Commit | Line | Data |
---|---|---|
dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
12ba150f | 2 | Copyright (C) 1989, 1992, 1993 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 | ||
20 | /* Serious problems: | |
21 | ||
22 | Kludge: dup2 is used to put the X-connection socket into desc # 0 | |
23 | so that wait_reading_process_input will wait for it in place of | |
24 | actual terminal input. | |
25 | ||
26 | */ | |
27 | ||
28 | #include "config.h" | |
29 | ||
30 | #ifdef HAVE_X_WINDOWS | |
31 | ||
32 | #include "lisp.h" | |
dc6f92b8 | 33 | |
54c908b5 JB |
34 | /* On 4.3 these lose if they come after xterm.h. */ |
35 | #include <stdio.h> | |
dc6f92b8 JB |
36 | #include <signal.h> |
37 | ||
38 | /* This may include sys/types.h, and that somehow loses | |
39 | if this is not done before the other system files. */ | |
40 | #include "xterm.h" | |
f451eb13 | 41 | #include <X11/cursorfont.h> |
dc6f92b8 | 42 | |
16bd92ea | 43 | #ifndef USG |
dc6f92b8 JB |
44 | /* Load sys/types.h if not already loaded. |
45 | In some systems loading it twice is suicidal. */ | |
46 | #ifndef makedev | |
47 | #include <sys/types.h> | |
c118dd06 JB |
48 | #endif /* makedev */ |
49 | #endif /* USG */ | |
dc6f92b8 JB |
50 | |
51 | #ifdef BSD | |
52 | #include <sys/ioctl.h> | |
53 | #include <strings.h> | |
c118dd06 | 54 | #else /* ! defined (BSD) */ |
dc6f92b8 JB |
55 | #include <sys/termio.h> |
56 | #include <string.h> | |
c118dd06 | 57 | #endif /* ! defined (BSD) */ |
dc6f92b8 JB |
58 | |
59 | /* Allow m- file to inhibit use of FIONREAD. */ | |
60 | #ifdef BROKEN_FIONREAD | |
61 | #undef FIONREAD | |
c118dd06 | 62 | #endif /* ! defined (BROKEN_FIONREAD) */ |
dc6f92b8 JB |
63 | |
64 | /* We are unable to use interrupts if FIONREAD is not available, | |
65 | so flush SIGIO so we won't try. */ | |
66 | #ifndef FIONREAD | |
67 | #ifdef SIGIO | |
68 | #undef SIGIO | |
c118dd06 JB |
69 | #endif /* ! defined (SIGIO) */ |
70 | #endif /* FIONREAD */ | |
dc6f92b8 | 71 | |
3a2712f9 | 72 | #include "systime.h" |
dc6f92b8 JB |
73 | |
74 | #include <fcntl.h> | |
dc6f92b8 JB |
75 | #include <ctype.h> |
76 | #include <errno.h> | |
77 | #include <setjmp.h> | |
78 | #include <sys/stat.h> | |
79 | #include <sys/param.h> | |
80 | ||
81 | #include "dispextern.h" | |
82 | #include "termhooks.h" | |
83 | #include "termopts.h" | |
84 | #include "termchar.h" | |
85 | #if 0 | |
86 | #include "sink.h" | |
87 | #include "sinkmask.h" | |
c118dd06 | 88 | #endif /* ! 0 */ |
dc6f92b8 | 89 | #include "gnu.h" |
f676886a | 90 | #include "frame.h" |
dc6f92b8 | 91 | #include "disptab.h" |
dc6f92b8 | 92 | #include "buffer.h" |
f451eb13 | 93 | #include "window.h" |
dc6f92b8 JB |
94 | |
95 | #ifdef HAVE_X11 | |
96 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 97 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
98 | #include <X/Xkeyboard.h> |
99 | /*#include <X/Xproto.h> */ | |
c118dd06 | 100 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
101 | |
102 | /* For sending Meta-characters. Do we need this? */ | |
103 | #define METABIT 0200 | |
104 | ||
105 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
106 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
107 | ||
108 | /* Nonzero means we must reprint all windows | |
109 | because 1) we received an ExposeWindow event | |
f451eb13 | 110 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 111 | |
f451eb13 | 112 | This is never needed under X11. */ |
dc6f92b8 JB |
113 | static int expose_all_windows; |
114 | ||
115 | /* Nonzero means we must reprint all icon windows. */ | |
116 | ||
117 | static int expose_all_icons; | |
118 | ||
119 | #ifndef HAVE_X11 | |
120 | /* ExposeRegion events, when received, are copied into this queue | |
121 | for later processing. */ | |
122 | ||
123 | static struct event_queue x_expose_queue; | |
124 | ||
125 | /* ButtonPressed and ButtonReleased events, when received, | |
126 | are copied into this queue for later processing. */ | |
127 | ||
128 | struct event_queue x_mouse_queue; | |
c118dd06 | 129 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
130 | |
131 | /* Nonzero after BLOCK_INPUT; prevents input events from being | |
132 | processed until later. */ | |
133 | ||
134 | int x_input_blocked; | |
135 | ||
136 | #if defined (SIGIO) && defined (FIONREAD) | |
137 | int BLOCK_INPUT_mask; | |
c118dd06 | 138 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 JB |
139 | |
140 | /* Nonzero if input events came in while x_input_blocked was nonzero. | |
141 | UNBLOCK_INPUT checks for this. */ | |
142 | ||
143 | int x_pending_input; | |
144 | ||
dc6f92b8 JB |
145 | /* The id of a bitmap used for icon windows. |
146 | One such map is shared by all Emacs icon windows. | |
147 | This is zero if we have not yet had a need to create the bitmap. */ | |
148 | ||
149 | static Bitmap icon_bitmap; | |
150 | ||
151 | /* Font used for text icons. */ | |
152 | ||
153 | static FONT_TYPE *icon_font_info; | |
154 | ||
155 | /* Stuff for dealing with the main icon title. */ | |
156 | ||
157 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 158 | char *hostname, *x_id_name; |
55123275 | 159 | Lisp_Object invocation_name; |
dc6f92b8 JB |
160 | |
161 | /* This is the X connection that we are using. */ | |
162 | ||
163 | Display *x_current_display; | |
164 | ||
f451eb13 JB |
165 | /* The cursor to use for vertical scrollbars on x_current_display. */ |
166 | static Cursor x_vertical_scrollbar_cursor; | |
167 | ||
f676886a | 168 | /* Frame being updated by update_frame. */ |
dc6f92b8 JB |
169 | /* This is set by XTupdate_begin and looked at by all the |
170 | XT functions. It is zero while not inside an update. | |
f676886a JB |
171 | In that case, the XT functions assume that `selected_frame' |
172 | is the frame to apply to. */ | |
dc6f92b8 | 173 | |
f676886a | 174 | static struct frame *updating_frame; |
dc6f92b8 | 175 | |
f676886a | 176 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
177 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
178 | that a mere EnterNotify event can set this; if you need to know the | |
179 | last frame specified in a FocusIn or FocusOut event, use | |
180 | x_focus_event_frame. */ | |
f676886a | 181 | struct frame *x_focus_frame; |
dc6f92b8 | 182 | |
f451eb13 JB |
183 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
184 | separate from x_focus_frame, because whether or not LeaveNotify | |
185 | events cause us to lose focus depends on whether or not we have | |
186 | received a FocusIn event for it. */ | |
187 | struct frame *x_focus_event_frame; | |
188 | ||
f676886a JB |
189 | /* The frame which currently has the visual highlight, and should get |
190 | keyboard input (other sorts of input have the frame encoded in the | |
191 | event). It points to the X focus frame's selected window's | |
192 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 193 | minibuffer. */ |
f676886a | 194 | static struct frame *x_highlight_frame; |
6d4238f3 | 195 | |
dc6f92b8 | 196 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 197 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
198 | |
199 | static int warp_mouse_on_deiconify; | |
200 | ||
201 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
202 | ||
203 | static int flexlines; | |
204 | ||
205 | /* During an update, nonzero if chars output now should be highlighted. */ | |
206 | ||
207 | static int highlight; | |
208 | ||
209 | /* Nominal cursor position -- where to draw output. | |
210 | During an update, these are different from the cursor-box position. */ | |
211 | ||
212 | static int curs_x; | |
213 | static int curs_y; | |
214 | ||
215 | #ifdef HAVE_X11 | |
216 | /* `t' if a mouse button is depressed. */ | |
217 | ||
218 | extern Lisp_Object Vmouse_depressed; | |
219 | ||
220 | /* Tells if a window manager is present or not. */ | |
221 | ||
222 | extern Lisp_Object Vx_no_window_manager; | |
223 | ||
224 | /* Timestamp that we requested selection data was made. */ | |
225 | extern Time requestor_time; | |
226 | ||
227 | /* ID of the window requesting selection data. */ | |
228 | extern Window requestor_window; | |
229 | ||
230 | /* Nonzero enables some debugging for the X interface code. */ | |
231 | extern int _Xdebug; | |
232 | ||
c118dd06 | 233 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
234 | |
235 | /* Bit patterns for the mouse cursor. */ | |
236 | ||
237 | short MouseCursor[] = { | |
238 | 0x0000, 0x0008, 0x0018, 0x0038, | |
239 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
240 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
241 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
242 | ||
243 | short MouseMask[] = { | |
244 | 0x000c, 0x001c, 0x003c, 0x007c, | |
245 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
246 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
247 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
248 | ||
249 | static short grey_bits[] = { | |
250 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
251 | ||
252 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 253 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
254 | |
255 | /* From time to time we get info on an Emacs window, here. */ | |
256 | ||
257 | static WINDOWINFO_TYPE windowinfo; | |
258 | ||
259 | extern int errno; | |
260 | ||
dc6f92b8 JB |
261 | extern Display *XOpenDisplay (); |
262 | extern Window XCreateWindow (); | |
263 | ||
264 | extern Cursor XCreateCursor (); | |
265 | extern FONT_TYPE *XOpenFont (); | |
266 | ||
267 | static void flashback (); | |
268 | ||
269 | #ifndef HAVE_X11 | |
270 | static void dumpqueue (); | |
c118dd06 | 271 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
272 | |
273 | void dumpborder (); | |
4746118a JB |
274 | static int XTcursor_to (); |
275 | static int XTclear_end_of_line (); | |
16bd92ea JB |
276 | |
277 | \f | |
f451eb13 JB |
278 | /* Starting and ending updates. |
279 | ||
280 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
281 | of a frame update. We record in `updating_frame' the identity |
282 | of the frame being updated, so that the XT... functions do not | |
283 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 JB |
284 | should never be called except during an update, the only exceptions |
285 | being XTcursor_to, XTwrite_char and XTreassert_line_highlight. */ | |
286 | ||
287 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
288 | ||
289 | static | |
f676886a JB |
290 | XTupdate_begin (f) |
291 | struct frame *f; | |
dc6f92b8 JB |
292 | { |
293 | int mask; | |
294 | ||
f676886a | 295 | if (f == 0) |
dc6f92b8 JB |
296 | abort (); |
297 | ||
f676886a JB |
298 | updating_frame = f; |
299 | flexlines = f->height; | |
dc6f92b8 JB |
300 | highlight = 0; |
301 | ||
dc6f92b8 JB |
302 | BLOCK_INPUT; |
303 | #ifndef HAVE_X11 | |
304 | dumpqueue (); | |
c118dd06 | 305 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
306 | UNBLOCK_INPUT; |
307 | } | |
308 | ||
f451eb13 | 309 | #ifndef HAVE_X11 |
dc6f92b8 | 310 | static void x_do_pending_expose (); |
f451eb13 | 311 | #endif |
dc6f92b8 JB |
312 | |
313 | static | |
f676886a JB |
314 | XTupdate_end (f) |
315 | struct frame *f; | |
dc6f92b8 JB |
316 | { |
317 | int mask; | |
318 | ||
f676886a JB |
319 | if (updating_frame == 0 |
320 | || updating_frame != f) | |
dc6f92b8 JB |
321 | abort (); |
322 | ||
323 | BLOCK_INPUT; | |
324 | #ifndef HAVE_X11 | |
325 | dumpqueue (); | |
dc6f92b8 | 326 | x_do_pending_expose (); |
f451eb13 | 327 | #endif /* HAVE_X11 */ |
dc6f92b8 | 328 | |
f676886a | 329 | x_display_cursor (f, 1); |
dc6f92b8 | 330 | |
f676886a | 331 | updating_frame = 0; |
dc6f92b8 JB |
332 | XFlushQueue (); |
333 | UNBLOCK_INPUT; | |
334 | } | |
335 | \f | |
336 | /* External interface to control of standout mode. | |
337 | Call this when about to modify line at position VPOS | |
338 | and not change whether it is highlighted. */ | |
339 | ||
340 | XTreassert_line_highlight (new, vpos) | |
341 | int new, vpos; | |
342 | { | |
343 | highlight = new; | |
344 | } | |
345 | ||
346 | /* Call this when about to modify line at position VPOS | |
347 | and change whether it is highlighted. */ | |
348 | ||
349 | static | |
350 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
351 | int new_highlight, vpos, first_unused_hpos; | |
352 | { | |
353 | highlight = new_highlight; | |
354 | XTcursor_to (vpos, 0); | |
f676886a | 355 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
356 | } |
357 | ||
358 | /* This is used when starting Emacs and when restarting after suspend. | |
359 | When starting Emacs, no X window is mapped. And nothing must be done | |
360 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
361 | ||
362 | static | |
363 | XTset_terminal_modes () | |
364 | { | |
365 | } | |
366 | ||
367 | /* This is called when exiting or suspending Emacs. | |
368 | Exiting will make the X-windows go away, and suspending | |
369 | requires no action. */ | |
370 | ||
371 | static | |
372 | XTreset_terminal_modes () | |
373 | { | |
f676886a | 374 | /* XTclear_frame (); */ |
dc6f92b8 JB |
375 | } |
376 | \f | |
f451eb13 JB |
377 | /* Set the nominal cursor position of the frame. |
378 | This is where display update commands will take effect. | |
dc6f92b8 JB |
379 | This does not affect the place where the cursor-box is displayed. */ |
380 | ||
4746118a | 381 | static int |
dc6f92b8 JB |
382 | XTcursor_to (row, col) |
383 | register int row, col; | |
384 | { | |
385 | int mask; | |
386 | int orow = row; | |
387 | ||
388 | curs_x = col; | |
389 | curs_y = row; | |
390 | ||
f676886a | 391 | if (updating_frame == 0) |
dc6f92b8 JB |
392 | { |
393 | BLOCK_INPUT; | |
f676886a | 394 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
395 | XFlushQueue (); |
396 | UNBLOCK_INPUT; | |
397 | } | |
398 | } | |
399 | \f | |
400 | /* Display a sequence of N glyphs found at GP. | |
401 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
402 | HL is 1 if this text is highlighted, 2 if the cursor is on it. | |
403 | ||
404 | FONT is the default font to use (for glyphs whose font-code is 0). */ | |
405 | ||
406 | static void | |
f676886a JB |
407 | dumpglyphs (f, left, top, gp, n, hl, font) |
408 | struct frame *f; | |
dc6f92b8 JB |
409 | int left, top; |
410 | register GLYPH *gp; /* Points to first GLYPH. */ | |
411 | register int n; /* Number of glyphs to display. */ | |
412 | int hl; | |
413 | FONT_TYPE *font; | |
414 | { | |
dc6f92b8 | 415 | register int len; |
c118dd06 | 416 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
417 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc |
418 | : (hl ? f->display.x->reverse_gc | |
419 | : f->display.x->normal_gc)); | |
dc6f92b8 | 420 | |
c7004826 JB |
421 | if (sizeof (GLYPH) == sizeof (XChar2b)) |
422 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
423 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
424 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
425 | XDrawImageString (x_current_display, window, drawing_gc, | |
426 | left, top + FONT_BASE (font), (char *) gp, n); | |
427 | else | |
428 | /* What size of glyph ARE you using? And does X have a function to | |
429 | draw them? */ | |
430 | abort (); | |
dc6f92b8 JB |
431 | } |
432 | ||
433 | #if 0 | |
434 | static void | |
f676886a JB |
435 | dumpglyphs (f, left, top, gp, n, hl, font) |
436 | struct frame *f; | |
dc6f92b8 JB |
437 | int left, top; |
438 | register GLYPH *gp; /* Points to first GLYPH. */ | |
439 | register int n; /* Number of glyphs to display. */ | |
440 | int hl; | |
441 | FONT_TYPE *font; | |
442 | { | |
f676886a | 443 | char buf[f->width]; /* Holds characters to be displayed. */ |
dc6f92b8 JB |
444 | register char *cp; /* Steps through buf[]. */ |
445 | register int tlen = GLYPH_TABLE_LENGTH; | |
446 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 447 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
448 | int cursor_pixel = f->display.x->cursor_pixel; |
449 | int fg_pixel = f->display.x->foreground_pixel; | |
450 | int bg_pixel = f->display.x->background_pixel; | |
451 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
452 | |
453 | while (n) | |
454 | { | |
455 | /* Get the face-code of the next GLYPH. */ | |
456 | int cf, len; | |
457 | int g = *gp; | |
458 | ||
459 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
460 | g = GLYPH_ALIAS (tbase, g); | |
461 | ||
462 | cf = g >> 8; | |
463 | ||
464 | /* Find the run of consecutive glyphs with the same face-code. | |
465 | Extract their character codes into BUF. */ | |
466 | cp = buf; | |
467 | while (n > 0) | |
468 | { | |
469 | g = *gp; | |
470 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
471 | g = GLYPH_ALIAS (tbase, g); | |
472 | if ((g >> 8) != cf) | |
473 | break; | |
474 | ||
475 | *cp++ = 0377 & g; | |
476 | --n; | |
477 | ++gp; | |
478 | } | |
479 | ||
480 | /* LEN gets the length of the run. */ | |
481 | len = cp - buf; | |
482 | ||
483 | /* Now output this run of chars, with the font and pixel values | |
484 | determined by the face code CF. */ | |
485 | if (cf == 0) | |
486 | { | |
487 | #ifdef HAVE_X11 | |
f676886a JB |
488 | GC GC_cursor = f->display.x->cursor_gc; |
489 | GC GC_reverse = f->display.x->reverse_gc; | |
490 | GC GC_normal = f->display.x->normal_gc; | |
dc6f92b8 JB |
491 | |
492 | XDrawImageString (x_current_display, window, | |
493 | (hl == 2 | |
494 | ? GC_cursor | |
495 | : (hl ? GC_reverse : GC_normal)), | |
496 | left, top + FONT_BASE (font), buf, len); | |
c118dd06 | 497 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
498 | XText (window, left, top, |
499 | buf, | |
500 | len, | |
501 | font->id, | |
502 | (hl == 2 | |
503 | ? (cursor_pixel == fg_pixel ? bg_pixel : fg_pixel) | |
504 | : hl ? bg_pixel : fg_pixel), | |
505 | (hl == 2 ? cursor_pixel | |
506 | : hl ? fg_pixel : bg_pixel)); | |
c118dd06 | 507 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
508 | } |
509 | else | |
510 | { | |
511 | #ifdef HAVE_X11 | |
512 | if (FACE_IS_FONT (cf)) | |
c118dd06 | 513 | XDrawImageString (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 JB |
514 | FACE_GC (cf), |
515 | left, top + FONT_BASE (FACE_FONT (cf)), | |
516 | buf, len); | |
517 | else if (FACE_IS_IMAGE (cf)) | |
518 | XCopyPlane (x_current_display, FACE_IMAGE (cf), | |
c118dd06 | 519 | FRAME_X_WINDOW (f), |
f676886a | 520 | f->display.x->normal_gc, |
dc6f92b8 JB |
521 | 0, 0, |
522 | FACE_IMAGE_WIDTH (cf), | |
523 | FACE_IMAGE_HEIGHT (cf), left, top); | |
524 | else | |
525 | abort (); | |
c118dd06 | 526 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
527 | register struct face *fp = x_face_table[cf]; |
528 | ||
529 | XText (window, left, top, | |
530 | buf, | |
531 | len, | |
532 | fp->font->id, | |
533 | (hl == 2 | |
534 | ? (cursor_pixel == fp->fg ? fp->bg : fp->fg) | |
535 | : hl ? fp->bg : fp->fg), | |
536 | (hl == 2 ? cursor_pixel | |
537 | : hl ? fp->fg : fp->bg)); | |
c118dd06 | 538 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
539 | } |
540 | left += len * FONT_WIDTH (font); | |
541 | } | |
542 | } | |
c118dd06 | 543 | #endif /* ! 0 */ |
dc6f92b8 | 544 | \f |
f451eb13 JB |
545 | /* Output some text at the nominal frame cursor position. |
546 | Advance the cursor over the text. | |
dc6f92b8 JB |
547 | Output LEN glyphs at START. |
548 | ||
549 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
550 | controls the pixel values used for foreground and background. */ | |
551 | ||
552 | static | |
553 | XTwrite_glyphs (start, len) | |
554 | register GLYPH *start; | |
555 | int len; | |
556 | { | |
557 | register int temp_length; | |
558 | int mask; | |
f676886a | 559 | struct frame *f; |
dc6f92b8 JB |
560 | |
561 | BLOCK_INPUT; | |
562 | ||
f676886a JB |
563 | f = updating_frame; |
564 | if (f == 0) | |
dc6f92b8 | 565 | { |
f676886a | 566 | f = selected_frame; |
dc6f92b8 | 567 | /* If not within an update, |
f676886a JB |
568 | output at the frame's visible cursor. */ |
569 | curs_x = f->cursor_x; | |
570 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
571 | } |
572 | ||
f676886a | 573 | dumpglyphs (f, |
12ba150f JB |
574 | CHAR_TO_PIXEL_COL (f, curs_x), |
575 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
576 | start, len, highlight, f->display.x->font); | |
90e65f07 JB |
577 | |
578 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
579 | if (curs_y == f->phys_cursor_y |
580 | && curs_x <= f->phys_cursor_x | |
581 | && curs_x + len > f->phys_cursor_x) | |
582 | f->phys_cursor_x = -1; | |
dc6f92b8 | 583 | |
f676886a | 584 | if (updating_frame == 0) |
dc6f92b8 | 585 | { |
f676886a JB |
586 | f->cursor_x += len; |
587 | x_display_cursor (f, 1); | |
588 | f->cursor_x -= len; | |
dc6f92b8 JB |
589 | } |
590 | else | |
591 | curs_x += len; | |
592 | ||
