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 (); |
3afe33e7 RS |
89 | #endif /* USE_X_TOOLKIT */ |
90 | ||
b849c413 RS |
91 | #ifndef USE_X_TOOLKIT |
92 | #define x_any_window_to_frame x_window_to_frame | |
5627c40e | 93 | #define x_top_window_to_frame x_window_to_frame |
b849c413 RS |
94 | #endif |
95 | ||
546e6d5b | 96 | #ifdef USE_X_TOOLKIT |
d067ea8b | 97 | #include "widget.h" |
546e6d5b RS |
98 | #ifndef XtNinitialState |
99 | #define XtNinitialState "initialState" | |
100 | #endif | |
101 | #endif | |
102 | ||
dc6f92b8 JB |
103 | #define min(a,b) ((a)<(b) ? (a) : (b)) |
104 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 105 | \f |
334208b7 RS |
106 | /* This is a chain of structures for all the X displays currently in use. */ |
107 | struct x_display_info *x_display_list; | |
dc6f92b8 | 108 | |
7a13e894 RS |
109 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), |
110 | one for each element of x_display_list and in the same order. | |
111 | NAME is the name of the frame. | |
112 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
113 | Lisp_Object x_display_name_list; | |
f451eb13 | 114 | |
987d2ad1 | 115 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 116 | This is set by update_begin and looked at by all the |
dc6f92b8 | 117 | XT functions. It is zero while not inside an update. |
f676886a JB |
118 | In that case, the XT functions assume that `selected_frame' |
119 | is the frame to apply to. */ | |
d0386f2a | 120 | extern struct frame *updating_frame; |
dc6f92b8 | 121 | |
0134a210 RS |
122 | /* This is a frame waiting to be autoraised, within XTread_socket. */ |
123 | struct frame *pending_autoraise_frame; | |
124 | ||
7f9c7f94 RS |
125 | #ifdef USE_X_TOOLKIT |
126 | /* The application context for Xt use. */ | |
127 | XtAppContext Xt_app_con; | |
128 | #endif | |
129 | ||
dc6f92b8 JB |
130 | /* During an update, maximum vpos for ins/del line operations to affect. */ |
131 | ||
132 | static int flexlines; | |
133 | ||
134 | /* During an update, nonzero if chars output now should be highlighted. */ | |
135 | ||
136 | static int highlight; | |
137 | ||
138 | /* Nominal cursor position -- where to draw output. | |
139 | During an update, these are different from the cursor-box position. */ | |
140 | ||
141 | static int curs_x; | |
142 | static int curs_y; | |
143 | ||
69388238 RS |
144 | /* Mouse movement. |
145 | ||
146 | In order to avoid asking for motion events and then throwing most | |
147 | of them away or busy-polling the server for mouse positions, we ask | |
148 | the server for pointer motion hints. This means that we get only | |
149 | one event per group of mouse movements. "Groups" are delimited by | |
150 | other kinds of events (focus changes and button clicks, for | |
151 | example), or by XQueryPointer calls; when one of these happens, we | |
152 | get another MotionNotify event the next time the mouse moves. This | |
153 | is at least as efficient as getting motion events when mouse | |
154 | tracking is on, and I suspect only negligibly worse when tracking | |
155 | is off. | |
156 | ||
157 | The silly O'Reilly & Associates Nutshell guides barely document | |
158 | pointer motion hints at all (I think you have to infer how they | |
159 | work from an example), and the description of XQueryPointer doesn't | |
160 | mention that calling it causes you to get another motion hint from | |
161 | the server, which is very important. */ | |
162 | ||
163 | /* Where the mouse was last time we reported a mouse event. */ | |
164 | static FRAME_PTR last_mouse_frame; | |
165 | static XRectangle last_mouse_glyph; | |
166 | ||
167 | /* The scroll bar in which the last X motion event occurred. | |
168 | ||
169 | If the last X motion event occurred in a scroll bar, we set this | |
170 | so XTmouse_position can know whether to report a scroll bar motion or | |
171 | an ordinary motion. | |
172 | ||
173 | If the last X motion event didn't occur in a scroll bar, we set this | |
174 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
175 | static Lisp_Object last_mouse_scroll_bar; | |
176 | ||
69388238 RS |
177 | /* This is a hack. We would really prefer that XTmouse_position would |
178 | return the time associated with the position it returns, but there | |
179 | doesn't seem to be any way to wrest the timestamp from the server | |
180 | along with the position query. So, we just keep track of the time | |
181 | of the last movement we received, and return that in hopes that | |
182 | it's somewhat accurate. */ | |
183 | static Time last_mouse_movement_time; | |
184 | ||
c0a04927 RS |
185 | /* Incremented by XTread_socket whenever it really tries to read events. */ |
186 | #ifdef __STDC__ | |
187 | static int volatile input_signal_count; | |
188 | #else | |
189 | static int input_signal_count; | |
190 | #endif | |
191 | ||
7a13e894 RS |
192 | /* Used locally within XTread_socket. */ |
193 | static int x_noop_count; | |
dc6f92b8 | 194 | |
7a13e894 RS |
195 | /* Initial values of argv and argc. */ |
196 | extern char **initial_argv; | |
197 | extern int initial_argc; | |
dc6f92b8 | 198 | |
7a13e894 | 199 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
dc6f92b8 | 200 | |
7a13e894 RS |
201 | /* Tells if a window manager is present or not. */ |
202 | ||
203 | extern Lisp_Object Vx_no_window_manager; | |
dc6f92b8 JB |
204 | |
205 | /* Nonzero enables some debugging for the X interface code. */ | |
206 | extern int _Xdebug; | |
207 | ||
c2df547c | 208 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 209 | |
dc6f92b8 JB |
210 | extern int errno; |
211 | ||
dfeccd2d | 212 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
213 | extern int extra_keyboard_modifiers; |
214 | ||
59e755be KH |
215 | static Lisp_Object Qvendor_specific_keysyms; |
216 | ||
334208b7 | 217 | extern XrmDatabase x_load_resources (); |
dc6f92b8 | 218 | |
c32cdd9a KH |
219 | extern Lisp_Object x_icon_type (); |
220 | ||
7a13e894 RS |
221 | void x_delete_display (); |
222 | ||
c83febd7 | 223 | static void redraw_previous_char (); |
0cdd0c9f | 224 | static void redraw_following_char (); |
3afe33e7 | 225 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 226 | |
55836b73 | 227 | static int fast_find_position (); |
b8009dd1 RS |
228 | static void note_mouse_highlight (); |
229 | static void clear_mouse_face (); | |
230 | static void show_mouse_face (); | |
58769bee | 231 | static void do_line_dance (); |
b8009dd1 | 232 | |
4746118a JB |
233 | static int XTcursor_to (); |
234 | static int XTclear_end_of_line (); | |
7a13e894 | 235 | static int x_io_error_quitter (); |
2d7fc7e8 RS |
236 | void x_catch_errors (); |
237 | void x_uncatch_errors (); | |
334208b7 | 238 | \f |
9382638d KH |
239 | #if 0 |
240 | /* This is a function useful for recording debugging information | |
241 | about the sequence of occurrences in this file. */ | |
242 | ||
243 | struct record | |
244 | { | |
245 | char *locus; | |
246 | int type; | |
247 | }; | |
248 | ||
249 | struct record event_record[100]; | |
250 | ||
251 | int event_record_index; | |
252 | ||
253 | record_event (locus, type) | |
254 | char *locus; | |
255 | int type; | |
256 | { | |
257 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
258 | event_record_index = 0; | |
259 | ||
260 | event_record[event_record_index].locus = locus; | |
261 | event_record[event_record_index].type = type; | |
262 | event_record_index++; | |
263 | } | |
264 | ||
265 | #endif /* 0 */ | |
266 | \f | |
334208b7 RS |
267 | /* Return the struct x_display_info corresponding to DPY. */ |
268 | ||
269 | struct x_display_info * | |
270 | x_display_info_for_display (dpy) | |
271 | Display *dpy; | |
272 | { | |
273 | struct x_display_info *dpyinfo; | |
274 | ||
275 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
276 | if (dpyinfo->display == dpy) | |
277 | return dpyinfo; | |
16bd92ea | 278 | |
334208b7 RS |
279 | return 0; |
280 | } | |
16bd92ea | 281 | \f |
58769bee | 282 | /* Starting and ending updates. |
f451eb13 JB |
283 | |
284 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
285 | of a frame update. We record in `updating_frame' the identity |
286 | of the frame being updated, so that the XT... functions do not | |
287 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 288 | should never be called except during an update, the only exceptions |
c83febd7 | 289 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 | 290 | |
dc6f92b8 | 291 | static |
f676886a JB |
292 | XTupdate_begin (f) |
293 | struct frame *f; | |
58769bee | 294 | { |
dc6f92b8 JB |
295 | int mask; |
296 | ||
f676886a | 297 | if (f == 0) |
dc6f92b8 JB |
298 | abort (); |
299 | ||
f676886a | 300 | flexlines = f->height; |
dc6f92b8 JB |
301 | highlight = 0; |
302 | ||
dc6f92b8 | 303 | BLOCK_INPUT; |
b8009dd1 | 304 | |
7a13e894 | 305 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
b8009dd1 | 306 | { |
514e4681 | 307 | /* Don't do highlighting for mouse motion during the update. */ |
7a13e894 | 308 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 1; |
37c2c98b RS |
309 | |
310 | /* If the frame needs to be redrawn, | |
311 | simply forget about any prior mouse highlighting. */ | |
9f67f20b | 312 | if (FRAME_GARBAGED_P (f)) |
37c2c98b RS |
313 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = Qnil; |
314 | ||
7a13e894 | 315 | if (!NILP (FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) |
514e4681 RS |
316 | { |
317 | int firstline, lastline, i; | |
7a13e894 | 318 | struct window *w = XWINDOW (FRAME_X_DISPLAY_INFO (f)->mouse_face_window); |
514e4681 RS |
319 | |
320 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
321 | for (firstline = 0; firstline < f->height; firstline++) | |
322 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
323 | break; | |
324 | ||
325 | lastline = f->height; | |
326 | for (i = f->height - 1; i >= 0; i--) | |
327 | { | |
328 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
329 | break; | |
330 | else | |
331 | lastline = i; | |
332 | } | |
333 | ||
334 | /* Can we tell that this update does not affect the window | |
37c2c98b RS |
335 | where the mouse highlight is? If so, no need to turn off. |
336 | Likewise, don't do anything if the frame is garbaged; | |
337 | in that case, the FRAME_CURRENT_GLYPHS that we would use | |
338 | are all wrong, and we will redisplay that line anyway. */ | |
514e4681 RS |
339 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) |
340 | || lastline < XFASTINT (w->top))) | |
7a13e894 | 341 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
514e4681 | 342 | } |
b8009dd1 | 343 | } |
6ccf47d1 | 344 | |
dc6f92b8 JB |
345 | UNBLOCK_INPUT; |
346 | } | |
347 | ||
dc6f92b8 | 348 | static |
f676886a JB |
349 | XTupdate_end (f) |
350 | struct frame *f; | |
58769bee | 351 | { |
dc6f92b8 JB |
352 | int mask; |
353 | ||
dc6f92b8 | 354 | BLOCK_INPUT; |
dc6f92b8 | 355 | |
58769bee | 356 | do_line_dance (); |
f676886a | 357 | x_display_cursor (f, 1); |
dc6f92b8 | 358 | |
7a13e894 RS |
359 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
360 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
b8009dd1 RS |
361 | #if 0 |
362 | /* This fails in the case of having updated only the echo area | |
363 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
364 | has no relation to the current contents, and its charstarts | |
365 | have no relation to the contents of the window-buffer. | |
366 | I don't know a clean way to check | |
367 | for that case. window_end_valid isn't set up yet. */ | |
7a13e894 RS |
368 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
369 | note_mouse_highlight (f, FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
370 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
b8009dd1 RS |
371 | #endif |
372 | ||
334208b7 | 373 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
374 | UNBLOCK_INPUT; |
375 | } | |
b8009dd1 | 376 | |
514e4681 | 377 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
378 | |
379 | static | |
380 | XTframe_up_to_date (f) | |
381 | FRAME_PTR f; | |
382 | { | |
7a13e894 RS |
383 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc |
384 | || f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) | |
514e4681 | 385 | { |
7a13e894 RS |
386 | note_mouse_highlight (FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame, |
387 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
388 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
389 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0; | |
514e4681 | 390 | } |
b8009dd1 | 391 | } |
dc6f92b8 JB |
392 | \f |
393 | /* External interface to control of standout mode. | |
394 | Call this when about to modify line at position VPOS | |
395 | and not change whether it is highlighted. */ | |
396 | ||
397 | XTreassert_line_highlight (new, vpos) | |
398 | int new, vpos; | |
399 | { | |
400 | highlight = new; | |
401 | } | |
402 | ||
403 | /* Call this when about to modify line at position VPOS | |
404 | and change whether it is highlighted. */ | |
405 | ||
406 | static | |
407 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
408 | int new_highlight, vpos, first_unused_hpos; | |
409 | { | |
410 | highlight = new_highlight; | |
411 | XTcursor_to (vpos, 0); | |
f676886a | 412 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
413 | } |
414 | ||
415 | /* This is used when starting Emacs and when restarting after suspend. | |
416 | When starting Emacs, no X window is mapped. And nothing must be done | |
417 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
418 | ||
419 | static | |
420 | XTset_terminal_modes () | |
421 | { | |
422 | } | |
423 | ||
424 | /* This is called when exiting or suspending Emacs. | |
425 | Exiting will make the X-windows go away, and suspending | |
426 | requires no action. */ | |
427 | ||
428 | static | |
429 | XTreset_terminal_modes () | |
430 | { | |
f676886a | 431 | /* XTclear_frame (); */ |
dc6f92b8 JB |
432 | } |
433 | \f | |
f451eb13 JB |
434 | /* Set the nominal cursor position of the frame. |
435 | This is where display update commands will take effect. | |
dc6f92b8 JB |
436 | This does not affect the place where the cursor-box is displayed. */ |
437 | ||
4746118a | 438 | static int |
dc6f92b8 JB |
439 | XTcursor_to (row, col) |
440 | register int row, col; | |
441 | { | |
442 | int mask; | |
443 | int orow = row; | |
444 | ||
445 | curs_x = col; | |
446 | curs_y = row; | |
447 | ||
f676886a | 448 | if (updating_frame == 0) |
dc6f92b8 JB |
449 | { |
450 | BLOCK_INPUT; | |
f676886a | 451 | x_display_cursor (selected_frame, 1); |
334208b7 | 452 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
453 | UNBLOCK_INPUT; |
454 | } | |
455 | } | |
456 | \f | |
457 | /* Display a sequence of N glyphs found at GP. | |
458 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
459 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
460 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
461 | JUST_FOREGROUND if 1 means draw only the foreground; |
462 | don't alter the background. | |
dc6f92b8 | 463 | |
07e34cb0 | 464 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 465 | |
07e34cb0 JB |
466 | Since the display generation code is responsible for calling |
467 | compute_char_face and compute_glyph_face on everything it puts in | |
468 | the display structure, we can assume that the face code on each | |
28f72798 | 469 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
470 | to which we can actually apply intern_face. |
471 | Call this function with input blocked. */ | |
dc6f92b8 | 472 | |
07e34cb0 JB |
473 | #if 1 |
474 | /* This is the multi-face code. */ | |
dc6f92b8 | 475 | |
dc6f92b8 | 476 | static void |
0cdd0c9f | 477 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 478 | struct frame *f; |
dc6f92b8 JB |
479 | int left, top; |
480 | register GLYPH *gp; /* Points to first GLYPH. */ | |
481 | register int n; /* Number of glyphs to display. */ | |
482 | int hl; | |
0cdd0c9f | 483 | int just_foreground; |
dc6f92b8 | 484 | { |
07e34cb0 JB |
485 | /* Holds characters to be displayed. */ |
486 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
487 | register char *cp; /* Steps through buf[]. */ |
488 | register int tlen = GLYPH_TABLE_LENGTH; | |
489 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 490 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 491 | int orig_left = left; |
dc6f92b8 | 492 | |
07e34cb0 | 493 | while (n > 0) |
dc6f92b8 JB |
494 | { |
495 | /* Get the face-code of the next GLYPH. */ | |
496 | int cf, len; | |
497 | int g = *gp; | |
498 | ||
07e34cb0 | 499 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 500 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
501 | |
502 | /* Find the run of consecutive glyphs with the same face-code. | |
503 | Extract their character codes into BUF. */ | |
504 | cp = buf; | |
505 | while (n > 0) | |
506 | { | |
507 | g = *gp; | |
07e34cb0 | 508 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 509 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
510 | break; |
511 | ||
6f63ba79 | 512 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
513 | --n; |
514 | ++gp; | |
515 | } | |
516 | ||
517 | /* LEN gets the length of the run. */ | |
518 | len = cp - buf; | |
519 | ||
520 | /* Now output this run of chars, with the font and pixel values | |
521 | determined by the face code CF. */ | |
07e34cb0 JB |
522 | { |
523 | struct face *face = FRAME_DEFAULT_FACE (f); | |
334208b7 | 524 | XFontStruct *font = FACE_FONT (face); |
07e34cb0 | 525 | GC gc = FACE_GC (face); |
990ba854 | 526 | int stippled = 0; |
07e34cb0 | 527 | |
b8009dd1 RS |
528 | /* HL = 3 means use a mouse face previously chosen. */ |
529 | if (hl == 3) | |
7a13e894 | 530 | cf = FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id; |
b8009dd1 | 531 | |
b73b6aaf RS |
532 | /* First look at the face of the text itself. */ |
533 | if (cf != 0) | |
07e34cb0 | 534 | { |
a07d4bc5 RS |
535 | /* It's possible for the display table to specify |
536 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
537 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
538 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 539 | cf = 0; |
07e34cb0 JB |
540 | |
541 | if (cf == 1) | |
542 | face = FRAME_MODE_LINE_FACE (f); | |
543 | else | |
28f72798 | 544 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
545 | font = FACE_FONT (face); |
546 | gc = FACE_GC (face); | |
990ba854 RS |
547 | if (FACE_STIPPLE (face)) |
548 | stippled = 1; | |
07e34cb0 | 549 | } |
4a4dc352 JB |
550 | |
551 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
552 | else if (hl == 0) |
553 | ; | |
554 | else if (hl == 1) | |
555 | { | |
556 | face = FRAME_MODE_LINE_FACE (f); | |
557 | font = FACE_FONT (face); | |
558 | gc = FACE_GC (face); | |
990ba854 RS |
559 | if (FACE_STIPPLE (face)) |
560 | stippled = 1; | |
b73b6aaf RS |
561 | } |
562 | ||
563 | #define FACE_DEFAULT (~0) | |
564 | ||
565 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 566 | if (hl == 2) |
b73b6aaf | 567 | { |
990ba854 RS |
568 | /* The cursor overrides stippling. */ |
569 | stippled = 0; | |
570 | ||
11dd3d61 | 571 | if ((!face->font |
16f60add | 572 | || face->font == (XFontStruct *) FACE_DEFAULT |
11dd3d61 RS |
573 | || face->font == f->display.x->font) |
574 | && face->background == f->display.x->background_pixel | |
575 | && face->foreground == f->display.x->foreground_pixel) | |
b5cf7a0e JB |
576 | { |
577 | gc = f->display.x->cursor_gc; | |
578 | } | |
579 | /* Cursor on non-default face: must merge. */ | |
580 | else | |
581 | { | |
582 | XGCValues xgcv; | |
583 | unsigned long mask; | |
584 | ||
585 | xgcv.background = f->display.x->cursor_pixel; | |
11dd3d61 | 586 | xgcv.foreground = face->background; |
df5a440b RS |
587 | /* If the glyph would be invisible, |
588 | try a different foreground. */ | |
589 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 590 | xgcv.foreground = face->foreground; |
df5a440b RS |
591 | if (xgcv.foreground == xgcv.background) |
592 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
593 | if (xgcv.foreground == xgcv.background) | |
594 | xgcv.foreground = face->foreground; | |
595 | /* Make sure the cursor is distinct from text in this face. */ | |
596 | if (xgcv.background == face->background | |
597 | && xgcv.foreground == face->foreground) | |
598 | { | |
599 | xgcv.background = face->foreground; | |
600 | xgcv.foreground = face->background; | |
601 | } | |
b5cf7a0e JB |
602 | xgcv.font = face->font->fid; |
603 | xgcv.graphics_exposures = 0; | |
604 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
7a13e894 RS |
605 | if (FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc) |
606 | XChangeGC (FRAME_X_DISPLAY (f), | |
607 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc, | |
608 | mask, &xgcv); | |
11dd3d61 | 609 | else |
7a13e894 | 610 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc |
334208b7 | 611 | = XCreateGC (FRAME_X_DISPLAY (f), window, mask, &xgcv); |
7a13e894 | 612 | gc = FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc; |
b73b6aaf | 613 | #if 0 |
11dd3d61 RS |
614 | /* If this code is restored, it must also reset to the default stipple |
615 | if necessary. */ | |
b5cf7a0e | 616 | if (face->stipple && face->stipple != FACE_DEFAULT) |
334208b7 | 617 | XSetStipple (FRAME_X_DISPLAY (f), gc, face->stipple); |
b73b6aaf | 618 | #endif |
b5cf7a0e | 619 | } |
07e34cb0 | 620 | } |
07e34cb0 | 621 | |
16f60add | 622 | if (font == (XFontStruct *) FACE_DEFAULT) |
b5cf7a0e JB |
623 | font = f->display.x->font; |
624 | ||
0cdd0c9f | 625 | if (just_foreground) |
334208b7 | 626 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
0cdd0c9f RS |
627 | left, top + FONT_BASE (font), buf, len); |
628 | else | |
629 | { | |
990ba854 RS |
630 | if (stippled) |
631 | { | |
632 | /* Turn stipple on. */ | |
633 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillOpaqueStippled); | |
634 | ||
635 | /* Draw stipple on background. */ | |
334208b7 | 636 | XFillRectangle (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
637 | left, top, |
638 | FONT_WIDTH (font) * len, | |
639 | FONT_HEIGHT (font)); | |
640 | ||
641 | /* Turn stipple off. */ | |
642 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillSolid); | |
643 | ||
644 | /* Draw the text, solidly, onto the stipple pattern. */ | |
334208b7 | 645 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
646 | left, top + FONT_BASE (font), buf, len); |
647 | } | |
648 | else | |
334208b7 | 649 | XDrawImageString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
650 | left, top + FONT_BASE (font), buf, len); |
651 | ||
0cdd0c9f RS |
652 | /* Clear the rest of the line's height. */ |
653 | if (f->display.x->line_height != FONT_HEIGHT (font)) | |
334208b7 | 654 | XClearArea (FRAME_X_DISPLAY (f), window, left, |
0cdd0c9f RS |
655 | top + FONT_HEIGHT (font), |
656 | FONT_WIDTH (font) * len, | |
657 | /* This is how many pixels of height | |
658 | we have to clear. */ | |
659 | f->display.x->line_height - FONT_HEIGHT (font), | |
660 | False); | |
661 | } | |
662 | ||
663 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
664 | which often is not up to date yet. */ | |
665 | if (!just_foreground) | |
666 | { | |
667 | if (left == orig_left) | |
668 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
669 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
670 | if (n == 0) | |
671 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
672 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
673 | } | |
674 | #endif | |
07e34cb0 JB |
675 | |
676 | /* We should probably check for XA_UNDERLINE_POSITION and | |
677 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
678 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 679 | { |
4a4dc352 | 680 | int underline_position = 1; |
07e34cb0 | 681 | |
4a4dc352 JB |
682 | if (font->descent <= underline_position) |
683 | underline_position = font->descent - 1; | |
07e34cb0 JB |
684 | |
685 | if (face->underline) | |
334208b7 | 686 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
07e34cb0 JB |
687 | FACE_GC (face), |
688 | left, (top | |
689 | + FONT_BASE (font) | |
690 | + underline_position), | |
691 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 692 | } |
07e34cb0 JB |
693 | |
694 | left += len * FONT_WIDTH (font); | |
695 | } | |
dc6f92b8 JB |
696 | } |
697 | } | |
07e34cb0 JB |
698 | #endif /* 1 */ |
699 | ||
700 | #if 0 | |
701 | /* This is the old single-face code. */ | |
702 | ||
703 | static void | |
704 | dumpglyphs (f, left, top, gp, n, hl, font) | |
705 | struct frame *f; | |
706 | int left, top; | |
707 | register GLYPH *gp; /* Points to first GLYPH. */ | |
708 | register int n; /* Number of glyphs to display. */ | |
709 | int hl; | |
334208b7 | 710 | XFontStruct *font; |
07e34cb0 JB |
711 | { |
712 | register int len; | |
713 | Window window = FRAME_X_WINDOW (f); | |
714 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
715 | : (hl ? f->display.x->reverse_gc | |
716 | : f->display.x->normal_gc)); | |
717 | ||
718 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
334208b7 | 719 | XDrawImageString16 (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
720 | left, top + FONT_BASE (font), (XChar2b *) gp, n); |
721 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
334208b7 | 722 | XDrawImageString (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
723 | left, top + FONT_BASE (font), (char *) gp, n); |
724 | else | |
725 | /* What size of glyph ARE you using? And does X have a function to | |
726 | draw them? */ | |
727 | abort (); | |
728 | } | |
729 | #endif | |
dc6f92b8 | 730 | \f |
f451eb13 JB |
731 | /* Output some text at the nominal frame cursor position. |
732 | Advance the cursor over the text. | |
dc6f92b8 JB |
733 | Output LEN glyphs at START. |
734 | ||
735 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
736 | controls the pixel values used for foreground and background. */ | |
737 | ||
738 | static | |
739 | XTwrite_glyphs (start, len) | |
740 | register GLYPH *start; | |
741 | int len; | |
742 | { | |
743 | register int temp_length; | |
744 | int mask; | |
f676886a | 745 | struct frame *f; |
dc6f92b8 JB |
746 | |
747 | BLOCK_INPUT; | |
748 | ||
58769bee | 749 | do_line_dance (); |
f676886a JB |
750 | f = updating_frame; |
751 | if (f == 0) | |
dc6f92b8 | 752 | { |
f676886a | 753 | f = selected_frame; |
dc6f92b8 | 754 | /* If not within an update, |
f676886a JB |
755 | output at the frame's visible cursor. */ |
756 | curs_x = f->cursor_x; | |
757 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
758 | } |
759 | ||
f676886a | 760 | dumpglyphs (f, |
12ba150f JB |
761 | CHAR_TO_PIXEL_COL (f, curs_x), |
762 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 763 | start, len, highlight, 0); |
90e65f07 JB |
764 | |
765 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
766 | if (curs_y == f->phys_cursor_y |
767 | && curs_x <= f->phys_cursor_x | |
768 | && curs_x + len > f->phys_cursor_x) | |
769 | f->phys_cursor_x = -1; | |
58769bee | 770 | |
f676886a | 771 | if (updating_frame == 0) |
dc6f92b8 | 772 | { |
f676886a JB |
773 | f->cursor_x += len; |
774 | x_display_cursor (f, 1); | |
775 | f->cursor_x -= len; | |
dc6f92b8 JB |
776 | } |
777 | else | |
778 | curs_x += len; | |
779 | ||
780 | UNBLOCK_INPUT; | |
781 | } | |
782 | \f | |
f451eb13 JB |
783 | /* Clear to the end of the line. |
784 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
785 | to column FIRST_UNUSED (exclusive). The idea is that everything |
786 | from FIRST_UNUSED onward is already erased. */ | |
58769bee | 787 | |
c32cdd9a | 788 | static |
dc6f92b8 JB |
789 | XTclear_end_of_line (first_unused) |
790 | register int first_unused; | |
791 | { | |
f676886a | 792 | struct frame *f = updating_frame; |
dc6f92b8 JB |
793 | int mask; |
794 | ||
f676886a | 795 | if (f == 0) |
dc6f92b8 JB |
796 | abort (); |
797 | ||
f676886a | 798 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
799 | return; |
800 | if (first_unused <= 0) | |
801 | return; | |
802 | ||
f676886a JB |
803 | if (first_unused >= f->width) |
804 | first_unused = f->width; | |
dc6f92b8 JB |
805 | |
806 | BLOCK_INPUT; | |
807 | ||
b30ec466 KH |
808 | do_line_dance (); |
809 | ||
90e65f07 | 810 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
811 | if (curs_y == f->phys_cursor_y |
812 | && curs_x <= f->phys_cursor_x | |
813 | && f->phys_cursor_x < first_unused) | |
814 | f->phys_cursor_x = -1; | |
dc6f92b8 | 815 | |
334208b7 | 816 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
12ba150f JB |
817 | CHAR_TO_PIXEL_COL (f, curs_x), |
818 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 819 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 820 | f->display.x->line_height, False); |
c83febd7 | 821 | #if 0 |
0cdd0c9f | 822 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 823 | #endif |
dc6f92b8 JB |
824 | |
825 | UNBLOCK_INPUT; | |
826 | } | |
827 | ||
0cdd0c9f RS |
828 | static |
829 | XTclear_frame () | |
830 | { | |
831 | int mask; | |
832 | struct frame *f = updating_frame; | |
833 | ||
834 | if (f == 0) | |
835 | f = selected_frame; | |
836 | ||
837 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
838 | curs_x = 0; /* Nominal cursor position is top left. */ | |
839 | curs_y = 0; | |
58769bee | 840 | |
0cdd0c9f RS |
841 | BLOCK_INPUT; |
842 | ||
334208b7 | 843 | XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0cdd0c9f RS |
844 | |
845 | /* We have to clear the scroll bars, too. If we have changed | |
846 | colors or something like that, then they should be notified. */ | |
847 | x_scroll_bar_clear (f); | |
