Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
f8c25f1b | 2 | Copyright (C) 1989, 1993, 1994, 1995 Free Software Foundation, Inc. |
dc6f92b8 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
4746118a | 8 | the Free Software Foundation; either version 2, or (at your option) |
dc6f92b8 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
3afe33e7 RS |
20 | /* Xt features made by Fred Pierresteguy. */ |
21 | ||
039440c4 RS |
22 | /* On 4.3 these lose if they come after xterm.h. */ |
23 | /* On HP-UX 8.0 signal.h loses if it comes after config.h. */ | |
24 | /* Putting these at the beginning seems to be standard for other .c files. */ | |
039440c4 RS |
25 | #include <signal.h> |
26 | ||
18160b98 | 27 | #include <config.h> |
dc6f92b8 | 28 | |
4846819e RS |
29 | #include <stdio.h> |
30 | ||
3afe33e7 | 31 | /* Need syssignal.h for various externs and definitions that may be required |
bc20ebbf | 32 | by some configurations for calls to signal later in this source file. */ |
3afe33e7 RS |
33 | #include "syssignal.h" |
34 | ||
dc6f92b8 JB |
35 | #ifdef HAVE_X_WINDOWS |
36 | ||
37 | #include "lisp.h" | |
9ac0d9e0 | 38 | #include "blockinput.h" |
dc6f92b8 | 39 | |
dc6f92b8 JB |
40 | /* This may include sys/types.h, and that somehow loses |
41 | if this is not done before the other system files. */ | |
42 | #include "xterm.h" | |
f451eb13 | 43 | #include <X11/cursorfont.h> |
dc6f92b8 | 44 | |
16bd92ea | 45 | #ifndef USG |
dc6f92b8 JB |
46 | /* Load sys/types.h if not already loaded. |
47 | In some systems loading it twice is suicidal. */ | |
48 | #ifndef makedev | |
49 | #include <sys/types.h> | |
c118dd06 JB |
50 | #endif /* makedev */ |
51 | #endif /* USG */ | |
dc6f92b8 JB |
52 | |
53 | #ifdef BSD | |
54 | #include <sys/ioctl.h> | |
c118dd06 | 55 | #endif /* ! defined (BSD) */ |
dc6f92b8 | 56 | |
2d368234 | 57 | #include "systty.h" |
3a2712f9 | 58 | #include "systime.h" |
dc6f92b8 | 59 | |
b8009dd1 | 60 | #ifndef INCLUDED_FCNTL |
dc6f92b8 | 61 | #include <fcntl.h> |
b8009dd1 | 62 | #endif |
dc6f92b8 JB |
63 | #include <ctype.h> |
64 | #include <errno.h> | |
65 | #include <setjmp.h> | |
66 | #include <sys/stat.h> | |
a0a7635f RS |
67 | /* Caused redefinition of DBL_DIG on Netbsd; seems not to be needed. */ |
68 | /* #include <sys/param.h> */ | |
dc6f92b8 | 69 | |
7a13e894 | 70 | #include "frame.h" |
dc6f92b8 JB |
71 | #include "dispextern.h" |
72 | #include "termhooks.h" | |
73 | #include "termopts.h" | |
74 | #include "termchar.h" | |
75 | #if 0 | |
76 | #include "sink.h" | |
77 | #include "sinkmask.h" | |
c118dd06 | 78 | #endif /* ! 0 */ |
dc6f92b8 | 79 | #include "gnu.h" |
dc6f92b8 | 80 | #include "disptab.h" |
dc6f92b8 | 81 | #include "buffer.h" |
f451eb13 | 82 | #include "window.h" |
3b2fa4e6 | 83 | #include "keyboard.h" |
bde7c500 | 84 | #include "intervals.h" |
dc6f92b8 | 85 | |
3afe33e7 | 86 | #ifdef USE_X_TOOLKIT |
9d7e2e3e | 87 | extern void free_frame_menubar (); |
c2df547c | 88 | extern void _XEditResCheckMessages (); |
2224b905 | 89 | extern FRAME_PTR x_menubar_window_to_frame (); |
3afe33e7 RS |
90 | #endif /* USE_X_TOOLKIT */ |
91 | ||
b849c413 RS |
92 | #ifndef USE_X_TOOLKIT |
93 | #define x_any_window_to_frame x_window_to_frame | |
5627c40e | 94 | #define x_top_window_to_frame x_window_to_frame |
b849c413 RS |
95 | #endif |
96 | ||
546e6d5b | 97 | #ifdef USE_X_TOOLKIT |
d067ea8b | 98 | #include "widget.h" |
546e6d5b RS |
99 | #ifndef XtNinitialState |
100 | #define XtNinitialState "initialState" | |
101 | #endif | |
102 | #endif | |
103 | ||
39d8bb4d KH |
104 | #ifdef HAVE_X11XTR6 |
105 | /* So we can do setlocale. */ | |
106 | #include <locale.h> | |
107 | #endif | |
108 | ||
dc6f92b8 JB |
109 | #define min(a,b) ((a)<(b) ? (a) : (b)) |
110 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 111 | \f |
334208b7 RS |
112 | /* This is a chain of structures for all the X displays currently in use. */ |
113 | struct x_display_info *x_display_list; | |
dc6f92b8 | 114 | |
7a13e894 RS |
115 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), |
116 | one for each element of x_display_list and in the same order. | |
117 | NAME is the name of the frame. | |
118 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
119 | Lisp_Object x_display_name_list; | |
f451eb13 | 120 | |
987d2ad1 | 121 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 122 | This is set by update_begin and looked at by all the |
dc6f92b8 | 123 | XT functions. It is zero while not inside an update. |
f676886a JB |
124 | In that case, the XT functions assume that `selected_frame' |
125 | is the frame to apply to. */ | |
d0386f2a | 126 | extern struct frame *updating_frame; |
dc6f92b8 | 127 | |
0134a210 RS |
128 | /* This is a frame waiting to be autoraised, within XTread_socket. */ |
129 | struct frame *pending_autoraise_frame; | |
130 | ||
7f9c7f94 RS |
131 | #ifdef USE_X_TOOLKIT |
132 | /* The application context for Xt use. */ | |
133 | XtAppContext Xt_app_con; | |
665881ad RS |
134 | |
135 | static String Xt_default_resources[] = | |
136 | { | |
137 | 0 | |
138 | }; | |
7f9c7f94 RS |
139 | #endif |
140 | ||
dc6f92b8 JB |
141 | /* During an update, maximum vpos for ins/del line operations to affect. */ |
142 | ||
143 | static int flexlines; | |
144 | ||
145 | /* During an update, nonzero if chars output now should be highlighted. */ | |
146 | ||
147 | static int highlight; | |
148 | ||
149 | /* Nominal cursor position -- where to draw output. | |
150 | During an update, these are different from the cursor-box position. */ | |
151 | ||
152 | static int curs_x; | |
153 | static int curs_y; | |
154 | ||
69388238 RS |
155 | /* Mouse movement. |
156 | ||
157 | In order to avoid asking for motion events and then throwing most | |
158 | of them away or busy-polling the server for mouse positions, we ask | |
159 | the server for pointer motion hints. This means that we get only | |
160 | one event per group of mouse movements. "Groups" are delimited by | |
161 | other kinds of events (focus changes and button clicks, for | |
162 | example), or by XQueryPointer calls; when one of these happens, we | |
163 | get another MotionNotify event the next time the mouse moves. This | |
164 | is at least as efficient as getting motion events when mouse | |
165 | tracking is on, and I suspect only negligibly worse when tracking | |
166 | is off. | |
167 | ||
168 | The silly O'Reilly & Associates Nutshell guides barely document | |
169 | pointer motion hints at all (I think you have to infer how they | |
170 | work from an example), and the description of XQueryPointer doesn't | |
171 | mention that calling it causes you to get another motion hint from | |
172 | the server, which is very important. */ | |
173 | ||
174 | /* Where the mouse was last time we reported a mouse event. */ | |
175 | static FRAME_PTR last_mouse_frame; | |
176 | static XRectangle last_mouse_glyph; | |
177 | ||
178 | /* The scroll bar in which the last X motion event occurred. | |
179 | ||
180 | If the last X motion event occurred in a scroll bar, we set this | |
181 | so XTmouse_position can know whether to report a scroll bar motion or | |
182 | an ordinary motion. | |
183 | ||
184 | If the last X motion event didn't occur in a scroll bar, we set this | |
185 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
186 | static Lisp_Object last_mouse_scroll_bar; | |
187 | ||
69388238 RS |
188 | /* This is a hack. We would really prefer that XTmouse_position would |
189 | return the time associated with the position it returns, but there | |
190 | doesn't seem to be any way to wrest the timestamp from the server | |
191 | along with the position query. So, we just keep track of the time | |
192 | of the last movement we received, and return that in hopes that | |
193 | it's somewhat accurate. */ | |
194 | static Time last_mouse_movement_time; | |
195 | ||
c0a04927 RS |
196 | /* Incremented by XTread_socket whenever it really tries to read events. */ |
197 | #ifdef __STDC__ | |
198 | static int volatile input_signal_count; | |
199 | #else | |
200 | static int input_signal_count; | |
201 | #endif | |
202 | ||
7a13e894 RS |
203 | /* Used locally within XTread_socket. */ |
204 | static int x_noop_count; | |
dc6f92b8 | 205 | |
7a13e894 RS |
206 | /* Initial values of argv and argc. */ |
207 | extern char **initial_argv; | |
208 | extern int initial_argc; | |
dc6f92b8 | 209 | |
7a13e894 | 210 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
dc6f92b8 | 211 | |
7a13e894 RS |
212 | /* Tells if a window manager is present or not. */ |
213 | ||
214 | extern Lisp_Object Vx_no_window_manager; | |
dc6f92b8 JB |
215 | |
216 | /* Nonzero enables some debugging for the X interface code. */ | |
217 | extern int _Xdebug; | |
218 | ||
c2df547c | 219 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 220 | |
dc6f92b8 JB |
221 | extern int errno; |
222 | ||
dfeccd2d | 223 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
224 | extern int extra_keyboard_modifiers; |
225 | ||
59e755be KH |
226 | static Lisp_Object Qvendor_specific_keysyms; |
227 | ||
334208b7 | 228 | extern XrmDatabase x_load_resources (); |
dc6f92b8 | 229 | |
c32cdd9a KH |
230 | extern Lisp_Object x_icon_type (); |
231 | ||
7a13e894 RS |
232 | void x_delete_display (); |
233 | ||
c83febd7 | 234 | static void redraw_previous_char (); |
0cdd0c9f | 235 | static void redraw_following_char (); |
3afe33e7 | 236 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 237 | |
55836b73 | 238 | static int fast_find_position (); |
b8009dd1 RS |
239 | static void note_mouse_highlight (); |
240 | static void clear_mouse_face (); | |
241 | static void show_mouse_face (); | |
58769bee | 242 | static void do_line_dance (); |
b8009dd1 | 243 | |
4746118a JB |
244 | static int XTcursor_to (); |
245 | static int XTclear_end_of_line (); | |
7a13e894 | 246 | static int x_io_error_quitter (); |
2d7fc7e8 RS |
247 | void x_catch_errors (); |
248 | void x_uncatch_errors (); | |
334208b7 | 249 | \f |
9382638d KH |
250 | #if 0 |
251 | /* This is a function useful for recording debugging information | |
252 | about the sequence of occurrences in this file. */ | |
253 | ||
254 | struct record | |
255 | { | |
256 | char *locus; | |
257 | int type; | |
258 | }; | |
259 | ||
260 | struct record event_record[100]; | |
261 | ||
262 | int event_record_index; | |
263 | ||
264 | record_event (locus, type) | |
265 | char *locus; | |
266 | int type; | |
267 | { | |
268 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
269 | event_record_index = 0; | |
270 | ||
271 | event_record[event_record_index].locus = locus; | |
272 | event_record[event_record_index].type = type; | |
273 | event_record_index++; | |
274 | } | |
275 | ||
276 | #endif /* 0 */ | |
277 | \f | |
334208b7 RS |
278 | /* Return the struct x_display_info corresponding to DPY. */ |
279 | ||
280 | struct x_display_info * | |
281 | x_display_info_for_display (dpy) | |
282 | Display *dpy; | |
283 | { | |
284 | struct x_display_info *dpyinfo; | |
285 | ||
286 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
287 | if (dpyinfo->display == dpy) | |
288 | return dpyinfo; | |
16bd92ea | 289 | |
334208b7 RS |
290 | return 0; |
291 | } | |
16bd92ea | 292 | \f |
58769bee | 293 | /* Starting and ending updates. |
f451eb13 JB |
294 | |
295 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
296 | of a frame update. We record in `updating_frame' the identity |
297 | of the frame being updated, so that the XT... functions do not | |
298 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 299 | should never be called except during an update, the only exceptions |
c83febd7 | 300 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 | 301 | |
dc6f92b8 | 302 | static |
f676886a JB |
303 | XTupdate_begin (f) |
304 | struct frame *f; | |
58769bee | 305 | { |
dc6f92b8 JB |
306 | int mask; |
307 | ||
f676886a | 308 | if (f == 0) |
dc6f92b8 JB |
309 | abort (); |
310 | ||
f676886a | 311 | flexlines = f->height; |
dc6f92b8 JB |
312 | highlight = 0; |
313 | ||
dc6f92b8 | 314 | BLOCK_INPUT; |
b8009dd1 | 315 | |
7a13e894 | 316 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
b8009dd1 | 317 | { |
514e4681 | 318 | /* Don't do highlighting for mouse motion during the update. */ |
7a13e894 | 319 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 1; |
37c2c98b RS |
320 | |
321 | /* If the frame needs to be redrawn, | |
322 | simply forget about any prior mouse highlighting. */ | |
9f67f20b | 323 | if (FRAME_GARBAGED_P (f)) |
37c2c98b RS |
324 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = Qnil; |
325 | ||
7a13e894 | 326 | if (!NILP (FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) |
514e4681 RS |
327 | { |
328 | int firstline, lastline, i; | |
7a13e894 | 329 | struct window *w = XWINDOW (FRAME_X_DISPLAY_INFO (f)->mouse_face_window); |
514e4681 RS |
330 | |
331 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
332 | for (firstline = 0; firstline < f->height; firstline++) | |
333 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
334 | break; | |
335 | ||
336 | lastline = f->height; | |
337 | for (i = f->height - 1; i >= 0; i--) | |
338 | { | |
339 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
340 | break; | |
341 | else | |
342 | lastline = i; | |
343 | } | |
344 | ||
345 | /* Can we tell that this update does not affect the window | |
37c2c98b RS |
346 | where the mouse highlight is? If so, no need to turn off. |
347 | Likewise, don't do anything if the frame is garbaged; | |
348 | in that case, the FRAME_CURRENT_GLYPHS that we would use | |
349 | are all wrong, and we will redisplay that line anyway. */ | |
514e4681 RS |
350 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) |
351 | || lastline < XFASTINT (w->top))) | |
7a13e894 | 352 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
514e4681 | 353 | } |
b8009dd1 | 354 | } |
6ccf47d1 | 355 | |
dc6f92b8 JB |
356 | UNBLOCK_INPUT; |
357 | } | |
358 | ||
dc6f92b8 | 359 | static |
f676886a JB |
360 | XTupdate_end (f) |
361 | struct frame *f; | |
58769bee | 362 | { |
dc6f92b8 JB |
363 | int mask; |
364 | ||
dc6f92b8 | 365 | BLOCK_INPUT; |
dc6f92b8 | 366 | |
58769bee | 367 | do_line_dance (); |
f676886a | 368 | x_display_cursor (f, 1); |
dc6f92b8 | 369 | |
7a13e894 RS |
370 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
371 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
b8009dd1 RS |
372 | #if 0 |
373 | /* This fails in the case of having updated only the echo area | |
374 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
375 | has no relation to the current contents, and its charstarts | |
376 | have no relation to the contents of the window-buffer. | |
377 | I don't know a clean way to check | |
378 | for that case. window_end_valid isn't set up yet. */ | |
7a13e894 RS |
379 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
380 | note_mouse_highlight (f, FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
381 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
b8009dd1 RS |
382 | #endif |
383 | ||
334208b7 | 384 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
385 | UNBLOCK_INPUT; |
386 | } | |
b8009dd1 | 387 | |
514e4681 | 388 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
389 | |
390 | static | |
391 | XTframe_up_to_date (f) | |
392 | FRAME_PTR f; | |
393 | { | |
7a13e894 RS |
394 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc |
395 | || f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) | |
514e4681 | 396 | { |
7a13e894 RS |
397 | note_mouse_highlight (FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame, |
398 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
399 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
400 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0; | |
514e4681 | 401 | } |
b8009dd1 | 402 | } |
dc6f92b8 JB |
403 | \f |
404 | /* External interface to control of standout mode. | |
405 | Call this when about to modify line at position VPOS | |
406 | and not change whether it is highlighted. */ | |
407 | ||
408 | XTreassert_line_highlight (new, vpos) | |
409 | int new, vpos; | |
410 | { | |
411 | highlight = new; | |
412 | } | |
413 | ||
414 | /* Call this when about to modify line at position VPOS | |
415 | and change whether it is highlighted. */ | |
416 | ||
417 | static | |
418 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
419 | int new_highlight, vpos, first_unused_hpos; | |
420 | { | |
421 | highlight = new_highlight; | |
422 | XTcursor_to (vpos, 0); | |
f676886a | 423 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
424 | } |
425 | ||
426 | /* This is used when starting Emacs and when restarting after suspend. | |
427 | When starting Emacs, no X window is mapped. And nothing must be done | |
428 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
429 | ||
430 | static | |
431 | XTset_terminal_modes () | |
432 | { | |
433 | } | |
434 | ||
435 | /* This is called when exiting or suspending Emacs. | |
436 | Exiting will make the X-windows go away, and suspending | |
437 | requires no action. */ | |
438 | ||
439 | static | |
440 | XTreset_terminal_modes () | |
441 | { | |
f676886a | 442 | /* XTclear_frame (); */ |
dc6f92b8 JB |
443 | } |
444 | \f | |
f451eb13 JB |
445 | /* Set the nominal cursor position of the frame. |
446 | This is where display update commands will take effect. | |
dc6f92b8 JB |
447 | This does not affect the place where the cursor-box is displayed. */ |
448 | ||
4746118a | 449 | static int |
dc6f92b8 JB |
450 | XTcursor_to (row, col) |
451 | register int row, col; | |
452 | { | |
453 | int mask; | |
454 | int orow = row; | |
455 | ||
456 | curs_x = col; | |
457 | curs_y = row; | |
458 | ||
f676886a | 459 | if (updating_frame == 0) |
dc6f92b8 JB |
460 | { |
461 | BLOCK_INPUT; | |
f676886a | 462 | x_display_cursor (selected_frame, 1); |
334208b7 | 463 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
464 | UNBLOCK_INPUT; |
465 | } | |
466 | } | |
467 | \f | |
468 | /* Display a sequence of N glyphs found at GP. | |
469 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
470 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
471 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
472 | JUST_FOREGROUND if 1 means draw only the foreground; |
473 | don't alter the background. | |
dc6f92b8 | 474 | |
07e34cb0 | 475 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 476 | |
07e34cb0 JB |
477 | Since the display generation code is responsible for calling |
478 | compute_char_face and compute_glyph_face on everything it puts in | |
479 | the display structure, we can assume that the face code on each | |
28f72798 | 480 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
481 | to which we can actually apply intern_face. |
482 | Call this function with input blocked. */ | |
dc6f92b8 | 483 | |
07e34cb0 JB |
484 | #if 1 |
485 | /* This is the multi-face code. */ | |
dc6f92b8 | 486 | |
dc6f92b8 | 487 | static void |
0cdd0c9f | 488 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 489 | struct frame *f; |
dc6f92b8 JB |
490 | int left, top; |
491 | register GLYPH *gp; /* Points to first GLYPH. */ | |
492 | register int n; /* Number of glyphs to display. */ | |
493 | int hl; | |
0cdd0c9f | 494 | int just_foreground; |
dc6f92b8 | 495 | { |
07e34cb0 JB |
496 | /* Holds characters to be displayed. */ |
497 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
498 | register char *cp; /* Steps through buf[]. */ |
499 | register int tlen = GLYPH_TABLE_LENGTH; | |
500 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 501 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 502 | int orig_left = left; |
dc6f92b8 | 503 | |
07e34cb0 | 504 | while (n > 0) |
dc6f92b8 JB |
505 | { |
506 | /* Get the face-code of the next GLYPH. */ | |
507 | int cf, len; | |
508 | int g = *gp; | |
509 | ||
07e34cb0 | 510 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 511 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
512 | |
513 | /* Find the run of consecutive glyphs with the same face-code. | |
514 | Extract their character codes into BUF. */ | |
515 | cp = buf; | |
516 | while (n > 0) | |
517 | { | |
518 | g = *gp; | |
07e34cb0 | 519 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 520 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
521 | break; |
522 | ||
6f63ba79 | 523 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
524 | --n; |
525 | ++gp; | |
526 | } | |
527 | ||
528 | /* LEN gets the length of the run. */ | |
529 | len = cp - buf; | |
530 | ||
531 | /* Now output this run of chars, with the font and pixel values | |
532 | determined by the face code CF. */ | |
07e34cb0 JB |
533 | { |
534 | struct face *face = FRAME_DEFAULT_FACE (f); | |
334208b7 | 535 | XFontStruct *font = FACE_FONT (face); |
07e34cb0 | 536 | GC gc = FACE_GC (face); |
990ba854 | 537 | int stippled = 0; |
07e34cb0 | 538 | |
b8009dd1 RS |
539 | /* HL = 3 means use a mouse face previously chosen. */ |
540 | if (hl == 3) | |
7a13e894 | 541 | cf = FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id; |
b8009dd1 | 542 | |
b73b6aaf RS |
543 | /* First look at the face of the text itself. */ |
544 | if (cf != 0) | |
07e34cb0 | 545 | { |
a07d4bc5 RS |
546 | /* It's possible for the display table to specify |
547 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
548 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
549 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 550 | cf = 0; |
07e34cb0 JB |
551 | |
552 | if (cf == 1) | |
553 | face = FRAME_MODE_LINE_FACE (f); | |
554 | else | |
28f72798 | 555 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
556 | font = FACE_FONT (face); |
557 | gc = FACE_GC (face); | |
990ba854 RS |
558 | if (FACE_STIPPLE (face)) |
559 | stippled = 1; | |
07e34cb0 | 560 | } |
4a4dc352 JB |
561 | |
562 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
563 | else if (hl == 0) |
564 | ; | |
565 | else if (hl == 1) | |
566 | { | |
567 | face = FRAME_MODE_LINE_FACE (f); | |
568 | font = FACE_FONT (face); | |
569 | gc = FACE_GC (face); | |
990ba854 RS |
570 | if (FACE_STIPPLE (face)) |
571 | stippled = 1; | |
b73b6aaf RS |
572 | } |
573 | ||
574 | #define FACE_DEFAULT (~0) | |
575 | ||
576 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 577 | if (hl == 2) |
b73b6aaf | 578 | { |
990ba854 RS |
579 | /* The cursor overrides stippling. */ |
580 | stippled = 0; | |
581 | ||
11dd3d61 | 582 | if ((!face->font |
16f60add | 583 | || face->font == (XFontStruct *) FACE_DEFAULT |
7556890b RS |
584 | || face->font == f->output_data.x->font) |
585 | && face->background == f->output_data.x->background_pixel | |
586 | && face->foreground == f->output_data.x->foreground_pixel) | |
b5cf7a0e | 587 | { |
7556890b | 588 | gc = f->output_data.x->cursor_gc; |
b5cf7a0e JB |
589 | } |
590 | /* Cursor on non-default face: must merge. */ | |
591 | else | |
592 | { | |
593 | XGCValues xgcv; | |
594 | unsigned long mask; | |
595 | ||
7556890b | 596 | xgcv.background = f->output_data.x->cursor_pixel; |
11dd3d61 | 597 | xgcv.foreground = face->background; |
df5a440b RS |
598 | /* If the glyph would be invisible, |
599 | try a different foreground. */ | |
600 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 601 | xgcv.foreground = face->foreground; |
df5a440b | 602 | if (xgcv.foreground == xgcv.background) |
7556890b | 603 | xgcv.foreground = f->output_data.x->cursor_foreground_pixel; |
df5a440b RS |
604 | if (xgcv.foreground == xgcv.background) |
605 | xgcv.foreground = face->foreground; | |
606 | /* Make sure the cursor is distinct from text in this face. */ | |
607 | if (xgcv.background == face->background | |
608 | && xgcv.foreground == face->foreground) | |
609 | { | |
610 | xgcv.background = face->foreground; | |
611 | xgcv.foreground = face->background; | |
612 | } | |
b5cf7a0e JB |
613 | xgcv.font = face->font->fid; |
614 | xgcv.graphics_exposures = 0; | |
615 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
7a13e894 RS |
616 | if (FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc) |
617 | XChangeGC (FRAME_X_DISPLAY (f), | |
618 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc, | |
619 | mask, &xgcv); | |
11dd3d61 | 620 | else |
7a13e894 | 621 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc |
334208b7 | 622 | = XCreateGC (FRAME_X_DISPLAY (f), window, mask, &xgcv); |
7a13e894 | 623 | gc = FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc; |
b73b6aaf | 624 | #if 0 |
11dd3d61 RS |
625 | /* If this code is restored, it must also reset to the default stipple |
626 | if necessary. */ | |
b5cf7a0e | 627 | if (face->stipple && face->stipple != FACE_DEFAULT) |
334208b7 | 628 | XSetStipple (FRAME_X_DISPLAY (f), gc, face->stipple); |
b73b6aaf | 629 | #endif |
b5cf7a0e | 630 | } |
07e34cb0 | 631 | } |
07e34cb0 | 632 | |
16f60add | 633 | if (font == (XFontStruct *) FACE_DEFAULT) |
7556890b | 634 | font = f->output_data.x->font; |
b5cf7a0e | 635 | |
0cdd0c9f | 636 | if (just_foreground) |
334208b7 | 637 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
0cdd0c9f RS |
638 | left, top + FONT_BASE (font), buf, len); |
639 | else | |
640 | { | |
990ba854 RS |
641 | if (stippled) |
642 | { | |
643 | /* Turn stipple on. */ | |
644 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillOpaqueStippled); | |
645 | ||
646 | /* Draw stipple on background. */ | |
334208b7 | 647 | XFillRectangle (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
648 | left, top, |
649 | FONT_WIDTH (font) * len, | |
650 | FONT_HEIGHT (font)); | |
651 | ||
652 | /* Turn stipple off. */ | |
653 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillSolid); | |
654 | ||
655 | /* Draw the text, solidly, onto the stipple pattern. */ | |
334208b7 | 656 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
657 | left, top + FONT_BASE (font), buf, len); |
658 | } | |
659 | else | |
334208b7 | 660 | XDrawImageString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
661 | left, top + FONT_BASE (font), buf, len); |
662 | ||
0cdd0c9f | 663 | /* Clear the rest of the line's height. */ |
7556890b | 664 | if (f->output_data.x->line_height != FONT_HEIGHT (font)) |
334208b7 | 665 | XClearArea (FRAME_X_DISPLAY (f), window, left, |
0cdd0c9f RS |
666 | top + FONT_HEIGHT (font), |
667 | FONT_WIDTH (font) * len, | |
668 | /* This is how many pixels of height | |
669 | we have to clear. */ | |
7556890b | 670 | f->output_data.x->line_height - FONT_HEIGHT (font), |
0cdd0c9f RS |
671 | False); |
672 | } | |
673 | ||
674 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
675 | which often is not up to date yet. */ | |
676 | if (!just_foreground) | |
677 | { | |
678 | if (left == orig_left) | |
679 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
680 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
681 | if (n == 0) | |
682 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
683 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
684 | } | |
685 | #endif | |
07e34cb0 JB |
686 | |
687 | /* We should probably check for XA_UNDERLINE_POSITION and | |
688 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
689 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 690 | { |
4a4dc352 | 691 | int underline_position = 1; |
07e34cb0 | 692 | |
4a4dc352 JB |
693 | if (font->descent <= underline_position) |
694 | underline_position = font->descent - 1; | |
07e34cb0 JB |
695 | |
696 | if (face->underline) | |
334208b7 | 697 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
07e34cb0 JB |
698 | FACE_GC (face), |
699 | left, (top | |
700 | + FONT_BASE (font) | |
701 | + underline_position), | |
702 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 703 | } |
07e34cb0 JB |
704 | |
705 | left += len * FONT_WIDTH (font); | |
706 | } | |
dc6f92b8 JB |
707 | } |
708 | } | |
07e34cb0 JB |
709 | #endif /* 1 */ |
710 | ||
711 | #if 0 | |
712 | /* This is the old single-face code. */ | |
713 | ||
714 | static void | |
715 | dumpglyphs (f, left, top, gp, n, hl, font) | |
716 | struct frame *f; | |
717 | int left, top; | |
718 | register GLYPH *gp; /* Points to first GLYPH. */ | |
719 | register int n; /* Number of glyphs to display. */ | |
720 | int hl; | |
334208b7 | 721 | XFontStruct *font; |
07e34cb0 JB |
722 | { |
723 | register int len; | |
724 | Window window = FRAME_X_WINDOW (f); | |
7556890b RS |
725 | GC drawing_gc = (hl == 2 ? f->output_data.x->cursor_gc |
726 | : (hl ? f->output_data.x->reverse_gc | |
727 | : f->output_data.x->normal_gc)); | |
07e34cb0 JB |
728 | |
729 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
334208b7 | 730 | XDrawImageString16 (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
731 | left, top + FONT_BASE (font), (XChar2b *) gp, n); |
732 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
334208b7 | 733 | XDrawImageString (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
734 | left, top + FONT_BASE (font), (char *) gp, n); |
735 | else | |
736 | /* What size of glyph ARE you using? And does X have a function to | |
737 | draw them? */ | |
738 | abort (); | |
739 | } | |
740 | #endif | |
dc6f92b8 | 741 | \f |
f451eb13 JB |
742 | /* Output some text at the nominal frame cursor position. |
743 | Advance the cursor over the text. | |
dc6f92b8 JB |
744 | Output LEN glyphs at START. |
745 | ||
746 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
747 | controls the pixel values used for foreground and background. */ | |
748 | ||
749 | static | |
750 | XTwrite_glyphs (start, len) | |
751 | register GLYPH *start; | |
752 | int len; | |
753 | { | |
754 | register int temp_length; | |
755 | int mask; | |
f676886a | 756 | struct frame *f; |
dc6f92b8 JB |
757 | |
758 | BLOCK_INPUT; | |
759 | ||
58769bee | 760 | do_line_dance (); |
f676886a JB |
761 | f = updating_frame; |
762 | if (f == 0) | |
dc6f92b8 | 763 | { |
f676886a | 764 | f = selected_frame; |
dc6f92b8 | 765 | /* If not within an update, |
f676886a JB |
766 | output at the frame's visible cursor. */ |
767 | curs_x = f->cursor_x; | |
768 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
769 | } |
770 | ||
f676886a | 771 | dumpglyphs (f, |
12ba150f JB |
772 | CHAR_TO_PIXEL_COL (f, curs_x), |
773 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 774 | start, len, highlight, 0); |
90e65f07 JB |
775 | |
776 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
777 | if (curs_y == f->phys_cursor_y |
778 | && curs_x <= f->phys_cursor_x | |
779 | && curs_x + len > f->phys_cursor_x) | |
780 | f->phys_cursor_x = -1; | |
58769bee | 781 | |
f676886a | 782 | if (updating_frame == 0) |
dc6f92b8 | 783 | { |
f676886a JB |
784 | f->cursor_x += len; |
785 | x_display_cursor (f, 1); | |
786 | f->cursor_x -= len; | |
dc6f92b8 JB |
787 | } |
788 | else | |
789 | curs_x += len; | |
790 | ||
791 | UNBLOCK_INPUT; | |
792 | } | |
793 | \f | |
f451eb13 JB |
794 | /* Clear to the end of the line. |
795 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
