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 | ||
d56a553a RS |
28 | #define NEW_SELECTIONS |
29 | ||
dc6f92b8 JB |
30 | #include "config.h" |
31 | ||
32 | #ifdef HAVE_X_WINDOWS | |
33 | ||
34 | #include "lisp.h" | |
dc6f92b8 | 35 | |
54c908b5 JB |
36 | /* On 4.3 these lose if they come after xterm.h. */ |
37 | #include <stdio.h> | |
dc6f92b8 JB |
38 | #include <signal.h> |
39 | ||
40 | /* This may include sys/types.h, and that somehow loses | |
41 | if this is not done before the other system files. */ | |
42 | #include "xterm.h" | |
f451eb13 | 43 | #include <X11/cursorfont.h> |
dc6f92b8 | 44 | |
16bd92ea | 45 | #ifndef USG |
dc6f92b8 JB |
46 | /* Load sys/types.h if not already loaded. |
47 | In some systems loading it twice is suicidal. */ | |
48 | #ifndef makedev | |
49 | #include <sys/types.h> | |
c118dd06 JB |
50 | #endif /* makedev */ |
51 | #endif /* USG */ | |
dc6f92b8 JB |
52 | |
53 | #ifdef BSD | |
54 | #include <sys/ioctl.h> | |
55 | #include <strings.h> | |
c118dd06 | 56 | #else /* ! defined (BSD) */ |
febf25d5 | 57 | #ifndef VMS |
dc6f92b8 JB |
58 | #include <sys/termio.h> |
59 | #include <string.h> | |
febf25d5 | 60 | #endif |
c118dd06 | 61 | #endif /* ! defined (BSD) */ |
dc6f92b8 JB |
62 | |
63 | /* Allow m- file to inhibit use of FIONREAD. */ | |
64 | #ifdef BROKEN_FIONREAD | |
65 | #undef FIONREAD | |
c118dd06 | 66 | #endif /* ! defined (BROKEN_FIONREAD) */ |
dc6f92b8 JB |
67 | |
68 | /* We are unable to use interrupts if FIONREAD is not available, | |
69 | so flush SIGIO so we won't try. */ | |
70 | #ifndef FIONREAD | |
71 | #ifdef SIGIO | |
72 | #undef SIGIO | |
c118dd06 JB |
73 | #endif /* ! defined (SIGIO) */ |
74 | #endif /* FIONREAD */ | |
dc6f92b8 | 75 | |
3a2712f9 | 76 | #include "systime.h" |
dc6f92b8 JB |
77 | |
78 | #include <fcntl.h> | |
dc6f92b8 JB |
79 | #include <ctype.h> |
80 | #include <errno.h> | |
81 | #include <setjmp.h> | |
82 | #include <sys/stat.h> | |
83 | #include <sys/param.h> | |
84 | ||
85 | #include "dispextern.h" | |
86 | #include "termhooks.h" | |
87 | #include "termopts.h" | |
88 | #include "termchar.h" | |
89 | #if 0 | |
90 | #include "sink.h" | |
91 | #include "sinkmask.h" | |
c118dd06 | 92 | #endif /* ! 0 */ |
dc6f92b8 | 93 | #include "gnu.h" |
f676886a | 94 | #include "frame.h" |
dc6f92b8 | 95 | #include "disptab.h" |
dc6f92b8 | 96 | #include "buffer.h" |
f451eb13 | 97 | #include "window.h" |
dc6f92b8 JB |
98 | |
99 | #ifdef HAVE_X11 | |
100 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 101 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
102 | #include <X/Xkeyboard.h> |
103 | /*#include <X/Xproto.h> */ | |
c118dd06 | 104 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
105 | |
106 | /* For sending Meta-characters. Do we need this? */ | |
107 | #define METABIT 0200 | |
108 | ||
109 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
110 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
111 | ||
112 | /* Nonzero means we must reprint all windows | |
113 | because 1) we received an ExposeWindow event | |
f451eb13 | 114 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 115 | |
f451eb13 | 116 | This is never needed under X11. */ |
dc6f92b8 JB |
117 | static int expose_all_windows; |
118 | ||
119 | /* Nonzero means we must reprint all icon windows. */ | |
120 | ||
121 | static int expose_all_icons; | |
122 | ||
123 | #ifndef HAVE_X11 | |
124 | /* ExposeRegion events, when received, are copied into this queue | |
125 | for later processing. */ | |
126 | ||
127 | static struct event_queue x_expose_queue; | |
128 | ||
129 | /* ButtonPressed and ButtonReleased events, when received, | |
130 | are copied into this queue for later processing. */ | |
131 | ||
132 | struct event_queue x_mouse_queue; | |
c118dd06 | 133 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
134 | |
135 | /* Nonzero after BLOCK_INPUT; prevents input events from being | |
136 | processed until later. */ | |
137 | ||
138 | int x_input_blocked; | |
139 | ||
140 | #if defined (SIGIO) && defined (FIONREAD) | |
141 | int BLOCK_INPUT_mask; | |
c118dd06 | 142 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 JB |
143 | |
144 | /* Nonzero if input events came in while x_input_blocked was nonzero. | |
145 | UNBLOCK_INPUT checks for this. */ | |
146 | ||
147 | int x_pending_input; | |
148 | ||
dc6f92b8 JB |
149 | /* The id of a bitmap used for icon windows. |
150 | One such map is shared by all Emacs icon windows. | |
151 | This is zero if we have not yet had a need to create the bitmap. */ | |
152 | ||
153 | static Bitmap icon_bitmap; | |
154 | ||
155 | /* Font used for text icons. */ | |
156 | ||
157 | static FONT_TYPE *icon_font_info; | |
158 | ||
159 | /* Stuff for dealing with the main icon title. */ | |
160 | ||
161 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 162 | char *hostname, *x_id_name; |
dc6f92b8 JB |
163 | |
164 | /* This is the X connection that we are using. */ | |
165 | ||
166 | Display *x_current_display; | |
167 | ||
ab648270 JB |
168 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
169 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 170 | |
f676886a | 171 | /* Frame being updated by update_frame. */ |
dc6f92b8 JB |
172 | /* This is set by XTupdate_begin and looked at by all the |
173 | XT functions. It is zero while not inside an update. | |
f676886a JB |
174 | In that case, the XT functions assume that `selected_frame' |
175 | is the frame to apply to. */ | |
dc6f92b8 | 176 | |
f676886a | 177 | static struct frame *updating_frame; |
dc6f92b8 | 178 | |
f676886a | 179 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
180 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
181 | that a mere EnterNotify event can set this; if you need to know the | |
182 | last frame specified in a FocusIn or FocusOut event, use | |
183 | x_focus_event_frame. */ | |
f676886a | 184 | struct frame *x_focus_frame; |
dc6f92b8 | 185 | |
f451eb13 JB |
186 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
187 | separate from x_focus_frame, because whether or not LeaveNotify | |
188 | events cause us to lose focus depends on whether or not we have | |
189 | received a FocusIn event for it. */ | |
190 | struct frame *x_focus_event_frame; | |
191 | ||
f676886a JB |
192 | /* The frame which currently has the visual highlight, and should get |
193 | keyboard input (other sorts of input have the frame encoded in the | |
194 | event). It points to the X focus frame's selected window's | |
195 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 196 | minibuffer. */ |
f676886a | 197 | static struct frame *x_highlight_frame; |
6d4238f3 | 198 | |
dc6f92b8 | 199 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 200 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
201 | |
202 | static int warp_mouse_on_deiconify; | |
203 | ||
204 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
205 | ||
206 | static int flexlines; | |
207 | ||
208 | /* During an update, nonzero if chars output now should be highlighted. */ | |
209 | ||
210 | static int highlight; | |
211 | ||
212 | /* Nominal cursor position -- where to draw output. | |
213 | During an update, these are different from the cursor-box position. */ | |
214 | ||
215 | static int curs_x; | |
216 | static int curs_y; | |
217 | ||
218 | #ifdef HAVE_X11 | |
219 | /* `t' if a mouse button is depressed. */ | |
220 | ||
221 | extern Lisp_Object Vmouse_depressed; | |
222 | ||
223 | /* Tells if a window manager is present or not. */ | |
224 | ||
225 | extern Lisp_Object Vx_no_window_manager; | |
226 | ||
227 | /* Timestamp that we requested selection data was made. */ | |
228 | extern Time requestor_time; | |
229 | ||
230 | /* ID of the window requesting selection data. */ | |
231 | extern Window requestor_window; | |
232 | ||
233 | /* Nonzero enables some debugging for the X interface code. */ | |
234 | extern int _Xdebug; | |
235 | ||
c118dd06 | 236 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
237 | |
238 | /* Bit patterns for the mouse cursor. */ | |
239 | ||
240 | short MouseCursor[] = { | |
241 | 0x0000, 0x0008, 0x0018, 0x0038, | |
242 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
243 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
244 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
245 | ||
246 | short MouseMask[] = { | |
247 | 0x000c, 0x001c, 0x003c, 0x007c, | |
248 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
249 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
250 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
251 | ||
252 | static short grey_bits[] = { | |
253 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
254 | ||
255 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 256 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
257 | |
258 | /* From time to time we get info on an Emacs window, here. */ | |
259 | ||
260 | static WINDOWINFO_TYPE windowinfo; | |
261 | ||
262 | extern int errno; | |
263 | ||
64bb1782 RS |
264 | /* See keyboard.c. */ |
265 | extern int extra_keyboard_modifiers; | |
266 | ||
dc6f92b8 JB |
267 | extern Display *XOpenDisplay (); |
268 | extern Window XCreateWindow (); | |
269 | ||
270 | extern Cursor XCreateCursor (); | |
271 | extern FONT_TYPE *XOpenFont (); | |
272 | ||
273 | static void flashback (); | |
274 | ||
275 | #ifndef HAVE_X11 | |
276 | static void dumpqueue (); | |
c118dd06 | 277 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
278 | |
279 | void dumpborder (); | |
4746118a JB |
280 | static int XTcursor_to (); |
281 | static int XTclear_end_of_line (); | |
16bd92ea JB |
282 | |
283 | \f | |
f451eb13 JB |
284 | /* Starting and ending updates. |
285 | ||
286 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
287 | of a frame update. We record in `updating_frame' the identity |
288 | of the frame being updated, so that the XT... functions do not | |
289 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 JB |
290 | should never be called except during an update, the only exceptions |
291 | being XTcursor_to, XTwrite_char and XTreassert_line_highlight. */ | |
292 | ||
293 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
294 | ||
295 | static | |
f676886a JB |
296 | XTupdate_begin (f) |
297 | struct frame *f; | |
dc6f92b8 JB |
298 | { |
299 | int mask; | |
300 | ||
f676886a | 301 | if (f == 0) |
dc6f92b8 JB |
302 | abort (); |
303 | ||
f676886a JB |
304 | updating_frame = f; |
305 | flexlines = f->height; | |
dc6f92b8 JB |
306 | highlight = 0; |
307 | ||
dc6f92b8 JB |
308 | BLOCK_INPUT; |
309 | #ifndef HAVE_X11 | |
310 | dumpqueue (); | |
c118dd06 | 311 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
312 | UNBLOCK_INPUT; |
313 | } | |
314 | ||
f451eb13 | 315 | #ifndef HAVE_X11 |
dc6f92b8 | 316 | static void x_do_pending_expose (); |
f451eb13 | 317 | #endif |
dc6f92b8 JB |
318 | |
319 | static | |
f676886a JB |
320 | XTupdate_end (f) |
321 | struct frame *f; | |
dc6f92b8 JB |
322 | { |
323 | int mask; | |
324 | ||
f676886a JB |
325 | if (updating_frame == 0 |
326 | || updating_frame != f) | |
dc6f92b8 JB |
327 | abort (); |
328 | ||
329 | BLOCK_INPUT; | |
330 | #ifndef HAVE_X11 | |
331 | dumpqueue (); | |
dc6f92b8 | 332 | x_do_pending_expose (); |
f451eb13 | 333 | #endif /* HAVE_X11 */ |
dc6f92b8 | 334 | |
f676886a | 335 | x_display_cursor (f, 1); |
dc6f92b8 | 336 | |
f676886a | 337 | updating_frame = 0; |
dc6f92b8 JB |
338 | XFlushQueue (); |
339 | UNBLOCK_INPUT; | |
340 | } | |
341 | \f | |
342 | /* External interface to control of standout mode. | |
343 | Call this when about to modify line at position VPOS | |
344 | and not change whether it is highlighted. */ | |
345 | ||
346 | XTreassert_line_highlight (new, vpos) | |
347 | int new, vpos; | |
348 | { | |
349 | highlight = new; | |
350 | } | |
351 | ||
352 | /* Call this when about to modify line at position VPOS | |
353 | and change whether it is highlighted. */ | |
354 | ||
355 | static | |
356 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
357 | int new_highlight, vpos, first_unused_hpos; | |
358 | { | |
359 | highlight = new_highlight; | |
360 | XTcursor_to (vpos, 0); | |
f676886a | 361 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
362 | } |
363 | ||
364 | /* This is used when starting Emacs and when restarting after suspend. | |
365 | When starting Emacs, no X window is mapped. And nothing must be done | |
366 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
367 | ||
368 | static | |
369 | XTset_terminal_modes () | |
370 | { | |
371 | } | |
372 | ||
373 | /* This is called when exiting or suspending Emacs. | |
374 | Exiting will make the X-windows go away, and suspending | |
375 | requires no action. */ | |
376 | ||
377 | static | |
378 | XTreset_terminal_modes () | |
379 | { | |
f676886a | 380 | /* XTclear_frame (); */ |
dc6f92b8 JB |
381 | } |
382 | \f | |
f451eb13 JB |
383 | /* Set the nominal cursor position of the frame. |
384 | This is where display update commands will take effect. | |
dc6f92b8 JB |
385 | This does not affect the place where the cursor-box is displayed. */ |
386 | ||
4746118a | 387 | static int |
dc6f92b8 JB |
388 | XTcursor_to (row, col) |
389 | register int row, col; | |
390 | { | |
391 | int mask; | |
392 | int orow = row; | |
393 | ||
394 | curs_x = col; | |
395 | curs_y = row; | |
396 | ||
f676886a | 397 | if (updating_frame == 0) |
dc6f92b8 JB |
398 | { |
399 | BLOCK_INPUT; | |
f676886a | 400 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
401 | XFlushQueue (); |
402 | UNBLOCK_INPUT; | |
403 | } | |
404 | } | |
405 | \f | |
406 | /* Display a sequence of N glyphs found at GP. | |
407 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
408 | HL is 1 if this text is highlighted, 2 if the cursor is on it. | |
409 | ||
410 | FONT is the default font to use (for glyphs whose font-code is 0). */ | |
411 | ||
412 | static void | |
f676886a JB |
413 | dumpglyphs (f, left, top, gp, n, hl, font) |
414 | struct frame *f; | |
dc6f92b8 JB |
415 | int left, top; |
416 | register GLYPH *gp; /* Points to first GLYPH. */ | |
417 | register int n; /* Number of glyphs to display. */ | |
418 | int hl; | |
419 | FONT_TYPE *font; | |
420 | { | |
dc6f92b8 | 421 | register int len; |
c118dd06 | 422 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
423 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc |
424 | : (hl ? f->display.x->reverse_gc | |
425 | : f->display.x->normal_gc)); | |
dc6f92b8 | 426 | |
c7004826 JB |
427 | if (sizeof (GLYPH) == sizeof (XChar2b)) |
428 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
429 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
430 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
431 | XDrawImageString (x_current_display, window, drawing_gc, | |
432 | left, top + FONT_BASE (font), (char *) gp, n); | |
433 | else | |
434 | /* What size of glyph ARE you using? And does X have a function to | |
435 | draw them? */ | |
436 | abort (); | |
dc6f92b8 JB |
437 | } |
438 | ||
439 | #if 0 | |
440 | static void | |
f676886a JB |
441 | dumpglyphs (f, left, top, gp, n, hl, font) |
442 | struct frame *f; | |
dc6f92b8 JB |
443 | int left, top; |
444 | register GLYPH *gp; /* Points to first GLYPH. */ | |
445 | register int n; /* Number of glyphs to display. */ | |
446 | int hl; | |
447 | FONT_TYPE *font; | |
448 | { | |
f676886a | 449 | char buf[f->width]; /* Holds characters to be displayed. */ |
dc6f92b8 JB |
450 | register char *cp; /* Steps through buf[]. */ |
451 | register int tlen = GLYPH_TABLE_LENGTH; | |
452 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 453 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
454 | int cursor_pixel = f->display.x->cursor_pixel; |
455 | int fg_pixel = f->display.x->foreground_pixel; | |
456 | int bg_pixel = f->display.x->background_pixel; | |
457 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
458 | |
459 | while (n) | |
460 | { | |
461 | /* Get the face-code of the next GLYPH. */ | |
462 | int cf, len; | |
463 | int g = *gp; | |
464 | ||
465 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
466 | g = GLYPH_ALIAS (tbase, g); | |
467 | ||
468 | cf = g >> 8; | |
469 | ||
470 | /* Find the run of consecutive glyphs with the same face-code. | |
471 | Extract their character codes into BUF. */ | |
472 | cp = buf; | |
473 | while (n > 0) | |
474 | { | |
475 | g = *gp; | |
476 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
477 | g = GLYPH_ALIAS (tbase, g); | |
478 | if ((g >> 8) != cf) | |
479 | break; | |
480 | ||
481 | *cp++ = 0377 & g; | |
482 | --n; | |
483 | ++gp; | |
484 | } | |
485 | ||
486 | /* LEN gets the length of the run. */ | |
487 | len = cp - buf; | |
488 | ||
489 | /* Now output this run of chars, with the font and pixel values | |
490 | determined by the face code CF. */ | |
491 | if (cf == 0) | |
492 | { | |
493 | #ifdef HAVE_X11 | |
f676886a JB |
494 | GC GC_cursor = f->display.x->cursor_gc; |
495 | GC GC_reverse = f->display.x->reverse_gc; | |
496 | GC GC_normal = f->display.x->normal_gc; | |
dc6f92b8 JB |
497 | |
498 | XDrawImageString (x_current_display, window, | |
499 | (hl == 2 | |
500 | ? GC_cursor | |
501 | : (hl ? GC_reverse : GC_normal)), | |
502 | left, top + FONT_BASE (font), buf, len); | |
c118dd06 | 503 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
504 | XText (window, left, top, |
505 | buf, | |
506 | len, | |
507 | font->id, | |
508 | (hl == 2 | |
509 | ? (cursor_pixel == fg_pixel ? bg_pixel : fg_pixel) | |
510 | : hl ? bg_pixel : fg_pixel), | |
511 | (hl == 2 ? cursor_pixel | |
512 | : hl ? fg_pixel : bg_pixel)); | |
c118dd06 | 513 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
514 | } |
515 | else | |
516 | { | |
517 | #ifdef HAVE_X11 | |
518 | if (FACE_IS_FONT (cf)) | |
c118dd06 | 519 | XDrawImageString (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 JB |
520 | FACE_GC (cf), |
521 | left, top + FONT_BASE (FACE_FONT (cf)), | |
522 | buf, len); | |
523 | else if (FACE_IS_IMAGE (cf)) | |
524 | XCopyPlane (x_current_display, FACE_IMAGE (cf), | |
c118dd06 | 525 | FRAME_X_WINDOW (f), |
f676886a | 526 | f->display.x->normal_gc, |
dc6f92b8 JB |
527 | 0, 0, |
528 | FACE_IMAGE_WIDTH (cf), | |
529 | FACE_IMAGE_HEIGHT (cf), left, top); | |
530 | else | |
531 | abort (); | |
c118dd06 | 532 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
533 | register struct face *fp = x_face_table[cf]; |
534 | ||
535 | XText (window, left, top, | |
536 | buf, | |
537 | len, | |
538 | fp->font->id, | |
539 | (hl == 2 | |
540 | ? (cursor_pixel == fp->fg ? fp->bg : fp->fg) | |
541 | : hl ? fp->bg : fp->fg), | |
542 | (hl == 2 ? cursor_pixel | |
543 | : hl ? fp->fg : fp->bg)); | |
c118dd06 | 544 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
545 | } |
546 | left += len * FONT_WIDTH (font); | |
547 | } | |
548 | } | |
c118dd06 | 549 | #endif /* ! 0 */ |
dc6f92b8 | 550 | \f |
f451eb13 JB |
551 | /* Output some text at the nominal frame cursor position. |
552 | Advance the cursor over the text. | |
dc6f92b8 JB |
553 | Output LEN glyphs at START. |
554 | ||
555 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
556 | controls the pixel values used for foreground and background. */ | |
557 | ||
558 | static | |
559 | XTwrite_glyphs (start, len) | |
560 | register GLYPH *start; | |
561 | int len; | |
562 | { | |
563 | register int temp_length; | |
564 | int mask; | |
f676886a | 565 | struct frame *f; |
dc6f92b8 JB |
566 | |
567 | BLOCK_INPUT; | |
568 | ||
f676886a JB |
569 | f = updating_frame; |
570 | if (f == 0) | |
dc6f92b8 | 571 | { |
f676886a | 572 | f = selected_frame; |
dc6f92b8 | 573 | /* If not within an update, |
f676886a JB |
574 | output at the frame's visible cursor. */ |
575 | curs_x = f->cursor_x; | |
576 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
577 | } |
578 | ||
f676886a | 579 | dumpglyphs (f, |
12ba150f JB |
580 | CHAR_TO_PIXEL_COL (f, curs_x), |
581 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
582 | start, len, highlight, f->display.x->font); | |
90e65f07 JB |
583 | |
584 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
585 | if (curs_y == f->phys_cursor_y |
586 | && curs_x <= f->phys_cursor_x | |
587 | && curs_x + len > f->phys_cursor_x) | |
588 | f->phys_cursor_x = -1; | |
dc6f92b8 | 589 | |
f676886a | 590 | if (updating_frame == 0) |
dc6f92b8 | 591 | { |
f676886a JB |
592 | f->cursor_x += len; |
593 | x_display_cursor (f, 1); | |
594 | f->cursor_x -= len; | |
dc6f92b8 JB |
595 | } |
596 | else | |
597 | curs_x += len; | |
598 | ||
599 | UNBLOCK_INPUT; | |
600 | } | |
601 | \f | |
f451eb13 JB |
602 | /* Clear to the end of the line. |
603 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
604 | to column FIRST_UNUSED (exclusive). The idea is that everything |
605 | from FIRST_UNUSED onward is already erased. */ | |
606 | ||
4746118a | 607 | static int |
dc6f92b8 JB |
608 | XTclear_end_of_line (first_unused) |
609 | register int first_unused; | |
610 | { | |
f676886a | 611 | struct frame *f = updating_frame; |
dc6f92b8 JB |
612 | int mask; |
613 | ||
f676886a | 614 | if (f == 0) |
dc6f92b8 JB |
615 | abort (); |
616 | ||
f676886a | 617 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
618 | return; |
619 | if (first_unused <= 0) | |
620 | return; | |
621 | ||
f676886a JB |
622 | if (first_unused >= f->width) |
623 | first_unused = f->width; | |
dc6f92b8 JB |
624 | |
625 | BLOCK_INPUT; | |
626 | ||
90e65f07 | 627 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
628 | if (curs_y == f->phys_cursor_y |
629 | && curs_x <= f->phys_cursor_x | |
