Commit | Line | Data |
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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; | |
dbc4e1c1 | 660 | |
c118dd06 | 661 | XClear (FRAME_X_WINDOW (f)); |
dbc4e1c1 JB |
662 | |
663 | /* We have to clear the scrollbars, too. If we have changed | |
664 | colors or something like that, then they should be notified. */ | |
665 | x_scrollbar_clear (f); | |
666 | ||
dc6f92b8 | 667 | #ifndef HAVE_X11 |
f676886a | 668 | dumpborder (f, 0); |
c118dd06 | 669 | #endif /* HAVE_X11 */ |
dbc4e1c1 | 670 | |
dc6f92b8 JB |
671 | XFlushQueue (); |
672 | UNBLOCK_INPUT; | |
673 | } | |
674 | \f | |
dbc4e1c1 JB |
675 | /* Invert the middle quarter of the frame for .15 sec. */ |
676 | ||
677 | /* We use the select system call to do the waiting, so we have to make sure | |
678 | it's avaliable. If it isn't, we just won't do visual bells. */ | |
679 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) | |
680 | ||
681 | /* Subtract the `struct timeval' values X and Y, | |
682 | storing the result in RESULT. | |
683 | Return 1 if the difference is negative, otherwise 0. */ | |
684 | ||
685 | static int | |
686 | timeval_subtract (result, x, y) | |
687 | struct timeval *result, x, y; | |
688 | { | |
689 | /* Perform the carry for the later subtraction by updating y. | |
690 | This is safer because on some systems | |
691 | the tv_sec member is unsigned. */ | |
692 | if (x.tv_usec < y.tv_usec) | |
693 | { | |
694 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
695 | y.tv_usec -= 1000000 * nsec; | |
696 | y.tv_sec += nsec; | |
697 | } | |
698 | if (x.tv_usec - y.tv_usec > 1000000) | |
699 | { | |
700 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
701 | y.tv_usec += 1000000 * nsec; | |
702 | y.tv_sec -= nsec; | |
703 | } | |
704 | ||
705 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
706 | result->tv_sec = x.tv_sec - y.tv_sec; | |
707 | result->tv_usec = x.tv_usec - y.tv_usec; | |
708 | ||
709 | /* Return indication of whether the result should be considered negative. */ | |
710 | return x.tv_sec < y.tv_sec; | |
711 | } | |
dc6f92b8 | 712 | |
f676886a JB |
713 | XTflash (f) |
714 | struct frame *f; | |
dc6f92b8 | 715 | { |
dbc4e1c1 | 716 | BLOCK_INPUT; |
dc6f92b8 | 717 | |
dbc4e1c1 JB |
718 | { |
719 | GC gc; | |
dc6f92b8 | 720 | |
dbc4e1c1 JB |
721 | /* Create a GC that will use the GXxor function to flip foreground pixels |
722 | into background pixels. */ | |
723 | { | |
724 | XGCValues values; | |
dc6f92b8 | 725 | |
dbc4e1c1 JB |
726 | values.function = GXxor; |
727 | values.foreground = (f->display.x->foreground_pixel | |
728 | ^ f->display.x->background_pixel); | |
729 | ||
730 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
731 | GCFunction | GCForeground, &values); | |
732 | } | |
dc6f92b8 | 733 | |
dbc4e1c1 JB |
734 | { |
735 | int width = PIXEL_WIDTH (f); | |
736 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 737 | |
dbc4e1c1 JB |
738 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
739 | width/4, height/4, width/2, height/2); | |
740 | XFlush (x_current_display); | |
dc6f92b8 | 741 | |
dbc4e1c1 JB |
742 | { |
743 | struct timeval wakeup, now; | |
dc6f92b8 | 744 | |
dbc4e1c1 | 745 | gettimeofday (&wakeup, (struct timezone *) 0); |
dc6f92b8 | 746 | |
dbc4e1c1 JB |
747 | /* Compute time to wait until, propagating carry from usecs. */ |
748 | wakeup.tv_usec += 150000; | |
749 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
750 | wakeup.tv_usec %= 1000000; | |
751 | ||
752 | /* Keep waiting until past the time wakeup. */ | |
753 | while (1) | |
754 | { | |
755 | struct timeval timeout; | |
756 | ||
757 | gettimeofday (&timeout, (struct timezone *)0); | |
758 | ||
759 | /* In effect, timeout = wakeup - timeout. | |
760 | Break if result would be negative. */ | |
761 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
762 | break; | |
763 | ||
764 | /* Try to wait that long--but we might wake up sooner. */ | |
765 | select (0, 0, 0, 0, &timeout); | |
766 | } | |
767 | } | |
768 | ||
769 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
770 | width/4, height/4, width/2, height/2); | |
771 | XFreeGC (x_current_display, gc); | |
772 | XFlush (x_current_display); | |
dc6f92b8 | 773 | } |
dbc4e1c1 JB |
774 | } |
775 | ||
776 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
777 | } |
778 | ||
dbc4e1c1 JB |
779 | #endif |
780 | ||
781 | ||
dc6f92b8 JB |
782 | /* Make audible bell. */ |
783 | ||
784 | #ifdef HAVE_X11 | |
785 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 786 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 787 | #define XRINGBELL XFeep(0); |
c118dd06 | 788 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
789 | |
790 | XTring_bell () | |
791 | { | |
dbc4e1c1 | 792 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 793 | if (visible_bell) |
f676886a | 794 | XTflash (selected_frame); |
dc6f92b8 | 795 | else |
dbc4e1c1 | 796 | #endif |
dc6f92b8 JB |
797 | { |
798 | BLOCK_INPUT; | |
799 | XRINGBELL; | |
800 | XFlushQueue (); | |
801 | UNBLOCK_INPUT; | |
802 | } | |
803 | } | |
804 | \f | |
f451eb13 JB |
805 | /* Insert and delete character. |
806 | These are not supposed to be used because we are supposed to turn | |
807 | off the feature of using them. */ | |
dc6f92b8 JB |
808 | |
809 | static | |
810 | XTinsert_glyphs (start, len) | |
811 | register char *start; | |
812 | register int len; | |
813 | { | |
814 | abort (); | |
815 | } | |
816 | ||
817 | static | |
818 | XTdelete_glyphs (n) | |
819 | register int n; | |
820 | { | |
821 | abort (); | |
822 | } | |
823 | \f | |
824 | /* Specify how many text lines, from the top of the window, | |
825 | should be affected by insert-lines and delete-lines operations. | |
826 | This, and those operations, are used only within an update | |
827 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
828 | ||
829 | static | |
830 | XTset_terminal_window (n) | |
831 | register int n; | |
832 | { | |
f676886a | 833 | if (updating_frame == 0) |
dc6f92b8 JB |
834 | abort (); |
835 | ||
f676886a JB |
836 | if ((n <= 0) || (n > updating_frame->height)) |
837 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
838 | else |
839 | flexlines = n; | |
840 | } | |
841 | \f | |
f451eb13 JB |
842 | /* Perform an insert-lines operation. |
843 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
844 | |
845 | static void | |
846 | stufflines (n) | |
847 | register int n; | |
848 | { | |
849 | register int topregion, bottomregion; | |
850 | register int length, newtop, mask; | |
f676886a JB |
851 | register struct frame *f = updating_frame; |
852 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
853 | |
854 | if (curs_y >= flexlines) | |
855 | return; | |
856 | ||
857 | topregion = curs_y; | |
858 | bottomregion = flexlines - (n + 1); | |
859 | newtop = topregion + n; | |
860 | length = (bottomregion - topregion) + 1; | |
861 | ||
862 | #ifndef HAVE_X11 | |
863 | dumpqueue (); | |
c118dd06 | 864 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
865 | |
866 | if ((length > 0) && (newtop <= flexlines)) | |
867 | { | |
868 | #ifdef HAVE_X11 | |
c118dd06 JB |
869 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
870 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 871 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
872 | f->width * FONT_WIDTH (f->display.x->font), |
873 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 874 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
875 | #else /* ! defined (HAVE_X11) */ |
876 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
877 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
878 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
879 | f->width * FONT_WIDTH (f->display.x->font), |
880 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
881 | /* Now we must process any ExposeRegion events that occur |
882 | if the area being copied from is obscured. | |
883 | We can't let it wait because further i/d operations | |
884 | may want to copy this area to another area. */ | |
885 | x_read_exposes (); | |
c118dd06 | 886 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
887 | } |
888 | ||
889 | newtop = min (newtop, (flexlines - 1)); | |
890 | length = newtop - topregion; | |
891 | if (length > 0) | |
892 | { | |
893 | #ifdef HAVE_X11 | |
c118dd06 | 894 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 895 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
896 | f->width * FONT_WIDTH (f->display.x->font), |
897 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
898 | #else /* ! defined (HAVE_X11) */ |
899 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 900 | intborder, |
12ba150f | 901 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
902 | f->width * FONT_WIDTH (f->display.x->font), |
903 | n * FONT_HEIGHT (f->display.x->font), | |
904 | f->display.x->background_pixel); | |
c118dd06 | 905 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
906 | } |
907 | } | |
908 | ||
909 | /* Perform a delete-lines operation, deleting N lines | |
910 | at a vertical position curs_y. */ | |
911 | ||
912 | static void | |
913 | scraplines (n) | |
914 | register int n; | |
915 | { | |
916 | int mask; | |
f676886a JB |
917 | register struct frame *f = updating_frame; |
918 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
919 | |
920 | if (curs_y >= flexlines) | |
921 | return; | |
922 | ||
923 | #ifndef HAVE_X11 | |
924 | dumpqueue (); | |
c118dd06 | 925 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
926 | |
927 | if ((curs_y + n) >= flexlines) | |
928 | { | |
929 | if (flexlines >= (curs_y + 1)) | |
930 | { | |
931 | #ifdef HAVE_X11 | |
c118dd06 | 932 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 933 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
934 | f->width * FONT_WIDTH (f->display.x->font), |
935 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
936 | #else /* ! defined (HAVE_X11) */ |
937 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 938 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
939 | f->width * FONT_WIDTH (f->display.x->font), |
940 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
941 | f->display.x->background_pixel); | |
c118dd06 | 942 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
943 | } |
944 | } | |
945 | else | |
946 | { | |
947 | #ifdef HAVE_X11 | |
c118dd06 JB |
948 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
949 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 950 | intborder, |
12ba150f | 951 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
952 | f->width * FONT_WIDTH (f->display.x->font), |
953 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 954 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 955 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 956 | intborder, |
12ba150f | 957 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
958 | f->width * FONT_WIDTH (f->display.x->font), |
959 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
960 | #else /* ! defined (HAVE_X11) */ |
961 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 962 | intborder, |
12ba150f JB |
963 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
964 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
965 | f->width * FONT_WIDTH (f->display.x->font), |
966 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
967 | /* Now we must process any ExposeRegion events that occur |
968 | if the area being copied from is obscured. | |
969 | We can't let it wait because further i/d operations | |
970 | may want to copy this area to another area. */ | |
971 | x_read_exposes (); | |
c118dd06 | 972 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 973 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
974 | f->width * FONT_WIDTH (f->display.x->font), |
975 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 976 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
977 | } |
978 | } | |
979 | ||
980 | /* Perform an insert-lines or delete-lines operation, | |
981 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
982 | ||
983 | XTins_del_lines (vpos, n) | |
984 | int vpos, n; | |
985 | { | |
f676886a | 986 | if (updating_frame == 0) |
dc6f92b8 JB |
987 | abort (); |
988 | ||
90e65f07 | 989 | /* Hide the cursor. */ |
f676886a | 990 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
991 | |
992 | XTcursor_to (vpos, 0); | |
993 | ||
994 | BLOCK_INPUT; | |
995 | if (n >= 0) | |
996 | stufflines (n); | |
997 | else | |
998 | scraplines (-n); | |
999 | XFlushQueue (); | |
1000 | UNBLOCK_INPUT; | |
1001 | } | |
1002 | \f | |
f451eb13 | 1003 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1004 | static void clear_cursor (); |
1005 | ||
f676886a JB |
1006 | /* Output into a rectangle of an X-window (for frame F) |
1007 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
1008 | TOP and LEFT are the position of the upper left corner of the rectangle. |
1009 | ROWS and COLS are the size of the rectangle. */ | |
1010 | ||
1011 | static void | |
f676886a JB |
1012 | dumprectangle (f, left, top, cols, rows) |
1013 | struct frame *f; | |
dc6f92b8 JB |
1014 | register int left, top, cols, rows; |
1015 | { | |
f676886a | 1016 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1017 | int cursor_cleared = 0; |
1018 | int bottom, right; | |
1019 | register int y; | |
1020 | ||
f676886a | 1021 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1022 | return; |
1023 | ||
dc6f92b8 JB |
1024 | /* Express rectangle as four edges, instead of position-and-size. */ |
1025 | bottom = top + rows; | |
1026 | right = left + cols; | |
1027 | ||
1028 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1029 | { |
1030 | int intborder = f->display.x->internal_border_width; | |
1031 | ||
1032 | /* If the rectangle includes any of the internal border area, | |
1033 | redisplay the border emphasis. */ | |
1034 | if (top < intborder || left < intborder | |
1035 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1036 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1037 | dumpborder (f, 0); | |
1038 | } | |
c118dd06 | 1039 | #endif /* HAVE_X11 /* Window manger does this for X11. */ */ |
dc6f92b8 JB |
1040 | |
1041 | /* Convert rectangle edges in pixels to edges in chars. | |
1042 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1043 | top = PIXEL_TO_CHAR_ROW (f, top); |
1044 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1045 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1046 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1047 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1048 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1049 | |
1050 | /* Clip the rectangle to what can be visible. */ | |
1051 | if (left < 0) | |
1052 | left = 0; | |
1053 | if (top < 0) | |
1054 | top = 0; | |
f676886a JB |
1055 | if (right > f->width) |
1056 | right = f->width; | |
1057 | if (bottom > f->height) | |
1058 | bottom = f->height; | |
dc6f92b8 JB |
1059 | |
1060 | /* Get size in chars of the rectangle. */ | |
1061 | cols = right - left; | |
1062 | rows = bottom - top; | |
1063 | ||
1064 | /* If rectangle has zero area, return. */ | |
1065 | if (rows <= 0) return; | |
1066 | if (cols <= 0) return; | |
1067 | ||
1068 | /* Turn off the cursor if it is in the rectangle. | |
1069 | We will turn it back on afterward. */ | |
f676886a JB |
1070 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1071 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1072 | { |
f676886a | 1073 | clear_cursor (f); |
dc6f92b8 JB |
1074 | cursor_cleared = 1; |
1075 | } | |
1076 | ||
1077 | /* Display the text in the rectangle, one text line at a time. */ | |
1078 | ||
1079 | for (y = top; y < bottom; y++) | |
1080 | { | |
f676886a | 1081 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1082 | |
f676886a | 1083 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1084 | continue; |
1085 | ||
f676886a | 1086 | dumpglyphs (f, |
12ba150f JB |
1087 | CHAR_TO_PIXEL_COL (f, left), |
1088 | CHAR_TO_PIXEL_ROW (f, y), | |
1089 | line, min (cols, active_frame->used[y] - left), | |
1090 | active_frame->highlight[y], f->display.x->font); | |
dc6f92b8 JB |
1091 | } |
1092 | ||
1093 | /* Turn the cursor on if we turned it off. */ | |
1094 | ||
1095 | if (cursor_cleared) | |
f676886a | 1096 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1097 | } |
1098 | ||
1099 | #ifndef HAVE_X11 | |
1100 | /* Process all queued ExposeRegion events. */ | |
1101 | ||
1102 | static void | |
1103 | dumpqueue () | |
1104 | { | |
1105 | register int i; | |
1106 | XExposeRegionEvent r; | |
1107 | ||
1108 | while (dequeue_event (&r, &x_expose_queue)) | |
1109 | { | |
f676886a JB |
1110 | struct frame *f = x_window_to_frame (r.window); |
1111 | if (f->display.x->icon_desc == r.window) | |
1112 | refreshicon (f); | |
dc6f92b8 | 1113 | else |
f676886a | 1114 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1115 | } |
1116 | XFlushQueue (); | |
1117 | } | |
c118dd06 | 1118 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1119 | \f |
f451eb13 | 1120 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1121 | Redraws the cursor if necessary on any frame that |
1122 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1123 | |
f451eb13 | 1124 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1125 | static void |
1126 | x_do_pending_expose () | |
1127 | { | |
1128 | int mask; | |
f676886a JB |
1129 | struct frame *f; |
1130 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1131 | |
1132 | if (expose_all_windows) | |
1133 | { | |
1134 | expose_all_windows = 0; | |
f676886a | 1135 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1136 | { |
1137 | register int temp_width, temp_height; | |
1138 | int intborder; | |
1139 | ||
f676886a JB |
1140 | frame = XCONS (tail)->car; |
1141 | if (XTYPE (frame) != Lisp_Frame) | |
dc6f92b8 | 1142 | continue; |
f676886a | 1143 | f = XFRAME (frame); |
b1c884c3 | 1144 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1145 | continue; |
3a88c238 | 1146 | if (!f->async_visible) |
dc6f92b8 | 1147 | continue; |
f676886a | 1148 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1149 | continue; |
