Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
2e365682 | 2 | Copyright (C) 1989, 93, 94, 95, 1996 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 | 113 | #ifdef SOLARIS2 |
6cf0ae86 | 114 | #define X_CONNECTION_LOCK_FLAG XlibDisplayWriting |
31e3a046 KH |
115 | #endif |
116 | ||
e4b68333 | 117 | #ifndef min |
dc6f92b8 | 118 | #define min(a,b) ((a)<(b) ? (a) : (b)) |
e4b68333 RS |
119 | #endif |
120 | #ifndef max | |
dc6f92b8 | 121 | #define max(a,b) ((a)>(b) ? (a) : (b)) |
e4b68333 | 122 | #endif |
69388238 | 123 | \f |
334208b7 RS |
124 | /* This is a chain of structures for all the X displays currently in use. */ |
125 | struct x_display_info *x_display_list; | |
dc6f92b8 | 126 | |
7a13e894 RS |
127 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), |
128 | one for each element of x_display_list and in the same order. | |
129 | NAME is the name of the frame. | |
130 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
131 | Lisp_Object x_display_name_list; | |
f451eb13 | 132 | |
987d2ad1 | 133 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 134 | This is set by update_begin and looked at by all the |
dc6f92b8 | 135 | XT functions. It is zero while not inside an update. |
f676886a JB |
136 | In that case, the XT functions assume that `selected_frame' |
137 | is the frame to apply to. */ | |
d0386f2a | 138 | extern struct frame *updating_frame; |
dc6f92b8 | 139 | |
0134a210 RS |
140 | /* This is a frame waiting to be autoraised, within XTread_socket. */ |
141 | struct frame *pending_autoraise_frame; | |
142 | ||
7f9c7f94 RS |
143 | #ifdef USE_X_TOOLKIT |
144 | /* The application context for Xt use. */ | |
145 | XtAppContext Xt_app_con; | |
665881ad RS |
146 | |
147 | static String Xt_default_resources[] = | |
148 | { | |
149 | 0 | |
150 | }; | |
7f9c7f94 RS |
151 | #endif |
152 | ||
dc6f92b8 JB |
153 | /* During an update, maximum vpos for ins/del line operations to affect. */ |
154 | ||
155 | static int flexlines; | |
156 | ||
157 | /* During an update, nonzero if chars output now should be highlighted. */ | |
158 | ||
159 | static int highlight; | |
160 | ||
161 | /* Nominal cursor position -- where to draw output. | |
162 | During an update, these are different from the cursor-box position. */ | |
163 | ||
164 | static int curs_x; | |
165 | static int curs_y; | |
166 | ||
69388238 RS |
167 | /* Mouse movement. |
168 | ||
169 | In order to avoid asking for motion events and then throwing most | |
170 | of them away or busy-polling the server for mouse positions, we ask | |
171 | the server for pointer motion hints. This means that we get only | |
172 | one event per group of mouse movements. "Groups" are delimited by | |
173 | other kinds of events (focus changes and button clicks, for | |
174 | example), or by XQueryPointer calls; when one of these happens, we | |
175 | get another MotionNotify event the next time the mouse moves. This | |
176 | is at least as efficient as getting motion events when mouse | |
177 | tracking is on, and I suspect only negligibly worse when tracking | |
178 | is off. | |
179 | ||
180 | The silly O'Reilly & Associates Nutshell guides barely document | |
181 | pointer motion hints at all (I think you have to infer how they | |
182 | work from an example), and the description of XQueryPointer doesn't | |
183 | mention that calling it causes you to get another motion hint from | |
184 | the server, which is very important. */ | |
185 | ||
186 | /* Where the mouse was last time we reported a mouse event. */ | |
187 | static FRAME_PTR last_mouse_frame; | |
188 | static XRectangle last_mouse_glyph; | |
189 | ||
190 | /* The scroll bar in which the last X motion event occurred. | |
191 | ||
192 | If the last X motion event occurred in a scroll bar, we set this | |
193 | so XTmouse_position can know whether to report a scroll bar motion or | |
194 | an ordinary motion. | |
195 | ||
196 | If the last X motion event didn't occur in a scroll bar, we set this | |
197 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
198 | static Lisp_Object last_mouse_scroll_bar; | |
199 | ||
69388238 RS |
200 | /* This is a hack. We would really prefer that XTmouse_position would |
201 | return the time associated with the position it returns, but there | |
202 | doesn't seem to be any way to wrest the timestamp from the server | |
203 | along with the position query. So, we just keep track of the time | |
204 | of the last movement we received, and return that in hopes that | |
205 | it's somewhat accurate. */ | |
206 | static Time last_mouse_movement_time; | |
207 | ||
c0a04927 RS |
208 | /* Incremented by XTread_socket whenever it really tries to read events. */ |
209 | #ifdef __STDC__ | |
210 | static int volatile input_signal_count; | |
211 | #else | |
212 | static int input_signal_count; | |
213 | #endif | |
214 | ||
7a13e894 RS |
215 | /* Used locally within XTread_socket. */ |
216 | static int x_noop_count; | |
dc6f92b8 | 217 | |
7a13e894 RS |
218 | /* Initial values of argv and argc. */ |
219 | extern char **initial_argv; | |
220 | extern int initial_argc; | |
dc6f92b8 | 221 | |
7a13e894 | 222 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
dc6f92b8 | 223 | |
7a13e894 RS |
224 | /* Tells if a window manager is present or not. */ |
225 | ||
226 | extern Lisp_Object Vx_no_window_manager; | |
dc6f92b8 | 227 | |
c2df547c | 228 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 229 | |
dc6f92b8 JB |
230 | extern int errno; |
231 | ||
dfeccd2d | 232 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
233 | extern int extra_keyboard_modifiers; |
234 | ||
59e755be KH |
235 | static Lisp_Object Qvendor_specific_keysyms; |
236 | ||
334208b7 | 237 | extern XrmDatabase x_load_resources (); |
dc6f92b8 | 238 | |
c32cdd9a KH |
239 | extern Lisp_Object x_icon_type (); |
240 | ||
7a13e894 RS |
241 | void x_delete_display (); |
242 | ||
c83febd7 | 243 | static void redraw_previous_char (); |
0cdd0c9f | 244 | static void redraw_following_char (); |
3afe33e7 | 245 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 246 | |
55836b73 | 247 | static int fast_find_position (); |
b8009dd1 RS |
248 | static void note_mouse_highlight (); |
249 | static void clear_mouse_face (); | |
250 | static void show_mouse_face (); | |
58769bee | 251 | static void do_line_dance (); |
b8009dd1 | 252 | |
4746118a JB |
253 | static int XTcursor_to (); |
254 | static int XTclear_end_of_line (); | |
7a13e894 | 255 | static int x_io_error_quitter (); |
2d7fc7e8 RS |
256 | void x_catch_errors (); |
257 | void x_uncatch_errors (); | |
334208b7 | 258 | \f |
9382638d KH |
259 | #if 0 |
260 | /* This is a function useful for recording debugging information | |
261 | about the sequence of occurrences in this file. */ | |
262 | ||
263 | struct record | |
264 | { | |
265 | char *locus; | |
266 | int type; | |
267 | }; | |
268 | ||
269 | struct record event_record[100]; | |
270 | ||
271 | int event_record_index; | |
272 | ||
273 | record_event (locus, type) | |
274 | char *locus; | |
275 | int type; | |
276 | { | |
277 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
278 | event_record_index = 0; | |
279 | ||
280 | event_record[event_record_index].locus = locus; | |
281 | event_record[event_record_index].type = type; | |
282 | event_record_index++; | |
283 | } | |
284 | ||
285 | #endif /* 0 */ | |
286 | \f | |
334208b7 RS |
287 | /* Return the struct x_display_info corresponding to DPY. */ |
288 | ||
289 | struct x_display_info * | |
290 | x_display_info_for_display (dpy) | |
291 | Display *dpy; | |
292 | { | |
293 | struct x_display_info *dpyinfo; | |
294 | ||
295 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
296 | if (dpyinfo->display == dpy) | |
297 | return dpyinfo; | |
16bd92ea | 298 | |
334208b7 RS |
299 | return 0; |
300 | } | |
16bd92ea | 301 | \f |
58769bee | 302 | /* Starting and ending updates. |
f451eb13 JB |
303 | |
304 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
305 | of a frame update. We record in `updating_frame' the identity |
306 | of the frame being updated, so that the XT... functions do not | |
307 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 308 | should never be called except during an update, the only exceptions |
c83febd7 | 309 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 | 310 | |
dc6f92b8 | 311 | static |
f676886a JB |
312 | XTupdate_begin (f) |
313 | struct frame *f; | |
58769bee | 314 | { |
dc6f92b8 JB |
315 | int mask; |
316 | ||
f676886a | 317 | if (f == 0) |
dc6f92b8 JB |
318 | abort (); |
319 | ||
f676886a | 320 | flexlines = f->height; |
dc6f92b8 JB |
321 | highlight = 0; |
322 | ||
dc6f92b8 | 323 | BLOCK_INPUT; |
b8009dd1 | 324 | |
7a13e894 | 325 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
b8009dd1 | 326 | { |
514e4681 | 327 | /* Don't do highlighting for mouse motion during the update. */ |
7a13e894 | 328 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 1; |
37c2c98b RS |
329 | |
330 | /* If the frame needs to be redrawn, | |
331 | simply forget about any prior mouse highlighting. */ | |
9f67f20b | 332 | if (FRAME_GARBAGED_P (f)) |
37c2c98b RS |
333 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = Qnil; |
334 | ||
7a13e894 | 335 | if (!NILP (FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) |
514e4681 RS |
336 | { |
337 | int firstline, lastline, i; | |
7a13e894 | 338 | struct window *w = XWINDOW (FRAME_X_DISPLAY_INFO (f)->mouse_face_window); |
514e4681 RS |
339 | |
340 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
341 | for (firstline = 0; firstline < f->height; firstline++) | |
342 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
343 | break; | |
344 | ||
345 | lastline = f->height; | |
346 | for (i = f->height - 1; i >= 0; i--) | |
347 | { | |
348 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
349 | break; | |
350 | else | |
351 | lastline = i; | |
352 | } | |
353 | ||
354 | /* Can we tell that this update does not affect the window | |
37c2c98b RS |
355 | where the mouse highlight is? If so, no need to turn off. |
356 | Likewise, don't do anything if the frame is garbaged; | |
357 | in that case, the FRAME_CURRENT_GLYPHS that we would use | |
358 | are all wrong, and we will redisplay that line anyway. */ | |
514e4681 RS |
359 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) |
360 | || lastline < XFASTINT (w->top))) | |
7a13e894 | 361 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
514e4681 | 362 | } |
b8009dd1 | 363 | } |
6ccf47d1 | 364 | |
dc6f92b8 JB |
365 | UNBLOCK_INPUT; |
366 | } | |
367 | ||
dc6f92b8 | 368 | static |
f676886a JB |
369 | XTupdate_end (f) |
370 | struct frame *f; | |
58769bee | 371 | { |
dc6f92b8 JB |
372 | int mask; |
373 | ||
dc6f92b8 | 374 | BLOCK_INPUT; |
dc6f92b8 | 375 | |
58769bee | 376 | do_line_dance (); |
f676886a | 377 | x_display_cursor (f, 1); |
dc6f92b8 | 378 | |
7a13e894 RS |
379 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
380 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
b8009dd1 RS |
381 | #if 0 |
382 | /* This fails in the case of having updated only the echo area | |
383 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
384 | has no relation to the current contents, and its charstarts | |
385 | have no relation to the contents of the window-buffer. | |
386 | I don't know a clean way to check | |
387 | for that case. window_end_valid isn't set up yet. */ | |
7a13e894 RS |
388 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
389 | note_mouse_highlight (f, FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
390 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
b8009dd1 RS |
391 | #endif |
392 | ||
334208b7 | 393 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
394 | UNBLOCK_INPUT; |
395 | } | |
b8009dd1 | 396 | |
514e4681 | 397 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
398 | |
399 | static | |
400 | XTframe_up_to_date (f) | |
401 | FRAME_PTR f; | |
402 | { | |
cbe24f60 | 403 | BLOCK_INPUT; |
7a13e894 RS |
404 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc |
405 | || f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) | |
514e4681 | 406 | { |
7a13e894 RS |
407 | note_mouse_highlight (FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame, |
408 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
409 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
410 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0; | |
514e4681 | 411 | } |
cbe24f60 | 412 | UNBLOCK_INPUT; |
b8009dd1 | 413 | } |
dc6f92b8 JB |
414 | \f |
415 | /* External interface to control of standout mode. | |
416 | Call this when about to modify line at position VPOS | |
417 | and not change whether it is highlighted. */ | |
418 | ||
419 | XTreassert_line_highlight (new, vpos) | |
420 | int new, vpos; | |
421 | { | |
422 | highlight = new; | |
423 | } | |
424 | ||
425 | /* Call this when about to modify line at position VPOS | |
426 | and change whether it is highlighted. */ | |
427 | ||
428 | static | |
429 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
430 | int new_highlight, vpos, first_unused_hpos; | |
431 | { | |
432 | highlight = new_highlight; | |
433 | XTcursor_to (vpos, 0); | |
f676886a | 434 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
435 | } |
436 | ||
437 | /* This is used when starting Emacs and when restarting after suspend. | |
438 | When starting Emacs, no X window is mapped. And nothing must be done | |
439 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
440 | ||
441 | static | |
442 | XTset_terminal_modes () | |
443 | { | |
444 | } | |
445 | ||
446 | /* This is called when exiting or suspending Emacs. | |
447 | Exiting will make the X-windows go away, and suspending | |
448 | requires no action. */ | |
449 | ||
450 | static | |
451 | XTreset_terminal_modes () | |
452 | { | |
f676886a | 453 | /* XTclear_frame (); */ |
dc6f92b8 JB |
454 | } |
455 | \f | |
f451eb13 JB |
456 | /* Set the nominal cursor position of the frame. |
457 | This is where display update commands will take effect. | |
dc6f92b8 JB |
458 | This does not affect the place where the cursor-box is displayed. */ |
459 | ||
4746118a | 460 | static int |
dc6f92b8 JB |
461 | XTcursor_to (row, col) |
462 | register int row, col; | |
463 | { | |
464 | int mask; | |
465 | int orow = row; | |
466 | ||
467 | curs_x = col; | |
468 | curs_y = row; | |
469 | ||
f676886a | 470 | if (updating_frame == 0) |
dc6f92b8 JB |
471 | { |
472 | BLOCK_INPUT; | |
f676886a | 473 | x_display_cursor (selected_frame, 1); |
334208b7 | 474 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
475 | UNBLOCK_INPUT; |
476 | } | |
477 | } | |
478 | \f | |
479 | /* Display a sequence of N glyphs found at GP. | |
480 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
481 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
482 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
483 | JUST_FOREGROUND if 1 means draw only the foreground; |
484 | don't alter the background. | |
dc6f92b8 | 485 | |
07e34cb0 | 486 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 487 | |
07e34cb0 JB |
488 | Since the display generation code is responsible for calling |
489 | compute_char_face and compute_glyph_face on everything it puts in | |
490 | the display structure, we can assume that the face code on each | |
28f72798 | 491 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
492 | to which we can actually apply intern_face. |
493 | Call this function with input blocked. */ | |
dc6f92b8 | 494 | |
07e34cb0 JB |
495 | #if 1 |
496 | /* This is the multi-face code. */ | |
dc6f92b8 | 497 | |
dc6f92b8 | 498 | static void |
0cdd0c9f | 499 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 500 | struct frame *f; |
dc6f92b8 JB |
501 | int left, top; |
502 | register GLYPH *gp; /* Points to first GLYPH. */ | |
503 | register int n; /* Number of glyphs to display. */ | |
504 | int hl; | |
0cdd0c9f | 505 | int just_foreground; |
dc6f92b8 | 506 | { |
07e34cb0 JB |
507 | /* Holds characters to be displayed. */ |
508 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
509 | register char *cp; /* Steps through buf[]. */ |
510 | register int tlen = GLYPH_TABLE_LENGTH; | |
511 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 512 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 513 | int orig_left = left; |
dc6f92b8 | 514 | |
07e34cb0 | 515 | while (n > 0) |
dc6f92b8 JB |
516 | { |
517 | /* Get the face-code of the next GLYPH. */ | |
518 | int cf, len; | |
519 | int g = *gp; | |
520 | ||
07e34cb0 | 521 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 522 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
523 | |
524 | /* Find the run of consecutive glyphs with the same face-code. | |
525 | Extract their character codes into BUF. */ | |
526 | cp = buf; | |
527 | while (n > 0) | |
528 | { | |
529 | g = *gp; | |
07e34cb0 | 530 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 531 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
532 | break; |
533 | ||
6f63ba79 | 534 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
535 | --n; |
536 | ++gp; | |
537 | } | |
538 | ||
539 | /* LEN gets the length of the run. */ | |
540 | len = cp - buf; | |
541 | ||
542 | /* Now output this run of chars, with the font and pixel values | |
543 | determined by the face code CF. */ | |
07e34cb0 JB |
544 | { |
545 | struct face *face = FRAME_DEFAULT_FACE (f); | |
334208b7 | 546 | XFontStruct *font = FACE_FONT (face); |
07e34cb0 | 547 | GC gc = FACE_GC (face); |
990ba854 | 548 | int stippled = 0; |
07e34cb0 | 549 | |
b8009dd1 RS |
550 | /* HL = 3 means use a mouse face previously chosen. */ |
551 | if (hl == 3) | |
7a13e894 | 552 | cf = FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id; |
b8009dd1 | 553 | |
b73b6aaf RS |
554 | /* First look at the face of the text itself. */ |
555 | if (cf != 0) | |
07e34cb0 | 556 | { |
a07d4bc5 RS |
557 | /* It's possible for the display table to specify |
558 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
559 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
560 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 561 | cf = 0; |
07e34cb0 JB |
562 | |
563 | if (cf == 1) | |
564 | face = FRAME_MODE_LINE_FACE (f); | |
565 | else | |
28f72798 | 566 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
567 | font = FACE_FONT (face); |
568 | gc = FACE_GC (face); | |
990ba854 RS |
569 | if (FACE_STIPPLE (face)) |
570 | stippled = 1; | |
07e34cb0 | 571 | } |
4a4dc352 JB |
572 | |
573 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
574 | else if (hl == 0) |
575 | ; | |
576 | else if (hl == 1) | |
577 | { | |
578 | face = FRAME_MODE_LINE_FACE (f); | |
579 | font = FACE_FONT (face); | |
580 | gc = FACE_GC (face); | |
990ba854 RS |
581 | if (FACE_STIPPLE (face)) |
582 | stippled = 1; | |
b73b6aaf RS |
583 | } |
584 | ||
585 | #define FACE_DEFAULT (~0) | |
586 | ||
587 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 588 | if (hl == 2) |
b73b6aaf | 589 | { |
990ba854 RS |
590 | /* The cursor overrides stippling. */ |
591 | stippled = 0; | |
592 | ||
11dd3d61 | 593 | if ((!face->font |
16f60add | 594 | || face->font == (XFontStruct *) FACE_DEFAULT |
7556890b RS |
595 | || face->font == f->output_data.x->font) |
596 | && face->background == f->output_data.x->background_pixel | |
597 | && face->foreground == f->output_data.x->foreground_pixel) | |
b5cf7a0e | 598 | { |
7556890b | 599 | gc = f->output_data.x->cursor_gc; |
b5cf7a0e JB |
600 | } |
601 | /* Cursor on non-default face: must merge. */ | |
602 | else | |
603 | { | |
604 | XGCValues xgcv; | |
605 | unsigned long mask; | |
606 | ||
7556890b | 607 | xgcv.background = f->output_data.x->cursor_pixel; |
11dd3d61 | 608 | xgcv.foreground = face->background; |
df5a440b RS |
609 | /* If the glyph would be invisible, |
610 | try a different foreground. */ | |
611 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 612 | xgcv.foreground = face->foreground; |
df5a440b | 613 | if (xgcv.foreground == xgcv.background) |
7556890b | 614 | xgcv.foreground = f->output_data.x->cursor_foreground_pixel; |
df5a440b RS |
615 | if (xgcv.foreground == xgcv.background) |
616 | xgcv.foreground = face->foreground; | |
617 | /* Make sure the cursor is distinct from text in this face. */ | |
618 | if (xgcv.background == face->background | |
619 | && xgcv.foreground == face->foreground) | |
620 | { | |
621 | xgcv.background = face->foreground; | |
622 | xgcv.foreground = face->background; | |
623 | } | |
b5cf7a0e JB |
624 | xgcv.font = face->font->fid; |
625 | xgcv.graphics_exposures = 0; | |
626 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
7a13e894 RS |
627 | if (FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc) |
628 | XChangeGC (FRAME_X_DISPLAY (f), | |
629 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc, | |
630 | mask, &xgcv); | |
11dd3d61 | 631 | else |
7a13e894 | 632 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc |
334208b7 | 633 | = XCreateGC (FRAME_X_DISPLAY (f), window, mask, &xgcv); |
7a13e894 | 634 | gc = FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc; |
b73b6aaf | 635 | #if 0 |
11dd3d61 RS |
636 | /* If this code is restored, it must also reset to the default stipple |
637 | if necessary. */ | |
b5cf7a0e | 638 | if (face->stipple && face->stipple != FACE_DEFAULT) |
334208b7 | 639 | XSetStipple (FRAME_X_DISPLAY (f), gc, face->stipple); |
b73b6aaf | 640 | #endif |
b5cf7a0e | 641 | } |
07e34cb0 | 642 | } |
07e34cb0 | 643 | |
16f60add | 644 | if (font == (XFontStruct *) FACE_DEFAULT) |
7556890b | 645 | font = f->output_data.x->font; |
b5cf7a0e | 646 | |
0cdd0c9f | 647 | if (just_foreground) |
334208b7 | 648 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
0cdd0c9f RS |
649 | left, top + FONT_BASE (font), buf, len); |
650 | else | |
651 | { | |
990ba854 RS |
652 | if (stippled) |
653 | { | |
654 | /* Turn stipple on. */ | |
655 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillOpaqueStippled); | |
656 | ||
657 | /* Draw stipple on background. */ | |
334208b7 | 658 | XFillRectangle (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
659 | left, top, |
660 | FONT_WIDTH (font) * len, | |
661 | FONT_HEIGHT (font)); | |
662 | ||
663 | /* Turn stipple off. */ | |
664 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillSolid); | |
665 | ||
666 | /* Draw the text, solidly, onto the stipple pattern. */ | |
334208b7 | 667 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
668 | left, top + FONT_BASE (font), buf, len); |
669 | } | |
670 | else | |
334208b7 | 671 | XDrawImageString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
672 | left, top + FONT_BASE (font), buf, len); |
673 | ||
0cdd0c9f | 674 | /* Clear the rest of the line's height. */ |
7556890b | 675 | if (f->output_data.x->line_height != FONT_HEIGHT (font)) |
334208b7 | 676 | XClearArea (FRAME_X_DISPLAY (f), window, left, |
0cdd0c9f RS |
677 | top + FONT_HEIGHT (font), |
678 | FONT_WIDTH (font) * len, | |
679 | /* This is how many pixels of height | |
680 | we have to clear. */ | |
7556890b | 681 | f->output_data.x->line_height - FONT_HEIGHT (font), |
0cdd0c9f RS |
682 | False); |
683 | } | |
684 | ||
685 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
686 | which often is not up to date yet. */ | |
687 | if (!just_foreground) | |
688 | { | |
689 | if (left == orig_left) | |
690 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
691 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
692 | if (n == 0) | |
693 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
694 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
695 | } | |
696 | #endif | |
07e34cb0 JB |
697 | |
698 | /* We should probably check for XA_UNDERLINE_POSITION and | |
699 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
700 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 701 | { |
4a4dc352 | 702 | int underline_position = 1; |
07e34cb0 | 703 | |
4a4dc352 JB |
704 | if (font->descent <= underline_position) |
705 | underline_position = font->descent - 1; | |
07e34cb0 JB |
706 | |
707 | if (face->underline) | |
334208b7 | 708 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
07e34cb0 JB |
709 | FACE_GC (face), |
710 | left, (top | |
711 | + FONT_BASE (font) | |
712 | + underline_position), | |
713 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 714 | } |
07e34cb0 JB |
715 | |
716 | left += len * FONT_WIDTH (font); | |
717 | } | |
dc6f92b8 JB |
718 | } |
719 | } | |
07e34cb0 JB |
720 | #endif /* 1 */ |
721 | ||
722 | #if 0 | |
723 | /* This is the old single-face code. */ | |
724 | ||
725 | static void | |
726 | dumpglyphs (f, left, top, gp, n, hl, font) | |
727 | struct frame *f; | |
728 | int left, top; | |
729 | register GLYPH *gp; /* Points to first GLYPH. */ | |
730 | register int n; /* Number of glyphs to display. */ | |
731 | int hl; | |
334208b7 | 732 | XFontStruct *font; |
07e34cb0 JB |
733 | { |
734 | register int len; | |
735 | Window window = FRAME_X_WINDOW (f); | |
7556890b RS |
736 | GC drawing_gc = (hl == 2 ? f->output_data.x->cursor_gc |
737 | : (hl ? f->output_data.x->reverse_gc | |
738 | : f->output_data.x->normal_gc)); | |
07e34cb0 JB |
739 | |
740 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
334208b7 | 741 | XDrawImageString16 (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
742 | left, top + FONT_BASE (font), (XChar2b *) gp, n); |
743 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
334208b7 | 744 | XDrawImageString (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
745 | left, top + FONT_BASE (font), (char *) gp, n); |
746 | else | |
747 | /* What size of glyph ARE you using? And does X have a function to | |
748 | draw them? */ | |
749 | abort (); | |
750 | } | |
751 | #endif | |
dc6f92b8 | 752 | \f |
f451eb13 JB |
753 | /* Output some text at the nominal frame cursor position. |
754 | Advance the cursor over the text. | |
dc6f92b8 JB |
755 | Output LEN glyphs at START. |
756 | ||
757 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
758 | controls the pixel values used for foreground and background. */ | |
759 | ||
760 | static | |
761 | XTwrite_glyphs (start, len) | |
762 | register GLYPH *start; | |
763 | int len; | |
764 | { | |
765 | register int temp_length; | |
766 | int mask; | |
f676886a | 767 | struct frame *f; |
dc6f92b8 JB |
768 | |
769 | BLOCK_INPUT; | |
770 | ||
58769bee | 771 | do_line_dance (); |
f676886a JB |
772 | f = updating_frame; |
773 | if (f == 0) | |
dc6f92b8 | 774 | { |
f676886a | 775 | f = selected_frame; |
dc6f92b8 | 776 | /* If not within an update, |
f676886a JB |
777 | output at the frame's visible cursor. */ |
778 | curs_x = f->cursor_x; | |
779 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
780 | } |
781 | ||
f676886a | 782 | dumpglyphs (f, |
12ba150f JB |
783 | CHAR_TO_PIXEL_COL (f, curs_x), |
784 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 785 | start, len, highlight, 0); |
90e65f07 JB |
786 | |
787 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
788 | if (curs_y == f->phys_cursor_y |
789 | && curs_x <= f->phys_cursor_x | |
790 | && curs_x + len > f->phys_cursor_x) | |
791 | f->phys_cursor_x = -1; | |
58769bee | 792 | |
f676886a | 793 | if (updating_frame == 0) |
dc6f92b8 | 794 | { |
f676886a JB |
795 | f->cursor_x += len; |
796 | x_display_cursor (f, 1); | |
797 | f->cursor_x -= len; | |
dc6f92b8 JB |
798 | } |
799 | else | |
800 | curs_x += len; | |
801 | ||
802 | UNBLOCK_INPUT; | |
803 | } | |
804 | \f | |
f451eb13 JB |
805 | /* Clear to the end of the line. |
806 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
807 | to column FIRST_UNUSED (exclusive). The idea is that everything |
808 | from FIRST_UNUSED onward is already erased. */ | |
58769bee | 809 | |
c32cdd9a | 810 | static |
dc6f92b8 JB |
811 | XTclear_end_of_line (first_unused) |
812 | register int first_unused; | |
813 | { | |
f676886a | 814 | struct frame *f = updating_frame; |
dc6f92b8 JB |
815 | int mask; |
816 | ||
f676886a | 817 | if (f == 0) |
dc6f92b8 JB |
818 | abort (); |
819 | ||
f676886a | 820 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
821 | return; |
822 | if (first_unused <= 0) | |
823 | return; | |
824 | ||
f676886a JB |
825 | if (first_unused >= f->width) |
826 | first_unused = f->width; | |
dc6f92b8 JB |
827 | |
828 | BLOCK_INPUT; | |
829 | ||
b30ec466 KH |
830 | do_line_dance (); |
831 | ||
90e65f07 | 832 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
833 | if (curs_y == f->phys_cursor_y |
834 | && curs_x <= f->phys_cursor_x | |
835 | && f->phys_cursor_x < first_unused) | |
836 | f->phys_cursor_x = -1; | |
dc6f92b8 | 837 | |
334208b7 | 838 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
12ba150f JB |
839 | CHAR_TO_PIXEL_COL (f, curs_x), |
840 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
7556890b RS |
841 | FONT_WIDTH (f->output_data.x->font) * (first_unused - curs_x), |
842 | f->output_data.x->line_height, False); | |
c83febd7 | 843 | #if 0 |
0cdd0c9f | 844 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 845 | #endif |
dc6f92b8 JB |
846 | |
847 | UNBLOCK_INPUT; | |
848 | } | |
849 | ||
0cdd0c9f RS |
850 | static |
851 | XTclear_frame () | |
852 | { | |
853 | int mask; | |
854 | struct frame *f = updating_frame; | |
855 | ||
856 | if (f == 0) | |
857 | f = selected_frame; | |
858 | ||
859 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
860 | curs_x = 0; /* Nominal cursor position is top left. */ | |
861 | curs_y = 0; | |
58769bee | 862 | |
0cdd0c9f RS |
863 | BLOCK_INPUT; |
864 | ||
334208b7 | 865 | XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0cdd0c9f RS |
866 | |
867 | /* We have to clear the scroll bars, too. If we have changed | |
868 | colors or something like that, then they should be notified. */ | |
869 | x_scroll_bar_clear (f); | |
870 | ||
334208b7 | 871 | XFlush (FRAME_X_DISPLAY (f)); |
0cdd0c9f RS |
872 | UNBLOCK_INPUT; |
873 | } | |
874 | \f | |
875 | #if 0 | |
876 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
877 | always contain the right glyphs to use. | |
878 | ||
879 | It also needs to be changed to look at the details of the font and | |
880 | see whether there is really overlap, and do nothing when there is | |
881 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
882 | but just how to use them is not clear. */ | |
883 | ||
c83febd7 RS |
884 | /* Erase the character (if any) at the position just before X, Y in frame F, |
885 | then redraw it and the character before it. | |
886 | This is necessary when we erase starting at X, | |
f94397b5 KH |
887 | in case the character after X overlaps into the one before X. |
888 | Call this function with input blocked. */ | |
c83febd7 RS |
889 | |
890 | static void | |
0cdd0c9f | 891 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
892 | FRAME_PTR f; |
893 | int x, y; | |
0cdd0c9f | 894 | int highlight_flag; |
c83febd7 RS |
895 | { |
896 | /* Erase the character before the new ones, in case | |
897 | what was here before overlaps it. | |
