Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
f8c25f1b | 2 | Copyright (C) 1989, 1993, 1994, 1995 Free Software Foundation, Inc. |
dc6f92b8 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
4746118a | 8 | the Free Software Foundation; either version 2, or (at your option) |
dc6f92b8 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
dc6f92b8 | 20 | |
3afe33e7 RS |
21 | /* Xt features made by Fred Pierresteguy. */ |
22 | ||
039440c4 RS |
23 | /* On 4.3 these lose if they come after xterm.h. */ |
24 | /* On HP-UX 8.0 signal.h loses if it comes after config.h. */ | |
25 | /* Putting these at the beginning seems to be standard for other .c files. */ | |
039440c4 RS |
26 | #include <signal.h> |
27 | ||
18160b98 | 28 | #include <config.h> |
dc6f92b8 | 29 | |
4846819e RS |
30 | #include <stdio.h> |
31 | ||
3afe33e7 | 32 | /* Need syssignal.h for various externs and definitions that may be required |
bc20ebbf | 33 | by some configurations for calls to signal later in this source file. */ |
3afe33e7 RS |
34 | #include "syssignal.h" |
35 | ||
dc6f92b8 JB |
36 | #ifdef HAVE_X_WINDOWS |
37 | ||
38 | #include "lisp.h" | |
9ac0d9e0 | 39 | #include "blockinput.h" |
dc6f92b8 | 40 | |
dc6f92b8 JB |
41 | /* This may include sys/types.h, and that somehow loses |
42 | if this is not done before the other system files. */ | |
43 | #include "xterm.h" | |
f451eb13 | 44 | #include <X11/cursorfont.h> |
dc6f92b8 | 45 | |
16bd92ea | 46 | #ifndef USG |
dc6f92b8 JB |
47 | /* Load sys/types.h if not already loaded. |
48 | In some systems loading it twice is suicidal. */ | |
49 | #ifndef makedev | |
50 | #include <sys/types.h> | |
c118dd06 JB |
51 | #endif /* makedev */ |
52 | #endif /* USG */ | |
dc6f92b8 JB |
53 | |
54 | #ifdef BSD | |
55 | #include <sys/ioctl.h> | |
c118dd06 | 56 | #endif /* ! defined (BSD) */ |
dc6f92b8 | 57 | |
2d368234 | 58 | #include "systty.h" |
3a2712f9 | 59 | #include "systime.h" |
dc6f92b8 | 60 | |
b8009dd1 | 61 | #ifndef INCLUDED_FCNTL |
dc6f92b8 | 62 | #include <fcntl.h> |
b8009dd1 | 63 | #endif |
dc6f92b8 JB |
64 | #include <ctype.h> |
65 | #include <errno.h> | |
66 | #include <setjmp.h> | |
67 | #include <sys/stat.h> | |
a0a7635f RS |
68 | /* Caused redefinition of DBL_DIG on Netbsd; seems not to be needed. */ |
69 | /* #include <sys/param.h> */ | |
dc6f92b8 | 70 | |
7a13e894 | 71 | #include "frame.h" |
dc6f92b8 JB |
72 | #include "dispextern.h" |
73 | #include "termhooks.h" | |
74 | #include "termopts.h" | |
75 | #include "termchar.h" | |
76 | #if 0 | |
77 | #include "sink.h" | |
78 | #include "sinkmask.h" | |
c118dd06 | 79 | #endif /* ! 0 */ |
dc6f92b8 | 80 | #include "gnu.h" |
dc6f92b8 | 81 | #include "disptab.h" |
dc6f92b8 | 82 | #include "buffer.h" |
f451eb13 | 83 | #include "window.h" |
3b2fa4e6 | 84 | #include "keyboard.h" |
bde7c500 | 85 | #include "intervals.h" |
dc6f92b8 | 86 | |
3afe33e7 | 87 | #ifdef USE_X_TOOLKIT |
9d7e2e3e | 88 | extern void free_frame_menubar (); |
2224b905 | 89 | extern FRAME_PTR x_menubar_window_to_frame (); |
0fdff6bb RS |
90 | #if (XtSpecificationRelease >= 5) && !defined(NO_EDITRES) |
91 | #define HACK_EDITRES | |
92 | extern void _XEditResCheckMessages (); | |
93 | #endif /* not NO_EDITRES */ | |
3afe33e7 RS |
94 | #endif /* USE_X_TOOLKIT */ |
95 | ||
b849c413 RS |
96 | #ifndef USE_X_TOOLKIT |
97 | #define x_any_window_to_frame x_window_to_frame | |
5627c40e | 98 | #define x_top_window_to_frame x_window_to_frame |
b849c413 RS |
99 | #endif |
100 | ||
546e6d5b | 101 | #ifdef USE_X_TOOLKIT |
d067ea8b | 102 | #include "widget.h" |
546e6d5b RS |
103 | #ifndef XtNinitialState |
104 | #define XtNinitialState "initialState" | |
105 | #endif | |
106 | #endif | |
107 | ||
39d8bb4d KH |
108 | #ifdef HAVE_X11XTR6 |
109 | /* So we can do setlocale. */ | |
110 | #include <locale.h> | |
111 | #endif | |
112 | ||
31e3a046 KH |
113 | #ifdef SOLARIS2 |
114 | /* For XlibDisplayWriting */ | |
115 | #include <X11/Xlibint.h> | |
116 | #endif | |
117 | ||
e4b68333 | 118 | #ifndef min |
dc6f92b8 | 119 | #define min(a,b) ((a)<(b) ? (a) : (b)) |
e4b68333 RS |
120 | #endif |
121 | #ifndef max | |
dc6f92b8 | 122 | #define max(a,b) ((a)>(b) ? (a) : (b)) |
e4b68333 | 123 | #endif |
69388238 | 124 | \f |
334208b7 RS |
125 | /* This is a chain of structures for all the X displays currently in use. */ |
126 | struct x_display_info *x_display_list; | |
dc6f92b8 | 127 | |
7a13e894 RS |
128 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), |
129 | one for each element of x_display_list and in the same order. | |
130 | NAME is the name of the frame. | |
131 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
132 | Lisp_Object x_display_name_list; | |
f451eb13 | 133 | |
987d2ad1 | 134 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 135 | This is set by update_begin and looked at by all the |
dc6f92b8 | 136 | XT functions. It is zero while not inside an update. |
f676886a JB |
137 | In that case, the XT functions assume that `selected_frame' |
138 | is the frame to apply to. */ | |
d0386f2a | 139 | extern struct frame *updating_frame; |
dc6f92b8 | 140 | |
0134a210 RS |
141 | /* This is a frame waiting to be autoraised, within XTread_socket. */ |
142 | struct frame *pending_autoraise_frame; | |
143 | ||
7f9c7f94 RS |
144 | #ifdef USE_X_TOOLKIT |
145 | /* The application context for Xt use. */ | |
146 | XtAppContext Xt_app_con; | |
665881ad RS |
147 | |
148 | static String Xt_default_resources[] = | |
149 | { | |
150 | 0 | |
151 | }; | |
7f9c7f94 RS |
152 | #endif |
153 | ||
dc6f92b8 JB |
154 | /* During an update, maximum vpos for ins/del line operations to affect. */ |
155 | ||
156 | static int flexlines; | |
157 | ||
158 | /* During an update, nonzero if chars output now should be highlighted. */ | |
159 | ||
160 | static int highlight; | |
161 | ||
162 | /* Nominal cursor position -- where to draw output. | |
163 | During an update, these are different from the cursor-box position. */ | |
164 | ||
165 | static int curs_x; | |
166 | static int curs_y; | |
167 | ||
69388238 RS |
168 | /* Mouse movement. |
169 | ||
170 | In order to avoid asking for motion events and then throwing most | |
171 | of them away or busy-polling the server for mouse positions, we ask | |
172 | the server for pointer motion hints. This means that we get only | |
173 | one event per group of mouse movements. "Groups" are delimited by | |
174 | other kinds of events (focus changes and button clicks, for | |
175 | example), or by XQueryPointer calls; when one of these happens, we | |
176 | get another MotionNotify event the next time the mouse moves. This | |
177 | is at least as efficient as getting motion events when mouse | |
178 | tracking is on, and I suspect only negligibly worse when tracking | |
179 | is off. | |
180 | ||
181 | The silly O'Reilly & Associates Nutshell guides barely document | |
182 | pointer motion hints at all (I think you have to infer how they | |
183 | work from an example), and the description of XQueryPointer doesn't | |
184 | mention that calling it causes you to get another motion hint from | |
185 | the server, which is very important. */ | |
186 | ||
187 | /* Where the mouse was last time we reported a mouse event. */ | |
188 | static FRAME_PTR last_mouse_frame; | |
189 | static XRectangle last_mouse_glyph; | |
190 | ||
191 | /* The scroll bar in which the last X motion event occurred. | |
192 | ||
193 | If the last X motion event occurred in a scroll bar, we set this | |
194 | so XTmouse_position can know whether to report a scroll bar motion or | |
195 | an ordinary motion. | |
196 | ||
197 | If the last X motion event didn't occur in a scroll bar, we set this | |
198 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
199 | static Lisp_Object last_mouse_scroll_bar; | |
200 | ||
69388238 RS |
201 | /* This is a hack. We would really prefer that XTmouse_position would |
202 | return the time associated with the position it returns, but there | |
203 | doesn't seem to be any way to wrest the timestamp from the server | |
204 | along with the position query. So, we just keep track of the time | |
205 | of the last movement we received, and return that in hopes that | |
206 | it's somewhat accurate. */ | |
207 | static Time last_mouse_movement_time; | |
208 | ||
c0a04927 RS |
209 | /* Incremented by XTread_socket whenever it really tries to read events. */ |
210 | #ifdef __STDC__ | |
211 | static int volatile input_signal_count; | |
212 | #else | |
213 | static int input_signal_count; | |
214 | #endif | |
215 | ||
7a13e894 RS |
216 | /* Used locally within XTread_socket. */ |
217 | static int x_noop_count; | |
dc6f92b8 | 218 | |
7a13e894 RS |
219 | /* Initial values of argv and argc. */ |
220 | extern char **initial_argv; | |
221 | extern int initial_argc; | |
dc6f92b8 | 222 | |
7a13e894 | 223 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
dc6f92b8 | 224 | |
7a13e894 RS |
225 | /* Tells if a window manager is present or not. */ |
226 | ||
227 | extern Lisp_Object Vx_no_window_manager; | |
dc6f92b8 JB |
228 | |
229 | /* Nonzero enables some debugging for the X interface code. */ | |
230 | extern int _Xdebug; | |
231 | ||
c2df547c | 232 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 233 | |
dc6f92b8 JB |
234 | extern int errno; |
235 | ||
dfeccd2d | 236 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
237 | extern int extra_keyboard_modifiers; |
238 | ||
59e755be KH |
239 | static Lisp_Object Qvendor_specific_keysyms; |
240 | ||
334208b7 | 241 | extern XrmDatabase x_load_resources (); |
dc6f92b8 | 242 | |
c32cdd9a KH |
243 | extern Lisp_Object x_icon_type (); |
244 | ||
7a13e894 RS |
245 | void x_delete_display (); |
246 | ||
c83febd7 | 247 | static void redraw_previous_char (); |
0cdd0c9f | 248 | static void redraw_following_char (); |
3afe33e7 | 249 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 250 | |
55836b73 | 251 | static int fast_find_position (); |
b8009dd1 RS |
252 | static void note_mouse_highlight (); |
253 | static void clear_mouse_face (); | |
254 | static void show_mouse_face (); | |
58769bee | 255 | static void do_line_dance (); |
b8009dd1 | 256 | |
4746118a JB |
257 | static int XTcursor_to (); |
258 | static int XTclear_end_of_line (); | |
7a13e894 | 259 | static int x_io_error_quitter (); |
2d7fc7e8 RS |
260 | void x_catch_errors (); |
261 | void x_uncatch_errors (); | |
334208b7 | 262 | \f |
9382638d KH |
263 | #if 0 |
264 | /* This is a function useful for recording debugging information | |
265 | about the sequence of occurrences in this file. */ | |
266 | ||
267 | struct record | |
268 | { | |
269 | char *locus; | |
270 | int type; | |
271 | }; | |
272 | ||
273 | struct record event_record[100]; | |
274 | ||
275 | int event_record_index; | |
276 | ||
277 | record_event (locus, type) | |
278 | char *locus; | |
279 | int type; | |
280 | { | |
281 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
282 | event_record_index = 0; | |
283 | ||
284 | event_record[event_record_index].locus = locus; | |
285 | event_record[event_record_index].type = type; | |
286 | event_record_index++; | |
287 | } | |
288 | ||
289 | #endif /* 0 */ | |
290 | \f | |
334208b7 RS |
291 | /* Return the struct x_display_info corresponding to DPY. */ |
292 | ||
293 | struct x_display_info * | |
294 | x_display_info_for_display (dpy) | |
295 | Display *dpy; | |
296 | { | |
297 | struct x_display_info *dpyinfo; | |
298 | ||
299 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
300 | if (dpyinfo->display == dpy) | |
301 | return dpyinfo; | |
16bd92ea | 302 | |
334208b7 RS |
303 | return 0; |
304 | } | |
16bd92ea | 305 | \f |
58769bee | 306 | /* Starting and ending updates. |
f451eb13 JB |
307 | |
308 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
309 | of a frame update. We record in `updating_frame' the identity |
310 | of the frame being updated, so that the XT... functions do not | |
311 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 312 | should never be called except during an update, the only exceptions |
c83febd7 | 313 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 | 314 | |
dc6f92b8 | 315 | static |
f676886a JB |
316 | XTupdate_begin (f) |
317 | struct frame *f; | |
58769bee | 318 | { |
dc6f92b8 JB |
319 | int mask; |
320 | ||
f676886a | 321 | if (f == 0) |
dc6f92b8 JB |
322 | abort (); |
323 | ||
f676886a | 324 | flexlines = f->height; |
dc6f92b8 JB |
325 | highlight = 0; |
326 | ||
dc6f92b8 | 327 | BLOCK_INPUT; |
b8009dd1 | 328 | |
7a13e894 | 329 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
b8009dd1 | 330 | { |
514e4681 | 331 | /* Don't do highlighting for mouse motion during the update. */ |
7a13e894 | 332 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 1; |
37c2c98b RS |
333 | |
334 | /* If the frame needs to be redrawn, | |
335 | simply forget about any prior mouse highlighting. */ | |
9f67f20b | 336 | if (FRAME_GARBAGED_P (f)) |
37c2c98b RS |
337 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = Qnil; |
338 | ||
7a13e894 | 339 | if (!NILP (FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) |
514e4681 RS |
340 | { |
341 | int firstline, lastline, i; | |
7a13e894 | 342 | struct window *w = XWINDOW (FRAME_X_DISPLAY_INFO (f)->mouse_face_window); |
514e4681 RS |
343 | |
344 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
345 | for (firstline = 0; firstline < f->height; firstline++) | |
346 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
347 | break; | |
348 | ||
349 | lastline = f->height; | |
350 | for (i = f->height - 1; i >= 0; i--) | |
351 | { | |
352 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
353 | break; | |
354 | else | |
355 | lastline = i; | |
356 | } | |
357 | ||
358 | /* Can we tell that this update does not affect the window | |
37c2c98b RS |
359 | where the mouse highlight is? If so, no need to turn off. |
360 | Likewise, don't do anything if the frame is garbaged; | |
361 | in that case, the FRAME_CURRENT_GLYPHS that we would use | |
362 | are all wrong, and we will redisplay that line anyway. */ | |
514e4681 RS |
363 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) |
364 | || lastline < XFASTINT (w->top))) | |
7a13e894 | 365 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
514e4681 | 366 | } |
b8009dd1 | 367 | } |
6ccf47d1 | 368 | |
dc6f92b8 JB |
369 | UNBLOCK_INPUT; |
370 | } | |
371 | ||
dc6f92b8 | 372 | static |
f676886a JB |
373 | XTupdate_end (f) |
374 | struct frame *f; | |
58769bee | 375 | { |
dc6f92b8 JB |
376 | int mask; |
377 | ||
dc6f92b8 | 378 | BLOCK_INPUT; |
dc6f92b8 | 379 | |
58769bee | 380 | do_line_dance (); |
f676886a | 381 | x_display_cursor (f, 1); |
dc6f92b8 | 382 | |
7a13e894 RS |
383 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
384 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
b8009dd1 RS |
385 | #if 0 |
386 | /* This fails in the case of having updated only the echo area | |
387 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
388 | has no relation to the current contents, and its charstarts | |
389 | have no relation to the contents of the window-buffer. | |
390 | I don't know a clean way to check | |
391 | for that case. window_end_valid isn't set up yet. */ | |
7a13e894 RS |
392 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
393 | note_mouse_highlight (f, FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
394 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
b8009dd1 RS |
395 | #endif |
396 | ||
334208b7 | 397 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
398 | UNBLOCK_INPUT; |
399 | } | |
b8009dd1 | 400 | |
514e4681 | 401 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
402 | |
403 | static | |
404 | XTframe_up_to_date (f) | |
405 | FRAME_PTR f; | |
406 | { | |
cbe24f60 | 407 | BLOCK_INPUT; |
7a13e894 RS |
408 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc |
409 | || f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) | |
514e4681 | 410 | { |
7a13e894 RS |
411 | note_mouse_highlight (FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame, |
412 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
413 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
414 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0; | |
514e4681 | 415 | } |
cbe24f60 | 416 | UNBLOCK_INPUT; |
b8009dd1 | 417 | } |
dc6f92b8 JB |
418 | \f |
419 | /* External interface to control of standout mode. | |
420 | Call this when about to modify line at position VPOS | |
421 | and not change whether it is highlighted. */ | |
422 | ||
423 | XTreassert_line_highlight (new, vpos) | |
424 | int new, vpos; | |
425 | { | |
426 | highlight = new; | |
427 | } | |
428 | ||
429 | /* Call this when about to modify line at position VPOS | |
430 | and change whether it is highlighted. */ | |
431 | ||
432 | static | |
433 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
434 | int new_highlight, vpos, first_unused_hpos; | |
435 | { | |
436 | highlight = new_highlight; | |
437 | XTcursor_to (vpos, 0); | |
f676886a | 438 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
439 | } |
440 | ||
441 | /* This is used when starting Emacs and when restarting after suspend. | |
442 | When starting Emacs, no X window is mapped. And nothing must be done | |
443 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
444 | ||
445 | static | |
446 | XTset_terminal_modes () | |
447 | { | |
448 | } | |
449 | ||
450 | /* This is called when exiting or suspending Emacs. | |
451 | Exiting will make the X-windows go away, and suspending | |
452 | requires no action. */ | |
453 | ||
454 | static | |
455 | XTreset_terminal_modes () | |
456 | { | |
f676886a | 457 | /* XTclear_frame (); */ |
dc6f92b8 JB |
458 | } |
459 | \f | |
f451eb13 JB |
460 | /* Set the nominal cursor position of the frame. |
461 | This is where display update commands will take effect. | |
dc6f92b8 JB |
462 | This does not affect the place where the cursor-box is displayed. */ |
463 | ||
4746118a | 464 | static int |
dc6f92b8 JB |
465 | XTcursor_to (row, col) |
466 | register int row, col; | |
467 | { | |
468 | int mask; | |
469 | int orow = row; | |
470 | ||
471 | curs_x = col; | |
472 | curs_y = row; | |
473 | ||
f676886a | 474 | if (updating_frame == 0) |
dc6f92b8 JB |
475 | { |
476 | BLOCK_INPUT; | |
f676886a | 477 | x_display_cursor (selected_frame, 1); |
334208b7 | 478 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
479 | UNBLOCK_INPUT; |
480 | } | |
481 | } | |
482 | \f | |
483 | /* Display a sequence of N glyphs found at GP. | |
484 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
485 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
486 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
487 | JUST_FOREGROUND if 1 means draw only the foreground; |
488 | don't alter the background. | |
dc6f92b8 | 489 | |
07e34cb0 | 490 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 491 | |
07e34cb0 JB |
492 | Since the display generation code is responsible for calling |
493 | compute_char_face and compute_glyph_face on everything it puts in | |
494 | the display structure, we can assume that the face code on each | |
28f72798 | 495 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
496 | to which we can actually apply intern_face. |
497 | Call this function with input blocked. */ | |
dc6f92b8 | 498 | |
07e34cb0 JB |
499 | #if 1 |
500 | /* This is the multi-face code. */ | |
dc6f92b8 | 501 | |
dc6f92b8 | 502 | static void |
0cdd0c9f | 503 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 504 | struct frame *f; |
dc6f92b8 JB |
505 | int left, top; |
506 | register GLYPH *gp; /* Points to first GLYPH. */ | |
507 | register int n; /* Number of glyphs to display. */ | |
508 | int hl; | |
0cdd0c9f | 509 | int just_foreground; |
dc6f92b8 | 510 | { |
07e34cb0 JB |
511 | /* Holds characters to be displayed. */ |
512 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
513 | register char *cp; /* Steps through buf[]. */ |
514 | register int tlen = GLYPH_TABLE_LENGTH; | |
515 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 516 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 517 | int orig_left = left; |
dc6f92b8 | 518 | |
07e34cb0 | 519 | while (n > 0) |
dc6f92b8 JB |
520 | { |
521 | /* Get the face-code of the next GLYPH. */ | |
522 | int cf, len; | |
523 | int g = *gp; | |
524 | ||
07e34cb0 | 525 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 526 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
527 | |
528 | /* Find the run of consecutive glyphs with the same face-code. | |
529 | Extract their character codes into BUF. */ | |
530 | cp = buf; | |
531 | while (n > 0) | |
532 | { | |
533 | g = *gp; | |
07e34cb0 | 534 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 535 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
536 | break; |
537 | ||
6f63ba79 | 538 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
539 | --n; |
540 | ++gp; | |
541 | } | |
542 | ||
543 | /* LEN gets the length of the run. */ | |
544 | len = cp - buf; | |
545 | ||
546 | /* Now output this run of chars, with the font and pixel values | |
547 | determined by the face code CF. */ | |
07e34cb0 JB |
548 | { |
549 | struct face *face = FRAME_DEFAULT_FACE (f); | |
334208b7 | 550 | XFontStruct *font = FACE_FONT (face); |
07e34cb0 | 551 | GC gc = FACE_GC (face); |
990ba854 | 552 | int stippled = 0; |
07e34cb0 | 553 | |
b8009dd1 RS |
554 | /* HL = 3 means use a mouse face previously chosen. */ |
555 | if (hl == 3) | |
7a13e894 | 556 | cf = FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id; |
b8009dd1 | 557 | |
b73b6aaf RS |
558 | /* First look at the face of the text itself. */ |
559 | if (cf != 0) | |
07e34cb0 | 560 | { |
a07d4bc5 RS |
561 | /* It's possible for the display table to specify |
562 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
563 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
564 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 565 | cf = 0; |
07e34cb0 JB |
566 | |
567 | if (cf == 1) | |
568 | face = FRAME_MODE_LINE_FACE (f); | |
569 | else | |
28f72798 | 570 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
571 | font = FACE_FONT (face); |
572 | gc = FACE_GC (face); | |
990ba854 RS |
573 | if (FACE_STIPPLE (face)) |
574 | stippled = 1; | |
07e34cb0 | 575 | } |
4a4dc352 JB |
576 | |
577 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
578 | else if (hl == 0) |
579 | ; | |
580 | else if (hl == 1) | |
581 | { | |
582 | face = FRAME_MODE_LINE_FACE (f); | |
583 | font = FACE_FONT (face); | |
584 | gc = FACE_GC (face); | |
990ba854 RS |
585 | if (FACE_STIPPLE (face)) |
586 | stippled = 1; | |
b73b6aaf RS |
587 | } |
588 | ||
589 | #define FACE_DEFAULT (~0) | |
590 | ||
591 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 592 | if (hl == 2) |
b73b6aaf | 593 | { |
990ba854 RS |
594 | /* The cursor overrides stippling. */ |
595 | stippled = 0; | |
596 | ||
11dd3d61 | 597 | if ((!face->font |
16f60add | 598 | || face->font == (XFontStruct *) FACE_DEFAULT |
7556890b RS |
599 | || face->font == f->output_data.x->font) |
600 | && face->background == f->output_data.x->background_pixel | |
601 | && face->foreground == f->output_data.x->foreground_pixel) | |
b5cf7a0e | 602 | { |
7556890b | 603 | gc = f->output_data.x->cursor_gc; |
b5cf7a0e JB |
604 | } |
605 | /* Cursor on non-default face: must merge. */ | |
606 | else | |
607 | { | |
608 | XGCValues xgcv; | |
609 | unsigned long mask; | |
610 | ||
7556890b | 611 | xgcv.background = f->output_data.x->cursor_pixel; |
11dd3d61 | 612 | xgcv.foreground = face->background; |
df5a440b RS |
613 | /* If the glyph would be invisible, |
614 | try a different foreground. */ | |
615 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 616 | xgcv.foreground = face->foreground; |
df5a440b | 617 | if (xgcv.foreground == xgcv.background) |
7556890b | 618 | xgcv.foreground = f->output_data.x->cursor_foreground_pixel; |
df5a440b RS |
619 | if (xgcv.foreground == xgcv.background) |
620 | xgcv.foreground = face->foreground; | |
621 | /* Make sure the cursor is distinct from text in this face. */ | |
622 | if (xgcv.background == face->background | |
623 | && xgcv.foreground == face->foreground) | |
624 | { | |
625 | xgcv.background = face->foreground; | |
626 | xgcv.foreground = face->background; | |
627 | } | |
b5cf7a0e JB |
628 | xgcv.font = face->font->fid; |
629 | xgcv.graphics_exposures = 0; | |
630 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
7a13e894 RS |
631 | if (FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc) |
632 | XChangeGC (FRAME_X_DISPLAY (f), | |
633 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc, | |
634 | mask, &xgcv); | |
11dd3d61 | 635 | else |
7a13e894 | 636 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc |
334208b7 | 637 | = XCreateGC (FRAME_X_DISPLAY (f), window, mask, &xgcv); |
7a13e894 | 638 | gc = FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc; |
b73b6aaf | 639 | #if 0 |
11dd3d61 RS |
640 | /* If this code is restored, it must also reset to the default stipple |
641 | if necessary. */ | |
b5cf7a0e | 642 | if (face->stipple && face->stipple != FACE_DEFAULT) |
334208b7 | 643 | XSetStipple (FRAME_X_DISPLAY (f), gc, face->stipple); |
b73b6aaf | 644 | #endif |
b5cf7a0e | 645 | } |
07e34cb0 | 646 | } |
07e34cb0 | 647 | |
16f60add | 648 | if (font == (XFontStruct *) FACE_DEFAULT) |
7556890b | 649 | font = f->output_data.x->font; |
b5cf7a0e | 650 | |
0cdd0c9f | 651 | if (just_foreground) |
334208b7 | 652 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
0cdd0c9f RS |
653 | left, top + FONT_BASE (font), buf, len); |
654 | else | |
655 | { | |
990ba854 RS |
656 | if (stippled) |
657 | { | |
658 | /* Turn stipple on. */ | |
659 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillOpaqueStippled); | |
660 | ||
661 | /* Draw stipple on background. */ | |
334208b7 | 662 | XFillRectangle (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
663 | left, top, |
664 | FONT_WIDTH (font) * len, | |
665 | FONT_HEIGHT (font)); | |
666 | ||
667 | /* Turn stipple off. */ | |
668 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillSolid); | |
669 | ||
670 | /* Draw the text, solidly, onto the stipple pattern. */ | |
334208b7 | 671 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
672 | left, top + FONT_BASE (font), buf, len); |
673 | } | |
674 | else | |
334208b7 | 675 | XDrawImageString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
676 | left, top + FONT_BASE (font), buf, len); |
677 | ||
0cdd0c9f | 678 | /* Clear the rest of the line's height. */ |
7556890b | 679 | if (f->output_data.x->line_height != FONT_HEIGHT (font)) |
334208b7 | 680 | XClearArea (FRAME_X_DISPLAY (f), window, left, |
0cdd0c9f RS |
681 | top + FONT_HEIGHT (font), |
682 | FONT_WIDTH (font) * len, | |
683 | /* This is how many pixels of height | |
684 | we have to clear. */ | |
7556890b | 685 | f->output_data.x->line_height - FONT_HEIGHT (font), |
0cdd0c9f RS |
686 | False); |
687 | } | |
688 | ||
689 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
690 | which often is not up to date yet. */ | |
691 | if (!just_foreground) | |
692 | { | |
693 | if (left == orig_left) | |
694 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
695 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
696 | if (n == 0) | |
697 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
698 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
699 | } | |
700 | #endif | |
07e34cb0 JB |
701 | |
702 | /* We should probably check for XA_UNDERLINE_POSITION and | |
703 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
704 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 705 | { |
4a4dc352 | 706 | int underline_position = 1; |
07e34cb0 | 707 | |
4a4dc352 JB |
708 | if (font->descent <= underline_position) |
709 | underline_position = font->descent - 1; | |
07e34cb0 JB |
710 | |
711 | if (face->underline) | |
334208b7 | 712 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
07e34cb0 JB |
713 | FACE_GC (face), |
714 | left, (top | |
715 | + FONT_BASE (font) | |
716 | + underline_position), | |
717 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 718 | } |
07e34cb0 JB |
719 | |
720 | left += len * FONT_WIDTH (font); | |
721 | } | |
dc6f92b8 JB |
722 | } |
723 | } | |
07e34cb0 JB |
724 | #endif /* 1 */ |
725 | ||
726 | #if 0 | |
727 | /* This is the old single-face code. */ | |
728 | ||
729 | static void | |
730 | dumpglyphs (f, left, top, gp, n, hl, font) | |
731 | struct frame *f; | |
732 | int left, top; | |
733 | register GLYPH *gp; /* Points to first GLYPH. */ | |
734 | register int n; /* Number of glyphs to display. */ | |
735 | int hl; | |
334208b7 | 736 | XFontStruct *font; |
07e34cb0 JB |
737 | { |
738 | register int len; | |
739 | Window window = FRAME_X_WINDOW (f); | |
7556890b RS |
740 | GC drawing_gc = (hl == 2 ? f->output_data.x->cursor_gc |
741 | : (hl ? f->output_data.x->reverse_gc | |
742 | : f->output_data.x->normal_gc)); | |
07e34cb0 JB |
743 | |
744 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
334208b7 | 745 | XDrawImageString16 (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
746 | left, top + FONT_BASE (font), (XChar2b *) gp, n); |
747 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
334208b7 | 748 | XDrawImageString (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
749 | left, top + FONT_BASE (font), (char *) gp, n); |
750 | else | |
751 | /* What size of glyph ARE you using? And does X have a function to | |
752 | draw them? */ | |
753 | abort (); | |
754 | } | |
755 | #endif | |
dc6f92b8 | 756 | \f |
f451eb13 JB |
757 | /* Output some text at the nominal frame cursor position. |
758 | Advance the cursor over the text. | |
dc6f92b8 JB |
759 | Output LEN glyphs at START. |
760 | ||
761 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
762 | controls the pixel values used for foreground and background. */ | |
763 | ||
764 | static | |
765 | XTwrite_glyphs (start, len) | |
766 | register GLYPH *start; | |
767 | int len; | |
768 | { | |
769 | register int temp_length; | |
770 | int mask; | |
f676886a | 771 | struct frame *f; |
dc6f92b8 JB |
772 | |
773 | BLOCK_INPUT; | |
774 | ||
58769bee | 775 | do_line_dance (); |
f676886a JB |
776 | f = updating_frame; |
777 | if (f == 0) | |
dc6f92b8 | 778 | { |
f676886a | 779 | f = selected_frame; |
dc6f92b8 | 780 | /* If not within an update, |
f676886a JB |
781 | output at the frame's visible cursor. */ |
782 | curs_x = f->cursor_x; | |
783 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
784 | } |
785 | ||
f676886a | 786 | dumpglyphs (f, |
12ba150f JB |
787 | CHAR_TO_PIXEL_COL (f, curs_x), |
788 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 789 | start, len, highlight, 0); |
90e65f07 JB |
790 | |
791 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
792 | if (curs_y == f->phys_cursor_y |
793 | && curs_x <= f->phys_cursor_x | |
794 | && curs_x + len > f->phys_cursor_x) | |
795 | f->phys_cursor_x = -1; | |
58769bee | 796 | |
f676886a | 797 | if (updating_frame == 0) |
dc6f92b8 | 798 | { |
f676886a JB |
799 | f->cursor_x += len; |
800 | x_display_cursor (f, 1); | |
801 | f->cursor_x -= len; | |
dc6f92b8 JB |
802 | } |
803 | else | |
804 | curs_x += len; | |
805 | ||
806 | UNBLOCK_INPUT; | |
807 | } | |
808 | \f | |
f451eb13 JB |
