Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
b8009dd1 | 2 | Copyright (C) 1989, 1993, 1994 Free Software Foundation, Inc. |
dc6f92b8 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
4746118a | 8 | the Free Software Foundation; either version 2, or (at your option) |
dc6f92b8 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
3afe33e7 RS |
20 | /* Xt features made by Fred Pierresteguy. */ |
21 | ||
039440c4 RS |
22 | /* On 4.3 these lose if they come after xterm.h. */ |
23 | /* On HP-UX 8.0 signal.h loses if it comes after config.h. */ | |
24 | /* Putting these at the beginning seems to be standard for other .c files. */ | |
039440c4 RS |
25 | #include <signal.h> |
26 | ||
18160b98 | 27 | #include <config.h> |
dc6f92b8 | 28 | |
4846819e RS |
29 | #include <stdio.h> |
30 | ||
3afe33e7 | 31 | /* Need syssignal.h for various externs and definitions that may be required |
bc20ebbf | 32 | by some configurations for calls to signal later in this source file. */ |
3afe33e7 RS |
33 | #include "syssignal.h" |
34 | ||
dc6f92b8 JB |
35 | #ifdef HAVE_X_WINDOWS |
36 | ||
37 | #include "lisp.h" | |
9ac0d9e0 | 38 | #include "blockinput.h" |
dc6f92b8 | 39 | |
dc6f92b8 JB |
40 | /* This may include sys/types.h, and that somehow loses |
41 | if this is not done before the other system files. */ | |
42 | #include "xterm.h" | |
f451eb13 | 43 | #include <X11/cursorfont.h> |
dc6f92b8 | 44 | |
16bd92ea | 45 | #ifndef USG |
dc6f92b8 JB |
46 | /* Load sys/types.h if not already loaded. |
47 | In some systems loading it twice is suicidal. */ | |
48 | #ifndef makedev | |
49 | #include <sys/types.h> | |
c118dd06 JB |
50 | #endif /* makedev */ |
51 | #endif /* USG */ | |
dc6f92b8 JB |
52 | |
53 | #ifdef BSD | |
54 | #include <sys/ioctl.h> | |
c118dd06 | 55 | #endif /* ! defined (BSD) */ |
dc6f92b8 | 56 | |
2d368234 | 57 | #include "systty.h" |
3a2712f9 | 58 | #include "systime.h" |
dc6f92b8 | 59 | |
b8009dd1 | 60 | #ifndef INCLUDED_FCNTL |
dc6f92b8 | 61 | #include <fcntl.h> |
b8009dd1 | 62 | #endif |
dc6f92b8 JB |
63 | #include <ctype.h> |
64 | #include <errno.h> | |
65 | #include <setjmp.h> | |
66 | #include <sys/stat.h> | |
67 | #include <sys/param.h> | |
68 | ||
7a13e894 | 69 | #include "frame.h" |
dc6f92b8 JB |
70 | #include "dispextern.h" |
71 | #include "termhooks.h" | |
72 | #include "termopts.h" | |
73 | #include "termchar.h" | |
74 | #if 0 | |
75 | #include "sink.h" | |
76 | #include "sinkmask.h" | |
c118dd06 | 77 | #endif /* ! 0 */ |
dc6f92b8 | 78 | #include "gnu.h" |
dc6f92b8 | 79 | #include "disptab.h" |
dc6f92b8 | 80 | #include "buffer.h" |
f451eb13 | 81 | #include "window.h" |
3b2fa4e6 | 82 | #include "keyboard.h" |
bde7c500 | 83 | #include "intervals.h" |
dc6f92b8 | 84 | |
3afe33e7 RS |
85 | #ifdef USE_X_TOOLKIT |
86 | extern XtAppContext Xt_app_con; | |
87 | extern Widget Xt_app_shell; | |
9d7e2e3e | 88 | extern void free_frame_menubar (); |
c2df547c | 89 | extern void _XEditResCheckMessages (); |
3afe33e7 RS |
90 | #endif /* USE_X_TOOLKIT */ |
91 | ||
b849c413 RS |
92 | #ifndef USE_X_TOOLKIT |
93 | #define x_any_window_to_frame x_window_to_frame | |
5627c40e | 94 | #define x_top_window_to_frame x_window_to_frame |
b849c413 RS |
95 | #endif |
96 | ||
546e6d5b RS |
97 | #ifdef USE_X_TOOLKIT |
98 | #ifndef XtNinitialState | |
99 | #define XtNinitialState "initialState" | |
100 | #endif | |
101 | #endif | |
102 | ||
dc6f92b8 | 103 | #define XMapWindow XMapRaised /* Raise them when mapping. */ |
dc6f92b8 | 104 | |
c34efc6c JB |
105 | #ifdef FD_SET |
106 | /* We could get this from param.h, but better not to depend on finding that. | |
107 | And better not to risk that it might define other symbols used in this | |
108 | file. */ | |
109 | #ifdef FD_SETSIZE | |
110 | #define MAXDESC FD_SETSIZE | |
111 | #else | |
112 | #define MAXDESC 64 | |
113 | #endif | |
114 | #define SELECT_TYPE fd_set | |
115 | #else /* no FD_SET */ | |
116 | #define MAXDESC 32 | |
117 | #define SELECT_TYPE int | |
118 | ||
119 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
120 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
121 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
122 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
123 | #define FD_ZERO(p) (*(p) = 0) | |
124 | #endif /* no FD_SET */ | |
125 | ||
dc6f92b8 JB |
126 | /* For sending Meta-characters. Do we need this? */ |
127 | #define METABIT 0200 | |
128 | ||
129 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
130 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 131 | \f |
dc6f92b8 JB |
132 | /* Stuff for dealing with the main icon title. */ |
133 | ||
becadff8 | 134 | char *x_id_name; |
dc6f92b8 | 135 | |
334208b7 RS |
136 | /* This is a chain of structures for all the X displays currently in use. */ |
137 | struct x_display_info *x_display_list; | |
dc6f92b8 | 138 | |
7a13e894 RS |
139 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), |
140 | one for each element of x_display_list and in the same order. | |
141 | NAME is the name of the frame. | |
142 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
143 | Lisp_Object x_display_name_list; | |
f451eb13 | 144 | |
987d2ad1 | 145 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 146 | This is set by update_begin and looked at by all the |
dc6f92b8 | 147 | XT functions. It is zero while not inside an update. |
f676886a JB |
148 | In that case, the XT functions assume that `selected_frame' |
149 | is the frame to apply to. */ | |
d0386f2a | 150 | extern struct frame *updating_frame; |
dc6f92b8 | 151 | |
f676886a | 152 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
153 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
154 | that a mere EnterNotify event can set this; if you need to know the | |
155 | last frame specified in a FocusIn or FocusOut event, use | |
156 | x_focus_event_frame. */ | |
f676886a | 157 | struct frame *x_focus_frame; |
dc6f92b8 | 158 | |
0134a210 RS |
159 | /* This is a frame waiting to be autoraised, within XTread_socket. */ |
160 | struct frame *pending_autoraise_frame; | |
161 | ||
f451eb13 JB |
162 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
163 | separate from x_focus_frame, because whether or not LeaveNotify | |
164 | events cause us to lose focus depends on whether or not we have | |
165 | received a FocusIn event for it. */ | |
166 | struct frame *x_focus_event_frame; | |
167 | ||
f676886a JB |
168 | /* The frame which currently has the visual highlight, and should get |
169 | keyboard input (other sorts of input have the frame encoded in the | |
170 | event). It points to the X focus frame's selected window's | |
171 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 172 | minibuffer. */ |
f676886a | 173 | static struct frame *x_highlight_frame; |
6d4238f3 | 174 | |
dc6f92b8 JB |
175 | /* During an update, maximum vpos for ins/del line operations to affect. */ |
176 | ||
177 | static int flexlines; | |
178 | ||
179 | /* During an update, nonzero if chars output now should be highlighted. */ | |
180 | ||
181 | static int highlight; | |
182 | ||
183 | /* Nominal cursor position -- where to draw output. | |
184 | During an update, these are different from the cursor-box position. */ | |
185 | ||
186 | static int curs_x; | |
187 | static int curs_y; | |
188 | ||
69388238 RS |
189 | /* Mouse movement. |
190 | ||
191 | In order to avoid asking for motion events and then throwing most | |
192 | of them away or busy-polling the server for mouse positions, we ask | |
193 | the server for pointer motion hints. This means that we get only | |
194 | one event per group of mouse movements. "Groups" are delimited by | |
195 | other kinds of events (focus changes and button clicks, for | |
196 | example), or by XQueryPointer calls; when one of these happens, we | |
197 | get another MotionNotify event the next time the mouse moves. This | |
198 | is at least as efficient as getting motion events when mouse | |
199 | tracking is on, and I suspect only negligibly worse when tracking | |
200 | is off. | |
201 | ||
202 | The silly O'Reilly & Associates Nutshell guides barely document | |
203 | pointer motion hints at all (I think you have to infer how they | |
204 | work from an example), and the description of XQueryPointer doesn't | |
205 | mention that calling it causes you to get another motion hint from | |
206 | the server, which is very important. */ | |
207 | ||
208 | /* Where the mouse was last time we reported a mouse event. */ | |
209 | static FRAME_PTR last_mouse_frame; | |
210 | static XRectangle last_mouse_glyph; | |
211 | ||
212 | /* The scroll bar in which the last X motion event occurred. | |
213 | ||
214 | If the last X motion event occurred in a scroll bar, we set this | |
215 | so XTmouse_position can know whether to report a scroll bar motion or | |
216 | an ordinary motion. | |
217 | ||
218 | If the last X motion event didn't occur in a scroll bar, we set this | |
219 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
220 | static Lisp_Object last_mouse_scroll_bar; | |
221 | ||
69388238 RS |
222 | /* This is a hack. We would really prefer that XTmouse_position would |
223 | return the time associated with the position it returns, but there | |
224 | doesn't seem to be any way to wrest the timestamp from the server | |
225 | along with the position query. So, we just keep track of the time | |
226 | of the last movement we received, and return that in hopes that | |
227 | it's somewhat accurate. */ | |
228 | static Time last_mouse_movement_time; | |
229 | ||
c0a04927 RS |
230 | /* Incremented by XTread_socket whenever it really tries to read events. */ |
231 | #ifdef __STDC__ | |
232 | static int volatile input_signal_count; | |
233 | #else | |
234 | static int input_signal_count; | |
235 | #endif | |
236 | ||
7a13e894 RS |
237 | /* Used locally within XTread_socket. */ |
238 | static int x_noop_count; | |
dc6f92b8 | 239 | |
7a13e894 RS |
240 | /* Initial values of argv and argc. */ |
241 | extern char **initial_argv; | |
242 | extern int initial_argc; | |
dc6f92b8 | 243 | |
7a13e894 | 244 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
dc6f92b8 | 245 | |
7a13e894 RS |
246 | /* Tells if a window manager is present or not. */ |
247 | ||
248 | extern Lisp_Object Vx_no_window_manager; | |
dc6f92b8 JB |
249 | |
250 | /* Nonzero enables some debugging for the X interface code. */ | |
251 | extern int _Xdebug; | |
252 | ||
c2df547c | 253 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 254 | |
dc6f92b8 JB |
255 | extern int errno; |
256 | ||
dfeccd2d | 257 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
258 | extern int extra_keyboard_modifiers; |
259 | ||
334208b7 | 260 | extern XrmDatabase x_load_resources (); |
dc6f92b8 | 261 | |
7a13e894 RS |
262 | void x_delete_display (); |
263 | ||
dc6f92b8 | 264 | static void flashback (); |
c83febd7 | 265 | static void redraw_previous_char (); |
0cdd0c9f | 266 | static void redraw_following_char (); |
3afe33e7 | 267 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 268 | |
55836b73 | 269 | static int fast_find_position (); |
b8009dd1 RS |
270 | static void note_mouse_highlight (); |
271 | static void clear_mouse_face (); | |
272 | static void show_mouse_face (); | |
58769bee | 273 | static void do_line_dance (); |
b8009dd1 | 274 | |
4746118a JB |
275 | static int XTcursor_to (); |
276 | static int XTclear_end_of_line (); | |
7a13e894 | 277 | static int x_io_error_quitter (); |
334208b7 RS |
278 | \f |
279 | /* Return the struct x_display_info corresponding to DPY. */ | |
280 | ||
281 | struct x_display_info * | |
282 | x_display_info_for_display (dpy) | |
283 | Display *dpy; | |
284 | { | |
285 | struct x_display_info *dpyinfo; | |
286 | ||
287 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
288 | if (dpyinfo->display == dpy) | |
289 | return dpyinfo; | |
16bd92ea | 290 | |
334208b7 RS |
291 | return 0; |
292 | } | |
16bd92ea | 293 | \f |
58769bee | 294 | /* Starting and ending updates. |
f451eb13 JB |
295 | |
296 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
297 | of a frame update. We record in `updating_frame' the identity |
298 | of the frame being updated, so that the XT... functions do not | |
299 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 300 | should never be called except during an update, the only exceptions |
c83febd7 | 301 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 | 302 | |
dc6f92b8 | 303 | static |
f676886a JB |
304 | XTupdate_begin (f) |
305 | struct frame *f; | |
58769bee | 306 | { |
dc6f92b8 JB |
307 | int mask; |
308 | ||
f676886a | 309 | if (f == 0) |
dc6f92b8 JB |
310 | abort (); |
311 | ||
f676886a | 312 | flexlines = f->height; |
dc6f92b8 JB |
313 | highlight = 0; |
314 | ||
dc6f92b8 | 315 | BLOCK_INPUT; |
b8009dd1 | 316 | |
7a13e894 | 317 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
b8009dd1 | 318 | { |
514e4681 | 319 | /* Don't do highlighting for mouse motion during the update. */ |
7a13e894 RS |
320 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 1; |
321 | if (!NILP (FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) | |
514e4681 RS |
322 | { |
323 | int firstline, lastline, i; | |
7a13e894 | 324 | struct window *w = XWINDOW (FRAME_X_DISPLAY_INFO (f)->mouse_face_window); |
514e4681 RS |
325 | |
326 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
327 | for (firstline = 0; firstline < f->height; firstline++) | |
328 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
329 | break; | |
330 | ||
331 | lastline = f->height; | |
332 | for (i = f->height - 1; i >= 0; i--) | |
333 | { | |
334 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
335 | break; | |
336 | else | |
337 | lastline = i; | |
338 | } | |
339 | ||
340 | /* Can we tell that this update does not affect the window | |
341 | where the mouse highlight is? If so, no need to turn off. */ | |
342 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
343 | || lastline < XFASTINT (w->top))) | |
344 | /* Otherwise turn off the mouse highlight now. */ | |
7a13e894 | 345 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
514e4681 | 346 | } |
b8009dd1 | 347 | } |
6ccf47d1 | 348 | |
dc6f92b8 JB |
349 | UNBLOCK_INPUT; |
350 | } | |
351 | ||
dc6f92b8 | 352 | static |
f676886a JB |
353 | XTupdate_end (f) |
354 | struct frame *f; | |
58769bee | 355 | { |
dc6f92b8 JB |
356 | int mask; |
357 | ||
dc6f92b8 | 358 | BLOCK_INPUT; |
dc6f92b8 | 359 | |
58769bee | 360 | do_line_dance (); |
f676886a | 361 | x_display_cursor (f, 1); |
dc6f92b8 | 362 | |
7a13e894 RS |
363 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
364 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
b8009dd1 RS |
365 | #if 0 |
366 | /* This fails in the case of having updated only the echo area | |
367 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
368 | has no relation to the current contents, and its charstarts | |
369 | have no relation to the contents of the window-buffer. | |
370 | I don't know a clean way to check | |
371 | for that case. window_end_valid isn't set up yet. */ | |
7a13e894 RS |
372 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
373 | note_mouse_highlight (f, FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
374 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
b8009dd1 RS |
375 | #endif |
376 | ||
334208b7 | 377 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
378 | UNBLOCK_INPUT; |
379 | } | |
b8009dd1 | 380 | |
514e4681 | 381 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
382 | |
383 | static | |
384 | XTframe_up_to_date (f) | |
385 | FRAME_PTR f; | |
386 | { | |
7a13e894 RS |
387 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc |
388 | || f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) | |
514e4681 | 389 | { |
7a13e894 RS |
390 | note_mouse_highlight (FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame, |
391 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
392 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
393 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0; | |
514e4681 | 394 | } |
b8009dd1 | 395 | } |
dc6f92b8 JB |
396 | \f |
397 | /* External interface to control of standout mode. | |
398 | Call this when about to modify line at position VPOS | |
399 | and not change whether it is highlighted. */ | |
400 | ||
401 | XTreassert_line_highlight (new, vpos) | |
402 | int new, vpos; | |
403 | { | |
404 | highlight = new; | |
405 | } | |
406 | ||
407 | /* Call this when about to modify line at position VPOS | |
408 | and change whether it is highlighted. */ | |
409 | ||
410 | static | |
411 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
412 | int new_highlight, vpos, first_unused_hpos; | |
413 | { | |
414 | highlight = new_highlight; | |
415 | XTcursor_to (vpos, 0); | |
f676886a | 416 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
417 | } |
418 | ||
419 | /* This is used when starting Emacs and when restarting after suspend. | |
420 | When starting Emacs, no X window is mapped. And nothing must be done | |
421 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
422 | ||
423 | static | |
424 | XTset_terminal_modes () | |
425 | { | |
426 | } | |
427 | ||
428 | /* This is called when exiting or suspending Emacs. | |
429 | Exiting will make the X-windows go away, and suspending | |
430 | requires no action. */ | |
431 | ||
432 | static | |
433 | XTreset_terminal_modes () | |
434 | { | |
f676886a | 435 | /* XTclear_frame (); */ |
dc6f92b8 JB |
436 | } |
437 | \f | |
f451eb13 JB |
438 | /* Set the nominal cursor position of the frame. |
439 | This is where display update commands will take effect. | |
dc6f92b8 JB |
440 | This does not affect the place where the cursor-box is displayed. */ |
441 | ||
4746118a | 442 | static int |
dc6f92b8 JB |
443 | XTcursor_to (row, col) |
444 | register int row, col; | |
445 | { | |
446 | int mask; | |
447 | int orow = row; | |
448 | ||
449 | curs_x = col; | |
450 | curs_y = row; | |
451 | ||
f676886a | 452 | if (updating_frame == 0) |
dc6f92b8 JB |
453 | { |
454 | BLOCK_INPUT; | |
f676886a | 455 | x_display_cursor (selected_frame, 1); |
334208b7 | 456 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
457 | UNBLOCK_INPUT; |
458 | } | |
459 | } | |
460 | \f | |
461 | /* Display a sequence of N glyphs found at GP. | |
462 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
463 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
464 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
465 | JUST_FOREGROUND if 1 means draw only the foreground; |
466 | don't alter the background. | |
dc6f92b8 | 467 | |
07e34cb0 | 468 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 469 | |
07e34cb0 JB |
470 | Since the display generation code is responsible for calling |
471 | compute_char_face and compute_glyph_face on everything it puts in | |
472 | the display structure, we can assume that the face code on each | |
28f72798 | 473 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
474 | to which we can actually apply intern_face. |
475 | Call this function with input blocked. */ | |
dc6f92b8 | 476 | |
07e34cb0 JB |
477 | #if 1 |
478 | /* This is the multi-face code. */ | |
dc6f92b8 | 479 | |
dc6f92b8 | 480 | static void |
0cdd0c9f | 481 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 482 | struct frame *f; |
dc6f92b8 JB |
483 | int left, top; |
484 | register GLYPH *gp; /* Points to first GLYPH. */ | |
485 | register int n; /* Number of glyphs to display. */ | |
486 | int hl; | |
0cdd0c9f | 487 | int just_foreground; |
dc6f92b8 | 488 | { |
07e34cb0 JB |
489 | /* Holds characters to be displayed. */ |
490 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
491 | register char *cp; /* Steps through buf[]. */ |
492 | register int tlen = GLYPH_TABLE_LENGTH; | |
493 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 494 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 495 | int orig_left = left; |
dc6f92b8 | 496 | |
07e34cb0 | 497 | while (n > 0) |
dc6f92b8 JB |
498 | { |
499 | /* Get the face-code of the next GLYPH. */ | |
500 | int cf, len; | |
501 | int g = *gp; | |
502 | ||
07e34cb0 | 503 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 504 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
505 | |
506 | /* Find the run of consecutive glyphs with the same face-code. | |
507 | Extract their character codes into BUF. */ | |
508 | cp = buf; | |
509 | while (n > 0) | |
510 | { | |
511 | g = *gp; | |
07e34cb0 | 512 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 513 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
514 | break; |
515 | ||
6f63ba79 | 516 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
517 | --n; |
518 | ++gp; | |
519 | } | |
520 | ||
521 | /* LEN gets the length of the run. */ | |
522 | len = cp - buf; | |
523 | ||
524 | /* Now output this run of chars, with the font and pixel values | |
525 | determined by the face code CF. */ | |
07e34cb0 JB |
526 | { |
527 | struct face *face = FRAME_DEFAULT_FACE (f); | |
334208b7 | 528 | XFontStruct *font = FACE_FONT (face); |
07e34cb0 | 529 | GC gc = FACE_GC (face); |
990ba854 | 530 | int stippled = 0; |
07e34cb0 | 531 | |
b8009dd1 RS |
532 | /* HL = 3 means use a mouse face previously chosen. */ |
533 | if (hl == 3) | |
7a13e894 | 534 | cf = FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id; |
b8009dd1 | 535 | |
b73b6aaf RS |
536 | /* First look at the face of the text itself. */ |
537 | if (cf != 0) | |
07e34cb0 | 538 | { |
a07d4bc5 RS |
539 | /* It's possible for the display table to specify |
540 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
541 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
542 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 543 | cf = 0; |
07e34cb0 JB |
544 | |
545 | if (cf == 1) | |
546 | face = FRAME_MODE_LINE_FACE (f); | |
547 | else | |
28f72798 | 548 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
549 | font = FACE_FONT (face); |
550 | gc = FACE_GC (face); | |
990ba854 RS |
551 | if (FACE_STIPPLE (face)) |
552 | stippled = 1; | |
07e34cb0 | 553 | } |
4a4dc352 JB |
554 | |
555 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
556 | else if (hl == 0) |
557 | ; | |
558 | else if (hl == 1) | |
559 | { | |
560 | face = FRAME_MODE_LINE_FACE (f); | |
561 | font = FACE_FONT (face); | |
562 | gc = FACE_GC (face); | |
990ba854 RS |
563 | if (FACE_STIPPLE (face)) |
564 | stippled = 1; | |
b73b6aaf RS |
565 | } |
566 | ||
567 | #define FACE_DEFAULT (~0) | |
568 | ||
569 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 570 | if (hl == 2) |
b73b6aaf | 571 | { |
990ba854 RS |
572 | /* The cursor overrides stippling. */ |
573 | stippled = 0; | |
574 | ||
11dd3d61 RS |
575 | if ((!face->font |
576 | || (int) face->font == FACE_DEFAULT | |
577 | || face->font == f->display.x->font) | |
578 | && face->background == f->display.x->background_pixel | |
579 | && face->foreground == f->display.x->foreground_pixel) | |
b5cf7a0e JB |
580 | { |
581 | gc = f->display.x->cursor_gc; | |
582 | } | |
583 | /* Cursor on non-default face: must merge. */ | |
584 | else | |
585 | { | |
586 | XGCValues xgcv; | |
587 | unsigned long mask; | |
588 | ||
589 | xgcv.background = f->display.x->cursor_pixel; | |
11dd3d61 | 590 | xgcv.foreground = face->background; |
df5a440b RS |
591 | /* If the glyph would be invisible, |
592 | try a different foreground. */ | |
593 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 594 | xgcv.foreground = face->foreground; |
df5a440b RS |
595 | if (xgcv.foreground == xgcv.background) |
596 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
597 | if (xgcv.foreground == xgcv.background) | |
598 | xgcv.foreground = face->foreground; | |
599 | /* Make sure the cursor is distinct from text in this face. */ | |
600 | if (xgcv.background == face->background | |
601 | && xgcv.foreground == face->foreground) | |
602 | { | |
603 | xgcv.background = face->foreground; | |
604 | xgcv.foreground = face->background; | |
605 | } | |
b5cf7a0e JB |
606 | xgcv.font = face->font->fid; |
607 | xgcv.graphics_exposures = 0; | |
608 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
7a13e894 RS |
609 | if (FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc) |
610 | XChangeGC (FRAME_X_DISPLAY (f), | |
611 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc, | |
612 | mask, &xgcv); | |
11dd3d61 | 613 | else |
7a13e894 | 614 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc |
334208b7 | 615 | = XCreateGC (FRAME_X_DISPLAY (f), window, mask, &xgcv); |
7a13e894 | 616 | gc = FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc; |
b73b6aaf | 617 | #if 0 |
11dd3d61 RS |
618 | /* If this code is restored, it must also reset to the default stipple |
619 | if necessary. */ | |
b5cf7a0e | 620 | if (face->stipple && face->stipple != FACE_DEFAULT) |
334208b7 | 621 | XSetStipple (FRAME_X_DISPLAY (f), gc, face->stipple); |
b73b6aaf | 622 | #endif |
b5cf7a0e | 623 | } |
07e34cb0 | 624 | } |
07e34cb0 | 625 | |
b5cf7a0e JB |
626 | if ((int) font == FACE_DEFAULT) |
627 | font = f->display.x->font; | |
628 | ||
0cdd0c9f | 629 | if (just_foreground) |
334208b7 | 630 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
0cdd0c9f RS |
631 | left, top + FONT_BASE (font), buf, len); |
632 | else | |
633 | { | |
990ba854 RS |
634 | if (stippled) |
635 | { | |
636 | /* Turn stipple on. */ | |
637 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillOpaqueStippled); | |
638 | ||
639 | /* Draw stipple on background. */ | |
334208b7 | 640 | XFillRectangle (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
641 | left, top, |
642 | FONT_WIDTH (font) * len, | |
643 | FONT_HEIGHT (font)); | |
644 | ||
645 | /* Turn stipple off. */ | |
646 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillSolid); | |
647 | ||
648 | /* Draw the text, solidly, onto the stipple pattern. */ | |
334208b7 | 649 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
650 | left, top + FONT_BASE (font), buf, len); |
651 | } | |
652 | else | |
334208b7 | 653 | XDrawImageString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
654 | left, top + FONT_BASE (font), buf, len); |
655 | ||
0cdd0c9f RS |
656 | /* Clear the rest of the line's height. */ |
657 | if (f->display.x->line_height != FONT_HEIGHT (font)) | |
334208b7 | 658 | XClearArea (FRAME_X_DISPLAY (f), window, left, |
0cdd0c9f RS |
659 | top + FONT_HEIGHT (font), |
660 | FONT_WIDTH (font) * len, | |
661 | /* This is how many pixels of height | |
662 | we have to clear. */ | |
663 | f->display.x->line_height - FONT_HEIGHT (font), | |
664 | False); | |
665 | } | |
666 | ||
667 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
668 | which often is not up to date yet. */ | |
669 | if (!just_foreground) | |
670 | { | |
671 | if (left == orig_left) | |
672 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
673 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
674 | if (n == 0) | |
675 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
676 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
677 | } | |
678 | #endif | |
07e34cb0 JB |
679 | |
680 | /* We should probably check for XA_UNDERLINE_POSITION and | |
681 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
682 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 683 | { |
4a4dc352 | 684 | int underline_position = 1; |
07e34cb0 | 685 | |
4a4dc352 JB |
686 | if (font->descent <= underline_position) |
687 | underline_position = font->descent - 1; | |
07e34cb0 JB |
688 | |
689 | if (face->underline) | |
334208b7 | 690 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
07e34cb0 JB |
691 | FACE_GC (face), |
692 | left, (top | |
693 | + FONT_BASE (font) | |
694 | + underline_position), | |
695 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 696 | } |
07e34cb0 JB |
697 | |
698 | left += len * FONT_WIDTH (font); | |
699 | } | |
dc6f92b8 JB |
700 | } |
701 | } | |
07e34cb0 JB |
702 | #endif /* 1 */ |
703 | ||
704 | #if 0 | |
705 | /* This is the old single-face code. */ | |
706 | ||
707 | static void | |
708 | dumpglyphs (f, left, top, gp, n, hl, font) | |
709 | struct frame *f; | |
710 | int left, top; | |
711 | register GLYPH *gp; /* Points to first GLYPH. */ | |
712 | register int n; /* Number of glyphs to display. */ | |
713 | int hl; | |
334208b7 | 714 | XFontStruct *font; |
07e34cb0 JB |
715 | { |
716 | register int len; | |
717 | Window window = FRAME_X_WINDOW (f); | |
718 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
719 | : (hl ? f->display.x->reverse_gc | |
720 | : f->display.x->normal_gc)); | |
721 | ||
722 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
334208b7 | 723 | XDrawImageString16 (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
724 | left, top + FONT_BASE (font), (XChar2b *) gp, n); |
725 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