593 | UNBLOCK_INPUT; | |
594 | } | |
595 | \f | |
f451eb13 JB |
596 | /* Clear to the end of the line. |
597 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
598 | to column FIRST_UNUSED (exclusive). The idea is that everything |
599 | from FIRST_UNUSED onward is already erased. */ | |
600 | ||
4746118a | 601 | static int |
dc6f92b8 JB |
602 | XTclear_end_of_line (first_unused) |
603 | register int first_unused; | |
604 | { | |
f676886a | 605 | struct frame *f = updating_frame; |
dc6f92b8 JB |
606 | int mask; |
607 | ||
f676886a | 608 | if (f == 0) |
dc6f92b8 JB |
609 | abort (); |
610 | ||
f676886a | 611 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
612 | return; |
613 | if (first_unused <= 0) | |
614 | return; | |
615 | ||
f676886a JB |
616 | if (first_unused >= f->width) |
617 | first_unused = f->width; | |
dc6f92b8 JB |
618 | |
619 | BLOCK_INPUT; | |
620 | ||
90e65f07 | 621 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
622 | if (curs_y == f->phys_cursor_y |
623 | && curs_x <= f->phys_cursor_x | |
624 | && f->phys_cursor_x < first_unused) | |
625 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
626 | |
627 | #ifdef HAVE_X11 | |
c118dd06 | 628 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
629 | CHAR_TO_PIXEL_COL (f, curs_x), |
630 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
631 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
632 | FONT_HEIGHT (f->display.x->font), False); | |
dc6f92b8 | 633 | |
c118dd06 JB |
634 | #else /* ! defined (HAVE_X11) */ |
635 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
636 | CHAR_TO_PIXEL_COL (f, curs_x), |
637 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
638 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
639 | FONT_HEIGHT (f->display.x->font), | |
640 | f->display.x->background_pixel); | |
c118dd06 | 641 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
642 | |
643 | UNBLOCK_INPUT; | |
644 | } | |
645 | ||
646 | static | |
f676886a | 647 | XTclear_frame () |
dc6f92b8 JB |
648 | { |
649 | int mask; | |
f676886a | 650 | struct frame *f = updating_frame; |
dc6f92b8 | 651 | |
f676886a JB |
652 | if (f == 0) |
653 | f = selected_frame; | |
dc6f92b8 | 654 | |
f676886a | 655 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
656 | curs_x = 0; /* Nominal cursor position is top left. */ |
657 | curs_y = 0; | |
658 | ||
659 | BLOCK_INPUT; | |
c118dd06 | 660 | XClear (FRAME_X_WINDOW (f)); |
dc6f92b8 | 661 | #ifndef HAVE_X11 |
f676886a | 662 | dumpborder (f, 0); |
c118dd06 | 663 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
664 | XFlushQueue (); |
665 | UNBLOCK_INPUT; | |
666 | } | |
667 | \f | |
f676886a | 668 | /* Paint horzontal bars down the frame for a visible bell. |
dc6f92b8 JB |
669 | Note that this may be way too slow on some machines. */ |
670 | ||
f676886a JB |
671 | XTflash (f) |
672 | struct frame *f; | |
dc6f92b8 | 673 | { |
f676886a | 674 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
675 | register int i; |
676 | int x, y; | |
677 | ||
f676886a | 678 | if (updating_frame != 0) |
dc6f92b8 JB |
679 | abort (); |
680 | ||
681 | BLOCK_INPUT; | |
682 | #ifdef HAVE_X11 | |
683 | #if 0 | |
f676886a | 684 | for (i = f->height * FONT_HEIGHT (f->display.x->font) - 10; |
dc6f92b8 JB |
685 | i >= 0; |
686 | i -= 100) /* Should be NO LOWER than 75 for speed reasons. */ | |
c118dd06 | 687 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a JB |
688 | f->display.x->cursor_gc, |
689 | 0, i, f->width * FONT_WIDTH (f->display.x->font) | |
690 | + 2 * f->display.x->internal_border_width, 25); | |
c118dd06 | 691 | #endif /* ! 0 */ |
dc6f92b8 | 692 | |
f676886a JB |
693 | x = (f->width * FONT_WIDTH (f->display.x->font)) / 4; |
694 | y = (f->height * FONT_HEIGHT (f->display.x->font)) / 4; | |
c118dd06 | 695 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 696 | f->display.x->cursor_gc, |
dc6f92b8 | 697 | x, y, 2 * x, 2 * y); |
f676886a JB |
698 | dumpglyphs (f, (x + f->display.x->internal_border_width), |
699 | (y + f->display.x->internal_border_width), | |
700 | &active_frame->glyphs[(f->height / 4) + 1][(f->width / 4)], | |
701 | 1, 0, f->display.x->font); | |
dc6f92b8 | 702 | |
c118dd06 | 703 | #else /* ! defined (HAVE_X11) */ |
f676886a | 704 | for (i = f->height * FONT_HEIGHT (f->display.x->font) - 10; |
dc6f92b8 JB |
705 | i >= 0; |
706 | i -= 50) | |
c118dd06 | 707 | XPixFill (FRAME_X_WINDOW (f), 0, i, |
f676886a JB |
708 | f->width * FONT_WIDTH (f->display.x->font) |
709 | + 2 * f->display.x->internal_border_width, 10, | |
dc6f92b8 | 710 | WHITE_PIX_DEFAULT, ClipModeClipped, GXinvert, AllPlanes); |
c118dd06 | 711 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
712 | |
713 | XFlushQueue (); | |
714 | UNBLOCK_INPUT; | |
715 | } | |
716 | ||
f676886a | 717 | /* Flip background and forground colors of the frame. */ |
dc6f92b8 | 718 | |
f676886a JB |
719 | x_invert_frame (f) |
720 | struct frame *f; | |
dc6f92b8 JB |
721 | { |
722 | #ifdef HAVE_X11 | |
723 | GC temp; | |
724 | unsigned long pix_temp; | |
725 | ||
f676886a | 726 | x_display_cursor (f, 0); |
c118dd06 | 727 | XClearWindow (x_current_display, FRAME_X_WINDOW (f)); |
f676886a JB |
728 | temp = f->display.x->normal_gc; |
729 | f->display.x->normal_gc = f->display.x->reverse_gc; | |
730 | f->display.x->reverse_gc = temp; | |
731 | pix_temp = f->display.x->foreground_pixel; | |
732 | f->display.x->foreground_pixel = f->display.x->background_pixel; | |
733 | f->display.x->background_pixel = pix_temp; | |
734 | ||
c118dd06 | 735 | XSetWindowBackground (x_current_display, FRAME_X_WINDOW (f), |
f676886a JB |
736 | f->display.x->background_pixel); |
737 | if (f->display.x->background_pixel == f->display.x->cursor_pixel) | |
dc6f92b8 | 738 | { |
f676886a JB |
739 | f->display.x->cursor_pixel = f->display.x->foreground_pixel; |
740 | XSetBackground (x_current_display, f->display.x->cursor_gc, | |
741 | f->display.x->cursor_pixel); | |
742 | XSetForeground (x_current_display, f->display.x->cursor_gc, | |
743 | f->display.x->background_pixel); | |
dc6f92b8 | 744 | } |
f676886a | 745 | redraw_frame (f); |
c118dd06 | 746 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
747 | } |
748 | ||
749 | /* Make audible bell. */ | |
750 | ||
751 | #ifdef HAVE_X11 | |
752 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 753 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 754 | #define XRINGBELL XFeep(0); |
c118dd06 | 755 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
756 | |
757 | XTring_bell () | |
758 | { | |
759 | if (visible_bell) | |
760 | #if 0 | |
f676886a | 761 | XTflash (selected_frame); |
c118dd06 | 762 | #endif /* ! 0 */ |
dc6f92b8 | 763 | { |
f676886a JB |
764 | x_invert_frame (selected_frame); |
765 | x_invert_frame (selected_frame); | |
dc6f92b8 JB |
766 | } |
767 | else | |
768 | { | |
769 | BLOCK_INPUT; | |
770 | XRINGBELL; | |
771 | XFlushQueue (); | |
772 | UNBLOCK_INPUT; | |
773 | } | |
774 | } | |
775 | \f | |
f451eb13 JB |
776 | /* Insert and delete character. |
777 | These are not supposed to be used because we are supposed to turn | |
778 | off the feature of using them. */ | |
dc6f92b8 JB |
779 | |
780 | static | |
781 | XTinsert_glyphs (start, len) | |
782 | register char *start; | |
783 | register int len; | |
784 | { | |
785 | abort (); | |
786 | } | |
787 | ||
788 | static | |
789 | XTdelete_glyphs (n) | |
790 | register int n; | |
791 | { | |
792 | abort (); | |
793 | } | |
794 | \f | |
795 | /* Specify how many text lines, from the top of the window, | |
796 | should be affected by insert-lines and delete-lines operations. | |
797 | This, and those operations, are used only within an update | |
798 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
799 | ||
800 | static | |
801 | XTset_terminal_window (n) | |
802 | register int n; | |
803 | { | |
f676886a | 804 | if (updating_frame == 0) |
dc6f92b8 JB |
805 | abort (); |
806 | ||
f676886a JB |
807 | if ((n <= 0) || (n > updating_frame->height)) |
808 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
809 | else |
810 | flexlines = n; | |
811 | } | |
812 | \f | |
f451eb13 JB |
813 | /* Perform an insert-lines operation. |
814 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
815 | |
816 | static void | |
817 | stufflines (n) | |
818 | register int n; | |
819 | { | |
820 | register int topregion, bottomregion; | |
821 | register int length, newtop, mask; | |
f676886a JB |
822 | register struct frame *f = updating_frame; |
823 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
824 | |
825 | if (curs_y >= flexlines) | |
826 | return; | |
827 | ||
828 | topregion = curs_y; | |
829 | bottomregion = flexlines - (n + 1); | |
830 | newtop = topregion + n; | |
831 | length = (bottomregion - topregion) + 1; | |
832 | ||
833 | #ifndef HAVE_X11 | |
834 | dumpqueue (); | |
c118dd06 | 835 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
836 | |
837 | if ((length > 0) && (newtop <= flexlines)) | |
838 | { | |
839 | #ifdef HAVE_X11 | |
c118dd06 JB |
840 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
841 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 842 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
843 | f->width * FONT_WIDTH (f->display.x->font), |
844 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 845 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
846 | #else /* ! defined (HAVE_X11) */ |
847 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
848 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
849 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
850 | f->width * FONT_WIDTH (f->display.x->font), |
851 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
852 | /* Now we must process any ExposeRegion events that occur |
853 | if the area being copied from is obscured. | |
854 | We can't let it wait because further i/d operations | |
855 | may want to copy this area to another area. */ | |
856 | x_read_exposes (); | |
c118dd06 | 857 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
858 | } |
859 | ||
860 | newtop = min (newtop, (flexlines - 1)); | |
861 | length = newtop - topregion; | |
862 | if (length > 0) | |
863 | { | |
864 | #ifdef HAVE_X11 | |
c118dd06 | 865 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 866 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
867 | f->width * FONT_WIDTH (f->display.x->font), |
868 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
869 | #else /* ! defined (HAVE_X11) */ |
870 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 871 | intborder, |
12ba150f | 872 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
873 | f->width * FONT_WIDTH (f->display.x->font), |
874 | n * FONT_HEIGHT (f->display.x->font), | |
875 | f->display.x->background_pixel); | |
c118dd06 | 876 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
877 | } |
878 | } | |
879 | ||
880 | /* Perform a delete-lines operation, deleting N lines | |
881 | at a vertical position curs_y. */ | |
882 | ||
883 | static void | |
884 | scraplines (n) | |
885 | register int n; | |
886 | { | |
887 | int mask; | |
f676886a JB |
888 | register struct frame *f = updating_frame; |
889 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
890 | |
891 | if (curs_y >= flexlines) | |
892 | return; | |
893 | ||
894 | #ifndef HAVE_X11 | |
895 | dumpqueue (); | |
c118dd06 | 896 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
897 | |
898 | if ((curs_y + n) >= flexlines) | |
899 | { | |
900 | if (flexlines >= (curs_y + 1)) | |
901 | { | |
902 | #ifdef HAVE_X11 | |
c118dd06 | 903 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 904 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
905 | f->width * FONT_WIDTH (f->display.x->font), |
906 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
907 | #else /* ! defined (HAVE_X11) */ |
908 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 909 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
910 | f->width * FONT_WIDTH (f->display.x->font), |
911 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
912 | f->display.x->background_pixel); | |
c118dd06 | 913 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
914 | } |
915 | } | |
916 | else | |
917 | { | |
918 | #ifdef HAVE_X11 | |
c118dd06 JB |
919 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
920 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 921 | intborder, |
12ba150f | 922 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
923 | f->width * FONT_WIDTH (f->display.x->font), |
924 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 925 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 926 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 927 | intborder, |
12ba150f | 928 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
929 | f->width * FONT_WIDTH (f->display.x->font), |
930 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
931 | #else /* ! defined (HAVE_X11) */ |
932 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 933 | intborder, |
12ba150f JB |
934 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
935 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
936 | f->width * FONT_WIDTH (f->display.x->font), |
937 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
938 | /* Now we must process any ExposeRegion events that occur |
939 | if the area being copied from is obscured. | |
940 | We can't let it wait because further i/d operations | |
941 | may want to copy this area to another area. */ | |
942 | x_read_exposes (); | |
c118dd06 | 943 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 944 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
945 | f->width * FONT_WIDTH (f->display.x->font), |
946 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 947 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
948 | } |
949 | } | |
950 | ||
951 | /* Perform an insert-lines or delete-lines operation, | |
952 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
953 | ||
954 | XTins_del_lines (vpos, n) | |
955 | int vpos, n; | |
956 | { | |
f676886a | 957 | if (updating_frame == 0) |
dc6f92b8 JB |
958 | abort (); |
959 | ||
90e65f07 | 960 | /* Hide the cursor. */ |
f676886a | 961 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
962 | |
963 | XTcursor_to (vpos, 0); | |
964 | ||
965 | BLOCK_INPUT; | |
966 | if (n >= 0) | |
967 | stufflines (n); | |
968 | else | |
969 | scraplines (-n); | |
970 | XFlushQueue (); | |
971 | UNBLOCK_INPUT; | |
972 | } | |
973 | \f | |
f451eb13 | 974 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
975 | static void clear_cursor (); |
976 | ||
f676886a JB |
977 | /* Output into a rectangle of an X-window (for frame F) |
978 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
979 | TOP and LEFT are the position of the upper left corner of the rectangle. |
980 | ROWS and COLS are the size of the rectangle. */ | |
981 | ||
982 | static void | |
f676886a JB |
983 | dumprectangle (f, left, top, cols, rows) |
984 | struct frame *f; | |
dc6f92b8 JB |
985 | register int left, top, cols, rows; |
986 | { | |
f676886a | 987 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
988 | int cursor_cleared = 0; |
989 | int bottom, right; | |
990 | register int y; | |
991 | ||
f676886a | 992 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
993 | return; |
994 | ||
dc6f92b8 JB |
995 | /* Express rectangle as four edges, instead of position-and-size. */ |
996 | bottom = top + rows; | |
997 | right = left + cols; | |
998 | ||
999 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1000 | { |
1001 | int intborder = f->display.x->internal_border_width; | |
1002 | ||
1003 | /* If the rectangle includes any of the internal border area, | |
1004 | redisplay the border emphasis. */ | |
1005 | if (top < intborder || left < intborder | |
1006 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1007 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1008 | dumpborder (f, 0); | |
1009 | } | |
c118dd06 | 1010 | #endif /* HAVE_X11 /* Window manger does this for X11. */ */ |
dc6f92b8 JB |
1011 | |
1012 | /* Convert rectangle edges in pixels to edges in chars. | |
1013 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1014 | top = PIXEL_TO_CHAR_ROW (f, top); |
1015 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1016 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1017 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1018 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1019 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1020 | |
1021 | /* Clip the rectangle to what can be visible. */ | |
1022 | if (left < 0) | |
1023 | left = 0; | |
1024 | if (top < 0) | |
1025 | top = 0; | |
f676886a JB |
1026 | if (right > f->width) |
1027 | right = f->width; | |
1028 | if (bottom > f->height) | |
1029 | bottom = f->height; | |
dc6f92b8 JB |
1030 | |
1031 | /* Get size in chars of the rectangle. */ | |
1032 | cols = right - left; | |
1033 | rows = bottom - top; | |
1034 | ||
1035 | /* If rectangle has zero area, return. */ | |
1036 | if (rows <= 0) return; | |
1037 | if (cols <= 0) return; | |
1038 | ||
1039 | /* Turn off the cursor if it is in the rectangle. | |
1040 | We will turn it back on afterward. */ | |
f676886a JB |
1041 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1042 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1043 | { |
f676886a | 1044 | clear_cursor (f); |
dc6f92b8 JB |
1045 | cursor_cleared = 1; |
1046 | } | |
1047 | ||
1048 | /* Display the text in the rectangle, one text line at a time. */ | |
1049 | ||
1050 | for (y = top; y < bottom; y++) | |
1051 | { | |
f676886a | 1052 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1053 | |
f676886a | 1054 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1055 | continue; |
1056 | ||
f676886a | 1057 | dumpglyphs (f, |
12ba150f JB |
1058 | CHAR_TO_PIXEL_COL (f, left), |
1059 | CHAR_TO_PIXEL_ROW (f, y), | |
1060 | line, min (cols, active_frame->used[y] - left), | |
1061 | active_frame->highlight[y], f->display.x->font); | |
dc6f92b8 JB |
1062 | } |
1063 | ||
1064 | /* Turn the cursor on if we turned it off. */ | |
1065 | ||
1066 | if (cursor_cleared) | |
f676886a | 1067 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1068 | } |
1069 | ||
1070 | #ifndef HAVE_X11 | |
1071 | /* Process all queued ExposeRegion events. */ | |
1072 | ||
1073 | static void | |
1074 | dumpqueue () | |
1075 | { | |
1076 | register int i; | |
1077 | XExposeRegionEvent r; | |
1078 | ||
1079 | while (dequeue_event (&r, &x_expose_queue)) | |
1080 | { | |
f676886a JB |
1081 | struct frame *f = x_window_to_frame (r.window); |
1082 | if (f->display.x->icon_desc == r.window) | |
1083 | refreshicon (f); | |
dc6f92b8 | 1084 | else |
f676886a | 1085 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1086 | } |
1087 | XFlushQueue (); | |
1088 | } | |
c118dd06 | 1089 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1090 | \f |
f451eb13 | 1091 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1092 | Redraws the cursor if necessary on any frame that |
1093 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1094 | |
f451eb13 | 1095 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1096 | static void |
1097 | x_do_pending_expose () | |
1098 | { | |
1099 | int mask; | |
f676886a JB |
1100 | struct frame *f; |
1101 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1102 | |
1103 | if (expose_all_windows) | |
1104 | { | |
1105 | expose_all_windows = 0; | |
f676886a | 1106 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1107 | { |
1108 | register int temp_width, temp_height; | |
1109 | int intborder; | |
1110 | ||
f676886a JB |
1111 | frame = XCONS (tail)->car; |
1112 | if (XTYPE (frame) != Lisp_Frame) | |
dc6f92b8 | 1113 | continue; |
f676886a | 1114 | f = XFRAME (frame); |
b1c884c3 | 1115 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1116 | continue; |
3a88c238 | 1117 | if (!f->async_visible) |
dc6f92b8 | 1118 | continue; |
f676886a | 1119 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1120 | continue; |
1121 | ||
f676886a | 1122 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1123 | |
f676886a | 1124 | clear_cursor (f); |
c118dd06 | 1125 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1126 | temp_width = ((windowinfo.width - 2 * intborder |
f676886a JB |
1127 | - f->display.x->v_scrollbar_width) |
1128 | / FONT_WIDTH (f->display.x->font)); | |
dc6f92b8 | 1129 | temp_height = ((windowinfo.height- 2 * intborder |
f676886a JB |
1130 | - f->display.x->h_scrollbar_height) |
1131 | / FONT_HEIGHT (f->display.x->font)); | |
1132 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1133 | { |
f676886a | 1134 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1135 | max (1, temp_width), 0, 1); |