630 | && f->phys_cursor_x < first_unused) | |
631 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
632 | |
633 | #ifdef HAVE_X11 | |
c118dd06 | 634 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
635 | CHAR_TO_PIXEL_COL (f, curs_x), |
636 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
637 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
638 | FONT_HEIGHT (f->display.x->font), False); | |
dc6f92b8 | 639 | |
c118dd06 JB |
640 | #else /* ! defined (HAVE_X11) */ |
641 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
642 | CHAR_TO_PIXEL_COL (f, curs_x), |
643 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
644 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
645 | FONT_HEIGHT (f->display.x->font), | |
646 | f->display.x->background_pixel); | |
c118dd06 | 647 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
648 | |
649 | UNBLOCK_INPUT; | |
650 | } | |
651 | ||
652 | static | |
f676886a | 653 | XTclear_frame () |
dc6f92b8 JB |
654 | { |
655 | int mask; | |
f676886a | 656 | struct frame *f = updating_frame; |
dc6f92b8 | 657 | |
f676886a JB |
658 | if (f == 0) |
659 | f = selected_frame; | |
dc6f92b8 | 660 | |
f676886a | 661 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
662 | curs_x = 0; /* Nominal cursor position is top left. */ |
663 | curs_y = 0; | |
664 | ||
665 | BLOCK_INPUT; | |
dbc4e1c1 | 666 | |
c118dd06 | 667 | XClear (FRAME_X_WINDOW (f)); |
dbc4e1c1 | 668 | |
ab648270 | 669 | /* We have to clear the scroll bars, too. If we have changed |
dbc4e1c1 | 670 | colors or something like that, then they should be notified. */ |
ab648270 | 671 | x_scroll_bar_clear (f); |
dbc4e1c1 | 672 | |
dc6f92b8 | 673 | #ifndef HAVE_X11 |
f676886a | 674 | dumpborder (f, 0); |
c118dd06 | 675 | #endif /* HAVE_X11 */ |
dbc4e1c1 | 676 | |
dc6f92b8 JB |
677 | XFlushQueue (); |
678 | UNBLOCK_INPUT; | |
679 | } | |
680 | \f | |
dbc4e1c1 JB |
681 | /* Invert the middle quarter of the frame for .15 sec. */ |
682 | ||
683 | /* We use the select system call to do the waiting, so we have to make sure | |
684 | it's avaliable. If it isn't, we just won't do visual bells. */ | |
685 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) | |
686 | ||
687 | /* Subtract the `struct timeval' values X and Y, | |
688 | storing the result in RESULT. | |
689 | Return 1 if the difference is negative, otherwise 0. */ | |
690 | ||
691 | static int | |
692 | timeval_subtract (result, x, y) | |
693 | struct timeval *result, x, y; | |
694 | { | |
695 | /* Perform the carry for the later subtraction by updating y. | |
696 | This is safer because on some systems | |
697 | the tv_sec member is unsigned. */ | |
698 | if (x.tv_usec < y.tv_usec) | |
699 | { | |
700 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
701 | y.tv_usec -= 1000000 * nsec; | |
702 | y.tv_sec += nsec; | |
703 | } | |
704 | if (x.tv_usec - y.tv_usec > 1000000) | |
705 | { | |
706 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
707 | y.tv_usec += 1000000 * nsec; | |
708 | y.tv_sec -= nsec; | |
709 | } | |
710 | ||
711 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
712 | result->tv_sec = x.tv_sec - y.tv_sec; | |
713 | result->tv_usec = x.tv_usec - y.tv_usec; | |
714 | ||
715 | /* Return indication of whether the result should be considered negative. */ | |
716 | return x.tv_sec < y.tv_sec; | |
717 | } | |
dc6f92b8 | 718 | |
f676886a JB |
719 | XTflash (f) |
720 | struct frame *f; | |
dc6f92b8 | 721 | { |
dbc4e1c1 | 722 | BLOCK_INPUT; |
dc6f92b8 | 723 | |
dbc4e1c1 JB |
724 | { |
725 | GC gc; | |
dc6f92b8 | 726 | |
dbc4e1c1 JB |
727 | /* Create a GC that will use the GXxor function to flip foreground pixels |
728 | into background pixels. */ | |
729 | { | |
730 | XGCValues values; | |
dc6f92b8 | 731 | |
dbc4e1c1 JB |
732 | values.function = GXxor; |
733 | values.foreground = (f->display.x->foreground_pixel | |
734 | ^ f->display.x->background_pixel); | |
735 | ||
736 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
737 | GCFunction | GCForeground, &values); | |
738 | } | |
dc6f92b8 | 739 | |
dbc4e1c1 JB |
740 | { |
741 | int width = PIXEL_WIDTH (f); | |
742 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 743 | |
dbc4e1c1 JB |
744 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
745 | width/4, height/4, width/2, height/2); | |
746 | XFlush (x_current_display); | |
dc6f92b8 | 747 | |
dbc4e1c1 JB |
748 | { |
749 | struct timeval wakeup, now; | |
dc6f92b8 | 750 | |
dbc4e1c1 | 751 | gettimeofday (&wakeup, (struct timezone *) 0); |
dc6f92b8 | 752 | |
dbc4e1c1 JB |
753 | /* Compute time to wait until, propagating carry from usecs. */ |
754 | wakeup.tv_usec += 150000; | |
755 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
756 | wakeup.tv_usec %= 1000000; | |
757 | ||
758 | /* Keep waiting until past the time wakeup. */ | |
759 | while (1) | |
760 | { | |
761 | struct timeval timeout; | |
762 | ||
763 | gettimeofday (&timeout, (struct timezone *)0); | |
764 | ||
765 | /* In effect, timeout = wakeup - timeout. | |
766 | Break if result would be negative. */ | |
767 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
768 | break; | |
769 | ||
770 | /* Try to wait that long--but we might wake up sooner. */ | |
771 | select (0, 0, 0, 0, &timeout); | |
772 | } | |
773 | } | |
774 | ||
775 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
776 | width/4, height/4, width/2, height/2); | |
777 | XFreeGC (x_current_display, gc); | |
778 | XFlush (x_current_display); | |
dc6f92b8 | 779 | } |
dbc4e1c1 JB |
780 | } |
781 | ||
782 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
783 | } |
784 | ||
dbc4e1c1 JB |
785 | #endif |
786 | ||
787 | ||
dc6f92b8 JB |
788 | /* Make audible bell. */ |
789 | ||
790 | #ifdef HAVE_X11 | |
791 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 792 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 793 | #define XRINGBELL XFeep(0); |
c118dd06 | 794 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
795 | |
796 | XTring_bell () | |
797 | { | |
dbc4e1c1 | 798 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 799 | if (visible_bell) |
f676886a | 800 | XTflash (selected_frame); |
dc6f92b8 | 801 | else |
dbc4e1c1 | 802 | #endif |
dc6f92b8 JB |
803 | { |
804 | BLOCK_INPUT; | |
805 | XRINGBELL; | |
806 | XFlushQueue (); | |
807 | UNBLOCK_INPUT; | |
808 | } | |
809 | } | |
810 | \f | |
f451eb13 JB |
811 | /* Insert and delete character. |
812 | These are not supposed to be used because we are supposed to turn | |
813 | off the feature of using them. */ | |
dc6f92b8 JB |
814 | |
815 | static | |
816 | XTinsert_glyphs (start, len) | |
817 | register char *start; | |
818 | register int len; | |
819 | { | |
820 | abort (); | |
821 | } | |
822 | ||
823 | static | |
824 | XTdelete_glyphs (n) | |
825 | register int n; | |
826 | { | |
827 | abort (); | |
828 | } | |
829 | \f | |
830 | /* Specify how many text lines, from the top of the window, | |
831 | should be affected by insert-lines and delete-lines operations. | |
832 | This, and those operations, are used only within an update | |
833 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
834 | ||
835 | static | |
836 | XTset_terminal_window (n) | |
837 | register int n; | |
838 | { | |
f676886a | 839 | if (updating_frame == 0) |
dc6f92b8 JB |
840 | abort (); |
841 | ||
f676886a JB |
842 | if ((n <= 0) || (n > updating_frame->height)) |
843 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
844 | else |
845 | flexlines = n; | |
846 | } | |
847 | \f | |
f451eb13 JB |
848 | /* Perform an insert-lines operation. |
849 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
850 | |
851 | static void | |
852 | stufflines (n) | |
853 | register int n; | |
854 | { | |
855 | register int topregion, bottomregion; | |
856 | register int length, newtop, mask; | |
f676886a JB |
857 | register struct frame *f = updating_frame; |
858 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
859 | |
860 | if (curs_y >= flexlines) | |
861 | return; | |
862 | ||
863 | topregion = curs_y; | |
864 | bottomregion = flexlines - (n + 1); | |
865 | newtop = topregion + n; | |
866 | length = (bottomregion - topregion) + 1; | |
867 | ||
868 | #ifndef HAVE_X11 | |
869 | dumpqueue (); | |
c118dd06 | 870 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
871 | |
872 | if ((length > 0) && (newtop <= flexlines)) | |
873 | { | |
874 | #ifdef HAVE_X11 | |
c118dd06 JB |
875 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
876 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 877 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
878 | f->width * FONT_WIDTH (f->display.x->font), |
879 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 880 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
881 | #else /* ! defined (HAVE_X11) */ |
882 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
883 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
884 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
885 | f->width * FONT_WIDTH (f->display.x->font), |
886 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
887 | /* Now we must process any ExposeRegion events that occur |
888 | if the area being copied from is obscured. | |
889 | We can't let it wait because further i/d operations | |
890 | may want to copy this area to another area. */ | |
891 | x_read_exposes (); | |
c118dd06 | 892 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
893 | } |
894 | ||
895 | newtop = min (newtop, (flexlines - 1)); | |
896 | length = newtop - topregion; | |
897 | if (length > 0) | |
898 | { | |
899 | #ifdef HAVE_X11 | |
c118dd06 | 900 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 901 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
902 | f->width * FONT_WIDTH (f->display.x->font), |
903 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
904 | #else /* ! defined (HAVE_X11) */ |
905 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 906 | intborder, |
12ba150f | 907 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
908 | f->width * FONT_WIDTH (f->display.x->font), |
909 | n * FONT_HEIGHT (f->display.x->font), | |
910 | f->display.x->background_pixel); | |
c118dd06 | 911 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
912 | } |
913 | } | |
914 | ||
915 | /* Perform a delete-lines operation, deleting N lines | |
916 | at a vertical position curs_y. */ | |
917 | ||
918 | static void | |
919 | scraplines (n) | |
920 | register int n; | |
921 | { | |
922 | int mask; | |
f676886a JB |
923 | register struct frame *f = updating_frame; |
924 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
925 | |
926 | if (curs_y >= flexlines) | |
927 | return; | |
928 | ||
929 | #ifndef HAVE_X11 | |
930 | dumpqueue (); | |
c118dd06 | 931 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
932 | |
933 | if ((curs_y + n) >= flexlines) | |
934 | { | |
935 | if (flexlines >= (curs_y + 1)) | |
936 | { | |
937 | #ifdef HAVE_X11 | |
c118dd06 | 938 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 939 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
940 | f->width * FONT_WIDTH (f->display.x->font), |
941 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
942 | #else /* ! defined (HAVE_X11) */ |
943 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 944 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
945 | f->width * FONT_WIDTH (f->display.x->font), |
946 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
947 | f->display.x->background_pixel); | |
c118dd06 | 948 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
949 | } |
950 | } | |
951 | else | |
952 | { | |
953 | #ifdef HAVE_X11 | |
c118dd06 JB |
954 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
955 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 956 | intborder, |
12ba150f | 957 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
958 | f->width * FONT_WIDTH (f->display.x->font), |
959 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 960 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 961 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 962 | intborder, |
12ba150f | 963 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
964 | f->width * FONT_WIDTH (f->display.x->font), |
965 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
966 | #else /* ! defined (HAVE_X11) */ |
967 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 968 | intborder, |
12ba150f JB |
969 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
970 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
971 | f->width * FONT_WIDTH (f->display.x->font), |
972 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
973 | /* Now we must process any ExposeRegion events that occur |
974 | if the area being copied from is obscured. | |
975 | We can't let it wait because further i/d operations | |
976 | may want to copy this area to another area. */ | |
977 | x_read_exposes (); | |
c118dd06 | 978 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 979 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
980 | f->width * FONT_WIDTH (f->display.x->font), |
981 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 982 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
983 | } |
984 | } | |
985 | ||
986 | /* Perform an insert-lines or delete-lines operation, | |
987 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
988 | ||
989 | XTins_del_lines (vpos, n) | |
990 | int vpos, n; | |
991 | { | |
f676886a | 992 | if (updating_frame == 0) |
dc6f92b8 JB |
993 | abort (); |
994 | ||
90e65f07 | 995 | /* Hide the cursor. */ |
f676886a | 996 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
997 | |
998 | XTcursor_to (vpos, 0); | |
999 | ||
1000 | BLOCK_INPUT; | |
1001 | if (n >= 0) | |
1002 | stufflines (n); | |
1003 | else | |
1004 | scraplines (-n); | |
1005 | XFlushQueue (); | |
1006 | UNBLOCK_INPUT; | |
1007 | } | |
1008 | \f | |
f451eb13 | 1009 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1010 | static void clear_cursor (); |
1011 | ||
f676886a JB |
1012 | /* Output into a rectangle of an X-window (for frame F) |
1013 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
1014 | TOP and LEFT are the position of the upper left corner of the rectangle. |
1015 | ROWS and COLS are the size of the rectangle. */ | |
1016 | ||
1017 | static void | |
f676886a JB |
1018 | dumprectangle (f, left, top, cols, rows) |
1019 | struct frame *f; | |
dc6f92b8 JB |
1020 | register int left, top, cols, rows; |
1021 | { | |
f676886a | 1022 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1023 | int cursor_cleared = 0; |
1024 | int bottom, right; | |
1025 | register int y; | |
1026 | ||
f676886a | 1027 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1028 | return; |
1029 | ||
dc6f92b8 JB |
1030 | /* Express rectangle as four edges, instead of position-and-size. */ |
1031 | bottom = top + rows; | |
1032 | right = left + cols; | |
1033 | ||
1034 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1035 | { |
1036 | int intborder = f->display.x->internal_border_width; | |
1037 | ||
1038 | /* If the rectangle includes any of the internal border area, | |
1039 | redisplay the border emphasis. */ | |
1040 | if (top < intborder || left < intborder | |
1041 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1042 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1043 | dumpborder (f, 0); | |
1044 | } | |
c118dd06 | 1045 | #endif /* HAVE_X11 /* Window manger does this for X11. */ */ |
dc6f92b8 JB |
1046 | |
1047 | /* Convert rectangle edges in pixels to edges in chars. | |
1048 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1049 | top = PIXEL_TO_CHAR_ROW (f, top); |
1050 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1051 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1052 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1053 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1054 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1055 | |
1056 | /* Clip the rectangle to what can be visible. */ | |
1057 | if (left < 0) | |
1058 | left = 0; | |
1059 | if (top < 0) | |
1060 | top = 0; | |
f676886a JB |
1061 | if (right > f->width) |
1062 | right = f->width; | |
1063 | if (bottom > f->height) | |
1064 | bottom = f->height; | |
dc6f92b8 JB |
1065 | |
1066 | /* Get size in chars of the rectangle. */ | |
1067 | cols = right - left; | |
1068 | rows = bottom - top; | |
1069 | ||
1070 | /* If rectangle has zero area, return. */ | |
1071 | if (rows <= 0) return; | |
1072 | if (cols <= 0) return; | |
1073 | ||
1074 | /* Turn off the cursor if it is in the rectangle. | |
1075 | We will turn it back on afterward. */ | |
f676886a JB |
1076 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1077 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1078 | { |
f676886a | 1079 | clear_cursor (f); |
dc6f92b8 JB |
1080 | cursor_cleared = 1; |
1081 | } | |
1082 | ||
1083 | /* Display the text in the rectangle, one text line at a time. */ | |
1084 | ||
1085 | for (y = top; y < bottom; y++) | |
1086 | { | |
f676886a | 1087 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1088 | |
f676886a | 1089 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1090 | continue; |
1091 | ||
f676886a | 1092 | dumpglyphs (f, |
12ba150f JB |
1093 | CHAR_TO_PIXEL_COL (f, left), |
1094 | CHAR_TO_PIXEL_ROW (f, y), | |
1095 | line, min (cols, active_frame->used[y] - left), | |
1096 | active_frame->highlight[y], f->display.x->font); | |
dc6f92b8 JB |
1097 | } |
1098 | ||
1099 | /* Turn the cursor on if we turned it off. */ | |
1100 | ||
1101 | if (cursor_cleared) | |
f676886a | 1102 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1103 | } |
1104 | ||
1105 | #ifndef HAVE_X11 | |
1106 | /* Process all queued ExposeRegion events. */ | |
1107 | ||
1108 | static void | |
1109 | dumpqueue () | |
1110 | { | |
1111 | register int i; | |
1112 | XExposeRegionEvent r; | |
1113 | ||
1114 | while (dequeue_event (&r, &x_expose_queue)) | |
1115 | { | |
f676886a JB |
1116 | struct frame *f = x_window_to_frame (r.window); |
1117 | if (f->display.x->icon_desc == r.window) | |
1118 | refreshicon (f); | |
dc6f92b8 | 1119 | else |
f676886a | 1120 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1121 | } |
1122 | XFlushQueue (); | |
1123 | } | |
c118dd06 | 1124 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1125 | \f |
f451eb13 | 1126 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1127 | Redraws the cursor if necessary on any frame that |
1128 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1129 | |
f451eb13 | 1130 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1131 | static void |
1132 | x_do_pending_expose () | |
1133 | { | |
1134 | int mask; | |
f676886a JB |
1135 | struct frame *f; |
1136 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1137 | |
1138 | if (expose_all_windows) | |
1139 | { | |
1140 | expose_all_windows = 0; | |
f676886a | 1141 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1142 | { |
1143 | register int temp_width, temp_height; | |
1144 | int intborder; | |
1145 | ||
f676886a | 1146 | frame = XCONS (tail)->car; |
ab648270 | 1147 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1148 | continue; |
f676886a | 1149 | f = XFRAME (frame); |
b1c884c3 | 1150 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1151 | continue; |
3a88c238 | 1152 | if (!f->async_visible) |
dc6f92b8 | 1153 | continue; |
f676886a | 1154 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1155 | continue; |
1156 | ||
f676886a | 1157 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1158 | |
f676886a | 1159 | clear_cursor (f); |
c118dd06 | 1160 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1161 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1162 | - f->display.x->v_scroll_bar_width) |
f676886a | 1163 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1164 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1165 | - f->display.x->h_scroll_bar_height) |
f676886a JB |
1166 | / FONT_HEIGHT (f->display.x->font)); |
1167 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1168 | { |
f676886a | 1169 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1170 | max (1, temp_width), 0, 1); |
ab648270 | 1171 | x_resize_scroll_bars (f); |
dc6f92b8 | 1172 | } |
f676886a JB |
1173 | f->display.x->left_pos = windowinfo.x; |
1174 | f->display.x->top_pos = windowinfo.y; | |
1175 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1176 | #if 0 |
f676886a | 1177 | dumpborder (f, 0); |
c118dd06 | 1178 | #endif /* ! 0 */ |
f676886a JB |
1179 | f->display.x->needs_exposure = 0; |
1180 | if (updating_frame != f) | |
1181 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1182 | XFlushQueue (); |
1183 | } | |
1184 | } | |
1185 | else | |
1186 | /* Handle any individual-rectangle expose events queued | |
1187 | for various windows. */ | |
1188 | #ifdef HAVE_X11 | |
1189 | ; | |
c118dd06 | 1190 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1191 | dumpqueue (); |
c118dd06 | 1192 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1193 | } |
f451eb13 | 1194 | #endif |
dc6f92b8 JB |
1195 | |
1196 | #ifdef HAVE_X11 | |
1197 | static void | |
f676886a JB |
1198 | frame_highlight (frame) |
1199 | struct frame *frame; | |
dc6f92b8 JB |
1200 | { |
1201 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1202 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1203 | frame->display.x->border_pixel); |
1204 | x_display_cursor (frame, 1); | |
dc6f92b8 JB |
1205 | } |
1206 | ||
1207 | static void | |
f676886a JB |
1208 | frame_unhighlight (frame) |
1209 | struct frame *frame; | |
dc6f92b8 JB |
