Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
b8009dd1 | 2 | Copyright (C) 1989, 1993, 1994 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> | |
67 | #include <sys/param.h> | |
68 | ||
7a13e894 | 69 | #include "frame.h" |
dc6f92b8 JB |
70 | #include "dispextern.h" |
71 | #include "termhooks.h" | |
72 | #include "termopts.h" | |
73 | #include "termchar.h" | |
74 | #if 0 | |
75 | #include "sink.h" | |
76 | #include "sinkmask.h" | |
c118dd06 | 77 | #endif /* ! 0 */ |
dc6f92b8 | 78 | #include "gnu.h" |
dc6f92b8 | 79 | #include "disptab.h" |
dc6f92b8 | 80 | #include "buffer.h" |
f451eb13 | 81 | #include "window.h" |
3b2fa4e6 | 82 | #include "keyboard.h" |
bde7c500 | 83 | #include "intervals.h" |
dc6f92b8 | 84 | |
3afe33e7 | 85 | #ifdef USE_X_TOOLKIT |
9d7e2e3e | 86 | extern void free_frame_menubar (); |
c2df547c | 87 | extern void _XEditResCheckMessages (); |
3afe33e7 RS |
88 | #endif /* USE_X_TOOLKIT */ |
89 | ||
b849c413 RS |
90 | #ifndef USE_X_TOOLKIT |
91 | #define x_any_window_to_frame x_window_to_frame | |
5627c40e | 92 | #define x_top_window_to_frame x_window_to_frame |
b849c413 RS |
93 | #endif |
94 | ||
546e6d5b RS |
95 | #ifdef USE_X_TOOLKIT |
96 | #ifndef XtNinitialState | |
97 | #define XtNinitialState "initialState" | |
98 | #endif | |
99 | #endif | |
100 | ||
dc6f92b8 JB |
101 | #define min(a,b) ((a)<(b) ? (a) : (b)) |
102 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 103 | \f |
334208b7 RS |
104 | /* This is a chain of structures for all the X displays currently in use. */ |
105 | struct x_display_info *x_display_list; | |
dc6f92b8 | 106 | |
7a13e894 RS |
107 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), |
108 | one for each element of x_display_list and in the same order. | |
109 | NAME is the name of the frame. | |
110 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
111 | Lisp_Object x_display_name_list; | |
f451eb13 | 112 | |
987d2ad1 | 113 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 114 | This is set by update_begin and looked at by all the |
dc6f92b8 | 115 | XT functions. It is zero while not inside an update. |
f676886a JB |
116 | In that case, the XT functions assume that `selected_frame' |
117 | is the frame to apply to. */ | |
d0386f2a | 118 | extern struct frame *updating_frame; |
dc6f92b8 | 119 | |
f676886a | 120 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
121 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
122 | that a mere EnterNotify event can set this; if you need to know the | |
123 | last frame specified in a FocusIn or FocusOut event, use | |
124 | x_focus_event_frame. */ | |
f676886a | 125 | struct frame *x_focus_frame; |
dc6f92b8 | 126 | |
0134a210 RS |
127 | /* This is a frame waiting to be autoraised, within XTread_socket. */ |
128 | struct frame *pending_autoraise_frame; | |
129 | ||
f451eb13 JB |
130 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
131 | separate from x_focus_frame, because whether or not LeaveNotify | |
132 | events cause us to lose focus depends on whether or not we have | |
133 | received a FocusIn event for it. */ | |
134 | struct frame *x_focus_event_frame; | |
135 | ||
f676886a JB |
136 | /* The frame which currently has the visual highlight, and should get |
137 | keyboard input (other sorts of input have the frame encoded in the | |
138 | event). It points to the X focus frame's selected window's | |
139 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 140 | minibuffer. */ |
f676886a | 141 | static struct frame *x_highlight_frame; |
6d4238f3 | 142 | |
7f9c7f94 RS |
143 | #ifdef USE_X_TOOLKIT |
144 | /* The application context for Xt use. */ | |
145 | XtAppContext Xt_app_con; | |
146 | #endif | |
147 | ||
dc6f92b8 JB |
148 | /* During an update, maximum vpos for ins/del line operations to affect. */ |
149 | ||
150 | static int flexlines; | |
151 | ||
152 | /* During an update, nonzero if chars output now should be highlighted. */ | |
153 | ||
154 | static int highlight; | |
155 | ||
156 | /* Nominal cursor position -- where to draw output. | |
157 | During an update, these are different from the cursor-box position. */ | |
158 | ||
159 | static int curs_x; | |
160 | static int curs_y; | |
161 | ||
69388238 RS |
162 | /* Mouse movement. |
163 | ||
164 | In order to avoid asking for motion events and then throwing most | |
165 | of them away or busy-polling the server for mouse positions, we ask | |
166 | the server for pointer motion hints. This means that we get only | |
167 | one event per group of mouse movements. "Groups" are delimited by | |
168 | other kinds of events (focus changes and button clicks, for | |
169 | example), or by XQueryPointer calls; when one of these happens, we | |
170 | get another MotionNotify event the next time the mouse moves. This | |
171 | is at least as efficient as getting motion events when mouse | |
172 | tracking is on, and I suspect only negligibly worse when tracking | |
173 | is off. | |
174 | ||
175 | The silly O'Reilly & Associates Nutshell guides barely document | |
176 | pointer motion hints at all (I think you have to infer how they | |
177 | work from an example), and the description of XQueryPointer doesn't | |
178 | mention that calling it causes you to get another motion hint from | |
179 | the server, which is very important. */ | |
180 | ||
181 | /* Where the mouse was last time we reported a mouse event. */ | |
182 | static FRAME_PTR last_mouse_frame; | |
183 | static XRectangle last_mouse_glyph; | |
184 | ||
185 | /* The scroll bar in which the last X motion event occurred. | |
186 | ||
187 | If the last X motion event occurred in a scroll bar, we set this | |
188 | so XTmouse_position can know whether to report a scroll bar motion or | |
189 | an ordinary motion. | |
190 | ||
191 | If the last X motion event didn't occur in a scroll bar, we set this | |
192 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
193 | static Lisp_Object last_mouse_scroll_bar; | |
194 | ||
69388238 RS |
195 | /* This is a hack. We would really prefer that XTmouse_position would |
196 | return the time associated with the position it returns, but there | |
197 | doesn't seem to be any way to wrest the timestamp from the server | |
198 | along with the position query. So, we just keep track of the time | |
199 | of the last movement we received, and return that in hopes that | |
200 | it's somewhat accurate. */ | |
201 | static Time last_mouse_movement_time; | |
202 | ||
c0a04927 RS |
203 | /* Incremented by XTread_socket whenever it really tries to read events. */ |
204 | #ifdef __STDC__ | |
205 | static int volatile input_signal_count; | |
206 | #else | |
207 | static int input_signal_count; | |
208 | #endif | |
209 | ||
7a13e894 RS |
210 | /* Used locally within XTread_socket. */ |
211 | static int x_noop_count; | |
dc6f92b8 | 212 | |
7a13e894 RS |
213 | /* Initial values of argv and argc. */ |
214 | extern char **initial_argv; | |
215 | extern int initial_argc; | |
dc6f92b8 | 216 | |
7a13e894 | 217 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
dc6f92b8 | 218 | |
7a13e894 RS |
219 | /* Tells if a window manager is present or not. */ |
220 | ||
221 | extern Lisp_Object Vx_no_window_manager; | |
dc6f92b8 JB |
222 | |
223 | /* Nonzero enables some debugging for the X interface code. */ | |
224 | extern int _Xdebug; | |
225 | ||
c2df547c | 226 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 227 | |
dc6f92b8 JB |
228 | extern int errno; |
229 | ||
dfeccd2d | 230 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
231 | extern int extra_keyboard_modifiers; |
232 | ||
334208b7 | 233 | extern XrmDatabase x_load_resources (); |
dc6f92b8 | 234 | |
7a13e894 RS |
235 | void x_delete_display (); |
236 | ||
dc6f92b8 | 237 | static void flashback (); |
c83febd7 | 238 | static void redraw_previous_char (); |
0cdd0c9f | 239 | static void redraw_following_char (); |
3afe33e7 | 240 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 241 | |
55836b73 | 242 | static int fast_find_position (); |
b8009dd1 RS |
243 | static void note_mouse_highlight (); |
244 | static void clear_mouse_face (); | |
245 | static void show_mouse_face (); | |
58769bee | 246 | static void do_line_dance (); |
b8009dd1 | 247 | |
4746118a JB |
248 | static int XTcursor_to (); |
249 | static int XTclear_end_of_line (); | |
7a13e894 | 250 | static int x_io_error_quitter (); |
334208b7 RS |
251 | \f |
252 | /* Return the struct x_display_info corresponding to DPY. */ | |
253 | ||
254 | struct x_display_info * | |
255 | x_display_info_for_display (dpy) | |
256 | Display *dpy; | |
257 | { | |
258 | struct x_display_info *dpyinfo; | |
259 | ||
260 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
261 | if (dpyinfo->display == dpy) | |
262 | return dpyinfo; | |
16bd92ea | 263 | |
334208b7 RS |
264 | return 0; |
265 | } | |
16bd92ea | 266 | \f |
58769bee | 267 | /* Starting and ending updates. |
f451eb13 JB |
268 | |
269 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
270 | of a frame update. We record in `updating_frame' the identity |
271 | of the frame being updated, so that the XT... functions do not | |
272 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 273 | should never be called except during an update, the only exceptions |
c83febd7 | 274 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 | 275 | |
dc6f92b8 | 276 | static |
f676886a JB |
277 | XTupdate_begin (f) |
278 | struct frame *f; | |
58769bee | 279 | { |
dc6f92b8 JB |
280 | int mask; |
281 | ||
f676886a | 282 | if (f == 0) |
dc6f92b8 JB |
283 | abort (); |
284 | ||
f676886a | 285 | flexlines = f->height; |
dc6f92b8 JB |
286 | highlight = 0; |
287 | ||
dc6f92b8 | 288 | BLOCK_INPUT; |
b8009dd1 | 289 | |
7a13e894 | 290 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
b8009dd1 | 291 | { |
514e4681 | 292 | /* Don't do highlighting for mouse motion during the update. */ |
7a13e894 RS |
293 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 1; |
294 | if (!NILP (FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) | |
514e4681 RS |
295 | { |
296 | int firstline, lastline, i; | |
7a13e894 | 297 | struct window *w = XWINDOW (FRAME_X_DISPLAY_INFO (f)->mouse_face_window); |
514e4681 RS |
298 | |
299 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
300 | for (firstline = 0; firstline < f->height; firstline++) | |
301 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
302 | break; | |
303 | ||
304 | lastline = f->height; | |
305 | for (i = f->height - 1; i >= 0; i--) | |
306 | { | |
307 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
308 | break; | |
309 | else | |
310 | lastline = i; | |
311 | } | |
312 | ||
313 | /* Can we tell that this update does not affect the window | |
314 | where the mouse highlight is? If so, no need to turn off. */ | |
315 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
316 | || lastline < XFASTINT (w->top))) | |
317 | /* Otherwise turn off the mouse highlight now. */ | |
7a13e894 | 318 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
514e4681 | 319 | } |
b8009dd1 | 320 | } |
6ccf47d1 | 321 | |
dc6f92b8 JB |
322 | UNBLOCK_INPUT; |
323 | } | |
324 | ||
dc6f92b8 | 325 | static |
f676886a JB |
326 | XTupdate_end (f) |
327 | struct frame *f; | |
58769bee | 328 | { |
dc6f92b8 JB |
329 | int mask; |
330 | ||
dc6f92b8 | 331 | BLOCK_INPUT; |
dc6f92b8 | 332 | |
58769bee | 333 | do_line_dance (); |
f676886a | 334 | x_display_cursor (f, 1); |
dc6f92b8 | 335 | |
7a13e894 RS |
336 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
337 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
b8009dd1 RS |
338 | #if 0 |
339 | /* This fails in the case of having updated only the echo area | |
340 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
341 | has no relation to the current contents, and its charstarts | |
342 | have no relation to the contents of the window-buffer. | |
343 | I don't know a clean way to check | |
344 | for that case. window_end_valid isn't set up yet. */ | |
7a13e894 RS |
345 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
346 | note_mouse_highlight (f, FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
347 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
b8009dd1 RS |
348 | #endif |
349 | ||
334208b7 | 350 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
351 | UNBLOCK_INPUT; |
352 | } | |
b8009dd1 | 353 | |
514e4681 | 354 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
355 | |
356 | static | |
357 | XTframe_up_to_date (f) | |
358 | FRAME_PTR f; | |
359 | { | |
7a13e894 RS |
360 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc |
361 | || f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) | |
514e4681 | 362 | { |
7a13e894 RS |
363 | note_mouse_highlight (FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame, |
364 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
365 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
366 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0; | |
514e4681 | 367 | } |
b8009dd1 | 368 | } |
dc6f92b8 JB |
369 | \f |
370 | /* External interface to control of standout mode. | |
371 | Call this when about to modify line at position VPOS | |
372 | and not change whether it is highlighted. */ | |
373 | ||
374 | XTreassert_line_highlight (new, vpos) | |
375 | int new, vpos; | |
376 | { | |
377 | highlight = new; | |
378 | } | |
379 | ||
380 | /* Call this when about to modify line at position VPOS | |
381 | and change whether it is highlighted. */ | |
382 | ||
383 | static | |
384 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
385 | int new_highlight, vpos, first_unused_hpos; | |
386 | { | |
387 | highlight = new_highlight; | |
388 | XTcursor_to (vpos, 0); | |
f676886a | 389 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
390 | } |
391 | ||
392 | /* This is used when starting Emacs and when restarting after suspend. | |
393 | When starting Emacs, no X window is mapped. And nothing must be done | |
394 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
395 | ||
396 | static | |
397 | XTset_terminal_modes () | |
398 | { | |
399 | } | |
400 | ||
401 | /* This is called when exiting or suspending Emacs. | |
402 | Exiting will make the X-windows go away, and suspending | |
403 | requires no action. */ | |
404 | ||
405 | static | |
406 | XTreset_terminal_modes () | |
407 | { | |
f676886a | 408 | /* XTclear_frame (); */ |
dc6f92b8 JB |
409 | } |
410 | \f | |
f451eb13 JB |
411 | /* Set the nominal cursor position of the frame. |
412 | This is where display update commands will take effect. | |
dc6f92b8 JB |
413 | This does not affect the place where the cursor-box is displayed. */ |
414 | ||
4746118a | 415 | static int |
dc6f92b8 JB |
416 | XTcursor_to (row, col) |
417 | register int row, col; | |
418 | { | |
419 | int mask; | |
420 | int orow = row; | |
421 | ||
422 | curs_x = col; | |
423 | curs_y = row; | |
424 | ||
f676886a | 425 | if (updating_frame == 0) |
dc6f92b8 JB |
426 | { |
427 | BLOCK_INPUT; | |
f676886a | 428 | x_display_cursor (selected_frame, 1); |
334208b7 | 429 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
430 | UNBLOCK_INPUT; |
431 | } | |
432 | } | |
433 | \f | |
434 | /* Display a sequence of N glyphs found at GP. | |
435 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
436 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
437 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
438 | JUST_FOREGROUND if 1 means draw only the foreground; |
439 | don't alter the background. | |
dc6f92b8 | 440 | |
07e34cb0 | 441 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 442 | |
07e34cb0 JB |
443 | Since the display generation code is responsible for calling |
444 | compute_char_face and compute_glyph_face on everything it puts in | |
445 | the display structure, we can assume that the face code on each | |
28f72798 | 446 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
447 | to which we can actually apply intern_face. |
448 | Call this function with input blocked. */ | |
dc6f92b8 | 449 | |
07e34cb0 JB |
450 | #if 1 |
451 | /* This is the multi-face code. */ | |
dc6f92b8 | 452 | |
dc6f92b8 | 453 | static void |
0cdd0c9f | 454 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 455 | struct frame *f; |
dc6f92b8 JB |
456 | int left, top; |
457 | register GLYPH *gp; /* Points to first GLYPH. */ | |
458 | register int n; /* Number of glyphs to display. */ | |
459 | int hl; | |
0cdd0c9f | 460 | int just_foreground; |
dc6f92b8 | 461 | { |
07e34cb0 JB |
462 | /* Holds characters to be displayed. */ |
463 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
464 | register char *cp; /* Steps through buf[]. */ |
465 | register int tlen = GLYPH_TABLE_LENGTH; | |
466 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 467 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 468 | int orig_left = left; |
dc6f92b8 | 469 | |
07e34cb0 | 470 | while (n > 0) |
dc6f92b8 JB |
471 | { |
472 | /* Get the face-code of the next GLYPH. */ | |
473 | int cf, len; | |
474 | int g = *gp; | |
475 | ||
07e34cb0 | 476 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 477 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
478 | |
479 | /* Find the run of consecutive glyphs with the same face-code. | |
480 | Extract their character codes into BUF. */ | |
481 | cp = buf; | |
482 | while (n > 0) | |
483 | { | |
484 | g = *gp; | |
07e34cb0 | 485 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 486 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
487 | break; |
488 | ||
6f63ba79 | 489 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
490 | --n; |
491 | ++gp; | |
492 | } | |
493 | ||
494 | /* LEN gets the length of the run. */ | |
495 | len = cp - buf; | |
496 | ||
497 | /* Now output this run of chars, with the font and pixel values | |
498 | determined by the face code CF. */ | |
07e34cb0 JB |
499 | { |
500 | struct face *face = FRAME_DEFAULT_FACE (f); | |
334208b7 | 501 | XFontStruct *font = FACE_FONT (face); |
07e34cb0 | 502 | GC gc = FACE_GC (face); |
990ba854 | 503 | int stippled = 0; |
07e34cb0 | 504 | |
b8009dd1 RS |
505 | /* HL = 3 means use a mouse face previously chosen. */ |
506 | if (hl == 3) | |
7a13e894 | 507 | cf = FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id; |
b8009dd1 | 508 | |
b73b6aaf RS |
509 | /* First look at the face of the text itself. */ |
510 | if (cf != 0) | |
07e34cb0 | 511 | { |
a07d4bc5 RS |
512 | /* It's possible for the display table to specify |
513 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
514 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
515 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 516 | cf = 0; |
07e34cb0 JB |
517 | |
518 | if (cf == 1) | |
519 | face = FRAME_MODE_LINE_FACE (f); | |
520 | else | |
28f72798 | 521 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
522 | font = FACE_FONT (face); |
523 | gc = FACE_GC (face); | |
990ba854 RS |
524 | if (FACE_STIPPLE (face)) |
525 | stippled = 1; | |
07e34cb0 | 526 | } |
4a4dc352 JB |
527 | |
528 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
529 | else if (hl == 0) |
530 | ; | |
531 | else if (hl == 1) | |
532 | { | |
533 | face = FRAME_MODE_LINE_FACE (f); | |
534 | font = FACE_FONT (face); | |
535 | gc = FACE_GC (face); | |
990ba854 RS |
536 | if (FACE_STIPPLE (face)) |
537 | stippled = 1; | |
b73b6aaf RS |
538 | } |
539 | ||
540 | #define FACE_DEFAULT (~0) | |
541 | ||
542 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 543 | if (hl == 2) |
b73b6aaf | 544 | { |
990ba854 RS |
545 | /* The cursor overrides stippling. */ |
546 | stippled = 0; | |
547 | ||
11dd3d61 RS |
548 | if ((!face->font |
549 | || (int) face->font == FACE_DEFAULT | |
550 | || face->font == f->display.x->font) | |
551 | && face->background == f->display.x->background_pixel | |
552 | && face->foreground == f->display.x->foreground_pixel) | |
b5cf7a0e JB |
553 | { |
554 | gc = f->display.x->cursor_gc; | |
555 | } | |
556 | /* Cursor on non-default face: must merge. */ | |
557 | else | |
558 | { | |
559 | XGCValues xgcv; | |
560 | unsigned long mask; | |
561 | ||
562 | xgcv.background = f->display.x->cursor_pixel; | |
11dd3d61 | 563 | xgcv.foreground = face->background; |
df5a440b RS |
564 | /* If the glyph would be invisible, |
565 | try a different foreground. */ | |
566 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 567 | xgcv.foreground = face->foreground; |
df5a440b RS |
568 | if (xgcv.foreground == xgcv.background) |
569 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
570 | if (xgcv.foreground == xgcv.background) | |
571 | xgcv.foreground = face->foreground; | |
572 | /* Make sure the cursor is distinct from text in this face. */ | |
573 | if (xgcv.background == face->background | |
574 | && xgcv.foreground == face->foreground) | |
575 | { | |
576 | xgcv.background = face->foreground; | |
577 | xgcv.foreground = face->background; | |
578 | } | |
b5cf7a0e JB |
579 | xgcv.font = face->font->fid; |
580 | xgcv.graphics_exposures = 0; | |
581 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
7a13e894 RS |
582 | if (FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc) |
583 | XChangeGC (FRAME_X_DISPLAY (f), | |
584 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc, | |
585 | mask, &xgcv); | |
11dd3d61 | 586 | else |
7a13e894 | 587 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc |
334208b7 | 588 | = XCreateGC (FRAME_X_DISPLAY (f), window, mask, &xgcv); |
7a13e894 | 589 | gc = FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc; |
b73b6aaf | 590 | #if 0 |
11dd3d61 RS |
591 | /* If this code is restored, it must also reset to the default stipple |
592 | if necessary. */ | |
b5cf7a0e | 593 | if (face->stipple && face->stipple != FACE_DEFAULT) |
334208b7 | 594 | XSetStipple (FRAME_X_DISPLAY (f), gc, face->stipple); |
b73b6aaf | 595 | #endif |
b5cf7a0e | 596 | } |
07e34cb0 | 597 | } |
07e34cb0 | 598 | |
b5cf7a0e JB |
599 | if ((int) font == FACE_DEFAULT) |
600 | font = f->display.x->font; | |
601 | ||
0cdd0c9f | 602 | if (just_foreground) |
334208b7 | 603 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
0cdd0c9f RS |
604 | left, top + FONT_BASE (font), buf, len); |
605 | else | |
606 | { | |
990ba854 RS |
607 | if (stippled) |
608 | { | |
609 | /* Turn stipple on. */ | |
610 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillOpaqueStippled); | |
611 | ||
612 | /* Draw stipple on background. */ | |
334208b7 | 613 | XFillRectangle (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
614 | left, top, |
615 | FONT_WIDTH (font) * len, | |
616 | FONT_HEIGHT (font)); | |
617 | ||
618 | /* Turn stipple off. */ | |
619 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillSolid); | |
620 | ||
621 | /* Draw the text, solidly, onto the stipple pattern. */ | |
334208b7 | 622 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
623 | left, top + FONT_BASE (font), buf, len); |
624 | } | |
625 | else | |
334208b7 | 626 | XDrawImageString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
627 | left, top + FONT_BASE (font), buf, len); |
628 | ||
0cdd0c9f RS |
629 | /* Clear the rest of the line's height. */ |
630 | if (f->display.x->line_height != FONT_HEIGHT (font)) | |
334208b7 | 631 | XClearArea (FRAME_X_DISPLAY (f), window, left, |
0cdd0c9f RS |
632 | top + FONT_HEIGHT (font), |
633 | FONT_WIDTH (font) * len, | |
634 | /* This is how many pixels of height | |
635 | we have to clear. */ | |
636 | f->display.x->line_height - FONT_HEIGHT (font), | |
637 | False); | |
638 | } | |
639 | ||
640 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
641 | which often is not up to date yet. */ | |
642 | if (!just_foreground) | |
643 | { | |
644 | if (left == orig_left) | |
645 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
646 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
647 | if (n == 0) | |
648 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
649 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
650 | } | |
651 | #endif | |
07e34cb0 JB |
652 | |
653 | /* We should probably check for XA_UNDERLINE_POSITION and | |
654 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
655 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 656 | { |
4a4dc352 | 657 | int underline_position = 1; |
07e34cb0 | 658 | |
4a4dc352 JB |
659 | if (font->descent <= underline_position) |
660 | underline_position = font->descent - 1; | |
07e34cb0 JB |
661 | |
662 | if (face->underline) | |
334208b7 | 663 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
07e34cb0 JB |
664 | FACE_GC (face), |
665 | left, (top | |
666 | + FONT_BASE (font) | |
667 | + underline_position), | |
668 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 669 | } |
07e34cb0 JB |
670 | |
671 | left += len * FONT_WIDTH (font); | |
672 | } | |
dc6f92b8 JB |
673 | } |
674 | } | |
07e34cb0 JB |
675 | #endif /* 1 */ |
676 | ||
677 | #if 0 | |
678 | /* This is the old single-face code. */ | |
679 | ||
680 | static void | |
681 | dumpglyphs (f, left, top, gp, n, hl, font) | |
682 | struct frame *f; | |
683 | int left, top; | |
684 | register GLYPH *gp; /* Points to first GLYPH. */ | |
685 | register int n; /* Number of glyphs to display. */ | |
686 | int hl; | |
334208b7 | 687 | XFontStruct *font; |
07e34cb0 JB |
688 | { |
689 | register int len; | |
690 | Window window = FRAME_X_WINDOW (f); | |
691 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
692 | : (hl ? f->display.x->reverse_gc | |
693 | : f->display.x->normal_gc)); | |
694 | ||
695 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
334208b7 | 696 | XDrawImageString16 (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
697 | left, top + FONT_BASE (font), (XChar2b *) gp, n); |
698 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
334208b7 | 699 | XDrawImageString (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
700 | left, top + FONT_BASE (font), (char *) gp, n); |
701 | else | |
702 | /* What size of glyph ARE you using? And does X have a function to | |
703 | draw them? */ | |
704 | abort (); | |
705 | } | |
706 | #endif | |
dc6f92b8 | 707 | \f |
f451eb13 JB |
708 | /* Output some text at the nominal frame cursor position. |
709 | Advance the cursor over the text. | |
dc6f92b8 JB |
710 | Output LEN glyphs at START. |
711 | ||
712 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
713 | controls the pixel values used for foreground and background. */ | |
714 | ||
715 | static | |
716 | XTwrite_glyphs (start, len) | |
717 | register GLYPH *start; | |
718 | int len; | |
719 | { | |
720 | register int temp_length; | |
721 | int mask; | |
f676886a | 722 | struct frame *f; |
dc6f92b8 JB |
723 | |
724 | BLOCK_INPUT; | |
725 | ||
58769bee | 726 | do_line_dance (); |
f676886a JB |
727 | f = updating_frame; |
728 | if (f == 0) | |
dc6f92b8 | 729 | { |
f676886a | 730 | f = selected_frame; |
dc6f92b8 | 731 | /* If not within an update, |
f676886a JB |
732 | output at the frame's visible cursor. */ |
733 | curs_x = f->cursor_x; | |
734 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
735 | } |
736 | ||
f676886a | 737 | dumpglyphs (f, |
12ba150f JB |
738 | CHAR_TO_PIXEL_COL (f, curs_x), |
739 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 740 | start, len, highlight, 0); |
90e65f07 JB |
741 | |
742 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
743 | if (curs_y == f->phys_cursor_y |
744 | && curs_x <= f->phys_cursor_x | |
745 | && curs_x + len > f->phys_cursor_x) | |
746 | f->phys_cursor_x = -1; | |
58769bee | 747 | |
f676886a | 748 | if (updating_frame == 0) |
dc6f92b8 | 749 | { |
f676886a JB |
750 | f->cursor_x += len; |
751 | x_display_cursor (f, 1); | |
752 | f->cursor_x -= len; | |
dc6f92b8 JB |
753 | } |
754 | else | |
755 | curs_x += len; | |
756 | ||
757 | UNBLOCK_INPUT; | |
758 | } | |
759 | \f | |
f451eb13 JB |
760 | /* Clear to the end of the line. |
761 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
762 | to column FIRST_UNUSED (exclusive). The idea is that everything |
763 | from FIRST_UNUSED onward is already erased. */ | |
58769bee | 764 | |
4746118a | 765 | static int |
dc6f92b8 JB |
766 | XTclear_end_of_line (first_unused) |
767 | register int first_unused; | |
768 | { | |
