is flushed automatically as needed by calls to XPending, | |
502 | XNextEvent, or XWindowEvent according to the XFlush man page. | |
503 | XTread_socket calls XPending. Removing XFlush improves | |
504 | performance. */ | |
505 | ||
506 | #define XFlush(DISPLAY) (void) 0 | |
b8009dd1 | 507 | |
334208b7 | 508 | \f |
06a2c219 GM |
509 | /*********************************************************************** |
510 | Debugging | |
511 | ***********************************************************************/ | |
512 | ||
9382638d | 513 | #if 0 |
06a2c219 GM |
514 | |
515 | /* This is a function useful for recording debugging information about | |
516 | the sequence of occurrences in this file. */ | |
9382638d KH |
517 | |
518 | struct record | |
519 | { | |
520 | char *locus; | |
521 | int type; | |
522 | }; | |
523 | ||
524 | struct record event_record[100]; | |
525 | ||
526 | int event_record_index; | |
527 | ||
528 | record_event (locus, type) | |
529 | char *locus; | |
530 | int type; | |
531 | { | |
532 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
533 | event_record_index = 0; | |
534 | ||
535 | event_record[event_record_index].locus = locus; | |
536 | event_record[event_record_index].type = type; | |
537 | event_record_index++; | |
538 | } | |
539 | ||
540 | #endif /* 0 */ | |
06a2c219 GM |
541 | |
542 | ||
9382638d | 543 | \f |
334208b7 RS |
544 | /* Return the struct x_display_info corresponding to DPY. */ |
545 | ||
546 | struct x_display_info * | |
547 | x_display_info_for_display (dpy) | |
548 | Display *dpy; | |
549 | { | |
550 | struct x_display_info *dpyinfo; | |
551 | ||
552 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
553 | if (dpyinfo->display == dpy) | |
554 | return dpyinfo; | |
16bd92ea | 555 | |
334208b7 RS |
556 | return 0; |
557 | } | |
f451eb13 | 558 | |
06a2c219 GM |
559 | |
560 | \f | |
561 | /*********************************************************************** | |
562 | Starting and ending an update | |
563 | ***********************************************************************/ | |
564 | ||
565 | /* Start an update of frame F. This function is installed as a hook | |
566 | for update_begin, i.e. it is called when update_begin is called. | |
567 | This function is called prior to calls to x_update_window_begin for | |
568 | each window being updated. Currently, there is nothing to do here | |
569 | because all interesting stuff is done on a window basis. */ | |
dc6f92b8 | 570 | |
dfcf069d | 571 | static void |
06a2c219 | 572 | x_update_begin (f) |
f676886a | 573 | struct frame *f; |
58769bee | 574 | { |
06a2c219 GM |
575 | /* Nothing to do. */ |
576 | } | |
dc6f92b8 | 577 | |
dc6f92b8 | 578 | |
06a2c219 GM |
579 | /* Start update of window W. Set the global variable updated_window |
580 | to the window being updated and set output_cursor to the cursor | |
581 | position of W. */ | |
dc6f92b8 | 582 | |
06a2c219 GM |
583 | static void |
584 | x_update_window_begin (w) | |
585 | struct window *w; | |
586 | { | |
587 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
588 | struct x_display_info *display_info = FRAME_X_DISPLAY_INFO (f); | |
589 | ||
590 | updated_window = w; | |
591 | set_output_cursor (&w->cursor); | |
b8009dd1 | 592 | |
06a2c219 | 593 | BLOCK_INPUT; |
d1bc4182 | 594 | |
06a2c219 | 595 | if (f == display_info->mouse_face_mouse_frame) |
b8009dd1 | 596 | { |
514e4681 | 597 | /* Don't do highlighting for mouse motion during the update. */ |
06a2c219 | 598 | display_info->mouse_face_defer = 1; |
37c2c98b | 599 | |
06a2c219 GM |
600 | /* If F needs to be redrawn, simply forget about any prior mouse |
601 | highlighting. */ | |
9f67f20b | 602 | if (FRAME_GARBAGED_P (f)) |
06a2c219 GM |
603 | display_info->mouse_face_window = Qnil; |
604 | ||
605 | /* Can we tell that this update does not affect the window | |
606 | where the mouse highlight is? If so, no need to turn off. | |
607 | Likewise, don't do anything if the frame is garbaged; | |
608 | in that case, the frame's current matrix that we would use | |
609 | is all wrong, and we will redisplay that line anyway. */ | |
610 | if (!NILP (display_info->mouse_face_window) | |
611 | && w == XWINDOW (display_info->mouse_face_window)) | |
514e4681 | 612 | { |
06a2c219 | 613 | int i; |
514e4681 | 614 | |
06a2c219 GM |
615 | for (i = 0; i < w->desired_matrix->nrows; ++i) |
616 | if (MATRIX_ROW_ENABLED_P (w->desired_matrix, i)) | |
514e4681 RS |
617 | break; |
618 | ||
06a2c219 GM |
619 | if (i < w->desired_matrix->nrows) |
620 | clear_mouse_face (display_info); | |
514e4681 | 621 | } |
b8009dd1 | 622 | } |
6ccf47d1 | 623 | |
dc6f92b8 JB |
624 | UNBLOCK_INPUT; |
625 | } | |
626 | ||
06a2c219 GM |
627 | |
628 | /* Draw a vertical window border to the right of window W if W doesn't | |
629 | have vertical scroll bars. */ | |
630 | ||
dfcf069d | 631 | static void |
06a2c219 GM |
632 | x_draw_vertical_border (w) |
633 | struct window *w; | |
58769bee | 634 | { |
06a2c219 GM |
635 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
636 | ||
637 | /* Redraw borders between horizontally adjacent windows. Don't | |
638 | do it for frames with vertical scroll bars because either the | |
639 | right scroll bar of a window, or the left scroll bar of its | |
640 | neighbor will suffice as a border. */ | |
641 | if (!WINDOW_RIGHTMOST_P (w) | |
642 | && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
643 | { | |
644 | int x0, x1, y0, y1; | |
dc6f92b8 | 645 | |
06a2c219 | 646 | window_box_edges (w, -1, &x0, &y0, &x1, &y1); |
110859fc | 647 | x1 += FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f); |
06a2c219 GM |
648 | y1 -= 1; |
649 | ||
650 | XDrawLine (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
651 | f->output_data.x->normal_gc, x1, y0, x1, y1); | |
652 | } | |
653 | } | |
654 | ||
655 | ||
656 | /* End update of window W (which is equal to updated_window). Draw | |
657 | vertical borders between horizontally adjacent windows, and display | |
658 | W's cursor if CURSOR_ON_P is non-zero. W may be a menu bar | |
659 | pseudo-window in case we don't have X toolkit support. Such | |
660 | windows don't have a cursor, so don't display it here. */ | |
661 | ||
662 | static void | |
663 | x_update_window_end (w, cursor_on_p) | |
664 | struct window *w; | |
665 | int cursor_on_p; | |
666 | { | |
667 | if (!w->pseudo_window_p) | |
668 | { | |
669 | BLOCK_INPUT; | |
670 | if (cursor_on_p) | |
671 | x_display_and_set_cursor (w, 1, output_cursor.hpos, | |
672 | output_cursor.vpos, | |
673 | output_cursor.x, output_cursor.y); | |
674 | x_draw_vertical_border (w); | |
675 | UNBLOCK_INPUT; | |
676 | } | |
677 | ||
678 | updated_window = NULL; | |
679 | } | |
dc6f92b8 | 680 | |
dc6f92b8 | 681 | |
06a2c219 GM |
682 | /* End update of frame F. This function is installed as a hook in |
683 | update_end. */ | |
684 | ||
685 | static void | |
686 | x_update_end (f) | |
687 | struct frame *f; | |
688 | { | |
689 | /* Mouse highlight may be displayed again. */ | |
aa8bff2e | 690 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0; |
b8009dd1 | 691 | |
06a2c219 | 692 | BLOCK_INPUT; |
334208b7 | 693 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
694 | UNBLOCK_INPUT; |
695 | } | |
b8009dd1 | 696 | |
06a2c219 GM |
697 | |
698 | /* This function is called from various places in xdisp.c whenever a | |
699 | complete update has been performed. The global variable | |
700 | updated_window is not available here. */ | |
b8009dd1 | 701 | |
dfcf069d | 702 | static void |
b8009dd1 | 703 | XTframe_up_to_date (f) |
06a2c219 | 704 | struct frame *f; |
b8009dd1 | 705 | { |
06a2c219 | 706 | if (FRAME_X_P (f)) |
514e4681 | 707 | { |
06a2c219 GM |
708 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
709 | if (dpyinfo->mouse_face_deferred_gc | |
710 | || f == dpyinfo->mouse_face_mouse_frame) | |
711 | { | |
712 | BLOCK_INPUT; | |
713 | if (dpyinfo->mouse_face_mouse_frame) | |
714 | note_mouse_highlight (dpyinfo->mouse_face_mouse_frame, | |
715 | dpyinfo->mouse_face_mouse_x, | |
716 | dpyinfo->mouse_face_mouse_y); | |
717 | dpyinfo->mouse_face_deferred_gc = 0; | |
718 | UNBLOCK_INPUT; | |
719 | } | |
514e4681 | 720 | } |
b8009dd1 | 721 | } |
06a2c219 GM |
722 | |
723 | ||
724 | /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay | |
725 | arrow bitmaps, or clear the areas where they would be displayed | |
726 | before DESIRED_ROW is made current. The window being updated is | |
727 | found in updated_window. This function It is called from | |
728 | update_window_line only if it is known that there are differences | |
729 | between bitmaps to be drawn between current row and DESIRED_ROW. */ | |
730 | ||
731 | static void | |
732 | x_after_update_window_line (desired_row) | |
733 | struct glyph_row *desired_row; | |
734 | { | |
735 | struct window *w = updated_window; | |
736 | ||
737 | xassert (w); | |
738 | ||
739 | if (!desired_row->mode_line_p && !w->pseudo_window_p) | |
740 | { | |
741 | BLOCK_INPUT; | |
742 | x_draw_row_bitmaps (w, desired_row); | |
743 | ||
744 | /* When a window has disappeared, make sure that no rest of | |
745 | full-width rows stays visible in the internal border. */ | |
746 | if (windows_or_buffers_changed) | |
747 | { | |
748 | struct frame *f = XFRAME (w->frame); | |
749 | int width = FRAME_INTERNAL_BORDER_WIDTH (f); | |
750 | int height = desired_row->visible_height; | |
110859fc GM |
751 | int x = (window_box_right (w, -1) |
752 | + FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f)); | |
06a2c219 GM |
753 | int y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, desired_row->y)); |
754 | ||
755 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
756 | x, y, width, height, False); | |
757 | } | |
758 | ||
759 | UNBLOCK_INPUT; | |
760 | } | |
761 | } | |
762 | ||
763 | ||
764 | /* Draw the bitmap WHICH in one of the areas to the left or right of | |
765 | window W. ROW is the glyph row for which to display the bitmap; it | |
766 | determines the vertical position at which the bitmap has to be | |
767 | drawn. */ | |
768 | ||
769 | static void | |
770 | x_draw_bitmap (w, row, which) | |
771 | struct window *w; | |
772 | struct glyph_row *row; | |
773 | enum bitmap_type which; | |
774 | { | |
775 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
776 | Display *display = FRAME_X_DISPLAY (f); | |
777 | Window window = FRAME_X_WINDOW (f); | |
778 | int x, y, wd, h, dy; | |
779 | unsigned char *bits; | |
780 | Pixmap pixmap; | |
781 | GC gc = f->output_data.x->normal_gc; | |
782 | struct face *face; | |
783 | int depth = DefaultDepthOfScreen (FRAME_X_SCREEN (f)); | |
784 | ||
785 | /* Must clip because of partially visible lines. */ | |
786 | x_clip_to_row (w, row, gc, 1); | |
787 | ||
788 | switch (which) | |
789 | { | |
790 | case LEFT_TRUNCATION_BITMAP: | |
791 | wd = left_width; | |
792 | h = left_height; | |
793 | bits = left_bits; | |
794 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) | |
795 | - wd | |
110859fc | 796 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); |
06a2c219 GM |
797 | break; |
798 | ||
799 | case OVERLAY_ARROW_BITMAP: | |
800 | wd = left_width; | |
801 | h = left_height; | |
802 | bits = ov_bits; | |
803 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) | |
804 | - wd | |
110859fc | 805 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); |
06a2c219 GM |
806 | break; |
807 | ||
808 | case RIGHT_TRUNCATION_BITMAP: | |
809 | wd = right_width; | |
810 | h = right_height; | |
811 | bits = right_bits; | |
812 | x = window_box_right (w, -1); | |
110859fc | 813 | x += (FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f) - wd) / 2; |
06a2c219 GM |
814 | break; |
815 | ||
816 | case CONTINUED_LINE_BITMAP: | |
817 | wd = right_width; | |
818 | h = right_height; | |
819 | bits = continued_bits; | |
820 | x = window_box_right (w, -1); | |
110859fc | 821 | x += (FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f) - wd) / 2; |
06a2c219 GM |
822 | break; |
823 | ||
824 | case CONTINUATION_LINE_BITMAP: | |
825 | wd = continuation_width; | |
826 | h = continuation_height; | |
827 | bits = continuation_bits; | |
828 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) | |
829 | - wd | |
110859fc | 830 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); |
06a2c219 GM |
831 | break; |
832 | ||
833 | case ZV_LINE_BITMAP: | |
834 | wd = zv_width; | |
835 | h = zv_height; | |
836 | bits = zv_bits; | |
837 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) | |
838 | - wd | |
110859fc | 839 | - (FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - wd) / 2); |
06a2c219 GM |
840 | break; |
841 | ||
842 | default: | |
843 | abort (); | |
844 | } | |
845 | ||
846 | /* Convert to frame coordinates. Set dy to the offset in the row to | |
847 | start drawing the bitmap. */ | |
848 | y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
849 | dy = (row->height - h) / 2; | |
850 | ||
851 | /* Draw the bitmap. I believe these small pixmaps can be cached | |
852 | by the server. */ | |
853 | face = FACE_FROM_ID (f, BITMAP_AREA_FACE_ID); | |
854 | pixmap = XCreatePixmapFromBitmapData (display, window, bits, wd, h, | |
855 | face->foreground, | |
856 | face->background, depth); | |
857 | XCopyArea (display, pixmap, window, gc, 0, 0, wd, h, x, y + dy); | |
858 | XFreePixmap (display, pixmap); | |
859 | XSetClipMask (display, gc, None); | |
860 | } | |
861 | ||
862 | ||
863 | /* Draw flags bitmaps for glyph row ROW on window W. Call this | |
864 | function with input blocked. */ | |
865 | ||
866 | static void | |
867 | x_draw_row_bitmaps (w, row) | |
868 | struct window *w; | |
869 | struct glyph_row *row; | |
870 | { | |
871 | struct frame *f = XFRAME (w->frame); | |
872 | enum bitmap_type bitmap; | |
873 | struct face *face; | |
045dee35 | 874 | int header_line_height = -1; |
06a2c219 GM |
875 | |
876 | xassert (interrupt_input_blocked); | |
877 | ||
878 | /* If row is completely invisible, because of vscrolling, we | |
879 | don't have to draw anything. */ | |
880 | if (row->visible_height <= 0) | |
881 | return; | |
882 | ||
883 | face = FACE_FROM_ID (f, BITMAP_AREA_FACE_ID); | |
884 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
885 | ||
886 | /* Decide which bitmap to draw at the left side. */ | |
887 | if (row->overlay_arrow_p) | |
888 | bitmap = OVERLAY_ARROW_BITMAP; | |
889 | else if (row->truncated_on_left_p) | |
890 | bitmap = LEFT_TRUNCATION_BITMAP; | |
891 | else if (MATRIX_ROW_CONTINUATION_LINE_P (row)) | |
892 | bitmap = CONTINUATION_LINE_BITMAP; | |
893 | else if (row->indicate_empty_line_p) | |
894 | bitmap = ZV_LINE_BITMAP; | |
895 | else | |
896 | bitmap = NO_BITMAP; | |
897 | ||
898 | /* Clear flags area if no bitmap to draw or if bitmap doesn't fill | |
899 | the flags area. */ | |
900 | if (bitmap == NO_BITMAP | |
110859fc | 901 | || FRAME_FLAGS_BITMAP_WIDTH (f) < FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) |
06a2c219 GM |
902 | || row->height > FRAME_FLAGS_BITMAP_HEIGHT (f)) |
903 | { | |
904 | /* If W has a vertical border to its left, don't draw over it. */ | |
905 | int border = ((XFASTINT (w->left) > 0 | |
906 | && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
907 | ? 1 : 0); | |
908 | int left = window_box_left (w, -1); | |
909 | ||
045dee35 GM |
910 | if (header_line_height < 0) |
911 | header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
dcd08bfb GM |
912 | |
913 | /* In case the same realized face is used for bitmap areas and | |
914 | for something displayed in the text (e.g. face `region' on | |
915 | mono-displays, the fill style may have been changed to | |
916 | FillSolid in x_draw_glyph_string_background. */ | |
917 | if (face->stipple) | |
918 | XSetFillStyle (FRAME_X_DISPLAY (f), face->gc, FillOpaqueStippled); | |
919 | else | |
920 | XSetForeground (FRAME_X_DISPLAY (f), face->gc, face->background); | |
921 | ||
06a2c219 GM |
922 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
923 | face->gc, | |
924 | (left | |
110859fc | 925 | - FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) |
06a2c219 | 926 | + border), |
045dee35 | 927 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, |
06a2c219 | 928 | row->y)), |
110859fc | 929 | FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) - border, |
06a2c219 | 930 | row->visible_height); |
dcd08bfb GM |
931 | if (!face->stipple) |
932 | XSetForeground (FRAME_X_DISPLAY (f), face->gc, face->foreground); | |
06a2c219 GM |
933 | } |
934 | ||
935 | /* Draw the left bitmap. */ | |
936 | if (bitmap != NO_BITMAP) | |
937 | x_draw_bitmap (w, row, bitmap); | |
938 | ||
939 | /* Decide which bitmap to draw at the right side. */ | |
940 | if (row->truncated_on_right_p) | |
941 | bitmap = RIGHT_TRUNCATION_BITMAP; | |
942 | else if (row->continued_p) | |
943 | bitmap = CONTINUED_LINE_BITMAP; | |
944 | else | |
945 | bitmap = NO_BITMAP; | |
946 | ||
947 | /* Clear flags area if no bitmap to draw of if bitmap doesn't fill | |
948 | the flags area. */ | |
949 | if (bitmap == NO_BITMAP | |
110859fc | 950 | || FRAME_FLAGS_BITMAP_WIDTH (f) < FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f) |
06a2c219 GM |
951 | || row->height > FRAME_FLAGS_BITMAP_HEIGHT (f)) |
952 | { | |
953 | int right = window_box_right (w, -1); | |
954 | ||
045dee35 GM |
955 | if (header_line_height < 0) |
956 | header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
dcd08bfb GM |
957 | |
958 | /* In case the same realized face is used for bitmap areas and | |
959 | for something displayed in the text (e.g. face `region' on | |
960 | mono-displays, the fill style may have been changed to | |
961 | FillSolid in x_draw_glyph_string_background. */ | |
962 | if (face->stipple) | |
963 | XSetFillStyle (FRAME_X_DISPLAY (f), face->gc, FillOpaqueStippled); | |
964 | else | |
965 | XSetForeground (FRAME_X_DISPLAY (f), face->gc, face->background); | |
06a2c219 GM |
966 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
967 | face->gc, | |
968 | right, | |
045dee35 | 969 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, |
06a2c219 | 970 | row->y)), |
110859fc | 971 | FRAME_X_RIGHT_FLAGS_AREA_WIDTH (f), |
06a2c219 | 972 | row->visible_height); |
dcd08bfb GM |
973 | if (!face->stipple) |
974 | XSetForeground (FRAME_X_DISPLAY (f), face->gc, face->foreground); | |
06a2c219 GM |
975 | } |
976 | ||
977 | /* Draw the right bitmap. */ | |
978 | if (bitmap != NO_BITMAP) | |
979 | x_draw_bitmap (w, row, bitmap); | |
980 | } | |
981 | ||
dc6f92b8 | 982 | \f |
06a2c219 GM |
983 | /*********************************************************************** |
984 | Line Highlighting | |
985 | ***********************************************************************/ | |
dc6f92b8 | 986 | |
06a2c219 GM |
987 | /* External interface to control of standout mode. Not used for X |
988 | frames. Aborts when called. */ | |
989 | ||
990 | static void | |
dc6f92b8 JB |
991 | XTreassert_line_highlight (new, vpos) |
992 | int new, vpos; | |
993 | { | |
06a2c219 | 994 | abort (); |
dc6f92b8 JB |
995 | } |
996 | ||
06a2c219 GM |
997 | |
998 | /* Call this when about to modify line at position VPOS and change | |
999 | whether it is highlighted. Not used for X frames. Aborts when | |
1000 | called. */ | |
dc6f92b8 | 1001 | |
dfcf069d | 1002 | static void |
06a2c219 GM |
1003 | x_change_line_highlight (new_highlight, vpos, y, first_unused_hpos) |
1004 | int new_highlight, vpos, y, first_unused_hpos; | |
dc6f92b8 | 1005 | { |
06a2c219 | 1006 | abort (); |
dc6f92b8 JB |
1007 | } |
1008 | ||
06a2c219 GM |
1009 | |
1010 | /* This is called when starting Emacs and when restarting after | |
1011 | suspend. When starting Emacs, no X window is mapped. And nothing | |
1012 | must be done to Emacs's own window if it is suspended (though that | |
1013 | rarely happens). */ | |
dc6f92b8 | 1014 | |
dfcf069d | 1015 | static void |
dc6f92b8 JB |
1016 | XTset_terminal_modes () |
1017 | { | |
1018 | } | |
1019 | ||
06a2c219 GM |
1020 | /* This is called when exiting or suspending Emacs. Exiting will make |
1021 | the X-windows go away, and suspending requires no action. */ | |
dc6f92b8 | 1022 | |
dfcf069d | 1023 | static void |
dc6f92b8 JB |
1024 | XTreset_terminal_modes () |
1025 | { | |
dc6f92b8 | 1026 | } |
06a2c219 GM |
1027 | |
1028 | ||
dc6f92b8 | 1029 | \f |
06a2c219 GM |
1030 | /*********************************************************************** |
1031 | Output Cursor | |
1032 | ***********************************************************************/ | |
1033 | ||
1034 | /* Set the global variable output_cursor to CURSOR. All cursor | |
1035 | positions are relative to updated_window. */ | |
dc6f92b8 | 1036 | |
dfcf069d | 1037 | static void |
06a2c219 GM |
1038 | set_output_cursor (cursor) |
1039 | struct cursor_pos *cursor; | |
dc6f92b8 | 1040 | { |
06a2c219 GM |
1041 | output_cursor.hpos = cursor->hpos; |
1042 | output_cursor.vpos = cursor->vpos; | |
1043 | output_cursor.x = cursor->x; | |
1044 | output_cursor.y = cursor->y; | |
1045 | } | |
1046 | ||
1047 | ||
1048 | /* Set a nominal cursor position. | |
dc6f92b8 | 1049 | |
06a2c219 GM |
1050 | HPOS and VPOS are column/row positions in a window glyph matrix. X |
1051 | and Y are window text area relative pixel positions. | |
1052 | ||
1053 | If this is done during an update, updated_window will contain the | |
1054 | window that is being updated and the position is the future output | |
1055 | cursor position for that window. If updated_window is null, use | |
1056 | selected_window and display the cursor at the given position. */ | |
1057 | ||
1058 | static void | |
1059 | XTcursor_to (vpos, hpos, y, x) | |
1060 | int vpos, hpos, y, x; | |
1061 | { | |
1062 | struct window *w; | |
1063 | ||
1064 | /* If updated_window is not set, work on selected_window. */ | |
1065 | if (updated_window) | |
1066 | w = updated_window; | |
1067 | else | |
1068 | w = XWINDOW (selected_window); | |
dbcb258a | 1069 | |
06a2c219 GM |
1070 | /* Set the output cursor. */ |
1071 | output_cursor.hpos = hpos; | |
1072 | output_cursor.vpos = vpos; | |
1073 | output_cursor.x = x; | |
1074 | output_cursor.y = y; | |
dc6f92b8 | 1075 | |
06a2c219 GM |
1076 | /* If not called as part of an update, really display the cursor. |
1077 | This will also set the cursor position of W. */ | |
1078 | if (updated_window == NULL) | |
dc6f92b8 JB |
1079 | { |
1080 | BLOCK_INPUT; | |
06a2c219 | 1081 | x_display_cursor (w, 1, hpos, vpos, x, y); |
b86bd3dd | 1082 | XFlush (FRAME_X_DISPLAY (SELECTED_FRAME ())); |
dc6f92b8 JB |
1083 | UNBLOCK_INPUT; |
1084 | } | |
1085 | } | |
dc43ef94 | 1086 | |
06a2c219 GM |
1087 | |
1088 | \f | |
1089 | /*********************************************************************** | |
1090 | Display Iterator | |
1091 | ***********************************************************************/ | |
1092 | ||
1093 | /* Function prototypes of this page. */ | |
1094 | ||
1095 | static struct face *x_get_glyph_face_and_encoding P_ ((struct frame *, | |
1096 | struct glyph *, | |
ee569018 KH |
1097 | XChar2b *, |
1098 | int *)); | |
06a2c219 GM |
1099 | static struct face *x_get_char_face_and_encoding P_ ((struct frame *, int, |
1100 | int, XChar2b *, int)); | |
1101 | static XCharStruct *x_per_char_metric P_ ((XFontStruct *, XChar2b *)); | |
1102 | static void x_encode_char P_ ((int, XChar2b *, struct font_info *)); | |
1103 | static void x_append_glyph P_ ((struct it *)); | |
b4192550 | 1104 | static void x_append_composite_glyph P_ ((struct it *)); |
06a2c219 GM |
1105 | static void x_append_stretch_glyph P_ ((struct it *it, Lisp_Object, |
1106 | int, int, double)); | |
1107 | static void x_produce_glyphs P_ ((struct it *)); | |
06a2c219 | 1108 | static void x_produce_image_glyph P_ ((struct it *it)); |
ee569018 KH |
1109 | |
1110 | ||
1111 | /* Return a pointer to per-char metric information in FONT of a | |
1112 | character pointed by B which is a pointer to an XChar2b. */ | |
1113 | ||
1114 | #define PER_CHAR_METRIC(font, b) \ | |
1115 | ((font)->per_char \ | |
1116 | ? ((font)->per_char + (b)->byte2 - (font)->min_char_or_byte2 \ | |
1117 | + (((font)->min_byte1 || (font)->max_byte1) \ | |
1118 | ? (((b)->byte1 - (font)->min_byte1) \ | |
1119 | * ((font)->max_char_or_byte2 - (font)->min_char_or_byte2 + 1)) \ | |
1120 | : 0)) \ | |
1121 | : &((font)->max_bounds)) | |
dc43ef94 | 1122 | |
dc6f92b8 | 1123 | |
e2ef8ee6 GM |
1124 | /* Get metrics of character CHAR2B in FONT. Value is null if CHAR2B |
1125 | is not contained in the font. */ | |
dc43ef94 | 1126 | |
06a2c219 | 1127 | static INLINE XCharStruct * |
ee569018 | 1128 | x_per_char_metric (font, char2b) |
06a2c219 GM |
1129 | XFontStruct *font; |
1130 | XChar2b *char2b; | |
1131 | { | |
1132 | /* The result metric information. */ | |
1133 | XCharStruct *pcm = NULL; | |
dc6f92b8 | 1134 | |
06a2c219 | 1135 | xassert (font && char2b); |
dc6f92b8 | 1136 | |
06a2c219 | 1137 | if (font->per_char != NULL) |
dc6f92b8 | 1138 | { |
06a2c219 | 1139 | if (font->min_byte1 == 0 && font->max_byte1 == 0) |
dc43ef94 | 1140 | { |
06a2c219 GM |
1141 | /* min_char_or_byte2 specifies the linear character index |
1142 | corresponding to the first element of the per_char array, | |
1143 | max_char_or_byte2 is the index of the last character. A | |
1144 | character with non-zero CHAR2B->byte1 is not in the font. | |
1145 | A character with byte2 less than min_char_or_byte2 or | |
1146 | greater max_char_or_byte2 is not in the font. */ | |
1147 | if (char2b->byte1 == 0 | |
1148 | && char2b->byte2 >= font->min_char_or_byte2 | |
1149 | && char2b->byte2 <= font->max_char_or_byte2) | |
1150 | pcm = font->per_char + char2b->byte2 - font->min_char_or_byte2; | |
dc43ef94 | 1151 | } |
06a2c219 | 1152 | else |
dc6f92b8 | 1153 | { |
06a2c219 GM |
1154 | /* If either min_byte1 or max_byte1 are nonzero, both |
1155 | min_char_or_byte2 and max_char_or_byte2 are less than | |
1156 | 256, and the 2-byte character index values corresponding | |
1157 | to the per_char array element N (counting from 0) are: | |
1158 | ||
1159 | byte1 = N/D + min_byte1 | |
1160 | byte2 = N\D + min_char_or_byte2 | |
1161 | ||
1162 | where: | |
1163 | ||
1164 | D = max_char_or_byte2 - min_char_or_byte2 + 1 | |
1165 | / = integer division | |
1166 | \ = integer modulus */ | |
1167 | if (char2b->byte1 >= font->min_byte1 | |
1168 | && char2b->byte1 <= font->max_byte1 | |
1169 | && char2b->byte2 >= font->min_char_or_byte2 | |
1170 | && char2b->byte2 <= font->max_char_or_byte2) | |
1171 | { | |
1172 | pcm = (font->per_char | |
1173 | + ((font->max_char_or_byte2 - font->min_char_or_byte2 + 1) | |
1174 | * (char2b->byte1 - font->min_byte1)) | |
1175 | + (char2b->byte2 - font->min_char_or_byte2)); | |
1176 | } | |
dc6f92b8 | 1177 | } |
06a2c219 GM |
1178 | } |
1179 | else | |
1180 | { | |
1181 | /* If the per_char pointer is null, all glyphs between the first | |
1182 | and last character indexes inclusive have the same | |
1183 | information, as given by both min_bounds and max_bounds. */ | |
1184 | if (char2b->byte2 >= font->min_char_or_byte2 | |
1185 | && char2b->byte2 <= font->max_char_or_byte2) | |
1186 | pcm = &font->max_bounds; | |
1187 | } | |
dc6f92b8 | 1188 | |
ee569018 KH |
1189 | return ((pcm == NULL |
1190 | || pcm->width == 0 && (pcm->rbearing - pcm->lbearing) == 0) | |
1191 | ? NULL : pcm); | |
06a2c219 | 1192 | } |
b73b6aaf | 1193 | |
57b03282 | 1194 | |
06a2c219 GM |
1195 | /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is |
1196 | the two-byte form of C. Encoding is returned in *CHAR2B. */ | |
dc43ef94 | 1197 | |
06a2c219 GM |
1198 | static INLINE void |
1199 | x_encode_char (c, char2b, font_info) | |
1200 | int c; | |
1201 | XChar2b *char2b; | |
1202 | struct font_info *font_info; | |
1203 | { | |
1204 | int charset = CHAR_CHARSET (c); | |
1205 | XFontStruct *font = font_info->font; | |
1206 | ||
1207 | /* FONT_INFO may define a scheme by which to encode byte1 and byte2. | |
1208 | This may be either a program in a special encoder language or a | |
1209 | fixed encoding. */ | |
1210 | if (font_info->font_encoder) | |
1211 | { | |
1212 | /* It's a program. */ | |
1213 | struct ccl_program *ccl = font_info->font_encoder; | |
1214 | ||
1215 | if (CHARSET_DIMENSION (charset) == 1) | |
1216 | { | |
1217 | ccl->reg[0] = charset; | |
1218 | ccl->reg[1] = char2b->byte2; | |
1219 | } | |
1220 | else | |
1221 | { | |
1222 | ccl->reg[0] = charset; | |
1223 | ccl->reg[1] = char2b->byte1; | |
1224 | ccl->reg[2] = char2b->byte2; | |
1225 | } | |
1226 | ||
1227 | ccl_driver (ccl, NULL, NULL, 0, 0, NULL); | |
1228 | ||
1229 | /* We assume that MSBs are appropriately set/reset by CCL | |
1230 | program. */ | |
1231 | if (font->max_byte1 == 0) /* 1-byte font */ | |
ee569018 | 1232 | char2b->byte1 = 0, char2b->byte2 = ccl->reg[1]; |
06a2c219 GM |
1233 | else |
1234 | char2b->byte1 = ccl->reg[1], char2b->byte2 = ccl->reg[2]; | |
1235 | } | |
1236 | else if (font_info->encoding[charset]) | |
1237 | { | |
1238 | /* Fixed encoding scheme. See fontset.h for the meaning of the | |
1239 | encoding numbers. */ | |
1240 | int enc = font_info->encoding[charset]; | |
1241 | ||
1242 | if ((enc == 1 || enc == 2) | |
1243 | && CHARSET_DIMENSION (charset) == 2) | |
1244 | char2b->byte1 |= 0x80; | |
1245 | ||
1246 | if (enc == 1 || enc == 3) | |
1247 | char2b->byte2 |= 0x80; | |
1248 | } | |
1249 | } | |
1250 | ||
1251 | ||
1252 | /* Get face and two-byte form of character C in face FACE_ID on frame | |
1253 | F. The encoding of C is returned in *CHAR2B. MULTIBYTE_P non-zero | |
1254 | means we want to display multibyte text. Value is a pointer to a | |
1255 | realized face that is ready for display. */ | |
1256 | ||
1257 | static INLINE struct face * | |
1258 | x_get_char_face_and_encoding (f, c, face_id, char2b, multibyte_p) | |
1259 | struct frame *f; | |
1260 | int c, face_id; | |
1261 | XChar2b *char2b; | |
1262 | int multibyte_p; | |
1263 | { | |
1264 | struct face *face = FACE_FROM_ID (f, face_id); | |
1265 | ||
1266 | if (!multibyte_p) | |
1267 | { | |
1268 | /* Unibyte case. We don't have to encode, but we have to make | |
1269 | sure to use a face suitable for unibyte. */ | |
1270 | char2b->byte1 = 0; | |
1271 | char2b->byte2 = c; | |
ee569018 KH |
1272 | face_id = FACE_FOR_CHAR (f, face, c); |
1273 | face = FACE_FROM_ID (f, face_id); | |
06a2c219 GM |
1274 | } |
1275 | else if (c < 128 && face_id < BASIC_FACE_ID_SENTINEL) | |
1276 | { | |
1277 | /* Case of ASCII in a face known to fit ASCII. */ | |
1278 | char2b->byte1 = 0; | |
1279 | char2b->byte2 = c; | |
1280 | } | |
1281 | else | |
1282 | { | |
1283 | int c1, c2, charset; | |
1284 | ||
1285 | /* Split characters into bytes. If c2 is -1 afterwards, C is | |
1286 | really a one-byte character so that byte1 is zero. */ | |
1287 | SPLIT_CHAR (c, charset, c1, c2); | |
1288 | if (c2 > 0) | |
1289 | char2b->byte1 = c1, char2b->byte2 = c2; | |
1290 | else | |
1291 | char2b->byte1 = 0, char2b->byte2 = c1; | |
1292 | ||
06a2c219 | 1293 | /* Maybe encode the character in *CHAR2B. */ |
ee569018 | 1294 | if (face->font != NULL) |
06a2c219 GM |
1295 | { |
1296 | struct font_info *font_info | |
1297 | = FONT_INFO_FROM_ID (f, face->font_info_id); | |
1298 | if (font_info) | |
ee569018 | 1299 | x_encode_char (c, char2b, font_info); |
06a2c219 GM |
1300 | } |
1301 | } | |
1302 | ||
1303 | /* Make sure X resources of the face are allocated. */ | |
1304 | xassert (face != NULL); | |
1305 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
1306 | ||
1307 | return face; | |
1308 | } | |
1309 | ||
1310 | ||
1311 | /* Get face and two-byte form of character glyph GLYPH on frame F. | |
43d120d8 | 1312 | The encoding of GLYPH->u.ch is returned in *CHAR2B. Value is |
06a2c219 GM |
1313 | a pointer to a realized face that is ready for display. */ |
1314 | ||
1315 | static INLINE struct face * | |
ee569018 | 1316 | x_get_glyph_face_and_encoding (f, glyph, char2b, two_byte_p) |
06a2c219 GM |
1317 | struct frame *f; |
1318 | struct glyph *glyph; | |
1319 | XChar2b *char2b; | |
ee569018 | 1320 | int *two_byte_p; |
06a2c219 GM |
1321 | { |
1322 | struct face *face; | |
1323 | ||
1324 | xassert (glyph->type == CHAR_GLYPH); | |
43d120d8 | 1325 | face = FACE_FROM_ID (f, glyph->face_id); |
06a2c219 | 1326 | |
ee569018 KH |
1327 | if (two_byte_p) |
1328 | *two_byte_p = 0; | |
1329 | ||
06a2c219 GM |
1330 | if (!glyph->multibyte_p) |
1331 | { | |
1332 | /* Unibyte case. We don't have to encode, but we have to make | |
1333 | sure to use a face suitable for unibyte. */ | |
1334 | char2b->byte1 = 0; | |
43d120d8 | 1335 | char2b->byte2 = glyph->u.ch; |
06a2c219 | 1336 | } |
43d120d8 KH |
1337 | else if (glyph->u.ch < 128 |
1338 | && glyph->face_id < BASIC_FACE_ID_SENTINEL) | |
06a2c219 GM |
1339 | { |
1340 | /* Case of ASCII in a face known to fit ASCII. */ | |
1341 | char2b->byte1 = 0; | |
43d120d8 | 1342 | char2b->byte2 = glyph->u.ch; |
06a2c219 GM |
1343 | } |
1344 | else | |
1345 | { | |
1346 | int c1, c2, charset; | |
1347 | ||
1348 | /* Split characters into bytes. If c2 is -1 afterwards, C is | |
1349 | really a one-byte character so that byte1 is zero. */ | |
43d120d8 | 1350 | SPLIT_CHAR (glyph->u.ch, charset, c1, c2); |
06a2c219 GM |
1351 | if (c2 > 0) |
1352 | char2b->byte1 = c1, char2b->byte2 = c2; | |
1353 | else | |
1354 | char2b->byte1 = 0, char2b->byte2 = c1; | |
1355 | ||
1356 | /* Maybe encode the character in *CHAR2B. */ | |
1357 | if (charset != CHARSET_ASCII) | |
1358 | { | |
1359 | struct font_info *font_info | |
1360 | = FONT_INFO_FROM_ID (f, face->font_info_id); | |
1361 | if (font_info) | |
1362 | { | |
43d120d8 | 1363 | x_encode_char (glyph->u.ch, char2b, font_info); |
ee569018 KH |
1364 | if (two_byte_p) |
1365 | *two_byte_p | |
1366 | = ((XFontStruct *) (font_info->font))->max_byte1 > 0; | |
06a2c219 GM |
1367 | } |
1368 | } | |
1369 | } | |
1370 | ||
1371 | /* Make sure X resources of the face are allocated. */ | |
1372 | xassert (face != NULL); | |
1373 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
1374 | return face; | |
1375 | } | |
1376 | ||
1377 | ||
1378 | /* Store one glyph for IT->char_to_display in IT->glyph_row. | |
1379 | Called from x_produce_glyphs when IT->glyph_row is non-null. */ | |
1380 | ||
1381 | static INLINE void | |
1382 | x_append_glyph (it) | |
1383 | struct it *it; | |
1384 | { | |
1385 | struct glyph *glyph; | |
1386 | enum glyph_row_area area = it->area; | |
1387 | ||
1388 | xassert (it->glyph_row); | |
1389 | xassert (it->char_to_display != '\n' && it->char_to_display != '\t'); | |
1390 | ||
1391 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1392 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1393 | { | |
1394 | /* Play it safe. If sub-structures of the glyph are not all the | |
1395 | same size, it otherwise be that some bits stay set. This | |
1396 | would prevent a comparison with GLYPH_EQUAL_P. */ | |
1397 | glyph->u.val = 0; | |
1398 | ||
1399 | glyph->type = CHAR_GLYPH; | |
1400 | glyph->pixel_width = it->pixel_width; | |
43d120d8 KH |
1401 | glyph->u.ch = it->char_to_display; |
1402 | glyph->face_id = it->face_id; | |
06a2c219 GM |
1403 | glyph->charpos = CHARPOS (it->position); |
1404 | glyph->object = it->object; | |
1405 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1406 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1407 | glyph->voffset = it->voffset; | |
1408 | glyph->multibyte_p = it->multibyte_p; | |
66ac4b0e GM |
1409 | glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent |
1410 | || it->phys_descent > it->descent); | |
ee569018 | 1411 | glyph->glyph_not_available_p = it->glyph_not_available_p; |
06a2c219 GM |
1412 | ++it->glyph_row->used[area]; |
1413 | } | |
1414 | } | |
1415 | ||
b4192550 KH |
1416 | /* Store one glyph for the composition IT->cmp_id in IT->glyph_row. |
1417 | Called from x_produce_glyphs when IT->glyph_row is non-null. */ | |
1418 | ||
1419 | static INLINE void | |
1420 | x_append_composite_glyph (it) | |
1421 | struct it *it; | |
1422 | { | |
1423 | struct glyph *glyph; | |
1424 | enum glyph_row_area area = it->area; | |
1425 | ||
1426 | xassert (it->glyph_row); | |
1427 | ||
1428 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1429 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1430 | { | |
1431 | /* Play it safe. If sub-structures of the glyph are not all the | |
1432 | same size, it otherwise be that some bits stay set. This | |
1433 | would prevent a comparison with GLYPH_EQUAL_P. */ | |
1434 | glyph->u.val = 0; | |
1435 | ||
1436 | glyph->type = COMPOSITE_GLYPH; | |
1437 | glyph->pixel_width = it->pixel_width; | |
43d120d8 KH |
1438 | glyph->u.cmp_id = it->cmp_id; |
1439 | glyph->face_id = it->face_id; | |
b4192550 KH |
1440 | glyph->charpos = CHARPOS (it->position); |
1441 | glyph->object = it->object; | |
1442 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1443 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1444 | glyph->voffset = it->voffset; | |
1445 | glyph->multibyte_p = it->multibyte_p; | |
1446 | glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent | |
1447 | || it->phys_descent > it->descent); | |
1448 | ++it->glyph_row->used[area]; | |
1449 | } | |
1450 | } | |
1451 | ||
06a2c219 GM |
1452 | |
1453 | /* Change IT->ascent and IT->height according to the setting of | |
1454 | IT->voffset. */ | |
1455 | ||
1456 | static INLINE void | |
1457 | take_vertical_position_into_account (it) | |
1458 | struct it *it; | |
1459 | { | |
1460 | if (it->voffset) | |
1461 | { | |
1462 | if (it->voffset < 0) | |
1463 | /* Increase the ascent so that we can display the text higher | |
1464 | in the line. */ | |
1465 | it->ascent += abs (it->voffset); | |
1466 | else | |
1467 | /* Increase the descent so that we can display the text lower | |
1468 | in the line. */ | |
1469 | it->descent += it->voffset; | |
1470 | } | |
1471 | } | |
1472 | ||
1473 | ||
1474 | /* Produce glyphs/get display metrics for the image IT is loaded with. | |
1475 | See the description of struct display_iterator in dispextern.h for | |
1476 | an overview of struct display_iterator. */ | |
1477 | ||
1478 | static void | |
1479 | x_produce_image_glyph (it) | |
1480 | struct it *it; | |
1481 | { | |
1482 | struct image *img; | |
1483 | struct face *face; | |
1484 | ||
1485 | xassert (it->what == IT_IMAGE); | |
1486 | ||
1487 | face = FACE_FROM_ID (it->f, it->face_id); | |
1488 | img = IMAGE_FROM_ID (it->f, it->image_id); | |
1489 | xassert (img); | |
1490 | ||
1491 | /* Make sure X resources of the face and image are loaded. */ | |
1492 | PREPARE_FACE_FOR_DISPLAY (it->f, face); | |
1493 | prepare_image_for_display (it->f, img); | |
1494 | ||
95af8492 | 1495 | it->ascent = it->phys_ascent = image_ascent (img, face); |
66ac4b0e | 1496 | it->descent = it->phys_descent = img->height + 2 * img->margin - it->ascent; |
06a2c219 GM |
1497 | it->pixel_width = img->width + 2 * img->margin; |
1498 | ||
1499 | it->nglyphs = 1; | |
1500 | ||
1501 | if (face->box != FACE_NO_BOX) | |
1502 | { | |
1503 | it->ascent += face->box_line_width; | |
1504 | it->descent += face->box_line_width; | |
1505 | ||
1506 | if (it->start_of_box_run_p) | |
1507 | it->pixel_width += face->box_line_width; | |
1508 | if (it->end_of_box_run_p) | |
1509 | it->pixel_width += face->box_line_width; | |
1510 | } | |
1511 | ||
1512 | take_vertical_position_into_account (it); | |
1513 | ||
1514 | if (it->glyph_row) | |
1515 | { | |
1516 | struct glyph *glyph; | |
1517 | enum glyph_row_area area = it->area; | |
1518 | ||
1519 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1520 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1521 | { | |
1522 | glyph->type = IMAGE_GLYPH; | |
43d120d8 KH |
1523 | glyph->u.img_id = img->id; |
1524 | glyph->face_id = it->face_id; | |
06a2c219 GM |
1525 | glyph->pixel_width = it->pixel_width; |
1526 | glyph->charpos = CHARPOS (it->position); | |
1527 | glyph->object = it->object; | |
1528 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1529 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1530 | glyph->voffset = it->voffset; | |
1531 | glyph->multibyte_p = it->multibyte_p; | |
1532 | ++it->glyph_row->used[area]; | |
1533 | } | |
1534 | } | |
1535 | } | |
1536 | ||
1537 | ||
1538 | /* Append a stretch glyph to IT->glyph_row. OBJECT is the source | |
1539 | of the glyph, WIDTH and HEIGHT are the width and height of the | |
1540 | stretch. ASCENT is the percentage/100 of HEIGHT to use for the | |
1541 | ascent of the glyph (0 <= ASCENT <= 1). */ | |
1542 | ||
1543 | static void | |
1544 | x_append_stretch_glyph (it, object, width, height, ascent) | |
1545 | struct it *it; | |
1546 | Lisp_Object object; | |
1547 | int width, height; | |
1548 | double ascent; | |
1549 | { | |
1550 | struct glyph *glyph; | |
1551 | enum glyph_row_area area = it->area; | |
1552 | ||
1553 | xassert (ascent >= 0 && ascent <= 1); | |
1554 | ||
1555 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1556 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1557 | { | |
1558 | glyph->type = STRETCH_GLYPH; | |
1559 | glyph->u.stretch.ascent = height * ascent; | |
1560 | glyph->u.stretch.height = height; | |
43d120d8 | 1561 | glyph->face_id = it->face_id; |
06a2c219 GM |
1562 | glyph->pixel_width = width; |
1563 | glyph->charpos = CHARPOS (it->position); | |
1564 | glyph->object = object; | |
1565 | glyph->left_box_line_p = it->start_of_box_run_p; | |
1566 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1567 | glyph->voffset = it->voffset; | |
1568 | glyph->multibyte_p = it->multibyte_p; | |
1569 | ++it->glyph_row->used[area]; | |
1570 | } | |
1571 | } | |
1572 | ||
1573 | ||
1574 | /* Produce a stretch glyph for iterator IT. IT->object is the value | |
1575 | of the glyph property displayed. The value must be a list | |
1576 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1577 | being recognized: | |
1578 | ||
1579 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1580 | canonical char width wide. WIDTH may be an integer or floating | |
1581 | point number. | |
1582 | ||
1583 | 2. `:relative-width FACTOR' specifies that the width of the stretch | |
1584 | should be computed from the width of the first character having the | |
1585 | `glyph' property, and should be FACTOR times that width. | |
1586 | ||
1587 | 3. `:align-to HPOS' specifies that the space should be wide enough | |
1588 | to reach HPOS, a value in canonical character units. | |
1589 | ||
1590 | Exactly one of the above pairs must be present. | |
1591 | ||
1592 | 4. `:height HEIGHT' specifies that the height of the stretch produced | |
1593 | should be HEIGHT, measured in canonical character units. | |
1594 | ||
1595 | 5. `:relative-height FACTOR' specifies that the height of the the | |
1596 | stretch should be FACTOR times the height of the characters having | |
1597 | the glyph property. | |
1598 | ||
1599 | Either none or exactly one of 4 or 5 must be present. | |
1600 | ||
1601 | 6. `:ascent ASCENT' specifies that ASCENT percent of the height | |
1602 | of the stretch should be used for the ascent of the stretch. | |
1603 | ASCENT must be in the range 0 <= ASCENT <= 100. */ | |
1604 | ||
1605 | #define NUMVAL(X) \ | |
1606 | ((INTEGERP (X) || FLOATP (X)) \ | |
1607 | ? XFLOATINT (X) \ | |
1608 | : - 1) | |
1609 | ||
1610 | ||
1611 | static void | |
1612 | x_produce_stretch_glyph (it) | |
1613 | struct it *it; | |
1614 | { | |
1615 | /* (space :width WIDTH :height HEIGHT. */ | |
1616 | extern Lisp_Object QCwidth, QCheight, QCascent, Qspace; | |
1617 | extern Lisp_Object QCrelative_width, QCrelative_height; | |
1618 | extern Lisp_Object QCalign_to; | |
1619 | Lisp_Object prop, plist; | |
1620 | double width = 0, height = 0, ascent = 0; | |
1621 | struct face *face = FACE_FROM_ID (it->f, it->face_id); | |
1622 | XFontStruct *font = face->font ? face->font : FRAME_FONT (it->f); | |
1623 | ||
1624 | PREPARE_FACE_FOR_DISPLAY (it->f, face); | |
1625 | ||
1626 | /* List should start with `space'. */ | |
1627 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1628 | plist = XCDR (it->object); | |
1629 | ||
1630 | /* Compute the width of the stretch. */ | |
1631 | if (prop = Fplist_get (plist, QCwidth), | |
1632 | NUMVAL (prop) > 0) | |
1633 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1634 | width = NUMVAL (prop) * CANON_X_UNIT (it->f); | |
1635 | else if (prop = Fplist_get (plist, QCrelative_width), | |
1636 | NUMVAL (prop) > 0) | |
1637 | { | |
1638 | /* Relative width `:relative-width FACTOR' specified and valid. | |
1639 | Compute the width of the characters having the `glyph' | |
1640 | property. */ | |
1641 | struct it it2; | |
1642 | unsigned char *p = BYTE_POS_ADDR (IT_BYTEPOS (*it)); | |
1643 | ||
1644 | it2 = *it; | |
1645 | if (it->multibyte_p) | |
1646 | { | |
1647 | int maxlen = ((IT_BYTEPOS (*it) >= GPT ? ZV : GPT) | |
1648 | - IT_BYTEPOS (*it)); | |
1649 | it2.c = STRING_CHAR_AND_LENGTH (p, maxlen, it2.len); | |
1650 | } | |
1651 | else | |
1652 | it2.c = *p, it2.len = 1; | |
1653 | ||
1654 | it2.glyph_row = NULL; | |
1655 | it2.what = IT_CHARACTER; | |
1656 | x_produce_glyphs (&it2); | |
1657 | width = NUMVAL (prop) * it2.pixel_width; | |
1658 | } | |
1659 | else if (prop = Fplist_get (plist, QCalign_to), | |
1660 | NUMVAL (prop) > 0) | |
1661 | width = NUMVAL (prop) * CANON_X_UNIT (it->f) - it->current_x; | |
1662 | else | |
1663 | /* Nothing specified -> width defaults to canonical char width. */ | |
1664 | width = CANON_X_UNIT (it->f); | |
1665 | ||
1666 | /* Compute height. */ | |
1667 | if (prop = Fplist_get (plist, QCheight), | |
1668 | NUMVAL (prop) > 0) | |
1669 | height = NUMVAL (prop) * CANON_Y_UNIT (it->f); | |
1670 | else if (prop = Fplist_get (plist, QCrelative_height), | |
1671 | NUMVAL (prop) > 0) | |
1672 | height = FONT_HEIGHT (font) * NUMVAL (prop); | |
1673 | else | |
1674 | height = FONT_HEIGHT (font); | |
1675 | ||
1676 | /* Compute percentage of height used for ascent. If | |
1677 | `:ascent ASCENT' is present and valid, use that. Otherwise, | |
1678 | derive the ascent from the font in use. */ | |
1679 | if (prop = Fplist_get (plist, QCascent), | |
1680 | NUMVAL (prop) > 0 && NUMVAL (prop) <= 100) | |
1681 | ascent = NUMVAL (prop) / 100.0; | |
1682 | else | |
1683 | ascent = (double) font->ascent / FONT_HEIGHT (font); | |
1684 | ||
1685 | if (width <= 0) | |
1686 | width = 1; | |
1687 | if (height <= 0) | |
1688 | height = 1; | |
1689 | ||
1690 | if (it->glyph_row) | |
1691 | { | |
1692 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1693 | if (!STRINGP (object)) | |
1694 | object = it->w->buffer; | |
1695 | x_append_stretch_glyph (it, object, width, height, ascent); | |
1696 | } | |
1697 | ||
1698 | it->pixel_width = width; | |
66ac4b0e GM |
1699 | it->ascent = it->phys_ascent = height * ascent; |
1700 | it->descent = it->phys_descent = height - it->ascent; | |
06a2c219 GM |
1701 | it->nglyphs = 1; |
1702 | ||
1703 | if (face->box != FACE_NO_BOX) | |
1704 | { | |
1705 | it->ascent += face->box_line_width; | |
1706 | it->descent += face->box_line_width; | |
1707 | ||
1708 | if (it->start_of_box_run_p) | |
1709 | it->pixel_width += face->box_line_width; | |
1710 | if (it->end_of_box_run_p) | |
1711 | it->pixel_width += face->box_line_width; | |
1712 | } | |
1713 | ||
1714 | take_vertical_position_into_account (it); | |
1715 | } | |
1716 | ||
b4192550 KH |
1717 | /* Return proper value to be used as baseline offset of font that has |
1718 | ASCENT and DESCENT to draw characters by the font at the vertical | |
1719 | center of the line of frame F. | |
1720 | ||
1721 | Here, out task is to find the value of BOFF in the following figure; | |
1722 | ||
1723 | -------------------------+-----------+- | |
1724 | -+-+---------+-+ | | | |
1725 | | | | | | | | |
1726 | | | | | F_ASCENT F_HEIGHT | |
1727 | | | | ASCENT | | | |
1728 | HEIGHT | | | | | | |
1729 | | | |-|-+------+-----------|------- baseline | |
1730 | | | | | BOFF | | | |
1731 | | |---------|-+-+ | | | |
1732 | | | | DESCENT | | | |
1733 | -+-+---------+-+ F_DESCENT | | |
1734 | -------------------------+-----------+- | |
1735 | ||
1736 | -BOFF + DESCENT + (F_HEIGHT - HEIGHT) / 2 = F_DESCENT | |
1737 | BOFF = DESCENT + (F_HEIGHT - HEIGHT) / 2 - F_DESCENT | |
1738 | DESCENT = FONT->descent | |
1739 | HEIGHT = FONT_HEIGHT (FONT) | |
1740 | F_DESCENT = (F->output_data.x->font->descent | |
1741 | - F->output_data.x->baseline_offset) | |
1742 | F_HEIGHT = FRAME_LINE_HEIGHT (F) | |
1743 | */ | |
1744 | ||
1745 | #define VCENTER_BASELINE_OFFSET(FONT, F) \ | |
1746 | ((FONT)->descent \ | |
1747 | + (FRAME_LINE_HEIGHT ((F)) - FONT_HEIGHT ((FONT))) / 2 \ | |
1748 | - ((F)->output_data.x->font->descent - (F)->output_data.x->baseline_offset)) | |
06a2c219 GM |
1749 | |
1750 | /* Produce glyphs/get display metrics for the display element IT is | |
1751 | loaded with. See the description of struct display_iterator in | |
1752 | dispextern.h for an overview of struct display_iterator. */ | |
1753 | ||
1754 | static void | |
1755 | x_produce_glyphs (it) | |
1756 | struct it *it; | |
1757 | { | |
ee569018 KH |
1758 | it->glyph_not_available_p = 0; |
1759 | ||
06a2c219 GM |
1760 | if (it->what == IT_CHARACTER) |
1761 | { | |
1762 | XChar2b char2b; | |
1763 | XFontStruct *font; | |
ee569018 | 1764 | struct face *face = FACE_FROM_ID (it->f, it->face_id); |
06a2c219 | 1765 | XCharStruct *pcm; |
06a2c219 | 1766 | int font_not_found_p; |
b4192550 KH |
1767 | struct font_info *font_info; |
1768 | int boff; /* baseline offset */ | |
06a2c219 | 1769 | |
ee569018 KH |
1770 | /* Maybe translate single-byte characters to multibyte, or the |
1771 | other way. */ | |
06a2c219 | 1772 | it->char_to_display = it->c; |
ee569018 | 1773 | if (!ASCII_BYTE_P (it->c)) |
06a2c219 | 1774 | { |
ee569018 KH |
1775 | if (unibyte_display_via_language_environment |
1776 | && SINGLE_BYTE_CHAR_P (it->c) | |
1777 | && (it->c >= 0240 | |
1778 | || !NILP (Vnonascii_translation_table))) | |
1779 | { | |
1780 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
1781 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); | |
1782 | face = FACE_FROM_ID (it->f, it->face_id); | |
1783 | } | |
1784 | else if (!SINGLE_BYTE_CHAR_P (it->c) | |
1785 | && !it->multibyte_p) | |
1786 | { | |
1787 | it->char_to_display = multibyte_char_to_unibyte (it->c, Qnil); | |
1788 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); | |
1789 | face = FACE_FROM_ID (it->f, it->face_id); | |
1790 | } | |
06a2c219 GM |
1791 | } |
1792 | ||
ee569018 KH |
1793 | /* Get font to use. Encode IT->char_to_display. */ |
1794 | x_get_char_face_and_encoding (it->f, it->char_to_display, | |
1795 | it->face_id, &char2b, | |
1796 | it->multibyte_p); | |
06a2c219 GM |
1797 | font = face->font; |
1798 | ||
1799 | /* When no suitable font found, use the default font. */ | |
1800 | font_not_found_p = font == NULL; | |
1801 | if (font_not_found_p) | |
b4192550 KH |
1802 | { |
1803 | font = FRAME_FONT (it->f); | |
1804 | boff = it->f->output_data.x->baseline_offset; | |
1805 | font_info = NULL; | |
1806 | } | |
1807 | else | |
1808 | { | |
1809 | font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
1810 | boff = font_info->baseline_offset; | |
1811 | if (font_info->vertical_centering) | |
1812 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
1813 | } | |
06a2c219 GM |
1814 | |
1815 | if (it->char_to_display >= ' ' | |
1816 | && (!it->multibyte_p || it->char_to_display < 128)) | |
1817 | { | |
1818 | /* Either unibyte or ASCII. */ | |
1819 | int stretched_p; | |
1820 | ||
1821 | it->nglyphs = 1; | |
06a2c219 GM |
1822 | |
1823 | pcm = x_per_char_metric (font, &char2b); | |
b4192550 KH |
1824 | it->ascent = font->ascent + boff; |
1825 | it->descent = font->descent - boff; | |
474848ac GM |
1826 | |
1827 | if (pcm) | |
1828 | { | |
1829 | it->phys_ascent = pcm->ascent + boff; | |
1830 | it->phys_descent = pcm->descent - boff; | |
1831 | it->pixel_width = pcm->width; | |
1832 | } | |
1833 | else | |
1834 | { | |
1835 | it->glyph_not_available_p = 1; | |
1836 | it->phys_ascent = font->ascent + boff; | |
1837 | it->phys_descent = font->descent - boff; | |
1838 | it->pixel_width = FONT_WIDTH (font); | |
1839 | } | |
06a2c219 GM |
1840 | |
1841 | /* If this is a space inside a region of text with | |
1842 | `space-width' property, change its width. */ | |
1843 | stretched_p = it->char_to_display == ' ' && !NILP (it->space_width); | |
1844 | if (stretched_p) | |
1845 | it->pixel_width *= XFLOATINT (it->space_width); | |
1846 | ||
1847 | /* If face has a box, add the box thickness to the character | |
1848 | height. If character has a box line to the left and/or | |
1849 | right, add the box line width to the character's width. */ | |
1850 | if (face->box != FACE_NO_BOX) | |
1851 | { | |
1852 | int thick = face->box_line_width; | |
1853 | ||
1854 | it->ascent += thick; | |
1855 | it->descent += thick; | |
1856 | ||
1857 | if (it->start_of_box_run_p) | |
1858 | it->pixel_width += thick; | |
1859 | if (it->end_of_box_run_p) | |
1860 | it->pixel_width += thick; | |
1861 | } | |
1862 | ||
1863 | /* If face has an overline, add the height of the overline | |
1864 | (1 pixel) and a 1 pixel margin to the character height. */ | |
1865 | if (face->overline_p) | |
1866 | it->ascent += 2; | |
1867 | ||
1868 | take_vertical_position_into_account (it); | |
1869 | ||
1870 | /* If we have to actually produce glyphs, do it. */ | |
1871 | if (it->glyph_row) | |
1872 | { | |
1873 | if (stretched_p) | |
1874 | { | |
1875 | /* Translate a space with a `space-width' property | |
1876 | into a stretch glyph. */ | |
1877 | double ascent = (double) font->ascent / FONT_HEIGHT (font); | |
1878 | x_append_stretch_glyph (it, it->object, it->pixel_width, | |
1879 | it->ascent + it->descent, ascent); | |
1880 | } | |
1881 | else | |
1882 | x_append_glyph (it); | |
1883 | ||
1884 | /* If characters with lbearing or rbearing are displayed | |
1885 | in this line, record that fact in a flag of the | |
1886 | glyph row. This is used to optimize X output code. */ | |
1c7e22fd | 1887 | if (pcm && (pcm->lbearing < 0 || pcm->rbearing > pcm->width)) |
06a2c219 GM |
1888 | it->glyph_row->contains_overlapping_glyphs_p = 1; |
1889 | } | |
1890 | } | |
1891 | else if (it->char_to_display == '\n') | |
1892 | { | |
1893 | /* A newline has no width but we need the height of the line. */ | |
1894 | it->pixel_width = 0; | |
1895 | it->nglyphs = 0; | |
b4192550 KH |
1896 | it->ascent = it->phys_ascent = font->ascent + boff; |
1897 | it->descent = it->phys_descent = font->descent - boff; | |
06a2c219 GM |
1898 | |
1899 | if (face->box != FACE_NO_BOX) | |
1900 | { | |
1901 | int thick = face->box_line_width; | |
1902 | it->ascent += thick; | |
1903 | it->descent += thick; | |
1904 | } | |
1905 | } | |
1906 | else if (it->char_to_display == '\t') | |
1907 | { | |
1908 | int tab_width = it->tab_width * CANON_X_UNIT (it->f); | |
d365f5bb | 1909 | int x = it->current_x + it->continuation_lines_width; |
06a2c219 GM |
1910 | int next_tab_x = ((1 + x + tab_width - 1) / tab_width) * tab_width; |
1911 | ||
1912 | it->pixel_width = next_tab_x - x; | |
1913 | it->nglyphs = 1; | |
b4192550 KH |
1914 | it->ascent = it->phys_ascent = font->ascent + boff; |
1915 | it->descent = it->phys_descent = font->descent - boff; | |
06a2c219 GM |
1916 | |
1917 | if (it->glyph_row) | |
1918 | { | |
1919 | double ascent = (double) it->ascent / (it->ascent + it->descent); | |
1920 | x_append_stretch_glyph (it, it->object, it->pixel_width, | |
1921 | it->ascent + it->descent, ascent); | |
1922 | } | |
1923 | } | |
1924 | else | |
1925 | { | |
1926 | /* A multi-byte character. Assume that the display width of the | |
1927 | character is the width of the character multiplied by the | |
b4192550 | 1928 | width of the font. */ |
06a2c219 | 1929 | |
b4192550 KH |
1930 | /* If we found a font, this font should give us the right |
1931 | metrics. If we didn't find a font, use the frame's | |
1932 | default font and calculate the width of the character | |
1933 | from the charset width; this is what old redisplay code | |
1934 | did. */ | |
1935 | pcm = x_per_char_metric (font, &char2b); | |
ee569018 KH |
1936 | if (font_not_found_p || !pcm) |
1937 | { | |
1938 | int charset = CHAR_CHARSET (it->char_to_display); | |
1939 | ||
1940 | it->glyph_not_available_p = 1; | |
1941 | it->pixel_width = (FONT_WIDTH (FRAME_FONT (it->f)) | |
1942 | * CHARSET_WIDTH (charset)); | |
1943 | it->phys_ascent = font->ascent + boff; | |
1944 | it->phys_descent = font->descent - boff; | |
1945 | } | |
1946 | else | |
1947 | { | |
1948 | it->pixel_width = pcm->width; | |
1949 | it->phys_ascent = pcm->ascent + boff; | |
1950 | it->phys_descent = pcm->descent - boff; | |
1951 | if (it->glyph_row | |
1952 | && (pcm->lbearing < 0 | |
1953 | || pcm->rbearing > pcm->width)) | |
1954 | it->glyph_row->contains_overlapping_glyphs_p = 1; | |
1955 | } | |
b4192550 KH |
1956 | it->nglyphs = 1; |
1957 | it->ascent = font->ascent + boff; | |
1958 | it->descent = font->descent - boff; | |
06a2c219 GM |
1959 | if (face->box != FACE_NO_BOX) |
1960 | { | |
1961 | int thick = face->box_line_width; | |
1962 | it->ascent += thick; | |
1963 | it->descent += thick; | |
1964 | ||
1965 | if (it->start_of_box_run_p) | |
1966 | it->pixel_width += thick; | |
1967 | if (it->end_of_box_run_p) | |
1968 | it->pixel_width += thick; | |
1969 | } | |
1970 | ||
1971 | /* If face has an overline, add the height of the overline | |
1972 | (1 pixel) and a 1 pixel margin to the character height. */ | |
1973 | if (face->overline_p) | |
1974 | it->ascent += 2; | |
1975 | ||
1976 | take_vertical_position_into_account (it); | |
1977 | ||
1978 | if (it->glyph_row) | |
1979 | x_append_glyph (it); | |
1980 | } | |
1981 | } | |
b4192550 KH |
1982 | else if (it->what == IT_COMPOSITION) |
1983 | { | |
1984 | /* Note: A composition is represented as one glyph in the | |
1985 | glyph matrix. There are no padding glyphs. */ | |
1986 | XChar2b char2b; | |
1987 | XFontStruct *font; | |
ee569018 | 1988 | struct face *face = FACE_FROM_ID (it->f, it->face_id); |
b4192550 KH |
1989 | XCharStruct *pcm; |
1990 | int font_not_found_p; | |
1991 | struct font_info *font_info; | |
1992 | int boff; /* baseline offset */ | |
1993 | struct composition *cmp = composition_table[it->cmp_id]; | |
1994 | ||
1995 | /* Maybe translate single-byte characters to multibyte. */ | |
1996 | it->char_to_display = it->c; | |
1997 | if (unibyte_display_via_language_environment | |
1998 | && SINGLE_BYTE_CHAR_P (it->c) | |
1999 | && (it->c >= 0240 | |
2000 | || (it->c >= 0200 | |
2001 | && !NILP (Vnonascii_translation_table)))) | |
2002 | { | |
2003 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
b4192550 KH |
2004 | } |
2005 | ||
2006 | /* Get face and font to use. Encode IT->char_to_display. */ | |
ee569018 KH |
2007 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); |
2008 | face = FACE_FROM_ID (it->f, it->face_id); | |
2009 | x_get_char_face_and_encoding (it->f, it->char_to_display, | |
2010 | it->face_id, &char2b, it->multibyte_p); | |
b4192550 KH |
2011 | font = face->font; |
2012 | ||
2013 | /* When no suitable font found, use the default font. */ | |
2014 | font_not_found_p = font == NULL; | |
2015 | if (font_not_found_p) | |
2016 | { | |
2017 | font = FRAME_FONT (it->f); | |
2018 | boff = it->f->output_data.x->baseline_offset; | |
2019 | font_info = NULL; | |
2020 | } | |
2021 | else | |
2022 | { | |
2023 | font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
2024 | boff = font_info->baseline_offset; | |
2025 | if (font_info->vertical_centering) | |
2026 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
2027 | } | |
2028 | ||
2029 | /* There are no padding glyphs, so there is only one glyph to | |
2030 | produce for the composition. Important is that pixel_width, | |
2031 | ascent and descent are the values of what is drawn by | |
2032 | draw_glyphs (i.e. the values of the overall glyphs composed). */ | |
2033 | it->nglyphs = 1; | |
2034 | ||
2035 | /* If we have not yet calculated pixel size data of glyphs of | |
2036 | the composition for the current face font, calculate them | |
2037 | now. Theoretically, we have to check all fonts for the | |
2038 | glyphs, but that requires much time and memory space. So, | |
2039 | here we check only the font of the first glyph. This leads | |
2040 | to incorrect display very rarely, and C-l (recenter) can | |
2041 | correct the display anyway. */ | |
2042 | if (cmp->font != (void *) font) | |
2043 | { | |
2044 | /* Ascent and descent of the font of the first character of | |
2045 | this composition (adjusted by baseline offset). Ascent | |
2046 | and descent of overall glyphs should not be less than | |
2047 | them respectively. */ | |
2048 | int font_ascent = font->ascent + boff; | |
2049 | int font_descent = font->descent - boff; | |
2050 | /* Bounding box of the overall glyphs. */ | |
2051 | int leftmost, rightmost, lowest, highest; | |
329bed06 | 2052 | int i, width, ascent, descent; |
b4192550 KH |
2053 | |
2054 | cmp->font = (void *) font; | |
2055 | ||
2056 | /* Initialize the bounding box. */ | |
2057 | pcm = x_per_char_metric (font, &char2b); | |
329bed06 GM |
2058 | if (pcm) |
2059 | { | |
2060 | width = pcm->width; | |
2061 | ascent = pcm->ascent; | |
2062 | descent = pcm->descent; | |
2063 | } | |
2064 | else | |
2065 | { | |
2066 | width = FONT_WIDTH (font); | |
2067 | ascent = font->ascent; | |
2068 | descent = font->descent; | |
2069 | } | |
2070 | ||
2071 | rightmost = width; | |
2072 | lowest = - descent + boff; | |
2073 | highest = ascent + boff; | |
b4192550 | 2074 | leftmost = 0; |
329bed06 | 2075 | |
b4192550 KH |
2076 | if (font_info |
2077 | && font_info->default_ascent | |
2078 | && CHAR_TABLE_P (Vuse_default_ascent) | |
2079 | && !NILP (Faref (Vuse_default_ascent, | |
2080 | make_number (it->char_to_display)))) | |
2081 | highest = font_info->default_ascent + boff; | |
2082 | ||
2083 | /* Draw the first glyph at the normal position. It may be | |
2084 | shifted to right later if some other glyphs are drawn at | |
2085 | the left. */ | |
2086 | cmp->offsets[0] = 0; | |
2087 | cmp->offsets[1] = boff; | |
2088 | ||
2089 | /* Set cmp->offsets for the remaining glyphs. */ | |
2090 | for (i = 1; i < cmp->glyph_len; i++) | |
2091 | { | |
2092 | int left, right, btm, top; | |
2093 | int ch = COMPOSITION_GLYPH (cmp, i); | |
ee569018 KH |
2094 | int face_id = FACE_FOR_CHAR (it->f, face, ch); |
2095 | ||
2096 | face = FACE_FROM_ID (it->f, face_id); | |
2097 | x_get_char_face_and_encoding (it->f, ch, face->id, &char2b, | |
2098 | it->multibyte_p); | |
b4192550 KH |
2099 | font = face->font; |
2100 | if (font == NULL) | |
2101 | { | |
2102 | font = FRAME_FONT (it->f); | |
2103 | boff = it->f->output_data.x->baseline_offset; | |
2104 | font_info = NULL; | |
2105 | } | |
2106 | else | |
2107 | { | |
2108 | font_info | |
2109 | = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
2110 | boff = font_info->baseline_offset; | |
2111 | if (font_info->vertical_centering) | |
2112 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
2113 | } | |
2114 | ||
2115 | pcm = x_per_char_metric (font, &char2b); | |
329bed06 GM |
2116 | if (pcm) |
2117 | { | |
2118 | width = pcm->width; | |
2119 | ascent = pcm->ascent; | |
2120 | descent = pcm->descent; | |
2121 | } | |
2122 | else | |
2123 | { | |
2124 | width = FONT_WIDTH (font); | |
2125 | ascent = font->ascent; | |
2126 | descent = font->descent; | |
2127 | } | |
b4192550 KH |
2128 | |
2129 | if (cmp->method != COMPOSITION_WITH_RULE_ALTCHARS) | |
2130 | { | |
2131 | /* Relative composition with or without | |
2132 | alternate chars. */ | |
329bed06 GM |
2133 | left = (leftmost + rightmost - width) / 2; |
2134 | btm = - descent + boff; | |
b4192550 KH |
2135 | if (font_info && font_info->relative_compose |
2136 | && (! CHAR_TABLE_P (Vignore_relative_composition) | |
2137 | || NILP (Faref (Vignore_relative_composition, | |
2138 | make_number (ch))))) | |
2139 | { | |
2140 | ||
329bed06 | 2141 | if (- descent >= font_info->relative_compose) |
b4192550 KH |
2142 | /* One extra pixel between two glyphs. */ |
2143 | btm = highest + 1; | |
329bed06 | 2144 | else if (ascent <= 0) |
b4192550 | 2145 | /* One extra pixel between two glyphs. */ |
329bed06 | 2146 | btm = lowest - 1 - ascent - descent; |
b4192550 KH |
2147 | } |
2148 | } | |
2149 | else | |
2150 | { | |
2151 | /* A composition rule is specified by an integer | |
