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 | |
d0386f2a JB |
162 | /* Frame being updated by update_frame. This is declared in term.c. */ |
163 | This is set by update_begin and looked at by all the | |
dc6f92b8 | 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. */ | |
d0386f2a | 167 | extern struct frame *updating_frame; |
dc6f92b8 | 168 | |
f676886a | 169 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
170 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
171 | that a mere EnterNotify event can set this; if you need to know the | |
172 | last frame specified in a FocusIn or FocusOut event, use | |
173 | x_focus_event_frame. */ | |
f676886a | 174 | struct frame *x_focus_frame; |
dc6f92b8 | 175 | |
f451eb13 JB |
176 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
177 | separate from x_focus_frame, because whether or not LeaveNotify | |
178 | events cause us to lose focus depends on whether or not we have | |
179 | received a FocusIn event for it. */ | |
180 | struct frame *x_focus_event_frame; | |
181 | ||
f676886a JB |
182 | /* The frame which currently has the visual highlight, and should get |
183 | keyboard input (other sorts of input have the frame encoded in the | |
184 | event). It points to the X focus frame's selected window's | |
185 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 186 | minibuffer. */ |
f676886a | 187 | static struct frame *x_highlight_frame; |
6d4238f3 | 188 | |
dc6f92b8 | 189 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 190 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
191 | |
192 | static int warp_mouse_on_deiconify; | |
193 | ||
194 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
195 | ||
196 | static int flexlines; | |
197 | ||
198 | /* During an update, nonzero if chars output now should be highlighted. */ | |
199 | ||
200 | static int highlight; | |
201 | ||
202 | /* Nominal cursor position -- where to draw output. | |
203 | During an update, these are different from the cursor-box position. */ | |
204 | ||
205 | static int curs_x; | |
206 | static int curs_y; | |
207 | ||
208 | #ifdef HAVE_X11 | |
209 | /* `t' if a mouse button is depressed. */ | |
210 | ||
211 | extern Lisp_Object Vmouse_depressed; | |
212 | ||
213 | /* Tells if a window manager is present or not. */ | |
214 | ||
215 | extern Lisp_Object Vx_no_window_manager; | |
216 | ||
217 | /* Timestamp that we requested selection data was made. */ | |
218 | extern Time requestor_time; | |
219 | ||
220 | /* ID of the window requesting selection data. */ | |
221 | extern Window requestor_window; | |
222 | ||
223 | /* Nonzero enables some debugging for the X interface code. */ | |
224 | extern int _Xdebug; | |
225 | ||
c118dd06 | 226 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
227 | |
228 | /* Bit patterns for the mouse cursor. */ | |
229 | ||
230 | short MouseCursor[] = { | |
231 | 0x0000, 0x0008, 0x0018, 0x0038, | |
232 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
233 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
234 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
235 | ||
236 | short MouseMask[] = { | |
237 | 0x000c, 0x001c, 0x003c, 0x007c, | |
238 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
239 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
240 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
241 | ||
242 | static short grey_bits[] = { | |
243 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
244 | ||
245 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 246 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
247 | |
248 | /* From time to time we get info on an Emacs window, here. */ | |
249 | ||
250 | static WINDOWINFO_TYPE windowinfo; | |
251 | ||
252 | extern int errno; | |
253 | ||
64bb1782 RS |
254 | /* See keyboard.c. */ |
255 | extern int extra_keyboard_modifiers; | |
256 | ||
dc6f92b8 JB |
257 | extern Display *XOpenDisplay (); |
258 | extern Window XCreateWindow (); | |
259 | ||
260 | extern Cursor XCreateCursor (); | |
261 | extern FONT_TYPE *XOpenFont (); | |
262 | ||
263 | static void flashback (); | |
264 | ||
265 | #ifndef HAVE_X11 | |
266 | static void dumpqueue (); | |
c118dd06 | 267 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
268 | |
269 | void dumpborder (); | |
4746118a JB |
270 | static int XTcursor_to (); |
271 | static int XTclear_end_of_line (); | |
16bd92ea JB |
272 | |
273 | \f | |
f451eb13 JB |
274 | /* Starting and ending updates. |
275 | ||
276 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
277 | of a frame update. We record in `updating_frame' the identity |
278 | of the frame being updated, so that the XT... functions do not | |
279 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 JB |
280 | should never be called except during an update, the only exceptions |
281 | being XTcursor_to, XTwrite_char and XTreassert_line_highlight. */ | |
282 | ||
283 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
284 | ||
285 | static | |
f676886a JB |
286 | XTupdate_begin (f) |
287 | struct frame *f; | |
dc6f92b8 JB |
288 | { |
289 | int mask; | |
290 | ||
f676886a | 291 | if (f == 0) |
dc6f92b8 JB |
292 | abort (); |
293 | ||
f676886a | 294 | flexlines = f->height; |
dc6f92b8 JB |
295 | highlight = 0; |
296 | ||
dc6f92b8 JB |
297 | BLOCK_INPUT; |
298 | #ifndef HAVE_X11 | |
299 | dumpqueue (); | |
c118dd06 | 300 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
301 | UNBLOCK_INPUT; |
302 | } | |
303 | ||
f451eb13 | 304 | #ifndef HAVE_X11 |
dc6f92b8 | 305 | static void x_do_pending_expose (); |
f451eb13 | 306 | #endif |
dc6f92b8 JB |
307 | |
308 | static | |
f676886a JB |
309 | XTupdate_end (f) |
310 | struct frame *f; | |
dc6f92b8 JB |
311 | { |
312 | int mask; | |
313 | ||
f676886a JB |
314 | if (updating_frame == 0 |
315 | || updating_frame != f) | |
dc6f92b8 JB |
316 | abort (); |
317 | ||
318 | BLOCK_INPUT; | |
319 | #ifndef HAVE_X11 | |
320 | dumpqueue (); | |
dc6f92b8 | 321 | x_do_pending_expose (); |
f451eb13 | 322 | #endif /* HAVE_X11 */ |
dc6f92b8 | 323 | |
f676886a | 324 | x_display_cursor (f, 1); |
dc6f92b8 | 325 | |
dc6f92b8 JB |
326 | XFlushQueue (); |
327 | UNBLOCK_INPUT; | |
328 | } | |
329 | \f | |
330 | /* External interface to control of standout mode. | |
331 | Call this when about to modify line at position VPOS | |
332 | and not change whether it is highlighted. */ | |
333 | ||
334 | XTreassert_line_highlight (new, vpos) | |
335 | int new, vpos; | |
336 | { | |
337 | highlight = new; | |
338 | } | |
339 | ||
340 | /* Call this when about to modify line at position VPOS | |
341 | and change whether it is highlighted. */ | |
342 | ||
343 | static | |
344 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
345 | int new_highlight, vpos, first_unused_hpos; | |
346 | { | |
347 | highlight = new_highlight; | |
348 | XTcursor_to (vpos, 0); | |
f676886a | 349 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
350 | } |
351 | ||
352 | /* This is used when starting Emacs and when restarting after suspend. | |
353 | When starting Emacs, no X window is mapped. And nothing must be done | |
354 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
355 | ||
356 | static | |
357 | XTset_terminal_modes () | |
358 | { | |
359 | } | |
360 | ||
361 | /* This is called when exiting or suspending Emacs. | |
362 | Exiting will make the X-windows go away, and suspending | |
363 | requires no action. */ | |
364 | ||
365 | static | |
366 | XTreset_terminal_modes () | |
367 | { | |
f676886a | 368 | /* XTclear_frame (); */ |
dc6f92b8 JB |
369 | } |
370 | \f | |
f451eb13 JB |
371 | /* Set the nominal cursor position of the frame. |
372 | This is where display update commands will take effect. | |
dc6f92b8 JB |
373 | This does not affect the place where the cursor-box is displayed. */ |
374 | ||
4746118a | 375 | static int |
dc6f92b8 JB |
376 | XTcursor_to (row, col) |
377 | register int row, col; | |
378 | { | |
379 | int mask; | |
380 | int orow = row; | |
381 | ||
382 | curs_x = col; | |
383 | curs_y = row; | |
384 | ||
f676886a | 385 | if (updating_frame == 0) |
dc6f92b8 JB |
386 | { |
387 | BLOCK_INPUT; | |
f676886a | 388 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
389 | XFlushQueue (); |
390 | UNBLOCK_INPUT; | |
391 | } | |
392 | } | |
393 | \f | |
394 | /* Display a sequence of N glyphs found at GP. | |
395 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
396 | HL is 1 if this text is highlighted, 2 if the cursor is on it. | |
397 | ||
398 | FONT is the default font to use (for glyphs whose font-code is 0). */ | |
399 | ||
400 | static void | |
f676886a JB |
401 | dumpglyphs (f, left, top, gp, n, hl, font) |
402 | struct frame *f; | |
dc6f92b8 JB |
403 | int left, top; |
404 | register GLYPH *gp; /* Points to first GLYPH. */ | |
405 | register int n; /* Number of glyphs to display. */ | |
406 | int hl; | |
407 | FONT_TYPE *font; | |
408 | { | |
dc6f92b8 | 409 | register int len; |
c118dd06 | 410 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
411 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc |
412 | : (hl ? f->display.x->reverse_gc | |
413 | : f->display.x->normal_gc)); | |
dc6f92b8 | 414 | |
c7004826 JB |
415 | if (sizeof (GLYPH) == sizeof (XChar2b)) |
416 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
417 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
418 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
419 | XDrawImageString (x_current_display, window, drawing_gc, | |
420 | left, top + FONT_BASE (font), (char *) gp, n); | |
421 | else | |
422 | /* What size of glyph ARE you using? And does X have a function to | |
423 | draw them? */ | |
424 | abort (); | |
dc6f92b8 JB |
425 | } |
426 | ||
427 | #if 0 | |
428 | static void | |
f676886a JB |
429 | dumpglyphs (f, left, top, gp, n, hl, font) |
430 | struct frame *f; | |
dc6f92b8 JB |
431 | int left, top; |
432 | register GLYPH *gp; /* Points to first GLYPH. */ | |
433 | register int n; /* Number of glyphs to display. */ | |
434 | int hl; | |
435 | FONT_TYPE *font; | |
436 | { | |
f676886a | 437 | char buf[f->width]; /* Holds characters to be displayed. */ |
dc6f92b8 JB |
438 | register char *cp; /* Steps through buf[]. */ |
439 | register int tlen = GLYPH_TABLE_LENGTH; | |
440 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 441 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
442 | int cursor_pixel = f->display.x->cursor_pixel; |
443 | int fg_pixel = f->display.x->foreground_pixel; | |
444 | int bg_pixel = f->display.x->background_pixel; | |
445 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
446 | |
447 | while (n) | |
448 | { | |
449 | /* Get the face-code of the next GLYPH. */ | |
450 | int cf, len; | |
451 | int g = *gp; | |
452 | ||
453 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
454 | g = GLYPH_ALIAS (tbase, g); | |
455 | ||
456 | cf = g >> 8; | |
457 | ||
458 | /* Find the run of consecutive glyphs with the same face-code. | |
459 | Extract their character codes into BUF. */ | |
460 | cp = buf; | |
461 | while (n > 0) | |
462 | { | |
463 | g = *gp; | |
464 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
465 | g = GLYPH_ALIAS (tbase, g); | |
466 | if ((g >> 8) != cf) | |
467 | break; | |
468 | ||
469 | *cp++ = 0377 & g; | |
470 | --n; | |
471 | ++gp; | |
472 | } | |
473 | ||
474 | /* LEN gets the length of the run. */ | |
475 | len = cp - buf; | |
476 | ||
477 | /* Now output this run of chars, with the font and pixel values | |
478 | determined by the face code CF. */ | |
479 | if (cf == 0) | |
480 | { | |
481 | #ifdef HAVE_X11 | |
f676886a JB |
482 | GC GC_cursor = f->display.x->cursor_gc; |
483 | GC GC_reverse = f->display.x->reverse_gc; | |
484 | GC GC_normal = f->display.x->normal_gc; | |
dc6f92b8 JB |
485 | |
486 | XDrawImageString (x_current_display, window, | |
487 | (hl == 2 | |
488 | ? GC_cursor | |
489 | : (hl ? GC_reverse : GC_normal)), | |
490 | left, top + FONT_BASE (font), buf, len); | |
c118dd06 | 491 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
492 | XText (window, left, top, |
493 | buf, | |
494 | len, | |
495 | font->id, | |
496 | (hl == 2 | |
497 | ? (cursor_pixel == fg_pixel ? bg_pixel : fg_pixel) | |
498 | : hl ? bg_pixel : fg_pixel), | |
499 | (hl == 2 ? cursor_pixel | |
500 | : hl ? fg_pixel : bg_pixel)); | |
c118dd06 | 501 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
502 | } |
503 | else | |
504 | { | |
505 | #ifdef HAVE_X11 | |
506 | if (FACE_IS_FONT (cf)) | |
c118dd06 | 507 | XDrawImageString (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 JB |
508 | FACE_GC (cf), |
509 | left, top + FONT_BASE (FACE_FONT (cf)), | |
510 | buf, len); | |
511 | else if (FACE_IS_IMAGE (cf)) | |
512 | XCopyPlane (x_current_display, FACE_IMAGE (cf), | |
c118dd06 | 513 | FRAME_X_WINDOW (f), |
f676886a | 514 | f->display.x->normal_gc, |
dc6f92b8 JB |
515 | 0, 0, |
516 | FACE_IMAGE_WIDTH (cf), | |
517 | FACE_IMAGE_HEIGHT (cf), left, top); | |
518 | else | |
519 | abort (); | |
c118dd06 | 520 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
521 | register struct face *fp = x_face_table[cf]; |
522 | ||
523 | XText (window, left, top, | |
524 | buf, | |
525 | len, | |
526 | fp->font->id, | |
527 | (hl == 2 | |
528 | ? (cursor_pixel == fp->fg ? fp->bg : fp->fg) | |
529 | : hl ? fp->bg : fp->fg), | |
530 | (hl == 2 ? cursor_pixel | |
531 | : hl ? fp->fg : fp->bg)); | |
c118dd06 | 532 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
533 | } |
534 | left += len * FONT_WIDTH (font); | |
535 | } | |
536 | } | |
c118dd06 | 537 | #endif /* ! 0 */ |
dc6f92b8 | 538 | \f |
f451eb13 JB |
539 | /* Output some text at the nominal frame cursor position. |
540 | Advance the cursor over the text. | |
dc6f92b8 JB |
541 | Output LEN glyphs at START. |
542 | ||
543 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
544 | controls the pixel values used for foreground and background. */ | |
545 | ||
546 | static | |
547 | XTwrite_glyphs (start, len) | |
548 | register GLYPH *start; | |
549 | int len; | |
550 | { | |
551 | register int temp_length; | |
552 | int mask; | |
f676886a | 553 | struct frame *f; |
dc6f92b8 JB |
554 | |
555 | BLOCK_INPUT; | |
556 | ||
f676886a JB |
557 | f = updating_frame; |
558 | if (f == 0) | |
dc6f92b8 | 559 | { |
f676886a | 560 | f = selected_frame; |
dc6f92b8 | 561 | /* If not within an update, |
f676886a JB |
562 | output at the frame's visible cursor. */ |
563 | curs_x = f->cursor_x; | |
564 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
565 | } |
566 | ||
f676886a | 567 | dumpglyphs (f, |
12ba150f JB |
568 | CHAR_TO_PIXEL_COL (f, curs_x), |
569 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
570 | start, len, highlight, f->display.x->font); | |
90e65f07 JB |
571 | |
572 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
573 | if (curs_y == f->phys_cursor_y |
574 | && curs_x <= f->phys_cursor_x | |
575 | && curs_x + len > f->phys_cursor_x) | |
576 | f->phys_cursor_x = -1; | |
dc6f92b8 | 577 | |
f676886a | 578 | if (updating_frame == 0) |
dc6f92b8 | 579 | { |
f676886a JB |
580 | f->cursor_x += len; |
581 | x_display_cursor (f, 1); | |
582 | f->cursor_x -= len; | |
dc6f92b8 JB |
583 | } |
584 | else | |
585 | curs_x += len; | |
586 | ||
587 | UNBLOCK_INPUT; | |
588 | } | |
589 | \f | |
f451eb13 JB |
590 | /* Clear to the end of the line. |
591 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
592 | to column FIRST_UNUSED (exclusive). The idea is that everything |
593 | from FIRST_UNUSED onward is already erased. */ | |
594 | ||
4746118a | 595 | static int |
dc6f92b8 JB |
596 | XTclear_end_of_line (first_unused) |
597 | register int first_unused; | |
598 | { | |
f676886a | 599 | struct frame *f = updating_frame; |
dc6f92b8 JB |
600 | int mask; |
601 | ||
f676886a | 602 | if (f == 0) |
dc6f92b8 JB |
603 | abort (); |
604 | ||
f676886a | 605 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
606 | return; |
607 | if (first_unused <= 0) | |
608 | return; | |
609 | ||
f676886a JB |
610 | if (first_unused >= f->width) |
611 | first_unused = f->width; | |
dc6f92b8 JB |
612 | |
613 | BLOCK_INPUT; | |
614 | ||
90e65f07 | 615 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
616 | if (curs_y == f->phys_cursor_y |
617 | && curs_x <= f->phys_cursor_x | |
618 | && f->phys_cursor_x < first_unused) | |
619 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
620 | |
621 | #ifdef HAVE_X11 | |
c118dd06 | 622 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
623 | CHAR_TO_PIXEL_COL (f, curs_x), |
624 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
625 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
626 | FONT_HEIGHT (f->display.x->font), False); | |
dc6f92b8 | 627 | |
c118dd06 JB |
628 | #else /* ! defined (HAVE_X11) */ |
629 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
630 | CHAR_TO_PIXEL_COL (f, curs_x), |
631 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
632 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
633 | FONT_HEIGHT (f->display.x->font), | |
634 | f->display.x->background_pixel); | |
c118dd06 | 635 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
636 | |
637 | UNBLOCK_INPUT; | |
638 | } | |
639 | ||
640 | static | |
f676886a | 641 | XTclear_frame () |
dc6f92b8 JB |
642 | { |
643 | int mask; | |
f676886a | 644 | struct frame *f = updating_frame; |
dc6f92b8 | 645 | |
f676886a JB |
646 | if (f == 0) |
647 | f = selected_frame; | |
dc6f92b8 | 648 | |
f676886a | 649 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
650 | curs_x = 0; /* Nominal cursor position is top left. */ |
651 | curs_y = 0; | |
652 | ||
653 | BLOCK_INPUT; | |
dbc4e1c1 | 654 | |
c118dd06 | 655 | XClear (FRAME_X_WINDOW (f)); |
dbc4e1c1 | 656 | |
ab648270 | 657 | /* We have to clear the scroll bars, too. If we have changed |
dbc4e1c1 | 658 | colors or something like that, then they should be notified. */ |
ab648270 | 659 | x_scroll_bar_clear (f); |
dbc4e1c1 | 660 | |
dc6f92b8 | 661 | #ifndef HAVE_X11 |
f676886a | 662 | dumpborder (f, 0); |
c118dd06 | 663 | #endif /* HAVE_X11 */ |
dbc4e1c1 | 664 | |
dc6f92b8 JB |
665 | XFlushQueue (); |
666 | UNBLOCK_INPUT; | |
667 | } | |
668 | \f | |
dbc4e1c1 JB |
669 | /* Invert the middle quarter of the frame for .15 sec. */ |
670 | ||
671 | /* We use the select system call to do the waiting, so we have to make sure | |
672 | it's avaliable. If it isn't, we just won't do visual bells. */ | |
673 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) | |
674 | ||
675 | /* Subtract the `struct timeval' values X and Y, | |
676 | storing the result in RESULT. | |
677 | Return 1 if the difference is negative, otherwise 0. */ | |
678 | ||
679 | static int | |
680 | timeval_subtract (result, x, y) | |
681 | struct timeval *result, x, y; | |
682 | { | |
683 | /* Perform the carry for the later subtraction by updating y. | |
684 | This is safer because on some systems | |
685 | the tv_sec member is unsigned. */ | |
686 | if (x.tv_usec < y.tv_usec) | |
687 | { | |
688 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
689 | y.tv_usec -= 1000000 * nsec; | |
690 | y.tv_sec += nsec; | |
691 | } | |
692 | if (x.tv_usec - y.tv_usec > 1000000) | |
693 | { | |
694 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
695 | y.tv_usec += 1000000 * nsec; | |
696 | y.tv_sec -= nsec; | |
697 | } | |
698 | ||
699 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
700 | result->tv_sec = x.tv_sec - y.tv_sec; | |
701 | result->tv_usec = x.tv_usec - y.tv_usec; | |
702 | ||
703 | /* Return indication of whether the result should be considered negative. */ | |
704 | return x.tv_sec < y.tv_sec; | |
705 | } | |
dc6f92b8 | 706 | |
f676886a JB |
707 | XTflash (f) |
708 | struct frame *f; | |
dc6f92b8 | 709 | { |
dbc4e1c1 | 710 | BLOCK_INPUT; |
dc6f92b8 | 711 | |
dbc4e1c1 JB |
712 | { |
713 | GC gc; | |
dc6f92b8 | 714 | |
dbc4e1c1 JB |
715 | /* Create a GC that will use the GXxor function to flip foreground pixels |
716 | into background pixels. */ | |
717 | { | |
718 | XGCValues values; | |
dc6f92b8 | 719 | |
dbc4e1c1 JB |
720 | values.function = GXxor; |
721 | values.foreground = (f->display.x->foreground_pixel | |
722 | ^ f->display.x->background_pixel); | |
723 | ||
724 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
725 | GCFunction | GCForeground, &values); | |
726 | } | |
dc6f92b8 | 727 | |
dbc4e1c1 JB |
728 | { |
729 | int width = PIXEL_WIDTH (f); | |
730 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 731 | |
dbc4e1c1 JB |
732 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
733 | width/4, height/4, width/2, height/2); | |
734 | XFlush (x_current_display); | |
dc6f92b8 | 735 | |
dbc4e1c1 JB |
736 | { |
737 | struct timeval wakeup, now; | |
dc6f92b8 | 738 | |
dbc4e1c1 | 739 | gettimeofday (&wakeup, (struct timezone *) 0); |
dc6f92b8 | 740 | |
dbc4e1c1 JB |
741 | /* Compute time to wait until, propagating carry from usecs. */ |
742 | wakeup.tv_usec += 150000; | |