f676886a | 769 | struct frame *f = updating_frame; |
dc6f92b8 JB |
770 | int mask; |
771 | ||
f676886a | 772 | if (f == 0) |
dc6f92b8 JB |
773 | abort (); |
774 | ||
f676886a | 775 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
776 | return; |
777 | if (first_unused <= 0) | |
778 | return; | |
779 | ||
f676886a JB |
780 | if (first_unused >= f->width) |
781 | first_unused = f->width; | |
dc6f92b8 JB |
782 | |
783 | BLOCK_INPUT; | |
784 | ||
90e65f07 | 785 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
786 | if (curs_y == f->phys_cursor_y |
787 | && curs_x <= f->phys_cursor_x | |
788 | && f->phys_cursor_x < first_unused) | |
789 | f->phys_cursor_x = -1; | |
dc6f92b8 | 790 | |
334208b7 | 791 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
12ba150f JB |
792 | CHAR_TO_PIXEL_COL (f, curs_x), |
793 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 794 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 795 | f->display.x->line_height, False); |
c83febd7 | 796 | #if 0 |
0cdd0c9f | 797 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 798 | #endif |
dc6f92b8 JB |
799 | |
800 | UNBLOCK_INPUT; | |
801 | } | |
802 | ||
0cdd0c9f RS |
803 | static |
804 | XTclear_frame () | |
805 | { | |
806 | int mask; | |
807 | struct frame *f = updating_frame; | |
808 | ||
809 | if (f == 0) | |
810 | f = selected_frame; | |
811 | ||
812 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
813 | curs_x = 0; /* Nominal cursor position is top left. */ | |
814 | curs_y = 0; | |
58769bee | 815 | |
0cdd0c9f RS |
816 | BLOCK_INPUT; |
817 | ||
334208b7 | 818 | XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0cdd0c9f RS |
819 | |
820 | /* We have to clear the scroll bars, too. If we have changed | |
821 | colors or something like that, then they should be notified. */ | |
822 | x_scroll_bar_clear (f); | |
823 | ||
334208b7 | 824 | XFlush (FRAME_X_DISPLAY (f)); |
0cdd0c9f RS |
825 | UNBLOCK_INPUT; |
826 | } | |
827 | \f | |
828 | #if 0 | |
829 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
830 | always contain the right glyphs to use. | |
831 | ||
832 | It also needs to be changed to look at the details of the font and | |
833 | see whether there is really overlap, and do nothing when there is | |
834 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
835 | but just how to use them is not clear. */ | |
836 | ||
c83febd7 RS |
837 | /* Erase the character (if any) at the position just before X, Y in frame F, |
838 | then redraw it and the character before it. | |
839 | This is necessary when we erase starting at X, | |
f94397b5 KH |
840 | in case the character after X overlaps into the one before X. |
841 | Call this function with input blocked. */ | |
c83febd7 RS |
842 | |
843 | static void | |
0cdd0c9f | 844 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
845 | FRAME_PTR f; |
846 | int x, y; | |
0cdd0c9f | 847 | int highlight_flag; |
c83febd7 RS |
848 | { |
849 | /* Erase the character before the new ones, in case | |
850 | what was here before overlaps it. | |
851 | Reoutput that character, and the previous character | |
852 | (in case the previous character overlaps it). */ | |
853 | if (x > 0) | |
854 | { | |
855 | int start_x = x - 2; | |
856 | if (start_x < 0) | |
857 | start_x = 0; | |
334208b7 | 858 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
c83febd7 RS |
859 | CHAR_TO_PIXEL_COL (f, x - 1), |
860 | CHAR_TO_PIXEL_ROW (f, y), | |
861 | FONT_WIDTH (f->display.x->font), | |
a27f9f86 | 862 | f->display.x->line_height, False); |
c83febd7 RS |
863 | |
864 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
865 | CHAR_TO_PIXEL_ROW (f, y), | |
866 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 867 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
868 | } |
869 | } | |
870 | ||
0cdd0c9f RS |
871 | /* Erase the character (if any) at the position X, Y in frame F, |
872 | then redraw it and the character after it. | |
873 | This is necessary when we erase endng at X, | |
874 | in case the character after X overlaps into the one before X. | |
875 | Call this function with input blocked. */ | |
876 | ||
877 | static void | |
878 | redraw_following_char (f, x, y, highlight_flag) | |
879 | FRAME_PTR f; | |
880 | int x, y; | |
881 | int highlight_flag; | |
dc6f92b8 | 882 | { |
0cdd0c9f RS |
883 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
884 | /* Erase the character after the new ones, in case | |
885 | what was here before overlaps it. | |
886 | Reoutput that character, and the following character | |
887 | (in case the following character overlaps it). */ | |
888 | if (x < limit | |
889 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
890 | { | |
891 | int end_x = x + 2; | |
892 | if (end_x > limit) | |
893 | end_x = limit; | |
334208b7 | 894 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
895 | CHAR_TO_PIXEL_COL (f, x), |
896 | CHAR_TO_PIXEL_ROW (f, y), | |
897 | FONT_WIDTH (f->display.x->font), | |
898 | f->display.x->line_height, False); | |
dc6f92b8 | 899 | |
0cdd0c9f RS |
900 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
901 | CHAR_TO_PIXEL_ROW (f, y), | |
902 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
903 | end_x - x, highlight_flag, 1); | |
904 | } | |
905 | } | |
906 | #endif /* 0 */ | |
907 | \f | |
908 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 909 | |
0cdd0c9f | 910 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 911 | |
0cdd0c9f RS |
912 | static int |
913 | font_char_overlap_left (font, c) | |
914 | XFontStruct *font; | |
915 | int c; | |
916 | { | |
917 | XCharStruct *s; | |
dbc4e1c1 | 918 | |
0cdd0c9f RS |
919 | /* Find the bounding-box info for C. */ |
920 | if (font->per_char == 0) | |
921 | s = &font->max_bounds; | |
922 | else | |
923 | { | |
924 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
925 | int row, within; | |
58769bee | 926 | |
0cdd0c9f RS |
927 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
928 | row = c >> 8; | |
929 | within = c & 0177; | |
930 | if (!(within >= font->min_char_or_byte2 | |
931 | && within <= font->max_char_or_byte2 | |
932 | && row >= font->min_byte1 | |
933 | && row <= font->max_byte1)) | |
934 | { | |
935 | /* If char is out of range, try the font's default char instead. */ | |
936 | c = font->default_char; | |
937 | row = c >> (INTBITS - 8); | |
938 | within = c & 0177; | |
939 | } | |
940 | if (!(within >= font->min_char_or_byte2 | |
941 | && within <= font->max_char_or_byte2 | |
942 | && row >= font->min_byte1 | |
943 | && row <= font->max_byte1)) | |
944 | /* Still out of range means this char does not overlap. */ | |
945 | return 0; | |
946 | else | |
947 | /* We found the info for this char. */ | |
948 | s = (font->per_char + (within - font->min_char_or_byte2) | |
949 | + row * rowlen); | |
950 | } | |
dbc4e1c1 | 951 | |
0cdd0c9f RS |
952 | return (s && s->lbearing < 0); |
953 | } | |
dbc4e1c1 | 954 | |
0cdd0c9f RS |
955 | /* Return 1 if character C in font F extends past its right edge. */ |
956 | ||
957 | static int | |
958 | font_char_overlap_right (font, c) | |
959 | XFontStruct *font; | |
960 | int c; | |
961 | { | |
962 | XCharStruct *s; | |
963 | ||
964 | /* Find the bounding-box info for C. */ | |
965 | if (font->per_char == 0) | |
966 | s = &font->max_bounds; | |
967 | else | |
968 | { | |
969 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
970 | int row, within; | |
58769bee | 971 | |
0cdd0c9f RS |
972 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
973 | row = c >> 8; | |
974 | within = c & 0177; | |
975 | if (!(within >= font->min_char_or_byte2 | |
976 | && within <= font->max_char_or_byte2 | |
977 | && row >= font->min_byte1 | |
978 | && row <= font->max_byte1)) | |
979 | { | |
980 | /* If char is out of range, try the font's default char instead. */ | |
981 | c = font->default_char; | |
982 | row = c >> (INTBITS - 8); | |
983 | within = c & 0177; | |
984 | } | |
985 | if (!(within >= font->min_char_or_byte2 | |
986 | && within <= font->max_char_or_byte2 | |
987 | && row >= font->min_byte1 | |
988 | && row <= font->max_byte1)) | |
989 | /* Still out of range means this char does not overlap. */ | |
990 | return 0; | |
991 | else | |
992 | /* We found the info for this char. */ | |
993 | s = (font->per_char + (within - font->min_char_or_byte2) | |
994 | + row * rowlen); | |
995 | } | |
996 | ||
997 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 998 | } |
0cdd0c9f | 999 | #endif /* 0 */ |
dc6f92b8 | 1000 | \f |
dbc4e1c1 JB |
1001 | /* Invert the middle quarter of the frame for .15 sec. */ |
1002 | ||
1003 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1004 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1005 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1006 | ||
1007 | /* Subtract the `struct timeval' values X and Y, | |
1008 | storing the result in RESULT. | |
1009 | Return 1 if the difference is negative, otherwise 0. */ | |
1010 | ||
1011 | static int | |
1012 | timeval_subtract (result, x, y) | |
1013 | struct timeval *result, x, y; | |
1014 | { | |
1015 | /* Perform the carry for the later subtraction by updating y. | |
1016 | This is safer because on some systems | |
1017 | the tv_sec member is unsigned. */ | |
1018 | if (x.tv_usec < y.tv_usec) | |
1019 | { | |
1020 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1021 | y.tv_usec -= 1000000 * nsec; | |
1022 | y.tv_sec += nsec; | |
1023 | } | |
1024 | if (x.tv_usec - y.tv_usec > 1000000) | |
1025 | { | |
1026 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1027 | y.tv_usec += 1000000 * nsec; | |
1028 | y.tv_sec -= nsec; | |
1029 | } | |
1030 | ||
1031 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1032 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1033 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1034 | ||
1035 | /* Return indication of whether the result should be considered negative. */ | |
1036 | return x.tv_sec < y.tv_sec; | |
1037 | } | |
dc6f92b8 | 1038 | |
f676886a JB |
1039 | XTflash (f) |
1040 | struct frame *f; | |
dc6f92b8 | 1041 | { |
dbc4e1c1 | 1042 | BLOCK_INPUT; |
dc6f92b8 | 1043 | |
dbc4e1c1 JB |
1044 | { |
1045 | GC gc; | |
dc6f92b8 | 1046 | |
dbc4e1c1 JB |
1047 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1048 | into background pixels. */ | |
1049 | { | |
1050 | XGCValues values; | |
dc6f92b8 | 1051 | |
dbc4e1c1 JB |
1052 | values.function = GXxor; |
1053 | values.foreground = (f->display.x->foreground_pixel | |
1054 | ^ f->display.x->background_pixel); | |
58769bee | 1055 | |
334208b7 | 1056 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
1057 | GCFunction | GCForeground, &values); |
1058 | } | |
dc6f92b8 | 1059 | |
dbc4e1c1 JB |
1060 | { |
1061 | int width = PIXEL_WIDTH (f); | |
1062 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1063 | |
334208b7 | 1064 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1065 | width/4, height/4, width/2, height/2); |
334208b7 | 1066 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 1067 | |
dbc4e1c1 JB |
1068 | { |
1069 | struct timeval wakeup, now; | |
dc6f92b8 | 1070 | |
66c30ea1 | 1071 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1072 | |
dbc4e1c1 JB |
1073 | /* Compute time to wait until, propagating carry from usecs. */ |
1074 | wakeup.tv_usec += 150000; | |
1075 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1076 | wakeup.tv_usec %= 1000000; | |
1077 | ||
1078 | /* Keep waiting until past the time wakeup. */ | |
1079 | while (1) | |
1080 | { | |
1081 | struct timeval timeout; | |
1082 | ||
66c30ea1 | 1083 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1084 | |
1085 | /* In effect, timeout = wakeup - timeout. | |
1086 | Break if result would be negative. */ | |
1087 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1088 | break; | |
1089 | ||
1090 | /* Try to wait that long--but we might wake up sooner. */ | |
1091 | select (0, 0, 0, 0, &timeout); | |
1092 | } | |
1093 | } | |
58769bee | 1094 | |
334208b7 | 1095 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1096 | width/4, height/4, width/2, height/2); |
334208b7 RS |
1097 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
1098 | XFlush (FRAME_X_DISPLAY (f)); | |
dc6f92b8 | 1099 | } |
dbc4e1c1 JB |
1100 | } |
1101 | ||
1102 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1103 | } |
1104 | ||
dbc4e1c1 JB |
1105 | #endif |
1106 | ||
1107 | ||
dc6f92b8 JB |
1108 | /* Make audible bell. */ |
1109 | ||
334208b7 | 1110 | #define XRINGBELL XBell (FRAME_X_DISPLAY (selected_frame), 0) |
dc6f92b8 JB |
1111 | |
1112 | XTring_bell () | |
1113 | { | |
334208b7 | 1114 | if (FRAME_X_DISPLAY (selected_frame) == 0) |
5a6ef893 RS |
1115 | return; |
1116 | ||
dbc4e1c1 | 1117 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1118 | if (visible_bell) |
f676886a | 1119 | XTflash (selected_frame); |
dc6f92b8 | 1120 | else |
dbc4e1c1 | 1121 | #endif |
dc6f92b8 JB |
1122 | { |
1123 | BLOCK_INPUT; | |
1124 | XRINGBELL; | |
334208b7 | 1125 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
1126 | UNBLOCK_INPUT; |
1127 | } | |
1128 | } | |
1129 | \f | |
f451eb13 JB |
1130 | /* Insert and delete character. |
1131 | These are not supposed to be used because we are supposed to turn | |
1132 | off the feature of using them. */ | |
dc6f92b8 | 1133 | |
58769bee | 1134 | static |
dc6f92b8 JB |
1135 | XTinsert_glyphs (start, len) |
1136 | register char *start; | |
1137 | register int len; | |
1138 | { | |
1139 | abort (); | |
1140 | } | |
1141 | ||
58769bee | 1142 | static |
dc6f92b8 JB |
1143 | XTdelete_glyphs (n) |
1144 | register int n; | |
1145 | { | |
1146 | abort (); | |
1147 | } | |
1148 | \f | |
1149 | /* Specify how many text lines, from the top of the window, | |
1150 | should be affected by insert-lines and delete-lines operations. | |
1151 | This, and those operations, are used only within an update | |
1152 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1153 | ||
1154 | static | |
1155 | XTset_terminal_window (n) | |
1156 | register int n; | |
1157 | { | |
f676886a | 1158 | if (updating_frame == 0) |
dc6f92b8 JB |
1159 | abort (); |
1160 | ||
f676886a JB |
1161 | if ((n <= 0) || (n > updating_frame->height)) |
1162 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1163 | else |
1164 | flexlines = n; | |
1165 | } | |
1166 | \f | |
7a13e894 RS |
1167 | /* These variables need not be per frame |
1168 | because redisplay is done on a frame-by-frame basis | |
1169 | and the line dance for one frame is finished before | |
1170 | anything is done for anoter frame. */ | |
1171 | ||
58769bee KH |
1172 | /* Array of line numbers from cached insert/delete operations. |
1173 | line_dance[i] is the old position of the line that we want | |
1174 | to move to line i, or -1 if we want a blank line there. */ | |
1175 | static int *line_dance; | |
dc6f92b8 | 1176 | |
58769bee KH |
1177 | /* Allocated length of that array. */ |
1178 | static int line_dance_len; | |
dc6f92b8 | 1179 | |
58769bee KH |
1180 | /* Flag indicating whether we've done any work. */ |
1181 | static int line_dance_in_progress; | |
dc6f92b8 | 1182 | |
58769bee KH |
1183 | /* Perform an insert-lines or delete-lines operation, |
1184 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1185 | XTins_del_lines (vpos, n) | |
1186 | int vpos, n; | |
dc6f92b8 | 1187 | { |
58769bee | 1188 | register int fence, i; |
dc6f92b8 | 1189 | |
58769bee | 1190 | if (vpos >= flexlines) |
dc6f92b8 JB |
1191 | return; |
1192 | ||
58769bee | 1193 | if (!line_dance_in_progress) |
dc6f92b8 | 1194 | { |
58769bee KH |
1195 | int ht = updating_frame->height; |
1196 | if (ht > line_dance_len) | |
1197 | { | |
1198 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); | |
1199 | line_dance_len = ht; | |
1200 | } | |
1201 | for (i = 0; i < ht; ++i) line_dance[i] = i; | |
1202 | line_dance_in_progress = 1; | |
1203 | } | |
1204 | if (n >= 0) | |
1205 | { | |
1206 | if (n > flexlines - vpos) | |
1207 | n = flexlines - vpos; | |
1208 | fence = vpos + n; | |
1209 | for (i = flexlines; --i >= fence;) | |
1210 | line_dance[i] = line_dance[i-n]; | |
1211 | for (i = fence; --i >= vpos;) | |
1212 | line_dance[i] = -1; | |
dc6f92b8 JB |
1213 | } |
1214 | else | |
1215 | { | |
58769bee KH |
1216 | n = -n; |
1217 | if (n > flexlines - vpos) | |
1218 | n = flexlines - vpos; | |
1219 | fence = flexlines - n; | |
1220 | for (i = vpos; i < fence; ++i) | |
1221 | line_dance[i] = line_dance[i + n]; | |
1222 | for (i = fence; i < flexlines; ++i) | |
1223 | line_dance[i] = -1; | |
dc6f92b8 JB |
1224 | } |
1225 | } | |
1226 | ||
58769bee KH |
1227 | /* Here's where we actually move the pixels around. |
1228 | Must be called with input blocked. */ | |
1229 | static void | |
1230 | do_line_dance () | |
dc6f92b8 | 1231 | { |
58769bee KH |
1232 | register int i, j, distance; |
1233 | register struct frame *f; | |
1234 | int ht; | |
1235 | int intborder; | |
1236 | ||
1237 | /* Must check this flag first. If it's not set, then not only is the | |
1238 | array uninitialized, but we might not even have a frame. */ | |
1239 | if (!line_dance_in_progress) | |
1240 | return; | |
1241 | ||
1242 | f = updating_frame; | |
1243 | if (f == 0) | |
dc6f92b8 JB |
1244 | abort (); |
1245 | ||
58769bee KH |
1246 | ht = f->height; |
1247 | intborder = f->display.x->internal_border_width; | |
1248 | ||
f676886a | 1249 | x_display_cursor (updating_frame, 0); |
dc6f92b8 | 1250 | |
58769bee KH |
1251 | for (i = 0; i < ht; ++i) |
1252 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) | |
1253 | { | |
1254 | for (j = i; (j < ht && line_dance[j] != -1 | |
1255 | && line_dance[j]-j == distance); ++j); | |
1256 | /* Copy [i,j) upward from [i+distance,j+distance) */ | |
334208b7 | 1257 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1258 | FRAME_X_WINDOW (f), f->display.x->normal_gc, |
1259 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), | |
1260 | f->width * FONT_WIDTH (f->display.x->font), | |
1261 | (j-i) * f->display.x->line_height, | |
1262 | intborder, CHAR_TO_PIXEL_ROW (f, i)); | |
1263 | i = j-1; | |
1264 | } | |
dc6f92b8 | 1265 | |
58769bee KH |
1266 | for (i = ht; --i >=0; ) |
1267 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) | |
1268 | { | |
1269 | for (j = i; (--j >= 0 && line_dance[j] != -1 | |
0ccf5d73 | 1270 | && line_dance[j]-j == distance);); |
58769bee | 1271 | /* Copy (j,i] downward from (j+distance, i+distance] */ |
334208b7 | 1272 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1273 | FRAME_X_WINDOW (f), f->display.x->normal_gc, |
1274 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), | |
1275 | f->width * FONT_WIDTH (f->display.x->font), | |
1276 | (i-j) * f->display.x->line_height, | |
1277 | intborder, CHAR_TO_PIXEL_ROW (f, j+1)); | |
1278 | i = j+1; | |
1279 | } | |
1280 | ||
1281 | for (i = 0; i < ht; ++i) | |
1282 | if (line_dance[i] == -1) | |
1283 | { | |
1284 | for (j = i; j < ht && line_dance[j] == -1; ++j); | |
1285 | /* Clear [i,j) */ | |
334208b7 | 1286 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1287 | intborder, CHAR_TO_PIXEL_ROW (f, i), |
1288 | f->width * FONT_WIDTH (f->display.x->font), | |
1289 | (j-i) * f->display.x->line_height, False); | |
1290 | i = j-1; | |
1291 | } | |
1292 | line_dance_in_progress = 0; | |
dc6f92b8 JB |
1293 | } |
1294 | \f | |
f451eb13 | 1295 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1296 | static void clear_cursor (); |
1297 | ||
f676886a JB |
1298 | /* Output into a rectangle of an X-window (for frame F) |
1299 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1300 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1301 | ROWS and COLS are the size of the rectangle. |
1302 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1303 | |
1304 | static void | |
f676886a JB |
1305 | dumprectangle (f, left, top, cols, rows) |
1306 | struct frame *f; | |
dc6f92b8 JB |
1307 | register int left, top, cols, rows; |
1308 | { | |
f676886a | 1309 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1310 | int cursor_cleared = 0; |
1311 | int bottom, right; | |
1312 | register int y; | |
1313 | ||
f676886a | 1314 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1315 | return; |
1316 | ||
dc6f92b8 JB |
1317 | /* Express rectangle as four edges, instead of position-and-size. */ |
1318 | bottom = top + rows; | |
1319 | right = left + cols; | |
58769bee | 1320 | |
dc6f92b8 JB |
1321 | /* Convert rectangle edges in pixels to edges in chars. |
1322 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1323 | top = PIXEL_TO_CHAR_ROW (f, top); |
1324 | left = PIXEL_TO_CHAR_COL (f, left); | |
a27f9f86 | 1325 | bottom += (f->display.x->line_height - 1); |
f676886a | 1326 | right += (FONT_WIDTH (f->display.x->font) - 1); |
12ba150f JB |
1327 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1328 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1329 | |
1330 | /* Clip the rectangle to what can be visible. */ | |
1331 | if (left < 0) | |
1332 | left = 0; | |
1333 | if (top < 0) | |
1334 | top = 0; | |
f676886a JB |
1335 | if (right > f->width) |
1336 | right = f->width; | |
1337 | if (bottom > f->height) | |
1338 | bottom = f->height; | |
dc6f92b8 JB |
1339 | |
1340 | /* Get size in chars of the rectangle. */ | |
1341 | cols = right - left; | |
1342 | rows = bottom - top; | |
1343 | ||
1344 | /* If rectangle has zero area, return. */ | |
1345 | if (rows <= 0) return; | |
1346 | if (cols <= 0) return; | |
1347 | ||
1348 | /* Turn off the cursor if it is in the rectangle. | |
1349 | We will turn it back on afterward. */ | |
f676886a JB |
1350 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1351 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1352 | { |
f676886a | 1353 | clear_cursor (f); |
dc6f92b8 JB |
1354 | cursor_cleared = 1; |
1355 | } | |
1356 | ||
1357 | /* Display the text in the rectangle, one text line at a time. */ | |
1358 | ||
1359 | for (y = top; y < bottom; y++) | |
1360 | { | |
f676886a | 1361 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1362 | |
f676886a | 1363 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1364 | continue; |
1365 | ||
f676886a | 1366 | dumpglyphs (f, |
12ba150f JB |
1367 | CHAR_TO_PIXEL_COL (f, left), |
1368 | CHAR_TO_PIXEL_ROW (f, y), | |
1369 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1370 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1371 | } |
1372 | ||
1373 | /* Turn the cursor on if we turned it off. */ | |
1374 | ||
1375 | if (cursor_cleared) | |
f676886a | 1376 | x_display_cursor (f, 1); |
dc6f92b8 | 1377 | } |
dc6f92b8 | 1378 | \f |
dc6f92b8 | 1379 | static void |
334208b7 RS |
1380 | frame_highlight (f) |
1381 | struct frame *f; | |
dc6f92b8 | 1382 | { |
b3e1e05c JB |
1383 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1384 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1385 | and border pixel are window attributes which are "private to the | |
1386 | client", so we can always change it to whatever we want. */ | |
1387 | BLOCK_INPUT; | |
334208b7 RS |
1388 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1389 | f->display.x->border_pixel); | |
b3e1e05c | 1390 | UNBLOCK_INPUT; |
334208b7 | 1391 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1392 | } |
1393 | ||
1394 | static void | |
334208b7 RS |
1395 | frame_unhighlight (f) |
1396 | struct frame *f; | |
dc6f92b8 | 1397 | { |
b3e1e05c JB |
1398 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1399 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1400 | and border pixel are window attributes which are "private to the | |
1401 | client", so we can always change it to whatever we want. */ | |
1402 | BLOCK_INPUT; | |
334208b7 RS |
1403 | XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1404 | f->display.x->border_tile); | |
b3e1e05c | 1405 | UNBLOCK_INPUT; |
334208b7 | 1406 | x_display_cursor (f, 1); |
dc6f92b8 | 1407 | } |
dc6f92b8 | 1408 | |
f676886a | 1409 | static void XTframe_rehighlight (); |
6d4238f3 | 1410 | |
f676886a JB |
1411 | /* The focus has changed. Update the frames as necessary to reflect |
1412 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1413 | here, because the lisp code we are interrupting might become confused. |
eb8c3be9 | 1414 | Each event gets marked with the frame in which it occurred, so the |
6d4238f3 | 1415 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1416 | |
6d4238f3 | 1417 | static void |
f676886a JB |
1418 | x_new_focus_frame (frame) |
1419 | struct frame *frame; | |
dc6f92b8 | 1420 | { |
f676886a | 1421 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1422 | int events_enqueued = 0; |
1423 | ||
f676886a | 1424 | if (frame != x_focus_frame) |
dc6f92b8 | 1425 | { |
58769bee | 1426 | /* Set this before calling other routines, so that they see |
f676886a JB |
1427 | the correct value of x_focus_frame. */ |
1428 | x_focus_frame = frame; | |
6d4238f3 JB |
1429 | |
1430 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1431 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1432 | |
1433 | #if 0 | |
f676886a | 1434 | selected_frame = frame; |
e0c1aef2 KH |
1435 | XSETFRAME (XWINDOW (selected_frame->selected_window)->frame, |
1436 | selected_frame); | |
f676886a JB |
1437 | Fselect_window (selected_frame->selected_window); |
1438 | choose_minibuf_frame (); | |
c118dd06 | 1439 | #endif /* ! 0 */ |
dc6f92b8 | 1440 | |
f676886a | 1441 | if (x_focus_frame && x_focus_frame->auto_raise) |
0134a210 RS |
1442 | pending_autoraise_frame = x_focus_frame; |
1443 | else | |
1444 | pending_autoraise_frame = 0; | |
6d4238f3 | 1445 | } |
dc6f92b8 | 1446 | |
f676886a | 1447 | XTframe_rehighlight (); |
6d4238f3 JB |
1448 | } |
1449 | ||
1450 | ||
f451eb13 JB |
1451 | /* The focus has changed, or we have redirected a frame's focus to |
1452 | another frame (this happens when a frame uses a surrogate | |
1453 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1454 | static void |
f676886a | 1455 | XTframe_rehighlight () |
6d4238f3 | 1456 | { |
f676886a | 1457 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1458 | |
f676886a | 1459 | if (x_focus_frame) |
6d4238f3 | 1460 | { |
f451eb13 | 1461 | x_highlight_frame = |
ab648270 | 1462 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1463 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1464 | : x_focus_frame); | |
1465 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1466 | { | |
1467 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1468 | x_highlight_frame = x_focus_frame; | |
1469 | } | |
dc6f92b8 | 1470 | } |
6d4238f3 | 1471 | else |
f676886a | 1472 | x_highlight_frame = 0; |
dc6f92b8 | 1473 | |
f676886a | 1474 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1475 | { |
1476 | if (old_highlight) | |
f676886a JB |
1477 | frame_unhighlight (old_highlight); |
1478 | if (x_highlight_frame) | |
1479 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1480 | } |
dc6f92b8 JB |
1481 | } |
1482 | \f | |
e4571a43 | 1483 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1484 | |
28430d3c JB |
1485 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1486 | static void | |
334208b7 RS |
1487 | x_find_modifier_meanings (dpyinfo) |
1488 | struct x_display_info *dpyinfo; | |
28430d3c | 1489 | { |
f689eb05 | 1490 | int min_code, max_code; |
28430d3c JB |
1491 | KeySym *syms; |
1492 | int syms_per_code; | |
1493 | XModifierKeymap *mods; | |
1494 | ||
334208b7 RS |
1495 | dpyinfo->meta_mod_mask = 0; |
1496 | dpyinfo->shift_lock_mask = 0; | |
1497 | dpyinfo->alt_mod_mask = 0; | |
1498 | dpyinfo->super_mod_mask = 0; | |
1499 | dpyinfo->hyper_mod_mask = 0; | |
58769bee | 1500 | |
9658a521 | 1501 | #ifdef HAVE_X11R4 |
334208b7 | 1502 | XDisplayKeycodes (dpyinfo->display, &min_code, &max_code); |
9658a521 | 1503 | #else |
334208b7 RS |
1504 | min_code = display->min_keycode; |
1505 | max_code = display->max_keycode; | |
9658a521 JB |
1506 | #endif |
1507 | ||
334208b7 | 1508 | syms = XGetKeyboardMapping (dpyinfo->display, |
28430d3c JB |
1509 | min_code, max_code - min_code + 1, |
1510 | &syms_per_code); | |
334208b7 | 1511 | mods = XGetModifierMapping (dpyinfo->display); |
28430d3c | 1512 | |
58769bee | 1513 | /* Scan the modifier table to see which modifier bits the Meta and |
