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 | ||
69 | #include "dispextern.h" | |
70 | #include "termhooks.h" | |
71 | #include "termopts.h" | |
72 | #include "termchar.h" | |
73 | #if 0 | |
74 | #include "sink.h" | |
75 | #include "sinkmask.h" | |
c118dd06 | 76 | #endif /* ! 0 */ |
dc6f92b8 | 77 | #include "gnu.h" |
f676886a | 78 | #include "frame.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 | /* Nonzero means we must reprint all windows |
133 | because 1) we received an ExposeWindow event | |
f451eb13 | 134 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 135 | |
f451eb13 | 136 | This is never needed under X11. */ |
dc6f92b8 JB |
137 | static int expose_all_windows; |
138 | ||
139 | /* Nonzero means we must reprint all icon windows. */ | |
140 | ||
141 | static int expose_all_icons; | |
142 | ||
dc6f92b8 JB |
143 | #if defined (SIGIO) && defined (FIONREAD) |
144 | int BLOCK_INPUT_mask; | |
c118dd06 | 145 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 146 | |
dc6f92b8 JB |
147 | /* The id of a bitmap used for icon windows. |
148 | One such map is shared by all Emacs icon windows. | |
149 | This is zero if we have not yet had a need to create the bitmap. */ | |
150 | ||
151 | static Bitmap icon_bitmap; | |
152 | ||
153 | /* Font used for text icons. */ | |
154 | ||
155 | static FONT_TYPE *icon_font_info; | |
156 | ||
157 | /* Stuff for dealing with the main icon title. */ | |
158 | ||
becadff8 KH |
159 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
160 | char *x_id_name; | |
dc6f92b8 | 161 | |
0ab983c8 RS |
162 | /* Initial values of argv and argc. */ |
163 | extern char **initial_argv; | |
164 | extern int initial_argc; | |
165 | ||
dc6f92b8 JB |
166 | /* This is the X connection that we are using. */ |
167 | ||
168 | Display *x_current_display; | |
169 | ||
ab648270 JB |
170 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
171 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 172 | |
987d2ad1 | 173 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 174 | This is set by update_begin and looked at by all the |
dc6f92b8 | 175 | XT functions. It is zero while not inside an update. |
f676886a JB |
176 | In that case, the XT functions assume that `selected_frame' |
177 | is the frame to apply to. */ | |
d0386f2a | 178 | extern struct frame *updating_frame; |
dc6f92b8 | 179 | |
f676886a | 180 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
181 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
182 | that a mere EnterNotify event can set this; if you need to know the | |
183 | last frame specified in a FocusIn or FocusOut event, use | |
184 | x_focus_event_frame. */ | |
f676886a | 185 | struct frame *x_focus_frame; |
dc6f92b8 | 186 | |
0134a210 RS |
187 | /* This is a frame waiting to be autoraised, within XTread_socket. */ |
188 | struct frame *pending_autoraise_frame; | |
189 | ||
f451eb13 JB |
190 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
191 | separate from x_focus_frame, because whether or not LeaveNotify | |
192 | events cause us to lose focus depends on whether or not we have | |
193 | received a FocusIn event for it. */ | |
194 | struct frame *x_focus_event_frame; | |
195 | ||
f676886a JB |
196 | /* The frame which currently has the visual highlight, and should get |
197 | keyboard input (other sorts of input have the frame encoded in the | |
198 | event). It points to the X focus frame's selected window's | |
199 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 200 | minibuffer. */ |
f676886a | 201 | static struct frame *x_highlight_frame; |
6d4238f3 | 202 | |
dc6f92b8 | 203 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 204 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
205 | |
206 | static int warp_mouse_on_deiconify; | |
207 | ||
208 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
209 | ||
210 | static int flexlines; | |
211 | ||
212 | /* During an update, nonzero if chars output now should be highlighted. */ | |
213 | ||
214 | static int highlight; | |
215 | ||
216 | /* Nominal cursor position -- where to draw output. | |
217 | During an update, these are different from the cursor-box position. */ | |
218 | ||
219 | static int curs_x; | |
220 | static int curs_y; | |
221 | ||
11dd3d61 RS |
222 | /* Reusable Graphics Context for drawing a cursor in a non-default face. */ |
223 | static GC scratch_cursor_gc; | |
224 | ||
69388238 RS |
225 | /* Mouse movement. |
226 | ||
227 | In order to avoid asking for motion events and then throwing most | |
228 | of them away or busy-polling the server for mouse positions, we ask | |
229 | the server for pointer motion hints. This means that we get only | |
230 | one event per group of mouse movements. "Groups" are delimited by | |
231 | other kinds of events (focus changes and button clicks, for | |
232 | example), or by XQueryPointer calls; when one of these happens, we | |
233 | get another MotionNotify event the next time the mouse moves. This | |
234 | is at least as efficient as getting motion events when mouse | |
235 | tracking is on, and I suspect only negligibly worse when tracking | |
236 | is off. | |
237 | ||
238 | The silly O'Reilly & Associates Nutshell guides barely document | |
239 | pointer motion hints at all (I think you have to infer how they | |
240 | work from an example), and the description of XQueryPointer doesn't | |
241 | mention that calling it causes you to get another motion hint from | |
242 | the server, which is very important. */ | |
243 | ||
244 | /* Where the mouse was last time we reported a mouse event. */ | |
245 | static FRAME_PTR last_mouse_frame; | |
246 | static XRectangle last_mouse_glyph; | |
247 | ||
248 | /* The scroll bar in which the last X motion event occurred. | |
249 | ||
250 | If the last X motion event occurred in a scroll bar, we set this | |
251 | so XTmouse_position can know whether to report a scroll bar motion or | |
252 | an ordinary motion. | |
253 | ||
254 | If the last X motion event didn't occur in a scroll bar, we set this | |
255 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
256 | static Lisp_Object last_mouse_scroll_bar; | |
257 | ||
af31d76f | 258 | /* Record which buttons are currently pressed. */ |
69388238 RS |
259 | unsigned int x_mouse_grabbed; |
260 | ||
261 | /* This is a hack. We would really prefer that XTmouse_position would | |
262 | return the time associated with the position it returns, but there | |
263 | doesn't seem to be any way to wrest the timestamp from the server | |
264 | along with the position query. So, we just keep track of the time | |
265 | of the last movement we received, and return that in hopes that | |
266 | it's somewhat accurate. */ | |
267 | static Time last_mouse_movement_time; | |
268 | ||
b8009dd1 RS |
269 | /* These variables describe the range of text currently shown |
270 | in its mouse-face, together with the window they apply to. | |
271 | As long as the mouse stays within this range, we need not | |
272 | redraw anything on its account. */ | |
3b506386 KH |
273 | static int mouse_face_beg_row, mouse_face_beg_col; |
274 | static int mouse_face_end_row, mouse_face_end_col; | |
4d73d038 | 275 | static int mouse_face_past_end; |
b8009dd1 RS |
276 | static Lisp_Object mouse_face_window; |
277 | static int mouse_face_face_id; | |
278 | ||
514e4681 RS |
279 | /* 1 if a mouse motion event came and we didn't handle it right away because |
280 | gc was in progress. */ | |
281 | static int mouse_face_deferred_gc; | |
282 | ||
27f338af RS |
283 | /* FRAME and X, Y position of mouse when last checked for |
284 | highlighting. X and Y can be negative or out of range for the frame. */ | |
b8009dd1 RS |
285 | static FRAME_PTR mouse_face_mouse_frame; |
286 | static int mouse_face_mouse_x, mouse_face_mouse_y; | |
287 | ||
288 | /* Nonzero means defer mouse-motion highlighting. */ | |
289 | static int mouse_face_defer; | |
290 | ||
dc6f92b8 JB |
291 | /* `t' if a mouse button is depressed. */ |
292 | ||
293 | extern Lisp_Object Vmouse_depressed; | |
294 | ||
295 | /* Tells if a window manager is present or not. */ | |
296 | ||
297 | extern Lisp_Object Vx_no_window_manager; | |
298 | ||
299 | /* Timestamp that we requested selection data was made. */ | |
300 | extern Time requestor_time; | |
301 | ||
302 | /* ID of the window requesting selection data. */ | |
303 | extern Window requestor_window; | |
304 | ||
305 | /* Nonzero enables some debugging for the X interface code. */ | |
306 | extern int _Xdebug; | |
307 | ||
c2df547c | 308 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 309 | |
ef2a22d0 | 310 | static int x_noop_count; |
ef2a22d0 RS |
311 | |
312 | ||
dc6f92b8 JB |
313 | /* From time to time we get info on an Emacs window, here. */ |
314 | ||
315 | static WINDOWINFO_TYPE windowinfo; | |
316 | ||
317 | extern int errno; | |
318 | ||
dfeccd2d | 319 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
320 | extern int extra_keyboard_modifiers; |
321 | ||
dc6f92b8 JB |
322 | extern Display *XOpenDisplay (); |
323 | extern Window XCreateWindow (); | |
324 | ||
325 | extern Cursor XCreateCursor (); | |
326 | extern FONT_TYPE *XOpenFont (); | |
327 | ||
328 | static void flashback (); | |
c83febd7 | 329 | static void redraw_previous_char (); |
0cdd0c9f | 330 | static void redraw_following_char (); |
3afe33e7 | 331 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 332 | |
55836b73 | 333 | static int fast_find_position (); |
b8009dd1 RS |
334 | static void note_mouse_highlight (); |
335 | static void clear_mouse_face (); | |
336 | static void show_mouse_face (); | |
337 | ||
dc6f92b8 | 338 | void dumpborder (); |
4746118a JB |
339 | static int XTcursor_to (); |
340 | static int XTclear_end_of_line (); | |
16bd92ea JB |
341 | |
342 | \f | |
f451eb13 JB |
343 | /* Starting and ending updates. |
344 | ||
345 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
346 | of a frame update. We record in `updating_frame' the identity |
347 | of the frame being updated, so that the XT... functions do not | |
348 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 349 | should never be called except during an update, the only exceptions |
c83febd7 | 350 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 JB |
351 | |
352 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
353 | ||
354 | static | |
f676886a JB |
355 | XTupdate_begin (f) |
356 | struct frame *f; | |
dc6f92b8 JB |
357 | { |
358 | int mask; | |
359 | ||
f676886a | 360 | if (f == 0) |
dc6f92b8 JB |
361 | abort (); |
362 | ||
f676886a | 363 | flexlines = f->height; |
dc6f92b8 JB |
364 | highlight = 0; |
365 | ||
dc6f92b8 | 366 | BLOCK_INPUT; |
b8009dd1 RS |
367 | |
368 | if (f == mouse_face_mouse_frame) | |
369 | { | |
514e4681 | 370 | /* Don't do highlighting for mouse motion during the update. */ |
b8009dd1 RS |
371 | mouse_face_defer = 1; |
372 | if (!NILP (mouse_face_window)) | |
514e4681 RS |
373 | { |
374 | int firstline, lastline, i; | |
375 | struct window *w = XWINDOW (mouse_face_window); | |
376 | ||
377 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
378 | for (firstline = 0; firstline < f->height; firstline++) | |
379 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
380 | break; | |
381 | ||
382 | lastline = f->height; | |
383 | for (i = f->height - 1; i >= 0; i--) | |
384 | { | |
385 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
386 | break; | |
387 | else | |
388 | lastline = i; | |
389 | } | |
390 | ||
391 | /* Can we tell that this update does not affect the window | |
392 | where the mouse highlight is? If so, no need to turn off. */ | |
393 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
394 | || lastline < XFASTINT (w->top))) | |
395 | /* Otherwise turn off the mouse highlight now. */ | |
396 | clear_mouse_face (); | |
397 | } | |
b8009dd1 | 398 | } |
6ccf47d1 | 399 | |
dc6f92b8 JB |
400 | UNBLOCK_INPUT; |
401 | } | |
402 | ||
dc6f92b8 | 403 | static |
f676886a JB |
404 | XTupdate_end (f) |
405 | struct frame *f; | |
dc6f92b8 JB |
406 | { |
407 | int mask; | |
408 | ||
dc6f92b8 | 409 | BLOCK_INPUT; |
dc6f92b8 | 410 | |
f676886a | 411 | x_display_cursor (f, 1); |
dc6f92b8 | 412 | |
b8009dd1 RS |
413 | if (f == mouse_face_mouse_frame) |
414 | mouse_face_defer = 0; | |
415 | #if 0 | |
416 | /* This fails in the case of having updated only the echo area | |
417 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
418 | has no relation to the current contents, and its charstarts | |
419 | have no relation to the contents of the window-buffer. | |
420 | I don't know a clean way to check | |
421 | for that case. window_end_valid isn't set up yet. */ | |
422 | if (f == mouse_face_mouse_frame) | |
423 | note_mouse_highlight (f, mouse_face_mouse_x, mouse_face_mouse_y); | |
424 | #endif | |
425 | ||
dc6f92b8 JB |
426 | XFlushQueue (); |
427 | UNBLOCK_INPUT; | |
428 | } | |
b8009dd1 | 429 | |
514e4681 | 430 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
431 | |
432 | static | |
433 | XTframe_up_to_date (f) | |
434 | FRAME_PTR f; | |
435 | { | |
514e4681 RS |
436 | if (mouse_face_deferred_gc || f == mouse_face_mouse_frame) |
437 | { | |
438 | note_mouse_highlight (mouse_face_mouse_frame, | |
439 | mouse_face_mouse_x, mouse_face_mouse_y); | |
440 | mouse_face_deferred_gc = 0; | |
441 | } | |
b8009dd1 | 442 | } |
dc6f92b8 JB |
443 | \f |
444 | /* External interface to control of standout mode. | |
445 | Call this when about to modify line at position VPOS | |
446 | and not change whether it is highlighted. */ | |
447 | ||
448 | XTreassert_line_highlight (new, vpos) | |
449 | int new, vpos; | |
450 | { | |
451 | highlight = new; | |
452 | } | |
453 | ||
454 | /* Call this when about to modify line at position VPOS | |
455 | and change whether it is highlighted. */ | |
456 | ||
457 | static | |
458 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
459 | int new_highlight, vpos, first_unused_hpos; | |
460 | { | |
461 | highlight = new_highlight; | |
462 | XTcursor_to (vpos, 0); | |
f676886a | 463 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
464 | } |
465 | ||
466 | /* This is used when starting Emacs and when restarting after suspend. | |
467 | When starting Emacs, no X window is mapped. And nothing must be done | |
468 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
469 | ||
470 | static | |
471 | XTset_terminal_modes () | |
472 | { | |
473 | } | |
474 | ||
475 | /* This is called when exiting or suspending Emacs. | |
476 | Exiting will make the X-windows go away, and suspending | |
477 | requires no action. */ | |
478 | ||
479 | static | |
480 | XTreset_terminal_modes () | |
481 | { | |
f676886a | 482 | /* XTclear_frame (); */ |
dc6f92b8 JB |
483 | } |
484 | \f | |
f451eb13 JB |
485 | /* Set the nominal cursor position of the frame. |
486 | This is where display update commands will take effect. | |
dc6f92b8 JB |
487 | This does not affect the place where the cursor-box is displayed. */ |
488 | ||
4746118a | 489 | static int |
dc6f92b8 JB |
490 | XTcursor_to (row, col) |
491 | register int row, col; | |
492 | { | |
493 | int mask; | |
494 | int orow = row; | |
495 | ||
496 | curs_x = col; | |
497 | curs_y = row; | |
498 | ||
f676886a | 499 | if (updating_frame == 0) |
dc6f92b8 JB |
500 | { |
501 | BLOCK_INPUT; | |
f676886a | 502 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
503 | XFlushQueue (); |
504 | UNBLOCK_INPUT; | |
505 | } | |
506 | } | |
507 | \f | |
508 | /* Display a sequence of N glyphs found at GP. | |
509 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
510 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
511 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
512 | JUST_FOREGROUND if 1 means draw only the foreground; |
513 | don't alter the background. | |
dc6f92b8 | 514 | |
07e34cb0 | 515 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 516 | |
07e34cb0 JB |
517 | Since the display generation code is responsible for calling |
518 | compute_char_face and compute_glyph_face on everything it puts in | |
519 | the display structure, we can assume that the face code on each | |
28f72798 | 520 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
521 | to which we can actually apply intern_face. |
522 | Call this function with input blocked. */ | |
dc6f92b8 | 523 | |
07e34cb0 JB |
524 | #if 1 |
525 | /* This is the multi-face code. */ | |
dc6f92b8 | 526 | |
dc6f92b8 | 527 | static void |
0cdd0c9f | 528 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 529 | struct frame *f; |
dc6f92b8 JB |
530 | int left, top; |
531 | register GLYPH *gp; /* Points to first GLYPH. */ | |
532 | register int n; /* Number of glyphs to display. */ | |
533 | int hl; | |
0cdd0c9f | 534 | int just_foreground; |
dc6f92b8 | 535 | { |
07e34cb0 JB |
536 | /* Holds characters to be displayed. */ |
537 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
538 | register char *cp; /* Steps through buf[]. */ |
539 | register int tlen = GLYPH_TABLE_LENGTH; | |
540 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 541 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 542 | int orig_left = left; |
dc6f92b8 | 543 | |
07e34cb0 | 544 | while (n > 0) |
dc6f92b8 JB |
545 | { |
546 | /* Get the face-code of the next GLYPH. */ | |
547 | int cf, len; | |
548 | int g = *gp; | |
549 | ||
07e34cb0 | 550 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 551 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
552 | |
553 | /* Find the run of consecutive glyphs with the same face-code. | |
554 | Extract their character codes into BUF. */ | |
555 | cp = buf; | |
556 | while (n > 0) | |
557 | { | |
558 | g = *gp; | |
07e34cb0 | 559 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 560 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
561 | break; |
562 | ||
6f63ba79 | 563 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
564 | --n; |
565 | ++gp; | |
566 | } | |
567 | ||
568 | /* LEN gets the length of the run. */ | |
569 | len = cp - buf; | |
570 | ||
571 | /* Now output this run of chars, with the font and pixel values | |
572 | determined by the face code CF. */ | |
07e34cb0 JB |
573 | { |
574 | struct face *face = FRAME_DEFAULT_FACE (f); | |
575 | FONT_TYPE *font = FACE_FONT (face); | |
576 | GC gc = FACE_GC (face); | |
577 | ||
b8009dd1 RS |
578 | /* HL = 3 means use a mouse face previously chosen. */ |
579 | if (hl == 3) | |
580 | cf = mouse_face_face_id; | |
581 | ||
b73b6aaf RS |
582 | /* First look at the face of the text itself. */ |
583 | if (cf != 0) | |
07e34cb0 | 584 | { |
a07d4bc5 RS |
585 | /* It's possible for the display table to specify |
586 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
587 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
588 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 589 | cf = 0; |
07e34cb0 JB |
590 | |
591 | if (cf == 1) | |
592 | face = FRAME_MODE_LINE_FACE (f); | |
593 | else | |
28f72798 | 594 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
595 | font = FACE_FONT (face); |
596 | gc = FACE_GC (face); | |
597 | } | |
4a4dc352 JB |
598 | |
599 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
600 | else if (hl == 0) |
601 | ; | |
602 | else if (hl == 1) | |
603 | { | |
604 | face = FRAME_MODE_LINE_FACE (f); | |
605 | font = FACE_FONT (face); | |
606 | gc = FACE_GC (face); | |
b73b6aaf RS |
607 | } |
608 | ||
609 | #define FACE_DEFAULT (~0) | |
610 | ||
611 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 612 | if (hl == 2) |
b73b6aaf | 613 | { |
11dd3d61 RS |
614 | if ((!face->font |
615 | || (int) face->font == FACE_DEFAULT | |
616 | || face->font == f->display.x->font) | |
617 | && face->background == f->display.x->background_pixel | |
618 | && face->foreground == f->display.x->foreground_pixel) | |
b5cf7a0e JB |
619 | { |
620 | gc = f->display.x->cursor_gc; | |
621 | } | |
622 | /* Cursor on non-default face: must merge. */ | |
623 | else | |
624 | { | |
625 | XGCValues xgcv; | |
626 | unsigned long mask; | |
627 | ||
628 | xgcv.background = f->display.x->cursor_pixel; | |
11dd3d61 | 629 | xgcv.foreground = face->background; |
df5a440b RS |
630 | /* If the glyph would be invisible, |
631 | try a different foreground. */ | |
632 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 633 | xgcv.foreground = face->foreground; |
df5a440b RS |
634 | if (xgcv.foreground == xgcv.background) |
635 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
636 | if (xgcv.foreground == xgcv.background) | |
637 | xgcv.foreground = face->foreground; | |
638 | /* Make sure the cursor is distinct from text in this face. */ | |
639 | if (xgcv.background == face->background | |
640 | && xgcv.foreground == face->foreground) | |
641 | { | |
642 | xgcv.background = face->foreground; | |
643 | xgcv.foreground = face->background; | |
644 | } | |
b5cf7a0e JB |
645 | xgcv.font = face->font->fid; |
646 | xgcv.graphics_exposures = 0; | |
647 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
11dd3d61 RS |
648 | if (scratch_cursor_gc) |
649 | XChangeGC (x_current_display, scratch_cursor_gc, mask, &xgcv); | |
650 | else | |
651 | scratch_cursor_gc = | |
652 | XCreateGC (x_current_display, window, mask, &xgcv); | |
653 | gc = scratch_cursor_gc; | |
b73b6aaf | 654 | #if 0 |
11dd3d61 RS |
655 | /* If this code is restored, it must also reset to the default stipple |
656 | if necessary. */ | |
b5cf7a0e JB |
657 | if (face->stipple && face->stipple != FACE_DEFAULT) |
658 | XSetStipple (x_current_display, gc, face->stipple); | |
b73b6aaf | 659 | #endif |
b5cf7a0e | 660 | } |
07e34cb0 | 661 | } |
07e34cb0 | 662 | |
b5cf7a0e JB |
663 | if ((int) font == FACE_DEFAULT) |
664 | font = f->display.x->font; | |
665 | ||
0cdd0c9f RS |
666 | if (just_foreground) |
667 | XDrawString (x_current_display, window, gc, | |
668 | left, top + FONT_BASE (font), buf, len); | |
669 | else | |
670 | { | |
671 | XDrawImageString (x_current_display, window, gc, | |
672 | left, top + FONT_BASE (font), buf, len); | |
673 | /* Clear the rest of the line's height. */ | |
674 | if (f->display.x->line_height != FONT_HEIGHT (font)) | |
675 | XClearArea (x_current_display, window, left, | |
676 | top + FONT_HEIGHT (font), | |
677 | FONT_WIDTH (font) * len, | |
678 | /* This is how many pixels of height | |
679 | we have to clear. */ | |
680 | f->display.x->line_height - FONT_HEIGHT (font), | |
681 | False); | |
682 | } | |
683 | ||
684 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
685 | which often is not up to date yet. */ | |
686 | if (!just_foreground) | |
687 | { | |
688 | if (left == orig_left) | |
689 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
690 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
691 | if (n == 0) | |
692 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
693 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
694 | } | |
695 | #endif | |
07e34cb0 JB |
696 | |
697 | /* We should probably check for XA_UNDERLINE_POSITION and | |
698 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
699 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 700 | { |
4a4dc352 | 701 | int underline_position = 1; |
07e34cb0 | 702 | |
4a4dc352 JB |
703 | if (font->descent <= underline_position) |
704 | underline_position = font->descent - 1; | |
07e34cb0 JB |
705 | |
706 | if (face->underline) | |
707 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
708 | FACE_GC (face), | |
709 | left, (top | |
710 | + FONT_BASE (font) | |
711 | + underline_position), | |
712 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 713 | } |
07e34cb0 JB |
714 | |
715 | left += len * FONT_WIDTH (font); | |
716 | } | |
dc6f92b8 JB |
717 | } |
718 | } | |
07e34cb0 JB |
719 | #endif /* 1 */ |
720 | ||
721 | #if 0 | |
722 | /* This is the old single-face code. */ | |
723 | ||
724 | static void | |
725 | dumpglyphs (f, left, top, gp, n, hl, font) | |
726 | struct frame *f; | |
727 | int left, top; | |
728 | register GLYPH *gp; /* Points to first GLYPH. */ | |
729 | register int n; /* Number of glyphs to display. */ | |
730 | int hl; | |
731 | FONT_TYPE *font; | |
732 | { | |
733 | register int len; | |
734 | Window window = FRAME_X_WINDOW (f); | |
735 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
736 | : (hl ? f->display.x->reverse_gc | |
737 | : f->display.x->normal_gc)); | |
738 | ||
739 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
740 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
741 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
742 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
743 | XDrawImageString (x_current_display, window, drawing_gc, | |
744 | left, top + FONT_BASE (font), (char *) gp, n); | |
745 | else | |
746 | /* What size of glyph ARE you using? And does X have a function to | |
747 | draw them? */ | |
748 | abort (); | |
749 | } | |
750 | #endif | |
dc6f92b8 | 751 | \f |
f451eb13 JB |
752 | /* Output some text at the nominal frame cursor position. |
753 | Advance the cursor over the text. | |
dc6f92b8 JB |
754 | Output LEN glyphs at START. |
755 | ||
756 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
757 | controls the pixel values used for foreground and background. */ | |
758 | ||
759 | static | |
760 | XTwrite_glyphs (start, len) | |
761 | register GLYPH *start; | |
762 | int len; | |
763 | { | |
764 | register int temp_length; | |
765 | int mask; | |
f676886a | 766 | struct frame *f; |
dc6f92b8 JB |
767 | |
768 | BLOCK_INPUT; | |
769 | ||
f676886a JB |
770 | f = updating_frame; |
771 | if (f == 0) | |
dc6f92b8 | 772 | { |
f676886a | 773 | f = selected_frame; |
dc6f92b8 | 774 | /* If not within an update, |
f676886a JB |
775 | output at the frame's visible cursor. */ |
776 | curs_x = f->cursor_x; | |
777 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
778 | } |
779 | ||
f676886a | 780 | dumpglyphs (f, |
12ba150f JB |
