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 | 61 | #include <string.h> |
febf25d5 | 62 | #endif |
c118dd06 | 63 | #endif /* ! defined (BSD) */ |
dc6f92b8 | 64 | |
2d368234 | 65 | #include "systty.h" |
3a2712f9 | 66 | #include "systime.h" |
dc6f92b8 JB |
67 | |
68 | #include <fcntl.h> | |
dc6f92b8 JB |
69 | #include <ctype.h> |
70 | #include <errno.h> | |
71 | #include <setjmp.h> | |
72 | #include <sys/stat.h> | |
73 | #include <sys/param.h> | |
74 | ||
75 | #include "dispextern.h" | |
76 | #include "termhooks.h" | |
77 | #include "termopts.h" | |
78 | #include "termchar.h" | |
79 | #if 0 | |
80 | #include "sink.h" | |
81 | #include "sinkmask.h" | |
c118dd06 | 82 | #endif /* ! 0 */ |
dc6f92b8 | 83 | #include "gnu.h" |
f676886a | 84 | #include "frame.h" |
dc6f92b8 | 85 | #include "disptab.h" |
dc6f92b8 | 86 | #include "buffer.h" |
f451eb13 | 87 | #include "window.h" |
dc6f92b8 JB |
88 | |
89 | #ifdef HAVE_X11 | |
90 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 91 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
92 | #include <X/Xkeyboard.h> |
93 | /*#include <X/Xproto.h> */ | |
c118dd06 | 94 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
95 | |
96 | /* For sending Meta-characters. Do we need this? */ | |
97 | #define METABIT 0200 | |
98 | ||
99 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
100 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
101 | ||
102 | /* Nonzero means we must reprint all windows | |
103 | because 1) we received an ExposeWindow event | |
f451eb13 | 104 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 105 | |
f451eb13 | 106 | This is never needed under X11. */ |
dc6f92b8 JB |
107 | static int expose_all_windows; |
108 | ||
109 | /* Nonzero means we must reprint all icon windows. */ | |
110 | ||
111 | static int expose_all_icons; | |
112 | ||
113 | #ifndef HAVE_X11 | |
114 | /* ExposeRegion events, when received, are copied into this queue | |
115 | for later processing. */ | |
116 | ||
117 | static struct event_queue x_expose_queue; | |
118 | ||
119 | /* ButtonPressed and ButtonReleased events, when received, | |
120 | are copied into this queue for later processing. */ | |
121 | ||
122 | struct event_queue x_mouse_queue; | |
c118dd06 | 123 | #endif /* HAVE_X11 */ |
dc6f92b8 | 124 | |
dc6f92b8 JB |
125 | #if defined (SIGIO) && defined (FIONREAD) |
126 | int BLOCK_INPUT_mask; | |
c118dd06 | 127 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 128 | |
dc6f92b8 JB |
129 | /* The id of a bitmap used for icon windows. |
130 | One such map is shared by all Emacs icon windows. | |
131 | This is zero if we have not yet had a need to create the bitmap. */ | |
132 | ||
133 | static Bitmap icon_bitmap; | |
134 | ||
135 | /* Font used for text icons. */ | |
136 | ||
137 | static FONT_TYPE *icon_font_info; | |
138 | ||
139 | /* Stuff for dealing with the main icon title. */ | |
140 | ||
141 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 142 | char *hostname, *x_id_name; |
dc6f92b8 JB |
143 | |
144 | /* This is the X connection that we are using. */ | |
145 | ||
146 | Display *x_current_display; | |
147 | ||
ab648270 JB |
148 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
149 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 150 | |
987d2ad1 | 151 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 152 | This is set by update_begin and looked at by all the |
dc6f92b8 | 153 | XT functions. It is zero while not inside an update. |
f676886a JB |
154 | In that case, the XT functions assume that `selected_frame' |
155 | is the frame to apply to. */ | |
d0386f2a | 156 | extern struct frame *updating_frame; |
dc6f92b8 | 157 | |
f676886a | 158 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
159 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
160 | that a mere EnterNotify event can set this; if you need to know the | |
161 | last frame specified in a FocusIn or FocusOut event, use | |
162 | x_focus_event_frame. */ | |
f676886a | 163 | struct frame *x_focus_frame; |
dc6f92b8 | 164 | |
f451eb13 JB |
165 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
166 | separate from x_focus_frame, because whether or not LeaveNotify | |
167 | events cause us to lose focus depends on whether or not we have | |
168 | received a FocusIn event for it. */ | |
169 | struct frame *x_focus_event_frame; | |
170 | ||
f676886a JB |
171 | /* The frame which currently has the visual highlight, and should get |
172 | keyboard input (other sorts of input have the frame encoded in the | |
173 | event). It points to the X focus frame's selected window's | |
174 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 175 | minibuffer. */ |
f676886a | 176 | static struct frame *x_highlight_frame; |
6d4238f3 | 177 | |
dc6f92b8 | 178 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 179 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
180 | |
181 | static int warp_mouse_on_deiconify; | |
182 | ||
183 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
184 | ||
185 | static int flexlines; | |
186 | ||
187 | /* During an update, nonzero if chars output now should be highlighted. */ | |
188 | ||
189 | static int highlight; | |
190 | ||
191 | /* Nominal cursor position -- where to draw output. | |
192 | During an update, these are different from the cursor-box position. */ | |
193 | ||
194 | static int curs_x; | |
195 | static int curs_y; | |
196 | ||
197 | #ifdef HAVE_X11 | |
198 | /* `t' if a mouse button is depressed. */ | |
199 | ||
200 | extern Lisp_Object Vmouse_depressed; | |
201 | ||
202 | /* Tells if a window manager is present or not. */ | |
203 | ||
204 | extern Lisp_Object Vx_no_window_manager; | |
205 | ||
206 | /* Timestamp that we requested selection data was made. */ | |
207 | extern Time requestor_time; | |
208 | ||
209 | /* ID of the window requesting selection data. */ | |
210 | extern Window requestor_window; | |
211 | ||
212 | /* Nonzero enables some debugging for the X interface code. */ | |
213 | extern int _Xdebug; | |
214 | ||
c118dd06 | 215 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
216 | |
217 | /* Bit patterns for the mouse cursor. */ | |
218 | ||
219 | short MouseCursor[] = { | |
220 | 0x0000, 0x0008, 0x0018, 0x0038, | |
221 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
222 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
223 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
224 | ||
225 | short MouseMask[] = { | |
226 | 0x000c, 0x001c, 0x003c, 0x007c, | |
227 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
228 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
229 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
230 | ||
231 | static short grey_bits[] = { | |
232 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
233 | ||
234 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 235 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
236 | |
237 | /* From time to time we get info on an Emacs window, here. */ | |
238 | ||
239 | static WINDOWINFO_TYPE windowinfo; | |
240 | ||
241 | extern int errno; | |
242 | ||
dfeccd2d | 243 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
244 | extern int extra_keyboard_modifiers; |
245 | ||
dc6f92b8 JB |
246 | extern Display *XOpenDisplay (); |
247 | extern Window XCreateWindow (); | |
248 | ||
249 | extern Cursor XCreateCursor (); | |
250 | extern FONT_TYPE *XOpenFont (); | |
251 | ||
252 | static void flashback (); | |
253 | ||
254 | #ifndef HAVE_X11 | |
255 | static void dumpqueue (); | |
c118dd06 | 256 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
257 | |
258 | void dumpborder (); | |
4746118a JB |
259 | static int XTcursor_to (); |
260 | static int XTclear_end_of_line (); | |
16bd92ea JB |
261 | |
262 | \f | |
f451eb13 JB |
263 | /* Starting and ending updates. |
264 | ||
265 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
266 | of a frame update. We record in `updating_frame' the identity |
267 | of the frame being updated, so that the XT... functions do not | |
268 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 JB |
269 | should never be called except during an update, the only exceptions |
270 | being XTcursor_to, XTwrite_char and XTreassert_line_highlight. */ | |
271 | ||
272 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
273 | ||
274 | static | |
f676886a JB |
275 | XTupdate_begin (f) |
276 | struct frame *f; | |
dc6f92b8 JB |
277 | { |
278 | int mask; | |
279 | ||
f676886a | 280 | if (f == 0) |
dc6f92b8 JB |
281 | abort (); |
282 | ||
f676886a | 283 | flexlines = f->height; |
dc6f92b8 JB |
284 | highlight = 0; |
285 | ||
dc6f92b8 JB |
286 | BLOCK_INPUT; |
287 | #ifndef HAVE_X11 | |
288 | dumpqueue (); | |
c118dd06 | 289 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
290 | UNBLOCK_INPUT; |
291 | } | |
292 | ||
f451eb13 | 293 | #ifndef HAVE_X11 |
dc6f92b8 | 294 | static void x_do_pending_expose (); |
f451eb13 | 295 | #endif |
dc6f92b8 JB |
296 | |
297 | static | |
f676886a JB |
298 | XTupdate_end (f) |
299 | struct frame *f; | |
dc6f92b8 JB |
300 | { |
301 | int mask; | |
302 | ||
f676886a JB |
303 | if (updating_frame == 0 |
304 | || updating_frame != f) | |
dc6f92b8 JB |
305 | abort (); |
306 | ||
307 | BLOCK_INPUT; | |
308 | #ifndef HAVE_X11 | |
309 | dumpqueue (); | |
dc6f92b8 | 310 | x_do_pending_expose (); |
f451eb13 | 311 | #endif /* HAVE_X11 */ |
dc6f92b8 | 312 | |
f676886a | 313 | x_display_cursor (f, 1); |
dc6f92b8 | 314 | |
dc6f92b8 JB |
315 | XFlushQueue (); |
316 | UNBLOCK_INPUT; | |
317 | } | |
318 | \f | |
319 | /* External interface to control of standout mode. | |
320 | Call this when about to modify line at position VPOS | |
321 | and not change whether it is highlighted. */ | |
322 | ||
323 | XTreassert_line_highlight (new, vpos) | |
324 | int new, vpos; | |
325 | { | |
326 | highlight = new; | |
327 | } | |
328 | ||
329 | /* Call this when about to modify line at position VPOS | |
330 | and change whether it is highlighted. */ | |
331 | ||
332 | static | |
333 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
334 | int new_highlight, vpos, first_unused_hpos; | |
335 | { | |
336 | highlight = new_highlight; | |
337 | XTcursor_to (vpos, 0); | |
f676886a | 338 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
339 | } |
340 | ||
341 | /* This is used when starting Emacs and when restarting after suspend. | |
342 | When starting Emacs, no X window is mapped. And nothing must be done | |
343 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
344 | ||
345 | static | |
346 | XTset_terminal_modes () | |
347 | { | |
348 | } | |
349 | ||
350 | /* This is called when exiting or suspending Emacs. | |
351 | Exiting will make the X-windows go away, and suspending | |
352 | requires no action. */ | |
353 | ||
354 | static | |
355 | XTreset_terminal_modes () | |
356 | { | |
f676886a | 357 | /* XTclear_frame (); */ |
dc6f92b8 JB |
358 | } |
359 | \f | |
f451eb13 JB |
360 | /* Set the nominal cursor position of the frame. |
361 | This is where display update commands will take effect. | |
dc6f92b8 JB |
362 | This does not affect the place where the cursor-box is displayed. */ |
363 | ||
4746118a | 364 | static int |
dc6f92b8 JB |
365 | XTcursor_to (row, col) |
366 | register int row, col; | |
367 | { | |
368 | int mask; | |
369 | int orow = row; | |
370 | ||
371 | curs_x = col; | |
372 | curs_y = row; | |
373 | ||
f676886a | 374 | if (updating_frame == 0) |
dc6f92b8 JB |
375 | { |
376 | BLOCK_INPUT; | |
f676886a | 377 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
378 | XFlushQueue (); |
379 | UNBLOCK_INPUT; | |
380 | } | |
381 | } | |
382 | \f | |
383 | /* Display a sequence of N glyphs found at GP. | |
384 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
385 | HL is 1 if this text is highlighted, 2 if the cursor is on it. | |
386 | ||
07e34cb0 | 387 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 388 | |
07e34cb0 JB |
389 | Since the display generation code is responsible for calling |
390 | compute_char_face and compute_glyph_face on everything it puts in | |
391 | the display structure, we can assume that the face code on each | |
392 | glyph is a valid index into FRAME_FACES (f), and the one to which | |
393 | we can actually apply intern_face. */ | |
dc6f92b8 | 394 | |
07e34cb0 JB |
395 | #if 1 |
396 | /* This is the multi-face code. */ | |
dc6f92b8 | 397 | |
dc6f92b8 | 398 | static void |
07e34cb0 | 399 | dumpglyphs (f, left, top, gp, n, hl) |
f676886a | 400 | struct frame *f; |
dc6f92b8 JB |
401 | int left, top; |
402 | register GLYPH *gp; /* Points to first GLYPH. */ | |
403 | register int n; /* Number of glyphs to display. */ | |
404 | int hl; | |
dc6f92b8 | 405 | { |
07e34cb0 JB |
406 | /* Holds characters to be displayed. */ |
407 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
408 | register char *cp; /* Steps through buf[]. */ |
409 | register int tlen = GLYPH_TABLE_LENGTH; | |
410 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 411 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 412 | |
07e34cb0 | 413 | while (n > 0) |
dc6f92b8 JB |
414 | { |
415 | /* Get the face-code of the next GLYPH. */ | |
416 | int cf, len; | |
417 | int g = *gp; | |
418 | ||
07e34cb0 JB |
419 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
420 | cf = GLYPH_FACE (g); | |
dc6f92b8 JB |
421 | |
422 | /* Find the run of consecutive glyphs with the same face-code. | |
423 | Extract their character codes into BUF. */ | |
424 | cp = buf; | |
425 | while (n > 0) | |
426 | { | |
427 | g = *gp; | |
07e34cb0 JB |
428 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
429 | if (GLYPH_FACE (g) != cf) | |
dc6f92b8 JB |
430 | break; |
431 | ||
07e34cb0 | 432 | *cp++ = GLYPH_CHAR (g); |
dc6f92b8 JB |
433 | --n; |
434 | ++gp; | |
435 | } | |
436 | ||
437 | /* LEN gets the length of the run. */ | |
438 | len = cp - buf; | |
439 | ||
440 | /* Now output this run of chars, with the font and pixel values | |
441 | determined by the face code CF. */ | |
07e34cb0 JB |
442 | { |
443 | struct face *face = FRAME_DEFAULT_FACE (f); | |
444 | FONT_TYPE *font = FACE_FONT (face); | |
445 | GC gc = FACE_GC (face); | |
b73b6aaf RS |
446 | int defaulted = 1; |
447 | int gc_temporary = 0; | |
07e34cb0 | 448 | |
b73b6aaf RS |
449 | /* First look at the face of the text itself. */ |
450 | if (cf != 0) | |
07e34cb0 JB |
451 | { |
452 | /* The face codes on the glyphs must be valid indices into the | |
453 | frame's face table. */ | |
454 | if (cf < 0 || cf >= FRAME_N_FACES (f)) | |
455 | abort (); | |
456 | ||
457 | if (cf == 1) | |
458 | face = FRAME_MODE_LINE_FACE (f); | |
459 | else | |
4a4dc352 | 460 | face = intern_face (f, FRAME_FACES (f) [cf]); |
07e34cb0 JB |
461 | font = FACE_FONT (face); |
462 | gc = FACE_GC (face); | |
b73b6aaf | 463 | defaulted = 0; |
07e34cb0 | 464 | } |
4a4dc352 JB |
465 | |
466 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
467 | else if (hl == 0) |
468 | ; | |
469 | else if (hl == 1) | |
470 | { | |
471 | face = FRAME_MODE_LINE_FACE (f); | |
472 | font = FACE_FONT (face); | |
473 | gc = FACE_GC (face); | |
b73b6aaf RS |
474 | defaulted = 0; |
475 | } | |
476 | ||
477 | #define FACE_DEFAULT (~0) | |
478 | ||
479 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 480 | if (hl == 2) |
b73b6aaf | 481 | { |
b5cf7a0e JB |
482 | if (defaulted |
483 | || !face->font | |
484 | || (int) face->font == FACE_DEFAULT) | |
485 | { | |
486 | gc = f->display.x->cursor_gc; | |
487 | } | |
488 | /* Cursor on non-default face: must merge. */ | |
489 | else | |
490 | { | |
491 | XGCValues xgcv; | |
492 | unsigned long mask; | |
493 | ||
494 | xgcv.background = f->display.x->cursor_pixel; | |
495 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
496 | xgcv.font = face->font->fid; | |
497 | xgcv.graphics_exposures = 0; | |
498 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
499 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
500 | mask, &xgcv); | |
b73b6aaf | 501 | #if 0 |
b5cf7a0e JB |
502 | if (face->stipple && face->stipple != FACE_DEFAULT) |
503 | XSetStipple (x_current_display, gc, face->stipple); | |
b73b6aaf | 504 | #endif |
b5cf7a0e JB |
505 | gc_temporary = 1; |
506 | } | |
07e34cb0 | 507 | } |
07e34cb0 | 508 | |
b5cf7a0e JB |
509 | if ((int) font == FACE_DEFAULT) |
510 | font = f->display.x->font; | |
511 | ||
07e34cb0 JB |
512 | XDrawImageString (x_current_display, window, gc, |
513 | left, top + FONT_BASE (font), buf, len); | |
07e34cb0 | 514 | |
b73b6aaf RS |
515 | if (gc_temporary) |
516 | XFreeGC (x_current_display, gc); | |
517 | ||
07e34cb0 JB |
518 | /* We should probably check for XA_UNDERLINE_POSITION and |
519 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
520 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 521 | { |
4a4dc352 | 522 | int underline_position = 1; |
07e34cb0 | 523 | |
4a4dc352 JB |
524 | if (font->descent <= underline_position) |
525 | underline_position = font->descent - 1; | |
07e34cb0 JB |
526 | |
527 | if (face->underline) | |
528 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
529 | FACE_GC (face), | |
530 | left, (top | |
531 | + FONT_BASE (font) | |
532 | + underline_position), | |
533 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 534 | } |
07e34cb0 JB |
535 | |
536 | left += len * FONT_WIDTH (font); | |
537 | } | |
dc6f92b8 JB |
538 | } |
539 | } | |
07e34cb0 JB |
540 | #endif /* 1 */ |
541 | ||
542 | #if 0 | |
543 | /* This is the old single-face code. */ | |
544 | ||
545 | static void | |
546 | dumpglyphs (f, left, top, gp, n, hl, font) | |
547 | struct frame *f; | |
548 | int left, top; | |
549 | register GLYPH *gp; /* Points to first GLYPH. */ | |
550 | register int n; /* Number of glyphs to display. */ | |
551 | int hl; | |
552 | FONT_TYPE *font; | |
553 | { | |
554 | register int len; | |
555 | Window window = FRAME_X_WINDOW (f); | |
556 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
557 | : (hl ? f->display.x->reverse_gc | |
558 | : f->display.x->normal_gc)); | |
559 | ||
560 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
561 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
562 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
563 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
564 | XDrawImageString (x_current_display, window, drawing_gc, | |
565 | left, top + FONT_BASE (font), (char *) gp, n); | |
566 | else | |
567 | /* What size of glyph ARE you using? And does X have a function to | |
568 | draw them? */ | |
569 | abort (); | |
570 | } | |
571 | #endif | |
dc6f92b8 | 572 | \f |
f451eb13 JB |
573 | /* Output some text at the nominal frame cursor position. |
574 | Advance the cursor over the text. | |
dc6f92b8 JB |
575 | Output LEN glyphs at START. |
576 | ||
577 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
578 | controls the pixel values used for foreground and background. */ | |