809 | /* Clear to the end of the line. |
810 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
811 | to column FIRST_UNUSED (exclusive). The idea is that everything |
812 | from FIRST_UNUSED onward is already erased. */ | |
58769bee | 813 | |
c32cdd9a | 814 | static |
dc6f92b8 JB |
815 | XTclear_end_of_line (first_unused) |
816 | register int first_unused; | |
817 | { | |
f676886a | 818 | struct frame *f = updating_frame; |
dc6f92b8 JB |
819 | int mask; |
820 | ||
f676886a | 821 | if (f == 0) |
dc6f92b8 JB |
822 | abort (); |
823 | ||
f676886a | 824 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
825 | return; |
826 | if (first_unused <= 0) | |
827 | return; | |
828 | ||
f676886a JB |
829 | if (first_unused >= f->width) |
830 | first_unused = f->width; | |
dc6f92b8 JB |
831 | |
832 | BLOCK_INPUT; | |
833 | ||
b30ec466 KH |
834 | do_line_dance (); |
835 | ||
90e65f07 | 836 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
837 | if (curs_y == f->phys_cursor_y |
838 | && curs_x <= f->phys_cursor_x | |
839 | && f->phys_cursor_x < first_unused) | |
840 | f->phys_cursor_x = -1; | |
dc6f92b8 | 841 | |
334208b7 | 842 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
12ba150f JB |
843 | CHAR_TO_PIXEL_COL (f, curs_x), |
844 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
7556890b RS |
845 | FONT_WIDTH (f->output_data.x->font) * (first_unused - curs_x), |
846 | f->output_data.x->line_height, False); | |
c83febd7 | 847 | #if 0 |
0cdd0c9f | 848 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 849 | #endif |
dc6f92b8 JB |
850 | |
851 | UNBLOCK_INPUT; | |
852 | } | |
853 | ||
0cdd0c9f RS |
854 | static |
855 | XTclear_frame () | |
856 | { | |
857 | int mask; | |
858 | struct frame *f = updating_frame; | |
859 | ||
860 | if (f == 0) | |
861 | f = selected_frame; | |
862 | ||
863 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
864 | curs_x = 0; /* Nominal cursor position is top left. */ | |
865 | curs_y = 0; | |
58769bee | 866 | |
0cdd0c9f RS |
867 | BLOCK_INPUT; |
868 | ||
334208b7 | 869 | XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0cdd0c9f RS |
870 | |
871 | /* We have to clear the scroll bars, too. If we have changed | |
872 | colors or something like that, then they should be notified. */ | |
873 | x_scroll_bar_clear (f); | |
874 | ||
334208b7 | 875 | XFlush (FRAME_X_DISPLAY (f)); |
0cdd0c9f RS |
876 | UNBLOCK_INPUT; |
877 | } | |
878 | \f | |
879 | #if 0 | |
880 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
881 | always contain the right glyphs to use. | |
882 | ||
883 | It also needs to be changed to look at the details of the font and | |
884 | see whether there is really overlap, and do nothing when there is | |
885 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
886 | but just how to use them is not clear. */ | |
887 | ||
c83febd7 RS |
888 | /* Erase the character (if any) at the position just before X, Y in frame F, |
889 | then redraw it and the character before it. | |
890 | This is necessary when we erase starting at X, | |
f94397b5 KH |
891 | in case the character after X overlaps into the one before X. |
892 | Call this function with input blocked. */ | |
c83febd7 RS |
893 | |
894 | static void | |
0cdd0c9f | 895 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
896 | FRAME_PTR f; |
897 | int x, y; | |
0cdd0c9f | 898 | int highlight_flag; |
c83febd7 RS |
899 | { |
900 | /* Erase the character before the new ones, in case | |
901 | what was here before overlaps it. | |
902 | Reoutput that character, and the previous character | |
903 | (in case the previous character overlaps it). */ | |
904 | if (x > 0) | |
905 | { | |
906 | int start_x = x - 2; | |
907 | if (start_x < 0) | |
908 | start_x = 0; | |
334208b7 | 909 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
c83febd7 RS |
910 | CHAR_TO_PIXEL_COL (f, x - 1), |
911 | CHAR_TO_PIXEL_ROW (f, y), | |
7556890b RS |
912 | FONT_WIDTH (f->output_data.x->font), |
913 | f->output_data.x->line_height, False); | |
c83febd7 RS |
914 | |
915 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
916 | CHAR_TO_PIXEL_ROW (f, y), | |
917 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 918 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
919 | } |
920 | } | |
921 | ||
0cdd0c9f RS |
922 | /* Erase the character (if any) at the position X, Y in frame F, |
923 | then redraw it and the character after it. | |
924 | This is necessary when we erase endng at X, | |
925 | in case the character after X overlaps into the one before X. | |
926 | Call this function with input blocked. */ | |
927 | ||
928 | static void | |
929 | redraw_following_char (f, x, y, highlight_flag) | |
930 | FRAME_PTR f; | |
931 | int x, y; | |
932 | int highlight_flag; | |
dc6f92b8 | 933 | { |
0cdd0c9f RS |
934 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
935 | /* Erase the character after the new ones, in case | |
936 | what was here before overlaps it. | |
937 | Reoutput that character, and the following character | |
938 | (in case the following character overlaps it). */ | |
939 | if (x < limit | |
940 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
941 | { | |
942 | int end_x = x + 2; | |
943 | if (end_x > limit) | |
944 | end_x = limit; | |
334208b7 | 945 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
946 | CHAR_TO_PIXEL_COL (f, x), |
947 | CHAR_TO_PIXEL_ROW (f, y), | |
7556890b RS |
948 | FONT_WIDTH (f->output_data.x->font), |
949 | f->output_data.x->line_height, False); | |
dc6f92b8 | 950 | |
0cdd0c9f RS |
951 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
952 | CHAR_TO_PIXEL_ROW (f, y), | |
953 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
954 | end_x - x, highlight_flag, 1); | |
955 | } | |
956 | } | |
957 | #endif /* 0 */ | |
958 | \f | |
959 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 960 | |
0cdd0c9f | 961 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 962 | |
0cdd0c9f RS |
963 | static int |
964 | font_char_overlap_left (font, c) | |
965 | XFontStruct *font; | |
966 | int c; | |
967 | { | |
968 | XCharStruct *s; | |
dbc4e1c1 | 969 | |
0cdd0c9f RS |
970 | /* Find the bounding-box info for C. */ |
971 | if (font->per_char == 0) | |
972 | s = &font->max_bounds; | |
973 | else | |
974 | { | |
975 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
976 | int row, within; | |
58769bee | 977 | |
0cdd0c9f RS |
978 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
979 | row = c >> 8; | |
980 | within = c & 0177; | |
981 | if (!(within >= font->min_char_or_byte2 | |
982 | && within <= font->max_char_or_byte2 | |
983 | && row >= font->min_byte1 | |
984 | && row <= font->max_byte1)) | |
985 | { | |
986 | /* If char is out of range, try the font's default char instead. */ | |
987 | c = font->default_char; | |
68be917d | 988 | row = c >> (BITS_PER_INT - 8); |
0cdd0c9f RS |
989 | within = c & 0177; |
990 | } | |
991 | if (!(within >= font->min_char_or_byte2 | |
992 | && within <= font->max_char_or_byte2 | |
993 | && row >= font->min_byte1 | |
994 | && row <= font->max_byte1)) | |
995 | /* Still out of range means this char does not overlap. */ | |
996 | return 0; | |
997 | else | |
998 | /* We found the info for this char. */ | |
999 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1000 | + row * rowlen); | |
1001 | } | |
dbc4e1c1 | 1002 | |
0cdd0c9f RS |
1003 | return (s && s->lbearing < 0); |
1004 | } | |
dbc4e1c1 | 1005 | |
0cdd0c9f RS |
1006 | /* Return 1 if character C in font F extends past its right edge. */ |
1007 | ||
1008 | static int | |
1009 | font_char_overlap_right (font, c) | |
1010 | XFontStruct *font; | |
1011 | int c; | |
1012 | { | |
1013 | XCharStruct *s; | |
1014 | ||
1015 | /* Find the bounding-box info for C. */ | |
1016 | if (font->per_char == 0) | |
1017 | s = &font->max_bounds; | |
1018 | else | |
1019 | { | |
1020 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1021 | int row, within; | |
58769bee | 1022 | |
0cdd0c9f RS |
1023 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
1024 | row = c >> 8; | |
1025 | within = c & 0177; | |
1026 | if (!(within >= font->min_char_or_byte2 | |
1027 | && within <= font->max_char_or_byte2 | |
1028 | && row >= font->min_byte1 | |
1029 | && row <= font->max_byte1)) | |
1030 | { | |
1031 | /* If char is out of range, try the font's default char instead. */ | |
1032 | c = font->default_char; | |
68be917d | 1033 | row = c >> (BITS_PER_INT - 8); |
0cdd0c9f RS |
1034 | within = c & 0177; |
1035 | } | |
1036 | if (!(within >= font->min_char_or_byte2 | |
1037 | && within <= font->max_char_or_byte2 | |
1038 | && row >= font->min_byte1 | |
1039 | && row <= font->max_byte1)) | |
1040 | /* Still out of range means this char does not overlap. */ | |
1041 | return 0; | |
1042 | else | |
1043 | /* We found the info for this char. */ | |
1044 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1045 | + row * rowlen); | |
1046 | } | |
1047 | ||
1048 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1049 | } |
0cdd0c9f | 1050 | #endif /* 0 */ |
dc6f92b8 | 1051 | \f |
dbc4e1c1 JB |
1052 | /* Invert the middle quarter of the frame for .15 sec. */ |
1053 | ||
1054 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1055 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1056 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1057 | ||
1058 | /* Subtract the `struct timeval' values X and Y, | |
1059 | storing the result in RESULT. | |
1060 | Return 1 if the difference is negative, otherwise 0. */ | |
1061 | ||
1062 | static int | |
1063 | timeval_subtract (result, x, y) | |
1064 | struct timeval *result, x, y; | |
1065 | { | |
1066 | /* Perform the carry for the later subtraction by updating y. | |
1067 | This is safer because on some systems | |
1068 | the tv_sec member is unsigned. */ | |
1069 | if (x.tv_usec < y.tv_usec) | |
1070 | { | |
1071 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1072 | y.tv_usec -= 1000000 * nsec; | |
1073 | y.tv_sec += nsec; | |
1074 | } | |
1075 | if (x.tv_usec - y.tv_usec > 1000000) | |
1076 | { | |
1077 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1078 | y.tv_usec += 1000000 * nsec; | |
1079 | y.tv_sec -= nsec; | |
1080 | } | |
1081 | ||
1082 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1083 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1084 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1085 | ||
1086 | /* Return indication of whether the result should be considered negative. */ | |
1087 | return x.tv_sec < y.tv_sec; | |
1088 | } | |
dc6f92b8 | 1089 | |
f676886a JB |
1090 | XTflash (f) |
1091 | struct frame *f; | |
dc6f92b8 | 1092 | { |
dbc4e1c1 | 1093 | BLOCK_INPUT; |
dc6f92b8 | 1094 | |
dbc4e1c1 JB |
1095 | { |
1096 | GC gc; | |
dc6f92b8 | 1097 | |
dbc4e1c1 JB |
1098 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1099 | into background pixels. */ | |
1100 | { | |
1101 | XGCValues values; | |
dc6f92b8 | 1102 | |
dbc4e1c1 | 1103 | values.function = GXxor; |
7556890b RS |
1104 | values.foreground = (f->output_data.x->foreground_pixel |
1105 | ^ f->output_data.x->background_pixel); | |
58769bee | 1106 | |
334208b7 | 1107 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
1108 | GCFunction | GCForeground, &values); |
1109 | } | |
dc6f92b8 | 1110 | |
dbc4e1c1 JB |
1111 | { |
1112 | int width = PIXEL_WIDTH (f); | |
1113 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1114 | |
334208b7 | 1115 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1116 | width/4, height/4, width/2, height/2); |
334208b7 | 1117 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 1118 | |
dbc4e1c1 JB |
1119 | { |
1120 | struct timeval wakeup, now; | |
dc6f92b8 | 1121 | |
66c30ea1 | 1122 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1123 | |
dbc4e1c1 JB |
1124 | /* Compute time to wait until, propagating carry from usecs. */ |
1125 | wakeup.tv_usec += 150000; | |
1126 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1127 | wakeup.tv_usec %= 1000000; | |
1128 | ||
1129 | /* Keep waiting until past the time wakeup. */ | |
1130 | while (1) | |
1131 | { | |
1132 | struct timeval timeout; | |
1133 | ||
66c30ea1 | 1134 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1135 | |
1136 | /* In effect, timeout = wakeup - timeout. | |
1137 | Break if result would be negative. */ | |
1138 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1139 | break; | |
1140 | ||
1141 | /* Try to wait that long--but we might wake up sooner. */ | |
c32cdd9a | 1142 | select (0, NULL, NULL, NULL, &timeout); |
dbc4e1c1 JB |
1143 | } |
1144 | } | |
58769bee | 1145 | |
334208b7 | 1146 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1147 | width/4, height/4, width/2, height/2); |
334208b7 RS |
1148 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
1149 | XFlush (FRAME_X_DISPLAY (f)); | |
dc6f92b8 | 1150 | } |
dbc4e1c1 JB |
1151 | } |
1152 | ||
1153 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1154 | } |
1155 | ||
dbc4e1c1 JB |
1156 | #endif |
1157 | ||
1158 | ||
dc6f92b8 JB |
1159 | /* Make audible bell. */ |
1160 | ||
334208b7 | 1161 | #define XRINGBELL XBell (FRAME_X_DISPLAY (selected_frame), 0) |
dc6f92b8 JB |
1162 | |
1163 | XTring_bell () | |
1164 | { | |
334208b7 | 1165 | if (FRAME_X_DISPLAY (selected_frame) == 0) |
5a6ef893 RS |
1166 | return; |
1167 | ||
dbc4e1c1 | 1168 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1169 | if (visible_bell) |
f676886a | 1170 | XTflash (selected_frame); |
dc6f92b8 | 1171 | else |
dbc4e1c1 | 1172 | #endif |
dc6f92b8 JB |
1173 | { |
1174 | BLOCK_INPUT; | |
1175 | XRINGBELL; | |
334208b7 | 1176 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
1177 | UNBLOCK_INPUT; |
1178 | } | |
1179 | } | |
1180 | \f | |
f451eb13 JB |
1181 | /* Insert and delete character. |
1182 | These are not supposed to be used because we are supposed to turn | |
1183 | off the feature of using them. */ | |
dc6f92b8 | 1184 | |
58769bee | 1185 | static |
dc6f92b8 JB |
1186 | XTinsert_glyphs (start, len) |
1187 | register char *start; | |
1188 | register int len; | |
1189 | { | |
1190 | abort (); | |
1191 | } | |
1192 | ||
58769bee | 1193 | static |
dc6f92b8 JB |
1194 | XTdelete_glyphs (n) |
1195 | register int n; | |
1196 | { | |
1197 | abort (); | |
1198 | } | |
1199 | \f | |
1200 | /* Specify how many text lines, from the top of the window, | |
1201 | should be affected by insert-lines and delete-lines operations. | |
1202 | This, and those operations, are used only within an update | |
1203 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1204 | ||
1205 | static | |
1206 | XTset_terminal_window (n) | |
1207 | register int n; | |
1208 | { | |
f676886a | 1209 | if (updating_frame == 0) |
dc6f92b8 JB |
1210 | abort (); |
1211 | ||
f676886a JB |
1212 | if ((n <= 0) || (n > updating_frame->height)) |
1213 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1214 | else |
1215 | flexlines = n; | |
1216 | } | |
1217 | \f | |
7a13e894 RS |
1218 | /* These variables need not be per frame |
1219 | because redisplay is done on a frame-by-frame basis | |
1220 | and the line dance for one frame is finished before | |
1221 | anything is done for anoter frame. */ | |
1222 | ||
58769bee KH |
1223 | /* Array of line numbers from cached insert/delete operations. |
1224 | line_dance[i] is the old position of the line that we want | |
1225 | to move to line i, or -1 if we want a blank line there. */ | |
1226 | static int *line_dance; | |
dc6f92b8 | 1227 | |
58769bee KH |
1228 | /* Allocated length of that array. */ |
1229 | static int line_dance_len; | |
dc6f92b8 | 1230 | |
58769bee KH |
1231 | /* Flag indicating whether we've done any work. */ |
1232 | static int line_dance_in_progress; | |
dc6f92b8 | 1233 | |
58769bee KH |
1234 | /* Perform an insert-lines or delete-lines operation, |
1235 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1236 | XTins_del_lines (vpos, n) | |
1237 | int vpos, n; | |
dc6f92b8 | 1238 | { |
58769bee | 1239 | register int fence, i; |
dc6f92b8 | 1240 | |
58769bee | 1241 | if (vpos >= flexlines) |
dc6f92b8 JB |
1242 | return; |
1243 | ||
58769bee | 1244 | if (!line_dance_in_progress) |
dc6f92b8 | 1245 | { |
58769bee KH |
1246 | int ht = updating_frame->height; |
1247 | if (ht > line_dance_len) | |
1248 | { | |
1249 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); | |
1250 | line_dance_len = ht; | |
1251 | } | |
1252 | for (i = 0; i < ht; ++i) line_dance[i] = i; | |
1253 | line_dance_in_progress = 1; | |
1254 | } | |
1255 | if (n >= 0) | |
1256 | { | |
1257 | if (n > flexlines - vpos) | |
1258 | n = flexlines - vpos; | |
1259 | fence = vpos + n; | |
1260 | for (i = flexlines; --i >= fence;) | |
1261 | line_dance[i] = line_dance[i-n]; | |
1262 | for (i = fence; --i >= vpos;) | |
1263 | line_dance[i] = -1; | |
dc6f92b8 JB |
1264 | } |
1265 | else | |
1266 | { | |
58769bee KH |
1267 | n = -n; |
1268 | if (n > flexlines - vpos) | |
1269 | n = flexlines - vpos; | |
1270 | fence = flexlines - n; | |
1271 | for (i = vpos; i < fence; ++i) | |
1272 | line_dance[i] = line_dance[i + n]; | |
1273 | for (i = fence; i < flexlines; ++i) | |
1274 | line_dance[i] = -1; | |
dc6f92b8 JB |
1275 | } |
1276 | } | |
1277 | ||
58769bee KH |
1278 | /* Here's where we actually move the pixels around. |
1279 | Must be called with input blocked. */ | |
1280 | static void | |
1281 | do_line_dance () | |
dc6f92b8 | 1282 | { |
58769bee KH |
1283 | register int i, j, distance; |
1284 | register struct frame *f; | |
1285 | int ht; | |
1286 | int intborder; | |
1287 | ||
1288 | /* Must check this flag first. If it's not set, then not only is the | |
1289 | array uninitialized, but we might not even have a frame. */ | |
1290 | if (!line_dance_in_progress) | |
1291 | return; | |
1292 | ||
1293 | f = updating_frame; | |
1294 | if (f == 0) | |
dc6f92b8 JB |
1295 | abort (); |
1296 | ||
58769bee | 1297 | ht = f->height; |
7556890b | 1298 | intborder = f->output_data.x->internal_border_width; |
58769bee | 1299 | |
f676886a | 1300 | x_display_cursor (updating_frame, 0); |
dc6f92b8 | 1301 | |
58769bee KH |
1302 | for (i = 0; i < ht; ++i) |
1303 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) | |
1304 | { | |
1305 | for (j = i; (j < ht && line_dance[j] != -1 | |
1306 | && line_dance[j]-j == distance); ++j); | |
1307 | /* Copy [i,j) upward from [i+distance,j+distance) */ | |
334208b7 | 1308 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 1309 | FRAME_X_WINDOW (f), f->output_data.x->normal_gc, |
58769bee | 1310 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), |
7556890b RS |
1311 | f->width * FONT_WIDTH (f->output_data.x->font), |
1312 | (j-i) * f->output_data.x->line_height, | |
58769bee KH |
1313 | intborder, CHAR_TO_PIXEL_ROW (f, i)); |
1314 | i = j-1; | |
1315 | } | |
dc6f92b8 | 1316 | |
58769bee KH |
1317 | for (i = ht; --i >=0; ) |
1318 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) | |
1319 | { | |
1320 | for (j = i; (--j >= 0 && line_dance[j] != -1 | |
0ccf5d73 | 1321 | && line_dance[j]-j == distance);); |
58769bee | 1322 | /* Copy (j,i] downward from (j+distance, i+distance] */ |
334208b7 | 1323 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 1324 | FRAME_X_WINDOW (f), f->output_data.x->normal_gc, |
58769bee | 1325 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), |
7556890b RS |
1326 | f->width * FONT_WIDTH (f->output_data.x->font), |
1327 | (i-j) * f->output_data.x->line_height, | |
58769bee KH |
1328 | intborder, CHAR_TO_PIXEL_ROW (f, j+1)); |
1329 | i = j+1; | |
1330 | } | |
1331 | ||
1332 | for (i = 0; i < ht; ++i) | |
1333 | if (line_dance[i] == -1) | |
1334 | { | |
1335 | for (j = i; j < ht && line_dance[j] == -1; ++j); | |
1336 | /* Clear [i,j) */ | |
334208b7 | 1337 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee | 1338 | intborder, CHAR_TO_PIXEL_ROW (f, i), |
7556890b RS |
1339 | f->width * FONT_WIDTH (f->output_data.x->font), |
1340 | (j-i) * f->output_data.x->line_height, False); | |
58769bee KH |
1341 | i = j-1; |
1342 | } | |
1343 | line_dance_in_progress = 0; | |
dc6f92b8 JB |
1344 | } |
1345 | \f | |
f451eb13 | 1346 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1347 | static void clear_cursor (); |
1348 | ||
f676886a JB |
1349 | /* Output into a rectangle of an X-window (for frame F) |
1350 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1351 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1352 | ROWS and COLS are the size of the rectangle. |
1353 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1354 | |
1355 | static void | |
f676886a JB |
1356 | dumprectangle (f, left, top, cols, rows) |
1357 | struct frame *f; | |
dc6f92b8 JB |
1358 | register int left, top, cols, rows; |
1359 | { | |
f676886a | 1360 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1361 | int cursor_cleared = 0; |
1362 | int bottom, right; | |
1363 | register int y; | |
1364 | ||
f676886a | 1365 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1366 | return; |
1367 | ||
dc6f92b8 JB |
1368 | /* Express rectangle as four edges, instead of position-and-size. */ |
1369 | bottom = top + rows; | |
1370 | right = left + cols; | |
58769bee | 1371 | |
dc6f92b8 JB |
1372 | /* Convert rectangle edges in pixels to edges in chars. |
1373 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1374 | top = PIXEL_TO_CHAR_ROW (f, top); |
1375 | left = PIXEL_TO_CHAR_COL (f, left); | |
7556890b RS |
1376 | bottom += (f->output_data.x->line_height - 1); |
1377 | right += (FONT_WIDTH (f->output_data.x->font) - 1); | |
12ba150f JB |
1378 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1379 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1380 | |
1381 | /* Clip the rectangle to what can be visible. */ | |
1382 | if (left < 0) | |
1383 | left = 0; | |
1384 | if (top < 0) | |
1385 | top = 0; | |
f676886a JB |
1386 | if (right > f->width) |
1387 | right = f->width; | |
1388 | if (bottom > f->height) | |
1389 | bottom = f->height; | |
dc6f92b8 JB |
1390 | |
1391 | /* Get size in chars of the rectangle. */ | |
1392 | cols = right - left; | |
1393 | rows = bottom - top; | |
1394 | ||
1395 | /* If rectangle has zero area, return. */ | |
1396 | if (rows <= 0) return; | |
1397 | if (cols <= 0) return; | |
1398 | ||
1399 | /* Turn off the cursor if it is in the rectangle. | |
1400 | We will turn it back on afterward. */ | |
f676886a JB |
1401 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1402 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1403 | { |
f676886a | 1404 | clear_cursor (f); |
dc6f92b8 JB |
1405 | cursor_cleared = 1; |
1406 | } | |
1407 | ||
1408 | /* Display the text in the rectangle, one text line at a time. */ | |
1409 | ||
1410 | for (y = top; y < bottom; y++) | |
1411 | { | |
f676886a | 1412 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1413 | |
f676886a | 1414 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1415 | continue; |
1416 | ||
f676886a | 1417 | dumpglyphs (f, |
12ba150f JB |
1418 | CHAR_TO_PIXEL_COL (f, left), |
1419 | CHAR_TO_PIXEL_ROW (f, y), | |
1420 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1421 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1422 | } |
1423 | ||
1424 | /* Turn the cursor on if we turned it off. */ | |
1425 | ||
1426 | if (cursor_cleared) | |
f676886a | 1427 | x_display_cursor (f, 1); |
dc6f92b8 | 1428 | } |
dc6f92b8 | 1429 | \f |
dc6f92b8 | 1430 | static void |
334208b7 RS |
1431 | frame_highlight (f) |
1432 | struct frame *f; | |
dc6f92b8 | 1433 | { |
b3e1e05c JB |
1434 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1435 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1436 | and border pixel are window attributes which are "private to the | |
1437 | client", so we can always change it to whatever we want. */ | |
1438 | BLOCK_INPUT; | |
334208b7 | 1439 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 1440 | f->output_data.x->border_pixel); |
b3e1e05c | 1441 | UNBLOCK_INPUT; |
5d46f928 | 1442 | x_update_cursor (f, 1); |
dc6f92b8 JB |
1443 | } |
1444 | ||
1445 | static void | |
334208b7 RS |
1446 | frame_unhighlight (f) |
1447 | struct frame *f; | |
dc6f92b8 | 1448 | { |
b3e1e05c JB |
1449 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1450 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1451 | and border pixel are window attributes which are "private to the | |
1452 | client", so we can always change it to whatever we want. */ | |
1453 | BLOCK_INPUT; | |
334208b7 | 1454 | XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 1455 | f->output_data.x->border_tile); |
b3e1e05c | 1456 | UNBLOCK_INPUT; |
5d46f928 | 1457 | x_update_cursor (f, 1); |
dc6f92b8 | 1458 | } |
dc6f92b8 | 1459 | |
f676886a | 1460 | static void XTframe_rehighlight (); |
0f941935 | 1461 | static void x_frame_rehighlight (); |
6d4238f3 | 1462 | |
f676886a JB |
1463 | /* The focus has changed. Update the frames as necessary to reflect |
1464 | the new situation. Note that we can't change the selected frame | |
c5acd733 | 1465 | here, because the Lisp code we are interrupting might become confused. |
eb8c3be9 | 1466 | Each event gets marked with the frame in which it occurred, so the |
c5acd733 | 1467 | Lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1468 | |
6d4238f3 | 1469 | static void |
0f941935 KH |
1470 | x_new_focus_frame (dpyinfo, frame) |
1471 | struct x_display_info *dpyinfo; | |
f676886a | 1472 | struct frame *frame; |
dc6f92b8 | 1473 | { |
0f941935 | 1474 | struct frame *old_focus = dpyinfo->x_focus_frame; |
dc6f92b8 JB |
1475 | int events_enqueued = 0; |
1476 | ||
0f941935 | 1477 | if (frame != dpyinfo->x_focus_frame) |
dc6f92b8 | 1478 | { |
58769bee | 1479 | /* Set this before calling other routines, so that they see |
f676886a | 1480 | the correct value of x_focus_frame. */ |
0f941935 | 1481 | dpyinfo->x_focus_frame = frame; |
6d4238f3 JB |
1482 | |
1483 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1484 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1485 | |
1486 | #if 0 | |
f676886a | 1487 | selected_frame = frame; |
e0c1aef2 KH |
1488 | XSETFRAME (XWINDOW (selected_frame->selected_window)->frame, |
1489 | selected_frame); | |
f676886a JB |
1490 | Fselect_window (selected_frame->selected_window); |
1491 | choose_minibuf_frame (); | |
c118dd06 | 1492 | #endif /* ! 0 */ |
dc6f92b8 | 1493 | |
0f941935 KH |
1494 | if (dpyinfo->x_focus_frame && dpyinfo->x_focus_frame->auto_raise) |
1495 | pending_autoraise_frame = dpyinfo->x_focus_frame; | |
0134a210 RS |
1496 | else |
1497 | pending_autoraise_frame = 0; | |
6d4238f3 | 1498 | } |
dc6f92b8 | 1499 | |
0f941935 | 1500 | x_frame_rehighlight (dpyinfo); |
6d4238f3 JB |
1501 | } |
1502 | ||
37c2c98b RS |
1503 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ |
1504 | ||
1505 | void | |
0f941935 KH |
1506 | x_mouse_leave (dpyinfo) |
1507 | struct x_display_info *dpyinfo; | |
37c2c98b | 1508 | { |
0f941935 | 1509 | x_new_focus_frame (dpyinfo, dpyinfo->x_focus_event_frame); |
37c2c98b | 1510 | } |
6d4238f3 | 1511 | |
f451eb13 JB |
1512 | /* The focus has changed, or we have redirected a frame's focus to |
1513 | another frame (this happens when a frame uses a surrogate | |
0f941935 KH |
1514 | minibuffer frame). Shift the highlight as appropriate. |
1515 | ||
1516 | The FRAME argument doesn't necessarily have anything to do with which | |
1517 | frame is being highlighted or unhighlighted; we only use it to find | |
1518 | the appropriate X display info. */ | |
6d4238f3 | 1519 | static void |
0f941935 KH |
1520 | XTframe_rehighlight (frame) |
1521 | struct frame *frame; | |
6d4238f3 | 1522 | { |
0f941935 KH |
1523 | x_frame_rehighlight (FRAME_X_DISPLAY_INFO (frame)); |
1524 | } | |
6d4238f3 | 1525 | |
0f941935 KH |
1526 | static void |
1527 | x_frame_rehighlight (dpyinfo) | |
1528 | struct x_display_info *dpyinfo; | |
1529 | { | |
1530 | struct frame *old_highlight = dpyinfo->x_highlight_frame; | |
1531 | ||
1532 | if (dpyinfo->x_focus_frame) | |
6d4238f3 | 1533 | { |
0f941935 KH |
1534 | dpyinfo->x_highlight_frame |
1535 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))) | |
1536 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame)) | |
1537 | : dpyinfo->x_focus_frame); | |
1538 | if (! FRAME_LIVE_P (dpyinfo->x_highlight_frame)) | |
f451eb13 | 1539 | { |
0f941935 KH |
1540 | FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame) = Qnil; |
1541 | dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame; | |
f451eb13 | 1542 | } |
dc6f92b8 | 1543 | } |
6d4238f3 | 1544 | else |
0f941935 | 1545 | dpyinfo->x_highlight_frame = 0; |
dc6f92b8 | 1546 | |
0f941935 | 1547 | if (dpyinfo->x_highlight_frame != old_highlight) |
6d4238f3 JB |
1548 | { |
1549 | if (old_highlight) | |
f676886a | 1550 | frame_unhighlight (old_highlight); |
0f941935 KH |
1551 | if (dpyinfo->x_highlight_frame) |
1552 | frame_highlight (dpyinfo->x_highlight_frame); | |
6d4238f3 | 1553 | } |
dc6f92b8 JB |
1554 | } |
1555 | \f | |
e4571a43 | 1556 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1557 | |
28430d3c JB |
1558 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1559 | static void | |
334208b7 RS |
1560 | x_find_modifier_meanings (dpyinfo) |
1561 | struct x_display_info *dpyinfo; | |
28430d3c | 1562 | { |
f689eb05 | 1563 | int min_code, max_code; |
28430d3c JB |
1564 | KeySym *syms; |
1565 | int syms_per_code; | |
1566 | XModifierKeymap *mods; | |
1567 | ||
334208b7 RS |
1568 | dpyinfo->meta_mod_mask = 0; |
1569 | dpyinfo->shift_lock_mask = 0; | |
1570 | dpyinfo->alt_mod_mask = 0; | |
1571 | dpyinfo->super_mod_mask = 0; | |
1572 | dpyinfo->hyper_mod_mask = 0; | |
58769bee | 1573 | |
9658a521 | 1574 | #ifdef HAVE_X11R4 |
334208b7 | 1575 | XDisplayKeycodes (dpyinfo->display, &min_code, &max_code); |
9658a521 | 1576 | #else |
4a60f8c5 RS |
1577 | min_code = dpyinfo->display->min_keycode; |
1578 | max_code = dpyinfo->display->max_keycode; | |
9658a521 JB |
1579 | #endif |
1580 | ||
334208b7 | 1581 | syms = XGetKeyboardMapping (dpyinfo->display, |
28430d3c JB |
1582 | min_code, max_code - min_code + 1, |
1583 | &syms_per_code); | |
334208b7 | 1584 | mods = XGetModifierMapping (dpyinfo->display); |
28430d3c | 1585 | |
58769bee | 1586 | /* Scan the modifier table to see which modifier bits the Meta and |
11edeb03 | 1587 | Alt keysyms are on. */ |
28430d3c JB |
1588 | { |
1589 | int row, col; /* The row and column in the modifier table. */ | |
1590 | ||
1591 | for (row = 3; row < 8; row++) | |
1592 | for (col = 0; col < mods->max_keypermod; col++) | |
1593 | { | |
0299d313 RS |
1594 | KeyCode code |
1595 | = mods->modifiermap[(row * mods->max_keypermod) + col]; | |
28430d3c | 1596 | |
af92970c KH |
1597 | /* Zeroes are used for filler. Skip them. */ |
1598 | if (code == 0) | |
1599 | continue; | |
1600 | ||
28430d3c JB |
1601 | /* Are any of this keycode's keysyms a meta key? */ |
1602 | { | |
1603 | int code_col; | |
1604 | ||
1605 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1606 | { | |
f689eb05 | 1607 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1608 | |
f689eb05 | 1609 | switch (sym) |
28430d3c | 1610 | { |
f689eb05 JB |
1611 | case XK_Meta_L: |
1612 | case XK_Meta_R: | |
334208b7 | 1613 | dpyinfo->meta_mod_mask |= (1 << row); |
28430d3c | 1614 | break; |
f689eb05 JB |
1615 | |
1616 | case XK_Alt_L: | |
1617 | case XK_Alt_R: | |