743 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
744 | wakeup.tv_usec %= 1000000; | |
745 | ||
746 | /* Keep waiting until past the time wakeup. */ | |
747 | while (1) | |
748 | { | |
749 | struct timeval timeout; | |
750 | ||
751 | gettimeofday (&timeout, (struct timezone *)0); | |
752 | ||
753 | /* In effect, timeout = wakeup - timeout. | |
754 | Break if result would be negative. */ | |
755 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
756 | break; | |
757 | ||
758 | /* Try to wait that long--but we might wake up sooner. */ | |
759 | select (0, 0, 0, 0, &timeout); | |
760 | } | |
761 | } | |
762 | ||
763 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
764 | width/4, height/4, width/2, height/2); | |
765 | XFreeGC (x_current_display, gc); | |
766 | XFlush (x_current_display); | |
dc6f92b8 | 767 | } |
dbc4e1c1 JB |
768 | } |
769 | ||
770 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
771 | } |
772 | ||
dbc4e1c1 JB |
773 | #endif |
774 | ||
775 | ||
dc6f92b8 JB |
776 | /* Make audible bell. */ |
777 | ||
778 | #ifdef HAVE_X11 | |
779 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 780 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 781 | #define XRINGBELL XFeep(0); |
c118dd06 | 782 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
783 | |
784 | XTring_bell () | |
785 | { | |
dbc4e1c1 | 786 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 787 | if (visible_bell) |
f676886a | 788 | XTflash (selected_frame); |
dc6f92b8 | 789 | else |
dbc4e1c1 | 790 | #endif |
dc6f92b8 JB |
791 | { |
792 | BLOCK_INPUT; | |
793 | XRINGBELL; | |
794 | XFlushQueue (); | |
795 | UNBLOCK_INPUT; | |
796 | } | |
797 | } | |
798 | \f | |
f451eb13 JB |
799 | /* Insert and delete character. |
800 | These are not supposed to be used because we are supposed to turn | |
801 | off the feature of using them. */ | |
dc6f92b8 JB |
802 | |
803 | static | |
804 | XTinsert_glyphs (start, len) | |
805 | register char *start; | |
806 | register int len; | |
807 | { | |
808 | abort (); | |
809 | } | |
810 | ||
811 | static | |
812 | XTdelete_glyphs (n) | |
813 | register int n; | |
814 | { | |
815 | abort (); | |
816 | } | |
817 | \f | |
818 | /* Specify how many text lines, from the top of the window, | |
819 | should be affected by insert-lines and delete-lines operations. | |
820 | This, and those operations, are used only within an update | |
821 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
822 | ||
823 | static | |
824 | XTset_terminal_window (n) | |
825 | register int n; | |
826 | { | |
f676886a | 827 | if (updating_frame == 0) |
dc6f92b8 JB |
828 | abort (); |
829 | ||
f676886a JB |
830 | if ((n <= 0) || (n > updating_frame->height)) |
831 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
832 | else |
833 | flexlines = n; | |
834 | } | |
835 | \f | |
f451eb13 JB |
836 | /* Perform an insert-lines operation. |
837 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
838 | |
839 | static void | |
840 | stufflines (n) | |
841 | register int n; | |
842 | { | |
843 | register int topregion, bottomregion; | |
844 | register int length, newtop, mask; | |
f676886a JB |
845 | register struct frame *f = updating_frame; |
846 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
847 | |
848 | if (curs_y >= flexlines) | |
849 | return; | |
850 | ||
851 | topregion = curs_y; | |
852 | bottomregion = flexlines - (n + 1); | |
853 | newtop = topregion + n; | |
854 | length = (bottomregion - topregion) + 1; | |
855 | ||
856 | #ifndef HAVE_X11 | |
857 | dumpqueue (); | |
c118dd06 | 858 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
859 | |
860 | if ((length > 0) && (newtop <= flexlines)) | |
861 | { | |
862 | #ifdef HAVE_X11 | |
c118dd06 JB |
863 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
864 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 865 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
866 | f->width * FONT_WIDTH (f->display.x->font), |
867 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 868 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
869 | #else /* ! defined (HAVE_X11) */ |
870 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
871 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
872 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
873 | f->width * FONT_WIDTH (f->display.x->font), |
874 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
875 | /* Now we must process any ExposeRegion events that occur |
876 | if the area being copied from is obscured. | |
877 | We can't let it wait because further i/d operations | |
878 | may want to copy this area to another area. */ | |
879 | x_read_exposes (); | |
c118dd06 | 880 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
881 | } |
882 | ||
883 | newtop = min (newtop, (flexlines - 1)); | |
884 | length = newtop - topregion; | |
885 | if (length > 0) | |
886 | { | |
887 | #ifdef HAVE_X11 | |
c118dd06 | 888 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 889 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
890 | f->width * FONT_WIDTH (f->display.x->font), |
891 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
892 | #else /* ! defined (HAVE_X11) */ |
893 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 894 | intborder, |
12ba150f | 895 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
896 | f->width * FONT_WIDTH (f->display.x->font), |
897 | n * FONT_HEIGHT (f->display.x->font), | |
898 | f->display.x->background_pixel); | |
c118dd06 | 899 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
900 | } |
901 | } | |
902 | ||
903 | /* Perform a delete-lines operation, deleting N lines | |
904 | at a vertical position curs_y. */ | |
905 | ||
906 | static void | |
907 | scraplines (n) | |
908 | register int n; | |
909 | { | |
910 | int mask; | |
f676886a JB |
911 | register struct frame *f = updating_frame; |
912 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
913 | |
914 | if (curs_y >= flexlines) | |
915 | return; | |
916 | ||
917 | #ifndef HAVE_X11 | |
918 | dumpqueue (); | |
c118dd06 | 919 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
920 | |
921 | if ((curs_y + n) >= flexlines) | |
922 | { | |
923 | if (flexlines >= (curs_y + 1)) | |
924 | { | |
925 | #ifdef HAVE_X11 | |
c118dd06 | 926 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 927 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
928 | f->width * FONT_WIDTH (f->display.x->font), |
929 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
930 | #else /* ! defined (HAVE_X11) */ |
931 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 932 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
933 | f->width * FONT_WIDTH (f->display.x->font), |
934 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
935 | f->display.x->background_pixel); | |
c118dd06 | 936 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
937 | } |
938 | } | |
939 | else | |
940 | { | |
941 | #ifdef HAVE_X11 | |
c118dd06 JB |
942 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
943 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 944 | intborder, |
12ba150f | 945 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
946 | f->width * FONT_WIDTH (f->display.x->font), |
947 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 948 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 949 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 950 | intborder, |
12ba150f | 951 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
952 | f->width * FONT_WIDTH (f->display.x->font), |
953 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
954 | #else /* ! defined (HAVE_X11) */ |
955 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 956 | intborder, |
12ba150f JB |
957 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
958 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
959 | f->width * FONT_WIDTH (f->display.x->font), |
960 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
961 | /* Now we must process any ExposeRegion events that occur |
962 | if the area being copied from is obscured. | |
963 | We can't let it wait because further i/d operations | |
964 | may want to copy this area to another area. */ | |
965 | x_read_exposes (); | |
c118dd06 | 966 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 967 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
968 | f->width * FONT_WIDTH (f->display.x->font), |
969 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 970 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
971 | } |
972 | } | |
973 | ||
974 | /* Perform an insert-lines or delete-lines operation, | |
975 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
976 | ||
977 | XTins_del_lines (vpos, n) | |
978 | int vpos, n; | |
979 | { | |
f676886a | 980 | if (updating_frame == 0) |
dc6f92b8 JB |
981 | abort (); |
982 | ||
90e65f07 | 983 | /* Hide the cursor. */ |
f676886a | 984 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
985 | |
986 | XTcursor_to (vpos, 0); | |
987 | ||
988 | BLOCK_INPUT; | |
989 | if (n >= 0) | |
990 | stufflines (n); | |
991 | else | |
992 | scraplines (-n); | |
993 | XFlushQueue (); | |
994 | UNBLOCK_INPUT; | |
995 | } | |
996 | \f | |
f451eb13 | 997 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
998 | static void clear_cursor (); |
999 | ||
f676886a JB |
1000 | /* Output into a rectangle of an X-window (for frame F) |
1001 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
1002 | TOP and LEFT are the position of the upper left corner of the rectangle. |
1003 | ROWS and COLS are the size of the rectangle. */ | |
1004 | ||
1005 | static void | |
f676886a JB |
1006 | dumprectangle (f, left, top, cols, rows) |
1007 | struct frame *f; | |
dc6f92b8 JB |
1008 | register int left, top, cols, rows; |
1009 | { | |
f676886a | 1010 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1011 | int cursor_cleared = 0; |
1012 | int bottom, right; | |
1013 | register int y; | |
1014 | ||
f676886a | 1015 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1016 | return; |
1017 | ||
dc6f92b8 JB |
1018 | /* Express rectangle as four edges, instead of position-and-size. */ |
1019 | bottom = top + rows; | |
1020 | right = left + cols; | |
1021 | ||
1022 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1023 | { |
1024 | int intborder = f->display.x->internal_border_width; | |
1025 | ||
1026 | /* If the rectangle includes any of the internal border area, | |
1027 | redisplay the border emphasis. */ | |
1028 | if (top < intborder || left < intborder | |
1029 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1030 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1031 | dumpborder (f, 0); | |
1032 | } | |
c118dd06 | 1033 | #endif /* HAVE_X11 /* Window manger does this for X11. */ */ |
dc6f92b8 JB |
1034 | |
1035 | /* Convert rectangle edges in pixels to edges in chars. | |
1036 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1037 | top = PIXEL_TO_CHAR_ROW (f, top); |
1038 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1039 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1040 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1041 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1042 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1043 | |
1044 | /* Clip the rectangle to what can be visible. */ | |
1045 | if (left < 0) | |
1046 | left = 0; | |
1047 | if (top < 0) | |
1048 | top = 0; | |
f676886a JB |
1049 | if (right > f->width) |
1050 | right = f->width; | |
1051 | if (bottom > f->height) | |
1052 | bottom = f->height; | |
dc6f92b8 JB |
1053 | |
1054 | /* Get size in chars of the rectangle. */ | |
1055 | cols = right - left; | |
1056 | rows = bottom - top; | |
1057 | ||
1058 | /* If rectangle has zero area, return. */ | |
1059 | if (rows <= 0) return; | |
1060 | if (cols <= 0) return; | |
1061 | ||
1062 | /* Turn off the cursor if it is in the rectangle. | |
1063 | We will turn it back on afterward. */ | |
f676886a JB |
1064 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1065 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1066 | { |
f676886a | 1067 | clear_cursor (f); |
dc6f92b8 JB |
1068 | cursor_cleared = 1; |
1069 | } | |
1070 | ||
1071 | /* Display the text in the rectangle, one text line at a time. */ | |
1072 | ||
1073 | for (y = top; y < bottom; y++) | |
1074 | { | |
f676886a | 1075 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1076 | |
f676886a | 1077 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1078 | continue; |
1079 | ||
f676886a | 1080 | dumpglyphs (f, |
12ba150f JB |
1081 | CHAR_TO_PIXEL_COL (f, left), |
1082 | CHAR_TO_PIXEL_ROW (f, y), | |
1083 | line, min (cols, active_frame->used[y] - left), | |
1084 | active_frame->highlight[y], f->display.x->font); | |
dc6f92b8 JB |
1085 | } |
1086 | ||
1087 | /* Turn the cursor on if we turned it off. */ | |
1088 | ||
1089 | if (cursor_cleared) | |
f676886a | 1090 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1091 | } |
1092 | ||
1093 | #ifndef HAVE_X11 | |
1094 | /* Process all queued ExposeRegion events. */ | |
1095 | ||
1096 | static void | |
1097 | dumpqueue () | |
1098 | { | |
1099 | register int i; | |
1100 | XExposeRegionEvent r; | |
1101 | ||
1102 | while (dequeue_event (&r, &x_expose_queue)) | |
1103 | { | |
f676886a JB |
1104 | struct frame *f = x_window_to_frame (r.window); |
1105 | if (f->display.x->icon_desc == r.window) | |
1106 | refreshicon (f); | |
dc6f92b8 | 1107 | else |
f676886a | 1108 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1109 | } |
1110 | XFlushQueue (); | |
1111 | } | |
c118dd06 | 1112 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1113 | \f |
f451eb13 | 1114 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1115 | Redraws the cursor if necessary on any frame that |
1116 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1117 | |
f451eb13 | 1118 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1119 | static void |
1120 | x_do_pending_expose () | |
1121 | { | |
1122 | int mask; | |
f676886a JB |
1123 | struct frame *f; |
1124 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1125 | |
1126 | if (expose_all_windows) | |
1127 | { | |
1128 | expose_all_windows = 0; | |
f676886a | 1129 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1130 | { |
1131 | register int temp_width, temp_height; | |
1132 | int intborder; | |
1133 | ||
f676886a | 1134 | frame = XCONS (tail)->car; |
ab648270 | 1135 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1136 | continue; |
f676886a | 1137 | f = XFRAME (frame); |
b1c884c3 | 1138 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1139 | continue; |
3a88c238 | 1140 | if (!f->async_visible) |
dc6f92b8 | 1141 | continue; |
f676886a | 1142 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1143 | continue; |
1144 | ||
f676886a | 1145 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1146 | |
f676886a | 1147 | clear_cursor (f); |
c118dd06 | 1148 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1149 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1150 | - f->display.x->v_scroll_bar_width) |
f676886a | 1151 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1152 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1153 | - f->display.x->h_scroll_bar_height) |
f676886a JB |
1154 | / FONT_HEIGHT (f->display.x->font)); |
1155 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1156 | { |
f676886a | 1157 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1158 | max (1, temp_width), 0, 1); |
ab648270 | 1159 | x_resize_scroll_bars (f); |
dc6f92b8 | 1160 | } |
f676886a JB |
1161 | f->display.x->left_pos = windowinfo.x; |
1162 | f->display.x->top_pos = windowinfo.y; | |
1163 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1164 | #if 0 |
f676886a | 1165 | dumpborder (f, 0); |
c118dd06 | 1166 | #endif /* ! 0 */ |
f676886a JB |
1167 | f->display.x->needs_exposure = 0; |
1168 | if (updating_frame != f) | |
1169 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1170 | XFlushQueue (); |
1171 | } | |
1172 | } | |
1173 | else | |
1174 | /* Handle any individual-rectangle expose events queued | |
1175 | for various windows. */ | |
1176 | #ifdef HAVE_X11 | |
1177 | ; | |
c118dd06 | 1178 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1179 | dumpqueue (); |
c118dd06 | 1180 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1181 | } |
f451eb13 | 1182 | #endif |
dc6f92b8 JB |
1183 | |
1184 | #ifdef HAVE_X11 | |
1185 | static void | |
f676886a JB |
1186 | frame_highlight (frame) |
1187 | struct frame *frame; | |
dc6f92b8 JB |
1188 | { |
1189 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1190 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1191 | frame->display.x->border_pixel); |
1192 | x_display_cursor (frame, 1); | |
dc6f92b8 JB |
1193 | } |
1194 | ||
1195 | static void | |
f676886a JB |
1196 | frame_unhighlight (frame) |
1197 | struct frame *frame; | |
dc6f92b8 JB |
1198 | { |
1199 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1200 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1201 | frame->display.x->border_tile); |
1202 | x_display_cursor (frame, 1); | |
dc6f92b8 | 1203 | } |
c118dd06 | 1204 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1205 | /* Dump the border-emphasis of frame F. |
1206 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1207 | just within the border, occupying a portion of the internal border. |
f676886a | 1208 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1209 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1210 | ||
f676886a | 1211 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1212 | In that case, we also turn the cursor off and on again |
1213 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1214 | ||
1215 | static void | |
f676886a JB |
1216 | dumpborder (f, always) |
1217 | struct frame *f; | |
dc6f92b8 JB |
1218 | int always; |
1219 | { | |
f676886a JB |
1220 | int thickness = f->display.x->internal_border_width / 2; |
1221 | int width = PIXEL_WIDTH (f); | |
1222 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1223 | int pixel; |
1224 | ||
f676886a | 1225 | if (f != selected_frame) |
dc6f92b8 JB |
1226 | { |
1227 | if (!always) | |
1228 | return; | |
1229 | ||
f676886a | 1230 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1231 | } |
1232 | else | |
1233 | { | |
f676886a | 1234 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1235 | } |
1236 | ||
c118dd06 JB |
1237 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1238 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1239 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1240 | thickness, pixel); |
c118dd06 | 1241 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1242 | height, pixel); |
1243 | ||
1244 | if (always) | |
f676886a | 1245 | x_display_cursor (f, 1); |
dc6f92b8 | 1246 | } |
c118dd06 | 1247 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1248 | |
f676886a | 1249 | static void XTframe_rehighlight (); |
6d4238f3 | 1250 | |
f676886a JB |
1251 | /* The focus has changed. Update the frames as necessary to reflect |
1252 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1253 | here, because the lisp code we are interrupting might become confused. |
f676886a | 1254 | Each event gets marked with the frame in which it occured, so the |
6d4238f3 | 1255 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1256 | |
6d4238f3 | 1257 | static void |
f676886a JB |
1258 | x_new_focus_frame (frame) |
1259 | struct frame *frame; | |
dc6f92b8 | 1260 | { |
f676886a | 1261 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1262 | int events_enqueued = 0; |
1263 | ||
f676886a | 1264 | if (frame != x_focus_frame) |
dc6f92b8 | 1265 | { |
6d4238f3 | 1266 | /* Set this before calling other routines, so that they see |
f676886a JB |
1267 | the correct value of x_focus_frame. */ |
1268 | x_focus_frame = frame; | |
6d4238f3 JB |
1269 | |
1270 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1271 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1272 | |
1273 | #if 0 | |
f676886a JB |
1274 | selected_frame = frame; |
1275 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1276 | Lisp_Frame, selected_frame); | |
1277 | Fselect_window (selected_frame->selected_window); | |
1278 | choose_minibuf_frame (); | |
c118dd06 | 1279 | #endif /* ! 0 */ |
dc6f92b8 | 1280 | |
f676886a JB |
1281 | if (x_focus_frame && x_focus_frame->auto_raise) |
1282 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1283 | } |
dc6f92b8 | 1284 | |
f676886a | 1285 | XTframe_rehighlight (); |
6d4238f3 JB |
1286 | } |
1287 | ||
1288 | ||
f451eb13 JB |
1289 | /* The focus has changed, or we have redirected a frame's focus to |
1290 | another frame (this happens when a frame uses a surrogate | |
1291 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1292 | static void |
f676886a | 1293 | XTframe_rehighlight () |
6d4238f3 | 1294 | { |