1210 | { |
1211 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1212 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1213 | frame->display.x->border_tile); |
1214 | x_display_cursor (frame, 1); | |
dc6f92b8 | 1215 | } |
c118dd06 | 1216 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1217 | /* Dump the border-emphasis of frame F. |
1218 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1219 | just within the border, occupying a portion of the internal border. |
f676886a | 1220 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1221 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1222 | ||
f676886a | 1223 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1224 | In that case, we also turn the cursor off and on again |
1225 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1226 | ||
1227 | static void | |
f676886a JB |
1228 | dumpborder (f, always) |
1229 | struct frame *f; | |
dc6f92b8 JB |
1230 | int always; |
1231 | { | |
f676886a JB |
1232 | int thickness = f->display.x->internal_border_width / 2; |
1233 | int width = PIXEL_WIDTH (f); | |
1234 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1235 | int pixel; |
1236 | ||
f676886a | 1237 | if (f != selected_frame) |
dc6f92b8 JB |
1238 | { |
1239 | if (!always) | |
1240 | return; | |
1241 | ||
f676886a | 1242 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1243 | } |
1244 | else | |
1245 | { | |
f676886a | 1246 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1247 | } |
1248 | ||
c118dd06 JB |
1249 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1250 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1251 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1252 | thickness, pixel); |
c118dd06 | 1253 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1254 | height, pixel); |
1255 | ||
1256 | if (always) | |
f676886a | 1257 | x_display_cursor (f, 1); |
dc6f92b8 | 1258 | } |
c118dd06 | 1259 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1260 | |
f676886a | 1261 | static void XTframe_rehighlight (); |
6d4238f3 | 1262 | |
f676886a JB |
1263 | /* The focus has changed. Update the frames as necessary to reflect |
1264 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1265 | here, because the lisp code we are interrupting might become confused. |
f676886a | 1266 | Each event gets marked with the frame in which it occured, so the |
6d4238f3 | 1267 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1268 | |
6d4238f3 | 1269 | static void |
f676886a JB |
1270 | x_new_focus_frame (frame) |
1271 | struct frame *frame; | |
dc6f92b8 | 1272 | { |
f676886a | 1273 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1274 | int events_enqueued = 0; |
1275 | ||
f676886a | 1276 | if (frame != x_focus_frame) |
dc6f92b8 | 1277 | { |
6d4238f3 | 1278 | /* Set this before calling other routines, so that they see |
f676886a JB |
1279 | the correct value of x_focus_frame. */ |
1280 | x_focus_frame = frame; | |
6d4238f3 JB |
1281 | |
1282 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1283 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1284 | |
1285 | #if 0 | |
f676886a JB |
1286 | selected_frame = frame; |
1287 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1288 | Lisp_Frame, selected_frame); | |
1289 | Fselect_window (selected_frame->selected_window); | |
1290 | choose_minibuf_frame (); | |
c118dd06 | 1291 | #endif /* ! 0 */ |
dc6f92b8 | 1292 | |
f676886a JB |
1293 | if (x_focus_frame && x_focus_frame->auto_raise) |
1294 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1295 | } |
dc6f92b8 | 1296 | |
f676886a | 1297 | XTframe_rehighlight (); |
6d4238f3 JB |
1298 | } |
1299 | ||
1300 | ||
f451eb13 JB |
1301 | /* The focus has changed, or we have redirected a frame's focus to |
1302 | another frame (this happens when a frame uses a surrogate | |
1303 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1304 | static void |
f676886a | 1305 | XTframe_rehighlight () |
6d4238f3 | 1306 | { |
f676886a | 1307 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1308 | |
f676886a | 1309 | if (x_focus_frame) |
6d4238f3 | 1310 | { |
f451eb13 | 1311 | x_highlight_frame = |
ab648270 | 1312 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1313 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1314 | : x_focus_frame); | |
1315 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1316 | { | |
1317 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1318 | x_highlight_frame = x_focus_frame; | |
1319 | } | |
dc6f92b8 | 1320 | } |
6d4238f3 | 1321 | else |
f676886a | 1322 | x_highlight_frame = 0; |
dc6f92b8 | 1323 | |
f676886a | 1324 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1325 | { |
1326 | if (old_highlight) | |
f676886a JB |
1327 | frame_unhighlight (old_highlight); |
1328 | if (x_highlight_frame) | |
1329 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1330 | } |
dc6f92b8 JB |
1331 | } |
1332 | \f | |
90e65f07 JB |
1333 | /* Mouse clicks and mouse movement. Rah. */ |
1334 | #ifdef HAVE_X11 | |
1335 | ||
f676886a | 1336 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return |
90e65f07 JB |
1337 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle |
1338 | that the glyph at X, Y occupies, if BOUNDS != 0. */ | |
1339 | static void | |
f676886a JB |
1340 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds) |
1341 | FRAME_PTR f; | |
dc6f92b8 JB |
1342 | register unsigned int pix_x, pix_y; |
1343 | register int *x, *y; | |
90e65f07 | 1344 | XRectangle *bounds; |
dc6f92b8 | 1345 | { |
12ba150f JB |
1346 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1347 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
90e65f07 JB |
1348 | |
1349 | if (bounds) | |
1350 | { | |
12ba150f JB |
1351 | bounds->width = FONT_WIDTH (f->display.x->font); |
1352 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1353 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1354 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
90e65f07 | 1355 | } |
12ba150f JB |
1356 | |
1357 | if (pix_x < 0) pix_x = 0; | |
1358 | else if (pix_x > f->width) pix_x = f->width; | |
1359 | ||
1360 | if (pix_y < 0) pix_y = 0; | |
1361 | else if (pix_y > f->height) pix_y = f->height; | |
1362 | ||
1363 | *x = pix_x; | |
1364 | *y = pix_y; | |
dc6f92b8 | 1365 | } |
dc6f92b8 JB |
1366 | |
1367 | /* Any buttons grabbed. */ | |
1368 | unsigned int x_mouse_grabbed; | |
1369 | ||
28430d3c JB |
1370 | /* Which modifier keys are on which modifier bits? |
1371 | ||
1372 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1373 | keys were held down when the key was pressed. The interpretation |
1374 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1375 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1376 | is the meta bit. | |
1377 | ||
1378 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1379 | It may have more than one bit set, if more than one modifier bit | |
1380 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1381 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1382 | ||
1383 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1384 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1385 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1386 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1387 | arrangement, the lock modifier should shift the character if | |
1388 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1389 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1390 | |
a3c44b14 RS |
1391 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1392 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1393 | ||
28430d3c JB |
1394 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1395 | static void | |
1396 | x_find_modifier_meanings () | |
1397 | { | |
f689eb05 | 1398 | int min_code, max_code; |
28430d3c JB |
1399 | KeySym *syms; |
1400 | int syms_per_code; | |
1401 | XModifierKeymap *mods; | |
1402 | ||
1403 | x_meta_mod_mask = 0; | |
11edeb03 | 1404 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1405 | x_alt_mod_mask = 0; |
1406 | x_super_mod_mask = 0; | |
1407 | x_hyper_mod_mask = 0; | |
28430d3c | 1408 | |
9658a521 | 1409 | #ifdef HAVE_X11R4 |
28430d3c | 1410 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1411 | #else |
1412 | min_code = x_current_display->min_keycode; | |
1413 | max_code = x_current_display->max_keycode; | |
1414 | #endif | |
1415 | ||
28430d3c JB |
1416 | syms = XGetKeyboardMapping (x_current_display, |
1417 | min_code, max_code - min_code + 1, | |
1418 | &syms_per_code); | |
1419 | mods = XGetModifierMapping (x_current_display); | |
1420 | ||
11edeb03 JB |
1421 | /* Scan the modifier table to see which modifier bits the Meta and |
1422 | Alt keysyms are on. */ | |
28430d3c JB |
1423 | { |
1424 | int row, col; /* The row and column in the modifier table. */ | |
1425 | ||
1426 | for (row = 3; row < 8; row++) | |
1427 | for (col = 0; col < mods->max_keypermod; col++) | |
1428 | { | |
1429 | KeyCode code = | |
1430 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1431 | ||
1432 | /* Are any of this keycode's keysyms a meta key? */ | |
1433 | { | |
1434 | int code_col; | |
1435 | ||
1436 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1437 | { | |
f689eb05 | 1438 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1439 | |
f689eb05 | 1440 | switch (sym) |
28430d3c | 1441 | { |
f689eb05 JB |
1442 | case XK_Meta_L: |
1443 | case XK_Meta_R: | |
28430d3c JB |
1444 | x_meta_mod_mask |= (1 << row); |
1445 | break; | |
f689eb05 JB |
1446 | |
1447 | case XK_Alt_L: | |
1448 | case XK_Alt_R: | |
a3c44b14 RS |
1449 | x_alt_mod_mask |= (1 << row); |
1450 | break; | |
1451 | ||
1452 | case XK_Hyper_L: | |
1453 | case XK_Hyper_R: | |
1454 | x_hyper_mod_mask |= (1 << row); | |
1455 | break; | |
1456 | ||
1457 | case XK_Super_L: | |
1458 | case XK_Super_R: | |
1459 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1460 | break; |
11edeb03 JB |
1461 | |
1462 | case XK_Shift_Lock: | |
1463 | /* Ignore this if it's not on the lock modifier. */ | |
1464 | if ((1 << row) == LockMask) | |
1465 | x_shift_lock_mask = LockMask; | |
1466 | break; | |
28430d3c JB |
1467 | } |
1468 | } | |
1469 | } | |
1470 | } | |
1471 | } | |
1472 | ||
f689eb05 JB |
1473 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1474 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1475 | { |
1476 | x_meta_mod_mask = x_alt_mod_mask; | |
1477 | x_alt_mod_mask = 0; | |
1478 | } | |
f689eb05 | 1479 | |
28430d3c | 1480 | XFree ((char *) syms); |
f689eb05 | 1481 | XFreeModifiermap (mods); |
28430d3c JB |
1482 | } |
1483 | ||
1484 | ||
dc6f92b8 JB |
1485 | /* Convert a set of X modifier bits to the proper form for a |
1486 | struct input_event modifiers value. */ | |
1487 | ||
7c5283e4 | 1488 | static unsigned int |
dc6f92b8 JB |
1489 | x_convert_modifiers (state) |
1490 | unsigned int state; | |
1491 | { | |
11edeb03 JB |
1492 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1493 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1494 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1495 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1496 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1497 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1498 | } |
1499 | ||
dc6f92b8 JB |
1500 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1501 | ||
1502 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1503 | the mouse. */ |
dc6f92b8 JB |
1504 | |
1505 | static Lisp_Object | |
f451eb13 | 1506 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1507 | struct input_event *result; |
1508 | XButtonEvent *event; | |
f676886a | 1509 | struct frame *f; |
dc6f92b8 | 1510 | { |
f451eb13 | 1511 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1512 | otherwise. */ |
f451eb13 JB |
1513 | result->kind = mouse_click; |
1514 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1515 | result->timestamp = event->time; |
dc6f92b8 | 1516 | result->modifiers = (x_convert_modifiers (event->state) |
f689eb05 JB |
1517 | | (event->type == ButtonRelease |
1518 | ? up_modifier | |
1519 | : down_modifier)); | |
dc6f92b8 JB |
1520 | |
1521 | /* Notice if the mouse is still grabbed. */ | |
1522 | if (event->type == ButtonPress) | |
1523 | { | |
1524 | if (! x_mouse_grabbed) | |
1525 | Vmouse_depressed = Qt; | |
90e65f07 | 1526 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1527 | } |
1528 | else if (event->type == ButtonRelease) | |
1529 | { | |
90e65f07 | 1530 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1531 | if (!x_mouse_grabbed) |
1532 | Vmouse_depressed = Qnil; | |
1533 | } | |
1534 | ||
f451eb13 JB |
1535 | { |
1536 | int row, column; | |
dc6f92b8 | 1537 | |
f451eb13 JB |
1538 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1539 | XFASTINT (result->x) = column; | |
1540 | XFASTINT (result->y) = row; | |
12ba150f | 1541 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1542 | } |
dc6f92b8 JB |
1543 | } |
1544 | ||
1545 | ||
90e65f07 JB |
1546 | /* Mouse movement. Rah. |
1547 | ||
1548 | In order to avoid asking for motion events and then throwing most | |
1549 | of them away or busy-polling the server for mouse positions, we ask | |
1550 | the server for pointer motion hints. This means that we get only | |
1551 | one event per group of mouse movements. "Groups" are delimited by | |
1552 | other kinds of events (focus changes and button clicks, for | |
1553 | example), or by XQueryPointer calls; when one of these happens, we | |
1554 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1555 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1556 | tracking is on, and I suspect only negligibly worse when tracking |
1557 | is off. | |
1558 | ||
1559 | The silly O'Reilly & Associates Nutshell guides barely document | |
1560 | pointer motion hints at all (I think you have to infer how they | |
1561 | work from an example), and the description of XQueryPointer doesn't | |
1562 | mention that calling it causes you to get another motion hint from | |
1563 | the server, which is very important. */ | |
1564 | ||
1565 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1566 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1567 | static XRectangle last_mouse_glyph; |
1568 | ||
ab648270 | 1569 | /* The scroll bar in which the last X motion event occurred. |
12ba150f | 1570 | |
ab648270 JB |
1571 | If the last X motion event occured in a scroll bar, we set this |
1572 | so XTmouse_position can know whether to report a scroll bar motion or | |
12ba150f JB |
1573 | an ordinary motion. |
1574 | ||
ab648270 | 1575 | If the last X motion event didn't occur in a scroll bar, we set this |
12ba150f | 1576 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ |
ab648270 | 1577 | static Lisp_Object last_mouse_scroll_bar; |
f451eb13 | 1578 | |
e5d77022 JB |
1579 | /* This is a hack. We would really prefer that XTmouse_position would |
1580 | return the time associated with the position it returns, but there | |
1581 | doesn't seem to be any way to wrest the timestamp from the server | |
1582 | along with the position query. So, we just keep track of the time | |
1583 | of the last movement we received, and return that in hopes that | |
1584 | it's somewhat accurate. */ | |
1585 | static Time last_mouse_movement_time; | |
1586 | ||
90e65f07 JB |
1587 | /* Function to report a mouse movement to the mainstream Emacs code. |
1588 | The input handler calls this. | |
1589 | ||
1590 | We have received a mouse movement event, which is given in *event. | |
1591 | If the mouse is over a different glyph than it was last time, tell | |
1592 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1593 | another motion event, so we can check again the next time it moves. */ | |
1594 | static void | |
12ba150f | 1595 | note_mouse_movement (frame, event) |
f676886a | 1596 | FRAME_PTR frame; |
90e65f07 JB |
1597 | XMotionEvent *event; |
1598 | ||
1599 | { | |
e5d77022 JB |
1600 | last_mouse_movement_time = event->time; |
1601 | ||
90e65f07 JB |
1602 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1603 | if (event->x < last_mouse_glyph.x | |
1604 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1605 | || event->y < last_mouse_glyph.y | |
1606 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1607 | { |
1608 | mouse_moved = 1; | |
ab648270 | 1609 | last_mouse_scroll_bar = Qnil; |
12ba150f | 1610 | } |
90e65f07 JB |
1611 | else |
1612 | { | |
1613 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1614 | event the next time the mouse moves and we can see if it's | |
1615 | *still* on the same glyph. */ | |
1616 | int dummy; | |
1617 | ||
1618 | XQueryPointer (event->display, event->window, | |
1619 | (Window *) &dummy, (Window *) &dummy, | |
1620 | &dummy, &dummy, &dummy, &dummy, | |
1621 | (unsigned int *) &dummy); | |
1622 | } | |
1623 | } | |
1624 | ||
ab648270 JB |
1625 | static struct scroll_bar *x_window_to_scroll_bar (); |
1626 | static void x_scroll_bar_report_motion (); | |
12ba150f | 1627 | |
90e65f07 JB |
1628 | /* Return the current position of the mouse. |
1629 | ||
ab648270 JB |
1630 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
1631 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 1632 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 1633 | position on the scroll bar. |
12ba150f JB |
1634 | |
1635 | If the mouse movement started elsewhere, set *f to the frame the | |
1636 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1637 | the mouse is over. | |
1638 | ||
1639 | Set *time to the server timestamp for the time at which the mouse | |
1640 | was at this position. | |
1641 | ||
90e65f07 | 1642 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1643 | movement. This also calls XQueryPointer, which will cause the |
1644 | server to give us another MotionNotify when the mouse moves | |
1645 | again. */ | |
90e65f07 JB |
1646 | |
1647 | static void | |
12ba150f | 1648 | XTmouse_position (f, bar_window, part, x, y, time) |
f676886a | 1649 | FRAME_PTR *f; |
12ba150f | 1650 | Lisp_Object *bar_window; |
ab648270 | 1651 | enum scroll_bar_part *part; |
90e65f07 | 1652 | Lisp_Object *x, *y; |
e5d77022 | 1653 | unsigned long *time; |
90e65f07 | 1654 | { |
90e65f07 JB |
1655 | BLOCK_INPUT; |
1656 | ||
ab648270 JB |
1657 | if (! NILP (last_mouse_scroll_bar)) |
1658 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1659 | else |
1660 | { | |
12ba150f JB |
1661 | Window root; |
1662 | int root_x, root_y; | |
90e65f07 | 1663 | |
12ba150f JB |
1664 | Window dummy_window; |
1665 | int dummy; | |
1666 | ||
1667 | mouse_moved = 0; | |
ab648270 | 1668 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
1669 | |
1670 | /* Figure out which root window we're on. */ | |
1671 | XQueryPointer (x_current_display, | |
1672 | DefaultRootWindow (x_current_display), | |
1673 | ||
1674 | /* The root window which contains the pointer. */ | |
1675 | &root, | |
1676 | ||
1677 | /* Trash which we can't trust if the pointer is on | |
1678 | a different screen. */ | |
1679 | &dummy_window, | |
1680 | ||
1681 | /* The position on that root window. */ | |
1682 | &root_x, &root_y, | |
1683 | ||
1684 | /* More trash we can't trust. */ | |
1685 | &dummy, &dummy, | |
1686 | ||
1687 | /* Modifier keys and pointer buttons, about which | |
1688 | we don't care. */ | |
1689 | (unsigned int *) &dummy); | |
1690 | ||
1691 | /* Now we have a position on the root; find the innermost window | |
1692 | containing the pointer. */ | |
1693 | { | |
1694 | Window win, child; | |
1695 | int win_x, win_y; | |
1696 | int parent_x, parent_y; | |
1697 | ||
1698 | win = root; | |
1699 | for (;;) | |
1700 | { | |
1701 | XTranslateCoordinates (x_current_display, | |
1702 | ||
1703 | /* From-window, to-window. */ | |
1704 | root, win, | |
1705 | ||
1706 | /* From-position, to-position. */ | |
1707 | root_x, root_y, &win_x, &win_y, | |
1708 | ||
1709 | /* Child of win. */ | |
1710 | &child); | |
1711 | ||
1712 | if (child == None) | |
1713 | break; | |
1714 | ||
1715 | win = child; | |
1716 | parent_x = win_x; | |
1717 | parent_y = win_y; | |
1718 | } | |
1719 | ||
1720 | /* Now we know that: | |
1721 | win is the innermost window containing the pointer | |
1722 | (XTC says it has no child containing the pointer), | |
1723 | win_x and win_y are the pointer's position in it | |
1724 | (XTC did this the last time through), and | |
1725 | parent_x and parent_y are the pointer's position in win's parent. | |
1726 | (They are what win_x and win_y were when win was child. | |
1727 | If win is the root window, it has no parent, and | |
1728 | parent_{x,y} are invalid, but that's okay, because we'll | |
1729 | never use them in that case.) */ | |
1730 | ||
1731 | /* Is win one of our frames? */ | |
1732 | *f = x_window_to_frame (win); | |
1733 | ||
ab648270 | 1734 | /* If not, is it one of our scroll bars? */ |
12ba150f JB |
1735 | if (! *f) |
1736 | { | |
ab648270 | 1737 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
1738 | |
1739 | if (bar) | |
1740 | { | |
1741 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1742 | win_x = parent_x; | |
1743 | win_y = parent_y; | |
1744 | } | |
1745 | } | |
90e65f07 | 1746 | |
12ba150f JB |
1747 | if (*f) |
1748 | { | |
1749 | pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y, | |
1750 | &last_mouse_glyph); | |
1751 | ||
1752 | *bar_window = Qnil; | |
1753 | *part = 0; | |
1754 | XSET (*x, Lisp_Int, win_x); | |
1755 | XSET (*y, Lisp_Int, win_y); | |
1756 | *time = last_mouse_movement_time; | |
1757 | } | |
1758 | } | |
1759 | } | |
90e65f07 JB |