334208b7 | 1618 | dpyinfo->alt_mod_mask |= (1 << row); |
a3c44b14 RS |
1619 | break; |
1620 | ||
1621 | case XK_Hyper_L: | |
1622 | case XK_Hyper_R: | |
334208b7 | 1623 | dpyinfo->hyper_mod_mask |= (1 << row); |
a3c44b14 RS |
1624 | break; |
1625 | ||
1626 | case XK_Super_L: | |
1627 | case XK_Super_R: | |
334208b7 | 1628 | dpyinfo->super_mod_mask |= (1 << row); |
f689eb05 | 1629 | break; |
11edeb03 JB |
1630 | |
1631 | case XK_Shift_Lock: | |
1632 | /* Ignore this if it's not on the lock modifier. */ | |
1633 | if ((1 << row) == LockMask) | |
334208b7 | 1634 | dpyinfo->shift_lock_mask = LockMask; |
11edeb03 | 1635 | break; |
28430d3c JB |
1636 | } |
1637 | } | |
1638 | } | |
1639 | } | |
1640 | } | |
1641 | ||
f689eb05 | 1642 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
334208b7 | 1643 | if (! dpyinfo->meta_mod_mask) |
a3c44b14 | 1644 | { |
334208b7 RS |
1645 | dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask; |
1646 | dpyinfo->alt_mod_mask = 0; | |
a3c44b14 | 1647 | } |
f689eb05 | 1648 | |
148c4b70 RS |
1649 | /* If some keys are both alt and meta, |
1650 | make them just meta, not alt. */ | |
334208b7 | 1651 | if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask) |
148c4b70 | 1652 | { |
334208b7 | 1653 | dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask; |
148c4b70 | 1654 | } |
58769bee | 1655 | |
28430d3c | 1656 | XFree ((char *) syms); |
f689eb05 | 1657 | XFreeModifiermap (mods); |
28430d3c JB |
1658 | } |
1659 | ||
dfeccd2d JB |
1660 | /* Convert between the modifier bits X uses and the modifier bits |
1661 | Emacs uses. */ | |
7c5283e4 | 1662 | static unsigned int |
334208b7 RS |
1663 | x_x_to_emacs_modifiers (dpyinfo, state) |
1664 | struct x_display_info *dpyinfo; | |
dc6f92b8 JB |
1665 | unsigned int state; |
1666 | { | |
334208b7 RS |
1667 | return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0) |
1668 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
1669 | | ((state & dpyinfo->meta_mod_mask) ? meta_modifier : 0) | |
1670 | | ((state & dpyinfo->alt_mod_mask) ? alt_modifier : 0) | |
1671 | | ((state & dpyinfo->super_mod_mask) ? super_modifier : 0) | |
1672 | | ((state & dpyinfo->hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1673 | } |
1674 | ||
dfeccd2d | 1675 | static unsigned int |
334208b7 RS |
1676 | x_emacs_to_x_modifiers (dpyinfo, state) |
1677 | struct x_display_info *dpyinfo; | |
dfeccd2d JB |
1678 | unsigned int state; |
1679 | { | |
334208b7 RS |
1680 | return ( ((state & alt_modifier) ? dpyinfo->alt_mod_mask : 0) |
1681 | | ((state & super_modifier) ? dpyinfo->super_mod_mask : 0) | |
1682 | | ((state & hyper_modifier) ? dpyinfo->hyper_mod_mask : 0) | |
1683 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1684 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1685 | | ((state & meta_modifier) ? dpyinfo->meta_mod_mask : 0)); | |
dfeccd2d | 1686 | } |
d047c4eb KH |
1687 | |
1688 | /* Convert a keysym to its name. */ | |
1689 | ||
1690 | char * | |
1691 | x_get_keysym_name (keysym) | |
1692 | KeySym keysym; | |
1693 | { | |
1694 | char *value; | |
1695 | ||
1696 | BLOCK_INPUT; | |
1697 | value = XKeysymToString (keysym); | |
1698 | UNBLOCK_INPUT; | |
1699 | ||
1700 | return value; | |
1701 | } | |
e4571a43 JB |
1702 | \f |
1703 | /* Mouse clicks and mouse movement. Rah. */ | |
e4571a43 JB |
1704 | |
1705 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1706 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1707 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1708 | If NOCLIP is nonzero, do not force the value into range. */ | |
1709 | ||
c8dba240 | 1710 | void |
69388238 | 1711 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1712 | FRAME_PTR f; |
69388238 | 1713 | register int pix_x, pix_y; |
e4571a43 JB |
1714 | register int *x, *y; |
1715 | XRectangle *bounds; | |
69388238 | 1716 | int noclip; |
e4571a43 | 1717 | { |
69388238 RS |
1718 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1719 | even for negative values. */ | |
1720 | if (pix_x < 0) | |
7556890b | 1721 | pix_x -= FONT_WIDTH ((f)->output_data.x->font) - 1; |
69388238 | 1722 | if (pix_y < 0) |
7556890b | 1723 | pix_y -= (f)->output_data.x->line_height - 1; |
69388238 | 1724 | |
e4571a43 JB |
1725 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1726 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1727 | ||
1728 | if (bounds) | |
1729 | { | |
7556890b RS |
1730 | bounds->width = FONT_WIDTH (f->output_data.x->font); |
1731 | bounds->height = f->output_data.x->line_height; | |
e4571a43 JB |
1732 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1733 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1734 | } | |
1735 | ||
69388238 RS |
1736 | if (!noclip) |
1737 | { | |
1738 | if (pix_x < 0) | |
1739 | pix_x = 0; | |
1740 | else if (pix_x > f->width) | |
1741 | pix_x = f->width; | |
1742 | ||
1743 | if (pix_y < 0) | |
1744 | pix_y = 0; | |
1745 | else if (pix_y > f->height) | |
1746 | pix_y = f->height; | |
1747 | } | |
e4571a43 JB |
1748 | |
1749 | *x = pix_x; | |
1750 | *y = pix_y; | |
1751 | } | |
1752 | ||
2b5c9e71 RS |
1753 | void |
1754 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1755 | FRAME_PTR f; | |
1756 | register int x, y; | |
1757 | register int *pix_x, *pix_y; | |
1758 | { | |
1759 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1760 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1761 | } | |
1762 | ||
dc6f92b8 JB |
1763 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1764 | ||
1765 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1766 | the mouse. */ |
dc6f92b8 JB |
1767 | |
1768 | static Lisp_Object | |
f451eb13 | 1769 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1770 | struct input_event *result; |
1771 | XButtonEvent *event; | |
f676886a | 1772 | struct frame *f; |
dc6f92b8 | 1773 | { |
f451eb13 | 1774 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1775 | otherwise. */ |
f451eb13 | 1776 | result->kind = mouse_click; |
69388238 | 1777 | result->code = event->button - Button1; |
1113d9db | 1778 | result->timestamp = event->time; |
334208b7 RS |
1779 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1780 | event->state) | |
f689eb05 | 1781 | | (event->type == ButtonRelease |
58769bee | 1782 | ? up_modifier |
f689eb05 | 1783 | : down_modifier)); |
dc6f92b8 | 1784 | |
f451eb13 JB |
1785 | { |
1786 | int row, column; | |
dc6f92b8 | 1787 | |
2b5c9e71 | 1788 | #if 0 |
69388238 | 1789 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
90e1eb6f KH |
1790 | XSETFASTINT (result->x, column); |
1791 | XSETFASTINT (result->y, row); | |
2b5c9e71 | 1792 | #endif |
e0c1aef2 KH |
1793 | XSETINT (result->x, event->x); |
1794 | XSETINT (result->y, event->y); | |
1795 | XSETFRAME (result->frame_or_window, f); | |
f451eb13 | 1796 | } |
dc6f92b8 | 1797 | } |
b849c413 RS |
1798 | |
1799 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
1800 | ||
1801 | static Lisp_Object | |
1802 | construct_menu_click (result, event, f) | |
1803 | struct input_event *result; | |
1804 | XButtonEvent *event; | |
1805 | struct frame *f; | |
1806 | { | |
1807 | /* Make the event type no_event; we'll change that when we decide | |
1808 | otherwise. */ | |
1809 | result->kind = mouse_click; | |
e0c1aef2 | 1810 | XSETINT (result->code, event->button - Button1); |
b849c413 | 1811 | result->timestamp = event->time; |
334208b7 RS |
1812 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1813 | event->state) | |
b849c413 | 1814 | | (event->type == ButtonRelease |
58769bee | 1815 | ? up_modifier |
b849c413 RS |
1816 | : down_modifier)); |
1817 | ||
e0c1aef2 KH |
1818 | XSETINT (result->x, event->x); |
1819 | XSETINT (result->y, -1); | |
1820 | XSETFRAME (result->frame_or_window, f); | |
b849c413 | 1821 | } |
69388238 | 1822 | \f |
90e65f07 JB |
1823 | /* Function to report a mouse movement to the mainstream Emacs code. |
1824 | The input handler calls this. | |
1825 | ||
1826 | We have received a mouse movement event, which is given in *event. | |
1827 | If the mouse is over a different glyph than it was last time, tell | |
1828 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1829 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 1830 | |
90e65f07 | 1831 | static void |
12ba150f | 1832 | note_mouse_movement (frame, event) |
f676886a | 1833 | FRAME_PTR frame; |
90e65f07 | 1834 | XMotionEvent *event; |
90e65f07 | 1835 | { |
e5d77022 JB |
1836 | last_mouse_movement_time = event->time; |
1837 | ||
27f338af RS |
1838 | if (event->window != FRAME_X_WINDOW (frame)) |
1839 | { | |
39d8bb4d | 1840 | frame->mouse_moved = 1; |
27f338af RS |
1841 | last_mouse_scroll_bar = Qnil; |
1842 | ||
1843 | note_mouse_highlight (frame, -1, -1); | |
1844 | ||
1845 | /* Ask for another mouse motion event. */ | |
1846 | { | |
1847 | int dummy; | |
847e150a | 1848 | Window dummy_window; |
27f338af RS |
1849 | |
1850 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), | |
847e150a | 1851 | &dummy_window, &dummy_window, |
27f338af RS |
1852 | &dummy, &dummy, &dummy, &dummy, |
1853 | (unsigned int *) &dummy); | |
1854 | } | |
1855 | } | |
1856 | ||
90e65f07 | 1857 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
1858 | else if (event->x < last_mouse_glyph.x |
1859 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1860 | || event->y < last_mouse_glyph.y | |
1861 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f | 1862 | { |
39d8bb4d | 1863 | frame->mouse_moved = 1; |
ab648270 | 1864 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
1865 | |
1866 | note_mouse_highlight (frame, event->x, event->y); | |
1867 | ||
1868 | /* Ask for another mouse motion event. */ | |
1869 | { | |
1870 | int dummy; | |
847e150a | 1871 | Window dummy_window; |
b8009dd1 | 1872 | |
27f338af | 1873 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1874 | &dummy_window, &dummy_window, |
b8009dd1 RS |
1875 | &dummy, &dummy, &dummy, &dummy, |
1876 | (unsigned int *) &dummy); | |
1877 | } | |
12ba150f | 1878 | } |
90e65f07 JB |
1879 | else |
1880 | { | |
1881 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1882 | event the next time the mouse moves and we can see if it's | |
1883 | *still* on the same glyph. */ | |
1884 | int dummy; | |
847e150a | 1885 | Window dummy_window; |
58769bee | 1886 | |
27f338af | 1887 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1888 | &dummy_window, &dummy_window, |
90e65f07 JB |
1889 | &dummy, &dummy, &dummy, &dummy, |
1890 | (unsigned int *) &dummy); | |
1891 | } | |
1892 | } | |
1893 | ||
bf1c0ba1 RS |
1894 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
1895 | static int disable_mouse_highlight; | |
1896 | ||
b8009dd1 RS |
1897 | /* Take proper action when the mouse has moved to position X, Y on frame F |
1898 | as regards highlighting characters that have mouse-face properties. | |
27f338af RS |
1899 | Also dehighlighting chars where the mouse was before. |
1900 | X and Y can be negative or out of range. */ | |
b8009dd1 RS |
1901 | |
1902 | static void | |
1903 | note_mouse_highlight (f, x, y) | |
1904 | FRAME_PTR f; | |
c32cdd9a | 1905 | int x, y; |
b8009dd1 RS |
1906 | { |
1907 | int row, column, portion; | |
1908 | XRectangle new_glyph; | |
1909 | Lisp_Object window; | |
1910 | struct window *w; | |
1911 | ||
bf1c0ba1 RS |
1912 | if (disable_mouse_highlight) |
1913 | return; | |
1914 | ||
7a13e894 RS |
1915 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x = x; |
1916 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y = y; | |
1917 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame = f; | |
b8009dd1 | 1918 | |
7a13e894 | 1919 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_defer) |
b8009dd1 RS |
1920 | return; |
1921 | ||
514e4681 RS |
1922 | if (gc_in_progress) |
1923 | { | |
7a13e894 | 1924 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 1; |
514e4681 RS |
1925 | return; |
1926 | } | |
1927 | ||
b8009dd1 RS |
1928 | /* Find out which glyph the mouse is on. */ |
1929 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
334208b7 | 1930 | &new_glyph, FRAME_X_DISPLAY_INFO (f)->grabbed); |
b8009dd1 RS |
1931 | |
1932 | /* Which window is that in? */ | |
1933 | window = window_from_coordinates (f, column, row, &portion); | |
1934 | w = XWINDOW (window); | |
1935 | ||
1936 | /* If we were displaying active text in another window, clear that. */ | |
7a13e894 RS |
1937 | if (! EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) |
1938 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); | |
b8009dd1 | 1939 | |
0cdd0c9f RS |
1940 | /* Are we in a window whose display is up to date? |
1941 | And verify the buffer's text has not changed. */ | |
27f338af RS |
1942 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
1943 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
0cdd0c9f RS |
1944 | && EQ (w->window_end_valid, w->buffer) |
1945 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
1946 | { |
1947 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
1948 | int i, pos; | |
1949 | ||
1950 | /* Find which buffer position the mouse corresponds to. */ | |
1951 | for (i = column; i >= 0; i--) | |
1952 | if (ptr[i] > 0) | |
1953 | break; | |
1954 | pos = ptr[i]; | |
1955 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 | 1956 | if (pos <= 0) |
7a13e894 RS |
1957 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
1958 | else if (! (EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window) | |
1959 | && row >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1960 | && row <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1961 | && (row > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1962 | || column >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col) | |
1963 | && (row < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1964 | || column < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
1965 | || FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end))) | |
b8009dd1 RS |
1966 | { |
1967 | Lisp_Object mouse_face, overlay, position; | |
1968 | Lisp_Object *overlay_vec; | |
1969 | int len, noverlays, ignor1; | |
f8bdb8e6 | 1970 | struct buffer *obuf; |
e444162e | 1971 | int obegv, ozv; |
f8bdb8e6 | 1972 | |
e444162e RS |
1973 | /* If we get an out-of-range value, return now; avoid an error. */ |
1974 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 1975 | return; |
b8009dd1 | 1976 | |
09fe4c31 RS |
1977 | /* Make the window's buffer temporarily current for |
1978 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 1979 | obuf = current_buffer; |
09fe4c31 | 1980 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
1981 | obegv = BEGV; |
1982 | ozv = ZV; | |
1983 | BEGV = BEG; | |
1984 | ZV = Z; | |
09fe4c31 | 1985 | |
b8009dd1 | 1986 | /* Yes. Clear the display of the old active region, if any. */ |
7a13e894 | 1987 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
b8009dd1 RS |
1988 | |
1989 | /* Is this char mouse-active? */ | |
e0c1aef2 | 1990 | XSETINT (position, pos); |
b8009dd1 RS |
1991 | |
1992 | len = 10; | |
1993 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
1994 | ||
1995 | /* Put all the overlays we want in a vector in overlay_vec. | |
1996 | Store the length in len. */ | |
7965883b RS |
1997 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, |
1998 | NULL, NULL); | |
09fe4c31 | 1999 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
2000 | |
2001 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
2002 | overlay = Qnil; | |
2003 | for (i = 0; i < noverlays; i++) | |
2004 | { | |
2005 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2006 | if (!NILP (mouse_face)) | |
2007 | { | |
2008 | overlay = overlay_vec[i]; | |
2009 | break; | |
2010 | } | |
2011 | } | |
2012 | free (overlay_vec); | |
2013 | /* If no overlay applies, get a text property. */ | |
2014 | if (NILP (overlay)) | |
2015 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
2016 | ||
2017 | /* Handle the overlay case. */ | |
2018 | if (! NILP (overlay)) | |
2019 | { | |
2020 | /* Find the range of text around this char that | |
2021 | should be active. */ | |
2022 | Lisp_Object before, after; | |
2023 | int ignore; | |
2024 | ||
2025 | before = Foverlay_start (overlay); | |
2026 | after = Foverlay_end (overlay); | |
2027 | /* Record this as the current active region. */ | |
7a13e894 RS |
2028 | fast_find_position (window, before, |
2029 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
2030 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
2031 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
2032 | = !fast_find_position (window, after, | |
2033 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
2034 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
2035 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
2036 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
2037 | = compute_char_face (f, w, pos, 0, 0, | |
2038 | &ignore, pos + 1, 1); | |
b8009dd1 RS |
2039 | |
2040 | /* Display it as active. */ | |
7a13e894 | 2041 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 RS |
2042 | } |
2043 | /* Handle the text property case. */ | |
2044 | else if (! NILP (mouse_face)) | |
2045 | { | |
2046 | /* Find the range of text around this char that | |
2047 | should be active. */ | |
2048 | Lisp_Object before, after, beginning, end; | |
2049 | int ignore; | |
2050 | ||
2051 | beginning = Fmarker_position (w->start); | |
e0c1aef2 KH |
2052 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) |
2053 | - XFASTINT (w->window_end_pos))); | |
b8009dd1 RS |
2054 | before |
2055 | = Fprevious_single_property_change (make_number (pos + 1), | |
2056 | Qmouse_face, | |
2057 | w->buffer, beginning); | |
2058 | after | |
2059 | = Fnext_single_property_change (position, Qmouse_face, | |
2060 | w->buffer, end); | |
2061 | /* Record this as the current active region. */ | |
7a13e894 RS |
2062 | fast_find_position (window, before, |
2063 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
2064 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
2065 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
2066 | = !fast_find_position (window, after, | |
2067 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
2068 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
2069 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
2070 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
b8009dd1 RS |
2071 | = compute_char_face (f, w, pos, 0, 0, |
2072 | &ignore, pos + 1, 1); | |
2073 | ||
2074 | /* Display it as active. */ | |
7a13e894 | 2075 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 | 2076 | } |
e444162e RS |
2077 | BEGV = obegv; |
2078 | ZV = ozv; | |
09fe4c31 | 2079 | current_buffer = obuf; |
b8009dd1 | 2080 | } |
b8009dd1 RS |
2081 | } |
2082 | } | |
2083 | \f | |
2084 | /* Find the row and column of position POS in window WINDOW. | |
2085 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2086 | This assumes display in WINDOW is up to date. |
2087 | If POS is above start of WINDOW, return coords | |
2088 | of start of first screen line. | |
4d73d038 RS |
2089 | If POS is after end of WINDOW, return coords of end of last screen line. |
2090 | ||
2091 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
b8009dd1 RS |
2092 | |
2093 | static int | |
2094 | fast_find_position (window, pos, columnp, rowp) | |
2095 | Lisp_Object window; | |
2096 | int pos; | |
2097 | int *columnp, *rowp; | |
2098 | { | |
2099 | struct window *w = XWINDOW (window); | |
2100 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2101 | int i; | |
4d73d038 | 2102 | int row = 0; |
b8009dd1 RS |
2103 | int left = w->left; |
2104 | int top = w->top; | |
2105 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2106 | int width = window_internal_width (w); | |
2107 | int *charstarts; | |
bf1c0ba1 | 2108 | int lastcol; |
77b68646 | 2109 | int maybe_next_line = 0; |
b8009dd1 | 2110 | |
4d73d038 | 2111 | /* Find the right row. */ |
b8009dd1 RS |
2112 | for (i = 0; |
2113 | i < height; | |
2114 | i++) | |
2115 | { | |
2116 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2117 | if (linestart > pos) | |
2118 | break; | |
77b68646 RS |
2119 | /* If the position sought is the end of the buffer, |
2120 | don't include the blank lines at the bottom of the window. */ | |
2121 | if (linestart == pos && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2122 | { | |
2123 | maybe_next_line = 1; | |
2124 | break; | |
2125 | } | |
b8009dd1 RS |
2126 | if (linestart > 0) |
2127 | row = i; | |
2128 | } | |
2129 | ||
4d73d038 | 2130 | /* Find the right column with in it. */ |
b8009dd1 | 2131 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
bf1c0ba1 | 2132 | lastcol = left; |
b8009dd1 | 2133 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2134 | { |
2135 | if (charstarts[left + i] == pos) | |
2136 | { | |
2137 | *rowp = row + top; | |
2138 | *columnp = i + left; | |
2139 | return 1; | |
2140 | } | |
2141 | else if (charstarts[left + i] > pos) | |
4d73d038 RS |
2142 | break; |
2143 | else if (charstarts[left + i] > 0) | |
bf1c0ba1 RS |
2144 | lastcol = left + i; |
2145 | } | |
b8009dd1 | 2146 | |
77b68646 RS |
2147 | /* If we're looking for the end of the buffer, |
2148 | and we didn't find it in the line we scanned, | |
2149 | use the start of the following line. */ | |
2150 | if (maybe_next_line) | |
2151 | { | |
2152 | row++; | |
2153 | i = 0; | |
2154 | } | |
2155 | ||
bf1c0ba1 RS |
2156 | *rowp = row + top; |
2157 | *columnp = lastcol; | |
b8009dd1 RS |
2158 | return 0; |
2159 | } | |
2160 | ||
2161 | /* Display the active region described by mouse_face_* | |
2162 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2163 | ||
2164 | static void | |
7a13e894 RS |
2165 | show_mouse_face (dpyinfo, hl) |
2166 | struct x_display_info *dpyinfo; | |
b8009dd1 RS |
2167 | int hl; |
2168 | { | |
7a13e894 | 2169 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); |
b8009dd1 RS |
2170 | int width = window_internal_width (w); |
2171 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2172 | int i; | |
514e4681 | 2173 | int cursor_off = 0; |
fb3b7de5 RS |
2174 | int old_curs_x = curs_x; |
2175 | int old_curs_y = curs_y; | |
2176 | ||
2177 | /* Set these variables temporarily | |
2178 | so that if we have to turn the cursor off and on again | |
2179 | we will put it back at the same place. */ | |
2180 | curs_x = f->phys_cursor_x; | |
2181 | curs_y = f->phys_cursor_y; | |
b8009dd1 | 2182 | |
7a13e894 RS |
2183 | for (i = FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row; |
2184 | i <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row; i++) | |
b8009dd1 | 2185 | { |
7a13e894 RS |
2186 | int column = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
2187 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col | |
2188 | : w->left); | |
2189 | int endcolumn = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
2190 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
2191 | : w->left + width); | |
6f4c2453 | 2192 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
514e4681 RS |
2193 | |
2194 | /* If the cursor's in the text we are about to rewrite, | |
2195 | turn the cursor off. */ | |
2196 | if (i == curs_y | |
0d43a5d9 RS |
2197 | && curs_x >= column - 1 |
2198 | && curs_x <= endcolumn) | |
514e4681 RS |
2199 | { |
2200 | x_display_cursor (f, 0); | |
2201 | cursor_off = 1; | |
2202 | } | |
b8009dd1 RS |
2203 | |
2204 | dumpglyphs (f, | |
2205 | CHAR_TO_PIXEL_COL (f, column), | |
2206 | CHAR_TO_PIXEL_ROW (f, i), | |
2207 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2208 | endcolumn - column, | |
2209 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2210 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2211 | } |
2212 | ||
514e4681 RS |
2213 | /* If we turned the cursor off, turn it back on. */ |
2214 | if (cursor_off) | |
2215 | x_display_cursor (f, 1); | |
27ead1d5 | 2216 | |
fb3b7de5 RS |
2217 | curs_x = old_curs_x; |
2218 | curs_y = old_curs_y; | |
2219 | ||
27ead1d5 FP |
2220 | /* Change the mouse cursor according to the value of HL. */ |
2221 | if (hl > 0) | |
334208b7 | 2222 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 2223 | f->output_data.x->cross_cursor); |
27ead1d5 | 2224 | else |
334208b7 | 2225 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 2226 | f->output_data.x->text_cursor); |
b8009dd1 RS |
2227 | } |
2228 | ||
2229 | /* Clear out the mouse-highlighted active region. | |
2230 | Redraw it unhighlighted first. */ | |
2231 | ||
2232 | static void | |
7a13e894 RS |
2233 | clear_mouse_face (dpyinfo) |
2234 | struct x_display_info *dpyinfo; | |
b8009dd1 | 2235 | { |
7a13e894 RS |
2236 | if (! NILP (dpyinfo->mouse_face_window)) |
2237 | show_mouse_face (dpyinfo, 0); | |
b8009dd1 | 2238 | |
7a13e894 RS |
2239 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
2240 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
2241 | dpyinfo->mouse_face_window = Qnil; | |
b8009dd1 RS |
2242 | } |
2243 | \f | |
ab648270 JB |
2244 | static struct scroll_bar *x_window_to_scroll_bar (); |
2245 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2246 | |
90e65f07 | 2247 | /* Return the current position of the mouse. |
2d7fc7e8 | 2248 | *fp should be a frame which indicates which display to ask about. |
90e65f07 | 2249 | |
2d7fc7e8 | 2250 | If the mouse movement started in a scroll bar, set *fp, *bar_window, |
ab648270 | 2251 | and *part to the frame, window, and scroll bar part that the mouse |
12ba150f | 2252 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2253 | position on the scroll bar. |
12ba150f | 2254 | |
2d7fc7e8 | 2255 | If the mouse movement started elsewhere, set *fp to the frame the |
12ba150f JB |
2256 | mouse is on, *bar_window to nil, and *x and *y to the character cell |
2257 | the mouse is over. | |
2258 | ||
2259 | Set *time to the server timestamp for the time at which the mouse | |
2260 | was at this position. | |
2261 | ||
a135645a RS |
2262 | Don't store anything if we don't have a valid set of values to report. |
2263 | ||
90e65f07 | 2264 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2265 | movement. This also calls XQueryPointer, which will cause the |
2266 | server to give us another MotionNotify when the mouse moves | |
2267 | again. */ | |
90e65f07 JB |
2268 | |
2269 | static void | |
1cf412ec | 2270 | XTmouse_position (fp, insist, bar_window, part, x, y, time) |
334208b7 | 2271 | FRAME_PTR *fp; |
1cf412ec | 2272 | int insist; |
12ba150f | 2273 | Lisp_Object *bar_window; |
ab648270 | 2274 | enum scroll_bar_part *part; |
90e65f07 | 2275 | Lisp_Object *x, *y; |
e5d77022 | 2276 | unsigned long *time; |
90e65f07 | 2277 | { |
a135645a RS |
2278 | FRAME_PTR f1; |
2279 | ||
90e65f07 JB |
2280 | BLOCK_INPUT; |
2281 | ||
ab648270 | 2282 | if (! NILP (last_mouse_scroll_bar)) |
334208b7 | 2283 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
90e65f07 JB |
2284 | else |
2285 | { | |
12ba150f JB |
2286 | Window root; |
2287 | int root_x, root_y; | |
90e65f07 | 2288 | |
12ba150f JB |
2289 | Window dummy_window; |
2290 | int dummy; | |
2291 | ||
39d8bb4d KH |
2292 | Lisp_Object frame, tail; |
2293 | ||
2294 | /* Clear the mouse-moved flag for every frame on this display. */ | |
2295 | FOR_EACH_FRAME (tail, frame) | |
2296 | if (FRAME_X_DISPLAY (XFRAME (frame)) == FRAME_X_DISPLAY (*fp)) | |
2297 | XFRAME (frame)->mouse_moved = 0; | |
2298 | ||
ab648270 | 2299 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2300 | |
2301 | /* Figure out which root window we're on. */ | |
334208b7 RS |
2302 | XQueryPointer (FRAME_X_DISPLAY (*fp), |
2303 | DefaultRootWindow (FRAME_X_DISPLAY (*fp)), | |
12ba150f JB |
2304 | |
2305 | /* The root window which contains the pointer. */ | |
2306 | &root, | |
2307 | ||
2308 | /* Trash which we can't trust if the pointer is on | |
2309 | a different screen. */ | |
2310 | &dummy_window, | |
2311 | ||
2312 | /* The position on that root window. */ | |
58769bee | 2313 | &root_x, &root_y, |
12ba150f JB |
2314 | |
2315 | /* More trash we can't trust. */ | |
2316 | &dummy, &dummy, | |
2317 | ||
2318 | /* Modifier keys and pointer buttons, about which | |
2319 | we don't care. */ | |
2320 | (unsigned int *) &dummy); | |
2321 | ||
2322 | /* Now we have a position on the root; find the innermost window | |
2323 | containing the pointer. */ | |
2324 | { | |
2325 | Window win, child; | |
2326 | int win_x, win_y; | |
2327 | int parent_x, parent_y; | |
2328 | ||
2329 | win = root; | |
69388238 | 2330 | |
2d7fc7e8 RS |
2331 | /* XTranslateCoordinates can get errors if the window |
2332 | structure is changing at the same time this function | |
2333 | is running. So at least we must not crash from them. */ | |
2334 | ||
2335 | x_catch_errors (FRAME_X_DISPLAY (*fp)); | |
2336 | ||
334208b7 | 2337 | if (FRAME_X_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
23faf38f | 2338 | && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 2339 | { |
69388238 RS |
2340 | /* If mouse was grabbed on a frame, give coords for that frame |
2341 | even if the mouse is now outside it. */ | |
334208b7 | 2342 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
69388238 | 2343 | |
12ba150f | 2344 | /* From-window, to-window. */ |
69388238 | 2345 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2346 | |
2347 | /* From-position, to-position. */ | |
2348 | root_x, root_y, &win_x, &win_y, | |
2349 | ||
2350 | /* Child of win. */ | |
2351 | &child); | |
69388238 RS |
2352 | f1 = last_mouse_frame; |
2353 | } | |
2354 | else | |
2355 | { | |
2356 | while (1) | |
2357 | { | |
334208b7 | 2358 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
12ba150f | 2359 | |
69388238 RS |
2360 | /* From-window, to-window. */ |
2361 | root, win, | |
12ba150f | 2362 | |
69388238 RS |
2363 | /* From-position, to-position. */ |
2364 | root_x, root_y, &win_x, &win_y, | |
2365 | ||
2366 | /* Child of win. */ | |
2367 | &child); | |
2368 | ||
9af3143a | 2369 | if (child == None || child == win) |
69388238 RS |
2370 | break; |
2371 | ||
2372 | win = child; | |
2373 | parent_x = win_x; | |
2374 | parent_y = win_y; | |
2375 | } | |
12ba150f | 2376 | |
69388238 RS |
2377 | /* Now we know that: |
2378 | win is the innermost window containing the pointer | |
2379 | (XTC says it has no child containing the pointer), | |
2380 | win_x and win_y are the pointer's position in it | |
2381 | (XTC did this the last time through), and | |
2382 | parent_x and parent_y are the pointer's position in win's parent. | |
2383 | (They are what win_x and win_y were when win was child. | |
2384 | If win is the root window, it has no parent, and | |
2385 | parent_{x,y} are invalid, but that's okay, because we'll | |
2386 | never use them in that case.) */ | |
2387 | ||
2388 | /* Is win one of our frames? */ | |
19126e11 | 2389 | f1 = x_any_window_to_frame (FRAME_X_DISPLAY_INFO (*fp), win); |
69388238 | 2390 | } |
58769bee | 2391 | |
2d7fc7e8 RS |
2392 | if (x_had_errors_p (FRAME_X_DISPLAY (*fp))) |
2393 | f1 = 0; | |
2394 | ||
2395 | x_uncatch_errors (FRAME_X_DISPLAY (*fp)); | |
2396 | ||
ab648270 | 2397 | /* If not, is it one of our scroll bars? */ |
a135645a | 2398 | if (! f1) |
12ba150f | 2399 | { |
ab648270 | 2400 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2401 | |
2402 | if (bar) | |
2403 | { | |