848 | ||
334208b7 | 849 | XFlush (FRAME_X_DISPLAY (f)); |
0cdd0c9f RS |
850 | UNBLOCK_INPUT; |
851 | } | |
852 | \f | |
853 | #if 0 | |
854 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
855 | always contain the right glyphs to use. | |
856 | ||
857 | It also needs to be changed to look at the details of the font and | |
858 | see whether there is really overlap, and do nothing when there is | |
859 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
860 | but just how to use them is not clear. */ | |
861 | ||
c83febd7 RS |
862 | /* Erase the character (if any) at the position just before X, Y in frame F, |
863 | then redraw it and the character before it. | |
864 | This is necessary when we erase starting at X, | |
f94397b5 KH |
865 | in case the character after X overlaps into the one before X. |
866 | Call this function with input blocked. */ | |
c83febd7 RS |
867 | |
868 | static void | |
0cdd0c9f | 869 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
870 | FRAME_PTR f; |
871 | int x, y; | |
0cdd0c9f | 872 | int highlight_flag; |
c83febd7 RS |
873 | { |
874 | /* Erase the character before the new ones, in case | |
875 | what was here before overlaps it. | |
876 | Reoutput that character, and the previous character | |
877 | (in case the previous character overlaps it). */ | |
878 | if (x > 0) | |
879 | { | |
880 | int start_x = x - 2; | |
881 | if (start_x < 0) | |
882 | start_x = 0; | |
334208b7 | 883 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
c83febd7 RS |
884 | CHAR_TO_PIXEL_COL (f, x - 1), |
885 | CHAR_TO_PIXEL_ROW (f, y), | |
886 | FONT_WIDTH (f->display.x->font), | |
a27f9f86 | 887 | f->display.x->line_height, False); |
c83febd7 RS |
888 | |
889 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
890 | CHAR_TO_PIXEL_ROW (f, y), | |
891 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 892 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
893 | } |
894 | } | |
895 | ||
0cdd0c9f RS |
896 | /* Erase the character (if any) at the position X, Y in frame F, |
897 | then redraw it and the character after it. | |
898 | This is necessary when we erase endng at X, | |
899 | in case the character after X overlaps into the one before X. | |
900 | Call this function with input blocked. */ | |
901 | ||
902 | static void | |
903 | redraw_following_char (f, x, y, highlight_flag) | |
904 | FRAME_PTR f; | |
905 | int x, y; | |
906 | int highlight_flag; | |
dc6f92b8 | 907 | { |
0cdd0c9f RS |
908 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
909 | /* Erase the character after the new ones, in case | |
910 | what was here before overlaps it. | |
911 | Reoutput that character, and the following character | |
912 | (in case the following character overlaps it). */ | |
913 | if (x < limit | |
914 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
915 | { | |
916 | int end_x = x + 2; | |
917 | if (end_x > limit) | |
918 | end_x = limit; | |
334208b7 | 919 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
920 | CHAR_TO_PIXEL_COL (f, x), |
921 | CHAR_TO_PIXEL_ROW (f, y), | |
922 | FONT_WIDTH (f->display.x->font), | |
923 | f->display.x->line_height, False); | |
dc6f92b8 | 924 | |
0cdd0c9f RS |
925 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
926 | CHAR_TO_PIXEL_ROW (f, y), | |
927 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
928 | end_x - x, highlight_flag, 1); | |
929 | } | |
930 | } | |
931 | #endif /* 0 */ | |
932 | \f | |
933 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 934 | |
0cdd0c9f | 935 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 936 | |
0cdd0c9f RS |
937 | static int |
938 | font_char_overlap_left (font, c) | |
939 | XFontStruct *font; | |
940 | int c; | |
941 | { | |
942 | XCharStruct *s; | |
dbc4e1c1 | 943 | |
0cdd0c9f RS |
944 | /* Find the bounding-box info for C. */ |
945 | if (font->per_char == 0) | |
946 | s = &font->max_bounds; | |
947 | else | |
948 | { | |
949 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
950 | int row, within; | |
58769bee | 951 | |
0cdd0c9f RS |
952 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
953 | row = c >> 8; | |
954 | within = c & 0177; | |
955 | if (!(within >= font->min_char_or_byte2 | |
956 | && within <= font->max_char_or_byte2 | |
957 | && row >= font->min_byte1 | |
958 | && row <= font->max_byte1)) | |
959 | { | |
960 | /* If char is out of range, try the font's default char instead. */ | |
961 | c = font->default_char; | |
962 | row = c >> (INTBITS - 8); | |
963 | within = c & 0177; | |
964 | } | |
965 | if (!(within >= font->min_char_or_byte2 | |
966 | && within <= font->max_char_or_byte2 | |
967 | && row >= font->min_byte1 | |
968 | && row <= font->max_byte1)) | |
969 | /* Still out of range means this char does not overlap. */ | |
970 | return 0; | |
971 | else | |
972 | /* We found the info for this char. */ | |
973 | s = (font->per_char + (within - font->min_char_or_byte2) | |
974 | + row * rowlen); | |
975 | } | |
dbc4e1c1 | 976 | |
0cdd0c9f RS |
977 | return (s && s->lbearing < 0); |
978 | } | |
dbc4e1c1 | 979 | |
0cdd0c9f RS |
980 | /* Return 1 if character C in font F extends past its right edge. */ |
981 | ||
982 | static int | |
983 | font_char_overlap_right (font, c) | |
984 | XFontStruct *font; | |
985 | int c; | |
986 | { | |
987 | XCharStruct *s; | |
988 | ||
989 | /* Find the bounding-box info for C. */ | |
990 | if (font->per_char == 0) | |
991 | s = &font->max_bounds; | |
992 | else | |
993 | { | |
994 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
995 | int row, within; | |
58769bee | 996 | |
0cdd0c9f RS |
997 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
998 | row = c >> 8; | |
999 | within = c & 0177; | |
1000 | if (!(within >= font->min_char_or_byte2 | |
1001 | && within <= font->max_char_or_byte2 | |
1002 | && row >= font->min_byte1 | |
1003 | && row <= font->max_byte1)) | |
1004 | { | |
1005 | /* If char is out of range, try the font's default char instead. */ | |
1006 | c = font->default_char; | |
1007 | row = c >> (INTBITS - 8); | |
1008 | within = c & 0177; | |
1009 | } | |
1010 | if (!(within >= font->min_char_or_byte2 | |
1011 | && within <= font->max_char_or_byte2 | |
1012 | && row >= font->min_byte1 | |
1013 | && row <= font->max_byte1)) | |
1014 | /* Still out of range means this char does not overlap. */ | |
1015 | return 0; | |
1016 | else | |
1017 | /* We found the info for this char. */ | |
1018 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1019 | + row * rowlen); | |
1020 | } | |
1021 | ||
1022 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1023 | } |
0cdd0c9f | 1024 | #endif /* 0 */ |
dc6f92b8 | 1025 | \f |
dbc4e1c1 JB |
1026 | /* Invert the middle quarter of the frame for .15 sec. */ |
1027 | ||
1028 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1029 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1030 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1031 | ||
1032 | /* Subtract the `struct timeval' values X and Y, | |
1033 | storing the result in RESULT. | |
1034 | Return 1 if the difference is negative, otherwise 0. */ | |
1035 | ||
1036 | static int | |
1037 | timeval_subtract (result, x, y) | |
1038 | struct timeval *result, x, y; | |
1039 | { | |
1040 | /* Perform the carry for the later subtraction by updating y. | |
1041 | This is safer because on some systems | |
1042 | the tv_sec member is unsigned. */ | |
1043 | if (x.tv_usec < y.tv_usec) | |
1044 | { | |
1045 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1046 | y.tv_usec -= 1000000 * nsec; | |
1047 | y.tv_sec += nsec; | |
1048 | } | |
1049 | if (x.tv_usec - y.tv_usec > 1000000) | |
1050 | { | |
1051 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1052 | y.tv_usec += 1000000 * nsec; | |
1053 | y.tv_sec -= nsec; | |
1054 | } | |
1055 | ||
1056 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1057 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1058 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1059 | ||
1060 | /* Return indication of whether the result should be considered negative. */ | |
1061 | return x.tv_sec < y.tv_sec; | |
1062 | } | |
dc6f92b8 | 1063 | |
f676886a JB |
1064 | XTflash (f) |
1065 | struct frame *f; | |
dc6f92b8 | 1066 | { |
dbc4e1c1 | 1067 | BLOCK_INPUT; |
dc6f92b8 | 1068 | |
dbc4e1c1 JB |
1069 | { |
1070 | GC gc; | |
dc6f92b8 | 1071 | |
dbc4e1c1 JB |
1072 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1073 | into background pixels. */ | |
1074 | { | |
1075 | XGCValues values; | |
dc6f92b8 | 1076 | |
dbc4e1c1 JB |
1077 | values.function = GXxor; |
1078 | values.foreground = (f->display.x->foreground_pixel | |
1079 | ^ f->display.x->background_pixel); | |
58769bee | 1080 | |
334208b7 | 1081 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
1082 | GCFunction | GCForeground, &values); |
1083 | } | |
dc6f92b8 | 1084 | |
dbc4e1c1 JB |
1085 | { |
1086 | int width = PIXEL_WIDTH (f); | |
1087 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1088 | |
334208b7 | 1089 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1090 | width/4, height/4, width/2, height/2); |
334208b7 | 1091 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 1092 | |
dbc4e1c1 JB |
1093 | { |
1094 | struct timeval wakeup, now; | |
dc6f92b8 | 1095 | |
66c30ea1 | 1096 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1097 | |
dbc4e1c1 JB |
1098 | /* Compute time to wait until, propagating carry from usecs. */ |
1099 | wakeup.tv_usec += 150000; | |
1100 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1101 | wakeup.tv_usec %= 1000000; | |
1102 | ||
1103 | /* Keep waiting until past the time wakeup. */ | |
1104 | while (1) | |
1105 | { | |
1106 | struct timeval timeout; | |
1107 | ||
66c30ea1 | 1108 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1109 | |
1110 | /* In effect, timeout = wakeup - timeout. | |
1111 | Break if result would be negative. */ | |
1112 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1113 | break; | |
1114 | ||
1115 | /* Try to wait that long--but we might wake up sooner. */ | |
c32cdd9a | 1116 | select (0, NULL, NULL, NULL, &timeout); |
dbc4e1c1 JB |
1117 | } |
1118 | } | |
58769bee | 1119 | |
334208b7 | 1120 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1121 | width/4, height/4, width/2, height/2); |
334208b7 RS |
1122 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
1123 | XFlush (FRAME_X_DISPLAY (f)); | |
dc6f92b8 | 1124 | } |
dbc4e1c1 JB |
1125 | } |
1126 | ||
1127 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1128 | } |
1129 | ||
dbc4e1c1 JB |
1130 | #endif |
1131 | ||
1132 | ||
dc6f92b8 JB |
1133 | /* Make audible bell. */ |
1134 | ||
334208b7 | 1135 | #define XRINGBELL XBell (FRAME_X_DISPLAY (selected_frame), 0) |
dc6f92b8 JB |
1136 | |
1137 | XTring_bell () | |
1138 | { | |
334208b7 | 1139 | if (FRAME_X_DISPLAY (selected_frame) == 0) |
5a6ef893 RS |
1140 | return; |
1141 | ||
dbc4e1c1 | 1142 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1143 | if (visible_bell) |
f676886a | 1144 | XTflash (selected_frame); |
dc6f92b8 | 1145 | else |
dbc4e1c1 | 1146 | #endif |
dc6f92b8 JB |
1147 | { |
1148 | BLOCK_INPUT; | |
1149 | XRINGBELL; | |
334208b7 | 1150 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
1151 | UNBLOCK_INPUT; |
1152 | } | |
1153 | } | |
1154 | \f | |
f451eb13 JB |
1155 | /* Insert and delete character. |
1156 | These are not supposed to be used because we are supposed to turn | |
1157 | off the feature of using them. */ | |
dc6f92b8 | 1158 | |
58769bee | 1159 | static |
dc6f92b8 JB |
1160 | XTinsert_glyphs (start, len) |
1161 | register char *start; | |
1162 | register int len; | |
1163 | { | |
1164 | abort (); | |
1165 | } | |
1166 | ||
58769bee | 1167 | static |
dc6f92b8 JB |
1168 | XTdelete_glyphs (n) |
1169 | register int n; | |
1170 | { | |
1171 | abort (); | |
1172 | } | |
1173 | \f | |
1174 | /* Specify how many text lines, from the top of the window, | |
1175 | should be affected by insert-lines and delete-lines operations. | |
1176 | This, and those operations, are used only within an update | |
1177 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1178 | ||
1179 | static | |
1180 | XTset_terminal_window (n) | |
1181 | register int n; | |
1182 | { | |
f676886a | 1183 | if (updating_frame == 0) |
dc6f92b8 JB |
1184 | abort (); |
1185 | ||
f676886a JB |
1186 | if ((n <= 0) || (n > updating_frame->height)) |
1187 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1188 | else |
1189 | flexlines = n; | |
1190 | } | |
1191 | \f | |
7a13e894 RS |
1192 | /* These variables need not be per frame |
1193 | because redisplay is done on a frame-by-frame basis | |
1194 | and the line dance for one frame is finished before | |
1195 | anything is done for anoter frame. */ | |
1196 | ||
58769bee KH |
1197 | /* Array of line numbers from cached insert/delete operations. |
1198 | line_dance[i] is the old position of the line that we want | |
1199 | to move to line i, or -1 if we want a blank line there. */ | |
1200 | static int *line_dance; | |
dc6f92b8 | 1201 | |
58769bee KH |
1202 | /* Allocated length of that array. */ |
1203 | static int line_dance_len; | |
dc6f92b8 | 1204 | |
58769bee KH |
1205 | /* Flag indicating whether we've done any work. */ |
1206 | static int line_dance_in_progress; | |
dc6f92b8 | 1207 | |
58769bee KH |
1208 | /* Perform an insert-lines or delete-lines operation, |
1209 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1210 | XTins_del_lines (vpos, n) | |
1211 | int vpos, n; | |
dc6f92b8 | 1212 | { |
58769bee | 1213 | register int fence, i; |
dc6f92b8 | 1214 | |
58769bee | 1215 | if (vpos >= flexlines) |
dc6f92b8 JB |
1216 | return; |
1217 | ||
58769bee | 1218 | if (!line_dance_in_progress) |
dc6f92b8 | 1219 | { |
58769bee KH |
1220 | int ht = updating_frame->height; |
1221 | if (ht > line_dance_len) | |
1222 | { | |
1223 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); | |
1224 | line_dance_len = ht; | |
1225 | } | |
1226 | for (i = 0; i < ht; ++i) line_dance[i] = i; | |
1227 | line_dance_in_progress = 1; | |
1228 | } | |
1229 | if (n >= 0) | |
1230 | { | |
1231 | if (n > flexlines - vpos) | |
1232 | n = flexlines - vpos; | |
1233 | fence = vpos + n; | |
1234 | for (i = flexlines; --i >= fence;) | |
1235 | line_dance[i] = line_dance[i-n]; | |
1236 | for (i = fence; --i >= vpos;) | |
1237 | line_dance[i] = -1; | |
dc6f92b8 JB |
1238 | } |
1239 | else | |
1240 | { | |
58769bee KH |
1241 | n = -n; |
1242 | if (n > flexlines - vpos) | |
1243 | n = flexlines - vpos; | |
1244 | fence = flexlines - n; | |
1245 | for (i = vpos; i < fence; ++i) | |
1246 | line_dance[i] = line_dance[i + n]; | |
1247 | for (i = fence; i < flexlines; ++i) | |
1248 | line_dance[i] = -1; | |
dc6f92b8 JB |
1249 | } |
1250 | } | |
1251 | ||
58769bee KH |
1252 | /* Here's where we actually move the pixels around. |
1253 | Must be called with input blocked. */ | |
1254 | static void | |
1255 | do_line_dance () | |
dc6f92b8 | 1256 | { |
58769bee KH |
1257 | register int i, j, distance; |
1258 | register struct frame *f; | |
1259 | int ht; | |
1260 | int intborder; | |
1261 | ||
1262 | /* Must check this flag first. If it's not set, then not only is the | |
1263 | array uninitialized, but we might not even have a frame. */ | |
1264 | if (!line_dance_in_progress) | |
1265 | return; | |
1266 | ||
1267 | f = updating_frame; | |
1268 | if (f == 0) | |
dc6f92b8 JB |
1269 | abort (); |
1270 | ||
58769bee KH |
1271 | ht = f->height; |
1272 | intborder = f->display.x->internal_border_width; | |
1273 | ||
f676886a | 1274 | x_display_cursor (updating_frame, 0); |
dc6f92b8 | 1275 | |
58769bee KH |
1276 | for (i = 0; i < ht; ++i) |
1277 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) | |
1278 | { | |
1279 | for (j = i; (j < ht && line_dance[j] != -1 | |
1280 | && line_dance[j]-j == distance); ++j); | |
1281 | /* Copy [i,j) upward from [i+distance,j+distance) */ | |
334208b7 | 1282 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1283 | FRAME_X_WINDOW (f), f->display.x->normal_gc, |
1284 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), | |
1285 | f->width * FONT_WIDTH (f->display.x->font), | |
1286 | (j-i) * f->display.x->line_height, | |
1287 | intborder, CHAR_TO_PIXEL_ROW (f, i)); | |
1288 | i = j-1; | |
1289 | } | |
dc6f92b8 | 1290 | |
58769bee KH |
1291 | for (i = ht; --i >=0; ) |
1292 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) | |
1293 | { | |
1294 | for (j = i; (--j >= 0 && line_dance[j] != -1 | |
0ccf5d73 | 1295 | && line_dance[j]-j == distance);); |
58769bee | 1296 | /* Copy (j,i] downward from (j+distance, i+distance] */ |
334208b7 | 1297 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1298 | FRAME_X_WINDOW (f), f->display.x->normal_gc, |
1299 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), | |
1300 | f->width * FONT_WIDTH (f->display.x->font), | |
1301 | (i-j) * f->display.x->line_height, | |
1302 | intborder, CHAR_TO_PIXEL_ROW (f, j+1)); | |
1303 | i = j+1; | |
1304 | } | |
1305 | ||
1306 | for (i = 0; i < ht; ++i) | |
1307 | if (line_dance[i] == -1) | |
1308 | { | |
1309 | for (j = i; j < ht && line_dance[j] == -1; ++j); | |
1310 | /* Clear [i,j) */ | |
334208b7 | 1311 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1312 | intborder, CHAR_TO_PIXEL_ROW (f, i), |
1313 | f->width * FONT_WIDTH (f->display.x->font), | |
1314 | (j-i) * f->display.x->line_height, False); | |
1315 | i = j-1; | |
1316 | } | |
1317 | line_dance_in_progress = 0; | |
dc6f92b8 JB |
1318 | } |
1319 | \f | |
f451eb13 | 1320 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1321 | static void clear_cursor (); |
1322 | ||
f676886a JB |
1323 | /* Output into a rectangle of an X-window (for frame F) |
1324 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1325 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1326 | ROWS and COLS are the size of the rectangle. |
1327 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1328 | |
1329 | static void | |
f676886a JB |
1330 | dumprectangle (f, left, top, cols, rows) |
1331 | struct frame *f; | |
dc6f92b8 JB |
1332 | register int left, top, cols, rows; |
1333 | { | |
f676886a | 1334 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1335 | int cursor_cleared = 0; |
1336 | int bottom, right; | |
1337 | register int y; | |
1338 | ||
f676886a | 1339 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1340 | return; |
1341 | ||
dc6f92b8 JB |
1342 | /* Express rectangle as four edges, instead of position-and-size. */ |
1343 | bottom = top + rows; | |
1344 | right = left + cols; | |
58769bee | 1345 | |
dc6f92b8 JB |
1346 | /* Convert rectangle edges in pixels to edges in chars. |
1347 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1348 | top = PIXEL_TO_CHAR_ROW (f, top); |
1349 | left = PIXEL_TO_CHAR_COL (f, left); | |
a27f9f86 | 1350 | bottom += (f->display.x->line_height - 1); |
f676886a | 1351 | right += (FONT_WIDTH (f->display.x->font) - 1); |
12ba150f JB |
1352 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1353 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1354 | |
1355 | /* Clip the rectangle to what can be visible. */ | |
1356 | if (left < 0) | |
1357 | left = 0; | |
1358 | if (top < 0) | |
1359 | top = 0; | |
f676886a JB |
1360 | if (right > f->width) |
1361 | right = f->width; | |
1362 | if (bottom > f->height) | |
1363 | bottom = f->height; | |
dc6f92b8 JB |
1364 | |
1365 | /* Get size in chars of the rectangle. */ | |
1366 | cols = right - left; | |
1367 | rows = bottom - top; | |
1368 | ||
1369 | /* If rectangle has zero area, return. */ | |
1370 | if (rows <= 0) return; | |
1371 | if (cols <= 0) return; | |
1372 | ||
1373 | /* Turn off the cursor if it is in the rectangle. | |
1374 | We will turn it back on afterward. */ | |
f676886a JB |
1375 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1376 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1377 | { |
f676886a | 1378 | clear_cursor (f); |
dc6f92b8 JB |
1379 | cursor_cleared = 1; |
1380 | } | |
1381 | ||
1382 | /* Display the text in the rectangle, one text line at a time. */ | |
1383 | ||
1384 | for (y = top; y < bottom; y++) | |
1385 | { | |
f676886a | 1386 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1387 | |
f676886a | 1388 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1389 | continue; |
1390 | ||
f676886a | 1391 | dumpglyphs (f, |
12ba150f JB |
1392 | CHAR_TO_PIXEL_COL (f, left), |
1393 | CHAR_TO_PIXEL_ROW (f, y), | |
1394 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1395 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1396 | } |
1397 | ||
1398 | /* Turn the cursor on if we turned it off. */ | |
1399 | ||
1400 | if (cursor_cleared) | |
f676886a | 1401 | x_display_cursor (f, 1); |
dc6f92b8 | 1402 | } |
dc6f92b8 | 1403 | \f |
dc6f92b8 | 1404 | static void |
334208b7 RS |
1405 | frame_highlight (f) |
1406 | struct frame *f; | |
dc6f92b8 | 1407 | { |
b3e1e05c JB |
1408 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1409 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1410 | and border pixel are window attributes which are "private to the | |
1411 | client", so we can always change it to whatever we want. */ | |
1412 | BLOCK_INPUT; | |
334208b7 RS |
1413 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1414 | f->display.x->border_pixel); | |
b3e1e05c | 1415 | UNBLOCK_INPUT; |
334208b7 | 1416 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1417 | } |
1418 | ||
1419 | static void | |
334208b7 RS |
1420 | frame_unhighlight (f) |
1421 | struct frame *f; | |
dc6f92b8 | 1422 | { |
b3e1e05c JB |
1423 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1424 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1425 | and border pixel are window attributes which are "private to the | |
1426 | client", so we can always change it to whatever we want. */ | |
1427 | BLOCK_INPUT; | |
334208b7 RS |
1428 | XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1429 | f->display.x->border_tile); | |
b3e1e05c | 1430 | UNBLOCK_INPUT; |
334208b7 | 1431 | x_display_cursor (f, 1); |
dc6f92b8 | 1432 | } |
dc6f92b8 | 1433 | |
f676886a | 1434 | static void XTframe_rehighlight (); |
0f941935 | 1435 | static void x_frame_rehighlight (); |
6d4238f3 | 1436 | |
f676886a JB |
1437 | /* The focus has changed. Update the frames as necessary to reflect |
1438 | the new situation. Note that we can't change the selected frame | |
c5acd733 | 1439 | here, because the Lisp code we are interrupting might become confused. |
eb8c3be9 | 1440 | Each event gets marked with the frame in which it occurred, so the |
c5acd733 | 1441 | Lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1442 | |
6d4238f3 | 1443 | static void |
0f941935 KH |
1444 | x_new_focus_frame (dpyinfo, frame) |
1445 | struct x_display_info *dpyinfo; | |
f676886a | 1446 | struct frame *frame; |
dc6f92b8 | 1447 | { |
0f941935 | 1448 | struct frame *old_focus = dpyinfo->x_focus_frame; |
dc6f92b8 JB |
1449 | int events_enqueued = 0; |
1450 | ||
0f941935 | 1451 | if (frame != dpyinfo->x_focus_frame) |
dc6f92b8 | 1452 | { |
58769bee | 1453 | /* Set this before calling other routines, so that they see |
f676886a | 1454 | the correct value of x_focus_frame. */ |
0f941935 | 1455 | dpyinfo->x_focus_frame = frame; |
6d4238f3 JB |
1456 | |
1457 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1458 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1459 | |
1460 | #if 0 | |
f676886a | 1461 | selected_frame = frame; |
e0c1aef2 KH |
1462 | XSETFRAME (XWINDOW (selected_frame->selected_window)->frame, |
1463 | selected_frame); | |
f676886a JB |
1464 | Fselect_window (selected_frame->selected_window); |
1465 | choose_minibuf_frame (); | |
c118dd06 | 1466 | #endif /* ! 0 */ |
dc6f92b8 | 1467 | |
0f941935 KH |
1468 | if (dpyinfo->x_focus_frame && dpyinfo->x_focus_frame->auto_raise) |
1469 | pending_autoraise_frame = dpyinfo->x_focus_frame; | |
0134a210 RS |
1470 | else |
1471 | pending_autoraise_frame = 0; | |
6d4238f3 | 1472 | } |
dc6f92b8 | 1473 | |
0f941935 | 1474 | x_frame_rehighlight (dpyinfo); |
6d4238f3 JB |
1475 | } |
1476 | ||
37c2c98b RS |
1477 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ |
1478 | ||
1479 | void | |
0f941935 KH |
1480 | x_mouse_leave (dpyinfo) |
1481 | struct x_display_info *dpyinfo; | |
37c2c98b | 1482 | { |
0f941935 | 1483 | x_new_focus_frame (dpyinfo, dpyinfo->x_focus_event_frame); |
37c2c98b | 1484 | } |
6d4238f3 | 1485 | |
f451eb13 JB |
1486 | /* The focus has changed, or we have redirected a frame's focus to |
1487 | another frame (this happens when a frame uses a surrogate | |
0f941935 KH |
1488 | minibuffer frame). Shift the highlight as appropriate. |
1489 | ||
1490 | The FRAME argument doesn't necessarily have anything to do with which | |
1491 | frame is being highlighted or unhighlighted; we only use it to find | |
1492 | the appropriate X display info. */ | |
6d4238f3 | 1493 | static void |
0f941935 KH |
1494 | XTframe_rehighlight (frame) |
1495 | struct frame *frame; | |
6d4238f3 | 1496 | { |
0f941935 KH |
1497 | x_frame_rehighlight (FRAME_X_DISPLAY_INFO (frame)); |
1498 | } | |
6d4238f3 | 1499 | |
0f941935 KH |
1500 | static void |
1501 | x_frame_rehighlight (dpyinfo) | |
1502 | struct x_display_info *dpyinfo; | |
1503 | { | |
1504 | struct frame *old_highlight = dpyinfo->x_highlight_frame; | |
1505 | ||
1506 | if (dpyinfo->x_focus_frame) | |
6d4238f3 | 1507 | { |
0f941935 KH |
1508 | dpyinfo->x_highlight_frame |
1509 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame))) | |
1510 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame)) | |
1511 | : dpyinfo->x_focus_frame); | |
1512 | if (! FRAME_LIVE_P (dpyinfo->x_highlight_frame)) | |
f451eb13 | 1513 | { |
0f941935 KH |
1514 | FRAME_FOCUS_FRAME (dpyinfo->x_focus_frame) = Qnil; |
1515 | dpyinfo->x_highlight_frame = dpyinfo->x_focus_frame; | |
f451eb13 | 1516 | } |
dc6f92b8 | 1517 | } |
6d4238f3 | 1518 | else |
0f941935 | 1519 | dpyinfo->x_highlight_frame = 0; |
dc6f92b8 | 1520 | |
0f941935 | 1521 | if (dpyinfo->x_highlight_frame != old_highlight) |
6d4238f3 JB |
1522 | { |
1523 | if (old_highlight) | |
f676886a | 1524 | frame_unhighlight (old_highlight); |
0f941935 KH |
1525 | if (dpyinfo->x_highlight_frame) |
1526 | frame_highlight (dpyinfo->x_highlight_frame); | |
6d4238f3 | 1527 | } |
dc6f92b8 JB |
1528 | } |
1529 | \f | |
e4571a43 | 1530 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1531 | |
28430d3c JB |
1532 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1533 | static void | |
334208b7 RS |
1534 | x_find_modifier_meanings (dpyinfo) |
1535 | struct x_display_info *dpyinfo; | |
28430d3c | 1536 | { |
f689eb05 | 1537 | int min_code, max_code; |
28430d3c JB |
1538 | KeySym *syms; |
1539 | int syms_per_code; | |
1540 | XModifierKeymap *mods; | |
1541 | ||
334208b7 RS |
1542 | dpyinfo->meta_mod_mask = 0; |
1543 | dpyinfo->shift_lock_mask = 0; | |
1544 | dpyinfo->alt_mod_mask = 0; | |
1545 | dpyinfo->super_mod_mask = 0; | |
1546 | dpyinfo->hyper_mod_mask = 0; | |
58769bee | 1547 | |
9658a521 | 1548 | #ifdef HAVE_X11R4 |
334208b7 | 1549 | XDisplayKeycodes (dpyinfo->display, &min_code, &max_code); |
9658a521 | 1550 | #else |
334208b7 RS |
1551 | min_code = display->min_keycode; |
1552 | max_code = display->max_keycode; | |
9658a521 JB |
1553 | #endif |
1554 | ||
334208b7 | 1555 | syms = XGetKeyboardMapping (dpyinfo->display, |
28430d3c JB |
1556 | min_code, max_code - min_code + 1, |
1557 | &syms_per_code); | |
334208b7 | 1558 | mods = XGetModifierMapping (dpyinfo->display); |
28430d3c | 1559 | |
58769bee | 1560 | /* Scan the modifier table to see which modifier bits the Meta and |
11edeb03 | 1561 | Alt keysyms are on. */ |
28430d3c JB |
1562 | { |
1563 | int row, col; /* The row and column in the modifier table. */ | |
1564 | ||
1565 | for (row = 3; row < 8; row++) | |
1566 | for (col = 0; col < mods->max_keypermod; col++) | |
1567 | { | |
0299d313 RS |
1568 | KeyCode code |
1569 | = mods->modifiermap[(row * mods->max_keypermod) + col]; | |
28430d3c | 1570 | |
af92970c KH |
1571 | /* Zeroes are used for filler. Skip them. */ |
1572 | if (code == 0) | |
1573 | continue; | |
1574 | ||
28430d3c JB |
1575 | /* Are any of this keycode's keysyms a meta key? */ |
1576 | { | |
1577 | int code_col; | |
1578 | ||
1579 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1580 | { | |
f689eb05 | 1581 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1582 | |
f689eb05 | 1583 | switch (sym) |
28430d3c | 1584 | { |
f689eb05 JB |
1585 | case XK_Meta_L: |
1586 | case XK_Meta_R: | |
334208b7 | 1587 | dpyinfo->meta_mod_mask |= (1 << row); |
28430d3c | 1588 | break; |
f689eb05 JB |
1589 | |
1590 | case XK_Alt_L: | |
1591 | case XK_Alt_R: | |
334208b7 | 1592 | dpyinfo->alt_mod_mask |= (1 << row); |
a3c44b14 RS |
1593 | break; |
1594 | ||
1595 | case XK_Hyper_L: | |
1596 | case XK_Hyper_R: | |
334208b7 | 1597 | dpyinfo->hyper_mod_mask |= (1 << row); |
a3c44b14 RS |
1598 | break; |
1599 | ||
1600 | case XK_Super_L: | |
1601 | case XK_Super_R: | |
334208b7 | 1602 | dpyinfo->super_mod_mask |= (1 << row); |
f689eb05 | 1603 | break; |
11edeb03 JB |
1604 | |
1605 | case XK_Shift_Lock: | |
1606 | /* Ignore this if it's not on the lock modifier. */ | |
1607 | if ((1 << row) == LockMask) | |
334208b7 | 1608 | dpyinfo->shift_lock_mask = LockMask; |
11edeb03 | 1609 | break; |
28430d3c JB |
1610 | } |
1611 | } | |
1612 | } | |
1613 | } | |
1614 | } | |
1615 | ||
f689eb05 | 1616 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
334208b7 | 1617 | if (! dpyinfo->meta_mod_mask) |
a3c44b14 | 1618 | { |
334208b7 RS |
1619 | dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask; |