2152 | value that encodes global and new reference | |
2153 | points (GREF and NREF). GREF and NREF are | |
2154 | specified by numbers as below: | |
2155 | ||
2156 | 0---1---2 -- ascent | |
2157 | | | | |
2158 | | | | |
2159 | | | | |
2160 | 9--10--11 -- center | |
2161 | | | | |
2162 | ---3---4---5--- baseline | |
2163 | | | | |
2164 | 6---7---8 -- descent | |
2165 | */ | |
2166 | int rule = COMPOSITION_RULE (cmp, i); | |
2167 | int gref, nref, grefx, grefy, nrefx, nrefy; | |
2168 | ||
2169 | COMPOSITION_DECODE_RULE (rule, gref, nref); | |
2170 | grefx = gref % 3, nrefx = nref % 3; | |
2171 | grefy = gref / 3, nrefy = nref / 3; | |
2172 | ||
2173 | left = (leftmost | |
2174 | + grefx * (rightmost - leftmost) / 2 | |
329bed06 | 2175 | - nrefx * width / 2); |
b4192550 KH |
2176 | btm = ((grefy == 0 ? highest |
2177 | : grefy == 1 ? 0 | |
2178 | : grefy == 2 ? lowest | |
2179 | : (highest + lowest) / 2) | |
329bed06 GM |
2180 | - (nrefy == 0 ? ascent + descent |
2181 | : nrefy == 1 ? descent - boff | |
b4192550 | 2182 | : nrefy == 2 ? 0 |
329bed06 | 2183 | : (ascent + descent) / 2)); |
b4192550 KH |
2184 | } |
2185 | ||
2186 | cmp->offsets[i * 2] = left; | |
329bed06 | 2187 | cmp->offsets[i * 2 + 1] = btm + descent; |
b4192550 KH |
2188 | |
2189 | /* Update the bounding box of the overall glyphs. */ | |
329bed06 GM |
2190 | right = left + width; |
2191 | top = btm + descent + ascent; | |
b4192550 KH |
2192 | if (left < leftmost) |
2193 | leftmost = left; | |
2194 | if (right > rightmost) | |
2195 | rightmost = right; | |
2196 | if (top > highest) | |
2197 | highest = top; | |
2198 | if (btm < lowest) | |
2199 | lowest = btm; | |
2200 | } | |
2201 | ||
2202 | /* If there are glyphs whose x-offsets are negative, | |
2203 | shift all glyphs to the right and make all x-offsets | |
2204 | non-negative. */ | |
2205 | if (leftmost < 0) | |
2206 | { | |
2207 | for (i = 0; i < cmp->glyph_len; i++) | |
2208 | cmp->offsets[i * 2] -= leftmost; | |
2209 | rightmost -= leftmost; | |
2210 | } | |
2211 | ||
2212 | cmp->pixel_width = rightmost; | |
2213 | cmp->ascent = highest; | |
2214 | cmp->descent = - lowest; | |
2215 | if (cmp->ascent < font_ascent) | |
2216 | cmp->ascent = font_ascent; | |
2217 | if (cmp->descent < font_descent) | |
2218 | cmp->descent = font_descent; | |
2219 | } | |
2220 | ||
2221 | it->pixel_width = cmp->pixel_width; | |
2222 | it->ascent = it->phys_ascent = cmp->ascent; | |
2223 | it->descent = it->phys_descent = cmp->descent; | |
2224 | ||
2225 | if (face->box != FACE_NO_BOX) | |
2226 | { | |
2227 | int thick = face->box_line_width; | |
2228 | it->ascent += thick; | |
2229 | it->descent += thick; | |
2230 | ||
2231 | if (it->start_of_box_run_p) | |
2232 | it->pixel_width += thick; | |
2233 | if (it->end_of_box_run_p) | |
2234 | it->pixel_width += thick; | |
2235 | } | |
2236 | ||
2237 | /* If face has an overline, add the height of the overline | |
2238 | (1 pixel) and a 1 pixel margin to the character height. */ | |
2239 | if (face->overline_p) | |
2240 | it->ascent += 2; | |
2241 | ||
2242 | take_vertical_position_into_account (it); | |
2243 | ||
2244 | if (it->glyph_row) | |
2245 | x_append_composite_glyph (it); | |
2246 | } | |
06a2c219 GM |
2247 | else if (it->what == IT_IMAGE) |
2248 | x_produce_image_glyph (it); | |
2249 | else if (it->what == IT_STRETCH) | |
2250 | x_produce_stretch_glyph (it); | |
2251 | ||
3017fdd1 GM |
2252 | /* Accumulate dimensions. Note: can't assume that it->descent > 0 |
2253 | because this isn't true for images with `:ascent 100'. */ | |
2254 | xassert (it->ascent >= 0 && it->descent >= 0); | |
06a2c219 GM |
2255 | if (it->area == TEXT_AREA) |
2256 | it->current_x += it->pixel_width; | |
66ac4b0e | 2257 | |
d365f5bb GM |
2258 | it->descent += it->extra_line_spacing; |
2259 | ||
06a2c219 GM |
2260 | it->max_ascent = max (it->max_ascent, it->ascent); |
2261 | it->max_descent = max (it->max_descent, it->descent); | |
66ac4b0e GM |
2262 | it->max_phys_ascent = max (it->max_phys_ascent, it->phys_ascent); |
2263 | it->max_phys_descent = max (it->max_phys_descent, it->phys_descent); | |
06a2c219 GM |
2264 | } |
2265 | ||
2266 | ||
2267 | /* Estimate the pixel height of the mode or top line on frame F. | |
2268 | FACE_ID specifies what line's height to estimate. */ | |
2269 | ||
2270 | int | |
2271 | x_estimate_mode_line_height (f, face_id) | |
2272 | struct frame *f; | |
2273 | enum face_id face_id; | |
2274 | { | |
2275 | int height = 1; | |
2276 | ||
2277 | /* This function is called so early when Emacs starts that the face | |
2278 | cache and mode line face are not yet initialized. */ | |
2279 | if (FRAME_FACE_CACHE (f)) | |
2280 | { | |
2281 | struct face *face = FACE_FROM_ID (f, face_id); | |
2282 | if (face) | |
2283 | height = FONT_HEIGHT (face->font) + 2 * face->box_line_width; | |
2284 | } | |
2285 | ||
2286 | return height; | |
2287 | } | |
2288 | ||
2289 | \f | |
2290 | /*********************************************************************** | |
2291 | Glyph display | |
2292 | ***********************************************************************/ | |
2293 | ||
2294 | /* A sequence of glyphs to be drawn in the same face. | |
2295 | ||
2296 | This data structure is not really completely X specific, so it | |
2297 | could possibly, at least partially, be useful for other systems. It | |
2298 | is currently not part of the external redisplay interface because | |
2299 | it's not clear what other systems will need. */ | |
2300 | ||
2301 | struct glyph_string | |
2302 | { | |
2303 | /* X-origin of the string. */ | |
2304 | int x; | |
2305 | ||
2306 | /* Y-origin and y-position of the base line of this string. */ | |
2307 | int y, ybase; | |
2308 | ||
2309 | /* The width of the string, not including a face extension. */ | |
2310 | int width; | |
2311 | ||
2312 | /* The width of the string, including a face extension. */ | |
2313 | int background_width; | |
2314 | ||
2315 | /* The height of this string. This is the height of the line this | |
2316 | string is drawn in, and can be different from the height of the | |
2317 | font the string is drawn in. */ | |
2318 | int height; | |
2319 | ||
2320 | /* Number of pixels this string overwrites in front of its x-origin. | |
2321 | This number is zero if the string has an lbearing >= 0; it is | |
2322 | -lbearing, if the string has an lbearing < 0. */ | |
2323 | int left_overhang; | |
2324 | ||
2325 | /* Number of pixels this string overwrites past its right-most | |
2326 | nominal x-position, i.e. x + width. Zero if the string's | |
2327 | rbearing is <= its nominal width, rbearing - width otherwise. */ | |
2328 | int right_overhang; | |
2329 | ||
2330 | /* The frame on which the glyph string is drawn. */ | |
2331 | struct frame *f; | |
2332 | ||
2333 | /* The window on which the glyph string is drawn. */ | |
2334 | struct window *w; | |
2335 | ||
2336 | /* X display and window for convenience. */ | |
2337 | Display *display; | |
2338 | Window window; | |
2339 | ||
2340 | /* The glyph row for which this string was built. It determines the | |
2341 | y-origin and height of the string. */ | |
2342 | struct glyph_row *row; | |
2343 | ||
2344 | /* The area within row. */ | |
2345 | enum glyph_row_area area; | |
2346 | ||
2347 | /* Characters to be drawn, and number of characters. */ | |
2348 | XChar2b *char2b; | |
2349 | int nchars; | |
2350 | ||
06a2c219 GM |
2351 | /* A face-override for drawing cursors, mouse face and similar. */ |
2352 | enum draw_glyphs_face hl; | |
2353 | ||
2354 | /* Face in which this string is to be drawn. */ | |
2355 | struct face *face; | |
2356 | ||
2357 | /* Font in which this string is to be drawn. */ | |
2358 | XFontStruct *font; | |
2359 | ||
2360 | /* Font info for this string. */ | |
2361 | struct font_info *font_info; | |
2362 | ||
b4192550 KH |
2363 | /* Non-null means this string describes (part of) a composition. |
2364 | All characters from char2b are drawn composed. */ | |
2365 | struct composition *cmp; | |
06a2c219 GM |
2366 | |
2367 | /* Index of this glyph string's first character in the glyph | |
b4192550 KH |
2368 | definition of CMP. If this is zero, this glyph string describes |
2369 | the first character of a composition. */ | |
06a2c219 GM |
2370 | int gidx; |
2371 | ||
2372 | /* 1 means this glyph strings face has to be drawn to the right end | |
2373 | of the window's drawing area. */ | |
2374 | unsigned extends_to_end_of_line_p : 1; | |
2375 | ||
2376 | /* 1 means the background of this string has been drawn. */ | |
2377 | unsigned background_filled_p : 1; | |
2378 | ||
2379 | /* 1 means glyph string must be drawn with 16-bit functions. */ | |
2380 | unsigned two_byte_p : 1; | |
2381 | ||
2382 | /* 1 means that the original font determined for drawing this glyph | |
2383 | string could not be loaded. The member `font' has been set to | |
2384 | the frame's default font in this case. */ | |
2385 | unsigned font_not_found_p : 1; | |
2386 | ||
2387 | /* 1 means that the face in which this glyph string is drawn has a | |
2388 | stipple pattern. */ | |
2389 | unsigned stippled_p : 1; | |
2390 | ||
66ac4b0e GM |
2391 | /* 1 means only the foreground of this glyph string must be drawn, |
2392 | and we should use the physical height of the line this glyph | |
2393 | string appears in as clip rect. */ | |
2394 | unsigned for_overlaps_p : 1; | |
2395 | ||
06a2c219 GM |
2396 | /* The GC to use for drawing this glyph string. */ |
2397 | GC gc; | |
2398 | ||
2399 | /* A pointer to the first glyph in the string. This glyph | |
2400 | corresponds to char2b[0]. Needed to draw rectangles if | |
2401 | font_not_found_p is 1. */ | |
2402 | struct glyph *first_glyph; | |
2403 | ||
2404 | /* Image, if any. */ | |
2405 | struct image *img; | |
2406 | ||
2407 | struct glyph_string *next, *prev; | |
2408 | }; | |
2409 | ||
2410 | ||
5c187dee | 2411 | #if 0 |
06a2c219 GM |
2412 | |
2413 | static void | |
2414 | x_dump_glyph_string (s) | |
2415 | struct glyph_string *s; | |
2416 | { | |
2417 | fprintf (stderr, "glyph string\n"); | |
2418 | fprintf (stderr, " x, y, w, h = %d, %d, %d, %d\n", | |
2419 | s->x, s->y, s->width, s->height); | |
2420 | fprintf (stderr, " ybase = %d\n", s->ybase); | |
2421 | fprintf (stderr, " hl = %d\n", s->hl); | |
2422 | fprintf (stderr, " left overhang = %d, right = %d\n", | |
2423 | s->left_overhang, s->right_overhang); | |
2424 | fprintf (stderr, " nchars = %d\n", s->nchars); | |
2425 | fprintf (stderr, " extends to end of line = %d\n", | |
2426 | s->extends_to_end_of_line_p); | |
2427 | fprintf (stderr, " font height = %d\n", FONT_HEIGHT (s->font)); | |
2428 | fprintf (stderr, " bg width = %d\n", s->background_width); | |
2429 | } | |
2430 | ||
2431 | #endif /* GLYPH_DEBUG */ | |
2432 | ||
2433 | ||
2434 | ||
2435 | static void x_append_glyph_string_lists P_ ((struct glyph_string **, | |
2436 | struct glyph_string **, | |
2437 | struct glyph_string *, | |
2438 | struct glyph_string *)); | |
2439 | static void x_prepend_glyph_string_lists P_ ((struct glyph_string **, | |
2440 | struct glyph_string **, | |
2441 | struct glyph_string *, | |
2442 | struct glyph_string *)); | |
2443 | static void x_append_glyph_string P_ ((struct glyph_string **, | |
2444 | struct glyph_string **, | |
2445 | struct glyph_string *)); | |
2446 | static int x_left_overwritten P_ ((struct glyph_string *)); | |
2447 | static int x_left_overwriting P_ ((struct glyph_string *)); | |
2448 | static int x_right_overwritten P_ ((struct glyph_string *)); | |
2449 | static int x_right_overwriting P_ ((struct glyph_string *)); | |
66ac4b0e GM |
2450 | static int x_fill_glyph_string P_ ((struct glyph_string *, int, int, int, |
2451 | int)); | |
06a2c219 GM |
2452 | static void x_init_glyph_string P_ ((struct glyph_string *, |
2453 | XChar2b *, struct window *, | |
2454 | struct glyph_row *, | |
2455 | enum glyph_row_area, int, | |
2456 | enum draw_glyphs_face)); | |
2457 | static int x_draw_glyphs P_ ((struct window *, int , struct glyph_row *, | |
2458 | enum glyph_row_area, int, int, | |
66ac4b0e | 2459 | enum draw_glyphs_face, int *, int *, int)); |
06a2c219 GM |
2460 | static void x_set_glyph_string_clipping P_ ((struct glyph_string *)); |
2461 | static void x_set_glyph_string_gc P_ ((struct glyph_string *)); | |
2462 | static void x_draw_glyph_string_background P_ ((struct glyph_string *, | |
2463 | int)); | |
2464 | static void x_draw_glyph_string_foreground P_ ((struct glyph_string *)); | |
b4192550 | 2465 | static void x_draw_composite_glyph_string_foreground P_ ((struct glyph_string *)); |
06a2c219 GM |
2466 | static void x_draw_glyph_string_box P_ ((struct glyph_string *)); |
2467 | static void x_draw_glyph_string P_ ((struct glyph_string *)); | |
2468 | static void x_compute_glyph_string_overhangs P_ ((struct glyph_string *)); | |
2469 | static void x_set_cursor_gc P_ ((struct glyph_string *)); | |
2470 | static void x_set_mode_line_face_gc P_ ((struct glyph_string *)); | |
2471 | static void x_set_mouse_face_gc P_ ((struct glyph_string *)); | |
2472 | static void x_get_glyph_overhangs P_ ((struct glyph *, struct frame *, | |
2473 | int *, int *)); | |
2474 | static void x_compute_overhangs_and_x P_ ((struct glyph_string *, int, int)); | |
2475 | static int x_alloc_lighter_color P_ ((struct frame *, Display *, Colormap, | |
68c45bf0 | 2476 | unsigned long *, double, int)); |
06a2c219 | 2477 | static void x_setup_relief_color P_ ((struct frame *, struct relief *, |
68c45bf0 | 2478 | double, int, unsigned long)); |
06a2c219 GM |
2479 | static void x_setup_relief_colors P_ ((struct glyph_string *)); |
2480 | static void x_draw_image_glyph_string P_ ((struct glyph_string *)); | |
2481 | static void x_draw_image_relief P_ ((struct glyph_string *)); | |
2482 | static void x_draw_image_foreground P_ ((struct glyph_string *)); | |
2483 | static void x_draw_image_foreground_1 P_ ((struct glyph_string *, Pixmap)); | |
2484 | static void x_fill_image_glyph_string P_ ((struct glyph_string *)); | |
2485 | static void x_clear_glyph_string_rect P_ ((struct glyph_string *, int, | |
2486 | int, int, int)); | |
2487 | static void x_draw_relief_rect P_ ((struct frame *, int, int, int, int, | |
2488 | int, int, int, int, XRectangle *)); | |
2489 | static void x_draw_box_rect P_ ((struct glyph_string *, int, int, int, int, | |
2490 | int, int, int, XRectangle *)); | |
66ac4b0e GM |
2491 | static void x_fix_overlapping_area P_ ((struct window *, struct glyph_row *, |
2492 | enum glyph_row_area)); | |
06a2c219 GM |
2493 | |
2494 | ||
06a2c219 GM |
2495 | /* Append the list of glyph strings with head H and tail T to the list |
2496 | with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the result. */ | |
2497 | ||
2498 | static INLINE void | |
2499 | x_append_glyph_string_lists (head, tail, h, t) | |
2500 | struct glyph_string **head, **tail; | |
2501 | struct glyph_string *h, *t; | |
2502 | { | |
2503 | if (h) | |
2504 | { | |
2505 | if (*head) | |
2506 | (*tail)->next = h; | |
2507 | else | |
2508 | *head = h; | |
2509 | h->prev = *tail; | |
2510 | *tail = t; | |
2511 | } | |
2512 | } | |
2513 | ||
2514 | ||
2515 | /* Prepend the list of glyph strings with head H and tail T to the | |
2516 | list with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the | |
2517 | result. */ | |
2518 | ||
2519 | static INLINE void | |
2520 | x_prepend_glyph_string_lists (head, tail, h, t) | |
2521 | struct glyph_string **head, **tail; | |
2522 | struct glyph_string *h, *t; | |
2523 | { | |
2524 | if (h) | |
2525 | { | |
2526 | if (*head) | |
2527 | (*head)->prev = t; | |
2528 | else | |
2529 | *tail = t; | |
2530 | t->next = *head; | |
2531 | *head = h; | |
2532 | } | |
2533 | } | |
2534 | ||
2535 | ||
2536 | /* Append glyph string S to the list with head *HEAD and tail *TAIL. | |
2537 | Set *HEAD and *TAIL to the resulting list. */ | |
2538 | ||
2539 | static INLINE void | |
2540 | x_append_glyph_string (head, tail, s) | |
2541 | struct glyph_string **head, **tail; | |
2542 | struct glyph_string *s; | |
2543 | { | |
2544 | s->next = s->prev = NULL; | |
2545 | x_append_glyph_string_lists (head, tail, s, s); | |
2546 | } | |
2547 | ||
2548 | ||
2549 | /* Set S->gc to a suitable GC for drawing glyph string S in cursor | |
2550 | face. */ | |
2551 | ||
2552 | static void | |
2553 | x_set_cursor_gc (s) | |
2554 | struct glyph_string *s; | |
2555 | { | |
2556 | if (s->font == FRAME_FONT (s->f) | |
2557 | && s->face->background == FRAME_BACKGROUND_PIXEL (s->f) | |
2558 | && s->face->foreground == FRAME_FOREGROUND_PIXEL (s->f) | |
b4192550 | 2559 | && !s->cmp) |
06a2c219 GM |
2560 | s->gc = s->f->output_data.x->cursor_gc; |
2561 | else | |
2562 | { | |
2563 | /* Cursor on non-default face: must merge. */ | |
2564 | XGCValues xgcv; | |
2565 | unsigned long mask; | |
2566 | ||
2567 | xgcv.background = s->f->output_data.x->cursor_pixel; | |
2568 | xgcv.foreground = s->face->background; | |
2569 | ||
2570 | /* If the glyph would be invisible, try a different foreground. */ | |
2571 | if (xgcv.foreground == xgcv.background) | |
2572 | xgcv.foreground = s->face->foreground; | |
2573 | if (xgcv.foreground == xgcv.background) | |
2574 | xgcv.foreground = s->f->output_data.x->cursor_foreground_pixel; | |
2575 | if (xgcv.foreground == xgcv.background) | |
2576 | xgcv.foreground = s->face->foreground; | |
2577 | ||
2578 | /* Make sure the cursor is distinct from text in this face. */ | |
2579 | if (xgcv.background == s->face->background | |
2580 | && xgcv.foreground == s->face->foreground) | |
2581 | { | |
2582 | xgcv.background = s->face->foreground; | |
2583 | xgcv.foreground = s->face->background; | |
2584 | } | |
2585 | ||
2586 | IF_DEBUG (x_check_font (s->f, s->font)); | |
2587 | xgcv.font = s->font->fid; | |
2588 | xgcv.graphics_exposures = False; | |
2589 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
2590 | ||
2591 | if (FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc) | |
2592 | XChangeGC (s->display, FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc, | |
2593 | mask, &xgcv); | |
2594 | else | |
2595 | FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc | |
2596 | = XCreateGC (s->display, s->window, mask, &xgcv); | |
2597 | ||
2598 | s->gc = FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc; | |
2599 | } | |
2600 | } | |
2601 | ||
2602 | ||
2603 | /* Set up S->gc of glyph string S for drawing text in mouse face. */ | |
2604 | ||
2605 | static void | |
2606 | x_set_mouse_face_gc (s) | |
2607 | struct glyph_string *s; | |
2608 | { | |
2609 | int face_id; | |
ee569018 | 2610 | struct face *face; |
06a2c219 GM |
2611 | |
2612 | /* What face has to be used for the mouse face? */ | |
2613 | face_id = FRAME_X_DISPLAY_INFO (s->f)->mouse_face_face_id; | |
ee569018 | 2614 | face = FACE_FROM_ID (s->f, face_id); |
033e3e18 GM |
2615 | if (s->first_glyph->type == CHAR_GLYPH) |
2616 | face_id = FACE_FOR_CHAR (s->f, face, s->first_glyph->u.ch); | |
2617 | else | |
2618 | face_id = FACE_FOR_CHAR (s->f, face, 0); | |
06a2c219 GM |
2619 | s->face = FACE_FROM_ID (s->f, face_id); |
2620 | PREPARE_FACE_FOR_DISPLAY (s->f, s->face); | |
2621 | ||
2622 | /* If font in this face is same as S->font, use it. */ | |
2623 | if (s->font == s->face->font) | |
2624 | s->gc = s->face->gc; | |
2625 | else | |
2626 | { | |
2627 | /* Otherwise construct scratch_cursor_gc with values from FACE | |
2628 | but font FONT. */ | |
2629 | XGCValues xgcv; | |
2630 | unsigned long mask; | |
2631 | ||
2632 | xgcv.background = s->face->background; | |
2633 | xgcv.foreground = s->face->foreground; | |
2634 | IF_DEBUG (x_check_font (s->f, s->font)); | |
2635 | xgcv.font = s->font->fid; | |
2636 | xgcv.graphics_exposures = False; | |
2637 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
2638 | ||
2639 | if (FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc) | |
2640 | XChangeGC (s->display, FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc, | |
2641 | mask, &xgcv); | |
2642 | else | |
2643 | FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc | |
2644 | = XCreateGC (s->display, s->window, mask, &xgcv); | |
2645 | ||
2646 | s->gc = FRAME_X_DISPLAY_INFO (s->f)->scratch_cursor_gc; | |
2647 | } | |
2648 | ||
2649 | xassert (s->gc != 0); | |
2650 | } | |
2651 | ||
2652 | ||
2653 | /* Set S->gc of glyph string S to a GC suitable for drawing a mode line. | |
2654 | Faces to use in the mode line have already been computed when the | |
2655 | matrix was built, so there isn't much to do, here. */ | |
2656 | ||
2657 | static INLINE void | |
2658 | x_set_mode_line_face_gc (s) | |
2659 | struct glyph_string *s; | |
2660 | { | |
2661 | s->gc = s->face->gc; | |
2662 | xassert (s->gc != 0); | |
2663 | } | |
2664 | ||
2665 | ||
2666 | /* Set S->gc of glyph string S for drawing that glyph string. Set | |
2667 | S->stippled_p to a non-zero value if the face of S has a stipple | |
2668 | pattern. */ | |
2669 | ||
2670 | static INLINE void | |
2671 | x_set_glyph_string_gc (s) | |
2672 | struct glyph_string *s; | |
2673 | { | |
2674 | if (s->hl == DRAW_NORMAL_TEXT) | |
2675 | { | |
2676 | s->gc = s->face->gc; | |
2677 | s->stippled_p = s->face->stipple != 0; | |
2678 | } | |
2679 | else if (s->hl == DRAW_INVERSE_VIDEO) | |
2680 | { | |
2681 | x_set_mode_line_face_gc (s); | |
2682 | s->stippled_p = s->face->stipple != 0; | |
2683 | } | |
2684 | else if (s->hl == DRAW_CURSOR) | |
2685 | { | |
2686 | x_set_cursor_gc (s); | |
2687 | s->stippled_p = 0; | |
2688 | } | |
2689 | else if (s->hl == DRAW_MOUSE_FACE) | |
2690 | { | |
2691 | x_set_mouse_face_gc (s); | |
2692 | s->stippled_p = s->face->stipple != 0; | |
2693 | } | |
2694 | else if (s->hl == DRAW_IMAGE_RAISED | |
2695 | || s->hl == DRAW_IMAGE_SUNKEN) | |
2696 | { | |
2697 | s->gc = s->face->gc; | |
2698 | s->stippled_p = s->face->stipple != 0; | |
2699 | } | |
2700 | else | |
2701 | { | |
2702 | s->gc = s->face->gc; | |
2703 | s->stippled_p = s->face->stipple != 0; | |
2704 | } | |
2705 | ||
2706 | /* GC must have been set. */ | |
2707 | xassert (s->gc != 0); | |
2708 | } | |
2709 | ||
2710 | ||
2711 | /* Return in *R the clipping rectangle for glyph string S. */ | |
2712 | ||
2713 | static void | |
2714 | x_get_glyph_string_clip_rect (s, r) | |
2715 | struct glyph_string *s; | |
2716 | XRectangle *r; | |
2717 | { | |
2718 | if (s->row->full_width_p) | |
2719 | { | |
2720 | /* Draw full-width. X coordinates are relative to S->w->left. */ | |
1da3fd71 GM |
2721 | int canon_x = CANON_X_UNIT (s->f); |
2722 | ||
2723 | r->x = WINDOW_LEFT_MARGIN (s->w) * canon_x; | |
2724 | r->width = XFASTINT (s->w->width) * canon_x; | |
06a2c219 GM |
2725 | |
2726 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (s->f)) | |
2727 | { | |
1da3fd71 | 2728 | int width = FRAME_SCROLL_BAR_WIDTH (s->f) * canon_x; |
06a2c219 GM |
2729 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (s->f)) |
2730 | r->x -= width; | |
2731 | } | |
2732 | ||
b9432a85 | 2733 | r->x += FRAME_INTERNAL_BORDER_WIDTH (s->f); |
1da3fd71 | 2734 | |
06a2c219 GM |
2735 | /* Unless displaying a mode or menu bar line, which are always |
2736 | fully visible, clip to the visible part of the row. */ | |
2737 | if (s->w->pseudo_window_p) | |
2738 | r->height = s->row->visible_height; | |
2739 | else | |
2740 | r->height = s->height; | |
2741 | } | |
2742 | else | |
2743 | { | |
2744 | /* This is a text line that may be partially visible. */ | |
2745 | r->x = WINDOW_AREA_TO_FRAME_PIXEL_X (s->w, s->area, 0); | |
2746 | r->width = window_box_width (s->w, s->area); | |
2747 | r->height = s->row->visible_height; | |
2748 | } | |
2749 | ||
2750 | /* Don't use S->y for clipping because it doesn't take partially | |
2751 | visible lines into account. For example, it can be negative for | |
2752 | partially visible lines at the top of a window. */ | |
2753 | if (!s->row->full_width_p | |
2754 | && MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P (s->w, s->row)) | |
045dee35 | 2755 | r->y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w); |
06a2c219 GM |
2756 | else |
2757 | r->y = max (0, s->row->y); | |
06a2c219 | 2758 | |
9ea173e8 | 2759 | /* If drawing a tool-bar window, draw it over the internal border |
06a2c219 | 2760 | at the top of the window. */ |
9ea173e8 | 2761 | if (s->w == XWINDOW (s->f->tool_bar_window)) |
06a2c219 | 2762 | r->y -= s->f->output_data.x->internal_border_width; |
66ac4b0e GM |
2763 | |
2764 | /* If S draws overlapping rows, it's sufficient to use the top and | |
2765 | bottom of the window for clipping because this glyph string | |
2766 | intentionally draws over other lines. */ | |
2767 | if (s->for_overlaps_p) | |
2768 | { | |
045dee35 | 2769 | r->y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w); |
66ac4b0e GM |
2770 | r->height = window_text_bottom_y (s->w) - r->y; |
2771 | } | |
2772 | ||
2773 | r->y = WINDOW_TO_FRAME_PIXEL_Y (s->w, r->y); | |
06a2c219 GM |
2774 | } |
2775 | ||
2776 | ||
2777 | /* Set clipping for output of glyph string S. S may be part of a mode | |
2778 | line or menu if we don't have X toolkit support. */ | |
2779 | ||
2780 | static INLINE void | |
2781 | x_set_glyph_string_clipping (s) | |
2782 | struct glyph_string *s; | |
2783 | { | |
2784 | XRectangle r; | |
2785 | x_get_glyph_string_clip_rect (s, &r); | |
2786 | XSetClipRectangles (s->display, s->gc, 0, 0, &r, 1, Unsorted); | |
2787 | } | |
2788 | ||
2789 | ||
2790 | /* Compute left and right overhang of glyph string S. If S is a glyph | |
b4192550 | 2791 | string for a composition, assume overhangs don't exist. */ |
06a2c219 GM |
2792 | |
2793 | static INLINE void | |
2794 | x_compute_glyph_string_overhangs (s) | |
2795 | struct glyph_string *s; | |
2796 | { | |
b4192550 | 2797 | if (s->cmp == NULL |
06a2c219 GM |
2798 | && s->first_glyph->type == CHAR_GLYPH) |
2799 | { | |
2800 | XCharStruct cs; | |
2801 | int direction, font_ascent, font_descent; | |
2802 | XTextExtents16 (s->font, s->char2b, s->nchars, &direction, | |
2803 | &font_ascent, &font_descent, &cs); | |
2804 | s->right_overhang = cs.rbearing > cs.width ? cs.rbearing - cs.width : 0; | |
2805 | s->left_overhang = cs.lbearing < 0 ? -cs.lbearing : 0; | |
2806 | } | |
2807 | } | |
2808 | ||
2809 | ||
2810 | /* Compute overhangs and x-positions for glyph string S and its | |
2811 | predecessors, or successors. X is the starting x-position for S. | |
2812 | BACKWARD_P non-zero means process predecessors. */ | |
2813 | ||
2814 | static void | |
2815 | x_compute_overhangs_and_x (s, x, backward_p) | |
2816 | struct glyph_string *s; | |
2817 | int x; | |
2818 | int backward_p; | |
2819 | { | |
2820 | if (backward_p) | |
2821 | { | |
2822 | while (s) | |
2823 | { | |
2824 | x_compute_glyph_string_overhangs (s); | |
2825 | x -= s->width; | |
2826 | s->x = x; | |
2827 | s = s->prev; | |
2828 | } | |
2829 | } | |
2830 | else | |
2831 | { | |
2832 | while (s) | |
2833 | { | |
2834 | x_compute_glyph_string_overhangs (s); | |
2835 | s->x = x; | |
2836 | x += s->width; | |
2837 | s = s->next; | |
2838 | } | |
2839 | } | |
2840 | } | |
2841 | ||
2842 | ||
2843 | /* Set *LEFT and *RIGHT to the left and right overhang of GLYPH on | |
b4192550 KH |
2844 | frame F. Overhangs of glyphs other than type CHAR_GLYPH are |
2845 | assumed to be zero. */ | |
06a2c219 GM |
2846 | |
2847 | static void | |
2848 | x_get_glyph_overhangs (glyph, f, left, right) | |
2849 | struct glyph *glyph; | |
2850 | struct frame *f; | |
2851 | int *left, *right; | |
2852 | { | |
2853 | int c; | |
2854 | ||
2855 | *left = *right = 0; | |
2856 | ||
b4192550 | 2857 | if (glyph->type == CHAR_GLYPH) |
06a2c219 GM |
2858 | { |
2859 | XFontStruct *font; | |
2860 | struct face *face; | |
2861 | struct font_info *font_info; | |
2862 | XChar2b char2b; | |
ee569018 KH |
2863 | XCharStruct *pcm; |
2864 | ||
2865 | face = x_get_glyph_face_and_encoding (f, glyph, &char2b, NULL); | |
06a2c219 GM |
2866 | font = face->font; |
2867 | font_info = FONT_INFO_FROM_ID (f, face->font_info_id); | |
ee569018 KH |
2868 | if (font |
2869 | && (pcm = x_per_char_metric (font, &char2b))) | |
06a2c219 | 2870 | { |
06a2c219 GM |
2871 | if (pcm->rbearing > pcm->width) |
2872 | *right = pcm->rbearing - pcm->width; | |
2873 | if (pcm->lbearing < 0) | |
2874 | *left = -pcm->lbearing; | |
2875 | } | |
2876 | } | |
2877 | } | |
2878 | ||
2879 | ||
2880 | /* Return the index of the first glyph preceding glyph string S that | |
2881 | is overwritten by S because of S's left overhang. Value is -1 | |
2882 | if no glyphs are overwritten. */ | |
2883 | ||
2884 | static int | |
2885 | x_left_overwritten (s) | |
2886 | struct glyph_string *s; | |
2887 | { | |
2888 | int k; | |
2889 | ||
2890 | if (s->left_overhang) | |
2891 | { | |
2892 | int x = 0, i; | |
2893 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
2894 | int first = s->first_glyph - glyphs; | |
2895 | ||
2896 | for (i = first - 1; i >= 0 && x > -s->left_overhang; --i) | |
2897 | x -= glyphs[i].pixel_width; | |
2898 | ||
2899 | k = i + 1; | |
2900 | } | |
2901 | else | |
2902 | k = -1; | |
2903 | ||
2904 | return k; | |
2905 | } | |
2906 | ||
2907 | ||
2908 | /* Return the index of the first glyph preceding glyph string S that | |
2909 | is overwriting S because of its right overhang. Value is -1 if no | |
2910 | glyph in front of S overwrites S. */ | |
2911 | ||
2912 | static int | |
2913 | x_left_overwriting (s) | |
2914 | struct glyph_string *s; | |
2915 | { | |
2916 | int i, k, x; | |
2917 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
2918 | int first = s->first_glyph - glyphs; | |
2919 | ||
2920 | k = -1; | |
2921 | x = 0; | |
2922 | for (i = first - 1; i >= 0; --i) | |
2923 | { | |
2924 | int left, right; | |
2925 | x_get_glyph_overhangs (glyphs + i, s->f, &left, &right); | |
2926 | if (x + right > 0) | |
2927 | k = i; | |
2928 | x -= glyphs[i].pixel_width; | |
2929 | } | |
2930 | ||
2931 | return k; | |
2932 | } | |
2933 | ||
2934 | ||
2935 | /* Return the index of the last glyph following glyph string S that is | |
2936 | not overwritten by S because of S's right overhang. Value is -1 if | |
2937 | no such glyph is found. */ | |
2938 | ||
2939 | static int | |
2940 | x_right_overwritten (s) | |
2941 | struct glyph_string *s; | |
2942 | { | |
2943 | int k = -1; | |
2944 | ||
2945 | if (s->right_overhang) | |
2946 | { | |
2947 | int x = 0, i; | |
2948 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
b4192550 | 2949 | int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars); |
06a2c219 GM |
2950 | int end = s->row->used[s->area]; |
2951 | ||
2952 | for (i = first; i < end && s->right_overhang > x; ++i) | |
2953 | x += glyphs[i].pixel_width; | |
2954 | ||
2955 | k = i; | |
2956 | } | |
2957 | ||
2958 | return k; | |
2959 | } | |
2960 | ||
2961 | ||
2962 | /* Return the index of the last glyph following glyph string S that | |
2963 | overwrites S because of its left overhang. Value is negative | |
2964 | if no such glyph is found. */ | |
2965 | ||
2966 | static int | |
2967 | x_right_overwriting (s) | |
2968 | struct glyph_string *s; | |
2969 | { | |
2970 | int i, k, x; | |
2971 | int end = s->row->used[s->area]; | |
2972 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
b4192550 | 2973 | int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars); |
06a2c219 GM |
2974 | |
2975 | k = -1; | |
2976 | x = 0; | |
2977 | for (i = first; i < end; ++i) | |
2978 | { | |
2979 | int left, right; | |
2980 | x_get_glyph_overhangs (glyphs + i, s->f, &left, &right); | |
2981 | if (x - left < 0) | |
2982 | k = i; | |
2983 | x += glyphs[i].pixel_width; | |
2984 | } | |
2985 | ||
2986 | return k; | |
2987 | } | |
2988 | ||
2989 | ||
2990 | /* Fill rectangle X, Y, W, H with background color of glyph string S. */ | |
2991 | ||
2992 | static INLINE void | |
2993 | x_clear_glyph_string_rect (s, x, y, w, h) | |
2994 | struct glyph_string *s; | |
2995 | int x, y, w, h; | |
2996 | { | |
2997 | XGCValues xgcv; | |
2998 | XGetGCValues (s->display, s->gc, GCForeground | GCBackground, &xgcv); | |
2999 | XSetForeground (s->display, s->gc, xgcv.background); | |
3000 | XFillRectangle (s->display, s->window, s->gc, x, y, w, h); | |
3001 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
3002 | } | |
3003 | ||
3004 | ||
3005 | /* Draw the background of glyph_string S. If S->background_filled_p | |
3006 | is non-zero don't draw it. FORCE_P non-zero means draw the | |
3007 | background even if it wouldn't be drawn normally. This is used | |
b4192550 KH |
3008 | when a string preceding S draws into the background of S, or S |
3009 | contains the first component of a composition. */ | |
06a2c219 GM |
3010 | |
3011 | static void | |
3012 | x_draw_glyph_string_background (s, force_p) | |
3013 | struct glyph_string *s; | |
3014 | int force_p; | |
3015 | { | |
3016 | /* Nothing to do if background has already been drawn or if it | |
3017 | shouldn't be drawn in the first place. */ | |
3018 | if (!s->background_filled_p) | |
3019 | { | |
b4192550 | 3020 | if (s->stippled_p) |
06a2c219 GM |
3021 | { |
3022 | /* Fill background with a stipple pattern. */ | |
3023 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
3024 | XFillRectangle (s->display, s->window, s->gc, s->x, | |
3025 | s->y + s->face->box_line_width, | |
3026 | s->background_width, | |
3027 | s->height - 2 * s->face->box_line_width); | |
3028 | XSetFillStyle (s->display, s->gc, FillSolid); | |
3029 | s->background_filled_p = 1; | |
3030 | } | |
3031 | else if (FONT_HEIGHT (s->font) < s->height - 2 * s->face->box_line_width | |
3032 | || s->font_not_found_p | |
3033 | || s->extends_to_end_of_line_p | |
06a2c219 GM |
3034 | || force_p) |
3035 | { | |
3036 | x_clear_glyph_string_rect (s, s->x, s->y + s->face->box_line_width, | |
3037 | s->background_width, | |
3038 | s->height - 2 * s->face->box_line_width); | |
3039 | s->background_filled_p = 1; | |
3040 | } | |
3041 | } | |
3042 | } | |
3043 | ||
3044 | ||
3045 | /* Draw the foreground of glyph string S. */ | |
3046 | ||
3047 | static void | |
3048 | x_draw_glyph_string_foreground (s) | |
3049 | struct glyph_string *s; | |
3050 | { | |
3051 | int i, x; | |
3052 | ||
3053 | /* If first glyph of S has a left box line, start drawing the text | |
3054 | of S to the right of that box line. */ | |
3055 | if (s->face->box != FACE_NO_BOX | |
3056 | && s->first_glyph->left_box_line_p) | |
3057 | x = s->x + s->face->box_line_width; | |
3058 | else | |
3059 | x = s->x; | |
3060 | ||
b4192550 KH |
3061 | /* Draw characters of S as rectangles if S's font could not be |
3062 | loaded. */ | |
3063 | if (s->font_not_found_p) | |
06a2c219 | 3064 | { |
b4192550 | 3065 | for (i = 0; i < s->nchars; ++i) |
06a2c219 | 3066 | { |
b4192550 KH |
3067 | struct glyph *g = s->first_glyph + i; |
3068 | XDrawRectangle (s->display, s->window, | |
3069 | s->gc, x, s->y, g->pixel_width - 1, | |
3070 | s->height - 1); | |
3071 | x += g->pixel_width; | |
06a2c219 GM |
3072 | } |
3073 | } | |
3074 | else | |
3075 | { | |
b4192550 KH |
3076 | char *char1b = (char *) s->char2b; |
3077 | int boff = s->font_info->baseline_offset; | |
06a2c219 | 3078 | |
b4192550 KH |
3079 | if (s->font_info->vertical_centering) |
3080 | boff = VCENTER_BASELINE_OFFSET (s->font, s->f) - boff; | |
3081 | ||
3082 | /* If we can use 8-bit functions, condense S->char2b. */ | |
3083 | if (!s->two_byte_p) | |
3084 | for (i = 0; i < s->nchars; ++i) | |
3085 | char1b[i] = s->char2b[i].byte2; | |
3086 | ||
3087 | /* Draw text with XDrawString if background has already been | |
3088 | filled. Otherwise, use XDrawImageString. (Note that | |
3089 | XDrawImageString is usually faster than XDrawString.) Always | |
3090 | use XDrawImageString when drawing the cursor so that there is | |
3091 | no chance that characters under a box cursor are invisible. */ | |
3092 | if (s->for_overlaps_p | |
3093 | || (s->background_filled_p && s->hl != DRAW_CURSOR)) | |
3094 | { | |
3095 | /* Draw characters with 16-bit or 8-bit functions. */ | |
3096 | if (s->two_byte_p) | |
3097 | XDrawString16 (s->display, s->window, s->gc, x, | |
3098 | s->ybase - boff, s->char2b, s->nchars); | |
3099 | else | |
3100 | XDrawString (s->display, s->window, s->gc, x, | |
3101 | s->ybase - boff, char1b, s->nchars); | |
3102 | } | |
06a2c219 GM |
3103 | else |
3104 | { | |
b4192550 KH |
3105 | if (s->two_byte_p) |
3106 | XDrawImageString16 (s->display, s->window, s->gc, x, | |
3107 | s->ybase - boff, s->char2b, s->nchars); | |
06a2c219 | 3108 | else |
b4192550 KH |
3109 | XDrawImageString (s->display, s->window, s->gc, x, |
3110 | s->ybase - boff, char1b, s->nchars); | |
3111 | } | |
3112 | } | |
3113 | } | |
06a2c219 | 3114 | |
b4192550 | 3115 | /* Draw the foreground of composite glyph string S. */ |
06a2c219 | 3116 | |
b4192550 KH |
3117 | static void |
3118 | x_draw_composite_glyph_string_foreground (s) | |
3119 | struct glyph_string *s; | |
3120 | { | |
3121 | int i, x; | |
06a2c219 | 3122 | |
b4192550 KH |
3123 | /* If first glyph of S has a left box line, start drawing the text |
3124 | of S to the right of that box line. */ | |
3125 | if (s->face->box != FACE_NO_BOX | |
3126 | && s->first_glyph->left_box_line_p) | |
3127 | x = s->x + s->face->box_line_width; | |
3128 | else | |
3129 | x = s->x; | |
06a2c219 | 3130 | |
b4192550 KH |
3131 | /* S is a glyph string for a composition. S->gidx is the index of |
3132 | the first character drawn for glyphs of this composition. | |
3133 | S->gidx == 0 means we are drawing the very first character of | |
3134 | this composition. */ | |
06a2c219 | 3135 | |
b4192550 KH |
3136 | /* Draw a rectangle for the composition if the font for the very |
3137 | first character of the composition could not be loaded. */ | |
3138 | if (s->font_not_found_p) | |
3139 | { | |
3140 | if (s->gidx == 0) | |
3141 | XDrawRectangle (s->display, s->window, s->gc, x, s->y, | |
3142 | s->width - 1, s->height - 1); | |
3143 | } | |
3144 | else | |
3145 | { | |
3146 | for (i = 0; i < s->nchars; i++, ++s->gidx) | |
3147 | XDrawString16 (s->display, s->window, s->gc, | |
3148 | x + s->cmp->offsets[s->gidx * 2], | |
3149 | s->ybase - s->cmp->offsets[s->gidx * 2 + 1], | |
3150 | s->char2b + i, 1); | |
06a2c219 GM |
3151 | } |
3152 | } | |
3153 | ||
3154 | ||
80c32bcc GM |
3155 | #ifdef USE_X_TOOLKIT |
3156 | ||
3157 | /* Allocate the color COLOR->pixel on the screen and display of | |
3158 | widget WIDGET in colormap CMAP. If an exact match cannot be | |
3159 | allocated, try the nearest color available. Value is non-zero | |
3160 | if successful. This is called from lwlib. */ | |
3161 | ||
3162 | int | |
3163 | x_alloc_nearest_color_for_widget (widget, cmap, color) | |
3164 | Widget widget; | |
3165 | Colormap cmap; | |
3166 | XColor *color; | |
3167 | { | |
3168 | struct frame *f; | |
3169 | struct x_display_info *dpyinfo; | |
5c187dee | 3170 | Lisp_Object tail; |
80c32bcc GM |
3171 | |
3172 | dpyinfo = x_display_info_for_display (XtDisplay (widget)); | |
3173 | ||
3174 | /* Find the top-level shell of the widget. Note that this function | |
3175 | can be called when the widget is not yet realized, so XtWindow | |
3176 | (widget) == 0. That's the reason we can't simply use | |
3177 | x_any_window_to_frame. */ | |
3178 | while (!XtIsTopLevelShell (widget)) | |
3179 | widget = XtParent (widget); | |
3180 | ||
3181 | /* Look for a frame with that top-level widget. Allocate the color | |
3182 | on that frame to get the right gamma correction value. */ | |
3183 | for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail)) | |
3184 | if (GC_FRAMEP (XCAR (tail)) | |
3185 | && (f = XFRAME (XCAR (tail)), | |
3186 | (f->output_data.nothing != 1 | |
3187 | && FRAME_X_DISPLAY_INFO (f) == dpyinfo)) | |
3188 | && f->output_data.x->widget == widget) | |
3189 | return x_alloc_nearest_color (f, cmap, color); | |
3190 | ||
3191 | abort (); | |
3192 | } | |
3193 | ||
3194 | #endif /* USE_X_TOOLKIT */ | |
3195 | ||
3196 | ||
06a2c219 GM |
3197 | /* Allocate the color COLOR->pixel on SCREEN of DISPLAY, colormap |
3198 | CMAP. If an exact match can't be allocated, try the nearest color | |
3199 | available. Value is non-zero if successful. Set *COLOR to the | |
3200 | color allocated. */ | |
3201 | ||
3202 | int | |
80c32bcc GM |
3203 | x_alloc_nearest_color (f, cmap, color) |
3204 | struct frame *f; | |
06a2c219 GM |
3205 | Colormap cmap; |
3206 | XColor *color; | |
3207 | { | |
80c32bcc GM |
3208 | Display *display = FRAME_X_DISPLAY (f); |
3209 | Screen *screen = FRAME_X_SCREEN (f); | |
3210 | int rc; | |
3211 | ||
3212 | gamma_correct (f, color); | |
3213 | rc = XAllocColor (display, cmap, color); | |
06a2c219 GM |
3214 | if (rc == 0) |
3215 | { | |
3216 | /* If we got to this point, the colormap is full, so we're going | |
3217 | to try to get the next closest color. The algorithm used is | |
3218 | a least-squares matching, which is what X uses for closest | |
3219 | color matching with StaticColor visuals. */ | |
3220 | int nearest, i; | |
3221 | unsigned long nearest_delta = ~0; | |
3222 | int ncells = XDisplayCells (display, XScreenNumberOfScreen (screen)); | |
3223 | XColor *cells = (XColor *) alloca (ncells * sizeof *cells); | |
3224 | ||
3225 | for (i = 0; i < ncells; ++i) | |
3226 | cells[i].pixel = i; | |
3227 | XQueryColors (display, cmap, cells, ncells); | |
3228 | ||
3229 | for (nearest = i = 0; i < ncells; ++i) | |
3230 | { | |
3231 | long dred = (color->red >> 8) - (cells[i].red >> 8); | |
3232 | long dgreen = (color->green >> 8) - (cells[i].green >> 8); | |
3233 | long dblue = (color->blue >> 8) - (cells[i].blue >> 8); | |
3234 | unsigned long delta = dred * dred + dgreen * dgreen + dblue * dblue; | |
3235 | ||
3236 | if (delta < nearest_delta) | |
3237 | { | |
3238 | nearest = i; | |
3239 | nearest_delta = delta; | |
3240 | } | |
3241 | } | |
3242 | ||
3243 | color->red = cells[nearest].red; | |
3244 | color->green = cells[nearest].green; | |
3245 | color->blue = cells[nearest].blue; | |
3246 | rc = XAllocColor (display, cmap, color); | |
3247 | } | |
3248 | ||
d9c545da GM |
3249 | #ifdef DEBUG_X_COLORS |
3250 | if (rc) | |
3251 | register_color (color->pixel); | |
3252 | #endif /* DEBUG_X_COLORS */ | |
3253 | ||
06a2c219 GM |
3254 | return rc; |
3255 | } | |
3256 | ||
3257 | ||
d9c545da GM |
3258 | /* Allocate color PIXEL on frame F. PIXEL must already be allocated. |
3259 | It's necessary to do this instead of just using PIXEL directly to | |
3260 | get color reference counts right. */ | |
3261 | ||
3262 | unsigned long | |
3263 | x_copy_color (f, pixel) | |
3264 | struct frame *f; | |
3265 | unsigned long pixel; | |
3266 | { | |
3267 | XColor color; | |
3268 | ||
3269 | color.pixel = pixel; | |
3270 | BLOCK_INPUT; | |
3271 | XQueryColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), &color); | |
3272 | XAllocColor (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), &color); | |
3273 | UNBLOCK_INPUT; | |
3274 | #ifdef DEBUG_X_COLORS | |
3275 | register_color (pixel); | |
3276 | #endif | |
3277 | return color.pixel; | |
3278 | } | |
3279 | ||
3280 | ||
06a2c219 GM |
3281 | /* Allocate a color which is lighter or darker than *PIXEL by FACTOR |
3282 | or DELTA. Try a color with RGB values multiplied by FACTOR first. | |
3283 | If this produces the same color as PIXEL, try a color where all RGB | |
3284 | values have DELTA added. Return the allocated color in *PIXEL. | |
3285 | DISPLAY is the X display, CMAP is the colormap to operate on. | |
3286 | Value is non-zero if successful. */ | |
3287 | ||
3288 | static int | |
3289 | x_alloc_lighter_color (f, display, cmap, pixel, factor, delta) | |
3290 | struct frame *f; | |
3291 | Display *display; | |
3292 | Colormap cmap; | |
3293 | unsigned long *pixel; | |
68c45bf0 | 3294 | double factor; |
06a2c219 GM |
3295 | int delta; |
3296 | { | |
3297 | XColor color, new; | |
3298 | int success_p; | |
3299 | ||
3300 | /* Get RGB color values. */ | |
3301 | color.pixel = *pixel; | |
3302 | XQueryColor (display, cmap, &color); | |
3303 | ||
3304 | /* Change RGB values by specified FACTOR. Avoid overflow! */ | |
3305 | xassert (factor >= 0); | |
3306 | new.red = min (0xffff, factor * color.red); | |
3307 | new.green = min (0xffff, factor * color.green); | |
3308 | new.blue = min (0xffff, factor * color.blue); | |
3309 | ||
3310 | /* Try to allocate the color. */ | |
80c32bcc | 3311 | success_p = x_alloc_nearest_color (f, cmap, &new); |
06a2c219 GM |
3312 | if (success_p) |
3313 | { | |
3314 | if (new.pixel == *pixel) | |
3315 | { | |
3316 | /* If we end up with the same color as before, try adding | |
3317 | delta to the RGB values. */ | |
0d605c67 | 3318 | x_free_colors (f, &new.pixel, 1); |
06a2c219 GM |
3319 | |
3320 | new.red = min (0xffff, delta + color.red); | |
3321 | new.green = min (0xffff, delta + color.green); | |
3322 | new.blue = min (0xffff, delta + color.blue); | |
80c32bcc | 3323 | success_p = x_alloc_nearest_color (f, cmap, &new); |
06a2c219 GM |
3324 | } |
3325 | else | |
3326 | success_p = 1; | |
3327 | *pixel = new.pixel; | |
3328 | } | |
3329 | ||
3330 | return success_p; | |
3331 | } | |
3332 | ||
3333 | ||
3334 | /* Set up the foreground color for drawing relief lines of glyph | |
3335 | string S. RELIEF is a pointer to a struct relief containing the GC | |
3336 | with which lines will be drawn. Use a color that is FACTOR or | |
3337 | DELTA lighter or darker than the relief's background which is found | |
3338 | in S->f->output_data.x->relief_background. If such a color cannot | |
3339 | be allocated, use DEFAULT_PIXEL, instead. */ | |
3340 | ||
3341 | static void | |
3342 | x_setup_relief_color (f, relief, factor, delta, default_pixel) | |
3343 | struct frame *f; | |
3344 | struct relief *relief; | |
68c45bf0 | 3345 | double factor; |
06a2c219 GM |
3346 | int delta; |
3347 | unsigned long default_pixel; | |
3348 | { | |
3349 | XGCValues xgcv; | |
3350 | struct x_output *di = f->output_data.x; | |
3351 | unsigned long mask = GCForeground | GCLineWidth | GCGraphicsExposures; | |
3352 | unsigned long pixel; | |
3353 | unsigned long background = di->relief_background; | |
43bd1b2b | 3354 | Colormap cmap = FRAME_X_COLORMAP (f); |
dcd08bfb GM |
3355 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
3356 | Display *dpy = FRAME_X_DISPLAY (f); | |
06a2c219 GM |
3357 | |
3358 | xgcv.graphics_exposures = False; | |
3359 | xgcv.line_width = 1; | |
3360 | ||
3361 | /* Free previously allocated color. The color cell will be reused | |
3362 | when it has been freed as many times as it was allocated, so this | |
3363 | doesn't affect faces using the same colors. */ | |
3364 | if (relief->gc | |
3365 | && relief->allocated_p) | |
3366 | { | |
3367 | /* If display has an immutable color map, freeing colors is not | |
3368 | necessary and some servers don't allow it. So don't do it. */ | |
0d605c67 | 3369 | x_free_colors (f, &relief->pixel, 1); |
06a2c219 GM |
3370 | relief->allocated_p = 0; |
3371 | } | |
3372 | ||
3373 | /* Allocate new color. */ | |
3374 | xgcv.foreground = default_pixel; | |
3375 | pixel = background; | |
dcd08bfb GM |
3376 | if (dpyinfo->n_planes != 1 |
3377 | && x_alloc_lighter_color (f, dpy, cmap, &pixel, factor, delta)) | |
06a2c219 GM |
3378 | { |
3379 | relief->allocated_p = 1; | |
3380 | xgcv.foreground = relief->pixel = pixel; | |
3381 | } | |
3382 | ||
3383 | if (relief->gc == 0) | |
3384 | { | |
dcd08bfb | 3385 | xgcv.stipple = dpyinfo->gray; |
06a2c219 | 3386 | mask |= GCStipple; |
dcd08bfb | 3387 | relief->gc = XCreateGC (dpy, FRAME_X_WINDOW (f), mask, &xgcv); |
06a2c219 GM |
3388 | } |
3389 | else | |
dcd08bfb | 3390 | XChangeGC (dpy, relief->gc, mask, &xgcv); |
06a2c219 GM |
3391 | } |
3392 | ||
3393 | ||
3394 | /* Set up colors for the relief lines around glyph string S. */ | |
3395 | ||
3396 | static void | |
3397 | x_setup_relief_colors (s) | |
3398 | struct glyph_string *s; | |
3399 | { | |
3400 | struct x_output *di = s->f->output_data.x; | |
3401 | unsigned long color; | |
3402 | ||
3403 | if (s->face->use_box_color_for_shadows_p) | |
3404 | color = s->face->box_color; | |
3405 | else | |
3406 | { | |
3407 | XGCValues xgcv; | |
3408 | ||
3409 | /* Get the background color of the face. */ | |
3410 | XGetGCValues (s->display, s->gc, GCBackground, &xgcv); | |
3411 | color = xgcv.background; | |
3412 | } | |
3413 | ||
3414 | if (di->white_relief.gc == 0 | |
3415 | || color != di->relief_background) | |
3416 | { | |
3417 | di->relief_background = color; | |
3418 | x_setup_relief_color (s->f, &di->white_relief, 1.2, 0x8000, | |
3419 | WHITE_PIX_DEFAULT (s->f)); | |
3420 | x_setup_relief_color (s->f, &di->black_relief, 0.6, 0x4000, | |
3421 | BLACK_PIX_DEFAULT (s->f)); | |
3422 | } | |
3423 | } | |
3424 | ||
3425 | ||
3426 | /* Draw a relief on frame F inside the rectangle given by LEFT_X, | |
3427 | TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief | |
3428 | to draw, it must be >= 0. RAISED_P non-zero means draw a raised | |
3429 | relief. LEFT_P non-zero means draw a relief on the left side of | |
3430 | the rectangle. RIGHT_P non-zero means draw a relief on the right | |
3431 | side of the rectangle. CLIP_RECT is the clipping rectangle to use | |
3432 | when drawing. */ | |
3433 | ||
3434 | static void | |
3435 | x_draw_relief_rect (f, left_x, top_y, right_x, bottom_y, width, | |
3436 | raised_p, left_p, right_p, clip_rect) | |
3437 | struct frame *f; | |
3438 | int left_x, top_y, right_x, bottom_y, left_p, right_p, raised_p; | |
3439 | XRectangle *clip_rect; | |
3440 | { | |
3441 | int i; | |
3442 | GC gc; | |
3443 | ||
3444 | if (raised_p) | |
3445 | gc = f->output_data.x->white_relief.gc; | |
3446 | else | |
3447 | gc = f->output_data.x->black_relief.gc; | |
3448 | XSetClipRectangles (FRAME_X_DISPLAY (f), gc, 0, 0, clip_rect, 1, Unsorted); | |
3449 | ||
3450 | /* Top. */ | |
3451 | for (i = 0; i < width; ++i) | |
3452 | XDrawLine (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
3453 | left_x + i * left_p, top_y + i, | |
3454 | right_x + 1 - i * right_p, top_y + i); | |
3455 | ||
3456 | /* Left. */ | |
3457 | if (left_p) | |
3458 | for (i = 0; i < width; ++i) | |
3459 | XDrawLine (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
3460 | left_x + i, top_y + i, left_x + i, bottom_y - i); | |
3461 | ||
3462 | XSetClipMask (FRAME_X_DISPLAY (f), gc, None); | |
3463 | if (raised_p) | |
3464 | gc = f->output_data.x->black_relief.gc; | |
3465 | else | |
3466 | gc = f->output_data.x->white_relief.gc; | |
3467 | XSetClipRectangles (FRAME_X_DISPLAY (f), gc, 0, 0, clip_rect, 1, Unsorted); | |
3468 | ||
3469 | /* Bottom. */ | |
3470 | for (i = 0; i < width; ++i) | |
3471 | XDrawLine (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
3472 | left_x + i * left_p, bottom_y - i, | |
3473 | right_x + 1 - i * right_p, bottom_y - i); | |
3474 | ||
3475 | /* Right. */ | |
3476 | if (right_p) | |
3477 | for (i = 0; i < width; ++i) | |
3478 | XDrawLine (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
3479 | right_x - i, top_y + i + 1, right_x - i, bottom_y - i); | |
3480 | ||
3481 | XSetClipMask (FRAME_X_DISPLAY (f), gc, None); | |
3482 | } | |
3483 | ||
3484 | ||
3485 | /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y, | |
3486 | RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to | |
3487 | draw, it must be >= 0. LEFT_P non-zero means draw a line on the | |
3488 | left side of the rectangle. RIGHT_P non-zero means draw a line | |
3489 | on the right side of the rectangle. CLIP_RECT is the clipping | |
3490 | rectangle to use when drawing. */ | |
3491 | ||
3492 | static void | |
3493 | x_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, | |
3494 | left_p, right_p, clip_rect) | |
3495 | struct glyph_string *s; | |
3496 | int left_x, top_y, right_x, bottom_y, left_p, right_p; | |
3497 | XRectangle *clip_rect; | |
3498 | { | |
3499 | XGCValues xgcv; | |
3500 | ||
3501 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
3502 | XSetForeground (s->display, s->gc, s->face->box_color); | |
3503 | XSetClipRectangles (s->display, s->gc, 0, 0, clip_rect, 1, Unsorted); | |
3504 | ||
3505 | /* Top. */ | |
3506 | XFillRectangle (s->display, s->window, s->gc, | |
3507 | left_x, top_y, right_x - left_x, width); | |
3508 | ||
3509 | /* Left. */ | |
3510 | if (left_p) | |
3511 | XFillRectangle (s->display, s->window, s->gc, | |
3512 | left_x, top_y, width, bottom_y - top_y); | |
3513 | ||
3514 | /* Bottom. */ | |
3515 | XFillRectangle (s->display, s->window, s->gc, | |
3516 | left_x, bottom_y - width, right_x - left_x, width); | |
3517 | ||
3518 | /* Right. */ | |
3519 | if (right_p) | |
3520 | XFillRectangle (s->display, s->window, s->gc, | |
3521 | right_x - width, top_y, width, bottom_y - top_y); | |
3522 | ||
3523 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
3524 | XSetClipMask (s->display, s->gc, None); | |
3525 | } | |
3526 | ||
3527 | ||
3528 | /* Draw a box around glyph string S. */ | |
3529 | ||
3530 | static void | |
3531 | x_draw_glyph_string_box (s) | |
3532 | struct glyph_string *s; | |
3533 | { | |
3534 | int width, left_x, right_x, top_y, bottom_y, last_x, raised_p; | |
3535 | int left_p, right_p; | |
3536 | struct glyph *last_glyph; | |
3537 | XRectangle clip_rect; | |
3538 | ||
3539 | last_x = window_box_right (s->w, s->area); | |
3540 | if (s->row->full_width_p | |
3541 | && !s->w->pseudo_window_p) | |
3542 | { | |
110859fc | 3543 | last_x += FRAME_X_RIGHT_FLAGS_AREA_WIDTH (s->f); |
06a2c219 GM |
3544 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (s->f)) |
3545 | last_x += FRAME_SCROLL_BAR_WIDTH (s->f) * CANON_X_UNIT (s->f); | |
3546 | } | |
3547 | ||
3548 | /* The glyph that may have a right box line. */ | |
b4192550 | 3549 | last_glyph = (s->cmp || s->img |
06a2c219 GM |
3550 | ? s->first_glyph |
3551 | : s->first_glyph + s->nchars - 1); | |
3552 | ||
3553 | width = s->face->box_line_width; | |
3554 | raised_p = s->face->box == FACE_RAISED_BOX; | |
3555 | left_x = s->x; | |
3556 | right_x = ((s->row->full_width_p | |
1da3fd71 | 3557 | ? last_x - 1 |
a7aeb2de | 3558 | : min (last_x, s->x + s->background_width) - 1)); |
06a2c219 GM |
3559 | top_y = s->y; |
3560 | bottom_y = top_y + s->height - 1; | |
3561 | ||
3562 | left_p = (s->first_glyph->left_box_line_p | |
3563 | || (s->hl == DRAW_MOUSE_FACE | |
3564 | && (s->prev == NULL | |
3565 | || s->prev->hl != s->hl))); | |
3566 | right_p = (last_glyph->right_box_line_p | |
3567 | || (s->hl == DRAW_MOUSE_FACE | |
3568 | && (s->next == NULL | |
3569 | || s->next->hl != s->hl))); | |
3570 | ||
3571 | x_get_glyph_string_clip_rect (s, &clip_rect); | |
3572 | ||
3573 | if (s->face->box == FACE_SIMPLE_BOX) | |
3574 | x_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, | |
3575 | left_p, right_p, &clip_rect); | |
3576 | else | |
3577 | { | |
3578 | x_setup_relief_colors (s); | |
3579 | x_draw_relief_rect (s->f, left_x, top_y, right_x, bottom_y, | |
3580 | width, raised_p, left_p, right_p, &clip_rect); | |
3581 | } | |
3582 | } | |
3583 | ||
3584 | ||
3585 | /* Draw foreground of image glyph string S. */ | |
3586 | ||
3587 | static void | |
3588 | x_draw_image_foreground (s) | |
3589 | struct glyph_string *s; | |
3590 | { | |
3591 | int x; | |
95af8492 | 3592 | int y = s->ybase - image_ascent (s->img, s->face); |
06a2c219 GM |
3593 | |
3594 | /* If first glyph of S has a left box line, start drawing it to the | |
3595 | right of that line. */ | |
3596 | if (s->face->box != FACE_NO_BOX | |
3597 | && s->first_glyph->left_box_line_p) | |
3598 | x = s->x + s->face->box_line_width; | |
3599 | else | |
3600 | x = s->x; | |
3601 | ||
3602 | /* If there is a margin around the image, adjust x- and y-position | |
3603 | by that margin. */ | |
3604 | if (s->img->margin) | |
3605 | { | |
3606 | x += s->img->margin; | |
3607 | y += s->img->margin; | |
3608 | } | |
3609 | ||
3610 | if (s->img->pixmap) | |
3611 | { | |
3612 | if (s->img->mask) | |
3613 | { | |
3614 | /* We can't set both a clip mask and use XSetClipRectangles | |
3615 | because the latter also sets a clip mask. We also can't | |
3616 | trust on the shape extension to be available | |
3617 | (XShapeCombineRegion). So, compute the rectangle to draw | |
3618 | manually. */ | |
3619 | unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin | |
3620 | | GCFunction); | |
3621 | XGCValues xgcv; | |
3622 | XRectangle clip_rect, image_rect, r; | |
3623 | ||
3624 | xgcv.clip_mask = s->img->mask; | |
3625 | xgcv.clip_x_origin = x; | |
3626 | xgcv.clip_y_origin = y; | |
3627 | xgcv.function = GXcopy; | |
3628 | XChangeGC (s->display, s->gc, mask, &xgcv); | |
3629 | ||
3630 | x_get_glyph_string_clip_rect (s, &clip_rect); | |
3631 | image_rect.x = x; | |
3632 | image_rect.y = y; | |
3633 | image_rect.width = s->img->width; | |
3634 | image_rect.height = s->img->height; | |
3635 | if (x_intersect_rectangles (&clip_rect, &image_rect, &r)) | |
3636 | XCopyArea (s->display, s->img->pixmap, s->window, s->gc, | |
3637 | r.x - x, r.y - y, r.width, r.height, r.x, r.y); | |
3638 | } | |
3639 | else | |
3640 | { | |
3641 | XCopyArea (s->display, s->img->pixmap, s->window, s->gc, | |
3642 | 0, 0, s->img->width, s->img->height, x, y); | |
3643 | ||
3644 | /* When the image has a mask, we can expect that at | |
3645 | least part of a mouse highlight or a block cursor will | |
3646 | be visible. If the image doesn't have a mask, make | |
3647 | a block cursor visible by drawing a rectangle around | |
3648 | the image. I believe it's looking better if we do | |
3649 | nothing here for mouse-face. */ | |
3650 | if (s->hl == DRAW_CURSOR) | |
3651 | XDrawRectangle (s->display, s->window, s->gc, x, y, | |
3652 | s->img->width - 1, s->img->height - 1); | |
3653 | } | |
3654 | } | |
3655 | else | |
3656 | /* Draw a rectangle if image could not be loaded. */ | |
3657 | XDrawRectangle (s->display, s->window, s->gc, x, y, | |
3658 | s->img->width - 1, s->img->height - 1); | |
3659 | } | |
3660 | ||
3661 | ||
3662 | /* Draw a relief around the image glyph string S. */ | |
3663 | ||
3664 | static void | |
3665 | x_draw_image_relief (s) | |
3666 | struct glyph_string *s; | |
3667 | { | |
3668 | int x0, y0, x1, y1, thick, raised_p; | |
3669 | XRectangle r; | |
3670 | int x; | |
95af8492 | 3671 | int y = s->ybase - image_ascent (s->img, s->face); |
06a2c219 GM |
3672 | |
3673 | /* If first glyph of S has a left box line, start drawing it to the | |
3674 | right of that line. */ | |
3675 | if (s->face->box != FACE_NO_BOX | |
3676 | && s->first_glyph->left_box_line_p) | |
3677 | x = s->x + s->face->box_line_width; | |
3678 | else | |
3679 | x = s->x; | |
3680 | ||
3681 | /* If there is a margin around the image, adjust x- and y-position | |
3682 | by that margin. */ | |
3683 | if (s->img->margin) | |
3684 | { | |
3685 | x += s->img->margin; | |
3686 | y += s->img->margin; | |
3687 | } | |
3688 | ||
3689 | if (s->hl == DRAW_IMAGE_SUNKEN | |
3690 | || s->hl == DRAW_IMAGE_RAISED) | |
3691 | { | |
9ea173e8 | 3692 | thick = tool_bar_button_relief > 0 ? tool_bar_button_relief : 3; |
06a2c219 GM |
3693 | raised_p = s->hl == DRAW_IMAGE_RAISED; |
3694 | } | |
3695 | else | |
3696 | { | |
3697 | thick = abs (s->img->relief); | |
3698 | raised_p = s->img->relief > 0; | |
3699 | } | |
3700 | ||
3701 | x0 = x - thick; | |
3702 | y0 = y - thick; | |
3703 | x1 = x + s->img->width + thick - 1; | |
3704 | y1 = y + s->img->height + thick - 1; | |
3705 | ||
3706 | x_setup_relief_colors (s); | |
3707 | x_get_glyph_string_clip_rect (s, &r); | |
3708 | x_draw_relief_rect (s->f, x0, y0, x1, y1, thick, raised_p, 1, 1, &r); | |
3709 | } | |
3710 | ||
3711 | ||
3712 | /* Draw the foreground of image glyph string S to PIXMAP. */ | |
3713 | ||
3714 | static void | |
3715 | x_draw_image_foreground_1 (s, pixmap) | |
3716 | struct glyph_string *s; | |
3717 | Pixmap pixmap; | |
3718 | { | |
3719 | int x; | |
95af8492 | 3720 | int y = s->ybase - s->y - image_ascent (s->img, s->face); |
06a2c219 GM |
3721 | |
3722 | /* If first glyph of S has a left box line, start drawing it to the | |
3723 | right of that line. */ | |
3724 | if (s->face->box != FACE_NO_BOX | |
3725 | && s->first_glyph->left_box_line_p) | |
3726 | x = s->face->box_line_width; | |
3727 | else | |
3728 | x = 0; | |
3729 | ||
3730 | /* If there is a margin around the image, adjust x- and y-position | |
3731 | by that margin. */ | |
3732 | if (s->img->margin) | |
3733 | { | |
3734 | x += s->img->margin; | |
3735 | y += s->img->margin; | |
3736 | } | |
dc43ef94 | 3737 | |
06a2c219 GM |
3738 | if (s->img->pixmap) |
3739 | { | |
3740 | if (s->img->mask) | |
3741 | { | |
3742 | /* We can't set both a clip mask and use XSetClipRectangles | |
3743 | because the latter also sets a clip mask. We also can't | |
3744 | trust on the shape extension to be available | |
3745 | (XShapeCombineRegion). So, compute the rectangle to draw | |
3746 | manually. */ | |
3747 | unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin | |
3748 | | GCFunction); | |
3749 | XGCValues xgcv; | |
3750 | ||
3751 | xgcv.clip_mask = s->img->mask; | |
3752 | xgcv.clip_x_origin = x; | |
3753 | xgcv.clip_y_origin = y; | |
3754 | xgcv.function = GXcopy; | |
3755 | XChangeGC (s->display, s->gc, mask, &xgcv); | |
3756 | ||
3757 | XCopyArea (s->display, s->img->pixmap, pixmap, s->gc, | |
3758 | 0, 0, s->img->width, s->img->height, x, y); | |
3759 | XSetClipMask (s->display, s->gc, None); | |
3760 | } | |
3761 | else | |
3762 | { | |
3763 | XCopyArea (s->display, s->img->pixmap, pixmap, s->gc, | |
3764 | 0, 0, s->img->width, s->img->height, x, y); | |
3765 | ||
3766 | /* When the image has a mask, we can expect that at | |
3767 | least part of a mouse highlight or a block cursor will | |
3768 | be visible. If the image doesn't have a mask, make | |
3769 | a block cursor visible by drawing a rectangle around | |
3770 | the image. I believe it's looking better if we do | |
3771 | nothing here for mouse-face. */ | |
3772 | if (s->hl == DRAW_CURSOR) | |
3773 | XDrawRectangle (s->display, pixmap, s->gc, x, y, | |
3774 | s->img->width - 1, s->img->height - 1); | |
3775 | } | |
3776 | } | |
3777 | else | |
3778 | /* Draw a rectangle if image could not be loaded. */ | |
3779 | XDrawRectangle (s->display, pixmap, s->gc, x, y, | |
3780 | s->img->width - 1, s->img->height - 1); | |
3781 | } | |
dc43ef94 | 3782 | |
990ba854 | 3783 | |
06a2c219 GM |
3784 | /* Draw part of the background of glyph string S. X, Y, W, and H |
3785 | give the rectangle to draw. */ | |
a9a5b0a5 | 3786 | |
06a2c219 GM |
3787 | static void |
3788 | x_draw_glyph_string_bg_rect (s, x, y, w, h) | |
3789 | struct glyph_string *s; | |
3790 | int x, y, w, h; | |
3791 | { | |
3792 | if (s->stippled_p) | |
3793 | { | |
3794 | /* Fill background with a stipple pattern. */ | |
3795 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
3796 | XFillRectangle (s->display, s->window, s->gc, x, y, w, h); | |
3797 | XSetFillStyle (s->display, s->gc, FillSolid); | |
3798 | } | |
3799 | else | |
3800 | x_clear_glyph_string_rect (s, x, y, w, h); | |
3801 | } | |
07e34cb0 | 3802 | |
b5210ea7 | 3803 | |
06a2c219 | 3804 | /* Draw image glyph string S. |
dc43ef94 | 3805 | |
06a2c219 GM |
3806 | s->y |
3807 | s->x +------------------------- | |
3808 | | s->face->box | |
3809 | | | |
3810 | | +------------------------- | |
3811 | | | s->img->margin | |
3812 | | | | |
3813 | | | +------------------- | |
3814 | | | | the image | |
dc43ef94 | 3815 | |
06a2c219 | 3816 | */ |
dc43ef94 | 3817 | |
06a2c219 GM |
3818 | static void |
3819 | x_draw_image_glyph_string (s) | |
3820 | struct glyph_string *s; | |
3821 | { | |
3822 | int x, y; | |
3823 | int box_line_width = s->face->box_line_width; | |
3824 | int margin = s->img->margin; | |
3825 | int height; | |
3826 | Pixmap pixmap = None; | |
3827 | ||
3828 | height = s->height - 2 * box_line_width; | |
3829 | ||
3830 | /* Fill background with face under the image. Do it only if row is | |
3831 | taller than image or if image has a clip mask to reduce | |
3832 | flickering. */ | |
3833 | s->stippled_p = s->face->stipple != 0; | |
3834 | if (height > s->img->height | |
3835 | || margin | |
3836 | || s->img->mask | |
3837 | || s->img->pixmap == 0 | |
3838 | || s->width != s->background_width) | |
3839 | { | |
3840 | if (box_line_width && s->first_glyph->left_box_line_p) | |
3841 | x = s->x + box_line_width; | |
3842 | else | |
3843 | x = s->x; | |
3844 | ||
3845 | y = s->y + box_line_width; | |
3846 | ||
3847 | if (s->img->mask) | |