781 | CHAR_TO_PIXEL_COL (f, curs_x), |
782 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 783 | start, len, highlight, 0); |
90e65f07 JB |
784 | |
785 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
786 | if (curs_y == f->phys_cursor_y |
787 | && curs_x <= f->phys_cursor_x | |
788 | && curs_x + len > f->phys_cursor_x) | |
789 | f->phys_cursor_x = -1; | |
dc6f92b8 | 790 | |
f676886a | 791 | if (updating_frame == 0) |
dc6f92b8 | 792 | { |
f676886a JB |
793 | f->cursor_x += len; |
794 | x_display_cursor (f, 1); | |
795 | f->cursor_x -= len; | |
dc6f92b8 JB |
796 | } |
797 | else | |
798 | curs_x += len; | |
799 | ||
800 | UNBLOCK_INPUT; | |
801 | } | |
802 | \f | |
f451eb13 JB |
803 | /* Clear to the end of the line. |
804 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
805 | to column FIRST_UNUSED (exclusive). The idea is that everything |
806 | from FIRST_UNUSED onward is already erased. */ | |
807 | ||
4746118a | 808 | static int |
dc6f92b8 JB |
809 | XTclear_end_of_line (first_unused) |
810 | register int first_unused; | |
811 | { | |
f676886a | 812 | struct frame *f = updating_frame; |
dc6f92b8 JB |
813 | int mask; |
814 | ||
f676886a | 815 | if (f == 0) |
dc6f92b8 JB |
816 | abort (); |
817 | ||
f676886a | 818 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
819 | return; |
820 | if (first_unused <= 0) | |
821 | return; | |
822 | ||
f676886a JB |
823 | if (first_unused >= f->width) |
824 | first_unused = f->width; | |
dc6f92b8 JB |
825 | |
826 | BLOCK_INPUT; | |
827 | ||
90e65f07 | 828 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
829 | if (curs_y == f->phys_cursor_y |
830 | && curs_x <= f->phys_cursor_x | |
831 | && f->phys_cursor_x < first_unused) | |
832 | f->phys_cursor_x = -1; | |
dc6f92b8 | 833 | |
c118dd06 | 834 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
835 | CHAR_TO_PIXEL_COL (f, curs_x), |
836 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 837 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 838 | f->display.x->line_height, False); |
c83febd7 | 839 | #if 0 |
0cdd0c9f | 840 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 841 | #endif |
dc6f92b8 JB |
842 | |
843 | UNBLOCK_INPUT; | |
844 | } | |
845 | ||
0cdd0c9f RS |
846 | static |
847 | XTclear_frame () | |
848 | { | |
849 | int mask; | |
850 | struct frame *f = updating_frame; | |
851 | ||
852 | if (f == 0) | |
853 | f = selected_frame; | |
854 | ||
855 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
856 | curs_x = 0; /* Nominal cursor position is top left. */ | |
857 | curs_y = 0; | |
858 | ||
859 | BLOCK_INPUT; | |
860 | ||
861 | XClear (FRAME_X_WINDOW (f)); | |
862 | ||
863 | /* We have to clear the scroll bars, too. If we have changed | |
864 | colors or something like that, then they should be notified. */ | |
865 | x_scroll_bar_clear (f); | |
866 | ||
0cdd0c9f RS |
867 | XFlushQueue (); |
868 | UNBLOCK_INPUT; | |
869 | } | |
870 | \f | |
871 | #if 0 | |
872 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
873 | always contain the right glyphs to use. | |
874 | ||
875 | It also needs to be changed to look at the details of the font and | |
876 | see whether there is really overlap, and do nothing when there is | |
877 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
878 | but just how to use them is not clear. */ | |
879 | ||
c83febd7 RS |
880 | /* Erase the character (if any) at the position just before X, Y in frame F, |
881 | then redraw it and the character before it. | |
882 | This is necessary when we erase starting at X, | |
f94397b5 KH |
883 | in case the character after X overlaps into the one before X. |
884 | Call this function with input blocked. */ | |
c83febd7 RS |
885 | |
886 | static void | |
0cdd0c9f | 887 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
888 | FRAME_PTR f; |
889 | int x, y; | |
0cdd0c9f | 890 | int highlight_flag; |
c83febd7 RS |
891 | { |
892 | /* Erase the character before the new ones, in case | |
893 | what was here before overlaps it. | |
894 | Reoutput that character, and the previous character | |
895 | (in case the previous character overlaps it). */ | |
896 | if (x > 0) | |
897 | { | |
898 | int start_x = x - 2; | |
899 | if (start_x < 0) | |
900 | start_x = 0; | |
901 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
902 | CHAR_TO_PIXEL_COL (f, x - 1), | |
903 | CHAR_TO_PIXEL_ROW (f, y), | |
904 | FONT_WIDTH (f->display.x->font), | |
a27f9f86 | 905 | f->display.x->line_height, False); |
c83febd7 RS |
906 | |
907 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
908 | CHAR_TO_PIXEL_ROW (f, y), | |
909 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 910 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
911 | } |
912 | } | |
913 | ||
0cdd0c9f RS |
914 | /* Erase the character (if any) at the position X, Y in frame F, |
915 | then redraw it and the character after it. | |
916 | This is necessary when we erase endng at X, | |
917 | in case the character after X overlaps into the one before X. | |
918 | Call this function with input blocked. */ | |
919 | ||
920 | static void | |
921 | redraw_following_char (f, x, y, highlight_flag) | |
922 | FRAME_PTR f; | |
923 | int x, y; | |
924 | int highlight_flag; | |
dc6f92b8 | 925 | { |
0cdd0c9f RS |
926 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
927 | /* Erase the character after the new ones, in case | |
928 | what was here before overlaps it. | |
929 | Reoutput that character, and the following character | |
930 | (in case the following character overlaps it). */ | |
931 | if (x < limit | |
932 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
933 | { | |
934 | int end_x = x + 2; | |
935 | if (end_x > limit) | |
936 | end_x = limit; | |
937 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
938 | CHAR_TO_PIXEL_COL (f, x), | |
939 | CHAR_TO_PIXEL_ROW (f, y), | |
940 | FONT_WIDTH (f->display.x->font), | |
941 | f->display.x->line_height, False); | |
dc6f92b8 | 942 | |
0cdd0c9f RS |
943 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
944 | CHAR_TO_PIXEL_ROW (f, y), | |
945 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
946 | end_x - x, highlight_flag, 1); | |
947 | } | |
948 | } | |
949 | #endif /* 0 */ | |
950 | \f | |
951 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 952 | |
0cdd0c9f | 953 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 954 | |
0cdd0c9f RS |
955 | static int |
956 | font_char_overlap_left (font, c) | |
957 | XFontStruct *font; | |
958 | int c; | |
959 | { | |
960 | XCharStruct *s; | |
dbc4e1c1 | 961 | |
0cdd0c9f RS |
962 | /* Find the bounding-box info for C. */ |
963 | if (font->per_char == 0) | |
964 | s = &font->max_bounds; | |
965 | else | |
966 | { | |
967 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
968 | int row, within; | |
969 | ||
970 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
971 | row = c >> 8; | |
972 | within = c & 0177; | |
973 | if (!(within >= font->min_char_or_byte2 | |
974 | && within <= font->max_char_or_byte2 | |
975 | && row >= font->min_byte1 | |
976 | && row <= font->max_byte1)) | |
977 | { | |
978 | /* If char is out of range, try the font's default char instead. */ | |
979 | c = font->default_char; | |
980 | row = c >> (INTBITS - 8); | |
981 | within = c & 0177; | |
982 | } | |
983 | if (!(within >= font->min_char_or_byte2 | |
984 | && within <= font->max_char_or_byte2 | |
985 | && row >= font->min_byte1 | |
986 | && row <= font->max_byte1)) | |
987 | /* Still out of range means this char does not overlap. */ | |
988 | return 0; | |
989 | else | |
990 | /* We found the info for this char. */ | |
991 | s = (font->per_char + (within - font->min_char_or_byte2) | |
992 | + row * rowlen); | |
993 | } | |
dbc4e1c1 | 994 | |
0cdd0c9f RS |
995 | return (s && s->lbearing < 0); |
996 | } | |
dbc4e1c1 | 997 | |
0cdd0c9f RS |
998 | /* Return 1 if character C in font F extends past its right edge. */ |
999 | ||
1000 | static int | |
1001 | font_char_overlap_right (font, c) | |
1002 | XFontStruct *font; | |
1003 | int c; | |
1004 | { | |
1005 | XCharStruct *s; | |
1006 | ||
1007 | /* Find the bounding-box info for C. */ | |
1008 | if (font->per_char == 0) | |
1009 | s = &font->max_bounds; | |
1010 | else | |
1011 | { | |
1012 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1013 | int row, within; | |
1014 | ||
1015 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1016 | row = c >> 8; | |
1017 | within = c & 0177; | |
1018 | if (!(within >= font->min_char_or_byte2 | |
1019 | && within <= font->max_char_or_byte2 | |
1020 | && row >= font->min_byte1 | |
1021 | && row <= font->max_byte1)) | |
1022 | { | |
1023 | /* If char is out of range, try the font's default char instead. */ | |
1024 | c = font->default_char; | |
1025 | row = c >> (INTBITS - 8); | |
1026 | within = c & 0177; | |
1027 | } | |
1028 | if (!(within >= font->min_char_or_byte2 | |
1029 | && within <= font->max_char_or_byte2 | |
1030 | && row >= font->min_byte1 | |
1031 | && row <= font->max_byte1)) | |
1032 | /* Still out of range means this char does not overlap. */ | |
1033 | return 0; | |
1034 | else | |
1035 | /* We found the info for this char. */ | |
1036 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1037 | + row * rowlen); | |
1038 | } | |
1039 | ||
1040 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1041 | } |
0cdd0c9f | 1042 | #endif /* 0 */ |
dc6f92b8 | 1043 | \f |
dbc4e1c1 JB |
1044 | /* Invert the middle quarter of the frame for .15 sec. */ |
1045 | ||
1046 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1047 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1048 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1049 | ||
1050 | /* Subtract the `struct timeval' values X and Y, | |
1051 | storing the result in RESULT. | |
1052 | Return 1 if the difference is negative, otherwise 0. */ | |
1053 | ||
1054 | static int | |
1055 | timeval_subtract (result, x, y) | |
1056 | struct timeval *result, x, y; | |
1057 | { | |
1058 | /* Perform the carry for the later subtraction by updating y. | |
1059 | This is safer because on some systems | |
1060 | the tv_sec member is unsigned. */ | |
1061 | if (x.tv_usec < y.tv_usec) | |
1062 | { | |
1063 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1064 | y.tv_usec -= 1000000 * nsec; | |
1065 | y.tv_sec += nsec; | |
1066 | } | |
1067 | if (x.tv_usec - y.tv_usec > 1000000) | |
1068 | { | |
1069 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1070 | y.tv_usec += 1000000 * nsec; | |
1071 | y.tv_sec -= nsec; | |
1072 | } | |
1073 | ||
1074 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1075 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1076 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1077 | ||
1078 | /* Return indication of whether the result should be considered negative. */ | |
1079 | return x.tv_sec < y.tv_sec; | |
1080 | } | |
dc6f92b8 | 1081 | |
f676886a JB |
1082 | XTflash (f) |
1083 | struct frame *f; | |
dc6f92b8 | 1084 | { |
dbc4e1c1 | 1085 | BLOCK_INPUT; |
dc6f92b8 | 1086 | |
dbc4e1c1 JB |
1087 | { |
1088 | GC gc; | |
dc6f92b8 | 1089 | |
dbc4e1c1 JB |
1090 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1091 | into background pixels. */ | |
1092 | { | |
1093 | XGCValues values; | |
dc6f92b8 | 1094 | |
dbc4e1c1 JB |
1095 | values.function = GXxor; |
1096 | values.foreground = (f->display.x->foreground_pixel | |
1097 | ^ f->display.x->background_pixel); | |
1098 | ||
1099 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
1100 | GCFunction | GCForeground, &values); | |
1101 | } | |
dc6f92b8 | 1102 | |
dbc4e1c1 JB |
1103 | { |
1104 | int width = PIXEL_WIDTH (f); | |
1105 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1106 | |
dbc4e1c1 JB |
1107 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
1108 | width/4, height/4, width/2, height/2); | |
1109 | XFlush (x_current_display); | |
dc6f92b8 | 1110 | |
dbc4e1c1 JB |
1111 | { |
1112 | struct timeval wakeup, now; | |
dc6f92b8 | 1113 | |
66c30ea1 | 1114 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1115 | |
dbc4e1c1 JB |
1116 | /* Compute time to wait until, propagating carry from usecs. */ |
1117 | wakeup.tv_usec += 150000; | |
1118 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1119 | wakeup.tv_usec %= 1000000; | |
1120 | ||
1121 | /* Keep waiting until past the time wakeup. */ | |
1122 | while (1) | |
1123 | { | |
1124 | struct timeval timeout; | |
1125 | ||
66c30ea1 | 1126 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1127 | |
1128 | /* In effect, timeout = wakeup - timeout. | |
1129 | Break if result would be negative. */ | |
1130 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1131 | break; | |
1132 | ||
1133 | /* Try to wait that long--but we might wake up sooner. */ | |
1134 | select (0, 0, 0, 0, &timeout); | |
1135 | } | |
1136 | } | |
1137 | ||
1138 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
1139 | width/4, height/4, width/2, height/2); | |
1140 | XFreeGC (x_current_display, gc); | |
1141 | XFlush (x_current_display); | |
dc6f92b8 | 1142 | } |
dbc4e1c1 JB |
1143 | } |
1144 | ||
1145 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1146 | } |
1147 | ||
dbc4e1c1 JB |
1148 | #endif |
1149 | ||
1150 | ||
dc6f92b8 JB |
1151 | /* Make audible bell. */ |
1152 | ||
bc20ebbf | 1153 | #define XRINGBELL XBell (x_current_display, 0) |
dc6f92b8 JB |
1154 | |
1155 | XTring_bell () | |
1156 | { | |
5a6ef893 RS |
1157 | if (x_current_display == 0) |
1158 | return; | |
1159 | ||
dbc4e1c1 | 1160 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1161 | if (visible_bell) |
f676886a | 1162 | XTflash (selected_frame); |
dc6f92b8 | 1163 | else |
dbc4e1c1 | 1164 | #endif |
dc6f92b8 JB |
1165 | { |
1166 | BLOCK_INPUT; | |
1167 | XRINGBELL; | |
1168 | XFlushQueue (); | |
1169 | UNBLOCK_INPUT; | |
1170 | } | |
1171 | } | |
1172 | \f | |
f451eb13 JB |
1173 | /* Insert and delete character. |
1174 | These are not supposed to be used because we are supposed to turn | |
1175 | off the feature of using them. */ | |
dc6f92b8 JB |
1176 | |
1177 | static | |
1178 | XTinsert_glyphs (start, len) | |
1179 | register char *start; | |
1180 | register int len; | |
1181 | { | |
1182 | abort (); | |
1183 | } | |
1184 | ||
1185 | static | |
1186 | XTdelete_glyphs (n) | |
1187 | register int n; | |
1188 | { | |
1189 | abort (); | |
1190 | } | |
1191 | \f | |
1192 | /* Specify how many text lines, from the top of the window, | |
1193 | should be affected by insert-lines and delete-lines operations. | |
1194 | This, and those operations, are used only within an update | |
1195 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1196 | ||
1197 | static | |
1198 | XTset_terminal_window (n) | |
1199 | register int n; | |
1200 | { | |
f676886a | 1201 | if (updating_frame == 0) |
dc6f92b8 JB |
1202 | abort (); |
1203 | ||
f676886a JB |
1204 | if ((n <= 0) || (n > updating_frame->height)) |
1205 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1206 | else |
1207 | flexlines = n; | |
1208 | } | |
1209 | \f | |
f451eb13 JB |
1210 | /* Perform an insert-lines operation. |
1211 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
1212 | |
1213 | static void | |
1214 | stufflines (n) | |
1215 | register int n; | |
1216 | { | |
1217 | register int topregion, bottomregion; | |
1218 | register int length, newtop, mask; | |
f676886a JB |
1219 | register struct frame *f = updating_frame; |
1220 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1221 | |
1222 | if (curs_y >= flexlines) | |
1223 | return; | |
1224 | ||
1225 | topregion = curs_y; | |
1226 | bottomregion = flexlines - (n + 1); | |
1227 | newtop = topregion + n; | |
1228 | length = (bottomregion - topregion) + 1; | |
1229 | ||
dc6f92b8 | 1230 | if ((length > 0) && (newtop <= flexlines)) |
6ccf47d1 RS |
1231 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1232 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
1233 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), | |
1234 | f->width * FONT_WIDTH (f->display.x->font), | |
1235 | length * f->display.x->line_height, intborder, | |
1236 | CHAR_TO_PIXEL_ROW (f, newtop)); | |
dc6f92b8 JB |
1237 | |
1238 | newtop = min (newtop, (flexlines - 1)); | |
1239 | length = newtop - topregion; | |
1240 | if (length > 0) | |
6ccf47d1 RS |
1241 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
1242 | CHAR_TO_PIXEL_ROW (f, topregion), | |
1243 | f->width * FONT_WIDTH (f->display.x->font), | |
1244 | n * f->display.x->line_height, False); | |
dc6f92b8 JB |
1245 | } |
1246 | ||
1247 | /* Perform a delete-lines operation, deleting N lines | |
1248 | at a vertical position curs_y. */ | |
1249 | ||
1250 | static void | |
1251 | scraplines (n) | |
1252 | register int n; | |
1253 | { | |
1254 | int mask; | |
f676886a JB |
1255 | register struct frame *f = updating_frame; |
1256 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1257 | |
1258 | if (curs_y >= flexlines) | |
1259 | return; | |
1260 | ||
dc6f92b8 JB |
1261 | if ((curs_y + n) >= flexlines) |
1262 | { | |
1263 | if (flexlines >= (curs_y + 1)) | |
6ccf47d1 RS |
1264 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
1265 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
1266 | f->width * FONT_WIDTH (f->display.x->font), | |
1267 | (flexlines - curs_y) * f->display.x->line_height, False); | |
dc6f92b8 JB |
1268 | } |
1269 | else | |
1270 | { | |
c118dd06 JB |
1271 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1272 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 1273 | intborder, |
12ba150f | 1274 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a | 1275 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1276 | (flexlines - (curs_y + n)) * f->display.x->line_height, |
12ba150f | 1277 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 1278 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 1279 | intborder, |
12ba150f | 1280 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1281 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1282 | n * f->display.x->line_height, False); |
dc6f92b8 JB |
1283 | } |
1284 | } | |
1285 | ||
1286 | /* Perform an insert-lines or delete-lines operation, | |
1287 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1288 | ||
1289 | XTins_del_lines (vpos, n) | |
1290 | int vpos, n; | |
1291 | { | |
f676886a | 1292 | if (updating_frame == 0) |
dc6f92b8 JB |
1293 | abort (); |
1294 | ||
90e65f07 | 1295 | /* Hide the cursor. */ |
f676886a | 1296 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1297 | |
1298 | XTcursor_to (vpos, 0); | |
1299 | ||
1300 | BLOCK_INPUT; | |
1301 | if (n >= 0) | |
1302 | stufflines (n); | |
1303 | else | |
1304 | scraplines (-n); | |
1305 | XFlushQueue (); | |
1306 | UNBLOCK_INPUT; | |
1307 | } | |
1308 | \f | |
f451eb13 | 1309 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1310 | static void clear_cursor (); |
1311 | ||
f676886a JB |
1312 | /* Output into a rectangle of an X-window (for frame F) |
1313 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1314 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1315 | ROWS and COLS are the size of the rectangle. |
1316 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1317 | |
1318 | static void | |
f676886a JB |
1319 | dumprectangle (f, left, top, cols, rows) |
1320 | struct frame *f; | |
dc6f92b8 JB |
1321 | register int left, top, cols, rows; |
1322 | { | |
f676886a | 1323 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1324 | int cursor_cleared = 0; |
1325 | int bottom, right; | |
1326 | register int y; | |
1327 | ||
f676886a | 1328 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1329 | return; |
1330 | ||
dc6f92b8 JB |
1331 | /* Express rectangle as four edges, instead of position-and-size. */ |
1332 | bottom = top + rows; | |
1333 | right = left + cols; | |
dc6f92b8 JB |
1334 | |
1335 | /* Convert rectangle edges in pixels to edges in chars. | |
1336 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1337 | top = PIXEL_TO_CHAR_ROW (f, top); |
1338 | left = PIXEL_TO_CHAR_COL (f, left); | |
a27f9f86 | 1339 | bottom += (f->display.x->line_height - 1); |
f676886a | 1340 | right += (FONT_WIDTH (f->display.x->font) - 1); |
12ba150f JB |
1341 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1342 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1343 | |
1344 | /* Clip the rectangle to what can be visible. */ | |
1345 | if (left < 0) | |
1346 | left = 0; | |
1347 | if (top < 0) | |
1348 | top = 0; | |
f676886a JB |
1349 | if (right > f->width) |
1350 | right = f->width; | |
1351 | if (bottom > f->height) | |
1352 | bottom = f->height; | |
dc6f92b8 JB |
1353 | |
1354 | /* Get size in chars of the rectangle. */ | |
1355 | cols = right - left; | |
1356 | rows = bottom - top; | |
1357 | ||
1358 | /* If rectangle has zero area, return. */ | |
1359 | if (rows <= 0) return; | |
1360 | if (cols <= 0) return; | |
1361 | ||
1362 | /* Turn off the cursor if it is in the rectangle. | |
1363 | We will turn it back on afterward. */ | |
f676886a JB |
1364 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1365 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1366 | { |
f676886a | 1367 | clear_cursor (f); |
dc6f92b8 JB |
1368 | cursor_cleared = 1; |
1369 | } | |
1370 | ||
1371 | /* Display the text in the rectangle, one text line at a time. */ | |
1372 | ||
1373 | for (y = top; y < bottom; y++) | |
1374 | { | |
f676886a | 1375 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1376 | |
f676886a | 1377 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1378 | continue; |
1379 | ||
f676886a | 1380 | dumpglyphs (f, |
12ba150f JB |
1381 | CHAR_TO_PIXEL_COL (f, left), |
1382 | CHAR_TO_PIXEL_ROW (f, y), | |
1383 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1384 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1385 | } |
1386 | ||
1387 | /* Turn the cursor on if we turned it off. */ | |
1388 | ||
1389 | if (cursor_cleared) | |
f676886a | 1390 | x_display_cursor (f, 1); |
dc6f92b8 | 1391 | } |
dc6f92b8 | 1392 | \f |
dc6f92b8 | 1393 | static void |
f676886a JB |
1394 | frame_highlight (frame) |
1395 | struct frame *frame; | |
dc6f92b8 | 1396 | { |
b3e1e05c JB |
1397 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1398 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1399 | and border pixel are window attributes which are "private to the | |
1400 | client", so we can always change it to whatever we want. */ | |
1401 | BLOCK_INPUT; | |
1402 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), | |
1403 | frame->display.x->border_pixel); | |
1404 | UNBLOCK_INPUT; | |
f676886a | 1405 | x_display_cursor (frame, 1); |
dc6f92b8 JB |
1406 | } |
1407 | ||
1408 | static void | |
f676886a JB |
1409 | frame_unhighlight (frame) |
1410 | struct frame *frame; | |
dc6f92b8 | 1411 | { |
b3e1e05c JB |
1412 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1413 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1414 | and border pixel are window attributes which are "private to the | |
1415 | client", so we can always change it to whatever we want. */ | |
1416 | BLOCK_INPUT; | |
1417 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), | |
1418 | frame->display.x->border_tile); | |
1419 | UNBLOCK_INPUT; | |
f676886a | 1420 | x_display_cursor (frame, 1); |
dc6f92b8 | 1421 | } |
dc6f92b8 | 1422 | |
f676886a | 1423 | static void XTframe_rehighlight (); |
6d4238f3 | 1424 | |
f676886a JB |
1425 | /* The focus has changed. Update the frames as necessary to reflect |
1426 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1427 | here, because the lisp code we are interrupting might become confused. |
eb8c3be9 | 1428 | Each event gets marked with the frame in which it occurred, so the |
6d4238f3 | 1429 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1430 | |
6d4238f3 | 1431 | static void |
f676886a JB |
1432 | x_new_focus_frame (frame) |
1433 | struct frame *frame; | |
dc6f92b8 | 1434 | { |
f676886a | 1435 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1436 | int events_enqueued = 0; |
1437 | ||
f676886a | 1438 | if (frame != x_focus_frame) |
dc6f92b8 | 1439 | { |
6d4238f3 | 1440 | /* Set this before calling other routines, so that they see |
f676886a JB |
1441 | the correct value of x_focus_frame. */ |
1442 | x_focus_frame = frame; | |
6d4238f3 JB |
1443 | |
1444 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1445 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1446 | |
1447 | #if 0 | |
f676886a JB |
1448 | selected_frame = frame; |
1449 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1450 | Lisp_Frame, selected_frame); | |
1451 | Fselect_window (selected_frame->selected_window); | |
1452 | choose_minibuf_frame (); | |
c118dd06 | 1453 | #endif /* ! 0 */ |
dc6f92b8 | 1454 | |
f676886a | 1455 | if (x_focus_frame && x_focus_frame->auto_raise) |
0134a210 RS |
1456 | pending_autoraise_frame = x_focus_frame; |
1457 | else | |
1458 | pending_autoraise_frame = 0; | |
6d4238f3 | 1459 | } |
dc6f92b8 | 1460 | |
f676886a | 1461 | XTframe_rehighlight (); |
6d4238f3 JB |
1462 | } |
1463 | ||
1464 | ||
f451eb13 JB |
1465 | /* The focus has changed, or we have redirected a frame's focus to |
1466 | another frame (this happens when a frame uses a surrogate | |
1467 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1468 | static void |
f676886a | 1469 | XTframe_rehighlight () |
6d4238f3 | 1470 | { |
f676886a | 1471 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1472 | |
f676886a | 1473 | if (x_focus_frame) |
6d4238f3 | 1474 | { |
f451eb13 | 1475 | x_highlight_frame = |
ab648270 | 1476 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1477 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1478 | : x_focus_frame); | |
1479 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1480 | { | |
1481 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1482 | x_highlight_frame = x_focus_frame; | |