1620 | dpyinfo->alt_mod_mask = 0; | |
a3c44b14 | 1621 | } |
f689eb05 | 1622 | |
148c4b70 RS |
1623 | /* If some keys are both alt and meta, |
1624 | make them just meta, not alt. */ | |
334208b7 | 1625 | if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask) |
148c4b70 | 1626 | { |
334208b7 | 1627 | dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask; |
148c4b70 | 1628 | } |
58769bee | 1629 | |
28430d3c | 1630 | XFree ((char *) syms); |
f689eb05 | 1631 | XFreeModifiermap (mods); |
28430d3c JB |
1632 | } |
1633 | ||
dfeccd2d JB |
1634 | /* Convert between the modifier bits X uses and the modifier bits |
1635 | Emacs uses. */ | |
7c5283e4 | 1636 | static unsigned int |
334208b7 RS |
1637 | x_x_to_emacs_modifiers (dpyinfo, state) |
1638 | struct x_display_info *dpyinfo; | |
dc6f92b8 JB |
1639 | unsigned int state; |
1640 | { | |
334208b7 RS |
1641 | return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0) |
1642 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
1643 | | ((state & dpyinfo->meta_mod_mask) ? meta_modifier : 0) | |
1644 | | ((state & dpyinfo->alt_mod_mask) ? alt_modifier : 0) | |
1645 | | ((state & dpyinfo->super_mod_mask) ? super_modifier : 0) | |
1646 | | ((state & dpyinfo->hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1647 | } |
1648 | ||
dfeccd2d | 1649 | static unsigned int |
334208b7 RS |
1650 | x_emacs_to_x_modifiers (dpyinfo, state) |
1651 | struct x_display_info *dpyinfo; | |
dfeccd2d JB |
1652 | unsigned int state; |
1653 | { | |
334208b7 RS |
1654 | return ( ((state & alt_modifier) ? dpyinfo->alt_mod_mask : 0) |
1655 | | ((state & super_modifier) ? dpyinfo->super_mod_mask : 0) | |
1656 | | ((state & hyper_modifier) ? dpyinfo->hyper_mod_mask : 0) | |
1657 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1658 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1659 | | ((state & meta_modifier) ? dpyinfo->meta_mod_mask : 0)); | |
dfeccd2d | 1660 | } |
d047c4eb KH |
1661 | |
1662 | /* Convert a keysym to its name. */ | |
1663 | ||
1664 | char * | |
1665 | x_get_keysym_name (keysym) | |
1666 | KeySym keysym; | |
1667 | { | |
1668 | char *value; | |
1669 | ||
1670 | BLOCK_INPUT; | |
1671 | value = XKeysymToString (keysym); | |
1672 | UNBLOCK_INPUT; | |
1673 | ||
1674 | return value; | |
1675 | } | |
e4571a43 JB |
1676 | \f |
1677 | /* Mouse clicks and mouse movement. Rah. */ | |
e4571a43 JB |
1678 | |
1679 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1680 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1681 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1682 | If NOCLIP is nonzero, do not force the value into range. */ | |
1683 | ||
c8dba240 | 1684 | void |
69388238 | 1685 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1686 | FRAME_PTR f; |
69388238 | 1687 | register int pix_x, pix_y; |
e4571a43 JB |
1688 | register int *x, *y; |
1689 | XRectangle *bounds; | |
69388238 | 1690 | int noclip; |
e4571a43 | 1691 | { |
69388238 RS |
1692 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1693 | even for negative values. */ | |
1694 | if (pix_x < 0) | |
1695 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1696 | if (pix_y < 0) | |
a27f9f86 | 1697 | pix_y -= (f)->display.x->line_height - 1; |
69388238 | 1698 | |
e4571a43 JB |
1699 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1700 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1701 | ||
1702 | if (bounds) | |
1703 | { | |
1704 | bounds->width = FONT_WIDTH (f->display.x->font); | |
a27f9f86 | 1705 | bounds->height = f->display.x->line_height; |
e4571a43 JB |
1706 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1707 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1708 | } | |
1709 | ||
69388238 RS |
1710 | if (!noclip) |
1711 | { | |
1712 | if (pix_x < 0) | |
1713 | pix_x = 0; | |
1714 | else if (pix_x > f->width) | |
1715 | pix_x = f->width; | |
1716 | ||
1717 | if (pix_y < 0) | |
1718 | pix_y = 0; | |
1719 | else if (pix_y > f->height) | |
1720 | pix_y = f->height; | |
1721 | } | |
e4571a43 JB |
1722 | |
1723 | *x = pix_x; | |
1724 | *y = pix_y; | |
1725 | } | |
1726 | ||
2b5c9e71 RS |
1727 | void |
1728 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1729 | FRAME_PTR f; | |
1730 | register int x, y; | |
1731 | register int *pix_x, *pix_y; | |
1732 | { | |
1733 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1734 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1735 | } | |
1736 | ||
dc6f92b8 JB |
1737 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1738 | ||
1739 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1740 | the mouse. */ |
dc6f92b8 JB |
1741 | |
1742 | static Lisp_Object | |
f451eb13 | 1743 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1744 | struct input_event *result; |
1745 | XButtonEvent *event; | |
f676886a | 1746 | struct frame *f; |
dc6f92b8 | 1747 | { |
f451eb13 | 1748 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1749 | otherwise. */ |
f451eb13 | 1750 | result->kind = mouse_click; |
69388238 | 1751 | result->code = event->button - Button1; |
1113d9db | 1752 | result->timestamp = event->time; |
334208b7 RS |
1753 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1754 | event->state) | |
f689eb05 | 1755 | | (event->type == ButtonRelease |
58769bee | 1756 | ? up_modifier |
f689eb05 | 1757 | : down_modifier)); |
dc6f92b8 | 1758 | |
f451eb13 JB |
1759 | { |
1760 | int row, column; | |
dc6f92b8 | 1761 | |
2b5c9e71 | 1762 | #if 0 |
69388238 | 1763 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
90e1eb6f KH |
1764 | XSETFASTINT (result->x, column); |
1765 | XSETFASTINT (result->y, row); | |
2b5c9e71 | 1766 | #endif |
e0c1aef2 KH |
1767 | XSETINT (result->x, event->x); |
1768 | XSETINT (result->y, event->y); | |
1769 | XSETFRAME (result->frame_or_window, f); | |
f451eb13 | 1770 | } |
dc6f92b8 | 1771 | } |
b849c413 RS |
1772 | |
1773 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
1774 | ||
1775 | static Lisp_Object | |
1776 | construct_menu_click (result, event, f) | |
1777 | struct input_event *result; | |
1778 | XButtonEvent *event; | |
1779 | struct frame *f; | |
1780 | { | |
1781 | /* Make the event type no_event; we'll change that when we decide | |
1782 | otherwise. */ | |
1783 | result->kind = mouse_click; | |
e0c1aef2 | 1784 | XSETINT (result->code, event->button - Button1); |
b849c413 | 1785 | result->timestamp = event->time; |
334208b7 RS |
1786 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1787 | event->state) | |
b849c413 | 1788 | | (event->type == ButtonRelease |
58769bee | 1789 | ? up_modifier |
b849c413 RS |
1790 | : down_modifier)); |
1791 | ||
e0c1aef2 KH |
1792 | XSETINT (result->x, event->x); |
1793 | XSETINT (result->y, -1); | |
1794 | XSETFRAME (result->frame_or_window, f); | |
b849c413 | 1795 | } |
69388238 | 1796 | \f |
90e65f07 JB |
1797 | /* Function to report a mouse movement to the mainstream Emacs code. |
1798 | The input handler calls this. | |
1799 | ||
1800 | We have received a mouse movement event, which is given in *event. | |
1801 | If the mouse is over a different glyph than it was last time, tell | |
1802 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1803 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 1804 | |
90e65f07 | 1805 | static void |
12ba150f | 1806 | note_mouse_movement (frame, event) |
f676886a | 1807 | FRAME_PTR frame; |
90e65f07 | 1808 | XMotionEvent *event; |
90e65f07 | 1809 | { |
e5d77022 JB |
1810 | last_mouse_movement_time = event->time; |
1811 | ||
27f338af RS |
1812 | if (event->window != FRAME_X_WINDOW (frame)) |
1813 | { | |
1814 | mouse_moved = 1; | |
1815 | last_mouse_scroll_bar = Qnil; | |
1816 | ||
1817 | note_mouse_highlight (frame, -1, -1); | |
1818 | ||
1819 | /* Ask for another mouse motion event. */ | |
1820 | { | |
1821 | int dummy; | |
847e150a | 1822 | Window dummy_window; |
27f338af RS |
1823 | |
1824 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), | |
847e150a | 1825 | &dummy_window, &dummy_window, |
27f338af RS |
1826 | &dummy, &dummy, &dummy, &dummy, |
1827 | (unsigned int *) &dummy); | |
1828 | } | |
1829 | } | |
1830 | ||
90e65f07 | 1831 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
1832 | else if (event->x < last_mouse_glyph.x |
1833 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1834 | || event->y < last_mouse_glyph.y | |
1835 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1836 | { |
1837 | mouse_moved = 1; | |
ab648270 | 1838 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
1839 | |
1840 | note_mouse_highlight (frame, event->x, event->y); | |
1841 | ||
1842 | /* Ask for another mouse motion event. */ | |
1843 | { | |
1844 | int dummy; | |
847e150a | 1845 | Window dummy_window; |
b8009dd1 | 1846 | |
27f338af | 1847 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1848 | &dummy_window, &dummy_window, |
b8009dd1 RS |
1849 | &dummy, &dummy, &dummy, &dummy, |
1850 | (unsigned int *) &dummy); | |
1851 | } | |
12ba150f | 1852 | } |
90e65f07 JB |
1853 | else |
1854 | { | |
1855 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1856 | event the next time the mouse moves and we can see if it's | |
1857 | *still* on the same glyph. */ | |
1858 | int dummy; | |
847e150a | 1859 | Window dummy_window; |
58769bee | 1860 | |
27f338af | 1861 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1862 | &dummy_window, &dummy_window, |
90e65f07 JB |
1863 | &dummy, &dummy, &dummy, &dummy, |
1864 | (unsigned int *) &dummy); | |
1865 | } | |
1866 | } | |
1867 | ||
bf1c0ba1 RS |
1868 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
1869 | static int disable_mouse_highlight; | |
1870 | ||
b8009dd1 RS |
1871 | /* Take proper action when the mouse has moved to position X, Y on frame F |
1872 | as regards highlighting characters that have mouse-face properties. | |
27f338af RS |
1873 | Also dehighlighting chars where the mouse was before. |
1874 | X and Y can be negative or out of range. */ | |
b8009dd1 RS |
1875 | |
1876 | static void | |
1877 | note_mouse_highlight (f, x, y) | |
1878 | FRAME_PTR f; | |
c32cdd9a | 1879 | int x, y; |
b8009dd1 RS |
1880 | { |
1881 | int row, column, portion; | |
1882 | XRectangle new_glyph; | |
1883 | Lisp_Object window; | |
1884 | struct window *w; | |
1885 | ||
bf1c0ba1 RS |
1886 | if (disable_mouse_highlight) |
1887 | return; | |
1888 | ||
7a13e894 RS |
1889 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x = x; |
1890 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y = y; | |
1891 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame = f; | |
b8009dd1 | 1892 | |
7a13e894 | 1893 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_defer) |
b8009dd1 RS |
1894 | return; |
1895 | ||
514e4681 RS |
1896 | if (gc_in_progress) |
1897 | { | |
7a13e894 | 1898 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 1; |
514e4681 RS |
1899 | return; |
1900 | } | |
1901 | ||
b8009dd1 RS |
1902 | /* Find out which glyph the mouse is on. */ |
1903 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
334208b7 | 1904 | &new_glyph, FRAME_X_DISPLAY_INFO (f)->grabbed); |
b8009dd1 RS |
1905 | |
1906 | /* Which window is that in? */ | |
1907 | window = window_from_coordinates (f, column, row, &portion); | |
1908 | w = XWINDOW (window); | |
1909 | ||
1910 | /* If we were displaying active text in another window, clear that. */ | |
7a13e894 RS |
1911 | if (! EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) |
1912 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); | |
b8009dd1 | 1913 | |
0cdd0c9f RS |
1914 | /* Are we in a window whose display is up to date? |
1915 | And verify the buffer's text has not changed. */ | |
27f338af RS |
1916 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
1917 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
0cdd0c9f RS |
1918 | && EQ (w->window_end_valid, w->buffer) |
1919 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
1920 | { |
1921 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
1922 | int i, pos; | |
1923 | ||
1924 | /* Find which buffer position the mouse corresponds to. */ | |
1925 | for (i = column; i >= 0; i--) | |
1926 | if (ptr[i] > 0) | |
1927 | break; | |
1928 | pos = ptr[i]; | |
1929 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 | 1930 | if (pos <= 0) |
7a13e894 RS |
1931 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
1932 | else if (! (EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window) | |
1933 | && row >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1934 | && row <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1935 | && (row > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1936 | || column >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col) | |
1937 | && (row < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1938 | || column < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
1939 | || FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end))) | |
b8009dd1 RS |
1940 | { |
1941 | Lisp_Object mouse_face, overlay, position; | |
1942 | Lisp_Object *overlay_vec; | |
1943 | int len, noverlays, ignor1; | |
f8bdb8e6 | 1944 | struct buffer *obuf; |
e444162e | 1945 | int obegv, ozv; |
f8bdb8e6 | 1946 | |
e444162e RS |
1947 | /* If we get an out-of-range value, return now; avoid an error. */ |
1948 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 1949 | return; |
b8009dd1 | 1950 | |
09fe4c31 RS |
1951 | /* Make the window's buffer temporarily current for |
1952 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 1953 | obuf = current_buffer; |
09fe4c31 | 1954 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
1955 | obegv = BEGV; |
1956 | ozv = ZV; | |
1957 | BEGV = BEG; | |
1958 | ZV = Z; | |
09fe4c31 | 1959 | |
b8009dd1 | 1960 | /* Yes. Clear the display of the old active region, if any. */ |
7a13e894 | 1961 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
b8009dd1 RS |
1962 | |
1963 | /* Is this char mouse-active? */ | |
e0c1aef2 | 1964 | XSETINT (position, pos); |
b8009dd1 RS |
1965 | |
1966 | len = 10; | |
1967 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
1968 | ||
1969 | /* Put all the overlays we want in a vector in overlay_vec. | |
1970 | Store the length in len. */ | |
7965883b RS |
1971 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, |
1972 | NULL, NULL); | |
09fe4c31 | 1973 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
1974 | |
1975 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
1976 | overlay = Qnil; | |
1977 | for (i = 0; i < noverlays; i++) | |
1978 | { | |
1979 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
1980 | if (!NILP (mouse_face)) | |
1981 | { | |
1982 | overlay = overlay_vec[i]; | |
1983 | break; | |
1984 | } | |
1985 | } | |
1986 | free (overlay_vec); | |
1987 | /* If no overlay applies, get a text property. */ | |
1988 | if (NILP (overlay)) | |
1989 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
1990 | ||
1991 | /* Handle the overlay case. */ | |
1992 | if (! NILP (overlay)) | |
1993 | { | |
1994 | /* Find the range of text around this char that | |
1995 | should be active. */ | |
1996 | Lisp_Object before, after; | |
1997 | int ignore; | |
1998 | ||
1999 | before = Foverlay_start (overlay); | |
2000 | after = Foverlay_end (overlay); | |
2001 | /* Record this as the current active region. */ | |
7a13e894 RS |
2002 | fast_find_position (window, before, |
2003 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
2004 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
2005 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
2006 | = !fast_find_position (window, after, | |
2007 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
2008 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
2009 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
2010 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
2011 | = compute_char_face (f, w, pos, 0, 0, | |
2012 | &ignore, pos + 1, 1); | |
b8009dd1 RS |
2013 | |
2014 | /* Display it as active. */ | |
7a13e894 | 2015 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 RS |
2016 | } |
2017 | /* Handle the text property case. */ | |
2018 | else if (! NILP (mouse_face)) | |
2019 | { | |
2020 | /* Find the range of text around this char that | |
2021 | should be active. */ | |
2022 | Lisp_Object before, after, beginning, end; | |
2023 | int ignore; | |
2024 | ||
2025 | beginning = Fmarker_position (w->start); | |
e0c1aef2 KH |
2026 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) |
2027 | - XFASTINT (w->window_end_pos))); | |
b8009dd1 RS |
2028 | before |
2029 | = Fprevious_single_property_change (make_number (pos + 1), | |
2030 | Qmouse_face, | |
2031 | w->buffer, beginning); | |
2032 | after | |
2033 | = Fnext_single_property_change (position, Qmouse_face, | |
2034 | w->buffer, end); | |
2035 | /* Record this as the current active region. */ | |
7a13e894 RS |
2036 | fast_find_position (window, before, |
2037 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
2038 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
2039 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
2040 | = !fast_find_position (window, after, | |
2041 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
2042 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
2043 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
2044 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
b8009dd1 RS |
2045 | = compute_char_face (f, w, pos, 0, 0, |
2046 | &ignore, pos + 1, 1); | |
2047 | ||
2048 | /* Display it as active. */ | |
7a13e894 | 2049 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 | 2050 | } |
e444162e RS |
2051 | BEGV = obegv; |
2052 | ZV = ozv; | |
09fe4c31 | 2053 | current_buffer = obuf; |
b8009dd1 | 2054 | } |
b8009dd1 RS |
2055 | } |
2056 | } | |
2057 | \f | |
2058 | /* Find the row and column of position POS in window WINDOW. | |
2059 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2060 | This assumes display in WINDOW is up to date. |
2061 | If POS is above start of WINDOW, return coords | |
2062 | of start of first screen line. | |
4d73d038 RS |
2063 | If POS is after end of WINDOW, return coords of end of last screen line. |
2064 | ||
2065 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
b8009dd1 RS |
2066 | |
2067 | static int | |
2068 | fast_find_position (window, pos, columnp, rowp) | |
2069 | Lisp_Object window; | |
2070 | int pos; | |
2071 | int *columnp, *rowp; | |
2072 | { | |
2073 | struct window *w = XWINDOW (window); | |
2074 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2075 | int i; | |
4d73d038 | 2076 | int row = 0; |
b8009dd1 RS |
2077 | int left = w->left; |
2078 | int top = w->top; | |
2079 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2080 | int width = window_internal_width (w); | |
2081 | int *charstarts; | |
bf1c0ba1 | 2082 | int lastcol; |
77b68646 | 2083 | int maybe_next_line = 0; |
b8009dd1 | 2084 | |
4d73d038 | 2085 | /* Find the right row. */ |
b8009dd1 RS |
2086 | for (i = 0; |
2087 | i < height; | |
2088 | i++) | |
2089 | { | |
2090 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2091 | if (linestart > pos) | |
2092 | break; | |
77b68646 RS |
2093 | /* If the position sought is the end of the buffer, |
2094 | don't include the blank lines at the bottom of the window. */ | |
2095 | if (linestart == pos && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2096 | { | |
2097 | maybe_next_line = 1; | |
2098 | break; | |
2099 | } | |
b8009dd1 RS |
2100 | if (linestart > 0) |
2101 | row = i; | |
2102 | } | |
2103 | ||
4d73d038 | 2104 | /* Find the right column with in it. */ |
b8009dd1 | 2105 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
bf1c0ba1 | 2106 | lastcol = left; |
b8009dd1 | 2107 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2108 | { |
2109 | if (charstarts[left + i] == pos) | |
2110 | { | |
2111 | *rowp = row + top; | |
2112 | *columnp = i + left; | |
2113 | return 1; | |
2114 | } | |
2115 | else if (charstarts[left + i] > pos) | |
4d73d038 RS |
2116 | break; |
2117 | else if (charstarts[left + i] > 0) | |
bf1c0ba1 RS |
2118 | lastcol = left + i; |
2119 | } | |
b8009dd1 | 2120 | |
77b68646 RS |
2121 | /* If we're looking for the end of the buffer, |
2122 | and we didn't find it in the line we scanned, | |
2123 | use the start of the following line. */ | |
2124 | if (maybe_next_line) | |
2125 | { | |
2126 | row++; | |
2127 | i = 0; | |
2128 | } | |
2129 | ||
bf1c0ba1 RS |
2130 | *rowp = row + top; |
2131 | *columnp = lastcol; | |
b8009dd1 RS |
2132 | return 0; |
2133 | } | |
2134 | ||
2135 | /* Display the active region described by mouse_face_* | |
2136 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2137 | ||
2138 | static void | |
7a13e894 RS |
2139 | show_mouse_face (dpyinfo, hl) |
2140 | struct x_display_info *dpyinfo; | |
b8009dd1 RS |
2141 | int hl; |
2142 | { | |
7a13e894 | 2143 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); |
b8009dd1 RS |
2144 | int width = window_internal_width (w); |
2145 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2146 | int i; | |
514e4681 | 2147 | int cursor_off = 0; |
fb3b7de5 RS |
2148 | int old_curs_x = curs_x; |
2149 | int old_curs_y = curs_y; | |
2150 | ||
2151 | /* Set these variables temporarily | |
2152 | so that if we have to turn the cursor off and on again | |
2153 | we will put it back at the same place. */ | |
2154 | curs_x = f->phys_cursor_x; | |
2155 | curs_y = f->phys_cursor_y; | |
b8009dd1 | 2156 | |
7a13e894 RS |
2157 | for (i = FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row; |
2158 | i <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row; i++) | |
b8009dd1 | 2159 | { |
7a13e894 RS |
2160 | int column = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
2161 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col | |
2162 | : w->left); | |
2163 | int endcolumn = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
2164 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
2165 | : w->left + width); | |
6f4c2453 | 2166 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
514e4681 RS |
2167 | |
2168 | /* If the cursor's in the text we are about to rewrite, | |
2169 | turn the cursor off. */ | |
2170 | if (i == curs_y | |
7a13e894 RS |
2171 | && curs_x >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col - 1 |
2172 | && curs_x <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col) | |
514e4681 RS |
2173 | { |
2174 | x_display_cursor (f, 0); | |
2175 | cursor_off = 1; | |
2176 | } | |
b8009dd1 RS |
2177 | |
2178 | dumpglyphs (f, | |
2179 | CHAR_TO_PIXEL_COL (f, column), | |
2180 | CHAR_TO_PIXEL_ROW (f, i), | |
2181 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2182 | endcolumn - column, | |
2183 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2184 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2185 | } |
2186 | ||
514e4681 RS |
2187 | /* If we turned the cursor off, turn it back on. */ |
2188 | if (cursor_off) | |
2189 | x_display_cursor (f, 1); | |
27ead1d5 | 2190 | |
fb3b7de5 RS |
2191 | curs_x = old_curs_x; |
2192 | curs_y = old_curs_y; | |
2193 | ||
27ead1d5 FP |
2194 | /* Change the mouse cursor according to the value of HL. */ |
2195 | if (hl > 0) | |
334208b7 RS |
2196 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
2197 | f->display.x->cross_cursor); | |
27ead1d5 | 2198 | else |
334208b7 RS |
2199 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
2200 | f->display.x->text_cursor); | |
b8009dd1 RS |
2201 | } |
2202 | ||
2203 | /* Clear out the mouse-highlighted active region. | |
2204 | Redraw it unhighlighted first. */ | |
2205 | ||
2206 | static void | |
7a13e894 RS |
2207 | clear_mouse_face (dpyinfo) |
2208 | struct x_display_info *dpyinfo; | |
b8009dd1 | 2209 | { |
7a13e894 RS |
2210 | if (! NILP (dpyinfo->mouse_face_window)) |
2211 | show_mouse_face (dpyinfo, 0); | |
b8009dd1 | 2212 | |
7a13e894 RS |
2213 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
2214 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
2215 | dpyinfo->mouse_face_window = Qnil; | |
b8009dd1 RS |
2216 | } |
2217 | \f | |
ab648270 JB |
2218 | static struct scroll_bar *x_window_to_scroll_bar (); |
2219 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2220 | |
90e65f07 | 2221 | /* Return the current position of the mouse. |
2d7fc7e8 | 2222 | *fp should be a frame which indicates which display to ask about. |
90e65f07 | 2223 | |
2d7fc7e8 | 2224 | If the mouse movement started in a scroll bar, set *fp, *bar_window, |
ab648270 | 2225 | and *part to the frame, window, and scroll bar part that the mouse |
12ba150f | 2226 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2227 | position on the scroll bar. |
12ba150f | 2228 | |
2d7fc7e8 | 2229 | If the mouse movement started elsewhere, set *fp to the frame the |
12ba150f JB |
2230 | mouse is on, *bar_window to nil, and *x and *y to the character cell |
2231 | the mouse is over. | |
2232 | ||
2233 | Set *time to the server timestamp for the time at which the mouse | |
2234 | was at this position. | |
2235 | ||
a135645a RS |
2236 | Don't store anything if we don't have a valid set of values to report. |
2237 | ||
90e65f07 | 2238 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2239 | movement. This also calls XQueryPointer, which will cause the |
2240 | server to give us another MotionNotify when the mouse moves | |
2241 | again. */ | |
90e65f07 JB |
2242 | |
2243 | static void | |
1cf412ec | 2244 | XTmouse_position (fp, insist, bar_window, part, x, y, time) |
334208b7 | 2245 | FRAME_PTR *fp; |
1cf412ec | 2246 | int insist; |
12ba150f | 2247 | Lisp_Object *bar_window; |
ab648270 | 2248 | enum scroll_bar_part *part; |
90e65f07 | 2249 | Lisp_Object *x, *y; |
e5d77022 | 2250 | unsigned long *time; |
90e65f07 | 2251 | { |
a135645a RS |
2252 | FRAME_PTR f1; |
2253 | ||
90e65f07 JB |
2254 | BLOCK_INPUT; |
2255 | ||
ab648270 | 2256 | if (! NILP (last_mouse_scroll_bar)) |
334208b7 | 2257 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
90e65f07 JB |
2258 | else |
2259 | { | |
12ba150f JB |
2260 | Window root; |
2261 | int root_x, root_y; | |
90e65f07 | 2262 | |
12ba150f JB |
2263 | Window dummy_window; |
2264 | int dummy; | |
2265 | ||
2266 | mouse_moved = 0; | |
ab648270 | 2267 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2268 | |
2269 | /* Figure out which root window we're on. */ | |
334208b7 RS |
2270 | XQueryPointer (FRAME_X_DISPLAY (*fp), |
2271 | DefaultRootWindow (FRAME_X_DISPLAY (*fp)), | |
12ba150f JB |
2272 | |
2273 | /* The root window which contains the pointer. */ | |
2274 | &root, | |
2275 | ||
2276 | /* Trash which we can't trust if the pointer is on | |
2277 | a different screen. */ | |
2278 | &dummy_window, | |
2279 | ||
2280 | /* The position on that root window. */ | |
58769bee | 2281 | &root_x, &root_y, |
12ba150f JB |
2282 | |
2283 | /* More trash we can't trust. */ | |
2284 | &dummy, &dummy, | |
2285 | ||
2286 | /* Modifier keys and pointer buttons, about which | |
2287 | we don't care. */ | |
2288 | (unsigned int *) &dummy); | |
2289 | ||
2290 | /* Now we have a position on the root; find the innermost window | |
2291 | containing the pointer. */ | |
2292 | { | |
2293 | Window win, child; | |
2294 | int win_x, win_y; | |
2295 | int parent_x, parent_y; | |
2296 | ||
2297 | win = root; | |
69388238 | 2298 | |
2d7fc7e8 RS |
2299 | /* XTranslateCoordinates can get errors if the window |
2300 | structure is changing at the same time this function | |
2301 | is running. So at least we must not crash from them. */ | |
2302 | ||
2303 | x_catch_errors (FRAME_X_DISPLAY (*fp)); | |
2304 | ||
334208b7 | 2305 | if (FRAME_X_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
23faf38f | 2306 | && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 2307 | { |
69388238 RS |
2308 | /* If mouse was grabbed on a frame, give coords for that frame |
2309 | even if the mouse is now outside it. */ | |
334208b7 | 2310 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
69388238 | 2311 | |
12ba150f | 2312 | /* From-window, to-window. */ |
69388238 | 2313 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2314 | |
2315 | /* From-position, to-position. */ | |
2316 | root_x, root_y, &win_x, &win_y, | |
2317 | ||
2318 | /* Child of win. */ | |
2319 | &child); | |
69388238 RS |
2320 | f1 = last_mouse_frame; |
2321 | } | |
2322 | else | |
2323 | { | |
2324 | while (1) | |
2325 | { | |
334208b7 | 2326 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
12ba150f | 2327 | |
69388238 RS |
2328 | /* From-window, to-window. */ |
2329 | root, win, | |
12ba150f | 2330 | |
69388238 RS |
2331 | /* From-position, to-position. */ |
2332 | root_x, root_y, &win_x, &win_y, | |
2333 | ||
2334 | /* Child of win. */ | |
2335 | &child); | |
2336 | ||
2337 | if (child == None) | |
2338 | break; | |
2339 | ||
2340 | win = child; | |
2341 | parent_x = win_x; | |
2342 | parent_y = win_y; | |
2343 | } | |
12ba150f | 2344 | |
69388238 RS |
2345 | /* Now we know that: |
2346 | win is the innermost window containing the pointer | |
2347 | (XTC says it has no child containing the pointer), | |
2348 | win_x and win_y are the pointer's position in it | |
2349 | (XTC did this the last time through), and | |
2350 | parent_x and parent_y are the pointer's position in win's parent. | |
2351 | (They are what win_x and win_y were when win was child. | |
2352 | If win is the root window, it has no parent, and | |
2353 | parent_{x,y} are invalid, but that's okay, because we'll | |
2354 | never use them in that case.) */ | |
2355 | ||
2356 | /* Is win one of our frames? */ | |
19126e11 | 2357 | f1 = x_any_window_to_frame (FRAME_X_DISPLAY_INFO (*fp), win); |
69388238 | 2358 | } |
58769bee | 2359 | |
