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 JB |
426 | extern struct face *intern_face (/* FRAME_PTR, struct face * */); |
427 | ||
428 | while (n > 0) | |
dc6f92b8 JB |
429 | { |
430 | /* Get the face-code of the next GLYPH. */ | |
431 | int cf, len; | |
432 | int g = *gp; | |
433 | ||
07e34cb0 JB |
434 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
435 | cf = GLYPH_FACE (g); | |
dc6f92b8 JB |
436 | |
437 | /* Find the run of consecutive glyphs with the same face-code. | |
438 | Extract their character codes into BUF. */ | |
439 | cp = buf; | |
440 | while (n > 0) | |
441 | { | |
442 | g = *gp; | |
07e34cb0 JB |
443 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
444 | if (GLYPH_FACE (g) != cf) | |
dc6f92b8 JB |
445 | break; |
446 | ||
07e34cb0 | 447 | *cp++ = GLYPH_CHAR (g); |
dc6f92b8 JB |
448 | --n; |
449 | ++gp; | |
450 | } | |
451 | ||
452 | /* LEN gets the length of the run. */ | |
453 | len = cp - buf; | |
454 | ||
455 | /* Now output this run of chars, with the font and pixel values | |
456 | determined by the face code CF. */ | |
07e34cb0 JB |
457 | { |
458 | struct face *face = FRAME_DEFAULT_FACE (f); | |
459 | FONT_TYPE *font = FACE_FONT (face); | |
460 | GC gc = FACE_GC (face); | |
b73b6aaf RS |
461 | int defaulted = 1; |
462 | int gc_temporary = 0; | |
07e34cb0 | 463 | |
b73b6aaf RS |
464 | /* First look at the face of the text itself. */ |
465 | if (cf != 0) | |
07e34cb0 JB |
466 | { |
467 | /* The face codes on the glyphs must be valid indices into the | |
468 | frame's face table. */ | |
469 | if (cf < 0 || cf >= FRAME_N_FACES (f)) | |
470 | abort (); | |
471 | ||
472 | if (cf == 1) | |
473 | face = FRAME_MODE_LINE_FACE (f); | |
474 | else | |
4a4dc352 | 475 | face = intern_face (f, FRAME_FACES (f) [cf]); |
07e34cb0 JB |
476 | font = FACE_FONT (face); |
477 | gc = FACE_GC (face); | |
b73b6aaf | 478 | defaulted = 0; |
07e34cb0 | 479 | } |
4a4dc352 JB |
480 | |
481 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
482 | else if (hl == 0) |
483 | ; | |
484 | else if (hl == 1) | |
485 | { | |
486 | face = FRAME_MODE_LINE_FACE (f); | |
487 | font = FACE_FONT (face); | |
488 | gc = FACE_GC (face); | |
b73b6aaf RS |
489 | defaulted = 0; |
490 | } | |
491 | ||
492 | #define FACE_DEFAULT (~0) | |
493 | ||
494 | /* Now override that if the cursor's on this character. */ | |
495 | if (hl == 2 && (defaulted | |
496 | || !(face->font && (int) face->font != FACE_DEFAULT))) | |
497 | { | |
498 | gc = f->display.x->cursor_gc; | |
499 | } | |
500 | /* Cursor on non-default face: must merge. */ | |
501 | else if (hl == 2) | |
502 | { | |
503 | XGCValues xgcv; | |
504 | unsigned long mask; | |
505 | ||
506 | xgcv.background = f->display.x->cursor_pixel; | |
507 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
508 | xgcv.font = face->font->fid; | |
509 | xgcv.graphics_exposures = 0; | |
510 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
511 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
512 | mask, &xgcv); | |
513 | #if 0 | |
514 | if (face->stipple && face->stipple != FACE_DEFAULT) | |
515 | XSetStipple (x_current_display, gc, face->stipple); | |
516 | #endif | |
517 | gc_temporary = 1; | |
07e34cb0 | 518 | } |
07e34cb0 JB |
519 | |
520 | XDrawImageString (x_current_display, window, gc, | |
521 | left, top + FONT_BASE (font), buf, len); | |
07e34cb0 | 522 | |
b73b6aaf RS |
523 | if (gc_temporary) |
524 | XFreeGC (x_current_display, gc); | |
525 | ||
07e34cb0 JB |
526 | /* We should probably check for XA_UNDERLINE_POSITION and |
527 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
528 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 529 | { |
4a4dc352 | 530 | int underline_position = 1; |
07e34cb0 | 531 | |
4a4dc352 JB |
532 | if (font->descent <= underline_position) |
533 | underline_position = font->descent - 1; | |
07e34cb0 JB |
534 | |
535 | if (face->underline) | |
536 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
537 | FACE_GC (face), | |
538 | left, (top | |
539 | + FONT_BASE (font) | |
540 | + underline_position), | |
541 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 542 | } |
07e34cb0 JB |
543 | |
544 | left += len * FONT_WIDTH (font); | |
545 | } | |
dc6f92b8 JB |
546 | } |
547 | } | |
07e34cb0 JB |
548 | #endif /* 1 */ |
549 | ||
550 | #if 0 | |
551 | /* This is the old single-face code. */ | |
552 | ||
553 | static void | |
554 | dumpglyphs (f, left, top, gp, n, hl, font) | |
555 | struct frame *f; | |
556 | int left, top; | |
557 | register GLYPH *gp; /* Points to first GLYPH. */ | |
558 | register int n; /* Number of glyphs to display. */ | |
559 | int hl; | |
560 | FONT_TYPE *font; | |
561 | { | |
562 | register int len; | |
563 | Window window = FRAME_X_WINDOW (f); | |
564 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
565 | : (hl ? f->display.x->reverse_gc | |
566 | : f->display.x->normal_gc)); | |
567 | ||
568 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
569 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
570 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
571 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
572 | XDrawImageString (x_current_display, window, drawing_gc, | |
573 | left, top + FONT_BASE (font), (char *) gp, n); | |
574 | else | |
575 | /* What size of glyph ARE you using? And does X have a function to | |
576 | draw them? */ | |
577 | abort (); | |
578 | } | |
579 | #endif | |
dc6f92b8 | 580 | \f |
f451eb13 JB |
581 | /* Output some text at the nominal frame cursor position. |
582 | Advance the cursor over the text. | |
dc6f92b8 JB |
583 | Output LEN glyphs at START. |
584 | ||
585 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
586 | controls the pixel values used for foreground and background. */ | |
587 | ||
588 | static | |
589 | XTwrite_glyphs (start, len) | |
590 | register GLYPH *start; | |
591 | int len; | |
592 | { | |
593 | register int temp_length; | |
594 | int mask; | |
f676886a | 595 | struct frame *f; |
dc6f92b8 JB |
596 | |
597 | BLOCK_INPUT; | |
598 | ||
f676886a JB |
599 | f = updating_frame; |
600 | if (f == 0) | |
dc6f92b8 | 601 | { |
f676886a | 602 | f = selected_frame; |
dc6f92b8 | 603 | /* If not within an update, |
f676886a JB |
604 | output at the frame's visible cursor. */ |
605 | curs_x = f->cursor_x; | |
606 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
607 | } |
608 | ||
f676886a | 609 | dumpglyphs (f, |
12ba150f JB |
610 | CHAR_TO_PIXEL_COL (f, curs_x), |
611 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
07e34cb0 | 612 | start, len, highlight); |
90e65f07 JB |
613 | |
614 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
615 | if (curs_y == f->phys_cursor_y |
616 | && curs_x <= f->phys_cursor_x | |
617 | && curs_x + len > f->phys_cursor_x) | |
618 | f->phys_cursor_x = -1; | |
dc6f92b8 | 619 | |
f676886a | 620 | if (updating_frame == 0) |
dc6f92b8 | 621 | { |
f676886a JB |
622 | f->cursor_x += len; |
623 | x_display_cursor (f, 1); | |
624 | f->cursor_x -= len; | |
dc6f92b8 JB |
625 | } |
626 | else | |
627 | curs_x += len; | |
628 | ||
629 | UNBLOCK_INPUT; | |
630 | } | |
631 | \f | |
f451eb13 JB |
632 | /* Clear to the end of the line. |
633 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
634 | to column FIRST_UNUSED (exclusive). The idea is that everything |
635 | from FIRST_UNUSED onward is already erased. */ | |
636 | ||
4746118a | 637 | static int |
dc6f92b8 JB |
638 | XTclear_end_of_line (first_unused) |
639 | register int first_unused; | |
640 | { | |
f676886a | 641 | struct frame *f = updating_frame; |
dc6f92b8 JB |
642 | int mask; |
643 | ||
f676886a | 644 | if (f == 0) |
dc6f92b8 JB |
645 | abort (); |
646 | ||
f676886a | 647 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
648 | return; |
649 | if (first_unused <= 0) | |
650 | return; | |
651 | ||
f676886a JB |
652 | if (first_unused >= f->width) |
653 | first_unused = f->width; | |
dc6f92b8 JB |
654 | |
655 | BLOCK_INPUT; | |
656 | ||
90e65f07 | 657 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
658 | if (curs_y == f->phys_cursor_y |
659 | && curs_x <= f->phys_cursor_x | |
660 | && f->phys_cursor_x < first_unused) | |
661 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
662 | |
663 | #ifdef HAVE_X11 | |
c118dd06 | 664 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
665 | CHAR_TO_PIXEL_COL (f, curs_x), |
666 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
667 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
668 | FONT_HEIGHT (f->display.x->font), False); | |
dc6f92b8 | 669 | |
c118dd06 JB |
670 | #else /* ! defined (HAVE_X11) */ |
671 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
672 | CHAR_TO_PIXEL_COL (f, curs_x), |
673 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
674 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
675 | FONT_HEIGHT (f->display.x->font), | |
676 | f->display.x->background_pixel); | |
c118dd06 | 677 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
678 | |
679 | UNBLOCK_INPUT; | |
680 | } | |
681 | ||
682 | static | |
f676886a | 683 | XTclear_frame () |
dc6f92b8 JB |
684 | { |
685 | int mask; | |
f676886a | 686 | struct frame *f = updating_frame; |
dc6f92b8 | 687 | |
f676886a JB |
688 | if (f == 0) |
689 | f = selected_frame; | |
dc6f92b8 | 690 | |
f676886a | 691 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
692 | curs_x = 0; /* Nominal cursor position is top left. */ |
693 | curs_y = 0; | |
694 | ||
695 | BLOCK_INPUT; | |
dbc4e1c1 | 696 | |
c118dd06 | 697 | XClear (FRAME_X_WINDOW (f)); |
dbc4e1c1 | 698 | |
ab648270 | 699 | /* We have to clear the scroll bars, too. If we have changed |
dbc4e1c1 | 700 | colors or something like that, then they should be notified. */ |
ab648270 | 701 | x_scroll_bar_clear (f); |
dbc4e1c1 | 702 | |
dc6f92b8 | 703 | #ifndef HAVE_X11 |
f676886a | 704 | dumpborder (f, 0); |
c118dd06 | 705 | #endif /* HAVE_X11 */ |
dbc4e1c1 | 706 | |
dc6f92b8 JB |
707 | XFlushQueue (); |
708 | UNBLOCK_INPUT; | |
709 | } | |
710 | \f | |
dbc4e1c1 JB |
711 | /* Invert the middle quarter of the frame for .15 sec. */ |
712 | ||
713 | /* We use the select system call to do the waiting, so we have to make sure | |
714 | it's avaliable. If it isn't, we just won't do visual bells. */ | |
715 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) | |
716 | ||
717 | /* Subtract the `struct timeval' values X and Y, | |
718 | storing the result in RESULT. | |
719 | Return 1 if the difference is negative, otherwise 0. */ | |
720 | ||
721 | static int | |
722 | timeval_subtract (result, x, y) | |
723 | struct timeval *result, x, y; | |
724 | { | |
725 | /* Perform the carry for the later subtraction by updating y. | |
726 | This is safer because on some systems | |
727 | the tv_sec member is unsigned. */ | |
728 | if (x.tv_usec < y.tv_usec) | |
729 | { | |
730 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
731 | y.tv_usec -= 1000000 * nsec; | |
732 | y.tv_sec += nsec; | |
733 | } | |
734 | if (x.tv_usec - y.tv_usec > 1000000) | |
735 | { | |
736 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
737 | y.tv_usec += 1000000 * nsec; | |
738 | y.tv_sec -= nsec; | |
739 | } | |
740 | ||
741 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
742 | result->tv_sec = x.tv_sec - y.tv_sec; | |
743 | result->tv_usec = x.tv_usec - y.tv_usec; | |
744 | ||
745 | /* Return indication of whether the result should be considered negative. */ | |
746 | return x.tv_sec < y.tv_sec; | |
747 | } | |
dc6f92b8 | 748 | |
f676886a JB |
749 | XTflash (f) |
750 | struct frame *f; | |
dc6f92b8 | 751 | { |
dbc4e1c1 | 752 | BLOCK_INPUT; |
dc6f92b8 | 753 | |
dbc4e1c1 JB |
754 | { |
755 | GC gc; | |
dc6f92b8 | 756 | |
dbc4e1c1 JB |
757 | /* Create a GC that will use the GXxor function to flip foreground pixels |
758 | into background pixels. */ | |
759 | { | |
760 | XGCValues values; | |
dc6f92b8 | 761 | |
dbc4e1c1 JB |
762 | values.function = GXxor; |
763 | values.foreground = (f->display.x->foreground_pixel | |
764 | ^ f->display.x->background_pixel); | |
765 | ||
766 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
767 | GCFunction | GCForeground, &values); | |
768 | } | |
dc6f92b8 | 769 | |
dbc4e1c1 JB |
770 | { |
771 | int width = PIXEL_WIDTH (f); | |
772 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 773 | |
dbc4e1c1 JB |
774 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
775 | width/4, height/4, width/2, height/2); | |
776 | XFlush (x_current_display); | |
dc6f92b8 | 777 | |
dbc4e1c1 JB |
778 | { |
779 | struct timeval wakeup, now; | |
dc6f92b8 | 780 | |
dbc4e1c1 | 781 | gettimeofday (&wakeup, (struct timezone *) 0); |
dc6f92b8 | 782 | |
dbc4e1c1 JB |
783 | /* Compute time to wait until, propagating carry from usecs. */ |
784 | wakeup.tv_usec += 150000; | |
785 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
786 | wakeup.tv_usec %= 1000000; | |
787 | ||
788 | /* Keep waiting until past the time wakeup. */ | |
789 | while (1) | |
790 | { | |
791 | struct timeval timeout; | |
792 | ||
793 | gettimeofday (&timeout, (struct timezone *)0); | |
794 | ||
795 | /* In effect, timeout = wakeup - timeout. | |
796 | Break if result would be negative. */ | |
797 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
798 | break; | |
799 | ||
800 | /* Try to wait that long--but we might wake up sooner. */ | |
801 | select (0, 0, 0, 0, &timeout); | |
802 | } | |
803 | } | |
804 | ||
805 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
806 | width/4, height/4, width/2, height/2); | |
807 | XFreeGC (x_current_display, gc); | |
808 | XFlush (x_current_display); | |
dc6f92b8 | 809 | } |
dbc4e1c1 JB |
810 | } |
811 | ||
812 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
813 | } |
814 | ||
dbc4e1c1 JB |
815 | #endif |
816 | ||
817 | ||
dc6f92b8 JB |
818 | /* Make audible bell. */ |
819 | ||
820 | #ifdef HAVE_X11 | |
821 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 822 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 823 | #define XRINGBELL XFeep(0); |
c118dd06 | 824 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
825 | |
826 | XTring_bell () | |
827 | { | |
dbc4e1c1 | 828 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 829 | if (visible_bell) |
f676886a | 830 | XTflash (selected_frame); |
dc6f92b8 | 831 | else |
dbc4e1c1 | 832 | #endif |
dc6f92b8 JB |
833 | { |
834 | BLOCK_INPUT; | |
835 | XRINGBELL; | |
836 | XFlushQueue (); | |
837 | UNBLOCK_INPUT; | |
838 | } | |
839 | } | |
840 | \f | |
f451eb13 JB |
841 | /* Insert and delete character. |
842 | These are not supposed to be used because we are supposed to turn | |
843 | off the feature of using them. */ | |
dc6f92b8 JB |
844 | |
845 | static | |
846 | XTinsert_glyphs (start, len) | |
847 | register char *start; | |
848 | register int len; | |
849 | { | |
850 | abort (); | |
851 | } | |
852 | ||
853 | static | |
854 | XTdelete_glyphs (n) | |
855 | register int n; | |
856 | { | |
857 | abort (); | |
858 | } | |
859 | \f | |
860 | /* Specify how many text lines, from the top of the window, | |
861 | should be affected by insert-lines and delete-lines operations. | |
862 | This, and those operations, are used only within an update | |
863 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
864 | ||
865 | static | |
866 | XTset_terminal_window (n) | |
867 | register int n; | |
868 | { | |
f676886a | 869 | if (updating_frame == 0) |
dc6f92b8 JB |
870 | abort (); |
871 | ||
f676886a JB |
872 | if ((n <= 0) || (n > updating_frame->height)) |
873 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
874 | else |
875 | flexlines = n; | |
876 | } | |
877 | \f | |
f451eb13 JB |
878 | /* Perform an insert-lines operation. |
879 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
880 | |
881 | static void | |
882 | stufflines (n) | |
883 | register int n; | |
884 | { | |
885 | register int topregion, bottomregion; | |
886 | register int length, newtop, mask; | |
f676886a JB |
887 | register struct frame *f = updating_frame; |
888 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
889 | |
890 | if (curs_y >= flexlines) | |
891 | return; | |
892 | ||
893 | topregion = curs_y; | |
894 | bottomregion = flexlines - (n + 1); | |
895 | newtop = topregion + n; | |
896 | length = (bottomregion - topregion) + 1; | |
897 | ||
898 | #ifndef HAVE_X11 | |
899 | dumpqueue (); | |
c118dd06 | 900 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
901 | |
902 | if ((length > 0) && (newtop <= flexlines)) | |
903 | { | |
904 | #ifdef HAVE_X11 | |
c118dd06 JB |
905 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
906 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 907 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
908 | f->width * FONT_WIDTH (f->display.x->font), |
909 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 910 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
911 | #else /* ! defined (HAVE_X11) */ |
912 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
913 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
914 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
915 | f->width * FONT_WIDTH (f->display.x->font), |
916 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
917 | /* Now we must process any ExposeRegion events that occur |
918 | if the area being copied from is obscured. | |
919 | We can't let it wait because further i/d operations | |
920 | may want to copy this area to another area. */ | |
921 | x_read_exposes (); | |
c118dd06 | 922 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
923 | } |
924 | ||
925 | newtop = min (newtop, (flexlines - 1)); | |
926 | length = newtop - topregion; | |
927 | if (length > 0) | |
928 | { | |
929 | #ifdef HAVE_X11 | |
c118dd06 | 930 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 931 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
932 | f->width * FONT_WIDTH (f->display.x->font), |
933 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
934 | #else /* ! defined (HAVE_X11) */ |
935 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 936 | intborder, |
12ba150f | 937 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
938 | f->width * FONT_WIDTH (f->display.x->font), |
939 | n * FONT_HEIGHT (f->display.x->font), | |
940 | f->display.x->background_pixel); | |
c118dd06 | 941 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
942 | } |
943 | } | |
944 | ||
945 | /* Perform a delete-lines operation, deleting N lines | |
946 | at a vertical position curs_y. */ | |
947 | ||
948 | static void | |
949 | scraplines (n) | |
950 | register int n; | |
951 | { | |
952 | int mask; | |
f676886a JB |
953 | register struct frame *f = updating_frame; |
954 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
955 | |
956 | if (curs_y >= flexlines) | |
957 | return; | |
958 | ||
959 | #ifndef HAVE_X11 | |
960 | dumpqueue (); | |
c118dd06 | 961 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
962 | |
963 | if ((curs_y + n) >= flexlines) | |
964 | { | |
965 | if (flexlines >= (curs_y + 1)) | |
966 | { | |
967 | #ifdef HAVE_X11 | |
c118dd06 | 968 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 969 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
970 | f->width * FONT_WIDTH (f->display.x->font), |
971 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
972 | #else /* ! defined (HAVE_X11) */ |
973 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 974 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
975 | f->width * FONT_WIDTH (f->display.x->font), |
976 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
977 | f->display.x->background_pixel); | |
c118dd06 | 978 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
979 | } |
980 | } | |
981 | else | |
982 | { | |
983 | #ifdef HAVE_X11 | |
c118dd06 JB |
984 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
985 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 986 | intborder, |
12ba150f | 987 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
988 | f->width * FONT_WIDTH (f->display.x->font), |
989 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 990 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 991 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 992 | intborder, |