579 | ||
580 | static | |
581 | XTwrite_glyphs (start, len) | |
582 | register GLYPH *start; | |
583 | int len; | |
584 | { | |
585 | register int temp_length; | |
586 | int mask; | |
f676886a | 587 | struct frame *f; |
dc6f92b8 JB |
588 | |
589 | BLOCK_INPUT; | |
590 | ||
f676886a JB |
591 | f = updating_frame; |
592 | if (f == 0) | |
dc6f92b8 | 593 | { |
f676886a | 594 | f = selected_frame; |
dc6f92b8 | 595 | /* If not within an update, |
f676886a JB |
596 | output at the frame's visible cursor. */ |
597 | curs_x = f->cursor_x; | |
598 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
599 | } |
600 | ||
f676886a | 601 | dumpglyphs (f, |
12ba150f JB |
602 | CHAR_TO_PIXEL_COL (f, curs_x), |
603 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
07e34cb0 | 604 | start, len, highlight); |
90e65f07 JB |
605 | |
606 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
607 | if (curs_y == f->phys_cursor_y |
608 | && curs_x <= f->phys_cursor_x | |
609 | && curs_x + len > f->phys_cursor_x) | |
610 | f->phys_cursor_x = -1; | |
dc6f92b8 | 611 | |
f676886a | 612 | if (updating_frame == 0) |
dc6f92b8 | 613 | { |
f676886a JB |
614 | f->cursor_x += len; |
615 | x_display_cursor (f, 1); | |
616 | f->cursor_x -= len; | |
dc6f92b8 JB |
617 | } |
618 | else | |
619 | curs_x += len; | |
620 | ||
621 | UNBLOCK_INPUT; | |
622 | } | |
623 | \f | |
f451eb13 JB |
624 | /* Clear to the end of the line. |
625 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
626 | to column FIRST_UNUSED (exclusive). The idea is that everything |
627 | from FIRST_UNUSED onward is already erased. */ | |
628 | ||
4746118a | 629 | static int |
dc6f92b8 JB |
630 | XTclear_end_of_line (first_unused) |
631 | register int first_unused; | |
632 | { | |
f676886a | 633 | struct frame *f = updating_frame; |
dc6f92b8 JB |
634 | int mask; |
635 | ||
f676886a | 636 | if (f == 0) |
dc6f92b8 JB |
637 | abort (); |
638 | ||
f676886a | 639 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
640 | return; |
641 | if (first_unused <= 0) | |
642 | return; | |
643 | ||
f676886a JB |
644 | if (first_unused >= f->width) |
645 | first_unused = f->width; | |
dc6f92b8 JB |
646 | |
647 | BLOCK_INPUT; | |
648 | ||
90e65f07 | 649 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
650 | if (curs_y == f->phys_cursor_y |
651 | && curs_x <= f->phys_cursor_x | |
652 | && f->phys_cursor_x < first_unused) | |
653 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
654 | |
655 | #ifdef HAVE_X11 | |
c118dd06 | 656 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
657 | CHAR_TO_PIXEL_COL (f, curs_x), |
658 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
659 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
660 | FONT_HEIGHT (f->display.x->font), False); | |
dc6f92b8 | 661 | |
c118dd06 JB |
662 | #else /* ! defined (HAVE_X11) */ |
663 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
664 | CHAR_TO_PIXEL_COL (f, curs_x), |
665 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
666 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
667 | FONT_HEIGHT (f->display.x->font), | |
668 | f->display.x->background_pixel); | |
c118dd06 | 669 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
670 | |
671 | UNBLOCK_INPUT; | |
672 | } | |
673 | ||
674 | static | |
f676886a | 675 | XTclear_frame () |
dc6f92b8 JB |
676 | { |
677 | int mask; | |
f676886a | 678 | struct frame *f = updating_frame; |
dc6f92b8 | 679 | |
f676886a JB |
680 | if (f == 0) |
681 | f = selected_frame; | |
dc6f92b8 | 682 | |
f676886a | 683 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
684 | curs_x = 0; /* Nominal cursor position is top left. */ |
685 | curs_y = 0; | |
686 | ||
687 | BLOCK_INPUT; | |
dbc4e1c1 | 688 | |
c118dd06 | 689 | XClear (FRAME_X_WINDOW (f)); |
dbc4e1c1 | 690 | |
ab648270 | 691 | /* We have to clear the scroll bars, too. If we have changed |
dbc4e1c1 | 692 | colors or something like that, then they should be notified. */ |
ab648270 | 693 | x_scroll_bar_clear (f); |
dbc4e1c1 | 694 | |
dc6f92b8 | 695 | #ifndef HAVE_X11 |
f676886a | 696 | dumpborder (f, 0); |
c118dd06 | 697 | #endif /* HAVE_X11 */ |
dbc4e1c1 | 698 | |
dc6f92b8 JB |
699 | XFlushQueue (); |
700 | UNBLOCK_INPUT; | |
701 | } | |
702 | \f | |
dbc4e1c1 JB |
703 | /* Invert the middle quarter of the frame for .15 sec. */ |
704 | ||
705 | /* We use the select system call to do the waiting, so we have to make sure | |
706 | it's avaliable. If it isn't, we just won't do visual bells. */ | |
707 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) | |
708 | ||
709 | /* Subtract the `struct timeval' values X and Y, | |
710 | storing the result in RESULT. | |
711 | Return 1 if the difference is negative, otherwise 0. */ | |
712 | ||
713 | static int | |
714 | timeval_subtract (result, x, y) | |
715 | struct timeval *result, x, y; | |
716 | { | |
717 | /* Perform the carry for the later subtraction by updating y. | |
718 | This is safer because on some systems | |
719 | the tv_sec member is unsigned. */ | |
720 | if (x.tv_usec < y.tv_usec) | |
721 | { | |
722 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
723 | y.tv_usec -= 1000000 * nsec; | |
724 | y.tv_sec += nsec; | |
725 | } | |
726 | if (x.tv_usec - y.tv_usec > 1000000) | |
727 | { | |
728 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
729 | y.tv_usec += 1000000 * nsec; | |
730 | y.tv_sec -= nsec; | |
731 | } | |
732 | ||
733 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
734 | result->tv_sec = x.tv_sec - y.tv_sec; | |
735 | result->tv_usec = x.tv_usec - y.tv_usec; | |
736 | ||
737 | /* Return indication of whether the result should be considered negative. */ | |
738 | return x.tv_sec < y.tv_sec; | |
739 | } | |
dc6f92b8 | 740 | |
f676886a JB |
741 | XTflash (f) |
742 | struct frame *f; | |
dc6f92b8 | 743 | { |
dbc4e1c1 | 744 | BLOCK_INPUT; |
dc6f92b8 | 745 | |
dbc4e1c1 JB |
746 | { |
747 | GC gc; | |
dc6f92b8 | 748 | |
dbc4e1c1 JB |
749 | /* Create a GC that will use the GXxor function to flip foreground pixels |
750 | into background pixels. */ | |
751 | { | |
752 | XGCValues values; | |
dc6f92b8 | 753 | |
dbc4e1c1 JB |
754 | values.function = GXxor; |
755 | values.foreground = (f->display.x->foreground_pixel | |
756 | ^ f->display.x->background_pixel); | |
757 | ||
758 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
759 | GCFunction | GCForeground, &values); | |
760 | } | |
dc6f92b8 | 761 | |
dbc4e1c1 JB |
762 | { |
763 | int width = PIXEL_WIDTH (f); | |
764 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 765 | |
dbc4e1c1 JB |
766 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
767 | width/4, height/4, width/2, height/2); | |
768 | XFlush (x_current_display); | |
dc6f92b8 | 769 | |
dbc4e1c1 JB |
770 | { |
771 | struct timeval wakeup, now; | |
dc6f92b8 | 772 | |
dbc4e1c1 | 773 | gettimeofday (&wakeup, (struct timezone *) 0); |
dc6f92b8 | 774 | |
dbc4e1c1 JB |
775 | /* Compute time to wait until, propagating carry from usecs. */ |
776 | wakeup.tv_usec += 150000; | |
777 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
778 | wakeup.tv_usec %= 1000000; | |
779 | ||
780 | /* Keep waiting until past the time wakeup. */ | |
781 | while (1) | |
782 | { | |
783 | struct timeval timeout; | |
784 | ||
785 | gettimeofday (&timeout, (struct timezone *)0); | |
786 | ||
787 | /* In effect, timeout = wakeup - timeout. | |
788 | Break if result would be negative. */ | |
789 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
790 | break; | |
791 | ||
792 | /* Try to wait that long--but we might wake up sooner. */ | |
793 | select (0, 0, 0, 0, &timeout); | |
794 | } | |
795 | } | |
796 | ||
797 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
798 | width/4, height/4, width/2, height/2); | |
799 | XFreeGC (x_current_display, gc); | |
800 | XFlush (x_current_display); | |
dc6f92b8 | 801 | } |
dbc4e1c1 JB |
802 | } |
803 | ||
804 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
805 | } |
806 | ||
dbc4e1c1 JB |
807 | #endif |
808 | ||
809 | ||
dc6f92b8 JB |
810 | /* Make audible bell. */ |
811 | ||
812 | #ifdef HAVE_X11 | |
813 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 814 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 815 | #define XRINGBELL XFeep(0); |
c118dd06 | 816 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
817 | |
818 | XTring_bell () | |
819 | { | |
5a6ef893 RS |
820 | if (x_current_display == 0) |
821 | return; | |
822 | ||
dbc4e1c1 | 823 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 824 | if (visible_bell) |
f676886a | 825 | XTflash (selected_frame); |
dc6f92b8 | 826 | else |
dbc4e1c1 | 827 | #endif |
dc6f92b8 JB |
828 | { |
829 | BLOCK_INPUT; | |
830 | XRINGBELL; | |
831 | XFlushQueue (); | |
832 | UNBLOCK_INPUT; | |
833 | } | |
834 | } | |
835 | \f | |
f451eb13 JB |
836 | /* Insert and delete character. |
837 | These are not supposed to be used because we are supposed to turn | |
838 | off the feature of using them. */ | |
dc6f92b8 JB |
839 | |
840 | static | |
841 | XTinsert_glyphs (start, len) | |
842 | register char *start; | |
843 | register int len; | |
844 | { | |
845 | abort (); | |
846 | } | |
847 | ||
848 | static | |
849 | XTdelete_glyphs (n) | |
850 | register int n; | |
851 | { | |
852 | abort (); | |
853 | } | |
854 | \f | |
855 | /* Specify how many text lines, from the top of the window, | |
856 | should be affected by insert-lines and delete-lines operations. | |
857 | This, and those operations, are used only within an update | |
858 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
859 | ||
860 | static | |
861 | XTset_terminal_window (n) | |
862 | register int n; | |
863 | { | |
f676886a | 864 | if (updating_frame == 0) |
dc6f92b8 JB |
865 | abort (); |
866 | ||
f676886a JB |
867 | if ((n <= 0) || (n > updating_frame->height)) |
868 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
869 | else |
870 | flexlines = n; | |
871 | } | |
872 | \f | |
f451eb13 JB |
873 | /* Perform an insert-lines operation. |
874 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
875 | |
876 | static void | |
877 | stufflines (n) | |
878 | register int n; | |
879 | { | |
880 | register int topregion, bottomregion; | |
881 | register int length, newtop, mask; | |
f676886a JB |
882 | register struct frame *f = updating_frame; |
883 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
884 | |
885 | if (curs_y >= flexlines) | |
886 | return; | |
887 | ||
888 | topregion = curs_y; | |
889 | bottomregion = flexlines - (n + 1); | |
890 | newtop = topregion + n; | |
891 | length = (bottomregion - topregion) + 1; | |
892 | ||
893 | #ifndef HAVE_X11 | |
894 | dumpqueue (); | |
c118dd06 | 895 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
896 | |
897 | if ((length > 0) && (newtop <= flexlines)) | |
898 | { | |
899 | #ifdef HAVE_X11 | |
c118dd06 JB |
900 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
901 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 902 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
903 | f->width * FONT_WIDTH (f->display.x->font), |
904 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 905 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
906 | #else /* ! defined (HAVE_X11) */ |
907 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
908 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
909 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
910 | f->width * FONT_WIDTH (f->display.x->font), |
911 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
912 | /* Now we must process any ExposeRegion events that occur |
913 | if the area being copied from is obscured. | |
914 | We can't let it wait because further i/d operations | |
915 | may want to copy this area to another area. */ | |
916 | x_read_exposes (); | |
c118dd06 | 917 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
918 | } |
919 | ||
920 | newtop = min (newtop, (flexlines - 1)); | |
921 | length = newtop - topregion; | |
922 | if (length > 0) | |
923 | { | |
924 | #ifdef HAVE_X11 | |
c118dd06 | 925 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 926 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
927 | f->width * FONT_WIDTH (f->display.x->font), |
928 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
929 | #else /* ! defined (HAVE_X11) */ |
930 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 931 | intborder, |
12ba150f | 932 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
933 | f->width * FONT_WIDTH (f->display.x->font), |
934 | n * FONT_HEIGHT (f->display.x->font), | |
935 | f->display.x->background_pixel); | |
c118dd06 | 936 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
937 | } |
938 | } | |
939 | ||
940 | /* Perform a delete-lines operation, deleting N lines | |
941 | at a vertical position curs_y. */ | |
942 | ||
943 | static void | |
944 | scraplines (n) | |
945 | register int n; | |
946 | { | |
947 | int mask; | |
f676886a JB |
948 | register struct frame *f = updating_frame; |
949 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
950 | |
951 | if (curs_y >= flexlines) | |
952 | return; | |
953 | ||
954 | #ifndef HAVE_X11 | |
955 | dumpqueue (); | |
c118dd06 | 956 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
957 | |
958 | if ((curs_y + n) >= flexlines) | |
959 | { | |
960 | if (flexlines >= (curs_y + 1)) | |
961 | { | |
962 | #ifdef HAVE_X11 | |
c118dd06 | 963 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 964 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
965 | f->width * FONT_WIDTH (f->display.x->font), |
966 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
967 | #else /* ! defined (HAVE_X11) */ |
968 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 969 | intborder, 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), | |
972 | f->display.x->background_pixel); | |
c118dd06 | 973 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
974 | } |
975 | } | |
976 | else | |
977 | { | |
978 | #ifdef HAVE_X11 | |
c118dd06 JB |
979 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
980 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 981 | intborder, |
12ba150f | 982 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
983 | f->width * FONT_WIDTH (f->display.x->font), |
984 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 985 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 986 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 987 | intborder, |
12ba150f | 988 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
989 | f->width * FONT_WIDTH (f->display.x->font), |
990 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
991 | #else /* ! defined (HAVE_X11) */ |
992 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 993 | intborder, |
12ba150f JB |
994 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
995 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
996 | f->width * FONT_WIDTH (f->display.x->font), |
997 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
998 | /* Now we must process any ExposeRegion events that occur |
999 | if the area being copied from is obscured. | |
1000 | We can't let it wait because further i/d operations | |
1001 | may want to copy this area to another area. */ | |
1002 | x_read_exposes (); | |
c118dd06 | 1003 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 1004 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
1005 | f->width * FONT_WIDTH (f->display.x->font), |
1006 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 1007 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1008 | } |
1009 | } | |
1010 | ||
1011 | /* Perform an insert-lines or delete-lines operation, | |
1012 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1013 | ||
1014 | XTins_del_lines (vpos, n) | |
1015 | int vpos, n; | |
1016 | { | |
f676886a | 1017 | if (updating_frame == 0) |
dc6f92b8 JB |
1018 | abort (); |
1019 | ||
90e65f07 | 1020 | /* Hide the cursor. */ |
f676886a | 1021 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1022 | |
1023 | XTcursor_to (vpos, 0); | |
1024 | ||
1025 | BLOCK_INPUT; | |
1026 | if (n >= 0) | |
1027 | stufflines (n); | |
1028 | else | |
1029 | scraplines (-n); | |
1030 | XFlushQueue (); | |
1031 | UNBLOCK_INPUT; | |
1032 | } | |
1033 | \f | |
f451eb13 | 1034 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1035 | static void clear_cursor (); |
1036 | ||
f676886a JB |
1037 | /* Output into a rectangle of an X-window (for frame F) |
1038 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
1039 | TOP and LEFT are the position of the upper left corner of the rectangle. |
1040 | ROWS and COLS are the size of the rectangle. */ | |
1041 | ||
1042 | static void | |
f676886a JB |
1043 | dumprectangle (f, left, top, cols, rows) |
1044 | struct frame *f; | |
dc6f92b8 JB |
1045 | register int left, top, cols, rows; |
1046 | { | |
f676886a | 1047 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1048 | int cursor_cleared = 0; |
1049 | int bottom, right; | |
1050 | register int y; | |
1051 | ||
f676886a | 1052 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1053 | return; |
1054 | ||
dc6f92b8 JB |
1055 | /* Express rectangle as four edges, instead of position-and-size. */ |
1056 | bottom = top + rows; | |
1057 | right = left + cols; | |
1058 | ||
1059 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1060 | { |
1061 | int intborder = f->display.x->internal_border_width; | |
1062 | ||
1063 | /* If the rectangle includes any of the internal border area, | |
1064 | redisplay the border emphasis. */ | |
1065 | if (top < intborder || left < intborder | |
1066 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1067 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1068 | dumpborder (f, 0); | |
1069 | } | |
d065dd2e | 1070 | #endif /* HAVE_X11 Window manger does this for X11. */ |
dc6f92b8 JB |
1071 | |
1072 | /* Convert rectangle edges in pixels to edges in chars. | |
1073 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1074 | top = PIXEL_TO_CHAR_ROW (f, top); |
1075 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1076 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1077 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1078 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1079 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1080 | |
1081 | /* Clip the rectangle to what can be visible. */ | |
1082 | if (left < 0) | |
1083 | left = 0; | |
1084 | if (top < 0) | |
1085 | top = 0; | |
f676886a JB |
1086 | if (right > f->width) |
1087 | right = f->width; | |
1088 | if (bottom > f->height) | |
1089 | bottom = f->height; | |
dc6f92b8 JB |
1090 | |
1091 | /* Get size in chars of the rectangle. */ | |
1092 | cols = right - left; | |
1093 | rows = bottom - top; | |
1094 | ||
1095 | /* If rectangle has zero area, return. */ | |
1096 | if (rows <= 0) return; | |
1097 | if (cols <= 0) return; | |
1098 | ||