334208b7 | 726 | XDrawImageString (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
727 | left, top + FONT_BASE (font), (char *) gp, n); |
728 | else | |
729 | /* What size of glyph ARE you using? And does X have a function to | |
730 | draw them? */ | |
731 | abort (); | |
732 | } | |
733 | #endif | |
dc6f92b8 | 734 | \f |
f451eb13 JB |
735 | /* Output some text at the nominal frame cursor position. |
736 | Advance the cursor over the text. | |
dc6f92b8 JB |
737 | Output LEN glyphs at START. |
738 | ||
739 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
740 | controls the pixel values used for foreground and background. */ | |
741 | ||
742 | static | |
743 | XTwrite_glyphs (start, len) | |
744 | register GLYPH *start; | |
745 | int len; | |
746 | { | |
747 | register int temp_length; | |
748 | int mask; | |
f676886a | 749 | struct frame *f; |
dc6f92b8 JB |
750 | |
751 | BLOCK_INPUT; | |
752 | ||
58769bee | 753 | do_line_dance (); |
f676886a JB |
754 | f = updating_frame; |
755 | if (f == 0) | |
dc6f92b8 | 756 | { |
f676886a | 757 | f = selected_frame; |
dc6f92b8 | 758 | /* If not within an update, |
f676886a JB |
759 | output at the frame's visible cursor. */ |
760 | curs_x = f->cursor_x; | |
761 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
762 | } |
763 | ||
f676886a | 764 | dumpglyphs (f, |
12ba150f JB |
765 | CHAR_TO_PIXEL_COL (f, curs_x), |
766 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 767 | start, len, highlight, 0); |
90e65f07 JB |
768 | |
769 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
770 | if (curs_y == f->phys_cursor_y |
771 | && curs_x <= f->phys_cursor_x | |
772 | && curs_x + len > f->phys_cursor_x) | |
773 | f->phys_cursor_x = -1; | |
58769bee | 774 | |
f676886a | 775 | if (updating_frame == 0) |
dc6f92b8 | 776 | { |
f676886a JB |
777 | f->cursor_x += len; |
778 | x_display_cursor (f, 1); | |
779 | f->cursor_x -= len; | |
dc6f92b8 JB |
780 | } |
781 | else | |
782 | curs_x += len; | |
783 | ||
784 | UNBLOCK_INPUT; | |
785 | } | |
786 | \f | |
f451eb13 JB |
787 | /* Clear to the end of the line. |
788 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
789 | to column FIRST_UNUSED (exclusive). The idea is that everything |
790 | from FIRST_UNUSED onward is already erased. */ | |
58769bee | 791 | |
4746118a | 792 | static int |
dc6f92b8 JB |
793 | XTclear_end_of_line (first_unused) |
794 | register int first_unused; | |
795 | { | |
f676886a | 796 | struct frame *f = updating_frame; |
dc6f92b8 JB |
797 | int mask; |
798 | ||
f676886a | 799 | if (f == 0) |
dc6f92b8 JB |
800 | abort (); |
801 | ||
f676886a | 802 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
803 | return; |
804 | if (first_unused <= 0) | |
805 | return; | |
806 | ||
f676886a JB |
807 | if (first_unused >= f->width) |
808 | first_unused = f->width; | |
dc6f92b8 JB |
809 | |
810 | BLOCK_INPUT; | |
811 | ||
90e65f07 | 812 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
813 | if (curs_y == f->phys_cursor_y |
814 | && curs_x <= f->phys_cursor_x | |
815 | && f->phys_cursor_x < first_unused) | |
816 | f->phys_cursor_x = -1; | |
dc6f92b8 | 817 | |
334208b7 | 818 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
12ba150f JB |
819 | CHAR_TO_PIXEL_COL (f, curs_x), |
820 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 821 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 822 | f->display.x->line_height, False); |
c83febd7 | 823 | #if 0 |
0cdd0c9f | 824 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 825 | #endif |
dc6f92b8 JB |
826 | |
827 | UNBLOCK_INPUT; | |
828 | } | |
829 | ||
0cdd0c9f RS |
830 | static |
831 | XTclear_frame () | |
832 | { | |
833 | int mask; | |
834 | struct frame *f = updating_frame; | |
835 | ||
836 | if (f == 0) | |
837 | f = selected_frame; | |
838 | ||
839 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
840 | curs_x = 0; /* Nominal cursor position is top left. */ | |
841 | curs_y = 0; | |
58769bee | 842 | |
0cdd0c9f RS |
843 | BLOCK_INPUT; |
844 | ||
334208b7 | 845 | XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0cdd0c9f RS |
846 | |
847 | /* We have to clear the scroll bars, too. If we have changed | |
848 | colors or something like that, then they should be notified. */ | |
849 | x_scroll_bar_clear (f); | |
850 | ||
334208b7 | 851 | XFlush (FRAME_X_DISPLAY (f)); |
0cdd0c9f RS |
852 | UNBLOCK_INPUT; |
853 | } | |
854 | \f | |
855 | #if 0 | |
856 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
857 | always contain the right glyphs to use. | |
858 | ||
859 | It also needs to be changed to look at the details of the font and | |
860 | see whether there is really overlap, and do nothing when there is | |
861 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
862 | but just how to use them is not clear. */ | |
863 | ||
c83febd7 RS |
864 | /* Erase the character (if any) at the position just before X, Y in frame F, |
865 | then redraw it and the character before it. | |
866 | This is necessary when we erase starting at X, | |
f94397b5 KH |
867 | in case the character after X overlaps into the one before X. |
868 | Call this function with input blocked. */ | |
c83febd7 RS |
869 | |
870 | static void | |
0cdd0c9f | 871 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
872 | FRAME_PTR f; |
873 | int x, y; | |
0cdd0c9f | 874 | int highlight_flag; |
c83febd7 RS |
875 | { |
876 | /* Erase the character before the new ones, in case | |
877 | what was here before overlaps it. | |
878 | Reoutput that character, and the previous character | |
879 | (in case the previous character overlaps it). */ | |
880 | if (x > 0) | |
881 | { | |
882 | int start_x = x - 2; | |
883 | if (start_x < 0) | |
884 | start_x = 0; | |
334208b7 | 885 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
c83febd7 RS |
886 | CHAR_TO_PIXEL_COL (f, x - 1), |
887 | CHAR_TO_PIXEL_ROW (f, y), | |
888 | FONT_WIDTH (f->display.x->font), | |
a27f9f86 | 889 | f->display.x->line_height, False); |
c83febd7 RS |
890 | |
891 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
892 | CHAR_TO_PIXEL_ROW (f, y), | |
893 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 894 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
895 | } |
896 | } | |
897 | ||
0cdd0c9f RS |
898 | /* Erase the character (if any) at the position X, Y in frame F, |
899 | then redraw it and the character after it. | |
900 | This is necessary when we erase endng at X, | |
901 | in case the character after X overlaps into the one before X. | |
902 | Call this function with input blocked. */ | |
903 | ||
904 | static void | |
905 | redraw_following_char (f, x, y, highlight_flag) | |
906 | FRAME_PTR f; | |
907 | int x, y; | |
908 | int highlight_flag; | |
dc6f92b8 | 909 | { |
0cdd0c9f RS |
910 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
911 | /* Erase the character after the new ones, in case | |
912 | what was here before overlaps it. | |
913 | Reoutput that character, and the following character | |
914 | (in case the following character overlaps it). */ | |
915 | if (x < limit | |
916 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
917 | { | |
918 | int end_x = x + 2; | |
919 | if (end_x > limit) | |
920 | end_x = limit; | |
334208b7 | 921 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
922 | CHAR_TO_PIXEL_COL (f, x), |
923 | CHAR_TO_PIXEL_ROW (f, y), | |
924 | FONT_WIDTH (f->display.x->font), | |
925 | f->display.x->line_height, False); | |
dc6f92b8 | 926 | |
0cdd0c9f RS |
927 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
928 | CHAR_TO_PIXEL_ROW (f, y), | |
929 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
930 | end_x - x, highlight_flag, 1); | |
931 | } | |
932 | } | |
933 | #endif /* 0 */ | |
934 | \f | |
935 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 936 | |
0cdd0c9f | 937 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 938 | |
0cdd0c9f RS |
939 | static int |
940 | font_char_overlap_left (font, c) | |
941 | XFontStruct *font; | |
942 | int c; | |
943 | { | |
944 | XCharStruct *s; | |
dbc4e1c1 | 945 | |
0cdd0c9f RS |
946 | /* Find the bounding-box info for C. */ |
947 | if (font->per_char == 0) | |
948 | s = &font->max_bounds; | |
949 | else | |
950 | { | |
951 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
952 | int row, within; | |
58769bee | 953 | |
0cdd0c9f RS |
954 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
955 | row = c >> 8; | |
956 | within = c & 0177; | |
957 | if (!(within >= font->min_char_or_byte2 | |
958 | && within <= font->max_char_or_byte2 | |
959 | && row >= font->min_byte1 | |
960 | && row <= font->max_byte1)) | |
961 | { | |
962 | /* If char is out of range, try the font's default char instead. */ | |
963 | c = font->default_char; | |
964 | row = c >> (INTBITS - 8); | |
965 | within = c & 0177; | |
966 | } | |
967 | if (!(within >= font->min_char_or_byte2 | |
968 | && within <= font->max_char_or_byte2 | |
969 | && row >= font->min_byte1 | |
970 | && row <= font->max_byte1)) | |
971 | /* Still out of range means this char does not overlap. */ | |
972 | return 0; | |
973 | else | |
974 | /* We found the info for this char. */ | |
975 | s = (font->per_char + (within - font->min_char_or_byte2) | |
976 | + row * rowlen); | |
977 | } | |
dbc4e1c1 | 978 | |
0cdd0c9f RS |
979 | return (s && s->lbearing < 0); |
980 | } | |
dbc4e1c1 | 981 | |
0cdd0c9f RS |
982 | /* Return 1 if character C in font F extends past its right edge. */ |
983 | ||
984 | static int | |
985 | font_char_overlap_right (font, c) | |
986 | XFontStruct *font; | |
987 | int c; | |
988 | { | |
989 | XCharStruct *s; | |
990 | ||
991 | /* Find the bounding-box info for C. */ | |
992 | if (font->per_char == 0) | |
993 | s = &font->max_bounds; | |
994 | else | |
995 | { | |
996 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
997 | int row, within; | |
58769bee | 998 | |
0cdd0c9f RS |
999 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
1000 | row = c >> 8; | |
1001 | within = c & 0177; | |
1002 | if (!(within >= font->min_char_or_byte2 | |
1003 | && within <= font->max_char_or_byte2 | |
1004 | && row >= font->min_byte1 | |
1005 | && row <= font->max_byte1)) | |
1006 | { | |
1007 | /* If char is out of range, try the font's default char instead. */ | |
1008 | c = font->default_char; | |
1009 | row = c >> (INTBITS - 8); | |
1010 | within = c & 0177; | |
1011 | } | |
1012 | if (!(within >= font->min_char_or_byte2 | |
1013 | && within <= font->max_char_or_byte2 | |
1014 | && row >= font->min_byte1 | |
1015 | && row <= font->max_byte1)) | |
1016 | /* Still out of range means this char does not overlap. */ | |
1017 | return 0; | |
1018 | else | |
1019 | /* We found the info for this char. */ | |
1020 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1021 | + row * rowlen); | |
1022 | } | |
1023 | ||
1024 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1025 | } |
0cdd0c9f | 1026 | #endif /* 0 */ |
dc6f92b8 | 1027 | \f |
dbc4e1c1 JB |
1028 | /* Invert the middle quarter of the frame for .15 sec. */ |
1029 | ||
1030 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1031 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1032 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1033 | ||
1034 | /* Subtract the `struct timeval' values X and Y, | |
1035 | storing the result in RESULT. | |
1036 | Return 1 if the difference is negative, otherwise 0. */ | |
1037 | ||
1038 | static int | |
1039 | timeval_subtract (result, x, y) | |
1040 | struct timeval *result, x, y; | |
1041 | { | |
1042 | /* Perform the carry for the later subtraction by updating y. | |
1043 | This is safer because on some systems | |
1044 | the tv_sec member is unsigned. */ | |
1045 | if (x.tv_usec < y.tv_usec) | |
1046 | { | |
1047 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1048 | y.tv_usec -= 1000000 * nsec; | |
1049 | y.tv_sec += nsec; | |
1050 | } | |
1051 | if (x.tv_usec - y.tv_usec > 1000000) | |
1052 | { | |
1053 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1054 | y.tv_usec += 1000000 * nsec; | |
1055 | y.tv_sec -= nsec; | |
1056 | } | |
1057 | ||
1058 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1059 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1060 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1061 | ||
1062 | /* Return indication of whether the result should be considered negative. */ | |
1063 | return x.tv_sec < y.tv_sec; | |
1064 | } | |
dc6f92b8 | 1065 | |
f676886a JB |
1066 | XTflash (f) |
1067 | struct frame *f; | |
dc6f92b8 | 1068 | { |
dbc4e1c1 | 1069 | BLOCK_INPUT; |
dc6f92b8 | 1070 | |
dbc4e1c1 JB |
1071 | { |
1072 | GC gc; | |
dc6f92b8 | 1073 | |
dbc4e1c1 JB |
1074 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1075 | into background pixels. */ | |
1076 | { | |
1077 | XGCValues values; | |
dc6f92b8 | 1078 | |
dbc4e1c1 JB |
1079 | values.function = GXxor; |
1080 | values.foreground = (f->display.x->foreground_pixel | |
1081 | ^ f->display.x->background_pixel); | |
58769bee | 1082 | |
334208b7 | 1083 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
1084 | GCFunction | GCForeground, &values); |
1085 | } | |
dc6f92b8 | 1086 | |
dbc4e1c1 JB |
1087 | { |
1088 | int width = PIXEL_WIDTH (f); | |
1089 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1090 | |
334208b7 | 1091 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1092 | width/4, height/4, width/2, height/2); |
334208b7 | 1093 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 1094 | |
dbc4e1c1 JB |
1095 | { |
1096 | struct timeval wakeup, now; | |
dc6f92b8 | 1097 | |
66c30ea1 | 1098 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1099 | |
dbc4e1c1 JB |
1100 | /* Compute time to wait until, propagating carry from usecs. */ |
1101 | wakeup.tv_usec += 150000; | |
1102 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1103 | wakeup.tv_usec %= 1000000; | |
1104 | ||
1105 | /* Keep waiting until past the time wakeup. */ | |
1106 | while (1) | |
1107 | { | |
1108 | struct timeval timeout; | |
1109 | ||
66c30ea1 | 1110 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1111 | |
1112 | /* In effect, timeout = wakeup - timeout. | |
1113 | Break if result would be negative. */ | |
1114 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1115 | break; | |
1116 | ||
1117 | /* Try to wait that long--but we might wake up sooner. */ | |
1118 | select (0, 0, 0, 0, &timeout); | |
1119 | } | |
1120 | } | |
58769bee | 1121 | |
334208b7 | 1122 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1123 | width/4, height/4, width/2, height/2); |
334208b7 RS |
1124 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
1125 | XFlush (FRAME_X_DISPLAY (f)); | |
dc6f92b8 | 1126 | } |
dbc4e1c1 JB |
1127 | } |
1128 | ||
1129 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1130 | } |
1131 | ||
dbc4e1c1 JB |
1132 | #endif |
1133 | ||
1134 | ||
dc6f92b8 JB |
1135 | /* Make audible bell. */ |
1136 | ||
334208b7 | 1137 | #define XRINGBELL XBell (FRAME_X_DISPLAY (selected_frame), 0) |
dc6f92b8 JB |
1138 | |
1139 | XTring_bell () | |
1140 | { | |
334208b7 | 1141 | if (FRAME_X_DISPLAY (selected_frame) == 0) |
5a6ef893 RS |
1142 | return; |
1143 | ||
dbc4e1c1 | 1144 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1145 | if (visible_bell) |
f676886a | 1146 | XTflash (selected_frame); |
dc6f92b8 | 1147 | else |
dbc4e1c1 | 1148 | #endif |
dc6f92b8 JB |
1149 | { |
1150 | BLOCK_INPUT; | |
1151 | XRINGBELL; | |
334208b7 | 1152 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
1153 | UNBLOCK_INPUT; |
1154 | } | |
1155 | } | |
1156 | \f | |
f451eb13 JB |
1157 | /* Insert and delete character. |
1158 | These are not supposed to be used because we are supposed to turn | |
1159 | off the feature of using them. */ | |
dc6f92b8 | 1160 | |
58769bee | 1161 | static |
dc6f92b8 JB |
1162 | XTinsert_glyphs (start, len) |
1163 | register char *start; | |
1164 | register int len; | |
1165 | { | |
1166 | abort (); | |
1167 | } | |
1168 | ||
58769bee | 1169 | static |
dc6f92b8 JB |
1170 | XTdelete_glyphs (n) |
1171 | register int n; | |
1172 | { | |
1173 | abort (); | |
1174 | } | |
1175 | \f | |
1176 | /* Specify how many text lines, from the top of the window, | |
1177 | should be affected by insert-lines and delete-lines operations. | |
1178 | This, and those operations, are used only within an update | |
1179 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1180 | ||
1181 | static | |
1182 | XTset_terminal_window (n) | |
1183 | register int n; | |
1184 | { | |
f676886a | 1185 | if (updating_frame == 0) |
dc6f92b8 JB |
1186 | abort (); |
1187 | ||
f676886a JB |
1188 | if ((n <= 0) || (n > updating_frame->height)) |
1189 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1190 | else |
1191 | flexlines = n; | |
1192 | } | |
1193 | \f | |
7a13e894 RS |
1194 | /* These variables need not be per frame |
1195 | because redisplay is done on a frame-by-frame basis | |
1196 | and the line dance for one frame is finished before | |
1197 | anything is done for anoter frame. */ | |
1198 | ||
58769bee KH |
1199 | /* Array of line numbers from cached insert/delete operations. |
1200 | line_dance[i] is the old position of the line that we want | |
1201 | to move to line i, or -1 if we want a blank line there. */ | |
1202 | static int *line_dance; | |
dc6f92b8 | 1203 | |
58769bee KH |
1204 | /* Allocated length of that array. */ |
1205 | static int line_dance_len; | |
dc6f92b8 | 1206 | |
58769bee KH |
1207 | /* Flag indicating whether we've done any work. */ |
1208 | static int line_dance_in_progress; | |
dc6f92b8 | 1209 | |
58769bee KH |
1210 | /* Perform an insert-lines or delete-lines operation, |
1211 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1212 | XTins_del_lines (vpos, n) | |
1213 | int vpos, n; | |
dc6f92b8 | 1214 | { |
58769bee | 1215 | register int fence, i; |
dc6f92b8 | 1216 | |
58769bee | 1217 | if (vpos >= flexlines) |
dc6f92b8 JB |
1218 | return; |
1219 | ||
58769bee | 1220 | if (!line_dance_in_progress) |
dc6f92b8 | 1221 | { |
58769bee KH |
1222 | int ht = updating_frame->height; |
1223 | if (ht > line_dance_len) | |
1224 | { | |
1225 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); | |
1226 | line_dance_len = ht; | |
1227 | } | |
1228 | for (i = 0; i < ht; ++i) line_dance[i] = i; | |
1229 | line_dance_in_progress = 1; | |
1230 | } | |
1231 | if (n >= 0) | |
1232 | { | |
1233 | if (n > flexlines - vpos) | |
1234 | n = flexlines - vpos; | |
1235 | fence = vpos + n; | |
1236 | for (i = flexlines; --i >= fence;) | |
1237 | line_dance[i] = line_dance[i-n]; | |
1238 | for (i = fence; --i >= vpos;) | |
1239 | line_dance[i] = -1; | |
dc6f92b8 JB |
1240 | } |
1241 | else | |
1242 | { | |
58769bee KH |
1243 | n = -n; |
1244 | if (n > flexlines - vpos) | |
1245 | n = flexlines - vpos; | |
1246 | fence = flexlines - n; | |
1247 | for (i = vpos; i < fence; ++i) | |
1248 | line_dance[i] = line_dance[i + n]; | |
1249 | for (i = fence; i < flexlines; ++i) | |
1250 | line_dance[i] = -1; | |
dc6f92b8 JB |
1251 | } |
1252 | } | |
1253 | ||
58769bee KH |
1254 | /* Here's where we actually move the pixels around. |
1255 | Must be called with input blocked. */ | |
1256 | static void | |
1257 | do_line_dance () | |
dc6f92b8 | 1258 | { |
58769bee KH |
1259 | register int i, j, distance; |
1260 | register struct frame *f; | |
1261 | int ht; | |
1262 | int intborder; | |
1263 | ||
1264 | /* Must check this flag first. If it's not set, then not only is the | |
1265 | array uninitialized, but we might not even have a frame. */ | |
1266 | if (!line_dance_in_progress) | |
1267 | return; | |
1268 | ||
1269 | f = updating_frame; | |
1270 | if (f == 0) | |
dc6f92b8 JB |
1271 | abort (); |
1272 | ||
58769bee KH |
1273 | ht = f->height; |
1274 | intborder = f->display.x->internal_border_width; | |
1275 | ||
f676886a | 1276 | x_display_cursor (updating_frame, 0); |
dc6f92b8 | 1277 | |
58769bee KH |
1278 | for (i = 0; i < ht; ++i) |
1279 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) | |
1280 | { | |
1281 | for (j = i; (j < ht && line_dance[j] != -1 | |
1282 | && line_dance[j]-j == distance); ++j); | |
1283 | /* Copy [i,j) upward from [i+distance,j+distance) */ | |
334208b7 | 1284 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1285 | FRAME_X_WINDOW (f), f->display.x->normal_gc, |
1286 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), | |
1287 | f->width * FONT_WIDTH (f->display.x->font), | |
1288 | (j-i) * f->display.x->line_height, | |
1289 | intborder, CHAR_TO_PIXEL_ROW (f, i)); | |
1290 | i = j-1; | |
1291 | } | |
dc6f92b8 | 1292 | |
58769bee KH |
1293 | for (i = ht; --i >=0; ) |
1294 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) | |
1295 | { | |
1296 | for (j = i; (--j >= 0 && line_dance[j] != -1 | |
0ccf5d73 | 1297 | && line_dance[j]-j == distance);); |
58769bee | 1298 | /* Copy (j,i] downward from (j+distance, i+distance] */ |
334208b7 | 1299 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1300 | FRAME_X_WINDOW (f), f->display.x->normal_gc, |
1301 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), | |
1302 | f->width * FONT_WIDTH (f->display.x->font), | |
1303 | (i-j) * f->display.x->line_height, | |
1304 | intborder, CHAR_TO_PIXEL_ROW (f, j+1)); | |
1305 | i = j+1; | |
1306 | } | |
1307 | ||
1308 | for (i = 0; i < ht; ++i) | |
1309 | if (line_dance[i] == -1) | |
1310 | { | |
1311 | for (j = i; j < ht && line_dance[j] == -1; ++j); | |
1312 | /* Clear [i,j) */ | |
334208b7 | 1313 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1314 | intborder, CHAR_TO_PIXEL_ROW (f, i), |
1315 | f->width * FONT_WIDTH (f->display.x->font), | |
1316 | (j-i) * f->display.x->line_height, False); | |
1317 | i = j-1; | |
1318 | } | |
1319 | line_dance_in_progress = 0; | |
dc6f92b8 JB |
1320 | } |
1321 | \f | |
f451eb13 | 1322 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1323 | static void clear_cursor (); |
1324 | ||
f676886a JB |
1325 | /* Output into a rectangle of an X-window (for frame F) |
1326 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1327 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1328 | ROWS and COLS are the size of the rectangle. |
1329 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1330 | |
1331 | static void | |
f676886a JB |
1332 | dumprectangle (f, left, top, cols, rows) |
1333 | struct frame *f; | |
dc6f92b8 JB |
1334 | register int left, top, cols, rows; |
1335 | { | |
f676886a | 1336 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1337 | int cursor_cleared = 0; |
1338 | int bottom, right; | |
1339 | register int y; | |
1340 | ||
f676886a | 1341 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1342 | return; |
1343 | ||
dc6f92b8 JB |
1344 | /* Express rectangle as four edges, instead of position-and-size. */ |
1345 | bottom = top + rows; | |
1346 | right = left + cols; | |
58769bee | 1347 | |
dc6f92b8 JB |
1348 | /* Convert rectangle edges in pixels to edges in chars. |
1349 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1350 | top = PIXEL_TO_CHAR_ROW (f, top); |
1351 | left = PIXEL_TO_CHAR_COL (f, left); | |
a27f9f86 | 1352 | bottom += (f->display.x->line_height - 1); |
f676886a | 1353 | right += (FONT_WIDTH (f->display.x->font) - 1); |
12ba150f JB |
1354 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1355 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1356 | |
1357 | /* Clip the rectangle to what can be visible. */ | |
1358 | if (left < 0) | |
1359 | left = 0; | |
1360 | if (top < 0) | |
1361 | top = 0; | |
f676886a JB |
1362 | if (right > f->width) |
1363 | right = f->width; | |
1364 | if (bottom > f->height) | |
1365 | bottom = f->height; | |
dc6f92b8 JB |
1366 | |
1367 | /* Get size in chars of the rectangle. */ | |
1368 | cols = right - left; | |
1369 | rows = bottom - top; | |
1370 | ||
1371 | /* If rectangle has zero area, return. */ | |
1372 | if (rows <= 0) return; | |
1373 | if (cols <= 0) return; | |
1374 | ||
1375 | /* Turn off the cursor if it is in the rectangle. | |
1376 | We will turn it back on afterward. */ | |
f676886a JB |
1377 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1378 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1379 | { |
f676886a | 1380 | clear_cursor (f); |
dc6f92b8 JB |
1381 | cursor_cleared = 1; |
1382 | } | |
1383 | ||
1384 | /* Display the text in the rectangle, one text line at a time. */ | |
1385 | ||
1386 | for (y = top; y < bottom; y++) | |
1387 | { | |
f676886a | 1388 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1389 | |
f676886a | 1390 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1391 | continue; |
1392 | ||
f676886a | 1393 | dumpglyphs (f, |
12ba150f JB |
1394 | CHAR_TO_PIXEL_COL (f, left), |
1395 | CHAR_TO_PIXEL_ROW (f, y), | |
1396 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1397 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1398 | } |
1399 | ||
1400 | /* Turn the cursor on if we turned it off. */ | |
1401 | ||
1402 | if (cursor_cleared) | |
f676886a | 1403 | x_display_cursor (f, 1); |
dc6f92b8 | 1404 | } |
dc6f92b8 | 1405 | \f |
dc6f92b8 | 1406 | static void |
334208b7 RS |
1407 | frame_highlight (f) |
1408 | struct frame *f; | |
dc6f92b8 | 1409 | { |
b3e1e05c JB |
1410 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1411 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1412 | and border pixel are window attributes which are "private to the | |
1413 | client", so we can always change it to whatever we want. */ | |
1414 | BLOCK_INPUT; | |
334208b7 RS |
1415 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1416 | f->display.x->border_pixel); | |
b3e1e05c | 1417 | UNBLOCK_INPUT; |
334208b7 | 1418 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1419 | } |
1420 | ||
1421 | static void | |
334208b7 RS |
1422 | frame_unhighlight (f) |
1423 | struct frame *f; | |
dc6f92b8 | 1424 | { |
b3e1e05c JB |
1425 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1426 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1427 | and border pixel are window attributes which are "private to the | |
1428 | client", so we can always change it to whatever we want. */ | |
1429 | BLOCK_INPUT; | |
334208b7 RS |
1430 | XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1431 | f->display.x->border_tile); | |
b3e1e05c | 1432 | UNBLOCK_INPUT; |
334208b7 | 1433 | x_display_cursor (f, 1); |
dc6f92b8 | 1434 | } |
dc6f92b8 | 1435 | |
f676886a | 1436 | static void XTframe_rehighlight (); |
6d4238f3 | 1437 | |
f676886a JB |
1438 | /* The focus has changed. Update the frames as necessary to reflect |
1439 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1440 | here, because the lisp code we are interrupting might become confused. |
eb8c3be9 | 1441 | Each event gets marked with the frame in which it occurred, so the |
6d4238f3 | 1442 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1443 | |
6d4238f3 | 1444 | static void |
f676886a JB |
1445 | x_new_focus_frame (frame) |
1446 | struct frame *frame; | |
dc6f92b8 | 1447 | { |
f676886a | 1448 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1449 | int events_enqueued = 0; |
1450 | ||
f676886a | 1451 | if (frame != x_focus_frame) |
dc6f92b8 | 1452 | { |
58769bee | 1453 | /* Set this before calling other routines, so that they see |
f676886a JB |
1454 | the correct value of x_focus_frame. */ |
1455 | x_focus_frame = frame; | |
6d4238f3 JB |
1456 | |
1457 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1458 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1459 | |
1460 | #if 0 | |
f676886a | 1461 | selected_frame = frame; |
e0c1aef2 KH |
1462 | XSETFRAME (XWINDOW (selected_frame->selected_window)->frame, |
1463 | selected_frame); | |
f676886a JB |
1464 | Fselect_window (selected_frame->selected_window); |
1465 | choose_minibuf_frame (); | |
c118dd06 | 1466 | #endif /* ! 0 */ |
dc6f92b8 | 1467 | |
f676886a | 1468 | if (x_focus_frame && x_focus_frame->auto_raise) |
0134a210 RS |
1469 | pending_autoraise_frame = x_focus_frame; |
1470 | else | |
1471 | pending_autoraise_frame = 0; | |
6d4238f3 | 1472 | } |
dc6f92b8 | 1473 | |
f676886a | 1474 | XTframe_rehighlight (); |
6d4238f3 JB |
1475 | } |
1476 | ||
1477 | ||
f451eb13 JB |
1478 | /* The focus has changed, or we have redirected a frame's focus to |
1479 | another frame (this happens when a frame uses a surrogate | |
1480 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1481 | static void |
f676886a | 1482 | XTframe_rehighlight () |
6d4238f3 | 1483 | { |
f676886a | 1484 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1485 | |
f676886a | 1486 | if (x_focus_frame) |
6d4238f3 | 1487 | { |
f451eb13 | 1488 | x_highlight_frame = |
ab648270 | 1489 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1490 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1491 | : x_focus_frame); | |
1492 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1493 | { | |