2d7fc7e8 RS |
2360 | if (x_had_errors_p (FRAME_X_DISPLAY (*fp))) |
2361 | f1 = 0; | |
2362 | ||
2363 | x_uncatch_errors (FRAME_X_DISPLAY (*fp)); | |
2364 | ||
ab648270 | 2365 | /* If not, is it one of our scroll bars? */ |
a135645a | 2366 | if (! f1) |
12ba150f | 2367 | { |
ab648270 | 2368 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2369 | |
2370 | if (bar) | |
2371 | { | |
a135645a | 2372 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2373 | win_x = parent_x; |
2374 | win_y = parent_y; | |
2375 | } | |
2376 | } | |
90e65f07 | 2377 | |
1cf412ec RS |
2378 | if (f1 == 0 && insist) |
2379 | f1 = selected_frame; | |
2380 | ||
a135645a | 2381 | if (f1) |
12ba150f | 2382 | { |
2b5c9e71 RS |
2383 | int ignore1, ignore2; |
2384 | ||
2385 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2386 | |
2b5c9e71 | 2387 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
334208b7 | 2388 | &last_mouse_glyph, |
1cf412ec RS |
2389 | FRAME_X_DISPLAY_INFO (f1)->grabbed |
2390 | || insist); | |
12ba150f JB |
2391 | |
2392 | *bar_window = Qnil; | |
2393 | *part = 0; | |
334208b7 | 2394 | *fp = f1; |
e0c1aef2 KH |
2395 | XSETINT (*x, win_x); |
2396 | XSETINT (*y, win_y); | |
12ba150f JB |
2397 | *time = last_mouse_movement_time; |
2398 | } | |
2399 | } | |
2400 | } | |
90e65f07 JB |
2401 | |
2402 | UNBLOCK_INPUT; | |
2403 | } | |
c118dd06 | 2404 | \f |
ab648270 | 2405 | /* Scroll bar support. */ |
f451eb13 | 2406 | |
ab648270 JB |
2407 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2408 | This can be called in GC, so we have to make sure to strip off mark | |
2409 | bits. */ | |
2410 | static struct scroll_bar * | |
2411 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2412 | Window window_id; |
2413 | { | |
2414 | Lisp_Object tail, frame; | |
f451eb13 | 2415 | |
ab648270 JB |
2416 | for (tail = Vframe_list; |
2417 | XGCTYPE (tail) == Lisp_Cons; | |
2418 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2419 | { |
abdda982 | 2420 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2421 | |
abdda982 | 2422 | frame = XCONS (tail)->car; |
f451eb13 | 2423 | /* All elements of Vframe_list should be frames. */ |
0299d313 | 2424 | if (! GC_FRAMEP (frame)) |
f451eb13 JB |
2425 | abort (); |
2426 | ||
ab648270 | 2427 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2428 | right window ID. */ |
ab648270 JB |
2429 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2430 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2431 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2432 | condemned scroll bar lists with one loop. */ |
2433 | ! GC_NILP (bar) || (bar = condemned, | |
2434 | condemned = Qnil, | |
2435 | ! GC_NILP (bar)); | |
bc20ebbf | 2436 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2437 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2438 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2439 | } |
2440 | ||
2441 | return 0; | |
2442 | } | |
2443 | ||
ab648270 JB |
2444 | /* Open a new X window to serve as a scroll bar, and return the |
2445 | scroll bar vector for it. */ | |
2446 | static struct scroll_bar * | |
2447 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2448 | struct window *window; |
f451eb13 JB |
2449 | int top, left, width, height; |
2450 | { | |
334208b7 RS |
2451 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
2452 | struct scroll_bar *bar | |
2453 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2454 | |
2455 | BLOCK_INPUT; | |
2456 | ||
2457 | { | |
2458 | XSetWindowAttributes a; | |
2459 | unsigned long mask; | |
334208b7 | 2460 | a.background_pixel = f->display.x->background_pixel; |
12ba150f | 2461 | a.event_mask = (ButtonPressMask | ButtonReleaseMask |
9a572e2a | 2462 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2463 | | ExposureMask); |
7a13e894 | 2464 | a.cursor = FRAME_X_DISPLAY_INFO (f)->vertical_scroll_bar_cursor; |
f451eb13 | 2465 | |
dbc4e1c1 | 2466 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2467 | |
3afe33e7 RS |
2468 | #if 0 |
2469 | ||
2470 | ac = 0; | |
2471 | XtSetArg (al[ac], XtNx, left); ac++; | |
2472 | XtSetArg (al[ac], XtNy, top); ac++; | |
2473 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2474 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2475 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2476 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 | 2477 | boxWidgetClass, |
334208b7 | 2478 | f->display.x->edit_widget, al, ac); |
7246d1d3 | 2479 | SET_SCROLL_BAR_X_WINDOW |
3afe33e7 | 2480 | (bar, sb_widget->core.window); |
58769bee | 2481 | #endif |
7246d1d3 | 2482 | SET_SCROLL_BAR_X_WINDOW |
58769bee | 2483 | (bar, |
334208b7 | 2484 | XCreateWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f451eb13 | 2485 | |
ab648270 | 2486 | /* Position and size of scroll bar. */ |
12ba150f | 2487 | left, top, width, height, |
f451eb13 | 2488 | |
12ba150f JB |
2489 | /* Border width, depth, class, and visual. */ |
2490 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2491 | |
12ba150f JB |
2492 | /* Attributes. */ |
2493 | mask, &a)); | |
f451eb13 JB |
2494 | } |
2495 | ||
e0c1aef2 KH |
2496 | XSETWINDOW (bar->window, window); |
2497 | XSETINT (bar->top, top); | |
2498 | XSETINT (bar->left, left); | |
2499 | XSETINT (bar->width, width); | |
2500 | XSETINT (bar->height, height); | |
2501 | XSETINT (bar->start, 0); | |
2502 | XSETINT (bar->end, 0); | |
12ba150f | 2503 | bar->dragging = Qnil; |
f451eb13 JB |
2504 | |
2505 | /* Add bar to its frame's list of scroll bars. */ | |
334208b7 | 2506 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2507 | bar->prev = Qnil; |
334208b7 | 2508 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2509 | if (! NILP (bar->next)) |
e0c1aef2 | 2510 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
f451eb13 | 2511 | |
7f9c7f94 | 2512 | XMapRaised (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2513 | |
2514 | UNBLOCK_INPUT; | |
12ba150f JB |
2515 | |
2516 | return bar; | |
f451eb13 JB |
2517 | } |
2518 | ||
12ba150f JB |
2519 | /* Draw BAR's handle in the proper position. |
2520 | If the handle is already drawn from START to END, don't bother | |
2521 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2522 | redraw it. (REBUILD is handy for drawing the handle after expose | |
58769bee | 2523 | events.) |
12ba150f JB |
2524 | |
2525 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2526 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2527 | handle, we want to let them drag it down all the way, so that the |
2528 | bar's top is as far down as it goes; otherwise, there's no way to | |
2529 | move to the very end of the buffer. */ | |
f451eb13 | 2530 | static void |
ab648270 JB |
2531 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2532 | struct scroll_bar *bar; | |
f451eb13 | 2533 | int start, end; |
12ba150f | 2534 | int rebuild; |
f451eb13 | 2535 | { |
12ba150f | 2536 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2537 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 RS |
2538 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2539 | GC gc = f->display.x->normal_gc; | |
12ba150f JB |
2540 | |
2541 | /* If the display is already accurate, do nothing. */ | |
2542 | if (! rebuild | |
2543 | && start == XINT (bar->start) | |
2544 | && end == XINT (bar->end)) | |
2545 | return; | |
2546 | ||
f451eb13 JB |
2547 | BLOCK_INPUT; |
2548 | ||
2549 | { | |
ab648270 JB |
2550 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2551 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2552 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2553 | |
2554 | /* Make sure the values are reasonable, and try to preserve | |
2555 | the distance between start and end. */ | |
12ba150f JB |
2556 | { |
2557 | int length = end - start; | |
2558 | ||
2559 | if (start < 0) | |
2560 | start = 0; | |
2561 | else if (start > top_range) | |
2562 | start = top_range; | |
2563 | end = start + length; | |
2564 | ||
2565 | if (end < start) | |
2566 | end = start; | |
2567 | else if (end > top_range && ! dragging) | |
2568 | end = top_range; | |
2569 | } | |
f451eb13 | 2570 | |
ab648270 | 2571 | /* Store the adjusted setting in the scroll bar. */ |
e0c1aef2 KH |
2572 | XSETINT (bar->start, start); |
2573 | XSETINT (bar->end, end); | |
f451eb13 | 2574 | |
12ba150f JB |
2575 | /* Clip the end position, just for display. */ |
2576 | if (end > top_range) | |
2577 | end = top_range; | |
f451eb13 | 2578 | |
ab648270 | 2579 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2580 | below top positions, to make sure the handle is always at least |
2581 | that many pixels tall. */ | |
ab648270 | 2582 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2583 | |
12ba150f JB |
2584 | /* Draw the empty space above the handle. Note that we can't clear |
2585 | zero-height areas; that means "clear to end of window." */ | |
2586 | if (0 < start) | |
334208b7 | 2587 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2588 | |
12ba150f | 2589 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2590 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2591 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2592 | inside_width, start, |
2593 | False); | |
f451eb13 | 2594 | |
12ba150f | 2595 | /* Draw the handle itself. */ |
334208b7 | 2596 | XFillRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 | 2597 | |
12ba150f | 2598 | /* x, y, width, height */ |
ab648270 JB |
2599 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2600 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2601 | inside_width, end - start); |
f451eb13 | 2602 | |
f451eb13 | 2603 | |
12ba150f JB |
2604 | /* Draw the empty space below the handle. Note that we can't |
2605 | clear zero-height areas; that means "clear to end of window." */ | |
2606 | if (end < inside_height) | |
334208b7 | 2607 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2608 | |
12ba150f | 2609 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2610 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2611 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2612 | inside_width, inside_height - end, |
2613 | False); | |
f451eb13 | 2614 | |
f451eb13 JB |
2615 | } |
2616 | ||
f451eb13 JB |
2617 | UNBLOCK_INPUT; |
2618 | } | |
2619 | ||
eb8c3be9 | 2620 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2621 | window configurations. */ |
f451eb13 | 2622 | static void |
ab648270 JB |
2623 | x_scroll_bar_move (bar, top, left, width, height) |
2624 | struct scroll_bar *bar; | |
f451eb13 JB |
2625 | int top, left, width, height; |
2626 | { | |
334208b7 RS |
2627 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2628 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2629 | ||
f451eb13 JB |
2630 | BLOCK_INPUT; |
2631 | ||
2632 | { | |
2633 | XWindowChanges wc; | |
2634 | unsigned int mask = 0; | |
2635 | ||
2636 | wc.x = left; | |
2637 | wc.y = top; | |
2638 | wc.width = width; | |
2639 | wc.height = height; | |
2640 | ||
12ba150f JB |
2641 | if (left != XINT (bar->left)) mask |= CWX; |
2642 | if (top != XINT (bar->top)) mask |= CWY; | |
2643 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2644 | if (height != XINT (bar->height)) mask |= CWHeight; | |
58769bee | 2645 | |
12ba150f | 2646 | if (mask) |
334208b7 | 2647 | XConfigureWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2648 | mask, &wc); |
f451eb13 JB |
2649 | } |
2650 | ||
e0c1aef2 KH |
2651 | XSETINT (bar->left, left); |
2652 | XSETINT (bar->top, top); | |
2653 | XSETINT (bar->width, width); | |
2654 | XSETINT (bar->height, height); | |
12ba150f | 2655 | |
f451eb13 JB |
2656 | UNBLOCK_INPUT; |
2657 | } | |
2658 | ||
ab648270 | 2659 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2660 | to nil. */ |
2661 | static void | |
ab648270 JB |
2662 | x_scroll_bar_remove (bar) |
2663 | struct scroll_bar *bar; | |
12ba150f JB |
2664 | { |
2665 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2666 | ||
2667 | BLOCK_INPUT; | |
2668 | ||
2669 | /* Destroy the window. */ | |
334208b7 | 2670 | XDestroyWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2671 | |
ab648270 JB |
2672 | /* Disassociate this scroll bar from its window. */ |
2673 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2674 | |
2675 | UNBLOCK_INPUT; | |
2676 | } | |
2677 | ||
2678 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2679 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2680 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2681 | create one. */ |
2682 | static void | |
ab648270 | 2683 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2684 | struct window *window; |
2685 | int portion, whole, position; | |
2686 | { | |
2687 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2688 | int top = XINT (window->top); |
ab648270 JB |
2689 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2690 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2691 | |
ab648270 | 2692 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2693 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2694 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
b2cad826 KH |
2695 | int pixel_width |
2696 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
2697 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
2698 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->display.x->font))); | |
ab648270 | 2699 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); |
f451eb13 | 2700 | |
ab648270 | 2701 | struct scroll_bar *bar; |
12ba150f | 2702 | |
ab648270 JB |
2703 | /* Does the scroll bar exist yet? */ |
2704 | if (NILP (window->vertical_scroll_bar)) | |
2705 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2706 | pixel_top, pixel_left, |
2707 | pixel_width, pixel_height); | |
2708 | else | |
12ba150f JB |
2709 | { |
2710 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2711 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2712 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2713 | } |
f451eb13 | 2714 | |
ab648270 | 2715 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2716 | dragged. */ |
12ba150f | 2717 | if (NILP (bar->dragging)) |
f451eb13 | 2718 | { |
0299d313 | 2719 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2720 | |
12ba150f | 2721 | if (whole == 0) |
ab648270 | 2722 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2723 | else |
2724 | { | |
43f868f5 JB |
2725 | int start = ((double) position * top_range) / whole; |
2726 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2727 | |
ab648270 | 2728 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2729 | } |
f451eb13 JB |
2730 | } |
2731 | ||
e0c1aef2 | 2732 | XSETVECTOR (window->vertical_scroll_bar, bar); |
f451eb13 JB |
2733 | } |
2734 | ||
12ba150f | 2735 | |
f451eb13 | 2736 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2737 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2738 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2739 | away is a real pain - "Can you say set-window-configuration, boys |
2740 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2741 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2742 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2743 | |
ab648270 JB |
2744 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2745 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2746 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
58769bee | 2747 | static void |
ab648270 | 2748 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2749 | FRAME_PTR frame; |
2750 | { | |
12ba150f JB |
2751 | /* The condemned list should be empty at this point; if it's not, |
2752 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2753 | protocol correctly. */ | |
ab648270 | 2754 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2755 | abort (); |
2756 | ||
2757 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2758 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2759 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2760 | } |
2761 | ||
ab648270 | 2762 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2763 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2764 | static void |
ab648270 | 2765 | XTredeem_scroll_bar (window) |
12ba150f | 2766 | struct window *window; |
f451eb13 | 2767 | { |
ab648270 | 2768 | struct scroll_bar *bar; |
12ba150f | 2769 | |
ab648270 JB |
2770 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2771 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2772 | abort (); |
2773 | ||
ab648270 | 2774 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2775 | |
2776 | /* Unlink it from the condemned list. */ | |
2777 | { | |
2778 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2779 | ||
2780 | if (NILP (bar->prev)) | |
2781 | { | |
2782 | /* If the prev pointer is nil, it must be the first in one of | |
2783 | the lists. */ | |
ab648270 | 2784 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2785 | /* It's not condemned. Everything's fine. */ |
2786 | return; | |
ab648270 JB |
2787 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2788 | window->vertical_scroll_bar)) | |
2789 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2790 | else |
2791 | /* If its prev pointer is nil, it must be at the front of | |
2792 | one or the other! */ | |
2793 | abort (); | |
2794 | } | |
2795 | else | |
ab648270 | 2796 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2797 | |
2798 | if (! NILP (bar->next)) | |
ab648270 | 2799 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2800 | |
ab648270 | 2801 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2802 | bar->prev = Qnil; |
e0c1aef2 | 2803 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2804 | if (! NILP (bar->next)) |
e0c1aef2 | 2805 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
12ba150f | 2806 | } |
f451eb13 JB |
2807 | } |
2808 | ||
ab648270 JB |
2809 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2810 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2811 | static void |
ab648270 | 2812 | XTjudge_scroll_bars (f) |
12ba150f | 2813 | FRAME_PTR f; |
f451eb13 | 2814 | { |
12ba150f | 2815 | Lisp_Object bar, next; |
f451eb13 | 2816 | |
ab648270 | 2817 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2818 | |
2819 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2820 | more events on the hapless scroll bars. */ |
2821 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2822 | |
2823 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2824 | { |
ab648270 | 2825 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2826 | |
ab648270 | 2827 | x_scroll_bar_remove (b); |
12ba150f JB |
2828 | |
2829 | next = b->next; | |
2830 | b->next = b->prev = Qnil; | |
f451eb13 | 2831 | } |
12ba150f | 2832 | |
ab648270 | 2833 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2834 | and they should get garbage-collected. */ |
f451eb13 JB |
2835 | } |
2836 | ||
2837 | ||
ab648270 JB |
2838 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2839 | ||
2840 | This may be called from a signal handler, so we have to ignore GC | |
2841 | mark bits. */ | |
f451eb13 | 2842 | static void |
ab648270 JB |
2843 | x_scroll_bar_expose (bar, event) |
2844 | struct scroll_bar *bar; | |
f451eb13 JB |
2845 | XEvent *event; |
2846 | { | |
ab648270 | 2847 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 RS |
2848 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2849 | GC gc = f->display.x->normal_gc; | |
12ba150f | 2850 | |
f451eb13 JB |
2851 | BLOCK_INPUT; |
2852 | ||
ab648270 | 2853 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2854 | |
ab648270 | 2855 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
334208b7 | 2856 | XDrawRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 JB |
2857 | |
2858 | /* x, y, width, height */ | |
12ba150f | 2859 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2860 | |
f451eb13 JB |
2861 | UNBLOCK_INPUT; |
2862 | } | |
2863 | ||
ab648270 JB |
2864 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2865 | is set to something other than no_event, it is enqueued. | |
2866 | ||
2867 | This may be called from a signal handler, so we have to ignore GC | |
2868 | mark bits. */ | |
f451eb13 | 2869 | static void |
ab648270 JB |
2870 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2871 | struct scroll_bar *bar; | |
f451eb13 JB |
2872 | XEvent *event; |
2873 | struct input_event *emacs_event; | |
2874 | { | |
0299d313 | 2875 | if (! GC_WINDOWP (bar->window)) |
12ba150f JB |
2876 | abort (); |
2877 | ||
ab648270 | 2878 | emacs_event->kind = scroll_bar_click; |
69388238 | 2879 | emacs_event->code = event->xbutton.button - Button1; |
0299d313 RS |
2880 | emacs_event->modifiers |
2881 | = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO | |
2882 | (XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))), | |
2883 | event->xbutton.state) | |
2884 | | (event->type == ButtonRelease | |
2885 | ? up_modifier | |
2886 | : down_modifier)); | |
12ba150f | 2887 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2888 | emacs_event->timestamp = event->xbutton.time; |
12ba150f | 2889 | { |
0299d313 RS |
2890 | int internal_height |
2891 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2892 | int top_range | |
2893 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
ab648270 | 2894 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
2895 | |
2896 | if (y < 0) y = 0; | |
2897 | if (y > top_range) y = top_range; | |
2898 | ||
2899 | if (y < XINT (bar->start)) | |
ab648270 JB |
2900 | emacs_event->part = scroll_bar_above_handle; |
2901 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2902 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2903 | else |
ab648270 | 2904 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2905 | |
2906 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2907 | they want to drag it. Lisp code needs to be able to decide |
2908 | whether or not we're dragging. */ | |
929787e1 | 2909 | #if 0 |
12ba150f JB |
2910 | /* If the user has just clicked on the handle, record where they're |
2911 | holding it. */ | |
2912 | if (event->type == ButtonPress | |
ab648270 | 2913 | && emacs_event->part == scroll_bar_handle) |
e0c1aef2 | 2914 | XSETINT (bar->dragging, y - XINT (bar->start)); |
929787e1 | 2915 | #endif |
12ba150f JB |
2916 | |
2917 | /* If the user has released the handle, set it to its final position. */ | |
2918 | if (event->type == ButtonRelease | |
2919 | && ! NILP (bar->dragging)) | |
2920 | { | |
2921 | int new_start = y - XINT (bar->dragging); | |
2922 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2923 | |
ab648270 | 2924 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2925 | bar->dragging = Qnil; |
2926 | } | |
f451eb13 | 2927 | |
5116f055 JB |
2928 | /* Same deal here as the other #if 0. */ |
2929 | #if 0 | |
58769bee | 2930 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 2931 | the handle. */ |
ab648270 | 2932 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2933 | emacs_event->x = bar->start; |
2934 | else | |
e0c1aef2 | 2935 | XSETINT (emacs_event->x, y); |
5116f055 | 2936 | #else |
e0c1aef2 | 2937 | XSETINT (emacs_event->x, y); |
5116f055 | 2938 | #endif |
f451eb13 | 2939 | |
e0c1aef2 | 2940 | XSETINT (emacs_event->y, top_range); |
12ba150f JB |
2941 | } |
2942 | } | |
f451eb13 | 2943 | |
ab648270 JB |
2944 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2945 | ||
2946 | This may be called from a signal handler, so we have to ignore GC | |
2947 | mark bits. */ | |
f451eb13 | 2948 | static void |
ab648270 JB |
2949 | x_scroll_bar_note_movement (bar, event) |
2950 | struct scroll_bar *bar; | |
f451eb13 JB |
2951 | XEvent *event; |
2952 | { | |
2953 | last_mouse_movement_time = event->xmotion.time; | |
2954 | ||
2955 | mouse_moved = 1; | |
e0c1aef2 | 2956 | XSETVECTOR (last_mouse_scroll_bar, bar); |
f451eb13 JB |
2957 | |
2958 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2959 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2960 | { |
2961 | /* Where should the handle be now? */ | |
12ba150f | 2962 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2963 | |
12ba150f | 2964 | if (new_start != XINT (bar->start)) |
f451eb13 | 2965 | { |
12ba150f | 2966 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
58769bee | 2967 | |
ab648270 | 2968 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2969 | } |
2970 | } | |
2971 | ||
2972 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2973 | moves and we can see *still* on the same position. */ | |
2974 | { | |
2975 | int dummy; | |
847e150a | 2976 | Window dummy_window; |
58769bee | 2977 | |
f451eb13 | 2978 | XQueryPointer (event->xmotion.display, event->xmotion.window, |
847e150a | 2979 | &dummy_window, &dummy_window, |
f451eb13 JB |
2980 | &dummy, &dummy, &dummy, &dummy, |
2981 | (unsigned int *) &dummy); | |
2982 | } | |
2983 | } | |
2984 | ||
12ba150f | 2985 | /* Return information to the user about the current position of the mouse |
ab648270 | 2986 | on the scroll bar. */ |
12ba150f | 2987 | static void |
334208b7 RS |
2988 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
2989 | FRAME_PTR *fp; | |
12ba150f | 2990 | Lisp_Object *bar_window; |
ab648270 | 2991 | enum scroll_bar_part *part; |
12ba150f JB |
2992 | Lisp_Object *x, *y; |
2993 | unsigned long *time; | |
2994 | { | |
ab648270 | 2995 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
334208b7 RS |
2996 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2997 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
12ba150f | 2998 | int win_x, win_y; |
559cb2fb JB |
2999 | Window dummy_window; |
3000 | int dummy_coord; | |
3001 | unsigned int dummy_mask; | |
12ba150f | 3002 | |
cf7cb199 JB |
3003 | BLOCK_INPUT; |
3004 | ||
ab648270 | 3005 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 3006 | report that. */ |
334208b7 | 3007 | if (! XQueryPointer (FRAME_X_DISPLAY (f), w, |
12ba150f | 3008 | |
559cb2fb JB |
3009 | /* Root, child, root x and root y. */ |
3010 | &dummy_window, &dummy_window, | |
3011 | &dummy_coord, &dummy_coord, | |
12ba150f | 3012 | |
559cb2fb JB |
3013 | /* Position relative to scroll bar. */ |
3014 | &win_x, &win_y, | |
12ba150f | 3015 | |
559cb2fb JB |
3016 | /* Mouse buttons and modifier keys. */ |
3017 | &dummy_mask)) | |
7a13e894 | 3018 | ; |
559cb2fb JB |
3019 | else |
3020 | { | |
3021 | int inside_height | |
3022 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
3023 | int top_range | |
3024 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
3025 | ||
3026 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
3027 | ||
3028 | if (! NILP (bar->dragging)) | |
3029 | win_y -= XINT (bar->dragging); | |
3030 | ||
3031 | if (win_y < 0) | |
3032 | win_y = 0; | |
3033 | if (win_y > top_range) | |
3034 | win_y = top_range; | |
3035 | ||
334208b7 | 3036 | *fp = f; |
7a13e894 | 3037 | *bar_window = bar->window; |
559cb2fb JB |
3038 | |
3039 | if (! NILP (bar->dragging)) | |
3040 | *part = scroll_bar_handle; | |
3041 | else if (win_y < XINT (bar->start)) | |
3042 | *part = scroll_bar_above_handle; | |
3043 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3044 | *part = scroll_bar_handle; | |
3045 | else | |
3046 | *part = scroll_bar_below_handle; | |
12ba150f | 3047 | |
e0c1aef2 KH |
3048 | XSETINT (*x, win_y); |
3049 | XSETINT (*y, top_range); | |
12ba150f | 3050 | |
559cb2fb JB |
3051 | mouse_moved = 0; |
3052 | last_mouse_scroll_bar = Qnil; | |
3053 | } | |
12ba150f | 3054 | |
559cb2fb | 3055 | *time = last_mouse_movement_time; |
cf7cb199 | 3056 | |
cf7cb199 | 3057 | UNBLOCK_INPUT; |
12ba150f JB |
3058 | } |
3059 | ||
f451eb13 | 3060 | |
dbc4e1c1 | 3061 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
3062 | background colors, and the scroll bars may need to be redrawn. |
3063 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
3064 | redraw them. */ |
3065 | ||
ab648270 | 3066 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
3067 | FRAME_PTR f; |
3068 | { | |
3069 | Lisp_Object bar; | |
3070 | ||
9bc4522e | 3071 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); |
ab648270 | 3072 | bar = XSCROLL_BAR (bar)->next) |
334208b7 | 3073 | XClearArea (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), |
dbc4e1c1 JB |
3074 | 0, 0, 0, 0, True); |
3075 | } | |
3076 | ||
3afe33e7 | 3077 | /* This processes Expose events from the menubar specific X event |
19126e11 | 3078 | loop in xmenu.c. This allows to redisplay the frame if necessary |
3afe33e7 RS |
3079 | when handling menubar or popup items. */ |
3080 | ||
3081 | void | |
3082 | process_expose_from_menu (event) | |
3083 | XEvent event; | |
3084 | { | |
3085 | FRAME_PTR f; | |
19126e11 | 3086 | struct x_display_info *dpyinfo; |
3afe33e7 | 3087 | |
f94397b5 KH |
3088 | BLOCK_INPUT; |
3089 | ||
19126e11 KH |
3090 | dpyinfo = x_display_info_for_display (event.xexpose.display); |
3091 | f = x_window_to_frame (dpyinfo, event.xexpose.window); | |
3afe33e7 RS |
3092 | if (f) |
3093 | { | |
3094 | if (f->async_visible == 0) | |
3095 | { | |
3096 | f->async_visible = 1; | |
3097 | f->async_iconified = 0; | |
3098 | SET_FRAME_GARBAGED (f); | |
3099 | } | |
3100 | else | |
3101 | { | |
19126e11 | 3102 | dumprectangle (x_window_to_frame (dpyinfo, event.xexpose.window), |
3afe33e7 RS |
3103 | event.xexpose.x, event.xexpose.y, |
3104 | event.xexpose.width, event.xexpose.height); | |
3105 | } | |
3106 | } | |
3107 | else | |
3108 | { | |
3109 | struct scroll_bar *bar | |
3110 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3111 | |
3afe33e7 RS |
3112 | if (bar) |
3113 | x_scroll_bar_expose (bar, &event); | |
3114 | } | |
f94397b5 KH |
3115 | |
3116 | UNBLOCK_INPUT; | |
3afe33e7 | 3117 | } |