796 | to column FIRST_UNUSED (exclusive). The idea is that everything |
797 | from FIRST_UNUSED onward is already erased. */ | |
58769bee | 798 | |
c32cdd9a | 799 | static |
dc6f92b8 JB |
800 | XTclear_end_of_line (first_unused) |
801 | register int first_unused; | |
802 | { | |
f676886a | 803 | struct frame *f = updating_frame; |
dc6f92b8 JB |
804 | int mask; |
805 | ||
f676886a | 806 | if (f == 0) |
dc6f92b8 JB |
807 | abort (); |
808 | ||
f676886a | 809 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
810 | return; |
811 | if (first_unused <= 0) | |
812 | return; | |
813 | ||
f676886a JB |
814 | if (first_unused >= f->width) |
815 | first_unused = f->width; | |
dc6f92b8 JB |
816 | |
817 | BLOCK_INPUT; | |
818 | ||
b30ec466 KH |
819 | do_line_dance (); |
820 | ||
90e65f07 | 821 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
822 | if (curs_y == f->phys_cursor_y |
823 | && curs_x <= f->phys_cursor_x | |
824 | && f->phys_cursor_x < first_unused) | |
825 | f->phys_cursor_x = -1; | |
dc6f92b8 | 826 | |
334208b7 | 827 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
12ba150f JB |
828 | CHAR_TO_PIXEL_COL (f, curs_x), |
829 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
7556890b RS |
830 | FONT_WIDTH (f->output_data.x->font) * (first_unused - curs_x), |
831 | f->output_data.x->line_height, False); | |
c83febd7 | 832 | #if 0 |
0cdd0c9f | 833 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 834 | #endif |
dc6f92b8 JB |
835 | |
836 | UNBLOCK_INPUT; | |
837 | } | |
838 | ||
0cdd0c9f RS |
839 | static |
840 | XTclear_frame () | |
841 | { | |
842 | int mask; | |
843 | struct frame *f = updating_frame; | |
844 | ||
845 | if (f == 0) | |
846 | f = selected_frame; | |
847 | ||
848 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
849 | curs_x = 0; /* Nominal cursor position is top left. */ | |
850 | curs_y = 0; | |
58769bee | 851 | |
0cdd0c9f RS |
852 | BLOCK_INPUT; |
853 | ||
334208b7 | 854 | XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0cdd0c9f RS |
855 | |
856 | /* We have to clear the scroll bars, too. If we have changed | |
857 | colors or something like that, then they should be notified. */ | |
858 | x_scroll_bar_clear (f); | |
859 | ||
334208b7 | 860 | XFlush (FRAME_X_DISPLAY (f)); |
0cdd0c9f RS |
861 | UNBLOCK_INPUT; |
862 | } | |
863 | \f | |
864 | #if 0 | |
865 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
866 | always contain the right glyphs to use. | |
867 | ||
868 | It also needs to be changed to look at the details of the font and | |
869 | see whether there is really overlap, and do nothing when there is | |
870 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
871 | but just how to use them is not clear. */ | |
872 | ||
c83febd7 RS |
873 | /* Erase the character (if any) at the position just before X, Y in frame F, |
874 | then redraw it and the character before it. | |
875 | This is necessary when we erase starting at X, | |
f94397b5 KH |
876 | in case the character after X overlaps into the one before X. |
877 | Call this function with input blocked. */ | |
c83febd7 RS |
878 | |
879 | static void | |
0cdd0c9f | 880 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
881 | FRAME_PTR f; |
882 | int x, y; | |
0cdd0c9f | 883 | int highlight_flag; |
c83febd7 RS |
884 | { |
885 | /* Erase the character before the new ones, in case | |
886 | what was here before overlaps it. | |
887 | Reoutput that character, and the previous character | |
888 | (in case the previous character overlaps it). */ | |
889 | if (x > 0) | |
890 | { | |
891 | int start_x = x - 2; | |
892 | if (start_x < 0) | |
893 | start_x = 0; | |
334208b7 | 894 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
c83febd7 RS |
895 | CHAR_TO_PIXEL_COL (f, x - 1), |
896 | CHAR_TO_PIXEL_ROW (f, y), | |
7556890b RS |
897 | FONT_WIDTH (f->output_data.x->font), |
898 | f->output_data.x->line_height, False); | |
c83febd7 RS |
899 | |
900 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
901 | CHAR_TO_PIXEL_ROW (f, y), | |
902 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 903 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
904 | } |
905 | } | |
906 | ||
0cdd0c9f RS |
907 | /* Erase the character (if any) at the position X, Y in frame F, |
908 | then redraw it and the character after it. | |
909 | This is necessary when we erase endng at X, | |
910 | in case the character after X overlaps into the one before X. | |
911 | Call this function with input blocked. */ | |
912 | ||
913 | static void | |
914 | redraw_following_char (f, x, y, highlight_flag) | |
915 | FRAME_PTR f; | |
916 | int x, y; | |
917 | int highlight_flag; | |
dc6f92b8 | 918 | { |
0cdd0c9f RS |
919 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
920 | /* Erase the character after the new ones, in case | |
921 | what was here before overlaps it. | |
922 | Reoutput that character, and the following character | |
923 | (in case the following character overlaps it). */ | |
924 | if (x < limit | |
925 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
926 | { | |
927 | int end_x = x + 2; | |
928 | if (end_x > limit) | |
929 | end_x = limit; | |
334208b7 | 930 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
931 | CHAR_TO_PIXEL_COL (f, x), |
932 | CHAR_TO_PIXEL_ROW (f, y), | |
7556890b RS |
933 | FONT_WIDTH (f->output_data.x->font), |
934 | f->output_data.x->line_height, False); | |
dc6f92b8 | 935 | |
0cdd0c9f RS |
936 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
937 | CHAR_TO_PIXEL_ROW (f, y), | |
938 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
939 | end_x - x, highlight_flag, 1); | |
940 | } | |
941 | } | |
942 | #endif /* 0 */ | |
943 | \f | |
944 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 945 | |
0cdd0c9f | 946 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 947 | |
0cdd0c9f RS |
948 | static int |
949 | font_char_overlap_left (font, c) | |
950 | XFontStruct *font; | |
951 | int c; | |
952 | { | |
953 | XCharStruct *s; | |
dbc4e1c1 | 954 | |
0cdd0c9f RS |
955 | /* Find the bounding-box info for C. */ |
956 | if (font->per_char == 0) | |
957 | s = &font->max_bounds; | |
958 | else | |
959 | { | |
960 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
961 | int row, within; | |
58769bee | 962 | |
0cdd0c9f RS |
963 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
964 | row = c >> 8; | |
965 | within = c & 0177; | |
966 | if (!(within >= font->min_char_or_byte2 | |
967 | && within <= font->max_char_or_byte2 | |
968 | && row >= font->min_byte1 | |
969 | && row <= font->max_byte1)) | |
970 | { | |
971 | /* If char is out of range, try the font's default char instead. */ | |
972 | c = font->default_char; | |
973 | row = c >> (INTBITS - 8); | |
974 | within = c & 0177; | |
975 | } | |
976 | if (!(within >= font->min_char_or_byte2 | |
977 | && within <= font->max_char_or_byte2 | |
978 | && row >= font->min_byte1 | |
979 | && row <= font->max_byte1)) | |
980 | /* Still out of range means this char does not overlap. */ | |
981 | return 0; | |
982 | else | |
983 | /* We found the info for this char. */ | |
984 | s = (font->per_char + (within - font->min_char_or_byte2) | |
985 | + row * rowlen); | |
986 | } | |
dbc4e1c1 | 987 | |
0cdd0c9f RS |
988 | return (s && s->lbearing < 0); |
989 | } | |
dbc4e1c1 | 990 | |
0cdd0c9f RS |
991 | /* Return 1 if character C in font F extends past its right edge. */ |
992 | ||
993 | static int | |
994 | font_char_overlap_right (font, c) | |
995 | XFontStruct *font; | |
996 | int c; | |
997 | { | |
998 | XCharStruct *s; | |
999 | ||
1000 | /* Find the bounding-box info for C. */ | |
1001 | if (font->per_char == 0) | |
1002 | s = &font->max_bounds; | |
1003 | else | |
1004 | { | |
1005 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1006 | int row, within; | |
58769bee | 1007 | |
0cdd0c9f RS |
1008 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
1009 | row = c >> 8; | |
1010 | within = c & 0177; | |
1011 | if (!(within >= font->min_char_or_byte2 | |
1012 | && within <= font->max_char_or_byte2 | |
1013 | && row >= font->min_byte1 | |
1014 | && row <= font->max_byte1)) | |
1015 | { | |
1016 | /* If char is out of range, try the font's default char instead. */ | |
1017 | c = font->default_char; | |
1018 | row = c >> (INTBITS - 8); | |
1019 | within = c & 0177; | |
1020 | } | |
1021 | if (!(within >= font->min_char_or_byte2 | |
1022 | && within <= font->max_char_or_byte2 | |
1023 | && row >= font->min_byte1 | |
1024 | && row <= font->max_byte1)) | |
1025 | /* Still out of range means this char does not overlap. */ | |
1026 | return 0; | |
1027 | else | |
1028 | /* We found the info for this char. */ | |
1029 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1030 | + row * rowlen); | |
1031 | } | |
1032 | ||
1033 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1034 | } |
0cdd0c9f | 1035 | #endif /* 0 */ |
dc6f92b8 | 1036 | \f |
dbc4e1c1 JB |
1037 | /* Invert the middle quarter of the frame for .15 sec. */ |
1038 | ||
1039 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1040 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1041 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1042 | ||
1043 | /* Subtract the `struct timeval' values X and Y, | |
1044 | storing the result in RESULT. | |
1045 | Return 1 if the difference is negative, otherwise 0. */ | |
1046 | ||
1047 | static int | |
1048 | timeval_subtract (result, x, y) | |
1049 | struct timeval *result, x, y; | |
1050 | { | |
1051 | /* Perform the carry for the later subtraction by updating y. | |
1052 | This is safer because on some systems | |
1053 | the tv_sec member is unsigned. */ | |
1054 | if (x.tv_usec < y.tv_usec) | |
1055 | { | |
1056 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1057 | y.tv_usec -= 1000000 * nsec; | |
1058 | y.tv_sec += nsec; | |
1059 | } | |
1060 | if (x.tv_usec - y.tv_usec > 1000000) | |
1061 | { | |
1062 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1063 | y.tv_usec += 1000000 * nsec; | |
1064 | y.tv_sec -= nsec; | |
1065 | } | |
1066 | ||
1067 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1068 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1069 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1070 | ||
1071 | /* Return indication of whether the result should be considered negative. */ | |
1072 | return x.tv_sec < y.tv_sec; | |
1073 | } | |
dc6f92b8 | 1074 | |
f676886a JB |
1075 | XTflash (f) |
1076 | struct frame *f; | |
dc6f92b8 | 1077 | { |
dbc4e1c1 | 1078 | BLOCK_INPUT; |
dc6f92b8 | 1079 | |
dbc4e1c1 JB |
1080 | { |
1081 | GC gc; | |
dc6f92b8 | 1082 | |
dbc4e1c1 JB |
1083 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1084 | into background pixels. */ | |
1085 | { | |
1086 | XGCValues values; | |
dc6f92b8 | 1087 | |
dbc4e1c1 | 1088 | values.function = GXxor; |
7556890b RS |
1089 | values.foreground = (f->output_data.x->foreground_pixel |
1090 | ^ f->output_data.x->background_pixel); | |
58769bee | 1091 | |
334208b7 | 1092 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
1093 | GCFunction | GCForeground, &values); |
1094 | } | |
dc6f92b8 | 1095 | |
dbc4e1c1 JB |
1096 | { |
1097 | int width = PIXEL_WIDTH (f); | |
1098 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1099 | |
334208b7 | 1100 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1101 | width/4, height/4, width/2, height/2); |
334208b7 | 1102 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 1103 | |
dbc4e1c1 JB |
1104 | { |
1105 | struct timeval wakeup, now; | |
dc6f92b8 | 1106 | |
66c30ea1 | 1107 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1108 | |
dbc4e1c1 JB |
1109 | /* Compute time to wait until, propagating carry from usecs. */ |
1110 | wakeup.tv_usec += 150000; | |
1111 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1112 | wakeup.tv_usec %= 1000000; | |
1113 | ||
1114 | /* Keep waiting until past the time wakeup. */ | |
1115 | while (1) | |
1116 | { | |
1117 | struct timeval timeout; | |
1118 | ||
66c30ea1 | 1119 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1120 | |
1121 | /* In effect, timeout = wakeup - timeout. | |
1122 | Break if result would be negative. */ | |
1123 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1124 | break; | |
1125 | ||
1126 | /* Try to wait that long--but we might wake up sooner. */ | |
c32cdd9a | 1127 | select (0, NULL, NULL, NULL, &timeout); |
dbc4e1c1 JB |
1128 | } |
1129 | } | |
58769bee | 1130 | |
334208b7 | 1131 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1132 | width/4, height/4, width/2, height/2); |
334208b7 RS |
1133 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
1134 | XFlush (FRAME_X_DISPLAY (f)); | |
dc6f92b8 | 1135 | } |
dbc4e1c1 JB |
1136 | } |
1137 | ||
1138 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1139 | } |
1140 | ||
dbc4e1c1 JB |
1141 | #endif |
1142 | ||
1143 | ||
dc6f92b8 JB |
1144 | /* Make audible bell. */ |
1145 | ||
334208b7 | 1146 | #define XRINGBELL XBell (FRAME_X_DISPLAY (selected_frame), 0) |
dc6f92b8 JB |
1147 | |
1148 | XTring_bell () | |
1149 | { | |
334208b7 | 1150 | if (FRAME_X_DISPLAY (selected_frame) == 0) |
5a6ef893 RS |
1151 | return; |
1152 | ||
dbc4e1c1 | 1153 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1154 | if (visible_bell) |
f676886a | 1155 | XTflash (selected_frame); |
dc6f92b8 | 1156 | else |
dbc4e1c1 | 1157 | #endif |
dc6f92b8 JB |
1158 | { |
1159 | BLOCK_INPUT; | |
1160 | XRINGBELL; | |
334208b7 | 1161 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
1162 | UNBLOCK_INPUT; |
1163 | } | |
1164 | } | |
1165 | \f | |
f451eb13 JB |
1166 | /* Insert and delete character. |
1167 | These are not supposed to be used because we are supposed to turn | |
1168 | off the feature of using them. */ | |
dc6f92b8 | 1169 | |
58769bee | 1170 | static |
dc6f92b8 JB |
1171 | XTinsert_glyphs (start, len) |
1172 | register char *start; | |
1173 | register int len; | |
1174 | { | |
1175 | abort (); | |
1176 | } | |
1177 | ||
58769bee | 1178 | static |
dc6f92b8 JB |
1179 | XTdelete_glyphs (n) |
1180 | register int n; | |
1181 | { | |
1182 | abort (); | |
1183 | } | |
1184 | \f | |
1185 | /* Specify how many text lines, from the top of the window, | |
1186 | should be affected by insert-lines and delete-lines operations. | |
1187 | This, and those operations, are used only within an update | |
1188 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1189 | ||
1190 | static | |
1191 | XTset_terminal_window (n) | |
1192 | register int n; | |
1193 | { | |
f676886a | 1194 | if (updating_frame == 0) |
dc6f92b8 JB |
1195 | abort (); |
1196 | ||
f676886a JB |
1197 | if ((n <= 0) || (n > updating_frame->height)) |
1198 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1199 | else |
1200 | flexlines = n; | |
1201 | } | |
1202 | \f | |
7a13e894 RS |
1203 | /* These variables need not be per frame |
1204 | because redisplay is done on a frame-by-frame basis | |
1205 | and the line dance for one frame is finished before | |
1206 | anything is done for anoter frame. */ | |
1207 | ||
58769bee KH |
1208 | /* Array of line numbers from cached insert/delete operations. |
1209 | line_dance[i] is the old position of the line that we want | |
1210 | to move to line i, or -1 if we want a blank line there. */ | |
1211 | static int *line_dance; | |
dc6f92b8 | 1212 | |
58769bee KH |
1213 | /* Allocated length of that array. */ |
1214 | static int line_dance_len; | |
dc6f92b8 | 1215 | |
58769bee KH |
1216 | /* Flag indicating whether we've done any work. */ |
1217 | static int line_dance_in_progress; | |
dc6f92b8 | 1218 | |
58769bee KH |
1219 | /* Perform an insert-lines or delete-lines operation, |
1220 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1221 | XTins_del_lines (vpos, n) | |
1222 | int vpos, n; | |
dc6f92b8 | 1223 | { |
58769bee | 1224 | register int fence, i; |
dc6f92b8 | 1225 | |
58769bee | 1226 | if (vpos >= flexlines) |
dc6f92b8 JB |
1227 | return; |
1228 | ||
58769bee | 1229 | if (!line_dance_in_progress) |
dc6f92b8 | 1230 | { |
58769bee KH |
1231 | int ht = updating_frame->height; |
1232 | if (ht > line_dance_len) | |
1233 | { | |
1234 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); | |
1235 | line_dance_len = ht; | |
1236 | } | |
1237 | for (i = 0; i < ht; ++i) line_dance[i] = i; | |
1238 | line_dance_in_progress = 1; | |
1239 | } | |
1240 | if (n >= 0) | |
1241 | { | |
1242 | if (n > flexlines - vpos) | |
1243 | n = flexlines - vpos; | |
1244 | fence = vpos + n; | |
1245 | for (i = flexlines; --i >= fence;) | |
1246 | line_dance[i] = line_dance[i-n]; | |
1247 | for (i = fence; --i >= vpos;) | |
1248 | line_dance[i] = -1; | |
dc6f92b8 JB |
1249 | } |
1250 | else | |
1251 | { | |
58769bee KH |
1252 | n = -n; |
1253 | if (n > flexlines - vpos) | |
1254 | n = flexlines - vpos; | |
1255 | fence = flexlines - n; | |
1256 | for (i = vpos; i < fence; ++i) | |
1257 | line_dance[i] = line_dance[i + n]; | |
1258 | for (i = fence; i < flexlines; ++i) | |
1259 | line_dance[i] = -1; | |
dc6f92b8 JB |
1260 | } |
1261 | } | |
1262 | ||
58769bee KH |
1263 | /* Here's where we actually move the pixels around. |
1264 | Must be called with input blocked. */ | |
1265 | static void | |
1266 | do_line_dance () | |
dc6f92b8 | 1267 | { |
58769bee KH |
1268 | register int i, j, distance; |
1269 | register struct frame *f; | |
1270 | int ht; | |
1271 | int intborder; | |
1272 | ||
1273 | /* Must check this flag first. If it's not set, then not only is the | |
1274 | array uninitialized, but we might not even have a frame. */ | |
1275 | if (!line_dance_in_progress) | |
1276 | return; | |
1277 | ||
1278 | f = updating_frame; | |
1279 | if (f == 0) | |
dc6f92b8 JB |
1280 | abort (); |
1281 | ||
58769bee | 1282 | ht = f->height; |
7556890b | 1283 | intborder = f->output_data.x->internal_border_width; |
58769bee | 1284 | |
f676886a | 1285 | x_display_cursor (updating_frame, 0); |
dc6f92b8 | 1286 | |
58769bee KH |
1287 | for (i = 0; i < ht; ++i) |
1288 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) | |
1289 | { | |
1290 | for (j = i; (j < ht && line_dance[j] != -1 | |
1291 | && line_dance[j]-j == distance); ++j); | |
1292 | /* Copy [i,j) upward from [i+distance,j+distance) */ | |
334208b7 | 1293 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 1294 | FRAME_X_WINDOW (f), f->output_data.x->normal_gc, |
58769bee | 1295 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), |
7556890b RS |
1296 | f->width * FONT_WIDTH (f->output_data.x->font), |
1297 | (j-i) * f->output_data.x->line_height, | |
58769bee KH |
1298 | intborder, CHAR_TO_PIXEL_ROW (f, i)); |
1299 | i = j-1; | |
1300 | } | |
dc6f92b8 | 1301 | |
58769bee KH |
1302 | for (i = ht; --i >=0; ) |
1303 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) | |
1304 | { | |
1305 | for (j = i; (--j >= 0 && line_dance[j] != -1 | |
0ccf5d73 | 1306 | && line_dance[j]-j == distance);); |
58769bee | 1307 | /* Copy (j,i] downward from (j+distance, i+distance] */ |
334208b7 | 1308 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 1309 | FRAME_X_WINDOW (f), f->output_data.x->normal_gc, |
58769bee | 1310 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), |
7556890b RS |
1311 | f->width * FONT_WIDTH (f->output_data.x->font), |
1312 | (i-j) * f->output_data.x->line_height, | |
58769bee KH |
1313 | intborder, CHAR_TO_PIXEL_ROW (f, j+1)); |
1314 | i = j+1; | |
1315 | } | |
1316 | ||
1317 | for (i = 0; i < ht; ++i) | |
1318 | if (line_dance[i] == -1) | |
1319 | { | |
1320 | for (j = i; j < ht && line_dance[j] == -1; ++j); | |
1321 | /* Clear [i,j) */ | |
334208b7 | 1322 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee | 1323 | intborder, CHAR_TO_PIXEL_ROW (f, i), |
7556890b RS |
1324 | f->width * FONT_WIDTH (f->output_data.x->font), |
1325 | (j-i) * f->output_data.x->line_height, False); | |
58769bee KH |
1326 | i = j-1; |
1327 | } | |
1328 | line_dance_in_progress = 0; | |
dc6f92b8 JB |
1329 | } |
1330 | \f | |
f451eb13 | 1331 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1332 | static void clear_cursor (); |
1333 | ||
f676886a JB |
1334 | /* Output into a rectangle of an X-window (for frame F) |
1335 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1336 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1337 | ROWS and COLS are the size of the rectangle. |
1338 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1339 | |
1340 | static void | |
f676886a JB |
1341 | dumprectangle (f, left, top, cols, rows) |
1342 | struct frame *f; | |
dc6f92b8 JB |
1343 | register int left, top, cols, rows; |
1344 | { | |
f676886a | 1345 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1346 | int cursor_cleared = 0; |
1347 | int bottom, right; | |
1348 | register int y; | |
1349 | ||
f676886a | 1350 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1351 | return; |
1352 | ||
dc6f92b8 JB |
1353 | /* Express rectangle as four edges, instead of position-and-size. */ |
1354 | bottom = top + rows; | |
1355 | right = left + cols; | |
58769bee | 1356 | |
dc6f92b8 JB |
1357 | /* Convert rectangle edges in pixels to edges in chars. |
1358 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1359 | top = PIXEL_TO_CHAR_ROW (f, top); |
1360 | left = PIXEL_TO_CHAR_COL (f, left); | |
7556890b RS |
1361 | bottom += (f->output_data.x->line_height - 1); |
1362 | right += (FONT_WIDTH (f->output_data.x->font) - 1); | |
12ba150f JB |
1363 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1364 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1365 | |
1366 | /* Clip the rectangle to what can be visible. */ | |
1367 | if (left < 0) | |
1368 | left = 0; | |
1369 | if (top < 0) | |
1370 | top = 0; | |
f676886a JB |
1371 | if (right > f->width) |
1372 | right = f->width; | |
1373 | if (bottom > f->height) | |
1374 | bottom = f->height; | |
dc6f92b8 JB |
1375 | |
1376 | /* Get size in chars of the rectangle. */ | |
1377 | cols = right - left; | |
1378 | rows = bottom - top; | |
1379 | ||
1380 | /* If rectangle has zero area, return. */ | |
1381 | if (rows <= 0) return; | |
1382 | if (cols <= 0) return; | |
1383 | ||
1384 | /* Turn off the cursor if it is in the rectangle. | |
1385 | We will turn it back on afterward. */ | |
f676886a JB |
1386 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1387 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1388 | { |
f676886a | 1389 | clear_cursor (f); |
dc6f92b8 JB |
1390 | cursor_cleared = 1; |
1391 | } | |
1392 | ||
1393 | /* Display the text in the rectangle, one text line at a time. */ | |
1394 | ||
1395 | for (y = top; y < bottom; y++) | |
1396 | { | |
f676886a | 1397 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1398 | |
f676886a | 1399 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1400 | continue; |
1401 | ||
f676886a | 1402 | dumpglyphs (f, |
12ba150f JB |
1403 | CHAR_TO_PIXEL_COL (f, left), |
1404 | CHAR_TO_PIXEL_ROW (f, y), | |
1405 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1406 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1407 | } |
1408 | ||
1409 | /* Turn the cursor on if we turned it off. */ | |
1410 | ||
1411 | if (cursor_cleared) | |
f676886a | 1412 | x_display_cursor (f, 1); |
dc6f92b8 | 1413 | } |
dc6f92b8 | 1414 | \f |
dc6f92b8 | 1415 | static void |
334208b7 RS |
1416 | frame_highlight (f) |
1417 | struct frame *f; | |
dc6f92b8 | 1418 | { |
b3e1e05c JB |
1419 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1420 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1421 | and border pixel are window attributes which are "private to the | |
1422 | client", so we can always change it to whatever we want. */ | |
1423 | BLOCK_INPUT; | |
334208b7 | 1424 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 1425 | f->output_data.x->border_pixel); |
b3e1e05c | 1426 | UNBLOCK_INPUT; |
5d46f928 | 1427 | x_update_cursor (f, 1); |
dc6f92b8 JB |
1428 | } |
1429 | ||
1430 | static void | |
334208b7 RS |
1431 | frame_unhighlight (f) |
1432 | struct frame *f; | |
dc6f92b8 | 1433 | { |
b3e1e05c JB |
1434 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1435 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1436 | and border pixel are window attributes which are "private to the | |
1437 | client", so we can always change it to whatever we want. */ | |
1438 | BLOCK_INPUT; | |
334208b7 | 1439 | XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 1440 | f->output_data.x->border_tile); |
b3e1e05c | 1441 | UNBLOCK_INPUT; |
5d46f928 | 1442 | x_update_cursor (f, 1); |
dc6f92b8 | 1443 | } |
dc6f92b8 | 1444 | |
f676886a | 1445 | static void XTframe_rehighlight (); |
0f941935 | 1446 | static void x_frame_rehighlight (); |
6d4238f3 | 1447 | |
f676886a JB |
1448 | /* The focus has changed. Update the frames as necessary to reflect |
1449 | the new situation. Note that we can't change the selected frame | |
c5acd733 | 1450 | here, because the Lisp code we are interrupting might become confused. |
eb8c3be9 | 1451 | Each event gets marked with the frame in which it occurred, so the |
c5acd733 | 1452 | Lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1453 | |
6d4238f3 | 1454 | static void |
0f941935 KH |
1455 | x_new_focus_frame (dpyinfo, frame) |
1456 | struct x_display_info *dpyinfo; | |
f676886a | 1457 | struct frame *frame; |
dc6f92b8 | 1458 | { |
0f941935 | 1459 | struct frame *old_focus = dpyinfo->x_focus_frame; |
dc6f92b8 JB |
1460 | int events_enqueued = 0; |
1461 | ||
0f941935 | 1462 | if (frame != dpyinfo->x_focus_frame) |
dc6f92b8 | 1463 | { |
58769bee | 1464 | /* Set this before calling other routines, so that they see |
f676886a | 1465 | the correct value of x_focus_frame. */ |
0f941935 | 1466 | dpyinfo->x_focus_frame = frame; |
6d4238f3 JB |
1467 | |
1468 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1469 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1470 | |
1471 | #if 0 | |
f676886a | 1472 | selected_frame = frame; |
e0c1aef2 KH |
1473 | XSETFRAME (XWINDOW (selected_frame->selected_window)->frame, |
1474 | selected_frame); | |
f676886a JB |
1475 | Fselect_window (selected_frame->selected_window); |
1476 | choose_minibuf_frame (); | |
c118dd06 | 1477 | #endif /* ! 0 */ |
dc6f92b8 | 1478 | |
0f941935 KH |
1479 | if (dpyinfo->x_focus_frame && dpyinfo->x_focus_frame->auto_raise) |
1480 | pending_autoraise_frame = dpyinfo->x_focus_frame; | |
0134a210 RS |
1481 | else |
1482 | pending_autoraise_frame = 0; | |
6d4238f3 | 1483 | } |
dc6f92b8 | 1484 | |
0f941935 | 1485 | x_frame_rehighlight (dpyinfo); |
6d4238f3 JB |
1486 | } |
1487 | ||
37c2c98b RS |
1488 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ |
1489 | ||
1490 | void | |
0f941935 KH |
1491 | x_mouse_leave (dpyinfo) |
1492 | struct x_display_info *dpyinfo; | |
37c2c98b | 1493 | { |
0f941935 | 1494 | x_new_focus_frame (dpyinfo, dpyinfo->x_focus_event_frame); |
37c2c98b | 1495 | } |
6d4238f3 | 1496 | |
f451eb13 JB |
1497 | /* The focus has changed, or we have redirected a frame's focus to |
1498 | another frame (this happens when a frame uses a surrogate | |
0f941935 KH |
1499 | minibuffer frame). Shift the highlight as appropriate. |
1500 | ||
1501 | The FRAME argument doesn't necessarily have anything to do with which | |
1502 | frame is being highlighted or unhighlighted; we only use it to find | |
1503 | the appropriate X display info. */ | |
6d4238f3 | 1504 | static void |
0f941935 KH |
1505 | XTframe_rehighlight (frame) |
1506 | struct frame *frame; | |
6d4238f3 | 1507 | { |
0f941935 KH |
1508 | x_frame_rehighlight (FRAME_X_DISPLAY_INFO (frame)); |
1509 | } | |
6d4238f3 | 1510 | |
0f941935 KH |
1511 | static void |
1512 | x_frame_rehighlight (dpyinfo) | |
1513 | struct x_display_info *dpyinfo; | |
1514 | { | |
1515 | struct frame *old_highlight = dpyinfo->x_highlight_frame; | |
1516 | ||
1517 | if (dpyinfo->x_focus_frame) | |
6d4238f3 | 1518 | { |
0f941935 KH |
1519 | dpyinfo->x_highlight_frame |
1520 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))) | |
1521 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame)) | |
1522 | : dpyinfo->x_focus_frame); | |
1523 | if (! FRAME_LIVE_P (dpyinfo->x_highlight_frame)) | |
f451eb13 | 1524 | { |
0f941935 KH |
1525 | FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame) = Qnil; |
1526 | dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame; | |
f451eb13 | 1527 | } |
dc6f92b8 | 1528 | } |
6d4238f3 | 1529 | else |
0f941935 | 1530 | dpyinfo->x_highlight_frame = 0; |
dc6f92b8 | 1531 | |
0f941935 | 1532 | if (dpyinfo->x_highlight_frame != old_highlight) |
6d4238f3 JB |
1533 | { |
1534 | if (old_highlight) | |
f676886a | 1535 | frame_unhighlight (old_highlight); |
0f941935 KH |
1536 | if (dpyinfo->x_highlight_frame) |
1537 | frame_highlight (dpyinfo->x_highlight_frame); | |
6d4238f3 | 1538 | } |
dc6f92b8 JB |
1539 | } |
1540 | \f | |
e4571a43 | 1541 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1542 | |
28430d3c JB |
1543 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1544 | static void | |
334208b7 RS |
1545 | x_find_modifier_meanings (dpyinfo) |
1546 | struct x_display_info *dpyinfo; | |
28430d3c | 1547 | { |
f689eb05 | 1548 | int min_code, max_code; |
28430d3c JB |
1549 | KeySym *syms; |
1550 | int syms_per_code; | |
1551 | XModifierKeymap *mods; | |
1552 | ||
334208b7 RS |
1553 | dpyinfo->meta_mod_mask = 0; |
1554 | dpyinfo->shift_lock_mask = 0; | |
1555 | dpyinfo->alt_mod_mask = 0; | |
1556 | dpyinfo->super_mod_mask = 0; | |
1557 | dpyinfo->hyper_mod_mask = 0; | |
58769bee | 1558 | |
9658a521 | 1559 | #ifdef HAVE_X11R4 |
334208b7 | 1560 | XDisplayKeycodes (dpyinfo->display, &min_code, &max_code); |
9658a521 | 1561 | #else |
334208b7 RS |
1562 | min_code = display->min_keycode; |
1563 | max_code = display->max_keycode; | |
9658a521 JB |
1564 | #endif |
1565 | ||
334208b7 | 1566 | syms = XGetKeyboardMapping (dpyinfo->display, |
28430d3c JB |
1567 | min_code, max_code - min_code + 1, |
1568 | &syms_per_code); | |
334208b7 | 1569 | mods = XGetModifierMapping (dpyinfo->display); |
28430d3c | 1570 | |
58769bee | 1571 | /* Scan the modifier table to see which modifier bits the Meta and |
11edeb03 | 1572 | Alt keysyms are on. */ |
28430d3c JB |
1573 | { |
1574 | int row, col; /* The row and column in the modifier table. */ | |
1575 | ||
1576 | for (row = 3; row < 8; row++) | |
1577 | for (col = 0; col < mods->max_keypermod; col++) | |
1578 | { | |
0299d313 RS |
1579 | KeyCode code |
1580 | = mods->modifiermap[(row * mods->max_keypermod) + col]; | |
28430d3c | 1581 | |
af92970c KH |
1582 | /* Zeroes are used for filler. Skip them. */ |
1583 | if (code == 0) | |
1584 | continue; | |
1585 | ||
28430d3c JB |
1586 | /* Are any of this keycode's keysyms a meta key? */ |
1587 | { | |
1588 | int code_col; | |
1589 | ||
1590 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1591 | { | |
f689eb05 | 1592 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1593 | |
f689eb05 | 1594 | switch (sym) |
28430d3c | 1595 | { |
f689eb05 JB |
1596 | case XK_Meta_L: |
1597 | case XK_Meta_R: | |