1494 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1495 | x_highlight_frame = x_focus_frame; | |
1496 | } | |
dc6f92b8 | 1497 | } |
6d4238f3 | 1498 | else |
f676886a | 1499 | x_highlight_frame = 0; |
dc6f92b8 | 1500 | |
f676886a | 1501 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1502 | { |
1503 | if (old_highlight) | |
f676886a JB |
1504 | frame_unhighlight (old_highlight); |
1505 | if (x_highlight_frame) | |
1506 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1507 | } |
dc6f92b8 JB |
1508 | } |
1509 | \f | |
e4571a43 | 1510 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1511 | |
28430d3c JB |
1512 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1513 | static void | |
334208b7 RS |
1514 | x_find_modifier_meanings (dpyinfo) |
1515 | struct x_display_info *dpyinfo; | |
28430d3c | 1516 | { |
f689eb05 | 1517 | int min_code, max_code; |
28430d3c JB |
1518 | KeySym *syms; |
1519 | int syms_per_code; | |
1520 | XModifierKeymap *mods; | |
1521 | ||
334208b7 RS |
1522 | dpyinfo->meta_mod_mask = 0; |
1523 | dpyinfo->shift_lock_mask = 0; | |
1524 | dpyinfo->alt_mod_mask = 0; | |
1525 | dpyinfo->super_mod_mask = 0; | |
1526 | dpyinfo->hyper_mod_mask = 0; | |
58769bee | 1527 | |
9658a521 | 1528 | #ifdef HAVE_X11R4 |
334208b7 | 1529 | XDisplayKeycodes (dpyinfo->display, &min_code, &max_code); |
9658a521 | 1530 | #else |
334208b7 RS |
1531 | min_code = display->min_keycode; |
1532 | max_code = display->max_keycode; | |
9658a521 JB |
1533 | #endif |
1534 | ||
334208b7 | 1535 | syms = XGetKeyboardMapping (dpyinfo->display, |
28430d3c JB |
1536 | min_code, max_code - min_code + 1, |
1537 | &syms_per_code); | |
334208b7 | 1538 | mods = XGetModifierMapping (dpyinfo->display); |
28430d3c | 1539 | |
58769bee | 1540 | /* Scan the modifier table to see which modifier bits the Meta and |
11edeb03 | 1541 | Alt keysyms are on. */ |
28430d3c JB |
1542 | { |
1543 | int row, col; /* The row and column in the modifier table. */ | |
1544 | ||
1545 | for (row = 3; row < 8; row++) | |
1546 | for (col = 0; col < mods->max_keypermod; col++) | |
1547 | { | |
1548 | KeyCode code = | |
1549 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1550 | ||
af92970c KH |
1551 | /* Zeroes are used for filler. Skip them. */ |
1552 | if (code == 0) | |
1553 | continue; | |
1554 | ||
28430d3c JB |
1555 | /* Are any of this keycode's keysyms a meta key? */ |
1556 | { | |
1557 | int code_col; | |
1558 | ||
1559 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1560 | { | |
f689eb05 | 1561 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1562 | |
f689eb05 | 1563 | switch (sym) |
28430d3c | 1564 | { |
f689eb05 JB |
1565 | case XK_Meta_L: |
1566 | case XK_Meta_R: | |
334208b7 | 1567 | dpyinfo->meta_mod_mask |= (1 << row); |
28430d3c | 1568 | break; |
f689eb05 JB |
1569 | |
1570 | case XK_Alt_L: | |
1571 | case XK_Alt_R: | |
334208b7 | 1572 | dpyinfo->alt_mod_mask |= (1 << row); |
a3c44b14 RS |
1573 | break; |
1574 | ||
1575 | case XK_Hyper_L: | |
1576 | case XK_Hyper_R: | |
334208b7 | 1577 | dpyinfo->hyper_mod_mask |= (1 << row); |
a3c44b14 RS |
1578 | break; |
1579 | ||
1580 | case XK_Super_L: | |
1581 | case XK_Super_R: | |
334208b7 | 1582 | dpyinfo->super_mod_mask |= (1 << row); |
f689eb05 | 1583 | break; |
11edeb03 JB |
1584 | |
1585 | case XK_Shift_Lock: | |
1586 | /* Ignore this if it's not on the lock modifier. */ | |
1587 | if ((1 << row) == LockMask) | |
334208b7 | 1588 | dpyinfo->shift_lock_mask = LockMask; |
11edeb03 | 1589 | break; |
28430d3c JB |
1590 | } |
1591 | } | |
1592 | } | |
1593 | } | |
1594 | } | |
1595 | ||
f689eb05 | 1596 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
334208b7 | 1597 | if (! dpyinfo->meta_mod_mask) |
a3c44b14 | 1598 | { |
334208b7 RS |
1599 | dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask; |
1600 | dpyinfo->alt_mod_mask = 0; | |
a3c44b14 | 1601 | } |
f689eb05 | 1602 | |
148c4b70 RS |
1603 | /* If some keys are both alt and meta, |
1604 | make them just meta, not alt. */ | |
334208b7 | 1605 | if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask) |
148c4b70 | 1606 | { |
334208b7 | 1607 | dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask; |
148c4b70 | 1608 | } |
58769bee | 1609 | |
28430d3c | 1610 | XFree ((char *) syms); |
f689eb05 | 1611 | XFreeModifiermap (mods); |
28430d3c JB |
1612 | } |
1613 | ||
dfeccd2d JB |
1614 | /* Convert between the modifier bits X uses and the modifier bits |
1615 | Emacs uses. */ | |
7c5283e4 | 1616 | static unsigned int |
334208b7 RS |
1617 | x_x_to_emacs_modifiers (dpyinfo, state) |
1618 | struct x_display_info *dpyinfo; | |
dc6f92b8 JB |
1619 | unsigned int state; |
1620 | { | |
334208b7 RS |
1621 | return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0) |
1622 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
1623 | | ((state & dpyinfo->meta_mod_mask) ? meta_modifier : 0) | |
1624 | | ((state & dpyinfo->alt_mod_mask) ? alt_modifier : 0) | |
1625 | | ((state & dpyinfo->super_mod_mask) ? super_modifier : 0) | |
1626 | | ((state & dpyinfo->hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1627 | } |
1628 | ||
dfeccd2d | 1629 | static unsigned int |
334208b7 RS |
1630 | x_emacs_to_x_modifiers (dpyinfo, state) |
1631 | struct x_display_info *dpyinfo; | |
dfeccd2d JB |
1632 | unsigned int state; |
1633 | { | |
334208b7 RS |
1634 | return ( ((state & alt_modifier) ? dpyinfo->alt_mod_mask : 0) |
1635 | | ((state & super_modifier) ? dpyinfo->super_mod_mask : 0) | |
1636 | | ((state & hyper_modifier) ? dpyinfo->hyper_mod_mask : 0) | |
1637 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1638 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1639 | | ((state & meta_modifier) ? dpyinfo->meta_mod_mask : 0)); | |
dfeccd2d | 1640 | } |
e4571a43 JB |
1641 | \f |
1642 | /* Mouse clicks and mouse movement. Rah. */ | |
e4571a43 JB |
1643 | |
1644 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1645 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1646 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1647 | If NOCLIP is nonzero, do not force the value into range. */ | |
1648 | ||
c8dba240 | 1649 | void |
69388238 | 1650 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1651 | FRAME_PTR f; |
69388238 | 1652 | register int pix_x, pix_y; |
e4571a43 JB |
1653 | register int *x, *y; |
1654 | XRectangle *bounds; | |
69388238 | 1655 | int noclip; |
e4571a43 | 1656 | { |
69388238 RS |
1657 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1658 | even for negative values. */ | |
1659 | if (pix_x < 0) | |
1660 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1661 | if (pix_y < 0) | |
a27f9f86 | 1662 | pix_y -= (f)->display.x->line_height - 1; |
69388238 | 1663 | |
e4571a43 JB |
1664 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1665 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1666 | ||
1667 | if (bounds) | |
1668 | { | |
1669 | bounds->width = FONT_WIDTH (f->display.x->font); | |
a27f9f86 | 1670 | bounds->height = f->display.x->line_height; |
e4571a43 JB |
1671 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1672 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1673 | } | |
1674 | ||
69388238 RS |
1675 | if (!noclip) |
1676 | { | |
1677 | if (pix_x < 0) | |
1678 | pix_x = 0; | |
1679 | else if (pix_x > f->width) | |
1680 | pix_x = f->width; | |
1681 | ||
1682 | if (pix_y < 0) | |
1683 | pix_y = 0; | |
1684 | else if (pix_y > f->height) | |
1685 | pix_y = f->height; | |
1686 | } | |
e4571a43 JB |
1687 | |
1688 | *x = pix_x; | |
1689 | *y = pix_y; | |
1690 | } | |
1691 | ||
2b5c9e71 RS |
1692 | void |
1693 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1694 | FRAME_PTR f; | |
1695 | register int x, y; | |
1696 | register int *pix_x, *pix_y; | |
1697 | { | |
1698 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1699 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1700 | } | |
1701 | ||
dc6f92b8 JB |
1702 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1703 | ||
1704 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1705 | the mouse. */ |
dc6f92b8 JB |
1706 | |
1707 | static Lisp_Object | |
f451eb13 | 1708 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1709 | struct input_event *result; |
1710 | XButtonEvent *event; | |
f676886a | 1711 | struct frame *f; |
dc6f92b8 | 1712 | { |
f451eb13 | 1713 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1714 | otherwise. */ |
f451eb13 | 1715 | result->kind = mouse_click; |
69388238 | 1716 | result->code = event->button - Button1; |
1113d9db | 1717 | result->timestamp = event->time; |
334208b7 RS |
1718 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1719 | event->state) | |
f689eb05 | 1720 | | (event->type == ButtonRelease |
58769bee | 1721 | ? up_modifier |
f689eb05 | 1722 | : down_modifier)); |
dc6f92b8 | 1723 | |
f451eb13 JB |
1724 | { |
1725 | int row, column; | |
dc6f92b8 | 1726 | |
2b5c9e71 | 1727 | #if 0 |
69388238 | 1728 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
90e1eb6f KH |
1729 | XSETFASTINT (result->x, column); |
1730 | XSETFASTINT (result->y, row); | |
2b5c9e71 | 1731 | #endif |
e0c1aef2 KH |
1732 | XSETINT (result->x, event->x); |
1733 | XSETINT (result->y, event->y); | |
1734 | XSETFRAME (result->frame_or_window, f); | |
f451eb13 | 1735 | } |
dc6f92b8 | 1736 | } |
b849c413 RS |
1737 | |
1738 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
1739 | ||
1740 | static Lisp_Object | |
1741 | construct_menu_click (result, event, f) | |
1742 | struct input_event *result; | |
1743 | XButtonEvent *event; | |
1744 | struct frame *f; | |
1745 | { | |
1746 | /* Make the event type no_event; we'll change that when we decide | |
1747 | otherwise. */ | |
1748 | result->kind = mouse_click; | |
e0c1aef2 | 1749 | XSETINT (result->code, event->button - Button1); |
b849c413 | 1750 | result->timestamp = event->time; |
334208b7 RS |
1751 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1752 | event->state) | |
b849c413 | 1753 | | (event->type == ButtonRelease |
58769bee | 1754 | ? up_modifier |
b849c413 RS |
1755 | : down_modifier)); |
1756 | ||
e0c1aef2 KH |
1757 | XSETINT (result->x, event->x); |
1758 | XSETINT (result->y, -1); | |
1759 | XSETFRAME (result->frame_or_window, f); | |
b849c413 | 1760 | } |
69388238 | 1761 | \f |
90e65f07 JB |
1762 | /* Function to report a mouse movement to the mainstream Emacs code. |
1763 | The input handler calls this. | |
1764 | ||
1765 | We have received a mouse movement event, which is given in *event. | |
1766 | If the mouse is over a different glyph than it was last time, tell | |
1767 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1768 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 1769 | |
90e65f07 | 1770 | static void |
12ba150f | 1771 | note_mouse_movement (frame, event) |
f676886a | 1772 | FRAME_PTR frame; |
90e65f07 JB |
1773 | XMotionEvent *event; |
1774 | ||
1775 | { | |
e5d77022 JB |
1776 | last_mouse_movement_time = event->time; |
1777 | ||
27f338af RS |
1778 | if (event->window != FRAME_X_WINDOW (frame)) |
1779 | { | |
1780 | mouse_moved = 1; | |
1781 | last_mouse_scroll_bar = Qnil; | |
1782 | ||
1783 | note_mouse_highlight (frame, -1, -1); | |
1784 | ||
1785 | /* Ask for another mouse motion event. */ | |
1786 | { | |
1787 | int dummy; | |
847e150a | 1788 | Window dummy_window; |
27f338af RS |
1789 | |
1790 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), | |
847e150a | 1791 | &dummy_window, &dummy_window, |
27f338af RS |
1792 | &dummy, &dummy, &dummy, &dummy, |
1793 | (unsigned int *) &dummy); | |
1794 | } | |
1795 | } | |
1796 | ||
90e65f07 | 1797 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
1798 | else if (event->x < last_mouse_glyph.x |
1799 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1800 | || event->y < last_mouse_glyph.y | |
1801 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1802 | { |
1803 | mouse_moved = 1; | |
ab648270 | 1804 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
1805 | |
1806 | note_mouse_highlight (frame, event->x, event->y); | |
1807 | ||
1808 | /* Ask for another mouse motion event. */ | |
1809 | { | |
1810 | int dummy; | |
847e150a | 1811 | Window dummy_window; |
b8009dd1 | 1812 | |
27f338af | 1813 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1814 | &dummy_window, &dummy_window, |
b8009dd1 RS |
1815 | &dummy, &dummy, &dummy, &dummy, |
1816 | (unsigned int *) &dummy); | |
1817 | } | |
12ba150f | 1818 | } |
90e65f07 JB |
1819 | else |
1820 | { | |
1821 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1822 | event the next time the mouse moves and we can see if it's | |
1823 | *still* on the same glyph. */ | |
1824 | int dummy; | |
847e150a | 1825 | Window dummy_window; |
58769bee | 1826 | |
27f338af | 1827 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1828 | &dummy_window, &dummy_window, |
90e65f07 JB |
1829 | &dummy, &dummy, &dummy, &dummy, |
1830 | (unsigned int *) &dummy); | |
1831 | } | |
1832 | } | |
1833 | ||
bf1c0ba1 RS |
1834 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
1835 | static int disable_mouse_highlight; | |
1836 | ||
b8009dd1 RS |
1837 | /* Take proper action when the mouse has moved to position X, Y on frame F |
1838 | as regards highlighting characters that have mouse-face properties. | |
27f338af RS |
1839 | Also dehighlighting chars where the mouse was before. |
1840 | X and Y can be negative or out of range. */ | |
b8009dd1 RS |
1841 | |
1842 | static void | |
1843 | note_mouse_highlight (f, x, y) | |
1844 | FRAME_PTR f; | |
1845 | { | |
1846 | int row, column, portion; | |
1847 | XRectangle new_glyph; | |
1848 | Lisp_Object window; | |
1849 | struct window *w; | |
1850 | ||
bf1c0ba1 RS |
1851 | if (disable_mouse_highlight) |
1852 | return; | |
1853 | ||
7a13e894 RS |
1854 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x = x; |
1855 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y = y; | |
1856 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame = f; | |
b8009dd1 | 1857 | |
7a13e894 | 1858 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_defer) |
b8009dd1 RS |
1859 | return; |
1860 | ||
514e4681 RS |
1861 | if (gc_in_progress) |
1862 | { | |
7a13e894 | 1863 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 1; |
514e4681 RS |
1864 | return; |
1865 | } | |
1866 | ||
b8009dd1 RS |
1867 | /* Find out which glyph the mouse is on. */ |
1868 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
334208b7 | 1869 | &new_glyph, FRAME_X_DISPLAY_INFO (f)->grabbed); |
b8009dd1 RS |
1870 | |
1871 | /* Which window is that in? */ | |
1872 | window = window_from_coordinates (f, column, row, &portion); | |
1873 | w = XWINDOW (window); | |
1874 | ||
1875 | /* If we were displaying active text in another window, clear that. */ | |
7a13e894 RS |
1876 | if (! EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) |
1877 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); | |
b8009dd1 | 1878 | |
0cdd0c9f RS |
1879 | /* Are we in a window whose display is up to date? |
1880 | And verify the buffer's text has not changed. */ | |
27f338af RS |
1881 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
1882 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
0cdd0c9f RS |
1883 | && EQ (w->window_end_valid, w->buffer) |
1884 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
1885 | { |
1886 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
1887 | int i, pos; | |
1888 | ||
1889 | /* Find which buffer position the mouse corresponds to. */ | |
1890 | for (i = column; i >= 0; i--) | |
1891 | if (ptr[i] > 0) | |
1892 | break; | |
1893 | pos = ptr[i]; | |
1894 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 | 1895 | if (pos <= 0) |
7a13e894 RS |
1896 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
1897 | else if (! (EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window) | |
1898 | && row >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1899 | && row <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1900 | && (row > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1901 | || column >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col) | |
1902 | && (row < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1903 | || column < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
1904 | || FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end))) | |
b8009dd1 RS |
1905 | { |
1906 | Lisp_Object mouse_face, overlay, position; | |
1907 | Lisp_Object *overlay_vec; | |
1908 | int len, noverlays, ignor1; | |
f8bdb8e6 | 1909 | struct buffer *obuf; |
e444162e | 1910 | int obegv, ozv; |
f8bdb8e6 | 1911 | |
e444162e RS |
1912 | /* If we get an out-of-range value, return now; avoid an error. */ |
1913 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 1914 | return; |
b8009dd1 | 1915 | |
09fe4c31 RS |
1916 | /* Make the window's buffer temporarily current for |
1917 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 1918 | obuf = current_buffer; |
09fe4c31 | 1919 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
1920 | obegv = BEGV; |
1921 | ozv = ZV; | |
1922 | BEGV = BEG; | |
1923 | ZV = Z; | |
09fe4c31 | 1924 | |
b8009dd1 | 1925 | /* Yes. Clear the display of the old active region, if any. */ |
7a13e894 | 1926 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
b8009dd1 RS |
1927 | |
1928 | /* Is this char mouse-active? */ | |
e0c1aef2 | 1929 | XSETINT (position, pos); |
b8009dd1 RS |
1930 | |
1931 | len = 10; | |
1932 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
1933 | ||
1934 | /* Put all the overlays we want in a vector in overlay_vec. | |
1935 | Store the length in len. */ | |
7965883b RS |
1936 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, |
1937 | NULL, NULL); | |
09fe4c31 | 1938 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
1939 | |
1940 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
1941 | overlay = Qnil; | |
1942 | for (i = 0; i < noverlays; i++) | |
1943 | { | |
1944 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
1945 | if (!NILP (mouse_face)) | |
1946 | { | |
1947 | overlay = overlay_vec[i]; | |
1948 | break; | |
1949 | } | |
1950 | } | |
1951 | free (overlay_vec); | |
1952 | /* If no overlay applies, get a text property. */ | |
1953 | if (NILP (overlay)) | |
1954 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
1955 | ||
1956 | /* Handle the overlay case. */ | |
1957 | if (! NILP (overlay)) | |
1958 | { | |
1959 | /* Find the range of text around this char that | |
1960 | should be active. */ | |
1961 | Lisp_Object before, after; | |
1962 | int ignore; | |
1963 | ||
1964 | before = Foverlay_start (overlay); | |
1965 | after = Foverlay_end (overlay); | |
1966 | /* Record this as the current active region. */ | |
7a13e894 RS |
1967 | fast_find_position (window, before, |
1968 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
1969 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
1970 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
1971 | = !fast_find_position (window, after, | |
1972 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
1973 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
1974 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
1975 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
1976 | = compute_char_face (f, w, pos, 0, 0, | |
1977 | &ignore, pos + 1, 1); | |
b8009dd1 RS |
1978 | |
1979 | /* Display it as active. */ | |
7a13e894 | 1980 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 RS |
1981 | } |
1982 | /* Handle the text property case. */ | |
1983 | else if (! NILP (mouse_face)) | |
1984 | { | |
1985 | /* Find the range of text around this char that | |
1986 | should be active. */ | |
1987 | Lisp_Object before, after, beginning, end; | |
1988 | int ignore; | |
1989 | ||
1990 | beginning = Fmarker_position (w->start); | |
e0c1aef2 KH |
1991 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) |
1992 | - XFASTINT (w->window_end_pos))); | |
b8009dd1 RS |
1993 | before |
1994 | = Fprevious_single_property_change (make_number (pos + 1), | |
1995 | Qmouse_face, | |
1996 | w->buffer, beginning); | |
1997 | after | |
1998 | = Fnext_single_property_change (position, Qmouse_face, | |
1999 | w->buffer, end); | |
2000 | /* Record this as the current active region. */ | |
7a13e894 RS |
2001 | fast_find_position (window, before, |
2002 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
2003 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
2004 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
2005 | = !fast_find_position (window, after, | |
2006 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
2007 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
2008 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
2009 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
b8009dd1 RS |
2010 | = compute_char_face (f, w, pos, 0, 0, |
2011 | &ignore, pos + 1, 1); | |
2012 | ||
2013 | /* Display it as active. */ | |
7a13e894 | 2014 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 | 2015 | } |
e444162e RS |
2016 | BEGV = obegv; |
2017 | ZV = ozv; | |
09fe4c31 | 2018 | current_buffer = obuf; |
b8009dd1 | 2019 | } |
b8009dd1 RS |
2020 | } |
2021 | } | |
2022 | \f | |
2023 | /* Find the row and column of position POS in window WINDOW. | |
2024 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2025 | This assumes display in WINDOW is up to date. |
2026 | If POS is above start of WINDOW, return coords | |
2027 | of start of first screen line. | |
4d73d038 RS |
2028 | If POS is after end of WINDOW, return coords of end of last screen line. |
2029 | ||
2030 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
b8009dd1 RS |
2031 | |
2032 | static int | |
2033 | fast_find_position (window, pos, columnp, rowp) | |
2034 | Lisp_Object window; | |
2035 | int pos; | |
2036 | int *columnp, *rowp; | |
2037 | { | |
2038 | struct window *w = XWINDOW (window); | |
2039 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2040 | int i; | |
4d73d038 | 2041 | int row = 0; |
b8009dd1 RS |
2042 | int left = w->left; |
2043 | int top = w->top; | |
2044 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2045 | int width = window_internal_width (w); | |
2046 | int *charstarts; | |
bf1c0ba1 | 2047 | int lastcol; |
b8009dd1 | 2048 | |
4d73d038 | 2049 | /* Find the right row. */ |
b8009dd1 RS |
2050 | for (i = 0; |
2051 | i < height; | |
2052 | i++) | |
2053 | { | |
2054 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2055 | if (linestart > pos) | |
2056 | break; | |
2057 | if (linestart > 0) | |
2058 | row = i; | |
2059 | } | |
2060 | ||
4d73d038 | 2061 | /* Find the right column with in it. */ |
b8009dd1 | 2062 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
bf1c0ba1 | 2063 | lastcol = left; |
b8009dd1 | 2064 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2065 | { |
2066 | if (charstarts[left + i] == pos) | |
2067 | { | |
2068 | *rowp = row + top; | |
2069 | *columnp = i + left; | |
2070 | return 1; | |
2071 | } | |
2072 | else if (charstarts[left + i] > pos) | |
4d73d038 RS |
2073 | break; |
2074 | else if (charstarts[left + i] > 0) | |
bf1c0ba1 RS |
2075 | lastcol = left + i; |
2076 | } | |
b8009dd1 | 2077 | |
bf1c0ba1 RS |
2078 | *rowp = row + top; |
2079 | *columnp = lastcol; | |
b8009dd1 RS |
2080 | return 0; |
2081 | } | |
2082 | ||
2083 | /* Display the active region described by mouse_face_* | |
2084 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2085 | ||
2086 | static void | |
7a13e894 RS |
2087 | show_mouse_face (dpyinfo, hl) |
2088 | struct x_display_info *dpyinfo; | |
b8009dd1 RS |
2089 | int hl; |
2090 | { | |
7a13e894 | 2091 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); |
b8009dd1 RS |
2092 | int width = window_internal_width (w); |
2093 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2094 | int i; | |
514e4681 | 2095 | int cursor_off = 0; |
fb3b7de5 RS |
2096 | int old_curs_x = curs_x; |
2097 | int old_curs_y = curs_y; | |
2098 | ||
2099 | /* Set these variables temporarily | |
2100 | so that if we have to turn the cursor off and on again | |
2101 | we will put it back at the same place. */ | |
2102 | curs_x = f->phys_cursor_x; | |
2103 | curs_y = f->phys_cursor_y; | |
b8009dd1 | 2104 | |
7a13e894 RS |
2105 | for (i = FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row; |
2106 | i <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row; i++) | |
b8009dd1 | 2107 | { |
7a13e894 RS |
2108 | int column = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
2109 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col | |
2110 | : w->left); | |
2111 | int endcolumn = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
2112 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
2113 | : w->left + width); | |
6f4c2453 | 2114 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
514e4681 RS |
2115 | |
2116 | /* If the cursor's in the text we are about to rewrite, | |
2117 | turn the cursor off. */ | |
2118 | if (i == curs_y | |
7a13e894 RS |
2119 | && curs_x >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col - 1 |
2120 | && curs_x <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col) | |
514e4681 RS |
2121 | { |
2122 | x_display_cursor (f, 0); | |
2123 | cursor_off = 1; | |
2124 | } | |
b8009dd1 RS |
2125 | |
2126 | dumpglyphs (f, | |
2127 | CHAR_TO_PIXEL_COL (f, column), | |
2128 | CHAR_TO_PIXEL_ROW (f, i), | |
2129 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2130 | endcolumn - column, | |
2131 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2132 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2133 | } |
2134 | ||
514e4681 RS |
2135 | /* If we turned the cursor off, turn it back on. */ |
2136 | if (cursor_off) | |
2137 | x_display_cursor (f, 1); | |
27ead1d5 | 2138 | |
fb3b7de5 RS |
2139 | curs_x = old_curs_x; |
2140 | curs_y = old_curs_y; | |
2141 | ||
27ead1d5 FP |
2142 | /* Change the mouse cursor according to the value of HL. */ |
2143 | if (hl > 0) | |
334208b7 RS |
2144 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
2145 | f->display.x->cross_cursor); | |
27ead1d5 | 2146 | else |
334208b7 RS |
2147 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
2148 | f->display.x->text_cursor); | |
b8009dd1 RS |
2149 | } |
2150 | ||
2151 | /* Clear out the mouse-highlighted active region. | |
2152 | Redraw it unhighlighted first. */ | |
2153 | ||
2154 | static void | |
7a13e894 RS |
2155 | clear_mouse_face (dpyinfo) |
2156 | struct x_display_info *dpyinfo; | |
b8009dd1 | 2157 | { |
7a13e894 RS |
2158 | if (! NILP (dpyinfo->mouse_face_window)) |
2159 | show_mouse_face (dpyinfo, 0); | |
b8009dd1 | 2160 | |
7a13e894 RS |
2161 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
2162 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
2163 | dpyinfo->mouse_face_window = Qnil; | |
b8009dd1 RS |
2164 | } |
2165 | \f | |
ab648270 JB |
2166 | static struct scroll_bar *x_window_to_scroll_bar (); |
2167 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2168 | |
90e65f07 JB |
2169 | /* Return the current position of the mouse. |
2170 | ||
ab648270 JB |
2171 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
2172 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 2173 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2174 | position on the scroll bar. |
12ba150f JB |
2175 | |
2176 | If the mouse movement started elsewhere, set *f to the frame the | |
2177 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2178 | the mouse is over. | |
2179 | ||
2180 | Set *time to the server timestamp for the time at which the mouse | |
2181 | was at this position. | |
2182 | ||
a135645a RS |
2183 | Don't store anything if we don't have a valid set of values to report. |
2184 | ||
90e65f07 | 2185 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2186 | movement. This also calls XQueryPointer, which will cause the |
2187 | server to give us another MotionNotify when the mouse moves | |
2188 | again. */ | |
90e65f07 JB |
2189 | |
2190 | static void | |
334208b7 RS |
2191 | XTmouse_position (fp, bar_window, part, x, y, time) |
2192 | FRAME_PTR *fp; | |
12ba150f | 2193 | Lisp_Object *bar_window; |
ab648270 | 2194 | enum scroll_bar_part *part; |
90e65f07 | 2195 | Lisp_Object *x, *y; |
e5d77022 | 2196 | unsigned long *time; |
90e65f07 | 2197 | { |
a135645a RS |
2198 | FRAME_PTR f1; |
2199 | ||
90e65f07 JB |
2200 | BLOCK_INPUT; |
2201 | ||
ab648270 | 2202 | if (! NILP (last_mouse_scroll_bar)) |
334208b7 | 2203 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
90e65f07 JB |
2204 | else |
2205 | { | |
12ba150f JB |
2206 | Window root; |
2207 | int root_x, root_y; | |
90e65f07 | 2208 | |
12ba150f JB |
2209 | Window dummy_window; |
2210 | int dummy; | |
2211 | ||
2212 | mouse_moved = 0; | |
ab648270 | 2213 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2214 | |