1150 | ||
f676886a | 1151 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1152 | |
f676886a | 1153 | clear_cursor (f); |
c118dd06 | 1154 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1155 | temp_width = ((windowinfo.width - 2 * intborder |
f676886a JB |
1156 | - f->display.x->v_scrollbar_width) |
1157 | / FONT_WIDTH (f->display.x->font)); | |
dc6f92b8 | 1158 | temp_height = ((windowinfo.height- 2 * intborder |
f676886a JB |
1159 | - f->display.x->h_scrollbar_height) |
1160 | / FONT_HEIGHT (f->display.x->font)); | |
1161 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1162 | { |
f676886a | 1163 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1164 | max (1, temp_width), 0, 1); |
f676886a | 1165 | x_resize_scrollbars (f); |
dc6f92b8 | 1166 | } |
f676886a JB |
1167 | f->display.x->left_pos = windowinfo.x; |
1168 | f->display.x->top_pos = windowinfo.y; | |
1169 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1170 | #if 0 |
f676886a | 1171 | dumpborder (f, 0); |
c118dd06 | 1172 | #endif /* ! 0 */ |
f676886a JB |
1173 | f->display.x->needs_exposure = 0; |
1174 | if (updating_frame != f) | |
1175 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1176 | XFlushQueue (); |
1177 | } | |
1178 | } | |
1179 | else | |
1180 | /* Handle any individual-rectangle expose events queued | |
1181 | for various windows. */ | |
1182 | #ifdef HAVE_X11 | |
1183 | ; | |
c118dd06 | 1184 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1185 | dumpqueue (); |
c118dd06 | 1186 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1187 | } |
f451eb13 | 1188 | #endif |
dc6f92b8 JB |
1189 | |
1190 | #ifdef HAVE_X11 | |
1191 | static void | |
f676886a JB |
1192 | frame_highlight (frame) |
1193 | struct frame *frame; | |
dc6f92b8 JB |
1194 | { |
1195 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1196 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1197 | frame->display.x->border_pixel); |
1198 | x_display_cursor (frame, 1); | |
dc6f92b8 JB |
1199 | } |
1200 | ||
1201 | static void | |
f676886a JB |
1202 | frame_unhighlight (frame) |
1203 | struct frame *frame; | |
dc6f92b8 JB |
1204 | { |
1205 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1206 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1207 | frame->display.x->border_tile); |
1208 | x_display_cursor (frame, 1); | |
dc6f92b8 | 1209 | } |
c118dd06 | 1210 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1211 | /* Dump the border-emphasis of frame F. |
1212 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1213 | just within the border, occupying a portion of the internal border. |
f676886a | 1214 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1215 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1216 | ||
f676886a | 1217 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1218 | In that case, we also turn the cursor off and on again |
1219 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1220 | ||
1221 | static void | |
f676886a JB |
1222 | dumpborder (f, always) |
1223 | struct frame *f; | |
dc6f92b8 JB |
1224 | int always; |
1225 | { | |
f676886a JB |
1226 | int thickness = f->display.x->internal_border_width / 2; |
1227 | int width = PIXEL_WIDTH (f); | |
1228 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1229 | int pixel; |
1230 | ||
f676886a | 1231 | if (f != selected_frame) |
dc6f92b8 JB |
1232 | { |
1233 | if (!always) | |
1234 | return; | |
1235 | ||
f676886a | 1236 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1237 | } |
1238 | else | |
1239 | { | |
f676886a | 1240 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1241 | } |
1242 | ||
c118dd06 JB |
1243 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1244 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1245 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1246 | thickness, pixel); |
c118dd06 | 1247 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1248 | height, pixel); |
1249 | ||
1250 | if (always) | |
f676886a | 1251 | x_display_cursor (f, 1); |
dc6f92b8 | 1252 | } |
c118dd06 | 1253 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1254 | |
f676886a | 1255 | static void XTframe_rehighlight (); |
6d4238f3 | 1256 | |
f676886a JB |
1257 | /* The focus has changed. Update the frames as necessary to reflect |
1258 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1259 | here, because the lisp code we are interrupting might become confused. |
f676886a | 1260 | Each event gets marked with the frame in which it occured, so the |
6d4238f3 | 1261 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1262 | |
6d4238f3 | 1263 | static void |
f676886a JB |
1264 | x_new_focus_frame (frame) |
1265 | struct frame *frame; | |
dc6f92b8 | 1266 | { |
f676886a | 1267 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1268 | int events_enqueued = 0; |
1269 | ||
f676886a | 1270 | if (frame != x_focus_frame) |
dc6f92b8 | 1271 | { |
6d4238f3 | 1272 | /* Set this before calling other routines, so that they see |
f676886a JB |
1273 | the correct value of x_focus_frame. */ |
1274 | x_focus_frame = frame; | |
6d4238f3 JB |
1275 | |
1276 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1277 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1278 | |
1279 | #if 0 | |
f676886a JB |
1280 | selected_frame = frame; |
1281 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1282 | Lisp_Frame, selected_frame); | |
1283 | Fselect_window (selected_frame->selected_window); | |
1284 | choose_minibuf_frame (); | |
c118dd06 | 1285 | #endif /* ! 0 */ |
dc6f92b8 | 1286 | |
f676886a JB |
1287 | if (x_focus_frame && x_focus_frame->auto_raise) |
1288 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1289 | } |
dc6f92b8 | 1290 | |
f676886a | 1291 | XTframe_rehighlight (); |
6d4238f3 JB |
1292 | } |
1293 | ||
1294 | ||
f451eb13 JB |
1295 | /* The focus has changed, or we have redirected a frame's focus to |
1296 | another frame (this happens when a frame uses a surrogate | |
1297 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1298 | static void |
f676886a | 1299 | XTframe_rehighlight () |
6d4238f3 | 1300 | { |
f676886a | 1301 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1302 | |
f676886a | 1303 | if (x_focus_frame) |
6d4238f3 | 1304 | { |
f451eb13 JB |
1305 | x_highlight_frame = |
1306 | ((XTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) | |
1307 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) | |
1308 | : x_focus_frame); | |
1309 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1310 | { | |
1311 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1312 | x_highlight_frame = x_focus_frame; | |
1313 | } | |
dc6f92b8 | 1314 | } |
6d4238f3 | 1315 | else |
f676886a | 1316 | x_highlight_frame = 0; |
dc6f92b8 | 1317 | |
f676886a | 1318 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1319 | { |
1320 | if (old_highlight) | |
f676886a JB |
1321 | frame_unhighlight (old_highlight); |
1322 | if (x_highlight_frame) | |
1323 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1324 | } |
dc6f92b8 JB |
1325 | } |
1326 | \f | |
90e65f07 JB |
1327 | /* Mouse clicks and mouse movement. Rah. */ |
1328 | #ifdef HAVE_X11 | |
1329 | ||
f676886a | 1330 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return |
90e65f07 JB |
1331 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle |
1332 | that the glyph at X, Y occupies, if BOUNDS != 0. */ | |
1333 | static void | |
f676886a JB |
1334 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds) |
1335 | FRAME_PTR f; | |
dc6f92b8 JB |
1336 | register unsigned int pix_x, pix_y; |
1337 | register int *x, *y; | |
90e65f07 | 1338 | XRectangle *bounds; |
dc6f92b8 | 1339 | { |
12ba150f JB |
1340 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1341 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
90e65f07 JB |
1342 | |
1343 | if (bounds) | |
1344 | { | |
12ba150f JB |
1345 | bounds->width = FONT_WIDTH (f->display.x->font); |
1346 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1347 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1348 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
90e65f07 | 1349 | } |
12ba150f JB |
1350 | |
1351 | if (pix_x < 0) pix_x = 0; | |
1352 | else if (pix_x > f->width) pix_x = f->width; | |
1353 | ||
1354 | if (pix_y < 0) pix_y = 0; | |
1355 | else if (pix_y > f->height) pix_y = f->height; | |
1356 | ||
1357 | *x = pix_x; | |
1358 | *y = pix_y; | |
dc6f92b8 | 1359 | } |
dc6f92b8 JB |
1360 | |
1361 | /* Any buttons grabbed. */ | |
1362 | unsigned int x_mouse_grabbed; | |
1363 | ||
28430d3c JB |
1364 | /* Which modifier keys are on which modifier bits? |
1365 | ||
1366 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1367 | keys were held down when the key was pressed. The interpretation |
1368 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1369 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1370 | is the meta bit. | |
1371 | ||
1372 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1373 | It may have more than one bit set, if more than one modifier bit | |
1374 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1375 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1376 | ||
1377 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1378 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1379 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1380 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1381 | arrangement, the lock modifier should shift the character if | |
1382 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1383 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c JB |
1384 | |
1385 | /* Initialize mode_switch_bit and modifier_meaning. */ | |
1386 | static void | |
1387 | x_find_modifier_meanings () | |
1388 | { | |
f689eb05 | 1389 | int min_code, max_code; |
28430d3c JB |
1390 | KeySym *syms; |
1391 | int syms_per_code; | |
1392 | XModifierKeymap *mods; | |
f689eb05 | 1393 | int alt_mod_mask = 0; |
28430d3c JB |
1394 | |
1395 | x_meta_mod_mask = 0; | |
11edeb03 | 1396 | x_shift_lock_mask = 0; |
28430d3c JB |
1397 | |
1398 | XDisplayKeycodes (x_current_display, &min_code, &max_code); | |
1399 | syms = XGetKeyboardMapping (x_current_display, | |
1400 | min_code, max_code - min_code + 1, | |
1401 | &syms_per_code); | |
1402 | mods = XGetModifierMapping (x_current_display); | |
1403 | ||
11edeb03 JB |
1404 | /* Scan the modifier table to see which modifier bits the Meta and |
1405 | Alt keysyms are on. */ | |
28430d3c JB |
1406 | { |
1407 | int row, col; /* The row and column in the modifier table. */ | |
1408 | ||
1409 | for (row = 3; row < 8; row++) | |
1410 | for (col = 0; col < mods->max_keypermod; col++) | |
1411 | { | |
1412 | KeyCode code = | |
1413 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1414 | ||
1415 | /* Are any of this keycode's keysyms a meta key? */ | |
1416 | { | |
1417 | int code_col; | |
1418 | ||
1419 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1420 | { | |
f689eb05 | 1421 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1422 | |
f689eb05 | 1423 | switch (sym) |
28430d3c | 1424 | { |
f689eb05 JB |
1425 | case XK_Meta_L: |
1426 | case XK_Meta_R: | |
28430d3c JB |
1427 | x_meta_mod_mask |= (1 << row); |
1428 | break; | |
f689eb05 JB |
1429 | |
1430 | case XK_Alt_L: | |
1431 | case XK_Alt_R: | |
1432 | alt_mod_mask |= (1 << row); | |
1433 | break; | |
11edeb03 JB |
1434 | |
1435 | case XK_Shift_Lock: | |
1436 | /* Ignore this if it's not on the lock modifier. */ | |
1437 | if ((1 << row) == LockMask) | |
1438 | x_shift_lock_mask = LockMask; | |
1439 | break; | |
28430d3c JB |
1440 | } |
1441 | } | |
1442 | } | |
1443 | } | |
1444 | } | |
1445 | ||
f689eb05 JB |
1446 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1447 | if (! x_meta_mod_mask) | |
1448 | x_meta_mod_mask = alt_mod_mask; | |
1449 | ||
28430d3c | 1450 | XFree ((char *) syms); |
f689eb05 | 1451 | XFreeModifiermap (mods); |
28430d3c JB |
1452 | } |
1453 | ||
1454 | ||
dc6f92b8 JB |
1455 | /* Convert a set of X modifier bits to the proper form for a |
1456 | struct input_event modifiers value. */ | |
1457 | ||
7c5283e4 | 1458 | static unsigned int |
dc6f92b8 JB |
1459 | x_convert_modifiers (state) |
1460 | unsigned int state; | |
1461 | { | |
11edeb03 JB |
1462 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1463 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
1464 | | ((state & x_meta_mod_mask) ? meta_modifier : 0)); | |
dc6f92b8 JB |
1465 | } |
1466 | ||
dc6f92b8 JB |
1467 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1468 | ||
1469 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1470 | the mouse. */ |
dc6f92b8 JB |
1471 | |
1472 | static Lisp_Object | |
f451eb13 | 1473 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1474 | struct input_event *result; |
1475 | XButtonEvent *event; | |
f676886a | 1476 | struct frame *f; |
dc6f92b8 | 1477 | { |
f451eb13 | 1478 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1479 | otherwise. */ |
f451eb13 JB |
1480 | result->kind = mouse_click; |
1481 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1482 | result->timestamp = event->time; |
dc6f92b8 | 1483 | result->modifiers = (x_convert_modifiers (event->state) |
f689eb05 JB |
1484 | | (event->type == ButtonRelease |
1485 | ? up_modifier | |
1486 | : down_modifier)); | |
dc6f92b8 JB |
1487 | |
1488 | /* Notice if the mouse is still grabbed. */ | |
1489 | if (event->type == ButtonPress) | |
1490 | { | |
1491 | if (! x_mouse_grabbed) | |
1492 | Vmouse_depressed = Qt; | |
90e65f07 | 1493 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1494 | } |
1495 | else if (event->type == ButtonRelease) | |
1496 | { | |
90e65f07 | 1497 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1498 | if (!x_mouse_grabbed) |
1499 | Vmouse_depressed = Qnil; | |
1500 | } | |
1501 | ||
f451eb13 JB |
1502 | { |
1503 | int row, column; | |
dc6f92b8 | 1504 | |
f451eb13 JB |
1505 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1506 | XFASTINT (result->x) = column; | |
1507 | XFASTINT (result->y) = row; | |
12ba150f | 1508 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1509 | } |
dc6f92b8 JB |
1510 | } |
1511 | ||
1512 | ||
90e65f07 JB |
1513 | /* Mouse movement. Rah. |
1514 | ||
1515 | In order to avoid asking for motion events and then throwing most | |
1516 | of them away or busy-polling the server for mouse positions, we ask | |
1517 | the server for pointer motion hints. This means that we get only | |
1518 | one event per group of mouse movements. "Groups" are delimited by | |
1519 | other kinds of events (focus changes and button clicks, for | |
1520 | example), or by XQueryPointer calls; when one of these happens, we | |
1521 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1522 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1523 | tracking is on, and I suspect only negligibly worse when tracking |
1524 | is off. | |
1525 | ||
1526 | The silly O'Reilly & Associates Nutshell guides barely document | |
1527 | pointer motion hints at all (I think you have to infer how they | |
1528 | work from an example), and the description of XQueryPointer doesn't | |
1529 | mention that calling it causes you to get another motion hint from | |
1530 | the server, which is very important. */ | |
1531 | ||
1532 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1533 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1534 | static XRectangle last_mouse_glyph; |
1535 | ||
12ba150f JB |
1536 | /* The scrollbar in which the last X motion event occurred. |
1537 | ||
1538 | If the last X motion event occured in a scrollbar, we set this | |
1539 | so XTmouse_position can know whether to report a scrollbar motion or | |
1540 | an ordinary motion. | |
1541 | ||
1542 | If the last X motion event didn't occur in a scrollbar, we set this | |
1543 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
1544 | static Lisp_Object last_mouse_scrollbar; | |
f451eb13 | 1545 | |
e5d77022 JB |
1546 | /* This is a hack. We would really prefer that XTmouse_position would |
1547 | return the time associated with the position it returns, but there | |
1548 | doesn't seem to be any way to wrest the timestamp from the server | |
1549 | along with the position query. So, we just keep track of the time | |
1550 | of the last movement we received, and return that in hopes that | |
1551 | it's somewhat accurate. */ | |
1552 | static Time last_mouse_movement_time; | |
1553 | ||
90e65f07 JB |
1554 | /* Function to report a mouse movement to the mainstream Emacs code. |
1555 | The input handler calls this. | |
1556 | ||
1557 | We have received a mouse movement event, which is given in *event. | |
1558 | If the mouse is over a different glyph than it was last time, tell | |
1559 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1560 | another motion event, so we can check again the next time it moves. */ | |
1561 | static void | |
12ba150f | 1562 | note_mouse_movement (frame, event) |
f676886a | 1563 | FRAME_PTR frame; |
90e65f07 JB |
1564 | XMotionEvent *event; |
1565 | ||
1566 | { | |
e5d77022 JB |
1567 | last_mouse_movement_time = event->time; |
1568 | ||
90e65f07 JB |
1569 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1570 | if (event->x < last_mouse_glyph.x | |
1571 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1572 | || event->y < last_mouse_glyph.y | |
1573 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1574 | { |
1575 | mouse_moved = 1; | |
1576 | last_mouse_scrollbar = Qnil; | |
1577 | } | |
90e65f07 JB |
1578 | else |
1579 | { | |
1580 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1581 | event the next time the mouse moves and we can see if it's | |
1582 | *still* on the same glyph. */ | |
1583 | int dummy; | |
1584 | ||
1585 | XQueryPointer (event->display, event->window, | |
1586 | (Window *) &dummy, (Window *) &dummy, | |
1587 | &dummy, &dummy, &dummy, &dummy, | |
1588 | (unsigned int *) &dummy); | |
1589 | } | |
1590 | } | |
1591 | ||
12ba150f JB |
1592 | static struct scrollbar *x_window_to_scrollbar (); |
1593 | static void x_scrollbar_report_motion (); | |
1594 | ||