12ba150f | 993 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
994 | f->width * FONT_WIDTH (f->display.x->font), |
995 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
996 | #else /* ! defined (HAVE_X11) */ |
997 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 998 | intborder, |
12ba150f JB |
999 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
1000 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
1001 | f->width * FONT_WIDTH (f->display.x->font), |
1002 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
1003 | /* Now we must process any ExposeRegion events that occur |
1004 | if the area being copied from is obscured. | |
1005 | We can't let it wait because further i/d operations | |
1006 | may want to copy this area to another area. */ | |
1007 | x_read_exposes (); | |
c118dd06 | 1008 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 1009 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
1010 | f->width * FONT_WIDTH (f->display.x->font), |
1011 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 1012 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1013 | } |
1014 | } | |
1015 | ||
1016 | /* Perform an insert-lines or delete-lines operation, | |
1017 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1018 | ||
1019 | XTins_del_lines (vpos, n) | |
1020 | int vpos, n; | |
1021 | { | |
f676886a | 1022 | if (updating_frame == 0) |
dc6f92b8 JB |
1023 | abort (); |
1024 | ||
90e65f07 | 1025 | /* Hide the cursor. */ |
f676886a | 1026 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1027 | |
1028 | XTcursor_to (vpos, 0); | |
1029 | ||
1030 | BLOCK_INPUT; | |
1031 | if (n >= 0) | |
1032 | stufflines (n); | |
1033 | else | |
1034 | scraplines (-n); | |
1035 | XFlushQueue (); | |
1036 | UNBLOCK_INPUT; | |
1037 | } | |
1038 | \f | |
f451eb13 | 1039 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1040 | static void clear_cursor (); |
1041 | ||
f676886a JB |
1042 | /* Output into a rectangle of an X-window (for frame F) |
1043 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
1044 | TOP and LEFT are the position of the upper left corner of the rectangle. |
1045 | ROWS and COLS are the size of the rectangle. */ | |
1046 | ||
1047 | static void | |
f676886a JB |
1048 | dumprectangle (f, left, top, cols, rows) |
1049 | struct frame *f; | |
dc6f92b8 JB |
1050 | register int left, top, cols, rows; |
1051 | { | |
f676886a | 1052 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1053 | int cursor_cleared = 0; |
1054 | int bottom, right; | |
1055 | register int y; | |
1056 | ||
f676886a | 1057 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1058 | return; |
1059 | ||
dc6f92b8 JB |
1060 | /* Express rectangle as four edges, instead of position-and-size. */ |
1061 | bottom = top + rows; | |
1062 | right = left + cols; | |
1063 | ||
1064 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1065 | { |
1066 | int intborder = f->display.x->internal_border_width; | |
1067 | ||
1068 | /* If the rectangle includes any of the internal border area, | |
1069 | redisplay the border emphasis. */ | |
1070 | if (top < intborder || left < intborder | |
1071 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1072 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1073 | dumpborder (f, 0); | |
1074 | } | |
c118dd06 | 1075 | #endif /* HAVE_X11 /* Window manger does this for X11. */ */ |
dc6f92b8 JB |
1076 | |
1077 | /* Convert rectangle edges in pixels to edges in chars. | |
1078 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1079 | top = PIXEL_TO_CHAR_ROW (f, top); |
1080 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1081 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1082 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1083 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1084 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1085 | |
1086 | /* Clip the rectangle to what can be visible. */ | |
1087 | if (left < 0) | |
1088 | left = 0; | |
1089 | if (top < 0) | |
1090 | top = 0; | |
f676886a JB |
1091 | if (right > f->width) |
1092 | right = f->width; | |
1093 | if (bottom > f->height) | |
1094 | bottom = f->height; | |
dc6f92b8 JB |
1095 | |
1096 | /* Get size in chars of the rectangle. */ | |
1097 | cols = right - left; | |
1098 | rows = bottom - top; | |
1099 | ||
1100 | /* If rectangle has zero area, return. */ | |
1101 | if (rows <= 0) return; | |
1102 | if (cols <= 0) return; | |
1103 | ||
1104 | /* Turn off the cursor if it is in the rectangle. | |
1105 | We will turn it back on afterward. */ | |
f676886a JB |
1106 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1107 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1108 | { |
f676886a | 1109 | clear_cursor (f); |
dc6f92b8 JB |
1110 | cursor_cleared = 1; |
1111 | } | |
1112 | ||
1113 | /* Display the text in the rectangle, one text line at a time. */ | |
1114 | ||
1115 | for (y = top; y < bottom; y++) | |
1116 | { | |
f676886a | 1117 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1118 | |
f676886a | 1119 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1120 | continue; |
1121 | ||
f676886a | 1122 | dumpglyphs (f, |
12ba150f JB |
1123 | CHAR_TO_PIXEL_COL (f, left), |
1124 | CHAR_TO_PIXEL_ROW (f, y), | |
1125 | line, min (cols, active_frame->used[y] - left), | |
07e34cb0 | 1126 | active_frame->highlight[y]); |
dc6f92b8 JB |
1127 | } |
1128 | ||
1129 | /* Turn the cursor on if we turned it off. */ | |
1130 | ||
1131 | if (cursor_cleared) | |
f676886a | 1132 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1133 | } |
1134 | ||
1135 | #ifndef HAVE_X11 | |
1136 | /* Process all queued ExposeRegion events. */ | |
1137 | ||
1138 | static void | |
1139 | dumpqueue () | |
1140 | { | |
1141 | register int i; | |
1142 | XExposeRegionEvent r; | |
1143 | ||
1144 | while (dequeue_event (&r, &x_expose_queue)) | |
1145 | { | |
f676886a JB |
1146 | struct frame *f = x_window_to_frame (r.window); |
1147 | if (f->display.x->icon_desc == r.window) | |
1148 | refreshicon (f); | |
dc6f92b8 | 1149 | else |
f676886a | 1150 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1151 | } |
1152 | XFlushQueue (); | |
1153 | } | |
c118dd06 | 1154 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1155 | \f |
f451eb13 | 1156 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1157 | Redraws the cursor if necessary on any frame that |
1158 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1159 | |
f451eb13 | 1160 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1161 | static void |
1162 | x_do_pending_expose () | |
1163 | { | |
1164 | int mask; | |
f676886a JB |
1165 | struct frame *f; |
1166 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1167 | |
1168 | if (expose_all_windows) | |
1169 | { | |
1170 | expose_all_windows = 0; | |
f676886a | 1171 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1172 | { |
1173 | register int temp_width, temp_height; | |
1174 | int intborder; | |
1175 | ||
f676886a | 1176 | frame = XCONS (tail)->car; |
ab648270 | 1177 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1178 | continue; |
f676886a | 1179 | f = XFRAME (frame); |
b1c884c3 | 1180 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1181 | continue; |
3a88c238 | 1182 | if (!f->async_visible) |
dc6f92b8 | 1183 | continue; |
f676886a | 1184 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1185 | continue; |
1186 | ||
f676886a | 1187 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1188 | |
f676886a | 1189 | clear_cursor (f); |
c118dd06 | 1190 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1191 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1192 | - f->display.x->v_scroll_bar_width) |
f676886a | 1193 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1194 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1195 | - f->display.x->h_scroll_bar_height) |
f676886a JB |
1196 | / FONT_HEIGHT (f->display.x->font)); |
1197 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1198 | { |
f676886a | 1199 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1200 | max (1, temp_width), 0, 1); |
ab648270 | 1201 | x_resize_scroll_bars (f); |
dc6f92b8 | 1202 | } |
f676886a JB |
1203 | f->display.x->left_pos = windowinfo.x; |
1204 | f->display.x->top_pos = windowinfo.y; | |
1205 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1206 | #if 0 |
f676886a | 1207 | dumpborder (f, 0); |
c118dd06 | 1208 | #endif /* ! 0 */ |
f676886a JB |
1209 | f->display.x->needs_exposure = 0; |
1210 | if (updating_frame != f) | |
1211 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1212 | XFlushQueue (); |
1213 | } | |
1214 | } | |
1215 | else | |
1216 | /* Handle any individual-rectangle expose events queued | |
1217 | for various windows. */ | |
1218 | #ifdef HAVE_X11 | |
1219 | ; | |
c118dd06 | 1220 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1221 | dumpqueue (); |
c118dd06 | 1222 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1223 | } |
f451eb13 | 1224 | #endif |
dc6f92b8 JB |
1225 | |
1226 | #ifdef HAVE_X11 | |
1227 | static void | |
f676886a JB |
1228 | frame_highlight (frame) |
1229 | struct frame *frame; | |
dc6f92b8 JB |
1230 | { |
1231 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1232 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1233 | frame->display.x->border_pixel); |
1234 | x_display_cursor (frame, 1); | |
dc6f92b8 JB |
1235 | } |
1236 | ||
1237 | static void | |
f676886a JB |
1238 | frame_unhighlight (frame) |
1239 | struct frame *frame; | |
dc6f92b8 JB |
1240 | { |
1241 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1242 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1243 | frame->display.x->border_tile); |
1244 | x_display_cursor (frame, 1); | |
dc6f92b8 | 1245 | } |
c118dd06 | 1246 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1247 | /* Dump the border-emphasis of frame F. |
1248 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1249 | just within the border, occupying a portion of the internal border. |
f676886a | 1250 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1251 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1252 | ||
f676886a | 1253 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1254 | In that case, we also turn the cursor off and on again |
1255 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1256 | ||
1257 | static void | |
f676886a JB |
1258 | dumpborder (f, always) |
1259 | struct frame *f; | |
dc6f92b8 JB |
1260 | int always; |
1261 | { | |
f676886a JB |
1262 | int thickness = f->display.x->internal_border_width / 2; |
1263 | int width = PIXEL_WIDTH (f); | |
1264 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1265 | int pixel; |
1266 | ||
f676886a | 1267 | if (f != selected_frame) |
dc6f92b8 JB |
1268 | { |
1269 | if (!always) | |
1270 | return; | |
1271 | ||
f676886a | 1272 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1273 | } |
1274 | else | |
1275 | { | |
f676886a | 1276 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1277 | } |
1278 | ||
c118dd06 JB |
1279 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1280 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1281 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1282 | thickness, pixel); |
c118dd06 | 1283 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1284 | height, pixel); |
1285 | ||
1286 | if (always) | |
f676886a | 1287 | x_display_cursor (f, 1); |
dc6f92b8 | 1288 | } |
c118dd06 | 1289 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1290 | |
f676886a | 1291 | static void XTframe_rehighlight (); |
6d4238f3 | 1292 | |
f676886a JB |
1293 | /* The focus has changed. Update the frames as necessary to reflect |
1294 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1295 | here, because the lisp code we are interrupting might become confused. |
f676886a | 1296 | Each event gets marked with the frame in which it occured, so the |
6d4238f3 | 1297 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1298 | |
6d4238f3 | 1299 | static void |
f676886a JB |
1300 | x_new_focus_frame (frame) |
1301 | struct frame *frame; | |
dc6f92b8 | 1302 | { |
f676886a | 1303 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1304 | int events_enqueued = 0; |
1305 | ||
f676886a | 1306 | if (frame != x_focus_frame) |
dc6f92b8 | 1307 | { |
6d4238f3 | 1308 | /* Set this before calling other routines, so that they see |
f676886a JB |
1309 | the correct value of x_focus_frame. */ |
1310 | x_focus_frame = frame; | |
6d4238f3 JB |
1311 | |
1312 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1313 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1314 | |
1315 | #if 0 | |
f676886a JB |
1316 | selected_frame = frame; |
1317 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1318 | Lisp_Frame, selected_frame); | |
1319 | Fselect_window (selected_frame->selected_window); | |
1320 | choose_minibuf_frame (); | |
c118dd06 | 1321 | #endif /* ! 0 */ |
dc6f92b8 | 1322 | |
f676886a JB |
1323 | if (x_focus_frame && x_focus_frame->auto_raise) |
1324 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1325 | } |
dc6f92b8 | 1326 | |
f676886a | 1327 | XTframe_rehighlight (); |
6d4238f3 JB |
1328 | } |
1329 | ||
1330 | ||
f451eb13 JB |
1331 | /* The focus has changed, or we have redirected a frame's focus to |
1332 | another frame (this happens when a frame uses a surrogate | |
1333 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1334 | static void |
f676886a | 1335 | XTframe_rehighlight () |
6d4238f3 | 1336 | { |
f676886a | 1337 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1338 | |
f676886a | 1339 | if (x_focus_frame) |
6d4238f3 | 1340 | { |
f451eb13 | 1341 | x_highlight_frame = |
ab648270 | 1342 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1343 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1344 | : x_focus_frame); | |
1345 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1346 | { | |
1347 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1348 | x_highlight_frame = x_focus_frame; | |
1349 | } | |
dc6f92b8 | 1350 | } |
6d4238f3 | 1351 | else |
f676886a | 1352 | x_highlight_frame = 0; |
dc6f92b8 | 1353 | |
f676886a | 1354 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1355 | { |
1356 | if (old_highlight) | |
f676886a JB |
1357 | frame_unhighlight (old_highlight); |
1358 | if (x_highlight_frame) | |
1359 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1360 | } |
dc6f92b8 JB |
1361 | } |
1362 | \f | |
90e65f07 JB |
1363 | /* Mouse clicks and mouse movement. Rah. */ |
1364 | #ifdef HAVE_X11 | |
1365 | ||
f676886a | 1366 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return |
90e65f07 JB |
1367 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle |
1368 | that the glyph at X, Y occupies, if BOUNDS != 0. */ | |
1369 | static void | |
f676886a JB |
1370 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds) |
1371 | FRAME_PTR f; | |
dc6f92b8 JB |
1372 | register unsigned int pix_x, pix_y; |
1373 | register int *x, *y; | |
90e65f07 | 1374 | XRectangle *bounds; |
dc6f92b8 | 1375 | { |
12ba150f JB |
1376 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1377 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
90e65f07 JB |
1378 | |
1379 | if (bounds) | |
1380 | { | |
12ba150f JB |
1381 | bounds->width = FONT_WIDTH (f->display.x->font); |
1382 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1383 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1384 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
90e65f07 | 1385 | } |
12ba150f JB |
1386 | |
1387 | if (pix_x < 0) pix_x = 0; | |
1388 | else if (pix_x > f->width) pix_x = f->width; | |
1389 | ||
1390 | if (pix_y < 0) pix_y = 0; | |
1391 | else if (pix_y > f->height) pix_y = f->height; | |
1392 | ||
1393 | *x = pix_x; | |
1394 | *y = pix_y; | |
dc6f92b8 | 1395 | } |
dc6f92b8 JB |
1396 | |
1397 | /* Any buttons grabbed. */ | |
1398 | unsigned int x_mouse_grabbed; | |
1399 | ||
28430d3c JB |
1400 | /* Which modifier keys are on which modifier bits? |
1401 | ||
1402 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1403 | keys were held down when the key was pressed. The interpretation |
1404 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1405 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1406 | is the meta bit. | |
1407 | ||
1408 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1409 | It may have more than one bit set, if more than one modifier bit | |
1410 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1411 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1412 | ||
1413 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1414 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1415 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1416 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1417 | arrangement, the lock modifier should shift the character if | |
1418 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1419 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1420 | |
a3c44b14 RS |
1421 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1422 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1423 | ||
28430d3c JB |
1424 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1425 | static void | |
1426 | x_find_modifier_meanings () | |
1427 | { | |
f689eb05 | 1428 | int min_code, max_code; |
28430d3c JB |
1429 | KeySym *syms; |
1430 | int syms_per_code; | |
1431 | XModifierKeymap *mods; | |
1432 | ||
1433 | x_meta_mod_mask = 0; | |
11edeb03 | 1434 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1435 | x_alt_mod_mask = 0; |
1436 | x_super_mod_mask = 0; | |
1437 | x_hyper_mod_mask = 0; | |
28430d3c | 1438 | |
9658a521 | 1439 | #ifdef HAVE_X11R4 |
28430d3c | 1440 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1441 | #else |
1442 | min_code = x_current_display->min_keycode; | |
1443 | max_code = x_current_display->max_keycode; | |
1444 | #endif | |
1445 | ||
28430d3c JB |
1446 | syms = XGetKeyboardMapping (x_current_display, |
1447 | min_code, max_code - min_code + 1, | |
1448 | &syms_per_code); | |
1449 | mods = XGetModifierMapping (x_current_display); | |
1450 | ||
11edeb03 JB |
1451 | /* Scan the modifier table to see which modifier bits the Meta and |
1452 | Alt keysyms are on. */ | |
28430d3c JB |
1453 | { |
1454 | int row, col; /* The row and column in the modifier table. */ | |
1455 | ||
1456 | for (row = 3; row < 8; row++) | |
1457 | for (col = 0; col < mods->max_keypermod; col++) | |
1458 | { | |
1459 | KeyCode code = | |
1460 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1461 | ||
1462 | /* Are any of this keycode's keysyms a meta key? */ | |
1463 | { | |
1464 | int code_col; | |
1465 | ||
1466 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1467 | { | |
f689eb05 | 1468 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1469 | |
f689eb05 | 1470 | switch (sym) |
28430d3c | 1471 | { |
f689eb05 JB |
1472 | case XK_Meta_L: |
1473 | case XK_Meta_R: | |
28430d3c JB |
1474 | x_meta_mod_mask |= (1 << row); |
1475 | break; | |
f689eb05 JB |
1476 | |
1477 | case XK_Alt_L: | |
1478 | case XK_Alt_R: | |
a3c44b14 RS |
1479 | x_alt_mod_mask |= (1 << row); |
1480 | break; | |
1481 | ||
1482 | case XK_Hyper_L: | |
1483 | case XK_Hyper_R: | |
1484 | x_hyper_mod_mask |= (1 << row); | |
1485 | break; | |
1486 | ||
1487 | case XK_Super_L: | |
1488 | case XK_Super_R: | |
1489 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1490 | break; |
11edeb03 JB |
1491 | |
1492 | case XK_Shift_Lock: | |
1493 | /* Ignore this if it's not on the lock modifier. */ | |
1494 | if ((1 << row) == LockMask) | |
1495 | x_shift_lock_mask = LockMask; | |
1496 | break; | |
28430d3c JB |
1497 | } |
1498 | } | |
1499 | } | |
1500 | } | |
1501 | } | |
1502 | ||
f689eb05 JB |
1503 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1504 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1505 | { |
1506 | x_meta_mod_mask = x_alt_mod_mask; | |
1507 | x_alt_mod_mask = 0; | |
1508 | } | |
f689eb05 | 1509 | |
148c4b70 RS |
1510 | /* If some keys are both alt and meta, |
1511 | make them just meta, not alt. */ | |
1512 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1513 | { | |
1514 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1515 | } | |
1516 | ||
