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 | ||
ab648270 JB |
165 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
166 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 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 | ||
64bb1782 RS |
261 | /* See keyboard.c. */ |
262 | extern int extra_keyboard_modifiers; | |
263 | ||
dc6f92b8 JB |
264 | extern Display *XOpenDisplay (); |
265 | extern Window XCreateWindow (); | |
266 | ||
267 | extern Cursor XCreateCursor (); | |
268 | extern FONT_TYPE *XOpenFont (); | |
269 | ||
270 | static void flashback (); | |
271 | ||
272 | #ifndef HAVE_X11 | |
273 | static void dumpqueue (); | |
c118dd06 | 274 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
275 | |
276 | void dumpborder (); | |
4746118a JB |
277 | static int XTcursor_to (); |
278 | static int XTclear_end_of_line (); | |
16bd92ea JB |
279 | |
280 | \f | |
f451eb13 JB |
281 | /* Starting and ending updates. |
282 | ||
283 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
284 | of a frame update. We record in `updating_frame' the identity |
285 | of the frame being updated, so that the XT... functions do not | |
286 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 JB |
287 | should never be called except during an update, the only exceptions |
288 | being XTcursor_to, XTwrite_char and XTreassert_line_highlight. */ | |
289 | ||
290 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
291 | ||
292 | static | |
f676886a JB |
293 | XTupdate_begin (f) |
294 | struct frame *f; | |
dc6f92b8 JB |
295 | { |
296 | int mask; | |
297 | ||
f676886a | 298 | if (f == 0) |
dc6f92b8 JB |
299 | abort (); |
300 | ||
f676886a JB |
301 | updating_frame = f; |
302 | flexlines = f->height; | |
dc6f92b8 JB |
303 | highlight = 0; |
304 | ||
dc6f92b8 JB |
305 | BLOCK_INPUT; |
306 | #ifndef HAVE_X11 | |
307 | dumpqueue (); | |
c118dd06 | 308 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
309 | UNBLOCK_INPUT; |
310 | } | |
311 | ||
f451eb13 | 312 | #ifndef HAVE_X11 |
dc6f92b8 | 313 | static void x_do_pending_expose (); |
f451eb13 | 314 | #endif |
dc6f92b8 JB |
315 | |
316 | static | |
f676886a JB |
317 | XTupdate_end (f) |
318 | struct frame *f; | |
dc6f92b8 JB |
319 | { |
320 | int mask; | |
321 | ||
f676886a JB |
322 | if (updating_frame == 0 |
323 | || updating_frame != f) | |
dc6f92b8 JB |
324 | abort (); |
325 | ||
326 | BLOCK_INPUT; | |
327 | #ifndef HAVE_X11 | |
328 | dumpqueue (); | |
dc6f92b8 | 329 | x_do_pending_expose (); |
f451eb13 | 330 | #endif /* HAVE_X11 */ |
dc6f92b8 | 331 | |
f676886a | 332 | x_display_cursor (f, 1); |
dc6f92b8 | 333 | |
f676886a | 334 | updating_frame = 0; |
dc6f92b8 JB |
335 | XFlushQueue (); |
336 | UNBLOCK_INPUT; | |
337 | } | |
338 | \f | |
339 | /* External interface to control of standout mode. | |
340 | Call this when about to modify line at position VPOS | |
341 | and not change whether it is highlighted. */ | |
342 | ||
343 | XTreassert_line_highlight (new, vpos) | |
344 | int new, vpos; | |
345 | { | |
346 | highlight = new; | |
347 | } | |
348 | ||
349 | /* Call this when about to modify line at position VPOS | |
350 | and change whether it is highlighted. */ | |
351 | ||
352 | static | |
353 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
354 | int new_highlight, vpos, first_unused_hpos; | |
355 | { | |
356 | highlight = new_highlight; | |
357 | XTcursor_to (vpos, 0); | |
f676886a | 358 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
359 | } |
360 | ||
361 | /* This is used when starting Emacs and when restarting after suspend. | |
362 | When starting Emacs, no X window is mapped. And nothing must be done | |
363 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
364 | ||
365 | static | |
366 | XTset_terminal_modes () | |
367 | { | |
368 | } | |
369 | ||
370 | /* This is called when exiting or suspending Emacs. | |
371 | Exiting will make the X-windows go away, and suspending | |
372 | requires no action. */ | |
373 | ||
374 | static | |
375 | XTreset_terminal_modes () | |
376 | { | |
f676886a | 377 | /* XTclear_frame (); */ |
dc6f92b8 JB |
378 | } |
379 | \f | |
f451eb13 JB |
380 | /* Set the nominal cursor position of the frame. |
381 | This is where display update commands will take effect. | |
dc6f92b8 JB |
382 | This does not affect the place where the cursor-box is displayed. */ |
383 | ||
4746118a | 384 | static int |
dc6f92b8 JB |
385 | XTcursor_to (row, col) |
386 | register int row, col; | |
387 | { | |
388 | int mask; | |
389 | int orow = row; | |
390 | ||
391 | curs_x = col; | |
392 | curs_y = row; | |
393 | ||
f676886a | 394 | if (updating_frame == 0) |
dc6f92b8 JB |
395 | { |
396 | BLOCK_INPUT; | |
f676886a | 397 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
398 | XFlushQueue (); |
399 | UNBLOCK_INPUT; | |
400 | } | |
401 | } | |
402 | \f | |
403 | /* Display a sequence of N glyphs found at GP. | |
404 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
405 | HL is 1 if this text is highlighted, 2 if the cursor is on it. | |
406 | ||
407 | FONT is the default font to use (for glyphs whose font-code is 0). */ | |
408 | ||
409 | static void | |
f676886a JB |
410 | dumpglyphs (f, left, top, gp, n, hl, font) |
411 | struct frame *f; | |
dc6f92b8 JB |
412 | int left, top; |
413 | register GLYPH *gp; /* Points to first GLYPH. */ | |
414 | register int n; /* Number of glyphs to display. */ | |
415 | int hl; | |
416 | FONT_TYPE *font; | |
417 | { | |
dc6f92b8 | 418 | register int len; |
c118dd06 | 419 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
420 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc |
421 | : (hl ? f->display.x->reverse_gc | |
422 | : f->display.x->normal_gc)); | |
dc6f92b8 | 423 | |
c7004826 JB |
424 | if (sizeof (GLYPH) == sizeof (XChar2b)) |
425 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
426 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
427 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
428 | XDrawImageString (x_current_display, window, drawing_gc, | |
429 | left, top + FONT_BASE (font), (char *) gp, n); | |
430 | else | |
431 | /* What size of glyph ARE you using? And does X have a function to | |
432 | draw them? */ | |
433 | abort (); | |
dc6f92b8 JB |
434 | } |
435 | ||
436 | #if 0 | |
437 | static void | |
f676886a JB |
438 | dumpglyphs (f, left, top, gp, n, hl, font) |
439 | struct frame *f; | |
dc6f92b8 JB |
440 | int left, top; |
441 | register GLYPH *gp; /* Points to first GLYPH. */ | |
442 | register int n; /* Number of glyphs to display. */ | |
443 | int hl; | |
444 | FONT_TYPE *font; | |
445 | { | |
f676886a | 446 | char buf[f->width]; /* Holds characters to be displayed. */ |
dc6f92b8 JB |
447 | register char *cp; /* Steps through buf[]. */ |
448 | register int tlen = GLYPH_TABLE_LENGTH; | |
449 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 450 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
451 | int cursor_pixel = f->display.x->cursor_pixel; |
452 | int fg_pixel = f->display.x->foreground_pixel; | |
453 | int bg_pixel = f->display.x->background_pixel; | |
454 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
455 | |
456 | while (n) | |
457 | { | |
458 | /* Get the face-code of the next GLYPH. */ | |
459 | int cf, len; | |
460 | int g = *gp; | |
461 | ||
462 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
463 | g = GLYPH_ALIAS (tbase, g); | |
464 | ||
465 | cf = g >> 8; | |
466 | ||
467 | /* Find the run of consecutive glyphs with the same face-code. | |
468 | Extract their character codes into BUF. */ | |
469 | cp = buf; | |
470 | while (n > 0) | |
471 | { | |
472 | g = *gp; | |
473 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
474 | g = GLYPH_ALIAS (tbase, g); | |
475 | if ((g >> 8) != cf) | |
476 | break; | |
477 | ||
478 | *cp++ = 0377 & g; | |
479 | --n; | |
480 | ++gp; | |
481 | } | |
482 | ||
483 | /* LEN gets the length of the run. */ | |
484 | len = cp - buf; | |
485 | ||
486 | /* Now output this run of chars, with the font and pixel values | |
487 | determined by the face code CF. */ | |
488 | if (cf == 0) | |
489 | { | |
490 | #ifdef HAVE_X11 | |
f676886a JB |
491 | GC GC_cursor = f->display.x->cursor_gc; |
492 | GC GC_reverse = f->display.x->reverse_gc; | |
493 | GC GC_normal = f->display.x->normal_gc; | |
dc6f92b8 JB |
494 | |
495 | XDrawImageString (x_current_display, window, | |
496 | (hl == 2 | |
497 | ? GC_cursor | |
498 | : (hl ? GC_reverse : GC_normal)), | |
499 | left, top + FONT_BASE (font), buf, len); | |
c118dd06 | 500 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
501 | XText (window, left, top, |
502 | buf, | |
503 | len, | |
504 | font->id, | |
505 | (hl == 2 | |
506 | ? (cursor_pixel == fg_pixel ? bg_pixel : fg_pixel) | |
507 | : hl ? bg_pixel : fg_pixel), | |
508 | (hl == 2 ? cursor_pixel | |
509 | : hl ? fg_pixel : bg_pixel)); | |
c118dd06 | 510 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
511 | } |
512 | else | |
513 | { | |
514 | #ifdef HAVE_X11 | |
515 | if (FACE_IS_FONT (cf)) | |
c118dd06 | 516 | XDrawImageString (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 JB |
517 | FACE_GC (cf), |
518 | left, top + FONT_BASE (FACE_FONT (cf)), | |
519 | buf, len); | |
520 | else if (FACE_IS_IMAGE (cf)) | |
521 | XCopyPlane (x_current_display, FACE_IMAGE (cf), | |
c118dd06 | 522 | FRAME_X_WINDOW (f), |
f676886a | 523 | f->display.x->normal_gc, |
dc6f92b8 JB |
524 | 0, 0, |
525 | FACE_IMAGE_WIDTH (cf), | |
526 | FACE_IMAGE_HEIGHT (cf), left, top); | |
527 | else | |
528 | abort (); | |
c118dd06 | 529 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
530 | register struct face *fp = x_face_table[cf]; |
531 | ||
532 | XText (window, left, top, | |
533 | buf, | |
534 | len, | |
535 | fp->font->id, | |
536 | (hl == 2 | |
537 | ? (cursor_pixel == fp->fg ? fp->bg : fp->fg) | |
538 | : hl ? fp->bg : fp->fg), | |
539 | (hl == 2 ? cursor_pixel | |
540 | : hl ? fp->fg : fp->bg)); | |
c118dd06 | 541 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
542 | } |
543 | left += len * FONT_WIDTH (font); | |
544 | } | |
545 | } | |
c118dd06 | 546 | #endif /* ! 0 */ |
dc6f92b8 | 547 | \f |
f451eb13 JB |
548 | /* Output some text at the nominal frame cursor position. |
549 | Advance the cursor over the text. | |
dc6f92b8 JB |
550 | Output LEN glyphs at START. |
551 | ||
552 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
553 | controls the pixel values used for foreground and background. */ | |
554 | ||
555 | static | |
556 | XTwrite_glyphs (start, len) | |
557 | register GLYPH *start; | |
558 | int len; | |
559 | { | |
560 | register int temp_length; | |
561 | int mask; | |
f676886a | 562 | struct frame *f; |
dc6f92b8 JB |
563 | |
564 | BLOCK_INPUT; | |
565 | ||
f676886a JB |
566 | f = updating_frame; |
567 | if (f == 0) | |
dc6f92b8 | 568 | { |
f676886a | 569 | f = selected_frame; |
dc6f92b8 | 570 | /* If not within an update, |
f676886a JB |
571 | output at the frame's visible cursor. */ |
572 | curs_x = f->cursor_x; | |
573 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
574 | } |
575 | ||
f676886a | 576 | dumpglyphs (f, |
12ba150f JB |
577 | CHAR_TO_PIXEL_COL (f, curs_x), |
578 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
579 | start, len, highlight, f->display.x->font); | |
90e65f07 JB |
580 | |
581 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
582 | if (curs_y == f->phys_cursor_y |
583 | && curs_x <= f->phys_cursor_x | |
584 | && curs_x + len > f->phys_cursor_x) | |
585 | f->phys_cursor_x = -1; | |
dc6f92b8 | 586 | |
f676886a | 587 | if (updating_frame == 0) |
dc6f92b8 | 588 | { |
f676886a JB |
589 | f->cursor_x += len; |
590 | x_display_cursor (f, 1); | |
591 | f->cursor_x -= len; | |
dc6f92b8 JB |
592 | } |
593 | else | |
594 | curs_x += len; | |
595 | ||
596 | UNBLOCK_INPUT; | |
597 | } | |
598 | \f | |
f451eb13 JB |
599 | /* Clear to the end of the line. |
600 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
601 | to column FIRST_UNUSED (exclusive). The idea is that everything |
602 | from FIRST_UNUSED onward is already erased. */ | |
603 | ||
4746118a | 604 | static int |
dc6f92b8 JB |
605 | XTclear_end_of_line (first_unused) |
606 | register int first_unused; | |
607 | { | |
f676886a | 608 | struct frame *f = updating_frame; |
dc6f92b8 JB |
609 | int mask; |
610 | ||
f676886a | 611 | if (f == 0) |
dc6f92b8 JB |
612 | abort (); |
613 | ||
f676886a | 614 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
615 | return; |
616 | if (first_unused <= 0) | |
617 | return; | |
618 | ||
f676886a JB |
619 | if (first_unused >= f->width) |
620 | first_unused = f->width; | |
dc6f92b8 JB |
621 | |
622 | BLOCK_INPUT; | |
623 | ||
90e65f07 | 624 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
625 | if (curs_y == f->phys_cursor_y |
626 | && curs_x <= f->phys_cursor_x | |
627 | && f->phys_cursor_x < first_unused) | |
628 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
629 | |
630 | #ifdef HAVE_X11 | |
c118dd06 | 631 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
632 | CHAR_TO_PIXEL_COL (f, curs_x), |
633 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
634 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
635 | FONT_HEIGHT (f->display.x->font), False); | |
dc6f92b8 | 636 | |
c118dd06 JB |
637 | #else /* ! defined (HAVE_X11) */ |
638 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
639 | CHAR_TO_PIXEL_COL (f, curs_x), |
640 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
641 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
642 | FONT_HEIGHT (f->display.x->font), | |
643 | f->display.x->background_pixel); | |
c118dd06 | 644 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
645 | |
646 | UNBLOCK_INPUT; | |
647 | } | |
648 | ||
649 | static | |
f676886a | 650 | XTclear_frame () |
dc6f92b8 JB |
651 | { |
652 | int mask; | |
f676886a | 653 | struct frame *f = updating_frame; |
dc6f92b8 | 654 | |
f676886a JB |
655 | if (f == 0) |
656 | f = selected_frame; | |
dc6f92b8 | 657 | |
f676886a | 658 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
659 | curs_x = 0; /* Nominal cursor position is top left. */ |
660 | curs_y = 0; | |
661 | ||
662 | BLOCK_INPUT; | |
dbc4e1c1 | 663 | |
c118dd06 | 664 | XClear (FRAME_X_WINDOW (f)); |
dbc4e1c1 | 665 | |
ab648270 | 666 | /* We have to clear the scroll bars, too. If we have changed |
dbc4e1c1 | 667 | colors or something like that, then they should be notified. */ |
ab648270 | 668 | x_scroll_bar_clear (f); |
dbc4e1c1 | 669 | |
dc6f92b8 | 670 | #ifndef HAVE_X11 |
f676886a | 671 | dumpborder (f, 0); |
c118dd06 | 672 | #endif /* HAVE_X11 */ |
dbc4e1c1 | 673 | |
dc6f92b8 JB |
674 | XFlushQueue (); |
675 | UNBLOCK_INPUT; | |
676 | } | |
677 | \f | |
dbc4e1c1 JB |
678 | /* Invert the middle quarter of the frame for .15 sec. */ |
679 | ||
680 | /* We use the select system call to do the waiting, so we have to make sure | |
681 | it's avaliable. If it isn't, we just won't do visual bells. */ | |
682 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) | |
683 | ||
684 | /* Subtract the `struct timeval' values X and Y, | |
685 | storing the result in RESULT. | |
686 | Return 1 if the difference is negative, otherwise 0. */ | |
687 | ||
688 | static int | |
689 | timeval_subtract (result, x, y) | |
690 | struct timeval *result, x, y; | |
691 | { | |
692 | /* Perform the carry for the later subtraction by updating y. | |
693 | This is safer because on some systems | |
694 | the tv_sec member is unsigned. */ | |
695 | if (x.tv_usec < y.tv_usec) | |
696 | { | |
697 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
698 | y.tv_usec -= 1000000 * nsec; | |
699 | y.tv_sec += nsec; | |
700 | } | |
701 | if (x.tv_usec - y.tv_usec > 1000000) | |
702 | { | |
703 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
704 | y.tv_usec += 1000000 * nsec; | |
705 | y.tv_sec -= nsec; | |
706 | } | |
707 | ||
708 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
709 | result->tv_sec = x.tv_sec - y.tv_sec; | |
710 | result->tv_usec = x.tv_usec - y.tv_usec; | |
711 | ||
712 | /* Return indication of whether the result should be considered negative. */ | |
713 | return x.tv_sec < y.tv_sec; | |
714 | } | |
dc6f92b8 | 715 | |
f676886a JB |
716 | XTflash (f) |
717 | struct frame *f; | |
dc6f92b8 | 718 | { |
dbc4e1c1 | 719 | BLOCK_INPUT; |
dc6f92b8 | 720 | |
dbc4e1c1 JB |
721 | { |
722 | GC gc; | |
dc6f92b8 | 723 | |
dbc4e1c1 JB |
724 | /* Create a GC that will use the GXxor function to flip foreground pixels |
725 | into background pixels. */ | |
726 | { | |
727 | XGCValues values; | |
dc6f92b8 | 728 | |
dbc4e1c1 JB |
729 | values.function = GXxor; |
730 | values.foreground = (f->display.x->foreground_pixel | |
731 | ^ f->display.x->background_pixel); | |
732 | ||
733 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
734 | GCFunction | GCForeground, &values); | |
735 | } | |
dc6f92b8 | 736 | |
dbc4e1c1 JB |
737 | { |
738 | int width = PIXEL_WIDTH (f); | |
739 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 740 | |
dbc4e1c1 JB |
741 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
742 | width/4, height/4, width/2, height/2); | |
743 | XFlush (x_current_display); | |
dc6f92b8 | 744 | |
dbc4e1c1 JB |
745 | { |
746 | struct timeval wakeup, now; | |
dc6f92b8 | 747 | |
dbc4e1c1 | 748 | gettimeofday (&wakeup, (struct timezone *) 0); |
dc6f92b8 | 749 | |
dbc4e1c1 JB |
750 | /* Compute time to wait until, propagating carry from usecs. */ |
751 | wakeup.tv_usec += 150000; | |
752 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
753 | wakeup.tv_usec %= 1000000; | |
754 | ||
755 | /* Keep waiting until past the time wakeup. */ | |
756 | while (1) | |
757 | { | |
758 | struct timeval timeout; | |
759 | ||
760 | gettimeofday (&timeout, (struct timezone *)0); | |
761 | ||
762 | /* In effect, timeout = wakeup - timeout. | |
763 | Break if result would be negative. */ | |
764 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
765 | break; | |
766 | ||
767 | /* Try to wait that long--but we might wake up sooner. */ | |
768 | select (0, 0, 0, 0, &timeout); | |
769 | } | |
770 | } | |
771 | ||
772 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
773 | width/4, height/4, width/2, height/2); | |
774 | XFreeGC (x_current_display, gc); | |
775 | XFlush (x_current_display); | |
dc6f92b8 | 776 | } |
dbc4e1c1 JB |
777 | } |
778 | ||
779 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
780 | } |
781 | ||
dbc4e1c1 JB |
782 | #endif |
783 | ||
784 | ||
dc6f92b8 JB |
785 | /* Make audible bell. */ |
786 | ||
787 | #ifdef HAVE_X11 | |
788 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 789 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 790 | #define XRINGBELL XFeep(0); |
c118dd06 | 791 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
792 | |
793 | XTring_bell () | |
794 | { | |
dbc4e1c1 | 795 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 796 | if (visible_bell) |
f676886a | 797 | XTflash (selected_frame); |
dc6f92b8 | 798 | else |
dbc4e1c1 | 799 | #endif |
dc6f92b8 JB |
800 | { |
801 | BLOCK_INPUT; | |
802 | XRINGBELL; | |
803 | XFlushQueue (); | |
804 | UNBLOCK_INPUT; | |
805 | } | |
806 | } | |
807 | \f | |
f451eb13 JB |
808 | /* Insert and delete character. |
809 | These are not supposed to be used because we are supposed to turn | |
810 | off the feature of using them. */ | |
dc6f92b8 JB |
811 | |
812 | static | |
813 | XTinsert_glyphs (start, len) | |
814 | register char *start; | |
815 | register int len; | |
816 | { | |
817 | abort (); | |
818 | } | |
819 | ||
820 | static | |
821 | XTdelete_glyphs (n) | |
822 | register int n; | |
823 | { | |
824 | abort (); | |
825 | } | |
826 | \f | |
827 | /* Specify how many text lines, from the top of the window, | |
828 | should be affected by insert-lines and delete-lines operations. | |
829 | This, and those operations, are used only within an update | |
830 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
831 | ||
832 | static | |
833 | XTset_terminal_window (n) | |
834 | register int n; | |
835 | { | |
f676886a | 836 | if (updating_frame == 0) |
dc6f92b8 JB |
837 | abort (); |
838 | ||
f676886a JB |
839 | if ((n <= 0) || (n > updating_frame->height)) |
