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> | |
a0a7635f RS |
67 | /* Caused redefinition of DBL_DIG on Netbsd; seems not to be needed. */ |
68 | /* #include <sys/param.h> */ | |
dc6f92b8 | 69 | |
7a13e894 | 70 | #include "frame.h" |
dc6f92b8 JB |
71 | #include "dispextern.h" |
72 | #include "termhooks.h" | |
73 | #include "termopts.h" | |
74 | #include "termchar.h" | |
75 | #if 0 | |
76 | #include "sink.h" | |
77 | #include "sinkmask.h" | |
c118dd06 | 78 | #endif /* ! 0 */ |
dc6f92b8 | 79 | #include "gnu.h" |
dc6f92b8 | 80 | #include "disptab.h" |
dc6f92b8 | 81 | #include "buffer.h" |
f451eb13 | 82 | #include "window.h" |
3b2fa4e6 | 83 | #include "keyboard.h" |
bde7c500 | 84 | #include "intervals.h" |
dc6f92b8 | 85 | |
3afe33e7 | 86 | #ifdef USE_X_TOOLKIT |
9d7e2e3e | 87 | extern void free_frame_menubar (); |
c2df547c | 88 | extern void _XEditResCheckMessages (); |
3afe33e7 RS |
89 | #endif /* USE_X_TOOLKIT */ |
90 | ||
b849c413 RS |
91 | #ifndef USE_X_TOOLKIT |
92 | #define x_any_window_to_frame x_window_to_frame | |
5627c40e | 93 | #define x_top_window_to_frame x_window_to_frame |
b849c413 RS |
94 | #endif |
95 | ||
546e6d5b RS |
96 | #ifdef USE_X_TOOLKIT |
97 | #ifndef XtNinitialState | |
98 | #define XtNinitialState "initialState" | |
99 | #endif | |
100 | #endif | |
101 | ||
dc6f92b8 JB |
102 | #define min(a,b) ((a)<(b) ? (a) : (b)) |
103 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 104 | \f |
334208b7 RS |
105 | /* This is a chain of structures for all the X displays currently in use. */ |
106 | struct x_display_info *x_display_list; | |
dc6f92b8 | 107 | |
7a13e894 RS |
108 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), |
109 | one for each element of x_display_list and in the same order. | |
110 | NAME is the name of the frame. | |
111 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
112 | Lisp_Object x_display_name_list; | |
f451eb13 | 113 | |
987d2ad1 | 114 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 115 | This is set by update_begin and looked at by all the |
dc6f92b8 | 116 | XT functions. It is zero while not inside an update. |
f676886a JB |
117 | In that case, the XT functions assume that `selected_frame' |
118 | is the frame to apply to. */ | |
d0386f2a | 119 | extern struct frame *updating_frame; |
dc6f92b8 | 120 | |
f676886a | 121 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
122 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
123 | that a mere EnterNotify event can set this; if you need to know the | |
124 | last frame specified in a FocusIn or FocusOut event, use | |
125 | x_focus_event_frame. */ | |
f676886a | 126 | struct frame *x_focus_frame; |
dc6f92b8 | 127 | |
0134a210 RS |
128 | /* This is a frame waiting to be autoraised, within XTread_socket. */ |
129 | struct frame *pending_autoraise_frame; | |
130 | ||
f451eb13 JB |
131 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
132 | separate from x_focus_frame, because whether or not LeaveNotify | |
133 | events cause us to lose focus depends on whether or not we have | |
134 | received a FocusIn event for it. */ | |
135 | struct frame *x_focus_event_frame; | |
136 | ||
f676886a JB |
137 | /* The frame which currently has the visual highlight, and should get |
138 | keyboard input (other sorts of input have the frame encoded in the | |
139 | event). It points to the X focus frame's selected window's | |
140 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 141 | minibuffer. */ |
f676886a | 142 | static struct frame *x_highlight_frame; |
6d4238f3 | 143 | |
7f9c7f94 RS |
144 | #ifdef USE_X_TOOLKIT |
145 | /* The application context for Xt use. */ | |
146 | XtAppContext Xt_app_con; | |
147 | #endif | |
148 | ||
dc6f92b8 JB |
149 | /* During an update, maximum vpos for ins/del line operations to affect. */ |
150 | ||
151 | static int flexlines; | |
152 | ||
153 | /* During an update, nonzero if chars output now should be highlighted. */ | |
154 | ||
155 | static int highlight; | |
156 | ||
157 | /* Nominal cursor position -- where to draw output. | |
158 | During an update, these are different from the cursor-box position. */ | |
159 | ||
160 | static int curs_x; | |
161 | static int curs_y; | |
162 | ||
69388238 RS |
163 | /* Mouse movement. |
164 | ||
165 | In order to avoid asking for motion events and then throwing most | |
166 | of them away or busy-polling the server for mouse positions, we ask | |
167 | the server for pointer motion hints. This means that we get only | |
168 | one event per group of mouse movements. "Groups" are delimited by | |
169 | other kinds of events (focus changes and button clicks, for | |
170 | example), or by XQueryPointer calls; when one of these happens, we | |
171 | get another MotionNotify event the next time the mouse moves. This | |
172 | is at least as efficient as getting motion events when mouse | |
173 | tracking is on, and I suspect only negligibly worse when tracking | |
174 | is off. | |
175 | ||
176 | The silly O'Reilly & Associates Nutshell guides barely document | |
177 | pointer motion hints at all (I think you have to infer how they | |
178 | work from an example), and the description of XQueryPointer doesn't | |
179 | mention that calling it causes you to get another motion hint from | |
180 | the server, which is very important. */ | |
181 | ||
182 | /* Where the mouse was last time we reported a mouse event. */ | |
183 | static FRAME_PTR last_mouse_frame; | |
184 | static XRectangle last_mouse_glyph; | |
185 | ||
186 | /* The scroll bar in which the last X motion event occurred. | |
187 | ||
188 | If the last X motion event occurred in a scroll bar, we set this | |
189 | so XTmouse_position can know whether to report a scroll bar motion or | |
190 | an ordinary motion. | |
191 | ||
192 | If the last X motion event didn't occur in a scroll bar, we set this | |
193 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
194 | static Lisp_Object last_mouse_scroll_bar; | |
195 | ||
69388238 RS |
196 | /* This is a hack. We would really prefer that XTmouse_position would |
197 | return the time associated with the position it returns, but there | |
198 | doesn't seem to be any way to wrest the timestamp from the server | |
199 | along with the position query. So, we just keep track of the time | |
200 | of the last movement we received, and return that in hopes that | |
201 | it's somewhat accurate. */ | |
202 | static Time last_mouse_movement_time; | |
203 | ||
c0a04927 RS |
204 | /* Incremented by XTread_socket whenever it really tries to read events. */ |
205 | #ifdef __STDC__ | |
206 | static int volatile input_signal_count; | |
207 | #else | |
208 | static int input_signal_count; | |
209 | #endif | |
210 | ||
7a13e894 RS |
211 | /* Used locally within XTread_socket. */ |
212 | static int x_noop_count; | |
dc6f92b8 | 213 | |
7a13e894 RS |
214 | /* Initial values of argv and argc. */ |
215 | extern char **initial_argv; | |
216 | extern int initial_argc; | |
dc6f92b8 | 217 | |
7a13e894 | 218 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
dc6f92b8 | 219 | |
7a13e894 RS |
220 | /* Tells if a window manager is present or not. */ |
221 | ||
222 | extern Lisp_Object Vx_no_window_manager; | |
dc6f92b8 JB |
223 | |
224 | /* Nonzero enables some debugging for the X interface code. */ | |
225 | extern int _Xdebug; | |
226 | ||
c2df547c | 227 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 228 | |
dc6f92b8 JB |
229 | extern int errno; |
230 | ||
dfeccd2d | 231 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
232 | extern int extra_keyboard_modifiers; |
233 | ||
334208b7 | 234 | extern XrmDatabase x_load_resources (); |
dc6f92b8 | 235 | |
7a13e894 RS |
236 | void x_delete_display (); |
237 | ||
dc6f92b8 | 238 | static void flashback (); |
c83febd7 | 239 | static void redraw_previous_char (); |
0cdd0c9f | 240 | static void redraw_following_char (); |
3afe33e7 | 241 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 242 | |
55836b73 | 243 | static int fast_find_position (); |
b8009dd1 RS |
244 | static void note_mouse_highlight (); |
245 | static void clear_mouse_face (); | |
246 | static void show_mouse_face (); | |
58769bee | 247 | static void do_line_dance (); |
b8009dd1 | 248 | |
4746118a JB |
249 | static int XTcursor_to (); |
250 | static int XTclear_end_of_line (); | |
7a13e894 | 251 | static int x_io_error_quitter (); |
334208b7 RS |
252 | \f |
253 | /* Return the struct x_display_info corresponding to DPY. */ | |
254 | ||
255 | struct x_display_info * | |
256 | x_display_info_for_display (dpy) | |
257 | Display *dpy; | |
258 | { | |
259 | struct x_display_info *dpyinfo; | |
260 | ||
261 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
262 | if (dpyinfo->display == dpy) | |
263 | return dpyinfo; | |
16bd92ea | 264 | |
334208b7 RS |
265 | return 0; |
266 | } | |
a1b7a2ab KH |
267 | |
268 | #ifdef MULTI_PERDISPLAY | |
269 | /* Return the perdisplay struct corresponding to FRAME. */ | |
270 | #undef get_perdisplay | |
271 | ||
272 | PERDISPLAY * | |
273 | get_perdisplay(frame) | |
274 | FRAME_PTR frame; | |
275 | { | |
276 | return get_perdisplay_macro (frame); | |
277 | } | |
278 | #define get_perdisplay(frame) get_perdisplay_macro (frame) | |
279 | #endif | |
16bd92ea | 280 | \f |
58769bee | 281 | /* Starting and ending updates. |
f451eb13 JB |
282 | |
283 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
284 | of a frame update. We record in `updating_frame' the identity |
285 | of the frame being updated, so that the XT... functions do not | |
286 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 287 | should never be called except during an update, the only exceptions |
c83febd7 | 288 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 | 289 | |
dc6f92b8 | 290 | static |
f676886a JB |
291 | XTupdate_begin (f) |
292 | struct frame *f; | |
58769bee | 293 | { |
dc6f92b8 JB |
294 | int mask; |
295 | ||
f676886a | 296 | if (f == 0) |
dc6f92b8 JB |
297 | abort (); |
298 | ||
f676886a | 299 | flexlines = f->height; |
dc6f92b8 JB |
300 | highlight = 0; |
301 | ||
dc6f92b8 | 302 | BLOCK_INPUT; |
b8009dd1 | 303 | |
7a13e894 | 304 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
b8009dd1 | 305 | { |
514e4681 | 306 | /* Don't do highlighting for mouse motion during the update. */ |
7a13e894 | 307 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 1; |
37c2c98b RS |
308 | |
309 | /* If the frame needs to be redrawn, | |
310 | simply forget about any prior mouse highlighting. */ | |
9f67f20b | 311 | if (FRAME_GARBAGED_P (f)) |
37c2c98b RS |
312 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = Qnil; |
313 | ||
7a13e894 | 314 | if (!NILP (FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) |
514e4681 RS |
315 | { |
316 | int firstline, lastline, i; | |
7a13e894 | 317 | struct window *w = XWINDOW (FRAME_X_DISPLAY_INFO (f)->mouse_face_window); |
514e4681 RS |
318 | |
319 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
320 | for (firstline = 0; firstline < f->height; firstline++) | |
321 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
322 | break; | |
323 | ||
324 | lastline = f->height; | |
325 | for (i = f->height - 1; i >= 0; i--) | |
326 | { | |
327 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
328 | break; | |
329 | else | |
330 | lastline = i; | |
331 | } | |
332 | ||
333 | /* Can we tell that this update does not affect the window | |
37c2c98b RS |
334 | where the mouse highlight is? If so, no need to turn off. |
335 | Likewise, don't do anything if the frame is garbaged; | |
336 | in that case, the FRAME_CURRENT_GLYPHS that we would use | |
337 | are all wrong, and we will redisplay that line anyway. */ | |
514e4681 RS |
338 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) |
339 | || lastline < XFASTINT (w->top))) | |
7a13e894 | 340 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
514e4681 | 341 | } |
b8009dd1 | 342 | } |
6ccf47d1 | 343 | |
dc6f92b8 JB |
344 | UNBLOCK_INPUT; |
345 | } | |
346 | ||
dc6f92b8 | 347 | static |
f676886a JB |
348 | XTupdate_end (f) |
349 | struct frame *f; | |
58769bee | 350 | { |
dc6f92b8 JB |
351 | int mask; |
352 | ||
dc6f92b8 | 353 | BLOCK_INPUT; |
dc6f92b8 | 354 | |
58769bee | 355 | do_line_dance (); |
f676886a | 356 | x_display_cursor (f, 1); |
dc6f92b8 | 357 | |
7a13e894 RS |
358 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
359 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
b8009dd1 RS |
360 | #if 0 |
361 | /* This fails in the case of having updated only the echo area | |
362 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
363 | has no relation to the current contents, and its charstarts | |
364 | have no relation to the contents of the window-buffer. | |
365 | I don't know a clean way to check | |
366 | for that case. window_end_valid isn't set up yet. */ | |
7a13e894 RS |
367 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
368 | note_mouse_highlight (f, FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
369 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
b8009dd1 RS |
370 | #endif |
371 | ||
334208b7 | 372 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
373 | UNBLOCK_INPUT; |
374 | } | |
b8009dd1 | 375 | |
514e4681 | 376 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
377 | |
378 | static | |
379 | XTframe_up_to_date (f) | |
380 | FRAME_PTR f; | |
381 | { | |
7a13e894 RS |
382 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc |
383 | || f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) | |
514e4681 | 384 | { |
7a13e894 RS |
385 | note_mouse_highlight (FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame, |
386 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
387 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
388 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0; | |
514e4681 | 389 | } |
b8009dd1 | 390 | } |
dc6f92b8 JB |
391 | \f |
392 | /* External interface to control of standout mode. | |
393 | Call this when about to modify line at position VPOS | |
394 | and not change whether it is highlighted. */ | |
395 | ||
396 | XTreassert_line_highlight (new, vpos) | |
397 | int new, vpos; | |
398 | { | |
399 | highlight = new; | |
400 | } | |
401 | ||
402 | /* Call this when about to modify line at position VPOS | |
403 | and change whether it is highlighted. */ | |
404 | ||
405 | static | |
406 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
407 | int new_highlight, vpos, first_unused_hpos; | |
408 | { | |
409 | highlight = new_highlight; | |
410 | XTcursor_to (vpos, 0); | |
f676886a | 411 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
412 | } |
413 | ||
414 | /* This is used when starting Emacs and when restarting after suspend. | |
415 | When starting Emacs, no X window is mapped. And nothing must be done | |
416 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
417 | ||
418 | static | |
419 | XTset_terminal_modes () | |
420 | { | |
421 | } | |
422 | ||
423 | /* This is called when exiting or suspending Emacs. | |
424 | Exiting will make the X-windows go away, and suspending | |
425 | requires no action. */ | |
426 | ||
427 | static | |
428 | XTreset_terminal_modes () | |
429 | { | |
f676886a | 430 | /* XTclear_frame (); */ |
dc6f92b8 JB |
431 | } |
432 | \f | |
f451eb13 JB |
433 | /* Set the nominal cursor position of the frame. |
434 | This is where display update commands will take effect. | |
dc6f92b8 JB |
435 | This does not affect the place where the cursor-box is displayed. */ |
436 | ||
4746118a | 437 | static int |
dc6f92b8 JB |
438 | XTcursor_to (row, col) |
439 | register int row, col; | |
440 | { | |
441 | int mask; | |
442 | int orow = row; | |
443 | ||
444 | curs_x = col; | |
445 | curs_y = row; | |
446 | ||
f676886a | 447 | if (updating_frame == 0) |
dc6f92b8 JB |
448 | { |
449 | BLOCK_INPUT; | |
f676886a | 450 | x_display_cursor (selected_frame, 1); |
334208b7 | 451 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
452 | UNBLOCK_INPUT; |
453 | } | |
454 | } | |
455 | \f | |
456 | /* Display a sequence of N glyphs found at GP. | |
457 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
458 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
459 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
460 | JUST_FOREGROUND if 1 means draw only the foreground; |
461 | don't alter the background. | |
dc6f92b8 | 462 | |
07e34cb0 | 463 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 464 | |
07e34cb0 JB |
465 | Since the display generation code is responsible for calling |
466 | compute_char_face and compute_glyph_face on everything it puts in | |
467 | the display structure, we can assume that the face code on each | |
28f72798 | 468 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
469 | to which we can actually apply intern_face. |
470 | Call this function with input blocked. */ | |
dc6f92b8 | 471 | |
07e34cb0 JB |
472 | #if 1 |
473 | /* This is the multi-face code. */ | |
dc6f92b8 | 474 | |
dc6f92b8 | 475 | static void |
0cdd0c9f | 476 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 477 | struct frame *f; |
dc6f92b8 JB |
478 | int left, top; |
479 | register GLYPH *gp; /* Points to first GLYPH. */ | |
480 | register int n; /* Number of glyphs to display. */ | |
481 | int hl; | |
0cdd0c9f | 482 | int just_foreground; |
dc6f92b8 | 483 | { |
07e34cb0 JB |
484 | /* Holds characters to be displayed. */ |
485 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
486 | register char *cp; /* Steps through buf[]. */ |
487 | register int tlen = GLYPH_TABLE_LENGTH; | |
488 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 489 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 490 | int orig_left = left; |
dc6f92b8 | 491 | |
07e34cb0 | 492 | while (n > 0) |
dc6f92b8 JB |
493 | { |
494 | /* Get the face-code of the next GLYPH. */ | |
495 | int cf, len; | |
496 | int g = *gp; | |
497 | ||
07e34cb0 | 498 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 499 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
500 | |
501 | /* Find the run of consecutive glyphs with the same face-code. | |
502 | Extract their character codes into BUF. */ | |
503 | cp = buf; | |
504 | while (n > 0) | |
505 | { | |
506 | g = *gp; | |
07e34cb0 | 507 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 508 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
509 | break; |
510 | ||
6f63ba79 | 511 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
512 | --n; |
513 | ++gp; | |
514 | } | |
515 | ||
516 | /* LEN gets the length of the run. */ | |
517 | len = cp - buf; | |
518 | ||
519 | /* Now output this run of chars, with the font and pixel values | |
520 | determined by the face code CF. */ | |
07e34cb0 JB |
521 | { |
522 | struct face *face = FRAME_DEFAULT_FACE (f); | |
334208b7 | 523 | XFontStruct *font = FACE_FONT (face); |
07e34cb0 | 524 | GC gc = FACE_GC (face); |
990ba854 | 525 | int stippled = 0; |
07e34cb0 | 526 | |
b8009dd1 RS |
527 | /* HL = 3 means use a mouse face previously chosen. */ |
528 | if (hl == 3) | |
7a13e894 | 529 | cf = FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id; |
b8009dd1 | 530 | |
b73b6aaf RS |
531 | /* First look at the face of the text itself. */ |
532 | if (cf != 0) | |
07e34cb0 | 533 | { |
a07d4bc5 RS |
534 | /* It's possible for the display table to specify |
535 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
536 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
537 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 538 | cf = 0; |
07e34cb0 JB |
539 | |
540 | if (cf == 1) | |
541 | face = FRAME_MODE_LINE_FACE (f); | |
542 | else | |
28f72798 | 543 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
544 | font = FACE_FONT (face); |
545 | gc = FACE_GC (face); | |
990ba854 RS |
546 | if (FACE_STIPPLE (face)) |
547 | stippled = 1; | |
07e34cb0 | 548 | } |
4a4dc352 JB |
549 | |
550 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
551 | else if (hl == 0) |
552 | ; | |
553 | else if (hl == 1) | |
554 | { | |
555 | face = FRAME_MODE_LINE_FACE (f); | |
556 | font = FACE_FONT (face); | |
557 | gc = FACE_GC (face); | |
990ba854 RS |
558 | if (FACE_STIPPLE (face)) |
559 | stippled = 1; | |
b73b6aaf RS |
560 | } |
561 | ||
562 | #define FACE_DEFAULT (~0) | |
563 | ||
564 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 565 | if (hl == 2) |
b73b6aaf | 566 | { |
990ba854 RS |
567 | /* The cursor overrides stippling. */ |
568 | stippled = 0; | |
569 | ||
11dd3d61 RS |
570 | if ((!face->font |
571 | || (int) face->font == FACE_DEFAULT | |
572 | || face->font == f->display.x->font) | |
573 | && face->background == f->display.x->background_pixel | |
574 | && face->foreground == f->display.x->foreground_pixel) | |
b5cf7a0e JB |
575 | { |
576 | gc = f->display.x->cursor_gc; | |
577 | } | |
578 | /* Cursor on non-default face: must merge. */ | |
579 | else | |
580 | { | |
581 | XGCValues xgcv; | |
582 | unsigned long mask; | |
583 | ||
584 | xgcv.background = f->display.x->cursor_pixel; | |
11dd3d61 | 585 | xgcv.foreground = face->background; |
df5a440b RS |
586 | /* If the glyph would be invisible, |
587 | try a different foreground. */ | |
588 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 589 | xgcv.foreground = face->foreground; |
df5a440b RS |
590 | if (xgcv.foreground == xgcv.background) |
591 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
592 | if (xgcv.foreground == xgcv.background) | |
593 | xgcv.foreground = face->foreground; | |
594 | /* Make sure the cursor is distinct from text in this face. */ | |
595 | if (xgcv.background == face->background | |
596 | && xgcv.foreground == face->foreground) | |
597 | { | |
598 | xgcv.background = face->foreground; | |
599 | xgcv.foreground = face->background; | |
600 | } | |
b5cf7a0e JB |
601 | xgcv.font = face->font->fid; |
602 | xgcv.graphics_exposures = 0; | |
603 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
7a13e894 RS |
604 | if (FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc) |
605 | XChangeGC (FRAME_X_DISPLAY (f), | |
606 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc, | |
607 | mask, &xgcv); | |
11dd3d61 | 608 | else |
7a13e894 | 609 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc |
334208b7 | 610 | = XCreateGC (FRAME_X_DISPLAY (f), window, mask, &xgcv); |
7a13e894 | 611 | gc = FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc; |
b73b6aaf | 612 | #if 0 |
11dd3d61 RS |
613 | /* If this code is restored, it must also reset to the default stipple |
614 | if necessary. */ | |
b5cf7a0e | 615 | if (face->stipple && face->stipple != FACE_DEFAULT) |
334208b7 | 616 | XSetStipple (FRAME_X_DISPLAY (f), gc, face->stipple); |
b73b6aaf | 617 | #endif |
b5cf7a0e | 618 | } |
07e34cb0 | 619 | } |
07e34cb0 | 620 | |
b5cf7a0e JB |
621 | if ((int) font == FACE_DEFAULT) |
622 | font = f->display.x->font; | |
623 | ||
0cdd0c9f | 624 | if (just_foreground) |
334208b7 | 625 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
0cdd0c9f RS |
626 | left, top + FONT_BASE (font), buf, len); |
627 | else | |
628 | { | |
990ba854 RS |
629 | if (stippled) |
630 | { | |
631 | /* Turn stipple on. */ | |
632 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillOpaqueStippled); | |
633 | ||
634 | /* Draw stipple on background. */ | |
334208b7 | 635 | XFillRectangle (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
636 | left, top, |
637 | FONT_WIDTH (font) * len, | |
638 | FONT_HEIGHT (font)); | |
639 | ||
640 | /* Turn stipple off. */ | |
641 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillSolid); | |
642 | ||
643 | /* Draw the text, solidly, onto the stipple pattern. */ | |
334208b7 | 644 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
645 | left, top + FONT_BASE (font), buf, len); |
646 | } | |
647 | else | |
334208b7 | 648 | XDrawImageString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
649 | left, top + FONT_BASE (font), buf, len); |
650 | ||
0cdd0c9f RS |
651 | /* Clear the rest of the line's height. */ |
652 | if (f->display.x->line_height != FONT_HEIGHT (font)) | |
334208b7 | 653 | XClearArea (FRAME_X_DISPLAY (f), window, left, |
0cdd0c9f RS |
654 | top + FONT_HEIGHT (font), |
655 | FONT_WIDTH (font) * len, | |
656 | /* This is how many pixels of height | |
657 | we have to clear. */ | |
658 | f->display.x->line_height - FONT_HEIGHT (font), | |
659 | False); | |
660 | } | |
661 | ||
662 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
663 | which often is not up to date yet. */ | |
664 | if (!just_foreground) | |
665 | { | |
666 | if (left == orig_left) | |
667 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
668 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
669 | if (n == 0) | |
670 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
671 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
672 | } | |
673 | #endif | |
07e34cb0 JB |
674 | |
675 | /* We should probably check for XA_UNDERLINE_POSITION and | |
676 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
677 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 678 | { |
4a4dc352 | 679 | int underline_position = 1; |
07e34cb0 | 680 | |
4a4dc352 JB |
681 | if (font->descent <= underline_position) |
682 | underline_position = font->descent - 1; | |
07e34cb0 JB |
683 | |
684 | if (face->underline) | |
334208b7 | 685 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
07e34cb0 JB |
686 | FACE_GC (face), |
687 | left, (top | |
688 | + FONT_BASE (font) | |
689 | + underline_position), | |
690 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 691 | } |
07e34cb0 JB |
692 | |
693 | left += len * FONT_WIDTH (font); | |
694 | } | |
dc6f92b8 JB |
695 | } |
696 | } | |
07e34cb0 JB |
697 | #endif /* 1 */ |
698 | ||
699 | #if 0 | |
700 | /* This is the old single-face code. */ | |
701 | ||
702 | static void | |
703 | dumpglyphs (f, left, top, gp, n, hl, font) | |
704 | struct frame *f; | |
705 | int left, top; | |
706 | register GLYPH *gp; /* Points to first GLYPH. */ | |
707 | register int n; /* Number of glyphs to display. */ | |
708 | int hl; | |
334208b7 | 709 | XFontStruct *font; |
07e34cb0 JB |
710 | { |
711 | register int len; | |
712 | Window window = FRAME_X_WINDOW (f); | |
713 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
714 | : (hl ? f->display.x->reverse_gc | |
715 | : f->display.x->normal_gc)); | |
716 | ||
717 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
334208b7 | 718 | XDrawImageString16 (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
719 | left, top + FONT_BASE (font), (XChar2b *) gp, n); |
720 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
334208b7 | 721 | XDrawImageString (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
722 | left, top + FONT_BASE (font), (char *) gp, n); |
723 | else | |
724 | /* What size of glyph ARE you using? And does X have a function to | |
725 | draw them? */ | |
726 | abort (); | |
727 | } | |
728 | #endif | |
dc6f92b8 | 729 | \f |
f451eb13 JB |
730 | /* Output some text at the nominal frame cursor position. |
731 | Advance the cursor over the text. | |
dc6f92b8 JB |
732 | Output LEN glyphs at START. |
733 | ||
734 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
735 | controls the pixel values used for foreground and background. */ | |
736 | ||
737 | static | |
738 | XTwrite_glyphs (start, len) | |
739 | register GLYPH *start; | |
740 | int len; | |
741 | { | |
742 | register int temp_length; | |
743 | int mask; | |
f676886a | 744 | struct frame *f; |
dc6f92b8 JB |
745 | |
746 | BLOCK_INPUT; | |
747 | ||
58769bee | 748 | do_line_dance (); |
f676886a JB |
749 | f = updating_frame; |
750 | if (f == 0) | |
dc6f92b8 | 751 | { |
f676886a | 752 | f = selected_frame; |
dc6f92b8 | 753 | /* If not within an update, |
f676886a JB |
754 | output at the frame's visible cursor. */ |
755 | curs_x = f->cursor_x; | |
756 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
757 | } |
758 | ||
f676886a | 759 | dumpglyphs (f, |
12ba150f JB |
760 | CHAR_TO_PIXEL_COL (f, curs_x), |
761 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 762 | start, len, highlight, 0); |
90e65f07 JB |
763 | |
764 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
765 | if (curs_y == f->phys_cursor_y |
766 | && curs_x <= f->phys_cursor_x | |
767 | && curs_x + len > f->phys_cursor_x) | |
768 | f->phys_cursor_x = -1; | |
58769bee | 769 | |
f676886a | 770 | if (updating_frame == 0) |
dc6f92b8 | 771 | { |
f676886a JB |
772 | f->cursor_x += len; |
773 | x_display_cursor (f, 1); | |