3848 | { | |
3849 | /* Create a pixmap as large as the glyph string Fill it with | |
3850 | the background color. Copy the image to it, using its | |
3851 | mask. Copy the temporary pixmap to the display. */ | |
3852 | Screen *screen = FRAME_X_SCREEN (s->f); | |
3853 | int depth = DefaultDepthOfScreen (screen); | |
3854 | ||
3855 | /* Create a pixmap as large as the glyph string. */ | |
3856 | pixmap = XCreatePixmap (s->display, s->window, | |
3857 | s->background_width, | |
3858 | s->height, depth); | |
3859 | ||
3860 | /* Don't clip in the following because we're working on the | |
3861 | pixmap. */ | |
3862 | XSetClipMask (s->display, s->gc, None); | |
3863 | ||
3864 | /* Fill the pixmap with the background color/stipple. */ | |
3865 | if (s->stippled_p) | |
3866 | { | |
3867 | /* Fill background with a stipple pattern. */ | |
3868 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
3869 | XFillRectangle (s->display, pixmap, s->gc, | |
3870 | 0, 0, s->background_width, s->height); | |
3871 | XSetFillStyle (s->display, s->gc, FillSolid); | |
3872 | } | |
3873 | else | |
3874 | { | |
3875 | XGCValues xgcv; | |
3876 | XGetGCValues (s->display, s->gc, GCForeground | GCBackground, | |
3877 | &xgcv); | |
3878 | XSetForeground (s->display, s->gc, xgcv.background); | |
3879 | XFillRectangle (s->display, pixmap, s->gc, | |
3880 | 0, 0, s->background_width, s->height); | |
3881 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
3882 | } | |
3883 | } | |
3884 | else | |
3885 | /* Implementation idea: Is it possible to construct a mask? | |
3886 | We could look at the color at the margins of the image, and | |
3887 | say that this color is probably the background color of the | |
3888 | image. */ | |
3889 | x_draw_glyph_string_bg_rect (s, x, y, s->background_width, height); | |
3890 | ||
3891 | s->background_filled_p = 1; | |
3892 | } | |
dc43ef94 | 3893 | |
06a2c219 GM |
3894 | /* Draw the foreground. */ |
3895 | if (pixmap != None) | |
3896 | { | |
3897 | x_draw_image_foreground_1 (s, pixmap); | |
3898 | x_set_glyph_string_clipping (s); | |
3899 | XCopyArea (s->display, pixmap, s->window, s->gc, | |
3900 | 0, 0, s->background_width, s->height, s->x, s->y); | |
3901 | XFreePixmap (s->display, pixmap); | |
3902 | } | |
3903 | else | |
3904 | x_draw_image_foreground (s); | |
b5210ea7 | 3905 | |
06a2c219 GM |
3906 | /* If we must draw a relief around the image, do it. */ |
3907 | if (s->img->relief | |
3908 | || s->hl == DRAW_IMAGE_RAISED | |
3909 | || s->hl == DRAW_IMAGE_SUNKEN) | |
3910 | x_draw_image_relief (s); | |
3911 | } | |
8c1a6a84 | 3912 | |
990ba854 | 3913 | |
06a2c219 | 3914 | /* Draw stretch glyph string S. */ |
dc43ef94 | 3915 | |
06a2c219 GM |
3916 | static void |
3917 | x_draw_stretch_glyph_string (s) | |
3918 | struct glyph_string *s; | |
3919 | { | |
3920 | xassert (s->first_glyph->type == STRETCH_GLYPH); | |
3921 | s->stippled_p = s->face->stipple != 0; | |
990ba854 | 3922 | |
06a2c219 GM |
3923 | if (s->hl == DRAW_CURSOR |
3924 | && !x_stretch_cursor_p) | |
3925 | { | |
3926 | /* If `x-stretch-block-cursor' is nil, don't draw a block cursor | |
3927 | as wide as the stretch glyph. */ | |
3928 | int width = min (CANON_X_UNIT (s->f), s->background_width); | |
990ba854 | 3929 | |
06a2c219 GM |
3930 | /* Draw cursor. */ |
3931 | x_draw_glyph_string_bg_rect (s, s->x, s->y, width, s->height); | |
0cdd0c9f | 3932 | |
06a2c219 GM |
3933 | /* Clear rest using the GC of the original non-cursor face. */ |
3934 | if (width < s->background_width) | |
3935 | { | |
3936 | GC gc = s->face->gc; | |
3937 | int x = s->x + width, y = s->y; | |
3938 | int w = s->background_width - width, h = s->height; | |
3939 | XRectangle r; | |
dc43ef94 | 3940 | |
06a2c219 GM |
3941 | x_get_glyph_string_clip_rect (s, &r); |
3942 | XSetClipRectangles (s->display, gc, 0, 0, &r, 1, Unsorted); | |
97210f4e | 3943 | |
06a2c219 GM |
3944 | if (s->face->stipple) |
3945 | { | |
3946 | /* Fill background with a stipple pattern. */ | |
3947 | XSetFillStyle (s->display, gc, FillOpaqueStippled); | |
3948 | XFillRectangle (s->display, s->window, gc, x, y, w, h); | |
3949 | XSetFillStyle (s->display, gc, FillSolid); | |
3950 | } | |
3951 | else | |
3952 | { | |
3953 | XGCValues xgcv; | |
3954 | XGetGCValues (s->display, gc, GCForeground | GCBackground, &xgcv); | |
3955 | XSetForeground (s->display, gc, xgcv.background); | |
3956 | XFillRectangle (s->display, s->window, gc, x, y, w, h); | |
3957 | XSetForeground (s->display, gc, xgcv.foreground); | |
3958 | } | |
3959 | } | |
3960 | } | |
3961 | else | |
3962 | x_draw_glyph_string_bg_rect (s, s->x, s->y, s->background_width, | |
3963 | s->height); | |
3964 | ||
3965 | s->background_filled_p = 1; | |
3966 | } | |
3967 | ||
3968 | ||
3969 | /* Draw glyph string S. */ | |
3970 | ||
3971 | static void | |
3972 | x_draw_glyph_string (s) | |
3973 | struct glyph_string *s; | |
3974 | { | |
3975 | /* If S draws into the background of its successor, draw the | |
3976 | background of the successor first so that S can draw into it. | |
3977 | This makes S->next use XDrawString instead of XDrawImageString. */ | |
66ac4b0e | 3978 | if (s->next && s->right_overhang && !s->for_overlaps_p) |
06a2c219 GM |
3979 | { |
3980 | xassert (s->next->img == NULL); | |
3981 | x_set_glyph_string_gc (s->next); | |
3982 | x_set_glyph_string_clipping (s->next); | |
3983 | x_draw_glyph_string_background (s->next, 1); | |
3984 | } | |
97210f4e | 3985 | |
06a2c219 GM |
3986 | /* Set up S->gc, set clipping and draw S. */ |
3987 | x_set_glyph_string_gc (s); | |
3988 | x_set_glyph_string_clipping (s); | |
3989 | ||
3990 | switch (s->first_glyph->type) | |
3991 | { | |
3992 | case IMAGE_GLYPH: | |
3993 | x_draw_image_glyph_string (s); | |
3994 | break; | |
3995 | ||
3996 | case STRETCH_GLYPH: | |
3997 | x_draw_stretch_glyph_string (s); | |
3998 | break; | |
3999 | ||
4000 | case CHAR_GLYPH: | |
66ac4b0e GM |
4001 | if (s->for_overlaps_p) |
4002 | s->background_filled_p = 1; | |
4003 | else | |
4004 | x_draw_glyph_string_background (s, 0); | |
06a2c219 GM |
4005 | x_draw_glyph_string_foreground (s); |
4006 | break; | |
4007 | ||
b4192550 KH |
4008 | case COMPOSITE_GLYPH: |
4009 | if (s->for_overlaps_p || s->gidx > 0) | |
4010 | s->background_filled_p = 1; | |
4011 | else | |
4012 | x_draw_glyph_string_background (s, 1); | |
4013 | x_draw_composite_glyph_string_foreground (s); | |
4014 | break; | |
4015 | ||
06a2c219 GM |
4016 | default: |
4017 | abort (); | |
4018 | } | |
4019 | ||
66ac4b0e | 4020 | if (!s->for_overlaps_p) |
06a2c219 | 4021 | { |
66ac4b0e GM |
4022 | /* Draw underline. */ |
4023 | if (s->face->underline_p) | |
4024 | { | |
4025 | unsigned long dy, h; | |
06a2c219 | 4026 | |
66ac4b0e GM |
4027 | if (!XGetFontProperty (s->font, XA_UNDERLINE_THICKNESS, &h)) |
4028 | h = 1; | |
4029 | if (!XGetFontProperty (s->font, XA_UNDERLINE_POSITION, &dy)) | |
4030 | dy = s->height - h; | |
06a2c219 | 4031 | |
66ac4b0e GM |
4032 | if (s->face->underline_defaulted_p) |
4033 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4034 | s->width, h); | |
4035 | else | |
4036 | { | |
4037 | XGCValues xgcv; | |
4038 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
4039 | XSetForeground (s->display, s->gc, s->face->underline_color); | |
4040 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4041 | s->width, h); | |
4042 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
4043 | } | |
dc6f92b8 | 4044 | } |
07e34cb0 | 4045 | |
66ac4b0e GM |
4046 | /* Draw overline. */ |
4047 | if (s->face->overline_p) | |
06a2c219 | 4048 | { |
66ac4b0e GM |
4049 | unsigned long dy = 0, h = 1; |
4050 | ||
4051 | if (s->face->overline_color_defaulted_p) | |
4052 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4053 | s->width, h); | |
4054 | else | |
4055 | { | |
4056 | XGCValues xgcv; | |
4057 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
4058 | XSetForeground (s->display, s->gc, s->face->overline_color); | |
4059 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4060 | s->width, h); | |
4061 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
4062 | } | |
06a2c219 | 4063 | } |
06a2c219 | 4064 | |
66ac4b0e GM |
4065 | /* Draw strike-through. */ |
4066 | if (s->face->strike_through_p) | |
06a2c219 | 4067 | { |
66ac4b0e GM |
4068 | unsigned long h = 1; |
4069 | unsigned long dy = (s->height - h) / 2; | |
4070 | ||
4071 | if (s->face->strike_through_color_defaulted_p) | |
4072 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4073 | s->width, h); | |
4074 | else | |
4075 | { | |
4076 | XGCValues xgcv; | |
4077 | XGetGCValues (s->display, s->gc, GCForeground, &xgcv); | |
4078 | XSetForeground (s->display, s->gc, s->face->strike_through_color); | |
4079 | XFillRectangle (s->display, s->window, s->gc, s->x, s->y + dy, | |
4080 | s->width, h); | |
4081 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
4082 | } | |
06a2c219 | 4083 | } |
06a2c219 | 4084 | |
66ac4b0e GM |
4085 | /* Draw relief. */ |
4086 | if (s->face->box != FACE_NO_BOX) | |
4087 | x_draw_glyph_string_box (s); | |
4088 | } | |
06a2c219 GM |
4089 | |
4090 | /* Reset clipping. */ | |
4091 | XSetClipMask (s->display, s->gc, None); | |
dc6f92b8 | 4092 | } |
07e34cb0 | 4093 | |
06a2c219 | 4094 | |
b4192550 KH |
4095 | static int x_fill_composite_glyph_string P_ ((struct glyph_string *, |
4096 | struct face **, int)); | |
06a2c219 | 4097 | |
06a2c219 | 4098 | |
b4192550 KH |
4099 | /* Load glyph string S with a composition components specified by S->cmp. |
4100 | FACES is an array of faces for all components of this composition. | |
4101 | S->gidx is the index of the first component for S. | |
4102 | OVERLAPS_P non-zero means S should draw the foreground only, and | |
4103 | use its lines physical height for clipping. | |
06a2c219 | 4104 | |
b4192550 | 4105 | Value is the index of a component not in S. */ |
07e34cb0 | 4106 | |
b4192550 KH |
4107 | static int |
4108 | x_fill_composite_glyph_string (s, faces, overlaps_p) | |
06a2c219 | 4109 | struct glyph_string *s; |
b4192550 | 4110 | struct face **faces; |
66ac4b0e | 4111 | int overlaps_p; |
07e34cb0 | 4112 | { |
b4192550 | 4113 | int i; |
06a2c219 | 4114 | |
b4192550 | 4115 | xassert (s); |
06a2c219 | 4116 | |
b4192550 | 4117 | s->for_overlaps_p = overlaps_p; |
06a2c219 | 4118 | |
b4192550 KH |
4119 | s->face = faces[s->gidx]; |
4120 | s->font = s->face->font; | |
4121 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); | |
06a2c219 | 4122 | |
b4192550 KH |
4123 | /* For all glyphs of this composition, starting at the offset |
4124 | S->gidx, until we reach the end of the definition or encounter a | |
4125 | glyph that requires the different face, add it to S. */ | |
4126 | ++s->nchars; | |
4127 | for (i = s->gidx + 1; i < s->cmp->glyph_len && faces[i] == s->face; ++i) | |
4128 | ++s->nchars; | |
06a2c219 | 4129 | |
b4192550 KH |
4130 | /* All glyph strings for the same composition has the same width, |
4131 | i.e. the width set for the first component of the composition. */ | |
06a2c219 | 4132 | |
06a2c219 GM |
4133 | s->width = s->first_glyph->pixel_width; |
4134 | ||
4135 | /* If the specified font could not be loaded, use the frame's | |
4136 | default font, but record the fact that we couldn't load it in | |
4137 | the glyph string so that we can draw rectangles for the | |
4138 | characters of the glyph string. */ | |
4139 | if (s->font == NULL) | |
4140 | { | |
4141 | s->font_not_found_p = 1; | |
4142 | s->font = FRAME_FONT (s->f); | |
4143 | } | |
4144 | ||
4145 | /* Adjust base line for subscript/superscript text. */ | |
4146 | s->ybase += s->first_glyph->voffset; | |
4147 | ||
4148 | xassert (s->face && s->face->gc); | |
4149 | ||
4150 | /* This glyph string must always be drawn with 16-bit functions. */ | |
4151 | s->two_byte_p = 1; | |
b4192550 KH |
4152 | |
4153 | return s->gidx + s->nchars; | |
06a2c219 GM |
4154 | } |
4155 | ||
4156 | ||
b4192550 | 4157 | /* Load glyph string S with a sequence characters. |
06a2c219 | 4158 | FACE_ID is the face id of the string. START is the index of the |
66ac4b0e GM |
4159 | first glyph to consider, END is the index of the last + 1. |
4160 | OVERLAPS_P non-zero means S should draw the foreground only, and | |
4161 | use its lines physical height for clipping. | |
4162 | ||
4163 | Value is the index of the first glyph not in S. */ | |
06a2c219 GM |
4164 | |
4165 | static int | |
66ac4b0e | 4166 | x_fill_glyph_string (s, face_id, start, end, overlaps_p) |
06a2c219 GM |
4167 | struct glyph_string *s; |
4168 | int face_id; | |
66ac4b0e | 4169 | int start, end, overlaps_p; |
06a2c219 GM |
4170 | { |
4171 | struct glyph *glyph, *last; | |
4172 | int voffset; | |
ee569018 | 4173 | int glyph_not_available_p; |
06a2c219 | 4174 | |
06a2c219 GM |
4175 | xassert (s->f == XFRAME (s->w->frame)); |
4176 | xassert (s->nchars == 0); | |
4177 | xassert (start >= 0 && end > start); | |
4178 | ||
66ac4b0e | 4179 | s->for_overlaps_p = overlaps_p, |
06a2c219 GM |
4180 | glyph = s->row->glyphs[s->area] + start; |
4181 | last = s->row->glyphs[s->area] + end; | |
4182 | voffset = glyph->voffset; | |
4183 | ||
ee569018 KH |
4184 | glyph_not_available_p = glyph->glyph_not_available_p; |
4185 | ||
06a2c219 GM |
4186 | while (glyph < last |
4187 | && glyph->type == CHAR_GLYPH | |
4188 | && glyph->voffset == voffset | |
ee569018 KH |
4189 | /* Same face id implies same font, nowadays. */ |
4190 | && glyph->face_id == face_id | |
4191 | && glyph->glyph_not_available_p == glyph_not_available_p) | |
06a2c219 | 4192 | { |
ee569018 KH |
4193 | int two_byte_p; |
4194 | ||
06a2c219 | 4195 | s->face = x_get_glyph_face_and_encoding (s->f, glyph, |
ee569018 KH |
4196 | s->char2b + s->nchars, |
4197 | &two_byte_p); | |
4198 | s->two_byte_p = two_byte_p; | |
06a2c219 GM |
4199 | ++s->nchars; |
4200 | xassert (s->nchars <= end - start); | |
4201 | s->width += glyph->pixel_width; | |
4202 | ++glyph; | |
4203 | } | |
4204 | ||
4205 | s->font = s->face->font; | |
4206 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); | |
4207 | ||
4208 | /* If the specified font could not be loaded, use the frame's font, | |
4209 | but record the fact that we couldn't load it in | |
4210 | S->font_not_found_p so that we can draw rectangles for the | |
4211 | characters of the glyph string. */ | |
ee569018 | 4212 | if (s->font == NULL || glyph_not_available_p) |
06a2c219 GM |
4213 | { |
4214 | s->font_not_found_p = 1; | |
4215 | s->font = FRAME_FONT (s->f); | |
4216 | } | |
4217 | ||
4218 | /* Adjust base line for subscript/superscript text. */ | |
4219 | s->ybase += voffset; | |
66ac4b0e | 4220 | |
06a2c219 GM |
4221 | xassert (s->face && s->face->gc); |
4222 | return glyph - s->row->glyphs[s->area]; | |
07e34cb0 | 4223 | } |
dc6f92b8 | 4224 | |
06a2c219 GM |
4225 | |
4226 | /* Fill glyph string S from image glyph S->first_glyph. */ | |
dc6f92b8 | 4227 | |
dfcf069d | 4228 | static void |
06a2c219 GM |
4229 | x_fill_image_glyph_string (s) |
4230 | struct glyph_string *s; | |
4231 | { | |
4232 | xassert (s->first_glyph->type == IMAGE_GLYPH); | |
43d120d8 | 4233 | s->img = IMAGE_FROM_ID (s->f, s->first_glyph->u.img_id); |
06a2c219 | 4234 | xassert (s->img); |
43d120d8 | 4235 | s->face = FACE_FROM_ID (s->f, s->first_glyph->face_id); |
06a2c219 GM |
4236 | s->font = s->face->font; |
4237 | s->width = s->first_glyph->pixel_width; | |
4238 | ||
4239 | /* Adjust base line for subscript/superscript text. */ | |
4240 | s->ybase += s->first_glyph->voffset; | |
4241 | } | |
4242 | ||
4243 | ||
4244 | /* Fill glyph string S from stretch glyph S->first_glyph. */ | |
4245 | ||
4246 | static void | |
4247 | x_fill_stretch_glyph_string (s) | |
4248 | struct glyph_string *s; | |
4249 | { | |
4250 | xassert (s->first_glyph->type == STRETCH_GLYPH); | |
43d120d8 | 4251 | s->face = FACE_FROM_ID (s->f, s->first_glyph->face_id); |
06a2c219 GM |
4252 | s->font = s->face->font; |
4253 | s->width = s->first_glyph->pixel_width; | |
4254 | ||
4255 | /* Adjust base line for subscript/superscript text. */ | |
4256 | s->ybase += s->first_glyph->voffset; | |
4257 | } | |
4258 | ||
4259 | ||
4260 | /* Initialize glyph string S. CHAR2B is a suitably allocated vector | |
4261 | of XChar2b structures for S; it can't be allocated in | |
4262 | x_init_glyph_string because it must be allocated via `alloca'. W | |
4263 | is the window on which S is drawn. ROW and AREA are the glyph row | |
4264 | and area within the row from which S is constructed. START is the | |
4265 | index of the first glyph structure covered by S. HL is a | |
4266 | face-override for drawing S. */ | |
4267 | ||
4268 | static void | |
4269 | x_init_glyph_string (s, char2b, w, row, area, start, hl) | |
4270 | struct glyph_string *s; | |
4271 | XChar2b *char2b; | |
4272 | struct window *w; | |
4273 | struct glyph_row *row; | |
4274 | enum glyph_row_area area; | |
4275 | int start; | |
4276 | enum draw_glyphs_face hl; | |
4277 | { | |
4278 | bzero (s, sizeof *s); | |
4279 | s->w = w; | |
4280 | s->f = XFRAME (w->frame); | |
4281 | s->display = FRAME_X_DISPLAY (s->f); | |
4282 | s->window = FRAME_X_WINDOW (s->f); | |
4283 | s->char2b = char2b; | |
4284 | s->hl = hl; | |
4285 | s->row = row; | |
4286 | s->area = area; | |
4287 | s->first_glyph = row->glyphs[area] + start; | |
4288 | s->height = row->height; | |
4289 | s->y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
4290 | ||
9ea173e8 GM |
4291 | /* Display the internal border below the tool-bar window. */ |
4292 | if (s->w == XWINDOW (s->f->tool_bar_window)) | |
06a2c219 GM |
4293 | s->y -= s->f->output_data.x->internal_border_width; |
4294 | ||
4295 | s->ybase = s->y + row->ascent; | |
4296 | } | |
4297 | ||
4298 | ||
4299 | /* Set background width of glyph string S. START is the index of the | |
4300 | first glyph following S. LAST_X is the right-most x-position + 1 | |
4301 | in the drawing area. */ | |
4302 | ||
4303 | static INLINE void | |
4304 | x_set_glyph_string_background_width (s, start, last_x) | |
4305 | struct glyph_string *s; | |
4306 | int start; | |
4307 | int last_x; | |
4308 | { | |
4309 | /* If the face of this glyph string has to be drawn to the end of | |
4310 | the drawing area, set S->extends_to_end_of_line_p. */ | |
4311 | struct face *default_face = FACE_FROM_ID (s->f, DEFAULT_FACE_ID); | |
4312 | ||
4313 | if (start == s->row->used[s->area] | |
4314 | && s->hl == DRAW_NORMAL_TEXT | |
4315 | && ((s->area == TEXT_AREA && s->row->fill_line_p) | |
4316 | || s->face->background != default_face->background | |
4317 | || s->face->stipple != default_face->stipple)) | |
4318 | s->extends_to_end_of_line_p = 1; | |
4319 | ||
4320 | /* If S extends its face to the end of the line, set its | |
4321 | background_width to the distance to the right edge of the drawing | |
4322 | area. */ | |
4323 | if (s->extends_to_end_of_line_p) | |
1da3fd71 | 4324 | s->background_width = last_x - s->x + 1; |
06a2c219 GM |
4325 | else |
4326 | s->background_width = s->width; | |
4327 | } | |
4328 | ||
4329 | ||
4330 | /* Add a glyph string for a stretch glyph to the list of strings | |
4331 | between HEAD and TAIL. START is the index of the stretch glyph in | |
4332 | row area AREA of glyph row ROW. END is the index of the last glyph | |
4333 | in that glyph row area. X is the current output position assigned | |
4334 | to the new glyph string constructed. HL overrides that face of the | |
4335 | glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X | |
4336 | is the right-most x-position of the drawing area. */ | |
4337 | ||
8abee2e1 DL |
4338 | /* SunOS 4 bundled cc, barfed on continuations in the arg lists here |
4339 | and below -- keep them on one line. */ | |
4340 | #define BUILD_STRETCH_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \ | |
06a2c219 GM |
4341 | do \ |
4342 | { \ | |
4343 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4344 | x_init_glyph_string (s, NULL, W, ROW, AREA, START, HL); \ | |
4345 | x_fill_stretch_glyph_string (s); \ | |
4346 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
4347 | ++START; \ | |
4348 | s->x = (X); \ | |
4349 | } \ | |
4350 | while (0) | |
4351 | ||
4352 | ||
4353 | /* Add a glyph string for an image glyph to the list of strings | |
4354 | between HEAD and TAIL. START is the index of the image glyph in | |
4355 | row area AREA of glyph row ROW. END is the index of the last glyph | |
4356 | in that glyph row area. X is the current output position assigned | |
4357 | to the new glyph string constructed. HL overrides that face of the | |
4358 | glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X | |
4359 | is the right-most x-position of the drawing area. */ | |
4360 | ||
8abee2e1 | 4361 | #define BUILD_IMAGE_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \ |
06a2c219 GM |
4362 | do \ |
4363 | { \ | |
4364 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4365 | x_init_glyph_string (s, NULL, W, ROW, AREA, START, HL); \ | |
4366 | x_fill_image_glyph_string (s); \ | |
4367 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
4368 | ++START; \ | |
4369 | s->x = (X); \ | |
4370 | } \ | |
4371 | while (0) | |
4372 | ||
4373 | ||
4374 | /* Add a glyph string for a sequence of character glyphs to the list | |
4375 | of strings between HEAD and TAIL. START is the index of the first | |
4376 | glyph in row area AREA of glyph row ROW that is part of the new | |
4377 | glyph string. END is the index of the last glyph in that glyph row | |
4378 | area. X is the current output position assigned to the new glyph | |
4379 | string constructed. HL overrides that face of the glyph; e.g. it | |
4380 | is DRAW_CURSOR if a cursor has to be drawn. LAST_X is the | |
4381 | right-most x-position of the drawing area. */ | |
4382 | ||
8abee2e1 | 4383 | #define BUILD_CHAR_GLYPH_STRINGS(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ |
06a2c219 GM |
4384 | do \ |
4385 | { \ | |
4386 | int c, charset, face_id; \ | |
4387 | XChar2b *char2b; \ | |
4388 | \ | |
43d120d8 | 4389 | c = (ROW)->glyphs[AREA][START].u.ch; \ |
43d120d8 | 4390 | face_id = (ROW)->glyphs[AREA][START].face_id; \ |
06a2c219 | 4391 | \ |
b4192550 KH |
4392 | s = (struct glyph_string *) alloca (sizeof *s); \ |
4393 | char2b = (XChar2b *) alloca ((END - START) * sizeof *char2b); \ | |
4394 | x_init_glyph_string (s, char2b, W, ROW, AREA, START, HL); \ | |
4395 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
b4192550 KH |
4396 | s->x = (X); \ |
4397 | START = x_fill_glyph_string (s, face_id, START, END, \ | |
66ac4b0e | 4398 | OVERLAPS_P); \ |
06a2c219 GM |
4399 | } \ |
4400 | while (0) | |
4401 | ||
4402 | ||
b4192550 KH |
4403 | /* Add a glyph string for a composite sequence to the list of strings |
4404 | between HEAD and TAIL. START is the index of the first glyph in | |
4405 | row area AREA of glyph row ROW that is part of the new glyph | |
4406 | string. END is the index of the last glyph in that glyph row area. | |
4407 | X is the current output position assigned to the new glyph string | |
4408 | constructed. HL overrides that face of the glyph; e.g. it is | |
4409 | DRAW_CURSOR if a cursor has to be drawn. LAST_X is the right-most | |
4410 | x-position of the drawing area. */ | |
4411 | ||
6c27ec25 | 4412 | #define BUILD_COMPOSITE_GLYPH_STRING(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ |
b4192550 | 4413 | do { \ |
43d120d8 KH |
4414 | int cmp_id = (ROW)->glyphs[AREA][START].u.cmp_id; \ |
4415 | int face_id = (ROW)->glyphs[AREA][START].face_id; \ | |
ee569018 | 4416 | struct face *base_face = FACE_FROM_ID (XFRAME (w->frame), face_id); \ |
b4192550 KH |
4417 | struct composition *cmp = composition_table[cmp_id]; \ |
4418 | int glyph_len = cmp->glyph_len; \ | |
4419 | XChar2b *char2b; \ | |
4420 | struct face **faces; \ | |
4421 | struct glyph_string *first_s = NULL; \ | |
4422 | int n; \ | |
4423 | \ | |
ee569018 | 4424 | base_face = base_face->ascii_face; \ |
b4192550 KH |
4425 | char2b = (XChar2b *) alloca ((sizeof *char2b) * glyph_len); \ |
4426 | faces = (struct face **) alloca ((sizeof *faces) * glyph_len); \ | |
4427 | /* At first, fill in `char2b' and `faces'. */ \ | |
4428 | for (n = 0; n < glyph_len; n++) \ | |
4429 | { \ | |
43d120d8 | 4430 | int c = COMPOSITION_GLYPH (cmp, n); \ |
ee569018 KH |
4431 | int this_face_id = FACE_FOR_CHAR (XFRAME (w->frame), base_face, c); \ |
4432 | faces[n] = FACE_FROM_ID (XFRAME (w->frame), this_face_id); \ | |
4433 | x_get_char_face_and_encoding (XFRAME (w->frame), c, \ | |
4434 | this_face_id, char2b + n, 1); \ | |
b4192550 KH |
4435 | } \ |
4436 | \ | |
4437 | /* Make glyph_strings for each glyph sequence that is drawable by \ | |
4438 | the same face, and append them to HEAD/TAIL. */ \ | |
4439 | for (n = 0; n < cmp->glyph_len;) \ | |
4440 | { \ | |
4441 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4442 | x_init_glyph_string (s, char2b + n, W, ROW, AREA, START, HL); \ | |
4443 | x_append_glyph_string (&(HEAD), &(TAIL), s); \ | |
4444 | s->cmp = cmp; \ | |
4445 | s->gidx = n; \ | |
b4192550 KH |
4446 | s->x = (X); \ |
4447 | \ | |
4448 | if (n == 0) \ | |
4449 | first_s = s; \ | |
4450 | \ | |
4451 | n = x_fill_composite_glyph_string (s, faces, OVERLAPS_P); \ | |
4452 | } \ | |
4453 | \ | |
4454 | ++START; \ | |
4455 | s = first_s; \ | |
4456 | } while (0) | |
4457 | ||
4458 | ||
06a2c219 GM |
4459 | /* Build a list of glyph strings between HEAD and TAIL for the glyphs |
4460 | of AREA of glyph row ROW on window W between indices START and END. | |
4461 | HL overrides the face for drawing glyph strings, e.g. it is | |
4462 | DRAW_CURSOR to draw a cursor. X and LAST_X are start and end | |
4463 | x-positions of the drawing area. | |
4464 | ||
4465 | This is an ugly monster macro construct because we must use alloca | |
4466 | to allocate glyph strings (because x_draw_glyphs can be called | |
4467 | asynchronously). */ | |
4468 | ||
8abee2e1 | 4469 | #define BUILD_GLYPH_STRINGS(W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ |
06a2c219 GM |
4470 | do \ |
4471 | { \ | |
4472 | HEAD = TAIL = NULL; \ | |
4473 | while (START < END) \ | |
4474 | { \ | |
4475 | struct glyph *first_glyph = (ROW)->glyphs[AREA] + START; \ | |
4476 | switch (first_glyph->type) \ | |
4477 | { \ | |
4478 | case CHAR_GLYPH: \ | |
4479 | BUILD_CHAR_GLYPH_STRINGS (W, ROW, AREA, START, END, HEAD, \ | |
66ac4b0e GM |
4480 | TAIL, HL, X, LAST_X, \ |
4481 | OVERLAPS_P); \ | |
06a2c219 GM |
4482 | break; \ |
4483 | \ | |
b4192550 KH |
4484 | case COMPOSITE_GLYPH: \ |
4485 | BUILD_COMPOSITE_GLYPH_STRING (W, ROW, AREA, START, END, \ | |
4486 | HEAD, TAIL, HL, X, LAST_X,\ | |
4487 | OVERLAPS_P); \ | |
4488 | break; \ | |
4489 | \ | |
06a2c219 GM |
4490 | case STRETCH_GLYPH: \ |
4491 | BUILD_STRETCH_GLYPH_STRING (W, ROW, AREA, START, END, \ | |
4492 | HEAD, TAIL, HL, X, LAST_X); \ | |
4493 | break; \ | |
4494 | \ | |
4495 | case IMAGE_GLYPH: \ | |
4496 | BUILD_IMAGE_GLYPH_STRING (W, ROW, AREA, START, END, HEAD, \ | |
4497 | TAIL, HL, X, LAST_X); \ | |
4498 | break; \ | |
4499 | \ | |
4500 | default: \ | |
4501 | abort (); \ | |
4502 | } \ | |
4503 | \ | |
4504 | x_set_glyph_string_background_width (s, START, LAST_X); \ | |
4505 | (X) += s->width; \ | |
4506 | } \ | |
4507 | } \ | |
4508 | while (0) | |
4509 | ||
4510 | ||
4511 | /* Draw glyphs between START and END in AREA of ROW on window W, | |
4512 | starting at x-position X. X is relative to AREA in W. HL is a | |
4513 | face-override with the following meaning: | |
4514 | ||
4515 | DRAW_NORMAL_TEXT draw normally | |
4516 | DRAW_CURSOR draw in cursor face | |
4517 | DRAW_MOUSE_FACE draw in mouse face. | |
4518 | DRAW_INVERSE_VIDEO draw in mode line face | |
4519 | DRAW_IMAGE_SUNKEN draw an image with a sunken relief around it | |
4520 | DRAW_IMAGE_RAISED draw an image with a raised relief around it | |
4521 | ||
4522 | If REAL_START is non-null, return in *REAL_START the real starting | |
4523 | position for display. This can be different from START in case | |
4524 | overlapping glyphs must be displayed. If REAL_END is non-null, | |
4525 | return in *REAL_END the real end position for display. This can be | |
4526 | different from END in case overlapping glyphs must be displayed. | |
4527 | ||
66ac4b0e GM |
4528 | If OVERLAPS_P is non-zero, draw only the foreground of characters |
4529 | and clip to the physical height of ROW. | |
4530 | ||
06a2c219 GM |
4531 | Value is the x-position reached, relative to AREA of W. */ |
4532 | ||
4533 | static int | |
66ac4b0e GM |
4534 | x_draw_glyphs (w, x, row, area, start, end, hl, real_start, real_end, |
4535 | overlaps_p) | |
06a2c219 GM |
4536 | struct window *w; |
4537 | int x; | |
4538 | struct glyph_row *row; | |
4539 | enum glyph_row_area area; | |
4540 | int start, end; | |
4541 | enum draw_glyphs_face hl; | |
4542 | int *real_start, *real_end; | |
66ac4b0e | 4543 | int overlaps_p; |
dc6f92b8 | 4544 | { |
06a2c219 GM |
4545 | struct glyph_string *head, *tail; |
4546 | struct glyph_string *s; | |
4547 | int last_x, area_width; | |
4548 | int x_reached; | |
4549 | int i, j; | |
4550 | ||
4551 | /* Let's rather be paranoid than getting a SEGV. */ | |
4552 | start = max (0, start); | |
4553 | end = min (end, row->used[area]); | |
4554 | if (real_start) | |
4555 | *real_start = start; | |
4556 | if (real_end) | |
4557 | *real_end = end; | |
4558 | ||
4559 | /* Translate X to frame coordinates. Set last_x to the right | |
4560 | end of the drawing area. */ | |
4561 | if (row->full_width_p) | |
4562 | { | |
4563 | /* X is relative to the left edge of W, without scroll bars | |
4564 | or flag areas. */ | |
4565 | struct frame *f = XFRAME (w->frame); | |
110859fc | 4566 | /* int width = FRAME_FLAGS_AREA_WIDTH (f); */ |
06a2c219 | 4567 | int window_left_x = WINDOW_LEFT_MARGIN (w) * CANON_X_UNIT (f); |
dc6f92b8 | 4568 | |
06a2c219 GM |
4569 | x += window_left_x; |
4570 | area_width = XFASTINT (w->width) * CANON_X_UNIT (f); | |
4571 | last_x = window_left_x + area_width; | |
4572 | ||
4573 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
4574 | { | |
110859fc | 4575 | int width = FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f); |
06a2c219 GM |
4576 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) |
4577 | last_x += width; | |
4578 | else | |
4579 | x -= width; | |
4580 | } | |
dc6f92b8 | 4581 | |
b9432a85 GM |
4582 | x += FRAME_INTERNAL_BORDER_WIDTH (f); |
4583 | last_x -= FRAME_INTERNAL_BORDER_WIDTH (f); | |
06a2c219 GM |
4584 | } |
4585 | else | |
dc6f92b8 | 4586 | { |
06a2c219 GM |
4587 | x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, x); |
4588 | area_width = window_box_width (w, area); | |
4589 | last_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, area_width); | |
dc6f92b8 JB |
4590 | } |
4591 | ||
06a2c219 GM |
4592 | /* Build a doubly-linked list of glyph_string structures between |
4593 | head and tail from what we have to draw. Note that the macro | |
4594 | BUILD_GLYPH_STRINGS will modify its start parameter. That's | |
4595 | the reason we use a separate variable `i'. */ | |
4596 | i = start; | |
66ac4b0e GM |
4597 | BUILD_GLYPH_STRINGS (w, row, area, i, end, head, tail, hl, x, last_x, |
4598 | overlaps_p); | |
06a2c219 GM |
4599 | if (tail) |
4600 | x_reached = tail->x + tail->background_width; | |
4601 | else | |
4602 | x_reached = x; | |
90e65f07 | 4603 | |
06a2c219 GM |
4604 | /* If there are any glyphs with lbearing < 0 or rbearing > width in |
4605 | the row, redraw some glyphs in front or following the glyph | |
4606 | strings built above. */ | |
66ac4b0e | 4607 | if (!overlaps_p && row->contains_overlapping_glyphs_p) |
06a2c219 GM |
4608 | { |
4609 | int dummy_x = 0; | |
4610 | struct glyph_string *h, *t; | |
4611 | ||
4612 | /* Compute overhangs for all glyph strings. */ | |
4613 | for (s = head; s; s = s->next) | |
4614 | x_compute_glyph_string_overhangs (s); | |
4615 | ||
4616 | /* Prepend glyph strings for glyphs in front of the first glyph | |
4617 | string that are overwritten because of the first glyph | |
4618 | string's left overhang. The background of all strings | |
4619 | prepended must be drawn because the first glyph string | |
4620 | draws over it. */ | |
4621 | i = x_left_overwritten (head); | |
4622 | if (i >= 0) | |
4623 | { | |
4624 | j = i; | |
4625 | BUILD_GLYPH_STRINGS (w, row, area, j, start, h, t, | |
66ac4b0e GM |
4626 | DRAW_NORMAL_TEXT, dummy_x, last_x, |
4627 | overlaps_p); | |
06a2c219 GM |
4628 | start = i; |
4629 | if (real_start) | |
4630 | *real_start = start; | |
4631 | x_compute_overhangs_and_x (t, head->x, 1); | |
4632 | x_prepend_glyph_string_lists (&head, &tail, h, t); | |
4633 | } | |
58769bee | 4634 | |
06a2c219 GM |
4635 | /* Prepend glyph strings for glyphs in front of the first glyph |
4636 | string that overwrite that glyph string because of their | |
4637 | right overhang. For these strings, only the foreground must | |
4638 | be drawn, because it draws over the glyph string at `head'. | |
4639 | The background must not be drawn because this would overwrite | |
4640 | right overhangs of preceding glyphs for which no glyph | |
4641 | strings exist. */ | |
4642 | i = x_left_overwriting (head); | |
4643 | if (i >= 0) | |
4644 | { | |
4645 | BUILD_GLYPH_STRINGS (w, row, area, i, start, h, t, | |
66ac4b0e GM |
4646 | DRAW_NORMAL_TEXT, dummy_x, last_x, |
4647 | overlaps_p); | |
06a2c219 GM |
4648 | for (s = h; s; s = s->next) |
4649 | s->background_filled_p = 1; | |
4650 | if (real_start) | |
4651 | *real_start = i; | |
4652 | x_compute_overhangs_and_x (t, head->x, 1); | |
4653 | x_prepend_glyph_string_lists (&head, &tail, h, t); | |
4654 | } | |
dbcb258a | 4655 | |
06a2c219 GM |
4656 | /* Append glyphs strings for glyphs following the last glyph |
4657 | string tail that are overwritten by tail. The background of | |
4658 | these strings has to be drawn because tail's foreground draws | |
4659 | over it. */ | |
4660 | i = x_right_overwritten (tail); | |
4661 | if (i >= 0) | |
4662 | { | |
4663 | BUILD_GLYPH_STRINGS (w, row, area, end, i, h, t, | |
66ac4b0e GM |
4664 | DRAW_NORMAL_TEXT, x, last_x, |
4665 | overlaps_p); | |
06a2c219 GM |
4666 | x_compute_overhangs_and_x (h, tail->x + tail->width, 0); |
4667 | x_append_glyph_string_lists (&head, &tail, h, t); | |
4668 | if (real_end) | |
4669 | *real_end = i; | |
4670 | } | |
dc6f92b8 | 4671 | |
06a2c219 GM |
4672 | /* Append glyph strings for glyphs following the last glyph |
4673 | string tail that overwrite tail. The foreground of such | |
4674 | glyphs has to be drawn because it writes into the background | |
4675 | of tail. The background must not be drawn because it could | |
4676 | paint over the foreground of following glyphs. */ | |
4677 | i = x_right_overwriting (tail); | |
4678 | if (i >= 0) | |
4679 | { | |
4680 | BUILD_GLYPH_STRINGS (w, row, area, end, i, h, t, | |
66ac4b0e GM |
4681 | DRAW_NORMAL_TEXT, x, last_x, |
4682 | overlaps_p); | |
06a2c219 GM |
4683 | for (s = h; s; s = s->next) |
4684 | s->background_filled_p = 1; | |
4685 | x_compute_overhangs_and_x (h, tail->x + tail->width, 0); | |
4686 | x_append_glyph_string_lists (&head, &tail, h, t); | |
4687 | if (real_end) | |
4688 | *real_end = i; | |
4689 | } | |
4690 | } | |
58769bee | 4691 | |
06a2c219 GM |
4692 | /* Draw all strings. */ |
4693 | for (s = head; s; s = s->next) | |
4694 | x_draw_glyph_string (s); | |
dc6f92b8 | 4695 | |
06a2c219 GM |
4696 | /* Value is the x-position up to which drawn, relative to AREA of W. |
4697 | This doesn't include parts drawn because of overhangs. */ | |
4698 | x_reached = FRAME_TO_WINDOW_PIXEL_X (w, x_reached); | |
4699 | if (!row->full_width_p) | |
4700 | { | |
4701 | if (area > LEFT_MARGIN_AREA) | |
4702 | x_reached -= window_box_width (w, LEFT_MARGIN_AREA); | |
4703 | if (area > TEXT_AREA) | |
4704 | x_reached -= window_box_width (w, TEXT_AREA); | |
4705 | } | |
4706 | return x_reached; | |
4707 | } | |
dc6f92b8 | 4708 | |
dc6f92b8 | 4709 | |
66ac4b0e GM |
4710 | /* Fix the display of area AREA of overlapping row ROW in window W. */ |
4711 | ||
4712 | static void | |
4713 | x_fix_overlapping_area (w, row, area) | |
4714 | struct window *w; | |
4715 | struct glyph_row *row; | |
4716 | enum glyph_row_area area; | |
4717 | { | |
4718 | int i, x; | |
4719 | ||
4720 | BLOCK_INPUT; | |
4721 | ||
4722 | if (area == LEFT_MARGIN_AREA) | |
4723 | x = 0; | |
4724 | else if (area == TEXT_AREA) | |
4725 | x = row->x + window_box_width (w, LEFT_MARGIN_AREA); | |
4726 | else | |
4727 | x = (window_box_width (w, LEFT_MARGIN_AREA) | |
4728 | + window_box_width (w, TEXT_AREA)); | |
4729 | ||
4730 | for (i = 0; i < row->used[area];) | |
4731 | { | |
4732 | if (row->glyphs[area][i].overlaps_vertically_p) | |
4733 | { | |
4734 | int start = i, start_x = x; | |
4735 | ||
4736 | do | |
4737 | { | |
4738 | x += row->glyphs[area][i].pixel_width; | |
4739 | ++i; | |
4740 | } | |
4741 | while (i < row->used[area] | |
4742 | && row->glyphs[area][i].overlaps_vertically_p); | |
4743 | ||
4744 | x_draw_glyphs (w, start_x, row, area, start, i, | |
4745 | (row->inverse_p | |
4746 | ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT), | |
4747 | NULL, NULL, 1); | |
4748 | } | |
4749 | else | |
4750 | { | |
4751 | x += row->glyphs[area][i].pixel_width; | |
4752 | ++i; | |
4753 | } | |
4754 | } | |
4755 | ||
4756 | UNBLOCK_INPUT; | |
4757 | } | |
4758 | ||
4759 | ||
06a2c219 GM |
4760 | /* Output LEN glyphs starting at START at the nominal cursor position. |
4761 | Advance the nominal cursor over the text. The global variable | |
4762 | updated_window contains the window being updated, updated_row is | |
4763 | the glyph row being updated, and updated_area is the area of that | |
4764 | row being updated. */ | |
dc6f92b8 | 4765 | |
06a2c219 GM |
4766 | static void |
4767 | x_write_glyphs (start, len) | |
4768 | struct glyph *start; | |
4769 | int len; | |
4770 | { | |
4771 | int x, hpos, real_start, real_end; | |
d9cdbb3d | 4772 | |
06a2c219 | 4773 | xassert (updated_window && updated_row); |
dc6f92b8 | 4774 | BLOCK_INPUT; |
06a2c219 GM |
4775 | |
4776 | /* Write glyphs. */ | |
dc6f92b8 | 4777 | |
06a2c219 GM |
4778 | hpos = start - updated_row->glyphs[updated_area]; |
4779 | x = x_draw_glyphs (updated_window, output_cursor.x, | |
4780 | updated_row, updated_area, | |
4781 | hpos, hpos + len, | |
4782 | (updated_row->inverse_p | |
4783 | ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT), | |
66ac4b0e | 4784 | &real_start, &real_end, 0); |
b30ec466 | 4785 | |
06a2c219 GM |
4786 | /* If we drew over the cursor, note that it is not visible any more. */ |
4787 | note_overwritten_text_cursor (updated_window, real_start, | |
4788 | real_end - real_start); | |
dc6f92b8 JB |
4789 | |
4790 | UNBLOCK_INPUT; | |
06a2c219 GM |
4791 | |
4792 | /* Advance the output cursor. */ | |
4793 | output_cursor.hpos += len; | |
4794 | output_cursor.x = x; | |
dc6f92b8 JB |
4795 | } |
4796 | ||
0cdd0c9f | 4797 | |
06a2c219 | 4798 | /* Insert LEN glyphs from START at the nominal cursor position. */ |
0cdd0c9f | 4799 | |
06a2c219 GM |
4800 | static void |
4801 | x_insert_glyphs (start, len) | |
4802 | struct glyph *start; | |
4803 | register int len; | |
4804 | { | |
4805 | struct frame *f; | |
4806 | struct window *w; | |
4807 | int line_height, shift_by_width, shifted_region_width; | |
4808 | struct glyph_row *row; | |
4809 | struct glyph *glyph; | |
4810 | int frame_x, frame_y, hpos, real_start, real_end; | |
58769bee | 4811 | |
06a2c219 | 4812 | xassert (updated_window && updated_row); |
0cdd0c9f | 4813 | BLOCK_INPUT; |
06a2c219 GM |
4814 | w = updated_window; |
4815 | f = XFRAME (WINDOW_FRAME (w)); | |
4816 | ||
4817 | /* Get the height of the line we are in. */ | |
4818 | row = updated_row; | |
4819 | line_height = row->height; | |
4820 | ||
4821 | /* Get the width of the glyphs to insert. */ | |
4822 | shift_by_width = 0; | |
4823 | for (glyph = start; glyph < start + len; ++glyph) | |
4824 | shift_by_width += glyph->pixel_width; | |
4825 | ||
4826 | /* Get the width of the region to shift right. */ | |
4827 | shifted_region_width = (window_box_width (w, updated_area) | |
4828 | - output_cursor.x | |
4829 | - shift_by_width); | |
4830 | ||
4831 | /* Shift right. */ | |
4832 | frame_x = WINDOW_TO_FRAME_PIXEL_X (w, output_cursor.x); | |
4833 | frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, output_cursor.y); | |
4834 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), FRAME_X_WINDOW (f), | |
4835 | f->output_data.x->normal_gc, | |
4836 | frame_x, frame_y, | |
4837 | shifted_region_width, line_height, | |
4838 | frame_x + shift_by_width, frame_y); | |
4839 | ||
4840 | /* Write the glyphs. */ | |
4841 | hpos = start - row->glyphs[updated_area]; | |
4842 | x_draw_glyphs (w, output_cursor.x, row, updated_area, hpos, hpos + len, | |
66ac4b0e | 4843 | DRAW_NORMAL_TEXT, &real_start, &real_end, 0); |
06a2c219 GM |
4844 | note_overwritten_text_cursor (w, real_start, real_end - real_start); |
4845 | ||
4846 | /* Advance the output cursor. */ | |
4847 | output_cursor.hpos += len; | |
4848 | output_cursor.x += shift_by_width; | |
0cdd0c9f RS |
4849 | UNBLOCK_INPUT; |
4850 | } | |
0cdd0c9f | 4851 | |
0cdd0c9f | 4852 | |
06a2c219 GM |
4853 | /* Delete N glyphs at the nominal cursor position. Not implemented |
4854 | for X frames. */ | |
c83febd7 RS |
4855 | |
4856 | static void | |
06a2c219 GM |
4857 | x_delete_glyphs (n) |
4858 | register int n; | |
c83febd7 | 4859 | { |
06a2c219 | 4860 | abort (); |
c83febd7 RS |
4861 | } |
4862 | ||
0cdd0c9f | 4863 | |
06a2c219 GM |
4864 | /* Erase the current text line from the nominal cursor position |
4865 | (inclusive) to pixel column TO_X (exclusive). The idea is that | |
4866 | everything from TO_X onward is already erased. | |
4867 | ||
4868 | TO_X is a pixel position relative to updated_area of | |
4869 | updated_window. TO_X == -1 means clear to the end of this area. */ | |
dc6f92b8 | 4870 | |
06a2c219 GM |
4871 | static void |
4872 | x_clear_end_of_line (to_x) | |
4873 | int to_x; | |
4874 | { | |
4875 | struct frame *f; | |
4876 | struct window *w = updated_window; | |
4877 | int max_x, min_y, max_y; | |
4878 | int from_x, from_y, to_y; | |
4879 | ||
4880 | xassert (updated_window && updated_row); | |
4881 | f = XFRAME (w->frame); | |
4882 | ||
4883 | if (updated_row->full_width_p) | |
4884 | { | |
4885 | max_x = XFASTINT (w->width) * CANON_X_UNIT (f); | |
4886 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
4887 | && !w->pseudo_window_p) | |
4888 | max_x += FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f); | |
0cdd0c9f | 4889 | } |
06a2c219 GM |
4890 | else |
4891 | max_x = window_box_width (w, updated_area); | |
4892 | max_y = window_text_bottom_y (w); | |
dc6f92b8 | 4893 | |
06a2c219 GM |
4894 | /* TO_X == 0 means don't do anything. TO_X < 0 means clear to end |
4895 | of window. For TO_X > 0, truncate to end of drawing area. */ | |
4896 | if (to_x == 0) | |
4897 | return; | |
4898 | else if (to_x < 0) | |
4899 | to_x = max_x; | |
4900 | else | |
4901 | to_x = min (to_x, max_x); | |
dbc4e1c1 | 4902 | |
06a2c219 GM |
4903 | to_y = min (max_y, output_cursor.y + updated_row->height); |
4904 | ||
4905 | /* Notice if the cursor will be cleared by this operation. */ | |
4906 | if (!updated_row->full_width_p) | |
4907 | note_overwritten_text_cursor (w, output_cursor.hpos, -1); | |
dbc4e1c1 | 4908 | |
06a2c219 GM |
4909 | from_x = output_cursor.x; |
4910 | ||
4911 | /* Translate to frame coordinates. */ | |
4912 | if (updated_row->full_width_p) | |
4913 | { | |
4914 | from_x = WINDOW_TO_FRAME_PIXEL_X (w, from_x); | |
4915 | to_x = WINDOW_TO_FRAME_PIXEL_X (w, to_x); | |
4916 | } | |
0cdd0c9f RS |
4917 | else |
4918 | { | |
06a2c219 GM |
4919 | from_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, from_x); |
4920 | to_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, to_x); | |
4921 | } | |
4922 | ||
045dee35 | 4923 | min_y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); |
06a2c219 GM |
4924 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, max (min_y, output_cursor.y)); |
4925 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, to_y); | |
4926 | ||
4927 | /* Prevent inadvertently clearing to end of the X window. */ | |
4928 | if (to_x > from_x && to_y > from_y) | |
4929 | { | |
4930 | BLOCK_INPUT; | |
4931 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
4932 | from_x, from_y, to_x - from_x, to_y - from_y, | |
4933 | False); | |
4934 | UNBLOCK_INPUT; | |
0cdd0c9f | 4935 | } |
0cdd0c9f | 4936 | } |
dbc4e1c1 | 4937 | |
0cdd0c9f | 4938 | |
06a2c219 | 4939 | /* Clear entire frame. If updating_frame is non-null, clear that |
b86bd3dd | 4940 | frame. Otherwise clear the selected frame. */ |
06a2c219 GM |
4941 | |
4942 | static void | |
4943 | x_clear_frame () | |
0cdd0c9f | 4944 | { |
06a2c219 | 4945 | struct frame *f; |
0cdd0c9f | 4946 | |
06a2c219 GM |
4947 | if (updating_frame) |
4948 | f = updating_frame; | |
0cdd0c9f | 4949 | else |
b86bd3dd | 4950 | f = SELECTED_FRAME (); |
58769bee | 4951 | |
06a2c219 GM |
4952 | /* Clearing the frame will erase any cursor, so mark them all as no |
4953 | longer visible. */ | |
4954 | mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f))); | |
4955 | output_cursor.hpos = output_cursor.vpos = 0; | |
4956 | output_cursor.x = -1; | |
4957 | ||
4958 | /* We don't set the output cursor here because there will always | |
4959 | follow an explicit cursor_to. */ | |
4960 | BLOCK_INPUT; | |
4961 | XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); | |
4962 | ||
4963 | /* We have to clear the scroll bars, too. If we have changed | |
4964 | colors or something like that, then they should be notified. */ | |
4965 | x_scroll_bar_clear (f); | |
0cdd0c9f | 4966 | |
06a2c219 GM |
4967 | XFlush (FRAME_X_DISPLAY (f)); |
4968 | UNBLOCK_INPUT; | |
dc6f92b8 | 4969 | } |
06a2c219 GM |
4970 | |
4971 | ||
dc6f92b8 | 4972 | \f |
dbc4e1c1 JB |
4973 | /* Invert the middle quarter of the frame for .15 sec. */ |
4974 | ||
06a2c219 GM |
4975 | /* We use the select system call to do the waiting, so we have to make |
4976 | sure it's available. If it isn't, we just won't do visual bells. */ | |
4977 | ||
dbc4e1c1 JB |
4978 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
4979 | ||
06a2c219 GM |
4980 | |
4981 | /* Subtract the `struct timeval' values X and Y, storing the result in | |
4982 | *RESULT. Return 1 if the difference is negative, otherwise 0. */ | |
dbc4e1c1 JB |
4983 | |
4984 | static int | |
4985 | timeval_subtract (result, x, y) | |
4986 | struct timeval *result, x, y; | |
4987 | { | |
06a2c219 GM |
4988 | /* Perform the carry for the later subtraction by updating y. This |
4989 | is safer because on some systems the tv_sec member is unsigned. */ | |
dbc4e1c1 JB |
4990 | if (x.tv_usec < y.tv_usec) |
4991 | { | |
4992 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
4993 | y.tv_usec -= 1000000 * nsec; | |
4994 | y.tv_sec += nsec; | |
4995 | } | |
06a2c219 | 4996 | |
dbc4e1c1 JB |
4997 | if (x.tv_usec - y.tv_usec > 1000000) |
4998 | { | |
4999 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
5000 | y.tv_usec += 1000000 * nsec; | |
5001 | y.tv_sec -= nsec; | |
5002 | } | |
5003 | ||
06a2c219 GM |
5004 | /* Compute the time remaining to wait. tv_usec is certainly |
5005 | positive. */ | |
dbc4e1c1 JB |
5006 | result->tv_sec = x.tv_sec - y.tv_sec; |
5007 | result->tv_usec = x.tv_usec - y.tv_usec; | |
5008 | ||
06a2c219 GM |
5009 | /* Return indication of whether the result should be considered |
5010 | negative. */ | |
dbc4e1c1 JB |
5011 | return x.tv_sec < y.tv_sec; |
5012 | } | |
dc6f92b8 | 5013 | |
dfcf069d | 5014 | void |
f676886a JB |
5015 | XTflash (f) |
5016 | struct frame *f; | |
dc6f92b8 | 5017 | { |
dbc4e1c1 | 5018 | BLOCK_INPUT; |
dc6f92b8 | 5019 | |
dbc4e1c1 JB |
5020 | { |
5021 | GC gc; | |
dc6f92b8 | 5022 | |
06a2c219 GM |
5023 | /* Create a GC that will use the GXxor function to flip foreground |
5024 | pixels into background pixels. */ | |
dbc4e1c1 JB |
5025 | { |
5026 | XGCValues values; | |
dc6f92b8 | 5027 | |
dbc4e1c1 | 5028 | values.function = GXxor; |
7556890b RS |
5029 | values.foreground = (f->output_data.x->foreground_pixel |
5030 | ^ f->output_data.x->background_pixel); | |
58769bee | 5031 | |
334208b7 | 5032 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
5033 | GCFunction | GCForeground, &values); |
5034 | } | |
dc6f92b8 | 5035 | |
dbc4e1c1 | 5036 | { |
e84e14c3 RS |
5037 | /* Get the height not including a menu bar widget. */ |
5038 | int height = CHAR_TO_PIXEL_HEIGHT (f, FRAME_HEIGHT (f)); | |
5039 | /* Height of each line to flash. */ | |
5040 | int flash_height = FRAME_LINE_HEIGHT (f); | |
5041 | /* These will be the left and right margins of the rectangles. */ | |
5042 | int flash_left = FRAME_INTERNAL_BORDER_WIDTH (f); | |
5043 | int flash_right = PIXEL_WIDTH (f) - FRAME_INTERNAL_BORDER_WIDTH (f); | |
5044 | ||
5045 | int width; | |
5046 | ||
5047 | /* Don't flash the area between a scroll bar and the frame | |
5048 | edge it is next to. */ | |
5049 | switch (FRAME_VERTICAL_SCROLL_BAR_TYPE (f)) | |
5050 | { | |
5051 | case vertical_scroll_bar_left: | |
5052 | flash_left += VERTICAL_SCROLL_BAR_WIDTH_TRIM; | |
5053 | break; | |
5054 | ||
5055 | case vertical_scroll_bar_right: | |
5056 | flash_right -= VERTICAL_SCROLL_BAR_WIDTH_TRIM; | |
5057 | break; | |
06a2c219 GM |
5058 | |
5059 | default: | |
5060 | break; | |
e84e14c3 RS |
5061 | } |
5062 | ||
5063 | width = flash_right - flash_left; | |
5064 | ||
5065 | /* If window is tall, flash top and bottom line. */ | |
5066 | if (height > 3 * FRAME_LINE_HEIGHT (f)) | |
5067 | { | |
5068 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
06a2c219 GM |
5069 | flash_left, |
5070 | (FRAME_INTERNAL_BORDER_WIDTH (f) | |
9ea173e8 | 5071 | + FRAME_TOOL_BAR_LINES (f) * CANON_Y_UNIT (f)), |
e84e14c3 RS |
5072 | width, flash_height); |
5073 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
5074 | flash_left, | |
5075 | (height - flash_height | |
5076 | - FRAME_INTERNAL_BORDER_WIDTH (f)), | |
5077 | width, flash_height); | |
5078 | } | |
5079 | else | |
5080 | /* If it is short, flash it all. */ | |
5081 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
5082 | flash_left, FRAME_INTERNAL_BORDER_WIDTH (f), | |
5083 | width, height - 2 * FRAME_INTERNAL_BORDER_WIDTH (f)); | |
dc6f92b8 | 5084 | |
06a2c219 | 5085 | x_flush (f); |
dc6f92b8 | 5086 | |
dbc4e1c1 | 5087 | { |
06a2c219 | 5088 | struct timeval wakeup; |
dc6f92b8 | 5089 | |
66c30ea1 | 5090 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 5091 | |
dbc4e1c1 JB |
5092 | /* Compute time to wait until, propagating carry from usecs. */ |
5093 | wakeup.tv_usec += 150000; | |
5094 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
5095 | wakeup.tv_usec %= 1000000; | |
5096 | ||
5097 | /* Keep waiting until past the time wakeup. */ | |
5098 | while (1) | |
5099 | { | |
5100 | struct timeval timeout; | |
5101 | ||
66c30ea1 | 5102 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
5103 | |
5104 | /* In effect, timeout = wakeup - timeout. | |
5105 | Break if result would be negative. */ | |
5106 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
5107 | break; | |
5108 | ||
5109 | /* Try to wait that long--but we might wake up sooner. */ | |
c32cdd9a | 5110 | select (0, NULL, NULL, NULL, &timeout); |
dbc4e1c1 JB |
5111 | } |
5112 | } | |
58769bee | 5113 | |
e84e14c3 RS |
5114 | /* If window is tall, flash top and bottom line. */ |
5115 | if (height > 3 * FRAME_LINE_HEIGHT (f)) | |
5116 | { | |
5117 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
06a2c219 GM |
5118 | flash_left, |
5119 | (FRAME_INTERNAL_BORDER_WIDTH (f) | |
9ea173e8 | 5120 | + FRAME_TOOL_BAR_LINES (f) * CANON_Y_UNIT (f)), |
e84e14c3 RS |
5121 | width, flash_height); |
5122 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
5123 | flash_left, | |
5124 | (height - flash_height | |
5125 | - FRAME_INTERNAL_BORDER_WIDTH (f)), | |
5126 | width, flash_height); | |
5127 | } | |
5128 | else | |
5129 | /* If it is short, flash it all. */ | |
5130 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, | |
5131 | flash_left, FRAME_INTERNAL_BORDER_WIDTH (f), | |
5132 | width, height - 2 * FRAME_INTERNAL_BORDER_WIDTH (f)); | |
5133 | ||
334208b7 | 5134 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
06a2c219 | 5135 | x_flush (f); |
dc6f92b8 | 5136 | } |
dbc4e1c1 JB |
5137 | } |
5138 | ||
5139 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
5140 | } |
5141 | ||
06a2c219 | 5142 | #endif /* defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) */ |
dbc4e1c1 JB |
5143 | |
5144 | ||
dc6f92b8 JB |
5145 | /* Make audible bell. */ |
5146 | ||
dfcf069d | 5147 | void |
dc6f92b8 JB |
5148 | XTring_bell () |
5149 | { | |
b86bd3dd GM |
5150 | struct frame *f = SELECTED_FRAME (); |
5151 | ||
5152 | if (FRAME_X_DISPLAY (f)) | |
5153 | { | |
dbc4e1c1 | 5154 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
b86bd3dd GM |
5155 | if (visible_bell) |
5156 | XTflash (f); | |
5157 | else | |
dbc4e1c1 | 5158 | #endif |
b86bd3dd GM |
5159 | { |
5160 | BLOCK_INPUT; | |
5161 | XBell (FRAME_X_DISPLAY (f), 0); | |
5162 | XFlush (FRAME_X_DISPLAY (f)); | |
5163 | UNBLOCK_INPUT; | |
5164 | } | |
dc6f92b8 JB |
5165 | } |
5166 | } | |
06a2c219 | 5167 | |
dc6f92b8 | 5168 | \f |
06a2c219 GM |
5169 | /* Specify how many text lines, from the top of the window, |
5170 | should be affected by insert-lines and delete-lines operations. | |
5171 | This, and those operations, are used only within an update | |
5172 | that is bounded by calls to x_update_begin and x_update_end. */ | |
dc6f92b8 | 5173 | |
dfcf069d | 5174 | static void |
06a2c219 GM |
5175 | XTset_terminal_window (n) |
5176 | register int n; | |
dc6f92b8 | 5177 | { |
06a2c219 | 5178 | /* This function intentionally left blank. */ |
dc6f92b8 JB |
5179 | } |
5180 | ||
06a2c219 GM |
5181 | |
5182 | \f | |
5183 | /*********************************************************************** | |
5184 | Line Dance | |
5185 | ***********************************************************************/ | |
5186 | ||
5187 | /* Perform an insert-lines or delete-lines operation, inserting N | |
5188 | lines or deleting -N lines at vertical position VPOS. */ | |
5189 | ||
dfcf069d | 5190 | static void |
06a2c219 GM |
5191 | x_ins_del_lines (vpos, n) |
5192 | int vpos, n; | |
dc6f92b8 JB |
5193 | { |
5194 | abort (); | |
5195 | } | |
06a2c219 GM |
5196 | |
5197 | ||
5198 | /* Scroll part of the display as described by RUN. */ | |
dc6f92b8 | 5199 | |
dfcf069d | 5200 | static void |
06a2c219 GM |
5201 | x_scroll_run (w, run) |
5202 | struct window *w; | |
5203 | struct run *run; | |
dc6f92b8 | 5204 | { |
06a2c219 GM |
5205 | struct frame *f = XFRAME (w->frame); |
5206 | int x, y, width, height, from_y, to_y, bottom_y; | |
5207 | ||
5208 | /* Get frame-relative bounding box of the text display area of W, | |
5209 | without mode lines. Include in this box the flags areas to the | |
5210 | left and right of W. */ | |
5211 | window_box (w, -1, &x, &y, &width, &height); | |
110859fc GM |
5212 | width += FRAME_X_FLAGS_AREA_WIDTH (f); |
5213 | x -= FRAME_X_LEFT_FLAGS_AREA_WIDTH (f); | |
06a2c219 GM |
5214 | |
5215 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y); | |
5216 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y); | |
5217 | bottom_y = y + height; | |
dc6f92b8 | 5218 | |
06a2c219 GM |
5219 | if (to_y < from_y) |
5220 | { | |
5221 | /* Scrolling up. Make sure we don't copy part of the mode | |
5222 | line at the bottom. */ | |
5223 | if (from_y + run->height > bottom_y) | |
5224 | height = bottom_y - from_y; | |
5225 | else | |
5226 | height = run->height; | |
5227 | } | |
dc6f92b8 | 5228 | else |
06a2c219 GM |
5229 | { |
5230 | /* Scolling down. Make sure we don't copy over the mode line. | |
5231 | at the bottom. */ | |
5232 | if (to_y + run->height > bottom_y) | |
5233 | height = bottom_y - to_y; | |
5234 | else | |
5235 | height = run->height; | |
5236 | } | |
7a13e894 | 5237 | |
06a2c219 GM |
5238 | BLOCK_INPUT; |
5239 | ||
5240 | /* Cursor off. Will be switched on again in x_update_window_end. */ | |
5241 | updated_window = w; | |
5242 | x_clear_cursor (w); | |
5243 | ||
5244 | XCopyArea (FRAME_X_DISPLAY (f), | |
5245 | FRAME_X_WINDOW (f), FRAME_X_WINDOW (f), | |
5246 | f->output_data.x->normal_gc, | |
5247 | x, from_y, | |
5248 | width, height, | |
5249 | x, to_y); | |
5250 | ||
5251 | UNBLOCK_INPUT; | |
5252 | } | |
dc6f92b8 | 5253 | |
dc6f92b8 | 5254 | |
06a2c219 GM |
5255 | \f |
5256 | /*********************************************************************** | |
5257 | Exposure Events | |
5258 | ***********************************************************************/ | |
5259 | ||
5260 | /* Redisplay an exposed area of frame F. X and Y are the upper-left | |
5261 | corner of the exposed rectangle. W and H are width and height of | |
5262 | the exposed area. All are pixel values. W or H zero means redraw | |
5263 | the entire frame. */ | |
dc6f92b8 | 5264 | |
06a2c219 GM |
5265 | static void |
5266 | expose_frame (f, x, y, w, h) | |
5267 | struct frame *f; | |
5268 | int x, y, w, h; | |
dc6f92b8 | 5269 | { |
06a2c219 | 5270 | XRectangle r; |
dc6f92b8 | 5271 | |
06a2c219 | 5272 | TRACE ((stderr, "expose_frame ")); |
dc6f92b8 | 5273 | |
06a2c219 GM |
5274 | /* No need to redraw if frame will be redrawn soon. */ |
5275 | if (FRAME_GARBAGED_P (f)) | |
dc6f92b8 | 5276 | { |
06a2c219 GM |
5277 | TRACE ((stderr, " garbaged\n")); |
5278 | return; | |
5279 | } | |
5280 | ||
5281 | /* If basic faces haven't been realized yet, there is no point in | |
5282 | trying to redraw anything. This can happen when we get an expose | |
5283 | event while Emacs is starting, e.g. by moving another window. */ | |
5284 | if (FRAME_FACE_CACHE (f) == NULL | |
5285 | || FRAME_FACE_CACHE (f)->used < BASIC_FACE_ID_SENTINEL) | |
5286 | { | |
5287 | TRACE ((stderr, " no faces\n")); | |
5288 | return; | |
58769bee | 5289 | } |
06a2c219 GM |
5290 | |
5291 | if (w == 0 || h == 0) | |
58769bee | 5292 | { |
06a2c219 GM |
5293 | r.x = r.y = 0; |
5294 | r.width = CANON_X_UNIT (f) * f->width; | |
5295 | r.height = CANON_Y_UNIT (f) * f->height; | |
dc6f92b8 JB |
5296 | } |
5297 | else | |
5298 | { | |
06a2c219 GM |
5299 | r.x = x; |
5300 | r.y = y; | |
5301 | r.width = w; | |
5302 | r.height = h; | |
5303 | } | |
5304 | ||
5305 | TRACE ((stderr, "(%d, %d, %d, %d)\n", r.x, r.y, r.width, r.height)); | |
5306 | expose_window_tree (XWINDOW (f->root_window), &r); | |
5307 | ||
9ea173e8 | 5308 | if (WINDOWP (f->tool_bar_window)) |
06a2c219 | 5309 | { |
9ea173e8 | 5310 | struct window *w = XWINDOW (f->tool_bar_window); |
06a2c219 GM |
5311 | XRectangle window_rect; |
5312 | XRectangle intersection_rect; | |
5313 | int window_x, window_y, window_width, window_height; | |
5314 | ||
5315 | ||
5316 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); | |
5317 | window_rect.x = window_x; | |
5318 | window_rect.y = window_y; | |
5319 | window_rect.width = window_width; | |
5320 | window_rect.height = window_height; | |
5321 | ||
5322 | if (x_intersect_rectangles (&r, &window_rect, &intersection_rect)) | |
5323 | expose_window (w, &intersection_rect); | |
5324 | } | |
5325 | ||
5326 | #ifndef USE_X_TOOLKIT | |
5327 | if (WINDOWP (f->menu_bar_window)) | |
5328 | { | |
5329 | struct window *w = XWINDOW (f->menu_bar_window); | |
5330 | XRectangle window_rect; | |
5331 | XRectangle intersection_rect; | |
5332 | int window_x, window_y, window_width, window_height; | |
5333 | ||
5334 | ||
5335 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); | |
5336 | window_rect.x = window_x; | |
5337 | window_rect.y = window_y; | |
5338 | window_rect.width = window_width; | |
5339 | window_rect.height = window_height; | |
5340 | ||
5341 | if (x_intersect_rectangles (&r, &window_rect, &intersection_rect)) | |
5342 | expose_window (w, &intersection_rect); | |
dc6f92b8 | 5343 | } |
06a2c219 | 5344 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5345 | } |
5346 | ||
06a2c219 GM |
5347 | |
5348 | /* Redraw (parts) of all windows in the window tree rooted at W that | |
5349 | intersect R. R contains frame pixel coordinates. */ | |
5350 | ||
58769bee | 5351 | static void |
06a2c219 GM |
5352 | expose_window_tree (w, r) |
5353 | struct window *w; | |
5354 | XRectangle *r; | |
dc6f92b8 | 5355 | { |
06a2c219 GM |
5356 | while (w) |
5357 | { | |
5358 | if (!NILP (w->hchild)) | |
5359 | expose_window_tree (XWINDOW (w->hchild), r); | |
5360 | else if (!NILP (w->vchild)) | |
5361 | expose_window_tree (XWINDOW (w->vchild), r); | |
5362 | else | |
5363 | { | |
5364 | XRectangle window_rect; | |
5365 | XRectangle intersection_rect; | |
5366 | struct frame *f = XFRAME (w->frame); | |
5367 | int window_x, window_y, window_width, window_height; | |
5368 | ||
5369 | /* Frame-relative pixel rectangle of W. */ | |
5370 | window_box (w, -1, &window_x, &window_y, &window_width, | |
5371 | &window_height); | |
5372 | window_rect.x | |
5373 | = (window_x | |
110859fc | 5374 | - FRAME_X_LEFT_FLAGS_AREA_WIDTH (f) |
714dc26c | 5375 | - FRAME_LEFT_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f)); |
06a2c219 GM |
5376 | window_rect.y = window_y; |
5377 | window_rect.width | |
5378 | = (window_width | |
110859fc | 5379 | + FRAME_X_FLAGS_AREA_WIDTH (f) |
06a2c219 GM |
5380 | + FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f)); |
5381 | window_rect.height | |
5382 | = window_height + CURRENT_MODE_LINE_HEIGHT (w); | |
5383 | ||
5384 | if (x_intersect_rectangles (r, &window_rect, &intersection_rect)) | |
5385 | expose_window (w, &intersection_rect); | |
5386 | } | |
58769bee | 5387 | |
06a2c219 GM |
5388 | w = NILP (w->next) ? 0 : XWINDOW (w->next); |
5389 | } | |
5390 | } | |
58769bee | 5391 | |
dc6f92b8 | 5392 | |
06a2c219 GM |
5393 | /* Redraw the part of glyph row area AREA of glyph row ROW on window W |
5394 | which intersects rectangle R. R is in window-relative coordinates. */ | |
5395 | ||
5396 | static void | |
5397 | expose_area (w, row, r, area) | |
5398 | struct window *w; | |
5399 | struct glyph_row *row; | |
5400 | XRectangle *r; | |
5401 | enum glyph_row_area area; | |
5402 | { | |
5403 | int x; | |
5404 | struct glyph *first = row->glyphs[area]; | |
5405 | struct glyph *end = row->glyphs[area] + row->used[area]; | |
5406 | struct glyph *last; | |
5407 | int first_x; | |
5408 | ||
5409 | /* Set x to the window-relative start position for drawing glyphs of | |
5410 | AREA. The first glyph of the text area can be partially visible. | |
5411 | The first glyphs of other areas cannot. */ | |
5412 | if (area == LEFT_MARGIN_AREA) | |
5413 | x = 0; | |
5414 | else if (area == TEXT_AREA) | |
5415 | x = row->x + window_box_width (w, LEFT_MARGIN_AREA); | |
5416 | else | |
5417 | x = (window_box_width (w, LEFT_MARGIN_AREA) | |
5418 | + window_box_width (w, TEXT_AREA)); | |
5419 | ||
6fb13182 GM |
5420 | if (area == TEXT_AREA && row->fill_line_p) |
5421 | /* If row extends face to end of line write the whole line. */ | |
5422 | x_draw_glyphs (w, x, row, area, | |
5423 | 0, row->used[area], | |
06a2c219 | 5424 | row->inverse_p ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT, |
66ac4b0e | 5425 | NULL, NULL, 0); |
6fb13182 GM |
5426 | else |
5427 | { | |
5428 | /* Find the first glyph that must be redrawn. */ | |
5429 | while (first < end | |
5430 | && x + first->pixel_width < r->x) | |
5431 | { | |
5432 | x += first->pixel_width; | |
5433 | ++first; | |
5434 | } | |
5435 | ||
5436 | /* Find the last one. */ | |
5437 | last = first; | |
5438 | first_x = x; | |
5439 | while (last < end | |
5440 | && x < r->x + r->width) | |
5441 | { | |
5442 | x += last->pixel_width; | |
5443 | ++last; | |
5444 | } | |
5445 | ||
5446 | /* Repaint. */ | |
5447 | if (last > first) | |
5448 | x_draw_glyphs (w, first_x, row, area, | |
5449 | first - row->glyphs[area], | |
5450 | last - row->glyphs[area], | |
5451 | row->inverse_p ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT, | |
5452 | NULL, NULL, 0); | |
5453 | } | |
06a2c219 GM |
5454 | } |
5455 | ||
58769bee | 5456 | |
06a2c219 GM |
5457 | /* Redraw the parts of the glyph row ROW on window W intersecting |
5458 | rectangle R. R is in window-relative coordinates. */ | |
dc6f92b8 | 5459 | |
06a2c219 GM |
5460 | static void |
5461 | expose_line (w, row, r) | |
5462 | struct window *w; | |
5463 | struct glyph_row *row; | |
5464 | XRectangle *r; | |
5465 | { | |
5466 | xassert (row->enabled_p); | |