f676886a | 1136 | x_resize_scrollbars (f); |
dc6f92b8 | 1137 | } |
f676886a JB |
1138 | f->display.x->left_pos = windowinfo.x; |
1139 | f->display.x->top_pos = windowinfo.y; | |
1140 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1141 | #if 0 |
f676886a | 1142 | dumpborder (f, 0); |
c118dd06 | 1143 | #endif /* ! 0 */ |
f676886a JB |
1144 | f->display.x->needs_exposure = 0; |
1145 | if (updating_frame != f) | |
1146 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1147 | XFlushQueue (); |
1148 | } | |
1149 | } | |
1150 | else | |
1151 | /* Handle any individual-rectangle expose events queued | |
1152 | for various windows. */ | |
1153 | #ifdef HAVE_X11 | |
1154 | ; | |
c118dd06 | 1155 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1156 | dumpqueue (); |
c118dd06 | 1157 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1158 | } |
f451eb13 | 1159 | #endif |
dc6f92b8 JB |
1160 | |
1161 | #ifdef HAVE_X11 | |
1162 | static void | |
f676886a JB |
1163 | frame_highlight (frame) |
1164 | struct frame *frame; | |
dc6f92b8 JB |
1165 | { |
1166 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1167 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1168 | frame->display.x->border_pixel); |
1169 | x_display_cursor (frame, 1); | |
dc6f92b8 JB |
1170 | } |
1171 | ||
1172 | static void | |
f676886a JB |
1173 | frame_unhighlight (frame) |
1174 | struct frame *frame; | |
dc6f92b8 JB |
1175 | { |
1176 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1177 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1178 | frame->display.x->border_tile); |
1179 | x_display_cursor (frame, 1); | |
dc6f92b8 | 1180 | } |
c118dd06 | 1181 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1182 | /* Dump the border-emphasis of frame F. |
1183 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1184 | just within the border, occupying a portion of the internal border. |
f676886a | 1185 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1186 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1187 | ||
f676886a | 1188 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1189 | In that case, we also turn the cursor off and on again |
1190 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1191 | ||
1192 | static void | |
f676886a JB |
1193 | dumpborder (f, always) |
1194 | struct frame *f; | |
dc6f92b8 JB |
1195 | int always; |
1196 | { | |
f676886a JB |
1197 | int thickness = f->display.x->internal_border_width / 2; |
1198 | int width = PIXEL_WIDTH (f); | |
1199 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1200 | int pixel; |
1201 | ||
f676886a | 1202 | if (f != selected_frame) |
dc6f92b8 JB |
1203 | { |
1204 | if (!always) | |
1205 | return; | |
1206 | ||
f676886a | 1207 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1208 | } |
1209 | else | |
1210 | { | |
f676886a | 1211 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1212 | } |
1213 | ||
c118dd06 JB |
1214 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1215 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1216 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1217 | thickness, pixel); |
c118dd06 | 1218 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1219 | height, pixel); |
1220 | ||
1221 | if (always) | |
f676886a | 1222 | x_display_cursor (f, 1); |
dc6f92b8 | 1223 | } |
c118dd06 | 1224 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1225 | |
f676886a | 1226 | static void XTframe_rehighlight (); |
6d4238f3 | 1227 | |
f676886a JB |
1228 | /* The focus has changed. Update the frames as necessary to reflect |
1229 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1230 | here, because the lisp code we are interrupting might become confused. |
f676886a | 1231 | Each event gets marked with the frame in which it occured, so the |
6d4238f3 | 1232 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1233 | |
6d4238f3 | 1234 | static void |
f676886a JB |
1235 | x_new_focus_frame (frame) |
1236 | struct frame *frame; | |
dc6f92b8 | 1237 | { |
f676886a | 1238 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1239 | int events_enqueued = 0; |
1240 | ||
f676886a | 1241 | if (frame != x_focus_frame) |
dc6f92b8 | 1242 | { |
6d4238f3 | 1243 | /* Set this before calling other routines, so that they see |
f676886a JB |
1244 | the correct value of x_focus_frame. */ |
1245 | x_focus_frame = frame; | |
6d4238f3 JB |
1246 | |
1247 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1248 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1249 | |
1250 | #if 0 | |
f676886a JB |
1251 | selected_frame = frame; |
1252 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1253 | Lisp_Frame, selected_frame); | |
1254 | Fselect_window (selected_frame->selected_window); | |
1255 | choose_minibuf_frame (); | |
c118dd06 | 1256 | #endif /* ! 0 */ |
dc6f92b8 | 1257 | |
f676886a JB |
1258 | if (x_focus_frame && x_focus_frame->auto_raise) |
1259 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1260 | } |
dc6f92b8 | 1261 | |
f676886a | 1262 | XTframe_rehighlight (); |
6d4238f3 JB |
1263 | } |
1264 | ||
1265 | ||
f451eb13 JB |
1266 | /* The focus has changed, or we have redirected a frame's focus to |
1267 | another frame (this happens when a frame uses a surrogate | |
1268 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1269 | static void |
f676886a | 1270 | XTframe_rehighlight () |
6d4238f3 | 1271 | { |
f676886a | 1272 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1273 | |
f676886a | 1274 | if (x_focus_frame) |
6d4238f3 | 1275 | { |
f451eb13 JB |
1276 | x_highlight_frame = |
1277 | ((XTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) | |
1278 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) | |
1279 | : x_focus_frame); | |
1280 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1281 | { | |
1282 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1283 | x_highlight_frame = x_focus_frame; | |
1284 | } | |
dc6f92b8 | 1285 | } |
6d4238f3 | 1286 | else |
f676886a | 1287 | x_highlight_frame = 0; |
dc6f92b8 | 1288 | |
f676886a | 1289 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1290 | { |
1291 | if (old_highlight) | |
f676886a JB |
1292 | frame_unhighlight (old_highlight); |
1293 | if (x_highlight_frame) | |
1294 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1295 | } |
dc6f92b8 JB |
1296 | } |
1297 | \f | |
90e65f07 JB |
1298 | /* Mouse clicks and mouse movement. Rah. */ |
1299 | #ifdef HAVE_X11 | |
1300 | ||
f676886a | 1301 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return |
90e65f07 JB |
1302 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle |
1303 | that the glyph at X, Y occupies, if BOUNDS != 0. */ | |
1304 | static void | |
f676886a JB |
1305 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds) |
1306 | FRAME_PTR f; | |
dc6f92b8 JB |
1307 | register unsigned int pix_x, pix_y; |
1308 | register int *x, *y; | |
90e65f07 | 1309 | XRectangle *bounds; |
dc6f92b8 | 1310 | { |
12ba150f JB |
1311 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1312 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
90e65f07 JB |
1313 | |
1314 | if (bounds) | |
1315 | { | |
12ba150f JB |
1316 | bounds->width = FONT_WIDTH (f->display.x->font); |
1317 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1318 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1319 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
90e65f07 | 1320 | } |
12ba150f JB |
1321 | |
1322 | if (pix_x < 0) pix_x = 0; | |
1323 | else if (pix_x > f->width) pix_x = f->width; | |
1324 | ||
1325 | if (pix_y < 0) pix_y = 0; | |
1326 | else if (pix_y > f->height) pix_y = f->height; | |
1327 | ||
1328 | *x = pix_x; | |
1329 | *y = pix_y; | |
dc6f92b8 | 1330 | } |
dc6f92b8 JB |
1331 | |
1332 | /* Any buttons grabbed. */ | |
1333 | unsigned int x_mouse_grabbed; | |
1334 | ||
28430d3c JB |
1335 | /* Which modifier keys are on which modifier bits? |
1336 | ||
1337 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1338 | keys were held down when the key was pressed. The interpretation |
1339 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1340 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1341 | is the meta bit. | |
1342 | ||
1343 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1344 | It may have more than one bit set, if more than one modifier bit | |
1345 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1346 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1347 | ||
1348 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1349 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1350 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1351 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1352 | arrangement, the lock modifier should shift the character if | |
1353 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1354 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c JB |
1355 | |
1356 | /* Initialize mode_switch_bit and modifier_meaning. */ | |
1357 | static void | |
1358 | x_find_modifier_meanings () | |
1359 | { | |
f689eb05 | 1360 | int min_code, max_code; |
28430d3c JB |
1361 | KeySym *syms; |
1362 | int syms_per_code; | |
1363 | XModifierKeymap *mods; | |
f689eb05 | 1364 | int alt_mod_mask = 0; |
28430d3c JB |
1365 | |
1366 | x_meta_mod_mask = 0; | |
11edeb03 | 1367 | x_shift_lock_mask = 0; |
28430d3c JB |
1368 | |
1369 | XDisplayKeycodes (x_current_display, &min_code, &max_code); | |
1370 | syms = XGetKeyboardMapping (x_current_display, | |
1371 | min_code, max_code - min_code + 1, | |
1372 | &syms_per_code); | |
1373 | mods = XGetModifierMapping (x_current_display); | |
1374 | ||
11edeb03 JB |
1375 | /* Scan the modifier table to see which modifier bits the Meta and |
1376 | Alt keysyms are on. */ | |
28430d3c JB |
1377 | { |
1378 | int row, col; /* The row and column in the modifier table. */ | |
1379 | ||
1380 | for (row = 3; row < 8; row++) | |
1381 | for (col = 0; col < mods->max_keypermod; col++) | |
1382 | { | |
1383 | KeyCode code = | |
1384 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1385 | ||
1386 | /* Are any of this keycode's keysyms a meta key? */ | |
1387 | { | |
1388 | int code_col; | |
1389 | ||
1390 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1391 | { | |
f689eb05 | 1392 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1393 | |
f689eb05 | 1394 | switch (sym) |
28430d3c | 1395 | { |
f689eb05 JB |
1396 | case XK_Meta_L: |
1397 | case XK_Meta_R: | |
28430d3c JB |
1398 | x_meta_mod_mask |= (1 << row); |
1399 | break; | |
f689eb05 JB |
1400 | |
1401 | case XK_Alt_L: | |
1402 | case XK_Alt_R: | |
1403 | alt_mod_mask |= (1 << row); | |
1404 | break; | |
11edeb03 JB |
1405 | |
1406 | case XK_Shift_Lock: | |
1407 | /* Ignore this if it's not on the lock modifier. */ | |
1408 | if ((1 << row) == LockMask) | |
1409 | x_shift_lock_mask = LockMask; | |
1410 | break; | |
28430d3c JB |
1411 | } |
1412 | } | |
1413 | } | |
1414 | } | |
1415 | } | |
1416 | ||
f689eb05 JB |
1417 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1418 | if (! x_meta_mod_mask) | |
1419 | x_meta_mod_mask = alt_mod_mask; | |
1420 | ||
28430d3c | 1421 | XFree ((char *) syms); |
f689eb05 | 1422 | XFreeModifiermap (mods); |
28430d3c JB |
1423 | } |
1424 | ||
1425 | ||
dc6f92b8 JB |
1426 | /* Convert a set of X modifier bits to the proper form for a |
1427 | struct input_event modifiers value. */ | |
1428 | ||
7c5283e4 | 1429 | static unsigned int |
dc6f92b8 JB |
1430 | x_convert_modifiers (state) |
1431 | unsigned int state; | |
1432 | { | |
11edeb03 JB |
1433 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1434 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
1435 | | ((state & x_meta_mod_mask) ? meta_modifier : 0)); | |
dc6f92b8 JB |
1436 | } |
1437 | ||
dc6f92b8 JB |
1438 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1439 | ||
1440 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1441 | the mouse. */ |
dc6f92b8 JB |
1442 | |
1443 | static Lisp_Object | |
f451eb13 | 1444 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1445 | struct input_event *result; |
1446 | XButtonEvent *event; | |
f676886a | 1447 | struct frame *f; |
dc6f92b8 | 1448 | { |
f451eb13 | 1449 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1450 | otherwise. */ |
f451eb13 JB |
1451 | result->kind = mouse_click; |
1452 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1453 | result->timestamp = event->time; |
dc6f92b8 | 1454 | result->modifiers = (x_convert_modifiers (event->state) |
f689eb05 JB |
1455 | | (event->type == ButtonRelease |
1456 | ? up_modifier | |
1457 | : down_modifier)); | |
dc6f92b8 JB |
1458 | |
1459 | /* Notice if the mouse is still grabbed. */ | |
1460 | if (event->type == ButtonPress) | |
1461 | { | |
1462 | if (! x_mouse_grabbed) | |
1463 | Vmouse_depressed = Qt; | |
90e65f07 | 1464 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1465 | } |
1466 | else if (event->type == ButtonRelease) | |
1467 | { | |
90e65f07 | 1468 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1469 | if (!x_mouse_grabbed) |
1470 | Vmouse_depressed = Qnil; | |
1471 | } | |
1472 | ||
f451eb13 JB |
1473 | { |
1474 | int row, column; | |
dc6f92b8 | 1475 | |
f451eb13 JB |
1476 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1477 | XFASTINT (result->x) = column; | |
1478 | XFASTINT (result->y) = row; | |
12ba150f | 1479 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1480 | } |
dc6f92b8 JB |
1481 | } |
1482 | ||
1483 | ||
90e65f07 JB |
1484 | /* Mouse movement. Rah. |
1485 | ||
1486 | In order to avoid asking for motion events and then throwing most | |
1487 | of them away or busy-polling the server for mouse positions, we ask | |
1488 | the server for pointer motion hints. This means that we get only | |
1489 | one event per group of mouse movements. "Groups" are delimited by | |
1490 | other kinds of events (focus changes and button clicks, for | |
1491 | example), or by XQueryPointer calls; when one of these happens, we | |
1492 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1493 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1494 | tracking is on, and I suspect only negligibly worse when tracking |
1495 | is off. | |
1496 | ||
1497 | The silly O'Reilly & Associates Nutshell guides barely document | |
1498 | pointer motion hints at all (I think you have to infer how they | |
1499 | work from an example), and the description of XQueryPointer doesn't | |
1500 | mention that calling it causes you to get another motion hint from | |
1501 | the server, which is very important. */ | |
1502 | ||
1503 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1504 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1505 | static XRectangle last_mouse_glyph; |
1506 | ||
12ba150f JB |
1507 | /* The scrollbar in which the last X motion event occurred. |
1508 | ||
1509 | If the last X motion event occured in a scrollbar, we set this | |
1510 | so XTmouse_position can know whether to report a scrollbar motion or | |
1511 | an ordinary motion. | |
1512 | ||
1513 | If the last X motion event didn't occur in a scrollbar, we set this | |
1514 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
1515 | static Lisp_Object last_mouse_scrollbar; | |
f451eb13 | 1516 | |
e5d77022 JB |
1517 | /* This is a hack. We would really prefer that XTmouse_position would |
1518 | return the time associated with the position it returns, but there | |
1519 | doesn't seem to be any way to wrest the timestamp from the server | |
1520 | along with the position query. So, we just keep track of the time | |
1521 | of the last movement we received, and return that in hopes that | |
1522 | it's somewhat accurate. */ | |
1523 | static Time last_mouse_movement_time; | |
1524 | ||
90e65f07 JB |
1525 | /* Function to report a mouse movement to the mainstream Emacs code. |
1526 | The input handler calls this. | |
1527 | ||
1528 | We have received a mouse movement event, which is given in *event. | |
1529 | If the mouse is over a different glyph than it was last time, tell | |
1530 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1531 | another motion event, so we can check again the next time it moves. */ | |
1532 | static void | |
12ba150f | 1533 | note_mouse_movement (frame, event) |
f676886a | 1534 | FRAME_PTR frame; |
90e65f07 JB |
1535 | XMotionEvent *event; |
1536 | ||
1537 | { | |
e5d77022 JB |
1538 | last_mouse_movement_time = event->time; |
1539 | ||
90e65f07 JB |
1540 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1541 | if (event->x < last_mouse_glyph.x | |
1542 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1543 | || event->y < last_mouse_glyph.y | |
1544 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1545 | { |
1546 | mouse_moved = 1; | |
1547 | last_mouse_scrollbar = Qnil; | |
1548 | } | |
90e65f07 JB |
1549 | else |
1550 | { | |
1551 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1552 | event the next time the mouse moves and we can see if it's | |
1553 | *still* on the same glyph. */ | |
1554 | int dummy; | |
1555 | ||
1556 | XQueryPointer (event->display, event->window, | |
1557 | (Window *) &dummy, (Window *) &dummy, | |
1558 | &dummy, &dummy, &dummy, &dummy, | |
1559 | (unsigned int *) &dummy); | |
1560 | } | |
1561 | } | |
1562 | ||
12ba150f JB |
1563 | static struct scrollbar *x_window_to_scrollbar (); |
1564 | static void x_scrollbar_report_motion (); | |
1565 | ||
90e65f07 JB |
1566 | /* Return the current position of the mouse. |
1567 | ||
12ba150f JB |
1568 | If the mouse movement started in a scrollbar, set *f, *bar_window, |
1569 | and *part to the frame, window, and scrollbar part that the mouse | |
1570 | is over. Set *x and *y to the portion and whole of the mouse's | |
1571 | position on the scrollbar. | |
1572 | ||
1573 | If the mouse movement started elsewhere, set *f to the frame the | |
1574 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1575 | the mouse is over. | |
1576 | ||
1577 | Set *time to the server timestamp for the time at which the mouse | |
1578 | was at this position. | |
1579 | ||
90e65f07 | 1580 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1581 | movement. This also calls XQueryPointer, which will cause the |
1582 | server to give us another MotionNotify when the mouse moves | |
1583 | again. */ | |
90e65f07 JB |
1584 | |
1585 | static void | |
12ba150f | 1586 | XTmouse_position (f, bar_window, part, x, y, time) |
f676886a | 1587 | FRAME_PTR *f; |
12ba150f | 1588 | Lisp_Object *bar_window; |
f451eb13 | 1589 | enum scrollbar_part *part; |
90e65f07 | 1590 | Lisp_Object *x, *y; |
e5d77022 | 1591 | unsigned long *time; |
90e65f07 | 1592 | { |
90e65f07 JB |
1593 | BLOCK_INPUT; |
1594 | ||
12ba150f JB |
1595 | if (! NILP (last_mouse_scrollbar)) |
1596 | x_scrollbar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1597 | else |
1598 | { | |
12ba150f JB |
1599 | Window root; |
1600 | int root_x, root_y; | |
90e65f07 | 1601 | |
12ba150f JB |
1602 | Window dummy_window; |
1603 | int dummy; | |
1604 | ||
1605 | mouse_moved = 0; | |
1606 | last_mouse_scrollbar = Qnil; | |
1607 | ||
1608 | /* Figure out which root window we're on. */ | |
1609 | XQueryPointer (x_current_display, | |
1610 | DefaultRootWindow (x_current_display), | |
1611 | ||
1612 | /* The root window which contains the pointer. */ | |
1613 | &root, | |
1614 | ||
1615 | /* Trash which we can't trust if the pointer is on | |
1616 | a different screen. */ | |
1617 | &dummy_window, | |
1618 | ||
1619 | /* The position on that root window. */ | |
1620 | &root_x, &root_y, | |
1621 | ||
1622 | /* More trash we can't trust. */ | |
1623 | &dummy, &dummy, | |
1624 | ||
1625 | /* Modifier keys and pointer buttons, about which | |
1626 | we don't care. */ | |
1627 | (unsigned int *) &dummy); | |
1628 | ||
1629 | /* Now we have a position on the root; find the innermost window | |
1630 | containing the pointer. */ | |
1631 | { | |
1632 | Window win, child; | |
1633 | int win_x, win_y; | |
1634 | int parent_x, parent_y; | |
1635 | ||
1636 | win = root; | |
1637 | for (;;) | |
1638 | { | |
1639 | XTranslateCoordinates (x_current_display, | |
1640 | ||
1641 | /* From-window, to-window. */ | |
1642 | root, win, | |
1643 | ||
1644 | /* From-position, to-position. */ | |
1645 | root_x, root_y, &win_x, &win_y, | |
1646 | ||
1647 | /* Child of win. */ | |
1648 | &child); | |
1649 | ||
1650 | if (child == None) | |
1651 | break; | |
1652 | ||
1653 | win = child; | |
1654 | parent_x = win_x; | |
1655 | parent_y = win_y; | |
1656 | } | |
1657 | ||
1658 | /* Now we know that: | |
1659 | win is the innermost window containing the pointer | |
1660 | (XTC says it has no child containing the pointer), | |
1661 | win_x and win_y are the pointer's position in it | |