f676886a | 1295 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1296 | |
f676886a | 1297 | if (x_focus_frame) |
6d4238f3 | 1298 | { |
f451eb13 | 1299 | x_highlight_frame = |
ab648270 | 1300 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1301 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1302 | : x_focus_frame); | |
1303 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1304 | { | |
1305 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1306 | x_highlight_frame = x_focus_frame; | |
1307 | } | |
dc6f92b8 | 1308 | } |
6d4238f3 | 1309 | else |
f676886a | 1310 | x_highlight_frame = 0; |
dc6f92b8 | 1311 | |
f676886a | 1312 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1313 | { |
1314 | if (old_highlight) | |
f676886a JB |
1315 | frame_unhighlight (old_highlight); |
1316 | if (x_highlight_frame) | |
1317 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1318 | } |
dc6f92b8 JB |
1319 | } |
1320 | \f | |
90e65f07 JB |
1321 | /* Mouse clicks and mouse movement. Rah. */ |
1322 | #ifdef HAVE_X11 | |
1323 | ||
f676886a | 1324 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return |
90e65f07 JB |
1325 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle |
1326 | that the glyph at X, Y occupies, if BOUNDS != 0. */ | |
1327 | static void | |
f676886a JB |
1328 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds) |
1329 | FRAME_PTR f; | |
dc6f92b8 JB |
1330 | register unsigned int pix_x, pix_y; |
1331 | register int *x, *y; | |
90e65f07 | 1332 | XRectangle *bounds; |
dc6f92b8 | 1333 | { |
12ba150f JB |
1334 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1335 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
90e65f07 JB |
1336 | |
1337 | if (bounds) | |
1338 | { | |
12ba150f JB |
1339 | bounds->width = FONT_WIDTH (f->display.x->font); |
1340 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1341 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1342 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
90e65f07 | 1343 | } |
12ba150f JB |
1344 | |
1345 | if (pix_x < 0) pix_x = 0; | |
1346 | else if (pix_x > f->width) pix_x = f->width; | |
1347 | ||
1348 | if (pix_y < 0) pix_y = 0; | |
1349 | else if (pix_y > f->height) pix_y = f->height; | |
1350 | ||
1351 | *x = pix_x; | |
1352 | *y = pix_y; | |
dc6f92b8 | 1353 | } |
dc6f92b8 JB |
1354 | |
1355 | /* Any buttons grabbed. */ | |
1356 | unsigned int x_mouse_grabbed; | |
1357 | ||
28430d3c JB |
1358 | /* Which modifier keys are on which modifier bits? |
1359 | ||
1360 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1361 | keys were held down when the key was pressed. The interpretation |
1362 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1363 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1364 | is the meta bit. | |
1365 | ||
1366 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1367 | It may have more than one bit set, if more than one modifier bit | |
1368 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1369 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1370 | ||
1371 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1372 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1373 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1374 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1375 | arrangement, the lock modifier should shift the character if | |
1376 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1377 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1378 | |
a3c44b14 RS |
1379 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1380 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1381 | ||
28430d3c JB |
1382 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1383 | static void | |
1384 | x_find_modifier_meanings () | |
1385 | { | |
f689eb05 | 1386 | int min_code, max_code; |
28430d3c JB |
1387 | KeySym *syms; |
1388 | int syms_per_code; | |
1389 | XModifierKeymap *mods; | |
1390 | ||
1391 | x_meta_mod_mask = 0; | |
11edeb03 | 1392 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1393 | x_alt_mod_mask = 0; |
1394 | x_super_mod_mask = 0; | |
1395 | x_hyper_mod_mask = 0; | |
28430d3c | 1396 | |
9658a521 | 1397 | #ifdef HAVE_X11R4 |
28430d3c | 1398 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1399 | #else |
1400 | min_code = x_current_display->min_keycode; | |
1401 | max_code = x_current_display->max_keycode; | |
1402 | #endif | |
1403 | ||
28430d3c JB |
1404 | syms = XGetKeyboardMapping (x_current_display, |
1405 | min_code, max_code - min_code + 1, | |
1406 | &syms_per_code); | |
1407 | mods = XGetModifierMapping (x_current_display); | |
1408 | ||
11edeb03 JB |
1409 | /* Scan the modifier table to see which modifier bits the Meta and |
1410 | Alt keysyms are on. */ | |
28430d3c JB |
1411 | { |
1412 | int row, col; /* The row and column in the modifier table. */ | |
1413 | ||
1414 | for (row = 3; row < 8; row++) | |
1415 | for (col = 0; col < mods->max_keypermod; col++) | |
1416 | { | |
1417 | KeyCode code = | |
1418 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1419 | ||
1420 | /* Are any of this keycode's keysyms a meta key? */ | |
1421 | { | |
1422 | int code_col; | |
1423 | ||
1424 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1425 | { | |
f689eb05 | 1426 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1427 | |
f689eb05 | 1428 | switch (sym) |
28430d3c | 1429 | { |
f689eb05 JB |
1430 | case XK_Meta_L: |
1431 | case XK_Meta_R: | |
28430d3c JB |
1432 | x_meta_mod_mask |= (1 << row); |
1433 | break; | |
f689eb05 JB |
1434 | |
1435 | case XK_Alt_L: | |
1436 | case XK_Alt_R: | |
a3c44b14 RS |
1437 | x_alt_mod_mask |= (1 << row); |
1438 | break; | |
1439 | ||
1440 | case XK_Hyper_L: | |
1441 | case XK_Hyper_R: | |
1442 | x_hyper_mod_mask |= (1 << row); | |
1443 | break; | |
1444 | ||
1445 | case XK_Super_L: | |
1446 | case XK_Super_R: | |
1447 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1448 | break; |
11edeb03 JB |
1449 | |
1450 | case XK_Shift_Lock: | |
1451 | /* Ignore this if it's not on the lock modifier. */ | |
1452 | if ((1 << row) == LockMask) | |
1453 | x_shift_lock_mask = LockMask; | |
1454 | break; | |
28430d3c JB |
1455 | } |
1456 | } | |
1457 | } | |
1458 | } | |
1459 | } | |
1460 | ||
f689eb05 JB |
1461 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1462 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1463 | { |
1464 | x_meta_mod_mask = x_alt_mod_mask; | |
1465 | x_alt_mod_mask = 0; | |
1466 | } | |
f689eb05 | 1467 | |
28430d3c | 1468 | XFree ((char *) syms); |
f689eb05 | 1469 | XFreeModifiermap (mods); |
28430d3c JB |
1470 | } |
1471 | ||
1472 | ||
dc6f92b8 JB |
1473 | /* Convert a set of X modifier bits to the proper form for a |
1474 | struct input_event modifiers value. */ | |
1475 | ||
7c5283e4 | 1476 | static unsigned int |
dc6f92b8 JB |
1477 | x_convert_modifiers (state) |
1478 | unsigned int state; | |
1479 | { | |
11edeb03 JB |
1480 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1481 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1482 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1483 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1484 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1485 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1486 | } |
1487 | ||
dc6f92b8 JB |
1488 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1489 | ||
1490 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1491 | the mouse. */ |
dc6f92b8 JB |
1492 | |
1493 | static Lisp_Object | |
f451eb13 | 1494 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1495 | struct input_event *result; |
1496 | XButtonEvent *event; | |
f676886a | 1497 | struct frame *f; |
dc6f92b8 | 1498 | { |
f451eb13 | 1499 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1500 | otherwise. */ |
f451eb13 JB |
1501 | result->kind = mouse_click; |
1502 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1503 | result->timestamp = event->time; |
dc6f92b8 | 1504 | result->modifiers = (x_convert_modifiers (event->state) |
f689eb05 JB |
1505 | | (event->type == ButtonRelease |
1506 | ? up_modifier | |
1507 | : down_modifier)); | |
dc6f92b8 JB |
1508 | |
1509 | /* Notice if the mouse is still grabbed. */ | |
1510 | if (event->type == ButtonPress) | |
1511 | { | |
1512 | if (! x_mouse_grabbed) | |
1513 | Vmouse_depressed = Qt; | |
90e65f07 | 1514 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1515 | } |
1516 | else if (event->type == ButtonRelease) | |
1517 | { | |
90e65f07 | 1518 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1519 | if (!x_mouse_grabbed) |
1520 | Vmouse_depressed = Qnil; | |
1521 | } | |
1522 | ||
f451eb13 JB |
1523 | { |
1524 | int row, column; | |
dc6f92b8 | 1525 | |
f451eb13 JB |
1526 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1527 | XFASTINT (result->x) = column; | |
1528 | XFASTINT (result->y) = row; | |
12ba150f | 1529 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1530 | } |
dc6f92b8 JB |
1531 | } |
1532 | ||
1533 | ||
90e65f07 JB |
1534 | /* Mouse movement. Rah. |
1535 | ||
1536 | In order to avoid asking for motion events and then throwing most | |
1537 | of them away or busy-polling the server for mouse positions, we ask | |
1538 | the server for pointer motion hints. This means that we get only | |
1539 | one event per group of mouse movements. "Groups" are delimited by | |
1540 | other kinds of events (focus changes and button clicks, for | |
1541 | example), or by XQueryPointer calls; when one of these happens, we | |
1542 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1543 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1544 | tracking is on, and I suspect only negligibly worse when tracking |
1545 | is off. | |
1546 | ||
1547 | The silly O'Reilly & Associates Nutshell guides barely document | |
1548 | pointer motion hints at all (I think you have to infer how they | |
1549 | work from an example), and the description of XQueryPointer doesn't | |
1550 | mention that calling it causes you to get another motion hint from | |
1551 | the server, which is very important. */ | |
1552 | ||
1553 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1554 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1555 | static XRectangle last_mouse_glyph; |
1556 | ||
ab648270 | 1557 | /* The scroll bar in which the last X motion event occurred. |
12ba150f | 1558 | |
ab648270 JB |
1559 | If the last X motion event occured in a scroll bar, we set this |
1560 | so XTmouse_position can know whether to report a scroll bar motion or | |
12ba150f JB |
1561 | an ordinary motion. |
1562 | ||
ab648270 | 1563 | If the last X motion event didn't occur in a scroll bar, we set this |
12ba150f | 1564 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ |
ab648270 | 1565 | static Lisp_Object last_mouse_scroll_bar; |
f451eb13 | 1566 | |
e5d77022 JB |
1567 | /* This is a hack. We would really prefer that XTmouse_position would |
1568 | return the time associated with the position it returns, but there | |
1569 | doesn't seem to be any way to wrest the timestamp from the server | |
1570 | along with the position query. So, we just keep track of the time | |
1571 | of the last movement we received, and return that in hopes that | |
1572 | it's somewhat accurate. */ | |
1573 | static Time last_mouse_movement_time; | |
1574 | ||
90e65f07 JB |
1575 | /* Function to report a mouse movement to the mainstream Emacs code. |
1576 | The input handler calls this. | |
1577 | ||
1578 | We have received a mouse movement event, which is given in *event. | |
1579 | If the mouse is over a different glyph than it was last time, tell | |
1580 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1581 | another motion event, so we can check again the next time it moves. */ | |
1582 | static void | |
12ba150f | 1583 | note_mouse_movement (frame, event) |
f676886a | 1584 | FRAME_PTR frame; |
90e65f07 JB |
1585 | XMotionEvent *event; |
1586 | ||
1587 | { | |
e5d77022 JB |
1588 | last_mouse_movement_time = event->time; |
1589 | ||
90e65f07 JB |
1590 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1591 | if (event->x < last_mouse_glyph.x | |
1592 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1593 | || event->y < last_mouse_glyph.y | |
1594 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1595 | { |
1596 | mouse_moved = 1; | |
ab648270 | 1597 | last_mouse_scroll_bar = Qnil; |
12ba150f | 1598 | } |
90e65f07 JB |
1599 | else |
1600 | { | |
1601 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1602 | event the next time the mouse moves and we can see if it's | |
1603 | *still* on the same glyph. */ | |
1604 | int dummy; | |
1605 | ||
1606 | XQueryPointer (event->display, event->window, | |
1607 | (Window *) &dummy, (Window *) &dummy, | |
1608 | &dummy, &dummy, &dummy, &dummy, | |
1609 | (unsigned int *) &dummy); | |
1610 | } | |
1611 | } | |
1612 | ||
ab648270 JB |
1613 | static struct scroll_bar *x_window_to_scroll_bar (); |
1614 | static void x_scroll_bar_report_motion (); | |
12ba150f | 1615 | |
90e65f07 JB |
1616 | /* Return the current position of the mouse. |
1617 | ||
ab648270 JB |
1618 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
1619 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 1620 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 1621 | position on the scroll bar. |
12ba150f JB |
1622 | |
1623 | If the mouse movement started elsewhere, set *f to the frame the | |
1624 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1625 | the mouse is over. | |
1626 | ||
1627 | Set *time to the server timestamp for the time at which the mouse | |
1628 | was at this position. | |
1629 | ||
90e65f07 | 1630 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1631 | movement. This also calls XQueryPointer, which will cause the |
1632 | server to give us another MotionNotify when the mouse moves | |
1633 | again. */ | |
90e65f07 JB |
1634 | |
1635 | static void | |
12ba150f | 1636 | XTmouse_position (f, bar_window, part, x, y, time) |
f676886a | 1637 | FRAME_PTR *f; |
12ba150f | 1638 | Lisp_Object *bar_window; |
ab648270 | 1639 | enum scroll_bar_part *part; |
90e65f07 | 1640 | Lisp_Object *x, *y; |
e5d77022 | 1641 | unsigned long *time; |
90e65f07 | 1642 | { |
90e65f07 JB |
1643 | BLOCK_INPUT; |
1644 | ||
ab648270 JB |
1645 | if (! NILP (last_mouse_scroll_bar)) |
1646 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1647 | else |
1648 | { | |
12ba150f JB |
1649 | Window root; |
1650 | int root_x, root_y; | |
90e65f07 | 1651 | |
12ba150f JB |
1652 | Window dummy_window; |
1653 | int dummy; | |
1654 | ||
1655 | mouse_moved = 0; | |
ab648270 | 1656 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
1657 | |
1658 | /* Figure out which root window we're on. */ | |
1659 | XQueryPointer (x_current_display, | |
1660 | DefaultRootWindow (x_current_display), | |
1661 | ||
1662 | /* The root window which contains the pointer. */ | |
1663 | &root, | |
1664 | ||
1665 | /* Trash which we can't trust if the pointer is on | |
1666 | a different screen. */ | |
1667 | &dummy_window, | |
1668 | ||
1669 | /* The position on that root window. */ | |
1670 | &root_x, &root_y, | |
1671 | ||
1672 | /* More trash we can't trust. */ | |
1673 | &dummy, &dummy, | |
1674 | ||
1675 | /* Modifier keys and pointer buttons, about which | |
1676 | we don't care. */ | |
1677 | (unsigned int *) &dummy); | |
1678 | ||
1679 | /* Now we have a position on the root; find the innermost window | |
1680 | containing the pointer. */ | |
1681 | { | |
1682 | Window win, child; | |
1683 | int win_x, win_y; | |
1684 | int parent_x, parent_y; | |
1685 | ||
1686 | win = root; | |
1687 | for (;;) | |
1688 | { | |
1689 | XTranslateCoordinates (x_current_display, | |
1690 | ||
1691 | /* From-window, to-window. */ | |
1692 | root, win, | |
1693 | ||
1694 | /* From-position, to-position. */ | |
1695 | root_x, root_y, &win_x, &win_y, | |
1696 | ||
1697 | /* Child of win. */ | |
1698 | &child); | |
1699 | ||
1700 | if (child == None) | |
1701 | break; | |
1702 | ||
1703 | win = child; | |
1704 | parent_x = win_x; | |
1705 | parent_y = win_y; | |
1706 | } | |
1707 | ||
1708 | /* Now we know that: | |
1709 | win is the innermost window containing the pointer | |
1710 | (XTC says it has no child containing the pointer), | |
1711 | win_x and win_y are the pointer's position in it | |
1712 | (XTC did this the last time through), and | |
1713 | parent_x and parent_y are the pointer's position in win's parent. | |
1714 | (They are what win_x and win_y were when win was child. | |
1715 | If win is the root window, it has no parent, and | |
1716 | parent_{x,y} are invalid, but that's okay, because we'll | |
1717 | never use them in that case.) */ | |
1718 | ||
1719 | /* Is win one of our frames? */ | |
1720 | *f = x_window_to_frame (win); | |
1721 | ||
ab648270 | 1722 | /* If not, is it one of our scroll bars? */ |
12ba150f JB |
1723 | if (! *f) |
1724 | { | |
ab648270 | 1725 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
1726 | |
1727 | if (bar) | |
1728 | { | |
1729 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1730 | win_x = parent_x; | |
1731 | win_y = parent_y; | |
1732 | } | |
1733 | } | |
90e65f07 | 1734 | |
12ba150f JB |
1735 | if (*f) |
1736 | { | |
1737 | pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y, | |
1738 | &last_mouse_glyph); | |
1739 | ||
1740 | *bar_window = Qnil; | |
1741 | *part = 0; | |
1742 | XSET (*x, Lisp_Int, win_x); | |
1743 | XSET (*y, Lisp_Int, win_y); | |
1744 | *time = last_mouse_movement_time; | |
1745 | } | |
1746 | } | |
1747 | } | |
90e65f07 JB |
1748 | |
1749 | UNBLOCK_INPUT; | |
1750 | } | |
1751 | ||
c118dd06 | 1752 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1753 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1754 | #endif /* ! defined (HAVE_X11) */ |
1755 | \f | |
ab648270 | 1756 | /* Scroll bar support. */ |
f451eb13 | 1757 | |
ab648270 JB |
1758 | /* Given an X window ID, find the struct scroll_bar which manages it. |
1759 | This can be called in GC, so we have to make sure to strip off mark | |
1760 | bits. */ | |
1761 | static struct scroll_bar * | |
1762 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
1763 | Window window_id; |
1764 | { | |
1765 | Lisp_Object tail, frame; | |
f451eb13 | 1766 | |
ab648270 JB |
1767 | for (tail = Vframe_list; |
1768 | XGCTYPE (tail) == Lisp_Cons; | |
1769 | tail = XCONS (tail)->cdr) | |
f451eb13 | 1770 | { |
f451eb13 | 1771 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1772 | Lisp_Object bar, condemned; |
f451eb13 JB |
1773 | |
1774 | /* All elements of Vframe_list should be frames. */ | |
ab648270 | 1775 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
1776 | abort (); |
1777 | ||
ab648270 | 1778 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 1779 | right window ID. */ |
ab648270 JB |
1780 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
1781 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 1782 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
1783 | condemned scroll bar lists with one loop. */ |
1784 | ! GC_NILP (bar) || (bar = condemned, | |
1785 | condemned = Qnil, | |
1786 | ! GC_NILP (bar)); | |
1787 | bar = XSCROLL_BAR(bar)->next) | |
1788 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1789 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
1790 | } |
1791 | ||
1792 | return 0; | |
1793 | } | |
1794 | ||
ab648270 JB |
1795 | /* Open a new X window to serve as a scroll bar, and return the |
1796 | scroll bar vector for it. */ | |
1797 | static struct scroll_bar * | |
1798 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 1799 | struct window *window; |
f451eb13 JB |
1800 | int top, left, width, height; |
1801 | { | |
12ba150f | 1802 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
1803 | struct scroll_bar *bar = |
1804 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
1805 | |
1806 | BLOCK_INPUT; | |
1807 | ||
1808 | { | |
1809 | XSetWindowAttributes a; | |
1810 | unsigned long mask; | |
1811 | ||
12ba150f JB |
1812 | a.background_pixel = frame->display.x->background_pixel; |
1813 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1814 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1815 | | ExposureMask); |
ab648270 | 1816 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 1817 | |
dbc4e1c1 | 1818 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 1819 | |
ab648270 | 1820 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
1821 | (bar, |
1822 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1823 | |
ab648270 | 1824 | /* Position and size of scroll bar. */ |
12ba150f | 1825 | left, top, width, height, |
f451eb13 | 1826 | |
12ba150f JB |
1827 | /* Border width, depth, class, and visual. */ |
1828 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1829 | |
12ba150f JB |
1830 | /* Attributes. */ |
1831 | mask, &a)); | |
f451eb13 JB |
1832 | } |
1833 | ||
12ba150f JB |