a135645a | 2404 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2405 | win_x = parent_x; |
2406 | win_y = parent_y; | |
2407 | } | |
2408 | } | |
90e65f07 | 2409 | |
1cf412ec RS |
2410 | if (f1 == 0 && insist) |
2411 | f1 = selected_frame; | |
2412 | ||
a135645a | 2413 | if (f1) |
12ba150f | 2414 | { |
2b5c9e71 RS |
2415 | int ignore1, ignore2; |
2416 | ||
2417 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2418 | |
2b5c9e71 | 2419 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
334208b7 | 2420 | &last_mouse_glyph, |
1cf412ec RS |
2421 | FRAME_X_DISPLAY_INFO (f1)->grabbed |
2422 | || insist); | |
12ba150f JB |
2423 | |
2424 | *bar_window = Qnil; | |
2425 | *part = 0; | |
334208b7 | 2426 | *fp = f1; |
e0c1aef2 KH |
2427 | XSETINT (*x, win_x); |
2428 | XSETINT (*y, win_y); | |
12ba150f JB |
2429 | *time = last_mouse_movement_time; |
2430 | } | |
2431 | } | |
2432 | } | |
90e65f07 JB |
2433 | |
2434 | UNBLOCK_INPUT; | |
2435 | } | |
c118dd06 | 2436 | \f |
ab648270 | 2437 | /* Scroll bar support. */ |
f451eb13 | 2438 | |
ab648270 JB |
2439 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2440 | This can be called in GC, so we have to make sure to strip off mark | |
2441 | bits. */ | |
2442 | static struct scroll_bar * | |
2443 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2444 | Window window_id; |
2445 | { | |
2446 | Lisp_Object tail, frame; | |
f451eb13 | 2447 | |
ab648270 JB |
2448 | for (tail = Vframe_list; |
2449 | XGCTYPE (tail) == Lisp_Cons; | |
2450 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2451 | { |
abdda982 | 2452 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2453 | |
abdda982 | 2454 | frame = XCONS (tail)->car; |
f451eb13 | 2455 | /* All elements of Vframe_list should be frames. */ |
0299d313 | 2456 | if (! GC_FRAMEP (frame)) |
f451eb13 JB |
2457 | abort (); |
2458 | ||
ab648270 | 2459 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2460 | right window ID. */ |
ab648270 JB |
2461 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2462 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2463 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2464 | condemned scroll bar lists with one loop. */ |
2465 | ! GC_NILP (bar) || (bar = condemned, | |
2466 | condemned = Qnil, | |
2467 | ! GC_NILP (bar)); | |
bc20ebbf | 2468 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2469 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2470 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2471 | } |
2472 | ||
2473 | return 0; | |
2474 | } | |
2475 | ||
ab648270 JB |
2476 | /* Open a new X window to serve as a scroll bar, and return the |
2477 | scroll bar vector for it. */ | |
2478 | static struct scroll_bar * | |
2479 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2480 | struct window *window; |
f451eb13 JB |
2481 | int top, left, width, height; |
2482 | { | |
334208b7 RS |
2483 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
2484 | struct scroll_bar *bar | |
2485 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2486 | |
2487 | BLOCK_INPUT; | |
2488 | ||
2489 | { | |
2490 | XSetWindowAttributes a; | |
2491 | unsigned long mask; | |
7556890b | 2492 | a.background_pixel = f->output_data.x->background_pixel; |
12ba150f | 2493 | a.event_mask = (ButtonPressMask | ButtonReleaseMask |
9a572e2a | 2494 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2495 | | ExposureMask); |
7a13e894 | 2496 | a.cursor = FRAME_X_DISPLAY_INFO (f)->vertical_scroll_bar_cursor; |
f451eb13 | 2497 | |
dbc4e1c1 | 2498 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2499 | |
3afe33e7 RS |
2500 | #if 0 |
2501 | ||
2502 | ac = 0; | |
2503 | XtSetArg (al[ac], XtNx, left); ac++; | |
2504 | XtSetArg (al[ac], XtNy, top); ac++; | |
2505 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2506 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2507 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2508 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 | 2509 | boxWidgetClass, |
7556890b | 2510 | f->output_data.x->edit_widget, al, ac); |
7246d1d3 | 2511 | SET_SCROLL_BAR_X_WINDOW |
3afe33e7 | 2512 | (bar, sb_widget->core.window); |
58769bee | 2513 | #endif |
7246d1d3 | 2514 | SET_SCROLL_BAR_X_WINDOW |
58769bee | 2515 | (bar, |
334208b7 | 2516 | XCreateWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f451eb13 | 2517 | |
ab648270 | 2518 | /* Position and size of scroll bar. */ |
12ba150f | 2519 | left, top, width, height, |
f451eb13 | 2520 | |
12ba150f JB |
2521 | /* Border width, depth, class, and visual. */ |
2522 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2523 | |
12ba150f JB |
2524 | /* Attributes. */ |
2525 | mask, &a)); | |
f451eb13 JB |
2526 | } |
2527 | ||
e0c1aef2 KH |
2528 | XSETWINDOW (bar->window, window); |
2529 | XSETINT (bar->top, top); | |
2530 | XSETINT (bar->left, left); | |
2531 | XSETINT (bar->width, width); | |
2532 | XSETINT (bar->height, height); | |
2533 | XSETINT (bar->start, 0); | |
2534 | XSETINT (bar->end, 0); | |
12ba150f | 2535 | bar->dragging = Qnil; |
f451eb13 JB |
2536 | |
2537 | /* Add bar to its frame's list of scroll bars. */ | |
334208b7 | 2538 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2539 | bar->prev = Qnil; |
334208b7 | 2540 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2541 | if (! NILP (bar->next)) |
e0c1aef2 | 2542 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
f451eb13 | 2543 | |
7f9c7f94 | 2544 | XMapRaised (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2545 | |
2546 | UNBLOCK_INPUT; | |
12ba150f JB |
2547 | |
2548 | return bar; | |
f451eb13 JB |
2549 | } |
2550 | ||
12ba150f JB |
2551 | /* Draw BAR's handle in the proper position. |
2552 | If the handle is already drawn from START to END, don't bother | |
2553 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2554 | redraw it. (REBUILD is handy for drawing the handle after expose | |
58769bee | 2555 | events.) |
12ba150f JB |
2556 | |
2557 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2558 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2559 | handle, we want to let them drag it down all the way, so that the |
2560 | bar's top is as far down as it goes; otherwise, there's no way to | |
2561 | move to the very end of the buffer. */ | |
f451eb13 | 2562 | static void |
ab648270 JB |
2563 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2564 | struct scroll_bar *bar; | |
f451eb13 | 2565 | int start, end; |
12ba150f | 2566 | int rebuild; |
f451eb13 | 2567 | { |
12ba150f | 2568 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2569 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 | 2570 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7556890b | 2571 | GC gc = f->output_data.x->normal_gc; |
12ba150f JB |
2572 | |
2573 | /* If the display is already accurate, do nothing. */ | |
2574 | if (! rebuild | |
2575 | && start == XINT (bar->start) | |
2576 | && end == XINT (bar->end)) | |
2577 | return; | |
2578 | ||
f451eb13 JB |
2579 | BLOCK_INPUT; |
2580 | ||
2581 | { | |
ab648270 JB |
2582 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2583 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2584 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2585 | |
2586 | /* Make sure the values are reasonable, and try to preserve | |
2587 | the distance between start and end. */ | |
12ba150f JB |
2588 | { |
2589 | int length = end - start; | |
2590 | ||
2591 | if (start < 0) | |
2592 | start = 0; | |
2593 | else if (start > top_range) | |
2594 | start = top_range; | |
2595 | end = start + length; | |
2596 | ||
2597 | if (end < start) | |
2598 | end = start; | |
2599 | else if (end > top_range && ! dragging) | |
2600 | end = top_range; | |
2601 | } | |
f451eb13 | 2602 | |
ab648270 | 2603 | /* Store the adjusted setting in the scroll bar. */ |
e0c1aef2 KH |
2604 | XSETINT (bar->start, start); |
2605 | XSETINT (bar->end, end); | |
f451eb13 | 2606 | |
12ba150f JB |
2607 | /* Clip the end position, just for display. */ |
2608 | if (end > top_range) | |
2609 | end = top_range; | |
f451eb13 | 2610 | |
ab648270 | 2611 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2612 | below top positions, to make sure the handle is always at least |
2613 | that many pixels tall. */ | |
ab648270 | 2614 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2615 | |
12ba150f JB |
2616 | /* Draw the empty space above the handle. Note that we can't clear |
2617 | zero-height areas; that means "clear to end of window." */ | |
2618 | if (0 < start) | |
334208b7 | 2619 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2620 | |
12ba150f | 2621 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2622 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2623 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2624 | inside_width, start, |
2625 | False); | |
f451eb13 | 2626 | |
12ba150f | 2627 | /* Draw the handle itself. */ |
334208b7 | 2628 | XFillRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 | 2629 | |
12ba150f | 2630 | /* x, y, width, height */ |
ab648270 JB |
2631 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2632 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2633 | inside_width, end - start); |
f451eb13 | 2634 | |
f451eb13 | 2635 | |
12ba150f JB |
2636 | /* Draw the empty space below the handle. Note that we can't |
2637 | clear zero-height areas; that means "clear to end of window." */ | |
2638 | if (end < inside_height) | |
334208b7 | 2639 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2640 | |
12ba150f | 2641 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2642 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2643 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2644 | inside_width, inside_height - end, |
2645 | False); | |
f451eb13 | 2646 | |
f451eb13 JB |
2647 | } |
2648 | ||
f451eb13 JB |
2649 | UNBLOCK_INPUT; |
2650 | } | |
2651 | ||
eb8c3be9 | 2652 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2653 | window configurations. */ |
f451eb13 | 2654 | static void |
ab648270 JB |
2655 | x_scroll_bar_move (bar, top, left, width, height) |
2656 | struct scroll_bar *bar; | |
f451eb13 JB |
2657 | int top, left, width, height; |
2658 | { | |
334208b7 RS |
2659 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2660 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2661 | ||
f451eb13 JB |
2662 | BLOCK_INPUT; |
2663 | ||
2664 | { | |
2665 | XWindowChanges wc; | |
2666 | unsigned int mask = 0; | |
2667 | ||
2668 | wc.x = left; | |
2669 | wc.y = top; | |
2670 | wc.width = width; | |
2671 | wc.height = height; | |
2672 | ||
12ba150f JB |
2673 | if (left != XINT (bar->left)) mask |= CWX; |
2674 | if (top != XINT (bar->top)) mask |= CWY; | |
2675 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2676 | if (height != XINT (bar->height)) mask |= CWHeight; | |
58769bee | 2677 | |
12ba150f | 2678 | if (mask) |
334208b7 | 2679 | XConfigureWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2680 | mask, &wc); |
f451eb13 JB |
2681 | } |
2682 | ||
e0c1aef2 KH |
2683 | XSETINT (bar->left, left); |
2684 | XSETINT (bar->top, top); | |
2685 | XSETINT (bar->width, width); | |
2686 | XSETINT (bar->height, height); | |
12ba150f | 2687 | |
f451eb13 JB |
2688 | UNBLOCK_INPUT; |
2689 | } | |
2690 | ||
ab648270 | 2691 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2692 | to nil. */ |
2693 | static void | |
ab648270 JB |
2694 | x_scroll_bar_remove (bar) |
2695 | struct scroll_bar *bar; | |
12ba150f JB |
2696 | { |
2697 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2698 | ||
2699 | BLOCK_INPUT; | |
2700 | ||
2701 | /* Destroy the window. */ | |
334208b7 | 2702 | XDestroyWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2703 | |
ab648270 JB |
2704 | /* Disassociate this scroll bar from its window. */ |
2705 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2706 | |
2707 | UNBLOCK_INPUT; | |
2708 | } | |
2709 | ||
2710 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2711 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2712 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2713 | create one. */ |
2714 | static void | |
ab648270 | 2715 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2716 | struct window *window; |
2717 | int portion, whole, position; | |
2718 | { | |
2719 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2720 | int top = XINT (window->top); |
ab648270 JB |
2721 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2722 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2723 | |
ab648270 | 2724 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2725 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2726 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
b2cad826 KH |
2727 | int pixel_width |
2728 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
2729 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
7556890b | 2730 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font))); |
ab648270 | 2731 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); |
f451eb13 | 2732 | |
ab648270 | 2733 | struct scroll_bar *bar; |
12ba150f | 2734 | |
ab648270 JB |
2735 | /* Does the scroll bar exist yet? */ |
2736 | if (NILP (window->vertical_scroll_bar)) | |
2737 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2738 | pixel_top, pixel_left, |
2739 | pixel_width, pixel_height); | |
2740 | else | |
12ba150f JB |
2741 | { |
2742 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2743 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2744 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2745 | } |
f451eb13 | 2746 | |
ab648270 | 2747 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2748 | dragged. */ |
12ba150f | 2749 | if (NILP (bar->dragging)) |
f451eb13 | 2750 | { |
0299d313 | 2751 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2752 | |
12ba150f | 2753 | if (whole == 0) |
ab648270 | 2754 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2755 | else |
2756 | { | |
43f868f5 JB |
2757 | int start = ((double) position * top_range) / whole; |
2758 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2759 | |
ab648270 | 2760 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2761 | } |
f451eb13 JB |
2762 | } |
2763 | ||
e0c1aef2 | 2764 | XSETVECTOR (window->vertical_scroll_bar, bar); |
f451eb13 JB |
2765 | } |
2766 | ||
12ba150f | 2767 | |
f451eb13 | 2768 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2769 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2770 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2771 | away is a real pain - "Can you say set-window-configuration, boys |
2772 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2773 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2774 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2775 | |
ab648270 JB |
2776 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2777 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2778 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
58769bee | 2779 | static void |
ab648270 | 2780 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2781 | FRAME_PTR frame; |
2782 | { | |
f9e24cb9 RS |
2783 | /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */ |
2784 | while (! NILP (FRAME_SCROLL_BARS (frame))) | |
2785 | { | |
2786 | Lisp_Object bar; | |
2787 | bar = FRAME_SCROLL_BARS (frame); | |
2788 | FRAME_SCROLL_BARS (frame) = XSCROLL_BAR (bar)->next; | |
2789 | XSCROLL_BAR (bar)->next = FRAME_CONDEMNED_SCROLL_BARS (frame); | |
2790 | XSCROLL_BAR (bar)->prev = Qnil; | |
2791 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
2792 | XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame))->prev = bar; | |
2793 | FRAME_CONDEMNED_SCROLL_BARS (frame) = bar; | |
2794 | } | |
f451eb13 JB |
2795 | } |
2796 | ||
ab648270 | 2797 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2798 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2799 | static void |
ab648270 | 2800 | XTredeem_scroll_bar (window) |
12ba150f | 2801 | struct window *window; |
f451eb13 | 2802 | { |
ab648270 | 2803 | struct scroll_bar *bar; |
12ba150f | 2804 | |
ab648270 JB |
2805 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2806 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2807 | abort (); |
2808 | ||
ab648270 | 2809 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2810 | |
2811 | /* Unlink it from the condemned list. */ | |
2812 | { | |
2813 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2814 | ||
2815 | if (NILP (bar->prev)) | |
2816 | { | |
2817 | /* If the prev pointer is nil, it must be the first in one of | |
2818 | the lists. */ | |
ab648270 | 2819 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2820 | /* It's not condemned. Everything's fine. */ |
2821 | return; | |
ab648270 JB |
2822 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2823 | window->vertical_scroll_bar)) | |
2824 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2825 | else |
2826 | /* If its prev pointer is nil, it must be at the front of | |
2827 | one or the other! */ | |
2828 | abort (); | |
2829 | } | |
2830 | else | |
ab648270 | 2831 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2832 | |
2833 | if (! NILP (bar->next)) | |
ab648270 | 2834 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2835 | |
ab648270 | 2836 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2837 | bar->prev = Qnil; |
e0c1aef2 | 2838 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2839 | if (! NILP (bar->next)) |
e0c1aef2 | 2840 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
12ba150f | 2841 | } |
f451eb13 JB |
2842 | } |
2843 | ||
ab648270 JB |
2844 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2845 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2846 | static void |
ab648270 | 2847 | XTjudge_scroll_bars (f) |
12ba150f | 2848 | FRAME_PTR f; |
f451eb13 | 2849 | { |
12ba150f | 2850 | Lisp_Object bar, next; |
f451eb13 | 2851 | |
ab648270 | 2852 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2853 | |
2854 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2855 | more events on the hapless scroll bars. */ |
2856 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2857 | |
2858 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2859 | { |
ab648270 | 2860 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2861 | |
ab648270 | 2862 | x_scroll_bar_remove (b); |
12ba150f JB |
2863 | |
2864 | next = b->next; | |
2865 | b->next = b->prev = Qnil; | |
f451eb13 | 2866 | } |
12ba150f | 2867 | |
ab648270 | 2868 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2869 | and they should get garbage-collected. */ |
f451eb13 JB |
2870 | } |
2871 | ||
2872 | ||
ab648270 JB |
2873 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2874 | ||
2875 | This may be called from a signal handler, so we have to ignore GC | |
2876 | mark bits. */ | |
f451eb13 | 2877 | static void |
ab648270 JB |
2878 | x_scroll_bar_expose (bar, event) |
2879 | struct scroll_bar *bar; | |
f451eb13 JB |
2880 | XEvent *event; |
2881 | { | |
ab648270 | 2882 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 | 2883 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7556890b | 2884 | GC gc = f->output_data.x->normal_gc; |
12ba150f | 2885 | |
f451eb13 JB |
2886 | BLOCK_INPUT; |
2887 | ||
ab648270 | 2888 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2889 | |
ab648270 | 2890 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
334208b7 | 2891 | XDrawRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 JB |
2892 | |
2893 | /* x, y, width, height */ | |
12ba150f | 2894 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2895 | |
f451eb13 JB |
2896 | UNBLOCK_INPUT; |
2897 | } | |
2898 | ||
ab648270 JB |
2899 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2900 | is set to something other than no_event, it is enqueued. | |
2901 | ||
2902 | This may be called from a signal handler, so we have to ignore GC | |
2903 | mark bits. */ | |
f451eb13 | 2904 | static void |
ab648270 JB |
2905 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2906 | struct scroll_bar *bar; | |
f451eb13 JB |
2907 | XEvent *event; |
2908 | struct input_event *emacs_event; | |
2909 | { | |
0299d313 | 2910 | if (! GC_WINDOWP (bar->window)) |
12ba150f JB |
2911 | abort (); |
2912 | ||
ab648270 | 2913 | emacs_event->kind = scroll_bar_click; |
69388238 | 2914 | emacs_event->code = event->xbutton.button - Button1; |
0299d313 RS |
2915 | emacs_event->modifiers |
2916 | = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO | |
2917 | (XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))), | |
2918 | event->xbutton.state) | |
2919 | | (event->type == ButtonRelease | |
2920 | ? up_modifier | |
2921 | : down_modifier)); | |
12ba150f | 2922 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2923 | emacs_event->timestamp = event->xbutton.time; |
12ba150f | 2924 | { |
0299d313 RS |
2925 | int internal_height |
2926 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2927 | int top_range | |
2928 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
ab648270 | 2929 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
2930 | |
2931 | if (y < 0) y = 0; | |
2932 | if (y > top_range) y = top_range; | |
2933 | ||
2934 | if (y < XINT (bar->start)) | |
ab648270 JB |
2935 | emacs_event->part = scroll_bar_above_handle; |
2936 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2937 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2938 | else |
ab648270 | 2939 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2940 | |
2941 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2942 | they want to drag it. Lisp code needs to be able to decide |
2943 | whether or not we're dragging. */ | |
929787e1 | 2944 | #if 0 |
12ba150f JB |
2945 | /* If the user has just clicked on the handle, record where they're |
2946 | holding it. */ | |
2947 | if (event->type == ButtonPress | |
ab648270 | 2948 | && emacs_event->part == scroll_bar_handle) |
e0c1aef2 | 2949 | XSETINT (bar->dragging, y - XINT (bar->start)); |
929787e1 | 2950 | #endif |
12ba150f JB |
2951 | |
2952 | /* If the user has released the handle, set it to its final position. */ | |
2953 | if (event->type == ButtonRelease | |
2954 | && ! NILP (bar->dragging)) | |
2955 | { | |
2956 | int new_start = y - XINT (bar->dragging); | |
2957 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2958 | |
ab648270 | 2959 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2960 | bar->dragging = Qnil; |
2961 | } | |
f451eb13 | 2962 | |
5116f055 JB |
2963 | /* Same deal here as the other #if 0. */ |
2964 | #if 0 | |
58769bee | 2965 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 2966 | the handle. */ |
ab648270 | 2967 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2968 | emacs_event->x = bar->start; |
2969 | else | |
e0c1aef2 | 2970 | XSETINT (emacs_event->x, y); |
5116f055 | 2971 | #else |
e0c1aef2 | 2972 | XSETINT (emacs_event->x, y); |
5116f055 | 2973 | #endif |
f451eb13 | 2974 | |
e0c1aef2 | 2975 | XSETINT (emacs_event->y, top_range); |
12ba150f JB |
2976 | } |
2977 | } | |
f451eb13 | 2978 | |
ab648270 JB |
2979 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2980 | ||
2981 | This may be called from a signal handler, so we have to ignore GC | |
2982 | mark bits. */ | |
f451eb13 | 2983 | static void |
ab648270 JB |
2984 | x_scroll_bar_note_movement (bar, event) |
2985 | struct scroll_bar *bar; | |
f451eb13 JB |
2986 | XEvent *event; |
2987 | { | |
39d8bb4d KH |
2988 | FRAME_PTR f = XFRAME (XWINDOW (bar->window)->frame); |
2989 | ||
f451eb13 JB |
2990 | last_mouse_movement_time = event->xmotion.time; |
2991 | ||
39d8bb4d | 2992 | f->mouse_moved = 1; |
e0c1aef2 | 2993 | XSETVECTOR (last_mouse_scroll_bar, bar); |
f451eb13 JB |
2994 | |
2995 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2996 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2997 | { |
2998 | /* Where should the handle be now? */ | |
12ba150f | 2999 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 3000 | |
12ba150f | 3001 | if (new_start != XINT (bar->start)) |
f451eb13 | 3002 | { |
12ba150f | 3003 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
58769bee | 3004 | |
ab648270 | 3005 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
3006 | } |
3007 | } | |
3008 | ||
3009 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
3010 | moves and we can see *still* on the same position. */ | |
3011 | { | |
3012 | int dummy; | |
847e150a | 3013 | Window dummy_window; |
58769bee | 3014 | |
f451eb13 | 3015 | XQueryPointer (event->xmotion.display, event->xmotion.window, |
847e150a | 3016 | &dummy_window, &dummy_window, |
f451eb13 JB |
3017 | &dummy, &dummy, &dummy, &dummy, |
3018 | (unsigned int *) &dummy); | |
3019 | } | |
3020 | } | |
3021 | ||
12ba150f | 3022 | /* Return information to the user about the current position of the mouse |
ab648270 | 3023 | on the scroll bar. */ |
12ba150f | 3024 | static void |
334208b7 RS |
3025 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
3026 | FRAME_PTR *fp; | |
12ba150f | 3027 | Lisp_Object *bar_window; |
ab648270 | 3028 | enum scroll_bar_part *part; |
12ba150f JB |
3029 | Lisp_Object *x, *y; |
3030 | unsigned long *time; | |
3031 | { | |
ab648270 | 3032 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
334208b7 RS |
3033 | Window w = SCROLL_BAR_X_WINDOW (bar); |
3034 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
12ba150f | 3035 | int win_x, win_y; |
559cb2fb JB |
3036 | Window dummy_window; |
3037 | int dummy_coord; | |
3038 | unsigned int dummy_mask; | |
12ba150f | 3039 | |
cf7cb199 JB |
3040 | BLOCK_INPUT; |
3041 | ||
ab648270 | 3042 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 3043 | report that. */ |
334208b7 | 3044 | if (! XQueryPointer (FRAME_X_DISPLAY (f), w, |
12ba150f | 3045 | |
559cb2fb JB |
3046 | /* Root, child, root x and root y. */ |
3047 | &dummy_window, &dummy_window, | |
3048 | &dummy_coord, &dummy_coord, | |
12ba150f | 3049 | |
559cb2fb JB |
3050 | /* Position relative to scroll bar. */ |
3051 | &win_x, &win_y, | |
12ba150f | 3052 | |
559cb2fb JB |
3053 | /* Mouse buttons and modifier keys. */ |
3054 | &dummy_mask)) | |
7a13e894 | 3055 | ; |
559cb2fb JB |
3056 | else |
3057 | { | |
3058 | int inside_height | |
3059 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
3060 | int top_range | |
3061 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
3062 | ||
3063 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
3064 | ||
3065 | if (! NILP (bar->dragging)) | |
3066 | win_y -= XINT (bar->dragging); | |
3067 | ||
3068 | if (win_y < 0) | |
3069 | win_y = 0; | |
3070 | if (win_y > top_range) | |
3071 | win_y = top_range; | |
3072 | ||
334208b7 | 3073 | *fp = f; |
7a13e894 | 3074 | *bar_window = bar->window; |
559cb2fb JB |
3075 | |
3076 | if (! NILP (bar->dragging)) | |
3077 | *part = scroll_bar_handle; | |
3078 | else if (win_y < XINT (bar->start)) | |
3079 | *part = scroll_bar_above_handle; | |
3080 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3081 | *part = scroll_bar_handle; | |
3082 | else | |
3083 | *part = scroll_bar_below_handle; | |
12ba150f | 3084 | |
e0c1aef2 KH |
3085 | XSETINT (*x, win_y); |
3086 | XSETINT (*y, top_range); | |
12ba150f | 3087 | |
39d8bb4d | 3088 | f->mouse_moved = 0; |
559cb2fb JB |
3089 | last_mouse_scroll_bar = Qnil; |
3090 | } | |
12ba150f | 3091 | |
559cb2fb | 3092 | *time = last_mouse_movement_time; |
cf7cb199 | 3093 | |
cf7cb199 | 3094 | UNBLOCK_INPUT; |
12ba150f JB |
3095 | } |
3096 | ||
f451eb13 | 3097 | |
dbc4e1c1 | 3098 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
3099 | background colors, and the scroll bars may need to be redrawn. |
3100 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
3101 | redraw them. */ |
3102 | ||
ab648270 | 3103 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
3104 | FRAME_PTR f; |
3105 | { | |
3106 | Lisp_Object bar; | |
3107 | ||
9bc4522e | 3108 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); |
ab648270 | 3109 | bar = XSCROLL_BAR (bar)->next) |
334208b7 | 3110 | XClearArea (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), |
dbc4e1c1 JB |
3111 | 0, 0, 0, 0, True); |
3112 | } | |
3113 | ||
3afe33e7 | 3114 | /* This processes Expose events from the menubar specific X event |
19126e11 | 3115 | loop in xmenu.c. This allows to redisplay the frame if necessary |
3afe33e7 RS |
3116 | when handling menubar or popup items. */ |
3117 | ||
3118 | void | |
3119 | process_expose_from_menu (event) | |
3120 | XEvent event; | |
3121 | { | |
3122 | FRAME_PTR f; | |
19126e11 | 3123 | struct x_display_info *dpyinfo; |
3afe33e7 | 3124 | |
f94397b5 KH |
3125 | BLOCK_INPUT; |
3126 | ||
19126e11 KH |
3127 | dpyinfo = x_display_info_for_display (event.xexpose.display); |
3128 | f = x_window_to_frame (dpyinfo, event.xexpose.window); | |
3afe33e7 RS |
3129 | if (f) |
3130 | { | |
3131 | if (f->async_visible == 0) | |
3132 | { | |
3133 | f->async_visible = 1; | |
3134 | f->async_iconified = 0; | |
3135 | SET_FRAME_GARBAGED (f); | |
3136 | } | |
3137 | else | |
3138 | { | |
19126e11 | 3139 | dumprectangle (x_window_to_frame (dpyinfo, event.xexpose.window), |
3afe33e7 RS |
3140 | event.xexpose.x, event.xexpose.y, |
3141 | event.xexpose.width, event.xexpose.height); | |
3142 | } | |
3143 | } | |
3144 | else | |
3145 | { | |
3146 | struct scroll_bar *bar | |
3147 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3148 | |
3afe33e7 RS |
3149 | if (bar) |
3150 | x_scroll_bar_expose (bar, &event); | |
3151 | } | |
f94397b5 KH |
3152 | |
3153 | UNBLOCK_INPUT; | |
3afe33e7 | 3154 | } |
09756a85 RS |
3155 | \f |
3156 | /* Define a queue to save up SelectionRequest events for later handling. */ | |
3157 | ||
3158 | struct selection_event_queue | |
3159 | { | |
3160 | XEvent event; | |
3161 | struct selection_event_queue *next; | |
3162 | }; | |
3163 | ||
3164 | static struct selection_event_queue *queue; | |
3165 | ||
3166 | /* Nonzero means queue up certain events--don't process them yet. */ | |
3167 | static int x_queue_selection_requests; | |
3168 | ||
3169 | /* Queue up an X event *EVENT, to be processed later. */ | |
dbc4e1c1 | 3170 | |
09756a85 | 3171 | static void |
334208b7 RS |
3172 | x_queue_event (f, event) |
3173 | FRAME_PTR f; | |
09756a85 RS |
3174 | XEvent *event; |
3175 | { | |
3176 | struct selection_event_queue *queue_tmp | |
3177 | = (struct selection_event_queue *) malloc (sizeof (struct selection_event_queue)); | |
3178 | ||
58769bee | 3179 | if (queue_tmp != NULL) |
09756a85 RS |
3180 | { |
3181 | queue_tmp->event = *event; | |
3182 | queue_tmp->next = queue; | |
3183 | queue = queue_tmp; | |
3184 | } | |
3185 | } | |
3186 | ||
3187 | /* Take all the queued events and put them back | |
3188 | so that they get processed afresh. */ | |
3189 | ||
3190 | static void | |
db3906fd RS |
3191 | x_unqueue_events (display) |
3192 | Display *display; | |
09756a85 | 3193 | { |
58769bee | 3194 | while (queue != NULL) |
09756a85 RS |
3195 | { |
3196 | struct selection_event_queue *queue_tmp = queue; | |
db3906fd | 3197 | XPutBackEvent (display, &queue_tmp->event); |
09756a85 RS |
3198 | queue = queue_tmp->next; |
3199 | free ((char *)queue_tmp); | |
3200 | } | |
3201 | } | |
3202 | ||
3203 | /* Start queuing SelectionRequest events. */ | |
3204 | ||
3205 | void | |
db3906fd RS |