28430d3c | 1517 | XFree ((char *) syms); |
f689eb05 | 1518 | XFreeModifiermap (mods); |
28430d3c JB |
1519 | } |
1520 | ||
1521 | ||
dfeccd2d JB |
1522 | /* Convert between the modifier bits X uses and the modifier bits |
1523 | Emacs uses. */ | |
7c5283e4 | 1524 | static unsigned int |
dfeccd2d | 1525 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1526 | unsigned int state; |
1527 | { | |
11edeb03 JB |
1528 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1529 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1530 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1531 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1532 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1533 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1534 | } |
1535 | ||
dfeccd2d JB |
1536 | static unsigned int |
1537 | x_emacs_to_x_modifiers (state) | |
1538 | unsigned int state; | |
1539 | { | |
1540 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1541 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1542 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1543 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1544 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1545 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1546 | } | |
1547 | ||
dc6f92b8 JB |
1548 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1549 | ||
1550 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1551 | the mouse. */ |
dc6f92b8 JB |
1552 | |
1553 | static Lisp_Object | |
f451eb13 | 1554 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1555 | struct input_event *result; |
1556 | XButtonEvent *event; | |
f676886a | 1557 | struct frame *f; |
dc6f92b8 | 1558 | { |
f451eb13 | 1559 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1560 | otherwise. */ |
f451eb13 JB |
1561 | result->kind = mouse_click; |
1562 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1563 | result->timestamp = event->time; |
dfeccd2d | 1564 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
1565 | | (event->type == ButtonRelease |
1566 | ? up_modifier | |
1567 | : down_modifier)); | |
dc6f92b8 JB |
1568 | |
1569 | /* Notice if the mouse is still grabbed. */ | |
1570 | if (event->type == ButtonPress) | |
1571 | { | |
1572 | if (! x_mouse_grabbed) | |
1573 | Vmouse_depressed = Qt; | |
90e65f07 | 1574 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1575 | } |
1576 | else if (event->type == ButtonRelease) | |
1577 | { | |
90e65f07 | 1578 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1579 | if (!x_mouse_grabbed) |
1580 | Vmouse_depressed = Qnil; | |
1581 | } | |
1582 | ||
f451eb13 JB |
1583 | { |
1584 | int row, column; | |
dc6f92b8 | 1585 | |
f451eb13 JB |
1586 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1587 | XFASTINT (result->x) = column; | |
1588 | XFASTINT (result->y) = row; | |
12ba150f | 1589 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1590 | } |
dc6f92b8 JB |
1591 | } |
1592 | ||
1593 | ||
90e65f07 JB |
1594 | /* Mouse movement. Rah. |
1595 | ||
1596 | In order to avoid asking for motion events and then throwing most | |
1597 | of them away or busy-polling the server for mouse positions, we ask | |
1598 | the server for pointer motion hints. This means that we get only | |
1599 | one event per group of mouse movements. "Groups" are delimited by | |
1600 | other kinds of events (focus changes and button clicks, for | |
1601 | example), or by XQueryPointer calls; when one of these happens, we | |
1602 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1603 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1604 | tracking is on, and I suspect only negligibly worse when tracking |
1605 | is off. | |
1606 | ||
1607 | The silly O'Reilly & Associates Nutshell guides barely document | |
1608 | pointer motion hints at all (I think you have to infer how they | |
1609 | work from an example), and the description of XQueryPointer doesn't | |
1610 | mention that calling it causes you to get another motion hint from | |
1611 | the server, which is very important. */ | |
1612 | ||
1613 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1614 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1615 | static XRectangle last_mouse_glyph; |
1616 | ||
ab648270 | 1617 | /* The scroll bar in which the last X motion event occurred. |
12ba150f | 1618 | |
ab648270 JB |
1619 | If the last X motion event occured in a scroll bar, we set this |
1620 | so XTmouse_position can know whether to report a scroll bar motion or | |
12ba150f JB |
1621 | an ordinary motion. |
1622 | ||
ab648270 | 1623 | If the last X motion event didn't occur in a scroll bar, we set this |
12ba150f | 1624 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ |
ab648270 | 1625 | static Lisp_Object last_mouse_scroll_bar; |
f451eb13 | 1626 | |
e5d77022 JB |
1627 | /* This is a hack. We would really prefer that XTmouse_position would |
1628 | return the time associated with the position it returns, but there | |
1629 | doesn't seem to be any way to wrest the timestamp from the server | |
1630 | along with the position query. So, we just keep track of the time | |
1631 | of the last movement we received, and return that in hopes that | |
1632 | it's somewhat accurate. */ | |
1633 | static Time last_mouse_movement_time; | |
1634 | ||
90e65f07 JB |
1635 | /* Function to report a mouse movement to the mainstream Emacs code. |
1636 | The input handler calls this. | |
1637 | ||
1638 | We have received a mouse movement event, which is given in *event. | |
1639 | If the mouse is over a different glyph than it was last time, tell | |
1640 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1641 | another motion event, so we can check again the next time it moves. */ | |
1642 | static void | |
12ba150f | 1643 | note_mouse_movement (frame, event) |
f676886a | 1644 | FRAME_PTR frame; |
90e65f07 JB |
1645 | XMotionEvent *event; |
1646 | ||
1647 | { | |
e5d77022 JB |
1648 | last_mouse_movement_time = event->time; |
1649 | ||
90e65f07 JB |
1650 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1651 | if (event->x < last_mouse_glyph.x | |
1652 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1653 | || event->y < last_mouse_glyph.y | |
1654 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1655 | { |
1656 | mouse_moved = 1; | |
ab648270 | 1657 | last_mouse_scroll_bar = Qnil; |
12ba150f | 1658 | } |
90e65f07 JB |
1659 | else |
1660 | { | |
1661 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1662 | event the next time the mouse moves and we can see if it's | |
1663 | *still* on the same glyph. */ | |
1664 | int dummy; | |
1665 | ||
1666 | XQueryPointer (event->display, event->window, | |
1667 | (Window *) &dummy, (Window *) &dummy, | |
1668 | &dummy, &dummy, &dummy, &dummy, | |
1669 | (unsigned int *) &dummy); | |
1670 | } | |
1671 | } | |
1672 | ||
ab648270 JB |
1673 | static struct scroll_bar *x_window_to_scroll_bar (); |
1674 | static void x_scroll_bar_report_motion (); | |
12ba150f | 1675 | |
90e65f07 JB |
1676 | /* Return the current position of the mouse. |
1677 | ||
ab648270 JB |
1678 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
1679 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 1680 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 1681 | position on the scroll bar. |
12ba150f JB |
1682 | |
1683 | If the mouse movement started elsewhere, set *f to the frame the | |
1684 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1685 | the mouse is over. | |
1686 | ||
1687 | Set *time to the server timestamp for the time at which the mouse | |
1688 | was at this position. | |
1689 | ||
90e65f07 | 1690 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1691 | movement. This also calls XQueryPointer, which will cause the |
1692 | server to give us another MotionNotify when the mouse moves | |
1693 | again. */ | |
90e65f07 JB |
1694 | |
1695 | static void | |
12ba150f | 1696 | XTmouse_position (f, bar_window, part, x, y, time) |
f676886a | 1697 | FRAME_PTR *f; |
12ba150f | 1698 | Lisp_Object *bar_window; |
ab648270 | 1699 | enum scroll_bar_part *part; |
90e65f07 | 1700 | Lisp_Object *x, *y; |
e5d77022 | 1701 | unsigned long *time; |
90e65f07 | 1702 | { |
90e65f07 JB |
1703 | BLOCK_INPUT; |
1704 | ||
ab648270 JB |
1705 | if (! NILP (last_mouse_scroll_bar)) |
1706 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1707 | else |
1708 | { | |
12ba150f JB |
1709 | Window root; |
1710 | int root_x, root_y; | |
90e65f07 | 1711 | |
12ba150f JB |
1712 | Window dummy_window; |
1713 | int dummy; | |
1714 | ||
1715 | mouse_moved = 0; | |
ab648270 | 1716 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
1717 | |
1718 | /* Figure out which root window we're on. */ | |
1719 | XQueryPointer (x_current_display, | |
1720 | DefaultRootWindow (x_current_display), | |
1721 | ||
1722 | /* The root window which contains the pointer. */ | |
1723 | &root, | |
1724 | ||
1725 | /* Trash which we can't trust if the pointer is on | |
1726 | a different screen. */ | |
1727 | &dummy_window, | |
1728 | ||
1729 | /* The position on that root window. */ | |
1730 | &root_x, &root_y, | |
1731 | ||
1732 | /* More trash we can't trust. */ | |
1733 | &dummy, &dummy, | |
1734 | ||
1735 | /* Modifier keys and pointer buttons, about which | |
1736 | we don't care. */ | |
1737 | (unsigned int *) &dummy); | |
1738 | ||
1739 | /* Now we have a position on the root; find the innermost window | |
1740 | containing the pointer. */ | |
1741 | { | |
1742 | Window win, child; | |
1743 | int win_x, win_y; | |
1744 | int parent_x, parent_y; | |
1745 | ||
1746 | win = root; | |
1747 | for (;;) | |
1748 | { | |
1749 | XTranslateCoordinates (x_current_display, | |
1750 | ||
1751 | /* From-window, to-window. */ | |
1752 | root, win, | |
1753 | ||
1754 | /* From-position, to-position. */ | |
1755 | root_x, root_y, &win_x, &win_y, | |
1756 | ||
1757 | /* Child of win. */ | |
1758 | &child); | |
1759 | ||
1760 | if (child == None) | |
1761 | break; | |
1762 | ||
1763 | win = child; | |
1764 | parent_x = win_x; | |
1765 | parent_y = win_y; | |
1766 | } | |
1767 | ||
1768 | /* Now we know that: | |
1769 | win is the innermost window containing the pointer | |
1770 | (XTC says it has no child containing the pointer), | |
1771 | win_x and win_y are the pointer's position in it | |
1772 | (XTC did this the last time through), and | |
1773 | parent_x and parent_y are the pointer's position in win's parent. | |
1774 | (They are what win_x and win_y were when win was child. | |
1775 | If win is the root window, it has no parent, and | |
1776 | parent_{x,y} are invalid, but that's okay, because we'll | |
1777 | never use them in that case.) */ | |
1778 | ||
1779 | /* Is win one of our frames? */ | |
1780 | *f = x_window_to_frame (win); | |
1781 | ||
ab648270 | 1782 | /* If not, is it one of our scroll bars? */ |
12ba150f JB |
1783 | if (! *f) |
1784 | { | |
ab648270 | 1785 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
1786 | |
1787 | if (bar) | |
1788 | { | |
1789 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1790 | win_x = parent_x; | |
1791 | win_y = parent_y; | |
1792 | } | |
1793 | } | |
90e65f07 | 1794 | |
12ba150f JB |
1795 | if (*f) |
1796 | { | |
1797 | pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y, | |
1798 | &last_mouse_glyph); | |
1799 | ||
1800 | *bar_window = Qnil; | |
1801 | *part = 0; | |
1802 | XSET (*x, Lisp_Int, win_x); | |
1803 | XSET (*y, Lisp_Int, win_y); | |
1804 | *time = last_mouse_movement_time; | |
1805 | } | |
1806 | } | |
1807 | } | |
90e65f07 JB |
1808 | |
1809 | UNBLOCK_INPUT; | |
1810 | } | |
1811 | ||
c118dd06 | 1812 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1813 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1814 | #endif /* ! defined (HAVE_X11) */ |
1815 | \f | |
ab648270 | 1816 | /* Scroll bar support. */ |
f451eb13 | 1817 | |
ab648270 JB |
1818 | /* Given an X window ID, find the struct scroll_bar which manages it. |
1819 | This can be called in GC, so we have to make sure to strip off mark | |
1820 | bits. */ | |
1821 | static struct scroll_bar * | |
1822 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
1823 | Window window_id; |
1824 | { | |
1825 | Lisp_Object tail, frame; | |
f451eb13 | 1826 | |
ab648270 JB |
1827 | for (tail = Vframe_list; |
1828 | XGCTYPE (tail) == Lisp_Cons; | |
1829 | tail = XCONS (tail)->cdr) | |
f451eb13 | 1830 | { |
f451eb13 | 1831 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1832 | Lisp_Object bar, condemned; |
f451eb13 JB |
1833 | |
1834 | /* All elements of Vframe_list should be frames. */ | |
ab648270 | 1835 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
1836 | abort (); |
1837 | ||
ab648270 | 1838 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 1839 | right window ID. */ |
ab648270 JB |
1840 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
1841 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 1842 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
1843 | condemned scroll bar lists with one loop. */ |
1844 | ! GC_NILP (bar) || (bar = condemned, | |
1845 | condemned = Qnil, | |
1846 | ! GC_NILP (bar)); | |
1847 | bar = XSCROLL_BAR(bar)->next) | |
1848 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1849 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
1850 | } |
1851 | ||
1852 | return 0; | |
1853 | } | |
1854 | ||
ab648270 JB |
1855 | /* Open a new X window to serve as a scroll bar, and return the |
1856 | scroll bar vector for it. */ | |
1857 | static struct scroll_bar * | |
1858 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 1859 | struct window *window; |
f451eb13 JB |
1860 | int top, left, width, height; |
1861 | { | |
12ba150f | 1862 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
1863 | struct scroll_bar *bar = |
1864 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
1865 | |
1866 | BLOCK_INPUT; | |
1867 | ||
1868 | { | |
1869 | XSetWindowAttributes a; | |
1870 | unsigned long mask; | |
1871 | ||
12ba150f JB |
1872 | a.background_pixel = frame->display.x->background_pixel; |
1873 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1874 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1875 | | ExposureMask); |
ab648270 | 1876 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 1877 | |
dbc4e1c1 | 1878 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 1879 | |
ab648270 | 1880 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
1881 | (bar, |
1882 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1883 | |
ab648270 | 1884 | /* Position and size of scroll bar. */ |
12ba150f | 1885 | left, top, width, height, |
f451eb13 | 1886 | |
12ba150f JB |
1887 | /* Border width, depth, class, and visual. */ |
1888 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1889 | |
12ba150f JB |
1890 | /* Attributes. */ |
1891 | mask, &a)); | |
f451eb13 JB |
1892 | } |
1893 | ||
12ba150f JB |
1894 | XSET (bar->window, Lisp_Window, window); |
1895 | XSET (bar->top, Lisp_Int, top); | |
1896 | XSET (bar->left, Lisp_Int, left); | |
1897 | XSET (bar->width, Lisp_Int, width); | |
1898 | XSET (bar->height, Lisp_Int, height); | |
1899 | XSET (bar->start, Lisp_Int, 0); | |
1900 | XSET (bar->end, Lisp_Int, 0); | |
1901 | bar->dragging = Qnil; | |
f451eb13 JB |
1902 | |
1903 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 1904 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 1905 | bar->prev = Qnil; |
ab648270 | 1906 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 1907 | if (! NILP (bar->next)) |
ab648270 | 1908 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 1909 | |
ab648270 | 1910 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
1911 | |
1912 | UNBLOCK_INPUT; | |
12ba150f JB |
1913 | |
1914 | return bar; | |
f451eb13 JB |
1915 | } |
1916 | ||
12ba150f JB |
1917 | /* Draw BAR's handle in the proper position. |
1918 | If the handle is already drawn from START to END, don't bother | |
1919 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1920 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1921 | events.) | |
1922 | ||
1923 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 1924 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
1925 | handle, we want to let them drag it down all the way, so that the |
1926 | bar's top is as far down as it goes; otherwise, there's no way to | |
1927 | move to the very end of the buffer. */ | |
f451eb13 | 1928 | static void |
ab648270 JB |
1929 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
1930 | struct scroll_bar *bar; | |
f451eb13 | 1931 | int start, end; |
12ba150f | 1932 | int rebuild; |
f451eb13 | 1933 | { |
12ba150f | 1934 | int dragging = ! NILP (bar->dragging); |
ab648270 | 1935 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
1936 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
1937 | ||
1938 | /* If the display is already accurate, do nothing. */ | |
1939 | if (! rebuild | |
1940 | && start == XINT (bar->start) | |
1941 | && end == XINT (bar->end)) | |
1942 | return; | |
1943 | ||
f451eb13 JB |
1944 | BLOCK_INPUT; |
1945 | ||
1946 | { | |
ab648270 JB |
1947 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
1948 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
1949 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
1950 | |
1951 | /* Make sure the values are reasonable, and try to preserve | |
1952 | the distance between start and end. */ | |
12ba150f JB |
1953 | { |
1954 | int length = end - start; | |
1955 | ||
1956 | if (start < 0) | |
1957 | start = 0; | |
1958 | else if (start > top_range) | |
1959 | start = top_range; | |
1960 | end = start + length; | |
1961 | ||
1962 | if (end < start) | |
1963 | end = start; | |
1964 | else if (end > top_range && ! dragging) | |
1965 | end = top_range; | |
1966 | } | |
f451eb13 | 1967 | |
ab648270 | 1968 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
1969 | XSET (bar->start, Lisp_Int, start); |
1970 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 1971 | |
12ba150f JB |
1972 | /* Clip the end position, just for display. */ |
1973 | if (end > top_range) | |
1974 | end = top_range; | |
f451eb13 | 1975 | |
ab648270 | 1976 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
1977 | below top positions, to make sure the handle is always at least |
1978 | that many pixels tall. */ | |
ab648270 | 1979 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 1980 | |
12ba150f JB |
1981 | /* Draw the empty space above the handle. Note that we can't clear |
1982 | zero-height areas; that means "clear to end of window." */ | |
1983 | if (0 < start) | |
1984 | XClearArea (x_current_display, w, | |
f451eb13 | 1985 | |
12ba150f | 1986 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1987 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1988 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
1989 | inside_width, start, |
1990 | False); | |
f451eb13 | 1991 | |
12ba150f JB |
1992 | /* Draw the handle itself. */ |
1993 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 1994 | |
12ba150f | 1995 | /* x, y, width, height */ |
ab648270 JB |
1996 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1997 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 1998 | inside_width, end - start); |
f451eb13 | 1999 | |
f451eb13 | 2000 | |
12ba150f JB |
2001 | /* Draw the empty space below the handle. Note that we can't |
2002 | clear zero-height areas; that means "clear to end of window." */ | |
2003 | if (end < inside_height) | |
2004 | XClearArea (x_current_display, w, | |
f451eb13 | 2005 | |
12ba150f | 2006 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2007 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2008 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2009 | inside_width, inside_height - end, |
2010 | False); | |
f451eb13 | 2011 | |
f451eb13 JB |
2012 | } |
2013 | ||
f451eb13 JB |
2014 | UNBLOCK_INPUT; |
2015 | } | |
2016 | ||
ab648270 | 2017 | /* Move a scroll bar around on the screen, to accomodate changing |
12ba150f | 2018 | window configurations. */ |
f451eb13 | 2019 | static void |
ab648270 JB |
2020 | x_scroll_bar_move (bar, top, left, width, height) |
2021 | struct scroll_bar *bar; | |
f451eb13 JB |
2022 | int top, left, width, height; |