09756a85 RS |
3118 | \f |
3119 | /* Define a queue to save up SelectionRequest events for later handling. */ | |
3120 | ||
3121 | struct selection_event_queue | |
3122 | { | |
3123 | XEvent event; | |
3124 | struct selection_event_queue *next; | |
3125 | }; | |
3126 | ||
3127 | static struct selection_event_queue *queue; | |
3128 | ||
3129 | /* Nonzero means queue up certain events--don't process them yet. */ | |
3130 | static int x_queue_selection_requests; | |
3131 | ||
3132 | /* Queue up an X event *EVENT, to be processed later. */ | |
dbc4e1c1 | 3133 | |
09756a85 | 3134 | static void |
334208b7 RS |
3135 | x_queue_event (f, event) |
3136 | FRAME_PTR f; | |
09756a85 RS |
3137 | XEvent *event; |
3138 | { | |
3139 | struct selection_event_queue *queue_tmp | |
3140 | = (struct selection_event_queue *) malloc (sizeof (struct selection_event_queue)); | |
3141 | ||
58769bee | 3142 | if (queue_tmp != NULL) |
09756a85 RS |
3143 | { |
3144 | queue_tmp->event = *event; | |
3145 | queue_tmp->next = queue; | |
3146 | queue = queue_tmp; | |
3147 | } | |
3148 | } | |
3149 | ||
3150 | /* Take all the queued events and put them back | |
3151 | so that they get processed afresh. */ | |
3152 | ||
3153 | static void | |
db3906fd RS |
3154 | x_unqueue_events (display) |
3155 | Display *display; | |
09756a85 | 3156 | { |
58769bee | 3157 | while (queue != NULL) |
09756a85 RS |
3158 | { |
3159 | struct selection_event_queue *queue_tmp = queue; | |
db3906fd | 3160 | XPutBackEvent (display, &queue_tmp->event); |
09756a85 RS |
3161 | queue = queue_tmp->next; |
3162 | free ((char *)queue_tmp); | |
3163 | } | |
3164 | } | |
3165 | ||
3166 | /* Start queuing SelectionRequest events. */ | |
3167 | ||
3168 | void | |
db3906fd RS |
3169 | x_start_queuing_selection_requests (display) |
3170 | Display *display; | |
09756a85 RS |
3171 | { |
3172 | x_queue_selection_requests++; | |
3173 | } | |
3174 | ||
3175 | /* Stop queuing SelectionRequest events. */ | |
3176 | ||
3177 | void | |
db3906fd RS |
3178 | x_stop_queuing_selection_requests (display) |
3179 | Display *display; | |
09756a85 RS |
3180 | { |
3181 | x_queue_selection_requests--; | |
db3906fd | 3182 | x_unqueue_events (display); |
09756a85 | 3183 | } |
f451eb13 JB |
3184 | \f |
3185 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3186 | |
dc6f92b8 JB |
3187 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3188 | but we have to put it out here, since static variables within functions | |
3189 | sometimes don't work. */ | |
3190 | static Time enter_timestamp; | |
3191 | ||
11edeb03 | 3192 | /* This holds the state XLookupString needs to implement dead keys |
58769bee | 3193 | and other tricks known as "compose processing". _X Window System_ |
11edeb03 JB |
3194 | says that a portable program can't use this, but Stephen Gildea assures |
3195 | me that letting the compiler initialize it to zeros will work okay. | |
3196 | ||
3197 | This must be defined outside of XTread_socket, for the same reasons | |
3198 | given for enter_timestamp, above. */ | |
3199 | static XComposeStatus compose_status; | |
3200 | ||
10e6549c RS |
3201 | /* Record the last 100 characters stored |
3202 | to help debug the loss-of-chars-during-GC problem. */ | |
3203 | int temp_index; | |
3204 | short temp_buffer[100]; | |
3205 | ||
7a13e894 RS |
3206 | /* Set this to nonzero to fake an "X I/O error" |
3207 | on a particular display. */ | |
3208 | struct x_display_info *XTread_socket_fake_io_error; | |
3209 | ||
dc6f92b8 JB |
3210 | /* Read events coming from the X server. |
3211 | This routine is called by the SIGIO handler. | |
3212 | We return as soon as there are no more events to be read. | |
3213 | ||
3214 | Events representing keys are stored in buffer BUFP, | |
3215 | which can hold up to NUMCHARS characters. | |
3216 | We return the number of characters stored into the buffer, | |
3217 | thus pretending to be `read'. | |
3218 | ||
3219 | WAITP is nonzero if we should block until input arrives. | |
3220 | EXPECTED is nonzero if the caller knows input is available. */ | |
3221 | ||
7c5283e4 | 3222 | int |
dc6f92b8 JB |
3223 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3224 | register int sd; | |
3225 | register struct input_event *bufp; | |
3226 | register int numchars; | |
3227 | int waitp; | |
3228 | int expected; | |
3229 | { | |
3230 | int count = 0; | |
3231 | int nbytes = 0; | |
3232 | int mask; | |
3233 | int items_pending; /* How many items are in the X queue. */ | |
3234 | XEvent event; | |
f676886a | 3235 | struct frame *f; |
66f55a9d | 3236 | int event_found = 0; |
dc6f92b8 JB |
3237 | int prefix; |
3238 | Lisp_Object part; | |
334208b7 | 3239 | struct x_display_info *dpyinfo; |
dc6f92b8 | 3240 | |
9ac0d9e0 | 3241 | if (interrupt_input_blocked) |
dc6f92b8 | 3242 | { |
9ac0d9e0 | 3243 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3244 | return -1; |
3245 | } | |
3246 | ||
9ac0d9e0 | 3247 | interrupt_input_pending = 0; |
dc6f92b8 | 3248 | BLOCK_INPUT; |
c0a04927 RS |
3249 | |
3250 | /* So people can tell when we have read the available input. */ | |
3251 | input_signal_count++; | |
3252 | ||
dc6f92b8 JB |
3253 | if (numchars <= 0) |
3254 | abort (); /* Don't think this happens. */ | |
3255 | ||
7a13e894 RS |
3256 | /* Find the display we are supposed to read input for. |
3257 | It's the one communicating on descriptor SD. */ | |
3258 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
3259 | { | |
3260 | #if 0 /* This ought to be unnecessary; let's verify it. */ | |
dc6f92b8 | 3261 | #ifdef FIOSNBIO |
7a13e894 RS |
3262 | /* If available, Xlib uses FIOSNBIO to make the socket |
3263 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3264 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3265 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
3266 | fcntl (dpyinfo->connection, F_SETFL, 0); | |
c118dd06 | 3267 | #endif /* ! defined (FIOSNBIO) */ |
7a13e894 | 3268 | #endif |
dc6f92b8 | 3269 | |
7a13e894 RS |
3270 | #if 0 /* This code can't be made to work, with multiple displays, |
3271 | and appears not to be used on any system any more. | |
3272 | Also keyboard.c doesn't turn O_NDELAY on and off | |
3273 | for X connections. */ | |
dc6f92b8 JB |
3274 | #ifndef SIGIO |
3275 | #ifndef HAVE_SELECT | |
7a13e894 RS |
3276 | if (! (fcntl (dpyinfo->connection, F_GETFL, 0) & O_NDELAY)) |
3277 | { | |
3278 | extern int read_alarm_should_throw; | |
3279 | read_alarm_should_throw = 1; | |
3280 | XPeekEvent (dpyinfo->display, &event); | |
3281 | read_alarm_should_throw = 0; | |
3282 | } | |
c118dd06 JB |
3283 | #endif /* HAVE_SELECT */ |
3284 | #endif /* SIGIO */ | |
7a13e894 | 3285 | #endif |
dc6f92b8 | 3286 | |
7a13e894 RS |
3287 | /* For debugging, this gives a way to fake an I/O error. */ |
3288 | if (dpyinfo == XTread_socket_fake_io_error) | |
3289 | { | |
3290 | XTread_socket_fake_io_error = 0; | |
3291 | x_io_error_quitter (dpyinfo->display); | |
3292 | } | |
dc6f92b8 | 3293 | |
7a13e894 | 3294 | while (XPending (dpyinfo->display) != 0) |
dc6f92b8 | 3295 | { |
7a13e894 RS |
3296 | XNextEvent (dpyinfo->display, &event); |
3297 | event_found = 1; | |
3298 | ||
3299 | switch (event.type) | |
3300 | { | |
3301 | case ClientMessage: | |
c047688c | 3302 | { |
7a13e894 RS |
3303 | if (event.xclient.message_type |
3304 | == dpyinfo->Xatom_wm_protocols | |
3305 | && event.xclient.format == 32) | |
c047688c | 3306 | { |
7a13e894 RS |
3307 | if (event.xclient.data.l[0] |
3308 | == dpyinfo->Xatom_wm_take_focus) | |
c047688c | 3309 | { |
19126e11 | 3310 | f = x_window_to_frame (dpyinfo, event.xclient.window); |
7a13e894 RS |
3311 | /* Since we set WM_TAKE_FOCUS, we must call |
3312 | XSetInputFocus explicitly. But not if f is null, | |
3313 | since that might be an event for a deleted frame. */ | |
3314 | if (f) | |
3315 | XSetInputFocus (event.xclient.display, | |
3316 | event.xclient.window, | |
3317 | RevertToPointerRoot, | |
3318 | event.xclient.data.l[1]); | |
3319 | /* Not certain about handling scroll bars here */ | |
c047688c | 3320 | } |
7a13e894 RS |
3321 | else if (event.xclient.data.l[0] |
3322 | == dpyinfo->Xatom_wm_save_yourself) | |
3323 | { | |
3324 | /* Save state modify the WM_COMMAND property to | |
3325 | something which can reinstate us. This notifies | |
3326 | the session manager, who's looking for such a | |
3327 | PropertyNotify. Can restart processing when | |
3328 | a keyboard or mouse event arrives. */ | |
3329 | if (numchars > 0) | |
3330 | { | |
19126e11 KH |
3331 | f = x_top_window_to_frame (dpyinfo, |
3332 | event.xclient.window); | |
7a13e894 RS |
3333 | |
3334 | /* This is just so we only give real data once | |
3335 | for a single Emacs process. */ | |
3336 | if (f == selected_frame) | |
3337 | XSetCommand (FRAME_X_DISPLAY (f), | |
3338 | event.xclient.window, | |
3339 | initial_argv, initial_argc); | |
3340 | else | |
3341 | XSetCommand (FRAME_X_DISPLAY (f), | |
3342 | event.xclient.window, | |
3343 | 0, 0); | |
3344 | } | |
3345 | } | |
3346 | else if (event.xclient.data.l[0] | |
3347 | == dpyinfo->Xatom_wm_delete_window) | |
1fb20991 | 3348 | { |
19126e11 KH |
3349 | struct frame *f |
3350 | = x_any_window_to_frame (dpyinfo, | |
3351 | event.xclient.window); | |
1fb20991 | 3352 | |
7a13e894 RS |
3353 | if (f) |
3354 | { | |
3355 | if (numchars == 0) | |
3356 | abort (); | |
1fb20991 | 3357 | |
7a13e894 RS |
3358 | bufp->kind = delete_window_event; |
3359 | XSETFRAME (bufp->frame_or_window, f); | |
3360 | bufp++; | |
3361 | ||
3362 | count += 1; | |
3363 | numchars -= 1; | |
3364 | } | |
1fb20991 | 3365 | } |
c047688c | 3366 | } |
7a13e894 RS |
3367 | else if (event.xclient.message_type |
3368 | == dpyinfo->Xatom_wm_configure_denied) | |
3369 | { | |
3370 | } | |
3371 | else if (event.xclient.message_type | |
3372 | == dpyinfo->Xatom_wm_window_moved) | |
3373 | { | |
3374 | int new_x, new_y; | |
19126e11 KH |
3375 | struct frame *f |
3376 | = x_window_to_frame (dpyinfo, event.xclient.window); | |
58769bee | 3377 | |
7a13e894 RS |
3378 | new_x = event.xclient.data.s[0]; |
3379 | new_y = event.xclient.data.s[1]; | |
1fb20991 | 3380 | |
7a13e894 RS |
3381 | if (f) |
3382 | { | |
3383 | f->display.x->left_pos = new_x; | |
3384 | f->display.x->top_pos = new_y; | |
3385 | } | |
1fb20991 | 3386 | } |
5627c40e | 3387 | #if defined (USE_X_TOOLKIT) && defined (HAVE_X11R5) |
7a13e894 RS |
3388 | else if (event.xclient.message_type |
3389 | == dpyinfo->Xatom_editres) | |
3390 | { | |
19126e11 KH |
3391 | struct frame *f |
3392 | = x_any_window_to_frame (dpyinfo, event.xclient.window); | |
3393 | _XEditResCheckMessages (f->display.x->widget, NULL, | |
3394 | &event, NULL); | |
7a13e894 | 3395 | } |
5627c40e | 3396 | #endif /* USE_X_TOOLKIT and HAVE_X11R5 */ |
7a13e894 RS |
3397 | } |
3398 | break; | |
dc6f92b8 | 3399 | |
7a13e894 | 3400 | case SelectionNotify: |
3afe33e7 | 3401 | #ifdef USE_X_TOOLKIT |
19126e11 | 3402 | if (! x_window_to_frame (dpyinfo, event.xselection.requestor)) |
7a13e894 | 3403 | goto OTHER; |
3afe33e7 | 3404 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3405 | x_handle_selection_notify (&event); |
3406 | break; | |
d56a553a | 3407 | |
7a13e894 | 3408 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3409 | #ifdef USE_X_TOOLKIT |
19126e11 | 3410 | if (! x_window_to_frame (dpyinfo, event.xselectionclear.window)) |
7a13e894 | 3411 | goto OTHER; |
3afe33e7 | 3412 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3413 | { |
3414 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
d56a553a | 3415 | |
7a13e894 RS |
3416 | if (numchars == 0) |
3417 | abort (); | |
d56a553a | 3418 | |
7a13e894 RS |
3419 | bufp->kind = selection_clear_event; |
3420 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3421 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3422 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3423 | bufp++; | |
d56a553a | 3424 | |
7a13e894 RS |
3425 | count += 1; |
3426 | numchars -= 1; | |
3427 | } | |
3428 | break; | |
dc6f92b8 | 3429 | |
7a13e894 | 3430 | case SelectionRequest: /* Someone wants our selection. */ |
3afe33e7 | 3431 | #ifdef USE_X_TOOLKIT |
19126e11 | 3432 | if (!x_window_to_frame (dpyinfo, event.xselectionrequest.owner)) |
7a13e894 | 3433 | goto OTHER; |
3afe33e7 | 3434 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3435 | if (x_queue_selection_requests) |
19126e11 | 3436 | x_queue_event (x_window_to_frame (dpyinfo, event.xselectionrequest.owner), |
7a13e894 RS |
3437 | &event); |
3438 | else | |
3439 | { | |
3440 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
dc6f92b8 | 3441 | |
7a13e894 RS |
3442 | if (numchars == 0) |
3443 | abort (); | |
3444 | ||
3445 | bufp->kind = selection_request_event; | |
3446 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3447 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3448 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3449 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3450 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3451 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3452 | bufp++; | |
3453 | ||
3454 | count += 1; | |
3455 | numchars -= 1; | |
3456 | } | |
3457 | break; | |
3458 | ||
3459 | case PropertyNotify: | |
3afe33e7 | 3460 | #ifdef USE_X_TOOLKIT |
19126e11 | 3461 | if (!x_any_window_to_frame (dpyinfo, event.xproperty.window)) |
7a13e894 | 3462 | goto OTHER; |
3afe33e7 | 3463 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3464 | x_handle_property_notify (&event); |
3465 | break; | |
dc6f92b8 | 3466 | |
7a13e894 | 3467 | case ReparentNotify: |
19126e11 | 3468 | f = x_top_window_to_frame (dpyinfo, event.xreparent.window); |
7a13e894 RS |
3469 | if (f) |
3470 | { | |
3471 | int x, y; | |
3472 | f->display.x->parent_desc = event.xreparent.parent; | |
3473 | x_real_positions (f, &x, &y); | |
3474 | f->display.x->left_pos = x; | |
3475 | f->display.x->top_pos = y; | |
3476 | } | |
3477 | break; | |
3bd330d4 | 3478 | |
7a13e894 | 3479 | case Expose: |
19126e11 | 3480 | f = x_window_to_frame (dpyinfo, event.xexpose.window); |
7a13e894 | 3481 | if (f) |
dc6f92b8 | 3482 | { |
7a13e894 RS |
3483 | if (f->async_visible == 0) |
3484 | { | |
3485 | f->async_visible = 1; | |
3486 | f->async_iconified = 0; | |
3487 | SET_FRAME_GARBAGED (f); | |
3488 | } | |
3489 | else | |
19126e11 KH |
3490 | dumprectangle (x_window_to_frame (dpyinfo, |
3491 | event.xexpose.window), | |
7a13e894 RS |
3492 | event.xexpose.x, event.xexpose.y, |
3493 | event.xexpose.width, event.xexpose.height); | |
dc6f92b8 JB |
3494 | } |
3495 | else | |
7a13e894 RS |
3496 | { |
3497 | struct scroll_bar *bar | |
3498 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3499 | |
7a13e894 RS |
3500 | if (bar) |
3501 | x_scroll_bar_expose (bar, &event); | |
3afe33e7 | 3502 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3503 | else |
3504 | goto OTHER; | |
3afe33e7 | 3505 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3506 | } |
3507 | break; | |
dc6f92b8 | 3508 | |
7a13e894 RS |
3509 | case GraphicsExpose: /* This occurs when an XCopyArea's |
3510 | source area was obscured or not | |
3511 | available.*/ | |
19126e11 | 3512 | f = x_window_to_frame (dpyinfo, event.xgraphicsexpose.drawable); |
7a13e894 RS |
3513 | if (f) |
3514 | { | |
3515 | dumprectangle (f, | |
3516 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3517 | event.xgraphicsexpose.width, | |
3518 | event.xgraphicsexpose.height); | |
3519 | } | |
3afe33e7 | 3520 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3521 | else |
3522 | goto OTHER; | |
3afe33e7 | 3523 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3524 | break; |
dc6f92b8 | 3525 | |
7a13e894 RS |
3526 | case NoExpose: /* This occurs when an XCopyArea's |
3527 | source area was completely | |
3528 | available */ | |
3529 | break; | |
dc6f92b8 | 3530 | |
7a13e894 | 3531 | case UnmapNotify: |
19126e11 | 3532 | f = x_any_window_to_frame (dpyinfo, event.xunmap.window); |
7a13e894 RS |
3533 | if (f) /* F may no longer exist if |
3534 | the frame was deleted. */ | |
3535 | { | |
3536 | /* While a frame is unmapped, display generation is | |
3537 | disabled; you don't want to spend time updating a | |
3538 | display that won't ever be seen. */ | |
3539 | f->async_visible = 0; | |
3540 | /* We can't distinguish, from the event, whether the window | |
3541 | has become iconified or invisible. So assume, if it | |
3542 | was previously visible, than now it is iconified. | |
3543 | We depend on x_make_frame_invisible to mark it iconified. */ | |
3544 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) | |
3545 | f->async_iconified = 1; | |
bddd097c KH |
3546 | |
3547 | bufp->kind = iconify_event; | |
3548 | XSETFRAME (bufp->frame_or_window, f); | |
3549 | bufp++; | |
3550 | count++; | |
3551 | numchars--; | |
7a13e894 | 3552 | } |
3afe33e7 | 3553 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3554 | goto OTHER; |
3afe33e7 | 3555 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3556 | break; |
dc6f92b8 | 3557 | |
7a13e894 RS |
3558 | case MapNotify: |
3559 | /* We use x_top_window_to_frame because map events can come | |
3560 | for subwindows and they don't mean that the frame is visible. */ | |
19126e11 | 3561 | f = x_top_window_to_frame (dpyinfo, event.xmap.window); |
7a13e894 RS |
3562 | if (f) |
3563 | { | |
3564 | f->async_visible = 1; | |
3565 | f->async_iconified = 0; | |
dc6f92b8 | 3566 | |
7a13e894 RS |
3567 | /* wait_reading_process_input will notice this and update |
3568 | the frame's display structures. */ | |
3569 | SET_FRAME_GARBAGED (f); | |
bddd097c | 3570 | |
d806e720 RS |
3571 | if (f->iconified) |
3572 | { | |
3573 | bufp->kind = deiconify_event; | |
3574 | XSETFRAME (bufp->frame_or_window, f); | |
3575 | bufp++; | |
3576 | count++; | |
3577 | numchars--; | |
3578 | } | |
78aa2ba5 KH |
3579 | else |
3580 | /* Force a redisplay sooner or later | |
3581 | to update the frame titles | |
3582 | in case this is the second frame. */ | |
3583 | record_asynch_buffer_change (); | |
7a13e894 | 3584 | } |
3afe33e7 | 3585 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3586 | goto OTHER; |
3afe33e7 | 3587 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3588 | break; |
dc6f92b8 | 3589 | |
7a13e894 RS |
3590 | /* Turn off processing if we become fully obscured. */ |
3591 | case VisibilityNotify: | |
3592 | break; | |
dc6f92b8 | 3593 | |
7a13e894 | 3594 | case KeyPress: |
19126e11 | 3595 | f = x_any_window_to_frame (dpyinfo, event.xkey.window); |
f451eb13 | 3596 | |
7a13e894 RS |
3597 | if (f != 0) |
3598 | { | |
3599 | KeySym keysym, orig_keysym; | |
3600 | /* al%imercury@uunet.uu.net says that making this 81 instead of | |
3601 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3602 | unsigned char copy_buffer[81]; | |
3603 | int modifiers; | |
64bb1782 | 3604 | |
7a13e894 RS |
3605 | event.xkey.state |
3606 | |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3607 | extra_keyboard_modifiers); | |
3608 | modifiers = event.xkey.state; | |
3a2712f9 | 3609 | |
7a13e894 | 3610 | /* This will have to go some day... */ |
752a043f | 3611 | |
7a13e894 RS |
3612 | /* make_lispy_event turns chars into control chars. |
3613 | Don't do it here because XLookupString is too eager. */ | |
3614 | event.xkey.state &= ~ControlMask; | |
0299d313 RS |
3615 | nbytes = XLookupString (&event.xkey, copy_buffer, |
3616 | 80, &keysym, &compose_status); | |
dc6f92b8 | 3617 | |
7a13e894 | 3618 | orig_keysym = keysym; |
55123275 | 3619 | |
7a13e894 RS |
3620 | if (numchars > 1) |
3621 | { | |
3622 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) | |
3623 | || keysym == XK_Delete | |
3624 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3625 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3626 | #ifdef HPUX |
7a13e894 RS |
3627 | /* This recognizes the "extended function keys". |
3628 | It seems there's no cleaner way. | |
3629 | Test IsModifierKey to avoid handling mode_switch | |
3630 | incorrectly. */ | |
3631 | || ((unsigned) (keysym) >= XK_Select | |
3632 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3633 | #endif |
3634 | #ifdef XK_dead_circumflex | |
7a13e894 | 3635 | || orig_keysym == XK_dead_circumflex |
69388238 RS |
3636 | #endif |
3637 | #ifdef XK_dead_grave | |
7a13e894 | 3638 | || orig_keysym == XK_dead_grave |
69388238 RS |
3639 | #endif |
3640 | #ifdef XK_dead_tilde | |
7a13e894 | 3641 | || orig_keysym == XK_dead_tilde |
69388238 RS |
3642 | #endif |
3643 | #ifdef XK_dead_diaeresis | |
7a13e894 | 3644 | || orig_keysym == XK_dead_diaeresis |
69388238 RS |
3645 | #endif |
3646 | #ifdef XK_dead_macron | |
7a13e894 | 3647 | || orig_keysym == XK_dead_macron |
69388238 RS |
3648 | #endif |
3649 | #ifdef XK_dead_degree | |
7a13e894 | 3650 | || orig_keysym == XK_dead_degree |
69388238 RS |
3651 | #endif |
3652 | #ifdef XK_dead_acute | |
7a13e894 | 3653 | || orig_keysym == XK_dead_acute |
69388238 RS |
3654 | #endif |
3655 | #ifdef XK_dead_cedilla | |
7a13e894 | 3656 | || orig_keysym == XK_dead_cedilla |
69388238 RS |
3657 | #endif |
3658 | #ifdef XK_dead_breve | |
7a13e894 | 3659 | || orig_keysym == XK_dead_breve |
69388238 RS |
3660 | #endif |
3661 | #ifdef XK_dead_ogonek | |
7a13e894 | 3662 | || orig_keysym == XK_dead_ogonek |
69388238 RS |
3663 | #endif |
3664 | #ifdef XK_dead_caron | |
7a13e894 | 3665 | || orig_keysym == XK_dead_caron |
69388238 RS |
3666 | #endif |
3667 | #ifdef XK_dead_doubleacute | |
7a13e894 | 3668 | || orig_keysym == XK_dead_doubleacute |
69388238 RS |
3669 | #endif |
3670 | #ifdef XK_dead_abovedot | |
7a13e894 | 3671 | || orig_keysym == XK_dead_abovedot |
c34790e0 | 3672 | #endif |
7a13e894 RS |
3673 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3674 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
3675 | /* Any "vendor-specific" key is ok. */ | |
3676 | || (orig_keysym & (1 << 28))) | |
3677 | && ! (IsModifierKey (orig_keysym) | |
7719aa06 RS |
3678 | #ifndef HAVE_X11R5 |
3679 | #ifdef XK_Mode_switch | |
7a13e894 | 3680 | || ((unsigned)(orig_keysym) == XK_Mode_switch) |
7719aa06 RS |
3681 | #endif |
3682 | #ifdef XK_Num_Lock | |
7a13e894 | 3683 | || ((unsigned)(orig_keysym) == XK_Num_Lock) |
7719aa06 RS |
3684 | #endif |
3685 | #endif /* not HAVE_X11R5 */ | |
7a13e894 | 3686 | )) |
dc6f92b8 | 3687 | { |
10e6549c RS |
3688 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3689 | temp_index = 0; | |
7a13e894 RS |
3690 | temp_buffer[temp_index++] = keysym; |
3691 | bufp->kind = non_ascii_keystroke; | |
3692 | bufp->code = keysym; | |
e0c1aef2 | 3693 | XSETFRAME (bufp->frame_or_window, f); |
334208b7 RS |
3694 | bufp->modifiers |
3695 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3696 | modifiers); | |
1113d9db | 3697 | bufp->timestamp = event.xkey.time; |
dc6f92b8 | 3698 | bufp++; |
7a13e894 RS |
3699 | count++; |
3700 | numchars--; | |
dc6f92b8 | 3701 | } |
7a13e894 RS |
3702 | else if (numchars > nbytes) |
3703 | { | |
3704 | register int i; | |
3705 | ||
3706 | for (i = 0; i < nbytes; i++) | |
3707 | { | |
3708 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
3709 | temp_index = 0; | |
3710 | temp_buffer[temp_index++] = copy_buffer[i]; | |
3711 | bufp->kind = ascii_keystroke; | |
3712 | bufp->code = copy_buffer[i]; | |
3713 | XSETFRAME (bufp->frame_or_window, f); | |
3714 | bufp->modifiers | |
3715 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3716 | modifiers); | |
3717 | bufp->timestamp = event.xkey.time; | |
3718 | bufp++; | |
3719 | } | |
3720 | ||
3721 | count += nbytes; | |
3722 | numchars -= nbytes; | |
3723 | } | |
3724 | else | |
3725 | abort (); | |
dc6f92b8 | 3726 | } |
10e6549c RS |
3727 | else |
3728 | abort (); | |
dc6f92b8 | 3729 | } |
7a13e894 | 3730 | break; |
f451eb13 | 3731 | |
7a13e894 RS |
3732 | /* Here's a possible interpretation of the whole |
3733 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3734 | FocusIn event, you have to get a FocusOut event before you | |
3735 | relinquish the focus. If you haven't received a FocusIn event, | |
3736 | then a mere LeaveNotify is enough to free you. */ | |
f451eb13 | 3737 | |
7a13e894 | 3738 | case EnterNotify: |
19126e11 | 3739 | f = x_any_window_to_frame (dpyinfo, event.xcrossing.window); |
6d4238f3 | 3740 | |
7a13e894 | 3741 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3742 | { |
7a13e894 RS |
3743 | /* Avoid nasty pop/raise loops. */ |
3744 | if (f && (!(f->auto_raise) | |
3745 | || !(f->auto_lower) | |
3746 | || (event.xcrossing.time - enter_timestamp) > 500)) | |
3747 | { | |
0f941935 | 3748 | x_new_focus_frame (dpyinfo, f); |
7a13e894 RS |
3749 | enter_timestamp = event.xcrossing.time; |
3750 | } | |
dc6f92b8 | 3751 | } |
0f941935 KH |
3752 | else if (f == dpyinfo->x_focus_frame) |
3753 | x_new_focus_frame (dpyinfo, 0); | |
7a13e894 RS |
3754 | /* EnterNotify counts as mouse movement, |
3755 | so update things that depend on mouse position. */ | |
3756 | if (f) | |
3757 | note_mouse_movement (f, &event.xmotion); | |
3afe33e7 | 3758 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3759 | goto OTHER; |
3afe33e7 | 3760 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3761 | break; |
dc6f92b8 | 3762 | |
7a13e894 | 3763 | case FocusIn: |
19126e11 | 3764 | f = x_any_window_to_frame (dpyinfo, event.xfocus.window); |
7a13e894 | 3765 | if (event.xfocus.detail != NotifyPointer) |
0f941935 | 3766 | dpyinfo->x_focus_event_frame = f; |
7a13e894 | 3767 | if (f) |
0f941935 | 3768 | x_new_focus_frame (dpyinfo, f); |
3afe33e7 | 3769 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3770 | goto OTHER; |
3afe33e7 | 3771 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3772 | break; |
f451eb13 | 3773 | |
10c5e63d | 3774 | |
7a13e894 | 3775 | case LeaveNotify: |
19126e11 | 3776 | f = x_top_window_to_frame (dpyinfo, event.xcrossing.window); |
7a13e894 | 3777 | if (f) |
10c5e63d | 3778 | { |
7a13e894 RS |
3779 | if (f == dpyinfo->mouse_face_mouse_frame) |
3780 | /* If we move outside the frame, | |
3781 | then we're certainly no longer on any text in the frame. */ | |
3782 | clear_mouse_face (dpyinfo); | |
3783 | ||
3784 | if (event.xcrossing.focus) | |
0f941935 | 3785 | x_mouse_leave (dpyinfo); |
10c5e63d | 3786 | else |
7a13e894 | 3787 | { |
0f941935 KH |
3788 | if (f == dpyinfo->x_focus_event_frame) |
3789 | dpyinfo->x_focus_event_frame = 0; | |
3790 | if (f == dpyinfo->x_focus_frame) | |
3791 | x_new_focus_frame (dpyinfo, 0); | |
7a13e894 | 3792 | } |
10c5e63d | 3793 | } |
3afe33e7 | 3794 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3795 | goto OTHER; |
3afe33e7 | 3796 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3797 | break; |
dc6f92b8 | 3798 | |
7a13e894 | 3799 | case FocusOut: |
19126e11 | 3800 | f = x_any_window_to_frame (dpyinfo, event.xfocus.window); |
7a13e894 | 3801 | if (event.xfocus.detail != NotifyPointer |
0f941935 KH |
3802 | && f == dpyinfo->x_focus_event_frame) |
3803 | dpyinfo->x_focus_event_frame = 0; | |
3804 | if (f && f == dpyinfo->x_focus_frame) | |
3805 | x_new_focus_frame (dpyinfo, 0); | |
3afe33e7 | 3806 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3807 | goto OTHER; |
3afe33e7 | 3808 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3809 | break; |
dc6f92b8 | 3810 | |
7a13e894 | 3811 | case MotionNotify: |
dc6f92b8 | 3812 | { |
7a13e894 RS |
3813 | if (dpyinfo->grabbed && last_mouse_frame |
3814 | && FRAME_LIVE_P (last_mouse_frame)) | |
3815 | f = last_mouse_frame; | |
3816 | else | |
19126e11 | 3817 | f = x_window_to_frame (dpyinfo, event.xmotion.window); |
7a13e894 RS |
3818 | if (f) |
3819 | note_mouse_movement (f, &event.xmotion); | |
3820 | else | |
3821 | { | |
3822 | struct scroll_bar *bar | |
3823 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 | 3824 | |
7a13e894 RS |
3825 | if (bar) |
3826 | x_scroll_bar_note_movement (bar, &event); | |
b8009dd1 | 3827 | |
7a13e894 RS |
3828 | /* If we move outside the frame, |
3829 | then we're certainly no longer on any text in the frame. */ | |
3830 | clear_mouse_face (dpyinfo); | |
3831 | } | |
dc6f92b8 | 3832 | } |
3afe33e7 | 3833 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3834 | goto OTHER; |
3afe33e7 | 3835 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3836 | break; |
dc6f92b8 | 3837 | |
7a13e894 | 3838 | case ConfigureNotify: |
19126e11 | 3839 | f = x_any_window_to_frame (dpyinfo, event.xconfigure.window); |
7a13e894 | 3840 | if (f |
2d7fc7e8 RS |
3841 | #ifdef USE_X_TOOLKIT |
3842 | && (event.xconfigure.window == XtWindow (f->display.x->widget)) | |
3a35ab44 | 3843 | #endif |
2d7fc7e8 | 3844 | ) |
af395ec1 | 3845 | { |
2d7fc7e8 RS |
3846 | #ifndef USE_X_TOOLKIT |
3847 | /* In the toolkit version, change_frame_size | |
3848 | is called by the code that handles resizing | |
3849 | of the EmacsFrame widget. */ | |
7a13e894 | 3850 | |
7a13e894 RS |
3851 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); |
3852 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3853 | ||
3854 | /* Even if the number of character rows and columns has | |
3855 | not changed, the font size may have changed, so we need | |
3856 | to check the pixel dimensions as well. */ | |
3857 | if (columns != f->width | |
3858 | || rows != f->height | |
3859 | || event.xconfigure.width != f->display.x->pixel_width | |
3860 | || event.xconfigure.height != f->display.x->pixel_height) | |
3861 | { | |
3862 | change_frame_size (f, rows, columns, 0, 1); | |
3863 | SET_FRAME_GARBAGED (f); | |
3864 | } | |
2d7fc7e8 | 3865 | #endif |
af395ec1 | 3866 | |
2d7fc7e8 RS |
3867 | /* Formerly, in the USE_X_TOOLKIT version, |
3868 | we did not test send_event here. */ | |
3869 | if (1 | |
3870 | #ifndef USE_X_TOOLKIT | |