5467 | ||
5468 | if (row->mode_line_p || w->pseudo_window_p) | |
5469 | x_draw_glyphs (w, 0, row, TEXT_AREA, 0, row->used[TEXT_AREA], | |
5470 | row->inverse_p ? DRAW_INVERSE_VIDEO : DRAW_NORMAL_TEXT, | |
66ac4b0e | 5471 | NULL, NULL, 0); |
06a2c219 GM |
5472 | else |
5473 | { | |
5474 | if (row->used[LEFT_MARGIN_AREA]) | |
5475 | expose_area (w, row, r, LEFT_MARGIN_AREA); | |
5476 | if (row->used[TEXT_AREA]) | |
5477 | expose_area (w, row, r, TEXT_AREA); | |
5478 | if (row->used[RIGHT_MARGIN_AREA]) | |
5479 | expose_area (w, row, r, RIGHT_MARGIN_AREA); | |
5480 | x_draw_row_bitmaps (w, row); | |
5481 | } | |
5482 | } | |
dc6f92b8 | 5483 | |
58769bee | 5484 | |
06a2c219 GM |
5485 | /* Return non-zero if W's cursor intersects rectangle R. */ |
5486 | ||
5487 | static int | |
5488 | x_phys_cursor_in_rect_p (w, r) | |
5489 | struct window *w; | |
5490 | XRectangle *r; | |
5491 | { | |
5492 | XRectangle cr, result; | |
5493 | struct glyph *cursor_glyph; | |
5494 | ||
5495 | cursor_glyph = get_phys_cursor_glyph (w); | |
5496 | if (cursor_glyph) | |
5497 | { | |
5498 | cr.x = w->phys_cursor.x; | |
5499 | cr.y = w->phys_cursor.y; | |
5500 | cr.width = cursor_glyph->pixel_width; | |
5501 | cr.height = w->phys_cursor_height; | |
5502 | return x_intersect_rectangles (&cr, r, &result); | |
5503 | } | |
5504 | else | |
5505 | return 0; | |
dc6f92b8 | 5506 | } |
dc6f92b8 | 5507 | |
06a2c219 GM |
5508 | |
5509 | /* Redraw a rectangle of window W. R is a rectangle in window | |
5510 | relative coordinates. Call this function with input blocked. */ | |
dc6f92b8 JB |
5511 | |
5512 | static void | |
06a2c219 GM |
5513 | expose_window (w, r) |
5514 | struct window *w; | |
5515 | XRectangle *r; | |
dc6f92b8 | 5516 | { |
06a2c219 GM |
5517 | struct glyph_row *row; |
5518 | int y; | |
5519 | int yb = window_text_bottom_y (w); | |
5520 | int cursor_cleared_p; | |
dc6f92b8 | 5521 | |
80c32bcc GM |
5522 | /* If window is not yet fully initialized, do nothing. This can |
5523 | happen when toolkit scroll bars are used and a window is split. | |
5524 | Reconfiguring the scroll bar will generate an expose for a newly | |
5525 | created window. */ | |
5526 | if (w->current_matrix == NULL) | |
5527 | return; | |
5528 | ||
06a2c219 GM |
5529 | TRACE ((stderr, "expose_window (%d, %d, %d, %d)\n", |
5530 | r->x, r->y, r->width, r->height)); | |
dc6f92b8 | 5531 | |
06a2c219 GM |
5532 | /* Convert to window coordinates. */ |
5533 | r->x = FRAME_TO_WINDOW_PIXEL_X (w, r->x); | |
5534 | r->y = FRAME_TO_WINDOW_PIXEL_Y (w, r->y); | |
dc6f92b8 | 5535 | |
06a2c219 GM |
5536 | /* Turn off the cursor. */ |
5537 | if (!w->pseudo_window_p | |
5538 | && x_phys_cursor_in_rect_p (w, r)) | |
5539 | { | |
5540 | x_clear_cursor (w); | |
5541 | cursor_cleared_p = 1; | |
5542 | } | |
5543 | else | |
5544 | cursor_cleared_p = 0; | |
5545 | ||
5546 | /* Find the first row intersecting the rectangle R. */ | |
5547 | row = w->current_matrix->rows; | |
5548 | y = 0; | |
5549 | while (row->enabled_p | |
5550 | && y < yb | |
5551 | && y + row->height < r->y) | |
5552 | { | |
5553 | y += row->height; | |
5554 | ++row; | |
5555 | } | |
5556 | ||
dc6f92b8 | 5557 | /* Display the text in the rectangle, one text line at a time. */ |
06a2c219 GM |
5558 | while (row->enabled_p |
5559 | && y < yb | |
5560 | && y < r->y + r->height) | |
5561 | { | |
5562 | expose_line (w, row, r); | |
5563 | y += row->height; | |
5564 | ++row; | |
5565 | } | |
5566 | ||
5567 | /* Display the mode line if there is one. */ | |
5568 | if (WINDOW_WANTS_MODELINE_P (w) | |
5569 | && (row = MATRIX_MODE_LINE_ROW (w->current_matrix), | |
5570 | row->enabled_p) | |
5571 | && row->y < r->y + r->height) | |
5572 | expose_line (w, row, r); | |
dc6f92b8 | 5573 | |
06a2c219 | 5574 | if (!w->pseudo_window_p) |
dc6f92b8 | 5575 | { |
06a2c219 GM |
5576 | /* Draw border between windows. */ |
5577 | x_draw_vertical_border (w); | |
5578 | ||
5579 | /* Turn the cursor on again. */ | |
5580 | if (cursor_cleared_p) | |
5581 | x_update_window_cursor (w, 1); | |
5582 | } | |
5583 | } | |
dc6f92b8 | 5584 | |
dc6f92b8 | 5585 | |
06a2c219 GM |
5586 | /* Determine the intersection of two rectangles R1 and R2. Return |
5587 | the intersection in *RESULT. Value is non-zero if RESULT is not | |
5588 | empty. */ | |
5589 | ||
5590 | static int | |
5591 | x_intersect_rectangles (r1, r2, result) | |
5592 | XRectangle *r1, *r2, *result; | |
5593 | { | |
5594 | XRectangle *left, *right; | |
5595 | XRectangle *upper, *lower; | |
5596 | int intersection_p = 0; | |
5597 | ||
5598 | /* Rearrange so that R1 is the left-most rectangle. */ | |
5599 | if (r1->x < r2->x) | |
5600 | left = r1, right = r2; | |
5601 | else | |
5602 | left = r2, right = r1; | |
5603 | ||
5604 | /* X0 of the intersection is right.x0, if this is inside R1, | |
5605 | otherwise there is no intersection. */ | |
5606 | if (right->x <= left->x + left->width) | |
5607 | { | |
5608 | result->x = right->x; | |
5609 | ||
5610 | /* The right end of the intersection is the minimum of the | |
5611 | the right ends of left and right. */ | |
5612 | result->width = (min (left->x + left->width, right->x + right->width) | |
5613 | - result->x); | |
5614 | ||
5615 | /* Same game for Y. */ | |
5616 | if (r1->y < r2->y) | |
5617 | upper = r1, lower = r2; | |
5618 | else | |
5619 | upper = r2, lower = r1; | |
5620 | ||
5621 | /* The upper end of the intersection is lower.y0, if this is inside | |
5622 | of upper. Otherwise, there is no intersection. */ | |
5623 | if (lower->y <= upper->y + upper->height) | |
dc43ef94 | 5624 | { |
06a2c219 GM |
5625 | result->y = lower->y; |
5626 | ||
5627 | /* The lower end of the intersection is the minimum of the lower | |
5628 | ends of upper and lower. */ | |
5629 | result->height = (min (lower->y + lower->height, | |
5630 | upper->y + upper->height) | |
5631 | - result->y); | |
5632 | intersection_p = 1; | |
dc43ef94 | 5633 | } |
dc6f92b8 JB |
5634 | } |
5635 | ||
06a2c219 | 5636 | return intersection_p; |
dc6f92b8 | 5637 | } |
06a2c219 GM |
5638 | |
5639 | ||
5640 | ||
5641 | ||
dc6f92b8 | 5642 | \f |
dc6f92b8 | 5643 | static void |
334208b7 RS |
5644 | frame_highlight (f) |
5645 | struct frame *f; | |
dc6f92b8 | 5646 | { |
b3e1e05c JB |
5647 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
5648 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
5649 | and border pixel are window attributes which are "private to the | |
5650 | client", so we can always change it to whatever we want. */ | |
5651 | BLOCK_INPUT; | |
334208b7 | 5652 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 5653 | f->output_data.x->border_pixel); |
b3e1e05c | 5654 | UNBLOCK_INPUT; |
5d46f928 | 5655 | x_update_cursor (f, 1); |
dc6f92b8 JB |
5656 | } |
5657 | ||
5658 | static void | |
334208b7 RS |
5659 | frame_unhighlight (f) |
5660 | struct frame *f; | |
dc6f92b8 | 5661 | { |
b3e1e05c JB |
5662 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
5663 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
5664 | and border pixel are window attributes which are "private to the | |
5665 | client", so we can always change it to whatever we want. */ | |
5666 | BLOCK_INPUT; | |
334208b7 | 5667 | XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 5668 | f->output_data.x->border_tile); |
b3e1e05c | 5669 | UNBLOCK_INPUT; |
5d46f928 | 5670 | x_update_cursor (f, 1); |
dc6f92b8 | 5671 | } |
dc6f92b8 | 5672 | |
f676886a JB |
5673 | /* The focus has changed. Update the frames as necessary to reflect |
5674 | the new situation. Note that we can't change the selected frame | |
c5acd733 | 5675 | here, because the Lisp code we are interrupting might become confused. |
eb8c3be9 | 5676 | Each event gets marked with the frame in which it occurred, so the |
c5acd733 | 5677 | Lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 5678 | |
6d4238f3 | 5679 | static void |
0f941935 KH |
5680 | x_new_focus_frame (dpyinfo, frame) |
5681 | struct x_display_info *dpyinfo; | |
f676886a | 5682 | struct frame *frame; |
dc6f92b8 | 5683 | { |
0f941935 | 5684 | struct frame *old_focus = dpyinfo->x_focus_frame; |
dc6f92b8 | 5685 | |
0f941935 | 5686 | if (frame != dpyinfo->x_focus_frame) |
dc6f92b8 | 5687 | { |
58769bee | 5688 | /* Set this before calling other routines, so that they see |
f676886a | 5689 | the correct value of x_focus_frame. */ |
0f941935 | 5690 | dpyinfo->x_focus_frame = frame; |
6d4238f3 JB |
5691 | |
5692 | if (old_focus && old_focus->auto_lower) | |
f676886a | 5693 | x_lower_frame (old_focus); |
dc6f92b8 JB |
5694 | |
5695 | #if 0 | |
f676886a | 5696 | selected_frame = frame; |
e0c1aef2 KH |
5697 | XSETFRAME (XWINDOW (selected_frame->selected_window)->frame, |
5698 | selected_frame); | |
f676886a JB |
5699 | Fselect_window (selected_frame->selected_window); |
5700 | choose_minibuf_frame (); | |
c118dd06 | 5701 | #endif /* ! 0 */ |
dc6f92b8 | 5702 | |
0f941935 KH |
5703 | if (dpyinfo->x_focus_frame && dpyinfo->x_focus_frame->auto_raise) |
5704 | pending_autoraise_frame = dpyinfo->x_focus_frame; | |
0134a210 RS |
5705 | else |
5706 | pending_autoraise_frame = 0; | |
6d4238f3 | 5707 | } |
dc6f92b8 | 5708 | |
0f941935 | 5709 | x_frame_rehighlight (dpyinfo); |
6d4238f3 JB |
5710 | } |
5711 | ||
37c2c98b RS |
5712 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ |
5713 | ||
5714 | void | |
0f941935 KH |
5715 | x_mouse_leave (dpyinfo) |
5716 | struct x_display_info *dpyinfo; | |
37c2c98b | 5717 | { |
0f941935 | 5718 | x_new_focus_frame (dpyinfo, dpyinfo->x_focus_event_frame); |
37c2c98b | 5719 | } |
6d4238f3 | 5720 | |
f451eb13 JB |
5721 | /* The focus has changed, or we have redirected a frame's focus to |
5722 | another frame (this happens when a frame uses a surrogate | |
06a2c219 | 5723 | mini-buffer frame). Shift the highlight as appropriate. |
0f941935 KH |
5724 | |
5725 | The FRAME argument doesn't necessarily have anything to do with which | |
06a2c219 | 5726 | frame is being highlighted or un-highlighted; we only use it to find |
0f941935 | 5727 | the appropriate X display info. */ |
06a2c219 | 5728 | |
6d4238f3 | 5729 | static void |
0f941935 KH |
5730 | XTframe_rehighlight (frame) |
5731 | struct frame *frame; | |
6d4238f3 | 5732 | { |
0f941935 KH |
5733 | x_frame_rehighlight (FRAME_X_DISPLAY_INFO (frame)); |
5734 | } | |
6d4238f3 | 5735 | |
0f941935 KH |
5736 | static void |
5737 | x_frame_rehighlight (dpyinfo) | |
5738 | struct x_display_info *dpyinfo; | |
5739 | { | |
5740 | struct frame *old_highlight = dpyinfo->x_highlight_frame; | |
5741 | ||
5742 | if (dpyinfo->x_focus_frame) | |
6d4238f3 | 5743 | { |
0f941935 KH |
5744 | dpyinfo->x_highlight_frame |
5745 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))) | |
5746 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame)) | |
5747 | : dpyinfo->x_focus_frame); | |
5748 | if (! FRAME_LIVE_P (dpyinfo->x_highlight_frame)) | |
f451eb13 | 5749 | { |
0f941935 KH |
5750 | FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame) = Qnil; |
5751 | dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame; | |
f451eb13 | 5752 | } |
dc6f92b8 | 5753 | } |
6d4238f3 | 5754 | else |
0f941935 | 5755 | dpyinfo->x_highlight_frame = 0; |
dc6f92b8 | 5756 | |
0f941935 | 5757 | if (dpyinfo->x_highlight_frame != old_highlight) |
6d4238f3 JB |
5758 | { |
5759 | if (old_highlight) | |
f676886a | 5760 | frame_unhighlight (old_highlight); |
0f941935 KH |
5761 | if (dpyinfo->x_highlight_frame) |
5762 | frame_highlight (dpyinfo->x_highlight_frame); | |
6d4238f3 | 5763 | } |
dc6f92b8 | 5764 | } |
06a2c219 GM |
5765 | |
5766 | ||
dc6f92b8 | 5767 | \f |
06a2c219 | 5768 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 5769 | |
28430d3c JB |
5770 | /* Initialize mode_switch_bit and modifier_meaning. */ |
5771 | static void | |
334208b7 RS |
5772 | x_find_modifier_meanings (dpyinfo) |
5773 | struct x_display_info *dpyinfo; | |
28430d3c | 5774 | { |
f689eb05 | 5775 | int min_code, max_code; |
28430d3c JB |
5776 | KeySym *syms; |
5777 | int syms_per_code; | |
5778 | XModifierKeymap *mods; | |
5779 | ||
334208b7 RS |
5780 | dpyinfo->meta_mod_mask = 0; |
5781 | dpyinfo->shift_lock_mask = 0; | |
5782 | dpyinfo->alt_mod_mask = 0; | |
5783 | dpyinfo->super_mod_mask = 0; | |
5784 | dpyinfo->hyper_mod_mask = 0; | |
58769bee | 5785 | |
9658a521 | 5786 | #ifdef HAVE_X11R4 |
334208b7 | 5787 | XDisplayKeycodes (dpyinfo->display, &min_code, &max_code); |
9658a521 | 5788 | #else |
4a60f8c5 RS |
5789 | min_code = dpyinfo->display->min_keycode; |
5790 | max_code = dpyinfo->display->max_keycode; | |
9658a521 JB |
5791 | #endif |
5792 | ||
334208b7 | 5793 | syms = XGetKeyboardMapping (dpyinfo->display, |
28430d3c JB |
5794 | min_code, max_code - min_code + 1, |
5795 | &syms_per_code); | |
334208b7 | 5796 | mods = XGetModifierMapping (dpyinfo->display); |
28430d3c | 5797 | |
58769bee | 5798 | /* Scan the modifier table to see which modifier bits the Meta and |
11edeb03 | 5799 | Alt keysyms are on. */ |
28430d3c | 5800 | { |
06a2c219 | 5801 | int row, col; /* The row and column in the modifier table. */ |
28430d3c JB |
5802 | |
5803 | for (row = 3; row < 8; row++) | |
5804 | for (col = 0; col < mods->max_keypermod; col++) | |
5805 | { | |
0299d313 RS |
5806 | KeyCode code |
5807 | = mods->modifiermap[(row * mods->max_keypermod) + col]; | |
28430d3c | 5808 | |
af92970c KH |
5809 | /* Zeroes are used for filler. Skip them. */ |
5810 | if (code == 0) | |
5811 | continue; | |
5812 | ||
28430d3c JB |
5813 | /* Are any of this keycode's keysyms a meta key? */ |
5814 | { | |
5815 | int code_col; | |
5816 | ||
5817 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
5818 | { | |
f689eb05 | 5819 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 5820 | |
f689eb05 | 5821 | switch (sym) |
28430d3c | 5822 | { |
f689eb05 JB |
5823 | case XK_Meta_L: |
5824 | case XK_Meta_R: | |
334208b7 | 5825 | dpyinfo->meta_mod_mask |= (1 << row); |
28430d3c | 5826 | break; |
f689eb05 JB |
5827 | |
5828 | case XK_Alt_L: | |
5829 | case XK_Alt_R: | |
334208b7 | 5830 | dpyinfo->alt_mod_mask |= (1 << row); |
a3c44b14 RS |
5831 | break; |
5832 | ||
5833 | case XK_Hyper_L: | |
5834 | case XK_Hyper_R: | |
334208b7 | 5835 | dpyinfo->hyper_mod_mask |= (1 << row); |
a3c44b14 RS |
5836 | break; |
5837 | ||
5838 | case XK_Super_L: | |
5839 | case XK_Super_R: | |
334208b7 | 5840 | dpyinfo->super_mod_mask |= (1 << row); |
f689eb05 | 5841 | break; |
11edeb03 JB |
5842 | |
5843 | case XK_Shift_Lock: | |
5844 | /* Ignore this if it's not on the lock modifier. */ | |
5845 | if ((1 << row) == LockMask) | |
334208b7 | 5846 | dpyinfo->shift_lock_mask = LockMask; |
11edeb03 | 5847 | break; |
28430d3c JB |
5848 | } |
5849 | } | |
5850 | } | |
5851 | } | |
5852 | } | |
5853 | ||
f689eb05 | 5854 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
334208b7 | 5855 | if (! dpyinfo->meta_mod_mask) |
a3c44b14 | 5856 | { |
334208b7 RS |
5857 | dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask; |
5858 | dpyinfo->alt_mod_mask = 0; | |
a3c44b14 | 5859 | } |
f689eb05 | 5860 | |
148c4b70 RS |
5861 | /* If some keys are both alt and meta, |
5862 | make them just meta, not alt. */ | |
334208b7 | 5863 | if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask) |
148c4b70 | 5864 | { |
334208b7 | 5865 | dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask; |
148c4b70 | 5866 | } |
58769bee | 5867 | |
28430d3c | 5868 | XFree ((char *) syms); |
f689eb05 | 5869 | XFreeModifiermap (mods); |
28430d3c JB |
5870 | } |
5871 | ||
dfeccd2d JB |
5872 | /* Convert between the modifier bits X uses and the modifier bits |
5873 | Emacs uses. */ | |
06a2c219 | 5874 | |
7c5283e4 | 5875 | static unsigned int |
334208b7 RS |
5876 | x_x_to_emacs_modifiers (dpyinfo, state) |
5877 | struct x_display_info *dpyinfo; | |
dc6f92b8 JB |
5878 | unsigned int state; |
5879 | { | |
334208b7 RS |
5880 | return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0) |
5881 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
5882 | | ((state & dpyinfo->meta_mod_mask) ? meta_modifier : 0) | |
5883 | | ((state & dpyinfo->alt_mod_mask) ? alt_modifier : 0) | |
5884 | | ((state & dpyinfo->super_mod_mask) ? super_modifier : 0) | |
5885 | | ((state & dpyinfo->hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
5886 | } |
5887 | ||
dfeccd2d | 5888 | static unsigned int |
334208b7 RS |
5889 | x_emacs_to_x_modifiers (dpyinfo, state) |
5890 | struct x_display_info *dpyinfo; | |
dfeccd2d JB |
5891 | unsigned int state; |
5892 | { | |
334208b7 RS |
5893 | return ( ((state & alt_modifier) ? dpyinfo->alt_mod_mask : 0) |
5894 | | ((state & super_modifier) ? dpyinfo->super_mod_mask : 0) | |
5895 | | ((state & hyper_modifier) ? dpyinfo->hyper_mod_mask : 0) | |
5896 | | ((state & shift_modifier) ? ShiftMask : 0) | |
5897 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
5898 | | ((state & meta_modifier) ? dpyinfo->meta_mod_mask : 0)); | |
dfeccd2d | 5899 | } |
d047c4eb KH |
5900 | |
5901 | /* Convert a keysym to its name. */ | |
5902 | ||
5903 | char * | |
5904 | x_get_keysym_name (keysym) | |
5905 | KeySym keysym; | |
5906 | { | |
5907 | char *value; | |
5908 | ||
5909 | BLOCK_INPUT; | |
5910 | value = XKeysymToString (keysym); | |
5911 | UNBLOCK_INPUT; | |
5912 | ||
5913 | return value; | |
5914 | } | |
06a2c219 GM |
5915 | |
5916 | ||
e4571a43 JB |
5917 | \f |
5918 | /* Mouse clicks and mouse movement. Rah. */ | |
e4571a43 | 5919 | |
06a2c219 GM |
5920 | /* Given a pixel position (PIX_X, PIX_Y) on frame F, return glyph |
5921 | co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle that the | |
5922 | glyph at X, Y occupies, if BOUNDS != 0. If NOCLIP is non-zero, do | |
5923 | not force the value into range. */ | |
69388238 | 5924 | |
c8dba240 | 5925 | void |
69388238 | 5926 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 5927 | FRAME_PTR f; |
69388238 | 5928 | register int pix_x, pix_y; |
e4571a43 JB |
5929 | register int *x, *y; |
5930 | XRectangle *bounds; | |
69388238 | 5931 | int noclip; |
e4571a43 | 5932 | { |
06a2c219 | 5933 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
69388238 RS |
5934 | even for negative values. */ |
5935 | if (pix_x < 0) | |
7556890b | 5936 | pix_x -= FONT_WIDTH ((f)->output_data.x->font) - 1; |
69388238 | 5937 | if (pix_y < 0) |
7556890b | 5938 | pix_y -= (f)->output_data.x->line_height - 1; |
69388238 | 5939 | |
e4571a43 JB |
5940 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
5941 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
5942 | ||
5943 | if (bounds) | |
5944 | { | |
7556890b RS |
5945 | bounds->width = FONT_WIDTH (f->output_data.x->font); |
5946 | bounds->height = f->output_data.x->line_height; | |
e4571a43 JB |
5947 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
5948 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
5949 | } | |
5950 | ||
69388238 RS |
5951 | if (!noclip) |
5952 | { | |
5953 | if (pix_x < 0) | |
5954 | pix_x = 0; | |
3cbd2e0b RS |
5955 | else if (pix_x > FRAME_WINDOW_WIDTH (f)) |
5956 | pix_x = FRAME_WINDOW_WIDTH (f); | |
69388238 RS |
5957 | |
5958 | if (pix_y < 0) | |
5959 | pix_y = 0; | |
5960 | else if (pix_y > f->height) | |
5961 | pix_y = f->height; | |
5962 | } | |
e4571a43 JB |
5963 | |
5964 | *x = pix_x; | |
5965 | *y = pix_y; | |
5966 | } | |
5967 | ||
06a2c219 GM |
5968 | |
5969 | /* Given HPOS/VPOS in the current matrix of W, return corresponding | |
5970 | frame-relative pixel positions in *FRAME_X and *FRAME_Y. If we | |
5971 | can't tell the positions because W's display is not up to date, | |
5972 | return 0. */ | |
5973 | ||
5974 | int | |
5975 | glyph_to_pixel_coords (w, hpos, vpos, frame_x, frame_y) | |
5976 | struct window *w; | |
5977 | int hpos, vpos; | |
5978 | int *frame_x, *frame_y; | |
2b5c9e71 | 5979 | { |
06a2c219 GM |
5980 | int success_p; |
5981 | ||
5982 | xassert (hpos >= 0 && hpos < w->current_matrix->matrix_w); | |
5983 | xassert (vpos >= 0 && vpos < w->current_matrix->matrix_h); | |
5984 | ||
5985 | if (display_completed) | |
5986 | { | |
5987 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, vpos); | |
5988 | struct glyph *glyph = row->glyphs[TEXT_AREA]; | |
5989 | struct glyph *end = glyph + min (hpos, row->used[TEXT_AREA]); | |
5990 | ||
5991 | *frame_y = row->y; | |
5992 | *frame_x = row->x; | |
5993 | while (glyph < end) | |
5994 | { | |
5995 | *frame_x += glyph->pixel_width; | |
5996 | ++glyph; | |
5997 | } | |
5998 | ||
5999 | success_p = 1; | |
6000 | } | |
6001 | else | |
6002 | { | |
6003 | *frame_y = *frame_x = 0; | |
6004 | success_p = 0; | |
6005 | } | |
6006 | ||
6007 | *frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, *frame_y); | |
6008 | *frame_x = WINDOW_TO_FRAME_PIXEL_X (w, *frame_x); | |
6009 | return success_p; | |
2b5c9e71 RS |
6010 | } |
6011 | ||
06a2c219 | 6012 | |
dc6f92b8 JB |
6013 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
6014 | ||
6015 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 6016 | the mouse. */ |
dc6f92b8 JB |
6017 | |
6018 | static Lisp_Object | |
f451eb13 | 6019 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
6020 | struct input_event *result; |
6021 | XButtonEvent *event; | |
f676886a | 6022 | struct frame *f; |
dc6f92b8 | 6023 | { |
f451eb13 | 6024 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 6025 | otherwise. */ |
f451eb13 | 6026 | result->kind = mouse_click; |
69388238 | 6027 | result->code = event->button - Button1; |
1113d9db | 6028 | result->timestamp = event->time; |
334208b7 RS |
6029 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
6030 | event->state) | |
f689eb05 | 6031 | | (event->type == ButtonRelease |
58769bee | 6032 | ? up_modifier |
f689eb05 | 6033 | : down_modifier)); |
dc6f92b8 | 6034 | |
06a2c219 GM |
6035 | XSETINT (result->x, event->x); |
6036 | XSETINT (result->y, event->y); | |
6037 | XSETFRAME (result->frame_or_window, f); | |
6038 | return Qnil; | |
dc6f92b8 | 6039 | } |
b849c413 | 6040 | |
06a2c219 GM |
6041 | #if 0 /* This function isn't called. --gerd */ |
6042 | ||
b849c413 RS |
6043 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ |
6044 | ||
6045 | static Lisp_Object | |
6046 | construct_menu_click (result, event, f) | |
6047 | struct input_event *result; | |
6048 | XButtonEvent *event; | |
6049 | struct frame *f; | |
6050 | { | |
6051 | /* Make the event type no_event; we'll change that when we decide | |
6052 | otherwise. */ | |
6053 | result->kind = mouse_click; | |
26459b28 | 6054 | result->code = event->button - Button1; |
b849c413 | 6055 | result->timestamp = event->time; |
334208b7 RS |
6056 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
6057 | event->state) | |
b849c413 | 6058 | | (event->type == ButtonRelease |
58769bee | 6059 | ? up_modifier |
b849c413 RS |
6060 | : down_modifier)); |
6061 | ||
e0c1aef2 KH |
6062 | XSETINT (result->x, event->x); |
6063 | XSETINT (result->y, -1); | |
6064 | XSETFRAME (result->frame_or_window, f); | |
b849c413 | 6065 | } |
06a2c219 GM |
6066 | |
6067 | #endif /* 0 */ | |
6068 | ||
69388238 | 6069 | \f |
90e65f07 JB |
6070 | /* Function to report a mouse movement to the mainstream Emacs code. |
6071 | The input handler calls this. | |
6072 | ||
6073 | We have received a mouse movement event, which is given in *event. | |
6074 | If the mouse is over a different glyph than it was last time, tell | |
6075 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
6076 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 6077 | |
06a2c219 GM |
6078 | static XMotionEvent last_mouse_motion_event; |
6079 | static Lisp_Object last_mouse_motion_frame; | |
6080 | ||
90e65f07 | 6081 | static void |
12ba150f | 6082 | note_mouse_movement (frame, event) |
f676886a | 6083 | FRAME_PTR frame; |
90e65f07 | 6084 | XMotionEvent *event; |
90e65f07 | 6085 | { |
e5d77022 | 6086 | last_mouse_movement_time = event->time; |
06a2c219 GM |
6087 | last_mouse_motion_event = *event; |
6088 | XSETFRAME (last_mouse_motion_frame, frame); | |
e5d77022 | 6089 | |
27f338af RS |
6090 | if (event->window != FRAME_X_WINDOW (frame)) |
6091 | { | |
39d8bb4d | 6092 | frame->mouse_moved = 1; |
27f338af | 6093 | last_mouse_scroll_bar = Qnil; |
27f338af | 6094 | note_mouse_highlight (frame, -1, -1); |
27f338af RS |
6095 | } |
6096 | ||
90e65f07 | 6097 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
6098 | else if (event->x < last_mouse_glyph.x |
6099 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
6100 | || event->y < last_mouse_glyph.y | |
6101 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f | 6102 | { |
39d8bb4d | 6103 | frame->mouse_moved = 1; |
ab648270 | 6104 | last_mouse_scroll_bar = Qnil; |
b8009dd1 | 6105 | note_mouse_highlight (frame, event->x, event->y); |
90e65f07 JB |
6106 | } |
6107 | } | |
6108 | ||
bf1c0ba1 | 6109 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
bf1c0ba1 | 6110 | |
06a2c219 GM |
6111 | int disable_mouse_highlight; |
6112 | ||
6113 | ||
6114 | \f | |
6115 | /************************************************************************ | |
6116 | Mouse Face | |
6117 | ************************************************************************/ | |
6118 | ||
6119 | /* Find the glyph under window-relative coordinates X/Y in window W. | |
6120 | Consider only glyphs from buffer text, i.e. no glyphs from overlay | |
6121 | strings. Return in *HPOS and *VPOS the row and column number of | |
6122 | the glyph found. Return in *AREA the glyph area containing X. | |
6123 | Value is a pointer to the glyph found or null if X/Y is not on | |
6124 | text, or we can't tell because W's current matrix is not up to | |
6125 | date. */ | |
6126 | ||
6127 | static struct glyph * | |
6128 | x_y_to_hpos_vpos (w, x, y, hpos, vpos, area) | |
6129 | struct window *w; | |
6130 | int x, y; | |
6131 | int *hpos, *vpos, *area; | |
6132 | { | |
6133 | struct glyph *glyph, *end; | |
6134 | struct glyph_row *row; | |
6135 | int x0, i, left_area_width; | |
6136 | ||
6137 | /* Find row containing Y. Give up if some row is not enabled. */ | |
6138 | for (i = 0; i < w->current_matrix->nrows; ++i) | |
6139 | { | |
6140 | row = MATRIX_ROW (w->current_matrix, i); | |
6141 | if (!row->enabled_p) | |
6142 | return NULL; | |
6143 | if (y >= row->y && y < MATRIX_ROW_BOTTOM_Y (row)) | |
6144 | break; | |
6145 | } | |
6146 | ||
6147 | *vpos = i; | |
6148 | *hpos = 0; | |
6149 | ||
6150 | /* Give up if Y is not in the window. */ | |
6151 | if (i == w->current_matrix->nrows) | |
6152 | return NULL; | |
6153 | ||
6154 | /* Get the glyph area containing X. */ | |
6155 | if (w->pseudo_window_p) | |
6156 | { | |
6157 | *area = TEXT_AREA; | |
6158 | x0 = 0; | |
6159 | } | |
6160 | else | |
6161 | { | |
6162 | left_area_width = window_box_width (w, LEFT_MARGIN_AREA); | |
6163 | if (x < left_area_width) | |
6164 | { | |
6165 | *area = LEFT_MARGIN_AREA; | |
6166 | x0 = 0; | |
6167 | } | |
6168 | else if (x < left_area_width + window_box_width (w, TEXT_AREA)) | |
6169 | { | |
6170 | *area = TEXT_AREA; | |
6171 | x0 = row->x + left_area_width; | |
6172 | } | |
6173 | else | |
6174 | { | |
6175 | *area = RIGHT_MARGIN_AREA; | |
6176 | x0 = left_area_width + window_box_width (w, TEXT_AREA); | |
6177 | } | |
6178 | } | |
6179 | ||
6180 | /* Find glyph containing X. */ | |
6181 | glyph = row->glyphs[*area]; | |
6182 | end = glyph + row->used[*area]; | |
6183 | while (glyph < end) | |
6184 | { | |
6185 | if (x < x0 + glyph->pixel_width) | |
6186 | { | |
6187 | if (w->pseudo_window_p) | |
6188 | break; | |
6189 | else if (BUFFERP (glyph->object)) | |
6190 | break; | |
6191 | } | |
6192 | ||
6193 | x0 += glyph->pixel_width; | |
6194 | ++glyph; | |
6195 | } | |
6196 | ||
6197 | if (glyph == end) | |
6198 | return NULL; | |
6199 | ||
6200 | *hpos = glyph - row->glyphs[*area]; | |
6201 | return glyph; | |
6202 | } | |
6203 | ||
6204 | ||
6205 | /* Convert frame-relative x/y to coordinates relative to window W. | |
6206 | Takes pseudo-windows into account. */ | |
6207 | ||
6208 | static void | |
6209 | frame_to_window_pixel_xy (w, x, y) | |
6210 | struct window *w; | |
6211 | int *x, *y; | |
6212 | { | |
6213 | if (w->pseudo_window_p) | |
6214 | { | |
6215 | /* A pseudo-window is always full-width, and starts at the | |
6216 | left edge of the frame, plus a frame border. */ | |
6217 | struct frame *f = XFRAME (w->frame); | |
6218 | *x -= FRAME_INTERNAL_BORDER_WIDTH_SAFE (f); | |
6219 | *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y); | |
6220 | } | |
6221 | else | |
6222 | { | |
6223 | *x = FRAME_TO_WINDOW_PIXEL_X (w, *x); | |
6224 | *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y); | |
6225 | } | |
6226 | } | |
6227 | ||
6228 | ||
6229 | /* Take proper action when mouse has moved to the mode or top line of | |
6230 | window W, x-position X. MODE_LINE_P non-zero means mouse is on the | |
6231 | mode line. X is relative to the start of the text display area of | |
6232 | W, so the width of bitmap areas and scroll bars must be subtracted | |
6233 | to get a position relative to the start of the mode line. */ | |
6234 | ||
6235 | static void | |
6236 | note_mode_line_highlight (w, x, mode_line_p) | |
6237 | struct window *w; | |
6238 | int x, mode_line_p; | |
6239 | { | |
6240 | struct frame *f = XFRAME (w->frame); | |
6241 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
6242 | Cursor cursor = dpyinfo->vertical_scroll_bar_cursor; | |
6243 | struct glyph_row *row; | |
6244 | ||
6245 | if (mode_line_p) | |
6246 | row = MATRIX_MODE_LINE_ROW (w->current_matrix); | |
6247 | else | |
045dee35 | 6248 | row = MATRIX_HEADER_LINE_ROW (w->current_matrix); |
06a2c219 GM |
6249 | |
6250 | if (row->enabled_p) | |
6251 | { | |
6252 | struct glyph *glyph, *end; | |
6253 | Lisp_Object help, map; | |
6254 | int x0; | |
6255 | ||
6256 | /* Find the glyph under X. */ | |
6257 | glyph = row->glyphs[TEXT_AREA]; | |
6258 | end = glyph + row->used[TEXT_AREA]; | |
6259 | x0 = - (FRAME_LEFT_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f) | |
110859fc | 6260 | + FRAME_X_LEFT_FLAGS_AREA_WIDTH (f)); |
06a2c219 GM |
6261 | while (glyph < end |
6262 | && x >= x0 + glyph->pixel_width) | |
6263 | { | |
6264 | x0 += glyph->pixel_width; | |
6265 | ++glyph; | |
6266 | } | |
6267 | ||
6268 | if (glyph < end | |
6269 | && STRINGP (glyph->object) | |
6270 | && XSTRING (glyph->object)->intervals | |
6271 | && glyph->charpos >= 0 | |
6272 | && glyph->charpos < XSTRING (glyph->object)->size) | |
6273 | { | |
6274 | /* If we're on a string with `help-echo' text property, | |
6275 | arrange for the help to be displayed. This is done by | |
6276 | setting the global variable help_echo to the help string. */ | |
6277 | help = Fget_text_property (make_number (glyph->charpos), | |
6278 | Qhelp_echo, glyph->object); | |
6279 | if (STRINGP (help)) | |
6280 | help_echo = help; | |
6281 | ||
6282 | /* Change the mouse pointer according to what is under X/Y. */ | |
6283 | map = Fget_text_property (make_number (glyph->charpos), | |
6284 | Qlocal_map, glyph->object); | |
6285 | if (!NILP (Fkeymapp (map))) | |
6286 | cursor = f->output_data.x->nontext_cursor; | |
6287 | } | |
6288 | } | |
6289 | ||
6290 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor); | |
6291 | } | |
6292 | ||
6293 | ||
6294 | /* Take proper action when the mouse has moved to position X, Y on | |
6295 | frame F as regards highlighting characters that have mouse-face | |
6296 | properties. Also de-highlighting chars where the mouse was before. | |
27f338af | 6297 | X and Y can be negative or out of range. */ |
b8009dd1 RS |
6298 | |
6299 | static void | |
6300 | note_mouse_highlight (f, x, y) | |
06a2c219 | 6301 | struct frame *f; |
c32cdd9a | 6302 | int x, y; |
b8009dd1 | 6303 | { |
06a2c219 GM |
6304 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
6305 | int portion; | |
b8009dd1 RS |
6306 | Lisp_Object window; |
6307 | struct window *w; | |
6308 | ||
06a2c219 GM |
6309 | /* When a menu is active, don't highlight because this looks odd. */ |
6310 | #ifdef USE_X_TOOLKIT | |
6311 | if (popup_activated ()) | |
6312 | return; | |
6313 | #endif | |
6314 | ||
04fff9c0 GM |
6315 | if (disable_mouse_highlight |
6316 | || !f->glyphs_initialized_p) | |
bf1c0ba1 RS |
6317 | return; |
6318 | ||
06a2c219 GM |
6319 | dpyinfo->mouse_face_mouse_x = x; |
6320 | dpyinfo->mouse_face_mouse_y = y; | |
6321 | dpyinfo->mouse_face_mouse_frame = f; | |
b8009dd1 | 6322 | |
06a2c219 | 6323 | if (dpyinfo->mouse_face_defer) |
b8009dd1 RS |
6324 | return; |
6325 | ||
514e4681 RS |
6326 | if (gc_in_progress) |
6327 | { | |
06a2c219 | 6328 | dpyinfo->mouse_face_deferred_gc = 1; |
514e4681 RS |
6329 | return; |
6330 | } | |
6331 | ||
b8009dd1 | 6332 | /* Which window is that in? */ |
06a2c219 | 6333 | window = window_from_coordinates (f, x, y, &portion, 1); |
b8009dd1 RS |
6334 | |
6335 | /* If we were displaying active text in another window, clear that. */ | |
06a2c219 GM |
6336 | if (! EQ (window, dpyinfo->mouse_face_window)) |
6337 | clear_mouse_face (dpyinfo); | |
6338 | ||
6339 | /* Not on a window -> return. */ | |
6340 | if (!WINDOWP (window)) | |
6341 | return; | |
6342 | ||
6343 | /* Convert to window-relative pixel coordinates. */ | |
6344 | w = XWINDOW (window); | |
6345 | frame_to_window_pixel_xy (w, &x, &y); | |
6346 | ||
9ea173e8 | 6347 | /* Handle tool-bar window differently since it doesn't display a |
06a2c219 | 6348 | buffer. */ |
9ea173e8 | 6349 | if (EQ (window, f->tool_bar_window)) |
06a2c219 | 6350 | { |
9ea173e8 | 6351 | note_tool_bar_highlight (f, x, y); |
06a2c219 GM |
6352 | return; |
6353 | } | |
6354 | ||
6355 | if (portion == 1 || portion == 3) | |
6356 | { | |
6357 | /* Mouse is on the mode or top line. */ | |
6358 | note_mode_line_highlight (w, x, portion == 1); | |
6359 | return; | |
6360 | } | |
6361 | else | |
6362 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
6363 | f->output_data.x->text_cursor); | |
b8009dd1 | 6364 | |
0cdd0c9f RS |
6365 | /* Are we in a window whose display is up to date? |
6366 | And verify the buffer's text has not changed. */ | |
06a2c219 GM |
6367 | if (/* Within text portion of the window. */ |
6368 | portion == 0 | |
0cdd0c9f | 6369 | && EQ (w->window_end_valid, w->buffer) |
26459b28 KH |
6370 | && XFASTINT (w->last_modified) == BUF_MODIFF (XBUFFER (w->buffer)) |
6371 | && (XFASTINT (w->last_overlay_modified) | |
6372 | == BUF_OVERLAY_MODIFF (XBUFFER (w->buffer)))) | |
b8009dd1 | 6373 | { |
06a2c219 GM |
6374 | int hpos, vpos, pos, i, area; |
6375 | struct glyph *glyph; | |
b8009dd1 | 6376 | |
06a2c219 GM |
6377 | /* Find the glyph under X/Y. */ |
6378 | glyph = x_y_to_hpos_vpos (w, x, y, &hpos, &vpos, &area); | |
6379 | ||
6380 | /* Clear mouse face if X/Y not over text. */ | |
6381 | if (glyph == NULL | |
6382 | || area != TEXT_AREA | |
6383 | || !MATRIX_ROW (w->current_matrix, vpos)->displays_text_p) | |
b8009dd1 | 6384 | { |
06a2c219 GM |
6385 | clear_mouse_face (dpyinfo); |
6386 | return; | |
6387 | } | |
6388 | ||
6389 | pos = glyph->charpos; | |
6390 | xassert (w->pseudo_window_p || BUFFERP (glyph->object)); | |
6391 | ||
6392 | /* Check for mouse-face and help-echo. */ | |
6393 | { | |
6394 | Lisp_Object mouse_face, overlay, position; | |
6395 | Lisp_Object *overlay_vec; | |
6396 | int len, noverlays; | |
6397 | struct buffer *obuf; | |
6398 | int obegv, ozv; | |
6399 | ||
6400 | /* If we get an out-of-range value, return now; avoid an error. */ | |
6401 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
6402 | return; | |
6403 | ||
6404 | /* Make the window's buffer temporarily current for | |
6405 | overlays_at and compute_char_face. */ | |
6406 | obuf = current_buffer; | |
6407 | current_buffer = XBUFFER (w->buffer); | |
6408 | obegv = BEGV; | |
6409 | ozv = ZV; | |
6410 | BEGV = BEG; | |
6411 | ZV = Z; | |
6412 | ||
6413 | /* Is this char mouse-active or does it have help-echo? */ | |
6414 | XSETINT (position, pos); | |
6415 | ||
6416 | /* Put all the overlays we want in a vector in overlay_vec. | |
6417 | Store the length in len. If there are more than 10, make | |
6418 | enough space for all, and try again. */ | |
6419 | len = 10; | |
6420 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
6421 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL); | |
6422 | if (noverlays > len) | |
6423 | { | |
6424 | len = noverlays; | |
6425 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
6426 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL); | |
6427 | } | |
6428 | ||
6429 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
6430 | ||
6431 | /* Check mouse-face highlighting. */ | |
6432 | if (! (EQ (window, dpyinfo->mouse_face_window) | |
6433 | && vpos >= dpyinfo->mouse_face_beg_row | |
6434 | && vpos <= dpyinfo->mouse_face_end_row | |
6435 | && (vpos > dpyinfo->mouse_face_beg_row | |
6436 | || hpos >= dpyinfo->mouse_face_beg_col) | |
6437 | && (vpos < dpyinfo->mouse_face_end_row | |
6438 | || hpos < dpyinfo->mouse_face_end_col | |
6439 | || dpyinfo->mouse_face_past_end))) | |
6440 | { | |
6441 | /* Clear the display of the old active region, if any. */ | |
6442 | clear_mouse_face (dpyinfo); | |
6443 | ||
6444 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
6445 | overlay = Qnil; | |
6446 | for (i = 0; i < noverlays; i++) | |
6447 | { | |
6448 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
6449 | if (!NILP (mouse_face)) | |
6450 | { | |
6451 | overlay = overlay_vec[i]; | |
6452 | break; | |
6453 | } | |
6454 | } | |
6455 | ||
6456 | /* If no overlay applies, get a text property. */ | |
6457 | if (NILP (overlay)) | |
6458 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
6459 | ||
6460 | /* Handle the overlay case. */ | |
6461 | if (! NILP (overlay)) | |
6462 | { | |
6463 | /* Find the range of text around this char that | |
6464 | should be active. */ | |
6465 | Lisp_Object before, after; | |
6466 | int ignore; | |
6467 | ||
6468 | before = Foverlay_start (overlay); | |
6469 | after = Foverlay_end (overlay); | |
6470 | /* Record this as the current active region. */ | |
6471 | fast_find_position (w, XFASTINT (before), | |
6472 | &dpyinfo->mouse_face_beg_col, | |
6473 | &dpyinfo->mouse_face_beg_row, | |
6474 | &dpyinfo->mouse_face_beg_x, | |
6475 | &dpyinfo->mouse_face_beg_y); | |
6476 | dpyinfo->mouse_face_past_end | |
6477 | = !fast_find_position (w, XFASTINT (after), | |
6478 | &dpyinfo->mouse_face_end_col, | |
6479 | &dpyinfo->mouse_face_end_row, | |
6480 | &dpyinfo->mouse_face_end_x, | |
6481 | &dpyinfo->mouse_face_end_y); | |
6482 | dpyinfo->mouse_face_window = window; | |
6483 | dpyinfo->mouse_face_face_id | |
6484 | = face_at_buffer_position (w, pos, 0, 0, | |
6485 | &ignore, pos + 1, 1); | |
6486 | ||
6487 | /* Display it as active. */ | |
6488 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
6489 | } | |
6490 | /* Handle the text property case. */ | |
6491 | else if (! NILP (mouse_face)) | |
6492 | { | |
6493 | /* Find the range of text around this char that | |
6494 | should be active. */ | |
6495 | Lisp_Object before, after, beginning, end; | |
6496 | int ignore; | |
6497 | ||
6498 | beginning = Fmarker_position (w->start); | |
6499 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) | |
6500 | - XFASTINT (w->window_end_pos))); | |
6501 | before | |
6502 | = Fprevious_single_property_change (make_number (pos + 1), | |
6503 | Qmouse_face, | |
6504 | w->buffer, beginning); | |
6505 | after | |
6506 | = Fnext_single_property_change (position, Qmouse_face, | |
6507 | w->buffer, end); | |
6508 | /* Record this as the current active region. */ | |
6509 | fast_find_position (w, XFASTINT (before), | |
6510 | &dpyinfo->mouse_face_beg_col, | |
6511 | &dpyinfo->mouse_face_beg_row, | |
6512 | &dpyinfo->mouse_face_beg_x, | |
6513 | &dpyinfo->mouse_face_beg_y); | |
6514 | dpyinfo->mouse_face_past_end | |
6515 | = !fast_find_position (w, XFASTINT (after), | |
6516 | &dpyinfo->mouse_face_end_col, | |
6517 | &dpyinfo->mouse_face_end_row, | |
6518 | &dpyinfo->mouse_face_end_x, | |
6519 | &dpyinfo->mouse_face_end_y); | |
6520 | dpyinfo->mouse_face_window = window; | |
6521 | dpyinfo->mouse_face_face_id | |
6522 | = face_at_buffer_position (w, pos, 0, 0, | |
6523 | &ignore, pos + 1, 1); | |
6524 | ||
6525 | /* Display it as active. */ | |
6526 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
6527 | } | |
6528 | } | |
6529 | ||
6530 | /* Look for a `help-echo' property. */ | |
6531 | { | |
6532 | Lisp_Object help; | |
6533 | ||
6534 | /* Check overlays first. */ | |
6535 | help = Qnil; | |
6536 | for (i = 0; i < noverlays && !STRINGP (help); ++i) | |
6537 | help = Foverlay_get (overlay_vec[i], Qhelp_echo); | |
6538 | ||
6539 | /* Try text properties. */ | |
6540 | if (!STRINGP (help) | |
6541 | && ((STRINGP (glyph->object) | |
6542 | && glyph->charpos >= 0 | |
6543 | && glyph->charpos < XSTRING (glyph->object)->size) | |
6544 | || (BUFFERP (glyph->object) | |
6545 | && glyph->charpos >= BEGV | |
6546 | && glyph->charpos < ZV))) | |
6547 | help = Fget_text_property (make_number (glyph->charpos), | |
6548 | Qhelp_echo, glyph->object); | |
6549 | ||
6550 | if (STRINGP (help)) | |
6551 | help_echo = help; | |
6552 | } | |
6553 | ||
6554 | BEGV = obegv; | |
6555 | ZV = ozv; | |
6556 | current_buffer = obuf; | |
6557 | } | |
6558 | } | |
6559 | } | |
6560 | ||
6561 | static void | |
6562 | redo_mouse_highlight () | |
6563 | { | |
6564 | if (!NILP (last_mouse_motion_frame) | |
6565 | && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame))) | |
6566 | note_mouse_highlight (XFRAME (last_mouse_motion_frame), | |
6567 | last_mouse_motion_event.x, | |
6568 | last_mouse_motion_event.y); | |
6569 | } | |
6570 | ||
6571 | ||
6572 | \f | |
6573 | /*********************************************************************** | |
9ea173e8 | 6574 | Tool-bars |
06a2c219 GM |
6575 | ***********************************************************************/ |
6576 | ||
9ea173e8 GM |
6577 | static int x_tool_bar_item P_ ((struct frame *, int, int, |
6578 | struct glyph **, int *, int *, int *)); | |
06a2c219 | 6579 | |
9ea173e8 | 6580 | /* Tool-bar item index of the item on which a mouse button was pressed |
06a2c219 GM |
6581 | or -1. */ |
6582 | ||
9ea173e8 | 6583 | static int last_tool_bar_item; |
06a2c219 GM |
6584 | |
6585 | ||
9ea173e8 GM |
6586 | /* Get information about the tool-bar item at position X/Y on frame F. |
6587 | Return in *GLYPH a pointer to the glyph of the tool-bar item in | |
6588 | the current matrix of the tool-bar window of F, or NULL if not | |
6589 | on a tool-bar item. Return in *PROP_IDX the index of the tool-bar | |
6590 | item in F->current_tool_bar_items. Value is | |
06a2c219 | 6591 | |
9ea173e8 | 6592 | -1 if X/Y is not on a tool-bar item |
06a2c219 GM |
6593 | 0 if X/Y is on the same item that was highlighted before. |
6594 | 1 otherwise. */ | |
6595 | ||
6596 | static int | |
9ea173e8 | 6597 | x_tool_bar_item (f, x, y, glyph, hpos, vpos, prop_idx) |
06a2c219 GM |
6598 | struct frame *f; |
6599 | int x, y; | |
6600 | struct glyph **glyph; | |
6601 | int *hpos, *vpos, *prop_idx; | |
6602 | { | |
6603 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
9ea173e8 | 6604 | struct window *w = XWINDOW (f->tool_bar_window); |
06a2c219 GM |
6605 | int area; |
6606 | ||
6607 | /* Find the glyph under X/Y. */ | |
6608 | *glyph = x_y_to_hpos_vpos (w, x, y, hpos, vpos, &area); | |
6609 | if (*glyph == NULL) | |
6610 | return -1; | |
6611 | ||
9ea173e8 GM |
6612 | /* Get the start of this tool-bar item's properties in |
6613 | f->current_tool_bar_items. */ | |
6614 | if (!tool_bar_item_info (f, *glyph, prop_idx)) | |
06a2c219 GM |
6615 | return -1; |
6616 | ||
6617 | /* Is mouse on the highlighted item? */ | |
9ea173e8 | 6618 | if (EQ (f->tool_bar_window, dpyinfo->mouse_face_window) |
06a2c219 GM |
6619 | && *vpos >= dpyinfo->mouse_face_beg_row |
6620 | && *vpos <= dpyinfo->mouse_face_end_row | |
6621 | && (*vpos > dpyinfo->mouse_face_beg_row | |
6622 | || *hpos >= dpyinfo->mouse_face_beg_col) | |
6623 | && (*vpos < dpyinfo->mouse_face_end_row | |
6624 | || *hpos < dpyinfo->mouse_face_end_col | |
6625 | || dpyinfo->mouse_face_past_end)) | |
6626 | return 0; | |
6627 | ||
6628 | return 1; | |
6629 | } | |
6630 | ||
6631 | ||
9ea173e8 | 6632 | /* Handle mouse button event on the tool-bar of frame F, at |
06a2c219 GM |
6633 | frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress |
6634 | or ButtonRelase. */ | |
6635 | ||
6636 | static void | |
9ea173e8 | 6637 | x_handle_tool_bar_click (f, button_event) |
06a2c219 GM |
6638 | struct frame *f; |
6639 | XButtonEvent *button_event; | |
6640 | { | |
6641 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
9ea173e8 | 6642 | struct window *w = XWINDOW (f->tool_bar_window); |
06a2c219 GM |
6643 | int hpos, vpos, prop_idx; |
6644 | struct glyph *glyph; | |
6645 | Lisp_Object enabled_p; | |
6646 | int x = button_event->x; | |
6647 | int y = button_event->y; | |
6648 | ||
9ea173e8 | 6649 | /* If not on the highlighted tool-bar item, return. */ |
06a2c219 | 6650 | frame_to_window_pixel_xy (w, &x, &y); |
9ea173e8 | 6651 | if (x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx) != 0) |
06a2c219 GM |
6652 | return; |
6653 | ||
6654 | /* If item is disabled, do nothing. */ | |
9ea173e8 GM |
6655 | enabled_p = (XVECTOR (f->current_tool_bar_items) |
6656 | ->contents[prop_idx + TOOL_BAR_ITEM_ENABLED_P]); | |
06a2c219 GM |
6657 | if (NILP (enabled_p)) |
6658 | return; | |
6659 | ||
6660 | if (button_event->type == ButtonPress) | |
6661 | { | |
6662 | /* Show item in pressed state. */ | |
6663 | show_mouse_face (dpyinfo, DRAW_IMAGE_SUNKEN); | |
6664 | dpyinfo->mouse_face_image_state = DRAW_IMAGE_SUNKEN; | |
9ea173e8 | 6665 | last_tool_bar_item = prop_idx; |
06a2c219 GM |
6666 | } |
6667 | else | |
6668 | { | |
6669 | Lisp_Object key, frame; | |
6670 | struct input_event event; | |
6671 | ||
6672 | /* Show item in released state. */ | |
6673 | show_mouse_face (dpyinfo, DRAW_IMAGE_RAISED); | |
6674 | dpyinfo->mouse_face_image_state = DRAW_IMAGE_RAISED; | |
6675 | ||
9ea173e8 GM |
6676 | key = (XVECTOR (f->current_tool_bar_items) |
6677 | ->contents[prop_idx + TOOL_BAR_ITEM_KEY]); | |
06a2c219 GM |
6678 | |
6679 | XSETFRAME (frame, f); | |
9ea173e8 GM |
6680 | event.kind = TOOL_BAR_EVENT; |
6681 | event.frame_or_window = Fcons (frame, Fcons (Qtool_bar, Qnil)); | |
06a2c219 GM |
6682 | kbd_buffer_store_event (&event); |
6683 | ||
9ea173e8 | 6684 | event.kind = TOOL_BAR_EVENT; |
06a2c219 GM |
6685 | event.frame_or_window = Fcons (frame, key); |
6686 | event.modifiers = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
6687 | button_event->state); | |
6688 | kbd_buffer_store_event (&event); | |
9ea173e8 | 6689 | last_tool_bar_item = -1; |
06a2c219 GM |
6690 | } |
6691 | } | |
6692 | ||
6693 | ||
9ea173e8 GM |
6694 | /* Possibly highlight a tool-bar item on frame F when mouse moves to |
6695 | tool-bar window-relative coordinates X/Y. Called from | |
06a2c219 GM |
6696 | note_mouse_highlight. */ |
6697 | ||
6698 | static void | |
9ea173e8 | 6699 | note_tool_bar_highlight (f, x, y) |
06a2c219 GM |
6700 | struct frame *f; |
6701 | int x, y; | |
6702 | { | |
9ea173e8 | 6703 | Lisp_Object window = f->tool_bar_window; |
06a2c219 GM |
6704 | struct window *w = XWINDOW (window); |
6705 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
6706 | int hpos, vpos; | |
6707 | struct glyph *glyph; | |
6708 | struct glyph_row *row; | |
5c187dee | 6709 | int i; |
06a2c219 GM |
6710 | Lisp_Object enabled_p; |
6711 | int prop_idx; | |
6712 | enum draw_glyphs_face draw = DRAW_IMAGE_RAISED; | |
5c187dee | 6713 | int mouse_down_p, rc; |
06a2c219 GM |
6714 | |
6715 | /* Function note_mouse_highlight is called with negative x(y | |
6716 | values when mouse moves outside of the frame. */ | |
6717 | if (x <= 0 || y <= 0) | |
6718 | { | |
6719 | clear_mouse_face (dpyinfo); | |
6720 | return; | |
6721 | } | |
6722 | ||
9ea173e8 | 6723 | rc = x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx); |
06a2c219 GM |
6724 | if (rc < 0) |
6725 | { | |
9ea173e8 | 6726 | /* Not on tool-bar item. */ |
06a2c219 GM |
6727 | clear_mouse_face (dpyinfo); |
6728 | return; | |
6729 | } | |
6730 | else if (rc == 0) | |
9ea173e8 | 6731 | /* On same tool-bar item as before. */ |
06a2c219 | 6732 | goto set_help_echo; |
b8009dd1 | 6733 | |
06a2c219 GM |
6734 | clear_mouse_face (dpyinfo); |
6735 | ||
9ea173e8 | 6736 | /* Mouse is down, but on different tool-bar item? */ |
06a2c219 GM |
6737 | mouse_down_p = (dpyinfo->grabbed |
6738 | && f == last_mouse_frame | |
6739 | && FRAME_LIVE_P (f)); | |
6740 | if (mouse_down_p | |
9ea173e8 | 6741 | && last_tool_bar_item != prop_idx) |
06a2c219 GM |
6742 | return; |
6743 | ||
6744 | dpyinfo->mouse_face_image_state = DRAW_NORMAL_TEXT; | |
6745 | draw = mouse_down_p ? DRAW_IMAGE_SUNKEN : DRAW_IMAGE_RAISED; | |
6746 | ||
9ea173e8 GM |
6747 | /* If tool-bar item is not enabled, don't highlight it. */ |
6748 | enabled_p = (XVECTOR (f->current_tool_bar_items) | |
6749 | ->contents[prop_idx + TOOL_BAR_ITEM_ENABLED_P]); | |
06a2c219 GM |
6750 | if (!NILP (enabled_p)) |
6751 | { | |
6752 | /* Compute the x-position of the glyph. In front and past the | |
6753 | image is a space. We include this is the highlighted area. */ | |
6754 | row = MATRIX_ROW (w->current_matrix, vpos); | |
6755 | for (i = x = 0; i < hpos; ++i) | |
6756 | x += row->glyphs[TEXT_AREA][i].pixel_width; | |
6757 | ||
6758 | /* Record this as the current active region. */ | |
6759 | dpyinfo->mouse_face_beg_col = hpos; | |
6760 | dpyinfo->mouse_face_beg_row = vpos; | |
6761 | dpyinfo->mouse_face_beg_x = x; | |
6762 | dpyinfo->mouse_face_beg_y = row->y; | |
6763 | dpyinfo->mouse_face_past_end = 0; | |
6764 | ||
6765 | dpyinfo->mouse_face_end_col = hpos + 1; | |
6766 | dpyinfo->mouse_face_end_row = vpos; | |
6767 | dpyinfo->mouse_face_end_x = x + glyph->pixel_width; | |
6768 | dpyinfo->mouse_face_end_y = row->y; | |
6769 | dpyinfo->mouse_face_window = window; | |
9ea173e8 | 6770 | dpyinfo->mouse_face_face_id = TOOL_BAR_FACE_ID; |
06a2c219 GM |
6771 | |
6772 | /* Display it as active. */ | |
6773 | show_mouse_face (dpyinfo, draw); | |
6774 | dpyinfo->mouse_face_image_state = draw; | |
b8009dd1 | 6775 | } |
06a2c219 GM |
6776 | |
6777 | set_help_echo: | |
6778 | ||
9ea173e8 | 6779 | /* Set help_echo to a help string.to display for this tool-bar item. |
06a2c219 | 6780 | XTread_socket does the rest. */ |
9ea173e8 GM |
6781 | help_echo = (XVECTOR (f->current_tool_bar_items) |
6782 | ->contents[prop_idx + TOOL_BAR_ITEM_HELP]); | |
06a2c219 | 6783 | if (!STRINGP (help_echo)) |
9ea173e8 GM |
6784 | help_echo = (XVECTOR (f->current_tool_bar_items) |
6785 | ->contents[prop_idx + TOOL_BAR_ITEM_CAPTION]); | |
b8009dd1 | 6786 | } |
4d73d038 | 6787 | |
06a2c219 GM |
6788 | |
6789 | \f | |
6790 | /* Find the glyph matrix position of buffer position POS in window W. | |
6791 | *HPOS, *VPOS, *X, and *Y are set to the positions found. W's | |
6792 | current glyphs must be up to date. If POS is above window start | |
6793 | return (0, 0, 0, 0). If POS is after end of W, return end of | |
6794 | last line in W. */ | |
b8009dd1 RS |
6795 | |
6796 | static int | |
06a2c219 GM |
6797 | fast_find_position (w, pos, hpos, vpos, x, y) |
6798 | struct window *w; | |
b8009dd1 | 6799 | int pos; |
06a2c219 | 6800 | int *hpos, *vpos, *x, *y; |
b8009dd1 | 6801 | { |
b8009dd1 | 6802 | int i; |
bf1c0ba1 | 6803 | int lastcol; |
06a2c219 GM |
6804 | int maybe_next_line_p = 0; |
6805 | int line_start_position; | |
6806 | int yb = window_text_bottom_y (w); | |
6807 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, 0); | |
6808 | struct glyph_row *best_row = row; | |
6809 | int row_vpos = 0, best_row_vpos = 0; | |
6810 | int current_x; | |
6811 | ||
6812 | while (row->y < yb) | |
b8009dd1 | 6813 | { |
06a2c219 GM |
6814 | if (row->used[TEXT_AREA]) |
6815 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
6816 | else | |
6817 | line_start_position = 0; | |
6818 | ||
6819 | if (line_start_position > pos) | |
b8009dd1 | 6820 | break; |
77b68646 RS |
6821 | /* If the position sought is the end of the buffer, |
6822 | don't include the blank lines at the bottom of the window. */ | |
06a2c219 GM |
6823 | else if (line_start_position == pos |
6824 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
77b68646 | 6825 | { |
06a2c219 | 6826 | maybe_next_line_p = 1; |
77b68646 RS |
6827 | break; |
6828 | } | |
06a2c219 GM |
6829 | else if (line_start_position > 0) |
6830 | { | |
6831 | best_row = row; | |
6832 | best_row_vpos = row_vpos; | |
6833 | } | |
4b0bb6f3 GM |
6834 | |
6835 | if (row->y + row->height >= yb) | |
6836 | break; | |
06a2c219 GM |
6837 | |
6838 | ++row; | |
6839 | ++row_vpos; | |
b8009dd1 | 6840 | } |
06a2c219 GM |
6841 | |
6842 | /* Find the right column within BEST_ROW. */ | |
6843 | lastcol = 0; | |
6844 | current_x = best_row->x; | |
6845 | for (i = 0; i < best_row->used[TEXT_AREA]; i++) | |
bf1c0ba1 | 6846 | { |
06a2c219 GM |
6847 | struct glyph *glyph = best_row->glyphs[TEXT_AREA] + i; |
6848 | int charpos; | |
6849 | ||
6850 | charpos = glyph->charpos; | |
6851 | if (charpos == pos) | |
bf1c0ba1 | 6852 | { |
06a2c219 GM |
6853 | *hpos = i; |
6854 | *vpos = best_row_vpos; | |
6855 | *x = current_x; | |
6856 | *y = best_row->y; | |
bf1c0ba1 RS |
6857 | return 1; |
6858 | } | |
06a2c219 | 6859 | else if (charpos > pos) |
4d73d038 | 6860 | break; |
06a2c219 GM |
6861 | else if (charpos > 0) |
6862 | lastcol = i; | |
6863 | ||
6864 | current_x += glyph->pixel_width; | |
bf1c0ba1 | 6865 | } |
b8009dd1 | 6866 | |
77b68646 RS |
6867 | /* If we're looking for the end of the buffer, |
6868 | and we didn't find it in the line we scanned, | |
6869 | use the start of the following line. */ | |
06a2c219 | 6870 | if (maybe_next_line_p) |
77b68646 | 6871 | { |
06a2c219 GM |
6872 | ++best_row; |
6873 | ++best_row_vpos; | |
6874 | lastcol = 0; | |
6875 | current_x = best_row->x; | |
77b68646 RS |
6876 | } |
6877 | ||
06a2c219 GM |
6878 | *vpos = best_row_vpos; |
6879 | *hpos = lastcol + 1; | |
6880 | *x = current_x; | |
6881 | *y = best_row->y; | |
b8009dd1 RS |
6882 | return 0; |
6883 | } | |
6884 | ||
06a2c219 | 6885 | |
b8009dd1 RS |
6886 | /* Display the active region described by mouse_face_* |
6887 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
6888 | ||
6889 | static void | |
06a2c219 | 6890 | show_mouse_face (dpyinfo, draw) |
7a13e894 | 6891 | struct x_display_info *dpyinfo; |
06a2c219 | 6892 | enum draw_glyphs_face draw; |
b8009dd1 | 6893 | { |
7a13e894 | 6894 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); |
06a2c219 | 6895 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
b8009dd1 | 6896 | int i; |
06a2c219 GM |
6897 | int cursor_off_p = 0; |
6898 | struct cursor_pos saved_cursor; | |
6899 | ||
6900 | saved_cursor = output_cursor; | |
6901 | ||
6902 | /* If window is in the process of being destroyed, don't bother | |
6903 | to do anything. */ | |
6904 | if (w->current_matrix == NULL) | |
6905 | goto set_x_cursor; | |
6906 | ||
6907 | /* Recognize when we are called to operate on rows that don't exist | |
6908 | anymore. This can happen when a window is split. */ | |
6909 | if (dpyinfo->mouse_face_end_row >= w->current_matrix->nrows) | |
6910 | goto set_x_cursor; | |
6911 | ||
6912 | set_output_cursor (&w->phys_cursor); | |
6913 | ||
6914 | /* Note that mouse_face_beg_row etc. are window relative. */ | |
6915 | for (i = dpyinfo->mouse_face_beg_row; | |
6916 | i <= dpyinfo->mouse_face_end_row; | |
6917 | i++) | |
6918 | { | |
6919 | int start_hpos, end_hpos, start_x; | |
6920 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, i); | |
6921 | ||
6922 | /* Don't do anything if row doesn't have valid contents. */ | |
6923 | if (!row->enabled_p) | |
6924 | continue; | |
6925 | ||
6926 | /* For all but the first row, the highlight starts at column 0. */ | |
6927 | if (i == dpyinfo->mouse_face_beg_row) | |
6928 | { | |
6929 | start_hpos = dpyinfo->mouse_face_beg_col; | |
6930 | start_x = dpyinfo->mouse_face_beg_x; | |
6931 | } | |
6932 | else | |
6933 | { | |
6934 | start_hpos = 0; | |
6935 | start_x = 0; | |
6936 | } | |
6937 | ||
6938 | if (i == dpyinfo->mouse_face_end_row) | |
6939 | end_hpos = dpyinfo->mouse_face_end_col; | |
6940 | else | |
6941 | end_hpos = row->used[TEXT_AREA]; | |
6942 | ||
6943 | /* If the cursor's in the text we are about to rewrite, turn the | |
6944 | cursor off. */ | |
6945 | if (!w->pseudo_window_p | |
6946 | && i == output_cursor.vpos | |
6947 | && output_cursor.hpos >= start_hpos - 1 | |
6948 | && output_cursor.hpos <= end_hpos) | |
514e4681 | 6949 | { |
06a2c219 GM |
6950 | x_update_window_cursor (w, 0); |
6951 | cursor_off_p = 1; | |
514e4681 | 6952 | } |
b8009dd1 | 6953 | |
06a2c219 | 6954 | if (end_hpos > start_hpos) |
54a91a0f | 6955 | x_draw_glyphs (w, start_x, row, TEXT_AREA, |
66ac4b0e | 6956 | start_hpos, end_hpos, draw, NULL, NULL, 0); |
b8009dd1 RS |
6957 | } |
6958 | ||
514e4681 | 6959 | /* If we turned the cursor off, turn it back on. */ |
06a2c219 GM |
6960 | if (cursor_off_p) |
6961 | x_display_cursor (w, 1, | |
6962 | output_cursor.hpos, output_cursor.vpos, | |
6963 | output_cursor.x, output_cursor.y); | |
2729a2b5 | 6964 | |
06a2c219 | 6965 | output_cursor = saved_cursor; |
fb3b7de5 | 6966 | |
06a2c219 GM |
6967 | set_x_cursor: |
6968 | ||
6969 | /* Change the mouse cursor. */ | |
6970 | if (draw == DRAW_NORMAL_TEXT) | |
6971 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
6972 | f->output_data.x->text_cursor); | |
6973 | else if (draw == DRAW_MOUSE_FACE) | |
334208b7 | 6974 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 6975 | f->output_data.x->cross_cursor); |
27ead1d5 | 6976 | else |
334208b7 | 6977 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
06a2c219 | 6978 | f->output_data.x->nontext_cursor); |
b8009dd1 RS |
6979 | } |
6980 | ||
6981 | /* Clear out the mouse-highlighted active region. | |
06a2c219 | 6982 | Redraw it un-highlighted first. */ |
b8009dd1 | 6983 | |
06a2c219 | 6984 | void |
7a13e894 RS |
6985 | clear_mouse_face (dpyinfo) |
6986 | struct x_display_info *dpyinfo; | |
b8009dd1 | 6987 | { |
06a2c219 GM |
6988 | if (tip_frame) |
6989 | return; | |
6990 | ||
7a13e894 | 6991 | if (! NILP (dpyinfo->mouse_face_window)) |
06a2c219 | 6992 | show_mouse_face (dpyinfo, DRAW_NORMAL_TEXT); |
b8009dd1 | 6993 | |
7a13e894 RS |
6994 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
6995 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
6996 | dpyinfo->mouse_face_window = Qnil; | |
b8009dd1 | 6997 | } |
e687d06e RS |
6998 | |
6999 | /* Just discard the mouse face information for frame F, if any. | |
7000 | This is used when the size of F is changed. */ | |
7001 | ||
dfcf069d | 7002 | void |
e687d06e RS |
7003 | cancel_mouse_face (f) |
7004 | FRAME_PTR f; | |
7005 | { | |
7006 | Lisp_Object window; | |
7007 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
7008 | ||
7009 | window = dpyinfo->mouse_face_window; | |
7010 | if (! NILP (window) && XFRAME (XWINDOW (window)->frame) == f) | |
7011 | { | |
7012 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
7013 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
7014 | dpyinfo->mouse_face_window = Qnil; | |
7015 | } | |
7016 | } | |
b8009dd1 | 7017 | \f |
ab648270 JB |
7018 | static struct scroll_bar *x_window_to_scroll_bar (); |
7019 | static void x_scroll_bar_report_motion (); | |
12ba150f | 7020 | |
90e65f07 | 7021 | /* Return the current position of the mouse. |
2d7fc7e8 | 7022 | *fp should be a frame which indicates which display to ask about. |
90e65f07 | 7023 | |
2d7fc7e8 | 7024 | If the mouse movement started in a scroll bar, set *fp, *bar_window, |
ab648270 | 7025 | and *part to the frame, window, and scroll bar part that the mouse |
12ba150f | 7026 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 7027 | position on the scroll bar. |
12ba150f | 7028 | |
2d7fc7e8 | 7029 | If the mouse movement started elsewhere, set *fp to the frame the |
12ba150f JB |
7030 | mouse is on, *bar_window to nil, and *x and *y to the character cell |
7031 | the mouse is over. | |
7032 | ||
06a2c219 | 7033 | Set *time to the server time-stamp for the time at which the mouse |
12ba150f JB |
7034 | was at this position. |
7035 | ||
a135645a RS |
7036 | Don't store anything if we don't have a valid set of values to report. |
7037 | ||
90e65f07 | 7038 | This clears the mouse_moved flag, so we can wait for the next mouse |
f5bb65ec | 7039 | movement. */ |
90e65f07 JB |
7040 | |
7041 | static void | |
1cf412ec | 7042 | XTmouse_position (fp, insist, bar_window, part, x, y, time) |
334208b7 | 7043 | FRAME_PTR *fp; |
1cf412ec | 7044 | int insist; |
12ba150f | 7045 | Lisp_Object *bar_window; |
ab648270 | 7046 | enum scroll_bar_part *part; |
90e65f07 | 7047 | Lisp_Object *x, *y; |
e5d77022 | 7048 | unsigned long *time; |
90e65f07 | 7049 | { |
a135645a RS |
7050 | FRAME_PTR f1; |
7051 | ||
90e65f07 JB |
7052 | BLOCK_INPUT; |
7053 | ||
8bcee03e | 7054 | if (! NILP (last_mouse_scroll_bar) && insist == 0) |
334208b7 | 7055 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
90e65f07 JB |
7056 | else |
7057 | { | |
12ba150f JB |
7058 | Window root; |
7059 | int root_x, root_y; | |
90e65f07 | 7060 | |
12ba150f JB |
7061 | Window dummy_window; |
7062 | int dummy; | |
7063 | ||
39d8bb4d KH |
7064 | Lisp_Object frame, tail; |
7065 | ||
7066 | /* Clear the mouse-moved flag for every frame on this display. */ | |
7067 | FOR_EACH_FRAME (tail, frame) | |
7068 | if (FRAME_X_DISPLAY (XFRAME (frame)) == FRAME_X_DISPLAY (*fp)) | |
7069 | XFRAME (frame)->mouse_moved = 0; | |
7070 | ||
ab648270 | 7071 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
7072 | |
7073 | /* Figure out which root window we're on. */ | |
334208b7 RS |
7074 | XQueryPointer (FRAME_X_DISPLAY (*fp), |
7075 | DefaultRootWindow (FRAME_X_DISPLAY (*fp)), | |
12ba150f JB |
7076 | |
7077 | /* The root window which contains the pointer. */ | |
7078 | &root, | |
7079 | ||
7080 | /* Trash which we can't trust if the pointer is on | |
7081 | a different screen. */ | |
7082 | &dummy_window, | |
7083 | ||
7084 | /* The position on that root window. */ | |
58769bee | 7085 | &root_x, &root_y, |
12ba150f JB |
7086 | |
7087 | /* More trash we can't trust. */ | |
7088 | &dummy, &dummy, | |
7089 | ||
7090 | /* Modifier keys and pointer buttons, about which | |
7091 | we don't care. */ | |
7092 | (unsigned int *) &dummy); | |
7093 | ||
7094 | /* Now we have a position on the root; find the innermost window | |
7095 | containing the pointer. */ | |
7096 | { | |
7097 | Window win, child; | |
7098 | int win_x, win_y; | |
06a2c219 | 7099 | int parent_x = 0, parent_y = 0; |
e99db5a1 | 7100 | int count; |
12ba150f JB |
7101 | |
7102 | win = root; | |
69388238 | 7103 | |
2d7fc7e8 RS |
7104 | /* XTranslateCoordinates can get errors if the window |
7105 | structure is changing at the same time this function | |
7106 | is running. So at least we must not crash from them. */ | |
7107 | ||
e99db5a1 | 7108 | count = x_catch_errors (FRAME_X_DISPLAY (*fp)); |
2d7fc7e8 | 7109 | |
334208b7 | 7110 | if (FRAME_X_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
23faf38f | 7111 | && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 7112 | { |
69388238 RS |
7113 | /* If mouse was grabbed on a frame, give coords for that frame |
7114 | even if the mouse is now outside it. */ | |
334208b7 | 7115 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
69388238 | 7116 | |
12ba150f | 7117 | /* From-window, to-window. */ |
69388238 | 7118 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
7119 | |
7120 | /* From-position, to-position. */ | |
7121 | root_x, root_y, &win_x, &win_y, | |
7122 | ||
7123 | /* Child of win. */ | |
7124 | &child); | |
69388238 RS |
7125 | f1 = last_mouse_frame; |
7126 | } | |
7127 | else | |
7128 | { | |
7129 | while (1) | |
7130 | { | |
334208b7 | 7131 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
12ba150f | 7132 | |
69388238 RS |
7133 | /* From-window, to-window. */ |
7134 | root, win, | |
12ba150f | 7135 | |
69388238 RS |
7136 | /* From-position, to-position. */ |
7137 | root_x, root_y, &win_x, &win_y, | |
7138 | ||
7139 | /* Child of win. */ | |
7140 | &child); | |
7141 | ||
9af3143a | 7142 | if (child == None || child == win) |
69388238 RS |
7143 | break; |
7144 | ||
7145 | win = child; | |
7146 | parent_x = win_x; | |
7147 | parent_y = win_y; | |
7148 | } | |
12ba150f | 7149 | |
69388238 RS |
7150 | /* Now we know that: |
