Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
5116f055 | 2 | Copyright (C) 1989, 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 | ||
039440c4 RS |
30 | /* On 4.3 these lose if they come after xterm.h. */ |
31 | /* On HP-UX 8.0 signal.h loses if it comes after config.h. */ | |
32 | /* Putting these at the beginning seems to be standard for other .c files. */ | |
33 | #include <stdio.h> | |
34 | #include <signal.h> | |
35 | ||
dc6f92b8 JB |
36 | #include "config.h" |
37 | ||
38 | #ifdef HAVE_X_WINDOWS | |
39 | ||
40 | #include "lisp.h" | |
9ac0d9e0 | 41 | #include "blockinput.h" |
dc6f92b8 | 42 | |
dc6f92b8 JB |
43 | /* This may include sys/types.h, and that somehow loses |
44 | if this is not done before the other system files. */ | |
45 | #include "xterm.h" | |
f451eb13 | 46 | #include <X11/cursorfont.h> |
dc6f92b8 | 47 | |
16bd92ea | 48 | #ifndef USG |
dc6f92b8 JB |
49 | /* Load sys/types.h if not already loaded. |
50 | In some systems loading it twice is suicidal. */ | |
51 | #ifndef makedev | |
52 | #include <sys/types.h> | |
c118dd06 JB |
53 | #endif /* makedev */ |
54 | #endif /* USG */ | |
dc6f92b8 JB |
55 | |
56 | #ifdef BSD | |
57 | #include <sys/ioctl.h> | |
58 | #include <strings.h> | |
c118dd06 | 59 | #else /* ! defined (BSD) */ |
febf25d5 | 60 | #ifndef VMS |
dc6f92b8 JB |
61 | #include <sys/termio.h> |
62 | #include <string.h> | |
febf25d5 | 63 | #endif |
c118dd06 | 64 | #endif /* ! defined (BSD) */ |
dc6f92b8 JB |
65 | |
66 | /* Allow m- file to inhibit use of FIONREAD. */ | |
67 | #ifdef BROKEN_FIONREAD | |
68 | #undef FIONREAD | |
c118dd06 | 69 | #endif /* ! defined (BROKEN_FIONREAD) */ |
dc6f92b8 JB |
70 | |
71 | /* We are unable to use interrupts if FIONREAD is not available, | |
72 | so flush SIGIO so we won't try. */ | |
73 | #ifndef FIONREAD | |
74 | #ifdef SIGIO | |
75 | #undef SIGIO | |
c118dd06 JB |
76 | #endif /* ! defined (SIGIO) */ |
77 | #endif /* FIONREAD */ | |
dc6f92b8 | 78 | |
3a2712f9 | 79 | #include "systime.h" |
dc6f92b8 JB |
80 | |
81 | #include <fcntl.h> | |
dc6f92b8 JB |
82 | #include <ctype.h> |
83 | #include <errno.h> | |
84 | #include <setjmp.h> | |
85 | #include <sys/stat.h> | |
86 | #include <sys/param.h> | |
87 | ||
88 | #include "dispextern.h" | |
89 | #include "termhooks.h" | |
90 | #include "termopts.h" | |
91 | #include "termchar.h" | |
92 | #if 0 | |
93 | #include "sink.h" | |
94 | #include "sinkmask.h" | |
c118dd06 | 95 | #endif /* ! 0 */ |
dc6f92b8 | 96 | #include "gnu.h" |
f676886a | 97 | #include "frame.h" |
dc6f92b8 | 98 | #include "disptab.h" |
dc6f92b8 | 99 | #include "buffer.h" |
f451eb13 | 100 | #include "window.h" |
dc6f92b8 JB |
101 | |
102 | #ifdef HAVE_X11 | |
103 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 104 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
105 | #include <X/Xkeyboard.h> |
106 | /*#include <X/Xproto.h> */ | |
c118dd06 | 107 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
108 | |
109 | /* For sending Meta-characters. Do we need this? */ | |
110 | #define METABIT 0200 | |
111 | ||
112 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
113 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
114 | ||
115 | /* Nonzero means we must reprint all windows | |
116 | because 1) we received an ExposeWindow event | |
f451eb13 | 117 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 118 | |
f451eb13 | 119 | This is never needed under X11. */ |
dc6f92b8 JB |
120 | static int expose_all_windows; |
121 | ||
122 | /* Nonzero means we must reprint all icon windows. */ | |
123 | ||
124 | static int expose_all_icons; | |
125 | ||
126 | #ifndef HAVE_X11 | |
127 | /* ExposeRegion events, when received, are copied into this queue | |
128 | for later processing. */ | |
129 | ||
130 | static struct event_queue x_expose_queue; | |
131 | ||
132 | /* ButtonPressed and ButtonReleased events, when received, | |
133 | are copied into this queue for later processing. */ | |
134 | ||
135 | struct event_queue x_mouse_queue; | |
c118dd06 | 136 | #endif /* HAVE_X11 */ |
dc6f92b8 | 137 | |
dc6f92b8 JB |
138 | #if defined (SIGIO) && defined (FIONREAD) |
139 | int BLOCK_INPUT_mask; | |
c118dd06 | 140 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 141 | |
dc6f92b8 JB |
142 | /* The id of a bitmap used for icon windows. |
143 | One such map is shared by all Emacs icon windows. | |
144 | This is zero if we have not yet had a need to create the bitmap. */ | |
145 | ||
146 | static Bitmap icon_bitmap; | |
147 | ||
148 | /* Font used for text icons. */ | |
149 | ||
150 | static FONT_TYPE *icon_font_info; | |
151 | ||
152 | /* Stuff for dealing with the main icon title. */ | |
153 | ||
154 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 155 | char *hostname, *x_id_name; |
dc6f92b8 JB |
156 | |
157 | /* This is the X connection that we are using. */ | |
158 | ||
159 | Display *x_current_display; | |
160 | ||
ab648270 JB |
161 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
162 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 163 | |
987d2ad1 | 164 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 165 | This is set by update_begin and looked at by all the |
dc6f92b8 | 166 | XT functions. It is zero while not inside an update. |
f676886a JB |
167 | In that case, the XT functions assume that `selected_frame' |
168 | is the frame to apply to. */ | |
d0386f2a | 169 | extern struct frame *updating_frame; |
dc6f92b8 | 170 | |
f676886a | 171 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
172 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
173 | that a mere EnterNotify event can set this; if you need to know the | |
174 | last frame specified in a FocusIn or FocusOut event, use | |
175 | x_focus_event_frame. */ | |
f676886a | 176 | struct frame *x_focus_frame; |
dc6f92b8 | 177 | |
f451eb13 JB |
178 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
179 | separate from x_focus_frame, because whether or not LeaveNotify | |
180 | events cause us to lose focus depends on whether or not we have | |
181 | received a FocusIn event for it. */ | |
182 | struct frame *x_focus_event_frame; | |
183 | ||
f676886a JB |
184 | /* The frame which currently has the visual highlight, and should get |
185 | keyboard input (other sorts of input have the frame encoded in the | |
186 | event). It points to the X focus frame's selected window's | |
187 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 188 | minibuffer. */ |
f676886a | 189 | static struct frame *x_highlight_frame; |
6d4238f3 | 190 | |
dc6f92b8 | 191 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 192 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
193 | |
194 | static int warp_mouse_on_deiconify; | |
195 | ||
196 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
197 | ||
198 | static int flexlines; | |
199 | ||
200 | /* During an update, nonzero if chars output now should be highlighted. */ | |
201 | ||
202 | static int highlight; | |
203 | ||
204 | /* Nominal cursor position -- where to draw output. | |
205 | During an update, these are different from the cursor-box position. */ | |
206 | ||
207 | static int curs_x; | |
208 | static int curs_y; | |
209 | ||
210 | #ifdef HAVE_X11 | |
211 | /* `t' if a mouse button is depressed. */ | |
212 | ||
213 | extern Lisp_Object Vmouse_depressed; | |
214 | ||
215 | /* Tells if a window manager is present or not. */ | |
216 | ||
217 | extern Lisp_Object Vx_no_window_manager; | |
218 | ||
219 | /* Timestamp that we requested selection data was made. */ | |
220 | extern Time requestor_time; | |
221 | ||
222 | /* ID of the window requesting selection data. */ | |
223 | extern Window requestor_window; | |
224 | ||
225 | /* Nonzero enables some debugging for the X interface code. */ | |
226 | extern int _Xdebug; | |
227 | ||
c118dd06 | 228 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
229 | |
230 | /* Bit patterns for the mouse cursor. */ | |
231 | ||
232 | short MouseCursor[] = { | |
233 | 0x0000, 0x0008, 0x0018, 0x0038, | |
234 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
235 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
236 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
237 | ||
238 | short MouseMask[] = { | |
239 | 0x000c, 0x001c, 0x003c, 0x007c, | |
240 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
241 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
242 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
243 | ||
244 | static short grey_bits[] = { | |
245 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
246 | ||
247 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 248 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
249 | |
250 | /* From time to time we get info on an Emacs window, here. */ | |
251 | ||
252 | static WINDOWINFO_TYPE windowinfo; | |
253 | ||
254 | extern int errno; | |
255 | ||
dfeccd2d | 256 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
257 | extern int extra_keyboard_modifiers; |
258 | ||
dc6f92b8 JB |
259 | extern Display *XOpenDisplay (); |
260 | extern Window XCreateWindow (); | |
261 | ||
262 | extern Cursor XCreateCursor (); | |
263 | extern FONT_TYPE *XOpenFont (); | |
264 | ||
265 | static void flashback (); | |
266 | ||
267 | #ifndef HAVE_X11 | |
268 | static void dumpqueue (); | |
c118dd06 | 269 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
270 | |
271 | void dumpborder (); | |
4746118a JB |
272 | static int XTcursor_to (); |
273 | static int XTclear_end_of_line (); | |
16bd92ea JB |
274 | |
275 | \f | |
f451eb13 JB |
276 | /* Starting and ending updates. |
277 | ||
278 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
279 | of a frame update. We record in `updating_frame' the identity |
280 | of the frame being updated, so that the XT... functions do not | |
281 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 JB |
282 | should never be called except during an update, the only exceptions |
283 | being XTcursor_to, XTwrite_char and XTreassert_line_highlight. */ | |
284 | ||
285 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
286 | ||
287 | static | |
f676886a JB |
288 | XTupdate_begin (f) |
289 | struct frame *f; | |
dc6f92b8 JB |
290 | { |
291 | int mask; | |
292 | ||
f676886a | 293 | if (f == 0) |
dc6f92b8 JB |
294 | abort (); |
295 | ||
f676886a | 296 | flexlines = f->height; |
dc6f92b8 JB |
297 | highlight = 0; |
298 | ||
dc6f92b8 JB |
299 | BLOCK_INPUT; |
300 | #ifndef HAVE_X11 | |
301 | dumpqueue (); | |
c118dd06 | 302 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
303 | UNBLOCK_INPUT; |
304 | } | |
305 | ||
f451eb13 | 306 | #ifndef HAVE_X11 |
dc6f92b8 | 307 | static void x_do_pending_expose (); |
f451eb13 | 308 | #endif |
dc6f92b8 JB |
309 | |
310 | static | |
f676886a JB |
311 | XTupdate_end (f) |
312 | struct frame *f; | |
dc6f92b8 JB |
313 | { |
314 | int mask; | |
315 | ||
f676886a JB |
316 | if (updating_frame == 0 |
317 | || updating_frame != f) | |
dc6f92b8 JB |
318 | abort (); |
319 | ||
320 | BLOCK_INPUT; | |
321 | #ifndef HAVE_X11 | |
322 | dumpqueue (); | |
dc6f92b8 | 323 | x_do_pending_expose (); |
f451eb13 | 324 | #endif /* HAVE_X11 */ |
dc6f92b8 | 325 | |
f676886a | 326 | x_display_cursor (f, 1); |
dc6f92b8 | 327 | |
dc6f92b8 JB |
328 | XFlushQueue (); |
329 | UNBLOCK_INPUT; | |
330 | } | |
331 | \f | |
332 | /* External interface to control of standout mode. | |
333 | Call this when about to modify line at position VPOS | |
334 | and not change whether it is highlighted. */ | |
335 | ||
336 | XTreassert_line_highlight (new, vpos) | |
337 | int new, vpos; | |
338 | { | |
339 | highlight = new; | |
340 | } | |
341 | ||
342 | /* Call this when about to modify line at position VPOS | |
343 | and change whether it is highlighted. */ | |
344 | ||
345 | static | |
346 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
347 | int new_highlight, vpos, first_unused_hpos; | |
348 | { | |
349 | highlight = new_highlight; | |
350 | XTcursor_to (vpos, 0); | |
f676886a | 351 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
352 | } |
353 | ||
354 | /* This is used when starting Emacs and when restarting after suspend. | |
355 | When starting Emacs, no X window is mapped. And nothing must be done | |
356 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
357 | ||
358 | static | |
359 | XTset_terminal_modes () | |
360 | { | |
361 | } | |
362 | ||
363 | /* This is called when exiting or suspending Emacs. | |
364 | Exiting will make the X-windows go away, and suspending | |
365 | requires no action. */ | |
366 | ||
367 | static | |
368 | XTreset_terminal_modes () | |
369 | { | |
f676886a | 370 | /* XTclear_frame (); */ |
dc6f92b8 JB |
371 | } |
372 | \f | |
f451eb13 JB |
373 | /* Set the nominal cursor position of the frame. |
374 | This is where display update commands will take effect. | |
dc6f92b8 JB |
375 | This does not affect the place where the cursor-box is displayed. */ |
376 | ||
4746118a | 377 | static int |
dc6f92b8 JB |
378 | XTcursor_to (row, col) |
379 | register int row, col; | |
380 | { | |
381 | int mask; | |
382 | int orow = row; | |
383 | ||
384 | curs_x = col; | |
385 | curs_y = row; | |
386 | ||
f676886a | 387 | if (updating_frame == 0) |
dc6f92b8 JB |
388 | { |
389 | BLOCK_INPUT; | |
f676886a | 390 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
391 | XFlushQueue (); |
392 | UNBLOCK_INPUT; | |
393 | } | |
394 | } | |
395 | \f | |
396 | /* Display a sequence of N glyphs found at GP. | |
397 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
398 | HL is 1 if this text is highlighted, 2 if the cursor is on it. | |
399 | ||
07e34cb0 | 400 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 401 | |
07e34cb0 JB |
402 | Since the display generation code is responsible for calling |
403 | compute_char_face and compute_glyph_face on everything it puts in | |
404 | the display structure, we can assume that the face code on each | |
405 | glyph is a valid index into FRAME_FACES (f), and the one to which | |
406 | we can actually apply intern_face. */ | |
dc6f92b8 | 407 | |
07e34cb0 JB |
408 | #if 1 |
409 | /* This is the multi-face code. */ | |
dc6f92b8 | 410 | |
dc6f92b8 | 411 | static void |
07e34cb0 | 412 | dumpglyphs (f, left, top, gp, n, hl) |
f676886a | 413 | struct frame *f; |
dc6f92b8 JB |
414 | int left, top; |
415 | register GLYPH *gp; /* Points to first GLYPH. */ | |
416 | register int n; /* Number of glyphs to display. */ | |
417 | int hl; | |
dc6f92b8 | 418 | { |
07e34cb0 JB |
419 | /* Holds characters to be displayed. */ |
420 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
421 | register char *cp; /* Steps through buf[]. */ |
422 | register int tlen = GLYPH_TABLE_LENGTH; | |
423 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 424 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 425 | |
07e34cb0 | 426 | while (n > 0) |
dc6f92b8 JB |
427 | { |
428 | /* Get the face-code of the next GLYPH. */ | |
429 | int cf, len; | |
430 | int g = *gp; | |
431 | ||
07e34cb0 JB |
432 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
433 | cf = GLYPH_FACE (g); | |
dc6f92b8 JB |
434 | |
435 | /* Find the run of consecutive glyphs with the same face-code. | |
436 | Extract their character codes into BUF. */ | |
437 | cp = buf; | |
438 | while (n > 0) | |
439 | { | |
440 | g = *gp; | |
07e34cb0 JB |
441 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
442 | if (GLYPH_FACE (g) != cf) | |
dc6f92b8 JB |
443 | break; |
444 | ||
07e34cb0 | 445 | *cp++ = GLYPH_CHAR (g); |
dc6f92b8 JB |
446 | --n; |
447 | ++gp; | |
448 | } | |
449 | ||
450 | /* LEN gets the length of the run. */ | |
451 | len = cp - buf; | |
452 | ||
453 | /* Now output this run of chars, with the font and pixel values | |
454 | determined by the face code CF. */ | |
07e34cb0 JB |
455 | { |
456 | struct face *face = FRAME_DEFAULT_FACE (f); | |
457 | FONT_TYPE *font = FACE_FONT (face); | |
458 | GC gc = FACE_GC (face); | |
b73b6aaf RS |
459 | int defaulted = 1; |
460 | int gc_temporary = 0; | |
07e34cb0 | 461 | |
b73b6aaf RS |
462 | /* First look at the face of the text itself. */ |
463 | if (cf != 0) | |
07e34cb0 JB |
464 | { |
465 | /* The face codes on the glyphs must be valid indices into the | |
466 | frame's face table. */ | |
467 | if (cf < 0 || cf >= FRAME_N_FACES (f)) | |
468 | abort (); | |
469 | ||
470 | if (cf == 1) | |
471 | face = FRAME_MODE_LINE_FACE (f); | |
472 | else | |
4a4dc352 | 473 | face = intern_face (f, FRAME_FACES (f) [cf]); |
07e34cb0 JB |
474 | font = FACE_FONT (face); |
475 | gc = FACE_GC (face); | |
b73b6aaf | 476 | defaulted = 0; |
07e34cb0 | 477 | } |
4a4dc352 JB |
478 | |
479 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
480 | else if (hl == 0) |
481 | ; | |
482 | else if (hl == 1) | |
483 | { | |
484 | face = FRAME_MODE_LINE_FACE (f); | |
485 | font = FACE_FONT (face); | |
486 | gc = FACE_GC (face); | |
b73b6aaf RS |
487 | defaulted = 0; |
488 | } | |
489 | ||
490 | #define FACE_DEFAULT (~0) | |
491 | ||
492 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 493 | if (hl == 2) |
b73b6aaf | 494 | { |
b5cf7a0e JB |
495 | if (defaulted |
496 | || !face->font | |
497 | || (int) face->font == FACE_DEFAULT) | |
498 | { | |
499 | gc = f->display.x->cursor_gc; | |
500 | } | |
501 | /* Cursor on non-default face: must merge. */ | |
502 | else | |
503 | { | |
504 | XGCValues xgcv; | |
505 | unsigned long mask; | |
506 | ||
507 | xgcv.background = f->display.x->cursor_pixel; | |
508 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
509 | xgcv.font = face->font->fid; | |
510 | xgcv.graphics_exposures = 0; | |
511 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
512 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
513 | mask, &xgcv); | |
b73b6aaf | 514 | #if 0 |
b5cf7a0e JB |
515 | if (face->stipple && face->stipple != FACE_DEFAULT) |
516 | XSetStipple (x_current_display, gc, face->stipple); | |
b73b6aaf | 517 | #endif |
b5cf7a0e JB |
518 | gc_temporary = 1; |
519 | } | |
07e34cb0 | 520 | } |
07e34cb0 | 521 | |
b5cf7a0e JB |
522 | if ((int) font == FACE_DEFAULT) |
523 | font = f->display.x->font; | |
524 | ||
07e34cb0 JB |
525 | XDrawImageString (x_current_display, window, gc, |
526 | left, top + FONT_BASE (font), buf, len); | |
07e34cb0 | 527 | |
b73b6aaf RS |
528 | if (gc_temporary) |
529 | XFreeGC (x_current_display, gc); | |
530 | ||
07e34cb0 JB |
531 | /* We should probably check for XA_UNDERLINE_POSITION and |
532 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
533 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 534 | { |
4a4dc352 | 535 | int underline_position = 1; |
07e34cb0 | 536 | |
4a4dc352 JB |
537 | if (font->descent <= underline_position) |
538 | underline_position = font->descent - 1; | |
07e34cb0 JB |
539 | |
540 | if (face->underline) | |
541 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
542 | FACE_GC (face), | |
543 | left, (top | |
544 | + FONT_BASE (font) | |
545 | + underline_position), | |
546 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 547 | } |
07e34cb0 JB |
548 | |
549 | left += len * FONT_WIDTH (font); | |
550 | } | |
dc6f92b8 JB |
551 | } |
552 | } | |
07e34cb0 JB |
553 | #endif /* 1 */ |
554 | ||
555 | #if 0 | |
556 | /* This is the old single-face code. */ | |
557 | ||
558 | static void | |
559 | dumpglyphs (f, left, top, gp, n, hl, font) | |
560 | struct frame *f; | |
561 | int left, top; | |
562 | register GLYPH *gp; /* Points to first GLYPH. */ | |
563 | register int n; /* Number of glyphs to display. */ | |
564 | int hl; | |
565 | FONT_TYPE *font; | |
566 | { | |
567 | register int len; | |
568 | Window window = FRAME_X_WINDOW (f); | |
569 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
570 | : (hl ? f->display.x->reverse_gc | |
571 | : f->display.x->normal_gc)); | |
572 | ||
573 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
574 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
575 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
576 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
577 | XDrawImageString (x_current_display, window, drawing_gc, | |
578 | left, top + FONT_BASE (font), (char *) gp, n); | |
579 | else | |
580 | /* What size of glyph ARE you using? And does X have a function to | |
581 | draw them? */ | |
582 | abort (); | |
583 | } | |
584 | #endif | |
dc6f92b8 | 585 | \f |
f451eb13 JB |
586 | /* Output some text at the nominal frame cursor position. |
587 | Advance the cursor over the text. | |
dc6f92b8 JB |
588 | Output LEN glyphs at START. |
589 | ||
590 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
591 | controls the pixel values used for foreground and background. */ | |
592 | ||
593 | static | |
594 | XTwrite_glyphs (start, len) | |
595 | register GLYPH *start; | |
596 | int len; | |
597 | { | |
598 | register int temp_length; | |
599 | int mask; | |
f676886a | 600 | struct frame *f; |
dc6f92b8 JB |
601 | |
602 | BLOCK_INPUT; | |
603 | ||
f676886a JB |
604 | f = updating_frame; |
605 | if (f == 0) | |
dc6f92b8 | 606 | { |
f676886a | 607 | f = selected_frame; |
dc6f92b8 | 608 | /* If not within an update, |
f676886a JB |
609 | output at the frame's visible cursor. */ |
610 | curs_x = f->cursor_x; | |
611 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
612 | } |
613 | ||
f676886a | 614 | dumpglyphs (f, |
12ba150f JB |
615 | CHAR_TO_PIXEL_COL (f, curs_x), |
616 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
07e34cb0 | 617 | start, len, highlight); |
90e65f07 JB |
618 | |
619 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
620 | if (curs_y == f->phys_cursor_y |
621 | && curs_x <= f->phys_cursor_x | |
622 | && curs_x + len > f->phys_cursor_x) | |
623 | f->phys_cursor_x = -1; | |
dc6f92b8 | 624 | |
f676886a | 625 | if (updating_frame == 0) |
dc6f92b8 | 626 | { |
f676886a JB |
627 | f->cursor_x += len; |
628 | x_display_cursor (f, 1); | |
629 | f->cursor_x -= len; | |
dc6f92b8 JB |
630 | } |
631 | else | |
632 | curs_x += len; | |
633 | ||
634 | UNBLOCK_INPUT; | |
635 | } | |
636 | \f | |
f451eb13 JB |
637 | /* Clear to the end of the line. |
638 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
639 | to column FIRST_UNUSED (exclusive). The idea is that everything |
