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" | |
9ac0d9e0 | 35 | #include "blockinput.h" |
dc6f92b8 | 36 | |
54c908b5 JB |
37 | /* On 4.3 these lose if they come after xterm.h. */ |
38 | #include <stdio.h> | |
dc6f92b8 JB |
39 | #include <signal.h> |
40 | ||
41 | /* This may include sys/types.h, and that somehow loses | |
42 | if this is not done before the other system files. */ | |
43 | #include "xterm.h" | |
f451eb13 | 44 | #include <X11/cursorfont.h> |
dc6f92b8 | 45 | |
16bd92ea | 46 | #ifndef USG |
dc6f92b8 JB |
47 | /* Load sys/types.h if not already loaded. |
48 | In some systems loading it twice is suicidal. */ | |
49 | #ifndef makedev | |
50 | #include <sys/types.h> | |
c118dd06 JB |
51 | #endif /* makedev */ |
52 | #endif /* USG */ | |
dc6f92b8 JB |
53 | |
54 | #ifdef BSD | |
55 | #include <sys/ioctl.h> | |
56 | #include <strings.h> | |
c118dd06 | 57 | #else /* ! defined (BSD) */ |
febf25d5 | 58 | #ifndef VMS |
dc6f92b8 JB |
59 | #include <sys/termio.h> |
60 | #include <string.h> | |
febf25d5 | 61 | #endif |
c118dd06 | 62 | #endif /* ! defined (BSD) */ |
dc6f92b8 JB |
63 | |
64 | /* Allow m- file to inhibit use of FIONREAD. */ | |
65 | #ifdef BROKEN_FIONREAD | |
66 | #undef FIONREAD | |
c118dd06 | 67 | #endif /* ! defined (BROKEN_FIONREAD) */ |
dc6f92b8 JB |
68 | |
69 | /* We are unable to use interrupts if FIONREAD is not available, | |
70 | so flush SIGIO so we won't try. */ | |
71 | #ifndef FIONREAD | |
72 | #ifdef SIGIO | |
73 | #undef SIGIO | |
c118dd06 JB |
74 | #endif /* ! defined (SIGIO) */ |
75 | #endif /* FIONREAD */ | |
dc6f92b8 | 76 | |
3a2712f9 | 77 | #include "systime.h" |
dc6f92b8 JB |
78 | |
79 | #include <fcntl.h> | |
dc6f92b8 JB |
80 | #include <ctype.h> |
81 | #include <errno.h> | |
82 | #include <setjmp.h> | |
83 | #include <sys/stat.h> | |
84 | #include <sys/param.h> | |
85 | ||
86 | #include "dispextern.h" | |
87 | #include "termhooks.h" | |
88 | #include "termopts.h" | |
89 | #include "termchar.h" | |
90 | #if 0 | |
91 | #include "sink.h" | |
92 | #include "sinkmask.h" | |
c118dd06 | 93 | #endif /* ! 0 */ |
dc6f92b8 | 94 | #include "gnu.h" |
f676886a | 95 | #include "frame.h" |
dc6f92b8 | 96 | #include "disptab.h" |
dc6f92b8 | 97 | #include "buffer.h" |
f451eb13 | 98 | #include "window.h" |
dc6f92b8 JB |
99 | |
100 | #ifdef HAVE_X11 | |
101 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 102 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
103 | #include <X/Xkeyboard.h> |
104 | /*#include <X/Xproto.h> */ | |
c118dd06 | 105 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
106 | |
107 | /* For sending Meta-characters. Do we need this? */ | |
108 | #define METABIT 0200 | |
109 | ||
110 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
111 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
112 | ||
113 | /* Nonzero means we must reprint all windows | |
114 | because 1) we received an ExposeWindow event | |
f451eb13 | 115 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 116 | |
f451eb13 | 117 | This is never needed under X11. */ |
dc6f92b8 JB |
118 | static int expose_all_windows; |
119 | ||
120 | /* Nonzero means we must reprint all icon windows. */ | |
121 | ||
122 | static int expose_all_icons; | |
123 | ||
124 | #ifndef HAVE_X11 | |
125 | /* ExposeRegion events, when received, are copied into this queue | |
126 | for later processing. */ | |
127 | ||
128 | static struct event_queue x_expose_queue; | |
129 | ||
130 | /* ButtonPressed and ButtonReleased events, when received, | |
131 | are copied into this queue for later processing. */ | |
132 | ||
133 | struct event_queue x_mouse_queue; | |
c118dd06 | 134 | #endif /* HAVE_X11 */ |
dc6f92b8 | 135 | |
dc6f92b8 JB |
136 | #if defined (SIGIO) && defined (FIONREAD) |
137 | int BLOCK_INPUT_mask; | |
c118dd06 | 138 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 139 | |
dc6f92b8 JB |
140 | /* The id of a bitmap used for icon windows. |
141 | One such map is shared by all Emacs icon windows. | |
142 | This is zero if we have not yet had a need to create the bitmap. */ | |
143 | ||
144 | static Bitmap icon_bitmap; | |
145 | ||
146 | /* Font used for text icons. */ | |
147 | ||
148 | static FONT_TYPE *icon_font_info; | |
149 | ||
150 | /* Stuff for dealing with the main icon title. */ | |
151 | ||
152 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 153 | char *hostname, *x_id_name; |
dc6f92b8 JB |
154 | |
155 | /* This is the X connection that we are using. */ | |
156 | ||
157 | Display *x_current_display; | |
158 | ||
ab648270 JB |
159 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
160 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 161 | |
f676886a | 162 | /* Frame being updated by update_frame. */ |
dc6f92b8 JB |
163 | /* This is set by XTupdate_begin and looked at by all the |
164 | XT functions. It is zero while not inside an update. | |
f676886a JB |
165 | In that case, the XT functions assume that `selected_frame' |
166 | is the frame to apply to. */ | |
dc6f92b8 | 167 | |
f676886a | 168 | static struct frame *updating_frame; |
dc6f92b8 | 169 | |
f676886a | 170 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
171 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
172 | that a mere EnterNotify event can set this; if you need to know the | |
173 | last frame specified in a FocusIn or FocusOut event, use | |
174 | x_focus_event_frame. */ | |
f676886a | 175 | struct frame *x_focus_frame; |
dc6f92b8 | 176 | |
f451eb13 JB |
177 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
178 | separate from x_focus_frame, because whether or not LeaveNotify | |
179 | events cause us to lose focus depends on whether or not we have | |
180 | received a FocusIn event for it. */ | |
181 | struct frame *x_focus_event_frame; | |
182 | ||
f676886a JB |
183 | /* The frame which currently has the visual highlight, and should get |
184 | keyboard input (other sorts of input have the frame encoded in the | |
185 | event). It points to the X focus frame's selected window's | |
186 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 187 | minibuffer. */ |
f676886a | 188 | static struct frame *x_highlight_frame; |
6d4238f3 | 189 | |
dc6f92b8 | 190 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 191 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
192 | |
193 | static int warp_mouse_on_deiconify; | |
194 | ||
195 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
196 | ||
197 | static int flexlines; | |
198 | ||
199 | /* During an update, nonzero if chars output now should be highlighted. */ | |
200 | ||
201 | static int highlight; | |
202 | ||
203 | /* Nominal cursor position -- where to draw output. | |
204 | During an update, these are different from the cursor-box position. */ | |
205 | ||
206 | static int curs_x; | |
207 | static int curs_y; | |
208 | ||
209 | #ifdef HAVE_X11 | |
210 | /* `t' if a mouse button is depressed. */ | |
211 | ||
212 | extern Lisp_Object Vmouse_depressed; | |
213 | ||
214 | /* Tells if a window manager is present or not. */ | |
215 | ||
216 | extern Lisp_Object Vx_no_window_manager; | |
217 | ||
218 | /* Timestamp that we requested selection data was made. */ | |
219 | extern Time requestor_time; | |
220 | ||
221 | /* ID of the window requesting selection data. */ | |
222 | extern Window requestor_window; | |
223 | ||
224 | /* Nonzero enables some debugging for the X interface code. */ | |
225 | extern int _Xdebug; | |
226 | ||
c118dd06 | 227 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
228 | |
229 | /* Bit patterns for the mouse cursor. */ | |
230 | ||
231 | short MouseCursor[] = { | |
232 | 0x0000, 0x0008, 0x0018, 0x0038, | |
233 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
234 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
235 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
236 | ||
237 | short MouseMask[] = { | |
238 | 0x000c, 0x001c, 0x003c, 0x007c, | |
239 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
240 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
241 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
242 | ||
243 | static short grey_bits[] = { | |
244 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
245 | ||
246 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 247 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
248 | |
249 | /* From time to time we get info on an Emacs window, here. */ | |
250 | ||
251 | static WINDOWINFO_TYPE windowinfo; | |
252 | ||
253 | extern int errno; | |
254 | ||
64bb1782 RS |
255 | /* See keyboard.c. */ |
256 | extern int extra_keyboard_modifiers; | |
257 | ||
dc6f92b8 JB |
258 | extern Display *XOpenDisplay (); |
259 | extern Window XCreateWindow (); | |
260 | ||
261 | extern Cursor XCreateCursor (); | |
262 | extern FONT_TYPE *XOpenFont (); | |
263 | ||
264 | static void flashback (); | |
265 | ||
266 | #ifndef HAVE_X11 | |
267 | static void dumpqueue (); | |
c118dd06 | 268 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
269 | |
270 | void dumpborder (); | |
4746118a JB |
271 | static int XTcursor_to (); |
272 | static int XTclear_end_of_line (); | |
16bd92ea JB |
273 | |
274 | \f | |
f451eb13 JB |
275 | /* Starting and ending updates. |
276 | ||
277 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
278 | of a frame update. We record in `updating_frame' the identity |
279 | of the frame being updated, so that the XT... functions do not | |
280 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 JB |
281 | should never be called except during an update, the only exceptions |
282 | being XTcursor_to, XTwrite_char and XTreassert_line_highlight. */ | |
283 | ||
284 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
285 | ||
286 | static | |
f676886a JB |
287 | XTupdate_begin (f) |
288 | struct frame *f; | |
dc6f92b8 JB |
289 | { |
290 | int mask; | |
291 | ||
f676886a | 292 | if (f == 0) |
dc6f92b8 JB |
293 | abort (); |
294 | ||
f676886a JB |
295 | updating_frame = f; |
296 | flexlines = f->height; | |
dc6f92b8 JB |
297 | highlight = 0; |
298 | ||
dc6f92b8 JB |
299 | BLOCK_INPUT; |
300 | #ifndef HAVE_X11 | |
301 | dumpqueue (); | |
c118dd06 | 302 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
303 | UNBLOCK_INPUT; |
304 | } | |
305 | ||
f451eb13 | 306 | #ifndef HAVE_X11 |
dc6f92b8 | 307 | static void x_do_pending_expose (); |
f451eb13 | 308 | #endif |
dc6f92b8 JB |
309 | |
310 | static | |
f676886a JB |
311 | XTupdate_end (f) |
312 | struct frame *f; | |
dc6f92b8 JB |
313 | { |
314 | int mask; | |
315 | ||
f676886a JB |
316 | if (updating_frame == 0 |
317 | || updating_frame != f) | |
dc6f92b8 JB |
318 | abort (); |
319 | ||
320 | BLOCK_INPUT; | |
321 | #ifndef HAVE_X11 | |
322 | dumpqueue (); | |
dc6f92b8 | 323 | x_do_pending_expose (); |
f451eb13 | 324 | #endif /* HAVE_X11 */ |
dc6f92b8 | 325 | |
f676886a | 326 | x_display_cursor (f, 1); |
dc6f92b8 | 327 | |
f676886a | 328 | updating_frame = 0; |
dc6f92b8 JB |
329 | XFlushQueue (); |
330 | UNBLOCK_INPUT; | |
331 | } | |
332 | \f | |
333 | /* External interface to control of standout mode. | |
334 | Call this when about to modify line at position VPOS | |
335 | and not change whether it is highlighted. */ | |
336 | ||
337 | XTreassert_line_highlight (new, vpos) | |
338 | int new, vpos; | |
339 | { | |
340 | highlight = new; | |
341 | } | |
342 | ||
343 | /* Call this when about to modify line at position VPOS | |
344 | and change whether it is highlighted. */ | |
345 | ||
346 | static | |
347 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
348 | int new_highlight, vpos, first_unused_hpos; | |
349 | { | |
350 | highlight = new_highlight; | |
351 | XTcursor_to (vpos, 0); | |
f676886a | 352 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
353 | } |
354 | ||
355 | /* This is used when starting Emacs and when restarting after suspend. | |
356 | When starting Emacs, no X window is mapped. And nothing must be done | |
357 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
358 | ||
359 | static | |
360 | XTset_terminal_modes () | |
361 | { | |
362 | } | |
363 | ||
364 | /* This is called when exiting or suspending Emacs. | |
365 | Exiting will make the X-windows go away, and suspending | |
366 | requires no action. */ | |
367 | ||
368 | static | |
369 | XTreset_terminal_modes () | |
370 | { | |
f676886a | 371 | /* XTclear_frame (); */ |
dc6f92b8 JB |
372 | } |
373 | \f | |
f451eb13 JB |
374 | /* Set the nominal cursor position of the frame. |
375 | This is where display update commands will take effect. | |
dc6f92b8 JB |
376 | This does not affect the place where the cursor-box is displayed. */ |
377 | ||
4746118a | 378 | static int |
dc6f92b8 JB |
379 | XTcursor_to (row, col) |
380 | register int row, col; | |
381 | { | |
382 | int mask; | |
383 | int orow = row; | |
384 | ||
385 | curs_x = col; | |
386 | curs_y = row; | |
387 | ||
f676886a | 388 | if (updating_frame == 0) |
dc6f92b8 JB |
389 | { |
390 | BLOCK_INPUT; | |
f676886a | 391 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
392 | XFlushQueue (); |
393 | UNBLOCK_INPUT; | |
394 | } | |
395 | } | |
396 | \f | |
397 | /* Display a sequence of N glyphs found at GP. | |
398 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
399 | HL is 1 if this text is highlighted, 2 if the cursor is on it. | |
400 | ||
401 | FONT is the default font to use (for glyphs whose font-code is 0). */ | |
402 | ||
403 | static void | |
f676886a JB |
404 | dumpglyphs (f, left, top, gp, n, hl, font) |
405 | struct frame *f; | |
dc6f92b8 JB |
406 | int left, top; |
407 | register GLYPH *gp; /* Points to first GLYPH. */ | |
408 | register int n; /* Number of glyphs to display. */ | |
409 | int hl; | |
410 | FONT_TYPE *font; | |
411 | { | |
dc6f92b8 | 412 | register int len; |
c118dd06 | 413 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
414 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc |
415 | : (hl ? f->display.x->reverse_gc | |
416 | : f->display.x->normal_gc)); | |
dc6f92b8 | 417 | |
c7004826 JB |
418 | if (sizeof (GLYPH) == sizeof (XChar2b)) |
419 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
420 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
421 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
422 | XDrawImageString (x_current_display, window, drawing_gc, | |
423 | left, top + FONT_BASE (font), (char *) gp, n); | |
424 | else | |
425 | /* What size of glyph ARE you using? And does X have a function to | |
426 | draw them? */ | |
427 | abort (); | |
dc6f92b8 JB |
428 | } |
429 | ||
430 | #if 0 | |
431 | static void | |
f676886a JB |
432 | dumpglyphs (f, left, top, gp, n, hl, font) |
433 | struct frame *f; | |
dc6f92b8 JB |
434 | int left, top; |
435 | register GLYPH *gp; /* Points to first GLYPH. */ | |
436 | register int n; /* Number of glyphs to display. */ | |
437 | int hl; | |
438 | FONT_TYPE *font; | |
439 | { | |
f676886a | 440 | char buf[f->width]; /* Holds characters to be displayed. */ |
dc6f92b8 JB |
441 | register char *cp; /* Steps through buf[]. */ |
442 | register int tlen = GLYPH_TABLE_LENGTH; | |
443 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 444 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
445 | int cursor_pixel = f->display.x->cursor_pixel; |
446 | int fg_pixel = f->display.x->foreground_pixel; | |
447 | int bg_pixel = f->display.x->background_pixel; | |
448 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
449 | |
450 | while (n) | |
451 | { | |
452 | /* Get the face-code of the next GLYPH. */ | |
453 | int cf, len; | |
454 | int g = *gp; | |
455 | ||
456 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
457 | g = GLYPH_ALIAS (tbase, g); | |
458 | ||
459 | cf = g >> 8; | |
460 | ||
461 | /* Find the run of consecutive glyphs with the same face-code. | |
462 | Extract their character codes into BUF. */ | |
463 | cp = buf; | |
464 | while (n > 0) | |
465 | { | |
466 | g = *gp; | |
467 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
468 | g = GLYPH_ALIAS (tbase, g); | |
469 | if ((g >> 8) != cf) | |
470 | break; | |
471 | ||
472 | *cp++ = 0377 & g; | |
473 | --n; | |
474 | ++gp; | |
475 | } | |
476 | ||
477 | /* LEN gets the length of the run. */ | |
478 | len = cp - buf; | |
479 | ||
480 | /* Now output this run of chars, with the font and pixel values | |
481 | determined by the face code CF. */ | |
482 | if (cf == 0) | |
483 | { | |
484 | #ifdef HAVE_X11 | |
f676886a JB |
485 | GC GC_cursor = f->display.x->cursor_gc; |
486 | GC GC_reverse = f->display.x->reverse_gc; | |
487 | GC GC_normal = f->display.x->normal_gc; | |
dc6f92b8 JB |
488 | |
489 | XDrawImageString (x_current_display, window, | |
490 | (hl == 2 | |
491 | ? GC_cursor | |
492 | : (hl ? GC_reverse : GC_normal)), | |
493 | left, top + FONT_BASE (font), buf, len); | |
c118dd06 | 494 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
495 | XText (window, left, top, |
496 | buf, | |
497 | len, | |
498 | font->id, | |
499 | (hl == 2 | |
500 | ? (cursor_pixel == fg_pixel ? bg_pixel : fg_pixel) | |
501 | : hl ? bg_pixel : fg_pixel), | |
502 | (hl == 2 ? cursor_pixel | |
503 | : hl ? fg_pixel : bg_pixel)); | |
c118dd06 | 504 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
505 | } |
506 | else | |
507 | { | |
508 | #ifdef HAVE_X11 | |
509 | if (FACE_IS_FONT (cf)) | |
c118dd06 | 510 | XDrawImageString (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 JB |
511 | FACE_GC (cf), |
512 | left, top + FONT_BASE (FACE_FONT (cf)), | |
513 | buf, len); | |
514 | else if (FACE_IS_IMAGE (cf)) | |
515 | XCopyPlane (x_current_display, FACE_IMAGE (cf), | |
c118dd06 | 516 | FRAME_X_WINDOW (f), |
f676886a | 517 | f->display.x->normal_gc, |
dc6f92b8 JB |
518 | 0, 0, |
519 | FACE_IMAGE_WIDTH (cf), | |
520 | FACE_IMAGE_HEIGHT (cf), left, top); | |
521 | else | |
522 | abort (); | |
c118dd06 | 523 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
524 | register struct face *fp = x_face_table[cf]; |
525 | ||
526 | XText (window, left, top, | |
527 | buf, | |
528 | len, | |
529 | fp->font->id, | |
530 | (hl == 2 | |
531 | ? (cursor_pixel == fp->fg ? fp->bg : fp->fg) | |
532 | : hl ? fp->bg : fp->fg), | |
533 | (hl == 2 ? cursor_pixel | |
534 | : hl ? fp->fg : fp->bg)); | |
c118dd06 | 535 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
536 | } |
537 | left += len * FONT_WIDTH (font); | |
538 | } | |
539 | } | |
c118dd06 | 540 | #endif /* ! 0 */ |
dc6f92b8 | 541 | \f |
f451eb13 JB |
542 | /* Output some text at the nominal frame cursor position. |
543 | Advance the cursor over the text. | |
dc6f92b8 JB |
544 | Output LEN glyphs at START. |
545 | ||
546 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
547 | controls the pixel values used for foreground and background. */ | |
548 | ||
549 | static | |
550 | XTwrite_glyphs (start, len) | |
551 | register GLYPH *start; | |
552 | int len; | |
553 | { | |
554 | register int temp_length; | |
555 | int mask; | |
f676886a | 556 | struct frame *f; |
dc6f92b8 JB |
557 | |
558 | BLOCK_INPUT; | |
559 | ||
f676886a JB |
560 | f = updating_frame; |
561 | if (f == 0) | |
dc6f92b8 | 562 | { |
f676886a | 563 | f = selected_frame; |
dc6f92b8 | 564 | /* If not within an update, |
f676886a JB |
565 | output at the frame's visible cursor. */ |
566 | curs_x = f->cursor_x; | |
567 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
568 | } |
569 | ||
f676886a | 570 | dumpglyphs (f, |
12ba150f JB |
571 | CHAR_TO_PIXEL_COL (f, curs_x), |
572 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
573 | start, len, highlight, f->display.x->font); | |
90e65f07 JB |
574 | |
575 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
576 | if (curs_y == f->phys_cursor_y |
577 | && curs_x <= f->phys_cursor_x | |
578 | && curs_x + len > f->phys_cursor_x) | |
579 | f->phys_cursor_x = -1; | |
dc6f92b8 | 580 | |
f676886a | 581 | if (updating_frame == 0) |
dc6f92b8 | 582 | { |
f676886a JB |
583 | f->cursor_x += len; |
584 | x_display_cursor (f, 1); | |
585 | f->cursor_x -= len; | |
dc6f92b8 JB |
586 | } |
587 | else | |
588 | curs_x += len; | |
589 | ||
590 | UNBLOCK_INPUT; | |
591 | } | |
592 | \f | |
f451eb13 JB |
593 | /* Clear to the end of the line. |
594 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
595 | to column FIRST_UNUSED (exclusive). The idea is that everything |
596 | from FIRST_UNUSED onward is already erased. */ | |
597 | ||
4746118a | 598 | static int |
dc6f92b8 JB |
599 | XTclear_end_of_line (first_unused) |
600 | register int first_unused; | |
601 | { | |
f676886a | 602 | struct frame *f = updating_frame; |
dc6f92b8 JB |
603 | int mask; |
604 | ||
f676886a | 605 | if (f == 0) |
dc6f92b8 JB |
606 | abort (); |
607 | ||
f676886a | 608 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
609 | return; |
610 | if (first_unused <= 0) | |
611 | return; | |
612 | ||
f676886a JB |
613 | if (first_unused >= f->width) |
614 | first_unused = f->width; | |
dc6f92b8 JB |
615 | |
616 | BLOCK_INPUT; | |
617 | ||
90e65f07 | 618 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
619 | if (curs_y == f->phys_cursor_y |
620 | && curs_x <= f->phys_cursor_x | |
621 | && f->phys_cursor_x < first_unused) | |
622 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
623 | |
624 | #ifdef HAVE_X11 | |
c118dd06 | 625 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
626 | CHAR_TO_PIXEL_COL (f, curs_x), |
627 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
628 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
629 | FONT_HEIGHT (f->display.x->font), False); | |
dc6f92b8 | 630 | |
c118dd06 JB |