2023 | { | |
2024 | BLOCK_INPUT; | |
2025 | ||
2026 | { | |
2027 | XWindowChanges wc; | |
2028 | unsigned int mask = 0; | |
2029 | ||
2030 | wc.x = left; | |
2031 | wc.y = top; | |
2032 | wc.width = width; | |
2033 | wc.height = height; | |
2034 | ||
12ba150f JB |
2035 | if (left != XINT (bar->left)) mask |= CWX; |
2036 | if (top != XINT (bar->top)) mask |= CWY; | |
2037 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2038 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2039 | ||
2040 | if (mask) | |
ab648270 | 2041 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2042 | mask, &wc); |
f451eb13 JB |
2043 | } |
2044 | ||
12ba150f JB |
2045 | XSET (bar->left, Lisp_Int, left); |
2046 | XSET (bar->top, Lisp_Int, top); | |
2047 | XSET (bar->width, Lisp_Int, width); | |
2048 | XSET (bar->height, Lisp_Int, height); | |
2049 | ||
f451eb13 JB |
2050 | UNBLOCK_INPUT; |
2051 | } | |
2052 | ||
ab648270 | 2053 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2054 | to nil. */ |
2055 | static void | |
ab648270 JB |
2056 | x_scroll_bar_remove (bar) |
2057 | struct scroll_bar *bar; | |
12ba150f JB |
2058 | { |
2059 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2060 | ||
2061 | BLOCK_INPUT; | |
2062 | ||
2063 | /* Destroy the window. */ | |
ab648270 | 2064 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2065 | |
ab648270 JB |
2066 | /* Disassociate this scroll bar from its window. */ |
2067 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2068 | |
2069 | UNBLOCK_INPUT; | |
2070 | } | |
2071 | ||
2072 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2073 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2074 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2075 | create one. */ |
2076 | static void | |
ab648270 | 2077 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2078 | struct window *window; |
2079 | int portion, whole, position; | |
2080 | { | |
2081 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2082 | int top = XINT (window->top); |
ab648270 JB |
2083 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2084 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2085 | |
ab648270 | 2086 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2087 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2088 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2089 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2090 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2091 | |
ab648270 | 2092 | struct scroll_bar *bar; |
12ba150f | 2093 | |
ab648270 JB |
2094 | /* Does the scroll bar exist yet? */ |
2095 | if (NILP (window->vertical_scroll_bar)) | |
2096 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2097 | pixel_top, pixel_left, |
2098 | pixel_width, pixel_height); | |
2099 | else | |
12ba150f JB |
2100 | { |
2101 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2102 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2103 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2104 | } |
f451eb13 | 2105 | |
ab648270 | 2106 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2107 | dragged. */ |
12ba150f | 2108 | if (NILP (bar->dragging)) |
f451eb13 | 2109 | { |
12ba150f | 2110 | int top_range = |
ab648270 | 2111 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2112 | |
12ba150f | 2113 | if (whole == 0) |
ab648270 | 2114 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2115 | else |
2116 | { | |
2117 | int start = (position * top_range) / whole; | |
2118 | int end = ((position + portion) * top_range) / whole; | |
2119 | ||
ab648270 | 2120 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2121 | } |
f451eb13 JB |
2122 | } |
2123 | ||
ab648270 | 2124 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2125 | } |
2126 | ||
12ba150f | 2127 | |
f451eb13 | 2128 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2129 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2130 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2131 | away is a real pain - "Can you say set-window-configuration, boys |
2132 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2133 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2134 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2135 | |
ab648270 JB |
2136 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2137 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2138 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2139 | static void |
ab648270 | 2140 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2141 | FRAME_PTR frame; |
2142 | { | |
12ba150f JB |
2143 | /* The condemned list should be empty at this point; if it's not, |
2144 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2145 | protocol correctly. */ | |
ab648270 | 2146 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2147 | abort (); |
2148 | ||
2149 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2150 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2151 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2152 | } |
2153 | ||
ab648270 | 2154 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2155 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2156 | static void |
ab648270 | 2157 | XTredeem_scroll_bar (window) |
12ba150f | 2158 | struct window *window; |
f451eb13 | 2159 | { |
ab648270 | 2160 | struct scroll_bar *bar; |
12ba150f | 2161 | |
ab648270 JB |
2162 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2163 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2164 | abort (); |
2165 | ||
ab648270 | 2166 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2167 | |
2168 | /* Unlink it from the condemned list. */ | |
2169 | { | |
2170 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2171 | ||
2172 | if (NILP (bar->prev)) | |
2173 | { | |
2174 | /* If the prev pointer is nil, it must be the first in one of | |
2175 | the lists. */ | |
ab648270 | 2176 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2177 | /* It's not condemned. Everything's fine. */ |
2178 | return; | |
ab648270 JB |
2179 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2180 | window->vertical_scroll_bar)) | |
2181 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2182 | else |
2183 | /* If its prev pointer is nil, it must be at the front of | |
2184 | one or the other! */ | |
2185 | abort (); | |
2186 | } | |
2187 | else | |
ab648270 | 2188 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2189 | |
2190 | if (! NILP (bar->next)) | |
ab648270 | 2191 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2192 | |
ab648270 | 2193 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2194 | bar->prev = Qnil; |
ab648270 | 2195 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2196 | if (! NILP (bar->next)) |
ab648270 | 2197 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2198 | } |
f451eb13 JB |
2199 | } |
2200 | ||
ab648270 JB |
2201 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2202 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2203 | static void |
ab648270 | 2204 | XTjudge_scroll_bars (f) |
12ba150f | 2205 | FRAME_PTR f; |
f451eb13 | 2206 | { |
12ba150f | 2207 | Lisp_Object bar, next; |
f451eb13 | 2208 | |
ab648270 | 2209 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2210 | |
2211 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2212 | more events on the hapless scroll bars. */ |
2213 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2214 | |
2215 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2216 | { |
ab648270 | 2217 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2218 | |
ab648270 | 2219 | x_scroll_bar_remove (b); |
12ba150f JB |
2220 | |
2221 | next = b->next; | |
2222 | b->next = b->prev = Qnil; | |
f451eb13 | 2223 | } |
12ba150f | 2224 | |
ab648270 | 2225 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2226 | and they should get garbage-collected. */ |
f451eb13 JB |
2227 | } |
2228 | ||
2229 | ||
ab648270 JB |
2230 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2231 | ||
2232 | This may be called from a signal handler, so we have to ignore GC | |
2233 | mark bits. */ | |
f451eb13 | 2234 | static void |
ab648270 JB |
2235 | x_scroll_bar_expose (bar, event) |
2236 | struct scroll_bar *bar; | |
f451eb13 JB |
2237 | XEvent *event; |
2238 | { | |
ab648270 | 2239 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2240 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2241 | ||
f451eb13 JB |
2242 | BLOCK_INPUT; |
2243 | ||
ab648270 | 2244 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2245 | |
ab648270 | 2246 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2247 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2248 | |
2249 | /* x, y, width, height */ | |
12ba150f | 2250 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2251 | |
12ba150f JB |
2252 | /* Draw another line to make the extra-thick border on the right. */ |
2253 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2254 | |
12ba150f JB |
2255 | /* x, y, width, height */ |
2256 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2257 | |
2258 | UNBLOCK_INPUT; | |
2259 | } | |
2260 | ||
ab648270 JB |
2261 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2262 | is set to something other than no_event, it is enqueued. | |
2263 | ||
2264 | This may be called from a signal handler, so we have to ignore GC | |
2265 | mark bits. */ | |
f451eb13 | 2266 | static void |
ab648270 JB |
2267 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2268 | struct scroll_bar *bar; | |
f451eb13 JB |
2269 | XEvent *event; |
2270 | struct input_event *emacs_event; | |
2271 | { | |
ab648270 | 2272 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2273 | abort (); |
2274 | ||
ab648270 | 2275 | emacs_event->kind = scroll_bar_click; |
12ba150f | 2276 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 | 2277 | emacs_event->modifiers = |
dfeccd2d | 2278 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
2279 | | (event->type == ButtonRelease |
2280 | ? up_modifier | |
2281 | : down_modifier)); | |
12ba150f | 2282 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2283 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2284 | { |
2285 | int internal_height = | |
ab648270 | 2286 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2287 | int top_range = |
ab648270 JB |
2288 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2289 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2290 | |
2291 | if (y < 0) y = 0; | |
2292 | if (y > top_range) y = top_range; | |
2293 | ||
2294 | if (y < XINT (bar->start)) | |
ab648270 JB |
2295 | emacs_event->part = scroll_bar_above_handle; |
2296 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2297 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2298 | else |
ab648270 | 2299 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2300 | |
2301 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2302 | they want to drag it. Lisp code needs to be able to decide |
2303 | whether or not we're dragging. */ | |
929787e1 | 2304 | #if 0 |
12ba150f JB |
2305 | /* If the user has just clicked on the handle, record where they're |
2306 | holding it. */ | |
2307 | if (event->type == ButtonPress | |
ab648270 | 2308 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 2309 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 2310 | #endif |
12ba150f JB |
2311 | |
2312 | /* If the user has released the handle, set it to its final position. */ | |
2313 | if (event->type == ButtonRelease | |
2314 | && ! NILP (bar->dragging)) | |
2315 | { | |
2316 | int new_start = y - XINT (bar->dragging); | |
2317 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2318 | |
ab648270 | 2319 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2320 | bar->dragging = Qnil; |
2321 | } | |
f451eb13 | 2322 | |
5116f055 JB |
2323 | /* Same deal here as the other #if 0. */ |
2324 | #if 0 | |
12ba150f JB |
2325 | /* Clicks on the handle are always reported as occuring at the top of |
2326 | the handle. */ | |
ab648270 | 2327 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2328 | emacs_event->x = bar->start; |
2329 | else | |
2330 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
2331 | #else |
2332 | XSET (emacs_event->x, Lisp_Int, y); | |
2333 | #endif | |
f451eb13 | 2334 | |
12ba150f JB |
2335 | XSET (emacs_event->y, Lisp_Int, top_range); |
2336 | } | |
2337 | } | |
f451eb13 | 2338 | |
ab648270 JB |
2339 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2340 | ||
2341 | This may be called from a signal handler, so we have to ignore GC | |
2342 | mark bits. */ | |
f451eb13 | 2343 | static void |
ab648270 JB |
2344 | x_scroll_bar_note_movement (bar, event) |
2345 | struct scroll_bar *bar; | |
f451eb13 JB |
2346 | XEvent *event; |
2347 | { | |
2348 | last_mouse_movement_time = event->xmotion.time; | |
2349 | ||
2350 | mouse_moved = 1; | |
ab648270 | 2351 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2352 | |
2353 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2354 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2355 | { |
2356 | /* Where should the handle be now? */ | |
12ba150f | 2357 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2358 | |
12ba150f | 2359 | if (new_start != XINT (bar->start)) |
f451eb13 | 2360 | { |
12ba150f | 2361 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2362 | |
ab648270 | 2363 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2364 | } |
2365 | } | |
2366 | ||
2367 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2368 | moves and we can see *still* on the same position. */ | |
2369 | { | |
2370 | int dummy; | |
2371 | ||
2372 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2373 | (Window *) &dummy, (Window *) &dummy, | |
2374 | &dummy, &dummy, &dummy, &dummy, | |
2375 | (unsigned int *) &dummy); | |
2376 | } | |
2377 | } | |
2378 | ||
12ba150f | 2379 | /* Return information to the user about the current position of the mouse |
ab648270 | 2380 | on the scroll bar. */ |
12ba150f | 2381 | static void |
ab648270 | 2382 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2383 | FRAME_PTR *f; |
2384 | Lisp_Object *bar_window; | |
ab648270 | 2385 | enum scroll_bar_part *part; |
12ba150f JB |
2386 | Lisp_Object *x, *y; |
2387 | unsigned long *time; | |
2388 | { | |
ab648270 | 2389 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 2390 | int win_x, win_y; |
559cb2fb JB |
2391 | Window dummy_window; |
2392 | int dummy_coord; | |
2393 | unsigned int dummy_mask; | |
12ba150f | 2394 | |
cf7cb199 JB |
2395 | BLOCK_INPUT; |
2396 | ||
ab648270 | 2397 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 2398 | report that. */ |
559cb2fb JB |
2399 | if (! XQueryPointer (x_current_display, |
2400 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 2401 | |
559cb2fb JB |
2402 | /* Root, child, root x and root y. */ |
2403 | &dummy_window, &dummy_window, | |
2404 | &dummy_coord, &dummy_coord, | |
12ba150f | 2405 | |
559cb2fb JB |
2406 | /* Position relative to scroll bar. */ |
2407 | &win_x, &win_y, | |
12ba150f | 2408 | |
559cb2fb JB |
2409 | /* Mouse buttons and modifier keys. */ |
2410 | &dummy_mask)) | |
2411 | *f = 0; | |
2412 | else | |
2413 | { | |
2414 | int inside_height | |
2415 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2416 | int top_range | |
2417 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2418 | ||
2419 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
2420 | ||
2421 | if (! NILP (bar->dragging)) | |
2422 | win_y -= XINT (bar->dragging); | |
2423 | ||
2424 | if (win_y < 0) | |
2425 | win_y = 0; | |
2426 | if (win_y > top_range) | |
2427 | win_y = top_range; | |
2428 | ||
2429 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2430 | *bar_window = bar->window; | |
2431 | ||
2432 | if (! NILP (bar->dragging)) | |
2433 | *part = scroll_bar_handle; | |
2434 | else if (win_y < XINT (bar->start)) | |
2435 | *part = scroll_bar_above_handle; | |
2436 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2437 | *part = scroll_bar_handle; | |
2438 | else | |
2439 | *part = scroll_bar_below_handle; | |
12ba150f | 2440 | |
559cb2fb JB |
2441 | XSET (*x, Lisp_Int, win_y); |
2442 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 2443 | |
559cb2fb JB |
2444 | mouse_moved = 0; |
2445 | last_mouse_scroll_bar = Qnil; | |
2446 | } | |
12ba150f | 2447 | |
559cb2fb | 2448 | *time = last_mouse_movement_time; |
cf7cb199 | 2449 | |
cf7cb199 | 2450 | UNBLOCK_INPUT; |
12ba150f JB |
2451 | } |
2452 | ||
f451eb13 | 2453 | |
dbc4e1c1 | 2454 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2455 | background colors, and the scroll bars may need to be redrawn. |
2456 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2457 | redraw them. */ |
2458 | ||
ab648270 | 2459 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2460 | FRAME_PTR f; |
2461 | { | |
2462 | Lisp_Object bar; | |
2463 | ||
ab648270 | 2464 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2465 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2466 | bar = XSCROLL_BAR (bar)->next) |
2467 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2468 | 0, 0, 0, 0, True); |
2469 | } | |
2470 | ||
2471 | ||
f451eb13 JB |
2472 | \f |
2473 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2474 | |
dc6f92b8 JB |
2475 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2476 | but we have to put it out here, since static variables within functions | |
2477 | sometimes don't work. */ | |
2478 | static Time enter_timestamp; | |
2479 | ||
11edeb03 JB |
2480 | /* This holds the state XLookupString needs to implement dead keys |
2481 | and other tricks known as "compose processing". _X Window System_ | |
2482 | says that a portable program can't use this, but Stephen Gildea assures | |
2483 | me that letting the compiler initialize it to zeros will work okay. | |
2484 | ||
2485 | This must be defined outside of XTread_socket, for the same reasons | |
2486 | given for enter_timestamp, above. */ | |
2487 | static XComposeStatus compose_status; | |
2488 | ||
c047688c JA |
2489 | /* Communication with window managers. */ |
2490 | Atom Xatom_wm_protocols; | |
2491 | ||
2492 | /* Kinds of protocol things we may receive. */ | |
2493 | Atom Xatom_wm_take_focus; | |
2494 | Atom Xatom_wm_save_yourself; | |
2495 | Atom Xatom_wm_delete_window; | |
2496 | ||
2497 | /* Other WM communication */ | |
2498 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2499 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2500 | ||
d56a553a RS |
2501 | /* Window manager communication. */ |
2502 | Atom Xatom_wm_change_state; | |
2503 | ||
10e6549c RS |
2504 | /* Record the last 100 characters stored |
2505 | to help debug the loss-of-chars-during-GC problem. */ | |
2506 | int temp_index; | |
2507 | short temp_buffer[100]; | |
2508 | ||
dc6f92b8 JB |
2509 | /* Read events coming from the X server. |
2510 | This routine is called by the SIGIO handler. | |
2511 | We return as soon as there are no more events to be read. | |
2512 | ||
2513 | Events representing keys are stored in buffer BUFP, | |
2514 | which can hold up to NUMCHARS characters. | |
2515 | We return the number of characters stored into the buffer, | |
2516 | thus pretending to be `read'. | |
2517 | ||
2518 | WAITP is nonzero if we should block until input arrives. | |
2519 | EXPECTED is nonzero if the caller knows input is available. */ | |
2520 | ||
7c5283e4 | 2521 | int |
dc6f92b8 JB |
2522 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2523 | register int sd; | |
2524 | register struct input_event *bufp; | |
2525 | register int numchars; | |
2526 | int waitp; | |
2527 | int expected; | |
2528 | { | |
2529 | int count = 0; | |
2530 | int nbytes = 0; | |
2531 | int mask; | |
2532 | int items_pending; /* How many items are in the X queue. */ | |
2533 | XEvent event; | |
f676886a | 2534 | struct frame *f; |
dc6f92b8 JB |
2535 | int event_found; |
2536 | int prefix; | |
2537 | Lisp_Object part; | |
2538 | ||
9ac0d9e0 | 2539 | if (interrupt_input_blocked) |
dc6f92b8 | 2540 | { |
9ac0d9e0 | 2541 | interrupt_input_pending = 1; |
dc6f92b8 JB |
2542 | return -1; |
2543 | } | |
2544 | ||
9ac0d9e0 | 2545 | interrupt_input_pending = 0; |
dc6f92b8 JB |
2546 | BLOCK_INPUT; |
2547 | ||