898 | Reoutput that character, and the previous character | |
899 | (in case the previous character overlaps it). */ | |
900 | if (x > 0) | |
901 | { | |
902 | int start_x = x - 2; | |
903 | if (start_x < 0) | |
904 | start_x = 0; | |
334208b7 | 905 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
c83febd7 RS |
906 | CHAR_TO_PIXEL_COL (f, x - 1), |
907 | CHAR_TO_PIXEL_ROW (f, y), | |
7556890b RS |
908 | FONT_WIDTH (f->output_data.x->font), |
909 | f->output_data.x->line_height, False); | |
c83febd7 RS |
910 | |
911 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
912 | CHAR_TO_PIXEL_ROW (f, y), | |
913 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 914 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
915 | } |
916 | } | |
917 | ||
0cdd0c9f RS |
918 | /* Erase the character (if any) at the position X, Y in frame F, |
919 | then redraw it and the character after it. | |
920 | This is necessary when we erase endng at X, | |
921 | in case the character after X overlaps into the one before X. | |
922 | Call this function with input blocked. */ | |
923 | ||
924 | static void | |
925 | redraw_following_char (f, x, y, highlight_flag) | |
926 | FRAME_PTR f; | |
927 | int x, y; | |
928 | int highlight_flag; | |
dc6f92b8 | 929 | { |
0cdd0c9f RS |
930 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
931 | /* Erase the character after the new ones, in case | |
932 | what was here before overlaps it. | |
933 | Reoutput that character, and the following character | |
934 | (in case the following character overlaps it). */ | |
935 | if (x < limit | |
936 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
937 | { | |
938 | int end_x = x + 2; | |
939 | if (end_x > limit) | |
940 | end_x = limit; | |
334208b7 | 941 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
942 | CHAR_TO_PIXEL_COL (f, x), |
943 | CHAR_TO_PIXEL_ROW (f, y), | |
7556890b RS |
944 | FONT_WIDTH (f->output_data.x->font), |
945 | f->output_data.x->line_height, False); | |
dc6f92b8 | 946 | |
0cdd0c9f RS |
947 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
948 | CHAR_TO_PIXEL_ROW (f, y), | |
949 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
950 | end_x - x, highlight_flag, 1); | |
951 | } | |
952 | } | |
953 | #endif /* 0 */ | |
954 | \f | |
955 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 956 | |
0cdd0c9f | 957 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 958 | |
0cdd0c9f RS |
959 | static int |
960 | font_char_overlap_left (font, c) | |
961 | XFontStruct *font; | |
962 | int c; | |
963 | { | |
964 | XCharStruct *s; | |
dbc4e1c1 | 965 | |
0cdd0c9f RS |
966 | /* Find the bounding-box info for C. */ |
967 | if (font->per_char == 0) | |
968 | s = &font->max_bounds; | |
969 | else | |
970 | { | |
971 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
972 | int row, within; | |
58769bee | 973 | |
0cdd0c9f RS |
974 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
975 | row = c >> 8; | |
976 | within = c & 0177; | |
977 | if (!(within >= font->min_char_or_byte2 | |
978 | && within <= font->max_char_or_byte2 | |
979 | && row >= font->min_byte1 | |
980 | && row <= font->max_byte1)) | |
981 | { | |
982 | /* If char is out of range, try the font's default char instead. */ | |
983 | c = font->default_char; | |
68be917d | 984 | row = c >> (BITS_PER_INT - 8); |
0cdd0c9f RS |
985 | within = c & 0177; |
986 | } | |
987 | if (!(within >= font->min_char_or_byte2 | |
988 | && within <= font->max_char_or_byte2 | |
989 | && row >= font->min_byte1 | |
990 | && row <= font->max_byte1)) | |
991 | /* Still out of range means this char does not overlap. */ | |
992 | return 0; | |
993 | else | |
994 | /* We found the info for this char. */ | |
995 | s = (font->per_char + (within - font->min_char_or_byte2) | |
996 | + row * rowlen); | |
997 | } | |
dbc4e1c1 | 998 | |
0cdd0c9f RS |
999 | return (s && s->lbearing < 0); |
1000 | } | |
dbc4e1c1 | 1001 | |
0cdd0c9f RS |
1002 | /* Return 1 if character C in font F extends past its right edge. */ |
1003 | ||
1004 | static int | |
1005 | font_char_overlap_right (font, c) | |
1006 | XFontStruct *font; | |
1007 | int c; | |
1008 | { | |
1009 | XCharStruct *s; | |
1010 | ||
1011 | /* Find the bounding-box info for C. */ | |
1012 | if (font->per_char == 0) | |
1013 | s = &font->max_bounds; | |
1014 | else | |
1015 | { | |
1016 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1017 | int row, within; | |
58769bee | 1018 | |
0cdd0c9f RS |
1019 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
1020 | row = c >> 8; | |
1021 | within = c & 0177; | |
1022 | if (!(within >= font->min_char_or_byte2 | |
1023 | && within <= font->max_char_or_byte2 | |
1024 | && row >= font->min_byte1 | |
1025 | && row <= font->max_byte1)) | |
1026 | { | |
1027 | /* If char is out of range, try the font's default char instead. */ | |
1028 | c = font->default_char; | |
68be917d | 1029 | row = c >> (BITS_PER_INT - 8); |
0cdd0c9f RS |
1030 | within = c & 0177; |
1031 | } | |
1032 | if (!(within >= font->min_char_or_byte2 | |
1033 | && within <= font->max_char_or_byte2 | |
1034 | && row >= font->min_byte1 | |
1035 | && row <= font->max_byte1)) | |
1036 | /* Still out of range means this char does not overlap. */ | |
1037 | return 0; | |
1038 | else | |
1039 | /* We found the info for this char. */ | |
1040 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1041 | + row * rowlen); | |
1042 | } | |
1043 | ||
1044 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1045 | } |
0cdd0c9f | 1046 | #endif /* 0 */ |
dc6f92b8 | 1047 | \f |
dbc4e1c1 JB |
1048 | /* Invert the middle quarter of the frame for .15 sec. */ |
1049 | ||
1050 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1051 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1052 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1053 | ||
1054 | /* Subtract the `struct timeval' values X and Y, | |
1055 | storing the result in RESULT. | |
1056 | Return 1 if the difference is negative, otherwise 0. */ | |
1057 | ||
1058 | static int | |
1059 | timeval_subtract (result, x, y) | |
1060 | struct timeval *result, x, y; | |
1061 | { | |
1062 | /* Perform the carry for the later subtraction by updating y. | |
1063 | This is safer because on some systems | |
1064 | the tv_sec member is unsigned. */ | |
1065 | if (x.tv_usec < y.tv_usec) | |
1066 | { | |
1067 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1068 | y.tv_usec -= 1000000 * nsec; | |
1069 | y.tv_sec += nsec; | |
1070 | } | |
1071 | if (x.tv_usec - y.tv_usec > 1000000) | |
1072 | { | |
1073 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1074 | y.tv_usec += 1000000 * nsec; | |
1075 | y.tv_sec -= nsec; | |
1076 | } | |
1077 | ||
1078 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1079 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1080 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1081 | ||
1082 | /* Return indication of whether the result should be considered negative. */ | |
1083 | return x.tv_sec < y.tv_sec; | |
1084 | } | |
dc6f92b8 | 1085 | |
f676886a JB |
1086 | XTflash (f) |
1087 | struct frame *f; | |
dc6f92b8 | 1088 | { |
dbc4e1c1 | 1089 | BLOCK_INPUT; |
dc6f92b8 | 1090 | |
dbc4e1c1 JB |
1091 | { |
1092 | GC gc; | |
dc6f92b8 | 1093 | |
dbc4e1c1 JB |
1094 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1095 | into background pixels. */ | |
1096 | { | |
1097 | XGCValues values; | |
dc6f92b8 | 1098 | |
dbc4e1c1 | 1099 | values.function = GXxor; |
7556890b RS |
1100 | values.foreground = (f->output_data.x->foreground_pixel |
1101 | ^ f->output_data.x->background_pixel); | |
58769bee | 1102 | |
334208b7 | 1103 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
1104 | GCFunction | GCForeground, &values); |
1105 | } | |
dc6f92b8 | 1106 | |
dbc4e1c1 JB |
1107 | { |
1108 | int width = PIXEL_WIDTH (f); | |
1109 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1110 | |
334208b7 | 1111 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1112 | width/4, height/4, width/2, height/2); |
334208b7 | 1113 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 1114 | |
dbc4e1c1 JB |
1115 | { |
1116 | struct timeval wakeup, now; | |
dc6f92b8 | 1117 | |
66c30ea1 | 1118 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1119 | |
dbc4e1c1 JB |
1120 | /* Compute time to wait until, propagating carry from usecs. */ |
1121 | wakeup.tv_usec += 150000; | |
1122 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1123 | wakeup.tv_usec %= 1000000; | |
1124 | ||
1125 | /* Keep waiting until past the time wakeup. */ | |
1126 | while (1) | |
1127 | { | |
1128 | struct timeval timeout; | |
1129 | ||
66c30ea1 | 1130 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1131 | |
1132 | /* In effect, timeout = wakeup - timeout. | |
1133 | Break if result would be negative. */ | |
1134 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1135 | break; | |
1136 | ||
1137 | /* Try to wait that long--but we might wake up sooner. */ | |
c32cdd9a | 1138 | select (0, NULL, NULL, NULL, &timeout); |
dbc4e1c1 JB |
1139 | } |
1140 | } | |
58769bee | 1141 | |
334208b7 | 1142 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1143 | width/4, height/4, width/2, height/2); |
334208b7 RS |
1144 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
1145 | XFlush (FRAME_X_DISPLAY (f)); | |
dc6f92b8 | 1146 | } |
dbc4e1c1 JB |
1147 | } |
1148 | ||
1149 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1150 | } |
1151 | ||
dbc4e1c1 JB |
1152 | #endif |
1153 | ||
1154 | ||
dc6f92b8 JB |
1155 | /* Make audible bell. */ |
1156 | ||
334208b7 | 1157 | #define XRINGBELL XBell (FRAME_X_DISPLAY (selected_frame), 0) |
dc6f92b8 JB |
1158 | |
1159 | XTring_bell () | |
1160 | { | |
334208b7 | 1161 | if (FRAME_X_DISPLAY (selected_frame) == 0) |
5a6ef893 RS |
1162 | return; |
1163 | ||
dbc4e1c1 | 1164 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1165 | if (visible_bell) |
f676886a | 1166 | XTflash (selected_frame); |
dc6f92b8 | 1167 | else |
dbc4e1c1 | 1168 | #endif |
dc6f92b8 JB |
1169 | { |
1170 | BLOCK_INPUT; | |
1171 | XRINGBELL; | |
334208b7 | 1172 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
1173 | UNBLOCK_INPUT; |
1174 | } | |
1175 | } | |
1176 | \f | |
f451eb13 JB |
1177 | /* Insert and delete character. |
1178 | These are not supposed to be used because we are supposed to turn | |
1179 | off the feature of using them. */ | |
dc6f92b8 | 1180 | |
58769bee | 1181 | static |
dc6f92b8 JB |
1182 | XTinsert_glyphs (start, len) |
1183 | register char *start; | |
1184 | register int len; | |
1185 | { | |
1186 | abort (); | |
1187 | } | |
1188 | ||
58769bee | 1189 | static |
dc6f92b8 JB |
1190 | XTdelete_glyphs (n) |
1191 | register int n; | |
1192 | { | |
1193 | abort (); | |
1194 | } | |
1195 | \f | |
1196 | /* Specify how many text lines, from the top of the window, | |
1197 | should be affected by insert-lines and delete-lines operations. | |
1198 | This, and those operations, are used only within an update | |
1199 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1200 | ||
1201 | static | |
1202 | XTset_terminal_window (n) | |
1203 | register int n; | |
1204 | { | |
f676886a | 1205 | if (updating_frame == 0) |
dc6f92b8 JB |
1206 | abort (); |
1207 | ||
f676886a JB |
1208 | if ((n <= 0) || (n > updating_frame->height)) |
1209 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1210 | else |
1211 | flexlines = n; | |
1212 | } | |
1213 | \f | |
7a13e894 RS |
1214 | /* These variables need not be per frame |
1215 | because redisplay is done on a frame-by-frame basis | |
1216 | and the line dance for one frame is finished before | |
1217 | anything is done for anoter frame. */ | |
1218 | ||
58769bee KH |
1219 | /* Array of line numbers from cached insert/delete operations. |
1220 | line_dance[i] is the old position of the line that we want | |
1221 | to move to line i, or -1 if we want a blank line there. */ | |
1222 | static int *line_dance; | |
dc6f92b8 | 1223 | |
58769bee KH |
1224 | /* Allocated length of that array. */ |
1225 | static int line_dance_len; | |
dc6f92b8 | 1226 | |
58769bee KH |
1227 | /* Flag indicating whether we've done any work. */ |
1228 | static int line_dance_in_progress; | |
dc6f92b8 | 1229 | |
58769bee KH |
1230 | /* Perform an insert-lines or delete-lines operation, |
1231 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1232 | XTins_del_lines (vpos, n) | |
1233 | int vpos, n; | |
dc6f92b8 | 1234 | { |
58769bee | 1235 | register int fence, i; |
dc6f92b8 | 1236 | |
58769bee | 1237 | if (vpos >= flexlines) |
dc6f92b8 JB |
1238 | return; |
1239 | ||
58769bee | 1240 | if (!line_dance_in_progress) |
dc6f92b8 | 1241 | { |
58769bee KH |
1242 | int ht = updating_frame->height; |
1243 | if (ht > line_dance_len) | |
1244 | { | |
1245 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); | |
1246 | line_dance_len = ht; | |
1247 | } | |
1248 | for (i = 0; i < ht; ++i) line_dance[i] = i; | |
1249 | line_dance_in_progress = 1; | |
1250 | } | |
1251 | if (n >= 0) | |
1252 | { | |
1253 | if (n > flexlines - vpos) | |
1254 | n = flexlines - vpos; | |
1255 | fence = vpos + n; | |
1256 | for (i = flexlines; --i >= fence;) | |
1257 | line_dance[i] = line_dance[i-n]; | |
1258 | for (i = fence; --i >= vpos;) | |
1259 | line_dance[i] = -1; | |
dc6f92b8 JB |
1260 | } |
1261 | else | |
1262 | { | |
58769bee KH |
1263 | n = -n; |
1264 | if (n > flexlines - vpos) | |
1265 | n = flexlines - vpos; | |
1266 | fence = flexlines - n; | |
1267 | for (i = vpos; i < fence; ++i) | |
1268 | line_dance[i] = line_dance[i + n]; | |
1269 | for (i = fence; i < flexlines; ++i) | |
1270 | line_dance[i] = -1; | |
dc6f92b8 JB |
1271 | } |
1272 | } | |
1273 | ||
58769bee KH |
1274 | /* Here's where we actually move the pixels around. |
1275 | Must be called with input blocked. */ | |
1276 | static void | |
1277 | do_line_dance () | |
dc6f92b8 | 1278 | { |
58769bee KH |
1279 | register int i, j, distance; |
1280 | register struct frame *f; | |
1281 | int ht; | |
1282 | int intborder; | |
1283 | ||
1284 | /* Must check this flag first. If it's not set, then not only is the | |
1285 | array uninitialized, but we might not even have a frame. */ | |
1286 | if (!line_dance_in_progress) | |
1287 | return; | |
1288 | ||
1289 | f = updating_frame; | |
1290 | if (f == 0) | |
dc6f92b8 JB |
1291 | abort (); |
1292 | ||
58769bee | 1293 | ht = f->height; |
7556890b | 1294 | intborder = f->output_data.x->internal_border_width; |
58769bee | 1295 | |
f676886a | 1296 | x_display_cursor (updating_frame, 0); |
dc6f92b8 | 1297 | |
58769bee KH |
1298 | for (i = 0; i < ht; ++i) |
1299 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) | |
1300 | { | |
1301 | for (j = i; (j < ht && line_dance[j] != -1 | |
1302 | && line_dance[j]-j == distance); ++j); | |
1303 | /* Copy [i,j) upward from [i+distance,j+distance) */ | |
334208b7 | 1304 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 1305 | FRAME_X_WINDOW (f), f->output_data.x->normal_gc, |
58769bee | 1306 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), |
7556890b RS |
1307 | f->width * FONT_WIDTH (f->output_data.x->font), |
1308 | (j-i) * f->output_data.x->line_height, | |
58769bee KH |
1309 | intborder, CHAR_TO_PIXEL_ROW (f, i)); |
1310 | i = j-1; | |
1311 | } | |
dc6f92b8 | 1312 | |
58769bee KH |
1313 | for (i = ht; --i >=0; ) |
1314 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) | |
1315 | { | |
1316 | for (j = i; (--j >= 0 && line_dance[j] != -1 | |
0ccf5d73 | 1317 | && line_dance[j]-j == distance);); |
58769bee | 1318 | /* Copy (j,i] downward from (j+distance, i+distance] */ |
334208b7 | 1319 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 1320 | FRAME_X_WINDOW (f), f->output_data.x->normal_gc, |
58769bee | 1321 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), |
7556890b RS |
1322 | f->width * FONT_WIDTH (f->output_data.x->font), |
1323 | (i-j) * f->output_data.x->line_height, | |
58769bee KH |
1324 | intborder, CHAR_TO_PIXEL_ROW (f, j+1)); |
1325 | i = j+1; | |
1326 | } | |
1327 | ||
1328 | for (i = 0; i < ht; ++i) | |
1329 | if (line_dance[i] == -1) | |
1330 | { | |
1331 | for (j = i; j < ht && line_dance[j] == -1; ++j); | |
1332 | /* Clear [i,j) */ | |
334208b7 | 1333 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee | 1334 | intborder, CHAR_TO_PIXEL_ROW (f, i), |
7556890b RS |
1335 | f->width * FONT_WIDTH (f->output_data.x->font), |
1336 | (j-i) * f->output_data.x->line_height, False); | |
58769bee KH |
1337 | i = j-1; |
1338 | } | |
1339 | line_dance_in_progress = 0; | |
dc6f92b8 JB |
1340 | } |
1341 | \f | |
f451eb13 | 1342 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1343 | static void clear_cursor (); |
1344 | ||
f676886a JB |
1345 | /* Output into a rectangle of an X-window (for frame F) |
1346 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1347 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1348 | ROWS and COLS are the size of the rectangle. |
1349 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1350 | |
1351 | static void | |
f676886a JB |
1352 | dumprectangle (f, left, top, cols, rows) |
1353 | struct frame *f; | |
dc6f92b8 JB |
1354 | register int left, top, cols, rows; |
1355 | { | |
f676886a | 1356 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1357 | int cursor_cleared = 0; |
1358 | int bottom, right; | |
1359 | register int y; | |
1360 | ||
f676886a | 1361 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1362 | return; |
1363 | ||
dc6f92b8 JB |
1364 | /* Express rectangle as four edges, instead of position-and-size. */ |
1365 | bottom = top + rows; | |
1366 | right = left + cols; | |
58769bee | 1367 | |
dc6f92b8 JB |
1368 | /* Convert rectangle edges in pixels to edges in chars. |
1369 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1370 | top = PIXEL_TO_CHAR_ROW (f, top); |
1371 | left = PIXEL_TO_CHAR_COL (f, left); | |
7556890b RS |
1372 | bottom += (f->output_data.x->line_height - 1); |
1373 | right += (FONT_WIDTH (f->output_data.x->font) - 1); | |
12ba150f JB |
1374 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1375 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1376 | |
1377 | /* Clip the rectangle to what can be visible. */ | |
1378 | if (left < 0) | |
1379 | left = 0; | |
1380 | if (top < 0) | |
1381 | top = 0; | |
f676886a JB |
1382 | if (right > f->width) |
1383 | right = f->width; | |
1384 | if (bottom > f->height) | |
1385 | bottom = f->height; | |
dc6f92b8 JB |
1386 | |
1387 | /* Get size in chars of the rectangle. */ | |
1388 | cols = right - left; | |
1389 | rows = bottom - top; | |
1390 | ||
1391 | /* If rectangle has zero area, return. */ | |
1392 | if (rows <= 0) return; | |
1393 | if (cols <= 0) return; | |
1394 | ||
1395 | /* Turn off the cursor if it is in the rectangle. | |
1396 | We will turn it back on afterward. */ | |
f676886a JB |
1397 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1398 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1399 | { |
f676886a | 1400 | clear_cursor (f); |
dc6f92b8 JB |
1401 | cursor_cleared = 1; |
1402 | } | |
1403 | ||
1404 | /* Display the text in the rectangle, one text line at a time. */ | |
1405 | ||
1406 | for (y = top; y < bottom; y++) | |
1407 | { | |
f676886a | 1408 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1409 | |
f676886a | 1410 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1411 | continue; |
1412 | ||
f676886a | 1413 | dumpglyphs (f, |
12ba150f JB |
1414 | CHAR_TO_PIXEL_COL (f, left), |
1415 | CHAR_TO_PIXEL_ROW (f, y), | |
1416 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1417 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1418 | } |
1419 | ||
1420 | /* Turn the cursor on if we turned it off. */ | |
1421 | ||
1422 | if (cursor_cleared) | |
f676886a | 1423 | x_display_cursor (f, 1); |
dc6f92b8 | 1424 | } |
dc6f92b8 | 1425 | \f |
dc6f92b8 | 1426 | static void |
334208b7 RS |
1427 | frame_highlight (f) |
1428 | struct frame *f; | |
dc6f92b8 | 1429 | { |
b3e1e05c JB |
1430 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1431 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1432 | and border pixel are window attributes which are "private to the | |
1433 | client", so we can always change it to whatever we want. */ | |
1434 | BLOCK_INPUT; | |
334208b7 | 1435 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 1436 | f->output_data.x->border_pixel); |
b3e1e05c | 1437 | UNBLOCK_INPUT; |
5d46f928 | 1438 | x_update_cursor (f, 1); |
dc6f92b8 JB |
1439 | } |
1440 | ||
1441 | static void | |
334208b7 RS |
1442 | frame_unhighlight (f) |
1443 | struct frame *f; | |
dc6f92b8 | 1444 | { |
b3e1e05c JB |
1445 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1446 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1447 | and border pixel are window attributes which are "private to the | |
1448 | client", so we can always change it to whatever we want. */ | |
1449 | BLOCK_INPUT; | |
334208b7 | 1450 | XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 1451 | f->output_data.x->border_tile); |
b3e1e05c | 1452 | UNBLOCK_INPUT; |
5d46f928 | 1453 | x_update_cursor (f, 1); |
dc6f92b8 | 1454 | } |
dc6f92b8 | 1455 | |
f676886a | 1456 | static void XTframe_rehighlight (); |
0f941935 | 1457 | static void x_frame_rehighlight (); |
6d4238f3 | 1458 | |
f676886a JB |
1459 | /* The focus has changed. Update the frames as necessary to reflect |
1460 | the new situation. Note that we can't change the selected frame | |
c5acd733 | 1461 | here, because the Lisp code we are interrupting might become confused. |
eb8c3be9 | 1462 | Each event gets marked with the frame in which it occurred, so the |
c5acd733 | 1463 | Lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1464 | |
6d4238f3 | 1465 | static void |
0f941935 KH |
1466 | x_new_focus_frame (dpyinfo, frame) |
1467 | struct x_display_info *dpyinfo; | |
f676886a | 1468 | struct frame *frame; |
dc6f92b8 | 1469 | { |
0f941935 | 1470 | struct frame *old_focus = dpyinfo->x_focus_frame; |
dc6f92b8 JB |
1471 | int events_enqueued = 0; |
1472 | ||
0f941935 | 1473 | if (frame != dpyinfo->x_focus_frame) |
dc6f92b8 | 1474 | { |
58769bee | 1475 | /* Set this before calling other routines, so that they see |
f676886a | 1476 | the correct value of x_focus_frame. */ |
0f941935 | 1477 | dpyinfo->x_focus_frame = frame; |
6d4238f3 JB |
1478 | |
1479 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1480 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1481 | |
1482 | #if 0 | |
f676886a | 1483 | selected_frame = frame; |
e0c1aef2 KH |
1484 | XSETFRAME (XWINDOW (selected_frame->selected_window)->frame, |
1485 | selected_frame); | |
f676886a JB |
1486 | Fselect_window (selected_frame->selected_window); |
1487 | choose_minibuf_frame (); | |
c118dd06 | 1488 | #endif /* ! 0 */ |
dc6f92b8 | 1489 | |
0f941935 KH |
1490 | if (dpyinfo->x_focus_frame && dpyinfo->x_focus_frame->auto_raise) |
1491 | pending_autoraise_frame = dpyinfo->x_focus_frame; | |
0134a210 RS |
1492 | else |
1493 | pending_autoraise_frame = 0; | |
6d4238f3 | 1494 | } |
dc6f92b8 | 1495 | |
0f941935 | 1496 | x_frame_rehighlight (dpyinfo); |
6d4238f3 JB |
1497 | } |
1498 | ||
37c2c98b RS |
1499 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ |
1500 | ||
1501 | void | |
0f941935 KH |
1502 | x_mouse_leave (dpyinfo) |
1503 | struct x_display_info *dpyinfo; | |
37c2c98b | 1504 | { |
0f941935 | 1505 | x_new_focus_frame (dpyinfo, dpyinfo->x_focus_event_frame); |
37c2c98b | 1506 | } |
6d4238f3 | 1507 | |
f451eb13 JB |
1508 | /* The focus has changed, or we have redirected a frame's focus to |
1509 | another frame (this happens when a frame uses a surrogate | |
0f941935 KH |
1510 | minibuffer frame). Shift the highlight as appropriate. |
1511 | ||
1512 | The FRAME argument doesn't necessarily have anything to do with which | |
1513 | frame is being highlighted or unhighlighted; we only use it to find | |
1514 | the appropriate X display info. */ | |
6d4238f3 | 1515 | static void |
0f941935 KH |
1516 | XTframe_rehighlight (frame) |
1517 | struct frame *frame; | |
6d4238f3 | 1518 | { |
0f941935 KH |
1519 | x_frame_rehighlight (FRAME_X_DISPLAY_INFO (frame)); |
1520 | } | |
6d4238f3 | 1521 | |
0f941935 KH |
1522 | static void |
1523 | x_frame_rehighlight (dpyinfo) | |
1524 | struct x_display_info *dpyinfo; | |
1525 | { | |
1526 | struct frame *old_highlight = dpyinfo->x_highlight_frame; | |
1527 | ||
1528 | if (dpyinfo->x_focus_frame) | |
6d4238f3 | 1529 | { |
0f941935 KH |
1530 | dpyinfo->x_highlight_frame |
1531 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))) | |
1532 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame)) | |
1533 | : dpyinfo->x_focus_frame); | |
1534 | if (! FRAME_LIVE_P (dpyinfo->x_highlight_frame)) | |
f451eb13 | 1535 | { |
0f941935 KH |
1536 | FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame) = Qnil; |
1537 | dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame; | |
f451eb13 | 1538 | } |
dc6f92b8 | 1539 | } |
6d4238f3 | 1540 | else |
0f941935 | 1541 | dpyinfo->x_highlight_frame = 0; |
dc6f92b8 | 1542 | |
0f941935 | 1543 | if (dpyinfo->x_highlight_frame != old_highlight) |
6d4238f3 JB |
1544 | { |
1545 | if (old_highlight) | |
f676886a | 1546 | frame_unhighlight (old_highlight); |
0f941935 KH |
1547 | if (dpyinfo->x_highlight_frame) |
1548 | frame_highlight (dpyinfo->x_highlight_frame); | |
6d4238f3 | 1549 | } |
dc6f92b8 JB |
1550 | } |
1551 | \f | |
e4571a43 | 1552 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1553 | |
28430d3c JB |
1554 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1555 | static void | |
334208b7 RS |
1556 | x_find_modifier_meanings (dpyinfo) |
1557 | struct x_display_info *dpyinfo; | |
28430d3c | 1558 | { |
f689eb05 | 1559 | int min_code, max_code; |
28430d3c JB |
1560 | KeySym *syms; |
1561 | int syms_per_code; | |
1562 | XModifierKeymap *mods; | |
1563 | ||
334208b7 RS |
1564 | dpyinfo->meta_mod_mask = 0; |
1565 | dpyinfo->shift_lock_mask = 0; | |
1566 | dpyinfo->alt_mod_mask = 0; | |
1567 | dpyinfo->super_mod_mask = 0; | |
1568 | dpyinfo->hyper_mod_mask = 0; | |
58769bee | 1569 | |
9658a521 | 1570 | #ifdef HAVE_X11R4 |
334208b7 | 1571 | XDisplayKeycodes (dpyinfo->display, &min_code, &max_code); |
9658a521 | 1572 | #else |
4a60f8c5 RS |
1573 | min_code = dpyinfo->display->min_keycode; |
1574 | max_code = dpyinfo->display->max_keycode; | |
9658a521 JB |
1575 | #endif |
1576 | ||
334208b7 | 1577 | syms = XGetKeyboardMapping (dpyinfo->display, |
28430d3c JB |
1578 | min_code, max_code - min_code + 1, |
1579 | &syms_per_code); | |
334208b7 | 1580 | mods = XGetModifierMapping (dpyinfo->display); |
28430d3c | 1581 | |
58769bee | 1582 | /* Scan the modifier table to see which modifier bits the Meta and |
11edeb03 | 1583 | Alt keysyms are on. */ |
28430d3c JB |
1584 | { |
1585 | int row, col; /* The row and column in the modifier table. */ | |
1586 | ||
1587 | for (row = 3; row < 8; row++) | |
1588 | for (col = 0; col < mods->max_keypermod; col++) | |
1589 | { | |
0299d313 RS |
1590 | KeyCode code |
1591 | = mods->modifiermap[(row * mods->max_keypermod) + col]; | |
28430d3c | 1592 | |
af92970c KH |
1593 | /* Zeroes are used for filler. Skip them. */ |
1594 | if (code == 0) | |
1595 | continue; | |
1596 | ||
28430d3c JB |
1597 | /* Are any of this keycode's keysyms a meta key? */ |
1598 | { | |
1599 | int code_col; | |
1600 | ||
1601 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1602 | { | |
f689eb05 | 1603 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1604 | |
f689eb05 | 1605 | switch (sym) |
28430d3c | 1606 | { |
f689eb05 JB |
1607 | case XK_Meta_L: |
1608 | case XK_Meta_R: | |
334208b7 | 1609 | dpyinfo->meta_mod_mask |= (1 << row); |
28430d3c | 1610 | break; |
f689eb05 JB |
1611 | |
1612 | case XK_Alt_L: | |
1613 | case XK_Alt_R: | |
334208b7 | 1614 | dpyinfo->alt_mod_mask |= (1 << row); |
a3c44b14 RS |
1615 | break; |
1616 | ||
1617 | case XK_Hyper_L: | |
1618 | case XK_Hyper_R: | |
334208b7 | 1619 | dpyinfo->hyper_mod_mask |= (1 << row); |
a3c44b14 RS |
1620 | break; |
1621 | ||
1622 | case XK_Super_L: | |
1623 | case XK_Super_R: | |
334208b7 | 1624 | dpyinfo->super_mod_mask |= (1 << row); |
f689eb05 | 1625 | break; |
11edeb03 JB |
1626 | |
1627 | case XK_Shift_Lock: | |
1628 | /* Ignore this if it's not on the lock modifier. */ | |
1629 | if ((1 << row) == LockMask) | |
334208b7 | 1630 | dpyinfo->shift_lock_mask = LockMask; |
11edeb03 | 1631 | break; |
28430d3c JB |
1632 | } |
1633 | } | |
1634 | } | |
1635 | } | |
1636 | } | |
1637 | ||
f689eb05 | 1638 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
334208b7 | 1639 | if (! dpyinfo->meta_mod_mask) |
a3c44b14 | 1640 | { |
334208b7 RS |
1641 | dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask; |
1642 | dpyinfo->alt_mod_mask = 0; | |
a3c44b14 | 1643 | } |
f689eb05 | 1644 | |
148c4b70 RS |
1645 | /* If some keys are both alt and meta, |
1646 | make them just meta, not alt. */ | |
334208b7 | 1647 | if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask) |
148c4b70 | 1648 | { |
334208b7 | 1649 | dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask; |
148c4b70 | 1650 | } |
58769bee | 1651 | |
28430d3c | 1652 | XFree ((char *) syms); |
f689eb05 | 1653 | XFreeModifiermap (mods); |
28430d3c JB |
1654 | } |
1655 | ||
dfeccd2d JB |
1656 | /* Convert between the modifier bits X uses and the modifier bits |
1657 | Emacs uses. */ | |
7c5283e4 | 1658 | static unsigned int |
334208b7 RS |
1659 | x_x_to_emacs_modifiers (dpyinfo, state) |
1660 | struct x_display_info *dpyinfo; | |
dc6f92b8 JB |
1661 | unsigned int state; |
1662 | { | |
334208b7 RS |
1663 | return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0) |
1664 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
1665 | | ((state & dpyinfo->meta_mod_mask) ? meta_modifier : 0) | |
1666 | | ((state & dpyinfo->alt_mod_mask) ? alt_modifier : 0) | |
1667 | | ((state & dpyinfo->super_mod_mask) ? super_modifier : 0) | |
1668 | | ((state & dpyinfo->hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1669 | } |
1670 | ||
dfeccd2d | 1671 | static unsigned int |
334208b7 RS |
1672 | x_emacs_to_x_modifiers (dpyinfo, state) |
1673 | struct x_display_info *dpyinfo; | |
dfeccd2d JB |
1674 | unsigned int state; |
1675 | { | |
334208b7 RS |
1676 | return ( ((state & alt_modifier) ? dpyinfo->alt_mod_mask : 0) |
1677 | | ((state & super_modifier) ? dpyinfo->super_mod_mask : 0) | |
1678 | | ((state & hyper_modifier) ? dpyinfo->hyper_mod_mask : 0) | |
1679 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1680 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1681 | | ((state & meta_modifier) ? dpyinfo->meta_mod_mask : 0)); | |
dfeccd2d | 1682 | } |
d047c4eb KH |
1683 | |
1684 | /* Convert a keysym to its name. */ | |
1685 | ||
1686 | char * | |
1687 | x_get_keysym_name (keysym) | |
1688 | KeySym keysym; | |
1689 | { | |
1690 | char *value; | |
1691 | ||
1692 | BLOCK_INPUT; | |
1693 | value = XKeysymToString (keysym); | |
1694 | UNBLOCK_INPUT; | |
1695 | ||
1696 | return value; | |