631 | #else /* ! defined (HAVE_X11) */ |
632 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
633 | CHAR_TO_PIXEL_COL (f, curs_x), |
634 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
635 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
636 | FONT_HEIGHT (f->display.x->font), | |
637 | f->display.x->background_pixel); | |
c118dd06 | 638 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
639 | |
640 | UNBLOCK_INPUT; | |
641 | } | |
642 | ||
643 | static | |
f676886a | 644 | XTclear_frame () |
dc6f92b8 JB |
645 | { |
646 | int mask; | |
f676886a | 647 | struct frame *f = updating_frame; |
dc6f92b8 | 648 | |
f676886a JB |
649 | if (f == 0) |
650 | f = selected_frame; | |
dc6f92b8 | 651 | |
f676886a | 652 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
653 | curs_x = 0; /* Nominal cursor position is top left. */ |
654 | curs_y = 0; | |
655 | ||
656 | BLOCK_INPUT; | |
dbc4e1c1 | 657 | |
c118dd06 | 658 | XClear (FRAME_X_WINDOW (f)); |
dbc4e1c1 | 659 | |
ab648270 | 660 | /* We have to clear the scroll bars, too. If we have changed |
dbc4e1c1 | 661 | colors or something like that, then they should be notified. */ |
ab648270 | 662 | x_scroll_bar_clear (f); |
dbc4e1c1 | 663 | |
dc6f92b8 | 664 | #ifndef HAVE_X11 |
f676886a | 665 | dumpborder (f, 0); |
c118dd06 | 666 | #endif /* HAVE_X11 */ |
dbc4e1c1 | 667 | |
dc6f92b8 JB |
668 | XFlushQueue (); |
669 | UNBLOCK_INPUT; | |
670 | } | |
671 | \f | |
dbc4e1c1 JB |
672 | /* Invert the middle quarter of the frame for .15 sec. */ |
673 | ||
674 | /* We use the select system call to do the waiting, so we have to make sure | |
675 | it's avaliable. If it isn't, we just won't do visual bells. */ | |
676 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) | |
677 | ||
678 | /* Subtract the `struct timeval' values X and Y, | |
679 | storing the result in RESULT. | |
680 | Return 1 if the difference is negative, otherwise 0. */ | |
681 | ||
682 | static int | |
683 | timeval_subtract (result, x, y) | |
684 | struct timeval *result, x, y; | |
685 | { | |
686 | /* Perform the carry for the later subtraction by updating y. | |
687 | This is safer because on some systems | |
688 | the tv_sec member is unsigned. */ | |
689 | if (x.tv_usec < y.tv_usec) | |
690 | { | |
691 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
692 | y.tv_usec -= 1000000 * nsec; | |
693 | y.tv_sec += nsec; | |
694 | } | |
695 | if (x.tv_usec - y.tv_usec > 1000000) | |
696 | { | |
697 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
698 | y.tv_usec += 1000000 * nsec; | |
699 | y.tv_sec -= nsec; | |
700 | } | |
701 | ||
702 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
703 | result->tv_sec = x.tv_sec - y.tv_sec; | |
704 | result->tv_usec = x.tv_usec - y.tv_usec; | |
705 | ||
706 | /* Return indication of whether the result should be considered negative. */ | |
707 | return x.tv_sec < y.tv_sec; | |
708 | } | |
dc6f92b8 | 709 | |
f676886a JB |
710 | XTflash (f) |
711 | struct frame *f; | |
dc6f92b8 | 712 | { |
dbc4e1c1 | 713 | BLOCK_INPUT; |
dc6f92b8 | 714 | |
dbc4e1c1 JB |
715 | { |
716 | GC gc; | |
dc6f92b8 | 717 | |
dbc4e1c1 JB |
718 | /* Create a GC that will use the GXxor function to flip foreground pixels |
719 | into background pixels. */ | |
720 | { | |
721 | XGCValues values; | |
dc6f92b8 | 722 | |
dbc4e1c1 JB |
723 | values.function = GXxor; |
724 | values.foreground = (f->display.x->foreground_pixel | |
725 | ^ f->display.x->background_pixel); | |
726 | ||
727 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
728 | GCFunction | GCForeground, &values); | |
729 | } | |
dc6f92b8 | 730 | |
dbc4e1c1 JB |
731 | { |
732 | int width = PIXEL_WIDTH (f); | |
733 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 734 | |
dbc4e1c1 JB |
735 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
736 | width/4, height/4, width/2, height/2); | |
737 | XFlush (x_current_display); | |
dc6f92b8 | 738 | |
dbc4e1c1 JB |
739 | { |
740 | struct timeval wakeup, now; | |
dc6f92b8 | 741 | |
dbc4e1c1 | 742 | gettimeofday (&wakeup, (struct timezone *) 0); |
dc6f92b8 | 743 | |
dbc4e1c1 JB |
744 | /* Compute time to wait until, propagating carry from usecs. */ |
745 | wakeup.tv_usec += 150000; | |
746 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
747 | wakeup.tv_usec %= 1000000; | |
748 | ||
749 | /* Keep waiting until past the time wakeup. */ | |
750 | while (1) | |
751 | { | |
752 | struct timeval timeout; | |
753 | ||
754 | gettimeofday (&timeout, (struct timezone *)0); | |
755 | ||
756 | /* In effect, timeout = wakeup - timeout. | |
757 | Break if result would be negative. */ | |
758 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
759 | break; | |
760 | ||
761 | /* Try to wait that long--but we might wake up sooner. */ | |
762 | select (0, 0, 0, 0, &timeout); | |
763 | } | |
764 | } | |
765 | ||
766 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
767 | width/4, height/4, width/2, height/2); | |
768 | XFreeGC (x_current_display, gc); | |
769 | XFlush (x_current_display); | |
dc6f92b8 | 770 | } |
dbc4e1c1 JB |
771 | } |
772 | ||
773 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
774 | } |
775 | ||
dbc4e1c1 JB |
776 | #endif |
777 | ||
778 | ||
dc6f92b8 JB |
779 | /* Make audible bell. */ |
780 | ||
781 | #ifdef HAVE_X11 | |
782 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 783 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 784 | #define XRINGBELL XFeep(0); |
c118dd06 | 785 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
786 | |
787 | XTring_bell () | |
788 | { | |
dbc4e1c1 | 789 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 790 | if (visible_bell) |
f676886a | 791 | XTflash (selected_frame); |
dc6f92b8 | 792 | else |
dbc4e1c1 | 793 | #endif |
dc6f92b8 JB |
794 | { |
795 | BLOCK_INPUT; | |
796 | XRINGBELL; | |
797 | XFlushQueue (); | |
798 | UNBLOCK_INPUT; | |
799 | } | |
800 | } | |
801 | \f | |
f451eb13 JB |
802 | /* Insert and delete character. |
803 | These are not supposed to be used because we are supposed to turn | |
804 | off the feature of using them. */ | |
dc6f92b8 JB |
805 | |
806 | static | |
807 | XTinsert_glyphs (start, len) | |
808 | register char *start; | |
809 | register int len; | |
810 | { | |
811 | abort (); | |
812 | } | |
813 | ||
814 | static | |
815 | XTdelete_glyphs (n) | |
816 | register int n; | |
817 | { | |
818 | abort (); | |
819 | } | |
820 | \f | |
821 | /* Specify how many text lines, from the top of the window, | |
822 | should be affected by insert-lines and delete-lines operations. | |
823 | This, and those operations, are used only within an update | |
824 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
825 | ||
826 | static | |
827 | XTset_terminal_window (n) | |
828 | register int n; | |
829 | { | |
f676886a | 830 | if (updating_frame == 0) |
dc6f92b8 JB |
831 | abort (); |
832 | ||
f676886a JB |
833 | if ((n <= 0) || (n > updating_frame->height)) |
834 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
835 | else |
836 | flexlines = n; | |
837 | } | |
838 | \f | |
f451eb13 JB |
839 | /* Perform an insert-lines operation. |
840 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
841 | |
842 | static void | |
843 | stufflines (n) | |
844 | register int n; | |
845 | { | |
846 | register int topregion, bottomregion; | |
847 | register int length, newtop, mask; | |
f676886a JB |
848 | register struct frame *f = updating_frame; |
849 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
850 | |
851 | if (curs_y >= flexlines) | |
852 | return; | |
853 | ||
854 | topregion = curs_y; | |
855 | bottomregion = flexlines - (n + 1); | |
856 | newtop = topregion + n; | |
857 | length = (bottomregion - topregion) + 1; | |
858 | ||
859 | #ifndef HAVE_X11 | |
860 | dumpqueue (); | |
c118dd06 | 861 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
862 | |
863 | if ((length > 0) && (newtop <= flexlines)) | |
864 | { | |
865 | #ifdef HAVE_X11 | |
c118dd06 JB |
866 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
867 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 868 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
869 | f->width * FONT_WIDTH (f->display.x->font), |
870 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 871 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
872 | #else /* ! defined (HAVE_X11) */ |
873 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
874 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
875 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
876 | f->width * FONT_WIDTH (f->display.x->font), |
877 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
878 | /* Now we must process any ExposeRegion events that occur |
879 | if the area being copied from is obscured. | |
880 | We can't let it wait because further i/d operations | |
881 | may want to copy this area to another area. */ | |
882 | x_read_exposes (); | |
c118dd06 | 883 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
884 | } |
885 | ||
886 | newtop = min (newtop, (flexlines - 1)); | |
887 | length = newtop - topregion; | |
888 | if (length > 0) | |
889 | { | |
890 | #ifdef HAVE_X11 | |
c118dd06 | 891 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 892 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
893 | f->width * FONT_WIDTH (f->display.x->font), |
894 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
895 | #else /* ! defined (HAVE_X11) */ |
896 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 897 | intborder, |
12ba150f | 898 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
899 | f->width * FONT_WIDTH (f->display.x->font), |
900 | n * FONT_HEIGHT (f->display.x->font), | |
901 | f->display.x->background_pixel); | |
c118dd06 | 902 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
903 | } |
904 | } | |
905 | ||
906 | /* Perform a delete-lines operation, deleting N lines | |
907 | at a vertical position curs_y. */ | |
908 | ||
909 | static void | |
910 | scraplines (n) | |
911 | register int n; | |
912 | { | |
913 | int mask; | |
f676886a JB |
914 | register struct frame *f = updating_frame; |
915 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
916 | |
917 | if (curs_y >= flexlines) | |
918 | return; | |
919 | ||
920 | #ifndef HAVE_X11 | |
921 | dumpqueue (); | |
c118dd06 | 922 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
923 | |
924 | if ((curs_y + n) >= flexlines) | |
925 | { | |
926 | if (flexlines >= (curs_y + 1)) | |
927 | { | |
928 | #ifdef HAVE_X11 | |
c118dd06 | 929 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 930 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
931 | f->width * FONT_WIDTH (f->display.x->font), |
932 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
933 | #else /* ! defined (HAVE_X11) */ |
934 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 935 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
936 | f->width * FONT_WIDTH (f->display.x->font), |
937 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
938 | f->display.x->background_pixel); | |
c118dd06 | 939 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
940 | } |
941 | } | |
942 | else | |
943 | { | |
944 | #ifdef HAVE_X11 | |
c118dd06 JB |
945 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
946 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 947 | intborder, |
12ba150f | 948 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
949 | f->width * FONT_WIDTH (f->display.x->font), |
950 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 951 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 952 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 953 | intborder, |
12ba150f | 954 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
955 | f->width * FONT_WIDTH (f->display.x->font), |
956 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
957 | #else /* ! defined (HAVE_X11) */ |
958 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 959 | intborder, |
12ba150f JB |
960 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
961 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
962 | f->width * FONT_WIDTH (f->display.x->font), |
963 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
964 | /* Now we must process any ExposeRegion events that occur |
965 | if the area being copied from is obscured. | |
966 | We can't let it wait because further i/d operations | |
967 | may want to copy this area to another area. */ | |
968 | x_read_exposes (); | |
c118dd06 | 969 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 970 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
971 | f->width * FONT_WIDTH (f->display.x->font), |
972 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 973 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
974 | } |
975 | } | |
976 | ||
977 | /* Perform an insert-lines or delete-lines operation, | |
978 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
979 | ||
980 | XTins_del_lines (vpos, n) | |
981 | int vpos, n; | |
982 | { | |
f676886a | 983 | if (updating_frame == 0) |
dc6f92b8 JB |
984 | abort (); |
985 | ||
90e65f07 | 986 | /* Hide the cursor. */ |
f676886a | 987 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
988 | |
989 | XTcursor_to (vpos, 0); | |
990 | ||
991 | BLOCK_INPUT; | |
992 | if (n >= 0) | |
993 | stufflines (n); | |
994 | else | |
995 | scraplines (-n); | |
996 | XFlushQueue (); | |
997 | UNBLOCK_INPUT; | |
998 | } | |
999 | \f | |
f451eb13 | 1000 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1001 | static void clear_cursor (); |
1002 | ||
f676886a JB |
1003 | /* Output into a rectangle of an X-window (for frame F) |
1004 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
1005 | TOP and LEFT are the position of the upper left corner of the rectangle. |
1006 | ROWS and COLS are the size of the rectangle. */ | |
1007 | ||
1008 | static void | |
f676886a JB |
1009 | dumprectangle (f, left, top, cols, rows) |
1010 | struct frame *f; | |
dc6f92b8 JB |
1011 | register int left, top, cols, rows; |
1012 | { | |
f676886a | 1013 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1014 | int cursor_cleared = 0; |
1015 | int bottom, right; | |
1016 | register int y; | |
1017 | ||
f676886a | 1018 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1019 | return; |
1020 | ||
dc6f92b8 JB |
1021 | /* Express rectangle as four edges, instead of position-and-size. */ |
1022 | bottom = top + rows; | |
1023 | right = left + cols; | |
1024 | ||
1025 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1026 | { |
1027 | int intborder = f->display.x->internal_border_width; | |
1028 | ||
1029 | /* If the rectangle includes any of the internal border area, | |
1030 | redisplay the border emphasis. */ | |
1031 | if (top < intborder || left < intborder | |
1032 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1033 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1034 | dumpborder (f, 0); | |
1035 | } | |
c118dd06 | 1036 | #endif /* HAVE_X11 /* Window manger does this for X11. */ */ |
dc6f92b8 JB |
1037 | |
1038 | /* Convert rectangle edges in pixels to edges in chars. | |
1039 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1040 | top = PIXEL_TO_CHAR_ROW (f, top); |
1041 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1042 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1043 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1044 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1045 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1046 | |
1047 | /* Clip the rectangle to what can be visible. */ | |
1048 | if (left < 0) | |
1049 | left = 0; | |
1050 | if (top < 0) | |
1051 | top = 0; | |
f676886a JB |
1052 | if (right > f->width) |
1053 | right = f->width; | |
1054 | if (bottom > f->height) | |
1055 | bottom = f->height; | |
dc6f92b8 JB |
1056 | |
1057 | /* Get size in chars of the rectangle. */ | |
1058 | cols = right - left; | |
1059 | rows = bottom - top; | |
1060 | ||
1061 | /* If rectangle has zero area, return. */ | |
1062 | if (rows <= 0) return; | |
1063 | if (cols <= 0) return; | |
1064 | ||
1065 | /* Turn off the cursor if it is in the rectangle. | |
1066 | We will turn it back on afterward. */ | |
f676886a JB |
1067 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1068 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1069 | { |
f676886a | 1070 | clear_cursor (f); |
dc6f92b8 JB |
1071 | cursor_cleared = 1; |
1072 | } | |
1073 | ||
1074 | /* Display the text in the rectangle, one text line at a time. */ | |
1075 | ||
1076 | for (y = top; y < bottom; y++) | |
1077 | { | |
f676886a | 1078 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1079 | |
f676886a | 1080 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1081 | continue; |
1082 | ||
f676886a | 1083 | dumpglyphs (f, |
12ba150f JB |
1084 | CHAR_TO_PIXEL_COL (f, left), |
1085 | CHAR_TO_PIXEL_ROW (f, y), | |
1086 | line, min (cols, active_frame->used[y] - left), | |
1087 | active_frame->highlight[y], f->display.x->font); | |
dc6f92b8 JB |
1088 | } |
1089 | ||
1090 | /* Turn the cursor on if we turned it off. */ | |
1091 | ||
1092 | if (cursor_cleared) | |
f676886a | 1093 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1094 | } |
1095 | ||
1096 | #ifndef HAVE_X11 | |
1097 | /* Process all queued ExposeRegion events. */ | |
1098 | ||
1099 | static void | |
1100 | dumpqueue () | |
1101 | { | |
1102 | register int i; | |
1103 | XExposeRegionEvent r; | |
1104 | ||
1105 | while (dequeue_event (&r, &x_expose_queue)) | |
1106 | { | |
f676886a JB |
1107 | struct frame *f = x_window_to_frame (r.window); |
1108 | if (f->display.x->icon_desc == r.window) | |
1109 | refreshicon (f); | |
dc6f92b8 | 1110 | else |
f676886a | 1111 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1112 | } |
1113 | XFlushQueue (); | |
1114 | } | |
c118dd06 | 1115 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1116 | \f |
f451eb13 | 1117 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1118 | Redraws the cursor if necessary on any frame that |
1119 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1120 | |
f451eb13 | 1121 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1122 | static void |
1123 | x_do_pending_expose () | |
1124 | { | |
1125 | int mask; | |
f676886a JB |
1126 | struct frame *f; |
1127 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1128 | |
1129 | if (expose_all_windows) | |
1130 | { | |
1131 | expose_all_windows = 0; | |
f676886a | 1132 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1133 | { |
1134 | register int temp_width, temp_height; | |
1135 | int intborder; | |
1136 | ||
f676886a | 1137 | frame = XCONS (tail)->car; |
ab648270 | 1138 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1139 | continue; |
f676886a | 1140 | f = XFRAME (frame); |
b1c884c3 | 1141 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1142 | continue; |
3a88c238 | 1143 | if (!f->async_visible) |
dc6f92b8 | 1144 | continue; |
f676886a | 1145 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1146 | continue; |
1147 | ||
f676886a | 1148 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1149 | |
f676886a | 1150 | clear_cursor (f); |
c118dd06 | 1151 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1152 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1153 | - f->display.x->v_scroll_bar_width) |
f676886a | 1154 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1155 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1156 | - f->display.x->h_scroll_bar_height) |
f676886a JB |
1157 | / FONT_HEIGHT (f->display.x->font)); |
1158 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1159 | { |
f676886a | 1160 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1161 | max (1, temp_width), 0, 1); |
ab648270 | 1162 | x_resize_scroll_bars (f); |
dc6f92b8 | 1163 | } |
f676886a JB |
1164 | f->display.x->left_pos = windowinfo.x; |
1165 | f->display.x->top_pos = windowinfo.y; | |
1166 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1167 | #if 0 |
f676886a | 1168 | dumpborder (f, 0); |
c118dd06 | 1169 | #endif /* ! 0 */ |
f676886a JB |
1170 | f->display.x->needs_exposure = 0; |
1171 | if (updating_frame != f) | |
1172 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1173 | XFlushQueue (); |
1174 | } | |
1175 | } | |
1176 | else | |
1177 | /* Handle any individual-rectangle expose events queued | |
1178 | for various windows. */ | |
1179 | #ifdef HAVE_X11 | |
1180 | ; | |
c118dd06 | 1181 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1182 | dumpqueue (); |
c118dd06 | 1183 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1184 | } |
f451eb13 | 1185 | #endif |
dc6f92b8 JB |
1186 | |
1187 | #ifdef HAVE_X11 | |
1188 | static void | |
f676886a JB |
1189 | frame_highlight (frame) |
1190 | struct frame *frame; | |
dc6f92b8 JB |
1191 | { |
1192 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1193 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1194 | frame->display.x->border_pixel); |
1195 | x_display_cursor (frame, 1); | |
dc6f92b8 JB |
1196 | } |
1197 | ||
1198 | static void | |
f676886a JB |
1199 | frame_unhighlight (frame) |
1200 | struct frame *frame; | |
dc6f92b8 JB |
1201 | { |
1202 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1203 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1204 | frame->display.x->border_tile); |
1205 | x_display_cursor (frame, 1); | |
dc6f92b8 | 1206 | } |
c118dd06 | 1207 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1208 | /* Dump the border-emphasis of frame F. |