1760 | |
1761 | UNBLOCK_INPUT; | |
1762 | } | |
1763 | ||
c118dd06 | 1764 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1765 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1766 | #endif /* ! defined (HAVE_X11) */ |
1767 | \f | |
ab648270 | 1768 | /* Scroll bar support. */ |
f451eb13 | 1769 | |
ab648270 JB |
1770 | /* Given an X window ID, find the struct scroll_bar which manages it. |
1771 | This can be called in GC, so we have to make sure to strip off mark | |
1772 | bits. */ | |
1773 | static struct scroll_bar * | |
1774 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
1775 | Window window_id; |
1776 | { | |
1777 | Lisp_Object tail, frame; | |
f451eb13 | 1778 | |
ab648270 JB |
1779 | for (tail = Vframe_list; |
1780 | XGCTYPE (tail) == Lisp_Cons; | |
1781 | tail = XCONS (tail)->cdr) | |
f451eb13 | 1782 | { |
f451eb13 | 1783 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1784 | Lisp_Object bar, condemned; |
f451eb13 JB |
1785 | |
1786 | /* All elements of Vframe_list should be frames. */ | |
ab648270 | 1787 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
1788 | abort (); |
1789 | ||
ab648270 | 1790 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 1791 | right window ID. */ |
ab648270 JB |
1792 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
1793 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 1794 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
1795 | condemned scroll bar lists with one loop. */ |
1796 | ! GC_NILP (bar) || (bar = condemned, | |
1797 | condemned = Qnil, | |
1798 | ! GC_NILP (bar)); | |
1799 | bar = XSCROLL_BAR(bar)->next) | |
1800 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1801 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
1802 | } |
1803 | ||
1804 | return 0; | |
1805 | } | |
1806 | ||
ab648270 JB |
1807 | /* Open a new X window to serve as a scroll bar, and return the |
1808 | scroll bar vector for it. */ | |
1809 | static struct scroll_bar * | |
1810 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 1811 | struct window *window; |
f451eb13 JB |
1812 | int top, left, width, height; |
1813 | { | |
12ba150f | 1814 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
1815 | struct scroll_bar *bar = |
1816 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
1817 | |
1818 | BLOCK_INPUT; | |
1819 | ||
1820 | { | |
1821 | XSetWindowAttributes a; | |
1822 | unsigned long mask; | |
1823 | ||
12ba150f JB |
1824 | a.background_pixel = frame->display.x->background_pixel; |
1825 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1826 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1827 | | ExposureMask); |
ab648270 | 1828 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 1829 | |
dbc4e1c1 | 1830 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 1831 | |
ab648270 | 1832 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
1833 | (bar, |
1834 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1835 | |
ab648270 | 1836 | /* Position and size of scroll bar. */ |
12ba150f | 1837 | left, top, width, height, |
f451eb13 | 1838 | |
12ba150f JB |
1839 | /* Border width, depth, class, and visual. */ |
1840 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1841 | |
12ba150f JB |
1842 | /* Attributes. */ |
1843 | mask, &a)); | |
f451eb13 JB |
1844 | } |
1845 | ||
12ba150f JB |
1846 | XSET (bar->window, Lisp_Window, window); |
1847 | XSET (bar->top, Lisp_Int, top); | |
1848 | XSET (bar->left, Lisp_Int, left); | |
1849 | XSET (bar->width, Lisp_Int, width); | |
1850 | XSET (bar->height, Lisp_Int, height); | |
1851 | XSET (bar->start, Lisp_Int, 0); | |
1852 | XSET (bar->end, Lisp_Int, 0); | |
1853 | bar->dragging = Qnil; | |
f451eb13 JB |
1854 | |
1855 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 1856 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 1857 | bar->prev = Qnil; |
ab648270 | 1858 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 1859 | if (! NILP (bar->next)) |
ab648270 | 1860 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 1861 | |
ab648270 | 1862 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
1863 | |
1864 | UNBLOCK_INPUT; | |
12ba150f JB |
1865 | |
1866 | return bar; | |
f451eb13 JB |
1867 | } |
1868 | ||
12ba150f JB |
1869 | /* Draw BAR's handle in the proper position. |
1870 | If the handle is already drawn from START to END, don't bother | |
1871 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1872 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1873 | events.) | |
1874 | ||
1875 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 1876 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
1877 | handle, we want to let them drag it down all the way, so that the |
1878 | bar's top is as far down as it goes; otherwise, there's no way to | |
1879 | move to the very end of the buffer. */ | |
f451eb13 | 1880 | static void |
ab648270 JB |
1881 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
1882 | struct scroll_bar *bar; | |
f451eb13 | 1883 | int start, end; |
12ba150f | 1884 | int rebuild; |
f451eb13 | 1885 | { |
12ba150f | 1886 | int dragging = ! NILP (bar->dragging); |
ab648270 | 1887 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
1888 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
1889 | ||
1890 | /* If the display is already accurate, do nothing. */ | |
1891 | if (! rebuild | |
1892 | && start == XINT (bar->start) | |
1893 | && end == XINT (bar->end)) | |
1894 | return; | |
1895 | ||
f451eb13 JB |
1896 | BLOCK_INPUT; |
1897 | ||
1898 | { | |
ab648270 JB |
1899 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
1900 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
1901 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
1902 | |
1903 | /* Make sure the values are reasonable, and try to preserve | |
1904 | the distance between start and end. */ | |
12ba150f JB |
1905 | { |
1906 | int length = end - start; | |
1907 | ||
1908 | if (start < 0) | |
1909 | start = 0; | |
1910 | else if (start > top_range) | |
1911 | start = top_range; | |
1912 | end = start + length; | |
1913 | ||
1914 | if (end < start) | |
1915 | end = start; | |
1916 | else if (end > top_range && ! dragging) | |
1917 | end = top_range; | |
1918 | } | |
f451eb13 | 1919 | |
ab648270 | 1920 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
1921 | XSET (bar->start, Lisp_Int, start); |
1922 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 1923 | |
12ba150f JB |
1924 | /* Clip the end position, just for display. */ |
1925 | if (end > top_range) | |
1926 | end = top_range; | |
f451eb13 | 1927 | |
ab648270 | 1928 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
1929 | below top positions, to make sure the handle is always at least |
1930 | that many pixels tall. */ | |
ab648270 | 1931 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 1932 | |
12ba150f JB |
1933 | /* Draw the empty space above the handle. Note that we can't clear |
1934 | zero-height areas; that means "clear to end of window." */ | |
1935 | if (0 < start) | |
1936 | XClearArea (x_current_display, w, | |
f451eb13 | 1937 | |
12ba150f | 1938 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1939 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1940 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
1941 | inside_width, start, |
1942 | False); | |
f451eb13 | 1943 | |
12ba150f JB |
1944 | /* Draw the handle itself. */ |
1945 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 1946 | |
12ba150f | 1947 | /* x, y, width, height */ |
ab648270 JB |
1948 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1949 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 1950 | inside_width, end - start); |
f451eb13 | 1951 | |
f451eb13 | 1952 | |
12ba150f JB |
1953 | /* Draw the empty space below the handle. Note that we can't |
1954 | clear zero-height areas; that means "clear to end of window." */ | |
1955 | if (end < inside_height) | |
1956 | XClearArea (x_current_display, w, | |
f451eb13 | 1957 | |
12ba150f | 1958 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1959 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1960 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
1961 | inside_width, inside_height - end, |
1962 | False); | |
f451eb13 | 1963 | |
f451eb13 JB |
1964 | } |
1965 | ||
f451eb13 JB |
1966 | UNBLOCK_INPUT; |
1967 | } | |
1968 | ||
ab648270 | 1969 | /* Move a scroll bar around on the screen, to accomodate changing |
12ba150f | 1970 | window configurations. */ |
f451eb13 | 1971 | static void |
ab648270 JB |
1972 | x_scroll_bar_move (bar, top, left, width, height) |
1973 | struct scroll_bar *bar; | |
f451eb13 JB |
1974 | int top, left, width, height; |
1975 | { | |
1976 | BLOCK_INPUT; | |
1977 | ||
1978 | { | |
1979 | XWindowChanges wc; | |
1980 | unsigned int mask = 0; | |
1981 | ||
1982 | wc.x = left; | |
1983 | wc.y = top; | |
1984 | wc.width = width; | |
1985 | wc.height = height; | |
1986 | ||
12ba150f JB |
1987 | if (left != XINT (bar->left)) mask |= CWX; |
1988 | if (top != XINT (bar->top)) mask |= CWY; | |
1989 | if (width != XINT (bar->width)) mask |= CWWidth; | |
1990 | if (height != XINT (bar->height)) mask |= CWHeight; | |
1991 | ||
1992 | if (mask) | |
ab648270 | 1993 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 1994 | mask, &wc); |
f451eb13 JB |
1995 | } |
1996 | ||
12ba150f JB |
1997 | XSET (bar->left, Lisp_Int, left); |
1998 | XSET (bar->top, Lisp_Int, top); | |
1999 | XSET (bar->width, Lisp_Int, width); | |
2000 | XSET (bar->height, Lisp_Int, height); | |
2001 | ||
f451eb13 JB |
2002 | UNBLOCK_INPUT; |
2003 | } | |
2004 | ||
ab648270 | 2005 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2006 | to nil. */ |
2007 | static void | |
ab648270 JB |
2008 | x_scroll_bar_remove (bar) |
2009 | struct scroll_bar *bar; | |
12ba150f JB |
2010 | { |
2011 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2012 | ||
2013 | BLOCK_INPUT; | |
2014 | ||
2015 | /* Destroy the window. */ | |
ab648270 | 2016 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2017 | |
ab648270 JB |
2018 | /* Disassociate this scroll bar from its window. */ |
2019 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2020 | |
2021 | UNBLOCK_INPUT; | |
2022 | } | |
2023 | ||
2024 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2025 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2026 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2027 | create one. */ |
2028 | static void | |
ab648270 | 2029 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2030 | struct window *window; |
2031 | int portion, whole, position; | |
2032 | { | |
2033 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2034 | int top = XINT (window->top); |
ab648270 JB |
2035 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2036 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2037 | |
ab648270 | 2038 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2039 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2040 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2041 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2042 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2043 | |
ab648270 | 2044 | struct scroll_bar *bar; |
12ba150f | 2045 | |
ab648270 JB |
2046 | /* Does the scroll bar exist yet? */ |
2047 | if (NILP (window->vertical_scroll_bar)) | |
2048 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2049 | pixel_top, pixel_left, |
2050 | pixel_width, pixel_height); | |
2051 | else | |
12ba150f JB |
2052 | { |
2053 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2054 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2055 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2056 | } |
f451eb13 | 2057 | |
ab648270 | 2058 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2059 | dragged. */ |
12ba150f | 2060 | if (NILP (bar->dragging)) |
f451eb13 | 2061 | { |
12ba150f | 2062 | int top_range = |
ab648270 | 2063 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2064 | |
12ba150f | 2065 | if (whole == 0) |
ab648270 | 2066 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2067 | else |
2068 | { | |
2069 | int start = (position * top_range) / whole; | |
2070 | int end = ((position + portion) * top_range) / whole; | |
2071 | ||
ab648270 | 2072 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2073 | } |
f451eb13 JB |
2074 | } |
2075 | ||
ab648270 | 2076 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2077 | } |
2078 | ||
12ba150f | 2079 | |
f451eb13 | 2080 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2081 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2082 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2083 | away is a real pain - "Can you say set-window-configuration, boys |
2084 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2085 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2086 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2087 | |
ab648270 JB |
2088 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2089 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2090 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2091 | static void |
ab648270 | 2092 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2093 | FRAME_PTR frame; |
2094 | { | |
12ba150f JB |
2095 | /* The condemned list should be empty at this point; if it's not, |
2096 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2097 | protocol correctly. */ | |
ab648270 | 2098 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2099 | abort (); |
2100 | ||
2101 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2102 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2103 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2104 | } |
2105 | ||
ab648270 | 2106 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2107 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2108 | static void |
ab648270 | 2109 | XTredeem_scroll_bar (window) |
12ba150f | 2110 | struct window *window; |
f451eb13 | 2111 | { |
ab648270 | 2112 | struct scroll_bar *bar; |
12ba150f | 2113 | |
ab648270 JB |
2114 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2115 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2116 | abort (); |
2117 | ||
ab648270 | 2118 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2119 | |
2120 | /* Unlink it from the condemned list. */ | |
2121 | { | |
2122 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2123 | ||
2124 | if (NILP (bar->prev)) | |
2125 | { | |
2126 | /* If the prev pointer is nil, it must be the first in one of | |
2127 | the lists. */ | |
ab648270 | 2128 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2129 | /* It's not condemned. Everything's fine. */ |
2130 | return; | |
ab648270 JB |
2131 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2132 | window->vertical_scroll_bar)) | |
2133 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2134 | else |
2135 | /* If its prev pointer is nil, it must be at the front of | |
2136 | one or the other! */ | |
2137 | abort (); | |
2138 | } | |
2139 | else | |
ab648270 | 2140 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2141 | |
2142 | if (! NILP (bar->next)) | |
ab648270 | 2143 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2144 | |
ab648270 | 2145 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2146 | bar->prev = Qnil; |
ab648270 | 2147 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2148 | if (! NILP (bar->next)) |
ab648270 | 2149 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2150 | } |
f451eb13 JB |
2151 | } |
2152 | ||
ab648270 JB |
2153 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2154 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2155 | static void |
ab648270 | 2156 | XTjudge_scroll_bars (f) |
12ba150f | 2157 | FRAME_PTR f; |
f451eb13 | 2158 | { |
12ba150f | 2159 | Lisp_Object bar, next; |
f451eb13 | 2160 | |
ab648270 | 2161 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2162 | |
2163 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2164 | more events on the hapless scroll bars. */ |
2165 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2166 | |
2167 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2168 | { |
ab648270 | 2169 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2170 | |
ab648270 | 2171 | x_scroll_bar_remove (b); |
12ba150f JB |
2172 | |
2173 | next = b->next; | |
2174 | b->next = b->prev = Qnil; | |
f451eb13 | 2175 | } |
12ba150f | 2176 | |
ab648270 | 2177 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2178 | and they should get garbage-collected. */ |
f451eb13 JB |
2179 | } |
2180 | ||
2181 | ||
ab648270 JB |
2182 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2183 | ||
2184 | This may be called from a signal handler, so we have to ignore GC | |
2185 | mark bits. */ | |
f451eb13 | 2186 | static void |
ab648270 JB |
2187 | x_scroll_bar_expose (bar, event) |
2188 | struct scroll_bar *bar; | |
f451eb13 JB |
2189 | XEvent *event; |
2190 | { | |
ab648270 | 2191 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2192 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2193 | ||
f451eb13 JB |
2194 | BLOCK_INPUT; |
2195 | ||
ab648270 | 2196 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2197 | |
ab648270 | 2198 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2199 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2200 | |
2201 | /* x, y, width, height */ | |
12ba150f | 2202 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2203 | |
12ba150f JB |
2204 | /* Draw another line to make the extra-thick border on the right. */ |
2205 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2206 | |
12ba150f JB |
2207 | /* x, y, width, height */ |
2208 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2209 | |
2210 | UNBLOCK_INPUT; | |
2211 | } | |
2212 | ||
ab648270 JB |
2213 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2214 | is set to something other than no_event, it is enqueued. | |
2215 | ||
2216 | This may be called from a signal handler, so we have to ignore GC | |
2217 | mark bits. */ | |
f451eb13 | 2218 | static void |
ab648270 JB |
2219 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2220 | struct scroll_bar *bar; | |
f451eb13 JB |
2221 | XEvent *event; |
2222 | struct input_event *emacs_event; | |
2223 | { | |
ab648270 | 2224 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2225 | abort (); |
2226 | ||
ab648270 | 2227 | emacs_event->kind = scroll_bar_click; |
12ba150f | 2228 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 JB |
2229 | emacs_event->modifiers = |
2230 | (x_convert_modifiers (event->xbutton.state) | |
2231 | | (event->type == ButtonRelease | |
2232 | ? up_modifier | |
2233 | : down_modifier)); | |
12ba150f | 2234 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2235 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2236 | { |
2237 | int internal_height = | |
ab648270 | 2238 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2239 | int top_range = |
ab648270 JB |
2240 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2241 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2242 | |
2243 | if (y < 0) y = 0; | |
2244 | if (y > top_range) y = top_range; | |
2245 | ||
2246 | if (y < XINT (bar->start)) | |
ab648270 JB |
2247 | emacs_event->part = scroll_bar_above_handle; |
2248 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2249 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2250 | else |
ab648270 | 2251 | emacs_event->part = scroll_bar_below_handle; |
12ba150f JB |
2252 | |
2253 | /* If the user has just clicked on the handle, record where they're | |
2254 | holding it. */ | |
2255 | if (event->type == ButtonPress | |
ab648270 | 2256 | && emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2257 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
2258 | ||
2259 | /* If the user has released the handle, set it to its final position. */ | |
2260 | if (event->type == ButtonRelease | |
2261 | && ! NILP (bar->dragging)) | |
2262 | { | |
2263 | int new_start = y - XINT (bar->dragging); | |
2264 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2265 | |
ab648270 | 2266 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2267 | bar->dragging = Qnil; |
2268 | } | |
f451eb13 | 2269 | |
12ba150f JB |
2270 | /* Clicks on the handle are always reported as occuring at the top of |
2271 | the handle. */ | |
ab648270 | 2272 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2273 | emacs_event->x = bar->start; |
2274 | else | |
2275 | XSET (emacs_event->x, Lisp_Int, y); | |
f451eb13 | 2276 | |
12ba150f JB |
2277 | XSET (emacs_event->y, Lisp_Int, top_range); |
2278 | } | |
2279 | } | |
f451eb13 | 2280 | |
ab648270 JB |
2281 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2282 | ||
2283 | This may be called from a signal handler, so we have to ignore GC | |
2284 | mark bits. */ | |
f451eb13 | 2285 | static void |
ab648270 JB |
2286 | x_scroll_bar_note_movement (bar, event) |
2287 | struct scroll_bar *bar; | |
f451eb13 JB |
2288 | XEvent *event; |
2289 | { | |
2290 | last_mouse_movement_time = event->xmotion.time; | |
2291 | ||
2292 | mouse_moved = 1; | |
ab648270 | 2293 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2294 | |
2295 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2296 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2297 | { |
2298 | /* Where should the handle be now? */ | |
12ba150f | 2299 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2300 | |
12ba150f | 2301 | if (new_start != XINT (bar->start)) |
f451eb13 | 2302 | { |
12ba150f | 2303 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2304 | |