774 | f->cursor_x -= len; | |
dc6f92b8 JB |
775 | } |
776 | else | |
777 | curs_x += len; | |
778 | ||
779 | UNBLOCK_INPUT; | |
780 | } | |
781 | \f | |
f451eb13 JB |
782 | /* Clear to the end of the line. |
783 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
784 | to column FIRST_UNUSED (exclusive). The idea is that everything |
785 | from FIRST_UNUSED onward is already erased. */ | |
58769bee | 786 | |
4746118a | 787 | static int |
dc6f92b8 JB |
788 | XTclear_end_of_line (first_unused) |
789 | register int first_unused; | |
790 | { | |
f676886a | 791 | struct frame *f = updating_frame; |
dc6f92b8 JB |
792 | int mask; |
793 | ||
f676886a | 794 | if (f == 0) |
dc6f92b8 JB |
795 | abort (); |
796 | ||
f676886a | 797 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
798 | return; |
799 | if (first_unused <= 0) | |
800 | return; | |
801 | ||
f676886a JB |
802 | if (first_unused >= f->width) |
803 | first_unused = f->width; | |
dc6f92b8 JB |
804 | |
805 | BLOCK_INPUT; | |
806 | ||
b30ec466 KH |
807 | do_line_dance (); |
808 | ||
90e65f07 | 809 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
810 | if (curs_y == f->phys_cursor_y |
811 | && curs_x <= f->phys_cursor_x | |
812 | && f->phys_cursor_x < first_unused) | |
813 | f->phys_cursor_x = -1; | |
dc6f92b8 | 814 | |
334208b7 | 815 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
12ba150f JB |
816 | CHAR_TO_PIXEL_COL (f, curs_x), |
817 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 818 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 819 | f->display.x->line_height, False); |
c83febd7 | 820 | #if 0 |
0cdd0c9f | 821 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 822 | #endif |
dc6f92b8 JB |
823 | |
824 | UNBLOCK_INPUT; | |
825 | } | |
826 | ||
0cdd0c9f RS |
827 | static |
828 | XTclear_frame () | |
829 | { | |
830 | int mask; | |
831 | struct frame *f = updating_frame; | |
832 | ||
833 | if (f == 0) | |
834 | f = selected_frame; | |
835 | ||
836 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
837 | curs_x = 0; /* Nominal cursor position is top left. */ | |
838 | curs_y = 0; | |
58769bee | 839 | |
0cdd0c9f RS |
840 | BLOCK_INPUT; |
841 | ||
334208b7 | 842 | XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0cdd0c9f RS |
843 | |
844 | /* We have to clear the scroll bars, too. If we have changed | |
845 | colors or something like that, then they should be notified. */ | |
846 | x_scroll_bar_clear (f); | |
847 | ||
334208b7 | 848 | XFlush (FRAME_X_DISPLAY (f)); |
0cdd0c9f RS |
849 | UNBLOCK_INPUT; |
850 | } | |
851 | \f | |
852 | #if 0 | |
853 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
854 | always contain the right glyphs to use. | |
855 | ||
856 | It also needs to be changed to look at the details of the font and | |
857 | see whether there is really overlap, and do nothing when there is | |
858 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
859 | but just how to use them is not clear. */ | |
860 | ||
c83febd7 RS |
861 | /* Erase the character (if any) at the position just before X, Y in frame F, |
862 | then redraw it and the character before it. | |
863 | This is necessary when we erase starting at X, | |
f94397b5 KH |
864 | in case the character after X overlaps into the one before X. |
865 | Call this function with input blocked. */ | |
c83febd7 RS |
866 | |
867 | static void | |
0cdd0c9f | 868 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
869 | FRAME_PTR f; |
870 | int x, y; | |
0cdd0c9f | 871 | int highlight_flag; |
c83febd7 RS |
872 | { |
873 | /* Erase the character before the new ones, in case | |
874 | what was here before overlaps it. | |
875 | Reoutput that character, and the previous character | |
876 | (in case the previous character overlaps it). */ | |
877 | if (x > 0) | |
878 | { | |
879 | int start_x = x - 2; | |
880 | if (start_x < 0) | |
881 | start_x = 0; | |
334208b7 | 882 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
c83febd7 RS |
883 | CHAR_TO_PIXEL_COL (f, x - 1), |
884 | CHAR_TO_PIXEL_ROW (f, y), | |
885 | FONT_WIDTH (f->display.x->font), | |
a27f9f86 | 886 | f->display.x->line_height, False); |
c83febd7 RS |
887 | |
888 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
889 | CHAR_TO_PIXEL_ROW (f, y), | |
890 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 891 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
892 | } |
893 | } | |
894 | ||
0cdd0c9f RS |
895 | /* Erase the character (if any) at the position X, Y in frame F, |
896 | then redraw it and the character after it. | |
897 | This is necessary when we erase endng at X, | |
898 | in case the character after X overlaps into the one before X. | |
899 | Call this function with input blocked. */ | |
900 | ||
901 | static void | |
902 | redraw_following_char (f, x, y, highlight_flag) | |
903 | FRAME_PTR f; | |
904 | int x, y; | |
905 | int highlight_flag; | |
dc6f92b8 | 906 | { |
0cdd0c9f RS |
907 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
908 | /* Erase the character after the new ones, in case | |
909 | what was here before overlaps it. | |
910 | Reoutput that character, and the following character | |
911 | (in case the following character overlaps it). */ | |
912 | if (x < limit | |
913 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
914 | { | |
915 | int end_x = x + 2; | |
916 | if (end_x > limit) | |
917 | end_x = limit; | |
334208b7 | 918 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
919 | CHAR_TO_PIXEL_COL (f, x), |
920 | CHAR_TO_PIXEL_ROW (f, y), | |
921 | FONT_WIDTH (f->display.x->font), | |
922 | f->display.x->line_height, False); | |
dc6f92b8 | 923 | |
0cdd0c9f RS |
924 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
925 | CHAR_TO_PIXEL_ROW (f, y), | |
926 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
927 | end_x - x, highlight_flag, 1); | |
928 | } | |
929 | } | |
930 | #endif /* 0 */ | |
931 | \f | |
932 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 933 | |
0cdd0c9f | 934 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 935 | |
0cdd0c9f RS |
936 | static int |
937 | font_char_overlap_left (font, c) | |
938 | XFontStruct *font; | |
939 | int c; | |
940 | { | |
941 | XCharStruct *s; | |
dbc4e1c1 | 942 | |
0cdd0c9f RS |
943 | /* Find the bounding-box info for C. */ |
944 | if (font->per_char == 0) | |
945 | s = &font->max_bounds; | |
946 | else | |
947 | { | |
948 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
949 | int row, within; | |
58769bee | 950 | |
0cdd0c9f RS |
951 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
952 | row = c >> 8; | |
953 | within = c & 0177; | |
954 | if (!(within >= font->min_char_or_byte2 | |
955 | && within <= font->max_char_or_byte2 | |
956 | && row >= font->min_byte1 | |
957 | && row <= font->max_byte1)) | |
958 | { | |
959 | /* If char is out of range, try the font's default char instead. */ | |
960 | c = font->default_char; | |
961 | row = c >> (INTBITS - 8); | |
962 | within = c & 0177; | |
963 | } | |
964 | if (!(within >= font->min_char_or_byte2 | |
965 | && within <= font->max_char_or_byte2 | |
966 | && row >= font->min_byte1 | |
967 | && row <= font->max_byte1)) | |
968 | /* Still out of range means this char does not overlap. */ | |
969 | return 0; | |
970 | else | |
971 | /* We found the info for this char. */ | |
972 | s = (font->per_char + (within - font->min_char_or_byte2) | |
973 | + row * rowlen); | |
974 | } | |
dbc4e1c1 | 975 | |
0cdd0c9f RS |
976 | return (s && s->lbearing < 0); |
977 | } | |
dbc4e1c1 | 978 | |
0cdd0c9f RS |
979 | /* Return 1 if character C in font F extends past its right edge. */ |
980 | ||
981 | static int | |
982 | font_char_overlap_right (font, c) | |
983 | XFontStruct *font; | |
984 | int c; | |
985 | { | |
986 | XCharStruct *s; | |
987 | ||
988 | /* Find the bounding-box info for C. */ | |
989 | if (font->per_char == 0) | |
990 | s = &font->max_bounds; | |
991 | else | |
992 | { | |
993 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
994 | int row, within; | |
58769bee | 995 | |
0cdd0c9f RS |
996 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
997 | row = c >> 8; | |
998 | within = c & 0177; | |
999 | if (!(within >= font->min_char_or_byte2 | |
1000 | && within <= font->max_char_or_byte2 | |
1001 | && row >= font->min_byte1 | |
1002 | && row <= font->max_byte1)) | |
1003 | { | |
1004 | /* If char is out of range, try the font's default char instead. */ | |
1005 | c = font->default_char; | |
1006 | row = c >> (INTBITS - 8); | |
1007 | within = c & 0177; | |
1008 | } | |
1009 | if (!(within >= font->min_char_or_byte2 | |
1010 | && within <= font->max_char_or_byte2 | |
1011 | && row >= font->min_byte1 | |
1012 | && row <= font->max_byte1)) | |
1013 | /* Still out of range means this char does not overlap. */ | |
1014 | return 0; | |
1015 | else | |
1016 | /* We found the info for this char. */ | |
1017 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1018 | + row * rowlen); | |
1019 | } | |
1020 | ||
1021 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1022 | } |
0cdd0c9f | 1023 | #endif /* 0 */ |
dc6f92b8 | 1024 | \f |
dbc4e1c1 JB |
1025 | /* Invert the middle quarter of the frame for .15 sec. */ |
1026 | ||
1027 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1028 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1029 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1030 | ||
1031 | /* Subtract the `struct timeval' values X and Y, | |
1032 | storing the result in RESULT. | |
1033 | Return 1 if the difference is negative, otherwise 0. */ | |
1034 | ||
1035 | static int | |
1036 | timeval_subtract (result, x, y) | |
1037 | struct timeval *result, x, y; | |
1038 | { | |
1039 | /* Perform the carry for the later subtraction by updating y. | |
1040 | This is safer because on some systems | |
1041 | the tv_sec member is unsigned. */ | |
1042 | if (x.tv_usec < y.tv_usec) | |
1043 | { | |
1044 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1045 | y.tv_usec -= 1000000 * nsec; | |
1046 | y.tv_sec += nsec; | |
1047 | } | |
1048 | if (x.tv_usec - y.tv_usec > 1000000) | |
1049 | { | |
1050 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1051 | y.tv_usec += 1000000 * nsec; | |
1052 | y.tv_sec -= nsec; | |
1053 | } | |
1054 | ||
1055 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1056 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1057 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1058 | ||
1059 | /* Return indication of whether the result should be considered negative. */ | |
1060 | return x.tv_sec < y.tv_sec; | |
1061 | } | |
dc6f92b8 | 1062 | |
f676886a JB |
1063 | XTflash (f) |
1064 | struct frame *f; | |
dc6f92b8 | 1065 | { |
dbc4e1c1 | 1066 | BLOCK_INPUT; |
dc6f92b8 | 1067 | |
dbc4e1c1 JB |
1068 | { |
1069 | GC gc; | |
dc6f92b8 | 1070 | |
dbc4e1c1 JB |
1071 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1072 | into background pixels. */ | |
1073 | { | |
1074 | XGCValues values; | |
dc6f92b8 | 1075 | |
dbc4e1c1 JB |
1076 | values.function = GXxor; |
1077 | values.foreground = (f->display.x->foreground_pixel | |
1078 | ^ f->display.x->background_pixel); | |
58769bee | 1079 | |
334208b7 | 1080 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
1081 | GCFunction | GCForeground, &values); |
1082 | } | |
dc6f92b8 | 1083 | |
dbc4e1c1 JB |
1084 | { |
1085 | int width = PIXEL_WIDTH (f); | |
1086 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1087 | |
334208b7 | 1088 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1089 | width/4, height/4, width/2, height/2); |
334208b7 | 1090 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 1091 | |
dbc4e1c1 JB |
1092 | { |
1093 | struct timeval wakeup, now; | |
dc6f92b8 | 1094 | |
66c30ea1 | 1095 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1096 | |
dbc4e1c1 JB |
1097 | /* Compute time to wait until, propagating carry from usecs. */ |
1098 | wakeup.tv_usec += 150000; | |
1099 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1100 | wakeup.tv_usec %= 1000000; | |
1101 | ||
1102 | /* Keep waiting until past the time wakeup. */ | |
1103 | while (1) | |
1104 | { | |
1105 | struct timeval timeout; | |
1106 | ||
66c30ea1 | 1107 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1108 | |
1109 | /* In effect, timeout = wakeup - timeout. | |
1110 | Break if result would be negative. */ | |
1111 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1112 | break; | |
1113 | ||
1114 | /* Try to wait that long--but we might wake up sooner. */ | |
1115 | select (0, 0, 0, 0, &timeout); | |
1116 | } | |
1117 | } | |
58769bee | 1118 | |
334208b7 | 1119 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1120 | width/4, height/4, width/2, height/2); |
334208b7 RS |
1121 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
1122 | XFlush (FRAME_X_DISPLAY (f)); | |
dc6f92b8 | 1123 | } |
dbc4e1c1 JB |
1124 | } |
1125 | ||
1126 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1127 | } |
1128 | ||
dbc4e1c1 JB |
1129 | #endif |
1130 | ||
1131 | ||
dc6f92b8 JB |
1132 | /* Make audible bell. */ |
1133 | ||
334208b7 | 1134 | #define XRINGBELL XBell (FRAME_X_DISPLAY (selected_frame), 0) |
dc6f92b8 JB |
1135 | |
1136 | XTring_bell () | |
1137 | { | |
334208b7 | 1138 | if (FRAME_X_DISPLAY (selected_frame) == 0) |
5a6ef893 RS |
1139 | return; |
1140 | ||
dbc4e1c1 | 1141 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1142 | if (visible_bell) |
f676886a | 1143 | XTflash (selected_frame); |
dc6f92b8 | 1144 | else |
dbc4e1c1 | 1145 | #endif |
dc6f92b8 JB |
1146 | { |
1147 | BLOCK_INPUT; | |
1148 | XRINGBELL; | |
334208b7 | 1149 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
1150 | UNBLOCK_INPUT; |
1151 | } | |
1152 | } | |
1153 | \f | |
f451eb13 JB |
1154 | /* Insert and delete character. |
1155 | These are not supposed to be used because we are supposed to turn | |
1156 | off the feature of using them. */ | |
dc6f92b8 | 1157 | |
58769bee | 1158 | static |
dc6f92b8 JB |
1159 | XTinsert_glyphs (start, len) |
1160 | register char *start; | |
1161 | register int len; | |
1162 | { | |
1163 | abort (); | |
1164 | } | |
1165 | ||
58769bee | 1166 | static |
dc6f92b8 JB |
1167 | XTdelete_glyphs (n) |
1168 | register int n; | |
1169 | { | |
1170 | abort (); | |
1171 | } | |
1172 | \f | |
1173 | /* Specify how many text lines, from the top of the window, | |
1174 | should be affected by insert-lines and delete-lines operations. | |
1175 | This, and those operations, are used only within an update | |
1176 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1177 | ||
1178 | static | |
1179 | XTset_terminal_window (n) | |
1180 | register int n; | |
1181 | { | |
f676886a | 1182 | if (updating_frame == 0) |
dc6f92b8 JB |
1183 | abort (); |
1184 | ||
f676886a JB |
1185 | if ((n <= 0) || (n > updating_frame->height)) |
1186 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1187 | else |
1188 | flexlines = n; | |
1189 | } | |
1190 | \f | |
7a13e894 RS |
1191 | /* These variables need not be per frame |
1192 | because redisplay is done on a frame-by-frame basis | |
1193 | and the line dance for one frame is finished before | |
1194 | anything is done for anoter frame. */ | |
1195 | ||
58769bee KH |
1196 | /* Array of line numbers from cached insert/delete operations. |
1197 | line_dance[i] is the old position of the line that we want | |
1198 | to move to line i, or -1 if we want a blank line there. */ | |
1199 | static int *line_dance; | |
dc6f92b8 | 1200 | |
58769bee KH |
1201 | /* Allocated length of that array. */ |
1202 | static int line_dance_len; | |
dc6f92b8 | 1203 | |
58769bee KH |
1204 | /* Flag indicating whether we've done any work. */ |
1205 | static int line_dance_in_progress; | |
dc6f92b8 | 1206 | |
58769bee KH |
1207 | /* Perform an insert-lines or delete-lines operation, |
1208 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1209 | XTins_del_lines (vpos, n) | |
1210 | int vpos, n; | |
dc6f92b8 | 1211 | { |
58769bee | 1212 | register int fence, i; |
dc6f92b8 | 1213 | |
58769bee | 1214 | if (vpos >= flexlines) |
dc6f92b8 JB |
1215 | return; |
1216 | ||
58769bee | 1217 | if (!line_dance_in_progress) |
dc6f92b8 | 1218 | { |
58769bee KH |
1219 | int ht = updating_frame->height; |
1220 | if (ht > line_dance_len) | |
1221 | { | |
1222 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); | |
1223 | line_dance_len = ht; | |
1224 | } | |
1225 | for (i = 0; i < ht; ++i) line_dance[i] = i; | |
1226 | line_dance_in_progress = 1; | |
1227 | } | |
1228 | if (n >= 0) | |
1229 | { | |
1230 | if (n > flexlines - vpos) | |
1231 | n = flexlines - vpos; | |
1232 | fence = vpos + n; | |
1233 | for (i = flexlines; --i >= fence;) | |
1234 | line_dance[i] = line_dance[i-n]; | |
1235 | for (i = fence; --i >= vpos;) | |
1236 | line_dance[i] = -1; | |
dc6f92b8 JB |
1237 | } |
1238 | else | |
1239 | { | |
58769bee KH |
1240 | n = -n; |
1241 | if (n > flexlines - vpos) | |
1242 | n = flexlines - vpos; | |
1243 | fence = flexlines - n; | |
1244 | for (i = vpos; i < fence; ++i) | |
1245 | line_dance[i] = line_dance[i + n]; | |
1246 | for (i = fence; i < flexlines; ++i) | |
1247 | line_dance[i] = -1; | |
dc6f92b8 JB |
1248 | } |
1249 | } | |
1250 | ||
58769bee KH |
1251 | /* Here's where we actually move the pixels around. |
1252 | Must be called with input blocked. */ | |
1253 | static void | |
1254 | do_line_dance () | |
dc6f92b8 | 1255 | { |
58769bee KH |
1256 | register int i, j, distance; |
1257 | register struct frame *f; | |
1258 | int ht; | |
1259 | int intborder; | |
1260 | ||
1261 | /* Must check this flag first. If it's not set, then not only is the | |
1262 | array uninitialized, but we might not even have a frame. */ | |
1263 | if (!line_dance_in_progress) | |
1264 | return; | |
1265 | ||
1266 | f = updating_frame; | |
1267 | if (f == 0) | |
dc6f92b8 JB |
1268 | abort (); |
1269 | ||
58769bee KH |
1270 | ht = f->height; |
1271 | intborder = f->display.x->internal_border_width; | |
1272 | ||
f676886a | 1273 | x_display_cursor (updating_frame, 0); |
dc6f92b8 | 1274 | |
58769bee KH |
1275 | for (i = 0; i < ht; ++i) |
1276 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) | |
1277 | { | |
1278 | for (j = i; (j < ht && line_dance[j] != -1 | |
1279 | && line_dance[j]-j == distance); ++j); | |
1280 | /* Copy [i,j) upward from [i+distance,j+distance) */ | |
334208b7 | 1281 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1282 | FRAME_X_WINDOW (f), f->display.x->normal_gc, |
1283 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), | |
1284 | f->width * FONT_WIDTH (f->display.x->font), | |
1285 | (j-i) * f->display.x->line_height, | |
1286 | intborder, CHAR_TO_PIXEL_ROW (f, i)); | |
1287 | i = j-1; | |
1288 | } | |
dc6f92b8 | 1289 | |
58769bee KH |
1290 | for (i = ht; --i >=0; ) |
1291 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) | |
1292 | { | |
1293 | for (j = i; (--j >= 0 && line_dance[j] != -1 | |
0ccf5d73 | 1294 | && line_dance[j]-j == distance);); |
58769bee | 1295 | /* Copy (j,i] downward from (j+distance, i+distance] */ |
334208b7 | 1296 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1297 | FRAME_X_WINDOW (f), f->display.x->normal_gc, |
1298 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), | |
1299 | f->width * FONT_WIDTH (f->display.x->font), | |
1300 | (i-j) * f->display.x->line_height, | |
1301 | intborder, CHAR_TO_PIXEL_ROW (f, j+1)); | |
1302 | i = j+1; | |
1303 | } | |
1304 | ||
1305 | for (i = 0; i < ht; ++i) | |
1306 | if (line_dance[i] == -1) | |
1307 | { | |
1308 | for (j = i; j < ht && line_dance[j] == -1; ++j); | |
1309 | /* Clear [i,j) */ | |
334208b7 | 1310 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1311 | intborder, CHAR_TO_PIXEL_ROW (f, i), |
1312 | f->width * FONT_WIDTH (f->display.x->font), | |
1313 | (j-i) * f->display.x->line_height, False); | |
1314 | i = j-1; | |
1315 | } | |
1316 | line_dance_in_progress = 0; | |
dc6f92b8 JB |
1317 | } |
1318 | \f | |
f451eb13 | 1319 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1320 | static void clear_cursor (); |
1321 | ||
f676886a JB |
1322 | /* Output into a rectangle of an X-window (for frame F) |
1323 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1324 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1325 | ROWS and COLS are the size of the rectangle. |
1326 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1327 | |
1328 | static void | |
f676886a JB |
1329 | dumprectangle (f, left, top, cols, rows) |
1330 | struct frame *f; | |
dc6f92b8 JB |
1331 | register int left, top, cols, rows; |
1332 | { | |
f676886a | 1333 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1334 | int cursor_cleared = 0; |
1335 | int bottom, right; | |
1336 | register int y; | |
1337 | ||
f676886a | 1338 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1339 | return; |
1340 | ||
dc6f92b8 JB |
1341 | /* Express rectangle as four edges, instead of position-and-size. */ |
1342 | bottom = top + rows; | |
1343 | right = left + cols; | |
58769bee | 1344 | |
dc6f92b8 JB |
1345 | /* Convert rectangle edges in pixels to edges in chars. |
1346 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1347 | top = PIXEL_TO_CHAR_ROW (f, top); |
1348 | left = PIXEL_TO_CHAR_COL (f, left); | |
a27f9f86 | 1349 | bottom += (f->display.x->line_height - 1); |
f676886a | 1350 | right += (FONT_WIDTH (f->display.x->font) - 1); |
12ba150f JB |
1351 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1352 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1353 | |
1354 | /* Clip the rectangle to what can be visible. */ | |
1355 | if (left < 0) | |
1356 | left = 0; | |
1357 | if (top < 0) | |
1358 | top = 0; | |
f676886a JB |
1359 | if (right > f->width) |
1360 | right = f->width; | |
1361 | if (bottom > f->height) | |
1362 | bottom = f->height; | |
dc6f92b8 JB |
1363 | |
1364 | /* Get size in chars of the rectangle. */ | |
1365 | cols = right - left; | |
1366 | rows = bottom - top; | |
1367 | ||
1368 | /* If rectangle has zero area, return. */ | |
1369 | if (rows <= 0) return; | |
1370 | if (cols <= 0) return; | |
1371 | ||
1372 | /* Turn off the cursor if it is in the rectangle. | |
1373 | We will turn it back on afterward. */ | |
f676886a JB |
1374 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1375 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1376 | { |
f676886a | 1377 | clear_cursor (f); |
dc6f92b8 JB |
1378 | cursor_cleared = 1; |
1379 | } | |
1380 | ||
1381 | /* Display the text in the rectangle, one text line at a time. */ | |
1382 | ||
1383 | for (y = top; y < bottom; y++) | |
1384 | { | |
f676886a | 1385 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1386 | |
f676886a | 1387 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1388 | continue; |
1389 | ||
f676886a | 1390 | dumpglyphs (f, |
12ba150f JB |
1391 | CHAR_TO_PIXEL_COL (f, left), |
1392 | CHAR_TO_PIXEL_ROW (f, y), | |
1393 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1394 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1395 | } |
1396 | ||
1397 | /* Turn the cursor on if we turned it off. */ | |
1398 | ||
1399 | if (cursor_cleared) | |
f676886a | 1400 | x_display_cursor (f, 1); |
dc6f92b8 | 1401 | } |
dc6f92b8 | 1402 | \f |
dc6f92b8 | 1403 | static void |
334208b7 RS |
1404 | frame_highlight (f) |
1405 | struct frame *f; | |
dc6f92b8 | 1406 | { |
b3e1e05c JB |
1407 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1408 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1409 | and border pixel are window attributes which are "private to the | |
1410 | client", so we can always change it to whatever we want. */ | |
1411 | BLOCK_INPUT; | |
334208b7 RS |
1412 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1413 | f->display.x->border_pixel); | |
b3e1e05c | 1414 | UNBLOCK_INPUT; |
334208b7 | 1415 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1416 | } |
1417 | ||
1418 | static void | |
334208b7 RS |
1419 | frame_unhighlight (f) |
1420 | struct frame *f; | |
dc6f92b8 | 1421 | { |
b3e1e05c JB |
1422 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1423 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1424 | and border pixel are window attributes which are "private to the | |
1425 | client", so we can always change it to whatever we want. */ | |
1426 | BLOCK_INPUT; | |
334208b7 RS |
1427 | XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1428 | f->display.x->border_tile); | |
b3e1e05c | 1429 | UNBLOCK_INPUT; |
334208b7 | 1430 | x_display_cursor (f, 1); |
dc6f92b8 | 1431 | } |
dc6f92b8 | 1432 | |
f676886a | 1433 | static void XTframe_rehighlight (); |
6d4238f3 | 1434 | |
f676886a JB |
1435 | /* The focus has changed. Update the frames as necessary to reflect |
1436 | the new situation. Note that we can't change the selected frame | |
c5acd733 | 1437 | here, because the Lisp code we are interrupting might become confused. |
eb8c3be9 | 1438 | Each event gets marked with the frame in which it occurred, so the |
c5acd733 | 1439 | Lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1440 | |
6d4238f3 | 1441 | static void |
f676886a JB |
1442 | x_new_focus_frame (frame) |
1443 | struct frame *frame; | |
dc6f92b8 | 1444 | { |
f676886a | 1445 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1446 | int events_enqueued = 0; |
1447 | ||
f676886a | 1448 | if (frame != x_focus_frame) |
dc6f92b8 | 1449 | { |
58769bee | 1450 | /* Set this before calling other routines, so that they see |
f676886a JB |
1451 | the correct value of x_focus_frame. */ |
1452 | x_focus_frame = frame; | |
6d4238f3 JB |
1453 | |
1454 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1455 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1456 | |
1457 | #if 0 | |
f676886a | 1458 | selected_frame = frame; |
e0c1aef2 KH |
1459 | XSETFRAME (XWINDOW (selected_frame->selected_window)->frame, |
1460 | selected_frame); | |
f676886a JB |
1461 | Fselect_window (selected_frame->selected_window); |
1462 | choose_minibuf_frame (); | |
c118dd06 | 1463 | #endif /* ! 0 */ |
dc6f92b8 | 1464 | |
f676886a | 1465 | if (x_focus_frame && x_focus_frame->auto_raise) |
0134a210 RS |
1466 | pending_autoraise_frame = x_focus_frame; |
1467 | else | |
1468 | pending_autoraise_frame = 0; | |
6d4238f3 | 1469 | } |
dc6f92b8 | 1470 | |
f676886a | 1471 | XTframe_rehighlight (); |
6d4238f3 JB |
1472 | } |
1473 | ||
37c2c98b RS |
1474 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ |
1475 | ||
1476 | void | |
1477 | x_mouse_leave () | |
1478 | { | |
1479 | if (! x_focus_event_frame) | |
1480 | x_new_focus_frame (NULL); | |
1481 | else | |
1482 | x_new_focus_frame (x_focus_event_frame); /* Was f, but that seems wrong. */ | |
1483 | } | |
6d4238f3 | 1484 | |
f451eb13 JB |
1485 | /* The focus has changed, or we have redirected a frame's focus to |
1486 | another frame (this happens when a frame uses a surrogate | |
1487 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1488 | static void |
f676886a | 1489 | XTframe_rehighlight () |
6d4238f3 | 1490 | { |
f676886a | 1491 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1492 | |
f676886a | 1493 | if (x_focus_frame) |
6d4238f3 | 1494 | { |
0299d313 RS |
1495 | x_highlight_frame |
1496 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (x_focus_frame))) | |
1497 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) | |
1498 | : x_focus_frame); | |
f451eb13 JB |
1499 | if (! FRAME_LIVE_P (x_highlight_frame)) |
1500 | { | |
1501 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1502 | x_highlight_frame = x_focus_frame; | |
1503 | } | |
dc6f92b8 | 1504 | } |
6d4238f3 | 1505 | else |
f676886a | 1506 | x_highlight_frame = 0; |
dc6f92b8 | 1507 | |
f676886a | 1508 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1509 | { |
1510 | if (old_highlight) | |
f676886a JB |
1511 | frame_unhighlight (old_highlight); |
1512 | if (x_highlight_frame) | |
1513 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1514 | } |
dc6f92b8 JB |
1515 | } |
1516 | \f | |
e4571a43 | 1517 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1518 | |
28430d3c JB |
1519 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1520 | static void | |
334208b7 RS |
1521 | x_find_modifier_meanings (dpyinfo) |
1522 | struct x_display_info *dpyinfo; | |
28430d3c | 1523 | { |
f689eb05 | 1524 | int min_code, max_code; |
28430d3c JB |
1525 | KeySym *syms; |
1526 | int syms_per_code; | |
1527 | XModifierKeymap *mods; | |
1528 | ||
334208b7 RS |
1529 | dpyinfo->meta_mod_mask = 0; |
1530 | dpyinfo->shift_lock_mask = 0; | |
1531 | dpyinfo->alt_mod_mask = 0; | |