11edeb03 | 1514 | Alt keysyms are on. */ |
28430d3c JB |
1515 | { |
1516 | int row, col; /* The row and column in the modifier table. */ | |
1517 | ||
1518 | for (row = 3; row < 8; row++) | |
1519 | for (col = 0; col < mods->max_keypermod; col++) | |
1520 | { | |
1521 | KeyCode code = | |
1522 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1523 | ||
af92970c KH |
1524 | /* Zeroes are used for filler. Skip them. */ |
1525 | if (code == 0) | |
1526 | continue; | |
1527 | ||
28430d3c JB |
1528 | /* Are any of this keycode's keysyms a meta key? */ |
1529 | { | |
1530 | int code_col; | |
1531 | ||
1532 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1533 | { | |
f689eb05 | 1534 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1535 | |
f689eb05 | 1536 | switch (sym) |
28430d3c | 1537 | { |
f689eb05 JB |
1538 | case XK_Meta_L: |
1539 | case XK_Meta_R: | |
334208b7 | 1540 | dpyinfo->meta_mod_mask |= (1 << row); |
28430d3c | 1541 | break; |
f689eb05 JB |
1542 | |
1543 | case XK_Alt_L: | |
1544 | case XK_Alt_R: | |
334208b7 | 1545 | dpyinfo->alt_mod_mask |= (1 << row); |
a3c44b14 RS |
1546 | break; |
1547 | ||
1548 | case XK_Hyper_L: | |
1549 | case XK_Hyper_R: | |
334208b7 | 1550 | dpyinfo->hyper_mod_mask |= (1 << row); |
a3c44b14 RS |
1551 | break; |
1552 | ||
1553 | case XK_Super_L: | |
1554 | case XK_Super_R: | |
334208b7 | 1555 | dpyinfo->super_mod_mask |= (1 << row); |
f689eb05 | 1556 | break; |
11edeb03 JB |
1557 | |
1558 | case XK_Shift_Lock: | |
1559 | /* Ignore this if it's not on the lock modifier. */ | |
1560 | if ((1 << row) == LockMask) | |
334208b7 | 1561 | dpyinfo->shift_lock_mask = LockMask; |
11edeb03 | 1562 | break; |
28430d3c JB |
1563 | } |
1564 | } | |
1565 | } | |
1566 | } | |
1567 | } | |
1568 | ||
f689eb05 | 1569 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
334208b7 | 1570 | if (! dpyinfo->meta_mod_mask) |
a3c44b14 | 1571 | { |
334208b7 RS |
1572 | dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask; |
1573 | dpyinfo->alt_mod_mask = 0; | |
a3c44b14 | 1574 | } |
f689eb05 | 1575 | |
148c4b70 RS |
1576 | /* If some keys are both alt and meta, |
1577 | make them just meta, not alt. */ | |
334208b7 | 1578 | if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask) |
148c4b70 | 1579 | { |
334208b7 | 1580 | dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask; |
148c4b70 | 1581 | } |
58769bee | 1582 | |
28430d3c | 1583 | XFree ((char *) syms); |
f689eb05 | 1584 | XFreeModifiermap (mods); |
28430d3c JB |
1585 | } |
1586 | ||
dfeccd2d JB |
1587 | /* Convert between the modifier bits X uses and the modifier bits |
1588 | Emacs uses. */ | |
7c5283e4 | 1589 | static unsigned int |
334208b7 RS |
1590 | x_x_to_emacs_modifiers (dpyinfo, state) |
1591 | struct x_display_info *dpyinfo; | |
dc6f92b8 JB |
1592 | unsigned int state; |
1593 | { | |
334208b7 RS |
1594 | return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0) |
1595 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
1596 | | ((state & dpyinfo->meta_mod_mask) ? meta_modifier : 0) | |
1597 | | ((state & dpyinfo->alt_mod_mask) ? alt_modifier : 0) | |
1598 | | ((state & dpyinfo->super_mod_mask) ? super_modifier : 0) | |
1599 | | ((state & dpyinfo->hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1600 | } |
1601 | ||
dfeccd2d | 1602 | static unsigned int |
334208b7 RS |
1603 | x_emacs_to_x_modifiers (dpyinfo, state) |
1604 | struct x_display_info *dpyinfo; | |
dfeccd2d JB |
1605 | unsigned int state; |
1606 | { | |
334208b7 RS |
1607 | return ( ((state & alt_modifier) ? dpyinfo->alt_mod_mask : 0) |
1608 | | ((state & super_modifier) ? dpyinfo->super_mod_mask : 0) | |
1609 | | ((state & hyper_modifier) ? dpyinfo->hyper_mod_mask : 0) | |
1610 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1611 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1612 | | ((state & meta_modifier) ? dpyinfo->meta_mod_mask : 0)); | |
dfeccd2d | 1613 | } |
e4571a43 JB |
1614 | \f |
1615 | /* Mouse clicks and mouse movement. Rah. */ | |
e4571a43 JB |
1616 | |
1617 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1618 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1619 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1620 | If NOCLIP is nonzero, do not force the value into range. */ | |
1621 | ||
c8dba240 | 1622 | void |
69388238 | 1623 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1624 | FRAME_PTR f; |
69388238 | 1625 | register int pix_x, pix_y; |
e4571a43 JB |
1626 | register int *x, *y; |
1627 | XRectangle *bounds; | |
69388238 | 1628 | int noclip; |
e4571a43 | 1629 | { |
69388238 RS |
1630 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1631 | even for negative values. */ | |
1632 | if (pix_x < 0) | |
1633 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1634 | if (pix_y < 0) | |
a27f9f86 | 1635 | pix_y -= (f)->display.x->line_height - 1; |
69388238 | 1636 | |
e4571a43 JB |
1637 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1638 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1639 | ||
1640 | if (bounds) | |
1641 | { | |
1642 | bounds->width = FONT_WIDTH (f->display.x->font); | |
a27f9f86 | 1643 | bounds->height = f->display.x->line_height; |
e4571a43 JB |
1644 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1645 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1646 | } | |
1647 | ||
69388238 RS |
1648 | if (!noclip) |
1649 | { | |
1650 | if (pix_x < 0) | |
1651 | pix_x = 0; | |
1652 | else if (pix_x > f->width) | |
1653 | pix_x = f->width; | |
1654 | ||
1655 | if (pix_y < 0) | |
1656 | pix_y = 0; | |
1657 | else if (pix_y > f->height) | |
1658 | pix_y = f->height; | |
1659 | } | |
e4571a43 JB |
1660 | |
1661 | *x = pix_x; | |
1662 | *y = pix_y; | |
1663 | } | |
1664 | ||
2b5c9e71 RS |
1665 | void |
1666 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1667 | FRAME_PTR f; | |
1668 | register int x, y; | |
1669 | register int *pix_x, *pix_y; | |
1670 | { | |
1671 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1672 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1673 | } | |
1674 | ||
dc6f92b8 JB |
1675 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1676 | ||
1677 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1678 | the mouse. */ |
dc6f92b8 JB |
1679 | |
1680 | static Lisp_Object | |
f451eb13 | 1681 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1682 | struct input_event *result; |
1683 | XButtonEvent *event; | |
f676886a | 1684 | struct frame *f; |
dc6f92b8 | 1685 | { |
f451eb13 | 1686 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1687 | otherwise. */ |
f451eb13 | 1688 | result->kind = mouse_click; |
69388238 | 1689 | result->code = event->button - Button1; |
1113d9db | 1690 | result->timestamp = event->time; |
334208b7 RS |
1691 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1692 | event->state) | |
f689eb05 | 1693 | | (event->type == ButtonRelease |
58769bee | 1694 | ? up_modifier |
f689eb05 | 1695 | : down_modifier)); |
dc6f92b8 | 1696 | |
f451eb13 JB |
1697 | { |
1698 | int row, column; | |
dc6f92b8 | 1699 | |
2b5c9e71 | 1700 | #if 0 |
69388238 | 1701 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
90e1eb6f KH |
1702 | XSETFASTINT (result->x, column); |
1703 | XSETFASTINT (result->y, row); | |
2b5c9e71 | 1704 | #endif |
e0c1aef2 KH |
1705 | XSETINT (result->x, event->x); |
1706 | XSETINT (result->y, event->y); | |
1707 | XSETFRAME (result->frame_or_window, f); | |
f451eb13 | 1708 | } |
dc6f92b8 | 1709 | } |
b849c413 RS |
1710 | |
1711 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
1712 | ||
1713 | static Lisp_Object | |
1714 | construct_menu_click (result, event, f) | |
1715 | struct input_event *result; | |
1716 | XButtonEvent *event; | |
1717 | struct frame *f; | |
1718 | { | |
1719 | /* Make the event type no_event; we'll change that when we decide | |
1720 | otherwise. */ | |
1721 | result->kind = mouse_click; | |
e0c1aef2 | 1722 | XSETINT (result->code, event->button - Button1); |
b849c413 | 1723 | result->timestamp = event->time; |
334208b7 RS |
1724 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1725 | event->state) | |
b849c413 | 1726 | | (event->type == ButtonRelease |
58769bee | 1727 | ? up_modifier |
b849c413 RS |
1728 | : down_modifier)); |
1729 | ||
e0c1aef2 KH |
1730 | XSETINT (result->x, event->x); |
1731 | XSETINT (result->y, -1); | |
1732 | XSETFRAME (result->frame_or_window, f); | |
b849c413 | 1733 | } |
69388238 | 1734 | \f |
90e65f07 JB |
1735 | /* Function to report a mouse movement to the mainstream Emacs code. |
1736 | The input handler calls this. | |
1737 | ||
1738 | We have received a mouse movement event, which is given in *event. | |
1739 | If the mouse is over a different glyph than it was last time, tell | |
1740 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1741 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 1742 | |
90e65f07 | 1743 | static void |
12ba150f | 1744 | note_mouse_movement (frame, event) |
f676886a | 1745 | FRAME_PTR frame; |
90e65f07 JB |
1746 | XMotionEvent *event; |
1747 | ||
1748 | { | |
e5d77022 JB |
1749 | last_mouse_movement_time = event->time; |
1750 | ||
27f338af RS |
1751 | if (event->window != FRAME_X_WINDOW (frame)) |
1752 | { | |
1753 | mouse_moved = 1; | |
1754 | last_mouse_scroll_bar = Qnil; | |
1755 | ||
1756 | note_mouse_highlight (frame, -1, -1); | |
1757 | ||
1758 | /* Ask for another mouse motion event. */ | |
1759 | { | |
1760 | int dummy; | |
847e150a | 1761 | Window dummy_window; |
27f338af RS |
1762 | |
1763 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), | |
847e150a | 1764 | &dummy_window, &dummy_window, |
27f338af RS |
1765 | &dummy, &dummy, &dummy, &dummy, |
1766 | (unsigned int *) &dummy); | |
1767 | } | |
1768 | } | |
1769 | ||
90e65f07 | 1770 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
1771 | else if (event->x < last_mouse_glyph.x |
1772 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1773 | || event->y < last_mouse_glyph.y | |
1774 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1775 | { |
1776 | mouse_moved = 1; | |
ab648270 | 1777 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
1778 | |
1779 | note_mouse_highlight (frame, event->x, event->y); | |
1780 | ||
1781 | /* Ask for another mouse motion event. */ | |
1782 | { | |
1783 | int dummy; | |
847e150a | 1784 | Window dummy_window; |
b8009dd1 | 1785 | |
27f338af | 1786 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1787 | &dummy_window, &dummy_window, |
b8009dd1 RS |
1788 | &dummy, &dummy, &dummy, &dummy, |
1789 | (unsigned int *) &dummy); | |
1790 | } | |
12ba150f | 1791 | } |
90e65f07 JB |
1792 | else |
1793 | { | |
1794 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1795 | event the next time the mouse moves and we can see if it's | |
1796 | *still* on the same glyph. */ | |
1797 | int dummy; | |
847e150a | 1798 | Window dummy_window; |
58769bee | 1799 | |
27f338af | 1800 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1801 | &dummy_window, &dummy_window, |
90e65f07 JB |
1802 | &dummy, &dummy, &dummy, &dummy, |
1803 | (unsigned int *) &dummy); | |
1804 | } | |
1805 | } | |
1806 | ||
bf1c0ba1 RS |
1807 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
1808 | static int disable_mouse_highlight; | |
1809 | ||
b8009dd1 RS |
1810 | /* Take proper action when the mouse has moved to position X, Y on frame F |
1811 | as regards highlighting characters that have mouse-face properties. | |
27f338af RS |
1812 | Also dehighlighting chars where the mouse was before. |
1813 | X and Y can be negative or out of range. */ | |
b8009dd1 RS |
1814 | |
1815 | static void | |
1816 | note_mouse_highlight (f, x, y) | |
1817 | FRAME_PTR f; | |
1818 | { | |
1819 | int row, column, portion; | |
1820 | XRectangle new_glyph; | |
1821 | Lisp_Object window; | |
1822 | struct window *w; | |
1823 | ||
bf1c0ba1 RS |
1824 | if (disable_mouse_highlight) |
1825 | return; | |
1826 | ||
7a13e894 RS |
1827 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x = x; |
1828 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y = y; | |
1829 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame = f; | |
b8009dd1 | 1830 | |
7a13e894 | 1831 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_defer) |
b8009dd1 RS |
1832 | return; |
1833 | ||
514e4681 RS |
1834 | if (gc_in_progress) |
1835 | { | |
7a13e894 | 1836 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 1; |
514e4681 RS |
1837 | return; |
1838 | } | |
1839 | ||
b8009dd1 RS |
1840 | /* Find out which glyph the mouse is on. */ |
1841 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
334208b7 | 1842 | &new_glyph, FRAME_X_DISPLAY_INFO (f)->grabbed); |
b8009dd1 RS |
1843 | |
1844 | /* Which window is that in? */ | |
1845 | window = window_from_coordinates (f, column, row, &portion); | |
1846 | w = XWINDOW (window); | |
1847 | ||
1848 | /* If we were displaying active text in another window, clear that. */ | |
7a13e894 RS |
1849 | if (! EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) |
1850 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); | |
b8009dd1 | 1851 | |
0cdd0c9f RS |
1852 | /* Are we in a window whose display is up to date? |
1853 | And verify the buffer's text has not changed. */ | |
27f338af RS |
1854 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
1855 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
0cdd0c9f RS |
1856 | && EQ (w->window_end_valid, w->buffer) |
1857 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
1858 | { |
1859 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
1860 | int i, pos; | |
1861 | ||
1862 | /* Find which buffer position the mouse corresponds to. */ | |
1863 | for (i = column; i >= 0; i--) | |
1864 | if (ptr[i] > 0) | |
1865 | break; | |
1866 | pos = ptr[i]; | |
1867 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 | 1868 | if (pos <= 0) |
7a13e894 RS |
1869 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
1870 | else if (! (EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window) | |
1871 | && row >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1872 | && row <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1873 | && (row > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1874 | || column >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col) | |
1875 | && (row < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1876 | || column < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
1877 | || FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end))) | |
b8009dd1 RS |
1878 | { |
1879 | Lisp_Object mouse_face, overlay, position; | |
1880 | Lisp_Object *overlay_vec; | |
1881 | int len, noverlays, ignor1; | |
f8bdb8e6 | 1882 | struct buffer *obuf; |
e444162e | 1883 | int obegv, ozv; |
f8bdb8e6 | 1884 | |
e444162e RS |
1885 | /* If we get an out-of-range value, return now; avoid an error. */ |
1886 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 1887 | return; |
b8009dd1 | 1888 | |
09fe4c31 RS |
1889 | /* Make the window's buffer temporarily current for |
1890 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 1891 | obuf = current_buffer; |
09fe4c31 | 1892 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
1893 | obegv = BEGV; |
1894 | ozv = ZV; | |
1895 | BEGV = BEG; | |
1896 | ZV = Z; | |
09fe4c31 | 1897 | |
b8009dd1 | 1898 | /* Yes. Clear the display of the old active region, if any. */ |
7a13e894 | 1899 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
b8009dd1 RS |
1900 | |
1901 | /* Is this char mouse-active? */ | |
e0c1aef2 | 1902 | XSETINT (position, pos); |
b8009dd1 RS |
1903 | |
1904 | len = 10; | |
1905 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
1906 | ||
1907 | /* Put all the overlays we want in a vector in overlay_vec. | |
1908 | Store the length in len. */ | |
7965883b RS |
1909 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, |
1910 | NULL, NULL); | |
09fe4c31 | 1911 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
1912 | |
1913 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
1914 | overlay = Qnil; | |
1915 | for (i = 0; i < noverlays; i++) | |
1916 | { | |
1917 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
1918 | if (!NILP (mouse_face)) | |
1919 | { | |
1920 | overlay = overlay_vec[i]; | |
1921 | break; | |
1922 | } | |
1923 | } | |
1924 | free (overlay_vec); | |
1925 | /* If no overlay applies, get a text property. */ | |
1926 | if (NILP (overlay)) | |
1927 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
1928 | ||
1929 | /* Handle the overlay case. */ | |
1930 | if (! NILP (overlay)) | |
1931 | { | |
1932 | /* Find the range of text around this char that | |
1933 | should be active. */ | |
1934 | Lisp_Object before, after; | |
1935 | int ignore; | |
1936 | ||
1937 | before = Foverlay_start (overlay); | |
1938 | after = Foverlay_end (overlay); | |
1939 | /* Record this as the current active region. */ | |
7a13e894 RS |
1940 | fast_find_position (window, before, |
1941 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
1942 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
1943 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
1944 | = !fast_find_position (window, after, | |
1945 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
1946 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
1947 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
1948 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
1949 | = compute_char_face (f, w, pos, 0, 0, | |
1950 | &ignore, pos + 1, 1); | |
b8009dd1 RS |
1951 | |
1952 | /* Display it as active. */ | |
7a13e894 | 1953 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 RS |
1954 | } |
1955 | /* Handle the text property case. */ | |
1956 | else if (! NILP (mouse_face)) | |
1957 | { | |
1958 | /* Find the range of text around this char that | |
1959 | should be active. */ | |
1960 | Lisp_Object before, after, beginning, end; | |
1961 | int ignore; | |
1962 | ||
1963 | beginning = Fmarker_position (w->start); | |
e0c1aef2 KH |
1964 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) |
1965 | - XFASTINT (w->window_end_pos))); | |
b8009dd1 RS |
1966 | before |
1967 | = Fprevious_single_property_change (make_number (pos + 1), | |
1968 | Qmouse_face, | |
1969 | w->buffer, beginning); | |
1970 | after | |
1971 | = Fnext_single_property_change (position, Qmouse_face, | |
1972 | w->buffer, end); | |
1973 | /* Record this as the current active region. */ | |
7a13e894 RS |
1974 | fast_find_position (window, before, |
1975 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
1976 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
1977 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
1978 | = !fast_find_position (window, after, | |
1979 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
1980 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
1981 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
1982 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
b8009dd1 RS |
1983 | = compute_char_face (f, w, pos, 0, 0, |
1984 | &ignore, pos + 1, 1); | |
1985 | ||
1986 | /* Display it as active. */ | |
7a13e894 | 1987 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 | 1988 | } |
e444162e RS |
1989 | BEGV = obegv; |
1990 | ZV = ozv; | |
09fe4c31 | 1991 | current_buffer = obuf; |
b8009dd1 | 1992 | } |
b8009dd1 RS |
1993 | } |
1994 | } | |
1995 | \f | |
1996 | /* Find the row and column of position POS in window WINDOW. | |
1997 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
1998 | This assumes display in WINDOW is up to date. |
1999 | If POS is above start of WINDOW, return coords | |
2000 | of start of first screen line. | |
4d73d038 RS |
2001 | If POS is after end of WINDOW, return coords of end of last screen line. |
2002 | ||
2003 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
b8009dd1 RS |
2004 | |
2005 | static int | |
2006 | fast_find_position (window, pos, columnp, rowp) | |
2007 | Lisp_Object window; | |
2008 | int pos; | |
2009 | int *columnp, *rowp; | |
2010 | { | |
2011 | struct window *w = XWINDOW (window); | |
2012 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2013 | int i; | |
4d73d038 | 2014 | int row = 0; |
b8009dd1 RS |
2015 | int left = w->left; |
2016 | int top = w->top; | |
2017 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2018 | int width = window_internal_width (w); | |
2019 | int *charstarts; | |
bf1c0ba1 | 2020 | int lastcol; |
b8009dd1 | 2021 | |
4d73d038 | 2022 | /* Find the right row. */ |
b8009dd1 RS |
2023 | for (i = 0; |
2024 | i < height; | |
2025 | i++) | |
2026 | { | |
2027 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2028 | if (linestart > pos) | |
2029 | break; | |
2030 | if (linestart > 0) | |
2031 | row = i; | |
2032 | } | |
2033 | ||
4d73d038 | 2034 | /* Find the right column with in it. */ |
b8009dd1 | 2035 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
bf1c0ba1 | 2036 | lastcol = left; |
b8009dd1 | 2037 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2038 | { |
2039 | if (charstarts[left + i] == pos) | |
2040 | { | |
2041 | *rowp = row + top; | |
2042 | *columnp = i + left; | |
2043 | return 1; | |
2044 | } | |
2045 | else if (charstarts[left + i] > pos) | |
4d73d038 RS |
2046 | break; |
2047 | else if (charstarts[left + i] > 0) | |
bf1c0ba1 RS |
2048 | lastcol = left + i; |
2049 | } | |
b8009dd1 | 2050 | |
bf1c0ba1 RS |
2051 | *rowp = row + top; |
2052 | *columnp = lastcol; | |
b8009dd1 RS |
2053 | return 0; |
2054 | } | |
2055 | ||
2056 | /* Display the active region described by mouse_face_* | |
2057 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2058 | ||
2059 | static void | |
7a13e894 RS |
2060 | show_mouse_face (dpyinfo, hl) |
2061 | struct x_display_info *dpyinfo; | |
b8009dd1 RS |
2062 | int hl; |
2063 | { | |
7a13e894 | 2064 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); |
b8009dd1 RS |
2065 | int width = window_internal_width (w); |
2066 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2067 | int i; | |
514e4681 | 2068 | int cursor_off = 0; |
fb3b7de5 RS |
2069 | int old_curs_x = curs_x; |
2070 | int old_curs_y = curs_y; | |
2071 | ||
2072 | /* Set these variables temporarily | |
2073 | so that if we have to turn the cursor off and on again | |
2074 | we will put it back at the same place. */ | |
2075 | curs_x = f->phys_cursor_x; | |
2076 | curs_y = f->phys_cursor_y; | |
b8009dd1 | 2077 | |
7a13e894 RS |
2078 | for (i = FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row; |
2079 | i <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row; i++) | |
b8009dd1 | 2080 | { |
7a13e894 RS |
2081 | int column = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
2082 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col | |
2083 | : w->left); | |
2084 | int endcolumn = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
2085 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
2086 | : w->left + width); | |
6f4c2453 | 2087 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
514e4681 RS |
2088 | |
2089 | /* If the cursor's in the text we are about to rewrite, | |
2090 | turn the cursor off. */ | |
2091 | if (i == curs_y | |
7a13e894 RS |
2092 | && curs_x >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col - 1 |
2093 | && curs_x <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col) | |
514e4681 RS |
2094 | { |
2095 | x_display_cursor (f, 0); | |
2096 | cursor_off = 1; | |
2097 | } | |
b8009dd1 RS |
2098 | |
2099 | dumpglyphs (f, | |
2100 | CHAR_TO_PIXEL_COL (f, column), | |
2101 | CHAR_TO_PIXEL_ROW (f, i), | |
2102 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2103 | endcolumn - column, | |
2104 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2105 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2106 | } |
2107 | ||
514e4681 RS |
2108 | /* If we turned the cursor off, turn it back on. */ |
2109 | if (cursor_off) | |
2110 | x_display_cursor (f, 1); | |
27ead1d5 | 2111 | |
fb3b7de5 RS |
2112 | curs_x = old_curs_x; |
2113 | curs_y = old_curs_y; | |
2114 | ||
27ead1d5 FP |
2115 | /* Change the mouse cursor according to the value of HL. */ |
2116 | if (hl > 0) | |
334208b7 RS |
2117 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
2118 | f->display.x->cross_cursor); | |
27ead1d5 | 2119 | else |
334208b7 RS |
2120 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
2121 | f->display.x->text_cursor); | |
b8009dd1 RS |
2122 | } |
2123 | ||
2124 | /* Clear out the mouse-highlighted active region. | |
2125 | Redraw it unhighlighted first. */ | |
2126 | ||
2127 | static void | |
7a13e894 RS |
2128 | clear_mouse_face (dpyinfo) |
2129 | struct x_display_info *dpyinfo; | |
b8009dd1 | 2130 | { |
7a13e894 RS |
2131 | if (! NILP (dpyinfo->mouse_face_window)) |
2132 | show_mouse_face (dpyinfo, 0); | |
b8009dd1 | 2133 | |
7a13e894 RS |
2134 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
2135 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
2136 | dpyinfo->mouse_face_window = Qnil; | |
b8009dd1 RS |
2137 | } |
2138 | \f | |
ab648270 JB |
2139 | static struct scroll_bar *x_window_to_scroll_bar (); |
2140 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2141 | |
90e65f07 JB |
2142 | /* Return the current position of the mouse. |
2143 | ||
ab648270 JB |
2144 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
2145 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 2146 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2147 | position on the scroll bar. |
12ba150f JB |
2148 | |
2149 | If the mouse movement started elsewhere, set *f to the frame the | |
2150 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2151 | the mouse is over. | |
2152 | ||
2153 | Set *time to the server timestamp for the time at which the mouse | |
2154 | was at this position. | |
2155 | ||
a135645a RS |
2156 | Don't store anything if we don't have a valid set of values to report. |
2157 | ||
90e65f07 | 2158 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2159 | movement. This also calls XQueryPointer, which will cause the |
2160 | server to give us another MotionNotify when the mouse moves | |
2161 | again. */ | |
90e65f07 JB |
2162 | |
2163 | static void | |
334208b7 RS |
2164 | XTmouse_position (fp, bar_window, part, x, y, time) |
2165 | FRAME_PTR *fp; | |
12ba150f | 2166 | Lisp_Object *bar_window; |
ab648270 | 2167 | enum scroll_bar_part *part; |
90e65f07 | 2168 | Lisp_Object *x, *y; |
e5d77022 | 2169 | unsigned long *time; |
90e65f07 | 2170 | { |
a135645a RS |
2171 | FRAME_PTR f1; |
2172 | ||
90e65f07 JB |
2173 | BLOCK_INPUT; |
2174 | ||
ab648270 | 2175 | if (! NILP (last_mouse_scroll_bar)) |
334208b7 | 2176 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
90e65f07 JB |
2177 | else |
2178 | { | |
12ba150f JB |
2179 | Window root; |
2180 | int root_x, root_y; | |
90e65f07 | 2181 | |
12ba150f JB |
2182 | Window dummy_window; |
2183 | int dummy; | |
2184 | ||
2185 | mouse_moved = 0; | |
ab648270 | 2186 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2187 | |
2188 | /* Figure out which root window we're on. */ | |
334208b7 RS |
2189 | XQueryPointer (FRAME_X_DISPLAY (*fp), |
2190 | DefaultRootWindow (FRAME_X_DISPLAY (*fp)), | |
12ba150f JB |
2191 | |
2192 | /* The root window which contains the pointer. */ | |
2193 | &root, | |
2194 | ||
2195 | /* Trash which we can't trust if the pointer is on | |
2196 | a different screen. */ | |
2197 | &dummy_window, | |
2198 | ||
2199 | /* The position on that root window. */ | |
58769bee | 2200 | &root_x, &root_y, |
12ba150f JB |
2201 | |
2202 | /* More trash we can't trust. */ | |
2203 | &dummy, &dummy, | |
2204 | ||
2205 | /* Modifier keys and pointer buttons, about which | |
2206 | we don't care. */ | |
2207 | (unsigned int *) &dummy); | |
2208 | ||
2209 | /* Now we have a position on the root; find the innermost window | |
2210 | containing the pointer. */ | |
2211 | { | |
2212 | Window win, child; | |
2213 | int win_x, win_y; | |
2214 | int parent_x, parent_y; | |
2215 | ||
2216 | win = root; | |
69388238 | 2217 | |
334208b7 | 2218 | if (FRAME_X_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
23faf38f | 2219 | && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 2220 | { |
69388238 RS |