1209 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1210 | just within the border, occupying a portion of the internal border. |
f676886a | 1211 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1212 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1213 | ||
f676886a | 1214 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1215 | In that case, we also turn the cursor off and on again |
1216 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1217 | ||
1218 | static void | |
f676886a JB |
1219 | dumpborder (f, always) |
1220 | struct frame *f; | |
dc6f92b8 JB |
1221 | int always; |
1222 | { | |
f676886a JB |
1223 | int thickness = f->display.x->internal_border_width / 2; |
1224 | int width = PIXEL_WIDTH (f); | |
1225 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1226 | int pixel; |
1227 | ||
f676886a | 1228 | if (f != selected_frame) |
dc6f92b8 JB |
1229 | { |
1230 | if (!always) | |
1231 | return; | |
1232 | ||
f676886a | 1233 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1234 | } |
1235 | else | |
1236 | { | |
f676886a | 1237 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1238 | } |
1239 | ||
c118dd06 JB |
1240 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1241 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1242 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1243 | thickness, pixel); |
c118dd06 | 1244 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1245 | height, pixel); |
1246 | ||
1247 | if (always) | |
f676886a | 1248 | x_display_cursor (f, 1); |
dc6f92b8 | 1249 | } |
c118dd06 | 1250 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1251 | |
f676886a | 1252 | static void XTframe_rehighlight (); |
6d4238f3 | 1253 | |
f676886a JB |
1254 | /* The focus has changed. Update the frames as necessary to reflect |
1255 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1256 | here, because the lisp code we are interrupting might become confused. |
f676886a | 1257 | Each event gets marked with the frame in which it occured, so the |
6d4238f3 | 1258 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1259 | |
6d4238f3 | 1260 | static void |
f676886a JB |
1261 | x_new_focus_frame (frame) |
1262 | struct frame *frame; | |
dc6f92b8 | 1263 | { |
f676886a | 1264 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1265 | int events_enqueued = 0; |
1266 | ||
f676886a | 1267 | if (frame != x_focus_frame) |
dc6f92b8 | 1268 | { |
6d4238f3 | 1269 | /* Set this before calling other routines, so that they see |
f676886a JB |
1270 | the correct value of x_focus_frame. */ |
1271 | x_focus_frame = frame; | |
6d4238f3 JB |
1272 | |
1273 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1274 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1275 | |
1276 | #if 0 | |
f676886a JB |
1277 | selected_frame = frame; |
1278 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1279 | Lisp_Frame, selected_frame); | |
1280 | Fselect_window (selected_frame->selected_window); | |
1281 | choose_minibuf_frame (); | |
c118dd06 | 1282 | #endif /* ! 0 */ |
dc6f92b8 | 1283 | |
f676886a JB |
1284 | if (x_focus_frame && x_focus_frame->auto_raise) |
1285 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1286 | } |
dc6f92b8 | 1287 | |
f676886a | 1288 | XTframe_rehighlight (); |
6d4238f3 JB |
1289 | } |
1290 | ||
1291 | ||
f451eb13 JB |
1292 | /* The focus has changed, or we have redirected a frame's focus to |
1293 | another frame (this happens when a frame uses a surrogate | |
1294 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1295 | static void |
f676886a | 1296 | XTframe_rehighlight () |
6d4238f3 | 1297 | { |
f676886a | 1298 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1299 | |
f676886a | 1300 | if (x_focus_frame) |
6d4238f3 | 1301 | { |
f451eb13 | 1302 | x_highlight_frame = |
ab648270 | 1303 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1304 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1305 | : x_focus_frame); | |
1306 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1307 | { | |
1308 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1309 | x_highlight_frame = x_focus_frame; | |
1310 | } | |
dc6f92b8 | 1311 | } |
6d4238f3 | 1312 | else |
f676886a | 1313 | x_highlight_frame = 0; |
dc6f92b8 | 1314 | |
f676886a | 1315 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1316 | { |
1317 | if (old_highlight) | |
f676886a JB |
1318 | frame_unhighlight (old_highlight); |
1319 | if (x_highlight_frame) | |
1320 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1321 | } |
dc6f92b8 JB |
1322 | } |
1323 | \f | |
90e65f07 JB |
1324 | /* Mouse clicks and mouse movement. Rah. */ |
1325 | #ifdef HAVE_X11 | |
1326 | ||
f676886a | 1327 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return |
90e65f07 JB |
1328 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle |
1329 | that the glyph at X, Y occupies, if BOUNDS != 0. */ | |
1330 | static void | |
f676886a JB |
1331 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds) |
1332 | FRAME_PTR f; | |
dc6f92b8 JB |
1333 | register unsigned int pix_x, pix_y; |
1334 | register int *x, *y; | |
90e65f07 | 1335 | XRectangle *bounds; |
dc6f92b8 | 1336 | { |
12ba150f JB |
1337 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1338 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
90e65f07 JB |
1339 | |
1340 | if (bounds) | |
1341 | { | |
12ba150f JB |
1342 | bounds->width = FONT_WIDTH (f->display.x->font); |
1343 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1344 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1345 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
90e65f07 | 1346 | } |
12ba150f JB |
1347 | |
1348 | if (pix_x < 0) pix_x = 0; | |
1349 | else if (pix_x > f->width) pix_x = f->width; | |
1350 | ||
1351 | if (pix_y < 0) pix_y = 0; | |
1352 | else if (pix_y > f->height) pix_y = f->height; | |
1353 | ||
1354 | *x = pix_x; | |
1355 | *y = pix_y; | |
dc6f92b8 | 1356 | } |
dc6f92b8 JB |
1357 | |
1358 | /* Any buttons grabbed. */ | |
1359 | unsigned int x_mouse_grabbed; | |
1360 | ||
28430d3c JB |
1361 | /* Which modifier keys are on which modifier bits? |
1362 | ||
1363 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1364 | keys were held down when the key was pressed. The interpretation |
1365 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1366 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1367 | is the meta bit. | |
1368 | ||
1369 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1370 | It may have more than one bit set, if more than one modifier bit | |
1371 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1372 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1373 | ||
1374 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1375 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1376 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1377 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1378 | arrangement, the lock modifier should shift the character if | |
1379 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1380 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1381 | |
a3c44b14 RS |
1382 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1383 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1384 | ||
28430d3c JB |
1385 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1386 | static void | |
1387 | x_find_modifier_meanings () | |
1388 | { | |
f689eb05 | 1389 | int min_code, max_code; |
28430d3c JB |
1390 | KeySym *syms; |
1391 | int syms_per_code; | |
1392 | XModifierKeymap *mods; | |
1393 | ||
1394 | x_meta_mod_mask = 0; | |
11edeb03 | 1395 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1396 | x_alt_mod_mask = 0; |
1397 | x_super_mod_mask = 0; | |
1398 | x_hyper_mod_mask = 0; | |
28430d3c | 1399 | |
9658a521 | 1400 | #ifdef HAVE_X11R4 |
28430d3c | 1401 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1402 | #else |
1403 | min_code = x_current_display->min_keycode; | |
1404 | max_code = x_current_display->max_keycode; | |
1405 | #endif | |
1406 | ||
28430d3c JB |
1407 | syms = XGetKeyboardMapping (x_current_display, |
1408 | min_code, max_code - min_code + 1, | |
1409 | &syms_per_code); | |
1410 | mods = XGetModifierMapping (x_current_display); | |
1411 | ||
11edeb03 JB |
1412 | /* Scan the modifier table to see which modifier bits the Meta and |
1413 | Alt keysyms are on. */ | |
28430d3c JB |
1414 | { |
1415 | int row, col; /* The row and column in the modifier table. */ | |
1416 | ||
1417 | for (row = 3; row < 8; row++) | |
1418 | for (col = 0; col < mods->max_keypermod; col++) | |
1419 | { | |
1420 | KeyCode code = | |
1421 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1422 | ||
1423 | /* Are any of this keycode's keysyms a meta key? */ | |
1424 | { | |
1425 | int code_col; | |
1426 | ||
1427 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1428 | { | |
f689eb05 | 1429 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1430 | |
f689eb05 | 1431 | switch (sym) |
28430d3c | 1432 | { |
f689eb05 JB |
1433 | case XK_Meta_L: |
1434 | case XK_Meta_R: | |
28430d3c JB |
1435 | x_meta_mod_mask |= (1 << row); |
1436 | break; | |
f689eb05 JB |
1437 | |
1438 | case XK_Alt_L: | |
1439 | case XK_Alt_R: | |
a3c44b14 RS |
1440 | x_alt_mod_mask |= (1 << row); |
1441 | break; | |
1442 | ||
1443 | case XK_Hyper_L: | |
1444 | case XK_Hyper_R: | |
1445 | x_hyper_mod_mask |= (1 << row); | |
1446 | break; | |
1447 | ||
1448 | case XK_Super_L: | |
1449 | case XK_Super_R: | |
1450 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1451 | break; |
11edeb03 JB |
1452 | |
1453 | case XK_Shift_Lock: | |
1454 | /* Ignore this if it's not on the lock modifier. */ | |
1455 | if ((1 << row) == LockMask) | |
1456 | x_shift_lock_mask = LockMask; | |
1457 | break; | |
28430d3c JB |
1458 | } |
1459 | } | |
1460 | } | |
1461 | } | |
1462 | } | |
1463 | ||
f689eb05 JB |
1464 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1465 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1466 | { |
1467 | x_meta_mod_mask = x_alt_mod_mask; | |
1468 | x_alt_mod_mask = 0; | |
1469 | } | |
f689eb05 | 1470 | |
28430d3c | 1471 | XFree ((char *) syms); |
f689eb05 | 1472 | XFreeModifiermap (mods); |
28430d3c JB |
1473 | } |
1474 | ||
1475 | ||
dc6f92b8 JB |
1476 | /* Convert a set of X modifier bits to the proper form for a |
1477 | struct input_event modifiers value. */ | |
1478 | ||
7c5283e4 | 1479 | static unsigned int |
dc6f92b8 JB |
1480 | x_convert_modifiers (state) |
1481 | unsigned int state; | |
1482 | { | |
11edeb03 JB |
1483 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1484 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1485 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1486 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1487 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1488 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1489 | } |
1490 | ||
dc6f92b8 JB |
1491 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1492 | ||
1493 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1494 | the mouse. */ |
dc6f92b8 JB |
1495 | |
1496 | static Lisp_Object | |
f451eb13 | 1497 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1498 | struct input_event *result; |
1499 | XButtonEvent *event; | |
f676886a | 1500 | struct frame *f; |
dc6f92b8 | 1501 | { |
f451eb13 | 1502 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1503 | otherwise. */ |
f451eb13 JB |
1504 | result->kind = mouse_click; |
1505 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1506 | result->timestamp = event->time; |
dc6f92b8 | 1507 | result->modifiers = (x_convert_modifiers (event->state) |
f689eb05 JB |
1508 | | (event->type == ButtonRelease |
1509 | ? up_modifier | |
1510 | : down_modifier)); | |
dc6f92b8 JB |
1511 | |
1512 | /* Notice if the mouse is still grabbed. */ | |
1513 | if (event->type == ButtonPress) | |
1514 | { | |
1515 | if (! x_mouse_grabbed) | |
1516 | Vmouse_depressed = Qt; | |
90e65f07 | 1517 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1518 | } |
1519 | else if (event->type == ButtonRelease) | |
1520 | { | |
90e65f07 | 1521 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1522 | if (!x_mouse_grabbed) |
1523 | Vmouse_depressed = Qnil; | |
1524 | } | |
1525 | ||
f451eb13 JB |
1526 | { |
1527 | int row, column; | |
dc6f92b8 | 1528 | |
f451eb13 JB |
1529 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1530 | XFASTINT (result->x) = column; | |
1531 | XFASTINT (result->y) = row; | |
12ba150f | 1532 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1533 | } |
dc6f92b8 JB |
1534 | } |
1535 | ||
1536 | ||
90e65f07 JB |
1537 | /* Mouse movement. Rah. |
1538 | ||
1539 | In order to avoid asking for motion events and then throwing most | |
1540 | of them away or busy-polling the server for mouse positions, we ask | |
1541 | the server for pointer motion hints. This means that we get only | |
1542 | one event per group of mouse movements. "Groups" are delimited by | |
1543 | other kinds of events (focus changes and button clicks, for | |
1544 | example), or by XQueryPointer calls; when one of these happens, we | |
1545 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1546 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1547 | tracking is on, and I suspect only negligibly worse when tracking |
1548 | is off. | |
1549 | ||
1550 | The silly O'Reilly & Associates Nutshell guides barely document | |
1551 | pointer motion hints at all (I think you have to infer how they | |
1552 | work from an example), and the description of XQueryPointer doesn't | |
1553 | mention that calling it causes you to get another motion hint from | |
1554 | the server, which is very important. */ | |
1555 | ||
1556 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1557 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1558 | static XRectangle last_mouse_glyph; |
1559 | ||
ab648270 | 1560 | /* The scroll bar in which the last X motion event occurred. |
12ba150f | 1561 | |
ab648270 JB |
1562 | If the last X motion event occured in a scroll bar, we set this |
1563 | so XTmouse_position can know whether to report a scroll bar motion or | |
12ba150f JB |
1564 | an ordinary motion. |
1565 | ||
ab648270 | 1566 | If the last X motion event didn't occur in a scroll bar, we set this |
12ba150f | 1567 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ |
ab648270 | 1568 | static Lisp_Object last_mouse_scroll_bar; |
f451eb13 | 1569 | |
e5d77022 JB |
1570 | /* This is a hack. We would really prefer that XTmouse_position would |
1571 | return the time associated with the position it returns, but there | |
1572 | doesn't seem to be any way to wrest the timestamp from the server | |
1573 | along with the position query. So, we just keep track of the time | |
1574 | of the last movement we received, and return that in hopes that | |
1575 | it's somewhat accurate. */ | |
1576 | static Time last_mouse_movement_time; | |
1577 | ||
90e65f07 JB |
1578 | /* Function to report a mouse movement to the mainstream Emacs code. |
1579 | The input handler calls this. | |
1580 | ||
1581 | We have received a mouse movement event, which is given in *event. | |
1582 | If the mouse is over a different glyph than it was last time, tell | |
1583 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1584 | another motion event, so we can check again the next time it moves. */ | |
1585 | static void | |
12ba150f | 1586 | note_mouse_movement (frame, event) |
f676886a | 1587 | FRAME_PTR frame; |
90e65f07 JB |
1588 | XMotionEvent *event; |
1589 | ||
1590 | { | |
e5d77022 JB |
1591 | last_mouse_movement_time = event->time; |
1592 | ||
90e65f07 JB |
1593 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1594 | if (event->x < last_mouse_glyph.x | |
1595 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1596 | || event->y < last_mouse_glyph.y | |
1597 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1598 | { |
1599 | mouse_moved = 1; | |
ab648270 | 1600 | last_mouse_scroll_bar = Qnil; |
12ba150f | 1601 | } |
90e65f07 JB |
1602 | else |
1603 | { | |
1604 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1605 | event the next time the mouse moves and we can see if it's | |
1606 | *still* on the same glyph. */ | |
1607 | int dummy; | |
1608 | ||
1609 | XQueryPointer (event->display, event->window, | |
1610 | (Window *) &dummy, (Window *) &dummy, | |
1611 | &dummy, &dummy, &dummy, &dummy, | |
1612 | (unsigned int *) &dummy); | |
1613 | } | |
1614 | } | |
1615 | ||
ab648270 JB |
1616 | static struct scroll_bar *x_window_to_scroll_bar (); |
1617 | static void x_scroll_bar_report_motion (); | |
12ba150f | 1618 | |
90e65f07 JB |
1619 | /* Return the current position of the mouse. |
1620 | ||
ab648270 JB |
1621 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
1622 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 1623 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 1624 | position on the scroll bar. |
12ba150f JB |
1625 | |
1626 | If the mouse movement started elsewhere, set *f to the frame the | |
1627 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1628 | the mouse is over. | |
1629 | ||
1630 | Set *time to the server timestamp for the time at which the mouse | |
1631 | was at this position. | |
1632 | ||
90e65f07 | 1633 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1634 | movement. This also calls XQueryPointer, which will cause the |
1635 | server to give us another MotionNotify when the mouse moves | |
1636 | again. */ | |
90e65f07 JB |
1637 | |
1638 | static void | |
12ba150f | 1639 | XTmouse_position (f, bar_window, part, x, y, time) |
f676886a | 1640 | FRAME_PTR *f; |
12ba150f | 1641 | Lisp_Object *bar_window; |
ab648270 | 1642 | enum scroll_bar_part *part; |
90e65f07 | 1643 | Lisp_Object *x, *y; |
e5d77022 | 1644 | unsigned long *time; |
90e65f07 | 1645 | { |
90e65f07 JB |
1646 | BLOCK_INPUT; |
1647 | ||
ab648270 JB |
1648 | if (! NILP (last_mouse_scroll_bar)) |
1649 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1650 | else |
1651 | { | |
12ba150f JB |
1652 | Window root; |
1653 | int root_x, root_y; | |
90e65f07 | 1654 | |
12ba150f JB |
1655 | Window dummy_window; |
1656 | int dummy; | |
1657 | ||
1658 | mouse_moved = 0; | |
ab648270 | 1659 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
1660 | |
1661 | /* Figure out which root window we're on. */ | |
1662 | XQueryPointer (x_current_display, | |
1663 | DefaultRootWindow (x_current_display), | |
1664 | ||
1665 | /* The root window which contains the pointer. */ | |
1666 | &root, | |
1667 | ||
1668 | /* Trash which we can't trust if the pointer is on | |
1669 | a different screen. */ | |
1670 | &dummy_window, | |
1671 | ||
1672 | /* The position on that root window. */ | |
1673 | &root_x, &root_y, | |
1674 | ||
1675 | /* More trash we can't trust. */ | |
1676 | &dummy, &dummy, | |
1677 | ||
1678 | /* Modifier keys and pointer buttons, about which | |
1679 | we don't care. */ | |
1680 | (unsigned int *) &dummy); | |
1681 | ||
1682 | /* Now we have a position on the root; find the innermost window | |
1683 | containing the pointer. */ | |
1684 | { | |
1685 | Window win, child; | |
1686 | int win_x, win_y; | |
1687 | int parent_x, parent_y; | |
1688 | ||
1689 | win = root; | |
1690 | for (;;) | |
1691 | { | |
1692 | XTranslateCoordinates (x_current_display, | |
1693 | ||
1694 | /* From-window, to-window. */ | |
1695 | root, win, | |
1696 | ||
1697 | /* From-position, to-position. */ | |
1698 | root_x, root_y, &win_x, &win_y, | |
1699 | ||
1700 | /* Child of win. */ | |
1701 | &child); | |
1702 | ||
1703 | if (child == None) | |
1704 | break; | |
1705 | ||
1706 | win = child; | |
1707 | parent_x = win_x; | |
1708 | parent_y = win_y; | |
1709 | } | |
1710 | ||
1711 | /* Now we know that: | |
1712 | win is the innermost window containing the pointer | |
1713 | (XTC says it has no child containing the pointer), | |
1714 | win_x and win_y are the pointer's position in it | |
1715 | (XTC did this the last time through), and | |
1716 | parent_x and parent_y are the pointer's position in win's parent. | |
1717 | (They are what win_x and win_y were when win was child. | |
1718 | If win is the root window, it has no parent, and | |
1719 | parent_{x,y} are invalid, but that's okay, because we'll | |
1720 | never use them in that case.) */ | |
1721 | ||
1722 | /* Is win one of our frames? */ | |
1723 | *f = x_window_to_frame (win); | |
1724 | ||
ab648270 | 1725 | /* If not, is it one of our scroll bars? */ |
12ba150f JB |
1726 | if (! *f) |
1727 | { | |
ab648270 | 1728 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
1729 | |
1730 | if (bar) | |
1731 | { | |
1732 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1733 | win_x = parent_x; | |
1734 | win_y = parent_y; | |
1735 | } | |
1736 | } | |
90e65f07 | 1737 | |
12ba150f JB |
1738 | if (*f) |
1739 | { | |
1740 | pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y, | |
1741 | &last_mouse_glyph); | |
1742 | ||
1743 | *bar_window = Qnil; | |
1744 | *part = 0; | |
1745 | XSET (*x, Lisp_Int, win_x); | |
1746 | XSET (*y, Lisp_Int, win_y); | |
1747 | *time = last_mouse_movement_time; | |
1748 | } | |
1749 | } | |
1750 | } | |
90e65f07 JB |
1751 | |
1752 | UNBLOCK_INPUT; | |
1753 | } | |
1754 | ||
c118dd06 | 1755 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1756 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1757 | #endif /* ! defined (HAVE_X11) */ |
1758 | \f | |
ab648270 | 1759 | /* Scroll bar support. */ |
f451eb13 | 1760 | |
ab648270 JB |