334208b7 | 1598 | dpyinfo->meta_mod_mask |= (1 << row); |
28430d3c | 1599 | break; |
f689eb05 JB |
1600 | |
1601 | case XK_Alt_L: | |
1602 | case XK_Alt_R: | |
334208b7 | 1603 | dpyinfo->alt_mod_mask |= (1 << row); |
a3c44b14 RS |
1604 | break; |
1605 | ||
1606 | case XK_Hyper_L: | |
1607 | case XK_Hyper_R: | |
334208b7 | 1608 | dpyinfo->hyper_mod_mask |= (1 << row); |
a3c44b14 RS |
1609 | break; |
1610 | ||
1611 | case XK_Super_L: | |
1612 | case XK_Super_R: | |
334208b7 | 1613 | dpyinfo->super_mod_mask |= (1 << row); |
f689eb05 | 1614 | break; |
11edeb03 JB |
1615 | |
1616 | case XK_Shift_Lock: | |
1617 | /* Ignore this if it's not on the lock modifier. */ | |
1618 | if ((1 << row) == LockMask) | |
334208b7 | 1619 | dpyinfo->shift_lock_mask = LockMask; |
11edeb03 | 1620 | break; |
28430d3c JB |
1621 | } |
1622 | } | |
1623 | } | |
1624 | } | |
1625 | } | |
1626 | ||
f689eb05 | 1627 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
334208b7 | 1628 | if (! dpyinfo->meta_mod_mask) |
a3c44b14 | 1629 | { |
334208b7 RS |
1630 | dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask; |
1631 | dpyinfo->alt_mod_mask = 0; | |
a3c44b14 | 1632 | } |
f689eb05 | 1633 | |
148c4b70 RS |
1634 | /* If some keys are both alt and meta, |
1635 | make them just meta, not alt. */ | |
334208b7 | 1636 | if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask) |
148c4b70 | 1637 | { |
334208b7 | 1638 | dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask; |
148c4b70 | 1639 | } |
58769bee | 1640 | |
28430d3c | 1641 | XFree ((char *) syms); |
f689eb05 | 1642 | XFreeModifiermap (mods); |
28430d3c JB |
1643 | } |
1644 | ||
dfeccd2d JB |
1645 | /* Convert between the modifier bits X uses and the modifier bits |
1646 | Emacs uses. */ | |
7c5283e4 | 1647 | static unsigned int |
334208b7 RS |
1648 | x_x_to_emacs_modifiers (dpyinfo, state) |
1649 | struct x_display_info *dpyinfo; | |
dc6f92b8 JB |
1650 | unsigned int state; |
1651 | { | |
334208b7 RS |
1652 | return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0) |
1653 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
1654 | | ((state & dpyinfo->meta_mod_mask) ? meta_modifier : 0) | |
1655 | | ((state & dpyinfo->alt_mod_mask) ? alt_modifier : 0) | |
1656 | | ((state & dpyinfo->super_mod_mask) ? super_modifier : 0) | |
1657 | | ((state & dpyinfo->hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1658 | } |
1659 | ||
dfeccd2d | 1660 | static unsigned int |
334208b7 RS |
1661 | x_emacs_to_x_modifiers (dpyinfo, state) |
1662 | struct x_display_info *dpyinfo; | |
dfeccd2d JB |
1663 | unsigned int state; |
1664 | { | |
334208b7 RS |
1665 | return ( ((state & alt_modifier) ? dpyinfo->alt_mod_mask : 0) |
1666 | | ((state & super_modifier) ? dpyinfo->super_mod_mask : 0) | |
1667 | | ((state & hyper_modifier) ? dpyinfo->hyper_mod_mask : 0) | |
1668 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1669 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1670 | | ((state & meta_modifier) ? dpyinfo->meta_mod_mask : 0)); | |
dfeccd2d | 1671 | } |
d047c4eb KH |
1672 | |
1673 | /* Convert a keysym to its name. */ | |
1674 | ||
1675 | char * | |
1676 | x_get_keysym_name (keysym) | |
1677 | KeySym keysym; | |
1678 | { | |
1679 | char *value; | |
1680 | ||
1681 | BLOCK_INPUT; | |
1682 | value = XKeysymToString (keysym); | |
1683 | UNBLOCK_INPUT; | |
1684 | ||
1685 | return value; | |
1686 | } | |
e4571a43 JB |
1687 | \f |
1688 | /* Mouse clicks and mouse movement. Rah. */ | |
e4571a43 JB |
1689 | |
1690 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1691 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1692 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1693 | If NOCLIP is nonzero, do not force the value into range. */ | |
1694 | ||
c8dba240 | 1695 | void |
69388238 | 1696 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1697 | FRAME_PTR f; |
69388238 | 1698 | register int pix_x, pix_y; |
e4571a43 JB |
1699 | register int *x, *y; |
1700 | XRectangle *bounds; | |
69388238 | 1701 | int noclip; |
e4571a43 | 1702 | { |
69388238 RS |
1703 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1704 | even for negative values. */ | |
1705 | if (pix_x < 0) | |
7556890b | 1706 | pix_x -= FONT_WIDTH ((f)->output_data.x->font) - 1; |
69388238 | 1707 | if (pix_y < 0) |
7556890b | 1708 | pix_y -= (f)->output_data.x->line_height - 1; |
69388238 | 1709 | |
e4571a43 JB |
1710 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1711 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1712 | ||
1713 | if (bounds) | |
1714 | { | |
7556890b RS |
1715 | bounds->width = FONT_WIDTH (f->output_data.x->font); |
1716 | bounds->height = f->output_data.x->line_height; | |
e4571a43 JB |
1717 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1718 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1719 | } | |
1720 | ||
69388238 RS |
1721 | if (!noclip) |
1722 | { | |
1723 | if (pix_x < 0) | |
1724 | pix_x = 0; | |
1725 | else if (pix_x > f->width) | |
1726 | pix_x = f->width; | |
1727 | ||
1728 | if (pix_y < 0) | |
1729 | pix_y = 0; | |
1730 | else if (pix_y > f->height) | |
1731 | pix_y = f->height; | |
1732 | } | |
e4571a43 JB |
1733 | |
1734 | *x = pix_x; | |
1735 | *y = pix_y; | |
1736 | } | |
1737 | ||
2b5c9e71 RS |
1738 | void |
1739 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1740 | FRAME_PTR f; | |
1741 | register int x, y; | |
1742 | register int *pix_x, *pix_y; | |
1743 | { | |
1744 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1745 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1746 | } | |
1747 | ||
dc6f92b8 JB |
1748 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1749 | ||
1750 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1751 | the mouse. */ |
dc6f92b8 JB |
1752 | |
1753 | static Lisp_Object | |
f451eb13 | 1754 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1755 | struct input_event *result; |
1756 | XButtonEvent *event; | |
f676886a | 1757 | struct frame *f; |
dc6f92b8 | 1758 | { |
f451eb13 | 1759 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1760 | otherwise. */ |
f451eb13 | 1761 | result->kind = mouse_click; |
69388238 | 1762 | result->code = event->button - Button1; |
1113d9db | 1763 | result->timestamp = event->time; |
334208b7 RS |
1764 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1765 | event->state) | |
f689eb05 | 1766 | | (event->type == ButtonRelease |
58769bee | 1767 | ? up_modifier |
f689eb05 | 1768 | : down_modifier)); |
dc6f92b8 | 1769 | |
f451eb13 JB |
1770 | { |
1771 | int row, column; | |
dc6f92b8 | 1772 | |
2b5c9e71 | 1773 | #if 0 |
69388238 | 1774 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
90e1eb6f KH |
1775 | XSETFASTINT (result->x, column); |
1776 | XSETFASTINT (result->y, row); | |
2b5c9e71 | 1777 | #endif |
e0c1aef2 KH |
1778 | XSETINT (result->x, event->x); |
1779 | XSETINT (result->y, event->y); | |
1780 | XSETFRAME (result->frame_or_window, f); | |
f451eb13 | 1781 | } |
dc6f92b8 | 1782 | } |
b849c413 RS |
1783 | |
1784 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
1785 | ||
1786 | static Lisp_Object | |
1787 | construct_menu_click (result, event, f) | |
1788 | struct input_event *result; | |
1789 | XButtonEvent *event; | |
1790 | struct frame *f; | |
1791 | { | |
1792 | /* Make the event type no_event; we'll change that when we decide | |
1793 | otherwise. */ | |
1794 | result->kind = mouse_click; | |
e0c1aef2 | 1795 | XSETINT (result->code, event->button - Button1); |
b849c413 | 1796 | result->timestamp = event->time; |
334208b7 RS |
1797 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1798 | event->state) | |
b849c413 | 1799 | | (event->type == ButtonRelease |
58769bee | 1800 | ? up_modifier |
b849c413 RS |
1801 | : down_modifier)); |
1802 | ||
e0c1aef2 KH |
1803 | XSETINT (result->x, event->x); |
1804 | XSETINT (result->y, -1); | |
1805 | XSETFRAME (result->frame_or_window, f); | |
b849c413 | 1806 | } |
69388238 | 1807 | \f |
90e65f07 JB |
1808 | /* Function to report a mouse movement to the mainstream Emacs code. |
1809 | The input handler calls this. | |
1810 | ||
1811 | We have received a mouse movement event, which is given in *event. | |
1812 | If the mouse is over a different glyph than it was last time, tell | |
1813 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1814 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 1815 | |
90e65f07 | 1816 | static void |
12ba150f | 1817 | note_mouse_movement (frame, event) |
f676886a | 1818 | FRAME_PTR frame; |
90e65f07 | 1819 | XMotionEvent *event; |
90e65f07 | 1820 | { |
e5d77022 JB |
1821 | last_mouse_movement_time = event->time; |
1822 | ||
27f338af RS |
1823 | if (event->window != FRAME_X_WINDOW (frame)) |
1824 | { | |
39d8bb4d | 1825 | frame->mouse_moved = 1; |
27f338af RS |
1826 | last_mouse_scroll_bar = Qnil; |
1827 | ||
1828 | note_mouse_highlight (frame, -1, -1); | |
1829 | ||
1830 | /* Ask for another mouse motion event. */ | |
1831 | { | |
1832 | int dummy; | |
847e150a | 1833 | Window dummy_window; |
27f338af RS |
1834 | |
1835 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), | |
847e150a | 1836 | &dummy_window, &dummy_window, |
27f338af RS |
1837 | &dummy, &dummy, &dummy, &dummy, |
1838 | (unsigned int *) &dummy); | |
1839 | } | |
1840 | } | |
1841 | ||
90e65f07 | 1842 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
1843 | else if (event->x < last_mouse_glyph.x |
1844 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1845 | || event->y < last_mouse_glyph.y | |
1846 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f | 1847 | { |
39d8bb4d | 1848 | frame->mouse_moved = 1; |
ab648270 | 1849 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
1850 | |
1851 | note_mouse_highlight (frame, event->x, event->y); | |
1852 | ||
1853 | /* Ask for another mouse motion event. */ | |
1854 | { | |
1855 | int dummy; | |
847e150a | 1856 | Window dummy_window; |
b8009dd1 | 1857 | |
27f338af | 1858 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1859 | &dummy_window, &dummy_window, |
b8009dd1 RS |
1860 | &dummy, &dummy, &dummy, &dummy, |
1861 | (unsigned int *) &dummy); | |
1862 | } | |
12ba150f | 1863 | } |
90e65f07 JB |
1864 | else |
1865 | { | |
1866 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1867 | event the next time the mouse moves and we can see if it's | |
1868 | *still* on the same glyph. */ | |
1869 | int dummy; | |
847e150a | 1870 | Window dummy_window; |
58769bee | 1871 | |
27f338af | 1872 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1873 | &dummy_window, &dummy_window, |
90e65f07 JB |
1874 | &dummy, &dummy, &dummy, &dummy, |
1875 | (unsigned int *) &dummy); | |
1876 | } | |
1877 | } | |
1878 | ||
bf1c0ba1 RS |
1879 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
1880 | static int disable_mouse_highlight; | |
1881 | ||
b8009dd1 RS |
1882 | /* Take proper action when the mouse has moved to position X, Y on frame F |
1883 | as regards highlighting characters that have mouse-face properties. | |
27f338af RS |
1884 | Also dehighlighting chars where the mouse was before. |
1885 | X and Y can be negative or out of range. */ | |
b8009dd1 RS |
1886 | |
1887 | static void | |
1888 | note_mouse_highlight (f, x, y) | |
1889 | FRAME_PTR f; | |
c32cdd9a | 1890 | int x, y; |
b8009dd1 RS |
1891 | { |
1892 | int row, column, portion; | |
1893 | XRectangle new_glyph; | |
1894 | Lisp_Object window; | |
1895 | struct window *w; | |
1896 | ||
bf1c0ba1 RS |
1897 | if (disable_mouse_highlight) |
1898 | return; | |
1899 | ||
7a13e894 RS |
1900 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x = x; |
1901 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y = y; | |
1902 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame = f; | |
b8009dd1 | 1903 | |
7a13e894 | 1904 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_defer) |
b8009dd1 RS |
1905 | return; |
1906 | ||
514e4681 RS |
1907 | if (gc_in_progress) |
1908 | { | |
7a13e894 | 1909 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 1; |
514e4681 RS |
1910 | return; |
1911 | } | |
1912 | ||
b8009dd1 RS |
1913 | /* Find out which glyph the mouse is on. */ |
1914 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
334208b7 | 1915 | &new_glyph, FRAME_X_DISPLAY_INFO (f)->grabbed); |
b8009dd1 RS |
1916 | |
1917 | /* Which window is that in? */ | |
1918 | window = window_from_coordinates (f, column, row, &portion); | |
1919 | w = XWINDOW (window); | |
1920 | ||
1921 | /* If we were displaying active text in another window, clear that. */ | |
7a13e894 RS |
1922 | if (! EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) |
1923 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); | |
b8009dd1 | 1924 | |
0cdd0c9f RS |
1925 | /* Are we in a window whose display is up to date? |
1926 | And verify the buffer's text has not changed. */ | |
27f338af RS |
1927 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
1928 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
0cdd0c9f RS |
1929 | && EQ (w->window_end_valid, w->buffer) |
1930 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
1931 | { |
1932 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
1933 | int i, pos; | |
1934 | ||
1935 | /* Find which buffer position the mouse corresponds to. */ | |
1936 | for (i = column; i >= 0; i--) | |
1937 | if (ptr[i] > 0) | |
1938 | break; | |
1939 | pos = ptr[i]; | |
1940 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 | 1941 | if (pos <= 0) |
7a13e894 RS |
1942 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
1943 | else if (! (EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window) | |
1944 | && row >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1945 | && row <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1946 | && (row > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1947 | || column >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col) | |
1948 | && (row < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1949 | || column < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
1950 | || FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end))) | |
b8009dd1 RS |
1951 | { |
1952 | Lisp_Object mouse_face, overlay, position; | |
1953 | Lisp_Object *overlay_vec; | |
1954 | int len, noverlays, ignor1; | |
f8bdb8e6 | 1955 | struct buffer *obuf; |
e444162e | 1956 | int obegv, ozv; |
f8bdb8e6 | 1957 | |
e444162e RS |
1958 | /* If we get an out-of-range value, return now; avoid an error. */ |
1959 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 1960 | return; |
b8009dd1 | 1961 | |
09fe4c31 RS |
1962 | /* Make the window's buffer temporarily current for |
1963 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 1964 | obuf = current_buffer; |
09fe4c31 | 1965 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
1966 | obegv = BEGV; |
1967 | ozv = ZV; | |
1968 | BEGV = BEG; | |
1969 | ZV = Z; | |
09fe4c31 | 1970 | |
b8009dd1 | 1971 | /* Yes. Clear the display of the old active region, if any. */ |
7a13e894 | 1972 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
b8009dd1 RS |
1973 | |
1974 | /* Is this char mouse-active? */ | |
e0c1aef2 | 1975 | XSETINT (position, pos); |
b8009dd1 RS |
1976 | |
1977 | len = 10; | |
1978 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
1979 | ||
1980 | /* Put all the overlays we want in a vector in overlay_vec. | |
1981 | Store the length in len. */ | |
7965883b RS |
1982 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, |
1983 | NULL, NULL); | |
09fe4c31 | 1984 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
1985 | |
1986 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
1987 | overlay = Qnil; | |
1988 | for (i = 0; i < noverlays; i++) | |
1989 | { | |
1990 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
1991 | if (!NILP (mouse_face)) | |
1992 | { | |
1993 | overlay = overlay_vec[i]; | |
1994 | break; | |
1995 | } | |
1996 | } | |
1997 | free (overlay_vec); | |
1998 | /* If no overlay applies, get a text property. */ | |
1999 | if (NILP (overlay)) | |
2000 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
2001 | ||
2002 | /* Handle the overlay case. */ | |
2003 | if (! NILP (overlay)) | |
2004 | { | |
2005 | /* Find the range of text around this char that | |
2006 | should be active. */ | |
2007 | Lisp_Object before, after; | |
2008 | int ignore; | |
2009 | ||
2010 | before = Foverlay_start (overlay); | |
2011 | after = Foverlay_end (overlay); | |
2012 | /* Record this as the current active region. */ | |
7a13e894 RS |
2013 | fast_find_position (window, before, |
2014 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
2015 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
2016 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
2017 | = !fast_find_position (window, after, | |
2018 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
2019 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
2020 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
2021 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
2022 | = compute_char_face (f, w, pos, 0, 0, | |
2023 | &ignore, pos + 1, 1); | |
b8009dd1 RS |
2024 | |
2025 | /* Display it as active. */ | |
7a13e894 | 2026 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 RS |
2027 | } |
2028 | /* Handle the text property case. */ | |
2029 | else if (! NILP (mouse_face)) | |
2030 | { | |
2031 | /* Find the range of text around this char that | |
2032 | should be active. */ | |
2033 | Lisp_Object before, after, beginning, end; | |
2034 | int ignore; | |
2035 | ||
2036 | beginning = Fmarker_position (w->start); | |
e0c1aef2 KH |
2037 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) |
2038 | - XFASTINT (w->window_end_pos))); | |
b8009dd1 RS |
2039 | before |
2040 | = Fprevious_single_property_change (make_number (pos + 1), | |
2041 | Qmouse_face, | |
2042 | w->buffer, beginning); | |
2043 | after | |
2044 | = Fnext_single_property_change (position, Qmouse_face, | |
2045 | w->buffer, end); | |
2046 | /* Record this as the current active region. */ | |
7a13e894 RS |
2047 | fast_find_position (window, before, |
2048 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
2049 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
2050 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
2051 | = !fast_find_position (window, after, | |
2052 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
2053 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
2054 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
2055 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
b8009dd1 RS |
2056 | = compute_char_face (f, w, pos, 0, 0, |
2057 | &ignore, pos + 1, 1); | |
2058 | ||
2059 | /* Display it as active. */ | |
7a13e894 | 2060 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 | 2061 | } |
e444162e RS |
2062 | BEGV = obegv; |
2063 | ZV = ozv; | |
09fe4c31 | 2064 | current_buffer = obuf; |
b8009dd1 | 2065 | } |
b8009dd1 RS |
2066 | } |
2067 | } | |
2068 | \f | |
2069 | /* Find the row and column of position POS in window WINDOW. | |
2070 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2071 | This assumes display in WINDOW is up to date. |
2072 | If POS is above start of WINDOW, return coords | |
2073 | of start of first screen line. | |
4d73d038 RS |
2074 | If POS is after end of WINDOW, return coords of end of last screen line. |
2075 | ||
2076 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
b8009dd1 RS |
2077 | |
2078 | static int | |
2079 | fast_find_position (window, pos, columnp, rowp) | |
2080 | Lisp_Object window; | |
2081 | int pos; | |
2082 | int *columnp, *rowp; | |
2083 | { | |
2084 | struct window *w = XWINDOW (window); | |
2085 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2086 | int i; | |
4d73d038 | 2087 | int row = 0; |
b8009dd1 RS |
2088 | int left = w->left; |
2089 | int top = w->top; | |
2090 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2091 | int width = window_internal_width (w); | |
2092 | int *charstarts; | |
bf1c0ba1 | 2093 | int lastcol; |
77b68646 | 2094 | int maybe_next_line = 0; |
b8009dd1 | 2095 | |
4d73d038 | 2096 | /* Find the right row. */ |
b8009dd1 RS |
2097 | for (i = 0; |
2098 | i < height; | |
2099 | i++) | |
2100 | { | |
2101 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2102 | if (linestart > pos) | |
2103 | break; | |
77b68646 RS |
2104 | /* If the position sought is the end of the buffer, |
2105 | don't include the blank lines at the bottom of the window. */ | |
2106 | if (linestart == pos && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2107 | { | |
2108 | maybe_next_line = 1; | |
2109 | break; | |
2110 | } | |
b8009dd1 RS |
2111 | if (linestart > 0) |
2112 | row = i; | |
2113 | } | |
2114 | ||
4d73d038 | 2115 | /* Find the right column with in it. */ |
b8009dd1 | 2116 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
bf1c0ba1 | 2117 | lastcol = left; |
b8009dd1 | 2118 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2119 | { |
2120 | if (charstarts[left + i] == pos) | |
2121 | { | |
2122 | *rowp = row + top; | |
2123 | *columnp = i + left; | |
2124 | return 1; | |
2125 | } | |
2126 | else if (charstarts[left + i] > pos) | |
4d73d038 RS |
2127 | break; |
2128 | else if (charstarts[left + i] > 0) | |
bf1c0ba1 RS |
2129 | lastcol = left + i; |
2130 | } | |
b8009dd1 | 2131 | |
77b68646 RS |
2132 | /* If we're looking for the end of the buffer, |
2133 | and we didn't find it in the line we scanned, | |
2134 | use the start of the following line. */ | |
2135 | if (maybe_next_line) | |
2136 | { | |
2137 | row++; | |
2138 | i = 0; | |
2139 | } | |
2140 | ||
bf1c0ba1 RS |
2141 | *rowp = row + top; |
2142 | *columnp = lastcol; | |
b8009dd1 RS |
2143 | return 0; |
2144 | } | |
2145 | ||
2146 | /* Display the active region described by mouse_face_* | |
2147 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2148 | ||
2149 | static void | |
7a13e894 RS |
2150 | show_mouse_face (dpyinfo, hl) |
2151 | struct x_display_info *dpyinfo; | |
b8009dd1 RS |
2152 | int hl; |
2153 | { | |
7a13e894 | 2154 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); |
b8009dd1 RS |
2155 | int width = window_internal_width (w); |
2156 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2157 | int i; | |
514e4681 | 2158 | int cursor_off = 0; |
fb3b7de5 RS |
2159 | int old_curs_x = curs_x; |
2160 | int old_curs_y = curs_y; | |
2161 | ||
2162 | /* Set these variables temporarily | |
2163 | so that if we have to turn the cursor off and on again | |
2164 | we will put it back at the same place. */ | |
2165 | curs_x = f->phys_cursor_x; | |
2166 | curs_y = f->phys_cursor_y; | |
b8009dd1 | 2167 | |
7a13e894 RS |
2168 | for (i = FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row; |
2169 | i <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row; i++) | |
b8009dd1 | 2170 | { |
7a13e894 RS |
2171 | int column = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
2172 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col | |
2173 | : w->left); | |
2174 | int endcolumn = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
2175 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
2176 | : w->left + width); | |
6f4c2453 | 2177 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
514e4681 RS |
2178 | |
2179 | /* If the cursor's in the text we are about to rewrite, | |
2180 | turn the cursor off. */ | |
2181 | if (i == curs_y | |
7a13e894 RS |
2182 | && curs_x >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col - 1 |
2183 | && curs_x <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col) | |
514e4681 RS |
2184 | { |
2185 | x_display_cursor (f, 0); | |
2186 | cursor_off = 1; | |
2187 | } | |
b8009dd1 RS |
2188 | |
2189 | dumpglyphs (f, | |
2190 | CHAR_TO_PIXEL_COL (f, column), | |
2191 | CHAR_TO_PIXEL_ROW (f, i), | |
2192 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2193 | endcolumn - column, | |
2194 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2195 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2196 | } |
2197 | ||
514e4681 RS |
2198 | /* If we turned the cursor off, turn it back on. */ |
2199 | if (cursor_off) | |
2200 | x_display_cursor (f, 1); | |
27ead1d5 | 2201 | |
fb3b7de5 RS |
2202 | curs_x = old_curs_x; |
2203 | curs_y = old_curs_y; | |
2204 | ||
27ead1d5 FP |
2205 | /* Change the mouse cursor according to the value of HL. */ |
2206 | if (hl > 0) | |
334208b7 | 2207 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 2208 | f->output_data.x->cross_cursor); |
27ead1d5 | 2209 | else |
334208b7 | 2210 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 2211 | f->output_data.x->text_cursor); |
b8009dd1 RS |
2212 | } |
2213 | ||
2214 | /* Clear out the mouse-highlighted active region. | |
2215 | Redraw it unhighlighted first. */ | |
2216 | ||
2217 | static void | |
7a13e894 RS |
2218 | clear_mouse_face (dpyinfo) |
2219 | struct x_display_info *dpyinfo; | |
b8009dd1 | 2220 | { |
7a13e894 RS |
2221 | if (! NILP (dpyinfo->mouse_face_window)) |
2222 | show_mouse_face (dpyinfo, 0); | |
b8009dd1 | 2223 | |
7a13e894 RS |
2224 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
2225 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
2226 | dpyinfo->mouse_face_window = Qnil; | |
b8009dd1 RS |
2227 | } |
2228 | \f | |
ab648270 JB |
2229 | static struct scroll_bar *x_window_to_scroll_bar (); |
2230 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2231 | |
90e65f07 | 2232 | /* Return the current position of the mouse. |
2d7fc7e8 | 2233 | *fp should be a frame which indicates which display to ask about. |
90e65f07 | 2234 | |
2d7fc7e8 | 2235 | If the mouse movement started in a scroll bar, set *fp, *bar_window, |
ab648270 | 2236 | and *part to the frame, window, and scroll bar part that the mouse |
12ba150f | 2237 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2238 | position on the scroll bar. |
12ba150f | 2239 | |
2d7fc7e8 | 2240 | If the mouse movement started elsewhere, set *fp to the frame the |
12ba150f JB |
2241 | mouse is on, *bar_window to nil, and *x and *y to the character cell |
2242 | the mouse is over. | |
2243 | ||
2244 | Set *time to the server timestamp for the time at which the mouse | |
2245 | was at this position. | |
2246 | ||
a135645a RS |
2247 | Don't store anything if we don't have a valid set of values to report. |
2248 | ||
90e65f07 | 2249 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2250 | movement. This also calls XQueryPointer, which will cause the |
2251 | server to give us another MotionNotify when the mouse moves | |
2252 | again. */ | |
90e65f07 JB |
2253 | |
2254 | static void | |
1cf412ec | 2255 | XTmouse_position (fp, insist, bar_window, part, x, y, time) |
334208b7 | 2256 | FRAME_PTR *fp; |
1cf412ec | 2257 | int insist; |
12ba150f | 2258 | Lisp_Object *bar_window; |
ab648270 | 2259 | enum scroll_bar_part *part; |
90e65f07 | 2260 | Lisp_Object *x, *y; |
e5d77022 | 2261 | unsigned long *time; |
90e65f07 | 2262 | { |
a135645a RS |
2263 | FRAME_PTR f1; |
2264 | ||
90e65f07 JB |
2265 | BLOCK_INPUT; |
2266 | ||
ab648270 | 2267 | if (! NILP (last_mouse_scroll_bar)) |
334208b7 | 2268 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
90e65f07 JB |
2269 | else |
2270 | { | |
12ba150f JB |
2271 | Window root; |
2272 | int root_x, root_y; | |
90e65f07 | 2273 | |
12ba150f JB |
2274 | Window dummy_window; |
2275 | int dummy; | |
2276 | ||
39d8bb4d KH |
2277 | Lisp_Object frame, tail; |
2278 | ||
2279 | /* Clear the mouse-moved flag for every frame on this display. */ | |
2280 | FOR_EACH_FRAME (tail, frame) | |
2281 | if (FRAME_X_DISPLAY (XFRAME (frame)) == FRAME_X_DISPLAY (*fp)) | |
2282 | XFRAME (frame)->mouse_moved = 0; | |
2283 | ||
ab648270 | 2284 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2285 | |
2286 | /* Figure out which root window we're on. */ | |
334208b7 RS |
2287 | XQueryPointer (FRAME_X_DISPLAY (*fp), |
2288 | DefaultRootWindow (FRAME_X_DISPLAY (*fp)), | |
12ba150f JB |
2289 | |
2290 | /* The root window which contains the pointer. */ | |
2291 | &root, | |
2292 | ||
2293 | /* Trash which we can't trust if the pointer is on | |
2294 | a different screen. */ | |
2295 | &dummy_window, | |
2296 | ||
2297 | /* The position on that root window. */ | |
58769bee | 2298 | &root_x, &root_y, |
12ba150f JB |
2299 | |
2300 | /* More trash we can't trust. */ | |
2301 | &dummy, &dummy, | |
2302 | ||
2303 | /* Modifier keys and pointer buttons, about which | |
2304 | we don't care. */ | |
2305 | (unsigned int *) &dummy); | |
2306 | ||
2307 | /* Now we have a position on the root; find the innermost window | |
2308 | containing the pointer. */ | |
2309 | { | |
2310 | Window win, child; | |
2311 | int win_x, win_y; | |
2312 | int parent_x, parent_y; | |
2313 | ||
2314 | win = root; | |
69388238 | 2315 | |
2d7fc7e8 RS |
2316 | /* XTranslateCoordinates can get errors if the window |
2317 | structure is changing at the same time this function | |
2318 | is running. So at least we must not crash from them. */ | |
2319 | ||
2320 | x_catch_errors (FRAME_X_DISPLAY (*fp)); | |
2321 | ||
334208b7 | 2322 | if (FRAME_X_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
23faf38f | 2323 | && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 2324 | { |
69388238 RS |
2325 | /* If mouse was grabbed on a frame, give coords for that frame |
2326 | even if the mouse is now outside it. */ | |
334208b7 | 2327 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
69388238 | 2328 | |
12ba150f | 2329 | /* From-window, to-window. */ |
69388238 | 2330 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2331 | |
2332 | /* From-position, to-position. */ | |
2333 | root_x, root_y, &win_x, &win_y, | |
2334 | ||
2335 | /* Child of win. */ | |
2336 | &child); | |
69388238 RS |
2337 | f1 = last_mouse_frame; |
2338 | } | |
2339 | else | |
2340 | { | |
2341 | while (1) | |
2342 | { | |
334208b7 | 2343 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
12ba150f | 2344 | |
69388238 RS |
2345 | /* From-window, to-window. */ |
2346 | root, win, | |
12ba150f | 2347 | |
69388238 RS |
2348 | /* From-position, to-position. */ |
2349 | root_x, root_y, &win_x, &win_y, | |
2350 | ||
2351 | /* Child of win. */ | |
2352 | &child); | |
2353 | ||
2354 | if (child == None) | |
2355 | break; | |
2356 | ||
2357 | win = child; | |
2358 | parent_x = win_x; | |
2359 | parent_y = win_y; | |
2360 | } | |
12ba150f | 2361 | |
69388238 RS |
2362 | /* Now we know that: |
2363 | win is the innermost window containing the pointer | |
2364 | (XTC says it has no child containing the pointer), | |
2365 | win_x and win_y are the pointer's position in it | |
2366 | (XTC did this the last time through), and | |
2367 | parent_x and parent_y are the pointer's position in win's parent. | |
2368 | (They are what win_x and win_y were when win was child. | |
2369 | If win is the root window, it has no parent, and | |
2370 | parent_{x,y} are invalid, but that's okay, because we'll | |
