Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
12ba150f | 2 | Copyright (C) 1989, 1992, 1993 Free Software Foundation, Inc. |
dc6f92b8 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
4746118a | 8 | the Free Software Foundation; either version 2, or (at your option) |
dc6f92b8 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | /* Serious problems: | |
21 | ||
22 | Kludge: dup2 is used to put the X-connection socket into desc # 0 | |
23 | so that wait_reading_process_input will wait for it in place of | |
24 | actual terminal input. | |
25 | ||
26 | */ | |
27 | ||
28 | #include "config.h" | |
29 | ||
30 | #ifdef HAVE_X_WINDOWS | |
31 | ||
32 | #include "lisp.h" | |
dc6f92b8 | 33 | |
54c908b5 JB |
34 | /* On 4.3 these lose if they come after xterm.h. */ |
35 | #include <stdio.h> | |
dc6f92b8 JB |
36 | #include <signal.h> |
37 | ||
38 | /* This may include sys/types.h, and that somehow loses | |
39 | if this is not done before the other system files. */ | |
40 | #include "xterm.h" | |
f451eb13 | 41 | #include <X11/cursorfont.h> |
dc6f92b8 | 42 | |
16bd92ea | 43 | #ifndef USG |
dc6f92b8 JB |
44 | /* Load sys/types.h if not already loaded. |
45 | In some systems loading it twice is suicidal. */ | |
46 | #ifndef makedev | |
47 | #include <sys/types.h> | |
c118dd06 JB |
48 | #endif /* makedev */ |
49 | #endif /* USG */ | |
dc6f92b8 JB |
50 | |
51 | #ifdef BSD | |
52 | #include <sys/ioctl.h> | |
53 | #include <strings.h> | |
c118dd06 | 54 | #else /* ! defined (BSD) */ |
dc6f92b8 JB |
55 | #include <sys/termio.h> |
56 | #include <string.h> | |
c118dd06 | 57 | #endif /* ! defined (BSD) */ |
dc6f92b8 JB |
58 | |
59 | /* Allow m- file to inhibit use of FIONREAD. */ | |
60 | #ifdef BROKEN_FIONREAD | |
61 | #undef FIONREAD | |
c118dd06 | 62 | #endif /* ! defined (BROKEN_FIONREAD) */ |
dc6f92b8 JB |
63 | |
64 | /* We are unable to use interrupts if FIONREAD is not available, | |
65 | so flush SIGIO so we won't try. */ | |
66 | #ifndef FIONREAD | |
67 | #ifdef SIGIO | |
68 | #undef SIGIO | |
c118dd06 JB |
69 | #endif /* ! defined (SIGIO) */ |
70 | #endif /* FIONREAD */ | |
dc6f92b8 | 71 | |
3a2712f9 | 72 | #include "systime.h" |
dc6f92b8 JB |
73 | |
74 | #include <fcntl.h> | |
dc6f92b8 JB |
75 | #include <ctype.h> |
76 | #include <errno.h> | |
77 | #include <setjmp.h> | |
78 | #include <sys/stat.h> | |
79 | #include <sys/param.h> | |
80 | ||
81 | #include "dispextern.h" | |
82 | #include "termhooks.h" | |
83 | #include "termopts.h" | |
84 | #include "termchar.h" | |
85 | #if 0 | |
86 | #include "sink.h" | |
87 | #include "sinkmask.h" | |
c118dd06 | 88 | #endif /* ! 0 */ |
dc6f92b8 | 89 | #include "gnu.h" |
f676886a | 90 | #include "frame.h" |
dc6f92b8 | 91 | #include "disptab.h" |
dc6f92b8 | 92 | #include "buffer.h" |
f451eb13 | 93 | #include "window.h" |
dc6f92b8 JB |
94 | |
95 | #ifdef HAVE_X11 | |
96 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 97 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
98 | #include <X/Xkeyboard.h> |
99 | /*#include <X/Xproto.h> */ | |
c118dd06 | 100 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
101 | |
102 | /* For sending Meta-characters. Do we need this? */ | |
103 | #define METABIT 0200 | |
104 | ||
105 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
106 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
107 | ||
108 | /* Nonzero means we must reprint all windows | |
109 | because 1) we received an ExposeWindow event | |
f451eb13 | 110 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 111 | |
f451eb13 | 112 | This is never needed under X11. */ |
dc6f92b8 JB |
113 | static int expose_all_windows; |
114 | ||
115 | /* Nonzero means we must reprint all icon windows. */ | |
116 | ||
117 | static int expose_all_icons; | |
118 | ||
119 | #ifndef HAVE_X11 | |
120 | /* ExposeRegion events, when received, are copied into this queue | |
121 | for later processing. */ | |
122 | ||
123 | static struct event_queue x_expose_queue; | |
124 | ||
125 | /* ButtonPressed and ButtonReleased events, when received, | |
126 | are copied into this queue for later processing. */ | |
127 | ||
128 | struct event_queue x_mouse_queue; | |
c118dd06 | 129 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
130 | |
131 | /* Nonzero after BLOCK_INPUT; prevents input events from being | |
132 | processed until later. */ | |
133 | ||
134 | int x_input_blocked; | |
135 | ||
136 | #if defined (SIGIO) && defined (FIONREAD) | |
137 | int BLOCK_INPUT_mask; | |
c118dd06 | 138 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 JB |
139 | |
140 | /* Nonzero if input events came in while x_input_blocked was nonzero. | |
141 | UNBLOCK_INPUT checks for this. */ | |
142 | ||
143 | int x_pending_input; | |
144 | ||
dc6f92b8 JB |
145 | /* The id of a bitmap used for icon windows. |
146 | One such map is shared by all Emacs icon windows. | |
147 | This is zero if we have not yet had a need to create the bitmap. */ | |
148 | ||
149 | static Bitmap icon_bitmap; | |
150 | ||
151 | /* Font used for text icons. */ | |
152 | ||
153 | static FONT_TYPE *icon_font_info; | |
154 | ||
155 | /* Stuff for dealing with the main icon title. */ | |
156 | ||
157 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 158 | char *hostname, *x_id_name; |
55123275 | 159 | Lisp_Object invocation_name; |
dc6f92b8 JB |
160 | |
161 | /* This is the X connection that we are using. */ | |
162 | ||
163 | Display *x_current_display; | |
164 | ||
f451eb13 JB |
165 | /* The cursor to use for vertical scrollbars on x_current_display. */ |
166 | static Cursor x_vertical_scrollbar_cursor; | |
167 | ||
f676886a | 168 | /* Frame being updated by update_frame. */ |
dc6f92b8 JB |
169 | /* This is set by XTupdate_begin and looked at by all the |
170 | XT functions. It is zero while not inside an update. | |
f676886a JB |
171 | In that case, the XT functions assume that `selected_frame' |
172 | is the frame to apply to. */ | |
dc6f92b8 | 173 | |
f676886a | 174 | static struct frame *updating_frame; |
dc6f92b8 | 175 | |
f676886a | 176 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
177 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
178 | that a mere EnterNotify event can set this; if you need to know the | |
179 | last frame specified in a FocusIn or FocusOut event, use | |
180 | x_focus_event_frame. */ | |
f676886a | 181 | struct frame *x_focus_frame; |
dc6f92b8 | 182 | |
f451eb13 JB |
183 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
184 | separate from x_focus_frame, because whether or not LeaveNotify | |
185 | events cause us to lose focus depends on whether or not we have | |
186 | received a FocusIn event for it. */ | |
187 | struct frame *x_focus_event_frame; | |
188 | ||
f676886a JB |
189 | /* The frame which currently has the visual highlight, and should get |
190 | keyboard input (other sorts of input have the frame encoded in the | |
191 | event). It points to the X focus frame's selected window's | |
192 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 193 | minibuffer. */ |
f676886a | 194 | static struct frame *x_highlight_frame; |
6d4238f3 | 195 | |
dc6f92b8 | 196 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 197 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
198 | |
199 | static int warp_mouse_on_deiconify; | |
200 | ||
201 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
202 | ||
203 | static int flexlines; | |
204 | ||
205 | /* During an update, nonzero if chars output now should be highlighted. */ | |
206 | ||
207 | static int highlight; | |
208 | ||
209 | /* Nominal cursor position -- where to draw output. | |
210 | During an update, these are different from the cursor-box position. */ | |
211 | ||
212 | static int curs_x; | |
213 | static int curs_y; | |
214 | ||
215 | #ifdef HAVE_X11 | |
216 | /* `t' if a mouse button is depressed. */ | |
217 | ||
218 | extern Lisp_Object Vmouse_depressed; | |
219 | ||
220 | /* Tells if a window manager is present or not. */ | |
221 | ||
222 | extern Lisp_Object Vx_no_window_manager; | |
223 | ||
224 | /* Timestamp that we requested selection data was made. */ | |
225 | extern Time requestor_time; | |
226 | ||
227 | /* ID of the window requesting selection data. */ | |
228 | extern Window requestor_window; | |
229 | ||
230 | /* Nonzero enables some debugging for the X interface code. */ | |
231 | extern int _Xdebug; | |
232 | ||
c118dd06 | 233 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
234 | |
235 | /* Bit patterns for the mouse cursor. */ | |
236 | ||
237 | short MouseCursor[] = { | |
238 | 0x0000, 0x0008, 0x0018, 0x0038, | |
239 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
240 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
241 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
242 | ||
243 | short MouseMask[] = { | |
244 | 0x000c, 0x001c, 0x003c, 0x007c, | |
245 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
246 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
247 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
248 | ||
249 | static short grey_bits[] = { | |
250 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
251 | ||
252 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 253 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
254 | |
255 | /* From time to time we get info on an Emacs window, here. */ | |
256 | ||
257 | static WINDOWINFO_TYPE windowinfo; | |
258 | ||
259 | extern int errno; | |
260 | ||
dc6f92b8 JB |
261 | extern Display *XOpenDisplay (); |
262 | extern Window XCreateWindow (); | |
263 | ||
264 | extern Cursor XCreateCursor (); | |
265 | extern FONT_TYPE *XOpenFont (); | |
266 | ||
267 | static void flashback (); | |
268 | ||
269 | #ifndef HAVE_X11 | |
270 | static void dumpqueue (); | |
c118dd06 | 271 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
272 | |
273 | void dumpborder (); | |
4746118a JB |
274 | static int XTcursor_to (); |
275 | static int XTclear_end_of_line (); | |
16bd92ea JB |
276 | |
277 | \f | |
f451eb13 JB |
278 | /* Starting and ending updates. |
279 | ||
280 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
281 | of a frame update. We record in `updating_frame' the identity |
282 | of the frame being updated, so that the XT... functions do not | |
283 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 JB |
284 | should never be called except during an update, the only exceptions |
285 | being XTcursor_to, XTwrite_char and XTreassert_line_highlight. */ | |
286 | ||
287 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
288 | ||
289 | static | |
f676886a JB |
290 | XTupdate_begin (f) |
291 | struct frame *f; | |
dc6f92b8 JB |
292 | { |
293 | int mask; | |
294 | ||
f676886a | 295 | if (f == 0) |
dc6f92b8 JB |
296 | abort (); |
297 | ||
f676886a JB |
298 | updating_frame = f; |
299 | flexlines = f->height; | |
dc6f92b8 JB |
300 | highlight = 0; |
301 | ||
dc6f92b8 JB |
302 | BLOCK_INPUT; |
303 | #ifndef HAVE_X11 | |
304 | dumpqueue (); | |
c118dd06 | 305 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
306 | UNBLOCK_INPUT; |
307 | } | |
308 | ||
f451eb13 | 309 | #ifndef HAVE_X11 |
dc6f92b8 | 310 | static void x_do_pending_expose (); |
f451eb13 | 311 | #endif |
dc6f92b8 JB |
312 | |
313 | static | |
f676886a JB |
314 | XTupdate_end (f) |
315 | struct frame *f; | |
dc6f92b8 JB |
316 | { |
317 | int mask; | |
318 | ||
f676886a JB |
319 | if (updating_frame == 0 |
320 | || updating_frame != f) | |
dc6f92b8 JB |
321 | abort (); |
322 | ||
323 | BLOCK_INPUT; | |
324 | #ifndef HAVE_X11 | |
325 | dumpqueue (); | |
dc6f92b8 | 326 | x_do_pending_expose (); |
f451eb13 | 327 | #endif /* HAVE_X11 */ |
dc6f92b8 | 328 | |
f676886a | 329 | x_display_cursor (f, 1); |
dc6f92b8 | 330 | |
f676886a | 331 | updating_frame = 0; |
dc6f92b8 JB |
332 | XFlushQueue (); |
333 | UNBLOCK_INPUT; | |
334 | } | |
335 | \f | |
336 | /* External interface to control of standout mode. | |
337 | Call this when about to modify line at position VPOS | |
338 | and not change whether it is highlighted. */ | |
339 | ||
340 | XTreassert_line_highlight (new, vpos) | |
341 | int new, vpos; | |
342 | { | |
343 | highlight = new; | |
344 | } | |
345 | ||
346 | /* Call this when about to modify line at position VPOS | |
347 | and change whether it is highlighted. */ | |
348 | ||
349 | static | |
350 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
351 | int new_highlight, vpos, first_unused_hpos; | |
352 | { | |
353 | highlight = new_highlight; | |
354 | XTcursor_to (vpos, 0); | |
f676886a | 355 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
356 | } |
357 | ||
358 | /* This is used when starting Emacs and when restarting after suspend. | |
359 | When starting Emacs, no X window is mapped. And nothing must be done | |
360 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
361 | ||
362 | static | |
363 | XTset_terminal_modes () | |
364 | { | |
365 | } | |
366 | ||
367 | /* This is called when exiting or suspending Emacs. | |
368 | Exiting will make the X-windows go away, and suspending | |
369 | requires no action. */ | |
370 | ||
371 | static | |
372 | XTreset_terminal_modes () | |
373 | { | |
f676886a | 374 | /* XTclear_frame (); */ |
dc6f92b8 JB |
375 | } |
376 | \f | |
f451eb13 JB |
377 | /* Set the nominal cursor position of the frame. |
378 | This is where display update commands will take effect. | |
dc6f92b8 JB |
379 | This does not affect the place where the cursor-box is displayed. */ |
380 | ||
4746118a | 381 | static int |
dc6f92b8 JB |
382 | XTcursor_to (row, col) |
383 | register int row, col; | |
384 | { | |
385 | int mask; | |
386 | int orow = row; | |
387 | ||
388 | curs_x = col; | |
389 | curs_y = row; | |
390 | ||
f676886a | 391 | if (updating_frame == 0) |
dc6f92b8 JB |
392 | { |
393 | BLOCK_INPUT; | |
f676886a | 394 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
395 | XFlushQueue (); |
396 | UNBLOCK_INPUT; | |
397 | } | |
398 | } | |
399 | \f | |
400 | /* Display a sequence of N glyphs found at GP. | |
401 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
402 | HL is 1 if this text is highlighted, 2 if the cursor is on it. | |
403 | ||
404 | FONT is the default font to use (for glyphs whose font-code is 0). */ | |
405 | ||
406 | static void | |
f676886a JB |
407 | dumpglyphs (f, left, top, gp, n, hl, font) |
408 | struct frame *f; | |
dc6f92b8 JB |
409 | int left, top; |
410 | register GLYPH *gp; /* Points to first GLYPH. */ | |
411 | register int n; /* Number of glyphs to display. */ | |
412 | int hl; | |
413 | FONT_TYPE *font; | |
414 | { | |
dc6f92b8 | 415 | register int len; |
c118dd06 | 416 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
417 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc |
418 | : (hl ? f->display.x->reverse_gc | |
419 | : f->display.x->normal_gc)); | |
dc6f92b8 | 420 | |
c7004826 JB |
421 | if (sizeof (GLYPH) == sizeof (XChar2b)) |
422 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
423 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
424 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
425 | XDrawImageString (x_current_display, window, drawing_gc, | |
426 | left, top + FONT_BASE (font), (char *) gp, n); | |
427 | else | |
428 | /* What size of glyph ARE you using? And does X have a function to | |
429 | draw them? */ | |
430 | abort (); | |
dc6f92b8 JB |
431 | } |
432 | ||
433 | #if 0 | |
434 | static void | |
f676886a JB |
435 | dumpglyphs (f, left, top, gp, n, hl, font) |
436 | struct frame *f; | |
dc6f92b8 JB |
437 | int left, top; |
438 | register GLYPH *gp; /* Points to first GLYPH. */ | |
439 | register int n; /* Number of glyphs to display. */ | |
440 | int hl; | |
441 | FONT_TYPE *font; | |
442 | { | |
f676886a | 443 | char buf[f->width]; /* Holds characters to be displayed. */ |
dc6f92b8 JB |
444 | register char *cp; /* Steps through buf[]. */ |
445 | register int tlen = GLYPH_TABLE_LENGTH; | |
446 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 447 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
448 | int cursor_pixel = f->display.x->cursor_pixel; |
449 | int fg_pixel = f->display.x->foreground_pixel; | |
450 | int bg_pixel = f->display.x->background_pixel; | |
451 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
452 | |
453 | while (n) | |
454 | { | |
455 | /* Get the face-code of the next GLYPH. */ | |
456 | int cf, len; | |
457 | int g = *gp; | |
458 | ||
459 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
460 | g = GLYPH_ALIAS (tbase, g); | |
461 | ||
462 | cf = g >> 8; | |
463 | ||
464 | /* Find the run of consecutive glyphs with the same face-code. | |
465 | Extract their character codes into BUF. */ | |
466 | cp = buf; | |
467 | while (n > 0) | |
468 | { | |
469 | g = *gp; | |
470 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
471 | g = GLYPH_ALIAS (tbase, g); | |
472 | if ((g >> 8) != cf) | |
473 | break; | |
474 | ||
475 | *cp++ = 0377 & g; | |
476 | --n; | |
477 | ++gp; | |
478 | } | |
479 | ||
480 | /* LEN gets the length of the run. */ | |
481 | len = cp - buf; | |
482 | ||
483 | /* Now output this run of chars, with the font and pixel values | |
484 | determined by the face code CF. */ | |
485 | if (cf == 0) | |
486 | { | |
487 | #ifdef HAVE_X11 | |
f676886a JB |
488 | GC GC_cursor = f->display.x->cursor_gc; |
489 | GC GC_reverse = f->display.x->reverse_gc; | |
490 | GC GC_normal = f->display.x->normal_gc; | |
dc6f92b8 JB |
491 | |
492 | XDrawImageString (x_current_display, window, | |
493 | (hl == 2 | |
494 | ? GC_cursor | |
495 | : (hl ? GC_reverse : GC_normal)), | |
496 | left, top + FONT_BASE (font), buf, len); | |
c118dd06 | 497 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
498 | XText (window, left, top, |
499 | buf, | |
500 | len, | |
501 | font->id, | |
502 | (hl == 2 | |
503 | ? (cursor_pixel == fg_pixel ? bg_pixel : fg_pixel) | |
504 | : hl ? bg_pixel : fg_pixel), | |
505 | (hl == 2 ? cursor_pixel | |
506 | : hl ? fg_pixel : bg_pixel)); | |
c118dd06 | 507 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
508 | } |
509 | else | |
510 | { | |
511 | #ifdef HAVE_X11 | |
512 | if (FACE_IS_FONT (cf)) | |
c118dd06 | 513 | XDrawImageString (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 JB |
514 | FACE_GC (cf), |
515 | left, top + FONT_BASE (FACE_FONT (cf)), | |
516 | buf, len); | |
517 | else if (FACE_IS_IMAGE (cf)) | |
518 | XCopyPlane (x_current_display, FACE_IMAGE (cf), | |
c118dd06 | 519 | FRAME_X_WINDOW (f), |
f676886a | 520 | f->display.x->normal_gc, |
dc6f92b8 JB |
521 | 0, 0, |
522 | FACE_IMAGE_WIDTH (cf), | |
523 | FACE_IMAGE_HEIGHT (cf), left, top); | |
524 | else | |
525 | abort (); | |
c118dd06 | 526 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
527 | register struct face *fp = x_face_table[cf]; |
528 | ||
529 | XText (window, left, top, | |
530 | buf, | |
531 | len, | |
532 | fp->font->id, | |
533 | (hl == 2 | |
534 | ? (cursor_pixel == fp->fg ? fp->bg : fp->fg) | |
535 | : hl ? fp->bg : fp->fg), | |
536 | (hl == 2 ? cursor_pixel | |
537 | : hl ? fp->fg : fp->bg)); | |
c118dd06 | 538 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
539 | } |
540 | left += len * FONT_WIDTH (font); | |
541 | } | |
542 | } | |
c118dd06 | 543 | #endif /* ! 0 */ |
dc6f92b8 | 544 | \f |
f451eb13 JB |
545 | /* Output some text at the nominal frame cursor position. |
546 | Advance the cursor over the text. | |
dc6f92b8 JB |
547 | Output LEN glyphs at START. |
548 | ||
549 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
550 | controls the pixel values used for foreground and background. */ | |
551 | ||
552 | static | |
553 | XTwrite_glyphs (start, len) | |
554 | register GLYPH *start; | |
555 | int len; | |
556 | { | |
557 | register int temp_length; | |
558 | int mask; | |
f676886a | 559 | struct frame *f; |
dc6f92b8 JB |
560 | |
561 | BLOCK_INPUT; | |
562 | ||
f676886a JB |
563 | f = updating_frame; |
564 | if (f == 0) | |
dc6f92b8 | 565 | { |
f676886a | 566 | f = selected_frame; |
dc6f92b8 | 567 | /* If not within an update, |
f676886a JB |
568 | output at the frame's visible cursor. */ |
569 | curs_x = f->cursor_x; | |
570 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
571 | } |
572 | ||
f676886a | 573 | dumpglyphs (f, |
12ba150f JB |
574 | CHAR_TO_PIXEL_COL (f, curs_x), |
575 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
576 | start, len, highlight, f->display.x->font); | |
90e65f07 JB |
577 | |
578 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
579 | if (curs_y == f->phys_cursor_y |
580 | && curs_x <= f->phys_cursor_x | |
581 | && curs_x + len > f->phys_cursor_x) | |
582 | f->phys_cursor_x = -1; | |
dc6f92b8 | 583 | |
f676886a | 584 | if (updating_frame == 0) |