1761 | /* Given an X window ID, find the struct scroll_bar which manages it. |
1762 | This can be called in GC, so we have to make sure to strip off mark | |
1763 | bits. */ | |
1764 | static struct scroll_bar * | |
1765 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
1766 | Window window_id; |
1767 | { | |
1768 | Lisp_Object tail, frame; | |
f451eb13 | 1769 | |
ab648270 JB |
1770 | for (tail = Vframe_list; |
1771 | XGCTYPE (tail) == Lisp_Cons; | |
1772 | tail = XCONS (tail)->cdr) | |
f451eb13 | 1773 | { |
f451eb13 | 1774 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1775 | Lisp_Object bar, condemned; |
f451eb13 JB |
1776 | |
1777 | /* All elements of Vframe_list should be frames. */ | |
ab648270 | 1778 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
1779 | abort (); |
1780 | ||
ab648270 | 1781 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 1782 | right window ID. */ |
ab648270 JB |
1783 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
1784 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 1785 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
1786 | condemned scroll bar lists with one loop. */ |
1787 | ! GC_NILP (bar) || (bar = condemned, | |
1788 | condemned = Qnil, | |
1789 | ! GC_NILP (bar)); | |
1790 | bar = XSCROLL_BAR(bar)->next) | |
1791 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1792 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
1793 | } |
1794 | ||
1795 | return 0; | |
1796 | } | |
1797 | ||
ab648270 JB |
1798 | /* Open a new X window to serve as a scroll bar, and return the |
1799 | scroll bar vector for it. */ | |
1800 | static struct scroll_bar * | |
1801 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 1802 | struct window *window; |
f451eb13 JB |
1803 | int top, left, width, height; |
1804 | { | |
12ba150f | 1805 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
1806 | struct scroll_bar *bar = |
1807 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
1808 | |
1809 | BLOCK_INPUT; | |
1810 | ||
1811 | { | |
1812 | XSetWindowAttributes a; | |
1813 | unsigned long mask; | |
1814 | ||
12ba150f JB |
1815 | a.background_pixel = frame->display.x->background_pixel; |
1816 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1817 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1818 | | ExposureMask); |
ab648270 | 1819 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 1820 | |
dbc4e1c1 | 1821 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 1822 | |
ab648270 | 1823 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
1824 | (bar, |
1825 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1826 | |
ab648270 | 1827 | /* Position and size of scroll bar. */ |
12ba150f | 1828 | left, top, width, height, |
f451eb13 | 1829 | |
12ba150f JB |
1830 | /* Border width, depth, class, and visual. */ |
1831 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1832 | |
12ba150f JB |
1833 | /* Attributes. */ |
1834 | mask, &a)); | |
f451eb13 JB |
1835 | } |
1836 | ||
12ba150f JB |
1837 | XSET (bar->window, Lisp_Window, window); |
1838 | XSET (bar->top, Lisp_Int, top); | |
1839 | XSET (bar->left, Lisp_Int, left); | |
1840 | XSET (bar->width, Lisp_Int, width); | |
1841 | XSET (bar->height, Lisp_Int, height); | |
1842 | XSET (bar->start, Lisp_Int, 0); | |
1843 | XSET (bar->end, Lisp_Int, 0); | |
1844 | bar->dragging = Qnil; | |
f451eb13 JB |
1845 | |
1846 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 1847 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 1848 | bar->prev = Qnil; |
ab648270 | 1849 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 1850 | if (! NILP (bar->next)) |
ab648270 | 1851 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 1852 | |
ab648270 | 1853 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
1854 | |
1855 | UNBLOCK_INPUT; | |
12ba150f JB |
1856 | |
1857 | return bar; | |
f451eb13 JB |
1858 | } |
1859 | ||
12ba150f JB |
1860 | /* Draw BAR's handle in the proper position. |
1861 | If the handle is already drawn from START to END, don't bother | |
1862 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1863 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1864 | events.) | |
1865 | ||
1866 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 1867 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
1868 | handle, we want to let them drag it down all the way, so that the |
1869 | bar's top is as far down as it goes; otherwise, there's no way to | |
1870 | move to the very end of the buffer. */ | |
f451eb13 | 1871 | static void |
ab648270 JB |
1872 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
1873 | struct scroll_bar *bar; | |
f451eb13 | 1874 | int start, end; |
12ba150f | 1875 | int rebuild; |
f451eb13 | 1876 | { |
12ba150f | 1877 | int dragging = ! NILP (bar->dragging); |
ab648270 | 1878 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
1879 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
1880 | ||
1881 | /* If the display is already accurate, do nothing. */ | |
1882 | if (! rebuild | |
1883 | && start == XINT (bar->start) | |
1884 | && end == XINT (bar->end)) | |
1885 | return; | |
1886 | ||
f451eb13 JB |
1887 | BLOCK_INPUT; |
1888 | ||
1889 | { | |
ab648270 JB |
1890 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
1891 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
1892 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
1893 | |
1894 | /* Make sure the values are reasonable, and try to preserve | |
1895 | the distance between start and end. */ | |
12ba150f JB |
1896 | { |
1897 | int length = end - start; | |
1898 | ||
1899 | if (start < 0) | |
1900 | start = 0; | |
1901 | else if (start > top_range) | |
1902 | start = top_range; | |
1903 | end = start + length; | |
1904 | ||
1905 | if (end < start) | |
1906 | end = start; | |
1907 | else if (end > top_range && ! dragging) | |
1908 | end = top_range; | |
1909 | } | |
f451eb13 | 1910 | |
ab648270 | 1911 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
1912 | XSET (bar->start, Lisp_Int, start); |
1913 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 1914 | |
12ba150f JB |
1915 | /* Clip the end position, just for display. */ |
1916 | if (end > top_range) | |
1917 | end = top_range; | |
f451eb13 | 1918 | |
ab648270 | 1919 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
1920 | below top positions, to make sure the handle is always at least |
1921 | that many pixels tall. */ | |
ab648270 | 1922 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 1923 | |
12ba150f JB |
1924 | /* Draw the empty space above the handle. Note that we can't clear |
1925 | zero-height areas; that means "clear to end of window." */ | |
1926 | if (0 < start) | |
1927 | XClearArea (x_current_display, w, | |
f451eb13 | 1928 | |
12ba150f | 1929 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1930 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1931 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
1932 | inside_width, start, |
1933 | False); | |
f451eb13 | 1934 | |
12ba150f JB |
1935 | /* Draw the handle itself. */ |
1936 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 1937 | |
12ba150f | 1938 | /* x, y, width, height */ |
ab648270 JB |
1939 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1940 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 1941 | inside_width, end - start); |
f451eb13 | 1942 | |
f451eb13 | 1943 | |
12ba150f JB |
1944 | /* Draw the empty space below the handle. Note that we can't |
1945 | clear zero-height areas; that means "clear to end of window." */ | |
1946 | if (end < inside_height) | |
1947 | XClearArea (x_current_display, w, | |
f451eb13 | 1948 | |
12ba150f | 1949 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1950 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1951 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
1952 | inside_width, inside_height - end, |
1953 | False); | |
f451eb13 | 1954 | |
f451eb13 JB |
1955 | } |
1956 | ||
f451eb13 JB |
1957 | UNBLOCK_INPUT; |
1958 | } | |
1959 | ||
ab648270 | 1960 | /* Move a scroll bar around on the screen, to accomodate changing |
12ba150f | 1961 | window configurations. */ |
f451eb13 | 1962 | static void |
ab648270 JB |
1963 | x_scroll_bar_move (bar, top, left, width, height) |
1964 | struct scroll_bar *bar; | |
f451eb13 JB |
1965 | int top, left, width, height; |
1966 | { | |
1967 | BLOCK_INPUT; | |
1968 | ||
1969 | { | |
1970 | XWindowChanges wc; | |
1971 | unsigned int mask = 0; | |
1972 | ||
1973 | wc.x = left; | |
1974 | wc.y = top; | |
1975 | wc.width = width; | |
1976 | wc.height = height; | |
1977 | ||
12ba150f JB |
1978 | if (left != XINT (bar->left)) mask |= CWX; |
1979 | if (top != XINT (bar->top)) mask |= CWY; | |
1980 | if (width != XINT (bar->width)) mask |= CWWidth; | |
1981 | if (height != XINT (bar->height)) mask |= CWHeight; | |
1982 | ||
1983 | if (mask) | |
ab648270 | 1984 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 1985 | mask, &wc); |
f451eb13 JB |
1986 | } |
1987 | ||
12ba150f JB |
1988 | XSET (bar->left, Lisp_Int, left); |
1989 | XSET (bar->top, Lisp_Int, top); | |
1990 | XSET (bar->width, Lisp_Int, width); | |
1991 | XSET (bar->height, Lisp_Int, height); | |
1992 | ||
f451eb13 JB |
1993 | UNBLOCK_INPUT; |
1994 | } | |
1995 | ||
ab648270 | 1996 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
1997 | to nil. */ |
1998 | static void | |
ab648270 JB |
1999 | x_scroll_bar_remove (bar) |
2000 | struct scroll_bar *bar; | |
12ba150f JB |
2001 | { |
2002 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2003 | ||
2004 | BLOCK_INPUT; | |
2005 | ||
2006 | /* Destroy the window. */ | |
ab648270 | 2007 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2008 | |
ab648270 JB |
2009 | /* Disassociate this scroll bar from its window. */ |
2010 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2011 | |
2012 | UNBLOCK_INPUT; | |
2013 | } | |
2014 | ||
2015 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2016 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2017 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2018 | create one. */ |
2019 | static void | |
ab648270 | 2020 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2021 | struct window *window; |
2022 | int portion, whole, position; | |
2023 | { | |
2024 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2025 | int top = XINT (window->top); |
ab648270 JB |
2026 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2027 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2028 | |
ab648270 | 2029 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2030 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2031 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2032 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2033 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2034 | |
ab648270 | 2035 | struct scroll_bar *bar; |
12ba150f | 2036 | |
ab648270 JB |
2037 | /* Does the scroll bar exist yet? */ |
2038 | if (NILP (window->vertical_scroll_bar)) | |
2039 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2040 | pixel_top, pixel_left, |
2041 | pixel_width, pixel_height); | |
2042 | else | |
12ba150f JB |
2043 | { |
2044 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2045 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2046 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2047 | } |
f451eb13 | 2048 | |
ab648270 | 2049 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2050 | dragged. */ |
12ba150f | 2051 | if (NILP (bar->dragging)) |
f451eb13 | 2052 | { |
12ba150f | 2053 | int top_range = |
ab648270 | 2054 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2055 | |
12ba150f | 2056 | if (whole == 0) |
ab648270 | 2057 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2058 | else |
2059 | { | |
2060 | int start = (position * top_range) / whole; | |
2061 | int end = ((position + portion) * top_range) / whole; | |
2062 | ||
ab648270 | 2063 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2064 | } |
f451eb13 JB |
2065 | } |
2066 | ||
ab648270 | 2067 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2068 | } |
2069 | ||
12ba150f | 2070 | |
f451eb13 | 2071 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2072 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2073 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2074 | away is a real pain - "Can you say set-window-configuration, boys |
2075 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2076 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2077 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2078 | |
ab648270 JB |
2079 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2080 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2081 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2082 | static void |
ab648270 | 2083 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2084 | FRAME_PTR frame; |
2085 | { | |
12ba150f JB |
2086 | /* The condemned list should be empty at this point; if it's not, |
2087 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2088 | protocol correctly. */ | |
ab648270 | 2089 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2090 | abort (); |
2091 | ||
2092 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2093 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2094 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2095 | } |
2096 | ||
ab648270 | 2097 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2098 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2099 | static void |
ab648270 | 2100 | XTredeem_scroll_bar (window) |
12ba150f | 2101 | struct window *window; |
f451eb13 | 2102 | { |
ab648270 | 2103 | struct scroll_bar *bar; |
12ba150f | 2104 | |
ab648270 JB |
2105 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2106 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2107 | abort (); |
2108 | ||
ab648270 | 2109 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2110 | |
2111 | /* Unlink it from the condemned list. */ | |
2112 | { | |
2113 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2114 | ||
2115 | if (NILP (bar->prev)) | |
2116 | { | |
2117 | /* If the prev pointer is nil, it must be the first in one of | |
2118 | the lists. */ | |
ab648270 | 2119 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2120 | /* It's not condemned. Everything's fine. */ |
2121 | return; | |
ab648270 JB |
2122 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2123 | window->vertical_scroll_bar)) | |
2124 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2125 | else |
2126 | /* If its prev pointer is nil, it must be at the front of | |
2127 | one or the other! */ | |
2128 | abort (); | |
2129 | } | |
2130 | else | |
ab648270 | 2131 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2132 | |
2133 | if (! NILP (bar->next)) | |
ab648270 | 2134 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2135 | |
ab648270 | 2136 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2137 | bar->prev = Qnil; |
ab648270 | 2138 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2139 | if (! NILP (bar->next)) |
ab648270 | 2140 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2141 | } |
f451eb13 JB |
2142 | } |
2143 | ||
ab648270 JB |
2144 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2145 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2146 | static void |
ab648270 | 2147 | XTjudge_scroll_bars (f) |
12ba150f | 2148 | FRAME_PTR f; |
f451eb13 | 2149 | { |
12ba150f | 2150 | Lisp_Object bar, next; |
f451eb13 | 2151 | |
ab648270 | 2152 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2153 | |
2154 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2155 | more events on the hapless scroll bars. */ |
2156 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2157 | |
2158 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2159 | { |
ab648270 | 2160 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2161 | |
ab648270 | 2162 | x_scroll_bar_remove (b); |
12ba150f JB |
2163 | |
2164 | next = b->next; | |
2165 | b->next = b->prev = Qnil; | |
f451eb13 | 2166 | } |
12ba150f | 2167 | |
ab648270 | 2168 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2169 | and they should get garbage-collected. */ |
f451eb13 JB |
2170 | } |
2171 | ||
2172 | ||
ab648270 JB |
2173 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2174 | ||
2175 | This may be called from a signal handler, so we have to ignore GC | |
2176 | mark bits. */ | |
f451eb13 | 2177 | static void |
ab648270 JB |
2178 | x_scroll_bar_expose (bar, event) |
2179 | struct scroll_bar *bar; | |
f451eb13 JB |
2180 | XEvent *event; |
2181 | { | |
ab648270 | 2182 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2183 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2184 | ||
f451eb13 JB |
2185 | BLOCK_INPUT; |
2186 | ||
ab648270 | 2187 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2188 | |
ab648270 | 2189 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2190 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2191 | |
2192 | /* x, y, width, height */ | |
12ba150f | 2193 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2194 | |
12ba150f JB |
2195 | /* Draw another line to make the extra-thick border on the right. */ |
2196 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2197 | |
12ba150f JB |
2198 | /* x, y, width, height */ |
2199 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2200 | |
2201 | UNBLOCK_INPUT; | |
2202 | } | |
2203 | ||
ab648270 JB |
2204 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2205 | is set to something other than no_event, it is enqueued. | |
2206 | ||
2207 | This may be called from a signal handler, so we have to ignore GC | |
2208 | mark bits. */ | |
f451eb13 | 2209 | static void |
ab648270 JB |
2210 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2211 | struct scroll_bar *bar; | |
f451eb13 JB |
2212 | XEvent *event; |
2213 | struct input_event *emacs_event; | |
2214 | { | |
ab648270 | 2215 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2216 | abort (); |
2217 | ||
ab648270 | 2218 | emacs_event->kind = scroll_bar_click; |
12ba150f | 2219 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 JB |
2220 | emacs_event->modifiers = |
2221 | (x_convert_modifiers (event->xbutton.state) | |
2222 | | (event->type == ButtonRelease | |
2223 | ? up_modifier | |
2224 | : down_modifier)); | |
12ba150f | 2225 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2226 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2227 | { |
2228 | int internal_height = | |
ab648270 | 2229 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2230 | int top_range = |
ab648270 JB |
2231 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2232 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2233 | |
2234 | if (y < 0) y = 0; | |
2235 | if (y > top_range) y = top_range; | |
2236 | ||
2237 | if (y < XINT (bar->start)) | |
ab648270 JB |
2238 | emacs_event->part = scroll_bar_above_handle; |
2239 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2240 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2241 | else |
ab648270 | 2242 | emacs_event->part = scroll_bar_below_handle; |
12ba150f JB |
2243 | |
2244 | /* If the user has just clicked on the handle, record where they're | |
2245 | holding it. */ | |
2246 | if (event->type == ButtonPress | |
ab648270 | 2247 | && emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2248 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
2249 | ||
2250 | /* If the user has released the handle, set it to its final position. */ | |
2251 | if (event->type == ButtonRelease | |
2252 | && ! NILP (bar->dragging)) | |
2253 | { | |
2254 | int new_start = y - XINT (bar->dragging); | |
2255 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2256 | |
ab648270 | 2257 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2258 | bar->dragging = Qnil; |
2259 | } | |
f451eb13 | 2260 | |
12ba150f JB |
2261 | /* Clicks on the handle are always reported as occuring at the top of |
2262 | the handle. */ | |
ab648270 | 2263 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2264 | emacs_event->x = bar->start; |
2265 | else | |
2266 | XSET (emacs_event->x, Lisp_Int, y); | |
f451eb13 | 2267 | |
12ba150f JB |
2268 | XSET (emacs_event->y, Lisp_Int, top_range); |
2269 | } | |
2270 | } | |
f451eb13 | 2271 | |
ab648270 JB |
2272 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2273 | ||
2274 | This may be called from a signal handler, so we have to ignore GC | |
2275 | mark bits. */ | |
f451eb13 | 2276 | static void |
ab648270 JB |
2277 | x_scroll_bar_note_movement (bar, event) |
2278 | struct scroll_bar *bar; | |
f451eb13 JB |
2279 | XEvent *event; |
2280 | { | |
2281 | last_mouse_movement_time = event->xmotion.time; | |
2282 | ||
2283 | mouse_moved = 1; | |
ab648270 | 2284 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2285 | |
2286 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2287 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2288 | { |
2289 | /* Where should the handle be now? */ | |
12ba150f | 2290 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2291 | |
12ba150f | 2292 | if (new_start != XINT (bar->start)) |
f451eb13 | 2293 | { |
12ba150f | 2294 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2295 | |
ab648270 | 2296 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2297 | } |
2298 | } | |
2299 | ||
2300 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2301 | moves and we can see *still* on the same position. */ | |
2302 | { | |
2303 | int dummy; | |