2215 | /* Figure out which root window we're on. */ | |
334208b7 RS |
2216 | XQueryPointer (FRAME_X_DISPLAY (*fp), |
2217 | DefaultRootWindow (FRAME_X_DISPLAY (*fp)), | |
12ba150f JB |
2218 | |
2219 | /* The root window which contains the pointer. */ | |
2220 | &root, | |
2221 | ||
2222 | /* Trash which we can't trust if the pointer is on | |
2223 | a different screen. */ | |
2224 | &dummy_window, | |
2225 | ||
2226 | /* The position on that root window. */ | |
58769bee | 2227 | &root_x, &root_y, |
12ba150f JB |
2228 | |
2229 | /* More trash we can't trust. */ | |
2230 | &dummy, &dummy, | |
2231 | ||
2232 | /* Modifier keys and pointer buttons, about which | |
2233 | we don't care. */ | |
2234 | (unsigned int *) &dummy); | |
2235 | ||
2236 | /* Now we have a position on the root; find the innermost window | |
2237 | containing the pointer. */ | |
2238 | { | |
2239 | Window win, child; | |
2240 | int win_x, win_y; | |
2241 | int parent_x, parent_y; | |
2242 | ||
2243 | win = root; | |
69388238 | 2244 | |
334208b7 | 2245 | if (FRAME_X_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
23faf38f | 2246 | && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 2247 | { |
69388238 RS |
2248 | /* If mouse was grabbed on a frame, give coords for that frame |
2249 | even if the mouse is now outside it. */ | |
334208b7 | 2250 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
69388238 | 2251 | |
12ba150f | 2252 | /* From-window, to-window. */ |
69388238 | 2253 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2254 | |
2255 | /* From-position, to-position. */ | |
2256 | root_x, root_y, &win_x, &win_y, | |
2257 | ||
2258 | /* Child of win. */ | |
2259 | &child); | |
69388238 RS |
2260 | f1 = last_mouse_frame; |
2261 | } | |
2262 | else | |
2263 | { | |
2264 | while (1) | |
2265 | { | |
334208b7 | 2266 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
12ba150f | 2267 | |
69388238 RS |
2268 | /* From-window, to-window. */ |
2269 | root, win, | |
12ba150f | 2270 | |
69388238 RS |
2271 | /* From-position, to-position. */ |
2272 | root_x, root_y, &win_x, &win_y, | |
2273 | ||
2274 | /* Child of win. */ | |
2275 | &child); | |
2276 | ||
2277 | if (child == None) | |
2278 | break; | |
2279 | ||
2280 | win = child; | |
2281 | parent_x = win_x; | |
2282 | parent_y = win_y; | |
2283 | } | |
12ba150f | 2284 | |
69388238 RS |
2285 | /* Now we know that: |
2286 | win is the innermost window containing the pointer | |
2287 | (XTC says it has no child containing the pointer), | |
2288 | win_x and win_y are the pointer's position in it | |
2289 | (XTC did this the last time through), and | |
2290 | parent_x and parent_y are the pointer's position in win's parent. | |
2291 | (They are what win_x and win_y were when win was child. | |
2292 | If win is the root window, it has no parent, and | |
2293 | parent_{x,y} are invalid, but that's okay, because we'll | |
2294 | never use them in that case.) */ | |
2295 | ||
2296 | /* Is win one of our frames? */ | |
2b5c9e71 | 2297 | f1 = x_any_window_to_frame (win); |
69388238 | 2298 | } |
58769bee | 2299 | |
ab648270 | 2300 | /* If not, is it one of our scroll bars? */ |
a135645a | 2301 | if (! f1) |
12ba150f | 2302 | { |
ab648270 | 2303 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2304 | |
2305 | if (bar) | |
2306 | { | |
a135645a | 2307 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2308 | win_x = parent_x; |
2309 | win_y = parent_y; | |
2310 | } | |
2311 | } | |
90e65f07 | 2312 | |
a135645a | 2313 | if (f1) |
12ba150f | 2314 | { |
2b5c9e71 RS |
2315 | int ignore1, ignore2; |
2316 | ||
2317 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2318 | |
2b5c9e71 | 2319 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
334208b7 RS |
2320 | &last_mouse_glyph, |
2321 | FRAME_X_DISPLAY_INFO (f1)->grabbed); | |
12ba150f JB |
2322 | |
2323 | *bar_window = Qnil; | |
2324 | *part = 0; | |
334208b7 | 2325 | *fp = f1; |
e0c1aef2 KH |
2326 | XSETINT (*x, win_x); |
2327 | XSETINT (*y, win_y); | |
12ba150f JB |
2328 | *time = last_mouse_movement_time; |
2329 | } | |
2330 | } | |
2331 | } | |
90e65f07 JB |
2332 | |
2333 | UNBLOCK_INPUT; | |
2334 | } | |
c118dd06 | 2335 | \f |
ab648270 | 2336 | /* Scroll bar support. */ |
f451eb13 | 2337 | |
ab648270 JB |
2338 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2339 | This can be called in GC, so we have to make sure to strip off mark | |
2340 | bits. */ | |
2341 | static struct scroll_bar * | |
2342 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2343 | Window window_id; |
2344 | { | |
2345 | Lisp_Object tail, frame; | |
f451eb13 | 2346 | |
ab648270 JB |
2347 | for (tail = Vframe_list; |
2348 | XGCTYPE (tail) == Lisp_Cons; | |
2349 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2350 | { |
abdda982 | 2351 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2352 | |
abdda982 | 2353 | frame = XCONS (tail)->car; |
f451eb13 | 2354 | /* All elements of Vframe_list should be frames. */ |
ab648270 | 2355 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
2356 | abort (); |
2357 | ||
ab648270 | 2358 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2359 | right window ID. */ |
ab648270 JB |
2360 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2361 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2362 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2363 | condemned scroll bar lists with one loop. */ |
2364 | ! GC_NILP (bar) || (bar = condemned, | |
2365 | condemned = Qnil, | |
2366 | ! GC_NILP (bar)); | |
bc20ebbf | 2367 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2368 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2369 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2370 | } |
2371 | ||
2372 | return 0; | |
2373 | } | |
2374 | ||
ab648270 JB |
2375 | /* Open a new X window to serve as a scroll bar, and return the |
2376 | scroll bar vector for it. */ | |
2377 | static struct scroll_bar * | |
2378 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2379 | struct window *window; |
f451eb13 JB |
2380 | int top, left, width, height; |
2381 | { | |
334208b7 RS |
2382 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
2383 | struct scroll_bar *bar | |
2384 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2385 | |
2386 | BLOCK_INPUT; | |
2387 | ||
2388 | { | |
2389 | XSetWindowAttributes a; | |
2390 | unsigned long mask; | |
334208b7 | 2391 | a.background_pixel = f->display.x->background_pixel; |
12ba150f | 2392 | a.event_mask = (ButtonPressMask | ButtonReleaseMask |
9a572e2a | 2393 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2394 | | ExposureMask); |
7a13e894 | 2395 | a.cursor = FRAME_X_DISPLAY_INFO (f)->vertical_scroll_bar_cursor; |
f451eb13 | 2396 | |
dbc4e1c1 | 2397 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2398 | |
3afe33e7 RS |
2399 | #if 0 |
2400 | ||
2401 | ac = 0; | |
2402 | XtSetArg (al[ac], XtNx, left); ac++; | |
2403 | XtSetArg (al[ac], XtNy, top); ac++; | |
2404 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2405 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2406 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2407 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 | 2408 | boxWidgetClass, |
334208b7 | 2409 | f->display.x->edit_widget, al, ac); |
7246d1d3 | 2410 | SET_SCROLL_BAR_X_WINDOW |
3afe33e7 | 2411 | (bar, sb_widget->core.window); |
58769bee | 2412 | #endif |
7246d1d3 | 2413 | SET_SCROLL_BAR_X_WINDOW |
58769bee | 2414 | (bar, |
334208b7 | 2415 | XCreateWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f451eb13 | 2416 | |
ab648270 | 2417 | /* Position and size of scroll bar. */ |
12ba150f | 2418 | left, top, width, height, |
f451eb13 | 2419 | |
12ba150f JB |
2420 | /* Border width, depth, class, and visual. */ |
2421 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2422 | |
12ba150f JB |
2423 | /* Attributes. */ |
2424 | mask, &a)); | |
f451eb13 JB |
2425 | } |
2426 | ||
e0c1aef2 KH |
2427 | XSETWINDOW (bar->window, window); |
2428 | XSETINT (bar->top, top); | |
2429 | XSETINT (bar->left, left); | |
2430 | XSETINT (bar->width, width); | |
2431 | XSETINT (bar->height, height); | |
2432 | XSETINT (bar->start, 0); | |
2433 | XSETINT (bar->end, 0); | |
12ba150f | 2434 | bar->dragging = Qnil; |
f451eb13 JB |
2435 | |
2436 | /* Add bar to its frame's list of scroll bars. */ | |
334208b7 | 2437 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2438 | bar->prev = Qnil; |
334208b7 | 2439 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2440 | if (! NILP (bar->next)) |
e0c1aef2 | 2441 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
f451eb13 | 2442 | |
334208b7 | 2443 | XMapWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2444 | |
2445 | UNBLOCK_INPUT; | |
12ba150f JB |
2446 | |
2447 | return bar; | |
f451eb13 JB |
2448 | } |
2449 | ||
12ba150f JB |
2450 | /* Draw BAR's handle in the proper position. |
2451 | If the handle is already drawn from START to END, don't bother | |
2452 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2453 | redraw it. (REBUILD is handy for drawing the handle after expose | |
58769bee | 2454 | events.) |
12ba150f JB |
2455 | |
2456 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2457 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2458 | handle, we want to let them drag it down all the way, so that the |
2459 | bar's top is as far down as it goes; otherwise, there's no way to | |
2460 | move to the very end of the buffer. */ | |
f451eb13 | 2461 | static void |
ab648270 JB |
2462 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2463 | struct scroll_bar *bar; | |
f451eb13 | 2464 | int start, end; |
12ba150f | 2465 | int rebuild; |
f451eb13 | 2466 | { |
12ba150f | 2467 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2468 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 RS |
2469 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2470 | GC gc = f->display.x->normal_gc; | |
12ba150f JB |
2471 | |
2472 | /* If the display is already accurate, do nothing. */ | |
2473 | if (! rebuild | |
2474 | && start == XINT (bar->start) | |
2475 | && end == XINT (bar->end)) | |
2476 | return; | |
2477 | ||
f451eb13 JB |
2478 | BLOCK_INPUT; |
2479 | ||
2480 | { | |
ab648270 JB |
2481 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2482 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2483 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2484 | |
2485 | /* Make sure the values are reasonable, and try to preserve | |
2486 | the distance between start and end. */ | |
12ba150f JB |
2487 | { |
2488 | int length = end - start; | |
2489 | ||
2490 | if (start < 0) | |
2491 | start = 0; | |
2492 | else if (start > top_range) | |
2493 | start = top_range; | |
2494 | end = start + length; | |
2495 | ||
2496 | if (end < start) | |
2497 | end = start; | |
2498 | else if (end > top_range && ! dragging) | |
2499 | end = top_range; | |
2500 | } | |
f451eb13 | 2501 | |
ab648270 | 2502 | /* Store the adjusted setting in the scroll bar. */ |
e0c1aef2 KH |
2503 | XSETINT (bar->start, start); |
2504 | XSETINT (bar->end, end); | |
f451eb13 | 2505 | |
12ba150f JB |
2506 | /* Clip the end position, just for display. */ |
2507 | if (end > top_range) | |
2508 | end = top_range; | |
f451eb13 | 2509 | |
ab648270 | 2510 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2511 | below top positions, to make sure the handle is always at least |
2512 | that many pixels tall. */ | |
ab648270 | 2513 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2514 | |
12ba150f JB |
2515 | /* Draw the empty space above the handle. Note that we can't clear |
2516 | zero-height areas; that means "clear to end of window." */ | |
2517 | if (0 < start) | |
334208b7 | 2518 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2519 | |
12ba150f | 2520 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2521 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2522 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2523 | inside_width, start, |
2524 | False); | |
f451eb13 | 2525 | |
12ba150f | 2526 | /* Draw the handle itself. */ |
334208b7 | 2527 | XFillRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 | 2528 | |
12ba150f | 2529 | /* x, y, width, height */ |
ab648270 JB |
2530 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2531 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2532 | inside_width, end - start); |
f451eb13 | 2533 | |
f451eb13 | 2534 | |
12ba150f JB |
2535 | /* Draw the empty space below the handle. Note that we can't |
2536 | clear zero-height areas; that means "clear to end of window." */ | |
2537 | if (end < inside_height) | |
334208b7 | 2538 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2539 | |
12ba150f | 2540 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2541 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2542 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2543 | inside_width, inside_height - end, |
2544 | False); | |
f451eb13 | 2545 | |
f451eb13 JB |
2546 | } |
2547 | ||
f451eb13 JB |
2548 | UNBLOCK_INPUT; |
2549 | } | |
2550 | ||
eb8c3be9 | 2551 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2552 | window configurations. */ |
f451eb13 | 2553 | static void |
ab648270 JB |
2554 | x_scroll_bar_move (bar, top, left, width, height) |
2555 | struct scroll_bar *bar; | |
f451eb13 JB |
2556 | int top, left, width, height; |
2557 | { | |
334208b7 RS |
2558 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2559 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2560 | ||
f451eb13 JB |
2561 | BLOCK_INPUT; |
2562 | ||
2563 | { | |
2564 | XWindowChanges wc; | |
2565 | unsigned int mask = 0; | |
2566 | ||
2567 | wc.x = left; | |
2568 | wc.y = top; | |
2569 | wc.width = width; | |
2570 | wc.height = height; | |
2571 | ||
12ba150f JB |
2572 | if (left != XINT (bar->left)) mask |= CWX; |
2573 | if (top != XINT (bar->top)) mask |= CWY; | |
2574 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2575 | if (height != XINT (bar->height)) mask |= CWHeight; | |
58769bee | 2576 | |
12ba150f | 2577 | if (mask) |
334208b7 | 2578 | XConfigureWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2579 | mask, &wc); |
f451eb13 JB |
2580 | } |
2581 | ||
e0c1aef2 KH |
2582 | XSETINT (bar->left, left); |
2583 | XSETINT (bar->top, top); | |
2584 | XSETINT (bar->width, width); | |
2585 | XSETINT (bar->height, height); | |
12ba150f | 2586 | |
f451eb13 JB |
2587 | UNBLOCK_INPUT; |
2588 | } | |
2589 | ||
ab648270 | 2590 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2591 | to nil. */ |
2592 | static void | |
ab648270 JB |
2593 | x_scroll_bar_remove (bar) |
2594 | struct scroll_bar *bar; | |
12ba150f JB |
2595 | { |
2596 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2597 | ||
2598 | BLOCK_INPUT; | |
2599 | ||
2600 | /* Destroy the window. */ | |
334208b7 | 2601 | XDestroyWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2602 | |
ab648270 JB |
2603 | /* Disassociate this scroll bar from its window. */ |
2604 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2605 | |
2606 | UNBLOCK_INPUT; | |
2607 | } | |
2608 | ||
2609 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2610 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2611 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2612 | create one. */ |
2613 | static void | |
ab648270 | 2614 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2615 | struct window *window; |
2616 | int portion, whole, position; | |
2617 | { | |
2618 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2619 | int top = XINT (window->top); |
ab648270 JB |
2620 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2621 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2622 | |
ab648270 | 2623 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2624 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2625 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
b2cad826 KH |
2626 | int pixel_width |
2627 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
2628 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
2629 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->display.x->font))); | |
ab648270 | 2630 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); |
f451eb13 | 2631 | |
ab648270 | 2632 | struct scroll_bar *bar; |
12ba150f | 2633 | |
ab648270 JB |
2634 | /* Does the scroll bar exist yet? */ |
2635 | if (NILP (window->vertical_scroll_bar)) | |
2636 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2637 | pixel_top, pixel_left, |
2638 | pixel_width, pixel_height); | |
2639 | else | |
12ba150f JB |
2640 | { |
2641 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2642 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2643 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2644 | } |
f451eb13 | 2645 | |
ab648270 | 2646 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2647 | dragged. */ |
12ba150f | 2648 | if (NILP (bar->dragging)) |
f451eb13 | 2649 | { |
12ba150f | 2650 | int top_range = |
ab648270 | 2651 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2652 | |
12ba150f | 2653 | if (whole == 0) |
ab648270 | 2654 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2655 | else |
2656 | { | |
43f868f5 JB |
2657 | int start = ((double) position * top_range) / whole; |
2658 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2659 | |
ab648270 | 2660 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2661 | } |
f451eb13 JB |
2662 | } |
2663 | ||
e0c1aef2 | 2664 | XSETVECTOR (window->vertical_scroll_bar, bar); |
f451eb13 JB |
2665 | } |
2666 | ||
12ba150f | 2667 | |
f451eb13 | 2668 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2669 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2670 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2671 | away is a real pain - "Can you say set-window-configuration, boys |
2672 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2673 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2674 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2675 | |
ab648270 JB |
2676 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2677 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2678 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
58769bee | 2679 | static void |
ab648270 | 2680 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2681 | FRAME_PTR frame; |
2682 | { | |
12ba150f JB |
2683 | /* The condemned list should be empty at this point; if it's not, |
2684 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2685 | protocol correctly. */ | |
ab648270 | 2686 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2687 | abort (); |
2688 | ||
2689 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2690 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2691 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2692 | } |
2693 | ||
ab648270 | 2694 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2695 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2696 | static void |
ab648270 | 2697 | XTredeem_scroll_bar (window) |
12ba150f | 2698 | struct window *window; |
f451eb13 | 2699 | { |
ab648270 | 2700 | struct scroll_bar *bar; |
12ba150f | 2701 | |
ab648270 JB |
2702 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2703 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2704 | abort (); |
2705 | ||
ab648270 | 2706 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2707 | |
2708 | /* Unlink it from the condemned list. */ | |
2709 | { | |
2710 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2711 | ||
2712 | if (NILP (bar->prev)) | |
2713 | { | |
2714 | /* If the prev pointer is nil, it must be the first in one of | |
2715 | the lists. */ | |
ab648270 | 2716 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2717 | /* It's not condemned. Everything's fine. */ |
2718 | return; | |
ab648270 JB |
2719 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2720 | window->vertical_scroll_bar)) | |
2721 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2722 | else |
2723 | /* If its prev pointer is nil, it must be at the front of | |
2724 | one or the other! */ | |
2725 | abort (); | |
2726 | } | |
2727 | else | |
ab648270 | 2728 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2729 | |
2730 | if (! NILP (bar->next)) | |
ab648270 | 2731 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2732 | |
ab648270 | 2733 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2734 | bar->prev = Qnil; |
e0c1aef2 | 2735 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2736 | if (! NILP (bar->next)) |
e0c1aef2 | 2737 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
12ba150f | 2738 | } |
f451eb13 JB |
2739 | } |
2740 | ||
ab648270 JB |
2741 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2742 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2743 | static void |
ab648270 | 2744 | XTjudge_scroll_bars (f) |
12ba150f | 2745 | FRAME_PTR f; |
f451eb13 | 2746 | { |
12ba150f | 2747 | Lisp_Object bar, next; |
f451eb13 | 2748 | |
ab648270 | 2749 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2750 | |
2751 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2752 | more events on the hapless scroll bars. */ |
2753 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2754 | |
2755 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2756 | { |
ab648270 | 2757 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2758 | |
ab648270 | 2759 | x_scroll_bar_remove (b); |
12ba150f JB |
2760 | |
2761 | next = b->next; | |
2762 | b->next = b->prev = Qnil; | |
f451eb13 | 2763 | } |
12ba150f | 2764 | |
ab648270 | 2765 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2766 | and they should get garbage-collected. */ |
f451eb13 JB |
2767 | } |
2768 | ||
2769 | ||
ab648270 JB |
2770 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2771 | ||
2772 | This may be called from a signal handler, so we have to ignore GC | |
2773 | mark bits. */ | |
f451eb13 | 2774 | static void |
ab648270 JB |
2775 | x_scroll_bar_expose (bar, event) |
2776 | struct scroll_bar *bar; | |
f451eb13 JB |
2777 | XEvent *event; |
2778 | { | |
ab648270 | 2779 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 RS |
2780 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2781 | GC gc = f->display.x->normal_gc; | |
12ba150f | 2782 | |
f451eb13 JB |
2783 | BLOCK_INPUT; |
2784 | ||
ab648270 | 2785 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2786 | |
ab648270 | 2787 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
334208b7 | 2788 | XDrawRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 JB |
2789 | |
2790 | /* x, y, width, height */ | |
12ba150f | 2791 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2792 | |
f451eb13 JB |
2793 | UNBLOCK_INPUT; |
2794 | } | |
2795 | ||
ab648270 JB |
2796 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2797 | is set to something other than no_event, it is enqueued. | |
2798 | ||
2799 | This may be called from a signal handler, so we have to ignore GC | |
2800 | mark bits. */ | |
f451eb13 | 2801 | static void |
ab648270 JB |
2802 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2803 | struct scroll_bar *bar; | |
f451eb13 JB |
2804 | XEvent *event; |
2805 | struct input_event *emacs_event; | |
2806 | { | |
ab648270 | 2807 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2808 | abort (); |
2809 | ||
ab648270 | 2810 | emacs_event->kind = scroll_bar_click; |
69388238 | 2811 | emacs_event->code = event->xbutton.button - Button1; |
f451eb13 | 2812 | emacs_event->modifiers = |
334208b7 RS |
2813 | (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))), |
2814 | event->xbutton.state) | |
f451eb13 JB |
2815 | | (event->type == ButtonRelease |
2816 | ? up_modifier | |
2817 | : down_modifier)); | |
12ba150f | 2818 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2819 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2820 | { |
2821 | int internal_height = | |
ab648270 | 2822 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2823 | int top_range = |
ab648270 JB |
2824 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2825 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2826 | |
2827 | if (y < 0) y = 0; | |
2828 | if (y > top_range) y = top_range; | |
2829 | ||
2830 | if (y < XINT (bar->start)) | |
ab648270 JB |
2831 | emacs_event->part = scroll_bar_above_handle; |
2832 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2833 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2834 | else |
ab648270 | 2835 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2836 | |
2837 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2838 | they want to drag it. Lisp code needs to be able to decide |
2839 | whether or not we're dragging. */ | |
929787e1 | 2840 | #if 0 |
12ba150f JB |
2841 | /* If the user has just clicked on the handle, record where they're |
2842 | holding it. */ | |
2843 | if (event->type == ButtonPress | |
ab648270 | 2844 | && emacs_event->part == scroll_bar_handle) |
e0c1aef2 | 2845 | XSETINT (bar->dragging, y - XINT (bar->start)); |
929787e1 | 2846 | #endif |
12ba150f JB |
2847 | |
2848 | /* If the user has released the handle, set it to its final position. */ | |
2849 | if (event->type == ButtonRelease | |
2850 | && ! NILP (bar->dragging)) | |
2851 | { | |
2852 | int new_start = y - XINT (bar->dragging); | |
2853 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2854 | |
ab648270 | 2855 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2856 | bar->dragging = Qnil; |
2857 | } | |
f451eb13 | 2858 | |
5116f055 JB |
2859 | /* Same deal here as the other #if 0. */ |
2860 | #if 0 | |
58769bee | 2861 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 2862 | the handle. */ |
ab648270 | 2863 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2864 | emacs_event->x = bar->start; |
2865 | else | |
e0c1aef2 | 2866 | XSETINT (emacs_event->x, y); |
5116f055 | 2867 | #else |
e0c1aef2 | 2868 | XSETINT (emacs_event->x, y); |
5116f055 | 2869 | #endif |
f451eb13 | 2870 | |
e0c1aef2 | 2871 | XSETINT (emacs_event->y, top_range); |
12ba150f JB |
2872 | } |
2873 | } | |
f451eb13 | 2874 | |
ab648270 JB |
2875 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2876 | ||
2877 | This may be called from a signal handler, so we have to ignore GC | |
2878 | mark bits. */ | |
f451eb13 | 2879 | static void |
ab648270 JB |
2880 | x_scroll_bar_note_movement (bar, event) |
2881 | struct scroll_bar *bar; | |
f451eb13 JB |
2882 | XEvent *event; |
2883 | { | |
2884 | last_mouse_movement_time = event->xmotion.time; | |
2885 | ||
2886 | mouse_moved = 1; | |
e0c1aef2 | 2887 | XSETVECTOR (last_mouse_scroll_bar, bar); |
f451eb13 JB |
2888 | |
2889 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2890 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2891 | { |
2892 | /* Where should the handle be now? */ | |
12ba150f | 2893 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2894 | |
12ba150f | 2895 | if (new_start != XINT (bar->start)) |
f451eb13 | 2896 | { |
12ba150f | 2897 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
58769bee | 2898 | |
ab648270 | 2899 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2900 | } |
2901 | } | |
2902 | ||
2903 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2904 | moves and we can see *still* on the same position. */ | |
2905 | { | |
2906 | int dummy; | |
847e150a | 2907 | Window dummy_window; |
58769bee | 2908 | |
f451eb13 | 2909 | XQueryPointer (event->xmotion.display, event->xmotion.window, |
847e150a | 2910 | &dummy_window, &dummy_window, |
f451eb13 JB |
2911 | &dummy, &dummy, &dummy, &dummy, |
2912 | (unsigned int *) &dummy); | |
2913 | } | |
2914 | } | |
2915 | ||
12ba150f | 2916 | /* Return information to the user about the current position of the mouse |
ab648270 | 2917 | on the scroll bar. */ |
12ba150f | 2918 | static void |
334208b7 RS |
2919 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
2920 | FRAME_PTR *fp; | |
12ba150f | 2921 | Lisp_Object *bar_window; |
ab648270 | 2922 | enum scroll_bar_part *part; |
12ba150f JB |
2923 | Lisp_Object *x, *y; |
2924 | unsigned long *time; | |
2925 | { | |
ab648270 | 2926 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
334208b7 RS |
2927 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2928 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
12ba150f | 2929 | int win_x, win_y; |
559cb2fb JB |
2930 | Window dummy_window; |
2931 | int dummy_coord; | |
2932 | unsigned int dummy_mask; | |
12ba150f | 2933 | |
cf7cb199 JB |
2934 | BLOCK_INPUT; |
2935 | ||
ab648270 | 2936 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 2937 | report that. */ |
334208b7 | 2938 | if (! XQueryPointer (FRAME_X_DISPLAY (f), w, |
12ba150f | 2939 | |
559cb2fb JB |
2940 | /* Root, child, root x and root y. */ |
2941 | &dummy_window, &dummy_window, | |