840 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
841 | else |
842 | flexlines = n; | |
843 | } | |
844 | \f | |
f451eb13 JB |
845 | /* Perform an insert-lines operation. |
846 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
847 | |
848 | static void | |
849 | stufflines (n) | |
850 | register int n; | |
851 | { | |
852 | register int topregion, bottomregion; | |
853 | register int length, newtop, mask; | |
f676886a JB |
854 | register struct frame *f = updating_frame; |
855 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
856 | |
857 | if (curs_y >= flexlines) | |
858 | return; | |
859 | ||
860 | topregion = curs_y; | |
861 | bottomregion = flexlines - (n + 1); | |
862 | newtop = topregion + n; | |
863 | length = (bottomregion - topregion) + 1; | |
864 | ||
865 | #ifndef HAVE_X11 | |
866 | dumpqueue (); | |
c118dd06 | 867 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
868 | |
869 | if ((length > 0) && (newtop <= flexlines)) | |
870 | { | |
871 | #ifdef HAVE_X11 | |
c118dd06 JB |
872 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
873 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 874 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
875 | f->width * FONT_WIDTH (f->display.x->font), |
876 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 877 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
878 | #else /* ! defined (HAVE_X11) */ |
879 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
880 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
881 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
882 | f->width * FONT_WIDTH (f->display.x->font), |
883 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
884 | /* Now we must process any ExposeRegion events that occur |
885 | if the area being copied from is obscured. | |
886 | We can't let it wait because further i/d operations | |
887 | may want to copy this area to another area. */ | |
888 | x_read_exposes (); | |
c118dd06 | 889 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
890 | } |
891 | ||
892 | newtop = min (newtop, (flexlines - 1)); | |
893 | length = newtop - topregion; | |
894 | if (length > 0) | |
895 | { | |
896 | #ifdef HAVE_X11 | |
c118dd06 | 897 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 898 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
899 | f->width * FONT_WIDTH (f->display.x->font), |
900 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
901 | #else /* ! defined (HAVE_X11) */ |
902 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 903 | intborder, |
12ba150f | 904 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
905 | f->width * FONT_WIDTH (f->display.x->font), |
906 | n * FONT_HEIGHT (f->display.x->font), | |
907 | f->display.x->background_pixel); | |
c118dd06 | 908 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
909 | } |
910 | } | |
911 | ||
912 | /* Perform a delete-lines operation, deleting N lines | |
913 | at a vertical position curs_y. */ | |
914 | ||
915 | static void | |
916 | scraplines (n) | |
917 | register int n; | |
918 | { | |
919 | int mask; | |
f676886a JB |
920 | register struct frame *f = updating_frame; |
921 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
922 | |
923 | if (curs_y >= flexlines) | |
924 | return; | |
925 | ||
926 | #ifndef HAVE_X11 | |
927 | dumpqueue (); | |
c118dd06 | 928 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
929 | |
930 | if ((curs_y + n) >= flexlines) | |
931 | { | |
932 | if (flexlines >= (curs_y + 1)) | |
933 | { | |
934 | #ifdef HAVE_X11 | |
c118dd06 | 935 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 936 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
937 | f->width * FONT_WIDTH (f->display.x->font), |
938 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
939 | #else /* ! defined (HAVE_X11) */ |
940 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 941 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
942 | f->width * FONT_WIDTH (f->display.x->font), |
943 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
944 | f->display.x->background_pixel); | |
c118dd06 | 945 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
946 | } |
947 | } | |
948 | else | |
949 | { | |
950 | #ifdef HAVE_X11 | |
c118dd06 JB |
951 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
952 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 953 | intborder, |
12ba150f | 954 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
955 | f->width * FONT_WIDTH (f->display.x->font), |
956 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 957 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 958 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 959 | intborder, |
12ba150f | 960 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
961 | f->width * FONT_WIDTH (f->display.x->font), |
962 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
963 | #else /* ! defined (HAVE_X11) */ |
964 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 965 | intborder, |
12ba150f JB |
966 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
967 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
968 | f->width * FONT_WIDTH (f->display.x->font), |
969 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
970 | /* Now we must process any ExposeRegion events that occur |
971 | if the area being copied from is obscured. | |
972 | We can't let it wait because further i/d operations | |
973 | may want to copy this area to another area. */ | |
974 | x_read_exposes (); | |
c118dd06 | 975 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 976 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
977 | f->width * FONT_WIDTH (f->display.x->font), |
978 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 979 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
980 | } |
981 | } | |
982 | ||
983 | /* Perform an insert-lines or delete-lines operation, | |
984 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
985 | ||
986 | XTins_del_lines (vpos, n) | |
987 | int vpos, n; | |
988 | { | |
f676886a | 989 | if (updating_frame == 0) |
dc6f92b8 JB |
990 | abort (); |
991 | ||
90e65f07 | 992 | /* Hide the cursor. */ |
f676886a | 993 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
994 | |
995 | XTcursor_to (vpos, 0); | |
996 | ||
997 | BLOCK_INPUT; | |
998 | if (n >= 0) | |
999 | stufflines (n); | |
1000 | else | |
1001 | scraplines (-n); | |
1002 | XFlushQueue (); | |
1003 | UNBLOCK_INPUT; | |
1004 | } | |
1005 | \f | |
f451eb13 | 1006 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1007 | static void clear_cursor (); |
1008 | ||
f676886a JB |
1009 | /* Output into a rectangle of an X-window (for frame F) |
1010 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
1011 | TOP and LEFT are the position of the upper left corner of the rectangle. |
1012 | ROWS and COLS are the size of the rectangle. */ | |
1013 | ||
1014 | static void | |
f676886a JB |
1015 | dumprectangle (f, left, top, cols, rows) |
1016 | struct frame *f; | |
dc6f92b8 JB |
1017 | register int left, top, cols, rows; |
1018 | { | |
f676886a | 1019 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1020 | int cursor_cleared = 0; |
1021 | int bottom, right; | |
1022 | register int y; | |
1023 | ||
f676886a | 1024 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1025 | return; |
1026 | ||
dc6f92b8 JB |
1027 | /* Express rectangle as four edges, instead of position-and-size. */ |
1028 | bottom = top + rows; | |
1029 | right = left + cols; | |
1030 | ||
1031 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1032 | { |
1033 | int intborder = f->display.x->internal_border_width; | |
1034 | ||
1035 | /* If the rectangle includes any of the internal border area, | |
1036 | redisplay the border emphasis. */ | |
1037 | if (top < intborder || left < intborder | |
1038 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1039 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1040 | dumpborder (f, 0); | |
1041 | } | |
c118dd06 | 1042 | #endif /* HAVE_X11 /* Window manger does this for X11. */ */ |
dc6f92b8 JB |
1043 | |
1044 | /* Convert rectangle edges in pixels to edges in chars. | |
1045 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1046 | top = PIXEL_TO_CHAR_ROW (f, top); |
1047 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1048 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1049 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1050 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1051 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1052 | |
1053 | /* Clip the rectangle to what can be visible. */ | |
1054 | if (left < 0) | |
1055 | left = 0; | |
1056 | if (top < 0) | |
1057 | top = 0; | |
f676886a JB |
1058 | if (right > f->width) |
1059 | right = f->width; | |
1060 | if (bottom > f->height) | |
1061 | bottom = f->height; | |
dc6f92b8 JB |
1062 | |
1063 | /* Get size in chars of the rectangle. */ | |
1064 | cols = right - left; | |
1065 | rows = bottom - top; | |
1066 | ||
1067 | /* If rectangle has zero area, return. */ | |
1068 | if (rows <= 0) return; | |
1069 | if (cols <= 0) return; | |
1070 | ||
1071 | /* Turn off the cursor if it is in the rectangle. | |
1072 | We will turn it back on afterward. */ | |
f676886a JB |
1073 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1074 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1075 | { |
f676886a | 1076 | clear_cursor (f); |
dc6f92b8 JB |
1077 | cursor_cleared = 1; |
1078 | } | |
1079 | ||
1080 | /* Display the text in the rectangle, one text line at a time. */ | |
1081 | ||
1082 | for (y = top; y < bottom; y++) | |
1083 | { | |
f676886a | 1084 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1085 | |
f676886a | 1086 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1087 | continue; |
1088 | ||
f676886a | 1089 | dumpglyphs (f, |
12ba150f JB |
1090 | CHAR_TO_PIXEL_COL (f, left), |
1091 | CHAR_TO_PIXEL_ROW (f, y), | |
1092 | line, min (cols, active_frame->used[y] - left), | |
1093 | active_frame->highlight[y], f->display.x->font); | |
dc6f92b8 JB |
1094 | } |
1095 | ||
1096 | /* Turn the cursor on if we turned it off. */ | |
1097 | ||
1098 | if (cursor_cleared) | |
f676886a | 1099 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1100 | } |
1101 | ||
1102 | #ifndef HAVE_X11 | |
1103 | /* Process all queued ExposeRegion events. */ | |
1104 | ||
1105 | static void | |
1106 | dumpqueue () | |
1107 | { | |
1108 | register int i; | |
1109 | XExposeRegionEvent r; | |
1110 | ||
1111 | while (dequeue_event (&r, &x_expose_queue)) | |
1112 | { | |
f676886a JB |
1113 | struct frame *f = x_window_to_frame (r.window); |
1114 | if (f->display.x->icon_desc == r.window) | |
1115 | refreshicon (f); | |
dc6f92b8 | 1116 | else |
f676886a | 1117 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1118 | } |
1119 | XFlushQueue (); | |
1120 | } | |
c118dd06 | 1121 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1122 | \f |
f451eb13 | 1123 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1124 | Redraws the cursor if necessary on any frame that |
1125 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1126 | |
f451eb13 | 1127 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1128 | static void |
1129 | x_do_pending_expose () | |
1130 | { | |
1131 | int mask; | |
f676886a JB |
1132 | struct frame *f; |
1133 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1134 | |
1135 | if (expose_all_windows) | |
1136 | { | |
1137 | expose_all_windows = 0; | |
f676886a | 1138 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1139 | { |
1140 | register int temp_width, temp_height; | |
1141 | int intborder; | |
1142 | ||
f676886a | 1143 | frame = XCONS (tail)->car; |
ab648270 | 1144 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1145 | continue; |
f676886a | 1146 | f = XFRAME (frame); |
b1c884c3 | 1147 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1148 | continue; |
3a88c238 | 1149 | if (!f->async_visible) |
dc6f92b8 | 1150 | continue; |
f676886a | 1151 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1152 | continue; |
1153 | ||
f676886a | 1154 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1155 | |
f676886a | 1156 | clear_cursor (f); |
c118dd06 | 1157 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1158 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1159 | - f->display.x->v_scroll_bar_width) |
f676886a | 1160 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1161 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1162 | - f->display.x->h_scroll_bar_height) |
f676886a JB |
1163 | / FONT_HEIGHT (f->display.x->font)); |
1164 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1165 | { |
f676886a | 1166 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1167 | max (1, temp_width), 0, 1); |
ab648270 | 1168 | x_resize_scroll_bars (f); |
dc6f92b8 | 1169 | } |
f676886a JB |
1170 | f->display.x->left_pos = windowinfo.x; |
1171 | f->display.x->top_pos = windowinfo.y; | |
1172 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1173 | #if 0 |
f676886a | 1174 | dumpborder (f, 0); |
c118dd06 | 1175 | #endif /* ! 0 */ |
f676886a JB |
1176 | f->display.x->needs_exposure = 0; |
1177 | if (updating_frame != f) | |
1178 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1179 | XFlushQueue (); |
1180 | } | |
1181 | } | |
1182 | else | |
1183 | /* Handle any individual-rectangle expose events queued | |
1184 | for various windows. */ | |
1185 | #ifdef HAVE_X11 | |
1186 | ; | |
c118dd06 | 1187 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1188 | dumpqueue (); |
c118dd06 | 1189 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1190 | } |
f451eb13 | 1191 | #endif |
dc6f92b8 JB |
1192 | |
1193 | #ifdef HAVE_X11 | |
1194 | static void | |
f676886a JB |
1195 | frame_highlight (frame) |
1196 | struct frame *frame; | |
dc6f92b8 JB |
1197 | { |
1198 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1199 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1200 | frame->display.x->border_pixel); |
1201 | x_display_cursor (frame, 1); | |
dc6f92b8 JB |
1202 | } |
1203 | ||
1204 | static void | |
f676886a JB |
1205 | frame_unhighlight (frame) |
1206 | struct frame *frame; | |
dc6f92b8 JB |
1207 | { |
1208 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1209 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1210 | frame->display.x->border_tile); |
1211 | x_display_cursor (frame, 1); | |
dc6f92b8 | 1212 | } |
c118dd06 | 1213 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1214 | /* Dump the border-emphasis of frame F. |
1215 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1216 | just within the border, occupying a portion of the internal border. |
f676886a | 1217 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1218 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1219 | ||
f676886a | 1220 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1221 | In that case, we also turn the cursor off and on again |
1222 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1223 | ||
1224 | static void | |
f676886a JB |
1225 | dumpborder (f, always) |
1226 | struct frame *f; | |
dc6f92b8 JB |
1227 | int always; |
1228 | { | |
f676886a JB |
1229 | int thickness = f->display.x->internal_border_width / 2; |
1230 | int width = PIXEL_WIDTH (f); | |
1231 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1232 | int pixel; |
1233 | ||
f676886a | 1234 | if (f != selected_frame) |
dc6f92b8 JB |
1235 | { |
1236 | if (!always) | |
1237 | return; | |
1238 | ||
f676886a | 1239 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1240 | } |
1241 | else | |
1242 | { | |
f676886a | 1243 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1244 | } |
1245 | ||
c118dd06 JB |
1246 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1247 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1248 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1249 | thickness, pixel); |
c118dd06 | 1250 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1251 | height, pixel); |
1252 | ||
1253 | if (always) | |
f676886a | 1254 | x_display_cursor (f, 1); |
dc6f92b8 | 1255 | } |
c118dd06 | 1256 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1257 | |
f676886a | 1258 | static void XTframe_rehighlight (); |
6d4238f3 | 1259 | |
f676886a JB |
1260 | /* The focus has changed. Update the frames as necessary to reflect |
1261 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1262 | here, because the lisp code we are interrupting might become confused. |
f676886a | 1263 | Each event gets marked with the frame in which it occured, so the |
6d4238f3 | 1264 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1265 | |
6d4238f3 | 1266 | static void |
f676886a JB |
1267 | x_new_focus_frame (frame) |
1268 | struct frame *frame; | |
dc6f92b8 | 1269 | { |
f676886a | 1270 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1271 | int events_enqueued = 0; |
1272 | ||
f676886a | 1273 | if (frame != x_focus_frame) |
dc6f92b8 | 1274 | { |
6d4238f3 | 1275 | /* Set this before calling other routines, so that they see |
f676886a JB |
1276 | the correct value of x_focus_frame. */ |
1277 | x_focus_frame = frame; | |
6d4238f3 JB |
1278 | |
1279 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1280 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1281 | |
1282 | #if 0 | |
f676886a JB |
1283 | selected_frame = frame; |
1284 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1285 | Lisp_Frame, selected_frame); | |
1286 | Fselect_window (selected_frame->selected_window); | |
1287 | choose_minibuf_frame (); | |
c118dd06 | 1288 | #endif /* ! 0 */ |
dc6f92b8 | 1289 | |
f676886a JB |
1290 | if (x_focus_frame && x_focus_frame->auto_raise) |
1291 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1292 | } |
dc6f92b8 | 1293 | |
f676886a | 1294 | XTframe_rehighlight (); |
6d4238f3 JB |
1295 | } |
1296 | ||
1297 | ||
f451eb13 JB |
1298 | /* The focus has changed, or we have redirected a frame's focus to |
1299 | another frame (this happens when a frame uses a surrogate | |
1300 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1301 | static void |
f676886a | 1302 | XTframe_rehighlight () |
6d4238f3 | 1303 | { |
f676886a | 1304 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1305 | |
f676886a | 1306 | if (x_focus_frame) |
6d4238f3 | 1307 | { |
f451eb13 | 1308 | x_highlight_frame = |
ab648270 | 1309 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1310 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1311 | : x_focus_frame); | |
1312 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1313 | { | |
1314 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1315 | x_highlight_frame = x_focus_frame; | |
1316 | } | |
dc6f92b8 | 1317 | } |
6d4238f3 | 1318 | else |
f676886a | 1319 | x_highlight_frame = 0; |
dc6f92b8 | 1320 | |
f676886a | 1321 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1322 | { |
1323 | if (old_highlight) | |
f676886a JB |
1324 | frame_unhighlight (old_highlight); |
1325 | if (x_highlight_frame) | |
1326 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1327 | } |
dc6f92b8 JB |
1328 | } |
1329 | \f | |
90e65f07 JB |
1330 | /* Mouse clicks and mouse movement. Rah. */ |
1331 | #ifdef HAVE_X11 | |
1332 | ||
f676886a | 1333 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return |
90e65f07 JB |
1334 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle |
1335 | that the glyph at X, Y occupies, if BOUNDS != 0. */ | |
1336 | static void | |
f676886a JB |
1337 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds) |
1338 | FRAME_PTR f; | |
dc6f92b8 JB |
1339 | register unsigned int pix_x, pix_y; |
1340 | register int *x, *y; | |
90e65f07 | 1341 | XRectangle *bounds; |
dc6f92b8 | 1342 | { |
12ba150f JB |
1343 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1344 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
90e65f07 JB |
1345 | |
1346 | if (bounds) | |
1347 | { | |
12ba150f JB |
1348 | bounds->width = FONT_WIDTH (f->display.x->font); |
1349 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1350 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1351 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