640 | from FIRST_UNUSED onward is already erased. */ | |
641 | ||
4746118a | 642 | static int |
dc6f92b8 JB |
643 | XTclear_end_of_line (first_unused) |
644 | register int first_unused; | |
645 | { | |
f676886a | 646 | struct frame *f = updating_frame; |
dc6f92b8 JB |
647 | int mask; |
648 | ||
f676886a | 649 | if (f == 0) |
dc6f92b8 JB |
650 | abort (); |
651 | ||
f676886a | 652 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
653 | return; |
654 | if (first_unused <= 0) | |
655 | return; | |
656 | ||
f676886a JB |
657 | if (first_unused >= f->width) |
658 | first_unused = f->width; | |
dc6f92b8 JB |
659 | |
660 | BLOCK_INPUT; | |
661 | ||
90e65f07 | 662 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
663 | if (curs_y == f->phys_cursor_y |
664 | && curs_x <= f->phys_cursor_x | |
665 | && f->phys_cursor_x < first_unused) | |
666 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
667 | |
668 | #ifdef HAVE_X11 | |
c118dd06 | 669 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
670 | CHAR_TO_PIXEL_COL (f, curs_x), |
671 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
672 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
673 | FONT_HEIGHT (f->display.x->font), False); | |
dc6f92b8 | 674 | |
c118dd06 JB |
675 | #else /* ! defined (HAVE_X11) */ |
676 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
677 | CHAR_TO_PIXEL_COL (f, curs_x), |
678 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
679 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
680 | FONT_HEIGHT (f->display.x->font), | |
681 | f->display.x->background_pixel); | |
c118dd06 | 682 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
683 | |
684 | UNBLOCK_INPUT; | |
685 | } | |
686 | ||
687 | static | |
f676886a | 688 | XTclear_frame () |
dc6f92b8 JB |
689 | { |
690 | int mask; | |
f676886a | 691 | struct frame *f = updating_frame; |
dc6f92b8 | 692 | |
f676886a JB |
693 | if (f == 0) |
694 | f = selected_frame; | |
dc6f92b8 | 695 | |
f676886a | 696 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
697 | curs_x = 0; /* Nominal cursor position is top left. */ |
698 | curs_y = 0; | |
699 | ||
700 | BLOCK_INPUT; | |
dbc4e1c1 | 701 | |
c118dd06 | 702 | XClear (FRAME_X_WINDOW (f)); |
dbc4e1c1 | 703 | |
ab648270 | 704 | /* We have to clear the scroll bars, too. If we have changed |
dbc4e1c1 | 705 | colors or something like that, then they should be notified. */ |
ab648270 | 706 | x_scroll_bar_clear (f); |
dbc4e1c1 | 707 | |
dc6f92b8 | 708 | #ifndef HAVE_X11 |
f676886a | 709 | dumpborder (f, 0); |
c118dd06 | 710 | #endif /* HAVE_X11 */ |
dbc4e1c1 | 711 | |
dc6f92b8 JB |
712 | XFlushQueue (); |
713 | UNBLOCK_INPUT; | |
714 | } | |
715 | \f | |
dbc4e1c1 JB |
716 | /* Invert the middle quarter of the frame for .15 sec. */ |
717 | ||
718 | /* We use the select system call to do the waiting, so we have to make sure | |
719 | it's avaliable. If it isn't, we just won't do visual bells. */ | |
720 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) | |
721 | ||
722 | /* Subtract the `struct timeval' values X and Y, | |
723 | storing the result in RESULT. | |
724 | Return 1 if the difference is negative, otherwise 0. */ | |
725 | ||
726 | static int | |
727 | timeval_subtract (result, x, y) | |
728 | struct timeval *result, x, y; | |
729 | { | |
730 | /* Perform the carry for the later subtraction by updating y. | |
731 | This is safer because on some systems | |
732 | the tv_sec member is unsigned. */ | |
733 | if (x.tv_usec < y.tv_usec) | |
734 | { | |
735 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
736 | y.tv_usec -= 1000000 * nsec; | |
737 | y.tv_sec += nsec; | |
738 | } | |
739 | if (x.tv_usec - y.tv_usec > 1000000) | |
740 | { | |
741 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
742 | y.tv_usec += 1000000 * nsec; | |
743 | y.tv_sec -= nsec; | |
744 | } | |
745 | ||
746 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
747 | result->tv_sec = x.tv_sec - y.tv_sec; | |
748 | result->tv_usec = x.tv_usec - y.tv_usec; | |
749 | ||
750 | /* Return indication of whether the result should be considered negative. */ | |
751 | return x.tv_sec < y.tv_sec; | |
752 | } | |
dc6f92b8 | 753 | |
f676886a JB |
754 | XTflash (f) |
755 | struct frame *f; | |
dc6f92b8 | 756 | { |
dbc4e1c1 | 757 | BLOCK_INPUT; |
dc6f92b8 | 758 | |
dbc4e1c1 JB |
759 | { |
760 | GC gc; | |
dc6f92b8 | 761 | |
dbc4e1c1 JB |
762 | /* Create a GC that will use the GXxor function to flip foreground pixels |
763 | into background pixels. */ | |
764 | { | |
765 | XGCValues values; | |
dc6f92b8 | 766 | |
dbc4e1c1 JB |
767 | values.function = GXxor; |
768 | values.foreground = (f->display.x->foreground_pixel | |
769 | ^ f->display.x->background_pixel); | |
770 | ||
771 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
772 | GCFunction | GCForeground, &values); | |
773 | } | |
dc6f92b8 | 774 | |
dbc4e1c1 JB |
775 | { |
776 | int width = PIXEL_WIDTH (f); | |
777 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 778 | |
dbc4e1c1 JB |
779 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
780 | width/4, height/4, width/2, height/2); | |
781 | XFlush (x_current_display); | |
dc6f92b8 | 782 | |
dbc4e1c1 JB |
783 | { |
784 | struct timeval wakeup, now; | |
dc6f92b8 | 785 | |
dbc4e1c1 | 786 | gettimeofday (&wakeup, (struct timezone *) 0); |
dc6f92b8 | 787 | |
dbc4e1c1 JB |
788 | /* Compute time to wait until, propagating carry from usecs. */ |
789 | wakeup.tv_usec += 150000; | |
790 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
791 | wakeup.tv_usec %= 1000000; | |
792 | ||
793 | /* Keep waiting until past the time wakeup. */ | |
794 | while (1) | |
795 | { | |
796 | struct timeval timeout; | |
797 | ||
798 | gettimeofday (&timeout, (struct timezone *)0); | |
799 | ||
800 | /* In effect, timeout = wakeup - timeout. | |
801 | Break if result would be negative. */ | |
802 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
803 | break; | |
804 | ||
805 | /* Try to wait that long--but we might wake up sooner. */ | |
806 | select (0, 0, 0, 0, &timeout); | |
807 | } | |
808 | } | |
809 | ||
810 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
811 | width/4, height/4, width/2, height/2); | |
812 | XFreeGC (x_current_display, gc); | |
813 | XFlush (x_current_display); | |
dc6f92b8 | 814 | } |
dbc4e1c1 JB |
815 | } |
816 | ||
817 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
818 | } |
819 | ||
dbc4e1c1 JB |
820 | #endif |
821 | ||
822 | ||
dc6f92b8 JB |
823 | /* Make audible bell. */ |
824 | ||
825 | #ifdef HAVE_X11 | |
826 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 827 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 828 | #define XRINGBELL XFeep(0); |
c118dd06 | 829 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
830 | |
831 | XTring_bell () | |
832 | { | |
5a6ef893 RS |
833 | if (x_current_display == 0) |
834 | return; | |
835 | ||
dbc4e1c1 | 836 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 837 | if (visible_bell) |
f676886a | 838 | XTflash (selected_frame); |
dc6f92b8 | 839 | else |
dbc4e1c1 | 840 | #endif |
dc6f92b8 JB |
841 | { |
842 | BLOCK_INPUT; | |
843 | XRINGBELL; | |
844 | XFlushQueue (); | |
845 | UNBLOCK_INPUT; | |
846 | } | |
847 | } | |
848 | \f | |
f451eb13 JB |
849 | /* Insert and delete character. |
850 | These are not supposed to be used because we are supposed to turn | |
851 | off the feature of using them. */ | |
dc6f92b8 JB |
852 | |
853 | static | |
854 | XTinsert_glyphs (start, len) | |
855 | register char *start; | |
856 | register int len; | |
857 | { | |
858 | abort (); | |
859 | } | |
860 | ||
861 | static | |
862 | XTdelete_glyphs (n) | |
863 | register int n; | |
864 | { | |
865 | abort (); | |
866 | } | |
867 | \f | |
868 | /* Specify how many text lines, from the top of the window, | |
869 | should be affected by insert-lines and delete-lines operations. | |
870 | This, and those operations, are used only within an update | |
871 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
872 | ||
873 | static | |
874 | XTset_terminal_window (n) | |
875 | register int n; | |
876 | { | |
f676886a | 877 | if (updating_frame == 0) |
dc6f92b8 JB |
878 | abort (); |
879 | ||
f676886a JB |
880 | if ((n <= 0) || (n > updating_frame->height)) |
881 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
882 | else |
883 | flexlines = n; | |
884 | } | |
885 | \f | |
f451eb13 JB |
886 | /* Perform an insert-lines operation. |
887 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
888 | |
889 | static void | |
890 | stufflines (n) | |
891 | register int n; | |
892 | { | |
893 | register int topregion, bottomregion; | |
894 | register int length, newtop, mask; | |
f676886a JB |
895 | register struct frame *f = updating_frame; |
896 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
897 | |
898 | if (curs_y >= flexlines) | |
899 | return; | |
900 | ||
901 | topregion = curs_y; | |
902 | bottomregion = flexlines - (n + 1); | |
903 | newtop = topregion + n; | |
904 | length = (bottomregion - topregion) + 1; | |
905 | ||
906 | #ifndef HAVE_X11 | |
907 | dumpqueue (); | |
c118dd06 | 908 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
909 | |
910 | if ((length > 0) && (newtop <= flexlines)) | |
911 | { | |
912 | #ifdef HAVE_X11 | |
c118dd06 JB |
913 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
914 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 915 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
916 | f->width * FONT_WIDTH (f->display.x->font), |
917 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 918 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
919 | #else /* ! defined (HAVE_X11) */ |
920 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
921 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
922 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
923 | f->width * FONT_WIDTH (f->display.x->font), |
924 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
925 | /* Now we must process any ExposeRegion events that occur |
926 | if the area being copied from is obscured. | |
927 | We can't let it wait because further i/d operations | |
928 | may want to copy this area to another area. */ | |
929 | x_read_exposes (); | |
c118dd06 | 930 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
931 | } |
932 | ||
933 | newtop = min (newtop, (flexlines - 1)); | |
934 | length = newtop - topregion; | |
935 | if (length > 0) | |
936 | { | |
937 | #ifdef HAVE_X11 | |
c118dd06 | 938 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 939 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
940 | f->width * FONT_WIDTH (f->display.x->font), |
941 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
942 | #else /* ! defined (HAVE_X11) */ |
943 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 944 | intborder, |
12ba150f | 945 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
946 | f->width * FONT_WIDTH (f->display.x->font), |
947 | n * FONT_HEIGHT (f->display.x->font), | |
948 | f->display.x->background_pixel); | |
c118dd06 | 949 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
950 | } |
951 | } | |
952 | ||
953 | /* Perform a delete-lines operation, deleting N lines | |
954 | at a vertical position curs_y. */ | |
955 | ||
956 | static void | |
957 | scraplines (n) | |
958 | register int n; | |
959 | { | |
960 | int mask; | |
f676886a JB |
961 | register struct frame *f = updating_frame; |
962 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
963 | |
964 | if (curs_y >= flexlines) | |
965 | return; | |
966 | ||
967 | #ifndef HAVE_X11 | |
968 | dumpqueue (); | |
c118dd06 | 969 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
970 | |
971 | if ((curs_y + n) >= flexlines) | |
972 | { | |
973 | if (flexlines >= (curs_y + 1)) | |
974 | { | |
975 | #ifdef HAVE_X11 | |
c118dd06 | 976 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 977 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
978 | f->width * FONT_WIDTH (f->display.x->font), |
979 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
980 | #else /* ! defined (HAVE_X11) */ |
981 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 982 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
983 | f->width * FONT_WIDTH (f->display.x->font), |
984 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
985 | f->display.x->background_pixel); | |
c118dd06 | 986 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
987 | } |
988 | } | |
989 | else | |
990 | { | |
991 | #ifdef HAVE_X11 | |
c118dd06 JB |
992 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
993 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 994 | intborder, |
12ba150f | 995 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
996 | f->width * FONT_WIDTH (f->display.x->font), |
997 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 998 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 999 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 1000 | intborder, |
12ba150f | 1001 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
1002 | f->width * FONT_WIDTH (f->display.x->font), |
1003 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
1004 | #else /* ! defined (HAVE_X11) */ |
1005 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1006 | intborder, |
12ba150f JB |
1007 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
1008 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
1009 | f->width * FONT_WIDTH (f->display.x->font), |
1010 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
1011 | /* Now we must process any ExposeRegion events that occur |
1012 | if the area being copied from is obscured. | |
1013 | We can't let it wait because further i/d operations | |
1014 | may want to copy this area to another area. */ | |
1015 | x_read_exposes (); | |
c118dd06 | 1016 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 1017 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
1018 | f->width * FONT_WIDTH (f->display.x->font), |
1019 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 1020 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1021 | } |
1022 | } | |
1023 | ||
1024 | /* Perform an insert-lines or delete-lines operation, | |
1025 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1026 | ||
1027 | XTins_del_lines (vpos, n) | |
1028 | int vpos, n; | |
1029 | { | |
f676886a | 1030 | if (updating_frame == 0) |
dc6f92b8 JB |
1031 | abort (); |
1032 | ||
90e65f07 | 1033 | /* Hide the cursor. */ |
f676886a | 1034 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1035 | |
1036 | XTcursor_to (vpos, 0); | |
1037 | ||
1038 | BLOCK_INPUT; | |
1039 | if (n >= 0) | |
1040 | stufflines (n); | |
1041 | else | |
1042 | scraplines (-n); | |
1043 | XFlushQueue (); | |
1044 | UNBLOCK_INPUT; | |
1045 | } | |
1046 | \f | |
f451eb13 | 1047 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1048 | static void clear_cursor (); |
1049 | ||
f676886a JB |
1050 | /* Output into a rectangle of an X-window (for frame F) |
1051 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
1052 | TOP and LEFT are the position of the upper left corner of the rectangle. |
1053 | ROWS and COLS are the size of the rectangle. */ | |
1054 | ||
1055 | static void | |
f676886a JB |
1056 | dumprectangle (f, left, top, cols, rows) |
1057 | struct frame *f; | |
dc6f92b8 JB |
1058 | register int left, top, cols, rows; |
1059 | { | |
f676886a | 1060 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1061 | int cursor_cleared = 0; |
1062 | int bottom, right; | |
1063 | register int y; | |
1064 | ||
f676886a | 1065 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1066 | return; |
1067 | ||
dc6f92b8 JB |
1068 | /* Express rectangle as four edges, instead of position-and-size. */ |
1069 | bottom = top + rows; | |
1070 | right = left + cols; | |
1071 | ||
1072 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1073 | { |
1074 | int intborder = f->display.x->internal_border_width; | |
1075 | ||
1076 | /* If the rectangle includes any of the internal border area, | |
1077 | redisplay the border emphasis. */ | |
1078 | if (top < intborder || left < intborder | |
1079 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1080 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1081 | dumpborder (f, 0); | |
1082 | } | |
d065dd2e | 1083 | #endif /* HAVE_X11 Window manger does this for X11. */ |
dc6f92b8 JB |
1084 | |
1085 | /* Convert rectangle edges in pixels to edges in chars. | |
1086 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1087 | top = PIXEL_TO_CHAR_ROW (f, top); |
1088 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1089 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1090 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1091 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1092 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1093 | |
1094 | /* Clip the rectangle to what can be visible. */ | |
1095 | if (left < 0) | |
1096 | left = 0; | |
1097 | if (top < 0) | |
1098 | top = 0; | |
f676886a JB |
1099 | if (right > f->width) |
1100 | right = f->width; | |
1101 | if (bottom > f->height) | |
1102 | bottom = f->height; | |
dc6f92b8 JB |
1103 | |
1104 | /* Get size in chars of the rectangle. */ | |
1105 | cols = right - left; | |
1106 | rows = bottom - top; | |
1107 | ||
1108 | /* If rectangle has zero area, return. */ | |
1109 | if (rows <= 0) return; | |
1110 | if (cols <= 0) return; | |
1111 | ||
1112 | /* Turn off the cursor if it is in the rectangle. | |
1113 | We will turn it back on afterward. */ | |
f676886a JB |
1114 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1115 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1116 | { |
f676886a | 1117 | clear_cursor (f); |
dc6f92b8 JB |
1118 | cursor_cleared = 1; |
1119 | } | |
1120 | ||
1121 | /* Display the text in the rectangle, one text line at a time. */ | |
1122 | ||
1123 | for (y = top; y < bottom; y++) | |
1124 | { | |
f676886a | 1125 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1126 | |
f676886a | 1127 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1128 | continue; |
1129 | ||
f676886a | 1130 | dumpglyphs (f, |
12ba150f JB |
1131 | CHAR_TO_PIXEL_COL (f, left), |
1132 | CHAR_TO_PIXEL_ROW (f, y), | |
1133 | line, min (cols, active_frame->used[y] - left), | |
07e34cb0 | 1134 | active_frame->highlight[y]); |
dc6f92b8 JB |
1135 | } |
1136 | ||
1137 | /* Turn the cursor on if we turned it off. */ | |
1138 | ||
1139 | if (cursor_cleared) | |
f676886a | 1140 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1141 | } |
1142 | ||
1143 | #ifndef HAVE_X11 | |
1144 | /* Process all queued ExposeRegion events. */ | |
1145 | ||
1146 | static void | |
1147 | dumpqueue () | |
1148 | { | |
1149 | register int i; | |
1150 | XExposeRegionEvent r; | |
1151 | ||
1152 | while (dequeue_event (&r, &x_expose_queue)) | |
1153 | { | |
f676886a JB |
1154 | struct frame *f = x_window_to_frame (r.window); |
1155 | if (f->display.x->icon_desc == r.window) | |
1156 | refreshicon (f); | |
dc6f92b8 | 1157 | else |
f676886a | 1158 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1159 | } |
1160 | XFlushQueue (); | |
1161 | } | |
c118dd06 | 1162 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1163 | \f |
f451eb13 | 1164 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1165 | Redraws the cursor if necessary on any frame that |
1166 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1167 | |
f451eb13 | 1168 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1169 | static void |
1170 | x_do_pending_expose () | |
1171 | { | |
1172 | int mask; | |
f676886a JB |
1173 | struct frame *f; |
1174 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1175 | |
1176 | if (expose_all_windows) | |
1177 | { | |
1178 | expose_all_windows = 0; | |
f676886a | 1179 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1180 | { |
1181 | register int temp_width, temp_height; | |
1182 | int intborder; | |
1183 | ||
f676886a | 1184 | frame = XCONS (tail)->car; |
ab648270 | 1185 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1186 | continue; |
f676886a | 1187 | f = XFRAME (frame); |
b1c884c3 | 1188 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1189 | continue; |
3a88c238 | 1190 | if (!f->async_visible) |
dc6f92b8 | 1191 | continue; |
f676886a | 1192 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1193 | continue; |
1194 | ||
f676886a | 1195 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1196 | |
f676886a | 1197 | clear_cursor (f); |
c118dd06 | 1198 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1199 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1200 | - f->display.x->v_scroll_bar_width) |
f676886a | 1201 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1202 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1203 | - f->display.x->h_scroll_bar_height) |
f676886a JB |
1204 | / FONT_HEIGHT (f->display.x->font)); |
1205 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1206 | { |
f676886a | 1207 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1208 | max (1, temp_width), 0, 1); |
ab648270 | 1209 | x_resize_scroll_bars (f); |
dc6f92b8 | 1210 | } |
f676886a JB |
1211 | f->display.x->left_pos = windowinfo.x; |
1212 | f->display.x->top_pos = windowinfo.y; | |
1213 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1214 | #if 0 |
f676886a | 1215 | dumpborder (f, 0); |
c118dd06 | 1216 | #endif /* ! 0 */ |
f676886a JB |
1217 | f->display.x->needs_exposure = 0; |
1218 | if (updating_frame != f) | |
1219 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1220 | XFlushQueue (); |
1221 | } | |
1222 | } | |
1223 | else | |
1224 | /* Handle any individual-rectangle expose events queued | |
1225 | for various windows. */ | |
1226 | #ifdef HAVE_X11 | |
1227 | ; | |
c118dd06 | 1228 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1229 | dumpqueue (); |
c118dd06 | 1230 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1231 | } |
f451eb13 | 1232 | #endif |
dc6f92b8 JB |
1233 | |
1234 | #ifdef HAVE_X11 | |
1235 | static void | |
f676886a JB |
1236 | frame_highlight (frame) |
1237 | struct frame *frame; | |
dc6f92b8 JB |