2221 | /* If mouse was grabbed on a frame, give coords for that frame |
2222 | even if the mouse is now outside it. */ | |
334208b7 | 2223 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
69388238 | 2224 | |
12ba150f | 2225 | /* From-window, to-window. */ |
69388238 | 2226 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2227 | |
2228 | /* From-position, to-position. */ | |
2229 | root_x, root_y, &win_x, &win_y, | |
2230 | ||
2231 | /* Child of win. */ | |
2232 | &child); | |
69388238 RS |
2233 | f1 = last_mouse_frame; |
2234 | } | |
2235 | else | |
2236 | { | |
2237 | while (1) | |
2238 | { | |
334208b7 | 2239 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
12ba150f | 2240 | |
69388238 RS |
2241 | /* From-window, to-window. */ |
2242 | root, win, | |
12ba150f | 2243 | |
69388238 RS |
2244 | /* From-position, to-position. */ |
2245 | root_x, root_y, &win_x, &win_y, | |
2246 | ||
2247 | /* Child of win. */ | |
2248 | &child); | |
2249 | ||
2250 | if (child == None) | |
2251 | break; | |
2252 | ||
2253 | win = child; | |
2254 | parent_x = win_x; | |
2255 | parent_y = win_y; | |
2256 | } | |
12ba150f | 2257 | |
69388238 RS |
2258 | /* Now we know that: |
2259 | win is the innermost window containing the pointer | |
2260 | (XTC says it has no child containing the pointer), | |
2261 | win_x and win_y are the pointer's position in it | |
2262 | (XTC did this the last time through), and | |
2263 | parent_x and parent_y are the pointer's position in win's parent. | |
2264 | (They are what win_x and win_y were when win was child. | |
2265 | If win is the root window, it has no parent, and | |
2266 | parent_{x,y} are invalid, but that's okay, because we'll | |
2267 | never use them in that case.) */ | |
2268 | ||
2269 | /* Is win one of our frames? */ | |
2b5c9e71 | 2270 | f1 = x_any_window_to_frame (win); |
69388238 | 2271 | } |
58769bee | 2272 | |
ab648270 | 2273 | /* If not, is it one of our scroll bars? */ |
a135645a | 2274 | if (! f1) |
12ba150f | 2275 | { |
ab648270 | 2276 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2277 | |
2278 | if (bar) | |
2279 | { | |
a135645a | 2280 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2281 | win_x = parent_x; |
2282 | win_y = parent_y; | |
2283 | } | |
2284 | } | |
90e65f07 | 2285 | |
a135645a | 2286 | if (f1) |
12ba150f | 2287 | { |
2b5c9e71 RS |
2288 | int ignore1, ignore2; |
2289 | ||
2290 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2291 | |
2b5c9e71 | 2292 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
334208b7 RS |
2293 | &last_mouse_glyph, |
2294 | FRAME_X_DISPLAY_INFO (f1)->grabbed); | |
12ba150f JB |
2295 | |
2296 | *bar_window = Qnil; | |
2297 | *part = 0; | |
334208b7 | 2298 | *fp = f1; |
e0c1aef2 KH |
2299 | XSETINT (*x, win_x); |
2300 | XSETINT (*y, win_y); | |
12ba150f JB |
2301 | *time = last_mouse_movement_time; |
2302 | } | |
2303 | } | |
2304 | } | |
90e65f07 JB |
2305 | |
2306 | UNBLOCK_INPUT; | |
2307 | } | |
c118dd06 | 2308 | \f |
ab648270 | 2309 | /* Scroll bar support. */ |
f451eb13 | 2310 | |
ab648270 JB |
2311 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2312 | This can be called in GC, so we have to make sure to strip off mark | |
2313 | bits. */ | |
2314 | static struct scroll_bar * | |
2315 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2316 | Window window_id; |
2317 | { | |
2318 | Lisp_Object tail, frame; | |
f451eb13 | 2319 | |
ab648270 JB |
2320 | for (tail = Vframe_list; |
2321 | XGCTYPE (tail) == Lisp_Cons; | |
2322 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2323 | { |
abdda982 | 2324 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2325 | |
abdda982 | 2326 | frame = XCONS (tail)->car; |
f451eb13 | 2327 | /* All elements of Vframe_list should be frames. */ |
ab648270 | 2328 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
2329 | abort (); |
2330 | ||
ab648270 | 2331 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2332 | right window ID. */ |
ab648270 JB |
2333 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2334 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2335 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2336 | condemned scroll bar lists with one loop. */ |
2337 | ! GC_NILP (bar) || (bar = condemned, | |
2338 | condemned = Qnil, | |
2339 | ! GC_NILP (bar)); | |
bc20ebbf | 2340 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2341 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2342 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2343 | } |
2344 | ||
2345 | return 0; | |
2346 | } | |
2347 | ||
ab648270 JB |
2348 | /* Open a new X window to serve as a scroll bar, and return the |
2349 | scroll bar vector for it. */ | |
2350 | static struct scroll_bar * | |
2351 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2352 | struct window *window; |
f451eb13 JB |
2353 | int top, left, width, height; |
2354 | { | |
334208b7 RS |
2355 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
2356 | struct scroll_bar *bar | |
2357 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2358 | |
2359 | BLOCK_INPUT; | |
2360 | ||
2361 | { | |
2362 | XSetWindowAttributes a; | |
2363 | unsigned long mask; | |
334208b7 | 2364 | a.background_pixel = f->display.x->background_pixel; |
12ba150f | 2365 | a.event_mask = (ButtonPressMask | ButtonReleaseMask |
9a572e2a | 2366 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2367 | | ExposureMask); |
7a13e894 | 2368 | a.cursor = FRAME_X_DISPLAY_INFO (f)->vertical_scroll_bar_cursor; |
f451eb13 | 2369 | |
dbc4e1c1 | 2370 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2371 | |
3afe33e7 RS |
2372 | #if 0 |
2373 | ||
2374 | ac = 0; | |
2375 | XtSetArg (al[ac], XtNx, left); ac++; | |
2376 | XtSetArg (al[ac], XtNy, top); ac++; | |
2377 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2378 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2379 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2380 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 | 2381 | boxWidgetClass, |
334208b7 | 2382 | f->display.x->edit_widget, al, ac); |
7246d1d3 | 2383 | SET_SCROLL_BAR_X_WINDOW |
3afe33e7 | 2384 | (bar, sb_widget->core.window); |
58769bee | 2385 | #endif |
7246d1d3 | 2386 | SET_SCROLL_BAR_X_WINDOW |
58769bee | 2387 | (bar, |
334208b7 | 2388 | XCreateWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f451eb13 | 2389 | |
ab648270 | 2390 | /* Position and size of scroll bar. */ |
12ba150f | 2391 | left, top, width, height, |
f451eb13 | 2392 | |
12ba150f JB |
2393 | /* Border width, depth, class, and visual. */ |
2394 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2395 | |
12ba150f JB |
2396 | /* Attributes. */ |
2397 | mask, &a)); | |
f451eb13 JB |
2398 | } |
2399 | ||
e0c1aef2 KH |
2400 | XSETWINDOW (bar->window, window); |
2401 | XSETINT (bar->top, top); | |
2402 | XSETINT (bar->left, left); | |
2403 | XSETINT (bar->width, width); | |
2404 | XSETINT (bar->height, height); | |
2405 | XSETINT (bar->start, 0); | |
2406 | XSETINT (bar->end, 0); | |
12ba150f | 2407 | bar->dragging = Qnil; |
f451eb13 JB |
2408 | |
2409 | /* Add bar to its frame's list of scroll bars. */ | |
334208b7 | 2410 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2411 | bar->prev = Qnil; |
334208b7 | 2412 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2413 | if (! NILP (bar->next)) |
e0c1aef2 | 2414 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
f451eb13 | 2415 | |
7f9c7f94 | 2416 | XMapRaised (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2417 | |
2418 | UNBLOCK_INPUT; | |
12ba150f JB |
2419 | |
2420 | return bar; | |
f451eb13 JB |
2421 | } |
2422 | ||
12ba150f JB |
2423 | /* Draw BAR's handle in the proper position. |
2424 | If the handle is already drawn from START to END, don't bother | |
2425 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2426 | redraw it. (REBUILD is handy for drawing the handle after expose | |
58769bee | 2427 | events.) |
12ba150f JB |
2428 | |
2429 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2430 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2431 | handle, we want to let them drag it down all the way, so that the |
2432 | bar's top is as far down as it goes; otherwise, there's no way to | |
2433 | move to the very end of the buffer. */ | |
f451eb13 | 2434 | static void |
ab648270 JB |
2435 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2436 | struct scroll_bar *bar; | |
f451eb13 | 2437 | int start, end; |
12ba150f | 2438 | int rebuild; |
f451eb13 | 2439 | { |
12ba150f | 2440 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2441 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 RS |
2442 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2443 | GC gc = f->display.x->normal_gc; | |
12ba150f JB |
2444 | |
2445 | /* If the display is already accurate, do nothing. */ | |
2446 | if (! rebuild | |
2447 | && start == XINT (bar->start) | |
2448 | && end == XINT (bar->end)) | |
2449 | return; | |
2450 | ||
f451eb13 JB |
2451 | BLOCK_INPUT; |
2452 | ||
2453 | { | |
ab648270 JB |
2454 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2455 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2456 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2457 | |
2458 | /* Make sure the values are reasonable, and try to preserve | |
2459 | the distance between start and end. */ | |
12ba150f JB |
2460 | { |
2461 | int length = end - start; | |
2462 | ||
2463 | if (start < 0) | |
2464 | start = 0; | |
2465 | else if (start > top_range) | |
2466 | start = top_range; | |
2467 | end = start + length; | |
2468 | ||
2469 | if (end < start) | |
2470 | end = start; | |
2471 | else if (end > top_range && ! dragging) | |
2472 | end = top_range; | |
2473 | } | |
f451eb13 | 2474 | |
ab648270 | 2475 | /* Store the adjusted setting in the scroll bar. */ |
e0c1aef2 KH |
2476 | XSETINT (bar->start, start); |
2477 | XSETINT (bar->end, end); | |
f451eb13 | 2478 | |
12ba150f JB |
2479 | /* Clip the end position, just for display. */ |
2480 | if (end > top_range) | |
2481 | end = top_range; | |
f451eb13 | 2482 | |
ab648270 | 2483 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2484 | below top positions, to make sure the handle is always at least |
2485 | that many pixels tall. */ | |
ab648270 | 2486 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2487 | |
12ba150f JB |
2488 | /* Draw the empty space above the handle. Note that we can't clear |
2489 | zero-height areas; that means "clear to end of window." */ | |
2490 | if (0 < start) | |
334208b7 | 2491 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2492 | |
12ba150f | 2493 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2494 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2495 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2496 | inside_width, start, |
2497 | False); | |
f451eb13 | 2498 | |
12ba150f | 2499 | /* Draw the handle itself. */ |
334208b7 | 2500 | XFillRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 | 2501 | |
12ba150f | 2502 | /* x, y, width, height */ |
ab648270 JB |
2503 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2504 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2505 | inside_width, end - start); |
f451eb13 | 2506 | |
f451eb13 | 2507 | |
12ba150f JB |
2508 | /* Draw the empty space below the handle. Note that we can't |
2509 | clear zero-height areas; that means "clear to end of window." */ | |
2510 | if (end < inside_height) | |
334208b7 | 2511 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2512 | |
12ba150f | 2513 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2514 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2515 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2516 | inside_width, inside_height - end, |
2517 | False); | |
f451eb13 | 2518 | |
f451eb13 JB |
2519 | } |
2520 | ||
f451eb13 JB |
2521 | UNBLOCK_INPUT; |
2522 | } | |
2523 | ||
eb8c3be9 | 2524 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2525 | window configurations. */ |
f451eb13 | 2526 | static void |
ab648270 JB |
2527 | x_scroll_bar_move (bar, top, left, width, height) |
2528 | struct scroll_bar *bar; | |
f451eb13 JB |
2529 | int top, left, width, height; |
2530 | { | |
334208b7 RS |
2531 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2532 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2533 | ||
f451eb13 JB |
2534 | BLOCK_INPUT; |
2535 | ||
2536 | { | |
2537 | XWindowChanges wc; | |
2538 | unsigned int mask = 0; | |
2539 | ||
2540 | wc.x = left; | |
2541 | wc.y = top; | |
2542 | wc.width = width; | |
2543 | wc.height = height; | |
2544 | ||
12ba150f JB |
2545 | if (left != XINT (bar->left)) mask |= CWX; |
2546 | if (top != XINT (bar->top)) mask |= CWY; | |
2547 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2548 | if (height != XINT (bar->height)) mask |= CWHeight; | |
58769bee | 2549 | |
12ba150f | 2550 | if (mask) |
334208b7 | 2551 | XConfigureWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2552 | mask, &wc); |
f451eb13 JB |
2553 | } |
2554 | ||
e0c1aef2 KH |
2555 | XSETINT (bar->left, left); |
2556 | XSETINT (bar->top, top); | |
2557 | XSETINT (bar->width, width); | |
2558 | XSETINT (bar->height, height); | |
12ba150f | 2559 | |
f451eb13 JB |
2560 | UNBLOCK_INPUT; |
2561 | } | |
2562 | ||
ab648270 | 2563 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2564 | to nil. */ |
2565 | static void | |
ab648270 JB |
2566 | x_scroll_bar_remove (bar) |
2567 | struct scroll_bar *bar; | |
12ba150f JB |
2568 | { |
2569 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2570 | ||
2571 | BLOCK_INPUT; | |
2572 | ||
2573 | /* Destroy the window. */ | |
334208b7 | 2574 | XDestroyWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2575 | |
ab648270 JB |
2576 | /* Disassociate this scroll bar from its window. */ |
2577 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2578 | |
2579 | UNBLOCK_INPUT; | |
2580 | } | |
2581 | ||
2582 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2583 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2584 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2585 | create one. */ |
2586 | static void | |
ab648270 | 2587 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2588 | struct window *window; |
2589 | int portion, whole, position; | |
2590 | { | |
2591 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2592 | int top = XINT (window->top); |
ab648270 JB |
2593 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2594 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2595 | |
ab648270 | 2596 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2597 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2598 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
b2cad826 KH |
2599 | int pixel_width |
2600 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
2601 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
2602 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->display.x->font))); | |
ab648270 | 2603 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); |
f451eb13 | 2604 | |
ab648270 | 2605 | struct scroll_bar *bar; |
12ba150f | 2606 | |
ab648270 JB |
2607 | /* Does the scroll bar exist yet? */ |
2608 | if (NILP (window->vertical_scroll_bar)) | |
2609 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2610 | pixel_top, pixel_left, |
2611 | pixel_width, pixel_height); | |
2612 | else | |
12ba150f JB |
2613 | { |
2614 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2615 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2616 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2617 | } |
f451eb13 | 2618 | |
ab648270 | 2619 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2620 | dragged. */ |
12ba150f | 2621 | if (NILP (bar->dragging)) |
f451eb13 | 2622 | { |
12ba150f | 2623 | int top_range = |
ab648270 | 2624 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2625 | |
12ba150f | 2626 | if (whole == 0) |
ab648270 | 2627 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2628 | else |
2629 | { | |
43f868f5 JB |
2630 | int start = ((double) position * top_range) / whole; |
2631 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2632 | |
ab648270 | 2633 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2634 | } |
f451eb13 JB |
2635 | } |
2636 | ||
e0c1aef2 | 2637 | XSETVECTOR (window->vertical_scroll_bar, bar); |
f451eb13 JB |
2638 | } |
2639 | ||
12ba150f | 2640 | |
f451eb13 | 2641 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2642 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2643 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2644 | away is a real pain - "Can you say set-window-configuration, boys |
2645 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2646 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2647 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2648 | |
ab648270 JB |
2649 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2650 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2651 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
58769bee | 2652 | static void |
ab648270 | 2653 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2654 | FRAME_PTR frame; |
2655 | { | |
12ba150f JB |
2656 | /* The condemned list should be empty at this point; if it's not, |
2657 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2658 | protocol correctly. */ | |
ab648270 | 2659 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2660 | abort (); |
2661 | ||
2662 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2663 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2664 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2665 | } |
2666 | ||
ab648270 | 2667 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2668 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2669 | static void |
ab648270 | 2670 | XTredeem_scroll_bar (window) |
12ba150f | 2671 | struct window *window; |
f451eb13 | 2672 | { |
ab648270 | 2673 | struct scroll_bar *bar; |
12ba150f | 2674 | |
ab648270 JB |
2675 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2676 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2677 | abort (); |
2678 | ||
ab648270 | 2679 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2680 | |
2681 | /* Unlink it from the condemned list. */ | |
2682 | { | |
2683 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2684 | ||
2685 | if (NILP (bar->prev)) | |
2686 | { | |
2687 | /* If the prev pointer is nil, it must be the first in one of | |
2688 | the lists. */ | |
ab648270 | 2689 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2690 | /* It's not condemned. Everything's fine. */ |
2691 | return; | |
ab648270 JB |
2692 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2693 | window->vertical_scroll_bar)) | |
2694 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2695 | else |
2696 | /* If its prev pointer is nil, it must be at the front of | |
2697 | one or the other! */ | |
2698 | abort (); | |
2699 | } | |
2700 | else | |
ab648270 | 2701 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2702 | |
2703 | if (! NILP (bar->next)) | |
ab648270 | 2704 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2705 | |
ab648270 | 2706 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2707 | bar->prev = Qnil; |
e0c1aef2 | 2708 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2709 | if (! NILP (bar->next)) |
e0c1aef2 | 2710 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
12ba150f | 2711 | } |
f451eb13 JB |
2712 | } |
2713 | ||
ab648270 JB |
2714 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2715 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2716 | static void |
ab648270 | 2717 | XTjudge_scroll_bars (f) |
12ba150f | 2718 | FRAME_PTR f; |
f451eb13 | 2719 | { |
12ba150f | 2720 | Lisp_Object bar, next; |
f451eb13 | 2721 | |
ab648270 | 2722 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2723 | |
2724 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2725 | more events on the hapless scroll bars. */ |
2726 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2727 | |
2728 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2729 | { |
ab648270 | 2730 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2731 | |
ab648270 | 2732 | x_scroll_bar_remove (b); |
12ba150f JB |
2733 | |
2734 | next = b->next; | |
2735 | b->next = b->prev = Qnil; | |
f451eb13 | 2736 | } |
12ba150f | 2737 | |
ab648270 | 2738 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2739 | and they should get garbage-collected. */ |
f451eb13 JB |
2740 | } |
2741 | ||
2742 | ||
ab648270 JB |
2743 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2744 | ||
2745 | This may be called from a signal handler, so we have to ignore GC | |
2746 | mark bits. */ | |
f451eb13 | 2747 | static void |
ab648270 JB |
2748 | x_scroll_bar_expose (bar, event) |
2749 | struct scroll_bar *bar; | |
f451eb13 JB |
2750 | XEvent *event; |
2751 | { | |
ab648270 | 2752 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 RS |
2753 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2754 | GC gc = f->display.x->normal_gc; | |
12ba150f | 2755 | |
f451eb13 JB |
2756 | BLOCK_INPUT; |
2757 | ||
ab648270 | 2758 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2759 | |
ab648270 | 2760 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
334208b7 | 2761 | XDrawRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 JB |
2762 | |
2763 | /* x, y, width, height */ | |
12ba150f | 2764 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2765 | |
f451eb13 JB |
2766 | UNBLOCK_INPUT; |
2767 | } | |
2768 | ||
ab648270 JB |
2769 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2770 | is set to something other than no_event, it is enqueued. | |
2771 | ||
2772 | This may be called from a signal handler, so we have to ignore GC | |
2773 | mark bits. */ | |
f451eb13 | 2774 | static void |
ab648270 JB |
2775 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2776 | struct scroll_bar *bar; | |
f451eb13 JB |
2777 | XEvent *event; |
2778 | struct input_event *emacs_event; | |
2779 | { | |
ab648270 | 2780 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2781 | abort (); |
2782 | ||
ab648270 | 2783 | emacs_event->kind = scroll_bar_click; |
69388238 | 2784 | emacs_event->code = event->xbutton.button - Button1; |
f451eb13 | 2785 | emacs_event->modifiers = |
334208b7 RS |
2786 | (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))), |
2787 | event->xbutton.state) | |
f451eb13 JB |
2788 | | (event->type == ButtonRelease |
2789 | ? up_modifier | |
2790 | : down_modifier)); | |
12ba150f | 2791 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2792 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2793 | { |
2794 | int internal_height = | |
ab648270 | 2795 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2796 | int top_range = |
ab648270 JB |
2797 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2798 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2799 | |
2800 | if (y < 0) y = 0; | |
2801 | if (y > top_range) y = top_range; | |
2802 | ||
2803 | if (y < XINT (bar->start)) | |
ab648270 JB |
2804 | emacs_event->part = scroll_bar_above_handle; |
2805 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2806 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2807 | else |
ab648270 | 2808 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2809 | |
2810 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2811 | they want to drag it. Lisp code needs to be able to decide |
2812 | whether or not we're dragging. */ | |
929787e1 | 2813 | #if 0 |
12ba150f JB |
2814 | /* If the user has just clicked on the handle, record where they're |
2815 | holding it. */ | |
2816 | if (event->type == ButtonPress | |
ab648270 | 2817 | && emacs_event->part == scroll_bar_handle) |
e0c1aef2 | 2818 | XSETINT (bar->dragging, y - XINT (bar->start)); |
929787e1 | 2819 | #endif |
12ba150f JB |
2820 | |
2821 | /* If the user has released the handle, set it to its final position. */ | |
2822 | if (event->type == ButtonRelease | |
2823 | && ! NILP (bar->dragging)) | |
2824 | { | |
2825 | int new_start = y - XINT (bar->dragging); | |
2826 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2827 | |
ab648270 | 2828 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2829 | bar->dragging = Qnil; |
2830 | } | |
f451eb13 | 2831 | |
5116f055 JB |
2832 | /* Same deal here as the other #if 0. */ |
2833 | #if 0 | |
58769bee | 2834 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 2835 | the handle. */ |
ab648270 | 2836 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2837 | emacs_event->x = bar->start; |
2838 | else | |
e0c1aef2 | 2839 | XSETINT (emacs_event->x, y); |
5116f055 | 2840 | #else |
e0c1aef2 | 2841 | XSETINT (emacs_event->x, y); |
5116f055 | 2842 | #endif |
f451eb13 | 2843 | |
e0c1aef2 | 2844 | XSETINT (emacs_event->y, top_range); |
12ba150f JB |
2845 | } |
2846 | } | |
f451eb13 | 2847 | |
ab648270 JB |
2848 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2849 | ||
2850 | This may be called from a signal handler, so we have to ignore GC | |
2851 | mark bits. */ | |
f451eb13 | 2852 | static void |
ab648270 JB |
2853 | x_scroll_bar_note_movement (bar, event) |
2854 | struct scroll_bar *bar; | |
f451eb13 JB |
2855 | XEvent *event; |
2856 | { | |
2857 | last_mouse_movement_time = event->xmotion.time; | |
2858 | ||
2859 | mouse_moved = 1; | |
e0c1aef2 | 2860 | XSETVECTOR (last_mouse_scroll_bar, bar); |
f451eb13 JB |
2861 | |
2862 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2863 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2864 | { |
2865 | /* Where should the handle be now? */ | |
12ba150f | 2866 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2867 | |
12ba150f | 2868 | if (new_start != XINT (bar->start)) |
f451eb13 | 2869 | { |
12ba150f | 2870 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
58769bee | 2871 | |
ab648270 | 2872 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2873 | } |
2874 | } | |
2875 | ||
2876 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2877 | moves and we can see *still* on the same position. */ | |
2878 | { | |
2879 | int dummy; | |
847e150a | 2880 | Window dummy_window; |
58769bee | 2881 | |
f451eb13 | 2882 | XQueryPointer (event->xmotion.display, event->xmotion.window, |
847e150a | 2883 | &dummy_window, &dummy_window, |
f451eb13 JB |
2884 | &dummy, &dummy, &dummy, &dummy, |
2885 | (unsigned int *) &dummy); | |
2886 | } | |
2887 | } | |
2888 | ||
12ba150f | 2889 | /* Return information to the user about the current position of the mouse |
ab648270 | 2890 | on the scroll bar. */ |
12ba150f | 2891 | static void |
334208b7 RS |
2892 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
2893 | FRAME_PTR *fp; | |
12ba150f | 2894 | Lisp_Object *bar_window; |
ab648270 | 2895 | enum scroll_bar_part *part; |
12ba150f JB |
2896 | Lisp_Object *x, *y; |
2897 | unsigned long *time; | |
2898 | { | |
ab648270 | 2899 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
334208b7 RS |
2900 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2901 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
12ba150f | 2902 | int win_x, win_y; |
559cb2fb JB |
2903 | Window dummy_window; |
2904 | int dummy_coord; | |
2905 | unsigned int dummy_mask; | |
12ba150f | 2906 | |
cf7cb199 JB |
2907 | BLOCK_INPUT; |
2908 | ||
ab648270 | 2909 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 2910 | report that. */ |
334208b7 | 2911 | if (! XQueryPointer (FRAME_X_DISPLAY (f), w, |
12ba150f | 2912 | |
559cb2fb JB |
2913 | /* Root, child, root x and root y. */ |
2914 | &dummy_window, &dummy_window, | |
2915 | &dummy_coord, &dummy_coord, | |
12ba150f | 2916 | |
559cb2fb JB |
2917 | /* Position relative to scroll bar. */ |
2918 | &win_x, &win_y, | |
12ba150f | 2919 | |
559cb2fb JB |
2920 | /* Mouse buttons and modifier keys. */ |
2921 | &dummy_mask)) | |
7a13e894 | 2922 | ; |
559cb2fb JB |
2923 | else |
2924 | { | |
2925 | int inside_height | |
2926 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2927 | int top_range | |
2928 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2929 | ||
2930 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
2931 | ||
2932 | if (! NILP (bar->dragging)) | |
2933 | win_y -= XINT (bar->dragging); | |