2942 | &dummy_coord, &dummy_coord, | |
12ba150f | 2943 | |
559cb2fb JB |
2944 | /* Position relative to scroll bar. */ |
2945 | &win_x, &win_y, | |
12ba150f | 2946 | |
559cb2fb JB |
2947 | /* Mouse buttons and modifier keys. */ |
2948 | &dummy_mask)) | |
7a13e894 | 2949 | ; |
559cb2fb JB |
2950 | else |
2951 | { | |
2952 | int inside_height | |
2953 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2954 | int top_range | |
2955 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2956 | ||
2957 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
2958 | ||
2959 | if (! NILP (bar->dragging)) | |
2960 | win_y -= XINT (bar->dragging); | |
2961 | ||
2962 | if (win_y < 0) | |
2963 | win_y = 0; | |
2964 | if (win_y > top_range) | |
2965 | win_y = top_range; | |
2966 | ||
334208b7 | 2967 | *fp = f; |
7a13e894 | 2968 | *bar_window = bar->window; |
559cb2fb JB |
2969 | |
2970 | if (! NILP (bar->dragging)) | |
2971 | *part = scroll_bar_handle; | |
2972 | else if (win_y < XINT (bar->start)) | |
2973 | *part = scroll_bar_above_handle; | |
2974 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2975 | *part = scroll_bar_handle; | |
2976 | else | |
2977 | *part = scroll_bar_below_handle; | |
12ba150f | 2978 | |
e0c1aef2 KH |
2979 | XSETINT (*x, win_y); |
2980 | XSETINT (*y, top_range); | |
12ba150f | 2981 | |
559cb2fb JB |
2982 | mouse_moved = 0; |
2983 | last_mouse_scroll_bar = Qnil; | |
2984 | } | |
12ba150f | 2985 | |
559cb2fb | 2986 | *time = last_mouse_movement_time; |
cf7cb199 | 2987 | |
cf7cb199 | 2988 | UNBLOCK_INPUT; |
12ba150f JB |
2989 | } |
2990 | ||
f451eb13 | 2991 | |
dbc4e1c1 | 2992 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2993 | background colors, and the scroll bars may need to be redrawn. |
2994 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2995 | redraw them. */ |
2996 | ||
ab648270 | 2997 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2998 | FRAME_PTR f; |
2999 | { | |
3000 | Lisp_Object bar; | |
3001 | ||
9bc4522e | 3002 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); |
ab648270 | 3003 | bar = XSCROLL_BAR (bar)->next) |
334208b7 | 3004 | XClearArea (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), |
dbc4e1c1 JB |
3005 | 0, 0, 0, 0, True); |
3006 | } | |
3007 | ||
3afe33e7 RS |
3008 | /* This processes Expose events from the menubar specific X event |
3009 | loop in menubar.c. This allows to redisplay the frame if necessary | |
3010 | when handling menubar or popup items. */ | |
3011 | ||
3012 | void | |
3013 | process_expose_from_menu (event) | |
3014 | XEvent event; | |
3015 | { | |
3016 | FRAME_PTR f; | |
3017 | ||
f94397b5 KH |
3018 | BLOCK_INPUT; |
3019 | ||
3afe33e7 RS |
3020 | f = x_window_to_frame (event.xexpose.window); |
3021 | if (f) | |
3022 | { | |
3023 | if (f->async_visible == 0) | |
3024 | { | |
3025 | f->async_visible = 1; | |
3026 | f->async_iconified = 0; | |
3027 | SET_FRAME_GARBAGED (f); | |
3028 | } | |
3029 | else | |
3030 | { | |
3031 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3032 | event.xexpose.x, event.xexpose.y, | |
3033 | event.xexpose.width, event.xexpose.height); | |
3034 | } | |
3035 | } | |
3036 | else | |
3037 | { | |
3038 | struct scroll_bar *bar | |
3039 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3040 | |
3afe33e7 RS |
3041 | if (bar) |
3042 | x_scroll_bar_expose (bar, &event); | |
3043 | } | |
f94397b5 KH |
3044 | |
3045 | UNBLOCK_INPUT; | |
3afe33e7 | 3046 | } |
09756a85 RS |
3047 | \f |
3048 | /* Define a queue to save up SelectionRequest events for later handling. */ | |
3049 | ||
3050 | struct selection_event_queue | |
3051 | { | |
3052 | XEvent event; | |
3053 | struct selection_event_queue *next; | |
3054 | }; | |
3055 | ||
3056 | static struct selection_event_queue *queue; | |
3057 | ||
3058 | /* Nonzero means queue up certain events--don't process them yet. */ | |
3059 | static int x_queue_selection_requests; | |
3060 | ||
3061 | /* Queue up an X event *EVENT, to be processed later. */ | |
dbc4e1c1 | 3062 | |
09756a85 | 3063 | static void |
334208b7 RS |
3064 | x_queue_event (f, event) |
3065 | FRAME_PTR f; | |
09756a85 RS |
3066 | XEvent *event; |
3067 | { | |
3068 | struct selection_event_queue *queue_tmp | |
3069 | = (struct selection_event_queue *) malloc (sizeof (struct selection_event_queue)); | |
3070 | ||
58769bee | 3071 | if (queue_tmp != NULL) |
09756a85 RS |
3072 | { |
3073 | queue_tmp->event = *event; | |
3074 | queue_tmp->next = queue; | |
3075 | queue = queue_tmp; | |
3076 | } | |
3077 | } | |
3078 | ||
3079 | /* Take all the queued events and put them back | |
3080 | so that they get processed afresh. */ | |
3081 | ||
3082 | static void | |
334208b7 RS |
3083 | x_unqueue_events (f) |
3084 | FRAME_PTR f; | |
09756a85 | 3085 | { |
58769bee | 3086 | while (queue != NULL) |
09756a85 RS |
3087 | { |
3088 | struct selection_event_queue *queue_tmp = queue; | |
334208b7 | 3089 | XPutBackEvent (FRAME_X_DISPLAY (f), &queue_tmp->event); |
09756a85 RS |
3090 | queue = queue_tmp->next; |
3091 | free ((char *)queue_tmp); | |
3092 | } | |
3093 | } | |
3094 | ||
3095 | /* Start queuing SelectionRequest events. */ | |
3096 | ||
3097 | void | |
334208b7 RS |
3098 | x_start_queuing_selection_requests (f) |
3099 | FRAME_PTR f; | |
09756a85 RS |
3100 | { |
3101 | x_queue_selection_requests++; | |
3102 | } | |
3103 | ||
3104 | /* Stop queuing SelectionRequest events. */ | |
3105 | ||
3106 | void | |
334208b7 RS |
3107 | x_stop_queuing_selection_requests (f) |
3108 | FRAME_PTR f; | |
09756a85 RS |
3109 | { |
3110 | x_queue_selection_requests--; | |
334208b7 | 3111 | x_unqueue_events (f); |
09756a85 | 3112 | } |
f451eb13 JB |
3113 | \f |
3114 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3115 | |
dc6f92b8 JB |
3116 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3117 | but we have to put it out here, since static variables within functions | |
3118 | sometimes don't work. */ | |
3119 | static Time enter_timestamp; | |
3120 | ||
11edeb03 | 3121 | /* This holds the state XLookupString needs to implement dead keys |
58769bee | 3122 | and other tricks known as "compose processing". _X Window System_ |
11edeb03 JB |
3123 | says that a portable program can't use this, but Stephen Gildea assures |
3124 | me that letting the compiler initialize it to zeros will work okay. | |
3125 | ||
3126 | This must be defined outside of XTread_socket, for the same reasons | |
3127 | given for enter_timestamp, above. */ | |
3128 | static XComposeStatus compose_status; | |
3129 | ||
10e6549c RS |
3130 | /* Record the last 100 characters stored |
3131 | to help debug the loss-of-chars-during-GC problem. */ | |
3132 | int temp_index; | |
3133 | short temp_buffer[100]; | |
3134 | ||
7a13e894 RS |
3135 | /* Set this to nonzero to fake an "X I/O error" |
3136 | on a particular display. */ | |
3137 | struct x_display_info *XTread_socket_fake_io_error; | |
3138 | ||
dc6f92b8 JB |
3139 | /* Read events coming from the X server. |
3140 | This routine is called by the SIGIO handler. | |
3141 | We return as soon as there are no more events to be read. | |
3142 | ||
3143 | Events representing keys are stored in buffer BUFP, | |
3144 | which can hold up to NUMCHARS characters. | |
3145 | We return the number of characters stored into the buffer, | |
3146 | thus pretending to be `read'. | |
3147 | ||
3148 | WAITP is nonzero if we should block until input arrives. | |
3149 | EXPECTED is nonzero if the caller knows input is available. */ | |
3150 | ||
7c5283e4 | 3151 | int |
dc6f92b8 JB |
3152 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3153 | register int sd; | |
3154 | register struct input_event *bufp; | |
3155 | register int numchars; | |
3156 | int waitp; | |
3157 | int expected; | |
3158 | { | |
3159 | int count = 0; | |
3160 | int nbytes = 0; | |
3161 | int mask; | |
3162 | int items_pending; /* How many items are in the X queue. */ | |
3163 | XEvent event; | |
f676886a | 3164 | struct frame *f; |
66f55a9d | 3165 | int event_found = 0; |
dc6f92b8 JB |
3166 | int prefix; |
3167 | Lisp_Object part; | |
334208b7 | 3168 | struct x_display_info *dpyinfo; |
dc6f92b8 | 3169 | |
9ac0d9e0 | 3170 | if (interrupt_input_blocked) |
dc6f92b8 | 3171 | { |
9ac0d9e0 | 3172 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3173 | return -1; |
3174 | } | |
3175 | ||
9ac0d9e0 | 3176 | interrupt_input_pending = 0; |
dc6f92b8 | 3177 | BLOCK_INPUT; |
c0a04927 RS |
3178 | |
3179 | /* So people can tell when we have read the available input. */ | |
3180 | input_signal_count++; | |
3181 | ||
dc6f92b8 JB |
3182 | if (numchars <= 0) |
3183 | abort (); /* Don't think this happens. */ | |
3184 | ||
7a13e894 RS |
3185 | /* Find the display we are supposed to read input for. |
3186 | It's the one communicating on descriptor SD. */ | |
3187 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
3188 | { | |
3189 | #if 0 /* This ought to be unnecessary; let's verify it. */ | |
dc6f92b8 | 3190 | #ifdef FIOSNBIO |
7a13e894 RS |
3191 | /* If available, Xlib uses FIOSNBIO to make the socket |
3192 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3193 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3194 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
3195 | fcntl (dpyinfo->connection, F_SETFL, 0); | |
c118dd06 | 3196 | #endif /* ! defined (FIOSNBIO) */ |
7a13e894 | 3197 | #endif |
dc6f92b8 | 3198 | |
7a13e894 RS |
3199 | #if 0 /* This code can't be made to work, with multiple displays, |
3200 | and appears not to be used on any system any more. | |
3201 | Also keyboard.c doesn't turn O_NDELAY on and off | |
3202 | for X connections. */ | |
dc6f92b8 JB |
3203 | #ifndef SIGIO |
3204 | #ifndef HAVE_SELECT | |
7a13e894 RS |
3205 | if (! (fcntl (dpyinfo->connection, F_GETFL, 0) & O_NDELAY)) |
3206 | { | |
3207 | extern int read_alarm_should_throw; | |
3208 | read_alarm_should_throw = 1; | |
3209 | XPeekEvent (dpyinfo->display, &event); | |
3210 | read_alarm_should_throw = 0; | |
3211 | } | |
c118dd06 JB |
3212 | #endif /* HAVE_SELECT */ |
3213 | #endif /* SIGIO */ | |
7a13e894 | 3214 | #endif |
dc6f92b8 | 3215 | |
7a13e894 RS |
3216 | /* For debugging, this gives a way to fake an I/O error. */ |
3217 | if (dpyinfo == XTread_socket_fake_io_error) | |
3218 | { | |
3219 | XTread_socket_fake_io_error = 0; | |
3220 | x_io_error_quitter (dpyinfo->display); | |
3221 | } | |
dc6f92b8 | 3222 | |
7a13e894 | 3223 | while (XPending (dpyinfo->display) != 0) |
dc6f92b8 | 3224 | { |
7a13e894 RS |
3225 | XNextEvent (dpyinfo->display, &event); |
3226 | event_found = 1; | |
3227 | ||
3228 | switch (event.type) | |
3229 | { | |
3230 | case ClientMessage: | |
c047688c | 3231 | { |
7a13e894 RS |
3232 | if (event.xclient.message_type |
3233 | == dpyinfo->Xatom_wm_protocols | |
3234 | && event.xclient.format == 32) | |
c047688c | 3235 | { |
7a13e894 RS |
3236 | if (event.xclient.data.l[0] |
3237 | == dpyinfo->Xatom_wm_take_focus) | |
c047688c | 3238 | { |
7a13e894 RS |
3239 | f = x_window_to_frame (event.xclient.window); |
3240 | /* Since we set WM_TAKE_FOCUS, we must call | |
3241 | XSetInputFocus explicitly. But not if f is null, | |
3242 | since that might be an event for a deleted frame. */ | |
3243 | if (f) | |
3244 | XSetInputFocus (event.xclient.display, | |
3245 | event.xclient.window, | |
3246 | RevertToPointerRoot, | |
3247 | event.xclient.data.l[1]); | |
3248 | /* Not certain about handling scroll bars here */ | |
c047688c | 3249 | } |
7a13e894 RS |
3250 | else if (event.xclient.data.l[0] |
3251 | == dpyinfo->Xatom_wm_save_yourself) | |
3252 | { | |
3253 | /* Save state modify the WM_COMMAND property to | |
3254 | something which can reinstate us. This notifies | |
3255 | the session manager, who's looking for such a | |
3256 | PropertyNotify. Can restart processing when | |
3257 | a keyboard or mouse event arrives. */ | |
3258 | if (numchars > 0) | |
3259 | { | |
3260 | f = x_top_window_to_frame (event.xclient.window); | |
3261 | ||
3262 | /* This is just so we only give real data once | |
3263 | for a single Emacs process. */ | |
3264 | if (f == selected_frame) | |
3265 | XSetCommand (FRAME_X_DISPLAY (f), | |
3266 | event.xclient.window, | |
3267 | initial_argv, initial_argc); | |
3268 | else | |
3269 | XSetCommand (FRAME_X_DISPLAY (f), | |
3270 | event.xclient.window, | |
3271 | 0, 0); | |
3272 | } | |
3273 | } | |
3274 | else if (event.xclient.data.l[0] | |
3275 | == dpyinfo->Xatom_wm_delete_window) | |
1fb20991 | 3276 | { |
7a13e894 | 3277 | struct frame *f = x_any_window_to_frame (event.xclient.window); |
1fb20991 | 3278 | |
7a13e894 RS |
3279 | if (f) |
3280 | { | |
3281 | if (numchars == 0) | |
3282 | abort (); | |
1fb20991 | 3283 | |
7a13e894 RS |
3284 | bufp->kind = delete_window_event; |
3285 | XSETFRAME (bufp->frame_or_window, f); | |
3286 | bufp++; | |
3287 | ||
3288 | count += 1; | |
3289 | numchars -= 1; | |
3290 | } | |
1fb20991 | 3291 | } |
c047688c | 3292 | } |
7a13e894 RS |
3293 | else if (event.xclient.message_type |
3294 | == dpyinfo->Xatom_wm_configure_denied) | |
3295 | { | |
3296 | } | |
3297 | else if (event.xclient.message_type | |
3298 | == dpyinfo->Xatom_wm_window_moved) | |
3299 | { | |
3300 | int new_x, new_y; | |
3301 | struct frame *f = x_window_to_frame (event.xclient.window); | |
58769bee | 3302 | |
7a13e894 RS |
3303 | new_x = event.xclient.data.s[0]; |
3304 | new_y = event.xclient.data.s[1]; | |
1fb20991 | 3305 | |
7a13e894 RS |
3306 | if (f) |
3307 | { | |
3308 | f->display.x->left_pos = new_x; | |
3309 | f->display.x->top_pos = new_y; | |
3310 | } | |
1fb20991 | 3311 | } |
5627c40e | 3312 | #if defined (USE_X_TOOLKIT) && defined (HAVE_X11R5) |
7a13e894 RS |
3313 | else if (event.xclient.message_type |
3314 | == dpyinfo->Xatom_editres) | |
3315 | { | |
3316 | struct frame *f = x_any_window_to_frame (event.xclient.window); | |
3317 | _XEditResCheckMessages (f->display.x->widget, NULL, &event, NULL); | |
3318 | } | |
5627c40e | 3319 | #endif /* USE_X_TOOLKIT and HAVE_X11R5 */ |
7a13e894 RS |
3320 | } |
3321 | break; | |
dc6f92b8 | 3322 | |
7a13e894 | 3323 | case SelectionNotify: |
3afe33e7 | 3324 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3325 | if (! x_window_to_frame (event.xselection.requestor)) |
3326 | goto OTHER; | |
3afe33e7 | 3327 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3328 | x_handle_selection_notify (&event); |
3329 | break; | |
d56a553a | 3330 | |
7a13e894 | 3331 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3332 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3333 | if (! x_window_to_frame (event.xselectionclear.window)) |
3334 | goto OTHER; | |
3afe33e7 | 3335 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3336 | { |
3337 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
d56a553a | 3338 | |
7a13e894 RS |
3339 | if (numchars == 0) |
3340 | abort (); | |
d56a553a | 3341 | |
7a13e894 RS |
3342 | bufp->kind = selection_clear_event; |
3343 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3344 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3345 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3346 | bufp++; | |
d56a553a | 3347 | |
7a13e894 RS |
3348 | count += 1; |
3349 | numchars -= 1; | |
3350 | } | |
3351 | break; | |
dc6f92b8 | 3352 | |
7a13e894 | 3353 | case SelectionRequest: /* Someone wants our selection. */ |
3afe33e7 | 3354 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3355 | if (!x_window_to_frame (event.xselectionrequest.owner)) |
3356 | goto OTHER; | |
3afe33e7 | 3357 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3358 | if (x_queue_selection_requests) |
3359 | x_queue_event (x_window_to_frame (event.xselectionrequest.owner), | |
3360 | &event); | |
3361 | else | |
3362 | { | |
3363 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
dc6f92b8 | 3364 | |
7a13e894 RS |
3365 | if (numchars == 0) |
3366 | abort (); | |
3367 | ||
3368 | bufp->kind = selection_request_event; | |
3369 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3370 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3371 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3372 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3373 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3374 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3375 | bufp++; | |
3376 | ||
3377 | count += 1; | |
3378 | numchars -= 1; | |
3379 | } | |
3380 | break; | |
3381 | ||
3382 | case PropertyNotify: | |
3afe33e7 | 3383 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3384 | if (!x_any_window_to_frame (event.xproperty.window)) |
3385 | goto OTHER; | |
3afe33e7 | 3386 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3387 | x_handle_property_notify (&event); |
3388 | break; | |
dc6f92b8 | 3389 | |
7a13e894 RS |
3390 | case ReparentNotify: |
3391 | f = x_top_window_to_frame (event.xreparent.window); | |
3392 | if (f) | |
3393 | { | |
3394 | int x, y; | |
3395 | f->display.x->parent_desc = event.xreparent.parent; | |
3396 | x_real_positions (f, &x, &y); | |
3397 | f->display.x->left_pos = x; | |
3398 | f->display.x->top_pos = y; | |
3399 | } | |
3400 | break; | |
3bd330d4 | 3401 | |
7a13e894 RS |
3402 | case Expose: |
3403 | f = x_window_to_frame (event.xexpose.window); | |
3404 | if (f) | |
dc6f92b8 | 3405 | { |
7a13e894 RS |
3406 | if (f->async_visible == 0) |
3407 | { | |
3408 | f->async_visible = 1; | |
3409 | f->async_iconified = 0; | |
3410 | SET_FRAME_GARBAGED (f); | |
3411 | } | |
3412 | else | |
3413 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3414 | event.xexpose.x, event.xexpose.y, | |
3415 | event.xexpose.width, event.xexpose.height); | |
dc6f92b8 JB |
3416 | } |
3417 | else | |
7a13e894 RS |
3418 | { |
3419 | struct scroll_bar *bar | |
3420 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3421 | |
7a13e894 RS |
3422 | if (bar) |
3423 | x_scroll_bar_expose (bar, &event); | |
3afe33e7 | 3424 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3425 | else |
3426 | goto OTHER; | |
3afe33e7 | 3427 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3428 | } |
3429 | break; | |
dc6f92b8 | 3430 | |
7a13e894 RS |
3431 | case GraphicsExpose: /* This occurs when an XCopyArea's |
3432 | source area was obscured or not | |
3433 | available.*/ | |
3434 | f = x_window_to_frame (event.xgraphicsexpose.drawable); | |
3435 | if (f) | |
3436 | { | |
3437 | dumprectangle (f, | |
3438 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3439 | event.xgraphicsexpose.width, | |
3440 | event.xgraphicsexpose.height); | |
3441 | } | |
3afe33e7 | 3442 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3443 | else |
3444 | goto OTHER; | |
3afe33e7 | 3445 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3446 | break; |
dc6f92b8 | 3447 | |
7a13e894 RS |
3448 | case NoExpose: /* This occurs when an XCopyArea's |
3449 | source area was completely | |
3450 | available */ | |
3451 | break; | |
dc6f92b8 | 3452 | |
7a13e894 RS |
3453 | case UnmapNotify: |
3454 | f = x_any_window_to_frame (event.xunmap.window); | |
3455 | if (f) /* F may no longer exist if | |
3456 | the frame was deleted. */ | |
3457 | { | |
3458 | /* While a frame is unmapped, display generation is | |
3459 | disabled; you don't want to spend time updating a | |
3460 | display that won't ever be seen. */ | |
3461 | f->async_visible = 0; | |
3462 | /* We can't distinguish, from the event, whether the window | |
3463 | has become iconified or invisible. So assume, if it | |
3464 | was previously visible, than now it is iconified. | |
3465 | We depend on x_make_frame_invisible to mark it iconified. */ | |
3466 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) | |
3467 | f->async_iconified = 1; | |
3468 | } | |
3afe33e7 | 3469 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3470 | goto OTHER; |
3afe33e7 | 3471 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3472 | break; |
dc6f92b8 | 3473 | |
7a13e894 RS |
3474 | case MapNotify: |
3475 | /* We use x_top_window_to_frame because map events can come | |
3476 | for subwindows and they don't mean that the frame is visible. */ | |
3477 | f = x_top_window_to_frame (event.xmap.window); | |
3478 | if (f) | |
3479 | { | |
3480 | f->async_visible = 1; | |
3481 | f->async_iconified = 0; | |
dc6f92b8 | 3482 | |
7a13e894 RS |
3483 | /* wait_reading_process_input will notice this and update |
3484 | the frame's display structures. */ | |
3485 | SET_FRAME_GARBAGED (f); | |
3486 | } | |
3afe33e7 | 3487 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3488 | goto OTHER; |
3afe33e7 | 3489 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3490 | break; |
dc6f92b8 | 3491 | |
7a13e894 RS |
3492 | /* Turn off processing if we become fully obscured. */ |
3493 | case VisibilityNotify: | |
3494 | break; | |
dc6f92b8 | 3495 | |
7a13e894 RS |
3496 | case KeyPress: |
3497 | f = x_any_window_to_frame (event.xkey.window); | |
f451eb13 | 3498 | |
7a13e894 RS |
3499 | if (f != 0) |
3500 | { | |
3501 | KeySym keysym, orig_keysym; | |
3502 | /* al%imercury@uunet.uu.net says that making this 81 instead of | |
3503 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3504 | unsigned char copy_buffer[81]; | |
3505 | int modifiers; | |
64bb1782 | 3506 | |
7a13e894 RS |
3507 | event.xkey.state |
3508 | |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3509 | extra_keyboard_modifiers); | |
3510 | modifiers = event.xkey.state; | |
3a2712f9 | 3511 | |
7a13e894 | 3512 | /* This will have to go some day... */ |
752a043f | 3513 | |
7a13e894 RS |
3514 | /* make_lispy_event turns chars into control chars. |
3515 | Don't do it here because XLookupString is too eager. */ | |
3516 | event.xkey.state &= ~ControlMask; | |
3517 | nbytes = | |
3518 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
3519 | &compose_status); | |
dc6f92b8 | 3520 | |
7a13e894 | 3521 | orig_keysym = keysym; |
55123275 | 3522 | |
7a13e894 RS |
3523 | if (numchars > 1) |
3524 | { | |
3525 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) | |
3526 | || keysym == XK_Delete | |
3527 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3528 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3529 | #ifdef HPUX |
7a13e894 RS |
3530 | /* This recognizes the "extended function keys". |
3531 | It seems there's no cleaner way. | |
3532 | Test IsModifierKey to avoid handling mode_switch | |
3533 | incorrectly. */ | |
3534 | || ((unsigned) (keysym) >= XK_Select | |
3535 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3536 | #endif |
3537 | #ifdef XK_dead_circumflex | |
7a13e894 | 3538 | || orig_keysym == XK_dead_circumflex |
69388238 RS |
3539 | #endif |
3540 | #ifdef XK_dead_grave | |
7a13e894 | 3541 | || orig_keysym == XK_dead_grave |
69388238 RS |
3542 | #endif |
3543 | #ifdef XK_dead_tilde | |
7a13e894 | 3544 | || orig_keysym == XK_dead_tilde |
69388238 RS |
3545 | #endif |
3546 | #ifdef XK_dead_diaeresis | |
7a13e894 | 3547 | || orig_keysym == XK_dead_diaeresis |
69388238 RS |
3548 | #endif |
3549 | #ifdef XK_dead_macron | |
7a13e894 | 3550 | || orig_keysym == XK_dead_macron |
69388238 RS |
3551 | #endif |
3552 | #ifdef XK_dead_degree | |
7a13e894 | 3553 | || orig_keysym == XK_dead_degree |
69388238 RS |
3554 | #endif |
3555 | #ifdef XK_dead_acute | |
7a13e894 | 3556 | || orig_keysym == XK_dead_acute |
69388238 RS |
3557 | #endif |
3558 | #ifdef XK_dead_cedilla | |
7a13e894 | 3559 | || orig_keysym == XK_dead_cedilla |
69388238 RS |
3560 | #endif |
3561 | #ifdef XK_dead_breve | |
7a13e894 | 3562 | || orig_keysym == XK_dead_breve |
69388238 RS |
3563 | #endif |
3564 | #ifdef XK_dead_ogonek | |
7a13e894 | 3565 | || orig_keysym == XK_dead_ogonek |
69388238 RS |
3566 | #endif |
3567 | #ifdef XK_dead_caron | |
7a13e894 | 3568 | || orig_keysym == XK_dead_caron |
69388238 RS |
3569 | #endif |
3570 | #ifdef XK_dead_doubleacute | |
7a13e894 | 3571 | || orig_keysym == XK_dead_doubleacute |
69388238 RS |
3572 | #endif |
3573 | #ifdef XK_dead_abovedot | |
7a13e894 | 3574 | || orig_keysym == XK_dead_abovedot |
c34790e0 | 3575 | #endif |
7a13e894 RS |
3576 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3577 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
3578 | /* Any "vendor-specific" key is ok. */ | |
3579 | || (orig_keysym & (1 << 28))) | |
3580 | && ! (IsModifierKey (orig_keysym) | |
7719aa06 RS |
3581 | #ifndef HAVE_X11R5 |
3582 | #ifdef XK_Mode_switch | |
7a13e894 | 3583 | || ((unsigned)(orig_keysym) == XK_Mode_switch) |
7719aa06 RS |
3584 | #endif |
3585 | #ifdef XK_Num_Lock | |
7a13e894 | 3586 | || ((unsigned)(orig_keysym) == XK_Num_Lock) |
7719aa06 RS |
3587 | #endif |
3588 | #endif /* not HAVE_X11R5 */ | |
7a13e894 | 3589 | )) |
dc6f92b8 | 3590 | { |
10e6549c RS |
3591 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3592 | temp_index = 0; | |
7a13e894 RS |
3593 | temp_buffer[temp_index++] = keysym; |
3594 | bufp->kind = non_ascii_keystroke; | |
3595 | bufp->code = keysym; | |
e0c1aef2 | 3596 | XSETFRAME (bufp->frame_or_window, f); |
334208b7 RS |
3597 | bufp->modifiers |
3598 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3599 | modifiers); | |
1113d9db | 3600 | bufp->timestamp = event.xkey.time; |
dc6f92b8 | 3601 | bufp++; |
7a13e894 RS |
3602 | count++; |
3603 | numchars--; | |
dc6f92b8 | 3604 | } |
7a13e894 RS |
3605 | else if (numchars > nbytes) |
3606 | { | |
3607 | register int i; | |
3608 | ||
3609 | for (i = 0; i < nbytes; i++) | |
3610 | { | |
3611 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
3612 | temp_index = 0; | |
3613 | temp_buffer[temp_index++] = copy_buffer[i]; | |
3614 | bufp->kind = ascii_keystroke; | |
3615 | bufp->code = copy_buffer[i]; | |
3616 | XSETFRAME (bufp->frame_or_window, f); | |
3617 | bufp->modifiers | |
3618 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3619 | modifiers); | |
3620 | bufp->timestamp = event.xkey.time; | |
3621 | bufp++; | |
3622 | } | |
3623 | ||
3624 | count += nbytes; | |
3625 | numchars -= nbytes; | |
3626 | } | |
3627 | else | |
3628 | abort (); | |
dc6f92b8 | 3629 | } |
10e6549c RS |
3630 | else |
3631 | abort (); | |
dc6f92b8 | 3632 | } |
7a13e894 | 3633 | break; |
f451eb13 | 3634 | |
7a13e894 RS |
3635 | /* Here's a possible interpretation of the whole |
3636 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3637 | FocusIn event, you have to get a FocusOut event before you | |
3638 | relinquish the focus. If you haven't received a FocusIn event, | |
3639 | then a mere LeaveNotify is enough to free you. */ | |
f451eb13 | 3640 | |
7a13e894 RS |
3641 | case EnterNotify: |
3642 | f = x_any_window_to_frame (event.xcrossing.window); | |
6d4238f3 | 3643 | |
7a13e894 | 3644 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3645 | { |
7a13e894 RS |
3646 | /* Avoid nasty pop/raise loops. */ |
3647 | if (f && (!(f->auto_raise) | |
3648 | || !(f->auto_lower) | |
3649 | || (event.xcrossing.time - enter_timestamp) > 500)) | |
3650 | { | |
3651 | x_new_focus_frame (f); | |
3652 | enter_timestamp = event.xcrossing.time; | |
3653 | } | |
dc6f92b8 | 3654 | } |
7a13e894 RS |
3655 | else if (f == x_focus_frame) |
3656 | x_new_focus_frame (0); | |
3657 | /* EnterNotify counts as mouse movement, | |
3658 | so update things that depend on mouse position. */ | |
3659 | if (f) | |
3660 | note_mouse_movement (f, &event.xmotion); | |
3afe33e7 | 3661 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3662 | goto OTHER; |
3afe33e7 | 3663 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3664 | break; |
dc6f92b8 | 3665 | |
7a13e894 RS |
3666 | case FocusIn: |
3667 | f = x_any_window_to_frame (event.xfocus.window); | |
3668 | if (event.xfocus.detail != NotifyPointer) | |
3669 | x_focus_event_frame = f; | |
3670 | if (f) | |
3671 | x_new_focus_frame (f); | |
3afe33e7 | 3672 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3673 | goto OTHER; |
3afe33e7 | 3674 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3675 | break; |
f451eb13 | 3676 | |
10c5e63d | 3677 | |
7a13e894 RS |
3678 | case LeaveNotify: |
3679 | f = x_top_window_to_frame (event.xcrossing.window); | |
3680 | if (f) | |
10c5e63d | 3681 | { |
7a13e894 RS |
3682 | if (f == dpyinfo->mouse_face_mouse_frame) |
3683 | /* If we move outside the frame, | |
3684 | then we're certainly no longer on any text in the frame. */ | |
3685 | clear_mouse_face (dpyinfo); | |
3686 | ||
3687 | if (event.xcrossing.focus) | |
3688 | { | |
3689 | if (! x_focus_event_frame) | |
3690 | x_new_focus_frame (0); | |
3691 | else | |
3692 | x_new_focus_frame (f); | |
3693 | } | |
10c5e63d | 3694 | else |
7a13e894 RS |
3695 | { |
3696 | if (f == x_focus_event_frame) | |
3697 | x_focus_event_frame = 0; | |
3698 | if (f == x_focus_frame) | |
3699 | x_new_focus_frame (0); | |
3700 | } | |
10c5e63d | 3701 | } |
3afe33e7 | 3702 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3703 | goto OTHER; |
3afe33e7 | 3704 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3705 | break; |