ab648270 | 2305 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2306 | } |
2307 | } | |
2308 | ||
2309 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2310 | moves and we can see *still* on the same position. */ | |
2311 | { | |
2312 | int dummy; | |
2313 | ||
2314 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2315 | (Window *) &dummy, (Window *) &dummy, | |
2316 | &dummy, &dummy, &dummy, &dummy, | |
2317 | (unsigned int *) &dummy); | |
2318 | } | |
2319 | } | |
2320 | ||
12ba150f | 2321 | /* Return information to the user about the current position of the mouse |
ab648270 | 2322 | on the scroll bar. */ |
12ba150f | 2323 | static void |
ab648270 | 2324 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2325 | FRAME_PTR *f; |
2326 | Lisp_Object *bar_window; | |
ab648270 | 2327 | enum scroll_bar_part *part; |
12ba150f JB |
2328 | Lisp_Object *x, *y; |
2329 | unsigned long *time; | |
2330 | { | |
ab648270 | 2331 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f JB |
2332 | int win_x, win_y; |
2333 | ||
cf7cb199 JB |
2334 | BLOCK_INPUT; |
2335 | ||
ab648270 | 2336 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f JB |
2337 | report that. */ |
2338 | { | |
2339 | Window dummy_window; | |
2340 | int dummy_coord; | |
2341 | unsigned int dummy_mask; | |
2342 | ||
2343 | if (! XQueryPointer (x_current_display, | |
ab648270 | 2344 | SCROLL_BAR_X_WINDOW (bar), |
12ba150f JB |
2345 | |
2346 | /* Root, child, root x and root y. */ | |
2347 | &dummy_window, &dummy_window, | |
2348 | &dummy_coord, &dummy_coord, | |
2349 | ||
ab648270 | 2350 | /* Position relative to scroll bar. */ |
12ba150f JB |
2351 | &win_x, &win_y, |
2352 | ||
2353 | /* Mouse buttons and modifier keys. */ | |
2354 | &dummy_mask)) | |
2355 | { | |
2356 | *f = 0; | |
cf7cb199 | 2357 | goto done; |
12ba150f JB |
2358 | } |
2359 | } | |
2360 | ||
2361 | { | |
ab648270 JB |
2362 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
2363 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
12ba150f | 2364 | |
ab648270 | 2365 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
2366 | |
2367 | if (! NILP (bar->dragging)) | |
2368 | win_y -= XINT (bar->dragging); | |
2369 | ||
2370 | if (win_y < 0) | |
2371 | win_y = 0; | |
2372 | if (win_y > top_range) | |
2373 | win_y = top_range; | |
2374 | ||
2375 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2376 | *bar_window = bar->window; | |
2377 | ||
2378 | if (! NILP (bar->dragging)) | |
ab648270 | 2379 | *part = scroll_bar_handle; |
12ba150f | 2380 | else if (win_y < XINT (bar->start)) |
ab648270 JB |
2381 | *part = scroll_bar_above_handle; |
2382 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2383 | *part = scroll_bar_handle; | |
12ba150f | 2384 | else |
ab648270 | 2385 | *part = scroll_bar_below_handle; |
12ba150f JB |
2386 | |
2387 | XSET (*x, Lisp_Int, win_y); | |
2388 | XSET (*y, Lisp_Int, top_range); | |
2389 | *time = last_mouse_movement_time; | |
2390 | } | |
2391 | ||
2392 | mouse_moved = 0; | |
ab648270 | 2393 | last_mouse_scroll_bar = Qnil; |
cf7cb199 JB |
2394 | |
2395 | done: | |
2396 | UNBLOCK_INPUT; | |
12ba150f JB |
2397 | } |
2398 | ||
f451eb13 | 2399 | |
dbc4e1c1 | 2400 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2401 | background colors, and the scroll bars may need to be redrawn. |
2402 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2403 | redraw them. */ |
2404 | ||
ab648270 | 2405 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2406 | FRAME_PTR f; |
2407 | { | |
2408 | Lisp_Object bar; | |
2409 | ||
ab648270 | 2410 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2411 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2412 | bar = XSCROLL_BAR (bar)->next) |
2413 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2414 | 0, 0, 0, 0, True); |
2415 | } | |
2416 | ||
2417 | ||
f451eb13 JB |
2418 | \f |
2419 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2420 | |
dc6f92b8 JB |
2421 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2422 | but we have to put it out here, since static variables within functions | |
2423 | sometimes don't work. */ | |
2424 | static Time enter_timestamp; | |
2425 | ||
11edeb03 JB |
2426 | /* This holds the state XLookupString needs to implement dead keys |
2427 | and other tricks known as "compose processing". _X Window System_ | |
2428 | says that a portable program can't use this, but Stephen Gildea assures | |
2429 | me that letting the compiler initialize it to zeros will work okay. | |
2430 | ||
2431 | This must be defined outside of XTread_socket, for the same reasons | |
2432 | given for enter_timestamp, above. */ | |
2433 | static XComposeStatus compose_status; | |
2434 | ||
c047688c JA |
2435 | /* Communication with window managers. */ |
2436 | Atom Xatom_wm_protocols; | |
2437 | ||
2438 | /* Kinds of protocol things we may receive. */ | |
2439 | Atom Xatom_wm_take_focus; | |
2440 | Atom Xatom_wm_save_yourself; | |
2441 | Atom Xatom_wm_delete_window; | |
2442 | ||
2443 | /* Other WM communication */ | |
2444 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2445 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2446 | ||
d56a553a RS |
2447 | /* Window manager communication. */ |
2448 | Atom Xatom_wm_change_state; | |
2449 | ||
10e6549c RS |
2450 | /* Record the last 100 characters stored |
2451 | to help debug the loss-of-chars-during-GC problem. */ | |
2452 | int temp_index; | |
2453 | short temp_buffer[100]; | |
2454 | ||
dc6f92b8 JB |
2455 | /* Read events coming from the X server. |
2456 | This routine is called by the SIGIO handler. | |
2457 | We return as soon as there are no more events to be read. | |
2458 | ||
2459 | Events representing keys are stored in buffer BUFP, | |
2460 | which can hold up to NUMCHARS characters. | |
2461 | We return the number of characters stored into the buffer, | |
2462 | thus pretending to be `read'. | |
2463 | ||
2464 | WAITP is nonzero if we should block until input arrives. | |
2465 | EXPECTED is nonzero if the caller knows input is available. */ | |
2466 | ||
7c5283e4 | 2467 | int |
dc6f92b8 JB |
2468 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2469 | register int sd; | |
2470 | register struct input_event *bufp; | |
2471 | register int numchars; | |
2472 | int waitp; | |
2473 | int expected; | |
2474 | { | |
2475 | int count = 0; | |
2476 | int nbytes = 0; | |
2477 | int mask; | |
2478 | int items_pending; /* How many items are in the X queue. */ | |
2479 | XEvent event; | |
f676886a | 2480 | struct frame *f; |
dc6f92b8 JB |
2481 | int event_found; |
2482 | int prefix; | |
2483 | Lisp_Object part; | |
2484 | ||
2485 | if (x_input_blocked) | |
2486 | { | |
2487 | x_pending_input = 1; | |
2488 | return -1; | |
2489 | } | |
2490 | ||
2491 | x_pending_input = 0; | |
2492 | BLOCK_INPUT; | |
2493 | ||
2494 | if (numchars <= 0) | |
2495 | abort (); /* Don't think this happens. */ | |
2496 | ||
2497 | #ifdef FIOSNBIO | |
2498 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2499 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2500 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2501 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2502 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2503 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2504 | |
2505 | #ifndef SIGIO | |
2506 | #ifndef HAVE_SELECT | |
2507 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2508 | { | |
2509 | extern int read_alarm_should_throw; | |
2510 | read_alarm_should_throw = 1; | |
2511 | XPeekEvent (XDISPLAY &event); | |
2512 | read_alarm_should_throw = 0; | |
2513 | } | |
c118dd06 JB |
2514 | #endif /* HAVE_SELECT */ |
2515 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2516 | |
2517 | while (XStuffPending () != 0) | |
2518 | { | |
2519 | XNextEvent (XDISPLAY &event); | |
2520 | event_found = 1; | |
2521 | ||
2522 | switch (event.type) | |
2523 | { | |
2524 | #ifdef HAVE_X11 | |
c047688c JA |
2525 | case ClientMessage: |
2526 | { | |
2527 | if (event.xclient.message_type == Xatom_wm_protocols | |
2528 | && event.xclient.format == 32) | |
2529 | { | |
2530 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2531 | { | |
f676886a JB |
2532 | f = x_window_to_frame (event.xclient.window); |
2533 | if (f) | |
2534 | x_focus_on_frame (f); | |
ab648270 | 2535 | /* Not certain about handling scroll bars here */ |
c047688c JA |
2536 | } |
2537 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2538 | { | |
2539 | /* Save state modify the WM_COMMAND property to | |
2540 | something which can reinstate us. This notifies | |
2541 | the session manager, who's looking for such a | |
2542 | PropertyNotify. Can restart processing when | |
2543 | a keyboard or mouse event arrives. */ | |
2544 | if (numchars > 0) | |
2545 | { | |
2546 | } | |
2547 | } | |
2548 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2549 | { | |
f676886a | 2550 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2551 | |
f676886a | 2552 | if (f) |
c047688c JA |
2553 | if (numchars > 0) |
2554 | { | |
2555 | } | |
2556 | } | |
2557 | } | |
2558 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2559 | { | |
2560 | } | |
2561 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2562 | { | |
2563 | int new_x, new_y; | |
2564 | ||
4357eba7 JB |
2565 | new_x = event.xclient.data.s[0]; |
2566 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2567 | } |
2568 | } | |
2569 | break; | |
dc6f92b8 | 2570 | |
d56a553a RS |
2571 | #ifdef NEW_SELECTIONS |
2572 | case SelectionNotify: | |
2573 | x_handle_selection_notify (&event); | |
2574 | break; | |
2575 | #endif | |
2576 | ||
dc6f92b8 | 2577 | case SelectionClear: /* Someone has grabbed ownership. */ |
d56a553a RS |
2578 | #ifdef NEW_SELECTIONS |
2579 | { | |
2580 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
2581 | ||
2582 | if (numchars == 0) | |
2583 | abort (); | |
2584 | ||
2585 | bufp->kind = selection_clear_event; | |
2586 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2587 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2588 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2589 | bufp++; | |
2590 | ||
2591 | count += 1; | |
2592 | numchars -= 1; | |
2593 | } | |
2594 | #else | |
dc6f92b8 JB |
2595 | x_disown_selection (event.xselectionclear.window, |
2596 | event.xselectionclear.selection, | |
2597 | event.xselectionclear.time); | |
d56a553a | 2598 | #endif |
dc6f92b8 JB |
2599 | break; |
2600 | ||
2601 | case SelectionRequest: /* Someone wants our selection. */ | |
d56a553a RS |
2602 | #ifdef NEW_SELECTIONS |
2603 | { | |
2604 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
2605 | ||
2606 | if (numchars == 0) | |
2607 | abort (); | |
2608 | ||
2609 | bufp->kind = selection_request_event; | |
2610 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2611 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
2612 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2613 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
2614 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
2615 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2616 | bufp++; | |
2617 | ||
2618 | count += 1; | |
2619 | numchars -= 1; | |
2620 | } | |
2621 | #else | |
dc6f92b8 | 2622 | x_answer_selection_request (event); |
d56a553a | 2623 | #endif |
dc6f92b8 JB |
2624 | break; |
2625 | ||
2626 | case PropertyNotify: | |
d56a553a RS |
2627 | #ifdef NEW_SELECTIONS |
2628 | x_handle_property_notify (&event); | |
2629 | #else | |
28430d3c JB |
2630 | /* If we're being told about a root window property, then it's |
2631 | a cut buffer change. */ | |
2632 | if (event.xproperty.window == ROOT_WINDOW) | |
2633 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2634 | ||
2635 | /* Otherwise, we're probably handling an incremental | |
2636 | selection transmission. */ | |
2637 | else | |
2638 | { | |
2639 | /* If we were to do this synchronously, there'd be no worry | |
2640 | about re-selecting. */ | |
2641 | x_send_incremental (event); | |
2642 | } | |
d56a553a | 2643 | #endif |
dc6f92b8 JB |
2644 | break; |
2645 | ||
2646 | case Expose: | |
f676886a JB |
2647 | f = x_window_to_frame (event.xexpose.window); |
2648 | if (f) | |
dc6f92b8 | 2649 | { |
3a88c238 | 2650 | if (f->async_visible == 0) |
dc6f92b8 | 2651 | { |
3a88c238 JB |
2652 | f->async_visible = 1; |
2653 | f->async_iconified = 0; | |
f676886a | 2654 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2655 | } |
2656 | else | |
f451eb13 JB |
2657 | { |
2658 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2659 | event.xexpose.x, event.xexpose.y, | |
2660 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2661 | } |
2662 | } | |
2663 | else | |
2664 | { | |
ab648270 JB |
2665 | struct scroll_bar *bar |
2666 | = x_window_to_scroll_bar (event.xexpose.window); | |
f451eb13 JB |
2667 | |
2668 | if (bar) | |
ab648270 | 2669 | x_scroll_bar_expose (bar, &event); |
dc6f92b8 JB |
2670 | } |
2671 | break; | |
2672 | ||
2673 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2674 | source area was obscured or not | |
2675 | available.*/ | |
f451eb13 JB |
2676 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2677 | if (f) | |
2678 | { | |
2679 | dumprectangle (f, | |
2680 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2681 | event.xgraphicsexpose.width, | |
2682 | event.xgraphicsexpose.height); | |
f451eb13 | 2683 | } |
dc6f92b8 JB |
2684 | break; |
2685 | ||
2686 | case NoExpose: /* This occurs when an XCopyArea's | |
2687 | source area was completely | |
2688 | available */ | |
2689 | break; | |
c118dd06 | 2690 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2691 | case ExposeWindow: |
2692 | if (event.subwindow != 0) | |
2693 | break; /* duplicate event */ | |
f676886a JB |
2694 | f = x_window_to_frame (event.window); |
2695 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2696 | { |
f676886a | 2697 | refreshicon (f); |
3a88c238 | 2698 | f->async_iconified = 1; |
dc6f92b8 | 2699 | } |
c118dd06 | 2700 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2701 | { |
2702 | /* Say must check all windows' needs_exposure flags. */ | |
2703 | expose_all_windows = 1; | |
f676886a | 2704 | f->display.x->needs_exposure = 1; |
3a88c238 | 2705 | f->async_visible = 1; |
dc6f92b8 JB |
2706 | } |
2707 | break; | |
2708 | ||
2709 | case ExposeRegion: | |
2710 | if (event.subwindow != 0) | |
2711 | break; /* duplicate event */ | |
f676886a JB |
2712 | f = x_window_to_frame (event.window); |
2713 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2714 | { |
f676886a | 2715 | refreshicon (f); |
dc6f92b8 JB |
2716 | break; |
2717 | } | |
2718 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2719 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2720 | break; |
2721 | /* Put the event on the queue of rectangles to redraw. */ | |
2722 | if (enqueue_event (&event, &x_expose_queue)) | |
2723 | /* If it is full, we can't record the rectangle, | |
2724 | so redraw this entire window. */ | |
2725 | { | |
2726 | /* Say must check all windows' needs_exposure flags. */ | |
2727 | expose_all_windows = 1; | |
f676886a | 2728 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2729 | } |
2730 | break; | |
2731 | ||
2732 | case ExposeCopy: | |
2733 | /* This should happen only when we are expecting it, | |
2734 | in x_read_exposes. */ | |
2735 | abort (); | |
c118dd06 | 2736 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2737 | |
2738 | #ifdef HAVE_X11 | |
2739 | case UnmapNotify: | |
f451eb13 JB |
2740 | f = x_window_to_frame (event.xunmap.window); |
2741 | if (f) /* F may no longer exist if | |
f676886a | 2742 | the frame was deleted. */ |
f451eb13 JB |
2743 | { |
2744 | /* While a frame is unmapped, display generation is | |
2745 | disabled; you don't want to spend time updating a | |
2746 | display that won't ever be seen. */ | |
2747 | f->async_visible = 0; | |
2748 | } | |
dc6f92b8 JB |
2749 | break; |
2750 | ||
2751 | case MapNotify: | |
f676886a JB |
2752 | f = x_window_to_frame (event.xmap.window); |
2753 | if (f) | |
dc6f92b8 | 2754 | { |
3a88c238 JB |
2755 | f->async_visible = 1; |
2756 | f->async_iconified = 0; | |
dc6f92b8 JB |
2757 | |
2758 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2759 | the frame's display structures. */ |
2760 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2761 | } |
2762 | break; | |
2763 | ||
2764 | /* Turn off processing if we become fully obscured. */ | |
2765 | case VisibilityNotify: | |
2766 | break; | |
2767 | ||
c118dd06 | 2768 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2769 | case UnmapWindow: |
f676886a JB |
2770 | f = x_window_to_frame (event.window); |
2771 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2772 | f->async_iconified = 0; |
c118dd06 | 2773 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2774 | f->async_visible = 0; |
dc6f92b8 | 2775 | break; |
c118dd06 | 2776 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2777 | |
2778 | #ifdef HAVE_X11 | |
2779 | case KeyPress: | |
f676886a | 2780 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2781 | |
f676886a | 2782 | if (f != 0) |
dc6f92b8 JB |
2783 | { |
2784 | KeySym keysym; | |
dc6f92b8 | 2785 | char copy_buffer[80]; |
64bb1782 RS |
2786 | int modifiers; |
2787 | ||
2788 | event.xkey.state |= extra_keyboard_modifiers; | |
2789 | modifiers = event.xkey.state; | |
3a2712f9 JB |
2790 | |
2791 | /* Some keyboards generate different characters | |
2792 | depending on the state of the meta key, in an attempt | |
2793 | to support non-English typists. It would be nice to | |
2794 | keep this functionality somehow, but for now, we will | |
2795 | just clear the meta-key flag to get the 'pure' character. */ | |
2796 | event.xkey.state &= ~Mod1Mask; | |
dc6f92b8 | 2797 | |
11edeb03 JB |
2798 | /* This will have to go some day... */ |
2799 | nbytes = | |
2800 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2801 | &compose_status); | |
dc6f92b8 | 2802 | |
55123275 JB |
2803 | /* Strip off the vendor-specific keysym bit, and take a shot |
2804 | at recognizing the codes. HP servers have extra keysyms | |
2805 | that fit into the MiscFunctionKey category. */ | |
2806 | keysym &= ~(1<<28); | |
2807 | ||
dc6f92b8 JB |
2808 | if (numchars > 1) |
2809 | { | |
a3c44b14 RS |
2810 | if ((keysym >= XK_BackSpace && keysym <= XK_Escape) |
2811 | || keysym == XK_Delete | |
2812 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
55123275 JB |
2813 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < 0xff80 */ |
2814 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ | |
2815 | || IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */ | |
dc6f92b8 | 2816 | { |
10e6549c RS |
2817 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2818 | temp_index = 0; | |
2819 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 2820 | bufp->kind = non_ascii_keystroke; |
a3c44b14 | 2821 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff00); |
12ba150f | 2822 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
3a2712f9 | 2823 | bufp->modifiers = x_convert_modifiers (modifiers); |
1113d9db | 2824 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2825 | bufp++; |
2826 | count++; | |
2827 | numchars--; | |
2828 | } | |
2829 | else if (numchars > nbytes) | |
2830 | { | |
2831 | register int i; | |
2832 | ||
10e6549c | 2833 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 2834 | { |
10e6549c RS |
2835 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2836 | temp_index = 0; | |
2837 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 2838 | bufp->kind = ascii_keystroke; |
10e6549c | 2839 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); |
12ba150f | 2840 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
80ec1ba2 | 2841 | bufp->modifiers = x_convert_modifiers (modifiers); |
1113d9db | 2842 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2843 | bufp++; |
2844 | } | |
dc6f92b8 JB |
2845 | |
2846 | count += nbytes; | |
2847 | numchars -= nbytes; | |
2848 | } | |
10e6549c RS |
2849 | else |
2850 | abort (); | |
dc6f92b8 | 2851 | } |
10e6549c RS |
2852 | else |
2853 | abort (); | |
dc6f92b8 JB |
2854 | } |
2855 | break; | |
c118dd06 | 2856 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2857 | case KeyPressed: |
2858 | { | |
2859 | register char *where_mapping; | |
2860 | ||
f676886a | 2861 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2862 | /* Ignore keys typed on icon windows. */ |
f676886a | 2863 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2864 | break; |
2865 | where_mapping = XLookupMapping (&event, &nbytes); | |
2866 | /* Nasty fix for arrow keys */ | |
2867 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2868 | { | |
2869 | switch (event.detail & 0xff) | |
2870 | { | |
2871 | case KC_CURSOR_LEFT: | |
2872 | where_mapping = "\002"; | |
2873 | break; | |
2874 | case KC_CURSOR_RIGHT: | |
2875 | where_mapping = "\006"; | |
2876 | break; | |
2877 | case KC_CURSOR_UP: | |
2878 | where_mapping = "\020"; | |
2879 | break; | |
2880 | case KC_CURSOR_DOWN: | |
2881 | where_mapping = "\016"; | |
2882 | break; | |
2883 | } | |
2884 | nbytes = 1; | |
2885 | } | |
2886 | if (numchars - nbytes > 0) | |
2887 | { | |
2888 | register int i; | |
2889 | ||
2890 | for (i = 0; i < nbytes; i++) | |
2891 | { | |
2892 | bufp->kind = ascii_keystroke; | |
2893 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2894 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 2895 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
2896 | bufp++; |