1662 | (XTC did this the last time through), and | |
1663 | parent_x and parent_y are the pointer's position in win's parent. | |
1664 | (They are what win_x and win_y were when win was child. | |
1665 | If win is the root window, it has no parent, and | |
1666 | parent_{x,y} are invalid, but that's okay, because we'll | |
1667 | never use them in that case.) */ | |
1668 | ||
1669 | /* Is win one of our frames? */ | |
1670 | *f = x_window_to_frame (win); | |
1671 | ||
1672 | /* If not, is it one of our scrollbars? */ | |
1673 | if (! *f) | |
1674 | { | |
1675 | struct scrollbar *bar = x_window_to_scrollbar (win); | |
1676 | ||
1677 | if (bar) | |
1678 | { | |
1679 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1680 | win_x = parent_x; | |
1681 | win_y = parent_y; | |
1682 | } | |
1683 | } | |
90e65f07 | 1684 | |
12ba150f JB |
1685 | if (*f) |
1686 | { | |
1687 | pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y, | |
1688 | &last_mouse_glyph); | |
1689 | ||
1690 | *bar_window = Qnil; | |
1691 | *part = 0; | |
1692 | XSET (*x, Lisp_Int, win_x); | |
1693 | XSET (*y, Lisp_Int, win_y); | |
1694 | *time = last_mouse_movement_time; | |
1695 | } | |
1696 | } | |
1697 | } | |
90e65f07 JB |
1698 | |
1699 | UNBLOCK_INPUT; | |
1700 | } | |
1701 | ||
c118dd06 | 1702 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1703 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1704 | #endif /* ! defined (HAVE_X11) */ |
1705 | \f | |
f451eb13 JB |
1706 | /* Scrollbar support. */ |
1707 | ||
12ba150f | 1708 | /* Given an X window ID, find the struct scrollbar which manages it. */ |
f451eb13 JB |
1709 | static struct scrollbar * |
1710 | x_window_to_scrollbar (window_id) | |
1711 | Window window_id; | |
1712 | { | |
1713 | Lisp_Object tail, frame; | |
f451eb13 JB |
1714 | |
1715 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) | |
1716 | { | |
f451eb13 | 1717 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1718 | Lisp_Object bar, condemned; |
f451eb13 JB |
1719 | |
1720 | /* All elements of Vframe_list should be frames. */ | |
1721 | if (XTYPE (frame) != Lisp_Frame) | |
1722 | abort (); | |
1723 | ||
1724 | /* Scan this frame's scrollbar list for a scrollbar with the | |
1725 | right window ID. */ | |
cf7cb199 | 1726 | condemned = FRAME_CONDEMNED_SCROLLBARS (XFRAME (frame)); |
12ba150f | 1727 | for (bar = FRAME_SCROLLBARS (XFRAME (frame)); |
cf7cb199 JB |
1728 | /* This trick allows us to search both the ordinary and |
1729 | condemned scrollbar lists with one loop. */ | |
1730 | ! NILP (bar) || (bar = condemned, condemned = Qnil, ! NILP (bar)); | |
12ba150f JB |
1731 | bar = XSCROLLBAR(bar)->next) |
1732 | if (SCROLLBAR_X_WINDOW (XSCROLLBAR (bar)) == window_id) | |
1733 | return XSCROLLBAR (bar); | |
f451eb13 JB |
1734 | } |
1735 | ||
1736 | return 0; | |
1737 | } | |
1738 | ||
12ba150f JB |
1739 | /* Open a new X window to serve as a scrollbar, and return the |
1740 | scrollbar vector for it. */ | |
f451eb13 | 1741 | static struct scrollbar * |
12ba150f JB |
1742 | x_scrollbar_create (window, top, left, width, height) |
1743 | struct window *window; | |
f451eb13 JB |
1744 | int top, left, width, height; |
1745 | { | |
12ba150f | 1746 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
f451eb13 | 1747 | struct scrollbar *bar = |
12ba150f | 1748 | XSCROLLBAR (Fmake_vector (make_number (SCROLLBAR_VEC_SIZE), Qnil)); |
f451eb13 JB |
1749 | |
1750 | BLOCK_INPUT; | |
1751 | ||
1752 | { | |
1753 | XSetWindowAttributes a; | |
1754 | unsigned long mask; | |
1755 | ||
12ba150f JB |
1756 | a.background_pixel = frame->display.x->background_pixel; |
1757 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1758 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1759 | | ExposureMask); |
f451eb13 | 1760 | a.cursor = x_vertical_scrollbar_cursor; |
c0ff3fab | 1761 | a.win_gravity = EastGravity; |
f451eb13 | 1762 | |
c0ff3fab | 1763 | mask = (CWBackPixel | CWEventMask | CWCursor | CWWinGravity); |
f451eb13 | 1764 | |
12ba150f JB |
1765 | SET_SCROLLBAR_X_WINDOW |
1766 | (bar, | |
1767 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1768 | |
12ba150f JB |
1769 | /* Position and size of scrollbar. */ |
1770 | left, top, width, height, | |
f451eb13 | 1771 | |
12ba150f JB |
1772 | /* Border width, depth, class, and visual. */ |
1773 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1774 | |
12ba150f JB |
1775 | /* Attributes. */ |
1776 | mask, &a)); | |
f451eb13 JB |
1777 | } |
1778 | ||
12ba150f JB |
1779 | XSET (bar->window, Lisp_Window, window); |
1780 | XSET (bar->top, Lisp_Int, top); | |
1781 | XSET (bar->left, Lisp_Int, left); | |
1782 | XSET (bar->width, Lisp_Int, width); | |
1783 | XSET (bar->height, Lisp_Int, height); | |
1784 | XSET (bar->start, Lisp_Int, 0); | |
1785 | XSET (bar->end, Lisp_Int, 0); | |
1786 | bar->dragging = Qnil; | |
f451eb13 JB |
1787 | |
1788 | /* Add bar to its frame's list of scroll bars. */ | |
12ba150f JB |
1789 | bar->next = FRAME_SCROLLBARS (frame); |
1790 | bar->prev = Qnil; | |
1791 | XSET (FRAME_SCROLLBARS (frame), Lisp_Vector, bar); | |
1792 | if (! NILP (bar->next)) | |
1793 | XSET (XSCROLLBAR (bar->next)->prev, Lisp_Vector, bar); | |
f451eb13 | 1794 | |
12ba150f | 1795 | XMapWindow (x_current_display, SCROLLBAR_X_WINDOW (bar)); |
f451eb13 JB |
1796 | |
1797 | UNBLOCK_INPUT; | |
12ba150f JB |
1798 | |
1799 | return bar; | |
f451eb13 JB |
1800 | } |
1801 | ||
12ba150f JB |
1802 | /* Draw BAR's handle in the proper position. |
1803 | If the handle is already drawn from START to END, don't bother | |
1804 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1805 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1806 | events.) | |
1807 | ||
1808 | Normally, we want to constrain the start and end of the handle to | |
1809 | fit inside its rectangle, but if the user is dragging the scrollbar | |
1810 | handle, we want to let them drag it down all the way, so that the | |
1811 | bar's top is as far down as it goes; otherwise, there's no way to | |
1812 | move to the very end of the buffer. */ | |
f451eb13 | 1813 | static void |
12ba150f | 1814 | x_scrollbar_set_handle (bar, start, end, rebuild) |
f451eb13 JB |
1815 | struct scrollbar *bar; |
1816 | int start, end; | |
12ba150f | 1817 | int rebuild; |
f451eb13 | 1818 | { |
12ba150f JB |
1819 | int dragging = ! NILP (bar->dragging); |
1820 | Window w = SCROLLBAR_X_WINDOW (bar); | |
1821 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; | |
1822 | ||
1823 | /* If the display is already accurate, do nothing. */ | |
1824 | if (! rebuild | |
1825 | && start == XINT (bar->start) | |
1826 | && end == XINT (bar->end)) | |
1827 | return; | |
1828 | ||
f451eb13 JB |
1829 | BLOCK_INPUT; |
1830 | ||
1831 | { | |
12ba150f JB |
1832 | int inside_width = VERTICAL_SCROLLBAR_INSIDE_WIDTH (XINT (bar->width)); |
1833 | int inside_height = VERTICAL_SCROLLBAR_INSIDE_HEIGHT (XINT (bar->height)); | |
1834 | int top_range = VERTICAL_SCROLLBAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
1835 | |
1836 | /* Make sure the values are reasonable, and try to preserve | |
1837 | the distance between start and end. */ | |
12ba150f JB |
1838 | { |
1839 | int length = end - start; | |
1840 | ||
1841 | if (start < 0) | |
1842 | start = 0; | |
1843 | else if (start > top_range) | |
1844 | start = top_range; | |
1845 | end = start + length; | |
1846 | ||
1847 | if (end < start) | |
1848 | end = start; | |
1849 | else if (end > top_range && ! dragging) | |
1850 | end = top_range; | |
1851 | } | |
f451eb13 | 1852 | |
12ba150f JB |
1853 | /* Store the adjusted setting in the scrollbar. */ |
1854 | XSET (bar->start, Lisp_Int, start); | |
1855 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 1856 | |
12ba150f JB |
1857 | /* Clip the end position, just for display. */ |
1858 | if (end > top_range) | |
1859 | end = top_range; | |
f451eb13 | 1860 | |
12ba150f JB |
1861 | /* Draw bottom positions VERTICAL_SCROLLBAR_MIN_HANDLE pixels |
1862 | below top positions, to make sure the handle is always at least | |
1863 | that many pixels tall. */ | |
1864 | end += VERTICAL_SCROLLBAR_MIN_HANDLE; | |
f451eb13 | 1865 | |
12ba150f JB |
1866 | /* Draw the empty space above the handle. Note that we can't clear |
1867 | zero-height areas; that means "clear to end of window." */ | |
1868 | if (0 < start) | |
1869 | XClearArea (x_current_display, w, | |
f451eb13 | 1870 | |
12ba150f JB |
1871 | /* x, y, width, height, and exposures. */ |
1872 | VERTICAL_SCROLLBAR_LEFT_BORDER, | |
1873 | VERTICAL_SCROLLBAR_TOP_BORDER, | |
1874 | inside_width, start, | |
1875 | False); | |
f451eb13 | 1876 | |
12ba150f JB |
1877 | /* Draw the handle itself. */ |
1878 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 1879 | |
12ba150f JB |
1880 | /* x, y, width, height */ |
1881 | VERTICAL_SCROLLBAR_LEFT_BORDER, | |
1882 | VERTICAL_SCROLLBAR_TOP_BORDER + start, | |
1883 | inside_width, end - start); | |
f451eb13 | 1884 | |
f451eb13 | 1885 | |
12ba150f JB |
1886 | /* Draw the empty space below the handle. Note that we can't |
1887 | clear zero-height areas; that means "clear to end of window." */ | |
1888 | if (end < inside_height) | |
1889 | XClearArea (x_current_display, w, | |
f451eb13 | 1890 | |
12ba150f JB |
1891 | /* x, y, width, height, and exposures. */ |
1892 | VERTICAL_SCROLLBAR_LEFT_BORDER, | |
1893 | VERTICAL_SCROLLBAR_TOP_BORDER + end, | |
1894 | inside_width, inside_height - end, | |
1895 | False); | |
f451eb13 | 1896 | |
f451eb13 JB |
1897 | } |
1898 | ||
f451eb13 JB |
1899 | UNBLOCK_INPUT; |
1900 | } | |
1901 | ||
12ba150f JB |
1902 | /* Move a scrollbar around on the screen, to accomodate changing |
1903 | window configurations. */ | |
f451eb13 JB |
1904 | static void |
1905 | x_scrollbar_move (bar, top, left, width, height) | |
1906 | struct scrollbar *bar; | |
1907 | int top, left, width, height; | |
1908 | { | |
1909 | BLOCK_INPUT; | |
1910 | ||
1911 | { | |
1912 | XWindowChanges wc; | |
1913 | unsigned int mask = 0; | |
1914 | ||
1915 | wc.x = left; | |
1916 | wc.y = top; | |
1917 | wc.width = width; | |
1918 | wc.height = height; | |
1919 | ||
12ba150f JB |
1920 | if (left != XINT (bar->left)) mask |= CWX; |
1921 | if (top != XINT (bar->top)) mask |= CWY; | |
1922 | if (width != XINT (bar->width)) mask |= CWWidth; | |
1923 | if (height != XINT (bar->height)) mask |= CWHeight; | |
1924 | ||
1925 | if (mask) | |
1926 | XConfigureWindow (x_current_display, SCROLLBAR_X_WINDOW (bar), | |
1927 | mask, &wc); | |
f451eb13 JB |
1928 | } |
1929 | ||
12ba150f JB |
1930 | XSET (bar->left, Lisp_Int, left); |
1931 | XSET (bar->top, Lisp_Int, top); | |
1932 | XSET (bar->width, Lisp_Int, width); | |
1933 | XSET (bar->height, Lisp_Int, height); | |
1934 | ||
f451eb13 JB |
1935 | UNBLOCK_INPUT; |
1936 | } | |
1937 | ||
12ba150f JB |
1938 | /* Destroy the X window for BAR, and set its Emacs window's scrollbar |
1939 | to nil. */ | |
1940 | static void | |
1941 | x_scrollbar_remove (bar) | |
f451eb13 | 1942 | struct scrollbar *bar; |
12ba150f JB |
1943 | { |
1944 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1945 | ||
1946 | BLOCK_INPUT; | |
1947 | ||
1948 | /* Destroy the window. */ | |
1949 | XDestroyWindow (x_current_display, SCROLLBAR_X_WINDOW (bar)); | |
1950 | ||
1951 | /* Disassociate this scrollbar from its window. */ | |
1952 | XWINDOW (bar->window)->vertical_scrollbar = Qnil; | |
1953 | ||
1954 | UNBLOCK_INPUT; | |
1955 | } | |
1956 | ||
1957 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
1958 | that we are displaying PORTION characters out of a total of WHOLE | |
1959 | characters, starting at POSITION. If WINDOW has no scrollbar, | |
1960 | create one. */ | |
1961 | static void | |
1962 | XTset_vertical_scrollbar (window, portion, whole, position) | |
f451eb13 JB |
1963 | struct window *window; |
1964 | int portion, whole, position; | |
1965 | { | |
1966 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 JB |
1967 | int top = XINT (window->top); |
1968 | int left = WINDOW_VERTICAL_SCROLLBAR_COLUMN (window); | |
1969 | int height = WINDOW_VERTICAL_SCROLLBAR_HEIGHT (window); | |
1970 | ||
1971 | /* Where should this scrollbar be, pixelwise? */ | |
12ba150f JB |
1972 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
1973 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
f451eb13 JB |
1974 | int pixel_width = VERTICAL_SCROLLBAR_PIXEL_WIDTH (f); |
1975 | int pixel_height = VERTICAL_SCROLLBAR_PIXEL_HEIGHT (f, height); | |
1976 | ||
12ba150f JB |
1977 | struct scrollbar *bar; |
1978 | ||
f451eb13 | 1979 | /* Does the scrollbar exist yet? */ |
12ba150f JB |
1980 | if (NILP (window->vertical_scrollbar)) |
1981 | bar = x_scrollbar_create (window, | |
f451eb13 JB |
1982 | pixel_top, pixel_left, |
1983 | pixel_width, pixel_height); | |
1984 | else | |
12ba150f JB |
1985 | { |
1986 | /* It may just need to be moved and resized. */ | |
1987 | bar = XSCROLLBAR (window->vertical_scrollbar); | |
1988 | x_scrollbar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
1989 | } | |
f451eb13 JB |
1990 | |
1991 | /* Set the scrollbar's current state, unless we're currently being | |
1992 | dragged. */ | |
12ba150f | 1993 | if (NILP (bar->dragging)) |
f451eb13 | 1994 | { |
12ba150f JB |
1995 | int top_range = |
1996 | VERTICAL_SCROLLBAR_TOP_RANGE (pixel_height); | |
f451eb13 | 1997 | |
12ba150f JB |
1998 | if (whole == 0) |
1999 | x_scrollbar_set_handle (bar, 0, top_range, 0); | |
2000 | else | |
2001 | { | |
2002 | int start = (position * top_range) / whole; | |
2003 | int end = ((position + portion) * top_range) / whole; | |
2004 | ||
2005 | x_scrollbar_set_handle (bar, start, end, 0); | |
2006 | } | |
f451eb13 JB |
2007 | } |
2008 | ||
12ba150f | 2009 | XSET (window->vertical_scrollbar, Lisp_Vector, bar); |
f451eb13 JB |
2010 | } |
2011 | ||
12ba150f | 2012 | |
f451eb13 JB |
2013 | /* The following three hooks are used when we're doing a thorough |
2014 | redisplay of the frame. We don't explicitly know which scrollbars | |
2015 | are going to be deleted, because keeping track of when windows go | |
12ba150f JB |
2016 | away is a real pain - "Can you say set-window-configuration, boys |
2017 | and girls?" Instead, we just assert at the beginning of redisplay | |
2018 | that *all* scrollbars are to be removed, and then save a scrollbar | |
2019 | from the fiery pit when we actually redisplay its window. */ | |
f451eb13 JB |
2020 | |
2021 | /* Arrange for all scrollbars on FRAME to be removed at the next call | |
2022 | to `*judge_scrollbars_hook'. A scrollbar may be spared if | |
12ba150f | 2023 | `*redeem_scrollbar_hook' is applied to its window before the judgement. */ |
f451eb13 JB |
2024 | static void |
2025 | XTcondemn_scrollbars (frame) | |
2026 | FRAME_PTR frame; | |
2027 | { | |
12ba150f JB |
2028 | /* The condemned list should be empty at this point; if it's not, |
2029 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2030 | protocol correctly. */ | |
2031 | if (! NILP (FRAME_CONDEMNED_SCROLLBARS (frame))) | |
2032 | abort (); | |
2033 | ||
2034 | /* Move them all to the "condemned" list. */ | |
2035 | FRAME_CONDEMNED_SCROLLBARS (frame) = FRAME_SCROLLBARS (frame); | |
2036 | FRAME_SCROLLBARS (frame) = Qnil; | |
f451eb13 JB |
2037 | } |
2038 | ||
12ba150f JB |
2039 | /* Unmark WINDOW's scrollbar for deletion in this judgement cycle. |
2040 | Note that WINDOW isn't necessarily condemned at all. */ | |
f451eb13 | 2041 | static void |
12ba150f JB |
2042 | XTredeem_scrollbar (window) |
2043 | struct window *window; | |
f451eb13 | 2044 | { |
12ba150f JB |
2045 | struct scrollbar *bar; |
2046 | ||
2047 | /* We can't redeem this window's scrollbar if it doesn't have one. */ | |
2048 | if (NILP (window->vertical_scrollbar)) | |
2049 | abort (); | |
2050 | ||
2051 | bar = XSCROLLBAR (window->vertical_scrollbar); | |
2052 | ||
2053 | /* Unlink it from the condemned list. */ | |
2054 | { | |
2055 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2056 | ||
2057 | if (NILP (bar->prev)) | |
2058 | { | |
2059 | /* If the prev pointer is nil, it must be the first in one of | |
2060 | the lists. */ | |
2061 | if (EQ (FRAME_SCROLLBARS (f), window->vertical_scrollbar)) | |
2062 | /* It's not condemned. Everything's fine. */ | |
2063 | return; | |
2064 | else if (EQ (FRAME_CONDEMNED_SCROLLBARS (f), | |
2065 | window->vertical_scrollbar)) | |
2066 | FRAME_CONDEMNED_SCROLLBARS (f) = bar->next; | |
2067 | else | |
2068 | /* If its prev pointer is nil, it must be at the front of | |
2069 | one or the other! */ | |
2070 | abort (); | |
2071 | } | |
2072 | else | |
2073 | XSCROLLBAR (bar->prev)->next = bar->next; | |
2074 | ||
2075 | if (! NILP (bar->next)) | |
2076 | XSCROLLBAR (bar->next)->prev = bar->prev; | |
2077 | ||
2078 | bar->next = FRAME_SCROLLBARS (f); | |
2079 | bar->prev = Qnil; | |
2080 | XSET (FRAME_SCROLLBARS (f), Lisp_Vector, bar); | |
2081 | if (! NILP (bar->next)) | |
2082 | XSET (XSCROLLBAR (bar->next)->prev, Lisp_Vector, bar); | |
2083 | } | |
f451eb13 JB |
2084 | } |
2085 | ||
2086 | /* Remove all scrollbars on FRAME that haven't been saved since the | |
2087 | last call to `*condemn_scrollbars_hook'. */ | |
2088 | static void | |
12ba150f JB |
2089 | XTjudge_scrollbars (f) |
2090 | FRAME_PTR f; | |
f451eb13 | 2091 | { |
12ba150f | 2092 | Lisp_Object bar, next; |
f451eb13 | 2093 | |
cf7cb199 JB |
2094 | bar = FRAME_CONDEMNED_SCROLLBARS (f); |
2095 | ||
2096 | /* Clear out the condemned list now so we won't try to process any | |
2097 | more events on the hapless scrollbars. */ | |
2098 | FRAME_CONDEMNED_SCROLLBARS (f) = Qnil; | |
2099 | ||
2100 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2101 | { |
12ba150f JB |
2102 | struct scrollbar *b = XSCROLLBAR (bar); |
2103 | ||
2104 | x_scrollbar_remove (b); | |
2105 | ||
2106 | next = b->next; | |
2107 | b->next = b->prev = Qnil; | |
f451eb13 | 2108 | } |
12ba150f | 2109 | |
12ba150f JB |
2110 | /* Now there should be no references to the condemned scrollbars, |
2111 | and they should get garbage-collected. */ | |
f451eb13 JB |
2112 | } |
2113 | ||
2114 | ||
2115 | /* Handle an Expose or GraphicsExpose event on a scrollbar. */ | |
2116 | static void | |
2117 | x_scrollbar_expose (bar, event) | |
2118 | struct scrollbar *bar; | |
2119 | XEvent *event; | |
2120 | { | |
12ba150f JB |
2121 | Window w = SCROLLBAR_X_WINDOW (bar); |
2122 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; | |
2123 | ||
f451eb13 JB |
2124 | BLOCK_INPUT; |
2125 | ||
12ba150f | 2126 | x_scrollbar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2127 | |
12ba150f JB |
2128 | /* Draw a one-pixel border just inside the edges of the scrollbar. */ |
2129 | XDrawRectangle (x_current_display, w, gc, | |
f451eb13 JB |
2130 | |
2131 | /* x, y, width, height */ | |
12ba150f | 2132 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2133 | |
12ba150f JB |
2134 | /* Draw another line to make the extra-thick border on the right. */ |
2135 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2136 | |
12ba150f JB |
2137 | /* x, y, width, height */ |
2138 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2139 | |
2140 | UNBLOCK_INPUT; | |
2141 | } | |
2142 | ||
2143 | /* Handle a mouse click on the scrollbar BAR. If *EMACS_EVENT's kind | |
2144 | is set to something other than no_event, it is enqueued. */ | |
2145 | static void | |
2146 | x_scrollbar_handle_click (bar, event, emacs_event) | |
2147 | struct scrollbar *bar; | |
2148 | XEvent *event; | |
2149 | struct input_event *emacs_event; | |
2150 | { | |
12ba150f JB |
2151 | if (XTYPE (bar->window) != Lisp_Window) |
2152 | abort (); | |
2153 | ||
f451eb13 | 2154 | emacs_event->kind = scrollbar_click; |
12ba150f | 2155 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 JB |
2156 | emacs_event->modifiers = |
2157 | (x_convert_modifiers (event->xbutton.state) | |
2158 | | (event->type == ButtonRelease | |
2159 | ? up_modifier | |
2160 | : down_modifier)); | |
12ba150f | 2161 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2162 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2163 | { |
2164 | int internal_height = | |
2165 | VERTICAL_SCROLLBAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2166 | int top_range = | |
2167 | VERTICAL_SCROLLBAR_TOP_RANGE (XINT (bar->height)); | |
2168 | int y = event->xbutton.y - VERTICAL_SCROLLBAR_TOP_BORDER; | |
2169 | ||
2170 | if (y < 0) y = 0; | |
2171 | if (y > top_range) y = top_range; | |
2172 | ||
2173 | if (y < XINT (bar->start)) | |
2174 | emacs_event->part = scrollbar_above_handle; | |
2175 | else if (y < XINT (bar->end) + VERTICAL_SCROLLBAR_MIN_HANDLE) | |
2176 | emacs_event->part = scrollbar_handle; | |
2177 | else | |
2178 | emacs_event->part = scrollbar_below_handle; | |
2179 | ||