3206 | x_start_queuing_selection_requests (display) |
3207 | Display *display; | |
09756a85 RS |
3208 | { |
3209 | x_queue_selection_requests++; | |
3210 | } | |
3211 | ||
3212 | /* Stop queuing SelectionRequest events. */ | |
3213 | ||
3214 | void | |
db3906fd RS |
3215 | x_stop_queuing_selection_requests (display) |
3216 | Display *display; | |
09756a85 RS |
3217 | { |
3218 | x_queue_selection_requests--; | |
db3906fd | 3219 | x_unqueue_events (display); |
09756a85 | 3220 | } |
f451eb13 JB |
3221 | \f |
3222 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3223 | |
dc6f92b8 JB |
3224 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3225 | but we have to put it out here, since static variables within functions | |
3226 | sometimes don't work. */ | |
3227 | static Time enter_timestamp; | |
3228 | ||
11edeb03 | 3229 | /* This holds the state XLookupString needs to implement dead keys |
58769bee | 3230 | and other tricks known as "compose processing". _X Window System_ |
11edeb03 JB |
3231 | says that a portable program can't use this, but Stephen Gildea assures |
3232 | me that letting the compiler initialize it to zeros will work okay. | |
3233 | ||
3234 | This must be defined outside of XTread_socket, for the same reasons | |
3235 | given for enter_timestamp, above. */ | |
3236 | static XComposeStatus compose_status; | |
3237 | ||
10e6549c RS |
3238 | /* Record the last 100 characters stored |
3239 | to help debug the loss-of-chars-during-GC problem. */ | |
2224b905 RS |
3240 | static int temp_index; |
3241 | static short temp_buffer[100]; | |
10e6549c | 3242 | |
7a13e894 RS |
3243 | /* Set this to nonzero to fake an "X I/O error" |
3244 | on a particular display. */ | |
3245 | struct x_display_info *XTread_socket_fake_io_error; | |
3246 | ||
2224b905 RS |
3247 | /* When we find no input here, we occasionally do a no-op command |
3248 | to verify that the X server is still running and we can still talk with it. | |
3249 | We try all the open displays, one by one. | |
3250 | This variable is used for cycling thru the displays. */ | |
3251 | static struct x_display_info *next_noop_dpyinfo; | |
3252 | ||
dc6f92b8 JB |
3253 | /* Read events coming from the X server. |
3254 | This routine is called by the SIGIO handler. | |
3255 | We return as soon as there are no more events to be read. | |
3256 | ||
3257 | Events representing keys are stored in buffer BUFP, | |
3258 | which can hold up to NUMCHARS characters. | |
3259 | We return the number of characters stored into the buffer, | |
3260 | thus pretending to be `read'. | |
3261 | ||
3262 | WAITP is nonzero if we should block until input arrives. | |
3263 | EXPECTED is nonzero if the caller knows input is available. */ | |
3264 | ||
7c5283e4 | 3265 | int |
dc6f92b8 JB |
3266 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3267 | register int sd; | |
3268 | register struct input_event *bufp; | |
3269 | register int numchars; | |
3270 | int waitp; | |
3271 | int expected; | |
3272 | { | |
3273 | int count = 0; | |
3274 | int nbytes = 0; | |
3275 | int mask; | |
3276 | int items_pending; /* How many items are in the X queue. */ | |
3277 | XEvent event; | |
f676886a | 3278 | struct frame *f; |
66f55a9d | 3279 | int event_found = 0; |
dc6f92b8 JB |
3280 | int prefix; |
3281 | Lisp_Object part; | |
334208b7 | 3282 | struct x_display_info *dpyinfo; |
6c183ba5 RS |
3283 | #ifdef HAVE_X_I18N |
3284 | Status status_return; | |
3285 | #endif | |
dc6f92b8 | 3286 | |
9ac0d9e0 | 3287 | if (interrupt_input_blocked) |
dc6f92b8 | 3288 | { |
9ac0d9e0 | 3289 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3290 | return -1; |
3291 | } | |
3292 | ||
9ac0d9e0 | 3293 | interrupt_input_pending = 0; |
dc6f92b8 | 3294 | BLOCK_INPUT; |
c0a04927 RS |
3295 | |
3296 | /* So people can tell when we have read the available input. */ | |
3297 | input_signal_count++; | |
3298 | ||
dc6f92b8 JB |
3299 | if (numchars <= 0) |
3300 | abort (); /* Don't think this happens. */ | |
3301 | ||
7a13e894 RS |
3302 | /* Find the display we are supposed to read input for. |
3303 | It's the one communicating on descriptor SD. */ | |
3304 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
3305 | { | |
3306 | #if 0 /* This ought to be unnecessary; let's verify it. */ | |
dc6f92b8 | 3307 | #ifdef FIOSNBIO |
7a13e894 RS |
3308 | /* If available, Xlib uses FIOSNBIO to make the socket |
3309 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
e6cbea31 | 3310 | FIOSNBIO is ignored, and instead of signaling EWOULDBLOCK, |
7a13e894 RS |
3311 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ |
3312 | fcntl (dpyinfo->connection, F_SETFL, 0); | |
c118dd06 | 3313 | #endif /* ! defined (FIOSNBIO) */ |
7a13e894 | 3314 | #endif |
dc6f92b8 | 3315 | |
7a13e894 RS |
3316 | #if 0 /* This code can't be made to work, with multiple displays, |
3317 | and appears not to be used on any system any more. | |
3318 | Also keyboard.c doesn't turn O_NDELAY on and off | |
3319 | for X connections. */ | |
dc6f92b8 JB |
3320 | #ifndef SIGIO |
3321 | #ifndef HAVE_SELECT | |
7a13e894 RS |
3322 | if (! (fcntl (dpyinfo->connection, F_GETFL, 0) & O_NDELAY)) |
3323 | { | |
3324 | extern int read_alarm_should_throw; | |
3325 | read_alarm_should_throw = 1; | |
3326 | XPeekEvent (dpyinfo->display, &event); | |
3327 | read_alarm_should_throw = 0; | |
3328 | } | |
c118dd06 JB |
3329 | #endif /* HAVE_SELECT */ |
3330 | #endif /* SIGIO */ | |
7a13e894 | 3331 | #endif |
dc6f92b8 | 3332 | |
7a13e894 RS |
3333 | /* For debugging, this gives a way to fake an I/O error. */ |
3334 | if (dpyinfo == XTread_socket_fake_io_error) | |
3335 | { | |
3336 | XTread_socket_fake_io_error = 0; | |
3337 | x_io_error_quitter (dpyinfo->display); | |
3338 | } | |
dc6f92b8 | 3339 | |
7a13e894 | 3340 | while (XPending (dpyinfo->display) != 0) |
dc6f92b8 | 3341 | { |
7a13e894 RS |
3342 | XNextEvent (dpyinfo->display, &event); |
3343 | event_found = 1; | |
3344 | ||
3345 | switch (event.type) | |
3346 | { | |
3347 | case ClientMessage: | |
c047688c | 3348 | { |
7a13e894 RS |
3349 | if (event.xclient.message_type |
3350 | == dpyinfo->Xatom_wm_protocols | |
3351 | && event.xclient.format == 32) | |
c047688c | 3352 | { |
7a13e894 RS |
3353 | if (event.xclient.data.l[0] |
3354 | == dpyinfo->Xatom_wm_take_focus) | |
c047688c | 3355 | { |
19126e11 | 3356 | f = x_window_to_frame (dpyinfo, event.xclient.window); |
7a13e894 RS |
3357 | /* Since we set WM_TAKE_FOCUS, we must call |
3358 | XSetInputFocus explicitly. But not if f is null, | |
3359 | since that might be an event for a deleted frame. */ | |
6c183ba5 RS |
3360 | #ifdef HAVE_X_I18N |
3361 | /* Not quite sure this is needed -pd */ | |
3362 | if (f) | |
3363 | XSetICFocus (FRAME_XIC (f)); | |
3364 | #endif | |
7a13e894 RS |
3365 | if (f) |
3366 | XSetInputFocus (event.xclient.display, | |
3367 | event.xclient.window, | |
3368 | RevertToPointerRoot, | |
3369 | event.xclient.data.l[1]); | |
3370 | /* Not certain about handling scroll bars here */ | |
c047688c | 3371 | } |
7a13e894 RS |
3372 | else if (event.xclient.data.l[0] |
3373 | == dpyinfo->Xatom_wm_save_yourself) | |
3374 | { | |
3375 | /* Save state modify the WM_COMMAND property to | |
3376 | something which can reinstate us. This notifies | |
3377 | the session manager, who's looking for such a | |
3378 | PropertyNotify. Can restart processing when | |
3379 | a keyboard or mouse event arrives. */ | |
3380 | if (numchars > 0) | |
3381 | { | |
19126e11 KH |
3382 | f = x_top_window_to_frame (dpyinfo, |
3383 | event.xclient.window); | |
7a13e894 RS |
3384 | |
3385 | /* This is just so we only give real data once | |
3386 | for a single Emacs process. */ | |
3387 | if (f == selected_frame) | |
3388 | XSetCommand (FRAME_X_DISPLAY (f), | |
3389 | event.xclient.window, | |
3390 | initial_argv, initial_argc); | |
3391 | else | |
3392 | XSetCommand (FRAME_X_DISPLAY (f), | |
3393 | event.xclient.window, | |
3394 | 0, 0); | |
3395 | } | |
3396 | } | |
3397 | else if (event.xclient.data.l[0] | |
3398 | == dpyinfo->Xatom_wm_delete_window) | |
1fb20991 | 3399 | { |
19126e11 KH |
3400 | struct frame *f |
3401 | = x_any_window_to_frame (dpyinfo, | |
3402 | event.xclient.window); | |
1fb20991 | 3403 | |
7a13e894 RS |
3404 | if (f) |
3405 | { | |
3406 | if (numchars == 0) | |
3407 | abort (); | |
1fb20991 | 3408 | |
7a13e894 RS |
3409 | bufp->kind = delete_window_event; |
3410 | XSETFRAME (bufp->frame_or_window, f); | |
3411 | bufp++; | |
3412 | ||
3413 | count += 1; | |
3414 | numchars -= 1; | |
3415 | } | |
1fb20991 | 3416 | } |
c047688c | 3417 | } |
7a13e894 RS |
3418 | else if (event.xclient.message_type |
3419 | == dpyinfo->Xatom_wm_configure_denied) | |
3420 | { | |
3421 | } | |
3422 | else if (event.xclient.message_type | |
3423 | == dpyinfo->Xatom_wm_window_moved) | |
3424 | { | |
3425 | int new_x, new_y; | |
19126e11 KH |
3426 | struct frame *f |
3427 | = x_window_to_frame (dpyinfo, event.xclient.window); | |
58769bee | 3428 | |
7a13e894 RS |
3429 | new_x = event.xclient.data.s[0]; |
3430 | new_y = event.xclient.data.s[1]; | |
1fb20991 | 3431 | |
7a13e894 RS |
3432 | if (f) |
3433 | { | |
7556890b RS |
3434 | f->output_data.x->left_pos = new_x; |
3435 | f->output_data.x->top_pos = new_y; | |
7a13e894 | 3436 | } |
1fb20991 | 3437 | } |
0fdff6bb | 3438 | #ifdef HACK_EDITRES |
7a13e894 RS |
3439 | else if (event.xclient.message_type |
3440 | == dpyinfo->Xatom_editres) | |
3441 | { | |
19126e11 KH |
3442 | struct frame *f |
3443 | = x_any_window_to_frame (dpyinfo, event.xclient.window); | |
7556890b | 3444 | _XEditResCheckMessages (f->output_data.x->widget, NULL, |
19126e11 | 3445 | &event, NULL); |
7a13e894 | 3446 | } |
0fdff6bb | 3447 | #endif /* HACK_EDITRES */ |
7a13e894 RS |
3448 | } |
3449 | break; | |
dc6f92b8 | 3450 | |
7a13e894 | 3451 | case SelectionNotify: |
3afe33e7 | 3452 | #ifdef USE_X_TOOLKIT |
19126e11 | 3453 | if (! x_window_to_frame (dpyinfo, event.xselection.requestor)) |
7a13e894 | 3454 | goto OTHER; |
3afe33e7 | 3455 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3456 | x_handle_selection_notify (&event); |
3457 | break; | |
d56a553a | 3458 | |
7a13e894 | 3459 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3460 | #ifdef USE_X_TOOLKIT |
19126e11 | 3461 | if (! x_window_to_frame (dpyinfo, event.xselectionclear.window)) |
7a13e894 | 3462 | goto OTHER; |
3afe33e7 | 3463 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3464 | { |
3465 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
d56a553a | 3466 | |
7a13e894 RS |
3467 | if (numchars == 0) |
3468 | abort (); | |
d56a553a | 3469 | |
7a13e894 RS |
3470 | bufp->kind = selection_clear_event; |
3471 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3472 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3473 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
e6cbea31 | 3474 | bufp->frame_or_window = Qnil; |
7a13e894 | 3475 | bufp++; |
d56a553a | 3476 | |
7a13e894 RS |
3477 | count += 1; |
3478 | numchars -= 1; | |
3479 | } | |
3480 | break; | |
dc6f92b8 | 3481 | |
7a13e894 | 3482 | case SelectionRequest: /* Someone wants our selection. */ |
3afe33e7 | 3483 | #ifdef USE_X_TOOLKIT |
19126e11 | 3484 | if (!x_window_to_frame (dpyinfo, event.xselectionrequest.owner)) |
7a13e894 | 3485 | goto OTHER; |
3afe33e7 | 3486 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3487 | if (x_queue_selection_requests) |
19126e11 | 3488 | x_queue_event (x_window_to_frame (dpyinfo, event.xselectionrequest.owner), |
7a13e894 RS |
3489 | &event); |
3490 | else | |
3491 | { | |
3492 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
dc6f92b8 | 3493 | |
7a13e894 RS |
3494 | if (numchars == 0) |
3495 | abort (); | |
3496 | ||
3497 | bufp->kind = selection_request_event; | |
3498 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3499 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3500 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3501 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3502 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3503 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
e6cbea31 | 3504 | bufp->frame_or_window = Qnil; |
7a13e894 RS |
3505 | bufp++; |
3506 | ||
3507 | count += 1; | |
3508 | numchars -= 1; | |
3509 | } | |
3510 | break; | |
3511 | ||
3512 | case PropertyNotify: | |
3afe33e7 | 3513 | #ifdef USE_X_TOOLKIT |
19126e11 | 3514 | if (!x_any_window_to_frame (dpyinfo, event.xproperty.window)) |
7a13e894 | 3515 | goto OTHER; |
3afe33e7 | 3516 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3517 | x_handle_property_notify (&event); |
3518 | break; | |
dc6f92b8 | 3519 | |
7a13e894 | 3520 | case ReparentNotify: |
19126e11 | 3521 | f = x_top_window_to_frame (dpyinfo, event.xreparent.window); |
7a13e894 RS |
3522 | if (f) |
3523 | { | |
3524 | int x, y; | |
7556890b | 3525 | f->output_data.x->parent_desc = event.xreparent.parent; |
7a13e894 | 3526 | x_real_positions (f, &x, &y); |
7556890b RS |
3527 | f->output_data.x->left_pos = x; |
3528 | f->output_data.x->top_pos = y; | |
7a13e894 RS |
3529 | } |
3530 | break; | |
3bd330d4 | 3531 | |
7a13e894 | 3532 | case Expose: |
19126e11 | 3533 | f = x_window_to_frame (dpyinfo, event.xexpose.window); |
7a13e894 | 3534 | if (f) |
dc6f92b8 | 3535 | { |
7a13e894 RS |
3536 | if (f->async_visible == 0) |
3537 | { | |
3538 | f->async_visible = 1; | |
3539 | f->async_iconified = 0; | |
3540 | SET_FRAME_GARBAGED (f); | |
3541 | } | |
3542 | else | |
19126e11 KH |
3543 | dumprectangle (x_window_to_frame (dpyinfo, |
3544 | event.xexpose.window), | |
7a13e894 RS |
3545 | event.xexpose.x, event.xexpose.y, |
3546 | event.xexpose.width, event.xexpose.height); | |
dc6f92b8 JB |
3547 | } |
3548 | else | |
7a13e894 RS |
3549 | { |
3550 | struct scroll_bar *bar | |
3551 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3552 | |
7a13e894 RS |
3553 | if (bar) |
3554 | x_scroll_bar_expose (bar, &event); | |
3afe33e7 | 3555 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3556 | else |
3557 | goto OTHER; | |
3afe33e7 | 3558 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3559 | } |
3560 | break; | |
dc6f92b8 | 3561 | |
7a13e894 RS |
3562 | case GraphicsExpose: /* This occurs when an XCopyArea's |
3563 | source area was obscured or not | |
3564 | available.*/ | |
19126e11 | 3565 | f = x_window_to_frame (dpyinfo, event.xgraphicsexpose.drawable); |
7a13e894 RS |
3566 | if (f) |
3567 | { | |
3568 | dumprectangle (f, | |
3569 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3570 | event.xgraphicsexpose.width, | |
3571 | event.xgraphicsexpose.height); | |
3572 | } | |
3afe33e7 | 3573 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3574 | else |
3575 | goto OTHER; | |
3afe33e7 | 3576 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3577 | break; |
dc6f92b8 | 3578 | |
7a13e894 RS |
3579 | case NoExpose: /* This occurs when an XCopyArea's |
3580 | source area was completely | |
3581 | available */ | |
3582 | break; | |
dc6f92b8 | 3583 | |
7a13e894 | 3584 | case UnmapNotify: |
91ea2a7a | 3585 | f = x_top_window_to_frame (dpyinfo, event.xunmap.window); |
7a13e894 RS |
3586 | if (f) /* F may no longer exist if |
3587 | the frame was deleted. */ | |
3588 | { | |
3589 | /* While a frame is unmapped, display generation is | |
3590 | disabled; you don't want to spend time updating a | |
3591 | display that won't ever be seen. */ | |
3592 | f->async_visible = 0; | |
3593 | /* We can't distinguish, from the event, whether the window | |
3594 | has become iconified or invisible. So assume, if it | |
3595 | was previously visible, than now it is iconified. | |
3596 | We depend on x_make_frame_invisible to mark it iconified. */ | |
3597 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) | |
3598 | f->async_iconified = 1; | |
bddd097c KH |
3599 | |
3600 | bufp->kind = iconify_event; | |
3601 | XSETFRAME (bufp->frame_or_window, f); | |
3602 | bufp++; | |
3603 | count++; | |
3604 | numchars--; | |
7a13e894 | 3605 | } |
7a13e894 | 3606 | goto OTHER; |
dc6f92b8 | 3607 | |
7a13e894 RS |
3608 | case MapNotify: |
3609 | /* We use x_top_window_to_frame because map events can come | |
3610 | for subwindows and they don't mean that the frame is visible. */ | |
19126e11 | 3611 | f = x_top_window_to_frame (dpyinfo, event.xmap.window); |
7a13e894 RS |
3612 | if (f) |
3613 | { | |
3614 | f->async_visible = 1; | |
3615 | f->async_iconified = 0; | |
dc6f92b8 | 3616 | |
7a13e894 RS |
3617 | /* wait_reading_process_input will notice this and update |
3618 | the frame's display structures. */ | |
3619 | SET_FRAME_GARBAGED (f); | |
bddd097c | 3620 | |
d806e720 RS |
3621 | if (f->iconified) |
3622 | { | |
3623 | bufp->kind = deiconify_event; | |
3624 | XSETFRAME (bufp->frame_or_window, f); | |
3625 | bufp++; | |
3626 | count++; | |
3627 | numchars--; | |
3628 | } | |
78aa2ba5 KH |
3629 | else |
3630 | /* Force a redisplay sooner or later | |
3631 | to update the frame titles | |
3632 | in case this is the second frame. */ | |
3633 | record_asynch_buffer_change (); | |
7a13e894 | 3634 | } |
7a13e894 | 3635 | goto OTHER; |
dc6f92b8 | 3636 | |
7a13e894 RS |
3637 | /* Turn off processing if we become fully obscured. */ |
3638 | case VisibilityNotify: | |
3639 | break; | |
dc6f92b8 | 3640 | |
7a13e894 | 3641 | case KeyPress: |
19126e11 | 3642 | f = x_any_window_to_frame (dpyinfo, event.xkey.window); |
f451eb13 | 3643 | |
7a13e894 RS |
3644 | if (f != 0) |
3645 | { | |
3646 | KeySym keysym, orig_keysym; | |
3647 | /* al%imercury@uunet.uu.net says that making this 81 instead of | |
3648 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3649 | unsigned char copy_buffer[81]; | |
3650 | int modifiers; | |
64bb1782 | 3651 | |
7a13e894 RS |
3652 | event.xkey.state |
3653 | |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3654 | extra_keyboard_modifiers); | |
3655 | modifiers = event.xkey.state; | |
3a2712f9 | 3656 | |
7a13e894 | 3657 | /* This will have to go some day... */ |
752a043f | 3658 | |
7a13e894 RS |
3659 | /* make_lispy_event turns chars into control chars. |
3660 | Don't do it here because XLookupString is too eager. */ | |
3661 | event.xkey.state &= ~ControlMask; | |
5d46f928 RS |
3662 | event.xkey.state &= ~(dpyinfo->meta_mod_mask |
3663 | | dpyinfo->super_mod_mask | |
3664 | | dpyinfo->hyper_mod_mask | |
3665 | | dpyinfo->alt_mod_mask); | |
3666 | ||
6c183ba5 RS |
3667 | #ifdef HAVE_X_I18N |
3668 | if (FRAME_XIC (f)) | |
3669 | { | |
3670 | /* The necessity of the following line took me | |
3671 | a full work-day to decipher from the docs!! */ | |
3672 | if (XFilterEvent (&event, None)) | |
3673 | break; | |
3674 | nbytes = XmbLookupString (FRAME_XIC (f), | |
3675 | &event.xkey, copy_buffer, | |
3676 | 80, &keysym, | |
3677 | &status_return); | |
3678 | } | |
3679 | else | |
3680 | nbytes = XLookupString (&event.xkey, copy_buffer, | |
3681 | 80, &keysym, &compose_status); | |
3682 | #else | |
0299d313 RS |
3683 | nbytes = XLookupString (&event.xkey, copy_buffer, |
3684 | 80, &keysym, &compose_status); | |
6c183ba5 | 3685 | #endif |
dc6f92b8 | 3686 | |
7a13e894 | 3687 | orig_keysym = keysym; |
55123275 | 3688 | |
7a13e894 RS |
3689 | if (numchars > 1) |
3690 | { | |
3691 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) | |
3692 | || keysym == XK_Delete | |
3693 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3694 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3695 | #ifdef HPUX |
7a13e894 RS |
3696 | /* This recognizes the "extended function keys". |
3697 | It seems there's no cleaner way. | |
3698 | Test IsModifierKey to avoid handling mode_switch | |
3699 | incorrectly. */ | |
3700 | || ((unsigned) (keysym) >= XK_Select | |
3701 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3702 | #endif |
3703 | #ifdef XK_dead_circumflex | |
7a13e894 | 3704 | || orig_keysym == XK_dead_circumflex |
69388238 RS |
3705 | #endif |
3706 | #ifdef XK_dead_grave | |
7a13e894 | 3707 | || orig_keysym == XK_dead_grave |
69388238 RS |
3708 | #endif |
3709 | #ifdef XK_dead_tilde | |
7a13e894 | 3710 | || orig_keysym == XK_dead_tilde |
69388238 RS |
3711 | #endif |
3712 | #ifdef XK_dead_diaeresis | |
7a13e894 | 3713 | || orig_keysym == XK_dead_diaeresis |
69388238 RS |
3714 | #endif |
3715 | #ifdef XK_dead_macron | |
7a13e894 | 3716 | || orig_keysym == XK_dead_macron |
69388238 RS |
3717 | #endif |
3718 | #ifdef XK_dead_degree | |
7a13e894 | 3719 | || orig_keysym == XK_dead_degree |
69388238 RS |
3720 | #endif |
3721 | #ifdef XK_dead_acute | |
7a13e894 | 3722 | || orig_keysym == XK_dead_acute |
69388238 RS |
3723 | #endif |
3724 | #ifdef XK_dead_cedilla | |
7a13e894 | 3725 | || orig_keysym == XK_dead_cedilla |
69388238 RS |
3726 | #endif |
3727 | #ifdef XK_dead_breve | |
7a13e894 | 3728 | || orig_keysym == XK_dead_breve |
69388238 RS |
3729 | #endif |
3730 | #ifdef XK_dead_ogonek | |
7a13e894 | 3731 | || orig_keysym == XK_dead_ogonek |
69388238 RS |
3732 | #endif |
3733 | #ifdef XK_dead_caron | |
7a13e894 | 3734 | || orig_keysym == XK_dead_caron |
69388238 RS |
3735 | #endif |
3736 | #ifdef XK_dead_doubleacute | |
7a13e894 | 3737 | || orig_keysym == XK_dead_doubleacute |
69388238 RS |
3738 | #endif |
3739 | #ifdef XK_dead_abovedot | |
7a13e894 | 3740 | || orig_keysym == XK_dead_abovedot |
c34790e0 | 3741 | #endif |
7a13e894 RS |
3742 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3743 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
3744 | /* Any "vendor-specific" key is ok. */ | |
3745 | || (orig_keysym & (1 << 28))) | |
3746 | && ! (IsModifierKey (orig_keysym) | |
7719aa06 RS |
3747 | #ifndef HAVE_X11R5 |
3748 | #ifdef XK_Mode_switch | |
7a13e894 | 3749 | || ((unsigned)(orig_keysym) == XK_Mode_switch) |
7719aa06 RS |
3750 | #endif |
3751 | #ifdef XK_Num_Lock | |
7a13e894 | 3752 | || ((unsigned)(orig_keysym) == XK_Num_Lock) |
7719aa06 RS |
3753 | #endif |
3754 | #endif /* not HAVE_X11R5 */ | |
7a13e894 | 3755 | )) |
dc6f92b8 | 3756 | { |
10e6549c RS |
3757 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3758 | temp_index = 0; | |
7a13e894 RS |
3759 | temp_buffer[temp_index++] = keysym; |
3760 | bufp->kind = non_ascii_keystroke; | |
3761 | bufp->code = keysym; | |
e0c1aef2 | 3762 | XSETFRAME (bufp->frame_or_window, f); |
334208b7 RS |
3763 | bufp->modifiers |
3764 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3765 | modifiers); | |
1113d9db | 3766 | bufp->timestamp = event.xkey.time; |
dc6f92b8 | 3767 | bufp++; |
7a13e894 RS |
3768 | count++; |
3769 | numchars--; | |
dc6f92b8 | 3770 | } |
7a13e894 RS |
3771 | else if (numchars > nbytes) |
3772 | { | |
3773 | register int i; | |
3774 | ||
3775 | for (i = 0; i < nbytes; i++) | |
3776 | { | |
3777 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
3778 | temp_index = 0; | |
3779 | temp_buffer[temp_index++] = copy_buffer[i]; | |
3780 | bufp->kind = ascii_keystroke; | |
3781 | bufp->code = copy_buffer[i]; | |
3782 | XSETFRAME (bufp->frame_or_window, f); | |
3783 | bufp->modifiers | |
3784 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3785 | modifiers); | |
3786 | bufp->timestamp = event.xkey.time; | |
3787 | bufp++; | |
3788 | } | |
3789 | ||
3790 | count += nbytes; | |
3791 | numchars -= nbytes; | |
3792 | } | |
3793 | else | |
3794 | abort (); | |
dc6f92b8 | 3795 | } |
10e6549c RS |
3796 | else |
3797 | abort (); | |
dc6f92b8 | 3798 | } |
717ca130 | 3799 | goto OTHER; |
f451eb13 | 3800 | |
7a13e894 RS |
3801 | /* Here's a possible interpretation of the whole |
3802 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3803 | FocusIn event, you have to get a FocusOut event before you | |
3804 | relinquish the focus. If you haven't received a FocusIn event, | |
3805 | then a mere LeaveNotify is enough to free you. */ | |
f451eb13 | 3806 | |
7a13e894 | 3807 | case EnterNotify: |
19126e11 | 3808 | f = x_any_window_to_frame (dpyinfo, event.xcrossing.window); |
6d4238f3 | 3809 | |
7a13e894 | 3810 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3811 | { |
7a13e894 RS |
3812 | /* Avoid nasty pop/raise loops. */ |
3813 | if (f && (!(f->auto_raise) | |
3814 | || !(f->auto_lower) | |
3815 | || (event.xcrossing.time - enter_timestamp) > 500)) | |
3816 | { | |
0f941935 | 3817 | x_new_focus_frame (dpyinfo, f); |
7a13e894 RS |
3818 | enter_timestamp = event.xcrossing.time; |
3819 | } | |
dc6f92b8 | 3820 | } |
0f941935 KH |
3821 | else if (f == dpyinfo->x_focus_frame) |
3822 | x_new_focus_frame (dpyinfo, 0); | |
7a13e894 RS |
3823 | /* EnterNotify counts as mouse movement, |
3824 | so update things that depend on mouse position. */ | |
3825 | if (f) | |
3826 | note_mouse_movement (f, &event.xmotion); | |
7a13e894 | 3827 | goto OTHER; |
dc6f92b8 | 3828 | |
7a13e894 | 3829 | case FocusIn: |
19126e11 | 3830 | f = x_any_window_to_frame (dpyinfo, event.xfocus.window); |
7a13e894 | 3831 | if (event.xfocus.detail != NotifyPointer) |
0f941935 | 3832 | dpyinfo->x_focus_event_frame = f; |
7a13e894 | 3833 | if (f) |
0f941935 | 3834 | x_new_focus_frame (dpyinfo, f); |
f9e24cb9 | 3835 | |
6c183ba5 RS |
3836 | #ifdef HAVE_X_I18N |
3837 | if (f && FRAME_XIC (f)) | |
3838 | XSetICFocus (FRAME_XIC (f)); | |
3839 | #endif | |
3840 | ||
7a13e894 | 3841 | goto OTHER; |
10c5e63d | 3842 | |
7a13e894 | 3843 | case LeaveNotify: |
19126e11 | 3844 | f = x_top_window_to_frame (dpyinfo, event.xcrossing.window); |
7a13e894 | 3845 | if (f) |
10c5e63d | 3846 | { |
7a13e894 RS |
3847 | if (f == dpyinfo->mouse_face_mouse_frame) |
3848 | /* If we move outside the frame, | |
3849 | then we're certainly no longer on any text in the frame. */ | |
3850 | clear_mouse_face (dpyinfo); | |
3851 | ||
3852 | if (event.xcrossing.focus) | |
0f941935 | 3853 | x_mouse_leave (dpyinfo); |
10c5e63d | 3854 | else |
7a13e894 | 3855 | { |
0f941935 KH |
3856 | if (f == dpyinfo->x_focus_event_frame) |
3857 | dpyinfo->x_focus_event_frame = 0; | |
3858 | if (f == dpyinfo->x_focus_frame) | |
3859 | x_new_focus_frame (dpyinfo, 0); | |
7a13e894 | 3860 | } |
10c5e63d | 3861 | } |
7a13e894 | 3862 | goto OTHER; |
dc6f92b8 | 3863 | |
7a13e894 | 3864 | case FocusOut: |
19126e11 | 3865 | f = x_any_window_to_frame (dpyinfo, event.xfocus.window); |
7a13e894 | 3866 | if (event.xfocus.detail != NotifyPointer |
0f941935 KH |
3867 | && f == dpyinfo->x_focus_event_frame) |
3868 | dpyinfo->x_focus_event_frame = 0; | |
3869 | if (f && f == dpyinfo->x_focus_frame) | |
3870 | x_new_focus_frame (dpyinfo, 0); | |
f9e24cb9 | 3871 | |
6c183ba5 RS |
3872 | #ifdef HAVE_X_I18N |
3873 | if (f && FRAME_XIC (f)) | |
3874 | XUnsetICFocus (FRAME_XIC (f)); | |
3875 | #endif | |
3876 | ||
7a13e894 | 3877 | goto OTHER; |
dc6f92b8 | 3878 | |
7a13e894 | 3879 | case MotionNotify: |
dc6f92b8 | 3880 | { |
7a13e894 RS |
3881 | if (dpyinfo->grabbed && last_mouse_frame |
3882 | && FRAME_LIVE_P (last_mouse_frame)) | |
3883 | f = last_mouse_frame; | |
3884 | else | |
19126e11 | 3885 | f = x_window_to_frame (dpyinfo, event.xmotion.window); |
7a13e894 RS |
3886 | if (f) |
3887 | note_mouse_movement (f, &event.xmotion); | |
3888 | else | |
3889 | { | |
3890 | struct scroll_bar *bar | |
3891 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 | 3892 | |
7a13e894 RS |
3893 | if (bar) |
3894 | x_scroll_bar_note_movement (bar, &event); | |
b8009dd1 | 3895 | |
7a13e894 RS |
3896 | /* If we move outside the frame, |
3897 | then we're certainly no longer on any text in the frame. */ | |
3898 | clear_mouse_face (dpyinfo); | |
3899 | } | |
dc6f92b8 | 3900 | } |
7a13e894 | 3901 | goto OTHER; |
dc6f92b8 | 3902 | |
7a13e894 | 3903 | case ConfigureNotify: |
19126e11 | 3904 | f = x_any_window_to_frame (dpyinfo, event.xconfigure.window); |
7a13e894 | 3905 | if (f |
2d7fc7e8 | 3906 | #ifdef USE_X_TOOLKIT |
7556890b | 3907 | && (event.xconfigure.window == XtWindow (f->output_data.x->widget)) |
3a35ab44 | 3908 | #endif |
2d7fc7e8 | 3909 | ) |
af395ec1 | 3910 | { |
2d7fc7e8 RS |
3911 | #ifndef USE_X_TOOLKIT |
3912 | /* In the toolkit version, change_frame_size | |
3913 | is called by the code that handles resizing | |
3914 | of the EmacsFrame widget. */ | |
7a13e894 | 3915 | |
7a13e894 RS |
3916 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); |
3917 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3918 | ||
3919 | /* Even if the number of character rows and columns has | |
3920 | not changed, the font size may have changed, so we need | |
3921 | to check the pixel dimensions as well. */ | |
3922 | if (columns != f->width | |
3923 | || rows != f->height | |
7556890b RS |
3924 | || event.xconfigure.width != f->output_data.x->pixel_width |
3925 | || event.xconfigure.height != f->output_data.x->pixel_height) | |
7a13e894 RS |
3926 | { |
3927 | change_frame_size (f, rows, columns, 0, 1); | |
3928 | SET_FRAME_GARBAGED (f); | |
3929 | } | |
2d7fc7e8 | 3930 | #endif |
af395ec1 | 3931 | |
2d7fc7e8 RS |
3932 | /* Formerly, in the USE_X_TOOLKIT version, |
3933 | we did not test send_event here. */ | |
3934 | if (1 | |
3935 | #ifndef USE_X_TOOLKIT | |
3936 | && ! event.xconfigure.send_event | |
3937 | #endif | |
3938 | ) | |
7a13e894 RS |
3939 | { |
3940 | Window win, child; | |
3941 | int win_x, win_y; | |
3942 | ||
3943 | /* Find the position of the outside upper-left corner of | |
3944 | the window, in the root coordinate system. Don't | |
3945 | refer to the parent window here; we may be processing | |
3946 | this event after the window manager has changed our | |
3947 | parent, but before we have reached the ReparentNotify. */ | |
3948 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
3949 | ||
3950 | /* From-window, to-window. */ | |
2d7fc7e8 | 3951 | event.xconfigure.window, |
7a13e894 RS |
3952 | FRAME_X_DISPLAY_INFO (f)->root_window, |
3953 | ||
3954 | /* From-position, to-position. */ | |
3955 | -event.xconfigure.border_width, | |
3956 | -event.xconfigure.border_width, | |
3957 | &win_x, &win_y, | |
3958 | ||
3959 | /* Child of win. */ | |
3960 | &child); | |
3961 | event.xconfigure.x = win_x; | |
3962 | event.xconfigure.y = win_y; | |
3963 | } | |
3a35ab44 | 3964 | |
7556890b RS |
3965 | f->output_data.x->pixel_width = event.xconfigure.width; |
3966 | f->output_data.x->pixel_height = event.xconfigure.height; | |
3967 | f->output_data.x->left_pos = event.xconfigure.x; | |
3968 | f->output_data.x->top_pos = event.xconfigure.y; | |
7a13e894 RS |
3969 | |
3970 | /* What we have now is the position of Emacs's own window. | |
3971 | Convert that to the position of the window manager window. */ | |
fd13dbb2 | 3972 | { |
7a13e894 RS |
3973 | int x, y; |
3974 | x_real_positions (f, &x, &y); | |
7556890b RS |
3975 | f->output_data.x->left_pos = x; |
3976 | f->output_data.x->top_pos = y; | |
2d7fc7e8 RS |
3977 | /* Formerly we did not do this in the USE_X_TOOLKIT |
3978 | version. Let's try making them the same. */ | |
3979 | /* #ifndef USE_X_TOOLKIT */ | |
7a13e894 RS |
3980 | if (y != event.xconfigure.y) |
3981 | { | |
3982 | /* Since the WM decorations come below top_pos now, | |
3983 | we must put them below top_pos in the future. */ | |
7556890b | 3984 | f->output_data.x->win_gravity = NorthWestGravity; |
c32cdd9a | 3985 | x_wm_set_size_hint (f, (long) 0, 0); |
7a13e894 | 3986 | } |
2d7fc7e8 | 3987 | /* #endif */ |
fd13dbb2 | 3988 | } |
7a13e894 | 3989 | } |
2d7fc7e8 | 3990 | goto OTHER; |
dc6f92b8 | 3991 | |
7a13e894 RS |
3992 | case ButtonPress: |