1697 | } | |
e4571a43 JB |
1698 | \f |
1699 | /* Mouse clicks and mouse movement. Rah. */ | |
e4571a43 JB |
1700 | |
1701 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1702 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1703 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1704 | If NOCLIP is nonzero, do not force the value into range. */ | |
1705 | ||
c8dba240 | 1706 | void |
69388238 | 1707 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1708 | FRAME_PTR f; |
69388238 | 1709 | register int pix_x, pix_y; |
e4571a43 JB |
1710 | register int *x, *y; |
1711 | XRectangle *bounds; | |
69388238 | 1712 | int noclip; |
e4571a43 | 1713 | { |
69388238 RS |
1714 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1715 | even for negative values. */ | |
1716 | if (pix_x < 0) | |
7556890b | 1717 | pix_x -= FONT_WIDTH ((f)->output_data.x->font) - 1; |
69388238 | 1718 | if (pix_y < 0) |
7556890b | 1719 | pix_y -= (f)->output_data.x->line_height - 1; |
69388238 | 1720 | |
e4571a43 JB |
1721 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1722 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1723 | ||
1724 | if (bounds) | |
1725 | { | |
7556890b RS |
1726 | bounds->width = FONT_WIDTH (f->output_data.x->font); |
1727 | bounds->height = f->output_data.x->line_height; | |
e4571a43 JB |
1728 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1729 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1730 | } | |
1731 | ||
69388238 RS |
1732 | if (!noclip) |
1733 | { | |
1734 | if (pix_x < 0) | |
1735 | pix_x = 0; | |
1736 | else if (pix_x > f->width) | |
1737 | pix_x = f->width; | |
1738 | ||
1739 | if (pix_y < 0) | |
1740 | pix_y = 0; | |
1741 | else if (pix_y > f->height) | |
1742 | pix_y = f->height; | |
1743 | } | |
e4571a43 JB |
1744 | |
1745 | *x = pix_x; | |
1746 | *y = pix_y; | |
1747 | } | |
1748 | ||
2b5c9e71 RS |
1749 | void |
1750 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1751 | FRAME_PTR f; | |
1752 | register int x, y; | |
1753 | register int *pix_x, *pix_y; | |
1754 | { | |
1755 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1756 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1757 | } | |
1758 | ||
dc6f92b8 JB |
1759 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1760 | ||
1761 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1762 | the mouse. */ |
dc6f92b8 JB |
1763 | |
1764 | static Lisp_Object | |
f451eb13 | 1765 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1766 | struct input_event *result; |
1767 | XButtonEvent *event; | |
f676886a | 1768 | struct frame *f; |
dc6f92b8 | 1769 | { |
f451eb13 | 1770 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1771 | otherwise. */ |
f451eb13 | 1772 | result->kind = mouse_click; |
69388238 | 1773 | result->code = event->button - Button1; |
1113d9db | 1774 | result->timestamp = event->time; |
334208b7 RS |
1775 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1776 | event->state) | |
f689eb05 | 1777 | | (event->type == ButtonRelease |
58769bee | 1778 | ? up_modifier |
f689eb05 | 1779 | : down_modifier)); |
dc6f92b8 | 1780 | |
f451eb13 JB |
1781 | { |
1782 | int row, column; | |
dc6f92b8 | 1783 | |
2b5c9e71 | 1784 | #if 0 |
69388238 | 1785 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
90e1eb6f KH |
1786 | XSETFASTINT (result->x, column); |
1787 | XSETFASTINT (result->y, row); | |
2b5c9e71 | 1788 | #endif |
e0c1aef2 KH |
1789 | XSETINT (result->x, event->x); |
1790 | XSETINT (result->y, event->y); | |
1791 | XSETFRAME (result->frame_or_window, f); | |
f451eb13 | 1792 | } |
dc6f92b8 | 1793 | } |
b849c413 RS |
1794 | |
1795 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
1796 | ||
1797 | static Lisp_Object | |
1798 | construct_menu_click (result, event, f) | |
1799 | struct input_event *result; | |
1800 | XButtonEvent *event; | |
1801 | struct frame *f; | |
1802 | { | |
1803 | /* Make the event type no_event; we'll change that when we decide | |
1804 | otherwise. */ | |
1805 | result->kind = mouse_click; | |
e0c1aef2 | 1806 | XSETINT (result->code, event->button - Button1); |
b849c413 | 1807 | result->timestamp = event->time; |
334208b7 RS |
1808 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1809 | event->state) | |
b849c413 | 1810 | | (event->type == ButtonRelease |
58769bee | 1811 | ? up_modifier |
b849c413 RS |
1812 | : down_modifier)); |
1813 | ||
e0c1aef2 KH |
1814 | XSETINT (result->x, event->x); |
1815 | XSETINT (result->y, -1); | |
1816 | XSETFRAME (result->frame_or_window, f); | |
b849c413 | 1817 | } |
69388238 | 1818 | \f |
90e65f07 JB |
1819 | /* Function to report a mouse movement to the mainstream Emacs code. |
1820 | The input handler calls this. | |
1821 | ||
1822 | We have received a mouse movement event, which is given in *event. | |
1823 | If the mouse is over a different glyph than it was last time, tell | |
1824 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1825 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 1826 | |
90e65f07 | 1827 | static void |
12ba150f | 1828 | note_mouse_movement (frame, event) |
f676886a | 1829 | FRAME_PTR frame; |
90e65f07 | 1830 | XMotionEvent *event; |
90e65f07 | 1831 | { |
e5d77022 JB |
1832 | last_mouse_movement_time = event->time; |
1833 | ||
27f338af RS |
1834 | if (event->window != FRAME_X_WINDOW (frame)) |
1835 | { | |
39d8bb4d | 1836 | frame->mouse_moved = 1; |
27f338af RS |
1837 | last_mouse_scroll_bar = Qnil; |
1838 | ||
1839 | note_mouse_highlight (frame, -1, -1); | |
1840 | ||
1841 | /* Ask for another mouse motion event. */ | |
1842 | { | |
1843 | int dummy; | |
847e150a | 1844 | Window dummy_window; |
27f338af RS |
1845 | |
1846 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), | |
847e150a | 1847 | &dummy_window, &dummy_window, |
27f338af RS |
1848 | &dummy, &dummy, &dummy, &dummy, |
1849 | (unsigned int *) &dummy); | |
1850 | } | |
1851 | } | |
1852 | ||
90e65f07 | 1853 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
1854 | else if (event->x < last_mouse_glyph.x |
1855 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1856 | || event->y < last_mouse_glyph.y | |
1857 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f | 1858 | { |
39d8bb4d | 1859 | frame->mouse_moved = 1; |
ab648270 | 1860 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
1861 | |
1862 | note_mouse_highlight (frame, event->x, event->y); | |
1863 | ||
1864 | /* Ask for another mouse motion event. */ | |
1865 | { | |
1866 | int dummy; | |
847e150a | 1867 | Window dummy_window; |
b8009dd1 | 1868 | |
27f338af | 1869 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1870 | &dummy_window, &dummy_window, |
b8009dd1 RS |
1871 | &dummy, &dummy, &dummy, &dummy, |
1872 | (unsigned int *) &dummy); | |
1873 | } | |
12ba150f | 1874 | } |
90e65f07 JB |
1875 | else |
1876 | { | |
1877 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1878 | event the next time the mouse moves and we can see if it's | |
1879 | *still* on the same glyph. */ | |
1880 | int dummy; | |
847e150a | 1881 | Window dummy_window; |
58769bee | 1882 | |
27f338af | 1883 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1884 | &dummy_window, &dummy_window, |
90e65f07 JB |
1885 | &dummy, &dummy, &dummy, &dummy, |
1886 | (unsigned int *) &dummy); | |
1887 | } | |
1888 | } | |
1889 | ||
bf1c0ba1 RS |
1890 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
1891 | static int disable_mouse_highlight; | |
1892 | ||
b8009dd1 RS |
1893 | /* Take proper action when the mouse has moved to position X, Y on frame F |
1894 | as regards highlighting characters that have mouse-face properties. | |
27f338af RS |
1895 | Also dehighlighting chars where the mouse was before. |
1896 | X and Y can be negative or out of range. */ | |
b8009dd1 RS |
1897 | |
1898 | static void | |
1899 | note_mouse_highlight (f, x, y) | |
1900 | FRAME_PTR f; | |
c32cdd9a | 1901 | int x, y; |
b8009dd1 RS |
1902 | { |
1903 | int row, column, portion; | |
1904 | XRectangle new_glyph; | |
1905 | Lisp_Object window; | |
1906 | struct window *w; | |
1907 | ||
bf1c0ba1 RS |
1908 | if (disable_mouse_highlight) |
1909 | return; | |
1910 | ||
7a13e894 RS |
1911 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x = x; |
1912 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y = y; | |
1913 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame = f; | |
b8009dd1 | 1914 | |
7a13e894 | 1915 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_defer) |
b8009dd1 RS |
1916 | return; |
1917 | ||
514e4681 RS |
1918 | if (gc_in_progress) |
1919 | { | |
7a13e894 | 1920 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 1; |
514e4681 RS |
1921 | return; |
1922 | } | |
1923 | ||
b8009dd1 RS |
1924 | /* Find out which glyph the mouse is on. */ |
1925 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
334208b7 | 1926 | &new_glyph, FRAME_X_DISPLAY_INFO (f)->grabbed); |
b8009dd1 RS |
1927 | |
1928 | /* Which window is that in? */ | |
1929 | window = window_from_coordinates (f, column, row, &portion); | |
1930 | w = XWINDOW (window); | |
1931 | ||
1932 | /* If we were displaying active text in another window, clear that. */ | |
7a13e894 RS |
1933 | if (! EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) |
1934 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); | |
b8009dd1 | 1935 | |
0cdd0c9f RS |
1936 | /* Are we in a window whose display is up to date? |
1937 | And verify the buffer's text has not changed. */ | |
27f338af RS |
1938 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
1939 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
0cdd0c9f RS |
1940 | && EQ (w->window_end_valid, w->buffer) |
1941 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
1942 | { |
1943 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
1944 | int i, pos; | |
1945 | ||
1946 | /* Find which buffer position the mouse corresponds to. */ | |
1947 | for (i = column; i >= 0; i--) | |
1948 | if (ptr[i] > 0) | |
1949 | break; | |
1950 | pos = ptr[i]; | |
1951 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 | 1952 | if (pos <= 0) |
7a13e894 RS |
1953 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
1954 | else if (! (EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window) | |
1955 | && row >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1956 | && row <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1957 | && (row > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1958 | || column >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col) | |
1959 | && (row < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1960 | || column < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
1961 | || FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end))) | |
b8009dd1 RS |
1962 | { |
1963 | Lisp_Object mouse_face, overlay, position; | |
1964 | Lisp_Object *overlay_vec; | |
1965 | int len, noverlays, ignor1; | |
f8bdb8e6 | 1966 | struct buffer *obuf; |
e444162e | 1967 | int obegv, ozv; |
f8bdb8e6 | 1968 | |
e444162e RS |
1969 | /* If we get an out-of-range value, return now; avoid an error. */ |
1970 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 1971 | return; |
b8009dd1 | 1972 | |
09fe4c31 RS |
1973 | /* Make the window's buffer temporarily current for |
1974 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 1975 | obuf = current_buffer; |
09fe4c31 | 1976 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
1977 | obegv = BEGV; |
1978 | ozv = ZV; | |
1979 | BEGV = BEG; | |
1980 | ZV = Z; | |
09fe4c31 | 1981 | |
b8009dd1 | 1982 | /* Yes. Clear the display of the old active region, if any. */ |
7a13e894 | 1983 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
b8009dd1 RS |
1984 | |
1985 | /* Is this char mouse-active? */ | |
e0c1aef2 | 1986 | XSETINT (position, pos); |
b8009dd1 RS |
1987 | |
1988 | len = 10; | |
1989 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
1990 | ||
1991 | /* Put all the overlays we want in a vector in overlay_vec. | |
1992 | Store the length in len. */ | |
7965883b RS |
1993 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, |
1994 | NULL, NULL); | |
09fe4c31 | 1995 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
1996 | |
1997 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
1998 | overlay = Qnil; | |
1999 | for (i = 0; i < noverlays; i++) | |
2000 | { | |
2001 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2002 | if (!NILP (mouse_face)) | |
2003 | { | |
2004 | overlay = overlay_vec[i]; | |
2005 | break; | |
2006 | } | |
2007 | } | |
2008 | free (overlay_vec); | |
2009 | /* If no overlay applies, get a text property. */ | |
2010 | if (NILP (overlay)) | |
2011 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
2012 | ||
2013 | /* Handle the overlay case. */ | |
2014 | if (! NILP (overlay)) | |
2015 | { | |
2016 | /* Find the range of text around this char that | |
2017 | should be active. */ | |
2018 | Lisp_Object before, after; | |
2019 | int ignore; | |
2020 | ||
2021 | before = Foverlay_start (overlay); | |
2022 | after = Foverlay_end (overlay); | |
2023 | /* Record this as the current active region. */ | |
7a13e894 RS |
2024 | fast_find_position (window, before, |
2025 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
2026 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
2027 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
2028 | = !fast_find_position (window, after, | |
2029 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
2030 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
2031 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
2032 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
2033 | = compute_char_face (f, w, pos, 0, 0, | |
2034 | &ignore, pos + 1, 1); | |
b8009dd1 RS |
2035 | |
2036 | /* Display it as active. */ | |
7a13e894 | 2037 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 RS |
2038 | } |
2039 | /* Handle the text property case. */ | |
2040 | else if (! NILP (mouse_face)) | |
2041 | { | |
2042 | /* Find the range of text around this char that | |
2043 | should be active. */ | |
2044 | Lisp_Object before, after, beginning, end; | |
2045 | int ignore; | |
2046 | ||
2047 | beginning = Fmarker_position (w->start); | |
e0c1aef2 KH |
2048 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) |
2049 | - XFASTINT (w->window_end_pos))); | |
b8009dd1 RS |
2050 | before |
2051 | = Fprevious_single_property_change (make_number (pos + 1), | |
2052 | Qmouse_face, | |
2053 | w->buffer, beginning); | |
2054 | after | |
2055 | = Fnext_single_property_change (position, Qmouse_face, | |
2056 | w->buffer, end); | |
2057 | /* Record this as the current active region. */ | |
7a13e894 RS |
2058 | fast_find_position (window, before, |
2059 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
2060 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
2061 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
2062 | = !fast_find_position (window, after, | |
2063 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
2064 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
2065 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
2066 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
b8009dd1 RS |
2067 | = compute_char_face (f, w, pos, 0, 0, |
2068 | &ignore, pos + 1, 1); | |
2069 | ||
2070 | /* Display it as active. */ | |
7a13e894 | 2071 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 | 2072 | } |
e444162e RS |
2073 | BEGV = obegv; |
2074 | ZV = ozv; | |
09fe4c31 | 2075 | current_buffer = obuf; |
b8009dd1 | 2076 | } |
b8009dd1 RS |
2077 | } |
2078 | } | |
2079 | \f | |
2080 | /* Find the row and column of position POS in window WINDOW. | |
2081 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2082 | This assumes display in WINDOW is up to date. |
2083 | If POS is above start of WINDOW, return coords | |
2084 | of start of first screen line. | |
4d73d038 RS |
2085 | If POS is after end of WINDOW, return coords of end of last screen line. |
2086 | ||
2087 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
b8009dd1 RS |
2088 | |
2089 | static int | |
2090 | fast_find_position (window, pos, columnp, rowp) | |
2091 | Lisp_Object window; | |
2092 | int pos; | |
2093 | int *columnp, *rowp; | |
2094 | { | |
2095 | struct window *w = XWINDOW (window); | |
2096 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2097 | int i; | |
4d73d038 | 2098 | int row = 0; |
b8009dd1 RS |
2099 | int left = w->left; |
2100 | int top = w->top; | |
2101 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2102 | int width = window_internal_width (w); | |
2103 | int *charstarts; | |
bf1c0ba1 | 2104 | int lastcol; |
77b68646 | 2105 | int maybe_next_line = 0; |
b8009dd1 | 2106 | |
4d73d038 | 2107 | /* Find the right row. */ |
b8009dd1 RS |
2108 | for (i = 0; |
2109 | i < height; | |
2110 | i++) | |
2111 | { | |
2112 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2113 | if (linestart > pos) | |
2114 | break; | |
77b68646 RS |
2115 | /* If the position sought is the end of the buffer, |
2116 | don't include the blank lines at the bottom of the window. */ | |
2117 | if (linestart == pos && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2118 | { | |
2119 | maybe_next_line = 1; | |
2120 | break; | |
2121 | } | |
b8009dd1 RS |
2122 | if (linestart > 0) |
2123 | row = i; | |
2124 | } | |
2125 | ||
4d73d038 | 2126 | /* Find the right column with in it. */ |
b8009dd1 | 2127 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
bf1c0ba1 | 2128 | lastcol = left; |
b8009dd1 | 2129 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2130 | { |
2131 | if (charstarts[left + i] == pos) | |
2132 | { | |
2133 | *rowp = row + top; | |
2134 | *columnp = i + left; | |
2135 | return 1; | |
2136 | } | |
2137 | else if (charstarts[left + i] > pos) | |
4d73d038 RS |
2138 | break; |
2139 | else if (charstarts[left + i] > 0) | |
bf1c0ba1 RS |
2140 | lastcol = left + i; |
2141 | } | |
b8009dd1 | 2142 | |
77b68646 RS |
2143 | /* If we're looking for the end of the buffer, |
2144 | and we didn't find it in the line we scanned, | |
2145 | use the start of the following line. */ | |
2146 | if (maybe_next_line) | |
2147 | { | |
2148 | row++; | |
2149 | i = 0; | |
2150 | } | |
2151 | ||
bf1c0ba1 RS |
2152 | *rowp = row + top; |
2153 | *columnp = lastcol; | |
b8009dd1 RS |
2154 | return 0; |
2155 | } | |
2156 | ||
2157 | /* Display the active region described by mouse_face_* | |
2158 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2159 | ||
2160 | static void | |
7a13e894 RS |
2161 | show_mouse_face (dpyinfo, hl) |
2162 | struct x_display_info *dpyinfo; | |
b8009dd1 RS |
2163 | int hl; |
2164 | { | |
7a13e894 | 2165 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); |
b8009dd1 RS |
2166 | int width = window_internal_width (w); |
2167 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2168 | int i; | |
514e4681 | 2169 | int cursor_off = 0; |
fb3b7de5 RS |
2170 | int old_curs_x = curs_x; |
2171 | int old_curs_y = curs_y; | |
2172 | ||
2173 | /* Set these variables temporarily | |
2174 | so that if we have to turn the cursor off and on again | |
2175 | we will put it back at the same place. */ | |
2176 | curs_x = f->phys_cursor_x; | |
2177 | curs_y = f->phys_cursor_y; | |
b8009dd1 | 2178 | |
7a13e894 RS |
2179 | for (i = FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row; |
2180 | i <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row; i++) | |
b8009dd1 | 2181 | { |
7a13e894 RS |
2182 | int column = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
2183 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col | |
2184 | : w->left); | |
2185 | int endcolumn = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
2186 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
2187 | : w->left + width); | |
6f4c2453 | 2188 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
514e4681 RS |
2189 | |
2190 | /* If the cursor's in the text we are about to rewrite, | |
2191 | turn the cursor off. */ | |
2192 | if (i == curs_y | |
0d43a5d9 RS |
2193 | && curs_x >= column - 1 |
2194 | && curs_x <= endcolumn) | |
514e4681 RS |
2195 | { |
2196 | x_display_cursor (f, 0); | |
2197 | cursor_off = 1; | |
2198 | } | |
b8009dd1 RS |
2199 | |
2200 | dumpglyphs (f, | |
2201 | CHAR_TO_PIXEL_COL (f, column), | |
2202 | CHAR_TO_PIXEL_ROW (f, i), | |
2203 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2204 | endcolumn - column, | |
2205 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2206 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2207 | } |
2208 | ||
514e4681 RS |
2209 | /* If we turned the cursor off, turn it back on. */ |
2210 | if (cursor_off) | |
2211 | x_display_cursor (f, 1); | |
27ead1d5 | 2212 | |
fb3b7de5 RS |
2213 | curs_x = old_curs_x; |
2214 | curs_y = old_curs_y; | |
2215 | ||
27ead1d5 FP |
2216 | /* Change the mouse cursor according to the value of HL. */ |
2217 | if (hl > 0) | |
334208b7 | 2218 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 2219 | f->output_data.x->cross_cursor); |
27ead1d5 | 2220 | else |
334208b7 | 2221 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 2222 | f->output_data.x->text_cursor); |
b8009dd1 RS |
2223 | } |
2224 | ||
2225 | /* Clear out the mouse-highlighted active region. | |
2226 | Redraw it unhighlighted first. */ | |
2227 | ||
2228 | static void | |
7a13e894 RS |
2229 | clear_mouse_face (dpyinfo) |
2230 | struct x_display_info *dpyinfo; | |
b8009dd1 | 2231 | { |
7a13e894 RS |
2232 | if (! NILP (dpyinfo->mouse_face_window)) |
2233 | show_mouse_face (dpyinfo, 0); | |
b8009dd1 | 2234 | |
7a13e894 RS |
2235 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
2236 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
2237 | dpyinfo->mouse_face_window = Qnil; | |
b8009dd1 RS |
2238 | } |
2239 | \f | |
ab648270 JB |
2240 | static struct scroll_bar *x_window_to_scroll_bar (); |
2241 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2242 | |
90e65f07 | 2243 | /* Return the current position of the mouse. |
2d7fc7e8 | 2244 | *fp should be a frame which indicates which display to ask about. |
90e65f07 | 2245 | |
2d7fc7e8 | 2246 | If the mouse movement started in a scroll bar, set *fp, *bar_window, |
ab648270 | 2247 | and *part to the frame, window, and scroll bar part that the mouse |
12ba150f | 2248 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2249 | position on the scroll bar. |
12ba150f | 2250 | |
2d7fc7e8 | 2251 | If the mouse movement started elsewhere, set *fp to the frame the |
12ba150f JB |
2252 | mouse is on, *bar_window to nil, and *x and *y to the character cell |
2253 | the mouse is over. | |
2254 | ||
2255 | Set *time to the server timestamp for the time at which the mouse | |
2256 | was at this position. | |
2257 | ||
a135645a RS |
2258 | Don't store anything if we don't have a valid set of values to report. |
2259 | ||
90e65f07 | 2260 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2261 | movement. This also calls XQueryPointer, which will cause the |
2262 | server to give us another MotionNotify when the mouse moves | |
2263 | again. */ | |
90e65f07 JB |
2264 | |
2265 | static void | |
1cf412ec | 2266 | XTmouse_position (fp, insist, bar_window, part, x, y, time) |
334208b7 | 2267 | FRAME_PTR *fp; |
1cf412ec | 2268 | int insist; |
12ba150f | 2269 | Lisp_Object *bar_window; |
ab648270 | 2270 | enum scroll_bar_part *part; |
90e65f07 | 2271 | Lisp_Object *x, *y; |
e5d77022 | 2272 | unsigned long *time; |
90e65f07 | 2273 | { |
a135645a RS |
2274 | FRAME_PTR f1; |
2275 | ||
90e65f07 JB |
2276 | BLOCK_INPUT; |
2277 | ||
ab648270 | 2278 | if (! NILP (last_mouse_scroll_bar)) |
334208b7 | 2279 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
90e65f07 JB |
2280 | else |
2281 | { | |
12ba150f JB |
2282 | Window root; |
2283 | int root_x, root_y; | |
90e65f07 | 2284 | |
12ba150f JB |
2285 | Window dummy_window; |
2286 | int dummy; | |
2287 | ||
39d8bb4d KH |
2288 | Lisp_Object frame, tail; |
2289 | ||
2290 | /* Clear the mouse-moved flag for every frame on this display. */ | |
2291 | FOR_EACH_FRAME (tail, frame) | |
2292 | if (FRAME_X_DISPLAY (XFRAME (frame)) == FRAME_X_DISPLAY (*fp)) | |
2293 | XFRAME (frame)->mouse_moved = 0; | |
2294 | ||
ab648270 | 2295 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2296 | |
2297 | /* Figure out which root window we're on. */ | |
334208b7 RS |
2298 | XQueryPointer (FRAME_X_DISPLAY (*fp), |
2299 | DefaultRootWindow (FRAME_X_DISPLAY (*fp)), | |
12ba150f JB |
2300 | |
2301 | /* The root window which contains the pointer. */ | |
2302 | &root, | |
2303 | ||
2304 | /* Trash which we can't trust if the pointer is on | |
2305 | a different screen. */ | |
2306 | &dummy_window, | |
2307 | ||
2308 | /* The position on that root window. */ | |
58769bee | 2309 | &root_x, &root_y, |
12ba150f JB |
2310 | |
2311 | /* More trash we can't trust. */ | |
2312 | &dummy, &dummy, | |
2313 | ||
2314 | /* Modifier keys and pointer buttons, about which | |
2315 | we don't care. */ | |
2316 | (unsigned int *) &dummy); | |
2317 | ||
2318 | /* Now we have a position on the root; find the innermost window | |
2319 | containing the pointer. */ | |
2320 | { | |
2321 | Window win, child; | |
2322 | int win_x, win_y; | |
2323 | int parent_x, parent_y; | |
2324 | ||
2325 | win = root; | |
69388238 | 2326 | |
2d7fc7e8 RS |
2327 | /* XTranslateCoordinates can get errors if the window |
2328 | structure is changing at the same time this function | |
2329 | is running. So at least we must not crash from them. */ | |
2330 | ||
2331 | x_catch_errors (FRAME_X_DISPLAY (*fp)); | |
2332 | ||
334208b7 | 2333 | if (FRAME_X_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
23faf38f | 2334 | && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 2335 | { |
69388238 RS |
2336 | /* If mouse was grabbed on a frame, give coords for that frame |
2337 | even if the mouse is now outside it. */ | |
334208b7 | 2338 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
69388238 | 2339 | |
12ba150f | 2340 | /* From-window, to-window. */ |
69388238 | 2341 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2342 | |
2343 | /* From-position, to-position. */ | |
2344 | root_x, root_y, &win_x, &win_y, | |
2345 | ||
2346 | /* Child of win. */ | |
2347 | &child); | |
69388238 RS |
2348 | f1 = last_mouse_frame; |
2349 | } | |
2350 | else | |
2351 | { | |
2352 | while (1) | |
2353 | { | |
334208b7 | 2354 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
12ba150f | 2355 | |
69388238 RS |
2356 | /* From-window, to-window. */ |
2357 | root, win, | |
12ba150f | 2358 | |
69388238 RS |
2359 | /* From-position, to-position. */ |
2360 | root_x, root_y, &win_x, &win_y, | |
2361 | ||
2362 | /* Child of win. */ | |
2363 | &child); | |
2364 | ||
9af3143a | 2365 | if (child == None || child == win) |
69388238 RS |
2366 | break; |
2367 | ||
2368 | win = child; | |
2369 | parent_x = win_x; | |
2370 | parent_y = win_y; | |
2371 | } | |
12ba150f | 2372 | |
69388238 RS |
2373 | /* Now we know that: |
2374 | win is the innermost window containing the pointer | |
2375 | (XTC says it has no child containing the pointer), | |
2376 | win_x and win_y are the pointer's position in it | |
2377 | (XTC did this the last time through), and | |
2378 | parent_x and parent_y are the pointer's position in win's parent. | |
2379 | (They are what win_x and win_y were when win was child. | |
2380 | If win is the root window, it has no parent, and | |
2381 | parent_{x,y} are invalid, but that's okay, because we'll | |
2382 | never use them in that case.) */ | |
2383 | ||
2384 | /* Is win one of our frames? */ | |
19126e11 | 2385 | f1 = x_any_window_to_frame (FRAME_X_DISPLAY_INFO (*fp), win); |
69388238 | 2386 | } |
58769bee | 2387 | |
2d7fc7e8 RS |
2388 | if (x_had_errors_p (FRAME_X_DISPLAY (*fp))) |
2389 | f1 = 0; | |
2390 | ||
2391 | x_uncatch_errors (FRAME_X_DISPLAY (*fp)); | |
2392 | ||
ab648270 | 2393 | /* If not, is it one of our scroll bars? */ |
a135645a | 2394 | if (! f1) |
12ba150f | 2395 | { |
ab648270 | 2396 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2397 | |
2398 | if (bar) | |
2399 | { | |
a135645a | 2400 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2401 | win_x = parent_x; |
2402 | win_y = parent_y; | |
2403 | } | |
2404 | } | |
90e65f07 | 2405 | |
1cf412ec RS |
2406 | if (f1 == 0 && insist) |
2407 | f1 = selected_frame; | |
2408 | ||
a135645a | 2409 | if (f1) |
12ba150f | 2410 | { |
2b5c9e71 RS |
2411 | int ignore1, ignore2; |
2412 | ||
2413 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2414 | |
2b5c9e71 | 2415 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
334208b7 | 2416 | &last_mouse_glyph, |
1cf412ec RS |
2417 | FRAME_X_DISPLAY_INFO (f1)->grabbed |
2418 | || insist); | |
12ba150f JB |
2419 | |
2420 | *bar_window = Qnil; | |
2421 | *part = 0; | |
334208b7 | 2422 | *fp = f1; |
e0c1aef2 KH |
2423 | XSETINT (*x, win_x); |
2424 | XSETINT (*y, win_y); | |
12ba150f JB |
2425 | *time = last_mouse_movement_time; |
2426 | } | |
2427 | } | |
2428 | } | |
90e65f07 JB |
2429 | |
2430 | UNBLOCK_INPUT; | |
2431 | } | |
c118dd06 | 2432 | \f |
ab648270 | 2433 | /* Scroll bar support. */ |
f451eb13 | 2434 | |
ab648270 JB |
2435 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2436 | This can be called in GC, so we have to make sure to strip off mark | |
2437 | bits. */ | |
2438 | static struct scroll_bar * | |
2439 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2440 | Window window_id; |
2441 | { | |
2442 | Lisp_Object tail, frame; | |
f451eb13 | 2443 | |
ab648270 JB |
2444 | for (tail = Vframe_list; |
2445 | XGCTYPE (tail) == Lisp_Cons; | |
2446 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2447 | { |
abdda982 | 2448 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2449 | |
abdda982 | 2450 | frame = XCONS (tail)->car; |
f451eb13 | 2451 | /* All elements of Vframe_list should be frames. */ |
0299d313 | 2452 | if (! GC_FRAMEP (frame)) |
f451eb13 JB |
2453 | abort (); |
2454 | ||
ab648270 | 2455 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2456 | right window ID. */ |
ab648270 JB |
2457 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2458 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2459 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2460 | condemned scroll bar lists with one loop. */ |
2461 | ! GC_NILP (bar) || (bar = condemned, | |
2462 | condemned = Qnil, | |
2463 | ! GC_NILP (bar)); | |
bc20ebbf | 2464 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2465 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2466 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2467 | } |
2468 | ||
2469 | return 0; | |
2470 | } | |
2471 | ||
ab648270 JB |
2472 | /* Open a new X window to serve as a scroll bar, and return the |
2473 | scroll bar vector for it. */ | |
2474 | static struct scroll_bar * | |
2475 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2476 | struct window *window; |
f451eb13 JB |
2477 | int top, left, width, height; |
2478 | { | |
334208b7 RS |
2479 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