1238 | { |
1239 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1240 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1241 | frame->display.x->border_pixel); |
1242 | x_display_cursor (frame, 1); | |
dc6f92b8 JB |
1243 | } |
1244 | ||
1245 | static void | |
f676886a JB |
1246 | frame_unhighlight (frame) |
1247 | struct frame *frame; | |
dc6f92b8 JB |
1248 | { |
1249 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1250 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1251 | frame->display.x->border_tile); |
1252 | x_display_cursor (frame, 1); | |
dc6f92b8 | 1253 | } |
c118dd06 | 1254 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1255 | /* Dump the border-emphasis of frame F. |
1256 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1257 | just within the border, occupying a portion of the internal border. |
f676886a | 1258 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1259 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1260 | ||
f676886a | 1261 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1262 | In that case, we also turn the cursor off and on again |
1263 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1264 | ||
1265 | static void | |
f676886a JB |
1266 | dumpborder (f, always) |
1267 | struct frame *f; | |
dc6f92b8 JB |
1268 | int always; |
1269 | { | |
f676886a JB |
1270 | int thickness = f->display.x->internal_border_width / 2; |
1271 | int width = PIXEL_WIDTH (f); | |
1272 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1273 | int pixel; |
1274 | ||
f676886a | 1275 | if (f != selected_frame) |
dc6f92b8 JB |
1276 | { |
1277 | if (!always) | |
1278 | return; | |
1279 | ||
f676886a | 1280 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1281 | } |
1282 | else | |
1283 | { | |
f676886a | 1284 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1285 | } |
1286 | ||
c118dd06 JB |
1287 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1288 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1289 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1290 | thickness, pixel); |
c118dd06 | 1291 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1292 | height, pixel); |
1293 | ||
1294 | if (always) | |
f676886a | 1295 | x_display_cursor (f, 1); |
dc6f92b8 | 1296 | } |
c118dd06 | 1297 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1298 | |
f676886a | 1299 | static void XTframe_rehighlight (); |
6d4238f3 | 1300 | |
f676886a JB |
1301 | /* The focus has changed. Update the frames as necessary to reflect |
1302 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1303 | here, because the lisp code we are interrupting might become confused. |
f676886a | 1304 | Each event gets marked with the frame in which it occured, so the |
6d4238f3 | 1305 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1306 | |
6d4238f3 | 1307 | static void |
f676886a JB |
1308 | x_new_focus_frame (frame) |
1309 | struct frame *frame; | |
dc6f92b8 | 1310 | { |
f676886a | 1311 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1312 | int events_enqueued = 0; |
1313 | ||
f676886a | 1314 | if (frame != x_focus_frame) |
dc6f92b8 | 1315 | { |
6d4238f3 | 1316 | /* Set this before calling other routines, so that they see |
f676886a JB |
1317 | the correct value of x_focus_frame. */ |
1318 | x_focus_frame = frame; | |
6d4238f3 JB |
1319 | |
1320 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1321 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1322 | |
1323 | #if 0 | |
f676886a JB |
1324 | selected_frame = frame; |
1325 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1326 | Lisp_Frame, selected_frame); | |
1327 | Fselect_window (selected_frame->selected_window); | |
1328 | choose_minibuf_frame (); | |
c118dd06 | 1329 | #endif /* ! 0 */ |
dc6f92b8 | 1330 | |
f676886a JB |
1331 | if (x_focus_frame && x_focus_frame->auto_raise) |
1332 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1333 | } |
dc6f92b8 | 1334 | |
f676886a | 1335 | XTframe_rehighlight (); |
6d4238f3 JB |
1336 | } |
1337 | ||
1338 | ||
f451eb13 JB |
1339 | /* The focus has changed, or we have redirected a frame's focus to |
1340 | another frame (this happens when a frame uses a surrogate | |
1341 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1342 | static void |
f676886a | 1343 | XTframe_rehighlight () |
6d4238f3 | 1344 | { |
f676886a | 1345 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1346 | |
f676886a | 1347 | if (x_focus_frame) |
6d4238f3 | 1348 | { |
f451eb13 | 1349 | x_highlight_frame = |
ab648270 | 1350 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1351 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1352 | : x_focus_frame); | |
1353 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1354 | { | |
1355 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1356 | x_highlight_frame = x_focus_frame; | |
1357 | } | |
dc6f92b8 | 1358 | } |
6d4238f3 | 1359 | else |
f676886a | 1360 | x_highlight_frame = 0; |
dc6f92b8 | 1361 | |
f676886a | 1362 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1363 | { |
1364 | if (old_highlight) | |
f676886a JB |
1365 | frame_unhighlight (old_highlight); |
1366 | if (x_highlight_frame) | |
1367 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1368 | } |
dc6f92b8 JB |
1369 | } |
1370 | \f | |
90e65f07 JB |
1371 | /* Mouse clicks and mouse movement. Rah. */ |
1372 | #ifdef HAVE_X11 | |
1373 | ||
f676886a | 1374 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return |
90e65f07 JB |
1375 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle |
1376 | that the glyph at X, Y occupies, if BOUNDS != 0. */ | |
1377 | static void | |
f676886a JB |
1378 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds) |
1379 | FRAME_PTR f; | |
dc6f92b8 JB |
1380 | register unsigned int pix_x, pix_y; |
1381 | register int *x, *y; | |
90e65f07 | 1382 | XRectangle *bounds; |
dc6f92b8 | 1383 | { |
12ba150f JB |
1384 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1385 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
90e65f07 JB |
1386 | |
1387 | if (bounds) | |
1388 | { | |
12ba150f JB |
1389 | bounds->width = FONT_WIDTH (f->display.x->font); |
1390 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1391 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1392 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
90e65f07 | 1393 | } |
12ba150f JB |
1394 | |
1395 | if (pix_x < 0) pix_x = 0; | |
1396 | else if (pix_x > f->width) pix_x = f->width; | |
1397 | ||
1398 | if (pix_y < 0) pix_y = 0; | |
1399 | else if (pix_y > f->height) pix_y = f->height; | |
1400 | ||
1401 | *x = pix_x; | |
1402 | *y = pix_y; | |
dc6f92b8 | 1403 | } |
dc6f92b8 JB |
1404 | |
1405 | /* Any buttons grabbed. */ | |
1406 | unsigned int x_mouse_grabbed; | |
1407 | ||
28430d3c JB |
1408 | /* Which modifier keys are on which modifier bits? |
1409 | ||
1410 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1411 | keys were held down when the key was pressed. The interpretation |
1412 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1413 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1414 | is the meta bit. | |
1415 | ||
1416 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1417 | It may have more than one bit set, if more than one modifier bit | |
1418 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1419 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1420 | ||
1421 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1422 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1423 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1424 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1425 | arrangement, the lock modifier should shift the character if | |
1426 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1427 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1428 | |
a3c44b14 RS |
1429 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1430 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1431 | ||
28430d3c JB |
1432 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1433 | static void | |
1434 | x_find_modifier_meanings () | |
1435 | { | |
f689eb05 | 1436 | int min_code, max_code; |
28430d3c JB |
1437 | KeySym *syms; |
1438 | int syms_per_code; | |
1439 | XModifierKeymap *mods; | |
1440 | ||
1441 | x_meta_mod_mask = 0; | |
11edeb03 | 1442 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1443 | x_alt_mod_mask = 0; |
1444 | x_super_mod_mask = 0; | |
1445 | x_hyper_mod_mask = 0; | |
28430d3c | 1446 | |
9658a521 | 1447 | #ifdef HAVE_X11R4 |
28430d3c | 1448 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1449 | #else |
1450 | min_code = x_current_display->min_keycode; | |
1451 | max_code = x_current_display->max_keycode; | |
1452 | #endif | |
1453 | ||
28430d3c JB |
1454 | syms = XGetKeyboardMapping (x_current_display, |
1455 | min_code, max_code - min_code + 1, | |
1456 | &syms_per_code); | |
1457 | mods = XGetModifierMapping (x_current_display); | |
1458 | ||
11edeb03 JB |
1459 | /* Scan the modifier table to see which modifier bits the Meta and |
1460 | Alt keysyms are on. */ | |
28430d3c JB |
1461 | { |
1462 | int row, col; /* The row and column in the modifier table. */ | |
1463 | ||
1464 | for (row = 3; row < 8; row++) | |
1465 | for (col = 0; col < mods->max_keypermod; col++) | |
1466 | { | |
1467 | KeyCode code = | |
1468 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1469 | ||
1470 | /* Are any of this keycode's keysyms a meta key? */ | |
1471 | { | |
1472 | int code_col; | |
1473 | ||
1474 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1475 | { | |
f689eb05 | 1476 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1477 | |
f689eb05 | 1478 | switch (sym) |
28430d3c | 1479 | { |
f689eb05 JB |
1480 | case XK_Meta_L: |
1481 | case XK_Meta_R: | |
28430d3c JB |
1482 | x_meta_mod_mask |= (1 << row); |
1483 | break; | |
f689eb05 JB |
1484 | |
1485 | case XK_Alt_L: | |
1486 | case XK_Alt_R: | |
a3c44b14 RS |
1487 | x_alt_mod_mask |= (1 << row); |
1488 | break; | |
1489 | ||
1490 | case XK_Hyper_L: | |
1491 | case XK_Hyper_R: | |
1492 | x_hyper_mod_mask |= (1 << row); | |
1493 | break; | |
1494 | ||
1495 | case XK_Super_L: | |
1496 | case XK_Super_R: | |
1497 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1498 | break; |
11edeb03 JB |
1499 | |
1500 | case XK_Shift_Lock: | |
1501 | /* Ignore this if it's not on the lock modifier. */ | |
1502 | if ((1 << row) == LockMask) | |
1503 | x_shift_lock_mask = LockMask; | |
1504 | break; | |
28430d3c JB |
1505 | } |
1506 | } | |
1507 | } | |
1508 | } | |
1509 | } | |
1510 | ||
f689eb05 JB |
1511 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1512 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1513 | { |
1514 | x_meta_mod_mask = x_alt_mod_mask; | |
1515 | x_alt_mod_mask = 0; | |
1516 | } | |
f689eb05 | 1517 | |
148c4b70 RS |
1518 | /* If some keys are both alt and meta, |
1519 | make them just meta, not alt. */ | |
1520 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1521 | { | |
1522 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1523 | } | |
1524 | ||
28430d3c | 1525 | XFree ((char *) syms); |
f689eb05 | 1526 | XFreeModifiermap (mods); |
28430d3c JB |
1527 | } |
1528 | ||
1529 | ||
dfeccd2d JB |
1530 | /* Convert between the modifier bits X uses and the modifier bits |
1531 | Emacs uses. */ | |
7c5283e4 | 1532 | static unsigned int |
dfeccd2d | 1533 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1534 | unsigned int state; |
1535 | { | |
11edeb03 JB |
1536 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1537 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1538 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1539 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1540 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1541 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1542 | } |
1543 | ||
dfeccd2d JB |
1544 | static unsigned int |
1545 | x_emacs_to_x_modifiers (state) | |
1546 | unsigned int state; | |
1547 | { | |
1548 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1549 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1550 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1551 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1552 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1553 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1554 | } | |
1555 | ||
dc6f92b8 JB |
1556 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1557 | ||
1558 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1559 | the mouse. */ |
dc6f92b8 JB |
1560 | |
1561 | static Lisp_Object | |
f451eb13 | 1562 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1563 | struct input_event *result; |
1564 | XButtonEvent *event; | |
f676886a | 1565 | struct frame *f; |
dc6f92b8 | 1566 | { |
f451eb13 | 1567 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1568 | otherwise. */ |
f451eb13 JB |
1569 | result->kind = mouse_click; |
1570 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1571 | result->timestamp = event->time; |
dfeccd2d | 1572 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
1573 | | (event->type == ButtonRelease |
1574 | ? up_modifier | |
1575 | : down_modifier)); | |
dc6f92b8 JB |
1576 | |
1577 | /* Notice if the mouse is still grabbed. */ | |
1578 | if (event->type == ButtonPress) | |
1579 | { | |
1580 | if (! x_mouse_grabbed) | |
1581 | Vmouse_depressed = Qt; | |
90e65f07 | 1582 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1583 | } |
1584 | else if (event->type == ButtonRelease) | |
1585 | { | |
90e65f07 | 1586 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1587 | if (!x_mouse_grabbed) |
1588 | Vmouse_depressed = Qnil; | |
1589 | } | |
1590 | ||
f451eb13 JB |
1591 | { |
1592 | int row, column; | |
dc6f92b8 | 1593 | |
f451eb13 JB |
1594 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1595 | XFASTINT (result->x) = column; | |
1596 | XFASTINT (result->y) = row; | |
12ba150f | 1597 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1598 | } |
dc6f92b8 JB |
1599 | } |
1600 | ||
1601 | ||
90e65f07 JB |
1602 | /* Mouse movement. Rah. |
1603 | ||
1604 | In order to avoid asking for motion events and then throwing most | |
1605 | of them away or busy-polling the server for mouse positions, we ask | |
1606 | the server for pointer motion hints. This means that we get only | |
1607 | one event per group of mouse movements. "Groups" are delimited by | |
1608 | other kinds of events (focus changes and button clicks, for | |
1609 | example), or by XQueryPointer calls; when one of these happens, we | |
1610 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1611 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1612 | tracking is on, and I suspect only negligibly worse when tracking |
1613 | is off. | |
1614 | ||
1615 | The silly O'Reilly & Associates Nutshell guides barely document | |
1616 | pointer motion hints at all (I think you have to infer how they | |
1617 | work from an example), and the description of XQueryPointer doesn't | |
1618 | mention that calling it causes you to get another motion hint from | |
1619 | the server, which is very important. */ | |
1620 | ||
1621 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1622 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1623 | static XRectangle last_mouse_glyph; |
1624 | ||
ab648270 | 1625 | /* The scroll bar in which the last X motion event occurred. |
12ba150f | 1626 | |
ab648270 JB |
1627 | If the last X motion event occured in a scroll bar, we set this |
1628 | so XTmouse_position can know whether to report a scroll bar motion or | |
12ba150f JB |
1629 | an ordinary motion. |
1630 | ||
ab648270 | 1631 | If the last X motion event didn't occur in a scroll bar, we set this |
12ba150f | 1632 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ |
ab648270 | 1633 | static Lisp_Object last_mouse_scroll_bar; |
f451eb13 | 1634 | |
e5d77022 JB |
1635 | /* This is a hack. We would really prefer that XTmouse_position would |
1636 | return the time associated with the position it returns, but there | |
1637 | doesn't seem to be any way to wrest the timestamp from the server | |
1638 | along with the position query. So, we just keep track of the time | |
1639 | of the last movement we received, and return that in hopes that | |
1640 | it's somewhat accurate. */ | |
1641 | static Time last_mouse_movement_time; | |
1642 | ||
90e65f07 JB |
1643 | /* Function to report a mouse movement to the mainstream Emacs code. |
1644 | The input handler calls this. | |
1645 | ||
1646 | We have received a mouse movement event, which is given in *event. | |
1647 | If the mouse is over a different glyph than it was last time, tell | |
1648 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1649 | another motion event, so we can check again the next time it moves. */ | |
1650 | static void | |
12ba150f | 1651 | note_mouse_movement (frame, event) |
f676886a | 1652 | FRAME_PTR frame; |
90e65f07 JB |
1653 | XMotionEvent *event; |
1654 | ||
1655 | { | |
e5d77022 JB |
1656 | last_mouse_movement_time = event->time; |
1657 | ||
90e65f07 JB |
1658 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1659 | if (event->x < last_mouse_glyph.x | |
1660 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1661 | || event->y < last_mouse_glyph.y | |
1662 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1663 | { |
1664 | mouse_moved = 1; | |
ab648270 | 1665 | last_mouse_scroll_bar = Qnil; |
12ba150f | 1666 | } |
90e65f07 JB |
1667 | else |
1668 | { | |
1669 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1670 | event the next time the mouse moves and we can see if it's | |
1671 | *still* on the same glyph. */ | |
1672 | int dummy; | |
1673 | ||
1674 | XQueryPointer (event->display, event->window, | |
1675 | (Window *) &dummy, (Window *) &dummy, | |
1676 | &dummy, &dummy, &dummy, &dummy, | |
1677 | (unsigned int *) &dummy); | |
1678 | } | |
1679 | } | |
1680 | ||
ab648270 JB |
1681 | static struct scroll_bar *x_window_to_scroll_bar (); |
1682 | static void x_scroll_bar_report_motion (); | |
12ba150f | 1683 | |
90e65f07 JB |
1684 | /* Return the current position of the mouse. |
1685 | ||
ab648270 JB |
1686 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
1687 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 1688 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 1689 | position on the scroll bar. |
12ba150f JB |
1690 | |
1691 | If the mouse movement started elsewhere, set *f to the frame the | |
1692 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1693 | the mouse is over. | |
1694 | ||
1695 | Set *time to the server timestamp for the time at which the mouse | |
1696 | was at this position. | |
1697 | ||
90e65f07 | 1698 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1699 | movement. This also calls XQueryPointer, which will cause the |
1700 | server to give us another MotionNotify when the mouse moves | |
1701 | again. */ | |
90e65f07 JB |
1702 | |
1703 | static void | |
12ba150f | 1704 | XTmouse_position (f, bar_window, part, x, y, time) |
f676886a | 1705 | FRAME_PTR *f; |
12ba150f | 1706 | Lisp_Object *bar_window; |
ab648270 | 1707 | enum scroll_bar_part *part; |
90e65f07 | 1708 | Lisp_Object *x, *y; |
e5d77022 | 1709 | unsigned long *time; |
90e65f07 | 1710 | { |
90e65f07 JB |
1711 | BLOCK_INPUT; |
1712 | ||
ab648270 JB |
1713 | if (! NILP (last_mouse_scroll_bar)) |
1714 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1715 | else |
1716 | { | |
12ba150f JB |
1717 | Window root; |
1718 | int root_x, root_y; | |
90e65f07 | 1719 | |
12ba150f JB |
1720 | Window dummy_window; |
1721 | int dummy; | |
1722 | ||
1723 | mouse_moved = 0; | |
ab648270 | 1724 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
1725 | |
1726 | /* Figure out which root window we're on. */ | |
1727 | XQueryPointer (x_current_display, | |
1728 | DefaultRootWindow (x_current_display), | |
1729 | ||
1730 | /* The root window which contains the pointer. */ | |
1731 | &root, | |
1732 | ||
1733 | /* Trash which we can't trust if the pointer is on | |
1734 | a different screen. */ | |
1735 | &dummy_window, | |
1736 | ||
1737 | /* The position on that root window. */ | |
1738 | &root_x, &root_y, | |
1739 | ||
1740 | /* More trash we can't trust. */ | |
1741 | &dummy, &dummy, | |
1742 | ||
1743 | /* Modifier keys and pointer buttons, about which | |
1744 | we don't care. */ | |
1745 | (unsigned int *) &dummy); | |
1746 | ||
1747 | /* Now we have a position on the root; find the innermost window | |
1748 | containing the pointer. */ | |
1749 | { | |
1750 | Window win, child; | |
1751 | int win_x, win_y; | |
1752 | int parent_x, parent_y; | |
1753 | ||
1754 | win = root; | |
1755 | for (;;) | |
1756 | { | |
1757 | XTranslateCoordinates (x_current_display, | |
1758 | ||
1759 | /* From-window, to-window. */ | |
1760 | root, win, | |
1761 | ||
1762 | /* From-position, to-position. */ | |
1763 | root_x, root_y, &win_x, &win_y, | |
1764 | ||
1765 | /* Child of win. */ | |
1766 | &child); | |
1767 | ||
1768 | if (child == None) | |
1769 | break; | |
1770 | ||
1771 | win = child; | |
1772 | parent_x = win_x; | |
1773 | parent_y = win_y; | |
1774 | } | |
1775 | ||
1776 | /* Now we know that: | |
1777 | win is the innermost window containing the pointer | |
1778 | (XTC says it has no child containing the pointer), | |
1779 | win_x and win_y are the pointer's position in it | |
1780 | (XTC did this the last time through), and | |
1781 | parent_x and parent_y are the pointer's position in win's parent. | |
1782 | (They are what win_x and win_y were when win was child. | |
1783 | If win is the root window, it has no parent, and | |
1784 | parent_{x,y} are invalid, but that's okay, because we'll | |
1785 | never use them in that case.) */ | |
1786 | ||
1787 | /* Is win one of our frames? */ | |
1788 | *f = x_window_to_frame (win); | |
1789 | ||
ab648270 | 1790 | /* If not, is it one of our scroll bars? */ |
12ba150f JB |
1791 | if (! *f) |
1792 | { | |
ab648270 | 1793 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
1794 | |
1795 | if (bar) | |
1796 | { | |
1797 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1798 | win_x = parent_x; | |