dc6f92b8 | 585 | { |
f676886a JB |
586 | f->cursor_x += len; |
587 | x_display_cursor (f, 1); | |
588 | f->cursor_x -= len; | |
dc6f92b8 JB |
589 | } |
590 | else | |
591 | curs_x += len; | |
592 | ||
593 | UNBLOCK_INPUT; | |
594 | } | |
595 | \f | |
f451eb13 JB |
596 | /* Clear to the end of the line. |
597 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
598 | to column FIRST_UNUSED (exclusive). The idea is that everything |
599 | from FIRST_UNUSED onward is already erased. */ | |
600 | ||
4746118a | 601 | static int |
dc6f92b8 JB |
602 | XTclear_end_of_line (first_unused) |
603 | register int first_unused; | |
604 | { | |
f676886a | 605 | struct frame *f = updating_frame; |
dc6f92b8 JB |
606 | int mask; |
607 | ||
f676886a | 608 | if (f == 0) |
dc6f92b8 JB |
609 | abort (); |
610 | ||
f676886a | 611 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
612 | return; |
613 | if (first_unused <= 0) | |
614 | return; | |
615 | ||
f676886a JB |
616 | if (first_unused >= f->width) |
617 | first_unused = f->width; | |
dc6f92b8 JB |
618 | |
619 | BLOCK_INPUT; | |
620 | ||
90e65f07 | 621 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
622 | if (curs_y == f->phys_cursor_y |
623 | && curs_x <= f->phys_cursor_x | |
624 | && f->phys_cursor_x < first_unused) | |
625 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
626 | |
627 | #ifdef HAVE_X11 | |
c118dd06 | 628 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
629 | CHAR_TO_PIXEL_COL (f, curs_x), |
630 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
631 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
632 | FONT_HEIGHT (f->display.x->font), False); | |
dc6f92b8 | 633 | |
c118dd06 JB |
634 | #else /* ! defined (HAVE_X11) */ |
635 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
636 | CHAR_TO_PIXEL_COL (f, curs_x), |
637 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
638 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
639 | FONT_HEIGHT (f->display.x->font), | |
640 | f->display.x->background_pixel); | |
c118dd06 | 641 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
642 | |
643 | UNBLOCK_INPUT; | |
644 | } | |
645 | ||
646 | static | |
f676886a | 647 | XTclear_frame () |
dc6f92b8 JB |
648 | { |
649 | int mask; | |
f676886a | 650 | struct frame *f = updating_frame; |
dc6f92b8 | 651 | |
f676886a JB |
652 | if (f == 0) |
653 | f = selected_frame; | |
dc6f92b8 | 654 | |
f676886a | 655 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
656 | curs_x = 0; /* Nominal cursor position is top left. */ |
657 | curs_y = 0; | |
658 | ||
659 | BLOCK_INPUT; | |
c118dd06 | 660 | XClear (FRAME_X_WINDOW (f)); |
dc6f92b8 | 661 | #ifndef HAVE_X11 |
f676886a | 662 | dumpborder (f, 0); |
c118dd06 | 663 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
664 | XFlushQueue (); |
665 | UNBLOCK_INPUT; | |
666 | } | |
667 | \f | |
f676886a | 668 | /* Paint horzontal bars down the frame for a visible bell. |
dc6f92b8 JB |
669 | Note that this may be way too slow on some machines. */ |
670 | ||
f676886a JB |
671 | XTflash (f) |
672 | struct frame *f; | |
dc6f92b8 | 673 | { |
f676886a | 674 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
675 | register int i; |
676 | int x, y; | |
677 | ||
f676886a | 678 | if (updating_frame != 0) |
dc6f92b8 JB |
679 | abort (); |
680 | ||
681 | BLOCK_INPUT; | |
682 | #ifdef HAVE_X11 | |
683 | #if 0 | |
f676886a | 684 | for (i = f->height * FONT_HEIGHT (f->display.x->font) - 10; |
dc6f92b8 JB |
685 | i >= 0; |
686 | i -= 100) /* Should be NO LOWER than 75 for speed reasons. */ | |
c118dd06 | 687 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a JB |
688 | f->display.x->cursor_gc, |
689 | 0, i, f->width * FONT_WIDTH (f->display.x->font) | |
690 | + 2 * f->display.x->internal_border_width, 25); | |
c118dd06 | 691 | #endif /* ! 0 */ |
dc6f92b8 | 692 | |
f676886a JB |
693 | x = (f->width * FONT_WIDTH (f->display.x->font)) / 4; |
694 | y = (f->height * FONT_HEIGHT (f->display.x->font)) / 4; | |
c118dd06 | 695 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 696 | f->display.x->cursor_gc, |
dc6f92b8 | 697 | x, y, 2 * x, 2 * y); |
f676886a JB |
698 | dumpglyphs (f, (x + f->display.x->internal_border_width), |
699 | (y + f->display.x->internal_border_width), | |
700 | &active_frame->glyphs[(f->height / 4) + 1][(f->width / 4)], | |
701 | 1, 0, f->display.x->font); | |
dc6f92b8 | 702 | |
c118dd06 | 703 | #else /* ! defined (HAVE_X11) */ |
f676886a | 704 | for (i = f->height * FONT_HEIGHT (f->display.x->font) - 10; |
dc6f92b8 JB |
705 | i >= 0; |
706 | i -= 50) | |
c118dd06 | 707 | XPixFill (FRAME_X_WINDOW (f), 0, i, |
f676886a JB |
708 | f->width * FONT_WIDTH (f->display.x->font) |
709 | + 2 * f->display.x->internal_border_width, 10, | |
dc6f92b8 | 710 | WHITE_PIX_DEFAULT, ClipModeClipped, GXinvert, AllPlanes); |
c118dd06 | 711 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
712 | |
713 | XFlushQueue (); | |
714 | UNBLOCK_INPUT; | |
715 | } | |
716 | ||
f676886a | 717 | /* Flip background and forground colors of the frame. */ |
dc6f92b8 | 718 | |
f676886a JB |
719 | x_invert_frame (f) |
720 | struct frame *f; | |
dc6f92b8 JB |
721 | { |
722 | #ifdef HAVE_X11 | |
723 | GC temp; | |
724 | unsigned long pix_temp; | |
725 | ||
f676886a | 726 | x_display_cursor (f, 0); |
c118dd06 | 727 | XClearWindow (x_current_display, FRAME_X_WINDOW (f)); |
f676886a JB |
728 | temp = f->display.x->normal_gc; |
729 | f->display.x->normal_gc = f->display.x->reverse_gc; | |
730 | f->display.x->reverse_gc = temp; | |
731 | pix_temp = f->display.x->foreground_pixel; | |
732 | f->display.x->foreground_pixel = f->display.x->background_pixel; | |
733 | f->display.x->background_pixel = pix_temp; | |
734 | ||
c118dd06 | 735 | XSetWindowBackground (x_current_display, FRAME_X_WINDOW (f), |
f676886a JB |
736 | f->display.x->background_pixel); |
737 | if (f->display.x->background_pixel == f->display.x->cursor_pixel) | |
dc6f92b8 | 738 | { |
f676886a JB |
739 | f->display.x->cursor_pixel = f->display.x->foreground_pixel; |
740 | XSetBackground (x_current_display, f->display.x->cursor_gc, | |
741 | f->display.x->cursor_pixel); | |
742 | XSetForeground (x_current_display, f->display.x->cursor_gc, | |
743 | f->display.x->background_pixel); | |
dc6f92b8 | 744 | } |
f676886a | 745 | redraw_frame (f); |
c118dd06 | 746 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
747 | } |
748 | ||
749 | /* Make audible bell. */ | |
750 | ||
751 | #ifdef HAVE_X11 | |
752 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 753 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 754 | #define XRINGBELL XFeep(0); |
c118dd06 | 755 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
756 | |
757 | XTring_bell () | |
758 | { | |
759 | if (visible_bell) | |
760 | #if 0 | |
f676886a | 761 | XTflash (selected_frame); |
c118dd06 | 762 | #endif /* ! 0 */ |
dc6f92b8 | 763 | { |
f676886a JB |
764 | x_invert_frame (selected_frame); |
765 | x_invert_frame (selected_frame); | |
dc6f92b8 JB |
766 | } |
767 | else | |
768 | { | |
769 | BLOCK_INPUT; | |
770 | XRINGBELL; | |
771 | XFlushQueue (); | |
772 | UNBLOCK_INPUT; | |
773 | } | |
774 | } | |
775 | \f | |
f451eb13 JB |
776 | /* Insert and delete character. |
777 | These are not supposed to be used because we are supposed to turn | |
778 | off the feature of using them. */ | |
dc6f92b8 JB |
779 | |
780 | static | |
781 | XTinsert_glyphs (start, len) | |
782 | register char *start; | |
783 | register int len; | |
784 | { | |
785 | abort (); | |
786 | } | |
787 | ||
788 | static | |
789 | XTdelete_glyphs (n) | |
790 | register int n; | |
791 | { | |
792 | abort (); | |
793 | } | |
794 | \f | |
795 | /* Specify how many text lines, from the top of the window, | |
796 | should be affected by insert-lines and delete-lines operations. | |
797 | This, and those operations, are used only within an update | |
798 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
799 | ||
800 | static | |
801 | XTset_terminal_window (n) | |
802 | register int n; | |
803 | { | |
f676886a | 804 | if (updating_frame == 0) |
dc6f92b8 JB |
805 | abort (); |
806 | ||
f676886a JB |
807 | if ((n <= 0) || (n > updating_frame->height)) |
808 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
809 | else |
810 | flexlines = n; | |
811 | } | |
812 | \f | |
f451eb13 JB |
813 | /* Perform an insert-lines operation. |
814 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
815 | |
816 | static void | |
817 | stufflines (n) | |
818 | register int n; | |
819 | { | |
820 | register int topregion, bottomregion; | |
821 | register int length, newtop, mask; | |
f676886a JB |
822 | register struct frame *f = updating_frame; |
823 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
824 | |
825 | if (curs_y >= flexlines) | |
826 | return; | |
827 | ||
828 | topregion = curs_y; | |
829 | bottomregion = flexlines - (n + 1); | |
830 | newtop = topregion + n; | |
831 | length = (bottomregion - topregion) + 1; | |
832 | ||
833 | #ifndef HAVE_X11 | |
834 | dumpqueue (); | |
c118dd06 | 835 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
836 | |
837 | if ((length > 0) && (newtop <= flexlines)) | |
838 | { | |
839 | #ifdef HAVE_X11 | |
c118dd06 JB |
840 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
841 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 842 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
843 | f->width * FONT_WIDTH (f->display.x->font), |
844 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 845 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
846 | #else /* ! defined (HAVE_X11) */ |
847 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
848 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
849 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
850 | f->width * FONT_WIDTH (f->display.x->font), |
851 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
852 | /* Now we must process any ExposeRegion events that occur |
853 | if the area being copied from is obscured. | |
854 | We can't let it wait because further i/d operations | |
855 | may want to copy this area to another area. */ | |
856 | x_read_exposes (); | |
c118dd06 | 857 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
858 | } |
859 | ||
860 | newtop = min (newtop, (flexlines - 1)); | |
861 | length = newtop - topregion; | |
862 | if (length > 0) | |
863 | { | |
864 | #ifdef HAVE_X11 | |
c118dd06 | 865 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 866 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
867 | f->width * FONT_WIDTH (f->display.x->font), |
868 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
869 | #else /* ! defined (HAVE_X11) */ |
870 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 871 | intborder, |
12ba150f | 872 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
873 | f->width * FONT_WIDTH (f->display.x->font), |
874 | n * FONT_HEIGHT (f->display.x->font), | |
875 | f->display.x->background_pixel); | |
c118dd06 | 876 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
877 | } |
878 | } | |
879 | ||
880 | /* Perform a delete-lines operation, deleting N lines | |
881 | at a vertical position curs_y. */ | |
882 | ||
883 | static void | |
884 | scraplines (n) | |
885 | register int n; | |
886 | { | |
887 | int mask; | |
f676886a JB |
888 | register struct frame *f = updating_frame; |
889 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
890 | |
891 | if (curs_y >= flexlines) | |
892 | return; | |
893 | ||
894 | #ifndef HAVE_X11 | |
895 | dumpqueue (); | |
c118dd06 | 896 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
897 | |
898 | if ((curs_y + n) >= flexlines) | |
899 | { | |
900 | if (flexlines >= (curs_y + 1)) | |
901 | { | |
902 | #ifdef HAVE_X11 | |
c118dd06 | 903 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 904 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
905 | f->width * FONT_WIDTH (f->display.x->font), |
906 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
907 | #else /* ! defined (HAVE_X11) */ |
908 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 909 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
910 | f->width * FONT_WIDTH (f->display.x->font), |
911 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
912 | f->display.x->background_pixel); | |
c118dd06 | 913 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
914 | } |
915 | } | |
916 | else | |
917 | { | |
918 | #ifdef HAVE_X11 | |
c118dd06 JB |
919 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
920 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 921 | intborder, |
12ba150f | 922 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
923 | f->width * FONT_WIDTH (f->display.x->font), |
924 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 925 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 926 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 927 | intborder, |
12ba150f | 928 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
929 | f->width * FONT_WIDTH (f->display.x->font), |
930 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
931 | #else /* ! defined (HAVE_X11) */ |
932 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 933 | intborder, |
12ba150f JB |
934 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
935 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
936 | f->width * FONT_WIDTH (f->display.x->font), |
937 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
938 | /* Now we must process any ExposeRegion events that occur |
939 | if the area being copied from is obscured. | |
940 | We can't let it wait because further i/d operations | |
941 | may want to copy this area to another area. */ | |
942 | x_read_exposes (); | |
c118dd06 | 943 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 944 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
945 | f->width * FONT_WIDTH (f->display.x->font), |
946 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 947 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
948 | } |
949 | } | |
950 | ||
951 | /* Perform an insert-lines or delete-lines operation, | |
952 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
953 | ||
954 | XTins_del_lines (vpos, n) | |
955 | int vpos, n; | |
956 | { | |
f676886a | 957 | if (updating_frame == 0) |
dc6f92b8 JB |
958 | abort (); |
959 | ||
90e65f07 | 960 | /* Hide the cursor. */ |
f676886a | 961 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
962 | |
963 | XTcursor_to (vpos, 0); | |
964 | ||
965 | BLOCK_INPUT; | |
966 | if (n >= 0) | |
967 | stufflines (n); | |
968 | else | |
969 | scraplines (-n); | |
970 | XFlushQueue (); | |
971 | UNBLOCK_INPUT; | |
972 | } | |
973 | \f | |
f451eb13 | 974 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
975 | static void clear_cursor (); |
976 | ||
f676886a JB |
977 | /* Output into a rectangle of an X-window (for frame F) |
978 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
979 | TOP and LEFT are the position of the upper left corner of the rectangle. |
980 | ROWS and COLS are the size of the rectangle. */ | |
981 | ||
982 | static void | |
f676886a JB |
983 | dumprectangle (f, left, top, cols, rows) |
984 | struct frame *f; | |
dc6f92b8 JB |
985 | register int left, top, cols, rows; |
986 | { | |
f676886a | 987 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
988 | int cursor_cleared = 0; |
989 | int bottom, right; | |
990 | register int y; | |
991 | ||
f676886a | 992 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
993 | return; |
994 | ||
dc6f92b8 JB |
995 | /* Express rectangle as four edges, instead of position-and-size. */ |
996 | bottom = top + rows; | |
997 | right = left + cols; | |
998 | ||
999 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1000 | { |
1001 | int intborder = f->display.x->internal_border_width; | |
1002 | ||
1003 | /* If the rectangle includes any of the internal border area, | |
1004 | redisplay the border emphasis. */ | |
1005 | if (top < intborder || left < intborder | |
1006 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1007 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1008 | dumpborder (f, 0); | |
1009 | } | |
c118dd06 | 1010 | #endif /* HAVE_X11 /* Window manger does this for X11. */ */ |
dc6f92b8 JB |
1011 | |
1012 | /* Convert rectangle edges in pixels to edges in chars. | |
1013 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1014 | top = PIXEL_TO_CHAR_ROW (f, top); |
1015 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1016 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1017 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1018 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1019 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1020 | |
1021 | /* Clip the rectangle to what can be visible. */ | |
1022 | if (left < 0) | |
1023 | left = 0; | |
1024 | if (top < 0) | |
1025 | top = 0; | |
f676886a JB |
1026 | if (right > f->width) |
1027 | right = f->width; | |
1028 | if (bottom > f->height) | |
1029 | bottom = f->height; | |
dc6f92b8 JB |
1030 | |
1031 | /* Get size in chars of the rectangle. */ | |
1032 | cols = right - left; | |
1033 | rows = bottom - top; | |
1034 | ||
1035 | /* If rectangle has zero area, return. */ | |
1036 | if (rows <= 0) return; | |
1037 | if (cols <= 0) return; | |
1038 | ||
1039 | /* Turn off the cursor if it is in the rectangle. | |
1040 | We will turn it back on afterward. */ | |
f676886a JB |
1041 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1042 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1043 | { |
f676886a | 1044 | clear_cursor (f); |
dc6f92b8 JB |
1045 | cursor_cleared = 1; |
1046 | } | |
1047 | ||
1048 | /* Display the text in the rectangle, one text line at a time. */ | |
1049 | ||
1050 | for (y = top; y < bottom; y++) | |
1051 | { | |
f676886a | 1052 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1053 | |
f676886a | 1054 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1055 | continue; |
1056 | ||
f676886a | 1057 | dumpglyphs (f, |
12ba150f JB |
1058 | CHAR_TO_PIXEL_COL (f, left), |
1059 | CHAR_TO_PIXEL_ROW (f, y), | |
1060 | line, min (cols, active_frame->used[y] - left), | |
1061 | active_frame->highlight[y], f->display.x->font); | |
dc6f92b8 JB |
1062 | } |
1063 | ||
1064 | /* Turn the cursor on if we turned it off. */ | |
1065 | ||
1066 | if (cursor_cleared) | |
f676886a | 1067 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1068 | } |
1069 | ||
1070 | #ifndef HAVE_X11 | |
1071 | /* Process all queued ExposeRegion events. */ | |
1072 | ||
1073 | static void | |
1074 | dumpqueue () | |
1075 | { | |
1076 | register int i; | |
1077 | XExposeRegionEvent r; | |
1078 | ||
1079 | while (dequeue_event (&r, &x_expose_queue)) | |
1080 | { | |
f676886a JB |
1081 | struct frame *f = x_window_to_frame (r.window); |
1082 | if (f->display.x->icon_desc == r.window) | |
1083 | refreshicon (f); | |
dc6f92b8 | 1084 | else |
f676886a | 1085 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1086 | } |
1087 | XFlushQueue (); | |
1088 | } | |
c118dd06 | 1089 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1090 | \f |
f451eb13 | 1091 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1092 | Redraws the cursor if necessary on any frame that |
1093 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1094 | |
f451eb13 | 1095 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1096 | static void |
1097 | x_do_pending_expose () | |
1098 | { | |
1099 | int mask; | |
f676886a JB |
1100 | struct frame *f; |
1101 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1102 | |
1103 | if (expose_all_windows) | |
1104 | { | |
1105 | expose_all_windows = 0; | |
f676886a | 1106 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1107 | { |
1108 | register int temp_width, temp_height; | |
1109 | int intborder; | |
1110 | ||
f676886a JB |
1111 | frame = XCONS (tail)->car; |
1112 | if (XTYPE (frame) != Lisp_Frame) | |
dc6f92b8 | 1113 | continue; |
f676886a | 1114 | f = XFRAME (frame); |
b1c884c3 | 1115 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1116 | continue; |
3a88c238 | 1117 | if (!f->async_visible) |
dc6f92b8 | 1118 | continue; |
f676886a | 1119 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1120 | continue; |
1121 | ||
f676886a | 1122 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1123 | |
f676886a | 1124 | clear_cursor (f); |
c118dd06 | 1125 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1126 | temp_width = ((windowinfo.width - 2 * intborder |
f676886a JB |
1127 | - f->display.x->v_scrollbar_width) |
1128 | / FONT_WIDTH (f->display.x->font)); | |
dc6f92b8 | 1129 | temp_height = ((windowinfo.height- 2 * intborder |
f676886a JB |