2371 | never use them in that case.) */ | |
2372 | ||
2373 | /* Is win one of our frames? */ | |
19126e11 | 2374 | f1 = x_any_window_to_frame (FRAME_X_DISPLAY_INFO (*fp), win); |
69388238 | 2375 | } |
58769bee | 2376 | |
2d7fc7e8 RS |
2377 | if (x_had_errors_p (FRAME_X_DISPLAY (*fp))) |
2378 | f1 = 0; | |
2379 | ||
2380 | x_uncatch_errors (FRAME_X_DISPLAY (*fp)); | |
2381 | ||
ab648270 | 2382 | /* If not, is it one of our scroll bars? */ |
a135645a | 2383 | if (! f1) |
12ba150f | 2384 | { |
ab648270 | 2385 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2386 | |
2387 | if (bar) | |
2388 | { | |
a135645a | 2389 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2390 | win_x = parent_x; |
2391 | win_y = parent_y; | |
2392 | } | |
2393 | } | |
90e65f07 | 2394 | |
1cf412ec RS |
2395 | if (f1 == 0 && insist) |
2396 | f1 = selected_frame; | |
2397 | ||
a135645a | 2398 | if (f1) |
12ba150f | 2399 | { |
2b5c9e71 RS |
2400 | int ignore1, ignore2; |
2401 | ||
2402 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2403 | |
2b5c9e71 | 2404 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
334208b7 | 2405 | &last_mouse_glyph, |
1cf412ec RS |
2406 | FRAME_X_DISPLAY_INFO (f1)->grabbed |
2407 | || insist); | |
12ba150f JB |
2408 | |
2409 | *bar_window = Qnil; | |
2410 | *part = 0; | |
334208b7 | 2411 | *fp = f1; |
e0c1aef2 KH |
2412 | XSETINT (*x, win_x); |
2413 | XSETINT (*y, win_y); | |
12ba150f JB |
2414 | *time = last_mouse_movement_time; |
2415 | } | |
2416 | } | |
2417 | } | |
90e65f07 JB |
2418 | |
2419 | UNBLOCK_INPUT; | |
2420 | } | |
c118dd06 | 2421 | \f |
ab648270 | 2422 | /* Scroll bar support. */ |
f451eb13 | 2423 | |
ab648270 JB |
2424 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2425 | This can be called in GC, so we have to make sure to strip off mark | |
2426 | bits. */ | |
2427 | static struct scroll_bar * | |
2428 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2429 | Window window_id; |
2430 | { | |
2431 | Lisp_Object tail, frame; | |
f451eb13 | 2432 | |
ab648270 JB |
2433 | for (tail = Vframe_list; |
2434 | XGCTYPE (tail) == Lisp_Cons; | |
2435 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2436 | { |
abdda982 | 2437 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2438 | |
abdda982 | 2439 | frame = XCONS (tail)->car; |
f451eb13 | 2440 | /* All elements of Vframe_list should be frames. */ |
0299d313 | 2441 | if (! GC_FRAMEP (frame)) |
f451eb13 JB |
2442 | abort (); |
2443 | ||
ab648270 | 2444 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2445 | right window ID. */ |
ab648270 JB |
2446 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2447 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2448 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2449 | condemned scroll bar lists with one loop. */ |
2450 | ! GC_NILP (bar) || (bar = condemned, | |
2451 | condemned = Qnil, | |
2452 | ! GC_NILP (bar)); | |
bc20ebbf | 2453 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2454 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2455 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2456 | } |
2457 | ||
2458 | return 0; | |
2459 | } | |
2460 | ||
ab648270 JB |
2461 | /* Open a new X window to serve as a scroll bar, and return the |
2462 | scroll bar vector for it. */ | |
2463 | static struct scroll_bar * | |
2464 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2465 | struct window *window; |
f451eb13 JB |
2466 | int top, left, width, height; |
2467 | { | |
334208b7 RS |
2468 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
2469 | struct scroll_bar *bar | |
2470 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2471 | |
2472 | BLOCK_INPUT; | |
2473 | ||
2474 | { | |
2475 | XSetWindowAttributes a; | |
2476 | unsigned long mask; | |
7556890b | 2477 | a.background_pixel = f->output_data.x->background_pixel; |
12ba150f | 2478 | a.event_mask = (ButtonPressMask | ButtonReleaseMask |
9a572e2a | 2479 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2480 | | ExposureMask); |
7a13e894 | 2481 | a.cursor = FRAME_X_DISPLAY_INFO (f)->vertical_scroll_bar_cursor; |
f451eb13 | 2482 | |
dbc4e1c1 | 2483 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2484 | |
3afe33e7 RS |
2485 | #if 0 |
2486 | ||
2487 | ac = 0; | |
2488 | XtSetArg (al[ac], XtNx, left); ac++; | |
2489 | XtSetArg (al[ac], XtNy, top); ac++; | |
2490 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2491 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2492 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2493 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 | 2494 | boxWidgetClass, |
7556890b | 2495 | f->output_data.x->edit_widget, al, ac); |
7246d1d3 | 2496 | SET_SCROLL_BAR_X_WINDOW |
3afe33e7 | 2497 | (bar, sb_widget->core.window); |
58769bee | 2498 | #endif |
7246d1d3 | 2499 | SET_SCROLL_BAR_X_WINDOW |
58769bee | 2500 | (bar, |
334208b7 | 2501 | XCreateWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f451eb13 | 2502 | |
ab648270 | 2503 | /* Position and size of scroll bar. */ |
12ba150f | 2504 | left, top, width, height, |
f451eb13 | 2505 | |
12ba150f JB |
2506 | /* Border width, depth, class, and visual. */ |
2507 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2508 | |
12ba150f JB |
2509 | /* Attributes. */ |
2510 | mask, &a)); | |
f451eb13 JB |
2511 | } |
2512 | ||
e0c1aef2 KH |
2513 | XSETWINDOW (bar->window, window); |
2514 | XSETINT (bar->top, top); | |
2515 | XSETINT (bar->left, left); | |
2516 | XSETINT (bar->width, width); | |
2517 | XSETINT (bar->height, height); | |
2518 | XSETINT (bar->start, 0); | |
2519 | XSETINT (bar->end, 0); | |
12ba150f | 2520 | bar->dragging = Qnil; |
f451eb13 JB |
2521 | |
2522 | /* Add bar to its frame's list of scroll bars. */ | |
334208b7 | 2523 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2524 | bar->prev = Qnil; |
334208b7 | 2525 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2526 | if (! NILP (bar->next)) |
e0c1aef2 | 2527 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
f451eb13 | 2528 | |
7f9c7f94 | 2529 | XMapRaised (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2530 | |
2531 | UNBLOCK_INPUT; | |
12ba150f JB |
2532 | |
2533 | return bar; | |
f451eb13 JB |
2534 | } |
2535 | ||
12ba150f JB |
2536 | /* Draw BAR's handle in the proper position. |
2537 | If the handle is already drawn from START to END, don't bother | |
2538 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2539 | redraw it. (REBUILD is handy for drawing the handle after expose | |
58769bee | 2540 | events.) |
12ba150f JB |
2541 | |
2542 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2543 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2544 | handle, we want to let them drag it down all the way, so that the |
2545 | bar's top is as far down as it goes; otherwise, there's no way to | |
2546 | move to the very end of the buffer. */ | |
f451eb13 | 2547 | static void |
ab648270 JB |
2548 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2549 | struct scroll_bar *bar; | |
f451eb13 | 2550 | int start, end; |
12ba150f | 2551 | int rebuild; |
f451eb13 | 2552 | { |
12ba150f | 2553 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2554 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 | 2555 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7556890b | 2556 | GC gc = f->output_data.x->normal_gc; |
12ba150f JB |
2557 | |
2558 | /* If the display is already accurate, do nothing. */ | |
2559 | if (! rebuild | |
2560 | && start == XINT (bar->start) | |
2561 | && end == XINT (bar->end)) | |
2562 | return; | |
2563 | ||
f451eb13 JB |
2564 | BLOCK_INPUT; |
2565 | ||
2566 | { | |
ab648270 JB |
2567 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2568 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2569 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2570 | |
2571 | /* Make sure the values are reasonable, and try to preserve | |
2572 | the distance between start and end. */ | |
12ba150f JB |
2573 | { |
2574 | int length = end - start; | |
2575 | ||
2576 | if (start < 0) | |
2577 | start = 0; | |
2578 | else if (start > top_range) | |
2579 | start = top_range; | |
2580 | end = start + length; | |
2581 | ||
2582 | if (end < start) | |
2583 | end = start; | |
2584 | else if (end > top_range && ! dragging) | |
2585 | end = top_range; | |
2586 | } | |
f451eb13 | 2587 | |
ab648270 | 2588 | /* Store the adjusted setting in the scroll bar. */ |
e0c1aef2 KH |
2589 | XSETINT (bar->start, start); |
2590 | XSETINT (bar->end, end); | |
f451eb13 | 2591 | |
12ba150f JB |
2592 | /* Clip the end position, just for display. */ |
2593 | if (end > top_range) | |
2594 | end = top_range; | |
f451eb13 | 2595 | |
ab648270 | 2596 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2597 | below top positions, to make sure the handle is always at least |
2598 | that many pixels tall. */ | |
ab648270 | 2599 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2600 | |
12ba150f JB |
2601 | /* Draw the empty space above the handle. Note that we can't clear |
2602 | zero-height areas; that means "clear to end of window." */ | |
2603 | if (0 < start) | |
334208b7 | 2604 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2605 | |
12ba150f | 2606 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2607 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2608 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2609 | inside_width, start, |
2610 | False); | |
f451eb13 | 2611 | |
12ba150f | 2612 | /* Draw the handle itself. */ |
334208b7 | 2613 | XFillRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 | 2614 | |
12ba150f | 2615 | /* x, y, width, height */ |
ab648270 JB |
2616 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2617 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2618 | inside_width, end - start); |
f451eb13 | 2619 | |
f451eb13 | 2620 | |
12ba150f JB |
2621 | /* Draw the empty space below the handle. Note that we can't |
2622 | clear zero-height areas; that means "clear to end of window." */ | |
2623 | if (end < inside_height) | |
334208b7 | 2624 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2625 | |
12ba150f | 2626 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2627 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2628 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2629 | inside_width, inside_height - end, |
2630 | False); | |
f451eb13 | 2631 | |
f451eb13 JB |
2632 | } |
2633 | ||
f451eb13 JB |
2634 | UNBLOCK_INPUT; |
2635 | } | |
2636 | ||
eb8c3be9 | 2637 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2638 | window configurations. */ |
f451eb13 | 2639 | static void |
ab648270 JB |
2640 | x_scroll_bar_move (bar, top, left, width, height) |
2641 | struct scroll_bar *bar; | |
f451eb13 JB |
2642 | int top, left, width, height; |
2643 | { | |
334208b7 RS |
2644 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2645 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2646 | ||
f451eb13 JB |
2647 | BLOCK_INPUT; |
2648 | ||
2649 | { | |
2650 | XWindowChanges wc; | |
2651 | unsigned int mask = 0; | |
2652 | ||
2653 | wc.x = left; | |
2654 | wc.y = top; | |
2655 | wc.width = width; | |
2656 | wc.height = height; | |
2657 | ||
12ba150f JB |
2658 | if (left != XINT (bar->left)) mask |= CWX; |
2659 | if (top != XINT (bar->top)) mask |= CWY; | |
2660 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2661 | if (height != XINT (bar->height)) mask |= CWHeight; | |
58769bee | 2662 | |
12ba150f | 2663 | if (mask) |
334208b7 | 2664 | XConfigureWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2665 | mask, &wc); |
f451eb13 JB |
2666 | } |
2667 | ||
e0c1aef2 KH |
2668 | XSETINT (bar->left, left); |
2669 | XSETINT (bar->top, top); | |
2670 | XSETINT (bar->width, width); | |
2671 | XSETINT (bar->height, height); | |
12ba150f | 2672 | |
f451eb13 JB |
2673 | UNBLOCK_INPUT; |
2674 | } | |
2675 | ||
ab648270 | 2676 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2677 | to nil. */ |
2678 | static void | |
ab648270 JB |
2679 | x_scroll_bar_remove (bar) |
2680 | struct scroll_bar *bar; | |
12ba150f JB |
2681 | { |
2682 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2683 | ||
2684 | BLOCK_INPUT; | |
2685 | ||
2686 | /* Destroy the window. */ | |
334208b7 | 2687 | XDestroyWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2688 | |
ab648270 JB |
2689 | /* Disassociate this scroll bar from its window. */ |
2690 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2691 | |
2692 | UNBLOCK_INPUT; | |
2693 | } | |
2694 | ||
2695 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2696 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2697 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2698 | create one. */ |
2699 | static void | |
ab648270 | 2700 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2701 | struct window *window; |
2702 | int portion, whole, position; | |
2703 | { | |
2704 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2705 | int top = XINT (window->top); |
ab648270 JB |
2706 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2707 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2708 | |
ab648270 | 2709 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2710 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2711 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
b2cad826 KH |
2712 | int pixel_width |
2713 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
2714 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
7556890b | 2715 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font))); |
ab648270 | 2716 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); |
f451eb13 | 2717 | |
ab648270 | 2718 | struct scroll_bar *bar; |
12ba150f | 2719 | |
ab648270 JB |
2720 | /* Does the scroll bar exist yet? */ |
2721 | if (NILP (window->vertical_scroll_bar)) | |
2722 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2723 | pixel_top, pixel_left, |
2724 | pixel_width, pixel_height); | |
2725 | else | |
12ba150f JB |
2726 | { |
2727 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2728 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2729 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2730 | } |
f451eb13 | 2731 | |
ab648270 | 2732 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2733 | dragged. */ |
12ba150f | 2734 | if (NILP (bar->dragging)) |
f451eb13 | 2735 | { |
0299d313 | 2736 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2737 | |
12ba150f | 2738 | if (whole == 0) |
ab648270 | 2739 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2740 | else |
2741 | { | |
43f868f5 JB |
2742 | int start = ((double) position * top_range) / whole; |
2743 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2744 | |
ab648270 | 2745 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2746 | } |
f451eb13 JB |
2747 | } |
2748 | ||
e0c1aef2 | 2749 | XSETVECTOR (window->vertical_scroll_bar, bar); |
f451eb13 JB |
2750 | } |
2751 | ||
12ba150f | 2752 | |
f451eb13 | 2753 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2754 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2755 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2756 | away is a real pain - "Can you say set-window-configuration, boys |
2757 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2758 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2759 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2760 | |
ab648270 JB |
2761 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2762 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2763 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
58769bee | 2764 | static void |
ab648270 | 2765 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2766 | FRAME_PTR frame; |
2767 | { | |
f9e24cb9 RS |
2768 | /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */ |
2769 | while (! NILP (FRAME_SCROLL_BARS (frame))) | |
2770 | { | |
2771 | Lisp_Object bar; | |
2772 | bar = FRAME_SCROLL_BARS (frame); | |
2773 | FRAME_SCROLL_BARS (frame) = XSCROLL_BAR (bar)->next; | |
2774 | XSCROLL_BAR (bar)->next = FRAME_CONDEMNED_SCROLL_BARS (frame); | |
2775 | XSCROLL_BAR (bar)->prev = Qnil; | |
2776 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
2777 | XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame))->prev = bar; | |
2778 | FRAME_CONDEMNED_SCROLL_BARS (frame) = bar; | |
2779 | } | |
f451eb13 JB |
2780 | } |
2781 | ||
ab648270 | 2782 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2783 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2784 | static void |
ab648270 | 2785 | XTredeem_scroll_bar (window) |
12ba150f | 2786 | struct window *window; |
f451eb13 | 2787 | { |
ab648270 | 2788 | struct scroll_bar *bar; |
12ba150f | 2789 | |
ab648270 JB |
2790 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2791 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2792 | abort (); |
2793 | ||
ab648270 | 2794 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2795 | |
2796 | /* Unlink it from the condemned list. */ | |
2797 | { | |
2798 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2799 | ||
2800 | if (NILP (bar->prev)) | |
2801 | { | |
2802 | /* If the prev pointer is nil, it must be the first in one of | |
2803 | the lists. */ | |
ab648270 | 2804 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2805 | /* It's not condemned. Everything's fine. */ |
2806 | return; | |
ab648270 JB |
2807 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2808 | window->vertical_scroll_bar)) | |
2809 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2810 | else |
2811 | /* If its prev pointer is nil, it must be at the front of | |
2812 | one or the other! */ | |
2813 | abort (); | |
2814 | } | |
2815 | else | |
ab648270 | 2816 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2817 | |
2818 | if (! NILP (bar->next)) | |
ab648270 | 2819 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2820 | |
ab648270 | 2821 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2822 | bar->prev = Qnil; |
e0c1aef2 | 2823 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2824 | if (! NILP (bar->next)) |
e0c1aef2 | 2825 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
12ba150f | 2826 | } |
f451eb13 JB |
2827 | } |
2828 | ||
ab648270 JB |
2829 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2830 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2831 | static void |
ab648270 | 2832 | XTjudge_scroll_bars (f) |
12ba150f | 2833 | FRAME_PTR f; |
f451eb13 | 2834 | { |
12ba150f | 2835 | Lisp_Object bar, next; |
f451eb13 | 2836 | |
ab648270 | 2837 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2838 | |
2839 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2840 | more events on the hapless scroll bars. */ |
2841 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2842 | |
2843 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2844 | { |
ab648270 | 2845 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2846 | |
ab648270 | 2847 | x_scroll_bar_remove (b); |
12ba150f JB |
2848 | |
2849 | next = b->next; | |
2850 | b->next = b->prev = Qnil; | |
f451eb13 | 2851 | } |
12ba150f | 2852 | |
ab648270 | 2853 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2854 | and they should get garbage-collected. */ |
f451eb13 JB |
2855 | } |
2856 | ||
2857 | ||
ab648270 JB |
2858 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2859 | ||
2860 | This may be called from a signal handler, so we have to ignore GC | |
2861 | mark bits. */ | |
f451eb13 | 2862 | static void |
ab648270 JB |
2863 | x_scroll_bar_expose (bar, event) |
2864 | struct scroll_bar *bar; | |
f451eb13 JB |
2865 | XEvent *event; |
2866 | { | |
ab648270 | 2867 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 | 2868 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
7556890b | 2869 | GC gc = f->output_data.x->normal_gc; |
12ba150f | 2870 | |
f451eb13 JB |
2871 | BLOCK_INPUT; |
2872 | ||
ab648270 | 2873 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2874 | |
ab648270 | 2875 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
334208b7 | 2876 | XDrawRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 JB |
2877 | |
2878 | /* x, y, width, height */ | |
12ba150f | 2879 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2880 | |
f451eb13 JB |
2881 | UNBLOCK_INPUT; |
2882 | } | |
2883 | ||
ab648270 JB |
2884 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2885 | is set to something other than no_event, it is enqueued. | |
2886 | ||
2887 | This may be called from a signal handler, so we have to ignore GC | |
2888 | mark bits. */ | |
f451eb13 | 2889 | static void |
ab648270 JB |
2890 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2891 | struct scroll_bar *bar; | |
f451eb13 JB |
2892 | XEvent *event; |
2893 | struct input_event *emacs_event; | |
2894 | { | |
0299d313 | 2895 | if (! GC_WINDOWP (bar->window)) |
12ba150f JB |
2896 | abort (); |
2897 | ||
ab648270 | 2898 | emacs_event->kind = scroll_bar_click; |
69388238 | 2899 | emacs_event->code = event->xbutton.button - Button1; |
0299d313 RS |
2900 | emacs_event->modifiers |
2901 | = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO | |
2902 | (XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))), | |
2903 | event->xbutton.state) | |
2904 | | (event->type == ButtonRelease | |
2905 | ? up_modifier | |
2906 | : down_modifier)); | |
12ba150f | 2907 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2908 | emacs_event->timestamp = event->xbutton.time; |
12ba150f | 2909 | { |
0299d313 RS |
2910 | int internal_height |
2911 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2912 | int top_range | |
2913 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
ab648270 | 2914 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
2915 | |
2916 | if (y < 0) y = 0; | |
2917 | if (y > top_range) y = top_range; | |
2918 | ||
2919 | if (y < XINT (bar->start)) | |
ab648270 JB |
2920 | emacs_event->part = scroll_bar_above_handle; |
2921 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2922 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2923 | else |
ab648270 | 2924 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2925 | |
2926 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2927 | they want to drag it. Lisp code needs to be able to decide |
2928 | whether or not we're dragging. */ | |
929787e1 | 2929 | #if 0 |
12ba150f JB |
2930 | /* If the user has just clicked on the handle, record where they're |
2931 | holding it. */ | |
2932 | if (event->type == ButtonPress | |
ab648270 | 2933 | && emacs_event->part == scroll_bar_handle) |
e0c1aef2 | 2934 | XSETINT (bar->dragging, y - XINT (bar->start)); |
929787e1 | 2935 | #endif |
12ba150f JB |
2936 | |
2937 | /* If the user has released the handle, set it to its final position. */ | |
2938 | if (event->type == ButtonRelease | |
2939 | && ! NILP (bar->dragging)) | |
2940 | { | |
2941 | int new_start = y - XINT (bar->dragging); | |
2942 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2943 | |
ab648270 | 2944 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2945 | bar->dragging = Qnil; |
2946 | } | |
f451eb13 | 2947 | |
5116f055 JB |
2948 | /* Same deal here as the other #if 0. */ |
2949 | #if 0 | |
58769bee | 2950 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 2951 | the handle. */ |
ab648270 | 2952 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2953 | emacs_event->x = bar->start; |
2954 | else | |
e0c1aef2 | 2955 | XSETINT (emacs_event->x, y); |
5116f055 | 2956 | #else |
e0c1aef2 | 2957 | XSETINT (emacs_event->x, y); |
5116f055 | 2958 | #endif |
f451eb13 | 2959 | |
e0c1aef2 | 2960 | XSETINT (emacs_event->y, top_range); |
12ba150f JB |
2961 | } |
2962 | } | |
f451eb13 | 2963 | |
ab648270 JB |
2964 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2965 | ||
2966 | This may be called from a signal handler, so we have to ignore GC | |
2967 | mark bits. */ | |
f451eb13 | 2968 | static void |
ab648270 JB |
2969 | x_scroll_bar_note_movement (bar, event) |
2970 | struct scroll_bar *bar; | |
f451eb13 JB |
2971 | XEvent *event; |
2972 | { | |
39d8bb4d KH |
2973 | FRAME_PTR f = XFRAME (XWINDOW (bar->window)->frame); |
2974 | ||
f451eb13 JB |
2975 | last_mouse_movement_time = event->xmotion.time; |
2976 | ||
39d8bb4d | 2977 | f->mouse_moved = 1; |
e0c1aef2 | 2978 | XSETVECTOR (last_mouse_scroll_bar, bar); |
f451eb13 JB |
2979 | |
2980 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2981 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2982 | { |
2983 | /* Where should the handle be now? */ | |
12ba150f | 2984 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2985 | |
12ba150f | 2986 | if (new_start != XINT (bar->start)) |
f451eb13 | 2987 | { |
12ba150f | 2988 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
58769bee | 2989 | |
ab648270 | 2990 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2991 | } |
2992 | } | |
2993 | ||
2994 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2995 | moves and we can see *still* on the same position. */ | |
2996 | { | |
2997 | int dummy; | |
847e150a | 2998 | Window dummy_window; |
58769bee | 2999 | |
f451eb13 | 3000 | XQueryPointer (event->xmotion.display, event->xmotion.window, |
847e150a | 3001 | &dummy_window, &dummy_window, |
f451eb13 JB |
3002 | &dummy, &dummy, &dummy, &dummy, |
3003 | (unsigned int *) &dummy); | |
3004 | } | |
3005 | } | |
3006 | ||
12ba150f | 3007 | /* Return information to the user about the current position of the mouse |
ab648270 | 3008 | on the scroll bar. */ |
12ba150f | 3009 | static void |
334208b7 RS |
3010 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
3011 | FRAME_PTR *fp; | |
12ba150f | 3012 | Lisp_Object *bar_window; |
ab648270 | 3013 | enum scroll_bar_part *part; |
12ba150f JB |
3014 | Lisp_Object *x, *y; |
3015 | unsigned long *time; | |
3016 | { | |
ab648270 | 3017 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
334208b7 RS |
3018 | Window w = SCROLL_BAR_X_WINDOW (bar); |
3019 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
12ba150f | 3020 | int win_x, win_y; |
559cb2fb JB |
3021 | Window dummy_window; |
3022 | int dummy_coord; | |
3023 | unsigned int dummy_mask; | |
12ba150f | 3024 | |
cf7cb199 JB |
3025 | BLOCK_INPUT; |
3026 | ||
ab648270 | 3027 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 3028 | report that. */ |
334208b7 | 3029 | if (! XQueryPointer (FRAME_X_DISPLAY (f), w, |
12ba150f | 3030 | |
559cb2fb JB |
3031 | /* Root, child, root x and root y. */ |
3032 | &dummy_window, &dummy_window, | |
3033 | &dummy_coord, &dummy_coord, | |
12ba150f | 3034 | |
559cb2fb JB |
3035 | /* Position relative to scroll bar. */ |
3036 | &win_x, &win_y, | |
12ba150f | 3037 | |
559cb2fb JB |
3038 | /* Mouse buttons and modifier keys. */ |
3039 | &dummy_mask)) | |
7a13e894 | 3040 | ; |
559cb2fb JB |
3041 | else |
3042 | { | |
3043 | int inside_height | |
3044 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
3045 | int top_range | |
3046 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
3047 | ||
3048 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
3049 | ||
3050 | if (! NILP (bar->dragging)) | |
3051 | win_y -= XINT (bar->dragging); | |
3052 | ||
3053 | if (win_y < 0) | |
3054 | win_y = 0; | |
3055 | if (win_y > top_range) | |
3056 | win_y = top_range; | |
3057 | ||
334208b7 | 3058 | *fp = f; |
7a13e894 | 3059 | *bar_window = bar->window; |
559cb2fb JB |
3060 | |
3061 | if (! NILP (bar->dragging)) | |
3062 | *part = scroll_bar_handle; | |
3063 | else if (win_y < XINT (bar->start)) | |
3064 | *part = scroll_bar_above_handle; | |
3065 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3066 | *part = scroll_bar_handle; | |
3067 | else | |
3068 | *part = scroll_bar_below_handle; | |
12ba150f | 3069 | |
e0c1aef2 KH |
3070 | XSETINT (*x, win_y); |
3071 | XSETINT (*y, top_range); | |
12ba150f | 3072 | |
39d8bb4d | 3073 | f->mouse_moved = 0; |
559cb2fb JB |
3074 | last_mouse_scroll_bar = Qnil; |
3075 | } | |
12ba150f | 3076 | |
559cb2fb | 3077 | *time = last_mouse_movement_time; |
cf7cb199 | 3078 | |
cf7cb199 | 3079 | UNBLOCK_INPUT; |
12ba150f JB |
3080 | } |
3081 | ||
f451eb13 | 3082 | |
dbc4e1c1 | 3083 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
3084 | background colors, and the scroll bars may need to be redrawn. |
3085 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
3086 | redraw them. */ |
3087 | ||
ab648270 | 3088 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
3089 | FRAME_PTR f; |
3090 | { | |
3091 | Lisp_Object bar; | |
3092 | ||
9bc4522e | 3093 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); |
ab648270 | 3094 | bar = XSCROLL_BAR (bar)->next) |
334208b7 | 3095 | XClearArea (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), |
dbc4e1c1 JB |
3096 | 0, 0, 0, 0, True); |
3097 | } | |
3098 | ||
3afe33e7 | 3099 | /* This processes Expose events from the menubar specific X event |
19126e11 | 3100 | loop in xmenu.c. This allows to redisplay the frame if necessary |
3afe33e7 RS |
3101 | when handling menubar or popup items. */ |
3102 | ||
3103 | void | |
3104 | process_expose_from_menu (event) | |
3105 | XEvent event; | |
3106 | { | |
3107 | FRAME_PTR f; | |
19126e11 | 3108 | struct x_display_info *dpyinfo; |
3afe33e7 | 3109 | |
f94397b5 KH |
3110 | BLOCK_INPUT; |
3111 | ||
19126e11 KH |
3112 | dpyinfo = x_display_info_for_display (event.xexpose.display); |
3113 | f = x_window_to_frame (dpyinfo, event.xexpose.window); | |
3afe33e7 RS |
3114 | if (f) |
3115 | { | |
3116 | if (f->async_visible == 0) | |
3117 | { | |
3118 | f->async_visible = 1; | |
3119 | f->async_iconified = 0; | |
3120 | SET_FRAME_GARBAGED (f); | |
3121 | } | |
3122 | else | |
3123 | { | |
19126e11 | 3124 | dumprectangle (x_window_to_frame (dpyinfo, event.xexpose.window), |
3afe33e7 RS |
3125 | event.xexpose.x, event.xexpose.y, |
3126 | event.xexpose.width, event.xexpose.height); | |
3127 | } | |
3128 | } | |
3129 | else | |
3130 | { | |
3131 | struct scroll_bar *bar | |
3132 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3133 | |
3afe33e7 RS |
3134 | if (bar) |
3135 | x_scroll_bar_expose (bar, &event); | |
3136 | } | |
f94397b5 KH |
3137 | |
3138 | UNBLOCK_INPUT; | |
3afe33e7 | 3139 | } |
09756a85 RS |
3140 | \f |
3141 | /* Define a queue to save up SelectionRequest events for later handling. */ | |
3142 | ||
3143 | struct selection_event_queue | |
3144 | { | |
3145 | XEvent event; | |
3146 | struct selection_event_queue *next; | |
3147 | }; | |
3148 | ||
3149 | static struct selection_event_queue *queue; | |
3150 | ||
3151 | /* Nonzero means queue up certain events--don't process them yet. */ | |
3152 | static int x_queue_selection_requests; | |
3153 | ||
3154 | /* Queue up an X event *EVENT, to be processed later. */ | |
dbc4e1c1 | 3155 | |
09756a85 | 3156 | static void |
334208b7 RS |
3157 | x_queue_event (f, event) |
3158 | FRAME_PTR f; | |
09756a85 RS |
3159 | XEvent *event; |
3160 | { | |