1532 | dpyinfo->super_mod_mask = 0; | |
1533 | dpyinfo->hyper_mod_mask = 0; | |
58769bee | 1534 | |
9658a521 | 1535 | #ifdef HAVE_X11R4 |
334208b7 | 1536 | XDisplayKeycodes (dpyinfo->display, &min_code, &max_code); |
9658a521 | 1537 | #else |
334208b7 RS |
1538 | min_code = display->min_keycode; |
1539 | max_code = display->max_keycode; | |
9658a521 JB |
1540 | #endif |
1541 | ||
334208b7 | 1542 | syms = XGetKeyboardMapping (dpyinfo->display, |
28430d3c JB |
1543 | min_code, max_code - min_code + 1, |
1544 | &syms_per_code); | |
334208b7 | 1545 | mods = XGetModifierMapping (dpyinfo->display); |
28430d3c | 1546 | |
58769bee | 1547 | /* Scan the modifier table to see which modifier bits the Meta and |
11edeb03 | 1548 | Alt keysyms are on. */ |
28430d3c JB |
1549 | { |
1550 | int row, col; /* The row and column in the modifier table. */ | |
1551 | ||
1552 | for (row = 3; row < 8; row++) | |
1553 | for (col = 0; col < mods->max_keypermod; col++) | |
1554 | { | |
0299d313 RS |
1555 | KeyCode code |
1556 | = mods->modifiermap[(row * mods->max_keypermod) + col]; | |
28430d3c | 1557 | |
af92970c KH |
1558 | /* Zeroes are used for filler. Skip them. */ |
1559 | if (code == 0) | |
1560 | continue; | |
1561 | ||
28430d3c JB |
1562 | /* Are any of this keycode's keysyms a meta key? */ |
1563 | { | |
1564 | int code_col; | |
1565 | ||
1566 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1567 | { | |
f689eb05 | 1568 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1569 | |
f689eb05 | 1570 | switch (sym) |
28430d3c | 1571 | { |
f689eb05 JB |
1572 | case XK_Meta_L: |
1573 | case XK_Meta_R: | |
334208b7 | 1574 | dpyinfo->meta_mod_mask |= (1 << row); |
28430d3c | 1575 | break; |
f689eb05 JB |
1576 | |
1577 | case XK_Alt_L: | |
1578 | case XK_Alt_R: | |
334208b7 | 1579 | dpyinfo->alt_mod_mask |= (1 << row); |
a3c44b14 RS |
1580 | break; |
1581 | ||
1582 | case XK_Hyper_L: | |
1583 | case XK_Hyper_R: | |
334208b7 | 1584 | dpyinfo->hyper_mod_mask |= (1 << row); |
a3c44b14 RS |
1585 | break; |
1586 | ||
1587 | case XK_Super_L: | |
1588 | case XK_Super_R: | |
334208b7 | 1589 | dpyinfo->super_mod_mask |= (1 << row); |
f689eb05 | 1590 | break; |
11edeb03 JB |
1591 | |
1592 | case XK_Shift_Lock: | |
1593 | /* Ignore this if it's not on the lock modifier. */ | |
1594 | if ((1 << row) == LockMask) | |
334208b7 | 1595 | dpyinfo->shift_lock_mask = LockMask; |
11edeb03 | 1596 | break; |
28430d3c JB |
1597 | } |
1598 | } | |
1599 | } | |
1600 | } | |
1601 | } | |
1602 | ||
f689eb05 | 1603 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
334208b7 | 1604 | if (! dpyinfo->meta_mod_mask) |
a3c44b14 | 1605 | { |
334208b7 RS |
1606 | dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask; |
1607 | dpyinfo->alt_mod_mask = 0; | |
a3c44b14 | 1608 | } |
f689eb05 | 1609 | |
148c4b70 RS |
1610 | /* If some keys are both alt and meta, |
1611 | make them just meta, not alt. */ | |
334208b7 | 1612 | if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask) |
148c4b70 | 1613 | { |
334208b7 | 1614 | dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask; |
148c4b70 | 1615 | } |
58769bee | 1616 | |
28430d3c | 1617 | XFree ((char *) syms); |
f689eb05 | 1618 | XFreeModifiermap (mods); |
28430d3c JB |
1619 | } |
1620 | ||
dfeccd2d JB |
1621 | /* Convert between the modifier bits X uses and the modifier bits |
1622 | Emacs uses. */ | |
7c5283e4 | 1623 | static unsigned int |
334208b7 RS |
1624 | x_x_to_emacs_modifiers (dpyinfo, state) |
1625 | struct x_display_info *dpyinfo; | |
dc6f92b8 JB |
1626 | unsigned int state; |
1627 | { | |
334208b7 RS |
1628 | return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0) |
1629 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
1630 | | ((state & dpyinfo->meta_mod_mask) ? meta_modifier : 0) | |
1631 | | ((state & dpyinfo->alt_mod_mask) ? alt_modifier : 0) | |
1632 | | ((state & dpyinfo->super_mod_mask) ? super_modifier : 0) | |
1633 | | ((state & dpyinfo->hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1634 | } |
1635 | ||
dfeccd2d | 1636 | static unsigned int |
334208b7 RS |
1637 | x_emacs_to_x_modifiers (dpyinfo, state) |
1638 | struct x_display_info *dpyinfo; | |
dfeccd2d JB |
1639 | unsigned int state; |
1640 | { | |
334208b7 RS |
1641 | return ( ((state & alt_modifier) ? dpyinfo->alt_mod_mask : 0) |
1642 | | ((state & super_modifier) ? dpyinfo->super_mod_mask : 0) | |
1643 | | ((state & hyper_modifier) ? dpyinfo->hyper_mod_mask : 0) | |
1644 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1645 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1646 | | ((state & meta_modifier) ? dpyinfo->meta_mod_mask : 0)); | |
dfeccd2d | 1647 | } |
e4571a43 JB |
1648 | \f |
1649 | /* Mouse clicks and mouse movement. Rah. */ | |
e4571a43 JB |
1650 | |
1651 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1652 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1653 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1654 | If NOCLIP is nonzero, do not force the value into range. */ | |
1655 | ||
c8dba240 | 1656 | void |
69388238 | 1657 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1658 | FRAME_PTR f; |
69388238 | 1659 | register int pix_x, pix_y; |
e4571a43 JB |
1660 | register int *x, *y; |
1661 | XRectangle *bounds; | |
69388238 | 1662 | int noclip; |
e4571a43 | 1663 | { |
69388238 RS |
1664 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1665 | even for negative values. */ | |
1666 | if (pix_x < 0) | |
1667 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1668 | if (pix_y < 0) | |
a27f9f86 | 1669 | pix_y -= (f)->display.x->line_height - 1; |
69388238 | 1670 | |
e4571a43 JB |
1671 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1672 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1673 | ||
1674 | if (bounds) | |
1675 | { | |
1676 | bounds->width = FONT_WIDTH (f->display.x->font); | |
a27f9f86 | 1677 | bounds->height = f->display.x->line_height; |
e4571a43 JB |
1678 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1679 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1680 | } | |
1681 | ||
69388238 RS |
1682 | if (!noclip) |
1683 | { | |
1684 | if (pix_x < 0) | |
1685 | pix_x = 0; | |
1686 | else if (pix_x > f->width) | |
1687 | pix_x = f->width; | |
1688 | ||
1689 | if (pix_y < 0) | |
1690 | pix_y = 0; | |
1691 | else if (pix_y > f->height) | |
1692 | pix_y = f->height; | |
1693 | } | |
e4571a43 JB |
1694 | |
1695 | *x = pix_x; | |
1696 | *y = pix_y; | |
1697 | } | |
1698 | ||
2b5c9e71 RS |
1699 | void |
1700 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1701 | FRAME_PTR f; | |
1702 | register int x, y; | |
1703 | register int *pix_x, *pix_y; | |
1704 | { | |
1705 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1706 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1707 | } | |
1708 | ||
dc6f92b8 JB |
1709 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1710 | ||
1711 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1712 | the mouse. */ |
dc6f92b8 JB |
1713 | |
1714 | static Lisp_Object | |
f451eb13 | 1715 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1716 | struct input_event *result; |
1717 | XButtonEvent *event; | |
f676886a | 1718 | struct frame *f; |
dc6f92b8 | 1719 | { |
f451eb13 | 1720 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1721 | otherwise. */ |
f451eb13 | 1722 | result->kind = mouse_click; |
69388238 | 1723 | result->code = event->button - Button1; |
1113d9db | 1724 | result->timestamp = event->time; |
334208b7 RS |
1725 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1726 | event->state) | |
f689eb05 | 1727 | | (event->type == ButtonRelease |
58769bee | 1728 | ? up_modifier |
f689eb05 | 1729 | : down_modifier)); |
dc6f92b8 | 1730 | |
f451eb13 JB |
1731 | { |
1732 | int row, column; | |
dc6f92b8 | 1733 | |
2b5c9e71 | 1734 | #if 0 |
69388238 | 1735 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
90e1eb6f KH |
1736 | XSETFASTINT (result->x, column); |
1737 | XSETFASTINT (result->y, row); | |
2b5c9e71 | 1738 | #endif |
e0c1aef2 KH |
1739 | XSETINT (result->x, event->x); |
1740 | XSETINT (result->y, event->y); | |
1741 | XSETFRAME (result->frame_or_window, f); | |
f451eb13 | 1742 | } |
dc6f92b8 | 1743 | } |
b849c413 RS |
1744 | |
1745 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
1746 | ||
1747 | static Lisp_Object | |
1748 | construct_menu_click (result, event, f) | |
1749 | struct input_event *result; | |
1750 | XButtonEvent *event; | |
1751 | struct frame *f; | |
1752 | { | |
1753 | /* Make the event type no_event; we'll change that when we decide | |
1754 | otherwise. */ | |
1755 | result->kind = mouse_click; | |
e0c1aef2 | 1756 | XSETINT (result->code, event->button - Button1); |
b849c413 | 1757 | result->timestamp = event->time; |
334208b7 RS |
1758 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1759 | event->state) | |
b849c413 | 1760 | | (event->type == ButtonRelease |
58769bee | 1761 | ? up_modifier |
b849c413 RS |
1762 | : down_modifier)); |
1763 | ||
e0c1aef2 KH |
1764 | XSETINT (result->x, event->x); |
1765 | XSETINT (result->y, -1); | |
1766 | XSETFRAME (result->frame_or_window, f); | |
b849c413 | 1767 | } |
69388238 | 1768 | \f |
90e65f07 JB |
1769 | /* Function to report a mouse movement to the mainstream Emacs code. |
1770 | The input handler calls this. | |
1771 | ||
1772 | We have received a mouse movement event, which is given in *event. | |
1773 | If the mouse is over a different glyph than it was last time, tell | |
1774 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1775 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 1776 | |
90e65f07 | 1777 | static void |
12ba150f | 1778 | note_mouse_movement (frame, event) |
f676886a | 1779 | FRAME_PTR frame; |
90e65f07 JB |
1780 | XMotionEvent *event; |
1781 | ||
1782 | { | |
e5d77022 JB |
1783 | last_mouse_movement_time = event->time; |
1784 | ||
27f338af RS |
1785 | if (event->window != FRAME_X_WINDOW (frame)) |
1786 | { | |
1787 | mouse_moved = 1; | |
1788 | last_mouse_scroll_bar = Qnil; | |
1789 | ||
1790 | note_mouse_highlight (frame, -1, -1); | |
1791 | ||
1792 | /* Ask for another mouse motion event. */ | |
1793 | { | |
1794 | int dummy; | |
847e150a | 1795 | Window dummy_window; |
27f338af RS |
1796 | |
1797 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), | |
847e150a | 1798 | &dummy_window, &dummy_window, |
27f338af RS |
1799 | &dummy, &dummy, &dummy, &dummy, |
1800 | (unsigned int *) &dummy); | |
1801 | } | |
1802 | } | |
1803 | ||
90e65f07 | 1804 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
1805 | else if (event->x < last_mouse_glyph.x |
1806 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1807 | || event->y < last_mouse_glyph.y | |
1808 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1809 | { |
1810 | mouse_moved = 1; | |
ab648270 | 1811 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
1812 | |
1813 | note_mouse_highlight (frame, event->x, event->y); | |
1814 | ||
1815 | /* Ask for another mouse motion event. */ | |
1816 | { | |
1817 | int dummy; | |
847e150a | 1818 | Window dummy_window; |
b8009dd1 | 1819 | |
27f338af | 1820 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1821 | &dummy_window, &dummy_window, |
b8009dd1 RS |
1822 | &dummy, &dummy, &dummy, &dummy, |
1823 | (unsigned int *) &dummy); | |
1824 | } | |
12ba150f | 1825 | } |
90e65f07 JB |
1826 | else |
1827 | { | |
1828 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1829 | event the next time the mouse moves and we can see if it's | |
1830 | *still* on the same glyph. */ | |
1831 | int dummy; | |
847e150a | 1832 | Window dummy_window; |
58769bee | 1833 | |
27f338af | 1834 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1835 | &dummy_window, &dummy_window, |
90e65f07 JB |
1836 | &dummy, &dummy, &dummy, &dummy, |
1837 | (unsigned int *) &dummy); | |
1838 | } | |
1839 | } | |
1840 | ||
bf1c0ba1 RS |
1841 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
1842 | static int disable_mouse_highlight; | |
1843 | ||
b8009dd1 RS |
1844 | /* Take proper action when the mouse has moved to position X, Y on frame F |
1845 | as regards highlighting characters that have mouse-face properties. | |
27f338af RS |
1846 | Also dehighlighting chars where the mouse was before. |
1847 | X and Y can be negative or out of range. */ | |
b8009dd1 RS |
1848 | |
1849 | static void | |
1850 | note_mouse_highlight (f, x, y) | |
1851 | FRAME_PTR f; | |
1852 | { | |
1853 | int row, column, portion; | |
1854 | XRectangle new_glyph; | |
1855 | Lisp_Object window; | |
1856 | struct window *w; | |
1857 | ||
bf1c0ba1 RS |
1858 | if (disable_mouse_highlight) |
1859 | return; | |
1860 | ||
7a13e894 RS |
1861 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x = x; |
1862 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y = y; | |
1863 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame = f; | |
b8009dd1 | 1864 | |
7a13e894 | 1865 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_defer) |
b8009dd1 RS |
1866 | return; |
1867 | ||
514e4681 RS |
1868 | if (gc_in_progress) |
1869 | { | |
7a13e894 | 1870 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 1; |
514e4681 RS |
1871 | return; |
1872 | } | |
1873 | ||
b8009dd1 RS |
1874 | /* Find out which glyph the mouse is on. */ |
1875 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
334208b7 | 1876 | &new_glyph, FRAME_X_DISPLAY_INFO (f)->grabbed); |
b8009dd1 RS |
1877 | |
1878 | /* Which window is that in? */ | |
1879 | window = window_from_coordinates (f, column, row, &portion); | |
1880 | w = XWINDOW (window); | |
1881 | ||
1882 | /* If we were displaying active text in another window, clear that. */ | |
7a13e894 RS |
1883 | if (! EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) |
1884 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); | |
b8009dd1 | 1885 | |
0cdd0c9f RS |
1886 | /* Are we in a window whose display is up to date? |
1887 | And verify the buffer's text has not changed. */ | |
27f338af RS |
1888 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
1889 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
0cdd0c9f RS |
1890 | && EQ (w->window_end_valid, w->buffer) |
1891 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
1892 | { |
1893 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
1894 | int i, pos; | |
1895 | ||
1896 | /* Find which buffer position the mouse corresponds to. */ | |
1897 | for (i = column; i >= 0; i--) | |
1898 | if (ptr[i] > 0) | |
1899 | break; | |
1900 | pos = ptr[i]; | |
1901 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 | 1902 | if (pos <= 0) |
7a13e894 RS |
1903 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
1904 | else if (! (EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window) | |
1905 | && row >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1906 | && row <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1907 | && (row > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1908 | || column >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col) | |
1909 | && (row < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1910 | || column < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
1911 | || FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end))) | |
b8009dd1 RS |
1912 | { |
1913 | Lisp_Object mouse_face, overlay, position; | |
1914 | Lisp_Object *overlay_vec; | |
1915 | int len, noverlays, ignor1; | |
f8bdb8e6 | 1916 | struct buffer *obuf; |
e444162e | 1917 | int obegv, ozv; |
f8bdb8e6 | 1918 | |
e444162e RS |
1919 | /* If we get an out-of-range value, return now; avoid an error. */ |
1920 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 1921 | return; |
b8009dd1 | 1922 | |
09fe4c31 RS |
1923 | /* Make the window's buffer temporarily current for |
1924 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 1925 | obuf = current_buffer; |
09fe4c31 | 1926 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
1927 | obegv = BEGV; |
1928 | ozv = ZV; | |
1929 | BEGV = BEG; | |
1930 | ZV = Z; | |
09fe4c31 | 1931 | |
b8009dd1 | 1932 | /* Yes. Clear the display of the old active region, if any. */ |
7a13e894 | 1933 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
b8009dd1 RS |
1934 | |
1935 | /* Is this char mouse-active? */ | |
e0c1aef2 | 1936 | XSETINT (position, pos); |
b8009dd1 RS |
1937 | |
1938 | len = 10; | |
1939 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
1940 | ||
1941 | /* Put all the overlays we want in a vector in overlay_vec. | |
1942 | Store the length in len. */ | |
7965883b RS |
1943 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, |
1944 | NULL, NULL); | |
09fe4c31 | 1945 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
1946 | |
1947 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
1948 | overlay = Qnil; | |
1949 | for (i = 0; i < noverlays; i++) | |
1950 | { | |
1951 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
1952 | if (!NILP (mouse_face)) | |
1953 | { | |
1954 | overlay = overlay_vec[i]; | |
1955 | break; | |
1956 | } | |
1957 | } | |
1958 | free (overlay_vec); | |
1959 | /* If no overlay applies, get a text property. */ | |
1960 | if (NILP (overlay)) | |
1961 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
1962 | ||
1963 | /* Handle the overlay case. */ | |
1964 | if (! NILP (overlay)) | |
1965 | { | |
1966 | /* Find the range of text around this char that | |
1967 | should be active. */ | |
1968 | Lisp_Object before, after; | |
1969 | int ignore; | |
1970 | ||
1971 | before = Foverlay_start (overlay); | |
1972 | after = Foverlay_end (overlay); | |
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 | |
1983 | = compute_char_face (f, w, pos, 0, 0, | |
1984 | &ignore, pos + 1, 1); | |
b8009dd1 RS |
1985 | |
1986 | /* Display it as active. */ | |
7a13e894 | 1987 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 RS |
1988 | } |
1989 | /* Handle the text property case. */ | |
1990 | else if (! NILP (mouse_face)) | |
1991 | { | |
1992 | /* Find the range of text around this char that | |
1993 | should be active. */ | |
1994 | Lisp_Object before, after, beginning, end; | |
1995 | int ignore; | |
1996 | ||
1997 | beginning = Fmarker_position (w->start); | |
e0c1aef2 KH |
1998 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) |
1999 | - XFASTINT (w->window_end_pos))); | |
b8009dd1 RS |
2000 | before |
2001 | = Fprevious_single_property_change (make_number (pos + 1), | |
2002 | Qmouse_face, | |
2003 | w->buffer, beginning); | |
2004 | after | |
2005 | = Fnext_single_property_change (position, Qmouse_face, | |
2006 | w->buffer, end); | |
2007 | /* Record this as the current active region. */ | |
7a13e894 RS |
2008 | fast_find_position (window, before, |
2009 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
2010 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
2011 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
2012 | = !fast_find_position (window, after, | |
2013 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
2014 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
2015 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
2016 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
b8009dd1 RS |
2017 | = compute_char_face (f, w, pos, 0, 0, |
2018 | &ignore, pos + 1, 1); | |
2019 | ||
2020 | /* Display it as active. */ | |
7a13e894 | 2021 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 | 2022 | } |
e444162e RS |
2023 | BEGV = obegv; |
2024 | ZV = ozv; | |
09fe4c31 | 2025 | current_buffer = obuf; |
b8009dd1 | 2026 | } |
b8009dd1 RS |
2027 | } |
2028 | } | |
2029 | \f | |
2030 | /* Find the row and column of position POS in window WINDOW. | |
2031 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2032 | This assumes display in WINDOW is up to date. |
2033 | If POS is above start of WINDOW, return coords | |
2034 | of start of first screen line. | |
4d73d038 RS |
2035 | If POS is after end of WINDOW, return coords of end of last screen line. |
2036 | ||
2037 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
b8009dd1 RS |
2038 | |
2039 | static int | |
2040 | fast_find_position (window, pos, columnp, rowp) | |
2041 | Lisp_Object window; | |
2042 | int pos; | |
2043 | int *columnp, *rowp; | |
2044 | { | |
2045 | struct window *w = XWINDOW (window); | |
2046 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2047 | int i; | |
4d73d038 | 2048 | int row = 0; |
b8009dd1 RS |
2049 | int left = w->left; |
2050 | int top = w->top; | |
2051 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2052 | int width = window_internal_width (w); | |
2053 | int *charstarts; | |
bf1c0ba1 | 2054 | int lastcol; |
77b68646 | 2055 | int maybe_next_line = 0; |
b8009dd1 | 2056 | |
4d73d038 | 2057 | /* Find the right row. */ |
b8009dd1 RS |
2058 | for (i = 0; |
2059 | i < height; | |
2060 | i++) | |
2061 | { | |
2062 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2063 | if (linestart > pos) | |
2064 | break; | |
77b68646 RS |
2065 | /* If the position sought is the end of the buffer, |
2066 | don't include the blank lines at the bottom of the window. */ | |
2067 | if (linestart == pos && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2068 | { | |
2069 | maybe_next_line = 1; | |
2070 | break; | |
2071 | } | |
b8009dd1 RS |
2072 | if (linestart > 0) |
2073 | row = i; | |
2074 | } | |
2075 | ||
4d73d038 | 2076 | /* Find the right column with in it. */ |
b8009dd1 | 2077 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
bf1c0ba1 | 2078 | lastcol = left; |
b8009dd1 | 2079 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2080 | { |
2081 | if (charstarts[left + i] == pos) | |
2082 | { | |
2083 | *rowp = row + top; | |
2084 | *columnp = i + left; | |
2085 | return 1; | |
2086 | } | |
2087 | else if (charstarts[left + i] > pos) | |
4d73d038 RS |
2088 | break; |
2089 | else if (charstarts[left + i] > 0) | |
bf1c0ba1 RS |
2090 | lastcol = left + i; |
2091 | } | |
b8009dd1 | 2092 | |
77b68646 RS |
2093 | /* If we're looking for the end of the buffer, |
2094 | and we didn't find it in the line we scanned, | |
2095 | use the start of the following line. */ | |
2096 | if (maybe_next_line) | |
2097 | { | |
2098 | row++; | |
2099 | i = 0; | |
2100 | } | |
2101 | ||
bf1c0ba1 RS |
2102 | *rowp = row + top; |
2103 | *columnp = lastcol; | |
b8009dd1 RS |
2104 | return 0; |
2105 | } | |
2106 | ||
2107 | /* Display the active region described by mouse_face_* | |
2108 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2109 | ||
2110 | static void | |
7a13e894 RS |
2111 | show_mouse_face (dpyinfo, hl) |
2112 | struct x_display_info *dpyinfo; | |
b8009dd1 RS |
2113 | int hl; |
2114 | { | |
7a13e894 | 2115 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); |
b8009dd1 RS |
2116 | int width = window_internal_width (w); |
2117 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2118 | int i; | |
514e4681 | 2119 | int cursor_off = 0; |
fb3b7de5 RS |
2120 | int old_curs_x = curs_x; |
2121 | int old_curs_y = curs_y; | |
2122 | ||
2123 | /* Set these variables temporarily | |
2124 | so that if we have to turn the cursor off and on again | |
2125 | we will put it back at the same place. */ | |
2126 | curs_x = f->phys_cursor_x; | |
2127 | curs_y = f->phys_cursor_y; | |
b8009dd1 | 2128 | |
7a13e894 RS |
2129 | for (i = FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row; |
2130 | i <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row; i++) | |
b8009dd1 | 2131 | { |
7a13e894 RS |
2132 | int column = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
2133 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col | |
2134 | : w->left); | |
2135 | int endcolumn = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
2136 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
2137 | : w->left + width); | |
6f4c2453 | 2138 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
514e4681 RS |
2139 | |
2140 | /* If the cursor's in the text we are about to rewrite, | |
2141 | turn the cursor off. */ | |
2142 | if (i == curs_y | |
7a13e894 RS |
2143 | && curs_x >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col - 1 |
2144 | && curs_x <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col) | |
514e4681 RS |
2145 | { |
2146 | x_display_cursor (f, 0); | |
2147 | cursor_off = 1; | |
2148 | } | |
b8009dd1 RS |
2149 | |
2150 | dumpglyphs (f, | |
2151 | CHAR_TO_PIXEL_COL (f, column), | |
2152 | CHAR_TO_PIXEL_ROW (f, i), | |
2153 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2154 | endcolumn - column, | |
2155 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2156 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2157 | } |
2158 | ||
514e4681 RS |
2159 | /* If we turned the cursor off, turn it back on. */ |
2160 | if (cursor_off) | |
2161 | x_display_cursor (f, 1); | |
27ead1d5 | 2162 | |
fb3b7de5 RS |
2163 | curs_x = old_curs_x; |
2164 | curs_y = old_curs_y; | |
2165 | ||
27ead1d5 FP |
2166 | /* Change the mouse cursor according to the value of HL. */ |
2167 | if (hl > 0) | |
334208b7 RS |
2168 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
2169 | f->display.x->cross_cursor); | |
27ead1d5 | 2170 | else |
334208b7 RS |
2171 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
2172 | f->display.x->text_cursor); | |
b8009dd1 RS |
2173 | } |
2174 | ||
2175 | /* Clear out the mouse-highlighted active region. | |
2176 | Redraw it unhighlighted first. */ | |
2177 | ||
2178 | static void | |
7a13e894 RS |
2179 | clear_mouse_face (dpyinfo) |
2180 | struct x_display_info *dpyinfo; | |
b8009dd1 | 2181 | { |
7a13e894 RS |
2182 | if (! NILP (dpyinfo->mouse_face_window)) |
2183 | show_mouse_face (dpyinfo, 0); | |
b8009dd1 | 2184 | |
7a13e894 RS |
2185 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
2186 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
2187 | dpyinfo->mouse_face_window = Qnil; | |
b8009dd1 RS |
2188 | } |
2189 | \f | |
ab648270 JB |
2190 | static struct scroll_bar *x_window_to_scroll_bar (); |
2191 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2192 | |
90e65f07 JB |
2193 | /* Return the current position of the mouse. |
2194 | ||
ab648270 JB |
2195 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
2196 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 2197 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2198 | position on the scroll bar. |
12ba150f JB |
2199 | |
2200 | If the mouse movement started elsewhere, set *f to the frame the | |
2201 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2202 | the mouse is over. | |
2203 | ||
2204 | Set *time to the server timestamp for the time at which the mouse | |
2205 | was at this position. | |
2206 | ||
a135645a RS |
2207 | Don't store anything if we don't have a valid set of values to report. |
2208 | ||
90e65f07 | 2209 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2210 | movement. This also calls XQueryPointer, which will cause the |
2211 | server to give us another MotionNotify when the mouse moves | |
2212 | again. */ | |
90e65f07 JB |
2213 | |
2214 | static void | |
334208b7 RS |
2215 | XTmouse_position (fp, bar_window, part, x, y, time) |
2216 | FRAME_PTR *fp; | |
12ba150f | 2217 | Lisp_Object *bar_window; |
ab648270 | 2218 | enum scroll_bar_part *part; |
90e65f07 | 2219 | Lisp_Object *x, *y; |
e5d77022 | 2220 | unsigned long *time; |
90e65f07 | 2221 | { |
a135645a RS |
2222 | FRAME_PTR f1; |
2223 | ||
90e65f07 JB |
2224 | BLOCK_INPUT; |
2225 | ||
ab648270 | 2226 | if (! NILP (last_mouse_scroll_bar)) |
334208b7 | 2227 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
90e65f07 JB |
2228 | else |
2229 | { | |
12ba150f JB |
2230 | Window root; |
2231 | int root_x, root_y; | |
90e65f07 | 2232 | |
12ba150f JB |
2233 | Window dummy_window; |
2234 | int dummy; | |
2235 | ||
2236 | mouse_moved = 0; | |
ab648270 | 2237 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2238 | |
2239 | /* Figure out which root window we're on. */ | |
334208b7 RS |
2240 | XQueryPointer (FRAME_X_DISPLAY (*fp), |
2241 | DefaultRootWindow (FRAME_X_DISPLAY (*fp)), | |
12ba150f JB |
2242 | |
2243 | /* The root window which contains the pointer. */ | |
2244 | &root, | |
2245 | ||
2246 | /* Trash which we can't trust if the pointer is on | |
2247 | a different screen. */ | |
2248 | &dummy_window, | |
2249 | ||
2250 | /* The position on that root window. */ | |
58769bee | 2251 | &root_x, &root_y, |
12ba150f JB |
2252 | |
2253 | /* More trash we can't trust. */ | |
2254 | &dummy, &dummy, | |
2255 | ||
2256 | /* Modifier keys and pointer buttons, about which | |