dc6f92b8 | 3706 | |
7a13e894 RS |
3707 | case FocusOut: |
3708 | f = x_any_window_to_frame (event.xfocus.window); | |
3709 | if (event.xfocus.detail != NotifyPointer | |
3710 | && f == x_focus_event_frame) | |
3711 | x_focus_event_frame = 0; | |
3712 | if (f && f == x_focus_frame) | |
3713 | x_new_focus_frame (0); | |
3afe33e7 | 3714 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3715 | goto OTHER; |
3afe33e7 | 3716 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3717 | break; |
dc6f92b8 | 3718 | |
7a13e894 | 3719 | case MotionNotify: |
dc6f92b8 | 3720 | { |
7a13e894 RS |
3721 | if (dpyinfo->grabbed && last_mouse_frame |
3722 | && FRAME_LIVE_P (last_mouse_frame)) | |
3723 | f = last_mouse_frame; | |
3724 | else | |
3725 | f = x_window_to_frame (event.xmotion.window); | |
3726 | if (f) | |
3727 | note_mouse_movement (f, &event.xmotion); | |
3728 | else | |
3729 | { | |
3730 | struct scroll_bar *bar | |
3731 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 | 3732 | |
7a13e894 RS |
3733 | if (bar) |
3734 | x_scroll_bar_note_movement (bar, &event); | |
b8009dd1 | 3735 | |
7a13e894 RS |
3736 | /* If we move outside the frame, |
3737 | then we're certainly no longer on any text in the frame. */ | |
3738 | clear_mouse_face (dpyinfo); | |
3739 | } | |
dc6f92b8 | 3740 | } |
0a178815 | 3741 | #if 0 /* This should be unnecessary, since the toolkit has no use |
7a13e894 RS |
3742 | for motion events that happen outside of the menu event loop, |
3743 | and it seems to cause the bug that mouse events stop coming | |
3744 | after a while. */ | |
3afe33e7 | 3745 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3746 | goto OTHER; |
3afe33e7 | 3747 | #endif /* USE_X_TOOLKIT */ |
0a178815 | 3748 | #endif |
7a13e894 | 3749 | break; |
dc6f92b8 | 3750 | |
7a13e894 RS |
3751 | case ConfigureNotify: |
3752 | f = x_any_window_to_frame (event.xconfigure.window); | |
3afe33e7 | 3753 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3754 | if (f |
3a35ab44 | 3755 | #if 0 |
7a13e894 | 3756 | && ! event.xconfigure.send_event |
3a35ab44 | 3757 | #endif |
7a13e894 | 3758 | && (event.xconfigure.window == XtWindow (f->display.x->widget))) |
af395ec1 RS |
3759 | { |
3760 | Window win, child; | |
3761 | int win_x, win_y; | |
3762 | ||
6cc35d86 JB |
3763 | /* Find the position of the outside upper-left corner of |
3764 | the window, in the root coordinate system. Don't | |
3765 | refer to the parent window here; we may be processing | |
3766 | this event after the window manager has changed our | |
3767 | parent, but before we have reached the ReparentNotify. */ | |
334208b7 | 3768 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
58769bee | 3769 | |
af395ec1 | 3770 | /* From-window, to-window. */ |
7a13e894 | 3771 | XtWindow (f->display.x->widget), |
334208b7 | 3772 | FRAME_X_DISPLAY_INFO (f)->root_window, |
af395ec1 RS |
3773 | |
3774 | /* From-position, to-position. */ | |
6cc35d86 JB |
3775 | -event.xconfigure.border_width, |
3776 | -event.xconfigure.border_width, | |
af395ec1 RS |
3777 | &win_x, &win_y, |
3778 | ||
3779 | /* Child of win. */ | |
3780 | &child); | |
3781 | event.xconfigure.x = win_x; | |
3782 | event.xconfigure.y = win_y; | |
7a13e894 RS |
3783 | |
3784 | f->display.x->pixel_width = event.xconfigure.width; | |
3785 | f->display.x->pixel_height = event.xconfigure.height; | |
3786 | f->display.x->left_pos = event.xconfigure.x; | |
3787 | f->display.x->top_pos = event.xconfigure.y; | |
3788 | ||
3789 | /* What we have now is the position of Emacs's own window. | |
3790 | Convert that to the position of the window manager window. */ | |
3791 | { | |
3792 | int x, y; | |
3793 | x_real_positions (f, &x, &y); | |
3794 | f->display.x->left_pos = x; | |
3795 | f->display.x->top_pos = y; | |
3796 | } | |
af395ec1 | 3797 | } |
7a13e894 RS |
3798 | goto OTHER; |
3799 | #else /* not USE_X_TOOLKIT */ | |
3800 | if (f) | |
3801 | { | |
3802 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3803 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3804 | ||
3805 | /* Even if the number of character rows and columns has | |
3806 | not changed, the font size may have changed, so we need | |
3807 | to check the pixel dimensions as well. */ | |
3808 | if (columns != f->width | |
3809 | || rows != f->height | |
3810 | || event.xconfigure.width != f->display.x->pixel_width | |
3811 | || event.xconfigure.height != f->display.x->pixel_height) | |
3812 | { | |
3813 | change_frame_size (f, rows, columns, 0, 1); | |
3814 | SET_FRAME_GARBAGED (f); | |
3815 | } | |
af395ec1 | 3816 | |
7a13e894 RS |
3817 | if (! event.xconfigure.send_event) |
3818 | { | |
3819 | Window win, child; | |
3820 | int win_x, win_y; | |
3821 | ||
3822 | /* Find the position of the outside upper-left corner of | |
3823 | the window, in the root coordinate system. Don't | |
3824 | refer to the parent window here; we may be processing | |
3825 | this event after the window manager has changed our | |
3826 | parent, but before we have reached the ReparentNotify. */ | |
3827 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
3828 | ||
3829 | /* From-window, to-window. */ | |
3830 | f->display.x->window_desc, | |
3831 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
3832 | ||
3833 | /* From-position, to-position. */ | |
3834 | -event.xconfigure.border_width, | |
3835 | -event.xconfigure.border_width, | |
3836 | &win_x, &win_y, | |
3837 | ||
3838 | /* Child of win. */ | |
3839 | &child); | |
3840 | event.xconfigure.x = win_x; | |
3841 | event.xconfigure.y = win_y; | |
3842 | } | |
3a35ab44 | 3843 | |
7a13e894 RS |
3844 | f->display.x->pixel_width = event.xconfigure.width; |
3845 | f->display.x->pixel_height = event.xconfigure.height; | |
3846 | f->display.x->left_pos = event.xconfigure.x; | |
3847 | f->display.x->top_pos = event.xconfigure.y; | |
3848 | ||
3849 | /* What we have now is the position of Emacs's own window. | |
3850 | Convert that to the position of the window manager window. */ | |
fd13dbb2 | 3851 | { |
7a13e894 RS |
3852 | int x, y; |
3853 | x_real_positions (f, &x, &y); | |
3854 | f->display.x->left_pos = x; | |
3855 | f->display.x->top_pos = y; | |
3856 | if (y != event.xconfigure.y) | |
3857 | { | |
3858 | /* Since the WM decorations come below top_pos now, | |
3859 | we must put them below top_pos in the future. */ | |
3860 | f->display.x->win_gravity = NorthWestGravity; | |
3861 | x_wm_set_size_hint (f, 0, 0); | |
3862 | } | |
fd13dbb2 | 3863 | } |
7a13e894 | 3864 | } |
3afe33e7 | 3865 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 | 3866 | break; |
dc6f92b8 | 3867 | |
7a13e894 RS |
3868 | case ButtonPress: |
3869 | case ButtonRelease: | |
3870 | { | |
3871 | /* If we decide we want to generate an event to be seen | |
3872 | by the rest of Emacs, we put it here. */ | |
3873 | struct input_event emacs_event; | |
3874 | emacs_event.kind = no_event; | |
dc6f92b8 | 3875 | |
7a13e894 | 3876 | bzero (&compose_status, sizeof (compose_status)); |
9b07615b | 3877 | |
7a13e894 RS |
3878 | f = x_window_to_frame (event.xbutton.window); |
3879 | if (f) | |
3880 | { | |
3881 | if (!x_focus_frame || (f == x_focus_frame)) | |
3882 | construct_mouse_click (&emacs_event, &event, f); | |
3883 | } | |
3884 | else | |
3885 | { | |
3886 | struct scroll_bar *bar | |
3887 | = x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 | 3888 | |
7a13e894 RS |
3889 | if (bar) |
3890 | x_scroll_bar_handle_click (bar, &event, &emacs_event); | |
3afe33e7 | 3891 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3892 | else |
3893 | { | |
3894 | /* Assume we have a menubar button press. A bad | |
3895 | assumption should behave benignly. */ | |
3896 | popup_get_selection (&event); | |
3897 | break; | |
3898 | } | |
3899 | #endif /* USE_X_TOOLKIT */ | |
3900 | } | |
3901 | ||
3902 | if (event.type == ButtonPress) | |
3903 | { | |
3904 | dpyinfo->grabbed |= (1 << event.xbutton.button); | |
3905 | last_mouse_frame = f; | |
3906 | } | |
3afe33e7 RS |
3907 | else |
3908 | { | |
7a13e894 | 3909 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); |
3afe33e7 | 3910 | } |
23faf38f | 3911 | |
7a13e894 RS |
3912 | if (numchars >= 1 && emacs_event.kind != no_event) |
3913 | { | |
3914 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3915 | bufp++; | |
3916 | count++; | |
3917 | numchars--; | |
3918 | } | |
3afe33e7 RS |
3919 | |
3920 | #ifdef USE_X_TOOLKIT | |
7a13e894 | 3921 | goto OTHER; |
3afe33e7 | 3922 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3923 | } |
3924 | break; | |
dc6f92b8 | 3925 | |
7a13e894 RS |
3926 | case CirculateNotify: |
3927 | break; | |
3928 | case CirculateRequest: | |
3929 | break; | |
dc6f92b8 | 3930 | |
7a13e894 RS |
3931 | case MappingNotify: |
3932 | /* Someone has changed the keyboard mapping - update the | |
3933 | local cache. */ | |
3934 | switch (event.xmapping.request) | |
3935 | { | |
3936 | case MappingModifier: | |
3937 | x_find_modifier_meanings (dpyinfo); | |
3938 | /* This is meant to fall through. */ | |
3939 | case MappingKeyboard: | |
3940 | XRefreshKeyboardMapping (&event.xmapping); | |
3941 | } | |
3afe33e7 | 3942 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3943 | goto OTHER; |
3afe33e7 | 3944 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3945 | break; |
dc6f92b8 | 3946 | |
7a13e894 | 3947 | default: |
3afe33e7 | 3948 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3949 | OTHER: |
3950 | BLOCK_INPUT; | |
3951 | XtDispatchEvent (&event); | |
3952 | UNBLOCK_INPUT; | |
3afe33e7 | 3953 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3954 | break; |
3955 | } | |
dc6f92b8 JB |
3956 | } |
3957 | } | |
3958 | ||
9a5196d0 RS |
3959 | /* On some systems, an X bug causes Emacs to get no more events |
3960 | when the window is destroyed. Detect that. (1994.) */ | |
58769bee | 3961 | if (! event_found) |
ef2a22d0 | 3962 | { |
ef2a22d0 RS |
3963 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. |
3964 | One XNOOP in 100 loops will make Emacs terminate. | |
3965 | B. Bretthauer, 1994 */ | |
3966 | x_noop_count++; | |
58769bee | 3967 | if (x_noop_count >= 100) |
ef2a22d0 RS |
3968 | { |
3969 | x_noop_count=0; | |
7a13e894 RS |
3970 | /* Use the first display in the list. Why not? */ |
3971 | XNoOp (x_display_list->display); | |
ef2a22d0 RS |
3972 | } |
3973 | } | |
502add23 | 3974 | |
58769bee | 3975 | #if 0 /* This fails for serial-line connections to the X server, |
7071e5dd RS |
3976 | because the characters arrive one by one, and a partial |
3977 | command makes select return but gives nothing to read. | |
3978 | We'll have to hope that the bug that this tried to fix | |
3979 | in 1988 has been fixed in Xlib or the X server. */ | |
dc6f92b8 JB |
3980 | #ifdef HAVE_SELECT |
3981 | if (expected && ! event_found) | |
3982 | { | |
3983 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3984 | there is an EOF condition; in other words, that X has died. | |
3985 | Act as if there had been a hangup. */ | |
334208b7 | 3986 | int fd = ConnectionNumber (dpyinfo->display); |
307feb1f | 3987 | SELECT_TYPE mask, junk1, junk2; |
66f55a9d | 3988 | EMACS_TIME timeout; |
dc6f92b8 | 3989 | |
61c3ce62 RS |
3990 | FD_ZERO (&mask); |
3991 | FD_SET (fd, &mask); | |
66f55a9d | 3992 | EMACS_SET_SECS_USECS (timeout, 0, 0); |
307feb1f RS |
3993 | FD_ZERO (&junk1); |
3994 | FD_ZERO (&junk2); | |
3995 | if (0 != select (fd + 1, &mask, &junk1, &junk2, &timeout) | |
334208b7 | 3996 | && !XPending (dpyinfo->display)) |
dc6f92b8 JB |
3997 | kill (getpid (), SIGHUP); |
3998 | } | |
61c3ce62 | 3999 | #endif /* HAVE_SELECT */ |
7071e5dd | 4000 | #endif /* 0 */ |
dc6f92b8 | 4001 | |
0134a210 RS |
4002 | /* If the focus was just given to an autoraising frame, |
4003 | raise it now. */ | |
7a13e894 | 4004 | /* ??? This ought to be able to handle more than one such frame. */ |
0134a210 RS |
4005 | if (pending_autoraise_frame) |
4006 | { | |
4007 | x_raise_frame (pending_autoraise_frame); | |
4008 | pending_autoraise_frame = 0; | |
4009 | } | |
0134a210 | 4010 | |
dc6f92b8 JB |
4011 | UNBLOCK_INPUT; |
4012 | return count; | |
4013 | } | |
dc6f92b8 | 4014 | \f |
f451eb13 JB |
4015 | /* Drawing the cursor. */ |
4016 | ||
4017 | ||
dc6f92b8 JB |
4018 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
4019 | ||
4020 | static void | |
f676886a JB |
4021 | x_draw_box (f) |
4022 | struct frame *f; | |
dc6f92b8 | 4023 | { |
2a6cf806 RS |
4024 | int left = CHAR_TO_PIXEL_COL (f, curs_x); |
4025 | int top = CHAR_TO_PIXEL_ROW (f, curs_y); | |
f676886a | 4026 | int width = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 4027 | int height = f->display.x->line_height; |
dc6f92b8 | 4028 | |
334208b7 | 4029 | XDrawRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4030 | f->display.x->cursor_gc, |
dc6f92b8 | 4031 | left, top, width - 1, height - 1); |
dc6f92b8 JB |
4032 | } |
4033 | ||
f676886a | 4034 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4035 | and mark the cursor as not shown. |
4036 | This is used when the text where the cursor is | |
4037 | is about to be rewritten. */ | |
4038 | ||
4039 | static void | |
f676886a JB |
4040 | clear_cursor (f) |
4041 | struct frame *f; | |
dc6f92b8 JB |
4042 | { |
4043 | int mask; | |
4044 | ||
f451eb13 | 4045 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4046 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4047 | return; |
4048 | ||
f676886a | 4049 | x_display_cursor (f, 0); |
f676886a | 4050 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4051 | } |
4052 | ||
f676886a | 4053 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4054 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4055 | glyph drawn. */ | |
dc6f92b8 JB |
4056 | |
4057 | static void | |
f676886a JB |
4058 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4059 | struct frame *f; | |
dc6f92b8 | 4060 | int row, column; |
90e65f07 | 4061 | GLYPH glyph; |
dc6f92b8 JB |
4062 | int highlight; |
4063 | { | |
f676886a | 4064 | dumpglyphs (f, |
12ba150f JB |
4065 | CHAR_TO_PIXEL_COL (f, column), |
4066 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4067 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4068 | } |
4069 | ||
dc6f92b8 | 4070 | static void |
dbc4e1c1 | 4071 | x_display_bar_cursor (f, on) |
f676886a | 4072 | struct frame *f; |
dc6f92b8 JB |
4073 | int on; |
4074 | { | |
f676886a | 4075 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4076 | |
49d838ea JB |
4077 | /* This is pointless on invisible frames, and dangerous on garbaged |
4078 | frames; in the latter case, the frame may be in the midst of | |
4079 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4080 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
4081 | return; |
4082 | ||
4083 | if (! on && f->phys_cursor_x < 0) | |
4084 | return; | |
4085 | ||
f676886a | 4086 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 4087 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 4088 | if (f != updating_frame) |
1113d9db | 4089 | { |
f676886a JB |
4090 | curs_x = FRAME_CURSOR_X (f); |
4091 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
4092 | } |
4093 | ||
dbc4e1c1 JB |
4094 | /* If there is anything wrong with the current cursor state, remove it. */ |
4095 | if (f->phys_cursor_x >= 0 | |
4096 | && (!on | |
4097 | || f->phys_cursor_x != curs_x | |
4098 | || f->phys_cursor_y != curs_y | |
4099 | || f->display.x->current_cursor != bar_cursor)) | |
4100 | { | |
4101 | /* Erase the cursor by redrawing the character underneath it. */ | |
4102 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4103 | f->phys_cursor_glyph, | |
4104 | current_glyphs->highlight[f->phys_cursor_y]); | |
4105 | f->phys_cursor_x = -1; | |
4106 | } | |
4107 | ||
4108 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4109 | if (on | |
4110 | && (f->phys_cursor_x < 0 | |
4111 | || (f->display.x->current_cursor != bar_cursor))) | |
4112 | { | |
4113 | f->phys_cursor_glyph | |
4114 | = ((current_glyphs->enable[curs_y] | |
4115 | && curs_x < current_glyphs->used[curs_y]) | |
4116 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4117 | : SPACEGLYPH); | |
334208b7 | 4118 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
4119 | f->display.x->cursor_gc, |
4120 | CHAR_TO_PIXEL_COL (f, curs_x), | |
4121 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
a27f9f86 | 4122 | 1, f->display.x->line_height); |
dbc4e1c1 JB |
4123 | |
4124 | f->phys_cursor_x = curs_x; | |
4125 | f->phys_cursor_y = curs_y; | |
4126 | ||
4127 | f->display.x->current_cursor = bar_cursor; | |
4128 | } | |
4129 | ||
4130 | if (updating_frame != f) | |
334208b7 | 4131 | XFlush (FRAME_X_DISPLAY (f)); |
dbc4e1c1 JB |
4132 | } |
4133 | ||
4134 | ||
4135 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4136 | If ON is nonzero, where to put the cursor is specified | |
4137 | by F->cursor_x and F->cursor_y. */ | |
4138 | ||
4139 | static void | |
4140 | x_display_box_cursor (f, on) | |
4141 | struct frame *f; | |
4142 | int on; | |
4143 | { | |
4144 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4145 | ||
49d838ea JB |
4146 | /* This is pointless on invisible frames, and dangerous on garbaged |
4147 | frames; in the latter case, the frame may be in the midst of | |
4148 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4149 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
4150 | return; |
4151 | ||
4152 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4153 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4154 | return; |
4155 | ||
dbc4e1c1 JB |
4156 | /* If we're not updating, then we want to use the current frame's |
4157 | cursor position, not our local idea of where the cursor ought to be. */ | |
4158 | if (f != updating_frame) | |
4159 | { | |
4160 | curs_x = FRAME_CURSOR_X (f); | |
4161 | curs_y = FRAME_CURSOR_Y (f); | |
4162 | } | |
4163 | ||
dc6f92b8 JB |
4164 | /* If cursor is currently being shown and we don't want it to be |
4165 | or it is in the wrong place, | |
4166 | or we want a hollow box and it's not so, (pout!) | |
4167 | erase it. */ | |
f676886a | 4168 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4169 | && (!on |
f676886a JB |
4170 | || f->phys_cursor_x != curs_x |
4171 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 4172 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 4173 | && (f != x_highlight_frame)))) |
dc6f92b8 | 4174 | { |
79cf7456 RS |
4175 | int mouse_face_here = 0; |
4176 | ||
4177 | /* If the cursor is in the mouse face area, redisplay that when | |
4178 | we clear the cursor. */ | |
7a13e894 | 4179 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame |
79cf7456 | 4180 | && |
7a13e894 RS |
4181 | (f->phys_cursor_y > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
4182 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
4183 | && f->phys_cursor_x >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col)) | |
79cf7456 | 4184 | && |
7a13e894 RS |
4185 | (f->phys_cursor_y < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row |
4186 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
4187 | && f->phys_cursor_x < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col))) | |
79cf7456 RS |
4188 | mouse_face_here = 1; |
4189 | ||
0cdd0c9f RS |
4190 | /* If the font is not as tall as a whole line, |
4191 | we must explicitly clear the line's whole height. */ | |
4192 | if (FONT_HEIGHT (f->display.x->font) != f->display.x->line_height) | |
334208b7 | 4193 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
4194 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4195 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
4196 | FONT_WIDTH (f->display.x->font), | |
4197 | f->display.x->line_height, False); | |
dc6f92b8 | 4198 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4199 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4200 | f->phys_cursor_glyph, | |
79cf7456 RS |
4201 | (mouse_face_here |
4202 | ? 3 | |
4203 | : current_glyphs->highlight[f->phys_cursor_y])); | |
f676886a | 4204 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4205 | } |
4206 | ||
4207 | /* If we want to show a cursor, | |
4208 | or we want a box cursor and it's not so, | |
4209 | write it in the right place. */ | |
4210 | if (on | |
f676886a | 4211 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 4212 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 4213 | && f == x_highlight_frame))) |
dc6f92b8 | 4214 | { |
f676886a | 4215 | f->phys_cursor_glyph |
1113d9db JB |
4216 | = ((current_glyphs->enable[curs_y] |
4217 | && curs_x < current_glyphs->used[curs_y]) | |
4218 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 4219 | : SPACEGLYPH); |
f676886a | 4220 | if (f != x_highlight_frame) |
dc6f92b8 | 4221 | { |
f676886a | 4222 | x_draw_box (f); |
dbc4e1c1 | 4223 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4224 | } |
4225 | else | |
4226 | { | |
f676886a JB |
4227 | x_draw_single_glyph (f, curs_y, curs_x, |
4228 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 4229 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4230 | } |
4231 | ||
f676886a JB |
4232 | f->phys_cursor_x = curs_x; |
4233 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
4234 | } |
4235 | ||
f676886a | 4236 | if (updating_frame != f) |
334208b7 | 4237 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4238 | } |
4239 | ||
f676886a JB |
4240 | x_display_cursor (f, on) |
4241 | struct frame *f; | |
dc6f92b8 JB |
4242 | int on; |
4243 | { | |
f94397b5 KH |
4244 | BLOCK_INPUT; |
4245 | ||
dbc4e1c1 | 4246 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 4247 | x_display_box_cursor (f, on); |
dbc4e1c1 | 4248 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 4249 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
4250 | else |
4251 | /* Those are the only two we have implemented! */ | |
4252 | abort (); | |
f94397b5 KH |
4253 | |
4254 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4255 | } |
4256 | \f | |
4257 | /* Icons. */ | |
4258 | ||
f676886a | 4259 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4260 | when we get an expose event for it. */ |
4261 | ||
f676886a JB |
4262 | refreshicon (f) |
4263 | struct frame *f; | |
dc6f92b8 | 4264 | { |
dc6f92b8 | 4265 | /* Normally, the window manager handles this function. */ |
dc6f92b8 JB |
4266 | } |
4267 | ||
dbc4e1c1 | 4268 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4269 | |
4270 | int | |
990ba854 | 4271 | x_bitmap_icon (f, file) |
f676886a | 4272 | struct frame *f; |
990ba854 | 4273 | Lisp_Object file; |
dc6f92b8 | 4274 | { |
7f2ae036 | 4275 | int mask, bitmap_id; |
dc6f92b8 JB |
4276 | Window icon_window; |
4277 | ||
c118dd06 | 4278 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4279 | return 1; |
4280 | ||
990ba854 RS |
4281 | /* Free up our existing icon bitmap if any. */ |
4282 | if (f->display.x->icon_bitmap > 0) | |
4283 | x_destroy_bitmap (f, f->display.x->icon_bitmap); | |
4284 | f->display.x->icon_bitmap = 0; | |
4285 | ||
4286 | if (STRINGP (file)) | |
7f2ae036 RS |
4287 | bitmap_id = x_create_bitmap_from_file (f, file); |
4288 | else | |
4289 | { | |
990ba854 | 4290 | /* Create the GNU bitmap if necessary. */ |
334208b7 RS |
4291 | if (!FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id < 0) |
4292 | FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id | |
4293 | = x_create_bitmap_from_data (f, gnu_bits, | |
4294 | gnu_width, gnu_height); | |
990ba854 RS |
4295 | |
4296 | /* The first time we create the GNU bitmap, | |
4297 | this increments the refcount one extra time. | |
4298 | As a result, the GNU bitmap is never freed. | |
4299 | That way, we don't have to worry about allocating it again. */ | |
334208b7 | 4300 | x_reference_bitmap (f, FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id); |
990ba854 | 4301 | |
334208b7 | 4302 | bitmap_id = FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id; |
7f2ae036 RS |
4303 | } |
4304 | ||
4305 | x_wm_set_icon_pixmap (f, bitmap_id); | |
4306 | f->display.x->icon_bitmap = bitmap_id; | |
dc6f92b8 JB |
4307 | |
4308 | return 0; | |
4309 | } | |
4310 | ||
4311 | ||
f676886a | 4312 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
4313 | |
4314 | int | |
f676886a JB |
4315 | x_text_icon (f, icon_name) |
4316 | struct frame *f; | |
dc6f92b8 JB |
4317 | char *icon_name; |
4318 | { | |
c118dd06 | 4319 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4320 | return 1; |
4321 | ||
dc6f92b8 | 4322 | if (icon_name) |
f676886a | 4323 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 4324 | else |
f676886a JB |
4325 | if (! f->display.x->icon_label) |
4326 | f->display.x->icon_label = " *emacs* "; | |
58769bee | 4327 | |
dfeccd2d | 4328 | #if 0 |
334208b7 | 4329 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4330 | (char *) f->display.x->icon_label); |
dfeccd2d | 4331 | #endif |
58769bee | 4332 | |
990ba854 RS |
4333 | if (f->display.x->icon_bitmap > 0) |
4334 | x_destroy_bitmap (f, f->display.x->icon_bitmap); | |
7f2ae036 | 4335 | f->display.x->icon_bitmap = 0; |
b1c884c3 | 4336 | x_wm_set_icon_pixmap (f, 0); |
dc6f92b8 JB |
4337 | |
4338 | return 0; | |
4339 | } | |
4340 | \f | |
4746118a JB |
4341 | /* Handling X errors. */ |
4342 | ||
7a13e894 | 4343 | /* Handle the loss of connection to display DISPLAY. */ |
16bd92ea | 4344 | |
4746118a | 4345 | static SIGTYPE |
7a13e894 RS |
4346 | x_connection_closed (display, error_message) |
4347 | Display *display; | |
4348 | char *error_message; | |
4746118a | 4349 | { |
7a13e894 RS |
4350 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
4351 | Lisp_Object frame, tail; | |
4352 | ||
4746118a JB |
4353 | if (_Xdebug) |
4354 | abort (); | |
12ba150f | 4355 | |
7a13e894 RS |
4356 | /* First delete frames whose minibuffers are on frames |
4357 | that are on the dead display. */ | |
4358 | FOR_EACH_FRAME (tail, frame) | |
4359 | { | |
4360 | Lisp_Object minibuf_frame; | |
4361 | minibuf_frame | |
4362 | = WINDOW_FRAME (XWINDOW (FRAME_MINIBUF_WINDOW (XFRAME (frame)))); | |
4363 | if (! EQ (frame, minibuf_frame) | |
4364 | && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
4365 | Fdelete_frame (frame, Qt); | |
4366 | } | |
4367 | ||
4368 | /* Now delete all remaining frames on the dead display. | |
4369 | We are now sure none of these is used as the minibuffer | |
4370 | for another frame that we need to delete. */ | |
4371 | FOR_EACH_FRAME (tail, frame) | |
4372 | if (FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
4373 | Fdelete_frame (frame, Qt); | |
4374 | ||
4375 | x_delete_display (dpyinfo); | |
4376 | ||
4377 | if (x_display_list == 0) | |
4378 | { | |
4379 | fprintf (stderr, "%s", error_message); | |
4380 | shut_down_emacs (0, 0, Qnil); | |
4381 | exit (70); | |
4382 | } | |
12ba150f | 4383 | |
7a13e894 RS |
4384 | /* Ordinary stack unwind doesn't deal with these. */ |
4385 | #ifdef SIGIO | |
4386 | sigunblock (sigmask (SIGIO)); | |
4387 | #endif | |
4388 | sigunblock (sigmask (SIGALRM)); | |
4389 | TOTALLY_UNBLOCK_INPUT; | |
4390 | ||
4391 | error ("%s", error_message); | |
4746118a JB |
4392 | } |
4393 | ||
7a13e894 RS |
4394 | /* This is the usual handler for X protocol errors. |
4395 | It kills all frames on the display that we got the error for. | |
4396 | If that was the only one, it prints an error message and kills Emacs. */ | |
4397 | ||
c118dd06 JB |
4398 | static int |
4399 | x_error_quitter (display, error) | |
4400 | Display *display; | |
4401 | XErrorEvent *error; | |
4402 | { | |
7a13e894 | 4403 | char buf[256], buf1[356]; |
dc6f92b8 | 4404 | |
58769bee | 4405 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 4406 | original error handler. */ |
dc6f92b8 | 4407 | |
c118dd06 | 4408 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
7a13e894 | 4409 | sprintf (buf1, "X protocol error: %s on protocol request %d", |
c118dd06 | 4410 | buf, error->request_code); |
7a13e894 | 4411 | x_connection_closed (display, buf1); |
dc6f92b8 JB |
4412 | } |
4413 | ||
7a13e894 RS |
4414 | /* This is the handler for X IO errors, always. |
4415 | It kills all frames on the display that we lost touch with. | |
4416 | If that was the only one, it prints an error message and kills Emacs. */ | |
4417 | ||
8922af5f JB |
4418 | static int |
4419 | x_io_error_quitter (display) | |
4420 | Display *display; | |
4421 | { | |
7a13e894 | 4422 | char buf[256]; |
8922af5f | 4423 | |
7a13e894 RS |
4424 | sprintf (buf, "Connection lost to X server `%s'", DisplayString (display)); |
4425 | x_connection_closed (display, buf); | |
8922af5f | 4426 | } |
7a13e894 | 4427 | \f |
c118dd06 | 4428 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4429 | static char *x_caught_error_message; |
4430 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4431 | |
4432 | /* An X error handler which stores the error message in | |