90e65f07 | 1352 | } |
12ba150f JB |
1353 | |
1354 | if (pix_x < 0) pix_x = 0; | |
1355 | else if (pix_x > f->width) pix_x = f->width; | |
1356 | ||
1357 | if (pix_y < 0) pix_y = 0; | |
1358 | else if (pix_y > f->height) pix_y = f->height; | |
1359 | ||
1360 | *x = pix_x; | |
1361 | *y = pix_y; | |
dc6f92b8 | 1362 | } |
dc6f92b8 JB |
1363 | |
1364 | /* Any buttons grabbed. */ | |
1365 | unsigned int x_mouse_grabbed; | |
1366 | ||
28430d3c JB |
1367 | /* Which modifier keys are on which modifier bits? |
1368 | ||
1369 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1370 | keys were held down when the key was pressed. The interpretation |
1371 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1372 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1373 | is the meta bit. | |
1374 | ||
1375 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1376 | It may have more than one bit set, if more than one modifier bit | |
1377 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1378 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1379 | ||
1380 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1381 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1382 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1383 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1384 | arrangement, the lock modifier should shift the character if | |
1385 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1386 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1387 | |
a3c44b14 RS |
1388 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1389 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1390 | ||
28430d3c JB |
1391 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1392 | static void | |
1393 | x_find_modifier_meanings () | |
1394 | { | |
f689eb05 | 1395 | int min_code, max_code; |
28430d3c JB |
1396 | KeySym *syms; |
1397 | int syms_per_code; | |
1398 | XModifierKeymap *mods; | |
1399 | ||
1400 | x_meta_mod_mask = 0; | |
11edeb03 | 1401 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1402 | x_alt_mod_mask = 0; |
1403 | x_super_mod_mask = 0; | |
1404 | x_hyper_mod_mask = 0; | |
28430d3c JB |
1405 | |
1406 | XDisplayKeycodes (x_current_display, &min_code, &max_code); | |
1407 | syms = XGetKeyboardMapping (x_current_display, | |
1408 | min_code, max_code - min_code + 1, | |
1409 | &syms_per_code); | |
1410 | mods = XGetModifierMapping (x_current_display); | |
1411 | ||
11edeb03 JB |
1412 | /* Scan the modifier table to see which modifier bits the Meta and |
1413 | Alt keysyms are on. */ | |
28430d3c JB |
1414 | { |
1415 | int row, col; /* The row and column in the modifier table. */ | |
1416 | ||
1417 | for (row = 3; row < 8; row++) | |
1418 | for (col = 0; col < mods->max_keypermod; col++) | |
1419 | { | |
1420 | KeyCode code = | |
1421 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1422 | ||
1423 | /* Are any of this keycode's keysyms a meta key? */ | |
1424 | { | |
1425 | int code_col; | |
1426 | ||
1427 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1428 | { | |
f689eb05 | 1429 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1430 | |
f689eb05 | 1431 | switch (sym) |
28430d3c | 1432 | { |
f689eb05 JB |
1433 | case XK_Meta_L: |
1434 | case XK_Meta_R: | |
28430d3c JB |
1435 | x_meta_mod_mask |= (1 << row); |
1436 | break; | |
f689eb05 JB |
1437 | |
1438 | case XK_Alt_L: | |
1439 | case XK_Alt_R: | |
a3c44b14 RS |
1440 | x_alt_mod_mask |= (1 << row); |
1441 | break; | |
1442 | ||
1443 | case XK_Hyper_L: | |
1444 | case XK_Hyper_R: | |
1445 | x_hyper_mod_mask |= (1 << row); | |
1446 | break; | |
1447 | ||
1448 | case XK_Super_L: | |
1449 | case XK_Super_R: | |
1450 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1451 | break; |
11edeb03 JB |
1452 | |
1453 | case XK_Shift_Lock: | |
1454 | /* Ignore this if it's not on the lock modifier. */ | |
1455 | if ((1 << row) == LockMask) | |
1456 | x_shift_lock_mask = LockMask; | |
1457 | break; | |
28430d3c JB |
1458 | } |
1459 | } | |
1460 | } | |
1461 | } | |
1462 | } | |
1463 | ||
f689eb05 JB |
1464 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1465 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1466 | { |
1467 | x_meta_mod_mask = x_alt_mod_mask; | |
1468 | x_alt_mod_mask = 0; | |
1469 | } | |
f689eb05 | 1470 | |
28430d3c | 1471 | XFree ((char *) syms); |
f689eb05 | 1472 | XFreeModifiermap (mods); |
28430d3c JB |
1473 | } |
1474 | ||
1475 | ||
dc6f92b8 JB |
1476 | /* Convert a set of X modifier bits to the proper form for a |
1477 | struct input_event modifiers value. */ | |
1478 | ||
7c5283e4 | 1479 | static unsigned int |
dc6f92b8 JB |
1480 | x_convert_modifiers (state) |
1481 | unsigned int state; | |
1482 | { | |
11edeb03 JB |
1483 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1484 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1485 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1486 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1487 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1488 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1489 | } |
1490 | ||
dc6f92b8 JB |
1491 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1492 | ||
1493 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1494 | the mouse. */ |
dc6f92b8 JB |
1495 | |
1496 | static Lisp_Object | |
f451eb13 | 1497 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1498 | struct input_event *result; |
1499 | XButtonEvent *event; | |
f676886a | 1500 | struct frame *f; |
dc6f92b8 | 1501 | { |
f451eb13 | 1502 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1503 | otherwise. */ |
f451eb13 JB |
1504 | result->kind = mouse_click; |
1505 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1506 | result->timestamp = event->time; |
dc6f92b8 | 1507 | result->modifiers = (x_convert_modifiers (event->state) |
f689eb05 JB |
1508 | | (event->type == ButtonRelease |
1509 | ? up_modifier | |
1510 | : down_modifier)); | |
dc6f92b8 JB |
1511 | |
1512 | /* Notice if the mouse is still grabbed. */ | |
1513 | if (event->type == ButtonPress) | |
1514 | { | |
1515 | if (! x_mouse_grabbed) | |
1516 | Vmouse_depressed = Qt; | |
90e65f07 | 1517 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1518 | } |
1519 | else if (event->type == ButtonRelease) | |
1520 | { | |
90e65f07 | 1521 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1522 | if (!x_mouse_grabbed) |
1523 | Vmouse_depressed = Qnil; | |
1524 | } | |
1525 | ||
f451eb13 JB |
1526 | { |
1527 | int row, column; | |
dc6f92b8 | 1528 | |
f451eb13 JB |
1529 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1530 | XFASTINT (result->x) = column; | |
1531 | XFASTINT (result->y) = row; | |
12ba150f | 1532 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1533 | } |
dc6f92b8 JB |
1534 | } |
1535 | ||
1536 | ||
90e65f07 JB |
1537 | /* Mouse movement. Rah. |
1538 | ||
1539 | In order to avoid asking for motion events and then throwing most | |
1540 | of them away or busy-polling the server for mouse positions, we ask | |
1541 | the server for pointer motion hints. This means that we get only | |
1542 | one event per group of mouse movements. "Groups" are delimited by | |
1543 | other kinds of events (focus changes and button clicks, for | |
1544 | example), or by XQueryPointer calls; when one of these happens, we | |
1545 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1546 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1547 | tracking is on, and I suspect only negligibly worse when tracking |
1548 | is off. | |
1549 | ||
1550 | The silly O'Reilly & Associates Nutshell guides barely document | |
1551 | pointer motion hints at all (I think you have to infer how they | |
1552 | work from an example), and the description of XQueryPointer doesn't | |
1553 | mention that calling it causes you to get another motion hint from | |
1554 | the server, which is very important. */ | |
1555 | ||
1556 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1557 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1558 | static XRectangle last_mouse_glyph; |
1559 | ||
ab648270 | 1560 | /* The scroll bar in which the last X motion event occurred. |
12ba150f | 1561 | |
ab648270 JB |
1562 | If the last X motion event occured in a scroll bar, we set this |
1563 | so XTmouse_position can know whether to report a scroll bar motion or | |
12ba150f JB |
1564 | an ordinary motion. |
1565 | ||
ab648270 | 1566 | If the last X motion event didn't occur in a scroll bar, we set this |
12ba150f | 1567 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ |
ab648270 | 1568 | static Lisp_Object last_mouse_scroll_bar; |
f451eb13 | 1569 | |
e5d77022 JB |
1570 | /* This is a hack. We would really prefer that XTmouse_position would |
1571 | return the time associated with the position it returns, but there | |
1572 | doesn't seem to be any way to wrest the timestamp from the server | |
1573 | along with the position query. So, we just keep track of the time | |
1574 | of the last movement we received, and return that in hopes that | |
1575 | it's somewhat accurate. */ | |
1576 | static Time last_mouse_movement_time; | |
1577 | ||
90e65f07 JB |
1578 | /* Function to report a mouse movement to the mainstream Emacs code. |
1579 | The input handler calls this. | |
1580 | ||
1581 | We have received a mouse movement event, which is given in *event. | |
1582 | If the mouse is over a different glyph than it was last time, tell | |
1583 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1584 | another motion event, so we can check again the next time it moves. */ | |
1585 | static void | |
12ba150f | 1586 | note_mouse_movement (frame, event) |
f676886a | 1587 | FRAME_PTR frame; |
90e65f07 JB |
1588 | XMotionEvent *event; |
1589 | ||
1590 | { | |
e5d77022 JB |
1591 | last_mouse_movement_time = event->time; |
1592 | ||
90e65f07 JB |
1593 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1594 | if (event->x < last_mouse_glyph.x | |
1595 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1596 | || event->y < last_mouse_glyph.y | |
1597 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1598 | { |
1599 | mouse_moved = 1; | |
ab648270 | 1600 | last_mouse_scroll_bar = Qnil; |
12ba150f | 1601 | } |
90e65f07 JB |
1602 | else |
1603 | { | |
1604 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1605 | event the next time the mouse moves and we can see if it's | |
1606 | *still* on the same glyph. */ | |
1607 | int dummy; | |
1608 | ||
1609 | XQueryPointer (event->display, event->window, | |
1610 | (Window *) &dummy, (Window *) &dummy, | |
1611 | &dummy, &dummy, &dummy, &dummy, | |
1612 | (unsigned int *) &dummy); | |
1613 | } | |
1614 | } | |
1615 | ||
ab648270 JB |
1616 | static struct scroll_bar *x_window_to_scroll_bar (); |
1617 | static void x_scroll_bar_report_motion (); | |
12ba150f | 1618 | |
90e65f07 JB |
1619 | /* Return the current position of the mouse. |
1620 | ||
ab648270 JB |
1621 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
1622 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 1623 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 1624 | position on the scroll bar. |
12ba150f JB |
1625 | |
1626 | If the mouse movement started elsewhere, set *f to the frame the | |
1627 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1628 | the mouse is over. | |
1629 | ||
1630 | Set *time to the server timestamp for the time at which the mouse | |
1631 | was at this position. | |
1632 | ||
90e65f07 | 1633 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1634 | movement. This also calls XQueryPointer, which will cause the |
1635 | server to give us another MotionNotify when the mouse moves | |
1636 | again. */ | |
90e65f07 JB |
1637 | |
1638 | static void | |
12ba150f | 1639 | XTmouse_position (f, bar_window, part, x, y, time) |
f676886a | 1640 | FRAME_PTR *f; |
12ba150f | 1641 | Lisp_Object *bar_window; |
ab648270 | 1642 | enum scroll_bar_part *part; |
90e65f07 | 1643 | Lisp_Object *x, *y; |
e5d77022 | 1644 | unsigned long *time; |
90e65f07 | 1645 | { |
90e65f07 JB |
1646 | BLOCK_INPUT; |
1647 | ||
ab648270 JB |
1648 | if (! NILP (last_mouse_scroll_bar)) |
1649 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1650 | else |
1651 | { | |
12ba150f JB |
1652 | Window root; |
1653 | int root_x, root_y; | |
90e65f07 | 1654 | |
12ba150f JB |
1655 | Window dummy_window; |
1656 | int dummy; | |
1657 | ||
1658 | mouse_moved = 0; | |
ab648270 | 1659 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
1660 | |
1661 | /* Figure out which root window we're on. */ | |
1662 | XQueryPointer (x_current_display, | |
1663 | DefaultRootWindow (x_current_display), | |
1664 | ||
1665 | /* The root window which contains the pointer. */ | |
1666 | &root, | |
1667 | ||
1668 | /* Trash which we can't trust if the pointer is on | |
1669 | a different screen. */ | |
1670 | &dummy_window, | |
1671 | ||
1672 | /* The position on that root window. */ | |
1673 | &root_x, &root_y, | |
1674 | ||
1675 | /* More trash we can't trust. */ | |
1676 | &dummy, &dummy, | |
1677 | ||
1678 | /* Modifier keys and pointer buttons, about which | |
1679 | we don't care. */ | |
1680 | (unsigned int *) &dummy); | |
1681 | ||
1682 | /* Now we have a position on the root; find the innermost window | |
1683 | containing the pointer. */ | |
1684 | { | |
1685 | Window win, child; | |
1686 | int win_x, win_y; | |
1687 | int parent_x, parent_y; | |
1688 | ||
1689 | win = root; | |
1690 | for (;;) | |
1691 | { | |
1692 | XTranslateCoordinates (x_current_display, | |
1693 | ||
1694 | /* From-window, to-window. */ | |
1695 | root, win, | |
1696 | ||
1697 | /* From-position, to-position. */ | |
1698 | root_x, root_y, &win_x, &win_y, | |
1699 | ||
1700 | /* Child of win. */ | |
1701 | &child); | |
1702 | ||
1703 | if (child == None) | |
1704 | break; | |
1705 | ||
1706 | win = child; | |
1707 | parent_x = win_x; | |
1708 | parent_y = win_y; | |
1709 | } | |
1710 | ||
1711 | /* Now we know that: | |
1712 | win is the innermost window containing the pointer | |
1713 | (XTC says it has no child containing the pointer), | |
1714 | win_x and win_y are the pointer's position in it | |
1715 | (XTC did this the last time through), and | |
1716 | parent_x and parent_y are the pointer's position in win's parent. | |
1717 | (They are what win_x and win_y were when win was child. | |
1718 | If win is the root window, it has no parent, and | |
1719 | parent_{x,y} are invalid, but that's okay, because we'll | |
1720 | never use them in that case.) */ | |
1721 | ||
1722 | /* Is win one of our frames? */ | |
1723 | *f = x_window_to_frame (win); | |
1724 | ||
ab648270 | 1725 | /* If not, is it one of our scroll bars? */ |
12ba150f JB |
1726 | if (! *f) |
1727 | { | |
ab648270 | 1728 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
1729 | |
1730 | if (bar) | |
1731 | { | |
1732 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1733 | win_x = parent_x; | |
1734 | win_y = parent_y; | |
1735 | } | |
1736 | } | |
90e65f07 | 1737 | |
12ba150f JB |
1738 | if (*f) |
1739 | { | |
1740 | pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y, | |
1741 | &last_mouse_glyph); | |
1742 | ||
1743 | *bar_window = Qnil; | |
1744 | *part = 0; | |
1745 | XSET (*x, Lisp_Int, win_x); | |
1746 | XSET (*y, Lisp_Int, win_y); | |
1747 | *time = last_mouse_movement_time; | |
1748 | } | |
1749 | } | |
1750 | } | |
90e65f07 JB |
1751 | |
1752 | UNBLOCK_INPUT; | |
1753 | } | |
1754 | ||
c118dd06 | 1755 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1756 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1757 | #endif /* ! defined (HAVE_X11) */ |
1758 | \f | |
ab648270 | 1759 | /* Scroll bar support. */ |
f451eb13 | 1760 | |
ab648270 JB |
1761 | /* Given an X window ID, find the struct scroll_bar which manages it. |
1762 | This can be called in GC, so we have to make sure to strip off mark | |
1763 | bits. */ | |
1764 | static struct scroll_bar * | |
1765 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
1766 | Window window_id; |
1767 | { | |
1768 | Lisp_Object tail, frame; | |
f451eb13 | 1769 | |
ab648270 JB |
1770 | for (tail = Vframe_list; |
1771 | XGCTYPE (tail) == Lisp_Cons; | |
1772 | tail = XCONS (tail)->cdr) | |
f451eb13 | 1773 | { |
f451eb13 | 1774 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1775 | Lisp_Object bar, condemned; |
f451eb13 JB |
1776 | |
1777 | /* All elements of Vframe_list should be frames. */ | |
ab648270 | 1778 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
1779 | abort (); |
1780 | ||
ab648270 | 1781 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 1782 | right window ID. */ |
ab648270 JB |
1783 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
1784 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 1785 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
1786 | condemned scroll bar lists with one loop. */ |
1787 | ! GC_NILP (bar) || (bar = condemned, | |
1788 | condemned = Qnil, | |
1789 | ! GC_NILP (bar)); | |
1790 | bar = XSCROLL_BAR(bar)->next) | |
1791 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1792 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
1793 | } |
1794 | ||
1795 | return 0; | |
1796 | } | |
1797 | ||
ab648270 JB |
1798 | /* Open a new X window to serve as a scroll bar, and return the |
1799 | scroll bar vector for it. */ | |
1800 | static struct scroll_bar * | |
1801 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 1802 | struct window *window; |
f451eb13 JB |
1803 | int top, left, width, height; |
1804 | { | |
12ba150f | 1805 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
1806 | struct scroll_bar *bar = |
1807 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
1808 | |
1809 | BLOCK_INPUT; | |
1810 | ||
1811 | { | |
1812 | XSetWindowAttributes a; | |
1813 | unsigned long mask; | |
1814 | ||
12ba150f JB |
1815 | a.background_pixel = frame->display.x->background_pixel; |
1816 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1817 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1818 | | ExposureMask); |
ab648270 | 1819 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 1820 | |
dbc4e1c1 | 1821 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 1822 | |
ab648270 | 1823 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
1824 | (bar, |
1825 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1826 | |
ab648270 | 1827 | /* Position and size of scroll bar. */ |
12ba150f | 1828 | left, top, width, height, |
f451eb13 | 1829 | |
12ba150f JB |
1830 | /* Border width, depth, class, and visual. */ |
1831 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1832 | |
12ba150f JB |
1833 | /* Attributes. */ |
1834 | mask, &a)); | |
f451eb13 JB |
1835 | } |
1836 | ||
12ba150f JB |
1837 | XSET (bar->window, Lisp_Window, window); |
1838 | XSET (bar->top, Lisp_Int, top); | |
1839 | XSET (bar->left, Lisp_Int, left); | |
1840 | XSET (bar->width, Lisp_Int, width); | |
1841 | XSET (bar->height, Lisp_Int, height); | |
1842 | XSET (bar->start, Lisp_Int, 0); | |
1843 | XSET (bar->end, Lisp_Int, 0); | |
1844 | bar->dragging = Qnil; | |
f451eb13 JB |
1845 | |
1846 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 1847 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 1848 | bar->prev = Qnil; |
ab648270 | 1849 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 1850 | if (! NILP (bar->next)) |
ab648270 | 1851 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 1852 | |
ab648270 | 1853 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
1854 | |
1855 | UNBLOCK_INPUT; | |
12ba150f JB |
1856 | |
1857 | return bar; | |
f451eb13 JB |
1858 | } |
1859 | ||
12ba150f JB |
1860 | /* Draw BAR's handle in the proper position. |
1861 | If the handle is already drawn from START to END, don't bother | |
1862 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1863 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1864 | events.) | |
1865 | ||
1866 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 1867 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
1868 | handle, we want to let them drag it down all the way, so that the |
1869 | bar's top is as far down as it goes; otherwise, there's no way to | |