2897 | } | |
2898 | count += nbytes; | |
2899 | numchars -= nbytes; | |
2900 | } | |
2901 | } | |
2902 | break; | |
c118dd06 | 2903 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2904 | |
2905 | #ifdef HAVE_X11 | |
f451eb13 JB |
2906 | |
2907 | /* Here's a possible interpretation of the whole | |
2908 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
2909 | FocusIn event, you have to get a FocusOut event before you | |
2910 | relinquish the focus. If you haven't received a FocusIn event, | |
2911 | then a mere LeaveNotify is enough to free you. */ | |
2912 | ||
dc6f92b8 | 2913 | case EnterNotify: |
f676886a | 2914 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 2915 | |
f451eb13 | 2916 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 2917 | { |
dc6f92b8 | 2918 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
2919 | if (f && (!(f->auto_raise) |
2920 | || !(f->auto_lower) | |
dc6f92b8 JB |
2921 | || (event.xcrossing.time - enter_timestamp) > 500)) |
2922 | { | |
f676886a | 2923 | x_new_focus_frame (f); |
dc6f92b8 JB |
2924 | enter_timestamp = event.xcrossing.time; |
2925 | } | |
dc6f92b8 | 2926 | } |
f676886a JB |
2927 | else if (f == x_focus_frame) |
2928 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2929 | |
2930 | break; | |
2931 | ||
2932 | case FocusIn: | |
f676886a | 2933 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2934 | if (event.xfocus.detail != NotifyPointer) |
2935 | x_focus_event_frame = f; | |
f676886a JB |
2936 | if (f) |
2937 | x_new_focus_frame (f); | |
dc6f92b8 JB |
2938 | break; |
2939 | ||
f451eb13 | 2940 | |
dc6f92b8 | 2941 | case LeaveNotify: |
f451eb13 | 2942 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 2943 | |
f451eb13 JB |
2944 | if (event.xcrossing.focus) |
2945 | { | |
2946 | if (! x_focus_event_frame) | |
2947 | x_new_focus_frame (0); | |
2948 | else | |
f676886a | 2949 | x_new_focus_frame (f); |
f451eb13 JB |
2950 | } |
2951 | else | |
2952 | { | |
2953 | if (f == x_focus_event_frame) | |
2954 | x_focus_event_frame = 0; | |
2955 | if (f == x_focus_frame) | |
f676886a | 2956 | x_new_focus_frame (0); |
dc6f92b8 JB |
2957 | } |
2958 | break; | |
2959 | ||
2960 | case FocusOut: | |
f676886a | 2961 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2962 | if (event.xfocus.detail != NotifyPointer |
2963 | && f == x_focus_event_frame) | |
2964 | x_focus_event_frame = 0; | |
f676886a JB |
2965 | if (f && f == x_focus_frame) |
2966 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2967 | break; |
2968 | ||
c118dd06 | 2969 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2970 | |
2971 | case EnterWindow: | |
2972 | if ((event.detail & 0xFF) == 1) | |
2973 | break; /* Coming from our own subwindow */ | |
2974 | if (event.subwindow != 0) | |
2975 | break; /* Entering our own subwindow. */ | |
2976 | ||
2977 | { | |
f676886a JB |
2978 | f = x_window_to_frame (event.window); |
2979 | x_mouse_frame = f; | |
dc6f92b8 | 2980 | |
f676886a | 2981 | x_new_focus_frame (f); |
dc6f92b8 JB |
2982 | } |
2983 | break; | |
2984 | ||
2985 | case LeaveWindow: | |
2986 | if ((event.detail & 0xFF) == 1) | |
2987 | break; /* Entering our own subwindow */ | |
2988 | if (event.subwindow != 0) | |
2989 | break; /* Leaving our own subwindow. */ | |
2990 | ||
f676886a JB |
2991 | x_mouse_frame = 0; |
2992 | if (x_focus_frame == 0 | |
2993 | && x_input_frame != 0 | |
2994 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 2995 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 2996 | { |
f676886a JB |
2997 | f = x_input_frame; |
2998 | x_input_frame = 0; | |
2999 | if (f) | |
3000 | frame_unhighlight (f); | |
dc6f92b8 JB |
3001 | } |
3002 | break; | |
c118dd06 | 3003 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3004 | |
3005 | #ifdef HAVE_X11 | |
3006 | case MotionNotify: | |
3007 | { | |
f676886a JB |
3008 | f = x_window_to_frame (event.xmotion.window); |
3009 | if (f) | |
12ba150f | 3010 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 3011 | else |
dc6f92b8 | 3012 | { |
ab648270 JB |
3013 | struct scroll_bar *bar = |
3014 | x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3015 | |
3016 | if (bar) | |
ab648270 | 3017 | x_scroll_bar_note_movement (bar, &event); |
dc6f92b8 | 3018 | } |
dc6f92b8 JB |
3019 | } |
3020 | break; | |
3021 | ||
3022 | case ConfigureNotify: | |
dbc4e1c1 JB |
3023 | f = x_window_to_frame (event.xconfigure.window); |
3024 | if (f) | |
3025 | { | |
3026 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3027 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3028 | ||
3029 | /* Even if the number of character rows and columns has | |
3030 | not changed, the font size may have changed, so we need | |
3031 | to check the pixel dimensions as well. */ | |
3032 | if (columns != f->width | |
3033 | || rows != f->height | |
3034 | || event.xconfigure.width != f->display.x->pixel_width | |
3035 | || event.xconfigure.height != f->display.x->pixel_height) | |
3036 | { | |
3037 | change_frame_size (f, rows, columns, 0, 1); | |
3038 | SET_FRAME_GARBAGED (f); | |
3039 | } | |
dc6f92b8 | 3040 | |
dbc4e1c1 JB |
3041 | f->display.x->pixel_width = event.xconfigure.width; |
3042 | f->display.x->pixel_height = event.xconfigure.height; | |
3043 | f->display.x->left_pos = event.xconfigure.x; | |
3044 | f->display.x->top_pos = event.xconfigure.y; | |
3045 | } | |
3046 | break; | |
dc6f92b8 JB |
3047 | |
3048 | case ButtonPress: | |
3049 | case ButtonRelease: | |
3050 | { | |
3051 | /* If we decide we want to generate an event to be seen | |
3052 | by the rest of Emacs, we put it here. */ | |
3053 | struct input_event emacs_event; | |
3054 | emacs_event.kind = no_event; | |
3055 | ||
f676886a JB |
3056 | f = x_window_to_frame (event.xbutton.window); |
3057 | if (f) | |
f451eb13 JB |
3058 | { |
3059 | if (!x_focus_frame || (f == x_focus_frame)) | |
3060 | construct_mouse_click (&emacs_event, | |
b10fd412 | 3061 | &event, f); |
f451eb13 | 3062 | } |
dc6f92b8 | 3063 | else |
f451eb13 | 3064 | { |
ab648270 JB |
3065 | struct scroll_bar *bar = |
3066 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3067 | |
3068 | if (bar) | |
ab648270 | 3069 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
f451eb13 | 3070 | } |
dc6f92b8 JB |
3071 | |
3072 | if (numchars >= 1 && emacs_event.kind != no_event) | |
3073 | { | |
3074 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3075 | bufp++; | |
3076 | count++; | |
3077 | numchars--; | |
3078 | } | |
3079 | } | |
3080 | break; | |
3081 | ||
c118dd06 | 3082 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3083 | case ButtonPressed: |
3084 | case ButtonReleased: | |
f676886a JB |
3085 | f = x_window_to_frame (event.window); |
3086 | if (f) | |
dc6f92b8 | 3087 | { |
f676886a | 3088 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 3089 | { |
f676886a | 3090 | x_make_frame_visible (f); |
dc6f92b8 JB |
3091 | |
3092 | if (warp_mouse_on_deiconify) | |
c118dd06 | 3093 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
3094 | break; |
3095 | } | |
c118dd06 | 3096 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 3097 | { |
f676886a JB |
3098 | if (f->auto_raise) |
3099 | x_raise_frame (f); | |
dc6f92b8 JB |
3100 | } |
3101 | } | |
3102 | enqueue_event (&event, &x_mouse_queue); | |
3103 | if (numchars >= 2) | |
3104 | { | |
3105 | bufp->kind = ascii_keystroke; | |
3106 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 3107 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3108 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3109 | bufp++; |
3110 | ||
3111 | bufp->kind = ascii_keystroke; | |
3112 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 3113 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3114 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3115 | bufp++; |
3116 | ||
3117 | count += 2; | |
3118 | numchars -= 2; | |
3119 | } | |
3120 | break; | |
c118dd06 | 3121 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3122 | |
3123 | #ifdef HAVE_X11 | |
3124 | ||
3125 | case CirculateNotify: | |
3126 | break; | |
3127 | case CirculateRequest: | |
3128 | break; | |
3129 | ||
c118dd06 | 3130 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3131 | |
3132 | case MappingNotify: | |
11edeb03 JB |
3133 | /* Someone has changed the keyboard mapping - update the |
3134 | local cache. */ | |
3135 | switch (event.xmapping.request) | |
3136 | { | |
3137 | case MappingModifier: | |
3138 | x_find_modifier_meanings (); | |
3139 | /* This is meant to fall through. */ | |
3140 | case MappingKeyboard: | |
3141 | XRefreshKeyboardMapping (&event.xmapping); | |
3142 | } | |
dc6f92b8 JB |
3143 | break; |
3144 | ||
3145 | default: | |
3146 | break; | |
3147 | } | |
3148 | } | |
3149 | ||
3150 | #if 0 | |
3151 | #ifdef HAVE_SELECT | |
3152 | if (expected && ! event_found) | |
3153 | { | |
3154 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3155 | there is an EOF condition; in other words, that X has died. | |
3156 | Act as if there had been a hangup. */ | |
3157 | ||
3158 | int fd = ConnectionNumber (x_current_display); | |
3159 | int mask = 1 << fd; | |
3160 | ||
3161 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 3162 | (EMACS_TIME) 0) |
dc6f92b8 JB |
3163 | && !XStuffPending ()) |
3164 | kill (getpid (), SIGHUP); | |
3165 | } | |
c118dd06 JB |
3166 | #endif /* ! defined (HAVE_SELECT) */ |
3167 | #endif /* ! 0 */ | |
dc6f92b8 | 3168 | |
f451eb13 | 3169 | #ifndef HAVE_X11 |
f676886a | 3170 | if (updating_frame == 0) |
dc6f92b8 | 3171 | x_do_pending_expose (); |
f451eb13 | 3172 | #endif |
dc6f92b8 JB |
3173 | |
3174 | UNBLOCK_INPUT; | |
3175 | return count; | |
3176 | } | |
3177 | ||
3178 | #ifndef HAVE_X11 | |
3179 | /* Read and process only Expose events | |
3180 | until we get an ExposeCopy event; then return. | |
3181 | This is used in insert/delete line. | |
3182 | We assume input is already blocked. */ | |
3183 | ||
3184 | static void | |
3185 | x_read_exposes () | |
3186 | { | |
f676886a | 3187 | struct frame *f; |
dc6f92b8 JB |
3188 | XKeyPressedEvent event; |
3189 | ||
3190 | while (1) | |
3191 | { | |
3192 | /* while there are more events*/ | |
3193 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3194 | switch (event.type) | |
3195 | { | |
3196 | case ExposeWindow: | |
3197 | if (event.subwindow != 0) | |
3198 | break; /* duplicate event */ | |
f676886a JB |
3199 | f = x_window_to_frame (event.window); |
3200 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3201 | { |
f676886a | 3202 | refreshicon (f); |
dc6f92b8 JB |
3203 | break; |
3204 | } | |
c118dd06 | 3205 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3206 | { |
3207 | expose_all_windows = 1; | |
f676886a | 3208 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3209 | break; |
3210 | } | |
3211 | break; | |
3212 | ||
3213 | case ExposeRegion: | |
3214 | if (event.subwindow != 0) | |
3215 | break; /* duplicate event */ | |
f676886a JB |
3216 | f = x_window_to_frame (event.window); |
3217 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3218 | { |
f676886a | 3219 | refreshicon (f); |
dc6f92b8 JB |
3220 | break; |
3221 | } | |
3222 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3223 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3224 | break; |
3225 | /* Put the event on the queue of rectangles to redraw. */ | |
3226 | if (enqueue_event (&event, &x_expose_queue)) | |
3227 | /* If it is full, we can't record the rectangle, | |
3228 | so redraw this entire window. */ | |
3229 | { | |
3230 | /* Say must check all windows' needs_exposure flags. */ | |
3231 | expose_all_windows = 1; | |
f676886a | 3232 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3233 | } |
3234 | break; | |
3235 | ||
3236 | case ExposeCopy: | |
3237 | return; | |
3238 | } | |
3239 | } | |
3240 | } | |
3241 | #endif /* HAVE_X11 */ | |
3242 | ||
dc6f92b8 | 3243 | \f |
f451eb13 JB |
3244 | /* Drawing the cursor. */ |
3245 | ||
3246 | ||
dc6f92b8 JB |
3247 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3248 | ||
3249 | static void | |
f676886a JB |
3250 | x_draw_box (f) |
3251 | struct frame *f; | |
dc6f92b8 | 3252 | { |
12ba150f JB |
3253 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3254 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3255 | int width = FONT_WIDTH (f->display.x->font); |
3256 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3257 | |
3258 | #ifdef HAVE_X11 | |
c118dd06 | 3259 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3260 | f->display.x->cursor_gc, |
dc6f92b8 | 3261 | left, top, width - 1, height - 1); |
c118dd06 JB |
3262 | #else /* ! defined (HAVE_X11) */ |
3263 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3264 | left, top, width, 1, |
f676886a | 3265 | f->display.x->cursor_pixel); |
dc6f92b8 | 3266 | |
c118dd06 | 3267 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3268 | left, top, 1, height, |
f676886a | 3269 | f->display.x->cursor_pixel); |
dc6f92b8 | 3270 | |
c118dd06 | 3271 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3272 | left+width-1, top, 1, height, |
f676886a | 3273 | f->display.x->cursor_pixel); |
dc6f92b8 | 3274 | |
c118dd06 | 3275 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3276 | left, top+height-1, width, 1, |
f676886a | 3277 | f->display.x->cursor_pixel); |
c118dd06 | 3278 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3279 | } |
3280 | ||
f676886a | 3281 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3282 | and mark the cursor as not shown. |
3283 | This is used when the text where the cursor is | |
3284 | is about to be rewritten. */ | |
3285 | ||
3286 | static void | |
f676886a JB |
3287 | clear_cursor (f) |
3288 | struct frame *f; | |
dc6f92b8 JB |
3289 | { |
3290 | int mask; | |
3291 | ||
f451eb13 | 3292 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3293 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3294 | return; |
3295 | ||
3296 | #ifdef HAVE_X11 | |
f676886a | 3297 | x_display_cursor (f, 0); |
c118dd06 JB |
3298 | #else /* ! defined (HAVE_X11) */ |
3299 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3300 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3301 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3302 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3303 | f->display.x->background_pixel); | |
c118dd06 | 3304 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3305 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3306 | } |
3307 | ||
f676886a | 3308 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3309 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3310 | glyph drawn. */ | |
dc6f92b8 JB |
3311 | |
3312 | static void | |
f676886a JB |
3313 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3314 | struct frame *f; | |
dc6f92b8 | 3315 | int row, column; |
90e65f07 | 3316 | GLYPH glyph; |
dc6f92b8 JB |
3317 | int highlight; |
3318 | { | |
f676886a | 3319 | dumpglyphs (f, |
12ba150f JB |
3320 | CHAR_TO_PIXEL_COL (f, column), |
3321 | CHAR_TO_PIXEL_ROW (f, row), | |
f676886a | 3322 | &glyph, 1, highlight, f->display.x->font); |
dc6f92b8 JB |
3323 | } |
3324 | ||
dc6f92b8 | 3325 | static void |
dbc4e1c1 | 3326 | x_display_bar_cursor (f, on) |
f676886a | 3327 | struct frame *f; |
dc6f92b8 JB |
3328 | int on; |
3329 | { | |
f676886a | 3330 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3331 | |
49d838ea JB |
3332 | /* This is pointless on invisible frames, and dangerous on garbaged |
3333 | frames; in the latter case, the frame may be in the midst of | |
3334 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3335 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
3336 | return; |
3337 | ||
3338 | if (! on && f->phys_cursor_x < 0) | |
3339 | return; | |
3340 | ||
f676886a | 3341 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3342 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3343 | if (f != updating_frame) |
1113d9db | 3344 | { |
f676886a JB |
3345 | curs_x = FRAME_CURSOR_X (f); |
3346 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3347 | } |
3348 | ||
dbc4e1c1 JB |
3349 | /* If there is anything wrong with the current cursor state, remove it. */ |
3350 | if (f->phys_cursor_x >= 0 | |
3351 | && (!on | |
3352 | || f->phys_cursor_x != curs_x | |
3353 | || f->phys_cursor_y != curs_y | |
3354 | || f->display.x->current_cursor != bar_cursor)) | |
3355 | { | |
3356 | /* Erase the cursor by redrawing the character underneath it. */ | |
3357 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3358 | f->phys_cursor_glyph, | |
3359 | current_glyphs->highlight[f->phys_cursor_y]); | |
3360 | f->phys_cursor_x = -1; | |
3361 | } | |
3362 | ||
3363 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3364 | if (on | |
3365 | && (f->phys_cursor_x < 0 | |
3366 | || (f->display.x->current_cursor != bar_cursor))) | |
3367 | { | |
3368 | f->phys_cursor_glyph | |
3369 | = ((current_glyphs->enable[curs_y] | |
3370 | && curs_x < current_glyphs->used[curs_y]) | |
3371 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3372 | : SPACEGLYPH); | |
3373 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3374 | f->display.x->cursor_gc, | |
3375 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3376 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3377 | 1, FONT_HEIGHT (f->display.x->font)); | |
3378 | ||
3379 | f->phys_cursor_x = curs_x; | |
3380 | f->phys_cursor_y = curs_y; | |
3381 | ||
3382 | f->display.x->current_cursor = bar_cursor; | |
3383 | } | |
3384 | ||
3385 | if (updating_frame != f) | |
3386 | XFlushQueue (); | |
3387 | } | |
3388 | ||
3389 | ||
3390 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3391 | If ON is nonzero, where to put the cursor is specified | |
3392 | by F->cursor_x and F->cursor_y. */ | |
3393 | ||
3394 | static void | |
3395 | x_display_box_cursor (f, on) | |
3396 | struct frame *f; | |
3397 | int on; | |
3398 | { | |
3399 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3400 | ||
49d838ea JB |
3401 | /* This is pointless on invisible frames, and dangerous on garbaged |
3402 | frames; in the latter case, the frame may be in the midst of | |
3403 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3404 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
3405 | return; |
3406 | ||
3407 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3408 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3409 | return; |
3410 | ||
dbc4e1c1 JB |
3411 | /* If we're not updating, then we want to use the current frame's |
3412 | cursor position, not our local idea of where the cursor ought to be. */ | |
3413 | if (f != updating_frame) | |
3414 | { | |
3415 | curs_x = FRAME_CURSOR_X (f); | |
3416 | curs_y = FRAME_CURSOR_Y (f); | |
3417 | } | |
3418 | ||
dc6f92b8 JB |
3419 | /* If cursor is currently being shown and we don't want it to be |
3420 | or it is in the wrong place, | |
3421 | or we want a hollow box and it's not so, (pout!) | |
3422 | erase it. */ | |
f676886a | 3423 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3424 | && (!on |
f676886a JB |
3425 | || f->phys_cursor_x != curs_x |
3426 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3427 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3428 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3429 | { |
3430 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3431 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3432 | f->phys_cursor_glyph, | |
3433 | current_glyphs->highlight[f->phys_cursor_y]); | |
3434 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3435 | } |
3436 | ||
3437 | /* If we want to show a cursor, | |
3438 | or we want a box cursor and it's not so, | |
3439 | write it in the right place. */ | |
3440 | if (on | |
f676886a | 3441 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3442 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3443 | && f == x_highlight_frame))) |
dc6f92b8 | 3444 | { |
f676886a | 3445 | f->phys_cursor_glyph |
1113d9db JB |
3446 | = ((current_glyphs->enable[curs_y] |
3447 | && curs_x < current_glyphs->used[curs_y]) | |
3448 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3449 | : SPACEGLYPH); |
f676886a | 3450 | if (f != x_highlight_frame) |
dc6f92b8 | 3451 | { |
f676886a | 3452 | x_draw_box (f); |
dbc4e1c1 | 3453 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3454 | } |
3455 | else | |
3456 | { | |
f676886a JB |
3457 | x_draw_single_glyph (f, curs_y, curs_x, |
3458 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3459 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3460 | } |
3461 | ||
f676886a JB |
3462 | f->phys_cursor_x = curs_x; |
3463 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3464 | } |
3465 | ||
f676886a | 3466 | if (updating_frame != f) |
dc6f92b8 JB |
3467 | XFlushQueue (); |
3468 | } | |
3469 | ||
f676886a JB |
3470 | x_display_cursor (f, on) |
3471 | struct frame *f; | |
dc6f92b8 JB |
3472 | int on; |
3473 | { | |
dbc4e1c1 | 3474 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3475 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3476 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3477 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3478 | else |
3479 | /* Those are the only two we have implemented! */ | |
3480 | abort (); | |
dc6f92b8 JB |
3481 | } |
3482 | \f | |
3483 | /* Icons. */ | |
3484 | ||
f676886a | 3485 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3486 | when we get an expose event for it. */ |
3487 | ||
f676886a JB |
3488 | refreshicon (f) |
3489 | struct frame *f; | |
dc6f92b8 JB |
3490 | { |
3491 | #ifdef HAVE_X11 | |