90e65f07 JB |
1595 | /* Return the current position of the mouse. |
1596 | ||
12ba150f JB |
1597 | If the mouse movement started in a scrollbar, set *f, *bar_window, |
1598 | and *part to the frame, window, and scrollbar part that the mouse | |
1599 | is over. Set *x and *y to the portion and whole of the mouse's | |
1600 | position on the scrollbar. | |
1601 | ||
1602 | If the mouse movement started elsewhere, set *f to the frame the | |
1603 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1604 | the mouse is over. | |
1605 | ||
1606 | Set *time to the server timestamp for the time at which the mouse | |
1607 | was at this position. | |
1608 | ||
90e65f07 | 1609 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1610 | movement. This also calls XQueryPointer, which will cause the |
1611 | server to give us another MotionNotify when the mouse moves | |
1612 | again. */ | |
90e65f07 JB |
1613 | |
1614 | static void | |
12ba150f | 1615 | XTmouse_position (f, bar_window, part, x, y, time) |
f676886a | 1616 | FRAME_PTR *f; |
12ba150f | 1617 | Lisp_Object *bar_window; |
f451eb13 | 1618 | enum scrollbar_part *part; |
90e65f07 | 1619 | Lisp_Object *x, *y; |
e5d77022 | 1620 | unsigned long *time; |
90e65f07 | 1621 | { |
90e65f07 JB |
1622 | BLOCK_INPUT; |
1623 | ||
12ba150f JB |
1624 | if (! NILP (last_mouse_scrollbar)) |
1625 | x_scrollbar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1626 | else |
1627 | { | |
12ba150f JB |
1628 | Window root; |
1629 | int root_x, root_y; | |
90e65f07 | 1630 | |
12ba150f JB |
1631 | Window dummy_window; |
1632 | int dummy; | |
1633 | ||
1634 | mouse_moved = 0; | |
1635 | last_mouse_scrollbar = Qnil; | |
1636 | ||
1637 | /* Figure out which root window we're on. */ | |
1638 | XQueryPointer (x_current_display, | |
1639 | DefaultRootWindow (x_current_display), | |
1640 | ||
1641 | /* The root window which contains the pointer. */ | |
1642 | &root, | |
1643 | ||
1644 | /* Trash which we can't trust if the pointer is on | |
1645 | a different screen. */ | |
1646 | &dummy_window, | |
1647 | ||
1648 | /* The position on that root window. */ | |
1649 | &root_x, &root_y, | |
1650 | ||
1651 | /* More trash we can't trust. */ | |
1652 | &dummy, &dummy, | |
1653 | ||
1654 | /* Modifier keys and pointer buttons, about which | |
1655 | we don't care. */ | |
1656 | (unsigned int *) &dummy); | |
1657 | ||
1658 | /* Now we have a position on the root; find the innermost window | |
1659 | containing the pointer. */ | |
1660 | { | |
1661 | Window win, child; | |
1662 | int win_x, win_y; | |
1663 | int parent_x, parent_y; | |
1664 | ||
1665 | win = root; | |
1666 | for (;;) | |
1667 | { | |
1668 | XTranslateCoordinates (x_current_display, | |
1669 | ||
1670 | /* From-window, to-window. */ | |
1671 | root, win, | |
1672 | ||
1673 | /* From-position, to-position. */ | |
1674 | root_x, root_y, &win_x, &win_y, | |
1675 | ||
1676 | /* Child of win. */ | |
1677 | &child); | |
1678 | ||
1679 | if (child == None) | |
1680 | break; | |
1681 | ||
1682 | win = child; | |
1683 | parent_x = win_x; | |
1684 | parent_y = win_y; | |
1685 | } | |
1686 | ||
1687 | /* Now we know that: | |
1688 | win is the innermost window containing the pointer | |
1689 | (XTC says it has no child containing the pointer), | |
1690 | win_x and win_y are the pointer's position in it | |
1691 | (XTC did this the last time through), and | |
1692 | parent_x and parent_y are the pointer's position in win's parent. | |
1693 | (They are what win_x and win_y were when win was child. | |
1694 | If win is the root window, it has no parent, and | |
1695 | parent_{x,y} are invalid, but that's okay, because we'll | |
1696 | never use them in that case.) */ | |
1697 | ||
1698 | /* Is win one of our frames? */ | |
1699 | *f = x_window_to_frame (win); | |
1700 | ||
1701 | /* If not, is it one of our scrollbars? */ | |
1702 | if (! *f) | |
1703 | { | |
1704 | struct scrollbar *bar = x_window_to_scrollbar (win); | |
1705 | ||
1706 | if (bar) | |
1707 | { | |
1708 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1709 | win_x = parent_x; | |
1710 | win_y = parent_y; | |
1711 | } | |
1712 | } | |
90e65f07 | 1713 | |
12ba150f JB |
1714 | if (*f) |
1715 | { | |
1716 | pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y, | |
1717 | &last_mouse_glyph); | |
1718 | ||
1719 | *bar_window = Qnil; | |
1720 | *part = 0; | |
1721 | XSET (*x, Lisp_Int, win_x); | |
1722 | XSET (*y, Lisp_Int, win_y); | |
1723 | *time = last_mouse_movement_time; | |
1724 | } | |
1725 | } | |
1726 | } | |
90e65f07 JB |
1727 | |
1728 | UNBLOCK_INPUT; | |
1729 | } | |
1730 | ||
c118dd06 | 1731 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1732 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1733 | #endif /* ! defined (HAVE_X11) */ |
1734 | \f | |
f451eb13 JB |
1735 | /* Scrollbar support. */ |
1736 | ||
12ba150f | 1737 | /* Given an X window ID, find the struct scrollbar which manages it. */ |
f451eb13 JB |
1738 | static struct scrollbar * |
1739 | x_window_to_scrollbar (window_id) | |
1740 | Window window_id; | |
1741 | { | |
1742 | Lisp_Object tail, frame; | |
f451eb13 JB |
1743 | |
1744 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) | |
1745 | { | |
f451eb13 | 1746 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1747 | Lisp_Object bar, condemned; |
f451eb13 JB |
1748 | |
1749 | /* All elements of Vframe_list should be frames. */ | |
1750 | if (XTYPE (frame) != Lisp_Frame) | |
1751 | abort (); | |
1752 | ||
1753 | /* Scan this frame's scrollbar list for a scrollbar with the | |
1754 | right window ID. */ | |
cf7cb199 | 1755 | condemned = FRAME_CONDEMNED_SCROLLBARS (XFRAME (frame)); |
12ba150f | 1756 | for (bar = FRAME_SCROLLBARS (XFRAME (frame)); |
cf7cb199 JB |
1757 | /* This trick allows us to search both the ordinary and |
1758 | condemned scrollbar lists with one loop. */ | |
1759 | ! NILP (bar) || (bar = condemned, condemned = Qnil, ! NILP (bar)); | |
12ba150f JB |
1760 | bar = XSCROLLBAR(bar)->next) |
1761 | if (SCROLLBAR_X_WINDOW (XSCROLLBAR (bar)) == window_id) | |
1762 | return XSCROLLBAR (bar); | |
f451eb13 JB |
1763 | } |
1764 | ||
1765 | return 0; | |
1766 | } | |
1767 | ||
12ba150f JB |
1768 | /* Open a new X window to serve as a scrollbar, and return the |
1769 | scrollbar vector for it. */ | |
f451eb13 | 1770 | static struct scrollbar * |
12ba150f JB |
1771 | x_scrollbar_create (window, top, left, width, height) |
1772 | struct window *window; | |
f451eb13 JB |
1773 | int top, left, width, height; |
1774 | { | |
12ba150f | 1775 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
f451eb13 | 1776 | struct scrollbar *bar = |
12ba150f | 1777 | XSCROLLBAR (Fmake_vector (make_number (SCROLLBAR_VEC_SIZE), Qnil)); |
f451eb13 JB |
1778 | |
1779 | BLOCK_INPUT; | |
1780 | ||
1781 | { | |
1782 | XSetWindowAttributes a; | |
1783 | unsigned long mask; | |
1784 | ||
12ba150f JB |
1785 | a.background_pixel = frame->display.x->background_pixel; |
1786 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1787 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1788 | | ExposureMask); |
f451eb13 JB |
1789 | a.cursor = x_vertical_scrollbar_cursor; |
1790 | ||
dbc4e1c1 | 1791 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 1792 | |
12ba150f JB |
1793 | SET_SCROLLBAR_X_WINDOW |
1794 | (bar, | |
1795 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1796 | |
12ba150f JB |
1797 | /* Position and size of scrollbar. */ |
1798 | left, top, width, height, | |
f451eb13 | 1799 | |
12ba150f JB |
1800 | /* Border width, depth, class, and visual. */ |
1801 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1802 | |
12ba150f JB |
1803 | /* Attributes. */ |
1804 | mask, &a)); | |
f451eb13 JB |
1805 | } |
1806 | ||
12ba150f JB |
1807 | XSET (bar->window, Lisp_Window, window); |
1808 | XSET (bar->top, Lisp_Int, top); | |
1809 | XSET (bar->left, Lisp_Int, left); | |
1810 | XSET (bar->width, Lisp_Int, width); | |
1811 | XSET (bar->height, Lisp_Int, height); | |
1812 | XSET (bar->start, Lisp_Int, 0); | |
1813 | XSET (bar->end, Lisp_Int, 0); | |
1814 | bar->dragging = Qnil; | |
f451eb13 JB |
1815 | |
1816 | /* Add bar to its frame's list of scroll bars. */ | |
12ba150f JB |
1817 | bar->next = FRAME_SCROLLBARS (frame); |
1818 | bar->prev = Qnil; | |
1819 | XSET (FRAME_SCROLLBARS (frame), Lisp_Vector, bar); | |
1820 | if (! NILP (bar->next)) | |
1821 | XSET (XSCROLLBAR (bar->next)->prev, Lisp_Vector, bar); | |
f451eb13 | 1822 | |
12ba150f | 1823 | XMapWindow (x_current_display, SCROLLBAR_X_WINDOW (bar)); |
f451eb13 JB |
1824 | |
1825 | UNBLOCK_INPUT; | |
12ba150f JB |
1826 | |
1827 | return bar; | |
f451eb13 JB |
1828 | } |
1829 | ||
12ba150f JB |
1830 | /* Draw BAR's handle in the proper position. |
1831 | If the handle is already drawn from START to END, don't bother | |
1832 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1833 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1834 | events.) | |
1835 | ||
1836 | Normally, we want to constrain the start and end of the handle to | |
1837 | fit inside its rectangle, but if the user is dragging the scrollbar | |
1838 | handle, we want to let them drag it down all the way, so that the | |
1839 | bar's top is as far down as it goes; otherwise, there's no way to | |
1840 | move to the very end of the buffer. */ | |
f451eb13 | 1841 | static void |
12ba150f | 1842 | x_scrollbar_set_handle (bar, start, end, rebuild) |
f451eb13 JB |
1843 | struct scrollbar *bar; |
1844 | int start, end; | |
12ba150f | 1845 | int rebuild; |
f451eb13 | 1846 | { |
12ba150f JB |
1847 | int dragging = ! NILP (bar->dragging); |
1848 | Window w = SCROLLBAR_X_WINDOW (bar); | |
1849 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; | |
1850 | ||
1851 | /* If the display is already accurate, do nothing. */ | |
1852 | if (! rebuild | |
1853 | && start == XINT (bar->start) | |
1854 | && end == XINT (bar->end)) | |
1855 | return; | |
1856 | ||
f451eb13 JB |
1857 | BLOCK_INPUT; |
1858 | ||
1859 | { | |
12ba150f JB |
1860 | int inside_width = VERTICAL_SCROLLBAR_INSIDE_WIDTH (XINT (bar->width)); |
1861 | int inside_height = VERTICAL_SCROLLBAR_INSIDE_HEIGHT (XINT (bar->height)); | |
1862 | int top_range = VERTICAL_SCROLLBAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
1863 | |
1864 | /* Make sure the values are reasonable, and try to preserve | |
1865 | the distance between start and end. */ | |
12ba150f JB |
1866 | { |
1867 | int length = end - start; | |
1868 | ||
1869 | if (start < 0) | |
1870 | start = 0; | |
1871 | else if (start > top_range) | |
1872 | start = top_range; | |
1873 | end = start + length; | |
1874 | ||
1875 | if (end < start) | |
1876 | end = start; | |
1877 | else if (end > top_range && ! dragging) | |
1878 | end = top_range; | |
1879 | } | |
f451eb13 | 1880 | |
12ba150f JB |
1881 | /* Store the adjusted setting in the scrollbar. */ |
1882 | XSET (bar->start, Lisp_Int, start); | |
1883 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 1884 | |
12ba150f JB |
1885 | /* Clip the end position, just for display. */ |
1886 | if (end > top_range) | |
1887 | end = top_range; | |
f451eb13 | 1888 | |
12ba150f JB |
1889 | /* Draw bottom positions VERTICAL_SCROLLBAR_MIN_HANDLE pixels |
1890 | below top positions, to make sure the handle is always at least | |
1891 | that many pixels tall. */ | |
1892 | end += VERTICAL_SCROLLBAR_MIN_HANDLE; | |
f451eb13 | 1893 | |
12ba150f JB |
1894 | /* Draw the empty space above the handle. Note that we can't clear |
1895 | zero-height areas; that means "clear to end of window." */ | |
1896 | if (0 < start) | |
1897 | XClearArea (x_current_display, w, | |
f451eb13 | 1898 | |
12ba150f JB |
1899 | /* x, y, width, height, and exposures. */ |
1900 | VERTICAL_SCROLLBAR_LEFT_BORDER, | |
1901 | VERTICAL_SCROLLBAR_TOP_BORDER, | |
1902 | inside_width, start, | |
1903 | False); | |
f451eb13 | 1904 | |
12ba150f JB |
1905 | /* Draw the handle itself. */ |
1906 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 1907 | |
12ba150f JB |
1908 | /* x, y, width, height */ |
1909 | VERTICAL_SCROLLBAR_LEFT_BORDER, | |
1910 | VERTICAL_SCROLLBAR_TOP_BORDER + start, | |
1911 | inside_width, end - start); | |
f451eb13 | 1912 | |
f451eb13 | 1913 | |
12ba150f JB |
1914 | /* Draw the empty space below the handle. Note that we can't |
1915 | clear zero-height areas; that means "clear to end of window." */ | |
1916 | if (end < inside_height) | |
1917 | XClearArea (x_current_display, w, | |
f451eb13 | 1918 | |
12ba150f JB |
1919 | /* x, y, width, height, and exposures. */ |
1920 | VERTICAL_SCROLLBAR_LEFT_BORDER, | |
1921 | VERTICAL_SCROLLBAR_TOP_BORDER + end, | |
1922 | inside_width, inside_height - end, | |
1923 | False); | |
f451eb13 | 1924 | |
f451eb13 JB |
1925 | } |
1926 | ||
f451eb13 JB |
1927 | UNBLOCK_INPUT; |
1928 | } | |
1929 | ||
12ba150f JB |
1930 | /* Move a scrollbar around on the screen, to accomodate changing |
1931 | window configurations. */ | |
f451eb13 JB |
1932 | static void |
1933 | x_scrollbar_move (bar, top, left, width, height) | |
1934 | struct scrollbar *bar; | |
1935 | int top, left, width, height; | |
1936 | { | |
1937 | BLOCK_INPUT; | |
1938 | ||
1939 | { | |
1940 | XWindowChanges wc; | |
1941 | unsigned int mask = 0; | |
1942 | ||
1943 | wc.x = left; | |
1944 | wc.y = top; | |
1945 | wc.width = width; | |
1946 | wc.height = height; | |
1947 | ||
12ba150f JB |
1948 | if (left != XINT (bar->left)) mask |= CWX; |
1949 | if (top != XINT (bar->top)) mask |= CWY; | |
1950 | if (width != XINT (bar->width)) mask |= CWWidth; | |
1951 | if (height != XINT (bar->height)) mask |= CWHeight; | |
1952 | ||
1953 | if (mask) | |
1954 | XConfigureWindow (x_current_display, SCROLLBAR_X_WINDOW (bar), | |
1955 | mask, &wc); | |
f451eb13 JB |
1956 | } |
1957 | ||
12ba150f JB |
1958 | XSET (bar->left, Lisp_Int, left); |
1959 | XSET (bar->top, Lisp_Int, top); | |
1960 | XSET (bar->width, Lisp_Int, width); | |
1961 | XSET (bar->height, Lisp_Int, height); | |
1962 | ||
f451eb13 JB |
1963 | UNBLOCK_INPUT; |
1964 | } | |
1965 | ||
12ba150f JB |
1966 | /* Destroy the X window for BAR, and set its Emacs window's scrollbar |
1967 | to nil. */ | |
1968 | static void | |
1969 | x_scrollbar_remove (bar) | |
f451eb13 | 1970 | struct scrollbar *bar; |
12ba150f JB |
1971 | { |
1972 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1973 | ||
1974 | BLOCK_INPUT; | |
1975 | ||
1976 | /* Destroy the window. */ | |
1977 | XDestroyWindow (x_current_display, SCROLLBAR_X_WINDOW (bar)); | |
1978 | ||
1979 | /* Disassociate this scrollbar from its window. */ | |
1980 | XWINDOW (bar->window)->vertical_scrollbar = Qnil; | |
1981 | ||
1982 | UNBLOCK_INPUT; | |
1983 | } | |
1984 | ||
1985 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
1986 | that we are displaying PORTION characters out of a total of WHOLE | |
1987 | characters, starting at POSITION. If WINDOW has no scrollbar, | |
1988 | create one. */ | |
1989 | static void | |
1990 | XTset_vertical_scrollbar (window, portion, whole, position) | |
f451eb13 JB |
1991 | struct window *window; |
1992 | int portion, whole, position; | |
1993 | { | |
1994 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 JB |
1995 | int top = XINT (window->top); |
1996 | int left = WINDOW_VERTICAL_SCROLLBAR_COLUMN (window); | |
1997 | int height = WINDOW_VERTICAL_SCROLLBAR_HEIGHT (window); | |
1998 | ||
1999 | /* Where should this scrollbar be, pixelwise? */ | |
12ba150f JB |
2000 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2001 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
f451eb13 JB |
2002 | int pixel_width = VERTICAL_SCROLLBAR_PIXEL_WIDTH (f); |
2003 | int pixel_height = VERTICAL_SCROLLBAR_PIXEL_HEIGHT (f, height); | |
2004 | ||
12ba150f JB |
2005 | struct scrollbar *bar; |
2006 | ||
f451eb13 | 2007 | /* Does the scrollbar exist yet? */ |
12ba150f JB |
2008 | if (NILP (window->vertical_scrollbar)) |
2009 | bar = x_scrollbar_create (window, | |
f451eb13 JB |
2010 | pixel_top, pixel_left, |
2011 | pixel_width, pixel_height); | |
2012 | else | |
12ba150f JB |
2013 | { |
2014 | /* It may just need to be moved and resized. */ | |
2015 | bar = XSCROLLBAR (window->vertical_scrollbar); | |
2016 | x_scrollbar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
2017 | } | |
f451eb13 JB |
2018 | |
2019 | /* Set the scrollbar's current state, unless we're currently being | |
2020 | dragged. */ | |
12ba150f | 2021 | if (NILP (bar->dragging)) |
f451eb13 | 2022 | { |
12ba150f JB |
2023 | int top_range = |
2024 | VERTICAL_SCROLLBAR_TOP_RANGE (pixel_height); | |
f451eb13 | 2025 | |
12ba150f JB |
2026 | if (whole == 0) |
2027 | x_scrollbar_set_handle (bar, 0, top_range, 0); | |
2028 | else | |
2029 | { | |
2030 | int start = (position * top_range) / whole; | |
2031 | int end = ((position + portion) * top_range) / whole; | |
2032 | ||
2033 | x_scrollbar_set_handle (bar, start, end, 0); | |
2034 | } | |
f451eb13 JB |
2035 | } |
2036 | ||
12ba150f | 2037 | XSET (window->vertical_scrollbar, Lisp_Vector, bar); |
f451eb13 JB |
2038 | } |
2039 | ||
12ba150f | 2040 | |
f451eb13 JB |
2041 | /* The following three hooks are used when we're doing a thorough |
2042 | redisplay of the frame. We don't explicitly know which scrollbars | |
2043 | are going to be deleted, because keeping track of when windows go | |
12ba150f JB |
2044 | away is a real pain - "Can you say set-window-configuration, boys |
2045 | and girls?" Instead, we just assert at the beginning of redisplay | |
2046 | that *all* scrollbars are to be removed, and then save a scrollbar | |
2047 | from the fiery pit when we actually redisplay its window. */ | |
f451eb13 JB |
2048 | |
2049 | /* Arrange for all scrollbars on FRAME to be removed at the next call | |
2050 | to `*judge_scrollbars_hook'. A scrollbar may be spared if | |
12ba150f | 2051 | `*redeem_scrollbar_hook' is applied to its window before the judgement. */ |
f451eb13 JB |
2052 | static void |
2053 | XTcondemn_scrollbars (frame) | |
2054 | FRAME_PTR frame; | |
2055 | { | |
12ba150f JB |
2056 | /* The condemned list should be empty at this point; if it's not, |