2548 | if (numchars <= 0) | |
2549 | abort (); /* Don't think this happens. */ | |
2550 | ||
2551 | #ifdef FIOSNBIO | |
2552 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2553 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2554 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2555 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2556 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2557 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2558 | |
2559 | #ifndef SIGIO | |
2560 | #ifndef HAVE_SELECT | |
2561 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2562 | { | |
2563 | extern int read_alarm_should_throw; | |
2564 | read_alarm_should_throw = 1; | |
2565 | XPeekEvent (XDISPLAY &event); | |
2566 | read_alarm_should_throw = 0; | |
2567 | } | |
c118dd06 JB |
2568 | #endif /* HAVE_SELECT */ |
2569 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2570 | |
2571 | while (XStuffPending () != 0) | |
2572 | { | |
2573 | XNextEvent (XDISPLAY &event); | |
2574 | event_found = 1; | |
2575 | ||
2576 | switch (event.type) | |
2577 | { | |
2578 | #ifdef HAVE_X11 | |
c047688c JA |
2579 | case ClientMessage: |
2580 | { | |
2581 | if (event.xclient.message_type == Xatom_wm_protocols | |
2582 | && event.xclient.format == 32) | |
2583 | { | |
2584 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2585 | { | |
f676886a JB |
2586 | f = x_window_to_frame (event.xclient.window); |
2587 | if (f) | |
2588 | x_focus_on_frame (f); | |
ab648270 | 2589 | /* Not certain about handling scroll bars here */ |
c047688c JA |
2590 | } |
2591 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2592 | { | |
2593 | /* Save state modify the WM_COMMAND property to | |
2594 | something which can reinstate us. This notifies | |
2595 | the session manager, who's looking for such a | |
2596 | PropertyNotify. Can restart processing when | |
2597 | a keyboard or mouse event arrives. */ | |
2598 | if (numchars > 0) | |
2599 | { | |
2600 | } | |
2601 | } | |
2602 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2603 | { | |
f676886a | 2604 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2605 | |
f676886a | 2606 | if (f) |
c047688c JA |
2607 | if (numchars > 0) |
2608 | { | |
2609 | } | |
2610 | } | |
2611 | } | |
2612 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2613 | { | |
2614 | } | |
2615 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2616 | { | |
2617 | int new_x, new_y; | |
2618 | ||
4357eba7 JB |
2619 | new_x = event.xclient.data.s[0]; |
2620 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2621 | } |
2622 | } | |
2623 | break; | |
dc6f92b8 | 2624 | |
d56a553a RS |
2625 | #ifdef NEW_SELECTIONS |
2626 | case SelectionNotify: | |
2627 | x_handle_selection_notify (&event); | |
2628 | break; | |
2629 | #endif | |
2630 | ||
dc6f92b8 | 2631 | case SelectionClear: /* Someone has grabbed ownership. */ |
d56a553a RS |
2632 | #ifdef NEW_SELECTIONS |
2633 | { | |
2634 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
2635 | ||
2636 | if (numchars == 0) | |
2637 | abort (); | |
2638 | ||
2639 | bufp->kind = selection_clear_event; | |
2640 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2641 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2642 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2643 | bufp++; | |
2644 | ||
2645 | count += 1; | |
2646 | numchars -= 1; | |
2647 | } | |
2648 | #else | |
dc6f92b8 JB |
2649 | x_disown_selection (event.xselectionclear.window, |
2650 | event.xselectionclear.selection, | |
2651 | event.xselectionclear.time); | |
d56a553a | 2652 | #endif |
dc6f92b8 JB |
2653 | break; |
2654 | ||
2655 | case SelectionRequest: /* Someone wants our selection. */ | |
d56a553a RS |
2656 | #ifdef NEW_SELECTIONS |
2657 | { | |
2658 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
2659 | ||
2660 | if (numchars == 0) | |
2661 | abort (); | |
2662 | ||
2663 | bufp->kind = selection_request_event; | |
2664 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2665 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
2666 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2667 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
2668 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
2669 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2670 | bufp++; | |
2671 | ||
2672 | count += 1; | |
2673 | numchars -= 1; | |
2674 | } | |
2675 | #else | |
dc6f92b8 | 2676 | x_answer_selection_request (event); |
d56a553a | 2677 | #endif |
dc6f92b8 JB |
2678 | break; |
2679 | ||
2680 | case PropertyNotify: | |
d56a553a RS |
2681 | #ifdef NEW_SELECTIONS |
2682 | x_handle_property_notify (&event); | |
2683 | #else | |
28430d3c JB |
2684 | /* If we're being told about a root window property, then it's |
2685 | a cut buffer change. */ | |
2686 | if (event.xproperty.window == ROOT_WINDOW) | |
2687 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2688 | ||
2689 | /* Otherwise, we're probably handling an incremental | |
2690 | selection transmission. */ | |
2691 | else | |
2692 | { | |
2693 | /* If we were to do this synchronously, there'd be no worry | |
2694 | about re-selecting. */ | |
2695 | x_send_incremental (event); | |
2696 | } | |
d56a553a | 2697 | #endif |
dc6f92b8 JB |
2698 | break; |
2699 | ||
3bd330d4 RS |
2700 | case ReparentNotify: |
2701 | f = x_window_to_frame (event.xreparent.window); | |
2702 | if (f) | |
2703 | f->display.x->parent_desc = event.xreparent.parent; | |
2704 | break; | |
2705 | ||
dc6f92b8 | 2706 | case Expose: |
f676886a JB |
2707 | f = x_window_to_frame (event.xexpose.window); |
2708 | if (f) | |
dc6f92b8 | 2709 | { |
3a88c238 | 2710 | if (f->async_visible == 0) |
dc6f92b8 | 2711 | { |
3a88c238 JB |
2712 | f->async_visible = 1; |
2713 | f->async_iconified = 0; | |
f676886a | 2714 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2715 | } |
2716 | else | |
f451eb13 JB |
2717 | { |
2718 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2719 | event.xexpose.x, event.xexpose.y, | |
2720 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2721 | } |
2722 | } | |
2723 | else | |
2724 | { | |
ab648270 JB |
2725 | struct scroll_bar *bar |
2726 | = x_window_to_scroll_bar (event.xexpose.window); | |
f451eb13 JB |
2727 | |
2728 | if (bar) | |
ab648270 | 2729 | x_scroll_bar_expose (bar, &event); |
dc6f92b8 JB |
2730 | } |
2731 | break; | |
2732 | ||
2733 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2734 | source area was obscured or not | |
2735 | available.*/ | |
f451eb13 JB |
2736 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2737 | if (f) | |
2738 | { | |
2739 | dumprectangle (f, | |
2740 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2741 | event.xgraphicsexpose.width, | |
2742 | event.xgraphicsexpose.height); | |
f451eb13 | 2743 | } |
dc6f92b8 JB |
2744 | break; |
2745 | ||
2746 | case NoExpose: /* This occurs when an XCopyArea's | |
2747 | source area was completely | |
2748 | available */ | |
2749 | break; | |
c118dd06 | 2750 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2751 | case ExposeWindow: |
2752 | if (event.subwindow != 0) | |
2753 | break; /* duplicate event */ | |
f676886a JB |
2754 | f = x_window_to_frame (event.window); |
2755 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2756 | { |
f676886a | 2757 | refreshicon (f); |
3a88c238 | 2758 | f->async_iconified = 1; |
dc6f92b8 | 2759 | } |
c118dd06 | 2760 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2761 | { |
2762 | /* Say must check all windows' needs_exposure flags. */ | |
2763 | expose_all_windows = 1; | |
f676886a | 2764 | f->display.x->needs_exposure = 1; |
3a88c238 | 2765 | f->async_visible = 1; |
dc6f92b8 JB |
2766 | } |
2767 | break; | |
2768 | ||
2769 | case ExposeRegion: | |
2770 | if (event.subwindow != 0) | |
2771 | break; /* duplicate event */ | |
f676886a JB |
2772 | f = x_window_to_frame (event.window); |
2773 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2774 | { |
f676886a | 2775 | refreshicon (f); |
dc6f92b8 JB |
2776 | break; |
2777 | } | |
2778 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2779 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2780 | break; |
2781 | /* Put the event on the queue of rectangles to redraw. */ | |
2782 | if (enqueue_event (&event, &x_expose_queue)) | |
2783 | /* If it is full, we can't record the rectangle, | |
2784 | so redraw this entire window. */ | |
2785 | { | |
2786 | /* Say must check all windows' needs_exposure flags. */ | |
2787 | expose_all_windows = 1; | |
f676886a | 2788 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2789 | } |
2790 | break; | |
2791 | ||
2792 | case ExposeCopy: | |
2793 | /* This should happen only when we are expecting it, | |
2794 | in x_read_exposes. */ | |
2795 | abort (); | |
c118dd06 | 2796 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2797 | |
2798 | #ifdef HAVE_X11 | |
2799 | case UnmapNotify: | |
f451eb13 JB |
2800 | f = x_window_to_frame (event.xunmap.window); |
2801 | if (f) /* F may no longer exist if | |
f676886a | 2802 | the frame was deleted. */ |
f451eb13 JB |
2803 | { |
2804 | /* While a frame is unmapped, display generation is | |
2805 | disabled; you don't want to spend time updating a | |
2806 | display that won't ever be seen. */ | |
2807 | f->async_visible = 0; | |
2808 | } | |
dc6f92b8 JB |
2809 | break; |
2810 | ||
2811 | case MapNotify: | |
f676886a JB |
2812 | f = x_window_to_frame (event.xmap.window); |
2813 | if (f) | |
dc6f92b8 | 2814 | { |
3a88c238 JB |
2815 | f->async_visible = 1; |
2816 | f->async_iconified = 0; | |
dc6f92b8 JB |
2817 | |
2818 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2819 | the frame's display structures. */ |
2820 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2821 | } |
2822 | break; | |
2823 | ||
2824 | /* Turn off processing if we become fully obscured. */ | |
2825 | case VisibilityNotify: | |
2826 | break; | |
2827 | ||
c118dd06 | 2828 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2829 | case UnmapWindow: |
f676886a JB |
2830 | f = x_window_to_frame (event.window); |
2831 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2832 | f->async_iconified = 0; |
c118dd06 | 2833 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2834 | f->async_visible = 0; |
dc6f92b8 | 2835 | break; |
c118dd06 | 2836 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2837 | |
2838 | #ifdef HAVE_X11 | |
2839 | case KeyPress: | |
f676886a | 2840 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2841 | |
f676886a | 2842 | if (f != 0) |
dc6f92b8 JB |
2843 | { |
2844 | KeySym keysym; | |
dc6f92b8 | 2845 | char copy_buffer[80]; |
64bb1782 RS |
2846 | int modifiers; |
2847 | ||
dfeccd2d JB |
2848 | event.xkey.state |
2849 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 2850 | modifiers = event.xkey.state; |
3a2712f9 | 2851 | |
11edeb03 | 2852 | /* This will have to go some day... */ |
752a043f JB |
2853 | |
2854 | /* make_lispy_event turns chars into control chars. | |
2855 | Don't do it here because XLookupString is too eager. */ | |
2856 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
2857 | nbytes = |
2858 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2859 | &compose_status); | |
dc6f92b8 | 2860 | |
55123275 JB |
2861 | /* Strip off the vendor-specific keysym bit, and take a shot |
2862 | at recognizing the codes. HP servers have extra keysyms | |
2863 | that fit into the MiscFunctionKey category. */ | |
2864 | keysym &= ~(1<<28); | |
2865 | ||
dc6f92b8 JB |
2866 | if (numchars > 1) |
2867 | { | |
a3c44b14 RS |
2868 | if ((keysym >= XK_BackSpace && keysym <= XK_Escape) |
2869 | || keysym == XK_Delete | |
2870 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
55123275 JB |
2871 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < 0xff80 */ |
2872 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ | |
2873 | || IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */ | |
dc6f92b8 | 2874 | { |
10e6549c RS |
2875 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2876 | temp_index = 0; | |
2877 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 2878 | bufp->kind = non_ascii_keystroke; |
a3c44b14 | 2879 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff00); |
12ba150f | 2880 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 2881 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 2882 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2883 | bufp++; |
2884 | count++; | |
2885 | numchars--; | |
2886 | } | |
2887 | else if (numchars > nbytes) | |
2888 | { | |
2889 | register int i; | |
2890 | ||
10e6549c | 2891 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 2892 | { |
10e6549c RS |
2893 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2894 | temp_index = 0; | |
2895 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 2896 | bufp->kind = ascii_keystroke; |
10e6549c | 2897 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); |
12ba150f | 2898 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 2899 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 2900 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2901 | bufp++; |
2902 | } | |
dc6f92b8 JB |
2903 | |
2904 | count += nbytes; | |
2905 | numchars -= nbytes; | |
2906 | } | |
10e6549c RS |
2907 | else |
2908 | abort (); | |
dc6f92b8 | 2909 | } |
10e6549c RS |
2910 | else |
2911 | abort (); | |
dc6f92b8 JB |
2912 | } |
2913 | break; | |
c118dd06 | 2914 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2915 | case KeyPressed: |
2916 | { | |
2917 | register char *where_mapping; | |
2918 | ||
f676886a | 2919 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2920 | /* Ignore keys typed on icon windows. */ |
f676886a | 2921 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2922 | break; |
2923 | where_mapping = XLookupMapping (&event, &nbytes); | |
2924 | /* Nasty fix for arrow keys */ | |
2925 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2926 | { | |
2927 | switch (event.detail & 0xff) | |
2928 | { | |
2929 | case KC_CURSOR_LEFT: | |
2930 | where_mapping = "\002"; | |
2931 | break; | |
2932 | case KC_CURSOR_RIGHT: | |
2933 | where_mapping = "\006"; | |
2934 | break; | |
2935 | case KC_CURSOR_UP: | |
2936 | where_mapping = "\020"; | |
2937 | break; | |
2938 | case KC_CURSOR_DOWN: | |
2939 | where_mapping = "\016"; | |
2940 | break; | |
2941 | } | |
2942 | nbytes = 1; | |
2943 | } | |
2944 | if (numchars - nbytes > 0) | |
2945 | { | |
2946 | register int i; | |
2947 | ||
2948 | for (i = 0; i < nbytes; i++) | |
2949 | { | |
2950 | bufp->kind = ascii_keystroke; | |
2951 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2952 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 2953 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
2954 | bufp++; |
2955 | } | |
2956 | count += nbytes; | |
2957 | numchars -= nbytes; | |
2958 | } | |
2959 | } | |
2960 | break; | |
c118dd06 | 2961 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2962 | |
2963 | #ifdef HAVE_X11 | |
f451eb13 JB |
2964 | |
2965 | /* Here's a possible interpretation of the whole | |
2966 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
2967 | FocusIn event, you have to get a FocusOut event before you | |
2968 | relinquish the focus. If you haven't received a FocusIn event, | |
2969 | then a mere LeaveNotify is enough to free you. */ | |
2970 | ||
dc6f92b8 | 2971 | case EnterNotify: |
f676886a | 2972 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 2973 | |
f451eb13 | 2974 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 2975 | { |
dc6f92b8 | 2976 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
2977 | if (f && (!(f->auto_raise) |
2978 | || !(f->auto_lower) | |
dc6f92b8 JB |
2979 | || (event.xcrossing.time - enter_timestamp) > 500)) |
2980 | { | |
f676886a | 2981 | x_new_focus_frame (f); |
dc6f92b8 JB |
2982 | enter_timestamp = event.xcrossing.time; |
2983 | } | |
dc6f92b8 | 2984 | } |
f676886a JB |
2985 | else if (f == x_focus_frame) |
2986 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2987 | |
2988 | break; | |
2989 | ||
2990 | case FocusIn: | |
f676886a | 2991 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2992 | if (event.xfocus.detail != NotifyPointer) |
2993 | x_focus_event_frame = f; | |
f676886a JB |
2994 | if (f) |
2995 | x_new_focus_frame (f); | |
dc6f92b8 JB |
2996 | break; |
2997 | ||
f451eb13 | 2998 | |
dc6f92b8 | 2999 | case LeaveNotify: |
f451eb13 | 3000 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 3001 | |
f451eb13 JB |
3002 | if (event.xcrossing.focus) |
3003 | { | |
3004 | if (! x_focus_event_frame) | |
3005 | x_new_focus_frame (0); | |
3006 | else | |
f676886a | 3007 | x_new_focus_frame (f); |
f451eb13 JB |
3008 | } |
3009 | else | |
3010 | { | |
3011 | if (f == x_focus_event_frame) | |
3012 | x_focus_event_frame = 0; | |
3013 | if (f == x_focus_frame) | |
f676886a | 3014 | x_new_focus_frame (0); |
dc6f92b8 JB |
3015 | } |
3016 | break; | |
3017 | ||
3018 | case FocusOut: | |
f676886a | 3019 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3020 | if (event.xfocus.detail != NotifyPointer |
3021 | && f == x_focus_event_frame) | |
3022 | x_focus_event_frame = 0; | |
f676886a JB |
3023 | if (f && f == x_focus_frame) |
3024 | x_new_focus_frame (0); | |
dc6f92b8 JB |
3025 | break; |
3026 | ||
c118dd06 | 3027 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3028 | |
3029 | case EnterWindow: | |
3030 | if ((event.detail & 0xFF) == 1) | |
3031 | break; /* Coming from our own subwindow */ | |
3032 | if (event.subwindow != 0) | |
3033 | break; /* Entering our own subwindow. */ | |
3034 | ||
3035 | { | |
f676886a JB |
3036 | f = x_window_to_frame (event.window); |
3037 | x_mouse_frame = f; | |
dc6f92b8 | 3038 | |
f676886a | 3039 | x_new_focus_frame (f); |
dc6f92b8 JB |
3040 | } |
3041 | break; | |
3042 | ||
3043 | case LeaveWindow: | |
3044 | if ((event.detail & 0xFF) == 1) | |
3045 | break; /* Entering our own subwindow */ | |
3046 | if (event.subwindow != 0) | |
3047 | break; /* Leaving our own subwindow. */ | |
3048 | ||
f676886a JB |
3049 | x_mouse_frame = 0; |
3050 | if (x_focus_frame == 0 | |
3051 | && x_input_frame != 0 | |
3052 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 3053 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 3054 | { |
f676886a JB |
3055 | f = x_input_frame; |
3056 | x_input_frame = 0; | |
3057 | if (f) | |
3058 | frame_unhighlight (f); | |
dc6f92b8 JB |
3059 | } |
3060 | break; | |
c118dd06 | 3061 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3062 | |
3063 | #ifdef HAVE_X11 | |
3064 | case MotionNotify: | |
3065 | { | |
f676886a JB |
3066 | f = x_window_to_frame (event.xmotion.window); |
3067 | if (f) | |
12ba150f | 3068 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 3069 | else |
dc6f92b8 | 3070 | { |
ab648270 JB |
3071 | struct scroll_bar *bar = |
3072 | x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3073 | |
3074 | if (bar) | |
ab648270 | 3075 | x_scroll_bar_note_movement (bar, &event); |
dc6f92b8 | 3076 | } |
dc6f92b8 JB |
3077 | } |
3078 | break; | |
3079 | ||
3080 | case ConfigureNotify: | |
dbc4e1c1 JB |
3081 | f = x_window_to_frame (event.xconfigure.window); |
3082 | if (f) | |
3083 | { | |
3084 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3085 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3086 | ||
3087 | /* Even if the number of character rows and columns has | |
3088 | not changed, the font size may have changed, so we need | |
3089 | to check the pixel dimensions as well. */ | |
3090 | if (columns != f->width | |
3091 | || rows != f->height | |
3092 | || event.xconfigure.width != f->display.x->pixel_width | |
3093 | || event.xconfigure.height != f->display.x->pixel_height) | |
3094 | { | |
3095 | change_frame_size (f, rows, columns, 0, 1); | |
3096 | SET_FRAME_GARBAGED (f); | |
3097 | } | |
dc6f92b8 | 3098 | |
3bd330d4 | 3099 | if (! event.xconfigure.send_event) |
af395ec1 RS |
3100 | { |
3101 | Window win, child; | |
3102 | int win_x, win_y; | |
3103 | ||
3bd330d4 RS |
3104 | /* Coords are relative to the parent. |
3105 | Convert them to root-relative. */ | |
af395ec1 RS |
3106 | XTranslateCoordinates (x_current_display, |
3107 | ||
3108 | /* From-window, to-window. */ | |
3bd330d4 RS |
3109 | f->display.x->parent_desc, |