2934 | ||
2935 | if (win_y < 0) | |
2936 | win_y = 0; | |
2937 | if (win_y > top_range) | |
2938 | win_y = top_range; | |
2939 | ||
334208b7 | 2940 | *fp = f; |
7a13e894 | 2941 | *bar_window = bar->window; |
559cb2fb JB |
2942 | |
2943 | if (! NILP (bar->dragging)) | |
2944 | *part = scroll_bar_handle; | |
2945 | else if (win_y < XINT (bar->start)) | |
2946 | *part = scroll_bar_above_handle; | |
2947 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2948 | *part = scroll_bar_handle; | |
2949 | else | |
2950 | *part = scroll_bar_below_handle; | |
12ba150f | 2951 | |
e0c1aef2 KH |
2952 | XSETINT (*x, win_y); |
2953 | XSETINT (*y, top_range); | |
12ba150f | 2954 | |
559cb2fb JB |
2955 | mouse_moved = 0; |
2956 | last_mouse_scroll_bar = Qnil; | |
2957 | } | |
12ba150f | 2958 | |
559cb2fb | 2959 | *time = last_mouse_movement_time; |
cf7cb199 | 2960 | |
cf7cb199 | 2961 | UNBLOCK_INPUT; |
12ba150f JB |
2962 | } |
2963 | ||
f451eb13 | 2964 | |
dbc4e1c1 | 2965 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2966 | background colors, and the scroll bars may need to be redrawn. |
2967 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2968 | redraw them. */ |
2969 | ||
ab648270 | 2970 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2971 | FRAME_PTR f; |
2972 | { | |
2973 | Lisp_Object bar; | |
2974 | ||
9bc4522e | 2975 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); |
ab648270 | 2976 | bar = XSCROLL_BAR (bar)->next) |
334208b7 | 2977 | XClearArea (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), |
dbc4e1c1 JB |
2978 | 0, 0, 0, 0, True); |
2979 | } | |
2980 | ||
3afe33e7 RS |
2981 | /* This processes Expose events from the menubar specific X event |
2982 | loop in menubar.c. This allows to redisplay the frame if necessary | |
2983 | when handling menubar or popup items. */ | |
2984 | ||
2985 | void | |
2986 | process_expose_from_menu (event) | |
2987 | XEvent event; | |
2988 | { | |
2989 | FRAME_PTR f; | |
2990 | ||
f94397b5 KH |
2991 | BLOCK_INPUT; |
2992 | ||
3afe33e7 RS |
2993 | f = x_window_to_frame (event.xexpose.window); |
2994 | if (f) | |
2995 | { | |
2996 | if (f->async_visible == 0) | |
2997 | { | |
2998 | f->async_visible = 1; | |
2999 | f->async_iconified = 0; | |
3000 | SET_FRAME_GARBAGED (f); | |
3001 | } | |
3002 | else | |
3003 | { | |
3004 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3005 | event.xexpose.x, event.xexpose.y, | |
3006 | event.xexpose.width, event.xexpose.height); | |
3007 | } | |
3008 | } | |
3009 | else | |
3010 | { | |
3011 | struct scroll_bar *bar | |
3012 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3013 | |
3afe33e7 RS |
3014 | if (bar) |
3015 | x_scroll_bar_expose (bar, &event); | |
3016 | } | |
f94397b5 KH |
3017 | |
3018 | UNBLOCK_INPUT; | |
3afe33e7 | 3019 | } |
09756a85 RS |
3020 | \f |
3021 | /* Define a queue to save up SelectionRequest events for later handling. */ | |
3022 | ||
3023 | struct selection_event_queue | |
3024 | { | |
3025 | XEvent event; | |
3026 | struct selection_event_queue *next; | |
3027 | }; | |
3028 | ||
3029 | static struct selection_event_queue *queue; | |
3030 | ||
3031 | /* Nonzero means queue up certain events--don't process them yet. */ | |
3032 | static int x_queue_selection_requests; | |
3033 | ||
3034 | /* Queue up an X event *EVENT, to be processed later. */ | |
dbc4e1c1 | 3035 | |
09756a85 | 3036 | static void |
334208b7 RS |
3037 | x_queue_event (f, event) |
3038 | FRAME_PTR f; | |
09756a85 RS |
3039 | XEvent *event; |
3040 | { | |
3041 | struct selection_event_queue *queue_tmp | |
3042 | = (struct selection_event_queue *) malloc (sizeof (struct selection_event_queue)); | |
3043 | ||
58769bee | 3044 | if (queue_tmp != NULL) |
09756a85 RS |
3045 | { |
3046 | queue_tmp->event = *event; | |
3047 | queue_tmp->next = queue; | |
3048 | queue = queue_tmp; | |
3049 | } | |
3050 | } | |
3051 | ||
3052 | /* Take all the queued events and put them back | |
3053 | so that they get processed afresh. */ | |
3054 | ||
3055 | static void | |
334208b7 RS |
3056 | x_unqueue_events (f) |
3057 | FRAME_PTR f; | |
09756a85 | 3058 | { |
58769bee | 3059 | while (queue != NULL) |
09756a85 RS |
3060 | { |
3061 | struct selection_event_queue *queue_tmp = queue; | |
334208b7 | 3062 | XPutBackEvent (FRAME_X_DISPLAY (f), &queue_tmp->event); |
09756a85 RS |
3063 | queue = queue_tmp->next; |
3064 | free ((char *)queue_tmp); | |
3065 | } | |
3066 | } | |
3067 | ||
3068 | /* Start queuing SelectionRequest events. */ | |
3069 | ||
3070 | void | |
334208b7 RS |
3071 | x_start_queuing_selection_requests (f) |
3072 | FRAME_PTR f; | |
09756a85 RS |
3073 | { |
3074 | x_queue_selection_requests++; | |
3075 | } | |
3076 | ||
3077 | /* Stop queuing SelectionRequest events. */ | |
3078 | ||
3079 | void | |
334208b7 RS |
3080 | x_stop_queuing_selection_requests (f) |
3081 | FRAME_PTR f; | |
09756a85 RS |
3082 | { |
3083 | x_queue_selection_requests--; | |
334208b7 | 3084 | x_unqueue_events (f); |
09756a85 | 3085 | } |
f451eb13 JB |
3086 | \f |
3087 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3088 | |
dc6f92b8 JB |
3089 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3090 | but we have to put it out here, since static variables within functions | |
3091 | sometimes don't work. */ | |
3092 | static Time enter_timestamp; | |
3093 | ||
11edeb03 | 3094 | /* This holds the state XLookupString needs to implement dead keys |
58769bee | 3095 | and other tricks known as "compose processing". _X Window System_ |
11edeb03 JB |
3096 | says that a portable program can't use this, but Stephen Gildea assures |
3097 | me that letting the compiler initialize it to zeros will work okay. | |
3098 | ||
3099 | This must be defined outside of XTread_socket, for the same reasons | |
3100 | given for enter_timestamp, above. */ | |
3101 | static XComposeStatus compose_status; | |
3102 | ||
10e6549c RS |
3103 | /* Record the last 100 characters stored |
3104 | to help debug the loss-of-chars-during-GC problem. */ | |
3105 | int temp_index; | |
3106 | short temp_buffer[100]; | |
3107 | ||
7a13e894 RS |
3108 | /* Set this to nonzero to fake an "X I/O error" |
3109 | on a particular display. */ | |
3110 | struct x_display_info *XTread_socket_fake_io_error; | |
3111 | ||
dc6f92b8 JB |
3112 | /* Read events coming from the X server. |
3113 | This routine is called by the SIGIO handler. | |
3114 | We return as soon as there are no more events to be read. | |
3115 | ||
3116 | Events representing keys are stored in buffer BUFP, | |
3117 | which can hold up to NUMCHARS characters. | |
3118 | We return the number of characters stored into the buffer, | |
3119 | thus pretending to be `read'. | |
3120 | ||
3121 | WAITP is nonzero if we should block until input arrives. | |
3122 | EXPECTED is nonzero if the caller knows input is available. */ | |
3123 | ||
7c5283e4 | 3124 | int |
dc6f92b8 JB |
3125 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3126 | register int sd; | |
3127 | register struct input_event *bufp; | |
3128 | register int numchars; | |
3129 | int waitp; | |
3130 | int expected; | |
3131 | { | |
3132 | int count = 0; | |
3133 | int nbytes = 0; | |
3134 | int mask; | |
3135 | int items_pending; /* How many items are in the X queue. */ | |
3136 | XEvent event; | |
f676886a | 3137 | struct frame *f; |
66f55a9d | 3138 | int event_found = 0; |
dc6f92b8 JB |
3139 | int prefix; |
3140 | Lisp_Object part; | |
334208b7 | 3141 | struct x_display_info *dpyinfo; |
dc6f92b8 | 3142 | |
9ac0d9e0 | 3143 | if (interrupt_input_blocked) |
dc6f92b8 | 3144 | { |
9ac0d9e0 | 3145 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3146 | return -1; |
3147 | } | |
3148 | ||
9ac0d9e0 | 3149 | interrupt_input_pending = 0; |
dc6f92b8 | 3150 | BLOCK_INPUT; |
c0a04927 RS |
3151 | |
3152 | /* So people can tell when we have read the available input. */ | |
3153 | input_signal_count++; | |
3154 | ||
dc6f92b8 JB |
3155 | if (numchars <= 0) |
3156 | abort (); /* Don't think this happens. */ | |
3157 | ||
7a13e894 RS |
3158 | /* Find the display we are supposed to read input for. |
3159 | It's the one communicating on descriptor SD. */ | |
3160 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
3161 | { | |
3162 | #if 0 /* This ought to be unnecessary; let's verify it. */ | |
dc6f92b8 | 3163 | #ifdef FIOSNBIO |
7a13e894 RS |
3164 | /* If available, Xlib uses FIOSNBIO to make the socket |
3165 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3166 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3167 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
3168 | fcntl (dpyinfo->connection, F_SETFL, 0); | |
c118dd06 | 3169 | #endif /* ! defined (FIOSNBIO) */ |
7a13e894 | 3170 | #endif |
dc6f92b8 | 3171 | |
7a13e894 RS |
3172 | #if 0 /* This code can't be made to work, with multiple displays, |
3173 | and appears not to be used on any system any more. | |
3174 | Also keyboard.c doesn't turn O_NDELAY on and off | |
3175 | for X connections. */ | |
dc6f92b8 JB |
3176 | #ifndef SIGIO |
3177 | #ifndef HAVE_SELECT | |
7a13e894 RS |
3178 | if (! (fcntl (dpyinfo->connection, F_GETFL, 0) & O_NDELAY)) |
3179 | { | |
3180 | extern int read_alarm_should_throw; | |
3181 | read_alarm_should_throw = 1; | |
3182 | XPeekEvent (dpyinfo->display, &event); | |
3183 | read_alarm_should_throw = 0; | |
3184 | } | |
c118dd06 JB |
3185 | #endif /* HAVE_SELECT */ |
3186 | #endif /* SIGIO */ | |
7a13e894 | 3187 | #endif |
dc6f92b8 | 3188 | |
7a13e894 RS |
3189 | /* For debugging, this gives a way to fake an I/O error. */ |
3190 | if (dpyinfo == XTread_socket_fake_io_error) | |
3191 | { | |
3192 | XTread_socket_fake_io_error = 0; | |
3193 | x_io_error_quitter (dpyinfo->display); | |
3194 | } | |
dc6f92b8 | 3195 | |
7a13e894 | 3196 | while (XPending (dpyinfo->display) != 0) |
dc6f92b8 | 3197 | { |
7a13e894 RS |
3198 | XNextEvent (dpyinfo->display, &event); |
3199 | event_found = 1; | |
3200 | ||
3201 | switch (event.type) | |
3202 | { | |
3203 | case ClientMessage: | |
c047688c | 3204 | { |
7a13e894 RS |
3205 | if (event.xclient.message_type |
3206 | == dpyinfo->Xatom_wm_protocols | |
3207 | && event.xclient.format == 32) | |
c047688c | 3208 | { |
7a13e894 RS |
3209 | if (event.xclient.data.l[0] |
3210 | == dpyinfo->Xatom_wm_take_focus) | |
c047688c | 3211 | { |
7a13e894 RS |
3212 | f = x_window_to_frame (event.xclient.window); |
3213 | /* Since we set WM_TAKE_FOCUS, we must call | |
3214 | XSetInputFocus explicitly. But not if f is null, | |
3215 | since that might be an event for a deleted frame. */ | |
3216 | if (f) | |
3217 | XSetInputFocus (event.xclient.display, | |
3218 | event.xclient.window, | |
3219 | RevertToPointerRoot, | |
3220 | event.xclient.data.l[1]); | |
3221 | /* Not certain about handling scroll bars here */ | |
c047688c | 3222 | } |
7a13e894 RS |
3223 | else if (event.xclient.data.l[0] |
3224 | == dpyinfo->Xatom_wm_save_yourself) | |
3225 | { | |
3226 | /* Save state modify the WM_COMMAND property to | |
3227 | something which can reinstate us. This notifies | |
3228 | the session manager, who's looking for such a | |
3229 | PropertyNotify. Can restart processing when | |
3230 | a keyboard or mouse event arrives. */ | |
3231 | if (numchars > 0) | |
3232 | { | |
3233 | f = x_top_window_to_frame (event.xclient.window); | |
3234 | ||
3235 | /* This is just so we only give real data once | |
3236 | for a single Emacs process. */ | |
3237 | if (f == selected_frame) | |
3238 | XSetCommand (FRAME_X_DISPLAY (f), | |
3239 | event.xclient.window, | |
3240 | initial_argv, initial_argc); | |
3241 | else | |
3242 | XSetCommand (FRAME_X_DISPLAY (f), | |
3243 | event.xclient.window, | |
3244 | 0, 0); | |
3245 | } | |
3246 | } | |
3247 | else if (event.xclient.data.l[0] | |
3248 | == dpyinfo->Xatom_wm_delete_window) | |
1fb20991 | 3249 | { |
7a13e894 | 3250 | struct frame *f = x_any_window_to_frame (event.xclient.window); |
1fb20991 | 3251 | |
7a13e894 RS |
3252 | if (f) |
3253 | { | |
3254 | if (numchars == 0) | |
3255 | abort (); | |
1fb20991 | 3256 | |
7a13e894 RS |
3257 | bufp->kind = delete_window_event; |
3258 | XSETFRAME (bufp->frame_or_window, f); | |
3259 | bufp++; | |
3260 | ||
3261 | count += 1; | |
3262 | numchars -= 1; | |
3263 | } | |
1fb20991 | 3264 | } |
c047688c | 3265 | } |
7a13e894 RS |
3266 | else if (event.xclient.message_type |
3267 | == dpyinfo->Xatom_wm_configure_denied) | |
3268 | { | |
3269 | } | |
3270 | else if (event.xclient.message_type | |
3271 | == dpyinfo->Xatom_wm_window_moved) | |
3272 | { | |
3273 | int new_x, new_y; | |
3274 | struct frame *f = x_window_to_frame (event.xclient.window); | |
58769bee | 3275 | |
7a13e894 RS |
3276 | new_x = event.xclient.data.s[0]; |
3277 | new_y = event.xclient.data.s[1]; | |
1fb20991 | 3278 | |
7a13e894 RS |
3279 | if (f) |
3280 | { | |
3281 | f->display.x->left_pos = new_x; | |
3282 | f->display.x->top_pos = new_y; | |
3283 | } | |
1fb20991 | 3284 | } |
5627c40e | 3285 | #if defined (USE_X_TOOLKIT) && defined (HAVE_X11R5) |
7a13e894 RS |
3286 | else if (event.xclient.message_type |
3287 | == dpyinfo->Xatom_editres) | |
3288 | { | |
3289 | struct frame *f = x_any_window_to_frame (event.xclient.window); | |
3290 | _XEditResCheckMessages (f->display.x->widget, NULL, &event, NULL); | |
3291 | } | |
5627c40e | 3292 | #endif /* USE_X_TOOLKIT and HAVE_X11R5 */ |
7a13e894 RS |
3293 | } |
3294 | break; | |
dc6f92b8 | 3295 | |
7a13e894 | 3296 | case SelectionNotify: |
3afe33e7 | 3297 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3298 | if (! x_window_to_frame (event.xselection.requestor)) |
3299 | goto OTHER; | |
3afe33e7 | 3300 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3301 | x_handle_selection_notify (&event); |
3302 | break; | |
d56a553a | 3303 | |
7a13e894 | 3304 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3305 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3306 | if (! x_window_to_frame (event.xselectionclear.window)) |
3307 | goto OTHER; | |
3afe33e7 | 3308 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3309 | { |
3310 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
d56a553a | 3311 | |
7a13e894 RS |
3312 | if (numchars == 0) |
3313 | abort (); | |
d56a553a | 3314 | |
7a13e894 RS |
3315 | bufp->kind = selection_clear_event; |
3316 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3317 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3318 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3319 | bufp++; | |
d56a553a | 3320 | |
7a13e894 RS |
3321 | count += 1; |
3322 | numchars -= 1; | |
3323 | } | |
3324 | break; | |
dc6f92b8 | 3325 | |
7a13e894 | 3326 | case SelectionRequest: /* Someone wants our selection. */ |
3afe33e7 | 3327 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3328 | if (!x_window_to_frame (event.xselectionrequest.owner)) |
3329 | goto OTHER; | |
3afe33e7 | 3330 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3331 | if (x_queue_selection_requests) |
3332 | x_queue_event (x_window_to_frame (event.xselectionrequest.owner), | |
3333 | &event); | |
3334 | else | |
3335 | { | |
3336 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
dc6f92b8 | 3337 | |
7a13e894 RS |
3338 | if (numchars == 0) |
3339 | abort (); | |
3340 | ||
3341 | bufp->kind = selection_request_event; | |
3342 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3343 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3344 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3345 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3346 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3347 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3348 | bufp++; | |
3349 | ||
3350 | count += 1; | |
3351 | numchars -= 1; | |
3352 | } | |
3353 | break; | |
3354 | ||
3355 | case PropertyNotify: | |
3afe33e7 | 3356 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3357 | if (!x_any_window_to_frame (event.xproperty.window)) |
3358 | goto OTHER; | |
3afe33e7 | 3359 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3360 | x_handle_property_notify (&event); |
3361 | break; | |
dc6f92b8 | 3362 | |
7a13e894 RS |
3363 | case ReparentNotify: |
3364 | f = x_top_window_to_frame (event.xreparent.window); | |
3365 | if (f) | |
3366 | { | |
3367 | int x, y; | |
3368 | f->display.x->parent_desc = event.xreparent.parent; | |
3369 | x_real_positions (f, &x, &y); | |
3370 | f->display.x->left_pos = x; | |
3371 | f->display.x->top_pos = y; | |
3372 | } | |
3373 | break; | |
3bd330d4 | 3374 | |
7a13e894 RS |
3375 | case Expose: |
3376 | f = x_window_to_frame (event.xexpose.window); | |
3377 | if (f) | |
dc6f92b8 | 3378 | { |
7a13e894 RS |
3379 | if (f->async_visible == 0) |
3380 | { | |
3381 | f->async_visible = 1; | |
3382 | f->async_iconified = 0; | |
3383 | SET_FRAME_GARBAGED (f); | |
3384 | } | |
3385 | else | |
3386 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3387 | event.xexpose.x, event.xexpose.y, | |
3388 | event.xexpose.width, event.xexpose.height); | |
dc6f92b8 JB |
3389 | } |
3390 | else | |
7a13e894 RS |
3391 | { |
3392 | struct scroll_bar *bar | |
3393 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3394 | |
7a13e894 RS |
3395 | if (bar) |
3396 | x_scroll_bar_expose (bar, &event); | |
3afe33e7 | 3397 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3398 | else |
3399 | goto OTHER; | |
3afe33e7 | 3400 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3401 | } |
3402 | break; | |
dc6f92b8 | 3403 | |
7a13e894 RS |
3404 | case GraphicsExpose: /* This occurs when an XCopyArea's |
3405 | source area was obscured or not | |
3406 | available.*/ | |
3407 | f = x_window_to_frame (event.xgraphicsexpose.drawable); | |
3408 | if (f) | |
3409 | { | |
3410 | dumprectangle (f, | |
3411 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3412 | event.xgraphicsexpose.width, | |
3413 | event.xgraphicsexpose.height); | |
3414 | } | |
3afe33e7 | 3415 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3416 | else |
3417 | goto OTHER; | |
3afe33e7 | 3418 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3419 | break; |
dc6f92b8 | 3420 | |
7a13e894 RS |
3421 | case NoExpose: /* This occurs when an XCopyArea's |
3422 | source area was completely | |
3423 | available */ | |
3424 | break; | |
dc6f92b8 | 3425 | |
7a13e894 RS |
3426 | case UnmapNotify: |
3427 | f = x_any_window_to_frame (event.xunmap.window); | |
3428 | if (f) /* F may no longer exist if | |
3429 | the frame was deleted. */ | |
3430 | { | |
3431 | /* While a frame is unmapped, display generation is | |
3432 | disabled; you don't want to spend time updating a | |
3433 | display that won't ever be seen. */ | |
3434 | f->async_visible = 0; | |
3435 | /* We can't distinguish, from the event, whether the window | |
3436 | has become iconified or invisible. So assume, if it | |
3437 | was previously visible, than now it is iconified. | |
3438 | We depend on x_make_frame_invisible to mark it iconified. */ | |
3439 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) | |
3440 | f->async_iconified = 1; | |
3441 | } | |
3afe33e7 | 3442 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3443 | goto OTHER; |
3afe33e7 | 3444 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3445 | break; |
dc6f92b8 | 3446 | |
7a13e894 RS |
3447 | case MapNotify: |
3448 | /* We use x_top_window_to_frame because map events can come | |
3449 | for subwindows and they don't mean that the frame is visible. */ | |
3450 | f = x_top_window_to_frame (event.xmap.window); | |
3451 | if (f) | |
3452 | { | |
3453 | f->async_visible = 1; | |
3454 | f->async_iconified = 0; | |
dc6f92b8 | 3455 | |
7a13e894 RS |
3456 | /* wait_reading_process_input will notice this and update |
3457 | the frame's display structures. */ | |
3458 | SET_FRAME_GARBAGED (f); | |
3459 | } | |
3afe33e7 | 3460 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3461 | goto OTHER; |
3afe33e7 | 3462 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3463 | break; |
dc6f92b8 | 3464 | |
7a13e894 RS |
3465 | /* Turn off processing if we become fully obscured. */ |
3466 | case VisibilityNotify: | |
3467 | break; | |
dc6f92b8 | 3468 | |
7a13e894 RS |
3469 | case KeyPress: |
3470 | f = x_any_window_to_frame (event.xkey.window); | |
f451eb13 | 3471 | |
7a13e894 RS |
3472 | if (f != 0) |
3473 | { | |
3474 | KeySym keysym, orig_keysym; | |
3475 | /* al%imercury@uunet.uu.net says that making this 81 instead of | |
3476 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3477 | unsigned char copy_buffer[81]; | |
3478 | int modifiers; | |
64bb1782 | 3479 | |
7a13e894 RS |
3480 | event.xkey.state |
3481 | |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3482 | extra_keyboard_modifiers); | |
3483 | modifiers = event.xkey.state; | |
3a2712f9 | 3484 | |
7a13e894 | 3485 | /* This will have to go some day... */ |
752a043f | 3486 | |
7a13e894 RS |
3487 | /* make_lispy_event turns chars into control chars. |
3488 | Don't do it here because XLookupString is too eager. */ | |
3489 | event.xkey.state &= ~ControlMask; | |
3490 | nbytes = | |
3491 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
3492 | &compose_status); | |
dc6f92b8 | 3493 | |
7a13e894 | 3494 | orig_keysym = keysym; |
55123275 | 3495 | |
7a13e894 RS |
3496 | if (numchars > 1) |
3497 | { | |
3498 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) | |
3499 | || keysym == XK_Delete | |
3500 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3501 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3502 | #ifdef HPUX |
7a13e894 RS |
3503 | /* This recognizes the "extended function keys". |
3504 | It seems there's no cleaner way. | |
3505 | Test IsModifierKey to avoid handling mode_switch | |
3506 | incorrectly. */ | |
3507 | || ((unsigned) (keysym) >= XK_Select | |
3508 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3509 | #endif |
3510 | #ifdef XK_dead_circumflex | |
7a13e894 | 3511 | || orig_keysym == XK_dead_circumflex |
69388238 RS |
3512 | #endif |
3513 | #ifdef XK_dead_grave | |
7a13e894 | 3514 | || orig_keysym == XK_dead_grave |
69388238 RS |
3515 | #endif |
3516 | #ifdef XK_dead_tilde | |
7a13e894 | 3517 | || orig_keysym == XK_dead_tilde |
69388238 RS |
3518 | #endif |
3519 | #ifdef XK_dead_diaeresis | |
7a13e894 | 3520 | || orig_keysym == XK_dead_diaeresis |
69388238 RS |
3521 | #endif |
3522 | #ifdef XK_dead_macron | |
7a13e894 | 3523 | || orig_keysym == XK_dead_macron |
69388238 RS |
3524 | #endif |
3525 | #ifdef XK_dead_degree | |
7a13e894 | 3526 | || orig_keysym == XK_dead_degree |
69388238 RS |
3527 | #endif |
3528 | #ifdef XK_dead_acute | |
7a13e894 | 3529 | || orig_keysym == XK_dead_acute |
69388238 RS |
3530 | #endif |
3531 | #ifdef XK_dead_cedilla | |
7a13e894 | 3532 | || orig_keysym == XK_dead_cedilla |
69388238 RS |
3533 | #endif |
3534 | #ifdef XK_dead_breve | |
7a13e894 | 3535 | || orig_keysym == XK_dead_breve |
69388238 RS |
3536 | #endif |
3537 | #ifdef XK_dead_ogonek | |
7a13e894 | 3538 | || orig_keysym == XK_dead_ogonek |
69388238 RS |
3539 | #endif |
3540 | #ifdef XK_dead_caron | |
7a13e894 | 3541 | || orig_keysym == XK_dead_caron |
69388238 RS |
3542 | #endif |
3543 | #ifdef XK_dead_doubleacute | |
7a13e894 | 3544 | || orig_keysym == XK_dead_doubleacute |
69388238 RS |
3545 | #endif |
3546 | #ifdef XK_dead_abovedot | |
7a13e894 | 3547 | || orig_keysym == XK_dead_abovedot |
c34790e0 | 3548 | #endif |
7a13e894 RS |
3549 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3550 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
3551 | /* Any "vendor-specific" key is ok. */ | |
3552 | || (orig_keysym & (1 << 28))) | |
3553 | && ! (IsModifierKey (orig_keysym) | |
7719aa06 RS |
3554 | #ifndef HAVE_X11R5 |
3555 | #ifdef XK_Mode_switch | |
7a13e894 | 3556 | || ((unsigned)(orig_keysym) == XK_Mode_switch) |
7719aa06 RS |
3557 | #endif |
3558 | #ifdef XK_Num_Lock | |
7a13e894 | 3559 | || ((unsigned)(orig_keysym) == XK_Num_Lock) |
7719aa06 RS |
3560 | #endif |
3561 | #endif /* not HAVE_X11R5 */ | |
7a13e894 | 3562 | )) |
dc6f92b8 | 3563 | { |
10e6549c RS |
3564 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3565 | temp_index = 0; | |
7a13e894 RS |
3566 | temp_buffer[temp_index++] = keysym; |
3567 | bufp->kind = non_ascii_keystroke; | |
3568 | bufp->code = keysym; | |
e0c1aef2 | 3569 | XSETFRAME (bufp->frame_or_window, f); |
334208b7 RS |
3570 | bufp->modifiers |
3571 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3572 | modifiers); | |
1113d9db | 3573 | bufp->timestamp = event.xkey.time; |
dc6f92b8 | 3574 | bufp++; |
7a13e894 RS |
3575 | count++; |
3576 | numchars--; | |
dc6f92b8 | 3577 | } |
7a13e894 RS |
3578 | else if (numchars > nbytes) |
3579 | { | |
3580 | register int i; | |
3581 | ||
3582 | for (i = 0; i < nbytes; i++) | |
3583 | { | |
3584 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
3585 | temp_index = 0; | |
3586 | temp_buffer[temp_index++] = copy_buffer[i]; | |
3587 | bufp->kind = ascii_keystroke; | |
3588 | bufp->code = copy_buffer[i]; | |
3589 | XSETFRAME (bufp->frame_or_window, f); | |
3590 | bufp->modifiers | |
3591 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3592 | modifiers); | |
3593 | bufp->timestamp = event.xkey.time; | |
3594 | bufp++; | |
3595 | } | |
3596 | ||
3597 | count += nbytes; | |
3598 | numchars -= nbytes; | |
3599 | } | |
3600 | else | |
3601 | abort (); | |
dc6f92b8 | 3602 | } |
10e6549c RS |
3603 | else |
3604 | abort (); | |
dc6f92b8 | 3605 | } |
7a13e894 | 3606 | break; |
f451eb13 | 3607 | |
7a13e894 RS |
3608 | /* Here's a possible interpretation of the whole |
3609 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3610 | FocusIn event, you have to get a FocusOut event before you | |
3611 | relinquish the focus. If you haven't received a FocusIn event, | |
3612 | then a mere LeaveNotify is enough to free you. */ | |
f451eb13 | 3613 | |
7a13e894 RS |
3614 | case EnterNotify: |
3615 | f = x_any_window_to_frame (event.xcrossing.window); | |
6d4238f3 | 3616 | |
7a13e894 | 3617 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3618 | { |
7a13e894 RS |
3619 | /* Avoid nasty pop/raise loops. */ |
3620 | if (f && (!(f->auto_raise) | |
3621 | || !(f->auto_lower) | |
3622 | || (event.xcrossing.time - enter_timestamp) > 500)) | |
3623 | { | |
3624 | x_new_focus_frame (f); | |
3625 | enter_timestamp = event.xcrossing.time; | |
3626 | } | |
dc6f92b8 | 3627 | } |
7a13e894 RS |
3628 | else if (f == x_focus_frame) |
3629 | x_new_focus_frame (0); | |
3630 | /* EnterNotify counts as mouse movement, | |
3631 | so update things that depend on mouse position. */ | |
3632 | if (f) | |
3633 | note_mouse_movement (f, &event.xmotion); | |
3afe33e7 | 3634 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3635 | goto OTHER; |
3afe33e7 | 3636 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3637 | break; |
dc6f92b8 | 3638 | |
7a13e894 RS |
3639 | case FocusIn: |
3640 | f = x_any_window_to_frame (event.xfocus.window); | |
3641 | if (event.xfocus.detail != NotifyPointer) | |
3642 | x_focus_event_frame = f; | |
3643 | if (f) | |
3644 | x_new_focus_frame (f); | |
3afe33e7 | 3645 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3646 | goto OTHER; |
3afe33e7 | 3647 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3648 | break; |
f451eb13 | 3649 | |
10c5e63d | 3650 | |
7a13e894 RS |
3651 | case LeaveNotify: |
3652 | f = x_top_window_to_frame (event.xcrossing.window); | |
3653 | if (f) | |
10c5e63d | 3654 | { |
7a13e894 RS |
3655 | if (f == dpyinfo->mouse_face_mouse_frame) |
3656 | /* If we move outside the frame, | |
3657 | then we're certainly no longer on any text in the frame. */ | |
3658 | clear_mouse_face (dpyinfo); | |
3659 | ||
3660 | if (event.xcrossing.focus) | |
3661 | { | |
3662 | if (! x_focus_event_frame) | |
3663 | x_new_focus_frame (0); | |
3664 | else | |
3665 | x_new_focus_frame (f); | |
3666 | } | |
10c5e63d | 3667 | else |
7a13e894 RS |
3668 | { |
3669 | if (f == x_focus_event_frame) | |
3670 | x_focus_event_frame = 0; | |
3671 | if (f == x_focus_frame) | |
3672 | x_new_focus_frame (0); | |
3673 | } | |
10c5e63d | 3674 | } |
3afe33e7 | 3675 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3676 | goto OTHER; |
3afe33e7 | 3677 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3678 | break; |