1483 | } | |
dc6f92b8 | 1484 | } |
6d4238f3 | 1485 | else |
f676886a | 1486 | x_highlight_frame = 0; |
dc6f92b8 | 1487 | |
f676886a | 1488 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1489 | { |
1490 | if (old_highlight) | |
f676886a JB |
1491 | frame_unhighlight (old_highlight); |
1492 | if (x_highlight_frame) | |
1493 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1494 | } |
dc6f92b8 JB |
1495 | } |
1496 | \f | |
e4571a43 | 1497 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1498 | |
28430d3c JB |
1499 | /* Which modifier keys are on which modifier bits? |
1500 | ||
1501 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1502 | keys were held down when the key was pressed. The interpretation |
1503 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1504 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1505 | is the meta bit. | |
1506 | ||
1507 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1508 | It may have more than one bit set, if more than one modifier bit | |
1509 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1510 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1511 | ||
1512 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1513 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1514 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1515 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1516 | arrangement, the lock modifier should shift the character if | |
1517 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1518 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1519 | |
a3c44b14 RS |
1520 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1521 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1522 | ||
28430d3c JB |
1523 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1524 | static void | |
1525 | x_find_modifier_meanings () | |
1526 | { | |
f689eb05 | 1527 | int min_code, max_code; |
28430d3c JB |
1528 | KeySym *syms; |
1529 | int syms_per_code; | |
1530 | XModifierKeymap *mods; | |
1531 | ||
1532 | x_meta_mod_mask = 0; | |
11edeb03 | 1533 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1534 | x_alt_mod_mask = 0; |
1535 | x_super_mod_mask = 0; | |
1536 | x_hyper_mod_mask = 0; | |
28430d3c | 1537 | |
9658a521 | 1538 | #ifdef HAVE_X11R4 |
28430d3c | 1539 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1540 | #else |
1541 | min_code = x_current_display->min_keycode; | |
1542 | max_code = x_current_display->max_keycode; | |
1543 | #endif | |
1544 | ||
28430d3c JB |
1545 | syms = XGetKeyboardMapping (x_current_display, |
1546 | min_code, max_code - min_code + 1, | |
1547 | &syms_per_code); | |
1548 | mods = XGetModifierMapping (x_current_display); | |
1549 | ||
11edeb03 JB |
1550 | /* Scan the modifier table to see which modifier bits the Meta and |
1551 | Alt keysyms are on. */ | |
28430d3c JB |
1552 | { |
1553 | int row, col; /* The row and column in the modifier table. */ | |
1554 | ||
1555 | for (row = 3; row < 8; row++) | |
1556 | for (col = 0; col < mods->max_keypermod; col++) | |
1557 | { | |
1558 | KeyCode code = | |
1559 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1560 | ||
af92970c KH |
1561 | /* Zeroes are used for filler. Skip them. */ |
1562 | if (code == 0) | |
1563 | continue; | |
1564 | ||
28430d3c JB |
1565 | /* Are any of this keycode's keysyms a meta key? */ |
1566 | { | |
1567 | int code_col; | |
1568 | ||
1569 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1570 | { | |
f689eb05 | 1571 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1572 | |
f689eb05 | 1573 | switch (sym) |
28430d3c | 1574 | { |
f689eb05 JB |
1575 | case XK_Meta_L: |
1576 | case XK_Meta_R: | |
28430d3c JB |
1577 | x_meta_mod_mask |= (1 << row); |
1578 | break; | |
f689eb05 JB |
1579 | |
1580 | case XK_Alt_L: | |
1581 | case XK_Alt_R: | |
a3c44b14 RS |
1582 | x_alt_mod_mask |= (1 << row); |
1583 | break; | |
1584 | ||
1585 | case XK_Hyper_L: | |
1586 | case XK_Hyper_R: | |
1587 | x_hyper_mod_mask |= (1 << row); | |
1588 | break; | |
1589 | ||
1590 | case XK_Super_L: | |
1591 | case XK_Super_R: | |
1592 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1593 | break; |
11edeb03 JB |
1594 | |
1595 | case XK_Shift_Lock: | |
1596 | /* Ignore this if it's not on the lock modifier. */ | |
1597 | if ((1 << row) == LockMask) | |
1598 | x_shift_lock_mask = LockMask; | |
1599 | break; | |
28430d3c JB |
1600 | } |
1601 | } | |
1602 | } | |
1603 | } | |
1604 | } | |
1605 | ||
f689eb05 JB |
1606 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1607 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1608 | { |
1609 | x_meta_mod_mask = x_alt_mod_mask; | |
1610 | x_alt_mod_mask = 0; | |
1611 | } | |
f689eb05 | 1612 | |
148c4b70 RS |
1613 | /* If some keys are both alt and meta, |
1614 | make them just meta, not alt. */ | |
1615 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1616 | { | |
1617 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1618 | } | |
1619 | ||
28430d3c | 1620 | XFree ((char *) syms); |
f689eb05 | 1621 | XFreeModifiermap (mods); |
28430d3c JB |
1622 | } |
1623 | ||
dfeccd2d JB |
1624 | /* Convert between the modifier bits X uses and the modifier bits |
1625 | Emacs uses. */ | |
7c5283e4 | 1626 | static unsigned int |
dfeccd2d | 1627 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1628 | unsigned int state; |
1629 | { | |
11edeb03 JB |
1630 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1631 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1632 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1633 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1634 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1635 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1636 | } |
1637 | ||
dfeccd2d JB |
1638 | static unsigned int |
1639 | x_emacs_to_x_modifiers (state) | |
1640 | unsigned int state; | |
1641 | { | |
1642 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1643 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1644 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1645 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1646 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1647 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1648 | } | |
e4571a43 JB |
1649 | \f |
1650 | /* Mouse clicks and mouse movement. Rah. */ | |
e4571a43 JB |
1651 | |
1652 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1653 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1654 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1655 | If NOCLIP is nonzero, do not force the value into range. */ | |
1656 | ||
c8dba240 | 1657 | void |
69388238 | 1658 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1659 | FRAME_PTR f; |
69388238 | 1660 | register int pix_x, pix_y; |
e4571a43 JB |
1661 | register int *x, *y; |
1662 | XRectangle *bounds; | |
69388238 | 1663 | int noclip; |
e4571a43 | 1664 | { |
69388238 RS |
1665 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1666 | even for negative values. */ | |
1667 | if (pix_x < 0) | |
1668 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1669 | if (pix_y < 0) | |
a27f9f86 | 1670 | pix_y -= (f)->display.x->line_height - 1; |
69388238 | 1671 | |
e4571a43 JB |
1672 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1673 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1674 | ||
1675 | if (bounds) | |
1676 | { | |
1677 | bounds->width = FONT_WIDTH (f->display.x->font); | |
a27f9f86 | 1678 | bounds->height = f->display.x->line_height; |
e4571a43 JB |
1679 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1680 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1681 | } | |
1682 | ||
69388238 RS |
1683 | if (!noclip) |
1684 | { | |
1685 | if (pix_x < 0) | |
1686 | pix_x = 0; | |
1687 | else if (pix_x > f->width) | |
1688 | pix_x = f->width; | |
1689 | ||
1690 | if (pix_y < 0) | |
1691 | pix_y = 0; | |
1692 | else if (pix_y > f->height) | |
1693 | pix_y = f->height; | |
1694 | } | |
e4571a43 JB |
1695 | |
1696 | *x = pix_x; | |
1697 | *y = pix_y; | |
1698 | } | |
1699 | ||
2b5c9e71 RS |
1700 | void |
1701 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1702 | FRAME_PTR f; | |
1703 | register int x, y; | |
1704 | register int *pix_x, *pix_y; | |
1705 | { | |
1706 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1707 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1708 | } | |
1709 | ||
dc6f92b8 JB |
1710 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1711 | ||
1712 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1713 | the mouse. */ |
dc6f92b8 JB |
1714 | |
1715 | static Lisp_Object | |
f451eb13 | 1716 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1717 | struct input_event *result; |
1718 | XButtonEvent *event; | |
f676886a | 1719 | struct frame *f; |
dc6f92b8 | 1720 | { |
f451eb13 | 1721 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1722 | otherwise. */ |
f451eb13 | 1723 | result->kind = mouse_click; |
69388238 | 1724 | result->code = event->button - Button1; |
1113d9db | 1725 | result->timestamp = event->time; |
dfeccd2d | 1726 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
1727 | | (event->type == ButtonRelease |
1728 | ? up_modifier | |
1729 | : down_modifier)); | |
dc6f92b8 | 1730 | |
f451eb13 JB |
1731 | { |
1732 | int row, column; | |
dc6f92b8 | 1733 | |
2b5c9e71 | 1734 | #if 0 |
69388238 | 1735 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
f451eb13 JB |
1736 | XFASTINT (result->x) = column; |
1737 | XFASTINT (result->y) = row; | |
2b5c9e71 | 1738 | #endif |
09fe4c31 RS |
1739 | XSET (result->x, Lisp_Int, event->x); |
1740 | XSET (result->y, Lisp_Int, event->y); | |
12ba150f | 1741 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1742 | } |
dc6f92b8 | 1743 | } |
b849c413 RS |
1744 | |
1745 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
1746 | ||
1747 | static Lisp_Object | |
1748 | construct_menu_click (result, event, f) | |
1749 | struct input_event *result; | |
1750 | XButtonEvent *event; | |
1751 | struct frame *f; | |
1752 | { | |
1753 | /* Make the event type no_event; we'll change that when we decide | |
1754 | otherwise. */ | |
1755 | result->kind = mouse_click; | |
1756 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1757 | result->timestamp = event->time; | |
1758 | result->modifiers = (x_x_to_emacs_modifiers (event->state) | |
1759 | | (event->type == ButtonRelease | |
1760 | ? up_modifier | |
1761 | : down_modifier)); | |
1762 | ||
09fe4c31 RS |
1763 | XSET (result->x, Lisp_Int, event->x); |
1764 | XSET (result->y, Lisp_Int, -1); | |
c8dba240 | 1765 | XSET (result->frame_or_window, Lisp_Frame, f); |
b849c413 | 1766 | } |
69388238 | 1767 | \f |
90e65f07 JB |
1768 | /* Function to report a mouse movement to the mainstream Emacs code. |
1769 | The input handler calls this. | |
1770 | ||
1771 | We have received a mouse movement event, which is given in *event. | |
1772 | If the mouse is over a different glyph than it was last time, tell | |
1773 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1774 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 1775 | |
90e65f07 | 1776 | static void |
12ba150f | 1777 | note_mouse_movement (frame, event) |
f676886a | 1778 | FRAME_PTR frame; |
90e65f07 JB |
1779 | XMotionEvent *event; |
1780 | ||
1781 | { | |
e5d77022 JB |
1782 | last_mouse_movement_time = event->time; |
1783 | ||
27f338af RS |
1784 | if (event->window != FRAME_X_WINDOW (frame)) |
1785 | { | |
1786 | mouse_moved = 1; | |
1787 | last_mouse_scroll_bar = Qnil; | |
1788 | ||
1789 | note_mouse_highlight (frame, -1, -1); | |
1790 | ||
1791 | /* Ask for another mouse motion event. */ | |
1792 | { | |
1793 | int dummy; | |
847e150a | 1794 | Window dummy_window; |
27f338af RS |
1795 | |
1796 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), | |
847e150a | 1797 | &dummy_window, &dummy_window, |
27f338af RS |
1798 | &dummy, &dummy, &dummy, &dummy, |
1799 | (unsigned int *) &dummy); | |
1800 | } | |
1801 | } | |
1802 | ||
90e65f07 | 1803 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
1804 | else if (event->x < last_mouse_glyph.x |
1805 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1806 | || event->y < last_mouse_glyph.y | |
1807 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1808 | { |
1809 | mouse_moved = 1; | |
ab648270 | 1810 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
1811 | |
1812 | note_mouse_highlight (frame, event->x, event->y); | |
1813 | ||
1814 | /* Ask for another mouse motion event. */ | |
1815 | { | |
1816 | int dummy; | |
847e150a | 1817 | Window dummy_window; |
b8009dd1 | 1818 | |
27f338af | 1819 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1820 | &dummy_window, &dummy_window, |
b8009dd1 RS |
1821 | &dummy, &dummy, &dummy, &dummy, |
1822 | (unsigned int *) &dummy); | |
1823 | } | |
12ba150f | 1824 | } |
90e65f07 JB |
1825 | else |
1826 | { | |
1827 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1828 | event the next time the mouse moves and we can see if it's | |
1829 | *still* on the same glyph. */ | |
1830 | int dummy; | |
847e150a | 1831 | Window dummy_window; |
90e65f07 | 1832 | |
27f338af | 1833 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1834 | &dummy_window, &dummy_window, |
90e65f07 JB |
1835 | &dummy, &dummy, &dummy, &dummy, |
1836 | (unsigned int *) &dummy); | |
1837 | } | |
1838 | } | |
1839 | ||
bf1c0ba1 RS |
1840 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
1841 | static int disable_mouse_highlight; | |
1842 | ||
b8009dd1 RS |
1843 | /* Take proper action when the mouse has moved to position X, Y on frame F |
1844 | as regards highlighting characters that have mouse-face properties. | |
27f338af RS |
1845 | Also dehighlighting chars where the mouse was before. |
1846 | X and Y can be negative or out of range. */ | |
b8009dd1 RS |
1847 | |
1848 | static void | |
1849 | note_mouse_highlight (f, x, y) | |
1850 | FRAME_PTR f; | |
1851 | { | |
1852 | int row, column, portion; | |
1853 | XRectangle new_glyph; | |
1854 | Lisp_Object window; | |
1855 | struct window *w; | |
1856 | ||
bf1c0ba1 RS |
1857 | if (disable_mouse_highlight) |
1858 | return; | |
1859 | ||
b8009dd1 RS |
1860 | mouse_face_mouse_x = x; |
1861 | mouse_face_mouse_y = y; | |
1862 | mouse_face_mouse_frame = f; | |
1863 | ||
1864 | if (mouse_face_defer) | |
1865 | return; | |
1866 | ||
514e4681 RS |
1867 | if (gc_in_progress) |
1868 | { | |
1869 | mouse_face_deferred_gc = 1; | |
1870 | return; | |
1871 | } | |
1872 | ||
b8009dd1 RS |
1873 | /* Find out which glyph the mouse is on. */ |
1874 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
1875 | &new_glyph, x_mouse_grabbed); | |
1876 | ||
1877 | /* Which window is that in? */ | |
1878 | window = window_from_coordinates (f, column, row, &portion); | |
1879 | w = XWINDOW (window); | |
1880 | ||
1881 | /* If we were displaying active text in another window, clear that. */ | |
1882 | if (! EQ (window, mouse_face_window)) | |
1883 | clear_mouse_face (); | |
1884 | ||
0cdd0c9f RS |
1885 | /* Are we in a window whose display is up to date? |
1886 | And verify the buffer's text has not changed. */ | |
27f338af RS |
1887 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
1888 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
0cdd0c9f RS |
1889 | && EQ (w->window_end_valid, w->buffer) |
1890 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
1891 | { |
1892 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
1893 | int i, pos; | |
1894 | ||
1895 | /* Find which buffer position the mouse corresponds to. */ | |
1896 | for (i = column; i >= 0; i--) | |
1897 | if (ptr[i] > 0) | |
1898 | break; | |
1899 | pos = ptr[i]; | |
1900 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 KH |
1901 | if (pos <= 0) |
1902 | clear_mouse_face (); | |
1903 | else if (! (EQ (window, mouse_face_window) | |
3b506386 KH |
1904 | && row >= mouse_face_beg_row |
1905 | && row <= mouse_face_end_row | |
1906 | && (row > mouse_face_beg_row || column >= mouse_face_beg_col) | |
4d73d038 RS |
1907 | && (row < mouse_face_end_row || column < mouse_face_end_col |
1908 | || mouse_face_past_end))) | |
b8009dd1 RS |
1909 | { |
1910 | Lisp_Object mouse_face, overlay, position; | |
1911 | Lisp_Object *overlay_vec; | |
1912 | int len, noverlays, ignor1; | |
f8bdb8e6 | 1913 | struct buffer *obuf; |
e444162e | 1914 | int obegv, ozv; |
f8bdb8e6 | 1915 | |
e444162e RS |
1916 | /* If we get an out-of-range value, return now; avoid an error. */ |
1917 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 1918 | return; |
b8009dd1 | 1919 | |
09fe4c31 RS |
1920 | /* Make the window's buffer temporarily current for |
1921 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 1922 | obuf = current_buffer; |
09fe4c31 | 1923 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
1924 | obegv = BEGV; |
1925 | ozv = ZV; | |
1926 | BEGV = BEG; | |
1927 | ZV = Z; | |
09fe4c31 | 1928 | |
b8009dd1 RS |
1929 | /* Yes. Clear the display of the old active region, if any. */ |
1930 | clear_mouse_face (); | |
1931 | ||
1932 | /* Is this char mouse-active? */ | |
1933 | XSET (position, Lisp_Int, pos); | |
1934 | ||
1935 | len = 10; | |
1936 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
1937 | ||
1938 | /* Put all the overlays we want in a vector in overlay_vec. | |
1939 | Store the length in len. */ | |
1940 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, &ignor1); | |
09fe4c31 | 1941 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
1942 | |
1943 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
1944 | overlay = Qnil; | |
1945 | for (i = 0; i < noverlays; i++) | |
1946 | { | |
1947 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
1948 | if (!NILP (mouse_face)) | |
1949 | { | |
1950 | overlay = overlay_vec[i]; | |
1951 | break; | |
1952 | } | |
1953 | } | |
1954 | free (overlay_vec); | |
1955 | /* If no overlay applies, get a text property. */ | |
1956 | if (NILP (overlay)) | |
1957 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
1958 | ||
1959 | /* Handle the overlay case. */ | |
1960 | if (! NILP (overlay)) | |
1961 | { | |
1962 | /* Find the range of text around this char that | |
1963 | should be active. */ | |
1964 | Lisp_Object before, after; | |
1965 | int ignore; | |
1966 | ||
1967 | before = Foverlay_start (overlay); | |
1968 | after = Foverlay_end (overlay); | |
1969 | /* Record this as the current active region. */ | |
4d73d038 RS |
1970 | fast_find_position (window, before, &mouse_face_beg_col, |
1971 | &mouse_face_beg_row); | |
1972 | mouse_face_past_end | |
1973 | = !fast_find_position (window, after, &mouse_face_end_col, | |
1974 | &mouse_face_end_row); | |
b8009dd1 RS |
1975 | mouse_face_window = window; |
1976 | mouse_face_face_id = compute_char_face (f, w, pos, 0, 0, | |
1977 | &ignore, pos + 1, 1); | |
1978 | ||
1979 | /* Display it as active. */ | |
1980 | show_mouse_face (1); | |
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); | |
1991 | XSET (end, Lisp_Int, | |
09fe4c31 | 1992 | (BUF_Z (XBUFFER (w->buffer)) |
b8009dd1 RS |
1993 | - XFASTINT (w->window_end_pos))); |
1994 | before | |
1995 | = Fprevious_single_property_change (make_number (pos + 1), | |
1996 | Qmouse_face, | |
1997 | w->buffer, beginning); | |
1998 | after | |
1999 | = Fnext_single_property_change (position, Qmouse_face, | |
2000 | w->buffer, end); | |
2001 | /* Record this as the current active region. */ | |
4d73d038 RS |
2002 | fast_find_position (window, before, &mouse_face_beg_col, |
2003 | &mouse_face_beg_row); | |
2004 | mouse_face_past_end | |
2005 | = !fast_find_position (window, after, &mouse_face_end_col, | |
2006 | &mouse_face_end_row); | |
b8009dd1 RS |
2007 | mouse_face_window = window; |
2008 | mouse_face_face_id | |
2009 | = compute_char_face (f, w, pos, 0, 0, | |
2010 | &ignore, pos + 1, 1); | |
2011 | ||
2012 | /* Display it as active. */ | |
2013 | show_mouse_face (1); | |
2014 | } | |
e444162e RS |
2015 | BEGV = obegv; |
2016 | ZV = ozv; | |
09fe4c31 | 2017 | current_buffer = obuf; |
b8009dd1 | 2018 | } |
b8009dd1 RS |
2019 | } |
2020 | } | |
2021 | \f | |
2022 | /* Find the row and column of position POS in window WINDOW. | |
2023 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2024 | This assumes display in WINDOW is up to date. |
2025 | If POS is above start of WINDOW, return coords | |
2026 | of start of first screen line. | |
4d73d038 RS |
2027 | If POS is after end of WINDOW, return coords of end of last screen line. |
2028 | ||
2029 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
b8009dd1 RS |
2030 | |
2031 | static int | |
2032 | fast_find_position (window, pos, columnp, rowp) | |
2033 | Lisp_Object window; | |
2034 | int pos; | |
2035 | int *columnp, *rowp; | |
2036 | { | |
2037 | struct window *w = XWINDOW (window); | |
2038 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2039 | int i; | |
4d73d038 | 2040 | int row = 0; |
b8009dd1 RS |
2041 | int left = w->left; |
2042 | int top = w->top; | |
2043 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2044 | int width = window_internal_width (w); | |
2045 | int *charstarts; | |
bf1c0ba1 | 2046 | int lastcol; |
b8009dd1 | 2047 | |
4d73d038 | 2048 | /* Find the right row. */ |
b8009dd1 RS |
2049 | for (i = 0; |
2050 | i < height; | |
2051 | i++) | |
2052 | { | |
2053 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2054 | if (linestart > pos) | |
2055 | break; | |
2056 | if (linestart > 0) | |
2057 | row = i; | |
2058 | } | |
2059 | ||
4d73d038 | 2060 | /* Find the right column with in it. */ |
b8009dd1 | 2061 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
bf1c0ba1 | 2062 | lastcol = left; |
b8009dd1 | 2063 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2064 | { |
2065 | if (charstarts[left + i] == pos) | |
2066 | { | |
2067 | *rowp = row + top; | |
2068 | *columnp = i + left; | |
2069 | return 1; | |
2070 | } | |
2071 | else if (charstarts[left + i] > pos) | |
4d73d038 RS |
2072 | break; |
2073 | else if (charstarts[left + i] > 0) | |
bf1c0ba1 RS |
2074 | lastcol = left + i; |
2075 | } | |
b8009dd1 | 2076 | |
bf1c0ba1 RS |
2077 | *rowp = row + top; |
2078 | *columnp = lastcol; | |
b8009dd1 RS |
2079 | return 0; |
2080 | } | |
2081 | ||
2082 | /* Display the active region described by mouse_face_* | |
2083 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2084 | ||
2085 | static void | |
2086 | show_mouse_face (hl) | |
2087 | int hl; | |
2088 | { | |
b8009dd1 RS |
2089 | struct window *w = XWINDOW (mouse_face_window); |
2090 | int width = window_internal_width (w); | |
2091 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2092 | int i; | |
514e4681 | 2093 | int cursor_off = 0; |
fb3b7de5 RS |
2094 | int old_curs_x = curs_x; |
2095 | int old_curs_y = curs_y; | |
2096 | ||
2097 | /* Set these variables temporarily | |
2098 | so that if we have to turn the cursor off and on again | |
2099 | we will put it back at the same place. */ | |
2100 | curs_x = f->phys_cursor_x; | |
2101 | curs_y = f->phys_cursor_y; | |
b8009dd1 | 2102 | |
3b506386 | 2103 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) |
b8009dd1 | 2104 | { |
3b506386 KH |
2105 | int column = (i == mouse_face_beg_row ? mouse_face_beg_col : w->left); |
2106 | int endcolumn = (i == mouse_face_end_row ? mouse_face_end_col : w->left + width); | |
6f4c2453 | 2107 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
514e4681 RS |
2108 | |
2109 | /* If the cursor's in the text we are about to rewrite, | |
2110 | turn the cursor off. */ | |
2111 | if (i == curs_y | |
3b506386 | 2112 | && curs_x >= mouse_face_beg_col - 1 && curs_x <= mouse_face_end_col) |
514e4681 RS |
2113 | { |
2114 | x_display_cursor (f, 0); | |
2115 | cursor_off = 1; | |
2116 | } | |
b8009dd1 RS |
2117 | |
2118 | dumpglyphs (f, | |
2119 | CHAR_TO_PIXEL_COL (f, column), | |
2120 | CHAR_TO_PIXEL_ROW (f, i), | |
2121 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2122 | endcolumn - column, | |
2123 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2124 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2125 | } |
2126 | ||
514e4681 RS |
2127 | /* If we turned the cursor off, turn it back on. */ |
2128 | if (cursor_off) | |
2129 | x_display_cursor (f, 1); | |
27ead1d5 | 2130 | |
fb3b7de5 RS |
2131 | curs_x = old_curs_x; |
2132 | curs_y = old_curs_y; | |
2133 | ||
27ead1d5 FP |
2134 | /* Change the mouse cursor according to the value of HL. */ |
2135 | if (hl > 0) | |
2136 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->cross_cursor); | |
2137 | else | |
2138 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->text_cursor); | |
b8009dd1 RS |
2139 | } |
2140 | ||
2141 | /* Clear out the mouse-highlighted active region. | |
2142 | Redraw it unhighlighted first. */ | |
2143 | ||
2144 | static void | |
2145 | clear_mouse_face () | |
2146 | { | |
2147 | if (! NILP (mouse_face_window)) | |
2148 | show_mouse_face (0); | |
2149 | ||
3b506386 KH |
2150 | mouse_face_beg_row = mouse_face_beg_col = -1; |
2151 | mouse_face_end_row = mouse_face_end_col = -1; | |
b8009dd1 RS |
2152 | mouse_face_window = Qnil; |
2153 | } | |
2154 | \f | |
ab648270 JB |
2155 | static struct scroll_bar *x_window_to_scroll_bar (); |
2156 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2157 | |
90e65f07 JB |
2158 | /* Return the current position of the mouse. |
2159 | ||
ab648270 JB |
2160 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
2161 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 2162 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2163 | position on the scroll bar. |
12ba150f JB |
2164 | |
2165 | If the mouse movement started elsewhere, set *f to the frame the | |
2166 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2167 | the mouse is over. | |
2168 | ||
2169 | Set *time to the server timestamp for the time at which the mouse | |
2170 | was at this position. | |
2171 | ||