1099 | /* Turn off the cursor if it is in the rectangle. | |
1100 | We will turn it back on afterward. */ | |
f676886a JB |
1101 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1102 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1103 | { |
f676886a | 1104 | clear_cursor (f); |
dc6f92b8 JB |
1105 | cursor_cleared = 1; |
1106 | } | |
1107 | ||
1108 | /* Display the text in the rectangle, one text line at a time. */ | |
1109 | ||
1110 | for (y = top; y < bottom; y++) | |
1111 | { | |
f676886a | 1112 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1113 | |
f676886a | 1114 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1115 | continue; |
1116 | ||
f676886a | 1117 | dumpglyphs (f, |
12ba150f JB |
1118 | CHAR_TO_PIXEL_COL (f, left), |
1119 | CHAR_TO_PIXEL_ROW (f, y), | |
1120 | line, min (cols, active_frame->used[y] - left), | |
07e34cb0 | 1121 | active_frame->highlight[y]); |
dc6f92b8 JB |
1122 | } |
1123 | ||
1124 | /* Turn the cursor on if we turned it off. */ | |
1125 | ||
1126 | if (cursor_cleared) | |
f676886a | 1127 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1128 | } |
1129 | ||
1130 | #ifndef HAVE_X11 | |
1131 | /* Process all queued ExposeRegion events. */ | |
1132 | ||
1133 | static void | |
1134 | dumpqueue () | |
1135 | { | |
1136 | register int i; | |
1137 | XExposeRegionEvent r; | |
1138 | ||
1139 | while (dequeue_event (&r, &x_expose_queue)) | |
1140 | { | |
f676886a JB |
1141 | struct frame *f = x_window_to_frame (r.window); |
1142 | if (f->display.x->icon_desc == r.window) | |
1143 | refreshicon (f); | |
dc6f92b8 | 1144 | else |
f676886a | 1145 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1146 | } |
1147 | XFlushQueue (); | |
1148 | } | |
c118dd06 | 1149 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1150 | \f |
f451eb13 | 1151 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1152 | Redraws the cursor if necessary on any frame that |
1153 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1154 | |
f451eb13 | 1155 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1156 | static void |
1157 | x_do_pending_expose () | |
1158 | { | |
1159 | int mask; | |
f676886a JB |
1160 | struct frame *f; |
1161 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1162 | |
1163 | if (expose_all_windows) | |
1164 | { | |
1165 | expose_all_windows = 0; | |
f676886a | 1166 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1167 | { |
1168 | register int temp_width, temp_height; | |
1169 | int intborder; | |
1170 | ||
f676886a | 1171 | frame = XCONS (tail)->car; |
ab648270 | 1172 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1173 | continue; |
f676886a | 1174 | f = XFRAME (frame); |
b1c884c3 | 1175 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1176 | continue; |
3a88c238 | 1177 | if (!f->async_visible) |
dc6f92b8 | 1178 | continue; |
f676886a | 1179 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1180 | continue; |
1181 | ||
f676886a | 1182 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1183 | |
f676886a | 1184 | clear_cursor (f); |
c118dd06 | 1185 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1186 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1187 | - f->display.x->v_scroll_bar_width) |
f676886a | 1188 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1189 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1190 | - f->display.x->h_scroll_bar_height) |
f676886a JB |
1191 | / FONT_HEIGHT (f->display.x->font)); |
1192 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1193 | { |
f676886a | 1194 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1195 | max (1, temp_width), 0, 1); |
ab648270 | 1196 | x_resize_scroll_bars (f); |
dc6f92b8 | 1197 | } |
f676886a JB |
1198 | f->display.x->left_pos = windowinfo.x; |
1199 | f->display.x->top_pos = windowinfo.y; | |
1200 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1201 | #if 0 |
f676886a | 1202 | dumpborder (f, 0); |
c118dd06 | 1203 | #endif /* ! 0 */ |
f676886a JB |
1204 | f->display.x->needs_exposure = 0; |
1205 | if (updating_frame != f) | |
1206 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1207 | XFlushQueue (); |
1208 | } | |
1209 | } | |
1210 | else | |
1211 | /* Handle any individual-rectangle expose events queued | |
1212 | for various windows. */ | |
1213 | #ifdef HAVE_X11 | |
1214 | ; | |
c118dd06 | 1215 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1216 | dumpqueue (); |
c118dd06 | 1217 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1218 | } |
f451eb13 | 1219 | #endif |
dc6f92b8 JB |
1220 | |
1221 | #ifdef HAVE_X11 | |
1222 | static void | |
f676886a JB |
1223 | frame_highlight (frame) |
1224 | struct frame *frame; | |
dc6f92b8 JB |
1225 | { |
1226 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1227 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1228 | frame->display.x->border_pixel); |
1229 | x_display_cursor (frame, 1); | |
dc6f92b8 JB |
1230 | } |
1231 | ||
1232 | static void | |
f676886a JB |
1233 | frame_unhighlight (frame) |
1234 | struct frame *frame; | |
dc6f92b8 JB |
1235 | { |
1236 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1237 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1238 | frame->display.x->border_tile); |
1239 | x_display_cursor (frame, 1); | |
dc6f92b8 | 1240 | } |
c118dd06 | 1241 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1242 | /* Dump the border-emphasis of frame F. |
1243 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1244 | just within the border, occupying a portion of the internal border. |
f676886a | 1245 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1246 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1247 | ||
f676886a | 1248 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1249 | In that case, we also turn the cursor off and on again |
1250 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1251 | ||
1252 | static void | |
f676886a JB |
1253 | dumpborder (f, always) |
1254 | struct frame *f; | |
dc6f92b8 JB |
1255 | int always; |
1256 | { | |
f676886a JB |
1257 | int thickness = f->display.x->internal_border_width / 2; |
1258 | int width = PIXEL_WIDTH (f); | |
1259 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1260 | int pixel; |
1261 | ||
f676886a | 1262 | if (f != selected_frame) |
dc6f92b8 JB |
1263 | { |
1264 | if (!always) | |
1265 | return; | |
1266 | ||
f676886a | 1267 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1268 | } |
1269 | else | |
1270 | { | |
f676886a | 1271 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1272 | } |
1273 | ||
c118dd06 JB |
1274 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1275 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1276 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1277 | thickness, pixel); |
c118dd06 | 1278 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1279 | height, pixel); |
1280 | ||
1281 | if (always) | |
f676886a | 1282 | x_display_cursor (f, 1); |
dc6f92b8 | 1283 | } |
c118dd06 | 1284 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1285 | |
f676886a | 1286 | static void XTframe_rehighlight (); |
6d4238f3 | 1287 | |
f676886a JB |
1288 | /* The focus has changed. Update the frames as necessary to reflect |
1289 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1290 | here, because the lisp code we are interrupting might become confused. |
f676886a | 1291 | Each event gets marked with the frame in which it occured, so the |
6d4238f3 | 1292 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1293 | |
6d4238f3 | 1294 | static void |
f676886a JB |
1295 | x_new_focus_frame (frame) |
1296 | struct frame *frame; | |
dc6f92b8 | 1297 | { |
f676886a | 1298 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1299 | int events_enqueued = 0; |
1300 | ||
f676886a | 1301 | if (frame != x_focus_frame) |
dc6f92b8 | 1302 | { |
6d4238f3 | 1303 | /* Set this before calling other routines, so that they see |
f676886a JB |
1304 | the correct value of x_focus_frame. */ |
1305 | x_focus_frame = frame; | |
6d4238f3 JB |
1306 | |
1307 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1308 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1309 | |
1310 | #if 0 | |
f676886a JB |
1311 | selected_frame = frame; |
1312 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1313 | Lisp_Frame, selected_frame); | |
1314 | Fselect_window (selected_frame->selected_window); | |
1315 | choose_minibuf_frame (); | |
c118dd06 | 1316 | #endif /* ! 0 */ |
dc6f92b8 | 1317 | |
f676886a JB |
1318 | if (x_focus_frame && x_focus_frame->auto_raise) |
1319 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1320 | } |
dc6f92b8 | 1321 | |
f676886a | 1322 | XTframe_rehighlight (); |
6d4238f3 JB |
1323 | } |
1324 | ||
1325 | ||
f451eb13 JB |
1326 | /* The focus has changed, or we have redirected a frame's focus to |
1327 | another frame (this happens when a frame uses a surrogate | |
1328 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1329 | static void |
f676886a | 1330 | XTframe_rehighlight () |
6d4238f3 | 1331 | { |
f676886a | 1332 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1333 | |
f676886a | 1334 | if (x_focus_frame) |
6d4238f3 | 1335 | { |
f451eb13 | 1336 | x_highlight_frame = |
ab648270 | 1337 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1338 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1339 | : x_focus_frame); | |
1340 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1341 | { | |
1342 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1343 | x_highlight_frame = x_focus_frame; | |
1344 | } | |
dc6f92b8 | 1345 | } |
6d4238f3 | 1346 | else |
f676886a | 1347 | x_highlight_frame = 0; |
dc6f92b8 | 1348 | |
f676886a | 1349 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1350 | { |
1351 | if (old_highlight) | |
f676886a JB |
1352 | frame_unhighlight (old_highlight); |
1353 | if (x_highlight_frame) | |
1354 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1355 | } |
dc6f92b8 JB |
1356 | } |
1357 | \f | |
e4571a43 | 1358 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1359 | |
28430d3c JB |
1360 | /* Which modifier keys are on which modifier bits? |
1361 | ||
1362 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1363 | keys were held down when the key was pressed. The interpretation |
1364 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1365 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1366 | is the meta bit. | |
1367 | ||
1368 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1369 | It may have more than one bit set, if more than one modifier bit | |
1370 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1371 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1372 | ||
1373 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1374 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1375 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1376 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1377 | arrangement, the lock modifier should shift the character if | |
1378 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1379 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1380 | |
a3c44b14 RS |
1381 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1382 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1383 | ||
28430d3c JB |
1384 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1385 | static void | |
1386 | x_find_modifier_meanings () | |
1387 | { | |
f689eb05 | 1388 | int min_code, max_code; |
28430d3c JB |
1389 | KeySym *syms; |
1390 | int syms_per_code; | |
1391 | XModifierKeymap *mods; | |
1392 | ||
1393 | x_meta_mod_mask = 0; | |
11edeb03 | 1394 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1395 | x_alt_mod_mask = 0; |
1396 | x_super_mod_mask = 0; | |
1397 | x_hyper_mod_mask = 0; | |
28430d3c | 1398 | |
9658a521 | 1399 | #ifdef HAVE_X11R4 |
28430d3c | 1400 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1401 | #else |
1402 | min_code = x_current_display->min_keycode; | |
1403 | max_code = x_current_display->max_keycode; | |
1404 | #endif | |
1405 | ||
28430d3c JB |
1406 | syms = XGetKeyboardMapping (x_current_display, |
1407 | min_code, max_code - min_code + 1, | |
1408 | &syms_per_code); | |
1409 | mods = XGetModifierMapping (x_current_display); | |
1410 | ||
11edeb03 JB |
1411 | /* Scan the modifier table to see which modifier bits the Meta and |
1412 | Alt keysyms are on. */ | |
28430d3c JB |
1413 | { |
1414 | int row, col; /* The row and column in the modifier table. */ | |
1415 | ||
1416 | for (row = 3; row < 8; row++) | |
1417 | for (col = 0; col < mods->max_keypermod; col++) | |
1418 | { | |
1419 | KeyCode code = | |
1420 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1421 | ||
1422 | /* Are any of this keycode's keysyms a meta key? */ | |
1423 | { | |
1424 | int code_col; | |
1425 | ||
1426 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1427 | { | |
f689eb05 | 1428 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1429 | |
f689eb05 | 1430 | switch (sym) |
28430d3c | 1431 | { |
f689eb05 JB |
1432 | case XK_Meta_L: |
1433 | case XK_Meta_R: | |
28430d3c JB |
1434 | x_meta_mod_mask |= (1 << row); |
1435 | break; | |
f689eb05 JB |
1436 | |
1437 | case XK_Alt_L: | |
1438 | case XK_Alt_R: | |
a3c44b14 RS |
1439 | x_alt_mod_mask |= (1 << row); |
1440 | break; | |
1441 | ||
1442 | case XK_Hyper_L: | |
1443 | case XK_Hyper_R: | |
1444 | x_hyper_mod_mask |= (1 << row); | |
1445 | break; | |
1446 | ||
1447 | case XK_Super_L: | |
1448 | case XK_Super_R: | |
1449 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1450 | break; |
11edeb03 JB |
1451 | |
1452 | case XK_Shift_Lock: | |
1453 | /* Ignore this if it's not on the lock modifier. */ | |
1454 | if ((1 << row) == LockMask) | |
1455 | x_shift_lock_mask = LockMask; | |
1456 | break; | |
28430d3c JB |
1457 | } |
1458 | } | |
1459 | } | |
1460 | } | |
1461 | } | |
1462 | ||
f689eb05 JB |
1463 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1464 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1465 | { |
1466 | x_meta_mod_mask = x_alt_mod_mask; | |
1467 | x_alt_mod_mask = 0; | |
1468 | } | |
f689eb05 | 1469 | |
148c4b70 RS |
1470 | /* If some keys are both alt and meta, |
1471 | make them just meta, not alt. */ | |
1472 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1473 | { | |
1474 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1475 | } | |
1476 | ||
28430d3c | 1477 | XFree ((char *) syms); |
f689eb05 | 1478 | XFreeModifiermap (mods); |
28430d3c JB |
1479 | } |
1480 | ||
1481 | ||
dfeccd2d JB |
1482 | /* Convert between the modifier bits X uses and the modifier bits |
1483 | Emacs uses. */ | |
7c5283e4 | 1484 | static unsigned int |
dfeccd2d | 1485 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1486 | unsigned int state; |
1487 | { | |
11edeb03 JB |
1488 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1489 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1490 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1491 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1492 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1493 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1494 | } |
1495 | ||
dfeccd2d JB |
1496 | static unsigned int |
1497 | x_emacs_to_x_modifiers (state) | |
1498 | unsigned int state; | |
1499 | { | |
1500 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1501 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1502 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1503 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1504 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1505 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1506 | } | |
1507 | ||
e4571a43 JB |
1508 | /* Return true iff KEYSYM is a vendor-specific keysym that we should |
1509 | return as a function key. If you add a keysym to this, you should | |
1510 | make sure that the tables make_lispy_event uses contain a suitable | |
1511 | name for it. */ | |
1512 | static int | |
1513 | x_is_vendor_fkey (sym) | |
1514 | KeySym sym; | |
1515 | { | |
1516 | return 0 | |
1517 | #ifdef DXK_Remove | |
1518 | || (sym == DXK_Remove) | |
1519 | #endif | |
1520 | ; | |
1521 | } | |
1522 | ||
1523 | \f | |
1524 | /* Mouse clicks and mouse movement. Rah. */ | |
1525 | #ifdef HAVE_X11 | |
1526 | ||
1527 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1528 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
1529 | that the glyph at X, Y occupies, if BOUNDS != 0. */ | |
1530 | static void | |
1531 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds) | |
1532 | FRAME_PTR f; | |
1533 | register unsigned int pix_x, pix_y; | |
1534 | register int *x, *y; | |
1535 | XRectangle *bounds; | |
1536 | { | |
1537 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); | |
1538 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1539 | ||
1540 | if (bounds) | |
1541 | { | |
1542 | bounds->width = FONT_WIDTH (f->display.x->font); | |
1543 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1544 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1545 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1546 | } | |
1547 | ||
1548 | if (pix_x < 0) pix_x = 0; | |
1549 | else if (pix_x > f->width) pix_x = f->width; | |
1550 | ||
1551 | if (pix_y < 0) pix_y = 0; | |
1552 | else if (pix_y > f->height) pix_y = f->height; | |
1553 | ||
1554 | *x = pix_x; | |
1555 | *y = pix_y; | |
1556 | } | |
1557 | ||
1558 | /* Any buttons grabbed. */ | |
1559 | unsigned int x_mouse_grabbed; | |
1560 | ||
dc6f92b8 JB |
1561 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1562 | ||
1563 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1564 | the mouse. */ |
dc6f92b8 JB |
1565 | |
1566 | static Lisp_Object | |
f451eb13 | 1567 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1568 | struct input_event *result; |
1569 | XButtonEvent *event; | |
f676886a | 1570 | struct frame *f; |
dc6f92b8 | 1571 | { |
f451eb13 | 1572 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1573 | otherwise. */ |
f451eb13 JB |
1574 | result->kind = mouse_click; |
1575 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1576 | result->timestamp = event->time; |
dfeccd2d | 1577 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
1578 | | (event->type == ButtonRelease |
1579 | ? up_modifier | |
1580 | : down_modifier)); | |
dc6f92b8 JB |
1581 | |
1582 | /* Notice if the mouse is still grabbed. */ | |
1583 | if (event->type == ButtonPress) | |
1584 | { | |
1585 | if (! x_mouse_grabbed) | |
1586 | Vmouse_depressed = Qt; | |
90e65f07 | 1587 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1588 | } |
1589 | else if (event->type == ButtonRelease) | |
1590 | { | |
90e65f07 | 1591 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1592 | if (!x_mouse_grabbed) |
1593 | Vmouse_depressed = Qnil; | |
1594 | } | |
1595 | ||
f451eb13 JB |
1596 | { |
1597 | int row, column; | |
dc6f92b8 | 1598 | |