3110 | ROOT_WINDOW, | |
af395ec1 RS |
3111 | |
3112 | /* From-position, to-position. */ | |
3113 | event.xconfigure.x, | |
3114 | event.xconfigure.y, | |
3115 | &win_x, &win_y, | |
3116 | ||
3117 | /* Child of win. */ | |
3118 | &child); | |
3119 | event.xconfigure.x = win_x; | |
3120 | event.xconfigure.y = win_y; | |
3121 | } | |
3122 | ||
dbc4e1c1 JB |
3123 | f->display.x->pixel_width = event.xconfigure.width; |
3124 | f->display.x->pixel_height = event.xconfigure.height; | |
3125 | f->display.x->left_pos = event.xconfigure.x; | |
3126 | f->display.x->top_pos = event.xconfigure.y; | |
3127 | } | |
3128 | break; | |
dc6f92b8 JB |
3129 | |
3130 | case ButtonPress: | |
3131 | case ButtonRelease: | |
3132 | { | |
3133 | /* If we decide we want to generate an event to be seen | |
3134 | by the rest of Emacs, we put it here. */ | |
3135 | struct input_event emacs_event; | |
3136 | emacs_event.kind = no_event; | |
3137 | ||
f676886a JB |
3138 | f = x_window_to_frame (event.xbutton.window); |
3139 | if (f) | |
f451eb13 JB |
3140 | { |
3141 | if (!x_focus_frame || (f == x_focus_frame)) | |
3142 | construct_mouse_click (&emacs_event, | |
b10fd412 | 3143 | &event, f); |
f451eb13 | 3144 | } |
dc6f92b8 | 3145 | else |
f451eb13 | 3146 | { |
ab648270 JB |
3147 | struct scroll_bar *bar = |
3148 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3149 | |
3150 | if (bar) | |
ab648270 | 3151 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
f451eb13 | 3152 | } |
dc6f92b8 JB |
3153 | |
3154 | if (numchars >= 1 && emacs_event.kind != no_event) | |
3155 | { | |
3156 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3157 | bufp++; | |
3158 | count++; | |
3159 | numchars--; | |
3160 | } | |
3161 | } | |
3162 | break; | |
3163 | ||
c118dd06 | 3164 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3165 | case ButtonPressed: |
3166 | case ButtonReleased: | |
f676886a JB |
3167 | f = x_window_to_frame (event.window); |
3168 | if (f) | |
dc6f92b8 | 3169 | { |
f676886a | 3170 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 3171 | { |
f676886a | 3172 | x_make_frame_visible (f); |
dc6f92b8 JB |
3173 | |
3174 | if (warp_mouse_on_deiconify) | |
c118dd06 | 3175 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
3176 | break; |
3177 | } | |
c118dd06 | 3178 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 3179 | { |
f676886a JB |
3180 | if (f->auto_raise) |
3181 | x_raise_frame (f); | |
dc6f92b8 JB |
3182 | } |
3183 | } | |
3184 | enqueue_event (&event, &x_mouse_queue); | |
3185 | if (numchars >= 2) | |
3186 | { | |
3187 | bufp->kind = ascii_keystroke; | |
3188 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 3189 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3190 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3191 | bufp++; |
3192 | ||
3193 | bufp->kind = ascii_keystroke; | |
3194 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 3195 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3196 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3197 | bufp++; |
3198 | ||
3199 | count += 2; | |
3200 | numchars -= 2; | |
3201 | } | |
3202 | break; | |
c118dd06 | 3203 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3204 | |
3205 | #ifdef HAVE_X11 | |
3206 | ||
3207 | case CirculateNotify: | |
3208 | break; | |
3209 | case CirculateRequest: | |
3210 | break; | |
3211 | ||
c118dd06 | 3212 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3213 | |
3214 | case MappingNotify: | |
11edeb03 JB |
3215 | /* Someone has changed the keyboard mapping - update the |
3216 | local cache. */ | |
3217 | switch (event.xmapping.request) | |
3218 | { | |
3219 | case MappingModifier: | |
3220 | x_find_modifier_meanings (); | |
3221 | /* This is meant to fall through. */ | |
3222 | case MappingKeyboard: | |
3223 | XRefreshKeyboardMapping (&event.xmapping); | |
3224 | } | |
dc6f92b8 JB |
3225 | break; |
3226 | ||
3227 | default: | |
3228 | break; | |
3229 | } | |
3230 | } | |
3231 | ||
3232 | #if 0 | |
3233 | #ifdef HAVE_SELECT | |
3234 | if (expected && ! event_found) | |
3235 | { | |
3236 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3237 | there is an EOF condition; in other words, that X has died. | |
3238 | Act as if there had been a hangup. */ | |
3239 | ||
3240 | int fd = ConnectionNumber (x_current_display); | |
3241 | int mask = 1 << fd; | |
3242 | ||
3243 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 3244 | (EMACS_TIME) 0) |
dc6f92b8 JB |
3245 | && !XStuffPending ()) |
3246 | kill (getpid (), SIGHUP); | |
3247 | } | |
c118dd06 JB |
3248 | #endif /* ! defined (HAVE_SELECT) */ |
3249 | #endif /* ! 0 */ | |
dc6f92b8 | 3250 | |
f451eb13 | 3251 | #ifndef HAVE_X11 |
f676886a | 3252 | if (updating_frame == 0) |
dc6f92b8 | 3253 | x_do_pending_expose (); |
f451eb13 | 3254 | #endif |
dc6f92b8 JB |
3255 | |
3256 | UNBLOCK_INPUT; | |
3257 | return count; | |
3258 | } | |
3259 | ||
3260 | #ifndef HAVE_X11 | |
3261 | /* Read and process only Expose events | |
3262 | until we get an ExposeCopy event; then return. | |
3263 | This is used in insert/delete line. | |
3264 | We assume input is already blocked. */ | |
3265 | ||
3266 | static void | |
3267 | x_read_exposes () | |
3268 | { | |
f676886a | 3269 | struct frame *f; |
dc6f92b8 JB |
3270 | XKeyPressedEvent event; |
3271 | ||
3272 | while (1) | |
3273 | { | |
3274 | /* while there are more events*/ | |
3275 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3276 | switch (event.type) | |
3277 | { | |
3278 | case ExposeWindow: | |
3279 | if (event.subwindow != 0) | |
3280 | break; /* duplicate event */ | |
f676886a JB |
3281 | f = x_window_to_frame (event.window); |
3282 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3283 | { |
f676886a | 3284 | refreshicon (f); |
dc6f92b8 JB |
3285 | break; |
3286 | } | |
c118dd06 | 3287 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3288 | { |
3289 | expose_all_windows = 1; | |
f676886a | 3290 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3291 | break; |
3292 | } | |
3293 | break; | |
3294 | ||
3295 | case ExposeRegion: | |
3296 | if (event.subwindow != 0) | |
3297 | break; /* duplicate event */ | |
f676886a JB |
3298 | f = x_window_to_frame (event.window); |
3299 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3300 | { |
f676886a | 3301 | refreshicon (f); |
dc6f92b8 JB |
3302 | break; |
3303 | } | |
3304 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3305 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3306 | break; |
3307 | /* Put the event on the queue of rectangles to redraw. */ | |
3308 | if (enqueue_event (&event, &x_expose_queue)) | |
3309 | /* If it is full, we can't record the rectangle, | |
3310 | so redraw this entire window. */ | |
3311 | { | |
3312 | /* Say must check all windows' needs_exposure flags. */ | |
3313 | expose_all_windows = 1; | |
f676886a | 3314 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3315 | } |
3316 | break; | |
3317 | ||
3318 | case ExposeCopy: | |
3319 | return; | |
3320 | } | |
3321 | } | |
3322 | } | |
3323 | #endif /* HAVE_X11 */ | |
3324 | ||
dc6f92b8 | 3325 | \f |
f451eb13 JB |
3326 | /* Drawing the cursor. */ |
3327 | ||
3328 | ||
dc6f92b8 JB |
3329 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3330 | ||
3331 | static void | |
f676886a JB |
3332 | x_draw_box (f) |
3333 | struct frame *f; | |
dc6f92b8 | 3334 | { |
12ba150f JB |
3335 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3336 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3337 | int width = FONT_WIDTH (f->display.x->font); |
3338 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3339 | |
3340 | #ifdef HAVE_X11 | |
c118dd06 | 3341 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3342 | f->display.x->cursor_gc, |
dc6f92b8 | 3343 | left, top, width - 1, height - 1); |
c118dd06 JB |
3344 | #else /* ! defined (HAVE_X11) */ |
3345 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3346 | left, top, width, 1, |
f676886a | 3347 | f->display.x->cursor_pixel); |
dc6f92b8 | 3348 | |
c118dd06 | 3349 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3350 | left, top, 1, height, |
f676886a | 3351 | f->display.x->cursor_pixel); |
dc6f92b8 | 3352 | |
c118dd06 | 3353 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3354 | left+width-1, top, 1, height, |
f676886a | 3355 | f->display.x->cursor_pixel); |
dc6f92b8 | 3356 | |
c118dd06 | 3357 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3358 | left, top+height-1, width, 1, |
f676886a | 3359 | f->display.x->cursor_pixel); |
c118dd06 | 3360 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3361 | } |
3362 | ||
f676886a | 3363 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3364 | and mark the cursor as not shown. |
3365 | This is used when the text where the cursor is | |
3366 | is about to be rewritten. */ | |
3367 | ||
3368 | static void | |
f676886a JB |
3369 | clear_cursor (f) |
3370 | struct frame *f; | |
dc6f92b8 JB |
3371 | { |
3372 | int mask; | |
3373 | ||
f451eb13 | 3374 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3375 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3376 | return; |
3377 | ||
3378 | #ifdef HAVE_X11 | |
f676886a | 3379 | x_display_cursor (f, 0); |
c118dd06 JB |
3380 | #else /* ! defined (HAVE_X11) */ |
3381 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3382 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3383 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3384 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3385 | f->display.x->background_pixel); | |
c118dd06 | 3386 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3387 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3388 | } |
3389 | ||
f676886a | 3390 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3391 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3392 | glyph drawn. */ | |
dc6f92b8 JB |
3393 | |
3394 | static void | |
f676886a JB |
3395 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3396 | struct frame *f; | |
dc6f92b8 | 3397 | int row, column; |
90e65f07 | 3398 | GLYPH glyph; |
dc6f92b8 JB |
3399 | int highlight; |
3400 | { | |
f676886a | 3401 | dumpglyphs (f, |
12ba150f JB |
3402 | CHAR_TO_PIXEL_COL (f, column), |
3403 | CHAR_TO_PIXEL_ROW (f, row), | |
07e34cb0 | 3404 | &glyph, 1, highlight); |
dc6f92b8 JB |
3405 | } |
3406 | ||
dc6f92b8 | 3407 | static void |
dbc4e1c1 | 3408 | x_display_bar_cursor (f, on) |
f676886a | 3409 | struct frame *f; |
dc6f92b8 JB |
3410 | int on; |
3411 | { | |
f676886a | 3412 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3413 | |
49d838ea JB |
3414 | /* This is pointless on invisible frames, and dangerous on garbaged |
3415 | frames; in the latter case, the frame may be in the midst of | |
3416 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3417 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
3418 | return; |
3419 | ||
3420 | if (! on && f->phys_cursor_x < 0) | |
3421 | return; | |
3422 | ||
f676886a | 3423 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3424 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3425 | if (f != updating_frame) |
1113d9db | 3426 | { |
f676886a JB |
3427 | curs_x = FRAME_CURSOR_X (f); |
3428 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3429 | } |
3430 | ||
dbc4e1c1 JB |
3431 | /* If there is anything wrong with the current cursor state, remove it. */ |
3432 | if (f->phys_cursor_x >= 0 | |
3433 | && (!on | |
3434 | || f->phys_cursor_x != curs_x | |
3435 | || f->phys_cursor_y != curs_y | |
3436 | || f->display.x->current_cursor != bar_cursor)) | |
3437 | { | |
3438 | /* Erase the cursor by redrawing the character underneath it. */ | |
3439 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3440 | f->phys_cursor_glyph, | |
3441 | current_glyphs->highlight[f->phys_cursor_y]); | |
3442 | f->phys_cursor_x = -1; | |
3443 | } | |
3444 | ||
3445 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3446 | if (on | |
3447 | && (f->phys_cursor_x < 0 | |
3448 | || (f->display.x->current_cursor != bar_cursor))) | |
3449 | { | |
3450 | f->phys_cursor_glyph | |
3451 | = ((current_glyphs->enable[curs_y] | |
3452 | && curs_x < current_glyphs->used[curs_y]) | |
3453 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3454 | : SPACEGLYPH); | |
3455 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3456 | f->display.x->cursor_gc, | |
3457 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3458 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3459 | 1, FONT_HEIGHT (f->display.x->font)); | |
3460 | ||
3461 | f->phys_cursor_x = curs_x; | |
3462 | f->phys_cursor_y = curs_y; | |
3463 | ||
3464 | f->display.x->current_cursor = bar_cursor; | |
3465 | } | |
3466 | ||
3467 | if (updating_frame != f) | |
3468 | XFlushQueue (); | |
3469 | } | |
3470 | ||
3471 | ||
3472 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3473 | If ON is nonzero, where to put the cursor is specified | |
3474 | by F->cursor_x and F->cursor_y. */ | |
3475 | ||
3476 | static void | |
3477 | x_display_box_cursor (f, on) | |
3478 | struct frame *f; | |
3479 | int on; | |
3480 | { | |
3481 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3482 | ||
49d838ea JB |
3483 | /* This is pointless on invisible frames, and dangerous on garbaged |
3484 | frames; in the latter case, the frame may be in the midst of | |
3485 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3486 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
3487 | return; |
3488 | ||
3489 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3490 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3491 | return; |
3492 | ||
dbc4e1c1 JB |
3493 | /* If we're not updating, then we want to use the current frame's |
3494 | cursor position, not our local idea of where the cursor ought to be. */ | |
3495 | if (f != updating_frame) | |
3496 | { | |
3497 | curs_x = FRAME_CURSOR_X (f); | |
3498 | curs_y = FRAME_CURSOR_Y (f); | |
3499 | } | |
3500 | ||
dc6f92b8 JB |
3501 | /* If cursor is currently being shown and we don't want it to be |
3502 | or it is in the wrong place, | |
3503 | or we want a hollow box and it's not so, (pout!) | |
3504 | erase it. */ | |
f676886a | 3505 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3506 | && (!on |
f676886a JB |
3507 | || f->phys_cursor_x != curs_x |
3508 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3509 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3510 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3511 | { |
3512 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3513 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3514 | f->phys_cursor_glyph, | |
3515 | current_glyphs->highlight[f->phys_cursor_y]); | |
3516 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3517 | } |
3518 | ||
3519 | /* If we want to show a cursor, | |
3520 | or we want a box cursor and it's not so, | |
3521 | write it in the right place. */ | |
3522 | if (on | |
f676886a | 3523 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3524 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3525 | && f == x_highlight_frame))) |
dc6f92b8 | 3526 | { |
f676886a | 3527 | f->phys_cursor_glyph |
1113d9db JB |
3528 | = ((current_glyphs->enable[curs_y] |
3529 | && curs_x < current_glyphs->used[curs_y]) | |
3530 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3531 | : SPACEGLYPH); |
f676886a | 3532 | if (f != x_highlight_frame) |
dc6f92b8 | 3533 | { |
f676886a | 3534 | x_draw_box (f); |
dbc4e1c1 | 3535 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3536 | } |
3537 | else | |
3538 | { | |
f676886a JB |
3539 | x_draw_single_glyph (f, curs_y, curs_x, |
3540 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3541 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3542 | } |
3543 | ||
f676886a JB |
3544 | f->phys_cursor_x = curs_x; |
3545 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3546 | } |
3547 | ||
f676886a | 3548 | if (updating_frame != f) |
dc6f92b8 JB |
3549 | XFlushQueue (); |
3550 | } | |
3551 | ||
f676886a JB |
3552 | x_display_cursor (f, on) |
3553 | struct frame *f; | |
dc6f92b8 JB |
3554 | int on; |
3555 | { | |
dbc4e1c1 | 3556 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3557 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3558 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3559 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3560 | else |
3561 | /* Those are the only two we have implemented! */ | |
3562 | abort (); | |
dc6f92b8 JB |
3563 | } |
3564 | \f | |
3565 | /* Icons. */ | |
3566 | ||
f676886a | 3567 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3568 | when we get an expose event for it. */ |
3569 | ||
f676886a JB |
3570 | refreshicon (f) |
3571 | struct frame *f; | |
dc6f92b8 JB |
3572 | { |
3573 | #ifdef HAVE_X11 | |
3574 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3575 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3576 | int mask; |
3577 | ||
f676886a JB |
3578 | if (f->display.x->icon_bitmap_flag) |
3579 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3580 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3581 | icon_bitmap, GXcopy, AllPlanes); | |
3582 | else | |
3583 | { | |
f676886a | 3584 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3585 | struct Lisp_String *str; |
3586 | unsigned char *string; | |
3587 | ||
3588 | string | |
f676886a | 3589 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3590 | |
f676886a | 3591 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3592 | { |
f676886a JB |
3593 | f->display.x->icon_label = string; |
3594 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3595 | XQueryWidth (string, icon_font_info->id) + 10, |
3596 | icon_font_info->height + 10); | |
3597 | } | |
3598 | ||
f676886a | 3599 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3600 | str->size, icon_font_info->id, |
3601 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3602 | } | |
3603 | XFlushQueue (); | |
c118dd06 | 3604 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3605 | } |
3606 | ||
dbc4e1c1 | 3607 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
3608 | |
3609 | int | |
f676886a JB |
3610 | x_bitmap_icon (f) |
3611 | struct frame *f; | |
dc6f92b8 JB |
3612 | { |
3613 | int mask; | |
3614 | Window icon_window; | |
3615 | ||
c118dd06 | 3616 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3617 | return 1; |
3618 | ||
3619 | #ifdef HAVE_X11 | |
3620 | if (icon_bitmap) | |
3621 | XFreePixmap (x_current_display, icon_bitmap); | |
3622 | ||
3623 | icon_bitmap = | |
c118dd06 | 3624 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3625 | gnu_bits, gnu_width, gnu_height); |
f676886a JB |
3626 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3627 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3628 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3629 | if (f->display.x->icon_desc) |
dc6f92b8 | 3630 | { |
c118dd06 | 3631 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3632 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3633 | } |
3634 | ||
f676886a | 3635 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3636 | 0, 0, sink_width, sink_height, |
3637 | 2, WhitePixmap, (Pixmap) NULL); | |
3638 | ||
3639 | if (icon_window == 0) | |
3640 | return 1; | |
3641 | ||
c118dd06 | 3642 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3643 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3644 | ||
f676886a JB |
3645 | f->display.x->icon_desc = icon_window; |
3646 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3647 | |
3648 | if (icon_bitmap == 0) | |
3649 | icon_bitmap | |
3650 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3651 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3652 | |
3653 | return 0; | |
3654 | } | |
3655 | ||
3656 | ||
f676886a | 3657 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3658 | |
3659 | int | |
f676886a JB |
3660 | x_text_icon (f, icon_name) |
3661 | struct frame *f; | |
dc6f92b8 JB |
3662 | char *icon_name; |
3663 | { | |
3664 | #ifndef HAVE_X11 | |
3665 | int mask; | |
3666 | int width; | |
3667 | Window icon_window; | |
3668 | char *X_DefaultValue; | |
3669 | Bitmap b1; | |
3670 | ||
dc6f92b8 JB |
3671 | #ifndef WhitePixel |
3672 | #define WhitePixel 1 | |