dc6f92b8 | 3679 | |
7a13e894 RS |
3680 | case FocusOut: |
3681 | f = x_any_window_to_frame (event.xfocus.window); | |
3682 | if (event.xfocus.detail != NotifyPointer | |
3683 | && f == x_focus_event_frame) | |
3684 | x_focus_event_frame = 0; | |
3685 | if (f && f == x_focus_frame) | |
3686 | x_new_focus_frame (0); | |
3afe33e7 | 3687 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3688 | goto OTHER; |
3afe33e7 | 3689 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3690 | break; |
dc6f92b8 | 3691 | |
7a13e894 | 3692 | case MotionNotify: |
dc6f92b8 | 3693 | { |
7a13e894 RS |
3694 | if (dpyinfo->grabbed && last_mouse_frame |
3695 | && FRAME_LIVE_P (last_mouse_frame)) | |
3696 | f = last_mouse_frame; | |
3697 | else | |
3698 | f = x_window_to_frame (event.xmotion.window); | |
3699 | if (f) | |
3700 | note_mouse_movement (f, &event.xmotion); | |
3701 | else | |
3702 | { | |
3703 | struct scroll_bar *bar | |
3704 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 | 3705 | |
7a13e894 RS |
3706 | if (bar) |
3707 | x_scroll_bar_note_movement (bar, &event); | |
b8009dd1 | 3708 | |
7a13e894 RS |
3709 | /* If we move outside the frame, |
3710 | then we're certainly no longer on any text in the frame. */ | |
3711 | clear_mouse_face (dpyinfo); | |
3712 | } | |
dc6f92b8 | 3713 | } |
0a178815 | 3714 | #if 0 /* This should be unnecessary, since the toolkit has no use |
7a13e894 RS |
3715 | for motion events that happen outside of the menu event loop, |
3716 | and it seems to cause the bug that mouse events stop coming | |
3717 | after a while. */ | |
3afe33e7 | 3718 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3719 | goto OTHER; |
3afe33e7 | 3720 | #endif /* USE_X_TOOLKIT */ |
0a178815 | 3721 | #endif |
7a13e894 | 3722 | break; |
dc6f92b8 | 3723 | |
7a13e894 RS |
3724 | case ConfigureNotify: |
3725 | f = x_any_window_to_frame (event.xconfigure.window); | |
3afe33e7 | 3726 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3727 | if (f |
3a35ab44 | 3728 | #if 0 |
7a13e894 | 3729 | && ! event.xconfigure.send_event |
3a35ab44 | 3730 | #endif |
7a13e894 | 3731 | && (event.xconfigure.window == XtWindow (f->display.x->widget))) |
af395ec1 RS |
3732 | { |
3733 | Window win, child; | |
3734 | int win_x, win_y; | |
3735 | ||
6cc35d86 JB |
3736 | /* Find the position of the outside upper-left corner of |
3737 | the window, in the root coordinate system. Don't | |
3738 | refer to the parent window here; we may be processing | |
3739 | this event after the window manager has changed our | |
3740 | parent, but before we have reached the ReparentNotify. */ | |
334208b7 | 3741 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
58769bee | 3742 | |
af395ec1 | 3743 | /* From-window, to-window. */ |
7a13e894 | 3744 | XtWindow (f->display.x->widget), |
334208b7 | 3745 | FRAME_X_DISPLAY_INFO (f)->root_window, |
af395ec1 RS |
3746 | |
3747 | /* From-position, to-position. */ | |
6cc35d86 JB |
3748 | -event.xconfigure.border_width, |
3749 | -event.xconfigure.border_width, | |
af395ec1 RS |
3750 | &win_x, &win_y, |
3751 | ||
3752 | /* Child of win. */ | |
3753 | &child); | |
3754 | event.xconfigure.x = win_x; | |
3755 | event.xconfigure.y = win_y; | |
7a13e894 RS |
3756 | |
3757 | f->display.x->pixel_width = event.xconfigure.width; | |
3758 | f->display.x->pixel_height = event.xconfigure.height; | |
3759 | f->display.x->left_pos = event.xconfigure.x; | |
3760 | f->display.x->top_pos = event.xconfigure.y; | |
3761 | ||
3762 | /* What we have now is the position of Emacs's own window. | |
3763 | Convert that to the position of the window manager window. */ | |
3764 | { | |
3765 | int x, y; | |
3766 | x_real_positions (f, &x, &y); | |
3767 | f->display.x->left_pos = x; | |
3768 | f->display.x->top_pos = y; | |
3769 | } | |
af395ec1 | 3770 | } |
7a13e894 RS |
3771 | goto OTHER; |
3772 | #else /* not USE_X_TOOLKIT */ | |
3773 | if (f) | |
3774 | { | |
3775 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3776 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3777 | ||
3778 | /* Even if the number of character rows and columns has | |
3779 | not changed, the font size may have changed, so we need | |
3780 | to check the pixel dimensions as well. */ | |
3781 | if (columns != f->width | |
3782 | || rows != f->height | |
3783 | || event.xconfigure.width != f->display.x->pixel_width | |
3784 | || event.xconfigure.height != f->display.x->pixel_height) | |
3785 | { | |
3786 | change_frame_size (f, rows, columns, 0, 1); | |
3787 | SET_FRAME_GARBAGED (f); | |
3788 | } | |
af395ec1 | 3789 | |
7a13e894 RS |
3790 | if (! event.xconfigure.send_event) |
3791 | { | |
3792 | Window win, child; | |
3793 | int win_x, win_y; | |
3794 | ||
3795 | /* Find the position of the outside upper-left corner of | |
3796 | the window, in the root coordinate system. Don't | |
3797 | refer to the parent window here; we may be processing | |
3798 | this event after the window manager has changed our | |
3799 | parent, but before we have reached the ReparentNotify. */ | |
3800 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
3801 | ||
3802 | /* From-window, to-window. */ | |
3803 | f->display.x->window_desc, | |
3804 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
3805 | ||
3806 | /* From-position, to-position. */ | |
3807 | -event.xconfigure.border_width, | |
3808 | -event.xconfigure.border_width, | |
3809 | &win_x, &win_y, | |
3810 | ||
3811 | /* Child of win. */ | |
3812 | &child); | |
3813 | event.xconfigure.x = win_x; | |
3814 | event.xconfigure.y = win_y; | |
3815 | } | |
3a35ab44 | 3816 | |
7a13e894 RS |
3817 | f->display.x->pixel_width = event.xconfigure.width; |
3818 | f->display.x->pixel_height = event.xconfigure.height; | |
3819 | f->display.x->left_pos = event.xconfigure.x; | |
3820 | f->display.x->top_pos = event.xconfigure.y; | |
3821 | ||
3822 | /* What we have now is the position of Emacs's own window. | |
3823 | Convert that to the position of the window manager window. */ | |
fd13dbb2 | 3824 | { |
7a13e894 RS |
3825 | int x, y; |
3826 | x_real_positions (f, &x, &y); | |
3827 | f->display.x->left_pos = x; | |
3828 | f->display.x->top_pos = y; | |
3829 | if (y != event.xconfigure.y) | |
3830 | { | |
3831 | /* Since the WM decorations come below top_pos now, | |
3832 | we must put them below top_pos in the future. */ | |
3833 | f->display.x->win_gravity = NorthWestGravity; | |
3834 | x_wm_set_size_hint (f, 0, 0); | |
3835 | } | |
fd13dbb2 | 3836 | } |
7a13e894 | 3837 | } |
3afe33e7 | 3838 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 | 3839 | break; |
dc6f92b8 | 3840 | |
7a13e894 RS |
3841 | case ButtonPress: |
3842 | case ButtonRelease: | |
3843 | { | |
3844 | /* If we decide we want to generate an event to be seen | |
3845 | by the rest of Emacs, we put it here. */ | |
3846 | struct input_event emacs_event; | |
3847 | emacs_event.kind = no_event; | |
dc6f92b8 | 3848 | |
7a13e894 | 3849 | bzero (&compose_status, sizeof (compose_status)); |
9b07615b | 3850 | |
7a13e894 RS |
3851 | f = x_window_to_frame (event.xbutton.window); |
3852 | if (f) | |
3853 | { | |
3854 | if (!x_focus_frame || (f == x_focus_frame)) | |
3855 | construct_mouse_click (&emacs_event, &event, f); | |
3856 | } | |
3857 | else | |
3858 | { | |
3859 | struct scroll_bar *bar | |
3860 | = x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 | 3861 | |
7a13e894 RS |
3862 | if (bar) |
3863 | x_scroll_bar_handle_click (bar, &event, &emacs_event); | |
3afe33e7 | 3864 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3865 | else |
3866 | { | |
3867 | /* Assume we have a menubar button press. A bad | |
3868 | assumption should behave benignly. */ | |
3869 | popup_get_selection (&event); | |
3870 | break; | |
3871 | } | |
3872 | #endif /* USE_X_TOOLKIT */ | |
3873 | } | |
3874 | ||
3875 | if (event.type == ButtonPress) | |
3876 | { | |
3877 | dpyinfo->grabbed |= (1 << event.xbutton.button); | |
3878 | last_mouse_frame = f; | |
3879 | } | |
3afe33e7 RS |
3880 | else |
3881 | { | |
7a13e894 | 3882 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); |
3afe33e7 | 3883 | } |
23faf38f | 3884 | |
7a13e894 RS |
3885 | if (numchars >= 1 && emacs_event.kind != no_event) |
3886 | { | |
3887 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3888 | bufp++; | |
3889 | count++; | |
3890 | numchars--; | |
3891 | } | |
3afe33e7 RS |
3892 | |
3893 | #ifdef USE_X_TOOLKIT | |
7a13e894 | 3894 | goto OTHER; |
3afe33e7 | 3895 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3896 | } |
3897 | break; | |
dc6f92b8 | 3898 | |
7a13e894 RS |
3899 | case CirculateNotify: |
3900 | break; | |
3901 | case CirculateRequest: | |
3902 | break; | |
dc6f92b8 | 3903 | |
7a13e894 RS |
3904 | case MappingNotify: |
3905 | /* Someone has changed the keyboard mapping - update the | |
3906 | local cache. */ | |
3907 | switch (event.xmapping.request) | |
3908 | { | |
3909 | case MappingModifier: | |
3910 | x_find_modifier_meanings (dpyinfo); | |
3911 | /* This is meant to fall through. */ | |
3912 | case MappingKeyboard: | |
3913 | XRefreshKeyboardMapping (&event.xmapping); | |
3914 | } | |
3afe33e7 | 3915 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3916 | goto OTHER; |
3afe33e7 | 3917 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3918 | break; |
dc6f92b8 | 3919 | |
7a13e894 | 3920 | default: |
3afe33e7 | 3921 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3922 | OTHER: |
3923 | BLOCK_INPUT; | |
3924 | XtDispatchEvent (&event); | |
3925 | UNBLOCK_INPUT; | |
3afe33e7 | 3926 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3927 | break; |
3928 | } | |
dc6f92b8 JB |
3929 | } |
3930 | } | |
3931 | ||
9a5196d0 RS |
3932 | /* On some systems, an X bug causes Emacs to get no more events |
3933 | when the window is destroyed. Detect that. (1994.) */ | |
58769bee | 3934 | if (! event_found) |
ef2a22d0 | 3935 | { |
ef2a22d0 RS |
3936 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. |
3937 | One XNOOP in 100 loops will make Emacs terminate. | |
3938 | B. Bretthauer, 1994 */ | |
3939 | x_noop_count++; | |
58769bee | 3940 | if (x_noop_count >= 100) |
ef2a22d0 RS |
3941 | { |
3942 | x_noop_count=0; | |
7a13e894 RS |
3943 | /* Use the first display in the list. Why not? */ |
3944 | XNoOp (x_display_list->display); | |
ef2a22d0 RS |
3945 | } |
3946 | } | |
502add23 | 3947 | |
0134a210 RS |
3948 | /* If the focus was just given to an autoraising frame, |
3949 | raise it now. */ | |
7a13e894 | 3950 | /* ??? This ought to be able to handle more than one such frame. */ |
0134a210 RS |
3951 | if (pending_autoraise_frame) |
3952 | { | |
3953 | x_raise_frame (pending_autoraise_frame); | |
3954 | pending_autoraise_frame = 0; | |
3955 | } | |
0134a210 | 3956 | |
dc6f92b8 JB |
3957 | UNBLOCK_INPUT; |
3958 | return count; | |
3959 | } | |
dc6f92b8 | 3960 | \f |
f451eb13 JB |
3961 | /* Drawing the cursor. */ |
3962 | ||
3963 | ||
dc6f92b8 JB |
3964 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3965 | ||
3966 | static void | |
f676886a JB |
3967 | x_draw_box (f) |
3968 | struct frame *f; | |
dc6f92b8 | 3969 | { |
2a6cf806 RS |
3970 | int left = CHAR_TO_PIXEL_COL (f, curs_x); |
3971 | int top = CHAR_TO_PIXEL_ROW (f, curs_y); | |
f676886a | 3972 | int width = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 3973 | int height = f->display.x->line_height; |
dc6f92b8 | 3974 | |
334208b7 | 3975 | XDrawRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 3976 | f->display.x->cursor_gc, |
dc6f92b8 | 3977 | left, top, width - 1, height - 1); |
dc6f92b8 JB |
3978 | } |
3979 | ||
f676886a | 3980 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3981 | and mark the cursor as not shown. |
3982 | This is used when the text where the cursor is | |
3983 | is about to be rewritten. */ | |
3984 | ||
3985 | static void | |
f676886a JB |
3986 | clear_cursor (f) |
3987 | struct frame *f; | |
dc6f92b8 JB |
3988 | { |
3989 | int mask; | |
3990 | ||
f451eb13 | 3991 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3992 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3993 | return; |
3994 | ||
f676886a | 3995 | x_display_cursor (f, 0); |
f676886a | 3996 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3997 | } |
3998 | ||
f676886a | 3999 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4000 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4001 | glyph drawn. */ | |
dc6f92b8 JB |
4002 | |
4003 | static void | |
f676886a JB |
4004 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4005 | struct frame *f; | |
dc6f92b8 | 4006 | int row, column; |
90e65f07 | 4007 | GLYPH glyph; |
dc6f92b8 JB |
4008 | int highlight; |
4009 | { | |
f676886a | 4010 | dumpglyphs (f, |
12ba150f JB |
4011 | CHAR_TO_PIXEL_COL (f, column), |
4012 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4013 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4014 | } |
4015 | ||
dc6f92b8 | 4016 | static void |
dbc4e1c1 | 4017 | x_display_bar_cursor (f, on) |
f676886a | 4018 | struct frame *f; |
dc6f92b8 JB |
4019 | int on; |
4020 | { | |
f676886a | 4021 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4022 | |
49d838ea JB |
4023 | /* This is pointless on invisible frames, and dangerous on garbaged |
4024 | frames; in the latter case, the frame may be in the midst of | |
4025 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4026 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
4027 | return; |
4028 | ||
4029 | if (! on && f->phys_cursor_x < 0) | |
4030 | return; | |
4031 | ||
f676886a | 4032 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 4033 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 4034 | if (f != updating_frame) |
1113d9db | 4035 | { |
f676886a JB |
4036 | curs_x = FRAME_CURSOR_X (f); |
4037 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
4038 | } |
4039 | ||
dbc4e1c1 JB |
4040 | /* If there is anything wrong with the current cursor state, remove it. */ |
4041 | if (f->phys_cursor_x >= 0 | |
4042 | && (!on | |
4043 | || f->phys_cursor_x != curs_x | |
4044 | || f->phys_cursor_y != curs_y | |
4045 | || f->display.x->current_cursor != bar_cursor)) | |
4046 | { | |
4047 | /* Erase the cursor by redrawing the character underneath it. */ | |
4048 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4049 | f->phys_cursor_glyph, | |
4050 | current_glyphs->highlight[f->phys_cursor_y]); | |
4051 | f->phys_cursor_x = -1; | |
4052 | } | |
4053 | ||
4054 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4055 | if (on | |
4056 | && (f->phys_cursor_x < 0 | |
4057 | || (f->display.x->current_cursor != bar_cursor))) | |
4058 | { | |
4059 | f->phys_cursor_glyph | |
4060 | = ((current_glyphs->enable[curs_y] | |
4061 | && curs_x < current_glyphs->used[curs_y]) | |
4062 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4063 | : SPACEGLYPH); | |
334208b7 | 4064 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
4065 | f->display.x->cursor_gc, |
4066 | CHAR_TO_PIXEL_COL (f, curs_x), | |
4067 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
a27f9f86 | 4068 | 1, f->display.x->line_height); |
dbc4e1c1 JB |
4069 | |
4070 | f->phys_cursor_x = curs_x; | |
4071 | f->phys_cursor_y = curs_y; | |
4072 | ||
4073 | f->display.x->current_cursor = bar_cursor; | |
4074 | } | |
4075 | ||
4076 | if (updating_frame != f) | |
334208b7 | 4077 | XFlush (FRAME_X_DISPLAY (f)); |
dbc4e1c1 JB |
4078 | } |
4079 | ||
4080 | ||
4081 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4082 | If ON is nonzero, where to put the cursor is specified | |
4083 | by F->cursor_x and F->cursor_y. */ | |
4084 | ||
4085 | static void | |
4086 | x_display_box_cursor (f, on) | |
4087 | struct frame *f; | |
4088 | int on; | |
4089 | { | |
4090 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4091 | ||
49d838ea JB |
4092 | /* This is pointless on invisible frames, and dangerous on garbaged |
4093 | frames; in the latter case, the frame may be in the midst of | |
4094 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4095 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
4096 | return; |
4097 | ||
4098 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4099 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4100 | return; |
4101 | ||
dbc4e1c1 JB |
4102 | /* If we're not updating, then we want to use the current frame's |
4103 | cursor position, not our local idea of where the cursor ought to be. */ | |
4104 | if (f != updating_frame) | |
4105 | { | |
4106 | curs_x = FRAME_CURSOR_X (f); | |
4107 | curs_y = FRAME_CURSOR_Y (f); | |
4108 | } | |
4109 | ||
dc6f92b8 JB |
4110 | /* If cursor is currently being shown and we don't want it to be |
4111 | or it is in the wrong place, | |
4112 | or we want a hollow box and it's not so, (pout!) | |
4113 | erase it. */ | |
f676886a | 4114 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4115 | && (!on |
f676886a JB |
4116 | || f->phys_cursor_x != curs_x |
4117 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 4118 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 4119 | && (f != x_highlight_frame)))) |
dc6f92b8 | 4120 | { |
79cf7456 RS |
4121 | int mouse_face_here = 0; |
4122 | ||
4123 | /* If the cursor is in the mouse face area, redisplay that when | |
4124 | we clear the cursor. */ | |
7a13e894 | 4125 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame |
79cf7456 | 4126 | && |
7a13e894 RS |
4127 | (f->phys_cursor_y > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
4128 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
4129 | && f->phys_cursor_x >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col)) | |
79cf7456 | 4130 | && |
7a13e894 RS |
4131 | (f->phys_cursor_y < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row |
4132 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
4133 | && f->phys_cursor_x < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col))) | |
79cf7456 RS |
4134 | mouse_face_here = 1; |
4135 | ||
0cdd0c9f RS |
4136 | /* If the font is not as tall as a whole line, |
4137 | we must explicitly clear the line's whole height. */ | |
4138 | if (FONT_HEIGHT (f->display.x->font) != f->display.x->line_height) | |
334208b7 | 4139 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
4140 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4141 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
4142 | FONT_WIDTH (f->display.x->font), | |
4143 | f->display.x->line_height, False); | |
dc6f92b8 | 4144 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4145 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4146 | f->phys_cursor_glyph, | |
79cf7456 RS |
4147 | (mouse_face_here |
4148 | ? 3 | |
4149 | : current_glyphs->highlight[f->phys_cursor_y])); | |
f676886a | 4150 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4151 | } |
4152 | ||
4153 | /* If we want to show a cursor, | |
4154 | or we want a box cursor and it's not so, | |
4155 | write it in the right place. */ | |
4156 | if (on | |
f676886a | 4157 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 4158 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 4159 | && f == x_highlight_frame))) |
dc6f92b8 | 4160 | { |
f676886a | 4161 | f->phys_cursor_glyph |
1113d9db JB |
4162 | = ((current_glyphs->enable[curs_y] |
4163 | && curs_x < current_glyphs->used[curs_y]) | |
4164 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 4165 | : SPACEGLYPH); |
f676886a | 4166 | if (f != x_highlight_frame) |
dc6f92b8 | 4167 | { |
f676886a | 4168 | x_draw_box (f); |
dbc4e1c1 | 4169 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4170 | } |
4171 | else | |
4172 | { | |
f676886a JB |
4173 | x_draw_single_glyph (f, curs_y, curs_x, |
4174 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 4175 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4176 | } |
4177 | ||
f676886a JB |
4178 | f->phys_cursor_x = curs_x; |
4179 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
4180 | } |
4181 | ||
f676886a | 4182 | if (updating_frame != f) |
334208b7 | 4183 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4184 | } |
4185 | ||
f676886a JB |
4186 | x_display_cursor (f, on) |
4187 | struct frame *f; | |
dc6f92b8 JB |
4188 | int on; |
4189 | { | |
f94397b5 KH |
4190 | BLOCK_INPUT; |
4191 | ||
dbc4e1c1 | 4192 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 4193 | x_display_box_cursor (f, on); |
dbc4e1c1 | 4194 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 4195 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
4196 | else |
4197 | /* Those are the only two we have implemented! */ | |
4198 | abort (); | |
f94397b5 KH |
4199 | |
4200 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4201 | } |
4202 | \f | |
4203 | /* Icons. */ | |
4204 | ||
f676886a | 4205 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4206 | when we get an expose event for it. */ |
4207 | ||
f676886a JB |
4208 | refreshicon (f) |
4209 | struct frame *f; | |
dc6f92b8 | 4210 | { |
dc6f92b8 | 4211 | /* Normally, the window manager handles this function. */ |
dc6f92b8 JB |
4212 | } |
4213 | ||
dbc4e1c1 | 4214 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4215 | |
4216 | int | |
990ba854 | 4217 | x_bitmap_icon (f, file) |
f676886a | 4218 | struct frame *f; |
990ba854 | 4219 | Lisp_Object file; |
dc6f92b8 | 4220 | { |
7f2ae036 | 4221 | int mask, bitmap_id; |
dc6f92b8 JB |
4222 | Window icon_window; |
4223 | ||
c118dd06 | 4224 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4225 | return 1; |
4226 | ||
990ba854 RS |
4227 | /* Free up our existing icon bitmap if any. */ |
4228 | if (f->display.x->icon_bitmap > 0) | |
4229 | x_destroy_bitmap (f, f->display.x->icon_bitmap); | |
4230 | f->display.x->icon_bitmap = 0; | |
4231 | ||
4232 | if (STRINGP (file)) | |
7f2ae036 RS |
4233 | bitmap_id = x_create_bitmap_from_file (f, file); |
4234 | else | |
4235 | { | |
990ba854 | 4236 | /* Create the GNU bitmap if necessary. */ |
334208b7 RS |
4237 | if (!FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id < 0) |
4238 | FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id | |
4239 | = x_create_bitmap_from_data (f, gnu_bits, | |
4240 | gnu_width, gnu_height); | |
990ba854 RS |
4241 | |
4242 | /* The first time we create the GNU bitmap, | |
4243 | this increments the refcount one extra time. | |
4244 | As a result, the GNU bitmap is never freed. | |
4245 | That way, we don't have to worry about allocating it again. */ | |
334208b7 | 4246 | x_reference_bitmap (f, FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id); |
990ba854 | 4247 | |
334208b7 | 4248 | bitmap_id = FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id; |
7f2ae036 RS |
4249 | } |
4250 | ||
4251 | x_wm_set_icon_pixmap (f, bitmap_id); | |
4252 | f->display.x->icon_bitmap = bitmap_id; | |
dc6f92b8 JB |
4253 | |
4254 | return 0; | |
4255 | } | |
4256 | ||
4257 | ||
f676886a | 4258 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
4259 | |
4260 | int | |
f676886a JB |
4261 | x_text_icon (f, icon_name) |
4262 | struct frame *f; | |
dc6f92b8 JB |
4263 | char *icon_name; |
4264 | { | |
c118dd06 | 4265 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4266 | return 1; |
4267 | ||
dc6f92b8 | 4268 | if (icon_name) |
f676886a | 4269 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 4270 | else |
f676886a JB |
4271 | if (! f->display.x->icon_label) |
4272 | f->display.x->icon_label = " *emacs* "; | |
58769bee | 4273 | |
dfeccd2d | 4274 | #if 0 |
334208b7 | 4275 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4276 | (char *) f->display.x->icon_label); |
dfeccd2d | 4277 | #endif |
58769bee | 4278 | |
990ba854 RS |
4279 | if (f->display.x->icon_bitmap > 0) |
4280 | x_destroy_bitmap (f, f->display.x->icon_bitmap); | |
7f2ae036 | 4281 | f->display.x->icon_bitmap = 0; |
b1c884c3 | 4282 | x_wm_set_icon_pixmap (f, 0); |
dc6f92b8 JB |
4283 | |
4284 | return 0; | |
4285 | } | |
4286 | \f | |
4746118a JB |
4287 | /* Handling X errors. */ |
4288 | ||
7a13e894 | 4289 | /* Handle the loss of connection to display DISPLAY. */ |
16bd92ea | 4290 | |
4746118a | 4291 | static SIGTYPE |
7a13e894 RS |
4292 | x_connection_closed (display, error_message) |
4293 | Display *display; | |
4294 | char *error_message; | |
4746118a | 4295 | { |
7a13e894 RS |
4296 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
4297 | Lisp_Object frame, tail; | |
4298 | ||
4746118a JB |
4299 | if (_Xdebug) |
4300 | abort (); | |
12ba150f | 4301 | |
7a13e894 RS |
4302 | /* First delete frames whose minibuffers are on frames |
4303 | that are on the dead display. */ | |
4304 | FOR_EACH_FRAME (tail, frame) | |
4305 | { | |
4306 | Lisp_Object minibuf_frame; | |
4307 | minibuf_frame | |
4308 | = WINDOW_FRAME (XWINDOW (FRAME_MINIBUF_WINDOW (XFRAME (frame)))); | |
4309 | if (! EQ (frame, minibuf_frame) | |
4310 | && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
4311 | Fdelete_frame (frame, Qt); | |
4312 | } | |
4313 | ||
4314 | /* Now delete all remaining frames on the dead display. | |
4315 | We are now sure none of these is used as the minibuffer | |
4316 | for another frame that we need to delete. */ | |
4317 | FOR_EACH_FRAME (tail, frame) | |
4318 | if (FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
4319 | Fdelete_frame (frame, Qt); | |
4320 | ||
4321 | x_delete_display (dpyinfo); | |
4322 | ||
4323 | if (x_display_list == 0) | |
4324 | { | |
4325 | fprintf (stderr, "%s", error_message); | |
4326 | shut_down_emacs (0, 0, Qnil); | |
4327 | exit (70); | |
4328 | } | |
12ba150f | 4329 | |
7a13e894 RS |
4330 | /* Ordinary stack unwind doesn't deal with these. */ |
4331 | #ifdef SIGIO | |
4332 | sigunblock (sigmask (SIGIO)); | |
4333 | #endif | |
4334 | sigunblock (sigmask (SIGALRM)); | |
4335 | TOTALLY_UNBLOCK_INPUT; | |
4336 | ||
4337 | error ("%s", error_message); | |
4746118a JB |
4338 | } |
4339 | ||
7a13e894 RS |
4340 | /* This is the usual handler for X protocol errors. |
4341 | It kills all frames on the display that we got the error for. | |
4342 | If that was the only one, it prints an error message and kills Emacs. */ | |
4343 | ||
c118dd06 JB |
4344 | static int |
4345 | x_error_quitter (display, error) | |
4346 | Display *display; | |
4347 | XErrorEvent *error; | |
4348 | { | |
7a13e894 | 4349 | char buf[256], buf1[356]; |
dc6f92b8 | 4350 | |
58769bee | 4351 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 4352 | original error handler. */ |
dc6f92b8 | 4353 | |
c118dd06 | 4354 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
7a13e894 | 4355 | sprintf (buf1, "X protocol error: %s on protocol request %d", |
c118dd06 | 4356 | buf, error->request_code); |
7a13e894 | 4357 | x_connection_closed (display, buf1); |
dc6f92b8 JB |
4358 | } |
4359 | ||
7a13e894 RS |
4360 | /* This is the handler for X IO errors, always. |
4361 | It kills all frames on the display that we lost touch with. | |
4362 | If that was the only one, it prints an error message and kills Emacs. */ | |
4363 | ||
8922af5f JB |
4364 | static int |
4365 | x_io_error_quitter (display) | |
4366 | Display *display; | |
4367 | { | |
7a13e894 | 4368 | char buf[256]; |
8922af5f | 4369 | |
7a13e894 RS |
4370 | sprintf (buf, "Connection lost to X server `%s'", DisplayString (display)); |
4371 | x_connection_closed (display, buf); | |
8922af5f | 4372 | } |
7a13e894 | 4373 | \f |
c118dd06 | 4374 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4375 | static char *x_caught_error_message; |
4376 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4377 | |
4378 | /* An X error handler which stores the error message in | |
4379 | x_caught_error_message. This is what's installed when | |
4380 | x_catch_errors is in effect. */ | |
7a13e894 | 4381 | |
c118dd06 JB |
4382 | static int |
4383 | x_error_catcher (display, error) | |
4384 | Display *display; | |
4385 | XErrorEvent *error; | |
4386 | { | |
4387 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4388 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4389 | } |
4390 | ||
4391 | ||
7a13e894 RS |
4392 | /* Begin trapping X errors for display DPY. Actually we trap X errors |
4393 | for all displays, but DPY should be the display you are actually | |
4394 | operating on. | |
dc6f92b8 | 4395 | |
c118dd06 JB |
4396 | After calling this function, X protocol errors no longer cause |