f451eb13 JB |
1599 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1600 | XFASTINT (result->x) = column; | |
1601 | XFASTINT (result->y) = row; | |
12ba150f | 1602 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1603 | } |
dc6f92b8 JB |
1604 | } |
1605 | ||
1606 | ||
90e65f07 JB |
1607 | /* Mouse movement. Rah. |
1608 | ||
1609 | In order to avoid asking for motion events and then throwing most | |
1610 | of them away or busy-polling the server for mouse positions, we ask | |
1611 | the server for pointer motion hints. This means that we get only | |
1612 | one event per group of mouse movements. "Groups" are delimited by | |
1613 | other kinds of events (focus changes and button clicks, for | |
1614 | example), or by XQueryPointer calls; when one of these happens, we | |
1615 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1616 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1617 | tracking is on, and I suspect only negligibly worse when tracking |
1618 | is off. | |
1619 | ||
1620 | The silly O'Reilly & Associates Nutshell guides barely document | |
1621 | pointer motion hints at all (I think you have to infer how they | |
1622 | work from an example), and the description of XQueryPointer doesn't | |
1623 | mention that calling it causes you to get another motion hint from | |
1624 | the server, which is very important. */ | |
1625 | ||
1626 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1627 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1628 | static XRectangle last_mouse_glyph; |
1629 | ||
ab648270 | 1630 | /* The scroll bar in which the last X motion event occurred. |
12ba150f | 1631 | |
ab648270 JB |
1632 | If the last X motion event occured in a scroll bar, we set this |
1633 | so XTmouse_position can know whether to report a scroll bar motion or | |
12ba150f JB |
1634 | an ordinary motion. |
1635 | ||
ab648270 | 1636 | If the last X motion event didn't occur in a scroll bar, we set this |
12ba150f | 1637 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ |
ab648270 | 1638 | static Lisp_Object last_mouse_scroll_bar; |
f451eb13 | 1639 | |
e5d77022 JB |
1640 | /* This is a hack. We would really prefer that XTmouse_position would |
1641 | return the time associated with the position it returns, but there | |
1642 | doesn't seem to be any way to wrest the timestamp from the server | |
1643 | along with the position query. So, we just keep track of the time | |
1644 | of the last movement we received, and return that in hopes that | |
1645 | it's somewhat accurate. */ | |
1646 | static Time last_mouse_movement_time; | |
1647 | ||
90e65f07 JB |
1648 | /* Function to report a mouse movement to the mainstream Emacs code. |
1649 | The input handler calls this. | |
1650 | ||
1651 | We have received a mouse movement event, which is given in *event. | |
1652 | If the mouse is over a different glyph than it was last time, tell | |
1653 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1654 | another motion event, so we can check again the next time it moves. */ | |
1655 | static void | |
12ba150f | 1656 | note_mouse_movement (frame, event) |
f676886a | 1657 | FRAME_PTR frame; |
90e65f07 JB |
1658 | XMotionEvent *event; |
1659 | ||
1660 | { | |
e5d77022 JB |
1661 | last_mouse_movement_time = event->time; |
1662 | ||
90e65f07 JB |
1663 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1664 | if (event->x < last_mouse_glyph.x | |
1665 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1666 | || event->y < last_mouse_glyph.y | |
1667 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1668 | { |
1669 | mouse_moved = 1; | |
ab648270 | 1670 | last_mouse_scroll_bar = Qnil; |
12ba150f | 1671 | } |
90e65f07 JB |
1672 | else |
1673 | { | |
1674 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1675 | event the next time the mouse moves and we can see if it's | |
1676 | *still* on the same glyph. */ | |
1677 | int dummy; | |
1678 | ||
1679 | XQueryPointer (event->display, event->window, | |
1680 | (Window *) &dummy, (Window *) &dummy, | |
1681 | &dummy, &dummy, &dummy, &dummy, | |
1682 | (unsigned int *) &dummy); | |
1683 | } | |
1684 | } | |
1685 | ||
ab648270 JB |
1686 | static struct scroll_bar *x_window_to_scroll_bar (); |
1687 | static void x_scroll_bar_report_motion (); | |
12ba150f | 1688 | |
90e65f07 JB |
1689 | /* Return the current position of the mouse. |
1690 | ||
ab648270 JB |
1691 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
1692 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 1693 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 1694 | position on the scroll bar. |
12ba150f JB |
1695 | |
1696 | If the mouse movement started elsewhere, set *f to the frame the | |
1697 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1698 | the mouse is over. | |
1699 | ||
1700 | Set *time to the server timestamp for the time at which the mouse | |
1701 | was at this position. | |
1702 | ||
90e65f07 | 1703 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1704 | movement. This also calls XQueryPointer, which will cause the |
1705 | server to give us another MotionNotify when the mouse moves | |
1706 | again. */ | |
90e65f07 JB |
1707 | |
1708 | static void | |
12ba150f | 1709 | XTmouse_position (f, bar_window, part, x, y, time) |
f676886a | 1710 | FRAME_PTR *f; |
12ba150f | 1711 | Lisp_Object *bar_window; |
ab648270 | 1712 | enum scroll_bar_part *part; |
90e65f07 | 1713 | Lisp_Object *x, *y; |
e5d77022 | 1714 | unsigned long *time; |
90e65f07 | 1715 | { |
90e65f07 JB |
1716 | BLOCK_INPUT; |
1717 | ||
ab648270 JB |
1718 | if (! NILP (last_mouse_scroll_bar)) |
1719 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1720 | else |
1721 | { | |
12ba150f JB |
1722 | Window root; |
1723 | int root_x, root_y; | |
90e65f07 | 1724 | |
12ba150f JB |
1725 | Window dummy_window; |
1726 | int dummy; | |
1727 | ||
1728 | mouse_moved = 0; | |
ab648270 | 1729 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
1730 | |
1731 | /* Figure out which root window we're on. */ | |
1732 | XQueryPointer (x_current_display, | |
1733 | DefaultRootWindow (x_current_display), | |
1734 | ||
1735 | /* The root window which contains the pointer. */ | |
1736 | &root, | |
1737 | ||
1738 | /* Trash which we can't trust if the pointer is on | |
1739 | a different screen. */ | |
1740 | &dummy_window, | |
1741 | ||
1742 | /* The position on that root window. */ | |
1743 | &root_x, &root_y, | |
1744 | ||
1745 | /* More trash we can't trust. */ | |
1746 | &dummy, &dummy, | |
1747 | ||
1748 | /* Modifier keys and pointer buttons, about which | |
1749 | we don't care. */ | |
1750 | (unsigned int *) &dummy); | |
1751 | ||
1752 | /* Now we have a position on the root; find the innermost window | |
1753 | containing the pointer. */ | |
1754 | { | |
1755 | Window win, child; | |
1756 | int win_x, win_y; | |
1757 | int parent_x, parent_y; | |
1758 | ||
1759 | win = root; | |
1760 | for (;;) | |
1761 | { | |
1762 | XTranslateCoordinates (x_current_display, | |
1763 | ||
1764 | /* From-window, to-window. */ | |
1765 | root, win, | |
1766 | ||
1767 | /* From-position, to-position. */ | |
1768 | root_x, root_y, &win_x, &win_y, | |
1769 | ||
1770 | /* Child of win. */ | |
1771 | &child); | |
1772 | ||
1773 | if (child == None) | |
1774 | break; | |
1775 | ||
1776 | win = child; | |
1777 | parent_x = win_x; | |
1778 | parent_y = win_y; | |
1779 | } | |
1780 | ||
1781 | /* Now we know that: | |
1782 | win is the innermost window containing the pointer | |
1783 | (XTC says it has no child containing the pointer), | |
1784 | win_x and win_y are the pointer's position in it | |
1785 | (XTC did this the last time through), and | |
1786 | parent_x and parent_y are the pointer's position in win's parent. | |
1787 | (They are what win_x and win_y were when win was child. | |
1788 | If win is the root window, it has no parent, and | |
1789 | parent_{x,y} are invalid, but that's okay, because we'll | |
1790 | never use them in that case.) */ | |
1791 | ||
1792 | /* Is win one of our frames? */ | |
1793 | *f = x_window_to_frame (win); | |
1794 | ||
ab648270 | 1795 | /* If not, is it one of our scroll bars? */ |
12ba150f JB |
1796 | if (! *f) |
1797 | { | |
ab648270 | 1798 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
1799 | |
1800 | if (bar) | |
1801 | { | |
1802 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1803 | win_x = parent_x; | |
1804 | win_y = parent_y; | |
1805 | } | |
1806 | } | |
90e65f07 | 1807 | |
12ba150f JB |
1808 | if (*f) |
1809 | { | |
1810 | pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y, | |
1811 | &last_mouse_glyph); | |
1812 | ||
1813 | *bar_window = Qnil; | |
1814 | *part = 0; | |
1815 | XSET (*x, Lisp_Int, win_x); | |
1816 | XSET (*y, Lisp_Int, win_y); | |
1817 | *time = last_mouse_movement_time; | |
1818 | } | |
1819 | } | |
1820 | } | |
90e65f07 JB |
1821 | |
1822 | UNBLOCK_INPUT; | |
1823 | } | |
1824 | ||
c118dd06 | 1825 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1826 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1827 | #endif /* ! defined (HAVE_X11) */ |
1828 | \f | |
ab648270 | 1829 | /* Scroll bar support. */ |
f451eb13 | 1830 | |
ab648270 JB |
1831 | /* Given an X window ID, find the struct scroll_bar which manages it. |
1832 | This can be called in GC, so we have to make sure to strip off mark | |
1833 | bits. */ | |
1834 | static struct scroll_bar * | |
1835 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
1836 | Window window_id; |
1837 | { | |
1838 | Lisp_Object tail, frame; | |
f451eb13 | 1839 | |
ab648270 JB |
1840 | for (tail = Vframe_list; |
1841 | XGCTYPE (tail) == Lisp_Cons; | |
1842 | tail = XCONS (tail)->cdr) | |
f451eb13 | 1843 | { |
f451eb13 | 1844 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1845 | Lisp_Object bar, condemned; |
f451eb13 JB |
1846 | |
1847 | /* All elements of Vframe_list should be frames. */ | |
ab648270 | 1848 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
1849 | abort (); |
1850 | ||
ab648270 | 1851 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 1852 | right window ID. */ |
ab648270 JB |
1853 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
1854 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 1855 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
1856 | condemned scroll bar lists with one loop. */ |
1857 | ! GC_NILP (bar) || (bar = condemned, | |
1858 | condemned = Qnil, | |
1859 | ! GC_NILP (bar)); | |
1860 | bar = XSCROLL_BAR(bar)->next) | |
1861 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1862 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
1863 | } |
1864 | ||
1865 | return 0; | |
1866 | } | |
1867 | ||
ab648270 JB |
1868 | /* Open a new X window to serve as a scroll bar, and return the |
1869 | scroll bar vector for it. */ | |
1870 | static struct scroll_bar * | |
1871 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 1872 | struct window *window; |
f451eb13 JB |
1873 | int top, left, width, height; |
1874 | { | |
12ba150f | 1875 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
1876 | struct scroll_bar *bar = |
1877 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
1878 | |
1879 | BLOCK_INPUT; | |
1880 | ||
1881 | { | |
1882 | XSetWindowAttributes a; | |
1883 | unsigned long mask; | |
1884 | ||
12ba150f JB |
1885 | a.background_pixel = frame->display.x->background_pixel; |
1886 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1887 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1888 | | ExposureMask); |
ab648270 | 1889 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 1890 | |
dbc4e1c1 | 1891 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 1892 | |
ab648270 | 1893 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
1894 | (bar, |
1895 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1896 | |
ab648270 | 1897 | /* Position and size of scroll bar. */ |
12ba150f | 1898 | left, top, width, height, |
f451eb13 | 1899 | |
12ba150f JB |
1900 | /* Border width, depth, class, and visual. */ |
1901 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1902 | |
12ba150f JB |
1903 | /* Attributes. */ |
1904 | mask, &a)); | |
f451eb13 JB |
1905 | } |
1906 | ||
12ba150f JB |
1907 | XSET (bar->window, Lisp_Window, window); |
1908 | XSET (bar->top, Lisp_Int, top); | |
1909 | XSET (bar->left, Lisp_Int, left); | |
1910 | XSET (bar->width, Lisp_Int, width); | |
1911 | XSET (bar->height, Lisp_Int, height); | |
1912 | XSET (bar->start, Lisp_Int, 0); | |
1913 | XSET (bar->end, Lisp_Int, 0); | |
1914 | bar->dragging = Qnil; | |
f451eb13 JB |
1915 | |
1916 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 1917 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 1918 | bar->prev = Qnil; |
ab648270 | 1919 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 1920 | if (! NILP (bar->next)) |
ab648270 | 1921 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 1922 | |
ab648270 | 1923 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
1924 | |
1925 | UNBLOCK_INPUT; | |
12ba150f JB |
1926 | |
1927 | return bar; | |
f451eb13 JB |
1928 | } |
1929 | ||
12ba150f JB |
1930 | /* Draw BAR's handle in the proper position. |
1931 | If the handle is already drawn from START to END, don't bother | |
1932 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1933 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1934 | events.) | |
1935 | ||
1936 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 1937 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
1938 | handle, we want to let them drag it down all the way, so that the |
1939 | bar's top is as far down as it goes; otherwise, there's no way to | |
1940 | move to the very end of the buffer. */ | |
f451eb13 | 1941 | static void |
ab648270 JB |
1942 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
1943 | struct scroll_bar *bar; | |
f451eb13 | 1944 | int start, end; |
12ba150f | 1945 | int rebuild; |
f451eb13 | 1946 | { |
12ba150f | 1947 | int dragging = ! NILP (bar->dragging); |
ab648270 | 1948 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
1949 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
1950 | ||
1951 | /* If the display is already accurate, do nothing. */ | |
1952 | if (! rebuild | |
1953 | && start == XINT (bar->start) | |
1954 | && end == XINT (bar->end)) | |
1955 | return; | |
1956 | ||
f451eb13 JB |
1957 | BLOCK_INPUT; |
1958 | ||
1959 | { | |
ab648270 JB |
1960 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
1961 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
1962 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
1963 | |
1964 | /* Make sure the values are reasonable, and try to preserve | |
1965 | the distance between start and end. */ | |
12ba150f JB |
1966 | { |
1967 | int length = end - start; | |
1968 | ||
1969 | if (start < 0) | |
1970 | start = 0; | |
1971 | else if (start > top_range) | |
1972 | start = top_range; | |
1973 | end = start + length; | |
1974 | ||
1975 | if (end < start) | |
1976 | end = start; | |
1977 | else if (end > top_range && ! dragging) | |
1978 | end = top_range; | |
1979 | } | |
f451eb13 | 1980 | |
ab648270 | 1981 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
1982 | XSET (bar->start, Lisp_Int, start); |
1983 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 1984 | |
12ba150f JB |
1985 | /* Clip the end position, just for display. */ |
1986 | if (end > top_range) | |
1987 | end = top_range; | |
f451eb13 | 1988 | |
ab648270 | 1989 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
1990 | below top positions, to make sure the handle is always at least |
1991 | that many pixels tall. */ | |
ab648270 | 1992 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 1993 | |
12ba150f JB |
1994 | /* Draw the empty space above the handle. Note that we can't clear |
1995 | zero-height areas; that means "clear to end of window." */ | |
1996 | if (0 < start) | |
1997 | XClearArea (x_current_display, w, | |
f451eb13 | 1998 | |
12ba150f | 1999 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2000 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2001 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2002 | inside_width, start, |
2003 | False); | |
f451eb13 | 2004 | |
12ba150f JB |
2005 | /* Draw the handle itself. */ |
2006 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2007 | |
12ba150f | 2008 | /* x, y, width, height */ |
ab648270 JB |
2009 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2010 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2011 | inside_width, end - start); |
f451eb13 | 2012 | |
f451eb13 | 2013 | |
12ba150f JB |
2014 | /* Draw the empty space below the handle. Note that we can't |
2015 | clear zero-height areas; that means "clear to end of window." */ | |
2016 | if (end < inside_height) | |
2017 | XClearArea (x_current_display, w, | |
f451eb13 | 2018 | |
12ba150f | 2019 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2020 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2021 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2022 | inside_width, inside_height - end, |
2023 | False); | |
f451eb13 | 2024 | |
f451eb13 JB |
2025 | } |
2026 | ||
f451eb13 JB |
2027 | UNBLOCK_INPUT; |
2028 | } | |
2029 | ||
ab648270 | 2030 | /* Move a scroll bar around on the screen, to accomodate changing |
12ba150f | 2031 | window configurations. */ |
f451eb13 | 2032 | static void |
ab648270 JB |
2033 | x_scroll_bar_move (bar, top, left, width, height) |
2034 | struct scroll_bar *bar; | |
f451eb13 JB |
2035 | int top, left, width, height; |
2036 | { | |
2037 | BLOCK_INPUT; | |
2038 | ||
2039 | { | |
2040 | XWindowChanges wc; | |
2041 | unsigned int mask = 0; | |
2042 | ||
2043 | wc.x = left; | |
2044 | wc.y = top; | |
2045 | wc.width = width; | |
2046 | wc.height = height; | |
2047 | ||
12ba150f JB |
2048 | if (left != XINT (bar->left)) mask |= CWX; |
2049 | if (top != XINT (bar->top)) mask |= CWY; | |
2050 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2051 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2052 | ||
2053 | if (mask) | |
ab648270 | 2054 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2055 | mask, &wc); |
f451eb13 JB |
2056 | } |
2057 | ||
12ba150f JB |
2058 | XSET (bar->left, Lisp_Int, left); |
2059 | XSET (bar->top, Lisp_Int, top); | |
2060 | XSET (bar->width, Lisp_Int, width); | |
2061 | XSET (bar->height, Lisp_Int, height); | |
2062 | ||
f451eb13 JB |
2063 | UNBLOCK_INPUT; |
2064 | } | |
2065 | ||
ab648270 | 2066 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2067 | to nil. */ |
2068 | static void | |
ab648270 JB |
2069 | x_scroll_bar_remove (bar) |
2070 | struct scroll_bar *bar; | |
12ba150f JB |
2071 | { |
2072 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2073 | ||
2074 | BLOCK_INPUT; | |
2075 | ||
2076 | /* Destroy the window. */ | |