2480 | struct scroll_bar *bar | |
2481 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2482 | |
2483 | BLOCK_INPUT; | |
2484 | ||
2485 | { | |
2486 | XSetWindowAttributes a; | |
2487 | unsigned long mask; | |
7556890b | 2488 | a.background_pixel = f->output_data.x->background_pixel; |
12ba150f | 2489 | a.event_mask = (ButtonPressMask | ButtonReleaseMask |
9a572e2a | 2490 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2491 | | ExposureMask); |
7a13e894 | 2492 | a.cursor = FRAME_X_DISPLAY_INFO (f)->vertical_scroll_bar_cursor; |
f451eb13 | 2493 | |
dbc4e1c1 | 2494 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2495 | |
3afe33e7 RS |
2496 | #if 0 |
2497 | ||
2498 | ac = 0; | |
2499 | XtSetArg (al[ac], XtNx, left); ac++; | |
2500 | XtSetArg (al[ac], XtNy, top); ac++; | |
2501 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2502 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2503 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2504 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 | 2505 | boxWidgetClass, |
7556890b | 2506 | f->output_data.x->edit_widget, al, ac); |
7246d1d3 | 2507 | SET_SCROLL_BAR_X_WINDOW |
3afe33e7 | 2508 | (bar, sb_widget->core.window); |
58769bee | 2509 | #endif |
7246d1d3 | 2510 | SET_SCROLL_BAR_X_WINDOW |
58769bee | 2511 | (bar, |
334208b7 | 2512 | XCreateWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f451eb13 | 2513 | |
ab648270 | 2514 | /* Position and size of scroll bar. */ |
12ba150f | 2515 | left, top, width, height, |
f451eb13 | 2516 | |
12ba150f JB |
2517 | /* Border width, depth, class, and visual. */ |
2518 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2519 | |
12ba150f JB |
2520 | /* Attributes. */ |
2521 | mask, &a)); | |
f451eb13 JB |
2522 | } |
2523 | ||
e0c1aef2 KH |
2524 | XSETWINDOW (bar->window, window); |
2525 | XSETINT (bar->top, top); | |
2526 | XSETINT (bar->left, left); | |
2527 | XSETINT (bar->width, width); | |
2528 | XSETINT (bar->height, height); | |
2529 | XSETINT (bar->start, 0); | |
2530 | XSETINT (bar->end, 0); | |
12ba150f | 2531 | bar->dragging = Qnil; |
f451eb13 JB |
2532 | |
2533 | /* Add bar to its frame's list of scroll bars. */ | |
334208b7 | 2534 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2535 | bar->prev = Qnil; |
334208b7 | 2536 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2537 | if (! NILP (bar->next)) |
e0c1aef2 | 2538 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
f451eb13 | 2539 | |
7f9c7f94 | 2540 | XMapRaised (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2541 | |
2542 | UNBLOCK_INPUT; | |
12ba150f JB |
2543 | |
2544 | return bar; | |
f451eb13 JB |
2545 | } |
2546 | ||
12ba150f JB |
2547 | /* Draw BAR's handle in the proper position. |
2548 | If the handle is already drawn from START to END, don't bother | |
2549 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2550 | redraw it. (REBUILD is handy for drawing the handle after expose | |
58769bee | 2551 | events.) |
12ba150f JB |
2552 | |
2553 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2554 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2555 | handle, we want to let them drag it down all the way, so that the |
2556 | bar's top is as far down as it goes; otherwise, there's no way to | |
2557 | move to the very end of the buffer. */ | |
f451eb13 | 2558 | static void |
ab648270 JB |
2559 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2560 | struct scroll_bar *bar; | |
f451eb13 | 2561 | int start, end; |
12ba150f | 2562 | int rebuild; |
f451eb13 | 2563 | { |
12ba150f | 2564 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2565 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 | 2566 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7556890b | 2567 | GC gc = f->output_data.x->normal_gc; |
12ba150f JB |
2568 | |
2569 | /* If the display is already accurate, do nothing. */ | |
2570 | if (! rebuild | |
2571 | && start == XINT (bar->start) | |
2572 | && end == XINT (bar->end)) | |
2573 | return; | |
2574 | ||
f451eb13 JB |
2575 | BLOCK_INPUT; |
2576 | ||
2577 | { | |
ab648270 JB |
2578 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2579 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2580 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2581 | |
2582 | /* Make sure the values are reasonable, and try to preserve | |
2583 | the distance between start and end. */ | |
12ba150f JB |
2584 | { |
2585 | int length = end - start; | |
2586 | ||
2587 | if (start < 0) | |
2588 | start = 0; | |
2589 | else if (start > top_range) | |
2590 | start = top_range; | |
2591 | end = start + length; | |
2592 | ||
2593 | if (end < start) | |
2594 | end = start; | |
2595 | else if (end > top_range && ! dragging) | |
2596 | end = top_range; | |
2597 | } | |
f451eb13 | 2598 | |
ab648270 | 2599 | /* Store the adjusted setting in the scroll bar. */ |
e0c1aef2 KH |
2600 | XSETINT (bar->start, start); |
2601 | XSETINT (bar->end, end); | |
f451eb13 | 2602 | |
12ba150f JB |
2603 | /* Clip the end position, just for display. */ |
2604 | if (end > top_range) | |
2605 | end = top_range; | |
f451eb13 | 2606 | |
ab648270 | 2607 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2608 | below top positions, to make sure the handle is always at least |
2609 | that many pixels tall. */ | |
ab648270 | 2610 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2611 | |
12ba150f JB |
2612 | /* Draw the empty space above the handle. Note that we can't clear |
2613 | zero-height areas; that means "clear to end of window." */ | |
2614 | if (0 < start) | |
334208b7 | 2615 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2616 | |
12ba150f | 2617 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2618 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2619 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2620 | inside_width, start, |
2621 | False); | |
f451eb13 | 2622 | |
12ba150f | 2623 | /* Draw the handle itself. */ |
334208b7 | 2624 | XFillRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 | 2625 | |
12ba150f | 2626 | /* x, y, width, height */ |
ab648270 JB |
2627 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2628 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2629 | inside_width, end - start); |
f451eb13 | 2630 | |
f451eb13 | 2631 | |
12ba150f JB |
2632 | /* Draw the empty space below the handle. Note that we can't |
2633 | clear zero-height areas; that means "clear to end of window." */ | |
2634 | if (end < inside_height) | |
334208b7 | 2635 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2636 | |
12ba150f | 2637 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2638 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2639 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2640 | inside_width, inside_height - end, |
2641 | False); | |
f451eb13 | 2642 | |
f451eb13 JB |
2643 | } |
2644 | ||
f451eb13 JB |
2645 | UNBLOCK_INPUT; |
2646 | } | |
2647 | ||
eb8c3be9 | 2648 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2649 | window configurations. */ |
f451eb13 | 2650 | static void |
ab648270 JB |
2651 | x_scroll_bar_move (bar, top, left, width, height) |
2652 | struct scroll_bar *bar; | |
f451eb13 JB |
2653 | int top, left, width, height; |
2654 | { | |
334208b7 RS |
2655 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2656 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2657 | ||
f451eb13 JB |
2658 | BLOCK_INPUT; |
2659 | ||
2660 | { | |
2661 | XWindowChanges wc; | |
2662 | unsigned int mask = 0; | |
2663 | ||
2664 | wc.x = left; | |
2665 | wc.y = top; | |
2666 | wc.width = width; | |
2667 | wc.height = height; | |
2668 | ||
12ba150f JB |
2669 | if (left != XINT (bar->left)) mask |= CWX; |
2670 | if (top != XINT (bar->top)) mask |= CWY; | |
2671 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2672 | if (height != XINT (bar->height)) mask |= CWHeight; | |
58769bee | 2673 | |
12ba150f | 2674 | if (mask) |
334208b7 | 2675 | XConfigureWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2676 | mask, &wc); |
f451eb13 JB |
2677 | } |
2678 | ||
e0c1aef2 KH |
2679 | XSETINT (bar->left, left); |
2680 | XSETINT (bar->top, top); | |
2681 | XSETINT (bar->width, width); | |
2682 | XSETINT (bar->height, height); | |
12ba150f | 2683 | |
f451eb13 JB |
2684 | UNBLOCK_INPUT; |
2685 | } | |
2686 | ||
ab648270 | 2687 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2688 | to nil. */ |
2689 | static void | |
ab648270 JB |
2690 | x_scroll_bar_remove (bar) |
2691 | struct scroll_bar *bar; | |
12ba150f JB |
2692 | { |
2693 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2694 | ||
2695 | BLOCK_INPUT; | |
2696 | ||
2697 | /* Destroy the window. */ | |
334208b7 | 2698 | XDestroyWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2699 | |
ab648270 JB |
2700 | /* Disassociate this scroll bar from its window. */ |
2701 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2702 | |
2703 | UNBLOCK_INPUT; | |
2704 | } | |
2705 | ||
2706 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2707 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2708 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2709 | create one. */ |
2710 | static void | |
ab648270 | 2711 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2712 | struct window *window; |
2713 | int portion, whole, position; | |
2714 | { | |
2715 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2716 | int top = XINT (window->top); |
ab648270 JB |
2717 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2718 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2719 | |
ab648270 | 2720 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2721 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2722 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
b2cad826 KH |
2723 | int pixel_width |
2724 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
2725 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
7556890b | 2726 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font))); |
ab648270 | 2727 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); |
f451eb13 | 2728 | |
ab648270 | 2729 | struct scroll_bar *bar; |
12ba150f | 2730 | |
ab648270 JB |
2731 | /* Does the scroll bar exist yet? */ |
2732 | if (NILP (window->vertical_scroll_bar)) | |
2733 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2734 | pixel_top, pixel_left, |
2735 | pixel_width, pixel_height); | |
2736 | else | |
12ba150f JB |
2737 | { |
2738 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2739 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2740 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2741 | } |
f451eb13 | 2742 | |
ab648270 | 2743 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2744 | dragged. */ |
12ba150f | 2745 | if (NILP (bar->dragging)) |
f451eb13 | 2746 | { |
0299d313 | 2747 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2748 | |
12ba150f | 2749 | if (whole == 0) |
ab648270 | 2750 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2751 | else |
2752 | { | |
43f868f5 JB |
2753 | int start = ((double) position * top_range) / whole; |
2754 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2755 | |
ab648270 | 2756 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2757 | } |
f451eb13 JB |
2758 | } |
2759 | ||
e0c1aef2 | 2760 | XSETVECTOR (window->vertical_scroll_bar, bar); |
f451eb13 JB |
2761 | } |
2762 | ||
12ba150f | 2763 | |
f451eb13 | 2764 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2765 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2766 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2767 | away is a real pain - "Can you say set-window-configuration, boys |
2768 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2769 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2770 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2771 | |
ab648270 JB |
2772 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2773 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2774 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
58769bee | 2775 | static void |
ab648270 | 2776 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2777 | FRAME_PTR frame; |
2778 | { | |
f9e24cb9 RS |
2779 | /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */ |
2780 | while (! NILP (FRAME_SCROLL_BARS (frame))) | |
2781 | { | |
2782 | Lisp_Object bar; | |
2783 | bar = FRAME_SCROLL_BARS (frame); | |
2784 | FRAME_SCROLL_BARS (frame) = XSCROLL_BAR (bar)->next; | |
2785 | XSCROLL_BAR (bar)->next = FRAME_CONDEMNED_SCROLL_BARS (frame); | |
2786 | XSCROLL_BAR (bar)->prev = Qnil; | |
2787 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
2788 | XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame))->prev = bar; | |
2789 | FRAME_CONDEMNED_SCROLL_BARS (frame) = bar; | |
2790 | } | |
f451eb13 JB |
2791 | } |
2792 | ||
ab648270 | 2793 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2794 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2795 | static void |
ab648270 | 2796 | XTredeem_scroll_bar (window) |
12ba150f | 2797 | struct window *window; |
f451eb13 | 2798 | { |
ab648270 | 2799 | struct scroll_bar *bar; |
12ba150f | 2800 | |
ab648270 JB |
2801 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2802 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2803 | abort (); |
2804 | ||
ab648270 | 2805 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2806 | |
2807 | /* Unlink it from the condemned list. */ | |
2808 | { | |
2809 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2810 | ||
2811 | if (NILP (bar->prev)) | |
2812 | { | |
2813 | /* If the prev pointer is nil, it must be the first in one of | |
2814 | the lists. */ | |
ab648270 | 2815 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2816 | /* It's not condemned. Everything's fine. */ |
2817 | return; | |
ab648270 JB |
2818 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2819 | window->vertical_scroll_bar)) | |
2820 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2821 | else |
2822 | /* If its prev pointer is nil, it must be at the front of | |
2823 | one or the other! */ | |
2824 | abort (); | |
2825 | } | |
2826 | else | |
ab648270 | 2827 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2828 | |
2829 | if (! NILP (bar->next)) | |
ab648270 | 2830 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2831 | |
ab648270 | 2832 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2833 | bar->prev = Qnil; |
e0c1aef2 | 2834 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2835 | if (! NILP (bar->next)) |
e0c1aef2 | 2836 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
12ba150f | 2837 | } |
f451eb13 JB |
2838 | } |
2839 | ||
ab648270 JB |
2840 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2841 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2842 | static void |
ab648270 | 2843 | XTjudge_scroll_bars (f) |
12ba150f | 2844 | FRAME_PTR f; |
f451eb13 | 2845 | { |
12ba150f | 2846 | Lisp_Object bar, next; |
f451eb13 | 2847 | |
ab648270 | 2848 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2849 | |
2850 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2851 | more events on the hapless scroll bars. */ |
2852 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2853 | |
2854 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2855 | { |
ab648270 | 2856 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2857 | |
ab648270 | 2858 | x_scroll_bar_remove (b); |
12ba150f JB |
2859 | |
2860 | next = b->next; | |
2861 | b->next = b->prev = Qnil; | |
f451eb13 | 2862 | } |
12ba150f | 2863 | |
ab648270 | 2864 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2865 | and they should get garbage-collected. */ |
f451eb13 JB |
2866 | } |
2867 | ||
2868 | ||
ab648270 JB |
2869 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2870 | ||
2871 | This may be called from a signal handler, so we have to ignore GC | |
2872 | mark bits. */ | |
f451eb13 | 2873 | static void |
ab648270 JB |
2874 | x_scroll_bar_expose (bar, event) |
2875 | struct scroll_bar *bar; | |
f451eb13 JB |
2876 | XEvent *event; |
2877 | { | |
ab648270 | 2878 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 | 2879 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7556890b | 2880 | GC gc = f->output_data.x->normal_gc; |
12ba150f | 2881 | |
f451eb13 JB |
2882 | BLOCK_INPUT; |
2883 | ||
ab648270 | 2884 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2885 | |
ab648270 | 2886 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
334208b7 | 2887 | XDrawRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 JB |
2888 | |
2889 | /* x, y, width, height */ | |
12ba150f | 2890 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2891 | |
f451eb13 JB |
2892 | UNBLOCK_INPUT; |
2893 | } | |
2894 | ||
ab648270 JB |
2895 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2896 | is set to something other than no_event, it is enqueued. | |
2897 | ||
2898 | This may be called from a signal handler, so we have to ignore GC | |
2899 | mark bits. */ | |
f451eb13 | 2900 | static void |
ab648270 JB |
2901 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2902 | struct scroll_bar *bar; | |
f451eb13 JB |
2903 | XEvent *event; |
2904 | struct input_event *emacs_event; | |
2905 | { | |
0299d313 | 2906 | if (! GC_WINDOWP (bar->window)) |
12ba150f JB |
2907 | abort (); |
2908 | ||
ab648270 | 2909 | emacs_event->kind = scroll_bar_click; |
69388238 | 2910 | emacs_event->code = event->xbutton.button - Button1; |
0299d313 RS |
2911 | emacs_event->modifiers |
2912 | = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO | |
2913 | (XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))), | |
2914 | event->xbutton.state) | |
2915 | | (event->type == ButtonRelease | |
2916 | ? up_modifier | |
2917 | : down_modifier)); | |
12ba150f | 2918 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2919 | emacs_event->timestamp = event->xbutton.time; |
12ba150f | 2920 | { |
0299d313 RS |
2921 | int internal_height |
2922 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2923 | int top_range | |
2924 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
ab648270 | 2925 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
2926 | |
2927 | if (y < 0) y = 0; | |
2928 | if (y > top_range) y = top_range; | |
2929 | ||
2930 | if (y < XINT (bar->start)) | |
ab648270 JB |
2931 | emacs_event->part = scroll_bar_above_handle; |
2932 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2933 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2934 | else |
ab648270 | 2935 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2936 | |
2937 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2938 | they want to drag it. Lisp code needs to be able to decide |
2939 | whether or not we're dragging. */ | |
929787e1 | 2940 | #if 0 |
12ba150f JB |
2941 | /* If the user has just clicked on the handle, record where they're |
2942 | holding it. */ | |
2943 | if (event->type == ButtonPress | |
ab648270 | 2944 | && emacs_event->part == scroll_bar_handle) |
e0c1aef2 | 2945 | XSETINT (bar->dragging, y - XINT (bar->start)); |
929787e1 | 2946 | #endif |
12ba150f JB |
2947 | |
2948 | /* If the user has released the handle, set it to its final position. */ | |
2949 | if (event->type == ButtonRelease | |
2950 | && ! NILP (bar->dragging)) | |
2951 | { | |
2952 | int new_start = y - XINT (bar->dragging); | |
2953 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2954 | |
ab648270 | 2955 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2956 | bar->dragging = Qnil; |
2957 | } | |
f451eb13 | 2958 | |
5116f055 JB |
2959 | /* Same deal here as the other #if 0. */ |
2960 | #if 0 | |
58769bee | 2961 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 2962 | the handle. */ |
ab648270 | 2963 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2964 | emacs_event->x = bar->start; |
2965 | else | |
e0c1aef2 | 2966 | XSETINT (emacs_event->x, y); |
5116f055 | 2967 | #else |
e0c1aef2 | 2968 | XSETINT (emacs_event->x, y); |
5116f055 | 2969 | #endif |
f451eb13 | 2970 | |
e0c1aef2 | 2971 | XSETINT (emacs_event->y, top_range); |
12ba150f JB |
2972 | } |
2973 | } | |
f451eb13 | 2974 | |
ab648270 JB |
2975 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2976 | ||
2977 | This may be called from a signal handler, so we have to ignore GC | |
2978 | mark bits. */ | |
f451eb13 | 2979 | static void |
ab648270 JB |
2980 | x_scroll_bar_note_movement (bar, event) |
2981 | struct scroll_bar *bar; | |
f451eb13 JB |
2982 | XEvent *event; |
2983 | { | |
39d8bb4d KH |
2984 | FRAME_PTR f = XFRAME (XWINDOW (bar->window)->frame); |
2985 | ||
f451eb13 JB |
2986 | last_mouse_movement_time = event->xmotion.time; |
2987 | ||
39d8bb4d | 2988 | f->mouse_moved = 1; |
e0c1aef2 | 2989 | XSETVECTOR (last_mouse_scroll_bar, bar); |
f451eb13 JB |
2990 | |
2991 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2992 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2993 | { |
2994 | /* Where should the handle be now? */ | |
12ba150f | 2995 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2996 | |
12ba150f | 2997 | if (new_start != XINT (bar->start)) |
f451eb13 | 2998 | { |
12ba150f | 2999 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
58769bee | 3000 | |
ab648270 | 3001 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
3002 | } |
3003 | } | |
3004 | ||
3005 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
3006 | moves and we can see *still* on the same position. */ | |
3007 | { | |
3008 | int dummy; | |
847e150a | 3009 | Window dummy_window; |
58769bee | 3010 | |
f451eb13 | 3011 | XQueryPointer (event->xmotion.display, event->xmotion.window, |
847e150a | 3012 | &dummy_window, &dummy_window, |
f451eb13 JB |
3013 | &dummy, &dummy, &dummy, &dummy, |
3014 | (unsigned int *) &dummy); | |
3015 | } | |
3016 | } | |
3017 | ||
12ba150f | 3018 | /* Return information to the user about the current position of the mouse |
ab648270 | 3019 | on the scroll bar. */ |
12ba150f | 3020 | static void |
334208b7 RS |
3021 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
3022 | FRAME_PTR *fp; | |
12ba150f | 3023 | Lisp_Object *bar_window; |
ab648270 | 3024 | enum scroll_bar_part *part; |
12ba150f JB |
3025 | Lisp_Object *x, *y; |
3026 | unsigned long *time; | |
3027 | { | |
ab648270 | 3028 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
334208b7 RS |
3029 | Window w = SCROLL_BAR_X_WINDOW (bar); |
3030 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
12ba150f | 3031 | int win_x, win_y; |
559cb2fb JB |
3032 | Window dummy_window; |
3033 | int dummy_coord; | |
3034 | unsigned int dummy_mask; | |
12ba150f | 3035 | |
cf7cb199 JB |
3036 | BLOCK_INPUT; |
3037 | ||
ab648270 | 3038 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 3039 | report that. */ |
334208b7 | 3040 | if (! XQueryPointer (FRAME_X_DISPLAY (f), w, |
12ba150f | 3041 | |
559cb2fb JB |
3042 | /* Root, child, root x and root y. */ |
3043 | &dummy_window, &dummy_window, | |
3044 | &dummy_coord, &dummy_coord, | |
12ba150f | 3045 | |
559cb2fb JB |
3046 | /* Position relative to scroll bar. */ |
3047 | &win_x, &win_y, | |
12ba150f | 3048 | |
559cb2fb JB |
3049 | /* Mouse buttons and modifier keys. */ |
3050 | &dummy_mask)) | |
7a13e894 | 3051 | ; |
559cb2fb JB |
3052 | else |
3053 | { | |
3054 | int inside_height | |
3055 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
3056 | int top_range | |
3057 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
3058 | ||
3059 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
3060 | ||
3061 | if (! NILP (bar->dragging)) | |
3062 | win_y -= XINT (bar->dragging); | |
3063 | ||
3064 | if (win_y < 0) | |
3065 | win_y = 0; | |
3066 | if (win_y > top_range) | |
3067 | win_y = top_range; | |
3068 | ||
334208b7 | 3069 | *fp = f; |
7a13e894 | 3070 | *bar_window = bar->window; |
559cb2fb JB |
3071 | |
3072 | if (! NILP (bar->dragging)) | |
3073 | *part = scroll_bar_handle; | |
3074 | else if (win_y < XINT (bar->start)) | |
3075 | *part = scroll_bar_above_handle; | |
3076 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3077 | *part = scroll_bar_handle; | |
3078 | else | |
3079 | *part = scroll_bar_below_handle; | |
12ba150f | 3080 | |
e0c1aef2 KH |
3081 | XSETINT (*x, win_y); |
3082 | XSETINT (*y, top_range); | |
12ba150f | 3083 | |
39d8bb4d | 3084 | f->mouse_moved = 0; |
559cb2fb JB |
3085 | last_mouse_scroll_bar = Qnil; |
3086 | } | |
12ba150f | 3087 | |
559cb2fb | 3088 | *time = last_mouse_movement_time; |
cf7cb199 | 3089 | |
cf7cb199 | 3090 | UNBLOCK_INPUT; |
12ba150f JB |
3091 | } |
3092 | ||
f451eb13 | 3093 | |
dbc4e1c1 | 3094 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
3095 | background colors, and the scroll bars may need to be redrawn. |
3096 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
3097 | redraw them. */ |
3098 | ||
ab648270 | 3099 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
3100 | FRAME_PTR f; |
3101 | { | |
3102 | Lisp_Object bar; | |
3103 | ||
9bc4522e | 3104 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); |
ab648270 | 3105 | bar = XSCROLL_BAR (bar)->next) |
334208b7 | 3106 | XClearArea (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), |
dbc4e1c1 JB |
3107 | 0, 0, 0, 0, True); |
3108 | } | |
3109 | ||
3afe33e7 | 3110 | /* This processes Expose events from the menubar specific X event |
19126e11 | 3111 | loop in xmenu.c. This allows to redisplay the frame if necessary |
3afe33e7 RS |
3112 | when handling menubar or popup items. */ |
3113 | ||
3114 | void | |
3115 | process_expose_from_menu (event) | |
3116 | XEvent event; | |
3117 | { | |
3118 | FRAME_PTR f; | |
19126e11 | 3119 | struct x_display_info *dpyinfo; |
3afe33e7 | 3120 | |
f94397b5 KH |
3121 | BLOCK_INPUT; |
3122 | ||
19126e11 KH |
3123 | dpyinfo = x_display_info_for_display (event.xexpose.display); |
3124 | f = x_window_to_frame (dpyinfo, event.xexpose.window); | |
3afe33e7 RS |
3125 | if (f) |
3126 | { | |
3127 | if (f->async_visible == 0) | |
3128 | { | |
3129 | f->async_visible = 1; | |
3130 | f->async_iconified = 0; | |
3131 | SET_FRAME_GARBAGED (f); | |
3132 | } | |
3133 | else | |
3134 | { | |
19126e11 | 3135 | dumprectangle (x_window_to_frame (dpyinfo, event.xexpose.window), |
3afe33e7 RS |
3136 | event.xexpose.x, event.xexpose.y, |
3137 | event.xexpose.width, event.xexpose.height); | |
3138 | } | |
3139 | } | |
3140 | else | |
3141 | { | |
3142 | struct scroll_bar *bar | |
3143 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3144 | |
3afe33e7 RS |
3145 | if (bar) |
3146 | x_scroll_bar_expose (bar, &event); | |
3147 | } | |
f94397b5 KH |
3148 | |
3149 | UNBLOCK_INPUT; | |
3afe33e7 | 3150 | } |
09756a85 RS |
3151 | \f |
3152 | /* Define a queue to save up SelectionRequest events for later handling. */ | |
3153 | ||
3154 | struct selection_event_queue | |
3155 | { | |
3156 | XEvent event; | |
3157 | struct selection_event_queue *next; | |
3158 | }; | |
3159 | ||
3160 | static struct selection_event_queue *queue; | |
3161 | ||
3162 | /* Nonzero means queue up certain events--don't process them yet. */ | |
3163 | static int x_queue_selection_requests; | |
3164 | ||
3165 | /* Queue up an X event *EVENT, to be processed later. */ | |
dbc4e1c1 | 3166 | |
09756a85 | 3167 | static void |
334208b7 RS |
3168 | x_queue_event (f, event) |
3169 | FRAME_PTR f; | |
09756a85 RS |
3170 | XEvent *event; |
3171 | { | |
3172 | struct selection_event_queue *queue_tmp | |
3173 | = (struct selection_event_queue *) malloc (sizeof (struct selection_event_queue)); | |
3174 | ||
58769bee | 3175 | if (queue_tmp != NULL) |
09756a85 RS |
3176 | { |
3177 | queue_tmp->event = *event; | |
3178 | queue_tmp->next = queue; | |
3179 | queue = queue_tmp; | |
3180 | } | |
3181 | } | |
3182 | ||
3183 | /* Take all the queued events and put them back | |
3184 | so that they get processed afresh. */ | |
3185 | ||
3186 | static void | |
db3906fd RS |
3187 | x_unqueue_events (display) |
3188 | Display *display; | |
09756a85 | 3189 | { |
58769bee | 3190 | while (queue != NULL) |
09756a85 RS |
3191 | { |
3192 | struct selection_event_queue *queue_tmp = queue; | |
db3906fd | 3193 | XPutBackEvent (display, &queue_tmp->event); |
09756a85 RS |
3194 | queue = queue_tmp->next; |
3195 | free ((char *)queue_tmp); | |
3196 | } | |
3197 | } | |
3198 | ||
3199 | /* Start queuing SelectionRequest events. */ | |
3200 | ||
3201 | void | |
db3906fd RS |
3202 | x_start_queuing_selection_requests (display) |
3203 | Display *display; | |
09756a85 RS |
3204 | { |
3205 | x_queue_selection_requests++; | |
3206 | } | |
3207 | ||
3208 | /* Stop queuing SelectionRequest events. */ | |
3209 | ||
3210 | void | |
db3906fd RS |
3211 | x_stop_queuing_selection_requests (display) |
3212 | Display *display; | |
09756a85 RS |
3213 | { |
3214 | x_queue_selection_requests--; | |
db3906fd | 3215 | x_unqueue_events (display); |
09756a85 | 3216 | } |
f451eb13 JB |
3217 | \f |
3218 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3219 | |
dc6f92b8 JB |
3220 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3221 | but we have to put it out here, since static variables within functions | |
3222 | sometimes don't work. */ | |
3223 | static Time enter_timestamp; | |
3224 | ||
11edeb03 | 3225 | /* This holds the state XLookupString needs to implement dead keys |
58769bee | 3226 | and other tricks known as "compose processing". _X Window System_ |
11edeb03 JB |
3227 | says that a portable program can't use this, but Stephen Gildea assures |
3228 | me that letting the compiler initialize it to zeros will work okay. | |
3229 | ||
3230 | This must be defined outside of XTread_socket, for the same reasons | |
3231 | given for enter_timestamp, above. */ | |
3232 | static XComposeStatus compose_status; | |
3233 | ||
10e6549c RS |
3234 | /* Record the last 100 characters stored |
3235 | to help debug the loss-of-chars-during-GC problem. */ | |
2224b905 RS |
3236 | static int temp_index; |
3237 | static short temp_buffer[100]; | |
10e6549c | 3238 | |
7a13e894 RS |
3239 | /* Set this to nonzero to fake an "X I/O error" |
3240 | on a particular display. */ | |
3241 | struct x_display_info *XTread_socket_fake_io_error; | |
3242 | ||
2224b905 RS |
3243 | /* When we find no input here, we occasionally do a no-op command |
3244 | to verify that the X server is still running and we can still talk with it. | |
3245 | We try all the open displays, one by one. | |
3246 | This variable is used for cycling thru the displays. */ | |
3247 | static struct x_display_info *next_noop_dpyinfo; | |
3248 | ||
dc6f92b8 JB |
3249 | /* Read events coming from the X server. |
3250 | This routine is called by the SIGIO handler. | |
3251 | We return as soon as there are no more events to be read. | |
3252 | ||
3253 | Events representing keys are stored in buffer BUFP, | |
3254 | which can hold up to NUMCHARS characters. | |
3255 | We return the number of characters stored into the buffer, | |
3256 | thus pretending to be `read'. | |
3257 | ||
3258 | WAITP is nonzero if we should block until input arrives. | |