7151 | win is the innermost window containing the pointer | |
7152 | (XTC says it has no child containing the pointer), | |
7153 | win_x and win_y are the pointer's position in it | |
7154 | (XTC did this the last time through), and | |
7155 | parent_x and parent_y are the pointer's position in win's parent. | |
7156 | (They are what win_x and win_y were when win was child. | |
7157 | If win is the root window, it has no parent, and | |
7158 | parent_{x,y} are invalid, but that's okay, because we'll | |
7159 | never use them in that case.) */ | |
7160 | ||
7161 | /* Is win one of our frames? */ | |
19126e11 | 7162 | f1 = x_any_window_to_frame (FRAME_X_DISPLAY_INFO (*fp), win); |
69388238 | 7163 | } |
58769bee | 7164 | |
2d7fc7e8 RS |
7165 | if (x_had_errors_p (FRAME_X_DISPLAY (*fp))) |
7166 | f1 = 0; | |
7167 | ||
e99db5a1 | 7168 | x_uncatch_errors (FRAME_X_DISPLAY (*fp), count); |
2d7fc7e8 | 7169 | |
ab648270 | 7170 | /* If not, is it one of our scroll bars? */ |
a135645a | 7171 | if (! f1) |
12ba150f | 7172 | { |
ab648270 | 7173 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
7174 | |
7175 | if (bar) | |
7176 | { | |
a135645a | 7177 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
7178 | win_x = parent_x; |
7179 | win_y = parent_y; | |
7180 | } | |
7181 | } | |
90e65f07 | 7182 | |
8bcee03e | 7183 | if (f1 == 0 && insist > 0) |
b86bd3dd | 7184 | f1 = SELECTED_FRAME (); |
1cf412ec | 7185 | |
a135645a | 7186 | if (f1) |
12ba150f | 7187 | { |
06a2c219 GM |
7188 | /* Ok, we found a frame. Store all the values. |
7189 | last_mouse_glyph is a rectangle used to reduce the | |
7190 | generation of mouse events. To not miss any motion | |
7191 | events, we must divide the frame into rectangles of the | |
7192 | size of the smallest character that could be displayed | |
7193 | on it, i.e. into the same rectangles that matrices on | |
7194 | the frame are divided into. */ | |
7195 | ||
7196 | #if OLD_REDISPLAY_CODE | |
2b5c9e71 | 7197 | int ignore1, ignore2; |
2b5c9e71 | 7198 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
334208b7 | 7199 | &last_mouse_glyph, |
1cf412ec RS |
7200 | FRAME_X_DISPLAY_INFO (f1)->grabbed |
7201 | || insist); | |
06a2c219 GM |
7202 | #else |
7203 | { | |
7204 | int width = FRAME_SMALLEST_CHAR_WIDTH (f1); | |
7205 | int height = FRAME_SMALLEST_FONT_HEIGHT (f1); | |
7206 | int x = win_x; | |
7207 | int y = win_y; | |
7208 | ||
7209 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to | |
7210 | round down even for negative values. */ | |
7211 | if (x < 0) | |
7212 | x -= width - 1; | |
7213 | if (y < 0) | |
7214 | y -= height - 1; | |
7215 | ||
7216 | last_mouse_glyph.width = width; | |
7217 | last_mouse_glyph.height = height; | |
7218 | last_mouse_glyph.x = (x + width - 1) / width * width; | |
7219 | last_mouse_glyph.y = (y + height - 1) / height * height; | |
7220 | } | |
7221 | #endif | |
12ba150f JB |
7222 | |
7223 | *bar_window = Qnil; | |
7224 | *part = 0; | |
334208b7 | 7225 | *fp = f1; |
e0c1aef2 KH |
7226 | XSETINT (*x, win_x); |
7227 | XSETINT (*y, win_y); | |
12ba150f JB |
7228 | *time = last_mouse_movement_time; |
7229 | } | |
7230 | } | |
7231 | } | |
90e65f07 JB |
7232 | |
7233 | UNBLOCK_INPUT; | |
7234 | } | |
f451eb13 | 7235 | |
06a2c219 | 7236 | |
06a2c219 | 7237 | #ifdef USE_X_TOOLKIT |
bffcfca9 GM |
7238 | |
7239 | /* Atimer callback function for TIMER. Called every 0.1s to process | |
7240 | Xt timeouts, if needed. We must avoid calling XtAppPending as | |
7241 | much as possible because that function does an implicit XFlush | |
7242 | that slows us down. */ | |
7243 | ||
7244 | static void | |
7245 | x_process_timeouts (timer) | |
7246 | struct atimer *timer; | |
7247 | { | |
7248 | if (toolkit_scroll_bar_interaction || popup_activated_flag) | |
7249 | { | |
7250 | BLOCK_INPUT; | |
7251 | while (XtAppPending (Xt_app_con) & XtIMTimer) | |
7252 | XtAppProcessEvent (Xt_app_con, XtIMTimer); | |
7253 | UNBLOCK_INPUT; | |
7254 | } | |
06a2c219 GM |
7255 | } |
7256 | ||
bffcfca9 | 7257 | #endif /* USE_X_TOOLKIT */ |
06a2c219 GM |
7258 | |
7259 | \f | |
7260 | /* Scroll bar support. */ | |
7261 | ||
7262 | /* Given an X window ID, find the struct scroll_bar which manages it. | |
7263 | This can be called in GC, so we have to make sure to strip off mark | |
7264 | bits. */ | |
bffcfca9 | 7265 | |
06a2c219 GM |
7266 | static struct scroll_bar * |
7267 | x_window_to_scroll_bar (window_id) | |
7268 | Window window_id; | |
7269 | { | |
7270 | Lisp_Object tail; | |
7271 | ||
7272 | for (tail = Vframe_list; | |
7273 | XGCTYPE (tail) == Lisp_Cons; | |
8e713be6 | 7274 | tail = XCDR (tail)) |
06a2c219 GM |
7275 | { |
7276 | Lisp_Object frame, bar, condemned; | |
7277 | ||
8e713be6 | 7278 | frame = XCAR (tail); |
06a2c219 GM |
7279 | /* All elements of Vframe_list should be frames. */ |
7280 | if (! GC_FRAMEP (frame)) | |
7281 | abort (); | |
7282 | ||
7283 | /* Scan this frame's scroll bar list for a scroll bar with the | |
7284 | right window ID. */ | |
7285 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); | |
7286 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
7287 | /* This trick allows us to search both the ordinary and | |
7288 | condemned scroll bar lists with one loop. */ | |
7289 | ! GC_NILP (bar) || (bar = condemned, | |
7290 | condemned = Qnil, | |
7291 | ! GC_NILP (bar)); | |
7292 | bar = XSCROLL_BAR (bar)->next) | |
7293 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
7294 | return XSCROLL_BAR (bar); | |
7295 | } | |
7296 | ||
7297 | return 0; | |
7298 | } | |
7299 | ||
7300 | ||
7301 | \f | |
7302 | /************************************************************************ | |
7303 | Toolkit scroll bars | |
7304 | ************************************************************************/ | |
7305 | ||
7306 | #if USE_TOOLKIT_SCROLL_BARS | |
7307 | ||
7308 | static void x_scroll_bar_to_input_event P_ ((XEvent *, struct input_event *)); | |
7309 | static void x_send_scroll_bar_event P_ ((Lisp_Object, int, int, int)); | |
7310 | static void x_create_toolkit_scroll_bar P_ ((struct frame *, | |
7311 | struct scroll_bar *)); | |
7312 | static void x_set_toolkit_scroll_bar_thumb P_ ((struct scroll_bar *, | |
7313 | int, int, int)); | |
7314 | ||
7315 | ||
7316 | /* Id of action hook installed for scroll bars. */ | |
7317 | ||
7318 | static XtActionHookId action_hook_id; | |
7319 | ||
7320 | /* Lisp window being scrolled. Set when starting to interact with | |
7321 | a toolkit scroll bar, reset to nil when ending the interaction. */ | |
7322 | ||
7323 | static Lisp_Object window_being_scrolled; | |
7324 | ||
7325 | /* Last scroll bar part sent in xm_scroll_callback. */ | |
7326 | ||
7327 | static int last_scroll_bar_part; | |
7328 | ||
ec18280f SM |
7329 | /* Whether this is an Xaw with arrow-scrollbars. This should imply |
7330 | that movements of 1/20 of the screen size are mapped to up/down. */ | |
7331 | ||
7332 | static Boolean xaw3d_arrow_scroll; | |
7333 | ||
7334 | /* Whether the drag scrolling maintains the mouse at the top of the | |
7335 | thumb. If not, resizing the thumb needs to be done more carefully | |
7336 | to avoid jerkyness. */ | |
7337 | ||
7338 | static Boolean xaw3d_pick_top; | |
7339 | ||
06a2c219 GM |
7340 | |
7341 | /* Action hook installed via XtAppAddActionHook when toolkit scroll | |
ec18280f | 7342 | bars are used.. The hook is responsible for detecting when |
06a2c219 GM |
7343 | the user ends an interaction with the scroll bar, and generates |
7344 | a `end-scroll' scroll_bar_click' event if so. */ | |
7345 | ||
7346 | static void | |
7347 | xt_action_hook (widget, client_data, action_name, event, params, | |
7348 | num_params) | |
7349 | Widget widget; | |
7350 | XtPointer client_data; | |
7351 | String action_name; | |
7352 | XEvent *event; | |
7353 | String *params; | |
7354 | Cardinal *num_params; | |
7355 | { | |
7356 | int scroll_bar_p; | |
7357 | char *end_action; | |
7358 | ||
7359 | #ifdef USE_MOTIF | |
7360 | scroll_bar_p = XmIsScrollBar (widget); | |
7361 | end_action = "Release"; | |
ec18280f | 7362 | #else /* !USE_MOTIF i.e. use Xaw */ |
06a2c219 GM |
7363 | scroll_bar_p = XtIsSubclass (widget, scrollbarWidgetClass); |
7364 | end_action = "EndScroll"; | |
ec18280f | 7365 | #endif /* USE_MOTIF */ |
06a2c219 | 7366 | |
06a2c219 GM |
7367 | if (scroll_bar_p |
7368 | && strcmp (action_name, end_action) == 0 | |
7369 | && WINDOWP (window_being_scrolled)) | |
7370 | { | |
7371 | struct window *w; | |
7372 | ||
7373 | x_send_scroll_bar_event (window_being_scrolled, | |
7374 | scroll_bar_end_scroll, 0, 0); | |
7375 | w = XWINDOW (window_being_scrolled); | |
7376 | XSCROLL_BAR (w->vertical_scroll_bar)->dragging = Qnil; | |
7377 | window_being_scrolled = Qnil; | |
7378 | last_scroll_bar_part = -1; | |
bffcfca9 GM |
7379 | |
7380 | /* Xt timeouts no longer needed. */ | |
7381 | toolkit_scroll_bar_interaction = 0; | |
06a2c219 GM |
7382 | } |
7383 | } | |
7384 | ||
7385 | ||
7386 | /* Send a client message with message type Xatom_Scrollbar for a | |
7387 | scroll action to the frame of WINDOW. PART is a value identifying | |
7388 | the part of the scroll bar that was clicked on. PORTION is the | |
7389 | amount to scroll of a whole of WHOLE. */ | |
7390 | ||
7391 | static void | |
7392 | x_send_scroll_bar_event (window, part, portion, whole) | |
7393 | Lisp_Object window; | |
7394 | int part, portion, whole; | |
7395 | { | |
7396 | XEvent event; | |
7397 | XClientMessageEvent *ev = (XClientMessageEvent *) &event; | |
7398 | struct frame *f = XFRAME (XWINDOW (window)->frame); | |
7399 | ||
7400 | /* Construct a ClientMessage event to send to the frame. */ | |
7401 | ev->type = ClientMessage; | |
7402 | ev->message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_Scrollbar; | |
7403 | ev->display = FRAME_X_DISPLAY (f); | |
7404 | ev->window = FRAME_X_WINDOW (f); | |
7405 | ev->format = 32; | |
7406 | ev->data.l[0] = (long) window; | |
7407 | ev->data.l[1] = (long) part; | |
7408 | ev->data.l[2] = (long) 0; | |
7409 | ev->data.l[3] = (long) portion; | |
7410 | ev->data.l[4] = (long) whole; | |
7411 | ||
bffcfca9 GM |
7412 | /* Make Xt timeouts work while the scroll bar is active. */ |
7413 | toolkit_scroll_bar_interaction = 1; | |
7414 | ||
06a2c219 GM |
7415 | /* Setting the event mask to zero means that the message will |
7416 | be sent to the client that created the window, and if that | |
7417 | window no longer exists, no event will be sent. */ | |
7418 | BLOCK_INPUT; | |
7419 | XSendEvent (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), False, 0, &event); | |
7420 | UNBLOCK_INPUT; | |
7421 | } | |
7422 | ||
7423 | ||
7424 | /* Transform a scroll bar ClientMessage EVENT to an Emacs input event | |
7425 | in *IEVENT. */ | |
7426 | ||
7427 | static void | |
7428 | x_scroll_bar_to_input_event (event, ievent) | |
7429 | XEvent *event; | |
7430 | struct input_event *ievent; | |
7431 | { | |
7432 | XClientMessageEvent *ev = (XClientMessageEvent *) event; | |
7433 | Lisp_Object window = (Lisp_Object) ev->data.l[0]; | |
7434 | struct frame *f = XFRAME (XWINDOW (window)->frame); | |
7435 | ||
7436 | ievent->kind = scroll_bar_click; | |
7437 | ievent->frame_or_window = window; | |
7438 | ievent->timestamp = XtLastTimestampProcessed (FRAME_X_DISPLAY (f)); | |
7439 | ievent->part = ev->data.l[1]; | |
7440 | ievent->code = ev->data.l[2]; | |
7441 | ievent->x = make_number ((int) ev->data.l[3]); | |
7442 | ievent->y = make_number ((int) ev->data.l[4]); | |
7443 | ievent->modifiers = 0; | |
7444 | } | |
7445 | ||
7446 | ||
7447 | #ifdef USE_MOTIF | |
7448 | ||
7449 | /* Minimum and maximum values used for Motif scroll bars. */ | |
7450 | ||
7451 | #define XM_SB_MIN 1 | |
7452 | #define XM_SB_MAX 10000000 | |
7453 | #define XM_SB_RANGE (XM_SB_MAX - XM_SB_MIN) | |
7454 | ||
7455 | ||
7456 | /* Scroll bar callback for Motif scroll bars. WIDGET is the scroll | |
7457 | bar widget. CLIENT_DATA is a pointer to the scroll_bar structure. | |
7458 | CALL_DATA is a pointer a a XmScrollBarCallbackStruct. */ | |
7459 | ||
7460 | static void | |
7461 | xm_scroll_callback (widget, client_data, call_data) | |
7462 | Widget widget; | |
7463 | XtPointer client_data, call_data; | |
7464 | { | |
7465 | struct scroll_bar *bar = (struct scroll_bar *) client_data; | |
7466 | XmScrollBarCallbackStruct *cs = (XmScrollBarCallbackStruct *) call_data; | |
7467 | double percent; | |
7468 | int part = -1, whole = 0, portion = 0; | |
7469 | ||
7470 | switch (cs->reason) | |
7471 | { | |
7472 | case XmCR_DECREMENT: | |
7473 | bar->dragging = Qnil; | |
7474 | part = scroll_bar_up_arrow; | |
7475 | break; | |
7476 | ||
7477 | case XmCR_INCREMENT: | |
7478 | bar->dragging = Qnil; | |
7479 | part = scroll_bar_down_arrow; | |
7480 | break; | |
7481 | ||
7482 | case XmCR_PAGE_DECREMENT: | |
7483 | bar->dragging = Qnil; | |
7484 | part = scroll_bar_above_handle; | |
7485 | break; | |
7486 | ||
7487 | case XmCR_PAGE_INCREMENT: | |
7488 | bar->dragging = Qnil; | |
7489 | part = scroll_bar_below_handle; | |
7490 | break; | |
7491 | ||
7492 | case XmCR_TO_TOP: | |
7493 | bar->dragging = Qnil; | |
7494 | part = scroll_bar_to_top; | |
7495 | break; | |
7496 | ||
7497 | case XmCR_TO_BOTTOM: | |
7498 | bar->dragging = Qnil; | |
7499 | part = scroll_bar_to_bottom; | |
7500 | break; | |
7501 | ||
7502 | case XmCR_DRAG: | |
7503 | { | |
7504 | int slider_size; | |
7505 | int dragging_down_p = (INTEGERP (bar->dragging) | |
7506 | && XINT (bar->dragging) <= cs->value); | |
7507 | ||
7508 | /* Get the slider size. */ | |
7509 | BLOCK_INPUT; | |
7510 | XtVaGetValues (widget, XmNsliderSize, &slider_size, NULL); | |
7511 | UNBLOCK_INPUT; | |
7512 | ||
7513 | /* At the max position of the scroll bar, do a line-wise | |
7514 | movement. Without doing anything, the LessTif scroll bar | |
7515 | calls us with the same cs->value again and again. If we | |
7516 | want to make sure that we can reach the end of the buffer, | |
7517 | we have to do something. | |
7518 | ||
7519 | Implementation note: setting bar->dragging always to | |
7520 | cs->value gives a smoother movement at the max position. | |
7521 | Setting it to nil when doing line-wise movement gives | |
7522 | a better slider behavior. */ | |
7523 | ||
7524 | if (cs->value + slider_size == XM_SB_MAX | |
7525 | || (dragging_down_p | |
7526 | && last_scroll_bar_part == scroll_bar_down_arrow)) | |
7527 | { | |
7528 | part = scroll_bar_down_arrow; | |
7529 | bar->dragging = Qnil; | |
7530 | } | |
7531 | else | |
7532 | { | |
7533 | whole = XM_SB_RANGE; | |
7534 | portion = min (cs->value - XM_SB_MIN, XM_SB_MAX - slider_size); | |
7535 | part = scroll_bar_handle; | |
7536 | bar->dragging = make_number (cs->value); | |
7537 | } | |
7538 | } | |
7539 | break; | |
7540 | ||
7541 | case XmCR_VALUE_CHANGED: | |
7542 | break; | |
7543 | }; | |
7544 | ||
7545 | if (part >= 0) | |
7546 | { | |
7547 | window_being_scrolled = bar->window; | |
7548 | last_scroll_bar_part = part; | |
7549 | x_send_scroll_bar_event (bar->window, part, portion, whole); | |
7550 | } | |
7551 | } | |
7552 | ||
7553 | ||
ec18280f | 7554 | #else /* !USE_MOTIF, i.e. Xaw. */ |
06a2c219 GM |
7555 | |
7556 | ||
ec18280f | 7557 | /* Xaw scroll bar callback. Invoked when the thumb is dragged. |
06a2c219 GM |
7558 | WIDGET is the scroll bar widget. CLIENT_DATA is a pointer to the |
7559 | scroll bar struct. CALL_DATA is a pointer to a float saying where | |
7560 | the thumb is. */ | |
7561 | ||
7562 | static void | |
ec18280f | 7563 | xaw_jump_callback (widget, client_data, call_data) |
06a2c219 GM |
7564 | Widget widget; |
7565 | XtPointer client_data, call_data; | |
7566 | { | |
7567 | struct scroll_bar *bar = (struct scroll_bar *) client_data; | |
7568 | float top = *(float *) call_data; | |
7569 | float shown; | |
ec18280f SM |
7570 | int whole, portion, height; |
7571 | int part; | |
06a2c219 GM |
7572 | |
7573 | /* Get the size of the thumb, a value between 0 and 1. */ | |
7574 | BLOCK_INPUT; | |
ec18280f | 7575 | XtVaGetValues (widget, XtNshown, &shown, XtNheight, &height, NULL); |
06a2c219 GM |
7576 | UNBLOCK_INPUT; |
7577 | ||
7578 | whole = 10000000; | |
7579 | portion = shown < 1 ? top * whole : 0; | |
06a2c219 | 7580 | |
ec18280f SM |
7581 | if (shown < 1 && (abs (top + shown - 1) < 1.0/height)) |
7582 | /* Some derivatives of Xaw refuse to shrink the thumb when you reach | |
7583 | the bottom, so we force the scrolling whenever we see that we're | |
7584 | too close to the bottom (in x_set_toolkit_scroll_bar_thumb | |
7585 | we try to ensure that we always stay two pixels away from the | |
7586 | bottom). */ | |
06a2c219 GM |
7587 | part = scroll_bar_down_arrow; |
7588 | else | |
7589 | part = scroll_bar_handle; | |
7590 | ||
7591 | window_being_scrolled = bar->window; | |
7592 | bar->dragging = make_number (portion); | |
7593 | last_scroll_bar_part = part; | |
7594 | x_send_scroll_bar_event (bar->window, part, portion, whole); | |
7595 | } | |
7596 | ||
7597 | ||
ec18280f SM |
7598 | /* Xaw scroll bar callback. Invoked for incremental scrolling., |
7599 | i.e. line or page up or down. WIDGET is the Xaw scroll bar | |
06a2c219 GM |
7600 | widget. CLIENT_DATA is a pointer to the scroll_bar structure for |
7601 | the scroll bar. CALL_DATA is an integer specifying the action that | |
7602 | has taken place. It's magnitude is in the range 0..height of the | |
7603 | scroll bar. Negative values mean scroll towards buffer start. | |
7604 | Values < height of scroll bar mean line-wise movement. */ | |
7605 | ||
7606 | static void | |
ec18280f | 7607 | xaw_scroll_callback (widget, client_data, call_data) |
06a2c219 GM |
7608 | Widget widget; |
7609 | XtPointer client_data, call_data; | |
7610 | { | |
7611 | struct scroll_bar *bar = (struct scroll_bar *) client_data; | |
7612 | int position = (int) call_data; | |
7613 | Dimension height; | |
7614 | int part; | |
7615 | ||
7616 | /* Get the height of the scroll bar. */ | |
7617 | BLOCK_INPUT; | |
7618 | XtVaGetValues (widget, XtNheight, &height, NULL); | |
7619 | UNBLOCK_INPUT; | |
7620 | ||
ec18280f SM |
7621 | if (abs (position) >= height) |
7622 | part = (position < 0) ? scroll_bar_above_handle : scroll_bar_below_handle; | |
7623 | ||
7624 | /* If Xaw3d was compiled with ARROW_SCROLLBAR, | |
7625 | it maps line-movement to call_data = max(5, height/20). */ | |
7626 | else if (xaw3d_arrow_scroll && abs (position) <= max (5, height / 20)) | |
7627 | part = (position < 0) ? scroll_bar_up_arrow : scroll_bar_down_arrow; | |
06a2c219 | 7628 | else |
ec18280f | 7629 | part = scroll_bar_move_ratio; |
06a2c219 GM |
7630 | |
7631 | window_being_scrolled = bar->window; | |
7632 | bar->dragging = Qnil; | |
7633 | last_scroll_bar_part = part; | |
ec18280f | 7634 | x_send_scroll_bar_event (bar->window, part, position, height); |
06a2c219 GM |
7635 | } |
7636 | ||
7637 | ||
7638 | #endif /* not USE_MOTIF */ | |
7639 | ||
7640 | ||
7641 | /* Create the widget for scroll bar BAR on frame F. Record the widget | |
7642 | and X window of the scroll bar in BAR. */ | |
7643 | ||
7644 | static void | |
7645 | x_create_toolkit_scroll_bar (f, bar) | |
7646 | struct frame *f; | |
7647 | struct scroll_bar *bar; | |
7648 | { | |
7649 | Window xwindow; | |
7650 | Widget widget; | |
7651 | Arg av[20]; | |
7652 | int ac = 0; | |
7653 | char *scroll_bar_name = "verticalScrollBar"; | |
7654 | unsigned long pixel; | |
7655 | ||
7656 | BLOCK_INPUT; | |
7657 | ||
7658 | #ifdef USE_MOTIF | |
7659 | /* LessTif 0.85, problems: | |
7660 | ||
7661 | 1. When the mouse if over the scroll bar, the scroll bar will | |
7662 | get keyboard events. I didn't find a way to turn this off. | |
7663 | ||
7664 | 2. Do we have to explicitly set the cursor to get an arrow | |
7665 | cursor (see below)? */ | |
7666 | ||
7667 | /* Set resources. Create the widget. */ | |
7668 | XtSetArg (av[ac], XtNmappedWhenManaged, False); ++ac; | |
7669 | XtSetArg (av[ac], XmNminimum, XM_SB_MIN); ++ac; | |
7670 | XtSetArg (av[ac], XmNmaximum, XM_SB_MAX); ++ac; | |
7671 | XtSetArg (av[ac], XmNorientation, XmVERTICAL); ++ac; | |
7672 | XtSetArg (av[ac], XmNprocessingDirection, XmMAX_ON_BOTTOM), ++ac; | |
7673 | XtSetArg (av[ac], XmNincrement, 1); ++ac; | |
7674 | XtSetArg (av[ac], XmNpageIncrement, 1); ++ac; | |
7675 | ||
7676 | pixel = f->output_data.x->scroll_bar_foreground_pixel; | |
7677 | if (pixel != -1) | |
7678 | { | |
7679 | XtSetArg (av[ac], XmNforeground, pixel); | |
7680 | ++ac; | |
7681 | } | |
7682 | ||
7683 | pixel = f->output_data.x->scroll_bar_background_pixel; | |
7684 | if (pixel != -1) | |
7685 | { | |
7686 | XtSetArg (av[ac], XmNbackground, pixel); | |
7687 | ++ac; | |
7688 | } | |
7689 | ||
7690 | widget = XmCreateScrollBar (f->output_data.x->edit_widget, | |
7691 | scroll_bar_name, av, ac); | |
7692 | ||
7693 | /* Add one callback for everything that can happen. */ | |
7694 | XtAddCallback (widget, XmNdecrementCallback, xm_scroll_callback, | |
7695 | (XtPointer) bar); | |
7696 | XtAddCallback (widget, XmNdragCallback, xm_scroll_callback, | |
7697 | (XtPointer) bar); | |
7698 | XtAddCallback (widget, XmNincrementCallback, xm_scroll_callback, | |
7699 | (XtPointer) bar); | |
7700 | XtAddCallback (widget, XmNpageDecrementCallback, xm_scroll_callback, | |
7701 | (XtPointer) bar); | |
7702 | XtAddCallback (widget, XmNpageIncrementCallback, xm_scroll_callback, | |
7703 | (XtPointer) bar); | |
7704 | XtAddCallback (widget, XmNtoBottomCallback, xm_scroll_callback, | |
7705 | (XtPointer) bar); | |
7706 | XtAddCallback (widget, XmNtoTopCallback, xm_scroll_callback, | |
7707 | (XtPointer) bar); | |
7708 | ||
7709 | /* Realize the widget. Only after that is the X window created. */ | |
7710 | XtRealizeWidget (widget); | |
7711 | ||
7712 | /* Set the cursor to an arrow. I didn't find a resource to do that. | |
7713 | And I'm wondering why it hasn't an arrow cursor by default. */ | |
7714 | XDefineCursor (XtDisplay (widget), XtWindow (widget), | |
7715 | f->output_data.x->nontext_cursor); | |
7716 | ||
ec18280f | 7717 | #else /* !USE_MOTIF i.e. use Xaw */ |
06a2c219 GM |
7718 | |
7719 | /* Set resources. Create the widget. The background of the | |
7720 | Xaw3d scroll bar widget is a little bit light for my taste. | |
7721 | We don't alter it here to let users change it according | |
7722 | to their taste with `emacs*verticalScrollBar.background: xxx'. */ | |
7723 | XtSetArg (av[ac], XtNmappedWhenManaged, False); ++ac; | |
7724 | XtSetArg (av[ac], XtNorientation, XtorientVertical); ++ac; | |
ec18280f SM |
7725 | /* For smoother scrolling with Xaw3d -sm */ |
7726 | /* XtSetArg (av[ac], XtNpickTop, True); ++ac; */ | |
7727 | /* XtSetArg (av[ac], XtNbeNiceToColormap, True); ++ac; */ | |
06a2c219 GM |
7728 | |
7729 | pixel = f->output_data.x->scroll_bar_foreground_pixel; | |
7730 | if (pixel != -1) | |
7731 | { | |
7732 | XtSetArg (av[ac], XtNforeground, pixel); | |
7733 | ++ac; | |
7734 | } | |
7735 | ||
7736 | pixel = f->output_data.x->scroll_bar_background_pixel; | |
7737 | if (pixel != -1) | |
7738 | { | |
7739 | XtSetArg (av[ac], XtNbackground, pixel); | |
7740 | ++ac; | |
7741 | } | |
7742 | ||
7743 | widget = XtCreateWidget (scroll_bar_name, scrollbarWidgetClass, | |
7744 | f->output_data.x->edit_widget, av, ac); | |
ec18280f SM |
7745 | |
7746 | { | |
7747 | char *initial = ""; | |
7748 | char *val = initial; | |
7749 | XtVaGetValues (widget, XtNscrollVCursor, (XtPointer) &val, | |
7750 | XtNpickTop, (XtPointer) &xaw3d_pick_top, NULL); | |
7751 | if (val == initial) | |
7752 | { /* ARROW_SCROLL */ | |
7753 | xaw3d_arrow_scroll = True; | |
7754 | /* Isn't that just a personal preference ? -sm */ | |
7755 | XtVaSetValues (widget, XtNcursorName, "top_left_arrow", NULL); | |
7756 | } | |
7757 | } | |
06a2c219 GM |
7758 | |
7759 | /* Define callbacks. */ | |
ec18280f SM |
7760 | XtAddCallback (widget, XtNjumpProc, xaw_jump_callback, (XtPointer) bar); |
7761 | XtAddCallback (widget, XtNscrollProc, xaw_scroll_callback, | |
06a2c219 GM |
7762 | (XtPointer) bar); |
7763 | ||
7764 | /* Realize the widget. Only after that is the X window created. */ | |
7765 | XtRealizeWidget (widget); | |
7766 | ||
ec18280f | 7767 | #endif /* !USE_MOTIF */ |
06a2c219 GM |
7768 | |
7769 | /* Install an action hook that let's us detect when the user | |
7770 | finishes interacting with a scroll bar. */ | |
7771 | if (action_hook_id == 0) | |
7772 | action_hook_id = XtAppAddActionHook (Xt_app_con, xt_action_hook, 0); | |
7773 | ||
7774 | /* Remember X window and widget in the scroll bar vector. */ | |
7775 | SET_SCROLL_BAR_X_WIDGET (bar, widget); | |
7776 | xwindow = XtWindow (widget); | |
7777 | SET_SCROLL_BAR_X_WINDOW (bar, xwindow); | |
7778 | ||
7779 | UNBLOCK_INPUT; | |
7780 | } | |
7781 | ||
7782 | ||
7783 | /* Set the thumb size and position of scroll bar BAR. We are currently | |
7784 | displaying PORTION out of a whole WHOLE, and our position POSITION. */ | |
7785 | ||
7786 | static void | |
7787 | x_set_toolkit_scroll_bar_thumb (bar, portion, position, whole) | |
7788 | struct scroll_bar *bar; | |
7789 | int portion, position, whole; | |
f451eb13 | 7790 | { |
06a2c219 | 7791 | float top, shown; |
06a2c219 | 7792 | Widget widget = SCROLL_BAR_X_WIDGET (bar); |
f451eb13 | 7793 | |
06a2c219 GM |
7794 | if (whole == 0) |
7795 | top = 0, shown = 1; | |
7796 | else | |
f451eb13 | 7797 | { |
06a2c219 GM |
7798 | top = (float) position / whole; |
7799 | shown = (float) portion / whole; | |
7800 | } | |
f451eb13 | 7801 | |
06a2c219 | 7802 | BLOCK_INPUT; |
f451eb13 | 7803 | |
06a2c219 GM |
7804 | #ifdef USE_MOTIF |
7805 | { | |
7806 | int size, value; | |
7807 | Boolean arrow1_selected, arrow2_selected; | |
7808 | unsigned char flags; | |
7809 | XmScrollBarWidget sb; | |
7810 | ||
ec18280f | 7811 | /* Slider size. Must be in the range [1 .. MAX - MIN] where MAX |
06a2c219 GM |
7812 | is the scroll bar's maximum and MIN is the scroll bar's minimum |
7813 | value. */ | |
7814 | size = shown * XM_SB_RANGE; | |
7815 | size = min (size, XM_SB_RANGE); | |
7816 | size = max (size, 1); | |
7817 | ||
7818 | /* Position. Must be in the range [MIN .. MAX - SLIDER_SIZE]. */ | |
7819 | value = top * XM_SB_RANGE; | |
7820 | value = min (value, XM_SB_MAX - size); | |
7821 | value = max (value, XM_SB_MIN); | |
7822 | ||
7823 | /* LessTif: Calling XmScrollBarSetValues after an increment or | |
7824 | decrement turns off auto-repeat LessTif-internally. This can | |
7825 | be seen in ScrollBar.c which resets Arrow1Selected and | |
7826 | Arrow2Selected. It also sets internal flags so that LessTif | |
7827 | believes the mouse is in the slider. We either have to change | |
7828 | our code, or work around that by accessing private data. */ | |
7829 | ||
7830 | sb = (XmScrollBarWidget) widget; | |
7831 | arrow1_selected = sb->scrollBar.arrow1_selected; | |
7832 | arrow2_selected = sb->scrollBar.arrow2_selected; | |
7833 | flags = sb->scrollBar.flags; | |
7834 | ||
7835 | if (NILP (bar->dragging)) | |
7836 | XmScrollBarSetValues (widget, value, size, 0, 0, False); | |
7837 | else if (last_scroll_bar_part == scroll_bar_down_arrow) | |
7838 | /* This has the negative side effect that the slider value is | |
ec18280f | 7839 | not what it would be if we scrolled here using line-wise or |
06a2c219 GM |
7840 | page-wise movement. */ |
7841 | XmScrollBarSetValues (widget, value, XM_SB_RANGE - value, 0, 0, False); | |
7842 | else | |
7843 | { | |
7844 | /* If currently dragging, only update the slider size. | |
7845 | This reduces flicker effects. */ | |
7846 | int old_value, old_size, increment, page_increment; | |
7847 | ||
7848 | XmScrollBarGetValues (widget, &old_value, &old_size, | |
7849 | &increment, &page_increment); | |
7850 | XmScrollBarSetValues (widget, old_value, | |
7851 | min (size, XM_SB_RANGE - old_value), | |
7852 | 0, 0, False); | |
7853 | } | |
7854 | ||
7855 | sb->scrollBar.arrow1_selected = arrow1_selected; | |
7856 | sb->scrollBar.arrow2_selected = arrow2_selected; | |
7857 | sb->scrollBar.flags = flags; | |
7858 | } | |
ec18280f | 7859 | #else /* !USE_MOTIF i.e. use Xaw */ |
06a2c219 | 7860 | { |
ec18280f SM |
7861 | float old_top, old_shown; |
7862 | Dimension height; | |
7863 | XtVaGetValues (widget, | |
7864 | XtNtopOfThumb, &old_top, | |
7865 | XtNshown, &old_shown, | |
7866 | XtNheight, &height, | |
7867 | NULL); | |
7868 | ||
7869 | /* Massage the top+shown values. */ | |
7870 | if (NILP (bar->dragging) || last_scroll_bar_part == scroll_bar_down_arrow) | |
7871 | top = max (0, min (1, top)); | |
7872 | else | |
7873 | top = old_top; | |
7874 | /* Keep two pixels available for moving the thumb down. */ | |
7875 | shown = max (0, min (1 - top - (2.0 / height), shown)); | |
06a2c219 GM |
7876 | |
7877 | /* If the call to XawScrollbarSetThumb below doesn't seem to work, | |
7878 | check that your system's configuration file contains a define | |
7879 | for `NARROWPROTO'. See s/freebsd.h for an example. */ | |
ec18280f | 7880 | if (top != old_top || shown != old_shown) |
eb393530 | 7881 | { |
ec18280f | 7882 | if (NILP (bar->dragging)) |
eb393530 | 7883 | XawScrollbarSetThumb (widget, top, shown); |
06a2c219 GM |
7884 | else |
7885 | { | |
ec18280f SM |
7886 | #ifdef HAVE_XAW3D |
7887 | ScrollbarWidget sb = (ScrollbarWidget) widget; | |
7888 | int scroll_mode; | |
7889 | ||
7890 | /* `scroll_mode' only exists with Xaw3d + ARROW_SCROLLBAR. */ | |
7891 | if (xaw3d_arrow_scroll) | |
7892 | { | |
7893 | /* Xaw3d stupidly ignores resize requests while dragging | |
7894 | so we have to make it believe it's not in dragging mode. */ | |
7895 | scroll_mode = sb->scrollbar.scroll_mode; | |
7896 | if (scroll_mode == 2) | |
7897 | sb->scrollbar.scroll_mode = 0; | |
7898 | } | |
7899 | #endif | |
7900 | /* Try to make the scrolling a tad smoother. */ | |
7901 | if (!xaw3d_pick_top) | |
7902 | shown = min (shown, old_shown); | |
7903 | ||
7904 | XawScrollbarSetThumb (widget, top, shown); | |
7905 | ||
7906 | #ifdef HAVE_XAW3D | |
7907 | if (xaw3d_arrow_scroll && scroll_mode == 2) | |
7908 | sb->scrollbar.scroll_mode = scroll_mode; | |
7909 | #endif | |
06a2c219 | 7910 | } |
06a2c219 GM |
7911 | } |
7912 | } | |
ec18280f | 7913 | #endif /* !USE_MOTIF */ |
06a2c219 GM |
7914 | |
7915 | UNBLOCK_INPUT; | |
f451eb13 JB |
7916 | } |
7917 | ||
06a2c219 GM |
7918 | #endif /* USE_TOOLKIT_SCROLL_BARS */ |
7919 | ||
7920 | ||
7921 | \f | |
7922 | /************************************************************************ | |
7923 | Scroll bars, general | |
7924 | ************************************************************************/ | |
7925 | ||
7926 | /* Create a scroll bar and return the scroll bar vector for it. W is | |
7927 | the Emacs window on which to create the scroll bar. TOP, LEFT, | |
7928 | WIDTH and HEIGHT are.the pixel coordinates and dimensions of the | |
7929 | scroll bar. */ | |
7930 | ||
ab648270 | 7931 | static struct scroll_bar * |
06a2c219 GM |
7932 | x_scroll_bar_create (w, top, left, width, height) |
7933 | struct window *w; | |
f451eb13 JB |
7934 | int top, left, width, height; |
7935 | { | |
06a2c219 | 7936 | struct frame *f = XFRAME (w->frame); |
334208b7 RS |
7937 | struct scroll_bar *bar |
7938 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
7939 | |
7940 | BLOCK_INPUT; | |
7941 | ||
06a2c219 GM |
7942 | #if USE_TOOLKIT_SCROLL_BARS |
7943 | x_create_toolkit_scroll_bar (f, bar); | |
7944 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
f451eb13 JB |
7945 | { |
7946 | XSetWindowAttributes a; | |
7947 | unsigned long mask; | |
5c187dee | 7948 | Window window; |
06a2c219 GM |
7949 | |
7950 | a.background_pixel = f->output_data.x->scroll_bar_background_pixel; | |
7951 | if (a.background_pixel == -1) | |
7952 | a.background_pixel = f->output_data.x->background_pixel; | |
7953 | ||
12ba150f | 7954 | a.event_mask = (ButtonPressMask | ButtonReleaseMask |
9a572e2a | 7955 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 7956 | | ExposureMask); |
7a13e894 | 7957 | a.cursor = FRAME_X_DISPLAY_INFO (f)->vertical_scroll_bar_cursor; |
f451eb13 | 7958 | |
dbc4e1c1 | 7959 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 7960 | |
06a2c219 GM |
7961 | /* Clear the area of W that will serve as a scroll bar. This is |
7962 | for the case that a window has been split horizontally. In | |
7963 | this case, no clear_frame is generated to reduce flickering. */ | |
7964 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
7965 | left, top, width, | |
7966 | window_box_height (w), False); | |
7967 | ||
7968 | window = XCreateWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
7969 | /* Position and size of scroll bar. */ | |
7970 | left + VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
7971 | top, | |
7972 | width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, | |
7973 | height, | |
7974 | /* Border width, depth, class, and visual. */ | |
7975 | 0, | |
7976 | CopyFromParent, | |
7977 | CopyFromParent, | |
7978 | CopyFromParent, | |
7979 | /* Attributes. */ | |
7980 | mask, &a); | |
7981 | SET_SCROLL_BAR_X_WINDOW (bar, window); | |
f451eb13 | 7982 | } |
06a2c219 | 7983 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 | 7984 | |
06a2c219 | 7985 | XSETWINDOW (bar->window, w); |
e0c1aef2 KH |
7986 | XSETINT (bar->top, top); |
7987 | XSETINT (bar->left, left); | |
7988 | XSETINT (bar->width, width); | |
7989 | XSETINT (bar->height, height); | |
7990 | XSETINT (bar->start, 0); | |
7991 | XSETINT (bar->end, 0); | |
12ba150f | 7992 | bar->dragging = Qnil; |
f451eb13 JB |
7993 | |
7994 | /* Add bar to its frame's list of scroll bars. */ | |
334208b7 | 7995 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 7996 | bar->prev = Qnil; |
334208b7 | 7997 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
06a2c219 | 7998 | if (!NILP (bar->next)) |
e0c1aef2 | 7999 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
f451eb13 | 8000 | |
06a2c219 GM |
8001 | /* Map the window/widget. */ |
8002 | #if USE_TOOLKIT_SCROLL_BARS | |
8003 | XtMapWidget (SCROLL_BAR_X_WIDGET (bar)); | |
8004 | XtConfigureWidget (SCROLL_BAR_X_WIDGET (bar), | |
8005 | left + VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
8006 | top, | |
8007 | width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, | |
8008 | height, 0); | |
8009 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
7f9c7f94 | 8010 | XMapRaised (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
06a2c219 | 8011 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 JB |
8012 | |
8013 | UNBLOCK_INPUT; | |
12ba150f | 8014 | return bar; |
f451eb13 JB |
8015 | } |
8016 | ||
06a2c219 | 8017 | |
12ba150f | 8018 | /* Draw BAR's handle in the proper position. |
06a2c219 | 8019 | |
12ba150f JB |
8020 | If the handle is already drawn from START to END, don't bother |
8021 | redrawing it, unless REBUILD is non-zero; in that case, always | |
8022 | redraw it. (REBUILD is handy for drawing the handle after expose | |
58769bee | 8023 | events.) |
12ba150f JB |
8024 | |
8025 | Normally, we want to constrain the start and end of the handle to | |
06a2c219 GM |
8026 | fit inside its rectangle, but if the user is dragging the scroll |
8027 | bar handle, we want to let them drag it down all the way, so that | |
8028 | the bar's top is as far down as it goes; otherwise, there's no way | |
8029 | to move to the very end of the buffer. */ | |
8030 | ||
5c187dee GM |
8031 | #ifndef USE_TOOLKIT_SCROLL_BARS |
8032 | ||
f451eb13 | 8033 | static void |
ab648270 JB |
8034 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
8035 | struct scroll_bar *bar; | |
f451eb13 | 8036 | int start, end; |
12ba150f | 8037 | int rebuild; |
f451eb13 | 8038 | { |
12ba150f | 8039 | int dragging = ! NILP (bar->dragging); |
ab648270 | 8040 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 | 8041 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7556890b | 8042 | GC gc = f->output_data.x->normal_gc; |
12ba150f JB |
8043 | |
8044 | /* If the display is already accurate, do nothing. */ | |
8045 | if (! rebuild | |
8046 | && start == XINT (bar->start) | |
8047 | && end == XINT (bar->end)) | |
8048 | return; | |
8049 | ||
f451eb13 JB |
8050 | BLOCK_INPUT; |
8051 | ||
8052 | { | |
d9cdbb3d RS |
8053 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (f, XINT (bar->width)); |
8054 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, XINT (bar->height)); | |
8055 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); | |
f451eb13 JB |
8056 | |
8057 | /* Make sure the values are reasonable, and try to preserve | |
8058 | the distance between start and end. */ | |
12ba150f JB |
8059 | { |
8060 | int length = end - start; | |
8061 | ||
8062 | if (start < 0) | |
8063 | start = 0; | |
8064 | else if (start > top_range) | |
8065 | start = top_range; | |
8066 | end = start + length; | |
8067 | ||
8068 | if (end < start) | |
8069 | end = start; | |
8070 | else if (end > top_range && ! dragging) | |
8071 | end = top_range; | |
8072 | } | |
f451eb13 | 8073 | |
ab648270 | 8074 | /* Store the adjusted setting in the scroll bar. */ |
e0c1aef2 KH |
8075 | XSETINT (bar->start, start); |
8076 | XSETINT (bar->end, end); | |
f451eb13 | 8077 | |
12ba150f JB |
8078 | /* Clip the end position, just for display. */ |
8079 | if (end > top_range) | |
8080 | end = top_range; | |
f451eb13 | 8081 | |
ab648270 | 8082 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
8083 | below top positions, to make sure the handle is always at least |
8084 | that many pixels tall. */ | |
ab648270 | 8085 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 8086 | |
12ba150f JB |
8087 | /* Draw the empty space above the handle. Note that we can't clear |
8088 | zero-height areas; that means "clear to end of window." */ | |
8089 | if (0 < start) | |
334208b7 | 8090 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 8091 | |
12ba150f | 8092 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
8093 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
8094 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
8095 | inside_width, start, |
8096 | False); | |
f451eb13 | 8097 | |
06a2c219 GM |
8098 | /* Change to proper foreground color if one is specified. */ |
8099 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) | |
8100 | XSetForeground (FRAME_X_DISPLAY (f), gc, | |
8101 | f->output_data.x->scroll_bar_foreground_pixel); | |
8102 | ||
12ba150f | 8103 | /* Draw the handle itself. */ |
334208b7 | 8104 | XFillRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 | 8105 | |
12ba150f | 8106 | /* x, y, width, height */ |
ab648270 JB |
8107 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
8108 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 8109 | inside_width, end - start); |
f451eb13 | 8110 | |
06a2c219 GM |
8111 | /* Restore the foreground color of the GC if we changed it above. */ |
8112 | if (f->output_data.x->scroll_bar_foreground_pixel != -1) | |
8113 | XSetForeground (FRAME_X_DISPLAY (f), gc, | |
8114 | f->output_data.x->foreground_pixel); | |
f451eb13 | 8115 | |
12ba150f JB |
8116 | /* Draw the empty space below the handle. Note that we can't |
8117 | clear zero-height areas; that means "clear to end of window." */ | |
8118 | if (end < inside_height) | |
334208b7 | 8119 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 8120 | |
12ba150f | 8121 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
8122 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
8123 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
8124 | inside_width, inside_height - end, |
8125 | False); | |
f451eb13 | 8126 | |
f451eb13 JB |
8127 | } |
8128 | ||
f451eb13 JB |
8129 | UNBLOCK_INPUT; |
8130 | } | |
8131 | ||
5c187dee | 8132 | #endif /* !USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 | 8133 | |
06a2c219 GM |
8134 | /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to |
8135 | nil. */ | |
58769bee | 8136 | |
12ba150f | 8137 | static void |
ab648270 JB |
8138 | x_scroll_bar_remove (bar) |
8139 | struct scroll_bar *bar; | |
12ba150f | 8140 | { |
12ba150f JB |
8141 | BLOCK_INPUT; |
8142 | ||
06a2c219 GM |
8143 | #if USE_TOOLKIT_SCROLL_BARS |
8144 | XtDestroyWidget (SCROLL_BAR_X_WIDGET (bar)); | |
8145 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
5c187dee GM |
8146 | { |
8147 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
8148 | XDestroyWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); | |
8149 | } | |
06a2c219 GM |
8150 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
8151 | ||
ab648270 JB |
8152 | /* Disassociate this scroll bar from its window. */ |
8153 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
8154 | |
8155 | UNBLOCK_INPUT; | |
8156 | } | |
8157 | ||
06a2c219 | 8158 | |
12ba150f JB |
8159 | /* Set the handle of the vertical scroll bar for WINDOW to indicate |
8160 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 8161 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f | 8162 | create one. */ |
06a2c219 | 8163 | |
12ba150f | 8164 | static void |
06a2c219 GM |
8165 | XTset_vertical_scroll_bar (w, portion, whole, position) |
8166 | struct window *w; | |
f451eb13 JB |
8167 | int portion, whole, position; |
8168 | { | |
06a2c219 | 8169 | struct frame *f = XFRAME (w->frame); |
ab648270 | 8170 | struct scroll_bar *bar; |
3c6ede7b | 8171 | int top, height, left, sb_left, width, sb_width; |
06a2c219 | 8172 | int window_x, window_y, window_width, window_height; |
06a2c219 | 8173 | |
3c6ede7b | 8174 | /* Get window dimensions. */ |
06a2c219 | 8175 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); |
3c6ede7b GM |
8176 | top = window_y; |
8177 | width = FRAME_SCROLL_BAR_COLS (f) * CANON_X_UNIT (f); | |
8178 | height = window_height; | |
06a2c219 | 8179 | |
3c6ede7b | 8180 | /* Compute the left edge of the scroll bar area. */ |
06a2c219 | 8181 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) |
3c6ede7b GM |
8182 | left = XINT (w->left) + XINT (w->width) - FRAME_SCROLL_BAR_COLS (f); |
8183 | else | |
8184 | left = XFASTINT (w->left); | |
8185 | left *= CANON_X_UNIT (f); | |
8186 | left += FRAME_INTERNAL_BORDER_WIDTH (f); | |
8187 | ||
8188 | /* Compute the width of the scroll bar which might be less than | |
8189 | the width of the area reserved for the scroll bar. */ | |
8190 | if (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0) | |
8191 | sb_width = FRAME_SCROLL_BAR_PIXEL_WIDTH (f); | |
06a2c219 | 8192 | else |
3c6ede7b | 8193 | sb_width = width; |
12ba150f | 8194 | |
3c6ede7b GM |
8195 | /* Compute the left edge of the scroll bar. */ |
8196 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
8197 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
8198 | sb_left = left + width - sb_width - (width - sb_width) / 2; | |
8199 | else | |
8200 | sb_left = left + (width - sb_width) / 2; | |
8201 | #else | |
8202 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
8203 | sb_left = left + width - sb_width; | |
8204 | else | |
8205 | sb_left = left; | |
8206 | #endif | |
8207 | ||
ab648270 | 8208 | /* Does the scroll bar exist yet? */ |
06a2c219 | 8209 | if (NILP (w->vertical_scroll_bar)) |
3c6ede7b | 8210 | { |
80c32bcc | 8211 | BLOCK_INPUT; |
3c6ede7b GM |
8212 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
8213 | left, top, width, height, False); | |
80c32bcc | 8214 | UNBLOCK_INPUT; |
3c6ede7b GM |
8215 | bar = x_scroll_bar_create (w, top, sb_left, sb_width, height); |
8216 | } | |
f451eb13 | 8217 | else |
12ba150f JB |
8218 | { |
8219 | /* It may just need to be moved and resized. */ | |
06a2c219 GM |
8220 | unsigned int mask = 0; |
8221 | ||
8222 | bar = XSCROLL_BAR (w->vertical_scroll_bar); | |
8223 | ||
8224 | BLOCK_INPUT; | |
8225 | ||
3c6ede7b | 8226 | if (sb_left != XINT (bar->left)) |
06a2c219 | 8227 | mask |= CWX; |
3c6ede7b | 8228 | if (top != XINT (bar->top)) |
06a2c219 | 8229 | mask |= CWY; |
3c6ede7b | 8230 | if (sb_width != XINT (bar->width)) |
06a2c219 | 8231 | mask |= CWWidth; |
3c6ede7b | 8232 | if (height != XINT (bar->height)) |
06a2c219 GM |
8233 | mask |= CWHeight; |
8234 | ||
8235 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
fe6f39d9 GM |
8236 | |
8237 | /* Since toolkit scroll bars are smaller than the space reserved | |
8238 | for them on the frame, we have to clear "under" them. */ | |
8239 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
3c6ede7b | 8240 | left, top, width, height, False); |
06a2c219 GM |
8241 | |
8242 | /* Move/size the scroll bar widget. */ | |
8243 | if (mask) | |
8244 | XtConfigureWidget (SCROLL_BAR_X_WIDGET (bar), | |
3c6ede7b GM |
8245 | sb_left + VERTICAL_SCROLL_BAR_WIDTH_TRIM, |
8246 | top, | |
8247 | sb_width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, | |
8248 | height, 0); | |
06a2c219 GM |
8249 | |
8250 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
8251 | ||
e1f6572f RS |
8252 | if (VERTICAL_SCROLL_BAR_WIDTH_TRIM) |
8253 | { | |
8254 | /* Clear areas not covered by the scroll bar. This makes sure a | |
8255 | previous mode line display is cleared after C-x 2 C-x 1, for | |
8256 | example. Non-toolkit scroll bars are as wide as the area | |
8257 | reserved for scroll bars - trim at both sides. */ | |
8258 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
8259 | left, top, VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
8260 | height, False); | |
8261 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
8262 | left + width - VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
8263 | top, VERTICAL_SCROLL_BAR_WIDTH_TRIM, | |
8264 | height, False); | |
8265 | } | |
06a2c219 GM |
8266 | |
8267 | /* Move/size the scroll bar window. */ | |
8268 | if (mask) | |
8269 | { | |
8270 | XWindowChanges wc; | |
8271 | ||
3c6ede7b GM |
8272 | wc.x = sb_left + VERTICAL_SCROLL_BAR_WIDTH_TRIM; |
8273 | wc.y = top; | |
8274 | wc.width = sb_width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2; | |
8275 | wc.height = height; | |
06a2c219 GM |
8276 | XConfigureWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar), |
8277 | mask, &wc); | |
8278 | } | |
8279 | ||
8280 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ | |
8281 | ||
8282 | /* Remember new settings. */ | |
3c6ede7b GM |
8283 | XSETINT (bar->left, sb_left); |
8284 | XSETINT (bar->top, top); | |
8285 | XSETINT (bar->width, sb_width); | |
8286 | XSETINT (bar->height, height); | |
06a2c219 GM |
8287 | |
8288 | UNBLOCK_INPUT; | |
12ba150f | 8289 | } |
f451eb13 | 8290 | |
06a2c219 GM |
8291 | #if USE_TOOLKIT_SCROLL_BARS |
8292 | x_set_toolkit_scroll_bar_thumb (bar, portion, position, whole); | |
8293 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
ab648270 | 8294 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 8295 | dragged. */ |
12ba150f | 8296 | if (NILP (bar->dragging)) |
f451eb13 | 8297 | { |
92857db0 | 8298 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, height); |
f451eb13 | 8299 | |
12ba150f | 8300 | if (whole == 0) |
ab648270 | 8301 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
8302 | else |
8303 | { | |
43f868f5 JB |
8304 | int start = ((double) position * top_range) / whole; |
8305 | int end = ((double) (position + portion) * top_range) / whole; | |
ab648270 | 8306 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 8307 | } |
f451eb13 | 8308 | } |
06a2c219 | 8309 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
f451eb13 | 8310 | |
06a2c219 | 8311 | XSETVECTOR (w->vertical_scroll_bar, bar); |
f451eb13 JB |
8312 | } |
8313 | ||
12ba150f | 8314 | |
f451eb13 | 8315 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 8316 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 8317 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
8318 | away is a real pain - "Can you say set-window-configuration, boys |
8319 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 8320 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 8321 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 8322 | |
ab648270 JB |
8323 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
8324 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
06a2c219 GM |
8325 | `*redeem_scroll_bar_hook' is applied to its window before the judgment. */ |
8326 | ||
58769bee | 8327 | static void |
ab648270 | 8328 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
8329 | FRAME_PTR frame; |
8330 | { | |
f9e24cb9 RS |
8331 | /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */ |
8332 | while (! NILP (FRAME_SCROLL_BARS (frame))) | |
8333 | { | |
8334 | Lisp_Object bar; | |
8335 | bar = FRAME_SCROLL_BARS (frame); | |
8336 | FRAME_SCROLL_BARS (frame) = XSCROLL_BAR (bar)->next; | |
8337 | XSCROLL_BAR (bar)->next = FRAME_CONDEMNED_SCROLL_BARS (frame); | |
8338 | XSCROLL_BAR (bar)->prev = Qnil; | |
8339 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
8340 | XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame))->prev = bar; | |
8341 | FRAME_CONDEMNED_SCROLL_BARS (frame) = bar; | |
8342 | } | |
f451eb13 JB |
8343 | } |
8344 | ||
06a2c219 | 8345 | /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle. |
12ba150f | 8346 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 8347 | static void |
ab648270 | 8348 | XTredeem_scroll_bar (window) |
12ba150f | 8349 | struct window *window; |
f451eb13 | 8350 | { |
ab648270 | 8351 | struct scroll_bar *bar; |
12ba150f | 8352 | |
ab648270 JB |
8353 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
8354 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
8355 | abort (); |
8356 | ||
ab648270 | 8357 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
8358 | |
8359 | /* Unlink it from the condemned list. */ | |
8360 | { | |
8361 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
8362 | ||
8363 | if (NILP (bar->prev)) | |
8364 | { | |
8365 | /* If the prev pointer is nil, it must be the first in one of | |
8366 | the lists. */ | |
ab648270 | 8367 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
8368 | /* It's not condemned. Everything's fine. */ |
8369 | return; | |
ab648270 JB |
8370 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
8371 | window->vertical_scroll_bar)) | |
8372 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
8373 | else |
8374 | /* If its prev pointer is nil, it must be at the front of | |
8375 | one or the other! */ | |
8376 | abort (); | |
8377 | } | |
8378 | else | |
ab648270 | 8379 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
8380 | |
8381 | if (! NILP (bar->next)) | |
ab648270 | 8382 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 8383 | |
ab648270 | 8384 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 8385 | bar->prev = Qnil; |
e0c1aef2 | 8386 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 8387 | if (! NILP (bar->next)) |
e0c1aef2 | 8388 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
12ba150f | 8389 | } |
f451eb13 JB |
8390 | } |
8391 | ||
ab648270 JB |
8392 | /* Remove all scroll bars on FRAME that haven't been saved since the |
8393 | last call to `*condemn_scroll_bars_hook'. */ | |
06a2c219 | 8394 | |
f451eb13 | 8395 | static void |
ab648270 | 8396 | XTjudge_scroll_bars (f) |
12ba150f | 8397 | FRAME_PTR f; |
f451eb13 | 8398 | { |
12ba150f | 8399 | Lisp_Object bar, next; |
f451eb13 | 8400 | |
ab648270 | 8401 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
8402 | |
8403 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
8404 | more events on the hapless scroll bars. */ |
8405 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
8406 | |
8407 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 8408 | { |
ab648270 | 8409 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 8410 | |
ab648270 | 8411 | x_scroll_bar_remove (b); |
12ba150f JB |
8412 | |
8413 | next = b->next; | |
8414 | b->next = b->prev = Qnil; | |
f451eb13 | 8415 | } |
12ba150f | 8416 | |
ab648270 | 8417 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 8418 | and they should get garbage-collected. */ |
f451eb13 JB |
8419 | } |
8420 | ||
8421 | ||
06a2c219 GM |
8422 | /* Handle an Expose or GraphicsExpose event on a scroll bar. This |
8423 | is a no-op when using toolkit scroll bars. | |
ab648270 JB |
8424 | |
8425 | This may be called from a signal handler, so we have to ignore GC | |
8426 | mark bits. */ | |
06a2c219 | 8427 | |
f451eb13 | 8428 | static void |
ab648270 JB |
8429 | x_scroll_bar_expose (bar, event) |
8430 | struct scroll_bar *bar; | |
f451eb13 JB |
8431 | XEvent *event; |
8432 | { | |
06a2c219 GM |
8433 | #ifndef USE_TOOLKIT_SCROLL_BARS |
8434 | ||
ab648270 | 8435 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 | 8436 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7556890b | 8437 | GC gc = f->output_data.x->normal_gc; |
3cbd2e0b | 8438 | int width_trim = VERTICAL_SCROLL_BAR_WIDTH_TRIM; |
12ba150f | 8439 | |
f451eb13 JB |
8440 | BLOCK_INPUT; |
8441 | ||
ab648270 | 8442 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 8443 | |
06a2c219 | 8444 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
334208b7 | 8445 | XDrawRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 JB |
8446 | |
8447 | /* x, y, width, height */ | |
d9cdbb3d | 8448 | 0, 0, |
3cbd2e0b | 8449 | XINT (bar->width) - 1 - width_trim - width_trim, |
d9cdbb3d RS |
8450 | XINT (bar->height) - 1); |
8451 | ||
f451eb13 | 8452 | UNBLOCK_INPUT; |
06a2c219 GM |
8453 | |
8454 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ | |
f451eb13 JB |
8455 | } |
8456 | ||
ab648270 JB |
8457 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
8458 | is set to something other than no_event, it is enqueued. | |
8459 | ||
8460 | This may be called from a signal handler, so we have to ignore GC | |
8461 | mark bits. */ | |
06a2c219 | 8462 | |
5c187dee GM |
8463 | #ifndef USE_TOOLKIT_SCROLL_BARS |
8464 | ||
f451eb13 | 8465 | static void |
ab648270 JB |
8466 | x_scroll_bar_handle_click (bar, event, emacs_event) |
8467 | struct scroll_bar *bar; | |
f451eb13 JB |
8468 | XEvent *event; |
8469 | struct input_event *emacs_event; | |
8470 | { | |
0299d313 | 8471 | if (! GC_WINDOWP (bar->window)) |
12ba150f JB |
8472 | abort (); |
8473 | ||
ab648270 | 8474 | emacs_event->kind = scroll_bar_click; |
69388238 | 8475 | emacs_event->code = event->xbutton.button - Button1; |
0299d313 RS |
8476 | emacs_event->modifiers |
8477 | = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO | |
8478 | (XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))), | |
8479 | event->xbutton.state) | |
8480 | | (event->type == ButtonRelease | |
8481 | ? up_modifier | |
8482 | : down_modifier)); | |
12ba150f | 8483 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 8484 | emacs_event->timestamp = event->xbutton.time; |
12ba150f | 8485 | { |
06a2c219 | 8486 | #if 0 |
d9cdbb3d | 8487 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
0299d313 | 8488 | int internal_height |
d9cdbb3d | 8489 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, XINT (bar->height)); |
06a2c219 | 8490 | #endif |
0299d313 | 8491 | int top_range |
d9cdbb3d | 8492 | = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
ab648270 | 8493 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
8494 | |
8495 | if (y < 0) y = 0; | |
8496 | if (y > top_range) y = top_range; | |
8497 | ||
8498 | if (y < XINT (bar->start)) | |
ab648270 JB |
8499 | emacs_event->part = scroll_bar_above_handle; |
8500 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
8501 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 8502 | else |
ab648270 | 8503 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
8504 | |
8505 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
8506 | they want to drag it. Lisp code needs to be able to decide |
8507 | whether or not we're dragging. */ | |
929787e1 | 8508 | #if 0 |
12ba150f JB |
8509 | /* If the user has just clicked on the handle, record where they're |
8510 | holding it. */ | |
8511 | if (event->type == ButtonPress | |
ab648270 | 8512 | && emacs_event->part == scroll_bar_handle) |
e0c1aef2 | 8513 | XSETINT (bar->dragging, y - XINT (bar->start)); |
929787e1 | 8514 | #endif |
12ba150f JB |
8515 | |
8516 | /* If the user has released the handle, set it to its final position. */ | |
8517 | if (event->type == ButtonRelease | |
8518 | && ! NILP (bar->dragging)) | |
8519 | { | |
8520 | int new_start = y - XINT (bar->dragging); | |
8521 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 8522 | |
ab648270 | 8523 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
8524 | bar->dragging = Qnil; |
8525 | } | |
f451eb13 | 8526 | |
5116f055 JB |
8527 | /* Same deal here as the other #if 0. */ |
8528 | #if 0 | |
58769bee | 8529 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 8530 | the handle. */ |
ab648270 | 8531 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
8532 | emacs_event->x = bar->start; |
8533 | else | |
e0c1aef2 | 8534 | XSETINT (emacs_event->x, y); |
5116f055 | 8535 | #else |
e0c1aef2 | 8536 | XSETINT (emacs_event->x, y); |
5116f055 | 8537 | #endif |
f451eb13 | 8538 | |
e0c1aef2 | 8539 | XSETINT (emacs_event->y, top_range); |
12ba150f JB |
8540 | } |
8541 | } | |
f451eb13 | 8542 | |
ab648270 JB |
8543 | /* Handle some mouse motion while someone is dragging the scroll bar. |
8544 | ||
8545 | This may be called from a signal handler, so we have to ignore GC | |
8546 | mark bits. */ | |
06a2c219 | 8547 | |
f451eb13 | 8548 | static void |
ab648270 JB |
8549 | x_scroll_bar_note_movement (bar, event) |
8550 | struct scroll_bar *bar; | |
f451eb13 JB |
8551 | XEvent *event; |
8552 | { | |
39d8bb4d KH |
8553 | FRAME_PTR f = XFRAME (XWINDOW (bar->window)->frame); |
8554 | ||
f451eb13 JB |
8555 | last_mouse_movement_time = event->xmotion.time; |
8556 | ||
39d8bb4d | 8557 | f->mouse_moved = 1; |
e0c1aef2 | 8558 | XSETVECTOR (last_mouse_scroll_bar, bar); |
f451eb13 JB |
8559 | |
8560 | /* If we're dragging the bar, display it. */ | |
ab648270 | 8561 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
8562 | { |
8563 | /* Where should the handle be now? */ | |
12ba150f | 8564 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 8565 | |
12ba150f | 8566 | if (new_start != XINT (bar->start)) |
f451eb13 | 8567 | { |
12ba150f | 8568 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
58769bee | 8569 | |
ab648270 | 8570 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
8571 | } |
8572 | } | |
f451eb13 JB |
8573 | } |
8574 | ||
5c187dee GM |
8575 | #endif /* !USE_TOOLKIT_SCROLL_BARS */ |
8576 | ||
12ba150f | 8577 | /* Return information to the user about the current position of the mouse |
ab648270 | 8578 | on the scroll bar. */ |
06a2c219 | 8579 | |
12ba150f | 8580 | static void |
334208b7 RS |
8581 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
8582 | FRAME_PTR *fp; | |
12ba150f | 8583 | Lisp_Object *bar_window; |
ab648270 | 8584 | enum scroll_bar_part *part; |
12ba150f JB |
8585 | Lisp_Object *x, *y; |
8586 | unsigned long *time; | |
8587 | { | |
ab648270 | 8588 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
334208b7 RS |
8589 | Window w = SCROLL_BAR_X_WINDOW (bar); |
8590 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
12ba150f | 8591 | int win_x, win_y; |
559cb2fb JB |
8592 | Window dummy_window; |
8593 | int dummy_coord; | |
8594 | unsigned int dummy_mask; | |
12ba150f | 8595 | |
cf7cb199 JB |
8596 | BLOCK_INPUT; |
8597 | ||
ab648270 | 8598 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 8599 | report that. */ |
334208b7 | 8600 | if (! XQueryPointer (FRAME_X_DISPLAY (f), w, |
12ba150f | 8601 | |
559cb2fb JB |
8602 | /* Root, child, root x and root y. */ |
8603 | &dummy_window, &dummy_window, | |
8604 | &dummy_coord, &dummy_coord, | |
12ba150f | 8605 | |
559cb2fb JB |
8606 | /* Position relative to scroll bar. */ |
8607 | &win_x, &win_y, | |
12ba150f | 8608 | |
559cb2fb JB |
8609 | /* Mouse buttons and modifier keys. */ |
8610 | &dummy_mask)) | |
7a13e894 | 8611 | ; |
559cb2fb JB |
8612 | else |
8613 | { | |
06a2c219 | 8614 | #if 0 |
559cb2fb | 8615 | int inside_height |
d9cdbb3d | 8616 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (f, XINT (bar->height)); |
06a2c219 | 8617 | #endif |
559cb2fb | 8618 | int top_range |
d9cdbb3d | 8619 | = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
559cb2fb JB |
8620 | |
8621 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
8622 | ||
8623 | if (! NILP (bar->dragging)) | |
8624 | win_y -= XINT (bar->dragging); | |
8625 | ||
8626 | if (win_y < 0) | |
8627 | win_y = 0; | |
8628 | if (win_y > top_range) | |
8629 | win_y = top_range; | |
8630 | ||
334208b7 | 8631 | *fp = f; |
7a13e894 | 8632 | *bar_window = bar->window; |
559cb2fb JB |
8633 | |
8634 | if (! NILP (bar->dragging)) | |
8635 | *part = scroll_bar_handle; | |
8636 | else if (win_y < XINT (bar->start)) | |
8637 | *part = scroll_bar_above_handle; | |
8638 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
8639 | *part = scroll_bar_handle; | |
8640 | else | |
8641 | *part = scroll_bar_below_handle; | |
12ba150f | 8642 | |
e0c1aef2 KH |
8643 | XSETINT (*x, win_y); |
8644 | XSETINT (*y, top_range); | |
12ba150f | 8645 | |
39d8bb4d | 8646 | f->mouse_moved = 0; |
559cb2fb JB |
8647 | last_mouse_scroll_bar = Qnil; |
8648 | } | |
12ba150f | 8649 | |
559cb2fb | 8650 | *time = last_mouse_movement_time; |
cf7cb199 | 8651 | |
cf7cb199 | 8652 | UNBLOCK_INPUT; |
12ba150f JB |
8653 | } |
8654 | ||
f451eb13 | 8655 | |
dbc4e1c1 | 8656 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
8657 | background colors, and the scroll bars may need to be redrawn. |
8658 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
8659 | redraw them. */ |
8660 | ||
dfcf069d | 8661 | void |
ab648270 | 8662 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
8663 | FRAME_PTR f; |
8664 | { | |
06a2c219 | 8665 | #ifndef USE_TOOLKIT_SCROLL_BARS |
dbc4e1c1 JB |
8666 | Lisp_Object bar; |
8667 | ||
b80c363e RS |
8668 | /* We can have scroll bars even if this is 0, |
8669 | if we just turned off scroll bar mode. | |
8670 | But in that case we should not clear them. */ | |
8671 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
8672 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
8673 | bar = XSCROLL_BAR (bar)->next) | |
8674 | XClearArea (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
8675 | 0, 0, 0, 0, True); | |
06a2c219 | 8676 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
dbc4e1c1 JB |
8677 | } |
8678 | ||
06a2c219 | 8679 | /* This processes Expose events from the menu-bar specific X event |
19126e11 | 8680 | loop in xmenu.c. This allows to redisplay the frame if necessary |
06a2c219 | 8681 | when handling menu-bar or pop-up items. */ |
3afe33e7 | 8682 | |
06a2c219 | 8683 | int |
3afe33e7 RS |
8684 | process_expose_from_menu (event) |
8685 | XEvent event; | |
8686 | { | |
8687 | FRAME_PTR f; | |
19126e11 | 8688 | struct x_display_info *dpyinfo; |
06a2c219 | 8689 | int frame_exposed_p = 0; |
3afe33e7 | 8690 | |
f94397b5 KH |
8691 | BLOCK_INPUT; |
8692 | ||
19126e11 KH |
8693 | dpyinfo = x_display_info_for_display (event.xexpose.display); |
8694 | f = x_window_to_frame (dpyinfo, event.xexpose.window); | |
3afe33e7 RS |
8695 | if (f) |
8696 | { | |
8697 | if (f->async_visible == 0) | |
8698 | { | |
8699 | f->async_visible = 1; | |
8700 | f->async_iconified = 0; | |
06c488fd | 8701 | f->output_data.x->has_been_visible = 1; |
3afe33e7 RS |
8702 | SET_FRAME_GARBAGED (f); |
8703 | } | |
8704 | else | |
8705 | { | |
06a2c219 GM |
8706 | expose_frame (x_window_to_frame (dpyinfo, event.xexpose.window), |
8707 | event.xexpose.x, event.xexpose.y, | |
8708 | event.xexpose.width, event.xexpose.height); | |
8709 | frame_exposed_p = 1; | |
3afe33e7 RS |
8710 | } |
8711 | } | |
8712 | else | |
8713 | { | |
8714 | struct scroll_bar *bar | |
8715 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 8716 | |
3afe33e7 RS |
8717 | if (bar) |
8718 | x_scroll_bar_expose (bar, &event); | |
8719 | } | |
f94397b5 KH |
8720 | |
8721 | UNBLOCK_INPUT; | |
06a2c219 | 8722 | return frame_exposed_p; |
3afe33e7 | 8723 | } |
09756a85 RS |
8724 | \f |
8725 | /* Define a queue to save up SelectionRequest events for later handling. */ | |
8726 | ||
8727 | struct selection_event_queue | |
8728 | { | |
8729 | XEvent event; | |
8730 | struct selection_event_queue *next; | |
8731 | }; | |
8732 | ||
8733 | static struct selection_event_queue *queue; | |
8734 | ||
8735 | /* Nonzero means queue up certain events--don't process them yet. */ | |
06a2c219 | 8736 | |
09756a85 RS |
8737 | static int x_queue_selection_requests; |
8738 | ||
8739 | /* Queue up an X event *EVENT, to be processed later. */ | |