2257 | we don't care. */ | |
2258 | (unsigned int *) &dummy); | |
2259 | ||
2260 | /* Now we have a position on the root; find the innermost window | |
2261 | containing the pointer. */ | |
2262 | { | |
2263 | Window win, child; | |
2264 | int win_x, win_y; | |
2265 | int parent_x, parent_y; | |
2266 | ||
2267 | win = root; | |
69388238 | 2268 | |
334208b7 | 2269 | if (FRAME_X_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
23faf38f | 2270 | && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 2271 | { |
69388238 RS |
2272 | /* If mouse was grabbed on a frame, give coords for that frame |
2273 | even if the mouse is now outside it. */ | |
334208b7 | 2274 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
69388238 | 2275 | |
12ba150f | 2276 | /* From-window, to-window. */ |
69388238 | 2277 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2278 | |
2279 | /* From-position, to-position. */ | |
2280 | root_x, root_y, &win_x, &win_y, | |
2281 | ||
2282 | /* Child of win. */ | |
2283 | &child); | |
69388238 RS |
2284 | f1 = last_mouse_frame; |
2285 | } | |
2286 | else | |
2287 | { | |
2288 | while (1) | |
2289 | { | |
334208b7 | 2290 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
12ba150f | 2291 | |
69388238 RS |
2292 | /* From-window, to-window. */ |
2293 | root, win, | |
12ba150f | 2294 | |
69388238 RS |
2295 | /* From-position, to-position. */ |
2296 | root_x, root_y, &win_x, &win_y, | |
2297 | ||
2298 | /* Child of win. */ | |
2299 | &child); | |
2300 | ||
2301 | if (child == None) | |
2302 | break; | |
2303 | ||
2304 | win = child; | |
2305 | parent_x = win_x; | |
2306 | parent_y = win_y; | |
2307 | } | |
12ba150f | 2308 | |
69388238 RS |
2309 | /* Now we know that: |
2310 | win is the innermost window containing the pointer | |
2311 | (XTC says it has no child containing the pointer), | |
2312 | win_x and win_y are the pointer's position in it | |
2313 | (XTC did this the last time through), and | |
2314 | parent_x and parent_y are the pointer's position in win's parent. | |
2315 | (They are what win_x and win_y were when win was child. | |
2316 | If win is the root window, it has no parent, and | |
2317 | parent_{x,y} are invalid, but that's okay, because we'll | |
2318 | never use them in that case.) */ | |
2319 | ||
2320 | /* Is win one of our frames? */ | |
2b5c9e71 | 2321 | f1 = x_any_window_to_frame (win); |
69388238 | 2322 | } |
58769bee | 2323 | |
ab648270 | 2324 | /* If not, is it one of our scroll bars? */ |
a135645a | 2325 | if (! f1) |
12ba150f | 2326 | { |
ab648270 | 2327 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2328 | |
2329 | if (bar) | |
2330 | { | |
a135645a | 2331 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2332 | win_x = parent_x; |
2333 | win_y = parent_y; | |
2334 | } | |
2335 | } | |
90e65f07 | 2336 | |
a135645a | 2337 | if (f1) |
12ba150f | 2338 | { |
2b5c9e71 RS |
2339 | int ignore1, ignore2; |
2340 | ||
2341 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2342 | |
2b5c9e71 | 2343 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
334208b7 RS |
2344 | &last_mouse_glyph, |
2345 | FRAME_X_DISPLAY_INFO (f1)->grabbed); | |
12ba150f JB |
2346 | |
2347 | *bar_window = Qnil; | |
2348 | *part = 0; | |
334208b7 | 2349 | *fp = f1; |
e0c1aef2 KH |
2350 | XSETINT (*x, win_x); |
2351 | XSETINT (*y, win_y); | |
12ba150f JB |
2352 | *time = last_mouse_movement_time; |
2353 | } | |
2354 | } | |
2355 | } | |
90e65f07 JB |
2356 | |
2357 | UNBLOCK_INPUT; | |
2358 | } | |
c118dd06 | 2359 | \f |
ab648270 | 2360 | /* Scroll bar support. */ |
f451eb13 | 2361 | |
ab648270 JB |
2362 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2363 | This can be called in GC, so we have to make sure to strip off mark | |
2364 | bits. */ | |
2365 | static struct scroll_bar * | |
2366 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2367 | Window window_id; |
2368 | { | |
2369 | Lisp_Object tail, frame; | |
f451eb13 | 2370 | |
ab648270 JB |
2371 | for (tail = Vframe_list; |
2372 | XGCTYPE (tail) == Lisp_Cons; | |
2373 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2374 | { |
abdda982 | 2375 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2376 | |
abdda982 | 2377 | frame = XCONS (tail)->car; |
f451eb13 | 2378 | /* All elements of Vframe_list should be frames. */ |
0299d313 | 2379 | if (! GC_FRAMEP (frame)) |
f451eb13 JB |
2380 | abort (); |
2381 | ||
ab648270 | 2382 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2383 | right window ID. */ |
ab648270 JB |
2384 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2385 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2386 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2387 | condemned scroll bar lists with one loop. */ |
2388 | ! GC_NILP (bar) || (bar = condemned, | |
2389 | condemned = Qnil, | |
2390 | ! GC_NILP (bar)); | |
bc20ebbf | 2391 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2392 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2393 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2394 | } |
2395 | ||
2396 | return 0; | |
2397 | } | |
2398 | ||
ab648270 JB |
2399 | /* Open a new X window to serve as a scroll bar, and return the |
2400 | scroll bar vector for it. */ | |
2401 | static struct scroll_bar * | |
2402 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2403 | struct window *window; |
f451eb13 JB |
2404 | int top, left, width, height; |
2405 | { | |
334208b7 RS |
2406 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
2407 | struct scroll_bar *bar | |
2408 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2409 | |
2410 | BLOCK_INPUT; | |
2411 | ||
2412 | { | |
2413 | XSetWindowAttributes a; | |
2414 | unsigned long mask; | |
334208b7 | 2415 | a.background_pixel = f->display.x->background_pixel; |
12ba150f | 2416 | a.event_mask = (ButtonPressMask | ButtonReleaseMask |
9a572e2a | 2417 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2418 | | ExposureMask); |
7a13e894 | 2419 | a.cursor = FRAME_X_DISPLAY_INFO (f)->vertical_scroll_bar_cursor; |
f451eb13 | 2420 | |
dbc4e1c1 | 2421 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2422 | |
3afe33e7 RS |
2423 | #if 0 |
2424 | ||
2425 | ac = 0; | |
2426 | XtSetArg (al[ac], XtNx, left); ac++; | |
2427 | XtSetArg (al[ac], XtNy, top); ac++; | |
2428 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2429 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2430 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2431 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 | 2432 | boxWidgetClass, |
334208b7 | 2433 | f->display.x->edit_widget, al, ac); |
7246d1d3 | 2434 | SET_SCROLL_BAR_X_WINDOW |
3afe33e7 | 2435 | (bar, sb_widget->core.window); |
58769bee | 2436 | #endif |
7246d1d3 | 2437 | SET_SCROLL_BAR_X_WINDOW |
58769bee | 2438 | (bar, |
334208b7 | 2439 | XCreateWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f451eb13 | 2440 | |
ab648270 | 2441 | /* Position and size of scroll bar. */ |
12ba150f | 2442 | left, top, width, height, |
f451eb13 | 2443 | |
12ba150f JB |
2444 | /* Border width, depth, class, and visual. */ |
2445 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2446 | |
12ba150f JB |
2447 | /* Attributes. */ |
2448 | mask, &a)); | |
f451eb13 JB |
2449 | } |
2450 | ||
e0c1aef2 KH |
2451 | XSETWINDOW (bar->window, window); |
2452 | XSETINT (bar->top, top); | |
2453 | XSETINT (bar->left, left); | |
2454 | XSETINT (bar->width, width); | |
2455 | XSETINT (bar->height, height); | |
2456 | XSETINT (bar->start, 0); | |
2457 | XSETINT (bar->end, 0); | |
12ba150f | 2458 | bar->dragging = Qnil; |
f451eb13 JB |
2459 | |
2460 | /* Add bar to its frame's list of scroll bars. */ | |
334208b7 | 2461 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2462 | bar->prev = Qnil; |
334208b7 | 2463 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2464 | if (! NILP (bar->next)) |
e0c1aef2 | 2465 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
f451eb13 | 2466 | |
7f9c7f94 | 2467 | XMapRaised (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2468 | |
2469 | UNBLOCK_INPUT; | |
12ba150f JB |
2470 | |
2471 | return bar; | |
f451eb13 JB |
2472 | } |
2473 | ||
12ba150f JB |
2474 | /* Draw BAR's handle in the proper position. |
2475 | If the handle is already drawn from START to END, don't bother | |
2476 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2477 | redraw it. (REBUILD is handy for drawing the handle after expose | |
58769bee | 2478 | events.) |
12ba150f JB |
2479 | |
2480 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2481 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2482 | handle, we want to let them drag it down all the way, so that the |
2483 | bar's top is as far down as it goes; otherwise, there's no way to | |
2484 | move to the very end of the buffer. */ | |
f451eb13 | 2485 | static void |
ab648270 JB |
2486 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2487 | struct scroll_bar *bar; | |
f451eb13 | 2488 | int start, end; |
12ba150f | 2489 | int rebuild; |
f451eb13 | 2490 | { |
12ba150f | 2491 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2492 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 RS |
2493 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2494 | GC gc = f->display.x->normal_gc; | |
12ba150f JB |
2495 | |
2496 | /* If the display is already accurate, do nothing. */ | |
2497 | if (! rebuild | |
2498 | && start == XINT (bar->start) | |
2499 | && end == XINT (bar->end)) | |
2500 | return; | |
2501 | ||
f451eb13 JB |
2502 | BLOCK_INPUT; |
2503 | ||
2504 | { | |
ab648270 JB |
2505 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2506 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2507 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2508 | |
2509 | /* Make sure the values are reasonable, and try to preserve | |
2510 | the distance between start and end. */ | |
12ba150f JB |
2511 | { |
2512 | int length = end - start; | |
2513 | ||
2514 | if (start < 0) | |
2515 | start = 0; | |
2516 | else if (start > top_range) | |
2517 | start = top_range; | |
2518 | end = start + length; | |
2519 | ||
2520 | if (end < start) | |
2521 | end = start; | |
2522 | else if (end > top_range && ! dragging) | |
2523 | end = top_range; | |
2524 | } | |
f451eb13 | 2525 | |
ab648270 | 2526 | /* Store the adjusted setting in the scroll bar. */ |
e0c1aef2 KH |
2527 | XSETINT (bar->start, start); |
2528 | XSETINT (bar->end, end); | |
f451eb13 | 2529 | |
12ba150f JB |
2530 | /* Clip the end position, just for display. */ |
2531 | if (end > top_range) | |
2532 | end = top_range; | |
f451eb13 | 2533 | |
ab648270 | 2534 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2535 | below top positions, to make sure the handle is always at least |
2536 | that many pixels tall. */ | |
ab648270 | 2537 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2538 | |
12ba150f JB |
2539 | /* Draw the empty space above the handle. Note that we can't clear |
2540 | zero-height areas; that means "clear to end of window." */ | |
2541 | if (0 < start) | |
334208b7 | 2542 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2543 | |
12ba150f | 2544 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2545 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2546 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2547 | inside_width, start, |
2548 | False); | |
f451eb13 | 2549 | |
12ba150f | 2550 | /* Draw the handle itself. */ |
334208b7 | 2551 | XFillRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 | 2552 | |
12ba150f | 2553 | /* x, y, width, height */ |
ab648270 JB |
2554 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2555 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2556 | inside_width, end - start); |
f451eb13 | 2557 | |
f451eb13 | 2558 | |
12ba150f JB |
2559 | /* Draw the empty space below the handle. Note that we can't |
2560 | clear zero-height areas; that means "clear to end of window." */ | |
2561 | if (end < inside_height) | |
334208b7 | 2562 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2563 | |
12ba150f | 2564 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2565 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2566 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2567 | inside_width, inside_height - end, |
2568 | False); | |
f451eb13 | 2569 | |
f451eb13 JB |
2570 | } |
2571 | ||
f451eb13 JB |
2572 | UNBLOCK_INPUT; |
2573 | } | |
2574 | ||
eb8c3be9 | 2575 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2576 | window configurations. */ |
f451eb13 | 2577 | static void |
ab648270 JB |
2578 | x_scroll_bar_move (bar, top, left, width, height) |
2579 | struct scroll_bar *bar; | |
f451eb13 JB |
2580 | int top, left, width, height; |
2581 | { | |
334208b7 RS |
2582 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2583 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2584 | ||
f451eb13 JB |
2585 | BLOCK_INPUT; |
2586 | ||
2587 | { | |
2588 | XWindowChanges wc; | |
2589 | unsigned int mask = 0; | |
2590 | ||
2591 | wc.x = left; | |
2592 | wc.y = top; | |
2593 | wc.width = width; | |
2594 | wc.height = height; | |
2595 | ||
12ba150f JB |
2596 | if (left != XINT (bar->left)) mask |= CWX; |
2597 | if (top != XINT (bar->top)) mask |= CWY; | |
2598 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2599 | if (height != XINT (bar->height)) mask |= CWHeight; | |
58769bee | 2600 | |
12ba150f | 2601 | if (mask) |
334208b7 | 2602 | XConfigureWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2603 | mask, &wc); |
f451eb13 JB |
2604 | } |
2605 | ||
e0c1aef2 KH |
2606 | XSETINT (bar->left, left); |
2607 | XSETINT (bar->top, top); | |
2608 | XSETINT (bar->width, width); | |
2609 | XSETINT (bar->height, height); | |
12ba150f | 2610 | |
f451eb13 JB |
2611 | UNBLOCK_INPUT; |
2612 | } | |
2613 | ||
ab648270 | 2614 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2615 | to nil. */ |
2616 | static void | |
ab648270 JB |
2617 | x_scroll_bar_remove (bar) |
2618 | struct scroll_bar *bar; | |
12ba150f JB |
2619 | { |
2620 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2621 | ||
2622 | BLOCK_INPUT; | |
2623 | ||
2624 | /* Destroy the window. */ | |
334208b7 | 2625 | XDestroyWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2626 | |
ab648270 JB |
2627 | /* Disassociate this scroll bar from its window. */ |
2628 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2629 | |
2630 | UNBLOCK_INPUT; | |
2631 | } | |
2632 | ||
2633 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2634 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2635 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2636 | create one. */ |
2637 | static void | |
ab648270 | 2638 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2639 | struct window *window; |
2640 | int portion, whole, position; | |
2641 | { | |
2642 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2643 | int top = XINT (window->top); |
ab648270 JB |
2644 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2645 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2646 | |
ab648270 | 2647 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2648 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2649 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
b2cad826 KH |
2650 | int pixel_width |
2651 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
2652 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
2653 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->display.x->font))); | |
ab648270 | 2654 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); |
f451eb13 | 2655 | |
ab648270 | 2656 | struct scroll_bar *bar; |
12ba150f | 2657 | |
ab648270 JB |
2658 | /* Does the scroll bar exist yet? */ |
2659 | if (NILP (window->vertical_scroll_bar)) | |
2660 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2661 | pixel_top, pixel_left, |
2662 | pixel_width, pixel_height); | |
2663 | else | |
12ba150f JB |
2664 | { |
2665 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2666 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2667 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2668 | } |
f451eb13 | 2669 | |
ab648270 | 2670 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2671 | dragged. */ |
12ba150f | 2672 | if (NILP (bar->dragging)) |
f451eb13 | 2673 | { |
0299d313 | 2674 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2675 | |
12ba150f | 2676 | if (whole == 0) |
ab648270 | 2677 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2678 | else |
2679 | { | |
43f868f5 JB |
2680 | int start = ((double) position * top_range) / whole; |
2681 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2682 | |
ab648270 | 2683 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2684 | } |
f451eb13 JB |
2685 | } |
2686 | ||
e0c1aef2 | 2687 | XSETVECTOR (window->vertical_scroll_bar, bar); |
f451eb13 JB |
2688 | } |
2689 | ||
12ba150f | 2690 | |
f451eb13 | 2691 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2692 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2693 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2694 | away is a real pain - "Can you say set-window-configuration, boys |
2695 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2696 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2697 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2698 | |
ab648270 JB |
2699 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2700 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2701 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
58769bee | 2702 | static void |
ab648270 | 2703 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2704 | FRAME_PTR frame; |
2705 | { | |
12ba150f JB |
2706 | /* The condemned list should be empty at this point; if it's not, |
2707 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2708 | protocol correctly. */ | |
ab648270 | 2709 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2710 | abort (); |
2711 | ||
2712 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2713 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2714 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2715 | } |
2716 | ||
ab648270 | 2717 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2718 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2719 | static void |
ab648270 | 2720 | XTredeem_scroll_bar (window) |
12ba150f | 2721 | struct window *window; |
f451eb13 | 2722 | { |
ab648270 | 2723 | struct scroll_bar *bar; |
12ba150f | 2724 | |
ab648270 JB |
2725 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2726 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2727 | abort (); |
2728 | ||
ab648270 | 2729 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2730 | |
2731 | /* Unlink it from the condemned list. */ | |
2732 | { | |
2733 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2734 | ||
2735 | if (NILP (bar->prev)) | |
2736 | { | |
2737 | /* If the prev pointer is nil, it must be the first in one of | |
2738 | the lists. */ | |
ab648270 | 2739 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2740 | /* It's not condemned. Everything's fine. */ |
2741 | return; | |
ab648270 JB |
2742 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2743 | window->vertical_scroll_bar)) | |
2744 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2745 | else |
2746 | /* If its prev pointer is nil, it must be at the front of | |
2747 | one or the other! */ | |
2748 | abort (); | |
2749 | } | |
2750 | else | |
ab648270 | 2751 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2752 | |
2753 | if (! NILP (bar->next)) | |
ab648270 | 2754 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2755 | |
ab648270 | 2756 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2757 | bar->prev = Qnil; |
e0c1aef2 | 2758 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2759 | if (! NILP (bar->next)) |
e0c1aef2 | 2760 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
12ba150f | 2761 | } |
f451eb13 JB |
2762 | } |
2763 | ||
ab648270 JB |
2764 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2765 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2766 | static void |
ab648270 | 2767 | XTjudge_scroll_bars (f) |
12ba150f | 2768 | FRAME_PTR f; |
f451eb13 | 2769 | { |
12ba150f | 2770 | Lisp_Object bar, next; |
f451eb13 | 2771 | |
ab648270 | 2772 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2773 | |
2774 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2775 | more events on the hapless scroll bars. */ |
2776 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2777 | |
2778 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2779 | { |
ab648270 | 2780 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2781 | |
ab648270 | 2782 | x_scroll_bar_remove (b); |
12ba150f JB |
2783 | |
2784 | next = b->next; | |
2785 | b->next = b->prev = Qnil; | |
f451eb13 | 2786 | } |
12ba150f | 2787 | |
ab648270 | 2788 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2789 | and they should get garbage-collected. */ |
f451eb13 JB |
2790 | } |
2791 | ||
2792 | ||
ab648270 JB |
2793 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2794 | ||
2795 | This may be called from a signal handler, so we have to ignore GC | |
2796 | mark bits. */ | |
f451eb13 | 2797 | static void |
ab648270 JB |
2798 | x_scroll_bar_expose (bar, event) |
2799 | struct scroll_bar *bar; | |
f451eb13 JB |
2800 | XEvent *event; |
2801 | { | |
ab648270 | 2802 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 RS |
2803 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2804 | GC gc = f->display.x->normal_gc; | |
12ba150f | 2805 | |
f451eb13 JB |
2806 | BLOCK_INPUT; |
2807 | ||
ab648270 | 2808 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2809 | |
ab648270 | 2810 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
334208b7 | 2811 | XDrawRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 JB |
2812 | |
2813 | /* x, y, width, height */ | |
12ba150f | 2814 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2815 | |
f451eb13 JB |
2816 | UNBLOCK_INPUT; |
2817 | } | |
2818 | ||
ab648270 JB |
2819 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2820 | is set to something other than no_event, it is enqueued. | |
2821 | ||
2822 | This may be called from a signal handler, so we have to ignore GC | |
2823 | mark bits. */ | |
f451eb13 | 2824 | static void |
ab648270 JB |
2825 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2826 | struct scroll_bar *bar; | |
f451eb13 JB |
2827 | XEvent *event; |
2828 | struct input_event *emacs_event; | |
2829 | { | |
0299d313 | 2830 | if (! GC_WINDOWP (bar->window)) |
12ba150f JB |
2831 | abort (); |
2832 | ||
ab648270 | 2833 | emacs_event->kind = scroll_bar_click; |
69388238 | 2834 | emacs_event->code = event->xbutton.button - Button1; |
0299d313 RS |
2835 | emacs_event->modifiers |
2836 | = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO | |
2837 | (XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))), | |
2838 | event->xbutton.state) | |
2839 | | (event->type == ButtonRelease | |
2840 | ? up_modifier | |
2841 | : down_modifier)); | |
12ba150f | 2842 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2843 | emacs_event->timestamp = event->xbutton.time; |
12ba150f | 2844 | { |
0299d313 RS |
2845 | int internal_height |
2846 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2847 | int top_range | |
2848 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
ab648270 | 2849 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
2850 | |
2851 | if (y < 0) y = 0; | |
2852 | if (y > top_range) y = top_range; | |
2853 | ||
2854 | if (y < XINT (bar->start)) | |
ab648270 JB |
2855 | emacs_event->part = scroll_bar_above_handle; |
2856 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2857 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2858 | else |
ab648270 | 2859 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2860 | |
2861 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2862 | they want to drag it. Lisp code needs to be able to decide |
2863 | whether or not we're dragging. */ | |
929787e1 | 2864 | #if 0 |
12ba150f JB |
2865 | /* If the user has just clicked on the handle, record where they're |
2866 | holding it. */ | |
2867 | if (event->type == ButtonPress | |
ab648270 | 2868 | && emacs_event->part == scroll_bar_handle) |
e0c1aef2 | 2869 | XSETINT (bar->dragging, y - XINT (bar->start)); |
929787e1 | 2870 | #endif |
12ba150f JB |
2871 | |
2872 | /* If the user has released the handle, set it to its final position. */ | |
2873 | if (event->type == ButtonRelease | |
2874 | && ! NILP (bar->dragging)) | |
2875 | { | |
2876 | int new_start = y - XINT (bar->dragging); | |
2877 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2878 | |
ab648270 | 2879 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2880 | bar->dragging = Qnil; |
2881 | } | |
f451eb13 | 2882 | |
5116f055 JB |
2883 | /* Same deal here as the other #if 0. */ |
2884 | #if 0 | |
58769bee | 2885 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 2886 | the handle. */ |
ab648270 | 2887 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2888 | emacs_event->x = bar->start; |
2889 | else | |
e0c1aef2 | 2890 | XSETINT (emacs_event->x, y); |
5116f055 | 2891 | #else |
e0c1aef2 | 2892 | XSETINT (emacs_event->x, y); |
5116f055 | 2893 | #endif |
f451eb13 | 2894 | |
e0c1aef2 | 2895 | XSETINT (emacs_event->y, top_range); |
12ba150f JB |
2896 | } |
2897 | } | |
f451eb13 | 2898 | |
ab648270 JB |
2899 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2900 | ||
2901 | This may be called from a signal handler, so we have to ignore GC | |
2902 | mark bits. */ | |
f451eb13 | 2903 | static void |
ab648270 JB |
2904 | x_scroll_bar_note_movement (bar, event) |
2905 | struct scroll_bar *bar; | |
f451eb13 JB |
2906 | XEvent *event; |
2907 | { | |
2908 | last_mouse_movement_time = event->xmotion.time; | |
2909 | ||
2910 | mouse_moved = 1; | |
e0c1aef2 | 2911 | XSETVECTOR (last_mouse_scroll_bar, bar); |
f451eb13 JB |
2912 | |
2913 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2914 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2915 | { |
2916 | /* Where should the handle be now? */ | |
12ba150f | 2917 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2918 | |
12ba150f | 2919 | if (new_start != XINT (bar->start)) |
f451eb13 | 2920 | { |
12ba150f | 2921 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
58769bee | 2922 | |
ab648270 | 2923 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2924 | } |
2925 | } | |
2926 | ||
2927 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2928 | moves and we can see *still* on the same position. */ | |
2929 | { | |
2930 | int dummy; | |
847e150a | 2931 | Window dummy_window; |
58769bee | 2932 | |
f451eb13 | 2933 | XQueryPointer (event->xmotion.display, event->xmotion.window, |
847e150a | 2934 | &dummy_window, &dummy_window, |
f451eb13 JB |
2935 | &dummy, &dummy, &dummy, &dummy, |
2936 | (unsigned int *) &dummy); | |
2937 | } | |
2938 | } | |
2939 | ||
12ba150f | 2940 | /* Return information to the user about the current position of the mouse |
ab648270 | 2941 | on the scroll bar. */ |
12ba150f | 2942 | static void |
334208b7 RS |
2943 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
2944 | FRAME_PTR *fp; | |
12ba150f | 2945 | Lisp_Object *bar_window; |
ab648270 | 2946 | enum scroll_bar_part *part; |
12ba150f JB |
2947 | Lisp_Object *x, *y; |
2948 | unsigned long *time; | |
2949 | { | |
ab648270 | 2950 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
334208b7 RS |
2951 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2952 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
12ba150f | 2953 | int win_x, win_y; |
559cb2fb JB |
2954 | Window dummy_window; |
2955 | int dummy_coord; | |
2956 | unsigned int dummy_mask; | |
12ba150f | 2957 | |
cf7cb199 JB |
2958 | BLOCK_INPUT; |
2959 | ||
ab648270 | 2960 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 2961 | report that. */ |
334208b7 | 2962 | if (! XQueryPointer (FRAME_X_DISPLAY (f), w, |
12ba150f | 2963 | |
559cb2fb JB |
2964 | /* Root, child, root x and root y. */ |
2965 | &dummy_window, &dummy_window, | |
2966 | &dummy_coord, &dummy_coord, | |
12ba150f | 2967 | |
559cb2fb JB |
2968 | /* Position relative to scroll bar. */ |
2969 | &win_x, &win_y, | |
12ba150f | 2970 | |
559cb2fb JB |
2971 | /* Mouse buttons and modifier keys. */ |
2972 | &dummy_mask)) | |
7a13e894 | 2973 | ; |
559cb2fb JB |
2974 | else |
2975 | { | |
2976 | int inside_height | |