3259 | EXPECTED is nonzero if the caller knows input is available. */ | |
3260 | ||
7c5283e4 | 3261 | int |
dc6f92b8 JB |
3262 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3263 | register int sd; | |
3264 | register struct input_event *bufp; | |
3265 | register int numchars; | |
3266 | int waitp; | |
3267 | int expected; | |
3268 | { | |
3269 | int count = 0; | |
3270 | int nbytes = 0; | |
3271 | int mask; | |
3272 | int items_pending; /* How many items are in the X queue. */ | |
3273 | XEvent event; | |
f676886a | 3274 | struct frame *f; |
66f55a9d | 3275 | int event_found = 0; |
dc6f92b8 JB |
3276 | int prefix; |
3277 | Lisp_Object part; | |
334208b7 | 3278 | struct x_display_info *dpyinfo; |
6c183ba5 RS |
3279 | #ifdef HAVE_X_I18N |
3280 | Status status_return; | |
3281 | #endif | |
dc6f92b8 | 3282 | |
9ac0d9e0 | 3283 | if (interrupt_input_blocked) |
dc6f92b8 | 3284 | { |
9ac0d9e0 | 3285 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3286 | return -1; |
3287 | } | |
3288 | ||
9ac0d9e0 | 3289 | interrupt_input_pending = 0; |
dc6f92b8 | 3290 | BLOCK_INPUT; |
c0a04927 RS |
3291 | |
3292 | /* So people can tell when we have read the available input. */ | |
3293 | input_signal_count++; | |
3294 | ||
dc6f92b8 JB |
3295 | if (numchars <= 0) |
3296 | abort (); /* Don't think this happens. */ | |
3297 | ||
7a13e894 RS |
3298 | /* Find the display we are supposed to read input for. |
3299 | It's the one communicating on descriptor SD. */ | |
3300 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
3301 | { | |
3302 | #if 0 /* This ought to be unnecessary; let's verify it. */ | |
dc6f92b8 | 3303 | #ifdef FIOSNBIO |
7a13e894 RS |
3304 | /* If available, Xlib uses FIOSNBIO to make the socket |
3305 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
e6cbea31 | 3306 | FIOSNBIO is ignored, and instead of signaling EWOULDBLOCK, |
7a13e894 RS |
3307 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ |
3308 | fcntl (dpyinfo->connection, F_SETFL, 0); | |
c118dd06 | 3309 | #endif /* ! defined (FIOSNBIO) */ |
7a13e894 | 3310 | #endif |
dc6f92b8 | 3311 | |
7a13e894 RS |
3312 | #if 0 /* This code can't be made to work, with multiple displays, |
3313 | and appears not to be used on any system any more. | |
3314 | Also keyboard.c doesn't turn O_NDELAY on and off | |
3315 | for X connections. */ | |
dc6f92b8 JB |
3316 | #ifndef SIGIO |
3317 | #ifndef HAVE_SELECT | |
7a13e894 RS |
3318 | if (! (fcntl (dpyinfo->connection, F_GETFL, 0) & O_NDELAY)) |
3319 | { | |
3320 | extern int read_alarm_should_throw; | |
3321 | read_alarm_should_throw = 1; | |
3322 | XPeekEvent (dpyinfo->display, &event); | |
3323 | read_alarm_should_throw = 0; | |
3324 | } | |
c118dd06 JB |
3325 | #endif /* HAVE_SELECT */ |
3326 | #endif /* SIGIO */ | |
7a13e894 | 3327 | #endif |
dc6f92b8 | 3328 | |
7a13e894 RS |
3329 | /* For debugging, this gives a way to fake an I/O error. */ |
3330 | if (dpyinfo == XTread_socket_fake_io_error) | |
3331 | { | |
3332 | XTread_socket_fake_io_error = 0; | |
3333 | x_io_error_quitter (dpyinfo->display); | |
3334 | } | |
dc6f92b8 | 3335 | |
7a13e894 | 3336 | while (XPending (dpyinfo->display) != 0) |
dc6f92b8 | 3337 | { |
7a13e894 RS |
3338 | XNextEvent (dpyinfo->display, &event); |
3339 | event_found = 1; | |
3340 | ||
3341 | switch (event.type) | |
3342 | { | |
3343 | case ClientMessage: | |
c047688c | 3344 | { |
7a13e894 RS |
3345 | if (event.xclient.message_type |
3346 | == dpyinfo->Xatom_wm_protocols | |
3347 | && event.xclient.format == 32) | |
c047688c | 3348 | { |
7a13e894 RS |
3349 | if (event.xclient.data.l[0] |
3350 | == dpyinfo->Xatom_wm_take_focus) | |
c047688c | 3351 | { |
19126e11 | 3352 | f = x_window_to_frame (dpyinfo, event.xclient.window); |
7a13e894 RS |
3353 | /* Since we set WM_TAKE_FOCUS, we must call |
3354 | XSetInputFocus explicitly. But not if f is null, | |
3355 | since that might be an event for a deleted frame. */ | |
6c183ba5 RS |
3356 | #ifdef HAVE_X_I18N |
3357 | /* Not quite sure this is needed -pd */ | |
3358 | if (f) | |
3359 | XSetICFocus (FRAME_XIC (f)); | |
3360 | #endif | |
7a13e894 RS |
3361 | if (f) |
3362 | XSetInputFocus (event.xclient.display, | |
3363 | event.xclient.window, | |
3364 | RevertToPointerRoot, | |
3365 | event.xclient.data.l[1]); | |
3366 | /* Not certain about handling scroll bars here */ | |
c047688c | 3367 | } |
7a13e894 RS |
3368 | else if (event.xclient.data.l[0] |
3369 | == dpyinfo->Xatom_wm_save_yourself) | |
3370 | { | |
3371 | /* Save state modify the WM_COMMAND property to | |
3372 | something which can reinstate us. This notifies | |
3373 | the session manager, who's looking for such a | |
3374 | PropertyNotify. Can restart processing when | |
3375 | a keyboard or mouse event arrives. */ | |
3376 | if (numchars > 0) | |
3377 | { | |
19126e11 KH |
3378 | f = x_top_window_to_frame (dpyinfo, |
3379 | event.xclient.window); | |
7a13e894 RS |
3380 | |
3381 | /* This is just so we only give real data once | |
3382 | for a single Emacs process. */ | |
3383 | if (f == selected_frame) | |
3384 | XSetCommand (FRAME_X_DISPLAY (f), | |
3385 | event.xclient.window, | |
3386 | initial_argv, initial_argc); | |
3387 | else | |
3388 | XSetCommand (FRAME_X_DISPLAY (f), | |
3389 | event.xclient.window, | |
3390 | 0, 0); | |
3391 | } | |
3392 | } | |
3393 | else if (event.xclient.data.l[0] | |
3394 | == dpyinfo->Xatom_wm_delete_window) | |
1fb20991 | 3395 | { |
19126e11 KH |
3396 | struct frame *f |
3397 | = x_any_window_to_frame (dpyinfo, | |
3398 | event.xclient.window); | |
1fb20991 | 3399 | |
7a13e894 RS |
3400 | if (f) |
3401 | { | |
3402 | if (numchars == 0) | |
3403 | abort (); | |
1fb20991 | 3404 | |
7a13e894 RS |
3405 | bufp->kind = delete_window_event; |
3406 | XSETFRAME (bufp->frame_or_window, f); | |
3407 | bufp++; | |
3408 | ||
3409 | count += 1; | |
3410 | numchars -= 1; | |
3411 | } | |
1fb20991 | 3412 | } |
c047688c | 3413 | } |
7a13e894 RS |
3414 | else if (event.xclient.message_type |
3415 | == dpyinfo->Xatom_wm_configure_denied) | |
3416 | { | |
3417 | } | |
3418 | else if (event.xclient.message_type | |
3419 | == dpyinfo->Xatom_wm_window_moved) | |
3420 | { | |
3421 | int new_x, new_y; | |
19126e11 KH |
3422 | struct frame *f |
3423 | = x_window_to_frame (dpyinfo, event.xclient.window); | |
58769bee | 3424 | |
7a13e894 RS |
3425 | new_x = event.xclient.data.s[0]; |
3426 | new_y = event.xclient.data.s[1]; | |
1fb20991 | 3427 | |
7a13e894 RS |
3428 | if (f) |
3429 | { | |
7556890b RS |
3430 | f->output_data.x->left_pos = new_x; |
3431 | f->output_data.x->top_pos = new_y; | |
7a13e894 | 3432 | } |
1fb20991 | 3433 | } |
0fdff6bb | 3434 | #ifdef HACK_EDITRES |
7a13e894 RS |
3435 | else if (event.xclient.message_type |
3436 | == dpyinfo->Xatom_editres) | |
3437 | { | |
19126e11 KH |
3438 | struct frame *f |
3439 | = x_any_window_to_frame (dpyinfo, event.xclient.window); | |
7556890b | 3440 | _XEditResCheckMessages (f->output_data.x->widget, NULL, |
19126e11 | 3441 | &event, NULL); |
7a13e894 | 3442 | } |
0fdff6bb | 3443 | #endif /* HACK_EDITRES */ |
7a13e894 RS |
3444 | } |
3445 | break; | |
dc6f92b8 | 3446 | |
7a13e894 | 3447 | case SelectionNotify: |
3afe33e7 | 3448 | #ifdef USE_X_TOOLKIT |
19126e11 | 3449 | if (! x_window_to_frame (dpyinfo, event.xselection.requestor)) |
7a13e894 | 3450 | goto OTHER; |
3afe33e7 | 3451 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3452 | x_handle_selection_notify (&event); |
3453 | break; | |
d56a553a | 3454 | |
7a13e894 | 3455 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3456 | #ifdef USE_X_TOOLKIT |
19126e11 | 3457 | if (! x_window_to_frame (dpyinfo, event.xselectionclear.window)) |
7a13e894 | 3458 | goto OTHER; |
3afe33e7 | 3459 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3460 | { |
3461 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
d56a553a | 3462 | |
7a13e894 RS |
3463 | if (numchars == 0) |
3464 | abort (); | |
d56a553a | 3465 | |
7a13e894 RS |
3466 | bufp->kind = selection_clear_event; |
3467 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3468 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3469 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
e6cbea31 | 3470 | bufp->frame_or_window = Qnil; |
7a13e894 | 3471 | bufp++; |
d56a553a | 3472 | |
7a13e894 RS |
3473 | count += 1; |
3474 | numchars -= 1; | |
3475 | } | |
3476 | break; | |
dc6f92b8 | 3477 | |
7a13e894 | 3478 | case SelectionRequest: /* Someone wants our selection. */ |
3afe33e7 | 3479 | #ifdef USE_X_TOOLKIT |
19126e11 | 3480 | if (!x_window_to_frame (dpyinfo, event.xselectionrequest.owner)) |
7a13e894 | 3481 | goto OTHER; |
3afe33e7 | 3482 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3483 | if (x_queue_selection_requests) |
19126e11 | 3484 | x_queue_event (x_window_to_frame (dpyinfo, event.xselectionrequest.owner), |
7a13e894 RS |
3485 | &event); |
3486 | else | |
3487 | { | |
3488 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
dc6f92b8 | 3489 | |
7a13e894 RS |
3490 | if (numchars == 0) |
3491 | abort (); | |
3492 | ||
3493 | bufp->kind = selection_request_event; | |
3494 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3495 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3496 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3497 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3498 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3499 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
e6cbea31 | 3500 | bufp->frame_or_window = Qnil; |
7a13e894 RS |
3501 | bufp++; |
3502 | ||
3503 | count += 1; | |
3504 | numchars -= 1; | |
3505 | } | |
3506 | break; | |
3507 | ||
3508 | case PropertyNotify: | |
3afe33e7 | 3509 | #ifdef USE_X_TOOLKIT |
19126e11 | 3510 | if (!x_any_window_to_frame (dpyinfo, event.xproperty.window)) |
7a13e894 | 3511 | goto OTHER; |
3afe33e7 | 3512 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3513 | x_handle_property_notify (&event); |
3514 | break; | |
dc6f92b8 | 3515 | |
7a13e894 | 3516 | case ReparentNotify: |
19126e11 | 3517 | f = x_top_window_to_frame (dpyinfo, event.xreparent.window); |
7a13e894 RS |
3518 | if (f) |
3519 | { | |
3520 | int x, y; | |
7556890b | 3521 | f->output_data.x->parent_desc = event.xreparent.parent; |
7a13e894 | 3522 | x_real_positions (f, &x, &y); |
7556890b RS |
3523 | f->output_data.x->left_pos = x; |
3524 | f->output_data.x->top_pos = y; | |
7a13e894 RS |
3525 | } |
3526 | break; | |
3bd330d4 | 3527 | |
7a13e894 | 3528 | case Expose: |
19126e11 | 3529 | f = x_window_to_frame (dpyinfo, event.xexpose.window); |
7a13e894 | 3530 | if (f) |
dc6f92b8 | 3531 | { |
7a13e894 RS |
3532 | if (f->async_visible == 0) |
3533 | { | |
3534 | f->async_visible = 1; | |
3535 | f->async_iconified = 0; | |
3536 | SET_FRAME_GARBAGED (f); | |
3537 | } | |
3538 | else | |
19126e11 KH |
3539 | dumprectangle (x_window_to_frame (dpyinfo, |
3540 | event.xexpose.window), | |
7a13e894 RS |
3541 | event.xexpose.x, event.xexpose.y, |
3542 | event.xexpose.width, event.xexpose.height); | |
dc6f92b8 JB |
3543 | } |
3544 | else | |
7a13e894 RS |
3545 | { |
3546 | struct scroll_bar *bar | |
3547 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3548 | |
7a13e894 RS |
3549 | if (bar) |
3550 | x_scroll_bar_expose (bar, &event); | |
3afe33e7 | 3551 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3552 | else |
3553 | goto OTHER; | |
3afe33e7 | 3554 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3555 | } |
3556 | break; | |
dc6f92b8 | 3557 | |
7a13e894 RS |
3558 | case GraphicsExpose: /* This occurs when an XCopyArea's |
3559 | source area was obscured or not | |
3560 | available.*/ | |
19126e11 | 3561 | f = x_window_to_frame (dpyinfo, event.xgraphicsexpose.drawable); |
7a13e894 RS |
3562 | if (f) |
3563 | { | |
3564 | dumprectangle (f, | |
3565 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3566 | event.xgraphicsexpose.width, | |
3567 | event.xgraphicsexpose.height); | |
3568 | } | |
3afe33e7 | 3569 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3570 | else |
3571 | goto OTHER; | |
3afe33e7 | 3572 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3573 | break; |
dc6f92b8 | 3574 | |
7a13e894 RS |
3575 | case NoExpose: /* This occurs when an XCopyArea's |
3576 | source area was completely | |
3577 | available */ | |
3578 | break; | |
dc6f92b8 | 3579 | |
7a13e894 | 3580 | case UnmapNotify: |
91ea2a7a | 3581 | f = x_top_window_to_frame (dpyinfo, event.xunmap.window); |
7a13e894 RS |
3582 | if (f) /* F may no longer exist if |
3583 | the frame was deleted. */ | |
3584 | { | |
3585 | /* While a frame is unmapped, display generation is | |
3586 | disabled; you don't want to spend time updating a | |
3587 | display that won't ever be seen. */ | |
3588 | f->async_visible = 0; | |
3589 | /* We can't distinguish, from the event, whether the window | |
3590 | has become iconified or invisible. So assume, if it | |
3591 | was previously visible, than now it is iconified. | |
3592 | We depend on x_make_frame_invisible to mark it iconified. */ | |
3593 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) | |
3594 | f->async_iconified = 1; | |
bddd097c KH |
3595 | |
3596 | bufp->kind = iconify_event; | |
3597 | XSETFRAME (bufp->frame_or_window, f); | |
3598 | bufp++; | |
3599 | count++; | |
3600 | numchars--; | |
7a13e894 | 3601 | } |
7a13e894 | 3602 | goto OTHER; |
dc6f92b8 | 3603 | |
7a13e894 RS |
3604 | case MapNotify: |
3605 | /* We use x_top_window_to_frame because map events can come | |
3606 | for subwindows and they don't mean that the frame is visible. */ | |
19126e11 | 3607 | f = x_top_window_to_frame (dpyinfo, event.xmap.window); |
7a13e894 RS |
3608 | if (f) |
3609 | { | |
3610 | f->async_visible = 1; | |
3611 | f->async_iconified = 0; | |
dc6f92b8 | 3612 | |
7a13e894 RS |
3613 | /* wait_reading_process_input will notice this and update |
3614 | the frame's display structures. */ | |
3615 | SET_FRAME_GARBAGED (f); | |
bddd097c | 3616 | |
d806e720 RS |
3617 | if (f->iconified) |
3618 | { | |
3619 | bufp->kind = deiconify_event; | |
3620 | XSETFRAME (bufp->frame_or_window, f); | |
3621 | bufp++; | |
3622 | count++; | |
3623 | numchars--; | |
3624 | } | |
8c29f6bf RS |
3625 | else if (! NILP(Vframe_list) |
3626 | && ! NILP (XCONS (Vframe_list)->cdr)) | |
78aa2ba5 KH |
3627 | /* Force a redisplay sooner or later |
3628 | to update the frame titles | |
3629 | in case this is the second frame. */ | |
3630 | record_asynch_buffer_change (); | |
7a13e894 | 3631 | } |
7a13e894 | 3632 | goto OTHER; |
dc6f92b8 | 3633 | |
7a13e894 RS |
3634 | /* Turn off processing if we become fully obscured. */ |
3635 | case VisibilityNotify: | |
3636 | break; | |
dc6f92b8 | 3637 | |
7a13e894 | 3638 | case KeyPress: |
19126e11 | 3639 | f = x_any_window_to_frame (dpyinfo, event.xkey.window); |
f451eb13 | 3640 | |
7a13e894 RS |
3641 | if (f != 0) |
3642 | { | |
3643 | KeySym keysym, orig_keysym; | |
3644 | /* al%imercury@uunet.uu.net says that making this 81 instead of | |
3645 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3646 | unsigned char copy_buffer[81]; | |
3647 | int modifiers; | |
64bb1782 | 3648 | |
7a13e894 RS |
3649 | event.xkey.state |
3650 | |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3651 | extra_keyboard_modifiers); | |
3652 | modifiers = event.xkey.state; | |
3a2712f9 | 3653 | |
7a13e894 | 3654 | /* This will have to go some day... */ |
752a043f | 3655 | |
7a13e894 RS |
3656 | /* make_lispy_event turns chars into control chars. |
3657 | Don't do it here because XLookupString is too eager. */ | |
3658 | event.xkey.state &= ~ControlMask; | |
5d46f928 RS |
3659 | event.xkey.state &= ~(dpyinfo->meta_mod_mask |
3660 | | dpyinfo->super_mod_mask | |
3661 | | dpyinfo->hyper_mod_mask | |
3662 | | dpyinfo->alt_mod_mask); | |
3663 | ||
6c183ba5 RS |
3664 | #ifdef HAVE_X_I18N |
3665 | if (FRAME_XIC (f)) | |
3666 | { | |
3667 | /* The necessity of the following line took me | |
3668 | a full work-day to decipher from the docs!! */ | |
3669 | if (XFilterEvent (&event, None)) | |
3670 | break; | |
3671 | nbytes = XmbLookupString (FRAME_XIC (f), | |
3672 | &event.xkey, copy_buffer, | |
3673 | 80, &keysym, | |
3674 | &status_return); | |
3675 | } | |
3676 | else | |
3677 | nbytes = XLookupString (&event.xkey, copy_buffer, | |
3678 | 80, &keysym, &compose_status); | |
3679 | #else | |
0299d313 RS |
3680 | nbytes = XLookupString (&event.xkey, copy_buffer, |
3681 | 80, &keysym, &compose_status); | |
6c183ba5 | 3682 | #endif |
dc6f92b8 | 3683 | |
7a13e894 | 3684 | orig_keysym = keysym; |
55123275 | 3685 | |
7a13e894 RS |
3686 | if (numchars > 1) |
3687 | { | |
3688 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) | |
3689 | || keysym == XK_Delete | |
3690 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3691 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3692 | #ifdef HPUX |
7a13e894 RS |
3693 | /* This recognizes the "extended function keys". |
3694 | It seems there's no cleaner way. | |
3695 | Test IsModifierKey to avoid handling mode_switch | |
3696 | incorrectly. */ | |
3697 | || ((unsigned) (keysym) >= XK_Select | |
3698 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3699 | #endif |
3700 | #ifdef XK_dead_circumflex | |
7a13e894 | 3701 | || orig_keysym == XK_dead_circumflex |
69388238 RS |
3702 | #endif |
3703 | #ifdef XK_dead_grave | |
7a13e894 | 3704 | || orig_keysym == XK_dead_grave |
69388238 RS |
3705 | #endif |
3706 | #ifdef XK_dead_tilde | |
7a13e894 | 3707 | || orig_keysym == XK_dead_tilde |
69388238 RS |
3708 | #endif |
3709 | #ifdef XK_dead_diaeresis | |
7a13e894 | 3710 | || orig_keysym == XK_dead_diaeresis |
69388238 RS |
3711 | #endif |
3712 | #ifdef XK_dead_macron | |
7a13e894 | 3713 | || orig_keysym == XK_dead_macron |
69388238 RS |
3714 | #endif |
3715 | #ifdef XK_dead_degree | |
7a13e894 | 3716 | || orig_keysym == XK_dead_degree |
69388238 RS |
3717 | #endif |
3718 | #ifdef XK_dead_acute | |
7a13e894 | 3719 | || orig_keysym == XK_dead_acute |
69388238 RS |
3720 | #endif |
3721 | #ifdef XK_dead_cedilla | |
7a13e894 | 3722 | || orig_keysym == XK_dead_cedilla |
69388238 RS |
3723 | #endif |
3724 | #ifdef XK_dead_breve | |
7a13e894 | 3725 | || orig_keysym == XK_dead_breve |
69388238 RS |
3726 | #endif |
3727 | #ifdef XK_dead_ogonek | |
7a13e894 | 3728 | || orig_keysym == XK_dead_ogonek |
69388238 RS |
3729 | #endif |
3730 | #ifdef XK_dead_caron | |
7a13e894 | 3731 | || orig_keysym == XK_dead_caron |
69388238 RS |
3732 | #endif |
3733 | #ifdef XK_dead_doubleacute | |
7a13e894 | 3734 | || orig_keysym == XK_dead_doubleacute |
69388238 RS |
3735 | #endif |
3736 | #ifdef XK_dead_abovedot | |
7a13e894 | 3737 | || orig_keysym == XK_dead_abovedot |
c34790e0 | 3738 | #endif |
7a13e894 RS |
3739 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3740 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
3741 | /* Any "vendor-specific" key is ok. */ | |
3742 | || (orig_keysym & (1 << 28))) | |
3743 | && ! (IsModifierKey (orig_keysym) | |
7719aa06 RS |
3744 | #ifndef HAVE_X11R5 |
3745 | #ifdef XK_Mode_switch | |
7a13e894 | 3746 | || ((unsigned)(orig_keysym) == XK_Mode_switch) |
7719aa06 RS |
3747 | #endif |
3748 | #ifdef XK_Num_Lock | |
7a13e894 | 3749 | || ((unsigned)(orig_keysym) == XK_Num_Lock) |
7719aa06 RS |
3750 | #endif |
3751 | #endif /* not HAVE_X11R5 */ | |
7a13e894 | 3752 | )) |
dc6f92b8 | 3753 | { |
10e6549c RS |
3754 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3755 | temp_index = 0; | |
7a13e894 RS |
3756 | temp_buffer[temp_index++] = keysym; |
3757 | bufp->kind = non_ascii_keystroke; | |
3758 | bufp->code = keysym; | |
e0c1aef2 | 3759 | XSETFRAME (bufp->frame_or_window, f); |
334208b7 RS |
3760 | bufp->modifiers |
3761 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3762 | modifiers); | |
1113d9db | 3763 | bufp->timestamp = event.xkey.time; |
dc6f92b8 | 3764 | bufp++; |
7a13e894 RS |
3765 | count++; |
3766 | numchars--; | |
dc6f92b8 | 3767 | } |
7a13e894 RS |
3768 | else if (numchars > nbytes) |
3769 | { | |
3770 | register int i; | |
3771 | ||
3772 | for (i = 0; i < nbytes; i++) | |
3773 | { | |
3774 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
3775 | temp_index = 0; | |
3776 | temp_buffer[temp_index++] = copy_buffer[i]; | |
3777 | bufp->kind = ascii_keystroke; | |
3778 | bufp->code = copy_buffer[i]; | |
3779 | XSETFRAME (bufp->frame_or_window, f); | |
3780 | bufp->modifiers | |
3781 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3782 | modifiers); | |
3783 | bufp->timestamp = event.xkey.time; | |
3784 | bufp++; | |
3785 | } | |
3786 | ||
3787 | count += nbytes; | |
3788 | numchars -= nbytes; | |
3789 | } | |
3790 | else | |
3791 | abort (); | |
dc6f92b8 | 3792 | } |
10e6549c RS |
3793 | else |
3794 | abort (); | |
dc6f92b8 | 3795 | } |
717ca130 | 3796 | goto OTHER; |
f451eb13 | 3797 | |
7a13e894 RS |
3798 | /* Here's a possible interpretation of the whole |
3799 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3800 | FocusIn event, you have to get a FocusOut event before you | |
3801 | relinquish the focus. If you haven't received a FocusIn event, | |
3802 | then a mere LeaveNotify is enough to free you. */ | |
f451eb13 | 3803 | |
7a13e894 | 3804 | case EnterNotify: |
19126e11 | 3805 | f = x_any_window_to_frame (dpyinfo, event.xcrossing.window); |
6d4238f3 | 3806 | |
7a13e894 | 3807 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3808 | { |
7a13e894 RS |
3809 | /* Avoid nasty pop/raise loops. */ |
3810 | if (f && (!(f->auto_raise) | |
3811 | || !(f->auto_lower) | |
3812 | || (event.xcrossing.time - enter_timestamp) > 500)) | |
3813 | { | |
0f941935 | 3814 | x_new_focus_frame (dpyinfo, f); |
7a13e894 RS |
3815 | enter_timestamp = event.xcrossing.time; |
3816 | } | |
dc6f92b8 | 3817 | } |
0f941935 KH |
3818 | else if (f == dpyinfo->x_focus_frame) |
3819 | x_new_focus_frame (dpyinfo, 0); | |
7a13e894 RS |
3820 | /* EnterNotify counts as mouse movement, |
3821 | so update things that depend on mouse position. */ | |
3822 | if (f) | |
3823 | note_mouse_movement (f, &event.xmotion); | |
7a13e894 | 3824 | goto OTHER; |
dc6f92b8 | 3825 | |
7a13e894 | 3826 | case FocusIn: |
19126e11 | 3827 | f = x_any_window_to_frame (dpyinfo, event.xfocus.window); |
7a13e894 | 3828 | if (event.xfocus.detail != NotifyPointer) |
0f941935 | 3829 | dpyinfo->x_focus_event_frame = f; |
7a13e894 | 3830 | if (f) |
0f941935 | 3831 | x_new_focus_frame (dpyinfo, f); |
f9e24cb9 | 3832 | |
6c183ba5 RS |
3833 | #ifdef HAVE_X_I18N |
3834 | if (f && FRAME_XIC (f)) | |
3835 | XSetICFocus (FRAME_XIC (f)); | |
3836 | #endif | |
3837 | ||
7a13e894 | 3838 | goto OTHER; |
10c5e63d | 3839 | |
7a13e894 | 3840 | case LeaveNotify: |
19126e11 | 3841 | f = x_top_window_to_frame (dpyinfo, event.xcrossing.window); |
7a13e894 | 3842 | if (f) |
10c5e63d | 3843 | { |
7a13e894 RS |
3844 | if (f == dpyinfo->mouse_face_mouse_frame) |
3845 | /* If we move outside the frame, | |
3846 | then we're certainly no longer on any text in the frame. */ | |
3847 | clear_mouse_face (dpyinfo); | |
3848 | ||
3849 | if (event.xcrossing.focus) | |
0f941935 | 3850 | x_mouse_leave (dpyinfo); |
10c5e63d | 3851 | else |
7a13e894 | 3852 | { |
0f941935 KH |
3853 | if (f == dpyinfo->x_focus_event_frame) |
3854 | dpyinfo->x_focus_event_frame = 0; | |
3855 | if (f == dpyinfo->x_focus_frame) | |
3856 | x_new_focus_frame (dpyinfo, 0); | |
7a13e894 | 3857 | } |
10c5e63d | 3858 | } |
7a13e894 | 3859 | goto OTHER; |
dc6f92b8 | 3860 | |
7a13e894 | 3861 | case FocusOut: |
19126e11 | 3862 | f = x_any_window_to_frame (dpyinfo, event.xfocus.window); |
7a13e894 | 3863 | if (event.xfocus.detail != NotifyPointer |
0f941935 KH |
3864 | && f == dpyinfo->x_focus_event_frame) |
3865 | dpyinfo->x_focus_event_frame = 0; | |
3866 | if (f && f == dpyinfo->x_focus_frame) | |
3867 | x_new_focus_frame (dpyinfo, 0); | |
f9e24cb9 | 3868 | |
6c183ba5 RS |
3869 | #ifdef HAVE_X_I18N |
3870 | if (f && FRAME_XIC (f)) | |
3871 | XUnsetICFocus (FRAME_XIC (f)); | |
3872 | #endif | |
3873 | ||
7a13e894 | 3874 | goto OTHER; |
dc6f92b8 | 3875 | |
7a13e894 | 3876 | case MotionNotify: |
dc6f92b8 | 3877 | { |
7a13e894 RS |
3878 | if (dpyinfo->grabbed && last_mouse_frame |
3879 | && FRAME_LIVE_P (last_mouse_frame)) | |
3880 | f = last_mouse_frame; | |
3881 | else | |
19126e11 | 3882 | f = x_window_to_frame (dpyinfo, event.xmotion.window); |
7a13e894 RS |
3883 | if (f) |
3884 | note_mouse_movement (f, &event.xmotion); | |
3885 | else | |
3886 | { | |
3887 | struct scroll_bar *bar | |
3888 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 | 3889 | |
7a13e894 RS |
3890 | if (bar) |
3891 | x_scroll_bar_note_movement (bar, &event); | |
b8009dd1 | 3892 | |
7a13e894 RS |
3893 | /* If we move outside the frame, |
3894 | then we're certainly no longer on any text in the frame. */ | |
3895 | clear_mouse_face (dpyinfo); | |
3896 | } | |
dc6f92b8 | 3897 | } |
7a13e894 | 3898 | goto OTHER; |
dc6f92b8 | 3899 | |
7a13e894 | 3900 | case ConfigureNotify: |
19126e11 | 3901 | f = x_any_window_to_frame (dpyinfo, event.xconfigure.window); |
7a13e894 | 3902 | if (f |
2d7fc7e8 | 3903 | #ifdef USE_X_TOOLKIT |
7556890b | 3904 | && (event.xconfigure.window == XtWindow (f->output_data.x->widget)) |
3a35ab44 | 3905 | #endif |
2d7fc7e8 | 3906 | ) |
af395ec1 | 3907 | { |
2d7fc7e8 RS |
3908 | #ifndef USE_X_TOOLKIT |
3909 | /* In the toolkit version, change_frame_size | |
3910 | is called by the code that handles resizing | |
3911 | of the EmacsFrame widget. */ | |
7a13e894 | 3912 | |
7a13e894 RS |
3913 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); |
3914 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3915 | ||
3916 | /* Even if the number of character rows and columns has | |
3917 | not changed, the font size may have changed, so we need | |
3918 | to check the pixel dimensions as well. */ | |
3919 | if (columns != f->width | |
3920 | || rows != f->height | |
7556890b RS |
3921 | || event.xconfigure.width != f->output_data.x->pixel_width |
3922 | || event.xconfigure.height != f->output_data.x->pixel_height) | |
7a13e894 RS |
3923 | { |
3924 | change_frame_size (f, rows, columns, 0, 1); | |
3925 | SET_FRAME_GARBAGED (f); | |
3926 | } | |
2d7fc7e8 | 3927 | #endif |
af395ec1 | 3928 | |
2d7fc7e8 RS |
3929 | /* Formerly, in the USE_X_TOOLKIT version, |
3930 | we did not test send_event here. */ | |
3931 | if (1 | |
3932 | #ifndef USE_X_TOOLKIT | |
3933 | && ! event.xconfigure.send_event | |
3934 | #endif | |
3935 | ) | |
7a13e894 RS |
3936 | { |
3937 | Window win, child; | |
3938 | int win_x, win_y; | |
3939 | ||
3940 | /* Find the position of the outside upper-left corner of | |
3941 | the window, in the root coordinate system. Don't | |
3942 | refer to the parent window here; we may be processing | |
3943 | this event after the window manager has changed our | |
3944 | parent, but before we have reached the ReparentNotify. */ | |
3945 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
3946 | ||
3947 | /* From-window, to-window. */ | |
2d7fc7e8 | 3948 | event.xconfigure.window, |
7a13e894 RS |
3949 | FRAME_X_DISPLAY_INFO (f)->root_window, |
3950 | ||
3951 | /* From-position, to-position. */ | |
3952 | -event.xconfigure.border_width, | |
3953 | -event.xconfigure.border_width, | |
3954 | &win_x, &win_y, | |
3955 | ||
3956 | /* Child of win. */ | |
3957 | &child); | |
3958 | event.xconfigure.x = win_x; | |
3959 | event.xconfigure.y = win_y; | |
3960 | } | |
3a35ab44 | 3961 | |
7556890b RS |
3962 | f->output_data.x->pixel_width = event.xconfigure.width; |
3963 | f->output_data.x->pixel_height = event.xconfigure.height; | |
3964 | f->output_data.x->left_pos = event.xconfigure.x; | |
3965 | f->output_data.x->top_pos = event.xconfigure.y; | |
7a13e894 RS |
3966 | |
3967 | /* What we have now is the position of Emacs's own window. | |
3968 | Convert that to the position of the window manager window. */ | |
fd13dbb2 | 3969 | { |
7a13e894 RS |
3970 | int x, y; |
3971 | x_real_positions (f, &x, &y); | |
7556890b RS |
3972 | f->output_data.x->left_pos = x; |
3973 | f->output_data.x->top_pos = y; | |
2d7fc7e8 RS |
3974 | /* Formerly we did not do this in the USE_X_TOOLKIT |
3975 | version. Let's try making them the same. */ | |
3976 | /* #ifndef USE_X_TOOLKIT */ | |
7a13e894 RS |
3977 | if (y != event.xconfigure.y) |
3978 | { | |
3979 | /* Since the WM decorations come below top_pos now, | |
3980 | we must put them below top_pos in the future. */ | |
7556890b | 3981 | f->output_data.x->win_gravity = NorthWestGravity; |
c32cdd9a | 3982 | x_wm_set_size_hint (f, (long) 0, 0); |
7a13e894 | 3983 | } |
2d7fc7e8 | 3984 | /* #endif */ |
fd13dbb2 | 3985 | } |
7a13e894 | 3986 | } |
2d7fc7e8 | 3987 | goto OTHER; |
dc6f92b8 | 3988 | |
7a13e894 RS |
3989 | case ButtonPress: |
3990 | case ButtonRelease: | |
3991 | { | |
3992 | /* If we decide we want to generate an event to be seen | |
3993 | by the rest of Emacs, we put it here. */ | |
3994 | struct input_event emacs_event; | |
3995 | emacs_event.kind = no_event; | |
dc6f92b8 | 3996 | |
7a13e894 | 3997 | bzero (&compose_status, sizeof (compose_status)); |
9b07615b | 3998 | |
9f67f20b RS |
3999 | if (dpyinfo->grabbed && last_mouse_frame |
4000 | && FRAME_LIVE_P (last_mouse_frame)) | |
4001 | f = last_mouse_frame; | |
4002 | else | |
2224b905 | 4003 | f = x_window_to_frame (dpyinfo, event.xbutton.window); |
9f67f20b | 4004 | |
7a13e894 RS |
4005 | if (f) |
4006 | { | |
0f941935 | 4007 | if (!dpyinfo->x_focus_frame || f == dpyinfo->x_focus_frame) |
7a13e894 RS |
4008 | construct_mouse_click (&emacs_event, &event, f); |
4009 | } | |
4010 | else | |
4011 | { | |
4012 | struct scroll_bar *bar | |
4013 | = x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 | 4014 | |
7a13e894 RS |
4015 | if (bar) |
4016 | x_scroll_bar_handle_click (bar, &event, &emacs_event); | |
7a13e894 RS |
4017 | } |
4018 | ||
4019 | if (event.type == ButtonPress) | |
4020 | { | |
4021 | dpyinfo->grabbed |= (1 << event.xbutton.button); | |
4022 | last_mouse_frame = f; | |
4023 | } | |
3afe33e7 RS |
4024 | else |
4025 | { | |
7a13e894 | 4026 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); |
3afe33e7 | 4027 | } |
23faf38f | 4028 | |
7a13e894 RS |
4029 | if (numchars >= 1 && emacs_event.kind != no_event) |
4030 | { | |
4031 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
4032 | bufp++; | |
4033 | count++; | |
4034 | numchars--; | |
4035 | } | |
3afe33e7 RS |
4036 | |
4037 | #ifdef USE_X_TOOLKIT | |
2224b905 RS |
4038 | f = x_menubar_window_to_frame (dpyinfo, event.xbutton.window); |
4039 | /* For a down-event in the menu bar, | |
4040 | don't pass it to Xt right now. | |
4041 | Instead, save it away | |
4042 | and we will pass it to Xt from kbd_buffer_get_event. | |
4043 | That way, we can run some Lisp code first. */ | |
91375f8f RS |
4044 | if (f && event.type == ButtonPress |
4045 | /* Verify the event is really within the menu bar | |
4046 | and not just sent to it due to grabbing. */ | |
4047 | && event.xbutton.x >= 0 | |
4048 | && event.xbutton.x < f->output_data.x->pixel_width | |