ab648270 | 2077 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2078 | |
ab648270 JB |
2079 | /* Disassociate this scroll bar from its window. */ |
2080 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2081 | |
2082 | UNBLOCK_INPUT; | |
2083 | } | |
2084 | ||
2085 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2086 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2087 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2088 | create one. */ |
2089 | static void | |
ab648270 | 2090 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2091 | struct window *window; |
2092 | int portion, whole, position; | |
2093 | { | |
2094 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2095 | int top = XINT (window->top); |
ab648270 JB |
2096 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2097 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2098 | |
ab648270 | 2099 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2100 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2101 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2102 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2103 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2104 | |
ab648270 | 2105 | struct scroll_bar *bar; |
12ba150f | 2106 | |
ab648270 JB |
2107 | /* Does the scroll bar exist yet? */ |
2108 | if (NILP (window->vertical_scroll_bar)) | |
2109 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2110 | pixel_top, pixel_left, |
2111 | pixel_width, pixel_height); | |
2112 | else | |
12ba150f JB |
2113 | { |
2114 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2115 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2116 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2117 | } |
f451eb13 | 2118 | |
ab648270 | 2119 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2120 | dragged. */ |
12ba150f | 2121 | if (NILP (bar->dragging)) |
f451eb13 | 2122 | { |
12ba150f | 2123 | int top_range = |
ab648270 | 2124 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2125 | |
12ba150f | 2126 | if (whole == 0) |
ab648270 | 2127 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2128 | else |
2129 | { | |
2130 | int start = (position * top_range) / whole; | |
2131 | int end = ((position + portion) * top_range) / whole; | |
2132 | ||
ab648270 | 2133 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2134 | } |
f451eb13 JB |
2135 | } |
2136 | ||
ab648270 | 2137 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2138 | } |
2139 | ||
12ba150f | 2140 | |
f451eb13 | 2141 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2142 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2143 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2144 | away is a real pain - "Can you say set-window-configuration, boys |
2145 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2146 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2147 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2148 | |
ab648270 JB |
2149 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2150 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2151 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2152 | static void |
ab648270 | 2153 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2154 | FRAME_PTR frame; |
2155 | { | |
12ba150f JB |
2156 | /* The condemned list should be empty at this point; if it's not, |
2157 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2158 | protocol correctly. */ | |
ab648270 | 2159 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2160 | abort (); |
2161 | ||
2162 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2163 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2164 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2165 | } |
2166 | ||
ab648270 | 2167 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2168 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2169 | static void |
ab648270 | 2170 | XTredeem_scroll_bar (window) |
12ba150f | 2171 | struct window *window; |
f451eb13 | 2172 | { |
ab648270 | 2173 | struct scroll_bar *bar; |
12ba150f | 2174 | |
ab648270 JB |
2175 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2176 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2177 | abort (); |
2178 | ||
ab648270 | 2179 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2180 | |
2181 | /* Unlink it from the condemned list. */ | |
2182 | { | |
2183 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2184 | ||
2185 | if (NILP (bar->prev)) | |
2186 | { | |
2187 | /* If the prev pointer is nil, it must be the first in one of | |
2188 | the lists. */ | |
ab648270 | 2189 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2190 | /* It's not condemned. Everything's fine. */ |
2191 | return; | |
ab648270 JB |
2192 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2193 | window->vertical_scroll_bar)) | |
2194 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2195 | else |
2196 | /* If its prev pointer is nil, it must be at the front of | |
2197 | one or the other! */ | |
2198 | abort (); | |
2199 | } | |
2200 | else | |
ab648270 | 2201 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2202 | |
2203 | if (! NILP (bar->next)) | |
ab648270 | 2204 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2205 | |
ab648270 | 2206 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2207 | bar->prev = Qnil; |
ab648270 | 2208 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2209 | if (! NILP (bar->next)) |
ab648270 | 2210 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2211 | } |
f451eb13 JB |
2212 | } |
2213 | ||
ab648270 JB |
2214 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2215 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2216 | static void |
ab648270 | 2217 | XTjudge_scroll_bars (f) |
12ba150f | 2218 | FRAME_PTR f; |
f451eb13 | 2219 | { |
12ba150f | 2220 | Lisp_Object bar, next; |
f451eb13 | 2221 | |
ab648270 | 2222 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2223 | |
2224 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2225 | more events on the hapless scroll bars. */ |
2226 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2227 | |
2228 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2229 | { |
ab648270 | 2230 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2231 | |
ab648270 | 2232 | x_scroll_bar_remove (b); |
12ba150f JB |
2233 | |
2234 | next = b->next; | |
2235 | b->next = b->prev = Qnil; | |
f451eb13 | 2236 | } |
12ba150f | 2237 | |
ab648270 | 2238 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2239 | and they should get garbage-collected. */ |
f451eb13 JB |
2240 | } |
2241 | ||
2242 | ||
ab648270 JB |
2243 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2244 | ||
2245 | This may be called from a signal handler, so we have to ignore GC | |
2246 | mark bits. */ | |
f451eb13 | 2247 | static void |
ab648270 JB |
2248 | x_scroll_bar_expose (bar, event) |
2249 | struct scroll_bar *bar; | |
f451eb13 JB |
2250 | XEvent *event; |
2251 | { | |
ab648270 | 2252 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2253 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2254 | ||
f451eb13 JB |
2255 | BLOCK_INPUT; |
2256 | ||
ab648270 | 2257 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2258 | |
ab648270 | 2259 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2260 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2261 | |
2262 | /* x, y, width, height */ | |
12ba150f | 2263 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2264 | |
12ba150f JB |
2265 | /* Draw another line to make the extra-thick border on the right. */ |
2266 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2267 | |
12ba150f JB |
2268 | /* x, y, width, height */ |
2269 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2270 | |
2271 | UNBLOCK_INPUT; | |
2272 | } | |
2273 | ||
ab648270 JB |
2274 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2275 | is set to something other than no_event, it is enqueued. | |
2276 | ||
2277 | This may be called from a signal handler, so we have to ignore GC | |
2278 | mark bits. */ | |
f451eb13 | 2279 | static void |
ab648270 JB |
2280 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2281 | struct scroll_bar *bar; | |
f451eb13 JB |
2282 | XEvent *event; |
2283 | struct input_event *emacs_event; | |
2284 | { | |
ab648270 | 2285 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2286 | abort (); |
2287 | ||
ab648270 | 2288 | emacs_event->kind = scroll_bar_click; |
12ba150f | 2289 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 | 2290 | emacs_event->modifiers = |
dfeccd2d | 2291 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
2292 | | (event->type == ButtonRelease |
2293 | ? up_modifier | |
2294 | : down_modifier)); | |
12ba150f | 2295 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2296 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2297 | { |
2298 | int internal_height = | |
ab648270 | 2299 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2300 | int top_range = |
ab648270 JB |
2301 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2302 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2303 | |
2304 | if (y < 0) y = 0; | |
2305 | if (y > top_range) y = top_range; | |
2306 | ||
2307 | if (y < XINT (bar->start)) | |
ab648270 JB |
2308 | emacs_event->part = scroll_bar_above_handle; |
2309 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2310 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2311 | else |
ab648270 | 2312 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2313 | |
2314 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2315 | they want to drag it. Lisp code needs to be able to decide |
2316 | whether or not we're dragging. */ | |
929787e1 | 2317 | #if 0 |
12ba150f JB |
2318 | /* If the user has just clicked on the handle, record where they're |
2319 | holding it. */ | |
2320 | if (event->type == ButtonPress | |
ab648270 | 2321 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 2322 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 2323 | #endif |
12ba150f JB |
2324 | |
2325 | /* If the user has released the handle, set it to its final position. */ | |
2326 | if (event->type == ButtonRelease | |
2327 | && ! NILP (bar->dragging)) | |
2328 | { | |
2329 | int new_start = y - XINT (bar->dragging); | |
2330 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2331 | |
ab648270 | 2332 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2333 | bar->dragging = Qnil; |
2334 | } | |
f451eb13 | 2335 | |
5116f055 JB |
2336 | /* Same deal here as the other #if 0. */ |
2337 | #if 0 | |
12ba150f JB |
2338 | /* Clicks on the handle are always reported as occuring at the top of |
2339 | the handle. */ | |
ab648270 | 2340 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2341 | emacs_event->x = bar->start; |
2342 | else | |
2343 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
2344 | #else |
2345 | XSET (emacs_event->x, Lisp_Int, y); | |
2346 | #endif | |
f451eb13 | 2347 | |
12ba150f JB |
2348 | XSET (emacs_event->y, Lisp_Int, top_range); |
2349 | } | |
2350 | } | |
f451eb13 | 2351 | |
ab648270 JB |
2352 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2353 | ||
2354 | This may be called from a signal handler, so we have to ignore GC | |
2355 | mark bits. */ | |
f451eb13 | 2356 | static void |
ab648270 JB |
2357 | x_scroll_bar_note_movement (bar, event) |
2358 | struct scroll_bar *bar; | |
f451eb13 JB |
2359 | XEvent *event; |
2360 | { | |
2361 | last_mouse_movement_time = event->xmotion.time; | |
2362 | ||
2363 | mouse_moved = 1; | |
ab648270 | 2364 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2365 | |
2366 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2367 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2368 | { |
2369 | /* Where should the handle be now? */ | |
12ba150f | 2370 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2371 | |
12ba150f | 2372 | if (new_start != XINT (bar->start)) |
f451eb13 | 2373 | { |
12ba150f | 2374 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2375 | |
ab648270 | 2376 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2377 | } |
2378 | } | |
2379 | ||
2380 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2381 | moves and we can see *still* on the same position. */ | |
2382 | { | |
2383 | int dummy; | |
2384 | ||
2385 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2386 | (Window *) &dummy, (Window *) &dummy, | |
2387 | &dummy, &dummy, &dummy, &dummy, | |
2388 | (unsigned int *) &dummy); | |
2389 | } | |
2390 | } | |
2391 | ||
12ba150f | 2392 | /* Return information to the user about the current position of the mouse |
ab648270 | 2393 | on the scroll bar. */ |
12ba150f | 2394 | static void |
ab648270 | 2395 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2396 | FRAME_PTR *f; |
2397 | Lisp_Object *bar_window; | |
ab648270 | 2398 | enum scroll_bar_part *part; |
12ba150f JB |
2399 | Lisp_Object *x, *y; |
2400 | unsigned long *time; | |
2401 | { | |
ab648270 | 2402 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 2403 | int win_x, win_y; |
559cb2fb JB |
2404 | Window dummy_window; |
2405 | int dummy_coord; | |
2406 | unsigned int dummy_mask; | |
12ba150f | 2407 | |
cf7cb199 JB |
2408 | BLOCK_INPUT; |
2409 | ||
ab648270 | 2410 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 2411 | report that. */ |
559cb2fb JB |
2412 | if (! XQueryPointer (x_current_display, |
2413 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 2414 | |
559cb2fb JB |
2415 | /* Root, child, root x and root y. */ |
2416 | &dummy_window, &dummy_window, | |
2417 | &dummy_coord, &dummy_coord, | |
12ba150f | 2418 | |
559cb2fb JB |
2419 | /* Position relative to scroll bar. */ |
2420 | &win_x, &win_y, | |
12ba150f | 2421 | |
559cb2fb JB |
2422 | /* Mouse buttons and modifier keys. */ |
2423 | &dummy_mask)) | |
2424 | *f = 0; | |
2425 | else | |
2426 | { | |
2427 | int inside_height | |
2428 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2429 | int top_range | |
2430 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2431 | ||
2432 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
2433 | ||
2434 | if (! NILP (bar->dragging)) | |
2435 | win_y -= XINT (bar->dragging); | |
2436 | ||
2437 | if (win_y < 0) | |
2438 | win_y = 0; | |
2439 | if (win_y > top_range) | |
2440 | win_y = top_range; | |
2441 | ||
2442 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2443 | *bar_window = bar->window; | |
2444 | ||
2445 | if (! NILP (bar->dragging)) | |
2446 | *part = scroll_bar_handle; | |
2447 | else if (win_y < XINT (bar->start)) | |
2448 | *part = scroll_bar_above_handle; | |
2449 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2450 | *part = scroll_bar_handle; | |
2451 | else | |
2452 | *part = scroll_bar_below_handle; | |
12ba150f | 2453 | |
559cb2fb JB |
2454 | XSET (*x, Lisp_Int, win_y); |
2455 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 2456 | |
559cb2fb JB |
2457 | mouse_moved = 0; |
2458 | last_mouse_scroll_bar = Qnil; | |
2459 | } | |
12ba150f | 2460 | |
559cb2fb | 2461 | *time = last_mouse_movement_time; |
cf7cb199 | 2462 | |
cf7cb199 | 2463 | UNBLOCK_INPUT; |
12ba150f JB |
2464 | } |
2465 | ||
f451eb13 | 2466 | |
dbc4e1c1 | 2467 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2468 | background colors, and the scroll bars may need to be redrawn. |
2469 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2470 | redraw them. */ |
2471 | ||
ab648270 | 2472 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2473 | FRAME_PTR f; |
2474 | { | |
2475 | Lisp_Object bar; | |
2476 | ||
ab648270 | 2477 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2478 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2479 | bar = XSCROLL_BAR (bar)->next) |
2480 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2481 | 0, 0, 0, 0, True); |
2482 | } | |
2483 | ||
2484 | ||
f451eb13 JB |
2485 | \f |
2486 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2487 | |
dc6f92b8 JB |
2488 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2489 | but we have to put it out here, since static variables within functions | |
2490 | sometimes don't work. */ | |
2491 | static Time enter_timestamp; | |
2492 | ||
11edeb03 JB |
2493 | /* This holds the state XLookupString needs to implement dead keys |
2494 | and other tricks known as "compose processing". _X Window System_ | |
2495 | says that a portable program can't use this, but Stephen Gildea assures | |
2496 | me that letting the compiler initialize it to zeros will work okay. | |
2497 | ||
2498 | This must be defined outside of XTread_socket, for the same reasons | |
2499 | given for enter_timestamp, above. */ | |
2500 | static XComposeStatus compose_status; | |
2501 | ||
c047688c JA |
2502 | /* Communication with window managers. */ |
2503 | Atom Xatom_wm_protocols; | |
2504 | ||
2505 | /* Kinds of protocol things we may receive. */ | |
2506 | Atom Xatom_wm_take_focus; | |
2507 | Atom Xatom_wm_save_yourself; | |
2508 | Atom Xatom_wm_delete_window; | |
2509 | ||
2510 | /* Other WM communication */ | |
2511 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2512 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2513 | ||
d56a553a RS |
2514 | /* Window manager communication. */ |
2515 | Atom Xatom_wm_change_state; | |
2516 | ||
10e6549c RS |
2517 | /* Record the last 100 characters stored |
2518 | to help debug the loss-of-chars-during-GC problem. */ | |
2519 | int temp_index; | |
2520 | short temp_buffer[100]; | |
2521 | ||
dc6f92b8 JB |
2522 | /* Read events coming from the X server. |
2523 | This routine is called by the SIGIO handler. | |
2524 | We return as soon as there are no more events to be read. | |
2525 | ||
2526 | Events representing keys are stored in buffer BUFP, | |
2527 | which can hold up to NUMCHARS characters. | |
2528 | We return the number of characters stored into the buffer, | |
2529 | thus pretending to be `read'. | |
2530 | ||
2531 | WAITP is nonzero if we should block until input arrives. | |
2532 | EXPECTED is nonzero if the caller knows input is available. */ | |
2533 | ||
7c5283e4 | 2534 | int |
dc6f92b8 JB |
2535 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2536 | register int sd; | |
2537 | register struct input_event *bufp; | |
2538 | register int numchars; | |
2539 | int waitp; | |
2540 | int expected; | |
2541 | { | |
2542 | int count = 0; | |
2543 | int nbytes = 0; | |
2544 | int mask; | |
2545 | int items_pending; /* How many items are in the X queue. */ | |
2546 | XEvent event; | |
f676886a | 2547 | struct frame *f; |
dc6f92b8 JB |
2548 | int event_found; |
2549 | int prefix; | |
2550 | Lisp_Object part; | |
2551 | ||
9ac0d9e0 | 2552 | if (interrupt_input_blocked) |
dc6f92b8 | 2553 | { |
9ac0d9e0 | 2554 | interrupt_input_pending = 1; |
dc6f92b8 JB |
2555 | return -1; |
2556 | } | |
2557 | ||
9ac0d9e0 | 2558 | interrupt_input_pending = 0; |
dc6f92b8 JB |