2057 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2058 | protocol correctly. */ | |
2059 | if (! NILP (FRAME_CONDEMNED_SCROLLBARS (frame))) | |
2060 | abort (); | |
2061 | ||
2062 | /* Move them all to the "condemned" list. */ | |
2063 | FRAME_CONDEMNED_SCROLLBARS (frame) = FRAME_SCROLLBARS (frame); | |
2064 | FRAME_SCROLLBARS (frame) = Qnil; | |
f451eb13 JB |
2065 | } |
2066 | ||
12ba150f JB |
2067 | /* Unmark WINDOW's scrollbar for deletion in this judgement cycle. |
2068 | Note that WINDOW isn't necessarily condemned at all. */ | |
f451eb13 | 2069 | static void |
12ba150f JB |
2070 | XTredeem_scrollbar (window) |
2071 | struct window *window; | |
f451eb13 | 2072 | { |
12ba150f JB |
2073 | struct scrollbar *bar; |
2074 | ||
2075 | /* We can't redeem this window's scrollbar if it doesn't have one. */ | |
2076 | if (NILP (window->vertical_scrollbar)) | |
2077 | abort (); | |
2078 | ||
2079 | bar = XSCROLLBAR (window->vertical_scrollbar); | |
2080 | ||
2081 | /* Unlink it from the condemned list. */ | |
2082 | { | |
2083 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2084 | ||
2085 | if (NILP (bar->prev)) | |
2086 | { | |
2087 | /* If the prev pointer is nil, it must be the first in one of | |
2088 | the lists. */ | |
2089 | if (EQ (FRAME_SCROLLBARS (f), window->vertical_scrollbar)) | |
2090 | /* It's not condemned. Everything's fine. */ | |
2091 | return; | |
2092 | else if (EQ (FRAME_CONDEMNED_SCROLLBARS (f), | |
2093 | window->vertical_scrollbar)) | |
2094 | FRAME_CONDEMNED_SCROLLBARS (f) = bar->next; | |
2095 | else | |
2096 | /* If its prev pointer is nil, it must be at the front of | |
2097 | one or the other! */ | |
2098 | abort (); | |
2099 | } | |
2100 | else | |
2101 | XSCROLLBAR (bar->prev)->next = bar->next; | |
2102 | ||
2103 | if (! NILP (bar->next)) | |
2104 | XSCROLLBAR (bar->next)->prev = bar->prev; | |
2105 | ||
2106 | bar->next = FRAME_SCROLLBARS (f); | |
2107 | bar->prev = Qnil; | |
2108 | XSET (FRAME_SCROLLBARS (f), Lisp_Vector, bar); | |
2109 | if (! NILP (bar->next)) | |
2110 | XSET (XSCROLLBAR (bar->next)->prev, Lisp_Vector, bar); | |
2111 | } | |
f451eb13 JB |
2112 | } |
2113 | ||
2114 | /* Remove all scrollbars on FRAME that haven't been saved since the | |
2115 | last call to `*condemn_scrollbars_hook'. */ | |
2116 | static void | |
12ba150f JB |
2117 | XTjudge_scrollbars (f) |
2118 | FRAME_PTR f; | |
f451eb13 | 2119 | { |
12ba150f | 2120 | Lisp_Object bar, next; |
f451eb13 | 2121 | |
cf7cb199 JB |
2122 | bar = FRAME_CONDEMNED_SCROLLBARS (f); |
2123 | ||
2124 | /* Clear out the condemned list now so we won't try to process any | |
2125 | more events on the hapless scrollbars. */ | |
2126 | FRAME_CONDEMNED_SCROLLBARS (f) = Qnil; | |
2127 | ||
2128 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2129 | { |
12ba150f JB |
2130 | struct scrollbar *b = XSCROLLBAR (bar); |
2131 | ||
2132 | x_scrollbar_remove (b); | |
2133 | ||
2134 | next = b->next; | |
2135 | b->next = b->prev = Qnil; | |
f451eb13 | 2136 | } |
12ba150f | 2137 | |
12ba150f JB |
2138 | /* Now there should be no references to the condemned scrollbars, |
2139 | and they should get garbage-collected. */ | |
f451eb13 JB |
2140 | } |
2141 | ||
2142 | ||
2143 | /* Handle an Expose or GraphicsExpose event on a scrollbar. */ | |
2144 | static void | |
2145 | x_scrollbar_expose (bar, event) | |
2146 | struct scrollbar *bar; | |
2147 | XEvent *event; | |
2148 | { | |
12ba150f JB |
2149 | Window w = SCROLLBAR_X_WINDOW (bar); |
2150 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; | |
2151 | ||
f451eb13 JB |
2152 | BLOCK_INPUT; |
2153 | ||
12ba150f | 2154 | x_scrollbar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2155 | |
12ba150f JB |
2156 | /* Draw a one-pixel border just inside the edges of the scrollbar. */ |
2157 | XDrawRectangle (x_current_display, w, gc, | |
f451eb13 JB |
2158 | |
2159 | /* x, y, width, height */ | |
12ba150f | 2160 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2161 | |
12ba150f JB |
2162 | /* Draw another line to make the extra-thick border on the right. */ |
2163 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2164 | |
12ba150f JB |
2165 | /* x, y, width, height */ |
2166 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2167 | |
2168 | UNBLOCK_INPUT; | |
2169 | } | |
2170 | ||
2171 | /* Handle a mouse click on the scrollbar BAR. If *EMACS_EVENT's kind | |
2172 | is set to something other than no_event, it is enqueued. */ | |
2173 | static void | |
2174 | x_scrollbar_handle_click (bar, event, emacs_event) | |
2175 | struct scrollbar *bar; | |
2176 | XEvent *event; | |
2177 | struct input_event *emacs_event; | |
2178 | { | |
12ba150f JB |
2179 | if (XTYPE (bar->window) != Lisp_Window) |
2180 | abort (); | |
2181 | ||
f451eb13 | 2182 | emacs_event->kind = scrollbar_click; |
12ba150f | 2183 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 JB |
2184 | emacs_event->modifiers = |
2185 | (x_convert_modifiers (event->xbutton.state) | |
2186 | | (event->type == ButtonRelease | |
2187 | ? up_modifier | |
2188 | : down_modifier)); | |
12ba150f | 2189 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2190 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2191 | { |
2192 | int internal_height = | |
2193 | VERTICAL_SCROLLBAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2194 | int top_range = | |
2195 | VERTICAL_SCROLLBAR_TOP_RANGE (XINT (bar->height)); | |
2196 | int y = event->xbutton.y - VERTICAL_SCROLLBAR_TOP_BORDER; | |
2197 | ||
2198 | if (y < 0) y = 0; | |
2199 | if (y > top_range) y = top_range; | |
2200 | ||
2201 | if (y < XINT (bar->start)) | |
2202 | emacs_event->part = scrollbar_above_handle; | |
2203 | else if (y < XINT (bar->end) + VERTICAL_SCROLLBAR_MIN_HANDLE) | |
2204 | emacs_event->part = scrollbar_handle; | |
2205 | else | |
2206 | emacs_event->part = scrollbar_below_handle; | |
2207 | ||
2208 | /* If the user has just clicked on the handle, record where they're | |
2209 | holding it. */ | |
2210 | if (event->type == ButtonPress | |
2211 | && emacs_event->part == scrollbar_handle) | |
2212 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); | |
2213 | ||
2214 | /* If the user has released the handle, set it to its final position. */ | |
2215 | if (event->type == ButtonRelease | |
2216 | && ! NILP (bar->dragging)) | |
2217 | { | |
2218 | int new_start = y - XINT (bar->dragging); | |
2219 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2220 | |
12ba150f JB |
2221 | x_scrollbar_set_handle (bar, new_start, new_end, 0); |
2222 | bar->dragging = Qnil; | |
2223 | } | |
f451eb13 | 2224 | |
12ba150f JB |
2225 | /* Clicks on the handle are always reported as occuring at the top of |
2226 | the handle. */ | |
2227 | if (emacs_event->part == scrollbar_handle) | |
2228 | emacs_event->x = bar->start; | |
2229 | else | |
2230 | XSET (emacs_event->x, Lisp_Int, y); | |
f451eb13 | 2231 | |
12ba150f JB |
2232 | XSET (emacs_event->y, Lisp_Int, top_range); |
2233 | } | |
2234 | } | |
f451eb13 JB |
2235 | |
2236 | /* Handle some mouse motion while someone is dragging the scrollbar. */ | |
2237 | static void | |
12ba150f | 2238 | x_scrollbar_note_movement (bar, event) |
f451eb13 JB |
2239 | struct scrollbar *bar; |
2240 | XEvent *event; | |
2241 | { | |
2242 | last_mouse_movement_time = event->xmotion.time; | |
2243 | ||
2244 | mouse_moved = 1; | |
12ba150f | 2245 | XSET (last_mouse_scrollbar, Lisp_Vector, bar); |
f451eb13 JB |
2246 | |
2247 | /* If we're dragging the bar, display it. */ | |
12ba150f | 2248 | if (! NILP (bar->dragging)) |
f451eb13 JB |
2249 | { |
2250 | /* Where should the handle be now? */ | |
12ba150f | 2251 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2252 | |
12ba150f | 2253 | if (new_start != XINT (bar->start)) |
f451eb13 | 2254 | { |
12ba150f | 2255 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2256 | |
12ba150f | 2257 | x_scrollbar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2258 | } |
2259 | } | |
2260 | ||
2261 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2262 | moves and we can see *still* on the same position. */ | |
2263 | { | |
2264 | int dummy; | |
2265 | ||
2266 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2267 | (Window *) &dummy, (Window *) &dummy, | |
2268 | &dummy, &dummy, &dummy, &dummy, | |
2269 | (unsigned int *) &dummy); | |
2270 | } | |
2271 | } | |
2272 | ||
12ba150f JB |
2273 | /* Return information to the user about the current position of the mouse |
2274 | on the scrollbar. */ | |
2275 | static void | |
2276 | x_scrollbar_report_motion (f, bar_window, part, x, y, time) | |
2277 | FRAME_PTR *f; | |
2278 | Lisp_Object *bar_window; | |
2279 | enum scrollbar_part *part; | |
2280 | Lisp_Object *x, *y; | |
2281 | unsigned long *time; | |
2282 | { | |
2283 | struct scrollbar *bar = XSCROLLBAR (last_mouse_scrollbar); | |
2284 | int win_x, win_y; | |
2285 | ||
cf7cb199 JB |
2286 | BLOCK_INPUT; |
2287 | ||
12ba150f JB |
2288 | /* Get the mouse's position relative to the scrollbar window, and |
2289 | report that. */ | |
2290 | { | |
2291 | Window dummy_window; | |
2292 | int dummy_coord; | |
2293 | unsigned int dummy_mask; | |
2294 | ||
2295 | if (! XQueryPointer (x_current_display, | |
2296 | SCROLLBAR_X_WINDOW (bar), | |
2297 | ||
2298 | /* Root, child, root x and root y. */ | |
2299 | &dummy_window, &dummy_window, | |
2300 | &dummy_coord, &dummy_coord, | |
2301 | ||
2302 | /* Position relative to scrollbar. */ | |
2303 | &win_x, &win_y, | |
2304 | ||
2305 | /* Mouse buttons and modifier keys. */ | |
2306 | &dummy_mask)) | |
2307 | { | |
2308 | *f = 0; | |
cf7cb199 | 2309 | goto done; |
12ba150f JB |
2310 | } |
2311 | } | |
2312 | ||
2313 | { | |
2314 | int inside_height = VERTICAL_SCROLLBAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2315 | int top_range = VERTICAL_SCROLLBAR_TOP_RANGE (XINT (bar->height)); | |
2316 | ||
2317 | win_y -= VERTICAL_SCROLLBAR_TOP_BORDER; | |
2318 | ||
2319 | if (! NILP (bar->dragging)) | |
2320 | win_y -= XINT (bar->dragging); | |
2321 | ||
2322 | if (win_y < 0) | |
2323 | win_y = 0; | |
2324 | if (win_y > top_range) | |
2325 | win_y = top_range; | |
2326 | ||
2327 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2328 | *bar_window = bar->window; | |
2329 | ||
2330 | if (! NILP (bar->dragging)) | |
2331 | *part = scrollbar_handle; | |
2332 | else if (win_y < XINT (bar->start)) | |
2333 | *part = scrollbar_above_handle; | |
2334 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLLBAR_MIN_HANDLE) | |
2335 | *part = scrollbar_handle; | |
2336 | else | |
2337 | *part = scrollbar_below_handle; | |
2338 | ||
2339 | XSET (*x, Lisp_Int, win_y); | |
2340 | XSET (*y, Lisp_Int, top_range); | |
2341 | *time = last_mouse_movement_time; | |
2342 | } | |
2343 | ||
2344 | mouse_moved = 0; | |
2345 | last_mouse_scrollbar = Qnil; | |
cf7cb199 JB |
2346 | |
2347 | done: | |
2348 | UNBLOCK_INPUT; | |
12ba150f JB |
2349 | } |
2350 | ||
f451eb13 | 2351 | |
dbc4e1c1 JB |
2352 | /* The screen has been cleared so we may have changed foreground or |
2353 | background colors, and the scrollbars may need to be redrawn. | |
2354 | Clear out the scrollbars, and ask for expose events, so we can | |
2355 | redraw them. */ | |
2356 | ||
2357 | x_scrollbar_clear (f) | |
2358 | FRAME_PTR f; | |
2359 | { | |
2360 | Lisp_Object bar; | |
2361 | ||
2362 | for (bar = FRAME_SCROLLBARS (f); | |
2363 | XTYPE (bar) == Lisp_Vector; | |
2364 | bar = XSCROLLBAR (bar)->next) | |
2365 | XClearArea (x_current_display, SCROLLBAR_X_WINDOW (XSCROLLBAR (bar)), | |
2366 | 0, 0, 0, 0, True); | |
2367 | } | |
2368 | ||
2369 | ||
f451eb13 JB |
2370 | \f |
2371 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2372 | |
dc6f92b8 JB |
2373 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2374 | but we have to put it out here, since static variables within functions | |
2375 | sometimes don't work. */ | |
2376 | static Time enter_timestamp; | |
2377 | ||
11edeb03 JB |
2378 | /* This holds the state XLookupString needs to implement dead keys |
2379 | and other tricks known as "compose processing". _X Window System_ | |
2380 | says that a portable program can't use this, but Stephen Gildea assures | |
2381 | me that letting the compiler initialize it to zeros will work okay. | |
2382 | ||
2383 | This must be defined outside of XTread_socket, for the same reasons | |
2384 | given for enter_timestamp, above. */ | |
2385 | static XComposeStatus compose_status; | |
2386 | ||
c047688c JA |
2387 | /* Communication with window managers. */ |
2388 | Atom Xatom_wm_protocols; | |
2389 | ||
2390 | /* Kinds of protocol things we may receive. */ | |
2391 | Atom Xatom_wm_take_focus; | |
2392 | Atom Xatom_wm_save_yourself; | |
2393 | Atom Xatom_wm_delete_window; | |
2394 | ||
2395 | /* Other WM communication */ | |
2396 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2397 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2398 | ||
dc6f92b8 JB |
2399 | /* Read events coming from the X server. |
2400 | This routine is called by the SIGIO handler. | |
2401 | We return as soon as there are no more events to be read. | |
2402 | ||
2403 | Events representing keys are stored in buffer BUFP, | |
2404 | which can hold up to NUMCHARS characters. | |
2405 | We return the number of characters stored into the buffer, | |
2406 | thus pretending to be `read'. | |
2407 | ||
2408 | WAITP is nonzero if we should block until input arrives. | |
2409 | EXPECTED is nonzero if the caller knows input is available. */ | |
2410 | ||
7c5283e4 | 2411 | int |
dc6f92b8 JB |
2412 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2413 | register int sd; | |
2414 | register struct input_event *bufp; | |
2415 | register int numchars; | |
2416 | int waitp; | |
2417 | int expected; | |
2418 | { | |
2419 | int count = 0; | |
2420 | int nbytes = 0; | |
2421 | int mask; | |
2422 | int items_pending; /* How many items are in the X queue. */ | |
2423 | XEvent event; | |
f676886a | 2424 | struct frame *f; |
dc6f92b8 JB |
2425 | int event_found; |
2426 | int prefix; | |
2427 | Lisp_Object part; | |
2428 | ||
2429 | if (x_input_blocked) | |
2430 | { | |
2431 | x_pending_input = 1; | |
2432 | return -1; | |
2433 | } | |
2434 | ||
2435 | x_pending_input = 0; | |
2436 | BLOCK_INPUT; | |
2437 | ||
2438 | if (numchars <= 0) | |
2439 | abort (); /* Don't think this happens. */ | |
2440 | ||
2441 | #ifdef FIOSNBIO | |
2442 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2443 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2444 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2445 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2446 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2447 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2448 | |
2449 | #ifndef SIGIO | |
2450 | #ifndef HAVE_SELECT | |
2451 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2452 | { | |
2453 | extern int read_alarm_should_throw; | |
2454 | read_alarm_should_throw = 1; | |
2455 | XPeekEvent (XDISPLAY &event); | |
2456 | read_alarm_should_throw = 0; | |
2457 | } | |
c118dd06 JB |
2458 | #endif /* HAVE_SELECT */ |
2459 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2460 | |
2461 | while (XStuffPending () != 0) | |
2462 | { | |
2463 | XNextEvent (XDISPLAY &event); | |
2464 | event_found = 1; | |
2465 | ||
2466 | switch (event.type) | |
2467 | { | |
2468 | #ifdef HAVE_X11 | |
c047688c JA |
2469 | case ClientMessage: |
2470 | { | |
2471 | if (event.xclient.message_type == Xatom_wm_protocols | |
2472 | && event.xclient.format == 32) | |
2473 | { | |
2474 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2475 | { | |
f676886a JB |
2476 | f = x_window_to_frame (event.xclient.window); |
2477 | if (f) | |
2478 | x_focus_on_frame (f); | |
c047688c JA |
2479 | /* Not certain about handling scrollbars here */ |
2480 | } | |
2481 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2482 | { | |
2483 | /* Save state modify the WM_COMMAND property to | |
2484 | something which can reinstate us. This notifies | |
2485 | the session manager, who's looking for such a | |
2486 | PropertyNotify. Can restart processing when | |
2487 | a keyboard or mouse event arrives. */ | |
2488 | if (numchars > 0) | |
2489 | { | |
2490 | } | |
2491 | } | |
2492 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2493 | { | |
f676886a | 2494 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2495 | |
f676886a | 2496 | if (f) |
c047688c JA |
2497 | if (numchars > 0) |
2498 | { | |
2499 | } | |
2500 | } | |
2501 | } | |
2502 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2503 | { | |
2504 | } | |
2505 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2506 | { | |
2507 | int new_x, new_y; | |
2508 | ||
4357eba7 JB |
2509 | new_x = event.xclient.data.s[0]; |
2510 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2511 | } |
2512 | } | |
2513 | break; | |
dc6f92b8 JB |
2514 | |
2515 | case SelectionClear: /* Someone has grabbed ownership. */ | |
2516 | x_disown_selection (event.xselectionclear.window, | |
2517 | event.xselectionclear.selection, | |
2518 | event.xselectionclear.time); | |
2519 | break; | |
2520 | ||
2521 | case SelectionRequest: /* Someone wants our selection. */ | |
2522 | x_answer_selection_request (event); | |
2523 | break; | |
2524 | ||
2525 | case PropertyNotify: | |
28430d3c JB |
2526 | |
2527 | /* If we're being told about a root window property, then it's | |
2528 | a cut buffer change. */ | |
2529 | if (event.xproperty.window == ROOT_WINDOW) | |
2530 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2531 | ||
2532 | /* Otherwise, we're probably handling an incremental | |
2533 | selection transmission. */ | |
2534 | else | |
2535 | { | |
2536 | /* If we were to do this synchronously, there'd be no worry | |
2537 | about re-selecting. */ | |
2538 | x_send_incremental (event); | |
2539 | } | |
dc6f92b8 JB |
2540 | break; |
2541 | ||
2542 | case Expose: | |
f676886a JB |
2543 | f = x_window_to_frame (event.xexpose.window); |
2544 | if (f) | |
dc6f92b8 | 2545 | { |
3a88c238 | 2546 | if (f->async_visible == 0) |
dc6f92b8 | 2547 | { |
3a88c238 JB |
2548 | f->async_visible = 1; |
2549 | f->async_iconified = 0; | |