3161 | struct selection_event_queue *queue_tmp | |
3162 | = (struct selection_event_queue *) malloc (sizeof (struct selection_event_queue)); | |
3163 | ||
58769bee | 3164 | if (queue_tmp != NULL) |
09756a85 RS |
3165 | { |
3166 | queue_tmp->event = *event; | |
3167 | queue_tmp->next = queue; | |
3168 | queue = queue_tmp; | |
3169 | } | |
3170 | } | |
3171 | ||
3172 | /* Take all the queued events and put them back | |
3173 | so that they get processed afresh. */ | |
3174 | ||
3175 | static void | |
db3906fd RS |
3176 | x_unqueue_events (display) |
3177 | Display *display; | |
09756a85 | 3178 | { |
58769bee | 3179 | while (queue != NULL) |
09756a85 RS |
3180 | { |
3181 | struct selection_event_queue *queue_tmp = queue; | |
db3906fd | 3182 | XPutBackEvent (display, &queue_tmp->event); |
09756a85 RS |
3183 | queue = queue_tmp->next; |
3184 | free ((char *)queue_tmp); | |
3185 | } | |
3186 | } | |
3187 | ||
3188 | /* Start queuing SelectionRequest events. */ | |
3189 | ||
3190 | void | |
db3906fd RS |
3191 | x_start_queuing_selection_requests (display) |
3192 | Display *display; | |
09756a85 RS |
3193 | { |
3194 | x_queue_selection_requests++; | |
3195 | } | |
3196 | ||
3197 | /* Stop queuing SelectionRequest events. */ | |
3198 | ||
3199 | void | |
db3906fd RS |
3200 | x_stop_queuing_selection_requests (display) |
3201 | Display *display; | |
09756a85 RS |
3202 | { |
3203 | x_queue_selection_requests--; | |
db3906fd | 3204 | x_unqueue_events (display); |
09756a85 | 3205 | } |
f451eb13 JB |
3206 | \f |
3207 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3208 | |
dc6f92b8 JB |
3209 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3210 | but we have to put it out here, since static variables within functions | |
3211 | sometimes don't work. */ | |
3212 | static Time enter_timestamp; | |
3213 | ||
11edeb03 | 3214 | /* This holds the state XLookupString needs to implement dead keys |
58769bee | 3215 | and other tricks known as "compose processing". _X Window System_ |
11edeb03 JB |
3216 | says that a portable program can't use this, but Stephen Gildea assures |
3217 | me that letting the compiler initialize it to zeros will work okay. | |
3218 | ||
3219 | This must be defined outside of XTread_socket, for the same reasons | |
3220 | given for enter_timestamp, above. */ | |
3221 | static XComposeStatus compose_status; | |
3222 | ||
10e6549c RS |
3223 | /* Record the last 100 characters stored |
3224 | to help debug the loss-of-chars-during-GC problem. */ | |
2224b905 RS |
3225 | static int temp_index; |
3226 | static short temp_buffer[100]; | |
10e6549c | 3227 | |
7a13e894 RS |
3228 | /* Set this to nonzero to fake an "X I/O error" |
3229 | on a particular display. */ | |
3230 | struct x_display_info *XTread_socket_fake_io_error; | |
3231 | ||
2224b905 RS |
3232 | /* When we find no input here, we occasionally do a no-op command |
3233 | to verify that the X server is still running and we can still talk with it. | |
3234 | We try all the open displays, one by one. | |
3235 | This variable is used for cycling thru the displays. */ | |
3236 | static struct x_display_info *next_noop_dpyinfo; | |
3237 | ||
dc6f92b8 JB |
3238 | /* Read events coming from the X server. |
3239 | This routine is called by the SIGIO handler. | |
3240 | We return as soon as there are no more events to be read. | |
3241 | ||
3242 | Events representing keys are stored in buffer BUFP, | |
3243 | which can hold up to NUMCHARS characters. | |
3244 | We return the number of characters stored into the buffer, | |
3245 | thus pretending to be `read'. | |
3246 | ||
3247 | WAITP is nonzero if we should block until input arrives. | |
3248 | EXPECTED is nonzero if the caller knows input is available. */ | |
3249 | ||
7c5283e4 | 3250 | int |
dc6f92b8 JB |
3251 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3252 | register int sd; | |
3253 | register struct input_event *bufp; | |
3254 | register int numchars; | |
3255 | int waitp; | |
3256 | int expected; | |
3257 | { | |
3258 | int count = 0; | |
3259 | int nbytes = 0; | |
3260 | int mask; | |
3261 | int items_pending; /* How many items are in the X queue. */ | |
3262 | XEvent event; | |
f676886a | 3263 | struct frame *f; |
66f55a9d | 3264 | int event_found = 0; |
dc6f92b8 JB |
3265 | int prefix; |
3266 | Lisp_Object part; | |
334208b7 | 3267 | struct x_display_info *dpyinfo; |
dc6f92b8 | 3268 | |
9ac0d9e0 | 3269 | if (interrupt_input_blocked) |
dc6f92b8 | 3270 | { |
9ac0d9e0 | 3271 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3272 | return -1; |
3273 | } | |
3274 | ||
9ac0d9e0 | 3275 | interrupt_input_pending = 0; |
dc6f92b8 | 3276 | BLOCK_INPUT; |
c0a04927 RS |
3277 | |
3278 | /* So people can tell when we have read the available input. */ | |
3279 | input_signal_count++; | |
3280 | ||
dc6f92b8 JB |
3281 | if (numchars <= 0) |
3282 | abort (); /* Don't think this happens. */ | |
3283 | ||
7a13e894 RS |
3284 | /* Find the display we are supposed to read input for. |
3285 | It's the one communicating on descriptor SD. */ | |
3286 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
3287 | { | |
3288 | #if 0 /* This ought to be unnecessary; let's verify it. */ | |
dc6f92b8 | 3289 | #ifdef FIOSNBIO |
7a13e894 RS |
3290 | /* If available, Xlib uses FIOSNBIO to make the socket |
3291 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3292 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3293 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
3294 | fcntl (dpyinfo->connection, F_SETFL, 0); | |
c118dd06 | 3295 | #endif /* ! defined (FIOSNBIO) */ |
7a13e894 | 3296 | #endif |
dc6f92b8 | 3297 | |
7a13e894 RS |
3298 | #if 0 /* This code can't be made to work, with multiple displays, |
3299 | and appears not to be used on any system any more. | |
3300 | Also keyboard.c doesn't turn O_NDELAY on and off | |
3301 | for X connections. */ | |
dc6f92b8 JB |
3302 | #ifndef SIGIO |
3303 | #ifndef HAVE_SELECT | |
7a13e894 RS |
3304 | if (! (fcntl (dpyinfo->connection, F_GETFL, 0) & O_NDELAY)) |
3305 | { | |
3306 | extern int read_alarm_should_throw; | |
3307 | read_alarm_should_throw = 1; | |
3308 | XPeekEvent (dpyinfo->display, &event); | |
3309 | read_alarm_should_throw = 0; | |
3310 | } | |
c118dd06 JB |
3311 | #endif /* HAVE_SELECT */ |
3312 | #endif /* SIGIO */ | |
7a13e894 | 3313 | #endif |
dc6f92b8 | 3314 | |
7a13e894 RS |
3315 | /* For debugging, this gives a way to fake an I/O error. */ |
3316 | if (dpyinfo == XTread_socket_fake_io_error) | |
3317 | { | |
3318 | XTread_socket_fake_io_error = 0; | |
3319 | x_io_error_quitter (dpyinfo->display); | |
3320 | } | |
dc6f92b8 | 3321 | |
7a13e894 | 3322 | while (XPending (dpyinfo->display) != 0) |
dc6f92b8 | 3323 | { |
7a13e894 RS |
3324 | XNextEvent (dpyinfo->display, &event); |
3325 | event_found = 1; | |
3326 | ||
3327 | switch (event.type) | |
3328 | { | |
3329 | case ClientMessage: | |
c047688c | 3330 | { |
7a13e894 RS |
3331 | if (event.xclient.message_type |
3332 | == dpyinfo->Xatom_wm_protocols | |
3333 | && event.xclient.format == 32) | |
c047688c | 3334 | { |
7a13e894 RS |
3335 | if (event.xclient.data.l[0] |
3336 | == dpyinfo->Xatom_wm_take_focus) | |
c047688c | 3337 | { |
19126e11 | 3338 | f = x_window_to_frame (dpyinfo, event.xclient.window); |
7a13e894 RS |
3339 | /* Since we set WM_TAKE_FOCUS, we must call |
3340 | XSetInputFocus explicitly. But not if f is null, | |
3341 | since that might be an event for a deleted frame. */ | |
3342 | if (f) | |
3343 | XSetInputFocus (event.xclient.display, | |
3344 | event.xclient.window, | |
3345 | RevertToPointerRoot, | |
3346 | event.xclient.data.l[1]); | |
3347 | /* Not certain about handling scroll bars here */ | |
c047688c | 3348 | } |
7a13e894 RS |
3349 | else if (event.xclient.data.l[0] |
3350 | == dpyinfo->Xatom_wm_save_yourself) | |
3351 | { | |
3352 | /* Save state modify the WM_COMMAND property to | |
3353 | something which can reinstate us. This notifies | |
3354 | the session manager, who's looking for such a | |
3355 | PropertyNotify. Can restart processing when | |
3356 | a keyboard or mouse event arrives. */ | |
3357 | if (numchars > 0) | |
3358 | { | |
19126e11 KH |
3359 | f = x_top_window_to_frame (dpyinfo, |
3360 | event.xclient.window); | |
7a13e894 RS |
3361 | |
3362 | /* This is just so we only give real data once | |
3363 | for a single Emacs process. */ | |
3364 | if (f == selected_frame) | |
3365 | XSetCommand (FRAME_X_DISPLAY (f), | |
3366 | event.xclient.window, | |
3367 | initial_argv, initial_argc); | |
3368 | else | |
3369 | XSetCommand (FRAME_X_DISPLAY (f), | |
3370 | event.xclient.window, | |
3371 | 0, 0); | |
3372 | } | |
3373 | } | |
3374 | else if (event.xclient.data.l[0] | |
3375 | == dpyinfo->Xatom_wm_delete_window) | |
1fb20991 | 3376 | { |
19126e11 KH |
3377 | struct frame *f |
3378 | = x_any_window_to_frame (dpyinfo, | |
3379 | event.xclient.window); | |
1fb20991 | 3380 | |
7a13e894 RS |
3381 | if (f) |
3382 | { | |
3383 | if (numchars == 0) | |
3384 | abort (); | |
1fb20991 | 3385 | |
7a13e894 RS |
3386 | bufp->kind = delete_window_event; |
3387 | XSETFRAME (bufp->frame_or_window, f); | |
3388 | bufp++; | |
3389 | ||
3390 | count += 1; | |
3391 | numchars -= 1; | |
3392 | } | |
1fb20991 | 3393 | } |
c047688c | 3394 | } |
7a13e894 RS |
3395 | else if (event.xclient.message_type |
3396 | == dpyinfo->Xatom_wm_configure_denied) | |
3397 | { | |
3398 | } | |
3399 | else if (event.xclient.message_type | |
3400 | == dpyinfo->Xatom_wm_window_moved) | |
3401 | { | |
3402 | int new_x, new_y; | |
19126e11 KH |
3403 | struct frame *f |
3404 | = x_window_to_frame (dpyinfo, event.xclient.window); | |
58769bee | 3405 | |
7a13e894 RS |
3406 | new_x = event.xclient.data.s[0]; |
3407 | new_y = event.xclient.data.s[1]; | |
1fb20991 | 3408 | |
7a13e894 RS |
3409 | if (f) |
3410 | { | |
7556890b RS |
3411 | f->output_data.x->left_pos = new_x; |
3412 | f->output_data.x->top_pos = new_y; | |
7a13e894 | 3413 | } |
1fb20991 | 3414 | } |
5627c40e | 3415 | #if defined (USE_X_TOOLKIT) && defined (HAVE_X11R5) |
7a13e894 RS |
3416 | else if (event.xclient.message_type |
3417 | == dpyinfo->Xatom_editres) | |
3418 | { | |
19126e11 KH |
3419 | struct frame *f |
3420 | = x_any_window_to_frame (dpyinfo, event.xclient.window); | |
7556890b | 3421 | _XEditResCheckMessages (f->output_data.x->widget, NULL, |
19126e11 | 3422 | &event, NULL); |
7a13e894 | 3423 | } |
5627c40e | 3424 | #endif /* USE_X_TOOLKIT and HAVE_X11R5 */ |
7a13e894 RS |
3425 | } |
3426 | break; | |
dc6f92b8 | 3427 | |
7a13e894 | 3428 | case SelectionNotify: |
3afe33e7 | 3429 | #ifdef USE_X_TOOLKIT |
19126e11 | 3430 | if (! x_window_to_frame (dpyinfo, event.xselection.requestor)) |
7a13e894 | 3431 | goto OTHER; |
3afe33e7 | 3432 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3433 | x_handle_selection_notify (&event); |
3434 | break; | |
d56a553a | 3435 | |
7a13e894 | 3436 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3437 | #ifdef USE_X_TOOLKIT |
19126e11 | 3438 | if (! x_window_to_frame (dpyinfo, event.xselectionclear.window)) |
7a13e894 | 3439 | goto OTHER; |
3afe33e7 | 3440 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3441 | { |
3442 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
d56a553a | 3443 | |
7a13e894 RS |
3444 | if (numchars == 0) |
3445 | abort (); | |
d56a553a | 3446 | |
7a13e894 RS |
3447 | bufp->kind = selection_clear_event; |
3448 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3449 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3450 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3451 | bufp++; | |
d56a553a | 3452 | |
7a13e894 RS |
3453 | count += 1; |
3454 | numchars -= 1; | |
3455 | } | |
3456 | break; | |
dc6f92b8 | 3457 | |
7a13e894 | 3458 | case SelectionRequest: /* Someone wants our selection. */ |
3afe33e7 | 3459 | #ifdef USE_X_TOOLKIT |
19126e11 | 3460 | if (!x_window_to_frame (dpyinfo, event.xselectionrequest.owner)) |
7a13e894 | 3461 | goto OTHER; |
3afe33e7 | 3462 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3463 | if (x_queue_selection_requests) |
19126e11 | 3464 | x_queue_event (x_window_to_frame (dpyinfo, event.xselectionrequest.owner), |
7a13e894 RS |
3465 | &event); |
3466 | else | |
3467 | { | |
3468 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
dc6f92b8 | 3469 | |
7a13e894 RS |
3470 | if (numchars == 0) |
3471 | abort (); | |
3472 | ||
3473 | bufp->kind = selection_request_event; | |
3474 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3475 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3476 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3477 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3478 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3479 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3480 | bufp++; | |
3481 | ||
3482 | count += 1; | |
3483 | numchars -= 1; | |
3484 | } | |
3485 | break; | |
3486 | ||
3487 | case PropertyNotify: | |
3afe33e7 | 3488 | #ifdef USE_X_TOOLKIT |
19126e11 | 3489 | if (!x_any_window_to_frame (dpyinfo, event.xproperty.window)) |
7a13e894 | 3490 | goto OTHER; |
3afe33e7 | 3491 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3492 | x_handle_property_notify (&event); |
3493 | break; | |
dc6f92b8 | 3494 | |
7a13e894 | 3495 | case ReparentNotify: |
19126e11 | 3496 | f = x_top_window_to_frame (dpyinfo, event.xreparent.window); |
7a13e894 RS |
3497 | if (f) |
3498 | { | |
3499 | int x, y; | |
7556890b | 3500 | f->output_data.x->parent_desc = event.xreparent.parent; |
7a13e894 | 3501 | x_real_positions (f, &x, &y); |
7556890b RS |
3502 | f->output_data.x->left_pos = x; |
3503 | f->output_data.x->top_pos = y; | |
7a13e894 RS |
3504 | } |
3505 | break; | |
3bd330d4 | 3506 | |
7a13e894 | 3507 | case Expose: |
19126e11 | 3508 | f = x_window_to_frame (dpyinfo, event.xexpose.window); |
7a13e894 | 3509 | if (f) |
dc6f92b8 | 3510 | { |
7a13e894 RS |
3511 | if (f->async_visible == 0) |
3512 | { | |
3513 | f->async_visible = 1; | |
3514 | f->async_iconified = 0; | |
3515 | SET_FRAME_GARBAGED (f); | |
3516 | } | |
3517 | else | |
19126e11 KH |
3518 | dumprectangle (x_window_to_frame (dpyinfo, |
3519 | event.xexpose.window), | |
7a13e894 RS |
3520 | event.xexpose.x, event.xexpose.y, |
3521 | event.xexpose.width, event.xexpose.height); | |
dc6f92b8 JB |
3522 | } |
3523 | else | |
7a13e894 RS |
3524 | { |
3525 | struct scroll_bar *bar | |
3526 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3527 | |
7a13e894 RS |
3528 | if (bar) |
3529 | x_scroll_bar_expose (bar, &event); | |
3afe33e7 | 3530 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3531 | else |
3532 | goto OTHER; | |
3afe33e7 | 3533 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3534 | } |
3535 | break; | |
dc6f92b8 | 3536 | |
7a13e894 RS |
3537 | case GraphicsExpose: /* This occurs when an XCopyArea's |
3538 | source area was obscured or not | |
3539 | available.*/ | |
19126e11 | 3540 | f = x_window_to_frame (dpyinfo, event.xgraphicsexpose.drawable); |
7a13e894 RS |
3541 | if (f) |
3542 | { | |
3543 | dumprectangle (f, | |
3544 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3545 | event.xgraphicsexpose.width, | |
3546 | event.xgraphicsexpose.height); | |
3547 | } | |
3afe33e7 | 3548 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3549 | else |
3550 | goto OTHER; | |
3afe33e7 | 3551 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3552 | break; |
dc6f92b8 | 3553 | |
7a13e894 RS |
3554 | case NoExpose: /* This occurs when an XCopyArea's |
3555 | source area was completely | |
3556 | available */ | |
3557 | break; | |
dc6f92b8 | 3558 | |
7a13e894 | 3559 | case UnmapNotify: |
91ea2a7a | 3560 | f = x_top_window_to_frame (dpyinfo, event.xunmap.window); |
7a13e894 RS |
3561 | if (f) /* F may no longer exist if |
3562 | the frame was deleted. */ | |
3563 | { | |
3564 | /* While a frame is unmapped, display generation is | |
3565 | disabled; you don't want to spend time updating a | |
3566 | display that won't ever be seen. */ | |
3567 | f->async_visible = 0; | |
3568 | /* We can't distinguish, from the event, whether the window | |
3569 | has become iconified or invisible. So assume, if it | |
3570 | was previously visible, than now it is iconified. | |
3571 | We depend on x_make_frame_invisible to mark it iconified. */ | |
3572 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) | |
3573 | f->async_iconified = 1; | |
bddd097c KH |
3574 | |
3575 | bufp->kind = iconify_event; | |
3576 | XSETFRAME (bufp->frame_or_window, f); | |
3577 | bufp++; | |
3578 | count++; | |
3579 | numchars--; | |
7a13e894 | 3580 | } |
3afe33e7 | 3581 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3582 | goto OTHER; |
3afe33e7 | 3583 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3584 | break; |
dc6f92b8 | 3585 | |
7a13e894 RS |
3586 | case MapNotify: |
3587 | /* We use x_top_window_to_frame because map events can come | |
3588 | for subwindows and they don't mean that the frame is visible. */ | |
19126e11 | 3589 | f = x_top_window_to_frame (dpyinfo, event.xmap.window); |
7a13e894 RS |
3590 | if (f) |
3591 | { | |
3592 | f->async_visible = 1; | |
3593 | f->async_iconified = 0; | |
dc6f92b8 | 3594 | |
7a13e894 RS |
3595 | /* wait_reading_process_input will notice this and update |
3596 | the frame's display structures. */ | |
3597 | SET_FRAME_GARBAGED (f); | |
bddd097c | 3598 | |
d806e720 RS |
3599 | if (f->iconified) |
3600 | { | |
3601 | bufp->kind = deiconify_event; | |
3602 | XSETFRAME (bufp->frame_or_window, f); | |
3603 | bufp++; | |
3604 | count++; | |
3605 | numchars--; | |
3606 | } | |
78aa2ba5 KH |
3607 | else |
3608 | /* Force a redisplay sooner or later | |
3609 | to update the frame titles | |
3610 | in case this is the second frame. */ | |
3611 | record_asynch_buffer_change (); | |
7a13e894 | 3612 | } |
3afe33e7 | 3613 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3614 | goto OTHER; |
3afe33e7 | 3615 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3616 | break; |
dc6f92b8 | 3617 | |
7a13e894 RS |
3618 | /* Turn off processing if we become fully obscured. */ |
3619 | case VisibilityNotify: | |
3620 | break; | |
dc6f92b8 | 3621 | |
7a13e894 | 3622 | case KeyPress: |
19126e11 | 3623 | f = x_any_window_to_frame (dpyinfo, event.xkey.window); |
f451eb13 | 3624 | |
7a13e894 RS |
3625 | if (f != 0) |
3626 | { | |
3627 | KeySym keysym, orig_keysym; | |
3628 | /* al%imercury@uunet.uu.net says that making this 81 instead of | |
3629 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3630 | unsigned char copy_buffer[81]; | |
3631 | int modifiers; | |
64bb1782 | 3632 | |
7a13e894 RS |
3633 | event.xkey.state |
3634 | |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3635 | extra_keyboard_modifiers); | |
3636 | modifiers = event.xkey.state; | |
3a2712f9 | 3637 | |
7a13e894 | 3638 | /* This will have to go some day... */ |
752a043f | 3639 | |
7a13e894 RS |
3640 | /* make_lispy_event turns chars into control chars. |
3641 | Don't do it here because XLookupString is too eager. */ | |
3642 | event.xkey.state &= ~ControlMask; | |
5d46f928 RS |
3643 | event.xkey.state &= ~(dpyinfo->meta_mod_mask |
3644 | | dpyinfo->super_mod_mask | |
3645 | | dpyinfo->hyper_mod_mask | |
3646 | | dpyinfo->alt_mod_mask); | |
3647 | ||
0299d313 RS |
3648 | nbytes = XLookupString (&event.xkey, copy_buffer, |
3649 | 80, &keysym, &compose_status); | |
dc6f92b8 | 3650 | |
7a13e894 | 3651 | orig_keysym = keysym; |
55123275 | 3652 | |
7a13e894 RS |
3653 | if (numchars > 1) |
3654 | { | |
3655 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) | |
3656 | || keysym == XK_Delete | |
3657 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3658 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3659 | #ifdef HPUX |
7a13e894 RS |
3660 | /* This recognizes the "extended function keys". |
3661 | It seems there's no cleaner way. | |
3662 | Test IsModifierKey to avoid handling mode_switch | |
3663 | incorrectly. */ | |
3664 | || ((unsigned) (keysym) >= XK_Select | |
3665 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3666 | #endif |
3667 | #ifdef XK_dead_circumflex | |
7a13e894 | 3668 | || orig_keysym == XK_dead_circumflex |
69388238 RS |
3669 | #endif |
3670 | #ifdef XK_dead_grave | |
7a13e894 | 3671 | || orig_keysym == XK_dead_grave |
69388238 RS |
3672 | #endif |
3673 | #ifdef XK_dead_tilde | |
7a13e894 | 3674 | || orig_keysym == XK_dead_tilde |
69388238 RS |
3675 | #endif |
3676 | #ifdef XK_dead_diaeresis | |
7a13e894 | 3677 | || orig_keysym == XK_dead_diaeresis |
69388238 RS |
3678 | #endif |
3679 | #ifdef XK_dead_macron | |
7a13e894 | 3680 | || orig_keysym == XK_dead_macron |
69388238 RS |
3681 | #endif |
3682 | #ifdef XK_dead_degree | |
7a13e894 | 3683 | || orig_keysym == XK_dead_degree |
69388238 RS |
3684 | #endif |
3685 | #ifdef XK_dead_acute | |
7a13e894 | 3686 | || orig_keysym == XK_dead_acute |
69388238 RS |
3687 | #endif |
3688 | #ifdef XK_dead_cedilla | |
7a13e894 | 3689 | || orig_keysym == XK_dead_cedilla |
69388238 RS |
3690 | #endif |
3691 | #ifdef XK_dead_breve | |
7a13e894 | 3692 | || orig_keysym == XK_dead_breve |
69388238 RS |
3693 | #endif |
3694 | #ifdef XK_dead_ogonek | |
7a13e894 | 3695 | || orig_keysym == XK_dead_ogonek |
69388238 RS |
3696 | #endif |
3697 | #ifdef XK_dead_caron | |
7a13e894 | 3698 | || orig_keysym == XK_dead_caron |
69388238 RS |
3699 | #endif |
3700 | #ifdef XK_dead_doubleacute | |
7a13e894 | 3701 | || orig_keysym == XK_dead_doubleacute |
69388238 RS |
3702 | #endif |
3703 | #ifdef XK_dead_abovedot | |
7a13e894 | 3704 | || orig_keysym == XK_dead_abovedot |
c34790e0 | 3705 | #endif |
7a13e894 RS |
3706 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3707 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
3708 | /* Any "vendor-specific" key is ok. */ | |
3709 | || (orig_keysym & (1 << 28))) | |
3710 | && ! (IsModifierKey (orig_keysym) | |
7719aa06 RS |
3711 | #ifndef HAVE_X11R5 |
3712 | #ifdef XK_Mode_switch | |
7a13e894 | 3713 | || ((unsigned)(orig_keysym) == XK_Mode_switch) |
7719aa06 RS |
3714 | #endif |
3715 | #ifdef XK_Num_Lock | |
7a13e894 | 3716 | || ((unsigned)(orig_keysym) == XK_Num_Lock) |
7719aa06 RS |
3717 | #endif |
3718 | #endif /* not HAVE_X11R5 */ | |
7a13e894 | 3719 | )) |
dc6f92b8 | 3720 | { |
10e6549c RS |
3721 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3722 | temp_index = 0; | |
7a13e894 RS |
3723 | temp_buffer[temp_index++] = keysym; |
3724 | bufp->kind = non_ascii_keystroke; | |
3725 | bufp->code = keysym; | |
e0c1aef2 | 3726 | XSETFRAME (bufp->frame_or_window, f); |
334208b7 RS |
3727 | bufp->modifiers |
3728 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3729 | modifiers); | |
1113d9db | 3730 | bufp->timestamp = event.xkey.time; |
dc6f92b8 | 3731 | bufp++; |
7a13e894 RS |
3732 | count++; |
3733 | numchars--; | |
dc6f92b8 | 3734 | } |
7a13e894 RS |
3735 | else if (numchars > nbytes) |
3736 | { | |
3737 | register int i; | |
3738 | ||
3739 | for (i = 0; i < nbytes; i++) | |
3740 | { | |
3741 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
3742 | temp_index = 0; | |
3743 | temp_buffer[temp_index++] = copy_buffer[i]; | |
3744 | bufp->kind = ascii_keystroke; | |
3745 | bufp->code = copy_buffer[i]; | |
3746 | XSETFRAME (bufp->frame_or_window, f); | |
3747 | bufp->modifiers | |
3748 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3749 | modifiers); | |
3750 | bufp->timestamp = event.xkey.time; | |
3751 | bufp++; | |
3752 | } | |
3753 | ||
3754 | count += nbytes; | |
3755 | numchars -= nbytes; | |
3756 | } | |
3757 | else | |
3758 | abort (); | |
dc6f92b8 | 3759 | } |
10e6549c RS |
3760 | else |
3761 | abort (); | |
dc6f92b8 | 3762 | } |
7a13e894 | 3763 | break; |
f451eb13 | 3764 | |
7a13e894 RS |
3765 | /* Here's a possible interpretation of the whole |
3766 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3767 | FocusIn event, you have to get a FocusOut event before you | |
3768 | relinquish the focus. If you haven't received a FocusIn event, | |
3769 | then a mere LeaveNotify is enough to free you. */ | |
f451eb13 | 3770 | |
7a13e894 | 3771 | case EnterNotify: |
19126e11 | 3772 | f = x_any_window_to_frame (dpyinfo, event.xcrossing.window); |
6d4238f3 | 3773 | |
7a13e894 | 3774 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3775 | { |
7a13e894 RS |
3776 | /* Avoid nasty pop/raise loops. */ |
3777 | if (f && (!(f->auto_raise) | |
3778 | || !(f->auto_lower) | |
3779 | || (event.xcrossing.time - enter_timestamp) > 500)) | |
3780 | { | |
0f941935 | 3781 | x_new_focus_frame (dpyinfo, f); |
7a13e894 RS |
3782 | enter_timestamp = event.xcrossing.time; |
3783 | } | |
dc6f92b8 | 3784 | } |
0f941935 KH |
3785 | else if (f == dpyinfo->x_focus_frame) |
3786 | x_new_focus_frame (dpyinfo, 0); | |
7a13e894 RS |
3787 | /* EnterNotify counts as mouse movement, |
3788 | so update things that depend on mouse position. */ | |
3789 | if (f) | |
3790 | note_mouse_movement (f, &event.xmotion); | |
3afe33e7 | 3791 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3792 | goto OTHER; |
3afe33e7 | 3793 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3794 | break; |
dc6f92b8 | 3795 | |
7a13e894 | 3796 | case FocusIn: |
19126e11 | 3797 | f = x_any_window_to_frame (dpyinfo, event.xfocus.window); |
7a13e894 | 3798 | if (event.xfocus.detail != NotifyPointer) |
0f941935 | 3799 | dpyinfo->x_focus_event_frame = f; |
7a13e894 | 3800 | if (f) |
0f941935 | 3801 | x_new_focus_frame (dpyinfo, f); |
f9e24cb9 | 3802 | |
3afe33e7 | 3803 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3804 | goto OTHER; |
3afe33e7 | 3805 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3806 | break; |
f451eb13 | 3807 | |
10c5e63d | 3808 | |
7a13e894 | 3809 | case LeaveNotify: |
19126e11 | 3810 | f = x_top_window_to_frame (dpyinfo, event.xcrossing.window); |
7a13e894 | 3811 | if (f) |
10c5e63d | 3812 | { |
7a13e894 RS |
3813 | if (f == dpyinfo->mouse_face_mouse_frame) |
3814 | /* If we move outside the frame, | |
3815 | then we're certainly no longer on any text in the frame. */ | |
3816 | clear_mouse_face (dpyinfo); | |
3817 | ||
3818 | if (event.xcrossing.focus) | |
0f941935 | 3819 | x_mouse_leave (dpyinfo); |
10c5e63d | 3820 | else |
7a13e894 | 3821 | { |
0f941935 KH |
3822 | if (f == dpyinfo->x_focus_event_frame) |
3823 | dpyinfo->x_focus_event_frame = 0; | |
3824 | if (f == dpyinfo->x_focus_frame) | |
3825 | x_new_focus_frame (dpyinfo, 0); | |
7a13e894 | 3826 | } |
10c5e63d | 3827 | } |
3afe33e7 | 3828 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3829 | goto OTHER; |
3afe33e7 | 3830 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3831 | break; |
dc6f92b8 | 3832 | |
7a13e894 | 3833 | case FocusOut: |
19126e11 | 3834 | f = x_any_window_to_frame (dpyinfo, event.xfocus.window); |
7a13e894 | 3835 | if (event.xfocus.detail != NotifyPointer |
0f941935 KH |
3836 | && f == dpyinfo->x_focus_event_frame) |
3837 | dpyinfo->x_focus_event_frame = 0; | |
3838 | if (f && f == dpyinfo->x_focus_frame) | |
3839 | x_new_focus_frame (dpyinfo, 0); | |
f9e24cb9 | 3840 | |
3afe33e7 | 3841 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3842 | goto OTHER; |
3afe33e7 | 3843 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3844 | break; |
dc6f92b8 | 3845 | |
7a13e894 | 3846 | case MotionNotify: |
dc6f92b8 | 3847 | { |
7a13e894 RS |
3848 | if (dpyinfo->grabbed && last_mouse_frame |
3849 | && FRAME_LIVE_P (last_mouse_frame)) | |
3850 | f = last_mouse_frame; | |
3851 | else | |
19126e11 | 3852 | f = x_window_to_frame (dpyinfo, event.xmotion.window); |
7a13e894 RS |
3853 | if (f) |
3854 | note_mouse_movement (f, &event.xmotion); | |
3855 | else | |
3856 | { | |
3857 | struct scroll_bar *bar | |
3858 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 | 3859 | |
7a13e894 RS |
3860 | if (bar) |
3861 | x_scroll_bar_note_movement (bar, &event); | |
b8009dd1 | 3862 | |
7a13e894 RS |
3863 | /* If we move outside the frame, |
3864 | then we're certainly no longer on any text in the frame. */ | |
3865 | clear_mouse_face (dpyinfo); | |
3866 | } | |
dc6f92b8 | 3867 | } |
3afe33e7 | 3868 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3869 | goto OTHER; |
3afe33e7 | 3870 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3871 | break; |
dc6f92b8 | 3872 | |
7a13e894 | 3873 | case ConfigureNotify: |
19126e11 | 3874 | f = x_any_window_to_frame (dpyinfo, event.xconfigure.window); |
7a13e894 | 3875 | if (f |
2d7fc7e8 | 3876 | #ifdef USE_X_TOOLKIT |
7556890b | 3877 | && (event.xconfigure.window == XtWindow (f->output_data.x->widget)) |
3a35ab44 | 3878 | #endif |
2d7fc7e8 | 3879 | ) |
af395ec1 | 3880 | { |
2d7fc7e8 RS |
3881 | #ifndef USE_X_TOOLKIT |
3882 | /* In the toolkit version, change_frame_size | |
3883 | is called by the code that handles resizing | |
3884 | of the EmacsFrame widget. */ | |
7a13e894 | 3885 | |
7a13e894 RS |
3886 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); |
3887 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3888 | ||
3889 | /* Even if the number of character rows and columns has | |
3890 | not changed, the font size may have changed, so we need | |
3891 | to check the pixel dimensions as well. */ | |
3892 | if (columns != f->width | |
3893 | || rows != f->height | |
7556890b RS |
3894 | || event.xconfigure.width != f->output_data.x->pixel_width |
3895 | || event.xconfigure.height != f->output_data.x->pixel_height) | |
7a13e894 RS |
3896 | { |
3897 | change_frame_size (f, rows, columns, 0, 1); | |
3898 | SET_FRAME_GARBAGED (f); | |
3899 | } | |
2d7fc7e8 | 3900 | #endif |
af395ec1 | 3901 | |
2d7fc7e8 RS |
3902 | /* Formerly, in the USE_X_TOOLKIT version, |
3903 | we did not test send_event here. */ | |
3904 | if (1 | |
3905 | #ifndef USE_X_TOOLKIT | |
3906 | && ! event.xconfigure.send_event | |
3907 | #endif | |
3908 | ) | |
7a13e894 RS |
3909 | { |
3910 | Window win, child; | |
3911 | int win_x, win_y; | |
3912 | ||
3913 | /* Find the position of the outside upper-left corner of | |
3914 | the window, in the root coordinate system. Don't | |
3915 | refer to the parent window here; we may be processing | |
3916 | this event after the window manager has changed our | |
3917 | parent, but before we have reached the ReparentNotify. */ | |
3918 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
3919 | ||
3920 | /* From-window, to-window. */ | |
2d7fc7e8 | 3921 | event.xconfigure.window, |
7a13e894 RS |
3922 | FRAME_X_DISPLAY_INFO (f)->root_window, |
3923 | ||
3924 | /* From-position, to-position. */ | |
3925 | -event.xconfigure.border_width, | |
3926 | -event.xconfigure.border_width, | |
3927 | &win_x, &win_y, | |
3928 | ||
3929 | /* Child of win. */ | |
3930 | &child); | |
3931 | event.xconfigure.x = win_x; | |
3932 | event.xconfigure.y = win_y; | |
3933 | } | |
3a35ab44 | 3934 | |
7556890b RS |
3935 | f->output_data.x->pixel_width = event.xconfigure.width; |
3936 | f->output_data.x->pixel_height = event.xconfigure.height; | |
3937 | f->output_data.x->left_pos = event.xconfigure.x; | |