3871 | && ! event.xconfigure.send_event | |
3872 | #endif | |
3873 | ) | |
7a13e894 RS |
3874 | { |
3875 | Window win, child; | |
3876 | int win_x, win_y; | |
3877 | ||
3878 | /* Find the position of the outside upper-left corner of | |
3879 | the window, in the root coordinate system. Don't | |
3880 | refer to the parent window here; we may be processing | |
3881 | this event after the window manager has changed our | |
3882 | parent, but before we have reached the ReparentNotify. */ | |
3883 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
3884 | ||
3885 | /* From-window, to-window. */ | |
2d7fc7e8 | 3886 | event.xconfigure.window, |
7a13e894 RS |
3887 | FRAME_X_DISPLAY_INFO (f)->root_window, |
3888 | ||
3889 | /* From-position, to-position. */ | |
3890 | -event.xconfigure.border_width, | |
3891 | -event.xconfigure.border_width, | |
3892 | &win_x, &win_y, | |
3893 | ||
3894 | /* Child of win. */ | |
3895 | &child); | |
3896 | event.xconfigure.x = win_x; | |
3897 | event.xconfigure.y = win_y; | |
3898 | } | |
3a35ab44 | 3899 | |
7a13e894 RS |
3900 | f->display.x->pixel_width = event.xconfigure.width; |
3901 | f->display.x->pixel_height = event.xconfigure.height; | |
3902 | f->display.x->left_pos = event.xconfigure.x; | |
3903 | f->display.x->top_pos = event.xconfigure.y; | |
3904 | ||
3905 | /* What we have now is the position of Emacs's own window. | |
3906 | Convert that to the position of the window manager window. */ | |
fd13dbb2 | 3907 | { |
7a13e894 RS |
3908 | int x, y; |
3909 | x_real_positions (f, &x, &y); | |
3910 | f->display.x->left_pos = x; | |
3911 | f->display.x->top_pos = y; | |
2d7fc7e8 RS |
3912 | /* Formerly we did not do this in the USE_X_TOOLKIT |
3913 | version. Let's try making them the same. */ | |
3914 | /* #ifndef USE_X_TOOLKIT */ | |
7a13e894 RS |
3915 | if (y != event.xconfigure.y) |
3916 | { | |
3917 | /* Since the WM decorations come below top_pos now, | |
3918 | we must put them below top_pos in the future. */ | |
3919 | f->display.x->win_gravity = NorthWestGravity; | |
c32cdd9a | 3920 | x_wm_set_size_hint (f, (long) 0, 0); |
7a13e894 | 3921 | } |
2d7fc7e8 | 3922 | /* #endif */ |
fd13dbb2 | 3923 | } |
7a13e894 | 3924 | } |
2d7fc7e8 RS |
3925 | #ifdef USE_X_TOOLKIT |
3926 | goto OTHER; | |
3927 | #else | |
7a13e894 | 3928 | break; |
2d7fc7e8 | 3929 | #endif |
dc6f92b8 | 3930 | |
7a13e894 RS |
3931 | case ButtonPress: |
3932 | case ButtonRelease: | |
3933 | { | |
3934 | /* If we decide we want to generate an event to be seen | |
3935 | by the rest of Emacs, we put it here. */ | |
3936 | struct input_event emacs_event; | |
3937 | emacs_event.kind = no_event; | |
dc6f92b8 | 3938 | |
7a13e894 | 3939 | bzero (&compose_status, sizeof (compose_status)); |
9b07615b | 3940 | |
9f67f20b RS |
3941 | if (dpyinfo->grabbed && last_mouse_frame |
3942 | && FRAME_LIVE_P (last_mouse_frame)) | |
3943 | f = last_mouse_frame; | |
3944 | else | |
19126e11 | 3945 | f = x_window_to_frame (dpyinfo, event.xmotion.window); |
9f67f20b | 3946 | |
7a13e894 RS |
3947 | if (f) |
3948 | { | |
0f941935 | 3949 | if (!dpyinfo->x_focus_frame || f == dpyinfo->x_focus_frame) |
7a13e894 RS |
3950 | construct_mouse_click (&emacs_event, &event, f); |
3951 | } | |
3952 | else | |
3953 | { | |
3954 | struct scroll_bar *bar | |
3955 | = x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 | 3956 | |
7a13e894 RS |
3957 | if (bar) |
3958 | x_scroll_bar_handle_click (bar, &event, &emacs_event); | |
7c21100a KH |
3959 | #if 0 /* It doesn't make sense to do this. |
3960 | Menu bar clicks are handled within the toolkit itself. */ | |
3afe33e7 | 3961 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3962 | else |
3963 | { | |
3964 | /* Assume we have a menubar button press. A bad | |
3965 | assumption should behave benignly. */ | |
796e4697 | 3966 | popup_get_selection (&event, dpyinfo); |
7a13e894 RS |
3967 | break; |
3968 | } | |
3969 | #endif /* USE_X_TOOLKIT */ | |
7c21100a | 3970 | #endif |
7a13e894 RS |
3971 | } |
3972 | ||
3973 | if (event.type == ButtonPress) | |
3974 | { | |
3975 | dpyinfo->grabbed |= (1 << event.xbutton.button); | |
3976 | last_mouse_frame = f; | |
3977 | } | |
3afe33e7 RS |
3978 | else |
3979 | { | |
7a13e894 | 3980 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); |
3afe33e7 | 3981 | } |
23faf38f | 3982 | |
7a13e894 RS |
3983 | if (numchars >= 1 && emacs_event.kind != no_event) |
3984 | { | |
3985 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3986 | bufp++; | |
3987 | count++; | |
3988 | numchars--; | |
3989 | } | |
3afe33e7 RS |
3990 | |
3991 | #ifdef USE_X_TOOLKIT | |
7a13e894 | 3992 | goto OTHER; |
3afe33e7 | 3993 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3994 | } |
3995 | break; | |
dc6f92b8 | 3996 | |
7a13e894 RS |
3997 | case CirculateNotify: |
3998 | break; | |
3999 | case CirculateRequest: | |
4000 | break; | |
dc6f92b8 | 4001 | |
7a13e894 RS |
4002 | case MappingNotify: |
4003 | /* Someone has changed the keyboard mapping - update the | |
4004 | local cache. */ | |
4005 | switch (event.xmapping.request) | |
4006 | { | |
4007 | case MappingModifier: | |
4008 | x_find_modifier_meanings (dpyinfo); | |
4009 | /* This is meant to fall through. */ | |
4010 | case MappingKeyboard: | |
4011 | XRefreshKeyboardMapping (&event.xmapping); | |
4012 | } | |
3afe33e7 | 4013 | #ifdef USE_X_TOOLKIT |
7a13e894 | 4014 | goto OTHER; |
3afe33e7 | 4015 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 4016 | break; |
dc6f92b8 | 4017 | |
7a13e894 | 4018 | default: |
3afe33e7 | 4019 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
4020 | OTHER: |
4021 | BLOCK_INPUT; | |
4022 | XtDispatchEvent (&event); | |
4023 | UNBLOCK_INPUT; | |
3afe33e7 | 4024 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
4025 | break; |
4026 | } | |
dc6f92b8 JB |
4027 | } |
4028 | } | |
4029 | ||
9a5196d0 RS |
4030 | /* On some systems, an X bug causes Emacs to get no more events |
4031 | when the window is destroyed. Detect that. (1994.) */ | |
58769bee | 4032 | if (! event_found) |
ef2a22d0 | 4033 | { |
ef2a22d0 RS |
4034 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. |
4035 | One XNOOP in 100 loops will make Emacs terminate. | |
4036 | B. Bretthauer, 1994 */ | |
4037 | x_noop_count++; | |
58769bee | 4038 | if (x_noop_count >= 100) |
ef2a22d0 RS |
4039 | { |
4040 | x_noop_count=0; | |
7a13e894 RS |
4041 | /* Use the first display in the list. Why not? */ |
4042 | XNoOp (x_display_list->display); | |
ef2a22d0 RS |
4043 | } |
4044 | } | |
502add23 | 4045 | |
0134a210 RS |
4046 | /* If the focus was just given to an autoraising frame, |
4047 | raise it now. */ | |
7a13e894 | 4048 | /* ??? This ought to be able to handle more than one such frame. */ |
0134a210 RS |
4049 | if (pending_autoraise_frame) |
4050 | { | |
4051 | x_raise_frame (pending_autoraise_frame); | |
4052 | pending_autoraise_frame = 0; | |
4053 | } | |
0134a210 | 4054 | |
dc6f92b8 JB |
4055 | UNBLOCK_INPUT; |
4056 | return count; | |
4057 | } | |
dc6f92b8 | 4058 | \f |
f451eb13 JB |
4059 | /* Drawing the cursor. */ |
4060 | ||
4061 | ||
dc6f92b8 JB |
4062 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
4063 | ||
4064 | static void | |
f676886a JB |
4065 | x_draw_box (f) |
4066 | struct frame *f; | |
dc6f92b8 | 4067 | { |
2a6cf806 RS |
4068 | int left = CHAR_TO_PIXEL_COL (f, curs_x); |
4069 | int top = CHAR_TO_PIXEL_ROW (f, curs_y); | |
f676886a | 4070 | int width = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 4071 | int height = f->display.x->line_height; |
dc6f92b8 | 4072 | |
334208b7 | 4073 | XDrawRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4074 | f->display.x->cursor_gc, |
dc6f92b8 | 4075 | left, top, width - 1, height - 1); |
dc6f92b8 JB |
4076 | } |
4077 | ||
f676886a | 4078 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4079 | and mark the cursor as not shown. |
4080 | This is used when the text where the cursor is | |
4081 | is about to be rewritten. */ | |
4082 | ||
4083 | static void | |
f676886a JB |
4084 | clear_cursor (f) |
4085 | struct frame *f; | |
dc6f92b8 JB |
4086 | { |
4087 | int mask; | |
4088 | ||
f451eb13 | 4089 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4090 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4091 | return; |
4092 | ||
f676886a | 4093 | x_display_cursor (f, 0); |
f676886a | 4094 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4095 | } |
4096 | ||
f676886a | 4097 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4098 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4099 | glyph drawn. */ | |
dc6f92b8 JB |
4100 | |
4101 | static void | |
f676886a JB |
4102 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4103 | struct frame *f; | |
dc6f92b8 | 4104 | int row, column; |
90e65f07 | 4105 | GLYPH glyph; |
dc6f92b8 JB |
4106 | int highlight; |
4107 | { | |
f676886a | 4108 | dumpglyphs (f, |
12ba150f JB |
4109 | CHAR_TO_PIXEL_COL (f, column), |
4110 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4111 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4112 | } |
4113 | ||
dc6f92b8 | 4114 | static void |
dbc4e1c1 | 4115 | x_display_bar_cursor (f, on) |
f676886a | 4116 | struct frame *f; |
dc6f92b8 JB |
4117 | int on; |
4118 | { | |
f676886a | 4119 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4120 | |
49d838ea JB |
4121 | /* This is pointless on invisible frames, and dangerous on garbaged |
4122 | frames; in the latter case, the frame may be in the midst of | |
4123 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4124 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
4125 | return; |
4126 | ||
4127 | if (! on && f->phys_cursor_x < 0) | |
4128 | return; | |
4129 | ||
f676886a | 4130 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 4131 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 4132 | if (f != updating_frame) |
1113d9db | 4133 | { |
f676886a JB |
4134 | curs_x = FRAME_CURSOR_X (f); |
4135 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
4136 | } |
4137 | ||
dbc4e1c1 JB |
4138 | /* If there is anything wrong with the current cursor state, remove it. */ |
4139 | if (f->phys_cursor_x >= 0 | |
4140 | && (!on | |
4141 | || f->phys_cursor_x != curs_x | |
4142 | || f->phys_cursor_y != curs_y | |
4143 | || f->display.x->current_cursor != bar_cursor)) | |
4144 | { | |
4145 | /* Erase the cursor by redrawing the character underneath it. */ | |
4146 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4147 | f->phys_cursor_glyph, | |
4148 | current_glyphs->highlight[f->phys_cursor_y]); | |
4149 | f->phys_cursor_x = -1; | |
4150 | } | |
4151 | ||
4152 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4153 | if (on | |
4154 | && (f->phys_cursor_x < 0 | |
4155 | || (f->display.x->current_cursor != bar_cursor))) | |
4156 | { | |
4157 | f->phys_cursor_glyph | |
4158 | = ((current_glyphs->enable[curs_y] | |
4159 | && curs_x < current_glyphs->used[curs_y]) | |
4160 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4161 | : SPACEGLYPH); | |
334208b7 | 4162 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
4163 | f->display.x->cursor_gc, |
4164 | CHAR_TO_PIXEL_COL (f, curs_x), | |
4165 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
92e2441b RS |
4166 | max (f->display.x->cursor_width, 1), |
4167 | f->display.x->line_height); | |
dbc4e1c1 JB |
4168 | |
4169 | f->phys_cursor_x = curs_x; | |
4170 | f->phys_cursor_y = curs_y; | |
4171 | ||
4172 | f->display.x->current_cursor = bar_cursor; | |
4173 | } | |
4174 | ||
4175 | if (updating_frame != f) | |
334208b7 | 4176 | XFlush (FRAME_X_DISPLAY (f)); |
dbc4e1c1 JB |
4177 | } |
4178 | ||
4179 | ||
4180 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4181 | If ON is nonzero, where to put the cursor is specified | |
4182 | by F->cursor_x and F->cursor_y. */ | |
4183 | ||
4184 | static void | |
4185 | x_display_box_cursor (f, on) | |
4186 | struct frame *f; | |
4187 | int on; | |
4188 | { | |
4189 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4190 | ||
49d838ea JB |
4191 | /* This is pointless on invisible frames, and dangerous on garbaged |
4192 | frames; in the latter case, the frame may be in the midst of | |
4193 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4194 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
4195 | return; |
4196 | ||
4197 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4198 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4199 | return; |
4200 | ||
dbc4e1c1 JB |
4201 | /* If we're not updating, then we want to use the current frame's |
4202 | cursor position, not our local idea of where the cursor ought to be. */ | |
4203 | if (f != updating_frame) | |
4204 | { | |
4205 | curs_x = FRAME_CURSOR_X (f); | |
4206 | curs_y = FRAME_CURSOR_Y (f); | |
4207 | } | |
4208 | ||
dc6f92b8 JB |
4209 | /* If cursor is currently being shown and we don't want it to be |
4210 | or it is in the wrong place, | |
4211 | or we want a hollow box and it's not so, (pout!) | |
4212 | erase it. */ | |
f676886a | 4213 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4214 | && (!on |
f676886a JB |
4215 | || f->phys_cursor_x != curs_x |
4216 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 4217 | || (f->display.x->current_cursor != hollow_box_cursor |
0f941935 | 4218 | && (f != FRAME_X_DISPLAY_INFO (f)->x_highlight_frame)))) |
dc6f92b8 | 4219 | { |
79cf7456 | 4220 | int mouse_face_here = 0; |
9f67f20b | 4221 | struct frame_glyphs *active_glyphs = FRAME_CURRENT_GLYPHS (f); |
79cf7456 RS |
4222 | |
4223 | /* If the cursor is in the mouse face area, redisplay that when | |
4224 | we clear the cursor. */ | |
7a13e894 | 4225 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame |
79cf7456 | 4226 | && |
7a13e894 RS |
4227 | (f->phys_cursor_y > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
4228 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
4229 | && f->phys_cursor_x >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col)) | |
79cf7456 | 4230 | && |
7a13e894 RS |
4231 | (f->phys_cursor_y < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row |
4232 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
9f67f20b RS |
4233 | && f->phys_cursor_x < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col)) |
4234 | /* Don't redraw the cursor's spot in mouse face | |
4235 | if it is at the end of a line (on a newline). | |
4236 | The cursor appears there, but mouse highlighting does not. */ | |
4237 | && active_glyphs->used[f->phys_cursor_y] > f->phys_cursor_x) | |
79cf7456 RS |
4238 | mouse_face_here = 1; |
4239 | ||
0cdd0c9f RS |
4240 | /* If the font is not as tall as a whole line, |
4241 | we must explicitly clear the line's whole height. */ | |
4242 | if (FONT_HEIGHT (f->display.x->font) != f->display.x->line_height) | |
334208b7 | 4243 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
4244 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4245 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
4246 | FONT_WIDTH (f->display.x->font), | |
4247 | f->display.x->line_height, False); | |
dc6f92b8 | 4248 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4249 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4250 | f->phys_cursor_glyph, | |
79cf7456 RS |
4251 | (mouse_face_here |
4252 | ? 3 | |
4253 | : current_glyphs->highlight[f->phys_cursor_y])); | |
f676886a | 4254 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4255 | } |
4256 | ||
4257 | /* If we want to show a cursor, | |
4258 | or we want a box cursor and it's not so, | |
4259 | write it in the right place. */ | |
4260 | if (on | |
f676886a | 4261 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 4262 | || (f->display.x->current_cursor != filled_box_cursor |
0f941935 | 4263 | && f == FRAME_X_DISPLAY_INFO (f)->x_highlight_frame))) |
dc6f92b8 | 4264 | { |
f676886a | 4265 | f->phys_cursor_glyph |
1113d9db JB |
4266 | = ((current_glyphs->enable[curs_y] |
4267 | && curs_x < current_glyphs->used[curs_y]) | |
4268 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 4269 | : SPACEGLYPH); |
0f941935 | 4270 | if (f != FRAME_X_DISPLAY_INFO (f)->x_highlight_frame) |
dc6f92b8 | 4271 | { |
f676886a | 4272 | x_draw_box (f); |
dbc4e1c1 | 4273 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4274 | } |
4275 | else | |
4276 | { | |
f676886a JB |
4277 | x_draw_single_glyph (f, curs_y, curs_x, |
4278 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 4279 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4280 | } |
4281 | ||
f676886a JB |
4282 | f->phys_cursor_x = curs_x; |
4283 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
4284 | } |
4285 | ||
f676886a | 4286 | if (updating_frame != f) |
334208b7 | 4287 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4288 | } |
4289 | ||
f676886a JB |
4290 | x_display_cursor (f, on) |
4291 | struct frame *f; | |
dc6f92b8 JB |
4292 | int on; |
4293 | { | |
f94397b5 KH |
4294 | BLOCK_INPUT; |
4295 | ||
dbc4e1c1 | 4296 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 4297 | x_display_box_cursor (f, on); |
dbc4e1c1 | 4298 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 4299 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
4300 | else |
4301 | /* Those are the only two we have implemented! */ | |
4302 | abort (); | |
f94397b5 KH |
4303 | |
4304 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4305 | } |
4306 | \f | |
4307 | /* Icons. */ | |
4308 | ||
f676886a | 4309 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4310 | when we get an expose event for it. */ |
4311 | ||
f676886a JB |
4312 | refreshicon (f) |
4313 | struct frame *f; | |
dc6f92b8 | 4314 | { |
dc6f92b8 | 4315 | /* Normally, the window manager handles this function. */ |
dc6f92b8 JB |
4316 | } |
4317 | ||
dbc4e1c1 | 4318 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4319 | |
4320 | int | |
990ba854 | 4321 | x_bitmap_icon (f, file) |
f676886a | 4322 | struct frame *f; |
990ba854 | 4323 | Lisp_Object file; |
dc6f92b8 | 4324 | { |
7f2ae036 | 4325 | int mask, bitmap_id; |
dc6f92b8 JB |
4326 | Window icon_window; |
4327 | ||
c118dd06 | 4328 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4329 | return 1; |
4330 | ||
990ba854 RS |
4331 | /* Free up our existing icon bitmap if any. */ |
4332 | if (f->display.x->icon_bitmap > 0) | |
4333 | x_destroy_bitmap (f, f->display.x->icon_bitmap); | |
4334 | f->display.x->icon_bitmap = 0; | |
4335 | ||
4336 | if (STRINGP (file)) | |
7f2ae036 RS |
4337 | bitmap_id = x_create_bitmap_from_file (f, file); |
4338 | else | |
4339 | { | |
990ba854 | 4340 | /* Create the GNU bitmap if necessary. */ |
5bf01b68 | 4341 | if (FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id < 0) |
334208b7 RS |
4342 | FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id |
4343 | = x_create_bitmap_from_data (f, gnu_bits, | |
4344 | gnu_width, gnu_height); | |
990ba854 RS |
4345 | |
4346 | /* The first time we create the GNU bitmap, | |
4347 | this increments the refcount one extra time. | |
4348 | As a result, the GNU bitmap is never freed. | |
4349 | That way, we don't have to worry about allocating it again. */ | |
334208b7 | 4350 | x_reference_bitmap (f, FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id); |
990ba854 | 4351 | |
334208b7 | 4352 | bitmap_id = FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id; |
7f2ae036 RS |
4353 | } |
4354 | ||
4355 | x_wm_set_icon_pixmap (f, bitmap_id); | |
4356 | f->display.x->icon_bitmap = bitmap_id; | |
dc6f92b8 JB |
4357 | |
4358 | return 0; | |
4359 | } | |
4360 | ||
4361 | ||
1be2d067 KH |
4362 | /* Make the x-window of frame F use a rectangle with text. |
4363 | Use ICON_NAME as the text. */ | |
dc6f92b8 JB |
4364 | |
4365 | int | |
f676886a JB |
4366 | x_text_icon (f, icon_name) |
4367 | struct frame *f; | |
dc6f92b8 JB |
4368 | char *icon_name; |
4369 | { | |
c118dd06 | 4370 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4371 | return 1; |
4372 | ||
1be2d067 KH |
4373 | #ifdef HAVE_X11R4 |
4374 | { | |
4375 | XTextProperty text; | |
4376 | text.value = (unsigned char *) icon_name; | |
4377 | text.encoding = XA_STRING; | |
4378 | text.format = 8; | |
4379 | text.nitems = strlen (icon_name); | |
4380 | #ifdef USE_X_TOOLKIT | |
4381 | XSetWMIconName (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget), | |
4382 | &text); | |
4383 | #else /* not USE_X_TOOLKIT */ | |
4384 | XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &text); | |
4385 | #endif /* not USE_X_TOOLKIT */ | |
4386 | } | |
4387 | #else /* not HAVE_X11R4 */ | |
4388 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), icon_name); | |
4389 | #endif /* not HAVE_X11R4 */ | |
58769bee | 4390 | |
990ba854 RS |
4391 | if (f->display.x->icon_bitmap > 0) |
4392 | x_destroy_bitmap (f, f->display.x->icon_bitmap); | |
7f2ae036 | 4393 | f->display.x->icon_bitmap = 0; |
b1c884c3 | 4394 | x_wm_set_icon_pixmap (f, 0); |
dc6f92b8 JB |
4395 | |
4396 | return 0; | |
4397 | } | |
4398 | \f | |
4746118a JB |
4399 | /* Handling X errors. */ |
4400 | ||
7a13e894 | 4401 | /* Handle the loss of connection to display DISPLAY. */ |
16bd92ea | 4402 | |
4746118a | 4403 | static SIGTYPE |
7a13e894 RS |
4404 | x_connection_closed (display, error_message) |
4405 | Display *display; | |
4406 | char *error_message; | |
4746118a | 4407 | { |
7a13e894 RS |
4408 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
4409 | Lisp_Object frame, tail; | |
4410 | ||
07a7096a KH |
4411 | /* Whatever we were in the middle of, we are going to throw out of it, |
4412 | so reassure various things that have error checks about being | |
4413 | called with input blocked. */ | |
4414 | TOTALLY_UNBLOCK_INPUT; | |
4415 | ||
4746118a JB |
4416 | if (_Xdebug) |
4417 | abort (); | |
12ba150f | 4418 | |
7a13e894 RS |
4419 | /* First delete frames whose minibuffers are on frames |
4420 | that are on the dead display. */ | |
4421 | FOR_EACH_FRAME (tail, frame) | |
4422 | { | |
4423 | Lisp_Object minibuf_frame; | |
4424 | minibuf_frame | |
4425 | = WINDOW_FRAME (XWINDOW (FRAME_MINIBUF_WINDOW (XFRAME (frame)))); | |
f48f33ca RS |
4426 | if (FRAME_X_P (XFRAME (frame)) |
4427 | && FRAME_X_P (XFRAME (minibuf_frame)) | |
4428 | && ! EQ (frame, minibuf_frame) | |
4429 | && FRAME_X_DISPLAY_INFO (XFRAME (minibuf_frame)) == dpyinfo) | |
7a13e894 RS |
4430 | Fdelete_frame (frame, Qt); |
4431 | } | |
4432 | ||
4433 | /* Now delete all remaining frames on the dead display. | |
4434 | We are now sure none of these is used as the minibuffer | |
4435 | for another frame that we need to delete. */ | |
4436 | FOR_EACH_FRAME (tail, frame) | |
f48f33ca RS |
4437 | if (FRAME_X_P (XFRAME (frame)) |
4438 | && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
07a7096a KH |
4439 | { |
4440 | /* Set this to t so that Fdelete_frame won't get confused | |
4441 | trying to find a replacement. */ | |
4442 | FRAME_KBOARD (XFRAME (frame))->Vdefault_minibuffer_frame = Qt; | |
4443 | Fdelete_frame (frame, Qt); | |
4444 | } | |
7a13e894 RS |
4445 | |
4446 | x_delete_display (dpyinfo); | |
4447 | ||
4448 | if (x_display_list == 0) | |
4449 | { | |
4450 | fprintf (stderr, "%s", error_message); | |
4451 | shut_down_emacs (0, 0, Qnil); | |
4452 | exit (70); | |
4453 | } | |
12ba150f | 4454 | |
7a13e894 RS |
4455 | /* Ordinary stack unwind doesn't deal with these. */ |
4456 | #ifdef SIGIO | |
4457 | sigunblock (sigmask (SIGIO)); | |
4458 | #endif | |
4459 | sigunblock (sigmask (SIGALRM)); | |
4460 | TOTALLY_UNBLOCK_INPUT; | |
4461 | ||
4462 | error ("%s", error_message); | |
4746118a JB |
4463 | } |
4464 | ||
92e2441b RS |
4465 | static SIGTYPE |
4466 | x_connection_signal (signalnum) /* If we don't have an argument, */ | |
4467 | int signalnum; /* some compilers complain in signal calls. */ | |
4468 | { | |
4469 | /* We really ought to close the connection to the display | |
4470 | that actually failed. | |
4471 | But do we actually get this signal ever with X11? */ | |
4472 | fprintf (stderr, "X connection closed"); | |
4473 | shut_down_emacs (0, 0, Qnil); | |
4474 | exit (70); | |
4475 | } | |
4476 | ||
7a13e894 RS |
4477 | /* This is the usual handler for X protocol errors. |
4478 | It kills all frames on the display that we got the error for. | |
4479 | If that was the only one, it prints an error message and kills Emacs. */ | |
4480 | ||
c118dd06 JB |
4481 | static int |
4482 | x_error_quitter (display, error) | |
4483 | Display *display; | |
4484 | XErrorEvent *error; | |
4485 | { | |
7a13e894 | 4486 | char buf[256], buf1[356]; |
dc6f92b8 | 4487 | |
58769bee | 4488 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 4489 | original error handler. */ |
dc6f92b8 | 4490 | |
c118dd06 | 4491 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
7a13e894 | 4492 | sprintf (buf1, "X protocol error: %s on protocol request %d", |
c118dd06 | 4493 | buf, error->request_code); |
7a13e894 | 4494 | x_connection_closed (display, buf1); |
dc6f92b8 JB |
4495 | } |
4496 | ||
7a13e894 RS |
4497 | /* This is the handler for X IO errors, always. |
4498 | It kills all frames on the display that we lost touch with. | |
4499 | If that was the only one, it prints an error message and kills Emacs. */ | |
4500 | ||
8922af5f JB |
4501 | static int |
4502 | x_io_error_quitter (display) | |
4503 | Display *display; | |
4504 | { | |
7a13e894 | 4505 | char buf[256]; |
8922af5f | 4506 | |
7a13e894 RS |
4507 | sprintf (buf, "Connection lost to X server `%s'", DisplayString (display)); |
4508 | x_connection_closed (display, buf); | |
8922af5f | 4509 | } |
7a13e894 | 4510 | \f |
c118dd06 | 4511 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4512 | static char *x_caught_error_message; |
4513 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4514 | |
4515 | /* An X error handler which stores the error message in | |
4516 | x_caught_error_message. This is what's installed when | |
4517 | x_catch_errors is in effect. */ | |
7a13e894 | 4518 | |
c118dd06 JB |
4519 | static int |
4520 | x_error_catcher (display, error) | |
4521 | Display *display; | |
4522 | XErrorEvent *error; | |
4523 | { | |
4524 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4525 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4526 | } |
4527 | ||
4528 | ||
7a13e894 RS |
4529 | /* Begin trapping X errors for display DPY. Actually we trap X errors |
4530 | for all displays, but DPY should be the display you are actually | |
4531 | operating on. | |
dc6f92b8 | 4532 | |
c118dd06 JB |
4533 | After calling this function, X protocol errors no longer cause |
4534 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4535 | |
c118dd06 JB |
4536 | Calling x_check_errors signals an Emacs error if an X error has |
4537 | occurred since the last call to x_catch_errors or x_check_errors. | |
4538 | ||
4539 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4540 | ||
bc20ebbf | 4541 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4542 | |
4543 | void | |
7a13e894 RS |
4544 | x_catch_errors (dpy) |
4545 | Display *dpy; | |
dc6f92b8 | 4546 | { |
c118dd06 | 4547 | /* Make sure any errors from previous requests have been dealt with. */ |
7a13e894 | 4548 | XSync (dpy, False); |
dc6f92b8 | 4549 | |
c118dd06 | 4550 | /* Set up the error buffer. */ |
60f9aad3 | 4551 | x_caught_error_message |
cef13e55 RS |
4552 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4553 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4554 | |
c118dd06 | 4555 | /* Install our little error handler. */ |
334208b7 | 4556 | XSetErrorHandler (x_error_catcher); |
c118dd06 | 4557 | } |
16bd92ea | 4558 | |
c118dd06 JB |
4559 | /* If any X protocol errors have arrived since the last call to |
4560 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4561 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4562 | |
c118dd06 | 4563 | void |
7a13e894 RS |
4564 | x_check_errors (dpy, format) |
4565 | Display *dpy; | |
c118dd06 JB |
4566 | char *format; |
4567 | { | |
4568 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4569 | XSync (dpy, False); |
16bd92ea | 4570 | |
cef13e55 | 4571 | if (x_caught_error_message[0]) |
c118dd06 | 4572 | { |
cef13e55 | 4573 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4574 | |
cef13e55 | 4575 | sprintf (buf, format, x_caught_error_message); |
7a13e894 | 4576 | x_uncatch_errors (dpy); |
c118dd06 JB |
4577 | error (buf); |
4578 | } | |
4579 | } | |
4580 | ||
b849c413 RS |
4581 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4582 | ||
4583 | int | |
7a13e894 RS |
4584 | x_had_errors_p (dpy) |
4585 | Display *dpy; | |
b849c413 RS |
4586 | { |
4587 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4588 | XSync (dpy, False); |
b849c413 RS |
4589 | |
4590 | return x_caught_error_message[0] != 0; | |
4591 | } | |
4592 | ||
812361a1 RS |
4593 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4594 | ||
c118dd06 | 4595 | void |
7a13e894 RS |
4596 | x_uncatch_errors (dpy) |
4597 | Display *dpy; | |
c118dd06 | 4598 | { |
9ac0d9e0 | 4599 | xfree (x_caught_error_message); |
cef13e55 | 4600 | x_caught_error_message = 0; |
334208b7 | 4601 | XSetErrorHandler (x_error_quitter); |
dc6f92b8 JB |
4602 | } |
4603 | ||
dc6f92b8 JB |
4604 | #if 0 |
4605 | static unsigned int x_wire_count; | |
4606 | x_trace_wire () | |
4607 | { | |
4608 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4609 | } | |
c118dd06 | 4610 | #endif /* ! 0 */ |
dc6f92b8 JB |
4611 | |
4612 | \f | |
f451eb13 JB |
4613 | /* Changing the font of the frame. */ |
4614 | ||
76bcdf39 RS |
4615 | /* Give frame F the font named FONTNAME as its default font, and |
4616 | return the full name of that font. FONTNAME may be a wildcard | |
4617 | pattern; in that case, we choose some font that fits the pattern. | |