4049 | && event.xbutton.y >= 0 | |
4050 | && event.xbutton.y < f->output_data.x->menubar_height | |
4051 | && event.xbutton.same_screen) | |
2224b905 | 4052 | { |
7556890b RS |
4053 | if (f->output_data.x->saved_button_event == 0) |
4054 | f->output_data.x->saved_button_event | |
2224b905 | 4055 | = (XButtonEvent *) xmalloc (sizeof (XButtonEvent)); |
7556890b | 4056 | bcopy (&event, f->output_data.x->saved_button_event, |
2224b905 RS |
4057 | sizeof (XButtonEvent)); |
4058 | if (numchars >= 1) | |
4059 | { | |
4060 | bufp->kind = menu_bar_activate_event; | |
4061 | XSETFRAME (bufp->frame_or_window, f); | |
4062 | bufp++; | |
4063 | count++; | |
4064 | numchars--; | |
4065 | } | |
4066 | } | |
4067 | else | |
4068 | goto OTHER; | |
3afe33e7 | 4069 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
4070 | } |
4071 | break; | |
dc6f92b8 | 4072 | |
7a13e894 RS |
4073 | case CirculateNotify: |
4074 | break; | |
4075 | case CirculateRequest: | |
4076 | break; | |
dc6f92b8 | 4077 | |
7a13e894 RS |
4078 | case MappingNotify: |
4079 | /* Someone has changed the keyboard mapping - update the | |
4080 | local cache. */ | |
4081 | switch (event.xmapping.request) | |
4082 | { | |
4083 | case MappingModifier: | |
4084 | x_find_modifier_meanings (dpyinfo); | |
4085 | /* This is meant to fall through. */ | |
4086 | case MappingKeyboard: | |
4087 | XRefreshKeyboardMapping (&event.xmapping); | |
4088 | } | |
7a13e894 | 4089 | goto OTHER; |
dc6f92b8 | 4090 | |
7a13e894 | 4091 | default: |
7a13e894 | 4092 | OTHER: |
717ca130 | 4093 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
4094 | BLOCK_INPUT; |
4095 | XtDispatchEvent (&event); | |
4096 | UNBLOCK_INPUT; | |
3afe33e7 | 4097 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
4098 | break; |
4099 | } | |
dc6f92b8 JB |
4100 | } |
4101 | } | |
4102 | ||
9a5196d0 RS |
4103 | /* On some systems, an X bug causes Emacs to get no more events |
4104 | when the window is destroyed. Detect that. (1994.) */ | |
58769bee | 4105 | if (! event_found) |
ef2a22d0 | 4106 | { |
ef2a22d0 RS |
4107 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. |
4108 | One XNOOP in 100 loops will make Emacs terminate. | |
4109 | B. Bretthauer, 1994 */ | |
4110 | x_noop_count++; | |
58769bee | 4111 | if (x_noop_count >= 100) |
ef2a22d0 RS |
4112 | { |
4113 | x_noop_count=0; | |
2224b905 RS |
4114 | |
4115 | if (next_noop_dpyinfo == 0) | |
4116 | next_noop_dpyinfo = x_display_list; | |
4117 | ||
4118 | XNoOp (next_noop_dpyinfo->display); | |
4119 | ||
4120 | /* Each time we get here, cycle through the displays now open. */ | |
4121 | next_noop_dpyinfo = next_noop_dpyinfo->next; | |
ef2a22d0 RS |
4122 | } |
4123 | } | |
502add23 | 4124 | |
0134a210 RS |
4125 | /* If the focus was just given to an autoraising frame, |
4126 | raise it now. */ | |
7a13e894 | 4127 | /* ??? This ought to be able to handle more than one such frame. */ |
0134a210 RS |
4128 | if (pending_autoraise_frame) |
4129 | { | |
4130 | x_raise_frame (pending_autoraise_frame); | |
4131 | pending_autoraise_frame = 0; | |
4132 | } | |
0134a210 | 4133 | |
dc6f92b8 JB |
4134 | UNBLOCK_INPUT; |
4135 | return count; | |
4136 | } | |
dc6f92b8 | 4137 | \f |
f451eb13 JB |
4138 | /* Drawing the cursor. */ |
4139 | ||
4140 | ||
39d8bb4d KH |
4141 | /* Draw a hollow box cursor on frame F at X, Y. |
4142 | Don't change the inside of the box. */ | |
dc6f92b8 JB |
4143 | |
4144 | static void | |
39d8bb4d | 4145 | x_draw_box (f, x, y) |
f676886a | 4146 | struct frame *f; |
39d8bb4d | 4147 | int x, y; |
dc6f92b8 | 4148 | { |
39d8bb4d KH |
4149 | int left = CHAR_TO_PIXEL_COL (f, x); |
4150 | int top = CHAR_TO_PIXEL_ROW (f, y); | |
7556890b RS |
4151 | int width = FONT_WIDTH (f->output_data.x->font); |
4152 | int height = f->output_data.x->line_height; | |
dc6f92b8 | 4153 | |
334208b7 | 4154 | XDrawRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 4155 | f->output_data.x->cursor_gc, |
dc6f92b8 | 4156 | left, top, width - 1, height - 1); |
dc6f92b8 JB |
4157 | } |
4158 | ||
f676886a | 4159 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4160 | and mark the cursor as not shown. |
4161 | This is used when the text where the cursor is | |
4162 | is about to be rewritten. */ | |
4163 | ||
4164 | static void | |
f676886a JB |
4165 | clear_cursor (f) |
4166 | struct frame *f; | |
dc6f92b8 JB |
4167 | { |
4168 | int mask; | |
4169 | ||
f451eb13 | 4170 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4171 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4172 | return; |
4173 | ||
f676886a | 4174 | x_display_cursor (f, 0); |
f676886a | 4175 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4176 | } |
4177 | ||
f676886a | 4178 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4179 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4180 | glyph drawn. */ | |
dc6f92b8 JB |
4181 | |
4182 | static void | |
f676886a JB |
4183 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4184 | struct frame *f; | |
dc6f92b8 | 4185 | int row, column; |
90e65f07 | 4186 | GLYPH glyph; |
dc6f92b8 JB |
4187 | int highlight; |
4188 | { | |
f676886a | 4189 | dumpglyphs (f, |
12ba150f JB |
4190 | CHAR_TO_PIXEL_COL (f, column), |
4191 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4192 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4193 | } |
4194 | ||
dc6f92b8 | 4195 | static void |
39d8bb4d | 4196 | x_display_bar_cursor (f, on, x, y) |
f676886a | 4197 | struct frame *f; |
dc6f92b8 | 4198 | int on; |
39d8bb4d | 4199 | int x, y; |
dc6f92b8 | 4200 | { |
f676886a | 4201 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4202 | |
49d838ea JB |
4203 | /* This is pointless on invisible frames, and dangerous on garbaged |
4204 | frames; in the latter case, the frame may be in the midst of | |
39d8bb4d | 4205 | changing its size, and x and y may be off the frame. */ |
49d838ea | 4206 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) |
dbc4e1c1 JB |
4207 | return; |
4208 | ||
4209 | if (! on && f->phys_cursor_x < 0) | |
4210 | return; | |
4211 | ||
dbc4e1c1 JB |
4212 | /* If there is anything wrong with the current cursor state, remove it. */ |
4213 | if (f->phys_cursor_x >= 0 | |
4214 | && (!on | |
39d8bb4d KH |
4215 | || f->phys_cursor_x != x |
4216 | || f->phys_cursor_y != y | |
7556890b | 4217 | || f->output_data.x->current_cursor != bar_cursor)) |
dbc4e1c1 JB |
4218 | { |
4219 | /* Erase the cursor by redrawing the character underneath it. */ | |
4220 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4221 | f->phys_cursor_glyph, | |
4222 | current_glyphs->highlight[f->phys_cursor_y]); | |
4223 | f->phys_cursor_x = -1; | |
4224 | } | |
4225 | ||
4226 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4227 | if (on | |
4228 | && (f->phys_cursor_x < 0 | |
7556890b | 4229 | || (f->output_data.x->current_cursor != bar_cursor))) |
dbc4e1c1 JB |
4230 | { |
4231 | f->phys_cursor_glyph | |
39d8bb4d KH |
4232 | = ((current_glyphs->enable[y] |
4233 | && x < current_glyphs->used[y]) | |
4234 | ? current_glyphs->glyphs[y][x] | |
dbc4e1c1 | 4235 | : SPACEGLYPH); |
334208b7 | 4236 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 4237 | f->output_data.x->cursor_gc, |
39d8bb4d KH |
4238 | CHAR_TO_PIXEL_COL (f, x), |
4239 | CHAR_TO_PIXEL_ROW (f, y), | |
7556890b RS |
4240 | max (f->output_data.x->cursor_width, 1), |
4241 | f->output_data.x->line_height); | |
dbc4e1c1 | 4242 | |
39d8bb4d KH |
4243 | f->phys_cursor_x = x; |
4244 | f->phys_cursor_y = y; | |
dbc4e1c1 | 4245 | |
7556890b | 4246 | f->output_data.x->current_cursor = bar_cursor; |
dbc4e1c1 JB |
4247 | } |
4248 | ||
4249 | if (updating_frame != f) | |
334208b7 | 4250 | XFlush (FRAME_X_DISPLAY (f)); |
dbc4e1c1 JB |
4251 | } |
4252 | ||
4253 | ||
4254 | /* Turn the displayed cursor of frame F on or off according to ON. | |
39d8bb4d | 4255 | If ON is nonzero, where to put the cursor is specified by X and Y. */ |
dbc4e1c1 JB |
4256 | |
4257 | static void | |
39d8bb4d | 4258 | x_display_box_cursor (f, on, x, y) |
dbc4e1c1 JB |
4259 | struct frame *f; |
4260 | int on; | |
39d8bb4d | 4261 | int x, y; |
dbc4e1c1 JB |
4262 | { |
4263 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4264 | ||
49d838ea JB |
4265 | /* This is pointless on invisible frames, and dangerous on garbaged |
4266 | frames; in the latter case, the frame may be in the midst of | |
39d8bb4d | 4267 | changing its size, and x and y may be off the frame. */ |
49d838ea | 4268 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
4269 | return; |
4270 | ||
4271 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4272 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4273 | return; |
4274 | ||
4275 | /* If cursor is currently being shown and we don't want it to be | |
4276 | or it is in the wrong place, | |
4277 | or we want a hollow box and it's not so, (pout!) | |
4278 | erase it. */ | |
f676886a | 4279 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4280 | && (!on |
39d8bb4d KH |
4281 | || f->phys_cursor_x != x |
4282 | || f->phys_cursor_y != y | |
7556890b | 4283 | || (f->output_data.x->current_cursor != hollow_box_cursor |
0f941935 | 4284 | && (f != FRAME_X_DISPLAY_INFO (f)->x_highlight_frame)))) |
dc6f92b8 | 4285 | { |
79cf7456 | 4286 | int mouse_face_here = 0; |
9f67f20b | 4287 | struct frame_glyphs *active_glyphs = FRAME_CURRENT_GLYPHS (f); |
79cf7456 RS |
4288 | |
4289 | /* If the cursor is in the mouse face area, redisplay that when | |
4290 | we clear the cursor. */ | |
7a13e894 | 4291 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame |
79cf7456 | 4292 | && |
7a13e894 RS |
4293 | (f->phys_cursor_y > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
4294 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
4295 | && f->phys_cursor_x >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col)) | |
79cf7456 | 4296 | && |
7a13e894 RS |
4297 | (f->phys_cursor_y < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row |
4298 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
9f67f20b RS |
4299 | && f->phys_cursor_x < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col)) |
4300 | /* Don't redraw the cursor's spot in mouse face | |
4301 | if it is at the end of a line (on a newline). | |
4302 | The cursor appears there, but mouse highlighting does not. */ | |
4303 | && active_glyphs->used[f->phys_cursor_y] > f->phys_cursor_x) | |
79cf7456 RS |
4304 | mouse_face_here = 1; |
4305 | ||
0cdd0c9f RS |
4306 | /* If the font is not as tall as a whole line, |
4307 | we must explicitly clear the line's whole height. */ | |
7556890b | 4308 | if (FONT_HEIGHT (f->output_data.x->font) != f->output_data.x->line_height) |
334208b7 | 4309 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
4310 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4311 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
7556890b RS |
4312 | FONT_WIDTH (f->output_data.x->font), |
4313 | f->output_data.x->line_height, False); | |
dc6f92b8 | 4314 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4315 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4316 | f->phys_cursor_glyph, | |
79cf7456 RS |
4317 | (mouse_face_here |
4318 | ? 3 | |
4319 | : current_glyphs->highlight[f->phys_cursor_y])); | |
f676886a | 4320 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4321 | } |
4322 | ||
4323 | /* If we want to show a cursor, | |
4324 | or we want a box cursor and it's not so, | |
4325 | write it in the right place. */ | |
4326 | if (on | |
f676886a | 4327 | && (f->phys_cursor_x < 0 |
7556890b | 4328 | || (f->output_data.x->current_cursor != filled_box_cursor |
0f941935 | 4329 | && f == FRAME_X_DISPLAY_INFO (f)->x_highlight_frame))) |
dc6f92b8 | 4330 | { |
f676886a | 4331 | f->phys_cursor_glyph |
39d8bb4d KH |
4332 | = ((current_glyphs->enable[y] |
4333 | && x < current_glyphs->used[y]) | |
4334 | ? current_glyphs->glyphs[y][x] | |
90e65f07 | 4335 | : SPACEGLYPH); |
0f941935 | 4336 | if (f != FRAME_X_DISPLAY_INFO (f)->x_highlight_frame) |
dc6f92b8 | 4337 | { |
39d8bb4d | 4338 | x_draw_box (f, x, y); |
7556890b | 4339 | f->output_data.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4340 | } |
4341 | else | |
4342 | { | |
39d8bb4d | 4343 | x_draw_single_glyph (f, y, x, |
f676886a | 4344 | f->phys_cursor_glyph, 2); |
7556890b | 4345 | f->output_data.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4346 | } |
4347 | ||
39d8bb4d KH |
4348 | f->phys_cursor_x = x; |
4349 | f->phys_cursor_y = y; | |
dc6f92b8 JB |
4350 | } |
4351 | ||
f676886a | 4352 | if (updating_frame != f) |
334208b7 | 4353 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4354 | } |
4355 | ||
5d46f928 RS |
4356 | /* Display the cursor on frame F, or clear it, according to ON. |
4357 | Use the position specified by curs_x and curs_y | |
4358 | if we are doing an update of frame F now. | |
4359 | Otherwise use the position in the FRAME_CURSOR_X and FRAME_CURSOR_Y fields | |
4360 | of F. */ | |
4361 | ||
f676886a JB |
4362 | x_display_cursor (f, on) |
4363 | struct frame *f; | |
dc6f92b8 JB |
4364 | int on; |
4365 | { | |
f94397b5 KH |
4366 | BLOCK_INPUT; |
4367 | ||
5d46f928 RS |
4368 | /* If we're not updating, then don't change the physical cursor |
4369 | position. Just change (if appropriate) the style of display. */ | |
4370 | if (f != updating_frame) | |
4371 | { | |
4372 | curs_x = FRAME_CURSOR_X (f); | |
4373 | curs_y = FRAME_CURSOR_Y (f); | |
4374 | } | |
4375 | ||
4376 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) | |
39d8bb4d | 4377 | x_display_box_cursor (f, on, curs_x, curs_y); |
5d46f928 | 4378 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
39d8bb4d | 4379 | x_display_bar_cursor (f, on, curs_x, curs_y); |
5d46f928 RS |
4380 | else |
4381 | /* Those are the only two we have implemented! */ | |
4382 | abort (); | |
4383 | ||
4384 | UNBLOCK_INPUT; | |
4385 | } | |
4386 | ||
4387 | /* Display the cursor on frame F, or clear it, according to ON. | |
4388 | Don't change the cursor's position. */ | |
4389 | ||
4390 | x_update_cursor (f, on) | |
4391 | struct frame *f; | |
4392 | int on; | |
4393 | { | |
aee9a898 RS |
4394 | /* If we don't have any previous cursor position to use, |
4395 | leave the cursor off. */ | |
4396 | if (f->phys_cursor_x < 0) | |
4397 | return; | |
4398 | ||
5d46f928 RS |
4399 | BLOCK_INPUT; |
4400 | ||
dbc4e1c1 | 4401 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
39d8bb4d | 4402 | x_display_box_cursor (f, on, f->phys_cursor_x, f->phys_cursor_y); |
dbc4e1c1 | 4403 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
39d8bb4d | 4404 | x_display_bar_cursor (f, on, f->phys_cursor_x, f->phys_cursor_y); |
dbc4e1c1 JB |
4405 | else |
4406 | /* Those are the only two we have implemented! */ | |
4407 | abort (); | |
f94397b5 KH |
4408 | |
4409 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4410 | } |
4411 | \f | |
4412 | /* Icons. */ | |
4413 | ||
f676886a | 4414 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4415 | when we get an expose event for it. */ |
4416 | ||
f676886a JB |
4417 | refreshicon (f) |
4418 | struct frame *f; | |
dc6f92b8 | 4419 | { |
dc6f92b8 | 4420 | /* Normally, the window manager handles this function. */ |
dc6f92b8 JB |
4421 | } |
4422 | ||
dbc4e1c1 | 4423 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4424 | |
4425 | int | |
990ba854 | 4426 | x_bitmap_icon (f, file) |
f676886a | 4427 | struct frame *f; |
990ba854 | 4428 | Lisp_Object file; |
dc6f92b8 | 4429 | { |
7f2ae036 | 4430 | int mask, bitmap_id; |
dc6f92b8 JB |
4431 | Window icon_window; |
4432 | ||
c118dd06 | 4433 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4434 | return 1; |
4435 | ||
990ba854 | 4436 | /* Free up our existing icon bitmap if any. */ |
7556890b RS |
4437 | if (f->output_data.x->icon_bitmap > 0) |
4438 | x_destroy_bitmap (f, f->output_data.x->icon_bitmap); | |
4439 | f->output_data.x->icon_bitmap = 0; | |
990ba854 RS |
4440 | |
4441 | if (STRINGP (file)) | |
7f2ae036 RS |
4442 | bitmap_id = x_create_bitmap_from_file (f, file); |
4443 | else | |
4444 | { | |
990ba854 | 4445 | /* Create the GNU bitmap if necessary. */ |
5bf01b68 | 4446 | if (FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id < 0) |
334208b7 RS |
4447 | FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id |
4448 | = x_create_bitmap_from_data (f, gnu_bits, | |
4449 | gnu_width, gnu_height); | |
990ba854 RS |
4450 | |
4451 | /* The first time we create the GNU bitmap, | |
4452 | this increments the refcount one extra time. | |
4453 | As a result, the GNU bitmap is never freed. | |
4454 | That way, we don't have to worry about allocating it again. */ | |
334208b7 | 4455 | x_reference_bitmap (f, FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id); |
990ba854 | 4456 | |
334208b7 | 4457 | bitmap_id = FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id; |
7f2ae036 RS |
4458 | } |
4459 | ||
4460 | x_wm_set_icon_pixmap (f, bitmap_id); | |
7556890b | 4461 | f->output_data.x->icon_bitmap = bitmap_id; |
dc6f92b8 JB |
4462 | |
4463 | return 0; | |
4464 | } | |
4465 | ||
4466 | ||
1be2d067 KH |
4467 | /* Make the x-window of frame F use a rectangle with text. |
4468 | Use ICON_NAME as the text. */ | |
dc6f92b8 JB |
4469 | |
4470 | int | |
f676886a JB |
4471 | x_text_icon (f, icon_name) |
4472 | struct frame *f; | |
dc6f92b8 JB |
4473 | char *icon_name; |
4474 | { | |
c118dd06 | 4475 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4476 | return 1; |
4477 | ||
1be2d067 KH |
4478 | #ifdef HAVE_X11R4 |
4479 | { | |
4480 | XTextProperty text; | |
4481 | text.value = (unsigned char *) icon_name; | |
4482 | text.encoding = XA_STRING; | |
4483 | text.format = 8; | |
4484 | text.nitems = strlen (icon_name); | |
4485 | #ifdef USE_X_TOOLKIT | |
7556890b | 4486 | XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
1be2d067 KH |
4487 | &text); |
4488 | #else /* not USE_X_TOOLKIT */ | |
4489 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text); | |
4490 | #endif /* not USE_X_TOOLKIT */ | |
4491 | } | |
4492 | #else /* not HAVE_X11R4 */ | |
4493 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), icon_name); | |
4494 | #endif /* not HAVE_X11R4 */ | |
58769bee | 4495 | |
7556890b RS |
4496 | if (f->output_data.x->icon_bitmap > 0) |
4497 | x_destroy_bitmap (f, f->output_data.x->icon_bitmap); | |
4498 | f->output_data.x->icon_bitmap = 0; | |
b1c884c3 | 4499 | x_wm_set_icon_pixmap (f, 0); |
dc6f92b8 JB |
4500 | |
4501 | return 0; | |
4502 | } | |
4503 | \f | |
4746118a JB |
4504 | /* Handling X errors. */ |
4505 | ||
7a13e894 | 4506 | /* Handle the loss of connection to display DISPLAY. */ |
16bd92ea | 4507 | |
4746118a | 4508 | static SIGTYPE |
7a13e894 RS |
4509 | x_connection_closed (display, error_message) |
4510 | Display *display; | |
4511 | char *error_message; | |
4746118a | 4512 | { |
7a13e894 RS |
4513 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
4514 | Lisp_Object frame, tail; | |
4515 | ||
6186a4a0 RS |
4516 | /* Indicate that this display is dead. */ |
4517 | ||
4518 | dpyinfo->display = 0; | |
4519 | ||
7a13e894 RS |
4520 | /* First delete frames whose minibuffers are on frames |
4521 | that are on the dead display. */ | |
4522 | FOR_EACH_FRAME (tail, frame) | |
4523 | { | |
4524 | Lisp_Object minibuf_frame; | |
4525 | minibuf_frame | |
4526 | = WINDOW_FRAME (XWINDOW (FRAME_MINIBUF_WINDOW (XFRAME (frame)))); | |
f48f33ca RS |
4527 | if (FRAME_X_P (XFRAME (frame)) |
4528 | && FRAME_X_P (XFRAME (minibuf_frame)) | |
4529 | && ! EQ (frame, minibuf_frame) | |
4530 | && FRAME_X_DISPLAY_INFO (XFRAME (minibuf_frame)) == dpyinfo) | |
7a13e894 RS |
4531 | Fdelete_frame (frame, Qt); |
4532 | } | |
4533 | ||
4534 | /* Now delete all remaining frames on the dead display. | |
4535 | We are now sure none of these is used as the minibuffer | |
4536 | for another frame that we need to delete. */ | |
4537 | FOR_EACH_FRAME (tail, frame) | |
f48f33ca RS |
4538 | if (FRAME_X_P (XFRAME (frame)) |
4539 | && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
07a7096a KH |
4540 | { |
4541 | /* Set this to t so that Fdelete_frame won't get confused | |
4542 | trying to find a replacement. */ | |
4543 | FRAME_KBOARD (XFRAME (frame))->Vdefault_minibuffer_frame = Qt; | |
4544 | Fdelete_frame (frame, Qt); | |
4545 | } | |
7a13e894 | 4546 | |
482a1bd2 KH |
4547 | if (dpyinfo) |
4548 | x_delete_display (dpyinfo); | |
7a13e894 RS |
4549 | |
4550 | if (x_display_list == 0) | |
4551 | { | |
4552 | fprintf (stderr, "%s", error_message); | |
4553 | shut_down_emacs (0, 0, Qnil); | |
4554 | exit (70); | |
4555 | } | |
12ba150f | 4556 | |
7a13e894 RS |
4557 | /* Ordinary stack unwind doesn't deal with these. */ |
4558 | #ifdef SIGIO | |
4559 | sigunblock (sigmask (SIGIO)); | |
4560 | #endif | |
4561 | sigunblock (sigmask (SIGALRM)); | |
4562 | TOTALLY_UNBLOCK_INPUT; | |
4563 | ||
4564 | error ("%s", error_message); | |
4746118a JB |
4565 | } |
4566 | ||
7a13e894 RS |
4567 | /* This is the usual handler for X protocol errors. |
4568 | It kills all frames on the display that we got the error for. | |
4569 | If that was the only one, it prints an error message and kills Emacs. */ | |
4570 | ||
c118dd06 JB |
4571 | static int |
4572 | x_error_quitter (display, error) | |
4573 | Display *display; | |
4574 | XErrorEvent *error; | |
4575 | { | |
7a13e894 | 4576 | char buf[256], buf1[356]; |
dc6f92b8 | 4577 | |
58769bee | 4578 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 4579 | original error handler. */ |
dc6f92b8 | 4580 | |
c118dd06 | 4581 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
c889e0d8 | 4582 | sprintf (buf1, "X protocol error: %s on protocol request %d\n", |
c118dd06 | 4583 | buf, error->request_code); |
7a13e894 | 4584 | x_connection_closed (display, buf1); |
dc6f92b8 JB |
4585 | } |
4586 | ||
7a13e894 RS |
4587 | /* This is the handler for X IO errors, always. |
4588 | It kills all frames on the display that we lost touch with. | |
4589 | If that was the only one, it prints an error message and kills Emacs. */ | |
4590 | ||
8922af5f JB |
4591 | static int |
4592 | x_io_error_quitter (display) | |
4593 | Display *display; | |
4594 | { | |
7a13e894 | 4595 | char buf[256]; |
8922af5f | 4596 | |
7a13e894 RS |
4597 | sprintf (buf, "Connection lost to X server `%s'", DisplayString (display)); |
4598 | x_connection_closed (display, buf); | |
8922af5f | 4599 | } |
7a13e894 | 4600 | \f |
f9e24cb9 RS |
4601 | /* Handle SIGPIPE, which can happen when the connection to a server |
4602 | simply goes away. SIGPIPE is handled by x_connection_signal. | |
4603 | It works by sending a no-op command to each X server connection. | |
4604 | When we try a connection that has closed, we get SIGPIPE again. | |
4605 | But this time, it is handled by x_connection_signal_1. | |
4606 | That function knows which connection we were testing, | |
4607 | so it closes that one. | |
4608 | ||
4609 | x_connection_closed never returns, | |
4610 | so if more than one connection was lost at once, | |
4611 | we only find one. But XTread_socket keeps trying them all, | |
4612 | so it will notice the other closed one sooner or later. */ | |
4613 | ||
4614 | ||
4615 | static struct x_display_info *x_connection_signal_dpyinfo; | |
4616 | ||
4617 | static SIGTYPE x_connection_signal (); | |
4618 | ||
4619 | static SIGTYPE | |
4620 | x_connection_signal_1 (signalnum) /* If we don't have an argument, */ | |
4621 | int signalnum; /* some compilers complain in signal calls. */ | |
4622 | { | |
4623 | signal (SIGPIPE, x_connection_signal); | |
4624 | x_connection_closed (x_connection_signal_dpyinfo, | |
4625 | "connection was lost"); | |
4626 | } | |
4627 | ||
4628 | static SIGTYPE | |
4629 | x_connection_signal (signalnum) /* If we don't have an argument, */ | |
4630 | int signalnum; /* some compilers complain in signal calls. */ | |
4631 | { | |
4632 | x_connection_signal_dpyinfo = x_display_list; | |
4633 | ||
4634 | sigunblock (SIGPIPE); | |
4635 | ||
4636 | while (x_connection_signal_dpyinfo) | |
4637 | { | |
4638 | signal (SIGPIPE, x_connection_signal_1); | |
15ffd0b3 | 4639 | |
6cf0ae86 | 4640 | x_connection_close_if_hung (x_connection_signal_dpyinfo); |
31e3a046 | 4641 | |
f9e24cb9 | 4642 | XNoOp (x_connection_signal_dpyinfo->display); |
15ffd0b3 | 4643 | |
f9e24cb9 RS |
4644 | XSync (x_connection_signal_dpyinfo->display, False); |
4645 | ||
4646 | /* Each time we get here, cycle through the displays now open. */ | |
4647 | x_connection_signal_dpyinfo = x_connection_signal_dpyinfo->next; | |
4648 | } | |
4649 | ||
4650 | /* We should have found some closed connection. */ | |
4651 | abort (); | |
4652 | } | |
4653 | \f | |
c118dd06 | 4654 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4655 | static char *x_caught_error_message; |
4656 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4657 | |
4658 | /* An X error handler which stores the error message in | |
4659 | x_caught_error_message. This is what's installed when | |
4660 | x_catch_errors is in effect. */ | |
7a13e894 | 4661 | |
c118dd06 JB |
4662 | static int |
4663 | x_error_catcher (display, error) | |
4664 | Display *display; | |
4665 | XErrorEvent *error; | |
4666 | { | |
4667 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4668 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4669 | } |
4670 | ||
4671 | ||
7a13e894 RS |
4672 | /* Begin trapping X errors for display DPY. Actually we trap X errors |
4673 | for all displays, but DPY should be the display you are actually | |
4674 | operating on. | |
dc6f92b8 | 4675 | |
c118dd06 JB |
4676 | After calling this function, X protocol errors no longer cause |
4677 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4678 | |
c118dd06 JB |
4679 | Calling x_check_errors signals an Emacs error if an X error has |
4680 | occurred since the last call to x_catch_errors or x_check_errors. | |
4681 | ||
4682 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4683 | ||
bc20ebbf | 4684 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4685 | |
4686 | void | |
7a13e894 RS |
4687 | x_catch_errors (dpy) |
4688 | Display *dpy; | |
dc6f92b8 | 4689 | { |
c118dd06 | 4690 | /* Make sure any errors from previous requests have been dealt with. */ |
7a13e894 | 4691 | XSync (dpy, False); |
dc6f92b8 | 4692 | |
c118dd06 | 4693 | /* Set up the error buffer. */ |
60f9aad3 | 4694 | x_caught_error_message |
cef13e55 RS |
4695 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4696 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4697 | |
c118dd06 | 4698 | /* Install our little error handler. */ |
334208b7 | 4699 | XSetErrorHandler (x_error_catcher); |
c118dd06 | 4700 | } |
16bd92ea | 4701 | |
c118dd06 JB |
4702 | /* If any X protocol errors have arrived since the last call to |
4703 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4704 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4705 | |
c118dd06 | 4706 | void |
7a13e894 RS |
4707 | x_check_errors (dpy, format) |
4708 | Display *dpy; | |
c118dd06 JB |
4709 | char *format; |
4710 | { | |
4711 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4712 | XSync (dpy, False); |
16bd92ea | 4713 | |
cef13e55 | 4714 | if (x_caught_error_message[0]) |
c118dd06 | 4715 | { |
cef13e55 | 4716 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4717 | |
cef13e55 | 4718 | sprintf (buf, format, x_caught_error_message); |
7a13e894 | 4719 | x_uncatch_errors (dpy); |
c118dd06 JB |
4720 | error (buf); |
4721 | } | |
4722 | } | |
4723 | ||
b849c413 RS |
4724 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4725 | ||
4726 | int | |
7a13e894 RS |
4727 | x_had_errors_p (dpy) |
4728 | Display *dpy; | |
b849c413 RS |
4729 | { |
4730 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4731 | XSync (dpy, False); |
b849c413 RS |
4732 | |
4733 | return x_caught_error_message[0] != 0; | |
4734 | } | |
4735 | ||
812361a1 RS |
4736 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4737 | ||
c118dd06 | 4738 | void |
7a13e894 RS |
4739 | x_uncatch_errors (dpy) |
4740 | Display *dpy; | |
c118dd06 | 4741 | { |
9ac0d9e0 | 4742 | xfree (x_caught_error_message); |
cef13e55 | 4743 | x_caught_error_message = 0; |
334208b7 | 4744 | XSetErrorHandler (x_error_quitter); |
dc6f92b8 JB |
4745 | } |
4746 | ||
dc6f92b8 JB |
4747 | #if 0 |
4748 | static unsigned int x_wire_count; | |
4749 | x_trace_wire () | |
4750 | { | |
4751 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4752 | } | |
c118dd06 | 4753 | #endif /* ! 0 */ |
dc6f92b8 JB |
4754 | |
4755 | \f | |
f451eb13 JB |
4756 | /* Changing the font of the frame. */ |
4757 | ||
76bcdf39 RS |
4758 | /* Give frame F the font named FONTNAME as its default font, and |
4759 | return the full name of that font. FONTNAME may be a wildcard | |
4760 | pattern; in that case, we choose some font that fits the pattern. | |
4761 | The return value shows which font we chose. */ | |
4762 | ||
b5cf7a0e | 4763 | Lisp_Object |
f676886a JB |
4764 | x_new_font (f, fontname) |
4765 | struct frame *f; | |
dc6f92b8 JB |
4766 | register char *fontname; |
4767 | { | |
dc6f92b8 JB |
4768 | int already_loaded; |
4769 | int n_matching_fonts; | |
4770 | XFontStruct *font_info; | |
4771 | char **font_names; | |
4772 | ||
4773 | /* Get a list of all the fonts that match this name. Once we | |
4774 | have a list of matching fonts, we compare them against the fonts | |
4775 | we already have by comparing font ids. */ | |
334208b7 | 4776 | font_names = (char **) XListFonts (FRAME_X_DISPLAY (f), fontname, |
2224a5fc | 4777 | 1024, &n_matching_fonts); |
0c94f6ee JB |
4778 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4779 | find any matches; font_names == 0 is the only clue. */ | |
4780 | if (! font_names) | |
4781 | n_matching_fonts = 0; | |
4782 | ||
5835f860 RS |
4783 | /* Don't just give up if n_matching_fonts is 0. |
4784 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4785 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 4786 | |
90e65f07 | 4787 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
4788 | already_loaded = -1; |
4789 | if (n_matching_fonts != 0) | |
4790 | { | |
4791 | int i, j; | |
dc6f92b8 | 4792 | |
7a13e894 | 4793 | for (i = 0; i < FRAME_X_DISPLAY_INFO (f)->n_fonts; i++) |
5835f860 | 4794 | for (j = 0; j < n_matching_fonts; j++) |
7a13e894 RS |
4795 | if (!strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].name, font_names[j]) |
4796 | || !strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name, font_names[j])) | |
5835f860 RS |
4797 | { |
4798 | already_loaded = i; | |
7a13e894 | 4799 | fontname = FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name; |
5835f860 RS |
4800 | goto found_font; |
4801 | } | |
4802 | } | |
dc6f92b8 | 4803 | found_font: |
58769bee | 4804 | |
dc6f92b8 | 4805 | /* If we have, just return it from the table. */ |
2224a5fc | 4806 | if (already_loaded >= 0) |
7556890b | 4807 | f->output_data.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[already_loaded].font; |
dc6f92b8 JB |
4808 | /* Otherwise, load the font and add it to the table. */ |