2304 | ||
2305 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2306 | (Window *) &dummy, (Window *) &dummy, | |
2307 | &dummy, &dummy, &dummy, &dummy, | |
2308 | (unsigned int *) &dummy); | |
2309 | } | |
2310 | } | |
2311 | ||
12ba150f | 2312 | /* Return information to the user about the current position of the mouse |
ab648270 | 2313 | on the scroll bar. */ |
12ba150f | 2314 | static void |
ab648270 | 2315 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2316 | FRAME_PTR *f; |
2317 | Lisp_Object *bar_window; | |
ab648270 | 2318 | enum scroll_bar_part *part; |
12ba150f JB |
2319 | Lisp_Object *x, *y; |
2320 | unsigned long *time; | |
2321 | { | |
ab648270 | 2322 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f JB |
2323 | int win_x, win_y; |
2324 | ||
cf7cb199 JB |
2325 | BLOCK_INPUT; |
2326 | ||
ab648270 | 2327 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f JB |
2328 | report that. */ |
2329 | { | |
2330 | Window dummy_window; | |
2331 | int dummy_coord; | |
2332 | unsigned int dummy_mask; | |
2333 | ||
2334 | if (! XQueryPointer (x_current_display, | |
ab648270 | 2335 | SCROLL_BAR_X_WINDOW (bar), |
12ba150f JB |
2336 | |
2337 | /* Root, child, root x and root y. */ | |
2338 | &dummy_window, &dummy_window, | |
2339 | &dummy_coord, &dummy_coord, | |
2340 | ||
ab648270 | 2341 | /* Position relative to scroll bar. */ |
12ba150f JB |
2342 | &win_x, &win_y, |
2343 | ||
2344 | /* Mouse buttons and modifier keys. */ | |
2345 | &dummy_mask)) | |
2346 | { | |
2347 | *f = 0; | |
cf7cb199 | 2348 | goto done; |
12ba150f JB |
2349 | } |
2350 | } | |
2351 | ||
2352 | { | |
ab648270 JB |
2353 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
2354 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
12ba150f | 2355 | |
ab648270 | 2356 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
2357 | |
2358 | if (! NILP (bar->dragging)) | |
2359 | win_y -= XINT (bar->dragging); | |
2360 | ||
2361 | if (win_y < 0) | |
2362 | win_y = 0; | |
2363 | if (win_y > top_range) | |
2364 | win_y = top_range; | |
2365 | ||
2366 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2367 | *bar_window = bar->window; | |
2368 | ||
2369 | if (! NILP (bar->dragging)) | |
ab648270 | 2370 | *part = scroll_bar_handle; |
12ba150f | 2371 | else if (win_y < XINT (bar->start)) |
ab648270 JB |
2372 | *part = scroll_bar_above_handle; |
2373 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2374 | *part = scroll_bar_handle; | |
12ba150f | 2375 | else |
ab648270 | 2376 | *part = scroll_bar_below_handle; |
12ba150f JB |
2377 | |
2378 | XSET (*x, Lisp_Int, win_y); | |
2379 | XSET (*y, Lisp_Int, top_range); | |
2380 | *time = last_mouse_movement_time; | |
2381 | } | |
2382 | ||
2383 | mouse_moved = 0; | |
ab648270 | 2384 | last_mouse_scroll_bar = Qnil; |
cf7cb199 JB |
2385 | |
2386 | done: | |
2387 | UNBLOCK_INPUT; | |
12ba150f JB |
2388 | } |
2389 | ||
f451eb13 | 2390 | |
dbc4e1c1 | 2391 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2392 | background colors, and the scroll bars may need to be redrawn. |
2393 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2394 | redraw them. */ |
2395 | ||
ab648270 | 2396 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2397 | FRAME_PTR f; |
2398 | { | |
2399 | Lisp_Object bar; | |
2400 | ||
ab648270 | 2401 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2402 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2403 | bar = XSCROLL_BAR (bar)->next) |
2404 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2405 | 0, 0, 0, 0, True); |
2406 | } | |
2407 | ||
2408 | ||
f451eb13 JB |
2409 | \f |
2410 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2411 | |
dc6f92b8 JB |
2412 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2413 | but we have to put it out here, since static variables within functions | |
2414 | sometimes don't work. */ | |
2415 | static Time enter_timestamp; | |
2416 | ||
11edeb03 JB |
2417 | /* This holds the state XLookupString needs to implement dead keys |
2418 | and other tricks known as "compose processing". _X Window System_ | |
2419 | says that a portable program can't use this, but Stephen Gildea assures | |
2420 | me that letting the compiler initialize it to zeros will work okay. | |
2421 | ||
2422 | This must be defined outside of XTread_socket, for the same reasons | |
2423 | given for enter_timestamp, above. */ | |
2424 | static XComposeStatus compose_status; | |
2425 | ||
c047688c JA |
2426 | /* Communication with window managers. */ |
2427 | Atom Xatom_wm_protocols; | |
2428 | ||
2429 | /* Kinds of protocol things we may receive. */ | |
2430 | Atom Xatom_wm_take_focus; | |
2431 | Atom Xatom_wm_save_yourself; | |
2432 | Atom Xatom_wm_delete_window; | |
2433 | ||
2434 | /* Other WM communication */ | |
2435 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2436 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2437 | ||
d56a553a RS |
2438 | /* Window manager communication. */ |
2439 | Atom Xatom_wm_change_state; | |
2440 | ||
10e6549c RS |
2441 | /* Record the last 100 characters stored |
2442 | to help debug the loss-of-chars-during-GC problem. */ | |
2443 | int temp_index; | |
2444 | short temp_buffer[100]; | |
2445 | ||
dc6f92b8 JB |
2446 | /* Read events coming from the X server. |
2447 | This routine is called by the SIGIO handler. | |
2448 | We return as soon as there are no more events to be read. | |
2449 | ||
2450 | Events representing keys are stored in buffer BUFP, | |
2451 | which can hold up to NUMCHARS characters. | |
2452 | We return the number of characters stored into the buffer, | |
2453 | thus pretending to be `read'. | |
2454 | ||
2455 | WAITP is nonzero if we should block until input arrives. | |
2456 | EXPECTED is nonzero if the caller knows input is available. */ | |
2457 | ||
7c5283e4 | 2458 | int |
dc6f92b8 JB |
2459 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2460 | register int sd; | |
2461 | register struct input_event *bufp; | |
2462 | register int numchars; | |
2463 | int waitp; | |
2464 | int expected; | |
2465 | { | |
2466 | int count = 0; | |
2467 | int nbytes = 0; | |
2468 | int mask; | |
2469 | int items_pending; /* How many items are in the X queue. */ | |
2470 | XEvent event; | |
f676886a | 2471 | struct frame *f; |
dc6f92b8 JB |
2472 | int event_found; |
2473 | int prefix; | |
2474 | Lisp_Object part; | |
2475 | ||
9ac0d9e0 | 2476 | if (interrupt_input_blocked) |
dc6f92b8 | 2477 | { |
9ac0d9e0 | 2478 | interrupt_input_pending = 1; |
dc6f92b8 JB |
2479 | return -1; |
2480 | } | |
2481 | ||
9ac0d9e0 | 2482 | interrupt_input_pending = 0; |
dc6f92b8 JB |
2483 | BLOCK_INPUT; |
2484 | ||
2485 | if (numchars <= 0) | |
2486 | abort (); /* Don't think this happens. */ | |
2487 | ||
2488 | #ifdef FIOSNBIO | |
2489 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2490 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2491 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2492 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2493 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2494 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2495 | |
2496 | #ifndef SIGIO | |
2497 | #ifndef HAVE_SELECT | |
2498 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2499 | { | |
2500 | extern int read_alarm_should_throw; | |
2501 | read_alarm_should_throw = 1; | |
2502 | XPeekEvent (XDISPLAY &event); | |
2503 | read_alarm_should_throw = 0; | |
2504 | } | |
c118dd06 JB |
2505 | #endif /* HAVE_SELECT */ |
2506 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2507 | |
2508 | while (XStuffPending () != 0) | |
2509 | { | |
2510 | XNextEvent (XDISPLAY &event); | |
2511 | event_found = 1; | |
2512 | ||
2513 | switch (event.type) | |
2514 | { | |
2515 | #ifdef HAVE_X11 | |
c047688c JA |
2516 | case ClientMessage: |
2517 | { | |
2518 | if (event.xclient.message_type == Xatom_wm_protocols | |
2519 | && event.xclient.format == 32) | |
2520 | { | |
2521 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2522 | { | |
f676886a JB |
2523 | f = x_window_to_frame (event.xclient.window); |
2524 | if (f) | |
2525 | x_focus_on_frame (f); | |
ab648270 | 2526 | /* Not certain about handling scroll bars here */ |
c047688c JA |
2527 | } |
2528 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2529 | { | |
2530 | /* Save state modify the WM_COMMAND property to | |
2531 | something which can reinstate us. This notifies | |
2532 | the session manager, who's looking for such a | |
2533 | PropertyNotify. Can restart processing when | |
2534 | a keyboard or mouse event arrives. */ | |
2535 | if (numchars > 0) | |
2536 | { | |
2537 | } | |
2538 | } | |
2539 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2540 | { | |
f676886a | 2541 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2542 | |
f676886a | 2543 | if (f) |
c047688c JA |
2544 | if (numchars > 0) |
2545 | { | |
2546 | } | |
2547 | } | |
2548 | } | |
2549 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2550 | { | |
2551 | } | |
2552 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2553 | { | |
2554 | int new_x, new_y; | |
2555 | ||
4357eba7 JB |
2556 | new_x = event.xclient.data.s[0]; |
2557 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2558 | } |
2559 | } | |
2560 | break; | |
dc6f92b8 | 2561 | |
d56a553a RS |
2562 | #ifdef NEW_SELECTIONS |
2563 | case SelectionNotify: | |
2564 | x_handle_selection_notify (&event); | |
2565 | break; | |
2566 | #endif | |
2567 | ||
dc6f92b8 | 2568 | case SelectionClear: /* Someone has grabbed ownership. */ |
d56a553a RS |
2569 | #ifdef NEW_SELECTIONS |
2570 | { | |
2571 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
2572 | ||
2573 | if (numchars == 0) | |
2574 | abort (); | |
2575 | ||
2576 | bufp->kind = selection_clear_event; | |
2577 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2578 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2579 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2580 | bufp++; | |
2581 | ||
2582 | count += 1; | |
2583 | numchars -= 1; | |
2584 | } | |
2585 | #else | |
dc6f92b8 JB |
2586 | x_disown_selection (event.xselectionclear.window, |
2587 | event.xselectionclear.selection, | |
2588 | event.xselectionclear.time); | |
d56a553a | 2589 | #endif |
dc6f92b8 JB |
2590 | break; |
2591 | ||
2592 | case SelectionRequest: /* Someone wants our selection. */ | |
d56a553a RS |
2593 | #ifdef NEW_SELECTIONS |
2594 | { | |
2595 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
2596 | ||
2597 | if (numchars == 0) | |
2598 | abort (); | |
2599 | ||
2600 | bufp->kind = selection_request_event; | |
2601 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2602 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
2603 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2604 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
2605 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
2606 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2607 | bufp++; | |
2608 | ||
2609 | count += 1; | |
2610 | numchars -= 1; | |
2611 | } | |
2612 | #else | |
dc6f92b8 | 2613 | x_answer_selection_request (event); |
d56a553a | 2614 | #endif |
dc6f92b8 JB |
2615 | break; |
2616 | ||
2617 | case PropertyNotify: | |
d56a553a RS |
2618 | #ifdef NEW_SELECTIONS |
2619 | x_handle_property_notify (&event); | |
2620 | #else | |
28430d3c JB |
2621 | /* If we're being told about a root window property, then it's |
2622 | a cut buffer change. */ | |
2623 | if (event.xproperty.window == ROOT_WINDOW) | |
2624 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2625 | ||
2626 | /* Otherwise, we're probably handling an incremental | |
2627 | selection transmission. */ | |
2628 | else | |
2629 | { | |
2630 | /* If we were to do this synchronously, there'd be no worry | |
2631 | about re-selecting. */ | |
2632 | x_send_incremental (event); | |
2633 | } | |
d56a553a | 2634 | #endif |
dc6f92b8 JB |
2635 | break; |
2636 | ||
2637 | case Expose: | |
f676886a JB |
2638 | f = x_window_to_frame (event.xexpose.window); |
2639 | if (f) | |
dc6f92b8 | 2640 | { |
3a88c238 | 2641 | if (f->async_visible == 0) |
dc6f92b8 | 2642 | { |
3a88c238 JB |
2643 | f->async_visible = 1; |
2644 | f->async_iconified = 0; | |
f676886a | 2645 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2646 | } |
2647 | else | |
f451eb13 JB |
2648 | { |
2649 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2650 | event.xexpose.x, event.xexpose.y, | |
2651 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2652 | } |
2653 | } | |
2654 | else | |
2655 | { | |
ab648270 JB |
2656 | struct scroll_bar *bar |
2657 | = x_window_to_scroll_bar (event.xexpose.window); | |
f451eb13 JB |
2658 | |
2659 | if (bar) | |
ab648270 | 2660 | x_scroll_bar_expose (bar, &event); |
dc6f92b8 JB |
2661 | } |
2662 | break; | |
2663 | ||
2664 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2665 | source area was obscured or not | |
2666 | available.*/ | |
f451eb13 JB |
2667 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2668 | if (f) | |
2669 | { | |
2670 | dumprectangle (f, | |
2671 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2672 | event.xgraphicsexpose.width, | |
2673 | event.xgraphicsexpose.height); | |
f451eb13 | 2674 | } |
dc6f92b8 JB |
2675 | break; |
2676 | ||
2677 | case NoExpose: /* This occurs when an XCopyArea's | |
2678 | source area was completely | |
2679 | available */ | |
2680 | break; | |
c118dd06 | 2681 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2682 | case ExposeWindow: |
2683 | if (event.subwindow != 0) | |
2684 | break; /* duplicate event */ | |
f676886a JB |
2685 | f = x_window_to_frame (event.window); |
2686 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2687 | { |
f676886a | 2688 | refreshicon (f); |
3a88c238 | 2689 | f->async_iconified = 1; |
dc6f92b8 | 2690 | } |
c118dd06 | 2691 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2692 | { |
2693 | /* Say must check all windows' needs_exposure flags. */ | |
2694 | expose_all_windows = 1; | |
f676886a | 2695 | f->display.x->needs_exposure = 1; |
3a88c238 | 2696 | f->async_visible = 1; |
dc6f92b8 JB |
2697 | } |
2698 | break; | |
2699 | ||
2700 | case ExposeRegion: | |
2701 | if (event.subwindow != 0) | |
2702 | break; /* duplicate event */ | |
f676886a JB |
2703 | f = x_window_to_frame (event.window); |
2704 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2705 | { |
f676886a | 2706 | refreshicon (f); |
dc6f92b8 JB |
2707 | break; |
2708 | } | |
2709 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2710 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2711 | break; |
2712 | /* Put the event on the queue of rectangles to redraw. */ | |
2713 | if (enqueue_event (&event, &x_expose_queue)) | |
2714 | /* If it is full, we can't record the rectangle, | |
2715 | so redraw this entire window. */ | |
2716 | { | |
2717 | /* Say must check all windows' needs_exposure flags. */ | |
2718 | expose_all_windows = 1; | |
f676886a | 2719 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2720 | } |
2721 | break; | |
2722 | ||
2723 | case ExposeCopy: | |
2724 | /* This should happen only when we are expecting it, | |
2725 | in x_read_exposes. */ | |
2726 | abort (); | |
c118dd06 | 2727 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2728 | |
2729 | #ifdef HAVE_X11 | |
2730 | case UnmapNotify: | |
f451eb13 JB |
2731 | f = x_window_to_frame (event.xunmap.window); |
2732 | if (f) /* F may no longer exist if | |
f676886a | 2733 | the frame was deleted. */ |
f451eb13 JB |
2734 | { |
2735 | /* While a frame is unmapped, display generation is | |
2736 | disabled; you don't want to spend time updating a | |
2737 | display that won't ever be seen. */ | |
2738 | f->async_visible = 0; | |
2739 | } | |
dc6f92b8 JB |
2740 | break; |
2741 | ||
2742 | case MapNotify: | |
f676886a JB |
2743 | f = x_window_to_frame (event.xmap.window); |
2744 | if (f) | |
dc6f92b8 | 2745 | { |
3a88c238 JB |
2746 | f->async_visible = 1; |
2747 | f->async_iconified = 0; | |
dc6f92b8 JB |
2748 | |
2749 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2750 | the frame's display structures. */ |
2751 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2752 | } |
2753 | break; | |
2754 | ||
2755 | /* Turn off processing if we become fully obscured. */ | |
2756 | case VisibilityNotify: | |
2757 | break; | |
2758 | ||
c118dd06 | 2759 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2760 | case UnmapWindow: |
f676886a JB |
2761 | f = x_window_to_frame (event.window); |
2762 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2763 | f->async_iconified = 0; |
c118dd06 | 2764 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2765 | f->async_visible = 0; |
dc6f92b8 | 2766 | break; |
c118dd06 | 2767 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2768 | |
2769 | #ifdef HAVE_X11 | |
2770 | case KeyPress: | |
f676886a | 2771 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2772 | |
f676886a | 2773 | if (f != 0) |
dc6f92b8 JB |
2774 | { |
2775 | KeySym keysym; | |
dc6f92b8 | 2776 | char copy_buffer[80]; |
64bb1782 RS |
2777 | int modifiers; |
2778 | ||
2779 | event.xkey.state |= extra_keyboard_modifiers; | |
2780 | modifiers = event.xkey.state; | |
3a2712f9 JB |
2781 | |
2782 | /* Some keyboards generate different characters | |
2783 | depending on the state of the meta key, in an attempt | |
2784 | to support non-English typists. It would be nice to | |
2785 | keep this functionality somehow, but for now, we will | |
2786 | just clear the meta-key flag to get the 'pure' character. */ | |
2787 | event.xkey.state &= ~Mod1Mask; | |
dc6f92b8 | 2788 | |
11edeb03 JB |
2789 | /* This will have to go some day... */ |
2790 | nbytes = | |
2791 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2792 | &compose_status); | |
dc6f92b8 | 2793 | |
55123275 JB |
2794 | /* Strip off the vendor-specific keysym bit, and take a shot |
2795 | at recognizing the codes. HP servers have extra keysyms | |
2796 | that fit into the MiscFunctionKey category. */ | |
2797 | keysym &= ~(1<<28); | |
2798 | ||
dc6f92b8 JB |
2799 | if (numchars > 1) |
2800 | { | |
a3c44b14 RS |
2801 | if ((keysym >= XK_BackSpace && keysym <= XK_Escape) |
2802 | || keysym == XK_Delete | |
2803 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
55123275 JB |
2804 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < 0xff80 */ |
2805 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ | |
2806 | || IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */ | |
dc6f92b8 | 2807 | { |
10e6549c RS |
2808 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2809 | temp_index = 0; | |
2810 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 2811 | bufp->kind = non_ascii_keystroke; |
a3c44b14 | 2812 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff00); |
12ba150f | 2813 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
3a2712f9 | 2814 | bufp->modifiers = x_convert_modifiers (modifiers); |
1113d9db | 2815 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2816 | bufp++; |
2817 | count++; | |
2818 | numchars--; | |
2819 | } | |
2820 | else if (numchars > nbytes) | |
2821 | { | |
2822 | register int i; | |
2823 | ||
10e6549c | 2824 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 2825 | { |
10e6549c RS |
2826 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2827 | temp_index = 0; | |
2828 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 2829 | bufp->kind = ascii_keystroke; |
10e6549c | 2830 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); |
12ba150f | 2831 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
80ec1ba2 | 2832 | bufp->modifiers = x_convert_modifiers (modifiers); |
1113d9db | 2833 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2834 | bufp++; |
2835 | } | |
dc6f92b8 JB |
2836 | |
2837 | count += nbytes; | |
2838 | numchars -= nbytes; | |
2839 | } | |
10e6549c RS |
2840 | else |
2841 | abort (); | |
dc6f92b8 | 2842 | } |
10e6549c RS |
2843 | else |
2844 | abort (); | |
dc6f92b8 JB |
2845 | } |
2846 | break; | |
c118dd06 | 2847 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2848 | case KeyPressed: |
2849 | { | |
2850 | register char *where_mapping; | |
2851 | ||
f676886a | 2852 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2853 | /* Ignore keys typed on icon windows. */ |
f676886a | 2854 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2855 | break; |
2856 | where_mapping = XLookupMapping (&event, &nbytes); | |
2857 | /* Nasty fix for arrow keys */ | |
2858 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2859 | { | |
2860 | switch (event.detail & 0xff) | |
2861 | { | |
2862 | case KC_CURSOR_LEFT: | |
2863 | where_mapping = "\002"; | |
2864 | break; | |
2865 | case KC_CURSOR_RIGHT: | |
2866 | where_mapping = "\006"; | |
2867 | break; | |
2868 | case KC_CURSOR_UP: | |
2869 | where_mapping = "\020"; | |
2870 | break; | |
2871 | case KC_CURSOR_DOWN: | |
2872 | where_mapping = "\016"; | |
2873 | break; | |
2874 | } | |
2875 | nbytes = 1; | |
2876 | } | |
2877 | if (numchars - nbytes > 0) | |
2878 | { | |
2879 | register int i; | |
2880 | ||
2881 | for (i = 0; i < nbytes; i++) | |
2882 | { | |
2883 | bufp->kind = ascii_keystroke; | |
2884 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2885 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 2886 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
2887 | bufp++; |
2888 | } | |
2889 | count += nbytes; | |
2890 | numchars -= nbytes; | |
2891 | } | |
2892 | } | |
2893 | break; | |
c118dd06 | 2894 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2895 | |