4618 | The return value shows which font we chose. */ | |
4619 | ||
b5cf7a0e | 4620 | Lisp_Object |
f676886a JB |
4621 | x_new_font (f, fontname) |
4622 | struct frame *f; | |
dc6f92b8 JB |
4623 | register char *fontname; |
4624 | { | |
dc6f92b8 JB |
4625 | int already_loaded; |
4626 | int n_matching_fonts; | |
4627 | XFontStruct *font_info; | |
4628 | char **font_names; | |
4629 | ||
4630 | /* Get a list of all the fonts that match this name. Once we | |
4631 | have a list of matching fonts, we compare them against the fonts | |
4632 | we already have by comparing font ids. */ | |
334208b7 | 4633 | font_names = (char **) XListFonts (FRAME_X_DISPLAY (f), fontname, |
2224a5fc | 4634 | 1024, &n_matching_fonts); |
0c94f6ee JB |
4635 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4636 | find any matches; font_names == 0 is the only clue. */ | |
4637 | if (! font_names) | |
4638 | n_matching_fonts = 0; | |
4639 | ||
5835f860 RS |
4640 | /* Don't just give up if n_matching_fonts is 0. |
4641 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4642 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 4643 | |
90e65f07 | 4644 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
4645 | already_loaded = -1; |
4646 | if (n_matching_fonts != 0) | |
4647 | { | |
4648 | int i, j; | |
dc6f92b8 | 4649 | |
7a13e894 | 4650 | for (i = 0; i < FRAME_X_DISPLAY_INFO (f)->n_fonts; i++) |
5835f860 | 4651 | for (j = 0; j < n_matching_fonts; j++) |
7a13e894 RS |
4652 | if (!strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].name, font_names[j]) |
4653 | || !strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name, font_names[j])) | |
5835f860 RS |
4654 | { |
4655 | already_loaded = i; | |
7a13e894 | 4656 | fontname = FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name; |
5835f860 RS |
4657 | goto found_font; |
4658 | } | |
4659 | } | |
dc6f92b8 | 4660 | found_font: |
58769bee | 4661 | |
dc6f92b8 | 4662 | /* If we have, just return it from the table. */ |
2224a5fc | 4663 | if (already_loaded >= 0) |
7a13e894 | 4664 | f->display.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[already_loaded].font; |
dc6f92b8 JB |
4665 | /* Otherwise, load the font and add it to the table. */ |
4666 | else | |
4667 | { | |
9696f58b | 4668 | int i; |
76bcdf39 | 4669 | char *full_name; |
dc6f92b8 | 4670 | XFontStruct *font; |
7a13e894 | 4671 | int n_fonts; |
dc6f92b8 | 4672 | |
9696f58b | 4673 | /* Try to find a character-cell font in the list. */ |
58769bee | 4674 | #if 0 |
f126bd67 | 4675 | /* A laudable goal, but this isn't how to do it. */ |
9696f58b JB |
4676 | for (i = 0; i < n_matching_fonts; i++) |
4677 | if (! font_info[i].per_char) | |
4678 | break; | |
f126bd67 JB |
4679 | #else |
4680 | i = 0; | |
4681 | #endif | |
9696f58b | 4682 | |
5835f860 RS |
4683 | /* See comment above. */ |
4684 | if (n_matching_fonts != 0) | |
9696f58b JB |
4685 | fontname = font_names[i]; |
4686 | ||
334208b7 | 4687 | font = (XFontStruct *) XLoadQueryFont (FRAME_X_DISPLAY (f), fontname); |
dc6f92b8 | 4688 | if (! font) |
5835f860 | 4689 | { |
2224a5fc | 4690 | /* Free the information from XListFonts. */ |
5835f860 | 4691 | if (n_matching_fonts) |
2224a5fc | 4692 | XFreeFontNames (font_names); |
5835f860 RS |
4693 | return Qnil; |
4694 | } | |
dc6f92b8 JB |
4695 | |
4696 | /* Do we need to create the table? */ | |
7a13e894 | 4697 | if (FRAME_X_DISPLAY_INFO (f)->font_table_size == 0) |
dc6f92b8 | 4698 | { |
7a13e894 RS |
4699 | FRAME_X_DISPLAY_INFO (f)->font_table_size = 16; |
4700 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4701 | = (struct font_info *) xmalloc (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4702 | * sizeof (struct font_info)); | |
dc6f92b8 JB |
4703 | } |
4704 | /* Do we need to grow the table? */ | |
7a13e894 RS |
4705 | else if (FRAME_X_DISPLAY_INFO (f)->n_fonts |
4706 | >= FRAME_X_DISPLAY_INFO (f)->font_table_size) | |
dc6f92b8 | 4707 | { |
7a13e894 RS |
4708 | FRAME_X_DISPLAY_INFO (f)->font_table_size *= 2; |
4709 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4710 | = (struct font_info *) xrealloc (FRAME_X_DISPLAY_INFO (f)->font_table, | |
4711 | (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4712 | * sizeof (struct font_info))); | |
dc6f92b8 JB |
4713 | } |
4714 | ||
76bcdf39 RS |
4715 | /* Try to get the full name of FONT. Put it in full_name. */ |
4716 | full_name = 0; | |
4717 | for (i = 0; i < font->n_properties; i++) | |
4718 | { | |
4719 | char *atom | |
334208b7 | 4720 | = XGetAtomName (FRAME_X_DISPLAY (f), font->properties[i].name); |
76bcdf39 | 4721 | if (!strcmp (atom, "FONT")) |
7965883b | 4722 | { |
334208b7 | 4723 | char *name = XGetAtomName (FRAME_X_DISPLAY (f), |
7965883b RS |
4724 | (Atom) (font->properties[i].card32)); |
4725 | char *p = name; | |
4726 | int dashes = 0; | |
4727 | ||
4728 | /* Count the number of dashes in the "full name". | |
4729 | If it is too few, this isn't really the font's full name, | |
4730 | so don't use it. | |
4731 | In X11R4, the fonts did not come with their canonical names | |
4732 | stored in them. */ | |
4733 | while (*p) | |
4734 | { | |
4735 | if (*p == '-') | |
4736 | dashes++; | |
4737 | p++; | |
4738 | } | |
4739 | ||
4740 | if (dashes >= 13) | |
4741 | full_name = name; | |
8ed24d5a RS |
4742 | |
4743 | break; | |
7965883b RS |
4744 | } |
4745 | ||
76bcdf39 RS |
4746 | XFree (atom); |
4747 | } | |
4748 | ||
7a13e894 RS |
4749 | n_fonts = FRAME_X_DISPLAY_INFO (f)->n_fonts; |
4750 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); | |
4751 | bcopy (fontname, FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name, strlen (fontname) + 1); | |
76bcdf39 | 4752 | if (full_name != 0) |
7a13e894 | 4753 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = full_name; |
76bcdf39 | 4754 | else |
7a13e894 RS |
4755 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name; |
4756 | f->display.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].font = font; | |
4757 | FRAME_X_DISPLAY_INFO (f)->n_fonts++; | |
76bcdf39 | 4758 | |
d53067dc RS |
4759 | if (full_name) |
4760 | fontname = full_name; | |
dc6f92b8 | 4761 | } |
2224a5fc | 4762 | |
b2cad826 KH |
4763 | /* Compute the scroll bar width in character columns. */ |
4764 | if (f->scroll_bar_pixel_width > 0) | |
4765 | { | |
4766 | int wid = FONT_WIDTH (f->display.x->font); | |
4767 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; | |
4768 | } | |
4769 | else | |
4770 | f->scroll_bar_cols = 2; | |
4771 | ||
f676886a | 4772 | /* Now make the frame display the given font. */ |
c118dd06 | 4773 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4774 | { |
334208b7 | 4775 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->normal_gc, |
f676886a | 4776 | f->display.x->font->fid); |
334208b7 | 4777 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->reverse_gc, |
f676886a | 4778 | f->display.x->font->fid); |
334208b7 | 4779 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->cursor_gc, |
f676886a JB |
4780 | f->display.x->font->fid); |
4781 | ||
a27f9f86 | 4782 | frame_update_line_height (f); |
0134a210 | 4783 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 4784 | } |
a27f9f86 RS |
4785 | else |
4786 | /* If we are setting a new frame's font for the first time, | |
4787 | there are no faces yet, so this font's height is the line height. */ | |
0cdd0c9f | 4788 | f->display.x->line_height = FONT_HEIGHT (f->display.x->font); |
dc6f92b8 | 4789 | |
b5cf7a0e | 4790 | { |
abdda982 | 4791 | Lisp_Object lispy_name; |
b5cf7a0e | 4792 | |
abdda982 | 4793 | lispy_name = build_string (fontname); |
b5cf7a0e | 4794 | |
2224a5fc | 4795 | /* Free the information from XListFonts. The data |
b5cf7a0e | 4796 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 4797 | XFreeFontNames (font_names); |
b5cf7a0e JB |
4798 | |
4799 | return lispy_name; | |
4800 | } | |
dc6f92b8 | 4801 | } |
dc6f92b8 | 4802 | \f |
43bca5d5 | 4803 | x_calc_absolute_position (f) |
f676886a | 4804 | struct frame *f; |
dc6f92b8 | 4805 | { |
6dba1858 RS |
4806 | Window win, child; |
4807 | int win_x = 0, win_y = 0; | |
43bca5d5 | 4808 | int flags = f->display.x->size_hint_flags; |
c81412a0 KH |
4809 | int this_window; |
4810 | ||
4811 | #ifdef USE_X_TOOLKIT | |
4812 | this_window = XtWindow (f->display.x->widget); | |
4813 | #else | |
4814 | this_window = FRAME_X_WINDOW (f); | |
4815 | #endif | |
6dba1858 RS |
4816 | |
4817 | /* Find the position of the outside upper-left corner of | |
4818 | the inner window, with respect to the outer window. */ | |
334208b7 | 4819 | if (f->display.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
6dba1858 RS |
4820 | { |
4821 | BLOCK_INPUT; | |
334208b7 | 4822 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
58769bee | 4823 | |
6dba1858 | 4824 | /* From-window, to-window. */ |
c81412a0 | 4825 | this_window, |
6dba1858 RS |
4826 | f->display.x->parent_desc, |
4827 | ||
4828 | /* From-position, to-position. */ | |
4829 | 0, 0, &win_x, &win_y, | |
4830 | ||
4831 | /* Child of win. */ | |
4832 | &child); | |
4833 | UNBLOCK_INPUT; | |
4834 | } | |
4835 | ||
4836 | /* Treat negative positions as relative to the leftmost bottommost | |
4837 | position that fits on the screen. */ | |
20f55f9a | 4838 | if (flags & XNegative) |
334208b7 | 4839 | f->display.x->left_pos = (FRAME_X_DISPLAY_INFO (f)->width |
69388238 | 4840 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
4841 | - PIXEL_WIDTH (f) |
4842 | + f->display.x->left_pos); | |
dc6f92b8 | 4843 | |
20f55f9a | 4844 | if (flags & YNegative) |
334208b7 | 4845 | f->display.x->top_pos = (FRAME_X_DISPLAY_INFO (f)->height |
69388238 | 4846 | - 2 * f->display.x->border_width - win_y |
31ea78fd | 4847 | - PIXEL_HEIGHT (f) |
c81412a0 KH |
4848 | - (FRAME_EXTERNAL_MENU_BAR (f) |
4849 | ? f->display.x->menubar_height : 0) | |
31ea78fd | 4850 | + f->display.x->top_pos); |
3a35ab44 RS |
4851 | /* The left_pos and top_pos |
4852 | are now relative to the top and left screen edges, | |
4853 | so the flags should correspond. */ | |
4854 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
dc6f92b8 JB |
4855 | } |
4856 | ||
3a35ab44 RS |
4857 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
4858 | to really change the position, and 0 when calling from | |
4859 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
aa3ff7c9 KH |
4860 | position values). It is -1 when calling from x_set_frame_parameters, |
4861 | which means, do adjust for borders but don't change the gravity. */ | |
3a35ab44 | 4862 | |
dc05a16b | 4863 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 4864 | struct frame *f; |
dc6f92b8 | 4865 | register int xoff, yoff; |
dc05a16b | 4866 | int change_gravity; |
dc6f92b8 | 4867 | { |
4a4cbdd5 KH |
4868 | int modified_top, modified_left; |
4869 | ||
aa3ff7c9 | 4870 | if (change_gravity > 0) |
3a35ab44 RS |
4871 | { |
4872 | f->display.x->top_pos = yoff; | |
4873 | f->display.x->left_pos = xoff; | |
4874 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
4875 | if (xoff < 0) | |
4876 | f->display.x->size_hint_flags |= XNegative; | |
4877 | if (yoff < 0) | |
4878 | f->display.x->size_hint_flags |= YNegative; | |
4879 | f->display.x->win_gravity = NorthWestGravity; | |
4880 | } | |
43bca5d5 | 4881 | x_calc_absolute_position (f); |
dc6f92b8 JB |
4882 | |
4883 | BLOCK_INPUT; | |
c32cdd9a | 4884 | x_wm_set_size_hint (f, (long) 0, 0); |
3a35ab44 | 4885 | |
4a4cbdd5 KH |
4886 | /* It is a mystery why we need to add the border_width here |
4887 | when the frame is already visible, but experiment says we do. */ | |
4888 | modified_left = f->display.x->left_pos; | |
4889 | modified_top = f->display.x->top_pos; | |
aa3ff7c9 | 4890 | if (change_gravity != 0) |
4a4cbdd5 KH |
4891 | { |
4892 | modified_left += f->display.x->border_width; | |
4893 | modified_top += f->display.x->border_width; | |
4894 | } | |
4895 | ||
3afe33e7 | 4896 | #ifdef USE_X_TOOLKIT |
334208b7 | 4897 | XMoveWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget), |
4a4cbdd5 | 4898 | modified_left, modified_top); |
3afe33e7 | 4899 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 4900 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
4a4cbdd5 | 4901 | modified_left, modified_top); |
3afe33e7 | 4902 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
4903 | UNBLOCK_INPUT; |
4904 | } | |
4905 | ||
bc20ebbf FP |
4906 | /* Call this to change the size of frame F's x-window. |
4907 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
4908 | for this size change and subsequent size changes. | |
4909 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 4910 | |
bc20ebbf | 4911 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 4912 | struct frame *f; |
bc20ebbf | 4913 | int change_gravity; |
b1c884c3 | 4914 | int cols, rows; |
dc6f92b8 JB |
4915 | { |
4916 | int pixelwidth, pixelheight; | |
4917 | int mask; | |
dc6f92b8 | 4918 | |
80fd1fe2 FP |
4919 | #ifdef USE_X_TOOLKIT |
4920 | BLOCK_INPUT; | |
3a20653d RS |
4921 | { |
4922 | /* The x and y position of the widget is clobbered by the | |
4923 | call to XtSetValues within EmacsFrameSetCharSize. | |
4924 | This is a real kludge, but I don't understand Xt so I can't | |
4925 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
4926 | int xpos = f->display.x->widget->core.x; | |
4927 | int ypos = f->display.x->widget->core.y; | |
4928 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
4929 | f->display.x->widget->core.x = xpos; | |
4930 | f->display.x->widget->core.y = ypos; | |
4931 | } | |
80fd1fe2 FP |
4932 | UNBLOCK_INPUT; |
4933 | ||
4934 | #else /* not USE_X_TOOLKIT */ | |
4935 | ||
dc6f92b8 JB |
4936 | BLOCK_INPUT; |
4937 | ||
b1c884c3 | 4938 | check_frame_size (f, &rows, &cols); |
6dba1858 | 4939 | f->display.x->vertical_scroll_bar_extra |
b2cad826 KH |
4940 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
4941 | ? 0 | |
4942 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
480407eb | 4943 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
b2cad826 | 4944 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->display.x->font))); |
f451eb13 JB |
4945 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
4946 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 | 4947 | |
af31d76f | 4948 | f->display.x->win_gravity = NorthWestGravity; |
c32cdd9a | 4949 | x_wm_set_size_hint (f, (long) 0, 0); |
6ccf47d1 | 4950 | |
334208b7 RS |
4951 | XSync (FRAME_X_DISPLAY (f), False); |
4952 | XResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
4953 | pixelwidth, pixelheight); | |
b1c884c3 JB |
4954 | |
4955 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4956 | but the window manager will get around to dealing with the size | |
4957 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4958 | ConfigureNotify event gets here. |
4959 | ||
4960 | We could just not bother storing any of this information here, | |
4961 | and let the ConfigureNotify event set everything up, but that | |
4962 | might be kind of confusing to the lisp code, since size changes | |
4963 | wouldn't be reported in the frame parameters until some random | |
4964 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4965 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4966 | PIXEL_WIDTH (f) = pixelwidth; |
4967 | PIXEL_HEIGHT (f) = pixelheight; | |
4968 | ||
4d73d038 RS |
4969 | /* If cursor was outside the new size, mark it as off. */ |
4970 | if (f->phys_cursor_y >= rows | |
4971 | || f->phys_cursor_x >= cols) | |
4972 | { | |
4973 | f->phys_cursor_x = -1; | |
4974 | f->phys_cursor_y = -1; | |
4975 | } | |
4976 | ||
dbc4e1c1 JB |
4977 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4978 | receive in the ConfigureNotify event; if we get what we asked | |
4979 | for, then the event won't cause the screen to become garbaged, so | |
4980 | we have to make sure to do it here. */ | |
4981 | SET_FRAME_GARBAGED (f); | |
4982 | ||
334208b7 | 4983 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 4984 | UNBLOCK_INPUT; |
80fd1fe2 | 4985 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 4986 | } |
dc6f92b8 | 4987 | \f |
d047c4eb | 4988 | /* Mouse warping. */ |
dc6f92b8 | 4989 | |
9b378208 | 4990 | void |
f676886a JB |
4991 | x_set_mouse_position (f, x, y) |
4992 | struct frame *f; | |
dc6f92b8 JB |
4993 | int x, y; |
4994 | { | |
4995 | int pix_x, pix_y; | |
4996 | ||
12ba150f | 4997 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
a27f9f86 | 4998 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->display.x->line_height / 2; |
f451eb13 JB |
4999 | |
5000 | if (pix_x < 0) pix_x = 0; | |
5001 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
5002 | ||
5003 | if (pix_y < 0) pix_y = 0; | |
5004 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
5005 | |
5006 | BLOCK_INPUT; | |
dc6f92b8 | 5007 | |
334208b7 RS |
5008 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
5009 | 0, 0, 0, 0, pix_x, pix_y); | |
dc6f92b8 JB |
5010 | UNBLOCK_INPUT; |
5011 | } | |
5012 | ||
9b378208 RS |
5013 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
5014 | ||
5015 | void | |
5016 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
5017 | struct frame *f; | |
5018 | int pix_x, pix_y; | |
5019 | { | |
5020 | BLOCK_INPUT; | |
5021 | ||
334208b7 RS |
5022 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
5023 | 0, 0, 0, 0, pix_x, pix_y); | |
9b378208 RS |
5024 | UNBLOCK_INPUT; |
5025 | } | |
d047c4eb KH |
5026 | \f |
5027 | /* focus shifting, raising and lowering. */ | |
9b378208 | 5028 | |
f676886a JB |
5029 | x_focus_on_frame (f) |
5030 | struct frame *f; | |
dc6f92b8 | 5031 | { |
1fb20991 | 5032 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 5033 | x_raise_frame (f); |
1fb20991 | 5034 | #endif |
6d4238f3 JB |
5035 | #if 0 |
5036 | /* I don't think that the ICCCM allows programs to do things like this | |
5037 | without the interaction of the window manager. Whatever you end up | |
f676886a | 5038 | doing with this code, do it to x_unfocus_frame too. */ |
334208b7 | 5039 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dc6f92b8 | 5040 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5041 | #endif /* ! 0 */ |
dc6f92b8 JB |
5042 | } |
5043 | ||
f676886a JB |
5044 | x_unfocus_frame (f) |
5045 | struct frame *f; | |
dc6f92b8 | 5046 | { |
6d4238f3 | 5047 | #if 0 |
f676886a | 5048 | /* Look at the remarks in x_focus_on_frame. */ |
0f941935 | 5049 | if (FRAME_X_DISPLAY_INFO (f)->x_focus_frame == f) |
334208b7 | 5050 | XSetInputFocus (FRAME_X_DISPLAY (f), PointerRoot, |
dc6f92b8 | 5051 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5052 | #endif /* ! 0 */ |
dc6f92b8 JB |
5053 | } |
5054 | ||
f676886a | 5055 | /* Raise frame F. */ |
dc6f92b8 | 5056 | |
f676886a JB |
5057 | x_raise_frame (f) |
5058 | struct frame *f; | |
dc6f92b8 | 5059 | { |
3a88c238 | 5060 | if (f->async_visible) |
dc6f92b8 JB |
5061 | { |
5062 | BLOCK_INPUT; | |
3afe33e7 | 5063 | #ifdef USE_X_TOOLKIT |
334208b7 | 5064 | XRaiseWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget)); |
3afe33e7 | 5065 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 5066 | XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5067 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5068 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
5069 | UNBLOCK_INPUT; |
5070 | } | |
5071 | } | |
5072 | ||
f676886a | 5073 | /* Lower frame F. */ |
dc6f92b8 | 5074 | |
f676886a JB |
5075 | x_lower_frame (f) |
5076 | struct frame *f; | |
dc6f92b8 | 5077 | { |
3a88c238 | 5078 | if (f->async_visible) |
dc6f92b8 JB |
5079 | { |
5080 | BLOCK_INPUT; | |
3afe33e7 | 5081 | #ifdef USE_X_TOOLKIT |
334208b7 | 5082 | XLowerWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget)); |
3afe33e7 | 5083 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 5084 | XLowerWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5085 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5086 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
5087 | UNBLOCK_INPUT; |
5088 | } | |
5089 | } | |
5090 | ||
dbc4e1c1 JB |
5091 | static void |
5092 | XTframe_raise_lower (f, raise) | |
5093 | FRAME_PTR f; | |
5094 | int raise; | |
5095 | { | |
5096 | if (raise) | |
5097 | x_raise_frame (f); | |
5098 | else | |
5099 | x_lower_frame (f); | |
5100 | } | |
d047c4eb KH |
5101 | \f |
5102 | /* Change of visibility. */ | |
dc6f92b8 | 5103 | |
9382638d KH |
5104 | /* This tries to wait until the frame is really visible. |
5105 | However, if the window manager asks the user where to position | |
5106 | the frame, this will return before the user finishes doing that. | |
5107 | The frame will not actually be visible at that time, | |
5108 | but it will become visible later when the window manager | |
5109 | finishes with it. */ | |
5110 | ||
f676886a JB |
5111 | x_make_frame_visible (f) |
5112 | struct frame *f; | |
dc6f92b8 JB |
5113 | { |
5114 | int mask; | |
990ba854 | 5115 | Lisp_Object type; |
dc6f92b8 | 5116 | |
dc6f92b8 | 5117 | BLOCK_INPUT; |
dc6f92b8 | 5118 | |
990ba854 RS |
5119 | type = x_icon_type (f); |
5120 | if (!NILP (type)) | |
5121 | x_bitmap_icon (f, type); | |
bdcd49ba | 5122 | |
f676886a | 5123 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 | 5124 | { |
9382638d KH |
5125 | /* We test FRAME_GARBAGED_P here to make sure we don't |
5126 | call x_set_offset a second time | |
5127 | if we get to x_make_frame_visible a second time | |
5128 | before the window gets really visible. */ | |
5129 | if (! FRAME_ICONIFIED_P (f) | |
5130 | && ! f->display.x->asked_for_visible) | |
fd13dbb2 | 5131 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); |
dc05a16b | 5132 | |
9382638d KH |
5133 | f->display.x->asked_for_visible = 1; |
5134 | ||
90e65f07 | 5135 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 5136 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 5137 | #ifdef USE_X_TOOLKIT |
d7a38a2e RS |
5138 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
5139 | XtMapWidget (f->display.x->widget); | |
3afe33e7 | 5140 | #else /* not USE_X_TOOLKIT */ |
7f9c7f94 | 5141 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5142 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
5143 | #if 0 /* This seems to bring back scroll bars in the wrong places |
5144 | if the window configuration has changed. They seem | |
5145 | to come back ok without this. */ | |
ab648270 | 5146 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 5147 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 5148 | #endif |
90e65f07 | 5149 | } |
dc6f92b8 | 5150 | |
334208b7 | 5151 | XFlush (FRAME_X_DISPLAY (f)); |
90e65f07 | 5152 | |
0dacf791 RS |
5153 | /* Synchronize to ensure Emacs knows the frame is visible |
5154 | before we do anything else. We do this loop with input not blocked | |
5155 | so that incoming events are handled. */ | |
5156 | { | |
5157 | Lisp_Object frame; | |
c0a04927 RS |
5158 | int count = input_signal_count; |
5159 | ||
5160 | /* This must come after we set COUNT. */ | |
5161 | UNBLOCK_INPUT; | |
5162 | ||
e0c1aef2 | 5163 | XSETFRAME (frame, f); |
c0a04927 RS |
5164 | |
5165 | while (1) | |
2a6cf806 | 5166 | { |
334208b7 | 5167 | x_sync (f); |
c0a04927 RS |
5168 | /* Once we have handled input events, |
5169 | we should have received the MapNotify if one is coming. | |
5170 | So if we have not got it yet, stop looping. | |
5171 | Some window managers make their own decisions | |
5172 | about visibility. */ | |
5173 | if (input_signal_count != count) | |
5174 | break; | |
c12a7cbd | 5175 | /* Machines that do polling rather than SIGIO have been observed |
23cf7c60 KH |
5176 | to go into a busy-wait here. So we'll fake an alarm signal |
5177 | to let the handler know that there's something to be read. | |
5178 | We used to raise a real alarm, but it seems that the handler | |
5179 | isn't always enabled here. This is probably a bug. */ | |
8b2f8d4e | 5180 | if (input_polling_used ()) |
3b2fa4e6 RS |
5181 | { |
5182 | /* It could be confusing if a real alarm arrives while processing | |
5183 | the fake one. Turn it off and let the handler reset it. */ | |
5184 | alarm (0); | |
5185 | input_poll_signal (); | |
5186 | } | |
c0a04927 RS |
5187 | /* Once we have handled input events, |
5188 | we should have received the MapNotify if one is coming. | |
5189 | So if we have not got it yet, stop looping. | |
5190 | Some window managers make their own decisions | |
5191 | about visibility. */ | |
5192 | if (input_signal_count != count) | |
5193 | break; | |
2a6cf806 | 5194 | } |
0dacf791 RS |
5195 | FRAME_SAMPLE_VISIBILITY (f); |
5196 | } | |
dc6f92b8 JB |
5197 | } |
5198 | ||
5199 | /* Change from mapped state to withdrawn state. */ | |
5200 | ||
d047c4eb KH |
5201 | /* Make the frame visible (mapped and not iconified). */ |
5202 | ||
f676886a JB |
5203 | x_make_frame_invisible (f) |
5204 | struct frame *f; | |
dc6f92b8 JB |
5205 | { |
5206 | int mask; | |
546e6d5b RS |
5207 | Window window; |
5208 | ||
5209 | #ifdef USE_X_TOOLKIT | |
5210 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
5211 | window = XtWindow (f->display.x->widget); | |
5212 | #else /* not USE_X_TOOLKIT */ | |
5213 | window = FRAME_X_WINDOW (f); | |
5214 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5215 | |
9319ae23 | 5216 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
5217 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
5218 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 5219 | |
5627c40e | 5220 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5221 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5222 | return; |
5627c40e | 5223 | #endif |
dc6f92b8 JB |
5224 | |
5225 | BLOCK_INPUT; | |
c118dd06 | 5226 | |
af31d76f RS |
5227 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
5228 | that the current position of the window is user-specified, rather than | |
5229 | program-specified, so that when the window is mapped again, it will be | |
5230 | placed at the same location, without forcing the user to position it | |
5231 | by hand again (they have already done that once for this window.) */ | |
c32cdd9a | 5232 | x_wm_set_size_hint (f, (long) 0, 1); |
af31d76f | 5233 | |
c118dd06 JB |
5234 | #ifdef HAVE_X11R4 |
5235 | ||
334208b7 RS |
5236 | if (! XWithdrawWindow (FRAME_X_DISPLAY (f), window, |
5237 | DefaultScreen (FRAME_X_DISPLAY (f)))) | |
c118dd06 JB |
5238 | { |
5239 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5240 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 5241 | } |
c118dd06 | 5242 | #else /* ! defined (HAVE_X11R4) */ |
16bd92ea | 5243 | |
c118dd06 | 5244 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5245 | if (! EQ (Vx_no_window_manager, Qt)) |
5246 | { | |
16bd92ea | 5247 | XEvent unmap; |
dc6f92b8 | 5248 | |
16bd92ea | 5249 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 5250 | unmap.xunmap.window = window; |
334208b7 | 5251 | unmap.xunmap.event = DefaultRootWindow (FRAME_X_DISPLAY (f)); |
16bd92ea | 5252 | unmap.xunmap.from_configure = False; |
334208b7 RS |
5253 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5254 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5255 | False, |
5256 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5257 | &unmap)) | |
5258 | { | |
5259 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5260 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 5261 | } |
dc6f92b8 JB |
5262 | } |
5263 | ||
16bd92ea | 5264 | /* Unmap the window ourselves. Cheeky! */ |
334208b7 | 5265 | XUnmapWindow (FRAME_X_DISPLAY (f), window); |
c118dd06 | 5266 | #endif /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 5267 | |
5627c40e RS |
5268 | /* We can't distinguish this from iconification |
5269 | just by the event that we get from the server. | |
5270 | So we can't win using the usual strategy of letting | |
5271 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5272 | and synchronize with the server to make sure we agree. */ | |
5273 | f->visible = 0; | |
5274 | FRAME_ICONIFIED_P (f) = 0; | |
5275 | f->async_visible = 0; | |
5276 | f->async_iconified = 0; | |
5277 | ||
334208b7 | 5278 | x_sync (f); |
5627c40e | 5279 | |
dc6f92b8 JB |
5280 | UNBLOCK_INPUT; |
5281 | } | |
5282 | ||
dc6f92b8 JB |
5283 | /* Change window state from mapped to iconified. */ |
5284 | ||
f676886a JB |
5285 | x_iconify_frame (f) |
5286 | struct frame *f; | |
dc6f92b8 JB |
5287 | { |
5288 | int mask; | |
3afe33e7 | 5289 | int result; |
990ba854 | 5290 | Lisp_Object type; |
dc6f92b8 | 5291 | |
9319ae23 | 5292 | /* Don't keep the highlight on an invisible frame. */ |
0f941935 KH |
5293 | if (FRAME_X_DISPLAY_INFO (f)->x_highlight_frame == f) |
5294 | FRAME_X_DISPLAY_INFO (f)->x_highlight_frame = 0; | |
9319ae23 | 5295 | |
3a88c238 | 5296 | if (f->async_iconified) |
dc6f92b8 JB |
5297 | return; |
5298 | ||
3afe33e7 | 5299 | BLOCK_INPUT; |
546e6d5b | 5300 | |
990ba854 RS |
5301 | type = x_icon_type (f); |
5302 | if (!NILP (type)) | |
5303 | x_bitmap_icon (f, type); | |
bdcd49ba RS |
5304 | |
5305 | #ifdef USE_X_TOOLKIT | |
5306 | ||
546e6d5b RS |
5307 | if (! FRAME_VISIBLE_P (f)) |
5308 | { | |
5309 | if (! EQ (Vx_no_window_manager, Qt)) | |
5310 | x_wm_set_window_state (f, IconicState); | |
5311 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
5312 | XtMapWidget (f->display.x->widget); | |
5313 | UNBLOCK_INPUT; | |
5314 | return; | |
5315 | } | |
5316 | ||
334208b7 | 5317 | result = XIconifyWindow (FRAME_X_DISPLAY (f), |
bc20ebbf | 5318 | XtWindow (f->display.x->widget), |
334208b7 | 5319 | DefaultScreen (FRAME_X_DISPLAY (f))); |
3afe33e7 RS |
5320 | UNBLOCK_INPUT; |
5321 | ||
5322 | if (!result) | |
546e6d5b | 5323 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
5324 | |
5325 | f->async_iconified = 1; | |