2180 | /* If the user has just clicked on the handle, record where they're | |
2181 | holding it. */ | |
2182 | if (event->type == ButtonPress | |
2183 | && emacs_event->part == scrollbar_handle) | |
2184 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); | |
2185 | ||
2186 | /* If the user has released the handle, set it to its final position. */ | |
2187 | if (event->type == ButtonRelease | |
2188 | && ! NILP (bar->dragging)) | |
2189 | { | |
2190 | int new_start = y - XINT (bar->dragging); | |
2191 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2192 | |
12ba150f JB |
2193 | x_scrollbar_set_handle (bar, new_start, new_end, 0); |
2194 | bar->dragging = Qnil; | |
2195 | } | |
f451eb13 | 2196 | |
12ba150f JB |
2197 | /* Clicks on the handle are always reported as occuring at the top of |
2198 | the handle. */ | |
2199 | if (emacs_event->part == scrollbar_handle) | |
2200 | emacs_event->x = bar->start; | |
2201 | else | |
2202 | XSET (emacs_event->x, Lisp_Int, y); | |
f451eb13 | 2203 | |
12ba150f JB |
2204 | XSET (emacs_event->y, Lisp_Int, top_range); |
2205 | } | |
2206 | } | |
f451eb13 JB |
2207 | |
2208 | /* Handle some mouse motion while someone is dragging the scrollbar. */ | |
2209 | static void | |
12ba150f | 2210 | x_scrollbar_note_movement (bar, event) |
f451eb13 JB |
2211 | struct scrollbar *bar; |
2212 | XEvent *event; | |
2213 | { | |
2214 | last_mouse_movement_time = event->xmotion.time; | |
2215 | ||
2216 | mouse_moved = 1; | |
12ba150f | 2217 | XSET (last_mouse_scrollbar, Lisp_Vector, bar); |
f451eb13 JB |
2218 | |
2219 | /* If we're dragging the bar, display it. */ | |
12ba150f | 2220 | if (! NILP (bar->dragging)) |
f451eb13 JB |
2221 | { |
2222 | /* Where should the handle be now? */ | |
12ba150f | 2223 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2224 | |
12ba150f | 2225 | if (new_start != XINT (bar->start)) |
f451eb13 | 2226 | { |
12ba150f | 2227 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2228 | |
12ba150f | 2229 | x_scrollbar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2230 | } |
2231 | } | |
2232 | ||
2233 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2234 | moves and we can see *still* on the same position. */ | |
2235 | { | |
2236 | int dummy; | |
2237 | ||
2238 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2239 | (Window *) &dummy, (Window *) &dummy, | |
2240 | &dummy, &dummy, &dummy, &dummy, | |
2241 | (unsigned int *) &dummy); | |
2242 | } | |
2243 | } | |
2244 | ||
12ba150f JB |
2245 | /* Return information to the user about the current position of the mouse |
2246 | on the scrollbar. */ | |
2247 | static void | |
2248 | x_scrollbar_report_motion (f, bar_window, part, x, y, time) | |
2249 | FRAME_PTR *f; | |
2250 | Lisp_Object *bar_window; | |
2251 | enum scrollbar_part *part; | |
2252 | Lisp_Object *x, *y; | |
2253 | unsigned long *time; | |
2254 | { | |
2255 | struct scrollbar *bar = XSCROLLBAR (last_mouse_scrollbar); | |
2256 | int win_x, win_y; | |
2257 | ||
cf7cb199 JB |
2258 | BLOCK_INPUT; |
2259 | ||
12ba150f JB |
2260 | /* Get the mouse's position relative to the scrollbar window, and |
2261 | report that. */ | |
2262 | { | |
2263 | Window dummy_window; | |
2264 | int dummy_coord; | |
2265 | unsigned int dummy_mask; | |
2266 | ||
2267 | if (! XQueryPointer (x_current_display, | |
2268 | SCROLLBAR_X_WINDOW (bar), | |
2269 | ||
2270 | /* Root, child, root x and root y. */ | |
2271 | &dummy_window, &dummy_window, | |
2272 | &dummy_coord, &dummy_coord, | |
2273 | ||
2274 | /* Position relative to scrollbar. */ | |
2275 | &win_x, &win_y, | |
2276 | ||
2277 | /* Mouse buttons and modifier keys. */ | |
2278 | &dummy_mask)) | |
2279 | { | |
2280 | *f = 0; | |
cf7cb199 | 2281 | goto done; |
12ba150f JB |
2282 | } |
2283 | } | |
2284 | ||
2285 | { | |
2286 | int inside_height = VERTICAL_SCROLLBAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2287 | int top_range = VERTICAL_SCROLLBAR_TOP_RANGE (XINT (bar->height)); | |
2288 | ||
2289 | win_y -= VERTICAL_SCROLLBAR_TOP_BORDER; | |
2290 | ||
2291 | if (! NILP (bar->dragging)) | |
2292 | win_y -= XINT (bar->dragging); | |
2293 | ||
2294 | if (win_y < 0) | |
2295 | win_y = 0; | |
2296 | if (win_y > top_range) | |
2297 | win_y = top_range; | |
2298 | ||
2299 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2300 | *bar_window = bar->window; | |
2301 | ||
2302 | if (! NILP (bar->dragging)) | |
2303 | *part = scrollbar_handle; | |
2304 | else if (win_y < XINT (bar->start)) | |
2305 | *part = scrollbar_above_handle; | |
2306 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLLBAR_MIN_HANDLE) | |
2307 | *part = scrollbar_handle; | |
2308 | else | |
2309 | *part = scrollbar_below_handle; | |
2310 | ||
2311 | XSET (*x, Lisp_Int, win_y); | |
2312 | XSET (*y, Lisp_Int, top_range); | |
2313 | *time = last_mouse_movement_time; | |
2314 | } | |
2315 | ||
2316 | mouse_moved = 0; | |
2317 | last_mouse_scrollbar = Qnil; | |
cf7cb199 JB |
2318 | |
2319 | done: | |
2320 | UNBLOCK_INPUT; | |
12ba150f JB |
2321 | } |
2322 | ||
f451eb13 JB |
2323 | |
2324 | \f | |
2325 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2326 | |
dc6f92b8 JB |
2327 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2328 | but we have to put it out here, since static variables within functions | |
2329 | sometimes don't work. */ | |
2330 | static Time enter_timestamp; | |
2331 | ||
11edeb03 JB |
2332 | /* This holds the state XLookupString needs to implement dead keys |
2333 | and other tricks known as "compose processing". _X Window System_ | |
2334 | says that a portable program can't use this, but Stephen Gildea assures | |
2335 | me that letting the compiler initialize it to zeros will work okay. | |
2336 | ||
2337 | This must be defined outside of XTread_socket, for the same reasons | |
2338 | given for enter_timestamp, above. */ | |
2339 | static XComposeStatus compose_status; | |
2340 | ||
c047688c JA |
2341 | /* Communication with window managers. */ |
2342 | Atom Xatom_wm_protocols; | |
2343 | ||
2344 | /* Kinds of protocol things we may receive. */ | |
2345 | Atom Xatom_wm_take_focus; | |
2346 | Atom Xatom_wm_save_yourself; | |
2347 | Atom Xatom_wm_delete_window; | |
2348 | ||
2349 | /* Other WM communication */ | |
2350 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2351 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2352 | ||
dc6f92b8 JB |
2353 | /* Read events coming from the X server. |
2354 | This routine is called by the SIGIO handler. | |
2355 | We return as soon as there are no more events to be read. | |
2356 | ||
2357 | Events representing keys are stored in buffer BUFP, | |
2358 | which can hold up to NUMCHARS characters. | |
2359 | We return the number of characters stored into the buffer, | |
2360 | thus pretending to be `read'. | |
2361 | ||
2362 | WAITP is nonzero if we should block until input arrives. | |
2363 | EXPECTED is nonzero if the caller knows input is available. */ | |
2364 | ||
7c5283e4 | 2365 | int |
dc6f92b8 JB |
2366 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2367 | register int sd; | |
2368 | register struct input_event *bufp; | |
2369 | register int numchars; | |
2370 | int waitp; | |
2371 | int expected; | |
2372 | { | |
2373 | int count = 0; | |
2374 | int nbytes = 0; | |
2375 | int mask; | |
2376 | int items_pending; /* How many items are in the X queue. */ | |
2377 | XEvent event; | |
f676886a | 2378 | struct frame *f; |
dc6f92b8 JB |
2379 | int event_found; |
2380 | int prefix; | |
2381 | Lisp_Object part; | |
2382 | ||
2383 | if (x_input_blocked) | |
2384 | { | |
2385 | x_pending_input = 1; | |
2386 | return -1; | |
2387 | } | |
2388 | ||
2389 | x_pending_input = 0; | |
2390 | BLOCK_INPUT; | |
2391 | ||
2392 | if (numchars <= 0) | |
2393 | abort (); /* Don't think this happens. */ | |
2394 | ||
2395 | #ifdef FIOSNBIO | |
2396 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2397 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2398 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2399 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2400 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2401 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2402 | |
2403 | #ifndef SIGIO | |
2404 | #ifndef HAVE_SELECT | |
2405 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2406 | { | |
2407 | extern int read_alarm_should_throw; | |
2408 | read_alarm_should_throw = 1; | |
2409 | XPeekEvent (XDISPLAY &event); | |
2410 | read_alarm_should_throw = 0; | |
2411 | } | |
c118dd06 JB |
2412 | #endif /* HAVE_SELECT */ |
2413 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2414 | |
2415 | while (XStuffPending () != 0) | |
2416 | { | |
2417 | XNextEvent (XDISPLAY &event); | |
2418 | event_found = 1; | |
2419 | ||
2420 | switch (event.type) | |
2421 | { | |
2422 | #ifdef HAVE_X11 | |
c047688c JA |
2423 | case ClientMessage: |
2424 | { | |
2425 | if (event.xclient.message_type == Xatom_wm_protocols | |
2426 | && event.xclient.format == 32) | |
2427 | { | |
2428 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2429 | { | |
f676886a JB |
2430 | f = x_window_to_frame (event.xclient.window); |
2431 | if (f) | |
2432 | x_focus_on_frame (f); | |
c047688c JA |
2433 | /* Not certain about handling scrollbars here */ |
2434 | } | |
2435 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2436 | { | |
2437 | /* Save state modify the WM_COMMAND property to | |
2438 | something which can reinstate us. This notifies | |
2439 | the session manager, who's looking for such a | |
2440 | PropertyNotify. Can restart processing when | |
2441 | a keyboard or mouse event arrives. */ | |
2442 | if (numchars > 0) | |
2443 | { | |
2444 | } | |
2445 | } | |
2446 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2447 | { | |
f676886a | 2448 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2449 | |
f676886a | 2450 | if (f) |
c047688c JA |
2451 | if (numchars > 0) |
2452 | { | |
2453 | } | |
2454 | } | |
2455 | } | |
2456 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2457 | { | |
2458 | } | |
2459 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2460 | { | |
2461 | int new_x, new_y; | |
2462 | ||
4357eba7 JB |
2463 | new_x = event.xclient.data.s[0]; |
2464 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2465 | } |
2466 | } | |
2467 | break; | |
dc6f92b8 JB |
2468 | |
2469 | case SelectionClear: /* Someone has grabbed ownership. */ | |
2470 | x_disown_selection (event.xselectionclear.window, | |
2471 | event.xselectionclear.selection, | |
2472 | event.xselectionclear.time); | |
2473 | break; | |
2474 | ||
2475 | case SelectionRequest: /* Someone wants our selection. */ | |
2476 | x_answer_selection_request (event); | |
2477 | break; | |
2478 | ||
2479 | case PropertyNotify: | |
28430d3c JB |
2480 | |
2481 | /* If we're being told about a root window property, then it's | |
2482 | a cut buffer change. */ | |
2483 | if (event.xproperty.window == ROOT_WINDOW) | |
2484 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2485 | ||
2486 | /* Otherwise, we're probably handling an incremental | |
2487 | selection transmission. */ | |
2488 | else | |
2489 | { | |
2490 | /* If we were to do this synchronously, there'd be no worry | |
2491 | about re-selecting. */ | |
2492 | x_send_incremental (event); | |
2493 | } | |
dc6f92b8 JB |
2494 | break; |
2495 | ||
2496 | case Expose: | |
f676886a JB |
2497 | f = x_window_to_frame (event.xexpose.window); |
2498 | if (f) | |
dc6f92b8 | 2499 | { |
3a88c238 | 2500 | if (f->async_visible == 0) |
dc6f92b8 | 2501 | { |
3a88c238 JB |
2502 | f->async_visible = 1; |
2503 | f->async_iconified = 0; | |
f676886a | 2504 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2505 | } |
2506 | else | |
f451eb13 JB |
2507 | { |
2508 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2509 | event.xexpose.x, event.xexpose.y, | |
2510 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2511 | } |
2512 | } | |
2513 | else | |
2514 | { | |
2515 | struct scrollbar *bar | |
2516 | = x_window_to_scrollbar (event.xexpose.window); | |
2517 | ||
2518 | if (bar) | |
2519 | x_scrollbar_expose (bar, &event); | |
dc6f92b8 JB |
2520 | } |
2521 | break; | |
2522 | ||
2523 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2524 | source area was obscured or not | |
2525 | available.*/ | |
f451eb13 JB |
2526 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2527 | if (f) | |
2528 | { | |
2529 | dumprectangle (f, | |
2530 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2531 | event.xgraphicsexpose.width, | |
2532 | event.xgraphicsexpose.height); | |
f451eb13 | 2533 | } |
dc6f92b8 JB |
2534 | break; |
2535 | ||
2536 | case NoExpose: /* This occurs when an XCopyArea's | |
2537 | source area was completely | |
2538 | available */ | |
2539 | break; | |
c118dd06 | 2540 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2541 | case ExposeWindow: |
2542 | if (event.subwindow != 0) | |
2543 | break; /* duplicate event */ | |
f676886a JB |
2544 | f = x_window_to_frame (event.window); |
2545 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2546 | { |
f676886a | 2547 | refreshicon (f); |
3a88c238 | 2548 | f->async_iconified = 1; |
dc6f92b8 | 2549 | } |
c118dd06 | 2550 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2551 | { |
2552 | /* Say must check all windows' needs_exposure flags. */ | |
2553 | expose_all_windows = 1; | |
f676886a | 2554 | f->display.x->needs_exposure = 1; |
3a88c238 | 2555 | f->async_visible = 1; |
dc6f92b8 JB |
2556 | } |
2557 | break; | |
2558 | ||
2559 | case ExposeRegion: | |
2560 | if (event.subwindow != 0) | |
2561 | break; /* duplicate event */ | |
f676886a JB |
2562 | f = x_window_to_frame (event.window); |
2563 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2564 | { |
f676886a | 2565 | refreshicon (f); |
dc6f92b8 JB |
2566 | break; |
2567 | } | |
2568 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2569 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2570 | break; |
2571 | /* Put the event on the queue of rectangles to redraw. */ | |
2572 | if (enqueue_event (&event, &x_expose_queue)) | |
2573 | /* If it is full, we can't record the rectangle, | |
2574 | so redraw this entire window. */ | |
2575 | { | |
2576 | /* Say must check all windows' needs_exposure flags. */ | |
2577 | expose_all_windows = 1; | |
f676886a | 2578 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2579 | } |
2580 | break; | |
2581 | ||
2582 | case ExposeCopy: | |
2583 | /* This should happen only when we are expecting it, | |
2584 | in x_read_exposes. */ | |
2585 | abort (); | |
c118dd06 | 2586 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2587 | |
2588 | #ifdef HAVE_X11 | |
2589 | case UnmapNotify: | |
f451eb13 JB |
2590 | f = x_window_to_frame (event.xunmap.window); |
2591 | if (f) /* F may no longer exist if | |
f676886a | 2592 | the frame was deleted. */ |
f451eb13 JB |
2593 | { |
2594 | /* While a frame is unmapped, display generation is | |
2595 | disabled; you don't want to spend time updating a | |
2596 | display that won't ever be seen. */ | |
2597 | f->async_visible = 0; | |
2598 | } | |
dc6f92b8 JB |
2599 | break; |
2600 | ||
2601 | case MapNotify: | |
f676886a JB |
2602 | f = x_window_to_frame (event.xmap.window); |
2603 | if (f) | |
dc6f92b8 | 2604 | { |
3a88c238 JB |
2605 | f->async_visible = 1; |
2606 | f->async_iconified = 0; | |
dc6f92b8 JB |
2607 | |
2608 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2609 | the frame's display structures. */ |
2610 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2611 | } |
2612 | break; | |
2613 | ||
2614 | /* Turn off processing if we become fully obscured. */ | |
2615 | case VisibilityNotify: | |
2616 | break; | |
2617 | ||
c118dd06 | 2618 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2619 | case UnmapWindow: |
f676886a JB |
2620 | f = x_window_to_frame (event.window); |
2621 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2622 | f->async_iconified = 0; |
c118dd06 | 2623 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2624 | f->async_visible = 0; |
dc6f92b8 | 2625 | break; |
c118dd06 | 2626 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2627 | |
2628 | #ifdef HAVE_X11 | |
2629 | case KeyPress: | |
f676886a | 2630 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2631 | |
f676886a | 2632 | if (f != 0) |
dc6f92b8 JB |
2633 | { |
2634 | KeySym keysym; | |
dc6f92b8 | 2635 | char copy_buffer[80]; |
3a2712f9 JB |
2636 | int modifiers = event.xkey.state; |
2637 | ||
2638 | /* Some keyboards generate different characters | |
2639 | depending on the state of the meta key, in an attempt | |
2640 | to support non-English typists. It would be nice to | |
2641 | keep this functionality somehow, but for now, we will | |
2642 | just clear the meta-key flag to get the 'pure' character. */ | |
2643 | event.xkey.state &= ~Mod1Mask; | |
dc6f92b8 | 2644 | |
11edeb03 JB |
2645 | /* This will have to go some day... */ |
2646 | nbytes = | |
2647 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2648 | &compose_status); | |
dc6f92b8 | 2649 | |
55123275 JB |
2650 | /* Strip off the vendor-specific keysym bit, and take a shot |
2651 | at recognizing the codes. HP servers have extra keysyms | |
2652 | that fit into the MiscFunctionKey category. */ | |
2653 | keysym &= ~(1<<28); | |
2654 | ||
dc6f92b8 JB |
2655 | if (numchars > 1) |
2656 | { | |
55123275 JB |
2657 | if (IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ |
2658 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < 0xff80 */ | |
2659 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ | |
2660 | || IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */ | |
dc6f92b8 JB |
2661 | { |
2662 | bufp->kind = non_ascii_keystroke; | |
90e65f07 | 2663 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff50); |
12ba150f | 2664 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
3a2712f9 | 2665 | bufp->modifiers = x_convert_modifiers (modifiers); |
1113d9db | 2666 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2667 | bufp++; |
2668 | count++; | |
2669 | numchars--; | |
2670 | } | |
2671 | else if (numchars > nbytes) | |
2672 | { | |
2673 | register int i; | |
2674 | ||
2675 | if (nbytes == 1) | |
2676 | { | |
f689eb05 | 2677 | if (modifiers & x_meta_mod_mask) |
dc6f92b8 JB |
2678 | *copy_buffer |= METABIT; |
2679 | bufp->kind = ascii_keystroke; | |
2680 | XSET (bufp->code, Lisp_Int, *copy_buffer); | |
12ba150f | 2681 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
1113d9db | 2682 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2683 | bufp++; |
2684 | } | |
2685 | else | |
2686 | for (i = nbytes - 1; i > 1; i--) | |
2687 | { | |
2688 | bufp->kind = ascii_keystroke; | |
2689 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); | |
12ba150f | 2690 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
1113d9db | 2691 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2692 | bufp++; |
2693 | } | |
2694 | ||
2695 | count += nbytes; | |
2696 | numchars -= nbytes; | |
2697 | } | |
2698 | } | |
2699 | } | |
2700 | break; | |
c118dd06 | 2701 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2702 | case KeyPressed: |
2703 | { | |
2704 | register char *where_mapping; | |
2705 | ||
f676886a | 2706 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2707 | /* Ignore keys typed on icon windows. */ |
f676886a | 2708 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2709 | break; |
2710 | where_mapping = XLookupMapping (&event, &nbytes); | |
2711 | /* Nasty fix for arrow keys */ | |
2712 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2713 | { | |
2714 | switch (event.detail & 0xff) | |
2715 | { | |
2716 | case KC_CURSOR_LEFT: | |
2717 | where_mapping = "\002"; | |
2718 | break; | |
2719 | case KC_CURSOR_RIGHT: | |
2720 | where_mapping = "\006"; | |
2721 | break; | |
2722 | case KC_CURSOR_UP: | |
2723 | where_mapping = "\020"; | |
2724 | break; | |
2725 | case KC_CURSOR_DOWN: | |
2726 | where_mapping = "\016"; | |
2727 | break; | |
2728 | } | |
2729 | nbytes = 1; | |
2730 | } | |
2731 | if (numchars - nbytes > 0) | |
2732 | { | |
2733 | register int i; | |
2734 | ||
2735 | for (i = 0; i < nbytes; i++) | |
2736 | { | |
2737 | bufp->kind = ascii_keystroke; | |
2738 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2739 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 2740 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
2741 | bufp++; |
2742 | } | |
2743 | count += nbytes; | |
2744 | numchars -= nbytes; | |
2745 | } | |
2746 | } | |
2747 | break; | |
c118dd06 | 2748 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2749 | |
2750 | #ifdef HAVE_X11 | |
f451eb13 JB |
2751 | |
2752 | /* Here's a possible interpretation of the whole | |