2977 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2978 | int top_range | |
2979 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2980 | ||
2981 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
2982 | ||
2983 | if (! NILP (bar->dragging)) | |
2984 | win_y -= XINT (bar->dragging); | |
2985 | ||
2986 | if (win_y < 0) | |
2987 | win_y = 0; | |
2988 | if (win_y > top_range) | |
2989 | win_y = top_range; | |
2990 | ||
334208b7 | 2991 | *fp = f; |
7a13e894 | 2992 | *bar_window = bar->window; |
559cb2fb JB |
2993 | |
2994 | if (! NILP (bar->dragging)) | |
2995 | *part = scroll_bar_handle; | |
2996 | else if (win_y < XINT (bar->start)) | |
2997 | *part = scroll_bar_above_handle; | |
2998 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2999 | *part = scroll_bar_handle; | |
3000 | else | |
3001 | *part = scroll_bar_below_handle; | |
12ba150f | 3002 | |
e0c1aef2 KH |
3003 | XSETINT (*x, win_y); |
3004 | XSETINT (*y, top_range); | |
12ba150f | 3005 | |
559cb2fb JB |
3006 | mouse_moved = 0; |
3007 | last_mouse_scroll_bar = Qnil; | |
3008 | } | |
12ba150f | 3009 | |
559cb2fb | 3010 | *time = last_mouse_movement_time; |
cf7cb199 | 3011 | |
cf7cb199 | 3012 | UNBLOCK_INPUT; |
12ba150f JB |
3013 | } |
3014 | ||
f451eb13 | 3015 | |
dbc4e1c1 | 3016 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
3017 | background colors, and the scroll bars may need to be redrawn. |
3018 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
3019 | redraw them. */ |
3020 | ||
ab648270 | 3021 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
3022 | FRAME_PTR f; |
3023 | { | |
3024 | Lisp_Object bar; | |
3025 | ||
9bc4522e | 3026 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); |
ab648270 | 3027 | bar = XSCROLL_BAR (bar)->next) |
334208b7 | 3028 | XClearArea (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), |
dbc4e1c1 JB |
3029 | 0, 0, 0, 0, True); |
3030 | } | |
3031 | ||
3afe33e7 RS |
3032 | /* This processes Expose events from the menubar specific X event |
3033 | loop in menubar.c. This allows to redisplay the frame if necessary | |
3034 | when handling menubar or popup items. */ | |
3035 | ||
3036 | void | |
3037 | process_expose_from_menu (event) | |
3038 | XEvent event; | |
3039 | { | |
3040 | FRAME_PTR f; | |
3041 | ||
f94397b5 KH |
3042 | BLOCK_INPUT; |
3043 | ||
3afe33e7 RS |
3044 | f = x_window_to_frame (event.xexpose.window); |
3045 | if (f) | |
3046 | { | |
3047 | if (f->async_visible == 0) | |
3048 | { | |
3049 | f->async_visible = 1; | |
3050 | f->async_iconified = 0; | |
3051 | SET_FRAME_GARBAGED (f); | |
3052 | } | |
3053 | else | |
3054 | { | |
3055 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3056 | event.xexpose.x, event.xexpose.y, | |
3057 | event.xexpose.width, event.xexpose.height); | |
3058 | } | |
3059 | } | |
3060 | else | |
3061 | { | |
3062 | struct scroll_bar *bar | |
3063 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3064 | |
3afe33e7 RS |
3065 | if (bar) |
3066 | x_scroll_bar_expose (bar, &event); | |
3067 | } | |
f94397b5 KH |
3068 | |
3069 | UNBLOCK_INPUT; | |
3afe33e7 | 3070 | } |
09756a85 RS |
3071 | \f |
3072 | /* Define a queue to save up SelectionRequest events for later handling. */ | |
3073 | ||
3074 | struct selection_event_queue | |
3075 | { | |
3076 | XEvent event; | |
3077 | struct selection_event_queue *next; | |
3078 | }; | |
3079 | ||
3080 | static struct selection_event_queue *queue; | |
3081 | ||
3082 | /* Nonzero means queue up certain events--don't process them yet. */ | |
3083 | static int x_queue_selection_requests; | |
3084 | ||
3085 | /* Queue up an X event *EVENT, to be processed later. */ | |
dbc4e1c1 | 3086 | |
09756a85 | 3087 | static void |
334208b7 RS |
3088 | x_queue_event (f, event) |
3089 | FRAME_PTR f; | |
09756a85 RS |
3090 | XEvent *event; |
3091 | { | |
3092 | struct selection_event_queue *queue_tmp | |
3093 | = (struct selection_event_queue *) malloc (sizeof (struct selection_event_queue)); | |
3094 | ||
58769bee | 3095 | if (queue_tmp != NULL) |
09756a85 RS |
3096 | { |
3097 | queue_tmp->event = *event; | |
3098 | queue_tmp->next = queue; | |
3099 | queue = queue_tmp; | |
3100 | } | |
3101 | } | |
3102 | ||
3103 | /* Take all the queued events and put them back | |
3104 | so that they get processed afresh. */ | |
3105 | ||
3106 | static void | |
334208b7 RS |
3107 | x_unqueue_events (f) |
3108 | FRAME_PTR f; | |
09756a85 | 3109 | { |
58769bee | 3110 | while (queue != NULL) |
09756a85 RS |
3111 | { |
3112 | struct selection_event_queue *queue_tmp = queue; | |
334208b7 | 3113 | XPutBackEvent (FRAME_X_DISPLAY (f), &queue_tmp->event); |
09756a85 RS |
3114 | queue = queue_tmp->next; |
3115 | free ((char *)queue_tmp); | |
3116 | } | |
3117 | } | |
3118 | ||
3119 | /* Start queuing SelectionRequest events. */ | |
3120 | ||
3121 | void | |
334208b7 RS |
3122 | x_start_queuing_selection_requests (f) |
3123 | FRAME_PTR f; | |
09756a85 RS |
3124 | { |
3125 | x_queue_selection_requests++; | |
3126 | } | |
3127 | ||
3128 | /* Stop queuing SelectionRequest events. */ | |
3129 | ||
3130 | void | |
334208b7 RS |
3131 | x_stop_queuing_selection_requests (f) |
3132 | FRAME_PTR f; | |
09756a85 RS |
3133 | { |
3134 | x_queue_selection_requests--; | |
334208b7 | 3135 | x_unqueue_events (f); |
09756a85 | 3136 | } |
f451eb13 JB |
3137 | \f |
3138 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3139 | |
dc6f92b8 JB |
3140 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3141 | but we have to put it out here, since static variables within functions | |
3142 | sometimes don't work. */ | |
3143 | static Time enter_timestamp; | |
3144 | ||
11edeb03 | 3145 | /* This holds the state XLookupString needs to implement dead keys |
58769bee | 3146 | and other tricks known as "compose processing". _X Window System_ |
11edeb03 JB |
3147 | says that a portable program can't use this, but Stephen Gildea assures |
3148 | me that letting the compiler initialize it to zeros will work okay. | |
3149 | ||
3150 | This must be defined outside of XTread_socket, for the same reasons | |
3151 | given for enter_timestamp, above. */ | |
3152 | static XComposeStatus compose_status; | |
3153 | ||
10e6549c RS |
3154 | /* Record the last 100 characters stored |
3155 | to help debug the loss-of-chars-during-GC problem. */ | |
3156 | int temp_index; | |
3157 | short temp_buffer[100]; | |
3158 | ||
7a13e894 RS |
3159 | /* Set this to nonzero to fake an "X I/O error" |
3160 | on a particular display. */ | |
3161 | struct x_display_info *XTread_socket_fake_io_error; | |
3162 | ||
dc6f92b8 JB |
3163 | /* Read events coming from the X server. |
3164 | This routine is called by the SIGIO handler. | |
3165 | We return as soon as there are no more events to be read. | |
3166 | ||
3167 | Events representing keys are stored in buffer BUFP, | |
3168 | which can hold up to NUMCHARS characters. | |
3169 | We return the number of characters stored into the buffer, | |
3170 | thus pretending to be `read'. | |
3171 | ||
3172 | WAITP is nonzero if we should block until input arrives. | |
3173 | EXPECTED is nonzero if the caller knows input is available. */ | |
3174 | ||
7c5283e4 | 3175 | int |
dc6f92b8 JB |
3176 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3177 | register int sd; | |
3178 | register struct input_event *bufp; | |
3179 | register int numchars; | |
3180 | int waitp; | |
3181 | int expected; | |
3182 | { | |
3183 | int count = 0; | |
3184 | int nbytes = 0; | |
3185 | int mask; | |
3186 | int items_pending; /* How many items are in the X queue. */ | |
3187 | XEvent event; | |
f676886a | 3188 | struct frame *f; |
66f55a9d | 3189 | int event_found = 0; |
dc6f92b8 JB |
3190 | int prefix; |
3191 | Lisp_Object part; | |
334208b7 | 3192 | struct x_display_info *dpyinfo; |
dc6f92b8 | 3193 | |
9ac0d9e0 | 3194 | if (interrupt_input_blocked) |
dc6f92b8 | 3195 | { |
9ac0d9e0 | 3196 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3197 | return -1; |
3198 | } | |
3199 | ||
9ac0d9e0 | 3200 | interrupt_input_pending = 0; |
dc6f92b8 | 3201 | BLOCK_INPUT; |
c0a04927 RS |
3202 | |
3203 | /* So people can tell when we have read the available input. */ | |
3204 | input_signal_count++; | |
3205 | ||
dc6f92b8 JB |
3206 | if (numchars <= 0) |
3207 | abort (); /* Don't think this happens. */ | |
3208 | ||
7a13e894 RS |
3209 | /* Find the display we are supposed to read input for. |
3210 | It's the one communicating on descriptor SD. */ | |
3211 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
3212 | { | |
3213 | #if 0 /* This ought to be unnecessary; let's verify it. */ | |
dc6f92b8 | 3214 | #ifdef FIOSNBIO |
7a13e894 RS |
3215 | /* If available, Xlib uses FIOSNBIO to make the socket |
3216 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3217 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3218 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
3219 | fcntl (dpyinfo->connection, F_SETFL, 0); | |
c118dd06 | 3220 | #endif /* ! defined (FIOSNBIO) */ |
7a13e894 | 3221 | #endif |
dc6f92b8 | 3222 | |
7a13e894 RS |
3223 | #if 0 /* This code can't be made to work, with multiple displays, |
3224 | and appears not to be used on any system any more. | |
3225 | Also keyboard.c doesn't turn O_NDELAY on and off | |
3226 | for X connections. */ | |
dc6f92b8 JB |
3227 | #ifndef SIGIO |
3228 | #ifndef HAVE_SELECT | |
7a13e894 RS |
3229 | if (! (fcntl (dpyinfo->connection, F_GETFL, 0) & O_NDELAY)) |
3230 | { | |
3231 | extern int read_alarm_should_throw; | |
3232 | read_alarm_should_throw = 1; | |
3233 | XPeekEvent (dpyinfo->display, &event); | |
3234 | read_alarm_should_throw = 0; | |
3235 | } | |
c118dd06 JB |
3236 | #endif /* HAVE_SELECT */ |
3237 | #endif /* SIGIO */ | |
7a13e894 | 3238 | #endif |
dc6f92b8 | 3239 | |
7a13e894 RS |
3240 | /* For debugging, this gives a way to fake an I/O error. */ |
3241 | if (dpyinfo == XTread_socket_fake_io_error) | |
3242 | { | |
3243 | XTread_socket_fake_io_error = 0; | |
3244 | x_io_error_quitter (dpyinfo->display); | |
3245 | } | |
dc6f92b8 | 3246 | |
7a13e894 | 3247 | while (XPending (dpyinfo->display) != 0) |
dc6f92b8 | 3248 | { |
7a13e894 RS |
3249 | XNextEvent (dpyinfo->display, &event); |
3250 | event_found = 1; | |
3251 | ||
3252 | switch (event.type) | |
3253 | { | |
3254 | case ClientMessage: | |
c047688c | 3255 | { |
7a13e894 RS |
3256 | if (event.xclient.message_type |
3257 | == dpyinfo->Xatom_wm_protocols | |
3258 | && event.xclient.format == 32) | |
c047688c | 3259 | { |
7a13e894 RS |
3260 | if (event.xclient.data.l[0] |
3261 | == dpyinfo->Xatom_wm_take_focus) | |
c047688c | 3262 | { |
7a13e894 RS |
3263 | f = x_window_to_frame (event.xclient.window); |
3264 | /* Since we set WM_TAKE_FOCUS, we must call | |
3265 | XSetInputFocus explicitly. But not if f is null, | |
3266 | since that might be an event for a deleted frame. */ | |
3267 | if (f) | |
3268 | XSetInputFocus (event.xclient.display, | |
3269 | event.xclient.window, | |
3270 | RevertToPointerRoot, | |
3271 | event.xclient.data.l[1]); | |
3272 | /* Not certain about handling scroll bars here */ | |
c047688c | 3273 | } |
7a13e894 RS |
3274 | else if (event.xclient.data.l[0] |
3275 | == dpyinfo->Xatom_wm_save_yourself) | |
3276 | { | |
3277 | /* Save state modify the WM_COMMAND property to | |
3278 | something which can reinstate us. This notifies | |
3279 | the session manager, who's looking for such a | |
3280 | PropertyNotify. Can restart processing when | |
3281 | a keyboard or mouse event arrives. */ | |
3282 | if (numchars > 0) | |
3283 | { | |
3284 | f = x_top_window_to_frame (event.xclient.window); | |
3285 | ||
3286 | /* This is just so we only give real data once | |
3287 | for a single Emacs process. */ | |
3288 | if (f == selected_frame) | |
3289 | XSetCommand (FRAME_X_DISPLAY (f), | |
3290 | event.xclient.window, | |
3291 | initial_argv, initial_argc); | |
3292 | else | |
3293 | XSetCommand (FRAME_X_DISPLAY (f), | |
3294 | event.xclient.window, | |
3295 | 0, 0); | |
3296 | } | |
3297 | } | |
3298 | else if (event.xclient.data.l[0] | |
3299 | == dpyinfo->Xatom_wm_delete_window) | |
1fb20991 | 3300 | { |
7a13e894 | 3301 | struct frame *f = x_any_window_to_frame (event.xclient.window); |
1fb20991 | 3302 | |
7a13e894 RS |
3303 | if (f) |
3304 | { | |
3305 | if (numchars == 0) | |
3306 | abort (); | |
1fb20991 | 3307 | |
7a13e894 RS |
3308 | bufp->kind = delete_window_event; |
3309 | XSETFRAME (bufp->frame_or_window, f); | |
3310 | bufp++; | |
3311 | ||
3312 | count += 1; | |
3313 | numchars -= 1; | |
3314 | } | |
1fb20991 | 3315 | } |
c047688c | 3316 | } |
7a13e894 RS |
3317 | else if (event.xclient.message_type |
3318 | == dpyinfo->Xatom_wm_configure_denied) | |
3319 | { | |
3320 | } | |
3321 | else if (event.xclient.message_type | |
3322 | == dpyinfo->Xatom_wm_window_moved) | |
3323 | { | |
3324 | int new_x, new_y; | |
3325 | struct frame *f = x_window_to_frame (event.xclient.window); | |
58769bee | 3326 | |
7a13e894 RS |
3327 | new_x = event.xclient.data.s[0]; |
3328 | new_y = event.xclient.data.s[1]; | |
1fb20991 | 3329 | |
7a13e894 RS |
3330 | if (f) |
3331 | { | |
3332 | f->display.x->left_pos = new_x; | |
3333 | f->display.x->top_pos = new_y; | |
3334 | } | |
1fb20991 | 3335 | } |
5627c40e | 3336 | #if defined (USE_X_TOOLKIT) && defined (HAVE_X11R5) |
7a13e894 RS |
3337 | else if (event.xclient.message_type |
3338 | == dpyinfo->Xatom_editres) | |
3339 | { | |
3340 | struct frame *f = x_any_window_to_frame (event.xclient.window); | |
3341 | _XEditResCheckMessages (f->display.x->widget, NULL, &event, NULL); | |
3342 | } | |
5627c40e | 3343 | #endif /* USE_X_TOOLKIT and HAVE_X11R5 */ |
7a13e894 RS |
3344 | } |
3345 | break; | |
dc6f92b8 | 3346 | |
7a13e894 | 3347 | case SelectionNotify: |
3afe33e7 | 3348 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3349 | if (! x_window_to_frame (event.xselection.requestor)) |
3350 | goto OTHER; | |
3afe33e7 | 3351 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3352 | x_handle_selection_notify (&event); |
3353 | break; | |
d56a553a | 3354 | |
7a13e894 | 3355 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3356 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3357 | if (! x_window_to_frame (event.xselectionclear.window)) |
3358 | goto OTHER; | |
3afe33e7 | 3359 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3360 | { |
3361 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
d56a553a | 3362 | |
7a13e894 RS |
3363 | if (numchars == 0) |
3364 | abort (); | |
d56a553a | 3365 | |
7a13e894 RS |
3366 | bufp->kind = selection_clear_event; |
3367 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3368 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3369 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3370 | bufp++; | |
d56a553a | 3371 | |
7a13e894 RS |
3372 | count += 1; |
3373 | numchars -= 1; | |
3374 | } | |
3375 | break; | |
dc6f92b8 | 3376 | |
7a13e894 | 3377 | case SelectionRequest: /* Someone wants our selection. */ |
3afe33e7 | 3378 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3379 | if (!x_window_to_frame (event.xselectionrequest.owner)) |
3380 | goto OTHER; | |
3afe33e7 | 3381 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3382 | if (x_queue_selection_requests) |
3383 | x_queue_event (x_window_to_frame (event.xselectionrequest.owner), | |
3384 | &event); | |
3385 | else | |
3386 | { | |
3387 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
dc6f92b8 | 3388 | |
7a13e894 RS |
3389 | if (numchars == 0) |
3390 | abort (); | |
3391 | ||
3392 | bufp->kind = selection_request_event; | |
3393 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3394 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3395 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3396 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3397 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3398 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3399 | bufp++; | |
3400 | ||
3401 | count += 1; | |
3402 | numchars -= 1; | |
3403 | } | |
3404 | break; | |
3405 | ||
3406 | case PropertyNotify: | |
3afe33e7 | 3407 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3408 | if (!x_any_window_to_frame (event.xproperty.window)) |
3409 | goto OTHER; | |
3afe33e7 | 3410 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3411 | x_handle_property_notify (&event); |
3412 | break; | |
dc6f92b8 | 3413 | |
7a13e894 RS |
3414 | case ReparentNotify: |
3415 | f = x_top_window_to_frame (event.xreparent.window); | |
3416 | if (f) | |
3417 | { | |
3418 | int x, y; | |
3419 | f->display.x->parent_desc = event.xreparent.parent; | |
3420 | x_real_positions (f, &x, &y); | |
3421 | f->display.x->left_pos = x; | |
3422 | f->display.x->top_pos = y; | |
3423 | } | |
3424 | break; | |
3bd330d4 | 3425 | |
7a13e894 RS |
3426 | case Expose: |
3427 | f = x_window_to_frame (event.xexpose.window); | |
3428 | if (f) | |
dc6f92b8 | 3429 | { |
7a13e894 RS |
3430 | if (f->async_visible == 0) |
3431 | { | |
3432 | f->async_visible = 1; | |
3433 | f->async_iconified = 0; | |
3434 | SET_FRAME_GARBAGED (f); | |
3435 | } | |
3436 | else | |
3437 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3438 | event.xexpose.x, event.xexpose.y, | |
3439 | event.xexpose.width, event.xexpose.height); | |
dc6f92b8 JB |
3440 | } |
3441 | else | |
7a13e894 RS |
3442 | { |
3443 | struct scroll_bar *bar | |
3444 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3445 | |
7a13e894 RS |
3446 | if (bar) |
3447 | x_scroll_bar_expose (bar, &event); | |
3afe33e7 | 3448 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3449 | else |
3450 | goto OTHER; | |
3afe33e7 | 3451 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3452 | } |
3453 | break; | |
dc6f92b8 | 3454 | |
7a13e894 RS |
3455 | case GraphicsExpose: /* This occurs when an XCopyArea's |
3456 | source area was obscured or not | |
3457 | available.*/ | |
3458 | f = x_window_to_frame (event.xgraphicsexpose.drawable); | |
3459 | if (f) | |
3460 | { | |
3461 | dumprectangle (f, | |
3462 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3463 | event.xgraphicsexpose.width, | |
3464 | event.xgraphicsexpose.height); | |
3465 | } | |
3afe33e7 | 3466 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3467 | else |
3468 | goto OTHER; | |
3afe33e7 | 3469 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3470 | break; |
dc6f92b8 | 3471 | |
7a13e894 RS |
3472 | case NoExpose: /* This occurs when an XCopyArea's |
3473 | source area was completely | |
3474 | available */ | |
3475 | break; | |
dc6f92b8 | 3476 | |
7a13e894 RS |
3477 | case UnmapNotify: |
3478 | f = x_any_window_to_frame (event.xunmap.window); | |
3479 | if (f) /* F may no longer exist if | |
3480 | the frame was deleted. */ | |
3481 | { | |
3482 | /* While a frame is unmapped, display generation is | |
3483 | disabled; you don't want to spend time updating a | |
3484 | display that won't ever be seen. */ | |
3485 | f->async_visible = 0; | |
3486 | /* We can't distinguish, from the event, whether the window | |
3487 | has become iconified or invisible. So assume, if it | |
3488 | was previously visible, than now it is iconified. | |
3489 | We depend on x_make_frame_invisible to mark it iconified. */ | |
3490 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) | |
3491 | f->async_iconified = 1; | |
bddd097c KH |
3492 | |
3493 | bufp->kind = iconify_event; | |
3494 | XSETFRAME (bufp->frame_or_window, f); | |
3495 | bufp++; | |
3496 | count++; | |
3497 | numchars--; | |
7a13e894 | 3498 | } |
3afe33e7 | 3499 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3500 | goto OTHER; |
3afe33e7 | 3501 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3502 | break; |
dc6f92b8 | 3503 | |
7a13e894 RS |
3504 | case MapNotify: |
3505 | /* We use x_top_window_to_frame because map events can come | |
3506 | for subwindows and they don't mean that the frame is visible. */ | |
3507 | f = x_top_window_to_frame (event.xmap.window); | |
3508 | if (f) | |
3509 | { | |
3510 | f->async_visible = 1; | |
3511 | f->async_iconified = 0; | |
dc6f92b8 | 3512 | |
7a13e894 RS |
3513 | /* wait_reading_process_input will notice this and update |
3514 | the frame's display structures. */ | |
3515 | SET_FRAME_GARBAGED (f); | |
bddd097c KH |
3516 | |
3517 | bufp->kind = deiconify_event; | |
3518 | XSETFRAME (bufp->frame_or_window, f); | |
3519 | bufp++; | |
3520 | count++; | |
3521 | numchars--; | |
7a13e894 | 3522 | } |
3afe33e7 | 3523 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3524 | goto OTHER; |
3afe33e7 | 3525 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3526 | break; |
dc6f92b8 | 3527 | |
7a13e894 RS |
3528 | /* Turn off processing if we become fully obscured. */ |
3529 | case VisibilityNotify: | |
3530 | break; | |
dc6f92b8 | 3531 | |
7a13e894 RS |
3532 | case KeyPress: |
3533 | f = x_any_window_to_frame (event.xkey.window); | |
f451eb13 | 3534 | |
7a13e894 RS |
3535 | if (f != 0) |
3536 | { | |
3537 | KeySym keysym, orig_keysym; | |
3538 | /* al%imercury@uunet.uu.net says that making this 81 instead of | |
3539 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3540 | unsigned char copy_buffer[81]; | |
3541 | int modifiers; | |
64bb1782 | 3542 | |
7a13e894 RS |
3543 | event.xkey.state |
3544 | |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3545 | extra_keyboard_modifiers); | |
3546 | modifiers = event.xkey.state; | |
3a2712f9 | 3547 | |
7a13e894 | 3548 | /* This will have to go some day... */ |
752a043f | 3549 | |
7a13e894 RS |
3550 | /* make_lispy_event turns chars into control chars. |
3551 | Don't do it here because XLookupString is too eager. */ | |
3552 | event.xkey.state &= ~ControlMask; | |
0299d313 RS |
3553 | nbytes = XLookupString (&event.xkey, copy_buffer, |
3554 | 80, &keysym, &compose_status); | |
dc6f92b8 | 3555 | |
7a13e894 | 3556 | orig_keysym = keysym; |
55123275 | 3557 | |
7a13e894 RS |
3558 | if (numchars > 1) |
3559 | { | |
3560 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) | |
3561 | || keysym == XK_Delete | |
3562 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3563 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3564 | #ifdef HPUX |
7a13e894 RS |
3565 | /* This recognizes the "extended function keys". |
3566 | It seems there's no cleaner way. | |
3567 | Test IsModifierKey to avoid handling mode_switch | |
3568 | incorrectly. */ | |
3569 | || ((unsigned) (keysym) >= XK_Select | |
3570 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3571 | #endif |
3572 | #ifdef XK_dead_circumflex | |
7a13e894 | 3573 | || orig_keysym == XK_dead_circumflex |
69388238 RS |
3574 | #endif |
3575 | #ifdef XK_dead_grave | |
7a13e894 | 3576 | || orig_keysym == XK_dead_grave |
69388238 RS |
3577 | #endif |
3578 | #ifdef XK_dead_tilde | |
7a13e894 | 3579 | || orig_keysym == XK_dead_tilde |
69388238 RS |
3580 | #endif |
3581 | #ifdef XK_dead_diaeresis | |
7a13e894 | 3582 | || orig_keysym == XK_dead_diaeresis |
69388238 RS |
3583 | #endif |
3584 | #ifdef XK_dead_macron | |
7a13e894 | 3585 | || orig_keysym == XK_dead_macron |
69388238 RS |
3586 | #endif |
3587 | #ifdef XK_dead_degree | |
7a13e894 | 3588 | || orig_keysym == XK_dead_degree |
69388238 RS |
3589 | #endif |
3590 | #ifdef XK_dead_acute | |
7a13e894 | 3591 | || orig_keysym == XK_dead_acute |
69388238 RS |
3592 | #endif |
3593 | #ifdef XK_dead_cedilla | |
7a13e894 | 3594 | || orig_keysym == XK_dead_cedilla |
69388238 RS |
3595 | #endif |
3596 | #ifdef XK_dead_breve | |
7a13e894 | 3597 | || orig_keysym == XK_dead_breve |
69388238 RS |
3598 | #endif |
3599 | #ifdef XK_dead_ogonek | |
7a13e894 | 3600 | || orig_keysym == XK_dead_ogonek |
69388238 RS |
3601 | #endif |
3602 | #ifdef XK_dead_caron | |
7a13e894 | 3603 | || orig_keysym == XK_dead_caron |
69388238 RS |
3604 | #endif |
3605 | #ifdef XK_dead_doubleacute | |
7a13e894 | 3606 | || orig_keysym == XK_dead_doubleacute |
69388238 RS |
3607 | #endif |
3608 | #ifdef XK_dead_abovedot | |
7a13e894 | 3609 | || orig_keysym == XK_dead_abovedot |
c34790e0 | 3610 | #endif |
7a13e894 RS |
3611 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3612 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
3613 | /* Any "vendor-specific" key is ok. */ | |
3614 | || (orig_keysym & (1 << 28))) | |
3615 | && ! (IsModifierKey (orig_keysym) | |
7719aa06 RS |
3616 | #ifndef HAVE_X11R5 |
3617 | #ifdef XK_Mode_switch | |
7a13e894 | 3618 | || ((unsigned)(orig_keysym) == XK_Mode_switch) |
7719aa06 RS |
3619 | #endif |
3620 | #ifdef XK_Num_Lock | |
7a13e894 | 3621 | || ((unsigned)(orig_keysym) == XK_Num_Lock) |
7719aa06 RS |
3622 | #endif |
3623 | #endif /* not HAVE_X11R5 */ | |
7a13e894 | 3624 | )) |
dc6f92b8 | 3625 | { |
10e6549c RS |
3626 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3627 | temp_index = 0; | |
7a13e894 RS |
3628 | temp_buffer[temp_index++] = keysym; |
3629 | bufp->kind = non_ascii_keystroke; | |
3630 | bufp->code = keysym; | |
e0c1aef2 | 3631 | XSETFRAME (bufp->frame_or_window, f); |
334208b7 RS |
3632 | bufp->modifiers |
3633 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3634 | modifiers); | |
1113d9db | 3635 | bufp->timestamp = event.xkey.time; |
dc6f92b8 | 3636 | bufp++; |
7a13e894 RS |
3637 | count++; |
3638 | numchars--; | |
dc6f92b8 | 3639 | } |
7a13e894 RS |
3640 | else if (numchars > nbytes) |
3641 | { | |
3642 | register int i; | |
3643 | ||
3644 | for (i = 0; i < nbytes; i++) | |
3645 | { | |
3646 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
3647 | temp_index = 0; | |
3648 | temp_buffer[temp_index++] = copy_buffer[i]; | |
3649 | bufp->kind = ascii_keystroke; | |
3650 | bufp->code = copy_buffer[i]; | |
3651 | XSETFRAME (bufp->frame_or_window, f); | |
3652 | bufp->modifiers | |
3653 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3654 | modifiers); | |
3655 | bufp->timestamp = event.xkey.time; | |
3656 | bufp++; | |
3657 | } | |
3658 | ||
3659 | count += nbytes; | |
3660 | numchars -= nbytes; | |
3661 | } | |
3662 | else | |
3663 | abort (); | |
dc6f92b8 | 3664 | } |
10e6549c RS |
3665 | else |
3666 | abort (); | |
dc6f92b8 | 3667 | } |
7a13e894 | 3668 | break; |
f451eb13 | 3669 | |
7a13e894 RS |
3670 | /* Here's a possible interpretation of the whole |
3671 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3672 | FocusIn event, you have to get a FocusOut event before you | |
3673 | relinquish the focus. If you haven't received a FocusIn event, | |
3674 | then a mere LeaveNotify is enough to free you. */ | |
f451eb13 | 3675 | |
7a13e894 RS |
3676 | case EnterNotify: |
3677 | f = x_any_window_to_frame (event.xcrossing.window); | |
6d4238f3 | 3678 | |
7a13e894 | 3679 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3680 | { |
7a13e894 RS |
3681 | /* Avoid nasty pop/raise loops. */ |
3682 | if (f && (!(f->auto_raise) | |
3683 | || !(f->auto_lower) | |
3684 | || (event.xcrossing.time - enter_timestamp) > 500)) | |
3685 | { | |
3686 | x_new_focus_frame (f); | |
3687 | enter_timestamp = event.xcrossing.time; | |
3688 | } | |
dc6f92b8 | 3689 | } |
7a13e894 RS |
3690 | else if (f == x_focus_frame) |
3691 | x_new_focus_frame (0); | |
3692 | /* EnterNotify counts as mouse movement, | |
3693 | so update things that depend on mouse position. */ | |
3694 | if (f) | |
3695 | note_mouse_movement (f, &event.xmotion); | |
3afe33e7 | 3696 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3697 | goto OTHER; |
3afe33e7 | 3698 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3699 | break; |
dc6f92b8 | 3700 | |
7a13e894 RS |
3701 | case FocusIn: |
3702 | f = x_any_window_to_frame (event.xfocus.window); | |
3703 | if (event.xfocus.detail != NotifyPointer) | |
3704 | x_focus_event_frame = f; | |
3705 | if (f) | |
3706 | x_new_focus_frame (f); | |
3afe33e7 | 3707 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3708 | goto OTHER; |
3afe33e7 | 3709 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3710 | break; |
f451eb13 | 3711 | |
10c5e63d | 3712 | |
7a13e894 RS |
3713 | case LeaveNotify: |
3714 | f = x_top_window_to_frame (event.xcrossing.window); | |
3715 | if (f) | |
10c5e63d | 3716 | { |
7a13e894 RS |
3717 | if (f == dpyinfo->mouse_face_mouse_frame) |
3718 | /* If we move outside the frame, | |
3719 | then we're certainly no longer on any text in the frame. */ | |
3720 | clear_mouse_face (dpyinfo); | |
3721 | ||
3722 | if (event.xcrossing.focus) | |
37c2c98b | 3723 | x_mouse_leave (); |
10c5e63d | 3724 | else |
7a13e894 RS |
3725 | { |
3726 | if (f == x_focus_event_frame) | |
3727 | x_focus_event_frame = 0; | |
3728 | if (f == x_focus_frame) | |