1870 | move to the very end of the buffer. */ | |
f451eb13 | 1871 | static void |
ab648270 JB |
1872 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
1873 | struct scroll_bar *bar; | |
f451eb13 | 1874 | int start, end; |
12ba150f | 1875 | int rebuild; |
f451eb13 | 1876 | { |
12ba150f | 1877 | int dragging = ! NILP (bar->dragging); |
ab648270 | 1878 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
1879 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
1880 | ||
1881 | /* If the display is already accurate, do nothing. */ | |
1882 | if (! rebuild | |
1883 | && start == XINT (bar->start) | |
1884 | && end == XINT (bar->end)) | |
1885 | return; | |
1886 | ||
f451eb13 JB |
1887 | BLOCK_INPUT; |
1888 | ||
1889 | { | |
ab648270 JB |
1890 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
1891 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
1892 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
1893 | |
1894 | /* Make sure the values are reasonable, and try to preserve | |
1895 | the distance between start and end. */ | |
12ba150f JB |
1896 | { |
1897 | int length = end - start; | |
1898 | ||
1899 | if (start < 0) | |
1900 | start = 0; | |
1901 | else if (start > top_range) | |
1902 | start = top_range; | |
1903 | end = start + length; | |
1904 | ||
1905 | if (end < start) | |
1906 | end = start; | |
1907 | else if (end > top_range && ! dragging) | |
1908 | end = top_range; | |
1909 | } | |
f451eb13 | 1910 | |
ab648270 | 1911 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
1912 | XSET (bar->start, Lisp_Int, start); |
1913 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 1914 | |
12ba150f JB |
1915 | /* Clip the end position, just for display. */ |
1916 | if (end > top_range) | |
1917 | end = top_range; | |
f451eb13 | 1918 | |
ab648270 | 1919 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
1920 | below top positions, to make sure the handle is always at least |
1921 | that many pixels tall. */ | |
ab648270 | 1922 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 1923 | |
12ba150f JB |
1924 | /* Draw the empty space above the handle. Note that we can't clear |
1925 | zero-height areas; that means "clear to end of window." */ | |
1926 | if (0 < start) | |
1927 | XClearArea (x_current_display, w, | |
f451eb13 | 1928 | |
12ba150f | 1929 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1930 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1931 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
1932 | inside_width, start, |
1933 | False); | |
f451eb13 | 1934 | |
12ba150f JB |
1935 | /* Draw the handle itself. */ |
1936 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 1937 | |
12ba150f | 1938 | /* x, y, width, height */ |
ab648270 JB |
1939 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1940 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 1941 | inside_width, end - start); |
f451eb13 | 1942 | |
f451eb13 | 1943 | |
12ba150f JB |
1944 | /* Draw the empty space below the handle. Note that we can't |
1945 | clear zero-height areas; that means "clear to end of window." */ | |
1946 | if (end < inside_height) | |
1947 | XClearArea (x_current_display, w, | |
f451eb13 | 1948 | |
12ba150f | 1949 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1950 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1951 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
1952 | inside_width, inside_height - end, |
1953 | False); | |
f451eb13 | 1954 | |
f451eb13 JB |
1955 | } |
1956 | ||
f451eb13 JB |
1957 | UNBLOCK_INPUT; |
1958 | } | |
1959 | ||
ab648270 | 1960 | /* Move a scroll bar around on the screen, to accomodate changing |
12ba150f | 1961 | window configurations. */ |
f451eb13 | 1962 | static void |
ab648270 JB |
1963 | x_scroll_bar_move (bar, top, left, width, height) |
1964 | struct scroll_bar *bar; | |
f451eb13 JB |
1965 | int top, left, width, height; |
1966 | { | |
1967 | BLOCK_INPUT; | |
1968 | ||
1969 | { | |
1970 | XWindowChanges wc; | |
1971 | unsigned int mask = 0; | |
1972 | ||
1973 | wc.x = left; | |
1974 | wc.y = top; | |
1975 | wc.width = width; | |
1976 | wc.height = height; | |
1977 | ||
12ba150f JB |
1978 | if (left != XINT (bar->left)) mask |= CWX; |
1979 | if (top != XINT (bar->top)) mask |= CWY; | |
1980 | if (width != XINT (bar->width)) mask |= CWWidth; | |
1981 | if (height != XINT (bar->height)) mask |= CWHeight; | |
1982 | ||
1983 | if (mask) | |
ab648270 | 1984 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 1985 | mask, &wc); |
f451eb13 JB |
1986 | } |
1987 | ||
12ba150f JB |
1988 | XSET (bar->left, Lisp_Int, left); |
1989 | XSET (bar->top, Lisp_Int, top); | |
1990 | XSET (bar->width, Lisp_Int, width); | |
1991 | XSET (bar->height, Lisp_Int, height); | |
1992 | ||
f451eb13 JB |
1993 | UNBLOCK_INPUT; |
1994 | } | |
1995 | ||
ab648270 | 1996 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
1997 | to nil. */ |
1998 | static void | |
ab648270 JB |
1999 | x_scroll_bar_remove (bar) |
2000 | struct scroll_bar *bar; | |
12ba150f JB |
2001 | { |
2002 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2003 | ||
2004 | BLOCK_INPUT; | |
2005 | ||
2006 | /* Destroy the window. */ | |
ab648270 | 2007 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2008 | |
ab648270 JB |
2009 | /* Disassociate this scroll bar from its window. */ |
2010 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2011 | |
2012 | UNBLOCK_INPUT; | |
2013 | } | |
2014 | ||
2015 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2016 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2017 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2018 | create one. */ |
2019 | static void | |
ab648270 | 2020 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2021 | struct window *window; |
2022 | int portion, whole, position; | |
2023 | { | |
2024 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2025 | int top = XINT (window->top); |
ab648270 JB |
2026 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2027 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2028 | |
ab648270 | 2029 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2030 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2031 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2032 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2033 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2034 | |
ab648270 | 2035 | struct scroll_bar *bar; |
12ba150f | 2036 | |
ab648270 JB |
2037 | /* Does the scroll bar exist yet? */ |
2038 | if (NILP (window->vertical_scroll_bar)) | |
2039 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2040 | pixel_top, pixel_left, |
2041 | pixel_width, pixel_height); | |
2042 | else | |
12ba150f JB |
2043 | { |
2044 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2045 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2046 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2047 | } |
f451eb13 | 2048 | |
ab648270 | 2049 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2050 | dragged. */ |
12ba150f | 2051 | if (NILP (bar->dragging)) |
f451eb13 | 2052 | { |
12ba150f | 2053 | int top_range = |
ab648270 | 2054 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2055 | |
12ba150f | 2056 | if (whole == 0) |
ab648270 | 2057 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2058 | else |
2059 | { | |
2060 | int start = (position * top_range) / whole; | |
2061 | int end = ((position + portion) * top_range) / whole; | |
2062 | ||
ab648270 | 2063 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2064 | } |
f451eb13 JB |
2065 | } |
2066 | ||
ab648270 | 2067 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2068 | } |
2069 | ||
12ba150f | 2070 | |
f451eb13 | 2071 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2072 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2073 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2074 | away is a real pain - "Can you say set-window-configuration, boys |
2075 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2076 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2077 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2078 | |
ab648270 JB |
2079 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2080 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2081 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2082 | static void |
ab648270 | 2083 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2084 | FRAME_PTR frame; |
2085 | { | |
12ba150f JB |
2086 | /* The condemned list should be empty at this point; if it's not, |
2087 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2088 | protocol correctly. */ | |
ab648270 | 2089 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2090 | abort (); |
2091 | ||
2092 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2093 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2094 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2095 | } |
2096 | ||
ab648270 | 2097 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2098 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2099 | static void |
ab648270 | 2100 | XTredeem_scroll_bar (window) |
12ba150f | 2101 | struct window *window; |
f451eb13 | 2102 | { |
ab648270 | 2103 | struct scroll_bar *bar; |
12ba150f | 2104 | |
ab648270 JB |
2105 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2106 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2107 | abort (); |
2108 | ||
ab648270 | 2109 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2110 | |
2111 | /* Unlink it from the condemned list. */ | |
2112 | { | |
2113 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2114 | ||
2115 | if (NILP (bar->prev)) | |
2116 | { | |
2117 | /* If the prev pointer is nil, it must be the first in one of | |
2118 | the lists. */ | |
ab648270 | 2119 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2120 | /* It's not condemned. Everything's fine. */ |
2121 | return; | |
ab648270 JB |
2122 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2123 | window->vertical_scroll_bar)) | |
2124 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2125 | else |
2126 | /* If its prev pointer is nil, it must be at the front of | |
2127 | one or the other! */ | |
2128 | abort (); | |
2129 | } | |
2130 | else | |
ab648270 | 2131 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2132 | |
2133 | if (! NILP (bar->next)) | |
ab648270 | 2134 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2135 | |
ab648270 | 2136 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2137 | bar->prev = Qnil; |
ab648270 | 2138 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2139 | if (! NILP (bar->next)) |
ab648270 | 2140 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2141 | } |
f451eb13 JB |
2142 | } |
2143 | ||
ab648270 JB |
2144 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2145 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2146 | static void |
ab648270 | 2147 | XTjudge_scroll_bars (f) |
12ba150f | 2148 | FRAME_PTR f; |
f451eb13 | 2149 | { |
12ba150f | 2150 | Lisp_Object bar, next; |
f451eb13 | 2151 | |
ab648270 | 2152 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2153 | |
2154 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2155 | more events on the hapless scroll bars. */ |
2156 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2157 | |
2158 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2159 | { |
ab648270 | 2160 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2161 | |
ab648270 | 2162 | x_scroll_bar_remove (b); |
12ba150f JB |
2163 | |
2164 | next = b->next; | |
2165 | b->next = b->prev = Qnil; | |
f451eb13 | 2166 | } |
12ba150f | 2167 | |
ab648270 | 2168 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2169 | and they should get garbage-collected. */ |
f451eb13 JB |
2170 | } |
2171 | ||
2172 | ||
ab648270 JB |
2173 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2174 | ||
2175 | This may be called from a signal handler, so we have to ignore GC | |
2176 | mark bits. */ | |
f451eb13 | 2177 | static void |
ab648270 JB |
2178 | x_scroll_bar_expose (bar, event) |
2179 | struct scroll_bar *bar; | |
f451eb13 JB |
2180 | XEvent *event; |
2181 | { | |
ab648270 | 2182 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2183 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2184 | ||
f451eb13 JB |
2185 | BLOCK_INPUT; |
2186 | ||
ab648270 | 2187 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2188 | |
ab648270 | 2189 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2190 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2191 | |
2192 | /* x, y, width, height */ | |
12ba150f | 2193 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2194 | |
12ba150f JB |
2195 | /* Draw another line to make the extra-thick border on the right. */ |
2196 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2197 | |
12ba150f JB |
2198 | /* x, y, width, height */ |
2199 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2200 | |
2201 | UNBLOCK_INPUT; | |
2202 | } | |
2203 | ||
ab648270 JB |
2204 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2205 | is set to something other than no_event, it is enqueued. | |
2206 | ||
2207 | This may be called from a signal handler, so we have to ignore GC | |
2208 | mark bits. */ | |
f451eb13 | 2209 | static void |
ab648270 JB |
2210 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2211 | struct scroll_bar *bar; | |
f451eb13 JB |
2212 | XEvent *event; |
2213 | struct input_event *emacs_event; | |
2214 | { | |
ab648270 | 2215 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2216 | abort (); |
2217 | ||
ab648270 | 2218 | emacs_event->kind = scroll_bar_click; |
12ba150f | 2219 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 JB |
2220 | emacs_event->modifiers = |
2221 | (x_convert_modifiers (event->xbutton.state) | |
2222 | | (event->type == ButtonRelease | |
2223 | ? up_modifier | |
2224 | : down_modifier)); | |
12ba150f | 2225 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2226 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2227 | { |
2228 | int internal_height = | |
ab648270 | 2229 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2230 | int top_range = |
ab648270 JB |
2231 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2232 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2233 | |
2234 | if (y < 0) y = 0; | |
2235 | if (y > top_range) y = top_range; | |
2236 | ||
2237 | if (y < XINT (bar->start)) | |
ab648270 JB |
2238 | emacs_event->part = scroll_bar_above_handle; |
2239 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2240 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2241 | else |
ab648270 | 2242 | emacs_event->part = scroll_bar_below_handle; |
12ba150f JB |
2243 | |
2244 | /* If the user has just clicked on the handle, record where they're | |
2245 | holding it. */ | |
2246 | if (event->type == ButtonPress | |
ab648270 | 2247 | && emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2248 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
2249 | ||
2250 | /* If the user has released the handle, set it to its final position. */ | |
2251 | if (event->type == ButtonRelease | |
2252 | && ! NILP (bar->dragging)) | |
2253 | { | |
2254 | int new_start = y - XINT (bar->dragging); | |
2255 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2256 | |
ab648270 | 2257 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2258 | bar->dragging = Qnil; |
2259 | } | |
f451eb13 | 2260 | |
12ba150f JB |
2261 | /* Clicks on the handle are always reported as occuring at the top of |
2262 | the handle. */ | |
ab648270 | 2263 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2264 | emacs_event->x = bar->start; |
2265 | else | |
2266 | XSET (emacs_event->x, Lisp_Int, y); | |
f451eb13 | 2267 | |
12ba150f JB |
2268 | XSET (emacs_event->y, Lisp_Int, top_range); |
2269 | } | |
2270 | } | |
f451eb13 | 2271 | |
ab648270 JB |
2272 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2273 | ||
2274 | This may be called from a signal handler, so we have to ignore GC | |
2275 | mark bits. */ | |
f451eb13 | 2276 | static void |
ab648270 JB |
2277 | x_scroll_bar_note_movement (bar, event) |
2278 | struct scroll_bar *bar; | |
f451eb13 JB |
2279 | XEvent *event; |
2280 | { | |
2281 | last_mouse_movement_time = event->xmotion.time; | |
2282 | ||
2283 | mouse_moved = 1; | |
ab648270 | 2284 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2285 | |
2286 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2287 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2288 | { |
2289 | /* Where should the handle be now? */ | |
12ba150f | 2290 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2291 | |
12ba150f | 2292 | if (new_start != XINT (bar->start)) |
f451eb13 | 2293 | { |
12ba150f | 2294 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2295 | |
ab648270 | 2296 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2297 | } |
2298 | } | |
2299 | ||
2300 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2301 | moves and we can see *still* on the same position. */ | |
2302 | { | |
2303 | int dummy; | |
2304 | ||
2305 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2306 | (Window *) &dummy, (Window *) &dummy, | |
2307 | &dummy, &dummy, &dummy, &dummy, | |
2308 | (unsigned int *) &dummy); | |
2309 | } | |
2310 | } | |
2311 | ||
12ba150f | 2312 | /* Return information to the user about the current position of the mouse |
ab648270 | 2313 | on the scroll bar. */ |
12ba150f | 2314 | static void |
ab648270 | 2315 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2316 | FRAME_PTR *f; |
2317 | Lisp_Object *bar_window; | |
ab648270 | 2318 | enum scroll_bar_part *part; |
12ba150f JB |
2319 | Lisp_Object *x, *y; |
2320 | unsigned long *time; | |
2321 | { | |
ab648270 | 2322 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f JB |
2323 | int win_x, win_y; |
2324 | ||
cf7cb199 JB |
2325 | BLOCK_INPUT; |
2326 | ||
ab648270 | 2327 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f JB |
2328 | report that. */ |
2329 | { | |
2330 | Window dummy_window; | |
2331 | int dummy_coord; | |
2332 | unsigned int dummy_mask; | |
2333 | ||
2334 | if (! XQueryPointer (x_current_display, | |
ab648270 | 2335 | SCROLL_BAR_X_WINDOW (bar), |
12ba150f JB |
2336 | |
2337 | /* Root, child, root x and root y. */ | |
2338 | &dummy_window, &dummy_window, | |
2339 | &dummy_coord, &dummy_coord, | |
2340 | ||
ab648270 | 2341 | /* Position relative to scroll bar. */ |
12ba150f JB |
2342 | &win_x, &win_y, |
2343 | ||
2344 | /* Mouse buttons and modifier keys. */ | |
2345 | &dummy_mask)) | |
2346 | { | |
2347 | *f = 0; | |
cf7cb199 | 2348 | goto done; |
12ba150f JB |
2349 | } |
2350 | } | |
2351 | ||
2352 | { | |
ab648270 JB |
2353 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
2354 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
12ba150f | 2355 | |
ab648270 | 2356 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
2357 | |
2358 | if (! NILP (bar->dragging)) | |
2359 | win_y -= XINT (bar->dragging); | |
2360 | ||
2361 | if (win_y < 0) | |
2362 | win_y = 0; | |
2363 | if (win_y > top_range) | |
2364 | win_y = top_range; | |
2365 | ||
2366 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2367 | *bar_window = bar->window; | |
2368 | ||
2369 | if (! NILP (bar->dragging)) | |
ab648270 | 2370 | *part = scroll_bar_handle; |
12ba150f | 2371 | else if (win_y < XINT (bar->start)) |
ab648270 JB |
2372 | *part = scroll_bar_above_handle; |
2373 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2374 | *part = scroll_bar_handle; | |
12ba150f | 2375 | else |
ab648270 | 2376 | *part = scroll_bar_below_handle; |
12ba150f JB |
2377 | |
2378 | XSET (*x, Lisp_Int, win_y); | |
2379 | XSET (*y, Lisp_Int, top_range); | |
2380 | *time = last_mouse_movement_time; | |
2381 | } | |
2382 | ||
2383 | mouse_moved = 0; | |
ab648270 | 2384 | last_mouse_scroll_bar = Qnil; |
cf7cb199 JB |
2385 | |
2386 | done: | |
2387 | UNBLOCK_INPUT; | |
12ba150f JB |
2388 | } |
2389 | ||
f451eb13 | 2390 | |
dbc4e1c1 | 2391 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2392 | background colors, and the scroll bars may need to be redrawn. |