3938 | f->output_data.x->top_pos = event.xconfigure.y; | |
7a13e894 RS |
3939 | |
3940 | /* What we have now is the position of Emacs's own window. | |
3941 | Convert that to the position of the window manager window. */ | |
fd13dbb2 | 3942 | { |
7a13e894 RS |
3943 | int x, y; |
3944 | x_real_positions (f, &x, &y); | |
7556890b RS |
3945 | f->output_data.x->left_pos = x; |
3946 | f->output_data.x->top_pos = y; | |
2d7fc7e8 RS |
3947 | /* Formerly we did not do this in the USE_X_TOOLKIT |
3948 | version. Let's try making them the same. */ | |
3949 | /* #ifndef USE_X_TOOLKIT */ | |
7a13e894 RS |
3950 | if (y != event.xconfigure.y) |
3951 | { | |
3952 | /* Since the WM decorations come below top_pos now, | |
3953 | we must put them below top_pos in the future. */ | |
7556890b | 3954 | f->output_data.x->win_gravity = NorthWestGravity; |
c32cdd9a | 3955 | x_wm_set_size_hint (f, (long) 0, 0); |
7a13e894 | 3956 | } |
2d7fc7e8 | 3957 | /* #endif */ |
fd13dbb2 | 3958 | } |
7a13e894 | 3959 | } |
2d7fc7e8 RS |
3960 | #ifdef USE_X_TOOLKIT |
3961 | goto OTHER; | |
3962 | #else | |
7a13e894 | 3963 | break; |
2d7fc7e8 | 3964 | #endif |
dc6f92b8 | 3965 | |
7a13e894 RS |
3966 | case ButtonPress: |
3967 | case ButtonRelease: | |
3968 | { | |
3969 | /* If we decide we want to generate an event to be seen | |
3970 | by the rest of Emacs, we put it here. */ | |
3971 | struct input_event emacs_event; | |
3972 | emacs_event.kind = no_event; | |
dc6f92b8 | 3973 | |
7a13e894 | 3974 | bzero (&compose_status, sizeof (compose_status)); |
9b07615b | 3975 | |
9f67f20b RS |
3976 | if (dpyinfo->grabbed && last_mouse_frame |
3977 | && FRAME_LIVE_P (last_mouse_frame)) | |
3978 | f = last_mouse_frame; | |
3979 | else | |
2224b905 | 3980 | f = x_window_to_frame (dpyinfo, event.xbutton.window); |
9f67f20b | 3981 | |
7a13e894 RS |
3982 | if (f) |
3983 | { | |
0f941935 | 3984 | if (!dpyinfo->x_focus_frame || f == dpyinfo->x_focus_frame) |
7a13e894 RS |
3985 | construct_mouse_click (&emacs_event, &event, f); |
3986 | } | |
3987 | else | |
3988 | { | |
3989 | struct scroll_bar *bar | |
3990 | = x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 | 3991 | |
7a13e894 RS |
3992 | if (bar) |
3993 | x_scroll_bar_handle_click (bar, &event, &emacs_event); | |
7a13e894 RS |
3994 | } |
3995 | ||
3996 | if (event.type == ButtonPress) | |
3997 | { | |
3998 | dpyinfo->grabbed |= (1 << event.xbutton.button); | |
3999 | last_mouse_frame = f; | |
4000 | } | |
3afe33e7 RS |
4001 | else |
4002 | { | |
7a13e894 | 4003 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); |
3afe33e7 | 4004 | } |
23faf38f | 4005 | |
7a13e894 RS |
4006 | if (numchars >= 1 && emacs_event.kind != no_event) |
4007 | { | |
4008 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
4009 | bufp++; | |
4010 | count++; | |
4011 | numchars--; | |
4012 | } | |
3afe33e7 RS |
4013 | |
4014 | #ifdef USE_X_TOOLKIT | |
2224b905 RS |
4015 | f = x_menubar_window_to_frame (dpyinfo, event.xbutton.window); |
4016 | /* For a down-event in the menu bar, | |
4017 | don't pass it to Xt right now. | |
4018 | Instead, save it away | |
4019 | and we will pass it to Xt from kbd_buffer_get_event. | |
4020 | That way, we can run some Lisp code first. */ | |
4021 | if (f && event.type == ButtonPress) | |
4022 | { | |
7556890b RS |
4023 | if (f->output_data.x->saved_button_event == 0) |
4024 | f->output_data.x->saved_button_event | |
2224b905 | 4025 | = (XButtonEvent *) xmalloc (sizeof (XButtonEvent)); |
7556890b | 4026 | bcopy (&event, f->output_data.x->saved_button_event, |
2224b905 RS |
4027 | sizeof (XButtonEvent)); |
4028 | if (numchars >= 1) | |
4029 | { | |
4030 | bufp->kind = menu_bar_activate_event; | |
4031 | XSETFRAME (bufp->frame_or_window, f); | |
4032 | bufp++; | |
4033 | count++; | |
4034 | numchars--; | |
4035 | } | |
4036 | } | |
4037 | else | |
4038 | goto OTHER; | |
3afe33e7 | 4039 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
4040 | } |
4041 | break; | |
dc6f92b8 | 4042 | |
7a13e894 RS |
4043 | case CirculateNotify: |
4044 | break; | |
4045 | case CirculateRequest: | |
4046 | break; | |
dc6f92b8 | 4047 | |
7a13e894 RS |
4048 | case MappingNotify: |
4049 | /* Someone has changed the keyboard mapping - update the | |
4050 | local cache. */ | |
4051 | switch (event.xmapping.request) | |
4052 | { | |
4053 | case MappingModifier: | |
4054 | x_find_modifier_meanings (dpyinfo); | |
4055 | /* This is meant to fall through. */ | |
4056 | case MappingKeyboard: | |
4057 | XRefreshKeyboardMapping (&event.xmapping); | |
4058 | } | |
3afe33e7 | 4059 | #ifdef USE_X_TOOLKIT |
7a13e894 | 4060 | goto OTHER; |
3afe33e7 | 4061 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 4062 | break; |
dc6f92b8 | 4063 | |
7a13e894 | 4064 | default: |
3afe33e7 | 4065 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
4066 | OTHER: |
4067 | BLOCK_INPUT; | |
4068 | XtDispatchEvent (&event); | |
4069 | UNBLOCK_INPUT; | |
3afe33e7 | 4070 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
4071 | break; |
4072 | } | |
dc6f92b8 JB |
4073 | } |
4074 | } | |
4075 | ||
9a5196d0 RS |
4076 | /* On some systems, an X bug causes Emacs to get no more events |
4077 | when the window is destroyed. Detect that. (1994.) */ | |
58769bee | 4078 | if (! event_found) |
ef2a22d0 | 4079 | { |
ef2a22d0 RS |
4080 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. |
4081 | One XNOOP in 100 loops will make Emacs terminate. | |
4082 | B. Bretthauer, 1994 */ | |
4083 | x_noop_count++; | |
58769bee | 4084 | if (x_noop_count >= 100) |
ef2a22d0 RS |
4085 | { |
4086 | x_noop_count=0; | |
2224b905 RS |
4087 | |
4088 | if (next_noop_dpyinfo == 0) | |
4089 | next_noop_dpyinfo = x_display_list; | |
4090 | ||
4091 | XNoOp (next_noop_dpyinfo->display); | |
4092 | ||
4093 | /* Each time we get here, cycle through the displays now open. */ | |
4094 | next_noop_dpyinfo = next_noop_dpyinfo->next; | |
ef2a22d0 RS |
4095 | } |
4096 | } | |
502add23 | 4097 | |
0134a210 RS |
4098 | /* If the focus was just given to an autoraising frame, |
4099 | raise it now. */ | |
7a13e894 | 4100 | /* ??? This ought to be able to handle more than one such frame. */ |
0134a210 RS |
4101 | if (pending_autoraise_frame) |
4102 | { | |
4103 | x_raise_frame (pending_autoraise_frame); | |
4104 | pending_autoraise_frame = 0; | |
4105 | } | |
0134a210 | 4106 | |
dc6f92b8 JB |
4107 | UNBLOCK_INPUT; |
4108 | return count; | |
4109 | } | |
dc6f92b8 | 4110 | \f |
f451eb13 JB |
4111 | /* Drawing the cursor. */ |
4112 | ||
4113 | ||
39d8bb4d KH |
4114 | /* Draw a hollow box cursor on frame F at X, Y. |
4115 | Don't change the inside of the box. */ | |
dc6f92b8 JB |
4116 | |
4117 | static void | |
39d8bb4d | 4118 | x_draw_box (f, x, y) |
f676886a | 4119 | struct frame *f; |
39d8bb4d | 4120 | int x, y; |
dc6f92b8 | 4121 | { |
39d8bb4d KH |
4122 | int left = CHAR_TO_PIXEL_COL (f, x); |
4123 | int top = CHAR_TO_PIXEL_ROW (f, y); | |
7556890b RS |
4124 | int width = FONT_WIDTH (f->output_data.x->font); |
4125 | int height = f->output_data.x->line_height; | |
dc6f92b8 | 4126 | |
334208b7 | 4127 | XDrawRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 4128 | f->output_data.x->cursor_gc, |
dc6f92b8 | 4129 | left, top, width - 1, height - 1); |
dc6f92b8 JB |
4130 | } |
4131 | ||
f676886a | 4132 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4133 | and mark the cursor as not shown. |
4134 | This is used when the text where the cursor is | |
4135 | is about to be rewritten. */ | |
4136 | ||
4137 | static void | |
f676886a JB |
4138 | clear_cursor (f) |
4139 | struct frame *f; | |
dc6f92b8 JB |
4140 | { |
4141 | int mask; | |
4142 | ||
f451eb13 | 4143 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4144 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4145 | return; |
4146 | ||
f676886a | 4147 | x_display_cursor (f, 0); |
f676886a | 4148 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4149 | } |
4150 | ||
f676886a | 4151 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4152 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4153 | glyph drawn. */ | |
dc6f92b8 JB |
4154 | |
4155 | static void | |
f676886a JB |
4156 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4157 | struct frame *f; | |
dc6f92b8 | 4158 | int row, column; |
90e65f07 | 4159 | GLYPH glyph; |
dc6f92b8 JB |
4160 | int highlight; |
4161 | { | |
f676886a | 4162 | dumpglyphs (f, |
12ba150f JB |
4163 | CHAR_TO_PIXEL_COL (f, column), |
4164 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4165 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4166 | } |
4167 | ||
dc6f92b8 | 4168 | static void |
39d8bb4d | 4169 | x_display_bar_cursor (f, on, x, y) |
f676886a | 4170 | struct frame *f; |
dc6f92b8 | 4171 | int on; |
39d8bb4d | 4172 | int x, y; |
dc6f92b8 | 4173 | { |
f676886a | 4174 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4175 | |
49d838ea JB |
4176 | /* This is pointless on invisible frames, and dangerous on garbaged |
4177 | frames; in the latter case, the frame may be in the midst of | |
39d8bb4d | 4178 | changing its size, and x and y may be off the frame. */ |
49d838ea | 4179 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) |
dbc4e1c1 JB |
4180 | return; |
4181 | ||
4182 | if (! on && f->phys_cursor_x < 0) | |
4183 | return; | |
4184 | ||
dbc4e1c1 JB |
4185 | /* If there is anything wrong with the current cursor state, remove it. */ |
4186 | if (f->phys_cursor_x >= 0 | |
4187 | && (!on | |
39d8bb4d KH |
4188 | || f->phys_cursor_x != x |
4189 | || f->phys_cursor_y != y | |
7556890b | 4190 | || f->output_data.x->current_cursor != bar_cursor)) |
dbc4e1c1 JB |
4191 | { |
4192 | /* Erase the cursor by redrawing the character underneath it. */ | |
4193 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4194 | f->phys_cursor_glyph, | |
4195 | current_glyphs->highlight[f->phys_cursor_y]); | |
4196 | f->phys_cursor_x = -1; | |
4197 | } | |
4198 | ||
4199 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4200 | if (on | |
4201 | && (f->phys_cursor_x < 0 | |
7556890b | 4202 | || (f->output_data.x->current_cursor != bar_cursor))) |
dbc4e1c1 JB |
4203 | { |
4204 | f->phys_cursor_glyph | |
39d8bb4d KH |
4205 | = ((current_glyphs->enable[y] |
4206 | && x < current_glyphs->used[y]) | |
4207 | ? current_glyphs->glyphs[y][x] | |
dbc4e1c1 | 4208 | : SPACEGLYPH); |
334208b7 | 4209 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7556890b | 4210 | f->output_data.x->cursor_gc, |
39d8bb4d KH |
4211 | CHAR_TO_PIXEL_COL (f, x), |
4212 | CHAR_TO_PIXEL_ROW (f, y), | |
7556890b RS |
4213 | max (f->output_data.x->cursor_width, 1), |
4214 | f->output_data.x->line_height); | |
dbc4e1c1 | 4215 | |
39d8bb4d KH |
4216 | f->phys_cursor_x = x; |
4217 | f->phys_cursor_y = y; | |
dbc4e1c1 | 4218 | |
7556890b | 4219 | f->output_data.x->current_cursor = bar_cursor; |
dbc4e1c1 JB |
4220 | } |
4221 | ||
4222 | if (updating_frame != f) | |
334208b7 | 4223 | XFlush (FRAME_X_DISPLAY (f)); |
dbc4e1c1 JB |
4224 | } |
4225 | ||
4226 | ||
4227 | /* Turn the displayed cursor of frame F on or off according to ON. | |
39d8bb4d | 4228 | If ON is nonzero, where to put the cursor is specified by X and Y. */ |
dbc4e1c1 JB |
4229 | |
4230 | static void | |
39d8bb4d | 4231 | x_display_box_cursor (f, on, x, y) |
dbc4e1c1 JB |
4232 | struct frame *f; |
4233 | int on; | |
39d8bb4d | 4234 | int x, y; |
dbc4e1c1 JB |
4235 | { |
4236 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4237 | ||
49d838ea JB |
4238 | /* This is pointless on invisible frames, and dangerous on garbaged |
4239 | frames; in the latter case, the frame may be in the midst of | |
39d8bb4d | 4240 | changing its size, and x and y may be off the frame. */ |
49d838ea | 4241 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
4242 | return; |
4243 | ||
4244 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4245 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4246 | return; |
4247 | ||
4248 | /* If cursor is currently being shown and we don't want it to be | |
4249 | or it is in the wrong place, | |
4250 | or we want a hollow box and it's not so, (pout!) | |
4251 | erase it. */ | |
f676886a | 4252 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4253 | && (!on |
39d8bb4d KH |
4254 | || f->phys_cursor_x != x |
4255 | || f->phys_cursor_y != y | |
7556890b | 4256 | || (f->output_data.x->current_cursor != hollow_box_cursor |
0f941935 | 4257 | && (f != FRAME_X_DISPLAY_INFO (f)->x_highlight_frame)))) |
dc6f92b8 | 4258 | { |
79cf7456 | 4259 | int mouse_face_here = 0; |
9f67f20b | 4260 | struct frame_glyphs *active_glyphs = FRAME_CURRENT_GLYPHS (f); |
79cf7456 RS |
4261 | |
4262 | /* If the cursor is in the mouse face area, redisplay that when | |
4263 | we clear the cursor. */ | |
7a13e894 | 4264 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame |
79cf7456 | 4265 | && |
7a13e894 RS |
4266 | (f->phys_cursor_y > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
4267 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
4268 | && f->phys_cursor_x >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col)) | |
79cf7456 | 4269 | && |
7a13e894 RS |
4270 | (f->phys_cursor_y < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row |
4271 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
9f67f20b RS |
4272 | && f->phys_cursor_x < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col)) |
4273 | /* Don't redraw the cursor's spot in mouse face | |
4274 | if it is at the end of a line (on a newline). | |
4275 | The cursor appears there, but mouse highlighting does not. */ | |
4276 | && active_glyphs->used[f->phys_cursor_y] > f->phys_cursor_x) | |
79cf7456 RS |
4277 | mouse_face_here = 1; |
4278 | ||
0cdd0c9f RS |
4279 | /* If the font is not as tall as a whole line, |
4280 | we must explicitly clear the line's whole height. */ | |
7556890b | 4281 | if (FONT_HEIGHT (f->output_data.x->font) != f->output_data.x->line_height) |
334208b7 | 4282 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
4283 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4284 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
7556890b RS |
4285 | FONT_WIDTH (f->output_data.x->font), |
4286 | f->output_data.x->line_height, False); | |
dc6f92b8 | 4287 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4288 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4289 | f->phys_cursor_glyph, | |
79cf7456 RS |
4290 | (mouse_face_here |
4291 | ? 3 | |
4292 | : current_glyphs->highlight[f->phys_cursor_y])); | |
f676886a | 4293 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4294 | } |
4295 | ||
4296 | /* If we want to show a cursor, | |
4297 | or we want a box cursor and it's not so, | |
4298 | write it in the right place. */ | |
4299 | if (on | |
f676886a | 4300 | && (f->phys_cursor_x < 0 |
7556890b | 4301 | || (f->output_data.x->current_cursor != filled_box_cursor |
0f941935 | 4302 | && f == FRAME_X_DISPLAY_INFO (f)->x_highlight_frame))) |
dc6f92b8 | 4303 | { |
f676886a | 4304 | f->phys_cursor_glyph |
39d8bb4d KH |
4305 | = ((current_glyphs->enable[y] |
4306 | && x < current_glyphs->used[y]) | |
4307 | ? current_glyphs->glyphs[y][x] | |
90e65f07 | 4308 | : SPACEGLYPH); |
0f941935 | 4309 | if (f != FRAME_X_DISPLAY_INFO (f)->x_highlight_frame) |
dc6f92b8 | 4310 | { |
39d8bb4d | 4311 | x_draw_box (f, x, y); |
7556890b | 4312 | f->output_data.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4313 | } |
4314 | else | |
4315 | { | |
39d8bb4d | 4316 | x_draw_single_glyph (f, y, x, |
f676886a | 4317 | f->phys_cursor_glyph, 2); |
7556890b | 4318 | f->output_data.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4319 | } |
4320 | ||
39d8bb4d KH |
4321 | f->phys_cursor_x = x; |
4322 | f->phys_cursor_y = y; | |
dc6f92b8 JB |
4323 | } |
4324 | ||
f676886a | 4325 | if (updating_frame != f) |
334208b7 | 4326 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4327 | } |
4328 | ||
5d46f928 RS |
4329 | /* Display the cursor on frame F, or clear it, according to ON. |
4330 | Use the position specified by curs_x and curs_y | |
4331 | if we are doing an update of frame F now. | |
4332 | Otherwise use the position in the FRAME_CURSOR_X and FRAME_CURSOR_Y fields | |
4333 | of F. */ | |
4334 | ||
f676886a JB |
4335 | x_display_cursor (f, on) |
4336 | struct frame *f; | |
dc6f92b8 JB |
4337 | int on; |
4338 | { | |
f94397b5 KH |
4339 | BLOCK_INPUT; |
4340 | ||
5d46f928 RS |
4341 | /* If we're not updating, then don't change the physical cursor |
4342 | position. Just change (if appropriate) the style of display. */ | |
4343 | if (f != updating_frame) | |
4344 | { | |
4345 | curs_x = FRAME_CURSOR_X (f); | |
4346 | curs_y = FRAME_CURSOR_Y (f); | |
4347 | } | |
4348 | ||
4349 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) | |
39d8bb4d | 4350 | x_display_box_cursor (f, on, curs_x, curs_y); |
5d46f928 | 4351 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
39d8bb4d | 4352 | x_display_bar_cursor (f, on, curs_x, curs_y); |
5d46f928 RS |
4353 | else |
4354 | /* Those are the only two we have implemented! */ | |
4355 | abort (); | |
4356 | ||
4357 | UNBLOCK_INPUT; | |
4358 | } | |
4359 | ||
4360 | /* Display the cursor on frame F, or clear it, according to ON. | |
4361 | Don't change the cursor's position. */ | |
4362 | ||
4363 | x_update_cursor (f, on) | |
4364 | struct frame *f; | |
4365 | int on; | |
4366 | { | |
4367 | BLOCK_INPUT; | |
4368 | ||
dbc4e1c1 | 4369 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
39d8bb4d | 4370 | x_display_box_cursor (f, on, f->phys_cursor_x, f->phys_cursor_y); |
dbc4e1c1 | 4371 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
39d8bb4d | 4372 | x_display_bar_cursor (f, on, f->phys_cursor_x, f->phys_cursor_y); |
dbc4e1c1 JB |
4373 | else |
4374 | /* Those are the only two we have implemented! */ | |
4375 | abort (); | |
f94397b5 KH |
4376 | |
4377 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4378 | } |
4379 | \f | |
4380 | /* Icons. */ | |
4381 | ||
f676886a | 4382 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4383 | when we get an expose event for it. */ |
4384 | ||
f676886a JB |
4385 | refreshicon (f) |
4386 | struct frame *f; | |
dc6f92b8 | 4387 | { |
dc6f92b8 | 4388 | /* Normally, the window manager handles this function. */ |
dc6f92b8 JB |
4389 | } |
4390 | ||
dbc4e1c1 | 4391 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4392 | |
4393 | int | |
990ba854 | 4394 | x_bitmap_icon (f, file) |
f676886a | 4395 | struct frame *f; |
990ba854 | 4396 | Lisp_Object file; |
dc6f92b8 | 4397 | { |
7f2ae036 | 4398 | int mask, bitmap_id; |
dc6f92b8 JB |
4399 | Window icon_window; |
4400 | ||
c118dd06 | 4401 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4402 | return 1; |
4403 | ||
990ba854 | 4404 | /* Free up our existing icon bitmap if any. */ |
7556890b RS |
4405 | if (f->output_data.x->icon_bitmap > 0) |
4406 | x_destroy_bitmap (f, f->output_data.x->icon_bitmap); | |
4407 | f->output_data.x->icon_bitmap = 0; | |
990ba854 RS |
4408 | |
4409 | if (STRINGP (file)) | |
7f2ae036 RS |
4410 | bitmap_id = x_create_bitmap_from_file (f, file); |
4411 | else | |
4412 | { | |
990ba854 | 4413 | /* Create the GNU bitmap if necessary. */ |
5bf01b68 | 4414 | if (FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id < 0) |
334208b7 RS |
4415 | FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id |
4416 | = x_create_bitmap_from_data (f, gnu_bits, | |
4417 | gnu_width, gnu_height); | |
990ba854 RS |
4418 | |
4419 | /* The first time we create the GNU bitmap, | |
4420 | this increments the refcount one extra time. | |
4421 | As a result, the GNU bitmap is never freed. | |
4422 | That way, we don't have to worry about allocating it again. */ | |
334208b7 | 4423 | x_reference_bitmap (f, FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id); |
990ba854 | 4424 | |
334208b7 | 4425 | bitmap_id = FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id; |
7f2ae036 RS |
4426 | } |
4427 | ||
4428 | x_wm_set_icon_pixmap (f, bitmap_id); | |
7556890b | 4429 | f->output_data.x->icon_bitmap = bitmap_id; |
dc6f92b8 JB |
4430 | |
4431 | return 0; | |
4432 | } | |
4433 | ||
4434 | ||
1be2d067 KH |
4435 | /* Make the x-window of frame F use a rectangle with text. |
4436 | Use ICON_NAME as the text. */ | |
dc6f92b8 JB |
4437 | |
4438 | int | |
f676886a JB |
4439 | x_text_icon (f, icon_name) |
4440 | struct frame *f; | |
dc6f92b8 JB |
4441 | char *icon_name; |
4442 | { | |
c118dd06 | 4443 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4444 | return 1; |
4445 | ||
1be2d067 KH |
4446 | #ifdef HAVE_X11R4 |
4447 | { | |
4448 | XTextProperty text; | |
4449 | text.value = (unsigned char *) icon_name; | |
4450 | text.encoding = XA_STRING; | |
4451 | text.format = 8; | |
4452 | text.nitems = strlen (icon_name); | |
4453 | #ifdef USE_X_TOOLKIT | |
7556890b | 4454 | XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
1be2d067 KH |
4455 | &text); |
4456 | #else /* not USE_X_TOOLKIT */ | |
4457 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text); | |
4458 | #endif /* not USE_X_TOOLKIT */ | |
4459 | } | |
4460 | #else /* not HAVE_X11R4 */ | |
4461 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), icon_name); | |
4462 | #endif /* not HAVE_X11R4 */ | |
58769bee | 4463 | |
7556890b RS |
4464 | if (f->output_data.x->icon_bitmap > 0) |
4465 | x_destroy_bitmap (f, f->output_data.x->icon_bitmap); | |
4466 | f->output_data.x->icon_bitmap = 0; | |
b1c884c3 | 4467 | x_wm_set_icon_pixmap (f, 0); |
dc6f92b8 JB |
4468 | |
4469 | return 0; | |
4470 | } | |
4471 | \f | |
4746118a JB |
4472 | /* Handling X errors. */ |
4473 | ||
7a13e894 | 4474 | /* Handle the loss of connection to display DISPLAY. */ |
16bd92ea | 4475 | |
4746118a | 4476 | static SIGTYPE |
7a13e894 RS |
4477 | x_connection_closed (display, error_message) |
4478 | Display *display; | |
4479 | char *error_message; | |
4746118a | 4480 | { |
7a13e894 RS |
4481 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
4482 | Lisp_Object frame, tail; | |
4483 | ||
07a7096a KH |
4484 | /* Whatever we were in the middle of, we are going to throw out of it, |
4485 | so reassure various things that have error checks about being | |
4486 | called with input blocked. */ | |
4487 | TOTALLY_UNBLOCK_INPUT; | |
4488 | ||
4746118a JB |
4489 | if (_Xdebug) |
4490 | abort (); | |
12ba150f | 4491 | |
7a13e894 RS |
4492 | /* First delete frames whose minibuffers are on frames |
4493 | that are on the dead display. */ | |
4494 | FOR_EACH_FRAME (tail, frame) | |
4495 | { | |
4496 | Lisp_Object minibuf_frame; | |
4497 | minibuf_frame | |
4498 | = WINDOW_FRAME (XWINDOW (FRAME_MINIBUF_WINDOW (XFRAME (frame)))); | |
f48f33ca RS |
4499 | if (FRAME_X_P (XFRAME (frame)) |
4500 | && FRAME_X_P (XFRAME (minibuf_frame)) | |
4501 | && ! EQ (frame, minibuf_frame) | |
4502 | && FRAME_X_DISPLAY_INFO (XFRAME (minibuf_frame)) == dpyinfo) | |
7a13e894 RS |
4503 | Fdelete_frame (frame, Qt); |
4504 | } | |
4505 | ||
4506 | /* Now delete all remaining frames on the dead display. | |
4507 | We are now sure none of these is used as the minibuffer | |
4508 | for another frame that we need to delete. */ | |
4509 | FOR_EACH_FRAME (tail, frame) | |
f48f33ca RS |
4510 | if (FRAME_X_P (XFRAME (frame)) |
4511 | && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
07a7096a KH |
4512 | { |
4513 | /* Set this to t so that Fdelete_frame won't get confused | |
4514 | trying to find a replacement. */ | |
4515 | FRAME_KBOARD (XFRAME (frame))->Vdefault_minibuffer_frame = Qt; | |
4516 | Fdelete_frame (frame, Qt); | |
4517 | } | |
7a13e894 RS |
4518 | |
4519 | x_delete_display (dpyinfo); | |
4520 | ||
4521 | if (x_display_list == 0) | |
4522 | { | |
4523 | fprintf (stderr, "%s", error_message); | |
4524 | shut_down_emacs (0, 0, Qnil); | |
4525 | exit (70); | |
4526 | } | |
12ba150f | 4527 | |
7a13e894 RS |
4528 | /* Ordinary stack unwind doesn't deal with these. */ |
4529 | #ifdef SIGIO | |
4530 | sigunblock (sigmask (SIGIO)); | |
4531 | #endif | |
4532 | sigunblock (sigmask (SIGALRM)); | |
4533 | TOTALLY_UNBLOCK_INPUT; | |
4534 | ||
4535 | error ("%s", error_message); | |
4746118a JB |
4536 | } |
4537 | ||
7a13e894 RS |
4538 | /* This is the usual handler for X protocol errors. |
4539 | It kills all frames on the display that we got the error for. | |
4540 | If that was the only one, it prints an error message and kills Emacs. */ | |
4541 | ||
c118dd06 JB |
4542 | static int |
4543 | x_error_quitter (display, error) | |
4544 | Display *display; | |
4545 | XErrorEvent *error; | |
4546 | { | |
7a13e894 | 4547 | char buf[256], buf1[356]; |
dc6f92b8 | 4548 | |
58769bee | 4549 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 4550 | original error handler. */ |
dc6f92b8 | 4551 | |
c118dd06 | 4552 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
7a13e894 | 4553 | sprintf (buf1, "X protocol error: %s on protocol request %d", |
c118dd06 | 4554 | buf, error->request_code); |
7a13e894 | 4555 | x_connection_closed (display, buf1); |
dc6f92b8 JB |
4556 | } |
4557 | ||
7a13e894 RS |
4558 | /* This is the handler for X IO errors, always. |
4559 | It kills all frames on the display that we lost touch with. | |
4560 | If that was the only one, it prints an error message and kills Emacs. */ | |
4561 | ||
8922af5f JB |
4562 | static int |
4563 | x_io_error_quitter (display) | |
4564 | Display *display; | |
4565 | { | |
7a13e894 | 4566 | char buf[256]; |
8922af5f | 4567 | |
7a13e894 RS |
4568 | sprintf (buf, "Connection lost to X server `%s'", DisplayString (display)); |
4569 | x_connection_closed (display, buf); | |
8922af5f | 4570 | } |
7a13e894 | 4571 | \f |
f9e24cb9 RS |
4572 | /* Handle SIGPIPE, which can happen when the connection to a server |
4573 | simply goes away. SIGPIPE is handled by x_connection_signal. | |
4574 | It works by sending a no-op command to each X server connection. | |
4575 | When we try a connection that has closed, we get SIGPIPE again. | |
4576 | But this time, it is handled by x_connection_signal_1. | |
4577 | That function knows which connection we were testing, | |
4578 | so it closes that one. | |
4579 | ||
4580 | x_connection_closed never returns, | |
4581 | so if more than one connection was lost at once, | |
4582 | we only find one. But XTread_socket keeps trying them all, | |
4583 | so it will notice the other closed one sooner or later. */ | |
4584 | ||
4585 | ||
4586 | static struct x_display_info *x_connection_signal_dpyinfo; | |
4587 | ||
4588 | static SIGTYPE x_connection_signal (); | |
4589 | ||
4590 | static SIGTYPE | |
4591 | x_connection_signal_1 (signalnum) /* If we don't have an argument, */ | |
4592 | int signalnum; /* some compilers complain in signal calls. */ | |
4593 | { | |
4594 | signal (SIGPIPE, x_connection_signal); | |
4595 | x_connection_closed (x_connection_signal_dpyinfo, | |
4596 | "connection was lost"); | |
4597 | } | |
4598 | ||
4599 | static SIGTYPE | |
4600 | x_connection_signal (signalnum) /* If we don't have an argument, */ | |
4601 | int signalnum; /* some compilers complain in signal calls. */ | |
4602 | { | |
4603 | x_connection_signal_dpyinfo = x_display_list; | |
4604 | ||
4605 | sigunblock (SIGPIPE); | |
4606 | ||
4607 | while (x_connection_signal_dpyinfo) | |
4608 | { | |
4609 | signal (SIGPIPE, x_connection_signal_1); | |
4610 | ||
4611 | XNoOp (x_connection_signal_dpyinfo->display); | |
4612 | XSync (x_connection_signal_dpyinfo->display, False); | |
4613 | ||
4614 | /* Each time we get here, cycle through the displays now open. */ | |
4615 | x_connection_signal_dpyinfo = x_connection_signal_dpyinfo->next; | |
4616 | } | |
4617 | ||
4618 | /* We should have found some closed connection. */ | |
4619 | abort (); | |
4620 | } | |
4621 | \f | |
c118dd06 | 4622 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4623 | static char *x_caught_error_message; |
4624 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4625 | |
4626 | /* An X error handler which stores the error message in | |
4627 | x_caught_error_message. This is what's installed when | |
4628 | x_catch_errors is in effect. */ | |
7a13e894 | 4629 | |
c118dd06 JB |
4630 | static int |
4631 | x_error_catcher (display, error) | |
4632 | Display *display; | |
4633 | XErrorEvent *error; | |
4634 | { | |
4635 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4636 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4637 | } |
4638 | ||
4639 | ||
7a13e894 RS |
4640 | /* Begin trapping X errors for display DPY. Actually we trap X errors |
4641 | for all displays, but DPY should be the display you are actually | |
4642 | operating on. | |
dc6f92b8 | 4643 | |
c118dd06 JB |
4644 | After calling this function, X protocol errors no longer cause |
4645 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4646 | |
c118dd06 JB |
4647 | Calling x_check_errors signals an Emacs error if an X error has |
4648 | occurred since the last call to x_catch_errors or x_check_errors. | |
4649 | ||
4650 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4651 | ||
bc20ebbf | 4652 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4653 | |
4654 | void | |
7a13e894 RS |
4655 | x_catch_errors (dpy) |
4656 | Display *dpy; | |
dc6f92b8 | 4657 | { |
c118dd06 | 4658 | /* Make sure any errors from previous requests have been dealt with. */ |
7a13e894 | 4659 | XSync (dpy, False); |
dc6f92b8 | 4660 | |
c118dd06 | 4661 | /* Set up the error buffer. */ |
60f9aad3 | 4662 | x_caught_error_message |
cef13e55 RS |
4663 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4664 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4665 | |
c118dd06 | 4666 | /* Install our little error handler. */ |
334208b7 | 4667 | XSetErrorHandler (x_error_catcher); |
c118dd06 | 4668 | } |
16bd92ea | 4669 | |
c118dd06 JB |
4670 | /* If any X protocol errors have arrived since the last call to |
4671 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4672 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4673 | |
c118dd06 | 4674 | void |
7a13e894 RS |
4675 | x_check_errors (dpy, format) |
4676 | Display *dpy; | |
c118dd06 JB |
4677 | char *format; |
4678 | { | |
4679 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4680 | XSync (dpy, False); |
16bd92ea | 4681 | |
cef13e55 | 4682 | if (x_caught_error_message[0]) |
c118dd06 | 4683 | { |
cef13e55 | 4684 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4685 | |
cef13e55 | 4686 | sprintf (buf, format, x_caught_error_message); |
7a13e894 | 4687 | x_uncatch_errors (dpy); |
c118dd06 JB |
4688 | error (buf); |
4689 | } | |
4690 | } | |
4691 | ||
b849c413 RS |
4692 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4693 | ||
4694 | int | |
7a13e894 RS |
4695 | x_had_errors_p (dpy) |
4696 | Display *dpy; | |
b849c413 RS |
4697 | { |
4698 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4699 | XSync (dpy, False); |
b849c413 RS |
4700 | |
4701 | return x_caught_error_message[0] != 0; | |
4702 | } | |
4703 | ||
812361a1 RS |