a135645a RS |
2172 | Don't store anything if we don't have a valid set of values to report. |
2173 | ||
90e65f07 | 2174 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2175 | movement. This also calls XQueryPointer, which will cause the |
2176 | server to give us another MotionNotify when the mouse moves | |
2177 | again. */ | |
90e65f07 JB |
2178 | |
2179 | static void | |
12ba150f | 2180 | XTmouse_position (f, bar_window, part, x, y, time) |
472895ad | 2181 | FRAME_PTR *f; |
12ba150f | 2182 | Lisp_Object *bar_window; |
ab648270 | 2183 | enum scroll_bar_part *part; |
90e65f07 | 2184 | Lisp_Object *x, *y; |
e5d77022 | 2185 | unsigned long *time; |
90e65f07 | 2186 | { |
a135645a RS |
2187 | FRAME_PTR f1; |
2188 | ||
90e65f07 JB |
2189 | BLOCK_INPUT; |
2190 | ||
ab648270 JB |
2191 | if (! NILP (last_mouse_scroll_bar)) |
2192 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
2193 | else |
2194 | { | |
12ba150f JB |
2195 | Window root; |
2196 | int root_x, root_y; | |
90e65f07 | 2197 | |
12ba150f JB |
2198 | Window dummy_window; |
2199 | int dummy; | |
2200 | ||
2201 | mouse_moved = 0; | |
ab648270 | 2202 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2203 | |
2204 | /* Figure out which root window we're on. */ | |
2205 | XQueryPointer (x_current_display, | |
2206 | DefaultRootWindow (x_current_display), | |
2207 | ||
2208 | /* The root window which contains the pointer. */ | |
2209 | &root, | |
2210 | ||
2211 | /* Trash which we can't trust if the pointer is on | |
2212 | a different screen. */ | |
2213 | &dummy_window, | |
2214 | ||
2215 | /* The position on that root window. */ | |
2216 | &root_x, &root_y, | |
2217 | ||
2218 | /* More trash we can't trust. */ | |
2219 | &dummy, &dummy, | |
2220 | ||
2221 | /* Modifier keys and pointer buttons, about which | |
2222 | we don't care. */ | |
2223 | (unsigned int *) &dummy); | |
2224 | ||
2225 | /* Now we have a position on the root; find the innermost window | |
2226 | containing the pointer. */ | |
2227 | { | |
2228 | Window win, child; | |
2229 | int win_x, win_y; | |
2230 | int parent_x, parent_y; | |
2231 | ||
2232 | win = root; | |
69388238 | 2233 | |
23faf38f RS |
2234 | if (x_mouse_grabbed && last_mouse_frame |
2235 | && FRAME_LIVE_P (last_mouse_frame)) | |
12ba150f | 2236 | { |
69388238 RS |
2237 | /* If mouse was grabbed on a frame, give coords for that frame |
2238 | even if the mouse is now outside it. */ | |
12ba150f | 2239 | XTranslateCoordinates (x_current_display, |
69388238 | 2240 | |
12ba150f | 2241 | /* From-window, to-window. */ |
69388238 | 2242 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2243 | |
2244 | /* From-position, to-position. */ | |
2245 | root_x, root_y, &win_x, &win_y, | |
2246 | ||
2247 | /* Child of win. */ | |
2248 | &child); | |
69388238 RS |
2249 | f1 = last_mouse_frame; |
2250 | } | |
2251 | else | |
2252 | { | |
2253 | while (1) | |
2254 | { | |
2255 | XTranslateCoordinates (x_current_display, | |
12ba150f | 2256 | |
69388238 RS |
2257 | /* From-window, to-window. */ |
2258 | root, win, | |
12ba150f | 2259 | |
69388238 RS |
2260 | /* From-position, to-position. */ |
2261 | root_x, root_y, &win_x, &win_y, | |
2262 | ||
2263 | /* Child of win. */ | |
2264 | &child); | |
2265 | ||
2266 | if (child == None) | |
2267 | break; | |
2268 | ||
2269 | win = child; | |
2270 | parent_x = win_x; | |
2271 | parent_y = win_y; | |
2272 | } | |
12ba150f | 2273 | |
69388238 RS |
2274 | /* Now we know that: |
2275 | win is the innermost window containing the pointer | |
2276 | (XTC says it has no child containing the pointer), | |
2277 | win_x and win_y are the pointer's position in it | |
2278 | (XTC did this the last time through), and | |
2279 | parent_x and parent_y are the pointer's position in win's parent. | |
2280 | (They are what win_x and win_y were when win was child. | |
2281 | If win is the root window, it has no parent, and | |
2282 | parent_{x,y} are invalid, but that's okay, because we'll | |
2283 | never use them in that case.) */ | |
2284 | ||
2285 | /* Is win one of our frames? */ | |
2b5c9e71 | 2286 | f1 = x_any_window_to_frame (win); |
69388238 | 2287 | } |
12ba150f | 2288 | |
ab648270 | 2289 | /* If not, is it one of our scroll bars? */ |
a135645a | 2290 | if (! f1) |
12ba150f | 2291 | { |
ab648270 | 2292 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2293 | |
2294 | if (bar) | |
2295 | { | |
a135645a | 2296 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2297 | win_x = parent_x; |
2298 | win_y = parent_y; | |
2299 | } | |
2300 | } | |
90e65f07 | 2301 | |
a135645a | 2302 | if (f1) |
12ba150f | 2303 | { |
2b5c9e71 RS |
2304 | int ignore1, ignore2; |
2305 | ||
2306 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2307 | |
2b5c9e71 | 2308 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
69388238 | 2309 | &last_mouse_glyph, x_mouse_grabbed); |
12ba150f JB |
2310 | |
2311 | *bar_window = Qnil; | |
2312 | *part = 0; | |
a135645a | 2313 | *f = f1; |
12ba150f JB |
2314 | XSET (*x, Lisp_Int, win_x); |
2315 | XSET (*y, Lisp_Int, win_y); | |
2316 | *time = last_mouse_movement_time; | |
2317 | } | |
2318 | } | |
2319 | } | |
90e65f07 JB |
2320 | |
2321 | UNBLOCK_INPUT; | |
2322 | } | |
c118dd06 | 2323 | \f |
ab648270 | 2324 | /* Scroll bar support. */ |
f451eb13 | 2325 | |
ab648270 JB |
2326 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2327 | This can be called in GC, so we have to make sure to strip off mark | |
2328 | bits. */ | |
2329 | static struct scroll_bar * | |
2330 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2331 | Window window_id; |
2332 | { | |
2333 | Lisp_Object tail, frame; | |
f451eb13 | 2334 | |
ab648270 JB |
2335 | for (tail = Vframe_list; |
2336 | XGCTYPE (tail) == Lisp_Cons; | |
2337 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2338 | { |
abdda982 | 2339 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2340 | |
abdda982 | 2341 | frame = XCONS (tail)->car; |
f451eb13 | 2342 | /* All elements of Vframe_list should be frames. */ |
ab648270 | 2343 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
2344 | abort (); |
2345 | ||
ab648270 | 2346 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2347 | right window ID. */ |
ab648270 JB |
2348 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2349 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2350 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2351 | condemned scroll bar lists with one loop. */ |
2352 | ! GC_NILP (bar) || (bar = condemned, | |
2353 | condemned = Qnil, | |
2354 | ! GC_NILP (bar)); | |
bc20ebbf | 2355 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2356 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2357 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2358 | } |
2359 | ||
2360 | return 0; | |
2361 | } | |
2362 | ||
ab648270 JB |
2363 | /* Open a new X window to serve as a scroll bar, and return the |
2364 | scroll bar vector for it. */ | |
2365 | static struct scroll_bar * | |
2366 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2367 | struct window *window; |
f451eb13 JB |
2368 | int top, left, width, height; |
2369 | { | |
12ba150f | 2370 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
2371 | struct scroll_bar *bar = |
2372 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2373 | |
2374 | BLOCK_INPUT; | |
2375 | ||
2376 | { | |
2377 | XSetWindowAttributes a; | |
2378 | unsigned long mask; | |
12ba150f JB |
2379 | a.background_pixel = frame->display.x->background_pixel; |
2380 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 2381 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2382 | | ExposureMask); |
ab648270 | 2383 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 2384 | |
dbc4e1c1 | 2385 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2386 | |
3afe33e7 RS |
2387 | #if 0 |
2388 | ||
2389 | ac = 0; | |
2390 | XtSetArg (al[ac], XtNx, left); ac++; | |
2391 | XtSetArg (al[ac], XtNy, top); ac++; | |
2392 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2393 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2394 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2395 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 KH |
2396 | boxWidgetClass, |
2397 | frame->display.x->edit_widget, al, ac); | |
2398 | SET_SCROLL_BAR_X_WINDOW | |
3afe33e7 RS |
2399 | (bar, sb_widget->core.window); |
2400 | #endif | |
7246d1d3 | 2401 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
2402 | (bar, |
2403 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 2404 | |
ab648270 | 2405 | /* Position and size of scroll bar. */ |
12ba150f | 2406 | left, top, width, height, |
f451eb13 | 2407 | |
12ba150f JB |
2408 | /* Border width, depth, class, and visual. */ |
2409 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2410 | |
12ba150f JB |
2411 | /* Attributes. */ |
2412 | mask, &a)); | |
f451eb13 JB |
2413 | } |
2414 | ||
12ba150f JB |
2415 | XSET (bar->window, Lisp_Window, window); |
2416 | XSET (bar->top, Lisp_Int, top); | |
2417 | XSET (bar->left, Lisp_Int, left); | |
2418 | XSET (bar->width, Lisp_Int, width); | |
2419 | XSET (bar->height, Lisp_Int, height); | |
2420 | XSET (bar->start, Lisp_Int, 0); | |
2421 | XSET (bar->end, Lisp_Int, 0); | |
2422 | bar->dragging = Qnil; | |
f451eb13 JB |
2423 | |
2424 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 2425 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 2426 | bar->prev = Qnil; |
ab648270 | 2427 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 2428 | if (! NILP (bar->next)) |
ab648270 | 2429 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 2430 | |
ab648270 | 2431 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2432 | |
2433 | UNBLOCK_INPUT; | |
12ba150f JB |
2434 | |
2435 | return bar; | |
f451eb13 JB |
2436 | } |
2437 | ||
12ba150f JB |
2438 | /* Draw BAR's handle in the proper position. |
2439 | If the handle is already drawn from START to END, don't bother | |
2440 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2441 | redraw it. (REBUILD is handy for drawing the handle after expose | |
2442 | events.) | |
2443 | ||
2444 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2445 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2446 | handle, we want to let them drag it down all the way, so that the |
2447 | bar's top is as far down as it goes; otherwise, there's no way to | |
2448 | move to the very end of the buffer. */ | |
f451eb13 | 2449 | static void |
ab648270 JB |
2450 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2451 | struct scroll_bar *bar; | |
f451eb13 | 2452 | int start, end; |
12ba150f | 2453 | int rebuild; |
f451eb13 | 2454 | { |
12ba150f | 2455 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2456 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2457 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2458 | ||
2459 | /* If the display is already accurate, do nothing. */ | |
2460 | if (! rebuild | |
2461 | && start == XINT (bar->start) | |
2462 | && end == XINT (bar->end)) | |
2463 | return; | |
2464 | ||
f451eb13 JB |
2465 | BLOCK_INPUT; |
2466 | ||
2467 | { | |
ab648270 JB |
2468 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2469 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2470 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2471 | |
2472 | /* Make sure the values are reasonable, and try to preserve | |
2473 | the distance between start and end. */ | |
12ba150f JB |
2474 | { |
2475 | int length = end - start; | |
2476 | ||
2477 | if (start < 0) | |
2478 | start = 0; | |
2479 | else if (start > top_range) | |
2480 | start = top_range; | |
2481 | end = start + length; | |
2482 | ||
2483 | if (end < start) | |
2484 | end = start; | |
2485 | else if (end > top_range && ! dragging) | |
2486 | end = top_range; | |
2487 | } | |
f451eb13 | 2488 | |
ab648270 | 2489 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
2490 | XSET (bar->start, Lisp_Int, start); |
2491 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 2492 | |
12ba150f JB |
2493 | /* Clip the end position, just for display. */ |
2494 | if (end > top_range) | |
2495 | end = top_range; | |
f451eb13 | 2496 | |
ab648270 | 2497 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2498 | below top positions, to make sure the handle is always at least |
2499 | that many pixels tall. */ | |
ab648270 | 2500 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2501 | |
12ba150f JB |
2502 | /* Draw the empty space above the handle. Note that we can't clear |
2503 | zero-height areas; that means "clear to end of window." */ | |
2504 | if (0 < start) | |
2505 | XClearArea (x_current_display, w, | |
f451eb13 | 2506 | |
12ba150f | 2507 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2508 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2509 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2510 | inside_width, start, |
2511 | False); | |
f451eb13 | 2512 | |
12ba150f JB |
2513 | /* Draw the handle itself. */ |
2514 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2515 | |
12ba150f | 2516 | /* x, y, width, height */ |
ab648270 JB |
2517 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2518 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2519 | inside_width, end - start); |
f451eb13 | 2520 | |
f451eb13 | 2521 | |
12ba150f JB |
2522 | /* Draw the empty space below the handle. Note that we can't |
2523 | clear zero-height areas; that means "clear to end of window." */ | |
2524 | if (end < inside_height) | |
2525 | XClearArea (x_current_display, w, | |
f451eb13 | 2526 | |
12ba150f | 2527 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2528 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2529 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2530 | inside_width, inside_height - end, |
2531 | False); | |
f451eb13 | 2532 | |
f451eb13 JB |
2533 | } |
2534 | ||
f451eb13 JB |
2535 | UNBLOCK_INPUT; |
2536 | } | |
2537 | ||
eb8c3be9 | 2538 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2539 | window configurations. */ |
f451eb13 | 2540 | static void |
ab648270 JB |
2541 | x_scroll_bar_move (bar, top, left, width, height) |
2542 | struct scroll_bar *bar; | |
f451eb13 JB |
2543 | int top, left, width, height; |
2544 | { | |
2545 | BLOCK_INPUT; | |
2546 | ||
2547 | { | |
2548 | XWindowChanges wc; | |
2549 | unsigned int mask = 0; | |
2550 | ||
2551 | wc.x = left; | |
2552 | wc.y = top; | |
2553 | wc.width = width; | |
2554 | wc.height = height; | |
2555 | ||
12ba150f JB |
2556 | if (left != XINT (bar->left)) mask |= CWX; |
2557 | if (top != XINT (bar->top)) mask |= CWY; | |
2558 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2559 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2560 | ||
2561 | if (mask) | |
ab648270 | 2562 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2563 | mask, &wc); |
f451eb13 JB |
2564 | } |
2565 | ||
12ba150f JB |
2566 | XSET (bar->left, Lisp_Int, left); |
2567 | XSET (bar->top, Lisp_Int, top); | |
2568 | XSET (bar->width, Lisp_Int, width); | |
2569 | XSET (bar->height, Lisp_Int, height); | |
2570 | ||
f451eb13 JB |
2571 | UNBLOCK_INPUT; |
2572 | } | |
2573 | ||
ab648270 | 2574 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2575 | to nil. */ |
2576 | static void | |
ab648270 JB |
2577 | x_scroll_bar_remove (bar) |
2578 | struct scroll_bar *bar; | |
12ba150f JB |
2579 | { |
2580 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2581 | ||
2582 | BLOCK_INPUT; | |
2583 | ||
2584 | /* Destroy the window. */ | |
ab648270 | 2585 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2586 | |
ab648270 JB |
2587 | /* Disassociate this scroll bar from its window. */ |
2588 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2589 | |
2590 | UNBLOCK_INPUT; | |
2591 | } | |
2592 | ||
2593 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2594 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2595 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2596 | create one. */ |
2597 | static void | |
ab648270 | 2598 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2599 | struct window *window; |
2600 | int portion, whole, position; | |
2601 | { | |
2602 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2603 | int top = XINT (window->top); |
ab648270 JB |
2604 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2605 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2606 | |
ab648270 | 2607 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2608 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2609 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
480407eb | 2610 | int pixel_width = FRAME_SCROLL_BAR_PIXEL_WIDTH (f); |
ab648270 | 2611 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); |
f451eb13 | 2612 | |
ab648270 | 2613 | struct scroll_bar *bar; |
12ba150f | 2614 | |
ab648270 JB |
2615 | /* Does the scroll bar exist yet? */ |
2616 | if (NILP (window->vertical_scroll_bar)) | |
2617 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2618 | pixel_top, pixel_left, |
2619 | pixel_width, pixel_height); | |
2620 | else | |
12ba150f JB |
2621 | { |
2622 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2623 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2624 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2625 | } |
f451eb13 | 2626 | |
ab648270 | 2627 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2628 | dragged. */ |
12ba150f | 2629 | if (NILP (bar->dragging)) |
f451eb13 | 2630 | { |
12ba150f | 2631 | int top_range = |
ab648270 | 2632 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2633 | |
12ba150f | 2634 | if (whole == 0) |
ab648270 | 2635 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2636 | else |
2637 | { | |
43f868f5 JB |
2638 | int start = ((double) position * top_range) / whole; |
2639 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2640 | |
ab648270 | 2641 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2642 | } |
f451eb13 JB |
2643 | } |
2644 | ||
ab648270 | 2645 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2646 | } |
2647 | ||
12ba150f | 2648 | |
f451eb13 | 2649 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2650 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2651 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2652 | away is a real pain - "Can you say set-window-configuration, boys |
2653 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2654 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2655 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2656 | |
ab648270 JB |
2657 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2658 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2659 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2660 | static void |
ab648270 | 2661 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2662 | FRAME_PTR frame; |
2663 | { | |
12ba150f JB |
2664 | /* The condemned list should be empty at this point; if it's not, |
2665 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2666 | protocol correctly. */ | |
ab648270 | 2667 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2668 | abort (); |
2669 | ||
2670 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2671 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2672 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2673 | } |
2674 | ||
ab648270 | 2675 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2676 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2677 | static void |
ab648270 | 2678 | XTredeem_scroll_bar (window) |
12ba150f | 2679 | struct window *window; |
f451eb13 | 2680 | { |
ab648270 | 2681 | struct scroll_bar *bar; |
12ba150f | 2682 | |
ab648270 JB |
2683 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2684 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2685 | abort (); |
2686 | ||
ab648270 | 2687 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2688 | |
2689 | /* Unlink it from the condemned list. */ | |
2690 | { | |
2691 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2692 | ||
2693 | if (NILP (bar->prev)) | |
2694 | { | |
2695 | /* If the prev pointer is nil, it must be the first in one of | |
2696 | the lists. */ | |
ab648270 | 2697 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2698 | /* It's not condemned. Everything's fine. */ |
2699 | return; | |
ab648270 JB |
2700 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2701 | window->vertical_scroll_bar)) | |
2702 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2703 | else |
2704 | /* If its prev pointer is nil, it must be at the front of | |
2705 | one or the other! */ | |
2706 | abort (); | |
2707 | } | |
2708 | else | |
ab648270 | 2709 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2710 | |
2711 | if (! NILP (bar->next)) | |
ab648270 | 2712 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2713 | |
ab648270 | 2714 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2715 | bar->prev = Qnil; |
ab648270 | 2716 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2717 | if (! NILP (bar->next)) |
ab648270 | 2718 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2719 | } |
f451eb13 JB |
2720 | } |
2721 | ||
ab648270 JB |
2722 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2723 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2724 | static void |
ab648270 | 2725 | XTjudge_scroll_bars (f) |
12ba150f | 2726 | FRAME_PTR f; |
f451eb13 | 2727 | { |
12ba150f | 2728 | Lisp_Object bar, next; |
f451eb13 | 2729 | |
ab648270 | 2730 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2731 | |
2732 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2733 | more events on the hapless scroll bars. */ |
2734 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2735 | |
2736 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2737 | { |
ab648270 | 2738 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2739 | |
ab648270 | 2740 | x_scroll_bar_remove (b); |
12ba150f JB |
2741 | |
2742 | next = b->next; | |
2743 | b->next = b->prev = Qnil; | |
f451eb13 | 2744 | } |
12ba150f | 2745 | |
ab648270 | 2746 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2747 | and they should get garbage-collected. */ |
f451eb13 JB |
2748 | } |
2749 | ||
2750 | ||
ab648270 JB |
2751 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2752 | ||
2753 | This may be called from a signal handler, so we have to ignore GC | |
2754 | mark bits. */ | |
f451eb13 | 2755 | static void |
ab648270 JB |
2756 | x_scroll_bar_expose (bar, event) |
2757 | struct scroll_bar *bar; | |
f451eb13 JB |
2758 | XEvent *event; |
2759 | { | |
ab648270 | 2760 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2761 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2762 | ||
f451eb13 JB |
2763 | BLOCK_INPUT; |
2764 | ||
ab648270 | 2765 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2766 | |
ab648270 | 2767 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2768 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2769 | |
2770 | /* x, y, width, height */ | |
12ba150f | 2771 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2772 | |
f451eb13 JB |
2773 | UNBLOCK_INPUT; |
2774 | } | |
2775 | ||
ab648270 JB |
2776 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2777 | is set to something other than no_event, it is enqueued. | |
2778 | ||
2779 | This may be called from a signal handler, so we have to ignore GC | |
2780 | mark bits. */ | |
f451eb13 | 2781 | static void |
ab648270 JB |
2782 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2783 | struct scroll_bar *bar; | |
f451eb13 JB |
2784 | XEvent *event; |
2785 | struct input_event *emacs_event; | |
2786 | { | |
ab648270 | 2787 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2788 | abort (); |
2789 | ||
ab648270 | 2790 | emacs_event->kind = scroll_bar_click; |
69388238 | 2791 | emacs_event->code = event->xbutton.button - Button1; |
f451eb13 | 2792 | emacs_event->modifiers = |
dfeccd2d | 2793 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
2794 | | (event->type == ButtonRelease |
2795 | ? up_modifier | |
2796 | : down_modifier)); | |
12ba150f | 2797 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2798 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2799 | { |
2800 | int internal_height = | |
ab648270 | 2801 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2802 | int top_range = |
ab648270 JB |
2803 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2804 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2805 | |
2806 | if (y < 0) y = 0; | |
2807 | if (y > top_range) y = top_range; | |
2808 | ||
2809 | if (y < XINT (bar->start)) | |
ab648270 JB |
2810 | emacs_event->part = scroll_bar_above_handle; |
2811 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2812 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2813 | else |
ab648270 | 2814 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2815 | |
2816 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2817 | they want to drag it. Lisp code needs to be able to decide |
2818 | whether or not we're dragging. */ | |
929787e1 | 2819 | #if 0 |
12ba150f JB |
2820 | /* If the user has just clicked on the handle, record where they're |
2821 | holding it. */ | |
2822 | if (event->type == ButtonPress | |
ab648270 | 2823 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 2824 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 2825 | #endif |
12ba150f JB |
2826 | |
2827 | /* If the user has released the handle, set it to its final position. */ | |
2828 | if (event->type == ButtonRelease | |
2829 | && ! NILP (bar->dragging)) | |
2830 | { | |
2831 | int new_start = y - XINT (bar->dragging); | |
2832 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2833 | |
ab648270 | 2834 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2835 | bar->dragging = Qnil; |
2836 | } | |
f451eb13 | 2837 | |
5116f055 JB |
2838 | /* Same deal here as the other #if 0. */ |