2393 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2394 | redraw them. */ |
2395 | ||
ab648270 | 2396 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2397 | FRAME_PTR f; |
2398 | { | |
2399 | Lisp_Object bar; | |
2400 | ||
ab648270 | 2401 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2402 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2403 | bar = XSCROLL_BAR (bar)->next) |
2404 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2405 | 0, 0, 0, 0, True); |
2406 | } | |
2407 | ||
2408 | ||
f451eb13 JB |
2409 | \f |
2410 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2411 | |
dc6f92b8 JB |
2412 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2413 | but we have to put it out here, since static variables within functions | |
2414 | sometimes don't work. */ | |
2415 | static Time enter_timestamp; | |
2416 | ||
11edeb03 JB |
2417 | /* This holds the state XLookupString needs to implement dead keys |
2418 | and other tricks known as "compose processing". _X Window System_ | |
2419 | says that a portable program can't use this, but Stephen Gildea assures | |
2420 | me that letting the compiler initialize it to zeros will work okay. | |
2421 | ||
2422 | This must be defined outside of XTread_socket, for the same reasons | |
2423 | given for enter_timestamp, above. */ | |
2424 | static XComposeStatus compose_status; | |
2425 | ||
c047688c JA |
2426 | /* Communication with window managers. */ |
2427 | Atom Xatom_wm_protocols; | |
2428 | ||
2429 | /* Kinds of protocol things we may receive. */ | |
2430 | Atom Xatom_wm_take_focus; | |
2431 | Atom Xatom_wm_save_yourself; | |
2432 | Atom Xatom_wm_delete_window; | |
2433 | ||
2434 | /* Other WM communication */ | |
2435 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2436 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2437 | ||
dc6f92b8 JB |
2438 | /* Read events coming from the X server. |
2439 | This routine is called by the SIGIO handler. | |
2440 | We return as soon as there are no more events to be read. | |
2441 | ||
2442 | Events representing keys are stored in buffer BUFP, | |
2443 | which can hold up to NUMCHARS characters. | |
2444 | We return the number of characters stored into the buffer, | |
2445 | thus pretending to be `read'. | |
2446 | ||
2447 | WAITP is nonzero if we should block until input arrives. | |
2448 | EXPECTED is nonzero if the caller knows input is available. */ | |
2449 | ||
7c5283e4 | 2450 | int |
dc6f92b8 JB |
2451 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2452 | register int sd; | |
2453 | register struct input_event *bufp; | |
2454 | register int numchars; | |
2455 | int waitp; | |
2456 | int expected; | |
2457 | { | |
2458 | int count = 0; | |
2459 | int nbytes = 0; | |
2460 | int mask; | |
2461 | int items_pending; /* How many items are in the X queue. */ | |
2462 | XEvent event; | |
f676886a | 2463 | struct frame *f; |
dc6f92b8 JB |
2464 | int event_found; |
2465 | int prefix; | |
2466 | Lisp_Object part; | |
2467 | ||
2468 | if (x_input_blocked) | |
2469 | { | |
2470 | x_pending_input = 1; | |
2471 | return -1; | |
2472 | } | |
2473 | ||
2474 | x_pending_input = 0; | |
2475 | BLOCK_INPUT; | |
2476 | ||
2477 | if (numchars <= 0) | |
2478 | abort (); /* Don't think this happens. */ | |
2479 | ||
2480 | #ifdef FIOSNBIO | |
2481 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2482 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2483 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2484 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2485 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2486 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2487 | |
2488 | #ifndef SIGIO | |
2489 | #ifndef HAVE_SELECT | |
2490 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2491 | { | |
2492 | extern int read_alarm_should_throw; | |
2493 | read_alarm_should_throw = 1; | |
2494 | XPeekEvent (XDISPLAY &event); | |
2495 | read_alarm_should_throw = 0; | |
2496 | } | |
c118dd06 JB |
2497 | #endif /* HAVE_SELECT */ |
2498 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2499 | |
2500 | while (XStuffPending () != 0) | |
2501 | { | |
2502 | XNextEvent (XDISPLAY &event); | |
2503 | event_found = 1; | |
2504 | ||
2505 | switch (event.type) | |
2506 | { | |
2507 | #ifdef HAVE_X11 | |
c047688c JA |
2508 | case ClientMessage: |
2509 | { | |
2510 | if (event.xclient.message_type == Xatom_wm_protocols | |
2511 | && event.xclient.format == 32) | |
2512 | { | |
2513 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2514 | { | |
f676886a JB |
2515 | f = x_window_to_frame (event.xclient.window); |
2516 | if (f) | |
2517 | x_focus_on_frame (f); | |
ab648270 | 2518 | /* Not certain about handling scroll bars here */ |
c047688c JA |
2519 | } |
2520 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2521 | { | |
2522 | /* Save state modify the WM_COMMAND property to | |
2523 | something which can reinstate us. This notifies | |
2524 | the session manager, who's looking for such a | |
2525 | PropertyNotify. Can restart processing when | |
2526 | a keyboard or mouse event arrives. */ | |
2527 | if (numchars > 0) | |
2528 | { | |
2529 | } | |
2530 | } | |
2531 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2532 | { | |
f676886a | 2533 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2534 | |
f676886a | 2535 | if (f) |
c047688c JA |
2536 | if (numchars > 0) |
2537 | { | |
2538 | } | |
2539 | } | |
2540 | } | |
2541 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2542 | { | |
2543 | } | |
2544 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2545 | { | |
2546 | int new_x, new_y; | |
2547 | ||
4357eba7 JB |
2548 | new_x = event.xclient.data.s[0]; |
2549 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2550 | } |
2551 | } | |
2552 | break; | |
dc6f92b8 JB |
2553 | |
2554 | case SelectionClear: /* Someone has grabbed ownership. */ | |
2555 | x_disown_selection (event.xselectionclear.window, | |
2556 | event.xselectionclear.selection, | |
2557 | event.xselectionclear.time); | |
2558 | break; | |
2559 | ||
2560 | case SelectionRequest: /* Someone wants our selection. */ | |
2561 | x_answer_selection_request (event); | |
2562 | break; | |
2563 | ||
2564 | case PropertyNotify: | |
28430d3c JB |
2565 | |
2566 | /* If we're being told about a root window property, then it's | |
2567 | a cut buffer change. */ | |
2568 | if (event.xproperty.window == ROOT_WINDOW) | |
2569 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2570 | ||
2571 | /* Otherwise, we're probably handling an incremental | |
2572 | selection transmission. */ | |
2573 | else | |
2574 | { | |
2575 | /* If we were to do this synchronously, there'd be no worry | |
2576 | about re-selecting. */ | |
2577 | x_send_incremental (event); | |
2578 | } | |
dc6f92b8 JB |
2579 | break; |
2580 | ||
2581 | case Expose: | |
f676886a JB |
2582 | f = x_window_to_frame (event.xexpose.window); |
2583 | if (f) | |
dc6f92b8 | 2584 | { |
3a88c238 | 2585 | if (f->async_visible == 0) |
dc6f92b8 | 2586 | { |
3a88c238 JB |
2587 | f->async_visible = 1; |
2588 | f->async_iconified = 0; | |
f676886a | 2589 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2590 | } |
2591 | else | |
f451eb13 JB |
2592 | { |
2593 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2594 | event.xexpose.x, event.xexpose.y, | |
2595 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2596 | } |
2597 | } | |
2598 | else | |
2599 | { | |
ab648270 JB |
2600 | struct scroll_bar *bar |
2601 | = x_window_to_scroll_bar (event.xexpose.window); | |
f451eb13 JB |
2602 | |
2603 | if (bar) | |
ab648270 | 2604 | x_scroll_bar_expose (bar, &event); |
dc6f92b8 JB |
2605 | } |
2606 | break; | |
2607 | ||
2608 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2609 | source area was obscured or not | |
2610 | available.*/ | |
f451eb13 JB |
2611 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2612 | if (f) | |
2613 | { | |
2614 | dumprectangle (f, | |
2615 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2616 | event.xgraphicsexpose.width, | |
2617 | event.xgraphicsexpose.height); | |
f451eb13 | 2618 | } |
dc6f92b8 JB |
2619 | break; |
2620 | ||
2621 | case NoExpose: /* This occurs when an XCopyArea's | |
2622 | source area was completely | |
2623 | available */ | |
2624 | break; | |
c118dd06 | 2625 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2626 | case ExposeWindow: |
2627 | if (event.subwindow != 0) | |
2628 | break; /* duplicate event */ | |
f676886a JB |
2629 | f = x_window_to_frame (event.window); |
2630 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2631 | { |
f676886a | 2632 | refreshicon (f); |
3a88c238 | 2633 | f->async_iconified = 1; |
dc6f92b8 | 2634 | } |
c118dd06 | 2635 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2636 | { |
2637 | /* Say must check all windows' needs_exposure flags. */ | |
2638 | expose_all_windows = 1; | |
f676886a | 2639 | f->display.x->needs_exposure = 1; |
3a88c238 | 2640 | f->async_visible = 1; |
dc6f92b8 JB |
2641 | } |
2642 | break; | |
2643 | ||
2644 | case ExposeRegion: | |
2645 | if (event.subwindow != 0) | |
2646 | break; /* duplicate event */ | |
f676886a JB |
2647 | f = x_window_to_frame (event.window); |
2648 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2649 | { |
f676886a | 2650 | refreshicon (f); |
dc6f92b8 JB |
2651 | break; |
2652 | } | |
2653 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2654 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2655 | break; |
2656 | /* Put the event on the queue of rectangles to redraw. */ | |
2657 | if (enqueue_event (&event, &x_expose_queue)) | |
2658 | /* If it is full, we can't record the rectangle, | |
2659 | so redraw this entire window. */ | |
2660 | { | |
2661 | /* Say must check all windows' needs_exposure flags. */ | |
2662 | expose_all_windows = 1; | |
f676886a | 2663 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2664 | } |
2665 | break; | |
2666 | ||
2667 | case ExposeCopy: | |
2668 | /* This should happen only when we are expecting it, | |
2669 | in x_read_exposes. */ | |
2670 | abort (); | |
c118dd06 | 2671 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2672 | |
2673 | #ifdef HAVE_X11 | |
2674 | case UnmapNotify: | |
f451eb13 JB |
2675 | f = x_window_to_frame (event.xunmap.window); |
2676 | if (f) /* F may no longer exist if | |
f676886a | 2677 | the frame was deleted. */ |
f451eb13 JB |
2678 | { |
2679 | /* While a frame is unmapped, display generation is | |
2680 | disabled; you don't want to spend time updating a | |
2681 | display that won't ever be seen. */ | |
2682 | f->async_visible = 0; | |
2683 | } | |
dc6f92b8 JB |
2684 | break; |
2685 | ||
2686 | case MapNotify: | |
f676886a JB |
2687 | f = x_window_to_frame (event.xmap.window); |
2688 | if (f) | |
dc6f92b8 | 2689 | { |
3a88c238 JB |
2690 | f->async_visible = 1; |
2691 | f->async_iconified = 0; | |
dc6f92b8 JB |
2692 | |
2693 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2694 | the frame's display structures. */ |
2695 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2696 | } |
2697 | break; | |
2698 | ||
2699 | /* Turn off processing if we become fully obscured. */ | |
2700 | case VisibilityNotify: | |
2701 | break; | |
2702 | ||
c118dd06 | 2703 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2704 | case UnmapWindow: |
f676886a JB |
2705 | f = x_window_to_frame (event.window); |
2706 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2707 | f->async_iconified = 0; |
c118dd06 | 2708 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2709 | f->async_visible = 0; |
dc6f92b8 | 2710 | break; |
c118dd06 | 2711 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2712 | |
2713 | #ifdef HAVE_X11 | |
2714 | case KeyPress: | |
f676886a | 2715 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2716 | |
f676886a | 2717 | if (f != 0) |
dc6f92b8 JB |
2718 | { |
2719 | KeySym keysym; | |
dc6f92b8 | 2720 | char copy_buffer[80]; |
64bb1782 RS |
2721 | int modifiers; |
2722 | ||
2723 | event.xkey.state |= extra_keyboard_modifiers; | |
2724 | modifiers = event.xkey.state; | |
3a2712f9 JB |
2725 | |
2726 | /* Some keyboards generate different characters | |
2727 | depending on the state of the meta key, in an attempt | |
2728 | to support non-English typists. It would be nice to | |
2729 | keep this functionality somehow, but for now, we will | |
2730 | just clear the meta-key flag to get the 'pure' character. */ | |
2731 | event.xkey.state &= ~Mod1Mask; | |
dc6f92b8 | 2732 | |
11edeb03 JB |
2733 | /* This will have to go some day... */ |
2734 | nbytes = | |
2735 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2736 | &compose_status); | |
dc6f92b8 | 2737 | |
55123275 JB |
2738 | /* Strip off the vendor-specific keysym bit, and take a shot |
2739 | at recognizing the codes. HP servers have extra keysyms | |
2740 | that fit into the MiscFunctionKey category. */ | |
2741 | keysym &= ~(1<<28); | |
2742 | ||
dc6f92b8 JB |
2743 | if (numchars > 1) |
2744 | { | |
a3c44b14 RS |
2745 | if ((keysym >= XK_BackSpace && keysym <= XK_Escape) |
2746 | || keysym == XK_Delete | |
2747 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
55123275 JB |
2748 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < 0xff80 */ |
2749 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ | |
2750 | || IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */ | |
dc6f92b8 JB |
2751 | { |
2752 | bufp->kind = non_ascii_keystroke; | |
a3c44b14 | 2753 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff00); |
12ba150f | 2754 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
3a2712f9 | 2755 | bufp->modifiers = x_convert_modifiers (modifiers); |
1113d9db | 2756 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2757 | bufp++; |
2758 | count++; | |
2759 | numchars--; | |
2760 | } | |
2761 | else if (numchars > nbytes) | |
2762 | { | |
2763 | register int i; | |
2764 | ||
2765 | if (nbytes == 1) | |
2766 | { | |
dc6f92b8 JB |
2767 | bufp->kind = ascii_keystroke; |
2768 | XSET (bufp->code, Lisp_Int, *copy_buffer); | |
12ba150f | 2769 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
80ec1ba2 | 2770 | bufp->modifiers = x_convert_modifiers (modifiers); |
1113d9db | 2771 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2772 | bufp++; |
2773 | } | |
2774 | else | |
2775 | for (i = nbytes - 1; i > 1; i--) | |
2776 | { | |
2777 | bufp->kind = ascii_keystroke; | |
2778 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); | |
12ba150f | 2779 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
80ec1ba2 | 2780 | bufp->modifiers = x_convert_modifiers (modifiers); |
1113d9db | 2781 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2782 | bufp++; |
2783 | } | |
2784 | ||
2785 | count += nbytes; | |
2786 | numchars -= nbytes; | |
2787 | } | |
2788 | } | |
2789 | } | |
2790 | break; | |
c118dd06 | 2791 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2792 | case KeyPressed: |
2793 | { | |
2794 | register char *where_mapping; | |
2795 | ||
f676886a | 2796 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2797 | /* Ignore keys typed on icon windows. */ |
f676886a | 2798 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2799 | break; |
2800 | where_mapping = XLookupMapping (&event, &nbytes); | |
2801 | /* Nasty fix for arrow keys */ | |
2802 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2803 | { | |
2804 | switch (event.detail & 0xff) | |
2805 | { | |
2806 | case KC_CURSOR_LEFT: | |
2807 | where_mapping = "\002"; | |
2808 | break; | |
2809 | case KC_CURSOR_RIGHT: | |
2810 | where_mapping = "\006"; | |
2811 | break; | |
2812 | case KC_CURSOR_UP: | |
2813 | where_mapping = "\020"; | |
2814 | break; | |
2815 | case KC_CURSOR_DOWN: | |
2816 | where_mapping = "\016"; | |
2817 | break; | |
2818 | } | |
2819 | nbytes = 1; | |
2820 | } | |
2821 | if (numchars - nbytes > 0) | |
2822 | { | |
2823 | register int i; | |
2824 | ||
2825 | for (i = 0; i < nbytes; i++) | |
2826 | { | |
2827 | bufp->kind = ascii_keystroke; | |
2828 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2829 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 2830 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
2831 | bufp++; |
2832 | } | |
2833 | count += nbytes; | |
2834 | numchars -= nbytes; | |
2835 | } | |
2836 | } | |
2837 | break; | |
c118dd06 | 2838 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2839 | |
2840 | #ifdef HAVE_X11 | |
f451eb13 JB |
2841 | |
2842 | /* Here's a possible interpretation of the whole | |
2843 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
2844 | FocusIn event, you have to get a FocusOut event before you | |
2845 | relinquish the focus. If you haven't received a FocusIn event, | |
2846 | then a mere LeaveNotify is enough to free you. */ | |
2847 | ||
dc6f92b8 | 2848 | case EnterNotify: |
f676886a | 2849 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 2850 | |
f451eb13 | 2851 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 2852 | { |
dc6f92b8 | 2853 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
2854 | if (f && (!(f->auto_raise) |
2855 | || !(f->auto_lower) | |
dc6f92b8 JB |
2856 | || (event.xcrossing.time - enter_timestamp) > 500)) |
2857 | { | |
f676886a | 2858 | x_new_focus_frame (f); |
dc6f92b8 JB |
2859 | enter_timestamp = event.xcrossing.time; |
2860 | } | |
dc6f92b8 | 2861 | } |
f676886a JB |
2862 | else if (f == x_focus_frame) |
2863 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2864 | |
2865 | break; | |
2866 | ||
2867 | case FocusIn: | |
f676886a | 2868 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2869 | if (event.xfocus.detail != NotifyPointer) |
2870 | x_focus_event_frame = f; | |
f676886a JB |
2871 | if (f) |
2872 | x_new_focus_frame (f); | |
dc6f92b8 JB |
2873 | break; |
2874 | ||
f451eb13 | 2875 | |
dc6f92b8 | 2876 | case LeaveNotify: |
f451eb13 | 2877 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 2878 | |
f451eb13 JB |
2879 | if (event.xcrossing.focus) |
2880 | { | |
2881 | if (! x_focus_event_frame) | |
2882 | x_new_focus_frame (0); | |
2883 | else | |
f676886a | 2884 | x_new_focus_frame (f); |
f451eb13 JB |
2885 | } |
2886 | else | |
2887 | { | |
2888 | if (f == x_focus_event_frame) | |
2889 | x_focus_event_frame = 0; | |
2890 | if (f == x_focus_frame) | |
f676886a | 2891 | x_new_focus_frame (0); |
dc6f92b8 JB |
2892 | } |
2893 | break; | |
2894 | ||
2895 | case FocusOut: | |
f676886a | 2896 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2897 | if (event.xfocus.detail != NotifyPointer |
2898 | && f == x_focus_event_frame) | |
2899 | x_focus_event_frame = 0; | |
f676886a JB |
2900 | if (f && f == x_focus_frame) |
2901 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2902 | break; |
2903 | ||
c118dd06 | 2904 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2905 | |
2906 | case EnterWindow: | |
2907 | if ((event.detail & 0xFF) == 1) | |
2908 | break; /* Coming from our own subwindow */ | |
2909 | if (event.subwindow != 0) | |
2910 | break; /* Entering our own subwindow. */ | |
2911 | ||
2912 | { | |
f676886a JB |
2913 | f = x_window_to_frame (event.window); |
2914 | x_mouse_frame = f; | |
dc6f92b8 | 2915 | |
f676886a | 2916 | x_new_focus_frame (f); |
dc6f92b8 JB |
2917 | } |
2918 | break; | |
2919 | ||
2920 | case LeaveWindow: | |
2921 | if ((event.detail & 0xFF) == 1) | |
2922 | break; /* Entering our own subwindow */ | |
2923 | if (event.subwindow != 0) | |
2924 | break; /* Leaving our own subwindow. */ | |
2925 | ||
f676886a JB |
2926 | x_mouse_frame = 0; |
2927 | if (x_focus_frame == 0 | |
2928 | && x_input_frame != 0 | |
2929 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 2930 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 2931 | { |
f676886a JB |
2932 | f = x_input_frame; |
2933 | x_input_frame = 0; | |
2934 | if (f) | |
2935 | frame_unhighlight (f); | |
dc6f92b8 JB |
2936 | } |
2937 | break; | |
c118dd06 | 2938 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2939 | |
2940 | #ifdef HAVE_X11 | |
2941 | case MotionNotify: | |
2942 | { | |
f676886a JB |
2943 | f = x_window_to_frame (event.xmotion.window); |
2944 | if (f) | |
12ba150f | 2945 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 2946 | else |