2896 | #ifdef HAVE_X11 | |
f451eb13 JB |
2897 | |
2898 | /* Here's a possible interpretation of the whole | |
2899 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
2900 | FocusIn event, you have to get a FocusOut event before you | |
2901 | relinquish the focus. If you haven't received a FocusIn event, | |
2902 | then a mere LeaveNotify is enough to free you. */ | |
2903 | ||
dc6f92b8 | 2904 | case EnterNotify: |
f676886a | 2905 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 2906 | |
f451eb13 | 2907 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 2908 | { |
dc6f92b8 | 2909 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
2910 | if (f && (!(f->auto_raise) |
2911 | || !(f->auto_lower) | |
dc6f92b8 JB |
2912 | || (event.xcrossing.time - enter_timestamp) > 500)) |
2913 | { | |
f676886a | 2914 | x_new_focus_frame (f); |
dc6f92b8 JB |
2915 | enter_timestamp = event.xcrossing.time; |
2916 | } | |
dc6f92b8 | 2917 | } |
f676886a JB |
2918 | else if (f == x_focus_frame) |
2919 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2920 | |
2921 | break; | |
2922 | ||
2923 | case FocusIn: | |
f676886a | 2924 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2925 | if (event.xfocus.detail != NotifyPointer) |
2926 | x_focus_event_frame = f; | |
f676886a JB |
2927 | if (f) |
2928 | x_new_focus_frame (f); | |
dc6f92b8 JB |
2929 | break; |
2930 | ||
f451eb13 | 2931 | |
dc6f92b8 | 2932 | case LeaveNotify: |
f451eb13 | 2933 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 2934 | |
f451eb13 JB |
2935 | if (event.xcrossing.focus) |
2936 | { | |
2937 | if (! x_focus_event_frame) | |
2938 | x_new_focus_frame (0); | |
2939 | else | |
f676886a | 2940 | x_new_focus_frame (f); |
f451eb13 JB |
2941 | } |
2942 | else | |
2943 | { | |
2944 | if (f == x_focus_event_frame) | |
2945 | x_focus_event_frame = 0; | |
2946 | if (f == x_focus_frame) | |
f676886a | 2947 | x_new_focus_frame (0); |
dc6f92b8 JB |
2948 | } |
2949 | break; | |
2950 | ||
2951 | case FocusOut: | |
f676886a | 2952 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2953 | if (event.xfocus.detail != NotifyPointer |
2954 | && f == x_focus_event_frame) | |
2955 | x_focus_event_frame = 0; | |
f676886a JB |
2956 | if (f && f == x_focus_frame) |
2957 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2958 | break; |
2959 | ||
c118dd06 | 2960 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2961 | |
2962 | case EnterWindow: | |
2963 | if ((event.detail & 0xFF) == 1) | |
2964 | break; /* Coming from our own subwindow */ | |
2965 | if (event.subwindow != 0) | |
2966 | break; /* Entering our own subwindow. */ | |
2967 | ||
2968 | { | |
f676886a JB |
2969 | f = x_window_to_frame (event.window); |
2970 | x_mouse_frame = f; | |
dc6f92b8 | 2971 | |
f676886a | 2972 | x_new_focus_frame (f); |
dc6f92b8 JB |
2973 | } |
2974 | break; | |
2975 | ||
2976 | case LeaveWindow: | |
2977 | if ((event.detail & 0xFF) == 1) | |
2978 | break; /* Entering our own subwindow */ | |
2979 | if (event.subwindow != 0) | |
2980 | break; /* Leaving our own subwindow. */ | |
2981 | ||
f676886a JB |
2982 | x_mouse_frame = 0; |
2983 | if (x_focus_frame == 0 | |
2984 | && x_input_frame != 0 | |
2985 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 2986 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 2987 | { |
f676886a JB |
2988 | f = x_input_frame; |
2989 | x_input_frame = 0; | |
2990 | if (f) | |
2991 | frame_unhighlight (f); | |
dc6f92b8 JB |
2992 | } |
2993 | break; | |
c118dd06 | 2994 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2995 | |
2996 | #ifdef HAVE_X11 | |
2997 | case MotionNotify: | |
2998 | { | |
f676886a JB |
2999 | f = x_window_to_frame (event.xmotion.window); |
3000 | if (f) | |
12ba150f | 3001 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 3002 | else |
dc6f92b8 | 3003 | { |
ab648270 JB |
3004 | struct scroll_bar *bar = |
3005 | x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3006 | |
3007 | if (bar) | |
ab648270 | 3008 | x_scroll_bar_note_movement (bar, &event); |
dc6f92b8 | 3009 | } |
dc6f92b8 JB |
3010 | } |
3011 | break; | |
3012 | ||
3013 | case ConfigureNotify: | |
dbc4e1c1 JB |
3014 | f = x_window_to_frame (event.xconfigure.window); |
3015 | if (f) | |
3016 | { | |
3017 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3018 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3019 | ||
3020 | /* Even if the number of character rows and columns has | |
3021 | not changed, the font size may have changed, so we need | |
3022 | to check the pixel dimensions as well. */ | |
3023 | if (columns != f->width | |
3024 | || rows != f->height | |
3025 | || event.xconfigure.width != f->display.x->pixel_width | |
3026 | || event.xconfigure.height != f->display.x->pixel_height) | |
3027 | { | |
3028 | change_frame_size (f, rows, columns, 0, 1); | |
3029 | SET_FRAME_GARBAGED (f); | |
3030 | } | |
dc6f92b8 | 3031 | |
dbc4e1c1 JB |
3032 | f->display.x->pixel_width = event.xconfigure.width; |
3033 | f->display.x->pixel_height = event.xconfigure.height; | |
3034 | f->display.x->left_pos = event.xconfigure.x; | |
3035 | f->display.x->top_pos = event.xconfigure.y; | |
3036 | } | |
3037 | break; | |
dc6f92b8 JB |
3038 | |
3039 | case ButtonPress: | |
3040 | case ButtonRelease: | |
3041 | { | |
3042 | /* If we decide we want to generate an event to be seen | |
3043 | by the rest of Emacs, we put it here. */ | |
3044 | struct input_event emacs_event; | |
3045 | emacs_event.kind = no_event; | |
3046 | ||
f676886a JB |
3047 | f = x_window_to_frame (event.xbutton.window); |
3048 | if (f) | |
f451eb13 JB |
3049 | { |
3050 | if (!x_focus_frame || (f == x_focus_frame)) | |
3051 | construct_mouse_click (&emacs_event, | |
b10fd412 | 3052 | &event, f); |
f451eb13 | 3053 | } |
dc6f92b8 | 3054 | else |
f451eb13 | 3055 | { |
ab648270 JB |
3056 | struct scroll_bar *bar = |
3057 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3058 | |
3059 | if (bar) | |
ab648270 | 3060 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
f451eb13 | 3061 | } |
dc6f92b8 JB |
3062 | |
3063 | if (numchars >= 1 && emacs_event.kind != no_event) | |
3064 | { | |
3065 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3066 | bufp++; | |
3067 | count++; | |
3068 | numchars--; | |
3069 | } | |
3070 | } | |
3071 | break; | |
3072 | ||
c118dd06 | 3073 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3074 | case ButtonPressed: |
3075 | case ButtonReleased: | |
f676886a JB |
3076 | f = x_window_to_frame (event.window); |
3077 | if (f) | |
dc6f92b8 | 3078 | { |
f676886a | 3079 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 3080 | { |
f676886a | 3081 | x_make_frame_visible (f); |
dc6f92b8 JB |
3082 | |
3083 | if (warp_mouse_on_deiconify) | |
c118dd06 | 3084 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
3085 | break; |
3086 | } | |
c118dd06 | 3087 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 3088 | { |
f676886a JB |
3089 | if (f->auto_raise) |
3090 | x_raise_frame (f); | |
dc6f92b8 JB |
3091 | } |
3092 | } | |
3093 | enqueue_event (&event, &x_mouse_queue); | |
3094 | if (numchars >= 2) | |
3095 | { | |
3096 | bufp->kind = ascii_keystroke; | |
3097 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 3098 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3099 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3100 | bufp++; |
3101 | ||
3102 | bufp->kind = ascii_keystroke; | |
3103 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 3104 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3105 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3106 | bufp++; |
3107 | ||
3108 | count += 2; | |
3109 | numchars -= 2; | |
3110 | } | |
3111 | break; | |
c118dd06 | 3112 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3113 | |
3114 | #ifdef HAVE_X11 | |
3115 | ||
3116 | case CirculateNotify: | |
3117 | break; | |
3118 | case CirculateRequest: | |
3119 | break; | |
3120 | ||
c118dd06 | 3121 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3122 | |
3123 | case MappingNotify: | |
11edeb03 JB |
3124 | /* Someone has changed the keyboard mapping - update the |
3125 | local cache. */ | |
3126 | switch (event.xmapping.request) | |
3127 | { | |
3128 | case MappingModifier: | |
3129 | x_find_modifier_meanings (); | |
3130 | /* This is meant to fall through. */ | |
3131 | case MappingKeyboard: | |
3132 | XRefreshKeyboardMapping (&event.xmapping); | |
3133 | } | |
dc6f92b8 JB |
3134 | break; |
3135 | ||
3136 | default: | |
3137 | break; | |
3138 | } | |
3139 | } | |
3140 | ||
3141 | #if 0 | |
3142 | #ifdef HAVE_SELECT | |
3143 | if (expected && ! event_found) | |
3144 | { | |
3145 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3146 | there is an EOF condition; in other words, that X has died. | |
3147 | Act as if there had been a hangup. */ | |
3148 | ||
3149 | int fd = ConnectionNumber (x_current_display); | |
3150 | int mask = 1 << fd; | |
3151 | ||
3152 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 3153 | (EMACS_TIME) 0) |
dc6f92b8 JB |
3154 | && !XStuffPending ()) |
3155 | kill (getpid (), SIGHUP); | |
3156 | } | |
c118dd06 JB |
3157 | #endif /* ! defined (HAVE_SELECT) */ |
3158 | #endif /* ! 0 */ | |
dc6f92b8 | 3159 | |
f451eb13 | 3160 | #ifndef HAVE_X11 |
f676886a | 3161 | if (updating_frame == 0) |
dc6f92b8 | 3162 | x_do_pending_expose (); |
f451eb13 | 3163 | #endif |
dc6f92b8 JB |
3164 | |
3165 | UNBLOCK_INPUT; | |
3166 | return count; | |
3167 | } | |
3168 | ||
3169 | #ifndef HAVE_X11 | |
3170 | /* Read and process only Expose events | |
3171 | until we get an ExposeCopy event; then return. | |
3172 | This is used in insert/delete line. | |
3173 | We assume input is already blocked. */ | |
3174 | ||
3175 | static void | |
3176 | x_read_exposes () | |
3177 | { | |
f676886a | 3178 | struct frame *f; |
dc6f92b8 JB |
3179 | XKeyPressedEvent event; |
3180 | ||
3181 | while (1) | |
3182 | { | |
3183 | /* while there are more events*/ | |
3184 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3185 | switch (event.type) | |
3186 | { | |
3187 | case ExposeWindow: | |
3188 | if (event.subwindow != 0) | |
3189 | break; /* duplicate event */ | |
f676886a JB |
3190 | f = x_window_to_frame (event.window); |
3191 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3192 | { |
f676886a | 3193 | refreshicon (f); |
dc6f92b8 JB |
3194 | break; |
3195 | } | |
c118dd06 | 3196 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3197 | { |
3198 | expose_all_windows = 1; | |
f676886a | 3199 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3200 | break; |
3201 | } | |
3202 | break; | |
3203 | ||
3204 | case ExposeRegion: | |
3205 | if (event.subwindow != 0) | |
3206 | break; /* duplicate event */ | |
f676886a JB |
3207 | f = x_window_to_frame (event.window); |
3208 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3209 | { |
f676886a | 3210 | refreshicon (f); |
dc6f92b8 JB |
3211 | break; |
3212 | } | |
3213 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3214 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3215 | break; |
3216 | /* Put the event on the queue of rectangles to redraw. */ | |
3217 | if (enqueue_event (&event, &x_expose_queue)) | |
3218 | /* If it is full, we can't record the rectangle, | |
3219 | so redraw this entire window. */ | |
3220 | { | |
3221 | /* Say must check all windows' needs_exposure flags. */ | |
3222 | expose_all_windows = 1; | |
f676886a | 3223 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3224 | } |
3225 | break; | |
3226 | ||
3227 | case ExposeCopy: | |
3228 | return; | |
3229 | } | |
3230 | } | |
3231 | } | |
3232 | #endif /* HAVE_X11 */ | |
3233 | ||
dc6f92b8 | 3234 | \f |
f451eb13 JB |
3235 | /* Drawing the cursor. */ |
3236 | ||
3237 | ||
dc6f92b8 JB |
3238 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3239 | ||
3240 | static void | |
f676886a JB |
3241 | x_draw_box (f) |
3242 | struct frame *f; | |
dc6f92b8 | 3243 | { |
12ba150f JB |
3244 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3245 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3246 | int width = FONT_WIDTH (f->display.x->font); |
3247 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3248 | |
3249 | #ifdef HAVE_X11 | |
c118dd06 | 3250 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3251 | f->display.x->cursor_gc, |
dc6f92b8 | 3252 | left, top, width - 1, height - 1); |
c118dd06 JB |
3253 | #else /* ! defined (HAVE_X11) */ |
3254 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3255 | left, top, width, 1, |
f676886a | 3256 | f->display.x->cursor_pixel); |
dc6f92b8 | 3257 | |
c118dd06 | 3258 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3259 | left, top, 1, height, |
f676886a | 3260 | f->display.x->cursor_pixel); |
dc6f92b8 | 3261 | |
c118dd06 | 3262 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3263 | left+width-1, top, 1, height, |
f676886a | 3264 | f->display.x->cursor_pixel); |
dc6f92b8 | 3265 | |
c118dd06 | 3266 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3267 | left, top+height-1, width, 1, |
f676886a | 3268 | f->display.x->cursor_pixel); |
c118dd06 | 3269 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3270 | } |
3271 | ||
f676886a | 3272 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3273 | and mark the cursor as not shown. |
3274 | This is used when the text where the cursor is | |
3275 | is about to be rewritten. */ | |
3276 | ||
3277 | static void | |
f676886a JB |
3278 | clear_cursor (f) |
3279 | struct frame *f; | |
dc6f92b8 JB |
3280 | { |
3281 | int mask; | |
3282 | ||
f451eb13 | 3283 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3284 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3285 | return; |
3286 | ||
3287 | #ifdef HAVE_X11 | |
f676886a | 3288 | x_display_cursor (f, 0); |
c118dd06 JB |
3289 | #else /* ! defined (HAVE_X11) */ |
3290 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3291 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3292 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3293 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3294 | f->display.x->background_pixel); | |
c118dd06 | 3295 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3296 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3297 | } |
3298 | ||
f676886a | 3299 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3300 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3301 | glyph drawn. */ | |
dc6f92b8 JB |
3302 | |
3303 | static void | |
f676886a JB |
3304 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3305 | struct frame *f; | |
dc6f92b8 | 3306 | int row, column; |
90e65f07 | 3307 | GLYPH glyph; |
dc6f92b8 JB |
3308 | int highlight; |
3309 | { | |
f676886a | 3310 | dumpglyphs (f, |
12ba150f JB |
3311 | CHAR_TO_PIXEL_COL (f, column), |
3312 | CHAR_TO_PIXEL_ROW (f, row), | |
f676886a | 3313 | &glyph, 1, highlight, f->display.x->font); |
dc6f92b8 JB |
3314 | } |
3315 | ||
dc6f92b8 | 3316 | static void |
dbc4e1c1 | 3317 | x_display_bar_cursor (f, on) |
f676886a | 3318 | struct frame *f; |
dc6f92b8 JB |
3319 | int on; |
3320 | { | |
f676886a | 3321 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3322 | |
49d838ea JB |
3323 | /* This is pointless on invisible frames, and dangerous on garbaged |
3324 | frames; in the latter case, the frame may be in the midst of | |
3325 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3326 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
3327 | return; |
3328 | ||
3329 | if (! on && f->phys_cursor_x < 0) | |
3330 | return; | |
3331 | ||
f676886a | 3332 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3333 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3334 | if (f != updating_frame) |
1113d9db | 3335 | { |
f676886a JB |
3336 | curs_x = FRAME_CURSOR_X (f); |
3337 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3338 | } |
3339 | ||
dbc4e1c1 JB |
3340 | /* If there is anything wrong with the current cursor state, remove it. */ |
3341 | if (f->phys_cursor_x >= 0 | |
3342 | && (!on | |
3343 | || f->phys_cursor_x != curs_x | |
3344 | || f->phys_cursor_y != curs_y | |
3345 | || f->display.x->current_cursor != bar_cursor)) | |
3346 | { | |
3347 | /* Erase the cursor by redrawing the character underneath it. */ | |
3348 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3349 | f->phys_cursor_glyph, | |
3350 | current_glyphs->highlight[f->phys_cursor_y]); | |
3351 | f->phys_cursor_x = -1; | |
3352 | } | |
3353 | ||
3354 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3355 | if (on | |
3356 | && (f->phys_cursor_x < 0 | |
3357 | || (f->display.x->current_cursor != bar_cursor))) | |
3358 | { | |
3359 | f->phys_cursor_glyph | |
3360 | = ((current_glyphs->enable[curs_y] | |
3361 | && curs_x < current_glyphs->used[curs_y]) | |
3362 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3363 | : SPACEGLYPH); | |
3364 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3365 | f->display.x->cursor_gc, | |
3366 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3367 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3368 | 1, FONT_HEIGHT (f->display.x->font)); | |
3369 | ||
3370 | f->phys_cursor_x = curs_x; | |
3371 | f->phys_cursor_y = curs_y; | |
3372 | ||
3373 | f->display.x->current_cursor = bar_cursor; | |
3374 | } | |
3375 | ||
3376 | if (updating_frame != f) | |
3377 | XFlushQueue (); | |
3378 | } | |
3379 | ||
3380 | ||
3381 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3382 | If ON is nonzero, where to put the cursor is specified | |
3383 | by F->cursor_x and F->cursor_y. */ | |
3384 | ||
3385 | static void | |
3386 | x_display_box_cursor (f, on) | |
3387 | struct frame *f; | |
3388 | int on; | |
3389 | { | |
3390 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3391 | ||
49d838ea JB |
3392 | /* This is pointless on invisible frames, and dangerous on garbaged |
3393 | frames; in the latter case, the frame may be in the midst of | |
3394 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3395 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
3396 | return; |
3397 | ||
3398 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3399 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3400 | return; |
3401 | ||
dbc4e1c1 JB |
3402 | /* If we're not updating, then we want to use the current frame's |
3403 | cursor position, not our local idea of where the cursor ought to be. */ | |
3404 | if (f != updating_frame) | |
3405 | { | |
3406 | curs_x = FRAME_CURSOR_X (f); | |
3407 | curs_y = FRAME_CURSOR_Y (f); | |
3408 | } | |
3409 | ||
dc6f92b8 JB |
3410 | /* If cursor is currently being shown and we don't want it to be |
3411 | or it is in the wrong place, | |
3412 | or we want a hollow box and it's not so, (pout!) | |
3413 | erase it. */ | |
f676886a | 3414 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3415 | && (!on |
f676886a JB |
3416 | || f->phys_cursor_x != curs_x |
3417 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3418 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3419 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3420 | { |
3421 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3422 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3423 | f->phys_cursor_glyph, | |
3424 | current_glyphs->highlight[f->phys_cursor_y]); | |
3425 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3426 | } |
3427 | ||
3428 | /* If we want to show a cursor, | |
3429 | or we want a box cursor and it's not so, | |
3430 | write it in the right place. */ | |
3431 | if (on | |
f676886a | 3432 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3433 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3434 | && f == x_highlight_frame))) |
dc6f92b8 | 3435 | { |
f676886a | 3436 | f->phys_cursor_glyph |
1113d9db JB |
3437 | = ((current_glyphs->enable[curs_y] |
3438 | && curs_x < current_glyphs->used[curs_y]) | |
3439 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3440 | : SPACEGLYPH); |
f676886a | 3441 | if (f != x_highlight_frame) |
dc6f92b8 | 3442 | { |
f676886a | 3443 | x_draw_box (f); |
dbc4e1c1 | 3444 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3445 | } |
3446 | else | |
3447 | { | |
f676886a JB |
3448 | x_draw_single_glyph (f, curs_y, curs_x, |
3449 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3450 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3451 | } |
3452 | ||
f676886a JB |
3453 | f->phys_cursor_x = curs_x; |
3454 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3455 | } |
3456 | ||
f676886a | 3457 | if (updating_frame != f) |
dc6f92b8 JB |
3458 | XFlushQueue (); |
3459 | } | |
3460 | ||
f676886a JB |
3461 | x_display_cursor (f, on) |
3462 | struct frame *f; | |
dc6f92b8 JB |
3463 | int on; |
3464 | { | |
dbc4e1c1 | 3465 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3466 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3467 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3468 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3469 | else |
3470 | /* Those are the only two we have implemented! */ | |
3471 | abort (); | |
dc6f92b8 JB |
3472 | } |
3473 | \f | |
3474 | /* Icons. */ | |
3475 | ||
f676886a | 3476 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3477 | when we get an expose event for it. */ |
3478 | ||
f676886a JB |
3479 | refreshicon (f) |
3480 | struct frame *f; | |
dc6f92b8 JB |
3481 | { |
3482 | #ifdef HAVE_X11 | |
3483 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3484 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3485 | int mask; |
3486 | ||
f676886a JB |