3729 | x_new_focus_frame (0); | |
3730 | } | |
10c5e63d | 3731 | } |
3afe33e7 | 3732 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3733 | goto OTHER; |
3afe33e7 | 3734 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3735 | break; |
dc6f92b8 | 3736 | |
7a13e894 RS |
3737 | case FocusOut: |
3738 | f = x_any_window_to_frame (event.xfocus.window); | |
3739 | if (event.xfocus.detail != NotifyPointer | |
3740 | && f == x_focus_event_frame) | |
3741 | x_focus_event_frame = 0; | |
3742 | if (f && f == x_focus_frame) | |
3743 | x_new_focus_frame (0); | |
3afe33e7 | 3744 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3745 | goto OTHER; |
3afe33e7 | 3746 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3747 | break; |
dc6f92b8 | 3748 | |
7a13e894 | 3749 | case MotionNotify: |
dc6f92b8 | 3750 | { |
7a13e894 RS |
3751 | if (dpyinfo->grabbed && last_mouse_frame |
3752 | && FRAME_LIVE_P (last_mouse_frame)) | |
3753 | f = last_mouse_frame; | |
3754 | else | |
3755 | f = x_window_to_frame (event.xmotion.window); | |
3756 | if (f) | |
3757 | note_mouse_movement (f, &event.xmotion); | |
3758 | else | |
3759 | { | |
3760 | struct scroll_bar *bar | |
3761 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 | 3762 | |
7a13e894 RS |
3763 | if (bar) |
3764 | x_scroll_bar_note_movement (bar, &event); | |
b8009dd1 | 3765 | |
7a13e894 RS |
3766 | /* If we move outside the frame, |
3767 | then we're certainly no longer on any text in the frame. */ | |
3768 | clear_mouse_face (dpyinfo); | |
3769 | } | |
dc6f92b8 | 3770 | } |
0a178815 | 3771 | #if 0 /* This should be unnecessary, since the toolkit has no use |
7a13e894 RS |
3772 | for motion events that happen outside of the menu event loop, |
3773 | and it seems to cause the bug that mouse events stop coming | |
3774 | after a while. */ | |
3afe33e7 | 3775 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3776 | goto OTHER; |
3afe33e7 | 3777 | #endif /* USE_X_TOOLKIT */ |
0a178815 | 3778 | #endif |
7a13e894 | 3779 | break; |
dc6f92b8 | 3780 | |
7a13e894 RS |
3781 | case ConfigureNotify: |
3782 | f = x_any_window_to_frame (event.xconfigure.window); | |
3afe33e7 | 3783 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3784 | if (f |
3a35ab44 | 3785 | #if 0 |
7a13e894 | 3786 | && ! event.xconfigure.send_event |
3a35ab44 | 3787 | #endif |
7a13e894 | 3788 | && (event.xconfigure.window == XtWindow (f->display.x->widget))) |
af395ec1 RS |
3789 | { |
3790 | Window win, child; | |
3791 | int win_x, win_y; | |
3792 | ||
6cc35d86 JB |
3793 | /* Find the position of the outside upper-left corner of |
3794 | the window, in the root coordinate system. Don't | |
3795 | refer to the parent window here; we may be processing | |
3796 | this event after the window manager has changed our | |
3797 | parent, but before we have reached the ReparentNotify. */ | |
334208b7 | 3798 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
58769bee | 3799 | |
af395ec1 | 3800 | /* From-window, to-window. */ |
7a13e894 | 3801 | XtWindow (f->display.x->widget), |
334208b7 | 3802 | FRAME_X_DISPLAY_INFO (f)->root_window, |
af395ec1 RS |
3803 | |
3804 | /* From-position, to-position. */ | |
6cc35d86 JB |
3805 | -event.xconfigure.border_width, |
3806 | -event.xconfigure.border_width, | |
af395ec1 RS |
3807 | &win_x, &win_y, |
3808 | ||
3809 | /* Child of win. */ | |
3810 | &child); | |
3811 | event.xconfigure.x = win_x; | |
3812 | event.xconfigure.y = win_y; | |
7a13e894 RS |
3813 | |
3814 | f->display.x->pixel_width = event.xconfigure.width; | |
3815 | f->display.x->pixel_height = event.xconfigure.height; | |
3816 | f->display.x->left_pos = event.xconfigure.x; | |
3817 | f->display.x->top_pos = event.xconfigure.y; | |
3818 | ||
3819 | /* What we have now is the position of Emacs's own window. | |
3820 | Convert that to the position of the window manager window. */ | |
3821 | { | |
3822 | int x, y; | |
3823 | x_real_positions (f, &x, &y); | |
3824 | f->display.x->left_pos = x; | |
3825 | f->display.x->top_pos = y; | |
3826 | } | |
af395ec1 | 3827 | } |
7a13e894 RS |
3828 | goto OTHER; |
3829 | #else /* not USE_X_TOOLKIT */ | |
3830 | if (f) | |
3831 | { | |
3832 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3833 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3834 | ||
3835 | /* Even if the number of character rows and columns has | |
3836 | not changed, the font size may have changed, so we need | |
3837 | to check the pixel dimensions as well. */ | |
3838 | if (columns != f->width | |
3839 | || rows != f->height | |
3840 | || event.xconfigure.width != f->display.x->pixel_width | |
3841 | || event.xconfigure.height != f->display.x->pixel_height) | |
3842 | { | |
3843 | change_frame_size (f, rows, columns, 0, 1); | |
3844 | SET_FRAME_GARBAGED (f); | |
3845 | } | |
af395ec1 | 3846 | |
7a13e894 RS |
3847 | if (! event.xconfigure.send_event) |
3848 | { | |
3849 | Window win, child; | |
3850 | int win_x, win_y; | |
3851 | ||
3852 | /* Find the position of the outside upper-left corner of | |
3853 | the window, in the root coordinate system. Don't | |
3854 | refer to the parent window here; we may be processing | |
3855 | this event after the window manager has changed our | |
3856 | parent, but before we have reached the ReparentNotify. */ | |
3857 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
3858 | ||
3859 | /* From-window, to-window. */ | |
3860 | f->display.x->window_desc, | |
3861 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
3862 | ||
3863 | /* From-position, to-position. */ | |
3864 | -event.xconfigure.border_width, | |
3865 | -event.xconfigure.border_width, | |
3866 | &win_x, &win_y, | |
3867 | ||
3868 | /* Child of win. */ | |
3869 | &child); | |
3870 | event.xconfigure.x = win_x; | |
3871 | event.xconfigure.y = win_y; | |
3872 | } | |
3a35ab44 | 3873 | |
7a13e894 RS |
3874 | f->display.x->pixel_width = event.xconfigure.width; |
3875 | f->display.x->pixel_height = event.xconfigure.height; | |
3876 | f->display.x->left_pos = event.xconfigure.x; | |
3877 | f->display.x->top_pos = event.xconfigure.y; | |
3878 | ||
3879 | /* What we have now is the position of Emacs's own window. | |
3880 | Convert that to the position of the window manager window. */ | |
fd13dbb2 | 3881 | { |
7a13e894 RS |
3882 | int x, y; |
3883 | x_real_positions (f, &x, &y); | |
3884 | f->display.x->left_pos = x; | |
3885 | f->display.x->top_pos = y; | |
3886 | if (y != event.xconfigure.y) | |
3887 | { | |
3888 | /* Since the WM decorations come below top_pos now, | |
3889 | we must put them below top_pos in the future. */ | |
3890 | f->display.x->win_gravity = NorthWestGravity; | |
3891 | x_wm_set_size_hint (f, 0, 0); | |
3892 | } | |
fd13dbb2 | 3893 | } |
7a13e894 | 3894 | } |
3afe33e7 | 3895 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 | 3896 | break; |
dc6f92b8 | 3897 | |
7a13e894 RS |
3898 | case ButtonPress: |
3899 | case ButtonRelease: | |
3900 | { | |
3901 | /* If we decide we want to generate an event to be seen | |
3902 | by the rest of Emacs, we put it here. */ | |
3903 | struct input_event emacs_event; | |
3904 | emacs_event.kind = no_event; | |
dc6f92b8 | 3905 | |
7a13e894 | 3906 | bzero (&compose_status, sizeof (compose_status)); |
9b07615b | 3907 | |
9f67f20b RS |
3908 | if (dpyinfo->grabbed && last_mouse_frame |
3909 | && FRAME_LIVE_P (last_mouse_frame)) | |
3910 | f = last_mouse_frame; | |
3911 | else | |
3912 | f = x_window_to_frame (event.xmotion.window); | |
3913 | ||
7a13e894 RS |
3914 | if (f) |
3915 | { | |
3916 | if (!x_focus_frame || (f == x_focus_frame)) | |
3917 | construct_mouse_click (&emacs_event, &event, f); | |
3918 | } | |
3919 | else | |
3920 | { | |
3921 | struct scroll_bar *bar | |
3922 | = x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 | 3923 | |
7a13e894 RS |
3924 | if (bar) |
3925 | x_scroll_bar_handle_click (bar, &event, &emacs_event); | |
3afe33e7 | 3926 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3927 | else |
3928 | { | |
3929 | /* Assume we have a menubar button press. A bad | |
3930 | assumption should behave benignly. */ | |
3931 | popup_get_selection (&event); | |
3932 | break; | |
3933 | } | |
3934 | #endif /* USE_X_TOOLKIT */ | |
3935 | } | |
3936 | ||
3937 | if (event.type == ButtonPress) | |
3938 | { | |
3939 | dpyinfo->grabbed |= (1 << event.xbutton.button); | |
3940 | last_mouse_frame = f; | |
3941 | } | |
3afe33e7 RS |
3942 | else |
3943 | { | |
7a13e894 | 3944 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); |
3afe33e7 | 3945 | } |
23faf38f | 3946 | |
7a13e894 RS |
3947 | if (numchars >= 1 && emacs_event.kind != no_event) |
3948 | { | |
3949 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3950 | bufp++; | |
3951 | count++; | |
3952 | numchars--; | |
3953 | } | |
3afe33e7 RS |
3954 | |
3955 | #ifdef USE_X_TOOLKIT | |
7a13e894 | 3956 | goto OTHER; |
3afe33e7 | 3957 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3958 | } |
3959 | break; | |
dc6f92b8 | 3960 | |
7a13e894 RS |
3961 | case CirculateNotify: |
3962 | break; | |
3963 | case CirculateRequest: | |
3964 | break; | |
dc6f92b8 | 3965 | |
7a13e894 RS |
3966 | case MappingNotify: |
3967 | /* Someone has changed the keyboard mapping - update the | |
3968 | local cache. */ | |
3969 | switch (event.xmapping.request) | |
3970 | { | |
3971 | case MappingModifier: | |
3972 | x_find_modifier_meanings (dpyinfo); | |
3973 | /* This is meant to fall through. */ | |
3974 | case MappingKeyboard: | |
3975 | XRefreshKeyboardMapping (&event.xmapping); | |
3976 | } | |
3afe33e7 | 3977 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3978 | goto OTHER; |
3afe33e7 | 3979 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3980 | break; |
dc6f92b8 | 3981 | |
7a13e894 | 3982 | default: |
3afe33e7 | 3983 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3984 | OTHER: |
3985 | BLOCK_INPUT; | |
3986 | XtDispatchEvent (&event); | |
3987 | UNBLOCK_INPUT; | |
3afe33e7 | 3988 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3989 | break; |
3990 | } | |
dc6f92b8 JB |
3991 | } |
3992 | } | |
3993 | ||
9a5196d0 RS |
3994 | /* On some systems, an X bug causes Emacs to get no more events |
3995 | when the window is destroyed. Detect that. (1994.) */ | |
58769bee | 3996 | if (! event_found) |
ef2a22d0 | 3997 | { |
ef2a22d0 RS |
3998 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. |
3999 | One XNOOP in 100 loops will make Emacs terminate. | |
4000 | B. Bretthauer, 1994 */ | |
4001 | x_noop_count++; | |
58769bee | 4002 | if (x_noop_count >= 100) |
ef2a22d0 RS |
4003 | { |
4004 | x_noop_count=0; | |
7a13e894 RS |
4005 | /* Use the first display in the list. Why not? */ |
4006 | XNoOp (x_display_list->display); | |
ef2a22d0 RS |
4007 | } |
4008 | } | |
502add23 | 4009 | |
0134a210 RS |
4010 | /* If the focus was just given to an autoraising frame, |
4011 | raise it now. */ | |
7a13e894 | 4012 | /* ??? This ought to be able to handle more than one such frame. */ |
0134a210 RS |
4013 | if (pending_autoraise_frame) |
4014 | { | |
4015 | x_raise_frame (pending_autoraise_frame); | |
4016 | pending_autoraise_frame = 0; | |
4017 | } | |
0134a210 | 4018 | |
dc6f92b8 JB |
4019 | UNBLOCK_INPUT; |
4020 | return count; | |
4021 | } | |
dc6f92b8 | 4022 | \f |
f451eb13 JB |
4023 | /* Drawing the cursor. */ |
4024 | ||
4025 | ||
dc6f92b8 JB |
4026 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
4027 | ||
4028 | static void | |
f676886a JB |
4029 | x_draw_box (f) |
4030 | struct frame *f; | |
dc6f92b8 | 4031 | { |
2a6cf806 RS |
4032 | int left = CHAR_TO_PIXEL_COL (f, curs_x); |
4033 | int top = CHAR_TO_PIXEL_ROW (f, curs_y); | |
f676886a | 4034 | int width = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 4035 | int height = f->display.x->line_height; |
dc6f92b8 | 4036 | |
334208b7 | 4037 | XDrawRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4038 | f->display.x->cursor_gc, |
dc6f92b8 | 4039 | left, top, width - 1, height - 1); |
dc6f92b8 JB |
4040 | } |
4041 | ||
f676886a | 4042 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4043 | and mark the cursor as not shown. |
4044 | This is used when the text where the cursor is | |
4045 | is about to be rewritten. */ | |
4046 | ||
4047 | static void | |
f676886a JB |
4048 | clear_cursor (f) |
4049 | struct frame *f; | |
dc6f92b8 JB |
4050 | { |
4051 | int mask; | |
4052 | ||
f451eb13 | 4053 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4054 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4055 | return; |
4056 | ||
f676886a | 4057 | x_display_cursor (f, 0); |
f676886a | 4058 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4059 | } |
4060 | ||
f676886a | 4061 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4062 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4063 | glyph drawn. */ | |
dc6f92b8 JB |
4064 | |
4065 | static void | |
f676886a JB |
4066 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4067 | struct frame *f; | |
dc6f92b8 | 4068 | int row, column; |
90e65f07 | 4069 | GLYPH glyph; |
dc6f92b8 JB |
4070 | int highlight; |
4071 | { | |
f676886a | 4072 | dumpglyphs (f, |
12ba150f JB |
4073 | CHAR_TO_PIXEL_COL (f, column), |
4074 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4075 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4076 | } |
4077 | ||
dc6f92b8 | 4078 | static void |
dbc4e1c1 | 4079 | x_display_bar_cursor (f, on) |
f676886a | 4080 | struct frame *f; |
dc6f92b8 JB |
4081 | int on; |
4082 | { | |
f676886a | 4083 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4084 | |
49d838ea JB |
4085 | /* This is pointless on invisible frames, and dangerous on garbaged |
4086 | frames; in the latter case, the frame may be in the midst of | |
4087 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4088 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
4089 | return; |
4090 | ||
4091 | if (! on && f->phys_cursor_x < 0) | |
4092 | return; | |
4093 | ||
f676886a | 4094 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 4095 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 4096 | if (f != updating_frame) |
1113d9db | 4097 | { |
f676886a JB |
4098 | curs_x = FRAME_CURSOR_X (f); |
4099 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
4100 | } |
4101 | ||
dbc4e1c1 JB |
4102 | /* If there is anything wrong with the current cursor state, remove it. */ |
4103 | if (f->phys_cursor_x >= 0 | |
4104 | && (!on | |
4105 | || f->phys_cursor_x != curs_x | |
4106 | || f->phys_cursor_y != curs_y | |
4107 | || f->display.x->current_cursor != bar_cursor)) | |
4108 | { | |
4109 | /* Erase the cursor by redrawing the character underneath it. */ | |
4110 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4111 | f->phys_cursor_glyph, | |
4112 | current_glyphs->highlight[f->phys_cursor_y]); | |
4113 | f->phys_cursor_x = -1; | |
4114 | } | |
4115 | ||
4116 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4117 | if (on | |
4118 | && (f->phys_cursor_x < 0 | |
4119 | || (f->display.x->current_cursor != bar_cursor))) | |
4120 | { | |
4121 | f->phys_cursor_glyph | |
4122 | = ((current_glyphs->enable[curs_y] | |
4123 | && curs_x < current_glyphs->used[curs_y]) | |
4124 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4125 | : SPACEGLYPH); | |
334208b7 | 4126 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
4127 | f->display.x->cursor_gc, |
4128 | CHAR_TO_PIXEL_COL (f, curs_x), | |
4129 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
a27f9f86 | 4130 | 1, f->display.x->line_height); |
dbc4e1c1 JB |
4131 | |
4132 | f->phys_cursor_x = curs_x; | |
4133 | f->phys_cursor_y = curs_y; | |
4134 | ||
4135 | f->display.x->current_cursor = bar_cursor; | |
4136 | } | |
4137 | ||
4138 | if (updating_frame != f) | |
334208b7 | 4139 | XFlush (FRAME_X_DISPLAY (f)); |
dbc4e1c1 JB |
4140 | } |
4141 | ||
4142 | ||
4143 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4144 | If ON is nonzero, where to put the cursor is specified | |
4145 | by F->cursor_x and F->cursor_y. */ | |
4146 | ||
4147 | static void | |
4148 | x_display_box_cursor (f, on) | |
4149 | struct frame *f; | |
4150 | int on; | |
4151 | { | |
4152 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4153 | ||
49d838ea JB |
4154 | /* This is pointless on invisible frames, and dangerous on garbaged |
4155 | frames; in the latter case, the frame may be in the midst of | |
4156 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4157 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
4158 | return; |
4159 | ||
4160 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4161 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4162 | return; |
4163 | ||
dbc4e1c1 JB |
4164 | /* If we're not updating, then we want to use the current frame's |
4165 | cursor position, not our local idea of where the cursor ought to be. */ | |
4166 | if (f != updating_frame) | |
4167 | { | |
4168 | curs_x = FRAME_CURSOR_X (f); | |
4169 | curs_y = FRAME_CURSOR_Y (f); | |
4170 | } | |
4171 | ||
dc6f92b8 JB |
4172 | /* If cursor is currently being shown and we don't want it to be |
4173 | or it is in the wrong place, | |
4174 | or we want a hollow box and it's not so, (pout!) | |
4175 | erase it. */ | |
f676886a | 4176 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4177 | && (!on |
f676886a JB |
4178 | || f->phys_cursor_x != curs_x |
4179 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 4180 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 4181 | && (f != x_highlight_frame)))) |
dc6f92b8 | 4182 | { |
79cf7456 | 4183 | int mouse_face_here = 0; |
9f67f20b | 4184 | struct frame_glyphs *active_glyphs = FRAME_CURRENT_GLYPHS (f); |
79cf7456 RS |
4185 | |
4186 | /* If the cursor is in the mouse face area, redisplay that when | |
4187 | we clear the cursor. */ | |
7a13e894 | 4188 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame |
79cf7456 | 4189 | && |
7a13e894 RS |
4190 | (f->phys_cursor_y > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
4191 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
4192 | && f->phys_cursor_x >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col)) | |
79cf7456 | 4193 | && |
7a13e894 RS |
4194 | (f->phys_cursor_y < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row |
4195 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
9f67f20b RS |
4196 | && f->phys_cursor_x < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col)) |
4197 | /* Don't redraw the cursor's spot in mouse face | |
4198 | if it is at the end of a line (on a newline). | |
4199 | The cursor appears there, but mouse highlighting does not. */ | |
4200 | && active_glyphs->used[f->phys_cursor_y] > f->phys_cursor_x) | |
79cf7456 RS |
4201 | mouse_face_here = 1; |
4202 | ||
0cdd0c9f RS |
4203 | /* If the font is not as tall as a whole line, |
4204 | we must explicitly clear the line's whole height. */ | |
4205 | if (FONT_HEIGHT (f->display.x->font) != f->display.x->line_height) | |
334208b7 | 4206 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
4207 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4208 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
4209 | FONT_WIDTH (f->display.x->font), | |
4210 | f->display.x->line_height, False); | |
dc6f92b8 | 4211 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4212 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4213 | f->phys_cursor_glyph, | |
79cf7456 RS |
4214 | (mouse_face_here |
4215 | ? 3 | |
4216 | : current_glyphs->highlight[f->phys_cursor_y])); | |
f676886a | 4217 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4218 | } |
4219 | ||
4220 | /* If we want to show a cursor, | |
4221 | or we want a box cursor and it's not so, | |
4222 | write it in the right place. */ | |
4223 | if (on | |
f676886a | 4224 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 4225 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 4226 | && f == x_highlight_frame))) |
dc6f92b8 | 4227 | { |
f676886a | 4228 | f->phys_cursor_glyph |
1113d9db JB |
4229 | = ((current_glyphs->enable[curs_y] |
4230 | && curs_x < current_glyphs->used[curs_y]) | |
4231 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 4232 | : SPACEGLYPH); |
f676886a | 4233 | if (f != x_highlight_frame) |
dc6f92b8 | 4234 | { |
f676886a | 4235 | x_draw_box (f); |
dbc4e1c1 | 4236 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4237 | } |
4238 | else | |
4239 | { | |
f676886a JB |
4240 | x_draw_single_glyph (f, curs_y, curs_x, |
4241 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 4242 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4243 | } |
4244 | ||
f676886a JB |
4245 | f->phys_cursor_x = curs_x; |
4246 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
4247 | } |
4248 | ||
f676886a | 4249 | if (updating_frame != f) |
334208b7 | 4250 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4251 | } |
4252 | ||
f676886a JB |
4253 | x_display_cursor (f, on) |
4254 | struct frame *f; | |
dc6f92b8 JB |
4255 | int on; |
4256 | { | |
f94397b5 KH |
4257 | BLOCK_INPUT; |
4258 | ||
dbc4e1c1 | 4259 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 4260 | x_display_box_cursor (f, on); |
dbc4e1c1 | 4261 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 4262 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
4263 | else |
4264 | /* Those are the only two we have implemented! */ | |
4265 | abort (); | |
f94397b5 KH |
4266 | |
4267 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4268 | } |
4269 | \f | |
4270 | /* Icons. */ | |
4271 | ||
f676886a | 4272 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4273 | when we get an expose event for it. */ |
4274 | ||
f676886a JB |
4275 | refreshicon (f) |
4276 | struct frame *f; | |
dc6f92b8 | 4277 | { |
dc6f92b8 | 4278 | /* Normally, the window manager handles this function. */ |
dc6f92b8 JB |
4279 | } |
4280 | ||
dbc4e1c1 | 4281 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4282 | |
4283 | int | |
990ba854 | 4284 | x_bitmap_icon (f, file) |
f676886a | 4285 | struct frame *f; |
990ba854 | 4286 | Lisp_Object file; |
dc6f92b8 | 4287 | { |
7f2ae036 | 4288 | int mask, bitmap_id; |
dc6f92b8 JB |
4289 | Window icon_window; |
4290 | ||
c118dd06 | 4291 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4292 | return 1; |
4293 | ||
990ba854 RS |
4294 | /* Free up our existing icon bitmap if any. */ |
4295 | if (f->display.x->icon_bitmap > 0) | |
4296 | x_destroy_bitmap (f, f->display.x->icon_bitmap); | |
4297 | f->display.x->icon_bitmap = 0; | |
4298 | ||
4299 | if (STRINGP (file)) | |
7f2ae036 RS |
4300 | bitmap_id = x_create_bitmap_from_file (f, file); |
4301 | else | |
4302 | { | |
990ba854 | 4303 | /* Create the GNU bitmap if necessary. */ |
334208b7 RS |
4304 | if (!FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id < 0) |
4305 | FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id | |
4306 | = x_create_bitmap_from_data (f, gnu_bits, | |
4307 | gnu_width, gnu_height); | |
990ba854 RS |
4308 | |
4309 | /* The first time we create the GNU bitmap, | |
4310 | this increments the refcount one extra time. | |
4311 | As a result, the GNU bitmap is never freed. | |
4312 | That way, we don't have to worry about allocating it again. */ | |
334208b7 | 4313 | x_reference_bitmap (f, FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id); |
990ba854 | 4314 | |
334208b7 | 4315 | bitmap_id = FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id; |
7f2ae036 RS |
4316 | } |
4317 | ||
4318 | x_wm_set_icon_pixmap (f, bitmap_id); | |
4319 | f->display.x->icon_bitmap = bitmap_id; | |
dc6f92b8 JB |
4320 | |
4321 | return 0; | |
4322 | } | |
4323 | ||
4324 | ||
f676886a | 4325 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
4326 | |
4327 | int | |
f676886a JB |
4328 | x_text_icon (f, icon_name) |
4329 | struct frame *f; | |
dc6f92b8 JB |
4330 | char *icon_name; |
4331 | { | |
c118dd06 | 4332 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4333 | return 1; |
4334 | ||
dc6f92b8 | 4335 | if (icon_name) |
f676886a | 4336 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 4337 | else |
f676886a JB |
4338 | if (! f->display.x->icon_label) |
4339 | f->display.x->icon_label = " *emacs* "; | |
58769bee | 4340 | |
dfeccd2d | 4341 | #if 0 |
334208b7 | 4342 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4343 | (char *) f->display.x->icon_label); |
dfeccd2d | 4344 | #endif |
58769bee | 4345 | |
990ba854 RS |
4346 | if (f->display.x->icon_bitmap > 0) |
4347 | x_destroy_bitmap (f, f->display.x->icon_bitmap); | |
7f2ae036 | 4348 | f->display.x->icon_bitmap = 0; |
b1c884c3 | 4349 | x_wm_set_icon_pixmap (f, 0); |
dc6f92b8 JB |
4350 | |
4351 | return 0; | |
4352 | } | |
4353 | \f | |
4746118a JB |
4354 | /* Handling X errors. */ |
4355 | ||
7a13e894 | 4356 | /* Handle the loss of connection to display DISPLAY. */ |
16bd92ea | 4357 | |
4746118a | 4358 | static SIGTYPE |
7a13e894 RS |
4359 | x_connection_closed (display, error_message) |
4360 | Display *display; | |
4361 | char *error_message; | |
4746118a | 4362 | { |
7a13e894 RS |
4363 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
4364 | Lisp_Object frame, tail; | |
4365 | ||
4746118a JB |
4366 | if (_Xdebug) |
4367 | abort (); | |
12ba150f | 4368 | |
7a13e894 RS |
4369 | /* First delete frames whose minibuffers are on frames |
4370 | that are on the dead display. */ | |
4371 | FOR_EACH_FRAME (tail, frame) | |
4372 | { | |
4373 | Lisp_Object minibuf_frame; | |
4374 | minibuf_frame | |
4375 | = WINDOW_FRAME (XWINDOW (FRAME_MINIBUF_WINDOW (XFRAME (frame)))); | |
4376 | if (! EQ (frame, minibuf_frame) | |
4377 | && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
4378 | Fdelete_frame (frame, Qt); | |
4379 | } | |
4380 | ||
4381 | /* Now delete all remaining frames on the dead display. | |
4382 | We are now sure none of these is used as the minibuffer | |
4383 | for another frame that we need to delete. */ | |
4384 | FOR_EACH_FRAME (tail, frame) | |
4385 | if (FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
4386 | Fdelete_frame (frame, Qt); | |
4387 | ||
4388 | x_delete_display (dpyinfo); | |
4389 | ||
4390 | if (x_display_list == 0) | |
4391 | { | |
4392 | fprintf (stderr, "%s", error_message); | |
4393 | shut_down_emacs (0, 0, Qnil); | |
4394 | exit (70); | |
4395 | } | |
12ba150f | 4396 | |
7a13e894 RS |
4397 | /* Ordinary stack unwind doesn't deal with these. */ |
4398 | #ifdef SIGIO | |
4399 | sigunblock (sigmask (SIGIO)); | |
4400 | #endif | |
4401 | sigunblock (sigmask (SIGALRM)); | |
4402 | TOTALLY_UNBLOCK_INPUT; | |
4403 | ||
4404 | error ("%s", error_message); | |
4746118a JB |
4405 | } |
4406 | ||
7a13e894 RS |
4407 | /* This is the usual handler for X protocol errors. |
4408 | It kills all frames on the display that we got the error for. | |
4409 | If that was the only one, it prints an error message and kills Emacs. */ | |
4410 | ||
c118dd06 JB |
4411 | static int |
4412 | x_error_quitter (display, error) | |
4413 | Display *display; | |
4414 | XErrorEvent *error; | |
4415 | { | |
7a13e894 | 4416 | char buf[256], buf1[356]; |
dc6f92b8 | 4417 | |
58769bee | 4418 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 4419 | original error handler. */ |
dc6f92b8 | 4420 | |
c118dd06 | 4421 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
7a13e894 | 4422 | sprintf (buf1, "X protocol error: %s on protocol request %d", |
c118dd06 | 4423 | buf, error->request_code); |
7a13e894 | 4424 | x_connection_closed (display, buf1); |
dc6f92b8 JB |
4425 | } |
4426 | ||
7a13e894 RS |
4427 | /* This is the handler for X IO errors, always. |
4428 | It kills all frames on the display that we lost touch with. | |
4429 | If that was the only one, it prints an error message and kills Emacs. */ | |
4430 | ||
8922af5f JB |
4431 | static int |
4432 | x_io_error_quitter (display) | |
4433 | Display *display; | |
4434 | { | |
7a13e894 | 4435 | char buf[256]; |
8922af5f | 4436 | |
7a13e894 RS |
4437 | sprintf (buf, "Connection lost to X server `%s'", DisplayString (display)); |
4438 | x_connection_closed (display, buf); | |
8922af5f | 4439 | } |
7a13e894 | 4440 | \f |
c118dd06 | 4441 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4442 | static char *x_caught_error_message; |
4443 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4444 | |
4445 | /* An X error handler which stores the error message in | |
4446 | x_caught_error_message. This is what's installed when | |
4447 | x_catch_errors is in effect. */ | |
7a13e894 | 4448 | |
c118dd06 JB |
4449 | static int |
4450 | x_error_catcher (display, error) | |