4397 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4398 | |
c118dd06 JB |
4399 | Calling x_check_errors signals an Emacs error if an X error has |
4400 | occurred since the last call to x_catch_errors or x_check_errors. | |
4401 | ||
4402 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4403 | ||
bc20ebbf | 4404 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4405 | |
4406 | void | |
7a13e894 RS |
4407 | x_catch_errors (dpy) |
4408 | Display *dpy; | |
dc6f92b8 | 4409 | { |
c118dd06 | 4410 | /* Make sure any errors from previous requests have been dealt with. */ |
7a13e894 | 4411 | XSync (dpy, False); |
dc6f92b8 | 4412 | |
c118dd06 | 4413 | /* Set up the error buffer. */ |
60f9aad3 | 4414 | x_caught_error_message |
cef13e55 RS |
4415 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4416 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4417 | |
c118dd06 | 4418 | /* Install our little error handler. */ |
334208b7 | 4419 | XSetErrorHandler (x_error_catcher); |
c118dd06 | 4420 | } |
16bd92ea | 4421 | |
c118dd06 JB |
4422 | /* If any X protocol errors have arrived since the last call to |
4423 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4424 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4425 | |
c118dd06 | 4426 | void |
7a13e894 RS |
4427 | x_check_errors (dpy, format) |
4428 | Display *dpy; | |
c118dd06 JB |
4429 | char *format; |
4430 | { | |
4431 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4432 | XSync (dpy, False); |
16bd92ea | 4433 | |
cef13e55 | 4434 | if (x_caught_error_message[0]) |
c118dd06 | 4435 | { |
cef13e55 | 4436 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4437 | |
cef13e55 | 4438 | sprintf (buf, format, x_caught_error_message); |
7a13e894 | 4439 | x_uncatch_errors (dpy); |
c118dd06 JB |
4440 | error (buf); |
4441 | } | |
4442 | } | |
4443 | ||
b849c413 RS |
4444 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4445 | ||
4446 | int | |
7a13e894 RS |
4447 | x_had_errors_p (dpy) |
4448 | Display *dpy; | |
b849c413 RS |
4449 | { |
4450 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4451 | XSync (dpy, False); |
b849c413 RS |
4452 | |
4453 | return x_caught_error_message[0] != 0; | |
4454 | } | |
4455 | ||
812361a1 RS |
4456 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4457 | ||
c118dd06 | 4458 | void |
7a13e894 RS |
4459 | x_uncatch_errors (dpy) |
4460 | Display *dpy; | |
c118dd06 | 4461 | { |
9ac0d9e0 | 4462 | xfree (x_caught_error_message); |
cef13e55 | 4463 | x_caught_error_message = 0; |
334208b7 | 4464 | XSetErrorHandler (x_error_quitter); |
dc6f92b8 JB |
4465 | } |
4466 | ||
dc6f92b8 JB |
4467 | #if 0 |
4468 | static unsigned int x_wire_count; | |
4469 | x_trace_wire () | |
4470 | { | |
4471 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4472 | } | |
c118dd06 | 4473 | #endif /* ! 0 */ |
dc6f92b8 JB |
4474 | |
4475 | \f | |
f451eb13 JB |
4476 | /* Changing the font of the frame. */ |
4477 | ||
76bcdf39 RS |
4478 | /* Give frame F the font named FONTNAME as its default font, and |
4479 | return the full name of that font. FONTNAME may be a wildcard | |
4480 | pattern; in that case, we choose some font that fits the pattern. | |
4481 | The return value shows which font we chose. */ | |
4482 | ||
b5cf7a0e | 4483 | Lisp_Object |
f676886a JB |
4484 | x_new_font (f, fontname) |
4485 | struct frame *f; | |
dc6f92b8 JB |
4486 | register char *fontname; |
4487 | { | |
dc6f92b8 JB |
4488 | int already_loaded; |
4489 | int n_matching_fonts; | |
4490 | XFontStruct *font_info; | |
4491 | char **font_names; | |
4492 | ||
4493 | /* Get a list of all the fonts that match this name. Once we | |
4494 | have a list of matching fonts, we compare them against the fonts | |
4495 | we already have by comparing font ids. */ | |
334208b7 | 4496 | font_names = (char **) XListFonts (FRAME_X_DISPLAY (f), fontname, |
2224a5fc | 4497 | 1024, &n_matching_fonts); |
0c94f6ee JB |
4498 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4499 | find any matches; font_names == 0 is the only clue. */ | |
4500 | if (! font_names) | |
4501 | n_matching_fonts = 0; | |
4502 | ||
5835f860 RS |
4503 | /* Don't just give up if n_matching_fonts is 0. |
4504 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4505 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 4506 | |
90e65f07 | 4507 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
4508 | already_loaded = -1; |
4509 | if (n_matching_fonts != 0) | |
4510 | { | |
4511 | int i, j; | |
dc6f92b8 | 4512 | |
7a13e894 | 4513 | for (i = 0; i < FRAME_X_DISPLAY_INFO (f)->n_fonts; i++) |
5835f860 | 4514 | for (j = 0; j < n_matching_fonts; j++) |
7a13e894 RS |
4515 | if (!strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].name, font_names[j]) |
4516 | || !strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name, font_names[j])) | |
5835f860 RS |
4517 | { |
4518 | already_loaded = i; | |
7a13e894 | 4519 | fontname = FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name; |
5835f860 RS |
4520 | goto found_font; |
4521 | } | |
4522 | } | |
dc6f92b8 | 4523 | found_font: |
58769bee | 4524 | |
dc6f92b8 | 4525 | /* If we have, just return it from the table. */ |
2224a5fc | 4526 | if (already_loaded >= 0) |
7a13e894 | 4527 | f->display.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[already_loaded].font; |
dc6f92b8 JB |
4528 | /* Otherwise, load the font and add it to the table. */ |
4529 | else | |
4530 | { | |
9696f58b | 4531 | int i; |
76bcdf39 | 4532 | char *full_name; |
dc6f92b8 | 4533 | XFontStruct *font; |
7a13e894 | 4534 | int n_fonts; |
dc6f92b8 | 4535 | |
9696f58b | 4536 | /* Try to find a character-cell font in the list. */ |
58769bee | 4537 | #if 0 |
f126bd67 | 4538 | /* A laudable goal, but this isn't how to do it. */ |
9696f58b JB |
4539 | for (i = 0; i < n_matching_fonts; i++) |
4540 | if (! font_info[i].per_char) | |
4541 | break; | |
f126bd67 JB |
4542 | #else |
4543 | i = 0; | |
4544 | #endif | |
9696f58b | 4545 | |
5835f860 RS |
4546 | /* See comment above. */ |
4547 | if (n_matching_fonts != 0) | |
9696f58b JB |
4548 | fontname = font_names[i]; |
4549 | ||
334208b7 | 4550 | font = (XFontStruct *) XLoadQueryFont (FRAME_X_DISPLAY (f), fontname); |
dc6f92b8 | 4551 | if (! font) |
5835f860 | 4552 | { |
2224a5fc | 4553 | /* Free the information from XListFonts. */ |
5835f860 | 4554 | if (n_matching_fonts) |
2224a5fc | 4555 | XFreeFontNames (font_names); |
5835f860 RS |
4556 | return Qnil; |
4557 | } | |
dc6f92b8 JB |
4558 | |
4559 | /* Do we need to create the table? */ | |
7a13e894 | 4560 | if (FRAME_X_DISPLAY_INFO (f)->font_table_size == 0) |
dc6f92b8 | 4561 | { |
7a13e894 RS |
4562 | FRAME_X_DISPLAY_INFO (f)->font_table_size = 16; |
4563 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4564 | = (struct font_info *) xmalloc (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4565 | * sizeof (struct font_info)); | |
dc6f92b8 JB |
4566 | } |
4567 | /* Do we need to grow the table? */ | |
7a13e894 RS |
4568 | else if (FRAME_X_DISPLAY_INFO (f)->n_fonts |
4569 | >= FRAME_X_DISPLAY_INFO (f)->font_table_size) | |
dc6f92b8 | 4570 | { |
7a13e894 RS |
4571 | FRAME_X_DISPLAY_INFO (f)->font_table_size *= 2; |
4572 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4573 | = (struct font_info *) xrealloc (FRAME_X_DISPLAY_INFO (f)->font_table, | |
4574 | (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4575 | * sizeof (struct font_info))); | |
dc6f92b8 JB |
4576 | } |
4577 | ||
76bcdf39 RS |
4578 | /* Try to get the full name of FONT. Put it in full_name. */ |
4579 | full_name = 0; | |
4580 | for (i = 0; i < font->n_properties; i++) | |
4581 | { | |
4582 | char *atom | |
334208b7 | 4583 | = XGetAtomName (FRAME_X_DISPLAY (f), font->properties[i].name); |
76bcdf39 | 4584 | if (!strcmp (atom, "FONT")) |
7965883b | 4585 | { |
334208b7 | 4586 | char *name = XGetAtomName (FRAME_X_DISPLAY (f), |
7965883b RS |
4587 | (Atom) (font->properties[i].card32)); |
4588 | char *p = name; | |
4589 | int dashes = 0; | |
4590 | ||
4591 | /* Count the number of dashes in the "full name". | |
4592 | If it is too few, this isn't really the font's full name, | |
4593 | so don't use it. | |
4594 | In X11R4, the fonts did not come with their canonical names | |
4595 | stored in them. */ | |
4596 | while (*p) | |
4597 | { | |
4598 | if (*p == '-') | |
4599 | dashes++; | |
4600 | p++; | |
4601 | } | |
4602 | ||
4603 | if (dashes >= 13) | |
4604 | full_name = name; | |
8ed24d5a RS |
4605 | |
4606 | break; | |
7965883b RS |
4607 | } |
4608 | ||
76bcdf39 RS |
4609 | XFree (atom); |
4610 | } | |
4611 | ||
7a13e894 RS |
4612 | n_fonts = FRAME_X_DISPLAY_INFO (f)->n_fonts; |
4613 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); | |
4614 | bcopy (fontname, FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name, strlen (fontname) + 1); | |
76bcdf39 | 4615 | if (full_name != 0) |
7a13e894 | 4616 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = full_name; |
76bcdf39 | 4617 | else |
7a13e894 RS |
4618 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name; |
4619 | f->display.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].font = font; | |
4620 | FRAME_X_DISPLAY_INFO (f)->n_fonts++; | |
76bcdf39 | 4621 | |
d53067dc RS |
4622 | if (full_name) |
4623 | fontname = full_name; | |
dc6f92b8 | 4624 | } |
2224a5fc | 4625 | |
b2cad826 KH |
4626 | /* Compute the scroll bar width in character columns. */ |
4627 | if (f->scroll_bar_pixel_width > 0) | |
4628 | { | |
4629 | int wid = FONT_WIDTH (f->display.x->font); | |
4630 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; | |
4631 | } | |
4632 | else | |
4633 | f->scroll_bar_cols = 2; | |
4634 | ||
f676886a | 4635 | /* Now make the frame display the given font. */ |
c118dd06 | 4636 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4637 | { |
334208b7 | 4638 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->normal_gc, |
f676886a | 4639 | f->display.x->font->fid); |
334208b7 | 4640 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->reverse_gc, |
f676886a | 4641 | f->display.x->font->fid); |
334208b7 | 4642 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->cursor_gc, |
f676886a JB |
4643 | f->display.x->font->fid); |
4644 | ||
a27f9f86 | 4645 | frame_update_line_height (f); |
0134a210 | 4646 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 4647 | } |
a27f9f86 RS |
4648 | else |
4649 | /* If we are setting a new frame's font for the first time, | |
4650 | there are no faces yet, so this font's height is the line height. */ | |
0cdd0c9f | 4651 | f->display.x->line_height = FONT_HEIGHT (f->display.x->font); |
dc6f92b8 | 4652 | |
b5cf7a0e | 4653 | { |
abdda982 | 4654 | Lisp_Object lispy_name; |
b5cf7a0e | 4655 | |
abdda982 | 4656 | lispy_name = build_string (fontname); |
b5cf7a0e | 4657 | |
2224a5fc | 4658 | /* Free the information from XListFonts. The data |
b5cf7a0e | 4659 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 4660 | XFreeFontNames (font_names); |
b5cf7a0e JB |
4661 | |
4662 | return lispy_name; | |
4663 | } | |
dc6f92b8 | 4664 | } |
dc6f92b8 | 4665 | \f |
43bca5d5 | 4666 | x_calc_absolute_position (f) |
f676886a | 4667 | struct frame *f; |
dc6f92b8 | 4668 | { |
6dba1858 RS |
4669 | Window win, child; |
4670 | int win_x = 0, win_y = 0; | |
43bca5d5 | 4671 | int flags = f->display.x->size_hint_flags; |
6dba1858 RS |
4672 | |
4673 | /* Find the position of the outside upper-left corner of | |
4674 | the inner window, with respect to the outer window. */ | |
334208b7 | 4675 | if (f->display.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
6dba1858 RS |
4676 | { |
4677 | BLOCK_INPUT; | |
334208b7 | 4678 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
58769bee | 4679 | |
6dba1858 RS |
4680 | /* From-window, to-window. */ |
4681 | f->display.x->window_desc, | |
4682 | f->display.x->parent_desc, | |
4683 | ||
4684 | /* From-position, to-position. */ | |
4685 | 0, 0, &win_x, &win_y, | |
4686 | ||
4687 | /* Child of win. */ | |
4688 | &child); | |
4689 | UNBLOCK_INPUT; | |
4690 | } | |
4691 | ||
4692 | /* Treat negative positions as relative to the leftmost bottommost | |
4693 | position that fits on the screen. */ | |
20f55f9a | 4694 | if (flags & XNegative) |
334208b7 | 4695 | f->display.x->left_pos = (FRAME_X_DISPLAY_INFO (f)->width |
69388238 | 4696 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
4697 | - PIXEL_WIDTH (f) |
4698 | + f->display.x->left_pos); | |
dc6f92b8 | 4699 | |
20f55f9a | 4700 | if (flags & YNegative) |
334208b7 | 4701 | f->display.x->top_pos = (FRAME_X_DISPLAY_INFO (f)->height |
69388238 | 4702 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
4703 | - PIXEL_HEIGHT (f) |
4704 | + f->display.x->top_pos); | |
3a35ab44 RS |
4705 | /* The left_pos and top_pos |
4706 | are now relative to the top and left screen edges, | |
4707 | so the flags should correspond. */ | |
4708 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
dc6f92b8 JB |
4709 | } |
4710 | ||
3a35ab44 RS |
4711 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
4712 | to really change the position, and 0 when calling from | |
4713 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
4714 | position values). */ | |
4715 | ||
dc05a16b | 4716 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 4717 | struct frame *f; |
dc6f92b8 | 4718 | register int xoff, yoff; |
dc05a16b | 4719 | int change_gravity; |
dc6f92b8 | 4720 | { |
3a35ab44 RS |
4721 | if (change_gravity) |
4722 | { | |
4723 | f->display.x->top_pos = yoff; | |
4724 | f->display.x->left_pos = xoff; | |
4725 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
4726 | if (xoff < 0) | |
4727 | f->display.x->size_hint_flags |= XNegative; | |
4728 | if (yoff < 0) | |
4729 | f->display.x->size_hint_flags |= YNegative; | |
4730 | f->display.x->win_gravity = NorthWestGravity; | |
4731 | } | |
43bca5d5 | 4732 | x_calc_absolute_position (f); |
dc6f92b8 JB |
4733 | |
4734 | BLOCK_INPUT; | |
3a35ab44 RS |
4735 | x_wm_set_size_hint (f, 0, 0); |
4736 | ||
3afe33e7 | 4737 | #ifdef USE_X_TOOLKIT |
334208b7 | 4738 | XMoveWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget), |
3afe33e7 RS |
4739 | f->display.x->left_pos, f->display.x->top_pos); |
4740 | #else /* not USE_X_TOOLKIT */ | |
334208b7 | 4741 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4742 | f->display.x->left_pos, f->display.x->top_pos); |
3afe33e7 | 4743 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
4744 | UNBLOCK_INPUT; |
4745 | } | |
4746 | ||
bc20ebbf FP |
4747 | /* Call this to change the size of frame F's x-window. |
4748 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
4749 | for this size change and subsequent size changes. | |
4750 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 4751 | |
bc20ebbf | 4752 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 4753 | struct frame *f; |
bc20ebbf | 4754 | int change_gravity; |
b1c884c3 | 4755 | int cols, rows; |
dc6f92b8 JB |
4756 | { |
4757 | int pixelwidth, pixelheight; | |
4758 | int mask; | |
dc6f92b8 | 4759 | |
80fd1fe2 FP |
4760 | #ifdef USE_X_TOOLKIT |
4761 | BLOCK_INPUT; | |
3a20653d RS |
4762 | { |
4763 | /* The x and y position of the widget is clobbered by the | |
4764 | call to XtSetValues within EmacsFrameSetCharSize. | |
4765 | This is a real kludge, but I don't understand Xt so I can't | |
4766 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
4767 | int xpos = f->display.x->widget->core.x; | |
4768 | int ypos = f->display.x->widget->core.y; | |
4769 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
4770 | f->display.x->widget->core.x = xpos; | |
4771 | f->display.x->widget->core.y = ypos; | |
4772 | } | |
80fd1fe2 FP |
4773 | UNBLOCK_INPUT; |
4774 | ||
4775 | #else /* not USE_X_TOOLKIT */ | |
4776 | ||
dc6f92b8 JB |
4777 | BLOCK_INPUT; |
4778 | ||
b1c884c3 | 4779 | check_frame_size (f, &rows, &cols); |
6dba1858 | 4780 | f->display.x->vertical_scroll_bar_extra |
b2cad826 KH |
4781 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
4782 | ? 0 | |
4783 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
480407eb | 4784 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
b2cad826 | 4785 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->display.x->font))); |
f451eb13 JB |
4786 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
4787 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 | 4788 | |
af31d76f RS |
4789 | f->display.x->win_gravity = NorthWestGravity; |
4790 | x_wm_set_size_hint (f, 0, 0); | |
6ccf47d1 | 4791 | |
334208b7 RS |
4792 | XSync (FRAME_X_DISPLAY (f), False); |
4793 | XResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
4794 | pixelwidth, pixelheight); | |
b1c884c3 JB |
4795 | |
4796 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4797 | but the window manager will get around to dealing with the size | |
4798 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4799 | ConfigureNotify event gets here. |
4800 | ||
4801 | We could just not bother storing any of this information here, | |
4802 | and let the ConfigureNotify event set everything up, but that | |
4803 | might be kind of confusing to the lisp code, since size changes | |
4804 | wouldn't be reported in the frame parameters until some random | |
4805 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4806 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4807 | PIXEL_WIDTH (f) = pixelwidth; |
4808 | PIXEL_HEIGHT (f) = pixelheight; | |
4809 | ||
4d73d038 RS |
4810 | /* If cursor was outside the new size, mark it as off. */ |
4811 | if (f->phys_cursor_y >= rows | |
4812 | || f->phys_cursor_x >= cols) | |
4813 | { | |
4814 | f->phys_cursor_x = -1; | |
4815 | f->phys_cursor_y = -1; | |
4816 | } | |
4817 | ||
dbc4e1c1 JB |
4818 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4819 | receive in the ConfigureNotify event; if we get what we asked | |
4820 | for, then the event won't cause the screen to become garbaged, so | |
4821 | we have to make sure to do it here. */ | |
4822 | SET_FRAME_GARBAGED (f); | |
4823 | ||
334208b7 | 4824 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 4825 | UNBLOCK_INPUT; |
80fd1fe2 | 4826 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 4827 | } |
dc6f92b8 | 4828 | \f |
f451eb13 | 4829 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4830 | |
9b378208 | 4831 | void |
f676886a JB |
4832 | x_set_mouse_position (f, x, y) |
4833 | struct frame *f; | |
dc6f92b8 JB |
4834 | int x, y; |
4835 | { | |
4836 | int pix_x, pix_y; | |
4837 | ||
12ba150f | 4838 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
a27f9f86 | 4839 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->display.x->line_height / 2; |
f451eb13 JB |
4840 | |
4841 | if (pix_x < 0) pix_x = 0; | |
4842 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4843 | ||
4844 | if (pix_y < 0) pix_y = 0; | |
4845 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4846 | |
4847 | BLOCK_INPUT; | |
dc6f92b8 | 4848 | |
334208b7 RS |
4849 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
4850 | 0, 0, 0, 0, pix_x, pix_y); | |
dc6f92b8 JB |
4851 | UNBLOCK_INPUT; |
4852 | } | |
4853 | ||
9b378208 RS |
4854 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
4855 | ||
4856 | void | |
4857 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
4858 | struct frame *f; | |
4859 | int pix_x, pix_y; | |
4860 | { | |
4861 | BLOCK_INPUT; | |
4862 | ||
334208b7 RS |
4863 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
4864 | 0, 0, 0, 0, pix_x, pix_y); | |
9b378208 RS |
4865 | UNBLOCK_INPUT; |
4866 | } | |
4867 | ||
f676886a JB |
4868 | x_focus_on_frame (f) |
4869 | struct frame *f; | |
dc6f92b8 | 4870 | { |
1fb20991 | 4871 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 4872 | x_raise_frame (f); |
1fb20991 | 4873 | #endif |
6d4238f3 JB |
4874 | #if 0 |
4875 | /* I don't think that the ICCCM allows programs to do things like this | |
4876 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4877 | doing with this code, do it to x_unfocus_frame too. */ |
334208b7 | 4878 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dc6f92b8 | 4879 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4880 | #endif /* ! 0 */ |
dc6f92b8 JB |
4881 | } |
4882 | ||
f676886a JB |
4883 | x_unfocus_frame (f) |
4884 | struct frame *f; | |
dc6f92b8 | 4885 | { |
6d4238f3 | 4886 | #if 0 |
f676886a JB |
4887 | /* Look at the remarks in x_focus_on_frame. */ |
4888 | if (x_focus_frame == f) | |
334208b7 | 4889 | XSetInputFocus (FRAME_X_DISPLAY (f), PointerRoot, |
dc6f92b8 | 4890 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4891 | #endif /* ! 0 */ |
dc6f92b8 JB |
4892 | } |
4893 | ||
f676886a | 4894 | /* Raise frame F. */ |
dc6f92b8 | 4895 | |
f676886a JB |
4896 | x_raise_frame (f) |
4897 | struct frame *f; | |
dc6f92b8 | 4898 | { |
3a88c238 | 4899 | if (f->async_visible) |
dc6f92b8 JB |
4900 | { |
4901 | BLOCK_INPUT; | |
3afe33e7 | 4902 | #ifdef USE_X_TOOLKIT |
334208b7 | 4903 | XRaiseWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget)); |
3afe33e7 | 4904 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 4905 | XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 4906 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 4907 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4908 | UNBLOCK_INPUT; |
4909 | } | |
4910 | } | |
4911 | ||
f676886a | 4912 | /* Lower frame F. */ |
dc6f92b8 | 4913 | |
f676886a JB |
4914 | x_lower_frame (f) |
4915 | struct frame *f; | |
dc6f92b8 | 4916 | { |
3a88c238 | 4917 | if (f->async_visible) |
dc6f92b8 JB |
4918 | { |
4919 | BLOCK_INPUT; | |
3afe33e7 | 4920 | #ifdef USE_X_TOOLKIT |
334208b7 | 4921 | XLowerWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget)); |
3afe33e7 | 4922 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 4923 | XLowerWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 4924 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 4925 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4926 | UNBLOCK_INPUT; |
4927 | } | |
4928 | } | |
4929 | ||
dbc4e1c1 JB |
4930 | static void |
4931 | XTframe_raise_lower (f, raise) | |
4932 | FRAME_PTR f; | |
4933 | int raise; | |
4934 | { | |
4935 | if (raise) | |
4936 | x_raise_frame (f); | |
4937 | else | |
4938 | x_lower_frame (f); | |
4939 | } | |
4940 | ||
fd13dbb2 RS |
4941 | /* Change from withdrawn state to mapped state, |
4942 | or deiconify. */ | |
dc6f92b8 | 4943 | |
f676886a JB |
4944 | x_make_frame_visible (f) |
4945 | struct frame *f; | |
dc6f92b8 JB |
4946 | { |
4947 | int mask; | |
990ba854 | 4948 | Lisp_Object type; |
dc6f92b8 | 4949 | |
dc6f92b8 | 4950 | BLOCK_INPUT; |
dc6f92b8 | 4951 | |
990ba854 RS |
4952 | type = x_icon_type (f); |
4953 | if (!NILP (type)) | |
4954 | x_bitmap_icon (f, type); | |
bdcd49ba | 4955 | |
f676886a | 4956 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 | 4957 | { |
af31d76f | 4958 | #ifndef USE_X_TOOLKIT |
fd13dbb2 RS |
4959 | if (! FRAME_ICONIFIED_P (f)) |
4960 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
af31d76f | 4961 | #endif |
dc05a16b | 4962 | |
90e65f07 | 4963 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 4964 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 4965 | #ifdef USE_X_TOOLKIT |
d7a38a2e RS |
4966 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
4967 | XtMapWidget (f->display.x->widget); | |
3afe33e7 | 4968 | #else /* not USE_X_TOOLKIT */ |
7f9c7f94 | 4969 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 4970 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
4971 | #if 0 /* This seems to bring back scroll bars in the wrong places |
4972 | if the window configuration has changed. They seem | |
4973 | to come back ok without this. */ | |
ab648270 | 4974 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 4975 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 4976 | #endif |
90e65f07 | 4977 | } |
dc6f92b8 | 4978 | |
334208b7 | 4979 | XFlush (FRAME_X_DISPLAY (f)); |
90e65f07 | 4980 | |
0dacf791 RS |
4981 | /* Synchronize to ensure Emacs knows the frame is visible |
4982 | before we do anything else. We do this loop with input not blocked | |
4983 | so that incoming events are handled. */ | |
4984 | { | |
4985 | Lisp_Object frame; | |
c0a04927 RS |
4986 | int count = input_signal_count; |
4987 | ||
4988 | /* This must come after we set COUNT. */ | |
4989 | UNBLOCK_INPUT; | |
4990 | ||
e0c1aef2 | 4991 | XSETFRAME (frame, f); |
c0a04927 RS |
4992 | |
4993 | while (1) | |
2a6cf806 | 4994 | { |
334208b7 | 4995 | x_sync (f); |
c0a04927 RS |
4996 | /* Once we have handled input events, |
4997 | we should have received the MapNotify if one is coming. | |
4998 | So if we have not got it yet, stop looping. | |
4999 | Some window managers make their own decisions | |
5000 | about visibility. */ | |
5001 | if (input_signal_count != count) | |
5002 | break; | |
c12a7cbd | 5003 | /* Machines that do polling rather than SIGIO have been observed |
23cf7c60 KH |
5004 | to go into a busy-wait here. So we'll fake an alarm signal |
5005 | to let the handler know that there's something to be read. | |
5006 | We used to raise a real alarm, but it seems that the handler | |
5007 | isn't always enabled here. This is probably a bug. */ | |
8b2f8d4e | 5008 | if (input_polling_used ()) |
3b2fa4e6 RS |
5009 | { |
5010 | /* It could be confusing if a real alarm arrives while processing | |
5011 | the fake one. Turn it off and let the handler reset it. */ | |
5012 | alarm (0); | |
5013 | input_poll_signal (); | |
5014 | } | |
c0a04927 RS |
5015 | /* Once we have handled input events, |
5016 | we should have received the MapNotify if one is coming. | |
5017 | So if we have not got it yet, stop looping. | |
5018 | Some window managers make their own decisions | |
5019 | about visibility. */ | |
5020 | if (input_signal_count != count) | |
5021 | break; | |
2a6cf806 | 5022 | } |
0dacf791 RS |
5023 | FRAME_SAMPLE_VISIBILITY (f); |
5024 | } | |
dc6f92b8 JB |
5025 | } |
5026 | ||
5027 | /* Change from mapped state to withdrawn state. */ | |
5028 | ||
f676886a JB |
5029 | x_make_frame_invisible (f) |
5030 | struct frame *f; | |
dc6f92b8 JB |
5031 | { |
5032 | int mask; | |
546e6d5b RS |
5033 | Window window; |
5034 | ||
5035 | #ifdef USE_X_TOOLKIT | |
5036 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
5037 | window = XtWindow (f->display.x->widget); | |
5038 | #else /* not USE_X_TOOLKIT */ | |
5039 | window = FRAME_X_WINDOW (f); | |
5040 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5041 | |
9319ae23 RS |
5042 | /* Don't keep the highlight on an invisible frame. */ |
5043 | if (x_highlight_frame == f) | |
5044 | x_highlight_frame = 0; | |
5045 | ||
5627c40e | 5046 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5047 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5048 | return; |
5627c40e | 5049 | #endif |
dc6f92b8 JB |
5050 | |
5051 | BLOCK_INPUT; | |
c118dd06 | 5052 | |
af31d76f RS |
5053 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
5054 | that the current position of the window is user-specified, rather than | |
5055 | program-specified, so that when the window is mapped again, it will be | |
5056 | placed at the same location, without forcing the user to position it | |
5057 | by hand again (they have already done that once for this window.) */ | |
5058 | x_wm_set_size_hint (f, 0, 1); | |
5059 | ||
c118dd06 JB |
5060 | #ifdef HAVE_X11R4 |
5061 | ||
334208b7 RS |
5062 | if (! XWithdrawWindow (FRAME_X_DISPLAY (f), window, |
5063 | DefaultScreen (FRAME_X_DISPLAY (f)))) | |
c118dd06 JB |
5064 | { |
5065 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5066 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 5067 | } |
c118dd06 | 5068 | #else /* ! defined (HAVE_X11R4) */ |
16bd92ea | 5069 | |
c118dd06 | 5070 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5071 | if (! EQ (Vx_no_window_manager, Qt)) |
5072 | { | |
16bd92ea | 5073 | XEvent unmap; |
dc6f92b8 | 5074 | |
16bd92ea | 5075 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 5076 | unmap.xunmap.window = window; |
334208b7 | 5077 | unmap.xunmap.event = DefaultRootWindow (FRAME_X_DISPLAY (f)); |
16bd92ea | 5078 | unmap.xunmap.from_configure = False; |
334208b7 RS |