1130 | - f->display.x->h_scrollbar_height) |
1131 | / FONT_HEIGHT (f->display.x->font)); | |
1132 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1133 | { |
f676886a | 1134 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1135 | max (1, temp_width), 0, 1); |
f676886a | 1136 | x_resize_scrollbars (f); |
dc6f92b8 | 1137 | } |
f676886a JB |
1138 | f->display.x->left_pos = windowinfo.x; |
1139 | f->display.x->top_pos = windowinfo.y; | |
1140 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1141 | #if 0 |
f676886a | 1142 | dumpborder (f, 0); |
c118dd06 | 1143 | #endif /* ! 0 */ |
f676886a JB |
1144 | f->display.x->needs_exposure = 0; |
1145 | if (updating_frame != f) | |
1146 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1147 | XFlushQueue (); |
1148 | } | |
1149 | } | |
1150 | else | |
1151 | /* Handle any individual-rectangle expose events queued | |
1152 | for various windows. */ | |
1153 | #ifdef HAVE_X11 | |
1154 | ; | |
c118dd06 | 1155 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1156 | dumpqueue (); |
c118dd06 | 1157 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1158 | } |
f451eb13 | 1159 | #endif |
dc6f92b8 JB |
1160 | |
1161 | #ifdef HAVE_X11 | |
1162 | static void | |
f676886a JB |
1163 | frame_highlight (frame) |
1164 | struct frame *frame; | |
dc6f92b8 JB |
1165 | { |
1166 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1167 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1168 | frame->display.x->border_pixel); |
1169 | x_display_cursor (frame, 1); | |
dc6f92b8 JB |
1170 | } |
1171 | ||
1172 | static void | |
f676886a JB |
1173 | frame_unhighlight (frame) |
1174 | struct frame *frame; | |
dc6f92b8 JB |
1175 | { |
1176 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1177 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1178 | frame->display.x->border_tile); |
1179 | x_display_cursor (frame, 1); | |
dc6f92b8 | 1180 | } |
c118dd06 | 1181 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1182 | /* Dump the border-emphasis of frame F. |
1183 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1184 | just within the border, occupying a portion of the internal border. |
f676886a | 1185 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1186 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1187 | ||
f676886a | 1188 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1189 | In that case, we also turn the cursor off and on again |
1190 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1191 | ||
1192 | static void | |
f676886a JB |
1193 | dumpborder (f, always) |
1194 | struct frame *f; | |
dc6f92b8 JB |
1195 | int always; |
1196 | { | |
f676886a JB |
1197 | int thickness = f->display.x->internal_border_width / 2; |
1198 | int width = PIXEL_WIDTH (f); | |
1199 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1200 | int pixel; |
1201 | ||
f676886a | 1202 | if (f != selected_frame) |
dc6f92b8 JB |
1203 | { |
1204 | if (!always) | |
1205 | return; | |
1206 | ||
f676886a | 1207 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1208 | } |
1209 | else | |
1210 | { | |
f676886a | 1211 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1212 | } |
1213 | ||
c118dd06 JB |
1214 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1215 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1216 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1217 | thickness, pixel); |
c118dd06 | 1218 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1219 | height, pixel); |
1220 | ||
1221 | if (always) | |
f676886a | 1222 | x_display_cursor (f, 1); |
dc6f92b8 | 1223 | } |
c118dd06 | 1224 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1225 | |
f676886a | 1226 | static void XTframe_rehighlight (); |
6d4238f3 | 1227 | |
f676886a JB |
1228 | /* The focus has changed. Update the frames as necessary to reflect |
1229 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1230 | here, because the lisp code we are interrupting might become confused. |
f676886a | 1231 | Each event gets marked with the frame in which it occured, so the |
6d4238f3 | 1232 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1233 | |
6d4238f3 | 1234 | static void |
f676886a JB |
1235 | x_new_focus_frame (frame) |
1236 | struct frame *frame; | |
dc6f92b8 | 1237 | { |
f676886a | 1238 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1239 | int events_enqueued = 0; |
1240 | ||
f676886a | 1241 | if (frame != x_focus_frame) |
dc6f92b8 | 1242 | { |
6d4238f3 | 1243 | /* Set this before calling other routines, so that they see |
f676886a JB |
1244 | the correct value of x_focus_frame. */ |
1245 | x_focus_frame = frame; | |
6d4238f3 JB |
1246 | |
1247 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1248 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1249 | |
1250 | #if 0 | |
f676886a JB |
1251 | selected_frame = frame; |
1252 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1253 | Lisp_Frame, selected_frame); | |
1254 | Fselect_window (selected_frame->selected_window); | |
1255 | choose_minibuf_frame (); | |
c118dd06 | 1256 | #endif /* ! 0 */ |
dc6f92b8 | 1257 | |
f676886a JB |
1258 | if (x_focus_frame && x_focus_frame->auto_raise) |
1259 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1260 | } |
dc6f92b8 | 1261 | |
f676886a | 1262 | XTframe_rehighlight (); |
6d4238f3 JB |
1263 | } |
1264 | ||
1265 | ||
f451eb13 JB |
1266 | /* The focus has changed, or we have redirected a frame's focus to |
1267 | another frame (this happens when a frame uses a surrogate | |
1268 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1269 | static void |
f676886a | 1270 | XTframe_rehighlight () |
6d4238f3 | 1271 | { |
f676886a | 1272 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1273 | |
f676886a | 1274 | if (x_focus_frame) |
6d4238f3 | 1275 | { |
f451eb13 JB |
1276 | x_highlight_frame = |
1277 | ((XTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) | |
1278 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) | |
1279 | : x_focus_frame); | |
1280 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1281 | { | |
1282 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1283 | x_highlight_frame = x_focus_frame; | |
1284 | } | |
dc6f92b8 | 1285 | } |
6d4238f3 | 1286 | else |
f676886a | 1287 | x_highlight_frame = 0; |
dc6f92b8 | 1288 | |
f676886a | 1289 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1290 | { |
1291 | if (old_highlight) | |
f676886a JB |
1292 | frame_unhighlight (old_highlight); |
1293 | if (x_highlight_frame) | |
1294 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1295 | } |
dc6f92b8 JB |
1296 | } |
1297 | \f | |
90e65f07 JB |
1298 | /* Mouse clicks and mouse movement. Rah. */ |
1299 | #ifdef HAVE_X11 | |
1300 | ||
f676886a | 1301 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return |
90e65f07 JB |
1302 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle |
1303 | that the glyph at X, Y occupies, if BOUNDS != 0. */ | |
1304 | static void | |
f676886a JB |
1305 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds) |
1306 | FRAME_PTR f; | |
dc6f92b8 JB |
1307 | register unsigned int pix_x, pix_y; |
1308 | register int *x, *y; | |
90e65f07 | 1309 | XRectangle *bounds; |
dc6f92b8 | 1310 | { |
12ba150f JB |
1311 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1312 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
90e65f07 JB |
1313 | |
1314 | if (bounds) | |
1315 | { | |
12ba150f JB |
1316 | bounds->width = FONT_WIDTH (f->display.x->font); |
1317 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1318 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1319 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
90e65f07 | 1320 | } |
12ba150f JB |
1321 | |
1322 | if (pix_x < 0) pix_x = 0; | |
1323 | else if (pix_x > f->width) pix_x = f->width; | |
1324 | ||
1325 | if (pix_y < 0) pix_y = 0; | |
1326 | else if (pix_y > f->height) pix_y = f->height; | |
1327 | ||
1328 | *x = pix_x; | |
1329 | *y = pix_y; | |
dc6f92b8 | 1330 | } |
dc6f92b8 JB |
1331 | |
1332 | /* Any buttons grabbed. */ | |
1333 | unsigned int x_mouse_grabbed; | |
1334 | ||
28430d3c JB |
1335 | /* Which modifier keys are on which modifier bits? |
1336 | ||
1337 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1338 | keys were held down when the key was pressed. The interpretation |
1339 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1340 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1341 | is the meta bit. | |
1342 | ||
1343 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1344 | It may have more than one bit set, if more than one modifier bit | |
1345 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1346 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1347 | ||
1348 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1349 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1350 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1351 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1352 | arrangement, the lock modifier should shift the character if | |
1353 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1354 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c JB |
1355 | |
1356 | /* Initialize mode_switch_bit and modifier_meaning. */ | |
1357 | static void | |
1358 | x_find_modifier_meanings () | |
1359 | { | |
f689eb05 | 1360 | int min_code, max_code; |
28430d3c JB |
1361 | KeySym *syms; |
1362 | int syms_per_code; | |
1363 | XModifierKeymap *mods; | |
f689eb05 | 1364 | int alt_mod_mask = 0; |
28430d3c JB |
1365 | |
1366 | x_meta_mod_mask = 0; | |
11edeb03 | 1367 | x_shift_lock_mask = 0; |
28430d3c JB |
1368 | |
1369 | XDisplayKeycodes (x_current_display, &min_code, &max_code); | |
1370 | syms = XGetKeyboardMapping (x_current_display, | |
1371 | min_code, max_code - min_code + 1, | |
1372 | &syms_per_code); | |
1373 | mods = XGetModifierMapping (x_current_display); | |
1374 | ||
11edeb03 JB |
1375 | /* Scan the modifier table to see which modifier bits the Meta and |
1376 | Alt keysyms are on. */ | |
28430d3c JB |
1377 | { |
1378 | int row, col; /* The row and column in the modifier table. */ | |
1379 | ||
1380 | for (row = 3; row < 8; row++) | |
1381 | for (col = 0; col < mods->max_keypermod; col++) | |
1382 | { | |
1383 | KeyCode code = | |
1384 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1385 | ||
1386 | /* Are any of this keycode's keysyms a meta key? */ | |
1387 | { | |
1388 | int code_col; | |
1389 | ||
1390 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1391 | { | |
f689eb05 | 1392 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1393 | |
f689eb05 | 1394 | switch (sym) |
28430d3c | 1395 | { |
f689eb05 JB |
1396 | case XK_Meta_L: |
1397 | case XK_Meta_R: | |
28430d3c JB |
1398 | x_meta_mod_mask |= (1 << row); |
1399 | break; | |
f689eb05 JB |
1400 | |
1401 | case XK_Alt_L: | |
1402 | case XK_Alt_R: | |
1403 | alt_mod_mask |= (1 << row); | |
1404 | break; | |
11edeb03 JB |
1405 | |
1406 | case XK_Shift_Lock: | |
1407 | /* Ignore this if it's not on the lock modifier. */ | |
1408 | if ((1 << row) == LockMask) | |
1409 | x_shift_lock_mask = LockMask; | |
1410 | break; | |
28430d3c JB |
1411 | } |
1412 | } | |
1413 | } | |
1414 | } | |
1415 | } | |
1416 | ||
f689eb05 JB |
1417 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1418 | if (! x_meta_mod_mask) | |
1419 | x_meta_mod_mask = alt_mod_mask; | |
1420 | ||
28430d3c | 1421 | XFree ((char *) syms); |
f689eb05 | 1422 | XFreeModifiermap (mods); |
28430d3c JB |
1423 | } |
1424 | ||
1425 | ||
dc6f92b8 JB |
1426 | /* Convert a set of X modifier bits to the proper form for a |
1427 | struct input_event modifiers value. */ | |
1428 | ||
7c5283e4 | 1429 | static unsigned int |
dc6f92b8 JB |
1430 | x_convert_modifiers (state) |
1431 | unsigned int state; | |
1432 | { | |
11edeb03 JB |
1433 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1434 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
1435 | | ((state & x_meta_mod_mask) ? meta_modifier : 0)); | |
dc6f92b8 JB |
1436 | } |
1437 | ||
dc6f92b8 JB |
1438 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1439 | ||
1440 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1441 | the mouse. */ |
dc6f92b8 JB |
1442 | |
1443 | static Lisp_Object | |
f451eb13 | 1444 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1445 | struct input_event *result; |
1446 | XButtonEvent *event; | |
f676886a | 1447 | struct frame *f; |
dc6f92b8 | 1448 | { |
f451eb13 | 1449 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1450 | otherwise. */ |
f451eb13 JB |
1451 | result->kind = mouse_click; |
1452 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1453 | result->timestamp = event->time; |
dc6f92b8 | 1454 | result->modifiers = (x_convert_modifiers (event->state) |
f689eb05 JB |
1455 | | (event->type == ButtonRelease |
1456 | ? up_modifier | |
1457 | : down_modifier)); | |
dc6f92b8 JB |
1458 | |
1459 | /* Notice if the mouse is still grabbed. */ | |
1460 | if (event->type == ButtonPress) | |
1461 | { | |
1462 | if (! x_mouse_grabbed) | |
1463 | Vmouse_depressed = Qt; | |
90e65f07 | 1464 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1465 | } |
1466 | else if (event->type == ButtonRelease) | |
1467 | { | |
90e65f07 | 1468 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1469 | if (!x_mouse_grabbed) |
1470 | Vmouse_depressed = Qnil; | |
1471 | } | |
1472 | ||
f451eb13 JB |
1473 | { |
1474 | int row, column; | |
dc6f92b8 | 1475 | |
f451eb13 JB |
1476 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1477 | XFASTINT (result->x) = column; | |
1478 | XFASTINT (result->y) = row; | |
12ba150f | 1479 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1480 | } |
dc6f92b8 JB |
1481 | } |
1482 | ||
1483 | ||
90e65f07 JB |
1484 | /* Mouse movement. Rah. |
1485 | ||
1486 | In order to avoid asking for motion events and then throwing most | |
1487 | of them away or busy-polling the server for mouse positions, we ask | |
1488 | the server for pointer motion hints. This means that we get only | |
1489 | one event per group of mouse movements. "Groups" are delimited by | |
1490 | other kinds of events (focus changes and button clicks, for | |
1491 | example), or by XQueryPointer calls; when one of these happens, we | |
1492 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1493 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1494 | tracking is on, and I suspect only negligibly worse when tracking |
1495 | is off. | |
1496 | ||
1497 | The silly O'Reilly & Associates Nutshell guides barely document | |
1498 | pointer motion hints at all (I think you have to infer how they | |
1499 | work from an example), and the description of XQueryPointer doesn't | |
1500 | mention that calling it causes you to get another motion hint from | |
1501 | the server, which is very important. */ | |
1502 | ||
1503 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1504 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1505 | static XRectangle last_mouse_glyph; |
1506 | ||
12ba150f JB |
1507 | /* The scrollbar in which the last X motion event occurred. |
1508 | ||
1509 | If the last X motion event occured in a scrollbar, we set this | |
1510 | so XTmouse_position can know whether to report a scrollbar motion or | |
1511 | an ordinary motion. | |
1512 | ||
1513 | If the last X motion event didn't occur in a scrollbar, we set this | |
1514 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
1515 | static Lisp_Object last_mouse_scrollbar; | |
f451eb13 | 1516 | |
e5d77022 JB |
1517 | /* This is a hack. We would really prefer that XTmouse_position would |
1518 | return the time associated with the position it returns, but there | |
1519 | doesn't seem to be any way to wrest the timestamp from the server | |
1520 | along with the position query. So, we just keep track of the time | |
1521 | of the last movement we received, and return that in hopes that | |
1522 | it's somewhat accurate. */ | |
1523 | static Time last_mouse_movement_time; | |
1524 | ||
90e65f07 JB |
1525 | /* Function to report a mouse movement to the mainstream Emacs code. |
1526 | The input handler calls this. | |
1527 | ||
1528 | We have received a mouse movement event, which is given in *event. | |
1529 | If the mouse is over a different glyph than it was last time, tell | |
1530 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1531 | another motion event, so we can check again the next time it moves. */ | |
1532 | static void | |
12ba150f | 1533 | note_mouse_movement (frame, event) |
f676886a | 1534 | FRAME_PTR frame; |
90e65f07 JB |
1535 | XMotionEvent *event; |
1536 | ||
1537 | { | |
e5d77022 JB |
1538 | last_mouse_movement_time = event->time; |
1539 | ||
90e65f07 JB |
1540 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1541 | if (event->x < last_mouse_glyph.x | |
1542 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1543 | || event->y < last_mouse_glyph.y | |
1544 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1545 | { |
1546 | mouse_moved = 1; | |
1547 | last_mouse_scrollbar = Qnil; | |
1548 | } | |
90e65f07 JB |
1549 | else |
1550 | { | |
1551 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1552 | event the next time the mouse moves and we can see if it's | |
1553 | *still* on the same glyph. */ | |
1554 | int dummy; | |
1555 | ||
1556 | XQueryPointer (event->display, event->window, | |
1557 | (Window *) &dummy, (Window *) &dummy, | |
1558 | &dummy, &dummy, &dummy, &dummy, | |
1559 | (unsigned int *) &dummy); | |
1560 | } | |
1561 | } | |
1562 | ||
12ba150f JB |
1563 | static struct scrollbar *x_window_to_scrollbar (); |
1564 | static void x_scrollbar_report_motion (); | |
1565 | ||
90e65f07 JB |
1566 | /* Return the current position of the mouse. |
1567 | ||
12ba150f JB |
1568 | If the mouse movement started in a scrollbar, set *f, *bar_window, |
1569 | and *part to the frame, window, and scrollbar part that the mouse | |
1570 | is over. Set *x and *y to the portion and whole of the mouse's | |
1571 | position on the scrollbar. | |
1572 | ||
1573 | If the mouse movement started elsewhere, set *f to the frame the | |
1574 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1575 | the mouse is over. | |
1576 | ||
1577 | Set *time to the server timestamp for the time at which the mouse | |
1578 | was at this position. | |
1579 | ||
90e65f07 | 1580 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1581 | movement. This also calls XQueryPointer, which will cause the |
1582 | server to give us another MotionNotify when the mouse moves | |
1583 | again. */ | |
90e65f07 JB |
1584 | |
1585 | static void | |
12ba150f | 1586 | XTmouse_position (f, bar_window, part, x, y, time) |
f676886a | 1587 | FRAME_PTR *f; |
12ba150f | 1588 | Lisp_Object *bar_window; |
f451eb13 | 1589 | enum scrollbar_part *part; |
90e65f07 | 1590 | Lisp_Object *x, *y; |
e5d77022 | 1591 | unsigned long *time; |
90e65f07 | 1592 | { |
90e65f07 JB |
1593 | BLOCK_INPUT; |
1594 | ||
12ba150f JB |
1595 | if (! NILP (last_mouse_scrollbar)) |
1596 | x_scrollbar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1597 | else |
1598 | { | |
12ba150f JB |
1599 | Window root; |
1600 | int root_x, root_y; | |
90e65f07 | 1601 | |
12ba150f JB |
1602 | Window dummy_window; |
1603 | int dummy; | |
1604 | ||
1605 | mouse_moved = 0; | |
1606 | last_mouse_scrollbar = Qnil; | |
1607 | ||
1608 | /* Figure out which root window we're on. */ | |
1609 | XQueryPointer (x_current_display, | |
1610 | DefaultRootWindow (x_current_display), | |
1611 | ||
1612 | /* The root window which contains the pointer. */ | |
1613 | &root, | |
1614 | ||
1615 | /* Trash which we can't trust if the pointer is on | |
1616 | a different screen. */ | |
1617 | &dummy_window, | |
1618 | ||
1619 | /* The position on that root window. */ | |
1620 | &root_x, &root_y, | |
1621 | ||
1622 | /* More trash we can't trust. */ | |
1623 | &dummy, &dummy, | |
1624 | ||
1625 | /* Modifier keys and pointer buttons, about which | |
1626 | we don't care. */ | |
1627 | (unsigned int *) &dummy); | |
1628 | ||
1629 | /* Now we have a position on the root; find the innermost window | |
1630 | containing the pointer. */ | |
1631 | { | |
1632 | Window win, child; | |
1633 | int win_x, win_y; | |
1634 | int parent_x, parent_y; | |
1635 | ||
1636 | win = root; | |
1637 | for (;;) | |
1638 | { | |
1639 | XTranslateCoordinates (x_current_display, | |
1640 | ||
1641 | /* From-window, to-window. */ | |
1642 | root, win, | |
1643 | ||
1644 | /* From-position, to-position. */ | |
1645 | root_x, root_y, &win_x, &win_y, | |
1646 | ||
1647 | /* Child of win. */ | |
1648 | &child); | |
1649 | ||
1650 | if (child == None) | |
1651 | break; | |