2559 | BLOCK_INPUT; |
2560 | ||
2561 | if (numchars <= 0) | |
2562 | abort (); /* Don't think this happens. */ | |
2563 | ||
2564 | #ifdef FIOSNBIO | |
2565 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2566 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2567 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2568 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2569 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2570 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2571 | |
2572 | #ifndef SIGIO | |
2573 | #ifndef HAVE_SELECT | |
2574 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2575 | { | |
2576 | extern int read_alarm_should_throw; | |
2577 | read_alarm_should_throw = 1; | |
2578 | XPeekEvent (XDISPLAY &event); | |
2579 | read_alarm_should_throw = 0; | |
2580 | } | |
c118dd06 JB |
2581 | #endif /* HAVE_SELECT */ |
2582 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2583 | |
2584 | while (XStuffPending () != 0) | |
2585 | { | |
2586 | XNextEvent (XDISPLAY &event); | |
2587 | event_found = 1; | |
2588 | ||
2589 | switch (event.type) | |
2590 | { | |
2591 | #ifdef HAVE_X11 | |
c047688c JA |
2592 | case ClientMessage: |
2593 | { | |
2594 | if (event.xclient.message_type == Xatom_wm_protocols | |
2595 | && event.xclient.format == 32) | |
2596 | { | |
2597 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2598 | { | |
f676886a JB |
2599 | f = x_window_to_frame (event.xclient.window); |
2600 | if (f) | |
2601 | x_focus_on_frame (f); | |
ab648270 | 2602 | /* Not certain about handling scroll bars here */ |
c047688c JA |
2603 | } |
2604 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2605 | { | |
2606 | /* Save state modify the WM_COMMAND property to | |
2607 | something which can reinstate us. This notifies | |
2608 | the session manager, who's looking for such a | |
2609 | PropertyNotify. Can restart processing when | |
2610 | a keyboard or mouse event arrives. */ | |
2611 | if (numchars > 0) | |
2612 | { | |
2613 | } | |
2614 | } | |
2615 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2616 | { | |
f676886a | 2617 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2618 | |
f676886a | 2619 | if (f) |
c047688c JA |
2620 | if (numchars > 0) |
2621 | { | |
2622 | } | |
2623 | } | |
2624 | } | |
2625 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2626 | { | |
2627 | } | |
2628 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2629 | { | |
2630 | int new_x, new_y; | |
2631 | ||
4357eba7 JB |
2632 | new_x = event.xclient.data.s[0]; |
2633 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2634 | } |
2635 | } | |
2636 | break; | |
dc6f92b8 | 2637 | |
d56a553a RS |
2638 | #ifdef NEW_SELECTIONS |
2639 | case SelectionNotify: | |
2640 | x_handle_selection_notify (&event); | |
2641 | break; | |
2642 | #endif | |
2643 | ||
dc6f92b8 | 2644 | case SelectionClear: /* Someone has grabbed ownership. */ |
d56a553a RS |
2645 | #ifdef NEW_SELECTIONS |
2646 | { | |
2647 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
2648 | ||
2649 | if (numchars == 0) | |
2650 | abort (); | |
2651 | ||
2652 | bufp->kind = selection_clear_event; | |
2653 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2654 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2655 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2656 | bufp++; | |
2657 | ||
2658 | count += 1; | |
2659 | numchars -= 1; | |
2660 | } | |
2661 | #else | |
dc6f92b8 JB |
2662 | x_disown_selection (event.xselectionclear.window, |
2663 | event.xselectionclear.selection, | |
2664 | event.xselectionclear.time); | |
d56a553a | 2665 | #endif |
dc6f92b8 JB |
2666 | break; |
2667 | ||
2668 | case SelectionRequest: /* Someone wants our selection. */ | |
d56a553a RS |
2669 | #ifdef NEW_SELECTIONS |
2670 | { | |
2671 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
2672 | ||
2673 | if (numchars == 0) | |
2674 | abort (); | |
2675 | ||
2676 | bufp->kind = selection_request_event; | |
2677 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2678 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
2679 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2680 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
2681 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
2682 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2683 | bufp++; | |
2684 | ||
2685 | count += 1; | |
2686 | numchars -= 1; | |
2687 | } | |
2688 | #else | |
dc6f92b8 | 2689 | x_answer_selection_request (event); |
d56a553a | 2690 | #endif |
dc6f92b8 JB |
2691 | break; |
2692 | ||
2693 | case PropertyNotify: | |
d56a553a RS |
2694 | #ifdef NEW_SELECTIONS |
2695 | x_handle_property_notify (&event); | |
2696 | #else | |
28430d3c JB |
2697 | /* If we're being told about a root window property, then it's |
2698 | a cut buffer change. */ | |
2699 | if (event.xproperty.window == ROOT_WINDOW) | |
2700 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2701 | ||
2702 | /* Otherwise, we're probably handling an incremental | |
2703 | selection transmission. */ | |
2704 | else | |
2705 | { | |
2706 | /* If we were to do this synchronously, there'd be no worry | |
2707 | about re-selecting. */ | |
2708 | x_send_incremental (event); | |
2709 | } | |
d56a553a | 2710 | #endif |
dc6f92b8 JB |
2711 | break; |
2712 | ||
3bd330d4 RS |
2713 | case ReparentNotify: |
2714 | f = x_window_to_frame (event.xreparent.window); | |
2715 | if (f) | |
2716 | f->display.x->parent_desc = event.xreparent.parent; | |
2717 | break; | |
2718 | ||
dc6f92b8 | 2719 | case Expose: |
f676886a JB |
2720 | f = x_window_to_frame (event.xexpose.window); |
2721 | if (f) | |
dc6f92b8 | 2722 | { |
3a88c238 | 2723 | if (f->async_visible == 0) |
dc6f92b8 | 2724 | { |
3a88c238 JB |
2725 | f->async_visible = 1; |
2726 | f->async_iconified = 0; | |
f676886a | 2727 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2728 | } |
2729 | else | |
f451eb13 JB |
2730 | { |
2731 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2732 | event.xexpose.x, event.xexpose.y, | |
2733 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2734 | } |
2735 | } | |
2736 | else | |
2737 | { | |
ab648270 JB |
2738 | struct scroll_bar *bar |
2739 | = x_window_to_scroll_bar (event.xexpose.window); | |
f451eb13 JB |
2740 | |
2741 | if (bar) | |
ab648270 | 2742 | x_scroll_bar_expose (bar, &event); |
dc6f92b8 JB |
2743 | } |
2744 | break; | |
2745 | ||
2746 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2747 | source area was obscured or not | |
2748 | available.*/ | |
f451eb13 JB |
2749 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2750 | if (f) | |
2751 | { | |
2752 | dumprectangle (f, | |
2753 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2754 | event.xgraphicsexpose.width, | |
2755 | event.xgraphicsexpose.height); | |
f451eb13 | 2756 | } |
dc6f92b8 JB |
2757 | break; |
2758 | ||
2759 | case NoExpose: /* This occurs when an XCopyArea's | |
2760 | source area was completely | |
2761 | available */ | |
2762 | break; | |
c118dd06 | 2763 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2764 | case ExposeWindow: |
2765 | if (event.subwindow != 0) | |
2766 | break; /* duplicate event */ | |
f676886a JB |
2767 | f = x_window_to_frame (event.window); |
2768 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2769 | { |
f676886a | 2770 | refreshicon (f); |
3a88c238 | 2771 | f->async_iconified = 1; |
dc6f92b8 | 2772 | } |
c118dd06 | 2773 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2774 | { |
2775 | /* Say must check all windows' needs_exposure flags. */ | |
2776 | expose_all_windows = 1; | |
f676886a | 2777 | f->display.x->needs_exposure = 1; |
3a88c238 | 2778 | f->async_visible = 1; |
dc6f92b8 JB |
2779 | } |
2780 | break; | |
2781 | ||
2782 | case ExposeRegion: | |
2783 | if (event.subwindow != 0) | |
2784 | break; /* duplicate event */ | |
f676886a JB |
2785 | f = x_window_to_frame (event.window); |
2786 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2787 | { |
f676886a | 2788 | refreshicon (f); |
dc6f92b8 JB |
2789 | break; |
2790 | } | |
2791 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2792 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2793 | break; |
2794 | /* Put the event on the queue of rectangles to redraw. */ | |
2795 | if (enqueue_event (&event, &x_expose_queue)) | |
2796 | /* If it is full, we can't record the rectangle, | |
2797 | so redraw this entire window. */ | |
2798 | { | |
2799 | /* Say must check all windows' needs_exposure flags. */ | |
2800 | expose_all_windows = 1; | |
f676886a | 2801 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2802 | } |
2803 | break; | |
2804 | ||
2805 | case ExposeCopy: | |
2806 | /* This should happen only when we are expecting it, | |
2807 | in x_read_exposes. */ | |
2808 | abort (); | |
c118dd06 | 2809 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2810 | |
2811 | #ifdef HAVE_X11 | |
2812 | case UnmapNotify: | |
f451eb13 JB |
2813 | f = x_window_to_frame (event.xunmap.window); |
2814 | if (f) /* F may no longer exist if | |
f676886a | 2815 | the frame was deleted. */ |
f451eb13 JB |
2816 | { |
2817 | /* While a frame is unmapped, display generation is | |
2818 | disabled; you don't want to spend time updating a | |
2819 | display that won't ever be seen. */ | |
2820 | f->async_visible = 0; | |
9319ae23 RS |
2821 | /* The window manager never makes a window invisible |
2822 | ("withdrawn"); all it does is switch between visible | |
2823 | and iconified. Frames get into the invisible state | |
2824 | only through x_make_frame_invisible. | |
2825 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) | |
2826 | f->async_iconified = 1; | |
f451eb13 | 2827 | } |
dc6f92b8 JB |
2828 | break; |
2829 | ||
2830 | case MapNotify: | |
f676886a JB |
2831 | f = x_window_to_frame (event.xmap.window); |
2832 | if (f) | |
dc6f92b8 | 2833 | { |
3a88c238 JB |
2834 | f->async_visible = 1; |
2835 | f->async_iconified = 0; | |
dc6f92b8 JB |
2836 | |
2837 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2838 | the frame's display structures. */ |
2839 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2840 | } |
2841 | break; | |
2842 | ||
2843 | /* Turn off processing if we become fully obscured. */ | |
2844 | case VisibilityNotify: | |
2845 | break; | |
2846 | ||
c118dd06 | 2847 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2848 | case UnmapWindow: |
f676886a JB |
2849 | f = x_window_to_frame (event.window); |
2850 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2851 | f->async_iconified = 0; |
c118dd06 | 2852 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2853 | f->async_visible = 0; |
dc6f92b8 | 2854 | break; |
c118dd06 | 2855 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2856 | |
2857 | #ifdef HAVE_X11 | |
2858 | case KeyPress: | |
f676886a | 2859 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2860 | |
f676886a | 2861 | if (f != 0) |
dc6f92b8 | 2862 | { |
2d368234 | 2863 | KeySym keysym, orig_keysym; |
dc6f92b8 | 2864 | char copy_buffer[80]; |
64bb1782 RS |
2865 | int modifiers; |
2866 | ||
dfeccd2d JB |
2867 | event.xkey.state |
2868 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 2869 | modifiers = event.xkey.state; |
3a2712f9 | 2870 | |
11edeb03 | 2871 | /* This will have to go some day... */ |
752a043f JB |
2872 | |
2873 | /* make_lispy_event turns chars into control chars. | |
2874 | Don't do it here because XLookupString is too eager. */ | |
2875 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
2876 | nbytes = |
2877 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2878 | &compose_status); | |
dc6f92b8 | 2879 | |
55123275 JB |
2880 | /* Strip off the vendor-specific keysym bit, and take a shot |
2881 | at recognizing the codes. HP servers have extra keysyms | |
2882 | that fit into the MiscFunctionKey category. */ | |
2d368234 | 2883 | orig_keysym = keysym; |
55123275 JB |
2884 | keysym &= ~(1<<28); |
2885 | ||
dc6f92b8 JB |
2886 | if (numchars > 1) |
2887 | { | |
a3c44b14 RS |
2888 | if ((keysym >= XK_BackSpace && keysym <= XK_Escape) |
2889 | || keysym == XK_Delete | |
2890 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
465791da | 2891 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ |
c34790e0 RS |
2892 | #ifdef HPUX |
2893 | /* This recognizes the "extended function keys". | |
2d368234 RS |
2894 | It seems there's no cleaner way. |
2895 | Test IsModifierKey to avoid handling mode_switch | |
2896 | incorrectly. */ | |
2897 | || (!IsModifierKey (orig_keysym) | |
2898 | && (unsigned) (keysym) >= XK_Select | |
c34790e0 RS |
2899 | && (unsigned)(keysym) < XK_KP_Space) |
2900 | #endif | |
55123275 | 2901 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
e4571a43 JB |
2902 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ |
2903 | || x_is_vendor_fkey (orig_keysym)) /* wherever */ | |
dc6f92b8 | 2904 | { |
10e6549c RS |
2905 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2906 | temp_index = 0; | |
2907 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 2908 | bufp->kind = non_ascii_keystroke; |
a3c44b14 | 2909 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff00); |
12ba150f | 2910 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 2911 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 2912 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2913 | bufp++; |
2914 | count++; | |
2915 | numchars--; | |
2916 | } | |
2917 | else if (numchars > nbytes) | |
2918 | { | |
2919 | register int i; | |
2920 | ||
10e6549c | 2921 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 2922 | { |
10e6549c RS |
2923 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2924 | temp_index = 0; | |
2925 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 2926 | bufp->kind = ascii_keystroke; |
10e6549c | 2927 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); |
12ba150f | 2928 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 2929 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 2930 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2931 | bufp++; |
2932 | } | |
dc6f92b8 JB |
2933 | |
2934 | count += nbytes; | |
2935 | numchars -= nbytes; | |
2936 | } | |
10e6549c RS |
2937 | else |
2938 | abort (); | |
dc6f92b8 | 2939 | } |
10e6549c RS |
2940 | else |
2941 | abort (); | |
dc6f92b8 JB |
2942 | } |
2943 | break; | |
c118dd06 | 2944 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2945 | case KeyPressed: |
2946 | { | |
2947 | register char *where_mapping; | |
2948 | ||
f676886a | 2949 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2950 | /* Ignore keys typed on icon windows. */ |
f676886a | 2951 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2952 | break; |
2953 | where_mapping = XLookupMapping (&event, &nbytes); | |
2954 | /* Nasty fix for arrow keys */ | |
2955 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2956 | { | |
2957 | switch (event.detail & 0xff) | |
2958 | { | |
2959 | case KC_CURSOR_LEFT: | |
2960 | where_mapping = "\002"; | |
2961 | break; | |
2962 | case KC_CURSOR_RIGHT: | |
2963 | where_mapping = "\006"; | |
2964 | break; | |
2965 | case KC_CURSOR_UP: | |
2966 | where_mapping = "\020"; | |
2967 | break; | |
2968 | case KC_CURSOR_DOWN: | |
2969 | where_mapping = "\016"; | |
2970 | break; | |
2971 | } | |
2972 | nbytes = 1; | |
2973 | } | |
2974 | if (numchars - nbytes > 0) | |
2975 | { | |
2976 | register int i; | |
2977 | ||
2978 | for (i = 0; i < nbytes; i++) | |
2979 | { | |
2980 | bufp->kind = ascii_keystroke; | |
2981 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2982 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 2983 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
2984 | bufp++; |
2985 | } | |
2986 | count += nbytes; | |
2987 | numchars -= nbytes; | |
2988 | } | |
2989 | } | |
2990 | break; | |
c118dd06 | 2991 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2992 | |
2993 | #ifdef HAVE_X11 | |
f451eb13 JB |
2994 | |
2995 | /* Here's a possible interpretation of the whole | |
2996 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
2997 | FocusIn event, you have to get a FocusOut event before you | |
2998 | relinquish the focus. If you haven't received a FocusIn event, | |
2999 | then a mere LeaveNotify is enough to free you. */ | |
3000 | ||
dc6f92b8 | 3001 | case EnterNotify: |
f676886a | 3002 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 3003 | |
f451eb13 | 3004 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3005 | { |
dc6f92b8 | 3006 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
3007 | if (f && (!(f->auto_raise) |
3008 | || !(f->auto_lower) | |
dc6f92b8 JB |
3009 | || (event.xcrossing.time - enter_timestamp) > 500)) |
3010 | { | |
f676886a | 3011 | x_new_focus_frame (f); |
dc6f92b8 JB |
3012 | enter_timestamp = event.xcrossing.time; |
3013 | } | |
dc6f92b8 | 3014 | } |
f676886a JB |
3015 | else if (f == x_focus_frame) |
3016 | x_new_focus_frame (0); | |
dc6f92b8 JB |
3017 | |
3018 | break; | |
3019 | ||
3020 | case FocusIn: | |
f676886a | 3021 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3022 | if (event.xfocus.detail != NotifyPointer) |
3023 | x_focus_event_frame = f; | |
f676886a JB |
3024 | if (f) |
3025 | x_new_focus_frame (f); | |
dc6f92b8 JB |
3026 | break; |
3027 | ||
f451eb13 | 3028 | |
dc6f92b8 | 3029 | case LeaveNotify: |
f451eb13 | 3030 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 3031 | |
f451eb13 JB |
3032 | if (event.xcrossing.focus) |
3033 | { | |
3034 | if (! x_focus_event_frame) | |
3035 | x_new_focus_frame (0); | |
3036 | else | |
f676886a | 3037 | x_new_focus_frame (f); |
f451eb13 JB |
3038 | } |
3039 | else | |
3040 | { | |
3041 | if (f == x_focus_event_frame) | |
3042 | x_focus_event_frame = 0; | |
3043 | if (f == x_focus_frame) | |
f676886a | 3044 | x_new_focus_frame (0); |
dc6f92b8 JB |
3045 | } |
3046 | break; | |
3047 | ||
3048 | case FocusOut: | |
f676886a | 3049 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3050 | if (event.xfocus.detail != NotifyPointer |
3051 | && f == x_focus_event_frame) | |
3052 | x_focus_event_frame = 0; | |
f676886a JB |
3053 | if (f && f == x_focus_frame) |
3054 | x_new_focus_frame (0); | |
dc6f92b8 JB |
3055 | break; |
3056 | ||
c118dd06 | 3057 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3058 | |
3059 | case EnterWindow: | |
3060 | if ((event.detail & 0xFF) == 1) | |
3061 | break; /* Coming from our own subwindow */ | |
3062 | if (event.subwindow != 0) | |
3063 | break; /* Entering our own subwindow. */ | |
3064 | ||
3065 | { | |
f676886a JB |
3066 | f = x_window_to_frame (event.window); |
3067 | x_mouse_frame = f; | |
dc6f92b8 | 3068 | |
f676886a | 3069 | x_new_focus_frame (f); |
dc6f92b8 JB |
3070 | } |
3071 | break; | |
3072 | ||
3073 | case LeaveWindow: | |
3074 | if ((event.detail & 0xFF) == 1) | |
3075 | break; /* Entering our own subwindow */ | |
3076 | if (event.subwindow != 0) | |