dc6f92b8 | 2947 | { |
ab648270 JB |
2948 | struct scroll_bar *bar = |
2949 | x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
2950 | |
2951 | if (bar) | |
ab648270 | 2952 | x_scroll_bar_note_movement (bar, &event); |
dc6f92b8 | 2953 | } |
dc6f92b8 JB |
2954 | } |
2955 | break; | |
2956 | ||
2957 | case ConfigureNotify: | |
dbc4e1c1 JB |
2958 | f = x_window_to_frame (event.xconfigure.window); |
2959 | if (f) | |
2960 | { | |
2961 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
2962 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
2963 | ||
2964 | /* Even if the number of character rows and columns has | |
2965 | not changed, the font size may have changed, so we need | |
2966 | to check the pixel dimensions as well. */ | |
2967 | if (columns != f->width | |
2968 | || rows != f->height | |
2969 | || event.xconfigure.width != f->display.x->pixel_width | |
2970 | || event.xconfigure.height != f->display.x->pixel_height) | |
2971 | { | |
2972 | change_frame_size (f, rows, columns, 0, 1); | |
2973 | SET_FRAME_GARBAGED (f); | |
2974 | } | |
dc6f92b8 | 2975 | |
dbc4e1c1 JB |
2976 | f->display.x->pixel_width = event.xconfigure.width; |
2977 | f->display.x->pixel_height = event.xconfigure.height; | |
2978 | f->display.x->left_pos = event.xconfigure.x; | |
2979 | f->display.x->top_pos = event.xconfigure.y; | |
2980 | } | |
2981 | break; | |
dc6f92b8 JB |
2982 | |
2983 | case ButtonPress: | |
2984 | case ButtonRelease: | |
2985 | { | |
2986 | /* If we decide we want to generate an event to be seen | |
2987 | by the rest of Emacs, we put it here. */ | |
2988 | struct input_event emacs_event; | |
2989 | emacs_event.kind = no_event; | |
2990 | ||
f676886a JB |
2991 | f = x_window_to_frame (event.xbutton.window); |
2992 | if (f) | |
f451eb13 JB |
2993 | { |
2994 | if (!x_focus_frame || (f == x_focus_frame)) | |
2995 | construct_mouse_click (&emacs_event, | |
b10fd412 | 2996 | &event, f); |
f451eb13 | 2997 | } |
dc6f92b8 | 2998 | else |
f451eb13 | 2999 | { |
ab648270 JB |
3000 | struct scroll_bar *bar = |
3001 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3002 | |
3003 | if (bar) | |
ab648270 | 3004 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
f451eb13 | 3005 | } |
dc6f92b8 JB |
3006 | |
3007 | if (numchars >= 1 && emacs_event.kind != no_event) | |
3008 | { | |
3009 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3010 | bufp++; | |
3011 | count++; | |
3012 | numchars--; | |
3013 | } | |
3014 | } | |
3015 | break; | |
3016 | ||
c118dd06 | 3017 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3018 | case ButtonPressed: |
3019 | case ButtonReleased: | |
f676886a JB |
3020 | f = x_window_to_frame (event.window); |
3021 | if (f) | |
dc6f92b8 | 3022 | { |
f676886a | 3023 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 3024 | { |
f676886a | 3025 | x_make_frame_visible (f); |
dc6f92b8 JB |
3026 | |
3027 | if (warp_mouse_on_deiconify) | |
c118dd06 | 3028 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
3029 | break; |
3030 | } | |
c118dd06 | 3031 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 3032 | { |
f676886a JB |
3033 | if (f->auto_raise) |
3034 | x_raise_frame (f); | |
dc6f92b8 JB |
3035 | } |
3036 | } | |
3037 | enqueue_event (&event, &x_mouse_queue); | |
3038 | if (numchars >= 2) | |
3039 | { | |
3040 | bufp->kind = ascii_keystroke; | |
3041 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 3042 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3043 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3044 | bufp++; |
3045 | ||
3046 | bufp->kind = ascii_keystroke; | |
3047 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 3048 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3049 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3050 | bufp++; |
3051 | ||
3052 | count += 2; | |
3053 | numchars -= 2; | |
3054 | } | |
3055 | break; | |
c118dd06 | 3056 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3057 | |
3058 | #ifdef HAVE_X11 | |
3059 | ||
3060 | case CirculateNotify: | |
3061 | break; | |
3062 | case CirculateRequest: | |
3063 | break; | |
3064 | ||
c118dd06 | 3065 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3066 | |
3067 | case MappingNotify: | |
11edeb03 JB |
3068 | /* Someone has changed the keyboard mapping - update the |
3069 | local cache. */ | |
3070 | switch (event.xmapping.request) | |
3071 | { | |
3072 | case MappingModifier: | |
3073 | x_find_modifier_meanings (); | |
3074 | /* This is meant to fall through. */ | |
3075 | case MappingKeyboard: | |
3076 | XRefreshKeyboardMapping (&event.xmapping); | |
3077 | } | |
dc6f92b8 JB |
3078 | break; |
3079 | ||
3080 | default: | |
3081 | break; | |
3082 | } | |
3083 | } | |
3084 | ||
3085 | #if 0 | |
3086 | #ifdef HAVE_SELECT | |
3087 | if (expected && ! event_found) | |
3088 | { | |
3089 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3090 | there is an EOF condition; in other words, that X has died. | |
3091 | Act as if there had been a hangup. */ | |
3092 | ||
3093 | int fd = ConnectionNumber (x_current_display); | |
3094 | int mask = 1 << fd; | |
3095 | ||
3096 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 3097 | (EMACS_TIME) 0) |
dc6f92b8 JB |
3098 | && !XStuffPending ()) |
3099 | kill (getpid (), SIGHUP); | |
3100 | } | |
c118dd06 JB |
3101 | #endif /* ! defined (HAVE_SELECT) */ |
3102 | #endif /* ! 0 */ | |
dc6f92b8 | 3103 | |
f451eb13 | 3104 | #ifndef HAVE_X11 |
f676886a | 3105 | if (updating_frame == 0) |
dc6f92b8 | 3106 | x_do_pending_expose (); |
f451eb13 | 3107 | #endif |
dc6f92b8 JB |
3108 | |
3109 | UNBLOCK_INPUT; | |
3110 | return count; | |
3111 | } | |
3112 | ||
3113 | #ifndef HAVE_X11 | |
3114 | /* Read and process only Expose events | |
3115 | until we get an ExposeCopy event; then return. | |
3116 | This is used in insert/delete line. | |
3117 | We assume input is already blocked. */ | |
3118 | ||
3119 | static void | |
3120 | x_read_exposes () | |
3121 | { | |
f676886a | 3122 | struct frame *f; |
dc6f92b8 JB |
3123 | XKeyPressedEvent event; |
3124 | ||
3125 | while (1) | |
3126 | { | |
3127 | /* while there are more events*/ | |
3128 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3129 | switch (event.type) | |
3130 | { | |
3131 | case ExposeWindow: | |
3132 | if (event.subwindow != 0) | |
3133 | break; /* duplicate event */ | |
f676886a JB |
3134 | f = x_window_to_frame (event.window); |
3135 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3136 | { |
f676886a | 3137 | refreshicon (f); |
dc6f92b8 JB |
3138 | break; |
3139 | } | |
c118dd06 | 3140 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3141 | { |
3142 | expose_all_windows = 1; | |
f676886a | 3143 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3144 | break; |
3145 | } | |
3146 | break; | |
3147 | ||
3148 | case ExposeRegion: | |
3149 | if (event.subwindow != 0) | |
3150 | break; /* duplicate event */ | |
f676886a JB |
3151 | f = x_window_to_frame (event.window); |
3152 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3153 | { |
f676886a | 3154 | refreshicon (f); |
dc6f92b8 JB |
3155 | break; |
3156 | } | |
3157 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3158 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3159 | break; |
3160 | /* Put the event on the queue of rectangles to redraw. */ | |
3161 | if (enqueue_event (&event, &x_expose_queue)) | |
3162 | /* If it is full, we can't record the rectangle, | |
3163 | so redraw this entire window. */ | |
3164 | { | |
3165 | /* Say must check all windows' needs_exposure flags. */ | |
3166 | expose_all_windows = 1; | |
f676886a | 3167 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3168 | } |
3169 | break; | |
3170 | ||
3171 | case ExposeCopy: | |
3172 | return; | |
3173 | } | |
3174 | } | |
3175 | } | |
3176 | #endif /* HAVE_X11 */ | |
3177 | ||
dc6f92b8 | 3178 | \f |
f451eb13 JB |
3179 | /* Drawing the cursor. */ |
3180 | ||
3181 | ||
dc6f92b8 JB |
3182 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3183 | ||
3184 | static void | |
f676886a JB |
3185 | x_draw_box (f) |
3186 | struct frame *f; | |
dc6f92b8 | 3187 | { |
12ba150f JB |
3188 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3189 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3190 | int width = FONT_WIDTH (f->display.x->font); |
3191 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3192 | |
3193 | #ifdef HAVE_X11 | |
c118dd06 | 3194 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3195 | f->display.x->cursor_gc, |
dc6f92b8 | 3196 | left, top, width - 1, height - 1); |
c118dd06 JB |
3197 | #else /* ! defined (HAVE_X11) */ |
3198 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3199 | left, top, width, 1, |
f676886a | 3200 | f->display.x->cursor_pixel); |
dc6f92b8 | 3201 | |
c118dd06 | 3202 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3203 | left, top, 1, height, |
f676886a | 3204 | f->display.x->cursor_pixel); |
dc6f92b8 | 3205 | |
c118dd06 | 3206 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3207 | left+width-1, top, 1, height, |
f676886a | 3208 | f->display.x->cursor_pixel); |
dc6f92b8 | 3209 | |
c118dd06 | 3210 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3211 | left, top+height-1, width, 1, |
f676886a | 3212 | f->display.x->cursor_pixel); |
c118dd06 | 3213 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3214 | } |
3215 | ||
f676886a | 3216 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3217 | and mark the cursor as not shown. |
3218 | This is used when the text where the cursor is | |
3219 | is about to be rewritten. */ | |
3220 | ||
3221 | static void | |
f676886a JB |
3222 | clear_cursor (f) |
3223 | struct frame *f; | |
dc6f92b8 JB |
3224 | { |
3225 | int mask; | |
3226 | ||
f451eb13 | 3227 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3228 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3229 | return; |
3230 | ||
3231 | #ifdef HAVE_X11 | |
f676886a | 3232 | x_display_cursor (f, 0); |
c118dd06 JB |
3233 | #else /* ! defined (HAVE_X11) */ |
3234 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3235 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3236 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3237 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3238 | f->display.x->background_pixel); | |
c118dd06 | 3239 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3240 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3241 | } |
3242 | ||
f676886a | 3243 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3244 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3245 | glyph drawn. */ | |
dc6f92b8 JB |
3246 | |
3247 | static void | |
f676886a JB |
3248 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3249 | struct frame *f; | |
dc6f92b8 | 3250 | int row, column; |
90e65f07 | 3251 | GLYPH glyph; |
dc6f92b8 JB |
3252 | int highlight; |
3253 | { | |
f676886a | 3254 | dumpglyphs (f, |
12ba150f JB |
3255 | CHAR_TO_PIXEL_COL (f, column), |
3256 | CHAR_TO_PIXEL_ROW (f, row), | |
f676886a | 3257 | &glyph, 1, highlight, f->display.x->font); |
dc6f92b8 JB |
3258 | } |
3259 | ||
dc6f92b8 | 3260 | static void |
dbc4e1c1 | 3261 | x_display_bar_cursor (f, on) |
f676886a | 3262 | struct frame *f; |
dc6f92b8 JB |
3263 | int on; |
3264 | { | |
f676886a | 3265 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3266 | |
dbc4e1c1 JB |
3267 | if (! FRAME_VISIBLE_P (f)) |
3268 | return; | |
3269 | ||
3270 | if (! on && f->phys_cursor_x < 0) | |
3271 | return; | |
3272 | ||
f676886a | 3273 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3274 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3275 | if (f != updating_frame) |
1113d9db | 3276 | { |
f676886a JB |
3277 | curs_x = FRAME_CURSOR_X (f); |
3278 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3279 | } |
3280 | ||
dbc4e1c1 JB |
3281 | /* If there is anything wrong with the current cursor state, remove it. */ |
3282 | if (f->phys_cursor_x >= 0 | |
3283 | && (!on | |
3284 | || f->phys_cursor_x != curs_x | |
3285 | || f->phys_cursor_y != curs_y | |
3286 | || f->display.x->current_cursor != bar_cursor)) | |
3287 | { | |
3288 | /* Erase the cursor by redrawing the character underneath it. */ | |
3289 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3290 | f->phys_cursor_glyph, | |
3291 | current_glyphs->highlight[f->phys_cursor_y]); | |
3292 | f->phys_cursor_x = -1; | |
3293 | } | |
3294 | ||
3295 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3296 | if (on | |
3297 | && (f->phys_cursor_x < 0 | |
3298 | || (f->display.x->current_cursor != bar_cursor))) | |
3299 | { | |
3300 | f->phys_cursor_glyph | |
3301 | = ((current_glyphs->enable[curs_y] | |
3302 | && curs_x < current_glyphs->used[curs_y]) | |
3303 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3304 | : SPACEGLYPH); | |
3305 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3306 | f->display.x->cursor_gc, | |
3307 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3308 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3309 | 1, FONT_HEIGHT (f->display.x->font)); | |
3310 | ||
3311 | f->phys_cursor_x = curs_x; | |
3312 | f->phys_cursor_y = curs_y; | |
3313 | ||
3314 | f->display.x->current_cursor = bar_cursor; | |
3315 | } | |
3316 | ||
3317 | if (updating_frame != f) | |
3318 | XFlushQueue (); | |
3319 | } | |
3320 | ||
3321 | ||
3322 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3323 | If ON is nonzero, where to put the cursor is specified | |
3324 | by F->cursor_x and F->cursor_y. */ | |
3325 | ||
3326 | static void | |
3327 | x_display_box_cursor (f, on) | |
3328 | struct frame *f; | |
3329 | int on; | |
3330 | { | |
3331 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3332 | ||
f451eb13 | 3333 | if (! FRAME_VISIBLE_P (f)) |
dc6f92b8 JB |
3334 | return; |
3335 | ||
3336 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3337 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3338 | return; |
3339 | ||
dbc4e1c1 JB |
3340 | /* If we're not updating, then we want to use the current frame's |
3341 | cursor position, not our local idea of where the cursor ought to be. */ | |
3342 | if (f != updating_frame) | |
3343 | { | |
3344 | curs_x = FRAME_CURSOR_X (f); | |
3345 | curs_y = FRAME_CURSOR_Y (f); | |
3346 | } | |
3347 | ||
dc6f92b8 JB |
3348 | /* If cursor is currently being shown and we don't want it to be |
3349 | or it is in the wrong place, | |
3350 | or we want a hollow box and it's not so, (pout!) | |
3351 | erase it. */ | |
f676886a | 3352 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3353 | && (!on |
f676886a JB |
3354 | || f->phys_cursor_x != curs_x |
3355 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3356 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3357 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3358 | { |
3359 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3360 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3361 | f->phys_cursor_glyph, | |
3362 | current_glyphs->highlight[f->phys_cursor_y]); | |
3363 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3364 | } |
3365 | ||
3366 | /* If we want to show a cursor, | |
3367 | or we want a box cursor and it's not so, | |
3368 | write it in the right place. */ | |
3369 | if (on | |
f676886a | 3370 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3371 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3372 | && f == x_highlight_frame))) |
dc6f92b8 | 3373 | { |
f676886a | 3374 | f->phys_cursor_glyph |
1113d9db JB |
3375 | = ((current_glyphs->enable[curs_y] |
3376 | && curs_x < current_glyphs->used[curs_y]) | |
3377 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3378 | : SPACEGLYPH); |
f676886a | 3379 | if (f != x_highlight_frame) |
dc6f92b8 | 3380 | { |
f676886a | 3381 | x_draw_box (f); |
dbc4e1c1 | 3382 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3383 | } |
3384 | else | |
3385 | { | |
f676886a JB |
3386 | x_draw_single_glyph (f, curs_y, curs_x, |
3387 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3388 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3389 | } |
3390 | ||
f676886a JB |
3391 | f->phys_cursor_x = curs_x; |
3392 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3393 | } |
3394 | ||
f676886a | 3395 | if (updating_frame != f) |
dc6f92b8 JB |
3396 | XFlushQueue (); |
3397 | } | |
3398 | ||
f676886a JB |
3399 | x_display_cursor (f, on) |
3400 | struct frame *f; | |
dc6f92b8 JB |
3401 | int on; |
3402 | { | |
dbc4e1c1 | 3403 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3404 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3405 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3406 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3407 | else |
3408 | /* Those are the only two we have implemented! */ | |
3409 | abort (); | |
dc6f92b8 JB |
3410 | } |
3411 | \f | |
3412 | /* Icons. */ | |
3413 | ||
f676886a | 3414 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3415 | when we get an expose event for it. */ |
3416 | ||
f676886a JB |
3417 | refreshicon (f) |
3418 | struct frame *f; | |
dc6f92b8 JB |
3419 | { |
3420 | #ifdef HAVE_X11 | |
3421 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3422 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3423 | int mask; |
3424 | ||
f676886a JB |
3425 | if (f->display.x->icon_bitmap_flag) |
3426 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3427 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3428 | icon_bitmap, GXcopy, AllPlanes); | |
3429 | else | |
3430 | { | |
f676886a | 3431 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3432 | struct Lisp_String *str; |
3433 | unsigned char *string; | |
3434 | ||
3435 | string | |
f676886a | 3436 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3437 | |
f676886a | 3438 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3439 | { |
f676886a JB |
3440 | f->display.x->icon_label = string; |
3441 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3442 | XQueryWidth (string, icon_font_info->id) + 10, |
3443 | icon_font_info->height + 10); | |
3444 | } | |
3445 | ||
f676886a | 3446 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3447 | str->size, icon_font_info->id, |
3448 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3449 | } | |
3450 | XFlushQueue (); | |
c118dd06 | 3451 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3452 | } |
3453 | ||
dbc4e1c1 | 3454 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
3455 | |
3456 | int | |
f676886a JB |
3457 | x_bitmap_icon (f) |
3458 | struct frame *f; | |
dc6f92b8 JB |
3459 | { |
3460 | int mask; | |
3461 | Window icon_window; | |
3462 | ||
c118dd06 | 3463 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3464 | return 1; |
3465 | ||
3466 | #ifdef HAVE_X11 | |
3467 | if (icon_bitmap) | |
3468 | XFreePixmap (x_current_display, icon_bitmap); | |
3469 | ||
3470 | icon_bitmap = | |
c118dd06 | 3471 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3472 | gnu_bits, gnu_width, gnu_height); |
f676886a JB |
3473 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3474 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3475 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3476 | if (f->display.x->icon_desc) |
dc6f92b8 | 3477 | { |
c118dd06 | 3478 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3479 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3480 | } |
3481 | ||
f676886a | 3482 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3483 | 0, 0, sink_width, sink_height, |
3484 | 2, WhitePixmap, (Pixmap) NULL); | |
3485 | ||
3486 | if (icon_window == 0) | |
3487 | return 1; | |
3488 | ||
c118dd06 | 3489 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3490 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3491 | ||
f676886a JB |
3492 | f->display.x->icon_desc = icon_window; |
3493 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3494 | |
3495 | if (icon_bitmap == 0) | |
3496 | icon_bitmap | |
3497 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3498 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3499 | |
3500 | return 0; | |
3501 | } | |
3502 | ||
3503 | ||
f676886a | 3504 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3505 | |