1652 | ||
1653 | win = child; | |
1654 | parent_x = win_x; | |
1655 | parent_y = win_y; | |
1656 | } | |
1657 | ||
1658 | /* Now we know that: | |
1659 | win is the innermost window containing the pointer | |
1660 | (XTC says it has no child containing the pointer), | |
1661 | win_x and win_y are the pointer's position in it | |
1662 | (XTC did this the last time through), and | |
1663 | parent_x and parent_y are the pointer's position in win's parent. | |
1664 | (They are what win_x and win_y were when win was child. | |
1665 | If win is the root window, it has no parent, and | |
1666 | parent_{x,y} are invalid, but that's okay, because we'll | |
1667 | never use them in that case.) */ | |
1668 | ||
1669 | /* Is win one of our frames? */ | |
1670 | *f = x_window_to_frame (win); | |
1671 | ||
1672 | /* If not, is it one of our scrollbars? */ | |
1673 | if (! *f) | |
1674 | { | |
1675 | struct scrollbar *bar = x_window_to_scrollbar (win); | |
1676 | ||
1677 | if (bar) | |
1678 | { | |
1679 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1680 | win_x = parent_x; | |
1681 | win_y = parent_y; | |
1682 | } | |
1683 | } | |
90e65f07 | 1684 | |
12ba150f JB |
1685 | if (*f) |
1686 | { | |
1687 | pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y, | |
1688 | &last_mouse_glyph); | |
1689 | ||
1690 | *bar_window = Qnil; | |
1691 | *part = 0; | |
1692 | XSET (*x, Lisp_Int, win_x); | |
1693 | XSET (*y, Lisp_Int, win_y); | |
1694 | *time = last_mouse_movement_time; | |
1695 | } | |
1696 | } | |
1697 | } | |
90e65f07 JB |
1698 | |
1699 | UNBLOCK_INPUT; | |
1700 | } | |
1701 | ||
c118dd06 | 1702 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1703 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1704 | #endif /* ! defined (HAVE_X11) */ |
1705 | \f | |
f451eb13 JB |
1706 | /* Scrollbar support. */ |
1707 | ||
12ba150f | 1708 | /* Given an X window ID, find the struct scrollbar which manages it. */ |
f451eb13 JB |
1709 | static struct scrollbar * |
1710 | x_window_to_scrollbar (window_id) | |
1711 | Window window_id; | |
1712 | { | |
1713 | Lisp_Object tail, frame; | |
f451eb13 JB |
1714 | |
1715 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) | |
1716 | { | |
f451eb13 | 1717 | Lisp_Object frame = XCONS (tail)->car; |
12ba150f | 1718 | Lisp_Object bar; |
f451eb13 JB |
1719 | |
1720 | /* All elements of Vframe_list should be frames. */ | |
1721 | if (XTYPE (frame) != Lisp_Frame) | |
1722 | abort (); | |
1723 | ||
1724 | /* Scan this frame's scrollbar list for a scrollbar with the | |
1725 | right window ID. */ | |
12ba150f JB |
1726 | for (bar = FRAME_SCROLLBARS (XFRAME (frame)); |
1727 | ! NILP (bar); | |
1728 | bar = XSCROLLBAR(bar)->next) | |
1729 | if (SCROLLBAR_X_WINDOW (XSCROLLBAR (bar)) == window_id) | |
1730 | return XSCROLLBAR (bar); | |
f451eb13 JB |
1731 | } |
1732 | ||
1733 | return 0; | |
1734 | } | |
1735 | ||
12ba150f JB |
1736 | /* Open a new X window to serve as a scrollbar, and return the |
1737 | scrollbar vector for it. */ | |
f451eb13 | 1738 | static struct scrollbar * |
12ba150f JB |
1739 | x_scrollbar_create (window, top, left, width, height) |
1740 | struct window *window; | |
f451eb13 JB |
1741 | int top, left, width, height; |
1742 | { | |
12ba150f | 1743 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
f451eb13 | 1744 | struct scrollbar *bar = |
12ba150f | 1745 | XSCROLLBAR (Fmake_vector (make_number (SCROLLBAR_VEC_SIZE), Qnil)); |
f451eb13 JB |
1746 | |
1747 | BLOCK_INPUT; | |
1748 | ||
1749 | { | |
1750 | XSetWindowAttributes a; | |
1751 | unsigned long mask; | |
1752 | ||
12ba150f JB |
1753 | a.background_pixel = frame->display.x->background_pixel; |
1754 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1755 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1756 | | ExposureMask); |
f451eb13 JB |
1757 | a.cursor = x_vertical_scrollbar_cursor; |
1758 | ||
12ba150f | 1759 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 1760 | |
12ba150f JB |
1761 | SET_SCROLLBAR_X_WINDOW |
1762 | (bar, | |
1763 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1764 | |
12ba150f JB |
1765 | /* Position and size of scrollbar. */ |
1766 | left, top, width, height, | |
f451eb13 | 1767 | |
12ba150f JB |
1768 | /* Border width, depth, class, and visual. */ |
1769 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1770 | |
12ba150f JB |
1771 | /* Attributes. */ |
1772 | mask, &a)); | |
f451eb13 JB |
1773 | } |
1774 | ||
12ba150f JB |
1775 | XSET (bar->window, Lisp_Window, window); |
1776 | XSET (bar->top, Lisp_Int, top); | |
1777 | XSET (bar->left, Lisp_Int, left); | |
1778 | XSET (bar->width, Lisp_Int, width); | |
1779 | XSET (bar->height, Lisp_Int, height); | |
1780 | XSET (bar->start, Lisp_Int, 0); | |
1781 | XSET (bar->end, Lisp_Int, 0); | |
1782 | bar->dragging = Qnil; | |
f451eb13 JB |
1783 | |
1784 | /* Add bar to its frame's list of scroll bars. */ | |
12ba150f JB |
1785 | bar->next = FRAME_SCROLLBARS (frame); |
1786 | bar->prev = Qnil; | |
1787 | XSET (FRAME_SCROLLBARS (frame), Lisp_Vector, bar); | |
1788 | if (! NILP (bar->next)) | |
1789 | XSET (XSCROLLBAR (bar->next)->prev, Lisp_Vector, bar); | |
f451eb13 | 1790 | |
12ba150f | 1791 | XMapWindow (x_current_display, SCROLLBAR_X_WINDOW (bar)); |
f451eb13 JB |
1792 | |
1793 | UNBLOCK_INPUT; | |
12ba150f JB |
1794 | |
1795 | return bar; | |
f451eb13 JB |
1796 | } |
1797 | ||
12ba150f JB |
1798 | /* Draw BAR's handle in the proper position. |
1799 | If the handle is already drawn from START to END, don't bother | |
1800 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1801 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1802 | events.) | |
1803 | ||
1804 | Normally, we want to constrain the start and end of the handle to | |
1805 | fit inside its rectangle, but if the user is dragging the scrollbar | |
1806 | handle, we want to let them drag it down all the way, so that the | |
1807 | bar's top is as far down as it goes; otherwise, there's no way to | |
1808 | move to the very end of the buffer. */ | |
f451eb13 | 1809 | static void |
12ba150f | 1810 | x_scrollbar_set_handle (bar, start, end, rebuild) |
f451eb13 JB |
1811 | struct scrollbar *bar; |
1812 | int start, end; | |
12ba150f | 1813 | int rebuild; |
f451eb13 | 1814 | { |
12ba150f JB |
1815 | int dragging = ! NILP (bar->dragging); |
1816 | Window w = SCROLLBAR_X_WINDOW (bar); | |
1817 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; | |
1818 | ||
1819 | /* If the display is already accurate, do nothing. */ | |
1820 | if (! rebuild | |
1821 | && start == XINT (bar->start) | |
1822 | && end == XINT (bar->end)) | |
1823 | return; | |
1824 | ||
f451eb13 JB |
1825 | BLOCK_INPUT; |
1826 | ||
1827 | { | |
12ba150f JB |
1828 | int inside_width = VERTICAL_SCROLLBAR_INSIDE_WIDTH (XINT (bar->width)); |
1829 | int inside_height = VERTICAL_SCROLLBAR_INSIDE_HEIGHT (XINT (bar->height)); | |
1830 | int top_range = VERTICAL_SCROLLBAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
1831 | |
1832 | /* Make sure the values are reasonable, and try to preserve | |
1833 | the distance between start and end. */ | |
12ba150f JB |
1834 | { |
1835 | int length = end - start; | |
1836 | ||
1837 | if (start < 0) | |
1838 | start = 0; | |
1839 | else if (start > top_range) | |
1840 | start = top_range; | |
1841 | end = start + length; | |
1842 | ||
1843 | if (end < start) | |
1844 | end = start; | |
1845 | else if (end > top_range && ! dragging) | |
1846 | end = top_range; | |
1847 | } | |
f451eb13 | 1848 | |
12ba150f JB |
1849 | /* Store the adjusted setting in the scrollbar. */ |
1850 | XSET (bar->start, Lisp_Int, start); | |
1851 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 1852 | |
12ba150f JB |
1853 | /* Clip the end position, just for display. */ |
1854 | if (end > top_range) | |
1855 | end = top_range; | |
f451eb13 | 1856 | |
12ba150f JB |
1857 | /* Draw bottom positions VERTICAL_SCROLLBAR_MIN_HANDLE pixels |
1858 | below top positions, to make sure the handle is always at least | |
1859 | that many pixels tall. */ | |
1860 | end += VERTICAL_SCROLLBAR_MIN_HANDLE; | |
f451eb13 | 1861 | |
12ba150f JB |
1862 | /* Draw the empty space above the handle. Note that we can't clear |
1863 | zero-height areas; that means "clear to end of window." */ | |
1864 | if (0 < start) | |
1865 | XClearArea (x_current_display, w, | |
f451eb13 | 1866 | |
12ba150f JB |
1867 | /* x, y, width, height, and exposures. */ |
1868 | VERTICAL_SCROLLBAR_LEFT_BORDER, | |
1869 | VERTICAL_SCROLLBAR_TOP_BORDER, | |
1870 | inside_width, start, | |
1871 | False); | |
f451eb13 | 1872 | |
12ba150f JB |
1873 | /* Draw the handle itself. */ |
1874 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 1875 | |
12ba150f JB |
1876 | /* x, y, width, height */ |
1877 | VERTICAL_SCROLLBAR_LEFT_BORDER, | |
1878 | VERTICAL_SCROLLBAR_TOP_BORDER + start, | |
1879 | inside_width, end - start); | |
f451eb13 | 1880 | |
f451eb13 | 1881 | |
12ba150f JB |
1882 | /* Draw the empty space below the handle. Note that we can't |
1883 | clear zero-height areas; that means "clear to end of window." */ | |
1884 | if (end < inside_height) | |
1885 | XClearArea (x_current_display, w, | |
f451eb13 | 1886 | |
12ba150f JB |
1887 | /* x, y, width, height, and exposures. */ |
1888 | VERTICAL_SCROLLBAR_LEFT_BORDER, | |
1889 | VERTICAL_SCROLLBAR_TOP_BORDER + end, | |
1890 | inside_width, inside_height - end, | |
1891 | False); | |
f451eb13 | 1892 | |
f451eb13 JB |
1893 | } |
1894 | ||
f451eb13 JB |
1895 | UNBLOCK_INPUT; |
1896 | } | |
1897 | ||
12ba150f JB |
1898 | /* Move a scrollbar around on the screen, to accomodate changing |
1899 | window configurations. */ | |
f451eb13 JB |
1900 | static void |
1901 | x_scrollbar_move (bar, top, left, width, height) | |
1902 | struct scrollbar *bar; | |
1903 | int top, left, width, height; | |
1904 | { | |
1905 | BLOCK_INPUT; | |
1906 | ||
1907 | { | |
1908 | XWindowChanges wc; | |
1909 | unsigned int mask = 0; | |
1910 | ||
1911 | wc.x = left; | |
1912 | wc.y = top; | |
1913 | wc.width = width; | |
1914 | wc.height = height; | |
1915 | ||
12ba150f JB |
1916 | if (left != XINT (bar->left)) mask |= CWX; |
1917 | if (top != XINT (bar->top)) mask |= CWY; | |
1918 | if (width != XINT (bar->width)) mask |= CWWidth; | |
1919 | if (height != XINT (bar->height)) mask |= CWHeight; | |
1920 | ||
1921 | if (mask) | |
1922 | XConfigureWindow (x_current_display, SCROLLBAR_X_WINDOW (bar), | |
1923 | mask, &wc); | |
f451eb13 JB |
1924 | } |
1925 | ||
12ba150f JB |
1926 | XSET (bar->left, Lisp_Int, left); |
1927 | XSET (bar->top, Lisp_Int, top); | |
1928 | XSET (bar->width, Lisp_Int, width); | |
1929 | XSET (bar->height, Lisp_Int, height); | |
1930 | ||
f451eb13 JB |
1931 | UNBLOCK_INPUT; |
1932 | } | |
1933 | ||
12ba150f JB |
1934 | /* Destroy the X window for BAR, and set its Emacs window's scrollbar |
1935 | to nil. */ | |
1936 | static void | |
1937 | x_scrollbar_remove (bar) | |
f451eb13 | 1938 | struct scrollbar *bar; |
12ba150f JB |
1939 | { |
1940 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1941 | ||
1942 | BLOCK_INPUT; | |
1943 | ||
1944 | /* Destroy the window. */ | |
1945 | XDestroyWindow (x_current_display, SCROLLBAR_X_WINDOW (bar)); | |
1946 | ||
1947 | /* Disassociate this scrollbar from its window. */ | |
1948 | XWINDOW (bar->window)->vertical_scrollbar = Qnil; | |
1949 | ||
1950 | UNBLOCK_INPUT; | |
1951 | } | |
1952 | ||
1953 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
1954 | that we are displaying PORTION characters out of a total of WHOLE | |
1955 | characters, starting at POSITION. If WINDOW has no scrollbar, | |
1956 | create one. */ | |
1957 | static void | |
1958 | XTset_vertical_scrollbar (window, portion, whole, position) | |
f451eb13 JB |
1959 | struct window *window; |
1960 | int portion, whole, position; | |
1961 | { | |
1962 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 JB |
1963 | int top = XINT (window->top); |
1964 | int left = WINDOW_VERTICAL_SCROLLBAR_COLUMN (window); | |
1965 | int height = WINDOW_VERTICAL_SCROLLBAR_HEIGHT (window); | |
1966 | ||
1967 | /* Where should this scrollbar be, pixelwise? */ | |
12ba150f JB |
1968 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
1969 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
f451eb13 JB |
1970 | int pixel_width = VERTICAL_SCROLLBAR_PIXEL_WIDTH (f); |
1971 | int pixel_height = VERTICAL_SCROLLBAR_PIXEL_HEIGHT (f, height); | |
1972 | ||
12ba150f JB |
1973 | struct scrollbar *bar; |
1974 | ||
f451eb13 | 1975 | /* Does the scrollbar exist yet? */ |
12ba150f JB |
1976 | if (NILP (window->vertical_scrollbar)) |
1977 | bar = x_scrollbar_create (window, | |
f451eb13 JB |
1978 | pixel_top, pixel_left, |
1979 | pixel_width, pixel_height); | |
1980 | else | |
12ba150f JB |
1981 | { |
1982 | /* It may just need to be moved and resized. */ | |
1983 | bar = XSCROLLBAR (window->vertical_scrollbar); | |
1984 | x_scrollbar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
1985 | } | |
f451eb13 JB |
1986 | |
1987 | /* Set the scrollbar's current state, unless we're currently being | |
1988 | dragged. */ | |
12ba150f | 1989 | if (NILP (bar->dragging)) |
f451eb13 | 1990 | { |
12ba150f JB |
1991 | int top_range = |
1992 | VERTICAL_SCROLLBAR_TOP_RANGE (pixel_height); | |
f451eb13 | 1993 | |
12ba150f JB |
1994 | if (whole == 0) |
1995 | x_scrollbar_set_handle (bar, 0, top_range, 0); | |
1996 | else | |
1997 | { | |
1998 | int start = (position * top_range) / whole; | |
1999 | int end = ((position + portion) * top_range) / whole; | |
2000 | ||
2001 | x_scrollbar_set_handle (bar, start, end, 0); | |
2002 | } | |
f451eb13 JB |
2003 | } |
2004 | ||
12ba150f | 2005 | XSET (window->vertical_scrollbar, Lisp_Vector, bar); |
f451eb13 JB |
2006 | } |
2007 | ||
12ba150f | 2008 | |
f451eb13 JB |
2009 | /* The following three hooks are used when we're doing a thorough |
2010 | redisplay of the frame. We don't explicitly know which scrollbars | |
2011 | are going to be deleted, because keeping track of when windows go | |
12ba150f JB |
2012 | away is a real pain - "Can you say set-window-configuration, boys |
2013 | and girls?" Instead, we just assert at the beginning of redisplay | |
2014 | that *all* scrollbars are to be removed, and then save a scrollbar | |
2015 | from the fiery pit when we actually redisplay its window. */ | |
f451eb13 JB |
2016 | |
2017 | /* Arrange for all scrollbars on FRAME to be removed at the next call | |
2018 | to `*judge_scrollbars_hook'. A scrollbar may be spared if | |
12ba150f | 2019 | `*redeem_scrollbar_hook' is applied to its window before the judgement. */ |
f451eb13 JB |
2020 | static void |
2021 | XTcondemn_scrollbars (frame) | |
2022 | FRAME_PTR frame; | |
2023 | { | |
12ba150f JB |
2024 | /* The condemned list should be empty at this point; if it's not, |
2025 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2026 | protocol correctly. */ | |
2027 | if (! NILP (FRAME_CONDEMNED_SCROLLBARS (frame))) | |
2028 | abort (); | |
2029 | ||
2030 | /* Move them all to the "condemned" list. */ | |
2031 | FRAME_CONDEMNED_SCROLLBARS (frame) = FRAME_SCROLLBARS (frame); | |
2032 | FRAME_SCROLLBARS (frame) = Qnil; | |
f451eb13 JB |
2033 | } |
2034 | ||
12ba150f JB |
2035 | /* Unmark WINDOW's scrollbar for deletion in this judgement cycle. |
2036 | Note that WINDOW isn't necessarily condemned at all. */ | |
f451eb13 | 2037 | static void |
12ba150f JB |
2038 | XTredeem_scrollbar (window) |
2039 | struct window *window; | |
f451eb13 | 2040 | { |
12ba150f JB |
2041 | struct scrollbar *bar; |
2042 | ||
2043 | /* We can't redeem this window's scrollbar if it doesn't have one. */ | |
2044 | if (NILP (window->vertical_scrollbar)) | |
2045 | abort (); | |
2046 | ||
2047 | bar = XSCROLLBAR (window->vertical_scrollbar); | |
2048 | ||
2049 | /* Unlink it from the condemned list. */ | |
2050 | { | |
2051 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2052 | ||
2053 | if (NILP (bar->prev)) | |
2054 | { | |
2055 | /* If the prev pointer is nil, it must be the first in one of | |
2056 | the lists. */ | |
2057 | if (EQ (FRAME_SCROLLBARS (f), window->vertical_scrollbar)) | |
2058 | /* It's not condemned. Everything's fine. */ | |
2059 | return; | |
2060 | else if (EQ (FRAME_CONDEMNED_SCROLLBARS (f), | |
2061 | window->vertical_scrollbar)) | |
2062 | FRAME_CONDEMNED_SCROLLBARS (f) = bar->next; | |
2063 | else | |
2064 | /* If its prev pointer is nil, it must be at the front of | |
2065 | one or the other! */ | |
2066 | abort (); | |
2067 | } | |
2068 | else | |
2069 | XSCROLLBAR (bar->prev)->next = bar->next; | |
2070 | ||
2071 | if (! NILP (bar->next)) | |
2072 | XSCROLLBAR (bar->next)->prev = bar->prev; | |
2073 | ||
2074 | bar->next = FRAME_SCROLLBARS (f); | |
2075 | bar->prev = Qnil; | |
2076 | XSET (FRAME_SCROLLBARS (f), Lisp_Vector, bar); | |
2077 | if (! NILP (bar->next)) | |
2078 | XSET (XSCROLLBAR (bar->next)->prev, Lisp_Vector, bar); | |
2079 | } | |
f451eb13 JB |
2080 | } |
2081 | ||
2082 | /* Remove all scrollbars on FRAME that haven't been saved since the | |
2083 | last call to `*condemn_scrollbars_hook'. */ | |
2084 | static void | |
12ba150f JB |
2085 | XTjudge_scrollbars (f) |
2086 | FRAME_PTR f; | |
f451eb13 | 2087 | { |
12ba150f | 2088 | Lisp_Object bar, next; |
f451eb13 | 2089 | |
12ba150f JB |
2090 | for (bar = FRAME_CONDEMNED_SCROLLBARS (f); |
2091 | ! NILP (bar); | |
2092 | bar = next) | |
f451eb13 | 2093 | { |
12ba150f JB |
2094 | struct scrollbar *b = XSCROLLBAR (bar); |
2095 | ||
2096 | x_scrollbar_remove (b); | |
2097 | ||
2098 | next = b->next; | |
2099 | b->next = b->prev = Qnil; | |
f451eb13 | 2100 | } |
12ba150f JB |
2101 | |
2102 | FRAME_CONDEMNED_SCROLLBARS (f) = Qnil; | |
2103 | ||
2104 | /* Now there should be no references to the condemned scrollbars, | |
2105 | and they should get garbage-collected. */ | |
f451eb13 JB |
2106 | } |
2107 | ||
2108 | ||
2109 | /* Handle an Expose or GraphicsExpose event on a scrollbar. */ | |
2110 | static void | |
2111 | x_scrollbar_expose (bar, event) | |
2112 | struct scrollbar *bar; | |
2113 | XEvent *event; | |
2114 | { | |
12ba150f JB |
2115 | Window w = SCROLLBAR_X_WINDOW (bar); |
2116 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; | |
2117 | ||
f451eb13 JB |
2118 | BLOCK_INPUT; |
2119 | ||
12ba150f | 2120 | x_scrollbar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2121 | |
12ba150f JB |
2122 | /* Draw a one-pixel border just inside the edges of the scrollbar. */ |
2123 | XDrawRectangle (x_current_display, w, gc, | |
f451eb13 JB |
2124 | |
2125 | /* x, y, width, height */ | |
12ba150f | 2126 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2127 | |
12ba150f JB |
2128 | /* Draw another line to make the extra-thick border on the right. */ |
2129 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2130 | |
12ba150f JB |
2131 | /* x, y, width, height */ |
2132 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2133 | |
2134 | UNBLOCK_INPUT; | |
2135 | } | |
2136 | ||
2137 | /* Handle a mouse click on the scrollbar BAR. If *EMACS_EVENT's kind | |
2138 | is set to something other than no_event, it is enqueued. */ | |
2139 | static void | |
2140 | x_scrollbar_handle_click (bar, event, emacs_event) | |
2141 | struct scrollbar *bar; | |
2142 | XEvent *event; | |
2143 | struct input_event *emacs_event; | |
2144 | { | |
12ba150f JB |
2145 | if (XTYPE (bar->window) != Lisp_Window) |
2146 | abort (); | |
2147 | ||
f451eb13 | 2148 | emacs_event->kind = scrollbar_click; |
12ba150f | 2149 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 JB |
2150 | emacs_event->modifiers = |
2151 | (x_convert_modifiers (event->xbutton.state) | |
2152 | | (event->type == ButtonRelease | |
2153 | ? up_modifier | |
2154 | : down_modifier)); | |
12ba150f | 2155 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2156 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2157 | { |
2158 | int internal_height = | |
2159 | VERTICAL_SCROLLBAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2160 | int top_range = | |
2161 | VERTICAL_SCROLLBAR_TOP_RANGE (XINT (bar->height)); | |
2162 | int y = event->xbutton.y - VERTICAL_SCROLLBAR_TOP_BORDER; | |
2163 | ||
2164 | if (y < 0) y = 0; | |
2165 | if (y > top_range) y = top_range; | |
2166 | ||
2167 | if (y < XINT (bar->start)) | |
2168 | emacs_event->part = scrollbar_above_handle; | |
2169 | else if (y < XINT (bar->end) + VERTICAL_SCROLLBAR_MIN_HANDLE) | |
2170 | emacs_event->part = scrollbar_handle; | |
2171 | else | |
2172 | emacs_event->part = scrollbar_below_handle; | |
2173 | ||
2174 | /* If the user has just clicked on the handle, record where they're | |
2175 | holding it. */ | |