4704 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4705 | ||
c118dd06 | 4706 | void |
7a13e894 RS |
4707 | x_uncatch_errors (dpy) |
4708 | Display *dpy; | |
c118dd06 | 4709 | { |
9ac0d9e0 | 4710 | xfree (x_caught_error_message); |
cef13e55 | 4711 | x_caught_error_message = 0; |
334208b7 | 4712 | XSetErrorHandler (x_error_quitter); |
dc6f92b8 JB |
4713 | } |
4714 | ||
dc6f92b8 JB |
4715 | #if 0 |
4716 | static unsigned int x_wire_count; | |
4717 | x_trace_wire () | |
4718 | { | |
4719 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4720 | } | |
c118dd06 | 4721 | #endif /* ! 0 */ |
dc6f92b8 JB |
4722 | |
4723 | \f | |
f451eb13 JB |
4724 | /* Changing the font of the frame. */ |
4725 | ||
76bcdf39 RS |
4726 | /* Give frame F the font named FONTNAME as its default font, and |
4727 | return the full name of that font. FONTNAME may be a wildcard | |
4728 | pattern; in that case, we choose some font that fits the pattern. | |
4729 | The return value shows which font we chose. */ | |
4730 | ||
b5cf7a0e | 4731 | Lisp_Object |
f676886a JB |
4732 | x_new_font (f, fontname) |
4733 | struct frame *f; | |
dc6f92b8 JB |
4734 | register char *fontname; |
4735 | { | |
dc6f92b8 JB |
4736 | int already_loaded; |
4737 | int n_matching_fonts; | |
4738 | XFontStruct *font_info; | |
4739 | char **font_names; | |
4740 | ||
4741 | /* Get a list of all the fonts that match this name. Once we | |
4742 | have a list of matching fonts, we compare them against the fonts | |
4743 | we already have by comparing font ids. */ | |
334208b7 | 4744 | font_names = (char **) XListFonts (FRAME_X_DISPLAY (f), fontname, |
2224a5fc | 4745 | 1024, &n_matching_fonts); |
0c94f6ee JB |
4746 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4747 | find any matches; font_names == 0 is the only clue. */ | |
4748 | if (! font_names) | |
4749 | n_matching_fonts = 0; | |
4750 | ||
5835f860 RS |
4751 | /* Don't just give up if n_matching_fonts is 0. |
4752 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4753 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 4754 | |
90e65f07 | 4755 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
4756 | already_loaded = -1; |
4757 | if (n_matching_fonts != 0) | |
4758 | { | |
4759 | int i, j; | |
dc6f92b8 | 4760 | |
7a13e894 | 4761 | for (i = 0; i < FRAME_X_DISPLAY_INFO (f)->n_fonts; i++) |
5835f860 | 4762 | for (j = 0; j < n_matching_fonts; j++) |
7a13e894 RS |
4763 | if (!strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].name, font_names[j]) |
4764 | || !strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name, font_names[j])) | |
5835f860 RS |
4765 | { |
4766 | already_loaded = i; | |
7a13e894 | 4767 | fontname = FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name; |
5835f860 RS |
4768 | goto found_font; |
4769 | } | |
4770 | } | |
dc6f92b8 | 4771 | found_font: |
58769bee | 4772 | |
dc6f92b8 | 4773 | /* If we have, just return it from the table. */ |
2224a5fc | 4774 | if (already_loaded >= 0) |
7556890b | 4775 | f->output_data.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[already_loaded].font; |
dc6f92b8 JB |
4776 | /* Otherwise, load the font and add it to the table. */ |
4777 | else | |
4778 | { | |
9696f58b | 4779 | int i; |
76bcdf39 | 4780 | char *full_name; |
dc6f92b8 | 4781 | XFontStruct *font; |
7a13e894 | 4782 | int n_fonts; |
dc6f92b8 | 4783 | |
9696f58b | 4784 | /* Try to find a character-cell font in the list. */ |
58769bee | 4785 | #if 0 |
f126bd67 | 4786 | /* A laudable goal, but this isn't how to do it. */ |
9696f58b JB |
4787 | for (i = 0; i < n_matching_fonts; i++) |
4788 | if (! font_info[i].per_char) | |
4789 | break; | |
f126bd67 JB |
4790 | #else |
4791 | i = 0; | |
4792 | #endif | |
9696f58b | 4793 | |
5835f860 RS |
4794 | /* See comment above. */ |
4795 | if (n_matching_fonts != 0) | |
9696f58b JB |
4796 | fontname = font_names[i]; |
4797 | ||
334208b7 | 4798 | font = (XFontStruct *) XLoadQueryFont (FRAME_X_DISPLAY (f), fontname); |
dc6f92b8 | 4799 | if (! font) |
5835f860 | 4800 | { |
2224a5fc | 4801 | /* Free the information from XListFonts. */ |
5835f860 | 4802 | if (n_matching_fonts) |
2224a5fc | 4803 | XFreeFontNames (font_names); |
5835f860 RS |
4804 | return Qnil; |
4805 | } | |
dc6f92b8 JB |
4806 | |
4807 | /* Do we need to create the table? */ | |
7a13e894 | 4808 | if (FRAME_X_DISPLAY_INFO (f)->font_table_size == 0) |
dc6f92b8 | 4809 | { |
7a13e894 RS |
4810 | FRAME_X_DISPLAY_INFO (f)->font_table_size = 16; |
4811 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4812 | = (struct font_info *) xmalloc (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4813 | * sizeof (struct font_info)); | |
dc6f92b8 JB |
4814 | } |
4815 | /* Do we need to grow the table? */ | |
7a13e894 RS |
4816 | else if (FRAME_X_DISPLAY_INFO (f)->n_fonts |
4817 | >= FRAME_X_DISPLAY_INFO (f)->font_table_size) | |
dc6f92b8 | 4818 | { |
7a13e894 RS |
4819 | FRAME_X_DISPLAY_INFO (f)->font_table_size *= 2; |
4820 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4821 | = (struct font_info *) xrealloc (FRAME_X_DISPLAY_INFO (f)->font_table, | |
4822 | (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4823 | * sizeof (struct font_info))); | |
dc6f92b8 JB |
4824 | } |
4825 | ||
76bcdf39 RS |
4826 | /* Try to get the full name of FONT. Put it in full_name. */ |
4827 | full_name = 0; | |
4828 | for (i = 0; i < font->n_properties; i++) | |
4829 | { | |
4830 | char *atom | |
334208b7 | 4831 | = XGetAtomName (FRAME_X_DISPLAY (f), font->properties[i].name); |
76bcdf39 | 4832 | if (!strcmp (atom, "FONT")) |
7965883b | 4833 | { |
334208b7 | 4834 | char *name = XGetAtomName (FRAME_X_DISPLAY (f), |
7965883b RS |
4835 | (Atom) (font->properties[i].card32)); |
4836 | char *p = name; | |
4837 | int dashes = 0; | |
4838 | ||
4839 | /* Count the number of dashes in the "full name". | |
4840 | If it is too few, this isn't really the font's full name, | |
4841 | so don't use it. | |
4842 | In X11R4, the fonts did not come with their canonical names | |
4843 | stored in them. */ | |
4844 | while (*p) | |
4845 | { | |
4846 | if (*p == '-') | |
4847 | dashes++; | |
4848 | p++; | |
4849 | } | |
4850 | ||
4851 | if (dashes >= 13) | |
4852 | full_name = name; | |
8ed24d5a RS |
4853 | |
4854 | break; | |
7965883b RS |
4855 | } |
4856 | ||
76bcdf39 RS |
4857 | XFree (atom); |
4858 | } | |
4859 | ||
7a13e894 RS |
4860 | n_fonts = FRAME_X_DISPLAY_INFO (f)->n_fonts; |
4861 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); | |
4862 | bcopy (fontname, FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name, strlen (fontname) + 1); | |
76bcdf39 | 4863 | if (full_name != 0) |
7a13e894 | 4864 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = full_name; |
76bcdf39 | 4865 | else |
7a13e894 | 4866 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name; |
7556890b | 4867 | f->output_data.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].font = font; |
7a13e894 | 4868 | FRAME_X_DISPLAY_INFO (f)->n_fonts++; |
76bcdf39 | 4869 | |
d53067dc RS |
4870 | if (full_name) |
4871 | fontname = full_name; | |
dc6f92b8 | 4872 | } |
2224a5fc | 4873 | |
b2cad826 KH |
4874 | /* Compute the scroll bar width in character columns. */ |
4875 | if (f->scroll_bar_pixel_width > 0) | |
4876 | { | |
7556890b | 4877 | int wid = FONT_WIDTH (f->output_data.x->font); |
b2cad826 KH |
4878 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; |
4879 | } | |
4880 | else | |
4881 | f->scroll_bar_cols = 2; | |
4882 | ||
f676886a | 4883 | /* Now make the frame display the given font. */ |
c118dd06 | 4884 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4885 | { |
7556890b RS |
4886 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->normal_gc, |
4887 | f->output_data.x->font->fid); | |
4888 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->reverse_gc, | |
4889 | f->output_data.x->font->fid); | |
4890 | XSetFont (FRAME_X_DISPLAY (f), f->output_data.x->cursor_gc, | |
4891 | f->output_data.x->font->fid); | |
f676886a | 4892 | |
a27f9f86 | 4893 | frame_update_line_height (f); |
0134a210 | 4894 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 4895 | } |
a27f9f86 RS |
4896 | else |
4897 | /* If we are setting a new frame's font for the first time, | |
4898 | there are no faces yet, so this font's height is the line height. */ | |
7556890b | 4899 | f->output_data.x->line_height = FONT_HEIGHT (f->output_data.x->font); |
dc6f92b8 | 4900 | |
b5cf7a0e | 4901 | { |
abdda982 | 4902 | Lisp_Object lispy_name; |
b5cf7a0e | 4903 | |
abdda982 | 4904 | lispy_name = build_string (fontname); |
b5cf7a0e | 4905 | |
2224a5fc | 4906 | /* Free the information from XListFonts. The data |
b5cf7a0e | 4907 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 4908 | XFreeFontNames (font_names); |
b5cf7a0e JB |
4909 | |
4910 | return lispy_name; | |
4911 | } | |
dc6f92b8 | 4912 | } |
dc6f92b8 | 4913 | \f |
43bca5d5 | 4914 | x_calc_absolute_position (f) |
f676886a | 4915 | struct frame *f; |
dc6f92b8 | 4916 | { |
6dba1858 RS |
4917 | Window win, child; |
4918 | int win_x = 0, win_y = 0; | |
7556890b | 4919 | int flags = f->output_data.x->size_hint_flags; |
c81412a0 KH |
4920 | int this_window; |
4921 | ||
4922 | #ifdef USE_X_TOOLKIT | |
7556890b | 4923 | this_window = XtWindow (f->output_data.x->widget); |
c81412a0 KH |
4924 | #else |
4925 | this_window = FRAME_X_WINDOW (f); | |
4926 | #endif | |
6dba1858 RS |
4927 | |
4928 | /* Find the position of the outside upper-left corner of | |
4929 | the inner window, with respect to the outer window. */ | |
7556890b | 4930 | if (f->output_data.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
6dba1858 RS |
4931 | { |
4932 | BLOCK_INPUT; | |
334208b7 | 4933 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
58769bee | 4934 | |
6dba1858 | 4935 | /* From-window, to-window. */ |
c81412a0 | 4936 | this_window, |
7556890b | 4937 | f->output_data.x->parent_desc, |
6dba1858 RS |
4938 | |
4939 | /* From-position, to-position. */ | |
4940 | 0, 0, &win_x, &win_y, | |
4941 | ||
4942 | /* Child of win. */ | |
4943 | &child); | |
4944 | UNBLOCK_INPUT; | |
4945 | } | |
4946 | ||
4947 | /* Treat negative positions as relative to the leftmost bottommost | |
4948 | position that fits on the screen. */ | |
20f55f9a | 4949 | if (flags & XNegative) |
7556890b RS |
4950 | f->output_data.x->left_pos = (FRAME_X_DISPLAY_INFO (f)->width |
4951 | - 2 * f->output_data.x->border_width - win_x | |
31ea78fd | 4952 | - PIXEL_WIDTH (f) |
7556890b | 4953 | + f->output_data.x->left_pos); |
dc6f92b8 | 4954 | |
20f55f9a | 4955 | if (flags & YNegative) |
7556890b RS |
4956 | f->output_data.x->top_pos = (FRAME_X_DISPLAY_INFO (f)->height |
4957 | - 2 * f->output_data.x->border_width - win_y | |
31ea78fd | 4958 | - PIXEL_HEIGHT (f) |
c81412a0 | 4959 | - (FRAME_EXTERNAL_MENU_BAR (f) |
7556890b RS |
4960 | ? f->output_data.x->menubar_height : 0) |
4961 | + f->output_data.x->top_pos); | |
3a35ab44 RS |
4962 | /* The left_pos and top_pos |
4963 | are now relative to the top and left screen edges, | |
4964 | so the flags should correspond. */ | |
7556890b | 4965 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); |
dc6f92b8 JB |
4966 | } |
4967 | ||
3a35ab44 RS |
4968 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
4969 | to really change the position, and 0 when calling from | |
4970 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
aa3ff7c9 KH |
4971 | position values). It is -1 when calling from x_set_frame_parameters, |
4972 | which means, do adjust for borders but don't change the gravity. */ | |
3a35ab44 | 4973 | |
dc05a16b | 4974 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 4975 | struct frame *f; |
dc6f92b8 | 4976 | register int xoff, yoff; |
dc05a16b | 4977 | int change_gravity; |
dc6f92b8 | 4978 | { |
4a4cbdd5 KH |
4979 | int modified_top, modified_left; |
4980 | ||
aa3ff7c9 | 4981 | if (change_gravity > 0) |
3a35ab44 | 4982 | { |
7556890b RS |
4983 | f->output_data.x->top_pos = yoff; |
4984 | f->output_data.x->left_pos = xoff; | |
4985 | f->output_data.x->size_hint_flags &= ~ (XNegative | YNegative); | |
3a35ab44 | 4986 | if (xoff < 0) |
7556890b | 4987 | f->output_data.x->size_hint_flags |= XNegative; |
3a35ab44 | 4988 | if (yoff < 0) |
7556890b RS |
4989 | f->output_data.x->size_hint_flags |= YNegative; |
4990 | f->output_data.x->win_gravity = NorthWestGravity; | |
3a35ab44 | 4991 | } |
43bca5d5 | 4992 | x_calc_absolute_position (f); |
dc6f92b8 JB |
4993 | |
4994 | BLOCK_INPUT; | |
c32cdd9a | 4995 | x_wm_set_size_hint (f, (long) 0, 0); |
3a35ab44 | 4996 | |
4a4cbdd5 KH |
4997 | /* It is a mystery why we need to add the border_width here |
4998 | when the frame is already visible, but experiment says we do. */ | |
7556890b RS |
4999 | modified_left = f->output_data.x->left_pos; |
5000 | modified_top = f->output_data.x->top_pos; | |
aa3ff7c9 | 5001 | if (change_gravity != 0) |
4a4cbdd5 | 5002 | { |
7556890b RS |
5003 | modified_left += f->output_data.x->border_width; |
5004 | modified_top += f->output_data.x->border_width; | |
4a4cbdd5 KH |
5005 | } |
5006 | ||
3afe33e7 | 5007 | #ifdef USE_X_TOOLKIT |
7556890b | 5008 | XMoveWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget), |
4a4cbdd5 | 5009 | modified_left, modified_top); |
3afe33e7 | 5010 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 5011 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
4a4cbdd5 | 5012 | modified_left, modified_top); |
3afe33e7 | 5013 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5014 | UNBLOCK_INPUT; |
5015 | } | |
5016 | ||
bc20ebbf FP |
5017 | /* Call this to change the size of frame F's x-window. |
5018 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
5019 | for this size change and subsequent size changes. | |
5020 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 5021 | |
bc20ebbf | 5022 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 5023 | struct frame *f; |
bc20ebbf | 5024 | int change_gravity; |
b1c884c3 | 5025 | int cols, rows; |
dc6f92b8 JB |
5026 | { |
5027 | int pixelwidth, pixelheight; | |
5028 | int mask; | |
dc6f92b8 | 5029 | |
80fd1fe2 FP |
5030 | #ifdef USE_X_TOOLKIT |
5031 | BLOCK_INPUT; | |
3a20653d RS |
5032 | { |
5033 | /* The x and y position of the widget is clobbered by the | |
5034 | call to XtSetValues within EmacsFrameSetCharSize. | |
5035 | This is a real kludge, but I don't understand Xt so I can't | |
5036 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
7556890b RS |
5037 | int xpos = f->output_data.x->widget->core.x; |
5038 | int ypos = f->output_data.x->widget->core.y; | |
5039 | EmacsFrameSetCharSize (f->output_data.x->edit_widget, cols, rows); | |
5040 | f->output_data.x->widget->core.x = xpos; | |
5041 | f->output_data.x->widget->core.y = ypos; | |
3a20653d | 5042 | } |
80fd1fe2 FP |
5043 | UNBLOCK_INPUT; |
5044 | ||
5045 | #else /* not USE_X_TOOLKIT */ | |
5046 | ||
dc6f92b8 JB |
5047 | BLOCK_INPUT; |
5048 | ||
b1c884c3 | 5049 | check_frame_size (f, &rows, &cols); |
7556890b | 5050 | f->output_data.x->vertical_scroll_bar_extra |
b2cad826 KH |
5051 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
5052 | ? 0 | |
5053 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
480407eb | 5054 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
7556890b | 5055 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.x->font))); |
f451eb13 JB |
5056 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
5057 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 | 5058 | |
7556890b | 5059 | f->output_data.x->win_gravity = NorthWestGravity; |
c32cdd9a | 5060 | x_wm_set_size_hint (f, (long) 0, 0); |
6ccf47d1 | 5061 | |
334208b7 RS |
5062 | XSync (FRAME_X_DISPLAY (f), False); |
5063 | XResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
5064 | pixelwidth, pixelheight); | |
b1c884c3 JB |
5065 | |
5066 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
5067 | but the window manager will get around to dealing with the size | |
5068 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
5069 | ConfigureNotify event gets here. |
5070 | ||
5071 | We could just not bother storing any of this information here, | |
5072 | and let the ConfigureNotify event set everything up, but that | |
5073 | might be kind of confusing to the lisp code, since size changes | |
5074 | wouldn't be reported in the frame parameters until some random | |
5075 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 5076 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
5077 | PIXEL_WIDTH (f) = pixelwidth; |
5078 | PIXEL_HEIGHT (f) = pixelheight; | |
5079 | ||
4d73d038 RS |
5080 | /* If cursor was outside the new size, mark it as off. */ |
5081 | if (f->phys_cursor_y >= rows | |
5082 | || f->phys_cursor_x >= cols) | |
5083 | { | |
5084 | f->phys_cursor_x = -1; | |
5085 | f->phys_cursor_y = -1; | |
5086 | } | |
5087 | ||
dbc4e1c1 JB |
5088 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
5089 | receive in the ConfigureNotify event; if we get what we asked | |
5090 | for, then the event won't cause the screen to become garbaged, so | |
5091 | we have to make sure to do it here. */ | |
5092 | SET_FRAME_GARBAGED (f); | |
5093 | ||
334208b7 | 5094 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5095 | UNBLOCK_INPUT; |
80fd1fe2 | 5096 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5097 | } |
dc6f92b8 | 5098 | \f |
d047c4eb | 5099 | /* Mouse warping. */ |
dc6f92b8 | 5100 | |
9b378208 | 5101 | void |
f676886a JB |
5102 | x_set_mouse_position (f, x, y) |
5103 | struct frame *f; | |
dc6f92b8 JB |
5104 | int x, y; |
5105 | { | |
5106 | int pix_x, pix_y; | |
5107 | ||
7556890b RS |
5108 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.x->font) / 2; |
5109 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.x->line_height / 2; | |
f451eb13 JB |
5110 | |
5111 | if (pix_x < 0) pix_x = 0; | |
5112 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
5113 | ||
5114 | if (pix_y < 0) pix_y = 0; | |
5115 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
5116 | |
5117 | BLOCK_INPUT; | |
dc6f92b8 | 5118 | |
334208b7 RS |
5119 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
5120 | 0, 0, 0, 0, pix_x, pix_y); | |
dc6f92b8 JB |
5121 | UNBLOCK_INPUT; |
5122 | } | |
5123 | ||
9b378208 RS |
5124 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
5125 | ||
5126 | void | |
5127 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
5128 | struct frame *f; | |
5129 | int pix_x, pix_y; | |
5130 | { | |
5131 | BLOCK_INPUT; | |
5132 | ||
334208b7 RS |
5133 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
5134 | 0, 0, 0, 0, pix_x, pix_y); | |
9b378208 RS |
5135 | UNBLOCK_INPUT; |
5136 | } | |
d047c4eb KH |
5137 | \f |
5138 | /* focus shifting, raising and lowering. */ | |
9b378208 | 5139 | |
f676886a JB |
5140 | x_focus_on_frame (f) |
5141 | struct frame *f; | |
dc6f92b8 | 5142 | { |
1fb20991 | 5143 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 5144 | x_raise_frame (f); |
1fb20991 | 5145 | #endif |
6d4238f3 JB |
5146 | #if 0 |
5147 | /* I don't think that the ICCCM allows programs to do things like this | |
5148 | without the interaction of the window manager. Whatever you end up | |
f676886a | 5149 | doing with this code, do it to x_unfocus_frame too. */ |
334208b7 | 5150 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dc6f92b8 | 5151 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5152 | #endif /* ! 0 */ |
dc6f92b8 JB |
5153 | } |
5154 | ||
f676886a JB |
5155 | x_unfocus_frame (f) |
5156 | struct frame *f; | |
dc6f92b8 | 5157 | { |
6d4238f3 | 5158 | #if 0 |
f676886a | 5159 | /* Look at the remarks in x_focus_on_frame. */ |
0f941935 | 5160 | if (FRAME_X_DISPLAY_INFO (f)->x_focus_frame == f) |
334208b7 | 5161 | XSetInputFocus (FRAME_X_DISPLAY (f), PointerRoot, |
dc6f92b8 | 5162 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5163 | #endif /* ! 0 */ |
dc6f92b8 JB |
5164 | } |
5165 | ||
f676886a | 5166 | /* Raise frame F. */ |
dc6f92b8 | 5167 | |
f676886a JB |
5168 | x_raise_frame (f) |
5169 | struct frame *f; | |
dc6f92b8 | 5170 | { |
3a88c238 | 5171 | if (f->async_visible) |
dc6f92b8 JB |
5172 | { |
5173 | BLOCK_INPUT; | |
3afe33e7 | 5174 | #ifdef USE_X_TOOLKIT |
7556890b | 5175 | XRaiseWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget)); |
3afe33e7 | 5176 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 5177 | XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5178 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5179 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
5180 | UNBLOCK_INPUT; |
5181 | } | |
5182 | } | |
5183 | ||
f676886a | 5184 | /* Lower frame F. */ |
dc6f92b8 | 5185 | |
f676886a JB |
5186 | x_lower_frame (f) |
5187 | struct frame *f; | |
dc6f92b8 | 5188 | { |
3a88c238 | 5189 | if (f->async_visible) |
dc6f92b8 JB |
5190 | { |
5191 | BLOCK_INPUT; | |
3afe33e7 | 5192 | #ifdef USE_X_TOOLKIT |
7556890b | 5193 | XLowerWindow (FRAME_X_DISPLAY (f), XtWindow (f->output_data.x->widget)); |
3afe33e7 | 5194 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 5195 | XLowerWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5196 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5197 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
5198 | UNBLOCK_INPUT; |
5199 | } | |
5200 | } | |
5201 | ||
dbc4e1c1 JB |
5202 | static void |
5203 | XTframe_raise_lower (f, raise) | |
5204 | FRAME_PTR f; | |
5205 | int raise; | |
5206 | { | |
5207 | if (raise) | |
5208 | x_raise_frame (f); | |
5209 | else | |
5210 | x_lower_frame (f); | |
5211 | } | |
d047c4eb KH |
5212 | \f |
5213 | /* Change of visibility. */ | |
dc6f92b8 | 5214 | |
9382638d KH |
5215 | /* This tries to wait until the frame is really visible. |
5216 | However, if the window manager asks the user where to position | |
5217 | the frame, this will return before the user finishes doing that. | |
5218 | The frame will not actually be visible at that time, | |
5219 | but it will become visible later when the window manager | |
5220 | finishes with it. */ | |
5221 | ||
f676886a JB |
5222 | x_make_frame_visible (f) |
5223 | struct frame *f; | |
dc6f92b8 JB |
5224 | { |
5225 | int mask; | |
990ba854 | 5226 | Lisp_Object type; |
dc6f92b8 | 5227 | |
dc6f92b8 | 5228 | BLOCK_INPUT; |
dc6f92b8 | 5229 | |
990ba854 RS |
5230 | type = x_icon_type (f); |
5231 | if (!NILP (type)) | |
5232 | x_bitmap_icon (f, type); | |
bdcd49ba | 5233 | |
f676886a | 5234 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 | 5235 | { |
9382638d KH |
5236 | /* We test FRAME_GARBAGED_P here to make sure we don't |
5237 | call x_set_offset a second time | |
5238 | if we get to x_make_frame_visible a second time | |
5239 | before the window gets really visible. */ | |
5240 | if (! FRAME_ICONIFIED_P (f) | |
7556890b RS |
5241 | && ! f->output_data.x->asked_for_visible) |
5242 | x_set_offset (f, f->output_data.x->left_pos, f->output_data.x->top_pos, 0); | |
dc05a16b | 5243 | |
7556890b | 5244 | f->output_data.x->asked_for_visible = 1; |
9382638d | 5245 | |
90e65f07 | 5246 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 5247 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 5248 | #ifdef USE_X_TOOLKIT |
d7a38a2e | 5249 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
7556890b | 5250 | XtMapWidget (f->output_data.x->widget); |
3afe33e7 | 5251 | #else /* not USE_X_TOOLKIT */ |
7f9c7f94 | 5252 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5253 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
5254 | #if 0 /* This seems to bring back scroll bars in the wrong places |
5255 | if the window configuration has changed. They seem | |
5256 | to come back ok without this. */ | |
ab648270 | 5257 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 5258 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 5259 | #endif |
90e65f07 | 5260 | } |
dc6f92b8 | 5261 | |
334208b7 | 5262 | XFlush (FRAME_X_DISPLAY (f)); |
90e65f07 | 5263 | |
0dacf791 RS |
5264 | /* Synchronize to ensure Emacs knows the frame is visible |
5265 | before we do anything else. We do this loop with input not blocked | |
5266 | so that incoming events are handled. */ | |
5267 | { | |
5268 | Lisp_Object frame; | |
c0a04927 RS |
5269 | int count = input_signal_count; |
5270 | ||
5271 | /* This must come after we set COUNT. */ | |
5272 | UNBLOCK_INPUT; | |
5273 | ||
e0c1aef2 | 5274 | XSETFRAME (frame, f); |
c0a04927 RS |
5275 | |
5276 | while (1) | |
2a6cf806 | 5277 | { |
334208b7 | 5278 | x_sync (f); |
c0a04927 RS |
5279 | /* Once we have handled input events, |
5280 | we should have received the MapNotify if one is coming. | |
5281 | So if we have not got it yet, stop looping. | |
5282 | Some window managers make their own decisions | |
5283 | about visibility. */ | |
5284 | if (input_signal_count != count) | |
5285 | break; | |
c12a7cbd | 5286 | /* Machines that do polling rather than SIGIO have been observed |
23cf7c60 KH |
5287 | to go into a busy-wait here. So we'll fake an alarm signal |
5288 | to let the handler know that there's something to be read. | |
5289 | We used to raise a real alarm, but it seems that the handler | |
5290 | isn't always enabled here. This is probably a bug. */ | |
8b2f8d4e | 5291 | if (input_polling_used ()) |
3b2fa4e6 RS |
5292 | { |
5293 | /* It could be confusing if a real alarm arrives while processing | |
5294 | the fake one. Turn it off and let the handler reset it. */ | |
5295 | alarm (0); | |
5296 | input_poll_signal (); | |
5297 | } | |
c0a04927 RS |
5298 | /* Once we have handled input events, |
5299 | we should have received the MapNotify if one is coming. | |
5300 | So if we have not got it yet, stop looping. | |
5301 | Some window managers make their own decisions | |
5302 | about visibility. */ | |
5303 | if (input_signal_count != count) | |
5304 | break; | |
2a6cf806 | 5305 | } |
0dacf791 RS |
5306 | FRAME_SAMPLE_VISIBILITY (f); |
5307 | } | |
dc6f92b8 JB |
5308 | } |
5309 | ||
5310 | /* Change from mapped state to withdrawn state. */ | |
5311 | ||
d047c4eb KH |
5312 | /* Make the frame visible (mapped and not iconified). */ |
5313 | ||
f676886a JB |
5314 | x_make_frame_invisible (f) |
5315 | struct frame *f; | |
dc6f92b8 JB |
5316 | { |
5317 | int mask; | |
546e6d5b RS |
5318 | Window window; |
5319 | ||
5320 | #ifdef USE_X_TOOLKIT | |
5321 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
7556890b | 5322 | window = XtWindow (f->output_data.x->widget); |
546e6d5b RS |
5323 | #else /* not USE_X_TOOLKIT */ |
5324 | window = FRAME_X_WINDOW (f); | |
5325 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5326 | |
9319ae23 | 5327 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
5328 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
5329 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 5330 | |
5627c40e | 5331 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5332 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5333 | return; |
5627c40e | 5334 | #endif |
dc6f92b8 JB |
5335 | |
5336 | BLOCK_INPUT; | |
c118dd06 | 5337 | |
af31d76f RS |
5338 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
5339 | that the current position of the window is user-specified, rather than | |
5340 | program-specified, so that when the window is mapped again, it will be | |
5341 | placed at the same location, without forcing the user to position it | |
5342 | by hand again (they have already done that once for this window.) */ | |
c32cdd9a | 5343 | x_wm_set_size_hint (f, (long) 0, 1); |
af31d76f | 5344 | |
c118dd06 JB |
5345 | #ifdef HAVE_X11R4 |
5346 | ||
334208b7 RS |
5347 | if (! XWithdrawWindow (FRAME_X_DISPLAY (f), window, |
5348 | DefaultScreen (FRAME_X_DISPLAY (f)))) | |
c118dd06 JB |
5349 | { |
5350 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5351 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 5352 | } |
c118dd06 | 5353 | #else /* ! defined (HAVE_X11R4) */ |
16bd92ea | 5354 | |
c118dd06 | 5355 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5356 | if (! EQ (Vx_no_window_manager, Qt)) |
5357 | { | |
16bd92ea | 5358 | XEvent unmap; |
dc6f92b8 | 5359 | |
16bd92ea | 5360 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 5361 | unmap.xunmap.window = window; |
334208b7 | 5362 | unmap.xunmap.event = DefaultRootWindow (FRAME_X_DISPLAY (f)); |
16bd92ea | 5363 | unmap.xunmap.from_configure = False; |
334208b7 RS |
5364 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5365 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5366 | False, |
5367 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5368 | &unmap)) | |
5369 | { | |
5370 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5371 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 5372 | } |
dc6f92b8 JB |
5373 | } |
5374 | ||
16bd92ea | 5375 | /* Unmap the window ourselves. Cheeky! */ |
334208b7 | 5376 | XUnmapWindow (FRAME_X_DISPLAY (f), window); |
c118dd06 | 5377 | #endif /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 5378 | |
5627c40e RS |
5379 | /* We can't distinguish this from iconification |
5380 | just by the event that we get from the server. | |
5381 | So we can't win using the usual strategy of letting | |
5382 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5383 | and synchronize with the server to make sure we agree. */ | |
5384 | f->visible = 0; | |
5385 | FRAME_ICONIFIED_P (f) = 0; | |
5386 | f->async_visible = 0; | |
5387 | f->async_iconified = 0; | |
5388 | ||
334208b7 | 5389 | x_sync (f); |
5627c40e | 5390 | |
dc6f92b8 JB |
5391 | UNBLOCK_INPUT; |
5392 | } | |
5393 | ||
dc6f92b8 JB |
5394 | /* Change window state from mapped to iconified. */ |
5395 | ||
f676886a JB |
5396 | x_iconify_frame (f) |
5397 | struct frame *f; | |
dc6f92b8 JB |
5398 | { |
5399 | int mask; | |
3afe33e7 | 5400 | int result; |
990ba854 | 5401 | Lisp_Object type; |
dc6f92b8 | 5402 | |
9319ae23 | 5403 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
5404 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
5405 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 5406 | |
3a88c238 | 5407 | if (f->async_iconified) |
dc6f92b8 JB |
5408 | return; |
5409 | ||
3afe33e7 | 5410 | BLOCK_INPUT; |
546e6d5b | 5411 | |
990ba854 RS |
5412 | type = x_icon_type (f); |
5413 | if (!NILP (type)) | |
5414 | x_bitmap_icon (f, type); | |
bdcd49ba RS |
5415 | |
5416 | #ifdef USE_X_TOOLKIT | |
5417 | ||
546e6d5b RS |
5418 | if (! FRAME_VISIBLE_P (f)) |
5419 | { | |
5420 | if (! EQ (Vx_no_window_manager, Qt)) | |
5421 | x_wm_set_window_state (f, IconicState); | |
5422 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
7556890b | 5423 | XtMapWidget (f->output_data.x->widget); |
546e6d5b RS |
5424 | UNBLOCK_INPUT; |
5425 | return; | |
5426 | } | |
5427 | ||
334208b7 | 5428 | result = XIconifyWindow (FRAME_X_DISPLAY (f), |
7556890b | 5429 | XtWindow (f->output_data.x->widget), |
334208b7 | 5430 | DefaultScreen (FRAME_X_DISPLAY (f))); |
3afe33e7 RS |
5431 | UNBLOCK_INPUT; |
5432 | ||
5433 | if (!result) | |