3492 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3493 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3494 | int mask; |
3495 | ||
f676886a JB |
3496 | if (f->display.x->icon_bitmap_flag) |
3497 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3498 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3499 | icon_bitmap, GXcopy, AllPlanes); | |
3500 | else | |
3501 | { | |
f676886a | 3502 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3503 | struct Lisp_String *str; |
3504 | unsigned char *string; | |
3505 | ||
3506 | string | |
f676886a | 3507 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3508 | |
f676886a | 3509 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3510 | { |
f676886a JB |
3511 | f->display.x->icon_label = string; |
3512 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3513 | XQueryWidth (string, icon_font_info->id) + 10, |
3514 | icon_font_info->height + 10); | |
3515 | } | |
3516 | ||
f676886a | 3517 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3518 | str->size, icon_font_info->id, |
3519 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3520 | } | |
3521 | XFlushQueue (); | |
c118dd06 | 3522 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3523 | } |
3524 | ||
dbc4e1c1 | 3525 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
3526 | |
3527 | int | |
f676886a JB |
3528 | x_bitmap_icon (f) |
3529 | struct frame *f; | |
dc6f92b8 JB |
3530 | { |
3531 | int mask; | |
3532 | Window icon_window; | |
3533 | ||
c118dd06 | 3534 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3535 | return 1; |
3536 | ||
3537 | #ifdef HAVE_X11 | |
3538 | if (icon_bitmap) | |
3539 | XFreePixmap (x_current_display, icon_bitmap); | |
3540 | ||
3541 | icon_bitmap = | |
c118dd06 | 3542 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3543 | gnu_bits, gnu_width, gnu_height); |
f676886a JB |
3544 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3545 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3546 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3547 | if (f->display.x->icon_desc) |
dc6f92b8 | 3548 | { |
c118dd06 | 3549 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3550 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3551 | } |
3552 | ||
f676886a | 3553 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3554 | 0, 0, sink_width, sink_height, |
3555 | 2, WhitePixmap, (Pixmap) NULL); | |
3556 | ||
3557 | if (icon_window == 0) | |
3558 | return 1; | |
3559 | ||
c118dd06 | 3560 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3561 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3562 | ||
f676886a JB |
3563 | f->display.x->icon_desc = icon_window; |
3564 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3565 | |
3566 | if (icon_bitmap == 0) | |
3567 | icon_bitmap | |
3568 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3569 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3570 | |
3571 | return 0; | |
3572 | } | |
3573 | ||
3574 | ||
f676886a | 3575 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3576 | |
3577 | int | |
f676886a JB |
3578 | x_text_icon (f, icon_name) |
3579 | struct frame *f; | |
dc6f92b8 JB |
3580 | char *icon_name; |
3581 | { | |
3582 | #ifndef HAVE_X11 | |
3583 | int mask; | |
3584 | int width; | |
3585 | Window icon_window; | |
3586 | char *X_DefaultValue; | |
3587 | Bitmap b1; | |
3588 | ||
dc6f92b8 JB |
3589 | #ifndef WhitePixel |
3590 | #define WhitePixel 1 | |
c118dd06 | 3591 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3592 | |
3593 | #ifndef BlackPixel | |
3594 | #define BlackPixel 0 | |
c118dd06 JB |
3595 | #endif /* BlackPixel */ |
3596 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3597 | |
c118dd06 | 3598 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3599 | return 1; |
3600 | ||
dc6f92b8 JB |
3601 | #ifdef HAVE_X11 |
3602 | if (icon_name) | |
f676886a | 3603 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3604 | else |
f676886a JB |
3605 | if (! f->display.x->icon_label) |
3606 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3607 | |
c118dd06 | 3608 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3609 | (char *) f->display.x->icon_label); |
dc6f92b8 | 3610 | |
f676886a | 3611 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3612 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3613 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
3614 | if (icon_font_info == 0) |
3615 | icon_font_info | |
3616 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 3617 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
3618 | "BodyFont")); |
3619 | ||
f676886a | 3620 | if (f->display.x->icon_desc) |
dc6f92b8 | 3621 | { |
c118dd06 | 3622 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3623 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3624 | } |
3625 | ||
3626 | if (icon_name) | |
f676886a | 3627 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3628 | else |
f676886a JB |
3629 | if (! f->display.x->icon_label) |
3630 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3631 | |
f676886a JB |
3632 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3633 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3634 | f->display.x->left_pos, | |
3635 | f->display.x->top_pos, | |
dc6f92b8 JB |
3636 | width + 10, icon_font_info->height + 10, |
3637 | 2, BlackPixmap, WhitePixmap); | |
3638 | ||
3639 | if (icon_window == 0) | |
3640 | return 1; | |
3641 | ||
c118dd06 | 3642 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3643 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3644 | ||
f676886a JB |
3645 | f->display.x->icon_desc = icon_window; |
3646 | f->display.x->icon_bitmap_flag = 0; | |
3647 | f->display.x->icon_label = 0; | |
c118dd06 | 3648 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3649 | |
3650 | return 0; | |
3651 | } | |
3652 | \f | |
4746118a JB |
3653 | /* Handling X errors. */ |
3654 | ||
12ba150f JB |
3655 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3656 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3657 | |
4746118a | 3658 | static SIGTYPE |
c118dd06 | 3659 | x_connection_closed () |
4746118a JB |
3660 | { |
3661 | if (_Xdebug) | |
3662 | abort (); | |
12ba150f JB |
3663 | |
3664 | shut_down_emacs (0); | |
3665 | ||
3666 | exit (70); | |
4746118a JB |
3667 | } |
3668 | ||
8922af5f JB |
3669 | /* An X error handler which prints an error message and then kills |
3670 | Emacs. This is what's normally installed as Xlib's handler for | |
3671 | protocol errors. */ | |
c118dd06 JB |
3672 | static int |
3673 | x_error_quitter (display, error) | |
3674 | Display *display; | |
3675 | XErrorEvent *error; | |
3676 | { | |
3677 | char buf[256]; | |
dc6f92b8 | 3678 | |
c118dd06 JB |
3679 | /* Note that there is no real way portable across R3/R4 to get the |
3680 | original error handler. */ | |
dc6f92b8 | 3681 | |
c118dd06 JB |
3682 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3683 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3684 | buf, error->request_code); | |
dc6f92b8 | 3685 | |
12ba150f JB |
3686 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3687 | get an X error, so we can figure out why it happened. */ | |
3688 | abort (); | |
3689 | ||
c118dd06 | 3690 | x_connection_closed (); |
dc6f92b8 JB |
3691 | } |
3692 | ||
8922af5f JB |
3693 | /* A handler for X IO errors which prints an error message and then |
3694 | kills Emacs. This is what is always installed as Xlib's handler | |
3695 | for I/O errors. */ | |
3696 | static int | |
3697 | x_io_error_quitter (display) | |
3698 | Display *display; | |
3699 | { | |
3700 | fprintf (stderr, "Connection to X server %s lost.\n", | |
3701 | XDisplayName (DisplayString (display))); | |
3702 | ||
3703 | /* While we're testing Emacs 19, we'll just dump core whenever we | |
3704 | get an X error, so we can figure out why it happened. */ | |
3705 | abort (); | |
3706 | ||
3707 | x_connection_closed (); | |
3708 | } | |
3709 | ||
c118dd06 JB |
3710 | /* A buffer for storing X error messages. */ |
3711 | static char (*x_caught_error_message)[200]; | |
3712 | ||
3713 | /* An X error handler which stores the error message in | |
3714 | x_caught_error_message. This is what's installed when | |
3715 | x_catch_errors is in effect. */ | |
3716 | static int | |
3717 | x_error_catcher (display, error) | |
3718 | Display *display; | |
3719 | XErrorEvent *error; | |
3720 | { | |
3721 | XGetErrorText (display, error->error_code, | |
3722 | *x_caught_error_message, sizeof (*x_caught_error_message)); | |
3723 | } | |
3724 | ||
3725 | ||
3726 | /* Begin trapping X errors. | |
dc6f92b8 | 3727 | |
c118dd06 JB |
3728 | After calling this function, X protocol errors no longer cause |
3729 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3730 | |
c118dd06 JB |
3731 | Calling x_check_errors signals an Emacs error if an X error has |
3732 | occurred since the last call to x_catch_errors or x_check_errors. | |
3733 | ||
3734 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3735 | ||
3736 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3737 | ||
3738 | void | |
3739 | x_catch_errors () | |
dc6f92b8 | 3740 | { |
c118dd06 JB |
3741 | /* Make sure any errors from previous requests have been dealt with. */ |
3742 | XSync (x_current_display, False); | |
dc6f92b8 | 3743 | |
c118dd06 JB |
3744 | /* Set up the error buffer. */ |
3745 | x_caught_error_message = | |
3746 | (char (*)[]) xmalloc (sizeof (*x_caught_error_message)); | |
d872b748 | 3747 | (*x_caught_error_message)[0] = '\0'; |
16bd92ea | 3748 | |
c118dd06 JB |
3749 | /* Install our little error handler. */ |
3750 | XHandleError (x_error_catcher); | |
3751 | } | |
16bd92ea | 3752 | |
c118dd06 JB |
3753 | /* If any X protocol errors have arrived since the last call to |
3754 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3755 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3756 | void | |
3757 | x_check_errors (format) | |
3758 | char *format; | |
3759 | { | |
3760 | /* Make sure to catch any errors incurred so far. */ | |
3761 | XSync (x_current_display, False); | |
16bd92ea | 3762 | |
c118dd06 JB |
3763 | if ((*x_caught_error_message)[0]) |
3764 | { | |
3765 | char buf[256]; | |
3766 | ||
3767 | sprintf (buf, format, *x_caught_error_message); | |
3768 | free (x_caught_error_message); | |
dc6f92b8 | 3769 | |
c118dd06 JB |
3770 | x_uncatch_errors (); |
3771 | error (buf); | |
3772 | } | |
3773 | } | |
3774 | ||
3775 | void | |
3776 | x_uncatch_errors () | |
3777 | { | |
3778 | free (x_caught_error_message); | |
3779 | XHandleError (x_error_quitter); | |
dc6f92b8 JB |
3780 | } |
3781 | ||
dc6f92b8 JB |
3782 | #if 0 |
3783 | static unsigned int x_wire_count; | |
3784 | x_trace_wire () | |
3785 | { | |
3786 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3787 | } | |
c118dd06 | 3788 | #endif /* ! 0 */ |
dc6f92b8 JB |
3789 | |
3790 | \f | |
f451eb13 JB |
3791 | /* Changing the font of the frame. */ |
3792 | ||
f676886a | 3793 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3794 | to the font named NEWNAME. This is safe to use |
f676886a | 3795 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3796 | |
3797 | #ifdef HAVE_X11 | |
3798 | ||
3799 | /* A table of all the fonts we have already loaded. */ | |
3800 | static XFontStruct **x_font_table; | |
3801 | ||
3802 | /* The current capacity of x_font_table. */ | |
3803 | static int x_font_table_size; | |
3804 | ||
3805 | /* The number of fonts actually stored in x_font_table. | |
3806 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3807 | 0 <= n_fonts <= x_font_table_size. */ | |
3808 | static int n_fonts; | |
3809 | ||
f676886a JB |
3810 | x_new_font (f, fontname) |
3811 | struct frame *f; | |
dc6f92b8 JB |
3812 | register char *fontname; |
3813 | { | |
3814 | XFontStruct *temp; | |
3815 | int already_loaded; | |
3816 | int n_matching_fonts; | |
3817 | XFontStruct *font_info; | |
3818 | char **font_names; | |
3819 | ||
3820 | /* Get a list of all the fonts that match this name. Once we | |
3821 | have a list of matching fonts, we compare them against the fonts | |
3822 | we already have by comparing font ids. */ | |
3823 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3824 | 1024, &n_matching_fonts, | |
3825 | &font_info); | |
3826 | /* If the server couldn't find any fonts whose named matched fontname, | |
3827 | return an error code. */ | |
3828 | if (n_matching_fonts == 0) | |
3829 | return 1; | |
3830 | ||
90e65f07 | 3831 | /* See if we've already loaded a matching font. */ |
dc6f92b8 JB |
3832 | { |
3833 | int i, j; | |
3834 | ||
3835 | already_loaded = 0; | |
3836 | for (i = 0; i < n_fonts; i++) | |
3837 | for (j = 0; j < n_matching_fonts; j++) | |
3838 | if (x_font_table[i]->fid == font_info[j].fid) | |
3839 | { | |
3840 | already_loaded = i; | |
3841 | goto found_font; | |
3842 | } | |
3843 | } | |
3844 | found_font: | |
3845 | ||
3846 | /* If we have, just return it from the table. */ | |
3847 | if (already_loaded) | |
f676886a | 3848 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3849 | |
dc6f92b8 JB |
3850 | /* Otherwise, load the font and add it to the table. */ |
3851 | else | |
3852 | { | |
3853 | XFontStruct *font; | |
3854 | ||
3855 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); | |
3856 | if (! font) | |
3857 | return 1; | |
3858 | ||
3859 | /* Do we need to create the table? */ | |
3860 | if (x_font_table_size == 0) | |
3861 | { | |
3862 | x_font_table_size = 16; | |
3863 | x_font_table | |
3864 | = (XFontStruct **) xmalloc (x_font_table_size | |
3865 | * sizeof (x_font_table[0])); | |
3866 | } | |
3867 | /* Do we need to grow the table? */ | |
3868 | else if (n_fonts >= x_font_table_size) | |
3869 | { | |
90e65f07 | 3870 | x_font_table_size *= 2; |
dc6f92b8 JB |
3871 | x_font_table |
3872 | = (XFontStruct **) xrealloc (x_font_table, | |
3873 | (x_font_table_size | |
3874 | * sizeof (x_font_table[0]))); | |
3875 | } | |
3876 | ||
f676886a | 3877 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
3878 | } |
3879 | ||
3880 | /* Free the information from XListFontsWithInfo. The data | |
3881 | we actually retain comes from XLoadQueryFont. */ | |
3882 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
3883 | ||
f676886a | 3884 | /* Now make the frame display the given font. */ |
c118dd06 | 3885 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 3886 | { |
f676886a JB |
3887 | XSetFont (x_current_display, f->display.x->normal_gc, |
3888 | f->display.x->font->fid); | |
3889 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
3890 | f->display.x->font->fid); | |
3891 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
3892 | f->display.x->font->fid); | |
3893 | ||
3894 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
3895 | } |
3896 | ||
3897 | return 0; | |
3898 | } | |
c118dd06 | 3899 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
3900 | x_new_font (f, newname) |
3901 | struct frame *f; | |
dc6f92b8 JB |
3902 | register char *newname; |
3903 | { | |
3904 | FONT_TYPE *temp; | |
3905 | int mask; | |
3906 | ||
3907 | temp = XGetFont (newname); | |
3908 | if (temp == (FONT_TYPE *) 0) | |
3909 | return 1; | |
3910 | ||
f676886a JB |
3911 | if (f->display.x->font) |
3912 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 3913 | |
f676886a | 3914 | f->display.x->font = temp; |
dc6f92b8 | 3915 | |
c118dd06 | 3916 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 3917 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
3918 | |
3919 | return 0; | |
3920 | } | |
c118dd06 | 3921 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3922 | \f |
f451eb13 JB |
3923 | /* X Window sizes and positions. */ |
3924 | ||
f676886a JB |
3925 | x_calc_absolute_position (f) |
3926 | struct frame *f; | |
dc6f92b8 JB |
3927 | { |
3928 | #ifdef HAVE_X11 | |
f676886a JB |
3929 | if (f->display.x->left_pos < 0) |
3930 | f->display.x->left_pos | |
7c5283e4 | 3931 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 3932 | |
f676886a JB |
3933 | if (f->display.x->top_pos < 0) |
3934 | f->display.x->top_pos | |
7c5283e4 | 3935 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 3936 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3937 | WINDOWINFO_TYPE parentinfo; |
3938 | ||
c118dd06 | 3939 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 3940 | |
f676886a JB |
3941 | if (f->display.x->left_pos < 0) |
3942 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
3943 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 3944 | |
f676886a JB |
3945 | if (f->display.x->top_pos < 0) |
3946 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
3947 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 3948 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3949 | } |
3950 | ||
f676886a JB |
3951 | x_set_offset (f, xoff, yoff) |
3952 | struct frame *f; | |
dc6f92b8 JB |
3953 | register int xoff, yoff; |
3954 | { | |
f676886a JB |
3955 | f->display.x->top_pos = yoff; |
3956 | f->display.x->left_pos = xoff; | |
3957 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
3958 | |
3959 | BLOCK_INPUT; | |
c118dd06 | 3960 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 3961 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 3962 | #ifdef HAVE_X11 |
f676886a | 3963 | x_wm_set_size_hint (f, 0); |
c118dd06 | 3964 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3965 | UNBLOCK_INPUT; |
3966 | } | |
3967 | ||
f676886a | 3968 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 3969 | |
f676886a JB |
3970 | x_set_window_size (f, cols, rows) |
3971 | struct frame *f; | |
b1c884c3 | 3972 | int cols, rows; |
dc6f92b8 JB |
3973 | { |
3974 | int pixelwidth, pixelheight; | |
3975 | int mask; | |
dc6f92b8 JB |
3976 | |
3977 | BLOCK_INPUT; | |
3978 | ||
b1c884c3 | 3979 | check_frame_size (f, &rows, &cols); |
ab648270 JB |
3980 | f->display.x->vertical_scroll_bar_extra = |
3981 | (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
3982 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
f451eb13 JB |
3983 | : 0); |
3984 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
3985 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
3986 | |
3987 | #ifdef HAVE_X11 | |
f676886a | 3988 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
3989 | #endif /* ! defined (HAVE_X11) */ |
3990 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
3991 | |
3992 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
3993 | but the window manager will get around to dealing with the size | |
3994 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
3995 | ConfigureNotify event gets here. |
3996 | ||
3997 | We could just not bother storing any of this information here, | |
3998 | and let the ConfigureNotify event set everything up, but that | |
3999 | might be kind of confusing to the lisp code, since size changes | |
4000 | wouldn't be reported in the frame parameters until some random | |
4001 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4002 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4003 | PIXEL_WIDTH (f) = pixelwidth; |
4004 | PIXEL_HEIGHT (f) = pixelheight; | |
4005 | ||
dbc4e1c1 JB |
4006 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4007 | receive in the ConfigureNotify event; if we get what we asked | |
4008 | for, then the event won't cause the screen to become garbaged, so | |
4009 | we have to make sure to do it here. */ | |
4010 | SET_FRAME_GARBAGED (f); | |
4011 | ||
dc6f92b8 JB |
4012 | XFlushQueue (); |
4013 | UNBLOCK_INPUT; | |
4014 | } | |
4015 | ||
4016 | #ifndef HAVE_X11 | |
f676886a JB |
4017 | x_set_resize_hint (f) |
4018 | struct frame *f; | |
dc6f92b8 | 4019 | { |
12ba150f JB |
4020 | XSetResizeHint (FRAME_X_WINDOW (f), |
4021 | 2 * f->display.x->internal_border_width, | |
f676886a | 4022 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
4023 | FONT_WIDTH (f->display.x->font), |
4024 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 4025 | } |
c118dd06 | 4026 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4027 | \f |
f451eb13 | 4028 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4029 | |
f676886a JB |
4030 | x_set_mouse_position (f, x, y) |
4031 | struct frame *f; | |
dc6f92b8 JB |
4032 | int x, y; |
4033 | { | |
4034 | int pix_x, pix_y; | |
4035 | ||
f676886a | 4036 | x_raise_frame (f); |
dc6f92b8 | 4037 | |
12ba150f JB |
4038 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
4039 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
4040 | |
4041 | if (pix_x < 0) pix_x = 0; | |
4042 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4043 | ||
4044 | if (pix_y < 0) pix_y = 0; | |
4045 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4046 | |
4047 | BLOCK_INPUT; | |
dc6f92b8 | 4048 | |
c118dd06 | 4049 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
4050 | UNBLOCK_INPUT; |
4051 | } | |
4052 | ||
4053 | #ifdef HAVE_X11 | |
f676886a JB |
4054 | x_focus_on_frame (f) |
4055 | struct frame *f; | |
dc6f92b8 | 4056 | { |
f676886a | 4057 | x_raise_frame (f); |
6d4238f3 JB |
4058 | #if 0 |
4059 | /* I don't think that the ICCCM allows programs to do things like this | |
4060 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4061 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 4062 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 4063 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4064 | #endif /* ! 0 */ |
dc6f92b8 JB |
4065 | } |
4066 | ||
f676886a JB |
4067 | x_unfocus_frame (f) |
4068 | struct frame *f; | |
dc6f92b8 | 4069 | { |
6d4238f3 | 4070 | #if 0 |
f676886a JB |
4071 | /* Look at the remarks in x_focus_on_frame. */ |