8c002a25 KH |
5326 | |
5327 | BLOCK_INPUT; | |
334208b7 | 5328 | XFlush (FRAME_X_DISPLAY (f)); |
8c002a25 | 5329 | UNBLOCK_INPUT; |
3afe33e7 RS |
5330 | #else /* not USE_X_TOOLKIT */ |
5331 | ||
fd13dbb2 RS |
5332 | /* Make sure the X server knows where the window should be positioned, |
5333 | in case the user deiconifies with the window manager. */ | |
5334 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
5335 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
5336 | ||
16bd92ea JB |
5337 | /* Since we don't know which revision of X we're running, we'll use both |
5338 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5339 | ||
5340 | /* X11R4: send a ClientMessage to the window manager using the | |
5341 | WM_CHANGE_STATE type. */ | |
5342 | { | |
5343 | XEvent message; | |
58769bee | 5344 | |
c118dd06 | 5345 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea | 5346 | message.xclient.type = ClientMessage; |
334208b7 | 5347 | message.xclient.message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_change_state; |
16bd92ea JB |
5348 | message.xclient.format = 32; |
5349 | message.xclient.data.l[0] = IconicState; | |
5350 | ||
334208b7 RS |
5351 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5352 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5353 | False, |
5354 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5355 | &message)) | |
dc6f92b8 JB |
5356 | { |
5357 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5358 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 5359 | } |
16bd92ea | 5360 | } |
dc6f92b8 | 5361 | |
58769bee | 5362 | /* X11R3: set the initial_state field of the window manager hints to |
16bd92ea JB |
5363 | IconicState. */ |
5364 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5365 | |
a9c00105 RS |
5366 | if (!FRAME_VISIBLE_P (f)) |
5367 | { | |
5368 | /* If the frame was withdrawn, before, we must map it. */ | |
7f9c7f94 | 5369 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
a9c00105 RS |
5370 | } |
5371 | ||
3a88c238 | 5372 | f->async_iconified = 1; |
dc6f92b8 | 5373 | |
334208b7 | 5374 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5375 | UNBLOCK_INPUT; |
8c002a25 | 5376 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5377 | } |
d047c4eb | 5378 | \f |
c0ff3fab | 5379 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5380 | |
c0ff3fab | 5381 | x_destroy_window (f) |
f676886a | 5382 | struct frame *f; |
dc6f92b8 | 5383 | { |
7f9c7f94 RS |
5384 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
5385 | ||
dc6f92b8 | 5386 | BLOCK_INPUT; |
c0ff3fab JB |
5387 | |
5388 | if (f->display.x->icon_desc != 0) | |
334208b7 RS |
5389 | XDestroyWindow (FRAME_X_DISPLAY (f), f->display.x->icon_desc); |
5390 | XDestroyWindow (FRAME_X_DISPLAY (f), f->display.x->window_desc); | |
3afe33e7 RS |
5391 | #ifdef USE_X_TOOLKIT |
5392 | XtDestroyWidget (f->display.x->widget); | |
9d7e2e3e | 5393 | free_frame_menubar (f); |
3afe33e7 RS |
5394 | #endif /* USE_X_TOOLKIT */ |
5395 | ||
07e34cb0 | 5396 | free_frame_faces (f); |
334208b7 | 5397 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5398 | |
9ac0d9e0 | 5399 | xfree (f->display.x); |
c0ff3fab | 5400 | f->display.x = 0; |
0f941935 KH |
5401 | if (f == dpyinfo->x_focus_frame) |
5402 | dpyinfo->x_focus_frame = 0; | |
5403 | if (f == dpyinfo->x_focus_event_frame) | |
5404 | dpyinfo->x_focus_event_frame = 0; | |
5405 | if (f == dpyinfo->x_highlight_frame) | |
5406 | dpyinfo->x_highlight_frame = 0; | |
c0ff3fab | 5407 | |
7f9c7f94 RS |
5408 | dpyinfo->reference_count--; |
5409 | ||
5410 | if (f == dpyinfo->mouse_face_mouse_frame) | |
dc05a16b | 5411 | { |
7f9c7f94 RS |
5412 | dpyinfo->mouse_face_beg_row |
5413 | = dpyinfo->mouse_face_beg_col = -1; | |
5414 | dpyinfo->mouse_face_end_row | |
5415 | = dpyinfo->mouse_face_end_col = -1; | |
5416 | dpyinfo->mouse_face_window = Qnil; | |
dc05a16b | 5417 | } |
0134a210 | 5418 | |
c0ff3fab | 5419 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5420 | } |
5421 | \f | |
f451eb13 JB |
5422 | /* Setting window manager hints. */ |
5423 | ||
af31d76f RS |
5424 | /* Set the normal size hints for the window manager, for frame F. |
5425 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5426 | that the window now has. | |
5427 | If USER_POSITION is nonzero, we set the USPosition | |
5428 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5429 | |
af31d76f | 5430 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5431 | struct frame *f; |
af31d76f RS |
5432 | long flags; |
5433 | int user_position; | |
dc6f92b8 JB |
5434 | { |
5435 | XSizeHints size_hints; | |
3afe33e7 RS |
5436 | |
5437 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5438 | Arg al[2]; |
5439 | int ac = 0; | |
5440 | Dimension widget_width, widget_height; | |
bc20ebbf | 5441 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5442 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5443 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5444 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5445 | |
b72a58fd RS |
5446 | /* Setting PMaxSize caused various problems. */ |
5447 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5448 | |
f676886a JB |
5449 | flexlines = f->height; |
5450 | ||
5451 | size_hints.x = f->display.x->left_pos; | |
5452 | size_hints.y = f->display.x->top_pos; | |
7553a6b7 | 5453 | |
7e4f2521 FP |
5454 | #ifdef USE_X_TOOLKIT |
5455 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5456 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
d067ea8b | 5457 | XtGetValues (f->display.x->widget, al, ac); |
7e4f2521 FP |
5458 | size_hints.height = widget_height; |
5459 | size_hints.width = widget_width; | |
5460 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5461 | size_hints.height = PIXEL_HEIGHT (f); |
5462 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5463 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5464 | |
f676886a | 5465 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 5466 | size_hints.height_inc = f->display.x->line_height; |
334208b7 RS |
5467 | size_hints.max_width |
5468 | = FRAME_X_DISPLAY_INFO (f)->width - CHAR_TO_PIXEL_WIDTH (f, 0); | |
5469 | size_hints.max_height | |
5470 | = FRAME_X_DISPLAY_INFO (f)->height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5471 | |
d067ea8b KH |
5472 | /* Calculate the base and minimum sizes. |
5473 | ||
5474 | (When we use the X toolkit, we don't do it here. | |
5475 | Instead we copy the values that the widgets are using, below.) */ | |
5476 | #ifndef USE_X_TOOLKIT | |
b1c884c3 | 5477 | { |
b0342f17 | 5478 | int base_width, base_height; |
0134a210 | 5479 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5480 | |
f451eb13 JB |
5481 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5482 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5483 | |
0134a210 | 5484 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5485 | |
0134a210 RS |
5486 | /* The window manager uses the base width hints to calculate the |
5487 | current number of rows and columns in the frame while | |
5488 | resizing; min_width and min_height aren't useful for this | |
5489 | purpose, since they might not give the dimensions for a | |
5490 | zero-row, zero-column frame. | |
58769bee | 5491 | |
0134a210 RS |
5492 | We use the base_width and base_height members if we have |
5493 | them; otherwise, we set the min_width and min_height members | |
5494 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5495 | |
5496 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5497 | size_hints.flags |= PBaseSize; |
5498 | size_hints.base_width = base_width; | |
5499 | size_hints.base_height = base_height; | |
5500 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5501 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5502 | #else |
0134a210 RS |
5503 | size_hints.min_width = base_width; |
5504 | size_hints.min_height = base_height; | |
b0342f17 | 5505 | #endif |
b1c884c3 | 5506 | } |
dc6f92b8 | 5507 | |
d067ea8b | 5508 | /* If we don't need the old flags, we don't need the old hint at all. */ |
af31d76f | 5509 | if (flags) |
dc6f92b8 | 5510 | { |
d067ea8b KH |
5511 | size_hints.flags |= flags; |
5512 | goto no_read; | |
5513 | } | |
5514 | #endif /* not USE_X_TOOLKIT */ | |
5515 | ||
5516 | { | |
5517 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
5518 | long supplied_return; | |
5519 | int value; | |
af31d76f RS |
5520 | |
5521 | #ifdef HAVE_X11R4 | |
d067ea8b KH |
5522 | value = XGetWMNormalHints (FRAME_X_DISPLAY (f), window, &hints, |
5523 | &supplied_return); | |
af31d76f | 5524 | #else |
d067ea8b | 5525 | value = XGetNormalHints (FRAME_X_DISPLAY (f), window, &hints); |
af31d76f | 5526 | #endif |
58769bee | 5527 | |
d067ea8b KH |
5528 | #ifdef USE_X_TOOLKIT |
5529 | size_hints.base_height = hints.base_height; | |
5530 | size_hints.base_width = hints.base_width; | |
5531 | size_hints.min_height = hints.min_height; | |
5532 | size_hints.min_width = hints.min_width; | |
5533 | #endif | |
5534 | ||
5535 | if (flags) | |
5536 | size_hints.flags |= flags; | |
5537 | else | |
5538 | { | |
5539 | if (value == 0) | |
5540 | hints.flags = 0; | |
5541 | if (hints.flags & PSize) | |
5542 | size_hints.flags |= PSize; | |
5543 | if (hints.flags & PPosition) | |
5544 | size_hints.flags |= PPosition; | |
5545 | if (hints.flags & USPosition) | |
5546 | size_hints.flags |= USPosition; | |
5547 | if (hints.flags & USSize) | |
5548 | size_hints.flags |= USSize; | |
5549 | } | |
5550 | } | |
5551 | ||
5552 | no_read: | |
0134a210 | 5553 | |
af31d76f | 5554 | #ifdef PWinGravity |
dc05a16b | 5555 | size_hints.win_gravity = f->display.x->win_gravity; |
af31d76f | 5556 | size_hints.flags |= PWinGravity; |
dc05a16b | 5557 | |
af31d76f | 5558 | if (user_position) |
6dba1858 | 5559 | { |
af31d76f RS |
5560 | size_hints.flags &= ~ PPosition; |
5561 | size_hints.flags |= USPosition; | |
6dba1858 | 5562 | } |
2554751d | 5563 | #endif /* PWinGravity */ |
6dba1858 | 5564 | |
b0342f17 | 5565 | #ifdef HAVE_X11R4 |
334208b7 | 5566 | XSetWMNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5567 | #else |
334208b7 | 5568 | XSetNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5569 | #endif |
dc6f92b8 JB |
5570 | } |
5571 | ||
5572 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5573 | x_wm_set_window_state (f, state) |
5574 | struct frame *f; | |
dc6f92b8 JB |
5575 | int state; |
5576 | { | |
3afe33e7 | 5577 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
5578 | Arg al[1]; |
5579 | ||
5580 | XtSetArg (al[0], XtNinitialState, state); | |
5581 | XtSetValues (f->display.x->widget, al, 1); | |
3afe33e7 | 5582 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5583 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5584 | |
16bd92ea JB |
5585 | f->display.x->wm_hints.flags |= StateHint; |
5586 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 5587 | |
334208b7 | 5588 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
546e6d5b | 5589 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5590 | } |
5591 | ||
7f2ae036 | 5592 | x_wm_set_icon_pixmap (f, pixmap_id) |
f676886a | 5593 | struct frame *f; |
7f2ae036 | 5594 | int pixmap_id; |
dc6f92b8 | 5595 | { |
75231bad RS |
5596 | #ifdef USE_X_TOOLKIT |
5597 | Window window = XtWindow (f->display.x->widget); | |
5598 | #else | |
c118dd06 | 5599 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5600 | #endif |
dc6f92b8 | 5601 | |
7f2ae036 | 5602 | if (pixmap_id > 0) |
dbc4e1c1 | 5603 | { |
7a13e894 | 5604 | Pixmap icon_pixmap = x_bitmap_pixmap (f, pixmap_id); |
dbc4e1c1 | 5605 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; |
dbc4e1c1 JB |
5606 | } |
5607 | else | |
baf540d6 | 5608 | f->display.x->wm_hints.icon_pixmap = None; |
b1c884c3 | 5609 | |
baf540d6 | 5610 | f->display.x->wm_hints.flags |= IconPixmapHint; |
334208b7 | 5611 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5612 | } |
5613 | ||
f676886a JB |
5614 | x_wm_set_icon_position (f, icon_x, icon_y) |
5615 | struct frame *f; | |
dc6f92b8 JB |
5616 | int icon_x, icon_y; |
5617 | { | |
75231bad RS |
5618 | #ifdef USE_X_TOOLKIT |
5619 | Window window = XtWindow (f->display.x->widget); | |
5620 | #else | |
c118dd06 | 5621 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5622 | #endif |
dc6f92b8 | 5623 | |
16bd92ea JB |
5624 | f->display.x->wm_hints.flags |= IconPositionHint; |
5625 | f->display.x->wm_hints.icon_x = icon_x; | |
5626 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5627 | |
334208b7 | 5628 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5629 | } |
5630 | ||
5631 | \f | |
f451eb13 JB |
5632 | /* Initialization. */ |
5633 | ||
3afe33e7 RS |
5634 | #ifdef USE_X_TOOLKIT |
5635 | static XrmOptionDescRec emacs_options[] = { | |
5636 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5637 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5638 | ||
5639 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5640 | XrmoptionSepArg, NULL}, | |
5641 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5642 | ||
5643 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5644 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5645 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5646 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5647 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5648 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
5649 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
5650 | }; | |
5651 | #endif /* USE_X_TOOLKIT */ | |
5652 | ||
7a13e894 RS |
5653 | static int x_initialized; |
5654 | ||
29b38361 KH |
5655 | #ifdef MULTI_KBOARD |
5656 | /* Test whether two display-name strings agree up to the dot that separates | |
5657 | the screen number from the server number. */ | |
5658 | static int | |
5659 | same_x_server (name1, name2) | |
5660 | char *name1, *name2; | |
5661 | { | |
5662 | int seen_colon = 0; | |
5663 | for (; *name1 != '\0' && *name1 == *name2; name1++, name2++) | |
5664 | { | |
5665 | if (*name1 == ':') | |
5666 | seen_colon++; | |
5667 | if (seen_colon && *name1 == '.') | |
5668 | return 1; | |
5669 | } | |
5670 | return (seen_colon | |
5671 | && (*name1 == '.' || *name1 == '\0') | |
5672 | && (*name2 == '.' || *name2 == '\0')); | |
5673 | } | |
5674 | #endif | |
5675 | ||
334208b7 | 5676 | struct x_display_info * |
1f8255f2 | 5677 | x_term_init (display_name, xrm_option, resource_name) |
334208b7 | 5678 | Lisp_Object display_name; |
1f8255f2 RS |
5679 | char *xrm_option; |
5680 | char *resource_name; | |
dc6f92b8 | 5681 | { |
f676886a | 5682 | Lisp_Object frame; |
dc6f92b8 | 5683 | char *defaultvalue; |
334208b7 | 5684 | int connection; |
7a13e894 | 5685 | Display *dpy; |
334208b7 RS |
5686 | struct x_display_info *dpyinfo; |
5687 | XrmDatabase xrdb; | |
5688 | ||
60439948 KH |
5689 | BLOCK_INPUT; |
5690 | ||
7a13e894 RS |
5691 | if (!x_initialized) |
5692 | { | |
5693 | x_initialize (); | |
5694 | x_initialized = 1; | |
5695 | } | |
dc6f92b8 | 5696 | |
3afe33e7 | 5697 | #ifdef USE_X_TOOLKIT |
2d7fc7e8 RS |
5698 | /* weiner@footloose.sps.mot.com reports that this causes |
5699 | errors with X11R5: | |
5700 | X protocol error: BadAtom (invalid Atom parameter) | |
5701 | on protocol request 18skiloaf. | |
5702 | So let's not use it until R6. */ | |
5703 | #ifdef HAVE_X11XTR6 | |
bdcd49ba RS |
5704 | XtSetLanguageProc (NULL, NULL, NULL); |
5705 | #endif | |
5706 | ||
7f9c7f94 RS |
5707 | { |
5708 | int argc = 0; | |
5709 | char *argv[3]; | |
5710 | ||
5711 | argv[0] = ""; | |
5712 | argc = 1; | |
5713 | if (xrm_option) | |
5714 | { | |
5715 | argv[argc++] = "-xrm"; | |
5716 | argv[argc++] = xrm_option; | |
5717 | } | |
5718 | dpy = XtOpenDisplay (Xt_app_con, XSTRING (display_name)->data, | |
5719 | resource_name, EMACS_CLASS, | |
5720 | emacs_options, XtNumber (emacs_options), | |
5721 | &argc, argv); | |
5722 | } | |
3afe33e7 RS |
5723 | |
5724 | #else /* not USE_X_TOOLKIT */ | |
bdcd49ba RS |
5725 | #ifdef HAVE_X11R5 |
5726 | XSetLocaleModifiers (""); | |
5727 | #endif | |
7a13e894 | 5728 | dpy = XOpenDisplay (XSTRING (display_name)->data); |
3afe33e7 | 5729 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5730 | |
7a13e894 RS |
5731 | /* Detect failure. */ |
5732 | if (dpy == 0) | |
60439948 KH |
5733 | { |
5734 | UNBLOCK_INPUT; | |
5735 | return 0; | |
5736 | } | |
7a13e894 RS |
5737 | |
5738 | /* We have definitely succeeded. Record the new connection. */ | |
5739 | ||
5740 | dpyinfo = (struct x_display_info *) xmalloc (sizeof (struct x_display_info)); | |
5741 | ||
29b38361 KH |
5742 | #ifdef MULTI_KBOARD |
5743 | { | |
5744 | struct x_display_info *share; | |
5745 | Lisp_Object tail; | |
5746 | ||
5747 | for (share = x_display_list, tail = x_display_name_list; share; | |
5748 | share = share->next, tail = XCONS (tail)->cdr) | |
5749 | if (same_x_server (XSTRING (XCONS (XCONS (tail)->car)->car)->data, | |
5750 | XSTRING (display_name)->data)) | |
5751 | break; | |
5752 | if (share) | |
5753 | dpyinfo->kboard = share->kboard; | |
5754 | else | |
5755 | { | |
5756 | dpyinfo->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); | |
5757 | init_kboard (dpyinfo->kboard); | |
59e755be KH |
5758 | if (!EQ (XSYMBOL (Qvendor_specific_keysyms)->function, Qunbound)) |
5759 | { | |
5760 | char *vendor = ServerVendor (dpy); | |
5761 | dpyinfo->kboard->Vsystem_key_alist | |
5762 | = call1 (Qvendor_specific_keysyms, | |
5763 | build_string (vendor ? vendor : "")); | |
5764 | } | |
5765 | ||
29b38361 KH |
5766 | dpyinfo->kboard->next_kboard = all_kboards; |
5767 | all_kboards = dpyinfo->kboard; | |
0ad5446c KH |
5768 | /* Don't let the initial kboard remain current longer than necessary. |
5769 | That would cause problems if a file loaded on startup tries to | |
5770 | prompt in the minibuffer. */ | |
5771 | if (current_kboard == initial_kboard) | |
5772 | current_kboard = dpyinfo->kboard; | |
29b38361 KH |
5773 | } |
5774 | dpyinfo->kboard->reference_count++; | |
5775 | } | |
b9737ad3 KH |
5776 | #endif |
5777 | ||
7a13e894 RS |
5778 | /* Put this display on the chain. */ |
5779 | dpyinfo->next = x_display_list; | |
5780 | x_display_list = dpyinfo; | |
5781 | ||
5782 | /* Put it on x_display_name_list as well, to keep them parallel. */ | |
5783 | x_display_name_list = Fcons (Fcons (display_name, Qnil), | |
5784 | x_display_name_list); | |
5785 | dpyinfo->name_list_element = XCONS (x_display_name_list)->car; | |
5786 | ||
5787 | dpyinfo->display = dpy; | |
dc6f92b8 | 5788 | |
dc6f92b8 | 5789 | #if 0 |
7a13e894 | 5790 | XSetAfterFunction (x_current_display, x_trace_wire); |
c118dd06 | 5791 | #endif /* ! 0 */ |
7a13e894 RS |
5792 | |
5793 | dpyinfo->x_id_name | |
5794 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size | |
5795 | + XSTRING (Vsystem_name)->size | |
5796 | + 2); | |
5797 | sprintf (dpyinfo->x_id_name, "%s@%s", | |
5798 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
28430d3c JB |
5799 | |
5800 | /* Figure out which modifier bits mean what. */ | |
334208b7 | 5801 | x_find_modifier_meanings (dpyinfo); |
f451eb13 | 5802 | |
ab648270 | 5803 | /* Get the scroll bar cursor. */ |
7a13e894 | 5804 | dpyinfo->vertical_scroll_bar_cursor |
334208b7 | 5805 | = XCreateFontCursor (dpyinfo->display, XC_sb_v_double_arrow); |
f451eb13 | 5806 | |
334208b7 RS |
5807 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
5808 | resource_name, EMACS_CLASS); | |
5809 | #ifdef HAVE_XRMSETDATABASE | |
5810 | XrmSetDatabase (dpyinfo->display, xrdb); | |
5811 | #else | |
5812 | dpyinfo->display->db = xrdb; | |
5813 | #endif | |
547d9db8 | 5814 | /* Put the rdb where we can find it in a way that works on |
7a13e894 RS |
5815 | all versions. */ |
5816 | dpyinfo->xrdb = xrdb; | |
334208b7 RS |
5817 | |
5818 | dpyinfo->screen = ScreenOfDisplay (dpyinfo->display, | |
5819 | DefaultScreen (dpyinfo->display)); | |
5820 | dpyinfo->visual = select_visual (dpyinfo->display, dpyinfo->screen, | |
5821 | &dpyinfo->n_planes); | |
5822 | dpyinfo->height = HeightOfScreen (dpyinfo->screen); | |
5823 | dpyinfo->width = WidthOfScreen (dpyinfo->screen); | |
5824 | dpyinfo->root_window = RootWindowOfScreen (dpyinfo->screen); | |
5825 | dpyinfo->grabbed = 0; | |
5826 | dpyinfo->reference_count = 0; | |
5827 | dpyinfo->icon_bitmap_id = -1; | |
7a13e894 RS |
5828 | dpyinfo->n_fonts = 0; |
5829 | dpyinfo->font_table_size = 0; | |
5830 | dpyinfo->bitmaps = 0; | |
5831 | dpyinfo->bitmaps_size = 0; | |
5832 | dpyinfo->bitmaps_last = 0; | |
5833 | dpyinfo->scratch_cursor_gc = 0; | |
5834 | dpyinfo->mouse_face_mouse_frame = 0; | |
5835 | dpyinfo->mouse_face_deferred_gc = 0; | |
5836 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
5837 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
5838 | dpyinfo->mouse_face_face_id = 0; | |
5839 | dpyinfo->mouse_face_window = Qnil; | |
5840 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; | |
5841 | dpyinfo->mouse_face_defer = 0; | |
0f941935 KH |
5842 | dpyinfo->x_focus_frame = 0; |
5843 | dpyinfo->x_focus_event_frame = 0; | |
5844 | dpyinfo->x_highlight_frame = 0; | |
334208b7 RS |
5845 | |
5846 | dpyinfo->Xatom_wm_protocols | |
5847 | = XInternAtom (dpyinfo->display, "WM_PROTOCOLS", False); | |
5848 | dpyinfo->Xatom_wm_take_focus | |
5849 | = XInternAtom (dpyinfo->display, "WM_TAKE_FOCUS", False); | |
5850 | dpyinfo->Xatom_wm_save_yourself | |
5851 | = XInternAtom (dpyinfo->display, "WM_SAVE_YOURSELF", False); | |
5852 | dpyinfo->Xatom_wm_delete_window | |
5853 | = XInternAtom (dpyinfo->display, "WM_DELETE_WINDOW", False); | |
5854 | dpyinfo->Xatom_wm_change_state | |
5855 | = XInternAtom (dpyinfo->display, "WM_CHANGE_STATE", False); | |
5856 | dpyinfo->Xatom_wm_configure_denied | |
5857 | = XInternAtom (dpyinfo->display, "WM_CONFIGURE_DENIED", False); | |
5858 | dpyinfo->Xatom_wm_window_moved | |
5859 | = XInternAtom (dpyinfo->display, "WM_MOVED", False); | |
5860 | dpyinfo->Xatom_editres | |
5861 | = XInternAtom (dpyinfo->display, "Editres", False); | |
5862 | dpyinfo->Xatom_CLIPBOARD | |
5863 | = XInternAtom (dpyinfo->display, "CLIPBOARD", False); | |
5864 | dpyinfo->Xatom_TIMESTAMP | |
5865 | = XInternAtom (dpyinfo->display, "TIMESTAMP", False); | |
5866 | dpyinfo->Xatom_TEXT | |
5867 | = XInternAtom (dpyinfo->display, "TEXT", False); | |
5868 | dpyinfo->Xatom_DELETE | |
5869 | = XInternAtom (dpyinfo->display, "DELETE", False); | |
5870 | dpyinfo->Xatom_MULTIPLE | |
5871 | = XInternAtom (dpyinfo->display, "MULTIPLE", False); | |
5872 | dpyinfo->Xatom_INCR | |
5873 | = XInternAtom (dpyinfo->display, "INCR", False); | |
5874 | dpyinfo->Xatom_EMACS_TMP | |
5875 | = XInternAtom (dpyinfo->display, "_EMACS_TMP_", False); | |
5876 | dpyinfo->Xatom_TARGETS | |
5877 | = XInternAtom (dpyinfo->display, "TARGETS", False); | |
5878 | dpyinfo->Xatom_NULL | |
5879 | = XInternAtom (dpyinfo->display, "NULL", False); | |
5880 | dpyinfo->Xatom_ATOM_PAIR | |
5881 | = XInternAtom (dpyinfo->display, "ATOM_PAIR", False); | |
5882 | ||
547d9db8 KH |
5883 | dpyinfo->cut_buffers_initialized = 0; |
5884 | ||
334208b7 RS |
5885 | connection = ConnectionNumber (dpyinfo->display); |
5886 | dpyinfo->connection = connection; | |
5887 | ||
87485d6f MW |
5888 | #ifdef subprocesses |
5889 | /* This is only needed for distinguishing keyboard and process input. */ | |
334208b7 | 5890 | if (connection != 0) |
7a13e894 | 5891 | add_keyboard_wait_descriptor (connection); |
87485d6f | 5892 | #endif |
6d4238f3 | 5893 | |
041b69ac | 5894 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 5895 | #ifdef F_SETOWN |
dc6f92b8 | 5896 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 | 5897 | /* stdin is a socket here */ |
334208b7 | 5898 | fcntl (connection, F_SETOWN, -getpid ()); |
c118dd06 | 5899 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
334208b7 | 5900 | fcntl (connection, F_SETOWN, getpid ()); |
c118dd06 JB |
5901 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
5902 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 5903 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
5904 | |
5905 | #ifdef SIGIO | |
eee20f6a KH |
5906 | if (interrupt_input) |
5907 | init_sigio (connection); | |
c118dd06 | 5908 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 5909 | |
60439948 KH |
5910 | UNBLOCK_INPUT; |
5911 | ||
7a13e894 RS |
5912 | return dpyinfo; |
5913 | } | |
5914 | \f | |
5915 | /* Get rid of display DPYINFO, assuming all frames are already gone, | |
5916 | and without sending any more commands to the X server. */ | |
dc6f92b8 | 5917 | |
7a13e894 RS |
5918 | void |
5919 | x_delete_display (dpyinfo) | |
5920 | struct x_display_info *dpyinfo; | |
5921 | { | |
5922 | delete_keyboard_wait_descriptor (dpyinfo->connection); | |
5923 | ||
5924 | /* Discard this display from x_display_name_list and x_display_list. | |
5925 | We can't use Fdelq because that can quit. */ | |
5926 | if (! NILP (x_display_name_list) | |
5927 | && EQ (XCONS (x_display_name_list)->car, dpyinfo->name_list_element)) | |
5928 | x_display_name_list = XCONS (x_display_name_list)->cdr; | |
5929 | else | |
5930 | { | |
5931 | Lisp_Object tail; | |
5932 | ||
5933 | tail = x_display_name_list; | |
5934 | while (CONSP (tail) && CONSP (XCONS (tail)->cdr)) | |
5935 | { | |
5936 | if (EQ (XCONS (XCONS (tail)->cdr)->car, | |
5937 | dpyinfo->name_list_element)) | |
5938 | { | |
5939 | XCONS (tail)->cdr = XCONS (XCONS (tail)->cdr)->cdr; | |
5940 | break; | |
5941 | } | |
5942 | tail = XCONS (tail)->cdr; | |
5943 | } | |
5944 | } | |
5945 | ||
5946 | if (x_display_list == dpyinfo) | |
5947 | x_display_list = dpyinfo->next; | |
7f9c7f94 RS |
5948 | else |
5949 | { | |
5950 | struct x_display_info *tail; | |
7a13e894 | 5951 | |
7f9c7f94 RS |
5952 | for (tail = x_display_list; tail; tail = tail->next) |
5953 | if (tail->next == dpyinfo) | |
5954 | tail->next = tail->next->next; | |
5955 | } | |
7a13e894 | 5956 | |
7f9c7f94 RS |
5957 | #ifndef USE_X_TOOLKIT |
5958 | /* I'm told Xt does this itself. */ | |
5959 | XrmDestroyDatabase (dpyinfo->xrdb); | |
5960 | #endif | |
29b38361 KH |
5961 | #ifdef MULTI_KBOARD |
5962 | if (--dpyinfo->kboard->reference_count == 0) | |
39f79001 | 5963 | delete_kboard (dpyinfo->kboard); |
b9737ad3 KH |
5964 | #endif |
5965 | xfree (dpyinfo->font_table); | |
5966 | xfree (dpyinfo->x_id_name); | |
5967 | xfree (dpyinfo); | |
7a13e894 RS |
5968 | } |
5969 | \f | |
5970 | /* Set up use of X before we make the first connection. */ | |
5971 | ||
5972 | x_initialize () | |
5973 | { | |
f676886a | 5974 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
5975 | clear_end_of_line_hook = XTclear_end_of_line; |
5976 | ins_del_lines_hook = XTins_del_lines; | |
5977 | change_line_highlight_hook = XTchange_line_highlight; | |
5978 | insert_glyphs_hook = XTinsert_glyphs; | |
5979 | write_glyphs_hook = XTwrite_glyphs; | |
5980 | delete_glyphs_hook = XTdelete_glyphs; | |
5981 | ring_bell_hook = XTring_bell; | |
5982 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
5983 | set_terminal_modes_hook = XTset_terminal_modes; | |
5984 | update_begin_hook = XTupdate_begin; | |
5985 | update_end_hook = XTupdate_end; | |
5986 | set_terminal_window_hook = XTset_terminal_window; | |
5987 | read_socket_hook = XTread_socket; | |
b8009dd1 | 5988 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
5989 | cursor_to_hook = XTcursor_to; |
5990 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 5991 | mouse_position_hook = XTmouse_position; |
f451eb13 | 5992 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 5993 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
5994 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
5995 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
5996 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
5997 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
58769bee | 5998 | |
f676886a | 5999 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
6000 | char_ins_del_ok = 0; /* just as fast to write the line */ |
6001 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
6002 | fast_clear_end_of_line = 1; /* X does this well */ | |
58769bee | 6003 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
6004 | off the bottom */ |
6005 | baud_rate = 19200; | |
6006 | ||
7a13e894 RS |
6007 | x_noop_count = 0; |
6008 | ||
b30b24cb RS |
6009 | /* Try to use interrupt input; if we can't, then start polling. */ |
6010 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
6011 | ||
7f9c7f94 RS |
6012 | #ifdef USE_X_TOOLKIT |
6013 | XtToolkitInitialize (); | |
6014 | Xt_app_con = XtCreateApplicationContext (); | |
6015 | #endif | |
6016 | ||
58769bee | 6017 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 6018 | original error handler. */ |
334208b7 RS |
6019 | XSetErrorHandler (x_error_quitter); |
6020 | XSetIOErrorHandler (x_io_error_quitter); | |
dc6f92b8 JB |
6021 | |
6022 | /* Disable Window Change signals; they are handled by X events. */ | |
6023 | #ifdef SIGWINCH | |
6024 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 6025 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 6026 | |
92e2441b | 6027 | signal (SIGPIPE, x_connection_signal); |
dc6f92b8 | 6028 | } |
55123275 JB |
6029 | |
6030 | void | |
6031 | syms_of_xterm () | |
6032 | { | |
7a13e894 RS |
6033 | staticpro (&x_display_name_list); |
6034 | x_display_name_list = Qnil; | |
334208b7 | 6035 | |
ab648270 | 6036 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 6037 | last_mouse_scroll_bar = Qnil; |
59e755be KH |
6038 | |
6039 | staticpro (&Qvendor_specific_keysyms); | |
6040 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
55123275 | 6041 | } |
c118dd06 | 6042 | #endif /* ! defined (HAVE_X_WINDOWS) */ |