1834 | XSET (bar->window, Lisp_Window, window); |
1835 | XSET (bar->top, Lisp_Int, top); | |
1836 | XSET (bar->left, Lisp_Int, left); | |
1837 | XSET (bar->width, Lisp_Int, width); | |
1838 | XSET (bar->height, Lisp_Int, height); | |
1839 | XSET (bar->start, Lisp_Int, 0); | |
1840 | XSET (bar->end, Lisp_Int, 0); | |
1841 | bar->dragging = Qnil; | |
f451eb13 JB |
1842 | |
1843 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 1844 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 1845 | bar->prev = Qnil; |
ab648270 | 1846 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 1847 | if (! NILP (bar->next)) |
ab648270 | 1848 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 1849 | |
ab648270 | 1850 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
1851 | |
1852 | UNBLOCK_INPUT; | |
12ba150f JB |
1853 | |
1854 | return bar; | |
f451eb13 JB |
1855 | } |
1856 | ||
12ba150f JB |
1857 | /* Draw BAR's handle in the proper position. |
1858 | If the handle is already drawn from START to END, don't bother | |
1859 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1860 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1861 | events.) | |
1862 | ||
1863 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 1864 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
1865 | handle, we want to let them drag it down all the way, so that the |
1866 | bar's top is as far down as it goes; otherwise, there's no way to | |
1867 | move to the very end of the buffer. */ | |
f451eb13 | 1868 | static void |
ab648270 JB |
1869 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
1870 | struct scroll_bar *bar; | |
f451eb13 | 1871 | int start, end; |
12ba150f | 1872 | int rebuild; |
f451eb13 | 1873 | { |
12ba150f | 1874 | int dragging = ! NILP (bar->dragging); |
ab648270 | 1875 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
1876 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
1877 | ||
1878 | /* If the display is already accurate, do nothing. */ | |
1879 | if (! rebuild | |
1880 | && start == XINT (bar->start) | |
1881 | && end == XINT (bar->end)) | |
1882 | return; | |
1883 | ||
f451eb13 JB |
1884 | BLOCK_INPUT; |
1885 | ||
1886 | { | |
ab648270 JB |
1887 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
1888 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
1889 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
1890 | |
1891 | /* Make sure the values are reasonable, and try to preserve | |
1892 | the distance between start and end. */ | |
12ba150f JB |
1893 | { |
1894 | int length = end - start; | |
1895 | ||
1896 | if (start < 0) | |
1897 | start = 0; | |
1898 | else if (start > top_range) | |
1899 | start = top_range; | |
1900 | end = start + length; | |
1901 | ||
1902 | if (end < start) | |
1903 | end = start; | |
1904 | else if (end > top_range && ! dragging) | |
1905 | end = top_range; | |
1906 | } | |
f451eb13 | 1907 | |
ab648270 | 1908 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
1909 | XSET (bar->start, Lisp_Int, start); |
1910 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 1911 | |
12ba150f JB |
1912 | /* Clip the end position, just for display. */ |
1913 | if (end > top_range) | |
1914 | end = top_range; | |
f451eb13 | 1915 | |
ab648270 | 1916 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
1917 | below top positions, to make sure the handle is always at least |
1918 | that many pixels tall. */ | |
ab648270 | 1919 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 1920 | |
12ba150f JB |
1921 | /* Draw the empty space above the handle. Note that we can't clear |
1922 | zero-height areas; that means "clear to end of window." */ | |
1923 | if (0 < start) | |
1924 | XClearArea (x_current_display, w, | |
f451eb13 | 1925 | |
12ba150f | 1926 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1927 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1928 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
1929 | inside_width, start, |
1930 | False); | |
f451eb13 | 1931 | |
12ba150f JB |
1932 | /* Draw the handle itself. */ |
1933 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 1934 | |
12ba150f | 1935 | /* x, y, width, height */ |
ab648270 JB |
1936 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1937 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 1938 | inside_width, end - start); |
f451eb13 | 1939 | |
f451eb13 | 1940 | |
12ba150f JB |
1941 | /* Draw the empty space below the handle. Note that we can't |
1942 | clear zero-height areas; that means "clear to end of window." */ | |
1943 | if (end < inside_height) | |
1944 | XClearArea (x_current_display, w, | |
f451eb13 | 1945 | |
12ba150f | 1946 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1947 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1948 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
1949 | inside_width, inside_height - end, |
1950 | False); | |
f451eb13 | 1951 | |
f451eb13 JB |
1952 | } |
1953 | ||
f451eb13 JB |
1954 | UNBLOCK_INPUT; |
1955 | } | |
1956 | ||
ab648270 | 1957 | /* Move a scroll bar around on the screen, to accomodate changing |
12ba150f | 1958 | window configurations. */ |
f451eb13 | 1959 | static void |
ab648270 JB |
1960 | x_scroll_bar_move (bar, top, left, width, height) |
1961 | struct scroll_bar *bar; | |
f451eb13 JB |
1962 | int top, left, width, height; |
1963 | { | |
1964 | BLOCK_INPUT; | |
1965 | ||
1966 | { | |
1967 | XWindowChanges wc; | |
1968 | unsigned int mask = 0; | |
1969 | ||
1970 | wc.x = left; | |
1971 | wc.y = top; | |
1972 | wc.width = width; | |
1973 | wc.height = height; | |
1974 | ||
12ba150f JB |
1975 | if (left != XINT (bar->left)) mask |= CWX; |
1976 | if (top != XINT (bar->top)) mask |= CWY; | |
1977 | if (width != XINT (bar->width)) mask |= CWWidth; | |
1978 | if (height != XINT (bar->height)) mask |= CWHeight; | |
1979 | ||
1980 | if (mask) | |
ab648270 | 1981 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 1982 | mask, &wc); |
f451eb13 JB |
1983 | } |
1984 | ||
12ba150f JB |
1985 | XSET (bar->left, Lisp_Int, left); |
1986 | XSET (bar->top, Lisp_Int, top); | |
1987 | XSET (bar->width, Lisp_Int, width); | |
1988 | XSET (bar->height, Lisp_Int, height); | |
1989 | ||
f451eb13 JB |
1990 | UNBLOCK_INPUT; |
1991 | } | |
1992 | ||
ab648270 | 1993 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
1994 | to nil. */ |
1995 | static void | |
ab648270 JB |
1996 | x_scroll_bar_remove (bar) |
1997 | struct scroll_bar *bar; | |
12ba150f JB |
1998 | { |
1999 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2000 | ||
2001 | BLOCK_INPUT; | |
2002 | ||
2003 | /* Destroy the window. */ | |
ab648270 | 2004 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2005 | |
ab648270 JB |
2006 | /* Disassociate this scroll bar from its window. */ |
2007 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2008 | |
2009 | UNBLOCK_INPUT; | |
2010 | } | |
2011 | ||
2012 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2013 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2014 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2015 | create one. */ |
2016 | static void | |
ab648270 | 2017 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2018 | struct window *window; |
2019 | int portion, whole, position; | |
2020 | { | |
2021 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2022 | int top = XINT (window->top); |
ab648270 JB |
2023 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2024 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2025 | |
ab648270 | 2026 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2027 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2028 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2029 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2030 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2031 | |
ab648270 | 2032 | struct scroll_bar *bar; |
12ba150f | 2033 | |
ab648270 JB |
2034 | /* Does the scroll bar exist yet? */ |
2035 | if (NILP (window->vertical_scroll_bar)) | |
2036 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2037 | pixel_top, pixel_left, |
2038 | pixel_width, pixel_height); | |
2039 | else | |
12ba150f JB |
2040 | { |
2041 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2042 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2043 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2044 | } |
f451eb13 | 2045 | |
ab648270 | 2046 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2047 | dragged. */ |
12ba150f | 2048 | if (NILP (bar->dragging)) |
f451eb13 | 2049 | { |
12ba150f | 2050 | int top_range = |
ab648270 | 2051 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2052 | |
12ba150f | 2053 | if (whole == 0) |
ab648270 | 2054 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2055 | else |
2056 | { | |
2057 | int start = (position * top_range) / whole; | |
2058 | int end = ((position + portion) * top_range) / whole; | |
2059 | ||
ab648270 | 2060 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2061 | } |
f451eb13 JB |
2062 | } |
2063 | ||
ab648270 | 2064 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2065 | } |
2066 | ||
12ba150f | 2067 | |
f451eb13 | 2068 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2069 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2070 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2071 | away is a real pain - "Can you say set-window-configuration, boys |
2072 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2073 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2074 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2075 | |
ab648270 JB |
2076 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2077 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2078 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2079 | static void |
ab648270 | 2080 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2081 | FRAME_PTR frame; |
2082 | { | |
12ba150f JB |
2083 | /* The condemned list should be empty at this point; if it's not, |
2084 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2085 | protocol correctly. */ | |
ab648270 | 2086 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2087 | abort (); |
2088 | ||
2089 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2090 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2091 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2092 | } |
2093 | ||
ab648270 | 2094 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2095 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2096 | static void |
ab648270 | 2097 | XTredeem_scroll_bar (window) |
12ba150f | 2098 | struct window *window; |
f451eb13 | 2099 | { |
ab648270 | 2100 | struct scroll_bar *bar; |
12ba150f | 2101 | |
ab648270 JB |
2102 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2103 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2104 | abort (); |
2105 | ||
ab648270 | 2106 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2107 | |
2108 | /* Unlink it from the condemned list. */ | |
2109 | { | |
2110 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2111 | ||
2112 | if (NILP (bar->prev)) | |
2113 | { | |
2114 | /* If the prev pointer is nil, it must be the first in one of | |
2115 | the lists. */ | |
ab648270 | 2116 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2117 | /* It's not condemned. Everything's fine. */ |
2118 | return; | |
ab648270 JB |
2119 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2120 | window->vertical_scroll_bar)) | |
2121 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2122 | else |
2123 | /* If its prev pointer is nil, it must be at the front of | |
2124 | one or the other! */ | |
2125 | abort (); | |
2126 | } | |
2127 | else | |
ab648270 | 2128 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2129 | |
2130 | if (! NILP (bar->next)) | |
ab648270 | 2131 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2132 | |
ab648270 | 2133 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2134 | bar->prev = Qnil; |
ab648270 | 2135 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2136 | if (! NILP (bar->next)) |
ab648270 | 2137 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2138 | } |
f451eb13 JB |
2139 | } |
2140 | ||
ab648270 JB |
2141 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2142 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2143 | static void |
ab648270 | 2144 | XTjudge_scroll_bars (f) |
12ba150f | 2145 | FRAME_PTR f; |
f451eb13 | 2146 | { |
12ba150f | 2147 | Lisp_Object bar, next; |
f451eb13 | 2148 | |
ab648270 | 2149 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2150 | |
2151 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2152 | more events on the hapless scroll bars. */ |
2153 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2154 | |
2155 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2156 | { |
ab648270 | 2157 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2158 | |
ab648270 | 2159 | x_scroll_bar_remove (b); |
12ba150f JB |
2160 | |
2161 | next = b->next; | |
2162 | b->next = b->prev = Qnil; | |
f451eb13 | 2163 | } |
12ba150f | 2164 | |
ab648270 | 2165 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2166 | and they should get garbage-collected. */ |
f451eb13 JB |
2167 | } |
2168 | ||
2169 | ||
ab648270 JB |
2170 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2171 | ||
2172 | This may be called from a signal handler, so we have to ignore GC | |
2173 | mark bits. */ | |
f451eb13 | 2174 | static void |
ab648270 JB |
2175 | x_scroll_bar_expose (bar, event) |
2176 | struct scroll_bar *bar; | |
f451eb13 JB |
2177 | XEvent *event; |
2178 | { | |
ab648270 | 2179 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2180 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2181 | ||
f451eb13 JB |
2182 | BLOCK_INPUT; |
2183 | ||
ab648270 | 2184 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2185 | |
ab648270 | 2186 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2187 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2188 | |
2189 | /* x, y, width, height */ | |
12ba150f | 2190 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2191 | |
12ba150f JB |
2192 | /* Draw another line to make the extra-thick border on the right. */ |
2193 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2194 | |
12ba150f JB |
2195 | /* x, y, width, height */ |
2196 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2197 | |
2198 | UNBLOCK_INPUT; | |
2199 | } | |
2200 | ||
ab648270 JB |
2201 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2202 | is set to something other than no_event, it is enqueued. | |
2203 | ||
2204 | This may be called from a signal handler, so we have to ignore GC | |
2205 | mark bits. */ | |
f451eb13 | 2206 | static void |
ab648270 JB |
2207 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2208 | struct scroll_bar *bar; | |
f451eb13 JB |
2209 | XEvent *event; |
2210 | struct input_event *emacs_event; | |
2211 | { | |
ab648270 | 2212 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2213 | abort (); |
2214 | ||
ab648270 | 2215 | emacs_event->kind = scroll_bar_click; |
12ba150f | 2216 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 JB |
2217 | emacs_event->modifiers = |
2218 | (x_convert_modifiers (event->xbutton.state) | |
2219 | | (event->type == ButtonRelease | |
2220 | ? up_modifier | |
2221 | : down_modifier)); | |
12ba150f | 2222 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2223 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2224 | { |
2225 | int internal_height = | |
ab648270 | 2226 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2227 | int top_range = |
ab648270 JB |
2228 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2229 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2230 | |
2231 | if (y < 0) y = 0; | |
2232 | if (y > top_range) y = top_range; | |
2233 | ||
2234 | if (y < XINT (bar->start)) | |
ab648270 JB |
2235 | emacs_event->part = scroll_bar_above_handle; |
2236 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2237 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2238 | else |
ab648270 | 2239 | emacs_event->part = scroll_bar_below_handle; |
12ba150f JB |
2240 | |
2241 | /* If the user has just clicked on the handle, record where they're | |
2242 | holding it. */ | |
2243 | if (event->type == ButtonPress | |
ab648270 | 2244 | && emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2245 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
2246 | ||
2247 | /* If the user has released the handle, set it to its final position. */ | |
2248 | if (event->type == ButtonRelease | |
2249 | && ! NILP (bar->dragging)) | |
2250 | { | |
2251 | int new_start = y - XINT (bar->dragging); | |
2252 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2253 | |
ab648270 | 2254 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2255 | bar->dragging = Qnil; |
2256 | } | |
f451eb13 | 2257 | |
12ba150f JB |
2258 | /* Clicks on the handle are always reported as occuring at the top of |
2259 | the handle. */ | |
ab648270 | 2260 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2261 | emacs_event->x = bar->start; |
2262 | else | |
2263 | XSET (emacs_event->x, Lisp_Int, y); | |
f451eb13 | 2264 | |
12ba150f JB |
2265 | XSET (emacs_event->y, Lisp_Int, top_range); |
2266 | } | |
2267 | } | |
f451eb13 | 2268 | |
ab648270 JB |
2269 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2270 | ||
2271 | This may be called from a signal handler, so we have to ignore GC | |
2272 | mark bits. */ | |
f451eb13 | 2273 | static void |
ab648270 JB |
2274 | x_scroll_bar_note_movement (bar, event) |
2275 | struct scroll_bar *bar; | |
f451eb13 JB |
2276 | XEvent *event; |
2277 | { | |
2278 | last_mouse_movement_time = event->xmotion.time; | |
2279 | ||
2280 | mouse_moved = 1; | |
ab648270 | 2281 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2282 | |
2283 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2284 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2285 | { |
2286 | /* Where should the handle be now? */ | |
12ba150f | 2287 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2288 | |
12ba150f | 2289 | if (new_start != XINT (bar->start)) |
f451eb13 | 2290 | { |
12ba150f | 2291 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2292 | |
ab648270 | 2293 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2294 | } |
2295 | } | |
2296 | ||
2297 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2298 | moves and we can see *still* on the same position. */ | |
2299 | { | |
2300 | int dummy; | |
2301 | ||
2302 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2303 | (Window *) &dummy, (Window *) &dummy, | |
2304 | &dummy, &dummy, &dummy, &dummy, | |
2305 | (unsigned int *) &dummy); | |
2306 | } | |
2307 | } | |
2308 | ||
12ba150f | 2309 | /* Return information to the user about the current position of the mouse |
ab648270 | 2310 | on the scroll bar. */ |
12ba150f | 2311 | static void |
ab648270 | 2312 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2313 | FRAME_PTR *f; |
2314 | Lisp_Object *bar_window; | |
ab648270 | 2315 | enum scroll_bar_part *part; |
12ba150f JB |
2316 | Lisp_Object *x, *y; |
2317 | unsigned long *time; | |
2318 | { | |
ab648270 | 2319 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f JB |
2320 | int win_x, win_y; |
2321 | ||
cf7cb199 JB |
2322 | BLOCK_INPUT; |
2323 | ||
ab648270 | 2324 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f JB |
2325 | report that. */ |
2326 | { | |
2327 | Window dummy_window; | |
2328 | int dummy_coord; | |
2329 | unsigned int dummy_mask; | |
2330 | ||
2331 | if (! XQueryPointer (x_current_display, | |
ab648270 | 2332 | SCROLL_BAR_X_WINDOW (bar), |
12ba150f JB |
2333 | |
2334 | /* Root, child, root x and root y. */ | |
2335 | &dummy_window, &dummy_window, | |
2336 | &dummy_coord, &dummy_coord, | |
2337 | ||
ab648270 | 2338 | /* Position relative to scroll bar. */ |
12ba150f JB |
2339 | &win_x, &win_y, |
2340 | ||
2341 | /* Mouse buttons and modifier keys. */ | |
2342 | &dummy_mask)) | |
2343 | { | |
2344 | *f = 0; | |
cf7cb199 | 2345 | goto done; |
12ba150f JB |
2346 | } |
2347 | } | |
2348 | ||
2349 | { | |
ab648270 JB |
2350 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
2351 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
12ba150f | 2352 | |
ab648270 | 2353 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
2354 | |
2355 | if (! NILP (bar->dragging)) | |
2356 | win_y -= XINT (bar->dragging); | |
2357 | ||
2358 | if (win_y < 0) | |
2359 | win_y = 0; | |
2360 | if (win_y > top_range) | |
2361 | win_y = top_range; | |
2362 | ||
2363 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2364 | *bar_window = bar->window; | |
2365 | ||
2366 | if (! NILP (bar->dragging)) | |
ab648270 | 2367 | *part = scroll_bar_handle; |
12ba150f | 2368 | else if (win_y < XINT (bar->start)) |
ab648270 JB |
2369 | *part = scroll_bar_above_handle; |