4433 | x_caught_error_message. This is what's installed when | |
4434 | x_catch_errors is in effect. */ | |
7a13e894 | 4435 | |
c118dd06 JB |
4436 | static int |
4437 | x_error_catcher (display, error) | |
4438 | Display *display; | |
4439 | XErrorEvent *error; | |
4440 | { | |
4441 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4442 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4443 | } |
4444 | ||
4445 | ||
7a13e894 RS |
4446 | /* Begin trapping X errors for display DPY. Actually we trap X errors |
4447 | for all displays, but DPY should be the display you are actually | |
4448 | operating on. | |
dc6f92b8 | 4449 | |
c118dd06 JB |
4450 | After calling this function, X protocol errors no longer cause |
4451 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4452 | |
c118dd06 JB |
4453 | Calling x_check_errors signals an Emacs error if an X error has |
4454 | occurred since the last call to x_catch_errors or x_check_errors. | |
4455 | ||
4456 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4457 | ||
bc20ebbf | 4458 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4459 | |
4460 | void | |
7a13e894 RS |
4461 | x_catch_errors (dpy) |
4462 | Display *dpy; | |
dc6f92b8 | 4463 | { |
c118dd06 | 4464 | /* Make sure any errors from previous requests have been dealt with. */ |
7a13e894 | 4465 | XSync (dpy, False); |
dc6f92b8 | 4466 | |
c118dd06 | 4467 | /* Set up the error buffer. */ |
60f9aad3 | 4468 | x_caught_error_message |
cef13e55 RS |
4469 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4470 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4471 | |
c118dd06 | 4472 | /* Install our little error handler. */ |
334208b7 | 4473 | XSetErrorHandler (x_error_catcher); |
c118dd06 | 4474 | } |
16bd92ea | 4475 | |
c118dd06 JB |
4476 | /* If any X protocol errors have arrived since the last call to |
4477 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4478 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4479 | |
c118dd06 | 4480 | void |
7a13e894 RS |
4481 | x_check_errors (dpy, format) |
4482 | Display *dpy; | |
c118dd06 JB |
4483 | char *format; |
4484 | { | |
4485 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4486 | XSync (dpy, False); |
16bd92ea | 4487 | |
cef13e55 | 4488 | if (x_caught_error_message[0]) |
c118dd06 | 4489 | { |
cef13e55 | 4490 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4491 | |
cef13e55 | 4492 | sprintf (buf, format, x_caught_error_message); |
7a13e894 | 4493 | x_uncatch_errors (dpy); |
c118dd06 JB |
4494 | error (buf); |
4495 | } | |
4496 | } | |
4497 | ||
b849c413 RS |
4498 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4499 | ||
4500 | int | |
7a13e894 RS |
4501 | x_had_errors_p (dpy) |
4502 | Display *dpy; | |
b849c413 RS |
4503 | { |
4504 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4505 | XSync (dpy, False); |
b849c413 RS |
4506 | |
4507 | return x_caught_error_message[0] != 0; | |
4508 | } | |
4509 | ||
812361a1 RS |
4510 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4511 | ||
c118dd06 | 4512 | void |
7a13e894 RS |
4513 | x_uncatch_errors (dpy) |
4514 | Display *dpy; | |
c118dd06 | 4515 | { |
9ac0d9e0 | 4516 | xfree (x_caught_error_message); |
cef13e55 | 4517 | x_caught_error_message = 0; |
334208b7 | 4518 | XSetErrorHandler (x_error_quitter); |
dc6f92b8 JB |
4519 | } |
4520 | ||
dc6f92b8 JB |
4521 | #if 0 |
4522 | static unsigned int x_wire_count; | |
4523 | x_trace_wire () | |
4524 | { | |
4525 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4526 | } | |
c118dd06 | 4527 | #endif /* ! 0 */ |
dc6f92b8 JB |
4528 | |
4529 | \f | |
f451eb13 JB |
4530 | /* Changing the font of the frame. */ |
4531 | ||
76bcdf39 RS |
4532 | /* Give frame F the font named FONTNAME as its default font, and |
4533 | return the full name of that font. FONTNAME may be a wildcard | |
4534 | pattern; in that case, we choose some font that fits the pattern. | |
4535 | The return value shows which font we chose. */ | |
4536 | ||
b5cf7a0e | 4537 | Lisp_Object |
f676886a JB |
4538 | x_new_font (f, fontname) |
4539 | struct frame *f; | |
dc6f92b8 JB |
4540 | register char *fontname; |
4541 | { | |
dc6f92b8 JB |
4542 | int already_loaded; |
4543 | int n_matching_fonts; | |
4544 | XFontStruct *font_info; | |
4545 | char **font_names; | |
4546 | ||
4547 | /* Get a list of all the fonts that match this name. Once we | |
4548 | have a list of matching fonts, we compare them against the fonts | |
4549 | we already have by comparing font ids. */ | |
334208b7 | 4550 | font_names = (char **) XListFonts (FRAME_X_DISPLAY (f), fontname, |
2224a5fc | 4551 | 1024, &n_matching_fonts); |
0c94f6ee JB |
4552 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4553 | find any matches; font_names == 0 is the only clue. */ | |
4554 | if (! font_names) | |
4555 | n_matching_fonts = 0; | |
4556 | ||
5835f860 RS |
4557 | /* Don't just give up if n_matching_fonts is 0. |
4558 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4559 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 4560 | |
90e65f07 | 4561 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
4562 | already_loaded = -1; |
4563 | if (n_matching_fonts != 0) | |
4564 | { | |
4565 | int i, j; | |
dc6f92b8 | 4566 | |
7a13e894 | 4567 | for (i = 0; i < FRAME_X_DISPLAY_INFO (f)->n_fonts; i++) |
5835f860 | 4568 | for (j = 0; j < n_matching_fonts; j++) |
7a13e894 RS |
4569 | if (!strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].name, font_names[j]) |
4570 | || !strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name, font_names[j])) | |
5835f860 RS |
4571 | { |
4572 | already_loaded = i; | |
7a13e894 | 4573 | fontname = FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name; |
5835f860 RS |
4574 | goto found_font; |
4575 | } | |
4576 | } | |
dc6f92b8 | 4577 | found_font: |
58769bee | 4578 | |
dc6f92b8 | 4579 | /* If we have, just return it from the table. */ |
2224a5fc | 4580 | if (already_loaded >= 0) |
7a13e894 | 4581 | f->display.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[already_loaded].font; |
dc6f92b8 JB |
4582 | /* Otherwise, load the font and add it to the table. */ |
4583 | else | |
4584 | { | |
9696f58b | 4585 | int i; |
76bcdf39 | 4586 | char *full_name; |
dc6f92b8 | 4587 | XFontStruct *font; |
7a13e894 | 4588 | int n_fonts; |
dc6f92b8 | 4589 | |
9696f58b | 4590 | /* Try to find a character-cell font in the list. */ |
58769bee | 4591 | #if 0 |
f126bd67 | 4592 | /* A laudable goal, but this isn't how to do it. */ |
9696f58b JB |
4593 | for (i = 0; i < n_matching_fonts; i++) |
4594 | if (! font_info[i].per_char) | |
4595 | break; | |
f126bd67 JB |
4596 | #else |
4597 | i = 0; | |
4598 | #endif | |
9696f58b | 4599 | |
5835f860 RS |
4600 | /* See comment above. */ |
4601 | if (n_matching_fonts != 0) | |
9696f58b JB |
4602 | fontname = font_names[i]; |
4603 | ||
334208b7 | 4604 | font = (XFontStruct *) XLoadQueryFont (FRAME_X_DISPLAY (f), fontname); |
dc6f92b8 | 4605 | if (! font) |
5835f860 | 4606 | { |
2224a5fc | 4607 | /* Free the information from XListFonts. */ |
5835f860 | 4608 | if (n_matching_fonts) |
2224a5fc | 4609 | XFreeFontNames (font_names); |
5835f860 RS |
4610 | return Qnil; |
4611 | } | |
dc6f92b8 JB |
4612 | |
4613 | /* Do we need to create the table? */ | |
7a13e894 | 4614 | if (FRAME_X_DISPLAY_INFO (f)->font_table_size == 0) |
dc6f92b8 | 4615 | { |
7a13e894 RS |
4616 | FRAME_X_DISPLAY_INFO (f)->font_table_size = 16; |
4617 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4618 | = (struct font_info *) xmalloc (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4619 | * sizeof (struct font_info)); | |
dc6f92b8 JB |
4620 | } |
4621 | /* Do we need to grow the table? */ | |
7a13e894 RS |
4622 | else if (FRAME_X_DISPLAY_INFO (f)->n_fonts |
4623 | >= FRAME_X_DISPLAY_INFO (f)->font_table_size) | |
dc6f92b8 | 4624 | { |
7a13e894 RS |
4625 | FRAME_X_DISPLAY_INFO (f)->font_table_size *= 2; |
4626 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4627 | = (struct font_info *) xrealloc (FRAME_X_DISPLAY_INFO (f)->font_table, | |
4628 | (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4629 | * sizeof (struct font_info))); | |
dc6f92b8 JB |
4630 | } |
4631 | ||
76bcdf39 RS |
4632 | /* Try to get the full name of FONT. Put it in full_name. */ |
4633 | full_name = 0; | |
4634 | for (i = 0; i < font->n_properties; i++) | |
4635 | { | |
4636 | char *atom | |
334208b7 | 4637 | = XGetAtomName (FRAME_X_DISPLAY (f), font->properties[i].name); |
76bcdf39 | 4638 | if (!strcmp (atom, "FONT")) |
7965883b | 4639 | { |
334208b7 | 4640 | char *name = XGetAtomName (FRAME_X_DISPLAY (f), |
7965883b RS |
4641 | (Atom) (font->properties[i].card32)); |
4642 | char *p = name; | |
4643 | int dashes = 0; | |
4644 | ||
4645 | /* Count the number of dashes in the "full name". | |
4646 | If it is too few, this isn't really the font's full name, | |
4647 | so don't use it. | |
4648 | In X11R4, the fonts did not come with their canonical names | |
4649 | stored in them. */ | |
4650 | while (*p) | |
4651 | { | |
4652 | if (*p == '-') | |
4653 | dashes++; | |
4654 | p++; | |
4655 | } | |
4656 | ||
4657 | if (dashes >= 13) | |
4658 | full_name = name; | |
8ed24d5a RS |
4659 | |
4660 | break; | |
7965883b RS |
4661 | } |
4662 | ||
76bcdf39 RS |
4663 | XFree (atom); |
4664 | } | |
4665 | ||
7a13e894 RS |
4666 | n_fonts = FRAME_X_DISPLAY_INFO (f)->n_fonts; |
4667 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); | |
4668 | bcopy (fontname, FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name, strlen (fontname) + 1); | |
76bcdf39 | 4669 | if (full_name != 0) |
7a13e894 | 4670 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = full_name; |
76bcdf39 | 4671 | else |
7a13e894 RS |
4672 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name; |
4673 | f->display.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].font = font; | |
4674 | FRAME_X_DISPLAY_INFO (f)->n_fonts++; | |
76bcdf39 | 4675 | |
d53067dc RS |
4676 | if (full_name) |
4677 | fontname = full_name; | |
dc6f92b8 | 4678 | } |
2224a5fc | 4679 | |
b2cad826 KH |
4680 | /* Compute the scroll bar width in character columns. */ |
4681 | if (f->scroll_bar_pixel_width > 0) | |
4682 | { | |
4683 | int wid = FONT_WIDTH (f->display.x->font); | |
4684 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; | |
4685 | } | |
4686 | else | |
4687 | f->scroll_bar_cols = 2; | |
4688 | ||
f676886a | 4689 | /* Now make the frame display the given font. */ |
c118dd06 | 4690 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4691 | { |
334208b7 | 4692 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->normal_gc, |
f676886a | 4693 | f->display.x->font->fid); |
334208b7 | 4694 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->reverse_gc, |
f676886a | 4695 | f->display.x->font->fid); |
334208b7 | 4696 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->cursor_gc, |
f676886a JB |
4697 | f->display.x->font->fid); |
4698 | ||
a27f9f86 | 4699 | frame_update_line_height (f); |
0134a210 | 4700 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 4701 | } |
a27f9f86 RS |
4702 | else |
4703 | /* If we are setting a new frame's font for the first time, | |
4704 | there are no faces yet, so this font's height is the line height. */ | |
0cdd0c9f | 4705 | f->display.x->line_height = FONT_HEIGHT (f->display.x->font); |
dc6f92b8 | 4706 | |
b5cf7a0e | 4707 | { |
abdda982 | 4708 | Lisp_Object lispy_name; |
b5cf7a0e | 4709 | |
abdda982 | 4710 | lispy_name = build_string (fontname); |
b5cf7a0e | 4711 | |
2224a5fc | 4712 | /* Free the information from XListFonts. The data |
b5cf7a0e | 4713 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 4714 | XFreeFontNames (font_names); |
b5cf7a0e JB |
4715 | |
4716 | return lispy_name; | |
4717 | } | |
dc6f92b8 | 4718 | } |
dc6f92b8 | 4719 | \f |
43bca5d5 | 4720 | x_calc_absolute_position (f) |
f676886a | 4721 | struct frame *f; |
dc6f92b8 | 4722 | { |
6dba1858 RS |
4723 | Window win, child; |
4724 | int win_x = 0, win_y = 0; | |
43bca5d5 | 4725 | int flags = f->display.x->size_hint_flags; |
6dba1858 RS |
4726 | |
4727 | /* Find the position of the outside upper-left corner of | |
4728 | the inner window, with respect to the outer window. */ | |
334208b7 | 4729 | if (f->display.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
6dba1858 RS |
4730 | { |
4731 | BLOCK_INPUT; | |
334208b7 | 4732 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
58769bee | 4733 | |
6dba1858 RS |
4734 | /* From-window, to-window. */ |
4735 | f->display.x->window_desc, | |
4736 | f->display.x->parent_desc, | |
4737 | ||
4738 | /* From-position, to-position. */ | |
4739 | 0, 0, &win_x, &win_y, | |
4740 | ||
4741 | /* Child of win. */ | |
4742 | &child); | |
4743 | UNBLOCK_INPUT; | |
4744 | } | |
4745 | ||
4746 | /* Treat negative positions as relative to the leftmost bottommost | |
4747 | position that fits on the screen. */ | |
20f55f9a | 4748 | if (flags & XNegative) |
334208b7 | 4749 | f->display.x->left_pos = (FRAME_X_DISPLAY_INFO (f)->width |
69388238 | 4750 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
4751 | - PIXEL_WIDTH (f) |
4752 | + f->display.x->left_pos); | |
dc6f92b8 | 4753 | |
20f55f9a | 4754 | if (flags & YNegative) |
334208b7 | 4755 | f->display.x->top_pos = (FRAME_X_DISPLAY_INFO (f)->height |
69388238 | 4756 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
4757 | - PIXEL_HEIGHT (f) |
4758 | + f->display.x->top_pos); | |
3a35ab44 RS |
4759 | /* The left_pos and top_pos |
4760 | are now relative to the top and left screen edges, | |
4761 | so the flags should correspond. */ | |
4762 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
dc6f92b8 JB |
4763 | } |
4764 | ||
3a35ab44 RS |
4765 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
4766 | to really change the position, and 0 when calling from | |
4767 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
4768 | position values). */ | |
4769 | ||
dc05a16b | 4770 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 4771 | struct frame *f; |
dc6f92b8 | 4772 | register int xoff, yoff; |
dc05a16b | 4773 | int change_gravity; |
dc6f92b8 | 4774 | { |
3a35ab44 RS |
4775 | if (change_gravity) |
4776 | { | |
4777 | f->display.x->top_pos = yoff; | |
4778 | f->display.x->left_pos = xoff; | |
4779 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
4780 | if (xoff < 0) | |
4781 | f->display.x->size_hint_flags |= XNegative; | |
4782 | if (yoff < 0) | |
4783 | f->display.x->size_hint_flags |= YNegative; | |
4784 | f->display.x->win_gravity = NorthWestGravity; | |
4785 | } | |
43bca5d5 | 4786 | x_calc_absolute_position (f); |
dc6f92b8 JB |
4787 | |
4788 | BLOCK_INPUT; | |
3a35ab44 RS |
4789 | x_wm_set_size_hint (f, 0, 0); |
4790 | ||
3afe33e7 | 4791 | #ifdef USE_X_TOOLKIT |
334208b7 | 4792 | XMoveWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget), |
3afe33e7 RS |
4793 | f->display.x->left_pos, f->display.x->top_pos); |
4794 | #else /* not USE_X_TOOLKIT */ | |
334208b7 | 4795 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4796 | f->display.x->left_pos, f->display.x->top_pos); |
3afe33e7 | 4797 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
4798 | UNBLOCK_INPUT; |
4799 | } | |
4800 | ||
bc20ebbf FP |
4801 | /* Call this to change the size of frame F's x-window. |
4802 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
4803 | for this size change and subsequent size changes. | |
4804 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 4805 | |
bc20ebbf | 4806 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 4807 | struct frame *f; |
bc20ebbf | 4808 | int change_gravity; |
b1c884c3 | 4809 | int cols, rows; |
dc6f92b8 JB |
4810 | { |
4811 | int pixelwidth, pixelheight; | |
4812 | int mask; | |
dc6f92b8 | 4813 | |
80fd1fe2 FP |
4814 | #ifdef USE_X_TOOLKIT |
4815 | BLOCK_INPUT; | |
3a20653d RS |
4816 | { |
4817 | /* The x and y position of the widget is clobbered by the | |
4818 | call to XtSetValues within EmacsFrameSetCharSize. | |
4819 | This is a real kludge, but I don't understand Xt so I can't | |
4820 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
4821 | int xpos = f->display.x->widget->core.x; | |
4822 | int ypos = f->display.x->widget->core.y; | |
4823 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
4824 | f->display.x->widget->core.x = xpos; | |
4825 | f->display.x->widget->core.y = ypos; | |
4826 | } | |
80fd1fe2 FP |
4827 | UNBLOCK_INPUT; |
4828 | ||
4829 | #else /* not USE_X_TOOLKIT */ | |
4830 | ||
dc6f92b8 JB |
4831 | BLOCK_INPUT; |
4832 | ||
b1c884c3 | 4833 | check_frame_size (f, &rows, &cols); |
6dba1858 | 4834 | f->display.x->vertical_scroll_bar_extra |
b2cad826 KH |
4835 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
4836 | ? 0 | |
4837 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
480407eb | 4838 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
b2cad826 | 4839 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->display.x->font))); |
f451eb13 JB |
4840 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
4841 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 | 4842 | |
af31d76f RS |
4843 | f->display.x->win_gravity = NorthWestGravity; |
4844 | x_wm_set_size_hint (f, 0, 0); | |
6ccf47d1 | 4845 | |
334208b7 RS |
4846 | XSync (FRAME_X_DISPLAY (f), False); |
4847 | XResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
4848 | pixelwidth, pixelheight); | |
b1c884c3 JB |
4849 | |
4850 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4851 | but the window manager will get around to dealing with the size | |
4852 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4853 | ConfigureNotify event gets here. |
4854 | ||
4855 | We could just not bother storing any of this information here, | |
4856 | and let the ConfigureNotify event set everything up, but that | |
4857 | might be kind of confusing to the lisp code, since size changes | |
4858 | wouldn't be reported in the frame parameters until some random | |
4859 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4860 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4861 | PIXEL_WIDTH (f) = pixelwidth; |
4862 | PIXEL_HEIGHT (f) = pixelheight; | |
4863 | ||
4d73d038 RS |
4864 | /* If cursor was outside the new size, mark it as off. */ |
4865 | if (f->phys_cursor_y >= rows | |
4866 | || f->phys_cursor_x >= cols) | |
4867 | { | |
4868 | f->phys_cursor_x = -1; | |
4869 | f->phys_cursor_y = -1; | |
4870 | } | |
4871 | ||
dbc4e1c1 JB |
4872 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4873 | receive in the ConfigureNotify event; if we get what we asked | |
4874 | for, then the event won't cause the screen to become garbaged, so | |
4875 | we have to make sure to do it here. */ | |
4876 | SET_FRAME_GARBAGED (f); | |
4877 | ||
334208b7 | 4878 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 4879 | UNBLOCK_INPUT; |
80fd1fe2 | 4880 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 4881 | } |
dc6f92b8 | 4882 | \f |
f451eb13 | 4883 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4884 | |
9b378208 | 4885 | void |
f676886a JB |
4886 | x_set_mouse_position (f, x, y) |
4887 | struct frame *f; | |
dc6f92b8 JB |
4888 | int x, y; |
4889 | { | |
4890 | int pix_x, pix_y; | |
4891 | ||
12ba150f | 4892 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
a27f9f86 | 4893 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->display.x->line_height / 2; |
f451eb13 JB |
4894 | |
4895 | if (pix_x < 0) pix_x = 0; | |
4896 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4897 | ||
4898 | if (pix_y < 0) pix_y = 0; | |
4899 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4900 | |
4901 | BLOCK_INPUT; | |
dc6f92b8 | 4902 | |
334208b7 RS |
4903 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
4904 | 0, 0, 0, 0, pix_x, pix_y); | |
dc6f92b8 JB |
4905 | UNBLOCK_INPUT; |
4906 | } | |
4907 | ||
9b378208 RS |
4908 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
4909 | ||
4910 | void | |
4911 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
4912 | struct frame *f; | |
4913 | int pix_x, pix_y; | |
4914 | { | |
4915 | BLOCK_INPUT; | |
4916 | ||
334208b7 RS |
4917 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
4918 | 0, 0, 0, 0, pix_x, pix_y); | |
9b378208 RS |
4919 | UNBLOCK_INPUT; |
4920 | } | |
4921 | ||
f676886a JB |
4922 | x_focus_on_frame (f) |
4923 | struct frame *f; | |
dc6f92b8 | 4924 | { |
1fb20991 | 4925 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 4926 | x_raise_frame (f); |
1fb20991 | 4927 | #endif |
6d4238f3 JB |
4928 | #if 0 |
4929 | /* I don't think that the ICCCM allows programs to do things like this | |
4930 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4931 | doing with this code, do it to x_unfocus_frame too. */ |
334208b7 | 4932 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dc6f92b8 | 4933 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4934 | #endif /* ! 0 */ |
dc6f92b8 JB |
4935 | } |
4936 | ||
f676886a JB |
4937 | x_unfocus_frame (f) |
4938 | struct frame *f; | |
dc6f92b8 | 4939 | { |
6d4238f3 | 4940 | #if 0 |
f676886a JB |
4941 | /* Look at the remarks in x_focus_on_frame. */ |
4942 | if (x_focus_frame == f) | |
334208b7 | 4943 | XSetInputFocus (FRAME_X_DISPLAY (f), PointerRoot, |
dc6f92b8 | 4944 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4945 | #endif /* ! 0 */ |
dc6f92b8 JB |
4946 | } |
4947 | ||
f676886a | 4948 | /* Raise frame F. */ |
dc6f92b8 | 4949 | |
f676886a JB |
4950 | x_raise_frame (f) |
4951 | struct frame *f; | |
dc6f92b8 | 4952 | { |
3a88c238 | 4953 | if (f->async_visible) |
dc6f92b8 JB |
4954 | { |
4955 | BLOCK_INPUT; | |
3afe33e7 | 4956 | #ifdef USE_X_TOOLKIT |
334208b7 | 4957 | XRaiseWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget)); |
3afe33e7 | 4958 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 4959 | XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 4960 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 4961 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4962 | UNBLOCK_INPUT; |
4963 | } | |
4964 | } | |
4965 | ||
f676886a | 4966 | /* Lower frame F. */ |
dc6f92b8 | 4967 | |
f676886a JB |
4968 | x_lower_frame (f) |
4969 | struct frame *f; | |
dc6f92b8 | 4970 | { |
3a88c238 | 4971 | if (f->async_visible) |
dc6f92b8 JB |
4972 | { |
4973 | BLOCK_INPUT; | |
3afe33e7 | 4974 | #ifdef USE_X_TOOLKIT |
334208b7 | 4975 | XLowerWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget)); |
3afe33e7 | 4976 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 4977 | XLowerWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 4978 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 4979 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4980 | UNBLOCK_INPUT; |
4981 | } | |
4982 | } | |
4983 | ||
dbc4e1c1 JB |
4984 | static void |
4985 | XTframe_raise_lower (f, raise) | |
4986 | FRAME_PTR f; | |
4987 | int raise; | |
4988 | { | |
4989 | if (raise) | |
4990 | x_raise_frame (f); | |
4991 | else | |
4992 | x_lower_frame (f); | |
4993 | } | |
4994 | ||
fd13dbb2 RS |
4995 | /* Change from withdrawn state to mapped state, |
4996 | or deiconify. */ | |
dc6f92b8 | 4997 | |
f676886a JB |
4998 | x_make_frame_visible (f) |
4999 | struct frame *f; | |
dc6f92b8 JB |
5000 | { |
5001 | int mask; | |
990ba854 | 5002 | Lisp_Object type; |
dc6f92b8 | 5003 | |
dc6f92b8 | 5004 | BLOCK_INPUT; |
dc6f92b8 | 5005 | |
990ba854 RS |
5006 | type = x_icon_type (f); |
5007 | if (!NILP (type)) | |
5008 | x_bitmap_icon (f, type); | |
bdcd49ba | 5009 | |
f676886a | 5010 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 | 5011 | { |
af31d76f | 5012 | #ifndef USE_X_TOOLKIT |
fd13dbb2 RS |
5013 | if (! FRAME_ICONIFIED_P (f)) |
5014 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
af31d76f | 5015 | #endif |
dc05a16b | 5016 | |
90e65f07 | 5017 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 5018 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 5019 | #ifdef USE_X_TOOLKIT |
d7a38a2e RS |
5020 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
5021 | XtMapWidget (f->display.x->widget); | |
3afe33e7 | 5022 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 5023 | XMapWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5024 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
5025 | #if 0 /* This seems to bring back scroll bars in the wrong places |
5026 | if the window configuration has changed. They seem | |
5027 | to come back ok without this. */ | |
ab648270 | 5028 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 5029 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 5030 | #endif |
90e65f07 | 5031 | } |
dc6f92b8 | 5032 | |
334208b7 | 5033 | XFlush (FRAME_X_DISPLAY (f)); |
90e65f07 | 5034 | |
0dacf791 RS |
5035 | /* Synchronize to ensure Emacs knows the frame is visible |
5036 | before we do anything else. We do this loop with input not blocked | |
5037 | so that incoming events are handled. */ | |
5038 | { | |
5039 | Lisp_Object frame; | |
c0a04927 RS |
5040 | int count = input_signal_count; |
5041 | ||
5042 | /* This must come after we set COUNT. */ | |
5043 | UNBLOCK_INPUT; | |
5044 | ||
e0c1aef2 | 5045 | XSETFRAME (frame, f); |
c0a04927 RS |
5046 | |
5047 | while (1) | |
2a6cf806 | 5048 | { |
334208b7 | 5049 | x_sync (f); |
c0a04927 RS |
5050 | /* Once we have handled input events, |
5051 | we should have received the MapNotify if one is coming. | |
5052 | So if we have not got it yet, stop looping. | |
5053 | Some window managers make their own decisions | |
5054 | about visibility. */ | |
5055 | if (input_signal_count != count) | |
5056 | break; | |
c12a7cbd | 5057 | /* Machines that do polling rather than SIGIO have been observed |
23cf7c60 KH |
5058 | to go into a busy-wait here. So we'll fake an alarm signal |
5059 | to let the handler know that there's something to be read. | |
5060 | We used to raise a real alarm, but it seems that the handler | |
5061 | isn't always enabled here. This is probably a bug. */ | |
8b2f8d4e | 5062 | if (input_polling_used ()) |
3b2fa4e6 RS |
5063 | { |
5064 | /* It could be confusing if a real alarm arrives while processing | |
5065 | the fake one. Turn it off and let the handler reset it. */ | |
5066 | alarm (0); | |
5067 | input_poll_signal (); | |
5068 | } | |
c0a04927 RS |
5069 | /* Once we have handled input events, |
5070 | we should have received the MapNotify if one is coming. | |
5071 | So if we have not got it yet, stop looping. | |
5072 | Some window managers make their own decisions | |
5073 | about visibility. */ | |
5074 | if (input_signal_count != count) | |
5075 | break; | |
2a6cf806 | 5076 | } |
0dacf791 RS |
5077 | FRAME_SAMPLE_VISIBILITY (f); |
5078 | } | |
dc6f92b8 JB |
5079 | } |
5080 | ||
5081 | /* Change from mapped state to withdrawn state. */ | |
5082 | ||
f676886a JB |
5083 | x_make_frame_invisible (f) |
5084 | struct frame *f; | |
dc6f92b8 JB |
5085 | { |
5086 | int mask; | |
546e6d5b RS |
5087 | Window window; |
5088 | ||
5089 | #ifdef USE_X_TOOLKIT | |
5090 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
5091 | window = XtWindow (f->display.x->widget); | |
5092 | #else /* not USE_X_TOOLKIT */ | |
5093 | window = FRAME_X_WINDOW (f); | |
5094 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5095 | |
9319ae23 RS |
5096 | /* Don't keep the highlight on an invisible frame. */ |
5097 | if (x_highlight_frame == f) | |
5098 | x_highlight_frame = 0; | |
5099 | ||
5627c40e | 5100 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5101 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5102 | return; |
5627c40e | 5103 | #endif |
dc6f92b8 JB |
5104 | |
5105 | BLOCK_INPUT; | |
c118dd06 | 5106 | |
af31d76f RS |
5107 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
5108 | that the current position of the window is user-specified, rather than | |
5109 | program-specified, so that when the window is mapped again, it will be | |
5110 | placed at the same location, without forcing the user to position it | |
5111 | by hand again (they have already done that once for this window.) */ | |
5112 | x_wm_set_size_hint (f, 0, 1); | |
5113 | ||
c118dd06 JB |
5114 | #ifdef HAVE_X11R4 |
5115 | ||
334208b7 RS |
5116 | if (! XWithdrawWindow (FRAME_X_DISPLAY (f), window, |
5117 | DefaultScreen (FRAME_X_DISPLAY (f)))) | |
c118dd06 JB |
5118 | { |
5119 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5120 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 5121 | } |
c118dd06 | 5122 | #else /* ! defined (HAVE_X11R4) */ |
16bd92ea | 5123 | |
c118dd06 | 5124 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5125 | if (! EQ (Vx_no_window_manager, Qt)) |
5126 | { | |
16bd92ea | 5127 | XEvent unmap; |
dc6f92b8 | 5128 | |
16bd92ea | 5129 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 5130 | unmap.xunmap.window = window; |
334208b7 | 5131 | unmap.xunmap.event = DefaultRootWindow (FRAME_X_DISPLAY (f)); |