3506 | int | |
f676886a JB |
3507 | x_text_icon (f, icon_name) |
3508 | struct frame *f; | |
dc6f92b8 JB |
3509 | char *icon_name; |
3510 | { | |
3511 | #ifndef HAVE_X11 | |
3512 | int mask; | |
3513 | int width; | |
3514 | Window icon_window; | |
3515 | char *X_DefaultValue; | |
3516 | Bitmap b1; | |
3517 | ||
dc6f92b8 JB |
3518 | #ifndef WhitePixel |
3519 | #define WhitePixel 1 | |
c118dd06 | 3520 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3521 | |
3522 | #ifndef BlackPixel | |
3523 | #define BlackPixel 0 | |
c118dd06 JB |
3524 | #endif /* BlackPixel */ |
3525 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3526 | |
c118dd06 | 3527 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3528 | return 1; |
3529 | ||
dc6f92b8 JB |
3530 | #ifdef HAVE_X11 |
3531 | if (icon_name) | |
f676886a | 3532 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3533 | else |
f676886a JB |
3534 | if (! f->display.x->icon_label) |
3535 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3536 | |
c118dd06 | 3537 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3538 | (char *) f->display.x->icon_label); |
dc6f92b8 | 3539 | |
f676886a | 3540 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3541 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3542 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
3543 | if (icon_font_info == 0) |
3544 | icon_font_info | |
3545 | = XGetFont (XGetDefault (XDISPLAY | |
3546 | (char *) XSTRING (invocation_name)->data, | |
3547 | "BodyFont")); | |
3548 | ||
f676886a | 3549 | if (f->display.x->icon_desc) |
dc6f92b8 | 3550 | { |
c118dd06 | 3551 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3552 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3553 | } |
3554 | ||
3555 | if (icon_name) | |
f676886a | 3556 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3557 | else |
f676886a JB |
3558 | if (! f->display.x->icon_label) |
3559 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3560 | |
f676886a JB |
3561 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3562 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3563 | f->display.x->left_pos, | |
3564 | f->display.x->top_pos, | |
dc6f92b8 JB |
3565 | width + 10, icon_font_info->height + 10, |
3566 | 2, BlackPixmap, WhitePixmap); | |
3567 | ||
3568 | if (icon_window == 0) | |
3569 | return 1; | |
3570 | ||
c118dd06 | 3571 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3572 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3573 | ||
f676886a JB |
3574 | f->display.x->icon_desc = icon_window; |
3575 | f->display.x->icon_bitmap_flag = 0; | |
3576 | f->display.x->icon_label = 0; | |
c118dd06 | 3577 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3578 | |
3579 | return 0; | |
3580 | } | |
3581 | \f | |
4746118a JB |
3582 | /* Handling X errors. */ |
3583 | ||
12ba150f JB |
3584 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3585 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3586 | |
4746118a | 3587 | static SIGTYPE |
c118dd06 | 3588 | x_connection_closed () |
4746118a JB |
3589 | { |
3590 | if (_Xdebug) | |
3591 | abort (); | |
12ba150f JB |
3592 | |
3593 | shut_down_emacs (0); | |
3594 | ||
3595 | exit (70); | |
4746118a JB |
3596 | } |
3597 | ||
8922af5f JB |
3598 | /* An X error handler which prints an error message and then kills |
3599 | Emacs. This is what's normally installed as Xlib's handler for | |
3600 | protocol errors. */ | |
c118dd06 JB |
3601 | static int |
3602 | x_error_quitter (display, error) | |
3603 | Display *display; | |
3604 | XErrorEvent *error; | |
3605 | { | |
3606 | char buf[256]; | |
dc6f92b8 | 3607 | |
c118dd06 JB |
3608 | /* Note that there is no real way portable across R3/R4 to get the |
3609 | original error handler. */ | |
dc6f92b8 | 3610 | |
c118dd06 JB |
3611 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3612 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3613 | buf, error->request_code); | |
dc6f92b8 | 3614 | |
12ba150f JB |
3615 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3616 | get an X error, so we can figure out why it happened. */ | |
3617 | abort (); | |
3618 | ||
c118dd06 | 3619 | x_connection_closed (); |
dc6f92b8 JB |
3620 | } |
3621 | ||
8922af5f JB |
3622 | /* A handler for X IO errors which prints an error message and then |
3623 | kills Emacs. This is what is always installed as Xlib's handler | |
3624 | for I/O errors. */ | |
3625 | static int | |
3626 | x_io_error_quitter (display) | |
3627 | Display *display; | |
3628 | { | |
3629 | fprintf (stderr, "Connection to X server %s lost.\n", | |
3630 | XDisplayName (DisplayString (display))); | |
3631 | ||
3632 | /* While we're testing Emacs 19, we'll just dump core whenever we | |
3633 | get an X error, so we can figure out why it happened. */ | |
3634 | abort (); | |
3635 | ||
3636 | x_connection_closed (); | |
3637 | } | |
3638 | ||
c118dd06 JB |
3639 | /* A buffer for storing X error messages. */ |
3640 | static char (*x_caught_error_message)[200]; | |
3641 | ||
3642 | /* An X error handler which stores the error message in | |
3643 | x_caught_error_message. This is what's installed when | |
3644 | x_catch_errors is in effect. */ | |
3645 | static int | |
3646 | x_error_catcher (display, error) | |
3647 | Display *display; | |
3648 | XErrorEvent *error; | |
3649 | { | |
3650 | XGetErrorText (display, error->error_code, | |
3651 | *x_caught_error_message, sizeof (*x_caught_error_message)); | |
3652 | } | |
3653 | ||
3654 | ||
3655 | /* Begin trapping X errors. | |
dc6f92b8 | 3656 | |
c118dd06 JB |
3657 | After calling this function, X protocol errors no longer cause |
3658 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3659 | |
c118dd06 JB |
3660 | Calling x_check_errors signals an Emacs error if an X error has |
3661 | occurred since the last call to x_catch_errors or x_check_errors. | |
3662 | ||
3663 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3664 | ||
3665 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3666 | ||
3667 | void | |
3668 | x_catch_errors () | |
dc6f92b8 | 3669 | { |
c118dd06 JB |
3670 | /* Make sure any errors from previous requests have been dealt with. */ |
3671 | XSync (x_current_display, False); | |
dc6f92b8 | 3672 | |
c118dd06 JB |
3673 | /* Set up the error buffer. */ |
3674 | x_caught_error_message = | |
3675 | (char (*)[]) xmalloc (sizeof (*x_caught_error_message)); | |
d872b748 | 3676 | (*x_caught_error_message)[0] = '\0'; |
16bd92ea | 3677 | |
c118dd06 JB |
3678 | /* Install our little error handler. */ |
3679 | XHandleError (x_error_catcher); | |
3680 | } | |
16bd92ea | 3681 | |
c118dd06 JB |
3682 | /* If any X protocol errors have arrived since the last call to |
3683 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3684 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3685 | void | |
3686 | x_check_errors (format) | |
3687 | char *format; | |
3688 | { | |
3689 | /* Make sure to catch any errors incurred so far. */ | |
3690 | XSync (x_current_display, False); | |
16bd92ea | 3691 | |
c118dd06 JB |
3692 | if ((*x_caught_error_message)[0]) |
3693 | { | |
3694 | char buf[256]; | |
3695 | ||
3696 | sprintf (buf, format, *x_caught_error_message); | |
3697 | free (x_caught_error_message); | |
dc6f92b8 | 3698 | |
c118dd06 JB |
3699 | x_uncatch_errors (); |
3700 | error (buf); | |
3701 | } | |
3702 | } | |
3703 | ||
3704 | void | |
3705 | x_uncatch_errors () | |
3706 | { | |
3707 | free (x_caught_error_message); | |
3708 | XHandleError (x_error_quitter); | |
dc6f92b8 JB |
3709 | } |
3710 | ||
dc6f92b8 JB |
3711 | #if 0 |
3712 | static unsigned int x_wire_count; | |
3713 | x_trace_wire () | |
3714 | { | |
3715 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3716 | } | |
c118dd06 | 3717 | #endif /* ! 0 */ |
dc6f92b8 JB |
3718 | |
3719 | \f | |
f451eb13 JB |
3720 | /* Changing the font of the frame. */ |
3721 | ||
f676886a | 3722 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3723 | to the font named NEWNAME. This is safe to use |
f676886a | 3724 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3725 | |
3726 | #ifdef HAVE_X11 | |
3727 | ||
3728 | /* A table of all the fonts we have already loaded. */ | |
3729 | static XFontStruct **x_font_table; | |
3730 | ||
3731 | /* The current capacity of x_font_table. */ | |
3732 | static int x_font_table_size; | |
3733 | ||
3734 | /* The number of fonts actually stored in x_font_table. | |
3735 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3736 | 0 <= n_fonts <= x_font_table_size. */ | |
3737 | static int n_fonts; | |
3738 | ||
f676886a JB |
3739 | x_new_font (f, fontname) |
3740 | struct frame *f; | |
dc6f92b8 JB |
3741 | register char *fontname; |
3742 | { | |
3743 | XFontStruct *temp; | |
3744 | int already_loaded; | |
3745 | int n_matching_fonts; | |
3746 | XFontStruct *font_info; | |
3747 | char **font_names; | |
3748 | ||
3749 | /* Get a list of all the fonts that match this name. Once we | |
3750 | have a list of matching fonts, we compare them against the fonts | |
3751 | we already have by comparing font ids. */ | |
3752 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3753 | 1024, &n_matching_fonts, | |
3754 | &font_info); | |
3755 | /* If the server couldn't find any fonts whose named matched fontname, | |
3756 | return an error code. */ | |
3757 | if (n_matching_fonts == 0) | |
3758 | return 1; | |
3759 | ||
90e65f07 | 3760 | /* See if we've already loaded a matching font. */ |
dc6f92b8 JB |
3761 | { |
3762 | int i, j; | |
3763 | ||
3764 | already_loaded = 0; | |
3765 | for (i = 0; i < n_fonts; i++) | |
3766 | for (j = 0; j < n_matching_fonts; j++) | |
3767 | if (x_font_table[i]->fid == font_info[j].fid) | |
3768 | { | |
3769 | already_loaded = i; | |
3770 | goto found_font; | |
3771 | } | |
3772 | } | |
3773 | found_font: | |
3774 | ||
3775 | /* If we have, just return it from the table. */ | |
3776 | if (already_loaded) | |
f676886a | 3777 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3778 | |
dc6f92b8 JB |
3779 | /* Otherwise, load the font and add it to the table. */ |
3780 | else | |
3781 | { | |
3782 | XFontStruct *font; | |
3783 | ||
3784 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); | |
3785 | if (! font) | |
3786 | return 1; | |
3787 | ||
3788 | /* Do we need to create the table? */ | |
3789 | if (x_font_table_size == 0) | |
3790 | { | |
3791 | x_font_table_size = 16; | |
3792 | x_font_table | |
3793 | = (XFontStruct **) xmalloc (x_font_table_size | |
3794 | * sizeof (x_font_table[0])); | |
3795 | } | |
3796 | /* Do we need to grow the table? */ | |
3797 | else if (n_fonts >= x_font_table_size) | |
3798 | { | |
90e65f07 | 3799 | x_font_table_size *= 2; |
dc6f92b8 JB |
3800 | x_font_table |
3801 | = (XFontStruct **) xrealloc (x_font_table, | |
3802 | (x_font_table_size | |
3803 | * sizeof (x_font_table[0]))); | |
3804 | } | |
3805 | ||
f676886a | 3806 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
3807 | } |
3808 | ||
3809 | /* Free the information from XListFontsWithInfo. The data | |
3810 | we actually retain comes from XLoadQueryFont. */ | |
3811 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
3812 | ||
f676886a | 3813 | /* Now make the frame display the given font. */ |
c118dd06 | 3814 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 3815 | { |
f676886a JB |
3816 | XSetFont (x_current_display, f->display.x->normal_gc, |
3817 | f->display.x->font->fid); | |
3818 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
3819 | f->display.x->font->fid); | |
3820 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
3821 | f->display.x->font->fid); | |
3822 | ||
3823 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
3824 | } |
3825 | ||
3826 | return 0; | |
3827 | } | |
c118dd06 | 3828 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
3829 | x_new_font (f, newname) |
3830 | struct frame *f; | |
dc6f92b8 JB |
3831 | register char *newname; |
3832 | { | |
3833 | FONT_TYPE *temp; | |
3834 | int mask; | |
3835 | ||
3836 | temp = XGetFont (newname); | |
3837 | if (temp == (FONT_TYPE *) 0) | |
3838 | return 1; | |
3839 | ||
f676886a JB |
3840 | if (f->display.x->font) |
3841 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 3842 | |
f676886a | 3843 | f->display.x->font = temp; |
dc6f92b8 | 3844 | |
c118dd06 | 3845 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 3846 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
3847 | |
3848 | return 0; | |
3849 | } | |
c118dd06 | 3850 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3851 | \f |
f451eb13 JB |
3852 | /* X Window sizes and positions. */ |
3853 | ||
f676886a JB |
3854 | x_calc_absolute_position (f) |
3855 | struct frame *f; | |
dc6f92b8 JB |
3856 | { |
3857 | #ifdef HAVE_X11 | |
f676886a JB |
3858 | if (f->display.x->left_pos < 0) |
3859 | f->display.x->left_pos | |
7c5283e4 | 3860 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 3861 | |
f676886a JB |
3862 | if (f->display.x->top_pos < 0) |
3863 | f->display.x->top_pos | |
7c5283e4 | 3864 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 3865 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3866 | WINDOWINFO_TYPE parentinfo; |
3867 | ||
c118dd06 | 3868 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 3869 | |
f676886a JB |
3870 | if (f->display.x->left_pos < 0) |
3871 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
3872 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 3873 | |
f676886a JB |
3874 | if (f->display.x->top_pos < 0) |
3875 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
3876 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 3877 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3878 | } |
3879 | ||
f676886a JB |
3880 | x_set_offset (f, xoff, yoff) |
3881 | struct frame *f; | |
dc6f92b8 JB |
3882 | register int xoff, yoff; |
3883 | { | |
f676886a JB |
3884 | f->display.x->top_pos = yoff; |
3885 | f->display.x->left_pos = xoff; | |
3886 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
3887 | |
3888 | BLOCK_INPUT; | |
c118dd06 | 3889 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 3890 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 3891 | #ifdef HAVE_X11 |
f676886a | 3892 | x_wm_set_size_hint (f, 0); |
c118dd06 | 3893 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3894 | UNBLOCK_INPUT; |
3895 | } | |
3896 | ||
f676886a | 3897 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 3898 | |
f676886a JB |
3899 | x_set_window_size (f, cols, rows) |
3900 | struct frame *f; | |
b1c884c3 | 3901 | int cols, rows; |
dc6f92b8 JB |
3902 | { |
3903 | int pixelwidth, pixelheight; | |
3904 | int mask; | |
dc6f92b8 JB |
3905 | |
3906 | BLOCK_INPUT; | |
3907 | ||
b1c884c3 | 3908 | check_frame_size (f, &rows, &cols); |
ab648270 JB |
3909 | f->display.x->vertical_scroll_bar_extra = |
3910 | (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
3911 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
f451eb13 JB |
3912 | : 0); |
3913 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
3914 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
3915 | |
3916 | #ifdef HAVE_X11 | |
f676886a | 3917 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
3918 | #endif /* ! defined (HAVE_X11) */ |
3919 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
3920 | |
3921 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
3922 | but the window manager will get around to dealing with the size | |
3923 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
3924 | ConfigureNotify event gets here. |
3925 | ||
3926 | We could just not bother storing any of this information here, | |
3927 | and let the ConfigureNotify event set everything up, but that | |
3928 | might be kind of confusing to the lisp code, since size changes | |
3929 | wouldn't be reported in the frame parameters until some random | |
3930 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 3931 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
3932 | PIXEL_WIDTH (f) = pixelwidth; |
3933 | PIXEL_HEIGHT (f) = pixelheight; | |
3934 | ||
dbc4e1c1 JB |
3935 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
3936 | receive in the ConfigureNotify event; if we get what we asked | |
3937 | for, then the event won't cause the screen to become garbaged, so | |
3938 | we have to make sure to do it here. */ | |
3939 | SET_FRAME_GARBAGED (f); | |
3940 | ||
dc6f92b8 JB |
3941 | XFlushQueue (); |
3942 | UNBLOCK_INPUT; | |
3943 | } | |
3944 | ||
3945 | #ifndef HAVE_X11 | |
f676886a JB |
3946 | x_set_resize_hint (f) |
3947 | struct frame *f; | |
dc6f92b8 | 3948 | { |
12ba150f JB |
3949 | XSetResizeHint (FRAME_X_WINDOW (f), |
3950 | 2 * f->display.x->internal_border_width, | |
f676886a | 3951 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
3952 | FONT_WIDTH (f->display.x->font), |
3953 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 3954 | } |
c118dd06 | 3955 | #endif /* HAVE_X11 */ |
dc6f92b8 | 3956 | \f |
f451eb13 | 3957 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 3958 | |
f676886a JB |
3959 | x_set_mouse_position (f, x, y) |
3960 | struct frame *f; | |
dc6f92b8 JB |
3961 | int x, y; |
3962 | { | |
3963 | int pix_x, pix_y; | |
3964 | ||
f676886a | 3965 | x_raise_frame (f); |
dc6f92b8 | 3966 | |
12ba150f JB |
3967 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
3968 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
3969 | |
3970 | if (pix_x < 0) pix_x = 0; | |
3971 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
3972 | ||
3973 | if (pix_y < 0) pix_y = 0; | |
3974 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
3975 | |
3976 | BLOCK_INPUT; | |
dc6f92b8 | 3977 | |
c118dd06 | 3978 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
3979 | UNBLOCK_INPUT; |
3980 | } | |
3981 | ||
3982 | #ifdef HAVE_X11 | |
f676886a JB |
3983 | x_focus_on_frame (f) |
3984 | struct frame *f; | |
dc6f92b8 | 3985 | { |
f676886a | 3986 | x_raise_frame (f); |
6d4238f3 JB |
3987 | #if 0 |
3988 | /* I don't think that the ICCCM allows programs to do things like this | |
3989 | without the interaction of the window manager. Whatever you end up | |
f676886a | 3990 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 3991 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3992 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 3993 | #endif /* ! 0 */ |
dc6f92b8 JB |
3994 | } |
3995 | ||
f676886a JB |
3996 | x_unfocus_frame (f) |
3997 | struct frame *f; | |
dc6f92b8 | 3998 | { |
6d4238f3 | 3999 | #if 0 |
f676886a JB |
4000 | /* Look at the remarks in x_focus_on_frame. */ |
4001 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4002 | XSetInputFocus (x_current_display, PointerRoot, |
4003 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4004 | #endif /* ! 0 */ |
dc6f92b8 JB |
4005 | } |
4006 | ||
c118dd06 | 4007 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4008 | |
f676886a | 4009 | /* Raise frame F. */ |
dc6f92b8 | 4010 | |
f676886a JB |
4011 | x_raise_frame (f) |
4012 | struct frame *f; | |
dc6f92b8 | 4013 | { |
3a88c238 | 4014 | if (f->async_visible) |
dc6f92b8 JB |
4015 | { |
4016 | BLOCK_INPUT; | |
c118dd06 | 4017 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4018 | XFlushQueue (); |
4019 | UNBLOCK_INPUT; | |
4020 | } | |
4021 | } | |
4022 | ||
f676886a | 4023 | /* Lower frame F. */ |
dc6f92b8 | 4024 | |
f676886a JB |
4025 | x_lower_frame (f) |
4026 | struct frame *f; | |
dc6f92b8 | 4027 | { |
3a88c238 | 4028 | if (f->async_visible) |
dc6f92b8 JB |
4029 | { |
4030 | BLOCK_INPUT; | |
c118dd06 | 4031 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4032 | XFlushQueue (); |
4033 | UNBLOCK_INPUT; | |
4034 | } | |
4035 | } | |
4036 | ||
dbc4e1c1 JB |
4037 | static void |
4038 | XTframe_raise_lower (f, raise) | |
4039 | FRAME_PTR f; | |
4040 | int raise; | |
4041 | { | |
4042 | if (raise) | |
4043 | x_raise_frame (f); | |
4044 | else | |
4045 | x_lower_frame (f); | |
4046 | } | |
4047 | ||
4048 | ||
dc6f92b8 JB |
4049 | /* Change from withdrawn state to mapped state. */ |
4050 | ||
f676886a JB |
4051 | x_make_frame_visible (f) |
4052 | struct frame *f; | |
dc6f92b8 JB |
4053 | { |
4054 | int mask; | |
4055 | ||
dc6f92b8 | 4056 | BLOCK_INPUT; |