3993 | case ButtonRelease: | |
3994 | { | |
3995 | /* If we decide we want to generate an event to be seen | |
3996 | by the rest of Emacs, we put it here. */ | |
3997 | struct input_event emacs_event; | |
3998 | emacs_event.kind = no_event; | |
dc6f92b8 | 3999 | |
7a13e894 | 4000 | bzero (&compose_status, sizeof (compose_status)); |
9b07615b | 4001 | |
9f67f20b RS |
4002 | if (dpyinfo->grabbed && last_mouse_frame |
4003 | && FRAME_LIVE_P (last_mouse_frame)) | |
4004 | f = last_mouse_frame; | |
4005 | else | |
2224b905 | 4006 | f = x_window_to_frame (dpyinfo, event.xbutton.window); |
9f67f20b | 4007 | |
7a13e894 RS |
4008 | if (f) |
4009 | { | |
0f941935 | 4010 | if (!dpyinfo->x_focus_frame || f == dpyinfo->x_focus_frame) |
7a13e894 RS |
4011 | construct_mouse_click (&emacs_event, &event, f); |
4012 | } | |
4013 | else | |
4014 | { | |
4015 | struct scroll_bar *bar | |
4016 | = x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 | 4017 | |
7a13e894 RS |
4018 | if (bar) |
4019 | x_scroll_bar_handle_click (bar, &event, &emacs_event); | |
7a13e894 RS |
4020 | } |
4021 | ||
4022 | if (event.type == ButtonPress) | |
4023 | { | |
4024 | dpyinfo->grabbed |= (1 << event.xbutton.button); | |
4025 | last_mouse_frame = f; | |
4026 | } | |
3afe33e7 RS |
4027 | else |
4028 | { | |
7a13e894 | 4029 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); |
3afe33e7 | 4030 | } |
23faf38f | 4031 | |
7a13e894 RS |
4032 | if (numchars >= 1 && emacs_event.kind != no_event) |
4033 | { | |
4034 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
4035 | bufp++; | |
4036 | count++; | |
4037 | numchars--; | |
4038 | } | |
3afe33e7 RS |
4039 | |
4040 | #ifdef USE_X_TOOLKIT | |
2224b905 RS |
4041 | f = x_menubar_window_to_frame (dpyinfo, event.xbutton.window); |
4042 | /* For a down-event in the menu bar, | |
4043 | don't pass it to Xt right now. | |
4044 | Instead, save it away | |
4045 | and we will pass it to Xt from kbd_buffer_get_event. | |
4046 | That way, we can run some Lisp code first. */ | |
91375f8f RS |
4047 | if (f && event.type == ButtonPress |
4048 | /* Verify the event is really within the menu bar | |
4049 | and not just sent to it due to grabbing. */ | |
4050 | && event.xbutton.x >= 0 | |
4051 | && event.xbutton.x < f->output_data.x->pixel_width | |
4052 | && event.xbutton.y >= 0 | |
4053 | && event.xbutton.y < f->output_data.x->menubar_height | |
4054 | && event.xbutton.same_screen) | |
2224b905 | 4055 | { |
7556890b RS |
4056 | if (f->output_data.x->saved_button_event == 0) |
4057 | f->output_data.x->saved_button_event | |
2224b905 | 4058 | = (XButtonEvent *) xmalloc (sizeof (XButtonEvent)); |
7556890b | 4059 | bcopy (&event, f->output_data.x->saved_button_event, |
2224b905 RS |
4060 | sizeof (XButtonEvent)); |
4061 | if (numchars >= 1) | |
4062 | { | |
4063 | bufp->kind = menu_bar_activate_event; | |
4064 | XSETFRAME (bufp->frame_or_window, f); | |
4065 | bufp++; | |
4066 | count++; | |
4067 | numchars--; | |
4068 | } | |
4069 | } | |
4070 | else | |
4071 | goto OTHER; | |
3afe33e7 | 4072 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
4073 | } |
4074 | break; | |
dc6f92b8 | 4075 | |
7a13e894 RS |
4076 | case CirculateNotify: |
4077 | break; | |
4078 | case CirculateRequest: | |
4079 | break; | |
dc6f92b8 | 4080 | |
7a13e894 RS |
4081 | case MappingNotify: |
4082 | /* Someone has changed the keyboard mapping - update the | |
4083 | local cache. */ | |
4084 | switch (event.xmapping.request) | |
4085 | { | |
4086 | case MappingModifier: | |
4087 | x_find_modifier_meanings (dpyinfo); | |
4088 | /* This is meant to fall through. */ | |
4089 | case MappingKeyboard: | |
4090 | XRefreshKeyboardMapping (&event.xmapping); | |
4091 | } | |
7a13e894 | 4092 | goto OTHER; |
dc6f92b8 | 4093 | |
7a13e894 | 4094 | default: |
7a13e894 | 4095 | OTHER: |
717ca130 | 4096 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
4097 | BLOCK_INPUT; |
4098 | XtDispatchEvent (&event); | |
4099 | UNBLOCK_INPUT; | |
3afe33e7 | 4100 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
4101 | break; |
4102 | } | |
dc6f92b8 JB |
4103 | } |
4104 | } | |
4105 | ||
9a5196d0 RS |
4106 | /* On some systems, an X bug causes Emacs to get no more events |
4107 | when the window is destroyed. Detect that. (1994.) */ | |
58769bee | 4108 | if (! event_found) |
ef2a22d0 | 4109 | { |
ef2a22d0 RS |
4110 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. |
4111 | One XNOOP in 100 loops will make Emacs terminate. | |
4112 | B. Bretthauer, 1994 */ | |
4113 | x_noop_count++; | |
58769bee | 4114 | if (x_noop_count >= 100) |
ef2a22d0 RS |
4115 | { |
4116 | x_noop_count=0; | |
2224b905 RS |
4117 | |
4118 | if (next_noop_dpyinfo == 0) | |
4119 | next_noop_dpyinfo = x_display_list; | |
4120 | ||
4121 | XNoOp (next_noop_dpyinfo->display); | |
4122 | ||
4123 | /* Each time we get here, cycle through the displays now open. */ | |
4124 | next_noop_dpyinfo = next_noop_dpyinfo->next; | |
ef2a22d0 RS |
4125 | } |
4126 | } | |
502add23 | 4127 | |
0134a210 RS |
4128 | /* If the focus was just given to an autoraising frame, |
4129 | raise it now. */ | |
7a13e894 | 4130 | /* ??? This ought to be able to handle more than one such frame. */ |
0134a210 RS |
4131 | if (pending_autoraise_frame) |
4132 | { | |
4133 | x_raise_frame (pending_autoraise_frame); | |
4134 | pending_autoraise_frame = 0; | |
4135 | } | |
0134a210 | 4136 | |
dc6f92b8 JB |
4137 | UNBLOCK_INPUT; |
4138 | return count; | |
4139 | } | |
dc6f92b8 | 4140 | \f |
f451eb13 JB |
4141 | /* Drawing the cursor. */ |
4142 | ||
4143 | ||
39d8bb4d KH |
4144 | /* Draw a hollow box cursor on frame F at X, Y. |
4145 | Don't change the inside of the box. */ | |
dc6f92b8 JB |
4146 | |
4147 | static void | |
39d8bb4d | 4148 | x_draw_box (f, x, y) |
f676886a | 4149 | struct frame *f; |
39d8bb4d | 4150 | int x, y; |
dc6f92b8 | 4151 | { |
39d8bb4d KH |
4152 | int left = CHAR_TO_PIXEL_COL (f, x); |
4153 | int top = CHAR_TO_PIXEL_ROW (f, y); | |
7556890b RS |
4154 | int width = FONT_WIDTH (f->output_data.x->font); |
4155 | int height = f->output_data.x->line_height; | |
dc6f92b8 | 4156 | |
334208b7 | 4157 | XDrawRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 4158 | f->output_data.x->cursor_gc, |
dc6f92b8 | 4159 | left, top, width - 1, height - 1); |
dc6f92b8 JB |
4160 | } |
4161 | ||
f676886a | 4162 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4163 | and mark the cursor as not shown. |
4164 | This is used when the text where the cursor is | |
4165 | is about to be rewritten. */ | |
4166 | ||
4167 | static void | |
f676886a JB |
4168 | clear_cursor (f) |
4169 | struct frame *f; | |
dc6f92b8 JB |
4170 | { |
4171 | int mask; | |
4172 | ||
f451eb13 | 4173 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4174 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4175 | return; |
4176 | ||
f676886a | 4177 | x_display_cursor (f, 0); |
f676886a | 4178 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4179 | } |
4180 | ||
f676886a | 4181 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4182 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4183 | glyph drawn. */ | |
dc6f92b8 JB |
4184 | |
4185 | static void | |
f676886a JB |
4186 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4187 | struct frame *f; | |
dc6f92b8 | 4188 | int row, column; |
90e65f07 | 4189 | GLYPH glyph; |
dc6f92b8 JB |
4190 | int highlight; |
4191 | { | |
f676886a | 4192 | dumpglyphs (f, |
12ba150f JB |
4193 | CHAR_TO_PIXEL_COL (f, column), |
4194 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4195 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4196 | } |
4197 | ||
dc6f92b8 | 4198 | static void |
39d8bb4d | 4199 | x_display_bar_cursor (f, on, x, y) |
f676886a | 4200 | struct frame *f; |
dc6f92b8 | 4201 | int on; |
39d8bb4d | 4202 | int x, y; |
dc6f92b8 | 4203 | { |
f676886a | 4204 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4205 | |
49d838ea JB |
4206 | /* This is pointless on invisible frames, and dangerous on garbaged |
4207 | frames; in the latter case, the frame may be in the midst of | |
39d8bb4d | 4208 | changing its size, and x and y may be off the frame. */ |
49d838ea | 4209 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) |
dbc4e1c1 JB |
4210 | return; |
4211 | ||
4212 | if (! on && f->phys_cursor_x < 0) | |
4213 | return; | |
4214 | ||
dbc4e1c1 JB |
4215 | /* If there is anything wrong with the current cursor state, remove it. */ |
4216 | if (f->phys_cursor_x >= 0 | |
4217 | && (!on | |
39d8bb4d KH |
4218 | || f->phys_cursor_x != x |
4219 | || f->phys_cursor_y != y | |
7556890b | 4220 | || f->output_data.x->current_cursor != bar_cursor)) |
dbc4e1c1 JB |
4221 | { |
4222 | /* Erase the cursor by redrawing the character underneath it. */ | |
4223 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4224 | f->phys_cursor_glyph, | |
4225 | current_glyphs->highlight[f->phys_cursor_y]); | |
4226 | f->phys_cursor_x = -1; | |
4227 | } | |
4228 | ||
4229 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4230 | if (on | |
4231 | && (f->phys_cursor_x < 0 | |
7556890b | 4232 | || (f->output_data.x->current_cursor != bar_cursor))) |
dbc4e1c1 JB |
4233 | { |
4234 | f->phys_cursor_glyph | |
39d8bb4d KH |
4235 | = ((current_glyphs->enable[y] |
4236 | && x < current_glyphs->used[y]) | |
4237 | ? current_glyphs->glyphs[y][x] | |
dbc4e1c1 | 4238 | : SPACEGLYPH); |
334208b7 | 4239 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 4240 | f->output_data.x->cursor_gc, |
39d8bb4d KH |
4241 | CHAR_TO_PIXEL_COL (f, x), |
4242 | CHAR_TO_PIXEL_ROW (f, y), | |
7556890b RS |
4243 | max (f->output_data.x->cursor_width, 1), |
4244 | f->output_data.x->line_height); | |
dbc4e1c1 | 4245 | |
39d8bb4d KH |
4246 | f->phys_cursor_x = x; |
4247 | f->phys_cursor_y = y; | |
dbc4e1c1 | 4248 | |
7556890b | 4249 | f->output_data.x->current_cursor = bar_cursor; |
dbc4e1c1 JB |
4250 | } |
4251 | ||
4252 | if (updating_frame != f) | |
334208b7 | 4253 | XFlush (FRAME_X_DISPLAY (f)); |
dbc4e1c1 JB |
4254 | } |
4255 | ||
4256 | ||
4257 | /* Turn the displayed cursor of frame F on or off according to ON. | |
39d8bb4d | 4258 | If ON is nonzero, where to put the cursor is specified by X and Y. */ |
dbc4e1c1 JB |
4259 | |
4260 | static void | |
39d8bb4d | 4261 | x_display_box_cursor (f, on, x, y) |
dbc4e1c1 JB |
4262 | struct frame *f; |
4263 | int on; | |
39d8bb4d | 4264 | int x, y; |
dbc4e1c1 JB |
4265 | { |
4266 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4267 | ||
49d838ea JB |
4268 | /* This is pointless on invisible frames, and dangerous on garbaged |
4269 | frames; in the latter case, the frame may be in the midst of | |
39d8bb4d | 4270 | changing its size, and x and y may be off the frame. */ |
49d838ea | 4271 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
4272 | return; |
4273 | ||
4274 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4275 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4276 | return; |
4277 | ||
4278 | /* If cursor is currently being shown and we don't want it to be | |
4279 | or it is in the wrong place, | |
4280 | or we want a hollow box and it's not so, (pout!) | |
4281 | erase it. */ | |
f676886a | 4282 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4283 | && (!on |
39d8bb4d KH |
4284 | || f->phys_cursor_x != x |
4285 | || f->phys_cursor_y != y | |
7556890b | 4286 | || (f->output_data.x->current_cursor != hollow_box_cursor |
0f941935 | 4287 | && (f != FRAME_X_DISPLAY_INFO (f)->x_highlight_frame)))) |
dc6f92b8 | 4288 | { |
79cf7456 | 4289 | int mouse_face_here = 0; |
9f67f20b | 4290 | struct frame_glyphs *active_glyphs = FRAME_CURRENT_GLYPHS (f); |
79cf7456 RS |
4291 | |
4292 | /* If the cursor is in the mouse face area, redisplay that when | |
4293 | we clear the cursor. */ | |
7a13e894 | 4294 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame |
79cf7456 | 4295 | && |
7a13e894 RS |
4296 | (f->phys_cursor_y > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
4297 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
4298 | && f->phys_cursor_x >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col)) | |
79cf7456 | 4299 | && |
7a13e894 RS |
4300 | (f->phys_cursor_y < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row |
4301 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
9f67f20b RS |
4302 | && f->phys_cursor_x < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col)) |
4303 | /* Don't redraw the cursor's spot in mouse face | |
4304 | if it is at the end of a line (on a newline). | |
4305 | The cursor appears there, but mouse highlighting does not. */ | |
4306 | && active_glyphs->used[f->phys_cursor_y] > f->phys_cursor_x) | |
79cf7456 RS |
4307 | mouse_face_here = 1; |
4308 | ||
0cdd0c9f RS |
4309 | /* If the font is not as tall as a whole line, |
4310 | we must explicitly clear the line's whole height. */ | |
7556890b | 4311 | if (FONT_HEIGHT (f->output_data.x->font) != f->output_data.x->line_height) |
334208b7 | 4312 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
4313 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4314 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
7556890b RS |
4315 | FONT_WIDTH (f->output_data.x->font), |
4316 | f->output_data.x->line_height, False); | |
dc6f92b8 | 4317 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4318 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4319 | f->phys_cursor_glyph, | |
79cf7456 RS |
4320 | (mouse_face_here |
4321 | ? 3 | |
4322 | : current_glyphs->highlight[f->phys_cursor_y])); | |
f676886a | 4323 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4324 | } |
4325 | ||
4326 | /* If we want to show a cursor, | |
4327 | or we want a box cursor and it's not so, | |
4328 | write it in the right place. */ | |
4329 | if (on | |
f676886a | 4330 | && (f->phys_cursor_x < 0 |
7556890b | 4331 | || (f->output_data.x->current_cursor != filled_box_cursor |
0f941935 | 4332 | && f == FRAME_X_DISPLAY_INFO (f)->x_highlight_frame))) |
dc6f92b8 | 4333 | { |
f676886a | 4334 | f->phys_cursor_glyph |
39d8bb4d KH |
4335 | = ((current_glyphs->enable[y] |
4336 | && x < current_glyphs->used[y]) | |
4337 | ? current_glyphs->glyphs[y][x] | |
90e65f07 | 4338 | : SPACEGLYPH); |
0f941935 | 4339 | if (f != FRAME_X_DISPLAY_INFO (f)->x_highlight_frame) |
dc6f92b8 | 4340 | { |
39d8bb4d | 4341 | x_draw_box (f, x, y); |
7556890b | 4342 | f->output_data.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4343 | } |
4344 | else | |
4345 | { | |
39d8bb4d | 4346 | x_draw_single_glyph (f, y, x, |
f676886a | 4347 | f->phys_cursor_glyph, 2); |
7556890b | 4348 | f->output_data.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4349 | } |
4350 | ||
39d8bb4d KH |
4351 | f->phys_cursor_x = x; |
4352 | f->phys_cursor_y = y; | |
dc6f92b8 JB |
4353 | } |
4354 | ||
f676886a | 4355 | if (updating_frame != f) |
334208b7 | 4356 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4357 | } |
4358 | ||
5d46f928 RS |
4359 | /* Display the cursor on frame F, or clear it, according to ON. |
4360 | Use the position specified by curs_x and curs_y | |
4361 | if we are doing an update of frame F now. | |
4362 | Otherwise use the position in the FRAME_CURSOR_X and FRAME_CURSOR_Y fields | |
4363 | of F. */ | |
4364 | ||
f676886a JB |
4365 | x_display_cursor (f, on) |
4366 | struct frame *f; | |
dc6f92b8 JB |
4367 | int on; |
4368 | { | |
f94397b5 KH |
4369 | BLOCK_INPUT; |
4370 | ||
5d46f928 RS |
4371 | /* If we're not updating, then don't change the physical cursor |
4372 | position. Just change (if appropriate) the style of display. */ | |
4373 | if (f != updating_frame) | |
4374 | { | |
4375 | curs_x = FRAME_CURSOR_X (f); | |
4376 | curs_y = FRAME_CURSOR_Y (f); | |
4377 | } | |
4378 | ||
4379 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) | |
39d8bb4d | 4380 | x_display_box_cursor (f, on, curs_x, curs_y); |
5d46f928 | 4381 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
39d8bb4d | 4382 | x_display_bar_cursor (f, on, curs_x, curs_y); |
5d46f928 RS |
4383 | else |
4384 | /* Those are the only two we have implemented! */ | |
4385 | abort (); | |
4386 | ||
4387 | UNBLOCK_INPUT; | |
4388 | } | |
4389 | ||
4390 | /* Display the cursor on frame F, or clear it, according to ON. | |
4391 | Don't change the cursor's position. */ | |
4392 | ||
4393 | x_update_cursor (f, on) | |
4394 | struct frame *f; | |
4395 | int on; | |
4396 | { | |
aee9a898 RS |
4397 | /* If we don't have any previous cursor position to use, |
4398 | leave the cursor off. */ | |
4399 | if (f->phys_cursor_x < 0) | |
4400 | return; | |
4401 | ||
5d46f928 RS |
4402 | BLOCK_INPUT; |
4403 | ||
dbc4e1c1 | 4404 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
39d8bb4d | 4405 | x_display_box_cursor (f, on, f->phys_cursor_x, f->phys_cursor_y); |
dbc4e1c1 | 4406 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
39d8bb4d | 4407 | x_display_bar_cursor (f, on, f->phys_cursor_x, f->phys_cursor_y); |
dbc4e1c1 JB |
4408 | else |
4409 | /* Those are the only two we have implemented! */ | |
4410 | abort (); | |
f94397b5 KH |
4411 | |
4412 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4413 | } |
4414 | \f | |
4415 | /* Icons. */ | |
4416 | ||
f676886a | 4417 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4418 | when we get an expose event for it. */ |
4419 | ||
f676886a JB |
4420 | refreshicon (f) |
4421 | struct frame *f; | |
dc6f92b8 | 4422 | { |
dc6f92b8 | 4423 | /* Normally, the window manager handles this function. */ |
dc6f92b8 JB |
4424 | } |
4425 | ||
dbc4e1c1 | 4426 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4427 | |
4428 | int | |
990ba854 | 4429 | x_bitmap_icon (f, file) |
f676886a | 4430 | struct frame *f; |
990ba854 | 4431 | Lisp_Object file; |
dc6f92b8 | 4432 | { |
7f2ae036 | 4433 | int mask, bitmap_id; |
dc6f92b8 JB |
4434 | Window icon_window; |
4435 | ||
c118dd06 | 4436 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4437 | return 1; |
4438 | ||
990ba854 | 4439 | /* Free up our existing icon bitmap if any. */ |
7556890b RS |
4440 | if (f->output_data.x->icon_bitmap > 0) |
4441 | x_destroy_bitmap (f, f->output_data.x->icon_bitmap); | |
4442 | f->output_data.x->icon_bitmap = 0; | |
990ba854 RS |
4443 | |
4444 | if (STRINGP (file)) | |
7f2ae036 RS |
4445 | bitmap_id = x_create_bitmap_from_file (f, file); |
4446 | else | |
4447 | { | |
990ba854 | 4448 | /* Create the GNU bitmap if necessary. */ |
5bf01b68 | 4449 | if (FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id < 0) |
334208b7 RS |
4450 | FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id |
4451 | = x_create_bitmap_from_data (f, gnu_bits, | |
4452 | gnu_width, gnu_height); | |
990ba854 RS |
4453 | |
4454 | /* The first time we create the GNU bitmap, | |
4455 | this increments the refcount one extra time. | |
4456 | As a result, the GNU bitmap is never freed. | |
4457 | That way, we don't have to worry about allocating it again. */ | |
334208b7 | 4458 | x_reference_bitmap (f, FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id); |
990ba854 | 4459 | |
334208b7 | 4460 | bitmap_id = FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id; |
7f2ae036 RS |
4461 | } |
4462 | ||
4463 | x_wm_set_icon_pixmap (f, bitmap_id); | |
7556890b | 4464 | f->output_data.x->icon_bitmap = bitmap_id; |
dc6f92b8 JB |
4465 | |
4466 | return 0; | |
4467 | } | |
4468 | ||
4469 | ||
1be2d067 KH |
4470 | /* Make the x-window of frame F use a rectangle with text. |
4471 | Use ICON_NAME as the text. */ | |
dc6f92b8 JB |
4472 | |
4473 | int | |
f676886a JB |
4474 | x_text_icon (f, icon_name) |
4475 | struct frame *f; | |
dc6f92b8 JB |
4476 | char *icon_name; |
4477 | { | |
c118dd06 | 4478 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4479 | return 1; |
4480 | ||
1be2d067 KH |
4481 | #ifdef HAVE_X11R4 |
4482 | { | |
4483 | XTextProperty text; | |
4484 | text.value = (unsigned char *) icon_name; | |
4485 | text.encoding = XA_STRING; | |
4486 | text.format = 8; | |
4487 | text.nitems = strlen (icon_name); | |
4488 | #ifdef USE_X_TOOLKIT | |
7556890b | 4489 | XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
1be2d067 KH |
4490 | &text); |
4491 | #else /* not USE_X_TOOLKIT */ | |
4492 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text); | |
4493 | #endif /* not USE_X_TOOLKIT */ | |
4494 | } | |
4495 | #else /* not HAVE_X11R4 */ | |
4496 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), icon_name); | |
4497 | #endif /* not HAVE_X11R4 */ | |
58769bee | 4498 | |
7556890b RS |
4499 | if (f->output_data.x->icon_bitmap > 0) |
4500 | x_destroy_bitmap (f, f->output_data.x->icon_bitmap); | |
4501 | f->output_data.x->icon_bitmap = 0; | |
b1c884c3 | 4502 | x_wm_set_icon_pixmap (f, 0); |
dc6f92b8 JB |
4503 | |
4504 | return 0; | |
4505 | } | |
4506 | \f | |
4746118a JB |
4507 | /* Handling X errors. */ |
4508 | ||
7a13e894 | 4509 | /* Handle the loss of connection to display DISPLAY. */ |
16bd92ea | 4510 | |
4746118a | 4511 | static SIGTYPE |
7a13e894 RS |
4512 | x_connection_closed (display, error_message) |
4513 | Display *display; | |
4514 | char *error_message; | |
4746118a | 4515 | { |
7a13e894 RS |
4516 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
4517 | Lisp_Object frame, tail; | |
4518 | ||
07a7096a KH |
4519 | /* Whatever we were in the middle of, we are going to throw out of it, |
4520 | so reassure various things that have error checks about being | |
4521 | called with input blocked. */ | |
4522 | TOTALLY_UNBLOCK_INPUT; | |
4523 | ||
4746118a JB |
4524 | if (_Xdebug) |
4525 | abort (); | |
12ba150f | 4526 | |
6186a4a0 RS |
4527 | /* Indicate that this display is dead. */ |
4528 | ||
4529 | dpyinfo->display = 0; | |
4530 | ||
7a13e894 RS |
4531 | /* First delete frames whose minibuffers are on frames |
4532 | that are on the dead display. */ | |
4533 | FOR_EACH_FRAME (tail, frame) | |
4534 | { | |
4535 | Lisp_Object minibuf_frame; | |
4536 | minibuf_frame | |
4537 | = WINDOW_FRAME (XWINDOW (FRAME_MINIBUF_WINDOW (XFRAME (frame)))); | |
f48f33ca RS |
4538 | if (FRAME_X_P (XFRAME (frame)) |
4539 | && FRAME_X_P (XFRAME (minibuf_frame)) | |
4540 | && ! EQ (frame, minibuf_frame) | |
4541 | && FRAME_X_DISPLAY_INFO (XFRAME (minibuf_frame)) == dpyinfo) | |
7a13e894 RS |
4542 | Fdelete_frame (frame, Qt); |
4543 | } | |
4544 | ||
4545 | /* Now delete all remaining frames on the dead display. | |
4546 | We are now sure none of these is used as the minibuffer | |
4547 | for another frame that we need to delete. */ | |
4548 | FOR_EACH_FRAME (tail, frame) | |
f48f33ca RS |
4549 | if (FRAME_X_P (XFRAME (frame)) |
4550 | && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
07a7096a KH |
4551 | { |
4552 | /* Set this to t so that Fdelete_frame won't get confused | |
4553 | trying to find a replacement. */ | |
4554 | FRAME_KBOARD (XFRAME (frame))->Vdefault_minibuffer_frame = Qt; | |
4555 | Fdelete_frame (frame, Qt); | |
4556 | } | |
7a13e894 | 4557 | |
482a1bd2 KH |
4558 | if (dpyinfo) |
4559 | x_delete_display (dpyinfo); | |
7a13e894 RS |
4560 | |
4561 | if (x_display_list == 0) | |
4562 | { | |
4563 | fprintf (stderr, "%s", error_message); | |
4564 | shut_down_emacs (0, 0, Qnil); | |
4565 | exit (70); | |
4566 | } | |
12ba150f | 4567 | |
7a13e894 RS |
4568 | /* Ordinary stack unwind doesn't deal with these. */ |
4569 | #ifdef SIGIO | |
4570 | sigunblock (sigmask (SIGIO)); | |
4571 | #endif | |
4572 | sigunblock (sigmask (SIGALRM)); | |
4573 | TOTALLY_UNBLOCK_INPUT; | |
4574 | ||
4575 | error ("%s", error_message); | |
4746118a JB |
4576 | } |
4577 | ||
7a13e894 RS |
4578 | /* This is the usual handler for X protocol errors. |
4579 | It kills all frames on the display that we got the error for. | |
4580 | If that was the only one, it prints an error message and kills Emacs. */ | |
4581 | ||
c118dd06 JB |
4582 | static int |
4583 | x_error_quitter (display, error) | |
4584 | Display *display; | |
4585 | XErrorEvent *error; | |
4586 | { | |
7a13e894 | 4587 | char buf[256], buf1[356]; |
dc6f92b8 | 4588 | |
58769bee | 4589 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 4590 | original error handler. */ |
dc6f92b8 | 4591 | |
c118dd06 | 4592 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
c889e0d8 | 4593 | sprintf (buf1, "X protocol error: %s on protocol request %d\n", |
c118dd06 | 4594 | buf, error->request_code); |
7a13e894 | 4595 | x_connection_closed (display, buf1); |
dc6f92b8 JB |
4596 | } |
4597 | ||
7a13e894 RS |
4598 | /* This is the handler for X IO errors, always. |
4599 | It kills all frames on the display that we lost touch with. | |
4600 | If that was the only one, it prints an error message and kills Emacs. */ | |
4601 | ||
8922af5f JB |
4602 | static int |
4603 | x_io_error_quitter (display) | |
4604 | Display *display; | |
4605 | { | |
7a13e894 | 4606 | char buf[256]; |
8922af5f | 4607 | |
7a13e894 RS |
4608 | sprintf (buf, "Connection lost to X server `%s'", DisplayString (display)); |
4609 | x_connection_closed (display, buf); | |
8922af5f | 4610 | } |
7a13e894 | 4611 | \f |
f9e24cb9 RS |
4612 | /* Handle SIGPIPE, which can happen when the connection to a server |
4613 | simply goes away. SIGPIPE is handled by x_connection_signal. | |
4614 | It works by sending a no-op command to each X server connection. | |
4615 | When we try a connection that has closed, we get SIGPIPE again. | |
4616 | But this time, it is handled by x_connection_signal_1. | |
4617 | That function knows which connection we were testing, | |
4618 | so it closes that one. | |
4619 | ||
4620 | x_connection_closed never returns, | |
4621 | so if more than one connection was lost at once, | |
4622 | we only find one. But XTread_socket keeps trying them all, | |
4623 | so it will notice the other closed one sooner or later. */ | |
4624 | ||
4625 | ||
4626 | static struct x_display_info *x_connection_signal_dpyinfo; | |
4627 | ||
4628 | static SIGTYPE x_connection_signal (); | |
4629 | ||
4630 | static SIGTYPE | |
4631 | x_connection_signal_1 (signalnum) /* If we don't have an argument, */ | |
4632 | int signalnum; /* some compilers complain in signal calls. */ | |
4633 | { | |
4634 | signal (SIGPIPE, x_connection_signal); | |
4635 | x_connection_closed (x_connection_signal_dpyinfo, | |
4636 | "connection was lost"); | |
4637 | } | |
4638 | ||
4639 | static SIGTYPE | |
4640 | x_connection_signal (signalnum) /* If we don't have an argument, */ | |
4641 | int signalnum; /* some compilers complain in signal calls. */ | |
4642 | { | |
4643 | x_connection_signal_dpyinfo = x_display_list; | |
4644 | ||
4645 | sigunblock (SIGPIPE); | |
4646 | ||
4647 | while (x_connection_signal_dpyinfo) | |
4648 | { | |
4649 | signal (SIGPIPE, x_connection_signal_1); | |
15ffd0b3 | 4650 | |
31e3a046 KH |
4651 | #ifdef SOLARIS2 |
4652 | #ifdef XlibDisplayWriting | |
4653 | /* If the thread-interlock is locked, assume this connection is dead. | |
4654 | This assumes that the library does not make other threads | |
4655 | that can be locking the display legitimately. */ | |
4656 | if (x_connection_signal_dpyinfo->display->flags & XlibDisplayWriting) | |
6186a4a0 RS |
4657 | { |
4658 | x_connection_signal_dpyinfo->display->flags &= ~XlibDisplayWriting; | |
4659 | x_connection_closed (x_connection_signal_dpyinfo->display, | |
4660 | "connection was lost"); | |
4661 | } | |
31e3a046 KH |
4662 | #endif |
4663 | #endif | |
4664 | ||
f9e24cb9 | 4665 | XNoOp (x_connection_signal_dpyinfo->display); |
15ffd0b3 | 4666 | |
f9e24cb9 RS |
4667 | XSync (x_connection_signal_dpyinfo->display, False); |
4668 | ||
4669 | /* Each time we get here, cycle through the displays now open. */ | |
4670 | x_connection_signal_dpyinfo = x_connection_signal_dpyinfo->next; | |
4671 | } | |
4672 | ||
4673 | /* We should have found some closed connection. */ | |
4674 | abort (); | |
4675 | } | |
4676 | \f | |
c118dd06 | 4677 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4678 | static char *x_caught_error_message; |
4679 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4680 | |
4681 | /* An X error handler which stores the error message in | |
4682 | x_caught_error_message. This is what's installed when | |
4683 | x_catch_errors is in effect. */ | |
7a13e894 | 4684 | |
c118dd06 JB |
4685 | static int |
4686 | x_error_catcher (display, error) | |
4687 | Display *display; | |
4688 | XErrorEvent *error; | |
4689 | { | |
4690 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4691 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4692 | } |
4693 | ||
4694 | ||
7a13e894 RS |
4695 | /* Begin trapping X errors for display DPY. Actually we trap X errors |
4696 | for all displays, but DPY should be the display you are actually | |
4697 | operating on. | |
dc6f92b8 | 4698 | |
c118dd06 JB |
4699 | After calling this function, X protocol errors no longer cause |
4700 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4701 | |
c118dd06 JB |
4702 | Calling x_check_errors signals an Emacs error if an X error has |
4703 | occurred since the last call to x_catch_errors or x_check_errors. | |
4704 | ||
4705 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4706 | ||
bc20ebbf | 4707 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4708 | |
4709 | void | |
7a13e894 RS |
4710 | x_catch_errors (dpy) |
4711 | Display *dpy; | |
dc6f92b8 | 4712 | { |
c118dd06 | 4713 | /* Make sure any errors from previous requests have been dealt with. */ |
7a13e894 | 4714 | XSync (dpy, False); |
dc6f92b8 | 4715 | |
c118dd06 | 4716 | /* Set up the error buffer. */ |
60f9aad3 | 4717 | x_caught_error_message |
cef13e55 RS |
4718 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4719 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4720 | |
c118dd06 | 4721 | /* Install our little error handler. */ |
334208b7 | 4722 | XSetErrorHandler (x_error_catcher); |
c118dd06 | 4723 | } |
16bd92ea | 4724 | |
c118dd06 JB |
4725 | /* If any X protocol errors have arrived since the last call to |
4726 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4727 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4728 | |
c118dd06 | 4729 | void |
7a13e894 RS |
4730 | x_check_errors (dpy, format) |
4731 | Display *dpy; | |
c118dd06 JB |
4732 | char *format; |
4733 | { | |
4734 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4735 | XSync (dpy, False); |
16bd92ea | 4736 | |
cef13e55 | 4737 | if (x_caught_error_message[0]) |
c118dd06 | 4738 | { |
cef13e55 | 4739 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4740 | |
cef13e55 | 4741 | sprintf (buf, format, x_caught_error_message); |
7a13e894 | 4742 | x_uncatch_errors (dpy); |
c118dd06 JB |
4743 | error (buf); |
4744 | } | |
4745 | } | |
4746 | ||
b849c413 RS |
4747 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4748 | ||
4749 | int | |
7a13e894 RS |
4750 | x_had_errors_p (dpy) |
4751 | Display *dpy; | |
b849c413 RS |
4752 | { |
4753 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4754 | XSync (dpy, False); |
b849c413 RS |
4755 | |
4756 | return x_caught_error_message[0] != 0; | |
4757 | } | |
4758 | ||
812361a1 RS |
4759 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4760 | ||
c118dd06 | 4761 | void |
7a13e894 RS |
4762 | x_uncatch_errors (dpy) |
4763 | Display *dpy; | |
c118dd06 | 4764 | { |
9ac0d9e0 | 4765 | xfree (x_caught_error_message); |
cef13e55 | 4766 | x_caught_error_message = 0; |