16bd92ea | 5132 | unmap.xunmap.from_configure = False; |
334208b7 RS |
5133 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5134 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5135 | False, |
5136 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5137 | &unmap)) | |
5138 | { | |
5139 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5140 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 5141 | } |
dc6f92b8 JB |
5142 | } |
5143 | ||
16bd92ea | 5144 | /* Unmap the window ourselves. Cheeky! */ |
334208b7 | 5145 | XUnmapWindow (FRAME_X_DISPLAY (f), window); |
c118dd06 | 5146 | #endif /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 5147 | |
5627c40e RS |
5148 | /* We can't distinguish this from iconification |
5149 | just by the event that we get from the server. | |
5150 | So we can't win using the usual strategy of letting | |
5151 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5152 | and synchronize with the server to make sure we agree. */ | |
5153 | f->visible = 0; | |
5154 | FRAME_ICONIFIED_P (f) = 0; | |
5155 | f->async_visible = 0; | |
5156 | f->async_iconified = 0; | |
5157 | ||
334208b7 | 5158 | x_sync (f); |
5627c40e | 5159 | |
dc6f92b8 JB |
5160 | UNBLOCK_INPUT; |
5161 | } | |
5162 | ||
dc6f92b8 JB |
5163 | /* Change window state from mapped to iconified. */ |
5164 | ||
f676886a JB |
5165 | x_iconify_frame (f) |
5166 | struct frame *f; | |
dc6f92b8 JB |
5167 | { |
5168 | int mask; | |
3afe33e7 | 5169 | int result; |
990ba854 | 5170 | Lisp_Object type; |
dc6f92b8 | 5171 | |
9319ae23 RS |
5172 | /* Don't keep the highlight on an invisible frame. */ |
5173 | if (x_highlight_frame == f) | |
5174 | x_highlight_frame = 0; | |
5175 | ||
3a88c238 | 5176 | if (f->async_iconified) |
dc6f92b8 JB |
5177 | return; |
5178 | ||
3afe33e7 | 5179 | BLOCK_INPUT; |
546e6d5b | 5180 | |
990ba854 RS |
5181 | type = x_icon_type (f); |
5182 | if (!NILP (type)) | |
5183 | x_bitmap_icon (f, type); | |
bdcd49ba RS |
5184 | |
5185 | #ifdef USE_X_TOOLKIT | |
5186 | ||
546e6d5b RS |
5187 | if (! FRAME_VISIBLE_P (f)) |
5188 | { | |
5189 | if (! EQ (Vx_no_window_manager, Qt)) | |
5190 | x_wm_set_window_state (f, IconicState); | |
5191 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
5192 | XtMapWidget (f->display.x->widget); | |
5193 | UNBLOCK_INPUT; | |
5194 | return; | |
5195 | } | |
5196 | ||
334208b7 | 5197 | result = XIconifyWindow (FRAME_X_DISPLAY (f), |
bc20ebbf | 5198 | XtWindow (f->display.x->widget), |
334208b7 | 5199 | DefaultScreen (FRAME_X_DISPLAY (f))); |
3afe33e7 RS |
5200 | UNBLOCK_INPUT; |
5201 | ||
5202 | if (!result) | |
546e6d5b | 5203 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
5204 | |
5205 | f->async_iconified = 1; | |
8c002a25 KH |
5206 | |
5207 | BLOCK_INPUT; | |
334208b7 | 5208 | XFlush (FRAME_X_DISPLAY (f)); |
8c002a25 | 5209 | UNBLOCK_INPUT; |
3afe33e7 RS |
5210 | #else /* not USE_X_TOOLKIT */ |
5211 | ||
fd13dbb2 RS |
5212 | /* Make sure the X server knows where the window should be positioned, |
5213 | in case the user deiconifies with the window manager. */ | |
5214 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
5215 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
5216 | ||
16bd92ea JB |
5217 | /* Since we don't know which revision of X we're running, we'll use both |
5218 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5219 | ||
5220 | /* X11R4: send a ClientMessage to the window manager using the | |
5221 | WM_CHANGE_STATE type. */ | |
5222 | { | |
5223 | XEvent message; | |
58769bee | 5224 | |
c118dd06 | 5225 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea | 5226 | message.xclient.type = ClientMessage; |
334208b7 | 5227 | message.xclient.message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_change_state; |
16bd92ea JB |
5228 | message.xclient.format = 32; |
5229 | message.xclient.data.l[0] = IconicState; | |
5230 | ||
334208b7 RS |
5231 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5232 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5233 | False, |
5234 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5235 | &message)) | |
dc6f92b8 JB |
5236 | { |
5237 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5238 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 5239 | } |
16bd92ea | 5240 | } |
dc6f92b8 | 5241 | |
58769bee | 5242 | /* X11R3: set the initial_state field of the window manager hints to |
16bd92ea JB |
5243 | IconicState. */ |
5244 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5245 | |
a9c00105 RS |
5246 | if (!FRAME_VISIBLE_P (f)) |
5247 | { | |
5248 | /* If the frame was withdrawn, before, we must map it. */ | |
334208b7 | 5249 | XMapWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 5250 | #if 0 /* We don't have subwindows in the icon. */ |
a9c00105 | 5251 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 5252 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 5253 | #endif |
a9c00105 RS |
5254 | } |
5255 | ||
3a88c238 | 5256 | f->async_iconified = 1; |
dc6f92b8 | 5257 | |
334208b7 | 5258 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5259 | UNBLOCK_INPUT; |
8c002a25 | 5260 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5261 | } |
5262 | ||
c0ff3fab | 5263 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5264 | |
c0ff3fab | 5265 | x_destroy_window (f) |
f676886a | 5266 | struct frame *f; |
dc6f92b8 | 5267 | { |
dc6f92b8 | 5268 | BLOCK_INPUT; |
c0ff3fab JB |
5269 | |
5270 | if (f->display.x->icon_desc != 0) | |
334208b7 RS |
5271 | XDestroyWindow (FRAME_X_DISPLAY (f), f->display.x->icon_desc); |
5272 | XDestroyWindow (FRAME_X_DISPLAY (f), f->display.x->window_desc); | |
3afe33e7 RS |
5273 | #ifdef USE_X_TOOLKIT |
5274 | XtDestroyWidget (f->display.x->widget); | |
9d7e2e3e | 5275 | free_frame_menubar (f); |
3afe33e7 RS |
5276 | #endif /* USE_X_TOOLKIT */ |
5277 | ||
07e34cb0 | 5278 | free_frame_faces (f); |
334208b7 | 5279 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5280 | |
334208b7 | 5281 | FRAME_X_DISPLAY_INFO (f)->reference_count--; |
4eacadbd | 5282 | #if 0 |
334208b7 RS |
5283 | if (FRAME_X_DISPLAY_INFO (f)->reference_count == 0) |
5284 | free (FRAME_X_DISPLAY_INFO (f)); | |
4eacadbd RS |
5285 | #endif |
5286 | ||
9ac0d9e0 | 5287 | xfree (f->display.x); |
c0ff3fab | 5288 | f->display.x = 0; |
f676886a JB |
5289 | if (f == x_focus_frame) |
5290 | x_focus_frame = 0; | |
5291 | if (f == x_highlight_frame) | |
5292 | x_highlight_frame = 0; | |
c0ff3fab | 5293 | |
7a13e894 | 5294 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
dc05a16b | 5295 | { |
7a13e894 RS |
5296 | FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
5297 | = FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col = -1; | |
5298 | FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
5299 | = FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col = -1; | |
5300 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = Qnil; | |
dc05a16b | 5301 | } |
0134a210 | 5302 | |
c0ff3fab | 5303 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5304 | } |
5305 | \f | |
f451eb13 JB |
5306 | /* Setting window manager hints. */ |
5307 | ||
af31d76f RS |
5308 | /* Set the normal size hints for the window manager, for frame F. |
5309 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5310 | that the window now has. | |
5311 | If USER_POSITION is nonzero, we set the USPosition | |
5312 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5313 | |
af31d76f | 5314 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5315 | struct frame *f; |
af31d76f RS |
5316 | long flags; |
5317 | int user_position; | |
dc6f92b8 JB |
5318 | { |
5319 | XSizeHints size_hints; | |
3afe33e7 RS |
5320 | |
5321 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5322 | Arg al[2]; |
5323 | int ac = 0; | |
5324 | Dimension widget_width, widget_height; | |
bc20ebbf | 5325 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5326 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5327 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5328 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5329 | |
b72a58fd RS |
5330 | /* Setting PMaxSize caused various problems. */ |
5331 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5332 | |
f676886a JB |
5333 | flexlines = f->height; |
5334 | ||
5335 | size_hints.x = f->display.x->left_pos; | |
5336 | size_hints.y = f->display.x->top_pos; | |
7553a6b7 | 5337 | |
7e4f2521 FP |
5338 | #ifdef USE_X_TOOLKIT |
5339 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5340 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
5341 | XtGetValues (f->display.x->column_widget, al, ac); | |
5342 | size_hints.height = widget_height; | |
5343 | size_hints.width = widget_width; | |
5344 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5345 | size_hints.height = PIXEL_HEIGHT (f); |
5346 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5347 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5348 | |
f676886a | 5349 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 5350 | size_hints.height_inc = f->display.x->line_height; |
334208b7 RS |
5351 | size_hints.max_width |
5352 | = FRAME_X_DISPLAY_INFO (f)->width - CHAR_TO_PIXEL_WIDTH (f, 0); | |
5353 | size_hints.max_height | |
5354 | = FRAME_X_DISPLAY_INFO (f)->height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5355 | |
b1c884c3 | 5356 | { |
b0342f17 | 5357 | int base_width, base_height; |
0134a210 | 5358 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5359 | |
f451eb13 JB |
5360 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5361 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5362 | |
0134a210 | 5363 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5364 | |
0134a210 RS |
5365 | /* The window manager uses the base width hints to calculate the |
5366 | current number of rows and columns in the frame while | |
5367 | resizing; min_width and min_height aren't useful for this | |
5368 | purpose, since they might not give the dimensions for a | |
5369 | zero-row, zero-column frame. | |
58769bee | 5370 | |
0134a210 RS |
5371 | We use the base_width and base_height members if we have |
5372 | them; otherwise, we set the min_width and min_height members | |
5373 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5374 | |
5375 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5376 | size_hints.flags |= PBaseSize; |
5377 | size_hints.base_width = base_width; | |
5378 | size_hints.base_height = base_height; | |
5379 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5380 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5381 | #else |
0134a210 RS |
5382 | size_hints.min_width = base_width; |
5383 | size_hints.min_height = base_height; | |
b0342f17 | 5384 | #endif |
b1c884c3 | 5385 | } |
dc6f92b8 | 5386 | |
af31d76f RS |
5387 | if (flags) |
5388 | size_hints.flags |= flags; | |
dc6f92b8 JB |
5389 | else |
5390 | { | |
5391 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
af31d76f RS |
5392 | long supplied_return; |
5393 | int value; | |
5394 | ||
5395 | #ifdef HAVE_X11R4 | |
334208b7 | 5396 | value = XGetWMNormalHints (FRAME_X_DISPLAY (f), window, &hints, |
af31d76f RS |
5397 | &supplied_return); |
5398 | #else | |
334208b7 | 5399 | value = XGetNormalHints (FRAME_X_DISPLAY (f), window, &hints); |
af31d76f | 5400 | #endif |
58769bee | 5401 | |
af31d76f | 5402 | if (value == 0) |
82ee0df4 | 5403 | hints.flags = 0; |
dc6f92b8 JB |
5404 | if (hints.flags & PSize) |
5405 | size_hints.flags |= PSize; | |
5406 | if (hints.flags & PPosition) | |
5407 | size_hints.flags |= PPosition; | |
5408 | if (hints.flags & USPosition) | |
5409 | size_hints.flags |= USPosition; | |
5410 | if (hints.flags & USSize) | |
5411 | size_hints.flags |= USSize; | |
5412 | } | |
0134a210 | 5413 | |
af31d76f | 5414 | #ifdef PWinGravity |
dc05a16b | 5415 | size_hints.win_gravity = f->display.x->win_gravity; |
af31d76f | 5416 | size_hints.flags |= PWinGravity; |
dc05a16b | 5417 | |
af31d76f | 5418 | if (user_position) |
6dba1858 | 5419 | { |
af31d76f RS |
5420 | size_hints.flags &= ~ PPosition; |
5421 | size_hints.flags |= USPosition; | |
6dba1858 | 5422 | } |
2554751d | 5423 | #endif /* PWinGravity */ |
6dba1858 | 5424 | |
b0342f17 | 5425 | #ifdef HAVE_X11R4 |
334208b7 | 5426 | XSetWMNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5427 | #else |
334208b7 | 5428 | XSetNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5429 | #endif |
dc6f92b8 JB |
5430 | } |
5431 | ||
5432 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5433 | x_wm_set_window_state (f, state) |
5434 | struct frame *f; | |
dc6f92b8 JB |
5435 | int state; |
5436 | { | |
3afe33e7 | 5437 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
5438 | Arg al[1]; |
5439 | ||
5440 | XtSetArg (al[0], XtNinitialState, state); | |
5441 | XtSetValues (f->display.x->widget, al, 1); | |
3afe33e7 | 5442 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5443 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5444 | |
16bd92ea JB |
5445 | f->display.x->wm_hints.flags |= StateHint; |
5446 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 5447 | |
334208b7 | 5448 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
546e6d5b | 5449 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5450 | } |
5451 | ||
7f2ae036 | 5452 | x_wm_set_icon_pixmap (f, pixmap_id) |
f676886a | 5453 | struct frame *f; |
7f2ae036 | 5454 | int pixmap_id; |
dc6f92b8 | 5455 | { |
75231bad RS |
5456 | #ifdef USE_X_TOOLKIT |
5457 | Window window = XtWindow (f->display.x->widget); | |
5458 | #else | |
c118dd06 | 5459 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5460 | #endif |
dc6f92b8 | 5461 | |
7f2ae036 | 5462 | if (pixmap_id > 0) |
dbc4e1c1 | 5463 | { |
7a13e894 | 5464 | Pixmap icon_pixmap = x_bitmap_pixmap (f, pixmap_id); |
dbc4e1c1 JB |
5465 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; |
5466 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
5467 | } | |
5468 | else | |
7f2ae036 RS |
5469 | { |
5470 | f->display.x->wm_hints.icon_pixmap = None; | |
5471 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
5472 | } | |
b1c884c3 | 5473 | |
334208b7 | 5474 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5475 | } |
5476 | ||
f676886a JB |
5477 | x_wm_set_icon_position (f, icon_x, icon_y) |
5478 | struct frame *f; | |
dc6f92b8 JB |
5479 | int icon_x, icon_y; |
5480 | { | |
75231bad RS |
5481 | #ifdef USE_X_TOOLKIT |
5482 | Window window = XtWindow (f->display.x->widget); | |
5483 | #else | |
c118dd06 | 5484 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5485 | #endif |
dc6f92b8 | 5486 | |
16bd92ea JB |
5487 | f->display.x->wm_hints.flags |= IconPositionHint; |
5488 | f->display.x->wm_hints.icon_x = icon_x; | |
5489 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5490 | |
334208b7 | 5491 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5492 | } |
5493 | ||
5494 | \f | |
f451eb13 JB |
5495 | /* Initialization. */ |
5496 | ||
3afe33e7 RS |
5497 | #ifdef USE_X_TOOLKIT |
5498 | static XrmOptionDescRec emacs_options[] = { | |
5499 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5500 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5501 | ||
5502 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5503 | XrmoptionSepArg, NULL}, | |
5504 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5505 | ||
5506 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5507 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5508 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5509 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5510 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5511 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
5512 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
5513 | }; | |
5514 | #endif /* USE_X_TOOLKIT */ | |
5515 | ||
7a13e894 RS |
5516 | static int x_initialized; |
5517 | ||
334208b7 | 5518 | struct x_display_info * |
1f8255f2 | 5519 | x_term_init (display_name, xrm_option, resource_name) |
334208b7 | 5520 | Lisp_Object display_name; |
1f8255f2 RS |
5521 | char *xrm_option; |
5522 | char *resource_name; | |
dc6f92b8 | 5523 | { |
f676886a | 5524 | Lisp_Object frame; |
dc6f92b8 | 5525 | char *defaultvalue; |
3afe33e7 RS |
5526 | int argc = 0; |
5527 | char** argv = 0; | |
334208b7 | 5528 | int connection; |
7a13e894 | 5529 | Display *dpy; |
334208b7 RS |
5530 | struct x_display_info *dpyinfo; |
5531 | XrmDatabase xrdb; | |
5532 | ||
7a13e894 RS |
5533 | if (!x_initialized) |
5534 | { | |
5535 | x_initialize (); | |
5536 | x_initialized = 1; | |
5537 | } | |
dc6f92b8 | 5538 | |
3afe33e7 | 5539 | #ifdef USE_X_TOOLKIT |
bdcd49ba RS |
5540 | #ifdef HAVE_X11R5 |
5541 | XtSetLanguageProc (NULL, NULL, NULL); | |
5542 | #endif | |
5543 | ||
1f8255f2 RS |
5544 | argv = (char **) XtMalloc (7 * sizeof (char *)); |
5545 | argv[0] = ""; | |
5546 | argv[1] = "-display"; | |
334208b7 | 5547 | argv[2] = XSTRING (display_name)->data; |
1f8255f2 RS |
5548 | argv[3] = "-name"; |
5549 | /* Usually `emacs', but not always. */ | |
5550 | argv[4] = resource_name; | |
c2df547c | 5551 | argc = 5; |
1f8255f2 RS |
5552 | if (xrm_option) |
5553 | { | |
5554 | argv[argc++] = "-xrm"; | |
5555 | argv[argc++] = xrm_option; | |
5556 | } | |
3afe33e7 | 5557 | Xt_app_shell = XtAppInitialize (&Xt_app_con, "Emacs", |
bc20ebbf | 5558 | emacs_options, XtNumber (emacs_options), |
3afe33e7 RS |
5559 | &argc, argv, |
5560 | NULL, NULL, 0); | |
983f76b8 | 5561 | XtFree ((char *)argv); |
7a13e894 | 5562 | dpy = XtDisplay (Xt_app_shell); |
3afe33e7 RS |
5563 | |
5564 | #else /* not USE_X_TOOLKIT */ | |
bdcd49ba RS |
5565 | #ifdef HAVE_X11R5 |
5566 | XSetLocaleModifiers (""); | |
5567 | #endif | |
7a13e894 | 5568 | dpy = XOpenDisplay (XSTRING (display_name)->data); |
3afe33e7 | 5569 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5570 | |
7a13e894 RS |
5571 | /* Detect failure. */ |
5572 | if (dpy == 0) | |
5573 | return 0; | |
5574 | ||
5575 | /* We have definitely succeeded. Record the new connection. */ | |
5576 | ||
5577 | dpyinfo = (struct x_display_info *) xmalloc (sizeof (struct x_display_info)); | |
5578 | ||
5579 | /* Put this display on the chain. */ | |
5580 | dpyinfo->next = x_display_list; | |
5581 | x_display_list = dpyinfo; | |
5582 | ||
5583 | /* Put it on x_display_name_list as well, to keep them parallel. */ | |
5584 | x_display_name_list = Fcons (Fcons (display_name, Qnil), | |
5585 | x_display_name_list); | |
5586 | dpyinfo->name_list_element = XCONS (x_display_name_list)->car; | |
5587 | ||
5588 | dpyinfo->display = dpy; | |
dc6f92b8 | 5589 | |
dc6f92b8 | 5590 | #if 0 |
7a13e894 | 5591 | XSetAfterFunction (x_current_display, x_trace_wire); |
c118dd06 | 5592 | #endif /* ! 0 */ |
7a13e894 RS |
5593 | |
5594 | dpyinfo->x_id_name | |
5595 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size | |
5596 | + XSTRING (Vsystem_name)->size | |
5597 | + 2); | |
5598 | sprintf (dpyinfo->x_id_name, "%s@%s", | |
5599 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
28430d3c JB |
5600 | |
5601 | /* Figure out which modifier bits mean what. */ | |
334208b7 | 5602 | x_find_modifier_meanings (dpyinfo); |
f451eb13 | 5603 | |
ab648270 | 5604 | /* Get the scroll bar cursor. */ |
7a13e894 | 5605 | dpyinfo->vertical_scroll_bar_cursor |
334208b7 | 5606 | = XCreateFontCursor (dpyinfo->display, XC_sb_v_double_arrow); |
f451eb13 | 5607 | |
334208b7 RS |
5608 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
5609 | resource_name, EMACS_CLASS); | |
5610 | #ifdef HAVE_XRMSETDATABASE | |
5611 | XrmSetDatabase (dpyinfo->display, xrdb); | |
5612 | #else | |
5613 | dpyinfo->display->db = xrdb; | |
5614 | #endif | |
7a13e894 RS |
5615 | /* Put thr rdb where we can find it in a way that works on |
5616 | all versions. */ | |
5617 | dpyinfo->xrdb = xrdb; | |
334208b7 RS |
5618 | |
5619 | dpyinfo->screen = ScreenOfDisplay (dpyinfo->display, | |
5620 | DefaultScreen (dpyinfo->display)); | |
5621 | dpyinfo->visual = select_visual (dpyinfo->display, dpyinfo->screen, | |
5622 | &dpyinfo->n_planes); | |
5623 | dpyinfo->height = HeightOfScreen (dpyinfo->screen); | |
5624 | dpyinfo->width = WidthOfScreen (dpyinfo->screen); | |
5625 | dpyinfo->root_window = RootWindowOfScreen (dpyinfo->screen); | |
5626 | dpyinfo->grabbed = 0; | |
5627 | dpyinfo->reference_count = 0; | |
5628 | dpyinfo->icon_bitmap_id = -1; | |
7a13e894 RS |
5629 | dpyinfo->n_fonts = 0; |
5630 | dpyinfo->font_table_size = 0; | |
5631 | dpyinfo->bitmaps = 0; | |
5632 | dpyinfo->bitmaps_size = 0; | |
5633 | dpyinfo->bitmaps_last = 0; | |
5634 | dpyinfo->scratch_cursor_gc = 0; | |
5635 | dpyinfo->mouse_face_mouse_frame = 0; | |
5636 | dpyinfo->mouse_face_deferred_gc = 0; | |
5637 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
5638 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
5639 | dpyinfo->mouse_face_face_id = 0; | |
5640 | dpyinfo->mouse_face_window = Qnil; | |
5641 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; | |
5642 | dpyinfo->mouse_face_defer = 0; | |
334208b7 RS |
5643 | |
5644 | dpyinfo->Xatom_wm_protocols | |
5645 | = XInternAtom (dpyinfo->display, "WM_PROTOCOLS", False); | |
5646 | dpyinfo->Xatom_wm_take_focus | |
5647 | = XInternAtom (dpyinfo->display, "WM_TAKE_FOCUS", False); | |
5648 | dpyinfo->Xatom_wm_save_yourself | |
5649 | = XInternAtom (dpyinfo->display, "WM_SAVE_YOURSELF", False); | |
5650 | dpyinfo->Xatom_wm_delete_window | |
5651 | = XInternAtom (dpyinfo->display, "WM_DELETE_WINDOW", False); | |
5652 | dpyinfo->Xatom_wm_change_state | |
5653 | = XInternAtom (dpyinfo->display, "WM_CHANGE_STATE", False); | |
5654 | dpyinfo->Xatom_wm_configure_denied | |
5655 | = XInternAtom (dpyinfo->display, "WM_CONFIGURE_DENIED", False); | |
5656 | dpyinfo->Xatom_wm_window_moved | |
5657 | = XInternAtom (dpyinfo->display, "WM_MOVED", False); | |
5658 | dpyinfo->Xatom_editres | |
5659 | = XInternAtom (dpyinfo->display, "Editres", False); | |
5660 | dpyinfo->Xatom_CLIPBOARD | |
5661 | = XInternAtom (dpyinfo->display, "CLIPBOARD", False); | |
5662 | dpyinfo->Xatom_TIMESTAMP | |
5663 | = XInternAtom (dpyinfo->display, "TIMESTAMP", False); | |
5664 | dpyinfo->Xatom_TEXT | |
5665 | = XInternAtom (dpyinfo->display, "TEXT", False); | |
5666 | dpyinfo->Xatom_DELETE | |
5667 | = XInternAtom (dpyinfo->display, "DELETE", False); | |
5668 | dpyinfo->Xatom_MULTIPLE | |
5669 | = XInternAtom (dpyinfo->display, "MULTIPLE", False); | |
5670 | dpyinfo->Xatom_INCR | |
5671 | = XInternAtom (dpyinfo->display, "INCR", False); | |
5672 | dpyinfo->Xatom_EMACS_TMP | |
5673 | = XInternAtom (dpyinfo->display, "_EMACS_TMP_", False); | |
5674 | dpyinfo->Xatom_TARGETS | |
5675 | = XInternAtom (dpyinfo->display, "TARGETS", False); | |
5676 | dpyinfo->Xatom_NULL | |
5677 | = XInternAtom (dpyinfo->display, "NULL", False); | |
5678 | dpyinfo->Xatom_ATOM_PAIR | |
5679 | = XInternAtom (dpyinfo->display, "ATOM_PAIR", False); | |
5680 | ||
5681 | connection = ConnectionNumber (dpyinfo->display); | |
5682 | dpyinfo->connection = connection; | |
5683 | ||
87485d6f MW |
5684 | #ifdef subprocesses |
5685 | /* This is only needed for distinguishing keyboard and process input. */ | |
334208b7 | 5686 | if (connection != 0) |
7a13e894 | 5687 | add_keyboard_wait_descriptor (connection); |
87485d6f | 5688 | #endif |
6d4238f3 | 5689 | |
041b69ac | 5690 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 5691 | #ifdef F_SETOWN |
dc6f92b8 | 5692 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 | 5693 | /* stdin is a socket here */ |
334208b7 | 5694 | fcntl (connection, F_SETOWN, -getpid ()); |
c118dd06 | 5695 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
334208b7 | 5696 | fcntl (connection, F_SETOWN, getpid ()); |
c118dd06 JB |
5697 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
5698 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 5699 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
5700 | |
5701 | #ifdef SIGIO | |
7a13e894 | 5702 | init_sigio (connection); |
c118dd06 | 5703 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 5704 | |
7a13e894 RS |
5705 | return dpyinfo; |
5706 | } | |
5707 | \f | |
5708 | /* Get rid of display DPYINFO, assuming all frames are already gone, | |
5709 | and without sending any more commands to the X server. */ | |
dc6f92b8 | 5710 | |
7a13e894 RS |
5711 | void |
5712 | x_delete_display (dpyinfo) | |
5713 | struct x_display_info *dpyinfo; | |
5714 | { | |
5715 | delete_keyboard_wait_descriptor (dpyinfo->connection); | |
5716 | ||
5717 | /* Discard this display from x_display_name_list and x_display_list. | |
5718 | We can't use Fdelq because that can quit. */ | |
5719 | if (! NILP (x_display_name_list) | |
5720 | && EQ (XCONS (x_display_name_list)->car, dpyinfo->name_list_element)) | |
5721 | x_display_name_list = XCONS (x_display_name_list)->cdr; | |
5722 | else | |
5723 | { | |
5724 | Lisp_Object tail; | |
5725 | ||
5726 | tail = x_display_name_list; | |
5727 | while (CONSP (tail) && CONSP (XCONS (tail)->cdr)) | |
5728 | { | |
5729 | if (EQ (XCONS (XCONS (tail)->cdr)->car, | |
5730 | dpyinfo->name_list_element)) | |
5731 | { | |
5732 | XCONS (tail)->cdr = XCONS (XCONS (tail)->cdr)->cdr; | |
5733 | break; | |
5734 | } | |
5735 | tail = XCONS (tail)->cdr; | |
5736 | } | |
5737 | } | |
5738 | ||
5739 | if (x_display_list == dpyinfo) | |
5740 | x_display_list = dpyinfo->next; | |
5741 | { | |
5742 | struct x_display_info *tail; | |
5743 | ||
5744 | for (tail = x_display_list; tail; tail = tail->next) | |
5745 | if (tail->next == dpyinfo) | |
5746 | tail->next = tail->next->next; | |
5747 | } | |
5748 | ||
5749 | /* ??? Should free the xrdb slot somehow? */ | |
5750 | free (dpyinfo->font_table); | |
5751 | free (dpyinfo->x_id_name); | |
5752 | free (dpyinfo); | |
5753 | } | |
5754 | \f | |
5755 | /* Set up use of X before we make the first connection. */ | |
5756 | ||
5757 | x_initialize () | |
5758 | { | |
f676886a | 5759 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
5760 | clear_end_of_line_hook = XTclear_end_of_line; |
5761 | ins_del_lines_hook = XTins_del_lines; | |
5762 | change_line_highlight_hook = XTchange_line_highlight; | |
5763 | insert_glyphs_hook = XTinsert_glyphs; | |
5764 | write_glyphs_hook = XTwrite_glyphs; | |
5765 | delete_glyphs_hook = XTdelete_glyphs; | |
5766 | ring_bell_hook = XTring_bell; | |
5767 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
5768 | set_terminal_modes_hook = XTset_terminal_modes; | |
5769 | update_begin_hook = XTupdate_begin; | |
5770 | update_end_hook = XTupdate_end; | |
5771 | set_terminal_window_hook = XTset_terminal_window; | |
5772 | read_socket_hook = XTread_socket; | |
b8009dd1 | 5773 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
5774 | cursor_to_hook = XTcursor_to; |
5775 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 5776 | mouse_position_hook = XTmouse_position; |
f451eb13 | 5777 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 5778 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
5779 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
5780 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
5781 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
5782 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
58769bee | 5783 | |
f676886a | 5784 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
5785 | char_ins_del_ok = 0; /* just as fast to write the line */ |
5786 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
5787 | fast_clear_end_of_line = 1; /* X does this well */ | |
58769bee | 5788 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
5789 | off the bottom */ |
5790 | baud_rate = 19200; | |
5791 | ||
7a13e894 RS |
5792 | x_noop_count = 0; |
5793 | ||
5794 | x_focus_frame = x_highlight_frame = 0; | |
5795 | ||
b30b24cb RS |
5796 | /* Try to use interrupt input; if we can't, then start polling. */ |
5797 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
5798 | ||
58769bee | 5799 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 5800 | original error handler. */ |
334208b7 RS |
5801 | XSetErrorHandler (x_error_quitter); |
5802 | XSetIOErrorHandler (x_io_error_quitter); | |
dc6f92b8 JB |
5803 | |
5804 | /* Disable Window Change signals; they are handled by X events. */ | |
5805 | #ifdef SIGWINCH | |
5806 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 5807 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 5808 | |
c118dd06 | 5809 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 5810 | } |
55123275 JB |
5811 | |
5812 | void | |
5813 | syms_of_xterm () | |
5814 | { | |
7a13e894 RS |
5815 | staticpro (&x_display_name_list); |
5816 | x_display_name_list = Qnil; | |
334208b7 | 5817 | |
ab648270 | 5818 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 5819 | last_mouse_scroll_bar = Qnil; |
55123275 | 5820 | } |
c118dd06 | 5821 | #endif /* ! defined (HAVE_X_WINDOWS) */ |