f676886a | 2550 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2551 | } |
2552 | else | |
f451eb13 JB |
2553 | { |
2554 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2555 | event.xexpose.x, event.xexpose.y, | |
2556 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2557 | } |
2558 | } | |
2559 | else | |
2560 | { | |
2561 | struct scrollbar *bar | |
2562 | = x_window_to_scrollbar (event.xexpose.window); | |
2563 | ||
2564 | if (bar) | |
2565 | x_scrollbar_expose (bar, &event); | |
dc6f92b8 JB |
2566 | } |
2567 | break; | |
2568 | ||
2569 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2570 | source area was obscured or not | |
2571 | available.*/ | |
f451eb13 JB |
2572 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2573 | if (f) | |
2574 | { | |
2575 | dumprectangle (f, | |
2576 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2577 | event.xgraphicsexpose.width, | |
2578 | event.xgraphicsexpose.height); | |
f451eb13 | 2579 | } |
dc6f92b8 JB |
2580 | break; |
2581 | ||
2582 | case NoExpose: /* This occurs when an XCopyArea's | |
2583 | source area was completely | |
2584 | available */ | |
2585 | break; | |
c118dd06 | 2586 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2587 | case ExposeWindow: |
2588 | if (event.subwindow != 0) | |
2589 | break; /* duplicate event */ | |
f676886a JB |
2590 | f = x_window_to_frame (event.window); |
2591 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2592 | { |
f676886a | 2593 | refreshicon (f); |
3a88c238 | 2594 | f->async_iconified = 1; |
dc6f92b8 | 2595 | } |
c118dd06 | 2596 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2597 | { |
2598 | /* Say must check all windows' needs_exposure flags. */ | |
2599 | expose_all_windows = 1; | |
f676886a | 2600 | f->display.x->needs_exposure = 1; |
3a88c238 | 2601 | f->async_visible = 1; |
dc6f92b8 JB |
2602 | } |
2603 | break; | |
2604 | ||
2605 | case ExposeRegion: | |
2606 | if (event.subwindow != 0) | |
2607 | break; /* duplicate event */ | |
f676886a JB |
2608 | f = x_window_to_frame (event.window); |
2609 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2610 | { |
f676886a | 2611 | refreshicon (f); |
dc6f92b8 JB |
2612 | break; |
2613 | } | |
2614 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2615 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2616 | break; |
2617 | /* Put the event on the queue of rectangles to redraw. */ | |
2618 | if (enqueue_event (&event, &x_expose_queue)) | |
2619 | /* If it is full, we can't record the rectangle, | |
2620 | so redraw this entire window. */ | |
2621 | { | |
2622 | /* Say must check all windows' needs_exposure flags. */ | |
2623 | expose_all_windows = 1; | |
f676886a | 2624 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2625 | } |
2626 | break; | |
2627 | ||
2628 | case ExposeCopy: | |
2629 | /* This should happen only when we are expecting it, | |
2630 | in x_read_exposes. */ | |
2631 | abort (); | |
c118dd06 | 2632 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2633 | |
2634 | #ifdef HAVE_X11 | |
2635 | case UnmapNotify: | |
f451eb13 JB |
2636 | f = x_window_to_frame (event.xunmap.window); |
2637 | if (f) /* F may no longer exist if | |
f676886a | 2638 | the frame was deleted. */ |
f451eb13 JB |
2639 | { |
2640 | /* While a frame is unmapped, display generation is | |
2641 | disabled; you don't want to spend time updating a | |
2642 | display that won't ever be seen. */ | |
2643 | f->async_visible = 0; | |
2644 | } | |
dc6f92b8 JB |
2645 | break; |
2646 | ||
2647 | case MapNotify: | |
f676886a JB |
2648 | f = x_window_to_frame (event.xmap.window); |
2649 | if (f) | |
dc6f92b8 | 2650 | { |
3a88c238 JB |
2651 | f->async_visible = 1; |
2652 | f->async_iconified = 0; | |
dc6f92b8 JB |
2653 | |
2654 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2655 | the frame's display structures. */ |
2656 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2657 | } |
2658 | break; | |
2659 | ||
2660 | /* Turn off processing if we become fully obscured. */ | |
2661 | case VisibilityNotify: | |
2662 | break; | |
2663 | ||
c118dd06 | 2664 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2665 | case UnmapWindow: |
f676886a JB |
2666 | f = x_window_to_frame (event.window); |
2667 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2668 | f->async_iconified = 0; |
c118dd06 | 2669 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2670 | f->async_visible = 0; |
dc6f92b8 | 2671 | break; |
c118dd06 | 2672 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2673 | |
2674 | #ifdef HAVE_X11 | |
2675 | case KeyPress: | |
f676886a | 2676 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2677 | |
f676886a | 2678 | if (f != 0) |
dc6f92b8 JB |
2679 | { |
2680 | KeySym keysym; | |
dc6f92b8 | 2681 | char copy_buffer[80]; |
3a2712f9 JB |
2682 | int modifiers = event.xkey.state; |
2683 | ||
2684 | /* Some keyboards generate different characters | |
2685 | depending on the state of the meta key, in an attempt | |
2686 | to support non-English typists. It would be nice to | |
2687 | keep this functionality somehow, but for now, we will | |
2688 | just clear the meta-key flag to get the 'pure' character. */ | |
2689 | event.xkey.state &= ~Mod1Mask; | |
dc6f92b8 | 2690 | |
11edeb03 JB |
2691 | /* This will have to go some day... */ |
2692 | nbytes = | |
2693 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2694 | &compose_status); | |
dc6f92b8 | 2695 | |
55123275 JB |
2696 | /* Strip off the vendor-specific keysym bit, and take a shot |
2697 | at recognizing the codes. HP servers have extra keysyms | |
2698 | that fit into the MiscFunctionKey category. */ | |
2699 | keysym &= ~(1<<28); | |
2700 | ||
dc6f92b8 JB |
2701 | if (numchars > 1) |
2702 | { | |
55123275 JB |
2703 | if (IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ |
2704 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < 0xff80 */ | |
2705 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ | |
2706 | || IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */ | |
dc6f92b8 JB |
2707 | { |
2708 | bufp->kind = non_ascii_keystroke; | |
90e65f07 | 2709 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff50); |
12ba150f | 2710 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
3a2712f9 | 2711 | bufp->modifiers = x_convert_modifiers (modifiers); |
1113d9db | 2712 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2713 | bufp++; |
2714 | count++; | |
2715 | numchars--; | |
2716 | } | |
2717 | else if (numchars > nbytes) | |
2718 | { | |
2719 | register int i; | |
2720 | ||
2721 | if (nbytes == 1) | |
2722 | { | |
f689eb05 | 2723 | if (modifiers & x_meta_mod_mask) |
dc6f92b8 JB |
2724 | *copy_buffer |= METABIT; |
2725 | bufp->kind = ascii_keystroke; | |
2726 | XSET (bufp->code, Lisp_Int, *copy_buffer); | |
12ba150f | 2727 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
1113d9db | 2728 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2729 | bufp++; |
2730 | } | |
2731 | else | |
2732 | for (i = nbytes - 1; i > 1; i--) | |
2733 | { | |
2734 | bufp->kind = ascii_keystroke; | |
2735 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); | |
12ba150f | 2736 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
1113d9db | 2737 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2738 | bufp++; |
2739 | } | |
2740 | ||
2741 | count += nbytes; | |
2742 | numchars -= nbytes; | |
2743 | } | |
2744 | } | |
2745 | } | |
2746 | break; | |
c118dd06 | 2747 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2748 | case KeyPressed: |
2749 | { | |
2750 | register char *where_mapping; | |
2751 | ||
f676886a | 2752 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2753 | /* Ignore keys typed on icon windows. */ |
f676886a | 2754 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2755 | break; |
2756 | where_mapping = XLookupMapping (&event, &nbytes); | |
2757 | /* Nasty fix for arrow keys */ | |
2758 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2759 | { | |
2760 | switch (event.detail & 0xff) | |
2761 | { | |
2762 | case KC_CURSOR_LEFT: | |
2763 | where_mapping = "\002"; | |
2764 | break; | |
2765 | case KC_CURSOR_RIGHT: | |
2766 | where_mapping = "\006"; | |
2767 | break; | |
2768 | case KC_CURSOR_UP: | |
2769 | where_mapping = "\020"; | |
2770 | break; | |
2771 | case KC_CURSOR_DOWN: | |
2772 | where_mapping = "\016"; | |
2773 | break; | |
2774 | } | |
2775 | nbytes = 1; | |
2776 | } | |
2777 | if (numchars - nbytes > 0) | |
2778 | { | |
2779 | register int i; | |
2780 | ||
2781 | for (i = 0; i < nbytes; i++) | |
2782 | { | |
2783 | bufp->kind = ascii_keystroke; | |
2784 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2785 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 2786 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
2787 | bufp++; |
2788 | } | |
2789 | count += nbytes; | |
2790 | numchars -= nbytes; | |
2791 | } | |
2792 | } | |
2793 | break; | |
c118dd06 | 2794 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2795 | |
2796 | #ifdef HAVE_X11 | |
f451eb13 JB |
2797 | |
2798 | /* Here's a possible interpretation of the whole | |
2799 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
2800 | FocusIn event, you have to get a FocusOut event before you | |
2801 | relinquish the focus. If you haven't received a FocusIn event, | |
2802 | then a mere LeaveNotify is enough to free you. */ | |
2803 | ||
dc6f92b8 | 2804 | case EnterNotify: |
f676886a | 2805 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 2806 | |
f451eb13 | 2807 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 2808 | { |
dc6f92b8 | 2809 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
2810 | if (f && (!(f->auto_raise) |
2811 | || !(f->auto_lower) | |
dc6f92b8 JB |
2812 | || (event.xcrossing.time - enter_timestamp) > 500)) |
2813 | { | |
f676886a | 2814 | x_new_focus_frame (f); |
dc6f92b8 JB |
2815 | enter_timestamp = event.xcrossing.time; |
2816 | } | |
dc6f92b8 | 2817 | } |
f676886a JB |
2818 | else if (f == x_focus_frame) |
2819 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2820 | |
2821 | break; | |
2822 | ||
2823 | case FocusIn: | |
f676886a | 2824 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2825 | if (event.xfocus.detail != NotifyPointer) |
2826 | x_focus_event_frame = f; | |
f676886a JB |
2827 | if (f) |
2828 | x_new_focus_frame (f); | |
dc6f92b8 JB |
2829 | break; |
2830 | ||
f451eb13 | 2831 | |
dc6f92b8 | 2832 | case LeaveNotify: |
f451eb13 | 2833 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 2834 | |
f451eb13 JB |
2835 | if (event.xcrossing.focus) |
2836 | { | |
2837 | if (! x_focus_event_frame) | |
2838 | x_new_focus_frame (0); | |
2839 | else | |
f676886a | 2840 | x_new_focus_frame (f); |
f451eb13 JB |
2841 | } |
2842 | else | |
2843 | { | |
2844 | if (f == x_focus_event_frame) | |
2845 | x_focus_event_frame = 0; | |
2846 | if (f == x_focus_frame) | |
f676886a | 2847 | x_new_focus_frame (0); |
dc6f92b8 JB |
2848 | } |
2849 | break; | |
2850 | ||
2851 | case FocusOut: | |
f676886a | 2852 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2853 | if (event.xfocus.detail != NotifyPointer |
2854 | && f == x_focus_event_frame) | |
2855 | x_focus_event_frame = 0; | |
f676886a JB |
2856 | if (f && f == x_focus_frame) |
2857 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2858 | break; |
2859 | ||
c118dd06 | 2860 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2861 | |
2862 | case EnterWindow: | |
2863 | if ((event.detail & 0xFF) == 1) | |
2864 | break; /* Coming from our own subwindow */ | |
2865 | if (event.subwindow != 0) | |
2866 | break; /* Entering our own subwindow. */ | |
2867 | ||
2868 | { | |
f676886a JB |
2869 | f = x_window_to_frame (event.window); |
2870 | x_mouse_frame = f; | |
dc6f92b8 | 2871 | |
f676886a | 2872 | x_new_focus_frame (f); |
dc6f92b8 JB |
2873 | } |
2874 | break; | |
2875 | ||
2876 | case LeaveWindow: | |
2877 | if ((event.detail & 0xFF) == 1) | |
2878 | break; /* Entering our own subwindow */ | |
2879 | if (event.subwindow != 0) | |
2880 | break; /* Leaving our own subwindow. */ | |
2881 | ||
f676886a JB |
2882 | x_mouse_frame = 0; |
2883 | if (x_focus_frame == 0 | |
2884 | && x_input_frame != 0 | |
2885 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 2886 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 2887 | { |
f676886a JB |
2888 | f = x_input_frame; |
2889 | x_input_frame = 0; | |
2890 | if (f) | |
2891 | frame_unhighlight (f); | |
dc6f92b8 JB |
2892 | } |
2893 | break; | |
c118dd06 | 2894 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2895 | |
2896 | #ifdef HAVE_X11 | |
2897 | case MotionNotify: | |
2898 | { | |
f676886a JB |
2899 | f = x_window_to_frame (event.xmotion.window); |
2900 | if (f) | |
12ba150f | 2901 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 2902 | else |
dc6f92b8 | 2903 | { |
f451eb13 JB |
2904 | struct scrollbar *bar = |
2905 | x_window_to_scrollbar (event.xmotion.window); | |
2906 | ||
2907 | if (bar) | |
12ba150f | 2908 | x_scrollbar_note_movement (bar, &event); |
dc6f92b8 | 2909 | } |
dc6f92b8 JB |
2910 | } |
2911 | break; | |
2912 | ||
2913 | case ConfigureNotify: | |
dbc4e1c1 JB |
2914 | f = x_window_to_frame (event.xconfigure.window); |
2915 | if (f) | |
2916 | { | |
2917 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
2918 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
2919 | ||
2920 | /* Even if the number of character rows and columns has | |
2921 | not changed, the font size may have changed, so we need | |
2922 | to check the pixel dimensions as well. */ | |
2923 | if (columns != f->width | |
2924 | || rows != f->height | |
2925 | || event.xconfigure.width != f->display.x->pixel_width | |
2926 | || event.xconfigure.height != f->display.x->pixel_height) | |
2927 | { | |
2928 | change_frame_size (f, rows, columns, 0, 1); | |
2929 | SET_FRAME_GARBAGED (f); | |
2930 | } | |
dc6f92b8 | 2931 | |
dbc4e1c1 JB |
2932 | f->display.x->pixel_width = event.xconfigure.width; |
2933 | f->display.x->pixel_height = event.xconfigure.height; | |
2934 | f->display.x->left_pos = event.xconfigure.x; | |
2935 | f->display.x->top_pos = event.xconfigure.y; | |
2936 | } | |
2937 | break; | |
dc6f92b8 JB |
2938 | |
2939 | case ButtonPress: | |
2940 | case ButtonRelease: | |
2941 | { | |
2942 | /* If we decide we want to generate an event to be seen | |
2943 | by the rest of Emacs, we put it here. */ | |
2944 | struct input_event emacs_event; | |
2945 | emacs_event.kind = no_event; | |
2946 | ||
f676886a JB |
2947 | f = x_window_to_frame (event.xbutton.window); |
2948 | if (f) | |
f451eb13 JB |
2949 | { |
2950 | if (!x_focus_frame || (f == x_focus_frame)) | |
2951 | construct_mouse_click (&emacs_event, | |
2952 | &event, f, Qnil, 0); | |
2953 | } | |
dc6f92b8 | 2954 | else |
f451eb13 JB |
2955 | { |
2956 | struct scrollbar *bar = | |
2957 | x_window_to_scrollbar (event.xbutton.window); | |
2958 | ||
2959 | if (bar) | |
2960 | x_scrollbar_handle_click (bar, &event, &emacs_event); | |
2961 | } | |
dc6f92b8 JB |
2962 | |
2963 | if (numchars >= 1 && emacs_event.kind != no_event) | |
2964 | { | |
2965 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
2966 | bufp++; | |
2967 | count++; | |
2968 | numchars--; | |
2969 | } | |
2970 | } | |
2971 | break; | |
2972 | ||
c118dd06 | 2973 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2974 | case ButtonPressed: |
2975 | case ButtonReleased: | |
f676886a JB |
2976 | f = x_window_to_frame (event.window); |
2977 | if (f) | |
dc6f92b8 | 2978 | { |
f676886a | 2979 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 2980 | { |
f676886a | 2981 | x_make_frame_visible (f); |
dc6f92b8 JB |
2982 | |
2983 | if (warp_mouse_on_deiconify) | |
c118dd06 | 2984 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
2985 | break; |
2986 | } | |
c118dd06 | 2987 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 2988 | { |
f676886a JB |
2989 | if (f->auto_raise) |
2990 | x_raise_frame (f); | |
dc6f92b8 JB |
2991 | } |
2992 | } | |
2993 | enqueue_event (&event, &x_mouse_queue); | |
2994 | if (numchars >= 2) | |
2995 | { | |
2996 | bufp->kind = ascii_keystroke; | |
2997 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 2998 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 2999 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3000 | bufp++; |
3001 | ||
3002 | bufp->kind = ascii_keystroke; | |
3003 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 3004 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3005 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3006 | bufp++; |
3007 | ||
3008 | count += 2; | |
3009 | numchars -= 2; | |
3010 | } | |
3011 | break; | |
c118dd06 | 3012 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3013 | |
3014 | #ifdef HAVE_X11 | |
3015 | ||
3016 | case CirculateNotify: | |
3017 | break; | |
3018 | case CirculateRequest: | |
3019 | break; | |
3020 | ||
c118dd06 | 3021 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3022 | |
3023 | case MappingNotify: | |
11edeb03 JB |
3024 | /* Someone has changed the keyboard mapping - update the |
3025 | local cache. */ | |
3026 | switch (event.xmapping.request) | |
3027 | { | |
3028 | case MappingModifier: | |
3029 | x_find_modifier_meanings (); | |
3030 | /* This is meant to fall through. */ | |
3031 | case MappingKeyboard: | |
3032 | XRefreshKeyboardMapping (&event.xmapping); | |
3033 | } | |
dc6f92b8 JB |
3034 | break; |
3035 | ||
3036 | default: | |
3037 | break; | |
3038 | } | |
3039 | } | |
3040 | ||
3041 | #if 0 | |
3042 | #ifdef HAVE_SELECT | |
3043 | if (expected && ! event_found) | |
3044 | { | |
3045 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3046 | there is an EOF condition; in other words, that X has died. | |
3047 | Act as if there had been a hangup. */ | |
3048 | ||
3049 | int fd = ConnectionNumber (x_current_display); | |
3050 | int mask = 1 << fd; | |
3051 | ||
3052 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 3053 | (EMACS_TIME) 0) |
dc6f92b8 JB |
3054 | && !XStuffPending ()) |
3055 | kill (getpid (), SIGHUP); | |
3056 | } | |
c118dd06 JB |
3057 | #endif /* ! defined (HAVE_SELECT) */ |
3058 | #endif /* ! 0 */ | |