1799 | win_y = parent_y; | |
1800 | } | |
1801 | } | |
90e65f07 | 1802 | |
12ba150f JB |
1803 | if (*f) |
1804 | { | |
1805 | pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y, | |
1806 | &last_mouse_glyph); | |
1807 | ||
1808 | *bar_window = Qnil; | |
1809 | *part = 0; | |
1810 | XSET (*x, Lisp_Int, win_x); | |
1811 | XSET (*y, Lisp_Int, win_y); | |
1812 | *time = last_mouse_movement_time; | |
1813 | } | |
1814 | } | |
1815 | } | |
90e65f07 JB |
1816 | |
1817 | UNBLOCK_INPUT; | |
1818 | } | |
1819 | ||
c118dd06 | 1820 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1821 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1822 | #endif /* ! defined (HAVE_X11) */ |
1823 | \f | |
ab648270 | 1824 | /* Scroll bar support. */ |
f451eb13 | 1825 | |
ab648270 JB |
1826 | /* Given an X window ID, find the struct scroll_bar which manages it. |
1827 | This can be called in GC, so we have to make sure to strip off mark | |
1828 | bits. */ | |
1829 | static struct scroll_bar * | |
1830 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
1831 | Window window_id; |
1832 | { | |
1833 | Lisp_Object tail, frame; | |
f451eb13 | 1834 | |
ab648270 JB |
1835 | for (tail = Vframe_list; |
1836 | XGCTYPE (tail) == Lisp_Cons; | |
1837 | tail = XCONS (tail)->cdr) | |
f451eb13 | 1838 | { |
f451eb13 | 1839 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1840 | Lisp_Object bar, condemned; |
f451eb13 JB |
1841 | |
1842 | /* All elements of Vframe_list should be frames. */ | |
ab648270 | 1843 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
1844 | abort (); |
1845 | ||
ab648270 | 1846 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 1847 | right window ID. */ |
ab648270 JB |
1848 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
1849 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 1850 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
1851 | condemned scroll bar lists with one loop. */ |
1852 | ! GC_NILP (bar) || (bar = condemned, | |
1853 | condemned = Qnil, | |
1854 | ! GC_NILP (bar)); | |
1855 | bar = XSCROLL_BAR(bar)->next) | |
1856 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1857 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
1858 | } |
1859 | ||
1860 | return 0; | |
1861 | } | |
1862 | ||
ab648270 JB |
1863 | /* Open a new X window to serve as a scroll bar, and return the |
1864 | scroll bar vector for it. */ | |
1865 | static struct scroll_bar * | |
1866 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 1867 | struct window *window; |
f451eb13 JB |
1868 | int top, left, width, height; |
1869 | { | |
12ba150f | 1870 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
1871 | struct scroll_bar *bar = |
1872 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
1873 | |
1874 | BLOCK_INPUT; | |
1875 | ||
1876 | { | |
1877 | XSetWindowAttributes a; | |
1878 | unsigned long mask; | |
1879 | ||
12ba150f JB |
1880 | a.background_pixel = frame->display.x->background_pixel; |
1881 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1882 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1883 | | ExposureMask); |
ab648270 | 1884 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 1885 | |
dbc4e1c1 | 1886 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 1887 | |
ab648270 | 1888 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
1889 | (bar, |
1890 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1891 | |
ab648270 | 1892 | /* Position and size of scroll bar. */ |
12ba150f | 1893 | left, top, width, height, |
f451eb13 | 1894 | |
12ba150f JB |
1895 | /* Border width, depth, class, and visual. */ |
1896 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1897 | |
12ba150f JB |
1898 | /* Attributes. */ |
1899 | mask, &a)); | |
f451eb13 JB |
1900 | } |
1901 | ||
12ba150f JB |
1902 | XSET (bar->window, Lisp_Window, window); |
1903 | XSET (bar->top, Lisp_Int, top); | |
1904 | XSET (bar->left, Lisp_Int, left); | |
1905 | XSET (bar->width, Lisp_Int, width); | |
1906 | XSET (bar->height, Lisp_Int, height); | |
1907 | XSET (bar->start, Lisp_Int, 0); | |
1908 | XSET (bar->end, Lisp_Int, 0); | |
1909 | bar->dragging = Qnil; | |
f451eb13 JB |
1910 | |
1911 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 1912 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 1913 | bar->prev = Qnil; |
ab648270 | 1914 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 1915 | if (! NILP (bar->next)) |
ab648270 | 1916 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 1917 | |
ab648270 | 1918 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
1919 | |
1920 | UNBLOCK_INPUT; | |
12ba150f JB |
1921 | |
1922 | return bar; | |
f451eb13 JB |
1923 | } |
1924 | ||
12ba150f JB |
1925 | /* Draw BAR's handle in the proper position. |
1926 | If the handle is already drawn from START to END, don't bother | |
1927 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1928 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1929 | events.) | |
1930 | ||
1931 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 1932 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
1933 | handle, we want to let them drag it down all the way, so that the |
1934 | bar's top is as far down as it goes; otherwise, there's no way to | |
1935 | move to the very end of the buffer. */ | |
f451eb13 | 1936 | static void |
ab648270 JB |
1937 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
1938 | struct scroll_bar *bar; | |
f451eb13 | 1939 | int start, end; |
12ba150f | 1940 | int rebuild; |
f451eb13 | 1941 | { |
12ba150f | 1942 | int dragging = ! NILP (bar->dragging); |
ab648270 | 1943 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
1944 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
1945 | ||
1946 | /* If the display is already accurate, do nothing. */ | |
1947 | if (! rebuild | |
1948 | && start == XINT (bar->start) | |
1949 | && end == XINT (bar->end)) | |
1950 | return; | |
1951 | ||
f451eb13 JB |
1952 | BLOCK_INPUT; |
1953 | ||
1954 | { | |
ab648270 JB |
1955 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
1956 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
1957 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
1958 | |
1959 | /* Make sure the values are reasonable, and try to preserve | |
1960 | the distance between start and end. */ | |
12ba150f JB |
1961 | { |
1962 | int length = end - start; | |
1963 | ||
1964 | if (start < 0) | |
1965 | start = 0; | |
1966 | else if (start > top_range) | |
1967 | start = top_range; | |
1968 | end = start + length; | |
1969 | ||
1970 | if (end < start) | |
1971 | end = start; | |
1972 | else if (end > top_range && ! dragging) | |
1973 | end = top_range; | |
1974 | } | |
f451eb13 | 1975 | |
ab648270 | 1976 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
1977 | XSET (bar->start, Lisp_Int, start); |
1978 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 1979 | |
12ba150f JB |
1980 | /* Clip the end position, just for display. */ |
1981 | if (end > top_range) | |
1982 | end = top_range; | |
f451eb13 | 1983 | |
ab648270 | 1984 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
1985 | below top positions, to make sure the handle is always at least |
1986 | that many pixels tall. */ | |
ab648270 | 1987 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 1988 | |
12ba150f JB |
1989 | /* Draw the empty space above the handle. Note that we can't clear |
1990 | zero-height areas; that means "clear to end of window." */ | |
1991 | if (0 < start) | |
1992 | XClearArea (x_current_display, w, | |
f451eb13 | 1993 | |
12ba150f | 1994 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1995 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1996 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
1997 | inside_width, start, |
1998 | False); | |
f451eb13 | 1999 | |
12ba150f JB |
2000 | /* Draw the handle itself. */ |
2001 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2002 | |
12ba150f | 2003 | /* x, y, width, height */ |
ab648270 JB |
2004 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2005 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2006 | inside_width, end - start); |
f451eb13 | 2007 | |
f451eb13 | 2008 | |
12ba150f JB |
2009 | /* Draw the empty space below the handle. Note that we can't |
2010 | clear zero-height areas; that means "clear to end of window." */ | |
2011 | if (end < inside_height) | |
2012 | XClearArea (x_current_display, w, | |
f451eb13 | 2013 | |
12ba150f | 2014 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2015 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2016 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2017 | inside_width, inside_height - end, |
2018 | False); | |
f451eb13 | 2019 | |
f451eb13 JB |
2020 | } |
2021 | ||
f451eb13 JB |
2022 | UNBLOCK_INPUT; |
2023 | } | |
2024 | ||
ab648270 | 2025 | /* Move a scroll bar around on the screen, to accomodate changing |
12ba150f | 2026 | window configurations. */ |
f451eb13 | 2027 | static void |
ab648270 JB |
2028 | x_scroll_bar_move (bar, top, left, width, height) |
2029 | struct scroll_bar *bar; | |
f451eb13 JB |
2030 | int top, left, width, height; |
2031 | { | |
2032 | BLOCK_INPUT; | |
2033 | ||
2034 | { | |
2035 | XWindowChanges wc; | |
2036 | unsigned int mask = 0; | |
2037 | ||
2038 | wc.x = left; | |
2039 | wc.y = top; | |
2040 | wc.width = width; | |
2041 | wc.height = height; | |
2042 | ||
12ba150f JB |
2043 | if (left != XINT (bar->left)) mask |= CWX; |
2044 | if (top != XINT (bar->top)) mask |= CWY; | |
2045 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2046 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2047 | ||
2048 | if (mask) | |
ab648270 | 2049 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2050 | mask, &wc); |
f451eb13 JB |
2051 | } |
2052 | ||
12ba150f JB |
2053 | XSET (bar->left, Lisp_Int, left); |
2054 | XSET (bar->top, Lisp_Int, top); | |
2055 | XSET (bar->width, Lisp_Int, width); | |
2056 | XSET (bar->height, Lisp_Int, height); | |
2057 | ||
f451eb13 JB |
2058 | UNBLOCK_INPUT; |
2059 | } | |
2060 | ||
ab648270 | 2061 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2062 | to nil. */ |
2063 | static void | |
ab648270 JB |
2064 | x_scroll_bar_remove (bar) |
2065 | struct scroll_bar *bar; | |
12ba150f JB |
2066 | { |
2067 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2068 | ||
2069 | BLOCK_INPUT; | |
2070 | ||
2071 | /* Destroy the window. */ | |
ab648270 | 2072 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2073 | |
ab648270 JB |
2074 | /* Disassociate this scroll bar from its window. */ |
2075 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2076 | |
2077 | UNBLOCK_INPUT; | |
2078 | } | |
2079 | ||
2080 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2081 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2082 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2083 | create one. */ |
2084 | static void | |
ab648270 | 2085 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2086 | struct window *window; |
2087 | int portion, whole, position; | |
2088 | { | |
2089 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2090 | int top = XINT (window->top); |
ab648270 JB |
2091 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2092 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2093 | |
ab648270 | 2094 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2095 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2096 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2097 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2098 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2099 | |
ab648270 | 2100 | struct scroll_bar *bar; |
12ba150f | 2101 | |
ab648270 JB |
2102 | /* Does the scroll bar exist yet? */ |
2103 | if (NILP (window->vertical_scroll_bar)) | |
2104 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2105 | pixel_top, pixel_left, |
2106 | pixel_width, pixel_height); | |
2107 | else | |
12ba150f JB |
2108 | { |
2109 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2110 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2111 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2112 | } |
f451eb13 | 2113 | |
ab648270 | 2114 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2115 | dragged. */ |
12ba150f | 2116 | if (NILP (bar->dragging)) |
f451eb13 | 2117 | { |
12ba150f | 2118 | int top_range = |
ab648270 | 2119 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2120 | |
12ba150f | 2121 | if (whole == 0) |
ab648270 | 2122 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2123 | else |
2124 | { | |
2125 | int start = (position * top_range) / whole; | |
2126 | int end = ((position + portion) * top_range) / whole; | |
2127 | ||
ab648270 | 2128 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2129 | } |
f451eb13 JB |
2130 | } |
2131 | ||
ab648270 | 2132 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2133 | } |
2134 | ||
12ba150f | 2135 | |
f451eb13 | 2136 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2137 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2138 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2139 | away is a real pain - "Can you say set-window-configuration, boys |
2140 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2141 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2142 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2143 | |
ab648270 JB |
2144 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2145 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2146 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2147 | static void |
ab648270 | 2148 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2149 | FRAME_PTR frame; |
2150 | { | |
12ba150f JB |
2151 | /* The condemned list should be empty at this point; if it's not, |
2152 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2153 | protocol correctly. */ | |
ab648270 | 2154 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2155 | abort (); |
2156 | ||
2157 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2158 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2159 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2160 | } |
2161 | ||
ab648270 | 2162 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2163 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2164 | static void |
ab648270 | 2165 | XTredeem_scroll_bar (window) |
12ba150f | 2166 | struct window *window; |
f451eb13 | 2167 | { |
ab648270 | 2168 | struct scroll_bar *bar; |
12ba150f | 2169 | |
ab648270 JB |
2170 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2171 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2172 | abort (); |
2173 | ||
ab648270 | 2174 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2175 | |
2176 | /* Unlink it from the condemned list. */ | |
2177 | { | |
2178 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2179 | ||
2180 | if (NILP (bar->prev)) | |
2181 | { | |
2182 | /* If the prev pointer is nil, it must be the first in one of | |
2183 | the lists. */ | |
ab648270 | 2184 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2185 | /* It's not condemned. Everything's fine. */ |
2186 | return; | |
ab648270 JB |
2187 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2188 | window->vertical_scroll_bar)) | |
2189 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2190 | else |
2191 | /* If its prev pointer is nil, it must be at the front of | |
2192 | one or the other! */ | |
2193 | abort (); | |
2194 | } | |
2195 | else | |
ab648270 | 2196 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2197 | |
2198 | if (! NILP (bar->next)) | |
ab648270 | 2199 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2200 | |
ab648270 | 2201 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2202 | bar->prev = Qnil; |
ab648270 | 2203 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2204 | if (! NILP (bar->next)) |
ab648270 | 2205 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2206 | } |
f451eb13 JB |
2207 | } |
2208 | ||
ab648270 JB |
2209 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2210 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2211 | static void |
ab648270 | 2212 | XTjudge_scroll_bars (f) |
12ba150f | 2213 | FRAME_PTR f; |
f451eb13 | 2214 | { |
12ba150f | 2215 | Lisp_Object bar, next; |
f451eb13 | 2216 | |
ab648270 | 2217 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2218 | |
2219 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2220 | more events on the hapless scroll bars. */ |
2221 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2222 | |
2223 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2224 | { |
ab648270 | 2225 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2226 | |
ab648270 | 2227 | x_scroll_bar_remove (b); |
12ba150f JB |
2228 | |
2229 | next = b->next; | |
2230 | b->next = b->prev = Qnil; | |
f451eb13 | 2231 | } |
12ba150f | 2232 | |
ab648270 | 2233 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2234 | and they should get garbage-collected. */ |
f451eb13 JB |
2235 | } |
2236 | ||
2237 | ||
ab648270 JB |
2238 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2239 | ||
2240 | This may be called from a signal handler, so we have to ignore GC | |
2241 | mark bits. */ | |
f451eb13 | 2242 | static void |
ab648270 JB |
2243 | x_scroll_bar_expose (bar, event) |
2244 | struct scroll_bar *bar; | |
f451eb13 JB |
2245 | XEvent *event; |
2246 | { | |
ab648270 | 2247 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2248 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2249 | ||
f451eb13 JB |
2250 | BLOCK_INPUT; |
2251 | ||
ab648270 | 2252 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2253 | |
ab648270 | 2254 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2255 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2256 | |
2257 | /* x, y, width, height */ | |
12ba150f | 2258 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2259 | |
12ba150f JB |
2260 | /* Draw another line to make the extra-thick border on the right. */ |
2261 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2262 | |
12ba150f JB |
2263 | /* x, y, width, height */ |
2264 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2265 | |
2266 | UNBLOCK_INPUT; | |
2267 | } | |
2268 | ||
ab648270 JB |
2269 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2270 | is set to something other than no_event, it is enqueued. | |
2271 | ||
2272 | This may be called from a signal handler, so we have to ignore GC | |
2273 | mark bits. */ | |
f451eb13 | 2274 | static void |
ab648270 JB |
2275 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2276 | struct scroll_bar *bar; | |
f451eb13 JB |
2277 | XEvent *event; |
2278 | struct input_event *emacs_event; | |
2279 | { | |
ab648270 | 2280 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2281 | abort (); |
2282 | ||
ab648270 | 2283 | emacs_event->kind = scroll_bar_click; |
12ba150f | 2284 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 | 2285 | emacs_event->modifiers = |
dfeccd2d | 2286 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
2287 | | (event->type == ButtonRelease |
2288 | ? up_modifier | |
2289 | : down_modifier)); | |
12ba150f | 2290 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2291 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2292 | { |
2293 | int internal_height = | |
ab648270 | 2294 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2295 | int top_range = |
ab648270 JB |
2296 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2297 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2298 | |
2299 | if (y < 0) y = 0; | |
2300 | if (y > top_range) y = top_range; | |
2301 | ||
2302 | if (y < XINT (bar->start)) | |
ab648270 JB |
2303 | emacs_event->part = scroll_bar_above_handle; |
2304 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2305 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2306 | else |
ab648270 | 2307 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2308 | |
2309 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2310 | they want to drag it. Lisp code needs to be able to decide |
2311 | whether or not we're dragging. */ | |
929787e1 | 2312 | #if 0 |
12ba150f JB |
2313 | /* If the user has just clicked on the handle, record where they're |
2314 | holding it. */ | |
2315 | if (event->type == ButtonPress | |
ab648270 | 2316 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 2317 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 2318 | #endif |
12ba150f JB |
2319 | |
2320 | /* If the user has released the handle, set it to its final position. */ | |
2321 | if (event->type == ButtonRelease | |
2322 | && ! NILP (bar->dragging)) | |
2323 | { | |
2324 | int new_start = y - XINT (bar->dragging); | |
2325 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2326 | |
ab648270 | 2327 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2328 | bar->dragging = Qnil; |
2329 | } | |
f451eb13 | 2330 | |
5116f055 JB |
2331 | /* Same deal here as the other #if 0. */ |
2332 | #if 0 | |
12ba150f JB |
2333 | /* Clicks on the handle are always reported as occuring at the top of |
2334 | the handle. */ | |
ab648270 | 2335 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2336 | emacs_event->x = bar->start; |
2337 | else | |
2338 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
2339 | #else |
2340 | XSET (emacs_event->x, Lisp_Int, y); | |
2341 | #endif | |
f451eb13 | 2342 | |
12ba150f JB |
2343 | XSET (emacs_event->y, Lisp_Int, top_range); |
2344 | } | |
2345 | } | |
f451eb13 | 2346 | |
ab648270 JB |
2347 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2348 | ||
2349 | This may be called from a signal handler, so we have to ignore GC | |
2350 | mark bits. */ | |
f451eb13 | 2351 | static void |
ab648270 JB |
2352 | x_scroll_bar_note_movement (bar, event) |
2353 | struct scroll_bar *bar; | |
f451eb13 JB |
2354 | XEvent *event; |
2355 | { | |
2356 | last_mouse_movement_time = event->xmotion.time; | |
2357 | ||
2358 | mouse_moved = 1; | |
ab648270 | 2359 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2360 | |
2361 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2362 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2363 | { |