dbc4e1c1 | 8740 | |
09756a85 | 8741 | static void |
334208b7 RS |
8742 | x_queue_event (f, event) |
8743 | FRAME_PTR f; | |
09756a85 RS |
8744 | XEvent *event; |
8745 | { | |
8746 | struct selection_event_queue *queue_tmp | |
06a2c219 | 8747 | = (struct selection_event_queue *) xmalloc (sizeof (struct selection_event_queue)); |
09756a85 | 8748 | |
58769bee | 8749 | if (queue_tmp != NULL) |
09756a85 RS |
8750 | { |
8751 | queue_tmp->event = *event; | |
8752 | queue_tmp->next = queue; | |
8753 | queue = queue_tmp; | |
8754 | } | |
8755 | } | |
8756 | ||
8757 | /* Take all the queued events and put them back | |
8758 | so that they get processed afresh. */ | |
8759 | ||
8760 | static void | |
db3906fd RS |
8761 | x_unqueue_events (display) |
8762 | Display *display; | |
09756a85 | 8763 | { |
58769bee | 8764 | while (queue != NULL) |
09756a85 RS |
8765 | { |
8766 | struct selection_event_queue *queue_tmp = queue; | |
db3906fd | 8767 | XPutBackEvent (display, &queue_tmp->event); |
09756a85 | 8768 | queue = queue_tmp->next; |
06a2c219 | 8769 | xfree ((char *)queue_tmp); |
09756a85 RS |
8770 | } |
8771 | } | |
8772 | ||
8773 | /* Start queuing SelectionRequest events. */ | |
8774 | ||
8775 | void | |
db3906fd RS |
8776 | x_start_queuing_selection_requests (display) |
8777 | Display *display; | |
09756a85 RS |
8778 | { |
8779 | x_queue_selection_requests++; | |
8780 | } | |
8781 | ||
8782 | /* Stop queuing SelectionRequest events. */ | |
8783 | ||
8784 | void | |
db3906fd RS |
8785 | x_stop_queuing_selection_requests (display) |
8786 | Display *display; | |
09756a85 RS |
8787 | { |
8788 | x_queue_selection_requests--; | |
db3906fd | 8789 | x_unqueue_events (display); |
09756a85 | 8790 | } |
f451eb13 JB |
8791 | \f |
8792 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 8793 | |
06a2c219 | 8794 | /* Time stamp of enter window event. This is only used by XTread_socket, |
dc6f92b8 JB |
8795 | but we have to put it out here, since static variables within functions |
8796 | sometimes don't work. */ | |
06a2c219 | 8797 | |
dc6f92b8 JB |
8798 | static Time enter_timestamp; |
8799 | ||
11edeb03 | 8800 | /* This holds the state XLookupString needs to implement dead keys |
58769bee | 8801 | and other tricks known as "compose processing". _X Window System_ |
11edeb03 JB |
8802 | says that a portable program can't use this, but Stephen Gildea assures |
8803 | me that letting the compiler initialize it to zeros will work okay. | |
8804 | ||
8805 | This must be defined outside of XTread_socket, for the same reasons | |
06a2c219 GM |
8806 | given for enter_time stamp, above. */ |
8807 | ||
11edeb03 JB |
8808 | static XComposeStatus compose_status; |
8809 | ||
10e6549c RS |
8810 | /* Record the last 100 characters stored |
8811 | to help debug the loss-of-chars-during-GC problem. */ | |
06a2c219 | 8812 | |
2224b905 RS |
8813 | static int temp_index; |
8814 | static short temp_buffer[100]; | |
10e6549c | 8815 | |
7a13e894 RS |
8816 | /* Set this to nonzero to fake an "X I/O error" |
8817 | on a particular display. */ | |
06a2c219 | 8818 | |
7a13e894 RS |
8819 | struct x_display_info *XTread_socket_fake_io_error; |
8820 | ||
2224b905 RS |
8821 | /* When we find no input here, we occasionally do a no-op command |
8822 | to verify that the X server is still running and we can still talk with it. | |
8823 | We try all the open displays, one by one. | |
8824 | This variable is used for cycling thru the displays. */ | |
06a2c219 | 8825 | |
2224b905 RS |
8826 | static struct x_display_info *next_noop_dpyinfo; |
8827 | ||
06a2c219 GM |
8828 | #define SET_SAVED_MENU_EVENT(size) \ |
8829 | do \ | |
8830 | { \ | |
8831 | if (f->output_data.x->saved_menu_event == 0) \ | |
8832 | f->output_data.x->saved_menu_event \ | |
8833 | = (XEvent *) xmalloc (sizeof (XEvent)); \ | |
8834 | bcopy (&event, f->output_data.x->saved_menu_event, size); \ | |
8835 | if (numchars >= 1) \ | |
8836 | { \ | |
8837 | bufp->kind = menu_bar_activate_event; \ | |
8838 | XSETFRAME (bufp->frame_or_window, f); \ | |
8839 | bufp++; \ | |
8840 | count++; \ | |
8841 | numchars--; \ | |
8842 | } \ | |
8843 | } \ | |
8844 | while (0) | |
8845 | ||
8805890a | 8846 | #define SET_SAVED_BUTTON_EVENT SET_SAVED_MENU_EVENT (sizeof (XButtonEvent)) |
06a2c219 | 8847 | #define SET_SAVED_KEY_EVENT SET_SAVED_MENU_EVENT (sizeof (XKeyEvent)) |
8805890a | 8848 | |
dc6f92b8 JB |
8849 | /* Read events coming from the X server. |
8850 | This routine is called by the SIGIO handler. | |
8851 | We return as soon as there are no more events to be read. | |
8852 | ||
8853 | Events representing keys are stored in buffer BUFP, | |
8854 | which can hold up to NUMCHARS characters. | |
8855 | We return the number of characters stored into the buffer, | |
8856 | thus pretending to be `read'. | |
8857 | ||
dc6f92b8 JB |
8858 | EXPECTED is nonzero if the caller knows input is available. */ |
8859 | ||
7c5283e4 | 8860 | int |
f66868ba | 8861 | XTread_socket (sd, bufp, numchars, expected) |
dc6f92b8 | 8862 | register int sd; |
8805890a KH |
8863 | /* register */ struct input_event *bufp; |
8864 | /* register */ int numchars; | |
dc6f92b8 JB |
8865 | int expected; |
8866 | { | |
8867 | int count = 0; | |
8868 | int nbytes = 0; | |
dc6f92b8 | 8869 | XEvent event; |
f676886a | 8870 | struct frame *f; |
66f55a9d | 8871 | int event_found = 0; |
334208b7 | 8872 | struct x_display_info *dpyinfo; |
dc6f92b8 | 8873 | |
9ac0d9e0 | 8874 | if (interrupt_input_blocked) |
dc6f92b8 | 8875 | { |
9ac0d9e0 | 8876 | interrupt_input_pending = 1; |
dc6f92b8 JB |
8877 | return -1; |
8878 | } | |
8879 | ||
9ac0d9e0 | 8880 | interrupt_input_pending = 0; |
dc6f92b8 | 8881 | BLOCK_INPUT; |
c0a04927 RS |
8882 | |
8883 | /* So people can tell when we have read the available input. */ | |
8884 | input_signal_count++; | |
8885 | ||
dc6f92b8 | 8886 | if (numchars <= 0) |
06a2c219 | 8887 | abort (); /* Don't think this happens. */ |
dc6f92b8 | 8888 | |
7a13e894 RS |
8889 | /* Find the display we are supposed to read input for. |
8890 | It's the one communicating on descriptor SD. */ | |
8891 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
8892 | { | |
8893 | #if 0 /* This ought to be unnecessary; let's verify it. */ | |
dc6f92b8 | 8894 | #ifdef FIOSNBIO |
7a13e894 RS |
8895 | /* If available, Xlib uses FIOSNBIO to make the socket |
8896 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
e6cbea31 | 8897 | FIOSNBIO is ignored, and instead of signaling EWOULDBLOCK, |
06a2c219 | 8898 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ |
7a13e894 | 8899 | fcntl (dpyinfo->connection, F_SETFL, 0); |
c118dd06 | 8900 | #endif /* ! defined (FIOSNBIO) */ |
7a13e894 | 8901 | #endif |
dc6f92b8 | 8902 | |
7a13e894 RS |
8903 | #if 0 /* This code can't be made to work, with multiple displays, |
8904 | and appears not to be used on any system any more. | |
8905 | Also keyboard.c doesn't turn O_NDELAY on and off | |
8906 | for X connections. */ | |
dc6f92b8 JB |
8907 | #ifndef SIGIO |
8908 | #ifndef HAVE_SELECT | |
7a13e894 RS |
8909 | if (! (fcntl (dpyinfo->connection, F_GETFL, 0) & O_NDELAY)) |
8910 | { | |
8911 | extern int read_alarm_should_throw; | |
8912 | read_alarm_should_throw = 1; | |
8913 | XPeekEvent (dpyinfo->display, &event); | |
8914 | read_alarm_should_throw = 0; | |
8915 | } | |
c118dd06 JB |
8916 | #endif /* HAVE_SELECT */ |
8917 | #endif /* SIGIO */ | |
7a13e894 | 8918 | #endif |
dc6f92b8 | 8919 | |
7a13e894 RS |
8920 | /* For debugging, this gives a way to fake an I/O error. */ |
8921 | if (dpyinfo == XTread_socket_fake_io_error) | |
8922 | { | |
8923 | XTread_socket_fake_io_error = 0; | |
8924 | x_io_error_quitter (dpyinfo->display); | |
8925 | } | |
dc6f92b8 | 8926 | |
06a2c219 | 8927 | while (XPending (dpyinfo->display)) |
dc6f92b8 | 8928 | { |
7a13e894 | 8929 | XNextEvent (dpyinfo->display, &event); |
06a2c219 | 8930 | |
531483fb | 8931 | #ifdef HAVE_X_I18N |
d1bc4182 | 8932 | { |
f2be1146 GM |
8933 | /* Filter events for the current X input method. |
8934 | XFilterEvent returns non-zero if the input method has | |
8935 | consumed the event. We pass the frame's X window to | |
8936 | XFilterEvent because that's the one for which the IC | |
8937 | was created. */ | |
f5d11644 GM |
8938 | struct frame *f1 = x_any_window_to_frame (dpyinfo, |
8939 | event.xclient.window); | |
8940 | if (XFilterEvent (&event, f1 ? FRAME_X_WINDOW (f1) : None)) | |
d1bc4182 RS |
8941 | break; |
8942 | } | |
0cd6403b | 8943 | #endif |
7a13e894 RS |
8944 | event_found = 1; |
8945 | ||
8946 | switch (event.type) | |
8947 | { | |
8948 | case ClientMessage: | |
c047688c | 8949 | { |
7a13e894 RS |
8950 | if (event.xclient.message_type |
8951 | == dpyinfo->Xatom_wm_protocols | |
8952 | && event.xclient.format == 32) | |
c047688c | 8953 | { |
7a13e894 RS |
8954 | if (event.xclient.data.l[0] |
8955 | == dpyinfo->Xatom_wm_take_focus) | |
c047688c | 8956 | { |
8c1a6a84 RS |
8957 | /* Use x_any_window_to_frame because this |
8958 | could be the shell widget window | |
8959 | if the frame has no title bar. */ | |
8960 | f = x_any_window_to_frame (dpyinfo, event.xclient.window); | |
6c183ba5 RS |
8961 | #ifdef HAVE_X_I18N |
8962 | /* Not quite sure this is needed -pd */ | |
8c1a6a84 | 8963 | if (f && FRAME_XIC (f)) |
6c183ba5 RS |
8964 | XSetICFocus (FRAME_XIC (f)); |
8965 | #endif | |
f1da8f06 GM |
8966 | #if 0 /* Emacs sets WM hints whose `input' field is `true'. This |
8967 | instructs the WM to set the input focus automatically for | |
8968 | Emacs with a call to XSetInputFocus. Setting WM_TAKE_FOCUS | |
8969 | tells the WM to send us a ClientMessage WM_TAKE_FOCUS after | |
8970 | it has set the focus. So, XSetInputFocus below is not | |
8971 | needed. | |
8972 | ||
8973 | The call to XSetInputFocus below has also caused trouble. In | |
8974 | cases where the XSetInputFocus done by the WM and the one | |
8975 | below are temporally close (on a fast machine), the call | |
8976 | below can generate additional FocusIn events which confuse | |
8977 | Emacs. */ | |
8978 | ||
bf7253f4 RS |
8979 | /* Since we set WM_TAKE_FOCUS, we must call |
8980 | XSetInputFocus explicitly. But not if f is null, | |
8981 | since that might be an event for a deleted frame. */ | |
7a13e894 | 8982 | if (f) |
bf7253f4 RS |
8983 | { |
8984 | Display *d = event.xclient.display; | |
8985 | /* Catch and ignore errors, in case window has been | |
8986 | iconified by a window manager such as GWM. */ | |
8987 | int count = x_catch_errors (d); | |
8988 | XSetInputFocus (d, event.xclient.window, | |
e1f6572f RS |
8989 | /* The ICCCM says this is |
8990 | the only valid choice. */ | |
8991 | RevertToParent, | |
bf7253f4 RS |
8992 | event.xclient.data.l[1]); |
8993 | /* This is needed to detect the error | |
8994 | if there is an error. */ | |
8995 | XSync (d, False); | |
8996 | x_uncatch_errors (d, count); | |
8997 | } | |
7a13e894 | 8998 | /* Not certain about handling scroll bars here */ |
f1da8f06 | 8999 | #endif /* 0 */ |
c047688c | 9000 | } |
7a13e894 RS |
9001 | else if (event.xclient.data.l[0] |
9002 | == dpyinfo->Xatom_wm_save_yourself) | |
9003 | { | |
9004 | /* Save state modify the WM_COMMAND property to | |
06a2c219 | 9005 | something which can reinstate us. This notifies |
7a13e894 RS |
9006 | the session manager, who's looking for such a |
9007 | PropertyNotify. Can restart processing when | |
06a2c219 | 9008 | a keyboard or mouse event arrives. */ |
7a13e894 RS |
9009 | if (numchars > 0) |
9010 | { | |
19126e11 KH |
9011 | f = x_top_window_to_frame (dpyinfo, |
9012 | event.xclient.window); | |
7a13e894 RS |
9013 | |
9014 | /* This is just so we only give real data once | |
9015 | for a single Emacs process. */ | |
b86bd3dd | 9016 | if (f == SELECTED_FRAME ()) |
7a13e894 RS |
9017 | XSetCommand (FRAME_X_DISPLAY (f), |
9018 | event.xclient.window, | |
9019 | initial_argv, initial_argc); | |
f000f5c5 | 9020 | else if (f) |
7a13e894 RS |
9021 | XSetCommand (FRAME_X_DISPLAY (f), |
9022 | event.xclient.window, | |
9023 | 0, 0); | |
9024 | } | |
9025 | } | |
9026 | else if (event.xclient.data.l[0] | |
9027 | == dpyinfo->Xatom_wm_delete_window) | |
1fb20991 | 9028 | { |
19126e11 KH |
9029 | struct frame *f |
9030 | = x_any_window_to_frame (dpyinfo, | |
9031 | event.xclient.window); | |
1fb20991 | 9032 | |
7a13e894 RS |
9033 | if (f) |
9034 | { | |
9035 | if (numchars == 0) | |
9036 | abort (); | |
1fb20991 | 9037 | |
7a13e894 RS |
9038 | bufp->kind = delete_window_event; |
9039 | XSETFRAME (bufp->frame_or_window, f); | |
9040 | bufp++; | |
9041 | ||
9042 | count += 1; | |
9043 | numchars -= 1; | |
9044 | } | |
1fb20991 | 9045 | } |
c047688c | 9046 | } |
7a13e894 RS |
9047 | else if (event.xclient.message_type |
9048 | == dpyinfo->Xatom_wm_configure_denied) | |
9049 | { | |
9050 | } | |
9051 | else if (event.xclient.message_type | |
9052 | == dpyinfo->Xatom_wm_window_moved) | |
9053 | { | |
9054 | int new_x, new_y; | |
19126e11 KH |
9055 | struct frame *f |
9056 | = x_window_to_frame (dpyinfo, event.xclient.window); | |
58769bee | 9057 | |
7a13e894 RS |
9058 | new_x = event.xclient.data.s[0]; |
9059 | new_y = event.xclient.data.s[1]; | |
1fb20991 | 9060 | |
7a13e894 RS |
9061 | if (f) |
9062 | { | |
7556890b RS |
9063 | f->output_data.x->left_pos = new_x; |
9064 | f->output_data.x->top_pos = new_y; | |
7a13e894 | 9065 | } |
1fb20991 | 9066 | } |
0fdff6bb | 9067 | #ifdef HACK_EDITRES |
7a13e894 RS |
9068 | else if (event.xclient.message_type |
9069 | == dpyinfo->Xatom_editres) | |
9070 | { | |
19126e11 KH |
9071 | struct frame *f |
9072 | = x_any_window_to_frame (dpyinfo, event.xclient.window); | |
7556890b | 9073 | _XEditResCheckMessages (f->output_data.x->widget, NULL, |
19126e11 | 9074 | &event, NULL); |
7a13e894 | 9075 | } |
0fdff6bb | 9076 | #endif /* HACK_EDITRES */ |
06a2c219 GM |
9077 | else if ((event.xclient.message_type |
9078 | == dpyinfo->Xatom_DONE) | |
9079 | || (event.xclient.message_type | |
9080 | == dpyinfo->Xatom_PAGE)) | |
9081 | { | |
9082 | /* Ghostview job completed. Kill it. We could | |
9083 | reply with "Next" if we received "Page", but we | |
9084 | currently never do because we are interested in | |
9085 | images, only, which should have 1 page. */ | |
06a2c219 GM |
9086 | Pixmap pixmap = (Pixmap) event.xclient.data.l[1]; |
9087 | struct frame *f | |
9088 | = x_window_to_frame (dpyinfo, event.xclient.window); | |
9089 | x_kill_gs_process (pixmap, f); | |
9090 | expose_frame (f, 0, 0, 0, 0); | |
9091 | } | |
9092 | #ifdef USE_TOOLKIT_SCROLL_BARS | |
9093 | /* Scroll bar callbacks send a ClientMessage from which | |
9094 | we construct an input_event. */ | |
9095 | else if (event.xclient.message_type | |
9096 | == dpyinfo->Xatom_Scrollbar) | |
9097 | { | |
9098 | x_scroll_bar_to_input_event (&event, bufp); | |
9099 | ++bufp, ++count, --numchars; | |
9100 | goto out; | |
9101 | } | |
9102 | #endif /* USE_TOOLKIT_SCROLL_BARS */ | |
9103 | else | |
9104 | goto OTHER; | |
7a13e894 RS |
9105 | } |
9106 | break; | |
dc6f92b8 | 9107 | |
7a13e894 | 9108 | case SelectionNotify: |
3afe33e7 | 9109 | #ifdef USE_X_TOOLKIT |
19126e11 | 9110 | if (! x_window_to_frame (dpyinfo, event.xselection.requestor)) |
7a13e894 | 9111 | goto OTHER; |
3afe33e7 | 9112 | #endif /* not USE_X_TOOLKIT */ |
dfcf069d | 9113 | x_handle_selection_notify (&event.xselection); |
7a13e894 | 9114 | break; |
d56a553a | 9115 | |
06a2c219 | 9116 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 9117 | #ifdef USE_X_TOOLKIT |
19126e11 | 9118 | if (! x_window_to_frame (dpyinfo, event.xselectionclear.window)) |
7a13e894 | 9119 | goto OTHER; |
3afe33e7 | 9120 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
9121 | { |
9122 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
d56a553a | 9123 | |
7a13e894 RS |
9124 | if (numchars == 0) |
9125 | abort (); | |
d56a553a | 9126 | |
7a13e894 RS |
9127 | bufp->kind = selection_clear_event; |
9128 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
9129 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
9130 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
e6cbea31 | 9131 | bufp->frame_or_window = Qnil; |
7a13e894 | 9132 | bufp++; |
d56a553a | 9133 | |
7a13e894 RS |
9134 | count += 1; |
9135 | numchars -= 1; | |
9136 | } | |
9137 | break; | |
dc6f92b8 | 9138 | |
06a2c219 | 9139 | case SelectionRequest: /* Someone wants our selection. */ |
3afe33e7 | 9140 | #ifdef USE_X_TOOLKIT |
19126e11 | 9141 | if (!x_window_to_frame (dpyinfo, event.xselectionrequest.owner)) |
7a13e894 | 9142 | goto OTHER; |
3afe33e7 | 9143 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 9144 | if (x_queue_selection_requests) |
19126e11 | 9145 | x_queue_event (x_window_to_frame (dpyinfo, event.xselectionrequest.owner), |
7a13e894 RS |
9146 | &event); |
9147 | else | |
9148 | { | |
9149 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
dc6f92b8 | 9150 | |
7a13e894 RS |
9151 | if (numchars == 0) |
9152 | abort (); | |
9153 | ||
9154 | bufp->kind = selection_request_event; | |
9155 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
9156 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
9157 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
9158 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
9159 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
9160 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
e6cbea31 | 9161 | bufp->frame_or_window = Qnil; |
7a13e894 RS |
9162 | bufp++; |
9163 | ||
9164 | count += 1; | |
9165 | numchars -= 1; | |
9166 | } | |
9167 | break; | |
9168 | ||
9169 | case PropertyNotify: | |
3afe33e7 | 9170 | #ifdef USE_X_TOOLKIT |
19126e11 | 9171 | if (!x_any_window_to_frame (dpyinfo, event.xproperty.window)) |
7a13e894 | 9172 | goto OTHER; |
3afe33e7 | 9173 | #endif /* not USE_X_TOOLKIT */ |
dfcf069d | 9174 | x_handle_property_notify (&event.xproperty); |
7a13e894 | 9175 | break; |
dc6f92b8 | 9176 | |
7a13e894 | 9177 | case ReparentNotify: |
19126e11 | 9178 | f = x_top_window_to_frame (dpyinfo, event.xreparent.window); |
7a13e894 RS |
9179 | if (f) |
9180 | { | |
9181 | int x, y; | |
7556890b | 9182 | f->output_data.x->parent_desc = event.xreparent.parent; |
7a13e894 | 9183 | x_real_positions (f, &x, &y); |
7556890b RS |
9184 | f->output_data.x->left_pos = x; |
9185 | f->output_data.x->top_pos = y; | |
7a13e894 RS |
9186 | } |
9187 | break; | |
3bd330d4 | 9188 | |
7a13e894 | 9189 | case Expose: |
19126e11 | 9190 | f = x_window_to_frame (dpyinfo, event.xexpose.window); |
7a13e894 | 9191 | if (f) |
dc6f92b8 | 9192 | { |
7a13e894 RS |
9193 | if (f->async_visible == 0) |
9194 | { | |
9195 | f->async_visible = 1; | |
9196 | f->async_iconified = 0; | |
06c488fd | 9197 | f->output_data.x->has_been_visible = 1; |
7a13e894 RS |
9198 | SET_FRAME_GARBAGED (f); |
9199 | } | |
9200 | else | |
06a2c219 GM |
9201 | expose_frame (x_window_to_frame (dpyinfo, |
9202 | event.xexpose.window), | |
9203 | event.xexpose.x, event.xexpose.y, | |
9204 | event.xexpose.width, event.xexpose.height); | |
dc6f92b8 JB |
9205 | } |
9206 | else | |
7a13e894 | 9207 | { |
06a2c219 GM |
9208 | #ifdef USE_TOOLKIT_SCROLL_BARS |
9209 | /* Dispatch event to the widget. */ | |
9210 | goto OTHER; | |
9211 | #else /* not USE_TOOLKIT_SCROLL_BARS */ | |
7a13e894 RS |
9212 | struct scroll_bar *bar |
9213 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 9214 | |
7a13e894 RS |
9215 | if (bar) |
9216 | x_scroll_bar_expose (bar, &event); | |
3afe33e7 | 9217 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
9218 | else |
9219 | goto OTHER; | |
3afe33e7 | 9220 | #endif /* USE_X_TOOLKIT */ |
06a2c219 | 9221 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
7a13e894 RS |
9222 | } |
9223 | break; | |
dc6f92b8 | 9224 | |
7a13e894 RS |
9225 | case GraphicsExpose: /* This occurs when an XCopyArea's |
9226 | source area was obscured or not | |
9227 | available.*/ | |
19126e11 | 9228 | f = x_window_to_frame (dpyinfo, event.xgraphicsexpose.drawable); |
7a13e894 RS |
9229 | if (f) |
9230 | { | |
06a2c219 GM |
9231 | expose_frame (f, |
9232 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
9233 | event.xgraphicsexpose.width, | |
9234 | event.xgraphicsexpose.height); | |
7a13e894 | 9235 | } |
3afe33e7 | 9236 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
9237 | else |
9238 | goto OTHER; | |
3afe33e7 | 9239 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 9240 | break; |
dc6f92b8 | 9241 | |
7a13e894 | 9242 | case NoExpose: /* This occurs when an XCopyArea's |
06a2c219 GM |
9243 | source area was completely |
9244 | available */ | |
7a13e894 | 9245 | break; |
dc6f92b8 | 9246 | |
7a13e894 | 9247 | case UnmapNotify: |
06a2c219 GM |
9248 | /* Redo the mouse-highlight after the tooltip has gone. */ |
9249 | if (event.xmap.window == tip_window) | |
9250 | { | |
9251 | tip_window = 0; | |
9252 | redo_mouse_highlight (); | |
9253 | } | |
9254 | ||
91ea2a7a | 9255 | f = x_top_window_to_frame (dpyinfo, event.xunmap.window); |
7a13e894 RS |
9256 | if (f) /* F may no longer exist if |
9257 | the frame was deleted. */ | |
9258 | { | |
9259 | /* While a frame is unmapped, display generation is | |
9260 | disabled; you don't want to spend time updating a | |
9261 | display that won't ever be seen. */ | |
9262 | f->async_visible = 0; | |
9263 | /* We can't distinguish, from the event, whether the window | |
9264 | has become iconified or invisible. So assume, if it | |
9265 | was previously visible, than now it is iconified. | |
1aa6072f RS |
9266 | But x_make_frame_invisible clears both |
9267 | the visible flag and the iconified flag; | |
9268 | and that way, we know the window is not iconified now. */ | |
7a13e894 | 9269 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
1aa6072f RS |
9270 | { |
9271 | f->async_iconified = 1; | |
bddd097c | 9272 | |
1aa6072f RS |
9273 | bufp->kind = iconify_event; |
9274 | XSETFRAME (bufp->frame_or_window, f); | |
9275 | bufp++; | |
9276 | count++; | |
9277 | numchars--; | |
9278 | } | |
7a13e894 | 9279 | } |
7a13e894 | 9280 | goto OTHER; |
dc6f92b8 | 9281 | |
7a13e894 | 9282 | case MapNotify: |
06a2c219 GM |
9283 | if (event.xmap.window == tip_window) |
9284 | /* The tooltip has been drawn already. Avoid | |
9285 | the SET_FRAME_GARBAGED below. */ | |
9286 | goto OTHER; | |
9287 | ||
9288 | /* We use x_top_window_to_frame because map events can | |
9289 | come for sub-windows and they don't mean that the | |
9290 | frame is visible. */ | |
19126e11 | 9291 | f = x_top_window_to_frame (dpyinfo, event.xmap.window); |
7a13e894 RS |
9292 | if (f) |
9293 | { | |
9294 | f->async_visible = 1; | |
9295 | f->async_iconified = 0; | |
06c488fd | 9296 | f->output_data.x->has_been_visible = 1; |
dc6f92b8 | 9297 | |
7a13e894 RS |
9298 | /* wait_reading_process_input will notice this and update |
9299 | the frame's display structures. */ | |
9300 | SET_FRAME_GARBAGED (f); | |
bddd097c | 9301 | |
d806e720 RS |
9302 | if (f->iconified) |
9303 | { | |
9304 | bufp->kind = deiconify_event; | |
9305 | XSETFRAME (bufp->frame_or_window, f); | |
9306 | bufp++; | |
9307 | count++; | |
9308 | numchars--; | |
9309 | } | |
e73ec6fa | 9310 | else if (! NILP (Vframe_list) |
8e713be6 | 9311 | && ! NILP (XCDR (Vframe_list))) |
78aa2ba5 KH |
9312 | /* Force a redisplay sooner or later |
9313 | to update the frame titles | |
9314 | in case this is the second frame. */ | |
9315 | record_asynch_buffer_change (); | |
7a13e894 | 9316 | } |
7a13e894 | 9317 | goto OTHER; |
dc6f92b8 | 9318 | |
7a13e894 | 9319 | case KeyPress: |
19126e11 | 9320 | f = x_any_window_to_frame (dpyinfo, event.xkey.window); |
f451eb13 | 9321 | |
06a2c219 GM |
9322 | #ifdef USE_MOTIF |
9323 | /* I couldn't find a way to prevent LessTif scroll bars | |
9324 | from consuming key events. */ | |
9325 | if (f == 0) | |
9326 | { | |
9327 | Widget widget = XtWindowToWidget (dpyinfo->display, | |
9328 | event.xkey.window); | |
9329 | if (widget && XmIsScrollBar (widget)) | |
9330 | { | |
9331 | widget = XtParent (widget); | |
9332 | f = x_any_window_to_frame (dpyinfo, XtWindow (widget)); | |
9333 | } | |
9334 | } | |
9335 | #endif /* USE_MOTIF */ | |
9336 | ||
7a13e894 RS |
9337 | if (f != 0) |
9338 | { | |
9339 | KeySym keysym, orig_keysym; | |
9340 | /* al%imercury@uunet.uu.net says that making this 81 instead of | |
9341 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
9342 | unsigned char copy_buffer[81]; | |
9343 | int modifiers; | |
64bb1782 | 9344 | |
7a13e894 RS |
9345 | event.xkey.state |
9346 | |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f), | |
9347 | extra_keyboard_modifiers); | |
9348 | modifiers = event.xkey.state; | |
3a2712f9 | 9349 | |
7a13e894 | 9350 | /* This will have to go some day... */ |
752a043f | 9351 | |
7a13e894 RS |
9352 | /* make_lispy_event turns chars into control chars. |
9353 | Don't do it here because XLookupString is too eager. */ | |
9354 | event.xkey.state &= ~ControlMask; | |
5d46f928 RS |
9355 | event.xkey.state &= ~(dpyinfo->meta_mod_mask |
9356 | | dpyinfo->super_mod_mask | |
9357 | | dpyinfo->hyper_mod_mask | |
9358 | | dpyinfo->alt_mod_mask); | |
9359 | ||
1cf4a0d1 RS |
9360 | /* In case Meta is ComposeCharacter, |
9361 | clear its status. According to Markus Ehrnsperger | |
9362 | Markus.Ehrnsperger@lehrstuhl-bross.physik.uni-muenchen.de | |
9363 | this enables ComposeCharacter to work whether or | |
9364 | not it is combined with Meta. */ | |
9365 | if (modifiers & dpyinfo->meta_mod_mask) | |
9366 | bzero (&compose_status, sizeof (compose_status)); | |
9367 | ||
6c183ba5 RS |
9368 | #ifdef HAVE_X_I18N |
9369 | if (FRAME_XIC (f)) | |
9370 | { | |
f5d11644 GM |
9371 | unsigned char *copy_bufptr = copy_buffer; |
9372 | int copy_bufsiz = sizeof (copy_buffer); | |
9373 | Status status_return; | |
9374 | ||
6c183ba5 | 9375 | nbytes = XmbLookupString (FRAME_XIC (f), |
f5d11644 GM |
9376 | &event.xkey, copy_bufptr, |
9377 | copy_bufsiz, &keysym, | |
6c183ba5 | 9378 | &status_return); |
f5d11644 GM |
9379 | if (status_return == XBufferOverflow) |
9380 | { | |
9381 | copy_bufsiz = nbytes + 1; | |
9382 | copy_bufptr = (char *) alloca (copy_bufsiz); | |
9383 | nbytes = XmbLookupString (FRAME_XIC (f), | |
9384 | &event.xkey, copy_bufptr, | |
9385 | copy_bufsiz, &keysym, | |
9386 | &status_return); | |
9387 | } | |
9388 | ||
1decb680 PE |
9389 | if (status_return == XLookupNone) |
9390 | break; | |
9391 | else if (status_return == XLookupChars) | |
9392 | keysym = NoSymbol; | |
9393 | else if (status_return != XLookupKeySym | |
9394 | && status_return != XLookupBoth) | |
9395 | abort (); | |
6c183ba5 RS |
9396 | } |
9397 | else | |
9398 | nbytes = XLookupString (&event.xkey, copy_buffer, | |
9399 | 80, &keysym, &compose_status); | |
9400 | #else | |
0299d313 RS |
9401 | nbytes = XLookupString (&event.xkey, copy_buffer, |
9402 | 80, &keysym, &compose_status); | |
6c183ba5 | 9403 | #endif |
dc6f92b8 | 9404 | |
7a13e894 | 9405 | orig_keysym = keysym; |
55123275 | 9406 | |
7a13e894 RS |
9407 | if (numchars > 1) |
9408 | { | |
9409 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) | |
9410 | || keysym == XK_Delete | |
1097aea0 | 9411 | #ifdef XK_ISO_Left_Tab |
441affdb | 9412 | || (keysym >= XK_ISO_Left_Tab && keysym <= XK_ISO_Enter) |
1097aea0 | 9413 | #endif |
852bff8f | 9414 | || (keysym >= XK_Kanji && keysym <= XK_Eisu_toggle) |
7a13e894 RS |
9415 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ |
9416 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 9417 | #ifdef HPUX |
7a13e894 RS |
9418 | /* This recognizes the "extended function keys". |
9419 | It seems there's no cleaner way. | |
9420 | Test IsModifierKey to avoid handling mode_switch | |
9421 | incorrectly. */ | |
9422 | || ((unsigned) (keysym) >= XK_Select | |
9423 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
9424 | #endif |
9425 | #ifdef XK_dead_circumflex | |
7a13e894 | 9426 | || orig_keysym == XK_dead_circumflex |
69388238 RS |
9427 | #endif |
9428 | #ifdef XK_dead_grave | |
7a13e894 | 9429 | || orig_keysym == XK_dead_grave |
69388238 RS |
9430 | #endif |
9431 | #ifdef XK_dead_tilde | |
7a13e894 | 9432 | || orig_keysym == XK_dead_tilde |
69388238 RS |
9433 | #endif |
9434 | #ifdef XK_dead_diaeresis | |
7a13e894 | 9435 | || orig_keysym == XK_dead_diaeresis |
69388238 RS |
9436 | #endif |
9437 | #ifdef XK_dead_macron | |
7a13e894 | 9438 | || orig_keysym == XK_dead_macron |
69388238 RS |
9439 | #endif |
9440 | #ifdef XK_dead_degree | |
7a13e894 | 9441 | || orig_keysym == XK_dead_degree |
69388238 RS |
9442 | #endif |
9443 | #ifdef XK_dead_acute | |
7a13e894 | 9444 | || orig_keysym == XK_dead_acute |
69388238 RS |
9445 | #endif |
9446 | #ifdef XK_dead_cedilla | |
7a13e894 | 9447 | || orig_keysym == XK_dead_cedilla |
69388238 RS |
9448 | #endif |
9449 | #ifdef XK_dead_breve | |
7a13e894 | 9450 | || orig_keysym == XK_dead_breve |
69388238 RS |
9451 | #endif |
9452 | #ifdef XK_dead_ogonek | |
7a13e894 | 9453 | || orig_keysym == XK_dead_ogonek |
69388238 RS |
9454 | #endif |
9455 | #ifdef XK_dead_caron | |
7a13e894 | 9456 | || orig_keysym == XK_dead_caron |
69388238 RS |
9457 | #endif |
9458 | #ifdef XK_dead_doubleacute | |
7a13e894 | 9459 | || orig_keysym == XK_dead_doubleacute |
69388238 RS |
9460 | #endif |
9461 | #ifdef XK_dead_abovedot | |
7a13e894 | 9462 | || orig_keysym == XK_dead_abovedot |
c34790e0 | 9463 | #endif |
7a13e894 RS |
9464 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
9465 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
9466 | /* Any "vendor-specific" key is ok. */ | |
9467 | || (orig_keysym & (1 << 28))) | |
9468 | && ! (IsModifierKey (orig_keysym) | |
7719aa06 RS |
9469 | #ifndef HAVE_X11R5 |
9470 | #ifdef XK_Mode_switch | |
7a13e894 | 9471 | || ((unsigned)(orig_keysym) == XK_Mode_switch) |
7719aa06 RS |
9472 | #endif |
9473 | #ifdef XK_Num_Lock | |
7a13e894 | 9474 | || ((unsigned)(orig_keysym) == XK_Num_Lock) |
7719aa06 RS |
9475 | #endif |
9476 | #endif /* not HAVE_X11R5 */ | |
7a13e894 | 9477 | )) |
dc6f92b8 | 9478 | { |
10e6549c RS |
9479 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
9480 | temp_index = 0; | |
7a13e894 RS |
9481 | temp_buffer[temp_index++] = keysym; |
9482 | bufp->kind = non_ascii_keystroke; | |
9483 | bufp->code = keysym; | |
e0c1aef2 | 9484 | XSETFRAME (bufp->frame_or_window, f); |
334208b7 RS |
9485 | bufp->modifiers |
9486 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
9487 | modifiers); | |
1113d9db | 9488 | bufp->timestamp = event.xkey.time; |
dc6f92b8 | 9489 | bufp++; |
7a13e894 RS |
9490 | count++; |
9491 | numchars--; | |
dc6f92b8 | 9492 | } |
7a13e894 RS |
9493 | else if (numchars > nbytes) |
9494 | { | |
9495 | register int i; | |
9496 | ||
9497 | for (i = 0; i < nbytes; i++) | |
9498 | { | |
9499 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
9500 | temp_index = 0; | |
9501 | temp_buffer[temp_index++] = copy_buffer[i]; | |
9502 | bufp->kind = ascii_keystroke; | |
9503 | bufp->code = copy_buffer[i]; | |
9504 | XSETFRAME (bufp->frame_or_window, f); | |
9505 | bufp->modifiers | |
9506 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
9507 | modifiers); | |
9508 | bufp->timestamp = event.xkey.time; | |
9509 | bufp++; | |
9510 | } | |
9511 | ||
9512 | count += nbytes; | |
9513 | numchars -= nbytes; | |
1decb680 PE |
9514 | |
9515 | if (keysym == NoSymbol) | |
9516 | break; | |
7a13e894 RS |
9517 | } |
9518 | else | |
9519 | abort (); | |
dc6f92b8 | 9520 | } |
10e6549c RS |
9521 | else |
9522 | abort (); | |
dc6f92b8 | 9523 | } |
59ddecde GM |
9524 | #ifdef HAVE_X_I18N |
9525 | /* Don't dispatch this event since XtDispatchEvent calls | |
9526 | XFilterEvent, and two calls in a row may freeze the | |
9527 | client. */ | |
9528 | break; | |
9529 | #else | |
717ca130 | 9530 | goto OTHER; |
59ddecde | 9531 | #endif |
f451eb13 | 9532 | |
f5d11644 | 9533 | case KeyRelease: |
59ddecde GM |
9534 | #ifdef HAVE_X_I18N |
9535 | /* Don't dispatch this event since XtDispatchEvent calls | |
9536 | XFilterEvent, and two calls in a row may freeze the | |
9537 | client. */ | |
9538 | break; | |
9539 | #else | |
f5d11644 | 9540 | goto OTHER; |
59ddecde | 9541 | #endif |
f5d11644 | 9542 | |
7a13e894 | 9543 | /* Here's a possible interpretation of the whole |
06a2c219 GM |
9544 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If |
9545 | you get a FocusIn event, you have to get a FocusOut | |
9546 | event before you relinquish the focus. If you | |
9547 | haven't received a FocusIn event, then a mere | |
9548 | LeaveNotify is enough to free you. */ | |
f451eb13 | 9549 | |
7a13e894 | 9550 | case EnterNotify: |
06a2c219 GM |
9551 | { |
9552 | int from_menu_bar_p = 0; | |
9553 | ||
9554 | f = x_any_window_to_frame (dpyinfo, event.xcrossing.window); | |
9555 | ||
9556 | #ifdef LESSTIF_VERSION | |
9557 | /* When clicking outside of a menu bar popup to close | |
9558 | it, we get a FocusIn/ EnterNotify sequence of | |
9559 | events. The flag event.xcrossing.focus is not set | |
9560 | in the EnterNotify event of that sequence because | |
9561 | the focus is in the menu bar, | |
9562 | event.xcrossing.window is the frame's X window. | |
9563 | Unconditionally setting the focus frame to null in | |
9564 | this case is not the right thing, because no event | |
9565 | follows that could set the focus frame to the right | |
9566 | value. | |
9567 | ||
9568 | This could be a LessTif bug, but I wasn't able to | |
9569 | reproduce the behavior in a simple test program. | |
9570 | ||
9571 | (gerd, LessTif 0.88.1). */ | |
9572 | ||
9573 | if (!event.xcrossing.focus | |
9574 | && f | |
9575 | && f->output_data.x->menubar_widget) | |
9576 | { | |
9577 | Window focus; | |
9578 | int revert; | |
9579 | ||
9580 | XGetInputFocus (FRAME_X_DISPLAY (f), &focus, &revert); | |
9581 | if (focus == XtWindow (f->output_data.x->menubar_widget)) | |
9582 | from_menu_bar_p = 1; | |
9583 | } | |
9584 | #endif /* LESSTIF_VERSION */ | |
6d4238f3 | 9585 | |
06a2c219 GM |
9586 | if (event.xcrossing.focus || from_menu_bar_p) |
9587 | { | |
9588 | /* Avoid nasty pop/raise loops. */ | |
9589 | if (f && (!(f->auto_raise) | |
9590 | || !(f->auto_lower) | |
9591 | || (event.xcrossing.time - enter_timestamp) > 500)) | |
9592 | { | |
9593 | x_new_focus_frame (dpyinfo, f); | |
9594 | enter_timestamp = event.xcrossing.time; | |
9595 | } | |
9596 | } | |
9597 | else if (f == dpyinfo->x_focus_frame) | |
9598 | x_new_focus_frame (dpyinfo, 0); | |
9599 | ||
9600 | /* EnterNotify counts as mouse movement, | |
9601 | so update things that depend on mouse position. */ | |
9602 | if (f && !f->output_data.x->busy_p) | |
9603 | note_mouse_movement (f, &event.xmotion); | |
9604 | goto OTHER; | |
9605 | } | |
dc6f92b8 | 9606 | |
7a13e894 | 9607 | case FocusIn: |
19126e11 | 9608 | f = x_any_window_to_frame (dpyinfo, event.xfocus.window); |
7a13e894 | 9609 | if (event.xfocus.detail != NotifyPointer) |
0f941935 | 9610 | dpyinfo->x_focus_event_frame = f; |
7a13e894 | 9611 | if (f) |
eb72635f GM |
9612 | { |
9613 | x_new_focus_frame (dpyinfo, f); | |
9614 | ||
9615 | /* Don't stop displaying the initial startup message | |
9616 | for a switch-frame event we don't need. */ | |
9617 | if (GC_NILP (Vterminal_frame) | |
9618 | && GC_CONSP (Vframe_list) | |
9619 | && !GC_NILP (XCDR (Vframe_list))) | |
9620 | { | |
9621 | bufp->kind = FOCUS_IN_EVENT; | |
9622 | XSETFRAME (bufp->frame_or_window, f); | |
9623 | ++bufp, ++count, --numchars; | |
9624 | } | |
9625 | } | |
f9e24cb9 | 9626 | |
6c183ba5 RS |
9627 | #ifdef HAVE_X_I18N |
9628 | if (f && FRAME_XIC (f)) | |
9629 | XSetICFocus (FRAME_XIC (f)); | |
9630 | #endif | |
9631 | ||
7a13e894 | 9632 | goto OTHER; |
10c5e63d | 9633 | |
7a13e894 | 9634 | case LeaveNotify: |
19126e11 | 9635 | f = x_top_window_to_frame (dpyinfo, event.xcrossing.window); |
7a13e894 | 9636 | if (f) |
10c5e63d | 9637 | { |
06a2c219 GM |
9638 | Lisp_Object frame; |
9639 | int from_menu_bar_p = 0; | |
9640 | ||
7a13e894 | 9641 | if (f == dpyinfo->mouse_face_mouse_frame) |
06a2c219 GM |
9642 | { |
9643 | /* If we move outside the frame, then we're | |
9644 | certainly no longer on any text in the frame. */ | |
9645 | clear_mouse_face (dpyinfo); | |
9646 | dpyinfo->mouse_face_mouse_frame = 0; | |
9647 | } | |
9648 | ||
9649 | /* Generate a nil HELP_EVENT to cancel a help-echo. | |
9650 | Do it only if there's something to cancel. | |
9651 | Otherwise, the startup message is cleared when | |
9652 | the mouse leaves the frame. */ | |
9653 | if (any_help_event_p) | |
9654 | { | |
9655 | XSETFRAME (frame, f); | |
9656 | bufp->kind = HELP_EVENT; | |
9657 | bufp->frame_or_window = Fcons (frame, Qnil); | |
9658 | ++bufp, ++count, --numchars; | |
9659 | } | |
7a13e894 | 9660 | |
06a2c219 GM |
9661 | #ifdef LESSTIF_VERSION |
9662 | /* Please see the comment at the start of the | |
9663 | EnterNotify case. */ | |
9664 | if (!event.xcrossing.focus | |
9665 | && f->output_data.x->menubar_widget) | |
9666 | { | |
9667 | Window focus; | |
9668 | int revert; | |
9669 | XGetInputFocus (FRAME_X_DISPLAY (f), &focus, &revert); | |
9670 | if (focus == XtWindow (f->output_data.x->menubar_widget)) | |
9671 | from_menu_bar_p = 1; | |
9672 | } | |
9673 | #endif /* LESSTIF_VERSION */ | |
9674 | ||
9675 | if (event.xcrossing.focus || from_menu_bar_p) | |
0f941935 | 9676 | x_mouse_leave (dpyinfo); |
10c5e63d | 9677 | else |
7a13e894 | 9678 | { |
0f941935 KH |
9679 | if (f == dpyinfo->x_focus_event_frame) |
9680 | dpyinfo->x_focus_event_frame = 0; | |
9681 | if (f == dpyinfo->x_focus_frame) | |
9682 | x_new_focus_frame (dpyinfo, 0); | |
7a13e894 | 9683 | } |
10c5e63d | 9684 | } |
7a13e894 | 9685 | goto OTHER; |
dc6f92b8 | 9686 | |
7a13e894 | 9687 | case FocusOut: |
19126e11 | 9688 | f = x_any_window_to_frame (dpyinfo, event.xfocus.window); |
7a13e894 | 9689 | if (event.xfocus.detail != NotifyPointer |
0f941935 KH |
9690 | && f == dpyinfo->x_focus_event_frame) |
9691 | dpyinfo->x_focus_event_frame = 0; | |
9692 | if (f && f == dpyinfo->x_focus_frame) | |
9693 | x_new_focus_frame (dpyinfo, 0); | |
f9e24cb9 | 9694 | |
6c183ba5 RS |
9695 | #ifdef HAVE_X_I18N |
9696 | if (f && FRAME_XIC (f)) | |
9697 | XUnsetICFocus (FRAME_XIC (f)); | |
9698 | #endif | |
9699 | ||
7a13e894 | 9700 | goto OTHER; |
dc6f92b8 | 9701 | |
7a13e894 | 9702 | case MotionNotify: |
dc6f92b8 | 9703 | { |
06a2c219 GM |
9704 | previous_help_echo = help_echo; |
9705 | help_echo = Qnil; | |
9706 | ||
7a13e894 RS |
9707 | if (dpyinfo->grabbed && last_mouse_frame |
9708 | && FRAME_LIVE_P (last_mouse_frame)) | |
9709 | f = last_mouse_frame; | |
9710 | else | |
19126e11 | 9711 | f = x_window_to_frame (dpyinfo, event.xmotion.window); |
06a2c219 | 9712 | |
7a13e894 RS |
9713 | if (f) |
9714 | note_mouse_movement (f, &event.xmotion); | |
9715 | else | |
9716 | { | |
e88b3c50 | 9717 | #ifndef USE_TOOLKIT_SCROLL_BARS |
7a13e894 RS |
9718 | struct scroll_bar *bar |
9719 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 | 9720 | |
7a13e894 RS |
9721 | if (bar) |
9722 | x_scroll_bar_note_movement (bar, &event); | |
e88b3c50 | 9723 | #endif /* USE_TOOLKIT_SCROLL_BARS */ |
b8009dd1 | 9724 | |
06a2c219 GM |
9725 | /* If we move outside the frame, then we're |
9726 | certainly no longer on any text in the frame. */ | |
7a13e894 RS |
9727 | clear_mouse_face (dpyinfo); |
9728 | } | |
06a2c219 GM |
9729 | |
9730 | /* If the contents of the global variable help_echo | |
9731 | has changed, generate a HELP_EVENT. */ | |
9732 | if (STRINGP (help_echo) | |
9733 | || STRINGP (previous_help_echo)) | |
9734 | { | |
9735 | Lisp_Object frame; | |
9736 | ||
9737 | if (f) | |
9738 | XSETFRAME (frame, f); | |
9739 | else | |
9740 | frame = Qnil; | |
9741 | ||
9742 | any_help_event_p = 1; | |
9743 | bufp->kind = HELP_EVENT; | |
9744 | bufp->frame_or_window = Fcons (frame, help_echo); | |
9745 | ++bufp, ++count, --numchars; | |
9746 | } | |
9747 | ||
9748 | goto OTHER; | |
dc6f92b8 | 9749 | } |
dc6f92b8 | 9750 | |
7a13e894 | 9751 | case ConfigureNotify: |
9829ddba RS |
9752 | f = x_top_window_to_frame (dpyinfo, event.xconfigure.window); |
9753 | if (f) | |
af395ec1 | 9754 | { |
5c187dee | 9755 | #ifndef USE_X_TOOLKIT |
bf1b7b30 KH |
9756 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); |
9757 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
5c187dee | 9758 | |
2d7fc7e8 RS |
9759 | /* In the toolkit version, change_frame_size |
9760 | is called by the code that handles resizing | |
9761 | of the EmacsFrame widget. */ | |
7a13e894 | 9762 | |
7a13e894 RS |
9763 | /* Even if the number of character rows and columns has |
9764 | not changed, the font size may have changed, so we need | |
9765 | to check the pixel dimensions as well. */ | |
9766 | if (columns != f->width | |
9767 | || rows != f->height | |
7556890b RS |
9768 | || event.xconfigure.width != f->output_data.x->pixel_width |
9769 | || event.xconfigure.height != f->output_data.x->pixel_height) | |
7a13e894 | 9770 | { |
7d1e984f | 9771 | change_frame_size (f, rows, columns, 0, 1, 0); |
7a13e894 | 9772 | SET_FRAME_GARBAGED (f); |
e687d06e | 9773 | cancel_mouse_face (f); |
7a13e894 | 9774 | } |
2d7fc7e8 | 9775 | #endif |
af395ec1 | 9776 | |
7556890b RS |
9777 | f->output_data.x->pixel_width = event.xconfigure.width; |
9778 | f->output_data.x->pixel_height = event.xconfigure.height; | |
7a13e894 RS |
9779 | |
9780 | /* What we have now is the position of Emacs's own window. | |
9781 | Convert that to the position of the window manager window. */ | |
dcb07ae9 RS |
9782 | x_real_positions (f, &f->output_data.x->left_pos, |
9783 | &f->output_data.x->top_pos); | |
9784 | ||
f5d11644 GM |
9785 | #ifdef HAVE_X_I18N |
9786 | if (FRAME_XIC (f) && (FRAME_XIC_STYLE (f) & XIMStatusArea)) | |
9787 | xic_set_statusarea (f); | |
9788 | #endif | |
9789 | ||
dcb07ae9 RS |
9790 | if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
9791 | { | |
9792 | /* Since the WM decorations come below top_pos now, | |
9793 | we must put them below top_pos in the future. */ | |
9794 | f->output_data.x->win_gravity = NorthWestGravity; | |
9795 | x_wm_set_size_hint (f, (long) 0, 0); | |
9796 | } | |
8f08dc93 KH |
9797 | #ifdef USE_MOTIF |
9798 | /* Some window managers pass (0,0) as the location of | |
9799 | the window, and the Motif event handler stores it | |
9800 | in the emacs widget, which messes up Motif menus. */ | |
9801 | if (event.xconfigure.x == 0 && event.xconfigure.y == 0) | |
9802 | { | |
9803 | event.xconfigure.x = f->output_data.x->widget->core.x; | |
9804 | event.xconfigure.y = f->output_data.x->widget->core.y; | |
9805 | } | |
06a2c219 | 9806 | #endif /* USE_MOTIF */ |
7a13e894 | 9807 | } |
2d7fc7e8 | 9808 | goto OTHER; |
dc6f92b8 | 9809 | |
7a13e894 RS |
9810 | case ButtonPress: |
9811 | case ButtonRelease: | |
9812 | { | |
9813 | /* If we decide we want to generate an event to be seen | |
9814 | by the rest of Emacs, we put it here. */ | |
9815 | struct input_event emacs_event; | |
9ea173e8 | 9816 | int tool_bar_p = 0; |
06a2c219 | 9817 | |
7a13e894 | 9818 | emacs_event.kind = no_event; |
7a13e894 | 9819 | bzero (&compose_status, sizeof (compose_status)); |
9b07615b | 9820 | |
06a2c219 GM |
9821 | if (dpyinfo->grabbed |
9822 | && last_mouse_frame | |
9f67f20b RS |
9823 | && FRAME_LIVE_P (last_mouse_frame)) |
9824 | f = last_mouse_frame; | |
9825 | else | |
2224b905 | 9826 | f = x_window_to_frame (dpyinfo, event.xbutton.window); |
9f67f20b | 9827 | |
06a2c219 GM |
9828 | if (f) |
9829 | { | |
9ea173e8 GM |
9830 | /* Is this in the tool-bar? */ |
9831 | if (WINDOWP (f->tool_bar_window) | |
9832 | && XFASTINT (XWINDOW (f->tool_bar_window)->height)) | |
06a2c219 GM |
9833 | { |
9834 | Lisp_Object window; | |
9835 | int p, x, y; | |
9836 | ||
9837 | x = event.xbutton.x; | |
9838 | y = event.xbutton.y; | |
9839 | ||
9840 | /* Set x and y. */ | |
9841 | window = window_from_coordinates (f, x, y, &p, 1); | |
9ea173e8 | 9842 | if (EQ (window, f->tool_bar_window)) |
06a2c219 | 9843 | { |
9ea173e8 GM |
9844 | x_handle_tool_bar_click (f, &event.xbutton); |
9845 | tool_bar_p = 1; | |
06a2c219 GM |
9846 | } |
9847 | } | |
9848 | ||
9ea173e8 | 9849 | if (!tool_bar_p) |
06a2c219 GM |
9850 | if (!dpyinfo->x_focus_frame |
9851 | || f == dpyinfo->x_focus_frame) | |
9852 | construct_mouse_click (&emacs_event, &event, f); | |
7a13e894 RS |
9853 | } |
9854 | else | |
9855 | { | |
06a2c219 | 9856 | #ifndef USE_TOOLKIT_SCROLL_BARS |
7a13e894 RS |
9857 | struct scroll_bar *bar |
9858 | = x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 | 9859 | |
7a13e894 RS |
9860 | if (bar) |
9861 | x_scroll_bar_handle_click (bar, &event, &emacs_event); | |
06a2c219 | 9862 | #endif /* not USE_TOOLKIT_SCROLL_BARS */ |
7a13e894 RS |
9863 | } |
9864 | ||
9865 | if (event.type == ButtonPress) | |
9866 | { | |
9867 | dpyinfo->grabbed |= (1 << event.xbutton.button); | |
9868 | last_mouse_frame = f; | |
edad46f6 KH |
9869 | /* Ignore any mouse motion that happened |
9870 | before this event; any subsequent mouse-movement | |
9871 | Emacs events should reflect only motion after | |
9872 | the ButtonPress. */ | |
a00e91cd KH |
9873 | if (f != 0) |
9874 | f->mouse_moved = 0; | |
06a2c219 | 9875 | |
9ea173e8 GM |
9876 | if (!tool_bar_p) |
9877 | last_tool_bar_item = -1; | |
7a13e894 | 9878 | } |
3afe33e7 RS |
9879 | else |
9880 | { | |
7a13e894 | 9881 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); |
3afe33e7 | 9882 | } |
23faf38f | 9883 | |
7a13e894 RS |
9884 | if (numchars >= 1 && emacs_event.kind != no_event) |
9885 | { | |
9886 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
9887 | bufp++; | |
9888 | count++; | |
9889 | numchars--; | |
9890 | } | |
3afe33e7 RS |
9891 | |
9892 | #ifdef USE_X_TOOLKIT | |
2224b905 RS |
9893 | f = x_menubar_window_to_frame (dpyinfo, event.xbutton.window); |
9894 | /* For a down-event in the menu bar, | |
9895 | don't pass it to Xt right now. | |
9896 | Instead, save it away | |
9897 | and we will pass it to Xt from kbd_buffer_get_event. | |
9898 | That way, we can run some Lisp code first. */ | |
91375f8f RS |
9899 | if (f && event.type == ButtonPress |
9900 | /* Verify the event is really within the menu bar | |
9901 | and not just sent to it due to grabbing. */ | |
9902 | && event.xbutton.x >= 0 | |
9903 | && event.xbutton.x < f->output_data.x->pixel_width | |
9904 | && event.xbutton.y >= 0 | |
9905 | && event.xbutton.y < f->output_data.x->menubar_height | |
9906 | && event.xbutton.same_screen) | |
2224b905 | 9907 | { |
8805890a | 9908 | SET_SAVED_BUTTON_EVENT; |
2237cac9 RS |
9909 | XSETFRAME (last_mouse_press_frame, f); |
9910 | } | |
9911 | else if (event.type == ButtonPress) | |
9912 | { | |
9913 | last_mouse_press_frame = Qnil; | |
30e671c3 | 9914 | goto OTHER; |
ce89ef46 | 9915 | } |
06a2c219 | 9916 | |
2237cac9 RS |
9917 | #ifdef USE_MOTIF /* This should do not harm for Lucid, |
9918 | but I am trying to be cautious. */ | |
ce89ef46 RS |
9919 | else if (event.type == ButtonRelease) |
9920 | { | |
2237cac9 | 9921 | if (!NILP (last_mouse_press_frame)) |
f10ded1c | 9922 | { |
2237cac9 RS |
9923 | f = XFRAME (last_mouse_press_frame); |
9924 | if (f->output_data.x) | |
06a2c219 | 9925 | SET_SAVED_BUTTON_EVENT; |
f10ded1c | 9926 | } |
06a2c219 | 9927 | else |
30e671c3 | 9928 | goto OTHER; |
2224b905 | 9929 | } |
2237cac9 | 9930 | #endif /* USE_MOTIF */ |
2224b905 RS |
9931 | else |
9932 | goto OTHER; | |
3afe33e7 | 9933 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
9934 | } |
9935 | break; | |
dc6f92b8 | 9936 | |
7a13e894 | 9937 | case CirculateNotify: |
06a2c219 GM |
9938 | goto OTHER; |
9939 | ||
7a13e894 | 9940 | case CirculateRequest: |
06a2c219 GM |
9941 | goto OTHER; |
9942 | ||
9943 | case VisibilityNotify: | |
9944 | goto OTHER; | |
dc6f92b8 | 9945 | |
7a13e894 RS |
9946 | case MappingNotify: |
9947 | /* Someone has changed the keyboard mapping - update the | |
9948 | local cache. */ | |
9949 | switch (event.xmapping.request) | |
9950 | { | |
9951 | case MappingModifier: | |
9952 | x_find_modifier_meanings (dpyinfo); | |
9953 | /* This is meant to fall through. */ | |
9954 | case MappingKeyboard: | |
9955 | XRefreshKeyboardMapping (&event.xmapping); | |
9956 | } | |
7a13e894 | 9957 | goto OTHER; |
dc6f92b8 | 9958 | |
7a13e894 | 9959 | default: |
7a13e894 | 9960 | OTHER: |
717ca130 | 9961 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
9962 | BLOCK_INPUT; |
9963 | XtDispatchEvent (&event); | |
9964 | UNBLOCK_INPUT; | |
3afe33e7 | 9965 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
9966 | break; |
9967 | } | |
dc6f92b8 JB |
9968 | } |
9969 | } | |
9970 | ||
06a2c219 GM |
9971 | out:; |
9972 | ||
9a5196d0 RS |
9973 | /* On some systems, an X bug causes Emacs to get no more events |
9974 | when the window is destroyed. Detect that. (1994.) */ | |
58769bee | 9975 | if (! event_found) |
ef2a22d0 | 9976 | { |
ef2a22d0 RS |
9977 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. |
9978 | One XNOOP in 100 loops will make Emacs terminate. | |
9979 | B. Bretthauer, 1994 */ | |
9980 | x_noop_count++; | |
58769bee | 9981 | if (x_noop_count >= 100) |
ef2a22d0 RS |
9982 | { |
9983 | x_noop_count=0; | |
2224b905 RS |
9984 | |
9985 | if (next_noop_dpyinfo == 0) | |
9986 | next_noop_dpyinfo = x_display_list; | |
9987 | ||
9988 | XNoOp (next_noop_dpyinfo->display); | |
9989 | ||
9990 | /* Each time we get here, cycle through the displays now open. */ | |
9991 | next_noop_dpyinfo = next_noop_dpyinfo->next; | |
ef2a22d0 RS |
9992 | } |
9993 | } | |
502add23 | 9994 | |
06a2c219 | 9995 | /* If the focus was just given to an auto-raising frame, |
0134a210 | 9996 | raise it now. */ |
7a13e894 | 9997 | /* ??? This ought to be able to handle more than one such frame. */ |
0134a210 RS |
9998 | if (pending_autoraise_frame) |
9999 | { | |
10000 | x_raise_frame (pending_autoraise_frame); | |
10001 | pending_autoraise_frame = 0; | |
10002 | } | |
0134a210 | 10003 | |
dc6f92b8 JB |
10004 | UNBLOCK_INPUT; |
10005 | return count; | |
10006 | } | |
06a2c219 GM |
10007 | |
10008 | ||
10009 | ||
dc6f92b8 | 10010 | \f |
06a2c219 GM |
10011 | /*********************************************************************** |
10012 | Text Cursor | |
10013 | ***********************************************************************/ | |
10014 | ||
10015 | /* Note if the text cursor of window W has been overwritten by a | |
10016 | drawing operation that outputs N glyphs starting at HPOS in the | |
10017 | line given by output_cursor.vpos. N < 0 means all the rest of the | |
10018 | line after HPOS has been written. */ | |
10019 | ||
10020 | static void | |
10021 | note_overwritten_text_cursor (w, hpos, n) | |
10022 | struct window *w; | |
10023 | int hpos, n; | |
10024 | { | |
10025 | if (updated_area == TEXT_AREA | |
10026 | && output_cursor.vpos == w->phys_cursor.vpos | |
10027 | && hpos <= w->phys_cursor.hpos | |
10028 | && (n < 0 | |
10029 | || hpos + n > w->phys_cursor.hpos)) | |
10030 | w->phys_cursor_on_p = 0; | |
10031 | } | |
f451eb13 JB |
10032 | |
10033 | ||
06a2c219 GM |
10034 | /* Set clipping for output in glyph row ROW. W is the window in which |
10035 | we operate. GC is the graphics context to set clipping in. | |
10036 | WHOLE_LINE_P non-zero means include the areas used for truncation | |
10037 | mark display and alike in the clipping rectangle. | |
10038 | ||
10039 | ROW may be a text row or, e.g., a mode line. Text rows must be | |
10040 | clipped to the interior of the window dedicated to text display, | |
10041 | mode lines must be clipped to the whole window. */ | |
dc6f92b8 JB |
10042 | |
10043 | static void | |
06a2c219 GM |
10044 | x_clip_to_row (w, row, gc, whole_line_p) |
10045 | struct window *w; | |
10046 | struct glyph_row *row; | |
10047 | GC gc; | |
10048 | int whole_line_p; | |
dc6f92b8 | 10049 | { |
06a2c219 GM |
10050 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
10051 | XRectangle clip_rect; | |
10052 | int window_x, window_y, window_width, window_height; | |
dc6f92b8 | 10053 | |
06a2c219 | 10054 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); |
5c1aae96 | 10055 | |
06a2c219 GM |
10056 | clip_rect.x = WINDOW_TO_FRAME_PIXEL_X (w, 0); |
10057 | clip_rect.y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
10058 | clip_rect.y = max (clip_rect.y, window_y); | |
10059 | clip_rect.width = window_width; | |
10060 | clip_rect.height = row->visible_height; | |
5c1aae96 | 10061 | |
06a2c219 GM |
10062 | /* If clipping to the whole line, including trunc marks, extend |
10063 | the rectangle to the left and increase its width. */ | |
10064 | if (whole_line_p) | |
10065 | { | |
110859fc GM |
10066 | clip_rect.x -= FRAME_X_LEFT_FLAGS_AREA_WIDTH (f); |
10067 | clip_rect.width += FRAME_X_FLAGS_AREA_WIDTH (f); | |
06a2c219 | 10068 | } |
5c1aae96 | 10069 | |
06a2c219 | 10070 | XSetClipRectangles (FRAME_X_DISPLAY (f), gc, 0, 0, &clip_rect, 1, Unsorted); |
dc6f92b8 JB |
10071 | } |
10072 | ||
06a2c219 GM |
10073 | |
10074 | /* Draw a hollow box cursor on window W in glyph row ROW. */ | |
dc6f92b8 JB |
10075 | |
10076 | static void | |
06a2c219 GM |
10077 | x_draw_hollow_cursor (w, row) |
10078 | struct window *w; | |
10079 | struct glyph_row *row; | |
dc6f92b8 | 10080 | { |
06a2c219 GM |
10081 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
10082 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
10083 | Display *dpy = FRAME_X_DISPLAY (f); | |
10084 | int x, y, wd, h; | |
10085 | XGCValues xgcv; | |
10086 | struct glyph *cursor_glyph; | |
10087 | GC gc; | |
10088 | ||
10089 | /* Compute frame-relative coordinates from window-relative | |
10090 | coordinates. */ | |
10091 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); | |
10092 | y = (WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y) | |
10093 | + row->ascent - w->phys_cursor_ascent); | |
10094 | h = row->height - 1; | |
10095 | ||
10096 | /* Get the glyph the cursor is on. If we can't tell because | |
10097 | the current matrix is invalid or such, give up. */ | |
10098 | cursor_glyph = get_phys_cursor_glyph (w); | |
10099 | if (cursor_glyph == NULL) | |
dc6f92b8 JB |
10100 | return; |
10101 | ||
06a2c219 GM |
10102 | /* Compute the width of the rectangle to draw. If on a stretch |
10103 | glyph, and `x-stretch-block-cursor' is nil, don't draw a | |
10104 | rectangle as wide as the glyph, but use a canonical character | |
10105 | width instead. */ | |
10106 | wd = cursor_glyph->pixel_width - 1; | |
10107 | if (cursor_glyph->type == STRETCH_GLYPH | |
10108 | && !x_stretch_cursor_p) | |
10109 | wd = min (CANON_X_UNIT (f), wd); | |
10110 | ||
10111 | /* The foreground of cursor_gc is typically the same as the normal | |
10112 | background color, which can cause the cursor box to be invisible. */ | |
10113 | xgcv.foreground = f->output_data.x->cursor_pixel; | |
10114 | if (dpyinfo->scratch_cursor_gc) | |
10115 | XChangeGC (dpy, dpyinfo->scratch_cursor_gc, GCForeground, &xgcv); | |
10116 | else | |
10117 | dpyinfo->scratch_cursor_gc = XCreateGC (dpy, FRAME_X_WINDOW (f), | |
10118 | GCForeground, &xgcv); | |
10119 | gc = dpyinfo->scratch_cursor_gc; | |
10120 | ||
10121 | /* Set clipping, draw the rectangle, and reset clipping again. */ | |
10122 | x_clip_to_row (w, row, gc, 0); | |
10123 | XDrawRectangle (dpy, FRAME_X_WINDOW (f), gc, x, y, wd, h); | |
10124 | XSetClipMask (dpy, gc, None); | |
dc6f92b8 JB |
10125 | } |
10126 | ||
06a2c219 GM |
10127 | |
10128 | /* Draw a bar cursor on window W in glyph row ROW. | |
10129 | ||
10130 | Implementation note: One would like to draw a bar cursor with an | |
10131 | angle equal to the one given by the font property XA_ITALIC_ANGLE. | |
10132 | Unfortunately, I didn't find a font yet that has this property set. | |
10133 | --gerd. */ | |
dc6f92b8 JB |
10134 | |
10135 | static void | |
f02d8aa0 | 10136 | x_draw_bar_cursor (w, row, width) |
06a2c219 GM |
10137 | struct window *w; |
10138 | struct glyph_row *row; | |
f02d8aa0 | 10139 | int width; |
dc6f92b8 | 10140 | { |
06a2c219 GM |
10141 | /* If cursor hpos is out of bounds, don't draw garbage. This can |
10142 | happen in mini-buffer windows when switching between echo area | |
10143 | glyphs and mini-buffer. */ | |
10144 | if (w->phys_cursor.hpos < row->used[TEXT_AREA]) | |
10145 | { | |
10146 | struct frame *f = XFRAME (w->frame); | |
10147 | struct glyph *cursor_glyph; | |
10148 | GC gc; | |
10149 | int x; | |
10150 | unsigned long mask; | |
10151 | XGCValues xgcv; | |
10152 | Display *dpy; | |
10153 | Window window; | |
10154 | ||
10155 | cursor_glyph = get_phys_cursor_glyph (w); | |
10156 | if (cursor_glyph == NULL) | |
10157 | return; | |
10158 | ||
10159 | xgcv.background = f->output_data.x->cursor_pixel; | |
10160 | xgcv.foreground = f->output_data.x->cursor_pixel; | |
10161 | xgcv.graphics_exposures = 0; | |
10162 | mask = GCForeground | GCBackground | GCGraphicsExposures; | |
10163 | dpy = FRAME_X_DISPLAY (f); | |
10164 | window = FRAME_X_WINDOW (f); | |
10165 | gc = FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc; | |
10166 | ||
10167 | if (gc) | |
10168 | XChangeGC (dpy, gc, mask, &xgcv); | |
10169 | else | |
10170 | { | |
10171 | gc = XCreateGC (dpy, window, mask, &xgcv); | |
10172 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc = gc; | |
10173 | } | |
10174 | ||
f02d8aa0 GM |
10175 | if (width < 0) |
10176 | width = f->output_data.x->cursor_width; | |
10177 | ||
06a2c219 GM |
10178 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); |
10179 | x_clip_to_row (w, row, gc, 0); | |
10180 | XFillRectangle (dpy, window, gc, | |
10181 | x, | |
10182 | WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y), | |
f02d8aa0 | 10183 | min (cursor_glyph->pixel_width, width), |
06a2c219 GM |
10184 | row->height); |
10185 | XSetClipMask (dpy, gc, None); | |
10186 | } | |
dc6f92b8 JB |
10187 | } |
10188 | ||
06a2c219 GM |
10189 | |
10190 | /* Clear the cursor of window W to background color, and mark the | |
10191 | cursor as not shown. This is used when the text where the cursor | |
10192 | is is about to be rewritten. */ | |
10193 | ||
dc6f92b8 | 10194 | static void |
06a2c219 GM |
10195 | x_clear_cursor (w) |
10196 | struct window *w; | |
dc6f92b8 | 10197 | { |
06a2c219 GM |
10198 | if (FRAME_VISIBLE_P (XFRAME (w->frame)) && w->phys_cursor_on_p) |
10199 | x_update_window_cursor (w, 0); | |
10200 | } | |
90e65f07 | 10201 | |
dbc4e1c1 | 10202 | |
06a2c219 GM |
10203 | /* Draw the cursor glyph of window W in glyph row ROW. See the |
10204 | comment of x_draw_glyphs for the meaning of HL. */ | |
dbc4e1c1 | 10205 | |
06a2c219 GM |
10206 | static void |
10207 | x_draw_phys_cursor_glyph (w, row, hl) | |
10208 | struct window *w; | |
10209 | struct glyph_row *row; | |
10210 | enum draw_glyphs_face hl; | |
10211 | { | |
10212 | /* If cursor hpos is out of bounds, don't draw garbage. This can | |
10213 | happen in mini-buffer windows when switching between echo area | |
10214 | glyphs and mini-buffer. */ | |
10215 | if (w->phys_cursor.hpos < row->used[TEXT_AREA]) | |
66ac4b0e GM |
10216 | { |
10217 | x_draw_glyphs (w, w->phys_cursor.x, row, TEXT_AREA, | |
10218 | w->phys_cursor.hpos, w->phys_cursor.hpos + 1, | |
10219 | hl, 0, 0, 0); | |
10220 | ||
10221 | /* When we erase the cursor, and ROW is overlapped by other | |
10222 | rows, make sure that these overlapping parts of other rows | |
10223 | are redrawn. */ | |
10224 | if (hl == DRAW_NORMAL_TEXT && row->overlapped_p) | |
10225 | { | |
10226 | if (row > w->current_matrix->rows | |
10227 | && MATRIX_ROW_OVERLAPS_SUCC_P (row - 1)) | |
10228 | x_fix_overlapping_area (w, row - 1, TEXT_AREA); | |
10229 | ||
10230 | if (MATRIX_ROW_BOTTOM_Y (row) < window_text_bottom_y (w) | |
10231 | && MATRIX_ROW_OVERLAPS_PRED_P (row + 1)) | |
10232 | x_fix_overlapping_area (w, row + 1, TEXT_AREA); | |
10233 | } | |
10234 | } | |
06a2c219 | 10235 | } |
dbc4e1c1 | 10236 | |
eea6af04 | 10237 | |
06a2c219 | 10238 | /* Erase the image of a cursor of window W from the screen. */ |
eea6af04 | 10239 | |
06a2c219 GM |
10240 | static void |
10241 | x_erase_phys_cursor (w) | |
10242 | struct window *w; | |
10243 | { | |
10244 | struct frame *f = XFRAME (w->frame); | |
10245 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
10246 | int hpos = w->phys_cursor.hpos; | |
10247 | int vpos = w->phys_cursor.vpos; | |
10248 | int mouse_face_here_p = 0; | |
10249 | struct glyph_matrix *active_glyphs = w->current_matrix; | |
10250 | struct glyph_row *cursor_row; | |
10251 | struct glyph *cursor_glyph; | |
10252 | enum draw_glyphs_face hl; | |
10253 | ||
10254 | /* No cursor displayed or row invalidated => nothing to do on the | |
10255 | screen. */ | |
10256 | if (w->phys_cursor_type == NO_CURSOR) | |
10257 | goto mark_cursor_off; | |
10258 | ||
10259 | /* VPOS >= active_glyphs->nrows means that window has been resized. | |
10260 | Don't bother to erase the cursor. */ | |
10261 | if (vpos >= active_glyphs->nrows) | |
10262 | goto mark_cursor_off; | |
10263 | ||
10264 | /* If row containing cursor is marked invalid, there is nothing we | |
10265 | can do. */ | |
10266 | cursor_row = MATRIX_ROW (active_glyphs, vpos); | |
10267 | if (!cursor_row->enabled_p) | |
10268 | goto mark_cursor_off; | |
10269 | ||
10270 | /* This can happen when the new row is shorter than the old one. | |
10271 | In this case, either x_draw_glyphs or clear_end_of_line | |
10272 | should have cleared the cursor. Note that we wouldn't be | |
10273 | able to erase the cursor in this case because we don't have a | |
10274 | cursor glyph at hand. */ | |
10275 | if (w->phys_cursor.hpos >= cursor_row->used[TEXT_AREA]) | |
10276 | goto mark_cursor_off; | |
10277 | ||
10278 | /* If the cursor is in the mouse face area, redisplay that when | |
10279 | we clear the cursor. */ | |
8801a864 KR |
10280 | if (! NILP (dpyinfo->mouse_face_window) |
10281 | && w == XWINDOW (dpyinfo->mouse_face_window) | |
06a2c219 GM |
10282 | && (vpos > dpyinfo->mouse_face_beg_row |
10283 | || (vpos == dpyinfo->mouse_face_beg_row | |
10284 | && hpos >= dpyinfo->mouse_face_beg_col)) | |
10285 | && (vpos < dpyinfo->mouse_face_end_row | |
10286 | || (vpos == dpyinfo->mouse_face_end_row | |
10287 | && hpos < dpyinfo->mouse_face_end_col)) | |
10288 | /* Don't redraw the cursor's spot in mouse face if it is at the | |
10289 | end of a line (on a newline). The cursor appears there, but | |
10290 | mouse highlighting does not. */ | |
10291 | && cursor_row->used[TEXT_AREA] > hpos) | |
10292 | mouse_face_here_p = 1; | |
10293 | ||
10294 | /* Maybe clear the display under the cursor. */ | |
10295 | if (w->phys_cursor_type == HOLLOW_BOX_CURSOR) | |
10296 | { | |
10297 | int x; | |
045dee35 | 10298 | int header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); |
dbc4e1c1 | 10299 | |
06a2c219 GM |
10300 | cursor_glyph = get_phys_cursor_glyph (w); |
10301 | if (cursor_glyph == NULL) | |
10302 | goto mark_cursor_off; | |
dbc4e1c1 | 10303 | |
06a2c219 GM |
10304 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x), |
10305 | ||
10306 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
10307 | x, | |
045dee35 | 10308 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, |
06a2c219 GM |
10309 | cursor_row->y)), |
10310 | cursor_glyph->pixel_width, | |
10311 | cursor_row->visible_height, | |
10312 | False); | |
dbc4e1c1 | 10313 | } |
06a2c219 GM |
10314 | |
10315 | /* Erase the cursor by redrawing the character underneath it. */ | |
10316 | if (mouse_face_here_p) | |
10317 | hl = DRAW_MOUSE_FACE; | |
10318 | else if (cursor_row->inverse_p) | |
10319 | hl = DRAW_INVERSE_VIDEO; | |
10320 | else | |
10321 | hl = DRAW_NORMAL_TEXT; | |
10322 | x_draw_phys_cursor_glyph (w, cursor_row, hl); | |
dbc4e1c1 | 10323 | |
06a2c219 GM |
10324 | mark_cursor_off: |
10325 | w->phys_cursor_on_p = 0; | |
10326 | w->phys_cursor_type = NO_CURSOR; | |
dbc4e1c1 JB |
10327 | } |
10328 | ||
10329 | ||
06a2c219 GM |
10330 | /* Display or clear cursor of window W. If ON is zero, clear the |
10331 | cursor. If it is non-zero, display the cursor. If ON is nonzero, | |
10332 | where to put the cursor is specified by HPOS, VPOS, X and Y. */ | |
dbc4e1c1 | 10333 | |
06a2c219 GM |
10334 | void |
10335 | x_display_and_set_cursor (w, on, hpos, vpos, x, y) | |
10336 | struct window *w; | |
10337 | int on, hpos, vpos, x, y; | |
dbc4e1c1 | 10338 | { |
06a2c219 GM |
10339 | struct frame *f = XFRAME (w->frame); |
10340 | int new_cursor_type; | |
f02d8aa0 | 10341 | int new_cursor_width; |
06a2c219 GM |
10342 | struct glyph_matrix *current_glyphs; |
10343 | struct glyph_row *glyph_row; | |
10344 | struct glyph *glyph; | |
dbc4e1c1 | 10345 | |