2370 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2371 | *part = scroll_bar_handle; | |
12ba150f | 2372 | else |
ab648270 | 2373 | *part = scroll_bar_below_handle; |
12ba150f JB |
2374 | |
2375 | XSET (*x, Lisp_Int, win_y); | |
2376 | XSET (*y, Lisp_Int, top_range); | |
2377 | *time = last_mouse_movement_time; | |
2378 | } | |
2379 | ||
2380 | mouse_moved = 0; | |
ab648270 | 2381 | last_mouse_scroll_bar = Qnil; |
cf7cb199 JB |
2382 | |
2383 | done: | |
2384 | UNBLOCK_INPUT; | |
12ba150f JB |
2385 | } |
2386 | ||
f451eb13 | 2387 | |
dbc4e1c1 | 2388 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2389 | background colors, and the scroll bars may need to be redrawn. |
2390 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2391 | redraw them. */ |
2392 | ||
ab648270 | 2393 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2394 | FRAME_PTR f; |
2395 | { | |
2396 | Lisp_Object bar; | |
2397 | ||
ab648270 | 2398 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2399 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2400 | bar = XSCROLL_BAR (bar)->next) |
2401 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2402 | 0, 0, 0, 0, True); |
2403 | } | |
2404 | ||
2405 | ||
f451eb13 JB |
2406 | \f |
2407 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2408 | |
dc6f92b8 JB |
2409 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2410 | but we have to put it out here, since static variables within functions | |
2411 | sometimes don't work. */ | |
2412 | static Time enter_timestamp; | |
2413 | ||
11edeb03 JB |
2414 | /* This holds the state XLookupString needs to implement dead keys |
2415 | and other tricks known as "compose processing". _X Window System_ | |
2416 | says that a portable program can't use this, but Stephen Gildea assures | |
2417 | me that letting the compiler initialize it to zeros will work okay. | |
2418 | ||
2419 | This must be defined outside of XTread_socket, for the same reasons | |
2420 | given for enter_timestamp, above. */ | |
2421 | static XComposeStatus compose_status; | |
2422 | ||
c047688c JA |
2423 | /* Communication with window managers. */ |
2424 | Atom Xatom_wm_protocols; | |
2425 | ||
2426 | /* Kinds of protocol things we may receive. */ | |
2427 | Atom Xatom_wm_take_focus; | |
2428 | Atom Xatom_wm_save_yourself; | |
2429 | Atom Xatom_wm_delete_window; | |
2430 | ||
2431 | /* Other WM communication */ | |
2432 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2433 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2434 | ||
d56a553a RS |
2435 | /* Window manager communication. */ |
2436 | Atom Xatom_wm_change_state; | |
2437 | ||
10e6549c RS |
2438 | /* Record the last 100 characters stored |
2439 | to help debug the loss-of-chars-during-GC problem. */ | |
2440 | int temp_index; | |
2441 | short temp_buffer[100]; | |
2442 | ||
dc6f92b8 JB |
2443 | /* Read events coming from the X server. |
2444 | This routine is called by the SIGIO handler. | |
2445 | We return as soon as there are no more events to be read. | |
2446 | ||
2447 | Events representing keys are stored in buffer BUFP, | |
2448 | which can hold up to NUMCHARS characters. | |
2449 | We return the number of characters stored into the buffer, | |
2450 | thus pretending to be `read'. | |
2451 | ||
2452 | WAITP is nonzero if we should block until input arrives. | |
2453 | EXPECTED is nonzero if the caller knows input is available. */ | |
2454 | ||
7c5283e4 | 2455 | int |
dc6f92b8 JB |
2456 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2457 | register int sd; | |
2458 | register struct input_event *bufp; | |
2459 | register int numchars; | |
2460 | int waitp; | |
2461 | int expected; | |
2462 | { | |
2463 | int count = 0; | |
2464 | int nbytes = 0; | |
2465 | int mask; | |
2466 | int items_pending; /* How many items are in the X queue. */ | |
2467 | XEvent event; | |
f676886a | 2468 | struct frame *f; |
dc6f92b8 JB |
2469 | int event_found; |
2470 | int prefix; | |
2471 | Lisp_Object part; | |
2472 | ||
9ac0d9e0 | 2473 | if (interrupt_input_blocked) |
dc6f92b8 | 2474 | { |
9ac0d9e0 | 2475 | interrupt_input_pending = 1; |
dc6f92b8 JB |
2476 | return -1; |
2477 | } | |
2478 | ||
9ac0d9e0 | 2479 | interrupt_input_pending = 0; |
dc6f92b8 JB |
2480 | BLOCK_INPUT; |
2481 | ||
2482 | if (numchars <= 0) | |
2483 | abort (); /* Don't think this happens. */ | |
2484 | ||
2485 | #ifdef FIOSNBIO | |
2486 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2487 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2488 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2489 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2490 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2491 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2492 | |
2493 | #ifndef SIGIO | |
2494 | #ifndef HAVE_SELECT | |
2495 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2496 | { | |
2497 | extern int read_alarm_should_throw; | |
2498 | read_alarm_should_throw = 1; | |
2499 | XPeekEvent (XDISPLAY &event); | |
2500 | read_alarm_should_throw = 0; | |
2501 | } | |
c118dd06 JB |
2502 | #endif /* HAVE_SELECT */ |
2503 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2504 | |
2505 | while (XStuffPending () != 0) | |
2506 | { | |
2507 | XNextEvent (XDISPLAY &event); | |
2508 | event_found = 1; | |
2509 | ||
2510 | switch (event.type) | |
2511 | { | |
2512 | #ifdef HAVE_X11 | |
c047688c JA |
2513 | case ClientMessage: |
2514 | { | |
2515 | if (event.xclient.message_type == Xatom_wm_protocols | |
2516 | && event.xclient.format == 32) | |
2517 | { | |
2518 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2519 | { | |
f676886a JB |
2520 | f = x_window_to_frame (event.xclient.window); |
2521 | if (f) | |
2522 | x_focus_on_frame (f); | |
ab648270 | 2523 | /* Not certain about handling scroll bars here */ |
c047688c JA |
2524 | } |
2525 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2526 | { | |
2527 | /* Save state modify the WM_COMMAND property to | |
2528 | something which can reinstate us. This notifies | |
2529 | the session manager, who's looking for such a | |
2530 | PropertyNotify. Can restart processing when | |
2531 | a keyboard or mouse event arrives. */ | |
2532 | if (numchars > 0) | |
2533 | { | |
2534 | } | |
2535 | } | |
2536 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2537 | { | |
f676886a | 2538 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2539 | |
f676886a | 2540 | if (f) |
c047688c JA |
2541 | if (numchars > 0) |
2542 | { | |
2543 | } | |
2544 | } | |
2545 | } | |
2546 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2547 | { | |
2548 | } | |
2549 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2550 | { | |
2551 | int new_x, new_y; | |
2552 | ||
4357eba7 JB |
2553 | new_x = event.xclient.data.s[0]; |
2554 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2555 | } |
2556 | } | |
2557 | break; | |
dc6f92b8 | 2558 | |
d56a553a RS |
2559 | #ifdef NEW_SELECTIONS |
2560 | case SelectionNotify: | |
2561 | x_handle_selection_notify (&event); | |
2562 | break; | |
2563 | #endif | |
2564 | ||
dc6f92b8 | 2565 | case SelectionClear: /* Someone has grabbed ownership. */ |
d56a553a RS |
2566 | #ifdef NEW_SELECTIONS |
2567 | { | |
2568 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
2569 | ||
2570 | if (numchars == 0) | |
2571 | abort (); | |
2572 | ||
2573 | bufp->kind = selection_clear_event; | |
2574 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2575 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2576 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2577 | bufp++; | |
2578 | ||
2579 | count += 1; | |
2580 | numchars -= 1; | |
2581 | } | |
2582 | #else | |
dc6f92b8 JB |
2583 | x_disown_selection (event.xselectionclear.window, |
2584 | event.xselectionclear.selection, | |
2585 | event.xselectionclear.time); | |
d56a553a | 2586 | #endif |
dc6f92b8 JB |
2587 | break; |
2588 | ||
2589 | case SelectionRequest: /* Someone wants our selection. */ | |
d56a553a RS |
2590 | #ifdef NEW_SELECTIONS |
2591 | { | |
2592 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
2593 | ||
2594 | if (numchars == 0) | |
2595 | abort (); | |
2596 | ||
2597 | bufp->kind = selection_request_event; | |
2598 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2599 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
2600 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2601 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
2602 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
2603 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2604 | bufp++; | |
2605 | ||
2606 | count += 1; | |
2607 | numchars -= 1; | |
2608 | } | |
2609 | #else | |
dc6f92b8 | 2610 | x_answer_selection_request (event); |
d56a553a | 2611 | #endif |
dc6f92b8 JB |
2612 | break; |
2613 | ||
2614 | case PropertyNotify: | |
d56a553a RS |
2615 | #ifdef NEW_SELECTIONS |
2616 | x_handle_property_notify (&event); | |
2617 | #else | |
28430d3c JB |
2618 | /* If we're being told about a root window property, then it's |
2619 | a cut buffer change. */ | |
2620 | if (event.xproperty.window == ROOT_WINDOW) | |
2621 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2622 | ||
2623 | /* Otherwise, we're probably handling an incremental | |
2624 | selection transmission. */ | |
2625 | else | |
2626 | { | |
2627 | /* If we were to do this synchronously, there'd be no worry | |
2628 | about re-selecting. */ | |
2629 | x_send_incremental (event); | |
2630 | } | |
d56a553a | 2631 | #endif |
dc6f92b8 JB |
2632 | break; |
2633 | ||
2634 | case Expose: | |
f676886a JB |
2635 | f = x_window_to_frame (event.xexpose.window); |
2636 | if (f) | |
dc6f92b8 | 2637 | { |
3a88c238 | 2638 | if (f->async_visible == 0) |
dc6f92b8 | 2639 | { |
3a88c238 JB |
2640 | f->async_visible = 1; |
2641 | f->async_iconified = 0; | |
f676886a | 2642 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2643 | } |
2644 | else | |
f451eb13 JB |
2645 | { |
2646 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2647 | event.xexpose.x, event.xexpose.y, | |
2648 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2649 | } |
2650 | } | |
2651 | else | |
2652 | { | |
ab648270 JB |
2653 | struct scroll_bar *bar |
2654 | = x_window_to_scroll_bar (event.xexpose.window); | |
f451eb13 JB |
2655 | |
2656 | if (bar) | |
ab648270 | 2657 | x_scroll_bar_expose (bar, &event); |
dc6f92b8 JB |
2658 | } |
2659 | break; | |
2660 | ||
2661 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2662 | source area was obscured or not | |
2663 | available.*/ | |
f451eb13 JB |
2664 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2665 | if (f) | |
2666 | { | |
2667 | dumprectangle (f, | |
2668 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2669 | event.xgraphicsexpose.width, | |
2670 | event.xgraphicsexpose.height); | |
f451eb13 | 2671 | } |
dc6f92b8 JB |
2672 | break; |
2673 | ||
2674 | case NoExpose: /* This occurs when an XCopyArea's | |
2675 | source area was completely | |
2676 | available */ | |
2677 | break; | |
c118dd06 | 2678 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2679 | case ExposeWindow: |
2680 | if (event.subwindow != 0) | |
2681 | break; /* duplicate event */ | |
f676886a JB |
2682 | f = x_window_to_frame (event.window); |
2683 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2684 | { |
f676886a | 2685 | refreshicon (f); |
3a88c238 | 2686 | f->async_iconified = 1; |
dc6f92b8 | 2687 | } |
c118dd06 | 2688 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2689 | { |
2690 | /* Say must check all windows' needs_exposure flags. */ | |
2691 | expose_all_windows = 1; | |
f676886a | 2692 | f->display.x->needs_exposure = 1; |
3a88c238 | 2693 | f->async_visible = 1; |
dc6f92b8 JB |
2694 | } |
2695 | break; | |
2696 | ||
2697 | case ExposeRegion: | |
2698 | if (event.subwindow != 0) | |
2699 | break; /* duplicate event */ | |
f676886a JB |
2700 | f = x_window_to_frame (event.window); |
2701 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2702 | { |
f676886a | 2703 | refreshicon (f); |
dc6f92b8 JB |
2704 | break; |
2705 | } | |
2706 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2707 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2708 | break; |
2709 | /* Put the event on the queue of rectangles to redraw. */ | |
2710 | if (enqueue_event (&event, &x_expose_queue)) | |
2711 | /* If it is full, we can't record the rectangle, | |
2712 | so redraw this entire window. */ | |
2713 | { | |
2714 | /* Say must check all windows' needs_exposure flags. */ | |
2715 | expose_all_windows = 1; | |
f676886a | 2716 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2717 | } |
2718 | break; | |
2719 | ||
2720 | case ExposeCopy: | |
2721 | /* This should happen only when we are expecting it, | |
2722 | in x_read_exposes. */ | |
2723 | abort (); | |
c118dd06 | 2724 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2725 | |
2726 | #ifdef HAVE_X11 | |
2727 | case UnmapNotify: | |
f451eb13 JB |
2728 | f = x_window_to_frame (event.xunmap.window); |
2729 | if (f) /* F may no longer exist if | |
f676886a | 2730 | the frame was deleted. */ |
f451eb13 JB |
2731 | { |
2732 | /* While a frame is unmapped, display generation is | |
2733 | disabled; you don't want to spend time updating a | |
2734 | display that won't ever be seen. */ | |
2735 | f->async_visible = 0; | |
2736 | } | |
dc6f92b8 JB |
2737 | break; |
2738 | ||
2739 | case MapNotify: | |
f676886a JB |
2740 | f = x_window_to_frame (event.xmap.window); |
2741 | if (f) | |
dc6f92b8 | 2742 | { |
3a88c238 JB |
2743 | f->async_visible = 1; |
2744 | f->async_iconified = 0; | |
dc6f92b8 JB |
2745 | |
2746 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2747 | the frame's display structures. */ |
2748 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2749 | } |
2750 | break; | |
2751 | ||
2752 | /* Turn off processing if we become fully obscured. */ | |
2753 | case VisibilityNotify: | |
2754 | break; | |
2755 | ||
c118dd06 | 2756 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2757 | case UnmapWindow: |
f676886a JB |
2758 | f = x_window_to_frame (event.window); |
2759 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2760 | f->async_iconified = 0; |
c118dd06 | 2761 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2762 | f->async_visible = 0; |
dc6f92b8 | 2763 | break; |
c118dd06 | 2764 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2765 | |
2766 | #ifdef HAVE_X11 | |
2767 | case KeyPress: | |
f676886a | 2768 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2769 | |
f676886a | 2770 | if (f != 0) |
dc6f92b8 JB |
2771 | { |
2772 | KeySym keysym; | |
dc6f92b8 | 2773 | char copy_buffer[80]; |
64bb1782 RS |
2774 | int modifiers; |
2775 | ||
2776 | event.xkey.state |= extra_keyboard_modifiers; | |
2777 | modifiers = event.xkey.state; | |
3a2712f9 JB |
2778 | |
2779 | /* Some keyboards generate different characters | |
2780 | depending on the state of the meta key, in an attempt | |
2781 | to support non-English typists. It would be nice to | |
2782 | keep this functionality somehow, but for now, we will | |
2783 | just clear the meta-key flag to get the 'pure' character. */ | |
2784 | event.xkey.state &= ~Mod1Mask; | |
dc6f92b8 | 2785 | |
11edeb03 JB |
2786 | /* This will have to go some day... */ |
2787 | nbytes = | |
2788 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2789 | &compose_status); | |
dc6f92b8 | 2790 | |
55123275 JB |
2791 | /* Strip off the vendor-specific keysym bit, and take a shot |
2792 | at recognizing the codes. HP servers have extra keysyms | |
2793 | that fit into the MiscFunctionKey category. */ | |
2794 | keysym &= ~(1<<28); | |
2795 | ||
dc6f92b8 JB |
2796 | if (numchars > 1) |
2797 | { | |
a3c44b14 RS |
2798 | if ((keysym >= XK_BackSpace && keysym <= XK_Escape) |
2799 | || keysym == XK_Delete | |
2800 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
55123275 JB |
2801 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < 0xff80 */ |
2802 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ | |
2803 | || IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */ | |
dc6f92b8 | 2804 | { |
10e6549c RS |
2805 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2806 | temp_index = 0; | |
2807 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 2808 | bufp->kind = non_ascii_keystroke; |
a3c44b14 | 2809 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff00); |
12ba150f | 2810 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
3a2712f9 | 2811 | bufp->modifiers = x_convert_modifiers (modifiers); |
1113d9db | 2812 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2813 | bufp++; |
2814 | count++; | |
2815 | numchars--; | |
2816 | } | |
2817 | else if (numchars > nbytes) | |
2818 | { | |
2819 | register int i; | |
2820 | ||
10e6549c | 2821 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 2822 | { |
10e6549c RS |
2823 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2824 | temp_index = 0; | |
2825 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 2826 | bufp->kind = ascii_keystroke; |
10e6549c | 2827 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); |
12ba150f | 2828 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
80ec1ba2 | 2829 | bufp->modifiers = x_convert_modifiers (modifiers); |
1113d9db | 2830 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2831 | bufp++; |
2832 | } | |
dc6f92b8 JB |
2833 | |
2834 | count += nbytes; | |
2835 | numchars -= nbytes; | |
2836 | } | |
10e6549c RS |
2837 | else |
2838 | abort (); | |
dc6f92b8 | 2839 | } |
10e6549c RS |
2840 | else |
2841 | abort (); | |
dc6f92b8 JB |
2842 | } |
2843 | break; | |
c118dd06 | 2844 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2845 | case KeyPressed: |
2846 | { | |
2847 | register char *where_mapping; | |
2848 | ||
f676886a | 2849 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2850 | /* Ignore keys typed on icon windows. */ |
f676886a | 2851 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2852 | break; |
2853 | where_mapping = XLookupMapping (&event, &nbytes); | |
2854 | /* Nasty fix for arrow keys */ | |
2855 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2856 | { | |
2857 | switch (event.detail & 0xff) | |
2858 | { | |
2859 | case KC_CURSOR_LEFT: | |
2860 | where_mapping = "\002"; | |
2861 | break; | |
2862 | case KC_CURSOR_RIGHT: | |
2863 | where_mapping = "\006"; | |
2864 | break; | |
2865 | case KC_CURSOR_UP: | |
2866 | where_mapping = "\020"; | |
2867 | break; | |
2868 | case KC_CURSOR_DOWN: | |
2869 | where_mapping = "\016"; | |
2870 | break; | |
2871 | } | |
2872 | nbytes = 1; | |
2873 | } | |
2874 | if (numchars - nbytes > 0) | |
2875 | { | |
2876 | register int i; | |
2877 | ||
2878 | for (i = 0; i < nbytes; i++) | |
2879 | { | |
2880 | bufp->kind = ascii_keystroke; | |
2881 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2882 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 2883 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
2884 | bufp++; |
2885 | } | |
2886 | count += nbytes; | |
2887 | numchars -= nbytes; | |
2888 | } | |
2889 | } | |
2890 | break; | |
c118dd06 | 2891 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2892 | |
2893 | #ifdef HAVE_X11 | |
f451eb13 JB |
2894 | |
2895 | /* Here's a possible interpretation of the whole | |
2896 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
2897 | FocusIn event, you have to get a FocusOut event before you | |
2898 | relinquish the focus. If you haven't received a FocusIn event, | |
2899 | then a mere LeaveNotify is enough to free you. */ | |
2900 | ||
dc6f92b8 | 2901 | case EnterNotify: |
f676886a | 2902 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 2903 | |
f451eb13 | 2904 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 2905 | { |
dc6f92b8 | 2906 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
2907 | if (f && (!(f->auto_raise) |
2908 | || !(f->auto_lower) | |
dc6f92b8 JB |
2909 | || (event.xcrossing.time - enter_timestamp) > 500)) |
2910 | { | |
f676886a | 2911 | x_new_focus_frame (f); |
dc6f92b8 JB |
2912 | enter_timestamp = event.xcrossing.time; |
2913 | } | |
dc6f92b8 | 2914 | } |
f676886a JB |
2915 | else if (f == x_focus_frame) |
2916 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2917 | |
2918 | break; | |
2919 | ||
2920 | case FocusIn: | |
f676886a | 2921 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2922 | if (event.xfocus.detail != NotifyPointer) |
2923 | x_focus_event_frame = f; | |
f676886a JB |
2924 | if (f) |
2925 | x_new_focus_frame (f); | |
dc6f92b8 JB |
2926 | break; |
2927 | ||
f451eb13 | 2928 | |
dc6f92b8 | 2929 | case LeaveNotify: |
f451eb13 | 2930 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 2931 | |
f451eb13 JB |
2932 | if (event.xcrossing.focus) |
2933 | { | |
2934 | if (! x_focus_event_frame) | |
2935 | x_new_focus_frame (0); | |
2936 | else | |
f676886a | 2937 | x_new_focus_frame (f); |
f451eb13 JB |
2938 | } |
2939 | else | |
2940 | { | |