2364 | /* Where should the handle be now? */ | |
12ba150f | 2365 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2366 | |
12ba150f | 2367 | if (new_start != XINT (bar->start)) |
f451eb13 | 2368 | { |
12ba150f | 2369 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2370 | |
ab648270 | 2371 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2372 | } |
2373 | } | |
2374 | ||
2375 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2376 | moves and we can see *still* on the same position. */ | |
2377 | { | |
2378 | int dummy; | |
2379 | ||
2380 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2381 | (Window *) &dummy, (Window *) &dummy, | |
2382 | &dummy, &dummy, &dummy, &dummy, | |
2383 | (unsigned int *) &dummy); | |
2384 | } | |
2385 | } | |
2386 | ||
12ba150f | 2387 | /* Return information to the user about the current position of the mouse |
ab648270 | 2388 | on the scroll bar. */ |
12ba150f | 2389 | static void |
ab648270 | 2390 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2391 | FRAME_PTR *f; |
2392 | Lisp_Object *bar_window; | |
ab648270 | 2393 | enum scroll_bar_part *part; |
12ba150f JB |
2394 | Lisp_Object *x, *y; |
2395 | unsigned long *time; | |
2396 | { | |
ab648270 | 2397 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 2398 | int win_x, win_y; |
559cb2fb JB |
2399 | Window dummy_window; |
2400 | int dummy_coord; | |
2401 | unsigned int dummy_mask; | |
12ba150f | 2402 | |
cf7cb199 JB |
2403 | BLOCK_INPUT; |
2404 | ||
ab648270 | 2405 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 2406 | report that. */ |
559cb2fb JB |
2407 | if (! XQueryPointer (x_current_display, |
2408 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 2409 | |
559cb2fb JB |
2410 | /* Root, child, root x and root y. */ |
2411 | &dummy_window, &dummy_window, | |
2412 | &dummy_coord, &dummy_coord, | |
12ba150f | 2413 | |
559cb2fb JB |
2414 | /* Position relative to scroll bar. */ |
2415 | &win_x, &win_y, | |
12ba150f | 2416 | |
559cb2fb JB |
2417 | /* Mouse buttons and modifier keys. */ |
2418 | &dummy_mask)) | |
2419 | *f = 0; | |
2420 | else | |
2421 | { | |
2422 | int inside_height | |
2423 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2424 | int top_range | |
2425 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2426 | ||
2427 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
2428 | ||
2429 | if (! NILP (bar->dragging)) | |
2430 | win_y -= XINT (bar->dragging); | |
2431 | ||
2432 | if (win_y < 0) | |
2433 | win_y = 0; | |
2434 | if (win_y > top_range) | |
2435 | win_y = top_range; | |
2436 | ||
2437 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2438 | *bar_window = bar->window; | |
2439 | ||
2440 | if (! NILP (bar->dragging)) | |
2441 | *part = scroll_bar_handle; | |
2442 | else if (win_y < XINT (bar->start)) | |
2443 | *part = scroll_bar_above_handle; | |
2444 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2445 | *part = scroll_bar_handle; | |
2446 | else | |
2447 | *part = scroll_bar_below_handle; | |
12ba150f | 2448 | |
559cb2fb JB |
2449 | XSET (*x, Lisp_Int, win_y); |
2450 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 2451 | |
559cb2fb JB |
2452 | mouse_moved = 0; |
2453 | last_mouse_scroll_bar = Qnil; | |
2454 | } | |
12ba150f | 2455 | |
559cb2fb | 2456 | *time = last_mouse_movement_time; |
cf7cb199 | 2457 | |
cf7cb199 | 2458 | UNBLOCK_INPUT; |
12ba150f JB |
2459 | } |
2460 | ||
f451eb13 | 2461 | |
dbc4e1c1 | 2462 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2463 | background colors, and the scroll bars may need to be redrawn. |
2464 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2465 | redraw them. */ |
2466 | ||
ab648270 | 2467 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2468 | FRAME_PTR f; |
2469 | { | |
2470 | Lisp_Object bar; | |
2471 | ||
ab648270 | 2472 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2473 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2474 | bar = XSCROLL_BAR (bar)->next) |
2475 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2476 | 0, 0, 0, 0, True); |
2477 | } | |
2478 | ||
2479 | ||
f451eb13 JB |
2480 | \f |
2481 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2482 | |
dc6f92b8 JB |
2483 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2484 | but we have to put it out here, since static variables within functions | |
2485 | sometimes don't work. */ | |
2486 | static Time enter_timestamp; | |
2487 | ||
11edeb03 JB |
2488 | /* This holds the state XLookupString needs to implement dead keys |
2489 | and other tricks known as "compose processing". _X Window System_ | |
2490 | says that a portable program can't use this, but Stephen Gildea assures | |
2491 | me that letting the compiler initialize it to zeros will work okay. | |
2492 | ||
2493 | This must be defined outside of XTread_socket, for the same reasons | |
2494 | given for enter_timestamp, above. */ | |
2495 | static XComposeStatus compose_status; | |
2496 | ||
c047688c JA |
2497 | /* Communication with window managers. */ |
2498 | Atom Xatom_wm_protocols; | |
2499 | ||
2500 | /* Kinds of protocol things we may receive. */ | |
2501 | Atom Xatom_wm_take_focus; | |
2502 | Atom Xatom_wm_save_yourself; | |
2503 | Atom Xatom_wm_delete_window; | |
2504 | ||
2505 | /* Other WM communication */ | |
2506 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2507 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2508 | ||
d56a553a RS |
2509 | /* Window manager communication. */ |
2510 | Atom Xatom_wm_change_state; | |
2511 | ||
10e6549c RS |
2512 | /* Record the last 100 characters stored |
2513 | to help debug the loss-of-chars-during-GC problem. */ | |
2514 | int temp_index; | |
2515 | short temp_buffer[100]; | |
2516 | ||
dc6f92b8 JB |
2517 | /* Read events coming from the X server. |
2518 | This routine is called by the SIGIO handler. | |
2519 | We return as soon as there are no more events to be read. | |
2520 | ||
2521 | Events representing keys are stored in buffer BUFP, | |
2522 | which can hold up to NUMCHARS characters. | |
2523 | We return the number of characters stored into the buffer, | |
2524 | thus pretending to be `read'. | |
2525 | ||
2526 | WAITP is nonzero if we should block until input arrives. | |
2527 | EXPECTED is nonzero if the caller knows input is available. */ | |
2528 | ||
7c5283e4 | 2529 | int |
dc6f92b8 JB |
2530 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2531 | register int sd; | |
2532 | register struct input_event *bufp; | |
2533 | register int numchars; | |
2534 | int waitp; | |
2535 | int expected; | |
2536 | { | |
2537 | int count = 0; | |
2538 | int nbytes = 0; | |
2539 | int mask; | |
2540 | int items_pending; /* How many items are in the X queue. */ | |
2541 | XEvent event; | |
f676886a | 2542 | struct frame *f; |
dc6f92b8 JB |
2543 | int event_found; |
2544 | int prefix; | |
2545 | Lisp_Object part; | |
2546 | ||
9ac0d9e0 | 2547 | if (interrupt_input_blocked) |
dc6f92b8 | 2548 | { |
9ac0d9e0 | 2549 | interrupt_input_pending = 1; |
dc6f92b8 JB |
2550 | return -1; |
2551 | } | |
2552 | ||
9ac0d9e0 | 2553 | interrupt_input_pending = 0; |
dc6f92b8 JB |
2554 | BLOCK_INPUT; |
2555 | ||
2556 | if (numchars <= 0) | |
2557 | abort (); /* Don't think this happens. */ | |
2558 | ||
2559 | #ifdef FIOSNBIO | |
2560 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2561 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2562 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2563 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2564 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2565 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2566 | |
2567 | #ifndef SIGIO | |
2568 | #ifndef HAVE_SELECT | |
2569 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2570 | { | |
2571 | extern int read_alarm_should_throw; | |
2572 | read_alarm_should_throw = 1; | |
2573 | XPeekEvent (XDISPLAY &event); | |
2574 | read_alarm_should_throw = 0; | |
2575 | } | |
c118dd06 JB |
2576 | #endif /* HAVE_SELECT */ |
2577 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2578 | |
2579 | while (XStuffPending () != 0) | |
2580 | { | |
2581 | XNextEvent (XDISPLAY &event); | |
2582 | event_found = 1; | |
2583 | ||
2584 | switch (event.type) | |
2585 | { | |
2586 | #ifdef HAVE_X11 | |
c047688c JA |
2587 | case ClientMessage: |
2588 | { | |
2589 | if (event.xclient.message_type == Xatom_wm_protocols | |
2590 | && event.xclient.format == 32) | |
2591 | { | |
2592 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2593 | { | |
f676886a JB |
2594 | f = x_window_to_frame (event.xclient.window); |
2595 | if (f) | |
2596 | x_focus_on_frame (f); | |
ab648270 | 2597 | /* Not certain about handling scroll bars here */ |
c047688c JA |
2598 | } |
2599 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2600 | { | |
2601 | /* Save state modify the WM_COMMAND property to | |
2602 | something which can reinstate us. This notifies | |
2603 | the session manager, who's looking for such a | |
2604 | PropertyNotify. Can restart processing when | |
2605 | a keyboard or mouse event arrives. */ | |
2606 | if (numchars > 0) | |
2607 | { | |
2608 | } | |
2609 | } | |
2610 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2611 | { | |
f676886a | 2612 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2613 | |
f676886a | 2614 | if (f) |
c047688c JA |
2615 | if (numchars > 0) |
2616 | { | |
2617 | } | |
2618 | } | |
2619 | } | |
2620 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2621 | { | |
2622 | } | |
2623 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2624 | { | |
2625 | int new_x, new_y; | |
2626 | ||
4357eba7 JB |
2627 | new_x = event.xclient.data.s[0]; |
2628 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2629 | } |
2630 | } | |
2631 | break; | |
dc6f92b8 | 2632 | |
d56a553a RS |
2633 | #ifdef NEW_SELECTIONS |
2634 | case SelectionNotify: | |
2635 | x_handle_selection_notify (&event); | |
2636 | break; | |
2637 | #endif | |
2638 | ||
dc6f92b8 | 2639 | case SelectionClear: /* Someone has grabbed ownership. */ |
d56a553a RS |
2640 | #ifdef NEW_SELECTIONS |
2641 | { | |
2642 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
2643 | ||
2644 | if (numchars == 0) | |
2645 | abort (); | |
2646 | ||
2647 | bufp->kind = selection_clear_event; | |
2648 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2649 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2650 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2651 | bufp++; | |
2652 | ||
2653 | count += 1; | |
2654 | numchars -= 1; | |
2655 | } | |
2656 | #else | |
dc6f92b8 JB |
2657 | x_disown_selection (event.xselectionclear.window, |
2658 | event.xselectionclear.selection, | |
2659 | event.xselectionclear.time); | |
d56a553a | 2660 | #endif |
dc6f92b8 JB |
2661 | break; |
2662 | ||
2663 | case SelectionRequest: /* Someone wants our selection. */ | |
d56a553a RS |
2664 | #ifdef NEW_SELECTIONS |
2665 | { | |
2666 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
2667 | ||
2668 | if (numchars == 0) | |
2669 | abort (); | |
2670 | ||
2671 | bufp->kind = selection_request_event; | |
2672 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2673 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
2674 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2675 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
2676 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
2677 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2678 | bufp++; | |
2679 | ||
2680 | count += 1; | |
2681 | numchars -= 1; | |
2682 | } | |
2683 | #else | |
dc6f92b8 | 2684 | x_answer_selection_request (event); |
d56a553a | 2685 | #endif |
dc6f92b8 JB |
2686 | break; |
2687 | ||
2688 | case PropertyNotify: | |
d56a553a RS |
2689 | #ifdef NEW_SELECTIONS |
2690 | x_handle_property_notify (&event); | |
2691 | #else | |
28430d3c JB |
2692 | /* If we're being told about a root window property, then it's |
2693 | a cut buffer change. */ | |
2694 | if (event.xproperty.window == ROOT_WINDOW) | |
2695 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2696 | ||
2697 | /* Otherwise, we're probably handling an incremental | |
2698 | selection transmission. */ | |
2699 | else | |
2700 | { | |
2701 | /* If we were to do this synchronously, there'd be no worry | |
2702 | about re-selecting. */ | |
2703 | x_send_incremental (event); | |
2704 | } | |
d56a553a | 2705 | #endif |
dc6f92b8 JB |
2706 | break; |
2707 | ||
3bd330d4 RS |
2708 | case ReparentNotify: |
2709 | f = x_window_to_frame (event.xreparent.window); | |
2710 | if (f) | |
2711 | f->display.x->parent_desc = event.xreparent.parent; | |
2712 | break; | |
2713 | ||
dc6f92b8 | 2714 | case Expose: |
f676886a JB |
2715 | f = x_window_to_frame (event.xexpose.window); |
2716 | if (f) | |
dc6f92b8 | 2717 | { |
3a88c238 | 2718 | if (f->async_visible == 0) |
dc6f92b8 | 2719 | { |
3a88c238 JB |
2720 | f->async_visible = 1; |
2721 | f->async_iconified = 0; | |
f676886a | 2722 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2723 | } |
2724 | else | |
f451eb13 JB |
2725 | { |
2726 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2727 | event.xexpose.x, event.xexpose.y, | |
2728 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2729 | } |
2730 | } | |
2731 | else | |
2732 | { | |
ab648270 JB |
2733 | struct scroll_bar *bar |
2734 | = x_window_to_scroll_bar (event.xexpose.window); | |
f451eb13 JB |
2735 | |
2736 | if (bar) | |
ab648270 | 2737 | x_scroll_bar_expose (bar, &event); |
dc6f92b8 JB |
2738 | } |
2739 | break; | |
2740 | ||
2741 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2742 | source area was obscured or not | |
2743 | available.*/ | |
f451eb13 JB |
2744 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2745 | if (f) | |
2746 | { | |
2747 | dumprectangle (f, | |
2748 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2749 | event.xgraphicsexpose.width, | |
2750 | event.xgraphicsexpose.height); | |
f451eb13 | 2751 | } |
dc6f92b8 JB |
2752 | break; |
2753 | ||
2754 | case NoExpose: /* This occurs when an XCopyArea's | |
2755 | source area was completely | |
2756 | available */ | |
2757 | break; | |
c118dd06 | 2758 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2759 | case ExposeWindow: |
2760 | if (event.subwindow != 0) | |
2761 | break; /* duplicate event */ | |
f676886a JB |
2762 | f = x_window_to_frame (event.window); |
2763 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2764 | { |
f676886a | 2765 | refreshicon (f); |
3a88c238 | 2766 | f->async_iconified = 1; |
dc6f92b8 | 2767 | } |
c118dd06 | 2768 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2769 | { |
2770 | /* Say must check all windows' needs_exposure flags. */ | |
2771 | expose_all_windows = 1; | |
f676886a | 2772 | f->display.x->needs_exposure = 1; |
3a88c238 | 2773 | f->async_visible = 1; |
dc6f92b8 JB |
2774 | } |
2775 | break; | |
2776 | ||
2777 | case ExposeRegion: | |
2778 | if (event.subwindow != 0) | |
2779 | break; /* duplicate event */ | |
f676886a JB |
2780 | f = x_window_to_frame (event.window); |
2781 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2782 | { |
f676886a | 2783 | refreshicon (f); |
dc6f92b8 JB |
2784 | break; |
2785 | } | |
2786 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2787 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2788 | break; |
2789 | /* Put the event on the queue of rectangles to redraw. */ | |
2790 | if (enqueue_event (&event, &x_expose_queue)) | |
2791 | /* If it is full, we can't record the rectangle, | |
2792 | so redraw this entire window. */ | |
2793 | { | |
2794 | /* Say must check all windows' needs_exposure flags. */ | |
2795 | expose_all_windows = 1; | |
f676886a | 2796 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2797 | } |
2798 | break; | |
2799 | ||
2800 | case ExposeCopy: | |
2801 | /* This should happen only when we are expecting it, | |
2802 | in x_read_exposes. */ | |
2803 | abort (); | |
c118dd06 | 2804 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2805 | |
2806 | #ifdef HAVE_X11 | |
2807 | case UnmapNotify: | |
f451eb13 JB |
2808 | f = x_window_to_frame (event.xunmap.window); |
2809 | if (f) /* F may no longer exist if | |
f676886a | 2810 | the frame was deleted. */ |
f451eb13 JB |
2811 | { |
2812 | /* While a frame is unmapped, display generation is | |
2813 | disabled; you don't want to spend time updating a | |
2814 | display that won't ever be seen. */ | |
2815 | f->async_visible = 0; | |
2816 | } | |
dc6f92b8 JB |
2817 | break; |
2818 | ||
2819 | case MapNotify: | |
f676886a JB |
2820 | f = x_window_to_frame (event.xmap.window); |
2821 | if (f) | |
dc6f92b8 | 2822 | { |
3a88c238 JB |
2823 | f->async_visible = 1; |
2824 | f->async_iconified = 0; | |
dc6f92b8 JB |
2825 | |
2826 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2827 | the frame's display structures. */ |
2828 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2829 | } |
2830 | break; | |
2831 | ||
2832 | /* Turn off processing if we become fully obscured. */ | |
2833 | case VisibilityNotify: | |
2834 | break; | |
2835 | ||
c118dd06 | 2836 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2837 | case UnmapWindow: |
f676886a JB |
2838 | f = x_window_to_frame (event.window); |
2839 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2840 | f->async_iconified = 0; |
c118dd06 | 2841 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2842 | f->async_visible = 0; |
dc6f92b8 | 2843 | break; |
c118dd06 | 2844 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2845 | |
2846 | #ifdef HAVE_X11 | |
2847 | case KeyPress: | |
f676886a | 2848 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2849 | |
f676886a | 2850 | if (f != 0) |
dc6f92b8 JB |
2851 | { |
2852 | KeySym keysym; | |
dc6f92b8 | 2853 | char copy_buffer[80]; |
64bb1782 RS |
2854 | int modifiers; |
2855 | ||
dfeccd2d JB |
2856 | event.xkey.state |
2857 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 2858 | modifiers = event.xkey.state; |
3a2712f9 | 2859 | |
11edeb03 | 2860 | /* This will have to go some day... */ |
752a043f JB |
2861 | |
2862 | /* make_lispy_event turns chars into control chars. | |
2863 | Don't do it here because XLookupString is too eager. */ | |
2864 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
2865 | nbytes = |
2866 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2867 | &compose_status); | |
dc6f92b8 | 2868 | |
55123275 JB |
2869 | /* Strip off the vendor-specific keysym bit, and take a shot |
2870 | at recognizing the codes. HP servers have extra keysyms | |
2871 | that fit into the MiscFunctionKey category. */ | |
2872 | keysym &= ~(1<<28); | |
2873 | ||
dc6f92b8 JB |
2874 | if (numchars > 1) |
2875 | { | |
a3c44b14 RS |
2876 | if ((keysym >= XK_BackSpace && keysym <= XK_Escape) |
2877 | || keysym == XK_Delete | |
2878 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
55123275 | 2879 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < 0xff80 */ |
c34790e0 RS |
2880 | #ifdef HPUX |
2881 | /* This recognizes the "extended function keys". | |
2882 | It seems there's no cleaner way. */ | |
2883 | || ((unsigned) (keysym) >= XK_Select | |
2884 | && (unsigned)(keysym) < XK_KP_Space) | |
2885 | #endif | |
55123275 JB |
2886 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
2887 | || IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */ | |
dc6f92b8 | 2888 | { |
10e6549c RS |
2889 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2890 | temp_index = 0; | |
2891 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 2892 | bufp->kind = non_ascii_keystroke; |
a3c44b14 | 2893 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff00); |
12ba150f | 2894 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 2895 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 2896 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2897 | bufp++; |
2898 | count++; | |
2899 | numchars--; | |
2900 | } | |
2901 | else if (numchars > nbytes) | |
2902 | { | |
2903 | register int i; | |
2904 | ||
10e6549c | 2905 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 2906 | { |
10e6549c RS |
2907 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2908 | temp_index = 0; | |
2909 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 2910 | bufp->kind = ascii_keystroke; |
10e6549c | 2911 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); |
12ba150f | 2912 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 2913 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 2914 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2915 | bufp++; |
2916 | } | |
dc6f92b8 JB |
2917 | |
2918 | count += nbytes; | |
2919 | numchars -= nbytes; | |
2920 | } | |
10e6549c RS |
2921 | else |
2922 | abort (); | |
dc6f92b8 | 2923 | } |
10e6549c RS |
2924 | else |
2925 | abort (); | |
dc6f92b8 JB |
2926 | } |
2927 | break; | |
c118dd06 | 2928 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2929 | case KeyPressed: |
2930 | { | |
2931 | register char *where_mapping; | |
2932 | ||
f676886a | 2933 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2934 | /* Ignore keys typed on icon windows. */ |
f676886a | 2935 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2936 | break; |
2937 | where_mapping = XLookupMapping (&event, &nbytes); | |
2938 | /* Nasty fix for arrow keys */ | |
2939 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2940 | { | |
2941 | switch (event.detail & 0xff) | |
2942 | { | |
2943 | case KC_CURSOR_LEFT: | |
2944 | where_mapping = "\002"; | |
2945 | break; | |
2946 | case KC_CURSOR_RIGHT: | |
2947 | where_mapping = "\006"; | |
2948 | break; | |
2949 | case KC_CURSOR_UP: | |
2950 | where_mapping = "\020"; | |
2951 | break; | |
2952 | case KC_CURSOR_DOWN: | |
2953 | where_mapping = "\016"; | |
2954 | break; | |
2955 | } | |
2956 | nbytes = 1; | |
2957 | } | |
2958 | if (numchars - nbytes > 0) | |
2959 | { | |
2960 | register int i; | |
2961 | ||
2962 | for (i = 0; i < nbytes; i++) | |
2963 | { | |
2964 | bufp->kind = ascii_keystroke; | |
2965 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2966 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 2967 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