4072 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4073 | XSetInputFocus (x_current_display, PointerRoot, |
4074 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4075 | #endif /* ! 0 */ |
dc6f92b8 JB |
4076 | } |
4077 | ||
c118dd06 | 4078 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4079 | |
f676886a | 4080 | /* Raise frame F. */ |
dc6f92b8 | 4081 | |
f676886a JB |
4082 | x_raise_frame (f) |
4083 | struct frame *f; | |
dc6f92b8 | 4084 | { |
3a88c238 | 4085 | if (f->async_visible) |
dc6f92b8 JB |
4086 | { |
4087 | BLOCK_INPUT; | |
c118dd06 | 4088 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4089 | XFlushQueue (); |
4090 | UNBLOCK_INPUT; | |
4091 | } | |
4092 | } | |
4093 | ||
f676886a | 4094 | /* Lower frame F. */ |
dc6f92b8 | 4095 | |
f676886a JB |
4096 | x_lower_frame (f) |
4097 | struct frame *f; | |
dc6f92b8 | 4098 | { |
3a88c238 | 4099 | if (f->async_visible) |
dc6f92b8 JB |
4100 | { |
4101 | BLOCK_INPUT; | |
c118dd06 | 4102 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4103 | XFlushQueue (); |
4104 | UNBLOCK_INPUT; | |
4105 | } | |
4106 | } | |
4107 | ||
dbc4e1c1 JB |
4108 | static void |
4109 | XTframe_raise_lower (f, raise) | |
4110 | FRAME_PTR f; | |
4111 | int raise; | |
4112 | { | |
4113 | if (raise) | |
4114 | x_raise_frame (f); | |
4115 | else | |
4116 | x_lower_frame (f); | |
4117 | } | |
4118 | ||
4119 | ||
dc6f92b8 JB |
4120 | /* Change from withdrawn state to mapped state. */ |
4121 | ||
f676886a JB |
4122 | x_make_frame_visible (f) |
4123 | struct frame *f; | |
dc6f92b8 JB |
4124 | { |
4125 | int mask; | |
4126 | ||
dc6f92b8 | 4127 | BLOCK_INPUT; |
dc6f92b8 | 4128 | |
f676886a | 4129 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
4130 | { |
4131 | #ifdef HAVE_X11 | |
4132 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4133 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 4134 | |
c118dd06 | 4135 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
ab648270 | 4136 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
4137 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4138 | #else /* ! defined (HAVE_X11) */ | |
4139 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4140 | if (f->display.x->icon_desc != 0) |
4141 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4142 | |
90e65f07 | 4143 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4144 | f->async_visible = 1; |
4145 | f->async_iconified = 0; | |
dc6f92b8 | 4146 | |
f676886a | 4147 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4148 | XTcursor_to (0, 0); |
c118dd06 | 4149 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4150 | } |
dc6f92b8 | 4151 | |
dc6f92b8 | 4152 | XFlushQueue (); |
90e65f07 | 4153 | |
dc6f92b8 JB |
4154 | UNBLOCK_INPUT; |
4155 | } | |
4156 | ||
4157 | /* Change from mapped state to withdrawn state. */ | |
4158 | ||
f676886a JB |
4159 | x_make_frame_invisible (f) |
4160 | struct frame *f; | |
dc6f92b8 JB |
4161 | { |
4162 | int mask; | |
4163 | ||
3a88c238 | 4164 | if (! f->async_visible) |
dc6f92b8 JB |
4165 | return; |
4166 | ||
4167 | BLOCK_INPUT; | |
c118dd06 JB |
4168 | |
4169 | #ifdef HAVE_X11R4 | |
4170 | ||
4171 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
4172 | DefaultScreen (x_current_display))) | |
4173 | { | |
4174 | UNBLOCK_INPUT_RESIGNAL; | |
4175 | error ("can't notify window manager of window withdrawl"); | |
4176 | } | |
4177 | ||
4178 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4179 | #ifdef HAVE_X11 |
16bd92ea | 4180 | |
c118dd06 | 4181 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4182 | if (! EQ (Vx_no_window_manager, Qt)) |
4183 | { | |
16bd92ea | 4184 | XEvent unmap; |
dc6f92b8 | 4185 | |
16bd92ea | 4186 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 4187 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4188 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4189 | unmap.xunmap.from_configure = False; | |
4190 | if (! XSendEvent (x_current_display, | |
4191 | DefaultRootWindow (x_current_display), | |
4192 | False, | |
4193 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4194 | &unmap)) | |
4195 | { | |
4196 | UNBLOCK_INPUT_RESIGNAL; | |
4197 | error ("can't notify window manager of withdrawal"); | |
4198 | } | |
dc6f92b8 JB |
4199 | } |
4200 | ||
16bd92ea | 4201 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
4202 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
4203 | ||
4204 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 4205 | |
c118dd06 | 4206 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4207 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4208 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4209 | XUnmapWindow (f->display.x->icon_desc); |
4210 | ||
4211 | #endif /* ! defined (HAVE_X11) */ | |
4212 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4213 | |
4214 | XFlushQueue (); | |
4215 | UNBLOCK_INPUT; | |
4216 | } | |
4217 | ||
dc6f92b8 JB |
4218 | /* Change window state from mapped to iconified. */ |
4219 | ||
f676886a JB |
4220 | x_iconify_frame (f) |
4221 | struct frame *f; | |
dc6f92b8 JB |
4222 | { |
4223 | int mask; | |
4224 | ||
3a88c238 | 4225 | if (f->async_iconified) |
dc6f92b8 JB |
4226 | return; |
4227 | ||
4228 | BLOCK_INPUT; | |
4229 | ||
4230 | #ifdef HAVE_X11 | |
16bd92ea JB |
4231 | /* Since we don't know which revision of X we're running, we'll use both |
4232 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4233 | ||
4234 | /* X11R4: send a ClientMessage to the window manager using the | |
4235 | WM_CHANGE_STATE type. */ | |
4236 | { | |
4237 | XEvent message; | |
4238 | ||
c118dd06 | 4239 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4240 | message.xclient.type = ClientMessage; |
4241 | message.xclient.message_type = Xatom_wm_change_state; | |
4242 | message.xclient.format = 32; | |
4243 | message.xclient.data.l[0] = IconicState; | |
4244 | ||
4245 | if (! XSendEvent (x_current_display, | |
4246 | DefaultRootWindow (x_current_display), | |
4247 | False, | |
4248 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4249 | &message)) | |
dc6f92b8 JB |
4250 | { |
4251 | UNBLOCK_INPUT_RESIGNAL; | |
4252 | error ("Can't notify window manager of iconification."); | |
4253 | } | |
16bd92ea | 4254 | } |
dc6f92b8 | 4255 | |
16bd92ea JB |
4256 | /* X11R3: set the initial_state field of the window manager hints to |
4257 | IconicState. */ | |
4258 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4259 | |
3a88c238 | 4260 | f->async_iconified = 1; |
c118dd06 JB |
4261 | #else /* ! defined (HAVE_X11) */ |
4262 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4263 | |
3a88c238 | 4264 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4265 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4266 | { |
f676886a JB |
4267 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4268 | refreshicon (f); | |
dc6f92b8 | 4269 | } |
c118dd06 | 4270 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4271 | |
4272 | XFlushQueue (); | |
4273 | UNBLOCK_INPUT; | |
4274 | } | |
4275 | ||
c0ff3fab | 4276 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4277 | |
c0ff3fab | 4278 | x_destroy_window (f) |
f676886a | 4279 | struct frame *f; |
dc6f92b8 | 4280 | { |
dc6f92b8 | 4281 | BLOCK_INPUT; |
c0ff3fab JB |
4282 | |
4283 | if (f->display.x->icon_desc != 0) | |
4284 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4285 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
dc6f92b8 | 4286 | XFlushQueue (); |
dc6f92b8 | 4287 | |
c0ff3fab JB |
4288 | free (f->display.x); |
4289 | f->display.x = 0; | |
f676886a JB |
4290 | if (f == x_focus_frame) |
4291 | x_focus_frame = 0; | |
4292 | if (f == x_highlight_frame) | |
4293 | x_highlight_frame = 0; | |
c0ff3fab JB |
4294 | |
4295 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4296 | } |
4297 | \f | |
f451eb13 JB |
4298 | /* Manage event queues for X10. */ |
4299 | ||
dc6f92b8 JB |
4300 | #ifndef HAVE_X11 |
4301 | ||
4302 | /* Manage event queues. | |
4303 | ||
4304 | This code is only used by the X10 support. | |
4305 | ||
4306 | We cannot leave events in the X queue and get them when we are ready | |
4307 | because X does not provide a subroutine to get only a certain kind | |
4308 | of event but not block if there are no queued events of that kind. | |
4309 | ||
4310 | Therefore, we must examine events as they come in and copy events | |
4311 | of certain kinds into our private queues. | |
4312 | ||
4313 | All ExposeRegion events are put in x_expose_queue. | |
4314 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4315 | ||
4316 | ||
4317 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4318 | If the queue is full, do nothing, but return nonzero. */ | |
4319 | ||
4320 | int | |
4321 | enqueue_event (p_xrep, queue) | |
4322 | register XEvent *p_xrep; | |
4323 | register struct event_queue *queue; | |
4324 | { | |
4325 | int newindex = queue->windex + 1; | |
4326 | if (newindex == EVENT_BUFFER_SIZE) | |
4327 | newindex = 0; | |
4328 | if (newindex == queue->rindex) | |
4329 | return -1; | |
4330 | queue->xrep[queue->windex] = *p_xrep; | |
4331 | queue->windex = newindex; | |
4332 | return 0; | |
4333 | } | |
4334 | ||
4335 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4336 | If *QUEUE is empty, do nothing and return 0. */ | |
4337 | ||
4338 | int | |
4339 | dequeue_event (p_xrep, queue) | |
4340 | register XEvent *p_xrep; | |
4341 | register struct event_queue *queue; | |
4342 | { | |
4343 | if (queue->windex == queue->rindex) | |
4344 | return 0; | |
4345 | *p_xrep = queue->xrep[queue->rindex++]; | |
4346 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4347 | queue->rindex = 0; | |
4348 | return 1; | |
4349 | } | |
4350 | ||
4351 | /* Return the number of events buffered in *QUEUE. */ | |
4352 | ||
4353 | int | |
4354 | queue_event_count (queue) | |
4355 | register struct event_queue *queue; | |
4356 | { | |
4357 | int tem = queue->windex - queue->rindex; | |
4358 | if (tem >= 0) | |
4359 | return tem; | |
4360 | return EVENT_BUFFER_SIZE + tem; | |
4361 | } | |
4362 | ||
4363 | /* Return nonzero if mouse input is pending. */ | |
4364 | ||
4365 | int | |
4366 | mouse_event_pending_p () | |
4367 | { | |
4368 | return queue_event_count (&x_mouse_queue); | |
4369 | } | |
c118dd06 | 4370 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4371 | \f |
f451eb13 JB |
4372 | /* Setting window manager hints. */ |
4373 | ||
dc6f92b8 JB |
4374 | #ifdef HAVE_X11 |
4375 | ||
f676886a JB |
4376 | x_wm_set_size_hint (f, prompting) |
4377 | struct frame *f; | |
dc6f92b8 JB |
4378 | long prompting; |
4379 | { | |
4380 | XSizeHints size_hints; | |
c118dd06 | 4381 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 JB |
4382 | |
4383 | size_hints.flags = PResizeInc | PMinSize | PMaxSize; | |
4384 | ||
f676886a JB |
4385 | flexlines = f->height; |
4386 | ||
4387 | size_hints.x = f->display.x->left_pos; | |
4388 | size_hints.y = f->display.x->top_pos; | |
4389 | size_hints.height = PIXEL_HEIGHT (f); | |
4390 | size_hints.width = PIXEL_WIDTH (f); | |
4391 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4392 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
12ba150f JB |
4393 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4394 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f451eb13 | 4395 | |
b1c884c3 | 4396 | { |
b0342f17 JB |
4397 | int base_width, base_height; |
4398 | ||
f451eb13 JB |
4399 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4400 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4401 | |
4402 | { | |
4403 | int min_rows = 0, min_cols = 0; | |
4404 | check_frame_size (f, &min_rows, &min_cols); | |
4405 | ||
4406 | /* The window manager uses the base width hints to calculate the | |
4407 | current number of rows and columns in the frame while | |
4408 | resizing; min_width and min_height aren't useful for this | |
4409 | purpose, since they might not give the dimensions for a | |
4410 | zero-row, zero-column frame. | |
4411 | ||
4412 | We use the base_width and base_height members if we have | |
4413 | them; otherwise, we set the min_width and min_height members | |
4414 | to the size for a zero x zero frame. */ | |
4415 | ||
4416 | #ifdef HAVE_X11R4 | |
4417 | size_hints.flags |= PBaseSize; | |
4418 | size_hints.base_width = base_width; | |
4419 | size_hints.base_height = base_height; | |
4420 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4421 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4422 | #else | |
4423 | size_hints.min_width = base_width; | |
4424 | size_hints.min_height = base_height; | |
4425 | #endif | |
4426 | } | |
b1c884c3 | 4427 | |
b1c884c3 | 4428 | } |
dc6f92b8 JB |
4429 | |
4430 | if (prompting) | |
4431 | size_hints.flags |= prompting; | |
4432 | else | |
4433 | { | |
4434 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4435 | ||
4436 | XGetNormalHints (x_current_display, window, &hints); | |
4437 | if (hints.flags & PSize) | |
4438 | size_hints.flags |= PSize; | |
4439 | if (hints.flags & PPosition) | |
4440 | size_hints.flags |= PPosition; | |
4441 | if (hints.flags & USPosition) | |
4442 | size_hints.flags |= USPosition; | |
4443 | if (hints.flags & USSize) | |
4444 | size_hints.flags |= USSize; | |
4445 | } | |
16bd92ea | 4446 | |
b0342f17 JB |
4447 | #ifdef HAVE_X11R4 |
4448 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4449 | #else | |
dc6f92b8 | 4450 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4451 | #endif |
dc6f92b8 JB |
4452 | } |
4453 | ||
4454 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4455 | x_wm_set_window_state (f, state) |
4456 | struct frame *f; | |
dc6f92b8 JB |
4457 | int state; |
4458 | { | |
c118dd06 | 4459 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4460 | |
16bd92ea JB |
4461 | f->display.x->wm_hints.flags |= StateHint; |
4462 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4463 | |
16bd92ea | 4464 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4465 | } |
4466 | ||
f676886a JB |
4467 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4468 | struct frame *f; | |
dc6f92b8 JB |
4469 | Pixmap icon_pixmap; |
4470 | { | |
c118dd06 | 4471 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4472 | |
dbc4e1c1 JB |
4473 | if (icon_pixmap) |
4474 | { | |
4475 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
4476 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
4477 | } | |
4478 | else | |
4479 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 4480 | |
16bd92ea | 4481 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4482 | } |
4483 | ||
f676886a JB |
4484 | x_wm_set_icon_position (f, icon_x, icon_y) |
4485 | struct frame *f; | |
dc6f92b8 JB |
4486 | int icon_x, icon_y; |
4487 | { | |
c118dd06 | 4488 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4489 | |
16bd92ea JB |
4490 | f->display.x->wm_hints.flags |= IconPositionHint; |
4491 | f->display.x->wm_hints.icon_x = icon_x; | |
4492 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4493 | |
16bd92ea | 4494 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4495 | } |
4496 | ||
4497 | \f | |
f451eb13 JB |
4498 | /* Initialization. */ |
4499 | ||
dc6f92b8 JB |
4500 | void |
4501 | x_term_init (display_name) | |
4502 | char *display_name; | |
4503 | { | |
f676886a | 4504 | Lisp_Object frame; |
dc6f92b8 JB |
4505 | char *defaultvalue; |
4506 | #ifdef F_SETOWN | |
4507 | extern int old_fcntl_owner; | |
c118dd06 | 4508 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4509 | |
f676886a | 4510 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4511 | |
4512 | x_current_display = XOpenDisplay (display_name); | |
4513 | if (x_current_display == 0) | |
4514 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4515 | display_name); | |
4516 | ||
4517 | #ifdef HAVE_X11 | |
4518 | { | |
16bd92ea | 4519 | int hostname_size = 256; |
60fb3ee1 JB |
4520 | |
4521 | hostname = (char *) xmalloc (hostname_size); | |
4522 | ||
dc6f92b8 JB |
4523 | #if 0 |
4524 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4525 | #endif /* ! 0 */ |
dc6f92b8 | 4526 | |
60fb3ee1 JB |
4527 | /* Try to get the host name; if the buffer is too short, try |
4528 | again. Apparently, the only indication gethostname gives of | |
4529 | whether the buffer was large enough is the presence or absence | |
4530 | of a '\0' in the string. Eech. */ | |
4531 | for (;;) | |
4532 | { | |
4533 | gethostname (hostname, hostname_size - 1); | |
4534 | hostname[hostname_size - 1] = '\0'; | |
4535 | ||
4536 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4537 | if (strlen (hostname) < hostname_size - 1) | |
4538 | break; | |
4539 | ||
4540 | hostname_size <<= 1; | |
4541 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4542 | } | |
59653951 | 4543 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
4544 | + strlen (hostname) |
4545 | + 2); | |
59653951 | 4546 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 4547 | } |
28430d3c JB |
4548 | |
4549 | /* Figure out which modifier bits mean what. */ | |
4550 | x_find_modifier_meanings (); | |
f451eb13 | 4551 | |
ab648270 | 4552 | /* Get the scroll bar cursor. */ |
d56a553a RS |
4553 | x_vertical_scroll_bar_cursor |
4554 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 4555 | |
d56a553a | 4556 | #if 0 |
28430d3c JB |
4557 | /* Watch for PropertyNotify events on the root window; we use them |
4558 | to figure out when to invalidate our cache of the cut buffers. */ | |
4559 | x_watch_cut_buffer_cache (); | |
d56a553a | 4560 | #endif |
28430d3c | 4561 | |
a4fc7360 JB |
4562 | if (ConnectionNumber (x_current_display) != 0) |
4563 | { | |
4564 | dup2 (ConnectionNumber (x_current_display), 0); | |
6d4238f3 JB |
4565 | |
4566 | #ifndef SYSV_STREAMS | |
a4fc7360 JB |
4567 | /* Streams somehow keeps track of which descriptor number |
4568 | is being used to talk to X. So it is not safe to substitute | |
4569 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
4570 | close (ConnectionNumber (x_current_display)); | |
4571 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? | |
6d4238f3 JB |
4572 | * check the def of the macro; |
4573 | * it is a genuine lvalue */ | |
c118dd06 | 4574 | #endif /* SYSV_STREAMS */ |
a4fc7360 | 4575 | } |
6d4238f3 | 4576 | |
c118dd06 | 4577 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4578 | |
4579 | #ifdef F_SETOWN | |
4580 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4581 | #ifdef F_SETOWN_SOCK_NEG | |
4582 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4583 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4584 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4585 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4586 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4587 | |
4588 | #ifdef SIGIO | |
4589 | init_sigio (); | |
c118dd06 | 4590 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4591 | |
4592 | /* Must use interrupt input because we cannot otherwise | |
4593 | arrange for C-g to be noticed immediately. | |
4594 | We cannot connect it to SIGINT. */ | |
4595 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4596 | ||
4597 | expose_all_windows = 0; | |
4598 | ||
f676886a | 4599 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4600 | clear_end_of_line_hook = XTclear_end_of_line; |
4601 | ins_del_lines_hook = XTins_del_lines; | |
4602 | change_line_highlight_hook = XTchange_line_highlight; | |
4603 | insert_glyphs_hook = XTinsert_glyphs; | |
4604 | write_glyphs_hook = XTwrite_glyphs; | |
4605 | delete_glyphs_hook = XTdelete_glyphs; | |
4606 | ring_bell_hook = XTring_bell; | |
4607 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4608 | set_terminal_modes_hook = XTset_terminal_modes; | |
4609 | update_begin_hook = XTupdate_begin; | |
4610 | update_end_hook = XTupdate_end; | |
4611 | set_terminal_window_hook = XTset_terminal_window; | |
4612 | read_socket_hook = XTread_socket; | |
4613 | cursor_to_hook = XTcursor_to; | |
4614 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4615 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4616 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 4617 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
4618 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
4619 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
4620 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
4621 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 4622 | |
f676886a | 4623 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4624 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4625 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4626 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4627 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4628 | off the bottom */ |
4629 | baud_rate = 19200; | |
4630 | ||
c118dd06 JB |
4631 | /* Note that there is no real way portable across R3/R4 to get the |
4632 | original error handler. */ | |
4633 | XHandleError (x_error_quitter); | |
8922af5f | 4634 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
4635 | |
4636 | /* Disable Window Change signals; they are handled by X events. */ | |
4637 | #ifdef SIGWINCH | |
4638 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4639 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4640 | |
c118dd06 | 4641 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4642 | } |
55123275 JB |
4643 | |
4644 | void | |
4645 | syms_of_xterm () | |
4646 | { | |
ab648270 | 4647 | staticpro (&last_mouse_scroll_bar); |
55123275 | 4648 | } |
c118dd06 JB |
4649 | #endif /* ! defined (HAVE_X11) */ |
4650 | #endif /* ! defined (HAVE_X_WINDOWS) */ |