4451 | Display *display; | |
4452 | XErrorEvent *error; | |
4453 | { | |
4454 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4455 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4456 | } |
4457 | ||
4458 | ||
7a13e894 RS |
4459 | /* Begin trapping X errors for display DPY. Actually we trap X errors |
4460 | for all displays, but DPY should be the display you are actually | |
4461 | operating on. | |
dc6f92b8 | 4462 | |
c118dd06 JB |
4463 | After calling this function, X protocol errors no longer cause |
4464 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4465 | |
c118dd06 JB |
4466 | Calling x_check_errors signals an Emacs error if an X error has |
4467 | occurred since the last call to x_catch_errors or x_check_errors. | |
4468 | ||
4469 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4470 | ||
bc20ebbf | 4471 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4472 | |
4473 | void | |
7a13e894 RS |
4474 | x_catch_errors (dpy) |
4475 | Display *dpy; | |
dc6f92b8 | 4476 | { |
c118dd06 | 4477 | /* Make sure any errors from previous requests have been dealt with. */ |
7a13e894 | 4478 | XSync (dpy, False); |
dc6f92b8 | 4479 | |
c118dd06 | 4480 | /* Set up the error buffer. */ |
60f9aad3 | 4481 | x_caught_error_message |
cef13e55 RS |
4482 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4483 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4484 | |
c118dd06 | 4485 | /* Install our little error handler. */ |
334208b7 | 4486 | XSetErrorHandler (x_error_catcher); |
c118dd06 | 4487 | } |
16bd92ea | 4488 | |
c118dd06 JB |
4489 | /* If any X protocol errors have arrived since the last call to |
4490 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4491 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4492 | |
c118dd06 | 4493 | void |
7a13e894 RS |
4494 | x_check_errors (dpy, format) |
4495 | Display *dpy; | |
c118dd06 JB |
4496 | char *format; |
4497 | { | |
4498 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4499 | XSync (dpy, False); |
16bd92ea | 4500 | |
cef13e55 | 4501 | if (x_caught_error_message[0]) |
c118dd06 | 4502 | { |
cef13e55 | 4503 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4504 | |
cef13e55 | 4505 | sprintf (buf, format, x_caught_error_message); |
7a13e894 | 4506 | x_uncatch_errors (dpy); |
c118dd06 JB |
4507 | error (buf); |
4508 | } | |
4509 | } | |
4510 | ||
b849c413 RS |
4511 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4512 | ||
4513 | int | |
7a13e894 RS |
4514 | x_had_errors_p (dpy) |
4515 | Display *dpy; | |
b849c413 RS |
4516 | { |
4517 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4518 | XSync (dpy, False); |
b849c413 RS |
4519 | |
4520 | return x_caught_error_message[0] != 0; | |
4521 | } | |
4522 | ||
812361a1 RS |
4523 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4524 | ||
c118dd06 | 4525 | void |
7a13e894 RS |
4526 | x_uncatch_errors (dpy) |
4527 | Display *dpy; | |
c118dd06 | 4528 | { |
9ac0d9e0 | 4529 | xfree (x_caught_error_message); |
cef13e55 | 4530 | x_caught_error_message = 0; |
334208b7 | 4531 | XSetErrorHandler (x_error_quitter); |
dc6f92b8 JB |
4532 | } |
4533 | ||
dc6f92b8 JB |
4534 | #if 0 |
4535 | static unsigned int x_wire_count; | |
4536 | x_trace_wire () | |
4537 | { | |
4538 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4539 | } | |
c118dd06 | 4540 | #endif /* ! 0 */ |
dc6f92b8 JB |
4541 | |
4542 | \f | |
f451eb13 JB |
4543 | /* Changing the font of the frame. */ |
4544 | ||
76bcdf39 RS |
4545 | /* Give frame F the font named FONTNAME as its default font, and |
4546 | return the full name of that font. FONTNAME may be a wildcard | |
4547 | pattern; in that case, we choose some font that fits the pattern. | |
4548 | The return value shows which font we chose. */ | |
4549 | ||
b5cf7a0e | 4550 | Lisp_Object |
f676886a JB |
4551 | x_new_font (f, fontname) |
4552 | struct frame *f; | |
dc6f92b8 JB |
4553 | register char *fontname; |
4554 | { | |
dc6f92b8 JB |
4555 | int already_loaded; |
4556 | int n_matching_fonts; | |
4557 | XFontStruct *font_info; | |
4558 | char **font_names; | |
4559 | ||
4560 | /* Get a list of all the fonts that match this name. Once we | |
4561 | have a list of matching fonts, we compare them against the fonts | |
4562 | we already have by comparing font ids. */ | |
334208b7 | 4563 | font_names = (char **) XListFonts (FRAME_X_DISPLAY (f), fontname, |
2224a5fc | 4564 | 1024, &n_matching_fonts); |
0c94f6ee JB |
4565 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4566 | find any matches; font_names == 0 is the only clue. */ | |
4567 | if (! font_names) | |
4568 | n_matching_fonts = 0; | |
4569 | ||
5835f860 RS |
4570 | /* Don't just give up if n_matching_fonts is 0. |
4571 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4572 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 4573 | |
90e65f07 | 4574 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
4575 | already_loaded = -1; |
4576 | if (n_matching_fonts != 0) | |
4577 | { | |
4578 | int i, j; | |
dc6f92b8 | 4579 | |
7a13e894 | 4580 | for (i = 0; i < FRAME_X_DISPLAY_INFO (f)->n_fonts; i++) |
5835f860 | 4581 | for (j = 0; j < n_matching_fonts; j++) |
7a13e894 RS |
4582 | if (!strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].name, font_names[j]) |
4583 | || !strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name, font_names[j])) | |
5835f860 RS |
4584 | { |
4585 | already_loaded = i; | |
7a13e894 | 4586 | fontname = FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name; |
5835f860 RS |
4587 | goto found_font; |
4588 | } | |
4589 | } | |
dc6f92b8 | 4590 | found_font: |
58769bee | 4591 | |
dc6f92b8 | 4592 | /* If we have, just return it from the table. */ |
2224a5fc | 4593 | if (already_loaded >= 0) |
7a13e894 | 4594 | f->display.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[already_loaded].font; |
dc6f92b8 JB |
4595 | /* Otherwise, load the font and add it to the table. */ |
4596 | else | |
4597 | { | |
9696f58b | 4598 | int i; |
76bcdf39 | 4599 | char *full_name; |
dc6f92b8 | 4600 | XFontStruct *font; |
7a13e894 | 4601 | int n_fonts; |
dc6f92b8 | 4602 | |
9696f58b | 4603 | /* Try to find a character-cell font in the list. */ |
58769bee | 4604 | #if 0 |
f126bd67 | 4605 | /* A laudable goal, but this isn't how to do it. */ |
9696f58b JB |
4606 | for (i = 0; i < n_matching_fonts; i++) |
4607 | if (! font_info[i].per_char) | |
4608 | break; | |
f126bd67 JB |
4609 | #else |
4610 | i = 0; | |
4611 | #endif | |
9696f58b | 4612 | |
5835f860 RS |
4613 | /* See comment above. */ |
4614 | if (n_matching_fonts != 0) | |
9696f58b JB |
4615 | fontname = font_names[i]; |
4616 | ||
334208b7 | 4617 | font = (XFontStruct *) XLoadQueryFont (FRAME_X_DISPLAY (f), fontname); |
dc6f92b8 | 4618 | if (! font) |
5835f860 | 4619 | { |
2224a5fc | 4620 | /* Free the information from XListFonts. */ |
5835f860 | 4621 | if (n_matching_fonts) |
2224a5fc | 4622 | XFreeFontNames (font_names); |
5835f860 RS |
4623 | return Qnil; |
4624 | } | |
dc6f92b8 JB |
4625 | |
4626 | /* Do we need to create the table? */ | |
7a13e894 | 4627 | if (FRAME_X_DISPLAY_INFO (f)->font_table_size == 0) |
dc6f92b8 | 4628 | { |
7a13e894 RS |
4629 | FRAME_X_DISPLAY_INFO (f)->font_table_size = 16; |
4630 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4631 | = (struct font_info *) xmalloc (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4632 | * sizeof (struct font_info)); | |
dc6f92b8 JB |
4633 | } |
4634 | /* Do we need to grow the table? */ | |
7a13e894 RS |
4635 | else if (FRAME_X_DISPLAY_INFO (f)->n_fonts |
4636 | >= FRAME_X_DISPLAY_INFO (f)->font_table_size) | |
dc6f92b8 | 4637 | { |
7a13e894 RS |
4638 | FRAME_X_DISPLAY_INFO (f)->font_table_size *= 2; |
4639 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4640 | = (struct font_info *) xrealloc (FRAME_X_DISPLAY_INFO (f)->font_table, | |
4641 | (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4642 | * sizeof (struct font_info))); | |
dc6f92b8 JB |
4643 | } |
4644 | ||
76bcdf39 RS |
4645 | /* Try to get the full name of FONT. Put it in full_name. */ |
4646 | full_name = 0; | |
4647 | for (i = 0; i < font->n_properties; i++) | |
4648 | { | |
4649 | char *atom | |
334208b7 | 4650 | = XGetAtomName (FRAME_X_DISPLAY (f), font->properties[i].name); |
76bcdf39 | 4651 | if (!strcmp (atom, "FONT")) |
7965883b | 4652 | { |
334208b7 | 4653 | char *name = XGetAtomName (FRAME_X_DISPLAY (f), |
7965883b RS |
4654 | (Atom) (font->properties[i].card32)); |
4655 | char *p = name; | |
4656 | int dashes = 0; | |
4657 | ||
4658 | /* Count the number of dashes in the "full name". | |
4659 | If it is too few, this isn't really the font's full name, | |
4660 | so don't use it. | |
4661 | In X11R4, the fonts did not come with their canonical names | |
4662 | stored in them. */ | |
4663 | while (*p) | |
4664 | { | |
4665 | if (*p == '-') | |
4666 | dashes++; | |
4667 | p++; | |
4668 | } | |
4669 | ||
4670 | if (dashes >= 13) | |
4671 | full_name = name; | |
8ed24d5a RS |
4672 | |
4673 | break; | |
7965883b RS |
4674 | } |
4675 | ||
76bcdf39 RS |
4676 | XFree (atom); |
4677 | } | |
4678 | ||
7a13e894 RS |
4679 | n_fonts = FRAME_X_DISPLAY_INFO (f)->n_fonts; |
4680 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); | |
4681 | bcopy (fontname, FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name, strlen (fontname) + 1); | |
76bcdf39 | 4682 | if (full_name != 0) |
7a13e894 | 4683 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = full_name; |
76bcdf39 | 4684 | else |
7a13e894 RS |
4685 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name; |
4686 | f->display.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].font = font; | |
4687 | FRAME_X_DISPLAY_INFO (f)->n_fonts++; | |
76bcdf39 | 4688 | |
d53067dc RS |
4689 | if (full_name) |
4690 | fontname = full_name; | |
dc6f92b8 | 4691 | } |
2224a5fc | 4692 | |
b2cad826 KH |
4693 | /* Compute the scroll bar width in character columns. */ |
4694 | if (f->scroll_bar_pixel_width > 0) | |
4695 | { | |
4696 | int wid = FONT_WIDTH (f->display.x->font); | |
4697 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; | |
4698 | } | |
4699 | else | |
4700 | f->scroll_bar_cols = 2; | |
4701 | ||
f676886a | 4702 | /* Now make the frame display the given font. */ |
c118dd06 | 4703 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4704 | { |
334208b7 | 4705 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->normal_gc, |
f676886a | 4706 | f->display.x->font->fid); |
334208b7 | 4707 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->reverse_gc, |
f676886a | 4708 | f->display.x->font->fid); |
334208b7 | 4709 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->cursor_gc, |
f676886a JB |
4710 | f->display.x->font->fid); |
4711 | ||
a27f9f86 | 4712 | frame_update_line_height (f); |
0134a210 | 4713 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 4714 | } |
a27f9f86 RS |
4715 | else |
4716 | /* If we are setting a new frame's font for the first time, | |
4717 | there are no faces yet, so this font's height is the line height. */ | |
0cdd0c9f | 4718 | f->display.x->line_height = FONT_HEIGHT (f->display.x->font); |
dc6f92b8 | 4719 | |
b5cf7a0e | 4720 | { |
abdda982 | 4721 | Lisp_Object lispy_name; |
b5cf7a0e | 4722 | |
abdda982 | 4723 | lispy_name = build_string (fontname); |
b5cf7a0e | 4724 | |
2224a5fc | 4725 | /* Free the information from XListFonts. The data |
b5cf7a0e | 4726 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 4727 | XFreeFontNames (font_names); |
b5cf7a0e JB |
4728 | |
4729 | return lispy_name; | |
4730 | } | |
dc6f92b8 | 4731 | } |
dc6f92b8 | 4732 | \f |
43bca5d5 | 4733 | x_calc_absolute_position (f) |
f676886a | 4734 | struct frame *f; |
dc6f92b8 | 4735 | { |
6dba1858 RS |
4736 | Window win, child; |
4737 | int win_x = 0, win_y = 0; | |
43bca5d5 | 4738 | int flags = f->display.x->size_hint_flags; |
6dba1858 RS |
4739 | |
4740 | /* Find the position of the outside upper-left corner of | |
4741 | the inner window, with respect to the outer window. */ | |
334208b7 | 4742 | if (f->display.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
6dba1858 RS |
4743 | { |
4744 | BLOCK_INPUT; | |
334208b7 | 4745 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
58769bee | 4746 | |
6dba1858 RS |
4747 | /* From-window, to-window. */ |
4748 | f->display.x->window_desc, | |
4749 | f->display.x->parent_desc, | |
4750 | ||
4751 | /* From-position, to-position. */ | |
4752 | 0, 0, &win_x, &win_y, | |
4753 | ||
4754 | /* Child of win. */ | |
4755 | &child); | |
4756 | UNBLOCK_INPUT; | |
4757 | } | |
4758 | ||
4759 | /* Treat negative positions as relative to the leftmost bottommost | |
4760 | position that fits on the screen. */ | |
20f55f9a | 4761 | if (flags & XNegative) |
334208b7 | 4762 | f->display.x->left_pos = (FRAME_X_DISPLAY_INFO (f)->width |
69388238 | 4763 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
4764 | - PIXEL_WIDTH (f) |
4765 | + f->display.x->left_pos); | |
dc6f92b8 | 4766 | |
20f55f9a | 4767 | if (flags & YNegative) |
334208b7 | 4768 | f->display.x->top_pos = (FRAME_X_DISPLAY_INFO (f)->height |
69388238 | 4769 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
4770 | - PIXEL_HEIGHT (f) |
4771 | + f->display.x->top_pos); | |
3a35ab44 RS |
4772 | /* The left_pos and top_pos |
4773 | are now relative to the top and left screen edges, | |
4774 | so the flags should correspond. */ | |
4775 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
dc6f92b8 JB |
4776 | } |
4777 | ||
3a35ab44 RS |
4778 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
4779 | to really change the position, and 0 when calling from | |
4780 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
4781 | position values). */ | |
4782 | ||
dc05a16b | 4783 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 4784 | struct frame *f; |
dc6f92b8 | 4785 | register int xoff, yoff; |
dc05a16b | 4786 | int change_gravity; |
dc6f92b8 | 4787 | { |
3a35ab44 RS |
4788 | if (change_gravity) |
4789 | { | |
4790 | f->display.x->top_pos = yoff; | |
4791 | f->display.x->left_pos = xoff; | |
4792 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
4793 | if (xoff < 0) | |
4794 | f->display.x->size_hint_flags |= XNegative; | |
4795 | if (yoff < 0) | |
4796 | f->display.x->size_hint_flags |= YNegative; | |
4797 | f->display.x->win_gravity = NorthWestGravity; | |
4798 | } | |
43bca5d5 | 4799 | x_calc_absolute_position (f); |
dc6f92b8 JB |
4800 | |
4801 | BLOCK_INPUT; | |
3a35ab44 RS |
4802 | x_wm_set_size_hint (f, 0, 0); |
4803 | ||
3afe33e7 | 4804 | #ifdef USE_X_TOOLKIT |
334208b7 | 4805 | XMoveWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget), |
3afe33e7 RS |
4806 | f->display.x->left_pos, f->display.x->top_pos); |
4807 | #else /* not USE_X_TOOLKIT */ | |
334208b7 | 4808 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4809 | f->display.x->left_pos, f->display.x->top_pos); |
3afe33e7 | 4810 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
4811 | UNBLOCK_INPUT; |
4812 | } | |
4813 | ||
bc20ebbf FP |
4814 | /* Call this to change the size of frame F's x-window. |
4815 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
4816 | for this size change and subsequent size changes. | |
4817 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 4818 | |
bc20ebbf | 4819 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 4820 | struct frame *f; |
bc20ebbf | 4821 | int change_gravity; |
b1c884c3 | 4822 | int cols, rows; |
dc6f92b8 JB |
4823 | { |
4824 | int pixelwidth, pixelheight; | |
4825 | int mask; | |
dc6f92b8 | 4826 | |
80fd1fe2 FP |
4827 | #ifdef USE_X_TOOLKIT |
4828 | BLOCK_INPUT; | |
3a20653d RS |
4829 | { |
4830 | /* The x and y position of the widget is clobbered by the | |
4831 | call to XtSetValues within EmacsFrameSetCharSize. | |
4832 | This is a real kludge, but I don't understand Xt so I can't | |
4833 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
4834 | int xpos = f->display.x->widget->core.x; | |
4835 | int ypos = f->display.x->widget->core.y; | |
4836 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
4837 | f->display.x->widget->core.x = xpos; | |
4838 | f->display.x->widget->core.y = ypos; | |
4839 | } | |
80fd1fe2 FP |
4840 | UNBLOCK_INPUT; |
4841 | ||
4842 | #else /* not USE_X_TOOLKIT */ | |
4843 | ||
dc6f92b8 JB |
4844 | BLOCK_INPUT; |
4845 | ||
b1c884c3 | 4846 | check_frame_size (f, &rows, &cols); |
6dba1858 | 4847 | f->display.x->vertical_scroll_bar_extra |
b2cad826 KH |
4848 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
4849 | ? 0 | |
4850 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
480407eb | 4851 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
b2cad826 | 4852 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->display.x->font))); |
f451eb13 JB |
4853 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
4854 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 | 4855 | |
af31d76f RS |
4856 | f->display.x->win_gravity = NorthWestGravity; |
4857 | x_wm_set_size_hint (f, 0, 0); | |
6ccf47d1 | 4858 | |
334208b7 RS |
4859 | XSync (FRAME_X_DISPLAY (f), False); |
4860 | XResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
4861 | pixelwidth, pixelheight); | |
b1c884c3 JB |
4862 | |
4863 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4864 | but the window manager will get around to dealing with the size | |
4865 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4866 | ConfigureNotify event gets here. |
4867 | ||
4868 | We could just not bother storing any of this information here, | |
4869 | and let the ConfigureNotify event set everything up, but that | |
4870 | might be kind of confusing to the lisp code, since size changes | |
4871 | wouldn't be reported in the frame parameters until some random | |
4872 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4873 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4874 | PIXEL_WIDTH (f) = pixelwidth; |
4875 | PIXEL_HEIGHT (f) = pixelheight; | |
4876 | ||
4d73d038 RS |
4877 | /* If cursor was outside the new size, mark it as off. */ |
4878 | if (f->phys_cursor_y >= rows | |
4879 | || f->phys_cursor_x >= cols) | |
4880 | { | |
4881 | f->phys_cursor_x = -1; | |
4882 | f->phys_cursor_y = -1; | |
4883 | } | |
4884 | ||
dbc4e1c1 JB |
4885 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4886 | receive in the ConfigureNotify event; if we get what we asked | |
4887 | for, then the event won't cause the screen to become garbaged, so | |
4888 | we have to make sure to do it here. */ | |
4889 | SET_FRAME_GARBAGED (f); | |
4890 | ||
334208b7 | 4891 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 4892 | UNBLOCK_INPUT; |
80fd1fe2 | 4893 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 4894 | } |
dc6f92b8 | 4895 | \f |
f451eb13 | 4896 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4897 | |
9b378208 | 4898 | void |
f676886a JB |
4899 | x_set_mouse_position (f, x, y) |
4900 | struct frame *f; | |
dc6f92b8 JB |
4901 | int x, y; |
4902 | { | |
4903 | int pix_x, pix_y; | |
4904 | ||
12ba150f | 4905 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
a27f9f86 | 4906 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->display.x->line_height / 2; |
f451eb13 JB |
4907 | |
4908 | if (pix_x < 0) pix_x = 0; | |
4909 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4910 | ||
4911 | if (pix_y < 0) pix_y = 0; | |
4912 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4913 | |
4914 | BLOCK_INPUT; | |
dc6f92b8 | 4915 | |
334208b7 RS |
4916 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
4917 | 0, 0, 0, 0, pix_x, pix_y); | |
dc6f92b8 JB |
4918 | UNBLOCK_INPUT; |
4919 | } | |
4920 | ||
9b378208 RS |
4921 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
4922 | ||
4923 | void | |
4924 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
4925 | struct frame *f; | |
4926 | int pix_x, pix_y; | |
4927 | { | |
4928 | BLOCK_INPUT; | |
4929 | ||
334208b7 RS |
4930 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
4931 | 0, 0, 0, 0, pix_x, pix_y); | |
9b378208 RS |
4932 | UNBLOCK_INPUT; |
4933 | } | |
4934 | ||
f676886a JB |
4935 | x_focus_on_frame (f) |
4936 | struct frame *f; | |
dc6f92b8 | 4937 | { |
1fb20991 | 4938 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 4939 | x_raise_frame (f); |
1fb20991 | 4940 | #endif |
6d4238f3 JB |
4941 | #if 0 |
4942 | /* I don't think that the ICCCM allows programs to do things like this | |
4943 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4944 | doing with this code, do it to x_unfocus_frame too. */ |
334208b7 | 4945 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dc6f92b8 | 4946 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4947 | #endif /* ! 0 */ |
dc6f92b8 JB |
4948 | } |
4949 | ||
f676886a JB |
4950 | x_unfocus_frame (f) |
4951 | struct frame *f; | |
dc6f92b8 | 4952 | { |
6d4238f3 | 4953 | #if 0 |
f676886a JB |
4954 | /* Look at the remarks in x_focus_on_frame. */ |
4955 | if (x_focus_frame == f) | |
334208b7 | 4956 | XSetInputFocus (FRAME_X_DISPLAY (f), PointerRoot, |
dc6f92b8 | 4957 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4958 | #endif /* ! 0 */ |
dc6f92b8 JB |
4959 | } |
4960 | ||
f676886a | 4961 | /* Raise frame F. */ |
dc6f92b8 | 4962 | |
f676886a JB |
4963 | x_raise_frame (f) |
4964 | struct frame *f; | |
dc6f92b8 | 4965 | { |
3a88c238 | 4966 | if (f->async_visible) |
dc6f92b8 JB |
4967 | { |
4968 | BLOCK_INPUT; | |
3afe33e7 | 4969 | #ifdef USE_X_TOOLKIT |
334208b7 | 4970 | XRaiseWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget)); |
3afe33e7 | 4971 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 4972 | XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 4973 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 4974 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4975 | UNBLOCK_INPUT; |
4976 | } | |
4977 | } | |
4978 | ||
f676886a | 4979 | /* Lower frame F. */ |
dc6f92b8 | 4980 | |
f676886a JB |
4981 | x_lower_frame (f) |
4982 | struct frame *f; | |
dc6f92b8 | 4983 | { |
3a88c238 | 4984 | if (f->async_visible) |
dc6f92b8 JB |
4985 | { |
4986 | BLOCK_INPUT; | |
3afe33e7 | 4987 | #ifdef USE_X_TOOLKIT |
334208b7 | 4988 | XLowerWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget)); |
3afe33e7 | 4989 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 4990 | XLowerWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 4991 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 4992 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4993 | UNBLOCK_INPUT; |
4994 | } | |
4995 | } | |
4996 | ||
dbc4e1c1 JB |
4997 | static void |
4998 | XTframe_raise_lower (f, raise) | |
4999 | FRAME_PTR f; | |
5000 | int raise; | |
5001 | { | |
5002 | if (raise) | |
5003 | x_raise_frame (f); | |
5004 | else | |
5005 | x_lower_frame (f); | |
5006 | } | |
5007 | ||
fd13dbb2 RS |
5008 | /* Change from withdrawn state to mapped state, |
5009 | or deiconify. */ | |
dc6f92b8 | 5010 | |
f676886a JB |
5011 | x_make_frame_visible (f) |
5012 | struct frame *f; | |
dc6f92b8 JB |
5013 | { |
5014 | int mask; | |
990ba854 | 5015 | Lisp_Object type; |
dc6f92b8 | 5016 | |
dc6f92b8 | 5017 | BLOCK_INPUT; |
dc6f92b8 | 5018 | |
990ba854 RS |
5019 | type = x_icon_type (f); |
5020 | if (!NILP (type)) | |
5021 | x_bitmap_icon (f, type); | |
bdcd49ba | 5022 | |
f676886a | 5023 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 | 5024 | { |
af31d76f | 5025 | #ifndef USE_X_TOOLKIT |
fd13dbb2 RS |
5026 | if (! FRAME_ICONIFIED_P (f)) |
5027 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
af31d76f | 5028 | #endif |
dc05a16b | 5029 | |
90e65f07 | 5030 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 5031 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 5032 | #ifdef USE_X_TOOLKIT |
d7a38a2e RS |
5033 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
5034 | XtMapWidget (f->display.x->widget); | |
3afe33e7 | 5035 | #else /* not USE_X_TOOLKIT */ |
7f9c7f94 | 5036 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5037 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
5038 | #if 0 /* This seems to bring back scroll bars in the wrong places |
5039 | if the window configuration has changed. They seem | |
5040 | to come back ok without this. */ | |
ab648270 | 5041 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 5042 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 5043 | #endif |
90e65f07 | 5044 | } |
dc6f92b8 | 5045 | |
334208b7 | 5046 | XFlush (FRAME_X_DISPLAY (f)); |
90e65f07 | 5047 | |
0dacf791 RS |
5048 | /* Synchronize to ensure Emacs knows the frame is visible |
5049 | before we do anything else. We do this loop with input not blocked | |
5050 | so that incoming events are handled. */ | |
5051 | { | |
5052 | Lisp_Object frame; | |
c0a04927 RS |
5053 | int count = input_signal_count; |
5054 | ||
5055 | /* This must come after we set COUNT. */ | |
5056 | UNBLOCK_INPUT; | |
5057 | ||
e0c1aef2 | 5058 | XSETFRAME (frame, f); |
c0a04927 RS |
5059 | |
5060 | while (1) | |
2a6cf806 | 5061 | { |
334208b7 | 5062 | x_sync (f); |
c0a04927 RS |
5063 | /* Once we have handled input events, |
5064 | we should have received the MapNotify if one is coming. | |
5065 | So if we have not got it yet, stop looping. | |
5066 | Some window managers make their own decisions | |
5067 | about visibility. */ | |
5068 | if (input_signal_count != count) | |
5069 | break; | |
c12a7cbd | 5070 | /* Machines that do polling rather than SIGIO have been observed |
23cf7c60 KH |
5071 | to go into a busy-wait here. So we'll fake an alarm signal |
5072 | to let the handler know that there's something to be read. | |
5073 | We used to raise a real alarm, but it seems that the handler | |
5074 | isn't always enabled here. This is probably a bug. */ | |
8b2f8d4e | 5075 | if (input_polling_used ()) |
3b2fa4e6 RS |
5076 | { |
5077 | /* It could be confusing if a real alarm arrives while processing | |
5078 | the fake one. Turn it off and let the handler reset it. */ | |
5079 | alarm (0); | |
5080 | input_poll_signal (); | |
5081 | } | |
c0a04927 RS |
5082 | /* Once we have handled input events, |
5083 | we should have received the MapNotify if one is coming. | |
5084 | So if we have not got it yet, stop looping. | |
5085 | Some window managers make their own decisions | |
5086 | about visibility. */ | |
5087 | if (input_signal_count != count) | |
5088 | break; | |
2a6cf806 | 5089 | } |
0dacf791 RS |
5090 | FRAME_SAMPLE_VISIBILITY (f); |
5091 | } | |
dc6f92b8 JB |
5092 | } |
5093 | ||
5094 | /* Change from mapped state to withdrawn state. */ | |
5095 | ||
f676886a JB |
5096 | x_make_frame_invisible (f) |
5097 | struct frame *f; | |
dc6f92b8 JB |
5098 | { |
5099 | int mask; | |
546e6d5b RS |
5100 | Window window; |
5101 | ||
5102 | #ifdef USE_X_TOOLKIT | |
5103 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
5104 | window = XtWindow (f->display.x->widget); | |
5105 | #else /* not USE_X_TOOLKIT */ | |
5106 | window = FRAME_X_WINDOW (f); | |
5107 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5108 | |
9319ae23 RS |
5109 | /* Don't keep the highlight on an invisible frame. */ |
5110 | if (x_highlight_frame == f) | |
5111 | x_highlight_frame = 0; | |
5112 | ||
5627c40e | 5113 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5114 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5115 | return; |
5627c40e | 5116 | #endif |
dc6f92b8 JB |
5117 | |
5118 | BLOCK_INPUT; | |
c118dd06 | 5119 | |
af31d76f RS |
5120 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
5121 | that the current position of the window is user-specified, rather than | |
5122 | program-specified, so that when the window is mapped again, it will be | |
5123 | placed at the same location, without forcing the user to position it | |
5124 | by hand again (they have already done that once for this window.) */ | |
5125 | x_wm_set_size_hint (f, 0, 1); | |
5126 | ||
c118dd06 JB |
5127 | #ifdef HAVE_X11R4 |
5128 | ||
334208b7 RS |
5129 | if (! XWithdrawWindow (FRAME_X_DISPLAY (f), window, |
5130 | DefaultScreen (FRAME_X_DISPLAY (f)))) | |
c118dd06 JB |
5131 | { |
5132 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5133 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 5134 | } |
c118dd06 | 5135 | #else /* ! defined (HAVE_X11R4) */ |
16bd92ea | 5136 | |
c118dd06 | 5137 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5138 | if (! EQ (Vx_no_window_manager, Qt)) |
5139 | { | |
16bd92ea | 5140 | XEvent unmap; |
dc6f92b8 | 5141 | |
16bd92ea | 5142 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 5143 | unmap.xunmap.window = window; |