2839 | #if 0 | |
eb8c3be9 | 2840 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 2841 | the handle. */ |
ab648270 | 2842 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2843 | emacs_event->x = bar->start; |
2844 | else | |
2845 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
2846 | #else |
2847 | XSET (emacs_event->x, Lisp_Int, y); | |
2848 | #endif | |
f451eb13 | 2849 | |
12ba150f JB |
2850 | XSET (emacs_event->y, Lisp_Int, top_range); |
2851 | } | |
2852 | } | |
f451eb13 | 2853 | |
ab648270 JB |
2854 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2855 | ||
2856 | This may be called from a signal handler, so we have to ignore GC | |
2857 | mark bits. */ | |
f451eb13 | 2858 | static void |
ab648270 JB |
2859 | x_scroll_bar_note_movement (bar, event) |
2860 | struct scroll_bar *bar; | |
f451eb13 JB |
2861 | XEvent *event; |
2862 | { | |
2863 | last_mouse_movement_time = event->xmotion.time; | |
2864 | ||
2865 | mouse_moved = 1; | |
ab648270 | 2866 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2867 | |
2868 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2869 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2870 | { |
2871 | /* Where should the handle be now? */ | |
12ba150f | 2872 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2873 | |
12ba150f | 2874 | if (new_start != XINT (bar->start)) |
f451eb13 | 2875 | { |
12ba150f | 2876 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2877 | |
ab648270 | 2878 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2879 | } |
2880 | } | |
2881 | ||
2882 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2883 | moves and we can see *still* on the same position. */ | |
2884 | { | |
2885 | int dummy; | |
847e150a | 2886 | Window dummy_window; |
f451eb13 JB |
2887 | |
2888 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
847e150a | 2889 | &dummy_window, &dummy_window, |
f451eb13 JB |
2890 | &dummy, &dummy, &dummy, &dummy, |
2891 | (unsigned int *) &dummy); | |
2892 | } | |
2893 | } | |
2894 | ||
12ba150f | 2895 | /* Return information to the user about the current position of the mouse |
ab648270 | 2896 | on the scroll bar. */ |
12ba150f | 2897 | static void |
ab648270 | 2898 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2899 | FRAME_PTR *f; |
2900 | Lisp_Object *bar_window; | |
ab648270 | 2901 | enum scroll_bar_part *part; |
12ba150f JB |
2902 | Lisp_Object *x, *y; |
2903 | unsigned long *time; | |
2904 | { | |
ab648270 | 2905 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 2906 | int win_x, win_y; |
559cb2fb JB |
2907 | Window dummy_window; |
2908 | int dummy_coord; | |
2909 | unsigned int dummy_mask; | |
12ba150f | 2910 | |
cf7cb199 JB |
2911 | BLOCK_INPUT; |
2912 | ||
ab648270 | 2913 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 2914 | report that. */ |
559cb2fb JB |
2915 | if (! XQueryPointer (x_current_display, |
2916 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 2917 | |
559cb2fb JB |
2918 | /* Root, child, root x and root y. */ |
2919 | &dummy_window, &dummy_window, | |
2920 | &dummy_coord, &dummy_coord, | |
12ba150f | 2921 | |
559cb2fb JB |
2922 | /* Position relative to scroll bar. */ |
2923 | &win_x, &win_y, | |
12ba150f | 2924 | |
559cb2fb JB |
2925 | /* Mouse buttons and modifier keys. */ |
2926 | &dummy_mask)) | |
2927 | *f = 0; | |
2928 | else | |
2929 | { | |
2930 | int inside_height | |
2931 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2932 | int top_range | |
2933 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2934 | ||
2935 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
2936 | ||
2937 | if (! NILP (bar->dragging)) | |
2938 | win_y -= XINT (bar->dragging); | |
2939 | ||
2940 | if (win_y < 0) | |
2941 | win_y = 0; | |
2942 | if (win_y > top_range) | |
2943 | win_y = top_range; | |
2944 | ||
2945 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2946 | *bar_window = bar->window; | |
2947 | ||
2948 | if (! NILP (bar->dragging)) | |
2949 | *part = scroll_bar_handle; | |
2950 | else if (win_y < XINT (bar->start)) | |
2951 | *part = scroll_bar_above_handle; | |
2952 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2953 | *part = scroll_bar_handle; | |
2954 | else | |
2955 | *part = scroll_bar_below_handle; | |
12ba150f | 2956 | |
559cb2fb JB |
2957 | XSET (*x, Lisp_Int, win_y); |
2958 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 2959 | |
559cb2fb JB |
2960 | mouse_moved = 0; |
2961 | last_mouse_scroll_bar = Qnil; | |
2962 | } | |
12ba150f | 2963 | |
559cb2fb | 2964 | *time = last_mouse_movement_time; |
cf7cb199 | 2965 | |
cf7cb199 | 2966 | UNBLOCK_INPUT; |
12ba150f JB |
2967 | } |
2968 | ||
f451eb13 | 2969 | |
dbc4e1c1 | 2970 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2971 | background colors, and the scroll bars may need to be redrawn. |
2972 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2973 | redraw them. */ |
2974 | ||
ab648270 | 2975 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2976 | FRAME_PTR f; |
2977 | { | |
2978 | Lisp_Object bar; | |
2979 | ||
ab648270 | 2980 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2981 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2982 | bar = XSCROLL_BAR (bar)->next) |
2983 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2984 | 0, 0, 0, 0, True); |
2985 | } | |
2986 | ||
3afe33e7 RS |
2987 | /* This processes Expose events from the menubar specific X event |
2988 | loop in menubar.c. This allows to redisplay the frame if necessary | |
2989 | when handling menubar or popup items. */ | |
2990 | ||
2991 | void | |
2992 | process_expose_from_menu (event) | |
2993 | XEvent event; | |
2994 | { | |
2995 | FRAME_PTR f; | |
2996 | ||
f94397b5 KH |
2997 | BLOCK_INPUT; |
2998 | ||
3afe33e7 RS |
2999 | f = x_window_to_frame (event.xexpose.window); |
3000 | if (f) | |
3001 | { | |
3002 | if (f->async_visible == 0) | |
3003 | { | |
3004 | f->async_visible = 1; | |
3005 | f->async_iconified = 0; | |
3006 | SET_FRAME_GARBAGED (f); | |
3007 | } | |
3008 | else | |
3009 | { | |
3010 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3011 | event.xexpose.x, event.xexpose.y, | |
3012 | event.xexpose.width, event.xexpose.height); | |
3013 | } | |
3014 | } | |
3015 | else | |
3016 | { | |
3017 | struct scroll_bar *bar | |
3018 | = x_window_to_scroll_bar (event.xexpose.window); | |
3019 | ||
3020 | if (bar) | |
3021 | x_scroll_bar_expose (bar, &event); | |
3022 | } | |
f94397b5 KH |
3023 | |
3024 | UNBLOCK_INPUT; | |
3afe33e7 | 3025 | } |
09756a85 RS |
3026 | \f |
3027 | /* Define a queue to save up SelectionRequest events for later handling. */ | |
3028 | ||
3029 | struct selection_event_queue | |
3030 | { | |
3031 | XEvent event; | |
3032 | struct selection_event_queue *next; | |
3033 | }; | |
3034 | ||
3035 | static struct selection_event_queue *queue; | |
3036 | ||
3037 | /* Nonzero means queue up certain events--don't process them yet. */ | |
3038 | static int x_queue_selection_requests; | |
3039 | ||
3040 | /* Queue up an X event *EVENT, to be processed later. */ | |
dbc4e1c1 | 3041 | |
09756a85 RS |
3042 | static void |
3043 | x_queue_event (event) | |
3044 | XEvent *event; | |
3045 | { | |
3046 | struct selection_event_queue *queue_tmp | |
3047 | = (struct selection_event_queue *) malloc (sizeof (struct selection_event_queue)); | |
3048 | ||
3049 | if (queue_tmp != NULL) | |
3050 | { | |
3051 | queue_tmp->event = *event; | |
3052 | queue_tmp->next = queue; | |
3053 | queue = queue_tmp; | |
3054 | } | |
3055 | } | |
3056 | ||
3057 | /* Take all the queued events and put them back | |
3058 | so that they get processed afresh. */ | |
3059 | ||
3060 | static void | |
3061 | x_unqueue_events () | |
3062 | { | |
3063 | while (queue != NULL) | |
3064 | { | |
3065 | struct selection_event_queue *queue_tmp = queue; | |
3066 | XPutBackEvent (XDISPLAY &queue_tmp->event); | |
3067 | queue = queue_tmp->next; | |
3068 | free ((char *)queue_tmp); | |
3069 | } | |
3070 | } | |
3071 | ||
3072 | /* Start queuing SelectionRequest events. */ | |
3073 | ||
3074 | void | |
3075 | x_start_queuing_selection_requests () | |
3076 | { | |
3077 | x_queue_selection_requests++; | |
3078 | } | |
3079 | ||
3080 | /* Stop queuing SelectionRequest events. */ | |
3081 | ||
3082 | void | |
3083 | x_stop_queuing_selection_requests () | |
3084 | { | |
3085 | x_queue_selection_requests--; | |
3086 | x_unqueue_events (); | |
3087 | } | |
f451eb13 JB |
3088 | \f |
3089 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3090 | |
dc6f92b8 JB |
3091 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3092 | but we have to put it out here, since static variables within functions | |
3093 | sometimes don't work. */ | |
3094 | static Time enter_timestamp; | |
3095 | ||
11edeb03 JB |
3096 | /* This holds the state XLookupString needs to implement dead keys |
3097 | and other tricks known as "compose processing". _X Window System_ | |
3098 | says that a portable program can't use this, but Stephen Gildea assures | |
3099 | me that letting the compiler initialize it to zeros will work okay. | |
3100 | ||
3101 | This must be defined outside of XTread_socket, for the same reasons | |
3102 | given for enter_timestamp, above. */ | |
3103 | static XComposeStatus compose_status; | |
3104 | ||
c047688c JA |
3105 | /* Communication with window managers. */ |
3106 | Atom Xatom_wm_protocols; | |
3107 | ||
3108 | /* Kinds of protocol things we may receive. */ | |
3109 | Atom Xatom_wm_take_focus; | |
3110 | Atom Xatom_wm_save_yourself; | |
3111 | Atom Xatom_wm_delete_window; | |
3112 | ||
3113 | /* Other WM communication */ | |
3114 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
3115 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
3116 | ||
d56a553a RS |
3117 | /* Window manager communication. */ |
3118 | Atom Xatom_wm_change_state; | |
3119 | ||
c2df547c RS |
3120 | /* EditRes protocol */ |
3121 | Atom Xatom_editres_name; | |
3122 | ||
10e6549c RS |
3123 | /* Record the last 100 characters stored |
3124 | to help debug the loss-of-chars-during-GC problem. */ | |
3125 | int temp_index; | |
3126 | short temp_buffer[100]; | |
3127 | ||
dc6f92b8 JB |
3128 | /* Read events coming from the X server. |
3129 | This routine is called by the SIGIO handler. | |
3130 | We return as soon as there are no more events to be read. | |
3131 | ||
3132 | Events representing keys are stored in buffer BUFP, | |
3133 | which can hold up to NUMCHARS characters. | |
3134 | We return the number of characters stored into the buffer, | |
3135 | thus pretending to be `read'. | |
3136 | ||
3137 | WAITP is nonzero if we should block until input arrives. | |
3138 | EXPECTED is nonzero if the caller knows input is available. */ | |
3139 | ||
7c5283e4 | 3140 | int |
dc6f92b8 JB |
3141 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3142 | register int sd; | |
3143 | register struct input_event *bufp; | |
3144 | register int numchars; | |
3145 | int waitp; | |
3146 | int expected; | |
3147 | { | |
3148 | int count = 0; | |
3149 | int nbytes = 0; | |
3150 | int mask; | |
3151 | int items_pending; /* How many items are in the X queue. */ | |
3152 | XEvent event; | |
f676886a | 3153 | struct frame *f; |
66f55a9d | 3154 | int event_found = 0; |
dc6f92b8 JB |
3155 | int prefix; |
3156 | Lisp_Object part; | |
3157 | ||
9ac0d9e0 | 3158 | if (interrupt_input_blocked) |
dc6f92b8 | 3159 | { |
9ac0d9e0 | 3160 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3161 | return -1; |
3162 | } | |
3163 | ||
9ac0d9e0 | 3164 | interrupt_input_pending = 0; |
dc6f92b8 JB |
3165 | BLOCK_INPUT; |
3166 | ||
3167 | if (numchars <= 0) | |
3168 | abort (); /* Don't think this happens. */ | |
3169 | ||
3170 | #ifdef FIOSNBIO | |
3171 | /* If available, Xlib uses FIOSNBIO to make the socket | |
3172 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3173 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3174 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
3175 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 3176 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
3177 | |
3178 | #ifndef SIGIO | |
3179 | #ifndef HAVE_SELECT | |
3180 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
3181 | { | |
3182 | extern int read_alarm_should_throw; | |
3183 | read_alarm_should_throw = 1; | |
3184 | XPeekEvent (XDISPLAY &event); | |
3185 | read_alarm_should_throw = 0; | |
3186 | } | |
c118dd06 JB |
3187 | #endif /* HAVE_SELECT */ |
3188 | #endif /* SIGIO */ | |
dc6f92b8 JB |
3189 | |
3190 | while (XStuffPending () != 0) | |
3191 | { | |
3192 | XNextEvent (XDISPLAY &event); | |
3193 | event_found = 1; | |
3194 | ||
3195 | switch (event.type) | |
3196 | { | |
c047688c JA |
3197 | case ClientMessage: |
3198 | { | |
3199 | if (event.xclient.message_type == Xatom_wm_protocols | |
3200 | && event.xclient.format == 32) | |
3201 | { | |
3202 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
3203 | { | |
3afe33e7 | 3204 | f = x_window_to_frame (event.xclient.window); |
0a178815 RS |
3205 | /* Since we set WM_TAKE_FOCUS, we must call |
3206 | XSetInputFocus explicitly. But not if f is null, | |
3207 | since that might be an event for a deleted frame. */ | |
f676886a | 3208 | if (f) |
5627c40e RS |
3209 | XSetInputFocus (event.xclient.display, |
3210 | event.xclient.window, | |
3211 | RevertToPointerRoot, | |
3212 | event.xclient.data.l[1]); | |
ab648270 | 3213 | /* Not certain about handling scroll bars here */ |
c047688c JA |
3214 | } |
3215 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
3216 | { | |
3217 | /* Save state modify the WM_COMMAND property to | |
3218 | something which can reinstate us. This notifies | |
3219 | the session manager, who's looking for such a | |
3220 | PropertyNotify. Can restart processing when | |
3221 | a keyboard or mouse event arrives. */ | |
3222 | if (numchars > 0) | |
3223 | { | |
0ab983c8 RS |
3224 | /* This is just so we only give real data once |
3225 | for a single Emacs process. */ | |
4846819e RS |
3226 | if (x_top_window_to_frame (event.xclient.window) |
3227 | == selected_frame) | |
0ab983c8 RS |
3228 | XSetCommand (x_current_display, |
3229 | event.xclient.window, | |
3230 | initial_argv, initial_argc); | |
3231 | else | |
3232 | XSetCommand (x_current_display, | |
3233 | event.xclient.window, | |
3234 | 0, 0); | |
c047688c JA |
3235 | } |
3236 | } | |
3237 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
3238 | { | |
82aebaf4 | 3239 | struct frame *f = x_any_window_to_frame (event.xclient.window); |
c047688c | 3240 | |
f676886a | 3241 | if (f) |
1fb20991 RS |
3242 | { |
3243 | if (numchars == 0) | |
3244 | abort (); | |
3245 | ||
3246 | bufp->kind = delete_window_event; | |
3247 | XSET (bufp->frame_or_window, Lisp_Frame, f); | |
3248 | bufp++; | |
3249 | ||
3250 | count += 1; | |
3251 | numchars -= 1; | |
3252 | } | |
c047688c JA |
3253 | } |
3254 | } | |
3255 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
3256 | { | |
3257 | } | |
3258 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
3259 | { | |
3260 | int new_x, new_y; | |
1fb20991 RS |
3261 | struct frame *f = x_window_to_frame (event.xclient.window); |
3262 | ||
4357eba7 JB |
3263 | new_x = event.xclient.data.s[0]; |
3264 | new_y = event.xclient.data.s[1]; | |
1fb20991 RS |
3265 | |
3266 | if (f) | |
3267 | { | |
3268 | f->display.x->left_pos = new_x; | |
3269 | f->display.x->top_pos = new_y; | |
3270 | } | |
c047688c | 3271 | } |
5627c40e | 3272 | #if defined (USE_X_TOOLKIT) && defined (HAVE_X11R5) |
c2df547c RS |
3273 | else if (event.xclient.message_type == Xatom_editres_name) |
3274 | { | |
3275 | struct frame *f = x_any_window_to_frame (event.xclient.window); | |
3276 | _XEditResCheckMessages (f->display.x->widget, NULL, &event, NULL); | |
3277 | } | |
5627c40e | 3278 | #endif /* USE_X_TOOLKIT and HAVE_X11R5 */ |
c047688c JA |
3279 | } |
3280 | break; | |
dc6f92b8 | 3281 | |
d56a553a | 3282 | case SelectionNotify: |
3afe33e7 | 3283 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3284 | if (! x_window_to_frame (event.xselection.requestor)) |
3afe33e7 | 3285 | goto OTHER; |
3afe33e7 | 3286 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3287 | x_handle_selection_notify (&event); |
d56a553a | 3288 | break; |
d56a553a | 3289 | |
dc6f92b8 | 3290 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3291 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3292 | if (! x_window_to_frame (event.xselectionclear.window)) |
3293 | goto OTHER; | |
3afe33e7 | 3294 | #endif /* USE_X_TOOLKIT */ |
b2bd9b6a | 3295 | { |
d56a553a RS |
3296 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; |
3297 | ||
3298 | if (numchars == 0) | |
3299 | abort (); | |
3300 | ||
3301 | bufp->kind = selection_clear_event; | |
3302 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3303 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3304 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3305 | bufp++; | |
3306 | ||
3307 | count += 1; | |
3308 | numchars -= 1; | |
3afe33e7 | 3309 | } |
dc6f92b8 JB |
3310 | break; |
3311 | ||
3312 | case SelectionRequest: /* Someone wants our selection. */ | |
3afe33e7 | 3313 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3314 | if (!x_window_to_frame (event.xselectionrequest.owner)) |
3315 | goto OTHER; | |
3afe33e7 | 3316 | #endif /* USE_X_TOOLKIT */ |
09756a85 RS |
3317 | if (x_queue_selection_requests) |
3318 | x_queue_event (&event); | |
3319 | else | |
3320 | { | |
3321 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
3322 | ||
3323 | if (numchars == 0) | |
3324 | abort (); | |
3325 | ||
3326 | bufp->kind = selection_request_event; | |
3327 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3328 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3329 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3330 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3331 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3332 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3333 | bufp++; | |
3334 | ||
3335 | count += 1; | |
3336 | numchars -= 1; | |
3337 | } | |
dc6f92b8 JB |
3338 | break; |
3339 | ||
3340 | case PropertyNotify: | |
3afe33e7 | 3341 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3342 | if (!x_any_window_to_frame (event.xproperty.window)) |
3afe33e7 | 3343 | goto OTHER; |
3afe33e7 | 3344 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3345 | x_handle_property_notify (&event); |
dc6f92b8 JB |
3346 | break; |
3347 | ||
3bd330d4 | 3348 | case ReparentNotify: |
3a35ab44 | 3349 | f = x_top_window_to_frame (event.xreparent.window); |
3bd330d4 | 3350 | if (f) |
3a35ab44 RS |
3351 | { |
3352 | int x, y; | |
3353 | f->display.x->parent_desc = event.xreparent.parent; | |
3354 | x_real_positions (f, &x, &y); | |
3355 | f->display.x->left_pos = x; | |
3356 | f->display.x->top_pos = y; | |
3357 | } | |
3bd330d4 RS |
3358 | break; |
3359 | ||
dc6f92b8 | 3360 | case Expose: |
f676886a JB |
3361 | f = x_window_to_frame (event.xexpose.window); |
3362 | if (f) | |
dc6f92b8 | 3363 | { |
3a88c238 | 3364 | if (f->async_visible == 0) |
dc6f92b8 | 3365 | { |
3a88c238 JB |
3366 | f->async_visible = 1; |
3367 | f->async_iconified = 0; | |
f676886a | 3368 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
3369 | } |
3370 | else | |
b2bd9b6a RS |
3371 | dumprectangle (x_window_to_frame (event.xexpose.window), |
3372 | event.xexpose.x, event.xexpose.y, | |
3373 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
3374 | } |
3375 | else | |
3376 | { | |
ab648270 JB |
3377 | struct scroll_bar *bar |
3378 | = x_window_to_scroll_bar (event.xexpose.window); | |
3afe33e7 | 3379 | |
f451eb13 | 3380 | if (bar) |
3afe33e7 RS |
3381 | x_scroll_bar_expose (bar, &event); |
3382 | #ifdef USE_X_TOOLKIT | |
3383 | else | |
3384 | goto OTHER; | |
3385 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3386 | } |
3387 | break; | |
3388 | ||
3389 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
3390 | source area was obscured or not | |
3391 | available.*/ | |
f451eb13 JB |
3392 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
3393 | if (f) | |
3394 | { | |
3395 | dumprectangle (f, | |
3396 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3397 | event.xgraphicsexpose.width, | |
3398 | event.xgraphicsexpose.height); | |
f451eb13 | 3399 | } |
3afe33e7 RS |
3400 | #ifdef USE_X_TOOLKIT |
3401 | else | |
3402 | goto OTHER; | |
3403 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3404 | break; |
3405 | ||
3406 | case NoExpose: /* This occurs when an XCopyArea's | |
3407 | source area was completely | |
3408 | available */ | |
3409 | break; | |
dc6f92b8 | 3410 | |
dc6f92b8 | 3411 | case UnmapNotify: |
dc05a16b | 3412 | f = x_any_window_to_frame (event.xunmap.window); |
f451eb13 | 3413 | if (f) /* F may no longer exist if |
f676886a | 3414 | the frame was deleted. */ |
f451eb13 JB |
3415 | { |
3416 | /* While a frame is unmapped, display generation is | |
3417 | disabled; you don't want to spend time updating a | |
3418 | display that won't ever be seen. */ | |
3419 | f->async_visible = 0; | |
5627c40e RS |
3420 | /* We can't distinguish, from the event, whether the window |
3421 | has become iconified or invisible. So assume, if it | |
3422 | was previously visible, than now it is iconified. | |
3423 | We depend on x_make_frame_invisible to mark it iconified. */ | |
9319ae23 RS |
3424 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
3425 | f->async_iconified = 1; | |
f451eb13 | 3426 | } |
3afe33e7 RS |
3427 | #ifdef USE_X_TOOLKIT |
3428 | goto OTHER; | |
3429 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3430 | break; |
3431 | ||
3432 | case MapNotify: | |
b2bd9b6a RS |
3433 | /* We use x_top_window_to_frame because map events can come |
3434 | for subwindows and they don't mean that the frame is visible. */ | |
5627c40e | 3435 | f = x_top_window_to_frame (event.xmap.window); |
f676886a | 3436 | if (f) |
dc6f92b8 | 3437 | { |
3a88c238 JB |
3438 | f->async_visible = 1; |
3439 | f->async_iconified = 0; | |
dc6f92b8 JB |
3440 | |
3441 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
3442 | the frame's display structures. */ |
3443 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 | 3444 | } |
3afe33e7 RS |
3445 | #ifdef USE_X_TOOLKIT |
3446 | goto OTHER; | |
3447 | #endif /* USE_X_TOOLKIT */ | |
b2bd9b6a | 3448 | break; |
dc6f92b8 JB |
3449 | |
3450 | /* Turn off processing if we become fully obscured. */ | |
3451 | case VisibilityNotify: | |
3452 | break; | |
3453 | ||
dc6f92b8 | 3454 | case KeyPress: |
1dea5a83 | 3455 | f = x_any_window_to_frame (event.xkey.window); |
f451eb13 | 3456 | |
f676886a | 3457 | if (f != 0) |
dc6f92b8 | 3458 | { |
2d368234 | 3459 | KeySym keysym, orig_keysym; |
bf6d8fb9 RS |
3460 | /* al%imercury@uunet.uu.net says that making this 81 instead of |
3461 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3462 | unsigned char copy_buffer[81]; | |
64bb1782 RS |
3463 | int modifiers; |
3464 | ||
dfeccd2d JB |
3465 | event.xkey.state |
3466 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 3467 | modifiers = event.xkey.state; |
3a2712f9 | 3468 | |
11edeb03 | 3469 | /* This will have to go some day... */ |
752a043f JB |
3470 | |
3471 | /* make_lispy_event turns chars into control chars. | |
3472 | Don't do it here because XLookupString is too eager. */ | |
3473 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
3474 | nbytes = |
3475 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
3476 | &compose_status); | |
dc6f92b8 | 3477 | |
2d368234 | 3478 | orig_keysym = keysym; |
55123275 | 3479 | |
dc6f92b8 JB |
3480 | if (numchars > 1) |
3481 | { | |
64a07219 JB |
3482 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) |
3483 | || keysym == XK_Delete | |
3484 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3485 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3486 | #ifdef HPUX |
64a07219 JB |
3487 | /* This recognizes the "extended function keys". |
3488 | It seems there's no cleaner way. | |
3489 | Test IsModifierKey to avoid handling mode_switch | |
3490 | incorrectly. */ | |
3491 | || ((unsigned) (keysym) >= XK_Select | |
3492 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3493 | #endif |
3494 | #ifdef XK_dead_circumflex | |
3495 | || orig_keysym == XK_dead_circumflex | |
3496 | #endif | |
3497 | #ifdef XK_dead_grave | |
3498 | || orig_keysym == XK_dead_grave | |
3499 | #endif | |
3500 | #ifdef XK_dead_tilde | |
3501 | || orig_keysym == XK_dead_tilde | |
3502 | #endif | |
3503 | #ifdef XK_dead_diaeresis | |
3504 | || orig_keysym == XK_dead_diaeresis | |
3505 | #endif | |
3506 | #ifdef XK_dead_macron | |
3507 | || orig_keysym == XK_dead_macron | |
3508 | #endif | |
3509 | #ifdef XK_dead_degree | |
3510 | || orig_keysym == XK_dead_degree | |
3511 | #endif | |
3512 | #ifdef XK_dead_acute | |
3513 | || orig_keysym == XK_dead_acute | |
3514 | #endif | |
3515 | #ifdef XK_dead_cedilla | |
3516 | || orig_keysym == XK_dead_cedilla | |
3517 | #endif | |
3518 | #ifdef XK_dead_breve | |
3519 | || orig_keysym == XK_dead_breve | |
3520 | #endif | |
3521 | #ifdef XK_dead_ogonek | |
3522 | || orig_keysym == XK_dead_ogonek | |
3523 | #endif | |
3524 | #ifdef XK_dead_caron | |
3525 | || orig_keysym == XK_dead_caron | |
3526 | #endif | |
3527 | #ifdef XK_dead_doubleacute | |
3528 | || orig_keysym == XK_dead_doubleacute | |
3529 | #endif | |
3530 | #ifdef XK_dead_abovedot | |
3531 | || orig_keysym == XK_dead_abovedot | |
c34790e0 | 3532 | #endif |
64a07219 JB |
3533 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3534 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
05f6617d RS |
3535 | /* Any "vendor-specific" key is ok. */ |
3536 | || (orig_keysym & (1 << 28))) | |
7719aa06 RS |
3537 | && ! (IsModifierKey (orig_keysym) |
3538 | #ifndef HAVE_X11R5 | |
3539 | #ifdef XK_Mode_switch | |
3540 | || ((unsigned)(orig_keysym) == XK_Mode_switch) | |