49d838ea | 10346 | /* This is pointless on invisible frames, and dangerous on garbaged |
06a2c219 GM |
10347 | windows and frames; in the latter case, the frame or window may |
10348 | be in the midst of changing its size, and x and y may be off the | |
10349 | window. */ | |
10350 | if (! FRAME_VISIBLE_P (f) | |
10351 | || FRAME_GARBAGED_P (f) | |
10352 | || vpos >= w->current_matrix->nrows | |
10353 | || hpos >= w->current_matrix->matrix_w) | |
dc6f92b8 JB |
10354 | return; |
10355 | ||
10356 | /* If cursor is off and we want it off, return quickly. */ | |
06a2c219 | 10357 | if (!on && !w->phys_cursor_on_p) |
dc6f92b8 JB |
10358 | return; |
10359 | ||
06a2c219 GM |
10360 | current_glyphs = w->current_matrix; |
10361 | glyph_row = MATRIX_ROW (current_glyphs, vpos); | |
10362 | glyph = glyph_row->glyphs[TEXT_AREA] + hpos; | |
10363 | ||
10364 | /* If cursor row is not enabled, we don't really know where to | |
10365 | display the cursor. */ | |
10366 | if (!glyph_row->enabled_p) | |
10367 | { | |
10368 | w->phys_cursor_on_p = 0; | |
10369 | return; | |
10370 | } | |
10371 | ||
10372 | xassert (interrupt_input_blocked); | |
10373 | ||
10374 | /* Set new_cursor_type to the cursor we want to be displayed. In a | |
10375 | mini-buffer window, we want the cursor only to appear if we are | |
10376 | reading input from this window. For the selected window, we want | |
10377 | the cursor type given by the frame parameter. If explicitly | |
10378 | marked off, draw no cursor. In all other cases, we want a hollow | |
10379 | box cursor. */ | |
f02d8aa0 | 10380 | new_cursor_width = -1; |
9b4a7047 GM |
10381 | if (cursor_in_echo_area |
10382 | && FRAME_HAS_MINIBUF_P (f) | |
10383 | && EQ (FRAME_MINIBUF_WINDOW (f), echo_area_window)) | |
06a2c219 | 10384 | { |
9b4a7047 GM |
10385 | if (w == XWINDOW (echo_area_window)) |
10386 | new_cursor_type = FRAME_DESIRED_CURSOR (f); | |
06a2c219 GM |
10387 | else |
10388 | new_cursor_type = HOLLOW_BOX_CURSOR; | |
10389 | } | |
06a2c219 | 10390 | else |
9b4a7047 GM |
10391 | { |
10392 | if (w != XWINDOW (selected_window) | |
10393 | || f != FRAME_X_DISPLAY_INFO (f)->x_highlight_frame) | |
10394 | { | |
e55a0b79 GM |
10395 | extern int cursor_in_non_selected_windows; |
10396 | ||
10397 | if (MINI_WINDOW_P (w) || !cursor_in_non_selected_windows) | |
9b4a7047 GM |
10398 | new_cursor_type = NO_CURSOR; |
10399 | else | |
10400 | new_cursor_type = HOLLOW_BOX_CURSOR; | |
10401 | } | |
10402 | else if (w->cursor_off_p) | |
10403 | new_cursor_type = NO_CURSOR; | |
10404 | else | |
f02d8aa0 GM |
10405 | { |
10406 | struct buffer *b = XBUFFER (w->buffer); | |
10407 | ||
10408 | if (EQ (b->cursor_type, Qt)) | |
10409 | new_cursor_type = FRAME_DESIRED_CURSOR (f); | |
10410 | else | |
10411 | new_cursor_type = x_specified_cursor_type (b->cursor_type, | |
10412 | &new_cursor_width); | |
10413 | } | |
9b4a7047 | 10414 | } |
06a2c219 GM |
10415 | |
10416 | /* If cursor is currently being shown and we don't want it to be or | |
10417 | it is in the wrong place, or the cursor type is not what we want, | |
dc6f92b8 | 10418 | erase it. */ |
06a2c219 | 10419 | if (w->phys_cursor_on_p |
dc6f92b8 | 10420 | && (!on |
06a2c219 GM |
10421 | || w->phys_cursor.x != x |
10422 | || w->phys_cursor.y != y | |
10423 | || new_cursor_type != w->phys_cursor_type)) | |
10424 | x_erase_phys_cursor (w); | |
10425 | ||
10426 | /* If the cursor is now invisible and we want it to be visible, | |
10427 | display it. */ | |
10428 | if (on && !w->phys_cursor_on_p) | |
10429 | { | |
10430 | w->phys_cursor_ascent = glyph_row->ascent; | |
10431 | w->phys_cursor_height = glyph_row->height; | |
10432 | ||
10433 | /* Set phys_cursor_.* before x_draw_.* is called because some | |
10434 | of them may need the information. */ | |
10435 | w->phys_cursor.x = x; | |
10436 | w->phys_cursor.y = glyph_row->y; | |
10437 | w->phys_cursor.hpos = hpos; | |
10438 | w->phys_cursor.vpos = vpos; | |
10439 | w->phys_cursor_type = new_cursor_type; | |
10440 | w->phys_cursor_on_p = 1; | |
10441 | ||
10442 | switch (new_cursor_type) | |
dc6f92b8 | 10443 | { |
06a2c219 GM |
10444 | case HOLLOW_BOX_CURSOR: |
10445 | x_draw_hollow_cursor (w, glyph_row); | |
10446 | break; | |
10447 | ||
10448 | case FILLED_BOX_CURSOR: | |
10449 | x_draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR); | |
10450 | break; | |
10451 | ||
10452 | case BAR_CURSOR: | |
f02d8aa0 | 10453 | x_draw_bar_cursor (w, glyph_row, new_cursor_width); |
06a2c219 GM |
10454 | break; |
10455 | ||
10456 | case NO_CURSOR: | |
10457 | break; | |
dc6f92b8 | 10458 | |
06a2c219 GM |
10459 | default: |
10460 | abort (); | |
10461 | } | |
59ddecde GM |
10462 | |
10463 | #ifdef HAVE_X_I18N | |
10464 | if (w == XWINDOW (f->selected_window)) | |
10465 | if (FRAME_XIC (f) && (FRAME_XIC_STYLE (f) & XIMPreeditPosition)) | |
10466 | xic_set_preeditarea (w, x, y); | |
10467 | #endif | |
dc6f92b8 JB |
10468 | } |
10469 | ||
06a2c219 | 10470 | #ifndef XFlush |
f676886a | 10471 | if (updating_frame != f) |
334208b7 | 10472 | XFlush (FRAME_X_DISPLAY (f)); |
06a2c219 | 10473 | #endif |
dc6f92b8 JB |
10474 | } |
10475 | ||
06a2c219 GM |
10476 | |
10477 | /* Display the cursor on window W, or clear it. X and Y are window | |
10478 | relative pixel coordinates. HPOS and VPOS are glyph matrix | |
10479 | positions. If W is not the selected window, display a hollow | |
10480 | cursor. ON non-zero means display the cursor at X, Y which | |
10481 | correspond to HPOS, VPOS, otherwise it is cleared. */ | |
5d46f928 | 10482 | |
dfcf069d | 10483 | void |
06a2c219 GM |
10484 | x_display_cursor (w, on, hpos, vpos, x, y) |
10485 | struct window *w; | |
10486 | int on, hpos, vpos, x, y; | |
dc6f92b8 | 10487 | { |
f94397b5 | 10488 | BLOCK_INPUT; |
06a2c219 | 10489 | x_display_and_set_cursor (w, on, hpos, vpos, x, y); |
5d46f928 RS |
10490 | UNBLOCK_INPUT; |
10491 | } | |
10492 | ||
06a2c219 GM |
10493 | |
10494 | /* Display the cursor on window W, or clear it, according to ON_P. | |
5d46f928 RS |
10495 | Don't change the cursor's position. */ |
10496 | ||
dfcf069d | 10497 | void |
06a2c219 | 10498 | x_update_cursor (f, on_p) |
5d46f928 | 10499 | struct frame *f; |
5d46f928 | 10500 | { |
06a2c219 GM |
10501 | x_update_cursor_in_window_tree (XWINDOW (f->root_window), on_p); |
10502 | } | |
10503 | ||
10504 | ||
10505 | /* Call x_update_window_cursor with parameter ON_P on all leaf windows | |
10506 | in the window tree rooted at W. */ | |
10507 | ||
10508 | static void | |
10509 | x_update_cursor_in_window_tree (w, on_p) | |
10510 | struct window *w; | |
10511 | int on_p; | |
10512 | { | |
10513 | while (w) | |
10514 | { | |
10515 | if (!NILP (w->hchild)) | |
10516 | x_update_cursor_in_window_tree (XWINDOW (w->hchild), on_p); | |
10517 | else if (!NILP (w->vchild)) | |
10518 | x_update_cursor_in_window_tree (XWINDOW (w->vchild), on_p); | |
10519 | else | |
10520 | x_update_window_cursor (w, on_p); | |
10521 | ||
10522 | w = NILP (w->next) ? 0 : XWINDOW (w->next); | |
10523 | } | |
10524 | } | |
5d46f928 | 10525 | |
f94397b5 | 10526 | |
06a2c219 GM |
10527 | /* Switch the display of W's cursor on or off, according to the value |
10528 | of ON. */ | |
10529 | ||
10530 | static void | |
10531 | x_update_window_cursor (w, on) | |
10532 | struct window *w; | |
10533 | int on; | |
10534 | { | |
16b5d424 GM |
10535 | /* Don't update cursor in windows whose frame is in the process |
10536 | of being deleted. */ | |
10537 | if (w->current_matrix) | |
10538 | { | |
10539 | BLOCK_INPUT; | |
10540 | x_display_and_set_cursor (w, on, w->phys_cursor.hpos, w->phys_cursor.vpos, | |
10541 | w->phys_cursor.x, w->phys_cursor.y); | |
10542 | UNBLOCK_INPUT; | |
10543 | } | |
dc6f92b8 | 10544 | } |
06a2c219 GM |
10545 | |
10546 | ||
10547 | ||
dc6f92b8 JB |
10548 | \f |
10549 | /* Icons. */ | |
10550 | ||
f676886a | 10551 | /* Refresh bitmap kitchen sink icon for frame F |
06a2c219 | 10552 | when we get an expose event for it. */ |
dc6f92b8 | 10553 | |
dfcf069d | 10554 | void |
f676886a JB |
10555 | refreshicon (f) |
10556 | struct frame *f; | |
dc6f92b8 | 10557 | { |
06a2c219 | 10558 | /* Normally, the window manager handles this function. */ |
dc6f92b8 JB |
10559 | } |
10560 | ||
dbc4e1c1 | 10561 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
10562 | |
10563 | int | |
990ba854 | 10564 | x_bitmap_icon (f, file) |
f676886a | 10565 | struct frame *f; |
990ba854 | 10566 | Lisp_Object file; |
dc6f92b8 | 10567 | { |
06a2c219 | 10568 | int bitmap_id; |
dc6f92b8 | 10569 | |
c118dd06 | 10570 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
10571 | return 1; |
10572 | ||
990ba854 | 10573 | /* Free up our existing icon bitmap if any. */ |
7556890b RS |
10574 | if (f->output_data.x->icon_bitmap > 0) |
10575 | x_destroy_bitmap (f, f->output_data.x->icon_bitmap); | |
10576 | f->output_data.x->icon_bitmap = 0; | |
990ba854 RS |
10577 | |
10578 | if (STRINGP (file)) | |
7f2ae036 RS |
10579 | bitmap_id = x_create_bitmap_from_file (f, file); |
10580 | else | |
10581 | { | |
990ba854 | 10582 | /* Create the GNU bitmap if necessary. */ |
5bf01b68 | 10583 | if (FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id < 0) |
334208b7 RS |
10584 | FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id |
10585 | = x_create_bitmap_from_data (f, gnu_bits, | |
10586 | gnu_width, gnu_height); | |
990ba854 RS |
10587 | |
10588 | /* The first time we create the GNU bitmap, | |
06a2c219 | 10589 | this increments the ref-count one extra time. |
990ba854 RS |
10590 | As a result, the GNU bitmap is never freed. |
10591 | That way, we don't have to worry about allocating it again. */ | |
334208b7 | 10592 | x_reference_bitmap (f, FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id); |
990ba854 | 10593 | |
334208b7 | 10594 | bitmap_id = FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id; |
7f2ae036 RS |
10595 | } |
10596 | ||
10597 | x_wm_set_icon_pixmap (f, bitmap_id); | |
7556890b | 10598 | f->output_data.x->icon_bitmap = bitmap_id; |
dc6f92b8 JB |
10599 | |
10600 | return 0; | |
10601 | } | |
10602 | ||
10603 | ||
1be2d067 KH |
10604 | /* Make the x-window of frame F use a rectangle with text. |
10605 | Use ICON_NAME as the text. */ | |
dc6f92b8 JB |
10606 | |
10607 | int | |
f676886a JB |
10608 | x_text_icon (f, icon_name) |
10609 | struct frame *f; | |
dc6f92b8 JB |
10610 | char *icon_name; |
10611 | { | |
c118dd06 | 10612 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
10613 | return 1; |
10614 | ||
1be2d067 KH |
10615 | #ifdef HAVE_X11R4 |
10616 | { | |
10617 | XTextProperty text; | |
10618 | text.value = (unsigned char *) icon_name; | |
10619 | text.encoding = XA_STRING; | |
10620 | text.format = 8; | |
10621 | text.nitems = strlen (icon_name); | |
10622 | #ifdef USE_X_TOOLKIT | |
7556890b | 10623 | XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
1be2d067 KH |
10624 | &text); |
10625 | #else /* not USE_X_TOOLKIT */ | |
10626 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text); | |
10627 | #endif /* not USE_X_TOOLKIT */ | |
10628 | } | |
10629 | #else /* not HAVE_X11R4 */ | |
10630 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), icon_name); | |
10631 | #endif /* not HAVE_X11R4 */ | |
58769bee | 10632 | |
7556890b RS |
10633 | if (f->output_data.x->icon_bitmap > 0) |
10634 | x_destroy_bitmap (f, f->output_data.x->icon_bitmap); | |
10635 | f->output_data.x->icon_bitmap = 0; | |
b1c884c3 | 10636 | x_wm_set_icon_pixmap (f, 0); |
dc6f92b8 JB |
10637 | |
10638 | return 0; | |
10639 | } | |
10640 | \f | |
e99db5a1 RS |
10641 | #define X_ERROR_MESSAGE_SIZE 200 |
10642 | ||
10643 | /* If non-nil, this should be a string. | |
10644 | It means catch X errors and store the error message in this string. */ | |
10645 | ||
10646 | static Lisp_Object x_error_message_string; | |
10647 | ||
10648 | /* An X error handler which stores the error message in | |
10649 | x_error_message_string. This is called from x_error_handler if | |
10650 | x_catch_errors is in effect. */ | |
10651 | ||
06a2c219 | 10652 | static void |
e99db5a1 RS |
10653 | x_error_catcher (display, error) |
10654 | Display *display; | |
10655 | XErrorEvent *error; | |
10656 | { | |
10657 | XGetErrorText (display, error->error_code, | |
10658 | XSTRING (x_error_message_string)->data, | |
10659 | X_ERROR_MESSAGE_SIZE); | |
10660 | } | |
10661 | ||
10662 | /* Begin trapping X errors for display DPY. Actually we trap X errors | |
10663 | for all displays, but DPY should be the display you are actually | |
10664 | operating on. | |
10665 | ||
10666 | After calling this function, X protocol errors no longer cause | |
10667 | Emacs to exit; instead, they are recorded in the string | |
10668 | stored in x_error_message_string. | |
10669 | ||
10670 | Calling x_check_errors signals an Emacs error if an X error has | |
10671 | occurred since the last call to x_catch_errors or x_check_errors. | |
10672 | ||
10673 | Calling x_uncatch_errors resumes the normal error handling. */ | |
10674 | ||
10675 | void x_check_errors (); | |
10676 | static Lisp_Object x_catch_errors_unwind (); | |
10677 | ||
10678 | int | |
10679 | x_catch_errors (dpy) | |
10680 | Display *dpy; | |
10681 | { | |
10682 | int count = specpdl_ptr - specpdl; | |
10683 | ||
10684 | /* Make sure any errors from previous requests have been dealt with. */ | |
10685 | XSync (dpy, False); | |
10686 | ||
10687 | record_unwind_protect (x_catch_errors_unwind, x_error_message_string); | |
10688 | ||
10689 | x_error_message_string = make_uninit_string (X_ERROR_MESSAGE_SIZE); | |
10690 | XSTRING (x_error_message_string)->data[0] = 0; | |
10691 | ||
10692 | return count; | |
10693 | } | |
10694 | ||
10695 | /* Unbind the binding that we made to check for X errors. */ | |
10696 | ||
10697 | static Lisp_Object | |
10698 | x_catch_errors_unwind (old_val) | |
10699 | Lisp_Object old_val; | |
10700 | { | |
10701 | x_error_message_string = old_val; | |
10702 | return Qnil; | |
10703 | } | |
10704 | ||
10705 | /* If any X protocol errors have arrived since the last call to | |
10706 | x_catch_errors or x_check_errors, signal an Emacs error using | |
10707 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
10708 | ||
10709 | void | |
10710 | x_check_errors (dpy, format) | |
10711 | Display *dpy; | |
10712 | char *format; | |
10713 | { | |
10714 | /* Make sure to catch any errors incurred so far. */ | |
10715 | XSync (dpy, False); | |
10716 | ||
10717 | if (XSTRING (x_error_message_string)->data[0]) | |
10718 | error (format, XSTRING (x_error_message_string)->data); | |
10719 | } | |
10720 | ||
9829ddba RS |
10721 | /* Nonzero if we had any X protocol errors |
10722 | since we did x_catch_errors on DPY. */ | |
e99db5a1 RS |
10723 | |
10724 | int | |
10725 | x_had_errors_p (dpy) | |
10726 | Display *dpy; | |
10727 | { | |
10728 | /* Make sure to catch any errors incurred so far. */ | |
10729 | XSync (dpy, False); | |
10730 | ||
10731 | return XSTRING (x_error_message_string)->data[0] != 0; | |
10732 | } | |
10733 | ||
9829ddba RS |
10734 | /* Forget about any errors we have had, since we did x_catch_errors on DPY. */ |
10735 | ||
06a2c219 | 10736 | void |
9829ddba RS |
10737 | x_clear_errors (dpy) |
10738 | Display *dpy; | |
10739 | { | |
10740 | XSTRING (x_error_message_string)->data[0] = 0; | |
10741 | } | |
10742 | ||
e99db5a1 RS |
10743 | /* Stop catching X protocol errors and let them make Emacs die. |
10744 | DPY should be the display that was passed to x_catch_errors. | |
10745 | COUNT should be the value that was returned by | |
10746 | the corresponding call to x_catch_errors. */ | |
10747 | ||
10748 | void | |
10749 | x_uncatch_errors (dpy, count) | |
10750 | Display *dpy; | |
10751 | int count; | |
10752 | { | |
10753 | unbind_to (count, Qnil); | |
10754 | } | |
10755 | ||
10756 | #if 0 | |
10757 | static unsigned int x_wire_count; | |
10758 | x_trace_wire () | |
10759 | { | |
10760 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
10761 | } | |
10762 | #endif /* ! 0 */ | |
10763 | ||
10764 | \f | |
10765 | /* Handle SIGPIPE, which can happen when the connection to a server | |
10766 | simply goes away. SIGPIPE is handled by x_connection_signal. | |
10767 | Don't need to do anything, because the write which caused the | |
10768 | SIGPIPE will fail, causing Xlib to invoke the X IO error handler, | |
06a2c219 | 10769 | which will do the appropriate cleanup for us. */ |
e99db5a1 RS |
10770 | |
10771 | static SIGTYPE | |
10772 | x_connection_signal (signalnum) /* If we don't have an argument, */ | |
06a2c219 | 10773 | int signalnum; /* some compilers complain in signal calls. */ |
e99db5a1 RS |
10774 | { |
10775 | #ifdef USG | |
10776 | /* USG systems forget handlers when they are used; | |
10777 | must reestablish each time */ | |
10778 | signal (signalnum, x_connection_signal); | |
10779 | #endif /* USG */ | |
10780 | } | |
10781 | \f | |
4746118a JB |
10782 | /* Handling X errors. */ |
10783 | ||
7a13e894 | 10784 | /* Handle the loss of connection to display DISPLAY. */ |
16bd92ea | 10785 | |
4746118a | 10786 | static SIGTYPE |
7a13e894 RS |
10787 | x_connection_closed (display, error_message) |
10788 | Display *display; | |
10789 | char *error_message; | |
4746118a | 10790 | { |
7a13e894 RS |
10791 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
10792 | Lisp_Object frame, tail; | |
10793 | ||
6186a4a0 RS |
10794 | /* Indicate that this display is dead. */ |
10795 | ||
2e465cdd | 10796 | #if 0 /* Closing the display caused a bus error on OpenWindows. */ |
f613a4c8 | 10797 | #ifdef USE_X_TOOLKIT |
adabc3a9 | 10798 | XtCloseDisplay (display); |
2e465cdd | 10799 | #endif |
f613a4c8 | 10800 | #endif |
adabc3a9 | 10801 | |
6186a4a0 RS |
10802 | dpyinfo->display = 0; |
10803 | ||
06a2c219 | 10804 | /* First delete frames whose mini-buffers are on frames |
7a13e894 RS |
10805 | that are on the dead display. */ |
10806 | FOR_EACH_FRAME (tail, frame) | |
10807 | { | |
10808 | Lisp_Object minibuf_frame; | |
10809 | minibuf_frame | |
10810 | = WINDOW_FRAME (XWINDOW (FRAME_MINIBUF_WINDOW (XFRAME (frame)))); | |
f48f33ca RS |
10811 | if (FRAME_X_P (XFRAME (frame)) |
10812 | && FRAME_X_P (XFRAME (minibuf_frame)) | |
10813 | && ! EQ (frame, minibuf_frame) | |
10814 | && FRAME_X_DISPLAY_INFO (XFRAME (minibuf_frame)) == dpyinfo) | |
7a13e894 RS |
10815 | Fdelete_frame (frame, Qt); |
10816 | } | |
10817 | ||
10818 | /* Now delete all remaining frames on the dead display. | |
06a2c219 | 10819 | We are now sure none of these is used as the mini-buffer |
7a13e894 RS |
10820 | for another frame that we need to delete. */ |
10821 | FOR_EACH_FRAME (tail, frame) | |
f48f33ca RS |
10822 | if (FRAME_X_P (XFRAME (frame)) |
10823 | && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
07a7096a KH |
10824 | { |
10825 | /* Set this to t so that Fdelete_frame won't get confused | |
10826 | trying to find a replacement. */ | |
10827 | FRAME_KBOARD (XFRAME (frame))->Vdefault_minibuffer_frame = Qt; | |
10828 | Fdelete_frame (frame, Qt); | |
10829 | } | |
7a13e894 | 10830 | |
482a1bd2 KH |
10831 | if (dpyinfo) |
10832 | x_delete_display (dpyinfo); | |
7a13e894 RS |
10833 | |
10834 | if (x_display_list == 0) | |
10835 | { | |
f8d07b62 | 10836 | fprintf (stderr, "%s\n", error_message); |
7a13e894 RS |
10837 | shut_down_emacs (0, 0, Qnil); |
10838 | exit (70); | |
10839 | } | |
12ba150f | 10840 | |
7a13e894 RS |
10841 | /* Ordinary stack unwind doesn't deal with these. */ |
10842 | #ifdef SIGIO | |
10843 | sigunblock (sigmask (SIGIO)); | |
10844 | #endif | |
10845 | sigunblock (sigmask (SIGALRM)); | |
10846 | TOTALLY_UNBLOCK_INPUT; | |
10847 | ||
aa4d9a9e | 10848 | clear_waiting_for_input (); |
7a13e894 | 10849 | error ("%s", error_message); |
4746118a JB |
10850 | } |
10851 | ||
7a13e894 RS |
10852 | /* This is the usual handler for X protocol errors. |
10853 | It kills all frames on the display that we got the error for. | |
10854 | If that was the only one, it prints an error message and kills Emacs. */ | |
10855 | ||
06a2c219 | 10856 | static void |
c118dd06 JB |
10857 | x_error_quitter (display, error) |
10858 | Display *display; | |
10859 | XErrorEvent *error; | |
10860 | { | |
7a13e894 | 10861 | char buf[256], buf1[356]; |
dc6f92b8 | 10862 | |
58769bee | 10863 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 10864 | original error handler. */ |
dc6f92b8 | 10865 | |
c118dd06 | 10866 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
0a0fdc70 | 10867 | sprintf (buf1, "X protocol error: %s on protocol request %d", |
c118dd06 | 10868 | buf, error->request_code); |
7a13e894 | 10869 | x_connection_closed (display, buf1); |
dc6f92b8 JB |
10870 | } |
10871 | ||
e99db5a1 RS |
10872 | /* This is the first-level handler for X protocol errors. |
10873 | It calls x_error_quitter or x_error_catcher. */ | |
7a13e894 | 10874 | |
8922af5f | 10875 | static int |
e99db5a1 | 10876 | x_error_handler (display, error) |
8922af5f | 10877 | Display *display; |
e99db5a1 | 10878 | XErrorEvent *error; |
8922af5f | 10879 | { |
e99db5a1 RS |
10880 | if (! NILP (x_error_message_string)) |
10881 | x_error_catcher (display, error); | |
10882 | else | |
10883 | x_error_quitter (display, error); | |
06a2c219 | 10884 | return 0; |
f9e24cb9 | 10885 | } |
c118dd06 | 10886 | |
e99db5a1 RS |
10887 | /* This is the handler for X IO errors, always. |
10888 | It kills all frames on the display that we lost touch with. | |
10889 | If that was the only one, it prints an error message and kills Emacs. */ | |
7a13e894 | 10890 | |
c118dd06 | 10891 | static int |
e99db5a1 | 10892 | x_io_error_quitter (display) |
c118dd06 | 10893 | Display *display; |
c118dd06 | 10894 | { |
e99db5a1 | 10895 | char buf[256]; |
dc6f92b8 | 10896 | |
e99db5a1 RS |
10897 | sprintf (buf, "Connection lost to X server `%s'", DisplayString (display)); |
10898 | x_connection_closed (display, buf); | |
06a2c219 | 10899 | return 0; |
dc6f92b8 | 10900 | } |
dc6f92b8 | 10901 | \f |
f451eb13 JB |
10902 | /* Changing the font of the frame. */ |
10903 | ||
76bcdf39 RS |
10904 | /* Give frame F the font named FONTNAME as its default font, and |
10905 | return the full name of that font. FONTNAME may be a wildcard | |
10906 | pattern; in that case, we choose some font that fits the pattern. | |
10907 | The return value shows which font we chose. */ | |
10908 | ||
b5cf7a0e | 10909 | Lisp_Object |
f676886a JB |
10910 | x_new_font (f, fontname) |
10911 | struct frame *f; | |
dc6f92b8 JB |
10912 | register char *fontname; |
10913 | { | |
dc43ef94 | 10914 | struct font_info *fontp |
ee569018 | 10915 | = FS_LOAD_FONT (f, 0, fontname, -1); |
dc6f92b8 | 10916 | |
dc43ef94 KH |
10917 | if (!fontp) |
10918 | return Qnil; | |
2224a5fc | 10919 | |
dc43ef94 | 10920 | f->output_data.x->font = (XFontStruct *) (fontp->font); |
b4192550 | 10921 | f->output_data.x->baseline_offset = fontp->baseline_offset; |
dc43ef94 KH |
10922 | f->output_data.x->fontset = -1; |
10923 | ||
b2cad826 KH |
10924 | /* Compute the scroll bar width in character columns. */ |
10925 | if (f->scroll_bar_pixel_width > 0) | |
10926 | { | |
7556890b | 10927 | int wid = FONT_WIDTH (f->output_data.x->font); |
b2cad826 KH |
10928 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; |
10929 | } | |
10930 | else | |
4e61bddf RS |
10931 | { |
10932 | int wid = FONT_WIDTH (f->output_data.x->font); | |
10933 | f->scroll_bar_cols = (14 + wid - 1) / wid; | |
10934 | } | |
b2cad826 | 10935 | |
f676886a | 10936 | /* Now make the frame display the given font. */ |
c118dd06 | 10937 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 10938 | { |
7556890b RS |
10939 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->normal_gc, |
10940 | f->output_data.x->font->fid); | |
10941 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->reverse_gc, | |
10942 | f->output_data.x->font->fid); | |
10943 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->cursor_gc, | |
10944 | f->output_data.x->font->fid); | |
f676886a | 10945 | |
a27f9f86 | 10946 | frame_update_line_height (f); |
0134a210 | 10947 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 10948 | } |
a27f9f86 RS |
10949 | else |
10950 | /* If we are setting a new frame's font for the first time, | |
10951 | there are no faces yet, so this font's height is the line height. */ | |
7556890b | 10952 | f->output_data.x->line_height = FONT_HEIGHT (f->output_data.x->font); |
dc6f92b8 | 10953 | |
dc43ef94 KH |
10954 | return build_string (fontp->full_name); |
10955 | } | |
10956 | ||
10957 | /* Give frame F the fontset named FONTSETNAME as its default font, and | |
10958 | return the full name of that fontset. FONTSETNAME may be a wildcard | |
b5210ea7 KH |
10959 | pattern; in that case, we choose some fontset that fits the pattern. |
10960 | The return value shows which fontset we chose. */ | |
b5cf7a0e | 10961 | |
dc43ef94 KH |
10962 | Lisp_Object |
10963 | x_new_fontset (f, fontsetname) | |
10964 | struct frame *f; | |
10965 | char *fontsetname; | |
10966 | { | |
ee569018 | 10967 | int fontset = fs_query_fontset (build_string (fontsetname), 0); |
dc43ef94 | 10968 | Lisp_Object result; |
ee569018 | 10969 | char *fontname; |
b5cf7a0e | 10970 | |
dc43ef94 KH |
10971 | if (fontset < 0) |
10972 | return Qnil; | |
b5cf7a0e | 10973 | |
2da424f1 KH |
10974 | if (f->output_data.x->fontset == fontset) |
10975 | /* This fontset is already set in frame F. There's nothing more | |
10976 | to do. */ | |
ee569018 | 10977 | return fontset_name (fontset); |
dc43ef94 | 10978 | |
ee569018 | 10979 | result = x_new_font (f, (XSTRING (fontset_ascii (fontset))->data)); |
dc43ef94 KH |
10980 | |
10981 | if (!STRINGP (result)) | |
10982 | /* Can't load ASCII font. */ | |
10983 | return Qnil; | |
10984 | ||
10985 | /* Since x_new_font doesn't update any fontset information, do it now. */ | |
10986 | f->output_data.x->fontset = fontset; | |
dc43ef94 | 10987 | |
f5d11644 GM |
10988 | #ifdef HAVE_X_I18N |
10989 | if (FRAME_XIC (f) | |
10990 | && (FRAME_XIC_STYLE (f) & (XIMPreeditPosition | XIMStatusArea))) | |
ee569018 | 10991 | xic_set_xfontset (f, XSTRING (fontset_ascii (fontset))->data); |
f5d11644 GM |
10992 | #endif |
10993 | ||
dc43ef94 | 10994 | return build_string (fontsetname); |
dc6f92b8 | 10995 | } |
f5d11644 GM |
10996 | |
10997 | \f | |
10998 | /*********************************************************************** | |
10999 | X Input Methods | |
11000 | ***********************************************************************/ | |
11001 | ||
11002 | #ifdef HAVE_X_I18N | |
11003 | ||
11004 | #ifdef HAVE_X11R6 | |
11005 | ||
11006 | /* XIM destroy callback function, which is called whenever the | |
11007 | connection to input method XIM dies. CLIENT_DATA contains a | |
11008 | pointer to the x_display_info structure corresponding to XIM. */ | |
11009 | ||
11010 | static void | |
11011 | xim_destroy_callback (xim, client_data, call_data) | |
11012 | XIM xim; | |
11013 | XPointer client_data; | |
11014 | XPointer call_data; | |
11015 | { | |
11016 | struct x_display_info *dpyinfo = (struct x_display_info *) client_data; | |
11017 | Lisp_Object frame, tail; | |
11018 | ||
11019 | BLOCK_INPUT; | |
11020 | ||
11021 | /* No need to call XDestroyIC.. */ | |
11022 | FOR_EACH_FRAME (tail, frame) | |
11023 | { | |
11024 | struct frame *f = XFRAME (frame); | |
11025 | if (FRAME_X_DISPLAY_INFO (f) == dpyinfo) | |
11026 | { | |
11027 | FRAME_XIC (f) = NULL; | |
11028 | if (FRAME_XIC_FONTSET (f)) | |
11029 | { | |
11030 | XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f)); | |
11031 | FRAME_XIC_FONTSET (f) = NULL; | |
11032 | } | |
11033 | } | |
11034 | } | |
11035 | ||
11036 | /* No need to call XCloseIM. */ | |
11037 | dpyinfo->xim = NULL; | |
11038 | XFree (dpyinfo->xim_styles); | |
11039 | UNBLOCK_INPUT; | |
11040 | } | |
11041 | ||
11042 | #endif /* HAVE_X11R6 */ | |
11043 | ||
11044 | /* Open the connection to the XIM server on display DPYINFO. | |
11045 | RESOURCE_NAME is the resource name Emacs uses. */ | |
11046 | ||
11047 | static void | |
11048 | xim_open_dpy (dpyinfo, resource_name) | |
11049 | struct x_display_info *dpyinfo; | |
11050 | char *resource_name; | |
11051 | { | |
11052 | XIM xim; | |
11053 | ||
11054 | xim = XOpenIM (dpyinfo->display, dpyinfo->xrdb, resource_name, EMACS_CLASS); | |
11055 | dpyinfo->xim = xim; | |
11056 | ||
11057 | if (xim) | |
11058 | { | |
f5d11644 GM |
11059 | #ifdef HAVE_X11R6 |
11060 | XIMCallback destroy; | |
11061 | #endif | |
11062 | ||
11063 | /* Get supported styles and XIM values. */ | |
11064 | XGetIMValues (xim, XNQueryInputStyle, &dpyinfo->xim_styles, NULL); | |
11065 | ||
11066 | #ifdef HAVE_X11R6 | |
11067 | destroy.callback = xim_destroy_callback; | |
11068 | destroy.client_data = (XPointer)dpyinfo; | |
11069 | XSetIMValues (xim, XNDestroyCallback, &destroy, NULL); | |
11070 | #endif | |
11071 | } | |
11072 | } | |
11073 | ||
11074 | ||
b9de836c | 11075 | #ifdef HAVE_X11R6_XIM |
f5d11644 GM |
11076 | |
11077 | struct xim_inst_t | |
11078 | { | |
11079 | struct x_display_info *dpyinfo; | |
11080 | char *resource_name; | |
11081 | }; | |
11082 | ||
11083 | /* XIM instantiate callback function, which is called whenever an XIM | |
11084 | server is available. DISPLAY is teh display of the XIM. | |
11085 | CLIENT_DATA contains a pointer to an xim_inst_t structure created | |
11086 | when the callback was registered. */ | |
11087 | ||
11088 | static void | |
11089 | xim_instantiate_callback (display, client_data, call_data) | |
11090 | Display *display; | |
11091 | XPointer client_data; | |
11092 | XPointer call_data; | |
11093 | { | |
11094 | struct xim_inst_t *xim_inst = (struct xim_inst_t *) client_data; | |
11095 | struct x_display_info *dpyinfo = xim_inst->dpyinfo; | |
11096 | ||
11097 | /* We don't support multiple XIM connections. */ | |
11098 | if (dpyinfo->xim) | |
11099 | return; | |
11100 | ||
11101 | xim_open_dpy (dpyinfo, xim_inst->resource_name); | |
11102 | ||
11103 | /* Create XIC for the existing frames on the same display, as long | |
11104 | as they have no XIC. */ | |
11105 | if (dpyinfo->xim && dpyinfo->reference_count > 0) | |
11106 | { | |
11107 | Lisp_Object tail, frame; | |
11108 | ||
11109 | BLOCK_INPUT; | |
11110 | FOR_EACH_FRAME (tail, frame) | |
11111 | { | |
11112 | struct frame *f = XFRAME (frame); | |
11113 | ||
11114 | if (FRAME_X_DISPLAY_INFO (f) == xim_inst->dpyinfo) | |
11115 | if (FRAME_XIC (f) == NULL) | |
11116 | { | |
11117 | create_frame_xic (f); | |
11118 | if (FRAME_XIC_STYLE (f) & XIMStatusArea) | |
11119 | xic_set_statusarea (f); | |
11120 | if (FRAME_XIC_STYLE (f) & XIMPreeditPosition) | |
11121 | { | |
11122 | struct window *w = XWINDOW (f->selected_window); | |
11123 | xic_set_preeditarea (w, w->cursor.x, w->cursor.y); | |
11124 | } | |
11125 | } | |
11126 | } | |
11127 | ||
11128 | UNBLOCK_INPUT; | |
11129 | } | |
11130 | } | |
11131 | ||
b9de836c | 11132 | #endif /* HAVE_X11R6_XIM */ |
f5d11644 GM |
11133 | |
11134 | ||
11135 | /* Open a connection to the XIM server on display DPYINFO. | |
11136 | RESOURCE_NAME is the resource name for Emacs. On X11R5, open the | |
11137 | connection only at the first time. On X11R6, open the connection | |
11138 | in the XIM instantiate callback function. */ | |
11139 | ||
11140 | static void | |
11141 | xim_initialize (dpyinfo, resource_name) | |
11142 | struct x_display_info *dpyinfo; | |
11143 | char *resource_name; | |
11144 | { | |
b9de836c | 11145 | #ifdef HAVE_X11R6_XIM |
f5d11644 GM |
11146 | struct xim_inst_t *xim_inst; |
11147 | int len; | |
11148 | ||
11149 | dpyinfo->xim = NULL; | |
11150 | xim_inst = (struct xim_inst_t *) xmalloc (sizeof (struct xim_inst_t)); | |
11151 | xim_inst->dpyinfo = dpyinfo; | |
11152 | len = strlen (resource_name); | |
11153 | xim_inst->resource_name = (char *) xmalloc (len + 1); | |
11154 | bcopy (resource_name, xim_inst->resource_name, len + 1); | |
11155 | XRegisterIMInstantiateCallback (dpyinfo->display, dpyinfo->xrdb, | |
11156 | resource_name, EMACS_CLASS, | |
11157 | xim_instantiate_callback, | |
2ebb2f8b DL |
11158 | /* Fixme: This is XPointer in |
11159 | XFree86 but (XPointer *) on | |
11160 | Tru64, at least. */ | |
11161 | (XPointer) xim_inst); | |
b9de836c | 11162 | #else /* not HAVE_X11R6_XIM */ |
f5d11644 GM |
11163 | dpyinfo->xim = NULL; |
11164 | xim_open_dpy (dpyinfo, resource_name); | |
b9de836c | 11165 | #endif /* not HAVE_X11R6_XIM */ |
f5d11644 GM |
11166 | } |
11167 | ||
11168 | ||
11169 | /* Close the connection to the XIM server on display DPYINFO. */ | |
11170 | ||
11171 | static void | |
11172 | xim_close_dpy (dpyinfo) | |
11173 | struct x_display_info *dpyinfo; | |
11174 | { | |
b9de836c | 11175 | #ifdef HAVE_X11R6_XIM |
f5d11644 GM |
11176 | XUnregisterIMInstantiateCallback (dpyinfo->display, dpyinfo->xrdb, |
11177 | NULL, EMACS_CLASS, | |
11178 | xim_instantiate_callback, NULL); | |
b9de836c | 11179 | #endif /* not HAVE_X11R6_XIM */ |
f5d11644 GM |
11180 | XCloseIM (dpyinfo->xim); |
11181 | dpyinfo->xim = NULL; | |
11182 | XFree (dpyinfo->xim_styles); | |
11183 | } | |
11184 | ||
b9de836c | 11185 | #endif /* not HAVE_X11R6_XIM */ |
f5d11644 GM |
11186 | |
11187 | ||
dc6f92b8 | 11188 | \f |
2e365682 RS |
11189 | /* Calculate the absolute position in frame F |
11190 | from its current recorded position values and gravity. */ | |
11191 | ||
dfcf069d | 11192 | void |
43bca5d5 | 11193 | x_calc_absolute_position (f) |
f676886a | 11194 | struct frame *f; |
dc6f92b8 | 11195 | { |
06a2c219 | 11196 | Window child; |
6dba1858 | 11197 | int win_x = 0, win_y = 0; |
7556890b | 11198 | int flags = f->output_data.x->size_hint_flags; |
c81412a0 KH |
11199 | int this_window; |
11200 | ||
9829ddba RS |
11201 | /* We have nothing to do if the current position |
11202 | is already for the top-left corner. */ | |
11203 | if (! ((flags & XNegative) || (flags & YNegative))) | |
11204 | return; | |
11205 | ||
c81412a0 | 11206 | #ifdef USE_X_TOOLKIT |
7556890b | 11207 | this_window = XtWindow (f->output_data.x->widget); |
c81412a0 KH |
11208 | #else |
11209 | this_window = FRAME_X_WINDOW (f); | |
11210 | #endif | |
6dba1858 RS |
11211 | |
11212 | /* Find the position of the outside upper-left corner of | |
9829ddba RS |
11213 | the inner window, with respect to the outer window. |
11214 | But do this only if we will need the results. */ | |
7556890b | 11215 | if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
6dba1858 | 11216 | { |
9829ddba RS |
11217 | int count; |
11218 | ||
6dba1858 | 11219 | BLOCK_INPUT; |
9829ddba RS |
11220 | count = x_catch_errors (FRAME_X_DISPLAY (f)); |
11221 | while (1) | |
11222 | { | |
11223 | x_clear_errors (FRAME_X_DISPLAY (f)); | |
11224 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
11225 | ||
11226 | /* From-window, to-window. */ | |
11227 | this_window, | |
11228 | f->output_data.x->parent_desc, | |
11229 | ||
11230 | /* From-position, to-position. */ | |
11231 | 0, 0, &win_x, &win_y, | |
11232 | ||
11233 | /* Child of win. */ | |
11234 | &child); | |
11235 | if (x_had_errors_p (FRAME_X_DISPLAY (f))) | |
11236 | { | |
11237 | Window newroot, newparent = 0xdeadbeef; | |
11238 | Window *newchildren; | |
2ebb2f8b | 11239 | unsigned int nchildren; |
9829ddba RS |
11240 | |
11241 | if (! XQueryTree (FRAME_X_DISPLAY (f), this_window, &newroot, | |
11242 | &newparent, &newchildren, &nchildren)) | |
11243 | break; | |
58769bee | 11244 | |
7c3c78a3 | 11245 | XFree ((char *) newchildren); |
6dba1858 | 11246 | |
9829ddba RS |
11247 | f->output_data.x->parent_desc = newparent; |
11248 | } | |
11249 | else | |
11250 | break; | |
11251 | } | |
6dba1858 | 11252 | |
9829ddba | 11253 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); |
6dba1858 RS |
11254 | UNBLOCK_INPUT; |
11255 | } | |
11256 | ||
11257 | /* Treat negative positions as relative to the leftmost bottommost | |
11258 | position that fits on the screen. */ | |
20f55f9a | 11259 | if (flags & XNegative) |
7556890b | 11260 | f->output_data.x->left_pos = (FRAME_X_DISPLAY_INFO (f)->width |
2e365682 RS |
11261 | - 2 * f->output_data.x->border_width - win_x |
11262 | - PIXEL_WIDTH (f) | |
11263 | + f->output_data.x->left_pos); | |
dc6f92b8 | 11264 | |
20f55f9a | 11265 | if (flags & YNegative) |
06a2c219 GM |
11266 | { |
11267 | int menubar_height = 0; | |
11268 | ||
11269 | #ifdef USE_X_TOOLKIT | |
11270 | if (f->output_data.x->menubar_widget) | |
11271 | menubar_height | |
11272 | = (f->output_data.x->menubar_widget->core.height | |
11273 | + f->output_data.x->menubar_widget->core.border_width); | |
11274 | #endif | |
11275 | ||
11276 | f->output_data.x->top_pos = (FRAME_X_DISPLAY_INFO (f)->height | |
11277 | - 2 * f->output_data.x->border_width | |
11278 | - win_y | |
11279 | - PIXEL_HEIGHT (f) | |
11280 | - menubar_height | |
11281 | + f->output_data.x->top_pos); | |
11282 | } | |
2e365682 | 11283 | |
3a35ab44 RS |
11284 | /* The left_pos and top_pos |
11285 | are now relative to the top and left screen edges, | |
11286 | so the flags should correspond. */ | |
7556890b | 11287 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); |
dc6f92b8 JB |
11288 | } |
11289 | ||
3a35ab44 RS |
11290 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
11291 | to really change the position, and 0 when calling from | |
11292 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
aa3ff7c9 KH |
11293 | position values). It is -1 when calling from x_set_frame_parameters, |
11294 | which means, do adjust for borders but don't change the gravity. */ | |
3a35ab44 | 11295 | |
dfcf069d | 11296 | void |
dc05a16b | 11297 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 11298 | struct frame *f; |
dc6f92b8 | 11299 | register int xoff, yoff; |
dc05a16b | 11300 | int change_gravity; |
dc6f92b8 | 11301 | { |
4a4cbdd5 KH |
11302 | int modified_top, modified_left; |
11303 | ||
aa3ff7c9 | 11304 | if (change_gravity > 0) |
3a35ab44 | 11305 | { |
7556890b RS |
11306 | f->output_data.x->top_pos = yoff; |
11307 | f->output_data.x->left_pos = xoff; | |
11308 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); | |
3a35ab44 | 11309 | if (xoff < 0) |
7556890b | 11310 | f->output_data.x->size_hint_flags |= XNegative; |
3a35ab44 | 11311 | if (yoff < 0) |
7556890b RS |
11312 | f->output_data.x->size_hint_flags |= YNegative; |
11313 | f->output_data.x->win_gravity = NorthWestGravity; | |
3a35ab44 | 11314 | } |
43bca5d5 | 11315 | x_calc_absolute_position (f); |
dc6f92b8 JB |
11316 | |
11317 | BLOCK_INPUT; | |
c32cdd9a | 11318 | x_wm_set_size_hint (f, (long) 0, 0); |
3a35ab44 | 11319 | |
7556890b RS |
11320 | modified_left = f->output_data.x->left_pos; |
11321 | modified_top = f->output_data.x->top_pos; | |
e73ec6fa RS |
11322 | #if 0 /* Running on psilocin (Debian), and displaying on the NCD X-terminal, |
11323 | this seems to be unnecessary and incorrect. rms, 4/17/97. */ | |
11324 | /* It is a mystery why we need to add the border_width here | |
11325 | when the frame is already visible, but experiment says we do. */ | |
aa3ff7c9 | 11326 | if (change_gravity != 0) |
4a4cbdd5 | 11327 | { |
7556890b RS |
11328 | modified_left += f->output_data.x->border_width; |
11329 | modified_top += f->output_data.x->border_width; | |
4a4cbdd5 | 11330 | } |
e73ec6fa | 11331 | #endif |
4a4cbdd5 | 11332 | |
3afe33e7 | 11333 | #ifdef USE_X_TOOLKIT |
7556890b | 11334 | XMoveWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
4a4cbdd5 | 11335 | modified_left, modified_top); |
3afe33e7 | 11336 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 11337 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
4a4cbdd5 | 11338 | modified_left, modified_top); |
3afe33e7 | 11339 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
11340 | UNBLOCK_INPUT; |
11341 | } | |
11342 | ||
bc20ebbf FP |
11343 | /* Call this to change the size of frame F's x-window. |
11344 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
11345 | for this size change and subsequent size changes. | |
11346 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 11347 | |
dfcf069d | 11348 | void |
bc20ebbf | 11349 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 11350 | struct frame *f; |
bc20ebbf | 11351 | int change_gravity; |
b1c884c3 | 11352 | int cols, rows; |
dc6f92b8 | 11353 | { |
06a2c219 | 11354 | #ifndef USE_X_TOOLKIT |
dc6f92b8 | 11355 | int pixelwidth, pixelheight; |
06a2c219 | 11356 | #endif |
dc6f92b8 | 11357 | |
80fd1fe2 | 11358 | BLOCK_INPUT; |
aee9a898 RS |
11359 | |
11360 | #ifdef USE_X_TOOLKIT | |
3a20653d RS |
11361 | { |
11362 | /* The x and y position of the widget is clobbered by the | |
11363 | call to XtSetValues within EmacsFrameSetCharSize. | |
11364 | This is a real kludge, but I don't understand Xt so I can't | |
11365 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
7556890b RS |
11366 | int xpos = f->output_data.x->widget->core.x; |
11367 | int ypos = f->output_data.x->widget->core.y; | |
11368 | EmacsFrameSetCharSize (f->output_data.x->edit_widget, cols, rows); | |
11369 | f->output_data.x->widget->core.x = xpos; | |
11370 | f->output_data.x->widget->core.y = ypos; | |
3a20653d | 11371 | } |
80fd1fe2 FP |
11372 | |
11373 | #else /* not USE_X_TOOLKIT */ | |
11374 | ||
b1c884c3 | 11375 | check_frame_size (f, &rows, &cols); |
7556890b | 11376 | f->output_data.x->vertical_scroll_bar_extra |
b2cad826 KH |
11377 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
11378 | ? 0 | |
11379 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
480407eb | 11380 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
7556890b | 11381 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font))); |
06a2c219 | 11382 | f->output_data.x->flags_areas_extra |
110859fc | 11383 | = FRAME_FLAGS_AREA_WIDTH (f); |
f451eb13 JB |
11384 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
11385 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 | 11386 | |
7556890b | 11387 | f->output_data.x->win_gravity = NorthWestGravity; |
c32cdd9a | 11388 | x_wm_set_size_hint (f, (long) 0, 0); |
6ccf47d1 | 11389 | |
334208b7 RS |
11390 | XSync (FRAME_X_DISPLAY (f), False); |
11391 | XResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
11392 | pixelwidth, pixelheight); | |
b1c884c3 JB |
11393 | |
11394 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
11395 | but the window manager will get around to dealing with the size | |
11396 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
11397 | ConfigureNotify event gets here. |
11398 | ||
11399 | We could just not bother storing any of this information here, | |
11400 | and let the ConfigureNotify event set everything up, but that | |
fddd5ceb | 11401 | might be kind of confusing to the Lisp code, since size changes |
dbc4e1c1 | 11402 | wouldn't be reported in the frame parameters until some random |
fddd5ceb RS |
11403 | point in the future when the ConfigureNotify event arrives. |
11404 | ||
11405 | We pass 1 for DELAY since we can't run Lisp code inside of | |
11406 | a BLOCK_INPUT. */ | |
7d1e984f | 11407 | change_frame_size (f, rows, cols, 0, 1, 0); |
b1c884c3 JB |
11408 | PIXEL_WIDTH (f) = pixelwidth; |
11409 | PIXEL_HEIGHT (f) = pixelheight; | |
11410 | ||
aee9a898 RS |
11411 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
11412 | receive in the ConfigureNotify event; if we get what we asked | |
11413 | for, then the event won't cause the screen to become garbaged, so | |
11414 | we have to make sure to do it here. */ | |
11415 | SET_FRAME_GARBAGED (f); | |
11416 | ||
11417 | XFlush (FRAME_X_DISPLAY (f)); | |
11418 | ||
11419 | #endif /* not USE_X_TOOLKIT */ | |
11420 | ||
4d73d038 | 11421 | /* If cursor was outside the new size, mark it as off. */ |
06a2c219 | 11422 | mark_window_cursors_off (XWINDOW (f->root_window)); |
4d73d038 | 11423 | |
aee9a898 RS |
11424 | /* Clear out any recollection of where the mouse highlighting was, |
11425 | since it might be in a place that's outside the new frame size. | |
11426 | Actually checking whether it is outside is a pain in the neck, | |
11427 | so don't try--just let the highlighting be done afresh with new size. */ | |
e687d06e | 11428 | cancel_mouse_face (f); |
dbc4e1c1 | 11429 | |
dc6f92b8 JB |
11430 | UNBLOCK_INPUT; |
11431 | } | |
dc6f92b8 | 11432 | \f |
d047c4eb | 11433 | /* Mouse warping. */ |
dc6f92b8 | 11434 | |
9b378208 | 11435 | void |
f676886a JB |
11436 | x_set_mouse_position (f, x, y) |
11437 | struct frame *f; | |
dc6f92b8 JB |
11438 | int x, y; |
11439 | { | |
11440 | int pix_x, pix_y; | |
11441 | ||
7556890b RS |
11442 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.x->font) / 2; |
11443 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.x->line_height / 2; | |
f451eb13 JB |
11444 | |
11445 | if (pix_x < 0) pix_x = 0; | |
11446 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
11447 | ||
11448 | if (pix_y < 0) pix_y = 0; | |
11449 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
11450 | |
11451 | BLOCK_INPUT; | |
dc6f92b8 | 11452 | |
334208b7 RS |
11453 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
11454 | 0, 0, 0, 0, pix_x, pix_y); | |
dc6f92b8 JB |
11455 | UNBLOCK_INPUT; |
11456 | } | |
11457 | ||
9b378208 RS |
11458 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
11459 | ||
11460 | void | |
11461 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
11462 | struct frame *f; | |
11463 | int pix_x, pix_y; | |
11464 | { | |
11465 | BLOCK_INPUT; | |
11466 | ||
334208b7 RS |
11467 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
11468 | 0, 0, 0, 0, pix_x, pix_y); | |
9b378208 RS |
11469 | UNBLOCK_INPUT; |
11470 | } | |
d047c4eb KH |
11471 | \f |
11472 | /* focus shifting, raising and lowering. */ | |
9b378208 | 11473 | |
dfcf069d | 11474 | void |
f676886a JB |
11475 | x_focus_on_frame (f) |
11476 | struct frame *f; | |
dc6f92b8 | 11477 | { |
1fb20991 | 11478 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 11479 | x_raise_frame (f); |
1fb20991 | 11480 | #endif |
6d4238f3 JB |
11481 | #if 0 |
11482 | /* I don't think that the ICCCM allows programs to do things like this | |
11483 | without the interaction of the window manager. Whatever you end up | |
f676886a | 11484 | doing with this code, do it to x_unfocus_frame too. */ |
334208b7 | 11485 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dc6f92b8 | 11486 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 11487 | #endif /* ! 0 */ |
dc6f92b8 JB |
11488 | } |
11489 | ||
dfcf069d | 11490 | void |
f676886a JB |
11491 | x_unfocus_frame (f) |
11492 | struct frame *f; | |
dc6f92b8 | 11493 | { |
6d4238f3 | 11494 | #if 0 |
f676886a | 11495 | /* Look at the remarks in x_focus_on_frame. */ |
0f941935 | 11496 | if (FRAME_X_DISPLAY_INFO (f)->x_focus_frame == f) |
334208b7 | 11497 | XSetInputFocus (FRAME_X_DISPLAY (f), PointerRoot, |
dc6f92b8 | 11498 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 11499 | #endif /* ! 0 */ |
dc6f92b8 JB |
11500 | } |
11501 | ||
f676886a | 11502 | /* Raise frame F. */ |
dc6f92b8 | 11503 | |
dfcf069d | 11504 | void |
f676886a JB |
11505 | x_raise_frame (f) |
11506 | struct frame *f; | |
dc6f92b8 | 11507 | { |
3a88c238 | 11508 | if (f->async_visible) |
dc6f92b8 JB |
11509 | { |
11510 | BLOCK_INPUT; | |
3afe33e7 | 11511 | #ifdef USE_X_TOOLKIT |
7556890b | 11512 | XRaiseWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget)); |
3afe33e7 | 11513 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 11514 | XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 11515 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 11516 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
11517 | UNBLOCK_INPUT; |
11518 | } | |
11519 | } | |
11520 | ||
f676886a | 11521 | /* Lower frame F. */ |
dc6f92b8 | 11522 | |
dfcf069d | 11523 | void |
f676886a JB |
11524 | x_lower_frame (f) |
11525 | struct frame *f; | |
dc6f92b8 | 11526 | { |
3a88c238 | 11527 | if (f->async_visible) |
dc6f92b8 JB |
11528 | { |
11529 | BLOCK_INPUT; | |
3afe33e7 | 11530 | #ifdef USE_X_TOOLKIT |
7556890b | 11531 | XLowerWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget)); |
3afe33e7 | 11532 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 11533 | XLowerWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 11534 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 11535 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
11536 | UNBLOCK_INPUT; |
11537 | } | |
11538 | } | |
11539 | ||
dbc4e1c1 | 11540 | static void |
6b0442dc | 11541 | XTframe_raise_lower (f, raise_flag) |
dbc4e1c1 | 11542 | FRAME_PTR f; |
6b0442dc | 11543 | int raise_flag; |
dbc4e1c1 | 11544 | { |
6b0442dc | 11545 | if (raise_flag) |
dbc4e1c1 JB |
11546 | x_raise_frame (f); |
11547 | else | |
11548 | x_lower_frame (f); | |
11549 | } | |
d047c4eb KH |
11550 | \f |
11551 | /* Change of visibility. */ | |
dc6f92b8 | 11552 | |
9382638d KH |
11553 | /* This tries to wait until the frame is really visible. |
11554 | However, if the window manager asks the user where to position | |
11555 | the frame, this will return before the user finishes doing that. | |
11556 | The frame will not actually be visible at that time, | |
11557 | but it will become visible later when the window manager | |
11558 | finishes with it. */ | |
11559 | ||
dfcf069d | 11560 | void |
f676886a JB |
11561 | x_make_frame_visible (f) |
11562 | struct frame *f; | |
dc6f92b8 | 11563 | { |
990ba854 | 11564 | Lisp_Object type; |
1aa6072f | 11565 | int original_top, original_left; |
dc6f92b8 | 11566 | |
dc6f92b8 | 11567 | BLOCK_INPUT; |
dc6f92b8 | 11568 | |
990ba854 RS |
11569 | type = x_icon_type (f); |
11570 | if (!NILP (type)) | |
11571 | x_bitmap_icon (f, type); | |
bdcd49ba | 11572 | |
f676886a | 11573 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 | 11574 | { |
1aa6072f RS |
11575 | /* We test FRAME_GARBAGED_P here to make sure we don't |
11576 | call x_set_offset a second time | |
11577 | if we get to x_make_frame_visible a second time | |
11578 | before the window gets really visible. */ | |
11579 | if (! FRAME_ICONIFIED_P (f) | |
11580 | && ! f->output_data.x->asked_for_visible) | |
11581 | x_set_offset (f, f->output_data.x->left_pos, f->output_data.x->top_pos, 0); | |
11582 | ||
11583 | f->output_data.x->asked_for_visible = 1; | |
11584 | ||
90e65f07 | 11585 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 11586 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 11587 | #ifdef USE_X_TOOLKIT |
d7a38a2e | 11588 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
7556890b | 11589 | XtMapWidget (f->output_data.x->widget); |
3afe33e7 | 11590 | #else /* not USE_X_TOOLKIT */ |
7f9c7f94 | 11591 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 11592 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
11593 | #if 0 /* This seems to bring back scroll bars in the wrong places |
11594 | if the window configuration has changed. They seem | |
11595 | to come back ok without this. */ | |
ab648270 | 11596 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 11597 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 11598 | #endif |
90e65f07 | 11599 | } |
dc6f92b8 | 11600 | |
334208b7 | 11601 | XFlush (FRAME_X_DISPLAY (f)); |
90e65f07 | 11602 | |
0dacf791 RS |
11603 | /* Synchronize to ensure Emacs knows the frame is visible |
11604 | before we do anything else. We do this loop with input not blocked | |
11605 | so that incoming events are handled. */ | |
11606 | { | |
11607 | Lisp_Object frame; | |
12ce2351 | 11608 | int count; |
28c01ffe RS |
11609 | /* This must be before UNBLOCK_INPUT |
11610 | since events that arrive in response to the actions above | |
11611 | will set it when they are handled. */ | |
11612 | int previously_visible = f->output_data.x->has_been_visible; | |
1aa6072f RS |
11613 | |
11614 | original_left = f->output_data.x->left_pos; | |
11615 | original_top = f->output_data.x->top_pos; | |
c0a04927 RS |
11616 | |
11617 | /* This must come after we set COUNT. */ | |
11618 | UNBLOCK_INPUT; | |
11619 | ||
2745e6c4 | 11620 | /* We unblock here so that arriving X events are processed. */ |
1aa6072f | 11621 | |
dcb07ae9 RS |
11622 | /* Now move the window back to where it was "supposed to be". |
11623 | But don't do it if the gravity is negative. | |
11624 | When the gravity is negative, this uses a position | |
28c01ffe RS |
11625 | that is 3 pixels too low. Perhaps that's really the border width. |
11626 | ||
11627 | Don't do this if the window has never been visible before, | |
11628 | because the window manager may choose the position | |
11629 | and we don't want to override it. */ | |
1aa6072f | 11630 | |
4d3f5d9a | 11631 | if (! FRAME_VISIBLE_P (f) && ! FRAME_ICONIFIED_P (f) |
06c488fd | 11632 | && f->output_data.x->win_gravity == NorthWestGravity |
28c01ffe | 11633 | && previously_visible) |
1aa6072f | 11634 | { |
2745e6c4 RS |
11635 | Drawable rootw; |
11636 | int x, y; | |
11637 | unsigned int width, height, border, depth; | |
06a2c219 | 11638 | |
1aa6072f | 11639 | BLOCK_INPUT; |
9829ddba | 11640 | |
06a2c219 GM |
11641 | /* On some window managers (such as FVWM) moving an existing |
11642 | window, even to the same place, causes the window manager | |
11643 | to introduce an offset. This can cause the window to move | |
11644 | to an unexpected location. Check the geometry (a little | |
11645 | slow here) and then verify that the window is in the right | |
11646 | place. If the window is not in the right place, move it | |
11647 | there, and take the potential window manager hit. */ | |
2745e6c4 RS |
11648 | XGetGeometry (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), |
11649 | &rootw, &x, &y, &width, &height, &border, &depth); | |
11650 | ||
11651 | if (original_left != x || original_top != y) | |
11652 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), | |
11653 | original_left, original_top); | |
11654 | ||
1aa6072f RS |
11655 | UNBLOCK_INPUT; |
11656 | } | |
9829ddba | 11657 | |
e0c1aef2 | 11658 | XSETFRAME (frame, f); |
c0a04927 | 11659 | |
12ce2351 GM |
11660 | /* Wait until the frame is visible. Process X events until a |
11661 | MapNotify event has been seen, or until we think we won't get a | |
11662 | MapNotify at all.. */ | |
11663 | for (count = input_signal_count + 10; | |
11664 | input_signal_count < count && !FRAME_VISIBLE_P (f);) | |
2a6cf806 | 11665 | { |
12ce2351 | 11666 | /* Force processing of queued events. */ |
334208b7 | 11667 | x_sync (f); |
12ce2351 GM |
11668 | |
11669 | /* Machines that do polling rather than SIGIO have been | |
11670 | observed to go into a busy-wait here. So we'll fake an | |
11671 | alarm signal to let the handler know that there's something | |
11672 | to be read. We used to raise a real alarm, but it seems | |
11673 | that the handler isn't always enabled here. This is | |
11674 | probably a bug. */ | |
8b2f8d4e | 11675 | if (input_polling_used ()) |
3b2fa4e6 | 11676 | { |
12ce2351 GM |
11677 | /* It could be confusing if a real alarm arrives while |
11678 | processing the fake one. Turn it off and let the | |
11679 | handler reset it. */ | |
bffcfca9 GM |
11680 | int old_poll_suppress_count = poll_suppress_count; |
11681 | poll_suppress_count = 1; | |
11682 | poll_for_input_1 (); | |
11683 | poll_suppress_count = old_poll_suppress_count; | |
3b2fa4e6 | 11684 | } |
12ce2351 GM |
11685 | |
11686 | /* See if a MapNotify event has been processed. */ | |
11687 | FRAME_SAMPLE_VISIBILITY (f); | |
2a6cf806 | 11688 | } |
0dacf791 | 11689 | } |
dc6f92b8 JB |
11690 | } |
11691 | ||
06a2c219 | 11692 | /* Change from mapped state to withdrawn state. */ |
dc6f92b8 | 11693 | |
d047c4eb KH |
11694 | /* Make the frame visible (mapped and not iconified). */ |
11695 | ||
dfcf069d | 11696 | void |
f676886a JB |
11697 | x_make_frame_invisible (f) |
11698 | struct frame *f; | |
dc6f92b8 | 11699 | { |
546e6d5b RS |
11700 | Window window; |
11701 | ||
11702 | #ifdef USE_X_TOOLKIT | |
11703 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
7556890b | 11704 | window = XtWindow (f->output_data.x->widget); |
546e6d5b RS |
11705 | #else /* not USE_X_TOOLKIT */ |
11706 | window = FRAME_X_WINDOW (f); | |
11707 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 11708 | |
9319ae23 | 11709 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
11710 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
11711 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 11712 | |
5627c40e | 11713 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 11714 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 11715 | return; |
5627c40e | 11716 | #endif |
dc6f92b8 JB |
11717 | |
11718 | BLOCK_INPUT; | |
c118dd06 | 11719 | |
af31d76f RS |
11720 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
11721 | that the current position of the window is user-specified, rather than | |
11722 | program-specified, so that when the window is mapped again, it will be | |
11723 | placed at the same location, without forcing the user to position it | |
11724 | by hand again (they have already done that once for this window.) */ | |
c32cdd9a | 11725 | x_wm_set_size_hint (f, (long) 0, 1); |
af31d76f | 11726 | |
c118dd06 JB |
11727 | #ifdef HAVE_X11R4 |
11728 | ||
334208b7 RS |
11729 | if (! XWithdrawWindow (FRAME_X_DISPLAY (f), window, |
11730 | DefaultScreen (FRAME_X_DISPLAY (f)))) | |
c118dd06 JB |
11731 | { |
11732 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 11733 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 11734 | } |
c118dd06 | 11735 | #else /* ! defined (HAVE_X11R4) */ |
16bd92ea | 11736 | |
c118dd06 | 11737 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
11738 | if (! EQ (Vx_no_window_manager, Qt)) |
11739 | { | |
16bd92ea | 11740 | XEvent unmap; |
dc6f92b8 | 11741 | |
16bd92ea | 11742 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 11743 | unmap.xunmap.window = window; |
334208b7 | 11744 | unmap.xunmap.event = DefaultRootWindow (FRAME_X_DISPLAY (f)); |
16bd92ea | 11745 | unmap.xunmap.from_configure = False; |
334208b7 RS |
11746 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
11747 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea | 11748 | False, |
06a2c219 | 11749 | SubstructureRedirectMaskSubstructureNotifyMask, |
16bd92ea JB |
11750 | &unmap)) |
11751 | { | |
11752 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 11753 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 11754 | } |
dc6f92b8 JB |
11755 | } |
11756 | ||
16bd92ea | 11757 | /* Unmap the window ourselves. Cheeky! */ |
334208b7 | 11758 | XUnmapWindow (FRAME_X_DISPLAY (f), window); |
c118dd06 | 11759 | #endif /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 11760 | |
5627c40e RS |
11761 | /* We can't distinguish this from iconification |
11762 | just by the event that we get from the server. | |
11763 | So we can't win using the usual strategy of letting | |
11764 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
11765 | and synchronize with the server to make sure we agree. */ | |
11766 | f->visible = 0; | |
11767 | FRAME_ICONIFIED_P (f) = 0; | |
11768 | f->async_visible = 0; | |
11769 | f->async_iconified = 0; | |
11770 | ||
334208b7 | 11771 | x_sync (f); |
5627c40e | 11772 | |
dc6f92b8 JB |
11773 | UNBLOCK_INPUT; |
11774 | } | |
11775 | ||
06a2c219 | 11776 | /* Change window state from mapped to iconified. */ |
dc6f92b8 | 11777 | |
dfcf069d | 11778 | void |
f676886a JB |
11779 | x_iconify_frame (f) |
11780 | struct frame *f; | |
dc6f92b8 | 11781 | { |
3afe33e7 | 11782 | int result; |
990ba854 | 11783 | Lisp_Object type; |
dc6f92b8 | 11784 | |
9319ae23 | 11785 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
11786 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
11787 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 11788 | |
3a88c238 | 11789 | if (f->async_iconified) |
dc6f92b8 JB |
11790 | return; |
11791 | ||
3afe33e7 | 11792 | BLOCK_INPUT; |
546e6d5b | 11793 | |
9af3143a RS |
11794 | FRAME_SAMPLE_VISIBILITY (f); |
11795 | ||
990ba854 RS |
11796 | type = x_icon_type (f); |
11797 | if (!NILP (type)) | |
11798 | x_bitmap_icon (f, type); | |
bdcd49ba RS |
11799 | |
11800 | #ifdef USE_X_TOOLKIT | |
11801 | ||
546e6d5b RS |
11802 | if (! FRAME_VISIBLE_P (f)) |
11803 | { | |
11804 | if (! EQ (Vx_no_window_manager, Qt)) | |
11805 | x_wm_set_window_state (f, IconicState); | |
11806 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
7556890b | 11807 | XtMapWidget (f->output_data.x->widget); |
9cf30a30 RS |
11808 | /* The server won't give us any event to indicate |
11809 | that an invisible frame was changed to an icon, | |
11810 | so we have to record it here. */ | |
11811 | f->iconified = 1; | |
1e6bc770 | 11812 | f->visible = 1; |
9cf30a30 | 11813 | f->async_iconified = 1; |
1e6bc770 | 11814 | f->async_visible = 0; |
546e6d5b RS |
11815 | UNBLOCK_INPUT; |
11816 | return; | |
11817 | } | |
11818 | ||
334208b7 | 11819 | result = XIconifyWindow (FRAME_X_DISPLAY (f), |
7556890b | 11820 | XtWindow (f->output_data.x->widget), |
334208b7 | 11821 | DefaultScreen (FRAME_X_DISPLAY (f))); |
3afe33e7 RS |
11822 | UNBLOCK_INPUT; |
11823 | ||
11824 | if (!result) | |
546e6d5b | 11825 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
11826 | |
11827 | f->async_iconified = 1; | |
1e6bc770 RS |
11828 | f->async_visible = 0; |
11829 | ||
8c002a25 KH |
11830 | |
11831 | BLOCK_INPUT; | |
334208b7 | 11832 | XFlush (FRAME_X_DISPLAY (f)); |
8c002a25 | 11833 | UNBLOCK_INPUT; |
3afe33e7 RS |
11834 | #else /* not USE_X_TOOLKIT */ |
11835 | ||
fd13dbb2 RS |
11836 | /* Make sure the X server knows where the window should be positioned, |
11837 | in case the user deiconifies with the window manager. */ | |
11838 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
7556890b | 11839 | x_set_offset (f, f->output_data.x->left_pos, f->output_data.x->top_pos, 0); |
fd13dbb2 | 11840 | |
16bd92ea JB |
11841 | /* Since we don't know which revision of X we're running, we'll use both |
11842 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
11843 | ||
11844 | /* X11R4: send a ClientMessage to the window manager using the | |
11845 | WM_CHANGE_STATE type. */ | |
11846 | { | |
11847 | XEvent message; | |
58769bee | 11848 | |
c118dd06 | 11849 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea | 11850 | message.xclient.type = ClientMessage; |
334208b7 | 11851 | message.xclient.message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_change_state; |
16bd92ea JB |
11852 | message.xclient.format = 32; |
11853 | message.xclient.data.l[0] = IconicState; | |
11854 | ||
334208b7 RS |
11855 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
11856 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
11857 | False, |
11858 | SubstructureRedirectMask | SubstructureNotifyMask, | |
11859 | &message)) | |
dc6f92b8 JB |
11860 | { |
11861 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 11862 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 11863 | } |
16bd92ea | 11864 | } |
dc6f92b8 | 11865 | |
58769bee | 11866 | /* X11R3: set the initial_state field of the window manager hints to |
16bd92ea JB |
11867 | IconicState. */ |
11868 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 11869 | |
a9c00105 RS |
11870 | if (!FRAME_VISIBLE_P (f)) |
11871 | { | |
11872 | /* If the frame was withdrawn, before, we must map it. */ | |
7f9c7f94 | 11873 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
a9c00105 RS |
11874 | } |
11875 | ||
3a88c238 | 11876 | f->async_iconified = 1; |
1e6bc770 | 11877 | f->async_visible = 0; |
dc6f92b8 | 11878 | |
334208b7 | 11879 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 11880 | UNBLOCK_INPUT; |
8c002a25 | 11881 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 11882 | } |
d047c4eb | 11883 | \f |
c0ff3fab | 11884 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 11885 | |
dfcf069d | 11886 | void |
c0ff3fab | 11887 | x_destroy_window (f) |
f676886a | 11888 | struct frame *f; |
dc6f92b8 | 11889 | { |
7f9c7f94 RS |
11890 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
11891 | ||
dc6f92b8 | 11892 | BLOCK_INPUT; |
c0ff3fab | 11893 | |
6186a4a0 RS |
11894 | /* If a display connection is dead, don't try sending more |
11895 | commands to the X server. */ | |
11896 | if (dpyinfo->display != 0) | |
11897 | { | |
11898 | if (f->output_data.x->icon_desc != 0) | |
11899 | XDestroyWindow (FRAME_X_DISPLAY (f), f->output_data.x->icon_desc); | |
31f41daf | 11900 | #ifdef HAVE_X_I18N |
f5d11644 GM |
11901 | if (FRAME_XIC (f)) |
11902 | free_frame_xic (f); | |
31f41daf | 11903 | #endif |