3487 | if (f->display.x->icon_bitmap_flag) |
3488 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3489 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3490 | icon_bitmap, GXcopy, AllPlanes); | |
3491 | else | |
3492 | { | |
f676886a | 3493 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3494 | struct Lisp_String *str; |
3495 | unsigned char *string; | |
3496 | ||
3497 | string | |
f676886a | 3498 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3499 | |
f676886a | 3500 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3501 | { |
f676886a JB |
3502 | f->display.x->icon_label = string; |
3503 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3504 | XQueryWidth (string, icon_font_info->id) + 10, |
3505 | icon_font_info->height + 10); | |
3506 | } | |
3507 | ||
f676886a | 3508 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3509 | str->size, icon_font_info->id, |
3510 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3511 | } | |
3512 | XFlushQueue (); | |
c118dd06 | 3513 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3514 | } |
3515 | ||
dbc4e1c1 | 3516 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
3517 | |
3518 | int | |
f676886a JB |
3519 | x_bitmap_icon (f) |
3520 | struct frame *f; | |
dc6f92b8 JB |
3521 | { |
3522 | int mask; | |
3523 | Window icon_window; | |
3524 | ||
c118dd06 | 3525 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3526 | return 1; |
3527 | ||
3528 | #ifdef HAVE_X11 | |
3529 | if (icon_bitmap) | |
3530 | XFreePixmap (x_current_display, icon_bitmap); | |
3531 | ||
3532 | icon_bitmap = | |
c118dd06 | 3533 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3534 | gnu_bits, gnu_width, gnu_height); |
f676886a JB |
3535 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3536 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3537 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3538 | if (f->display.x->icon_desc) |
dc6f92b8 | 3539 | { |
c118dd06 | 3540 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3541 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3542 | } |
3543 | ||
f676886a | 3544 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3545 | 0, 0, sink_width, sink_height, |
3546 | 2, WhitePixmap, (Pixmap) NULL); | |
3547 | ||
3548 | if (icon_window == 0) | |
3549 | return 1; | |
3550 | ||
c118dd06 | 3551 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3552 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3553 | ||
f676886a JB |
3554 | f->display.x->icon_desc = icon_window; |
3555 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3556 | |
3557 | if (icon_bitmap == 0) | |
3558 | icon_bitmap | |
3559 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3560 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3561 | |
3562 | return 0; | |
3563 | } | |
3564 | ||
3565 | ||
f676886a | 3566 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3567 | |
3568 | int | |
f676886a JB |
3569 | x_text_icon (f, icon_name) |
3570 | struct frame *f; | |
dc6f92b8 JB |
3571 | char *icon_name; |
3572 | { | |
3573 | #ifndef HAVE_X11 | |
3574 | int mask; | |
3575 | int width; | |
3576 | Window icon_window; | |
3577 | char *X_DefaultValue; | |
3578 | Bitmap b1; | |
3579 | ||
dc6f92b8 JB |
3580 | #ifndef WhitePixel |
3581 | #define WhitePixel 1 | |
c118dd06 | 3582 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3583 | |
3584 | #ifndef BlackPixel | |
3585 | #define BlackPixel 0 | |
c118dd06 JB |
3586 | #endif /* BlackPixel */ |
3587 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3588 | |
c118dd06 | 3589 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3590 | return 1; |
3591 | ||
dc6f92b8 JB |
3592 | #ifdef HAVE_X11 |
3593 | if (icon_name) | |
f676886a | 3594 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3595 | else |
f676886a JB |
3596 | if (! f->display.x->icon_label) |
3597 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3598 | |
c118dd06 | 3599 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3600 | (char *) f->display.x->icon_label); |
dc6f92b8 | 3601 | |
f676886a | 3602 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3603 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3604 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
3605 | if (icon_font_info == 0) |
3606 | icon_font_info | |
3607 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 3608 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
3609 | "BodyFont")); |
3610 | ||
f676886a | 3611 | if (f->display.x->icon_desc) |
dc6f92b8 | 3612 | { |
c118dd06 | 3613 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3614 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3615 | } |
3616 | ||
3617 | if (icon_name) | |
f676886a | 3618 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3619 | else |
f676886a JB |
3620 | if (! f->display.x->icon_label) |
3621 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3622 | |
f676886a JB |
3623 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3624 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3625 | f->display.x->left_pos, | |
3626 | f->display.x->top_pos, | |
dc6f92b8 JB |
3627 | width + 10, icon_font_info->height + 10, |
3628 | 2, BlackPixmap, WhitePixmap); | |
3629 | ||
3630 | if (icon_window == 0) | |
3631 | return 1; | |
3632 | ||
c118dd06 | 3633 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3634 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3635 | ||
f676886a JB |
3636 | f->display.x->icon_desc = icon_window; |
3637 | f->display.x->icon_bitmap_flag = 0; | |
3638 | f->display.x->icon_label = 0; | |
c118dd06 | 3639 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3640 | |
3641 | return 0; | |
3642 | } | |
3643 | \f | |
4746118a JB |
3644 | /* Handling X errors. */ |
3645 | ||
12ba150f JB |
3646 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3647 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3648 | |
4746118a | 3649 | static SIGTYPE |
c118dd06 | 3650 | x_connection_closed () |
4746118a JB |
3651 | { |
3652 | if (_Xdebug) | |
3653 | abort (); | |
12ba150f JB |
3654 | |
3655 | shut_down_emacs (0); | |
3656 | ||
3657 | exit (70); | |
4746118a JB |
3658 | } |
3659 | ||
8922af5f JB |
3660 | /* An X error handler which prints an error message and then kills |
3661 | Emacs. This is what's normally installed as Xlib's handler for | |
3662 | protocol errors. */ | |
c118dd06 JB |
3663 | static int |
3664 | x_error_quitter (display, error) | |
3665 | Display *display; | |
3666 | XErrorEvent *error; | |
3667 | { | |
3668 | char buf[256]; | |
dc6f92b8 | 3669 | |
c118dd06 JB |
3670 | /* Note that there is no real way portable across R3/R4 to get the |
3671 | original error handler. */ | |
dc6f92b8 | 3672 | |
c118dd06 JB |
3673 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3674 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3675 | buf, error->request_code); | |
dc6f92b8 | 3676 | |
12ba150f JB |
3677 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3678 | get an X error, so we can figure out why it happened. */ | |
3679 | abort (); | |
3680 | ||
c118dd06 | 3681 | x_connection_closed (); |
dc6f92b8 JB |
3682 | } |
3683 | ||
8922af5f JB |
3684 | /* A handler for X IO errors which prints an error message and then |
3685 | kills Emacs. This is what is always installed as Xlib's handler | |
3686 | for I/O errors. */ | |
3687 | static int | |
3688 | x_io_error_quitter (display) | |
3689 | Display *display; | |
3690 | { | |
3691 | fprintf (stderr, "Connection to X server %s lost.\n", | |
3692 | XDisplayName (DisplayString (display))); | |
3693 | ||
3694 | /* While we're testing Emacs 19, we'll just dump core whenever we | |
3695 | get an X error, so we can figure out why it happened. */ | |
3696 | abort (); | |
3697 | ||
3698 | x_connection_closed (); | |
3699 | } | |
3700 | ||
c118dd06 JB |
3701 | /* A buffer for storing X error messages. */ |
3702 | static char (*x_caught_error_message)[200]; | |
3703 | ||
3704 | /* An X error handler which stores the error message in | |
3705 | x_caught_error_message. This is what's installed when | |
3706 | x_catch_errors is in effect. */ | |
3707 | static int | |
3708 | x_error_catcher (display, error) | |
3709 | Display *display; | |
3710 | XErrorEvent *error; | |
3711 | { | |
3712 | XGetErrorText (display, error->error_code, | |
3713 | *x_caught_error_message, sizeof (*x_caught_error_message)); | |
3714 | } | |
3715 | ||
3716 | ||
3717 | /* Begin trapping X errors. | |
dc6f92b8 | 3718 | |
c118dd06 JB |
3719 | After calling this function, X protocol errors no longer cause |
3720 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3721 | |
c118dd06 JB |
3722 | Calling x_check_errors signals an Emacs error if an X error has |
3723 | occurred since the last call to x_catch_errors or x_check_errors. | |
3724 | ||
3725 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3726 | ||
3727 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3728 | ||
3729 | void | |
3730 | x_catch_errors () | |
dc6f92b8 | 3731 | { |
c118dd06 JB |
3732 | /* Make sure any errors from previous requests have been dealt with. */ |
3733 | XSync (x_current_display, False); | |
dc6f92b8 | 3734 | |
c118dd06 JB |
3735 | /* Set up the error buffer. */ |
3736 | x_caught_error_message = | |
3737 | (char (*)[]) xmalloc (sizeof (*x_caught_error_message)); | |
d872b748 | 3738 | (*x_caught_error_message)[0] = '\0'; |
16bd92ea | 3739 | |
c118dd06 JB |
3740 | /* Install our little error handler. */ |
3741 | XHandleError (x_error_catcher); | |
3742 | } | |
16bd92ea | 3743 | |
c118dd06 JB |
3744 | /* If any X protocol errors have arrived since the last call to |
3745 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3746 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3747 | void | |
3748 | x_check_errors (format) | |
3749 | char *format; | |
3750 | { | |
3751 | /* Make sure to catch any errors incurred so far. */ | |
3752 | XSync (x_current_display, False); | |
16bd92ea | 3753 | |
c118dd06 JB |
3754 | if ((*x_caught_error_message)[0]) |
3755 | { | |
3756 | char buf[256]; | |
3757 | ||
3758 | sprintf (buf, format, *x_caught_error_message); | |
9ac0d9e0 | 3759 | xfree (x_caught_error_message); |
dc6f92b8 | 3760 | |
c118dd06 JB |
3761 | x_uncatch_errors (); |
3762 | error (buf); | |
3763 | } | |
3764 | } | |
3765 | ||
3766 | void | |
3767 | x_uncatch_errors () | |
3768 | { | |
9ac0d9e0 | 3769 | xfree (x_caught_error_message); |
c118dd06 | 3770 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
3771 | } |
3772 | ||
dc6f92b8 JB |
3773 | #if 0 |
3774 | static unsigned int x_wire_count; | |
3775 | x_trace_wire () | |
3776 | { | |
3777 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3778 | } | |
c118dd06 | 3779 | #endif /* ! 0 */ |
dc6f92b8 JB |
3780 | |
3781 | \f | |
f451eb13 JB |
3782 | /* Changing the font of the frame. */ |
3783 | ||
f676886a | 3784 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3785 | to the font named NEWNAME. This is safe to use |
f676886a | 3786 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3787 | |
3788 | #ifdef HAVE_X11 | |
3789 | ||
3790 | /* A table of all the fonts we have already loaded. */ | |
3791 | static XFontStruct **x_font_table; | |
3792 | ||
3793 | /* The current capacity of x_font_table. */ | |
3794 | static int x_font_table_size; | |
3795 | ||
3796 | /* The number of fonts actually stored in x_font_table. | |
3797 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3798 | 0 <= n_fonts <= x_font_table_size. */ | |
3799 | static int n_fonts; | |
3800 | ||
f676886a JB |
3801 | x_new_font (f, fontname) |
3802 | struct frame *f; | |
dc6f92b8 JB |
3803 | register char *fontname; |
3804 | { | |
3805 | XFontStruct *temp; | |
3806 | int already_loaded; | |
3807 | int n_matching_fonts; | |
3808 | XFontStruct *font_info; | |
3809 | char **font_names; | |
3810 | ||
3811 | /* Get a list of all the fonts that match this name. Once we | |
3812 | have a list of matching fonts, we compare them against the fonts | |
3813 | we already have by comparing font ids. */ | |
3814 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3815 | 1024, &n_matching_fonts, | |
3816 | &font_info); | |
3817 | /* If the server couldn't find any fonts whose named matched fontname, | |
3818 | return an error code. */ | |
3819 | if (n_matching_fonts == 0) | |
3820 | return 1; | |
3821 | ||
90e65f07 | 3822 | /* See if we've already loaded a matching font. */ |
dc6f92b8 JB |
3823 | { |
3824 | int i, j; | |
3825 | ||
3826 | already_loaded = 0; | |
3827 | for (i = 0; i < n_fonts; i++) | |
3828 | for (j = 0; j < n_matching_fonts; j++) | |
3829 | if (x_font_table[i]->fid == font_info[j].fid) | |
3830 | { | |
3831 | already_loaded = i; | |
3832 | goto found_font; | |
3833 | } | |
3834 | } | |
3835 | found_font: | |
3836 | ||
3837 | /* If we have, just return it from the table. */ | |
3838 | if (already_loaded) | |
f676886a | 3839 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3840 | |
dc6f92b8 JB |
3841 | /* Otherwise, load the font and add it to the table. */ |
3842 | else | |
3843 | { | |
3844 | XFontStruct *font; | |
3845 | ||
3846 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); | |
3847 | if (! font) | |
3848 | return 1; | |
3849 | ||
3850 | /* Do we need to create the table? */ | |
3851 | if (x_font_table_size == 0) | |
3852 | { | |
3853 | x_font_table_size = 16; | |
3854 | x_font_table | |
3855 | = (XFontStruct **) xmalloc (x_font_table_size | |
3856 | * sizeof (x_font_table[0])); | |
3857 | } | |
3858 | /* Do we need to grow the table? */ | |
3859 | else if (n_fonts >= x_font_table_size) | |
3860 | { | |
90e65f07 | 3861 | x_font_table_size *= 2; |
dc6f92b8 JB |
3862 | x_font_table |
3863 | = (XFontStruct **) xrealloc (x_font_table, | |
3864 | (x_font_table_size | |
3865 | * sizeof (x_font_table[0]))); | |
3866 | } | |
3867 | ||
f676886a | 3868 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
3869 | } |
3870 | ||
3871 | /* Free the information from XListFontsWithInfo. The data | |
3872 | we actually retain comes from XLoadQueryFont. */ | |
3873 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
3874 | ||
f676886a | 3875 | /* Now make the frame display the given font. */ |
c118dd06 | 3876 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 3877 | { |
f676886a JB |
3878 | XSetFont (x_current_display, f->display.x->normal_gc, |
3879 | f->display.x->font->fid); | |
3880 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
3881 | f->display.x->font->fid); | |
3882 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
3883 | f->display.x->font->fid); | |
3884 | ||
3885 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
3886 | } |
3887 | ||
3888 | return 0; | |
3889 | } | |
c118dd06 | 3890 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
3891 | x_new_font (f, newname) |
3892 | struct frame *f; | |
dc6f92b8 JB |
3893 | register char *newname; |
3894 | { | |
3895 | FONT_TYPE *temp; | |
3896 | int mask; | |
3897 | ||
3898 | temp = XGetFont (newname); | |
3899 | if (temp == (FONT_TYPE *) 0) | |
3900 | return 1; | |
3901 | ||
f676886a JB |
3902 | if (f->display.x->font) |
3903 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 3904 | |
f676886a | 3905 | f->display.x->font = temp; |
dc6f92b8 | 3906 | |
c118dd06 | 3907 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 3908 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
3909 | |
3910 | return 0; | |
3911 | } | |
c118dd06 | 3912 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3913 | \f |
f451eb13 JB |
3914 | /* X Window sizes and positions. */ |
3915 | ||
f676886a JB |
3916 | x_calc_absolute_position (f) |
3917 | struct frame *f; | |
dc6f92b8 JB |
3918 | { |
3919 | #ifdef HAVE_X11 | |
f676886a JB |
3920 | if (f->display.x->left_pos < 0) |
3921 | f->display.x->left_pos | |
7c5283e4 | 3922 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 3923 | |
f676886a JB |
3924 | if (f->display.x->top_pos < 0) |
3925 | f->display.x->top_pos | |
7c5283e4 | 3926 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 3927 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3928 | WINDOWINFO_TYPE parentinfo; |
3929 | ||
c118dd06 | 3930 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 3931 | |
f676886a JB |
3932 | if (f->display.x->left_pos < 0) |
3933 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
3934 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 3935 | |
f676886a JB |
3936 | if (f->display.x->top_pos < 0) |
3937 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
3938 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 3939 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3940 | } |
3941 | ||
f676886a JB |
3942 | x_set_offset (f, xoff, yoff) |
3943 | struct frame *f; | |
dc6f92b8 JB |
3944 | register int xoff, yoff; |
3945 | { | |
f676886a JB |
3946 | f->display.x->top_pos = yoff; |
3947 | f->display.x->left_pos = xoff; | |
3948 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
3949 | |
3950 | BLOCK_INPUT; | |
c118dd06 | 3951 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 3952 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 3953 | #ifdef HAVE_X11 |
f676886a | 3954 | x_wm_set_size_hint (f, 0); |
c118dd06 | 3955 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3956 | UNBLOCK_INPUT; |
3957 | } | |
3958 | ||
f676886a | 3959 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 3960 | |
f676886a JB |
3961 | x_set_window_size (f, cols, rows) |
3962 | struct frame *f; | |
b1c884c3 | 3963 | int cols, rows; |
dc6f92b8 JB |
3964 | { |
3965 | int pixelwidth, pixelheight; | |
3966 | int mask; | |
dc6f92b8 JB |
3967 | |
3968 | BLOCK_INPUT; | |
3969 | ||
b1c884c3 | 3970 | check_frame_size (f, &rows, &cols); |
ab648270 JB |
3971 | f->display.x->vertical_scroll_bar_extra = |
3972 | (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
3973 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
f451eb13 JB |
3974 | : 0); |
3975 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
3976 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
3977 | |
3978 | #ifdef HAVE_X11 | |
f676886a | 3979 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
3980 | #endif /* ! defined (HAVE_X11) */ |
3981 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
3982 | |
3983 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
3984 | but the window manager will get around to dealing with the size | |
3985 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
3986 | ConfigureNotify event gets here. |
3987 | ||
3988 | We could just not bother storing any of this information here, | |
3989 | and let the ConfigureNotify event set everything up, but that | |
3990 | might be kind of confusing to the lisp code, since size changes | |
3991 | wouldn't be reported in the frame parameters until some random | |
3992 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 3993 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
3994 | PIXEL_WIDTH (f) = pixelwidth; |
3995 | PIXEL_HEIGHT (f) = pixelheight; | |
3996 | ||
dbc4e1c1 JB |
3997 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
3998 | receive in the ConfigureNotify event; if we get what we asked | |
3999 | for, then the event won't cause the screen to become garbaged, so | |
4000 | we have to make sure to do it here. */ | |
4001 | SET_FRAME_GARBAGED (f); | |
4002 | ||
dc6f92b8 JB |
4003 | XFlushQueue (); |
4004 | UNBLOCK_INPUT; | |
4005 | } | |
4006 | ||
4007 | #ifndef HAVE_X11 | |
f676886a JB |
4008 | x_set_resize_hint (f) |
4009 | struct frame *f; | |
dc6f92b8 | 4010 | { |
12ba150f JB |
4011 | XSetResizeHint (FRAME_X_WINDOW (f), |
4012 | 2 * f->display.x->internal_border_width, | |
f676886a | 4013 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
4014 | FONT_WIDTH (f->display.x->font), |
4015 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 4016 | } |
c118dd06 | 4017 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4018 | \f |
f451eb13 | 4019 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4020 | |
f676886a JB |
4021 | x_set_mouse_position (f, x, y) |
4022 | struct frame *f; | |
dc6f92b8 JB |
4023 | int x, y; |
4024 | { | |
4025 | int pix_x, pix_y; | |
4026 | ||
f676886a | 4027 | x_raise_frame (f); |
dc6f92b8 | 4028 | |
12ba150f JB |
4029 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
4030 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
4031 | |
4032 | if (pix_x < 0) pix_x = 0; | |
4033 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4034 | ||
4035 | if (pix_y < 0) pix_y = 0; | |
4036 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4037 | |
4038 | BLOCK_INPUT; | |
dc6f92b8 | 4039 | |
c118dd06 | 4040 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
4041 | UNBLOCK_INPUT; |
4042 | } | |
4043 | ||
4044 | #ifdef HAVE_X11 | |
f676886a JB |
4045 | x_focus_on_frame (f) |
4046 | struct frame *f; | |
dc6f92b8 | 4047 | { |
f676886a | 4048 | x_raise_frame (f); |
6d4238f3 JB |
4049 | #if 0 |
4050 | /* I don't think that the ICCCM allows programs to do things like this | |
4051 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4052 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 4053 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 4054 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4055 | #endif /* ! 0 */ |
dc6f92b8 JB |
4056 | } |
4057 | ||
f676886a JB |
4058 | x_unfocus_frame (f) |
4059 | struct frame *f; | |
dc6f92b8 | 4060 | { |
6d4238f3 | 4061 | #if 0 |
f676886a JB |
4062 | /* Look at the remarks in x_focus_on_frame. */ |
4063 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4064 | XSetInputFocus (x_current_display, PointerRoot, |