4809 | else | |
4810 | { | |
9696f58b | 4811 | int i; |
76bcdf39 | 4812 | char *full_name; |
dc6f92b8 | 4813 | XFontStruct *font; |
7a13e894 | 4814 | int n_fonts; |
dc6f92b8 | 4815 | |
9696f58b | 4816 | /* Try to find a character-cell font in the list. */ |
58769bee | 4817 | #if 0 |
f126bd67 | 4818 | /* A laudable goal, but this isn't how to do it. */ |
9696f58b JB |
4819 | for (i = 0; i < n_matching_fonts; i++) |
4820 | if (! font_info[i].per_char) | |
4821 | break; | |
f126bd67 JB |
4822 | #else |
4823 | i = 0; | |
4824 | #endif | |
9696f58b | 4825 | |
5835f860 RS |
4826 | /* See comment above. */ |
4827 | if (n_matching_fonts != 0) | |
9696f58b JB |
4828 | fontname = font_names[i]; |
4829 | ||
334208b7 | 4830 | font = (XFontStruct *) XLoadQueryFont (FRAME_X_DISPLAY (f), fontname); |
dc6f92b8 | 4831 | if (! font) |
5835f860 | 4832 | { |
2224a5fc | 4833 | /* Free the information from XListFonts. */ |
5835f860 | 4834 | if (n_matching_fonts) |
2224a5fc | 4835 | XFreeFontNames (font_names); |
5835f860 RS |
4836 | return Qnil; |
4837 | } | |
dc6f92b8 JB |
4838 | |
4839 | /* Do we need to create the table? */ | |
7a13e894 | 4840 | if (FRAME_X_DISPLAY_INFO (f)->font_table_size == 0) |
dc6f92b8 | 4841 | { |
7a13e894 RS |
4842 | FRAME_X_DISPLAY_INFO (f)->font_table_size = 16; |
4843 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4844 | = (struct font_info *) xmalloc (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4845 | * sizeof (struct font_info)); | |
dc6f92b8 JB |
4846 | } |
4847 | /* Do we need to grow the table? */ | |
7a13e894 RS |
4848 | else if (FRAME_X_DISPLAY_INFO (f)->n_fonts |
4849 | >= FRAME_X_DISPLAY_INFO (f)->font_table_size) | |
dc6f92b8 | 4850 | { |
7a13e894 RS |
4851 | FRAME_X_DISPLAY_INFO (f)->font_table_size *= 2; |
4852 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4853 | = (struct font_info *) xrealloc (FRAME_X_DISPLAY_INFO (f)->font_table, | |
4854 | (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4855 | * sizeof (struct font_info))); | |
dc6f92b8 JB |
4856 | } |
4857 | ||
76bcdf39 RS |
4858 | /* Try to get the full name of FONT. Put it in full_name. */ |
4859 | full_name = 0; | |
4860 | for (i = 0; i < font->n_properties; i++) | |
4861 | { | |
4862 | char *atom | |
334208b7 | 4863 | = XGetAtomName (FRAME_X_DISPLAY (f), font->properties[i].name); |
76bcdf39 | 4864 | if (!strcmp (atom, "FONT")) |
7965883b | 4865 | { |
334208b7 | 4866 | char *name = XGetAtomName (FRAME_X_DISPLAY (f), |
7965883b RS |
4867 | (Atom) (font->properties[i].card32)); |
4868 | char *p = name; | |
4869 | int dashes = 0; | |
4870 | ||
4871 | /* Count the number of dashes in the "full name". | |
4872 | If it is too few, this isn't really the font's full name, | |
4873 | so don't use it. | |
4874 | In X11R4, the fonts did not come with their canonical names | |
4875 | stored in them. */ | |
4876 | while (*p) | |
4877 | { | |
4878 | if (*p == '-') | |
4879 | dashes++; | |
4880 | p++; | |
4881 | } | |
4882 | ||
4883 | if (dashes >= 13) | |
4884 | full_name = name; | |
8ed24d5a RS |
4885 | |
4886 | break; | |
7965883b RS |
4887 | } |
4888 | ||
76bcdf39 RS |
4889 | XFree (atom); |
4890 | } | |
4891 | ||
7a13e894 RS |
4892 | n_fonts = FRAME_X_DISPLAY_INFO (f)->n_fonts; |
4893 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); | |
4894 | bcopy (fontname, FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name, strlen (fontname) + 1); | |
76bcdf39 | 4895 | if (full_name != 0) |
7a13e894 | 4896 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = full_name; |
76bcdf39 | 4897 | else |
7a13e894 | 4898 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name; |
7556890b | 4899 | f->output_data.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].font = font; |
7a13e894 | 4900 | FRAME_X_DISPLAY_INFO (f)->n_fonts++; |
76bcdf39 | 4901 | |
d53067dc RS |
4902 | if (full_name) |
4903 | fontname = full_name; | |
dc6f92b8 | 4904 | } |
2224a5fc | 4905 | |
b2cad826 KH |
4906 | /* Compute the scroll bar width in character columns. */ |
4907 | if (f->scroll_bar_pixel_width > 0) | |
4908 | { | |
7556890b | 4909 | int wid = FONT_WIDTH (f->output_data.x->font); |
b2cad826 KH |
4910 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; |
4911 | } | |
4912 | else | |
4913 | f->scroll_bar_cols = 2; | |
4914 | ||
f676886a | 4915 | /* Now make the frame display the given font. */ |
c118dd06 | 4916 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4917 | { |
7556890b RS |
4918 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->normal_gc, |
4919 | f->output_data.x->font->fid); | |
4920 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->reverse_gc, | |
4921 | f->output_data.x->font->fid); | |
4922 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->cursor_gc, | |
4923 | f->output_data.x->font->fid); | |
f676886a | 4924 | |
a27f9f86 | 4925 | frame_update_line_height (f); |
0134a210 | 4926 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 4927 | } |
a27f9f86 RS |
4928 | else |
4929 | /* If we are setting a new frame's font for the first time, | |
4930 | there are no faces yet, so this font's height is the line height. */ | |
7556890b | 4931 | f->output_data.x->line_height = FONT_HEIGHT (f->output_data.x->font); |
dc6f92b8 | 4932 | |
b5cf7a0e | 4933 | { |
abdda982 | 4934 | Lisp_Object lispy_name; |
b5cf7a0e | 4935 | |
abdda982 | 4936 | lispy_name = build_string (fontname); |
b5cf7a0e | 4937 | |
2224a5fc | 4938 | /* Free the information from XListFonts. The data |
b5cf7a0e | 4939 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 4940 | XFreeFontNames (font_names); |
b5cf7a0e JB |
4941 | |
4942 | return lispy_name; | |
4943 | } | |
dc6f92b8 | 4944 | } |
dc6f92b8 | 4945 | \f |
2e365682 RS |
4946 | /* Calculate the absolute position in frame F |
4947 | from its current recorded position values and gravity. */ | |
4948 | ||
43bca5d5 | 4949 | x_calc_absolute_position (f) |
f676886a | 4950 | struct frame *f; |
dc6f92b8 | 4951 | { |
6dba1858 RS |
4952 | Window win, child; |
4953 | int win_x = 0, win_y = 0; | |
7556890b | 4954 | int flags = f->output_data.x->size_hint_flags; |
c81412a0 KH |
4955 | int this_window; |
4956 | ||
4957 | #ifdef USE_X_TOOLKIT | |
7556890b | 4958 | this_window = XtWindow (f->output_data.x->widget); |
c81412a0 KH |
4959 | #else |
4960 | this_window = FRAME_X_WINDOW (f); | |
4961 | #endif | |
6dba1858 RS |
4962 | |
4963 | /* Find the position of the outside upper-left corner of | |
4964 | the inner window, with respect to the outer window. */ | |
7556890b | 4965 | if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
6dba1858 RS |
4966 | { |
4967 | BLOCK_INPUT; | |
334208b7 | 4968 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
58769bee | 4969 | |
6dba1858 | 4970 | /* From-window, to-window. */ |
c81412a0 | 4971 | this_window, |
7556890b | 4972 | f->output_data.x->parent_desc, |
6dba1858 RS |
4973 | |
4974 | /* From-position, to-position. */ | |
4975 | 0, 0, &win_x, &win_y, | |
4976 | ||
4977 | /* Child of win. */ | |
4978 | &child); | |
4979 | UNBLOCK_INPUT; | |
4980 | } | |
4981 | ||
4982 | /* Treat negative positions as relative to the leftmost bottommost | |
4983 | position that fits on the screen. */ | |
20f55f9a | 4984 | if (flags & XNegative) |
7556890b | 4985 | f->output_data.x->left_pos = (FRAME_X_DISPLAY_INFO (f)->width |
2e365682 RS |
4986 | - 2 * f->output_data.x->border_width - win_x |
4987 | - PIXEL_WIDTH (f) | |
4988 | + f->output_data.x->left_pos); | |
dc6f92b8 | 4989 | |
20f55f9a | 4990 | if (flags & YNegative) |
b983e34e RS |
4991 | /* We used to subtract f->output_data.x->menubar_height here |
4992 | in the toolkit case, but PIXEL_HEIGHT already includes that. */ | |
7556890b | 4993 | f->output_data.x->top_pos = (FRAME_X_DISPLAY_INFO (f)->height |
2e365682 RS |
4994 | - 2 * f->output_data.x->border_width - win_y |
4995 | - PIXEL_HEIGHT (f) | |
4996 | + f->output_data.x->top_pos); | |
4997 | ||
3a35ab44 RS |
4998 | /* The left_pos and top_pos |
4999 | are now relative to the top and left screen edges, | |
5000 | so the flags should correspond. */ | |
7556890b | 5001 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); |
dc6f92b8 JB |
5002 | } |
5003 | ||
3a35ab44 RS |
5004 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
5005 | to really change the position, and 0 when calling from | |
5006 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
aa3ff7c9 KH |
5007 | position values). It is -1 when calling from x_set_frame_parameters, |
5008 | which means, do adjust for borders but don't change the gravity. */ | |
3a35ab44 | 5009 | |
dc05a16b | 5010 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 5011 | struct frame *f; |
dc6f92b8 | 5012 | register int xoff, yoff; |
dc05a16b | 5013 | int change_gravity; |
dc6f92b8 | 5014 | { |
4a4cbdd5 KH |
5015 | int modified_top, modified_left; |
5016 | ||
aa3ff7c9 | 5017 | if (change_gravity > 0) |
3a35ab44 | 5018 | { |
7556890b RS |
5019 | f->output_data.x->top_pos = yoff; |
5020 | f->output_data.x->left_pos = xoff; | |
5021 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); | |
3a35ab44 | 5022 | if (xoff < 0) |
7556890b | 5023 | f->output_data.x->size_hint_flags |= XNegative; |
3a35ab44 | 5024 | if (yoff < 0) |
7556890b RS |
5025 | f->output_data.x->size_hint_flags |= YNegative; |
5026 | f->output_data.x->win_gravity = NorthWestGravity; | |
3a35ab44 | 5027 | } |
43bca5d5 | 5028 | x_calc_absolute_position (f); |
dc6f92b8 JB |
5029 | |
5030 | BLOCK_INPUT; | |
c32cdd9a | 5031 | x_wm_set_size_hint (f, (long) 0, 0); |
3a35ab44 | 5032 | |
4a4cbdd5 KH |
5033 | /* It is a mystery why we need to add the border_width here |
5034 | when the frame is already visible, but experiment says we do. */ | |
7556890b RS |
5035 | modified_left = f->output_data.x->left_pos; |
5036 | modified_top = f->output_data.x->top_pos; | |
aa3ff7c9 | 5037 | if (change_gravity != 0) |
4a4cbdd5 | 5038 | { |
7556890b RS |
5039 | modified_left += f->output_data.x->border_width; |
5040 | modified_top += f->output_data.x->border_width; | |
4a4cbdd5 KH |
5041 | } |
5042 | ||
3afe33e7 | 5043 | #ifdef USE_X_TOOLKIT |
7556890b | 5044 | XMoveWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
4a4cbdd5 | 5045 | modified_left, modified_top); |
3afe33e7 | 5046 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 5047 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
4a4cbdd5 | 5048 | modified_left, modified_top); |
3afe33e7 | 5049 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5050 | UNBLOCK_INPUT; |
5051 | } | |
5052 | ||
bc20ebbf FP |
5053 | /* Call this to change the size of frame F's x-window. |
5054 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
5055 | for this size change and subsequent size changes. | |
5056 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 5057 | |
bc20ebbf | 5058 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 5059 | struct frame *f; |
bc20ebbf | 5060 | int change_gravity; |
b1c884c3 | 5061 | int cols, rows; |
dc6f92b8 JB |
5062 | { |
5063 | int pixelwidth, pixelheight; | |
5064 | int mask; | |
aee9a898 RS |
5065 | Lisp_Object window; |
5066 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
dc6f92b8 | 5067 | |
80fd1fe2 | 5068 | BLOCK_INPUT; |
aee9a898 RS |
5069 | |
5070 | #ifdef USE_X_TOOLKIT | |
3a20653d RS |
5071 | { |
5072 | /* The x and y position of the widget is clobbered by the | |
5073 | call to XtSetValues within EmacsFrameSetCharSize. | |
5074 | This is a real kludge, but I don't understand Xt so I can't | |
5075 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
7556890b RS |
5076 | int xpos = f->output_data.x->widget->core.x; |
5077 | int ypos = f->output_data.x->widget->core.y; | |
5078 | EmacsFrameSetCharSize (f->output_data.x->edit_widget, cols, rows); | |
5079 | f->output_data.x->widget->core.x = xpos; | |
5080 | f->output_data.x->widget->core.y = ypos; | |
3a20653d | 5081 | } |
80fd1fe2 FP |
5082 | |
5083 | #else /* not USE_X_TOOLKIT */ | |
5084 | ||
b1c884c3 | 5085 | check_frame_size (f, &rows, &cols); |
7556890b | 5086 | f->output_data.x->vertical_scroll_bar_extra |
b2cad826 KH |
5087 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
5088 | ? 0 | |
5089 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
480407eb | 5090 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
7556890b | 5091 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font))); |
f451eb13 JB |
5092 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
5093 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 | 5094 | |
7556890b | 5095 | f->output_data.x->win_gravity = NorthWestGravity; |
c32cdd9a | 5096 | x_wm_set_size_hint (f, (long) 0, 0); |
6ccf47d1 | 5097 | |
334208b7 RS |
5098 | XSync (FRAME_X_DISPLAY (f), False); |
5099 | XResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
5100 | pixelwidth, pixelheight); | |
b1c884c3 JB |
5101 | |
5102 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
5103 | but the window manager will get around to dealing with the size | |
5104 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
5105 | ConfigureNotify event gets here. |
5106 | ||
5107 | We could just not bother storing any of this information here, | |
5108 | and let the ConfigureNotify event set everything up, but that | |
5109 | might be kind of confusing to the lisp code, since size changes | |
5110 | wouldn't be reported in the frame parameters until some random | |
5111 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 5112 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
5113 | PIXEL_WIDTH (f) = pixelwidth; |
5114 | PIXEL_HEIGHT (f) = pixelheight; | |
5115 | ||
aee9a898 RS |
5116 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
5117 | receive in the ConfigureNotify event; if we get what we asked | |
5118 | for, then the event won't cause the screen to become garbaged, so | |
5119 | we have to make sure to do it here. */ | |
5120 | SET_FRAME_GARBAGED (f); | |
5121 | ||
5122 | XFlush (FRAME_X_DISPLAY (f)); | |
5123 | ||
5124 | #endif /* not USE_X_TOOLKIT */ | |
5125 | ||
4d73d038 RS |
5126 | /* If cursor was outside the new size, mark it as off. */ |
5127 | if (f->phys_cursor_y >= rows | |
5128 | || f->phys_cursor_x >= cols) | |
5129 | { | |
5130 | f->phys_cursor_x = -1; | |
5131 | f->phys_cursor_y = -1; | |
5132 | } | |
5133 | ||
aee9a898 RS |
5134 | /* Clear out any recollection of where the mouse highlighting was, |
5135 | since it might be in a place that's outside the new frame size. | |
5136 | Actually checking whether it is outside is a pain in the neck, | |
5137 | so don't try--just let the highlighting be done afresh with new size. */ | |
5138 | window = dpyinfo->mouse_face_window; | |
5139 | if (! NILP (window) && XFRAME (window) == f) | |
5140 | { | |
5141 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
5142 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
5143 | dpyinfo->mouse_face_window = Qnil; | |
5144 | } | |
dbc4e1c1 | 5145 | |
dc6f92b8 JB |
5146 | UNBLOCK_INPUT; |
5147 | } | |
dc6f92b8 | 5148 | \f |
d047c4eb | 5149 | /* Mouse warping. */ |
dc6f92b8 | 5150 | |
9b378208 | 5151 | void |
f676886a JB |
5152 | x_set_mouse_position (f, x, y) |
5153 | struct frame *f; | |
dc6f92b8 JB |
5154 | int x, y; |
5155 | { | |
5156 | int pix_x, pix_y; | |
5157 | ||
7556890b RS |
5158 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.x->font) / 2; |
5159 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.x->line_height / 2; | |
f451eb13 JB |
5160 | |
5161 | if (pix_x < 0) pix_x = 0; | |
5162 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
5163 | ||
5164 | if (pix_y < 0) pix_y = 0; | |
5165 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
5166 | |
5167 | BLOCK_INPUT; | |
dc6f92b8 | 5168 | |
334208b7 RS |
5169 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
5170 | 0, 0, 0, 0, pix_x, pix_y); | |
dc6f92b8 JB |
5171 | UNBLOCK_INPUT; |
5172 | } | |
5173 | ||
9b378208 RS |
5174 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
5175 | ||
5176 | void | |
5177 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
5178 | struct frame *f; | |
5179 | int pix_x, pix_y; | |
5180 | { | |
5181 | BLOCK_INPUT; | |
5182 | ||
334208b7 RS |
5183 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
5184 | 0, 0, 0, 0, pix_x, pix_y); | |
9b378208 RS |
5185 | UNBLOCK_INPUT; |
5186 | } | |
d047c4eb KH |
5187 | \f |
5188 | /* focus shifting, raising and lowering. */ | |
9b378208 | 5189 | |
f676886a JB |
5190 | x_focus_on_frame (f) |
5191 | struct frame *f; | |
dc6f92b8 | 5192 | { |
1fb20991 | 5193 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 5194 | x_raise_frame (f); |
1fb20991 | 5195 | #endif |
6d4238f3 JB |
5196 | #if 0 |
5197 | /* I don't think that the ICCCM allows programs to do things like this | |
5198 | without the interaction of the window manager. Whatever you end up | |
f676886a | 5199 | doing with this code, do it to x_unfocus_frame too. */ |
334208b7 | 5200 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dc6f92b8 | 5201 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5202 | #endif /* ! 0 */ |
dc6f92b8 JB |
5203 | } |
5204 | ||
f676886a JB |
5205 | x_unfocus_frame (f) |
5206 | struct frame *f; | |
dc6f92b8 | 5207 | { |
6d4238f3 | 5208 | #if 0 |
f676886a | 5209 | /* Look at the remarks in x_focus_on_frame. */ |
0f941935 | 5210 | if (FRAME_X_DISPLAY_INFO (f)->x_focus_frame == f) |
334208b7 | 5211 | XSetInputFocus (FRAME_X_DISPLAY (f), PointerRoot, |
dc6f92b8 | 5212 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5213 | #endif /* ! 0 */ |
dc6f92b8 JB |
5214 | } |
5215 | ||
f676886a | 5216 | /* Raise frame F. */ |
dc6f92b8 | 5217 | |
f676886a JB |
5218 | x_raise_frame (f) |
5219 | struct frame *f; | |
dc6f92b8 | 5220 | { |
3a88c238 | 5221 | if (f->async_visible) |
dc6f92b8 JB |
5222 | { |
5223 | BLOCK_INPUT; | |
3afe33e7 | 5224 | #ifdef USE_X_TOOLKIT |
7556890b | 5225 | XRaiseWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget)); |
3afe33e7 | 5226 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 5227 | XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5228 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5229 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
5230 | UNBLOCK_INPUT; |
5231 | } | |
5232 | } | |
5233 | ||
f676886a | 5234 | /* Lower frame F. */ |
dc6f92b8 | 5235 | |
f676886a JB |
5236 | x_lower_frame (f) |
5237 | struct frame *f; | |
dc6f92b8 | 5238 | { |
3a88c238 | 5239 | if (f->async_visible) |
dc6f92b8 JB |
5240 | { |
5241 | BLOCK_INPUT; | |
3afe33e7 | 5242 | #ifdef USE_X_TOOLKIT |
7556890b | 5243 | XLowerWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget)); |
3afe33e7 | 5244 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 5245 | XLowerWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5246 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5247 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
5248 | UNBLOCK_INPUT; |
5249 | } | |
5250 | } | |
5251 | ||
dbc4e1c1 | 5252 | static void |
6b0442dc | 5253 | XTframe_raise_lower (f, raise_flag) |
dbc4e1c1 | 5254 | FRAME_PTR f; |
6b0442dc | 5255 | int raise_flag; |
dbc4e1c1 | 5256 | { |
6b0442dc | 5257 | if (raise_flag) |
dbc4e1c1 JB |
5258 | x_raise_frame (f); |
5259 | else | |
5260 | x_lower_frame (f); | |
5261 | } | |
d047c4eb KH |
5262 | \f |
5263 | /* Change of visibility. */ | |
dc6f92b8 | 5264 | |
9382638d KH |
5265 | /* This tries to wait until the frame is really visible. |
5266 | However, if the window manager asks the user where to position | |
5267 | the frame, this will return before the user finishes doing that. | |
5268 | The frame will not actually be visible at that time, | |
5269 | but it will become visible later when the window manager | |
5270 | finishes with it. */ | |
5271 | ||
f676886a JB |
5272 | x_make_frame_visible (f) |
5273 | struct frame *f; | |
dc6f92b8 JB |
5274 | { |
5275 | int mask; | |
990ba854 | 5276 | Lisp_Object type; |
dc6f92b8 | 5277 | |
dc6f92b8 | 5278 | BLOCK_INPUT; |
dc6f92b8 | 5279 | |
990ba854 RS |
5280 | type = x_icon_type (f); |
5281 | if (!NILP (type)) | |
5282 | x_bitmap_icon (f, type); | |
bdcd49ba | 5283 | |
f676886a | 5284 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 | 5285 | { |
9382638d KH |
5286 | /* We test FRAME_GARBAGED_P here to make sure we don't |
5287 | call x_set_offset a second time | |
5288 | if we get to x_make_frame_visible a second time | |
5289 | before the window gets really visible. */ | |
5290 | if (! FRAME_ICONIFIED_P (f) | |
7556890b RS |
5291 | && ! f->output_data.x->asked_for_visible) |
5292 | x_set_offset (f, f->output_data.x->left_pos, f->output_data.x->top_pos, 0); | |
dc05a16b | 5293 | |
7556890b | 5294 | f->output_data.x->asked_for_visible = 1; |
9382638d | 5295 | |
90e65f07 | 5296 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 5297 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 5298 | #ifdef USE_X_TOOLKIT |
d7a38a2e | 5299 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
7556890b | 5300 | XtMapWidget (f->output_data.x->widget); |
3afe33e7 | 5301 | #else /* not USE_X_TOOLKIT */ |
7f9c7f94 | 5302 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5303 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
5304 | #if 0 /* This seems to bring back scroll bars in the wrong places |
5305 | if the window configuration has changed. They seem | |
5306 | to come back ok without this. */ | |
ab648270 | 5307 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 5308 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 5309 | #endif |
90e65f07 | 5310 | } |
dc6f92b8 | 5311 | |
334208b7 | 5312 | XFlush (FRAME_X_DISPLAY (f)); |
90e65f07 | 5313 | |
0dacf791 RS |
5314 | /* Synchronize to ensure Emacs knows the frame is visible |
5315 | before we do anything else. We do this loop with input not blocked | |
5316 | so that incoming events are handled. */ | |
5317 | { | |
5318 | Lisp_Object frame; | |
c0a04927 RS |
5319 | int count = input_signal_count; |
5320 | ||
5321 | /* This must come after we set COUNT. */ | |
5322 | UNBLOCK_INPUT; | |
5323 | ||
e0c1aef2 | 5324 | XSETFRAME (frame, f); |
c0a04927 RS |
5325 | |
5326 | while (1) | |
2a6cf806 | 5327 | { |
334208b7 | 5328 | x_sync (f); |
c0a04927 RS |
5329 | /* Once we have handled input events, |
5330 | we should have received the MapNotify if one is coming. | |
5331 | So if we have not got it yet, stop looping. | |
5332 | Some window managers make their own decisions | |
5333 | about visibility. */ | |
5334 | if (input_signal_count != count) | |
5335 | break; | |
c12a7cbd | 5336 | /* Machines that do polling rather than SIGIO have been observed |
23cf7c60 KH |
5337 | to go into a busy-wait here. So we'll fake an alarm signal |
5338 | to let the handler know that there's something to be read. | |
5339 | We used to raise a real alarm, but it seems that the handler | |
5340 | isn't always enabled here. This is probably a bug. */ | |
8b2f8d4e | 5341 | if (input_polling_used ()) |
3b2fa4e6 RS |
5342 | { |
5343 | /* It could be confusing if a real alarm arrives while processing | |
5344 | the fake one. Turn it off and let the handler reset it. */ | |
5345 | alarm (0); | |
5346 | input_poll_signal (); | |
5347 | } | |
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; | |
2a6cf806 | 5355 | } |
0dacf791 RS |
5356 | FRAME_SAMPLE_VISIBILITY (f); |
5357 | } | |
dc6f92b8 JB |
5358 | } |
5359 | ||
5360 | /* Change from mapped state to withdrawn state. */ | |
5361 | ||
d047c4eb KH |
5362 | /* Make the frame visible (mapped and not iconified). */ |
5363 | ||
f676886a JB |
5364 | x_make_frame_invisible (f) |
5365 | struct frame *f; | |
dc6f92b8 JB |
5366 | { |
5367 | int mask; | |
546e6d5b RS |
5368 | Window window; |
5369 | ||
5370 | #ifdef USE_X_TOOLKIT | |
5371 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
7556890b | 5372 | window = XtWindow (f->output_data.x->widget); |
546e6d5b RS |
5373 | #else /* not USE_X_TOOLKIT */ |
5374 | window = FRAME_X_WINDOW (f); | |
5375 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5376 | |
9319ae23 | 5377 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
5378 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
5379 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 5380 | |
5627c40e | 5381 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5382 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5383 | return; |
5627c40e | 5384 | #endif |
dc6f92b8 JB |
5385 | |
5386 | BLOCK_INPUT; | |
c118dd06 | 5387 | |
af31d76f RS |
5388 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
5389 | that the current position of the window is user-specified, rather than | |
5390 | program-specified, so that when the window is mapped again, it will be | |
5391 | placed at the same location, without forcing the user to position it | |
5392 | by hand again (they have already done that once for this window.) */ | |
c32cdd9a | 5393 | x_wm_set_size_hint (f, (long) 0, 1); |
af31d76f | 5394 | |
c118dd06 JB |
5395 | #ifdef HAVE_X11R4 |
5396 | ||
334208b7 RS |
5397 | if (! XWithdrawWindow (FRAME_X_DISPLAY (f), window, |
5398 | DefaultScreen (FRAME_X_DISPLAY (f)))) | |
c118dd06 JB |
5399 | { |
5400 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5401 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 5402 | } |
c118dd06 | 5403 | #else /* ! defined (HAVE_X11R4) */ |
16bd92ea | 5404 | |
c118dd06 | 5405 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5406 | if (! EQ (Vx_no_window_manager, Qt)) |
5407 | { | |
16bd92ea | 5408 | XEvent unmap; |
dc6f92b8 | 5409 | |
16bd92ea | 5410 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 5411 | unmap.xunmap.window = window; |
334208b7 | 5412 | unmap.xunmap.event = DefaultRootWindow (FRAME_X_DISPLAY (f)); |
16bd92ea | 5413 | unmap.xunmap.from_configure = False; |
334208b7 RS |
5414 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5415 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5416 | False, |
5417 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5418 | &unmap)) | |
5419 | { | |
5420 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5421 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 5422 | } |
dc6f92b8 JB |
5423 | } |
5424 | ||
16bd92ea | 5425 | /* Unmap the window ourselves. Cheeky! */ |
334208b7 | 5426 | XUnmapWindow (FRAME_X_DISPLAY (f), window); |
c118dd06 | 5427 | #endif /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 5428 | |
5627c40e RS |
5429 | /* We can't distinguish this from iconification |
5430 | just by the event that we get from the server. | |
5431 | So we can't win using the usual strategy of letting | |
5432 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5433 | and synchronize with the server to make sure we agree. */ | |
5434 | f->visible = 0; | |
5435 | FRAME_ICONIFIED_P (f) = 0; | |
5436 | f->async_visible = 0; | |
5437 | f->async_iconified = 0; | |
5438 | ||
334208b7 | 5439 | x_sync (f); |
5627c40e | 5440 | |
dc6f92b8 JB |
5441 | UNBLOCK_INPUT; |
5442 | } | |
5443 | ||
dc6f92b8 JB |
5444 | /* Change window state from mapped to iconified. */ |
5445 | ||
f676886a JB |
5446 | x_iconify_frame (f) |
5447 | struct frame *f; | |
dc6f92b8 JB |
5448 | { |
5449 | int mask; | |
3afe33e7 | 5450 | int result; |
990ba854 | 5451 | Lisp_Object type; |
dc6f92b8 | 5452 | |
9319ae23 | 5453 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
5454 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
5455 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 5456 | |
3a88c238 | 5457 | if (f->async_iconified) |
dc6f92b8 JB |
5458 | return; |
5459 | ||
3afe33e7 | 5460 | BLOCK_INPUT; |
546e6d5b | 5461 | |
9af3143a RS |
5462 | FRAME_SAMPLE_VISIBILITY (f); |
5463 | ||
990ba854 RS |
5464 | type = x_icon_type (f); |
5465 | if (!NILP (type)) | |
5466 | x_bitmap_icon (f, type); | |
bdcd49ba RS |
5467 | |
5468 | #ifdef USE_X_TOOLKIT | |
5469 | ||
546e6d5b RS |
5470 | if (! FRAME_VISIBLE_P (f)) |
5471 | { | |
5472 | if (! EQ (Vx_no_window_manager, Qt)) | |
5473 | x_wm_set_window_state (f, IconicState); | |
5474 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
7556890b | 5475 | XtMapWidget (f->output_data.x->widget); |
546e6d5b RS |
5476 | UNBLOCK_INPUT; |
5477 | return; | |
5478 | } | |
5479 | ||
334208b7 | 5480 | result = XIconifyWindow (FRAME_X_DISPLAY (f), |
7556890b | 5481 | XtWindow (f->output_data.x->widget), |
334208b7 | 5482 | DefaultScreen (FRAME_X_DISPLAY (f))); |
3afe33e7 RS |
5483 | UNBLOCK_INPUT; |
5484 | ||
5485 | if (!result) | |
546e6d5b | 5486 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
5487 | |
5488 | f->async_iconified = 1; | |
8c002a25 KH |
5489 | |
5490 | BLOCK_INPUT; | |
334208b7 | 5491 | XFlush (FRAME_X_DISPLAY (f)); |
8c002a25 | 5492 | UNBLOCK_INPUT; |
3afe33e7 RS |
5493 | #else /* not USE_X_TOOLKIT */ |
5494 | ||
fd13dbb2 RS |
5495 | /* Make sure the X server knows where the window should be positioned, |
5496 | in case the user deiconifies with the window manager. */ | |
5497 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
7556890b | 5498 | x_set_offset (f, f->output_data.x->left_pos, f->output_data.x->top_pos, 0); |
fd13dbb2 | 5499 | |
16bd92ea JB |
5500 | /* Since we don't know which revision of X we're running, we'll use both |
5501 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5502 | ||
5503 | /* X11R4: send a ClientMessage to the window manager using the | |
5504 | WM_CHANGE_STATE type. */ | |
5505 | { | |
5506 | XEvent message; | |
58769bee | 5507 | |
c118dd06 | 5508 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea | 5509 | message.xclient.type = ClientMessage; |
334208b7 | 5510 | message.xclient.message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_change_state; |
16bd92ea JB |
5511 | message.xclient.format = 32; |
5512 | message.xclient.data.l[0] = IconicState; | |
5513 | ||
334208b7 RS |
5514 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5515 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5516 | False, |
5517 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5518 | &message)) | |
dc6f92b8 JB |
5519 | { |
5520 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5521 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 5522 | } |
16bd92ea | 5523 | } |
dc6f92b8 | 5524 | |
58769bee | 5525 | /* X11R3: set the initial_state field of the window manager hints to |
16bd92ea JB |
5526 | IconicState. */ |
5527 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5528 | |
a9c00105 RS |
5529 | if (!FRAME_VISIBLE_P (f)) |
5530 | { | |
5531 | /* If the frame was withdrawn, before, we must map it. */ | |
7f9c7f94 | 5532 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
a9c00105 RS |
5533 | } |
5534 | ||
3a88c238 | 5535 | f->async_iconified = 1; |
dc6f92b8 | 5536 | |
334208b7 | 5537 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5538 | UNBLOCK_INPUT; |
8c002a25 | 5539 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5540 | } |
d047c4eb | 5541 | \f |
c0ff3fab | 5542 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5543 | |
c0ff3fab | 5544 | x_destroy_window (f) |