c118dd06 | 3673 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3674 | |
3675 | #ifndef BlackPixel | |
3676 | #define BlackPixel 0 | |
c118dd06 JB |
3677 | #endif /* BlackPixel */ |
3678 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3679 | |
c118dd06 | 3680 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3681 | return 1; |
3682 | ||
dc6f92b8 JB |
3683 | #ifdef HAVE_X11 |
3684 | if (icon_name) | |
f676886a | 3685 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3686 | else |
f676886a JB |
3687 | if (! f->display.x->icon_label) |
3688 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3689 | |
dfeccd2d | 3690 | #if 0 |
c118dd06 | 3691 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3692 | (char *) f->display.x->icon_label); |
dfeccd2d | 3693 | #endif |
dc6f92b8 | 3694 | |
f676886a | 3695 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3696 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3697 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
3698 | if (icon_font_info == 0) |
3699 | icon_font_info | |
3700 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 3701 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
3702 | "BodyFont")); |
3703 | ||
f676886a | 3704 | if (f->display.x->icon_desc) |
dc6f92b8 | 3705 | { |
c118dd06 | 3706 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3707 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3708 | } |
3709 | ||
3710 | if (icon_name) | |
f676886a | 3711 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3712 | else |
f676886a JB |
3713 | if (! f->display.x->icon_label) |
3714 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3715 | |
f676886a JB |
3716 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3717 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3718 | f->display.x->left_pos, | |
3719 | f->display.x->top_pos, | |
dc6f92b8 JB |
3720 | width + 10, icon_font_info->height + 10, |
3721 | 2, BlackPixmap, WhitePixmap); | |
3722 | ||
3723 | if (icon_window == 0) | |
3724 | return 1; | |
3725 | ||
c118dd06 | 3726 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3727 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3728 | ||
f676886a JB |
3729 | f->display.x->icon_desc = icon_window; |
3730 | f->display.x->icon_bitmap_flag = 0; | |
3731 | f->display.x->icon_label = 0; | |
c118dd06 | 3732 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3733 | |
3734 | return 0; | |
3735 | } | |
3736 | \f | |
4746118a JB |
3737 | /* Handling X errors. */ |
3738 | ||
12ba150f JB |
3739 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3740 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3741 | |
4746118a | 3742 | static SIGTYPE |
c118dd06 | 3743 | x_connection_closed () |
4746118a JB |
3744 | { |
3745 | if (_Xdebug) | |
3746 | abort (); | |
12ba150f JB |
3747 | |
3748 | shut_down_emacs (0); | |
3749 | ||
3750 | exit (70); | |
4746118a JB |
3751 | } |
3752 | ||
8922af5f JB |
3753 | /* An X error handler which prints an error message and then kills |
3754 | Emacs. This is what's normally installed as Xlib's handler for | |
3755 | protocol errors. */ | |
c118dd06 JB |
3756 | static int |
3757 | x_error_quitter (display, error) | |
3758 | Display *display; | |
3759 | XErrorEvent *error; | |
3760 | { | |
3761 | char buf[256]; | |
dc6f92b8 | 3762 | |
c118dd06 JB |
3763 | /* Note that there is no real way portable across R3/R4 to get the |
3764 | original error handler. */ | |
dc6f92b8 | 3765 | |
c118dd06 JB |
3766 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3767 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3768 | buf, error->request_code); | |
dc6f92b8 | 3769 | |
12ba150f JB |
3770 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3771 | get an X error, so we can figure out why it happened. */ | |
3772 | abort (); | |
3773 | ||
c118dd06 | 3774 | x_connection_closed (); |
dc6f92b8 JB |
3775 | } |
3776 | ||
8922af5f JB |
3777 | /* A handler for X IO errors which prints an error message and then |
3778 | kills Emacs. This is what is always installed as Xlib's handler | |
3779 | for I/O errors. */ | |
3780 | static int | |
3781 | x_io_error_quitter (display) | |
3782 | Display *display; | |
3783 | { | |
3784 | fprintf (stderr, "Connection to X server %s lost.\n", | |
3785 | XDisplayName (DisplayString (display))); | |
3786 | ||
3787 | /* While we're testing Emacs 19, we'll just dump core whenever we | |
3788 | get an X error, so we can figure out why it happened. */ | |
3789 | abort (); | |
3790 | ||
3791 | x_connection_closed (); | |
3792 | } | |
3793 | ||
c118dd06 JB |
3794 | /* A buffer for storing X error messages. */ |
3795 | static char (*x_caught_error_message)[200]; | |
3796 | ||
3797 | /* An X error handler which stores the error message in | |
3798 | x_caught_error_message. This is what's installed when | |
3799 | x_catch_errors is in effect. */ | |
3800 | static int | |
3801 | x_error_catcher (display, error) | |
3802 | Display *display; | |
3803 | XErrorEvent *error; | |
3804 | { | |
3805 | XGetErrorText (display, error->error_code, | |
3806 | *x_caught_error_message, sizeof (*x_caught_error_message)); | |
3807 | } | |
3808 | ||
3809 | ||
3810 | /* Begin trapping X errors. | |
dc6f92b8 | 3811 | |
c118dd06 JB |
3812 | After calling this function, X protocol errors no longer cause |
3813 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3814 | |
c118dd06 JB |
3815 | Calling x_check_errors signals an Emacs error if an X error has |
3816 | occurred since the last call to x_catch_errors or x_check_errors. | |
3817 | ||
3818 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3819 | ||
3820 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3821 | ||
3822 | void | |
3823 | x_catch_errors () | |
dc6f92b8 | 3824 | { |
c118dd06 JB |
3825 | /* Make sure any errors from previous requests have been dealt with. */ |
3826 | XSync (x_current_display, False); | |
dc6f92b8 | 3827 | |
c118dd06 JB |
3828 | /* Set up the error buffer. */ |
3829 | x_caught_error_message = | |
3830 | (char (*)[]) xmalloc (sizeof (*x_caught_error_message)); | |
d872b748 | 3831 | (*x_caught_error_message)[0] = '\0'; |
16bd92ea | 3832 | |
c118dd06 JB |
3833 | /* Install our little error handler. */ |
3834 | XHandleError (x_error_catcher); | |
3835 | } | |
16bd92ea | 3836 | |
c118dd06 JB |
3837 | /* If any X protocol errors have arrived since the last call to |
3838 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3839 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3840 | void | |
3841 | x_check_errors (format) | |
3842 | char *format; | |
3843 | { | |
3844 | /* Make sure to catch any errors incurred so far. */ | |
3845 | XSync (x_current_display, False); | |
16bd92ea | 3846 | |
c118dd06 JB |
3847 | if ((*x_caught_error_message)[0]) |
3848 | { | |
3849 | char buf[256]; | |
3850 | ||
3851 | sprintf (buf, format, *x_caught_error_message); | |
9ac0d9e0 | 3852 | xfree (x_caught_error_message); |
dc6f92b8 | 3853 | |
c118dd06 JB |
3854 | x_uncatch_errors (); |
3855 | error (buf); | |
3856 | } | |
3857 | } | |
3858 | ||
3859 | void | |
3860 | x_uncatch_errors () | |
3861 | { | |
9ac0d9e0 | 3862 | xfree (x_caught_error_message); |
c118dd06 | 3863 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
3864 | } |
3865 | ||
dc6f92b8 JB |
3866 | #if 0 |
3867 | static unsigned int x_wire_count; | |
3868 | x_trace_wire () | |
3869 | { | |
3870 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3871 | } | |
c118dd06 | 3872 | #endif /* ! 0 */ |
dc6f92b8 JB |
3873 | |
3874 | \f | |
f451eb13 JB |
3875 | /* Changing the font of the frame. */ |
3876 | ||
f676886a | 3877 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3878 | to the font named NEWNAME. This is safe to use |
f676886a | 3879 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3880 | |
3881 | #ifdef HAVE_X11 | |
3882 | ||
3883 | /* A table of all the fonts we have already loaded. */ | |
3884 | static XFontStruct **x_font_table; | |
3885 | ||
3886 | /* The current capacity of x_font_table. */ | |
3887 | static int x_font_table_size; | |
3888 | ||
3889 | /* The number of fonts actually stored in x_font_table. | |
3890 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3891 | 0 <= n_fonts <= x_font_table_size. */ | |
3892 | static int n_fonts; | |
3893 | ||
f676886a JB |
3894 | x_new_font (f, fontname) |
3895 | struct frame *f; | |
dc6f92b8 JB |
3896 | register char *fontname; |
3897 | { | |
3898 | XFontStruct *temp; | |
3899 | int already_loaded; | |
3900 | int n_matching_fonts; | |
3901 | XFontStruct *font_info; | |
3902 | char **font_names; | |
3903 | ||
3904 | /* Get a list of all the fonts that match this name. Once we | |
3905 | have a list of matching fonts, we compare them against the fonts | |
3906 | we already have by comparing font ids. */ | |
3907 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3908 | 1024, &n_matching_fonts, | |
3909 | &font_info); | |
9696f58b | 3910 | |
dc6f92b8 JB |
3911 | /* If the server couldn't find any fonts whose named matched fontname, |
3912 | return an error code. */ | |
3913 | if (n_matching_fonts == 0) | |
3914 | return 1; | |
3915 | ||
90e65f07 | 3916 | /* See if we've already loaded a matching font. */ |
dc6f92b8 JB |
3917 | { |
3918 | int i, j; | |
3919 | ||
3920 | already_loaded = 0; | |
3921 | for (i = 0; i < n_fonts; i++) | |
3922 | for (j = 0; j < n_matching_fonts; j++) | |
3923 | if (x_font_table[i]->fid == font_info[j].fid) | |
3924 | { | |
3925 | already_loaded = i; | |
3926 | goto found_font; | |
3927 | } | |
3928 | } | |
3929 | found_font: | |
3930 | ||
3931 | /* If we have, just return it from the table. */ | |
3932 | if (already_loaded) | |
f676886a | 3933 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3934 | |
dc6f92b8 JB |
3935 | /* Otherwise, load the font and add it to the table. */ |
3936 | else | |
3937 | { | |
9696f58b | 3938 | int i; |
dc6f92b8 JB |
3939 | XFontStruct *font; |
3940 | ||
9696f58b | 3941 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
3942 | #if 0 |
3943 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
3944 | for (i = 0; i < n_matching_fonts; i++) |
3945 | if (! font_info[i].per_char) | |
3946 | break; | |
f126bd67 JB |
3947 | #else |
3948 | i = 0; | |
3949 | #endif | |
9696f58b JB |
3950 | |
3951 | if (i >= n_matching_fonts) | |
3952 | return 2; | |
3953 | else | |
3954 | fontname = font_names[i]; | |
3955 | ||
dc6f92b8 JB |
3956 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
3957 | if (! font) | |
3958 | return 1; | |
3959 | ||
3960 | /* Do we need to create the table? */ | |
3961 | if (x_font_table_size == 0) | |
3962 | { | |
3963 | x_font_table_size = 16; | |
3964 | x_font_table | |
3965 | = (XFontStruct **) xmalloc (x_font_table_size | |
3966 | * sizeof (x_font_table[0])); | |
3967 | } | |
3968 | /* Do we need to grow the table? */ | |
3969 | else if (n_fonts >= x_font_table_size) | |
3970 | { | |
90e65f07 | 3971 | x_font_table_size *= 2; |
dc6f92b8 JB |
3972 | x_font_table |
3973 | = (XFontStruct **) xrealloc (x_font_table, | |
3974 | (x_font_table_size | |
3975 | * sizeof (x_font_table[0]))); | |
3976 | } | |
3977 | ||
f676886a | 3978 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
3979 | } |
3980 | ||
3981 | /* Free the information from XListFontsWithInfo. The data | |
3982 | we actually retain comes from XLoadQueryFont. */ | |
3983 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
3984 | ||
f676886a | 3985 | /* Now make the frame display the given font. */ |
c118dd06 | 3986 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 3987 | { |
f676886a JB |
3988 | XSetFont (x_current_display, f->display.x->normal_gc, |
3989 | f->display.x->font->fid); | |
3990 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
3991 | f->display.x->font->fid); | |
3992 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
3993 | f->display.x->font->fid); | |
decb54c6 | 3994 | init_frame_faces (f); |
f676886a JB |
3995 | |
3996 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
3997 | } |
3998 | ||
3999 | return 0; | |
4000 | } | |
c118dd06 | 4001 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
4002 | x_new_font (f, newname) |
4003 | struct frame *f; | |
dc6f92b8 JB |
4004 | register char *newname; |
4005 | { | |
4006 | FONT_TYPE *temp; | |
4007 | int mask; | |
4008 | ||
4009 | temp = XGetFont (newname); | |
4010 | if (temp == (FONT_TYPE *) 0) | |
4011 | return 1; | |
4012 | ||
f676886a JB |
4013 | if (f->display.x->font) |
4014 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 4015 | |
f676886a | 4016 | f->display.x->font = temp; |
dc6f92b8 | 4017 | |
c118dd06 | 4018 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 4019 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
4020 | |
4021 | return 0; | |
4022 | } | |
c118dd06 | 4023 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4024 | \f |
f451eb13 JB |
4025 | /* X Window sizes and positions. */ |
4026 | ||
f676886a JB |
4027 | x_calc_absolute_position (f) |
4028 | struct frame *f; | |
dc6f92b8 JB |
4029 | { |
4030 | #ifdef HAVE_X11 | |
f676886a JB |
4031 | if (f->display.x->left_pos < 0) |
4032 | f->display.x->left_pos | |
7c5283e4 | 4033 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 4034 | |
f676886a JB |
4035 | if (f->display.x->top_pos < 0) |
4036 | f->display.x->top_pos | |
7c5283e4 | 4037 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 4038 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4039 | WINDOWINFO_TYPE parentinfo; |
4040 | ||
c118dd06 | 4041 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 4042 | |
f676886a JB |
4043 | if (f->display.x->left_pos < 0) |
4044 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
4045 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 4046 | |
f676886a JB |
4047 | if (f->display.x->top_pos < 0) |
4048 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
4049 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 4050 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4051 | } |
4052 | ||
f676886a JB |
4053 | x_set_offset (f, xoff, yoff) |
4054 | struct frame *f; | |
dc6f92b8 JB |
4055 | register int xoff, yoff; |
4056 | { | |
f676886a JB |
4057 | f->display.x->top_pos = yoff; |
4058 | f->display.x->left_pos = xoff; | |
4059 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
4060 | |
4061 | BLOCK_INPUT; | |
c118dd06 | 4062 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 4063 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 4064 | #ifdef HAVE_X11 |
f676886a | 4065 | x_wm_set_size_hint (f, 0); |
c118dd06 | 4066 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4067 | UNBLOCK_INPUT; |
4068 | } | |
4069 | ||
f676886a | 4070 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 4071 | |
f676886a JB |
4072 | x_set_window_size (f, cols, rows) |
4073 | struct frame *f; | |
b1c884c3 | 4074 | int cols, rows; |
dc6f92b8 JB |
4075 | { |
4076 | int pixelwidth, pixelheight; | |
4077 | int mask; | |
dc6f92b8 JB |
4078 | |
4079 | BLOCK_INPUT; | |
4080 | ||
b1c884c3 | 4081 | check_frame_size (f, &rows, &cols); |
ab648270 JB |
4082 | f->display.x->vertical_scroll_bar_extra = |
4083 | (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
4084 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
f451eb13 JB |
4085 | : 0); |
4086 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
4087 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
4088 | |
4089 | #ifdef HAVE_X11 | |
f676886a | 4090 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
4091 | #endif /* ! defined (HAVE_X11) */ |
4092 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
4093 | |
4094 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4095 | but the window manager will get around to dealing with the size | |
4096 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4097 | ConfigureNotify event gets here. |
4098 | ||
4099 | We could just not bother storing any of this information here, | |
4100 | and let the ConfigureNotify event set everything up, but that | |
4101 | might be kind of confusing to the lisp code, since size changes | |
4102 | wouldn't be reported in the frame parameters until some random | |
4103 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4104 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4105 | PIXEL_WIDTH (f) = pixelwidth; |
4106 | PIXEL_HEIGHT (f) = pixelheight; | |
4107 | ||
dbc4e1c1 JB |
4108 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4109 | receive in the ConfigureNotify event; if we get what we asked | |
4110 | for, then the event won't cause the screen to become garbaged, so | |
4111 | we have to make sure to do it here. */ | |
4112 | SET_FRAME_GARBAGED (f); | |
4113 | ||
dc6f92b8 JB |
4114 | XFlushQueue (); |
4115 | UNBLOCK_INPUT; | |
4116 | } | |
4117 | ||
4118 | #ifndef HAVE_X11 | |
f676886a JB |
4119 | x_set_resize_hint (f) |
4120 | struct frame *f; | |
dc6f92b8 | 4121 | { |
12ba150f JB |
4122 | XSetResizeHint (FRAME_X_WINDOW (f), |
4123 | 2 * f->display.x->internal_border_width, | |
f676886a | 4124 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
4125 | FONT_WIDTH (f->display.x->font), |
4126 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 4127 | } |
c118dd06 | 4128 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4129 | \f |
f451eb13 | 4130 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4131 | |
f676886a JB |
4132 | x_set_mouse_position (f, x, y) |
4133 | struct frame *f; | |
dc6f92b8 JB |
4134 | int x, y; |
4135 | { | |
4136 | int pix_x, pix_y; | |
4137 | ||
f676886a | 4138 | x_raise_frame (f); |
dc6f92b8 | 4139 | |
12ba150f JB |
4140 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
4141 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
4142 | |
4143 | if (pix_x < 0) pix_x = 0; | |
4144 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4145 | ||
4146 | if (pix_y < 0) pix_y = 0; | |
4147 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4148 | |
4149 | BLOCK_INPUT; | |
dc6f92b8 | 4150 | |
c118dd06 | 4151 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
4152 | UNBLOCK_INPUT; |
4153 | } | |
4154 | ||
4155 | #ifdef HAVE_X11 | |
f676886a JB |
4156 | x_focus_on_frame (f) |
4157 | struct frame *f; | |
dc6f92b8 | 4158 | { |
f676886a | 4159 | x_raise_frame (f); |
6d4238f3 JB |
4160 | #if 0 |
4161 | /* I don't think that the ICCCM allows programs to do things like this | |
4162 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4163 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 4164 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 4165 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4166 | #endif /* ! 0 */ |
dc6f92b8 JB |
4167 | } |
4168 | ||
f676886a JB |
4169 | x_unfocus_frame (f) |
4170 | struct frame *f; | |
dc6f92b8 | 4171 | { |
6d4238f3 | 4172 | #if 0 |
f676886a JB |
4173 | /* Look at the remarks in x_focus_on_frame. */ |
4174 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4175 | XSetInputFocus (x_current_display, PointerRoot, |
4176 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4177 | #endif /* ! 0 */ |
dc6f92b8 JB |
4178 | } |
4179 | ||
c118dd06 | 4180 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4181 | |
f676886a | 4182 | /* Raise frame F. */ |
dc6f92b8 | 4183 | |
f676886a JB |
4184 | x_raise_frame (f) |
4185 | struct frame *f; | |
dc6f92b8 | 4186 | { |
3a88c238 | 4187 | if (f->async_visible) |
dc6f92b8 JB |
4188 | { |
4189 | BLOCK_INPUT; | |
c118dd06 | 4190 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4191 | XFlushQueue (); |
4192 | UNBLOCK_INPUT; | |
4193 | } | |
4194 | } | |
4195 | ||
f676886a | 4196 | /* Lower frame F. */ |
dc6f92b8 | 4197 | |
f676886a JB |
4198 | x_lower_frame (f) |
4199 | struct frame *f; | |
dc6f92b8 | 4200 | { |
3a88c238 | 4201 | if (f->async_visible) |
dc6f92b8 JB |
4202 | { |
4203 | BLOCK_INPUT; | |
c118dd06 | 4204 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4205 | XFlushQueue (); |
4206 | UNBLOCK_INPUT; | |
4207 | } | |
4208 | } | |
4209 | ||
dbc4e1c1 JB |
4210 | static void |
4211 | XTframe_raise_lower (f, raise) | |
4212 | FRAME_PTR f; | |
4213 | int raise; | |
4214 | { | |
4215 | if (raise) | |
4216 | x_raise_frame (f); | |
4217 | else | |
4218 | x_lower_frame (f); | |
4219 | } | |
4220 | ||
4221 | ||
dc6f92b8 JB |