2968 | bufp++; |
2969 | } | |
2970 | count += nbytes; | |
2971 | numchars -= nbytes; | |
2972 | } | |
2973 | } | |
2974 | break; | |
c118dd06 | 2975 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2976 | |
2977 | #ifdef HAVE_X11 | |
f451eb13 JB |
2978 | |
2979 | /* Here's a possible interpretation of the whole | |
2980 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
2981 | FocusIn event, you have to get a FocusOut event before you | |
2982 | relinquish the focus. If you haven't received a FocusIn event, | |
2983 | then a mere LeaveNotify is enough to free you. */ | |
2984 | ||
dc6f92b8 | 2985 | case EnterNotify: |
f676886a | 2986 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 2987 | |
f451eb13 | 2988 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 2989 | { |
dc6f92b8 | 2990 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
2991 | if (f && (!(f->auto_raise) |
2992 | || !(f->auto_lower) | |
dc6f92b8 JB |
2993 | || (event.xcrossing.time - enter_timestamp) > 500)) |
2994 | { | |
f676886a | 2995 | x_new_focus_frame (f); |
dc6f92b8 JB |
2996 | enter_timestamp = event.xcrossing.time; |
2997 | } | |
dc6f92b8 | 2998 | } |
f676886a JB |
2999 | else if (f == x_focus_frame) |
3000 | x_new_focus_frame (0); | |
dc6f92b8 JB |
3001 | |
3002 | break; | |
3003 | ||
3004 | case FocusIn: | |
f676886a | 3005 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3006 | if (event.xfocus.detail != NotifyPointer) |
3007 | x_focus_event_frame = f; | |
f676886a JB |
3008 | if (f) |
3009 | x_new_focus_frame (f); | |
dc6f92b8 JB |
3010 | break; |
3011 | ||
f451eb13 | 3012 | |
dc6f92b8 | 3013 | case LeaveNotify: |
f451eb13 | 3014 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 3015 | |
f451eb13 JB |
3016 | if (event.xcrossing.focus) |
3017 | { | |
3018 | if (! x_focus_event_frame) | |
3019 | x_new_focus_frame (0); | |
3020 | else | |
f676886a | 3021 | x_new_focus_frame (f); |
f451eb13 JB |
3022 | } |
3023 | else | |
3024 | { | |
3025 | if (f == x_focus_event_frame) | |
3026 | x_focus_event_frame = 0; | |
3027 | if (f == x_focus_frame) | |
f676886a | 3028 | x_new_focus_frame (0); |
dc6f92b8 JB |
3029 | } |
3030 | break; | |
3031 | ||
3032 | case FocusOut: | |
f676886a | 3033 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3034 | if (event.xfocus.detail != NotifyPointer |
3035 | && f == x_focus_event_frame) | |
3036 | x_focus_event_frame = 0; | |
f676886a JB |
3037 | if (f && f == x_focus_frame) |
3038 | x_new_focus_frame (0); | |
dc6f92b8 JB |
3039 | break; |
3040 | ||
c118dd06 | 3041 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3042 | |
3043 | case EnterWindow: | |
3044 | if ((event.detail & 0xFF) == 1) | |
3045 | break; /* Coming from our own subwindow */ | |
3046 | if (event.subwindow != 0) | |
3047 | break; /* Entering our own subwindow. */ | |
3048 | ||
3049 | { | |
f676886a JB |
3050 | f = x_window_to_frame (event.window); |
3051 | x_mouse_frame = f; | |
dc6f92b8 | 3052 | |
f676886a | 3053 | x_new_focus_frame (f); |
dc6f92b8 JB |
3054 | } |
3055 | break; | |
3056 | ||
3057 | case LeaveWindow: | |
3058 | if ((event.detail & 0xFF) == 1) | |
3059 | break; /* Entering our own subwindow */ | |
3060 | if (event.subwindow != 0) | |
3061 | break; /* Leaving our own subwindow. */ | |
3062 | ||
f676886a JB |
3063 | x_mouse_frame = 0; |
3064 | if (x_focus_frame == 0 | |
3065 | && x_input_frame != 0 | |
3066 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 3067 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 3068 | { |
f676886a JB |
3069 | f = x_input_frame; |
3070 | x_input_frame = 0; | |
3071 | if (f) | |
3072 | frame_unhighlight (f); | |
dc6f92b8 JB |
3073 | } |
3074 | break; | |
c118dd06 | 3075 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3076 | |
3077 | #ifdef HAVE_X11 | |
3078 | case MotionNotify: | |
3079 | { | |
f676886a JB |
3080 | f = x_window_to_frame (event.xmotion.window); |
3081 | if (f) | |
12ba150f | 3082 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 3083 | else |
dc6f92b8 | 3084 | { |
ab648270 JB |
3085 | struct scroll_bar *bar = |
3086 | x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3087 | |
3088 | if (bar) | |
ab648270 | 3089 | x_scroll_bar_note_movement (bar, &event); |
dc6f92b8 | 3090 | } |
dc6f92b8 JB |
3091 | } |
3092 | break; | |
3093 | ||
3094 | case ConfigureNotify: | |
dbc4e1c1 JB |
3095 | f = x_window_to_frame (event.xconfigure.window); |
3096 | if (f) | |
3097 | { | |
3098 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3099 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3100 | ||
3101 | /* Even if the number of character rows and columns has | |
3102 | not changed, the font size may have changed, so we need | |
3103 | to check the pixel dimensions as well. */ | |
3104 | if (columns != f->width | |
3105 | || rows != f->height | |
3106 | || event.xconfigure.width != f->display.x->pixel_width | |
3107 | || event.xconfigure.height != f->display.x->pixel_height) | |
3108 | { | |
3109 | change_frame_size (f, rows, columns, 0, 1); | |
3110 | SET_FRAME_GARBAGED (f); | |
3111 | } | |
dc6f92b8 | 3112 | |
3bd330d4 | 3113 | if (! event.xconfigure.send_event) |
af395ec1 RS |
3114 | { |
3115 | Window win, child; | |
3116 | int win_x, win_y; | |
3117 | ||
3bd330d4 RS |
3118 | /* Coords are relative to the parent. |
3119 | Convert them to root-relative. */ | |
af395ec1 RS |
3120 | XTranslateCoordinates (x_current_display, |
3121 | ||
3122 | /* From-window, to-window. */ | |
3bd330d4 RS |
3123 | f->display.x->parent_desc, |
3124 | ROOT_WINDOW, | |
af395ec1 RS |
3125 | |
3126 | /* From-position, to-position. */ | |
3127 | event.xconfigure.x, | |
3128 | event.xconfigure.y, | |
3129 | &win_x, &win_y, | |
3130 | ||
3131 | /* Child of win. */ | |
3132 | &child); | |
3133 | event.xconfigure.x = win_x; | |
3134 | event.xconfigure.y = win_y; | |
3135 | } | |
3136 | ||
dbc4e1c1 JB |
3137 | f->display.x->pixel_width = event.xconfigure.width; |
3138 | f->display.x->pixel_height = event.xconfigure.height; | |
3139 | f->display.x->left_pos = event.xconfigure.x; | |
3140 | f->display.x->top_pos = event.xconfigure.y; | |
3141 | } | |
3142 | break; | |
dc6f92b8 JB |
3143 | |
3144 | case ButtonPress: | |
3145 | case ButtonRelease: | |
3146 | { | |
3147 | /* If we decide we want to generate an event to be seen | |
3148 | by the rest of Emacs, we put it here. */ | |
3149 | struct input_event emacs_event; | |
3150 | emacs_event.kind = no_event; | |
3151 | ||
f676886a JB |
3152 | f = x_window_to_frame (event.xbutton.window); |
3153 | if (f) | |
f451eb13 JB |
3154 | { |
3155 | if (!x_focus_frame || (f == x_focus_frame)) | |
3156 | construct_mouse_click (&emacs_event, | |
b10fd412 | 3157 | &event, f); |
f451eb13 | 3158 | } |
dc6f92b8 | 3159 | else |
f451eb13 | 3160 | { |
ab648270 JB |
3161 | struct scroll_bar *bar = |
3162 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3163 | |
3164 | if (bar) | |
ab648270 | 3165 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
f451eb13 | 3166 | } |
dc6f92b8 JB |
3167 | |
3168 | if (numchars >= 1 && emacs_event.kind != no_event) | |
3169 | { | |
3170 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3171 | bufp++; | |
3172 | count++; | |
3173 | numchars--; | |
3174 | } | |
3175 | } | |
3176 | break; | |
3177 | ||
c118dd06 | 3178 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3179 | case ButtonPressed: |
3180 | case ButtonReleased: | |
f676886a JB |
3181 | f = x_window_to_frame (event.window); |
3182 | if (f) | |
dc6f92b8 | 3183 | { |
f676886a | 3184 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 3185 | { |
f676886a | 3186 | x_make_frame_visible (f); |
dc6f92b8 JB |
3187 | |
3188 | if (warp_mouse_on_deiconify) | |
c118dd06 | 3189 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
3190 | break; |
3191 | } | |
c118dd06 | 3192 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 3193 | { |
f676886a JB |
3194 | if (f->auto_raise) |
3195 | x_raise_frame (f); | |
dc6f92b8 JB |
3196 | } |
3197 | } | |
3198 | enqueue_event (&event, &x_mouse_queue); | |
3199 | if (numchars >= 2) | |
3200 | { | |
3201 | bufp->kind = ascii_keystroke; | |
3202 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 3203 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3204 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3205 | bufp++; |
3206 | ||
3207 | bufp->kind = ascii_keystroke; | |
3208 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 3209 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3210 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3211 | bufp++; |
3212 | ||
3213 | count += 2; | |
3214 | numchars -= 2; | |
3215 | } | |
3216 | break; | |
c118dd06 | 3217 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3218 | |
3219 | #ifdef HAVE_X11 | |
3220 | ||
3221 | case CirculateNotify: | |
3222 | break; | |
3223 | case CirculateRequest: | |
3224 | break; | |
3225 | ||
c118dd06 | 3226 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3227 | |
3228 | case MappingNotify: | |
11edeb03 JB |
3229 | /* Someone has changed the keyboard mapping - update the |
3230 | local cache. */ | |
3231 | switch (event.xmapping.request) | |
3232 | { | |
3233 | case MappingModifier: | |
3234 | x_find_modifier_meanings (); | |
3235 | /* This is meant to fall through. */ | |
3236 | case MappingKeyboard: | |
3237 | XRefreshKeyboardMapping (&event.xmapping); | |
3238 | } | |
dc6f92b8 JB |
3239 | break; |
3240 | ||
3241 | default: | |
3242 | break; | |
3243 | } | |
3244 | } | |
3245 | ||
3246 | #if 0 | |
3247 | #ifdef HAVE_SELECT | |
3248 | if (expected && ! event_found) | |
3249 | { | |
3250 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3251 | there is an EOF condition; in other words, that X has died. | |
3252 | Act as if there had been a hangup. */ | |
3253 | ||
3254 | int fd = ConnectionNumber (x_current_display); | |
3255 | int mask = 1 << fd; | |
3256 | ||
3257 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 3258 | (EMACS_TIME) 0) |
dc6f92b8 JB |
3259 | && !XStuffPending ()) |
3260 | kill (getpid (), SIGHUP); | |
3261 | } | |
c118dd06 JB |
3262 | #endif /* ! defined (HAVE_SELECT) */ |
3263 | #endif /* ! 0 */ | |
dc6f92b8 | 3264 | |
f451eb13 | 3265 | #ifndef HAVE_X11 |
f676886a | 3266 | if (updating_frame == 0) |
dc6f92b8 | 3267 | x_do_pending_expose (); |
f451eb13 | 3268 | #endif |
dc6f92b8 JB |
3269 | |
3270 | UNBLOCK_INPUT; | |
3271 | return count; | |
3272 | } | |
3273 | ||
3274 | #ifndef HAVE_X11 | |
3275 | /* Read and process only Expose events | |
3276 | until we get an ExposeCopy event; then return. | |
3277 | This is used in insert/delete line. | |
3278 | We assume input is already blocked. */ | |
3279 | ||
3280 | static void | |
3281 | x_read_exposes () | |
3282 | { | |
f676886a | 3283 | struct frame *f; |
dc6f92b8 JB |
3284 | XKeyPressedEvent event; |
3285 | ||
3286 | while (1) | |
3287 | { | |
3288 | /* while there are more events*/ | |
3289 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3290 | switch (event.type) | |
3291 | { | |
3292 | case ExposeWindow: | |
3293 | if (event.subwindow != 0) | |
3294 | break; /* duplicate event */ | |
f676886a JB |
3295 | f = x_window_to_frame (event.window); |
3296 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3297 | { |
f676886a | 3298 | refreshicon (f); |
dc6f92b8 JB |
3299 | break; |
3300 | } | |
c118dd06 | 3301 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3302 | { |
3303 | expose_all_windows = 1; | |
f676886a | 3304 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3305 | break; |
3306 | } | |
3307 | break; | |
3308 | ||
3309 | case ExposeRegion: | |
3310 | if (event.subwindow != 0) | |
3311 | break; /* duplicate event */ | |
f676886a JB |
3312 | f = x_window_to_frame (event.window); |
3313 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3314 | { |
f676886a | 3315 | refreshicon (f); |
dc6f92b8 JB |
3316 | break; |
3317 | } | |
3318 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3319 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3320 | break; |
3321 | /* Put the event on the queue of rectangles to redraw. */ | |
3322 | if (enqueue_event (&event, &x_expose_queue)) | |
3323 | /* If it is full, we can't record the rectangle, | |
3324 | so redraw this entire window. */ | |
3325 | { | |
3326 | /* Say must check all windows' needs_exposure flags. */ | |
3327 | expose_all_windows = 1; | |
f676886a | 3328 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3329 | } |
3330 | break; | |
3331 | ||
3332 | case ExposeCopy: | |
3333 | return; | |
3334 | } | |
3335 | } | |
3336 | } | |
3337 | #endif /* HAVE_X11 */ | |
3338 | ||
dc6f92b8 | 3339 | \f |
f451eb13 JB |
3340 | /* Drawing the cursor. */ |
3341 | ||
3342 | ||
dc6f92b8 JB |
3343 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3344 | ||
3345 | static void | |
f676886a JB |
3346 | x_draw_box (f) |
3347 | struct frame *f; | |
dc6f92b8 | 3348 | { |
12ba150f JB |
3349 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3350 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3351 | int width = FONT_WIDTH (f->display.x->font); |
3352 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3353 | |
3354 | #ifdef HAVE_X11 | |
c118dd06 | 3355 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3356 | f->display.x->cursor_gc, |
dc6f92b8 | 3357 | left, top, width - 1, height - 1); |
c118dd06 JB |
3358 | #else /* ! defined (HAVE_X11) */ |
3359 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3360 | left, top, width, 1, |
f676886a | 3361 | f->display.x->cursor_pixel); |
dc6f92b8 | 3362 | |
c118dd06 | 3363 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3364 | left, top, 1, height, |
f676886a | 3365 | f->display.x->cursor_pixel); |
dc6f92b8 | 3366 | |
c118dd06 | 3367 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3368 | left+width-1, top, 1, height, |
f676886a | 3369 | f->display.x->cursor_pixel); |
dc6f92b8 | 3370 | |
c118dd06 | 3371 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3372 | left, top+height-1, width, 1, |
f676886a | 3373 | f->display.x->cursor_pixel); |
c118dd06 | 3374 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3375 | } |
3376 | ||
f676886a | 3377 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3378 | and mark the cursor as not shown. |
3379 | This is used when the text where the cursor is | |
3380 | is about to be rewritten. */ | |
3381 | ||
3382 | static void | |
f676886a JB |
3383 | clear_cursor (f) |
3384 | struct frame *f; | |
dc6f92b8 JB |
3385 | { |
3386 | int mask; | |
3387 | ||
f451eb13 | 3388 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3389 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3390 | return; |
3391 | ||
3392 | #ifdef HAVE_X11 | |
f676886a | 3393 | x_display_cursor (f, 0); |
c118dd06 JB |
3394 | #else /* ! defined (HAVE_X11) */ |
3395 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3396 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3397 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3398 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3399 | f->display.x->background_pixel); | |
c118dd06 | 3400 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3401 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3402 | } |
3403 | ||
f676886a | 3404 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3405 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3406 | glyph drawn. */ | |
dc6f92b8 JB |
3407 | |
3408 | static void | |
f676886a JB |
3409 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3410 | struct frame *f; | |
dc6f92b8 | 3411 | int row, column; |
90e65f07 | 3412 | GLYPH glyph; |
dc6f92b8 JB |
3413 | int highlight; |
3414 | { | |
f676886a | 3415 | dumpglyphs (f, |
12ba150f JB |
3416 | CHAR_TO_PIXEL_COL (f, column), |
3417 | CHAR_TO_PIXEL_ROW (f, row), | |
07e34cb0 | 3418 | &glyph, 1, highlight); |
dc6f92b8 JB |
3419 | } |
3420 | ||
dc6f92b8 | 3421 | static void |
dbc4e1c1 | 3422 | x_display_bar_cursor (f, on) |
f676886a | 3423 | struct frame *f; |
dc6f92b8 JB |
3424 | int on; |
3425 | { | |
f676886a | 3426 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3427 | |
49d838ea JB |
3428 | /* This is pointless on invisible frames, and dangerous on garbaged |
3429 | frames; in the latter case, the frame may be in the midst of | |
3430 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3431 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
3432 | return; |
3433 | ||
3434 | if (! on && f->phys_cursor_x < 0) | |
3435 | return; | |
3436 | ||
f676886a | 3437 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3438 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3439 | if (f != updating_frame) |
1113d9db | 3440 | { |
f676886a JB |
3441 | curs_x = FRAME_CURSOR_X (f); |
3442 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3443 | } |
3444 | ||
dbc4e1c1 JB |
3445 | /* If there is anything wrong with the current cursor state, remove it. */ |
3446 | if (f->phys_cursor_x >= 0 | |
3447 | && (!on | |
3448 | || f->phys_cursor_x != curs_x | |
3449 | || f->phys_cursor_y != curs_y | |
3450 | || f->display.x->current_cursor != bar_cursor)) | |
3451 | { | |
3452 | /* Erase the cursor by redrawing the character underneath it. */ | |
3453 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3454 | f->phys_cursor_glyph, | |
3455 | current_glyphs->highlight[f->phys_cursor_y]); | |
3456 | f->phys_cursor_x = -1; | |
3457 | } | |
3458 | ||
3459 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3460 | if (on | |
3461 | && (f->phys_cursor_x < 0 | |
3462 | || (f->display.x->current_cursor != bar_cursor))) | |
3463 | { | |
3464 | f->phys_cursor_glyph | |
3465 | = ((current_glyphs->enable[curs_y] | |
3466 | && curs_x < current_glyphs->used[curs_y]) | |
3467 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3468 | : SPACEGLYPH); | |
3469 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3470 | f->display.x->cursor_gc, | |
3471 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3472 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3473 | 1, FONT_HEIGHT (f->display.x->font)); | |
3474 | ||
3475 | f->phys_cursor_x = curs_x; | |
3476 | f->phys_cursor_y = curs_y; | |
3477 | ||
3478 | f->display.x->current_cursor = bar_cursor; | |
3479 | } | |
3480 | ||
3481 | if (updating_frame != f) | |
3482 | XFlushQueue (); | |
3483 | } | |
3484 | ||
3485 | ||
3486 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3487 | If ON is nonzero, where to put the cursor is specified | |
3488 | by F->cursor_x and F->cursor_y. */ | |
3489 | ||
3490 | static void | |
3491 | x_display_box_cursor (f, on) | |
3492 | struct frame *f; | |
3493 | int on; | |
3494 | { | |
3495 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3496 | ||
49d838ea JB |
3497 | /* This is pointless on invisible frames, and dangerous on garbaged |
3498 | frames; in the latter case, the frame may be in the midst of | |
3499 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3500 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
3501 | return; |
3502 | ||
3503 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3504 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3505 | return; |
3506 | ||
dbc4e1c1 JB |
3507 | /* If we're not updating, then we want to use the current frame's |
3508 | cursor position, not our local idea of where the cursor ought to be. */ | |
3509 | if (f != updating_frame) | |
3510 | { | |
3511 | curs_x = FRAME_CURSOR_X (f); | |
3512 | curs_y = FRAME_CURSOR_Y (f); | |
3513 | } | |
3514 | ||
dc6f92b8 JB |
3515 | /* If cursor is currently being shown and we don't want it to be |
3516 | or it is in the wrong place, | |
3517 | or we want a hollow box and it's not so, (pout!) | |
3518 | erase it. */ | |
f676886a | 3519 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3520 | && (!on |
f676886a JB |
3521 | || f->phys_cursor_x != curs_x |
3522 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3523 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3524 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3525 | { |
3526 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3527 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3528 | f->phys_cursor_glyph, | |
3529 | current_glyphs->highlight[f->phys_cursor_y]); | |
3530 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3531 | } |
3532 | ||
3533 | /* If we want to show a cursor, | |
3534 | or we want a box cursor and it's not so, | |
3535 | write it in the right place. */ | |
3536 | if (on | |
f676886a | 3537 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3538 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3539 | && f == x_highlight_frame))) |
dc6f92b8 | 3540 | { |
f676886a | 3541 | f->phys_cursor_glyph |
1113d9db JB |
3542 | = ((current_glyphs->enable[curs_y] |
3543 | && curs_x < current_glyphs->used[curs_y]) | |
3544 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3545 | : SPACEGLYPH); |
f676886a | 3546 | if (f != x_highlight_frame) |
dc6f92b8 | 3547 | { |
f676886a | 3548 | x_draw_box (f); |
dbc4e1c1 | 3549 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3550 | } |
3551 | else | |
3552 | { | |
f676886a JB |
3553 | x_draw_single_glyph (f, curs_y, curs_x, |
3554 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3555 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3556 | } |
3557 | ||
f676886a JB |
3558 | f->phys_cursor_x = curs_x; |
3559 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3560 | } |
3561 | ||
f676886a | 3562 | if (updating_frame != f) |
dc6f92b8 JB |
3563 | XFlushQueue (); |
3564 | } | |
3565 | ||
f676886a JB |
3566 | x_display_cursor (f, on) |
3567 | struct frame *f; | |
dc6f92b8 JB |
3568 | int on; |
3569 | { | |
dbc4e1c1 | 3570 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3571 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3572 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3573 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3574 | else |
3575 | /* Those are the only two we have implemented! */ | |
3576 | abort (); | |
dc6f92b8 JB |
3577 | } |
3578 | \f | |
3579 | /* Icons. */ | |
3580 | ||
f676886a | 3581 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3582 | when we get an expose event for it. */ |