2753 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
2754 | FocusIn event, you have to get a FocusOut event before you | |
2755 | relinquish the focus. If you haven't received a FocusIn event, | |
2756 | then a mere LeaveNotify is enough to free you. */ | |
2757 | ||
dc6f92b8 | 2758 | case EnterNotify: |
f676886a | 2759 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 2760 | |
f451eb13 | 2761 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 2762 | { |
dc6f92b8 | 2763 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
2764 | if (f && (!(f->auto_raise) |
2765 | || !(f->auto_lower) | |
dc6f92b8 JB |
2766 | || (event.xcrossing.time - enter_timestamp) > 500)) |
2767 | { | |
f676886a | 2768 | x_new_focus_frame (f); |
dc6f92b8 JB |
2769 | enter_timestamp = event.xcrossing.time; |
2770 | } | |
dc6f92b8 | 2771 | } |
f676886a JB |
2772 | else if (f == x_focus_frame) |
2773 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2774 | |
2775 | break; | |
2776 | ||
2777 | case FocusIn: | |
f676886a | 2778 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2779 | if (event.xfocus.detail != NotifyPointer) |
2780 | x_focus_event_frame = f; | |
f676886a JB |
2781 | if (f) |
2782 | x_new_focus_frame (f); | |
dc6f92b8 JB |
2783 | break; |
2784 | ||
f451eb13 | 2785 | |
dc6f92b8 | 2786 | case LeaveNotify: |
f451eb13 | 2787 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 2788 | |
f451eb13 JB |
2789 | if (event.xcrossing.focus) |
2790 | { | |
2791 | if (! x_focus_event_frame) | |
2792 | x_new_focus_frame (0); | |
2793 | else | |
f676886a | 2794 | x_new_focus_frame (f); |
f451eb13 JB |
2795 | } |
2796 | else | |
2797 | { | |
2798 | if (f == x_focus_event_frame) | |
2799 | x_focus_event_frame = 0; | |
2800 | if (f == x_focus_frame) | |
f676886a | 2801 | x_new_focus_frame (0); |
dc6f92b8 JB |
2802 | } |
2803 | break; | |
2804 | ||
2805 | case FocusOut: | |
f676886a | 2806 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2807 | if (event.xfocus.detail != NotifyPointer |
2808 | && f == x_focus_event_frame) | |
2809 | x_focus_event_frame = 0; | |
f676886a JB |
2810 | if (f && f == x_focus_frame) |
2811 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2812 | break; |
2813 | ||
c118dd06 | 2814 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2815 | |
2816 | case EnterWindow: | |
2817 | if ((event.detail & 0xFF) == 1) | |
2818 | break; /* Coming from our own subwindow */ | |
2819 | if (event.subwindow != 0) | |
2820 | break; /* Entering our own subwindow. */ | |
2821 | ||
2822 | { | |
f676886a JB |
2823 | f = x_window_to_frame (event.window); |
2824 | x_mouse_frame = f; | |
dc6f92b8 | 2825 | |
f676886a | 2826 | x_new_focus_frame (f); |
dc6f92b8 JB |
2827 | } |
2828 | break; | |
2829 | ||
2830 | case LeaveWindow: | |
2831 | if ((event.detail & 0xFF) == 1) | |
2832 | break; /* Entering our own subwindow */ | |
2833 | if (event.subwindow != 0) | |
2834 | break; /* Leaving our own subwindow. */ | |
2835 | ||
f676886a JB |
2836 | x_mouse_frame = 0; |
2837 | if (x_focus_frame == 0 | |
2838 | && x_input_frame != 0 | |
2839 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 2840 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 2841 | { |
f676886a JB |
2842 | f = x_input_frame; |
2843 | x_input_frame = 0; | |
2844 | if (f) | |
2845 | frame_unhighlight (f); | |
dc6f92b8 JB |
2846 | } |
2847 | break; | |
c118dd06 | 2848 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2849 | |
2850 | #ifdef HAVE_X11 | |
2851 | case MotionNotify: | |
2852 | { | |
f676886a JB |
2853 | f = x_window_to_frame (event.xmotion.window); |
2854 | if (f) | |
12ba150f | 2855 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 2856 | else |
dc6f92b8 | 2857 | { |
f451eb13 JB |
2858 | struct scrollbar *bar = |
2859 | x_window_to_scrollbar (event.xmotion.window); | |
2860 | ||
2861 | if (bar) | |
12ba150f | 2862 | x_scrollbar_note_movement (bar, &event); |
dc6f92b8 | 2863 | } |
dc6f92b8 JB |
2864 | } |
2865 | break; | |
2866 | ||
2867 | case ConfigureNotify: | |
2868 | { | |
2869 | int rows, columns; | |
f676886a JB |
2870 | f = x_window_to_frame (event.xconfigure.window); |
2871 | if (!f) | |
dc6f92b8 JB |
2872 | break; |
2873 | ||
f451eb13 JB |
2874 | columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); |
2875 | rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
dc6f92b8 | 2876 | |
90e65f07 JB |
2877 | /* Even if the number of character rows and columns has |
2878 | not changed, the font size may have changed, so we need | |
2879 | to check the pixel dimensions as well. */ | |
f676886a JB |
2880 | if (columns != f->width |
2881 | || rows != f->height | |
2882 | || event.xconfigure.width != f->display.x->pixel_width | |
2883 | || event.xconfigure.height != f->display.x->pixel_height) | |
dc6f92b8 | 2884 | { |
b1c884c3 | 2885 | change_frame_size (f, rows, columns, 0, 1); |
f676886a | 2886 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2887 | } |
2888 | ||
f676886a JB |
2889 | f->display.x->pixel_width = event.xconfigure.width; |
2890 | f->display.x->pixel_height = event.xconfigure.height; | |
2891 | f->display.x->left_pos = event.xconfigure.x; | |
2892 | f->display.x->top_pos = event.xconfigure.y; | |
dc6f92b8 JB |
2893 | break; |
2894 | } | |
2895 | ||
2896 | case ButtonPress: | |
2897 | case ButtonRelease: | |
2898 | { | |
2899 | /* If we decide we want to generate an event to be seen | |
2900 | by the rest of Emacs, we put it here. */ | |
2901 | struct input_event emacs_event; | |
2902 | emacs_event.kind = no_event; | |
2903 | ||
f676886a JB |
2904 | f = x_window_to_frame (event.xbutton.window); |
2905 | if (f) | |
f451eb13 JB |
2906 | { |
2907 | if (!x_focus_frame || (f == x_focus_frame)) | |
2908 | construct_mouse_click (&emacs_event, | |
2909 | &event, f, Qnil, 0); | |
2910 | } | |
dc6f92b8 | 2911 | else |
f451eb13 JB |
2912 | { |
2913 | struct scrollbar *bar = | |
2914 | x_window_to_scrollbar (event.xbutton.window); | |
2915 | ||
2916 | if (bar) | |
2917 | x_scrollbar_handle_click (bar, &event, &emacs_event); | |
2918 | } | |
dc6f92b8 JB |
2919 | |
2920 | if (numchars >= 1 && emacs_event.kind != no_event) | |
2921 | { | |
2922 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
2923 | bufp++; | |
2924 | count++; | |
2925 | numchars--; | |
2926 | } | |
2927 | } | |
2928 | break; | |
2929 | ||
c118dd06 | 2930 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2931 | case ButtonPressed: |
2932 | case ButtonReleased: | |
f676886a JB |
2933 | f = x_window_to_frame (event.window); |
2934 | if (f) | |
dc6f92b8 | 2935 | { |
f676886a | 2936 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 2937 | { |
f676886a | 2938 | x_make_frame_visible (f); |
dc6f92b8 JB |
2939 | |
2940 | if (warp_mouse_on_deiconify) | |
c118dd06 | 2941 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
2942 | break; |
2943 | } | |
c118dd06 | 2944 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 2945 | { |
f676886a JB |
2946 | if (f->auto_raise) |
2947 | x_raise_frame (f); | |
dc6f92b8 JB |
2948 | } |
2949 | } | |
2950 | enqueue_event (&event, &x_mouse_queue); | |
2951 | if (numchars >= 2) | |
2952 | { | |
2953 | bufp->kind = ascii_keystroke; | |
2954 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 2955 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 2956 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
2957 | bufp++; |
2958 | ||
2959 | bufp->kind = ascii_keystroke; | |
2960 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 2961 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 2962 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
2963 | bufp++; |
2964 | ||
2965 | count += 2; | |
2966 | numchars -= 2; | |
2967 | } | |
2968 | break; | |
c118dd06 | 2969 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2970 | |
2971 | #ifdef HAVE_X11 | |
2972 | ||
2973 | case CirculateNotify: | |
2974 | break; | |
2975 | case CirculateRequest: | |
2976 | break; | |
2977 | ||
c118dd06 | 2978 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2979 | |
2980 | case MappingNotify: | |
11edeb03 JB |
2981 | /* Someone has changed the keyboard mapping - update the |
2982 | local cache. */ | |
2983 | switch (event.xmapping.request) | |
2984 | { | |
2985 | case MappingModifier: | |
2986 | x_find_modifier_meanings (); | |
2987 | /* This is meant to fall through. */ | |
2988 | case MappingKeyboard: | |
2989 | XRefreshKeyboardMapping (&event.xmapping); | |
2990 | } | |
dc6f92b8 JB |
2991 | break; |
2992 | ||
2993 | default: | |
2994 | break; | |
2995 | } | |
2996 | } | |
2997 | ||
2998 | #if 0 | |
2999 | #ifdef HAVE_SELECT | |
3000 | if (expected && ! event_found) | |
3001 | { | |
3002 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3003 | there is an EOF condition; in other words, that X has died. | |
3004 | Act as if there had been a hangup. */ | |
3005 | ||
3006 | int fd = ConnectionNumber (x_current_display); | |
3007 | int mask = 1 << fd; | |
3008 | ||
3009 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 3010 | (EMACS_TIME) 0) |
dc6f92b8 JB |
3011 | && !XStuffPending ()) |
3012 | kill (getpid (), SIGHUP); | |
3013 | } | |
c118dd06 JB |
3014 | #endif /* ! defined (HAVE_SELECT) */ |
3015 | #endif /* ! 0 */ | |
dc6f92b8 | 3016 | |
f451eb13 | 3017 | #ifndef HAVE_X11 |
f676886a | 3018 | if (updating_frame == 0) |
dc6f92b8 | 3019 | x_do_pending_expose (); |
f451eb13 | 3020 | #endif |
dc6f92b8 JB |
3021 | |
3022 | UNBLOCK_INPUT; | |
3023 | return count; | |
3024 | } | |
3025 | ||
3026 | #ifndef HAVE_X11 | |
3027 | /* Read and process only Expose events | |
3028 | until we get an ExposeCopy event; then return. | |
3029 | This is used in insert/delete line. | |
3030 | We assume input is already blocked. */ | |
3031 | ||
3032 | static void | |
3033 | x_read_exposes () | |
3034 | { | |
f676886a | 3035 | struct frame *f; |
dc6f92b8 JB |
3036 | XKeyPressedEvent event; |
3037 | ||
3038 | while (1) | |
3039 | { | |
3040 | /* while there are more events*/ | |
3041 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3042 | switch (event.type) | |
3043 | { | |
3044 | case ExposeWindow: | |
3045 | if (event.subwindow != 0) | |
3046 | break; /* duplicate event */ | |
f676886a JB |
3047 | f = x_window_to_frame (event.window); |
3048 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3049 | { |
f676886a | 3050 | refreshicon (f); |
dc6f92b8 JB |
3051 | break; |
3052 | } | |
c118dd06 | 3053 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3054 | { |
3055 | expose_all_windows = 1; | |
f676886a | 3056 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3057 | break; |
3058 | } | |
3059 | break; | |
3060 | ||
3061 | case ExposeRegion: | |
3062 | if (event.subwindow != 0) | |
3063 | break; /* duplicate event */ | |
f676886a JB |
3064 | f = x_window_to_frame (event.window); |
3065 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3066 | { |
f676886a | 3067 | refreshicon (f); |
dc6f92b8 JB |
3068 | break; |
3069 | } | |
3070 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3071 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3072 | break; |
3073 | /* Put the event on the queue of rectangles to redraw. */ | |
3074 | if (enqueue_event (&event, &x_expose_queue)) | |
3075 | /* If it is full, we can't record the rectangle, | |
3076 | so redraw this entire window. */ | |
3077 | { | |
3078 | /* Say must check all windows' needs_exposure flags. */ | |
3079 | expose_all_windows = 1; | |
f676886a | 3080 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3081 | } |
3082 | break; | |
3083 | ||
3084 | case ExposeCopy: | |
3085 | return; | |
3086 | } | |
3087 | } | |
3088 | } | |
3089 | #endif /* HAVE_X11 */ | |
3090 | ||
dc6f92b8 | 3091 | \f |
f451eb13 JB |
3092 | /* Drawing the cursor. */ |
3093 | ||
3094 | ||
dc6f92b8 JB |
3095 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3096 | ||
3097 | static void | |
f676886a JB |
3098 | x_draw_box (f) |
3099 | struct frame *f; | |
dc6f92b8 | 3100 | { |
12ba150f JB |
3101 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3102 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3103 | int width = FONT_WIDTH (f->display.x->font); |
3104 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3105 | |
3106 | #ifdef HAVE_X11 | |
c118dd06 | 3107 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3108 | f->display.x->cursor_gc, |
dc6f92b8 | 3109 | left, top, width - 1, height - 1); |
c118dd06 JB |
3110 | #else /* ! defined (HAVE_X11) */ |
3111 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3112 | left, top, width, 1, |
f676886a | 3113 | f->display.x->cursor_pixel); |
dc6f92b8 | 3114 | |
c118dd06 | 3115 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3116 | left, top, 1, height, |
f676886a | 3117 | f->display.x->cursor_pixel); |
dc6f92b8 | 3118 | |
c118dd06 | 3119 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3120 | left+width-1, top, 1, height, |
f676886a | 3121 | f->display.x->cursor_pixel); |
dc6f92b8 | 3122 | |
c118dd06 | 3123 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3124 | left, top+height-1, width, 1, |
f676886a | 3125 | f->display.x->cursor_pixel); |
c118dd06 | 3126 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3127 | } |
3128 | ||
f676886a | 3129 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3130 | and mark the cursor as not shown. |
3131 | This is used when the text where the cursor is | |
3132 | is about to be rewritten. */ | |
3133 | ||
3134 | static void | |
f676886a JB |
3135 | clear_cursor (f) |
3136 | struct frame *f; | |
dc6f92b8 JB |
3137 | { |
3138 | int mask; | |
3139 | ||
f451eb13 | 3140 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3141 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3142 | return; |
3143 | ||
3144 | #ifdef HAVE_X11 | |
f676886a | 3145 | x_display_cursor (f, 0); |
c118dd06 JB |
3146 | #else /* ! defined (HAVE_X11) */ |
3147 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3148 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3149 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3150 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3151 | f->display.x->background_pixel); | |
c118dd06 | 3152 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3153 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3154 | } |
3155 | ||
90e65f07 | 3156 | static void |
f676886a JB |
3157 | x_display_bar_cursor (f, on) |
3158 | struct frame *f; | |
dc6f92b8 JB |
3159 | int on; |
3160 | { | |
f676886a JB |
3161 | register int phys_x = f->phys_cursor_x; |
3162 | register int phys_y = f->phys_cursor_y; | |
dc6f92b8 JB |
3163 | register int x1; |
3164 | register int y1; | |
3165 | register int y2; | |
3166 | ||
f451eb13 | 3167 | if (! FRAME_VISIBLE_P (f) || (! on && f->phys_cursor_x < 0)) |
dc6f92b8 JB |
3168 | return; |
3169 | ||
3170 | #ifdef HAVE_X11 | |
3171 | if (phys_x >= 0 && | |
f676886a | 3172 | (!on || phys_x != f->cursor_x || phys_y != f->cursor_y)) |
dc6f92b8 | 3173 | { |
12ba150f JB |
3174 | x1 = CHAR_TO_PIXEL_COL (f, phys_x); |
3175 | y1 = CHAR_TO_PIXEL_ROW (f, phys_y) - 1; | |
f676886a | 3176 | y2 = y1 + FONT_HEIGHT (f->display.x->font) + 1; |
dc6f92b8 | 3177 | |
c118dd06 | 3178 | XDrawLine (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3179 | f->display.x->reverse_gc, x1, y1, x1, y2); |
dc6f92b8 | 3180 | |
f676886a | 3181 | f->phys_cursor_x = phys_x = -1; |
dc6f92b8 JB |
3182 | } |
3183 | ||
f676886a | 3184 | if (on && f == x_highlight_frame) |
dc6f92b8 | 3185 | { |
12ba150f JB |
3186 | x1 = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3187 | y1 = CHAR_TO_PIXEL_ROW (f, f->cursor_y) - 1; | |
f676886a | 3188 | y2 = y1 + FONT_HEIGHT (f->display.x->font) + 1; |
dc6f92b8 | 3189 | |
c118dd06 | 3190 | XDrawLine (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3191 | f->display.x->cursor_gc, x1, y1, x1, y2); |
dc6f92b8 | 3192 | |
f676886a JB |
3193 | f->phys_cursor_x = f->cursor_x; |
3194 | f->phys_cursor_y = f->cursor_y; | |
dc6f92b8 | 3195 | } |
c118dd06 | 3196 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3197 | Give it up, dude. |
c118dd06 | 3198 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3199 | } |
3200 | ||
3201 | ||
f676886a | 3202 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3203 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3204 | glyph drawn. */ | |
dc6f92b8 JB |
3205 | |
3206 | static void | |
f676886a JB |
3207 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3208 | struct frame *f; | |
dc6f92b8 | 3209 | int row, column; |
90e65f07 | 3210 | GLYPH glyph; |
dc6f92b8 JB |
3211 | int highlight; |
3212 | { | |
f676886a | 3213 | dumpglyphs (f, |
12ba150f JB |
3214 | CHAR_TO_PIXEL_COL (f, column), |
3215 | CHAR_TO_PIXEL_ROW (f, row), | |
f676886a | 3216 | &glyph, 1, highlight, f->display.x->font); |
dc6f92b8 JB |
3217 | } |
3218 | ||
f676886a | 3219 | /* Turn the displayed cursor of frame F on or off according to ON. |
dc6f92b8 | 3220 | If ON is nonzero, where to put the cursor is specified |
f676886a | 3221 | by F->cursor_x and F->cursor_y. */ |
dc6f92b8 JB |
3222 | |
3223 | static void | |
f676886a JB |
3224 | x_display_box_cursor (f, on) |
3225 | struct frame *f; | |
dc6f92b8 JB |
3226 | int on; |
3227 | { | |
f676886a | 3228 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3229 | |
f676886a | 3230 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3231 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3232 | if (f != updating_frame) |
1113d9db | 3233 | { |
f676886a JB |
3234 | curs_x = FRAME_CURSOR_X (f); |
3235 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3236 | } |
3237 | ||
f451eb13 | 3238 | if (! FRAME_VISIBLE_P (f)) |
dc6f92b8 JB |
3239 | return; |
3240 | ||
3241 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3242 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3243 | return; |
3244 | ||
3245 | /* If cursor is currently being shown and we don't want it to be | |
3246 | or it is in the wrong place, | |
3247 | or we want a hollow box and it's not so, (pout!) | |
3248 | erase it. */ | |
f676886a | 3249 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3250 | && (!on |
f676886a JB |
3251 | || f->phys_cursor_x != curs_x |
3252 | || f->phys_cursor_y != curs_y | |
3253 | || (f->display.x->text_cursor_kind != hollow_box_cursor | |
3254 | && (f != x_highlight_frame)))) | |
dc6f92b8 JB |
3255 | { |
3256 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3257 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3258 | f->phys_cursor_glyph, | |
3259 | current_glyphs->highlight[f->phys_cursor_y]); | |
3260 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3261 | } |
3262 | ||
3263 | /* If we want to show a cursor, | |
3264 | or we want a box cursor and it's not so, | |
3265 | write it in the right place. */ | |
3266 | if (on | |
f676886a JB |
3267 | && (f->phys_cursor_x < 0 |
3268 | || (f->display.x->text_cursor_kind != filled_box_cursor | |
3269 | && f == x_highlight_frame))) | |
dc6f92b8 | 3270 | { |
f676886a | 3271 | f->phys_cursor_glyph |
1113d9db JB |
3272 | = ((current_glyphs->enable[curs_y] |
3273 | && curs_x < current_glyphs->used[curs_y]) | |
3274 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3275 | : SPACEGLYPH); |
f676886a | 3276 | if (f != x_highlight_frame) |
dc6f92b8 | 3277 | { |
f676886a JB |
3278 | x_draw_box (f); |
3279 | f->display.x->text_cursor_kind = hollow_box_cursor; | |
dc6f92b8 JB |
3280 | } |
3281 | else | |
3282 | { | |
f676886a JB |
3283 | x_draw_single_glyph (f, curs_y, curs_x, |
3284 | f->phys_cursor_glyph, 2); | |
3285 | f->display.x->text_cursor_kind = filled_box_cursor; | |
dc6f92b8 JB |
3286 | } |
3287 | ||
f676886a JB |
3288 | f->phys_cursor_x = curs_x; |
3289 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3290 | } |
3291 | ||
f676886a | 3292 | if (updating_frame != f) |
dc6f92b8 JB |
3293 | XFlushQueue (); |
3294 | } | |
3295 | ||
dc6f92b8 JB |
3296 | extern Lisp_Object Vbar_cursor; |
3297 | ||
f676886a JB |
3298 | x_display_cursor (f, on) |
3299 | struct frame *f; | |
dc6f92b8 JB |
3300 | int on; |
3301 | { | |
3302 | if (EQ (Vbar_cursor, Qnil)) | |
f676886a | 3303 | x_display_box_cursor (f, on); |
dc6f92b8 | 3304 | else |
f676886a | 3305 | x_display_bar_cursor (f, on); |
dc6f92b8 JB |
3306 | } |
3307 | \f | |
3308 | /* Icons. */ | |
3309 | ||
f676886a | 3310 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3311 | when we get an expose event for it. */ |
3312 | ||
f676886a JB |
3313 | refreshicon (f) |
3314 | struct frame *f; | |
dc6f92b8 JB |
3315 | { |
3316 | #ifdef HAVE_X11 | |
3317 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3318 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3319 | int mask; |
3320 | ||
f676886a JB |
3321 | if (f->display.x->icon_bitmap_flag) |