dc6f92b8 | 3059 | |
f451eb13 | 3060 | #ifndef HAVE_X11 |
f676886a | 3061 | if (updating_frame == 0) |
dc6f92b8 | 3062 | x_do_pending_expose (); |
f451eb13 | 3063 | #endif |
dc6f92b8 JB |
3064 | |
3065 | UNBLOCK_INPUT; | |
3066 | return count; | |
3067 | } | |
3068 | ||
3069 | #ifndef HAVE_X11 | |
3070 | /* Read and process only Expose events | |
3071 | until we get an ExposeCopy event; then return. | |
3072 | This is used in insert/delete line. | |
3073 | We assume input is already blocked. */ | |
3074 | ||
3075 | static void | |
3076 | x_read_exposes () | |
3077 | { | |
f676886a | 3078 | struct frame *f; |
dc6f92b8 JB |
3079 | XKeyPressedEvent event; |
3080 | ||
3081 | while (1) | |
3082 | { | |
3083 | /* while there are more events*/ | |
3084 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3085 | switch (event.type) | |
3086 | { | |
3087 | case ExposeWindow: | |
3088 | if (event.subwindow != 0) | |
3089 | break; /* duplicate event */ | |
f676886a JB |
3090 | f = x_window_to_frame (event.window); |
3091 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3092 | { |
f676886a | 3093 | refreshicon (f); |
dc6f92b8 JB |
3094 | break; |
3095 | } | |
c118dd06 | 3096 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3097 | { |
3098 | expose_all_windows = 1; | |
f676886a | 3099 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3100 | break; |
3101 | } | |
3102 | break; | |
3103 | ||
3104 | case ExposeRegion: | |
3105 | if (event.subwindow != 0) | |
3106 | break; /* duplicate event */ | |
f676886a JB |
3107 | f = x_window_to_frame (event.window); |
3108 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3109 | { |
f676886a | 3110 | refreshicon (f); |
dc6f92b8 JB |
3111 | break; |
3112 | } | |
3113 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3114 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3115 | break; |
3116 | /* Put the event on the queue of rectangles to redraw. */ | |
3117 | if (enqueue_event (&event, &x_expose_queue)) | |
3118 | /* If it is full, we can't record the rectangle, | |
3119 | so redraw this entire window. */ | |
3120 | { | |
3121 | /* Say must check all windows' needs_exposure flags. */ | |
3122 | expose_all_windows = 1; | |
f676886a | 3123 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3124 | } |
3125 | break; | |
3126 | ||
3127 | case ExposeCopy: | |
3128 | return; | |
3129 | } | |
3130 | } | |
3131 | } | |
3132 | #endif /* HAVE_X11 */ | |
3133 | ||
dc6f92b8 | 3134 | \f |
f451eb13 JB |
3135 | /* Drawing the cursor. */ |
3136 | ||
3137 | ||
dc6f92b8 JB |
3138 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3139 | ||
3140 | static void | |
f676886a JB |
3141 | x_draw_box (f) |
3142 | struct frame *f; | |
dc6f92b8 | 3143 | { |
12ba150f JB |
3144 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3145 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3146 | int width = FONT_WIDTH (f->display.x->font); |
3147 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3148 | |
3149 | #ifdef HAVE_X11 | |
c118dd06 | 3150 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3151 | f->display.x->cursor_gc, |
dc6f92b8 | 3152 | left, top, width - 1, height - 1); |
c118dd06 JB |
3153 | #else /* ! defined (HAVE_X11) */ |
3154 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3155 | left, top, width, 1, |
f676886a | 3156 | f->display.x->cursor_pixel); |
dc6f92b8 | 3157 | |
c118dd06 | 3158 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3159 | left, top, 1, height, |
f676886a | 3160 | f->display.x->cursor_pixel); |
dc6f92b8 | 3161 | |
c118dd06 | 3162 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3163 | left+width-1, top, 1, height, |
f676886a | 3164 | f->display.x->cursor_pixel); |
dc6f92b8 | 3165 | |
c118dd06 | 3166 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3167 | left, top+height-1, width, 1, |
f676886a | 3168 | f->display.x->cursor_pixel); |
c118dd06 | 3169 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3170 | } |
3171 | ||
f676886a | 3172 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3173 | and mark the cursor as not shown. |
3174 | This is used when the text where the cursor is | |
3175 | is about to be rewritten. */ | |
3176 | ||
3177 | static void | |
f676886a JB |
3178 | clear_cursor (f) |
3179 | struct frame *f; | |
dc6f92b8 JB |
3180 | { |
3181 | int mask; | |
3182 | ||
f451eb13 | 3183 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3184 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3185 | return; |
3186 | ||
3187 | #ifdef HAVE_X11 | |
f676886a | 3188 | x_display_cursor (f, 0); |
c118dd06 JB |
3189 | #else /* ! defined (HAVE_X11) */ |
3190 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3191 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3192 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3193 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3194 | f->display.x->background_pixel); | |
c118dd06 | 3195 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3196 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3197 | } |
3198 | ||
f676886a | 3199 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3200 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3201 | glyph drawn. */ | |
dc6f92b8 JB |
3202 | |
3203 | static void | |
f676886a JB |
3204 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3205 | struct frame *f; | |
dc6f92b8 | 3206 | int row, column; |
90e65f07 | 3207 | GLYPH glyph; |
dc6f92b8 JB |
3208 | int highlight; |
3209 | { | |
f676886a | 3210 | dumpglyphs (f, |
12ba150f JB |
3211 | CHAR_TO_PIXEL_COL (f, column), |
3212 | CHAR_TO_PIXEL_ROW (f, row), | |
f676886a | 3213 | &glyph, 1, highlight, f->display.x->font); |
dc6f92b8 JB |
3214 | } |
3215 | ||
dc6f92b8 | 3216 | static void |
dbc4e1c1 | 3217 | x_display_bar_cursor (f, on) |
f676886a | 3218 | struct frame *f; |
dc6f92b8 JB |
3219 | int on; |
3220 | { | |
f676886a | 3221 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3222 | |
dbc4e1c1 JB |
3223 | if (! FRAME_VISIBLE_P (f)) |
3224 | return; | |
3225 | ||
3226 | if (! on && f->phys_cursor_x < 0) | |
3227 | return; | |
3228 | ||
f676886a | 3229 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3230 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3231 | if (f != updating_frame) |
1113d9db | 3232 | { |
f676886a JB |
3233 | curs_x = FRAME_CURSOR_X (f); |
3234 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3235 | } |
3236 | ||
dbc4e1c1 JB |
3237 | /* If there is anything wrong with the current cursor state, remove it. */ |
3238 | if (f->phys_cursor_x >= 0 | |
3239 | && (!on | |
3240 | || f->phys_cursor_x != curs_x | |
3241 | || f->phys_cursor_y != curs_y | |
3242 | || f->display.x->current_cursor != bar_cursor)) | |
3243 | { | |
3244 | /* Erase the cursor by redrawing the character underneath it. */ | |
3245 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3246 | f->phys_cursor_glyph, | |
3247 | current_glyphs->highlight[f->phys_cursor_y]); | |
3248 | f->phys_cursor_x = -1; | |
3249 | } | |
3250 | ||
3251 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3252 | if (on | |
3253 | && (f->phys_cursor_x < 0 | |
3254 | || (f->display.x->current_cursor != bar_cursor))) | |
3255 | { | |
3256 | f->phys_cursor_glyph | |
3257 | = ((current_glyphs->enable[curs_y] | |
3258 | && curs_x < current_glyphs->used[curs_y]) | |
3259 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3260 | : SPACEGLYPH); | |
3261 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3262 | f->display.x->cursor_gc, | |
3263 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3264 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3265 | 1, FONT_HEIGHT (f->display.x->font)); | |
3266 | ||
3267 | f->phys_cursor_x = curs_x; | |
3268 | f->phys_cursor_y = curs_y; | |
3269 | ||
3270 | f->display.x->current_cursor = bar_cursor; | |
3271 | } | |
3272 | ||
3273 | if (updating_frame != f) | |
3274 | XFlushQueue (); | |
3275 | } | |
3276 | ||
3277 | ||
3278 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3279 | If ON is nonzero, where to put the cursor is specified | |
3280 | by F->cursor_x and F->cursor_y. */ | |
3281 | ||
3282 | static void | |
3283 | x_display_box_cursor (f, on) | |
3284 | struct frame *f; | |
3285 | int on; | |
3286 | { | |
3287 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3288 | ||
f451eb13 | 3289 | if (! FRAME_VISIBLE_P (f)) |
dc6f92b8 JB |
3290 | return; |
3291 | ||
3292 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3293 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3294 | return; |
3295 | ||
dbc4e1c1 JB |
3296 | /* If we're not updating, then we want to use the current frame's |
3297 | cursor position, not our local idea of where the cursor ought to be. */ | |
3298 | if (f != updating_frame) | |
3299 | { | |
3300 | curs_x = FRAME_CURSOR_X (f); | |
3301 | curs_y = FRAME_CURSOR_Y (f); | |
3302 | } | |
3303 | ||
dc6f92b8 JB |
3304 | /* If cursor is currently being shown and we don't want it to be |
3305 | or it is in the wrong place, | |
3306 | or we want a hollow box and it's not so, (pout!) | |
3307 | erase it. */ | |
f676886a | 3308 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3309 | && (!on |
f676886a JB |
3310 | || f->phys_cursor_x != curs_x |
3311 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3312 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3313 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3314 | { |
3315 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3316 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3317 | f->phys_cursor_glyph, | |
3318 | current_glyphs->highlight[f->phys_cursor_y]); | |
3319 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3320 | } |
3321 | ||
3322 | /* If we want to show a cursor, | |
3323 | or we want a box cursor and it's not so, | |
3324 | write it in the right place. */ | |
3325 | if (on | |
f676886a | 3326 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3327 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3328 | && f == x_highlight_frame))) |
dc6f92b8 | 3329 | { |
f676886a | 3330 | f->phys_cursor_glyph |
1113d9db JB |
3331 | = ((current_glyphs->enable[curs_y] |
3332 | && curs_x < current_glyphs->used[curs_y]) | |
3333 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3334 | : SPACEGLYPH); |
f676886a | 3335 | if (f != x_highlight_frame) |
dc6f92b8 | 3336 | { |
f676886a | 3337 | x_draw_box (f); |
dbc4e1c1 | 3338 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3339 | } |
3340 | else | |
3341 | { | |
f676886a JB |
3342 | x_draw_single_glyph (f, curs_y, curs_x, |
3343 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3344 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3345 | } |
3346 | ||
f676886a JB |
3347 | f->phys_cursor_x = curs_x; |
3348 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3349 | } |
3350 | ||
f676886a | 3351 | if (updating_frame != f) |
dc6f92b8 JB |
3352 | XFlushQueue (); |
3353 | } | |
3354 | ||
f676886a JB |
3355 | x_display_cursor (f, on) |
3356 | struct frame *f; | |
dc6f92b8 JB |
3357 | int on; |
3358 | { | |
dbc4e1c1 | 3359 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3360 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3361 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3362 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3363 | else |
3364 | /* Those are the only two we have implemented! */ | |
3365 | abort (); | |
dc6f92b8 JB |
3366 | } |
3367 | \f | |
3368 | /* Icons. */ | |
3369 | ||
f676886a | 3370 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3371 | when we get an expose event for it. */ |
3372 | ||
f676886a JB |
3373 | refreshicon (f) |
3374 | struct frame *f; | |
dc6f92b8 JB |
3375 | { |
3376 | #ifdef HAVE_X11 | |
3377 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3378 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3379 | int mask; |
3380 | ||
f676886a JB |
3381 | if (f->display.x->icon_bitmap_flag) |
3382 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3383 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3384 | icon_bitmap, GXcopy, AllPlanes); | |
3385 | else | |
3386 | { | |
f676886a | 3387 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3388 | struct Lisp_String *str; |
3389 | unsigned char *string; | |
3390 | ||
3391 | string | |
f676886a | 3392 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3393 | |
f676886a | 3394 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3395 | { |
f676886a JB |
3396 | f->display.x->icon_label = string; |
3397 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3398 | XQueryWidth (string, icon_font_info->id) + 10, |
3399 | icon_font_info->height + 10); | |
3400 | } | |
3401 | ||
f676886a | 3402 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3403 | str->size, icon_font_info->id, |
3404 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3405 | } | |
3406 | XFlushQueue (); | |
c118dd06 | 3407 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3408 | } |
3409 | ||
dbc4e1c1 | 3410 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
3411 | |
3412 | int | |
f676886a JB |
3413 | x_bitmap_icon (f) |
3414 | struct frame *f; | |
dc6f92b8 JB |
3415 | { |
3416 | int mask; | |
3417 | Window icon_window; | |
3418 | ||
c118dd06 | 3419 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3420 | return 1; |
3421 | ||
3422 | #ifdef HAVE_X11 | |
3423 | if (icon_bitmap) | |
3424 | XFreePixmap (x_current_display, icon_bitmap); | |
3425 | ||
3426 | icon_bitmap = | |
c118dd06 | 3427 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3428 | gnu_bits, gnu_width, gnu_height); |
f676886a JB |
3429 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3430 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3431 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3432 | if (f->display.x->icon_desc) |
dc6f92b8 | 3433 | { |
c118dd06 | 3434 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3435 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3436 | } |
3437 | ||
f676886a | 3438 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3439 | 0, 0, sink_width, sink_height, |
3440 | 2, WhitePixmap, (Pixmap) NULL); | |
3441 | ||
3442 | if (icon_window == 0) | |
3443 | return 1; | |
3444 | ||
c118dd06 | 3445 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3446 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3447 | ||
f676886a JB |
3448 | f->display.x->icon_desc = icon_window; |
3449 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3450 | |
3451 | if (icon_bitmap == 0) | |
3452 | icon_bitmap | |
3453 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3454 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3455 | |
3456 | return 0; | |
3457 | } | |
3458 | ||
3459 | ||
f676886a | 3460 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3461 | |
3462 | int | |
f676886a JB |
3463 | x_text_icon (f, icon_name) |
3464 | struct frame *f; | |
dc6f92b8 JB |
3465 | char *icon_name; |
3466 | { | |
3467 | #ifndef HAVE_X11 | |
3468 | int mask; | |
3469 | int width; | |
3470 | Window icon_window; | |
3471 | char *X_DefaultValue; | |
3472 | Bitmap b1; | |
3473 | ||
dc6f92b8 JB |
3474 | #ifndef WhitePixel |
3475 | #define WhitePixel 1 | |
c118dd06 | 3476 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3477 | |
3478 | #ifndef BlackPixel | |
3479 | #define BlackPixel 0 | |
c118dd06 JB |
3480 | #endif /* BlackPixel */ |
3481 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3482 | |
c118dd06 | 3483 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3484 | return 1; |
3485 | ||
dc6f92b8 JB |
3486 | #ifdef HAVE_X11 |
3487 | if (icon_name) | |
f676886a | 3488 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3489 | else |
f676886a JB |
3490 | if (! f->display.x->icon_label) |
3491 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3492 | |
c118dd06 | 3493 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3494 | (char *) f->display.x->icon_label); |
dc6f92b8 | 3495 | |
f676886a | 3496 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3497 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3498 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
3499 | if (icon_font_info == 0) |
3500 | icon_font_info | |
3501 | = XGetFont (XGetDefault (XDISPLAY | |
3502 | (char *) XSTRING (invocation_name)->data, | |
3503 | "BodyFont")); | |
3504 | ||
f676886a | 3505 | if (f->display.x->icon_desc) |
dc6f92b8 | 3506 | { |
c118dd06 | 3507 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3508 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3509 | } |
3510 | ||
3511 | if (icon_name) | |
f676886a | 3512 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3513 | else |
f676886a JB |
3514 | if (! f->display.x->icon_label) |
3515 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3516 | |
f676886a JB |
3517 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3518 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3519 | f->display.x->left_pos, | |
3520 | f->display.x->top_pos, | |
dc6f92b8 JB |
3521 | width + 10, icon_font_info->height + 10, |
3522 | 2, BlackPixmap, WhitePixmap); | |
3523 | ||
3524 | if (icon_window == 0) | |
3525 | return 1; | |
3526 | ||
c118dd06 | 3527 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3528 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3529 | ||
f676886a JB |
3530 | f->display.x->icon_desc = icon_window; |
3531 | f->display.x->icon_bitmap_flag = 0; | |
3532 | f->display.x->icon_label = 0; | |
c118dd06 | 3533 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3534 | |
3535 | return 0; | |
3536 | } | |
3537 | \f | |
4746118a JB |
3538 | /* Handling X errors. */ |
3539 | ||
12ba150f JB |
3540 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3541 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3542 | |
4746118a | 3543 | static SIGTYPE |
c118dd06 | 3544 | x_connection_closed () |
4746118a JB |
3545 | { |
3546 | if (_Xdebug) | |
3547 | abort (); | |
12ba150f JB |
3548 | |
3549 | shut_down_emacs (0); | |
3550 | ||
3551 | exit (70); | |
4746118a JB |
3552 | } |
3553 | ||
c118dd06 JB |
3554 | /* An X error handler which prints an error message and then kills Emacs. |
3555 | This is what's normally installed as Xlib's handler for protocol and | |