4222 | /* Change from withdrawn state to mapped state. */ |
4223 | ||
f676886a JB |
4224 | x_make_frame_visible (f) |
4225 | struct frame *f; | |
dc6f92b8 JB |
4226 | { |
4227 | int mask; | |
4228 | ||
dc6f92b8 | 4229 | BLOCK_INPUT; |
dc6f92b8 | 4230 | |
f676886a | 4231 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
4232 | { |
4233 | #ifdef HAVE_X11 | |
4234 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4235 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 4236 | |
c118dd06 | 4237 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
ab648270 | 4238 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
4239 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4240 | #else /* ! defined (HAVE_X11) */ | |
4241 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4242 | if (f->display.x->icon_desc != 0) |
4243 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4244 | |
90e65f07 | 4245 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4246 | f->async_visible = 1; |
4247 | f->async_iconified = 0; | |
dc6f92b8 | 4248 | |
f676886a | 4249 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4250 | XTcursor_to (0, 0); |
c118dd06 | 4251 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4252 | } |
dc6f92b8 | 4253 | |
dc6f92b8 | 4254 | XFlushQueue (); |
90e65f07 | 4255 | |
dc6f92b8 JB |
4256 | UNBLOCK_INPUT; |
4257 | } | |
4258 | ||
4259 | /* Change from mapped state to withdrawn state. */ | |
4260 | ||
f676886a JB |
4261 | x_make_frame_invisible (f) |
4262 | struct frame *f; | |
dc6f92b8 JB |
4263 | { |
4264 | int mask; | |
4265 | ||
3a88c238 | 4266 | if (! f->async_visible) |
dc6f92b8 JB |
4267 | return; |
4268 | ||
4269 | BLOCK_INPUT; | |
c118dd06 JB |
4270 | |
4271 | #ifdef HAVE_X11R4 | |
4272 | ||
4273 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
4274 | DefaultScreen (x_current_display))) | |
4275 | { | |
4276 | UNBLOCK_INPUT_RESIGNAL; | |
4277 | error ("can't notify window manager of window withdrawl"); | |
4278 | } | |
4279 | ||
4280 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4281 | #ifdef HAVE_X11 |
16bd92ea | 4282 | |
c118dd06 | 4283 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4284 | if (! EQ (Vx_no_window_manager, Qt)) |
4285 | { | |
16bd92ea | 4286 | XEvent unmap; |
dc6f92b8 | 4287 | |
16bd92ea | 4288 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 4289 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4290 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4291 | unmap.xunmap.from_configure = False; | |
4292 | if (! XSendEvent (x_current_display, | |
4293 | DefaultRootWindow (x_current_display), | |
4294 | False, | |
4295 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4296 | &unmap)) | |
4297 | { | |
4298 | UNBLOCK_INPUT_RESIGNAL; | |
4299 | error ("can't notify window manager of withdrawal"); | |
4300 | } | |
dc6f92b8 JB |
4301 | } |
4302 | ||
16bd92ea | 4303 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
4304 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
4305 | ||
4306 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 4307 | |
c118dd06 | 4308 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4309 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4310 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4311 | XUnmapWindow (f->display.x->icon_desc); |
4312 | ||
4313 | #endif /* ! defined (HAVE_X11) */ | |
4314 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4315 | |
4316 | XFlushQueue (); | |
4317 | UNBLOCK_INPUT; | |
4318 | } | |
4319 | ||
dc6f92b8 JB |
4320 | /* Change window state from mapped to iconified. */ |
4321 | ||
f676886a JB |
4322 | x_iconify_frame (f) |
4323 | struct frame *f; | |
dc6f92b8 JB |
4324 | { |
4325 | int mask; | |
4326 | ||
3a88c238 | 4327 | if (f->async_iconified) |
dc6f92b8 JB |
4328 | return; |
4329 | ||
4330 | BLOCK_INPUT; | |
4331 | ||
4332 | #ifdef HAVE_X11 | |
16bd92ea JB |
4333 | /* Since we don't know which revision of X we're running, we'll use both |
4334 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4335 | ||
4336 | /* X11R4: send a ClientMessage to the window manager using the | |
4337 | WM_CHANGE_STATE type. */ | |
4338 | { | |
4339 | XEvent message; | |
4340 | ||
c118dd06 | 4341 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4342 | message.xclient.type = ClientMessage; |
4343 | message.xclient.message_type = Xatom_wm_change_state; | |
4344 | message.xclient.format = 32; | |
4345 | message.xclient.data.l[0] = IconicState; | |
4346 | ||
4347 | if (! XSendEvent (x_current_display, | |
4348 | DefaultRootWindow (x_current_display), | |
4349 | False, | |
4350 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4351 | &message)) | |
dc6f92b8 JB |
4352 | { |
4353 | UNBLOCK_INPUT_RESIGNAL; | |
4354 | error ("Can't notify window manager of iconification."); | |
4355 | } | |
16bd92ea | 4356 | } |
dc6f92b8 | 4357 | |
16bd92ea JB |
4358 | /* X11R3: set the initial_state field of the window manager hints to |
4359 | IconicState. */ | |
4360 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4361 | |
3a88c238 | 4362 | f->async_iconified = 1; |
c118dd06 JB |
4363 | #else /* ! defined (HAVE_X11) */ |
4364 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4365 | |
3a88c238 | 4366 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4367 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4368 | { |
f676886a JB |
4369 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4370 | refreshicon (f); | |
dc6f92b8 | 4371 | } |
c118dd06 | 4372 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4373 | |
4374 | XFlushQueue (); | |
4375 | UNBLOCK_INPUT; | |
4376 | } | |
4377 | ||
c0ff3fab | 4378 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4379 | |
c0ff3fab | 4380 | x_destroy_window (f) |
f676886a | 4381 | struct frame *f; |
dc6f92b8 | 4382 | { |
dc6f92b8 | 4383 | BLOCK_INPUT; |
c0ff3fab JB |
4384 | |
4385 | if (f->display.x->icon_desc != 0) | |
4386 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4387 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
07e34cb0 | 4388 | free_frame_faces (f); |
dc6f92b8 | 4389 | XFlushQueue (); |
dc6f92b8 | 4390 | |
9ac0d9e0 | 4391 | xfree (f->display.x); |
c0ff3fab | 4392 | f->display.x = 0; |
f676886a JB |
4393 | if (f == x_focus_frame) |
4394 | x_focus_frame = 0; | |
4395 | if (f == x_highlight_frame) | |
4396 | x_highlight_frame = 0; | |
c0ff3fab JB |
4397 | |
4398 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4399 | } |
4400 | \f | |
f451eb13 JB |
4401 | /* Manage event queues for X10. */ |
4402 | ||
dc6f92b8 JB |
4403 | #ifndef HAVE_X11 |
4404 | ||
4405 | /* Manage event queues. | |
4406 | ||
4407 | This code is only used by the X10 support. | |
4408 | ||
4409 | We cannot leave events in the X queue and get them when we are ready | |
4410 | because X does not provide a subroutine to get only a certain kind | |
4411 | of event but not block if there are no queued events of that kind. | |
4412 | ||
4413 | Therefore, we must examine events as they come in and copy events | |
4414 | of certain kinds into our private queues. | |
4415 | ||
4416 | All ExposeRegion events are put in x_expose_queue. | |
4417 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4418 | ||
4419 | ||
4420 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4421 | If the queue is full, do nothing, but return nonzero. */ | |
4422 | ||
4423 | int | |
4424 | enqueue_event (p_xrep, queue) | |
4425 | register XEvent *p_xrep; | |
4426 | register struct event_queue *queue; | |
4427 | { | |
4428 | int newindex = queue->windex + 1; | |
4429 | if (newindex == EVENT_BUFFER_SIZE) | |
4430 | newindex = 0; | |
4431 | if (newindex == queue->rindex) | |
4432 | return -1; | |
4433 | queue->xrep[queue->windex] = *p_xrep; | |
4434 | queue->windex = newindex; | |
4435 | return 0; | |
4436 | } | |
4437 | ||
4438 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4439 | If *QUEUE is empty, do nothing and return 0. */ | |
4440 | ||
4441 | int | |
4442 | dequeue_event (p_xrep, queue) | |
4443 | register XEvent *p_xrep; | |
4444 | register struct event_queue *queue; | |
4445 | { | |
4446 | if (queue->windex == queue->rindex) | |
4447 | return 0; | |
4448 | *p_xrep = queue->xrep[queue->rindex++]; | |
4449 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4450 | queue->rindex = 0; | |
4451 | return 1; | |
4452 | } | |
4453 | ||
4454 | /* Return the number of events buffered in *QUEUE. */ | |
4455 | ||
4456 | int | |
4457 | queue_event_count (queue) | |
4458 | register struct event_queue *queue; | |
4459 | { | |
4460 | int tem = queue->windex - queue->rindex; | |
4461 | if (tem >= 0) | |
4462 | return tem; | |
4463 | return EVENT_BUFFER_SIZE + tem; | |
4464 | } | |
4465 | ||
4466 | /* Return nonzero if mouse input is pending. */ | |
4467 | ||
4468 | int | |
4469 | mouse_event_pending_p () | |
4470 | { | |
4471 | return queue_event_count (&x_mouse_queue); | |
4472 | } | |
c118dd06 | 4473 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4474 | \f |
f451eb13 JB |
4475 | /* Setting window manager hints. */ |
4476 | ||
dc6f92b8 JB |
4477 | #ifdef HAVE_X11 |
4478 | ||
f676886a JB |
4479 | x_wm_set_size_hint (f, prompting) |
4480 | struct frame *f; | |
dc6f92b8 JB |
4481 | long prompting; |
4482 | { | |
4483 | XSizeHints size_hints; | |
c118dd06 | 4484 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 JB |
4485 | |
4486 | size_hints.flags = PResizeInc | PMinSize | PMaxSize; | |
4487 | ||
f676886a JB |
4488 | flexlines = f->height; |
4489 | ||
4490 | size_hints.x = f->display.x->left_pos; | |
4491 | size_hints.y = f->display.x->top_pos; | |
4492 | size_hints.height = PIXEL_HEIGHT (f); | |
4493 | size_hints.width = PIXEL_WIDTH (f); | |
4494 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4495 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
12ba150f JB |
4496 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4497 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f451eb13 | 4498 | |
b1c884c3 | 4499 | { |
b0342f17 JB |
4500 | int base_width, base_height; |
4501 | ||
f451eb13 JB |
4502 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4503 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4504 | |
4505 | { | |
4506 | int min_rows = 0, min_cols = 0; | |
4507 | check_frame_size (f, &min_rows, &min_cols); | |
4508 | ||
4509 | /* The window manager uses the base width hints to calculate the | |
4510 | current number of rows and columns in the frame while | |
4511 | resizing; min_width and min_height aren't useful for this | |
4512 | purpose, since they might not give the dimensions for a | |
4513 | zero-row, zero-column frame. | |
4514 | ||
4515 | We use the base_width and base_height members if we have | |
4516 | them; otherwise, we set the min_width and min_height members | |
4517 | to the size for a zero x zero frame. */ | |
4518 | ||
4519 | #ifdef HAVE_X11R4 | |
4520 | size_hints.flags |= PBaseSize; | |
4521 | size_hints.base_width = base_width; | |
4522 | size_hints.base_height = base_height; | |
4523 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4524 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4525 | #else | |
4526 | size_hints.min_width = base_width; | |
4527 | size_hints.min_height = base_height; | |
4528 | #endif | |
4529 | } | |
b1c884c3 | 4530 | |
b1c884c3 | 4531 | } |
dc6f92b8 JB |
4532 | |
4533 | if (prompting) | |
4534 | size_hints.flags |= prompting; | |
4535 | else | |
4536 | { | |
4537 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4538 | ||
4539 | XGetNormalHints (x_current_display, window, &hints); | |
4540 | if (hints.flags & PSize) | |
4541 | size_hints.flags |= PSize; | |
4542 | if (hints.flags & PPosition) | |
4543 | size_hints.flags |= PPosition; | |
4544 | if (hints.flags & USPosition) | |
4545 | size_hints.flags |= USPosition; | |
4546 | if (hints.flags & USSize) | |
4547 | size_hints.flags |= USSize; | |
4548 | } | |
16bd92ea | 4549 | |
b0342f17 JB |
4550 | #ifdef HAVE_X11R4 |
4551 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4552 | #else | |
dc6f92b8 | 4553 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4554 | #endif |
dc6f92b8 JB |
4555 | } |
4556 | ||
4557 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4558 | x_wm_set_window_state (f, state) |
4559 | struct frame *f; | |
dc6f92b8 JB |
4560 | int state; |
4561 | { | |
c118dd06 | 4562 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4563 | |
16bd92ea JB |
4564 | f->display.x->wm_hints.flags |= StateHint; |
4565 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4566 | |
16bd92ea | 4567 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4568 | } |
4569 | ||
f676886a JB |
4570 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4571 | struct frame *f; | |
dc6f92b8 JB |
4572 | Pixmap icon_pixmap; |
4573 | { | |
c118dd06 | 4574 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4575 | |
dbc4e1c1 JB |
4576 | if (icon_pixmap) |
4577 | { | |
4578 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
4579 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
4580 | } | |
4581 | else | |
4582 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 4583 | |
16bd92ea | 4584 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4585 | } |
4586 | ||
f676886a JB |
4587 | x_wm_set_icon_position (f, icon_x, icon_y) |
4588 | struct frame *f; | |
dc6f92b8 JB |
4589 | int icon_x, icon_y; |
4590 | { | |
c118dd06 | 4591 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4592 | |
16bd92ea JB |
4593 | f->display.x->wm_hints.flags |= IconPositionHint; |
4594 | f->display.x->wm_hints.icon_x = icon_x; | |
4595 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4596 | |
16bd92ea | 4597 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4598 | } |
4599 | ||
4600 | \f | |
f451eb13 JB |
4601 | /* Initialization. */ |
4602 | ||
dc6f92b8 JB |
4603 | void |
4604 | x_term_init (display_name) | |
4605 | char *display_name; | |
4606 | { | |
f676886a | 4607 | Lisp_Object frame; |
dc6f92b8 JB |
4608 | char *defaultvalue; |
4609 | #ifdef F_SETOWN | |
4610 | extern int old_fcntl_owner; | |
c118dd06 | 4611 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4612 | |
f676886a | 4613 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4614 | |
4615 | x_current_display = XOpenDisplay (display_name); | |
4616 | if (x_current_display == 0) | |
4617 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4618 | display_name); | |
4619 | ||
4620 | #ifdef HAVE_X11 | |
4621 | { | |
16bd92ea | 4622 | int hostname_size = 256; |
60fb3ee1 JB |
4623 | |
4624 | hostname = (char *) xmalloc (hostname_size); | |
4625 | ||
dc6f92b8 JB |
4626 | #if 0 |
4627 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4628 | #endif /* ! 0 */ |
dc6f92b8 | 4629 | |
60fb3ee1 JB |
4630 | /* Try to get the host name; if the buffer is too short, try |
4631 | again. Apparently, the only indication gethostname gives of | |
4632 | whether the buffer was large enough is the presence or absence | |
4633 | of a '\0' in the string. Eech. */ | |
4634 | for (;;) | |
4635 | { | |
4636 | gethostname (hostname, hostname_size - 1); | |
4637 | hostname[hostname_size - 1] = '\0'; | |
4638 | ||
4639 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4640 | if (strlen (hostname) < hostname_size - 1) | |
4641 | break; | |
4642 | ||
4643 | hostname_size <<= 1; | |
4644 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4645 | } | |
59653951 | 4646 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
4647 | + strlen (hostname) |
4648 | + 2); | |
59653951 | 4649 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 4650 | } |
28430d3c JB |
4651 | |
4652 | /* Figure out which modifier bits mean what. */ | |
4653 | x_find_modifier_meanings (); | |
f451eb13 | 4654 | |
ab648270 | 4655 | /* Get the scroll bar cursor. */ |
d56a553a RS |
4656 | x_vertical_scroll_bar_cursor |
4657 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 4658 | |
d56a553a | 4659 | #if 0 |
28430d3c JB |
4660 | /* Watch for PropertyNotify events on the root window; we use them |
4661 | to figure out when to invalidate our cache of the cut buffers. */ | |
4662 | x_watch_cut_buffer_cache (); | |
d56a553a | 4663 | #endif |
28430d3c | 4664 | |
a4fc7360 JB |
4665 | if (ConnectionNumber (x_current_display) != 0) |
4666 | { | |
4667 | dup2 (ConnectionNumber (x_current_display), 0); | |
6d4238f3 JB |
4668 | |
4669 | #ifndef SYSV_STREAMS | |
a4fc7360 JB |
4670 | /* Streams somehow keeps track of which descriptor number |
4671 | is being used to talk to X. So it is not safe to substitute | |
4672 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
4673 | close (ConnectionNumber (x_current_display)); | |
4674 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? | |
6d4238f3 JB |
4675 | * check the def of the macro; |
4676 | * it is a genuine lvalue */ | |
c118dd06 | 4677 | #endif /* SYSV_STREAMS */ |
a4fc7360 | 4678 | } |
6d4238f3 | 4679 | |
c118dd06 | 4680 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4681 | |
4682 | #ifdef F_SETOWN | |
4683 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4684 | #ifdef F_SETOWN_SOCK_NEG | |
4685 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4686 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4687 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4688 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4689 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4690 | |
4691 | #ifdef SIGIO | |
4692 | init_sigio (); | |
c118dd06 | 4693 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4694 | |
4695 | /* Must use interrupt input because we cannot otherwise | |
4696 | arrange for C-g to be noticed immediately. | |
4697 | We cannot connect it to SIGINT. */ | |
4698 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4699 | ||
4700 | expose_all_windows = 0; | |
4701 | ||
f676886a | 4702 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4703 | clear_end_of_line_hook = XTclear_end_of_line; |
4704 | ins_del_lines_hook = XTins_del_lines; | |
4705 | change_line_highlight_hook = XTchange_line_highlight; | |
4706 | insert_glyphs_hook = XTinsert_glyphs; | |
4707 | write_glyphs_hook = XTwrite_glyphs; | |
4708 | delete_glyphs_hook = XTdelete_glyphs; | |
4709 | ring_bell_hook = XTring_bell; | |
4710 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4711 | set_terminal_modes_hook = XTset_terminal_modes; | |
4712 | update_begin_hook = XTupdate_begin; | |
4713 | update_end_hook = XTupdate_end; | |
4714 | set_terminal_window_hook = XTset_terminal_window; | |
4715 | read_socket_hook = XTread_socket; | |
4716 | cursor_to_hook = XTcursor_to; | |
4717 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4718 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4719 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 4720 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
4721 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
4722 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
4723 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
4724 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 4725 | |
f676886a | 4726 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4727 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4728 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4729 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4730 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4731 | off the bottom */ |
4732 | baud_rate = 19200; | |
4733 | ||
c118dd06 JB |
4734 | /* Note that there is no real way portable across R3/R4 to get the |
4735 | original error handler. */ | |
4736 | XHandleError (x_error_quitter); | |
8922af5f | 4737 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
4738 | |
4739 | /* Disable Window Change signals; they are handled by X events. */ | |
4740 | #ifdef SIGWINCH | |
4741 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4742 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4743 | |
c118dd06 | 4744 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4745 | } |
55123275 JB |
4746 | |
4747 | void | |
4748 | syms_of_xterm () | |
4749 | { | |
ab648270 | 4750 | staticpro (&last_mouse_scroll_bar); |
55123275 | 4751 | } |
c118dd06 JB |
4752 | #endif /* ! defined (HAVE_X11) */ |
4753 | #endif /* ! defined (HAVE_X_WINDOWS) */ |