6186a4a0 | 11904 | XDestroyWindow (FRAME_X_DISPLAY (f), f->output_data.x->window_desc); |
3afe33e7 | 11905 | #ifdef USE_X_TOOLKIT |
06a2c219 GM |
11906 | if (f->output_data.x->widget) |
11907 | XtDestroyWidget (f->output_data.x->widget); | |
6186a4a0 | 11908 | free_frame_menubar (f); |
3afe33e7 RS |
11909 | #endif /* USE_X_TOOLKIT */ |
11910 | ||
6186a4a0 RS |
11911 | free_frame_faces (f); |
11912 | XFlush (FRAME_X_DISPLAY (f)); | |
11913 | } | |
dc6f92b8 | 11914 | |
df89d8a4 | 11915 | if (f->output_data.x->saved_menu_event) |
06a2c219 | 11916 | xfree (f->output_data.x->saved_menu_event); |
0c49ce2f | 11917 | |
7556890b RS |
11918 | xfree (f->output_data.x); |
11919 | f->output_data.x = 0; | |
0f941935 KH |
11920 | if (f == dpyinfo->x_focus_frame) |
11921 | dpyinfo->x_focus_frame = 0; | |
11922 | if (f == dpyinfo->x_focus_event_frame) | |
11923 | dpyinfo->x_focus_event_frame = 0; | |
11924 | if (f == dpyinfo->x_highlight_frame) | |
11925 | dpyinfo->x_highlight_frame = 0; | |
c0ff3fab | 11926 | |
7f9c7f94 RS |
11927 | dpyinfo->reference_count--; |
11928 | ||
11929 | if (f == dpyinfo->mouse_face_mouse_frame) | |
dc05a16b | 11930 | { |
7f9c7f94 RS |
11931 | dpyinfo->mouse_face_beg_row |
11932 | = dpyinfo->mouse_face_beg_col = -1; | |
11933 | dpyinfo->mouse_face_end_row | |
11934 | = dpyinfo->mouse_face_end_col = -1; | |
11935 | dpyinfo->mouse_face_window = Qnil; | |
21323706 RS |
11936 | dpyinfo->mouse_face_deferred_gc = 0; |
11937 | dpyinfo->mouse_face_mouse_frame = 0; | |
dc05a16b | 11938 | } |
0134a210 | 11939 | |
c0ff3fab | 11940 | UNBLOCK_INPUT; |
dc6f92b8 JB |
11941 | } |
11942 | \f | |
f451eb13 JB |
11943 | /* Setting window manager hints. */ |
11944 | ||
af31d76f RS |
11945 | /* Set the normal size hints for the window manager, for frame F. |
11946 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
11947 | that the window now has. | |
11948 | If USER_POSITION is nonzero, we set the USPosition | |
11949 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 11950 | |
dfcf069d | 11951 | void |
af31d76f | 11952 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 11953 | struct frame *f; |
af31d76f RS |
11954 | long flags; |
11955 | int user_position; | |
dc6f92b8 JB |
11956 | { |
11957 | XSizeHints size_hints; | |
3afe33e7 RS |
11958 | |
11959 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
11960 | Arg al[2]; |
11961 | int ac = 0; | |
11962 | Dimension widget_width, widget_height; | |
7556890b | 11963 | Window window = XtWindow (f->output_data.x->widget); |
3afe33e7 | 11964 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 11965 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 11966 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 11967 | |
b72a58fd RS |
11968 | /* Setting PMaxSize caused various problems. */ |
11969 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 11970 | |
7556890b RS |
11971 | size_hints.x = f->output_data.x->left_pos; |
11972 | size_hints.y = f->output_data.x->top_pos; | |
7553a6b7 | 11973 | |
7e4f2521 FP |
11974 | #ifdef USE_X_TOOLKIT |
11975 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
11976 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
7556890b | 11977 | XtGetValues (f->output_data.x->widget, al, ac); |
7e4f2521 FP |
11978 | size_hints.height = widget_height; |
11979 | size_hints.width = widget_width; | |
11980 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
11981 | size_hints.height = PIXEL_HEIGHT (f); |
11982 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 11983 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 11984 | |
7556890b RS |
11985 | size_hints.width_inc = FONT_WIDTH (f->output_data.x->font); |
11986 | size_hints.height_inc = f->output_data.x->line_height; | |
334208b7 RS |
11987 | size_hints.max_width |
11988 | = FRAME_X_DISPLAY_INFO (f)->width - CHAR_TO_PIXEL_WIDTH (f, 0); | |
11989 | size_hints.max_height | |
11990 | = FRAME_X_DISPLAY_INFO (f)->height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 11991 | |
d067ea8b KH |
11992 | /* Calculate the base and minimum sizes. |
11993 | ||
11994 | (When we use the X toolkit, we don't do it here. | |
11995 | Instead we copy the values that the widgets are using, below.) */ | |
11996 | #ifndef USE_X_TOOLKIT | |
b1c884c3 | 11997 | { |
b0342f17 | 11998 | int base_width, base_height; |
0134a210 | 11999 | int min_rows = 0, min_cols = 0; |
b0342f17 | 12000 | |
f451eb13 JB |
12001 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
12002 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 12003 | |
0134a210 | 12004 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 12005 | |
0134a210 RS |
12006 | /* The window manager uses the base width hints to calculate the |
12007 | current number of rows and columns in the frame while | |
12008 | resizing; min_width and min_height aren't useful for this | |
12009 | purpose, since they might not give the dimensions for a | |
12010 | zero-row, zero-column frame. | |
58769bee | 12011 | |
0134a210 RS |
12012 | We use the base_width and base_height members if we have |
12013 | them; otherwise, we set the min_width and min_height members | |
12014 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
12015 | |
12016 | #ifdef HAVE_X11R4 | |
0134a210 RS |
12017 | size_hints.flags |= PBaseSize; |
12018 | size_hints.base_width = base_width; | |
12019 | size_hints.base_height = base_height; | |
12020 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
12021 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 12022 | #else |
0134a210 RS |
12023 | size_hints.min_width = base_width; |
12024 | size_hints.min_height = base_height; | |
b0342f17 | 12025 | #endif |
b1c884c3 | 12026 | } |
dc6f92b8 | 12027 | |
d067ea8b | 12028 | /* If we don't need the old flags, we don't need the old hint at all. */ |
af31d76f | 12029 | if (flags) |
dc6f92b8 | 12030 | { |
d067ea8b KH |
12031 | size_hints.flags |= flags; |
12032 | goto no_read; | |
12033 | } | |
12034 | #endif /* not USE_X_TOOLKIT */ | |
12035 | ||
12036 | { | |
12037 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
12038 | long supplied_return; | |
12039 | int value; | |
af31d76f RS |
12040 | |
12041 | #ifdef HAVE_X11R4 | |
d067ea8b KH |
12042 | value = XGetWMNormalHints (FRAME_X_DISPLAY (f), window, &hints, |
12043 | &supplied_return); | |
af31d76f | 12044 | #else |
d067ea8b | 12045 | value = XGetNormalHints (FRAME_X_DISPLAY (f), window, &hints); |
af31d76f | 12046 | #endif |
58769bee | 12047 | |
d067ea8b KH |
12048 | #ifdef USE_X_TOOLKIT |
12049 | size_hints.base_height = hints.base_height; | |
12050 | size_hints.base_width = hints.base_width; | |
12051 | size_hints.min_height = hints.min_height; | |
12052 | size_hints.min_width = hints.min_width; | |
12053 | #endif | |
12054 | ||
12055 | if (flags) | |
12056 | size_hints.flags |= flags; | |
12057 | else | |
12058 | { | |
12059 | if (value == 0) | |
12060 | hints.flags = 0; | |
12061 | if (hints.flags & PSize) | |
12062 | size_hints.flags |= PSize; | |
12063 | if (hints.flags & PPosition) | |
12064 | size_hints.flags |= PPosition; | |
12065 | if (hints.flags & USPosition) | |
12066 | size_hints.flags |= USPosition; | |
12067 | if (hints.flags & USSize) | |
12068 | size_hints.flags |= USSize; | |
12069 | } | |
12070 | } | |
12071 | ||
06a2c219 | 12072 | #ifndef USE_X_TOOLKIT |
d067ea8b | 12073 | no_read: |
06a2c219 | 12074 | #endif |
0134a210 | 12075 | |
af31d76f | 12076 | #ifdef PWinGravity |
7556890b | 12077 | size_hints.win_gravity = f->output_data.x->win_gravity; |
af31d76f | 12078 | size_hints.flags |= PWinGravity; |
dc05a16b | 12079 | |
af31d76f | 12080 | if (user_position) |
6dba1858 | 12081 | { |
af31d76f RS |
12082 | size_hints.flags &= ~ PPosition; |
12083 | size_hints.flags |= USPosition; | |
6dba1858 | 12084 | } |
2554751d | 12085 | #endif /* PWinGravity */ |
6dba1858 | 12086 | |
b0342f17 | 12087 | #ifdef HAVE_X11R4 |
334208b7 | 12088 | XSetWMNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 12089 | #else |
334208b7 | 12090 | XSetNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 12091 | #endif |
dc6f92b8 JB |
12092 | } |
12093 | ||
12094 | /* Used for IconicState or NormalState */ | |
06a2c219 | 12095 | |
dfcf069d | 12096 | void |
f676886a JB |
12097 | x_wm_set_window_state (f, state) |
12098 | struct frame *f; | |
dc6f92b8 JB |
12099 | int state; |
12100 | { | |
3afe33e7 | 12101 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
12102 | Arg al[1]; |
12103 | ||
12104 | XtSetArg (al[0], XtNinitialState, state); | |
7556890b | 12105 | XtSetValues (f->output_data.x->widget, al, 1); |
3afe33e7 | 12106 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 12107 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 12108 | |
7556890b RS |
12109 | f->output_data.x->wm_hints.flags |= StateHint; |
12110 | f->output_data.x->wm_hints.initial_state = state; | |
b1c884c3 | 12111 | |
7556890b | 12112 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); |
546e6d5b | 12113 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
12114 | } |
12115 | ||
dfcf069d | 12116 | void |
7f2ae036 | 12117 | x_wm_set_icon_pixmap (f, pixmap_id) |
f676886a | 12118 | struct frame *f; |
7f2ae036 | 12119 | int pixmap_id; |
dc6f92b8 | 12120 | { |
d2bd6bc4 RS |
12121 | Pixmap icon_pixmap; |
12122 | ||
06a2c219 | 12123 | #ifndef USE_X_TOOLKIT |
c118dd06 | 12124 | Window window = FRAME_X_WINDOW (f); |
75231bad | 12125 | #endif |
dc6f92b8 | 12126 | |
7f2ae036 | 12127 | if (pixmap_id > 0) |
dbc4e1c1 | 12128 | { |
d2bd6bc4 | 12129 | icon_pixmap = x_bitmap_pixmap (f, pixmap_id); |
7556890b | 12130 | f->output_data.x->wm_hints.icon_pixmap = icon_pixmap; |
dbc4e1c1 JB |
12131 | } |
12132 | else | |
68568555 RS |
12133 | { |
12134 | /* It seems there is no way to turn off use of an icon pixmap. | |
12135 | The following line does it, only if no icon has yet been created, | |
12136 | for some window managers. But with mwm it crashes. | |
12137 | Some people say it should clear the IconPixmapHint bit in this case, | |
12138 | but that doesn't work, and the X consortium said it isn't the | |
12139 | right thing at all. Since there is no way to win, | |
12140 | best to explicitly give up. */ | |
12141 | #if 0 | |
12142 | f->output_data.x->wm_hints.icon_pixmap = None; | |
12143 | #else | |
12144 | return; | |
12145 | #endif | |
12146 | } | |
b1c884c3 | 12147 | |
d2bd6bc4 RS |
12148 | #ifdef USE_X_TOOLKIT /* same as in x_wm_set_window_state. */ |
12149 | ||
12150 | { | |
12151 | Arg al[1]; | |
12152 | XtSetArg (al[0], XtNiconPixmap, icon_pixmap); | |
12153 | XtSetValues (f->output_data.x->widget, al, 1); | |
12154 | } | |
12155 | ||
12156 | #else /* not USE_X_TOOLKIT */ | |
12157 | ||
7556890b RS |
12158 | f->output_data.x->wm_hints.flags |= IconPixmapHint; |
12159 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); | |
d2bd6bc4 RS |
12160 | |
12161 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 JB |
12162 | } |
12163 | ||
dfcf069d | 12164 | void |
f676886a JB |
12165 | x_wm_set_icon_position (f, icon_x, icon_y) |
12166 | struct frame *f; | |
dc6f92b8 JB |
12167 | int icon_x, icon_y; |
12168 | { | |
75231bad | 12169 | #ifdef USE_X_TOOLKIT |
7556890b | 12170 | Window window = XtWindow (f->output_data.x->widget); |
75231bad | 12171 | #else |
c118dd06 | 12172 | Window window = FRAME_X_WINDOW (f); |
75231bad | 12173 | #endif |
dc6f92b8 | 12174 | |
7556890b RS |
12175 | f->output_data.x->wm_hints.flags |= IconPositionHint; |
12176 | f->output_data.x->wm_hints.icon_x = icon_x; | |
12177 | f->output_data.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 12178 | |
7556890b | 12179 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); |
dc6f92b8 JB |
12180 | } |
12181 | ||
12182 | \f | |
06a2c219 GM |
12183 | /*********************************************************************** |
12184 | Fonts | |
12185 | ***********************************************************************/ | |
dc43ef94 KH |
12186 | |
12187 | /* Return a pointer to struct font_info of font FONT_IDX of frame F. */ | |
06a2c219 | 12188 | |
dc43ef94 KH |
12189 | struct font_info * |
12190 | x_get_font_info (f, font_idx) | |
12191 | FRAME_PTR f; | |
12192 | int font_idx; | |
12193 | { | |
12194 | return (FRAME_X_FONT_TABLE (f) + font_idx); | |
12195 | } | |
12196 | ||
12197 | ||
12198 | /* Return a list of names of available fonts matching PATTERN on frame | |
12199 | F. If SIZE is not 0, it is the size (maximum bound width) of fonts | |
12200 | to be listed. Frame F NULL means we have not yet created any | |
12201 | frame on X, and consult the first display in x_display_list. | |
12202 | MAXNAMES sets a limit on how many fonts to match. */ | |
12203 | ||
12204 | Lisp_Object | |
12205 | x_list_fonts (f, pattern, size, maxnames) | |
12206 | FRAME_PTR f; | |
12207 | Lisp_Object pattern; | |
12208 | int size; | |
12209 | int maxnames; | |
12210 | { | |
06a2c219 GM |
12211 | Lisp_Object list = Qnil, patterns, newlist = Qnil, key = Qnil; |
12212 | Lisp_Object tem, second_best; | |
dc43ef94 | 12213 | Display *dpy = f != NULL ? FRAME_X_DISPLAY (f) : x_display_list->display; |
09c6077f | 12214 | int try_XLoadQueryFont = 0; |
53ca4657 | 12215 | int count; |
dc43ef94 | 12216 | |
6b0efe73 | 12217 | patterns = Fassoc (pattern, Valternate_fontname_alist); |
2da424f1 KH |
12218 | if (NILP (patterns)) |
12219 | patterns = Fcons (pattern, Qnil); | |
81ba44e5 | 12220 | |
09c6077f KH |
12221 | if (maxnames == 1 && !size) |
12222 | /* We can return any single font matching PATTERN. */ | |
12223 | try_XLoadQueryFont = 1; | |
9a32686f | 12224 | |
8e713be6 | 12225 | for (; CONSP (patterns); patterns = XCDR (patterns)) |
dc43ef94 | 12226 | { |
dc43ef94 KH |
12227 | int num_fonts; |
12228 | char **names; | |
12229 | ||
8e713be6 | 12230 | pattern = XCAR (patterns); |
536f4067 RS |
12231 | /* See if we cached the result for this particular query. |
12232 | The cache is an alist of the form: | |
12233 | (((PATTERN . MAXNAMES) (FONTNAME . WIDTH) ...) ...) | |
12234 | */ | |
8e713be6 | 12235 | if (f && (tem = XCDR (FRAME_X_DISPLAY_INFO (f)->name_list_element), |
b5210ea7 KH |
12236 | key = Fcons (pattern, make_number (maxnames)), |
12237 | !NILP (list = Fassoc (key, tem)))) | |
12238 | { | |
12239 | list = Fcdr_safe (list); | |
12240 | /* We have a cashed list. Don't have to get the list again. */ | |
12241 | goto label_cached; | |
12242 | } | |
12243 | ||
12244 | /* At first, put PATTERN in the cache. */ | |
09c6077f | 12245 | |
dc43ef94 | 12246 | BLOCK_INPUT; |
17d85edc KH |
12247 | count = x_catch_errors (dpy); |
12248 | ||
09c6077f KH |
12249 | if (try_XLoadQueryFont) |
12250 | { | |
12251 | XFontStruct *font; | |
12252 | unsigned long value; | |
12253 | ||
12254 | font = XLoadQueryFont (dpy, XSTRING (pattern)->data); | |
17d85edc KH |
12255 | if (x_had_errors_p (dpy)) |
12256 | { | |
12257 | /* This error is perhaps due to insufficient memory on X | |
12258 | server. Let's just ignore it. */ | |
12259 | font = NULL; | |
12260 | x_clear_errors (dpy); | |
12261 | } | |
12262 | ||
09c6077f KH |
12263 | if (font |
12264 | && XGetFontProperty (font, XA_FONT, &value)) | |
12265 | { | |
12266 | char *name = (char *) XGetAtomName (dpy, (Atom) value); | |
12267 | int len = strlen (name); | |
01c752b5 | 12268 | char *tmp; |
09c6077f | 12269 | |
6f6512e8 KH |
12270 | /* If DXPC (a Differential X Protocol Compressor) |
12271 | Ver.3.7 is running, XGetAtomName will return null | |
12272 | string. We must avoid such a name. */ | |
12273 | if (len == 0) | |
12274 | try_XLoadQueryFont = 0; | |
12275 | else | |
12276 | { | |
12277 | num_fonts = 1; | |
12278 | names = (char **) alloca (sizeof (char *)); | |
12279 | /* Some systems only allow alloca assigned to a | |
12280 | simple var. */ | |
12281 | tmp = (char *) alloca (len + 1); names[0] = tmp; | |
12282 | bcopy (name, names[0], len + 1); | |
12283 | XFree (name); | |
12284 | } | |
09c6077f KH |
12285 | } |
12286 | else | |
12287 | try_XLoadQueryFont = 0; | |
a083fd23 RS |
12288 | |
12289 | if (font) | |
12290 | XFreeFont (dpy, font); | |
09c6077f KH |
12291 | } |
12292 | ||
12293 | if (!try_XLoadQueryFont) | |
17d85edc KH |
12294 | { |
12295 | /* We try at least 10 fonts because XListFonts will return | |
12296 | auto-scaled fonts at the head. */ | |
12297 | names = XListFonts (dpy, XSTRING (pattern)->data, max (maxnames, 10), | |
12298 | &num_fonts); | |
12299 | if (x_had_errors_p (dpy)) | |
12300 | { | |
12301 | /* This error is perhaps due to insufficient memory on X | |
12302 | server. Let's just ignore it. */ | |
12303 | names = NULL; | |
12304 | x_clear_errors (dpy); | |
12305 | } | |
12306 | } | |
12307 | ||
12308 | x_uncatch_errors (dpy, count); | |
dc43ef94 KH |
12309 | UNBLOCK_INPUT; |
12310 | ||
12311 | if (names) | |
12312 | { | |
12313 | int i; | |
dc43ef94 KH |
12314 | |
12315 | /* Make a list of all the fonts we got back. | |
12316 | Store that in the font cache for the display. */ | |
12317 | for (i = 0; i < num_fonts; i++) | |
12318 | { | |
06a2c219 | 12319 | int width = 0; |
dc43ef94 | 12320 | char *p = names[i]; |
06a2c219 GM |
12321 | int average_width = -1, dashes = 0; |
12322 | ||
dc43ef94 | 12323 | /* Count the number of dashes in NAMES[I]. If there are |
b5210ea7 KH |
12324 | 14 dashes, and the field value following 12th dash |
12325 | (AVERAGE_WIDTH) is 0, this is a auto-scaled font which | |
12326 | is usually too ugly to be used for editing. Let's | |
12327 | ignore it. */ | |
dc43ef94 KH |
12328 | while (*p) |
12329 | if (*p++ == '-') | |
12330 | { | |
12331 | dashes++; | |
12332 | if (dashes == 7) /* PIXEL_SIZE field */ | |
12333 | width = atoi (p); | |
12334 | else if (dashes == 12) /* AVERAGE_WIDTH field */ | |
12335 | average_width = atoi (p); | |
12336 | } | |
12337 | if (dashes < 14 || average_width != 0) | |
12338 | { | |
12339 | tem = build_string (names[i]); | |
12340 | if (NILP (Fassoc (tem, list))) | |
12341 | { | |
12342 | if (STRINGP (Vx_pixel_size_width_font_regexp) | |
f39db7ea RS |
12343 | && ((fast_c_string_match_ignore_case |
12344 | (Vx_pixel_size_width_font_regexp, names[i])) | |
dc43ef94 KH |
12345 | >= 0)) |
12346 | /* We can set the value of PIXEL_SIZE to the | |
b5210ea7 | 12347 | width of this font. */ |
dc43ef94 KH |
12348 | list = Fcons (Fcons (tem, make_number (width)), list); |
12349 | else | |
12350 | /* For the moment, width is not known. */ | |
12351 | list = Fcons (Fcons (tem, Qnil), list); | |
12352 | } | |
12353 | } | |
12354 | } | |
09c6077f KH |
12355 | if (!try_XLoadQueryFont) |
12356 | XFreeFontNames (names); | |
dc43ef94 KH |
12357 | } |
12358 | ||
b5210ea7 | 12359 | /* Now store the result in the cache. */ |
dc43ef94 | 12360 | if (f != NULL) |
8e713be6 | 12361 | XCDR (FRAME_X_DISPLAY_INFO (f)->name_list_element) |
dc43ef94 | 12362 | = Fcons (Fcons (key, list), |
8e713be6 | 12363 | XCDR (FRAME_X_DISPLAY_INFO (f)->name_list_element)); |
dc43ef94 | 12364 | |
b5210ea7 KH |
12365 | label_cached: |
12366 | if (NILP (list)) continue; /* Try the remaining alternatives. */ | |
dc43ef94 | 12367 | |
b5210ea7 KH |
12368 | newlist = second_best = Qnil; |
12369 | /* Make a list of the fonts that have the right width. */ | |
8e713be6 | 12370 | for (; CONSP (list); list = XCDR (list)) |
b5210ea7 | 12371 | { |
536f4067 RS |
12372 | int found_size; |
12373 | ||
8e713be6 | 12374 | tem = XCAR (list); |
dc43ef94 | 12375 | |
8e713be6 | 12376 | if (!CONSP (tem) || NILP (XCAR (tem))) |
b5210ea7 KH |
12377 | continue; |
12378 | if (!size) | |
12379 | { | |
8e713be6 | 12380 | newlist = Fcons (XCAR (tem), newlist); |
b5210ea7 KH |
12381 | continue; |
12382 | } | |
dc43ef94 | 12383 | |
8e713be6 | 12384 | if (!INTEGERP (XCDR (tem))) |
dc43ef94 | 12385 | { |
b5210ea7 KH |
12386 | /* Since we have not yet known the size of this font, we |
12387 | must try slow function call XLoadQueryFont. */ | |
dc43ef94 KH |
12388 | XFontStruct *thisinfo; |
12389 | ||
12390 | BLOCK_INPUT; | |
17d85edc | 12391 | count = x_catch_errors (dpy); |
dc43ef94 | 12392 | thisinfo = XLoadQueryFont (dpy, |
8e713be6 | 12393 | XSTRING (XCAR (tem))->data); |
17d85edc KH |
12394 | if (x_had_errors_p (dpy)) |
12395 | { | |
12396 | /* This error is perhaps due to insufficient memory on X | |
12397 | server. Let's just ignore it. */ | |
12398 | thisinfo = NULL; | |
12399 | x_clear_errors (dpy); | |
12400 | } | |
12401 | x_uncatch_errors (dpy, count); | |
dc43ef94 KH |
12402 | UNBLOCK_INPUT; |
12403 | ||
12404 | if (thisinfo) | |
12405 | { | |
8e713be6 | 12406 | XCDR (tem) |
536f4067 RS |
12407 | = (thisinfo->min_bounds.width == 0 |
12408 | ? make_number (0) | |
12409 | : make_number (thisinfo->max_bounds.width)); | |
dc43ef94 KH |
12410 | XFreeFont (dpy, thisinfo); |
12411 | } | |
12412 | else | |
b5210ea7 | 12413 | /* For unknown reason, the previous call of XListFont had |
06a2c219 | 12414 | returned a font which can't be opened. Record the size |
b5210ea7 | 12415 | as 0 not to try to open it again. */ |
8e713be6 | 12416 | XCDR (tem) = make_number (0); |
dc43ef94 | 12417 | } |
536f4067 | 12418 | |
8e713be6 | 12419 | found_size = XINT (XCDR (tem)); |
536f4067 | 12420 | if (found_size == size) |
8e713be6 | 12421 | newlist = Fcons (XCAR (tem), newlist); |
536f4067 | 12422 | else if (found_size > 0) |
b5210ea7 | 12423 | { |
536f4067 | 12424 | if (NILP (second_best)) |
b5210ea7 | 12425 | second_best = tem; |
536f4067 RS |
12426 | else if (found_size < size) |
12427 | { | |
8e713be6 KR |
12428 | if (XINT (XCDR (second_best)) > size |
12429 | || XINT (XCDR (second_best)) < found_size) | |
536f4067 RS |
12430 | second_best = tem; |
12431 | } | |
12432 | else | |
12433 | { | |
8e713be6 KR |
12434 | if (XINT (XCDR (second_best)) > size |
12435 | && XINT (XCDR (second_best)) > found_size) | |
536f4067 RS |
12436 | second_best = tem; |
12437 | } | |
b5210ea7 KH |
12438 | } |
12439 | } | |
12440 | if (!NILP (newlist)) | |
12441 | break; | |
12442 | else if (!NILP (second_best)) | |
12443 | { | |
8e713be6 | 12444 | newlist = Fcons (XCAR (second_best), Qnil); |
b5210ea7 | 12445 | break; |
dc43ef94 | 12446 | } |
dc43ef94 KH |
12447 | } |
12448 | ||
12449 | return newlist; | |
12450 | } | |
12451 | ||
06a2c219 GM |
12452 | |
12453 | #if GLYPH_DEBUG | |
12454 | ||
12455 | /* Check that FONT is valid on frame F. It is if it can be found in F's | |
12456 | font table. */ | |
12457 | ||
12458 | static void | |
12459 | x_check_font (f, font) | |
12460 | struct frame *f; | |
12461 | XFontStruct *font; | |
12462 | { | |
12463 | int i; | |
12464 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
12465 | ||
12466 | xassert (font != NULL); | |
12467 | ||
12468 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
12469 | if (dpyinfo->font_table[i].name | |
12470 | && font == dpyinfo->font_table[i].font) | |
12471 | break; | |
12472 | ||
12473 | xassert (i < dpyinfo->n_fonts); | |
12474 | } | |
12475 | ||
12476 | #endif /* GLYPH_DEBUG != 0 */ | |
12477 | ||
12478 | /* Set *W to the minimum width, *H to the minimum font height of FONT. | |
12479 | Note: There are (broken) X fonts out there with invalid XFontStruct | |
12480 | min_bounds contents. For example, handa@etl.go.jp reports that | |
12481 | "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts | |
12482 | have font->min_bounds.width == 0. */ | |
12483 | ||
12484 | static INLINE void | |
12485 | x_font_min_bounds (font, w, h) | |
12486 | XFontStruct *font; | |
12487 | int *w, *h; | |
12488 | { | |
12489 | *h = FONT_HEIGHT (font); | |
12490 | *w = font->min_bounds.width; | |
12491 | ||
12492 | /* Try to handle the case where FONT->min_bounds has invalid | |
12493 | contents. Since the only font known to have invalid min_bounds | |
12494 | is fixed-width, use max_bounds if min_bounds seems to be invalid. */ | |
12495 | if (*w <= 0) | |
12496 | *w = font->max_bounds.width; | |
12497 | } | |
12498 | ||
12499 | ||
12500 | /* Compute the smallest character width and smallest font height over | |
12501 | all fonts available on frame F. Set the members smallest_char_width | |
12502 | and smallest_font_height in F's x_display_info structure to | |
12503 | the values computed. Value is non-zero if smallest_font_height or | |
12504 | smallest_char_width become smaller than they were before. */ | |
12505 | ||
12506 | static int | |
12507 | x_compute_min_glyph_bounds (f) | |
12508 | struct frame *f; | |
12509 | { | |
12510 | int i; | |
12511 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
12512 | XFontStruct *font; | |
12513 | int old_width = dpyinfo->smallest_char_width; | |
12514 | int old_height = dpyinfo->smallest_font_height; | |
12515 | ||
12516 | dpyinfo->smallest_font_height = 100000; | |
12517 | dpyinfo->smallest_char_width = 100000; | |
12518 | ||
12519 | for (i = 0; i < dpyinfo->n_fonts; ++i) | |
12520 | if (dpyinfo->font_table[i].name) | |
12521 | { | |
12522 | struct font_info *fontp = dpyinfo->font_table + i; | |
12523 | int w, h; | |
12524 | ||
12525 | font = (XFontStruct *) fontp->font; | |
12526 | xassert (font != (XFontStruct *) ~0); | |
12527 | x_font_min_bounds (font, &w, &h); | |
12528 | ||
12529 | dpyinfo->smallest_font_height = min (dpyinfo->smallest_font_height, h); | |
12530 | dpyinfo->smallest_char_width = min (dpyinfo->smallest_char_width, w); | |
12531 | } | |
12532 | ||
12533 | xassert (dpyinfo->smallest_char_width > 0 | |
12534 | && dpyinfo->smallest_font_height > 0); | |
12535 | ||
12536 | return (dpyinfo->n_fonts == 1 | |
12537 | || dpyinfo->smallest_char_width < old_width | |
12538 | || dpyinfo->smallest_font_height < old_height); | |
12539 | } | |
12540 | ||
12541 | ||
dc43ef94 KH |
12542 | /* Load font named FONTNAME of the size SIZE for frame F, and return a |
12543 | pointer to the structure font_info while allocating it dynamically. | |
12544 | If SIZE is 0, load any size of font. | |
12545 | If loading is failed, return NULL. */ | |
12546 | ||
12547 | struct font_info * | |
12548 | x_load_font (f, fontname, size) | |
12549 | struct frame *f; | |
12550 | register char *fontname; | |
12551 | int size; | |
12552 | { | |
12553 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
12554 | Lisp_Object font_names; | |
d645aaa4 | 12555 | int count; |
dc43ef94 KH |
12556 | |
12557 | /* Get a list of all the fonts that match this name. Once we | |
12558 | have a list of matching fonts, we compare them against the fonts | |
12559 | we already have by comparing names. */ | |
09c6077f | 12560 | font_names = x_list_fonts (f, build_string (fontname), size, 1); |
dc43ef94 KH |
12561 | |
12562 | if (!NILP (font_names)) | |
12563 | { | |
12564 | Lisp_Object tail; | |
12565 | int i; | |
12566 | ||
12567 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
8e713be6 | 12568 | for (tail = font_names; CONSP (tail); tail = XCDR (tail)) |
06a2c219 GM |
12569 | if (dpyinfo->font_table[i].name |
12570 | && (!strcmp (dpyinfo->font_table[i].name, | |
8e713be6 | 12571 | XSTRING (XCAR (tail))->data) |
06a2c219 | 12572 | || !strcmp (dpyinfo->font_table[i].full_name, |
8e713be6 | 12573 | XSTRING (XCAR (tail))->data))) |
dc43ef94 KH |
12574 | return (dpyinfo->font_table + i); |
12575 | } | |
12576 | ||
12577 | /* Load the font and add it to the table. */ | |
12578 | { | |
12579 | char *full_name; | |
12580 | XFontStruct *font; | |
12581 | struct font_info *fontp; | |
12582 | unsigned long value; | |
06a2c219 | 12583 | int i; |
dc43ef94 | 12584 | |
2da424f1 KH |
12585 | /* If we have found fonts by x_list_font, load one of them. If |
12586 | not, we still try to load a font by the name given as FONTNAME | |
12587 | because XListFonts (called in x_list_font) of some X server has | |
12588 | a bug of not finding a font even if the font surely exists and | |
12589 | is loadable by XLoadQueryFont. */ | |
e1d6d5b9 | 12590 | if (size > 0 && !NILP (font_names)) |
8e713be6 | 12591 | fontname = (char *) XSTRING (XCAR (font_names))->data; |
dc43ef94 KH |
12592 | |
12593 | BLOCK_INPUT; | |
d645aaa4 | 12594 | count = x_catch_errors (FRAME_X_DISPLAY (f)); |
dc43ef94 | 12595 | font = (XFontStruct *) XLoadQueryFont (FRAME_X_DISPLAY (f), fontname); |
d645aaa4 KH |
12596 | if (x_had_errors_p (FRAME_X_DISPLAY (f))) |
12597 | { | |
12598 | /* This error is perhaps due to insufficient memory on X | |
12599 | server. Let's just ignore it. */ | |
12600 | font = NULL; | |
12601 | x_clear_errors (FRAME_X_DISPLAY (f)); | |
12602 | } | |
12603 | x_uncatch_errors (FRAME_X_DISPLAY (f), count); | |
dc43ef94 | 12604 | UNBLOCK_INPUT; |
b5210ea7 | 12605 | if (!font) |
dc43ef94 KH |
12606 | return NULL; |
12607 | ||
06a2c219 GM |
12608 | /* Find a free slot in the font table. */ |
12609 | for (i = 0; i < dpyinfo->n_fonts; ++i) | |
12610 | if (dpyinfo->font_table[i].name == NULL) | |
12611 | break; | |
12612 | ||
12613 | /* If no free slot found, maybe enlarge the font table. */ | |
12614 | if (i == dpyinfo->n_fonts | |
12615 | && dpyinfo->n_fonts == dpyinfo->font_table_size) | |
dc43ef94 | 12616 | { |
06a2c219 GM |
12617 | int sz; |
12618 | dpyinfo->font_table_size = max (16, 2 * dpyinfo->font_table_size); | |
12619 | sz = dpyinfo->font_table_size * sizeof *dpyinfo->font_table; | |
dc43ef94 | 12620 | dpyinfo->font_table |
06a2c219 | 12621 | = (struct font_info *) xrealloc (dpyinfo->font_table, sz); |
dc43ef94 KH |
12622 | } |
12623 | ||
06a2c219 GM |
12624 | fontp = dpyinfo->font_table + i; |
12625 | if (i == dpyinfo->n_fonts) | |
12626 | ++dpyinfo->n_fonts; | |
dc43ef94 KH |
12627 | |
12628 | /* Now fill in the slots of *FONTP. */ | |
12629 | BLOCK_INPUT; | |
12630 | fontp->font = font; | |
06a2c219 | 12631 | fontp->font_idx = i; |
dc43ef94 KH |
12632 | fontp->name = (char *) xmalloc (strlen (fontname) + 1); |
12633 | bcopy (fontname, fontp->name, strlen (fontname) + 1); | |
12634 | ||
12635 | /* Try to get the full name of FONT. Put it in FULL_NAME. */ | |
12636 | full_name = 0; | |
12637 | if (XGetFontProperty (font, XA_FONT, &value)) | |
12638 | { | |
12639 | char *name = (char *) XGetAtomName (FRAME_X_DISPLAY (f), (Atom) value); | |
12640 | char *p = name; | |
12641 | int dashes = 0; | |
12642 | ||
12643 | /* Count the number of dashes in the "full name". | |
12644 | If it is too few, this isn't really the font's full name, | |
12645 | so don't use it. | |
12646 | In X11R4, the fonts did not come with their canonical names | |
12647 | stored in them. */ | |
12648 | while (*p) | |
12649 | { | |
12650 | if (*p == '-') | |
12651 | dashes++; | |
12652 | p++; | |
12653 | } | |
12654 | ||
12655 | if (dashes >= 13) | |
12656 | { | |
12657 | full_name = (char *) xmalloc (p - name + 1); | |
12658 | bcopy (name, full_name, p - name + 1); | |
12659 | } | |
12660 | ||
12661 | XFree (name); | |
12662 | } | |
12663 | ||
12664 | if (full_name != 0) | |
12665 | fontp->full_name = full_name; | |
12666 | else | |
12667 | fontp->full_name = fontp->name; | |
12668 | ||
12669 | fontp->size = font->max_bounds.width; | |
d5749adb KH |
12670 | fontp->height = FONT_HEIGHT (font); |
12671 | { | |
12672 | /* For some font, ascent and descent in max_bounds field is | |
12673 | larger than the above value. */ | |
12674 | int max_height = font->max_bounds.ascent + font->max_bounds.descent; | |
12675 | if (max_height > fontp->height) | |
74848a96 | 12676 | fontp->height = max_height; |
d5749adb | 12677 | } |
dc43ef94 | 12678 | |
2da424f1 KH |
12679 | if (NILP (font_names)) |
12680 | { | |
12681 | /* We come here because of a bug of XListFonts mentioned at | |
12682 | the head of this block. Let's store this information in | |
12683 | the cache for x_list_fonts. */ | |
12684 | Lisp_Object lispy_name = build_string (fontname); | |
12685 | Lisp_Object lispy_full_name = build_string (fontp->full_name); | |
12686 | ||
8e713be6 | 12687 | XCDR (dpyinfo->name_list_element) |
2da424f1 KH |
12688 | = Fcons (Fcons (Fcons (lispy_name, make_number (256)), |
12689 | Fcons (Fcons (lispy_full_name, | |
12690 | make_number (fontp->size)), | |
12691 | Qnil)), | |
8e713be6 | 12692 | XCDR (dpyinfo->name_list_element)); |
2da424f1 | 12693 | if (full_name) |
8e713be6 | 12694 | XCDR (dpyinfo->name_list_element) |
2da424f1 KH |
12695 | = Fcons (Fcons (Fcons (lispy_full_name, make_number (256)), |
12696 | Fcons (Fcons (lispy_full_name, | |
12697 | make_number (fontp->size)), | |
12698 | Qnil)), | |
8e713be6 | 12699 | XCDR (dpyinfo->name_list_element)); |
2da424f1 KH |
12700 | } |
12701 | ||
dc43ef94 KH |
12702 | /* The slot `encoding' specifies how to map a character |
12703 | code-points (0x20..0x7F or 0x2020..0x7F7F) of each charset to | |
ee569018 KH |
12704 | the font code-points (0:0x20..0x7F, 1:0xA0..0xFF), or |
12705 | (0:0x2020..0x7F7F, 1:0xA0A0..0xFFFF, 3:0x20A0..0x7FFF, | |
8ff102bd | 12706 | 2:0xA020..0xFF7F). For the moment, we don't know which charset |
06a2c219 | 12707 | uses this font. So, we set information in fontp->encoding[1] |
8ff102bd RS |
12708 | which is never used by any charset. If mapping can't be |
12709 | decided, set FONT_ENCODING_NOT_DECIDED. */ | |
dc43ef94 KH |
12710 | fontp->encoding[1] |
12711 | = (font->max_byte1 == 0 | |
12712 | /* 1-byte font */ | |
12713 | ? (font->min_char_or_byte2 < 0x80 | |
12714 | ? (font->max_char_or_byte2 < 0x80 | |
12715 | ? 0 /* 0x20..0x7F */ | |
8ff102bd | 12716 | : FONT_ENCODING_NOT_DECIDED) /* 0x20..0xFF */ |
dc43ef94 KH |
12717 | : 1) /* 0xA0..0xFF */ |
12718 | /* 2-byte font */ | |
12719 | : (font->min_byte1 < 0x80 | |
12720 | ? (font->max_byte1 < 0x80 | |
12721 | ? (font->min_char_or_byte2 < 0x80 | |
12722 | ? (font->max_char_or_byte2 < 0x80 | |
12723 | ? 0 /* 0x2020..0x7F7F */ | |
8ff102bd | 12724 | : FONT_ENCODING_NOT_DECIDED) /* 0x2020..0x7FFF */ |
dc43ef94 | 12725 | : 3) /* 0x20A0..0x7FFF */ |
8ff102bd | 12726 | : FONT_ENCODING_NOT_DECIDED) /* 0x20??..0xA0?? */ |
dc43ef94 KH |
12727 | : (font->min_char_or_byte2 < 0x80 |
12728 | ? (font->max_char_or_byte2 < 0x80 | |
12729 | ? 2 /* 0xA020..0xFF7F */ | |
8ff102bd | 12730 | : FONT_ENCODING_NOT_DECIDED) /* 0xA020..0xFFFF */ |
dc43ef94 KH |
12731 | : 1))); /* 0xA0A0..0xFFFF */ |
12732 | ||
12733 | fontp->baseline_offset | |
12734 | = (XGetFontProperty (font, dpyinfo->Xatom_MULE_BASELINE_OFFSET, &value) | |
12735 | ? (long) value : 0); | |
12736 | fontp->relative_compose | |
12737 | = (XGetFontProperty (font, dpyinfo->Xatom_MULE_RELATIVE_COMPOSE, &value) | |
12738 | ? (long) value : 0); | |
f78798df KH |
12739 | fontp->default_ascent |
12740 | = (XGetFontProperty (font, dpyinfo->Xatom_MULE_DEFAULT_ASCENT, &value) | |
12741 | ? (long) value : 0); | |
dc43ef94 | 12742 | |
06a2c219 GM |
12743 | /* Set global flag fonts_changed_p to non-zero if the font loaded |
12744 | has a character with a smaller width than any other character | |
12745 | before, or if the font loaded has a smalle>r height than any | |
12746 | other font loaded before. If this happens, it will make a | |
12747 | glyph matrix reallocation necessary. */ | |
12748 | fonts_changed_p = x_compute_min_glyph_bounds (f); | |
dc43ef94 | 12749 | UNBLOCK_INPUT; |
dc43ef94 KH |
12750 | return fontp; |
12751 | } | |
12752 | } | |
12753 | ||
06a2c219 GM |
12754 | |
12755 | /* Return a pointer to struct font_info of a font named FONTNAME for | |
12756 | frame F. If no such font is loaded, return NULL. */ | |
12757 | ||
dc43ef94 KH |
12758 | struct font_info * |
12759 | x_query_font (f, fontname) | |
12760 | struct frame *f; | |
12761 | register char *fontname; | |
12762 | { | |
12763 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
12764 | int i; | |
12765 | ||
12766 | for (i = 0; i < dpyinfo->n_fonts; i++) | |
06a2c219 GM |
12767 | if (dpyinfo->font_table[i].name |
12768 | && (!strcmp (dpyinfo->font_table[i].name, fontname) | |
12769 | || !strcmp (dpyinfo->font_table[i].full_name, fontname))) | |
dc43ef94 KH |
12770 | return (dpyinfo->font_table + i); |
12771 | return NULL; | |
12772 | } | |
12773 | ||
06a2c219 GM |
12774 | |
12775 | /* Find a CCL program for a font specified by FONTP, and set the member | |
a6582676 KH |
12776 | `encoder' of the structure. */ |
12777 | ||
12778 | void | |
12779 | x_find_ccl_program (fontp) | |
12780 | struct font_info *fontp; | |
12781 | { | |
a42f54e6 | 12782 | Lisp_Object list, elt; |
a6582676 | 12783 | |
8e713be6 | 12784 | for (list = Vfont_ccl_encoder_alist; CONSP (list); list = XCDR (list)) |
a6582676 | 12785 | { |
8e713be6 | 12786 | elt = XCAR (list); |
a6582676 | 12787 | if (CONSP (elt) |
8e713be6 KR |
12788 | && STRINGP (XCAR (elt)) |
12789 | && (fast_c_string_match_ignore_case (XCAR (elt), fontp->name) | |
a6582676 | 12790 | >= 0)) |
a42f54e6 KH |
12791 | break; |
12792 | } | |
12793 | if (! NILP (list)) | |
12794 | { | |
d27f8ca7 KH |
12795 | struct ccl_program *ccl |
12796 | = (struct ccl_program *) xmalloc (sizeof (struct ccl_program)); | |
a42f54e6 | 12797 | |
8e713be6 | 12798 | if (setup_ccl_program (ccl, XCDR (elt)) < 0) |
a42f54e6 KH |
12799 | xfree (ccl); |
12800 | else | |
12801 | fontp->font_encoder = ccl; | |
a6582676 KH |
12802 | } |
12803 | } | |
12804 | ||
06a2c219 | 12805 | |
dc43ef94 | 12806 | \f |
06a2c219 GM |
12807 | /*********************************************************************** |
12808 | Initialization | |
12809 | ***********************************************************************/ | |
f451eb13 | 12810 | |
3afe33e7 RS |
12811 | #ifdef USE_X_TOOLKIT |
12812 | static XrmOptionDescRec emacs_options[] = { | |
12813 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
12814 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
12815 | ||
12816 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
12817 | XrmoptionSepArg, NULL}, | |
12818 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
12819 | ||
12820 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
12821 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
12822 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
12823 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
12824 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
12825 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
12826 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
12827 | }; | |
12828 | #endif /* USE_X_TOOLKIT */ | |
12829 | ||
7a13e894 RS |
12830 | static int x_initialized; |
12831 | ||
29b38361 KH |
12832 | #ifdef MULTI_KBOARD |
12833 | /* Test whether two display-name strings agree up to the dot that separates | |
12834 | the screen number from the server number. */ | |
12835 | static int | |
12836 | same_x_server (name1, name2) | |
12837 | char *name1, *name2; | |
12838 | { | |
12839 | int seen_colon = 0; | |
cf591cc1 RS |
12840 | unsigned char *system_name = XSTRING (Vsystem_name)->data; |
12841 | int system_name_length = strlen (system_name); | |
12842 | int length_until_period = 0; | |
12843 | ||
12844 | while (system_name[length_until_period] != 0 | |
12845 | && system_name[length_until_period] != '.') | |
12846 | length_until_period++; | |
12847 | ||
12848 | /* Treat `unix' like an empty host name. */ | |
12849 | if (! strncmp (name1, "unix:", 5)) | |
12850 | name1 += 4; | |
12851 | if (! strncmp (name2, "unix:", 5)) | |
12852 | name2 += 4; | |
12853 | /* Treat this host's name like an empty host name. */ | |
12854 | if (! strncmp (name1, system_name, system_name_length) | |
12855 | && name1[system_name_length] == ':') | |
12856 | name1 += system_name_length; | |
12857 | if (! strncmp (name2, system_name, system_name_length) | |
12858 | && name2[system_name_length] == ':') | |
12859 | name2 += system_name_length; | |
12860 | /* Treat this host's domainless name like an empty host name. */ | |
12861 | if (! strncmp (name1, system_name, length_until_period) | |
12862 | && name1[length_until_period] == ':') | |
12863 | name1 += length_until_period; | |
12864 | if (! strncmp (name2, system_name, length_until_period) | |
12865 | && name2[length_until_period] == ':') | |
12866 | name2 += length_until_period; | |
12867 | ||
29b38361 KH |
12868 | for (; *name1 != '\0' && *name1 == *name2; name1++, name2++) |
12869 | { | |
12870 | if (*name1 == ':') | |
12871 | seen_colon++; | |
12872 | if (seen_colon && *name1 == '.') | |
12873 | return 1; | |
12874 | } | |
12875 | return (seen_colon | |
12876 | && (*name1 == '.' || *name1 == '\0') | |
12877 | && (*name2 == '.' || *name2 == '\0')); | |
12878 | } | |
12879 | #endif | |
12880 | ||
334208b7 | 12881 | struct x_display_info * |
1f8255f2 | 12882 | x_term_init (display_name, xrm_option, resource_name) |
334208b7 | 12883 | Lisp_Object display_name; |
1f8255f2 RS |
12884 | char *xrm_option; |
12885 | char *resource_name; | |
dc6f92b8 | 12886 | { |
334208b7 | 12887 | int connection; |
7a13e894 | 12888 | Display *dpy; |
334208b7 RS |
12889 | struct x_display_info *dpyinfo; |
12890 | XrmDatabase xrdb; | |
12891 | ||
60439948 KH |
12892 | BLOCK_INPUT; |
12893 | ||
7a13e894 RS |
12894 | if (!x_initialized) |
12895 | { | |
12896 | x_initialize (); | |
12897 | x_initialized = 1; | |
12898 | } | |
dc6f92b8 | 12899 | |
3afe33e7 | 12900 | #ifdef USE_X_TOOLKIT |
2d7fc7e8 RS |
12901 | /* weiner@footloose.sps.mot.com reports that this causes |
12902 | errors with X11R5: | |
12903 | X protocol error: BadAtom (invalid Atom parameter) | |
12904 | on protocol request 18skiloaf. | |
12905 | So let's not use it until R6. */ | |
12906 | #ifdef HAVE_X11XTR6 | |
bdcd49ba RS |
12907 | XtSetLanguageProc (NULL, NULL, NULL); |
12908 | #endif | |
12909 | ||
7f9c7f94 RS |
12910 | { |
12911 | int argc = 0; | |
12912 | char *argv[3]; | |
12913 | ||
12914 | argv[0] = ""; | |
12915 | argc = 1; | |
12916 | if (xrm_option) | |
12917 | { | |
12918 | argv[argc++] = "-xrm"; | |
12919 | argv[argc++] = xrm_option; | |
12920 | } | |
12921 | dpy = XtOpenDisplay (Xt_app_con, XSTRING (display_name)->data, | |
12922 | resource_name, EMACS_CLASS, | |
12923 | emacs_options, XtNumber (emacs_options), | |
12924 | &argc, argv); | |
39d8bb4d KH |
12925 | |
12926 | #ifdef HAVE_X11XTR6 | |
10537cb1 | 12927 | /* I think this is to compensate for XtSetLanguageProc. */ |
71f8198a | 12928 | fixup_locale (); |
39d8bb4d | 12929 | #endif |
7f9c7f94 | 12930 | } |
3afe33e7 RS |
12931 | |
12932 | #else /* not USE_X_TOOLKIT */ | |
bdcd49ba RS |
12933 | #ifdef HAVE_X11R5 |
12934 | XSetLocaleModifiers (""); | |
12935 | #endif | |
7a13e894 | 12936 | dpy = XOpenDisplay (XSTRING (display_name)->data); |
3afe33e7 | 12937 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 12938 | |
7a13e894 RS |
12939 | /* Detect failure. */ |
12940 | if (dpy == 0) | |
60439948 KH |
12941 | { |
12942 | UNBLOCK_INPUT; | |
12943 | return 0; | |
12944 | } | |
7a13e894 RS |
12945 | |
12946 | /* We have definitely succeeded. Record the new connection. */ | |
12947 | ||
12948 | dpyinfo = (struct x_display_info *) xmalloc (sizeof (struct x_display_info)); | |
12949 | ||
29b38361 KH |
12950 | #ifdef MULTI_KBOARD |
12951 | { | |
12952 | struct x_display_info *share; | |
12953 | Lisp_Object tail; | |
12954 | ||
12955 | for (share = x_display_list, tail = x_display_name_list; share; | |
8e713be6 KR |
12956 | share = share->next, tail = XCDR (tail)) |
12957 | if (same_x_server (XSTRING (XCAR (XCAR (tail)))->data, | |
29b38361 KH |
12958 | XSTRING (display_name)->data)) |
12959 | break; | |
12960 | if (share) | |
12961 | dpyinfo->kboard = share->kboard; | |
12962 | else | |
12963 | { | |
12964 | dpyinfo->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); | |
12965 | init_kboard (dpyinfo->kboard); | |
59e755be KH |
12966 | if (!EQ (XSYMBOL (Qvendor_specific_keysyms)->function, Qunbound)) |
12967 | { | |
12968 | char *vendor = ServerVendor (dpy); | |
9b6ed9f3 | 12969 | UNBLOCK_INPUT; |
59e755be KH |
12970 | dpyinfo->kboard->Vsystem_key_alist |
12971 | = call1 (Qvendor_specific_keysyms, | |
12972 | build_string (vendor ? vendor : "")); | |
9b6ed9f3 | 12973 | BLOCK_INPUT; |
59e755be KH |
12974 | } |
12975 | ||
29b38361 KH |
12976 | dpyinfo->kboard->next_kboard = all_kboards; |
12977 | all_kboards = dpyinfo->kboard; | |
0ad5446c KH |
12978 | /* Don't let the initial kboard remain current longer than necessary. |
12979 | That would cause problems if a file loaded on startup tries to | |
06a2c219 | 12980 | prompt in the mini-buffer. */ |
0ad5446c KH |
12981 | if (current_kboard == initial_kboard) |
12982 | current_kboard = dpyinfo->kboard; | |
29b38361 KH |
12983 | } |
12984 | dpyinfo->kboard->reference_count++; | |
12985 | } | |
b9737ad3 KH |
12986 | #endif |
12987 | ||
7a13e894 RS |
12988 | /* Put this display on the chain. */ |
12989 | dpyinfo->next = x_display_list; | |
12990 | x_display_list = dpyinfo; | |
12991 | ||
12992 | /* Put it on x_display_name_list as well, to keep them parallel. */ | |
12993 | x_display_name_list = Fcons (Fcons (display_name, Qnil), | |
12994 | x_display_name_list); | |
8e713be6 | 12995 | dpyinfo->name_list_element = XCAR (x_display_name_list); |
7a13e894 RS |
12996 | |
12997 | dpyinfo->display = dpy; | |
dc6f92b8 | 12998 | |
dc6f92b8 | 12999 | #if 0 |
7a13e894 | 13000 | XSetAfterFunction (x_current_display, x_trace_wire); |
c118dd06 | 13001 | #endif /* ! 0 */ |
7a13e894 RS |
13002 | |
13003 | dpyinfo->x_id_name | |
fc932ac6 RS |
13004 | = (char *) xmalloc (STRING_BYTES (XSTRING (Vinvocation_name)) |
13005 | + STRING_BYTES (XSTRING (Vsystem_name)) | |
7a13e894 RS |
13006 | + 2); |
13007 | sprintf (dpyinfo->x_id_name, "%s@%s", | |
13008 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
28430d3c JB |
13009 | |
13010 | /* Figure out which modifier bits mean what. */ | |
334208b7 | 13011 | x_find_modifier_meanings (dpyinfo); |
f451eb13 | 13012 | |
ab648270 | 13013 | /* Get the scroll bar cursor. */ |
7a13e894 | 13014 | dpyinfo->vertical_scroll_bar_cursor |
334208b7 | 13015 | = XCreateFontCursor (dpyinfo->display, XC_sb_v_double_arrow); |
f451eb13 | 13016 | |
334208b7 RS |
13017 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
13018 | resource_name, EMACS_CLASS); | |
13019 | #ifdef HAVE_XRMSETDATABASE | |
13020 | XrmSetDatabase (dpyinfo->display, xrdb); | |
13021 | #else | |
13022 | dpyinfo->display->db = xrdb; | |
13023 | #endif | |
547d9db8 | 13024 | /* Put the rdb where we can find it in a way that works on |
7a13e894 RS |
13025 | all versions. */ |
13026 | dpyinfo->xrdb = xrdb; | |
334208b7 RS |
13027 | |
13028 | dpyinfo->screen = ScreenOfDisplay (dpyinfo->display, | |
13029 | DefaultScreen (dpyinfo->display)); | |
5ff67d81 | 13030 | select_visual (dpyinfo); |
43bd1b2b | 13031 | dpyinfo->cmap = DefaultColormapOfScreen (dpyinfo->screen); |
334208b7 RS |
13032 | dpyinfo->height = HeightOfScreen (dpyinfo->screen); |
13033 | dpyinfo->width = WidthOfScreen (dpyinfo->screen); | |
13034 | dpyinfo->root_window = RootWindowOfScreen (dpyinfo->screen); | |
13035 | dpyinfo->grabbed = 0; | |
13036 | dpyinfo->reference_count = 0; | |
13037 | dpyinfo->icon_bitmap_id = -1; | |
06a2c219 | 13038 | dpyinfo->font_table = NULL; |
7a13e894 RS |
13039 | dpyinfo->n_fonts = 0; |
13040 | dpyinfo->font_table_size = 0; | |
13041 | dpyinfo->bitmaps = 0; | |
13042 | dpyinfo->bitmaps_size = 0; | |
13043 | dpyinfo->bitmaps_last = 0; | |
13044 | dpyinfo->scratch_cursor_gc = 0; | |
13045 | dpyinfo->mouse_face_mouse_frame = 0; | |
13046 | dpyinfo->mouse_face_deferred_gc = 0; | |
13047 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
13048 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
06a2c219 | 13049 | dpyinfo->mouse_face_face_id = DEFAULT_FACE_ID; |
7a13e894 RS |
13050 | dpyinfo->mouse_face_window = Qnil; |
13051 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; | |
13052 | dpyinfo->mouse_face_defer = 0; | |
0f941935 KH |
13053 | dpyinfo->x_focus_frame = 0; |
13054 | dpyinfo->x_focus_event_frame = 0; | |
13055 | dpyinfo->x_highlight_frame = 0; | |
06a2c219 | 13056 | dpyinfo->image_cache = make_image_cache (); |
334208b7 | 13057 | |
43bd1b2b | 13058 | /* See if a private colormap is requested. */ |
5ff67d81 GM |
13059 | if (dpyinfo->visual == DefaultVisualOfScreen (dpyinfo->screen)) |
13060 | { | |
13061 | if (dpyinfo->visual->class == PseudoColor) | |
13062 | { | |
13063 | Lisp_Object value; | |
13064 | value = display_x_get_resource (dpyinfo, | |
13065 | build_string ("privateColormap"), | |
13066 | build_string ("PrivateColormap"), | |
13067 | Qnil, Qnil); | |
13068 | if (STRINGP (value) | |
13069 | && (!strcmp (XSTRING (value)->data, "true") | |
13070 | || !strcmp (XSTRING (value)->data, "on"))) | |
13071 | dpyinfo->cmap = XCopyColormapAndFree (dpyinfo->display, dpyinfo->cmap); | |
13072 | } | |
43bd1b2b | 13073 | } |
5ff67d81 GM |
13074 | else |
13075 | dpyinfo->cmap = XCreateColormap (dpyinfo->display, dpyinfo->root_window, | |
13076 | dpyinfo->visual, AllocNone); | |
43bd1b2b | 13077 | |
06a2c219 GM |
13078 | { |
13079 | int screen_number = XScreenNumberOfScreen (dpyinfo->screen); | |
13080 | double pixels = DisplayHeight (dpyinfo->display, screen_number); | |
13081 | double mm = DisplayHeightMM (dpyinfo->display, screen_number); | |
13082 | dpyinfo->resy = pixels * 25.4 / mm; | |
13083 | pixels = DisplayWidth (dpyinfo->display, screen_number); | |
13084 | mm = DisplayWidthMM (dpyinfo->display, screen_number); | |
13085 | dpyinfo->resx = pixels * 25.4 / mm; | |
13086 | } | |
13087 | ||
334208b7 RS |
13088 | dpyinfo->Xatom_wm_protocols |
13089 | = XInternAtom (dpyinfo->display, "WM_PROTOCOLS", False); | |
13090 | dpyinfo->Xatom_wm_take_focus | |
13091 | = XInternAtom (dpyinfo->display, "WM_TAKE_FOCUS", False); | |
13092 | dpyinfo->Xatom_wm_save_yourself | |
13093 | = XInternAtom (dpyinfo->display, "WM_SAVE_YOURSELF", False); | |
13094 | dpyinfo->Xatom_wm_delete_window | |
13095 | = XInternAtom (dpyinfo->display, "WM_DELETE_WINDOW", False); | |
13096 | dpyinfo->Xatom_wm_change_state | |
13097 | = XInternAtom (dpyinfo->display, "WM_CHANGE_STATE", False); | |
13098 | dpyinfo->Xatom_wm_configure_denied | |
13099 | = XInternAtom (dpyinfo->display, "WM_CONFIGURE_DENIED", False); | |
13100 | dpyinfo->Xatom_wm_window_moved | |
13101 | = XInternAtom (dpyinfo->display, "WM_MOVED", False); | |
13102 | dpyinfo->Xatom_editres | |
13103 | = XInternAtom (dpyinfo->display, "Editres", False); | |
13104 | dpyinfo->Xatom_CLIPBOARD | |
13105 | = XInternAtom (dpyinfo->display, "CLIPBOARD", False); | |
13106 | dpyinfo->Xatom_TIMESTAMP | |
13107 | = XInternAtom (dpyinfo->display, "TIMESTAMP", False); | |
13108 | dpyinfo->Xatom_TEXT | |
13109 | = XInternAtom (dpyinfo->display, "TEXT", False); | |
dc43ef94 KH |
13110 | dpyinfo->Xatom_COMPOUND_TEXT |
13111 | = XInternAtom (dpyinfo->display, "COMPOUND_TEXT", False); | |
334208b7 RS |
13112 | dpyinfo->Xatom_DELETE |
13113 | = XInternAtom (dpyinfo->display, "DELETE", False); | |
13114 | dpyinfo->Xatom_MULTIPLE | |
13115 | = XInternAtom (dpyinfo->display, "MULTIPLE", False); | |
13116 | dpyinfo->Xatom_INCR | |
13117 | = XInternAtom (dpyinfo->display, "INCR", False); | |
13118 | dpyinfo->Xatom_EMACS_TMP | |
13119 | = XInternAtom (dpyinfo->display, "_EMACS_TMP_", False); | |
13120 | dpyinfo->Xatom_TARGETS | |
13121 | = XInternAtom (dpyinfo->display, "TARGETS", False); | |
13122 | dpyinfo->Xatom_NULL | |
13123 | = XInternAtom (dpyinfo->display, "NULL", False); | |
13124 | dpyinfo->Xatom_ATOM_PAIR | |
13125 | = XInternAtom (dpyinfo->display, "ATOM_PAIR", False); | |
dc43ef94 KH |
13126 | /* For properties of font. */ |
13127 | dpyinfo->Xatom_PIXEL_SIZE | |
13128 | = XInternAtom (dpyinfo->display, "PIXEL_SIZE", False); | |
13129 | dpyinfo->Xatom_MULE_BASELINE_OFFSET | |
13130 | = XInternAtom (dpyinfo->display, "_MULE_BASELINE_OFFSET", False); | |
13131 | dpyinfo->Xatom_MULE_RELATIVE_COMPOSE | |
13132 | = XInternAtom (dpyinfo->display, "_MULE_RELATIVE_COMPOSE", False); | |
f78798df KH |
13133 | dpyinfo->Xatom_MULE_DEFAULT_ASCENT |
13134 | = XInternAtom (dpyinfo->display, "_MULE_DEFAULT_ASCENT", False); | |
334208b7 | 13135 | |
06a2c219 GM |
13136 | /* Ghostscript support. */ |
13137 | dpyinfo->Xatom_PAGE = XInternAtom (dpyinfo->display, "PAGE", False); | |
13138 | dpyinfo->Xatom_DONE = XInternAtom (dpyinfo->display, "DONE", False); | |
13139 | ||
13140 | dpyinfo->Xatom_Scrollbar = XInternAtom (dpyinfo->display, "SCROLLBAR", | |
13141 | False); | |
13142 | ||
547d9db8 KH |
13143 | dpyinfo->cut_buffers_initialized = 0; |
13144 | ||
334208b7 RS |
13145 | connection = ConnectionNumber (dpyinfo->display); |
13146 | dpyinfo->connection = connection; | |
13147 | ||
dc43ef94 | 13148 | { |
5d7cc324 RS |
13149 | char null_bits[1]; |
13150 | ||
13151 | null_bits[0] = 0x00; | |
dc43ef94 KH |
13152 | |
13153 | dpyinfo->null_pixel | |
13154 | = XCreatePixmapFromBitmapData (dpyinfo->display, dpyinfo->root_window, | |
13155 | null_bits, 1, 1, (long) 0, (long) 0, | |
13156 | 1); | |
13157 | } | |
13158 | ||
06a2c219 GM |
13159 | { |
13160 | extern int gray_bitmap_width, gray_bitmap_height; | |
13161 | extern unsigned char *gray_bitmap_bits; | |
13162 | dpyinfo->gray | |
13163 | = XCreatePixmapFromBitmapData (dpyinfo->display, dpyinfo->root_window, | |
13164 | gray_bitmap_bits, | |
13165 | gray_bitmap_width, gray_bitmap_height, | |
13166 | (unsigned long) 1, (unsigned long) 0, 1); | |
13167 | } | |
13168 | ||
f5d11644 GM |
13169 | #ifdef HAVE_X_I18N |
13170 | xim_initialize (dpyinfo, resource_name); | |
13171 | #endif | |
13172 | ||
87485d6f MW |
13173 | #ifdef subprocesses |
13174 | /* This is only needed for distinguishing keyboard and process input. */ | |
334208b7 | 13175 | if (connection != 0) |
7a13e894 | 13176 | add_keyboard_wait_descriptor (connection); |
87485d6f | 13177 | #endif |
6d4238f3 | 13178 | |
041b69ac | 13179 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 13180 | #ifdef F_SETOWN |
dc6f92b8 | 13181 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 | 13182 | /* stdin is a socket here */ |
334208b7 | 13183 | fcntl (connection, F_SETOWN, -getpid ()); |
c118dd06 | 13184 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
334208b7 | 13185 | fcntl (connection, F_SETOWN, getpid ()); |
c118dd06 JB |
13186 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
13187 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 13188 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
13189 | |
13190 | #ifdef SIGIO | |
eee20f6a KH |
13191 | if (interrupt_input) |
13192 | init_sigio (connection); | |
c118dd06 | 13193 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 13194 | |
51b592fb | 13195 | #ifdef USE_LUCID |
f8c39f51 | 13196 | #ifdef HAVE_X11R5 /* It seems X11R4 lacks XtCvtStringToFont, and XPointer. */ |
51b592fb RS |
13197 | /* Make sure that we have a valid font for dialog boxes |
13198 | so that Xt does not crash. */ | |
13199 | { | |
13200 | Display *dpy = dpyinfo->display; | |
13201 | XrmValue d, fr, to; | |
13202 | Font font; | |
e99db5a1 | 13203 | int count; |
51b592fb RS |
13204 | |
13205 | d.addr = (XPointer)&dpy; | |
13206 | d.size = sizeof (Display *); | |
13207 | fr.addr = XtDefaultFont; | |
13208 | fr.size = sizeof (XtDefaultFont); | |
13209 | to.size = sizeof (Font *); | |
13210 | to.addr = (XPointer)&font; | |
e99db5a1 | 13211 | count = x_catch_errors (dpy); |
51b592fb RS |
13212 | if (!XtCallConverter (dpy, XtCvtStringToFont, &d, 1, &fr, &to, NULL)) |
13213 | abort (); | |
13214 | if (x_had_errors_p (dpy) || !XQueryFont (dpy, font)) | |
13215 | XrmPutLineResource (&xrdb, "Emacs.dialog.*.font: 9x15"); | |
e99db5a1 | 13216 | x_uncatch_errors (dpy, count); |
51b592fb RS |
13217 | } |
13218 | #endif | |
f8c39f51 | 13219 | #endif |
51b592fb | 13220 | |
34e23e5a GM |
13221 | /* See if we should run in synchronous mode. This is useful |
13222 | for debugging X code. */ | |
13223 | { | |
13224 | Lisp_Object value; | |
13225 | value = display_x_get_resource (dpyinfo, | |
13226 | build_string ("synchronous"), | |
13227 | build_string ("Synchronous"), | |
13228 | Qnil, Qnil); | |
13229 | if (STRINGP (value) | |
13230 | && (!strcmp (XSTRING (value)->data, "true") | |
13231 | || !strcmp (XSTRING (value)->data, "on"))) | |
13232 | XSynchronize (dpyinfo->display, True); | |
13233 | } | |
13234 | ||
60439948 KH |
13235 | UNBLOCK_INPUT; |
13236 | ||
7a13e894 RS |
13237 | return dpyinfo; |
13238 | } | |
13239 | \f | |
13240 | /* Get rid of display DPYINFO, assuming all frames are already gone, | |
13241 | and without sending any more commands to the X server. */ | |
dc6f92b8 | 13242 | |
7a13e894 RS |
13243 | void |
13244 | x_delete_display (dpyinfo) | |
13245 | struct x_display_info *dpyinfo; | |
13246 | { | |
13247 | delete_keyboard_wait_descriptor (dpyinfo->connection); | |
13248 | ||
13249 | /* Discard this display from x_display_name_list and x_display_list. | |
13250 | We can't use Fdelq because that can quit. */ | |
13251 | if (! NILP (x_display_name_list) | |
8e713be6 KR |
13252 | && EQ (XCAR (x_display_name_list), dpyinfo->name_list_element)) |
13253 | x_display_name_list = XCDR (x_display_name_list); | |
7a13e894 RS |
13254 | else |
13255 | { | |
13256 | Lisp_Object tail; | |
13257 | ||
13258 | tail = x_display_name_list; | |
8e713be6 | 13259 | while (CONSP (tail) && CONSP (XCDR (tail))) |
7a13e894 | 13260 | { |
bffcfca9 | 13261 | if (EQ (XCAR (XCDR (tail)), dpyinfo->name_list_element)) |
7a13e894 | 13262 | { |
8e713be6 | 13263 | XCDR (tail) = XCDR (XCDR (tail)); |
7a13e894 RS |
13264 | break; |
13265 | } | |
8e713be6 | 13266 | tail = XCDR (tail); |
7a13e894 RS |
13267 | } |
13268 | } | |
13269 | ||
9bda743f GM |
13270 | if (next_noop_dpyinfo == dpyinfo) |
13271 | next_noop_dpyinfo = dpyinfo->next; | |
13272 | ||
7a13e894 RS |
13273 | if (x_display_list == dpyinfo) |
13274 | x_display_list = dpyinfo->next; | |
7f9c7f94 RS |
13275 | else |
13276 | { | |
13277 | struct x_display_info *tail; | |
7a13e894 | 13278 | |
7f9c7f94 RS |
13279 | for (tail = x_display_list; tail; tail = tail->next) |
13280 | if (tail->next == dpyinfo) | |
13281 | tail->next = tail->next->next; | |
13282 | } | |
7a13e894 | 13283 | |
0d777288 RS |
13284 | #ifndef USE_X_TOOLKIT /* I'm told Xt does this itself. */ |
13285 | #ifndef AIX /* On AIX, XCloseDisplay calls this. */ | |
7f9c7f94 RS |
13286 | XrmDestroyDatabase (dpyinfo->xrdb); |
13287 | #endif | |
0d777288 | 13288 | #endif |
29b38361 KH |
13289 | #ifdef MULTI_KBOARD |
13290 | if (--dpyinfo->kboard->reference_count == 0) | |
39f79001 | 13291 | delete_kboard (dpyinfo->kboard); |
b9737ad3 | 13292 | #endif |
f5d11644 GM |
13293 | #ifdef HAVE_X_I18N |
13294 | if (dpyinfo->xim) | |
13295 | xim_close_dpy (dpyinfo); | |
13296 | #endif | |
13297 | ||
b9737ad3 KH |
13298 | xfree (dpyinfo->font_table); |
13299 | xfree (dpyinfo->x_id_name); | |
13300 | xfree (dpyinfo); | |
7a13e894 RS |
13301 | } |
13302 | \f | |
13303 | /* Set up use of X before we make the first connection. */ | |
13304 | ||
06a2c219 GM |
13305 | static struct redisplay_interface x_redisplay_interface = |
13306 | { | |
13307 | x_produce_glyphs, | |
13308 | x_write_glyphs, | |
13309 | x_insert_glyphs, | |
13310 | x_clear_end_of_line, | |
13311 | x_scroll_run, | |
13312 | x_after_update_window_line, | |
13313 | x_update_window_begin, | |
13314 | x_update_window_end, | |
13315 | XTcursor_to, | |
13316 | x_flush, | |
66ac4b0e GM |
13317 | x_get_glyph_overhangs, |
13318 | x_fix_overlapping_area | |
06a2c219 GM |
13319 | }; |
13320 | ||
dfcf069d | 13321 | void |
7a13e894 RS |
13322 | x_initialize () |
13323 | { | |
06a2c219 GM |
13324 | rif = &x_redisplay_interface; |
13325 | ||
13326 | clear_frame_hook = x_clear_frame; | |
13327 | ins_del_lines_hook = x_ins_del_lines; | |
13328 | change_line_highlight_hook = x_change_line_highlight; | |
13329 | delete_glyphs_hook = x_delete_glyphs; | |
dc6f92b8 JB |
13330 | ring_bell_hook = XTring_bell; |
13331 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
13332 | set_terminal_modes_hook = XTset_terminal_modes; | |
06a2c219 GM |
13333 | update_begin_hook = x_update_begin; |
13334 | update_end_hook = x_update_end; | |
dc6f92b8 JB |
13335 | set_terminal_window_hook = XTset_terminal_window; |
13336 | read_socket_hook = XTread_socket; | |
b8009dd1 | 13337 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 | 13338 | reassert_line_highlight_hook = XTreassert_line_highlight; |
90e65f07 | 13339 | mouse_position_hook = XTmouse_position; |
f451eb13 | 13340 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 13341 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
13342 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
13343 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
13344 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
13345 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
06a2c219 | 13346 | estimate_mode_line_height_hook = x_estimate_mode_line_height; |
58769bee | 13347 | |
f676886a | 13348 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
13349 | char_ins_del_ok = 0; /* just as fast to write the line */ |
13350 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
13351 | fast_clear_end_of_line = 1; /* X does this well */ | |
58769bee | 13352 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
13353 | off the bottom */ |
13354 | baud_rate = 19200; | |
13355 | ||
7a13e894 | 13356 | x_noop_count = 0; |
9ea173e8 | 13357 | last_tool_bar_item = -1; |
06a2c219 GM |
13358 | any_help_event_p = 0; |
13359 | ||
b30b24cb RS |
13360 | /* Try to use interrupt input; if we can't, then start polling. */ |
13361 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
13362 | ||
7f9c7f94 RS |
13363 | #ifdef USE_X_TOOLKIT |
13364 | XtToolkitInitialize (); | |
13365 | Xt_app_con = XtCreateApplicationContext (); | |
665881ad | 13366 | XtAppSetFallbackResources (Xt_app_con, Xt_default_resources); |
bffcfca9 GM |
13367 | |
13368 | /* Install an asynchronous timer that processes Xt timeout events | |
13369 | every 0.1s. This is necessary because some widget sets use | |
13370 | timeouts internally, for example the LessTif menu bar, or the | |
13371 | Xaw3d scroll bar. When Xt timouts aren't processed, these | |
13372 | widgets don't behave normally. */ | |
13373 | { | |
13374 | EMACS_TIME interval; | |
13375 | EMACS_SET_SECS_USECS (interval, 0, 100000); | |
13376 | start_atimer (ATIMER_CONTINUOUS, interval, x_process_timeouts, 0); | |
13377 | } | |
db74249b | 13378 | #endif |
bffcfca9 | 13379 | |
db74249b | 13380 | #if USE_TOOLKIT_SCROLL_BARS |
ec18280f SM |
13381 | xaw3d_arrow_scroll = False; |
13382 | xaw3d_pick_top = True; | |
7f9c7f94 RS |
13383 | #endif |
13384 | ||
58769bee | 13385 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 13386 | original error handler. */ |
e99db5a1 | 13387 | XSetErrorHandler (x_error_handler); |
334208b7 | 13388 | XSetIOErrorHandler (x_io_error_quitter); |
dc6f92b8 | 13389 | |
06a2c219 | 13390 | /* Disable Window Change signals; they are handled by X events. */ |
dc6f92b8 JB |
13391 | #ifdef SIGWINCH |
13392 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 13393 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 13394 | |
92e2441b | 13395 | signal (SIGPIPE, x_connection_signal); |
dc6f92b8 | 13396 | } |
55123275 | 13397 | |
06a2c219 | 13398 | |
55123275 JB |
13399 | void |
13400 | syms_of_xterm () | |
13401 | { | |
e99db5a1 RS |
13402 | staticpro (&x_error_message_string); |
13403 | x_error_message_string = Qnil; | |
13404 | ||
7a13e894 RS |
13405 | staticpro (&x_display_name_list); |
13406 | x_display_name_list = Qnil; | |
334208b7 | 13407 | |
ab648270 | 13408 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 13409 | last_mouse_scroll_bar = Qnil; |
59e755be KH |
13410 | |
13411 | staticpro (&Qvendor_specific_keysyms); | |
13412 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
2237cac9 RS |
13413 | |
13414 | staticpro (&last_mouse_press_frame); | |
13415 | last_mouse_press_frame = Qnil; | |
06a2c219 GM |
13416 | |
13417 | staticpro (&help_echo); | |
13418 | help_echo = Qnil; | |
13419 | staticpro (&previous_help_echo); | |
13420 | previous_help_echo = Qnil; | |
13421 | ||
13422 | DEFVAR_BOOL ("x-stretch-cursor", &x_stretch_cursor_p, | |
13423 | "*Non-nil means draw block cursor as wide as the glyph under it.\n\ | |
13424 | For example, if a block cursor is over a tab, it will be drawn as\n\ | |
13425 | wide as that tab on the display."); | |
13426 | x_stretch_cursor_p = 0; | |
13427 | ||
13428 | DEFVAR_BOOL ("x-toolkit-scroll-bars-p", &x_toolkit_scroll_bars_p, | |
13429 | "If not nil, Emacs uses toolkit scroll bars."); | |
13430 | #if USE_TOOLKIT_SCROLL_BARS | |
13431 | x_toolkit_scroll_bars_p = 1; | |
13432 | #else | |
13433 | x_toolkit_scroll_bars_p = 0; | |
13434 | #endif | |
13435 | ||
06a2c219 GM |
13436 | staticpro (&last_mouse_motion_frame); |
13437 | last_mouse_motion_frame = Qnil; | |
55123275 | 13438 | } |
6cf0ae86 RS |
13439 | |
13440 | #endif /* not HAVE_X_WINDOWS */ | |
06a2c219 | 13441 |