3583 | ||
f676886a JB |
3584 | refreshicon (f) |
3585 | struct frame *f; | |
dc6f92b8 JB |
3586 | { |
3587 | #ifdef HAVE_X11 | |
3588 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3589 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3590 | int mask; |
3591 | ||
f676886a JB |
3592 | if (f->display.x->icon_bitmap_flag) |
3593 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3594 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3595 | icon_bitmap, GXcopy, AllPlanes); | |
3596 | else | |
3597 | { | |
f676886a | 3598 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3599 | struct Lisp_String *str; |
3600 | unsigned char *string; | |
3601 | ||
3602 | string | |
f676886a | 3603 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3604 | |
f676886a | 3605 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3606 | { |
f676886a JB |
3607 | f->display.x->icon_label = string; |
3608 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3609 | XQueryWidth (string, icon_font_info->id) + 10, |
3610 | icon_font_info->height + 10); | |
3611 | } | |
3612 | ||
f676886a | 3613 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3614 | str->size, icon_font_info->id, |
3615 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3616 | } | |
3617 | XFlushQueue (); | |
c118dd06 | 3618 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3619 | } |
3620 | ||
dbc4e1c1 | 3621 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
3622 | |
3623 | int | |
f676886a JB |
3624 | x_bitmap_icon (f) |
3625 | struct frame *f; | |
dc6f92b8 JB |
3626 | { |
3627 | int mask; | |
3628 | Window icon_window; | |
3629 | ||
c118dd06 | 3630 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3631 | return 1; |
3632 | ||
3633 | #ifdef HAVE_X11 | |
8583db58 RS |
3634 | if (! icon_bitmap) |
3635 | icon_bitmap = | |
3636 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), | |
3637 | gnu_bits, gnu_width, gnu_height); | |
f676886a JB |
3638 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3639 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3640 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3641 | if (f->display.x->icon_desc) |
dc6f92b8 | 3642 | { |
c118dd06 | 3643 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3644 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3645 | } |
3646 | ||
f676886a | 3647 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3648 | 0, 0, sink_width, sink_height, |
3649 | 2, WhitePixmap, (Pixmap) NULL); | |
3650 | ||
3651 | if (icon_window == 0) | |
3652 | return 1; | |
3653 | ||
c118dd06 | 3654 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3655 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3656 | ||
f676886a JB |
3657 | f->display.x->icon_desc = icon_window; |
3658 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3659 | |
3660 | if (icon_bitmap == 0) | |
3661 | icon_bitmap | |
3662 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3663 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3664 | |
3665 | return 0; | |
3666 | } | |
3667 | ||
3668 | ||
f676886a | 3669 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3670 | |
3671 | int | |
f676886a JB |
3672 | x_text_icon (f, icon_name) |
3673 | struct frame *f; | |
dc6f92b8 JB |
3674 | char *icon_name; |
3675 | { | |
3676 | #ifndef HAVE_X11 | |
3677 | int mask; | |
3678 | int width; | |
3679 | Window icon_window; | |
3680 | char *X_DefaultValue; | |
3681 | Bitmap b1; | |
3682 | ||
dc6f92b8 JB |
3683 | #ifndef WhitePixel |
3684 | #define WhitePixel 1 | |
c118dd06 | 3685 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3686 | |
3687 | #ifndef BlackPixel | |
3688 | #define BlackPixel 0 | |
c118dd06 JB |
3689 | #endif /* BlackPixel */ |
3690 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3691 | |
c118dd06 | 3692 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3693 | return 1; |
3694 | ||
dc6f92b8 JB |
3695 | #ifdef HAVE_X11 |
3696 | if (icon_name) | |
f676886a | 3697 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3698 | else |
f676886a JB |
3699 | if (! f->display.x->icon_label) |
3700 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3701 | |
dfeccd2d | 3702 | #if 0 |
c118dd06 | 3703 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3704 | (char *) f->display.x->icon_label); |
dfeccd2d | 3705 | #endif |
dc6f92b8 | 3706 | |
f676886a | 3707 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3708 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3709 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
3710 | if (icon_font_info == 0) |
3711 | icon_font_info | |
3712 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 3713 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
3714 | "BodyFont")); |
3715 | ||
f676886a | 3716 | if (f->display.x->icon_desc) |
dc6f92b8 | 3717 | { |
c118dd06 | 3718 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3719 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3720 | } |
3721 | ||
3722 | if (icon_name) | |
f676886a | 3723 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3724 | else |
f676886a JB |
3725 | if (! f->display.x->icon_label) |
3726 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3727 | |
f676886a JB |
3728 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3729 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3730 | f->display.x->left_pos, | |
3731 | f->display.x->top_pos, | |
dc6f92b8 JB |
3732 | width + 10, icon_font_info->height + 10, |
3733 | 2, BlackPixmap, WhitePixmap); | |
3734 | ||
3735 | if (icon_window == 0) | |
3736 | return 1; | |
3737 | ||
c118dd06 | 3738 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3739 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3740 | ||
f676886a JB |
3741 | f->display.x->icon_desc = icon_window; |
3742 | f->display.x->icon_bitmap_flag = 0; | |
3743 | f->display.x->icon_label = 0; | |
c118dd06 | 3744 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3745 | |
3746 | return 0; | |
3747 | } | |
3748 | \f | |
4746118a JB |
3749 | /* Handling X errors. */ |
3750 | ||
12ba150f JB |
3751 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3752 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3753 | |
4746118a | 3754 | static SIGTYPE |
c118dd06 | 3755 | x_connection_closed () |
4746118a JB |
3756 | { |
3757 | if (_Xdebug) | |
3758 | abort (); | |
12ba150f | 3759 | |
e08ad3fc | 3760 | shut_down_emacs (0, 1); |
12ba150f JB |
3761 | |
3762 | exit (70); | |
4746118a JB |
3763 | } |
3764 | ||
8922af5f JB |
3765 | /* An X error handler which prints an error message and then kills |
3766 | Emacs. This is what's normally installed as Xlib's handler for | |
3767 | protocol errors. */ | |
c118dd06 JB |
3768 | static int |
3769 | x_error_quitter (display, error) | |
3770 | Display *display; | |
3771 | XErrorEvent *error; | |
3772 | { | |
3773 | char buf[256]; | |
dc6f92b8 | 3774 | |
c118dd06 JB |
3775 | /* Note that there is no real way portable across R3/R4 to get the |
3776 | original error handler. */ | |
dc6f92b8 | 3777 | |
c118dd06 JB |
3778 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3779 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3780 | buf, error->request_code); | |
dc6f92b8 | 3781 | |
12ba150f JB |
3782 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3783 | get an X error, so we can figure out why it happened. */ | |
3784 | abort (); | |
3785 | ||
c118dd06 | 3786 | x_connection_closed (); |
dc6f92b8 JB |
3787 | } |
3788 | ||
8922af5f JB |
3789 | /* A handler for X IO errors which prints an error message and then |
3790 | kills Emacs. This is what is always installed as Xlib's handler | |
3791 | for I/O errors. */ | |
3792 | static int | |
3793 | x_io_error_quitter (display) | |
3794 | Display *display; | |
3795 | { | |
3796 | fprintf (stderr, "Connection to X server %s lost.\n", | |
3797 | XDisplayName (DisplayString (display))); | |
3798 | ||
3799 | /* While we're testing Emacs 19, we'll just dump core whenever we | |
3800 | get an X error, so we can figure out why it happened. */ | |
3801 | abort (); | |
3802 | ||
3803 | x_connection_closed (); | |
3804 | } | |
3805 | ||
c118dd06 JB |
3806 | /* A buffer for storing X error messages. */ |
3807 | static char (*x_caught_error_message)[200]; | |
3808 | ||
3809 | /* An X error handler which stores the error message in | |
3810 | x_caught_error_message. This is what's installed when | |
3811 | x_catch_errors is in effect. */ | |
3812 | static int | |
3813 | x_error_catcher (display, error) | |
3814 | Display *display; | |
3815 | XErrorEvent *error; | |
3816 | { | |
3817 | XGetErrorText (display, error->error_code, | |
3818 | *x_caught_error_message, sizeof (*x_caught_error_message)); | |
3819 | } | |
3820 | ||
3821 | ||
3822 | /* Begin trapping X errors. | |
dc6f92b8 | 3823 | |
c118dd06 JB |
3824 | After calling this function, X protocol errors no longer cause |
3825 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3826 | |
c118dd06 JB |
3827 | Calling x_check_errors signals an Emacs error if an X error has |
3828 | occurred since the last call to x_catch_errors or x_check_errors. | |
3829 | ||
3830 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3831 | ||
3832 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3833 | ||
3834 | void | |
3835 | x_catch_errors () | |
dc6f92b8 | 3836 | { |
c118dd06 JB |
3837 | /* Make sure any errors from previous requests have been dealt with. */ |
3838 | XSync (x_current_display, False); | |
dc6f92b8 | 3839 | |
c118dd06 JB |
3840 | /* Set up the error buffer. */ |
3841 | x_caught_error_message = | |
3842 | (char (*)[]) xmalloc (sizeof (*x_caught_error_message)); | |
d872b748 | 3843 | (*x_caught_error_message)[0] = '\0'; |
16bd92ea | 3844 | |
c118dd06 JB |
3845 | /* Install our little error handler. */ |
3846 | XHandleError (x_error_catcher); | |
3847 | } | |
16bd92ea | 3848 | |
c118dd06 JB |
3849 | /* If any X protocol errors have arrived since the last call to |
3850 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3851 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3852 | void | |
3853 | x_check_errors (format) | |
3854 | char *format; | |
3855 | { | |
3856 | /* Make sure to catch any errors incurred so far. */ | |
3857 | XSync (x_current_display, False); | |
16bd92ea | 3858 | |
c118dd06 JB |
3859 | if ((*x_caught_error_message)[0]) |
3860 | { | |
3861 | char buf[256]; | |
3862 | ||
3863 | sprintf (buf, format, *x_caught_error_message); | |
9ac0d9e0 | 3864 | xfree (x_caught_error_message); |
dc6f92b8 | 3865 | |
c118dd06 JB |
3866 | x_uncatch_errors (); |
3867 | error (buf); | |
3868 | } | |
3869 | } | |
3870 | ||
3871 | void | |
3872 | x_uncatch_errors () | |
3873 | { | |
9ac0d9e0 | 3874 | xfree (x_caught_error_message); |
c118dd06 | 3875 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
3876 | } |
3877 | ||
dc6f92b8 JB |
3878 | #if 0 |
3879 | static unsigned int x_wire_count; | |
3880 | x_trace_wire () | |
3881 | { | |
3882 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3883 | } | |
c118dd06 | 3884 | #endif /* ! 0 */ |
dc6f92b8 JB |
3885 | |
3886 | \f | |
f451eb13 JB |
3887 | /* Changing the font of the frame. */ |
3888 | ||
f676886a | 3889 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3890 | to the font named NEWNAME. This is safe to use |
f676886a | 3891 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3892 | |
3893 | #ifdef HAVE_X11 | |
3894 | ||
3895 | /* A table of all the fonts we have already loaded. */ | |
3896 | static XFontStruct **x_font_table; | |
3897 | ||
3898 | /* The current capacity of x_font_table. */ | |
3899 | static int x_font_table_size; | |
3900 | ||
3901 | /* The number of fonts actually stored in x_font_table. | |
3902 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3903 | 0 <= n_fonts <= x_font_table_size. */ | |
3904 | static int n_fonts; | |
3905 | ||
b5cf7a0e | 3906 | Lisp_Object |
f676886a JB |
3907 | x_new_font (f, fontname) |
3908 | struct frame *f; | |
dc6f92b8 JB |
3909 | register char *fontname; |
3910 | { | |
dc6f92b8 JB |
3911 | int already_loaded; |
3912 | int n_matching_fonts; | |
3913 | XFontStruct *font_info; | |
3914 | char **font_names; | |
3915 | ||
3916 | /* Get a list of all the fonts that match this name. Once we | |
3917 | have a list of matching fonts, we compare them against the fonts | |
3918 | we already have by comparing font ids. */ | |
3919 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3920 | 1024, &n_matching_fonts, | |
3921 | &font_info); | |
9696f58b | 3922 | |
dc6f92b8 JB |
3923 | /* If the server couldn't find any fonts whose named matched fontname, |
3924 | return an error code. */ | |
3925 | if (n_matching_fonts == 0) | |
b5cf7a0e | 3926 | return Qnil; |
dc6f92b8 | 3927 | |
90e65f07 | 3928 | /* See if we've already loaded a matching font. */ |
dc6f92b8 JB |
3929 | { |
3930 | int i, j; | |
3931 | ||
3932 | already_loaded = 0; | |
3933 | for (i = 0; i < n_fonts; i++) | |
3934 | for (j = 0; j < n_matching_fonts; j++) | |
3935 | if (x_font_table[i]->fid == font_info[j].fid) | |
3936 | { | |
3937 | already_loaded = i; | |
b5cf7a0e | 3938 | fontname = font_names[j]; |
dc6f92b8 JB |
3939 | goto found_font; |
3940 | } | |
3941 | } | |
3942 | found_font: | |
3943 | ||
3944 | /* If we have, just return it from the table. */ | |
3945 | if (already_loaded) | |
f676886a | 3946 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3947 | |
dc6f92b8 JB |
3948 | /* Otherwise, load the font and add it to the table. */ |
3949 | else | |
3950 | { | |
9696f58b | 3951 | int i; |
dc6f92b8 JB |
3952 | XFontStruct *font; |
3953 | ||
9696f58b | 3954 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
3955 | #if 0 |
3956 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
3957 | for (i = 0; i < n_matching_fonts; i++) |
3958 | if (! font_info[i].per_char) | |
3959 | break; | |
f126bd67 JB |
3960 | #else |
3961 | i = 0; | |
3962 | #endif | |
9696f58b JB |
3963 | |
3964 | if (i >= n_matching_fonts) | |
b5cf7a0e | 3965 | return Qt; |
9696f58b JB |
3966 | else |
3967 | fontname = font_names[i]; | |
3968 | ||
dc6f92b8 JB |
3969 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
3970 | if (! font) | |
b5cf7a0e | 3971 | return Qnil; |
dc6f92b8 JB |
3972 | |
3973 | /* Do we need to create the table? */ | |
3974 | if (x_font_table_size == 0) | |
3975 | { | |
3976 | x_font_table_size = 16; | |
3977 | x_font_table | |
3978 | = (XFontStruct **) xmalloc (x_font_table_size | |
3979 | * sizeof (x_font_table[0])); | |
3980 | } | |
3981 | /* Do we need to grow the table? */ | |
3982 | else if (n_fonts >= x_font_table_size) | |
3983 | { | |
90e65f07 | 3984 | x_font_table_size *= 2; |
dc6f92b8 JB |
3985 | x_font_table |
3986 | = (XFontStruct **) xrealloc (x_font_table, | |
3987 | (x_font_table_size | |
3988 | * sizeof (x_font_table[0]))); | |
3989 | } | |
3990 | ||
f676886a | 3991 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
3992 | } |
3993 | ||
f676886a | 3994 | /* Now make the frame display the given font. */ |
c118dd06 | 3995 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 3996 | { |
f676886a JB |
3997 | XSetFont (x_current_display, f->display.x->normal_gc, |
3998 | f->display.x->font->fid); | |
3999 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
4000 | f->display.x->font->fid); | |
4001 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
4002 | f->display.x->font->fid); | |
4003 | ||
4004 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
4005 | } |
4006 | ||
b5cf7a0e JB |
4007 | { |
4008 | Lisp_Object lispy_name = build_string (fontname); | |
4009 | ||
4010 | ||
4011 | /* Free the information from XListFontsWithInfo. The data | |
4012 | we actually retain comes from XLoadQueryFont. */ | |
4013 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
4014 | ||
4015 | return lispy_name; | |
4016 | } | |
dc6f92b8 | 4017 | } |
c118dd06 | 4018 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
4019 | x_new_font (f, newname) |
4020 | struct frame *f; | |
dc6f92b8 JB |
4021 | register char *newname; |
4022 | { | |
4023 | FONT_TYPE *temp; | |
4024 | int mask; | |
4025 | ||
4026 | temp = XGetFont (newname); | |
4027 | if (temp == (FONT_TYPE *) 0) | |
4028 | return 1; | |
4029 | ||
f676886a JB |
4030 | if (f->display.x->font) |
4031 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 4032 | |
f676886a | 4033 | f->display.x->font = temp; |
dc6f92b8 | 4034 | |
c118dd06 | 4035 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 4036 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
4037 | |
4038 | return 0; | |
4039 | } | |
c118dd06 | 4040 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4041 | \f |
f451eb13 JB |
4042 | /* X Window sizes and positions. */ |
4043 | ||
f676886a JB |
4044 | x_calc_absolute_position (f) |
4045 | struct frame *f; | |
dc6f92b8 JB |
4046 | { |
4047 | #ifdef HAVE_X11 | |
f676886a JB |
4048 | if (f->display.x->left_pos < 0) |
4049 | f->display.x->left_pos | |
7c5283e4 | 4050 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 4051 | |
f676886a JB |
4052 | if (f->display.x->top_pos < 0) |
4053 | f->display.x->top_pos | |
7c5283e4 | 4054 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 4055 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4056 | WINDOWINFO_TYPE parentinfo; |
4057 | ||
c118dd06 | 4058 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 4059 | |
f676886a JB |
4060 | if (f->display.x->left_pos < 0) |
4061 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
4062 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 4063 | |
f676886a JB |
4064 | if (f->display.x->top_pos < 0) |
4065 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
4066 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 4067 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4068 | } |
4069 | ||
f676886a JB |
4070 | x_set_offset (f, xoff, yoff) |
4071 | struct frame *f; | |
dc6f92b8 JB |
4072 | register int xoff, yoff; |
4073 | { | |
f676886a JB |
4074 | f->display.x->top_pos = yoff; |
4075 | f->display.x->left_pos = xoff; | |
4076 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
4077 | |
4078 | BLOCK_INPUT; | |
c118dd06 | 4079 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 4080 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 4081 | #ifdef HAVE_X11 |
f676886a | 4082 | x_wm_set_size_hint (f, 0); |
c118dd06 | 4083 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4084 | UNBLOCK_INPUT; |
4085 | } | |
4086 | ||
f676886a | 4087 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 4088 | |
f676886a JB |
4089 | x_set_window_size (f, cols, rows) |
4090 | struct frame *f; | |
b1c884c3 | 4091 | int cols, rows; |
dc6f92b8 JB |
4092 | { |
4093 | int pixelwidth, pixelheight; | |
4094 | int mask; | |
dc6f92b8 JB |
4095 | |
4096 | BLOCK_INPUT; | |
4097 | ||
b1c884c3 | 4098 | check_frame_size (f, &rows, &cols); |
ab648270 JB |
4099 | f->display.x->vertical_scroll_bar_extra = |
4100 | (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
4101 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
f451eb13 JB |
4102 | : 0); |
4103 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
4104 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
4105 | |
4106 | #ifdef HAVE_X11 | |
f676886a | 4107 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
4108 | #endif /* ! defined (HAVE_X11) */ |
4109 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
4110 | |
4111 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4112 | but the window manager will get around to dealing with the size | |
4113 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4114 | ConfigureNotify event gets here. |
4115 | ||
4116 | We could just not bother storing any of this information here, | |
4117 | and let the ConfigureNotify event set everything up, but that | |
4118 | might be kind of confusing to the lisp code, since size changes | |
4119 | wouldn't be reported in the frame parameters until some random | |
4120 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4121 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4122 | PIXEL_WIDTH (f) = pixelwidth; |
4123 | PIXEL_HEIGHT (f) = pixelheight; | |
4124 | ||
dbc4e1c1 JB |
4125 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4126 | receive in the ConfigureNotify event; if we get what we asked | |
4127 | for, then the event won't cause the screen to become garbaged, so | |
4128 | we have to make sure to do it here. */ | |
4129 | SET_FRAME_GARBAGED (f); | |
4130 | ||
dc6f92b8 JB |
4131 | XFlushQueue (); |
4132 | UNBLOCK_INPUT; | |
4133 | } | |
4134 | ||
4135 | #ifndef HAVE_X11 | |
f676886a JB |
4136 | x_set_resize_hint (f) |
4137 | struct frame *f; | |
dc6f92b8 | 4138 | { |
12ba150f JB |
4139 | XSetResizeHint (FRAME_X_WINDOW (f), |
4140 | 2 * f->display.x->internal_border_width, | |
f676886a | 4141 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
4142 | FONT_WIDTH (f->display.x->font), |
4143 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 4144 | } |
c118dd06 | 4145 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4146 | \f |
f451eb13 | 4147 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4148 | |
f676886a JB |
4149 | x_set_mouse_position (f, x, y) |
4150 | struct frame *f; | |
dc6f92b8 JB |
4151 | int x, y; |
4152 | { | |
4153 | int pix_x, pix_y; | |
4154 | ||
f676886a | 4155 | x_raise_frame (f); |
dc6f92b8 | 4156 | |
12ba150f JB |
4157 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
4158 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
4159 | |
4160 | if (pix_x < 0) pix_x = 0; | |
4161 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4162 | ||
4163 | if (pix_y < 0) pix_y = 0; | |
4164 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4165 | |
4166 | BLOCK_INPUT; | |
dc6f92b8 | 4167 | |
c118dd06 | 4168 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
4169 | UNBLOCK_INPUT; |
4170 | } | |
4171 | ||
4172 | #ifdef HAVE_X11 | |
f676886a JB |
4173 | x_focus_on_frame (f) |
4174 | struct frame *f; | |
dc6f92b8 | 4175 | { |
f676886a | 4176 | x_raise_frame (f); |
6d4238f3 JB |
4177 | #if 0 |
4178 | /* I don't think that the ICCCM allows programs to do things like this | |