dc6f92b8 | 4057 | |
f676886a | 4058 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
4059 | { |
4060 | #ifdef HAVE_X11 | |
4061 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4062 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 4063 | |
c118dd06 | 4064 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
ab648270 | 4065 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
4066 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4067 | #else /* ! defined (HAVE_X11) */ | |
4068 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4069 | if (f->display.x->icon_desc != 0) |
4070 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4071 | |
90e65f07 | 4072 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4073 | f->async_visible = 1; |
4074 | f->async_iconified = 0; | |
dc6f92b8 | 4075 | |
f676886a | 4076 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4077 | XTcursor_to (0, 0); |
c118dd06 | 4078 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4079 | } |
dc6f92b8 | 4080 | |
dc6f92b8 | 4081 | XFlushQueue (); |
90e65f07 | 4082 | |
dc6f92b8 JB |
4083 | UNBLOCK_INPUT; |
4084 | } | |
4085 | ||
4086 | /* Change from mapped state to withdrawn state. */ | |
4087 | ||
f676886a JB |
4088 | x_make_frame_invisible (f) |
4089 | struct frame *f; | |
dc6f92b8 JB |
4090 | { |
4091 | int mask; | |
4092 | ||
3a88c238 | 4093 | if (! f->async_visible) |
dc6f92b8 JB |
4094 | return; |
4095 | ||
4096 | BLOCK_INPUT; | |
c118dd06 JB |
4097 | |
4098 | #ifdef HAVE_X11R4 | |
4099 | ||
4100 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
4101 | DefaultScreen (x_current_display))) | |
4102 | { | |
4103 | UNBLOCK_INPUT_RESIGNAL; | |
4104 | error ("can't notify window manager of window withdrawl"); | |
4105 | } | |
4106 | ||
4107 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4108 | #ifdef HAVE_X11 |
16bd92ea | 4109 | |
c118dd06 | 4110 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4111 | if (! EQ (Vx_no_window_manager, Qt)) |
4112 | { | |
16bd92ea | 4113 | XEvent unmap; |
dc6f92b8 | 4114 | |
16bd92ea | 4115 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 4116 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4117 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4118 | unmap.xunmap.from_configure = False; | |
4119 | if (! XSendEvent (x_current_display, | |
4120 | DefaultRootWindow (x_current_display), | |
4121 | False, | |
4122 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4123 | &unmap)) | |
4124 | { | |
4125 | UNBLOCK_INPUT_RESIGNAL; | |
4126 | error ("can't notify window manager of withdrawal"); | |
4127 | } | |
dc6f92b8 JB |
4128 | } |
4129 | ||
16bd92ea | 4130 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
4131 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
4132 | ||
4133 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 4134 | |
c118dd06 | 4135 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4136 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4137 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4138 | XUnmapWindow (f->display.x->icon_desc); |
4139 | ||
4140 | #endif /* ! defined (HAVE_X11) */ | |
4141 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4142 | |
4143 | XFlushQueue (); | |
4144 | UNBLOCK_INPUT; | |
4145 | } | |
4146 | ||
16bd92ea | 4147 | /* Window manager communication. Created in Fx_open_connection. */ |
dc6f92b8 JB |
4148 | extern Atom Xatom_wm_change_state; |
4149 | ||
4150 | /* Change window state from mapped to iconified. */ | |
4151 | ||
f676886a JB |
4152 | x_iconify_frame (f) |
4153 | struct frame *f; | |
dc6f92b8 JB |
4154 | { |
4155 | int mask; | |
4156 | ||
3a88c238 | 4157 | if (f->async_iconified) |
dc6f92b8 JB |
4158 | return; |
4159 | ||
4160 | BLOCK_INPUT; | |
4161 | ||
4162 | #ifdef HAVE_X11 | |
16bd92ea JB |
4163 | /* Since we don't know which revision of X we're running, we'll use both |
4164 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4165 | ||
4166 | /* X11R4: send a ClientMessage to the window manager using the | |
4167 | WM_CHANGE_STATE type. */ | |
4168 | { | |
4169 | XEvent message; | |
4170 | ||
c118dd06 | 4171 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4172 | message.xclient.type = ClientMessage; |
4173 | message.xclient.message_type = Xatom_wm_change_state; | |
4174 | message.xclient.format = 32; | |
4175 | message.xclient.data.l[0] = IconicState; | |
4176 | ||
4177 | if (! XSendEvent (x_current_display, | |
4178 | DefaultRootWindow (x_current_display), | |
4179 | False, | |
4180 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4181 | &message)) | |
dc6f92b8 JB |
4182 | { |
4183 | UNBLOCK_INPUT_RESIGNAL; | |
4184 | error ("Can't notify window manager of iconification."); | |
4185 | } | |
16bd92ea | 4186 | } |
dc6f92b8 | 4187 | |
16bd92ea JB |
4188 | /* X11R3: set the initial_state field of the window manager hints to |
4189 | IconicState. */ | |
4190 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4191 | |
3a88c238 | 4192 | f->async_iconified = 1; |
c118dd06 JB |
4193 | #else /* ! defined (HAVE_X11) */ |
4194 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4195 | |
3a88c238 | 4196 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4197 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4198 | { |
f676886a JB |
4199 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4200 | refreshicon (f); | |
dc6f92b8 | 4201 | } |
c118dd06 | 4202 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4203 | |
4204 | XFlushQueue (); | |
4205 | UNBLOCK_INPUT; | |
4206 | } | |
4207 | ||
c0ff3fab | 4208 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4209 | |
c0ff3fab | 4210 | x_destroy_window (f) |
f676886a | 4211 | struct frame *f; |
dc6f92b8 | 4212 | { |
dc6f92b8 | 4213 | BLOCK_INPUT; |
c0ff3fab JB |
4214 | |
4215 | if (f->display.x->icon_desc != 0) | |
4216 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4217 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
dc6f92b8 | 4218 | XFlushQueue (); |
dc6f92b8 | 4219 | |
c0ff3fab JB |
4220 | free (f->display.x); |
4221 | f->display.x = 0; | |
f676886a JB |
4222 | if (f == x_focus_frame) |
4223 | x_focus_frame = 0; | |
4224 | if (f == x_highlight_frame) | |
4225 | x_highlight_frame = 0; | |
c0ff3fab JB |
4226 | |
4227 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4228 | } |
4229 | \f | |
f451eb13 JB |
4230 | /* Manage event queues for X10. */ |
4231 | ||
dc6f92b8 JB |
4232 | #ifndef HAVE_X11 |
4233 | ||
4234 | /* Manage event queues. | |
4235 | ||
4236 | This code is only used by the X10 support. | |
4237 | ||
4238 | We cannot leave events in the X queue and get them when we are ready | |
4239 | because X does not provide a subroutine to get only a certain kind | |
4240 | of event but not block if there are no queued events of that kind. | |
4241 | ||
4242 | Therefore, we must examine events as they come in and copy events | |
4243 | of certain kinds into our private queues. | |
4244 | ||
4245 | All ExposeRegion events are put in x_expose_queue. | |
4246 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4247 | ||
4248 | ||
4249 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4250 | If the queue is full, do nothing, but return nonzero. */ | |
4251 | ||
4252 | int | |
4253 | enqueue_event (p_xrep, queue) | |
4254 | register XEvent *p_xrep; | |
4255 | register struct event_queue *queue; | |
4256 | { | |
4257 | int newindex = queue->windex + 1; | |
4258 | if (newindex == EVENT_BUFFER_SIZE) | |
4259 | newindex = 0; | |
4260 | if (newindex == queue->rindex) | |
4261 | return -1; | |
4262 | queue->xrep[queue->windex] = *p_xrep; | |
4263 | queue->windex = newindex; | |
4264 | return 0; | |
4265 | } | |
4266 | ||
4267 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4268 | If *QUEUE is empty, do nothing and return 0. */ | |
4269 | ||
4270 | int | |
4271 | dequeue_event (p_xrep, queue) | |
4272 | register XEvent *p_xrep; | |
4273 | register struct event_queue *queue; | |
4274 | { | |
4275 | if (queue->windex == queue->rindex) | |
4276 | return 0; | |
4277 | *p_xrep = queue->xrep[queue->rindex++]; | |
4278 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4279 | queue->rindex = 0; | |
4280 | return 1; | |
4281 | } | |
4282 | ||
4283 | /* Return the number of events buffered in *QUEUE. */ | |
4284 | ||
4285 | int | |
4286 | queue_event_count (queue) | |
4287 | register struct event_queue *queue; | |
4288 | { | |
4289 | int tem = queue->windex - queue->rindex; | |
4290 | if (tem >= 0) | |
4291 | return tem; | |
4292 | return EVENT_BUFFER_SIZE + tem; | |
4293 | } | |
4294 | ||
4295 | /* Return nonzero if mouse input is pending. */ | |
4296 | ||
4297 | int | |
4298 | mouse_event_pending_p () | |
4299 | { | |
4300 | return queue_event_count (&x_mouse_queue); | |
4301 | } | |
c118dd06 | 4302 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4303 | \f |
f451eb13 JB |
4304 | /* Setting window manager hints. */ |
4305 | ||
dc6f92b8 JB |
4306 | #ifdef HAVE_X11 |
4307 | ||
f676886a JB |
4308 | x_wm_set_size_hint (f, prompting) |
4309 | struct frame *f; | |
dc6f92b8 JB |
4310 | long prompting; |
4311 | { | |
4312 | XSizeHints size_hints; | |
c118dd06 | 4313 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 JB |
4314 | |
4315 | size_hints.flags = PResizeInc | PMinSize | PMaxSize; | |
4316 | ||
f676886a JB |
4317 | flexlines = f->height; |
4318 | ||
4319 | size_hints.x = f->display.x->left_pos; | |
4320 | size_hints.y = f->display.x->top_pos; | |
4321 | size_hints.height = PIXEL_HEIGHT (f); | |
4322 | size_hints.width = PIXEL_WIDTH (f); | |
4323 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4324 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
12ba150f JB |
4325 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4326 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f451eb13 | 4327 | |
b1c884c3 | 4328 | { |
b0342f17 JB |
4329 | int base_width, base_height; |
4330 | ||
f451eb13 JB |
4331 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4332 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4333 | |
4334 | { | |
4335 | int min_rows = 0, min_cols = 0; | |
4336 | check_frame_size (f, &min_rows, &min_cols); | |
4337 | ||
4338 | /* The window manager uses the base width hints to calculate the | |
4339 | current number of rows and columns in the frame while | |
4340 | resizing; min_width and min_height aren't useful for this | |
4341 | purpose, since they might not give the dimensions for a | |
4342 | zero-row, zero-column frame. | |
4343 | ||
4344 | We use the base_width and base_height members if we have | |
4345 | them; otherwise, we set the min_width and min_height members | |
4346 | to the size for a zero x zero frame. */ | |
4347 | ||
4348 | #ifdef HAVE_X11R4 | |
4349 | size_hints.flags |= PBaseSize; | |
4350 | size_hints.base_width = base_width; | |
4351 | size_hints.base_height = base_height; | |
4352 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4353 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4354 | #else | |
4355 | size_hints.min_width = base_width; | |
4356 | size_hints.min_height = base_height; | |
4357 | #endif | |
4358 | } | |
b1c884c3 | 4359 | |
b1c884c3 | 4360 | } |
dc6f92b8 JB |
4361 | |
4362 | if (prompting) | |
4363 | size_hints.flags |= prompting; | |
4364 | else | |
4365 | { | |
4366 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4367 | ||
4368 | XGetNormalHints (x_current_display, window, &hints); | |
4369 | if (hints.flags & PSize) | |
4370 | size_hints.flags |= PSize; | |
4371 | if (hints.flags & PPosition) | |
4372 | size_hints.flags |= PPosition; | |
4373 | if (hints.flags & USPosition) | |
4374 | size_hints.flags |= USPosition; | |
4375 | if (hints.flags & USSize) | |
4376 | size_hints.flags |= USSize; | |
4377 | } | |
16bd92ea | 4378 | |
b0342f17 JB |
4379 | #ifdef HAVE_X11R4 |
4380 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4381 | #else | |
dc6f92b8 | 4382 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4383 | #endif |
dc6f92b8 JB |
4384 | } |
4385 | ||
4386 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4387 | x_wm_set_window_state (f, state) |
4388 | struct frame *f; | |
dc6f92b8 JB |
4389 | int state; |
4390 | { | |
c118dd06 | 4391 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4392 | |
16bd92ea JB |
4393 | f->display.x->wm_hints.flags |= StateHint; |
4394 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4395 | |
16bd92ea | 4396 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4397 | } |
4398 | ||
f676886a JB |
4399 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4400 | struct frame *f; | |
dc6f92b8 JB |
4401 | Pixmap icon_pixmap; |
4402 | { | |
c118dd06 | 4403 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4404 | |
dbc4e1c1 JB |
4405 | if (icon_pixmap) |
4406 | { | |
4407 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
4408 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
4409 | } | |
4410 | else | |
4411 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 4412 | |
16bd92ea | 4413 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4414 | } |
4415 | ||
f676886a JB |
4416 | x_wm_set_icon_position (f, icon_x, icon_y) |
4417 | struct frame *f; | |
dc6f92b8 JB |
4418 | int icon_x, icon_y; |
4419 | { | |
c118dd06 | 4420 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4421 | |
16bd92ea JB |
4422 | f->display.x->wm_hints.flags |= IconPositionHint; |
4423 | f->display.x->wm_hints.icon_x = icon_x; | |
4424 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4425 | |
16bd92ea | 4426 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4427 | } |
4428 | ||
4429 | \f | |
f451eb13 JB |
4430 | /* Initialization. */ |
4431 | ||
dc6f92b8 JB |
4432 | void |
4433 | x_term_init (display_name) | |
4434 | char *display_name; | |
4435 | { | |
f676886a | 4436 | Lisp_Object frame; |
dc6f92b8 JB |
4437 | char *defaultvalue; |
4438 | #ifdef F_SETOWN | |
4439 | extern int old_fcntl_owner; | |
c118dd06 | 4440 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4441 | |
f676886a | 4442 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4443 | |
4444 | x_current_display = XOpenDisplay (display_name); | |
4445 | if (x_current_display == 0) | |
4446 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4447 | display_name); | |
4448 | ||
4449 | #ifdef HAVE_X11 | |
4450 | { | |
16bd92ea | 4451 | int hostname_size = 256; |
60fb3ee1 JB |
4452 | |
4453 | hostname = (char *) xmalloc (hostname_size); | |
4454 | ||
dc6f92b8 JB |
4455 | #if 0 |
4456 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4457 | #endif /* ! 0 */ |
dc6f92b8 | 4458 | |
55123275 | 4459 | invocation_name = Ffile_name_nondirectory (Fcar (Vcommand_line_args)); |
60fb3ee1 JB |
4460 | |
4461 | /* Try to get the host name; if the buffer is too short, try | |
4462 | again. Apparently, the only indication gethostname gives of | |
4463 | whether the buffer was large enough is the presence or absence | |
4464 | of a '\0' in the string. Eech. */ | |
4465 | for (;;) | |
4466 | { | |
4467 | gethostname (hostname, hostname_size - 1); | |
4468 | hostname[hostname_size - 1] = '\0'; | |
4469 | ||
4470 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4471 | if (strlen (hostname) < hostname_size - 1) | |
4472 | break; | |
4473 | ||
4474 | hostname_size <<= 1; | |
4475 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4476 | } | |
4477 | x_id_name = (char *) xmalloc (XSTRING (invocation_name)->size | |
4478 | + strlen (hostname) | |
4479 | + 2); | |
4480 | sprintf (x_id_name, "%s@%s", XSTRING (invocation_name)->data, hostname); | |
dc6f92b8 | 4481 | } |
28430d3c JB |
4482 | |
4483 | /* Figure out which modifier bits mean what. */ | |
4484 | x_find_modifier_meanings (); | |
f451eb13 | 4485 | |
ab648270 JB |
4486 | /* Get the scroll bar cursor. */ |
4487 | x_vertical_scroll_bar_cursor = | |
f451eb13 JB |
4488 | XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); |
4489 | ||
28430d3c JB |
4490 | /* Watch for PropertyNotify events on the root window; we use them |
4491 | to figure out when to invalidate our cache of the cut buffers. */ | |
4492 | x_watch_cut_buffer_cache (); | |
4493 | ||
dc6f92b8 | 4494 | dup2 (ConnectionNumber (x_current_display), 0); |
6d4238f3 JB |
4495 | |
4496 | #ifndef SYSV_STREAMS | |
4497 | /* Streams somehow keeps track of which descriptor number | |
4498 | is being used to talk to X. So it is not safe to substitute | |
4499 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
dc6f92b8 | 4500 | close (ConnectionNumber (x_current_display)); |
6d4238f3 JB |
4501 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? |
4502 | * check the def of the macro; | |
4503 | * it is a genuine lvalue */ | |
c118dd06 | 4504 | #endif /* SYSV_STREAMS */ |
6d4238f3 | 4505 | |
c118dd06 | 4506 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4507 | |
4508 | #ifdef F_SETOWN | |
4509 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4510 | #ifdef F_SETOWN_SOCK_NEG | |
4511 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4512 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4513 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4514 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4515 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4516 | |
4517 | #ifdef SIGIO | |
4518 | init_sigio (); | |
c118dd06 | 4519 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4520 | |
4521 | /* Must use interrupt input because we cannot otherwise | |
4522 | arrange for C-g to be noticed immediately. | |
4523 | We cannot connect it to SIGINT. */ | |
4524 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4525 | ||
4526 | expose_all_windows = 0; | |
4527 | ||
f676886a | 4528 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4529 | clear_end_of_line_hook = XTclear_end_of_line; |
4530 | ins_del_lines_hook = XTins_del_lines; | |
4531 | change_line_highlight_hook = XTchange_line_highlight; | |
4532 | insert_glyphs_hook = XTinsert_glyphs; | |
4533 | write_glyphs_hook = XTwrite_glyphs; | |
4534 | delete_glyphs_hook = XTdelete_glyphs; | |
4535 | ring_bell_hook = XTring_bell; | |
4536 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4537 | set_terminal_modes_hook = XTset_terminal_modes; | |
4538 | update_begin_hook = XTupdate_begin; | |
4539 | update_end_hook = XTupdate_end; | |
4540 | set_terminal_window_hook = XTset_terminal_window; | |
4541 | read_socket_hook = XTread_socket; | |
4542 | cursor_to_hook = XTcursor_to; | |
4543 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4544 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4545 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 4546 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
4547 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
4548 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
4549 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
4550 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 4551 | |
f676886a | 4552 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4553 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4554 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4555 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4556 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4557 | off the bottom */ |
4558 | baud_rate = 19200; | |
4559 | ||
c118dd06 JB |
4560 | /* Note that there is no real way portable across R3/R4 to get the |
4561 | original error handler. */ | |
4562 | XHandleError (x_error_quitter); | |
8922af5f | 4563 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
4564 | |
4565 | /* Disable Window Change signals; they are handled by X events. */ | |
4566 | #ifdef SIGWINCH | |
4567 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4568 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4569 | |
c118dd06 | 4570 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4571 | } |
55123275 JB |
4572 | |
4573 | void | |
4574 | syms_of_xterm () | |
4575 | { | |
4576 | staticpro (&invocation_name); | |
4577 | invocation_name = Qnil; | |
12ba150f | 4578 | |
ab648270 | 4579 | staticpro (&last_mouse_scroll_bar); |
55123275 | 4580 | } |
c118dd06 JB |
4581 | #endif /* ! defined (HAVE_X11) */ |
4582 | #endif /* ! defined (HAVE_X_WINDOWS) */ |