2941 | if (f == x_focus_event_frame) | |
2942 | x_focus_event_frame = 0; | |
2943 | if (f == x_focus_frame) | |
f676886a | 2944 | x_new_focus_frame (0); |
dc6f92b8 JB |
2945 | } |
2946 | break; | |
2947 | ||
2948 | case FocusOut: | |
f676886a | 2949 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2950 | if (event.xfocus.detail != NotifyPointer |
2951 | && f == x_focus_event_frame) | |
2952 | x_focus_event_frame = 0; | |
f676886a JB |
2953 | if (f && f == x_focus_frame) |
2954 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2955 | break; |
2956 | ||
c118dd06 | 2957 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2958 | |
2959 | case EnterWindow: | |
2960 | if ((event.detail & 0xFF) == 1) | |
2961 | break; /* Coming from our own subwindow */ | |
2962 | if (event.subwindow != 0) | |
2963 | break; /* Entering our own subwindow. */ | |
2964 | ||
2965 | { | |
f676886a JB |
2966 | f = x_window_to_frame (event.window); |
2967 | x_mouse_frame = f; | |
dc6f92b8 | 2968 | |
f676886a | 2969 | x_new_focus_frame (f); |
dc6f92b8 JB |
2970 | } |
2971 | break; | |
2972 | ||
2973 | case LeaveWindow: | |
2974 | if ((event.detail & 0xFF) == 1) | |
2975 | break; /* Entering our own subwindow */ | |
2976 | if (event.subwindow != 0) | |
2977 | break; /* Leaving our own subwindow. */ | |
2978 | ||
f676886a JB |
2979 | x_mouse_frame = 0; |
2980 | if (x_focus_frame == 0 | |
2981 | && x_input_frame != 0 | |
2982 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 2983 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 2984 | { |
f676886a JB |
2985 | f = x_input_frame; |
2986 | x_input_frame = 0; | |
2987 | if (f) | |
2988 | frame_unhighlight (f); | |
dc6f92b8 JB |
2989 | } |
2990 | break; | |
c118dd06 | 2991 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2992 | |
2993 | #ifdef HAVE_X11 | |
2994 | case MotionNotify: | |
2995 | { | |
f676886a JB |
2996 | f = x_window_to_frame (event.xmotion.window); |
2997 | if (f) | |
12ba150f | 2998 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 2999 | else |
dc6f92b8 | 3000 | { |
ab648270 JB |
3001 | struct scroll_bar *bar = |
3002 | x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3003 | |
3004 | if (bar) | |
ab648270 | 3005 | x_scroll_bar_note_movement (bar, &event); |
dc6f92b8 | 3006 | } |
dc6f92b8 JB |
3007 | } |
3008 | break; | |
3009 | ||
3010 | case ConfigureNotify: | |
dbc4e1c1 JB |
3011 | f = x_window_to_frame (event.xconfigure.window); |
3012 | if (f) | |
3013 | { | |
3014 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3015 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3016 | ||
3017 | /* Even if the number of character rows and columns has | |
3018 | not changed, the font size may have changed, so we need | |
3019 | to check the pixel dimensions as well. */ | |
3020 | if (columns != f->width | |
3021 | || rows != f->height | |
3022 | || event.xconfigure.width != f->display.x->pixel_width | |
3023 | || event.xconfigure.height != f->display.x->pixel_height) | |
3024 | { | |
3025 | change_frame_size (f, rows, columns, 0, 1); | |
3026 | SET_FRAME_GARBAGED (f); | |
3027 | } | |
dc6f92b8 | 3028 | |
dbc4e1c1 JB |
3029 | f->display.x->pixel_width = event.xconfigure.width; |
3030 | f->display.x->pixel_height = event.xconfigure.height; | |
3031 | f->display.x->left_pos = event.xconfigure.x; | |
3032 | f->display.x->top_pos = event.xconfigure.y; | |
3033 | } | |
3034 | break; | |
dc6f92b8 JB |
3035 | |
3036 | case ButtonPress: | |
3037 | case ButtonRelease: | |
3038 | { | |
3039 | /* If we decide we want to generate an event to be seen | |
3040 | by the rest of Emacs, we put it here. */ | |
3041 | struct input_event emacs_event; | |
3042 | emacs_event.kind = no_event; | |
3043 | ||
f676886a JB |
3044 | f = x_window_to_frame (event.xbutton.window); |
3045 | if (f) | |
f451eb13 JB |
3046 | { |
3047 | if (!x_focus_frame || (f == x_focus_frame)) | |
3048 | construct_mouse_click (&emacs_event, | |
b10fd412 | 3049 | &event, f); |
f451eb13 | 3050 | } |
dc6f92b8 | 3051 | else |
f451eb13 | 3052 | { |
ab648270 JB |
3053 | struct scroll_bar *bar = |
3054 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3055 | |
3056 | if (bar) | |
ab648270 | 3057 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
f451eb13 | 3058 | } |
dc6f92b8 JB |
3059 | |
3060 | if (numchars >= 1 && emacs_event.kind != no_event) | |
3061 | { | |
3062 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3063 | bufp++; | |
3064 | count++; | |
3065 | numchars--; | |
3066 | } | |
3067 | } | |
3068 | break; | |
3069 | ||
c118dd06 | 3070 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3071 | case ButtonPressed: |
3072 | case ButtonReleased: | |
f676886a JB |
3073 | f = x_window_to_frame (event.window); |
3074 | if (f) | |
dc6f92b8 | 3075 | { |
f676886a | 3076 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 3077 | { |
f676886a | 3078 | x_make_frame_visible (f); |
dc6f92b8 JB |
3079 | |
3080 | if (warp_mouse_on_deiconify) | |
c118dd06 | 3081 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
3082 | break; |
3083 | } | |
c118dd06 | 3084 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 3085 | { |
f676886a JB |
3086 | if (f->auto_raise) |
3087 | x_raise_frame (f); | |
dc6f92b8 JB |
3088 | } |
3089 | } | |
3090 | enqueue_event (&event, &x_mouse_queue); | |
3091 | if (numchars >= 2) | |
3092 | { | |
3093 | bufp->kind = ascii_keystroke; | |
3094 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 3095 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3096 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3097 | bufp++; |
3098 | ||
3099 | bufp->kind = ascii_keystroke; | |
3100 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 3101 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3102 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3103 | bufp++; |
3104 | ||
3105 | count += 2; | |
3106 | numchars -= 2; | |
3107 | } | |
3108 | break; | |
c118dd06 | 3109 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3110 | |
3111 | #ifdef HAVE_X11 | |
3112 | ||
3113 | case CirculateNotify: | |
3114 | break; | |
3115 | case CirculateRequest: | |
3116 | break; | |
3117 | ||
c118dd06 | 3118 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3119 | |
3120 | case MappingNotify: | |
11edeb03 JB |
3121 | /* Someone has changed the keyboard mapping - update the |
3122 | local cache. */ | |
3123 | switch (event.xmapping.request) | |
3124 | { | |
3125 | case MappingModifier: | |
3126 | x_find_modifier_meanings (); | |
3127 | /* This is meant to fall through. */ | |
3128 | case MappingKeyboard: | |
3129 | XRefreshKeyboardMapping (&event.xmapping); | |
3130 | } | |
dc6f92b8 JB |
3131 | break; |
3132 | ||
3133 | default: | |
3134 | break; | |
3135 | } | |
3136 | } | |
3137 | ||
3138 | #if 0 | |
3139 | #ifdef HAVE_SELECT | |
3140 | if (expected && ! event_found) | |
3141 | { | |
3142 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3143 | there is an EOF condition; in other words, that X has died. | |
3144 | Act as if there had been a hangup. */ | |
3145 | ||
3146 | int fd = ConnectionNumber (x_current_display); | |
3147 | int mask = 1 << fd; | |
3148 | ||
3149 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 3150 | (EMACS_TIME) 0) |
dc6f92b8 JB |
3151 | && !XStuffPending ()) |
3152 | kill (getpid (), SIGHUP); | |
3153 | } | |
c118dd06 JB |
3154 | #endif /* ! defined (HAVE_SELECT) */ |
3155 | #endif /* ! 0 */ | |
dc6f92b8 | 3156 | |
f451eb13 | 3157 | #ifndef HAVE_X11 |
f676886a | 3158 | if (updating_frame == 0) |
dc6f92b8 | 3159 | x_do_pending_expose (); |
f451eb13 | 3160 | #endif |
dc6f92b8 JB |
3161 | |
3162 | UNBLOCK_INPUT; | |
3163 | return count; | |
3164 | } | |
3165 | ||
3166 | #ifndef HAVE_X11 | |
3167 | /* Read and process only Expose events | |
3168 | until we get an ExposeCopy event; then return. | |
3169 | This is used in insert/delete line. | |
3170 | We assume input is already blocked. */ | |
3171 | ||
3172 | static void | |
3173 | x_read_exposes () | |
3174 | { | |
f676886a | 3175 | struct frame *f; |
dc6f92b8 JB |
3176 | XKeyPressedEvent event; |
3177 | ||
3178 | while (1) | |
3179 | { | |
3180 | /* while there are more events*/ | |
3181 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3182 | switch (event.type) | |
3183 | { | |
3184 | case ExposeWindow: | |
3185 | if (event.subwindow != 0) | |
3186 | break; /* duplicate event */ | |
f676886a JB |
3187 | f = x_window_to_frame (event.window); |
3188 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3189 | { |
f676886a | 3190 | refreshicon (f); |
dc6f92b8 JB |
3191 | break; |
3192 | } | |
c118dd06 | 3193 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3194 | { |
3195 | expose_all_windows = 1; | |
f676886a | 3196 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3197 | break; |
3198 | } | |
3199 | break; | |
3200 | ||
3201 | case ExposeRegion: | |
3202 | if (event.subwindow != 0) | |
3203 | break; /* duplicate event */ | |
f676886a JB |
3204 | f = x_window_to_frame (event.window); |
3205 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3206 | { |
f676886a | 3207 | refreshicon (f); |
dc6f92b8 JB |
3208 | break; |
3209 | } | |
3210 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3211 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3212 | break; |
3213 | /* Put the event on the queue of rectangles to redraw. */ | |
3214 | if (enqueue_event (&event, &x_expose_queue)) | |
3215 | /* If it is full, we can't record the rectangle, | |
3216 | so redraw this entire window. */ | |
3217 | { | |
3218 | /* Say must check all windows' needs_exposure flags. */ | |
3219 | expose_all_windows = 1; | |
f676886a | 3220 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3221 | } |
3222 | break; | |
3223 | ||
3224 | case ExposeCopy: | |
3225 | return; | |
3226 | } | |
3227 | } | |
3228 | } | |
3229 | #endif /* HAVE_X11 */ | |
3230 | ||
dc6f92b8 | 3231 | \f |
f451eb13 JB |
3232 | /* Drawing the cursor. */ |
3233 | ||
3234 | ||
dc6f92b8 JB |
3235 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3236 | ||
3237 | static void | |
f676886a JB |
3238 | x_draw_box (f) |
3239 | struct frame *f; | |
dc6f92b8 | 3240 | { |
12ba150f JB |
3241 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3242 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3243 | int width = FONT_WIDTH (f->display.x->font); |
3244 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3245 | |
3246 | #ifdef HAVE_X11 | |
c118dd06 | 3247 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3248 | f->display.x->cursor_gc, |
dc6f92b8 | 3249 | left, top, width - 1, height - 1); |
c118dd06 JB |
3250 | #else /* ! defined (HAVE_X11) */ |
3251 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3252 | left, top, width, 1, |
f676886a | 3253 | f->display.x->cursor_pixel); |
dc6f92b8 | 3254 | |
c118dd06 | 3255 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3256 | left, top, 1, height, |
f676886a | 3257 | f->display.x->cursor_pixel); |
dc6f92b8 | 3258 | |
c118dd06 | 3259 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3260 | left+width-1, top, 1, height, |
f676886a | 3261 | f->display.x->cursor_pixel); |
dc6f92b8 | 3262 | |
c118dd06 | 3263 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3264 | left, top+height-1, width, 1, |
f676886a | 3265 | f->display.x->cursor_pixel); |
c118dd06 | 3266 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3267 | } |
3268 | ||
f676886a | 3269 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3270 | and mark the cursor as not shown. |
3271 | This is used when the text where the cursor is | |
3272 | is about to be rewritten. */ | |
3273 | ||
3274 | static void | |
f676886a JB |
3275 | clear_cursor (f) |
3276 | struct frame *f; | |
dc6f92b8 JB |
3277 | { |
3278 | int mask; | |
3279 | ||
f451eb13 | 3280 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3281 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3282 | return; |
3283 | ||
3284 | #ifdef HAVE_X11 | |
f676886a | 3285 | x_display_cursor (f, 0); |
c118dd06 JB |
3286 | #else /* ! defined (HAVE_X11) */ |
3287 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3288 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3289 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3290 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3291 | f->display.x->background_pixel); | |
c118dd06 | 3292 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3293 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3294 | } |
3295 | ||
f676886a | 3296 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3297 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3298 | glyph drawn. */ | |
dc6f92b8 JB |
3299 | |
3300 | static void | |
f676886a JB |
3301 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3302 | struct frame *f; | |
dc6f92b8 | 3303 | int row, column; |
90e65f07 | 3304 | GLYPH glyph; |
dc6f92b8 JB |
3305 | int highlight; |
3306 | { | |
f676886a | 3307 | dumpglyphs (f, |
12ba150f JB |
3308 | CHAR_TO_PIXEL_COL (f, column), |
3309 | CHAR_TO_PIXEL_ROW (f, row), | |
f676886a | 3310 | &glyph, 1, highlight, f->display.x->font); |
dc6f92b8 JB |
3311 | } |
3312 | ||
dc6f92b8 | 3313 | static void |
dbc4e1c1 | 3314 | x_display_bar_cursor (f, on) |
f676886a | 3315 | struct frame *f; |
dc6f92b8 JB |
3316 | int on; |
3317 | { | |
f676886a | 3318 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3319 | |
49d838ea JB |
3320 | /* This is pointless on invisible frames, and dangerous on garbaged |
3321 | frames; in the latter case, the frame may be in the midst of | |
3322 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3323 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
3324 | return; |
3325 | ||
3326 | if (! on && f->phys_cursor_x < 0) | |
3327 | return; | |
3328 | ||
f676886a | 3329 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3330 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3331 | if (f != updating_frame) |
1113d9db | 3332 | { |
f676886a JB |
3333 | curs_x = FRAME_CURSOR_X (f); |
3334 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3335 | } |
3336 | ||
dbc4e1c1 JB |
3337 | /* If there is anything wrong with the current cursor state, remove it. */ |
3338 | if (f->phys_cursor_x >= 0 | |
3339 | && (!on | |
3340 | || f->phys_cursor_x != curs_x | |
3341 | || f->phys_cursor_y != curs_y | |
3342 | || f->display.x->current_cursor != bar_cursor)) | |
3343 | { | |
3344 | /* Erase the cursor by redrawing the character underneath it. */ | |
3345 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3346 | f->phys_cursor_glyph, | |
3347 | current_glyphs->highlight[f->phys_cursor_y]); | |
3348 | f->phys_cursor_x = -1; | |
3349 | } | |
3350 | ||
3351 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3352 | if (on | |
3353 | && (f->phys_cursor_x < 0 | |
3354 | || (f->display.x->current_cursor != bar_cursor))) | |
3355 | { | |
3356 | f->phys_cursor_glyph | |
3357 | = ((current_glyphs->enable[curs_y] | |
3358 | && curs_x < current_glyphs->used[curs_y]) | |
3359 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3360 | : SPACEGLYPH); | |
3361 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3362 | f->display.x->cursor_gc, | |
3363 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3364 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3365 | 1, FONT_HEIGHT (f->display.x->font)); | |
3366 | ||
3367 | f->phys_cursor_x = curs_x; | |
3368 | f->phys_cursor_y = curs_y; | |
3369 | ||
3370 | f->display.x->current_cursor = bar_cursor; | |
3371 | } | |
3372 | ||
3373 | if (updating_frame != f) | |
3374 | XFlushQueue (); | |
3375 | } | |
3376 | ||
3377 | ||
3378 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3379 | If ON is nonzero, where to put the cursor is specified | |
3380 | by F->cursor_x and F->cursor_y. */ | |
3381 | ||
3382 | static void | |
3383 | x_display_box_cursor (f, on) | |
3384 | struct frame *f; | |
3385 | int on; | |
3386 | { | |
3387 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3388 | ||
49d838ea JB |
3389 | /* This is pointless on invisible frames, and dangerous on garbaged |
3390 | frames; in the latter case, the frame may be in the midst of | |
3391 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3392 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
3393 | return; |
3394 | ||
3395 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3396 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3397 | return; |
3398 | ||
dbc4e1c1 JB |
3399 | /* If we're not updating, then we want to use the current frame's |
3400 | cursor position, not our local idea of where the cursor ought to be. */ | |
3401 | if (f != updating_frame) | |
3402 | { | |
3403 | curs_x = FRAME_CURSOR_X (f); | |
3404 | curs_y = FRAME_CURSOR_Y (f); | |
3405 | } | |
3406 | ||
dc6f92b8 JB |
3407 | /* If cursor is currently being shown and we don't want it to be |
3408 | or it is in the wrong place, | |
3409 | or we want a hollow box and it's not so, (pout!) | |
3410 | erase it. */ | |
f676886a | 3411 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3412 | && (!on |
f676886a JB |
3413 | || f->phys_cursor_x != curs_x |
3414 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3415 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3416 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3417 | { |
3418 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3419 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3420 | f->phys_cursor_glyph, | |
3421 | current_glyphs->highlight[f->phys_cursor_y]); | |
3422 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3423 | } |
3424 | ||
3425 | /* If we want to show a cursor, | |
3426 | or we want a box cursor and it's not so, | |
3427 | write it in the right place. */ | |
3428 | if (on | |
f676886a | 3429 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3430 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3431 | && f == x_highlight_frame))) |
dc6f92b8 | 3432 | { |
f676886a | 3433 | f->phys_cursor_glyph |
1113d9db JB |
3434 | = ((current_glyphs->enable[curs_y] |
3435 | && curs_x < current_glyphs->used[curs_y]) | |
3436 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3437 | : SPACEGLYPH); |
f676886a | 3438 | if (f != x_highlight_frame) |
dc6f92b8 | 3439 | { |
f676886a | 3440 | x_draw_box (f); |
dbc4e1c1 | 3441 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3442 | } |
3443 | else | |
3444 | { | |
f676886a JB |
3445 | x_draw_single_glyph (f, curs_y, curs_x, |
3446 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3447 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3448 | } |
3449 | ||
f676886a JB |
3450 | f->phys_cursor_x = curs_x; |
3451 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3452 | } |
3453 | ||
f676886a | 3454 | if (updating_frame != f) |
dc6f92b8 JB |
3455 | XFlushQueue (); |
3456 | } | |
3457 | ||
f676886a JB |
3458 | x_display_cursor (f, on) |
3459 | struct frame *f; | |
dc6f92b8 JB |
3460 | int on; |
3461 | { | |
dbc4e1c1 | 3462 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3463 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3464 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3465 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3466 | else |
3467 | /* Those are the only two we have implemented! */ | |
3468 | abort (); | |
dc6f92b8 JB |
3469 | } |
3470 | \f | |
3471 | /* Icons. */ | |
3472 | ||
f676886a | 3473 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3474 | when we get an expose event for it. */ |
3475 | ||
f676886a JB |
3476 | refreshicon (f) |
3477 | struct frame *f; | |
dc6f92b8 JB |
3478 | { |
3479 | #ifdef HAVE_X11 | |
3480 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3481 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3482 | int mask; |
3483 | ||
f676886a JB |
3484 | if (f->display.x->icon_bitmap_flag) |
3485 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3486 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3487 | icon_bitmap, GXcopy, AllPlanes); | |
3488 | else | |
3489 | { | |
f676886a | 3490 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3491 | struct Lisp_String *str; |
3492 | unsigned char *string; | |
3493 | ||
3494 | string | |
f676886a | 3495 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3496 | |
f676886a | 3497 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3498 | { |
f676886a JB |
3499 | f->display.x->icon_label = string; |
3500 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3501 | XQueryWidth (string, icon_font_info->id) + 10, |
3502 | icon_font_info->height + 10); | |
3503 | } | |
3504 | ||
f676886a | 3505 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3506 | str->size, icon_font_info->id, |
3507 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3508 | } | |
3509 | XFlushQueue (); | |
c118dd06 | 3510 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3511 | } |
3512 | ||
dbc4e1c1 | 3513 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
3514 | |
3515 | int | |
f676886a JB |
3516 | x_bitmap_icon (f) |