3077 | break; /* Leaving our own subwindow. */ | |
3078 | ||
f676886a JB |
3079 | x_mouse_frame = 0; |
3080 | if (x_focus_frame == 0 | |
3081 | && x_input_frame != 0 | |
3082 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 3083 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 3084 | { |
f676886a JB |
3085 | f = x_input_frame; |
3086 | x_input_frame = 0; | |
3087 | if (f) | |
3088 | frame_unhighlight (f); | |
dc6f92b8 JB |
3089 | } |
3090 | break; | |
c118dd06 | 3091 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3092 | |
3093 | #ifdef HAVE_X11 | |
3094 | case MotionNotify: | |
3095 | { | |
f676886a JB |
3096 | f = x_window_to_frame (event.xmotion.window); |
3097 | if (f) | |
12ba150f | 3098 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 3099 | else |
dc6f92b8 | 3100 | { |
ab648270 JB |
3101 | struct scroll_bar *bar = |
3102 | x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3103 | |
3104 | if (bar) | |
ab648270 | 3105 | x_scroll_bar_note_movement (bar, &event); |
dc6f92b8 | 3106 | } |
dc6f92b8 JB |
3107 | } |
3108 | break; | |
3109 | ||
3110 | case ConfigureNotify: | |
dbc4e1c1 JB |
3111 | f = x_window_to_frame (event.xconfigure.window); |
3112 | if (f) | |
3113 | { | |
3114 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3115 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3116 | ||
3117 | /* Even if the number of character rows and columns has | |
3118 | not changed, the font size may have changed, so we need | |
3119 | to check the pixel dimensions as well. */ | |
3120 | if (columns != f->width | |
3121 | || rows != f->height | |
3122 | || event.xconfigure.width != f->display.x->pixel_width | |
3123 | || event.xconfigure.height != f->display.x->pixel_height) | |
3124 | { | |
3125 | change_frame_size (f, rows, columns, 0, 1); | |
3126 | SET_FRAME_GARBAGED (f); | |
3127 | } | |
dc6f92b8 | 3128 | |
3bd330d4 | 3129 | if (! event.xconfigure.send_event) |
af395ec1 RS |
3130 | { |
3131 | Window win, child; | |
3132 | int win_x, win_y; | |
3133 | ||
3bd330d4 RS |
3134 | /* Coords are relative to the parent. |
3135 | Convert them to root-relative. */ | |
af395ec1 RS |
3136 | XTranslateCoordinates (x_current_display, |
3137 | ||
3138 | /* From-window, to-window. */ | |
3bd330d4 RS |
3139 | f->display.x->parent_desc, |
3140 | ROOT_WINDOW, | |
af395ec1 RS |
3141 | |
3142 | /* From-position, to-position. */ | |
3143 | event.xconfigure.x, | |
3144 | event.xconfigure.y, | |
3145 | &win_x, &win_y, | |
3146 | ||
3147 | /* Child of win. */ | |
3148 | &child); | |
3149 | event.xconfigure.x = win_x; | |
3150 | event.xconfigure.y = win_y; | |
3151 | } | |
3152 | ||
dbc4e1c1 JB |
3153 | f->display.x->pixel_width = event.xconfigure.width; |
3154 | f->display.x->pixel_height = event.xconfigure.height; | |
3155 | f->display.x->left_pos = event.xconfigure.x; | |
3156 | f->display.x->top_pos = event.xconfigure.y; | |
3157 | } | |
3158 | break; | |
dc6f92b8 JB |
3159 | |
3160 | case ButtonPress: | |
3161 | case ButtonRelease: | |
3162 | { | |
3163 | /* If we decide we want to generate an event to be seen | |
3164 | by the rest of Emacs, we put it here. */ | |
3165 | struct input_event emacs_event; | |
3166 | emacs_event.kind = no_event; | |
3167 | ||
f676886a JB |
3168 | f = x_window_to_frame (event.xbutton.window); |
3169 | if (f) | |
f451eb13 JB |
3170 | { |
3171 | if (!x_focus_frame || (f == x_focus_frame)) | |
3172 | construct_mouse_click (&emacs_event, | |
b10fd412 | 3173 | &event, f); |
f451eb13 | 3174 | } |
dc6f92b8 | 3175 | else |
f451eb13 | 3176 | { |
ab648270 JB |
3177 | struct scroll_bar *bar = |
3178 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3179 | |
3180 | if (bar) | |
ab648270 | 3181 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
f451eb13 | 3182 | } |
dc6f92b8 JB |
3183 | |
3184 | if (numchars >= 1 && emacs_event.kind != no_event) | |
3185 | { | |
3186 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3187 | bufp++; | |
3188 | count++; | |
3189 | numchars--; | |
3190 | } | |
3191 | } | |
3192 | break; | |
3193 | ||
c118dd06 | 3194 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3195 | case ButtonPressed: |
3196 | case ButtonReleased: | |
f676886a JB |
3197 | f = x_window_to_frame (event.window); |
3198 | if (f) | |
dc6f92b8 | 3199 | { |
f676886a | 3200 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 3201 | { |
f676886a | 3202 | x_make_frame_visible (f); |
dc6f92b8 JB |
3203 | |
3204 | if (warp_mouse_on_deiconify) | |
c118dd06 | 3205 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
3206 | break; |
3207 | } | |
c118dd06 | 3208 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 3209 | { |
f676886a JB |
3210 | if (f->auto_raise) |
3211 | x_raise_frame (f); | |
dc6f92b8 JB |
3212 | } |
3213 | } | |
3214 | enqueue_event (&event, &x_mouse_queue); | |
3215 | if (numchars >= 2) | |
3216 | { | |
3217 | bufp->kind = ascii_keystroke; | |
3218 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 3219 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3220 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3221 | bufp++; |
3222 | ||
3223 | bufp->kind = ascii_keystroke; | |
3224 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 3225 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3226 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3227 | bufp++; |
3228 | ||
3229 | count += 2; | |
3230 | numchars -= 2; | |
3231 | } | |
3232 | break; | |
c118dd06 | 3233 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3234 | |
3235 | #ifdef HAVE_X11 | |
3236 | ||
3237 | case CirculateNotify: | |
3238 | break; | |
3239 | case CirculateRequest: | |
3240 | break; | |
3241 | ||
c118dd06 | 3242 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3243 | |
3244 | case MappingNotify: | |
11edeb03 JB |
3245 | /* Someone has changed the keyboard mapping - update the |
3246 | local cache. */ | |
3247 | switch (event.xmapping.request) | |
3248 | { | |
3249 | case MappingModifier: | |
3250 | x_find_modifier_meanings (); | |
3251 | /* This is meant to fall through. */ | |
3252 | case MappingKeyboard: | |
3253 | XRefreshKeyboardMapping (&event.xmapping); | |
3254 | } | |
dc6f92b8 JB |
3255 | break; |
3256 | ||
3257 | default: | |
3258 | break; | |
3259 | } | |
3260 | } | |
3261 | ||
3262 | #if 0 | |
3263 | #ifdef HAVE_SELECT | |
3264 | if (expected && ! event_found) | |
3265 | { | |
3266 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3267 | there is an EOF condition; in other words, that X has died. | |
3268 | Act as if there had been a hangup. */ | |
3269 | ||
3270 | int fd = ConnectionNumber (x_current_display); | |
3271 | int mask = 1 << fd; | |
3272 | ||
3273 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 3274 | (EMACS_TIME) 0) |
dc6f92b8 JB |
3275 | && !XStuffPending ()) |
3276 | kill (getpid (), SIGHUP); | |
3277 | } | |
c118dd06 JB |
3278 | #endif /* ! defined (HAVE_SELECT) */ |
3279 | #endif /* ! 0 */ | |
dc6f92b8 | 3280 | |
f451eb13 | 3281 | #ifndef HAVE_X11 |
f676886a | 3282 | if (updating_frame == 0) |
dc6f92b8 | 3283 | x_do_pending_expose (); |
f451eb13 | 3284 | #endif |
dc6f92b8 JB |
3285 | |
3286 | UNBLOCK_INPUT; | |
3287 | return count; | |
3288 | } | |
3289 | ||
3290 | #ifndef HAVE_X11 | |
3291 | /* Read and process only Expose events | |
3292 | until we get an ExposeCopy event; then return. | |
3293 | This is used in insert/delete line. | |
3294 | We assume input is already blocked. */ | |
3295 | ||
3296 | static void | |
3297 | x_read_exposes () | |
3298 | { | |
f676886a | 3299 | struct frame *f; |
dc6f92b8 JB |
3300 | XKeyPressedEvent event; |
3301 | ||
3302 | while (1) | |
3303 | { | |
3304 | /* while there are more events*/ | |
3305 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3306 | switch (event.type) | |
3307 | { | |
3308 | case ExposeWindow: | |
3309 | if (event.subwindow != 0) | |
3310 | break; /* duplicate event */ | |
f676886a JB |
3311 | f = x_window_to_frame (event.window); |
3312 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3313 | { |
f676886a | 3314 | refreshicon (f); |
dc6f92b8 JB |
3315 | break; |
3316 | } | |
c118dd06 | 3317 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3318 | { |
3319 | expose_all_windows = 1; | |
f676886a | 3320 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3321 | break; |
3322 | } | |
3323 | break; | |
3324 | ||
3325 | case ExposeRegion: | |
3326 | if (event.subwindow != 0) | |
3327 | break; /* duplicate event */ | |
f676886a JB |
3328 | f = x_window_to_frame (event.window); |
3329 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3330 | { |
f676886a | 3331 | refreshicon (f); |
dc6f92b8 JB |
3332 | break; |
3333 | } | |
3334 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3335 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3336 | break; |
3337 | /* Put the event on the queue of rectangles to redraw. */ | |
3338 | if (enqueue_event (&event, &x_expose_queue)) | |
3339 | /* If it is full, we can't record the rectangle, | |
3340 | so redraw this entire window. */ | |
3341 | { | |
3342 | /* Say must check all windows' needs_exposure flags. */ | |
3343 | expose_all_windows = 1; | |
f676886a | 3344 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3345 | } |
3346 | break; | |
3347 | ||
3348 | case ExposeCopy: | |
3349 | return; | |
3350 | } | |
3351 | } | |
3352 | } | |
3353 | #endif /* HAVE_X11 */ | |
3354 | ||
dc6f92b8 | 3355 | \f |
f451eb13 JB |
3356 | /* Drawing the cursor. */ |
3357 | ||
3358 | ||
dc6f92b8 JB |
3359 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3360 | ||
3361 | static void | |
f676886a JB |
3362 | x_draw_box (f) |
3363 | struct frame *f; | |
dc6f92b8 | 3364 | { |
12ba150f JB |
3365 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3366 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3367 | int width = FONT_WIDTH (f->display.x->font); |
3368 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3369 | |
3370 | #ifdef HAVE_X11 | |
c118dd06 | 3371 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3372 | f->display.x->cursor_gc, |
dc6f92b8 | 3373 | left, top, width - 1, height - 1); |
c118dd06 JB |
3374 | #else /* ! defined (HAVE_X11) */ |
3375 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3376 | left, top, width, 1, |
f676886a | 3377 | f->display.x->cursor_pixel); |
dc6f92b8 | 3378 | |
c118dd06 | 3379 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3380 | left, top, 1, height, |
f676886a | 3381 | f->display.x->cursor_pixel); |
dc6f92b8 | 3382 | |
c118dd06 | 3383 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3384 | left+width-1, top, 1, height, |
f676886a | 3385 | f->display.x->cursor_pixel); |
dc6f92b8 | 3386 | |
c118dd06 | 3387 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3388 | left, top+height-1, width, 1, |
f676886a | 3389 | f->display.x->cursor_pixel); |
c118dd06 | 3390 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3391 | } |
3392 | ||
f676886a | 3393 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3394 | and mark the cursor as not shown. |
3395 | This is used when the text where the cursor is | |
3396 | is about to be rewritten. */ | |
3397 | ||
3398 | static void | |
f676886a JB |
3399 | clear_cursor (f) |
3400 | struct frame *f; | |
dc6f92b8 JB |
3401 | { |
3402 | int mask; | |
3403 | ||
f451eb13 | 3404 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3405 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3406 | return; |
3407 | ||
3408 | #ifdef HAVE_X11 | |
f676886a | 3409 | x_display_cursor (f, 0); |
c118dd06 JB |
3410 | #else /* ! defined (HAVE_X11) */ |
3411 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3412 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3413 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3414 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3415 | f->display.x->background_pixel); | |
c118dd06 | 3416 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3417 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3418 | } |
3419 | ||
f676886a | 3420 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3421 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3422 | glyph drawn. */ | |
dc6f92b8 JB |
3423 | |
3424 | static void | |
f676886a JB |
3425 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3426 | struct frame *f; | |
dc6f92b8 | 3427 | int row, column; |
90e65f07 | 3428 | GLYPH glyph; |
dc6f92b8 JB |
3429 | int highlight; |
3430 | { | |
f676886a | 3431 | dumpglyphs (f, |
12ba150f JB |
3432 | CHAR_TO_PIXEL_COL (f, column), |
3433 | CHAR_TO_PIXEL_ROW (f, row), | |
07e34cb0 | 3434 | &glyph, 1, highlight); |
dc6f92b8 JB |
3435 | } |
3436 | ||
dc6f92b8 | 3437 | static void |
dbc4e1c1 | 3438 | x_display_bar_cursor (f, on) |
f676886a | 3439 | struct frame *f; |
dc6f92b8 JB |
3440 | int on; |
3441 | { | |
f676886a | 3442 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3443 | |
49d838ea JB |
3444 | /* This is pointless on invisible frames, and dangerous on garbaged |
3445 | frames; in the latter case, the frame may be in the midst of | |
3446 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3447 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
3448 | return; |
3449 | ||
3450 | if (! on && f->phys_cursor_x < 0) | |
3451 | return; | |
3452 | ||
f676886a | 3453 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3454 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3455 | if (f != updating_frame) |
1113d9db | 3456 | { |
f676886a JB |
3457 | curs_x = FRAME_CURSOR_X (f); |
3458 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3459 | } |
3460 | ||
dbc4e1c1 JB |
3461 | /* If there is anything wrong with the current cursor state, remove it. */ |
3462 | if (f->phys_cursor_x >= 0 | |
3463 | && (!on | |
3464 | || f->phys_cursor_x != curs_x | |
3465 | || f->phys_cursor_y != curs_y | |
3466 | || f->display.x->current_cursor != bar_cursor)) | |
3467 | { | |
3468 | /* Erase the cursor by redrawing the character underneath it. */ | |
3469 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3470 | f->phys_cursor_glyph, | |
3471 | current_glyphs->highlight[f->phys_cursor_y]); | |
3472 | f->phys_cursor_x = -1; | |
3473 | } | |
3474 | ||
3475 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3476 | if (on | |
3477 | && (f->phys_cursor_x < 0 | |
3478 | || (f->display.x->current_cursor != bar_cursor))) | |
3479 | { | |
3480 | f->phys_cursor_glyph | |
3481 | = ((current_glyphs->enable[curs_y] | |
3482 | && curs_x < current_glyphs->used[curs_y]) | |
3483 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3484 | : SPACEGLYPH); | |
3485 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3486 | f->display.x->cursor_gc, | |
3487 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3488 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3489 | 1, FONT_HEIGHT (f->display.x->font)); | |
3490 | ||
3491 | f->phys_cursor_x = curs_x; | |
3492 | f->phys_cursor_y = curs_y; | |
3493 | ||
3494 | f->display.x->current_cursor = bar_cursor; | |
3495 | } | |
3496 | ||
3497 | if (updating_frame != f) | |
3498 | XFlushQueue (); | |
3499 | } | |
3500 | ||
3501 | ||
3502 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3503 | If ON is nonzero, where to put the cursor is specified | |
3504 | by F->cursor_x and F->cursor_y. */ | |
3505 | ||
3506 | static void | |
3507 | x_display_box_cursor (f, on) | |
3508 | struct frame *f; | |
3509 | int on; | |
3510 | { | |
3511 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3512 | ||
49d838ea JB |
3513 | /* This is pointless on invisible frames, and dangerous on garbaged |
3514 | frames; in the latter case, the frame may be in the midst of | |
3515 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3516 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
3517 | return; |
3518 | ||
3519 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3520 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3521 | return; |
3522 | ||
dbc4e1c1 JB |
3523 | /* If we're not updating, then we want to use the current frame's |
3524 | cursor position, not our local idea of where the cursor ought to be. */ | |
3525 | if (f != updating_frame) | |
3526 | { | |
3527 | curs_x = FRAME_CURSOR_X (f); | |
3528 | curs_y = FRAME_CURSOR_Y (f); | |
3529 | } | |
3530 | ||
dc6f92b8 JB |
3531 | /* If cursor is currently being shown and we don't want it to be |
3532 | or it is in the wrong place, | |
3533 | or we want a hollow box and it's not so, (pout!) | |
3534 | erase it. */ | |
f676886a | 3535 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3536 | && (!on |
f676886a JB |
3537 | || f->phys_cursor_x != curs_x |
3538 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3539 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3540 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3541 | { |
3542 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3543 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3544 | f->phys_cursor_glyph, | |
3545 | current_glyphs->highlight[f->phys_cursor_y]); | |
3546 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3547 | } |
3548 | ||
3549 | /* If we want to show a cursor, | |
3550 | or we want a box cursor and it's not so, | |
3551 | write it in the right place. */ | |
3552 | if (on | |
f676886a | 3553 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3554 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3555 | && f == x_highlight_frame))) |
dc6f92b8 | 3556 | { |
f676886a | 3557 | f->phys_cursor_glyph |
1113d9db JB |
3558 | = ((current_glyphs->enable[curs_y] |
3559 | && curs_x < current_glyphs->used[curs_y]) | |
3560 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3561 | : SPACEGLYPH); |
f676886a | 3562 | if (f != x_highlight_frame) |
dc6f92b8 | 3563 | { |
f676886a | 3564 | x_draw_box (f); |
dbc4e1c1 | 3565 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3566 | } |
3567 | else | |
3568 | { | |
f676886a JB |
3569 | x_draw_single_glyph (f, curs_y, curs_x, |
3570 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3571 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3572 | } |
3573 | ||
f676886a JB |
3574 | f->phys_cursor_x = curs_x; |
3575 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3576 | } |
3577 | ||
f676886a | 3578 | if (updating_frame != f) |
dc6f92b8 JB |
3579 | XFlushQueue (); |
3580 | } | |
3581 | ||
f676886a JB |
3582 | x_display_cursor (f, on) |
3583 | struct frame *f; | |
dc6f92b8 JB |
3584 | int on; |
3585 | { | |
dbc4e1c1 | 3586 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3587 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3588 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3589 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3590 | else |
3591 | /* Those are the only two we have implemented! */ | |
3592 | abort (); | |
dc6f92b8 JB |
3593 | } |
3594 | \f | |
3595 | /* Icons. */ | |
3596 | ||
f676886a | 3597 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3598 | when we get an expose event for it. */ |