2176 | if (event->type == ButtonPress | |
2177 | && emacs_event->part == scrollbar_handle) | |
2178 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); | |
2179 | ||
2180 | /* If the user has released the handle, set it to its final position. */ | |
2181 | if (event->type == ButtonRelease | |
2182 | && ! NILP (bar->dragging)) | |
2183 | { | |
2184 | int new_start = y - XINT (bar->dragging); | |
2185 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2186 | |
12ba150f JB |
2187 | x_scrollbar_set_handle (bar, new_start, new_end, 0); |
2188 | bar->dragging = Qnil; | |
2189 | } | |
f451eb13 | 2190 | |
12ba150f JB |
2191 | /* Clicks on the handle are always reported as occuring at the top of |
2192 | the handle. */ | |
2193 | if (emacs_event->part == scrollbar_handle) | |
2194 | emacs_event->x = bar->start; | |
2195 | else | |
2196 | XSET (emacs_event->x, Lisp_Int, y); | |
f451eb13 | 2197 | |
12ba150f JB |
2198 | XSET (emacs_event->y, Lisp_Int, top_range); |
2199 | } | |
2200 | } | |
f451eb13 JB |
2201 | |
2202 | /* Handle some mouse motion while someone is dragging the scrollbar. */ | |
2203 | static void | |
12ba150f | 2204 | x_scrollbar_note_movement (bar, event) |
f451eb13 JB |
2205 | struct scrollbar *bar; |
2206 | XEvent *event; | |
2207 | { | |
2208 | last_mouse_movement_time = event->xmotion.time; | |
2209 | ||
2210 | mouse_moved = 1; | |
12ba150f | 2211 | XSET (last_mouse_scrollbar, Lisp_Vector, bar); |
f451eb13 JB |
2212 | |
2213 | /* If we're dragging the bar, display it. */ | |
12ba150f | 2214 | if (! NILP (bar->dragging)) |
f451eb13 JB |
2215 | { |
2216 | /* Where should the handle be now? */ | |
12ba150f | 2217 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2218 | |
12ba150f | 2219 | if (new_start != XINT (bar->start)) |
f451eb13 | 2220 | { |
12ba150f | 2221 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2222 | |
12ba150f | 2223 | x_scrollbar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2224 | } |
2225 | } | |
2226 | ||
2227 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2228 | moves and we can see *still* on the same position. */ | |
2229 | { | |
2230 | int dummy; | |
2231 | ||
2232 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2233 | (Window *) &dummy, (Window *) &dummy, | |
2234 | &dummy, &dummy, &dummy, &dummy, | |
2235 | (unsigned int *) &dummy); | |
2236 | } | |
2237 | } | |
2238 | ||
12ba150f JB |
2239 | /* Return information to the user about the current position of the mouse |
2240 | on the scrollbar. */ | |
2241 | static void | |
2242 | x_scrollbar_report_motion (f, bar_window, part, x, y, time) | |
2243 | FRAME_PTR *f; | |
2244 | Lisp_Object *bar_window; | |
2245 | enum scrollbar_part *part; | |
2246 | Lisp_Object *x, *y; | |
2247 | unsigned long *time; | |
2248 | { | |
2249 | struct scrollbar *bar = XSCROLLBAR (last_mouse_scrollbar); | |
2250 | int win_x, win_y; | |
2251 | ||
2252 | /* Get the mouse's position relative to the scrollbar window, and | |
2253 | report that. */ | |
2254 | { | |
2255 | Window dummy_window; | |
2256 | int dummy_coord; | |
2257 | unsigned int dummy_mask; | |
2258 | ||
2259 | if (! XQueryPointer (x_current_display, | |
2260 | SCROLLBAR_X_WINDOW (bar), | |
2261 | ||
2262 | /* Root, child, root x and root y. */ | |
2263 | &dummy_window, &dummy_window, | |
2264 | &dummy_coord, &dummy_coord, | |
2265 | ||
2266 | /* Position relative to scrollbar. */ | |
2267 | &win_x, &win_y, | |
2268 | ||
2269 | /* Mouse buttons and modifier keys. */ | |
2270 | &dummy_mask)) | |
2271 | { | |
2272 | *f = 0; | |
2273 | return; | |
2274 | } | |
2275 | } | |
2276 | ||
2277 | { | |
2278 | int inside_height = VERTICAL_SCROLLBAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2279 | int top_range = VERTICAL_SCROLLBAR_TOP_RANGE (XINT (bar->height)); | |
2280 | ||
2281 | win_y -= VERTICAL_SCROLLBAR_TOP_BORDER; | |
2282 | ||
2283 | if (! NILP (bar->dragging)) | |
2284 | win_y -= XINT (bar->dragging); | |
2285 | ||
2286 | if (win_y < 0) | |
2287 | win_y = 0; | |
2288 | if (win_y > top_range) | |
2289 | win_y = top_range; | |
2290 | ||
2291 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2292 | *bar_window = bar->window; | |
2293 | ||
2294 | if (! NILP (bar->dragging)) | |
2295 | *part = scrollbar_handle; | |
2296 | else if (win_y < XINT (bar->start)) | |
2297 | *part = scrollbar_above_handle; | |
2298 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLLBAR_MIN_HANDLE) | |
2299 | *part = scrollbar_handle; | |
2300 | else | |
2301 | *part = scrollbar_below_handle; | |
2302 | ||
2303 | XSET (*x, Lisp_Int, win_y); | |
2304 | XSET (*y, Lisp_Int, top_range); | |
2305 | *time = last_mouse_movement_time; | |
2306 | } | |
2307 | ||
2308 | mouse_moved = 0; | |
2309 | last_mouse_scrollbar = Qnil; | |
2310 | } | |
2311 | ||
f451eb13 JB |
2312 | |
2313 | \f | |
2314 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2315 | |
dc6f92b8 JB |
2316 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2317 | but we have to put it out here, since static variables within functions | |
2318 | sometimes don't work. */ | |
2319 | static Time enter_timestamp; | |
2320 | ||
11edeb03 JB |
2321 | /* This holds the state XLookupString needs to implement dead keys |
2322 | and other tricks known as "compose processing". _X Window System_ | |
2323 | says that a portable program can't use this, but Stephen Gildea assures | |
2324 | me that letting the compiler initialize it to zeros will work okay. | |
2325 | ||
2326 | This must be defined outside of XTread_socket, for the same reasons | |
2327 | given for enter_timestamp, above. */ | |
2328 | static XComposeStatus compose_status; | |
2329 | ||
c047688c JA |
2330 | /* Communication with window managers. */ |
2331 | Atom Xatom_wm_protocols; | |
2332 | ||
2333 | /* Kinds of protocol things we may receive. */ | |
2334 | Atom Xatom_wm_take_focus; | |
2335 | Atom Xatom_wm_save_yourself; | |
2336 | Atom Xatom_wm_delete_window; | |
2337 | ||
2338 | /* Other WM communication */ | |
2339 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2340 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2341 | ||
dc6f92b8 JB |
2342 | /* Read events coming from the X server. |
2343 | This routine is called by the SIGIO handler. | |
2344 | We return as soon as there are no more events to be read. | |
2345 | ||
2346 | Events representing keys are stored in buffer BUFP, | |
2347 | which can hold up to NUMCHARS characters. | |
2348 | We return the number of characters stored into the buffer, | |
2349 | thus pretending to be `read'. | |
2350 | ||
2351 | WAITP is nonzero if we should block until input arrives. | |
2352 | EXPECTED is nonzero if the caller knows input is available. */ | |
2353 | ||
7c5283e4 | 2354 | int |
dc6f92b8 JB |
2355 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2356 | register int sd; | |
2357 | register struct input_event *bufp; | |
2358 | register int numchars; | |
2359 | int waitp; | |
2360 | int expected; | |
2361 | { | |
2362 | int count = 0; | |
2363 | int nbytes = 0; | |
2364 | int mask; | |
2365 | int items_pending; /* How many items are in the X queue. */ | |
2366 | XEvent event; | |
f676886a | 2367 | struct frame *f; |
dc6f92b8 JB |
2368 | int event_found; |
2369 | int prefix; | |
2370 | Lisp_Object part; | |
2371 | ||
2372 | if (x_input_blocked) | |
2373 | { | |
2374 | x_pending_input = 1; | |
2375 | return -1; | |
2376 | } | |
2377 | ||
2378 | x_pending_input = 0; | |
2379 | BLOCK_INPUT; | |
2380 | ||
2381 | if (numchars <= 0) | |
2382 | abort (); /* Don't think this happens. */ | |
2383 | ||
2384 | #ifdef FIOSNBIO | |
2385 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2386 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2387 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2388 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2389 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2390 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2391 | |
2392 | #ifndef SIGIO | |
2393 | #ifndef HAVE_SELECT | |
2394 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2395 | { | |
2396 | extern int read_alarm_should_throw; | |
2397 | read_alarm_should_throw = 1; | |
2398 | XPeekEvent (XDISPLAY &event); | |
2399 | read_alarm_should_throw = 0; | |
2400 | } | |
c118dd06 JB |
2401 | #endif /* HAVE_SELECT */ |
2402 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2403 | |
2404 | while (XStuffPending () != 0) | |
2405 | { | |
2406 | XNextEvent (XDISPLAY &event); | |
2407 | event_found = 1; | |
2408 | ||
2409 | switch (event.type) | |
2410 | { | |
2411 | #ifdef HAVE_X11 | |
c047688c JA |
2412 | case ClientMessage: |
2413 | { | |
2414 | if (event.xclient.message_type == Xatom_wm_protocols | |
2415 | && event.xclient.format == 32) | |
2416 | { | |
2417 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2418 | { | |
f676886a JB |
2419 | f = x_window_to_frame (event.xclient.window); |
2420 | if (f) | |
2421 | x_focus_on_frame (f); | |
c047688c JA |
2422 | /* Not certain about handling scrollbars here */ |
2423 | } | |
2424 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2425 | { | |
2426 | /* Save state modify the WM_COMMAND property to | |
2427 | something which can reinstate us. This notifies | |
2428 | the session manager, who's looking for such a | |
2429 | PropertyNotify. Can restart processing when | |
2430 | a keyboard or mouse event arrives. */ | |
2431 | if (numchars > 0) | |
2432 | { | |
2433 | } | |
2434 | } | |
2435 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2436 | { | |
f676886a | 2437 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2438 | |
f676886a | 2439 | if (f) |
c047688c JA |
2440 | if (numchars > 0) |
2441 | { | |
2442 | } | |
2443 | } | |
2444 | } | |
2445 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2446 | { | |
2447 | } | |
2448 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2449 | { | |
2450 | int new_x, new_y; | |
2451 | ||
4357eba7 JB |
2452 | new_x = event.xclient.data.s[0]; |
2453 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2454 | } |
2455 | } | |
2456 | break; | |
dc6f92b8 JB |
2457 | |
2458 | case SelectionClear: /* Someone has grabbed ownership. */ | |
2459 | x_disown_selection (event.xselectionclear.window, | |
2460 | event.xselectionclear.selection, | |
2461 | event.xselectionclear.time); | |
2462 | break; | |
2463 | ||
2464 | case SelectionRequest: /* Someone wants our selection. */ | |
2465 | x_answer_selection_request (event); | |
2466 | break; | |
2467 | ||
2468 | case PropertyNotify: | |
28430d3c JB |
2469 | |
2470 | /* If we're being told about a root window property, then it's | |
2471 | a cut buffer change. */ | |
2472 | if (event.xproperty.window == ROOT_WINDOW) | |
2473 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2474 | ||
2475 | /* Otherwise, we're probably handling an incremental | |
2476 | selection transmission. */ | |
2477 | else | |
2478 | { | |
2479 | /* If we were to do this synchronously, there'd be no worry | |
2480 | about re-selecting. */ | |
2481 | x_send_incremental (event); | |
2482 | } | |
dc6f92b8 JB |
2483 | break; |
2484 | ||
2485 | case Expose: | |
f676886a JB |
2486 | f = x_window_to_frame (event.xexpose.window); |
2487 | if (f) | |
dc6f92b8 | 2488 | { |
3a88c238 | 2489 | if (f->async_visible == 0) |
dc6f92b8 | 2490 | { |
3a88c238 JB |
2491 | f->async_visible = 1; |
2492 | f->async_iconified = 0; | |
f676886a | 2493 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2494 | } |
2495 | else | |
f451eb13 JB |
2496 | { |
2497 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2498 | event.xexpose.x, event.xexpose.y, | |
2499 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2500 | } |
2501 | } | |
2502 | else | |
2503 | { | |
2504 | struct scrollbar *bar | |
2505 | = x_window_to_scrollbar (event.xexpose.window); | |
2506 | ||
2507 | if (bar) | |
2508 | x_scrollbar_expose (bar, &event); | |
dc6f92b8 JB |
2509 | } |
2510 | break; | |
2511 | ||
2512 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2513 | source area was obscured or not | |
2514 | available.*/ | |
f451eb13 JB |
2515 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2516 | if (f) | |
2517 | { | |
2518 | dumprectangle (f, | |
2519 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2520 | event.xgraphicsexpose.width, | |
2521 | event.xgraphicsexpose.height); | |
f451eb13 | 2522 | } |
dc6f92b8 JB |
2523 | break; |
2524 | ||
2525 | case NoExpose: /* This occurs when an XCopyArea's | |
2526 | source area was completely | |
2527 | available */ | |
2528 | break; | |
c118dd06 | 2529 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2530 | case ExposeWindow: |
2531 | if (event.subwindow != 0) | |
2532 | break; /* duplicate event */ | |
f676886a JB |
2533 | f = x_window_to_frame (event.window); |
2534 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2535 | { |
f676886a | 2536 | refreshicon (f); |
3a88c238 | 2537 | f->async_iconified = 1; |
dc6f92b8 | 2538 | } |
c118dd06 | 2539 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2540 | { |
2541 | /* Say must check all windows' needs_exposure flags. */ | |
2542 | expose_all_windows = 1; | |
f676886a | 2543 | f->display.x->needs_exposure = 1; |
3a88c238 | 2544 | f->async_visible = 1; |
dc6f92b8 JB |
2545 | } |
2546 | break; | |
2547 | ||
2548 | case ExposeRegion: | |
2549 | if (event.subwindow != 0) | |
2550 | break; /* duplicate event */ | |
f676886a JB |
2551 | f = x_window_to_frame (event.window); |
2552 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2553 | { |
f676886a | 2554 | refreshicon (f); |
dc6f92b8 JB |
2555 | break; |
2556 | } | |
2557 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2558 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2559 | break; |
2560 | /* Put the event on the queue of rectangles to redraw. */ | |
2561 | if (enqueue_event (&event, &x_expose_queue)) | |
2562 | /* If it is full, we can't record the rectangle, | |
2563 | so redraw this entire window. */ | |
2564 | { | |
2565 | /* Say must check all windows' needs_exposure flags. */ | |
2566 | expose_all_windows = 1; | |
f676886a | 2567 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2568 | } |
2569 | break; | |
2570 | ||
2571 | case ExposeCopy: | |
2572 | /* This should happen only when we are expecting it, | |
2573 | in x_read_exposes. */ | |
2574 | abort (); | |
c118dd06 | 2575 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2576 | |
2577 | #ifdef HAVE_X11 | |
2578 | case UnmapNotify: | |
f451eb13 JB |
2579 | f = x_window_to_frame (event.xunmap.window); |
2580 | if (f) /* F may no longer exist if | |
f676886a | 2581 | the frame was deleted. */ |
f451eb13 JB |
2582 | { |
2583 | /* While a frame is unmapped, display generation is | |
2584 | disabled; you don't want to spend time updating a | |
2585 | display that won't ever be seen. */ | |
2586 | f->async_visible = 0; | |
2587 | } | |
dc6f92b8 JB |
2588 | break; |
2589 | ||
2590 | case MapNotify: | |
f676886a JB |
2591 | f = x_window_to_frame (event.xmap.window); |
2592 | if (f) | |
dc6f92b8 | 2593 | { |
3a88c238 JB |
2594 | f->async_visible = 1; |
2595 | f->async_iconified = 0; | |
dc6f92b8 JB |
2596 | |
2597 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2598 | the frame's display structures. */ |
2599 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2600 | } |
2601 | break; | |
2602 | ||
2603 | /* Turn off processing if we become fully obscured. */ | |
2604 | case VisibilityNotify: | |
2605 | break; | |
2606 | ||
c118dd06 | 2607 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2608 | case UnmapWindow: |
f676886a JB |
2609 | f = x_window_to_frame (event.window); |
2610 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2611 | f->async_iconified = 0; |
c118dd06 | 2612 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2613 | f->async_visible = 0; |
dc6f92b8 | 2614 | break; |
c118dd06 | 2615 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2616 | |
2617 | #ifdef HAVE_X11 | |
2618 | case KeyPress: | |
f676886a | 2619 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2620 | |
f676886a | 2621 | if (f != 0) |
dc6f92b8 JB |
2622 | { |
2623 | KeySym keysym; | |
dc6f92b8 | 2624 | char copy_buffer[80]; |
3a2712f9 JB |
2625 | int modifiers = event.xkey.state; |
2626 | ||
2627 | /* Some keyboards generate different characters | |
2628 | depending on the state of the meta key, in an attempt | |
2629 | to support non-English typists. It would be nice to | |
2630 | keep this functionality somehow, but for now, we will | |
2631 | just clear the meta-key flag to get the 'pure' character. */ | |
2632 | event.xkey.state &= ~Mod1Mask; | |
dc6f92b8 | 2633 | |
11edeb03 JB |
2634 | /* This will have to go some day... */ |
2635 | nbytes = | |
2636 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2637 | &compose_status); | |
dc6f92b8 | 2638 | |
55123275 JB |
2639 | /* Strip off the vendor-specific keysym bit, and take a shot |
2640 | at recognizing the codes. HP servers have extra keysyms | |
2641 | that fit into the MiscFunctionKey category. */ | |
2642 | keysym &= ~(1<<28); | |
2643 | ||
dc6f92b8 JB |
2644 | if (numchars > 1) |
2645 | { | |
55123275 JB |
2646 | if (IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ |
2647 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < 0xff80 */ | |
2648 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ | |
2649 | || IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */ | |
dc6f92b8 JB |
2650 | { |
2651 | bufp->kind = non_ascii_keystroke; | |
90e65f07 | 2652 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff50); |
12ba150f | 2653 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
3a2712f9 | 2654 | bufp->modifiers = x_convert_modifiers (modifiers); |
1113d9db | 2655 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2656 | bufp++; |
2657 | count++; | |
2658 | numchars--; | |
2659 | } | |
2660 | else if (numchars > nbytes) | |
2661 | { | |
2662 | register int i; | |
2663 | ||
2664 | if (nbytes == 1) | |
2665 | { | |
f689eb05 | 2666 | if (modifiers & x_meta_mod_mask) |
dc6f92b8 JB |
2667 | *copy_buffer |= METABIT; |
2668 | bufp->kind = ascii_keystroke; | |
2669 | XSET (bufp->code, Lisp_Int, *copy_buffer); | |
12ba150f | 2670 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
1113d9db | 2671 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2672 | bufp++; |
2673 | } | |
2674 | else | |
2675 | for (i = nbytes - 1; i > 1; i--) | |
2676 | { | |
2677 | bufp->kind = ascii_keystroke; | |
2678 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); | |
12ba150f | 2679 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
1113d9db | 2680 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2681 | bufp++; |
2682 | } | |
2683 | ||
2684 | count += nbytes; | |
2685 | numchars -= nbytes; | |
2686 | } | |
2687 | } | |
2688 | } | |
2689 | break; | |
c118dd06 | 2690 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2691 | case KeyPressed: |
2692 | { | |
2693 | register char *where_mapping; | |
2694 | ||
f676886a | 2695 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2696 | /* Ignore keys typed on icon windows. */ |
f676886a | 2697 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2698 | break; |
2699 | where_mapping = XLookupMapping (&event, &nbytes); | |
2700 | /* Nasty fix for arrow keys */ | |
2701 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2702 | { | |
2703 | switch (event.detail & 0xff) | |
2704 | { | |
2705 | case KC_CURSOR_LEFT: | |
2706 | where_mapping = "\002"; | |
2707 | break; | |
2708 | case KC_CURSOR_RIGHT: | |
2709 | where_mapping = "\006"; | |
2710 | break; | |
2711 | case KC_CURSOR_UP: | |
2712 | where_mapping = "\020"; | |
2713 | break; | |
2714 | case KC_CURSOR_DOWN: | |
2715 | where_mapping = "\016"; | |
2716 | break; | |
2717 | } | |
2718 | nbytes = 1; | |
2719 | } | |
2720 | if (numchars - nbytes > 0) | |
2721 | { | |
2722 | register int i; | |
2723 | ||
2724 | for (i = 0; i < nbytes; i++) | |
2725 | { | |
2726 | bufp->kind = ascii_keystroke; | |
2727 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2728 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 2729 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
2730 | bufp++; |
2731 | } | |
2732 | count += nbytes; | |
2733 | numchars -= nbytes; | |
2734 | } | |
2735 | } | |
2736 | break; | |
c118dd06 | 2737 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2738 | |
2739 | #ifdef HAVE_X11 | |
f451eb13 JB |
2740 | |
2741 | /* Here's a possible interpretation of the whole | |
2742 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
2743 | FocusIn event, you have to get a FocusOut event before you | |
2744 | relinquish the focus. If you haven't received a FocusIn event, | |