4065 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4066 | #endif /* ! 0 */ |
dc6f92b8 JB |
4067 | } |
4068 | ||
c118dd06 | 4069 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4070 | |
f676886a | 4071 | /* Raise frame F. */ |
dc6f92b8 | 4072 | |
f676886a JB |
4073 | x_raise_frame (f) |
4074 | struct frame *f; | |
dc6f92b8 | 4075 | { |
3a88c238 | 4076 | if (f->async_visible) |
dc6f92b8 JB |
4077 | { |
4078 | BLOCK_INPUT; | |
c118dd06 | 4079 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4080 | XFlushQueue (); |
4081 | UNBLOCK_INPUT; | |
4082 | } | |
4083 | } | |
4084 | ||
f676886a | 4085 | /* Lower frame F. */ |
dc6f92b8 | 4086 | |
f676886a JB |
4087 | x_lower_frame (f) |
4088 | struct frame *f; | |
dc6f92b8 | 4089 | { |
3a88c238 | 4090 | if (f->async_visible) |
dc6f92b8 JB |
4091 | { |
4092 | BLOCK_INPUT; | |
c118dd06 | 4093 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4094 | XFlushQueue (); |
4095 | UNBLOCK_INPUT; | |
4096 | } | |
4097 | } | |
4098 | ||
dbc4e1c1 JB |
4099 | static void |
4100 | XTframe_raise_lower (f, raise) | |
4101 | FRAME_PTR f; | |
4102 | int raise; | |
4103 | { | |
4104 | if (raise) | |
4105 | x_raise_frame (f); | |
4106 | else | |
4107 | x_lower_frame (f); | |
4108 | } | |
4109 | ||
4110 | ||
dc6f92b8 JB |
4111 | /* Change from withdrawn state to mapped state. */ |
4112 | ||
f676886a JB |
4113 | x_make_frame_visible (f) |
4114 | struct frame *f; | |
dc6f92b8 JB |
4115 | { |
4116 | int mask; | |
4117 | ||
dc6f92b8 | 4118 | BLOCK_INPUT; |
dc6f92b8 | 4119 | |
f676886a | 4120 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
4121 | { |
4122 | #ifdef HAVE_X11 | |
4123 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4124 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 4125 | |
c118dd06 | 4126 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
ab648270 | 4127 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
4128 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4129 | #else /* ! defined (HAVE_X11) */ | |
4130 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4131 | if (f->display.x->icon_desc != 0) |
4132 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4133 | |
90e65f07 | 4134 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4135 | f->async_visible = 1; |
4136 | f->async_iconified = 0; | |
dc6f92b8 | 4137 | |
f676886a | 4138 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4139 | XTcursor_to (0, 0); |
c118dd06 | 4140 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4141 | } |
dc6f92b8 | 4142 | |
dc6f92b8 | 4143 | XFlushQueue (); |
90e65f07 | 4144 | |
dc6f92b8 JB |
4145 | UNBLOCK_INPUT; |
4146 | } | |
4147 | ||
4148 | /* Change from mapped state to withdrawn state. */ | |
4149 | ||
f676886a JB |
4150 | x_make_frame_invisible (f) |
4151 | struct frame *f; | |
dc6f92b8 JB |
4152 | { |
4153 | int mask; | |
4154 | ||
3a88c238 | 4155 | if (! f->async_visible) |
dc6f92b8 JB |
4156 | return; |
4157 | ||
4158 | BLOCK_INPUT; | |
c118dd06 JB |
4159 | |
4160 | #ifdef HAVE_X11R4 | |
4161 | ||
4162 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
4163 | DefaultScreen (x_current_display))) | |
4164 | { | |
4165 | UNBLOCK_INPUT_RESIGNAL; | |
4166 | error ("can't notify window manager of window withdrawl"); | |
4167 | } | |
4168 | ||
4169 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4170 | #ifdef HAVE_X11 |
16bd92ea | 4171 | |
c118dd06 | 4172 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4173 | if (! EQ (Vx_no_window_manager, Qt)) |
4174 | { | |
16bd92ea | 4175 | XEvent unmap; |
dc6f92b8 | 4176 | |
16bd92ea | 4177 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 4178 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4179 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4180 | unmap.xunmap.from_configure = False; | |
4181 | if (! XSendEvent (x_current_display, | |
4182 | DefaultRootWindow (x_current_display), | |
4183 | False, | |
4184 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4185 | &unmap)) | |
4186 | { | |
4187 | UNBLOCK_INPUT_RESIGNAL; | |
4188 | error ("can't notify window manager of withdrawal"); | |
4189 | } | |
dc6f92b8 JB |
4190 | } |
4191 | ||
16bd92ea | 4192 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
4193 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
4194 | ||
4195 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 4196 | |
c118dd06 | 4197 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4198 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4199 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4200 | XUnmapWindow (f->display.x->icon_desc); |
4201 | ||
4202 | #endif /* ! defined (HAVE_X11) */ | |
4203 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4204 | |
4205 | XFlushQueue (); | |
4206 | UNBLOCK_INPUT; | |
4207 | } | |
4208 | ||
dc6f92b8 JB |
4209 | /* Change window state from mapped to iconified. */ |
4210 | ||
f676886a JB |
4211 | x_iconify_frame (f) |
4212 | struct frame *f; | |
dc6f92b8 JB |
4213 | { |
4214 | int mask; | |
4215 | ||
3a88c238 | 4216 | if (f->async_iconified) |
dc6f92b8 JB |
4217 | return; |
4218 | ||
4219 | BLOCK_INPUT; | |
4220 | ||
4221 | #ifdef HAVE_X11 | |
16bd92ea JB |
4222 | /* Since we don't know which revision of X we're running, we'll use both |
4223 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4224 | ||
4225 | /* X11R4: send a ClientMessage to the window manager using the | |
4226 | WM_CHANGE_STATE type. */ | |
4227 | { | |
4228 | XEvent message; | |
4229 | ||
c118dd06 | 4230 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4231 | message.xclient.type = ClientMessage; |
4232 | message.xclient.message_type = Xatom_wm_change_state; | |
4233 | message.xclient.format = 32; | |
4234 | message.xclient.data.l[0] = IconicState; | |
4235 | ||
4236 | if (! XSendEvent (x_current_display, | |
4237 | DefaultRootWindow (x_current_display), | |
4238 | False, | |
4239 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4240 | &message)) | |
dc6f92b8 JB |
4241 | { |
4242 | UNBLOCK_INPUT_RESIGNAL; | |
4243 | error ("Can't notify window manager of iconification."); | |
4244 | } | |
16bd92ea | 4245 | } |
dc6f92b8 | 4246 | |
16bd92ea JB |
4247 | /* X11R3: set the initial_state field of the window manager hints to |
4248 | IconicState. */ | |
4249 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4250 | |
3a88c238 | 4251 | f->async_iconified = 1; |
c118dd06 JB |
4252 | #else /* ! defined (HAVE_X11) */ |
4253 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4254 | |
3a88c238 | 4255 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4256 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4257 | { |
f676886a JB |
4258 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4259 | refreshicon (f); | |
dc6f92b8 | 4260 | } |
c118dd06 | 4261 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4262 | |
4263 | XFlushQueue (); | |
4264 | UNBLOCK_INPUT; | |
4265 | } | |
4266 | ||
c0ff3fab | 4267 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4268 | |
c0ff3fab | 4269 | x_destroy_window (f) |
f676886a | 4270 | struct frame *f; |
dc6f92b8 | 4271 | { |
dc6f92b8 | 4272 | BLOCK_INPUT; |
c0ff3fab JB |
4273 | |
4274 | if (f->display.x->icon_desc != 0) | |
4275 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4276 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
dc6f92b8 | 4277 | XFlushQueue (); |
dc6f92b8 | 4278 | |
9ac0d9e0 | 4279 | xfree (f->display.x); |
c0ff3fab | 4280 | f->display.x = 0; |
f676886a JB |
4281 | if (f == x_focus_frame) |
4282 | x_focus_frame = 0; | |
4283 | if (f == x_highlight_frame) | |
4284 | x_highlight_frame = 0; | |
c0ff3fab JB |
4285 | |
4286 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4287 | } |
4288 | \f | |
f451eb13 JB |
4289 | /* Manage event queues for X10. */ |
4290 | ||
dc6f92b8 JB |
4291 | #ifndef HAVE_X11 |
4292 | ||
4293 | /* Manage event queues. | |
4294 | ||
4295 | This code is only used by the X10 support. | |
4296 | ||
4297 | We cannot leave events in the X queue and get them when we are ready | |
4298 | because X does not provide a subroutine to get only a certain kind | |
4299 | of event but not block if there are no queued events of that kind. | |
4300 | ||
4301 | Therefore, we must examine events as they come in and copy events | |
4302 | of certain kinds into our private queues. | |
4303 | ||
4304 | All ExposeRegion events are put in x_expose_queue. | |
4305 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4306 | ||
4307 | ||
4308 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4309 | If the queue is full, do nothing, but return nonzero. */ | |
4310 | ||
4311 | int | |
4312 | enqueue_event (p_xrep, queue) | |
4313 | register XEvent *p_xrep; | |
4314 | register struct event_queue *queue; | |
4315 | { | |
4316 | int newindex = queue->windex + 1; | |
4317 | if (newindex == EVENT_BUFFER_SIZE) | |
4318 | newindex = 0; | |
4319 | if (newindex == queue->rindex) | |
4320 | return -1; | |
4321 | queue->xrep[queue->windex] = *p_xrep; | |
4322 | queue->windex = newindex; | |
4323 | return 0; | |
4324 | } | |
4325 | ||
4326 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4327 | If *QUEUE is empty, do nothing and return 0. */ | |
4328 | ||
4329 | int | |
4330 | dequeue_event (p_xrep, queue) | |
4331 | register XEvent *p_xrep; | |
4332 | register struct event_queue *queue; | |
4333 | { | |
4334 | if (queue->windex == queue->rindex) | |
4335 | return 0; | |
4336 | *p_xrep = queue->xrep[queue->rindex++]; | |
4337 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4338 | queue->rindex = 0; | |
4339 | return 1; | |
4340 | } | |
4341 | ||
4342 | /* Return the number of events buffered in *QUEUE. */ | |
4343 | ||
4344 | int | |
4345 | queue_event_count (queue) | |
4346 | register struct event_queue *queue; | |
4347 | { | |
4348 | int tem = queue->windex - queue->rindex; | |
4349 | if (tem >= 0) | |
4350 | return tem; | |
4351 | return EVENT_BUFFER_SIZE + tem; | |
4352 | } | |
4353 | ||
4354 | /* Return nonzero if mouse input is pending. */ | |
4355 | ||
4356 | int | |
4357 | mouse_event_pending_p () | |
4358 | { | |
4359 | return queue_event_count (&x_mouse_queue); | |
4360 | } | |
c118dd06 | 4361 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4362 | \f |
f451eb13 JB |
4363 | /* Setting window manager hints. */ |
4364 | ||
dc6f92b8 JB |
4365 | #ifdef HAVE_X11 |
4366 | ||
f676886a JB |
4367 | x_wm_set_size_hint (f, prompting) |
4368 | struct frame *f; | |
dc6f92b8 JB |
4369 | long prompting; |
4370 | { | |
4371 | XSizeHints size_hints; | |
c118dd06 | 4372 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 JB |
4373 | |
4374 | size_hints.flags = PResizeInc | PMinSize | PMaxSize; | |
4375 | ||
f676886a JB |
4376 | flexlines = f->height; |
4377 | ||
4378 | size_hints.x = f->display.x->left_pos; | |
4379 | size_hints.y = f->display.x->top_pos; | |
4380 | size_hints.height = PIXEL_HEIGHT (f); | |
4381 | size_hints.width = PIXEL_WIDTH (f); | |
4382 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4383 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
12ba150f JB |
4384 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4385 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f451eb13 | 4386 | |
b1c884c3 | 4387 | { |
b0342f17 JB |
4388 | int base_width, base_height; |
4389 | ||
f451eb13 JB |
4390 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4391 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4392 | |
4393 | { | |
4394 | int min_rows = 0, min_cols = 0; | |
4395 | check_frame_size (f, &min_rows, &min_cols); | |
4396 | ||
4397 | /* The window manager uses the base width hints to calculate the | |
4398 | current number of rows and columns in the frame while | |
4399 | resizing; min_width and min_height aren't useful for this | |
4400 | purpose, since they might not give the dimensions for a | |
4401 | zero-row, zero-column frame. | |
4402 | ||
4403 | We use the base_width and base_height members if we have | |
4404 | them; otherwise, we set the min_width and min_height members | |
4405 | to the size for a zero x zero frame. */ | |
4406 | ||
4407 | #ifdef HAVE_X11R4 | |
4408 | size_hints.flags |= PBaseSize; | |
4409 | size_hints.base_width = base_width; | |
4410 | size_hints.base_height = base_height; | |
4411 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4412 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4413 | #else | |
4414 | size_hints.min_width = base_width; | |
4415 | size_hints.min_height = base_height; | |
4416 | #endif | |
4417 | } | |
b1c884c3 | 4418 | |
b1c884c3 | 4419 | } |
dc6f92b8 JB |
4420 | |
4421 | if (prompting) | |
4422 | size_hints.flags |= prompting; | |
4423 | else | |
4424 | { | |
4425 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4426 | ||
4427 | XGetNormalHints (x_current_display, window, &hints); | |
4428 | if (hints.flags & PSize) | |
4429 | size_hints.flags |= PSize; | |
4430 | if (hints.flags & PPosition) | |
4431 | size_hints.flags |= PPosition; | |
4432 | if (hints.flags & USPosition) | |
4433 | size_hints.flags |= USPosition; | |
4434 | if (hints.flags & USSize) | |
4435 | size_hints.flags |= USSize; | |
4436 | } | |
16bd92ea | 4437 | |
b0342f17 JB |
4438 | #ifdef HAVE_X11R4 |
4439 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4440 | #else | |
dc6f92b8 | 4441 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4442 | #endif |
dc6f92b8 JB |
4443 | } |
4444 | ||
4445 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4446 | x_wm_set_window_state (f, state) |
4447 | struct frame *f; | |
dc6f92b8 JB |
4448 | int state; |
4449 | { | |
c118dd06 | 4450 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4451 | |
16bd92ea JB |
4452 | f->display.x->wm_hints.flags |= StateHint; |
4453 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4454 | |
16bd92ea | 4455 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4456 | } |
4457 | ||
f676886a JB |
4458 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4459 | struct frame *f; | |
dc6f92b8 JB |
4460 | Pixmap icon_pixmap; |
4461 | { | |
c118dd06 | 4462 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4463 | |
dbc4e1c1 JB |
4464 | if (icon_pixmap) |
4465 | { | |
4466 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
4467 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
4468 | } | |
4469 | else | |
4470 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 4471 | |
16bd92ea | 4472 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4473 | } |
4474 | ||
f676886a JB |
4475 | x_wm_set_icon_position (f, icon_x, icon_y) |
4476 | struct frame *f; | |
dc6f92b8 JB |
4477 | int icon_x, icon_y; |
4478 | { | |
c118dd06 | 4479 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4480 | |
16bd92ea JB |
4481 | f->display.x->wm_hints.flags |= IconPositionHint; |
4482 | f->display.x->wm_hints.icon_x = icon_x; | |
4483 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4484 | |
16bd92ea | 4485 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4486 | } |
4487 | ||
4488 | \f | |
f451eb13 JB |
4489 | /* Initialization. */ |
4490 | ||
dc6f92b8 JB |
4491 | void |
4492 | x_term_init (display_name) | |
4493 | char *display_name; | |
4494 | { | |
f676886a | 4495 | Lisp_Object frame; |
dc6f92b8 JB |
4496 | char *defaultvalue; |
4497 | #ifdef F_SETOWN | |
4498 | extern int old_fcntl_owner; | |
c118dd06 | 4499 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4500 | |
f676886a | 4501 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4502 | |
4503 | x_current_display = XOpenDisplay (display_name); | |
4504 | if (x_current_display == 0) | |
4505 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4506 | display_name); | |
4507 | ||
4508 | #ifdef HAVE_X11 | |
4509 | { | |
16bd92ea | 4510 | int hostname_size = 256; |
60fb3ee1 JB |
4511 | |
4512 | hostname = (char *) xmalloc (hostname_size); | |
4513 | ||
dc6f92b8 JB |
4514 | #if 0 |
4515 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4516 | #endif /* ! 0 */ |
dc6f92b8 | 4517 | |
60fb3ee1 JB |
4518 | /* Try to get the host name; if the buffer is too short, try |
4519 | again. Apparently, the only indication gethostname gives of | |
4520 | whether the buffer was large enough is the presence or absence | |
4521 | of a '\0' in the string. Eech. */ | |
4522 | for (;;) | |
4523 | { | |
4524 | gethostname (hostname, hostname_size - 1); | |
4525 | hostname[hostname_size - 1] = '\0'; | |
4526 | ||
4527 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4528 | if (strlen (hostname) < hostname_size - 1) | |
4529 | break; | |
4530 | ||
4531 | hostname_size <<= 1; | |
4532 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4533 | } | |
59653951 | 4534 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
4535 | + strlen (hostname) |
4536 | + 2); | |
59653951 | 4537 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 4538 | } |
28430d3c JB |
4539 | |
4540 | /* Figure out which modifier bits mean what. */ | |
4541 | x_find_modifier_meanings (); | |
f451eb13 | 4542 | |
ab648270 | 4543 | /* Get the scroll bar cursor. */ |
d56a553a RS |
4544 | x_vertical_scroll_bar_cursor |
4545 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 4546 | |
d56a553a | 4547 | #if 0 |
28430d3c JB |
4548 | /* Watch for PropertyNotify events on the root window; we use them |
4549 | to figure out when to invalidate our cache of the cut buffers. */ | |
4550 | x_watch_cut_buffer_cache (); | |
d56a553a | 4551 | #endif |
28430d3c | 4552 | |
a4fc7360 JB |
4553 | if (ConnectionNumber (x_current_display) != 0) |
4554 | { | |
4555 | dup2 (ConnectionNumber (x_current_display), 0); | |
6d4238f3 JB |
4556 | |
4557 | #ifndef SYSV_STREAMS | |
a4fc7360 JB |
4558 | /* Streams somehow keeps track of which descriptor number |
4559 | is being used to talk to X. So it is not safe to substitute | |
4560 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
4561 | close (ConnectionNumber (x_current_display)); | |
4562 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? | |
6d4238f3 JB |
4563 | * check the def of the macro; |
4564 | * it is a genuine lvalue */ | |
c118dd06 | 4565 | #endif /* SYSV_STREAMS */ |
a4fc7360 | 4566 | } |
6d4238f3 | 4567 | |
c118dd06 | 4568 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4569 | |
4570 | #ifdef F_SETOWN | |
4571 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4572 | #ifdef F_SETOWN_SOCK_NEG | |
4573 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4574 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4575 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4576 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4577 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4578 | |
4579 | #ifdef SIGIO | |
4580 | init_sigio (); | |
c118dd06 | 4581 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4582 | |
4583 | /* Must use interrupt input because we cannot otherwise | |
4584 | arrange for C-g to be noticed immediately. | |
4585 | We cannot connect it to SIGINT. */ | |
4586 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4587 | ||
4588 | expose_all_windows = 0; | |
4589 | ||
f676886a | 4590 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4591 | clear_end_of_line_hook = XTclear_end_of_line; |
4592 | ins_del_lines_hook = XTins_del_lines; | |
4593 | change_line_highlight_hook = XTchange_line_highlight; | |
4594 | insert_glyphs_hook = XTinsert_glyphs; | |
4595 | write_glyphs_hook = XTwrite_glyphs; | |
4596 | delete_glyphs_hook = XTdelete_glyphs; | |
4597 | ring_bell_hook = XTring_bell; | |
4598 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4599 | set_terminal_modes_hook = XTset_terminal_modes; | |
4600 | update_begin_hook = XTupdate_begin; | |
4601 | update_end_hook = XTupdate_end; | |
4602 | set_terminal_window_hook = XTset_terminal_window; | |
4603 | read_socket_hook = XTread_socket; | |
4604 | cursor_to_hook = XTcursor_to; | |
4605 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4606 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4607 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 4608 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
4609 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
4610 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
4611 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
4612 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 4613 | |
f676886a | 4614 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4615 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4616 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4617 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4618 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4619 | off the bottom */ |
4620 | baud_rate = 19200; | |
4621 | ||
c118dd06 JB |
4622 | /* Note that there is no real way portable across R3/R4 to get the |
4623 | original error handler. */ | |
4624 | XHandleError (x_error_quitter); | |
8922af5f | 4625 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
4626 | |
4627 | /* Disable Window Change signals; they are handled by X events. */ | |
4628 | #ifdef SIGWINCH | |
4629 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4630 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4631 | |
c118dd06 | 4632 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4633 | } |
55123275 JB |
4634 | |
4635 | void | |
4636 | syms_of_xterm () | |
4637 | { | |
ab648270 | 4638 | staticpro (&last_mouse_scroll_bar); |
55123275 | 4639 | } |
c118dd06 JB |
4640 | #endif /* ! defined (HAVE_X11) */ |
4641 | #endif /* ! defined (HAVE_X_WINDOWS) */ |