3517 | struct frame *f; | |
dc6f92b8 JB |
3518 | { |
3519 | int mask; | |
3520 | Window icon_window; | |
3521 | ||
c118dd06 | 3522 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3523 | return 1; |
3524 | ||
3525 | #ifdef HAVE_X11 | |
3526 | if (icon_bitmap) | |
3527 | XFreePixmap (x_current_display, icon_bitmap); | |
3528 | ||
3529 | icon_bitmap = | |
c118dd06 | 3530 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3531 | gnu_bits, gnu_width, gnu_height); |
f676886a JB |
3532 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3533 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3534 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3535 | if (f->display.x->icon_desc) |
dc6f92b8 | 3536 | { |
c118dd06 | 3537 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3538 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3539 | } |
3540 | ||
f676886a | 3541 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3542 | 0, 0, sink_width, sink_height, |
3543 | 2, WhitePixmap, (Pixmap) NULL); | |
3544 | ||
3545 | if (icon_window == 0) | |
3546 | return 1; | |
3547 | ||
c118dd06 | 3548 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3549 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3550 | ||
f676886a JB |
3551 | f->display.x->icon_desc = icon_window; |
3552 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3553 | |
3554 | if (icon_bitmap == 0) | |
3555 | icon_bitmap | |
3556 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3557 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3558 | |
3559 | return 0; | |
3560 | } | |
3561 | ||
3562 | ||
f676886a | 3563 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3564 | |
3565 | int | |
f676886a JB |
3566 | x_text_icon (f, icon_name) |
3567 | struct frame *f; | |
dc6f92b8 JB |
3568 | char *icon_name; |
3569 | { | |
3570 | #ifndef HAVE_X11 | |
3571 | int mask; | |
3572 | int width; | |
3573 | Window icon_window; | |
3574 | char *X_DefaultValue; | |
3575 | Bitmap b1; | |
3576 | ||
dc6f92b8 JB |
3577 | #ifndef WhitePixel |
3578 | #define WhitePixel 1 | |
c118dd06 | 3579 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3580 | |
3581 | #ifndef BlackPixel | |
3582 | #define BlackPixel 0 | |
c118dd06 JB |
3583 | #endif /* BlackPixel */ |
3584 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3585 | |
c118dd06 | 3586 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3587 | return 1; |
3588 | ||
dc6f92b8 JB |
3589 | #ifdef HAVE_X11 |
3590 | if (icon_name) | |
f676886a | 3591 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3592 | else |
f676886a JB |
3593 | if (! f->display.x->icon_label) |
3594 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3595 | |
c118dd06 | 3596 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3597 | (char *) f->display.x->icon_label); |
dc6f92b8 | 3598 | |
f676886a | 3599 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3600 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3601 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
3602 | if (icon_font_info == 0) |
3603 | icon_font_info | |
3604 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 3605 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
3606 | "BodyFont")); |
3607 | ||
f676886a | 3608 | if (f->display.x->icon_desc) |
dc6f92b8 | 3609 | { |
c118dd06 | 3610 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3611 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3612 | } |
3613 | ||
3614 | if (icon_name) | |
f676886a | 3615 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3616 | else |
f676886a JB |
3617 | if (! f->display.x->icon_label) |
3618 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3619 | |
f676886a JB |
3620 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3621 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3622 | f->display.x->left_pos, | |
3623 | f->display.x->top_pos, | |
dc6f92b8 JB |
3624 | width + 10, icon_font_info->height + 10, |
3625 | 2, BlackPixmap, WhitePixmap); | |
3626 | ||
3627 | if (icon_window == 0) | |
3628 | return 1; | |
3629 | ||
c118dd06 | 3630 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3631 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3632 | ||
f676886a JB |
3633 | f->display.x->icon_desc = icon_window; |
3634 | f->display.x->icon_bitmap_flag = 0; | |
3635 | f->display.x->icon_label = 0; | |
c118dd06 | 3636 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3637 | |
3638 | return 0; | |
3639 | } | |
3640 | \f | |
4746118a JB |
3641 | /* Handling X errors. */ |
3642 | ||
12ba150f JB |
3643 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3644 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3645 | |
4746118a | 3646 | static SIGTYPE |
c118dd06 | 3647 | x_connection_closed () |
4746118a JB |
3648 | { |
3649 | if (_Xdebug) | |
3650 | abort (); | |
12ba150f JB |
3651 | |
3652 | shut_down_emacs (0); | |
3653 | ||
3654 | exit (70); | |
4746118a JB |
3655 | } |
3656 | ||
8922af5f JB |
3657 | /* An X error handler which prints an error message and then kills |
3658 | Emacs. This is what's normally installed as Xlib's handler for | |
3659 | protocol errors. */ | |
c118dd06 JB |
3660 | static int |
3661 | x_error_quitter (display, error) | |
3662 | Display *display; | |
3663 | XErrorEvent *error; | |
3664 | { | |
3665 | char buf[256]; | |
dc6f92b8 | 3666 | |
c118dd06 JB |
3667 | /* Note that there is no real way portable across R3/R4 to get the |
3668 | original error handler. */ | |
dc6f92b8 | 3669 | |
c118dd06 JB |
3670 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3671 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3672 | buf, error->request_code); | |
dc6f92b8 | 3673 | |
12ba150f JB |
3674 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3675 | get an X error, so we can figure out why it happened. */ | |
3676 | abort (); | |
3677 | ||
c118dd06 | 3678 | x_connection_closed (); |
dc6f92b8 JB |
3679 | } |
3680 | ||
8922af5f JB |
3681 | /* A handler for X IO errors which prints an error message and then |
3682 | kills Emacs. This is what is always installed as Xlib's handler | |
3683 | for I/O errors. */ | |
3684 | static int | |
3685 | x_io_error_quitter (display) | |
3686 | Display *display; | |
3687 | { | |
3688 | fprintf (stderr, "Connection to X server %s lost.\n", | |
3689 | XDisplayName (DisplayString (display))); | |
3690 | ||
3691 | /* While we're testing Emacs 19, we'll just dump core whenever we | |
3692 | get an X error, so we can figure out why it happened. */ | |
3693 | abort (); | |
3694 | ||
3695 | x_connection_closed (); | |
3696 | } | |
3697 | ||
c118dd06 JB |
3698 | /* A buffer for storing X error messages. */ |
3699 | static char (*x_caught_error_message)[200]; | |
3700 | ||
3701 | /* An X error handler which stores the error message in | |
3702 | x_caught_error_message. This is what's installed when | |
3703 | x_catch_errors is in effect. */ | |
3704 | static int | |
3705 | x_error_catcher (display, error) | |
3706 | Display *display; | |
3707 | XErrorEvent *error; | |
3708 | { | |
3709 | XGetErrorText (display, error->error_code, | |
3710 | *x_caught_error_message, sizeof (*x_caught_error_message)); | |
3711 | } | |
3712 | ||
3713 | ||
3714 | /* Begin trapping X errors. | |
dc6f92b8 | 3715 | |
c118dd06 JB |
3716 | After calling this function, X protocol errors no longer cause |
3717 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3718 | |
c118dd06 JB |
3719 | Calling x_check_errors signals an Emacs error if an X error has |
3720 | occurred since the last call to x_catch_errors or x_check_errors. | |
3721 | ||
3722 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3723 | ||
3724 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3725 | ||
3726 | void | |
3727 | x_catch_errors () | |
dc6f92b8 | 3728 | { |
c118dd06 JB |
3729 | /* Make sure any errors from previous requests have been dealt with. */ |
3730 | XSync (x_current_display, False); | |
dc6f92b8 | 3731 | |
c118dd06 JB |
3732 | /* Set up the error buffer. */ |
3733 | x_caught_error_message = | |
3734 | (char (*)[]) xmalloc (sizeof (*x_caught_error_message)); | |
d872b748 | 3735 | (*x_caught_error_message)[0] = '\0'; |
16bd92ea | 3736 | |
c118dd06 JB |
3737 | /* Install our little error handler. */ |
3738 | XHandleError (x_error_catcher); | |
3739 | } | |
16bd92ea | 3740 | |
c118dd06 JB |
3741 | /* If any X protocol errors have arrived since the last call to |
3742 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3743 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3744 | void | |
3745 | x_check_errors (format) | |
3746 | char *format; | |
3747 | { | |
3748 | /* Make sure to catch any errors incurred so far. */ | |
3749 | XSync (x_current_display, False); | |
16bd92ea | 3750 | |
c118dd06 JB |
3751 | if ((*x_caught_error_message)[0]) |
3752 | { | |
3753 | char buf[256]; | |
3754 | ||
3755 | sprintf (buf, format, *x_caught_error_message); | |
9ac0d9e0 | 3756 | xfree (x_caught_error_message); |
dc6f92b8 | 3757 | |
c118dd06 JB |
3758 | x_uncatch_errors (); |
3759 | error (buf); | |
3760 | } | |
3761 | } | |
3762 | ||
3763 | void | |
3764 | x_uncatch_errors () | |
3765 | { | |
9ac0d9e0 | 3766 | xfree (x_caught_error_message); |
c118dd06 | 3767 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
3768 | } |
3769 | ||
dc6f92b8 JB |
3770 | #if 0 |
3771 | static unsigned int x_wire_count; | |
3772 | x_trace_wire () | |
3773 | { | |
3774 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3775 | } | |
c118dd06 | 3776 | #endif /* ! 0 */ |
dc6f92b8 JB |
3777 | |
3778 | \f | |
f451eb13 JB |
3779 | /* Changing the font of the frame. */ |
3780 | ||
f676886a | 3781 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3782 | to the font named NEWNAME. This is safe to use |
f676886a | 3783 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3784 | |
3785 | #ifdef HAVE_X11 | |
3786 | ||
3787 | /* A table of all the fonts we have already loaded. */ | |
3788 | static XFontStruct **x_font_table; | |
3789 | ||
3790 | /* The current capacity of x_font_table. */ | |
3791 | static int x_font_table_size; | |
3792 | ||
3793 | /* The number of fonts actually stored in x_font_table. | |
3794 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3795 | 0 <= n_fonts <= x_font_table_size. */ | |
3796 | static int n_fonts; | |
3797 | ||
f676886a JB |
3798 | x_new_font (f, fontname) |
3799 | struct frame *f; | |
dc6f92b8 JB |
3800 | register char *fontname; |
3801 | { | |
3802 | XFontStruct *temp; | |
3803 | int already_loaded; | |
3804 | int n_matching_fonts; | |
3805 | XFontStruct *font_info; | |
3806 | char **font_names; | |
3807 | ||
3808 | /* Get a list of all the fonts that match this name. Once we | |
3809 | have a list of matching fonts, we compare them against the fonts | |
3810 | we already have by comparing font ids. */ | |
3811 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3812 | 1024, &n_matching_fonts, | |
3813 | &font_info); | |
3814 | /* If the server couldn't find any fonts whose named matched fontname, | |
3815 | return an error code. */ | |
3816 | if (n_matching_fonts == 0) | |
3817 | return 1; | |
3818 | ||
90e65f07 | 3819 | /* See if we've already loaded a matching font. */ |
dc6f92b8 JB |
3820 | { |
3821 | int i, j; | |
3822 | ||
3823 | already_loaded = 0; | |
3824 | for (i = 0; i < n_fonts; i++) | |
3825 | for (j = 0; j < n_matching_fonts; j++) | |
3826 | if (x_font_table[i]->fid == font_info[j].fid) | |
3827 | { | |
3828 | already_loaded = i; | |
3829 | goto found_font; | |
3830 | } | |
3831 | } | |
3832 | found_font: | |
3833 | ||
3834 | /* If we have, just return it from the table. */ | |
3835 | if (already_loaded) | |
f676886a | 3836 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3837 | |
dc6f92b8 JB |
3838 | /* Otherwise, load the font and add it to the table. */ |
3839 | else | |
3840 | { | |
3841 | XFontStruct *font; | |
3842 | ||
3843 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); | |
3844 | if (! font) | |
3845 | return 1; | |
3846 | ||
3847 | /* Do we need to create the table? */ | |
3848 | if (x_font_table_size == 0) | |
3849 | { | |
3850 | x_font_table_size = 16; | |
3851 | x_font_table | |
3852 | = (XFontStruct **) xmalloc (x_font_table_size | |
3853 | * sizeof (x_font_table[0])); | |
3854 | } | |
3855 | /* Do we need to grow the table? */ | |
3856 | else if (n_fonts >= x_font_table_size) | |
3857 | { | |
90e65f07 | 3858 | x_font_table_size *= 2; |
dc6f92b8 JB |
3859 | x_font_table |
3860 | = (XFontStruct **) xrealloc (x_font_table, | |
3861 | (x_font_table_size | |
3862 | * sizeof (x_font_table[0]))); | |
3863 | } | |
3864 | ||
f676886a | 3865 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
3866 | } |
3867 | ||
3868 | /* Free the information from XListFontsWithInfo. The data | |
3869 | we actually retain comes from XLoadQueryFont. */ | |
3870 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
3871 | ||
f676886a | 3872 | /* Now make the frame display the given font. */ |
c118dd06 | 3873 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 3874 | { |
f676886a JB |
3875 | XSetFont (x_current_display, f->display.x->normal_gc, |
3876 | f->display.x->font->fid); | |
3877 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
3878 | f->display.x->font->fid); | |
3879 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
3880 | f->display.x->font->fid); | |
3881 | ||
3882 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
3883 | } |
3884 | ||
3885 | return 0; | |
3886 | } | |
c118dd06 | 3887 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
3888 | x_new_font (f, newname) |
3889 | struct frame *f; | |
dc6f92b8 JB |
3890 | register char *newname; |
3891 | { | |
3892 | FONT_TYPE *temp; | |
3893 | int mask; | |
3894 | ||
3895 | temp = XGetFont (newname); | |
3896 | if (temp == (FONT_TYPE *) 0) | |
3897 | return 1; | |
3898 | ||
f676886a JB |
3899 | if (f->display.x->font) |
3900 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 3901 | |
f676886a | 3902 | f->display.x->font = temp; |
dc6f92b8 | 3903 | |
c118dd06 | 3904 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 3905 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
3906 | |
3907 | return 0; | |
3908 | } | |
c118dd06 | 3909 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3910 | \f |
f451eb13 JB |
3911 | /* X Window sizes and positions. */ |
3912 | ||
f676886a JB |
3913 | x_calc_absolute_position (f) |
3914 | struct frame *f; | |
dc6f92b8 JB |
3915 | { |
3916 | #ifdef HAVE_X11 | |
f676886a JB |
3917 | if (f->display.x->left_pos < 0) |
3918 | f->display.x->left_pos | |
7c5283e4 | 3919 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 3920 | |
f676886a JB |
3921 | if (f->display.x->top_pos < 0) |
3922 | f->display.x->top_pos | |
7c5283e4 | 3923 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 3924 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3925 | WINDOWINFO_TYPE parentinfo; |
3926 | ||
c118dd06 | 3927 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 3928 | |
f676886a JB |
3929 | if (f->display.x->left_pos < 0) |
3930 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
3931 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 3932 | |
f676886a JB |
3933 | if (f->display.x->top_pos < 0) |
3934 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
3935 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 3936 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3937 | } |
3938 | ||
f676886a JB |
3939 | x_set_offset (f, xoff, yoff) |
3940 | struct frame *f; | |
dc6f92b8 JB |
3941 | register int xoff, yoff; |
3942 | { | |
f676886a JB |
3943 | f->display.x->top_pos = yoff; |
3944 | f->display.x->left_pos = xoff; | |
3945 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
3946 | |
3947 | BLOCK_INPUT; | |
c118dd06 | 3948 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 3949 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 3950 | #ifdef HAVE_X11 |
f676886a | 3951 | x_wm_set_size_hint (f, 0); |
c118dd06 | 3952 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3953 | UNBLOCK_INPUT; |
3954 | } | |
3955 | ||
f676886a | 3956 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 3957 | |
f676886a JB |
3958 | x_set_window_size (f, cols, rows) |
3959 | struct frame *f; | |
b1c884c3 | 3960 | int cols, rows; |
dc6f92b8 JB |
3961 | { |
3962 | int pixelwidth, pixelheight; | |
3963 | int mask; | |
dc6f92b8 JB |
3964 | |
3965 | BLOCK_INPUT; | |
3966 | ||
b1c884c3 | 3967 | check_frame_size (f, &rows, &cols); |
ab648270 JB |
3968 | f->display.x->vertical_scroll_bar_extra = |
3969 | (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
3970 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
f451eb13 JB |
3971 | : 0); |
3972 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
3973 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
3974 | |
3975 | #ifdef HAVE_X11 | |
f676886a | 3976 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
3977 | #endif /* ! defined (HAVE_X11) */ |
3978 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
3979 | |
3980 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
3981 | but the window manager will get around to dealing with the size | |
3982 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
3983 | ConfigureNotify event gets here. |
3984 | ||
3985 | We could just not bother storing any of this information here, | |
3986 | and let the ConfigureNotify event set everything up, but that | |
3987 | might be kind of confusing to the lisp code, since size changes | |
3988 | wouldn't be reported in the frame parameters until some random | |
3989 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 3990 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
3991 | PIXEL_WIDTH (f) = pixelwidth; |
3992 | PIXEL_HEIGHT (f) = pixelheight; | |
3993 | ||
dbc4e1c1 JB |
3994 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
3995 | receive in the ConfigureNotify event; if we get what we asked | |
3996 | for, then the event won't cause the screen to become garbaged, so | |
3997 | we have to make sure to do it here. */ | |
3998 | SET_FRAME_GARBAGED (f); | |
3999 | ||
dc6f92b8 JB |
4000 | XFlushQueue (); |
4001 | UNBLOCK_INPUT; | |
4002 | } | |
4003 | ||
4004 | #ifndef HAVE_X11 | |
f676886a JB |
4005 | x_set_resize_hint (f) |
4006 | struct frame *f; | |
dc6f92b8 | 4007 | { |
12ba150f JB |
4008 | XSetResizeHint (FRAME_X_WINDOW (f), |
4009 | 2 * f->display.x->internal_border_width, | |
f676886a | 4010 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
4011 | FONT_WIDTH (f->display.x->font), |
4012 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 4013 | } |
c118dd06 | 4014 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4015 | \f |
f451eb13 | 4016 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4017 | |
f676886a JB |
4018 | x_set_mouse_position (f, x, y) |
4019 | struct frame *f; | |
dc6f92b8 JB |
4020 | int x, y; |
4021 | { | |
4022 | int pix_x, pix_y; | |
4023 | ||
f676886a | 4024 | x_raise_frame (f); |
dc6f92b8 | 4025 | |
12ba150f JB |
4026 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
4027 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
4028 | |
4029 | if (pix_x < 0) pix_x = 0; | |
4030 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4031 | ||
4032 | if (pix_y < 0) pix_y = 0; | |
4033 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4034 | |
4035 | BLOCK_INPUT; | |
dc6f92b8 | 4036 | |
c118dd06 | 4037 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
4038 | UNBLOCK_INPUT; |
4039 | } | |
4040 | ||
4041 | #ifdef HAVE_X11 | |
f676886a JB |
4042 | x_focus_on_frame (f) |
4043 | struct frame *f; | |
dc6f92b8 | 4044 | { |
f676886a | 4045 | x_raise_frame (f); |
6d4238f3 JB |
4046 | #if 0 |
4047 | /* I don't think that the ICCCM allows programs to do things like this | |
4048 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4049 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 4050 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 4051 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4052 | #endif /* ! 0 */ |
dc6f92b8 JB |
4053 | } |
4054 | ||
f676886a JB |
4055 | x_unfocus_frame (f) |
4056 | struct frame *f; | |
dc6f92b8 | 4057 | { |
6d4238f3 | 4058 | #if 0 |
f676886a JB |
4059 | /* Look at the remarks in x_focus_on_frame. */ |
4060 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4061 | XSetInputFocus (x_current_display, PointerRoot, |
4062 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4063 | #endif /* ! 0 */ |
dc6f92b8 JB |
4064 | } |
4065 | ||
c118dd06 | 4066 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4067 | |
f676886a | 4068 | /* Raise frame F. */ |
dc6f92b8 | 4069 | |
f676886a JB |
4070 | x_raise_frame (f) |
4071 | struct frame *f; | |
dc6f92b8 | 4072 | { |
3a88c238 | 4073 | if (f->async_visible) |
dc6f92b8 JB |
4074 | { |
4075 | BLOCK_INPUT; | |
c118dd06 | 4076 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4077 | XFlushQueue (); |
4078 | UNBLOCK_INPUT; | |