2745 | then a mere LeaveNotify is enough to free you. */ | |
2746 | ||
dc6f92b8 | 2747 | case EnterNotify: |
f676886a | 2748 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 2749 | |
f451eb13 | 2750 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 2751 | { |
dc6f92b8 | 2752 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
2753 | if (f && (!(f->auto_raise) |
2754 | || !(f->auto_lower) | |
dc6f92b8 JB |
2755 | || (event.xcrossing.time - enter_timestamp) > 500)) |
2756 | { | |
f676886a | 2757 | x_new_focus_frame (f); |
dc6f92b8 JB |
2758 | enter_timestamp = event.xcrossing.time; |
2759 | } | |
dc6f92b8 | 2760 | } |
f676886a JB |
2761 | else if (f == x_focus_frame) |
2762 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2763 | |
2764 | break; | |
2765 | ||
2766 | case FocusIn: | |
f676886a | 2767 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2768 | if (event.xfocus.detail != NotifyPointer) |
2769 | x_focus_event_frame = f; | |
f676886a JB |
2770 | if (f) |
2771 | x_new_focus_frame (f); | |
dc6f92b8 JB |
2772 | break; |
2773 | ||
f451eb13 | 2774 | |
dc6f92b8 | 2775 | case LeaveNotify: |
f451eb13 | 2776 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 2777 | |
f451eb13 JB |
2778 | if (event.xcrossing.focus) |
2779 | { | |
2780 | if (! x_focus_event_frame) | |
2781 | x_new_focus_frame (0); | |
2782 | else | |
f676886a | 2783 | x_new_focus_frame (f); |
f451eb13 JB |
2784 | } |
2785 | else | |
2786 | { | |
2787 | if (f == x_focus_event_frame) | |
2788 | x_focus_event_frame = 0; | |
2789 | if (f == x_focus_frame) | |
f676886a | 2790 | x_new_focus_frame (0); |
dc6f92b8 JB |
2791 | } |
2792 | break; | |
2793 | ||
2794 | case FocusOut: | |
f676886a | 2795 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2796 | if (event.xfocus.detail != NotifyPointer |
2797 | && f == x_focus_event_frame) | |
2798 | x_focus_event_frame = 0; | |
f676886a JB |
2799 | if (f && f == x_focus_frame) |
2800 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2801 | break; |
2802 | ||
c118dd06 | 2803 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2804 | |
2805 | case EnterWindow: | |
2806 | if ((event.detail & 0xFF) == 1) | |
2807 | break; /* Coming from our own subwindow */ | |
2808 | if (event.subwindow != 0) | |
2809 | break; /* Entering our own subwindow. */ | |
2810 | ||
2811 | { | |
f676886a JB |
2812 | f = x_window_to_frame (event.window); |
2813 | x_mouse_frame = f; | |
dc6f92b8 | 2814 | |
f676886a | 2815 | x_new_focus_frame (f); |
dc6f92b8 JB |
2816 | } |
2817 | break; | |
2818 | ||
2819 | case LeaveWindow: | |
2820 | if ((event.detail & 0xFF) == 1) | |
2821 | break; /* Entering our own subwindow */ | |
2822 | if (event.subwindow != 0) | |
2823 | break; /* Leaving our own subwindow. */ | |
2824 | ||
f676886a JB |
2825 | x_mouse_frame = 0; |
2826 | if (x_focus_frame == 0 | |
2827 | && x_input_frame != 0 | |
2828 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 2829 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 2830 | { |
f676886a JB |
2831 | f = x_input_frame; |
2832 | x_input_frame = 0; | |
2833 | if (f) | |
2834 | frame_unhighlight (f); | |
dc6f92b8 JB |
2835 | } |
2836 | break; | |
c118dd06 | 2837 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2838 | |
2839 | #ifdef HAVE_X11 | |
2840 | case MotionNotify: | |
2841 | { | |
f676886a JB |
2842 | f = x_window_to_frame (event.xmotion.window); |
2843 | if (f) | |
12ba150f | 2844 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 2845 | else |
dc6f92b8 | 2846 | { |
f451eb13 JB |
2847 | struct scrollbar *bar = |
2848 | x_window_to_scrollbar (event.xmotion.window); | |
2849 | ||
2850 | if (bar) | |
12ba150f | 2851 | x_scrollbar_note_movement (bar, &event); |
dc6f92b8 | 2852 | } |
dc6f92b8 JB |
2853 | } |
2854 | break; | |
2855 | ||
2856 | case ConfigureNotify: | |
2857 | { | |
2858 | int rows, columns; | |
f676886a JB |
2859 | f = x_window_to_frame (event.xconfigure.window); |
2860 | if (!f) | |
dc6f92b8 JB |
2861 | break; |
2862 | ||
f451eb13 JB |
2863 | columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); |
2864 | rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
dc6f92b8 | 2865 | |
90e65f07 JB |
2866 | /* Even if the number of character rows and columns has |
2867 | not changed, the font size may have changed, so we need | |
2868 | to check the pixel dimensions as well. */ | |
f676886a JB |
2869 | if (columns != f->width |
2870 | || rows != f->height | |
2871 | || event.xconfigure.width != f->display.x->pixel_width | |
2872 | || event.xconfigure.height != f->display.x->pixel_height) | |
dc6f92b8 | 2873 | { |
b1c884c3 | 2874 | change_frame_size (f, rows, columns, 0, 1); |
f676886a | 2875 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2876 | } |
2877 | ||
f676886a JB |
2878 | f->display.x->pixel_width = event.xconfigure.width; |
2879 | f->display.x->pixel_height = event.xconfigure.height; | |
2880 | f->display.x->left_pos = event.xconfigure.x; | |
2881 | f->display.x->top_pos = event.xconfigure.y; | |
dc6f92b8 JB |
2882 | break; |
2883 | } | |
2884 | ||
2885 | case ButtonPress: | |
2886 | case ButtonRelease: | |
2887 | { | |
2888 | /* If we decide we want to generate an event to be seen | |
2889 | by the rest of Emacs, we put it here. */ | |
2890 | struct input_event emacs_event; | |
2891 | emacs_event.kind = no_event; | |
2892 | ||
f676886a JB |
2893 | f = x_window_to_frame (event.xbutton.window); |
2894 | if (f) | |
f451eb13 JB |
2895 | { |
2896 | if (!x_focus_frame || (f == x_focus_frame)) | |
2897 | construct_mouse_click (&emacs_event, | |
2898 | &event, f, Qnil, 0); | |
2899 | } | |
dc6f92b8 | 2900 | else |
f451eb13 JB |
2901 | { |
2902 | struct scrollbar *bar = | |
2903 | x_window_to_scrollbar (event.xbutton.window); | |
2904 | ||
2905 | if (bar) | |
2906 | x_scrollbar_handle_click (bar, &event, &emacs_event); | |
2907 | } | |
dc6f92b8 JB |
2908 | |
2909 | if (numchars >= 1 && emacs_event.kind != no_event) | |
2910 | { | |
2911 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
2912 | bufp++; | |
2913 | count++; | |
2914 | numchars--; | |
2915 | } | |
2916 | } | |
2917 | break; | |
2918 | ||
c118dd06 | 2919 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2920 | case ButtonPressed: |
2921 | case ButtonReleased: | |
f676886a JB |
2922 | f = x_window_to_frame (event.window); |
2923 | if (f) | |
dc6f92b8 | 2924 | { |
f676886a | 2925 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 2926 | { |
f676886a | 2927 | x_make_frame_visible (f); |
dc6f92b8 JB |
2928 | |
2929 | if (warp_mouse_on_deiconify) | |
c118dd06 | 2930 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
2931 | break; |
2932 | } | |
c118dd06 | 2933 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 2934 | { |
f676886a JB |
2935 | if (f->auto_raise) |
2936 | x_raise_frame (f); | |
dc6f92b8 JB |
2937 | } |
2938 | } | |
2939 | enqueue_event (&event, &x_mouse_queue); | |
2940 | if (numchars >= 2) | |
2941 | { | |
2942 | bufp->kind = ascii_keystroke; | |
2943 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 2944 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 2945 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
2946 | bufp++; |
2947 | ||
2948 | bufp->kind = ascii_keystroke; | |
2949 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 2950 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 2951 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
2952 | bufp++; |
2953 | ||
2954 | count += 2; | |
2955 | numchars -= 2; | |
2956 | } | |
2957 | break; | |
c118dd06 | 2958 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2959 | |
2960 | #ifdef HAVE_X11 | |
2961 | ||
2962 | case CirculateNotify: | |
2963 | break; | |
2964 | case CirculateRequest: | |
2965 | break; | |
2966 | ||
c118dd06 | 2967 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2968 | |
2969 | case MappingNotify: | |
11edeb03 JB |
2970 | /* Someone has changed the keyboard mapping - update the |
2971 | local cache. */ | |
2972 | switch (event.xmapping.request) | |
2973 | { | |
2974 | case MappingModifier: | |
2975 | x_find_modifier_meanings (); | |
2976 | /* This is meant to fall through. */ | |
2977 | case MappingKeyboard: | |
2978 | XRefreshKeyboardMapping (&event.xmapping); | |
2979 | } | |
dc6f92b8 JB |
2980 | break; |
2981 | ||
2982 | default: | |
2983 | break; | |
2984 | } | |
2985 | } | |
2986 | ||
2987 | #if 0 | |
2988 | #ifdef HAVE_SELECT | |
2989 | if (expected && ! event_found) | |
2990 | { | |
2991 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
2992 | there is an EOF condition; in other words, that X has died. | |
2993 | Act as if there had been a hangup. */ | |
2994 | ||
2995 | int fd = ConnectionNumber (x_current_display); | |
2996 | int mask = 1 << fd; | |
2997 | ||
2998 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 2999 | (EMACS_TIME) 0) |
dc6f92b8 JB |
3000 | && !XStuffPending ()) |
3001 | kill (getpid (), SIGHUP); | |
3002 | } | |
c118dd06 JB |
3003 | #endif /* ! defined (HAVE_SELECT) */ |
3004 | #endif /* ! 0 */ | |
dc6f92b8 | 3005 | |
f451eb13 | 3006 | #ifndef HAVE_X11 |
f676886a | 3007 | if (updating_frame == 0) |
dc6f92b8 | 3008 | x_do_pending_expose (); |
f451eb13 | 3009 | #endif |
dc6f92b8 JB |
3010 | |
3011 | UNBLOCK_INPUT; | |
3012 | return count; | |
3013 | } | |
3014 | ||
3015 | #ifndef HAVE_X11 | |
3016 | /* Read and process only Expose events | |
3017 | until we get an ExposeCopy event; then return. | |
3018 | This is used in insert/delete line. | |
3019 | We assume input is already blocked. */ | |
3020 | ||
3021 | static void | |
3022 | x_read_exposes () | |
3023 | { | |
f676886a | 3024 | struct frame *f; |
dc6f92b8 JB |
3025 | XKeyPressedEvent event; |
3026 | ||
3027 | while (1) | |
3028 | { | |
3029 | /* while there are more events*/ | |
3030 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3031 | switch (event.type) | |
3032 | { | |
3033 | case ExposeWindow: | |
3034 | if (event.subwindow != 0) | |
3035 | break; /* duplicate event */ | |
f676886a JB |
3036 | f = x_window_to_frame (event.window); |
3037 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3038 | { |
f676886a | 3039 | refreshicon (f); |
dc6f92b8 JB |
3040 | break; |
3041 | } | |
c118dd06 | 3042 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3043 | { |
3044 | expose_all_windows = 1; | |
f676886a | 3045 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3046 | break; |
3047 | } | |
3048 | break; | |
3049 | ||
3050 | case ExposeRegion: | |
3051 | if (event.subwindow != 0) | |
3052 | break; /* duplicate event */ | |
f676886a JB |
3053 | f = x_window_to_frame (event.window); |
3054 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3055 | { |
f676886a | 3056 | refreshicon (f); |
dc6f92b8 JB |
3057 | break; |
3058 | } | |
3059 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3060 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3061 | break; |
3062 | /* Put the event on the queue of rectangles to redraw. */ | |
3063 | if (enqueue_event (&event, &x_expose_queue)) | |
3064 | /* If it is full, we can't record the rectangle, | |
3065 | so redraw this entire window. */ | |
3066 | { | |
3067 | /* Say must check all windows' needs_exposure flags. */ | |
3068 | expose_all_windows = 1; | |
f676886a | 3069 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3070 | } |
3071 | break; | |
3072 | ||
3073 | case ExposeCopy: | |
3074 | return; | |
3075 | } | |
3076 | } | |
3077 | } | |
3078 | #endif /* HAVE_X11 */ | |
3079 | ||
dc6f92b8 | 3080 | \f |
f451eb13 JB |
3081 | /* Drawing the cursor. */ |
3082 | ||
3083 | ||
dc6f92b8 JB |
3084 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3085 | ||
3086 | static void | |
f676886a JB |
3087 | x_draw_box (f) |
3088 | struct frame *f; | |
dc6f92b8 | 3089 | { |
12ba150f JB |
3090 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3091 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3092 | int width = FONT_WIDTH (f->display.x->font); |
3093 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3094 | |
3095 | #ifdef HAVE_X11 | |
c118dd06 | 3096 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3097 | f->display.x->cursor_gc, |
dc6f92b8 | 3098 | left, top, width - 1, height - 1); |
c118dd06 JB |
3099 | #else /* ! defined (HAVE_X11) */ |
3100 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3101 | left, top, width, 1, |
f676886a | 3102 | f->display.x->cursor_pixel); |
dc6f92b8 | 3103 | |
c118dd06 | 3104 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3105 | left, top, 1, height, |
f676886a | 3106 | f->display.x->cursor_pixel); |
dc6f92b8 | 3107 | |
c118dd06 | 3108 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3109 | left+width-1, top, 1, height, |
f676886a | 3110 | f->display.x->cursor_pixel); |
dc6f92b8 | 3111 | |
c118dd06 | 3112 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3113 | left, top+height-1, width, 1, |
f676886a | 3114 | f->display.x->cursor_pixel); |
c118dd06 | 3115 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3116 | } |
3117 | ||
f676886a | 3118 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3119 | and mark the cursor as not shown. |
3120 | This is used when the text where the cursor is | |
3121 | is about to be rewritten. */ | |
3122 | ||
3123 | static void | |
f676886a JB |
3124 | clear_cursor (f) |
3125 | struct frame *f; | |
dc6f92b8 JB |
3126 | { |
3127 | int mask; | |
3128 | ||
f451eb13 | 3129 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3130 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3131 | return; |
3132 | ||
3133 | #ifdef HAVE_X11 | |
f676886a | 3134 | x_display_cursor (f, 0); |
c118dd06 JB |
3135 | #else /* ! defined (HAVE_X11) */ |
3136 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3137 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3138 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3139 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3140 | f->display.x->background_pixel); | |
c118dd06 | 3141 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3142 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3143 | } |
3144 | ||
90e65f07 | 3145 | static void |
f676886a JB |
3146 | x_display_bar_cursor (f, on) |
3147 | struct frame *f; | |
dc6f92b8 JB |
3148 | int on; |
3149 | { | |
f676886a JB |
3150 | register int phys_x = f->phys_cursor_x; |
3151 | register int phys_y = f->phys_cursor_y; | |
dc6f92b8 JB |
3152 | register int x1; |
3153 | register int y1; | |
3154 | register int y2; | |
3155 | ||
f451eb13 | 3156 | if (! FRAME_VISIBLE_P (f) || (! on && f->phys_cursor_x < 0)) |
dc6f92b8 JB |
3157 | return; |
3158 | ||
3159 | #ifdef HAVE_X11 | |
3160 | if (phys_x >= 0 && | |
f676886a | 3161 | (!on || phys_x != f->cursor_x || phys_y != f->cursor_y)) |
dc6f92b8 | 3162 | { |
12ba150f JB |
3163 | x1 = CHAR_TO_PIXEL_COL (f, phys_x); |
3164 | y1 = CHAR_TO_PIXEL_ROW (f, phys_y) - 1; | |
f676886a | 3165 | y2 = y1 + FONT_HEIGHT (f->display.x->font) + 1; |
dc6f92b8 | 3166 | |
c118dd06 | 3167 | XDrawLine (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3168 | f->display.x->reverse_gc, x1, y1, x1, y2); |
dc6f92b8 | 3169 | |
f676886a | 3170 | f->phys_cursor_x = phys_x = -1; |
dc6f92b8 JB |
3171 | } |
3172 | ||
f676886a | 3173 | if (on && f == x_highlight_frame) |
dc6f92b8 | 3174 | { |
12ba150f JB |
3175 | x1 = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3176 | y1 = CHAR_TO_PIXEL_ROW (f, f->cursor_y) - 1; | |
f676886a | 3177 | y2 = y1 + FONT_HEIGHT (f->display.x->font) + 1; |
dc6f92b8 | 3178 | |
c118dd06 | 3179 | XDrawLine (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3180 | f->display.x->cursor_gc, x1, y1, x1, y2); |
dc6f92b8 | 3181 | |
f676886a JB |
3182 | f->phys_cursor_x = f->cursor_x; |
3183 | f->phys_cursor_y = f->cursor_y; | |
dc6f92b8 | 3184 | } |
c118dd06 | 3185 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3186 | Give it up, dude. |
c118dd06 | 3187 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3188 | } |
3189 | ||
3190 | ||
f676886a | 3191 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3192 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3193 | glyph drawn. */ | |
dc6f92b8 JB |
3194 | |
3195 | static void | |
f676886a JB |
3196 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3197 | struct frame *f; | |
dc6f92b8 | 3198 | int row, column; |
90e65f07 | 3199 | GLYPH glyph; |
dc6f92b8 JB |
3200 | int highlight; |
3201 | { | |
f676886a | 3202 | dumpglyphs (f, |
12ba150f JB |
3203 | CHAR_TO_PIXEL_COL (f, column), |
3204 | CHAR_TO_PIXEL_ROW (f, row), | |
f676886a | 3205 | &glyph, 1, highlight, f->display.x->font); |
dc6f92b8 JB |
3206 | } |
3207 | ||
f676886a | 3208 | /* Turn the displayed cursor of frame F on or off according to ON. |
dc6f92b8 | 3209 | If ON is nonzero, where to put the cursor is specified |
f676886a | 3210 | by F->cursor_x and F->cursor_y. */ |
dc6f92b8 JB |
3211 | |
3212 | static void | |
f676886a JB |
3213 | x_display_box_cursor (f, on) |
3214 | struct frame *f; | |
dc6f92b8 JB |
3215 | int on; |
3216 | { | |
f676886a | 3217 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3218 | |
f676886a | 3219 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3220 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3221 | if (f != updating_frame) |
1113d9db | 3222 | { |
f676886a JB |
3223 | curs_x = FRAME_CURSOR_X (f); |
3224 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3225 | } |
3226 | ||
f451eb13 | 3227 | if (! FRAME_VISIBLE_P (f)) |
dc6f92b8 JB |
3228 | return; |
3229 | ||
3230 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3231 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3232 | return; |
3233 | ||
3234 | /* If cursor is currently being shown and we don't want it to be | |
3235 | or it is in the wrong place, | |
3236 | or we want a hollow box and it's not so, (pout!) | |
3237 | erase it. */ | |
f676886a | 3238 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3239 | && (!on |
f676886a JB |
3240 | || f->phys_cursor_x != curs_x |
3241 | || f->phys_cursor_y != curs_y | |
3242 | || (f->display.x->text_cursor_kind != hollow_box_cursor | |
3243 | && (f != x_highlight_frame)))) | |
dc6f92b8 JB |
3244 | { |
3245 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3246 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3247 | f->phys_cursor_glyph, | |
3248 | current_glyphs->highlight[f->phys_cursor_y]); | |
3249 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3250 | } |
3251 | ||
3252 | /* If we want to show a cursor, | |
3253 | or we want a box cursor and it's not so, | |
3254 | write it in the right place. */ | |
3255 | if (on | |
f676886a JB |
3256 | && (f->phys_cursor_x < 0 |
3257 | || (f->display.x->text_cursor_kind != filled_box_cursor | |
3258 | && f == x_highlight_frame))) | |
dc6f92b8 | 3259 | { |
f676886a | 3260 | f->phys_cursor_glyph |
1113d9db JB |
3261 | = ((current_glyphs->enable[curs_y] |
3262 | && curs_x < current_glyphs->used[curs_y]) | |
3263 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3264 | : SPACEGLYPH); |
f676886a | 3265 | if (f != x_highlight_frame) |
dc6f92b8 | 3266 | { |
f676886a JB |
3267 | x_draw_box (f); |
3268 | f->display.x->text_cursor_kind = hollow_box_cursor; | |
dc6f92b8 JB |
3269 | } |
3270 | else | |
3271 | { | |
f676886a JB |
3272 | x_draw_single_glyph (f, curs_y, curs_x, |
3273 | f->phys_cursor_glyph, 2); | |
3274 | f->display.x->text_cursor_kind = filled_box_cursor; | |
dc6f92b8 JB |
3275 | } |
3276 | ||
f676886a JB |
3277 | f->phys_cursor_x = curs_x; |
3278 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3279 | } |
3280 | ||
f676886a | 3281 | if (updating_frame != f) |
dc6f92b8 JB |
3282 | XFlushQueue (); |
3283 | } | |
3284 | ||
dc6f92b8 JB |
3285 | extern Lisp_Object Vbar_cursor; |
3286 | ||
f676886a JB |
3287 | x_display_cursor (f, on) |
3288 | struct frame *f; | |
dc6f92b8 JB |
3289 | int on; |
3290 | { | |
3291 | if (EQ (Vbar_cursor, Qnil)) | |
f676886a | 3292 | x_display_box_cursor (f, on); |
dc6f92b8 | 3293 | else |
f676886a | 3294 | x_display_bar_cursor (f, on); |
dc6f92b8 JB |
3295 | } |
3296 | \f | |
3297 | /* Icons. */ | |
3298 | ||
f676886a | 3299 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3300 | when we get an expose event for it. */ |
3301 | ||
f676886a JB |
3302 | refreshicon (f) |
3303 | struct frame *f; | |
dc6f92b8 JB |
3304 | { |
3305 | #ifdef HAVE_X11 | |
3306 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3307 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3308 | int mask; |
3309 | ||
f676886a JB |
3310 | if (f->display.x->icon_bitmap_flag) |
3311 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3312 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3313 | icon_bitmap, GXcopy, AllPlanes); | |
3314 | else | |
3315 | { | |