5079 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5080 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5081 | False, |
5082 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5083 | &unmap)) | |
5084 | { | |
5085 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5086 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 5087 | } |
dc6f92b8 JB |
5088 | } |
5089 | ||
16bd92ea | 5090 | /* Unmap the window ourselves. Cheeky! */ |
334208b7 | 5091 | XUnmapWindow (FRAME_X_DISPLAY (f), window); |
c118dd06 | 5092 | #endif /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 5093 | |
5627c40e RS |
5094 | /* We can't distinguish this from iconification |
5095 | just by the event that we get from the server. | |
5096 | So we can't win using the usual strategy of letting | |
5097 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5098 | and synchronize with the server to make sure we agree. */ | |
5099 | f->visible = 0; | |
5100 | FRAME_ICONIFIED_P (f) = 0; | |
5101 | f->async_visible = 0; | |
5102 | f->async_iconified = 0; | |
5103 | ||
334208b7 | 5104 | x_sync (f); |
5627c40e | 5105 | |
dc6f92b8 JB |
5106 | UNBLOCK_INPUT; |
5107 | } | |
5108 | ||
dc6f92b8 JB |
5109 | /* Change window state from mapped to iconified. */ |
5110 | ||
f676886a JB |
5111 | x_iconify_frame (f) |
5112 | struct frame *f; | |
dc6f92b8 JB |
5113 | { |
5114 | int mask; | |
3afe33e7 | 5115 | int result; |
990ba854 | 5116 | Lisp_Object type; |
dc6f92b8 | 5117 | |
9319ae23 RS |
5118 | /* Don't keep the highlight on an invisible frame. */ |
5119 | if (x_highlight_frame == f) | |
5120 | x_highlight_frame = 0; | |
5121 | ||
3a88c238 | 5122 | if (f->async_iconified) |
dc6f92b8 JB |
5123 | return; |
5124 | ||
3afe33e7 | 5125 | BLOCK_INPUT; |
546e6d5b | 5126 | |
990ba854 RS |
5127 | type = x_icon_type (f); |
5128 | if (!NILP (type)) | |
5129 | x_bitmap_icon (f, type); | |
bdcd49ba RS |
5130 | |
5131 | #ifdef USE_X_TOOLKIT | |
5132 | ||
546e6d5b RS |
5133 | if (! FRAME_VISIBLE_P (f)) |
5134 | { | |
5135 | if (! EQ (Vx_no_window_manager, Qt)) | |
5136 | x_wm_set_window_state (f, IconicState); | |
5137 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
5138 | XtMapWidget (f->display.x->widget); | |
5139 | UNBLOCK_INPUT; | |
5140 | return; | |
5141 | } | |
5142 | ||
334208b7 | 5143 | result = XIconifyWindow (FRAME_X_DISPLAY (f), |
bc20ebbf | 5144 | XtWindow (f->display.x->widget), |
334208b7 | 5145 | DefaultScreen (FRAME_X_DISPLAY (f))); |
3afe33e7 RS |
5146 | UNBLOCK_INPUT; |
5147 | ||
5148 | if (!result) | |
546e6d5b | 5149 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
5150 | |
5151 | f->async_iconified = 1; | |
8c002a25 KH |
5152 | |
5153 | BLOCK_INPUT; | |
334208b7 | 5154 | XFlush (FRAME_X_DISPLAY (f)); |
8c002a25 | 5155 | UNBLOCK_INPUT; |
3afe33e7 RS |
5156 | #else /* not USE_X_TOOLKIT */ |
5157 | ||
fd13dbb2 RS |
5158 | /* Make sure the X server knows where the window should be positioned, |
5159 | in case the user deiconifies with the window manager. */ | |
5160 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
5161 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
5162 | ||
16bd92ea JB |
5163 | /* Since we don't know which revision of X we're running, we'll use both |
5164 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5165 | ||
5166 | /* X11R4: send a ClientMessage to the window manager using the | |
5167 | WM_CHANGE_STATE type. */ | |
5168 | { | |
5169 | XEvent message; | |
58769bee | 5170 | |
c118dd06 | 5171 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea | 5172 | message.xclient.type = ClientMessage; |
334208b7 | 5173 | message.xclient.message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_change_state; |
16bd92ea JB |
5174 | message.xclient.format = 32; |
5175 | message.xclient.data.l[0] = IconicState; | |
5176 | ||
334208b7 RS |
5177 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5178 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5179 | False, |
5180 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5181 | &message)) | |
dc6f92b8 JB |
5182 | { |
5183 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5184 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 5185 | } |
16bd92ea | 5186 | } |
dc6f92b8 | 5187 | |
58769bee | 5188 | /* X11R3: set the initial_state field of the window manager hints to |
16bd92ea JB |
5189 | IconicState. */ |
5190 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5191 | |
a9c00105 RS |
5192 | if (!FRAME_VISIBLE_P (f)) |
5193 | { | |
5194 | /* If the frame was withdrawn, before, we must map it. */ | |
7f9c7f94 | 5195 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
a9c00105 RS |
5196 | } |
5197 | ||
3a88c238 | 5198 | f->async_iconified = 1; |
dc6f92b8 | 5199 | |
334208b7 | 5200 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5201 | UNBLOCK_INPUT; |
8c002a25 | 5202 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5203 | } |
5204 | ||
c0ff3fab | 5205 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5206 | |
c0ff3fab | 5207 | x_destroy_window (f) |
f676886a | 5208 | struct frame *f; |
dc6f92b8 | 5209 | { |
7f9c7f94 RS |
5210 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
5211 | ||
dc6f92b8 | 5212 | BLOCK_INPUT; |
c0ff3fab JB |
5213 | |
5214 | if (f->display.x->icon_desc != 0) | |
334208b7 RS |
5215 | XDestroyWindow (FRAME_X_DISPLAY (f), f->display.x->icon_desc); |
5216 | XDestroyWindow (FRAME_X_DISPLAY (f), f->display.x->window_desc); | |
3afe33e7 RS |
5217 | #ifdef USE_X_TOOLKIT |
5218 | XtDestroyWidget (f->display.x->widget); | |
9d7e2e3e | 5219 | free_frame_menubar (f); |
3afe33e7 RS |
5220 | #endif /* USE_X_TOOLKIT */ |
5221 | ||
07e34cb0 | 5222 | free_frame_faces (f); |
334208b7 | 5223 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5224 | |
9ac0d9e0 | 5225 | xfree (f->display.x); |
c0ff3fab | 5226 | f->display.x = 0; |
f676886a JB |
5227 | if (f == x_focus_frame) |
5228 | x_focus_frame = 0; | |
5229 | if (f == x_highlight_frame) | |
5230 | x_highlight_frame = 0; | |
c0ff3fab | 5231 | |
7f9c7f94 RS |
5232 | dpyinfo->reference_count--; |
5233 | ||
5234 | if (f == dpyinfo->mouse_face_mouse_frame) | |
dc05a16b | 5235 | { |
7f9c7f94 RS |
5236 | dpyinfo->mouse_face_beg_row |
5237 | = dpyinfo->mouse_face_beg_col = -1; | |
5238 | dpyinfo->mouse_face_end_row | |
5239 | = dpyinfo->mouse_face_end_col = -1; | |
5240 | dpyinfo->mouse_face_window = Qnil; | |
dc05a16b | 5241 | } |
0134a210 | 5242 | |
c0ff3fab | 5243 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5244 | } |
5245 | \f | |
f451eb13 JB |
5246 | /* Setting window manager hints. */ |
5247 | ||
af31d76f RS |
5248 | /* Set the normal size hints for the window manager, for frame F. |
5249 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5250 | that the window now has. | |
5251 | If USER_POSITION is nonzero, we set the USPosition | |
5252 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5253 | |
af31d76f | 5254 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5255 | struct frame *f; |
af31d76f RS |
5256 | long flags; |
5257 | int user_position; | |
dc6f92b8 JB |
5258 | { |
5259 | XSizeHints size_hints; | |
3afe33e7 RS |
5260 | |
5261 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5262 | Arg al[2]; |
5263 | int ac = 0; | |
5264 | Dimension widget_width, widget_height; | |
bc20ebbf | 5265 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5266 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5267 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5268 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5269 | |
b72a58fd RS |
5270 | /* Setting PMaxSize caused various problems. */ |
5271 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5272 | |
f676886a JB |
5273 | flexlines = f->height; |
5274 | ||
5275 | size_hints.x = f->display.x->left_pos; | |
5276 | size_hints.y = f->display.x->top_pos; | |
7553a6b7 | 5277 | |
7e4f2521 FP |
5278 | #ifdef USE_X_TOOLKIT |
5279 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5280 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
5281 | XtGetValues (f->display.x->column_widget, al, ac); | |
5282 | size_hints.height = widget_height; | |
5283 | size_hints.width = widget_width; | |
5284 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5285 | size_hints.height = PIXEL_HEIGHT (f); |
5286 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5287 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5288 | |
f676886a | 5289 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 5290 | size_hints.height_inc = f->display.x->line_height; |
334208b7 RS |
5291 | size_hints.max_width |
5292 | = FRAME_X_DISPLAY_INFO (f)->width - CHAR_TO_PIXEL_WIDTH (f, 0); | |
5293 | size_hints.max_height | |
5294 | = FRAME_X_DISPLAY_INFO (f)->height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5295 | |
b1c884c3 | 5296 | { |
b0342f17 | 5297 | int base_width, base_height; |
0134a210 | 5298 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5299 | |
f451eb13 JB |
5300 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5301 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5302 | |
0134a210 | 5303 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5304 | |
0134a210 RS |
5305 | /* The window manager uses the base width hints to calculate the |
5306 | current number of rows and columns in the frame while | |
5307 | resizing; min_width and min_height aren't useful for this | |
5308 | purpose, since they might not give the dimensions for a | |
5309 | zero-row, zero-column frame. | |
58769bee | 5310 | |
0134a210 RS |
5311 | We use the base_width and base_height members if we have |
5312 | them; otherwise, we set the min_width and min_height members | |
5313 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5314 | |
5315 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5316 | size_hints.flags |= PBaseSize; |
5317 | size_hints.base_width = base_width; | |
5318 | size_hints.base_height = base_height; | |
5319 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5320 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5321 | #else |
0134a210 RS |
5322 | size_hints.min_width = base_width; |
5323 | size_hints.min_height = base_height; | |
b0342f17 | 5324 | #endif |
b1c884c3 | 5325 | } |
dc6f92b8 | 5326 | |
af31d76f RS |
5327 | if (flags) |
5328 | size_hints.flags |= flags; | |
dc6f92b8 JB |
5329 | else |
5330 | { | |
5331 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
af31d76f RS |
5332 | long supplied_return; |
5333 | int value; | |
5334 | ||
5335 | #ifdef HAVE_X11R4 | |
334208b7 | 5336 | value = XGetWMNormalHints (FRAME_X_DISPLAY (f), window, &hints, |
af31d76f RS |
5337 | &supplied_return); |
5338 | #else | |
334208b7 | 5339 | value = XGetNormalHints (FRAME_X_DISPLAY (f), window, &hints); |
af31d76f | 5340 | #endif |
58769bee | 5341 | |
af31d76f | 5342 | if (value == 0) |
82ee0df4 | 5343 | hints.flags = 0; |
dc6f92b8 JB |
5344 | if (hints.flags & PSize) |
5345 | size_hints.flags |= PSize; | |
5346 | if (hints.flags & PPosition) | |
5347 | size_hints.flags |= PPosition; | |
5348 | if (hints.flags & USPosition) | |
5349 | size_hints.flags |= USPosition; | |
5350 | if (hints.flags & USSize) | |
5351 | size_hints.flags |= USSize; | |
5352 | } | |
0134a210 | 5353 | |
af31d76f | 5354 | #ifdef PWinGravity |
dc05a16b | 5355 | size_hints.win_gravity = f->display.x->win_gravity; |
af31d76f | 5356 | size_hints.flags |= PWinGravity; |
dc05a16b | 5357 | |
af31d76f | 5358 | if (user_position) |
6dba1858 | 5359 | { |
af31d76f RS |
5360 | size_hints.flags &= ~ PPosition; |
5361 | size_hints.flags |= USPosition; | |
6dba1858 | 5362 | } |
2554751d | 5363 | #endif /* PWinGravity */ |
6dba1858 | 5364 | |
b0342f17 | 5365 | #ifdef HAVE_X11R4 |
334208b7 | 5366 | XSetWMNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5367 | #else |
334208b7 | 5368 | XSetNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5369 | #endif |
dc6f92b8 JB |
5370 | } |
5371 | ||
5372 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5373 | x_wm_set_window_state (f, state) |
5374 | struct frame *f; | |
dc6f92b8 JB |
5375 | int state; |
5376 | { | |
3afe33e7 | 5377 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
5378 | Arg al[1]; |
5379 | ||
5380 | XtSetArg (al[0], XtNinitialState, state); | |
5381 | XtSetValues (f->display.x->widget, al, 1); | |
3afe33e7 | 5382 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5383 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5384 | |
16bd92ea JB |
5385 | f->display.x->wm_hints.flags |= StateHint; |
5386 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 5387 | |
334208b7 | 5388 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
546e6d5b | 5389 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5390 | } |
5391 | ||
7f2ae036 | 5392 | x_wm_set_icon_pixmap (f, pixmap_id) |
f676886a | 5393 | struct frame *f; |
7f2ae036 | 5394 | int pixmap_id; |
dc6f92b8 | 5395 | { |
75231bad RS |
5396 | #ifdef USE_X_TOOLKIT |
5397 | Window window = XtWindow (f->display.x->widget); | |
5398 | #else | |
c118dd06 | 5399 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5400 | #endif |
dc6f92b8 | 5401 | |
7f2ae036 | 5402 | if (pixmap_id > 0) |
dbc4e1c1 | 5403 | { |
7a13e894 | 5404 | Pixmap icon_pixmap = x_bitmap_pixmap (f, pixmap_id); |
dbc4e1c1 JB |
5405 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; |
5406 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
5407 | } | |
5408 | else | |
7f2ae036 RS |
5409 | { |
5410 | f->display.x->wm_hints.icon_pixmap = None; | |
5411 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
5412 | } | |
b1c884c3 | 5413 | |
334208b7 | 5414 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5415 | } |
5416 | ||
f676886a JB |
5417 | x_wm_set_icon_position (f, icon_x, icon_y) |
5418 | struct frame *f; | |
dc6f92b8 JB |
5419 | int icon_x, icon_y; |
5420 | { | |
75231bad RS |
5421 | #ifdef USE_X_TOOLKIT |
5422 | Window window = XtWindow (f->display.x->widget); | |
5423 | #else | |
c118dd06 | 5424 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5425 | #endif |
dc6f92b8 | 5426 | |
16bd92ea JB |
5427 | f->display.x->wm_hints.flags |= IconPositionHint; |
5428 | f->display.x->wm_hints.icon_x = icon_x; | |
5429 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5430 | |
334208b7 | 5431 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5432 | } |
5433 | ||
5434 | \f | |
f451eb13 JB |
5435 | /* Initialization. */ |
5436 | ||
3afe33e7 RS |
5437 | #ifdef USE_X_TOOLKIT |
5438 | static XrmOptionDescRec emacs_options[] = { | |
5439 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5440 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5441 | ||
5442 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5443 | XrmoptionSepArg, NULL}, | |
5444 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5445 | ||
5446 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5447 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5448 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5449 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5450 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5451 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
5452 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
5453 | }; | |
5454 | #endif /* USE_X_TOOLKIT */ | |
5455 | ||
7a13e894 RS |
5456 | static int x_initialized; |
5457 | ||
334208b7 | 5458 | struct x_display_info * |
1f8255f2 | 5459 | x_term_init (display_name, xrm_option, resource_name) |
334208b7 | 5460 | Lisp_Object display_name; |
1f8255f2 RS |
5461 | char *xrm_option; |
5462 | char *resource_name; | |
dc6f92b8 | 5463 | { |
f676886a | 5464 | Lisp_Object frame; |
dc6f92b8 | 5465 | char *defaultvalue; |
334208b7 | 5466 | int connection; |
7a13e894 | 5467 | Display *dpy; |
334208b7 RS |
5468 | struct x_display_info *dpyinfo; |
5469 | XrmDatabase xrdb; | |
5470 | ||
7a13e894 RS |
5471 | if (!x_initialized) |
5472 | { | |
5473 | x_initialize (); | |
5474 | x_initialized = 1; | |
5475 | } | |
dc6f92b8 | 5476 | |
3afe33e7 | 5477 | #ifdef USE_X_TOOLKIT |
bdcd49ba RS |
5478 | #ifdef HAVE_X11R5 |
5479 | XtSetLanguageProc (NULL, NULL, NULL); | |
5480 | #endif | |
5481 | ||
7f9c7f94 RS |
5482 | { |
5483 | int argc = 0; | |
5484 | char *argv[3]; | |
5485 | ||
5486 | argv[0] = ""; | |
5487 | argc = 1; | |
5488 | if (xrm_option) | |
5489 | { | |
5490 | argv[argc++] = "-xrm"; | |
5491 | argv[argc++] = xrm_option; | |
5492 | } | |
5493 | dpy = XtOpenDisplay (Xt_app_con, XSTRING (display_name)->data, | |
5494 | resource_name, EMACS_CLASS, | |
5495 | emacs_options, XtNumber (emacs_options), | |
5496 | &argc, argv); | |
5497 | } | |
3afe33e7 RS |
5498 | |
5499 | #else /* not USE_X_TOOLKIT */ | |
bdcd49ba RS |
5500 | #ifdef HAVE_X11R5 |
5501 | XSetLocaleModifiers (""); | |
5502 | #endif | |
7a13e894 | 5503 | dpy = XOpenDisplay (XSTRING (display_name)->data); |
3afe33e7 | 5504 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5505 | |
7a13e894 RS |
5506 | /* Detect failure. */ |
5507 | if (dpy == 0) | |
5508 | return 0; | |
5509 | ||
5510 | /* We have definitely succeeded. Record the new connection. */ | |
5511 | ||
5512 | dpyinfo = (struct x_display_info *) xmalloc (sizeof (struct x_display_info)); | |
5513 | ||
5514 | /* Put this display on the chain. */ | |
5515 | dpyinfo->next = x_display_list; | |
5516 | x_display_list = dpyinfo; | |
5517 | ||
5518 | /* Put it on x_display_name_list as well, to keep them parallel. */ | |
5519 | x_display_name_list = Fcons (Fcons (display_name, Qnil), | |
5520 | x_display_name_list); | |
5521 | dpyinfo->name_list_element = XCONS (x_display_name_list)->car; | |
5522 | ||
5523 | dpyinfo->display = dpy; | |
dc6f92b8 | 5524 | |
dc6f92b8 | 5525 | #if 0 |
7a13e894 | 5526 | XSetAfterFunction (x_current_display, x_trace_wire); |
c118dd06 | 5527 | #endif /* ! 0 */ |
7a13e894 RS |
5528 | |
5529 | dpyinfo->x_id_name | |
5530 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size | |
5531 | + XSTRING (Vsystem_name)->size | |
5532 | + 2); | |
5533 | sprintf (dpyinfo->x_id_name, "%s@%s", | |
5534 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
28430d3c JB |
5535 | |
5536 | /* Figure out which modifier bits mean what. */ | |
334208b7 | 5537 | x_find_modifier_meanings (dpyinfo); |
f451eb13 | 5538 | |
ab648270 | 5539 | /* Get the scroll bar cursor. */ |
7a13e894 | 5540 | dpyinfo->vertical_scroll_bar_cursor |
334208b7 | 5541 | = XCreateFontCursor (dpyinfo->display, XC_sb_v_double_arrow); |
f451eb13 | 5542 | |
334208b7 RS |
5543 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
5544 | resource_name, EMACS_CLASS); | |
5545 | #ifdef HAVE_XRMSETDATABASE | |
5546 | XrmSetDatabase (dpyinfo->display, xrdb); | |
5547 | #else | |
5548 | dpyinfo->display->db = xrdb; | |
5549 | #endif | |
7a13e894 RS |
5550 | /* Put thr rdb where we can find it in a way that works on |
5551 | all versions. */ | |
5552 | dpyinfo->xrdb = xrdb; | |
334208b7 RS |
5553 | |
5554 | dpyinfo->screen = ScreenOfDisplay (dpyinfo->display, | |
5555 | DefaultScreen (dpyinfo->display)); | |
5556 | dpyinfo->visual = select_visual (dpyinfo->display, dpyinfo->screen, | |
5557 | &dpyinfo->n_planes); | |
5558 | dpyinfo->height = HeightOfScreen (dpyinfo->screen); | |
5559 | dpyinfo->width = WidthOfScreen (dpyinfo->screen); | |
5560 | dpyinfo->root_window = RootWindowOfScreen (dpyinfo->screen); | |
5561 | dpyinfo->grabbed = 0; | |
5562 | dpyinfo->reference_count = 0; | |
5563 | dpyinfo->icon_bitmap_id = -1; | |
7a13e894 RS |
5564 | dpyinfo->n_fonts = 0; |
5565 | dpyinfo->font_table_size = 0; | |
5566 | dpyinfo->bitmaps = 0; | |
5567 | dpyinfo->bitmaps_size = 0; | |
5568 | dpyinfo->bitmaps_last = 0; | |
5569 | dpyinfo->scratch_cursor_gc = 0; | |
5570 | dpyinfo->mouse_face_mouse_frame = 0; | |
5571 | dpyinfo->mouse_face_deferred_gc = 0; | |
5572 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
5573 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
5574 | dpyinfo->mouse_face_face_id = 0; | |
5575 | dpyinfo->mouse_face_window = Qnil; | |
5576 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; | |
5577 | dpyinfo->mouse_face_defer = 0; | |
334208b7 RS |
5578 | |
5579 | dpyinfo->Xatom_wm_protocols | |
5580 | = XInternAtom (dpyinfo->display, "WM_PROTOCOLS", False); | |
5581 | dpyinfo->Xatom_wm_take_focus | |
5582 | = XInternAtom (dpyinfo->display, "WM_TAKE_FOCUS", False); | |
5583 | dpyinfo->Xatom_wm_save_yourself | |
5584 | = XInternAtom (dpyinfo->display, "WM_SAVE_YOURSELF", False); | |
5585 | dpyinfo->Xatom_wm_delete_window | |
5586 | = XInternAtom (dpyinfo->display, "WM_DELETE_WINDOW", False); | |
5587 | dpyinfo->Xatom_wm_change_state | |
5588 | = XInternAtom (dpyinfo->display, "WM_CHANGE_STATE", False); | |
5589 | dpyinfo->Xatom_wm_configure_denied | |
5590 | = XInternAtom (dpyinfo->display, "WM_CONFIGURE_DENIED", False); | |
5591 | dpyinfo->Xatom_wm_window_moved | |
5592 | = XInternAtom (dpyinfo->display, "WM_MOVED", False); | |
5593 | dpyinfo->Xatom_editres | |
5594 | = XInternAtom (dpyinfo->display, "Editres", False); | |
5595 | dpyinfo->Xatom_CLIPBOARD | |
5596 | = XInternAtom (dpyinfo->display, "CLIPBOARD", False); | |
5597 | dpyinfo->Xatom_TIMESTAMP | |
5598 | = XInternAtom (dpyinfo->display, "TIMESTAMP", False); | |
5599 | dpyinfo->Xatom_TEXT | |
5600 | = XInternAtom (dpyinfo->display, "TEXT", False); | |
5601 | dpyinfo->Xatom_DELETE | |
5602 | = XInternAtom (dpyinfo->display, "DELETE", False); | |
5603 | dpyinfo->Xatom_MULTIPLE | |
5604 | = XInternAtom (dpyinfo->display, "MULTIPLE", False); | |
5605 | dpyinfo->Xatom_INCR | |
5606 | = XInternAtom (dpyinfo->display, "INCR", False); | |
5607 | dpyinfo->Xatom_EMACS_TMP | |
5608 | = XInternAtom (dpyinfo->display, "_EMACS_TMP_", False); | |
5609 | dpyinfo->Xatom_TARGETS | |
5610 | = XInternAtom (dpyinfo->display, "TARGETS", False); | |
5611 | dpyinfo->Xatom_NULL | |
5612 | = XInternAtom (dpyinfo->display, "NULL", False); | |
5613 | dpyinfo->Xatom_ATOM_PAIR | |
5614 | = XInternAtom (dpyinfo->display, "ATOM_PAIR", False); | |
5615 | ||
5616 | connection = ConnectionNumber (dpyinfo->display); | |
5617 | dpyinfo->connection = connection; | |
5618 | ||
87485d6f MW |
5619 | #ifdef subprocesses |
5620 | /* This is only needed for distinguishing keyboard and process input. */ | |
334208b7 | 5621 | if (connection != 0) |
7a13e894 | 5622 | add_keyboard_wait_descriptor (connection); |
87485d6f | 5623 | #endif |
6d4238f3 | 5624 | |
041b69ac | 5625 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 5626 | #ifdef F_SETOWN |
dc6f92b8 | 5627 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 | 5628 | /* stdin is a socket here */ |
334208b7 | 5629 | fcntl (connection, F_SETOWN, -getpid ()); |
c118dd06 | 5630 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
334208b7 | 5631 | fcntl (connection, F_SETOWN, getpid ()); |
c118dd06 JB |
5632 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
5633 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 5634 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
5635 | |
5636 | #ifdef SIGIO | |
7a13e894 | 5637 | init_sigio (connection); |
c118dd06 | 5638 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 5639 | |
7a13e894 RS |
5640 | return dpyinfo; |
5641 | } | |
5642 | \f | |
5643 | /* Get rid of display DPYINFO, assuming all frames are already gone, | |
5644 | and without sending any more commands to the X server. */ | |
dc6f92b8 | 5645 | |
7a13e894 RS |
5646 | void |
5647 | x_delete_display (dpyinfo) | |
5648 | struct x_display_info *dpyinfo; | |
5649 | { | |
5650 | delete_keyboard_wait_descriptor (dpyinfo->connection); | |
5651 | ||
5652 | /* Discard this display from x_display_name_list and x_display_list. | |
5653 | We can't use Fdelq because that can quit. */ | |
5654 | if (! NILP (x_display_name_list) | |
5655 | && EQ (XCONS (x_display_name_list)->car, dpyinfo->name_list_element)) | |
5656 | x_display_name_list = XCONS (x_display_name_list)->cdr; | |
5657 | else | |
5658 | { | |
5659 | Lisp_Object tail; | |
5660 | ||
5661 | tail = x_display_name_list; | |
5662 | while (CONSP (tail) && CONSP (XCONS (tail)->cdr)) | |
5663 | { | |
5664 | if (EQ (XCONS (XCONS (tail)->cdr)->car, | |
5665 | dpyinfo->name_list_element)) | |
5666 | { | |
5667 | XCONS (tail)->cdr = XCONS (XCONS (tail)->cdr)->cdr; | |
5668 | break; | |
5669 | } | |
5670 | tail = XCONS (tail)->cdr; | |
5671 | } | |
5672 | } | |
5673 | ||
5674 | if (x_display_list == dpyinfo) | |
5675 | x_display_list = dpyinfo->next; | |
7f9c7f94 RS |
5676 | else |
5677 | { | |
5678 | struct x_display_info *tail; | |
7a13e894 | 5679 | |
7f9c7f94 RS |
5680 | for (tail = x_display_list; tail; tail = tail->next) |
5681 | if (tail->next == dpyinfo) | |
5682 | tail->next = tail->next->next; | |
5683 | } | |
7a13e894 | 5684 | |
7f9c7f94 RS |
5685 | #ifndef USE_X_TOOLKIT |
5686 | /* I'm told Xt does this itself. */ | |
5687 | XrmDestroyDatabase (dpyinfo->xrdb); | |
5688 | #endif | |
7a13e894 RS |
5689 | free (dpyinfo->font_table); |
5690 | free (dpyinfo->x_id_name); | |
5691 | free (dpyinfo); | |
5692 | } | |
5693 | \f | |
5694 | /* Set up use of X before we make the first connection. */ | |
5695 | ||
5696 | x_initialize () | |
5697 | { | |
f676886a | 5698 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
5699 | clear_end_of_line_hook = XTclear_end_of_line; |
5700 | ins_del_lines_hook = XTins_del_lines; | |
5701 | change_line_highlight_hook = XTchange_line_highlight; | |
5702 | insert_glyphs_hook = XTinsert_glyphs; | |
5703 | write_glyphs_hook = XTwrite_glyphs; | |
5704 | delete_glyphs_hook = XTdelete_glyphs; | |
5705 | ring_bell_hook = XTring_bell; | |
5706 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
5707 | set_terminal_modes_hook = XTset_terminal_modes; | |
5708 | update_begin_hook = XTupdate_begin; | |
5709 | update_end_hook = XTupdate_end; | |
5710 | set_terminal_window_hook = XTset_terminal_window; | |
5711 | read_socket_hook = XTread_socket; | |
b8009dd1 | 5712 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
5713 | cursor_to_hook = XTcursor_to; |
5714 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 5715 | mouse_position_hook = XTmouse_position; |
f451eb13 | 5716 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 5717 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
5718 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
5719 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
5720 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
5721 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
58769bee | 5722 | |
f676886a | 5723 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
5724 | char_ins_del_ok = 0; /* just as fast to write the line */ |
5725 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
5726 | fast_clear_end_of_line = 1; /* X does this well */ | |
58769bee | 5727 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
5728 | off the bottom */ |
5729 | baud_rate = 19200; | |
5730 | ||
7a13e894 RS |
5731 | x_noop_count = 0; |
5732 | ||
5733 | x_focus_frame = x_highlight_frame = 0; | |
5734 | ||
b30b24cb RS |
5735 | /* Try to use interrupt input; if we can't, then start polling. */ |
5736 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
5737 | ||
7f9c7f94 RS |
5738 | #ifdef USE_X_TOOLKIT |
5739 | XtToolkitInitialize (); | |
5740 | Xt_app_con = XtCreateApplicationContext (); | |
5741 | #endif | |
5742 | ||
58769bee | 5743 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 5744 | original error handler. */ |
334208b7 RS |
5745 | XSetErrorHandler (x_error_quitter); |
5746 | XSetIOErrorHandler (x_io_error_quitter); | |
dc6f92b8 JB |
5747 | |
5748 | /* Disable Window Change signals; they are handled by X events. */ | |
5749 | #ifdef SIGWINCH | |
5750 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 5751 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 5752 | |
c118dd06 | 5753 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 5754 | } |
55123275 JB |
5755 | |
5756 | void | |
5757 | syms_of_xterm () | |
5758 | { | |
7a13e894 RS |
5759 | staticpro (&x_display_name_list); |
5760 | x_display_name_list = Qnil; | |
334208b7 | 5761 | |
ab648270 | 5762 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 5763 | last_mouse_scroll_bar = Qnil; |
55123275 | 5764 | } |
c118dd06 | 5765 | #endif /* ! defined (HAVE_X_WINDOWS) */ |