3541 | #endif | |
3542 | #ifdef XK_Num_Lock | |
3543 | || ((unsigned)(orig_keysym) == XK_Num_Lock) | |
3544 | #endif | |
3545 | #endif /* not HAVE_X11R5 */ | |
3546 | )) | |
dc6f92b8 | 3547 | { |
10e6549c RS |
3548 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3549 | temp_index = 0; | |
3550 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 3551 | bufp->kind = non_ascii_keystroke; |
69388238 | 3552 | bufp->code = keysym; |
12ba150f | 3553 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3554 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3555 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3556 | bufp++; |
3557 | count++; | |
3558 | numchars--; | |
3559 | } | |
3560 | else if (numchars > nbytes) | |
3561 | { | |
3562 | register int i; | |
3563 | ||
10e6549c | 3564 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 3565 | { |
10e6549c RS |
3566 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3567 | temp_index = 0; | |
3568 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 3569 | bufp->kind = ascii_keystroke; |
69388238 | 3570 | bufp->code = copy_buffer[i]; |
12ba150f | 3571 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3572 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3573 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3574 | bufp++; |
3575 | } | |
dc6f92b8 JB |
3576 | |
3577 | count += nbytes; | |
3578 | numchars -= nbytes; | |
3579 | } | |
10e6549c RS |
3580 | else |
3581 | abort (); | |
dc6f92b8 | 3582 | } |
10e6549c RS |
3583 | else |
3584 | abort (); | |
dc6f92b8 JB |
3585 | } |
3586 | break; | |
f451eb13 JB |
3587 | |
3588 | /* Here's a possible interpretation of the whole | |
3589 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3590 | FocusIn event, you have to get a FocusOut event before you | |
3591 | relinquish the focus. If you haven't received a FocusIn event, | |
3592 | then a mere LeaveNotify is enough to free you. */ | |
3593 | ||
dc6f92b8 | 3594 | case EnterNotify: |
1dea5a83 | 3595 | f = x_any_window_to_frame (event.xcrossing.window); |
6d4238f3 | 3596 | |
f451eb13 | 3597 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3598 | { |
dc6f92b8 | 3599 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
3600 | if (f && (!(f->auto_raise) |
3601 | || !(f->auto_lower) | |
dc6f92b8 JB |
3602 | || (event.xcrossing.time - enter_timestamp) > 500)) |
3603 | { | |
f676886a | 3604 | x_new_focus_frame (f); |
dc6f92b8 JB |
3605 | enter_timestamp = event.xcrossing.time; |
3606 | } | |
dc6f92b8 | 3607 | } |
f676886a JB |
3608 | else if (f == x_focus_frame) |
3609 | x_new_focus_frame (0); | |
da893f1f RS |
3610 | /* EnterNotify counts as mouse movement, |
3611 | so update things that depend on mouse position. */ | |
3612 | if (f) | |
3613 | note_mouse_movement (f, &event.xmotion); | |
3afe33e7 RS |
3614 | #ifdef USE_X_TOOLKIT |
3615 | goto OTHER; | |
3616 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3617 | break; |
3618 | ||
3619 | case FocusIn: | |
1dea5a83 | 3620 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3621 | if (event.xfocus.detail != NotifyPointer) |
3622 | x_focus_event_frame = f; | |
f676886a JB |
3623 | if (f) |
3624 | x_new_focus_frame (f); | |
3afe33e7 RS |
3625 | #ifdef USE_X_TOOLKIT |
3626 | goto OTHER; | |
3627 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3628 | break; |
3629 | ||
f451eb13 | 3630 | |
dc6f92b8 | 3631 | case LeaveNotify: |
10c5e63d KH |
3632 | f = x_top_window_to_frame (event.xcrossing.window); |
3633 | if (f) | |
f451eb13 | 3634 | { |
10c5e63d KH |
3635 | if (f == mouse_face_mouse_frame) |
3636 | /* If we move outside the frame, | |
3637 | then we're certainly no longer on any text in the frame. */ | |
3638 | clear_mouse_face (); | |
3639 | ||
3640 | if (event.xcrossing.focus) | |
3641 | { | |
3642 | if (! x_focus_event_frame) | |
3643 | x_new_focus_frame (0); | |
3644 | else | |
3645 | x_new_focus_frame (f); | |
3646 | } | |
3647 | else | |
3648 | { | |
3649 | if (f == x_focus_event_frame) | |
3650 | x_focus_event_frame = 0; | |
3651 | if (f == x_focus_frame) | |
3652 | x_new_focus_frame (0); | |
3653 | } | |
dc6f92b8 | 3654 | } |
3afe33e7 RS |
3655 | #ifdef USE_X_TOOLKIT |
3656 | goto OTHER; | |
3657 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3658 | break; |
3659 | ||
3660 | case FocusOut: | |
1dea5a83 | 3661 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3662 | if (event.xfocus.detail != NotifyPointer |
3663 | && f == x_focus_event_frame) | |
3664 | x_focus_event_frame = 0; | |
f676886a JB |
3665 | if (f && f == x_focus_frame) |
3666 | x_new_focus_frame (0); | |
3afe33e7 RS |
3667 | #ifdef USE_X_TOOLKIT |
3668 | goto OTHER; | |
3669 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3670 | break; |
3671 | ||
dc6f92b8 JB |
3672 | case MotionNotify: |
3673 | { | |
23faf38f RS |
3674 | if (x_mouse_grabbed && last_mouse_frame |
3675 | && FRAME_LIVE_P (last_mouse_frame)) | |
69388238 RS |
3676 | f = last_mouse_frame; |
3677 | else | |
3678 | f = x_window_to_frame (event.xmotion.window); | |
f676886a | 3679 | if (f) |
12ba150f | 3680 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 3681 | else |
dc6f92b8 | 3682 | { |
69388238 RS |
3683 | struct scroll_bar *bar |
3684 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3685 | |
3686 | if (bar) | |
ab648270 | 3687 | x_scroll_bar_note_movement (bar, &event); |
b8009dd1 RS |
3688 | |
3689 | /* If we move outside the frame, | |
3690 | then we're certainly no longer on any text in the frame. */ | |
3691 | clear_mouse_face (); | |
dc6f92b8 | 3692 | } |
dc6f92b8 | 3693 | } |
0a178815 RS |
3694 | #if 0 /* This should be unnecessary, since the toolkit has no use |
3695 | for motion events that happen outside of the menu event loop, | |
3696 | and it seems to cause the bug that mouse events stop coming | |
3697 | after a while. */ | |
3afe33e7 RS |
3698 | #ifdef USE_X_TOOLKIT |
3699 | goto OTHER; | |
3700 | #endif /* USE_X_TOOLKIT */ | |
0a178815 | 3701 | #endif |
dc6f92b8 JB |
3702 | break; |
3703 | ||
3704 | case ConfigureNotify: | |
13ce2d73 | 3705 | f = x_any_window_to_frame (event.xconfigure.window); |
3afe33e7 | 3706 | #ifdef USE_X_TOOLKIT |
13ce2d73 | 3707 | if (f |
3a35ab44 | 3708 | #if 0 |
13ce2d73 | 3709 | && ! event.xconfigure.send_event |
3a35ab44 | 3710 | #endif |
13ce2d73 FP |
3711 | && (event.xconfigure.window == XtWindow (f->display.x->widget))) |
3712 | { | |
3713 | Window win, child; | |
3714 | int win_x, win_y; | |
3715 | ||
3716 | /* Find the position of the outside upper-left corner of | |
3717 | the window, in the root coordinate system. Don't | |
3718 | refer to the parent window here; we may be processing | |
3719 | this event after the window manager has changed our | |
3720 | parent, but before we have reached the ReparentNotify. */ | |
3721 | XTranslateCoordinates (x_current_display, | |
3722 | ||
3723 | /* From-window, to-window. */ | |
3724 | XtWindow (f->display.x->widget), | |
3725 | ROOT_WINDOW, | |
3726 | ||
3727 | /* From-position, to-position. */ | |
3728 | -event.xconfigure.border_width, | |
3729 | -event.xconfigure.border_width, | |
3730 | &win_x, &win_y, | |
3731 | ||
3732 | /* Child of win. */ | |
3733 | &child); | |
3734 | event.xconfigure.x = win_x; | |
3735 | event.xconfigure.y = win_y; | |
3736 | ||
3737 | f->display.x->pixel_width = event.xconfigure.width; | |
3738 | f->display.x->pixel_height = event.xconfigure.height; | |
3739 | f->display.x->left_pos = event.xconfigure.x; | |
3740 | f->display.x->top_pos = event.xconfigure.y; | |
3a35ab44 RS |
3741 | |
3742 | /* What we have now is the position of Emacs's own window. | |
3743 | Convert that to the position of the window manager window. */ | |
3744 | { | |
3745 | int x, y; | |
3746 | x_real_positions (f, &x, &y); | |
3747 | f->display.x->left_pos = x; | |
3748 | f->display.x->top_pos = y; | |
3749 | } | |
13ce2d73 FP |
3750 | } |
3751 | goto OTHER; | |
3afe33e7 | 3752 | #else /* not USE_X_TOOLKIT */ |
dbc4e1c1 JB |
3753 | if (f) |
3754 | { | |
3755 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3756 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3757 | ||
3758 | /* Even if the number of character rows and columns has | |
3759 | not changed, the font size may have changed, so we need | |
3760 | to check the pixel dimensions as well. */ | |
3761 | if (columns != f->width | |
3762 | || rows != f->height | |
3763 | || event.xconfigure.width != f->display.x->pixel_width | |
3764 | || event.xconfigure.height != f->display.x->pixel_height) | |
3765 | { | |
3766 | change_frame_size (f, rows, columns, 0, 1); | |
3767 | SET_FRAME_GARBAGED (f); | |
3768 | } | |
dc6f92b8 | 3769 | |
3bd330d4 | 3770 | if (! event.xconfigure.send_event) |
af395ec1 RS |
3771 | { |
3772 | Window win, child; | |
3773 | int win_x, win_y; | |
3774 | ||
6cc35d86 JB |
3775 | /* Find the position of the outside upper-left corner of |
3776 | the window, in the root coordinate system. Don't | |
3777 | refer to the parent window here; we may be processing | |
3778 | this event after the window manager has changed our | |
3779 | parent, but before we have reached the ReparentNotify. */ | |
af395ec1 RS |
3780 | XTranslateCoordinates (x_current_display, |
3781 | ||
3782 | /* From-window, to-window. */ | |
6cc35d86 | 3783 | f->display.x->window_desc, |
3bd330d4 | 3784 | ROOT_WINDOW, |
af395ec1 RS |
3785 | |
3786 | /* From-position, to-position. */ | |
6cc35d86 JB |
3787 | -event.xconfigure.border_width, |
3788 | -event.xconfigure.border_width, | |
af395ec1 RS |
3789 | &win_x, &win_y, |
3790 | ||
3791 | /* Child of win. */ | |
3792 | &child); | |
3793 | event.xconfigure.x = win_x; | |
3794 | event.xconfigure.y = win_y; | |
3795 | } | |
3796 | ||
dbc4e1c1 JB |
3797 | f->display.x->pixel_width = event.xconfigure.width; |
3798 | f->display.x->pixel_height = event.xconfigure.height; | |
3799 | f->display.x->left_pos = event.xconfigure.x; | |
3800 | f->display.x->top_pos = event.xconfigure.y; | |
3a35ab44 RS |
3801 | |
3802 | /* What we have now is the position of Emacs's own window. | |
3803 | Convert that to the position of the window manager window. */ | |
3804 | { | |
3805 | int x, y; | |
3806 | x_real_positions (f, &x, &y); | |
3807 | f->display.x->left_pos = x; | |
3808 | f->display.x->top_pos = y; | |
fd13dbb2 RS |
3809 | if (y != event.xconfigure.y) |
3810 | { | |
3811 | /* Since the WM decorations come below top_pos now, | |
3812 | we must put them below top_pos in the future. */ | |
3813 | f->display.x->win_gravity = NorthWestGravity; | |
3814 | x_wm_set_size_hint (f, 0, 0); | |
3815 | } | |
3a35ab44 | 3816 | } |
dbc4e1c1 | 3817 | } |
3afe33e7 | 3818 | #endif /* not USE_X_TOOLKIT */ |
dbc4e1c1 | 3819 | break; |
dc6f92b8 JB |
3820 | |
3821 | case ButtonPress: | |
3822 | case ButtonRelease: | |
3823 | { | |
3824 | /* If we decide we want to generate an event to be seen | |
3825 | by the rest of Emacs, we put it here. */ | |
3826 | struct input_event emacs_event; | |
3827 | emacs_event.kind = no_event; | |
3828 | ||
9b07615b RS |
3829 | bzero (&compose_status, sizeof (compose_status)); |
3830 | ||
f676886a JB |
3831 | f = x_window_to_frame (event.xbutton.window); |
3832 | if (f) | |
f451eb13 JB |
3833 | { |
3834 | if (!x_focus_frame || (f == x_focus_frame)) | |
69388238 | 3835 | construct_mouse_click (&emacs_event, &event, f); |
f451eb13 | 3836 | } |
dc6f92b8 | 3837 | else |
f451eb13 | 3838 | { |
fb3b7de5 RS |
3839 | struct scroll_bar *bar |
3840 | = x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3841 | |
3842 | if (bar) | |
ab648270 | 3843 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
3afe33e7 RS |
3844 | #ifdef USE_X_TOOLKIT |
3845 | else | |
3846 | { | |
3847 | f = x_any_window_to_frame (event.xbutton.window); | |
3848 | if (f && event.type == ButtonPress) | |
3849 | construct_menu_click (&emacs_event, | |
3850 | &event, f); | |
3851 | } | |
3852 | #endif /* USE_X_TOOLKIT */ | |
f451eb13 | 3853 | } |
dc6f92b8 | 3854 | |
23faf38f RS |
3855 | if (event.type == ButtonPress) |
3856 | { | |
3857 | x_mouse_grabbed |= (1 << event.xbutton.button); | |
3858 | Vmouse_depressed = Qt; | |
3859 | last_mouse_frame = f; | |
3860 | } | |
3861 | else | |
3862 | { | |
3863 | x_mouse_grabbed &= ~(1 << event.xbutton.button); | |
3864 | if (!x_mouse_grabbed) | |
3865 | Vmouse_depressed = Qnil; | |
3866 | } | |
3867 | ||
dc6f92b8 JB |
3868 | if (numchars >= 1 && emacs_event.kind != no_event) |
3869 | { | |
3870 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3871 | bufp++; | |
3872 | count++; | |
3873 | numchars--; | |
3874 | } | |
3afe33e7 RS |
3875 | |
3876 | #ifdef USE_X_TOOLKIT | |
3877 | goto OTHER; | |
3878 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3879 | } |
3880 | break; | |
3881 | ||
dc6f92b8 JB |
3882 | case CirculateNotify: |
3883 | break; | |
3884 | case CirculateRequest: | |
3885 | break; | |
3886 | ||
dc6f92b8 | 3887 | case MappingNotify: |
11edeb03 JB |
3888 | /* Someone has changed the keyboard mapping - update the |
3889 | local cache. */ | |
3890 | switch (event.xmapping.request) | |
3891 | { | |
3892 | case MappingModifier: | |
3893 | x_find_modifier_meanings (); | |
3894 | /* This is meant to fall through. */ | |
3895 | case MappingKeyboard: | |
3896 | XRefreshKeyboardMapping (&event.xmapping); | |
3897 | } | |
3afe33e7 RS |
3898 | #ifdef USE_X_TOOLKIT |
3899 | goto OTHER; | |
3900 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3901 | break; |
3902 | ||
3903 | default: | |
3afe33e7 RS |
3904 | #ifdef USE_X_TOOLKIT |
3905 | OTHER: | |
3906 | BLOCK_INPUT; | |
3907 | XtDispatchEvent (&event); | |
3908 | UNBLOCK_INPUT; | |
3909 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3910 | break; |
3911 | } | |
3912 | } | |
3913 | ||
9a5196d0 RS |
3914 | /* On some systems, an X bug causes Emacs to get no more events |
3915 | when the window is destroyed. Detect that. (1994.) */ | |
ef2a22d0 RS |
3916 | if (! event_found) |
3917 | { | |
ef2a22d0 RS |
3918 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. |
3919 | One XNOOP in 100 loops will make Emacs terminate. | |
3920 | B. Bretthauer, 1994 */ | |
3921 | x_noop_count++; | |
3922 | if (x_noop_count >= 100) | |
3923 | { | |
3924 | x_noop_count=0; | |
3925 | XNoOp (x_current_display); | |
3926 | } | |
3927 | } | |
502add23 | 3928 | |
7071e5dd RS |
3929 | #if 0 /* This fails for serial-line connections to the X server, |
3930 | because the characters arrive one by one, and a partial | |
3931 | command makes select return but gives nothing to read. | |
3932 | We'll have to hope that the bug that this tried to fix | |
3933 | in 1988 has been fixed in Xlib or the X server. */ | |
dc6f92b8 JB |
3934 | #ifdef HAVE_SELECT |
3935 | if (expected && ! event_found) | |
3936 | { | |
3937 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3938 | there is an EOF condition; in other words, that X has died. | |
3939 | Act as if there had been a hangup. */ | |
dc6f92b8 | 3940 | int fd = ConnectionNumber (x_current_display); |
307feb1f | 3941 | SELECT_TYPE mask, junk1, junk2; |
66f55a9d | 3942 | EMACS_TIME timeout; |
dc6f92b8 | 3943 | |
61c3ce62 RS |
3944 | FD_ZERO (&mask); |
3945 | FD_SET (fd, &mask); | |
66f55a9d | 3946 | EMACS_SET_SECS_USECS (timeout, 0, 0); |
307feb1f RS |
3947 | FD_ZERO (&junk1); |
3948 | FD_ZERO (&junk2); | |
3949 | if (0 != select (fd + 1, &mask, &junk1, &junk2, &timeout) | |
dc6f92b8 JB |
3950 | && !XStuffPending ()) |
3951 | kill (getpid (), SIGHUP); | |
3952 | } | |
61c3ce62 | 3953 | #endif /* HAVE_SELECT */ |
7071e5dd | 3954 | #endif /* 0 */ |
dc6f92b8 | 3955 | |
0134a210 RS |
3956 | /* If the focus was just given to an autoraising frame, |
3957 | raise it now. */ | |
0134a210 RS |
3958 | if (pending_autoraise_frame) |
3959 | { | |
3960 | x_raise_frame (pending_autoraise_frame); | |
3961 | pending_autoraise_frame = 0; | |
3962 | } | |
0134a210 | 3963 | |
dc6f92b8 JB |
3964 | UNBLOCK_INPUT; |
3965 | return count; | |
3966 | } | |
dc6f92b8 | 3967 | \f |
f451eb13 JB |
3968 | /* Drawing the cursor. */ |
3969 | ||
3970 | ||
dc6f92b8 JB |
3971 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3972 | ||
3973 | static void | |
f676886a JB |
3974 | x_draw_box (f) |
3975 | struct frame *f; | |
dc6f92b8 | 3976 | { |
2a6cf806 RS |
3977 | int left = CHAR_TO_PIXEL_COL (f, curs_x); |
3978 | int top = CHAR_TO_PIXEL_ROW (f, curs_y); | |
f676886a | 3979 | int width = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 3980 | int height = f->display.x->line_height; |
dc6f92b8 | 3981 | |
c118dd06 | 3982 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3983 | f->display.x->cursor_gc, |
dc6f92b8 | 3984 | left, top, width - 1, height - 1); |
dc6f92b8 JB |
3985 | } |
3986 | ||
f676886a | 3987 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3988 | and mark the cursor as not shown. |
3989 | This is used when the text where the cursor is | |
3990 | is about to be rewritten. */ | |
3991 | ||
3992 | static void | |
f676886a JB |
3993 | clear_cursor (f) |
3994 | struct frame *f; | |
dc6f92b8 JB |
3995 | { |
3996 | int mask; | |
3997 | ||
f451eb13 | 3998 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3999 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4000 | return; |
4001 | ||
f676886a | 4002 | x_display_cursor (f, 0); |
f676886a | 4003 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4004 | } |
4005 | ||
f676886a | 4006 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4007 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4008 | glyph drawn. */ | |
dc6f92b8 JB |
4009 | |
4010 | static void | |
f676886a JB |
4011 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4012 | struct frame *f; | |
dc6f92b8 | 4013 | int row, column; |
90e65f07 | 4014 | GLYPH glyph; |
dc6f92b8 JB |
4015 | int highlight; |
4016 | { | |
f676886a | 4017 | dumpglyphs (f, |
12ba150f JB |
4018 | CHAR_TO_PIXEL_COL (f, column), |
4019 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4020 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4021 | } |
4022 | ||
dc6f92b8 | 4023 | static void |
dbc4e1c1 | 4024 | x_display_bar_cursor (f, on) |
f676886a | 4025 | struct frame *f; |
dc6f92b8 JB |
4026 | int on; |
4027 | { | |
f676886a | 4028 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4029 | |
49d838ea JB |
4030 | /* This is pointless on invisible frames, and dangerous on garbaged |
4031 | frames; in the latter case, the frame may be in the midst of | |
4032 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4033 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
4034 | return; |
4035 | ||
4036 | if (! on && f->phys_cursor_x < 0) | |
4037 | return; | |
4038 | ||
f676886a | 4039 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 4040 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 4041 | if (f != updating_frame) |
1113d9db | 4042 | { |
f676886a JB |
4043 | curs_x = FRAME_CURSOR_X (f); |
4044 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
4045 | } |
4046 | ||
dbc4e1c1 JB |
4047 | /* If there is anything wrong with the current cursor state, remove it. */ |
4048 | if (f->phys_cursor_x >= 0 | |
4049 | && (!on | |
4050 | || f->phys_cursor_x != curs_x | |
4051 | || f->phys_cursor_y != curs_y | |
4052 | || f->display.x->current_cursor != bar_cursor)) | |
4053 | { | |
4054 | /* Erase the cursor by redrawing the character underneath it. */ | |
4055 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4056 | f->phys_cursor_glyph, | |
4057 | current_glyphs->highlight[f->phys_cursor_y]); | |
4058 | f->phys_cursor_x = -1; | |
4059 | } | |
4060 | ||
4061 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4062 | if (on | |
4063 | && (f->phys_cursor_x < 0 | |
4064 | || (f->display.x->current_cursor != bar_cursor))) | |
4065 | { | |
4066 | f->phys_cursor_glyph | |
4067 | = ((current_glyphs->enable[curs_y] | |
4068 | && curs_x < current_glyphs->used[curs_y]) | |
4069 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4070 | : SPACEGLYPH); | |
4071 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
4072 | f->display.x->cursor_gc, | |
4073 | CHAR_TO_PIXEL_COL (f, curs_x), | |
4074 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
a27f9f86 | 4075 | 1, f->display.x->line_height); |
dbc4e1c1 JB |
4076 | |
4077 | f->phys_cursor_x = curs_x; | |
4078 | f->phys_cursor_y = curs_y; | |
4079 | ||
4080 | f->display.x->current_cursor = bar_cursor; | |
4081 | } | |
4082 | ||
4083 | if (updating_frame != f) | |
4084 | XFlushQueue (); | |
4085 | } | |
4086 | ||
4087 | ||
4088 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4089 | If ON is nonzero, where to put the cursor is specified | |
4090 | by F->cursor_x and F->cursor_y. */ | |
4091 | ||
4092 | static void | |
4093 | x_display_box_cursor (f, on) | |
4094 | struct frame *f; | |
4095 | int on; | |
4096 | { | |
4097 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4098 | ||
49d838ea JB |
4099 | /* This is pointless on invisible frames, and dangerous on garbaged |
4100 | frames; in the latter case, the frame may be in the midst of | |
4101 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4102 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
4103 | return; |
4104 | ||
4105 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4106 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4107 | return; |
4108 | ||
dbc4e1c1 JB |
4109 | /* If we're not updating, then we want to use the current frame's |
4110 | cursor position, not our local idea of where the cursor ought to be. */ | |
4111 | if (f != updating_frame) | |
4112 | { | |
4113 | curs_x = FRAME_CURSOR_X (f); | |
4114 | curs_y = FRAME_CURSOR_Y (f); | |
4115 | } | |
4116 | ||
dc6f92b8 JB |
4117 | /* If cursor is currently being shown and we don't want it to be |
4118 | or it is in the wrong place, | |
4119 | or we want a hollow box and it's not so, (pout!) | |
4120 | erase it. */ | |
f676886a | 4121 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4122 | && (!on |
f676886a JB |
4123 | || f->phys_cursor_x != curs_x |
4124 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 4125 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 4126 | && (f != x_highlight_frame)))) |
dc6f92b8 | 4127 | { |
79cf7456 RS |
4128 | int mouse_face_here = 0; |
4129 | ||
4130 | /* If the cursor is in the mouse face area, redisplay that when | |
4131 | we clear the cursor. */ | |
4132 | if (f == mouse_face_mouse_frame | |
4133 | && | |
4134 | (f->phys_cursor_y > mouse_face_beg_row | |
4135 | || (f->phys_cursor_y == mouse_face_beg_row | |
4136 | && f->phys_cursor_x >= mouse_face_beg_col)) | |
4137 | && | |
4138 | (f->phys_cursor_y < mouse_face_end_row | |
4139 | || (f->phys_cursor_y == mouse_face_end_row | |
4140 | && f->phys_cursor_x < mouse_face_end_col))) | |
4141 | mouse_face_here = 1; | |
4142 | ||
0cdd0c9f RS |
4143 | /* If the font is not as tall as a whole line, |
4144 | we must explicitly clear the line's whole height. */ | |
4145 | if (FONT_HEIGHT (f->display.x->font) != f->display.x->line_height) | |
4146 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
4147 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), | |
4148 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
4149 | FONT_WIDTH (f->display.x->font), | |
4150 | f->display.x->line_height, False); | |
dc6f92b8 | 4151 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4152 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4153 | f->phys_cursor_glyph, | |
79cf7456 RS |
4154 | (mouse_face_here |
4155 | ? 3 | |
4156 | : current_glyphs->highlight[f->phys_cursor_y])); | |
f676886a | 4157 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4158 | } |
4159 | ||
4160 | /* If we want to show a cursor, | |
4161 | or we want a box cursor and it's not so, | |
4162 | write it in the right place. */ | |
4163 | if (on | |
f676886a | 4164 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 4165 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 4166 | && f == x_highlight_frame))) |
dc6f92b8 | 4167 | { |
f676886a | 4168 | f->phys_cursor_glyph |
1113d9db JB |
4169 | = ((current_glyphs->enable[curs_y] |
4170 | && curs_x < current_glyphs->used[curs_y]) | |
4171 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 4172 | : SPACEGLYPH); |
f676886a | 4173 | if (f != x_highlight_frame) |
dc6f92b8 | 4174 | { |
f676886a | 4175 | x_draw_box (f); |
dbc4e1c1 | 4176 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4177 | } |
4178 | else | |
4179 | { | |
f676886a JB |
4180 | x_draw_single_glyph (f, curs_y, curs_x, |
4181 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 4182 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4183 | } |
4184 | ||
f676886a JB |
4185 | f->phys_cursor_x = curs_x; |
4186 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
4187 | } |
4188 | ||
f676886a | 4189 | if (updating_frame != f) |
dc6f92b8 JB |
4190 | XFlushQueue (); |
4191 | } | |
4192 | ||
f676886a JB |
4193 | x_display_cursor (f, on) |
4194 | struct frame *f; | |
dc6f92b8 JB |
4195 | int on; |
4196 | { | |
f94397b5 KH |
4197 | BLOCK_INPUT; |
4198 | ||
dbc4e1c1 | 4199 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 4200 | x_display_box_cursor (f, on); |
dbc4e1c1 | 4201 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 4202 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
4203 | else |
4204 | /* Those are the only two we have implemented! */ | |
4205 | abort (); | |
f94397b5 KH |
4206 | |
4207 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4208 | } |
4209 | \f | |
4210 | /* Icons. */ | |
4211 | ||
f676886a | 4212 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4213 | when we get an expose event for it. */ |
4214 | ||
f676886a JB |
4215 | refreshicon (f) |
4216 | struct frame *f; | |
dc6f92b8 | 4217 | { |
dc6f92b8 | 4218 | /* Normally, the window manager handles this function. */ |
dc6f92b8 JB |
4219 | } |
4220 | ||
dbc4e1c1 | 4221 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4222 | |