f676886a | 3316 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3317 | struct Lisp_String *str; |
3318 | unsigned char *string; | |
3319 | ||
3320 | string | |
f676886a | 3321 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3322 | |
f676886a | 3323 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3324 | { |
f676886a JB |
3325 | f->display.x->icon_label = string; |
3326 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3327 | XQueryWidth (string, icon_font_info->id) + 10, |
3328 | icon_font_info->height + 10); | |
3329 | } | |
3330 | ||
f676886a | 3331 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3332 | str->size, icon_font_info->id, |
3333 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3334 | } | |
3335 | XFlushQueue (); | |
c118dd06 | 3336 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3337 | } |
3338 | ||
f676886a | 3339 | /* Make the x-window of frame F use the kitchen-sink icon |
dc6f92b8 JB |
3340 | that's a window generated by Emacs. */ |
3341 | ||
3342 | int | |
f676886a JB |
3343 | x_bitmap_icon (f) |
3344 | struct frame *f; | |
dc6f92b8 JB |
3345 | { |
3346 | int mask; | |
3347 | Window icon_window; | |
3348 | ||
c118dd06 | 3349 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3350 | return 1; |
3351 | ||
3352 | #ifdef HAVE_X11 | |
3353 | if (icon_bitmap) | |
3354 | XFreePixmap (x_current_display, icon_bitmap); | |
3355 | ||
3356 | icon_bitmap = | |
c118dd06 | 3357 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3358 | gnu_bits, gnu_width, gnu_height); |
f676886a JB |
3359 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3360 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3361 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3362 | if (f->display.x->icon_desc) |
dc6f92b8 | 3363 | { |
c118dd06 | 3364 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3365 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3366 | } |
3367 | ||
f676886a | 3368 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3369 | 0, 0, sink_width, sink_height, |
3370 | 2, WhitePixmap, (Pixmap) NULL); | |
3371 | ||
3372 | if (icon_window == 0) | |
3373 | return 1; | |
3374 | ||
c118dd06 | 3375 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3376 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3377 | ||
f676886a JB |
3378 | f->display.x->icon_desc = icon_window; |
3379 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3380 | |
3381 | if (icon_bitmap == 0) | |
3382 | icon_bitmap | |
3383 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3384 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3385 | |
3386 | return 0; | |
3387 | } | |
3388 | ||
3389 | ||
f676886a | 3390 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3391 | |
3392 | int | |
f676886a JB |
3393 | x_text_icon (f, icon_name) |
3394 | struct frame *f; | |
dc6f92b8 JB |
3395 | char *icon_name; |
3396 | { | |
3397 | #ifndef HAVE_X11 | |
3398 | int mask; | |
3399 | int width; | |
3400 | Window icon_window; | |
3401 | char *X_DefaultValue; | |
3402 | Bitmap b1; | |
3403 | ||
dc6f92b8 JB |
3404 | #ifndef WhitePixel |
3405 | #define WhitePixel 1 | |
c118dd06 | 3406 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3407 | |
3408 | #ifndef BlackPixel | |
3409 | #define BlackPixel 0 | |
c118dd06 JB |
3410 | #endif /* BlackPixel */ |
3411 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3412 | |
c118dd06 | 3413 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3414 | return 1; |
3415 | ||
3416 | if (icon_font_info == 0) | |
3417 | icon_font_info | |
55123275 JB |
3418 | = XGetFont (XGetDefault (XDISPLAY |
3419 | (char *) XSTRING (invocation_name)->data, | |
3420 | "BodyFont")); | |
dc6f92b8 JB |
3421 | |
3422 | #ifdef HAVE_X11 | |
3423 | if (icon_name) | |
f676886a | 3424 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3425 | else |
f676886a JB |
3426 | if (! f->display.x->icon_label) |
3427 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3428 | |
c118dd06 | 3429 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3430 | (char *) f->display.x->icon_label); |
dc6f92b8 | 3431 | |
f676886a | 3432 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3433 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3434 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3435 | if (f->display.x->icon_desc) |
dc6f92b8 | 3436 | { |
c118dd06 | 3437 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3438 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3439 | } |
3440 | ||
3441 | if (icon_name) | |
f676886a | 3442 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3443 | else |
f676886a JB |
3444 | if (! f->display.x->icon_label) |
3445 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3446 | |
f676886a JB |
3447 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3448 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3449 | f->display.x->left_pos, | |
3450 | f->display.x->top_pos, | |
dc6f92b8 JB |
3451 | width + 10, icon_font_info->height + 10, |
3452 | 2, BlackPixmap, WhitePixmap); | |
3453 | ||
3454 | if (icon_window == 0) | |
3455 | return 1; | |
3456 | ||
c118dd06 | 3457 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3458 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3459 | ||
f676886a JB |
3460 | f->display.x->icon_desc = icon_window; |
3461 | f->display.x->icon_bitmap_flag = 0; | |
3462 | f->display.x->icon_label = 0; | |
c118dd06 | 3463 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3464 | |
3465 | return 0; | |
3466 | } | |
3467 | \f | |
4746118a JB |
3468 | /* Handling X errors. */ |
3469 | ||
12ba150f JB |
3470 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3471 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3472 | |
4746118a | 3473 | static SIGTYPE |
c118dd06 | 3474 | x_connection_closed () |
4746118a JB |
3475 | { |
3476 | if (_Xdebug) | |
3477 | abort (); | |
12ba150f JB |
3478 | |
3479 | shut_down_emacs (0); | |
3480 | ||
3481 | exit (70); | |
4746118a JB |
3482 | } |
3483 | ||
c118dd06 JB |
3484 | /* An X error handler which prints an error message and then kills Emacs. |
3485 | This is what's normally installed as Xlib's handler for protocol and | |
3486 | I/O errors. */ | |
3487 | static int | |
3488 | x_error_quitter (display, error) | |
3489 | Display *display; | |
3490 | XErrorEvent *error; | |
3491 | { | |
3492 | char buf[256]; | |
dc6f92b8 | 3493 | |
c118dd06 JB |
3494 | /* Note that there is no real way portable across R3/R4 to get the |
3495 | original error handler. */ | |
dc6f92b8 | 3496 | |
c118dd06 JB |
3497 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3498 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3499 | buf, error->request_code); | |
dc6f92b8 | 3500 | |
12ba150f JB |
3501 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3502 | get an X error, so we can figure out why it happened. */ | |
3503 | abort (); | |
3504 | ||
c118dd06 | 3505 | x_connection_closed (); |
dc6f92b8 JB |
3506 | } |
3507 | ||
c118dd06 JB |
3508 | /* A buffer for storing X error messages. */ |
3509 | static char (*x_caught_error_message)[200]; | |
3510 | ||
3511 | /* An X error handler which stores the error message in | |
3512 | x_caught_error_message. This is what's installed when | |
3513 | x_catch_errors is in effect. */ | |
3514 | static int | |
3515 | x_error_catcher (display, error) | |
3516 | Display *display; | |
3517 | XErrorEvent *error; | |
3518 | { | |
3519 | XGetErrorText (display, error->error_code, | |
3520 | *x_caught_error_message, sizeof (*x_caught_error_message)); | |
3521 | } | |
3522 | ||
3523 | ||
3524 | /* Begin trapping X errors. | |
dc6f92b8 | 3525 | |
c118dd06 JB |
3526 | After calling this function, X protocol errors no longer cause |
3527 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3528 | |
c118dd06 JB |
3529 | Calling x_check_errors signals an Emacs error if an X error has |
3530 | occurred since the last call to x_catch_errors or x_check_errors. | |
3531 | ||
3532 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3533 | ||
3534 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3535 | ||
3536 | void | |
3537 | x_catch_errors () | |
dc6f92b8 | 3538 | { |
c118dd06 JB |
3539 | /* Make sure any errors from previous requests have been dealt with. */ |
3540 | XSync (x_current_display, False); | |
dc6f92b8 | 3541 | |
c118dd06 JB |
3542 | /* Set up the error buffer. */ |
3543 | x_caught_error_message = | |
3544 | (char (*)[]) xmalloc (sizeof (*x_caught_error_message)); | |
d872b748 | 3545 | (*x_caught_error_message)[0] = '\0'; |
16bd92ea | 3546 | |
c118dd06 JB |
3547 | /* Install our little error handler. */ |
3548 | XHandleError (x_error_catcher); | |
3549 | } | |
16bd92ea | 3550 | |
c118dd06 JB |
3551 | /* If any X protocol errors have arrived since the last call to |
3552 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3553 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3554 | void | |
3555 | x_check_errors (format) | |
3556 | char *format; | |
3557 | { | |
3558 | /* Make sure to catch any errors incurred so far. */ | |
3559 | XSync (x_current_display, False); | |
16bd92ea | 3560 | |
c118dd06 JB |
3561 | if ((*x_caught_error_message)[0]) |
3562 | { | |
3563 | char buf[256]; | |
3564 | ||
3565 | sprintf (buf, format, *x_caught_error_message); | |
3566 | free (x_caught_error_message); | |
dc6f92b8 | 3567 | |
c118dd06 JB |
3568 | x_uncatch_errors (); |
3569 | error (buf); | |
3570 | } | |
3571 | } | |
3572 | ||
3573 | void | |
3574 | x_uncatch_errors () | |
3575 | { | |
3576 | free (x_caught_error_message); | |
3577 | XHandleError (x_error_quitter); | |
dc6f92b8 JB |
3578 | } |
3579 | ||
dc6f92b8 JB |
3580 | #if 0 |
3581 | static unsigned int x_wire_count; | |
3582 | x_trace_wire () | |
3583 | { | |
3584 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3585 | } | |
c118dd06 | 3586 | #endif /* ! 0 */ |
dc6f92b8 JB |
3587 | |
3588 | \f | |
f451eb13 JB |
3589 | /* Changing the font of the frame. */ |
3590 | ||
f676886a | 3591 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3592 | to the font named NEWNAME. This is safe to use |
f676886a | 3593 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3594 | |
3595 | #ifdef HAVE_X11 | |
3596 | ||
3597 | /* A table of all the fonts we have already loaded. */ | |
3598 | static XFontStruct **x_font_table; | |
3599 | ||
3600 | /* The current capacity of x_font_table. */ | |
3601 | static int x_font_table_size; | |
3602 | ||
3603 | /* The number of fonts actually stored in x_font_table. | |
3604 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3605 | 0 <= n_fonts <= x_font_table_size. */ | |
3606 | static int n_fonts; | |
3607 | ||
f676886a JB |
3608 | x_new_font (f, fontname) |
3609 | struct frame *f; | |
dc6f92b8 JB |
3610 | register char *fontname; |
3611 | { | |
3612 | XFontStruct *temp; | |
3613 | int already_loaded; | |
3614 | int n_matching_fonts; | |
3615 | XFontStruct *font_info; | |
3616 | char **font_names; | |
3617 | ||
3618 | /* Get a list of all the fonts that match this name. Once we | |
3619 | have a list of matching fonts, we compare them against the fonts | |
3620 | we already have by comparing font ids. */ | |
3621 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3622 | 1024, &n_matching_fonts, | |
3623 | &font_info); | |
3624 | /* If the server couldn't find any fonts whose named matched fontname, | |
3625 | return an error code. */ | |
3626 | if (n_matching_fonts == 0) | |
3627 | return 1; | |
3628 | ||
90e65f07 | 3629 | /* See if we've already loaded a matching font. */ |
dc6f92b8 JB |
3630 | { |
3631 | int i, j; | |
3632 | ||
3633 | already_loaded = 0; | |
3634 | for (i = 0; i < n_fonts; i++) | |
3635 | for (j = 0; j < n_matching_fonts; j++) | |
3636 | if (x_font_table[i]->fid == font_info[j].fid) | |
3637 | { | |
3638 | already_loaded = i; | |
3639 | goto found_font; | |
3640 | } | |
3641 | } | |
3642 | found_font: | |
3643 | ||
3644 | /* If we have, just return it from the table. */ | |
3645 | if (already_loaded) | |
f676886a | 3646 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3647 | |
dc6f92b8 JB |
3648 | /* Otherwise, load the font and add it to the table. */ |
3649 | else | |
3650 | { | |
3651 | XFontStruct *font; | |
3652 | ||
3653 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); | |
3654 | if (! font) | |
3655 | return 1; | |
3656 | ||
3657 | /* Do we need to create the table? */ | |
3658 | if (x_font_table_size == 0) | |
3659 | { | |
3660 | x_font_table_size = 16; | |
3661 | x_font_table | |
3662 | = (XFontStruct **) xmalloc (x_font_table_size | |
3663 | * sizeof (x_font_table[0])); | |
3664 | } | |
3665 | /* Do we need to grow the table? */ | |
3666 | else if (n_fonts >= x_font_table_size) | |
3667 | { | |
90e65f07 | 3668 | x_font_table_size *= 2; |
dc6f92b8 JB |
3669 | x_font_table |
3670 | = (XFontStruct **) xrealloc (x_font_table, | |
3671 | (x_font_table_size | |
3672 | * sizeof (x_font_table[0]))); | |
3673 | } | |
3674 | ||
f676886a | 3675 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
3676 | } |
3677 | ||
3678 | /* Free the information from XListFontsWithInfo. The data | |
3679 | we actually retain comes from XLoadQueryFont. */ | |
3680 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
3681 | ||
f676886a | 3682 | /* Now make the frame display the given font. */ |
c118dd06 | 3683 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 3684 | { |
f676886a JB |
3685 | XSetFont (x_current_display, f->display.x->normal_gc, |
3686 | f->display.x->font->fid); | |
3687 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
3688 | f->display.x->font->fid); | |
3689 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
3690 | f->display.x->font->fid); | |
3691 | ||
3692 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
3693 | } |
3694 | ||
3695 | return 0; | |
3696 | } | |
c118dd06 | 3697 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
3698 | x_new_font (f, newname) |
3699 | struct frame *f; | |
dc6f92b8 JB |
3700 | register char *newname; |
3701 | { | |
3702 | FONT_TYPE *temp; | |
3703 | int mask; | |
3704 | ||
3705 | temp = XGetFont (newname); | |
3706 | if (temp == (FONT_TYPE *) 0) | |
3707 | return 1; | |
3708 | ||
f676886a JB |
3709 | if (f->display.x->font) |
3710 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 3711 | |
f676886a | 3712 | f->display.x->font = temp; |
dc6f92b8 | 3713 | |
c118dd06 | 3714 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 3715 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
3716 | |
3717 | return 0; | |
3718 | } | |
c118dd06 | 3719 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3720 | \f |
f451eb13 JB |
3721 | /* X Window sizes and positions. */ |
3722 | ||
f676886a JB |
3723 | x_calc_absolute_position (f) |
3724 | struct frame *f; | |
dc6f92b8 JB |
3725 | { |
3726 | #ifdef HAVE_X11 | |
f676886a JB |
3727 | if (f->display.x->left_pos < 0) |
3728 | f->display.x->left_pos | |
7c5283e4 | 3729 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 3730 | |
f676886a JB |
3731 | if (f->display.x->top_pos < 0) |
3732 | f->display.x->top_pos | |
7c5283e4 | 3733 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 3734 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3735 | WINDOWINFO_TYPE parentinfo; |
3736 | ||
c118dd06 | 3737 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 3738 | |
f676886a JB |
3739 | if (f->display.x->left_pos < 0) |
3740 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
3741 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 3742 | |
f676886a JB |
3743 | if (f->display.x->top_pos < 0) |
3744 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
3745 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 3746 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3747 | } |
3748 | ||
f676886a JB |
3749 | x_set_offset (f, xoff, yoff) |
3750 | struct frame *f; | |
dc6f92b8 JB |
3751 | register int xoff, yoff; |
3752 | { | |
f676886a JB |
3753 | f->display.x->top_pos = yoff; |
3754 | f->display.x->left_pos = xoff; | |
3755 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
3756 | |
3757 | BLOCK_INPUT; | |
c118dd06 | 3758 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 3759 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 3760 | #ifdef HAVE_X11 |
f676886a | 3761 | x_wm_set_size_hint (f, 0); |
c118dd06 | 3762 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3763 | UNBLOCK_INPUT; |
3764 | } | |
3765 | ||
f676886a | 3766 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 3767 | |
f676886a JB |
3768 | x_set_window_size (f, cols, rows) |
3769 | struct frame *f; | |
b1c884c3 | 3770 | int cols, rows; |
dc6f92b8 JB |
3771 | { |
3772 | int pixelwidth, pixelheight; | |
3773 | int mask; | |
dc6f92b8 JB |
3774 | |
3775 | BLOCK_INPUT; | |
3776 | ||
b1c884c3 | 3777 | check_frame_size (f, &rows, &cols); |
f451eb13 JB |
3778 | f->display.x->vertical_scrollbar_extra = |
3779 | (FRAME_HAS_VERTICAL_SCROLLBARS (f) | |
3780 | ? VERTICAL_SCROLLBAR_PIXEL_WIDTH (f) | |
3781 | : 0); | |
3782 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
3783 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
3784 | |
3785 | #ifdef HAVE_X11 | |
f676886a | 3786 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
3787 | #endif /* ! defined (HAVE_X11) */ |
3788 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
3789 | |
3790 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
3791 | but the window manager will get around to dealing with the size | |
3792 | change request eventually, and we'll hear how it went when the | |
3793 | ConfigureNotify event gets here. */ | |
3794 | FRAME_WIDTH (f) = cols; | |
12ba150f | 3795 | FRAME_HEIGHT (f) = rows; |
b1c884c3 JB |
3796 | PIXEL_WIDTH (f) = pixelwidth; |
3797 | PIXEL_HEIGHT (f) = pixelheight; | |
3798 | ||
dc6f92b8 JB |
3799 | XFlushQueue (); |
3800 | UNBLOCK_INPUT; | |
3801 | } | |
3802 | ||
3803 | #ifndef HAVE_X11 | |
f676886a JB |
3804 | x_set_resize_hint (f) |
3805 | struct frame *f; | |
dc6f92b8 | 3806 | { |
12ba150f JB |
3807 | XSetResizeHint (FRAME_X_WINDOW (f), |
3808 | 2 * f->display.x->internal_border_width, | |
f676886a | 3809 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
3810 | FONT_WIDTH (f->display.x->font), |
3811 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 3812 | } |
c118dd06 | 3813 | #endif /* HAVE_X11 */ |
dc6f92b8 | 3814 | \f |
f451eb13 | 3815 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 3816 | |
f676886a JB |
3817 | x_set_mouse_position (f, x, y) |
3818 | struct frame *f; | |
dc6f92b8 JB |
3819 | int x, y; |
3820 | { | |
3821 | int pix_x, pix_y; | |
3822 | ||
f676886a | 3823 | x_raise_frame (f); |
dc6f92b8 | 3824 | |
12ba150f JB |
3825 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
3826 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
3827 | |
3828 | if (pix_x < 0) pix_x = 0; | |
3829 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
3830 | ||
3831 | if (pix_y < 0) pix_y = 0; | |
3832 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
3833 | |
3834 | BLOCK_INPUT; | |
dc6f92b8 | 3835 | |
c118dd06 | 3836 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
3837 | UNBLOCK_INPUT; |
3838 | } | |
3839 | ||
3840 | #ifdef HAVE_X11 | |
f676886a JB |
3841 | x_focus_on_frame (f) |
3842 | struct frame *f; | |
dc6f92b8 | 3843 | { |
f676886a | 3844 | x_raise_frame (f); |
6d4238f3 JB |
3845 | #if 0 |
3846 | /* I don't think that the ICCCM allows programs to do things like this | |
3847 | without the interaction of the window manager. Whatever you end up | |
f676886a | 3848 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 3849 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3850 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 3851 | #endif /* ! 0 */ |
dc6f92b8 JB |
3852 | } |
3853 | ||
f676886a JB |
3854 | x_unfocus_frame (f) |
3855 | struct frame *f; | |
dc6f92b8 | 3856 | { |
6d4238f3 | 3857 | #if 0 |
f676886a JB |
3858 | /* Look at the remarks in x_focus_on_frame. */ |
3859 | if (x_focus_frame == f) | |
dc6f92b8 JB |
3860 | XSetInputFocus (x_current_display, PointerRoot, |
3861 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 3862 | #endif /* ! 0 */ |
dc6f92b8 JB |
3863 | } |
3864 | ||
c118dd06 | 3865 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3866 | |
f676886a | 3867 | /* Raise frame F. */ |
dc6f92b8 | 3868 | |
f676886a JB |
3869 | x_raise_frame (f) |
3870 | struct frame *f; | |
dc6f92b8 | 3871 | { |
3a88c238 | 3872 | if (f->async_visible) |
dc6f92b8 JB |
3873 | { |
3874 | BLOCK_INPUT; | |
c118dd06 | 3875 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
3876 | XFlushQueue (); |
3877 | UNBLOCK_INPUT; | |
3878 | } | |
3879 | } | |
3880 | ||