334208b7 | 4767 | XSetErrorHandler (x_error_quitter); |
dc6f92b8 JB |
4768 | } |
4769 | ||
dc6f92b8 JB |
4770 | #if 0 |
4771 | static unsigned int x_wire_count; | |
4772 | x_trace_wire () | |
4773 | { | |
4774 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4775 | } | |
c118dd06 | 4776 | #endif /* ! 0 */ |
dc6f92b8 JB |
4777 | |
4778 | \f | |
f451eb13 JB |
4779 | /* Changing the font of the frame. */ |
4780 | ||
76bcdf39 RS |
4781 | /* Give frame F the font named FONTNAME as its default font, and |
4782 | return the full name of that font. FONTNAME may be a wildcard | |
4783 | pattern; in that case, we choose some font that fits the pattern. | |
4784 | The return value shows which font we chose. */ | |
4785 | ||
b5cf7a0e | 4786 | Lisp_Object |
f676886a JB |
4787 | x_new_font (f, fontname) |
4788 | struct frame *f; | |
dc6f92b8 JB |
4789 | register char *fontname; |
4790 | { | |
dc6f92b8 JB |
4791 | int already_loaded; |
4792 | int n_matching_fonts; | |
4793 | XFontStruct *font_info; | |
4794 | char **font_names; | |
4795 | ||
4796 | /* Get a list of all the fonts that match this name. Once we | |
4797 | have a list of matching fonts, we compare them against the fonts | |
4798 | we already have by comparing font ids. */ | |
334208b7 | 4799 | font_names = (char **) XListFonts (FRAME_X_DISPLAY (f), fontname, |
2224a5fc | 4800 | 1024, &n_matching_fonts); |
0c94f6ee JB |
4801 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4802 | find any matches; font_names == 0 is the only clue. */ | |
4803 | if (! font_names) | |
4804 | n_matching_fonts = 0; | |
4805 | ||
5835f860 RS |
4806 | /* Don't just give up if n_matching_fonts is 0. |
4807 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4808 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 4809 | |
90e65f07 | 4810 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
4811 | already_loaded = -1; |
4812 | if (n_matching_fonts != 0) | |
4813 | { | |
4814 | int i, j; | |
dc6f92b8 | 4815 | |
7a13e894 | 4816 | for (i = 0; i < FRAME_X_DISPLAY_INFO (f)->n_fonts; i++) |
5835f860 | 4817 | for (j = 0; j < n_matching_fonts; j++) |
7a13e894 RS |
4818 | if (!strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].name, font_names[j]) |
4819 | || !strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name, font_names[j])) | |
5835f860 RS |
4820 | { |
4821 | already_loaded = i; | |
7a13e894 | 4822 | fontname = FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name; |
5835f860 RS |
4823 | goto found_font; |
4824 | } | |
4825 | } | |
dc6f92b8 | 4826 | found_font: |
58769bee | 4827 | |
dc6f92b8 | 4828 | /* If we have, just return it from the table. */ |
2224a5fc | 4829 | if (already_loaded >= 0) |
7556890b | 4830 | f->output_data.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[already_loaded].font; |
dc6f92b8 JB |
4831 | /* Otherwise, load the font and add it to the table. */ |
4832 | else | |
4833 | { | |
9696f58b | 4834 | int i; |
76bcdf39 | 4835 | char *full_name; |
dc6f92b8 | 4836 | XFontStruct *font; |
7a13e894 | 4837 | int n_fonts; |
dc6f92b8 | 4838 | |
9696f58b | 4839 | /* Try to find a character-cell font in the list. */ |
58769bee | 4840 | #if 0 |
f126bd67 | 4841 | /* A laudable goal, but this isn't how to do it. */ |
9696f58b JB |
4842 | for (i = 0; i < n_matching_fonts; i++) |
4843 | if (! font_info[i].per_char) | |
4844 | break; | |
f126bd67 JB |
4845 | #else |
4846 | i = 0; | |
4847 | #endif | |
9696f58b | 4848 | |
5835f860 RS |
4849 | /* See comment above. */ |
4850 | if (n_matching_fonts != 0) | |
9696f58b JB |
4851 | fontname = font_names[i]; |
4852 | ||
334208b7 | 4853 | font = (XFontStruct *) XLoadQueryFont (FRAME_X_DISPLAY (f), fontname); |
dc6f92b8 | 4854 | if (! font) |
5835f860 | 4855 | { |
2224a5fc | 4856 | /* Free the information from XListFonts. */ |
5835f860 | 4857 | if (n_matching_fonts) |
2224a5fc | 4858 | XFreeFontNames (font_names); |
5835f860 RS |
4859 | return Qnil; |
4860 | } | |
dc6f92b8 JB |
4861 | |
4862 | /* Do we need to create the table? */ | |
7a13e894 | 4863 | if (FRAME_X_DISPLAY_INFO (f)->font_table_size == 0) |
dc6f92b8 | 4864 | { |
7a13e894 RS |
4865 | FRAME_X_DISPLAY_INFO (f)->font_table_size = 16; |
4866 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4867 | = (struct font_info *) xmalloc (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4868 | * sizeof (struct font_info)); | |
dc6f92b8 JB |
4869 | } |
4870 | /* Do we need to grow the table? */ | |
7a13e894 RS |
4871 | else if (FRAME_X_DISPLAY_INFO (f)->n_fonts |
4872 | >= FRAME_X_DISPLAY_INFO (f)->font_table_size) | |
dc6f92b8 | 4873 | { |
7a13e894 RS |
4874 | FRAME_X_DISPLAY_INFO (f)->font_table_size *= 2; |
4875 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4876 | = (struct font_info *) xrealloc (FRAME_X_DISPLAY_INFO (f)->font_table, | |
4877 | (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4878 | * sizeof (struct font_info))); | |
dc6f92b8 JB |
4879 | } |
4880 | ||
76bcdf39 RS |
4881 | /* Try to get the full name of FONT. Put it in full_name. */ |
4882 | full_name = 0; | |
4883 | for (i = 0; i < font->n_properties; i++) | |
4884 | { | |
4885 | char *atom | |
334208b7 | 4886 | = XGetAtomName (FRAME_X_DISPLAY (f), font->properties[i].name); |
76bcdf39 | 4887 | if (!strcmp (atom, "FONT")) |
7965883b | 4888 | { |
334208b7 | 4889 | char *name = XGetAtomName (FRAME_X_DISPLAY (f), |
7965883b RS |
4890 | (Atom) (font->properties[i].card32)); |
4891 | char *p = name; | |
4892 | int dashes = 0; | |
4893 | ||
4894 | /* Count the number of dashes in the "full name". | |
4895 | If it is too few, this isn't really the font's full name, | |
4896 | so don't use it. | |
4897 | In X11R4, the fonts did not come with their canonical names | |
4898 | stored in them. */ | |
4899 | while (*p) | |
4900 | { | |
4901 | if (*p == '-') | |
4902 | dashes++; | |
4903 | p++; | |
4904 | } | |
4905 | ||
4906 | if (dashes >= 13) | |
4907 | full_name = name; | |
8ed24d5a RS |
4908 | |
4909 | break; | |
7965883b RS |
4910 | } |
4911 | ||
76bcdf39 RS |
4912 | XFree (atom); |
4913 | } | |
4914 | ||
7a13e894 RS |
4915 | n_fonts = FRAME_X_DISPLAY_INFO (f)->n_fonts; |
4916 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); | |
4917 | bcopy (fontname, FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name, strlen (fontname) + 1); | |
76bcdf39 | 4918 | if (full_name != 0) |
7a13e894 | 4919 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = full_name; |
76bcdf39 | 4920 | else |
7a13e894 | 4921 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name; |
7556890b | 4922 | f->output_data.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].font = font; |
7a13e894 | 4923 | FRAME_X_DISPLAY_INFO (f)->n_fonts++; |
76bcdf39 | 4924 | |
d53067dc RS |
4925 | if (full_name) |
4926 | fontname = full_name; | |
dc6f92b8 | 4927 | } |
2224a5fc | 4928 | |
b2cad826 KH |
4929 | /* Compute the scroll bar width in character columns. */ |
4930 | if (f->scroll_bar_pixel_width > 0) | |
4931 | { | |
7556890b | 4932 | int wid = FONT_WIDTH (f->output_data.x->font); |
b2cad826 KH |
4933 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; |
4934 | } | |
4935 | else | |
4936 | f->scroll_bar_cols = 2; | |
4937 | ||
f676886a | 4938 | /* Now make the frame display the given font. */ |
c118dd06 | 4939 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4940 | { |
7556890b RS |
4941 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->normal_gc, |
4942 | f->output_data.x->font->fid); | |
4943 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->reverse_gc, | |
4944 | f->output_data.x->font->fid); | |
4945 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->cursor_gc, | |
4946 | f->output_data.x->font->fid); | |
f676886a | 4947 | |
a27f9f86 | 4948 | frame_update_line_height (f); |
0134a210 | 4949 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 4950 | } |
a27f9f86 RS |
4951 | else |
4952 | /* If we are setting a new frame's font for the first time, | |
4953 | there are no faces yet, so this font's height is the line height. */ | |
7556890b | 4954 | f->output_data.x->line_height = FONT_HEIGHT (f->output_data.x->font); |
dc6f92b8 | 4955 | |
b5cf7a0e | 4956 | { |
abdda982 | 4957 | Lisp_Object lispy_name; |
b5cf7a0e | 4958 | |
abdda982 | 4959 | lispy_name = build_string (fontname); |
b5cf7a0e | 4960 | |
2224a5fc | 4961 | /* Free the information from XListFonts. The data |
b5cf7a0e | 4962 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 4963 | XFreeFontNames (font_names); |
b5cf7a0e JB |
4964 | |
4965 | return lispy_name; | |
4966 | } | |
dc6f92b8 | 4967 | } |
dc6f92b8 | 4968 | \f |
43bca5d5 | 4969 | x_calc_absolute_position (f) |
f676886a | 4970 | struct frame *f; |
dc6f92b8 | 4971 | { |
6dba1858 RS |
4972 | Window win, child; |
4973 | int win_x = 0, win_y = 0; | |
7556890b | 4974 | int flags = f->output_data.x->size_hint_flags; |
c81412a0 KH |
4975 | int this_window; |
4976 | ||
4977 | #ifdef USE_X_TOOLKIT | |
7556890b | 4978 | this_window = XtWindow (f->output_data.x->widget); |
c81412a0 KH |
4979 | #else |
4980 | this_window = FRAME_X_WINDOW (f); | |
4981 | #endif | |
6dba1858 RS |
4982 | |
4983 | /* Find the position of the outside upper-left corner of | |
4984 | the inner window, with respect to the outer window. */ | |
7556890b | 4985 | if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
6dba1858 RS |
4986 | { |
4987 | BLOCK_INPUT; | |
334208b7 | 4988 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
58769bee | 4989 | |
6dba1858 | 4990 | /* From-window, to-window. */ |
c81412a0 | 4991 | this_window, |
7556890b | 4992 | f->output_data.x->parent_desc, |
6dba1858 RS |
4993 | |
4994 | /* From-position, to-position. */ | |
4995 | 0, 0, &win_x, &win_y, | |
4996 | ||
4997 | /* Child of win. */ | |
4998 | &child); | |
4999 | UNBLOCK_INPUT; | |
5000 | } | |
5001 | ||
5002 | /* Treat negative positions as relative to the leftmost bottommost | |
5003 | position that fits on the screen. */ | |
20f55f9a | 5004 | if (flags & XNegative) |
7556890b RS |
5005 | f->output_data.x->left_pos = (FRAME_X_DISPLAY_INFO (f)->width |
5006 | - 2 * f->output_data.x->border_width - win_x | |
31ea78fd | 5007 | - PIXEL_WIDTH (f) |
7556890b | 5008 | + f->output_data.x->left_pos); |
dc6f92b8 | 5009 | |
20f55f9a | 5010 | if (flags & YNegative) |
7556890b RS |
5011 | f->output_data.x->top_pos = (FRAME_X_DISPLAY_INFO (f)->height |
5012 | - 2 * f->output_data.x->border_width - win_y | |
31ea78fd | 5013 | - PIXEL_HEIGHT (f) |
c81412a0 | 5014 | - (FRAME_EXTERNAL_MENU_BAR (f) |
7556890b RS |
5015 | ? f->output_data.x->menubar_height : 0) |
5016 | + f->output_data.x->top_pos); | |
3a35ab44 RS |
5017 | /* The left_pos and top_pos |
5018 | are now relative to the top and left screen edges, | |
5019 | so the flags should correspond. */ | |
7556890b | 5020 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); |
dc6f92b8 JB |
5021 | } |
5022 | ||
3a35ab44 RS |
5023 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
5024 | to really change the position, and 0 when calling from | |
5025 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
aa3ff7c9 KH |
5026 | position values). It is -1 when calling from x_set_frame_parameters, |
5027 | which means, do adjust for borders but don't change the gravity. */ | |
3a35ab44 | 5028 | |
dc05a16b | 5029 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 5030 | struct frame *f; |
dc6f92b8 | 5031 | register int xoff, yoff; |
dc05a16b | 5032 | int change_gravity; |
dc6f92b8 | 5033 | { |
4a4cbdd5 KH |
5034 | int modified_top, modified_left; |
5035 | ||
aa3ff7c9 | 5036 | if (change_gravity > 0) |
3a35ab44 | 5037 | { |
7556890b RS |
5038 | f->output_data.x->top_pos = yoff; |
5039 | f->output_data.x->left_pos = xoff; | |
5040 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); | |
3a35ab44 | 5041 | if (xoff < 0) |
7556890b | 5042 | f->output_data.x->size_hint_flags |= XNegative; |
3a35ab44 | 5043 | if (yoff < 0) |
7556890b RS |
5044 | f->output_data.x->size_hint_flags |= YNegative; |
5045 | f->output_data.x->win_gravity = NorthWestGravity; | |
3a35ab44 | 5046 | } |
43bca5d5 | 5047 | x_calc_absolute_position (f); |
dc6f92b8 JB |
5048 | |
5049 | BLOCK_INPUT; | |
c32cdd9a | 5050 | x_wm_set_size_hint (f, (long) 0, 0); |
3a35ab44 | 5051 | |
4a4cbdd5 KH |
5052 | /* It is a mystery why we need to add the border_width here |
5053 | when the frame is already visible, but experiment says we do. */ | |
7556890b RS |
5054 | modified_left = f->output_data.x->left_pos; |
5055 | modified_top = f->output_data.x->top_pos; | |
aa3ff7c9 | 5056 | if (change_gravity != 0) |
4a4cbdd5 | 5057 | { |
7556890b RS |
5058 | modified_left += f->output_data.x->border_width; |
5059 | modified_top += f->output_data.x->border_width; | |
4a4cbdd5 KH |
5060 | } |
5061 | ||
3afe33e7 | 5062 | #ifdef USE_X_TOOLKIT |
7556890b | 5063 | XMoveWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
4a4cbdd5 | 5064 | modified_left, modified_top); |
3afe33e7 | 5065 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 5066 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
4a4cbdd5 | 5067 | modified_left, modified_top); |
3afe33e7 | 5068 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5069 | UNBLOCK_INPUT; |
5070 | } | |
5071 | ||
bc20ebbf FP |
5072 | /* Call this to change the size of frame F's x-window. |
5073 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
5074 | for this size change and subsequent size changes. | |
5075 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 5076 | |
bc20ebbf | 5077 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 5078 | struct frame *f; |
bc20ebbf | 5079 | int change_gravity; |
b1c884c3 | 5080 | int cols, rows; |
dc6f92b8 JB |
5081 | { |
5082 | int pixelwidth, pixelheight; | |
5083 | int mask; | |
aee9a898 RS |
5084 | Lisp_Object window; |
5085 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
dc6f92b8 | 5086 | |
80fd1fe2 | 5087 | BLOCK_INPUT; |
aee9a898 RS |
5088 | |
5089 | #ifdef USE_X_TOOLKIT | |
3a20653d RS |
5090 | { |
5091 | /* The x and y position of the widget is clobbered by the | |
5092 | call to XtSetValues within EmacsFrameSetCharSize. | |
5093 | This is a real kludge, but I don't understand Xt so I can't | |
5094 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
7556890b RS |
5095 | int xpos = f->output_data.x->widget->core.x; |
5096 | int ypos = f->output_data.x->widget->core.y; | |
5097 | EmacsFrameSetCharSize (f->output_data.x->edit_widget, cols, rows); | |
5098 | f->output_data.x->widget->core.x = xpos; | |
5099 | f->output_data.x->widget->core.y = ypos; | |
3a20653d | 5100 | } |
80fd1fe2 FP |
5101 | |
5102 | #else /* not USE_X_TOOLKIT */ | |
5103 | ||
b1c884c3 | 5104 | check_frame_size (f, &rows, &cols); |
7556890b | 5105 | f->output_data.x->vertical_scroll_bar_extra |
b2cad826 KH |
5106 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
5107 | ? 0 | |
5108 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
480407eb | 5109 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
7556890b | 5110 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font))); |
f451eb13 JB |
5111 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
5112 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 | 5113 | |
7556890b | 5114 | f->output_data.x->win_gravity = NorthWestGravity; |
c32cdd9a | 5115 | x_wm_set_size_hint (f, (long) 0, 0); |
6ccf47d1 | 5116 | |
334208b7 RS |
5117 | XSync (FRAME_X_DISPLAY (f), False); |
5118 | XResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
5119 | pixelwidth, pixelheight); | |
b1c884c3 JB |
5120 | |
5121 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
5122 | but the window manager will get around to dealing with the size | |
5123 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
5124 | ConfigureNotify event gets here. |
5125 | ||
5126 | We could just not bother storing any of this information here, | |
5127 | and let the ConfigureNotify event set everything up, but that | |
5128 | might be kind of confusing to the lisp code, since size changes | |
5129 | wouldn't be reported in the frame parameters until some random | |
5130 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 5131 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
5132 | PIXEL_WIDTH (f) = pixelwidth; |
5133 | PIXEL_HEIGHT (f) = pixelheight; | |
5134 | ||
aee9a898 RS |
5135 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
5136 | receive in the ConfigureNotify event; if we get what we asked | |
5137 | for, then the event won't cause the screen to become garbaged, so | |
5138 | we have to make sure to do it here. */ | |
5139 | SET_FRAME_GARBAGED (f); | |
5140 | ||
5141 | XFlush (FRAME_X_DISPLAY (f)); | |
5142 | ||
5143 | #endif /* not USE_X_TOOLKIT */ | |
5144 | ||
4d73d038 RS |
5145 | /* If cursor was outside the new size, mark it as off. */ |
5146 | if (f->phys_cursor_y >= rows | |
5147 | || f->phys_cursor_x >= cols) | |
5148 | { | |
5149 | f->phys_cursor_x = -1; | |
5150 | f->phys_cursor_y = -1; | |
5151 | } | |
5152 | ||
aee9a898 RS |
5153 | /* Clear out any recollection of where the mouse highlighting was, |
5154 | since it might be in a place that's outside the new frame size. | |
5155 | Actually checking whether it is outside is a pain in the neck, | |
5156 | so don't try--just let the highlighting be done afresh with new size. */ | |
5157 | window = dpyinfo->mouse_face_window; | |
5158 | if (! NILP (window) && XFRAME (window) == f) | |
5159 | { | |
5160 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
5161 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
5162 | dpyinfo->mouse_face_window = Qnil; | |
5163 | } | |
dbc4e1c1 | 5164 | |
dc6f92b8 JB |
5165 | UNBLOCK_INPUT; |
5166 | } | |
dc6f92b8 | 5167 | \f |
d047c4eb | 5168 | /* Mouse warping. */ |
dc6f92b8 | 5169 | |
9b378208 | 5170 | void |
f676886a JB |
5171 | x_set_mouse_position (f, x, y) |
5172 | struct frame *f; | |
dc6f92b8 JB |
5173 | int x, y; |
5174 | { | |
5175 | int pix_x, pix_y; | |
5176 | ||
7556890b RS |
5177 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.x->font) / 2; |
5178 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.x->line_height / 2; | |
f451eb13 JB |
5179 | |
5180 | if (pix_x < 0) pix_x = 0; | |
5181 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
5182 | ||
5183 | if (pix_y < 0) pix_y = 0; | |
5184 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
5185 | |
5186 | BLOCK_INPUT; | |
dc6f92b8 | 5187 | |
334208b7 RS |
5188 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
5189 | 0, 0, 0, 0, pix_x, pix_y); | |
dc6f92b8 JB |
5190 | UNBLOCK_INPUT; |
5191 | } | |
5192 | ||
9b378208 RS |
5193 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
5194 | ||
5195 | void | |
5196 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
5197 | struct frame *f; | |
5198 | int pix_x, pix_y; | |
5199 | { | |
5200 | BLOCK_INPUT; | |
5201 | ||
334208b7 RS |
5202 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
5203 | 0, 0, 0, 0, pix_x, pix_y); | |
9b378208 RS |
5204 | UNBLOCK_INPUT; |
5205 | } | |
d047c4eb KH |
5206 | \f |
5207 | /* focus shifting, raising and lowering. */ | |
9b378208 | 5208 | |
f676886a JB |
5209 | x_focus_on_frame (f) |
5210 | struct frame *f; | |
dc6f92b8 | 5211 | { |
1fb20991 | 5212 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 5213 | x_raise_frame (f); |
1fb20991 | 5214 | #endif |
6d4238f3 JB |
5215 | #if 0 |
5216 | /* I don't think that the ICCCM allows programs to do things like this | |
5217 | without the interaction of the window manager. Whatever you end up | |
f676886a | 5218 | doing with this code, do it to x_unfocus_frame too. */ |
334208b7 | 5219 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dc6f92b8 | 5220 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5221 | #endif /* ! 0 */ |
dc6f92b8 JB |
5222 | } |
5223 | ||
f676886a JB |
5224 | x_unfocus_frame (f) |
5225 | struct frame *f; | |
dc6f92b8 | 5226 | { |
6d4238f3 | 5227 | #if 0 |
f676886a | 5228 | /* Look at the remarks in x_focus_on_frame. */ |
0f941935 | 5229 | if (FRAME_X_DISPLAY_INFO (f)->x_focus_frame == f) |
334208b7 | 5230 | XSetInputFocus (FRAME_X_DISPLAY (f), PointerRoot, |
dc6f92b8 | 5231 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5232 | #endif /* ! 0 */ |
dc6f92b8 JB |
5233 | } |
5234 | ||
f676886a | 5235 | /* Raise frame F. */ |
dc6f92b8 | 5236 | |
f676886a JB |
5237 | x_raise_frame (f) |
5238 | struct frame *f; | |
dc6f92b8 | 5239 | { |
3a88c238 | 5240 | if (f->async_visible) |
dc6f92b8 JB |
5241 | { |
5242 | BLOCK_INPUT; | |
3afe33e7 | 5243 | #ifdef USE_X_TOOLKIT |
7556890b | 5244 | XRaiseWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget)); |
3afe33e7 | 5245 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 5246 | XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5247 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5248 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
5249 | UNBLOCK_INPUT; |
5250 | } | |
5251 | } | |
5252 | ||
f676886a | 5253 | /* Lower frame F. */ |
dc6f92b8 | 5254 | |
f676886a JB |
5255 | x_lower_frame (f) |
5256 | struct frame *f; | |
dc6f92b8 | 5257 | { |
3a88c238 | 5258 | if (f->async_visible) |
dc6f92b8 JB |
5259 | { |
5260 | BLOCK_INPUT; | |
3afe33e7 | 5261 | #ifdef USE_X_TOOLKIT |
7556890b | 5262 | XLowerWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget)); |
3afe33e7 | 5263 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 5264 | XLowerWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5265 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5266 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
5267 | UNBLOCK_INPUT; |
5268 | } | |
5269 | } | |
5270 | ||
dbc4e1c1 | 5271 | static void |
6b0442dc | 5272 | XTframe_raise_lower (f, raise_flag) |
dbc4e1c1 | 5273 | FRAME_PTR f; |
6b0442dc | 5274 | int raise_flag; |
dbc4e1c1 | 5275 | { |
6b0442dc | 5276 | if (raise_flag) |
dbc4e1c1 JB |
5277 | x_raise_frame (f); |
5278 | else | |
5279 | x_lower_frame (f); | |
5280 | } | |
d047c4eb KH |
5281 | \f |
5282 | /* Change of visibility. */ | |
dc6f92b8 | 5283 | |
9382638d KH |
5284 | /* This tries to wait until the frame is really visible. |
5285 | However, if the window manager asks the user where to position | |
5286 | the frame, this will return before the user finishes doing that. | |
5287 | The frame will not actually be visible at that time, | |
5288 | but it will become visible later when the window manager | |
5289 | finishes with it. */ | |
5290 | ||
f676886a JB |
5291 | x_make_frame_visible (f) |
5292 | struct frame *f; | |
dc6f92b8 JB |
5293 | { |
5294 | int mask; | |
990ba854 | 5295 | Lisp_Object type; |
dc6f92b8 | 5296 | |
dc6f92b8 | 5297 | BLOCK_INPUT; |
dc6f92b8 | 5298 | |
990ba854 RS |
5299 | type = x_icon_type (f); |
5300 | if (!NILP (type)) | |
5301 | x_bitmap_icon (f, type); | |
bdcd49ba | 5302 | |
f676886a | 5303 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 | 5304 | { |
9382638d KH |
5305 | /* We test FRAME_GARBAGED_P here to make sure we don't |
5306 | call x_set_offset a second time | |
5307 | if we get to x_make_frame_visible a second time | |
5308 | before the window gets really visible. */ | |
5309 | if (! FRAME_ICONIFIED_P (f) | |
7556890b RS |
5310 | && ! f->output_data.x->asked_for_visible) |
5311 | x_set_offset (f, f->output_data.x->left_pos, f->output_data.x->top_pos, 0); | |
dc05a16b | 5312 | |
7556890b | 5313 | f->output_data.x->asked_for_visible = 1; |
9382638d | 5314 | |
90e65f07 | 5315 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 5316 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 5317 | #ifdef USE_X_TOOLKIT |
d7a38a2e | 5318 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
7556890b | 5319 | XtMapWidget (f->output_data.x->widget); |
3afe33e7 | 5320 | #else /* not USE_X_TOOLKIT */ |
7f9c7f94 | 5321 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5322 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
5323 | #if 0 /* This seems to bring back scroll bars in the wrong places |
5324 | if the window configuration has changed. They seem | |
5325 | to come back ok without this. */ | |
ab648270 | 5326 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 5327 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 5328 | #endif |
90e65f07 | 5329 | } |
dc6f92b8 | 5330 | |
334208b7 | 5331 | XFlush (FRAME_X_DISPLAY (f)); |
90e65f07 | 5332 | |
0dacf791 RS |
5333 | /* Synchronize to ensure Emacs knows the frame is visible |
5334 | before we do anything else. We do this loop with input not blocked | |
5335 | so that incoming events are handled. */ | |
5336 | { | |
5337 | Lisp_Object frame; | |
c0a04927 RS |
5338 | int count = input_signal_count; |
5339 | ||
5340 | /* This must come after we set COUNT. */ | |
5341 | UNBLOCK_INPUT; | |
5342 | ||
e0c1aef2 | 5343 | XSETFRAME (frame, f); |
c0a04927 RS |
5344 | |
5345 | while (1) | |
2a6cf806 | 5346 | { |
334208b7 | 5347 | x_sync (f); |
c0a04927 RS |
5348 | /* Once we have handled input events, |
5349 | we should have received the MapNotify if one is coming. | |
5350 | So if we have not got it yet, stop looping. | |
5351 | Some window managers make their own decisions | |
5352 | about visibility. */ | |
5353 | if (input_signal_count != count) | |
5354 | break; | |
c12a7cbd | 5355 | /* Machines that do polling rather than SIGIO have been observed |
23cf7c60 KH |
5356 | to go into a busy-wait here. So we'll fake an alarm signal |
5357 | to let the handler know that there's something to be read. | |
5358 | We used to raise a real alarm, but it seems that the handler | |
5359 | isn't always enabled here. This is probably a bug. */ | |
8b2f8d4e | 5360 | if (input_polling_used ()) |
3b2fa4e6 RS |
5361 | { |
5362 | /* It could be confusing if a real alarm arrives while processing | |
5363 | the fake one. Turn it off and let the handler reset it. */ | |
5364 | alarm (0); | |
5365 | input_poll_signal (); | |
5366 | } | |
c0a04927 RS |
5367 | /* Once we have handled input events, |
5368 | we should have received the MapNotify if one is coming. | |
5369 | So if we have not got it yet, stop looping. | |
5370 | Some window managers make their own decisions | |
5371 | about visibility. */ | |
5372 | if (input_signal_count != count) | |
5373 | break; | |
2a6cf806 | 5374 | } |
0dacf791 RS |
5375 | FRAME_SAMPLE_VISIBILITY (f); |
5376 | } | |
dc6f92b8 JB |
5377 | } |
5378 | ||
5379 | /* Change from mapped state to withdrawn state. */ | |
5380 | ||
d047c4eb KH |
5381 | /* Make the frame visible (mapped and not iconified). */ |
5382 | ||
f676886a JB |
5383 | x_make_frame_invisible (f) |
5384 | struct frame *f; | |
dc6f92b8 JB |
5385 | { |
5386 | int mask; | |
546e6d5b RS |
5387 | Window window; |
5388 | ||
5389 | #ifdef USE_X_TOOLKIT | |
5390 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
7556890b | 5391 | window = XtWindow (f->output_data.x->widget); |
546e6d5b RS |
5392 | #else /* not USE_X_TOOLKIT */ |
5393 | window = FRAME_X_WINDOW (f); | |
5394 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5395 | |
9319ae23 | 5396 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
5397 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
5398 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 5399 | |
5627c40e | 5400 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5401 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5402 | return; |
5627c40e | 5403 | #endif |
dc6f92b8 JB |
5404 | |
5405 | BLOCK_INPUT; | |
c118dd06 | 5406 | |
af31d76f RS |
5407 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
5408 | that the current position of the window is user-specified, rather than | |
5409 | program-specified, so that when the window is mapped again, it will be | |
5410 | placed at the same location, without forcing the user to position it | |
5411 | by hand again (they have already done that once for this window.) */ | |
c32cdd9a | 5412 | x_wm_set_size_hint (f, (long) 0, 1); |
af31d76f | 5413 | |
c118dd06 JB |
5414 | #ifdef HAVE_X11R4 |
5415 | ||
334208b7 RS |
5416 | if (! XWithdrawWindow (FRAME_X_DISPLAY (f), window, |
5417 | DefaultScreen (FRAME_X_DISPLAY (f)))) | |
c118dd06 JB |
5418 | { |
5419 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5420 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 5421 | } |
c118dd06 | 5422 | #else /* ! defined (HAVE_X11R4) */ |
16bd92ea | 5423 | |
c118dd06 | 5424 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5425 | if (! EQ (Vx_no_window_manager, Qt)) |
5426 | { | |
16bd92ea | 5427 | XEvent unmap; |
dc6f92b8 | 5428 | |
16bd92ea | 5429 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 5430 | unmap.xunmap.window = window; |
334208b7 | 5431 | unmap.xunmap.event = DefaultRootWindow (FRAME_X_DISPLAY (f)); |
16bd92ea | 5432 | unmap.xunmap.from_configure = False; |
334208b7 RS |
5433 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5434 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5435 | False, |
5436 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5437 | &unmap)) | |
5438 | { | |
5439 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5440 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 5441 | } |
dc6f92b8 JB |
5442 | } |
5443 | ||
16bd92ea | 5444 | /* Unmap the window ourselves. Cheeky! */ |
334208b7 | 5445 | XUnmapWindow (FRAME_X_DISPLAY (f), window); |
c118dd06 | 5446 | #endif /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 5447 | |
5627c40e RS |
5448 | /* We can't distinguish this from iconification |
5449 | just by the event that we get from the server. | |
5450 | So we can't win using the usual strategy of letting | |
5451 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5452 | and synchronize with the server to make sure we agree. */ | |
5453 | f->visible = 0; | |
5454 | FRAME_ICONIFIED_P (f) = 0; | |
5455 | f->async_visible = 0; | |
5456 | f->async_iconified = 0; | |
5457 | ||
334208b7 | 5458 | x_sync (f); |
5627c40e | 5459 | |
dc6f92b8 JB |
5460 | UNBLOCK_INPUT; |
5461 | } | |
5462 | ||
dc6f92b8 JB |
5463 | /* Change window state from mapped to iconified. */ |
5464 | ||
f676886a JB |
5465 | x_iconify_frame (f) |
5466 | struct frame *f; | |
dc6f92b8 JB |
5467 | { |
5468 | int mask; | |
3afe33e7 | 5469 | int result; |
990ba854 | 5470 | Lisp_Object type; |
dc6f92b8 | 5471 | |
9319ae23 | 5472 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
5473 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
5474 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 5475 | |
3a88c238 | 5476 | if (f->async_iconified) |
dc6f92b8 JB |
5477 | return; |
5478 | ||
3afe33e7 | 5479 | BLOCK_INPUT; |
546e6d5b | 5480 | |
9af3143a RS |
5481 | FRAME_SAMPLE_VISIBILITY (f); |
5482 | ||
990ba854 RS |
5483 | type = x_icon_type (f); |
5484 | if (!NILP (type)) | |
5485 | x_bitmap_icon (f, type); | |
bdcd49ba RS |
5486 | |
5487 | #ifdef USE_X_TOOLKIT | |
5488 | ||
546e6d5b RS |
5489 | if (! FRAME_VISIBLE_P (f)) |
5490 | { | |
5491 | if (! EQ (Vx_no_window_manager, Qt)) | |
5492 | x_wm_set_window_state (f, IconicState); | |
5493 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
7556890b | 5494 | XtMapWidget (f->output_data.x->widget); |
546e6d5b RS |
5495 | UNBLOCK_INPUT; |
5496 | return; | |
5497 | } | |
5498 | ||
334208b7 | 5499 | result = XIconifyWindow (FRAME_X_DISPLAY (f), |
7556890b | 5500 | XtWindow (f->output_data.x->widget), |
334208b7 | 5501 | DefaultScreen (FRAME_X_DISPLAY (f))); |