4223 | int | |
f676886a JB |
4224 | x_bitmap_icon (f) |
4225 | struct frame *f; | |
dc6f92b8 JB |
4226 | { |
4227 | int mask; | |
4228 | Window icon_window; | |
4229 | ||
c118dd06 | 4230 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4231 | return 1; |
4232 | ||
8583db58 RS |
4233 | if (! icon_bitmap) |
4234 | icon_bitmap = | |
4235 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), | |
4236 | gnu_bits, gnu_width, gnu_height); | |
f676886a JB |
4237 | x_wm_set_icon_pixmap (f, icon_bitmap); |
4238 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
4239 | |
4240 | return 0; | |
4241 | } | |
4242 | ||
4243 | ||
f676886a | 4244 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
4245 | |
4246 | int | |
f676886a JB |
4247 | x_text_icon (f, icon_name) |
4248 | struct frame *f; | |
dc6f92b8 JB |
4249 | char *icon_name; |
4250 | { | |
c118dd06 | 4251 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4252 | return 1; |
4253 | ||
dc6f92b8 | 4254 | if (icon_name) |
f676886a | 4255 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 4256 | else |
f676886a JB |
4257 | if (! f->display.x->icon_label) |
4258 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 4259 | |
dfeccd2d | 4260 | #if 0 |
c118dd06 | 4261 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4262 | (char *) f->display.x->icon_label); |
dfeccd2d | 4263 | #endif |
dc6f92b8 | 4264 | |
f676886a | 4265 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 4266 | x_wm_set_icon_pixmap (f, 0); |
dc6f92b8 JB |
4267 | |
4268 | return 0; | |
4269 | } | |
4270 | \f | |
4746118a JB |
4271 | /* Handling X errors. */ |
4272 | ||
12ba150f JB |
4273 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
4274 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 4275 | |
4746118a | 4276 | static SIGTYPE |
c118dd06 | 4277 | x_connection_closed () |
4746118a JB |
4278 | { |
4279 | if (_Xdebug) | |
4280 | abort (); | |
12ba150f | 4281 | |
1cd2d6d4 | 4282 | shut_down_emacs (0, 1, Qnil); |
12ba150f JB |
4283 | |
4284 | exit (70); | |
4746118a JB |
4285 | } |
4286 | ||
8922af5f JB |
4287 | /* An X error handler which prints an error message and then kills |
4288 | Emacs. This is what's normally installed as Xlib's handler for | |
4289 | protocol errors. */ | |
c118dd06 JB |
4290 | static int |
4291 | x_error_quitter (display, error) | |
4292 | Display *display; | |
4293 | XErrorEvent *error; | |
4294 | { | |
4295 | char buf[256]; | |
dc6f92b8 | 4296 | |
c118dd06 JB |
4297 | /* Note that there is no real way portable across R3/R4 to get the |
4298 | original error handler. */ | |
dc6f92b8 | 4299 | |
c118dd06 JB |
4300 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
4301 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
4302 | buf, error->request_code); | |
dc6f92b8 | 4303 | |
e09f9351 | 4304 | #if 0 |
12ba150f JB |
4305 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4306 | get an X error, so we can figure out why it happened. */ | |
4307 | abort (); | |
e09f9351 | 4308 | #endif |
12ba150f | 4309 | |
c118dd06 | 4310 | x_connection_closed (); |
dc6f92b8 JB |
4311 | } |
4312 | ||
8922af5f JB |
4313 | /* A handler for X IO errors which prints an error message and then |
4314 | kills Emacs. This is what is always installed as Xlib's handler | |
4315 | for I/O errors. */ | |
4316 | static int | |
4317 | x_io_error_quitter (display) | |
4318 | Display *display; | |
4319 | { | |
4320 | fprintf (stderr, "Connection to X server %s lost.\n", | |
4321 | XDisplayName (DisplayString (display))); | |
4322 | ||
e09f9351 | 4323 | #if 0 |
8922af5f JB |
4324 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4325 | get an X error, so we can figure out why it happened. */ | |
4326 | abort (); | |
e09f9351 | 4327 | #endif |
8922af5f JB |
4328 | |
4329 | x_connection_closed (); | |
4330 | } | |
4331 | ||
c118dd06 | 4332 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4333 | static char *x_caught_error_message; |
4334 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4335 | |
4336 | /* An X error handler which stores the error message in | |
4337 | x_caught_error_message. This is what's installed when | |
4338 | x_catch_errors is in effect. */ | |
4339 | static int | |
4340 | x_error_catcher (display, error) | |
4341 | Display *display; | |
4342 | XErrorEvent *error; | |
4343 | { | |
4344 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4345 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4346 | } |
4347 | ||
4348 | ||
4349 | /* Begin trapping X errors. | |
dc6f92b8 | 4350 | |
c118dd06 JB |
4351 | After calling this function, X protocol errors no longer cause |
4352 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4353 | |
c118dd06 JB |
4354 | Calling x_check_errors signals an Emacs error if an X error has |
4355 | occurred since the last call to x_catch_errors or x_check_errors. | |
4356 | ||
4357 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4358 | ||
bc20ebbf | 4359 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4360 | |
4361 | void | |
4362 | x_catch_errors () | |
dc6f92b8 | 4363 | { |
c118dd06 JB |
4364 | /* Make sure any errors from previous requests have been dealt with. */ |
4365 | XSync (x_current_display, False); | |
dc6f92b8 | 4366 | |
c118dd06 | 4367 | /* Set up the error buffer. */ |
60f9aad3 | 4368 | x_caught_error_message |
cef13e55 RS |
4369 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4370 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4371 | |
c118dd06 JB |
4372 | /* Install our little error handler. */ |
4373 | XHandleError (x_error_catcher); | |
4374 | } | |
16bd92ea | 4375 | |
c118dd06 JB |
4376 | /* If any X protocol errors have arrived since the last call to |
4377 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4378 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4379 | |
c118dd06 JB |
4380 | void |
4381 | x_check_errors (format) | |
4382 | char *format; | |
4383 | { | |
4384 | /* Make sure to catch any errors incurred so far. */ | |
4385 | XSync (x_current_display, False); | |
16bd92ea | 4386 | |
cef13e55 | 4387 | if (x_caught_error_message[0]) |
c118dd06 | 4388 | { |
cef13e55 | 4389 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4390 | |
cef13e55 | 4391 | sprintf (buf, format, x_caught_error_message); |
c118dd06 JB |
4392 | x_uncatch_errors (); |
4393 | error (buf); | |
4394 | } | |
4395 | } | |
4396 | ||
b849c413 RS |
4397 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4398 | ||
4399 | int | |
4400 | x_had_errors_p () | |
4401 | { | |
4402 | /* Make sure to catch any errors incurred so far. */ | |
4403 | XSync (x_current_display, False); | |
4404 | ||
4405 | return x_caught_error_message[0] != 0; | |
4406 | } | |
4407 | ||
812361a1 RS |
4408 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4409 | ||
c118dd06 JB |
4410 | void |
4411 | x_uncatch_errors () | |
4412 | { | |
9ac0d9e0 | 4413 | xfree (x_caught_error_message); |
cef13e55 | 4414 | x_caught_error_message = 0; |
c118dd06 | 4415 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
4416 | } |
4417 | ||
dc6f92b8 JB |
4418 | #if 0 |
4419 | static unsigned int x_wire_count; | |
4420 | x_trace_wire () | |
4421 | { | |
4422 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4423 | } | |
c118dd06 | 4424 | #endif /* ! 0 */ |
dc6f92b8 JB |
4425 | |
4426 | \f | |
f451eb13 JB |
4427 | /* Changing the font of the frame. */ |
4428 | ||
f676886a | 4429 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 4430 | to the font named NEWNAME. This is safe to use |
f676886a | 4431 | even before F has an actual x-window. */ |
dc6f92b8 | 4432 | |
2224a5fc RS |
4433 | struct font_info |
4434 | { | |
4435 | XFontStruct *font; | |
4436 | char *name; | |
76bcdf39 | 4437 | char *full_name; |
2224a5fc RS |
4438 | }; |
4439 | ||
dc6f92b8 | 4440 | /* A table of all the fonts we have already loaded. */ |
2224a5fc | 4441 | static struct font_info *x_font_table; |
dc6f92b8 JB |
4442 | |
4443 | /* The current capacity of x_font_table. */ | |
4444 | static int x_font_table_size; | |
4445 | ||
4446 | /* The number of fonts actually stored in x_font_table. | |
4447 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
4448 | 0 <= n_fonts <= x_font_table_size. */ | |
4449 | static int n_fonts; | |
4450 | ||
76bcdf39 RS |
4451 | /* Give frame F the font named FONTNAME as its default font, and |
4452 | return the full name of that font. FONTNAME may be a wildcard | |
4453 | pattern; in that case, we choose some font that fits the pattern. | |
4454 | The return value shows which font we chose. */ | |
4455 | ||
b5cf7a0e | 4456 | Lisp_Object |
f676886a JB |
4457 | x_new_font (f, fontname) |
4458 | struct frame *f; | |
dc6f92b8 JB |
4459 | register char *fontname; |
4460 | { | |
dc6f92b8 JB |
4461 | int already_loaded; |
4462 | int n_matching_fonts; | |
4463 | XFontStruct *font_info; | |
4464 | char **font_names; | |
4465 | ||
4466 | /* Get a list of all the fonts that match this name. Once we | |
4467 | have a list of matching fonts, we compare them against the fonts | |
4468 | we already have by comparing font ids. */ | |
2224a5fc RS |
4469 | font_names = (char **) XListFonts (x_current_display, fontname, |
4470 | 1024, &n_matching_fonts); | |
0c94f6ee JB |
4471 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4472 | find any matches; font_names == 0 is the only clue. */ | |
4473 | if (! font_names) | |
4474 | n_matching_fonts = 0; | |
4475 | ||
5835f860 RS |
4476 | /* Don't just give up if n_matching_fonts is 0. |
4477 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4478 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 4479 | |
90e65f07 | 4480 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
4481 | already_loaded = -1; |
4482 | if (n_matching_fonts != 0) | |
4483 | { | |
4484 | int i, j; | |
dc6f92b8 | 4485 | |
5835f860 RS |
4486 | for (i = 0; i < n_fonts; i++) |
4487 | for (j = 0; j < n_matching_fonts; j++) | |
76bcdf39 RS |
4488 | if (!strcmp (x_font_table[i].name, font_names[j]) |
4489 | || !strcmp (x_font_table[i].full_name, font_names[j])) | |
5835f860 RS |
4490 | { |
4491 | already_loaded = i; | |
76bcdf39 | 4492 | fontname = x_font_table[i].full_name; |
5835f860 RS |
4493 | goto found_font; |
4494 | } | |
4495 | } | |
dc6f92b8 JB |
4496 | found_font: |
4497 | ||
4498 | /* If we have, just return it from the table. */ | |
2224a5fc | 4499 | if (already_loaded >= 0) |
480407eb KH |
4500 | { |
4501 | int wid; | |
4502 | f->display.x->font = x_font_table[already_loaded].font; | |
4503 | wid = FONT_WIDTH (f->display.x->font); | |
4504 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; | |
4505 | } | |
dc6f92b8 JB |
4506 | /* Otherwise, load the font and add it to the table. */ |
4507 | else | |
4508 | { | |
9696f58b | 4509 | int i; |
76bcdf39 | 4510 | char *full_name; |
dc6f92b8 JB |
4511 | XFontStruct *font; |
4512 | ||
9696f58b | 4513 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
4514 | #if 0 |
4515 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
4516 | for (i = 0; i < n_matching_fonts; i++) |
4517 | if (! font_info[i].per_char) | |
4518 | break; | |
f126bd67 JB |
4519 | #else |
4520 | i = 0; | |
4521 | #endif | |
9696f58b | 4522 | |
5835f860 RS |
4523 | /* See comment above. */ |
4524 | if (n_matching_fonts != 0) | |
9696f58b JB |
4525 | fontname = font_names[i]; |
4526 | ||
dc6f92b8 JB |
4527 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
4528 | if (! font) | |
5835f860 | 4529 | { |
2224a5fc | 4530 | /* Free the information from XListFonts. */ |
5835f860 | 4531 | if (n_matching_fonts) |
2224a5fc | 4532 | XFreeFontNames (font_names); |
5835f860 RS |
4533 | return Qnil; |
4534 | } | |
dc6f92b8 JB |
4535 | |
4536 | /* Do we need to create the table? */ | |
4537 | if (x_font_table_size == 0) | |
4538 | { | |
4539 | x_font_table_size = 16; | |
4540 | x_font_table | |
2224a5fc RS |
4541 | = (struct font_info *) xmalloc (x_font_table_size |
4542 | * sizeof (x_font_table[0])); | |
dc6f92b8 JB |
4543 | } |
4544 | /* Do we need to grow the table? */ | |
4545 | else if (n_fonts >= x_font_table_size) | |
4546 | { | |
90e65f07 | 4547 | x_font_table_size *= 2; |
dc6f92b8 | 4548 | x_font_table |
2224a5fc RS |
4549 | = (struct font_info *) xrealloc (x_font_table, |
4550 | (x_font_table_size | |
4551 | * sizeof (x_font_table[0]))); | |
dc6f92b8 JB |
4552 | } |
4553 | ||
76bcdf39 RS |
4554 | /* Try to get the full name of FONT. Put it in full_name. */ |
4555 | full_name = 0; | |
4556 | for (i = 0; i < font->n_properties; i++) | |
4557 | { | |
4558 | char *atom | |
4559 | = XGetAtomName (x_current_display, font->properties[i].name); | |
4560 | if (!strcmp (atom, "FONT")) | |
4561 | full_name = XGetAtomName (x_current_display, | |
4562 | (Atom) (font->properties[i].card32)); | |
4563 | XFree (atom); | |
4564 | } | |
4565 | ||
dff815ef | 4566 | x_font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); |
2224a5fc | 4567 | bcopy (fontname, x_font_table[n_fonts].name, strlen (fontname) + 1); |
76bcdf39 RS |
4568 | if (full_name != 0) |
4569 | x_font_table[n_fonts].full_name = full_name; | |
4570 | else | |
4571 | x_font_table[n_fonts].full_name = x_font_table[n_fonts].name; | |
2224a5fc | 4572 | f->display.x->font = x_font_table[n_fonts++].font = font; |
76bcdf39 | 4573 | |
d53067dc RS |
4574 | if (full_name) |
4575 | fontname = full_name; | |
480407eb KH |
4576 | { |
4577 | int wid = FONT_WIDTH (f->display.x->font); | |
4578 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; | |
4579 | } | |
dc6f92b8 | 4580 | } |
2224a5fc | 4581 | |
f676886a | 4582 | /* Now make the frame display the given font. */ |
c118dd06 | 4583 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4584 | { |
f676886a JB |
4585 | XSetFont (x_current_display, f->display.x->normal_gc, |
4586 | f->display.x->font->fid); | |
4587 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
4588 | f->display.x->font->fid); | |
4589 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
4590 | f->display.x->font->fid); | |
4591 | ||
a27f9f86 | 4592 | frame_update_line_height (f); |
0134a210 | 4593 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 4594 | } |
a27f9f86 RS |
4595 | else |
4596 | /* If we are setting a new frame's font for the first time, | |
4597 | there are no faces yet, so this font's height is the line height. */ | |
0cdd0c9f | 4598 | f->display.x->line_height = FONT_HEIGHT (f->display.x->font); |
dc6f92b8 | 4599 | |
b5cf7a0e | 4600 | { |
abdda982 | 4601 | Lisp_Object lispy_name; |
b5cf7a0e | 4602 | |
abdda982 | 4603 | lispy_name = build_string (fontname); |
b5cf7a0e | 4604 | |
2224a5fc | 4605 | /* Free the information from XListFonts. The data |
b5cf7a0e | 4606 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 4607 | XFreeFontNames (font_names); |
b5cf7a0e JB |
4608 | |
4609 | return lispy_name; | |
4610 | } | |
dc6f92b8 | 4611 | } |
dc6f92b8 | 4612 | \f |
43bca5d5 | 4613 | x_calc_absolute_position (f) |
f676886a | 4614 | struct frame *f; |
dc6f92b8 | 4615 | { |
6dba1858 RS |
4616 | Window win, child; |
4617 | int win_x = 0, win_y = 0; | |
43bca5d5 | 4618 | int flags = f->display.x->size_hint_flags; |
6dba1858 RS |
4619 | |
4620 | /* Find the position of the outside upper-left corner of | |
4621 | the inner window, with respect to the outer window. */ | |
4622 | if (f->display.x->parent_desc != ROOT_WINDOW) | |
4623 | { | |
4624 | BLOCK_INPUT; | |
4625 | XTranslateCoordinates (x_current_display, | |
4626 | ||
4627 | /* From-window, to-window. */ | |
4628 | f->display.x->window_desc, | |
4629 | f->display.x->parent_desc, | |
4630 | ||
4631 | /* From-position, to-position. */ | |
4632 | 0, 0, &win_x, &win_y, | |
4633 | ||
4634 | /* Child of win. */ | |
4635 | &child); | |
4636 | UNBLOCK_INPUT; | |
4637 | } | |
4638 | ||
4639 | /* Treat negative positions as relative to the leftmost bottommost | |
4640 | position that fits on the screen. */ | |
20f55f9a | 4641 | if (flags & XNegative) |
31ea78fd | 4642 | f->display.x->left_pos = (x_screen_width |
69388238 | 4643 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
4644 | - PIXEL_WIDTH (f) |
4645 | + f->display.x->left_pos); | |
dc6f92b8 | 4646 | |
20f55f9a | 4647 | if (flags & YNegative) |
31ea78fd | 4648 | f->display.x->top_pos = (x_screen_height |
69388238 | 4649 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
4650 | - PIXEL_HEIGHT (f) |
4651 | + f->display.x->top_pos); | |
3a35ab44 RS |
4652 | /* The left_pos and top_pos |
4653 | are now relative to the top and left screen edges, | |
4654 | so the flags should correspond. */ | |
4655 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
dc6f92b8 JB |
4656 | } |
4657 | ||
3a35ab44 RS |
4658 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
4659 | to really change the position, and 0 when calling from | |
4660 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
4661 | position values). */ | |
4662 | ||
dc05a16b | 4663 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 4664 | struct frame *f; |
dc6f92b8 | 4665 | register int xoff, yoff; |
dc05a16b | 4666 | int change_gravity; |
dc6f92b8 | 4667 | { |
3a35ab44 RS |
4668 | if (change_gravity) |
4669 | { | |
4670 | f->display.x->top_pos = yoff; | |
4671 | f->display.x->left_pos = xoff; | |
4672 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
4673 | if (xoff < 0) | |
4674 | f->display.x->size_hint_flags |= XNegative; | |
4675 | if (yoff < 0) | |
4676 | f->display.x->size_hint_flags |= YNegative; | |
4677 | f->display.x->win_gravity = NorthWestGravity; | |
4678 | } | |
43bca5d5 | 4679 | x_calc_absolute_position (f); |
dc6f92b8 JB |
4680 | |
4681 | BLOCK_INPUT; | |
3a35ab44 RS |
4682 | x_wm_set_size_hint (f, 0, 0); |
4683 | ||
3afe33e7 RS |
4684 | #ifdef USE_X_TOOLKIT |
4685 | XMoveWindow (XDISPLAY XtWindow (f->display.x->widget), | |
4686 | f->display.x->left_pos, f->display.x->top_pos); | |
4687 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 4688 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 4689 | f->display.x->left_pos, f->display.x->top_pos); |
3afe33e7 | 4690 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
4691 | UNBLOCK_INPUT; |
4692 | } | |
4693 | ||
bc20ebbf FP |
4694 | /* Call this to change the size of frame F's x-window. |
4695 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
4696 | for this size change and subsequent size changes. | |
4697 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 4698 | |
bc20ebbf | 4699 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 4700 | struct frame *f; |
bc20ebbf | 4701 | int change_gravity; |
b1c884c3 | 4702 | int cols, rows; |
dc6f92b8 JB |
4703 | { |
4704 | int pixelwidth, pixelheight; | |
4705 | int mask; | |
dc6f92b8 | 4706 | |
80fd1fe2 FP |
4707 | #ifdef USE_X_TOOLKIT |
4708 | BLOCK_INPUT; | |
3a20653d RS |
4709 | { |
4710 | /* The x and y position of the widget is clobbered by the | |
4711 | call to XtSetValues within EmacsFrameSetCharSize. | |
4712 | This is a real kludge, but I don't understand Xt so I can't | |
4713 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
4714 | int xpos = f->display.x->widget->core.x; | |
4715 | int ypos = f->display.x->widget->core.y; | |
4716 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
4717 | f->display.x->widget->core.x = xpos; | |
4718 | f->display.x->widget->core.y = ypos; | |
4719 | } | |
80fd1fe2 FP |
4720 | UNBLOCK_INPUT; |
4721 | ||
4722 | #else /* not USE_X_TOOLKIT */ | |
4723 | ||
dc6f92b8 JB |
4724 | BLOCK_INPUT; |
4725 | ||
b1c884c3 | 4726 | check_frame_size (f, &rows, &cols); |
6dba1858 RS |
4727 | f->display.x->vertical_scroll_bar_extra |
4728 | = (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
480407eb | 4729 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
6dba1858 | 4730 | : 0); |
f451eb13 JB |
4731 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
4732 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 | 4733 | |
af31d76f RS |
4734 | f->display.x->win_gravity = NorthWestGravity; |
4735 | x_wm_set_size_hint (f, 0, 0); | |
6ccf47d1 | 4736 | |
0cdd0c9f | 4737 | XSync (x_current_display, False); |
c118dd06 | 4738 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); |
b1c884c3 JB |
4739 | |
4740 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4741 | but the window manager will get around to dealing with the size | |
4742 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4743 | ConfigureNotify event gets here. |
4744 | ||
4745 | We could just not bother storing any of this information here, | |
4746 | and let the ConfigureNotify event set everything up, but that | |
4747 | might be kind of confusing to the lisp code, since size changes | |
4748 | wouldn't be reported in the frame parameters until some random | |
4749 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4750 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4751 | PIXEL_WIDTH (f) = pixelwidth; |
4752 | PIXEL_HEIGHT (f) = pixelheight; | |
4753 | ||
4d73d038 RS |
4754 | /* If cursor was outside the new size, mark it as off. */ |
4755 | if (f->phys_cursor_y >= rows | |
4756 | || f->phys_cursor_x >= cols) | |
4757 | { | |
4758 | f->phys_cursor_x = -1; | |
4759 | f->phys_cursor_y = -1; | |
4760 | } | |
4761 | ||
dbc4e1c1 JB |
4762 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4763 | receive in the ConfigureNotify event; if we get what we asked | |
4764 | for, then the event won't cause the screen to become garbaged, so | |
4765 | we have to make sure to do it here. */ | |
4766 | SET_FRAME_GARBAGED (f); | |
4767 | ||
dc6f92b8 JB |
4768 | XFlushQueue (); |
4769 | UNBLOCK_INPUT; | |
80fd1fe2 | 4770 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 4771 | } |
dc6f92b8 | 4772 | \f |
f451eb13 | 4773 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4774 | |
9b378208 | 4775 | void |
f676886a JB |
4776 | x_set_mouse_position (f, x, y) |
4777 | struct frame *f; | |
dc6f92b8 JB |
4778 | int x, y; |
4779 | { | |
4780 | int pix_x, pix_y; | |
4781 | ||
12ba150f | 4782 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
a27f9f86 | 4783 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->display.x->line_height / 2; |
f451eb13 JB |
4784 | |
4785 | if (pix_x < 0) pix_x = 0; | |
4786 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4787 | ||
4788 | if (pix_y < 0) pix_y = 0; | |
4789 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4790 | |
4791 | BLOCK_INPUT; | |
dc6f92b8 | 4792 | |
c118dd06 | 4793 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
4794 | UNBLOCK_INPUT; |
4795 | } | |
4796 | ||
9b378208 RS |
4797 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
4798 | ||
4799 | void | |
4800 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
4801 | struct frame *f; | |
4802 | int pix_x, pix_y; | |
4803 | { | |
4804 | BLOCK_INPUT; | |
4805 | ||
4806 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); | |
4807 | UNBLOCK_INPUT; | |
4808 | } | |
4809 | ||
f676886a JB |
4810 | x_focus_on_frame (f) |
4811 | struct frame *f; | |
dc6f92b8 | 4812 | { |
1fb20991 | 4813 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 4814 | x_raise_frame (f); |
1fb20991 | 4815 | #endif |
6d4238f3 JB |
4816 | #if 0 |
4817 | /* I don't think that the ICCCM allows programs to do things like this | |
4818 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4819 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 4820 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 4821 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4822 | #endif /* ! 0 */ |
dc6f92b8 JB |
4823 | } |
4824 | ||
f676886a JB |
4825 | x_unfocus_frame (f) |
4826 | struct frame *f; | |
dc6f92b8 | 4827 | { |
6d4238f3 | 4828 | #if 0 |
f676886a JB |
4829 | /* Look at the remarks in x_focus_on_frame. */ |
4830 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4831 | XSetInputFocus (x_current_display, PointerRoot, |
4832 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4833 | #endif /* ! 0 */ |
dc6f92b8 JB |
4834 | } |
4835 | ||
f676886a | 4836 | /* Raise frame F. */ |
dc6f92b8 | 4837 | |
f676886a JB |
4838 | x_raise_frame (f) |
4839 | struct frame *f; | |
dc6f92b8 | 4840 | { |
3a88c238 | 4841 | if (f->async_visible) |
dc6f92b8 JB |
4842 | { |
4843 | BLOCK_INPUT; | |
3afe33e7 RS |
4844 | #ifdef USE_X_TOOLKIT |
4845 | XRaiseWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
4846 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 4847 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 4848 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
4849 | XFlushQueue (); |
4850 | UNBLOCK_INPUT; | |
4851 | } | |
4852 | } | |
4853 | ||
f676886a | 4854 | /* Lower frame F. */ |
dc6f92b8 | 4855 | |
f676886a JB |
4856 | x_lower_frame (f) |
4857 | struct frame *f; | |
dc6f92b8 | 4858 | { |
3a88c238 | 4859 | if (f->async_visible) |
dc6f92b8 JB |
4860 | { |
4861 | BLOCK_INPUT; | |
3afe33e7 RS |
4862 | #ifdef USE_X_TOOLKIT |
4863 | XLowerWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
4864 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 4865 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 4866 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
4867 | XFlushQueue (); |
4868 | UNBLOCK_INPUT; | |
4869 | } | |
4870 | } | |
4871 | ||
dbc4e1c1 JB |
4872 | static void |
4873 | XTframe_raise_lower (f, raise) | |
4874 | FRAME_PTR f; | |
4875 | int raise; | |
4876 | { | |
4877 | if (raise) | |
4878 | x_raise_frame (f); | |
4879 | else | |
4880 | x_lower_frame (f); | |
4881 | } | |
4882 | ||
4883 | ||
fd13dbb2 RS |
4884 | /* Change from withdrawn state to mapped state, |
4885 | or deiconify. */ | |
dc6f92b8 | 4886 | |
f676886a JB |
4887 | x_make_frame_visible (f) |
4888 | struct frame *f; | |
dc6f92b8 JB |
4889 | { |
4890 | int mask; | |
4891 | ||
dc6f92b8 | 4892 | BLOCK_INPUT; |
dc6f92b8 | 4893 | |
f676886a | 4894 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 | 4895 | { |
af31d76f | 4896 | #ifndef USE_X_TOOLKIT |
fd13dbb2 RS |