3556 | I/O errors. */ | |
3557 | static int | |
3558 | x_error_quitter (display, error) | |
3559 | Display *display; | |
3560 | XErrorEvent *error; | |
3561 | { | |
3562 | char buf[256]; | |
dc6f92b8 | 3563 | |
c118dd06 JB |
3564 | /* Note that there is no real way portable across R3/R4 to get the |
3565 | original error handler. */ | |
dc6f92b8 | 3566 | |
c118dd06 JB |
3567 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3568 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3569 | buf, error->request_code); | |
dc6f92b8 | 3570 | |
12ba150f JB |
3571 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3572 | get an X error, so we can figure out why it happened. */ | |
3573 | abort (); | |
3574 | ||
c118dd06 | 3575 | x_connection_closed (); |
dc6f92b8 JB |
3576 | } |
3577 | ||
c118dd06 JB |
3578 | /* A buffer for storing X error messages. */ |
3579 | static char (*x_caught_error_message)[200]; | |
3580 | ||
3581 | /* An X error handler which stores the error message in | |
3582 | x_caught_error_message. This is what's installed when | |
3583 | x_catch_errors is in effect. */ | |
3584 | static int | |
3585 | x_error_catcher (display, error) | |
3586 | Display *display; | |
3587 | XErrorEvent *error; | |
3588 | { | |
3589 | XGetErrorText (display, error->error_code, | |
3590 | *x_caught_error_message, sizeof (*x_caught_error_message)); | |
3591 | } | |
3592 | ||
3593 | ||
3594 | /* Begin trapping X errors. | |
dc6f92b8 | 3595 | |
c118dd06 JB |
3596 | After calling this function, X protocol errors no longer cause |
3597 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3598 | |
c118dd06 JB |
3599 | Calling x_check_errors signals an Emacs error if an X error has |
3600 | occurred since the last call to x_catch_errors or x_check_errors. | |
3601 | ||
3602 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3603 | ||
3604 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3605 | ||
3606 | void | |
3607 | x_catch_errors () | |
dc6f92b8 | 3608 | { |
c118dd06 JB |
3609 | /* Make sure any errors from previous requests have been dealt with. */ |
3610 | XSync (x_current_display, False); | |
dc6f92b8 | 3611 | |
c118dd06 JB |
3612 | /* Set up the error buffer. */ |
3613 | x_caught_error_message = | |
3614 | (char (*)[]) xmalloc (sizeof (*x_caught_error_message)); | |
d872b748 | 3615 | (*x_caught_error_message)[0] = '\0'; |
16bd92ea | 3616 | |
c118dd06 JB |
3617 | /* Install our little error handler. */ |
3618 | XHandleError (x_error_catcher); | |
3619 | } | |
16bd92ea | 3620 | |
c118dd06 JB |
3621 | /* If any X protocol errors have arrived since the last call to |
3622 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3623 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3624 | void | |
3625 | x_check_errors (format) | |
3626 | char *format; | |
3627 | { | |
3628 | /* Make sure to catch any errors incurred so far. */ | |
3629 | XSync (x_current_display, False); | |
16bd92ea | 3630 | |
c118dd06 JB |
3631 | if ((*x_caught_error_message)[0]) |
3632 | { | |
3633 | char buf[256]; | |
3634 | ||
3635 | sprintf (buf, format, *x_caught_error_message); | |
3636 | free (x_caught_error_message); | |
dc6f92b8 | 3637 | |
c118dd06 JB |
3638 | x_uncatch_errors (); |
3639 | error (buf); | |
3640 | } | |
3641 | } | |
3642 | ||
3643 | void | |
3644 | x_uncatch_errors () | |
3645 | { | |
3646 | free (x_caught_error_message); | |
3647 | XHandleError (x_error_quitter); | |
dc6f92b8 JB |
3648 | } |
3649 | ||
dc6f92b8 JB |
3650 | #if 0 |
3651 | static unsigned int x_wire_count; | |
3652 | x_trace_wire () | |
3653 | { | |
3654 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3655 | } | |
c118dd06 | 3656 | #endif /* ! 0 */ |
dc6f92b8 JB |
3657 | |
3658 | \f | |
f451eb13 JB |
3659 | /* Changing the font of the frame. */ |
3660 | ||
f676886a | 3661 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3662 | to the font named NEWNAME. This is safe to use |
f676886a | 3663 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3664 | |
3665 | #ifdef HAVE_X11 | |
3666 | ||
3667 | /* A table of all the fonts we have already loaded. */ | |
3668 | static XFontStruct **x_font_table; | |
3669 | ||
3670 | /* The current capacity of x_font_table. */ | |
3671 | static int x_font_table_size; | |
3672 | ||
3673 | /* The number of fonts actually stored in x_font_table. | |
3674 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3675 | 0 <= n_fonts <= x_font_table_size. */ | |
3676 | static int n_fonts; | |
3677 | ||
f676886a JB |
3678 | x_new_font (f, fontname) |
3679 | struct frame *f; | |
dc6f92b8 JB |
3680 | register char *fontname; |
3681 | { | |
3682 | XFontStruct *temp; | |
3683 | int already_loaded; | |
3684 | int n_matching_fonts; | |
3685 | XFontStruct *font_info; | |
3686 | char **font_names; | |
3687 | ||
3688 | /* Get a list of all the fonts that match this name. Once we | |
3689 | have a list of matching fonts, we compare them against the fonts | |
3690 | we already have by comparing font ids. */ | |
3691 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3692 | 1024, &n_matching_fonts, | |
3693 | &font_info); | |
3694 | /* If the server couldn't find any fonts whose named matched fontname, | |
3695 | return an error code. */ | |
3696 | if (n_matching_fonts == 0) | |
3697 | return 1; | |
3698 | ||
90e65f07 | 3699 | /* See if we've already loaded a matching font. */ |
dc6f92b8 JB |
3700 | { |
3701 | int i, j; | |
3702 | ||
3703 | already_loaded = 0; | |
3704 | for (i = 0; i < n_fonts; i++) | |
3705 | for (j = 0; j < n_matching_fonts; j++) | |
3706 | if (x_font_table[i]->fid == font_info[j].fid) | |
3707 | { | |
3708 | already_loaded = i; | |
3709 | goto found_font; | |
3710 | } | |
3711 | } | |
3712 | found_font: | |
3713 | ||
3714 | /* If we have, just return it from the table. */ | |
3715 | if (already_loaded) | |
f676886a | 3716 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3717 | |
dc6f92b8 JB |
3718 | /* Otherwise, load the font and add it to the table. */ |
3719 | else | |
3720 | { | |
3721 | XFontStruct *font; | |
3722 | ||
3723 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); | |
3724 | if (! font) | |
3725 | return 1; | |
3726 | ||
3727 | /* Do we need to create the table? */ | |
3728 | if (x_font_table_size == 0) | |
3729 | { | |
3730 | x_font_table_size = 16; | |
3731 | x_font_table | |
3732 | = (XFontStruct **) xmalloc (x_font_table_size | |
3733 | * sizeof (x_font_table[0])); | |
3734 | } | |
3735 | /* Do we need to grow the table? */ | |
3736 | else if (n_fonts >= x_font_table_size) | |
3737 | { | |
90e65f07 | 3738 | x_font_table_size *= 2; |
dc6f92b8 JB |
3739 | x_font_table |
3740 | = (XFontStruct **) xrealloc (x_font_table, | |
3741 | (x_font_table_size | |
3742 | * sizeof (x_font_table[0]))); | |
3743 | } | |
3744 | ||
f676886a | 3745 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
3746 | } |
3747 | ||
3748 | /* Free the information from XListFontsWithInfo. The data | |
3749 | we actually retain comes from XLoadQueryFont. */ | |
3750 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
3751 | ||
f676886a | 3752 | /* Now make the frame display the given font. */ |
c118dd06 | 3753 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 3754 | { |
f676886a JB |
3755 | XSetFont (x_current_display, f->display.x->normal_gc, |
3756 | f->display.x->font->fid); | |
3757 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
3758 | f->display.x->font->fid); | |
3759 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
3760 | f->display.x->font->fid); | |
3761 | ||
3762 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
3763 | } |
3764 | ||
3765 | return 0; | |
3766 | } | |
c118dd06 | 3767 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
3768 | x_new_font (f, newname) |
3769 | struct frame *f; | |
dc6f92b8 JB |
3770 | register char *newname; |
3771 | { | |
3772 | FONT_TYPE *temp; | |
3773 | int mask; | |
3774 | ||
3775 | temp = XGetFont (newname); | |
3776 | if (temp == (FONT_TYPE *) 0) | |
3777 | return 1; | |
3778 | ||
f676886a JB |
3779 | if (f->display.x->font) |
3780 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 3781 | |
f676886a | 3782 | f->display.x->font = temp; |
dc6f92b8 | 3783 | |
c118dd06 | 3784 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 3785 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
3786 | |
3787 | return 0; | |
3788 | } | |
c118dd06 | 3789 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3790 | \f |
f451eb13 JB |
3791 | /* X Window sizes and positions. */ |
3792 | ||
f676886a JB |
3793 | x_calc_absolute_position (f) |
3794 | struct frame *f; | |
dc6f92b8 JB |
3795 | { |
3796 | #ifdef HAVE_X11 | |
f676886a JB |
3797 | if (f->display.x->left_pos < 0) |
3798 | f->display.x->left_pos | |
7c5283e4 | 3799 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 3800 | |
f676886a JB |
3801 | if (f->display.x->top_pos < 0) |
3802 | f->display.x->top_pos | |
7c5283e4 | 3803 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 3804 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3805 | WINDOWINFO_TYPE parentinfo; |
3806 | ||
c118dd06 | 3807 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 3808 | |
f676886a JB |
3809 | if (f->display.x->left_pos < 0) |
3810 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
3811 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 3812 | |
f676886a JB |
3813 | if (f->display.x->top_pos < 0) |
3814 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
3815 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 3816 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3817 | } |
3818 | ||
f676886a JB |
3819 | x_set_offset (f, xoff, yoff) |
3820 | struct frame *f; | |
dc6f92b8 JB |
3821 | register int xoff, yoff; |
3822 | { | |
f676886a JB |
3823 | f->display.x->top_pos = yoff; |
3824 | f->display.x->left_pos = xoff; | |
3825 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
3826 | |
3827 | BLOCK_INPUT; | |
c118dd06 | 3828 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 3829 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 3830 | #ifdef HAVE_X11 |
f676886a | 3831 | x_wm_set_size_hint (f, 0); |
c118dd06 | 3832 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3833 | UNBLOCK_INPUT; |
3834 | } | |
3835 | ||
f676886a | 3836 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 3837 | |
f676886a JB |
3838 | x_set_window_size (f, cols, rows) |
3839 | struct frame *f; | |
b1c884c3 | 3840 | int cols, rows; |
dc6f92b8 JB |
3841 | { |
3842 | int pixelwidth, pixelheight; | |
3843 | int mask; | |
dc6f92b8 JB |
3844 | |
3845 | BLOCK_INPUT; | |
3846 | ||
b1c884c3 | 3847 | check_frame_size (f, &rows, &cols); |
f451eb13 JB |
3848 | f->display.x->vertical_scrollbar_extra = |
3849 | (FRAME_HAS_VERTICAL_SCROLLBARS (f) | |
3850 | ? VERTICAL_SCROLLBAR_PIXEL_WIDTH (f) | |
3851 | : 0); | |
3852 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
3853 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
3854 | |
3855 | #ifdef HAVE_X11 | |
f676886a | 3856 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
3857 | #endif /* ! defined (HAVE_X11) */ |
3858 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
3859 | |
3860 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
3861 | but the window manager will get around to dealing with the size | |
3862 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
3863 | ConfigureNotify event gets here. |
3864 | ||
3865 | We could just not bother storing any of this information here, | |
3866 | and let the ConfigureNotify event set everything up, but that | |
3867 | might be kind of confusing to the lisp code, since size changes | |
3868 | wouldn't be reported in the frame parameters until some random | |
3869 | point in the future when the ConfigureNotify event arrives. */ | |
b1c884c3 | 3870 | FRAME_WIDTH (f) = cols; |
12ba150f | 3871 | FRAME_HEIGHT (f) = rows; |
b1c884c3 JB |
3872 | PIXEL_WIDTH (f) = pixelwidth; |
3873 | PIXEL_HEIGHT (f) = pixelheight; | |
3874 | ||
dbc4e1c1 JB |
3875 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
3876 | receive in the ConfigureNotify event; if we get what we asked | |
3877 | for, then the event won't cause the screen to become garbaged, so | |
3878 | we have to make sure to do it here. */ | |
3879 | SET_FRAME_GARBAGED (f); | |
3880 | ||
dc6f92b8 JB |
3881 | XFlushQueue (); |
3882 | UNBLOCK_INPUT; | |
3883 | } | |
3884 | ||
3885 | #ifndef HAVE_X11 | |
f676886a JB |
3886 | x_set_resize_hint (f) |
3887 | struct frame *f; | |
dc6f92b8 | 3888 | { |
12ba150f JB |
3889 | XSetResizeHint (FRAME_X_WINDOW (f), |
3890 | 2 * f->display.x->internal_border_width, | |
f676886a | 3891 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
3892 | FONT_WIDTH (f->display.x->font), |
3893 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 3894 | } |
c118dd06 | 3895 | #endif /* HAVE_X11 */ |
dc6f92b8 | 3896 | \f |
f451eb13 | 3897 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 3898 | |
f676886a JB |
3899 | x_set_mouse_position (f, x, y) |
3900 | struct frame *f; | |
dc6f92b8 JB |
3901 | int x, y; |
3902 | { | |
3903 | int pix_x, pix_y; | |
3904 | ||
f676886a | 3905 | x_raise_frame (f); |
dc6f92b8 | 3906 | |
12ba150f JB |
3907 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
3908 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
3909 | |
3910 | if (pix_x < 0) pix_x = 0; | |
3911 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
3912 | ||
3913 | if (pix_y < 0) pix_y = 0; | |
3914 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
3915 | |
3916 | BLOCK_INPUT; | |
dc6f92b8 | 3917 | |
c118dd06 | 3918 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
3919 | UNBLOCK_INPUT; |
3920 | } | |
3921 | ||
3922 | #ifdef HAVE_X11 | |
f676886a JB |
3923 | x_focus_on_frame (f) |
3924 | struct frame *f; | |
dc6f92b8 | 3925 | { |
f676886a | 3926 | x_raise_frame (f); |
6d4238f3 JB |
3927 | #if 0 |
3928 | /* I don't think that the ICCCM allows programs to do things like this | |
3929 | without the interaction of the window manager. Whatever you end up | |
f676886a | 3930 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 3931 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3932 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 3933 | #endif /* ! 0 */ |
dc6f92b8 JB |
3934 | } |
3935 | ||
f676886a JB |
3936 | x_unfocus_frame (f) |
3937 | struct frame *f; | |
dc6f92b8 | 3938 | { |
6d4238f3 | 3939 | #if 0 |
f676886a JB |
3940 | /* Look at the remarks in x_focus_on_frame. */ |
3941 | if (x_focus_frame == f) | |
dc6f92b8 JB |
3942 | XSetInputFocus (x_current_display, PointerRoot, |
3943 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 3944 | #endif /* ! 0 */ |
dc6f92b8 JB |
3945 | } |
3946 | ||
c118dd06 | 3947 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3948 | |
f676886a | 3949 | /* Raise frame F. */ |
dc6f92b8 | 3950 | |
f676886a JB |
3951 | x_raise_frame (f) |
3952 | struct frame *f; | |
dc6f92b8 | 3953 | { |
3a88c238 | 3954 | if (f->async_visible) |
dc6f92b8 JB |
3955 | { |
3956 | BLOCK_INPUT; | |
c118dd06 | 3957 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
3958 | XFlushQueue (); |
3959 | UNBLOCK_INPUT; | |
3960 | } | |
3961 | } | |
3962 | ||
f676886a | 3963 | /* Lower frame F. */ |
dc6f92b8 | 3964 | |
f676886a JB |
3965 | x_lower_frame (f) |
3966 | struct frame *f; | |
dc6f92b8 | 3967 | { |
3a88c238 | 3968 | if (f->async_visible) |
dc6f92b8 JB |
3969 | { |
3970 | BLOCK_INPUT; | |
c118dd06 | 3971 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
3972 | XFlushQueue (); |
3973 | UNBLOCK_INPUT; | |
3974 | } | |
3975 | } | |
3976 | ||
dbc4e1c1 JB |
3977 | static void |
3978 | XTframe_raise_lower (f, raise) | |
3979 | FRAME_PTR f; | |
3980 | int raise; | |
3981 | { | |
3982 | if (raise) | |
3983 | x_raise_frame (f); | |
3984 | else | |
3985 | x_lower_frame (f); | |
3986 | } | |
3987 | ||
3988 | ||
dc6f92b8 JB |
3989 | /* Change from withdrawn state to mapped state. */ |
3990 | ||
f676886a JB |
3991 | x_make_frame_visible (f) |
3992 | struct frame *f; | |
dc6f92b8 JB |
3993 | { |
3994 | int mask; | |
3995 | ||
dc6f92b8 | 3996 | BLOCK_INPUT; |
dc6f92b8 | 3997 | |
f676886a | 3998 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
3999 | { |
4000 | #ifdef HAVE_X11 | |
4001 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4002 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 4003 | |
c118dd06 | 4004 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f451eb13 | 4005 | if (FRAME_HAS_VERTICAL_SCROLLBARS (f)) |
c118dd06 JB |
4006 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4007 | #else /* ! defined (HAVE_X11) */ | |
4008 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4009 | if (f->display.x->icon_desc != 0) |
4010 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4011 | |
90e65f07 | 4012 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4013 | f->async_visible = 1; |
4014 | f->async_iconified = 0; | |
dc6f92b8 | 4015 | |
f676886a | 4016 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4017 | XTcursor_to (0, 0); |
c118dd06 | 4018 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4019 | } |
dc6f92b8 | 4020 | |
dc6f92b8 | 4021 | XFlushQueue (); |
90e65f07 | 4022 | |
dc6f92b8 JB |
4023 | UNBLOCK_INPUT; |
4024 | } | |
4025 | ||
4026 | /* Change from mapped state to withdrawn state. */ | |
4027 | ||
f676886a JB |
4028 | x_make_frame_invisible (f) |
4029 | struct frame *f; | |
dc6f92b8 JB |
4030 | { |
4031 | int mask; | |
4032 | ||
3a88c238 | 4033 | if (! f->async_visible) |
dc6f92b8 JB |
4034 | return; |
4035 | ||
4036 | BLOCK_INPUT; | |
c118dd06 JB |
4037 | |
4038 | #ifdef HAVE_X11R4 | |
4039 | ||
4040 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
4041 | DefaultScreen (x_current_display))) | |
4042 | { | |
4043 | UNBLOCK_INPUT_RESIGNAL; | |
4044 | error ("can't notify window manager of window withdrawl"); | |
4045 | } | |
4046 | ||
4047 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4048 | #ifdef HAVE_X11 |
16bd92ea | 4049 | |
c118dd06 | 4050 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4051 | if (! EQ (Vx_no_window_manager, Qt)) |
4052 | { | |
16bd92ea | 4053 | XEvent unmap; |