3322 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3323 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3324 | icon_bitmap, GXcopy, AllPlanes); | |
3325 | else | |
3326 | { | |
f676886a | 3327 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3328 | struct Lisp_String *str; |
3329 | unsigned char *string; | |
3330 | ||
3331 | string | |
f676886a | 3332 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3333 | |
f676886a | 3334 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3335 | { |
f676886a JB |
3336 | f->display.x->icon_label = string; |
3337 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3338 | XQueryWidth (string, icon_font_info->id) + 10, |
3339 | icon_font_info->height + 10); | |
3340 | } | |
3341 | ||
f676886a | 3342 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3343 | str->size, icon_font_info->id, |
3344 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3345 | } | |
3346 | XFlushQueue (); | |
c118dd06 | 3347 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3348 | } |
3349 | ||
f676886a | 3350 | /* Make the x-window of frame F use the kitchen-sink icon |
dc6f92b8 JB |
3351 | that's a window generated by Emacs. */ |
3352 | ||
3353 | int | |
f676886a JB |
3354 | x_bitmap_icon (f) |
3355 | struct frame *f; | |
dc6f92b8 JB |
3356 | { |
3357 | int mask; | |
3358 | Window icon_window; | |
3359 | ||
c118dd06 | 3360 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3361 | return 1; |
3362 | ||
3363 | #ifdef HAVE_X11 | |
3364 | if (icon_bitmap) | |
3365 | XFreePixmap (x_current_display, icon_bitmap); | |
3366 | ||
3367 | icon_bitmap = | |
c118dd06 | 3368 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3369 | gnu_bits, gnu_width, gnu_height); |
f676886a JB |
3370 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3371 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3372 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3373 | if (f->display.x->icon_desc) |
dc6f92b8 | 3374 | { |
c118dd06 | 3375 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3376 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3377 | } |
3378 | ||
f676886a | 3379 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3380 | 0, 0, sink_width, sink_height, |
3381 | 2, WhitePixmap, (Pixmap) NULL); | |
3382 | ||
3383 | if (icon_window == 0) | |
3384 | return 1; | |
3385 | ||
c118dd06 | 3386 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3387 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3388 | ||
f676886a JB |
3389 | f->display.x->icon_desc = icon_window; |
3390 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3391 | |
3392 | if (icon_bitmap == 0) | |
3393 | icon_bitmap | |
3394 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3395 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3396 | |
3397 | return 0; | |
3398 | } | |
3399 | ||
3400 | ||
f676886a | 3401 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3402 | |
3403 | int | |
f676886a JB |
3404 | x_text_icon (f, icon_name) |
3405 | struct frame *f; | |
dc6f92b8 JB |
3406 | char *icon_name; |
3407 | { | |
3408 | #ifndef HAVE_X11 | |
3409 | int mask; | |
3410 | int width; | |
3411 | Window icon_window; | |
3412 | char *X_DefaultValue; | |
3413 | Bitmap b1; | |
3414 | ||
dc6f92b8 JB |
3415 | #ifndef WhitePixel |
3416 | #define WhitePixel 1 | |
c118dd06 | 3417 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3418 | |
3419 | #ifndef BlackPixel | |
3420 | #define BlackPixel 0 | |
c118dd06 JB |
3421 | #endif /* BlackPixel */ |
3422 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3423 | |
c118dd06 | 3424 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3425 | return 1; |
3426 | ||
3427 | if (icon_font_info == 0) | |
3428 | icon_font_info | |
55123275 JB |
3429 | = XGetFont (XGetDefault (XDISPLAY |
3430 | (char *) XSTRING (invocation_name)->data, | |
3431 | "BodyFont")); | |
dc6f92b8 JB |
3432 | |
3433 | #ifdef HAVE_X11 | |
3434 | if (icon_name) | |
f676886a | 3435 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3436 | else |
f676886a JB |
3437 | if (! f->display.x->icon_label) |
3438 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3439 | |
c118dd06 | 3440 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3441 | (char *) f->display.x->icon_label); |
dc6f92b8 | 3442 | |
f676886a | 3443 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3444 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3445 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3446 | if (f->display.x->icon_desc) |
dc6f92b8 | 3447 | { |
c118dd06 | 3448 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3449 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3450 | } |
3451 | ||
3452 | if (icon_name) | |
f676886a | 3453 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3454 | else |
f676886a JB |
3455 | if (! f->display.x->icon_label) |
3456 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3457 | |
f676886a JB |
3458 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3459 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3460 | f->display.x->left_pos, | |
3461 | f->display.x->top_pos, | |
dc6f92b8 JB |
3462 | width + 10, icon_font_info->height + 10, |
3463 | 2, BlackPixmap, WhitePixmap); | |
3464 | ||
3465 | if (icon_window == 0) | |
3466 | return 1; | |
3467 | ||
c118dd06 | 3468 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3469 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3470 | ||
f676886a JB |
3471 | f->display.x->icon_desc = icon_window; |
3472 | f->display.x->icon_bitmap_flag = 0; | |
3473 | f->display.x->icon_label = 0; | |
c118dd06 | 3474 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3475 | |
3476 | return 0; | |
3477 | } | |
3478 | \f | |
4746118a JB |
3479 | /* Handling X errors. */ |
3480 | ||
12ba150f JB |
3481 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3482 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3483 | |
4746118a | 3484 | static SIGTYPE |
c118dd06 | 3485 | x_connection_closed () |
4746118a JB |
3486 | { |
3487 | if (_Xdebug) | |
3488 | abort (); | |
12ba150f JB |
3489 | |
3490 | shut_down_emacs (0); | |
3491 | ||
3492 | exit (70); | |
4746118a JB |
3493 | } |
3494 | ||
c118dd06 JB |
3495 | /* An X error handler which prints an error message and then kills Emacs. |
3496 | This is what's normally installed as Xlib's handler for protocol and | |
3497 | I/O errors. */ | |
3498 | static int | |
3499 | x_error_quitter (display, error) | |
3500 | Display *display; | |
3501 | XErrorEvent *error; | |
3502 | { | |
3503 | char buf[256]; | |
dc6f92b8 | 3504 | |
c118dd06 JB |
3505 | /* Note that there is no real way portable across R3/R4 to get the |
3506 | original error handler. */ | |
dc6f92b8 | 3507 | |
c118dd06 JB |
3508 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3509 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3510 | buf, error->request_code); | |
dc6f92b8 | 3511 | |
12ba150f JB |
3512 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3513 | get an X error, so we can figure out why it happened. */ | |
3514 | abort (); | |
3515 | ||
c118dd06 | 3516 | x_connection_closed (); |
dc6f92b8 JB |
3517 | } |
3518 | ||
c118dd06 JB |
3519 | /* A buffer for storing X error messages. */ |
3520 | static char (*x_caught_error_message)[200]; | |
3521 | ||
3522 | /* An X error handler which stores the error message in | |
3523 | x_caught_error_message. This is what's installed when | |
3524 | x_catch_errors is in effect. */ | |
3525 | static int | |
3526 | x_error_catcher (display, error) | |
3527 | Display *display; | |
3528 | XErrorEvent *error; | |
3529 | { | |
3530 | XGetErrorText (display, error->error_code, | |
3531 | *x_caught_error_message, sizeof (*x_caught_error_message)); | |
3532 | } | |
3533 | ||
3534 | ||
3535 | /* Begin trapping X errors. | |
dc6f92b8 | 3536 | |
c118dd06 JB |
3537 | After calling this function, X protocol errors no longer cause |
3538 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3539 | |
c118dd06 JB |
3540 | Calling x_check_errors signals an Emacs error if an X error has |
3541 | occurred since the last call to x_catch_errors or x_check_errors. | |
3542 | ||
3543 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3544 | ||
3545 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3546 | ||
3547 | void | |
3548 | x_catch_errors () | |
dc6f92b8 | 3549 | { |
c118dd06 JB |
3550 | /* Make sure any errors from previous requests have been dealt with. */ |
3551 | XSync (x_current_display, False); | |
dc6f92b8 | 3552 | |
c118dd06 JB |
3553 | /* Set up the error buffer. */ |
3554 | x_caught_error_message = | |
3555 | (char (*)[]) xmalloc (sizeof (*x_caught_error_message)); | |
d872b748 | 3556 | (*x_caught_error_message)[0] = '\0'; |
16bd92ea | 3557 | |
c118dd06 JB |
3558 | /* Install our little error handler. */ |
3559 | XHandleError (x_error_catcher); | |
3560 | } | |
16bd92ea | 3561 | |
c118dd06 JB |
3562 | /* If any X protocol errors have arrived since the last call to |
3563 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3564 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3565 | void | |
3566 | x_check_errors (format) | |
3567 | char *format; | |
3568 | { | |
3569 | /* Make sure to catch any errors incurred so far. */ | |
3570 | XSync (x_current_display, False); | |
16bd92ea | 3571 | |
c118dd06 JB |
3572 | if ((*x_caught_error_message)[0]) |
3573 | { | |
3574 | char buf[256]; | |
3575 | ||
3576 | sprintf (buf, format, *x_caught_error_message); | |
3577 | free (x_caught_error_message); | |
dc6f92b8 | 3578 | |
c118dd06 JB |
3579 | x_uncatch_errors (); |
3580 | error (buf); | |
3581 | } | |
3582 | } | |
3583 | ||
3584 | void | |
3585 | x_uncatch_errors () | |
3586 | { | |
3587 | free (x_caught_error_message); | |
3588 | XHandleError (x_error_quitter); | |
dc6f92b8 JB |
3589 | } |
3590 | ||
dc6f92b8 JB |
3591 | #if 0 |
3592 | static unsigned int x_wire_count; | |
3593 | x_trace_wire () | |
3594 | { | |
3595 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3596 | } | |
c118dd06 | 3597 | #endif /* ! 0 */ |
dc6f92b8 JB |
3598 | |
3599 | \f | |
f451eb13 JB |
3600 | /* Changing the font of the frame. */ |
3601 | ||
f676886a | 3602 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3603 | to the font named NEWNAME. This is safe to use |
f676886a | 3604 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3605 | |
3606 | #ifdef HAVE_X11 | |
3607 | ||
3608 | /* A table of all the fonts we have already loaded. */ | |
3609 | static XFontStruct **x_font_table; | |
3610 | ||
3611 | /* The current capacity of x_font_table. */ | |
3612 | static int x_font_table_size; | |
3613 | ||
3614 | /* The number of fonts actually stored in x_font_table. | |
3615 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3616 | 0 <= n_fonts <= x_font_table_size. */ | |
3617 | static int n_fonts; | |
3618 | ||
f676886a JB |
3619 | x_new_font (f, fontname) |
3620 | struct frame *f; | |
dc6f92b8 JB |
3621 | register char *fontname; |
3622 | { | |
3623 | XFontStruct *temp; | |
3624 | int already_loaded; | |
3625 | int n_matching_fonts; | |
3626 | XFontStruct *font_info; | |
3627 | char **font_names; | |
3628 | ||
3629 | /* Get a list of all the fonts that match this name. Once we | |
3630 | have a list of matching fonts, we compare them against the fonts | |
3631 | we already have by comparing font ids. */ | |
3632 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3633 | 1024, &n_matching_fonts, | |
3634 | &font_info); | |
3635 | /* If the server couldn't find any fonts whose named matched fontname, | |
3636 | return an error code. */ | |
3637 | if (n_matching_fonts == 0) | |
3638 | return 1; | |
3639 | ||
90e65f07 | 3640 | /* See if we've already loaded a matching font. */ |
dc6f92b8 JB |
3641 | { |
3642 | int i, j; | |
3643 | ||
3644 | already_loaded = 0; | |
3645 | for (i = 0; i < n_fonts; i++) | |
3646 | for (j = 0; j < n_matching_fonts; j++) | |
3647 | if (x_font_table[i]->fid == font_info[j].fid) | |
3648 | { | |
3649 | already_loaded = i; | |
3650 | goto found_font; | |
3651 | } | |
3652 | } | |
3653 | found_font: | |
3654 | ||
3655 | /* If we have, just return it from the table. */ | |
3656 | if (already_loaded) | |
f676886a | 3657 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3658 | |
dc6f92b8 JB |
3659 | /* Otherwise, load the font and add it to the table. */ |
3660 | else | |
3661 | { | |
3662 | XFontStruct *font; | |
3663 | ||
3664 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); | |
3665 | if (! font) | |
3666 | return 1; | |
3667 | ||
3668 | /* Do we need to create the table? */ | |
3669 | if (x_font_table_size == 0) | |
3670 | { | |
3671 | x_font_table_size = 16; | |
3672 | x_font_table | |
3673 | = (XFontStruct **) xmalloc (x_font_table_size | |
3674 | * sizeof (x_font_table[0])); | |
3675 | } | |
3676 | /* Do we need to grow the table? */ | |
3677 | else if (n_fonts >= x_font_table_size) | |
3678 | { | |
90e65f07 | 3679 | x_font_table_size *= 2; |
dc6f92b8 JB |
3680 | x_font_table |
3681 | = (XFontStruct **) xrealloc (x_font_table, | |
3682 | (x_font_table_size | |
3683 | * sizeof (x_font_table[0]))); | |
3684 | } | |
3685 | ||
f676886a | 3686 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
3687 | } |
3688 | ||
3689 | /* Free the information from XListFontsWithInfo. The data | |
3690 | we actually retain comes from XLoadQueryFont. */ | |
3691 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
3692 | ||
f676886a | 3693 | /* Now make the frame display the given font. */ |
c118dd06 | 3694 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 3695 | { |
f676886a JB |
3696 | XSetFont (x_current_display, f->display.x->normal_gc, |
3697 | f->display.x->font->fid); | |
3698 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
3699 | f->display.x->font->fid); | |
3700 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
3701 | f->display.x->font->fid); | |
3702 | ||
3703 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
3704 | } |
3705 | ||
3706 | return 0; | |
3707 | } | |
c118dd06 | 3708 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
3709 | x_new_font (f, newname) |
3710 | struct frame *f; | |
dc6f92b8 JB |
3711 | register char *newname; |
3712 | { | |
3713 | FONT_TYPE *temp; | |
3714 | int mask; | |
3715 | ||
3716 | temp = XGetFont (newname); | |
3717 | if (temp == (FONT_TYPE *) 0) | |
3718 | return 1; | |
3719 | ||
f676886a JB |
3720 | if (f->display.x->font) |
3721 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 3722 | |
f676886a | 3723 | f->display.x->font = temp; |
dc6f92b8 | 3724 | |
c118dd06 | 3725 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 3726 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
3727 | |
3728 | return 0; | |
3729 | } | |
c118dd06 | 3730 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3731 | \f |
f451eb13 JB |
3732 | /* X Window sizes and positions. */ |
3733 | ||
f676886a JB |
3734 | x_calc_absolute_position (f) |
3735 | struct frame *f; | |
dc6f92b8 JB |
3736 | { |
3737 | #ifdef HAVE_X11 | |
f676886a JB |
3738 | if (f->display.x->left_pos < 0) |
3739 | f->display.x->left_pos | |
7c5283e4 | 3740 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 3741 | |
f676886a JB |
3742 | if (f->display.x->top_pos < 0) |
3743 | f->display.x->top_pos | |
7c5283e4 | 3744 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 3745 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3746 | WINDOWINFO_TYPE parentinfo; |
3747 | ||
c118dd06 | 3748 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 3749 | |
f676886a JB |
3750 | if (f->display.x->left_pos < 0) |
3751 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
3752 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 3753 | |
f676886a JB |
3754 | if (f->display.x->top_pos < 0) |
3755 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
3756 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 3757 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3758 | } |
3759 | ||
f676886a JB |
3760 | x_set_offset (f, xoff, yoff) |
3761 | struct frame *f; | |
dc6f92b8 JB |
3762 | register int xoff, yoff; |
3763 | { | |
f676886a JB |
3764 | f->display.x->top_pos = yoff; |
3765 | f->display.x->left_pos = xoff; | |
3766 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
3767 | |
3768 | BLOCK_INPUT; | |
c118dd06 | 3769 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 3770 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 3771 | #ifdef HAVE_X11 |
f676886a | 3772 | x_wm_set_size_hint (f, 0); |
c118dd06 | 3773 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3774 | UNBLOCK_INPUT; |
3775 | } | |
3776 | ||
f676886a | 3777 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 3778 | |
f676886a JB |
3779 | x_set_window_size (f, cols, rows) |
3780 | struct frame *f; | |
b1c884c3 | 3781 | int cols, rows; |
dc6f92b8 JB |
3782 | { |
3783 | int pixelwidth, pixelheight; | |
3784 | int mask; | |
dc6f92b8 JB |
3785 | |
3786 | BLOCK_INPUT; | |
3787 | ||
b1c884c3 | 3788 | check_frame_size (f, &rows, &cols); |
f451eb13 JB |
3789 | f->display.x->vertical_scrollbar_extra = |
3790 | (FRAME_HAS_VERTICAL_SCROLLBARS (f) | |
3791 | ? VERTICAL_SCROLLBAR_PIXEL_WIDTH (f) | |
3792 | : 0); | |
3793 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
3794 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
3795 | |
3796 | #ifdef HAVE_X11 | |
f676886a | 3797 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
3798 | #endif /* ! defined (HAVE_X11) */ |
3799 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
3800 | |
3801 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
3802 | but the window manager will get around to dealing with the size | |
3803 | change request eventually, and we'll hear how it went when the | |
3804 | ConfigureNotify event gets here. */ | |
3805 | FRAME_WIDTH (f) = cols; | |
12ba150f | 3806 | FRAME_HEIGHT (f) = rows; |
b1c884c3 JB |
3807 | PIXEL_WIDTH (f) = pixelwidth; |
3808 | PIXEL_HEIGHT (f) = pixelheight; | |
3809 | ||
dc6f92b8 JB |
3810 | XFlushQueue (); |
3811 | UNBLOCK_INPUT; | |
3812 | } | |
3813 | ||
3814 | #ifndef HAVE_X11 | |
f676886a JB |
3815 | x_set_resize_hint (f) |
3816 | struct frame *f; | |
dc6f92b8 | 3817 | { |
12ba150f JB |
3818 | XSetResizeHint (FRAME_X_WINDOW (f), |
3819 | 2 * f->display.x->internal_border_width, | |
f676886a | 3820 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
3821 | FONT_WIDTH (f->display.x->font), |
3822 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 3823 | } |
c118dd06 | 3824 | #endif /* HAVE_X11 */ |
dc6f92b8 | 3825 | \f |
f451eb13 | 3826 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 3827 | |
f676886a JB |
3828 | x_set_mouse_position (f, x, y) |
3829 | struct frame *f; | |
dc6f92b8 JB |
3830 | int x, y; |
3831 | { | |
3832 | int pix_x, pix_y; | |
3833 | ||
f676886a | 3834 | x_raise_frame (f); |
dc6f92b8 | 3835 | |
12ba150f JB |
3836 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
3837 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
3838 | |
3839 | if (pix_x < 0) pix_x = 0; | |
3840 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
3841 | ||
3842 | if (pix_y < 0) pix_y = 0; | |
3843 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
3844 | |
3845 | BLOCK_INPUT; | |
dc6f92b8 | 3846 | |
c118dd06 | 3847 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
3848 | UNBLOCK_INPUT; |
3849 | } | |
3850 | ||
3851 | #ifdef HAVE_X11 | |
f676886a JB |
3852 | x_focus_on_frame (f) |
3853 | struct frame *f; | |
dc6f92b8 | 3854 | { |
f676886a | 3855 | x_raise_frame (f); |
6d4238f3 JB |
3856 | #if 0 |
3857 | /* I don't think that the ICCCM allows programs to do things like this | |
3858 | without the interaction of the window manager. Whatever you end up | |
f676886a | 3859 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 3860 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3861 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 3862 | #endif /* ! 0 */ |
dc6f92b8 JB |
3863 | } |
3864 | ||
f676886a JB |
3865 | x_unfocus_frame (f) |
3866 | struct frame *f; | |
dc6f92b8 | 3867 | { |
6d4238f3 | 3868 | #if 0 |
f676886a JB |
3869 | /* Look at the remarks in x_focus_on_frame. */ |
3870 | if (x_focus_frame == f) | |
dc6f92b8 JB |
3871 | XSetInputFocus (x_current_display, PointerRoot, |
3872 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 3873 | #endif /* ! 0 */ |
dc6f92b8 JB |
3874 | } |
3875 | ||
c118dd06 | 3876 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3877 | |
f676886a | 3878 | /* Raise frame F. */ |
dc6f92b8 | 3879 | |
f676886a JB |
3880 | x_raise_frame (f) |
3881 | struct frame *f; | |
dc6f92b8 | 3882 | { |
3a88c238 | 3883 | if (f->async_visible) |
dc6f92b8 JB |
3884 | { |
3885 | BLOCK_INPUT; | |
c118dd06 | 3886 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
3887 | XFlushQueue (); |