4897 | if (! FRAME_ICONIFIED_P (f)) |
4898 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
af31d76f | 4899 | #endif |
dc05a16b | 4900 | |
90e65f07 | 4901 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 4902 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 4903 | #ifdef USE_X_TOOLKIT |
d7a38a2e RS |
4904 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
4905 | XtMapWidget (f->display.x->widget); | |
3afe33e7 | 4906 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 4907 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 4908 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
4909 | #if 0 /* This seems to bring back scroll bars in the wrong places |
4910 | if the window configuration has changed. They seem | |
4911 | to come back ok without this. */ | |
ab648270 | 4912 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 | 4913 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
0134a210 | 4914 | #endif |
90e65f07 | 4915 | } |
dc6f92b8 | 4916 | |
dc6f92b8 | 4917 | XFlushQueue (); |
90e65f07 | 4918 | |
dc6f92b8 | 4919 | UNBLOCK_INPUT; |
0dacf791 RS |
4920 | |
4921 | /* Synchronize to ensure Emacs knows the frame is visible | |
4922 | before we do anything else. We do this loop with input not blocked | |
4923 | so that incoming events are handled. */ | |
4924 | { | |
4925 | Lisp_Object frame; | |
4926 | XSET (frame, Lisp_Frame, f); | |
4927 | while (! f->async_visible) | |
2a6cf806 RS |
4928 | { |
4929 | x_sync (frame); | |
c12a7cbd | 4930 | /* Machines that do polling rather than SIGIO have been observed |
23cf7c60 KH |
4931 | to go into a busy-wait here. So we'll fake an alarm signal |
4932 | to let the handler know that there's something to be read. | |
4933 | We used to raise a real alarm, but it seems that the handler | |
4934 | isn't always enabled here. This is probably a bug. */ | |
8b2f8d4e | 4935 | if (input_polling_used ()) |
3b2fa4e6 RS |
4936 | { |
4937 | /* It could be confusing if a real alarm arrives while processing | |
4938 | the fake one. Turn it off and let the handler reset it. */ | |
4939 | alarm (0); | |
4940 | input_poll_signal (); | |
4941 | } | |
2a6cf806 | 4942 | } |
0dacf791 RS |
4943 | FRAME_SAMPLE_VISIBILITY (f); |
4944 | } | |
dc6f92b8 JB |
4945 | } |
4946 | ||
4947 | /* Change from mapped state to withdrawn state. */ | |
4948 | ||
f676886a JB |
4949 | x_make_frame_invisible (f) |
4950 | struct frame *f; | |
dc6f92b8 JB |
4951 | { |
4952 | int mask; | |
546e6d5b RS |
4953 | Window window; |
4954 | ||
4955 | #ifdef USE_X_TOOLKIT | |
4956 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
4957 | window = XtWindow (f->display.x->widget); | |
4958 | #else /* not USE_X_TOOLKIT */ | |
4959 | window = FRAME_X_WINDOW (f); | |
4960 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 4961 | |
9319ae23 RS |
4962 | /* Don't keep the highlight on an invisible frame. */ |
4963 | if (x_highlight_frame == f) | |
4964 | x_highlight_frame = 0; | |
4965 | ||
5627c40e | 4966 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 4967 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 4968 | return; |
5627c40e | 4969 | #endif |
dc6f92b8 JB |
4970 | |
4971 | BLOCK_INPUT; | |
c118dd06 | 4972 | |
af31d76f RS |
4973 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
4974 | that the current position of the window is user-specified, rather than | |
4975 | program-specified, so that when the window is mapped again, it will be | |
4976 | placed at the same location, without forcing the user to position it | |
4977 | by hand again (they have already done that once for this window.) */ | |
4978 | x_wm_set_size_hint (f, 0, 1); | |
4979 | ||
c118dd06 JB |
4980 | #ifdef HAVE_X11R4 |
4981 | ||
546e6d5b | 4982 | if (! XWithdrawWindow (x_current_display, window, |
c118dd06 JB |
4983 | DefaultScreen (x_current_display))) |
4984 | { | |
4985 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 4986 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 4987 | } |
c118dd06 | 4988 | #else /* ! defined (HAVE_X11R4) */ |
16bd92ea | 4989 | |
c118dd06 | 4990 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4991 | if (! EQ (Vx_no_window_manager, Qt)) |
4992 | { | |
16bd92ea | 4993 | XEvent unmap; |
dc6f92b8 | 4994 | |
16bd92ea | 4995 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 4996 | unmap.xunmap.window = window; |
16bd92ea JB |
4997 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4998 | unmap.xunmap.from_configure = False; | |
4999 | if (! XSendEvent (x_current_display, | |
5000 | DefaultRootWindow (x_current_display), | |
5001 | False, | |
5002 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5003 | &unmap)) | |
5004 | { | |
5005 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5006 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 5007 | } |
dc6f92b8 JB |
5008 | } |
5009 | ||
16bd92ea | 5010 | /* Unmap the window ourselves. Cheeky! */ |
546e6d5b | 5011 | XUnmapWindow (x_current_display, window); |
c118dd06 | 5012 | #endif /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 5013 | |
5627c40e RS |
5014 | /* We can't distinguish this from iconification |
5015 | just by the event that we get from the server. | |
5016 | So we can't win using the usual strategy of letting | |
5017 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5018 | and synchronize with the server to make sure we agree. */ | |
5019 | f->visible = 0; | |
5020 | FRAME_ICONIFIED_P (f) = 0; | |
5021 | f->async_visible = 0; | |
5022 | f->async_iconified = 0; | |
5023 | ||
5024 | x_sync (); | |
5025 | ||
dc6f92b8 JB |
5026 | UNBLOCK_INPUT; |
5027 | } | |
5028 | ||
dc6f92b8 JB |
5029 | /* Change window state from mapped to iconified. */ |
5030 | ||
f676886a JB |
5031 | x_iconify_frame (f) |
5032 | struct frame *f; | |
dc6f92b8 JB |
5033 | { |
5034 | int mask; | |
3afe33e7 | 5035 | int result; |
dc6f92b8 | 5036 | |
9319ae23 RS |
5037 | /* Don't keep the highlight on an invisible frame. */ |
5038 | if (x_highlight_frame == f) | |
5039 | x_highlight_frame = 0; | |
5040 | ||
3a88c238 | 5041 | if (f->async_iconified) |
dc6f92b8 JB |
5042 | return; |
5043 | ||
3afe33e7 RS |
5044 | #ifdef USE_X_TOOLKIT |
5045 | BLOCK_INPUT; | |
546e6d5b RS |
5046 | |
5047 | if (! FRAME_VISIBLE_P (f)) | |
5048 | { | |
5049 | if (! EQ (Vx_no_window_manager, Qt)) | |
5050 | x_wm_set_window_state (f, IconicState); | |
5051 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
5052 | XtMapWidget (f->display.x->widget); | |
5053 | UNBLOCK_INPUT; | |
5054 | return; | |
5055 | } | |
5056 | ||
3afe33e7 | 5057 | result = XIconifyWindow (x_current_display, |
bc20ebbf | 5058 | XtWindow (f->display.x->widget), |
3afe33e7 RS |
5059 | DefaultScreen (x_current_display)); |
5060 | UNBLOCK_INPUT; | |
5061 | ||
5062 | if (!result) | |
546e6d5b | 5063 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
5064 | |
5065 | f->async_iconified = 1; | |
8c002a25 KH |
5066 | |
5067 | BLOCK_INPUT; | |
5068 | XFlushQueue (); | |
5069 | UNBLOCK_INPUT; | |
3afe33e7 RS |
5070 | #else /* not USE_X_TOOLKIT */ |
5071 | ||
dc6f92b8 JB |
5072 | BLOCK_INPUT; |
5073 | ||
fd13dbb2 RS |
5074 | /* Make sure the X server knows where the window should be positioned, |
5075 | in case the user deiconifies with the window manager. */ | |
5076 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
5077 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
5078 | ||
16bd92ea JB |
5079 | /* Since we don't know which revision of X we're running, we'll use both |
5080 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5081 | ||
5082 | /* X11R4: send a ClientMessage to the window manager using the | |
5083 | WM_CHANGE_STATE type. */ | |
5084 | { | |
5085 | XEvent message; | |
5086 | ||
c118dd06 | 5087 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
5088 | message.xclient.type = ClientMessage; |
5089 | message.xclient.message_type = Xatom_wm_change_state; | |
5090 | message.xclient.format = 32; | |
5091 | message.xclient.data.l[0] = IconicState; | |
5092 | ||
5093 | if (! XSendEvent (x_current_display, | |
5094 | DefaultRootWindow (x_current_display), | |
5095 | False, | |
5096 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5097 | &message)) | |
dc6f92b8 JB |
5098 | { |
5099 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5100 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 5101 | } |
16bd92ea | 5102 | } |
dc6f92b8 | 5103 | |
16bd92ea JB |
5104 | /* X11R3: set the initial_state field of the window manager hints to |
5105 | IconicState. */ | |
5106 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5107 | |
a9c00105 RS |
5108 | if (!FRAME_VISIBLE_P (f)) |
5109 | { | |
5110 | /* If the frame was withdrawn, before, we must map it. */ | |
5111 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
0134a210 | 5112 | #if 0 /* We don't have subwindows in the icon. */ |
a9c00105 RS |
5113 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
5114 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); | |
0134a210 | 5115 | #endif |
a9c00105 RS |
5116 | } |
5117 | ||
3a88c238 | 5118 | f->async_iconified = 1; |
dc6f92b8 JB |
5119 | |
5120 | XFlushQueue (); | |
5121 | UNBLOCK_INPUT; | |
8c002a25 | 5122 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5123 | } |
5124 | ||
c0ff3fab | 5125 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5126 | |
c0ff3fab | 5127 | x_destroy_window (f) |
f676886a | 5128 | struct frame *f; |
dc6f92b8 | 5129 | { |
dc6f92b8 | 5130 | BLOCK_INPUT; |
c0ff3fab JB |
5131 | |
5132 | if (f->display.x->icon_desc != 0) | |
5133 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
5134 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
3afe33e7 RS |
5135 | #ifdef USE_X_TOOLKIT |
5136 | XtDestroyWidget (f->display.x->widget); | |
9d7e2e3e | 5137 | free_frame_menubar (f); |
3afe33e7 RS |
5138 | #endif /* USE_X_TOOLKIT */ |
5139 | ||
07e34cb0 | 5140 | free_frame_faces (f); |
dc6f92b8 | 5141 | XFlushQueue (); |
dc6f92b8 | 5142 | |
9ac0d9e0 | 5143 | xfree (f->display.x); |
c0ff3fab | 5144 | f->display.x = 0; |
f676886a JB |
5145 | if (f == x_focus_frame) |
5146 | x_focus_frame = 0; | |
5147 | if (f == x_highlight_frame) | |
5148 | x_highlight_frame = 0; | |
c0ff3fab | 5149 | |
0134a210 | 5150 | if (f == mouse_face_mouse_frame) |
dc05a16b | 5151 | { |
3b506386 KH |
5152 | mouse_face_beg_row = mouse_face_beg_col = -1; |
5153 | mouse_face_end_row = mouse_face_end_col = -1; | |
dc05a16b RS |
5154 | mouse_face_window = Qnil; |
5155 | } | |
0134a210 | 5156 | |
c0ff3fab | 5157 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5158 | } |
5159 | \f | |
f451eb13 JB |
5160 | /* Setting window manager hints. */ |
5161 | ||
af31d76f RS |
5162 | /* Set the normal size hints for the window manager, for frame F. |
5163 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5164 | that the window now has. | |
5165 | If USER_POSITION is nonzero, we set the USPosition | |
5166 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5167 | |
af31d76f | 5168 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5169 | struct frame *f; |
af31d76f RS |
5170 | long flags; |
5171 | int user_position; | |
dc6f92b8 JB |
5172 | { |
5173 | XSizeHints size_hints; | |
3afe33e7 RS |
5174 | |
5175 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5176 | Arg al[2]; |
5177 | int ac = 0; | |
5178 | Dimension widget_width, widget_height; | |
bc20ebbf | 5179 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5180 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5181 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5182 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5183 | |
b72a58fd RS |
5184 | /* Setting PMaxSize caused various problems. */ |
5185 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5186 | |
f676886a JB |
5187 | flexlines = f->height; |
5188 | ||
5189 | size_hints.x = f->display.x->left_pos; | |
5190 | size_hints.y = f->display.x->top_pos; | |
7553a6b7 | 5191 | |
7e4f2521 FP |
5192 | #ifdef USE_X_TOOLKIT |
5193 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5194 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
5195 | XtGetValues (f->display.x->column_widget, al, ac); | |
5196 | size_hints.height = widget_height; | |
5197 | size_hints.width = widget_width; | |
5198 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5199 | size_hints.height = PIXEL_HEIGHT (f); |
5200 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5201 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5202 | |
f676886a | 5203 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 5204 | size_hints.height_inc = f->display.x->line_height; |
7553a6b7 RS |
5205 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
5206 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5207 | |
b1c884c3 | 5208 | { |
b0342f17 | 5209 | int base_width, base_height; |
0134a210 | 5210 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5211 | |
f451eb13 JB |
5212 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5213 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5214 | |
0134a210 | 5215 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5216 | |
0134a210 RS |
5217 | /* The window manager uses the base width hints to calculate the |
5218 | current number of rows and columns in the frame while | |
5219 | resizing; min_width and min_height aren't useful for this | |
5220 | purpose, since they might not give the dimensions for a | |
5221 | zero-row, zero-column frame. | |
5222 | ||
5223 | We use the base_width and base_height members if we have | |
5224 | them; otherwise, we set the min_width and min_height members | |
5225 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5226 | |
5227 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5228 | size_hints.flags |= PBaseSize; |
5229 | size_hints.base_width = base_width; | |
5230 | size_hints.base_height = base_height; | |
5231 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5232 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5233 | #else |
0134a210 RS |
5234 | size_hints.min_width = base_width; |
5235 | size_hints.min_height = base_height; | |
b0342f17 | 5236 | #endif |
b1c884c3 | 5237 | } |
dc6f92b8 | 5238 | |
af31d76f RS |
5239 | if (flags) |
5240 | size_hints.flags |= flags; | |
dc6f92b8 JB |
5241 | else |
5242 | { | |
5243 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
af31d76f RS |
5244 | long supplied_return; |
5245 | int value; | |
5246 | ||
5247 | #ifdef HAVE_X11R4 | |
5248 | value = XGetWMNormalHints (x_current_display, window, &hints, | |
5249 | &supplied_return); | |
5250 | #else | |
5251 | value = XGetNormalHints (x_current_display, window, &hints); | |
5252 | #endif | |
dc6f92b8 | 5253 | |
af31d76f | 5254 | if (value == 0) |
82ee0df4 | 5255 | hints.flags = 0; |
dc6f92b8 JB |
5256 | if (hints.flags & PSize) |
5257 | size_hints.flags |= PSize; | |
5258 | if (hints.flags & PPosition) | |
5259 | size_hints.flags |= PPosition; | |
5260 | if (hints.flags & USPosition) | |
5261 | size_hints.flags |= USPosition; | |
5262 | if (hints.flags & USSize) | |
5263 | size_hints.flags |= USSize; | |
5264 | } | |
0134a210 | 5265 | |
af31d76f | 5266 | #ifdef PWinGravity |
dc05a16b | 5267 | size_hints.win_gravity = f->display.x->win_gravity; |
af31d76f | 5268 | size_hints.flags |= PWinGravity; |
dc05a16b | 5269 | |
af31d76f | 5270 | if (user_position) |
6dba1858 | 5271 | { |
af31d76f RS |
5272 | size_hints.flags &= ~ PPosition; |
5273 | size_hints.flags |= USPosition; | |
6dba1858 | 5274 | } |
2554751d | 5275 | #endif /* PWinGravity */ |
6dba1858 | 5276 | |
b0342f17 JB |
5277 | #ifdef HAVE_X11R4 |
5278 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
5279 | #else | |
dc6f92b8 | 5280 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 5281 | #endif |
dc6f92b8 JB |
5282 | } |
5283 | ||
5284 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5285 | x_wm_set_window_state (f, state) |
5286 | struct frame *f; | |
dc6f92b8 JB |
5287 | int state; |
5288 | { | |
3afe33e7 | 5289 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
5290 | Arg al[1]; |
5291 | ||
5292 | XtSetArg (al[0], XtNinitialState, state); | |
5293 | XtSetValues (f->display.x->widget, al, 1); | |
3afe33e7 | 5294 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5295 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5296 | |
16bd92ea JB |
5297 | f->display.x->wm_hints.flags |= StateHint; |
5298 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 5299 | |
16bd92ea | 5300 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
546e6d5b | 5301 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5302 | } |
5303 | ||
f676886a JB |
5304 | x_wm_set_icon_pixmap (f, icon_pixmap) |
5305 | struct frame *f; | |
dc6f92b8 JB |
5306 | Pixmap icon_pixmap; |
5307 | { | |
75231bad RS |
5308 | #ifdef USE_X_TOOLKIT |
5309 | Window window = XtWindow (f->display.x->widget); | |
5310 | #else | |
c118dd06 | 5311 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5312 | #endif |
dc6f92b8 | 5313 | |
dbc4e1c1 JB |
5314 | if (icon_pixmap) |
5315 | { | |
5316 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
5317 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
5318 | } | |
5319 | else | |
5320 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 5321 | |
16bd92ea | 5322 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5323 | } |
5324 | ||
f676886a JB |
5325 | x_wm_set_icon_position (f, icon_x, icon_y) |
5326 | struct frame *f; | |
dc6f92b8 JB |
5327 | int icon_x, icon_y; |
5328 | { | |
75231bad RS |
5329 | #ifdef USE_X_TOOLKIT |
5330 | Window window = XtWindow (f->display.x->widget); | |
5331 | #else | |
c118dd06 | 5332 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5333 | #endif |
dc6f92b8 | 5334 | |
16bd92ea JB |
5335 | f->display.x->wm_hints.flags |= IconPositionHint; |
5336 | f->display.x->wm_hints.icon_x = icon_x; | |
5337 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5338 | |
16bd92ea | 5339 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5340 | } |
5341 | ||
5342 | \f | |
f451eb13 JB |
5343 | /* Initialization. */ |
5344 | ||
3afe33e7 RS |
5345 | #ifdef USE_X_TOOLKIT |
5346 | static XrmOptionDescRec emacs_options[] = { | |
5347 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5348 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5349 | ||
5350 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5351 | XrmoptionSepArg, NULL}, | |
5352 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5353 | ||
5354 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5355 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5356 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5357 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5358 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5359 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
5360 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
5361 | }; | |
5362 | #endif /* USE_X_TOOLKIT */ | |
5363 | ||
dc6f92b8 | 5364 | void |
1f8255f2 | 5365 | x_term_init (display_name, xrm_option, resource_name) |
dc6f92b8 | 5366 | char *display_name; |
1f8255f2 RS |
5367 | char *xrm_option; |
5368 | char *resource_name; | |
dc6f92b8 | 5369 | { |
f676886a | 5370 | Lisp_Object frame; |
dc6f92b8 | 5371 | char *defaultvalue; |
3afe33e7 RS |
5372 | int argc = 0; |
5373 | char** argv = 0; | |
041b69ac | 5374 | #ifndef F_SETOWN_BUG |
dc6f92b8 JB |
5375 | #ifdef F_SETOWN |
5376 | extern int old_fcntl_owner; | |
c118dd06 | 5377 | #endif /* ! defined (F_SETOWN) */ |
041b69ac | 5378 | #endif /* F_SETOWN_BUG */ |
6d4238f3 | 5379 | |
ef2a22d0 | 5380 | x_noop_count = 0; |
ef2a22d0 | 5381 | |
f676886a | 5382 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 | 5383 | |
3afe33e7 | 5384 | #ifdef USE_X_TOOLKIT |
1f8255f2 RS |
5385 | argv = (char **) XtMalloc (7 * sizeof (char *)); |
5386 | argv[0] = ""; | |
5387 | argv[1] = "-display"; | |
5388 | argv[2] = display_name; | |
5389 | argv[3] = "-name"; | |
5390 | /* Usually `emacs', but not always. */ | |
5391 | argv[4] = resource_name; | |
c2df547c | 5392 | argc = 5; |
1f8255f2 RS |
5393 | if (xrm_option) |
5394 | { | |
5395 | argv[argc++] = "-xrm"; | |
5396 | argv[argc++] = xrm_option; | |
5397 | } | |
3afe33e7 | 5398 | Xt_app_shell = XtAppInitialize (&Xt_app_con, "Emacs", |
bc20ebbf | 5399 | emacs_options, XtNumber (emacs_options), |
3afe33e7 RS |
5400 | &argc, argv, |
5401 | NULL, NULL, 0); | |
983f76b8 | 5402 | XtFree ((char *)argv); |
3afe33e7 RS |
5403 | x_current_display = XtDisplay (Xt_app_shell); |
5404 | ||
5405 | #else /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5406 | x_current_display = XOpenDisplay (display_name); |
3afe33e7 | 5407 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5408 | if (x_current_display == 0) |
041b69ac JB |
5409 | fatal ("X server %s not responding.\n\ |
5410 | Check the DISPLAY environment variable or use \"-d\"\n", | |
dc6f92b8 JB |
5411 | display_name); |
5412 | ||
dc6f92b8 | 5413 | { |
dc6f92b8 JB |
5414 | #if 0 |
5415 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 5416 | #endif /* ! 0 */ |
59653951 | 5417 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
becadff8 | 5418 | + XSTRING (Vsystem_name)->size |
60fb3ee1 | 5419 | + 2); |
becadff8 KH |
5420 | sprintf (x_id_name, "%s@%s", |
5421 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
dc6f92b8 | 5422 | } |
28430d3c JB |
5423 | |
5424 | /* Figure out which modifier bits mean what. */ | |
5425 | x_find_modifier_meanings (); | |
f451eb13 | 5426 | |
ab648270 | 5427 | /* Get the scroll bar cursor. */ |
d56a553a RS |
5428 | x_vertical_scroll_bar_cursor |
5429 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 5430 | |
d56a553a | 5431 | #if 0 |
28430d3c JB |
5432 | /* Watch for PropertyNotify events on the root window; we use them |
5433 | to figure out when to invalidate our cache of the cut buffers. */ | |
5434 | x_watch_cut_buffer_cache (); | |
d56a553a | 5435 | #endif |
28430d3c | 5436 | |
a4fc7360 | 5437 | if (ConnectionNumber (x_current_display) != 0) |
61c3ce62 RS |
5438 | change_keyboard_wait_descriptor (ConnectionNumber (x_current_display)); |
5439 | change_input_fd (ConnectionNumber (x_current_display)); | |
6d4238f3 | 5440 | |
041b69ac | 5441 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 5442 | #ifdef F_SETOWN |
61c3ce62 | 5443 | old_fcntl_owner = fcntl (ConnectionNumber (x_current_display), F_GETOWN, 0); |
dc6f92b8 | 5444 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 RS |
5445 | /* stdin is a socket here */ |
5446 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, -getpid ()); | |
c118dd06 | 5447 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
61c3ce62 | 5448 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, getpid ()); |
c118dd06 JB |
5449 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
5450 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 5451 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
5452 | |
5453 | #ifdef SIGIO | |
5454 | init_sigio (); | |
c118dd06 | 5455 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 5456 | |
dc6f92b8 JB |
5457 | expose_all_windows = 0; |
5458 | ||
f676886a | 5459 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
5460 | clear_end_of_line_hook = XTclear_end_of_line; |
5461 | ins_del_lines_hook = XTins_del_lines; | |
5462 | change_line_highlight_hook = XTchange_line_highlight; | |
5463 | insert_glyphs_hook = XTinsert_glyphs; | |
5464 | write_glyphs_hook = XTwrite_glyphs; | |
5465 | delete_glyphs_hook = XTdelete_glyphs; | |
5466 | ring_bell_hook = XTring_bell; | |
5467 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
5468 | set_terminal_modes_hook = XTset_terminal_modes; | |
5469 | update_begin_hook = XTupdate_begin; | |
5470 | update_end_hook = XTupdate_end; | |
5471 | set_terminal_window_hook = XTset_terminal_window; | |
5472 | read_socket_hook = XTread_socket; | |
b8009dd1 | 5473 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
5474 | cursor_to_hook = XTcursor_to; |
5475 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 5476 | mouse_position_hook = XTmouse_position; |
f451eb13 | 5477 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 5478 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
5479 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
5480 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
5481 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
5482 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 5483 | |
f676886a | 5484 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
5485 | char_ins_del_ok = 0; /* just as fast to write the line */ |
5486 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
5487 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 5488 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
5489 | off the bottom */ |
5490 | baud_rate = 19200; | |
5491 | ||
b30b24cb RS |
5492 | /* Try to use interrupt input; if we can't, then start polling. */ |
5493 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
5494 | ||
c118dd06 JB |
5495 | /* Note that there is no real way portable across R3/R4 to get the |
5496 | original error handler. */ | |
5497 | XHandleError (x_error_quitter); | |
8922af5f | 5498 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
5499 | |
5500 | /* Disable Window Change signals; they are handled by X events. */ | |
5501 | #ifdef SIGWINCH | |
5502 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 5503 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 5504 | |
c118dd06 | 5505 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 5506 | } |
55123275 JB |
5507 | |
5508 | void | |
5509 | syms_of_xterm () | |
5510 | { | |
ab648270 | 5511 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 5512 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
5513 | staticpro (&mouse_face_window); |
5514 | mouse_face_window = Qnil; | |
55123275 | 5515 | } |
c118dd06 | 5516 | #endif /* ! defined (HAVE_X_WINDOWS) */ |