dc6f92b8 | 4054 | |
16bd92ea | 4055 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 4056 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4057 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4058 | unmap.xunmap.from_configure = False; | |
4059 | if (! XSendEvent (x_current_display, | |
4060 | DefaultRootWindow (x_current_display), | |
4061 | False, | |
4062 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4063 | &unmap)) | |
4064 | { | |
4065 | UNBLOCK_INPUT_RESIGNAL; | |
4066 | error ("can't notify window manager of withdrawal"); | |
4067 | } | |
dc6f92b8 JB |
4068 | } |
4069 | ||
16bd92ea | 4070 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
4071 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
4072 | ||
4073 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 4074 | |
c118dd06 | 4075 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4076 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4077 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4078 | XUnmapWindow (f->display.x->icon_desc); |
4079 | ||
4080 | #endif /* ! defined (HAVE_X11) */ | |
4081 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4082 | |
4083 | XFlushQueue (); | |
4084 | UNBLOCK_INPUT; | |
4085 | } | |
4086 | ||
16bd92ea | 4087 | /* Window manager communication. Created in Fx_open_connection. */ |
dc6f92b8 JB |
4088 | extern Atom Xatom_wm_change_state; |
4089 | ||
4090 | /* Change window state from mapped to iconified. */ | |
4091 | ||
f676886a JB |
4092 | x_iconify_frame (f) |
4093 | struct frame *f; | |
dc6f92b8 JB |
4094 | { |
4095 | int mask; | |
4096 | ||
3a88c238 | 4097 | if (f->async_iconified) |
dc6f92b8 JB |
4098 | return; |
4099 | ||
4100 | BLOCK_INPUT; | |
4101 | ||
4102 | #ifdef HAVE_X11 | |
16bd92ea JB |
4103 | /* Since we don't know which revision of X we're running, we'll use both |
4104 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4105 | ||
4106 | /* X11R4: send a ClientMessage to the window manager using the | |
4107 | WM_CHANGE_STATE type. */ | |
4108 | { | |
4109 | XEvent message; | |
4110 | ||
c118dd06 | 4111 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4112 | message.xclient.type = ClientMessage; |
4113 | message.xclient.message_type = Xatom_wm_change_state; | |
4114 | message.xclient.format = 32; | |
4115 | message.xclient.data.l[0] = IconicState; | |
4116 | ||
4117 | if (! XSendEvent (x_current_display, | |
4118 | DefaultRootWindow (x_current_display), | |
4119 | False, | |
4120 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4121 | &message)) | |
dc6f92b8 JB |
4122 | { |
4123 | UNBLOCK_INPUT_RESIGNAL; | |
4124 | error ("Can't notify window manager of iconification."); | |
4125 | } | |
16bd92ea | 4126 | } |
dc6f92b8 | 4127 | |
16bd92ea JB |
4128 | /* X11R3: set the initial_state field of the window manager hints to |
4129 | IconicState. */ | |
4130 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4131 | |
3a88c238 | 4132 | f->async_iconified = 1; |
c118dd06 JB |
4133 | #else /* ! defined (HAVE_X11) */ |
4134 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4135 | |
3a88c238 | 4136 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4137 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4138 | { |
f676886a JB |
4139 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4140 | refreshicon (f); | |
dc6f92b8 | 4141 | } |
c118dd06 | 4142 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4143 | |
4144 | XFlushQueue (); | |
4145 | UNBLOCK_INPUT; | |
4146 | } | |
4147 | ||
c0ff3fab | 4148 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4149 | |
c0ff3fab | 4150 | x_destroy_window (f) |
f676886a | 4151 | struct frame *f; |
dc6f92b8 | 4152 | { |
dc6f92b8 | 4153 | BLOCK_INPUT; |
c0ff3fab JB |
4154 | |
4155 | if (f->display.x->icon_desc != 0) | |
4156 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4157 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
dc6f92b8 | 4158 | XFlushQueue (); |
dc6f92b8 | 4159 | |
c0ff3fab JB |
4160 | free (f->display.x); |
4161 | f->display.x = 0; | |
f676886a JB |
4162 | if (f == x_focus_frame) |
4163 | x_focus_frame = 0; | |
4164 | if (f == x_highlight_frame) | |
4165 | x_highlight_frame = 0; | |
c0ff3fab JB |
4166 | |
4167 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4168 | } |
4169 | \f | |
f451eb13 JB |
4170 | /* Manage event queues for X10. */ |
4171 | ||
dc6f92b8 JB |
4172 | #ifndef HAVE_X11 |
4173 | ||
4174 | /* Manage event queues. | |
4175 | ||
4176 | This code is only used by the X10 support. | |
4177 | ||
4178 | We cannot leave events in the X queue and get them when we are ready | |
4179 | because X does not provide a subroutine to get only a certain kind | |
4180 | of event but not block if there are no queued events of that kind. | |
4181 | ||
4182 | Therefore, we must examine events as they come in and copy events | |
4183 | of certain kinds into our private queues. | |
4184 | ||
4185 | All ExposeRegion events are put in x_expose_queue. | |
4186 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4187 | ||
4188 | ||
4189 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4190 | If the queue is full, do nothing, but return nonzero. */ | |
4191 | ||
4192 | int | |
4193 | enqueue_event (p_xrep, queue) | |
4194 | register XEvent *p_xrep; | |
4195 | register struct event_queue *queue; | |
4196 | { | |
4197 | int newindex = queue->windex + 1; | |
4198 | if (newindex == EVENT_BUFFER_SIZE) | |
4199 | newindex = 0; | |
4200 | if (newindex == queue->rindex) | |
4201 | return -1; | |
4202 | queue->xrep[queue->windex] = *p_xrep; | |
4203 | queue->windex = newindex; | |
4204 | return 0; | |
4205 | } | |
4206 | ||
4207 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4208 | If *QUEUE is empty, do nothing and return 0. */ | |
4209 | ||
4210 | int | |
4211 | dequeue_event (p_xrep, queue) | |
4212 | register XEvent *p_xrep; | |
4213 | register struct event_queue *queue; | |
4214 | { | |
4215 | if (queue->windex == queue->rindex) | |
4216 | return 0; | |
4217 | *p_xrep = queue->xrep[queue->rindex++]; | |
4218 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4219 | queue->rindex = 0; | |
4220 | return 1; | |
4221 | } | |
4222 | ||
4223 | /* Return the number of events buffered in *QUEUE. */ | |
4224 | ||
4225 | int | |
4226 | queue_event_count (queue) | |
4227 | register struct event_queue *queue; | |
4228 | { | |
4229 | int tem = queue->windex - queue->rindex; | |
4230 | if (tem >= 0) | |
4231 | return tem; | |
4232 | return EVENT_BUFFER_SIZE + tem; | |
4233 | } | |
4234 | ||
4235 | /* Return nonzero if mouse input is pending. */ | |
4236 | ||
4237 | int | |
4238 | mouse_event_pending_p () | |
4239 | { | |
4240 | return queue_event_count (&x_mouse_queue); | |
4241 | } | |
c118dd06 | 4242 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4243 | \f |
f451eb13 JB |
4244 | /* Setting window manager hints. */ |
4245 | ||
dc6f92b8 JB |
4246 | #ifdef HAVE_X11 |
4247 | ||
f676886a JB |
4248 | x_wm_set_size_hint (f, prompting) |
4249 | struct frame *f; | |
dc6f92b8 JB |
4250 | long prompting; |
4251 | { | |
4252 | XSizeHints size_hints; | |
c118dd06 | 4253 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 JB |
4254 | |
4255 | size_hints.flags = PResizeInc | PMinSize | PMaxSize; | |
4256 | ||
f676886a JB |
4257 | flexlines = f->height; |
4258 | ||
4259 | size_hints.x = f->display.x->left_pos; | |
4260 | size_hints.y = f->display.x->top_pos; | |
4261 | size_hints.height = PIXEL_HEIGHT (f); | |
4262 | size_hints.width = PIXEL_WIDTH (f); | |
4263 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4264 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
12ba150f JB |
4265 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4266 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f451eb13 | 4267 | |
b1c884c3 | 4268 | { |
b0342f17 JB |
4269 | int base_width, base_height; |
4270 | ||
f451eb13 JB |
4271 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4272 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4273 | |
4274 | { | |
4275 | int min_rows = 0, min_cols = 0; | |
4276 | check_frame_size (f, &min_rows, &min_cols); | |
4277 | ||
4278 | /* The window manager uses the base width hints to calculate the | |
4279 | current number of rows and columns in the frame while | |
4280 | resizing; min_width and min_height aren't useful for this | |
4281 | purpose, since they might not give the dimensions for a | |
4282 | zero-row, zero-column frame. | |
4283 | ||
4284 | We use the base_width and base_height members if we have | |
4285 | them; otherwise, we set the min_width and min_height members | |
4286 | to the size for a zero x zero frame. */ | |
4287 | ||
4288 | #ifdef HAVE_X11R4 | |
4289 | size_hints.flags |= PBaseSize; | |
4290 | size_hints.base_width = base_width; | |
4291 | size_hints.base_height = base_height; | |
4292 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4293 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4294 | #else | |
4295 | size_hints.min_width = base_width; | |
4296 | size_hints.min_height = base_height; | |
4297 | #endif | |
4298 | } | |
b1c884c3 | 4299 | |
b1c884c3 | 4300 | } |
dc6f92b8 JB |
4301 | |
4302 | if (prompting) | |
4303 | size_hints.flags |= prompting; | |
4304 | else | |
4305 | { | |
4306 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4307 | ||
4308 | XGetNormalHints (x_current_display, window, &hints); | |
4309 | if (hints.flags & PSize) | |
4310 | size_hints.flags |= PSize; | |
4311 | if (hints.flags & PPosition) | |
4312 | size_hints.flags |= PPosition; | |
4313 | if (hints.flags & USPosition) | |
4314 | size_hints.flags |= USPosition; | |
4315 | if (hints.flags & USSize) | |
4316 | size_hints.flags |= USSize; | |
4317 | } | |
16bd92ea | 4318 | |
b0342f17 JB |
4319 | #ifdef HAVE_X11R4 |
4320 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4321 | #else | |
dc6f92b8 | 4322 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4323 | #endif |
dc6f92b8 JB |
4324 | } |
4325 | ||
4326 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4327 | x_wm_set_window_state (f, state) |
4328 | struct frame *f; | |
dc6f92b8 JB |
4329 | int state; |
4330 | { | |
c118dd06 | 4331 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4332 | |
16bd92ea JB |
4333 | f->display.x->wm_hints.flags |= StateHint; |
4334 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4335 | |
16bd92ea | 4336 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4337 | } |
4338 | ||
f676886a JB |
4339 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4340 | struct frame *f; | |
dc6f92b8 JB |
4341 | Pixmap icon_pixmap; |
4342 | { | |
c118dd06 | 4343 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4344 | |
dbc4e1c1 JB |
4345 | if (icon_pixmap) |
4346 | { | |
4347 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
4348 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
4349 | } | |
4350 | else | |
4351 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 4352 | |
16bd92ea | 4353 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4354 | } |
4355 | ||
f676886a JB |
4356 | x_wm_set_icon_position (f, icon_x, icon_y) |
4357 | struct frame *f; | |
dc6f92b8 JB |
4358 | int icon_x, icon_y; |
4359 | { | |
c118dd06 | 4360 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4361 | |
16bd92ea JB |
4362 | f->display.x->wm_hints.flags |= IconPositionHint; |
4363 | f->display.x->wm_hints.icon_x = icon_x; | |
4364 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4365 | |
16bd92ea | 4366 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4367 | } |
4368 | ||
4369 | \f | |
f451eb13 JB |
4370 | /* Initialization. */ |
4371 | ||
dc6f92b8 JB |
4372 | void |
4373 | x_term_init (display_name) | |
4374 | char *display_name; | |
4375 | { | |
f676886a | 4376 | Lisp_Object frame; |
dc6f92b8 JB |
4377 | char *defaultvalue; |
4378 | #ifdef F_SETOWN | |
4379 | extern int old_fcntl_owner; | |
c118dd06 | 4380 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4381 | |
f676886a | 4382 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4383 | |
4384 | x_current_display = XOpenDisplay (display_name); | |
4385 | if (x_current_display == 0) | |
4386 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4387 | display_name); | |
4388 | ||
4389 | #ifdef HAVE_X11 | |
4390 | { | |
16bd92ea | 4391 | int hostname_size = 256; |
60fb3ee1 JB |
4392 | |
4393 | hostname = (char *) xmalloc (hostname_size); | |
4394 | ||
dc6f92b8 JB |
4395 | #if 0 |
4396 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4397 | #endif /* ! 0 */ |
dc6f92b8 | 4398 | |
55123275 | 4399 | invocation_name = Ffile_name_nondirectory (Fcar (Vcommand_line_args)); |
60fb3ee1 JB |
4400 | |
4401 | /* Try to get the host name; if the buffer is too short, try | |
4402 | again. Apparently, the only indication gethostname gives of | |
4403 | whether the buffer was large enough is the presence or absence | |
4404 | of a '\0' in the string. Eech. */ | |
4405 | for (;;) | |
4406 | { | |
4407 | gethostname (hostname, hostname_size - 1); | |
4408 | hostname[hostname_size - 1] = '\0'; | |
4409 | ||
4410 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4411 | if (strlen (hostname) < hostname_size - 1) | |
4412 | break; | |
4413 | ||
4414 | hostname_size <<= 1; | |
4415 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4416 | } | |
4417 | x_id_name = (char *) xmalloc (XSTRING (invocation_name)->size | |
4418 | + strlen (hostname) | |
4419 | + 2); | |
4420 | sprintf (x_id_name, "%s@%s", XSTRING (invocation_name)->data, hostname); | |
dc6f92b8 | 4421 | } |
28430d3c JB |
4422 | |
4423 | /* Figure out which modifier bits mean what. */ | |
4424 | x_find_modifier_meanings (); | |
f451eb13 JB |
4425 | |
4426 | /* Get the scrollbar cursor. */ | |
4427 | x_vertical_scrollbar_cursor = | |
4428 | XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
4429 | ||
28430d3c JB |
4430 | /* Watch for PropertyNotify events on the root window; we use them |
4431 | to figure out when to invalidate our cache of the cut buffers. */ | |
4432 | x_watch_cut_buffer_cache (); | |
4433 | ||
dc6f92b8 | 4434 | dup2 (ConnectionNumber (x_current_display), 0); |
6d4238f3 JB |
4435 | |
4436 | #ifndef SYSV_STREAMS | |
4437 | /* Streams somehow keeps track of which descriptor number | |
4438 | is being used to talk to X. So it is not safe to substitute | |
4439 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
dc6f92b8 | 4440 | close (ConnectionNumber (x_current_display)); |
6d4238f3 JB |
4441 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? |
4442 | * check the def of the macro; | |
4443 | * it is a genuine lvalue */ | |
c118dd06 | 4444 | #endif /* SYSV_STREAMS */ |
6d4238f3 | 4445 | |
c118dd06 | 4446 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4447 | |
4448 | #ifdef F_SETOWN | |
4449 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4450 | #ifdef F_SETOWN_SOCK_NEG | |
4451 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4452 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4453 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4454 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4455 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4456 | |
4457 | #ifdef SIGIO | |
4458 | init_sigio (); | |
c118dd06 | 4459 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4460 | |
4461 | /* Must use interrupt input because we cannot otherwise | |
4462 | arrange for C-g to be noticed immediately. | |
4463 | We cannot connect it to SIGINT. */ | |
4464 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4465 | ||
4466 | expose_all_windows = 0; | |
4467 | ||
f676886a | 4468 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4469 | clear_end_of_line_hook = XTclear_end_of_line; |
4470 | ins_del_lines_hook = XTins_del_lines; | |
4471 | change_line_highlight_hook = XTchange_line_highlight; | |
4472 | insert_glyphs_hook = XTinsert_glyphs; | |
4473 | write_glyphs_hook = XTwrite_glyphs; | |
4474 | delete_glyphs_hook = XTdelete_glyphs; | |
4475 | ring_bell_hook = XTring_bell; | |
4476 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4477 | set_terminal_modes_hook = XTset_terminal_modes; | |
4478 | update_begin_hook = XTupdate_begin; | |
4479 | update_end_hook = XTupdate_end; | |
4480 | set_terminal_window_hook = XTset_terminal_window; | |
4481 | read_socket_hook = XTread_socket; | |
4482 | cursor_to_hook = XTcursor_to; | |
4483 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4484 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4485 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 4486 | frame_raise_lower_hook = XTframe_raise_lower; |
12ba150f | 4487 | set_vertical_scrollbar_hook = XTset_vertical_scrollbar; |
f451eb13 JB |
4488 | condemn_scrollbars_hook = XTcondemn_scrollbars; |
4489 | redeem_scrollbar_hook = XTredeem_scrollbar; | |
4490 | judge_scrollbars_hook = XTjudge_scrollbars; | |
dc6f92b8 | 4491 | |
f676886a | 4492 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4493 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4494 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4495 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4496 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4497 | off the bottom */ |
4498 | baud_rate = 19200; | |
4499 | ||
c118dd06 JB |
4500 | /* Note that there is no real way portable across R3/R4 to get the |
4501 | original error handler. */ | |
4502 | XHandleError (x_error_quitter); | |
4503 | XHandleIOError (x_error_quitter); | |
dc6f92b8 JB |
4504 | |
4505 | /* Disable Window Change signals; they are handled by X events. */ | |
4506 | #ifdef SIGWINCH | |
4507 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4508 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4509 | |
c118dd06 | 4510 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4511 | } |
55123275 JB |
4512 | |
4513 | void | |
4514 | syms_of_xterm () | |
4515 | { | |
4516 | staticpro (&invocation_name); | |
4517 | invocation_name = Qnil; | |
12ba150f JB |
4518 | |
4519 | staticpro (&last_mouse_scrollbar); | |
55123275 | 4520 | } |
c118dd06 JB |
4521 | #endif /* ! defined (HAVE_X11) */ |
4522 | #endif /* ! defined (HAVE_X_WINDOWS) */ |