4179 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4180 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 4181 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 4182 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4183 | #endif /* ! 0 */ |
dc6f92b8 JB |
4184 | } |
4185 | ||
f676886a JB |
4186 | x_unfocus_frame (f) |
4187 | struct frame *f; | |
dc6f92b8 | 4188 | { |
6d4238f3 | 4189 | #if 0 |
f676886a JB |
4190 | /* Look at the remarks in x_focus_on_frame. */ |
4191 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4192 | XSetInputFocus (x_current_display, PointerRoot, |
4193 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4194 | #endif /* ! 0 */ |
dc6f92b8 JB |
4195 | } |
4196 | ||
c118dd06 | 4197 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4198 | |
f676886a | 4199 | /* Raise frame F. */ |
dc6f92b8 | 4200 | |
f676886a JB |
4201 | x_raise_frame (f) |
4202 | struct frame *f; | |
dc6f92b8 | 4203 | { |
3a88c238 | 4204 | if (f->async_visible) |
dc6f92b8 JB |
4205 | { |
4206 | BLOCK_INPUT; | |
c118dd06 | 4207 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4208 | XFlushQueue (); |
4209 | UNBLOCK_INPUT; | |
4210 | } | |
4211 | } | |
4212 | ||
f676886a | 4213 | /* Lower frame F. */ |
dc6f92b8 | 4214 | |
f676886a JB |
4215 | x_lower_frame (f) |
4216 | struct frame *f; | |
dc6f92b8 | 4217 | { |
3a88c238 | 4218 | if (f->async_visible) |
dc6f92b8 JB |
4219 | { |
4220 | BLOCK_INPUT; | |
c118dd06 | 4221 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4222 | XFlushQueue (); |
4223 | UNBLOCK_INPUT; | |
4224 | } | |
4225 | } | |
4226 | ||
dbc4e1c1 JB |
4227 | static void |
4228 | XTframe_raise_lower (f, raise) | |
4229 | FRAME_PTR f; | |
4230 | int raise; | |
4231 | { | |
4232 | if (raise) | |
4233 | x_raise_frame (f); | |
4234 | else | |
4235 | x_lower_frame (f); | |
4236 | } | |
4237 | ||
4238 | ||
dc6f92b8 JB |
4239 | /* Change from withdrawn state to mapped state. */ |
4240 | ||
f676886a JB |
4241 | x_make_frame_visible (f) |
4242 | struct frame *f; | |
dc6f92b8 JB |
4243 | { |
4244 | int mask; | |
4245 | ||
dc6f92b8 | 4246 | BLOCK_INPUT; |
dc6f92b8 | 4247 | |
f676886a | 4248 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
4249 | { |
4250 | #ifdef HAVE_X11 | |
4251 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4252 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 4253 | |
c118dd06 | 4254 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
ab648270 | 4255 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
4256 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4257 | #else /* ! defined (HAVE_X11) */ | |
4258 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4259 | if (f->display.x->icon_desc != 0) |
4260 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4261 | |
90e65f07 | 4262 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4263 | f->async_visible = 1; |
4264 | f->async_iconified = 0; | |
dc6f92b8 | 4265 | |
f676886a | 4266 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4267 | XTcursor_to (0, 0); |
c118dd06 | 4268 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4269 | } |
dc6f92b8 | 4270 | |
dc6f92b8 | 4271 | XFlushQueue (); |
90e65f07 | 4272 | |
dc6f92b8 JB |
4273 | UNBLOCK_INPUT; |
4274 | } | |
4275 | ||
4276 | /* Change from mapped state to withdrawn state. */ | |
4277 | ||
f676886a JB |
4278 | x_make_frame_invisible (f) |
4279 | struct frame *f; | |
dc6f92b8 JB |
4280 | { |
4281 | int mask; | |
4282 | ||
3a88c238 | 4283 | if (! f->async_visible) |
dc6f92b8 JB |
4284 | return; |
4285 | ||
4286 | BLOCK_INPUT; | |
c118dd06 JB |
4287 | |
4288 | #ifdef HAVE_X11R4 | |
4289 | ||
4290 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
4291 | DefaultScreen (x_current_display))) | |
4292 | { | |
4293 | UNBLOCK_INPUT_RESIGNAL; | |
4294 | error ("can't notify window manager of window withdrawl"); | |
4295 | } | |
4296 | ||
4297 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4298 | #ifdef HAVE_X11 |
16bd92ea | 4299 | |
c118dd06 | 4300 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4301 | if (! EQ (Vx_no_window_manager, Qt)) |
4302 | { | |
16bd92ea | 4303 | XEvent unmap; |
dc6f92b8 | 4304 | |
16bd92ea | 4305 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 4306 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4307 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4308 | unmap.xunmap.from_configure = False; | |
4309 | if (! XSendEvent (x_current_display, | |
4310 | DefaultRootWindow (x_current_display), | |
4311 | False, | |
4312 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4313 | &unmap)) | |
4314 | { | |
4315 | UNBLOCK_INPUT_RESIGNAL; | |
4316 | error ("can't notify window manager of withdrawal"); | |
4317 | } | |
dc6f92b8 JB |
4318 | } |
4319 | ||
16bd92ea | 4320 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
4321 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
4322 | ||
4323 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 4324 | |
c118dd06 | 4325 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4326 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4327 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4328 | XUnmapWindow (f->display.x->icon_desc); |
4329 | ||
4330 | #endif /* ! defined (HAVE_X11) */ | |
4331 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4332 | |
4333 | XFlushQueue (); | |
4334 | UNBLOCK_INPUT; | |
4335 | } | |
4336 | ||
dc6f92b8 JB |
4337 | /* Change window state from mapped to iconified. */ |
4338 | ||
f676886a JB |
4339 | x_iconify_frame (f) |
4340 | struct frame *f; | |
dc6f92b8 JB |
4341 | { |
4342 | int mask; | |
4343 | ||
3a88c238 | 4344 | if (f->async_iconified) |
dc6f92b8 JB |
4345 | return; |
4346 | ||
4347 | BLOCK_INPUT; | |
4348 | ||
4349 | #ifdef HAVE_X11 | |
16bd92ea JB |
4350 | /* Since we don't know which revision of X we're running, we'll use both |
4351 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4352 | ||
4353 | /* X11R4: send a ClientMessage to the window manager using the | |
4354 | WM_CHANGE_STATE type. */ | |
4355 | { | |
4356 | XEvent message; | |
4357 | ||
c118dd06 | 4358 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4359 | message.xclient.type = ClientMessage; |
4360 | message.xclient.message_type = Xatom_wm_change_state; | |
4361 | message.xclient.format = 32; | |
4362 | message.xclient.data.l[0] = IconicState; | |
4363 | ||
4364 | if (! XSendEvent (x_current_display, | |
4365 | DefaultRootWindow (x_current_display), | |
4366 | False, | |
4367 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4368 | &message)) | |
dc6f92b8 JB |
4369 | { |
4370 | UNBLOCK_INPUT_RESIGNAL; | |
4371 | error ("Can't notify window manager of iconification."); | |
4372 | } | |
16bd92ea | 4373 | } |
dc6f92b8 | 4374 | |
16bd92ea JB |
4375 | /* X11R3: set the initial_state field of the window manager hints to |
4376 | IconicState. */ | |
4377 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4378 | |
3a88c238 | 4379 | f->async_iconified = 1; |
c118dd06 JB |
4380 | #else /* ! defined (HAVE_X11) */ |
4381 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4382 | |
3a88c238 | 4383 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4384 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4385 | { |
f676886a JB |
4386 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4387 | refreshicon (f); | |
dc6f92b8 | 4388 | } |
c118dd06 | 4389 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4390 | |
4391 | XFlushQueue (); | |
4392 | UNBLOCK_INPUT; | |
4393 | } | |
4394 | ||
c0ff3fab | 4395 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4396 | |
c0ff3fab | 4397 | x_destroy_window (f) |
f676886a | 4398 | struct frame *f; |
dc6f92b8 | 4399 | { |
dc6f92b8 | 4400 | BLOCK_INPUT; |
c0ff3fab JB |
4401 | |
4402 | if (f->display.x->icon_desc != 0) | |
4403 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4404 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
07e34cb0 | 4405 | free_frame_faces (f); |
dc6f92b8 | 4406 | XFlushQueue (); |
dc6f92b8 | 4407 | |
9ac0d9e0 | 4408 | xfree (f->display.x); |
c0ff3fab | 4409 | f->display.x = 0; |
f676886a JB |
4410 | if (f == x_focus_frame) |
4411 | x_focus_frame = 0; | |
4412 | if (f == x_highlight_frame) | |
4413 | x_highlight_frame = 0; | |
c0ff3fab JB |
4414 | |
4415 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4416 | } |
4417 | \f | |
f451eb13 JB |
4418 | /* Manage event queues for X10. */ |
4419 | ||
dc6f92b8 JB |
4420 | #ifndef HAVE_X11 |
4421 | ||
4422 | /* Manage event queues. | |
4423 | ||
4424 | This code is only used by the X10 support. | |
4425 | ||
4426 | We cannot leave events in the X queue and get them when we are ready | |
4427 | because X does not provide a subroutine to get only a certain kind | |
4428 | of event but not block if there are no queued events of that kind. | |
4429 | ||
4430 | Therefore, we must examine events as they come in and copy events | |
4431 | of certain kinds into our private queues. | |
4432 | ||
4433 | All ExposeRegion events are put in x_expose_queue. | |
4434 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4435 | ||
4436 | ||
4437 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4438 | If the queue is full, do nothing, but return nonzero. */ | |
4439 | ||
4440 | int | |
4441 | enqueue_event (p_xrep, queue) | |
4442 | register XEvent *p_xrep; | |
4443 | register struct event_queue *queue; | |
4444 | { | |
4445 | int newindex = queue->windex + 1; | |
4446 | if (newindex == EVENT_BUFFER_SIZE) | |
4447 | newindex = 0; | |
4448 | if (newindex == queue->rindex) | |
4449 | return -1; | |
4450 | queue->xrep[queue->windex] = *p_xrep; | |
4451 | queue->windex = newindex; | |
4452 | return 0; | |
4453 | } | |
4454 | ||
4455 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4456 | If *QUEUE is empty, do nothing and return 0. */ | |
4457 | ||
4458 | int | |
4459 | dequeue_event (p_xrep, queue) | |
4460 | register XEvent *p_xrep; | |
4461 | register struct event_queue *queue; | |
4462 | { | |
4463 | if (queue->windex == queue->rindex) | |
4464 | return 0; | |
4465 | *p_xrep = queue->xrep[queue->rindex++]; | |
4466 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4467 | queue->rindex = 0; | |
4468 | return 1; | |
4469 | } | |
4470 | ||
4471 | /* Return the number of events buffered in *QUEUE. */ | |
4472 | ||
4473 | int | |
4474 | queue_event_count (queue) | |
4475 | register struct event_queue *queue; | |
4476 | { | |
4477 | int tem = queue->windex - queue->rindex; | |
4478 | if (tem >= 0) | |
4479 | return tem; | |
4480 | return EVENT_BUFFER_SIZE + tem; | |
4481 | } | |
4482 | ||
4483 | /* Return nonzero if mouse input is pending. */ | |
4484 | ||
4485 | int | |
4486 | mouse_event_pending_p () | |
4487 | { | |
4488 | return queue_event_count (&x_mouse_queue); | |
4489 | } | |
c118dd06 | 4490 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4491 | \f |
f451eb13 JB |
4492 | /* Setting window manager hints. */ |
4493 | ||
dc6f92b8 JB |
4494 | #ifdef HAVE_X11 |
4495 | ||
f676886a JB |
4496 | x_wm_set_size_hint (f, prompting) |
4497 | struct frame *f; | |
dc6f92b8 JB |
4498 | long prompting; |
4499 | { | |
4500 | XSizeHints size_hints; | |
c118dd06 | 4501 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4502 | |
f7f79491 | 4503 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; |
dc6f92b8 | 4504 | |
f676886a JB |
4505 | flexlines = f->height; |
4506 | ||
4507 | size_hints.x = f->display.x->left_pos; | |
4508 | size_hints.y = f->display.x->top_pos; | |
4509 | size_hints.height = PIXEL_HEIGHT (f); | |
4510 | size_hints.width = PIXEL_WIDTH (f); | |
4511 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4512 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
f7f79491 | 4513 | #if 0 |
12ba150f JB |
4514 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4515 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f7f79491 | 4516 | #endif |
b1c884c3 | 4517 | { |
b0342f17 JB |
4518 | int base_width, base_height; |
4519 | ||
f451eb13 JB |
4520 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4521 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4522 | |
4523 | { | |
4524 | int min_rows = 0, min_cols = 0; | |
4525 | check_frame_size (f, &min_rows, &min_cols); | |
4526 | ||
4527 | /* The window manager uses the base width hints to calculate the | |
4528 | current number of rows and columns in the frame while | |
4529 | resizing; min_width and min_height aren't useful for this | |
4530 | purpose, since they might not give the dimensions for a | |
4531 | zero-row, zero-column frame. | |
4532 | ||
4533 | We use the base_width and base_height members if we have | |
4534 | them; otherwise, we set the min_width and min_height members | |
4535 | to the size for a zero x zero frame. */ | |
4536 | ||
4537 | #ifdef HAVE_X11R4 | |
4538 | size_hints.flags |= PBaseSize; | |
4539 | size_hints.base_width = base_width; | |
4540 | size_hints.base_height = base_height; | |
4541 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4542 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4543 | #else | |
4544 | size_hints.min_width = base_width; | |
4545 | size_hints.min_height = base_height; | |
4546 | #endif | |
4547 | } | |
b1c884c3 | 4548 | |
b1c884c3 | 4549 | } |
dc6f92b8 JB |
4550 | |
4551 | if (prompting) | |
4552 | size_hints.flags |= prompting; | |
4553 | else | |
4554 | { | |
4555 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4556 | ||
4557 | XGetNormalHints (x_current_display, window, &hints); | |
4558 | if (hints.flags & PSize) | |
4559 | size_hints.flags |= PSize; | |
4560 | if (hints.flags & PPosition) | |
4561 | size_hints.flags |= PPosition; | |
4562 | if (hints.flags & USPosition) | |
4563 | size_hints.flags |= USPosition; | |
4564 | if (hints.flags & USSize) | |
4565 | size_hints.flags |= USSize; | |
4566 | } | |
16bd92ea | 4567 | |
b0342f17 JB |
4568 | #ifdef HAVE_X11R4 |
4569 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4570 | #else | |
dc6f92b8 | 4571 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4572 | #endif |
dc6f92b8 JB |
4573 | } |
4574 | ||
4575 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4576 | x_wm_set_window_state (f, state) |
4577 | struct frame *f; | |
dc6f92b8 JB |
4578 | int state; |
4579 | { | |
c118dd06 | 4580 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4581 | |
16bd92ea JB |
4582 | f->display.x->wm_hints.flags |= StateHint; |
4583 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4584 | |
16bd92ea | 4585 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4586 | } |
4587 | ||
f676886a JB |
4588 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4589 | struct frame *f; | |
dc6f92b8 JB |
4590 | Pixmap icon_pixmap; |
4591 | { | |
c118dd06 | 4592 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4593 | |
dbc4e1c1 JB |
4594 | if (icon_pixmap) |
4595 | { | |
4596 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
4597 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
4598 | } | |
4599 | else | |
4600 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 4601 | |
16bd92ea | 4602 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4603 | } |
4604 | ||
f676886a JB |
4605 | x_wm_set_icon_position (f, icon_x, icon_y) |
4606 | struct frame *f; | |
dc6f92b8 JB |
4607 | int icon_x, icon_y; |
4608 | { | |
c118dd06 | 4609 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4610 | |
16bd92ea JB |
4611 | f->display.x->wm_hints.flags |= IconPositionHint; |
4612 | f->display.x->wm_hints.icon_x = icon_x; | |
4613 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4614 | |
16bd92ea | 4615 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4616 | } |
4617 | ||
4618 | \f | |
f451eb13 JB |
4619 | /* Initialization. */ |
4620 | ||
dc6f92b8 JB |
4621 | void |
4622 | x_term_init (display_name) | |
4623 | char *display_name; | |
4624 | { | |
f676886a | 4625 | Lisp_Object frame; |
dc6f92b8 JB |
4626 | char *defaultvalue; |
4627 | #ifdef F_SETOWN | |
4628 | extern int old_fcntl_owner; | |
c118dd06 | 4629 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4630 | |
f676886a | 4631 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4632 | |
4633 | x_current_display = XOpenDisplay (display_name); | |
4634 | if (x_current_display == 0) | |
4635 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4636 | display_name); | |
4637 | ||
4638 | #ifdef HAVE_X11 | |
4639 | { | |
16bd92ea | 4640 | int hostname_size = 256; |
60fb3ee1 JB |
4641 | |
4642 | hostname = (char *) xmalloc (hostname_size); | |
4643 | ||
dc6f92b8 JB |
4644 | #if 0 |
4645 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4646 | #endif /* ! 0 */ |
dc6f92b8 | 4647 | |
60fb3ee1 JB |
4648 | /* Try to get the host name; if the buffer is too short, try |
4649 | again. Apparently, the only indication gethostname gives of | |
4650 | whether the buffer was large enough is the presence or absence | |
4651 | of a '\0' in the string. Eech. */ | |
4652 | for (;;) | |
4653 | { | |
4654 | gethostname (hostname, hostname_size - 1); | |
4655 | hostname[hostname_size - 1] = '\0'; | |
4656 | ||
4657 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4658 | if (strlen (hostname) < hostname_size - 1) | |
4659 | break; | |
4660 | ||
4661 | hostname_size <<= 1; | |
4662 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4663 | } | |
59653951 | 4664 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
4665 | + strlen (hostname) |
4666 | + 2); | |
59653951 | 4667 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 4668 | } |
28430d3c JB |
4669 | |
4670 | /* Figure out which modifier bits mean what. */ | |
4671 | x_find_modifier_meanings (); | |
f451eb13 | 4672 | |
ab648270 | 4673 | /* Get the scroll bar cursor. */ |
d56a553a RS |
4674 | x_vertical_scroll_bar_cursor |
4675 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 4676 | |
d56a553a | 4677 | #if 0 |
28430d3c JB |
4678 | /* Watch for PropertyNotify events on the root window; we use them |
4679 | to figure out when to invalidate our cache of the cut buffers. */ | |
4680 | x_watch_cut_buffer_cache (); | |
d56a553a | 4681 | #endif |
28430d3c | 4682 | |
a4fc7360 JB |
4683 | if (ConnectionNumber (x_current_display) != 0) |
4684 | { | |
4685 | dup2 (ConnectionNumber (x_current_display), 0); | |
6d4238f3 JB |
4686 | |
4687 | #ifndef SYSV_STREAMS | |
a4fc7360 JB |
4688 | /* Streams somehow keeps track of which descriptor number |
4689 | is being used to talk to X. So it is not safe to substitute | |
4690 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
4691 | close (ConnectionNumber (x_current_display)); | |
4692 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? | |
6d4238f3 JB |
4693 | * check the def of the macro; |
4694 | * it is a genuine lvalue */ | |
c118dd06 | 4695 | #endif /* SYSV_STREAMS */ |
a4fc7360 | 4696 | } |
6d4238f3 | 4697 | |
c118dd06 | 4698 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4699 | |
4700 | #ifdef F_SETOWN | |
4701 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4702 | #ifdef F_SETOWN_SOCK_NEG | |
4703 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4704 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4705 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4706 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4707 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4708 | |
4709 | #ifdef SIGIO | |
4710 | init_sigio (); | |
c118dd06 | 4711 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4712 | |
4713 | /* Must use interrupt input because we cannot otherwise | |
4714 | arrange for C-g to be noticed immediately. | |
4715 | We cannot connect it to SIGINT. */ | |
4716 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4717 | ||
4718 | expose_all_windows = 0; | |
4719 | ||
f676886a | 4720 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4721 | clear_end_of_line_hook = XTclear_end_of_line; |
4722 | ins_del_lines_hook = XTins_del_lines; | |
4723 | change_line_highlight_hook = XTchange_line_highlight; | |
4724 | insert_glyphs_hook = XTinsert_glyphs; | |
4725 | write_glyphs_hook = XTwrite_glyphs; | |
4726 | delete_glyphs_hook = XTdelete_glyphs; | |
4727 | ring_bell_hook = XTring_bell; | |
4728 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4729 | set_terminal_modes_hook = XTset_terminal_modes; | |
4730 | update_begin_hook = XTupdate_begin; | |
4731 | update_end_hook = XTupdate_end; | |
4732 | set_terminal_window_hook = XTset_terminal_window; | |
4733 | read_socket_hook = XTread_socket; | |
4734 | cursor_to_hook = XTcursor_to; | |
4735 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4736 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4737 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 4738 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
4739 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
4740 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
4741 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
4742 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 4743 | |
f676886a | 4744 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4745 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4746 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4747 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4748 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4749 | off the bottom */ |
4750 | baud_rate = 19200; | |
4751 | ||
c118dd06 JB |
4752 | /* Note that there is no real way portable across R3/R4 to get the |
4753 | original error handler. */ | |
4754 | XHandleError (x_error_quitter); | |
8922af5f | 4755 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
4756 | |
4757 | /* Disable Window Change signals; they are handled by X events. */ | |
4758 | #ifdef SIGWINCH | |
4759 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4760 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4761 | |
c118dd06 | 4762 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4763 | } |
55123275 JB |
4764 | |
4765 | void | |
4766 | syms_of_xterm () | |
4767 | { | |
ab648270 | 4768 | staticpro (&last_mouse_scroll_bar); |
55123275 | 4769 | } |
c118dd06 JB |
4770 | #endif /* ! defined (HAVE_X11) */ |
4771 | #endif /* ! defined (HAVE_X_WINDOWS) */ |