3888 | UNBLOCK_INPUT; | |
3889 | } | |
3890 | } | |
3891 | ||
f676886a | 3892 | /* Lower frame F. */ |
dc6f92b8 | 3893 | |
f676886a JB |
3894 | x_lower_frame (f) |
3895 | struct frame *f; | |
dc6f92b8 | 3896 | { |
3a88c238 | 3897 | if (f->async_visible) |
dc6f92b8 JB |
3898 | { |
3899 | BLOCK_INPUT; | |
c118dd06 | 3900 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
3901 | XFlushQueue (); |
3902 | UNBLOCK_INPUT; | |
3903 | } | |
3904 | } | |
3905 | ||
3906 | /* Change from withdrawn state to mapped state. */ | |
3907 | ||
f676886a JB |
3908 | x_make_frame_visible (f) |
3909 | struct frame *f; | |
dc6f92b8 JB |
3910 | { |
3911 | int mask; | |
3912 | ||
dc6f92b8 | 3913 | BLOCK_INPUT; |
dc6f92b8 | 3914 | |
f676886a | 3915 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
3916 | { |
3917 | #ifdef HAVE_X11 | |
3918 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 3919 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 3920 | |
c118dd06 | 3921 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f451eb13 | 3922 | if (FRAME_HAS_VERTICAL_SCROLLBARS (f)) |
c118dd06 JB |
3923 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
3924 | #else /* ! defined (HAVE_X11) */ | |
3925 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
3926 | if (f->display.x->icon_desc != 0) |
3927 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 3928 | |
90e65f07 | 3929 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
3930 | f->async_visible = 1; |
3931 | f->async_iconified = 0; | |
dc6f92b8 | 3932 | |
f676886a | 3933 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 3934 | XTcursor_to (0, 0); |
c118dd06 | 3935 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 3936 | } |
dc6f92b8 | 3937 | |
dc6f92b8 | 3938 | XFlushQueue (); |
90e65f07 | 3939 | |
dc6f92b8 JB |
3940 | UNBLOCK_INPUT; |
3941 | } | |
3942 | ||
3943 | /* Change from mapped state to withdrawn state. */ | |
3944 | ||
f676886a JB |
3945 | x_make_frame_invisible (f) |
3946 | struct frame *f; | |
dc6f92b8 JB |
3947 | { |
3948 | int mask; | |
3949 | ||
3a88c238 | 3950 | if (! f->async_visible) |
dc6f92b8 JB |
3951 | return; |
3952 | ||
3953 | BLOCK_INPUT; | |
c118dd06 JB |
3954 | |
3955 | #ifdef HAVE_X11R4 | |
3956 | ||
3957 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
3958 | DefaultScreen (x_current_display))) | |
3959 | { | |
3960 | UNBLOCK_INPUT_RESIGNAL; | |
3961 | error ("can't notify window manager of window withdrawl"); | |
3962 | } | |
3963 | ||
3964 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 3965 | #ifdef HAVE_X11 |
16bd92ea | 3966 | |
c118dd06 | 3967 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
3968 | if (! EQ (Vx_no_window_manager, Qt)) |
3969 | { | |
16bd92ea | 3970 | XEvent unmap; |
dc6f92b8 | 3971 | |
16bd92ea | 3972 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 3973 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
3974 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
3975 | unmap.xunmap.from_configure = False; | |
3976 | if (! XSendEvent (x_current_display, | |
3977 | DefaultRootWindow (x_current_display), | |
3978 | False, | |
3979 | SubstructureRedirectMask|SubstructureNotifyMask, | |
3980 | &unmap)) | |
3981 | { | |
3982 | UNBLOCK_INPUT_RESIGNAL; | |
3983 | error ("can't notify window manager of withdrawal"); | |
3984 | } | |
dc6f92b8 JB |
3985 | } |
3986 | ||
16bd92ea | 3987 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
3988 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
3989 | ||
3990 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 3991 | |
c118dd06 | 3992 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 3993 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 3994 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
3995 | XUnmapWindow (f->display.x->icon_desc); |
3996 | ||
3997 | #endif /* ! defined (HAVE_X11) */ | |
3998 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
3999 | |
4000 | XFlushQueue (); | |
4001 | UNBLOCK_INPUT; | |
4002 | } | |
4003 | ||
16bd92ea | 4004 | /* Window manager communication. Created in Fx_open_connection. */ |
dc6f92b8 JB |
4005 | extern Atom Xatom_wm_change_state; |
4006 | ||
4007 | /* Change window state from mapped to iconified. */ | |
4008 | ||
f676886a JB |
4009 | x_iconify_frame (f) |
4010 | struct frame *f; | |
dc6f92b8 JB |
4011 | { |
4012 | int mask; | |
4013 | ||
3a88c238 | 4014 | if (f->async_iconified) |
dc6f92b8 JB |
4015 | return; |
4016 | ||
4017 | BLOCK_INPUT; | |
4018 | ||
4019 | #ifdef HAVE_X11 | |
16bd92ea JB |
4020 | /* Since we don't know which revision of X we're running, we'll use both |
4021 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4022 | ||
4023 | /* X11R4: send a ClientMessage to the window manager using the | |
4024 | WM_CHANGE_STATE type. */ | |
4025 | { | |
4026 | XEvent message; | |
4027 | ||
c118dd06 | 4028 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4029 | message.xclient.type = ClientMessage; |
4030 | message.xclient.message_type = Xatom_wm_change_state; | |
4031 | message.xclient.format = 32; | |
4032 | message.xclient.data.l[0] = IconicState; | |
4033 | ||
4034 | if (! XSendEvent (x_current_display, | |
4035 | DefaultRootWindow (x_current_display), | |
4036 | False, | |
4037 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4038 | &message)) | |
dc6f92b8 JB |
4039 | { |
4040 | UNBLOCK_INPUT_RESIGNAL; | |
4041 | error ("Can't notify window manager of iconification."); | |
4042 | } | |
16bd92ea | 4043 | } |
dc6f92b8 | 4044 | |
16bd92ea JB |
4045 | /* X11R3: set the initial_state field of the window manager hints to |
4046 | IconicState. */ | |
4047 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4048 | |
3a88c238 | 4049 | f->async_iconified = 1; |
c118dd06 JB |
4050 | #else /* ! defined (HAVE_X11) */ |
4051 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4052 | |
3a88c238 | 4053 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4054 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4055 | { |
f676886a JB |
4056 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4057 | refreshicon (f); | |
dc6f92b8 | 4058 | } |
c118dd06 | 4059 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4060 | |
4061 | XFlushQueue (); | |
4062 | UNBLOCK_INPUT; | |
4063 | } | |
4064 | ||
c0ff3fab | 4065 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4066 | |
c0ff3fab | 4067 | x_destroy_window (f) |
f676886a | 4068 | struct frame *f; |
dc6f92b8 | 4069 | { |
dc6f92b8 | 4070 | BLOCK_INPUT; |
c0ff3fab JB |
4071 | |
4072 | if (f->display.x->icon_desc != 0) | |
4073 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4074 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
dc6f92b8 | 4075 | XFlushQueue (); |
dc6f92b8 | 4076 | |
c0ff3fab JB |
4077 | free (f->display.x); |
4078 | f->display.x = 0; | |
f676886a JB |
4079 | if (f == x_focus_frame) |
4080 | x_focus_frame = 0; | |
4081 | if (f == x_highlight_frame) | |
4082 | x_highlight_frame = 0; | |
c0ff3fab JB |
4083 | |
4084 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4085 | } |
4086 | \f | |
f451eb13 JB |
4087 | /* Manage event queues for X10. */ |
4088 | ||
dc6f92b8 JB |
4089 | #ifndef HAVE_X11 |
4090 | ||
4091 | /* Manage event queues. | |
4092 | ||
4093 | This code is only used by the X10 support. | |
4094 | ||
4095 | We cannot leave events in the X queue and get them when we are ready | |
4096 | because X does not provide a subroutine to get only a certain kind | |
4097 | of event but not block if there are no queued events of that kind. | |
4098 | ||
4099 | Therefore, we must examine events as they come in and copy events | |
4100 | of certain kinds into our private queues. | |
4101 | ||
4102 | All ExposeRegion events are put in x_expose_queue. | |
4103 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4104 | ||
4105 | ||
4106 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4107 | If the queue is full, do nothing, but return nonzero. */ | |
4108 | ||
4109 | int | |
4110 | enqueue_event (p_xrep, queue) | |
4111 | register XEvent *p_xrep; | |
4112 | register struct event_queue *queue; | |
4113 | { | |
4114 | int newindex = queue->windex + 1; | |
4115 | if (newindex == EVENT_BUFFER_SIZE) | |
4116 | newindex = 0; | |
4117 | if (newindex == queue->rindex) | |
4118 | return -1; | |
4119 | queue->xrep[queue->windex] = *p_xrep; | |
4120 | queue->windex = newindex; | |
4121 | return 0; | |
4122 | } | |
4123 | ||
4124 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4125 | If *QUEUE is empty, do nothing and return 0. */ | |
4126 | ||
4127 | int | |
4128 | dequeue_event (p_xrep, queue) | |
4129 | register XEvent *p_xrep; | |
4130 | register struct event_queue *queue; | |
4131 | { | |
4132 | if (queue->windex == queue->rindex) | |
4133 | return 0; | |
4134 | *p_xrep = queue->xrep[queue->rindex++]; | |
4135 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4136 | queue->rindex = 0; | |
4137 | return 1; | |
4138 | } | |
4139 | ||
4140 | /* Return the number of events buffered in *QUEUE. */ | |
4141 | ||
4142 | int | |
4143 | queue_event_count (queue) | |
4144 | register struct event_queue *queue; | |
4145 | { | |
4146 | int tem = queue->windex - queue->rindex; | |
4147 | if (tem >= 0) | |
4148 | return tem; | |
4149 | return EVENT_BUFFER_SIZE + tem; | |
4150 | } | |
4151 | ||
4152 | /* Return nonzero if mouse input is pending. */ | |
4153 | ||
4154 | int | |
4155 | mouse_event_pending_p () | |
4156 | { | |
4157 | return queue_event_count (&x_mouse_queue); | |
4158 | } | |
c118dd06 | 4159 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4160 | \f |
f451eb13 JB |
4161 | /* Setting window manager hints. */ |
4162 | ||
dc6f92b8 JB |
4163 | #ifdef HAVE_X11 |
4164 | ||
f676886a JB |
4165 | x_wm_set_size_hint (f, prompting) |
4166 | struct frame *f; | |
dc6f92b8 JB |
4167 | long prompting; |
4168 | { | |
4169 | XSizeHints size_hints; | |
c118dd06 | 4170 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 JB |
4171 | |
4172 | size_hints.flags = PResizeInc | PMinSize | PMaxSize; | |
4173 | ||
f676886a JB |
4174 | flexlines = f->height; |
4175 | ||
4176 | size_hints.x = f->display.x->left_pos; | |
4177 | size_hints.y = f->display.x->top_pos; | |
4178 | size_hints.height = PIXEL_HEIGHT (f); | |
4179 | size_hints.width = PIXEL_WIDTH (f); | |
4180 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4181 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
12ba150f JB |
4182 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4183 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f451eb13 | 4184 | |
b1c884c3 | 4185 | { |
b0342f17 JB |
4186 | int base_width, base_height; |
4187 | ||
f451eb13 JB |
4188 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4189 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4190 | |
4191 | { | |
4192 | int min_rows = 0, min_cols = 0; | |
4193 | check_frame_size (f, &min_rows, &min_cols); | |
4194 | ||
4195 | /* The window manager uses the base width hints to calculate the | |
4196 | current number of rows and columns in the frame while | |
4197 | resizing; min_width and min_height aren't useful for this | |
4198 | purpose, since they might not give the dimensions for a | |
4199 | zero-row, zero-column frame. | |
4200 | ||
4201 | We use the base_width and base_height members if we have | |
4202 | them; otherwise, we set the min_width and min_height members | |
4203 | to the size for a zero x zero frame. */ | |
4204 | ||
4205 | #ifdef HAVE_X11R4 | |
4206 | size_hints.flags |= PBaseSize; | |
4207 | size_hints.base_width = base_width; | |
4208 | size_hints.base_height = base_height; | |
4209 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4210 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4211 | #else | |
4212 | size_hints.min_width = base_width; | |
4213 | size_hints.min_height = base_height; | |
4214 | #endif | |
4215 | } | |
b1c884c3 | 4216 | |
b1c884c3 | 4217 | } |
dc6f92b8 JB |
4218 | |
4219 | if (prompting) | |
4220 | size_hints.flags |= prompting; | |
4221 | else | |
4222 | { | |
4223 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4224 | ||
4225 | XGetNormalHints (x_current_display, window, &hints); | |
4226 | if (hints.flags & PSize) | |
4227 | size_hints.flags |= PSize; | |
4228 | if (hints.flags & PPosition) | |
4229 | size_hints.flags |= PPosition; | |
4230 | if (hints.flags & USPosition) | |
4231 | size_hints.flags |= USPosition; | |
4232 | if (hints.flags & USSize) | |
4233 | size_hints.flags |= USSize; | |
4234 | } | |
16bd92ea | 4235 | |
b0342f17 JB |
4236 | #ifdef HAVE_X11R4 |
4237 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4238 | #else | |
dc6f92b8 | 4239 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4240 | #endif |
dc6f92b8 JB |
4241 | } |
4242 | ||
4243 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4244 | x_wm_set_window_state (f, state) |
4245 | struct frame *f; | |
dc6f92b8 JB |
4246 | int state; |
4247 | { | |
c118dd06 | 4248 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4249 | |
16bd92ea JB |
4250 | f->display.x->wm_hints.flags |= StateHint; |
4251 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4252 | |
16bd92ea | 4253 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4254 | } |
4255 | ||
f676886a JB |
4256 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4257 | struct frame *f; | |
dc6f92b8 JB |
4258 | Pixmap icon_pixmap; |
4259 | { | |
c118dd06 | 4260 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4261 | |
16bd92ea JB |
4262 | f->display.x->wm_hints.flags |= IconPixmapHint; |
4263 | f->display.x->wm_hints.icon_pixmap = icon_pixmap ? icon_pixmap : None; | |
b1c884c3 | 4264 | |
16bd92ea | 4265 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4266 | } |
4267 | ||
f676886a JB |
4268 | x_wm_set_icon_position (f, icon_x, icon_y) |
4269 | struct frame *f; | |
dc6f92b8 JB |
4270 | int icon_x, icon_y; |
4271 | { | |
c118dd06 | 4272 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4273 | |
16bd92ea JB |
4274 | f->display.x->wm_hints.flags |= IconPositionHint; |
4275 | f->display.x->wm_hints.icon_x = icon_x; | |
4276 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4277 | |
16bd92ea | 4278 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4279 | } |
4280 | ||
4281 | \f | |
f451eb13 JB |
4282 | /* Initialization. */ |
4283 | ||
dc6f92b8 JB |
4284 | void |
4285 | x_term_init (display_name) | |
4286 | char *display_name; | |
4287 | { | |
f676886a | 4288 | Lisp_Object frame; |
dc6f92b8 JB |
4289 | char *defaultvalue; |
4290 | #ifdef F_SETOWN | |
4291 | extern int old_fcntl_owner; | |
c118dd06 | 4292 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4293 | |
f676886a | 4294 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4295 | |
4296 | x_current_display = XOpenDisplay (display_name); | |
4297 | if (x_current_display == 0) | |
4298 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4299 | display_name); | |
4300 | ||
4301 | #ifdef HAVE_X11 | |
4302 | { | |
16bd92ea | 4303 | int hostname_size = 256; |
60fb3ee1 JB |
4304 | |
4305 | hostname = (char *) xmalloc (hostname_size); | |
4306 | ||
dc6f92b8 JB |
4307 | #if 0 |
4308 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4309 | #endif /* ! 0 */ |
dc6f92b8 | 4310 | |
55123275 | 4311 | invocation_name = Ffile_name_nondirectory (Fcar (Vcommand_line_args)); |
60fb3ee1 JB |
4312 | |
4313 | /* Try to get the host name; if the buffer is too short, try | |
4314 | again. Apparently, the only indication gethostname gives of | |
4315 | whether the buffer was large enough is the presence or absence | |
4316 | of a '\0' in the string. Eech. */ | |
4317 | for (;;) | |
4318 | { | |
4319 | gethostname (hostname, hostname_size - 1); | |
4320 | hostname[hostname_size - 1] = '\0'; | |
4321 | ||
4322 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4323 | if (strlen (hostname) < hostname_size - 1) | |
4324 | break; | |
4325 | ||
4326 | hostname_size <<= 1; | |
4327 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4328 | } | |
4329 | x_id_name = (char *) xmalloc (XSTRING (invocation_name)->size | |
4330 | + strlen (hostname) | |
4331 | + 2); | |
4332 | sprintf (x_id_name, "%s@%s", XSTRING (invocation_name)->data, hostname); | |
dc6f92b8 | 4333 | } |
28430d3c JB |
4334 | |
4335 | /* Figure out which modifier bits mean what. */ | |
4336 | x_find_modifier_meanings (); | |
f451eb13 JB |
4337 | |
4338 | /* Get the scrollbar cursor. */ | |
4339 | x_vertical_scrollbar_cursor = | |
4340 | XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
4341 | ||
28430d3c JB |
4342 | /* Watch for PropertyNotify events on the root window; we use them |
4343 | to figure out when to invalidate our cache of the cut buffers. */ | |
4344 | x_watch_cut_buffer_cache (); | |
4345 | ||
dc6f92b8 | 4346 | dup2 (ConnectionNumber (x_current_display), 0); |
6d4238f3 JB |
4347 | |
4348 | #ifndef SYSV_STREAMS | |
4349 | /* Streams somehow keeps track of which descriptor number | |
4350 | is being used to talk to X. So it is not safe to substitute | |
4351 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
dc6f92b8 | 4352 | close (ConnectionNumber (x_current_display)); |
6d4238f3 JB |
4353 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? |
4354 | * check the def of the macro; | |
4355 | * it is a genuine lvalue */ | |
c118dd06 | 4356 | #endif /* SYSV_STREAMS */ |
6d4238f3 | 4357 | |
c118dd06 | 4358 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4359 | |
4360 | #ifdef F_SETOWN | |
4361 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4362 | #ifdef F_SETOWN_SOCK_NEG | |
4363 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4364 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4365 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4366 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4367 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4368 | |
4369 | #ifdef SIGIO | |
4370 | init_sigio (); | |
c118dd06 | 4371 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4372 | |
4373 | /* Must use interrupt input because we cannot otherwise | |
4374 | arrange for C-g to be noticed immediately. | |
4375 | We cannot connect it to SIGINT. */ | |
4376 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4377 | ||
4378 | expose_all_windows = 0; | |
4379 | ||
f676886a | 4380 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4381 | clear_end_of_line_hook = XTclear_end_of_line; |
4382 | ins_del_lines_hook = XTins_del_lines; | |
4383 | change_line_highlight_hook = XTchange_line_highlight; | |
4384 | insert_glyphs_hook = XTinsert_glyphs; | |
4385 | write_glyphs_hook = XTwrite_glyphs; | |
4386 | delete_glyphs_hook = XTdelete_glyphs; | |
4387 | ring_bell_hook = XTring_bell; | |
4388 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4389 | set_terminal_modes_hook = XTset_terminal_modes; | |
4390 | update_begin_hook = XTupdate_begin; | |
4391 | update_end_hook = XTupdate_end; | |
4392 | set_terminal_window_hook = XTset_terminal_window; | |
4393 | read_socket_hook = XTread_socket; | |
4394 | cursor_to_hook = XTcursor_to; | |
4395 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4396 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4397 | frame_rehighlight_hook = XTframe_rehighlight; |
12ba150f | 4398 | set_vertical_scrollbar_hook = XTset_vertical_scrollbar; |
f451eb13 JB |
4399 | condemn_scrollbars_hook = XTcondemn_scrollbars; |
4400 | redeem_scrollbar_hook = XTredeem_scrollbar; | |
4401 | judge_scrollbars_hook = XTjudge_scrollbars; | |
dc6f92b8 | 4402 | |
f676886a | 4403 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4404 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4405 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4406 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4407 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4408 | off the bottom */ |
4409 | baud_rate = 19200; | |
4410 | ||
c118dd06 JB |
4411 | /* Note that there is no real way portable across R3/R4 to get the |
4412 | original error handler. */ | |
4413 | XHandleError (x_error_quitter); | |
4414 | XHandleIOError (x_error_quitter); | |
dc6f92b8 JB |
4415 | |
4416 | /* Disable Window Change signals; they are handled by X events. */ | |
4417 | #ifdef SIGWINCH | |
4418 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4419 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4420 | |
c118dd06 | 4421 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4422 | } |
55123275 JB |
4423 | |
4424 | void | |
4425 | syms_of_xterm () | |
4426 | { | |
4427 | staticpro (&invocation_name); | |
4428 | invocation_name = Qnil; | |
12ba150f JB |
4429 | |
4430 | staticpro (&last_mouse_scrollbar); | |
55123275 | 4431 | } |
c118dd06 JB |
4432 | #endif /* ! defined (HAVE_X11) */ |
4433 | #endif /* ! defined (HAVE_X_WINDOWS) */ |