3afe33e7 RS |
5502 | UNBLOCK_INPUT; |
5503 | ||
5504 | if (!result) | |
546e6d5b | 5505 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
5506 | |
5507 | f->async_iconified = 1; | |
8c002a25 KH |
5508 | |
5509 | BLOCK_INPUT; | |
334208b7 | 5510 | XFlush (FRAME_X_DISPLAY (f)); |
8c002a25 | 5511 | UNBLOCK_INPUT; |
3afe33e7 RS |
5512 | #else /* not USE_X_TOOLKIT */ |
5513 | ||
fd13dbb2 RS |
5514 | /* Make sure the X server knows where the window should be positioned, |
5515 | in case the user deiconifies with the window manager. */ | |
5516 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
7556890b | 5517 | x_set_offset (f, f->output_data.x->left_pos, f->output_data.x->top_pos, 0); |
fd13dbb2 | 5518 | |
16bd92ea JB |
5519 | /* Since we don't know which revision of X we're running, we'll use both |
5520 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5521 | ||
5522 | /* X11R4: send a ClientMessage to the window manager using the | |
5523 | WM_CHANGE_STATE type. */ | |
5524 | { | |
5525 | XEvent message; | |
58769bee | 5526 | |
c118dd06 | 5527 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea | 5528 | message.xclient.type = ClientMessage; |
334208b7 | 5529 | message.xclient.message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_change_state; |
16bd92ea JB |
5530 | message.xclient.format = 32; |
5531 | message.xclient.data.l[0] = IconicState; | |
5532 | ||
334208b7 RS |
5533 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5534 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5535 | False, |
5536 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5537 | &message)) | |
dc6f92b8 JB |
5538 | { |
5539 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5540 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 5541 | } |
16bd92ea | 5542 | } |
dc6f92b8 | 5543 | |
58769bee | 5544 | /* X11R3: set the initial_state field of the window manager hints to |
16bd92ea JB |
5545 | IconicState. */ |
5546 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5547 | |
a9c00105 RS |
5548 | if (!FRAME_VISIBLE_P (f)) |
5549 | { | |
5550 | /* If the frame was withdrawn, before, we must map it. */ | |
7f9c7f94 | 5551 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
a9c00105 RS |
5552 | } |
5553 | ||
3a88c238 | 5554 | f->async_iconified = 1; |
dc6f92b8 | 5555 | |
334208b7 | 5556 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5557 | UNBLOCK_INPUT; |
8c002a25 | 5558 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5559 | } |
d047c4eb | 5560 | \f |
c0ff3fab | 5561 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5562 | |
c0ff3fab | 5563 | x_destroy_window (f) |
f676886a | 5564 | struct frame *f; |
dc6f92b8 | 5565 | { |
7f9c7f94 RS |
5566 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
5567 | ||
dc6f92b8 | 5568 | BLOCK_INPUT; |
c0ff3fab | 5569 | |
6186a4a0 RS |
5570 | /* If a display connection is dead, don't try sending more |
5571 | commands to the X server. */ | |
5572 | if (dpyinfo->display != 0) | |
5573 | { | |
5574 | if (f->output_data.x->icon_desc != 0) | |
5575 | XDestroyWindow (FRAME_X_DISPLAY (f), f->output_data.x->icon_desc); | |
5576 | XDestroyWindow (FRAME_X_DISPLAY (f), f->output_data.x->window_desc); | |
3afe33e7 | 5577 | #ifdef USE_X_TOOLKIT |
6186a4a0 RS |
5578 | XtDestroyWidget (f->output_data.x->widget); |
5579 | free_frame_menubar (f); | |
3afe33e7 RS |
5580 | #endif /* USE_X_TOOLKIT */ |
5581 | ||
6186a4a0 RS |
5582 | free_frame_faces (f); |
5583 | XFlush (FRAME_X_DISPLAY (f)); | |
5584 | } | |
dc6f92b8 | 5585 | |
7556890b RS |
5586 | xfree (f->output_data.x); |
5587 | f->output_data.x = 0; | |
0f941935 KH |
5588 | if (f == dpyinfo->x_focus_frame) |
5589 | dpyinfo->x_focus_frame = 0; | |
5590 | if (f == dpyinfo->x_focus_event_frame) | |
5591 | dpyinfo->x_focus_event_frame = 0; | |
5592 | if (f == dpyinfo->x_highlight_frame) | |
5593 | dpyinfo->x_highlight_frame = 0; | |
c0ff3fab | 5594 | |
7f9c7f94 RS |
5595 | dpyinfo->reference_count--; |
5596 | ||
5597 | if (f == dpyinfo->mouse_face_mouse_frame) | |
dc05a16b | 5598 | { |
7f9c7f94 RS |
5599 | dpyinfo->mouse_face_beg_row |
5600 | = dpyinfo->mouse_face_beg_col = -1; | |
5601 | dpyinfo->mouse_face_end_row | |
5602 | = dpyinfo->mouse_face_end_col = -1; | |
5603 | dpyinfo->mouse_face_window = Qnil; | |
dc05a16b | 5604 | } |
0134a210 | 5605 | |
c0ff3fab | 5606 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5607 | } |
5608 | \f | |
f451eb13 JB |
5609 | /* Setting window manager hints. */ |
5610 | ||
af31d76f RS |
5611 | /* Set the normal size hints for the window manager, for frame F. |
5612 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5613 | that the window now has. | |
5614 | If USER_POSITION is nonzero, we set the USPosition | |
5615 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5616 | |
af31d76f | 5617 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5618 | struct frame *f; |
af31d76f RS |
5619 | long flags; |
5620 | int user_position; | |
dc6f92b8 JB |
5621 | { |
5622 | XSizeHints size_hints; | |
3afe33e7 RS |
5623 | |
5624 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5625 | Arg al[2]; |
5626 | int ac = 0; | |
5627 | Dimension widget_width, widget_height; | |
7556890b | 5628 | Window window = XtWindow (f->output_data.x->widget); |
3afe33e7 | 5629 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5630 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5631 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5632 | |
b72a58fd RS |
5633 | /* Setting PMaxSize caused various problems. */ |
5634 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5635 | |
f676886a JB |
5636 | flexlines = f->height; |
5637 | ||
7556890b RS |
5638 | size_hints.x = f->output_data.x->left_pos; |
5639 | size_hints.y = f->output_data.x->top_pos; | |
7553a6b7 | 5640 | |
7e4f2521 FP |
5641 | #ifdef USE_X_TOOLKIT |
5642 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5643 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
7556890b | 5644 | XtGetValues (f->output_data.x->widget, al, ac); |
7e4f2521 FP |
5645 | size_hints.height = widget_height; |
5646 | size_hints.width = widget_width; | |
5647 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5648 | size_hints.height = PIXEL_HEIGHT (f); |
5649 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5650 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5651 | |
7556890b RS |
5652 | size_hints.width_inc = FONT_WIDTH (f->output_data.x->font); |
5653 | size_hints.height_inc = f->output_data.x->line_height; | |
334208b7 RS |
5654 | size_hints.max_width |
5655 | = FRAME_X_DISPLAY_INFO (f)->width - CHAR_TO_PIXEL_WIDTH (f, 0); | |
5656 | size_hints.max_height | |
5657 | = FRAME_X_DISPLAY_INFO (f)->height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5658 | |
d067ea8b KH |
5659 | /* Calculate the base and minimum sizes. |
5660 | ||
5661 | (When we use the X toolkit, we don't do it here. | |
5662 | Instead we copy the values that the widgets are using, below.) */ | |
5663 | #ifndef USE_X_TOOLKIT | |
b1c884c3 | 5664 | { |
b0342f17 | 5665 | int base_width, base_height; |
0134a210 | 5666 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5667 | |
f451eb13 JB |
5668 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5669 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5670 | |
0134a210 | 5671 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5672 | |
0134a210 RS |
5673 | /* The window manager uses the base width hints to calculate the |
5674 | current number of rows and columns in the frame while | |
5675 | resizing; min_width and min_height aren't useful for this | |
5676 | purpose, since they might not give the dimensions for a | |
5677 | zero-row, zero-column frame. | |
58769bee | 5678 | |
0134a210 RS |
5679 | We use the base_width and base_height members if we have |
5680 | them; otherwise, we set the min_width and min_height members | |
5681 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5682 | |
5683 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5684 | size_hints.flags |= PBaseSize; |
5685 | size_hints.base_width = base_width; | |
5686 | size_hints.base_height = base_height; | |
5687 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5688 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5689 | #else |
0134a210 RS |
5690 | size_hints.min_width = base_width; |
5691 | size_hints.min_height = base_height; | |
b0342f17 | 5692 | #endif |
b1c884c3 | 5693 | } |
dc6f92b8 | 5694 | |
d067ea8b | 5695 | /* If we don't need the old flags, we don't need the old hint at all. */ |
af31d76f | 5696 | if (flags) |
dc6f92b8 | 5697 | { |
d067ea8b KH |
5698 | size_hints.flags |= flags; |
5699 | goto no_read; | |
5700 | } | |
5701 | #endif /* not USE_X_TOOLKIT */ | |
5702 | ||
5703 | { | |
5704 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
5705 | long supplied_return; | |
5706 | int value; | |
af31d76f RS |
5707 | |
5708 | #ifdef HAVE_X11R4 | |
d067ea8b KH |
5709 | value = XGetWMNormalHints (FRAME_X_DISPLAY (f), window, &hints, |
5710 | &supplied_return); | |
af31d76f | 5711 | #else |
d067ea8b | 5712 | value = XGetNormalHints (FRAME_X_DISPLAY (f), window, &hints); |
af31d76f | 5713 | #endif |
58769bee | 5714 | |
d067ea8b KH |
5715 | #ifdef USE_X_TOOLKIT |
5716 | size_hints.base_height = hints.base_height; | |
5717 | size_hints.base_width = hints.base_width; | |
5718 | size_hints.min_height = hints.min_height; | |
5719 | size_hints.min_width = hints.min_width; | |
5720 | #endif | |
5721 | ||
5722 | if (flags) | |
5723 | size_hints.flags |= flags; | |
5724 | else | |
5725 | { | |
5726 | if (value == 0) | |
5727 | hints.flags = 0; | |
5728 | if (hints.flags & PSize) | |
5729 | size_hints.flags |= PSize; | |
5730 | if (hints.flags & PPosition) | |
5731 | size_hints.flags |= PPosition; | |
5732 | if (hints.flags & USPosition) | |
5733 | size_hints.flags |= USPosition; | |
5734 | if (hints.flags & USSize) | |
5735 | size_hints.flags |= USSize; | |
5736 | } | |
5737 | } | |
5738 | ||
5739 | no_read: | |
0134a210 | 5740 | |
af31d76f | 5741 | #ifdef PWinGravity |
7556890b | 5742 | size_hints.win_gravity = f->output_data.x->win_gravity; |
af31d76f | 5743 | size_hints.flags |= PWinGravity; |
dc05a16b | 5744 | |
af31d76f | 5745 | if (user_position) |
6dba1858 | 5746 | { |
af31d76f RS |
5747 | size_hints.flags &= ~ PPosition; |
5748 | size_hints.flags |= USPosition; | |
6dba1858 | 5749 | } |
2554751d | 5750 | #endif /* PWinGravity */ |
6dba1858 | 5751 | |
b0342f17 | 5752 | #ifdef HAVE_X11R4 |
334208b7 | 5753 | XSetWMNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5754 | #else |
334208b7 | 5755 | XSetNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5756 | #endif |
dc6f92b8 JB |
5757 | } |
5758 | ||
5759 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5760 | x_wm_set_window_state (f, state) |
5761 | struct frame *f; | |
dc6f92b8 JB |
5762 | int state; |
5763 | { | |
3afe33e7 | 5764 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
5765 | Arg al[1]; |
5766 | ||
5767 | XtSetArg (al[0], XtNinitialState, state); | |
7556890b | 5768 | XtSetValues (f->output_data.x->widget, al, 1); |
3afe33e7 | 5769 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5770 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5771 | |
7556890b RS |
5772 | f->output_data.x->wm_hints.flags |= StateHint; |
5773 | f->output_data.x->wm_hints.initial_state = state; | |
b1c884c3 | 5774 | |
7556890b | 5775 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); |
546e6d5b | 5776 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5777 | } |
5778 | ||
7f2ae036 | 5779 | x_wm_set_icon_pixmap (f, pixmap_id) |
f676886a | 5780 | struct frame *f; |
7f2ae036 | 5781 | int pixmap_id; |
dc6f92b8 | 5782 | { |
75231bad | 5783 | #ifdef USE_X_TOOLKIT |
7556890b | 5784 | Window window = XtWindow (f->output_data.x->widget); |
75231bad | 5785 | #else |
c118dd06 | 5786 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5787 | #endif |
dc6f92b8 | 5788 | |
7f2ae036 | 5789 | if (pixmap_id > 0) |
dbc4e1c1 | 5790 | { |
7a13e894 | 5791 | Pixmap icon_pixmap = x_bitmap_pixmap (f, pixmap_id); |
7556890b | 5792 | f->output_data.x->wm_hints.icon_pixmap = icon_pixmap; |
dbc4e1c1 JB |
5793 | } |
5794 | else | |
68568555 RS |
5795 | { |
5796 | /* It seems there is no way to turn off use of an icon pixmap. | |
5797 | The following line does it, only if no icon has yet been created, | |
5798 | for some window managers. But with mwm it crashes. | |
5799 | Some people say it should clear the IconPixmapHint bit in this case, | |
5800 | but that doesn't work, and the X consortium said it isn't the | |
5801 | right thing at all. Since there is no way to win, | |
5802 | best to explicitly give up. */ | |
5803 | #if 0 | |
5804 | f->output_data.x->wm_hints.icon_pixmap = None; | |
5805 | #else | |
5806 | return; | |
5807 | #endif | |
5808 | } | |
b1c884c3 | 5809 | |
7556890b RS |
5810 | f->output_data.x->wm_hints.flags |= IconPixmapHint; |
5811 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); | |
dc6f92b8 JB |
5812 | } |
5813 | ||
f676886a JB |
5814 | x_wm_set_icon_position (f, icon_x, icon_y) |
5815 | struct frame *f; | |
dc6f92b8 JB |
5816 | int icon_x, icon_y; |
5817 | { | |
75231bad | 5818 | #ifdef USE_X_TOOLKIT |
7556890b | 5819 | Window window = XtWindow (f->output_data.x->widget); |
75231bad | 5820 | #else |
c118dd06 | 5821 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5822 | #endif |
dc6f92b8 | 5823 | |
7556890b RS |
5824 | f->output_data.x->wm_hints.flags |= IconPositionHint; |
5825 | f->output_data.x->wm_hints.icon_x = icon_x; | |
5826 | f->output_data.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5827 | |
7556890b | 5828 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); |
dc6f92b8 JB |
5829 | } |
5830 | ||
5831 | \f | |
f451eb13 JB |
5832 | /* Initialization. */ |
5833 | ||
3afe33e7 RS |
5834 | #ifdef USE_X_TOOLKIT |
5835 | static XrmOptionDescRec emacs_options[] = { | |
5836 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5837 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5838 | ||
5839 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5840 | XrmoptionSepArg, NULL}, | |
5841 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5842 | ||
5843 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5844 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5845 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5846 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5847 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5848 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
5849 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
5850 | }; | |
5851 | #endif /* USE_X_TOOLKIT */ | |
5852 | ||
7a13e894 RS |
5853 | static int x_initialized; |
5854 | ||
29b38361 KH |
5855 | #ifdef MULTI_KBOARD |
5856 | /* Test whether two display-name strings agree up to the dot that separates | |
5857 | the screen number from the server number. */ | |
5858 | static int | |
5859 | same_x_server (name1, name2) | |
5860 | char *name1, *name2; | |
5861 | { | |
5862 | int seen_colon = 0; | |
5863 | for (; *name1 != '\0' && *name1 == *name2; name1++, name2++) | |
5864 | { | |
5865 | if (*name1 == ':') | |
5866 | seen_colon++; | |
5867 | if (seen_colon && *name1 == '.') | |
5868 | return 1; | |
5869 | } | |
5870 | return (seen_colon | |
5871 | && (*name1 == '.' || *name1 == '\0') | |
5872 | && (*name2 == '.' || *name2 == '\0')); | |
5873 | } | |
5874 | #endif | |
5875 | ||
334208b7 | 5876 | struct x_display_info * |
1f8255f2 | 5877 | x_term_init (display_name, xrm_option, resource_name) |
334208b7 | 5878 | Lisp_Object display_name; |
1f8255f2 RS |
5879 | char *xrm_option; |
5880 | char *resource_name; | |
dc6f92b8 | 5881 | { |
f676886a | 5882 | Lisp_Object frame; |
dc6f92b8 | 5883 | char *defaultvalue; |
334208b7 | 5884 | int connection; |
7a13e894 | 5885 | Display *dpy; |
334208b7 RS |
5886 | struct x_display_info *dpyinfo; |
5887 | XrmDatabase xrdb; | |
5888 | ||
60439948 KH |
5889 | BLOCK_INPUT; |
5890 | ||
7a13e894 RS |
5891 | if (!x_initialized) |
5892 | { | |
5893 | x_initialize (); | |
5894 | x_initialized = 1; | |
5895 | } | |
dc6f92b8 | 5896 | |
6c183ba5 | 5897 | #ifdef HAVE_X_I18N |
6186a4a0 | 5898 | setlocale (LC_ALL, ""); |
6c183ba5 RS |
5899 | #endif |
5900 | ||
3afe33e7 | 5901 | #ifdef USE_X_TOOLKIT |
2d7fc7e8 RS |
5902 | /* weiner@footloose.sps.mot.com reports that this causes |
5903 | errors with X11R5: | |
5904 | X protocol error: BadAtom (invalid Atom parameter) | |
5905 | on protocol request 18skiloaf. | |
5906 | So let's not use it until R6. */ | |
5907 | #ifdef HAVE_X11XTR6 | |
bdcd49ba RS |
5908 | XtSetLanguageProc (NULL, NULL, NULL); |
5909 | #endif | |
5910 | ||
7f9c7f94 RS |
5911 | { |
5912 | int argc = 0; | |
5913 | char *argv[3]; | |
5914 | ||
5915 | argv[0] = ""; | |
5916 | argc = 1; | |
5917 | if (xrm_option) | |
5918 | { | |
5919 | argv[argc++] = "-xrm"; | |
5920 | argv[argc++] = xrm_option; | |
5921 | } | |
5922 | dpy = XtOpenDisplay (Xt_app_con, XSTRING (display_name)->data, | |
5923 | resource_name, EMACS_CLASS, | |
5924 | emacs_options, XtNumber (emacs_options), | |
5925 | &argc, argv); | |
39d8bb4d KH |
5926 | |
5927 | #ifdef HAVE_X11XTR6 | |
5928 | setlocale (LC_NUMERIC, "C"); | |
5929 | setlocale (LC_TIME, "C"); | |
5930 | #endif | |
7f9c7f94 | 5931 | } |
3afe33e7 RS |
5932 | |
5933 | #else /* not USE_X_TOOLKIT */ | |
bdcd49ba RS |
5934 | #ifdef HAVE_X11R5 |
5935 | XSetLocaleModifiers (""); | |
5936 | #endif | |
7a13e894 | 5937 | dpy = XOpenDisplay (XSTRING (display_name)->data); |
3afe33e7 | 5938 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5939 | |
7a13e894 RS |
5940 | /* Detect failure. */ |
5941 | if (dpy == 0) | |
60439948 KH |
5942 | { |
5943 | UNBLOCK_INPUT; | |
5944 | return 0; | |
5945 | } | |
7a13e894 RS |
5946 | |
5947 | /* We have definitely succeeded. Record the new connection. */ | |
5948 | ||
5949 | dpyinfo = (struct x_display_info *) xmalloc (sizeof (struct x_display_info)); | |
5950 | ||
29b38361 KH |
5951 | #ifdef MULTI_KBOARD |
5952 | { | |
5953 | struct x_display_info *share; | |
5954 | Lisp_Object tail; | |
5955 | ||
5956 | for (share = x_display_list, tail = x_display_name_list; share; | |
5957 | share = share->next, tail = XCONS (tail)->cdr) | |
5958 | if (same_x_server (XSTRING (XCONS (XCONS (tail)->car)->car)->data, | |
5959 | XSTRING (display_name)->data)) | |
5960 | break; | |
5961 | if (share) | |
5962 | dpyinfo->kboard = share->kboard; | |
5963 | else | |
5964 | { | |
5965 | dpyinfo->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); | |
5966 | init_kboard (dpyinfo->kboard); | |
59e755be KH |
5967 | if (!EQ (XSYMBOL (Qvendor_specific_keysyms)->function, Qunbound)) |
5968 | { | |
5969 | char *vendor = ServerVendor (dpy); | |
5970 | dpyinfo->kboard->Vsystem_key_alist | |
5971 | = call1 (Qvendor_specific_keysyms, | |
5972 | build_string (vendor ? vendor : "")); | |
5973 | } | |
5974 | ||
29b38361 KH |
5975 | dpyinfo->kboard->next_kboard = all_kboards; |
5976 | all_kboards = dpyinfo->kboard; | |
0ad5446c KH |
5977 | /* Don't let the initial kboard remain current longer than necessary. |
5978 | That would cause problems if a file loaded on startup tries to | |
5979 | prompt in the minibuffer. */ | |
5980 | if (current_kboard == initial_kboard) | |
5981 | current_kboard = dpyinfo->kboard; | |
29b38361 KH |
5982 | } |
5983 | dpyinfo->kboard->reference_count++; | |
5984 | } | |
b9737ad3 KH |
5985 | #endif |
5986 | ||
7a13e894 RS |
5987 | /* Put this display on the chain. */ |
5988 | dpyinfo->next = x_display_list; | |
5989 | x_display_list = dpyinfo; | |
5990 | ||
5991 | /* Put it on x_display_name_list as well, to keep them parallel. */ | |
5992 | x_display_name_list = Fcons (Fcons (display_name, Qnil), | |
5993 | x_display_name_list); | |
5994 | dpyinfo->name_list_element = XCONS (x_display_name_list)->car; | |
5995 | ||
5996 | dpyinfo->display = dpy; | |
dc6f92b8 | 5997 | |
dc6f92b8 | 5998 | #if 0 |
7a13e894 | 5999 | XSetAfterFunction (x_current_display, x_trace_wire); |
c118dd06 | 6000 | #endif /* ! 0 */ |
7a13e894 RS |
6001 | |
6002 | dpyinfo->x_id_name | |
6003 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size | |
6004 | + XSTRING (Vsystem_name)->size | |
6005 | + 2); | |
6006 | sprintf (dpyinfo->x_id_name, "%s@%s", | |
6007 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
28430d3c JB |
6008 | |
6009 | /* Figure out which modifier bits mean what. */ | |
334208b7 | 6010 | x_find_modifier_meanings (dpyinfo); |
f451eb13 | 6011 | |
ab648270 | 6012 | /* Get the scroll bar cursor. */ |
7a13e894 | 6013 | dpyinfo->vertical_scroll_bar_cursor |
334208b7 | 6014 | = XCreateFontCursor (dpyinfo->display, XC_sb_v_double_arrow); |
f451eb13 | 6015 | |
334208b7 RS |
6016 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
6017 | resource_name, EMACS_CLASS); | |
6018 | #ifdef HAVE_XRMSETDATABASE | |
6019 | XrmSetDatabase (dpyinfo->display, xrdb); | |
6020 | #else | |
6021 | dpyinfo->display->db = xrdb; | |
6022 | #endif | |
547d9db8 | 6023 | /* Put the rdb where we can find it in a way that works on |
7a13e894 RS |
6024 | all versions. */ |
6025 | dpyinfo->xrdb = xrdb; | |
334208b7 RS |
6026 | |
6027 | dpyinfo->screen = ScreenOfDisplay (dpyinfo->display, | |
6028 | DefaultScreen (dpyinfo->display)); | |
6029 | dpyinfo->visual = select_visual (dpyinfo->display, dpyinfo->screen, | |
6030 | &dpyinfo->n_planes); | |
6031 | dpyinfo->height = HeightOfScreen (dpyinfo->screen); | |
6032 | dpyinfo->width = WidthOfScreen (dpyinfo->screen); | |
6033 | dpyinfo->root_window = RootWindowOfScreen (dpyinfo->screen); | |
6034 | dpyinfo->grabbed = 0; | |
6035 | dpyinfo->reference_count = 0; | |
6036 | dpyinfo->icon_bitmap_id = -1; | |
7a13e894 RS |
6037 | dpyinfo->n_fonts = 0; |
6038 | dpyinfo->font_table_size = 0; | |
6039 | dpyinfo->bitmaps = 0; | |
6040 | dpyinfo->bitmaps_size = 0; | |
6041 | dpyinfo->bitmaps_last = 0; | |
6042 | dpyinfo->scratch_cursor_gc = 0; | |
6043 | dpyinfo->mouse_face_mouse_frame = 0; | |
6044 | dpyinfo->mouse_face_deferred_gc = 0; | |
6045 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
6046 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
6047 | dpyinfo->mouse_face_face_id = 0; | |
6048 | dpyinfo->mouse_face_window = Qnil; | |
6049 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; | |
6050 | dpyinfo->mouse_face_defer = 0; | |
0f941935 KH |
6051 | dpyinfo->x_focus_frame = 0; |
6052 | dpyinfo->x_focus_event_frame = 0; | |
6053 | dpyinfo->x_highlight_frame = 0; | |
334208b7 RS |
6054 | |
6055 | dpyinfo->Xatom_wm_protocols | |
6056 | = XInternAtom (dpyinfo->display, "WM_PROTOCOLS", False); | |
6057 | dpyinfo->Xatom_wm_take_focus | |
6058 | = XInternAtom (dpyinfo->display, "WM_TAKE_FOCUS", False); | |
6059 | dpyinfo->Xatom_wm_save_yourself | |
6060 | = XInternAtom (dpyinfo->display, "WM_SAVE_YOURSELF", False); | |
6061 | dpyinfo->Xatom_wm_delete_window | |
6062 | = XInternAtom (dpyinfo->display, "WM_DELETE_WINDOW", False); | |
6063 | dpyinfo->Xatom_wm_change_state | |
6064 | = XInternAtom (dpyinfo->display, "WM_CHANGE_STATE", False); | |
6065 | dpyinfo->Xatom_wm_configure_denied | |
6066 | = XInternAtom (dpyinfo->display, "WM_CONFIGURE_DENIED", False); | |
6067 | dpyinfo->Xatom_wm_window_moved | |
6068 | = XInternAtom (dpyinfo->display, "WM_MOVED", False); | |
6069 | dpyinfo->Xatom_editres | |
6070 | = XInternAtom (dpyinfo->display, "Editres", False); | |
6071 | dpyinfo->Xatom_CLIPBOARD | |
6072 | = XInternAtom (dpyinfo->display, "CLIPBOARD", False); | |
6073 | dpyinfo->Xatom_TIMESTAMP | |
6074 | = XInternAtom (dpyinfo->display, "TIMESTAMP", False); | |
6075 | dpyinfo->Xatom_TEXT | |
6076 | = XInternAtom (dpyinfo->display, "TEXT", False); | |
6077 | dpyinfo->Xatom_DELETE | |
6078 | = XInternAtom (dpyinfo->display, "DELETE", False); | |
6079 | dpyinfo->Xatom_MULTIPLE | |
6080 | = XInternAtom (dpyinfo->display, "MULTIPLE", False); | |
6081 | dpyinfo->Xatom_INCR | |
6082 | = XInternAtom (dpyinfo->display, "INCR", False); | |
6083 | dpyinfo->Xatom_EMACS_TMP | |
6084 | = XInternAtom (dpyinfo->display, "_EMACS_TMP_", False); | |
6085 | dpyinfo->Xatom_TARGETS | |
6086 | = XInternAtom (dpyinfo->display, "TARGETS", False); | |
6087 | dpyinfo->Xatom_NULL | |
6088 | = XInternAtom (dpyinfo->display, "NULL", False); | |
6089 | dpyinfo->Xatom_ATOM_PAIR | |
6090 | = XInternAtom (dpyinfo->display, "ATOM_PAIR", False); | |
6091 | ||
547d9db8 KH |
6092 | dpyinfo->cut_buffers_initialized = 0; |
6093 | ||
334208b7 RS |
6094 | connection = ConnectionNumber (dpyinfo->display); |
6095 | dpyinfo->connection = connection; | |
6096 | ||
87485d6f MW |
6097 | #ifdef subprocesses |
6098 | /* This is only needed for distinguishing keyboard and process input. */ | |
334208b7 | 6099 | if (connection != 0) |
7a13e894 | 6100 | add_keyboard_wait_descriptor (connection); |
87485d6f | 6101 | #endif |
6d4238f3 | 6102 | |
041b69ac | 6103 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 6104 | #ifdef F_SETOWN |
dc6f92b8 | 6105 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 | 6106 | /* stdin is a socket here */ |
334208b7 | 6107 | fcntl (connection, F_SETOWN, -getpid ()); |
c118dd06 | 6108 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
334208b7 | 6109 | fcntl (connection, F_SETOWN, getpid ()); |
c118dd06 JB |
6110 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
6111 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 6112 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
6113 | |
6114 | #ifdef SIGIO | |
eee20f6a KH |
6115 | if (interrupt_input) |
6116 | init_sigio (connection); | |
c118dd06 | 6117 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 6118 | |
60439948 KH |
6119 | UNBLOCK_INPUT; |
6120 | ||
7a13e894 RS |
6121 | return dpyinfo; |
6122 | } | |
6123 | \f | |
6124 | /* Get rid of display DPYINFO, assuming all frames are already gone, | |
6125 | and without sending any more commands to the X server. */ | |
dc6f92b8 | 6126 | |
7a13e894 RS |
6127 | void |
6128 | x_delete_display (dpyinfo) | |
6129 | struct x_display_info *dpyinfo; | |
6130 | { | |
6131 | delete_keyboard_wait_descriptor (dpyinfo->connection); | |
6132 | ||
6133 | /* Discard this display from x_display_name_list and x_display_list. | |
6134 | We can't use Fdelq because that can quit. */ | |
6135 | if (! NILP (x_display_name_list) | |
6136 | && EQ (XCONS (x_display_name_list)->car, dpyinfo->name_list_element)) | |
6137 | x_display_name_list = XCONS (x_display_name_list)->cdr; | |
6138 | else | |
6139 | { | |
6140 | Lisp_Object tail; | |
6141 | ||
6142 | tail = x_display_name_list; | |
6143 | while (CONSP (tail) && CONSP (XCONS (tail)->cdr)) | |
6144 | { | |
6145 | if (EQ (XCONS (XCONS (tail)->cdr)->car, | |
6146 | dpyinfo->name_list_element)) | |
6147 | { | |
6148 | XCONS (tail)->cdr = XCONS (XCONS (tail)->cdr)->cdr; | |
6149 | break; | |
6150 | } | |
6151 | tail = XCONS (tail)->cdr; | |
6152 | } | |
6153 | } | |
6154 | ||
6155 | if (x_display_list == dpyinfo) | |
6156 | x_display_list = dpyinfo->next; | |
7f9c7f94 RS |
6157 | else |
6158 | { | |
6159 | struct x_display_info *tail; | |
7a13e894 | 6160 | |
7f9c7f94 RS |
6161 | for (tail = x_display_list; tail; tail = tail->next) |
6162 | if (tail->next == dpyinfo) | |
6163 | tail->next = tail->next->next; | |
6164 | } | |
7a13e894 | 6165 | |
0d777288 RS |
6166 | #ifndef USE_X_TOOLKIT /* I'm told Xt does this itself. */ |
6167 | #ifndef AIX /* On AIX, XCloseDisplay calls this. */ | |
7f9c7f94 RS |
6168 | XrmDestroyDatabase (dpyinfo->xrdb); |
6169 | #endif | |
0d777288 | 6170 | #endif |
29b38361 KH |
6171 | #ifdef MULTI_KBOARD |
6172 | if (--dpyinfo->kboard->reference_count == 0) | |
39f79001 | 6173 | delete_kboard (dpyinfo->kboard); |
b9737ad3 KH |
6174 | #endif |
6175 | xfree (dpyinfo->font_table); | |
6176 | xfree (dpyinfo->x_id_name); | |
6177 | xfree (dpyinfo); | |
7a13e894 RS |
6178 | } |
6179 | \f | |
6180 | /* Set up use of X before we make the first connection. */ | |
6181 | ||
6182 | x_initialize () | |
6183 | { | |
f676886a | 6184 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
6185 | clear_end_of_line_hook = XTclear_end_of_line; |
6186 | ins_del_lines_hook = XTins_del_lines; | |
6187 | change_line_highlight_hook = XTchange_line_highlight; | |
6188 | insert_glyphs_hook = XTinsert_glyphs; | |
6189 | write_glyphs_hook = XTwrite_glyphs; | |
6190 | delete_glyphs_hook = XTdelete_glyphs; | |
6191 | ring_bell_hook = XTring_bell; | |
6192 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
6193 | set_terminal_modes_hook = XTset_terminal_modes; | |
6194 | update_begin_hook = XTupdate_begin; | |
6195 | update_end_hook = XTupdate_end; | |
6196 | set_terminal_window_hook = XTset_terminal_window; | |
6197 | read_socket_hook = XTread_socket; | |
b8009dd1 | 6198 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
6199 | cursor_to_hook = XTcursor_to; |
6200 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 6201 | mouse_position_hook = XTmouse_position; |
f451eb13 | 6202 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 6203 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
6204 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
6205 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
6206 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
6207 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
58769bee | 6208 | |
f676886a | 6209 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
6210 | char_ins_del_ok = 0; /* just as fast to write the line */ |
6211 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
6212 | fast_clear_end_of_line = 1; /* X does this well */ | |
58769bee | 6213 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
6214 | off the bottom */ |
6215 | baud_rate = 19200; | |
6216 | ||
7a13e894 RS |
6217 | x_noop_count = 0; |
6218 | ||
b30b24cb RS |
6219 | /* Try to use interrupt input; if we can't, then start polling. */ |
6220 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
6221 | ||
7f9c7f94 RS |
6222 | #ifdef USE_X_TOOLKIT |
6223 | XtToolkitInitialize (); | |
6224 | Xt_app_con = XtCreateApplicationContext (); | |
665881ad | 6225 | XtAppSetFallbackResources (Xt_app_con, Xt_default_resources); |
7f9c7f94 RS |
6226 | #endif |
6227 | ||
58769bee | 6228 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 6229 | original error handler. */ |
334208b7 RS |
6230 | XSetErrorHandler (x_error_quitter); |
6231 | XSetIOErrorHandler (x_io_error_quitter); | |
dc6f92b8 JB |
6232 | |
6233 | /* Disable Window Change signals; they are handled by X events. */ | |
6234 | #ifdef SIGWINCH | |
6235 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 6236 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 6237 | |
92e2441b | 6238 | signal (SIGPIPE, x_connection_signal); |
dc6f92b8 | 6239 | } |
55123275 JB |
6240 | |
6241 | void | |
6242 | syms_of_xterm () | |
6243 | { | |
7a13e894 RS |
6244 | staticpro (&x_display_name_list); |
6245 | x_display_name_list = Qnil; | |
334208b7 | 6246 | |
ab648270 | 6247 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 6248 | last_mouse_scroll_bar = Qnil; |
59e755be KH |
6249 | |
6250 | staticpro (&Qvendor_specific_keysyms); | |
6251 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
55123275 | 6252 | } |
c118dd06 | 6253 | #endif /* ! defined (HAVE_X_WINDOWS) */ |