f676886a | 5545 | struct frame *f; |
dc6f92b8 | 5546 | { |
7f9c7f94 RS |
5547 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
5548 | ||
dc6f92b8 | 5549 | BLOCK_INPUT; |
c0ff3fab | 5550 | |
6186a4a0 RS |
5551 | /* If a display connection is dead, don't try sending more |
5552 | commands to the X server. */ | |
5553 | if (dpyinfo->display != 0) | |
5554 | { | |
5555 | if (f->output_data.x->icon_desc != 0) | |
5556 | XDestroyWindow (FRAME_X_DISPLAY (f), f->output_data.x->icon_desc); | |
31f41daf RS |
5557 | #ifdef HAVE_X_I18N |
5558 | if (FRAME_XIM (f)) | |
5559 | { | |
5560 | XDestroyIC (FRAME_XIC (f)); | |
408be661 RS |
5561 | #if ! defined (SOLARIS2) || defined (HAVE_X11R6) |
5562 | /* This line causes crashes on Solaris with Openwin, | |
5563 | due to an apparent bug in XCloseIM. | |
5564 | X11R6 seems not to have the bug. */ | |
31f41daf | 5565 | XCloseIM (FRAME_XIM (f)); |
a9978dd8 | 5566 | #endif |
31f41daf RS |
5567 | } |
5568 | #endif | |
6186a4a0 | 5569 | XDestroyWindow (FRAME_X_DISPLAY (f), f->output_data.x->window_desc); |
3afe33e7 | 5570 | #ifdef USE_X_TOOLKIT |
6186a4a0 RS |
5571 | XtDestroyWidget (f->output_data.x->widget); |
5572 | free_frame_menubar (f); | |
3afe33e7 RS |
5573 | #endif /* USE_X_TOOLKIT */ |
5574 | ||
6186a4a0 RS |
5575 | free_frame_faces (f); |
5576 | XFlush (FRAME_X_DISPLAY (f)); | |
5577 | } | |
dc6f92b8 | 5578 | |
7556890b RS |
5579 | xfree (f->output_data.x); |
5580 | f->output_data.x = 0; | |
0f941935 KH |
5581 | if (f == dpyinfo->x_focus_frame) |
5582 | dpyinfo->x_focus_frame = 0; | |
5583 | if (f == dpyinfo->x_focus_event_frame) | |
5584 | dpyinfo->x_focus_event_frame = 0; | |
5585 | if (f == dpyinfo->x_highlight_frame) | |
5586 | dpyinfo->x_highlight_frame = 0; | |
c0ff3fab | 5587 | |
7f9c7f94 RS |
5588 | dpyinfo->reference_count--; |
5589 | ||
5590 | if (f == dpyinfo->mouse_face_mouse_frame) | |
dc05a16b | 5591 | { |
7f9c7f94 RS |
5592 | dpyinfo->mouse_face_beg_row |
5593 | = dpyinfo->mouse_face_beg_col = -1; | |
5594 | dpyinfo->mouse_face_end_row | |
5595 | = dpyinfo->mouse_face_end_col = -1; | |
5596 | dpyinfo->mouse_face_window = Qnil; | |
dc05a16b | 5597 | } |
0134a210 | 5598 | |
c0ff3fab | 5599 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5600 | } |
5601 | \f | |
f451eb13 JB |
5602 | /* Setting window manager hints. */ |
5603 | ||
af31d76f RS |
5604 | /* Set the normal size hints for the window manager, for frame F. |
5605 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5606 | that the window now has. | |
5607 | If USER_POSITION is nonzero, we set the USPosition | |
5608 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5609 | |
af31d76f | 5610 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5611 | struct frame *f; |
af31d76f RS |
5612 | long flags; |
5613 | int user_position; | |
dc6f92b8 JB |
5614 | { |
5615 | XSizeHints size_hints; | |
3afe33e7 RS |
5616 | |
5617 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5618 | Arg al[2]; |
5619 | int ac = 0; | |
5620 | Dimension widget_width, widget_height; | |
7556890b | 5621 | Window window = XtWindow (f->output_data.x->widget); |
3afe33e7 | 5622 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5623 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5624 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5625 | |
b72a58fd RS |
5626 | /* Setting PMaxSize caused various problems. */ |
5627 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5628 | |
f676886a JB |
5629 | flexlines = f->height; |
5630 | ||
7556890b RS |
5631 | size_hints.x = f->output_data.x->left_pos; |
5632 | size_hints.y = f->output_data.x->top_pos; | |
7553a6b7 | 5633 | |
7e4f2521 FP |
5634 | #ifdef USE_X_TOOLKIT |
5635 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5636 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
7556890b | 5637 | XtGetValues (f->output_data.x->widget, al, ac); |
7e4f2521 FP |
5638 | size_hints.height = widget_height; |
5639 | size_hints.width = widget_width; | |
5640 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5641 | size_hints.height = PIXEL_HEIGHT (f); |
5642 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5643 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5644 | |
7556890b RS |
5645 | size_hints.width_inc = FONT_WIDTH (f->output_data.x->font); |
5646 | size_hints.height_inc = f->output_data.x->line_height; | |
334208b7 RS |
5647 | size_hints.max_width |
5648 | = FRAME_X_DISPLAY_INFO (f)->width - CHAR_TO_PIXEL_WIDTH (f, 0); | |
5649 | size_hints.max_height | |
5650 | = FRAME_X_DISPLAY_INFO (f)->height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5651 | |
d067ea8b KH |
5652 | /* Calculate the base and minimum sizes. |
5653 | ||
5654 | (When we use the X toolkit, we don't do it here. | |
5655 | Instead we copy the values that the widgets are using, below.) */ | |
5656 | #ifndef USE_X_TOOLKIT | |
b1c884c3 | 5657 | { |
b0342f17 | 5658 | int base_width, base_height; |
0134a210 | 5659 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5660 | |
f451eb13 JB |
5661 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5662 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5663 | |
0134a210 | 5664 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5665 | |
0134a210 RS |
5666 | /* The window manager uses the base width hints to calculate the |
5667 | current number of rows and columns in the frame while | |
5668 | resizing; min_width and min_height aren't useful for this | |
5669 | purpose, since they might not give the dimensions for a | |
5670 | zero-row, zero-column frame. | |
58769bee | 5671 | |
0134a210 RS |
5672 | We use the base_width and base_height members if we have |
5673 | them; otherwise, we set the min_width and min_height members | |
5674 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5675 | |
5676 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5677 | size_hints.flags |= PBaseSize; |
5678 | size_hints.base_width = base_width; | |
5679 | size_hints.base_height = base_height; | |
5680 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5681 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5682 | #else |
0134a210 RS |
5683 | size_hints.min_width = base_width; |
5684 | size_hints.min_height = base_height; | |
b0342f17 | 5685 | #endif |
b1c884c3 | 5686 | } |
dc6f92b8 | 5687 | |
d067ea8b | 5688 | /* If we don't need the old flags, we don't need the old hint at all. */ |
af31d76f | 5689 | if (flags) |
dc6f92b8 | 5690 | { |
d067ea8b KH |
5691 | size_hints.flags |= flags; |
5692 | goto no_read; | |
5693 | } | |
5694 | #endif /* not USE_X_TOOLKIT */ | |
5695 | ||
5696 | { | |
5697 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
5698 | long supplied_return; | |
5699 | int value; | |
af31d76f RS |
5700 | |
5701 | #ifdef HAVE_X11R4 | |
d067ea8b KH |
5702 | value = XGetWMNormalHints (FRAME_X_DISPLAY (f), window, &hints, |
5703 | &supplied_return); | |
af31d76f | 5704 | #else |
d067ea8b | 5705 | value = XGetNormalHints (FRAME_X_DISPLAY (f), window, &hints); |
af31d76f | 5706 | #endif |
58769bee | 5707 | |
d067ea8b KH |
5708 | #ifdef USE_X_TOOLKIT |
5709 | size_hints.base_height = hints.base_height; | |
5710 | size_hints.base_width = hints.base_width; | |
5711 | size_hints.min_height = hints.min_height; | |
5712 | size_hints.min_width = hints.min_width; | |
5713 | #endif | |
5714 | ||
5715 | if (flags) | |
5716 | size_hints.flags |= flags; | |
5717 | else | |
5718 | { | |
5719 | if (value == 0) | |
5720 | hints.flags = 0; | |
5721 | if (hints.flags & PSize) | |
5722 | size_hints.flags |= PSize; | |
5723 | if (hints.flags & PPosition) | |
5724 | size_hints.flags |= PPosition; | |
5725 | if (hints.flags & USPosition) | |
5726 | size_hints.flags |= USPosition; | |
5727 | if (hints.flags & USSize) | |
5728 | size_hints.flags |= USSize; | |
5729 | } | |
5730 | } | |
5731 | ||
5732 | no_read: | |
0134a210 | 5733 | |
af31d76f | 5734 | #ifdef PWinGravity |
7556890b | 5735 | size_hints.win_gravity = f->output_data.x->win_gravity; |
af31d76f | 5736 | size_hints.flags |= PWinGravity; |
dc05a16b | 5737 | |
af31d76f | 5738 | if (user_position) |
6dba1858 | 5739 | { |
af31d76f RS |
5740 | size_hints.flags &= ~ PPosition; |
5741 | size_hints.flags |= USPosition; | |
6dba1858 | 5742 | } |
2554751d | 5743 | #endif /* PWinGravity */ |
6dba1858 | 5744 | |
b0342f17 | 5745 | #ifdef HAVE_X11R4 |
334208b7 | 5746 | XSetWMNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5747 | #else |
334208b7 | 5748 | XSetNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5749 | #endif |
dc6f92b8 JB |
5750 | } |
5751 | ||
5752 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5753 | x_wm_set_window_state (f, state) |
5754 | struct frame *f; | |
dc6f92b8 JB |
5755 | int state; |
5756 | { | |
3afe33e7 | 5757 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
5758 | Arg al[1]; |
5759 | ||
5760 | XtSetArg (al[0], XtNinitialState, state); | |
7556890b | 5761 | XtSetValues (f->output_data.x->widget, al, 1); |
3afe33e7 | 5762 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5763 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5764 | |
7556890b RS |
5765 | f->output_data.x->wm_hints.flags |= StateHint; |
5766 | f->output_data.x->wm_hints.initial_state = state; | |
b1c884c3 | 5767 | |
7556890b | 5768 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); |
546e6d5b | 5769 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5770 | } |
5771 | ||
7f2ae036 | 5772 | x_wm_set_icon_pixmap (f, pixmap_id) |
f676886a | 5773 | struct frame *f; |
7f2ae036 | 5774 | int pixmap_id; |
dc6f92b8 | 5775 | { |
75231bad | 5776 | #ifdef USE_X_TOOLKIT |
7556890b | 5777 | Window window = XtWindow (f->output_data.x->widget); |
75231bad | 5778 | #else |
c118dd06 | 5779 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5780 | #endif |
dc6f92b8 | 5781 | |
7f2ae036 | 5782 | if (pixmap_id > 0) |
dbc4e1c1 | 5783 | { |
7a13e894 | 5784 | Pixmap icon_pixmap = x_bitmap_pixmap (f, pixmap_id); |
7556890b | 5785 | f->output_data.x->wm_hints.icon_pixmap = icon_pixmap; |
dbc4e1c1 JB |
5786 | } |
5787 | else | |
68568555 RS |
5788 | { |
5789 | /* It seems there is no way to turn off use of an icon pixmap. | |
5790 | The following line does it, only if no icon has yet been created, | |
5791 | for some window managers. But with mwm it crashes. | |
5792 | Some people say it should clear the IconPixmapHint bit in this case, | |
5793 | but that doesn't work, and the X consortium said it isn't the | |
5794 | right thing at all. Since there is no way to win, | |
5795 | best to explicitly give up. */ | |
5796 | #if 0 | |
5797 | f->output_data.x->wm_hints.icon_pixmap = None; | |
5798 | #else | |
5799 | return; | |
5800 | #endif | |
5801 | } | |
b1c884c3 | 5802 | |
7556890b RS |
5803 | f->output_data.x->wm_hints.flags |= IconPixmapHint; |
5804 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); | |
dc6f92b8 JB |
5805 | } |
5806 | ||
f676886a JB |
5807 | x_wm_set_icon_position (f, icon_x, icon_y) |
5808 | struct frame *f; | |
dc6f92b8 JB |
5809 | int icon_x, icon_y; |
5810 | { | |
75231bad | 5811 | #ifdef USE_X_TOOLKIT |
7556890b | 5812 | Window window = XtWindow (f->output_data.x->widget); |
75231bad | 5813 | #else |
c118dd06 | 5814 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5815 | #endif |
dc6f92b8 | 5816 | |
7556890b RS |
5817 | f->output_data.x->wm_hints.flags |= IconPositionHint; |
5818 | f->output_data.x->wm_hints.icon_x = icon_x; | |
5819 | f->output_data.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5820 | |
7556890b | 5821 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); |
dc6f92b8 JB |
5822 | } |
5823 | ||
5824 | \f | |
f451eb13 JB |
5825 | /* Initialization. */ |
5826 | ||
3afe33e7 RS |
5827 | #ifdef USE_X_TOOLKIT |
5828 | static XrmOptionDescRec emacs_options[] = { | |
5829 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5830 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5831 | ||
5832 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5833 | XrmoptionSepArg, NULL}, | |
5834 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5835 | ||
5836 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5837 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5838 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5839 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5840 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5841 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
5842 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
5843 | }; | |
5844 | #endif /* USE_X_TOOLKIT */ | |
5845 | ||
7a13e894 RS |
5846 | static int x_initialized; |
5847 | ||
29b38361 KH |
5848 | #ifdef MULTI_KBOARD |
5849 | /* Test whether two display-name strings agree up to the dot that separates | |
5850 | the screen number from the server number. */ | |
5851 | static int | |
5852 | same_x_server (name1, name2) | |
5853 | char *name1, *name2; | |
5854 | { | |
5855 | int seen_colon = 0; | |
5856 | for (; *name1 != '\0' && *name1 == *name2; name1++, name2++) | |
5857 | { | |
5858 | if (*name1 == ':') | |
5859 | seen_colon++; | |
5860 | if (seen_colon && *name1 == '.') | |
5861 | return 1; | |
5862 | } | |
5863 | return (seen_colon | |
5864 | && (*name1 == '.' || *name1 == '\0') | |
5865 | && (*name2 == '.' || *name2 == '\0')); | |
5866 | } | |
5867 | #endif | |
5868 | ||
334208b7 | 5869 | struct x_display_info * |
1f8255f2 | 5870 | x_term_init (display_name, xrm_option, resource_name) |
334208b7 | 5871 | Lisp_Object display_name; |
1f8255f2 RS |
5872 | char *xrm_option; |
5873 | char *resource_name; | |
dc6f92b8 | 5874 | { |
f676886a | 5875 | Lisp_Object frame; |
dc6f92b8 | 5876 | char *defaultvalue; |
334208b7 | 5877 | int connection; |
7a13e894 | 5878 | Display *dpy; |
334208b7 RS |
5879 | struct x_display_info *dpyinfo; |
5880 | XrmDatabase xrdb; | |
5881 | ||
60439948 KH |
5882 | BLOCK_INPUT; |
5883 | ||
7a13e894 RS |
5884 | if (!x_initialized) |
5885 | { | |
5886 | x_initialize (); | |
5887 | x_initialized = 1; | |
5888 | } | |
dc6f92b8 | 5889 | |
6c183ba5 | 5890 | #ifdef HAVE_X_I18N |
6186a4a0 | 5891 | setlocale (LC_ALL, ""); |
333bc6d0 RS |
5892 | /* In case we just overrode what init_lread did, redo it. */ |
5893 | setlocale (LC_NUMERIC, "C"); | |
6c183ba5 RS |
5894 | #endif |
5895 | ||
3afe33e7 | 5896 | #ifdef USE_X_TOOLKIT |
2d7fc7e8 RS |
5897 | /* weiner@footloose.sps.mot.com reports that this causes |
5898 | errors with X11R5: | |
5899 | X protocol error: BadAtom (invalid Atom parameter) | |
5900 | on protocol request 18skiloaf. | |
5901 | So let's not use it until R6. */ | |
5902 | #ifdef HAVE_X11XTR6 | |
bdcd49ba RS |
5903 | XtSetLanguageProc (NULL, NULL, NULL); |
5904 | #endif | |
5905 | ||
7f9c7f94 RS |
5906 | { |
5907 | int argc = 0; | |
5908 | char *argv[3]; | |
5909 | ||
5910 | argv[0] = ""; | |
5911 | argc = 1; | |
5912 | if (xrm_option) | |
5913 | { | |
5914 | argv[argc++] = "-xrm"; | |
5915 | argv[argc++] = xrm_option; | |
5916 | } | |
5917 | dpy = XtOpenDisplay (Xt_app_con, XSTRING (display_name)->data, | |
5918 | resource_name, EMACS_CLASS, | |
5919 | emacs_options, XtNumber (emacs_options), | |
5920 | &argc, argv); | |
39d8bb4d KH |
5921 | |
5922 | #ifdef HAVE_X11XTR6 | |
5923 | setlocale (LC_NUMERIC, "C"); | |
5924 | setlocale (LC_TIME, "C"); | |
5925 | #endif | |
7f9c7f94 | 5926 | } |
3afe33e7 RS |
5927 | |
5928 | #else /* not USE_X_TOOLKIT */ | |
bdcd49ba RS |
5929 | #ifdef HAVE_X11R5 |
5930 | XSetLocaleModifiers (""); | |
5931 | #endif | |
7a13e894 | 5932 | dpy = XOpenDisplay (XSTRING (display_name)->data); |
3afe33e7 | 5933 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5934 | |
7a13e894 RS |
5935 | /* Detect failure. */ |
5936 | if (dpy == 0) | |
60439948 KH |
5937 | { |
5938 | UNBLOCK_INPUT; | |
5939 | return 0; | |
5940 | } | |
7a13e894 RS |
5941 | |
5942 | /* We have definitely succeeded. Record the new connection. */ | |
5943 | ||
5944 | dpyinfo = (struct x_display_info *) xmalloc (sizeof (struct x_display_info)); | |
5945 | ||
29b38361 KH |
5946 | #ifdef MULTI_KBOARD |
5947 | { | |
5948 | struct x_display_info *share; | |
5949 | Lisp_Object tail; | |
5950 | ||
5951 | for (share = x_display_list, tail = x_display_name_list; share; | |
5952 | share = share->next, tail = XCONS (tail)->cdr) | |
5953 | if (same_x_server (XSTRING (XCONS (XCONS (tail)->car)->car)->data, | |
5954 | XSTRING (display_name)->data)) | |
5955 | break; | |
5956 | if (share) | |
5957 | dpyinfo->kboard = share->kboard; | |
5958 | else | |
5959 | { | |
5960 | dpyinfo->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); | |
5961 | init_kboard (dpyinfo->kboard); | |
59e755be KH |
5962 | if (!EQ (XSYMBOL (Qvendor_specific_keysyms)->function, Qunbound)) |
5963 | { | |
5964 | char *vendor = ServerVendor (dpy); | |
5965 | dpyinfo->kboard->Vsystem_key_alist | |
5966 | = call1 (Qvendor_specific_keysyms, | |
5967 | build_string (vendor ? vendor : "")); | |
5968 | } | |
5969 | ||
29b38361 KH |
5970 | dpyinfo->kboard->next_kboard = all_kboards; |
5971 | all_kboards = dpyinfo->kboard; | |
0ad5446c KH |
5972 | /* Don't let the initial kboard remain current longer than necessary. |
5973 | That would cause problems if a file loaded on startup tries to | |
5974 | prompt in the minibuffer. */ | |
5975 | if (current_kboard == initial_kboard) | |
5976 | current_kboard = dpyinfo->kboard; | |
29b38361 KH |
5977 | } |
5978 | dpyinfo->kboard->reference_count++; | |
5979 | } | |
b9737ad3 KH |
5980 | #endif |
5981 | ||
7a13e894 RS |
5982 | /* Put this display on the chain. */ |
5983 | dpyinfo->next = x_display_list; | |
5984 | x_display_list = dpyinfo; | |
5985 | ||
5986 | /* Put it on x_display_name_list as well, to keep them parallel. */ | |
5987 | x_display_name_list = Fcons (Fcons (display_name, Qnil), | |
5988 | x_display_name_list); | |
5989 | dpyinfo->name_list_element = XCONS (x_display_name_list)->car; | |
5990 | ||
5991 | dpyinfo->display = dpy; | |
dc6f92b8 | 5992 | |
dc6f92b8 | 5993 | #if 0 |
7a13e894 | 5994 | XSetAfterFunction (x_current_display, x_trace_wire); |
c118dd06 | 5995 | #endif /* ! 0 */ |
7a13e894 RS |
5996 | |
5997 | dpyinfo->x_id_name | |
5998 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size | |
5999 | + XSTRING (Vsystem_name)->size | |
6000 | + 2); | |
6001 | sprintf (dpyinfo->x_id_name, "%s@%s", | |
6002 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
28430d3c JB |
6003 | |
6004 | /* Figure out which modifier bits mean what. */ | |
334208b7 | 6005 | x_find_modifier_meanings (dpyinfo); |
f451eb13 | 6006 | |
ab648270 | 6007 | /* Get the scroll bar cursor. */ |
7a13e894 | 6008 | dpyinfo->vertical_scroll_bar_cursor |
334208b7 | 6009 | = XCreateFontCursor (dpyinfo->display, XC_sb_v_double_arrow); |
f451eb13 | 6010 | |
334208b7 RS |
6011 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
6012 | resource_name, EMACS_CLASS); | |
6013 | #ifdef HAVE_XRMSETDATABASE | |
6014 | XrmSetDatabase (dpyinfo->display, xrdb); | |
6015 | #else | |
6016 | dpyinfo->display->db = xrdb; | |
6017 | #endif | |
547d9db8 | 6018 | /* Put the rdb where we can find it in a way that works on |
7a13e894 RS |
6019 | all versions. */ |
6020 | dpyinfo->xrdb = xrdb; | |
334208b7 RS |
6021 | |
6022 | dpyinfo->screen = ScreenOfDisplay (dpyinfo->display, | |
6023 | DefaultScreen (dpyinfo->display)); | |
6024 | dpyinfo->visual = select_visual (dpyinfo->display, dpyinfo->screen, | |
6025 | &dpyinfo->n_planes); | |
6026 | dpyinfo->height = HeightOfScreen (dpyinfo->screen); | |
6027 | dpyinfo->width = WidthOfScreen (dpyinfo->screen); | |
6028 | dpyinfo->root_window = RootWindowOfScreen (dpyinfo->screen); | |
6029 | dpyinfo->grabbed = 0; | |
6030 | dpyinfo->reference_count = 0; | |
6031 | dpyinfo->icon_bitmap_id = -1; | |
7a13e894 RS |
6032 | dpyinfo->n_fonts = 0; |
6033 | dpyinfo->font_table_size = 0; | |
6034 | dpyinfo->bitmaps = 0; | |
6035 | dpyinfo->bitmaps_size = 0; | |
6036 | dpyinfo->bitmaps_last = 0; | |
6037 | dpyinfo->scratch_cursor_gc = 0; | |
6038 | dpyinfo->mouse_face_mouse_frame = 0; | |
6039 | dpyinfo->mouse_face_deferred_gc = 0; | |
6040 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
6041 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
6042 | dpyinfo->mouse_face_face_id = 0; | |
6043 | dpyinfo->mouse_face_window = Qnil; | |
6044 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; | |
6045 | dpyinfo->mouse_face_defer = 0; | |
0f941935 KH |
6046 | dpyinfo->x_focus_frame = 0; |
6047 | dpyinfo->x_focus_event_frame = 0; | |
6048 | dpyinfo->x_highlight_frame = 0; | |
334208b7 RS |
6049 | |
6050 | dpyinfo->Xatom_wm_protocols | |
6051 | = XInternAtom (dpyinfo->display, "WM_PROTOCOLS", False); | |
6052 | dpyinfo->Xatom_wm_take_focus | |
6053 | = XInternAtom (dpyinfo->display, "WM_TAKE_FOCUS", False); | |
6054 | dpyinfo->Xatom_wm_save_yourself | |
6055 | = XInternAtom (dpyinfo->display, "WM_SAVE_YOURSELF", False); | |
6056 | dpyinfo->Xatom_wm_delete_window | |
6057 | = XInternAtom (dpyinfo->display, "WM_DELETE_WINDOW", False); | |
6058 | dpyinfo->Xatom_wm_change_state | |
6059 | = XInternAtom (dpyinfo->display, "WM_CHANGE_STATE", False); | |
6060 | dpyinfo->Xatom_wm_configure_denied | |
6061 | = XInternAtom (dpyinfo->display, "WM_CONFIGURE_DENIED", False); | |
6062 | dpyinfo->Xatom_wm_window_moved | |
6063 | = XInternAtom (dpyinfo->display, "WM_MOVED", False); | |
6064 | dpyinfo->Xatom_editres | |
6065 | = XInternAtom (dpyinfo->display, "Editres", False); | |
6066 | dpyinfo->Xatom_CLIPBOARD | |
6067 | = XInternAtom (dpyinfo->display, "CLIPBOARD", False); | |
6068 | dpyinfo->Xatom_TIMESTAMP | |
6069 | = XInternAtom (dpyinfo->display, "TIMESTAMP", False); | |
6070 | dpyinfo->Xatom_TEXT | |
6071 | = XInternAtom (dpyinfo->display, "TEXT", False); | |
6072 | dpyinfo->Xatom_DELETE | |
6073 | = XInternAtom (dpyinfo->display, "DELETE", False); | |
6074 | dpyinfo->Xatom_MULTIPLE | |
6075 | = XInternAtom (dpyinfo->display, "MULTIPLE", False); | |
6076 | dpyinfo->Xatom_INCR | |
6077 | = XInternAtom (dpyinfo->display, "INCR", False); | |
6078 | dpyinfo->Xatom_EMACS_TMP | |
6079 | = XInternAtom (dpyinfo->display, "_EMACS_TMP_", False); | |
6080 | dpyinfo->Xatom_TARGETS | |
6081 | = XInternAtom (dpyinfo->display, "TARGETS", False); | |
6082 | dpyinfo->Xatom_NULL | |
6083 | = XInternAtom (dpyinfo->display, "NULL", False); | |
6084 | dpyinfo->Xatom_ATOM_PAIR | |
6085 | = XInternAtom (dpyinfo->display, "ATOM_PAIR", False); | |
6086 | ||
547d9db8 KH |
6087 | dpyinfo->cut_buffers_initialized = 0; |
6088 | ||
334208b7 RS |
6089 | connection = ConnectionNumber (dpyinfo->display); |
6090 | dpyinfo->connection = connection; | |
6091 | ||
87485d6f MW |
6092 | #ifdef subprocesses |
6093 | /* This is only needed for distinguishing keyboard and process input. */ | |
334208b7 | 6094 | if (connection != 0) |
7a13e894 | 6095 | add_keyboard_wait_descriptor (connection); |
87485d6f | 6096 | #endif |
6d4238f3 | 6097 | |
041b69ac | 6098 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 6099 | #ifdef F_SETOWN |
dc6f92b8 | 6100 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 | 6101 | /* stdin is a socket here */ |
334208b7 | 6102 | fcntl (connection, F_SETOWN, -getpid ()); |
c118dd06 | 6103 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
334208b7 | 6104 | fcntl (connection, F_SETOWN, getpid ()); |
c118dd06 JB |
6105 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
6106 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 6107 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
6108 | |
6109 | #ifdef SIGIO | |
eee20f6a KH |
6110 | if (interrupt_input) |
6111 | init_sigio (connection); | |
c118dd06 | 6112 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 6113 | |
60439948 KH |
6114 | UNBLOCK_INPUT; |
6115 | ||
7a13e894 RS |
6116 | return dpyinfo; |
6117 | } | |
6118 | \f | |
6119 | /* Get rid of display DPYINFO, assuming all frames are already gone, | |
6120 | and without sending any more commands to the X server. */ | |
dc6f92b8 | 6121 | |
7a13e894 RS |
6122 | void |
6123 | x_delete_display (dpyinfo) | |
6124 | struct x_display_info *dpyinfo; | |
6125 | { | |
6126 | delete_keyboard_wait_descriptor (dpyinfo->connection); | |
6127 | ||
6128 | /* Discard this display from x_display_name_list and x_display_list. | |
6129 | We can't use Fdelq because that can quit. */ | |
6130 | if (! NILP (x_display_name_list) | |
6131 | && EQ (XCONS (x_display_name_list)->car, dpyinfo->name_list_element)) | |
6132 | x_display_name_list = XCONS (x_display_name_list)->cdr; | |
6133 | else | |
6134 | { | |
6135 | Lisp_Object tail; | |
6136 | ||
6137 | tail = x_display_name_list; | |
6138 | while (CONSP (tail) && CONSP (XCONS (tail)->cdr)) | |
6139 | { | |
6140 | if (EQ (XCONS (XCONS (tail)->cdr)->car, | |
6141 | dpyinfo->name_list_element)) | |
6142 | { | |
6143 | XCONS (tail)->cdr = XCONS (XCONS (tail)->cdr)->cdr; | |
6144 | break; | |
6145 | } | |
6146 | tail = XCONS (tail)->cdr; | |
6147 | } | |
6148 | } | |
6149 | ||
6150 | if (x_display_list == dpyinfo) | |
6151 | x_display_list = dpyinfo->next; | |
7f9c7f94 RS |
6152 | else |
6153 | { | |
6154 | struct x_display_info *tail; | |
7a13e894 | 6155 | |
7f9c7f94 RS |
6156 | for (tail = x_display_list; tail; tail = tail->next) |
6157 | if (tail->next == dpyinfo) | |
6158 | tail->next = tail->next->next; | |
6159 | } | |
7a13e894 | 6160 | |
0d777288 RS |
6161 | #ifndef USE_X_TOOLKIT /* I'm told Xt does this itself. */ |
6162 | #ifndef AIX /* On AIX, XCloseDisplay calls this. */ | |
7f9c7f94 RS |
6163 | XrmDestroyDatabase (dpyinfo->xrdb); |
6164 | #endif | |
0d777288 | 6165 | #endif |
29b38361 KH |
6166 | #ifdef MULTI_KBOARD |
6167 | if (--dpyinfo->kboard->reference_count == 0) | |
39f79001 | 6168 | delete_kboard (dpyinfo->kboard); |
b9737ad3 KH |
6169 | #endif |
6170 | xfree (dpyinfo->font_table); | |
6171 | xfree (dpyinfo->x_id_name); | |
6172 | xfree (dpyinfo); | |
7a13e894 RS |
6173 | } |
6174 | \f | |
6175 | /* Set up use of X before we make the first connection. */ | |
6176 | ||
6177 | x_initialize () | |
6178 | { | |
f676886a | 6179 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
6180 | clear_end_of_line_hook = XTclear_end_of_line; |
6181 | ins_del_lines_hook = XTins_del_lines; | |
6182 | change_line_highlight_hook = XTchange_line_highlight; | |
6183 | insert_glyphs_hook = XTinsert_glyphs; | |
6184 | write_glyphs_hook = XTwrite_glyphs; | |
6185 | delete_glyphs_hook = XTdelete_glyphs; | |
6186 | ring_bell_hook = XTring_bell; | |
6187 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
6188 | set_terminal_modes_hook = XTset_terminal_modes; | |
6189 | update_begin_hook = XTupdate_begin; | |
6190 | update_end_hook = XTupdate_end; | |
6191 | set_terminal_window_hook = XTset_terminal_window; | |
6192 | read_socket_hook = XTread_socket; | |
b8009dd1 | 6193 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
6194 | cursor_to_hook = XTcursor_to; |
6195 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 6196 | mouse_position_hook = XTmouse_position; |
f451eb13 | 6197 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 6198 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
6199 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
6200 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
6201 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
6202 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
58769bee | 6203 | |
f676886a | 6204 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
6205 | char_ins_del_ok = 0; /* just as fast to write the line */ |
6206 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
6207 | fast_clear_end_of_line = 1; /* X does this well */ | |
58769bee | 6208 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
6209 | off the bottom */ |
6210 | baud_rate = 19200; | |
6211 | ||
7a13e894 RS |
6212 | x_noop_count = 0; |
6213 | ||
b30b24cb RS |
6214 | /* Try to use interrupt input; if we can't, then start polling. */ |
6215 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
6216 | ||
7f9c7f94 RS |
6217 | #ifdef USE_X_TOOLKIT |
6218 | XtToolkitInitialize (); | |
6219 | Xt_app_con = XtCreateApplicationContext (); | |
665881ad | 6220 | XtAppSetFallbackResources (Xt_app_con, Xt_default_resources); |
7f9c7f94 RS |
6221 | #endif |
6222 | ||
58769bee | 6223 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 6224 | original error handler. */ |
334208b7 RS |
6225 | XSetErrorHandler (x_error_quitter); |
6226 | XSetIOErrorHandler (x_io_error_quitter); | |
dc6f92b8 JB |
6227 | |
6228 | /* Disable Window Change signals; they are handled by X events. */ | |
6229 | #ifdef SIGWINCH | |
6230 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 6231 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 6232 | |
92e2441b | 6233 | signal (SIGPIPE, x_connection_signal); |
dc6f92b8 | 6234 | } |
55123275 JB |
6235 | |
6236 | void | |
6237 | syms_of_xterm () | |
6238 | { | |
7a13e894 RS |
6239 | staticpro (&x_display_name_list); |
6240 | x_display_name_list = Qnil; | |
334208b7 | 6241 | |
ab648270 | 6242 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 6243 | last_mouse_scroll_bar = Qnil; |
59e755be KH |
6244 | |
6245 | staticpro (&Qvendor_specific_keysyms); | |
6246 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
55123275 | 6247 | } |
6cf0ae86 RS |
6248 | \f |
6249 | /* Avoid warnings or errors from including Xlibint.h. | |
6250 | We don't need these functions for the rest of this file. */ | |
6251 | #undef bzero | |
6252 | #undef bcopy | |
6253 | #undef bcmp | |
6254 | #undef min | |
6255 | #undef max | |
6256 | ||
6257 | #ifdef X_CONNECTION_LOCK_FLAG | |
6258 | #define free loserfree | |
6259 | #define malloc losermalloc | |
6afcf317 RS |
6260 | #define exit loserexit |
6261 | #define abort loserabort | |
6cf0ae86 RS |
6262 | /* For XlibDisplayWriting */ |
6263 | #include <X11/Xlibint.h> | |
6264 | #endif | |
6265 | ||
6266 | /* Check whether display connection DPYINFO is hung | |
6267 | because its thread-interlock is locked. | |
6268 | If it is, close the connection. | |
6269 | Do nothing if this system does not have a thread interlock. */ | |
6270 | ||
6271 | x_connection_close_if_hung (dpyinfo) | |
6272 | struct x_display_info *dpyinfo; | |
6273 | { | |
6274 | /* This tests (1) whether X_CONNECTION_LOCK_FLAG is defined at all, | |
6275 | and (2) whether the name it is defined as is itself defined. | |
6276 | (It ought to have been defined by Xlibint.h. */ | |
6277 | #if X_CONNECTION_LOCK_FLAG | |
6278 | ||
6279 | if (dpyinfo->display->flags & X_CONNECTION_LOCK_FLAG) | |
6280 | { | |
6281 | /* If the thread-interlock is locked, assume this connection is dead. | |
6282 | This assumes that the library does not make other threads | |
6283 | that can be locking the display legitimately. */ | |
6284 | ||
6285 | dpyinfo->display->flags &= ~X_CONNECTION_LOCK_FLAG; | |
6286 | x_connection_closed (dpyinfo->display, "connection was lost"); | |
6287 | } | |
6288 | #endif /* X_CONNECTION_LOCK_FLAG */ | |
6289 | } | |
6290 | ||
6291 | /* Don't put any additional functions here! */ | |
6292 | ||
6293 | #endif /* not HAVE_X_WINDOWS */ |