f676886a | 3881 | /* Lower frame F. */ |
dc6f92b8 | 3882 | |
f676886a JB |
3883 | x_lower_frame (f) |
3884 | struct frame *f; | |
dc6f92b8 | 3885 | { |
3a88c238 | 3886 | if (f->async_visible) |
dc6f92b8 JB |
3887 | { |
3888 | BLOCK_INPUT; | |
c118dd06 | 3889 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
3890 | XFlushQueue (); |
3891 | UNBLOCK_INPUT; | |
3892 | } | |
3893 | } | |
3894 | ||
3895 | /* Change from withdrawn state to mapped state. */ | |
3896 | ||
f676886a JB |
3897 | x_make_frame_visible (f) |
3898 | struct frame *f; | |
dc6f92b8 JB |
3899 | { |
3900 | int mask; | |
3901 | ||
dc6f92b8 | 3902 | BLOCK_INPUT; |
dc6f92b8 | 3903 | |
f676886a | 3904 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
3905 | { |
3906 | #ifdef HAVE_X11 | |
3907 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 3908 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 3909 | |
c118dd06 | 3910 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f451eb13 | 3911 | if (FRAME_HAS_VERTICAL_SCROLLBARS (f)) |
c118dd06 JB |
3912 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
3913 | #else /* ! defined (HAVE_X11) */ | |
3914 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
3915 | if (f->display.x->icon_desc != 0) |
3916 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 3917 | |
90e65f07 | 3918 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
3919 | f->async_visible = 1; |
3920 | f->async_iconified = 0; | |
dc6f92b8 | 3921 | |
f676886a | 3922 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 3923 | XTcursor_to (0, 0); |
c118dd06 | 3924 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 3925 | } |
dc6f92b8 | 3926 | |
dc6f92b8 | 3927 | XFlushQueue (); |
90e65f07 | 3928 | |
dc6f92b8 JB |
3929 | UNBLOCK_INPUT; |
3930 | } | |
3931 | ||
3932 | /* Change from mapped state to withdrawn state. */ | |
3933 | ||
f676886a JB |
3934 | x_make_frame_invisible (f) |
3935 | struct frame *f; | |
dc6f92b8 JB |
3936 | { |
3937 | int mask; | |
3938 | ||
3a88c238 | 3939 | if (! f->async_visible) |
dc6f92b8 JB |
3940 | return; |
3941 | ||
3942 | BLOCK_INPUT; | |
c118dd06 JB |
3943 | |
3944 | #ifdef HAVE_X11R4 | |
3945 | ||
3946 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
3947 | DefaultScreen (x_current_display))) | |
3948 | { | |
3949 | UNBLOCK_INPUT_RESIGNAL; | |
3950 | error ("can't notify window manager of window withdrawl"); | |
3951 | } | |
3952 | ||
3953 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 3954 | #ifdef HAVE_X11 |
16bd92ea | 3955 | |
c118dd06 | 3956 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
3957 | if (! EQ (Vx_no_window_manager, Qt)) |
3958 | { | |
16bd92ea | 3959 | XEvent unmap; |
dc6f92b8 | 3960 | |
16bd92ea | 3961 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 3962 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
3963 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
3964 | unmap.xunmap.from_configure = False; | |
3965 | if (! XSendEvent (x_current_display, | |
3966 | DefaultRootWindow (x_current_display), | |
3967 | False, | |
3968 | SubstructureRedirectMask|SubstructureNotifyMask, | |
3969 | &unmap)) | |
3970 | { | |
3971 | UNBLOCK_INPUT_RESIGNAL; | |
3972 | error ("can't notify window manager of withdrawal"); | |
3973 | } | |
dc6f92b8 JB |
3974 | } |
3975 | ||
16bd92ea | 3976 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
3977 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
3978 | ||
3979 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 3980 | |
c118dd06 | 3981 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 3982 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 3983 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
3984 | XUnmapWindow (f->display.x->icon_desc); |
3985 | ||
3986 | #endif /* ! defined (HAVE_X11) */ | |
3987 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
3988 | |
3989 | XFlushQueue (); | |
3990 | UNBLOCK_INPUT; | |
3991 | } | |
3992 | ||
16bd92ea | 3993 | /* Window manager communication. Created in Fx_open_connection. */ |
dc6f92b8 JB |
3994 | extern Atom Xatom_wm_change_state; |
3995 | ||
3996 | /* Change window state from mapped to iconified. */ | |
3997 | ||
f676886a JB |
3998 | x_iconify_frame (f) |
3999 | struct frame *f; | |
dc6f92b8 JB |
4000 | { |
4001 | int mask; | |
4002 | ||
3a88c238 | 4003 | if (f->async_iconified) |
dc6f92b8 JB |
4004 | return; |
4005 | ||
4006 | BLOCK_INPUT; | |
4007 | ||
4008 | #ifdef HAVE_X11 | |
16bd92ea JB |
4009 | /* Since we don't know which revision of X we're running, we'll use both |
4010 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4011 | ||
4012 | /* X11R4: send a ClientMessage to the window manager using the | |
4013 | WM_CHANGE_STATE type. */ | |
4014 | { | |
4015 | XEvent message; | |
4016 | ||
c118dd06 | 4017 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4018 | message.xclient.type = ClientMessage; |
4019 | message.xclient.message_type = Xatom_wm_change_state; | |
4020 | message.xclient.format = 32; | |
4021 | message.xclient.data.l[0] = IconicState; | |
4022 | ||
4023 | if (! XSendEvent (x_current_display, | |
4024 | DefaultRootWindow (x_current_display), | |
4025 | False, | |
4026 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4027 | &message)) | |
dc6f92b8 JB |
4028 | { |
4029 | UNBLOCK_INPUT_RESIGNAL; | |
4030 | error ("Can't notify window manager of iconification."); | |
4031 | } | |
16bd92ea | 4032 | } |
dc6f92b8 | 4033 | |
16bd92ea JB |
4034 | /* X11R3: set the initial_state field of the window manager hints to |
4035 | IconicState. */ | |
4036 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4037 | |
3a88c238 | 4038 | f->async_iconified = 1; |
c118dd06 JB |
4039 | #else /* ! defined (HAVE_X11) */ |
4040 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4041 | |
3a88c238 | 4042 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4043 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4044 | { |
f676886a JB |
4045 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4046 | refreshicon (f); | |
dc6f92b8 | 4047 | } |
c118dd06 | 4048 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4049 | |
4050 | XFlushQueue (); | |
4051 | UNBLOCK_INPUT; | |
4052 | } | |
4053 | ||
f676886a JB |
4054 | /* Destroy the X window of frame F. |
4055 | DISPL is the former f->display (since f->display | |
dc6f92b8 JB |
4056 | has already been nulled out). */ |
4057 | ||
f676886a JB |
4058 | x_destroy_window (f, displ) |
4059 | struct frame *f; | |
dc6f92b8 JB |
4060 | union display displ; |
4061 | { | |
4062 | int mask; | |
4063 | ||
4064 | BLOCK_INPUT; | |
4065 | if (displ.x->icon_desc != 0) | |
4066 | XDestroyWindow (XDISPLAY displ.x->icon_desc); | |
4067 | XDestroyWindow (XDISPLAY displ.x->window_desc); | |
4068 | XFlushQueue (); | |
4069 | UNBLOCK_INPUT; | |
4070 | ||
4071 | free (displ.x); | |
f676886a JB |
4072 | if (f == x_focus_frame) |
4073 | x_focus_frame = 0; | |
4074 | if (f == x_highlight_frame) | |
4075 | x_highlight_frame = 0; | |
dc6f92b8 JB |
4076 | } |
4077 | \f | |
f451eb13 JB |
4078 | /* Manage event queues for X10. */ |
4079 | ||
dc6f92b8 JB |
4080 | #ifndef HAVE_X11 |
4081 | ||
4082 | /* Manage event queues. | |
4083 | ||
4084 | This code is only used by the X10 support. | |
4085 | ||
4086 | We cannot leave events in the X queue and get them when we are ready | |
4087 | because X does not provide a subroutine to get only a certain kind | |
4088 | of event but not block if there are no queued events of that kind. | |
4089 | ||
4090 | Therefore, we must examine events as they come in and copy events | |
4091 | of certain kinds into our private queues. | |
4092 | ||
4093 | All ExposeRegion events are put in x_expose_queue. | |
4094 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4095 | ||
4096 | ||
4097 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4098 | If the queue is full, do nothing, but return nonzero. */ | |
4099 | ||
4100 | int | |
4101 | enqueue_event (p_xrep, queue) | |
4102 | register XEvent *p_xrep; | |
4103 | register struct event_queue *queue; | |
4104 | { | |
4105 | int newindex = queue->windex + 1; | |
4106 | if (newindex == EVENT_BUFFER_SIZE) | |
4107 | newindex = 0; | |
4108 | if (newindex == queue->rindex) | |
4109 | return -1; | |
4110 | queue->xrep[queue->windex] = *p_xrep; | |
4111 | queue->windex = newindex; | |
4112 | return 0; | |
4113 | } | |
4114 | ||
4115 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4116 | If *QUEUE is empty, do nothing and return 0. */ | |
4117 | ||
4118 | int | |
4119 | dequeue_event (p_xrep, queue) | |
4120 | register XEvent *p_xrep; | |
4121 | register struct event_queue *queue; | |
4122 | { | |
4123 | if (queue->windex == queue->rindex) | |
4124 | return 0; | |
4125 | *p_xrep = queue->xrep[queue->rindex++]; | |
4126 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4127 | queue->rindex = 0; | |
4128 | return 1; | |
4129 | } | |
4130 | ||
4131 | /* Return the number of events buffered in *QUEUE. */ | |
4132 | ||
4133 | int | |
4134 | queue_event_count (queue) | |
4135 | register struct event_queue *queue; | |
4136 | { | |
4137 | int tem = queue->windex - queue->rindex; | |
4138 | if (tem >= 0) | |
4139 | return tem; | |
4140 | return EVENT_BUFFER_SIZE + tem; | |
4141 | } | |
4142 | ||
4143 | /* Return nonzero if mouse input is pending. */ | |
4144 | ||
4145 | int | |
4146 | mouse_event_pending_p () | |
4147 | { | |
4148 | return queue_event_count (&x_mouse_queue); | |
4149 | } | |
c118dd06 | 4150 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4151 | \f |
f451eb13 JB |
4152 | /* Setting window manager hints. */ |
4153 | ||
dc6f92b8 JB |
4154 | #ifdef HAVE_X11 |
4155 | ||
f676886a JB |
4156 | x_wm_set_size_hint (f, prompting) |
4157 | struct frame *f; | |
dc6f92b8 JB |
4158 | long prompting; |
4159 | { | |
4160 | XSizeHints size_hints; | |
c118dd06 | 4161 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 JB |
4162 | |
4163 | size_hints.flags = PResizeInc | PMinSize | PMaxSize; | |
4164 | ||
f676886a JB |
4165 | flexlines = f->height; |
4166 | ||
4167 | size_hints.x = f->display.x->left_pos; | |
4168 | size_hints.y = f->display.x->top_pos; | |
4169 | size_hints.height = PIXEL_HEIGHT (f); | |
4170 | size_hints.width = PIXEL_WIDTH (f); | |
4171 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4172 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
12ba150f JB |
4173 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4174 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f451eb13 | 4175 | |
b1c884c3 | 4176 | { |
b0342f17 JB |
4177 | int base_width, base_height; |
4178 | ||
f451eb13 JB |
4179 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4180 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4181 | |
4182 | { | |
4183 | int min_rows = 0, min_cols = 0; | |
4184 | check_frame_size (f, &min_rows, &min_cols); | |
4185 | ||
4186 | /* The window manager uses the base width hints to calculate the | |
4187 | current number of rows and columns in the frame while | |
4188 | resizing; min_width and min_height aren't useful for this | |
4189 | purpose, since they might not give the dimensions for a | |
4190 | zero-row, zero-column frame. | |
4191 | ||
4192 | We use the base_width and base_height members if we have | |
4193 | them; otherwise, we set the min_width and min_height members | |
4194 | to the size for a zero x zero frame. */ | |
4195 | ||
4196 | #ifdef HAVE_X11R4 | |
4197 | size_hints.flags |= PBaseSize; | |
4198 | size_hints.base_width = base_width; | |
4199 | size_hints.base_height = base_height; | |
4200 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4201 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4202 | #else | |
4203 | size_hints.min_width = base_width; | |
4204 | size_hints.min_height = base_height; | |
4205 | #endif | |
4206 | } | |
b1c884c3 | 4207 | |
b1c884c3 | 4208 | } |
dc6f92b8 JB |
4209 | |
4210 | if (prompting) | |
4211 | size_hints.flags |= prompting; | |
4212 | else | |
4213 | { | |
4214 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4215 | ||
4216 | XGetNormalHints (x_current_display, window, &hints); | |
4217 | if (hints.flags & PSize) | |
4218 | size_hints.flags |= PSize; | |
4219 | if (hints.flags & PPosition) | |
4220 | size_hints.flags |= PPosition; | |
4221 | if (hints.flags & USPosition) | |
4222 | size_hints.flags |= USPosition; | |
4223 | if (hints.flags & USSize) | |
4224 | size_hints.flags |= USSize; | |
4225 | } | |
16bd92ea | 4226 | |
b0342f17 JB |
4227 | #ifdef HAVE_X11R4 |
4228 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4229 | #else | |
dc6f92b8 | 4230 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4231 | #endif |
dc6f92b8 JB |
4232 | } |
4233 | ||
4234 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4235 | x_wm_set_window_state (f, state) |
4236 | struct frame *f; | |
dc6f92b8 JB |
4237 | int state; |
4238 | { | |
c118dd06 | 4239 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4240 | |
16bd92ea JB |
4241 | f->display.x->wm_hints.flags |= StateHint; |
4242 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4243 | |
16bd92ea | 4244 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4245 | } |
4246 | ||
f676886a JB |
4247 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4248 | struct frame *f; | |
dc6f92b8 JB |
4249 | Pixmap icon_pixmap; |
4250 | { | |
c118dd06 | 4251 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4252 | |
16bd92ea JB |
4253 | f->display.x->wm_hints.flags |= IconPixmapHint; |
4254 | f->display.x->wm_hints.icon_pixmap = icon_pixmap ? icon_pixmap : None; | |
b1c884c3 | 4255 | |
16bd92ea | 4256 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4257 | } |
4258 | ||
f676886a JB |
4259 | x_wm_set_icon_position (f, icon_x, icon_y) |
4260 | struct frame *f; | |
dc6f92b8 JB |
4261 | int icon_x, icon_y; |
4262 | { | |
c118dd06 | 4263 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4264 | |
16bd92ea JB |
4265 | f->display.x->wm_hints.flags |= IconPositionHint; |
4266 | f->display.x->wm_hints.icon_x = icon_x; | |
4267 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4268 | |
16bd92ea | 4269 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4270 | } |
4271 | ||
4272 | \f | |
f451eb13 JB |
4273 | /* Initialization. */ |
4274 | ||
dc6f92b8 JB |
4275 | void |
4276 | x_term_init (display_name) | |
4277 | char *display_name; | |
4278 | { | |
f676886a | 4279 | Lisp_Object frame; |
dc6f92b8 JB |
4280 | char *defaultvalue; |
4281 | #ifdef F_SETOWN | |
4282 | extern int old_fcntl_owner; | |
c118dd06 | 4283 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4284 | |
f676886a | 4285 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4286 | |
4287 | x_current_display = XOpenDisplay (display_name); | |
4288 | if (x_current_display == 0) | |
4289 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4290 | display_name); | |
4291 | ||
4292 | #ifdef HAVE_X11 | |
4293 | { | |
16bd92ea | 4294 | int hostname_size = 256; |
60fb3ee1 JB |
4295 | |
4296 | hostname = (char *) xmalloc (hostname_size); | |
4297 | ||
dc6f92b8 JB |
4298 | #if 0 |
4299 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4300 | #endif /* ! 0 */ |
dc6f92b8 | 4301 | |
55123275 | 4302 | invocation_name = Ffile_name_nondirectory (Fcar (Vcommand_line_args)); |
60fb3ee1 JB |
4303 | |
4304 | /* Try to get the host name; if the buffer is too short, try | |
4305 | again. Apparently, the only indication gethostname gives of | |
4306 | whether the buffer was large enough is the presence or absence | |
4307 | of a '\0' in the string. Eech. */ | |
4308 | for (;;) | |
4309 | { | |
4310 | gethostname (hostname, hostname_size - 1); | |
4311 | hostname[hostname_size - 1] = '\0'; | |
4312 | ||
4313 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4314 | if (strlen (hostname) < hostname_size - 1) | |
4315 | break; | |
4316 | ||
4317 | hostname_size <<= 1; | |
4318 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4319 | } | |
4320 | x_id_name = (char *) xmalloc (XSTRING (invocation_name)->size | |
4321 | + strlen (hostname) | |
4322 | + 2); | |
4323 | sprintf (x_id_name, "%s@%s", XSTRING (invocation_name)->data, hostname); | |
dc6f92b8 | 4324 | } |
28430d3c JB |
4325 | |
4326 | /* Figure out which modifier bits mean what. */ | |
4327 | x_find_modifier_meanings (); | |
f451eb13 JB |
4328 | |
4329 | /* Get the scrollbar cursor. */ | |
4330 | x_vertical_scrollbar_cursor = | |
4331 | XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
4332 | ||
28430d3c JB |
4333 | /* Watch for PropertyNotify events on the root window; we use them |
4334 | to figure out when to invalidate our cache of the cut buffers. */ | |
4335 | x_watch_cut_buffer_cache (); | |
4336 | ||
dc6f92b8 | 4337 | dup2 (ConnectionNumber (x_current_display), 0); |
6d4238f3 JB |
4338 | |
4339 | #ifndef SYSV_STREAMS | |
4340 | /* Streams somehow keeps track of which descriptor number | |
4341 | is being used to talk to X. So it is not safe to substitute | |
4342 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
dc6f92b8 | 4343 | close (ConnectionNumber (x_current_display)); |
6d4238f3 JB |
4344 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? |
4345 | * check the def of the macro; | |
4346 | * it is a genuine lvalue */ | |
c118dd06 | 4347 | #endif /* SYSV_STREAMS */ |
6d4238f3 | 4348 | |
c118dd06 | 4349 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4350 | |
4351 | #ifdef F_SETOWN | |
4352 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4353 | #ifdef F_SETOWN_SOCK_NEG | |
4354 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4355 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4356 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4357 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4358 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4359 | |
4360 | #ifdef SIGIO | |
4361 | init_sigio (); | |
c118dd06 | 4362 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4363 | |
4364 | /* Must use interrupt input because we cannot otherwise | |
4365 | arrange for C-g to be noticed immediately. | |
4366 | We cannot connect it to SIGINT. */ | |
4367 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4368 | ||
4369 | expose_all_windows = 0; | |
4370 | ||
f676886a | 4371 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4372 | clear_end_of_line_hook = XTclear_end_of_line; |
4373 | ins_del_lines_hook = XTins_del_lines; | |
4374 | change_line_highlight_hook = XTchange_line_highlight; | |
4375 | insert_glyphs_hook = XTinsert_glyphs; | |
4376 | write_glyphs_hook = XTwrite_glyphs; | |
4377 | delete_glyphs_hook = XTdelete_glyphs; | |
4378 | ring_bell_hook = XTring_bell; | |
4379 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4380 | set_terminal_modes_hook = XTset_terminal_modes; | |
4381 | update_begin_hook = XTupdate_begin; | |
4382 | update_end_hook = XTupdate_end; | |
4383 | set_terminal_window_hook = XTset_terminal_window; | |
4384 | read_socket_hook = XTread_socket; | |
4385 | cursor_to_hook = XTcursor_to; | |
4386 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4387 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4388 | frame_rehighlight_hook = XTframe_rehighlight; |
12ba150f | 4389 | set_vertical_scrollbar_hook = XTset_vertical_scrollbar; |
f451eb13 JB |
4390 | condemn_scrollbars_hook = XTcondemn_scrollbars; |
4391 | redeem_scrollbar_hook = XTredeem_scrollbar; | |
4392 | judge_scrollbars_hook = XTjudge_scrollbars; | |
dc6f92b8 | 4393 | |
f676886a | 4394 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4395 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4396 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4397 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4398 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4399 | off the bottom */ |
4400 | baud_rate = 19200; | |
4401 | ||
c118dd06 JB |
4402 | /* Note that there is no real way portable across R3/R4 to get the |
4403 | original error handler. */ | |
4404 | XHandleError (x_error_quitter); | |
4405 | XHandleIOError (x_error_quitter); | |
dc6f92b8 JB |
4406 | |
4407 | /* Disable Window Change signals; they are handled by X events. */ | |
4408 | #ifdef SIGWINCH | |
4409 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4410 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4411 | |
c118dd06 | 4412 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4413 | } |
55123275 JB |
4414 | |
4415 | void | |
4416 | syms_of_xterm () | |
4417 | { | |
4418 | staticpro (&invocation_name); | |
4419 | invocation_name = Qnil; | |
12ba150f JB |
4420 | |
4421 | staticpro (&last_mouse_scrollbar); | |
55123275 | 4422 | } |
c118dd06 JB |
4423 | #endif /* ! defined (HAVE_X11) */ |
4424 | #endif /* ! defined (HAVE_X_WINDOWS) */ |