334208b7 | 5144 | unmap.xunmap.event = DefaultRootWindow (FRAME_X_DISPLAY (f)); |
16bd92ea | 5145 | unmap.xunmap.from_configure = False; |
334208b7 RS |
5146 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5147 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5148 | False, |
5149 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5150 | &unmap)) | |
5151 | { | |
5152 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5153 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 5154 | } |
dc6f92b8 JB |
5155 | } |
5156 | ||
16bd92ea | 5157 | /* Unmap the window ourselves. Cheeky! */ |
334208b7 | 5158 | XUnmapWindow (FRAME_X_DISPLAY (f), window); |
c118dd06 | 5159 | #endif /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 5160 | |
5627c40e RS |
5161 | /* We can't distinguish this from iconification |
5162 | just by the event that we get from the server. | |
5163 | So we can't win using the usual strategy of letting | |
5164 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5165 | and synchronize with the server to make sure we agree. */ | |
5166 | f->visible = 0; | |
5167 | FRAME_ICONIFIED_P (f) = 0; | |
5168 | f->async_visible = 0; | |
5169 | f->async_iconified = 0; | |
5170 | ||
334208b7 | 5171 | x_sync (f); |
5627c40e | 5172 | |
dc6f92b8 JB |
5173 | UNBLOCK_INPUT; |
5174 | } | |
5175 | ||
dc6f92b8 JB |
5176 | /* Change window state from mapped to iconified. */ |
5177 | ||
f676886a JB |
5178 | x_iconify_frame (f) |
5179 | struct frame *f; | |
dc6f92b8 JB |
5180 | { |
5181 | int mask; | |
3afe33e7 | 5182 | int result; |
990ba854 | 5183 | Lisp_Object type; |
dc6f92b8 | 5184 | |
9319ae23 RS |
5185 | /* Don't keep the highlight on an invisible frame. */ |
5186 | if (x_highlight_frame == f) | |
5187 | x_highlight_frame = 0; | |
5188 | ||
3a88c238 | 5189 | if (f->async_iconified) |
dc6f92b8 JB |
5190 | return; |
5191 | ||
3afe33e7 | 5192 | BLOCK_INPUT; |
546e6d5b | 5193 | |
990ba854 RS |
5194 | type = x_icon_type (f); |
5195 | if (!NILP (type)) | |
5196 | x_bitmap_icon (f, type); | |
bdcd49ba RS |
5197 | |
5198 | #ifdef USE_X_TOOLKIT | |
5199 | ||
546e6d5b RS |
5200 | if (! FRAME_VISIBLE_P (f)) |
5201 | { | |
5202 | if (! EQ (Vx_no_window_manager, Qt)) | |
5203 | x_wm_set_window_state (f, IconicState); | |
5204 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
5205 | XtMapWidget (f->display.x->widget); | |
5206 | UNBLOCK_INPUT; | |
5207 | return; | |
5208 | } | |
5209 | ||
334208b7 | 5210 | result = XIconifyWindow (FRAME_X_DISPLAY (f), |
bc20ebbf | 5211 | XtWindow (f->display.x->widget), |
334208b7 | 5212 | DefaultScreen (FRAME_X_DISPLAY (f))); |
3afe33e7 RS |
5213 | UNBLOCK_INPUT; |
5214 | ||
5215 | if (!result) | |
546e6d5b | 5216 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
5217 | |
5218 | f->async_iconified = 1; | |
8c002a25 KH |
5219 | |
5220 | BLOCK_INPUT; | |
334208b7 | 5221 | XFlush (FRAME_X_DISPLAY (f)); |
8c002a25 | 5222 | UNBLOCK_INPUT; |
3afe33e7 RS |
5223 | #else /* not USE_X_TOOLKIT */ |
5224 | ||
fd13dbb2 RS |
5225 | /* Make sure the X server knows where the window should be positioned, |
5226 | in case the user deiconifies with the window manager. */ | |
5227 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
5228 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
5229 | ||
16bd92ea JB |
5230 | /* Since we don't know which revision of X we're running, we'll use both |
5231 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5232 | ||
5233 | /* X11R4: send a ClientMessage to the window manager using the | |
5234 | WM_CHANGE_STATE type. */ | |
5235 | { | |
5236 | XEvent message; | |
58769bee | 5237 | |
c118dd06 | 5238 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea | 5239 | message.xclient.type = ClientMessage; |
334208b7 | 5240 | message.xclient.message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_change_state; |
16bd92ea JB |
5241 | message.xclient.format = 32; |
5242 | message.xclient.data.l[0] = IconicState; | |
5243 | ||
334208b7 RS |
5244 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5245 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5246 | False, |
5247 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5248 | &message)) | |
dc6f92b8 JB |
5249 | { |
5250 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5251 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 5252 | } |
16bd92ea | 5253 | } |
dc6f92b8 | 5254 | |
58769bee | 5255 | /* X11R3: set the initial_state field of the window manager hints to |
16bd92ea JB |
5256 | IconicState. */ |
5257 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5258 | |
a9c00105 RS |
5259 | if (!FRAME_VISIBLE_P (f)) |
5260 | { | |
5261 | /* If the frame was withdrawn, before, we must map it. */ | |
7f9c7f94 | 5262 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
a9c00105 RS |
5263 | } |
5264 | ||
3a88c238 | 5265 | f->async_iconified = 1; |
dc6f92b8 | 5266 | |
334208b7 | 5267 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5268 | UNBLOCK_INPUT; |
8c002a25 | 5269 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5270 | } |
5271 | ||
c0ff3fab | 5272 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5273 | |
c0ff3fab | 5274 | x_destroy_window (f) |
f676886a | 5275 | struct frame *f; |
dc6f92b8 | 5276 | { |
7f9c7f94 RS |
5277 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
5278 | ||
dc6f92b8 | 5279 | BLOCK_INPUT; |
c0ff3fab JB |
5280 | |
5281 | if (f->display.x->icon_desc != 0) | |
334208b7 RS |
5282 | XDestroyWindow (FRAME_X_DISPLAY (f), f->display.x->icon_desc); |
5283 | XDestroyWindow (FRAME_X_DISPLAY (f), f->display.x->window_desc); | |
3afe33e7 RS |
5284 | #ifdef USE_X_TOOLKIT |
5285 | XtDestroyWidget (f->display.x->widget); | |
9d7e2e3e | 5286 | free_frame_menubar (f); |
3afe33e7 RS |
5287 | #endif /* USE_X_TOOLKIT */ |
5288 | ||
07e34cb0 | 5289 | free_frame_faces (f); |
334208b7 | 5290 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5291 | |
9ac0d9e0 | 5292 | xfree (f->display.x); |
c0ff3fab | 5293 | f->display.x = 0; |
f676886a JB |
5294 | if (f == x_focus_frame) |
5295 | x_focus_frame = 0; | |
c5acd733 RS |
5296 | if (f == x_focus_event_frame) |
5297 | x_focus_event_frame = 0; | |
f676886a JB |
5298 | if (f == x_highlight_frame) |
5299 | x_highlight_frame = 0; | |
c0ff3fab | 5300 | |
7f9c7f94 RS |
5301 | dpyinfo->reference_count--; |
5302 | ||
5303 | if (f == dpyinfo->mouse_face_mouse_frame) | |
dc05a16b | 5304 | { |
7f9c7f94 RS |
5305 | dpyinfo->mouse_face_beg_row |
5306 | = dpyinfo->mouse_face_beg_col = -1; | |
5307 | dpyinfo->mouse_face_end_row | |
5308 | = dpyinfo->mouse_face_end_col = -1; | |
5309 | dpyinfo->mouse_face_window = Qnil; | |
dc05a16b | 5310 | } |
0134a210 | 5311 | |
c0ff3fab | 5312 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5313 | } |
5314 | \f | |
f451eb13 JB |
5315 | /* Setting window manager hints. */ |
5316 | ||
af31d76f RS |
5317 | /* Set the normal size hints for the window manager, for frame F. |
5318 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5319 | that the window now has. | |
5320 | If USER_POSITION is nonzero, we set the USPosition | |
5321 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5322 | |
af31d76f | 5323 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5324 | struct frame *f; |
af31d76f RS |
5325 | long flags; |
5326 | int user_position; | |
dc6f92b8 JB |
5327 | { |
5328 | XSizeHints size_hints; | |
3afe33e7 RS |
5329 | |
5330 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5331 | Arg al[2]; |
5332 | int ac = 0; | |
5333 | Dimension widget_width, widget_height; | |
bc20ebbf | 5334 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5335 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5336 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5337 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5338 | |
b72a58fd RS |
5339 | /* Setting PMaxSize caused various problems. */ |
5340 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5341 | |
f676886a JB |
5342 | flexlines = f->height; |
5343 | ||
5344 | size_hints.x = f->display.x->left_pos; | |
5345 | size_hints.y = f->display.x->top_pos; | |
7553a6b7 | 5346 | |
7e4f2521 FP |
5347 | #ifdef USE_X_TOOLKIT |
5348 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5349 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
5350 | XtGetValues (f->display.x->column_widget, al, ac); | |
5351 | size_hints.height = widget_height; | |
5352 | size_hints.width = widget_width; | |
5353 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5354 | size_hints.height = PIXEL_HEIGHT (f); |
5355 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5356 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5357 | |
f676886a | 5358 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 5359 | size_hints.height_inc = f->display.x->line_height; |
334208b7 RS |
5360 | size_hints.max_width |
5361 | = FRAME_X_DISPLAY_INFO (f)->width - CHAR_TO_PIXEL_WIDTH (f, 0); | |
5362 | size_hints.max_height | |
5363 | = FRAME_X_DISPLAY_INFO (f)->height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5364 | |
b1c884c3 | 5365 | { |
b0342f17 | 5366 | int base_width, base_height; |
0134a210 | 5367 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5368 | |
f451eb13 JB |
5369 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5370 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5371 | |
0134a210 | 5372 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5373 | |
0134a210 RS |
5374 | /* The window manager uses the base width hints to calculate the |
5375 | current number of rows and columns in the frame while | |
5376 | resizing; min_width and min_height aren't useful for this | |
5377 | purpose, since they might not give the dimensions for a | |
5378 | zero-row, zero-column frame. | |
58769bee | 5379 | |
0134a210 RS |
5380 | We use the base_width and base_height members if we have |
5381 | them; otherwise, we set the min_width and min_height members | |
5382 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5383 | |
5384 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5385 | size_hints.flags |= PBaseSize; |
5386 | size_hints.base_width = base_width; | |
5387 | size_hints.base_height = base_height; | |
5388 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5389 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5390 | #else |
0134a210 RS |
5391 | size_hints.min_width = base_width; |
5392 | size_hints.min_height = base_height; | |
b0342f17 | 5393 | #endif |
b1c884c3 | 5394 | } |
dc6f92b8 | 5395 | |
af31d76f RS |
5396 | if (flags) |
5397 | size_hints.flags |= flags; | |
dc6f92b8 JB |
5398 | else |
5399 | { | |
5400 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
af31d76f RS |
5401 | long supplied_return; |
5402 | int value; | |
5403 | ||
5404 | #ifdef HAVE_X11R4 | |
334208b7 | 5405 | value = XGetWMNormalHints (FRAME_X_DISPLAY (f), window, &hints, |
af31d76f RS |
5406 | &supplied_return); |
5407 | #else | |
334208b7 | 5408 | value = XGetNormalHints (FRAME_X_DISPLAY (f), window, &hints); |
af31d76f | 5409 | #endif |
58769bee | 5410 | |
af31d76f | 5411 | if (value == 0) |
82ee0df4 | 5412 | hints.flags = 0; |
dc6f92b8 JB |
5413 | if (hints.flags & PSize) |
5414 | size_hints.flags |= PSize; | |
5415 | if (hints.flags & PPosition) | |
5416 | size_hints.flags |= PPosition; | |
5417 | if (hints.flags & USPosition) | |
5418 | size_hints.flags |= USPosition; | |
5419 | if (hints.flags & USSize) | |
5420 | size_hints.flags |= USSize; | |
5421 | } | |
0134a210 | 5422 | |
af31d76f | 5423 | #ifdef PWinGravity |
dc05a16b | 5424 | size_hints.win_gravity = f->display.x->win_gravity; |
af31d76f | 5425 | size_hints.flags |= PWinGravity; |
dc05a16b | 5426 | |
af31d76f | 5427 | if (user_position) |
6dba1858 | 5428 | { |
af31d76f RS |
5429 | size_hints.flags &= ~ PPosition; |
5430 | size_hints.flags |= USPosition; | |
6dba1858 | 5431 | } |
2554751d | 5432 | #endif /* PWinGravity */ |
6dba1858 | 5433 | |
b0342f17 | 5434 | #ifdef HAVE_X11R4 |
334208b7 | 5435 | XSetWMNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5436 | #else |
334208b7 | 5437 | XSetNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5438 | #endif |
dc6f92b8 JB |
5439 | } |
5440 | ||
5441 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5442 | x_wm_set_window_state (f, state) |
5443 | struct frame *f; | |
dc6f92b8 JB |
5444 | int state; |
5445 | { | |
3afe33e7 | 5446 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
5447 | Arg al[1]; |
5448 | ||
5449 | XtSetArg (al[0], XtNinitialState, state); | |
5450 | XtSetValues (f->display.x->widget, al, 1); | |
3afe33e7 | 5451 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5452 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5453 | |
16bd92ea JB |
5454 | f->display.x->wm_hints.flags |= StateHint; |
5455 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 5456 | |
334208b7 | 5457 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
546e6d5b | 5458 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5459 | } |
5460 | ||
7f2ae036 | 5461 | x_wm_set_icon_pixmap (f, pixmap_id) |
f676886a | 5462 | struct frame *f; |
7f2ae036 | 5463 | int pixmap_id; |
dc6f92b8 | 5464 | { |
75231bad RS |
5465 | #ifdef USE_X_TOOLKIT |
5466 | Window window = XtWindow (f->display.x->widget); | |
5467 | #else | |
c118dd06 | 5468 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5469 | #endif |
dc6f92b8 | 5470 | |
7f2ae036 | 5471 | if (pixmap_id > 0) |
dbc4e1c1 | 5472 | { |
7a13e894 | 5473 | Pixmap icon_pixmap = x_bitmap_pixmap (f, pixmap_id); |
dbc4e1c1 JB |
5474 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; |
5475 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
5476 | } | |
5477 | else | |
7f2ae036 RS |
5478 | { |
5479 | f->display.x->wm_hints.icon_pixmap = None; | |
5480 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
5481 | } | |
b1c884c3 | 5482 | |
334208b7 | 5483 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5484 | } |
5485 | ||
f676886a JB |
5486 | x_wm_set_icon_position (f, icon_x, icon_y) |
5487 | struct frame *f; | |
dc6f92b8 JB |
5488 | int icon_x, icon_y; |
5489 | { | |
75231bad RS |
5490 | #ifdef USE_X_TOOLKIT |
5491 | Window window = XtWindow (f->display.x->widget); | |
5492 | #else | |
c118dd06 | 5493 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5494 | #endif |
dc6f92b8 | 5495 | |
16bd92ea JB |
5496 | f->display.x->wm_hints.flags |= IconPositionHint; |
5497 | f->display.x->wm_hints.icon_x = icon_x; | |
5498 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5499 | |
334208b7 | 5500 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5501 | } |
5502 | ||
5503 | \f | |
f451eb13 JB |
5504 | /* Initialization. */ |
5505 | ||
3afe33e7 RS |
5506 | #ifdef USE_X_TOOLKIT |
5507 | static XrmOptionDescRec emacs_options[] = { | |
5508 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5509 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5510 | ||
5511 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5512 | XrmoptionSepArg, NULL}, | |
5513 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5514 | ||
5515 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5516 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5517 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5518 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5519 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5520 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
5521 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
5522 | }; | |
5523 | #endif /* USE_X_TOOLKIT */ | |
5524 | ||
7a13e894 RS |
5525 | static int x_initialized; |
5526 | ||
334208b7 | 5527 | struct x_display_info * |
1f8255f2 | 5528 | x_term_init (display_name, xrm_option, resource_name) |
334208b7 | 5529 | Lisp_Object display_name; |
1f8255f2 RS |
5530 | char *xrm_option; |
5531 | char *resource_name; | |
dc6f92b8 | 5532 | { |
f676886a | 5533 | Lisp_Object frame; |
dc6f92b8 | 5534 | char *defaultvalue; |
334208b7 | 5535 | int connection; |
7a13e894 | 5536 | Display *dpy; |
334208b7 RS |
5537 | struct x_display_info *dpyinfo; |
5538 | XrmDatabase xrdb; | |
5539 | ||
7a13e894 RS |
5540 | if (!x_initialized) |
5541 | { | |
5542 | x_initialize (); | |
5543 | x_initialized = 1; | |
5544 | } | |
dc6f92b8 | 5545 | |
3afe33e7 | 5546 | #ifdef USE_X_TOOLKIT |
bdcd49ba RS |
5547 | #ifdef HAVE_X11R5 |
5548 | XtSetLanguageProc (NULL, NULL, NULL); | |
5549 | #endif | |
5550 | ||
7f9c7f94 RS |
5551 | { |
5552 | int argc = 0; | |
5553 | char *argv[3]; | |
5554 | ||
5555 | argv[0] = ""; | |
5556 | argc = 1; | |
5557 | if (xrm_option) | |
5558 | { | |
5559 | argv[argc++] = "-xrm"; | |
5560 | argv[argc++] = xrm_option; | |
5561 | } | |
5562 | dpy = XtOpenDisplay (Xt_app_con, XSTRING (display_name)->data, | |
5563 | resource_name, EMACS_CLASS, | |
5564 | emacs_options, XtNumber (emacs_options), | |
5565 | &argc, argv); | |
5566 | } | |
3afe33e7 RS |
5567 | |
5568 | #else /* not USE_X_TOOLKIT */ | |
bdcd49ba RS |
5569 | #ifdef HAVE_X11R5 |
5570 | XSetLocaleModifiers (""); | |
5571 | #endif | |
7a13e894 | 5572 | dpy = XOpenDisplay (XSTRING (display_name)->data); |
3afe33e7 | 5573 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5574 | |
7a13e894 RS |
5575 | /* Detect failure. */ |
5576 | if (dpy == 0) | |
5577 | return 0; | |
5578 | ||
5579 | /* We have definitely succeeded. Record the new connection. */ | |
5580 | ||
5581 | dpyinfo = (struct x_display_info *) xmalloc (sizeof (struct x_display_info)); | |
5582 | ||
5583 | /* Put this display on the chain. */ | |
5584 | dpyinfo->next = x_display_list; | |
5585 | x_display_list = dpyinfo; | |
5586 | ||
5587 | /* Put it on x_display_name_list as well, to keep them parallel. */ | |
5588 | x_display_name_list = Fcons (Fcons (display_name, Qnil), | |
5589 | x_display_name_list); | |
5590 | dpyinfo->name_list_element = XCONS (x_display_name_list)->car; | |
5591 | ||
5592 | dpyinfo->display = dpy; | |
dc6f92b8 | 5593 | |
dc6f92b8 | 5594 | #if 0 |
7a13e894 | 5595 | XSetAfterFunction (x_current_display, x_trace_wire); |
c118dd06 | 5596 | #endif /* ! 0 */ |
7a13e894 RS |
5597 | |
5598 | dpyinfo->x_id_name | |
5599 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size | |
5600 | + XSTRING (Vsystem_name)->size | |
5601 | + 2); | |
5602 | sprintf (dpyinfo->x_id_name, "%s@%s", | |
5603 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
28430d3c JB |
5604 | |
5605 | /* Figure out which modifier bits mean what. */ | |
334208b7 | 5606 | x_find_modifier_meanings (dpyinfo); |
f451eb13 | 5607 | |
ab648270 | 5608 | /* Get the scroll bar cursor. */ |
7a13e894 | 5609 | dpyinfo->vertical_scroll_bar_cursor |
334208b7 | 5610 | = XCreateFontCursor (dpyinfo->display, XC_sb_v_double_arrow); |
f451eb13 | 5611 | |
334208b7 RS |
5612 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
5613 | resource_name, EMACS_CLASS); | |
5614 | #ifdef HAVE_XRMSETDATABASE | |
5615 | XrmSetDatabase (dpyinfo->display, xrdb); | |
5616 | #else | |
5617 | dpyinfo->display->db = xrdb; | |
5618 | #endif | |
7a13e894 RS |
5619 | /* Put thr rdb where we can find it in a way that works on |
5620 | all versions. */ | |
5621 | dpyinfo->xrdb = xrdb; | |
334208b7 RS |
5622 | |
5623 | dpyinfo->screen = ScreenOfDisplay (dpyinfo->display, | |
5624 | DefaultScreen (dpyinfo->display)); | |
5625 | dpyinfo->visual = select_visual (dpyinfo->display, dpyinfo->screen, | |
5626 | &dpyinfo->n_planes); | |
5627 | dpyinfo->height = HeightOfScreen (dpyinfo->screen); | |
5628 | dpyinfo->width = WidthOfScreen (dpyinfo->screen); | |
5629 | dpyinfo->root_window = RootWindowOfScreen (dpyinfo->screen); | |
5630 | dpyinfo->grabbed = 0; | |
5631 | dpyinfo->reference_count = 0; | |
5632 | dpyinfo->icon_bitmap_id = -1; | |
7a13e894 RS |
5633 | dpyinfo->n_fonts = 0; |
5634 | dpyinfo->font_table_size = 0; | |
5635 | dpyinfo->bitmaps = 0; | |
5636 | dpyinfo->bitmaps_size = 0; | |
5637 | dpyinfo->bitmaps_last = 0; | |
5638 | dpyinfo->scratch_cursor_gc = 0; | |
5639 | dpyinfo->mouse_face_mouse_frame = 0; | |
5640 | dpyinfo->mouse_face_deferred_gc = 0; | |
5641 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
5642 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
5643 | dpyinfo->mouse_face_face_id = 0; | |
5644 | dpyinfo->mouse_face_window = Qnil; | |
5645 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; | |
5646 | dpyinfo->mouse_face_defer = 0; | |
334208b7 RS |
5647 | |
5648 | dpyinfo->Xatom_wm_protocols | |
5649 | = XInternAtom (dpyinfo->display, "WM_PROTOCOLS", False); | |
5650 | dpyinfo->Xatom_wm_take_focus | |
5651 | = XInternAtom (dpyinfo->display, "WM_TAKE_FOCUS", False); | |
5652 | dpyinfo->Xatom_wm_save_yourself | |
5653 | = XInternAtom (dpyinfo->display, "WM_SAVE_YOURSELF", False); | |
5654 | dpyinfo->Xatom_wm_delete_window | |
5655 | = XInternAtom (dpyinfo->display, "WM_DELETE_WINDOW", False); | |
5656 | dpyinfo->Xatom_wm_change_state | |
5657 | = XInternAtom (dpyinfo->display, "WM_CHANGE_STATE", False); | |
5658 | dpyinfo->Xatom_wm_configure_denied | |
5659 | = XInternAtom (dpyinfo->display, "WM_CONFIGURE_DENIED", False); | |
5660 | dpyinfo->Xatom_wm_window_moved | |
5661 | = XInternAtom (dpyinfo->display, "WM_MOVED", False); | |
5662 | dpyinfo->Xatom_editres | |
5663 | = XInternAtom (dpyinfo->display, "Editres", False); | |
5664 | dpyinfo->Xatom_CLIPBOARD | |
5665 | = XInternAtom (dpyinfo->display, "CLIPBOARD", False); | |
5666 | dpyinfo->Xatom_TIMESTAMP | |
5667 | = XInternAtom (dpyinfo->display, "TIMESTAMP", False); | |
5668 | dpyinfo->Xatom_TEXT | |
5669 | = XInternAtom (dpyinfo->display, "TEXT", False); | |
5670 | dpyinfo->Xatom_DELETE | |
5671 | = XInternAtom (dpyinfo->display, "DELETE", False); | |
5672 | dpyinfo->Xatom_MULTIPLE | |
5673 | = XInternAtom (dpyinfo->display, "MULTIPLE", False); | |
5674 | dpyinfo->Xatom_INCR | |
5675 | = XInternAtom (dpyinfo->display, "INCR", False); | |
5676 | dpyinfo->Xatom_EMACS_TMP | |
5677 | = XInternAtom (dpyinfo->display, "_EMACS_TMP_", False); | |
5678 | dpyinfo->Xatom_TARGETS | |
5679 | = XInternAtom (dpyinfo->display, "TARGETS", False); | |
5680 | dpyinfo->Xatom_NULL | |
5681 | = XInternAtom (dpyinfo->display, "NULL", False); | |
5682 | dpyinfo->Xatom_ATOM_PAIR | |
5683 | = XInternAtom (dpyinfo->display, "ATOM_PAIR", False); | |
5684 | ||
5685 | connection = ConnectionNumber (dpyinfo->display); | |
5686 | dpyinfo->connection = connection; | |
5687 | ||
87485d6f MW |
5688 | #ifdef subprocesses |
5689 | /* This is only needed for distinguishing keyboard and process input. */ | |
334208b7 | 5690 | if (connection != 0) |
7a13e894 | 5691 | add_keyboard_wait_descriptor (connection); |
87485d6f | 5692 | #endif |
6d4238f3 | 5693 | |
041b69ac | 5694 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 5695 | #ifdef F_SETOWN |
dc6f92b8 | 5696 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 | 5697 | /* stdin is a socket here */ |
334208b7 | 5698 | fcntl (connection, F_SETOWN, -getpid ()); |
c118dd06 | 5699 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
334208b7 | 5700 | fcntl (connection, F_SETOWN, getpid ()); |
c118dd06 JB |
5701 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
5702 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 5703 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
5704 | |
5705 | #ifdef SIGIO | |
7a13e894 | 5706 | init_sigio (connection); |
c118dd06 | 5707 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 5708 | |
7a13e894 RS |
5709 | return dpyinfo; |
5710 | } | |
5711 | \f | |
5712 | /* Get rid of display DPYINFO, assuming all frames are already gone, | |
5713 | and without sending any more commands to the X server. */ | |
dc6f92b8 | 5714 | |
7a13e894 RS |
5715 | void |
5716 | x_delete_display (dpyinfo) | |
5717 | struct x_display_info *dpyinfo; | |
5718 | { | |
5719 | delete_keyboard_wait_descriptor (dpyinfo->connection); | |
5720 | ||
5721 | /* Discard this display from x_display_name_list and x_display_list. | |
5722 | We can't use Fdelq because that can quit. */ | |
5723 | if (! NILP (x_display_name_list) | |
5724 | && EQ (XCONS (x_display_name_list)->car, dpyinfo->name_list_element)) | |
5725 | x_display_name_list = XCONS (x_display_name_list)->cdr; | |
5726 | else | |
5727 | { | |
5728 | Lisp_Object tail; | |
5729 | ||
5730 | tail = x_display_name_list; | |
5731 | while (CONSP (tail) && CONSP (XCONS (tail)->cdr)) | |
5732 | { | |
5733 | if (EQ (XCONS (XCONS (tail)->cdr)->car, | |
5734 | dpyinfo->name_list_element)) | |
5735 | { | |
5736 | XCONS (tail)->cdr = XCONS (XCONS (tail)->cdr)->cdr; | |
5737 | break; | |
5738 | } | |
5739 | tail = XCONS (tail)->cdr; | |
5740 | } | |
5741 | } | |
5742 | ||
5743 | if (x_display_list == dpyinfo) | |
5744 | x_display_list = dpyinfo->next; | |
7f9c7f94 RS |
5745 | else |
5746 | { | |
5747 | struct x_display_info *tail; | |
7a13e894 | 5748 | |
7f9c7f94 RS |
5749 | for (tail = x_display_list; tail; tail = tail->next) |
5750 | if (tail->next == dpyinfo) | |
5751 | tail->next = tail->next->next; | |
5752 | } | |
7a13e894 | 5753 | |
7f9c7f94 RS |
5754 | #ifndef USE_X_TOOLKIT |
5755 | /* I'm told Xt does this itself. */ | |
5756 | XrmDestroyDatabase (dpyinfo->xrdb); | |
5757 | #endif | |
7a13e894 RS |
5758 | free (dpyinfo->font_table); |
5759 | free (dpyinfo->x_id_name); | |
5760 | free (dpyinfo); | |
5761 | } | |
5762 | \f | |
5763 | /* Set up use of X before we make the first connection. */ | |
5764 | ||
5765 | x_initialize () | |
5766 | { | |
f676886a | 5767 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
5768 | clear_end_of_line_hook = XTclear_end_of_line; |
5769 | ins_del_lines_hook = XTins_del_lines; | |
5770 | change_line_highlight_hook = XTchange_line_highlight; | |
5771 | insert_glyphs_hook = XTinsert_glyphs; | |
5772 | write_glyphs_hook = XTwrite_glyphs; | |
5773 | delete_glyphs_hook = XTdelete_glyphs; | |
5774 | ring_bell_hook = XTring_bell; | |
5775 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
5776 | set_terminal_modes_hook = XTset_terminal_modes; | |
5777 | update_begin_hook = XTupdate_begin; | |
5778 | update_end_hook = XTupdate_end; | |
5779 | set_terminal_window_hook = XTset_terminal_window; | |
5780 | read_socket_hook = XTread_socket; | |
b8009dd1 | 5781 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
5782 | cursor_to_hook = XTcursor_to; |
5783 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 5784 | mouse_position_hook = XTmouse_position; |
f451eb13 | 5785 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 5786 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
5787 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
5788 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
5789 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
5790 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
58769bee | 5791 | |
f676886a | 5792 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
5793 | char_ins_del_ok = 0; /* just as fast to write the line */ |
5794 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
5795 | fast_clear_end_of_line = 1; /* X does this well */ | |
58769bee | 5796 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
5797 | off the bottom */ |
5798 | baud_rate = 19200; | |
5799 | ||
7a13e894 RS |
5800 | x_noop_count = 0; |
5801 | ||
5802 | x_focus_frame = x_highlight_frame = 0; | |
5803 | ||
b30b24cb RS |
5804 | /* Try to use interrupt input; if we can't, then start polling. */ |
5805 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
5806 | ||
7f9c7f94 RS |
5807 | #ifdef USE_X_TOOLKIT |
5808 | XtToolkitInitialize (); | |
5809 | Xt_app_con = XtCreateApplicationContext (); | |
5810 | #endif | |
5811 | ||
58769bee | 5812 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 5813 | original error handler. */ |
334208b7 RS |
5814 | XSetErrorHandler (x_error_quitter); |
5815 | XSetIOErrorHandler (x_io_error_quitter); | |
dc6f92b8 JB |
5816 | |
5817 | /* Disable Window Change signals; they are handled by X events. */ | |
5818 | #ifdef SIGWINCH | |
5819 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 5820 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 5821 | |
c118dd06 | 5822 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 5823 | } |
55123275 JB |
5824 | |
5825 | void | |
5826 | syms_of_xterm () | |
5827 | { | |
7a13e894 RS |
5828 | staticpro (&x_display_name_list); |
5829 | x_display_name_list = Qnil; | |
334208b7 | 5830 | |
ab648270 | 5831 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 5832 | last_mouse_scroll_bar = Qnil; |
55123275 | 5833 | } |
c118dd06 | 5834 | #endif /* ! defined (HAVE_X_WINDOWS) */ |