546e6d5b | 5434 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
5435 | |
5436 | f->async_iconified = 1; | |
8c002a25 KH |
5437 | |
5438 | BLOCK_INPUT; | |
334208b7 | 5439 | XFlush (FRAME_X_DISPLAY (f)); |
8c002a25 | 5440 | UNBLOCK_INPUT; |
3afe33e7 RS |
5441 | #else /* not USE_X_TOOLKIT */ |
5442 | ||
fd13dbb2 RS |
5443 | /* Make sure the X server knows where the window should be positioned, |
5444 | in case the user deiconifies with the window manager. */ | |
5445 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
7556890b | 5446 | x_set_offset (f, f->output_data.x->left_pos, f->output_data.x->top_pos, 0); |
fd13dbb2 | 5447 | |
16bd92ea JB |
5448 | /* Since we don't know which revision of X we're running, we'll use both |
5449 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5450 | ||
5451 | /* X11R4: send a ClientMessage to the window manager using the | |
5452 | WM_CHANGE_STATE type. */ | |
5453 | { | |
5454 | XEvent message; | |
58769bee | 5455 | |
c118dd06 | 5456 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea | 5457 | message.xclient.type = ClientMessage; |
334208b7 | 5458 | message.xclient.message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_change_state; |
16bd92ea JB |
5459 | message.xclient.format = 32; |
5460 | message.xclient.data.l[0] = IconicState; | |
5461 | ||
334208b7 RS |
5462 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5463 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5464 | False, |
5465 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5466 | &message)) | |
dc6f92b8 JB |
5467 | { |
5468 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5469 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 5470 | } |
16bd92ea | 5471 | } |
dc6f92b8 | 5472 | |
58769bee | 5473 | /* X11R3: set the initial_state field of the window manager hints to |
16bd92ea JB |
5474 | IconicState. */ |
5475 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5476 | |
a9c00105 RS |
5477 | if (!FRAME_VISIBLE_P (f)) |
5478 | { | |
5479 | /* If the frame was withdrawn, before, we must map it. */ | |
7f9c7f94 | 5480 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
a9c00105 RS |
5481 | } |
5482 | ||
3a88c238 | 5483 | f->async_iconified = 1; |
dc6f92b8 | 5484 | |
334208b7 | 5485 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5486 | UNBLOCK_INPUT; |
8c002a25 | 5487 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5488 | } |
d047c4eb | 5489 | \f |
c0ff3fab | 5490 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5491 | |
c0ff3fab | 5492 | x_destroy_window (f) |
f676886a | 5493 | struct frame *f; |
dc6f92b8 | 5494 | { |
7f9c7f94 RS |
5495 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
5496 | ||
dc6f92b8 | 5497 | BLOCK_INPUT; |
c0ff3fab | 5498 | |
7556890b RS |
5499 | if (f->output_data.x->icon_desc != 0) |
5500 | XDestroyWindow (FRAME_X_DISPLAY (f), f->output_data.x->icon_desc); | |
5501 | XDestroyWindow (FRAME_X_DISPLAY (f), f->output_data.x->window_desc); | |
3afe33e7 | 5502 | #ifdef USE_X_TOOLKIT |
7556890b | 5503 | XtDestroyWidget (f->output_data.x->widget); |
9d7e2e3e | 5504 | free_frame_menubar (f); |
3afe33e7 RS |
5505 | #endif /* USE_X_TOOLKIT */ |
5506 | ||
07e34cb0 | 5507 | free_frame_faces (f); |
334208b7 | 5508 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5509 | |
7556890b RS |
5510 | xfree (f->output_data.x); |
5511 | f->output_data.x = 0; | |
0f941935 KH |
5512 | if (f == dpyinfo->x_focus_frame) |
5513 | dpyinfo->x_focus_frame = 0; | |
5514 | if (f == dpyinfo->x_focus_event_frame) | |
5515 | dpyinfo->x_focus_event_frame = 0; | |
5516 | if (f == dpyinfo->x_highlight_frame) | |
5517 | dpyinfo->x_highlight_frame = 0; | |
c0ff3fab | 5518 | |
7f9c7f94 RS |
5519 | dpyinfo->reference_count--; |
5520 | ||
5521 | if (f == dpyinfo->mouse_face_mouse_frame) | |
dc05a16b | 5522 | { |
7f9c7f94 RS |
5523 | dpyinfo->mouse_face_beg_row |
5524 | = dpyinfo->mouse_face_beg_col = -1; | |
5525 | dpyinfo->mouse_face_end_row | |
5526 | = dpyinfo->mouse_face_end_col = -1; | |
5527 | dpyinfo->mouse_face_window = Qnil; | |
dc05a16b | 5528 | } |
0134a210 | 5529 | |
c0ff3fab | 5530 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5531 | } |
5532 | \f | |
f451eb13 JB |
5533 | /* Setting window manager hints. */ |
5534 | ||
af31d76f RS |
5535 | /* Set the normal size hints for the window manager, for frame F. |
5536 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5537 | that the window now has. | |
5538 | If USER_POSITION is nonzero, we set the USPosition | |
5539 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5540 | |
af31d76f | 5541 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5542 | struct frame *f; |
af31d76f RS |
5543 | long flags; |
5544 | int user_position; | |
dc6f92b8 JB |
5545 | { |
5546 | XSizeHints size_hints; | |
3afe33e7 RS |
5547 | |
5548 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5549 | Arg al[2]; |
5550 | int ac = 0; | |
5551 | Dimension widget_width, widget_height; | |
7556890b | 5552 | Window window = XtWindow (f->output_data.x->widget); |
3afe33e7 | 5553 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5554 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5555 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5556 | |
b72a58fd RS |
5557 | /* Setting PMaxSize caused various problems. */ |
5558 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5559 | |
f676886a JB |
5560 | flexlines = f->height; |
5561 | ||
7556890b RS |
5562 | size_hints.x = f->output_data.x->left_pos; |
5563 | size_hints.y = f->output_data.x->top_pos; | |
7553a6b7 | 5564 | |
7e4f2521 FP |
5565 | #ifdef USE_X_TOOLKIT |
5566 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5567 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
7556890b | 5568 | XtGetValues (f->output_data.x->widget, al, ac); |
7e4f2521 FP |
5569 | size_hints.height = widget_height; |
5570 | size_hints.width = widget_width; | |
5571 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5572 | size_hints.height = PIXEL_HEIGHT (f); |
5573 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5574 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5575 | |
7556890b RS |
5576 | size_hints.width_inc = FONT_WIDTH (f->output_data.x->font); |
5577 | size_hints.height_inc = f->output_data.x->line_height; | |
334208b7 RS |
5578 | size_hints.max_width |
5579 | = FRAME_X_DISPLAY_INFO (f)->width - CHAR_TO_PIXEL_WIDTH (f, 0); | |
5580 | size_hints.max_height | |
5581 | = FRAME_X_DISPLAY_INFO (f)->height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5582 | |
d067ea8b KH |
5583 | /* Calculate the base and minimum sizes. |
5584 | ||
5585 | (When we use the X toolkit, we don't do it here. | |
5586 | Instead we copy the values that the widgets are using, below.) */ | |
5587 | #ifndef USE_X_TOOLKIT | |
b1c884c3 | 5588 | { |
b0342f17 | 5589 | int base_width, base_height; |
0134a210 | 5590 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5591 | |
f451eb13 JB |
5592 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5593 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5594 | |
0134a210 | 5595 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5596 | |
0134a210 RS |
5597 | /* The window manager uses the base width hints to calculate the |
5598 | current number of rows and columns in the frame while | |
5599 | resizing; min_width and min_height aren't useful for this | |
5600 | purpose, since they might not give the dimensions for a | |
5601 | zero-row, zero-column frame. | |
58769bee | 5602 | |
0134a210 RS |
5603 | We use the base_width and base_height members if we have |
5604 | them; otherwise, we set the min_width and min_height members | |
5605 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5606 | |
5607 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5608 | size_hints.flags |= PBaseSize; |
5609 | size_hints.base_width = base_width; | |
5610 | size_hints.base_height = base_height; | |
5611 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5612 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5613 | #else |
0134a210 RS |
5614 | size_hints.min_width = base_width; |
5615 | size_hints.min_height = base_height; | |
b0342f17 | 5616 | #endif |
b1c884c3 | 5617 | } |
dc6f92b8 | 5618 | |
d067ea8b | 5619 | /* If we don't need the old flags, we don't need the old hint at all. */ |
af31d76f | 5620 | if (flags) |
dc6f92b8 | 5621 | { |
d067ea8b KH |
5622 | size_hints.flags |= flags; |
5623 | goto no_read; | |
5624 | } | |
5625 | #endif /* not USE_X_TOOLKIT */ | |
5626 | ||
5627 | { | |
5628 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
5629 | long supplied_return; | |
5630 | int value; | |
af31d76f RS |
5631 | |
5632 | #ifdef HAVE_X11R4 | |
d067ea8b KH |
5633 | value = XGetWMNormalHints (FRAME_X_DISPLAY (f), window, &hints, |
5634 | &supplied_return); | |
af31d76f | 5635 | #else |
d067ea8b | 5636 | value = XGetNormalHints (FRAME_X_DISPLAY (f), window, &hints); |
af31d76f | 5637 | #endif |
58769bee | 5638 | |
d067ea8b KH |
5639 | #ifdef USE_X_TOOLKIT |
5640 | size_hints.base_height = hints.base_height; | |
5641 | size_hints.base_width = hints.base_width; | |
5642 | size_hints.min_height = hints.min_height; | |
5643 | size_hints.min_width = hints.min_width; | |
5644 | #endif | |
5645 | ||
5646 | if (flags) | |
5647 | size_hints.flags |= flags; | |
5648 | else | |
5649 | { | |
5650 | if (value == 0) | |
5651 | hints.flags = 0; | |
5652 | if (hints.flags & PSize) | |
5653 | size_hints.flags |= PSize; | |
5654 | if (hints.flags & PPosition) | |
5655 | size_hints.flags |= PPosition; | |
5656 | if (hints.flags & USPosition) | |
5657 | size_hints.flags |= USPosition; | |
5658 | if (hints.flags & USSize) | |
5659 | size_hints.flags |= USSize; | |
5660 | } | |
5661 | } | |
5662 | ||
5663 | no_read: | |
0134a210 | 5664 | |
af31d76f | 5665 | #ifdef PWinGravity |
7556890b | 5666 | size_hints.win_gravity = f->output_data.x->win_gravity; |
af31d76f | 5667 | size_hints.flags |= PWinGravity; |
dc05a16b | 5668 | |
af31d76f | 5669 | if (user_position) |
6dba1858 | 5670 | { |
af31d76f RS |
5671 | size_hints.flags &= ~ PPosition; |
5672 | size_hints.flags |= USPosition; | |
6dba1858 | 5673 | } |
2554751d | 5674 | #endif /* PWinGravity */ |
6dba1858 | 5675 | |
b0342f17 | 5676 | #ifdef HAVE_X11R4 |
334208b7 | 5677 | XSetWMNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5678 | #else |
334208b7 | 5679 | XSetNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5680 | #endif |
dc6f92b8 JB |
5681 | } |
5682 | ||
5683 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5684 | x_wm_set_window_state (f, state) |
5685 | struct frame *f; | |
dc6f92b8 JB |
5686 | int state; |
5687 | { | |
3afe33e7 | 5688 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
5689 | Arg al[1]; |
5690 | ||
5691 | XtSetArg (al[0], XtNinitialState, state); | |
7556890b | 5692 | XtSetValues (f->output_data.x->widget, al, 1); |
3afe33e7 | 5693 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5694 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5695 | |
7556890b RS |
5696 | f->output_data.x->wm_hints.flags |= StateHint; |
5697 | f->output_data.x->wm_hints.initial_state = state; | |
b1c884c3 | 5698 | |
7556890b | 5699 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); |
546e6d5b | 5700 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5701 | } |
5702 | ||
7f2ae036 | 5703 | x_wm_set_icon_pixmap (f, pixmap_id) |
f676886a | 5704 | struct frame *f; |
7f2ae036 | 5705 | int pixmap_id; |
dc6f92b8 | 5706 | { |
75231bad | 5707 | #ifdef USE_X_TOOLKIT |
7556890b | 5708 | Window window = XtWindow (f->output_data.x->widget); |
75231bad | 5709 | #else |
c118dd06 | 5710 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5711 | #endif |
dc6f92b8 | 5712 | |
7f2ae036 | 5713 | if (pixmap_id > 0) |
dbc4e1c1 | 5714 | { |
7a13e894 | 5715 | Pixmap icon_pixmap = x_bitmap_pixmap (f, pixmap_id); |
7556890b | 5716 | f->output_data.x->wm_hints.icon_pixmap = icon_pixmap; |
dbc4e1c1 JB |
5717 | } |
5718 | else | |
68568555 RS |
5719 | { |
5720 | /* It seems there is no way to turn off use of an icon pixmap. | |
5721 | The following line does it, only if no icon has yet been created, | |
5722 | for some window managers. But with mwm it crashes. | |
5723 | Some people say it should clear the IconPixmapHint bit in this case, | |
5724 | but that doesn't work, and the X consortium said it isn't the | |
5725 | right thing at all. Since there is no way to win, | |
5726 | best to explicitly give up. */ | |
5727 | #if 0 | |
5728 | f->output_data.x->wm_hints.icon_pixmap = None; | |
5729 | #else | |
5730 | return; | |
5731 | #endif | |
5732 | } | |
b1c884c3 | 5733 | |
7556890b RS |
5734 | f->output_data.x->wm_hints.flags |= IconPixmapHint; |
5735 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); | |
dc6f92b8 JB |
5736 | } |
5737 | ||
f676886a JB |
5738 | x_wm_set_icon_position (f, icon_x, icon_y) |
5739 | struct frame *f; | |
dc6f92b8 JB |
5740 | int icon_x, icon_y; |
5741 | { | |
75231bad | 5742 | #ifdef USE_X_TOOLKIT |
7556890b | 5743 | Window window = XtWindow (f->output_data.x->widget); |
75231bad | 5744 | #else |
c118dd06 | 5745 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5746 | #endif |
dc6f92b8 | 5747 | |
7556890b RS |
5748 | f->output_data.x->wm_hints.flags |= IconPositionHint; |
5749 | f->output_data.x->wm_hints.icon_x = icon_x; | |
5750 | f->output_data.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5751 | |
7556890b | 5752 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints); |
dc6f92b8 JB |
5753 | } |
5754 | ||
5755 | \f | |
f451eb13 JB |
5756 | /* Initialization. */ |
5757 | ||
3afe33e7 RS |
5758 | #ifdef USE_X_TOOLKIT |
5759 | static XrmOptionDescRec emacs_options[] = { | |
5760 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5761 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5762 | ||
5763 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5764 | XrmoptionSepArg, NULL}, | |
5765 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5766 | ||
5767 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5768 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5769 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5770 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5771 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5772 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
5773 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
5774 | }; | |
5775 | #endif /* USE_X_TOOLKIT */ | |
5776 | ||
7a13e894 RS |
5777 | static int x_initialized; |
5778 | ||
29b38361 KH |
5779 | #ifdef MULTI_KBOARD |
5780 | /* Test whether two display-name strings agree up to the dot that separates | |
5781 | the screen number from the server number. */ | |
5782 | static int | |
5783 | same_x_server (name1, name2) | |
5784 | char *name1, *name2; | |
5785 | { | |
5786 | int seen_colon = 0; | |
5787 | for (; *name1 != '\0' && *name1 == *name2; name1++, name2++) | |
5788 | { | |
5789 | if (*name1 == ':') | |
5790 | seen_colon++; | |
5791 | if (seen_colon && *name1 == '.') | |
5792 | return 1; | |
5793 | } | |
5794 | return (seen_colon | |
5795 | && (*name1 == '.' || *name1 == '\0') | |
5796 | && (*name2 == '.' || *name2 == '\0')); | |
5797 | } | |
5798 | #endif | |
5799 | ||
334208b7 | 5800 | struct x_display_info * |
1f8255f2 | 5801 | x_term_init (display_name, xrm_option, resource_name) |
334208b7 | 5802 | Lisp_Object display_name; |
1f8255f2 RS |
5803 | char *xrm_option; |
5804 | char *resource_name; | |
dc6f92b8 | 5805 | { |
f676886a | 5806 | Lisp_Object frame; |
dc6f92b8 | 5807 | char *defaultvalue; |
334208b7 | 5808 | int connection; |
7a13e894 | 5809 | Display *dpy; |
334208b7 RS |
5810 | struct x_display_info *dpyinfo; |
5811 | XrmDatabase xrdb; | |
5812 | ||
60439948 KH |
5813 | BLOCK_INPUT; |
5814 | ||
7a13e894 RS |
5815 | if (!x_initialized) |
5816 | { | |
5817 | x_initialize (); | |
5818 | x_initialized = 1; | |
5819 | } | |
dc6f92b8 | 5820 | |
3afe33e7 | 5821 | #ifdef USE_X_TOOLKIT |
2d7fc7e8 RS |
5822 | /* weiner@footloose.sps.mot.com reports that this causes |
5823 | errors with X11R5: | |
5824 | X protocol error: BadAtom (invalid Atom parameter) | |
5825 | on protocol request 18skiloaf. | |
5826 | So let's not use it until R6. */ | |
5827 | #ifdef HAVE_X11XTR6 | |
bdcd49ba RS |
5828 | XtSetLanguageProc (NULL, NULL, NULL); |
5829 | #endif | |
5830 | ||
7f9c7f94 RS |
5831 | { |
5832 | int argc = 0; | |
5833 | char *argv[3]; | |
5834 | ||
5835 | argv[0] = ""; | |
5836 | argc = 1; | |
5837 | if (xrm_option) | |
5838 | { | |
5839 | argv[argc++] = "-xrm"; | |
5840 | argv[argc++] = xrm_option; | |
5841 | } | |
5842 | dpy = XtOpenDisplay (Xt_app_con, XSTRING (display_name)->data, | |
5843 | resource_name, EMACS_CLASS, | |
5844 | emacs_options, XtNumber (emacs_options), | |
5845 | &argc, argv); | |
39d8bb4d KH |
5846 | |
5847 | #ifdef HAVE_X11XTR6 | |
5848 | setlocale (LC_NUMERIC, "C"); | |
5849 | setlocale (LC_TIME, "C"); | |
5850 | #endif | |
7f9c7f94 | 5851 | } |
3afe33e7 RS |
5852 | |
5853 | #else /* not USE_X_TOOLKIT */ | |
bdcd49ba RS |
5854 | #ifdef HAVE_X11R5 |
5855 | XSetLocaleModifiers (""); | |
5856 | #endif | |
7a13e894 | 5857 | dpy = XOpenDisplay (XSTRING (display_name)->data); |
3afe33e7 | 5858 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5859 | |
7a13e894 RS |
5860 | /* Detect failure. */ |
5861 | if (dpy == 0) | |
60439948 KH |
5862 | { |
5863 | UNBLOCK_INPUT; | |
5864 | return 0; | |
5865 | } | |
7a13e894 RS |
5866 | |
5867 | /* We have definitely succeeded. Record the new connection. */ | |
5868 | ||
5869 | dpyinfo = (struct x_display_info *) xmalloc (sizeof (struct x_display_info)); | |
5870 | ||
29b38361 KH |
5871 | #ifdef MULTI_KBOARD |
5872 | { | |
5873 | struct x_display_info *share; | |
5874 | Lisp_Object tail; | |
5875 | ||
5876 | for (share = x_display_list, tail = x_display_name_list; share; | |
5877 | share = share->next, tail = XCONS (tail)->cdr) | |
5878 | if (same_x_server (XSTRING (XCONS (XCONS (tail)->car)->car)->data, | |
5879 | XSTRING (display_name)->data)) | |
5880 | break; | |
5881 | if (share) | |
5882 | dpyinfo->kboard = share->kboard; | |
5883 | else | |
5884 | { | |
5885 | dpyinfo->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); | |
5886 | init_kboard (dpyinfo->kboard); | |
59e755be KH |
5887 | if (!EQ (XSYMBOL (Qvendor_specific_keysyms)->function, Qunbound)) |
5888 | { | |
5889 | char *vendor = ServerVendor (dpy); | |
5890 | dpyinfo->kboard->Vsystem_key_alist | |
5891 | = call1 (Qvendor_specific_keysyms, | |
5892 | build_string (vendor ? vendor : "")); | |
5893 | } | |
5894 | ||
29b38361 KH |
5895 | dpyinfo->kboard->next_kboard = all_kboards; |
5896 | all_kboards = dpyinfo->kboard; | |
0ad5446c KH |
5897 | /* Don't let the initial kboard remain current longer than necessary. |
5898 | That would cause problems if a file loaded on startup tries to | |
5899 | prompt in the minibuffer. */ | |
5900 | if (current_kboard == initial_kboard) | |
5901 | current_kboard = dpyinfo->kboard; | |
29b38361 KH |
5902 | } |
5903 | dpyinfo->kboard->reference_count++; | |
5904 | } | |
b9737ad3 KH |
5905 | #endif |
5906 | ||
7a13e894 RS |
5907 | /* Put this display on the chain. */ |
5908 | dpyinfo->next = x_display_list; | |
5909 | x_display_list = dpyinfo; | |
5910 | ||
5911 | /* Put it on x_display_name_list as well, to keep them parallel. */ | |
5912 | x_display_name_list = Fcons (Fcons (display_name, Qnil), | |
5913 | x_display_name_list); | |
5914 | dpyinfo->name_list_element = XCONS (x_display_name_list)->car; | |
5915 | ||
5916 | dpyinfo->display = dpy; | |
dc6f92b8 | 5917 | |
dc6f92b8 | 5918 | #if 0 |
7a13e894 | 5919 | XSetAfterFunction (x_current_display, x_trace_wire); |
c118dd06 | 5920 | #endif /* ! 0 */ |
7a13e894 RS |
5921 | |
5922 | dpyinfo->x_id_name | |
5923 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size | |
5924 | + XSTRING (Vsystem_name)->size | |
5925 | + 2); | |
5926 | sprintf (dpyinfo->x_id_name, "%s@%s", | |
5927 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
28430d3c JB |
5928 | |
5929 | /* Figure out which modifier bits mean what. */ | |
334208b7 | 5930 | x_find_modifier_meanings (dpyinfo); |
f451eb13 | 5931 | |
ab648270 | 5932 | /* Get the scroll bar cursor. */ |
7a13e894 | 5933 | dpyinfo->vertical_scroll_bar_cursor |
334208b7 | 5934 | = XCreateFontCursor (dpyinfo->display, XC_sb_v_double_arrow); |
f451eb13 | 5935 | |
334208b7 RS |
5936 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
5937 | resource_name, EMACS_CLASS); | |
5938 | #ifdef HAVE_XRMSETDATABASE | |
5939 | XrmSetDatabase (dpyinfo->display, xrdb); | |
5940 | #else | |
5941 | dpyinfo->display->db = xrdb; | |
5942 | #endif | |
547d9db8 | 5943 | /* Put the rdb where we can find it in a way that works on |
7a13e894 RS |
5944 | all versions. */ |
5945 | dpyinfo->xrdb = xrdb; | |
334208b7 RS |
5946 | |
5947 | dpyinfo->screen = ScreenOfDisplay (dpyinfo->display, | |
5948 | DefaultScreen (dpyinfo->display)); | |
5949 | dpyinfo->visual = select_visual (dpyinfo->display, dpyinfo->screen, | |
5950 | &dpyinfo->n_planes); | |
5951 | dpyinfo->height = HeightOfScreen (dpyinfo->screen); | |
5952 | dpyinfo->width = WidthOfScreen (dpyinfo->screen); | |
5953 | dpyinfo->root_window = RootWindowOfScreen (dpyinfo->screen); | |
5954 | dpyinfo->grabbed = 0; | |
5955 | dpyinfo->reference_count = 0; | |
5956 | dpyinfo->icon_bitmap_id = -1; | |
7a13e894 RS |
5957 | dpyinfo->n_fonts = 0; |
5958 | dpyinfo->font_table_size = 0; | |
5959 | dpyinfo->bitmaps = 0; | |
5960 | dpyinfo->bitmaps_size = 0; | |
5961 | dpyinfo->bitmaps_last = 0; | |
5962 | dpyinfo->scratch_cursor_gc = 0; | |
5963 | dpyinfo->mouse_face_mouse_frame = 0; | |
5964 | dpyinfo->mouse_face_deferred_gc = 0; | |
5965 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
5966 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
5967 | dpyinfo->mouse_face_face_id = 0; | |
5968 | dpyinfo->mouse_face_window = Qnil; | |
5969 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; | |
5970 | dpyinfo->mouse_face_defer = 0; | |
0f941935 KH |
5971 | dpyinfo->x_focus_frame = 0; |
5972 | dpyinfo->x_focus_event_frame = 0; | |
5973 | dpyinfo->x_highlight_frame = 0; | |
334208b7 RS |
5974 | |
5975 | dpyinfo->Xatom_wm_protocols | |
5976 | = XInternAtom (dpyinfo->display, "WM_PROTOCOLS", False); | |
5977 | dpyinfo->Xatom_wm_take_focus | |
5978 | = XInternAtom (dpyinfo->display, "WM_TAKE_FOCUS", False); | |
5979 | dpyinfo->Xatom_wm_save_yourself | |
5980 | = XInternAtom (dpyinfo->display, "WM_SAVE_YOURSELF", False); | |
5981 | dpyinfo->Xatom_wm_delete_window | |
5982 | = XInternAtom (dpyinfo->display, "WM_DELETE_WINDOW", False); | |
5983 | dpyinfo->Xatom_wm_change_state | |
5984 | = XInternAtom (dpyinfo->display, "WM_CHANGE_STATE", False); | |
5985 | dpyinfo->Xatom_wm_configure_denied | |
5986 | = XInternAtom (dpyinfo->display, "WM_CONFIGURE_DENIED", False); | |
5987 | dpyinfo->Xatom_wm_window_moved | |
5988 | = XInternAtom (dpyinfo->display, "WM_MOVED", False); | |
5989 | dpyinfo->Xatom_editres | |
5990 | = XInternAtom (dpyinfo->display, "Editres", False); | |
5991 | dpyinfo->Xatom_CLIPBOARD | |
5992 | = XInternAtom (dpyinfo->display, "CLIPBOARD", False); | |
5993 | dpyinfo->Xatom_TIMESTAMP | |
5994 | = XInternAtom (dpyinfo->display, "TIMESTAMP", False); | |
5995 | dpyinfo->Xatom_TEXT | |
5996 | = XInternAtom (dpyinfo->display, "TEXT", False); | |
5997 | dpyinfo->Xatom_DELETE | |
5998 | = XInternAtom (dpyinfo->display, "DELETE", False); | |
5999 | dpyinfo->Xatom_MULTIPLE | |
6000 | = XInternAtom (dpyinfo->display, "MULTIPLE", False); | |
6001 | dpyinfo->Xatom_INCR | |
6002 | = XInternAtom (dpyinfo->display, "INCR", False); | |
6003 | dpyinfo->Xatom_EMACS_TMP | |
6004 | = XInternAtom (dpyinfo->display, "_EMACS_TMP_", False); | |
6005 | dpyinfo->Xatom_TARGETS | |
6006 | = XInternAtom (dpyinfo->display, "TARGETS", False); | |
6007 | dpyinfo->Xatom_NULL | |
6008 | = XInternAtom (dpyinfo->display, "NULL", False); | |
6009 | dpyinfo->Xatom_ATOM_PAIR | |
6010 | = XInternAtom (dpyinfo->display, "ATOM_PAIR", False); | |
6011 | ||
547d9db8 KH |
6012 | dpyinfo->cut_buffers_initialized = 0; |
6013 | ||
334208b7 RS |
6014 | connection = ConnectionNumber (dpyinfo->display); |
6015 | dpyinfo->connection = connection; | |
6016 | ||
87485d6f MW |
6017 | #ifdef subprocesses |
6018 | /* This is only needed for distinguishing keyboard and process input. */ | |
334208b7 | 6019 | if (connection != 0) |
7a13e894 | 6020 | add_keyboard_wait_descriptor (connection); |
87485d6f | 6021 | #endif |
6d4238f3 | 6022 | |
041b69ac | 6023 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 6024 | #ifdef F_SETOWN |
dc6f92b8 | 6025 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 | 6026 | /* stdin is a socket here */ |
334208b7 | 6027 | fcntl (connection, F_SETOWN, -getpid ()); |
c118dd06 | 6028 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
334208b7 | 6029 | fcntl (connection, F_SETOWN, getpid ()); |
c118dd06 JB |
6030 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
6031 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 6032 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
6033 | |
6034 | #ifdef SIGIO | |
eee20f6a KH |
6035 | if (interrupt_input) |
6036 | init_sigio (connection); | |
c118dd06 | 6037 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 6038 | |
60439948 KH |
6039 | UNBLOCK_INPUT; |
6040 | ||
7a13e894 RS |
6041 | return dpyinfo; |
6042 | } | |
6043 | \f | |
6044 | /* Get rid of display DPYINFO, assuming all frames are already gone, | |
6045 | and without sending any more commands to the X server. */ | |
dc6f92b8 | 6046 | |
7a13e894 RS |
6047 | void |
6048 | x_delete_display (dpyinfo) | |
6049 | struct x_display_info *dpyinfo; | |
6050 | { | |
6051 | delete_keyboard_wait_descriptor (dpyinfo->connection); | |
6052 | ||
6053 | /* Discard this display from x_display_name_list and x_display_list. | |
6054 | We can't use Fdelq because that can quit. */ | |
6055 | if (! NILP (x_display_name_list) | |
6056 | && EQ (XCONS (x_display_name_list)->car, dpyinfo->name_list_element)) | |
6057 | x_display_name_list = XCONS (x_display_name_list)->cdr; | |
6058 | else | |
6059 | { | |
6060 | Lisp_Object tail; | |
6061 | ||
6062 | tail = x_display_name_list; | |
6063 | while (CONSP (tail) && CONSP (XCONS (tail)->cdr)) | |
6064 | { | |
6065 | if (EQ (XCONS (XCONS (tail)->cdr)->car, | |
6066 | dpyinfo->name_list_element)) | |
6067 | { | |
6068 | XCONS (tail)->cdr = XCONS (XCONS (tail)->cdr)->cdr; | |
6069 | break; | |
6070 | } | |
6071 | tail = XCONS (tail)->cdr; | |
6072 | } | |
6073 | } | |
6074 | ||
6075 | if (x_display_list == dpyinfo) | |
6076 | x_display_list = dpyinfo->next; | |
7f9c7f94 RS |
6077 | else |
6078 | { | |
6079 | struct x_display_info *tail; | |
7a13e894 | 6080 | |
7f9c7f94 RS |
6081 | for (tail = x_display_list; tail; tail = tail->next) |
6082 | if (tail->next == dpyinfo) | |
6083 | tail->next = tail->next->next; | |
6084 | } | |
7a13e894 | 6085 | |
0d777288 RS |
6086 | #ifndef USE_X_TOOLKIT /* I'm told Xt does this itself. */ |
6087 | #ifndef AIX /* On AIX, XCloseDisplay calls this. */ | |
7f9c7f94 RS |
6088 | XrmDestroyDatabase (dpyinfo->xrdb); |
6089 | #endif | |
0d777288 | 6090 | #endif |
29b38361 KH |
6091 | #ifdef MULTI_KBOARD |
6092 | if (--dpyinfo->kboard->reference_count == 0) | |
39f79001 | 6093 | delete_kboard (dpyinfo->kboard); |
b9737ad3 KH |
6094 | #endif |
6095 | xfree (dpyinfo->font_table); | |
6096 | xfree (dpyinfo->x_id_name); | |
6097 | xfree (dpyinfo); | |
7a13e894 RS |
6098 | } |
6099 | \f | |
6100 | /* Set up use of X before we make the first connection. */ | |
6101 | ||
6102 | x_initialize () | |
6103 | { | |
f676886a | 6104 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
6105 | clear_end_of_line_hook = XTclear_end_of_line; |
6106 | ins_del_lines_hook = XTins_del_lines; | |
6107 | change_line_highlight_hook = XTchange_line_highlight; | |
6108 | insert_glyphs_hook = XTinsert_glyphs; | |
6109 | write_glyphs_hook = XTwrite_glyphs; | |
6110 | delete_glyphs_hook = XTdelete_glyphs; | |
6111 | ring_bell_hook = XTring_bell; | |
6112 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
6113 | set_terminal_modes_hook = XTset_terminal_modes; | |
6114 | update_begin_hook = XTupdate_begin; | |
6115 | update_end_hook = XTupdate_end; | |
6116 | set_terminal_window_hook = XTset_terminal_window; | |
6117 | read_socket_hook = XTread_socket; | |
b8009dd1 | 6118 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
6119 | cursor_to_hook = XTcursor_to; |
6120 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 6121 | mouse_position_hook = XTmouse_position; |
f451eb13 | 6122 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 6123 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
6124 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
6125 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
6126 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
6127 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
58769bee | 6128 | |
f676886a | 6129 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
6130 | char_ins_del_ok = 0; /* just as fast to write the line */ |
6131 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
6132 | fast_clear_end_of_line = 1; /* X does this well */ | |
58769bee | 6133 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
6134 | off the bottom */ |
6135 | baud_rate = 19200; | |
6136 | ||
7a13e894 RS |
6137 | x_noop_count = 0; |
6138 | ||
b30b24cb RS |
6139 | /* Try to use interrupt input; if we can't, then start polling. */ |
6140 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
6141 | ||
7f9c7f94 RS |
6142 | #ifdef USE_X_TOOLKIT |
6143 | XtToolkitInitialize (); | |
6144 | Xt_app_con = XtCreateApplicationContext (); | |
665881ad | 6145 | XtAppSetFallbackResources (Xt_app_con, Xt_default_resources); |
7f9c7f94 RS |
6146 | #endif |
6147 | ||
58769bee | 6148 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 6149 | original error handler. */ |
334208b7 RS |
6150 | XSetErrorHandler (x_error_quitter); |
6151 | XSetIOErrorHandler (x_io_error_quitter); | |
dc6f92b8 JB |
6152 | |
6153 | /* Disable Window Change signals; they are handled by X events. */ | |
6154 | #ifdef SIGWINCH | |
6155 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 6156 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 6157 | |
92e2441b | 6158 | signal (SIGPIPE, x_connection_signal); |
dc6f92b8 | 6159 | } |
55123275 JB |
6160 | |
6161 | void | |
6162 | syms_of_xterm () | |
6163 | { | |
7a13e894 RS |
6164 | staticpro (&x_display_name_list); |
6165 | x_display_name_list = Qnil; | |
334208b7 | 6166 | |
ab648270 | 6167 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 6168 | last_mouse_scroll_bar = Qnil; |
59e755be KH |
6169 | |
6170 | staticpro (&Qvendor_specific_keysyms); | |
6171 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
55123275 | 6172 | } |
c118dd06 | 6173 | #endif /* ! defined (HAVE_X_WINDOWS) */ |