4079 | } | |
4080 | } | |
4081 | ||
f676886a | 4082 | /* Lower frame F. */ |
dc6f92b8 | 4083 | |
f676886a JB |
4084 | x_lower_frame (f) |
4085 | struct frame *f; | |
dc6f92b8 | 4086 | { |
3a88c238 | 4087 | if (f->async_visible) |
dc6f92b8 JB |
4088 | { |
4089 | BLOCK_INPUT; | |
c118dd06 | 4090 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4091 | XFlushQueue (); |
4092 | UNBLOCK_INPUT; | |
4093 | } | |
4094 | } | |
4095 | ||
dbc4e1c1 JB |
4096 | static void |
4097 | XTframe_raise_lower (f, raise) | |
4098 | FRAME_PTR f; | |
4099 | int raise; | |
4100 | { | |
4101 | if (raise) | |
4102 | x_raise_frame (f); | |
4103 | else | |
4104 | x_lower_frame (f); | |
4105 | } | |
4106 | ||
4107 | ||
dc6f92b8 JB |
4108 | /* Change from withdrawn state to mapped state. */ |
4109 | ||
f676886a JB |
4110 | x_make_frame_visible (f) |
4111 | struct frame *f; | |
dc6f92b8 JB |
4112 | { |
4113 | int mask; | |
4114 | ||
dc6f92b8 | 4115 | BLOCK_INPUT; |
dc6f92b8 | 4116 | |
f676886a | 4117 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
4118 | { |
4119 | #ifdef HAVE_X11 | |
4120 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4121 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 4122 | |
c118dd06 | 4123 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
ab648270 | 4124 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
4125 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4126 | #else /* ! defined (HAVE_X11) */ | |
4127 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4128 | if (f->display.x->icon_desc != 0) |
4129 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4130 | |
90e65f07 | 4131 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4132 | f->async_visible = 1; |
4133 | f->async_iconified = 0; | |
dc6f92b8 | 4134 | |
f676886a | 4135 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4136 | XTcursor_to (0, 0); |
c118dd06 | 4137 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4138 | } |
dc6f92b8 | 4139 | |
dc6f92b8 | 4140 | XFlushQueue (); |
90e65f07 | 4141 | |
dc6f92b8 JB |
4142 | UNBLOCK_INPUT; |
4143 | } | |
4144 | ||
4145 | /* Change from mapped state to withdrawn state. */ | |
4146 | ||
f676886a JB |
4147 | x_make_frame_invisible (f) |
4148 | struct frame *f; | |
dc6f92b8 JB |
4149 | { |
4150 | int mask; | |
4151 | ||
3a88c238 | 4152 | if (! f->async_visible) |
dc6f92b8 JB |
4153 | return; |
4154 | ||
4155 | BLOCK_INPUT; | |
c118dd06 JB |
4156 | |
4157 | #ifdef HAVE_X11R4 | |
4158 | ||
4159 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
4160 | DefaultScreen (x_current_display))) | |
4161 | { | |
4162 | UNBLOCK_INPUT_RESIGNAL; | |
4163 | error ("can't notify window manager of window withdrawl"); | |
4164 | } | |
4165 | ||
4166 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4167 | #ifdef HAVE_X11 |
16bd92ea | 4168 | |
c118dd06 | 4169 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4170 | if (! EQ (Vx_no_window_manager, Qt)) |
4171 | { | |
16bd92ea | 4172 | XEvent unmap; |
dc6f92b8 | 4173 | |
16bd92ea | 4174 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 4175 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4176 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4177 | unmap.xunmap.from_configure = False; | |
4178 | if (! XSendEvent (x_current_display, | |
4179 | DefaultRootWindow (x_current_display), | |
4180 | False, | |
4181 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4182 | &unmap)) | |
4183 | { | |
4184 | UNBLOCK_INPUT_RESIGNAL; | |
4185 | error ("can't notify window manager of withdrawal"); | |
4186 | } | |
dc6f92b8 JB |
4187 | } |
4188 | ||
16bd92ea | 4189 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
4190 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
4191 | ||
4192 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 4193 | |
c118dd06 | 4194 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4195 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4196 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4197 | XUnmapWindow (f->display.x->icon_desc); |
4198 | ||
4199 | #endif /* ! defined (HAVE_X11) */ | |
4200 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4201 | |
4202 | XFlushQueue (); | |
4203 | UNBLOCK_INPUT; | |
4204 | } | |
4205 | ||
dc6f92b8 JB |
4206 | /* Change window state from mapped to iconified. */ |
4207 | ||
f676886a JB |
4208 | x_iconify_frame (f) |
4209 | struct frame *f; | |
dc6f92b8 JB |
4210 | { |
4211 | int mask; | |
4212 | ||
3a88c238 | 4213 | if (f->async_iconified) |
dc6f92b8 JB |
4214 | return; |
4215 | ||
4216 | BLOCK_INPUT; | |
4217 | ||
4218 | #ifdef HAVE_X11 | |
16bd92ea JB |
4219 | /* Since we don't know which revision of X we're running, we'll use both |
4220 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4221 | ||
4222 | /* X11R4: send a ClientMessage to the window manager using the | |
4223 | WM_CHANGE_STATE type. */ | |
4224 | { | |
4225 | XEvent message; | |
4226 | ||
c118dd06 | 4227 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4228 | message.xclient.type = ClientMessage; |
4229 | message.xclient.message_type = Xatom_wm_change_state; | |
4230 | message.xclient.format = 32; | |
4231 | message.xclient.data.l[0] = IconicState; | |
4232 | ||
4233 | if (! XSendEvent (x_current_display, | |
4234 | DefaultRootWindow (x_current_display), | |
4235 | False, | |
4236 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4237 | &message)) | |
dc6f92b8 JB |
4238 | { |
4239 | UNBLOCK_INPUT_RESIGNAL; | |
4240 | error ("Can't notify window manager of iconification."); | |
4241 | } | |
16bd92ea | 4242 | } |
dc6f92b8 | 4243 | |
16bd92ea JB |
4244 | /* X11R3: set the initial_state field of the window manager hints to |
4245 | IconicState. */ | |
4246 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4247 | |
3a88c238 | 4248 | f->async_iconified = 1; |
c118dd06 JB |
4249 | #else /* ! defined (HAVE_X11) */ |
4250 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4251 | |
3a88c238 | 4252 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4253 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4254 | { |
f676886a JB |
4255 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4256 | refreshicon (f); | |
dc6f92b8 | 4257 | } |
c118dd06 | 4258 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4259 | |
4260 | XFlushQueue (); | |
4261 | UNBLOCK_INPUT; | |
4262 | } | |
4263 | ||
c0ff3fab | 4264 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4265 | |
c0ff3fab | 4266 | x_destroy_window (f) |
f676886a | 4267 | struct frame *f; |
dc6f92b8 | 4268 | { |
dc6f92b8 | 4269 | BLOCK_INPUT; |
c0ff3fab JB |
4270 | |
4271 | if (f->display.x->icon_desc != 0) | |
4272 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4273 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
dc6f92b8 | 4274 | XFlushQueue (); |
dc6f92b8 | 4275 | |
9ac0d9e0 | 4276 | xfree (f->display.x); |
c0ff3fab | 4277 | f->display.x = 0; |
f676886a JB |
4278 | if (f == x_focus_frame) |
4279 | x_focus_frame = 0; | |
4280 | if (f == x_highlight_frame) | |
4281 | x_highlight_frame = 0; | |
c0ff3fab JB |
4282 | |
4283 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4284 | } |
4285 | \f | |
f451eb13 JB |
4286 | /* Manage event queues for X10. */ |
4287 | ||
dc6f92b8 JB |
4288 | #ifndef HAVE_X11 |
4289 | ||
4290 | /* Manage event queues. | |
4291 | ||
4292 | This code is only used by the X10 support. | |
4293 | ||
4294 | We cannot leave events in the X queue and get them when we are ready | |
4295 | because X does not provide a subroutine to get only a certain kind | |
4296 | of event but not block if there are no queued events of that kind. | |
4297 | ||
4298 | Therefore, we must examine events as they come in and copy events | |
4299 | of certain kinds into our private queues. | |
4300 | ||
4301 | All ExposeRegion events are put in x_expose_queue. | |
4302 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4303 | ||
4304 | ||
4305 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4306 | If the queue is full, do nothing, but return nonzero. */ | |
4307 | ||
4308 | int | |
4309 | enqueue_event (p_xrep, queue) | |
4310 | register XEvent *p_xrep; | |
4311 | register struct event_queue *queue; | |
4312 | { | |
4313 | int newindex = queue->windex + 1; | |
4314 | if (newindex == EVENT_BUFFER_SIZE) | |
4315 | newindex = 0; | |
4316 | if (newindex == queue->rindex) | |
4317 | return -1; | |
4318 | queue->xrep[queue->windex] = *p_xrep; | |
4319 | queue->windex = newindex; | |
4320 | return 0; | |
4321 | } | |
4322 | ||
4323 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4324 | If *QUEUE is empty, do nothing and return 0. */ | |
4325 | ||
4326 | int | |
4327 | dequeue_event (p_xrep, queue) | |
4328 | register XEvent *p_xrep; | |
4329 | register struct event_queue *queue; | |
4330 | { | |
4331 | if (queue->windex == queue->rindex) | |
4332 | return 0; | |
4333 | *p_xrep = queue->xrep[queue->rindex++]; | |
4334 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4335 | queue->rindex = 0; | |
4336 | return 1; | |
4337 | } | |
4338 | ||
4339 | /* Return the number of events buffered in *QUEUE. */ | |
4340 | ||
4341 | int | |
4342 | queue_event_count (queue) | |
4343 | register struct event_queue *queue; | |
4344 | { | |
4345 | int tem = queue->windex - queue->rindex; | |
4346 | if (tem >= 0) | |
4347 | return tem; | |
4348 | return EVENT_BUFFER_SIZE + tem; | |
4349 | } | |
4350 | ||
4351 | /* Return nonzero if mouse input is pending. */ | |
4352 | ||
4353 | int | |
4354 | mouse_event_pending_p () | |
4355 | { | |
4356 | return queue_event_count (&x_mouse_queue); | |
4357 | } | |
c118dd06 | 4358 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4359 | \f |
f451eb13 JB |
4360 | /* Setting window manager hints. */ |
4361 | ||
dc6f92b8 JB |
4362 | #ifdef HAVE_X11 |
4363 | ||
f676886a JB |
4364 | x_wm_set_size_hint (f, prompting) |
4365 | struct frame *f; | |
dc6f92b8 JB |
4366 | long prompting; |
4367 | { | |
4368 | XSizeHints size_hints; | |
c118dd06 | 4369 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 JB |
4370 | |
4371 | size_hints.flags = PResizeInc | PMinSize | PMaxSize; | |
4372 | ||
f676886a JB |
4373 | flexlines = f->height; |
4374 | ||
4375 | size_hints.x = f->display.x->left_pos; | |
4376 | size_hints.y = f->display.x->top_pos; | |
4377 | size_hints.height = PIXEL_HEIGHT (f); | |
4378 | size_hints.width = PIXEL_WIDTH (f); | |
4379 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4380 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
12ba150f JB |
4381 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4382 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f451eb13 | 4383 | |
b1c884c3 | 4384 | { |
b0342f17 JB |
4385 | int base_width, base_height; |
4386 | ||
f451eb13 JB |
4387 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4388 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4389 | |
4390 | { | |
4391 | int min_rows = 0, min_cols = 0; | |
4392 | check_frame_size (f, &min_rows, &min_cols); | |
4393 | ||
4394 | /* The window manager uses the base width hints to calculate the | |
4395 | current number of rows and columns in the frame while | |
4396 | resizing; min_width and min_height aren't useful for this | |
4397 | purpose, since they might not give the dimensions for a | |
4398 | zero-row, zero-column frame. | |
4399 | ||
4400 | We use the base_width and base_height members if we have | |
4401 | them; otherwise, we set the min_width and min_height members | |
4402 | to the size for a zero x zero frame. */ | |
4403 | ||
4404 | #ifdef HAVE_X11R4 | |
4405 | size_hints.flags |= PBaseSize; | |
4406 | size_hints.base_width = base_width; | |
4407 | size_hints.base_height = base_height; | |
4408 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4409 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4410 | #else | |
4411 | size_hints.min_width = base_width; | |
4412 | size_hints.min_height = base_height; | |
4413 | #endif | |
4414 | } | |
b1c884c3 | 4415 | |
b1c884c3 | 4416 | } |
dc6f92b8 JB |
4417 | |
4418 | if (prompting) | |
4419 | size_hints.flags |= prompting; | |
4420 | else | |
4421 | { | |
4422 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4423 | ||
4424 | XGetNormalHints (x_current_display, window, &hints); | |
4425 | if (hints.flags & PSize) | |
4426 | size_hints.flags |= PSize; | |
4427 | if (hints.flags & PPosition) | |
4428 | size_hints.flags |= PPosition; | |
4429 | if (hints.flags & USPosition) | |
4430 | size_hints.flags |= USPosition; | |
4431 | if (hints.flags & USSize) | |
4432 | size_hints.flags |= USSize; | |
4433 | } | |
16bd92ea | 4434 | |
b0342f17 JB |
4435 | #ifdef HAVE_X11R4 |
4436 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4437 | #else | |
dc6f92b8 | 4438 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4439 | #endif |
dc6f92b8 JB |
4440 | } |
4441 | ||
4442 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4443 | x_wm_set_window_state (f, state) |
4444 | struct frame *f; | |
dc6f92b8 JB |
4445 | int state; |
4446 | { | |
c118dd06 | 4447 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4448 | |
16bd92ea JB |
4449 | f->display.x->wm_hints.flags |= StateHint; |
4450 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4451 | |
16bd92ea | 4452 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4453 | } |
4454 | ||
f676886a JB |
4455 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4456 | struct frame *f; | |
dc6f92b8 JB |
4457 | Pixmap icon_pixmap; |
4458 | { | |
c118dd06 | 4459 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4460 | |
dbc4e1c1 JB |
4461 | if (icon_pixmap) |
4462 | { | |
4463 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
4464 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
4465 | } | |
4466 | else | |
4467 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 4468 | |
16bd92ea | 4469 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4470 | } |
4471 | ||
f676886a JB |
4472 | x_wm_set_icon_position (f, icon_x, icon_y) |
4473 | struct frame *f; | |
dc6f92b8 JB |
4474 | int icon_x, icon_y; |
4475 | { | |
c118dd06 | 4476 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4477 | |
16bd92ea JB |
4478 | f->display.x->wm_hints.flags |= IconPositionHint; |
4479 | f->display.x->wm_hints.icon_x = icon_x; | |
4480 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4481 | |
16bd92ea | 4482 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4483 | } |
4484 | ||
4485 | \f | |
f451eb13 JB |
4486 | /* Initialization. */ |
4487 | ||
dc6f92b8 JB |
4488 | void |
4489 | x_term_init (display_name) | |
4490 | char *display_name; | |
4491 | { | |
f676886a | 4492 | Lisp_Object frame; |
dc6f92b8 JB |
4493 | char *defaultvalue; |
4494 | #ifdef F_SETOWN | |
4495 | extern int old_fcntl_owner; | |
c118dd06 | 4496 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4497 | |
f676886a | 4498 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4499 | |
4500 | x_current_display = XOpenDisplay (display_name); | |
4501 | if (x_current_display == 0) | |
4502 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4503 | display_name); | |
4504 | ||
4505 | #ifdef HAVE_X11 | |
4506 | { | |
16bd92ea | 4507 | int hostname_size = 256; |
60fb3ee1 JB |
4508 | |
4509 | hostname = (char *) xmalloc (hostname_size); | |
4510 | ||
dc6f92b8 JB |
4511 | #if 0 |
4512 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4513 | #endif /* ! 0 */ |
dc6f92b8 | 4514 | |
60fb3ee1 JB |
4515 | /* Try to get the host name; if the buffer is too short, try |
4516 | again. Apparently, the only indication gethostname gives of | |
4517 | whether the buffer was large enough is the presence or absence | |
4518 | of a '\0' in the string. Eech. */ | |
4519 | for (;;) | |
4520 | { | |
4521 | gethostname (hostname, hostname_size - 1); | |
4522 | hostname[hostname_size - 1] = '\0'; | |
4523 | ||
4524 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4525 | if (strlen (hostname) < hostname_size - 1) | |
4526 | break; | |
4527 | ||
4528 | hostname_size <<= 1; | |
4529 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4530 | } | |
59653951 | 4531 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
4532 | + strlen (hostname) |
4533 | + 2); | |
59653951 | 4534 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 4535 | } |
28430d3c JB |
4536 | |
4537 | /* Figure out which modifier bits mean what. */ | |
4538 | x_find_modifier_meanings (); | |
f451eb13 | 4539 | |
ab648270 | 4540 | /* Get the scroll bar cursor. */ |
d56a553a RS |
4541 | x_vertical_scroll_bar_cursor |
4542 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 4543 | |
d56a553a | 4544 | #if 0 |
28430d3c JB |
4545 | /* Watch for PropertyNotify events on the root window; we use them |
4546 | to figure out when to invalidate our cache of the cut buffers. */ | |
4547 | x_watch_cut_buffer_cache (); | |
d56a553a | 4548 | #endif |
28430d3c | 4549 | |
a4fc7360 JB |
4550 | if (ConnectionNumber (x_current_display) != 0) |
4551 | { | |
4552 | dup2 (ConnectionNumber (x_current_display), 0); | |
6d4238f3 JB |
4553 | |
4554 | #ifndef SYSV_STREAMS | |
a4fc7360 JB |
4555 | /* Streams somehow keeps track of which descriptor number |
4556 | is being used to talk to X. So it is not safe to substitute | |
4557 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
4558 | close (ConnectionNumber (x_current_display)); | |
4559 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? | |
6d4238f3 JB |
4560 | * check the def of the macro; |
4561 | * it is a genuine lvalue */ | |
c118dd06 | 4562 | #endif /* SYSV_STREAMS */ |
a4fc7360 | 4563 | } |
6d4238f3 | 4564 | |
c118dd06 | 4565 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4566 | |
4567 | #ifdef F_SETOWN | |
4568 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4569 | #ifdef F_SETOWN_SOCK_NEG | |
4570 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4571 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4572 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4573 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4574 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4575 | |
4576 | #ifdef SIGIO | |
4577 | init_sigio (); | |
c118dd06 | 4578 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4579 | |
4580 | /* Must use interrupt input because we cannot otherwise | |
4581 | arrange for C-g to be noticed immediately. | |
4582 | We cannot connect it to SIGINT. */ | |
4583 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4584 | ||
4585 | expose_all_windows = 0; | |
4586 | ||
f676886a | 4587 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4588 | clear_end_of_line_hook = XTclear_end_of_line; |
4589 | ins_del_lines_hook = XTins_del_lines; | |
4590 | change_line_highlight_hook = XTchange_line_highlight; | |
4591 | insert_glyphs_hook = XTinsert_glyphs; | |
4592 | write_glyphs_hook = XTwrite_glyphs; | |
4593 | delete_glyphs_hook = XTdelete_glyphs; | |
4594 | ring_bell_hook = XTring_bell; | |
4595 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4596 | set_terminal_modes_hook = XTset_terminal_modes; | |
4597 | update_begin_hook = XTupdate_begin; | |
4598 | update_end_hook = XTupdate_end; | |
4599 | set_terminal_window_hook = XTset_terminal_window; | |
4600 | read_socket_hook = XTread_socket; | |
4601 | cursor_to_hook = XTcursor_to; | |
4602 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4603 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4604 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 4605 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
4606 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
4607 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
4608 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
4609 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 4610 | |
f676886a | 4611 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4612 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4613 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4614 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4615 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4616 | off the bottom */ |
4617 | baud_rate = 19200; | |
4618 | ||
c118dd06 JB |
4619 | /* Note that there is no real way portable across R3/R4 to get the |
4620 | original error handler. */ | |
4621 | XHandleError (x_error_quitter); | |
8922af5f | 4622 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
4623 | |
4624 | /* Disable Window Change signals; they are handled by X events. */ | |
4625 | #ifdef SIGWINCH | |
4626 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4627 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4628 | |
c118dd06 | 4629 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4630 | } |
55123275 JB |
4631 | |
4632 | void | |
4633 | syms_of_xterm () | |
4634 | { | |
ab648270 | 4635 | staticpro (&last_mouse_scroll_bar); |
55123275 | 4636 | } |
c118dd06 JB |
4637 | #endif /* ! defined (HAVE_X11) */ |
4638 | #endif /* ! defined (HAVE_X_WINDOWS) */ |