3599 | ||
f676886a JB |
3600 | refreshicon (f) |
3601 | struct frame *f; | |
dc6f92b8 JB |
3602 | { |
3603 | #ifdef HAVE_X11 | |
3604 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3605 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3606 | int mask; |
3607 | ||
f676886a JB |
3608 | if (f->display.x->icon_bitmap_flag) |
3609 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3610 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3611 | icon_bitmap, GXcopy, AllPlanes); | |
3612 | else | |
3613 | { | |
f676886a | 3614 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3615 | struct Lisp_String *str; |
3616 | unsigned char *string; | |
3617 | ||
3618 | string | |
f676886a | 3619 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3620 | |
f676886a | 3621 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3622 | { |
f676886a JB |
3623 | f->display.x->icon_label = string; |
3624 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3625 | XQueryWidth (string, icon_font_info->id) + 10, |
3626 | icon_font_info->height + 10); | |
3627 | } | |
3628 | ||
f676886a | 3629 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3630 | str->size, icon_font_info->id, |
3631 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3632 | } | |
3633 | XFlushQueue (); | |
c118dd06 | 3634 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3635 | } |
3636 | ||
dbc4e1c1 | 3637 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
3638 | |
3639 | int | |
f676886a JB |
3640 | x_bitmap_icon (f) |
3641 | struct frame *f; | |
dc6f92b8 JB |
3642 | { |
3643 | int mask; | |
3644 | Window icon_window; | |
3645 | ||
c118dd06 | 3646 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3647 | return 1; |
3648 | ||
3649 | #ifdef HAVE_X11 | |
8583db58 RS |
3650 | if (! icon_bitmap) |
3651 | icon_bitmap = | |
3652 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), | |
3653 | gnu_bits, gnu_width, gnu_height); | |
f676886a JB |
3654 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3655 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3656 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3657 | if (f->display.x->icon_desc) |
dc6f92b8 | 3658 | { |
c118dd06 | 3659 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3660 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3661 | } |
3662 | ||
f676886a | 3663 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3664 | 0, 0, sink_width, sink_height, |
3665 | 2, WhitePixmap, (Pixmap) NULL); | |
3666 | ||
3667 | if (icon_window == 0) | |
3668 | return 1; | |
3669 | ||
c118dd06 | 3670 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3671 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3672 | ||
f676886a JB |
3673 | f->display.x->icon_desc = icon_window; |
3674 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3675 | |
3676 | if (icon_bitmap == 0) | |
3677 | icon_bitmap | |
3678 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3679 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3680 | |
3681 | return 0; | |
3682 | } | |
3683 | ||
3684 | ||
f676886a | 3685 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3686 | |
3687 | int | |
f676886a JB |
3688 | x_text_icon (f, icon_name) |
3689 | struct frame *f; | |
dc6f92b8 JB |
3690 | char *icon_name; |
3691 | { | |
3692 | #ifndef HAVE_X11 | |
3693 | int mask; | |
3694 | int width; | |
3695 | Window icon_window; | |
3696 | char *X_DefaultValue; | |
3697 | Bitmap b1; | |
3698 | ||
dc6f92b8 JB |
3699 | #ifndef WhitePixel |
3700 | #define WhitePixel 1 | |
c118dd06 | 3701 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3702 | |
3703 | #ifndef BlackPixel | |
3704 | #define BlackPixel 0 | |
c118dd06 JB |
3705 | #endif /* BlackPixel */ |
3706 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3707 | |
c118dd06 | 3708 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3709 | return 1; |
3710 | ||
dc6f92b8 JB |
3711 | #ifdef HAVE_X11 |
3712 | if (icon_name) | |
f676886a | 3713 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3714 | else |
f676886a JB |
3715 | if (! f->display.x->icon_label) |
3716 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3717 | |
dfeccd2d | 3718 | #if 0 |
c118dd06 | 3719 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3720 | (char *) f->display.x->icon_label); |
dfeccd2d | 3721 | #endif |
dc6f92b8 | 3722 | |
f676886a | 3723 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3724 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3725 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
3726 | if (icon_font_info == 0) |
3727 | icon_font_info | |
3728 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 3729 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
3730 | "BodyFont")); |
3731 | ||
f676886a | 3732 | if (f->display.x->icon_desc) |
dc6f92b8 | 3733 | { |
c118dd06 | 3734 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3735 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3736 | } |
3737 | ||
3738 | if (icon_name) | |
f676886a | 3739 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3740 | else |
f676886a JB |
3741 | if (! f->display.x->icon_label) |
3742 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3743 | |
f676886a JB |
3744 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3745 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3746 | f->display.x->left_pos, | |
3747 | f->display.x->top_pos, | |
dc6f92b8 JB |
3748 | width + 10, icon_font_info->height + 10, |
3749 | 2, BlackPixmap, WhitePixmap); | |
3750 | ||
3751 | if (icon_window == 0) | |
3752 | return 1; | |
3753 | ||
c118dd06 | 3754 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3755 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3756 | ||
f676886a JB |
3757 | f->display.x->icon_desc = icon_window; |
3758 | f->display.x->icon_bitmap_flag = 0; | |
3759 | f->display.x->icon_label = 0; | |
c118dd06 | 3760 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3761 | |
3762 | return 0; | |
3763 | } | |
3764 | \f | |
4746118a JB |
3765 | /* Handling X errors. */ |
3766 | ||
12ba150f JB |
3767 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3768 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3769 | |
4746118a | 3770 | static SIGTYPE |
c118dd06 | 3771 | x_connection_closed () |
4746118a JB |
3772 | { |
3773 | if (_Xdebug) | |
3774 | abort (); | |
12ba150f | 3775 | |
e08ad3fc | 3776 | shut_down_emacs (0, 1); |
12ba150f JB |
3777 | |
3778 | exit (70); | |
4746118a JB |
3779 | } |
3780 | ||
8922af5f JB |
3781 | /* An X error handler which prints an error message and then kills |
3782 | Emacs. This is what's normally installed as Xlib's handler for | |
3783 | protocol errors. */ | |
c118dd06 JB |
3784 | static int |
3785 | x_error_quitter (display, error) | |
3786 | Display *display; | |
3787 | XErrorEvent *error; | |
3788 | { | |
3789 | char buf[256]; | |
dc6f92b8 | 3790 | |
c118dd06 JB |
3791 | /* Note that there is no real way portable across R3/R4 to get the |
3792 | original error handler. */ | |
dc6f92b8 | 3793 | |
c118dd06 JB |
3794 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3795 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3796 | buf, error->request_code); | |
dc6f92b8 | 3797 | |
12ba150f JB |
3798 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3799 | get an X error, so we can figure out why it happened. */ | |
3800 | abort (); | |
3801 | ||
c118dd06 | 3802 | x_connection_closed (); |
dc6f92b8 JB |
3803 | } |
3804 | ||
8922af5f JB |
3805 | /* A handler for X IO errors which prints an error message and then |
3806 | kills Emacs. This is what is always installed as Xlib's handler | |
3807 | for I/O errors. */ | |
3808 | static int | |
3809 | x_io_error_quitter (display) | |
3810 | Display *display; | |
3811 | { | |
3812 | fprintf (stderr, "Connection to X server %s lost.\n", | |
3813 | XDisplayName (DisplayString (display))); | |
3814 | ||
3815 | /* While we're testing Emacs 19, we'll just dump core whenever we | |
3816 | get an X error, so we can figure out why it happened. */ | |
3817 | abort (); | |
3818 | ||
3819 | x_connection_closed (); | |
3820 | } | |
3821 | ||
c118dd06 | 3822 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
3823 | static char *x_caught_error_message; |
3824 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
3825 | |
3826 | /* An X error handler which stores the error message in | |
3827 | x_caught_error_message. This is what's installed when | |
3828 | x_catch_errors is in effect. */ | |
3829 | static int | |
3830 | x_error_catcher (display, error) | |
3831 | Display *display; | |
3832 | XErrorEvent *error; | |
3833 | { | |
3834 | XGetErrorText (display, error->error_code, | |
cef13e55 | 3835 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
3836 | } |
3837 | ||
3838 | ||
3839 | /* Begin trapping X errors. | |
dc6f92b8 | 3840 | |
c118dd06 JB |
3841 | After calling this function, X protocol errors no longer cause |
3842 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3843 | |
c118dd06 JB |
3844 | Calling x_check_errors signals an Emacs error if an X error has |
3845 | occurred since the last call to x_catch_errors or x_check_errors. | |
3846 | ||
3847 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3848 | ||
3849 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3850 | ||
3851 | void | |
3852 | x_catch_errors () | |
dc6f92b8 | 3853 | { |
c118dd06 JB |
3854 | /* Make sure any errors from previous requests have been dealt with. */ |
3855 | XSync (x_current_display, False); | |
dc6f92b8 | 3856 | |
c118dd06 | 3857 | /* Set up the error buffer. */ |
60f9aad3 | 3858 | x_caught_error_message |
cef13e55 RS |
3859 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
3860 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 3861 | |
c118dd06 JB |
3862 | /* Install our little error handler. */ |
3863 | XHandleError (x_error_catcher); | |
3864 | } | |
16bd92ea | 3865 | |
c118dd06 JB |
3866 | /* If any X protocol errors have arrived since the last call to |
3867 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3868 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3869 | void | |
3870 | x_check_errors (format) | |
3871 | char *format; | |
3872 | { | |
3873 | /* Make sure to catch any errors incurred so far. */ | |
3874 | XSync (x_current_display, False); | |
16bd92ea | 3875 | |
cef13e55 | 3876 | if (x_caught_error_message[0]) |
c118dd06 | 3877 | { |
cef13e55 | 3878 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 3879 | |
cef13e55 | 3880 | sprintf (buf, format, x_caught_error_message); |
c118dd06 JB |
3881 | x_uncatch_errors (); |
3882 | error (buf); | |
3883 | } | |
3884 | } | |
3885 | ||
3886 | void | |
3887 | x_uncatch_errors () | |
3888 | { | |
9ac0d9e0 | 3889 | xfree (x_caught_error_message); |
cef13e55 | 3890 | x_caught_error_message = 0; |
c118dd06 | 3891 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
3892 | } |
3893 | ||
dc6f92b8 JB |
3894 | #if 0 |
3895 | static unsigned int x_wire_count; | |
3896 | x_trace_wire () | |
3897 | { | |
3898 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3899 | } | |
c118dd06 | 3900 | #endif /* ! 0 */ |
dc6f92b8 JB |
3901 | |
3902 | \f | |
f451eb13 JB |
3903 | /* Changing the font of the frame. */ |
3904 | ||
f676886a | 3905 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3906 | to the font named NEWNAME. This is safe to use |
f676886a | 3907 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3908 | |
3909 | #ifdef HAVE_X11 | |
3910 | ||
3911 | /* A table of all the fonts we have already loaded. */ | |
3912 | static XFontStruct **x_font_table; | |
3913 | ||
3914 | /* The current capacity of x_font_table. */ | |
3915 | static int x_font_table_size; | |
3916 | ||
3917 | /* The number of fonts actually stored in x_font_table. | |
3918 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3919 | 0 <= n_fonts <= x_font_table_size. */ | |
3920 | static int n_fonts; | |
3921 | ||
b5cf7a0e | 3922 | Lisp_Object |
f676886a JB |
3923 | x_new_font (f, fontname) |
3924 | struct frame *f; | |
dc6f92b8 JB |
3925 | register char *fontname; |
3926 | { | |
dc6f92b8 JB |
3927 | int already_loaded; |
3928 | int n_matching_fonts; | |
3929 | XFontStruct *font_info; | |
3930 | char **font_names; | |
3931 | ||
3932 | /* Get a list of all the fonts that match this name. Once we | |
3933 | have a list of matching fonts, we compare them against the fonts | |
3934 | we already have by comparing font ids. */ | |
3935 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3936 | 1024, &n_matching_fonts, | |
3937 | &font_info); | |
5835f860 RS |
3938 | /* Don't just give up if n_matching_fonts is 0. |
3939 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
3940 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 3941 | |
90e65f07 | 3942 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
3943 | already_loaded = -1; |
3944 | if (n_matching_fonts != 0) | |
3945 | { | |
3946 | int i, j; | |
dc6f92b8 | 3947 | |
5835f860 RS |
3948 | for (i = 0; i < n_fonts; i++) |
3949 | for (j = 0; j < n_matching_fonts; j++) | |
3950 | if (x_font_table[i]->fid == font_info[j].fid) | |
3951 | { | |
3952 | already_loaded = i; | |
3953 | fontname = font_names[j]; | |
3954 | goto found_font; | |
3955 | } | |
3956 | } | |
dc6f92b8 JB |
3957 | found_font: |
3958 | ||
3959 | /* If we have, just return it from the table. */ | |
5835f860 | 3960 | if (already_loaded > 0) |
f676886a | 3961 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3962 | |
dc6f92b8 JB |
3963 | /* Otherwise, load the font and add it to the table. */ |
3964 | else | |
3965 | { | |
9696f58b | 3966 | int i; |
dc6f92b8 JB |
3967 | XFontStruct *font; |
3968 | ||
9696f58b | 3969 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
3970 | #if 0 |
3971 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
3972 | for (i = 0; i < n_matching_fonts; i++) |
3973 | if (! font_info[i].per_char) | |
3974 | break; | |
f126bd67 JB |
3975 | #else |
3976 | i = 0; | |
3977 | #endif | |
9696f58b | 3978 | |
5835f860 RS |
3979 | /* See comment above. */ |
3980 | if (n_matching_fonts != 0) | |
9696f58b JB |
3981 | fontname = font_names[i]; |
3982 | ||
dc6f92b8 JB |
3983 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
3984 | if (! font) | |
5835f860 RS |
3985 | { |
3986 | /* Free the information from XListFontsWithInfo. */ | |
3987 | if (n_matching_fonts) | |
3988 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
3989 | return Qnil; | |
3990 | } | |
dc6f92b8 JB |
3991 | |
3992 | /* Do we need to create the table? */ | |
3993 | if (x_font_table_size == 0) | |
3994 | { | |
3995 | x_font_table_size = 16; | |
3996 | x_font_table | |
3997 | = (XFontStruct **) xmalloc (x_font_table_size | |
3998 | * sizeof (x_font_table[0])); | |
3999 | } | |
4000 | /* Do we need to grow the table? */ | |
4001 | else if (n_fonts >= x_font_table_size) | |
4002 | { | |
90e65f07 | 4003 | x_font_table_size *= 2; |
dc6f92b8 JB |
4004 | x_font_table |
4005 | = (XFontStruct **) xrealloc (x_font_table, | |
4006 | (x_font_table_size | |
4007 | * sizeof (x_font_table[0]))); | |
4008 | } | |
4009 | ||
f676886a | 4010 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
4011 | } |
4012 | ||
f676886a | 4013 | /* Now make the frame display the given font. */ |
c118dd06 | 4014 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4015 | { |
f676886a JB |
4016 | XSetFont (x_current_display, f->display.x->normal_gc, |
4017 | f->display.x->font->fid); | |
4018 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
4019 | f->display.x->font->fid); | |
4020 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
4021 | f->display.x->font->fid); | |
4022 | ||
4023 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
4024 | } |
4025 | ||
b5cf7a0e JB |
4026 | { |
4027 | Lisp_Object lispy_name = build_string (fontname); | |
4028 | ||
4029 | ||
4030 | /* Free the information from XListFontsWithInfo. The data | |
4031 | we actually retain comes from XLoadQueryFont. */ | |
4032 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
4033 | ||
4034 | return lispy_name; | |
4035 | } | |
dc6f92b8 | 4036 | } |
c118dd06 | 4037 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
4038 | x_new_font (f, newname) |
4039 | struct frame *f; | |
dc6f92b8 JB |
4040 | register char *newname; |
4041 | { | |
4042 | FONT_TYPE *temp; | |
4043 | int mask; | |
4044 | ||
4045 | temp = XGetFont (newname); | |
4046 | if (temp == (FONT_TYPE *) 0) | |
4047 | return 1; | |
4048 | ||
f676886a JB |
4049 | if (f->display.x->font) |
4050 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 4051 | |
f676886a | 4052 | f->display.x->font = temp; |
dc6f92b8 | 4053 | |
c118dd06 | 4054 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 4055 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
4056 | |
4057 | return 0; | |
4058 | } | |
c118dd06 | 4059 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4060 | \f |
f451eb13 JB |
4061 | /* X Window sizes and positions. */ |
4062 | ||
f676886a JB |
4063 | x_calc_absolute_position (f) |
4064 | struct frame *f; | |
dc6f92b8 JB |
4065 | { |
4066 | #ifdef HAVE_X11 | |
f676886a JB |
4067 | if (f->display.x->left_pos < 0) |
4068 | f->display.x->left_pos | |
7c5283e4 | 4069 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 4070 | |
f676886a JB |
4071 | if (f->display.x->top_pos < 0) |
4072 | f->display.x->top_pos | |
7c5283e4 | 4073 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 4074 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4075 | WINDOWINFO_TYPE parentinfo; |
4076 | ||
c118dd06 | 4077 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 4078 | |
f676886a JB |
4079 | if (f->display.x->left_pos < 0) |
4080 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
4081 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 4082 | |
f676886a JB |
4083 | if (f->display.x->top_pos < 0) |
4084 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
4085 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 4086 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4087 | } |
4088 | ||
f676886a JB |
4089 | x_set_offset (f, xoff, yoff) |
4090 | struct frame *f; | |
dc6f92b8 JB |
4091 | register int xoff, yoff; |
4092 | { | |
f676886a JB |
4093 | f->display.x->top_pos = yoff; |
4094 | f->display.x->left_pos = xoff; | |
4095 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
4096 | |
4097 | BLOCK_INPUT; | |
c118dd06 | 4098 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 4099 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 4100 | #ifdef HAVE_X11 |
f676886a | 4101 | x_wm_set_size_hint (f, 0); |
c118dd06 | 4102 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4103 | UNBLOCK_INPUT; |
4104 | } | |
4105 | ||
f676886a | 4106 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 4107 | |
f676886a JB |
4108 | x_set_window_size (f, cols, rows) |
4109 | struct frame *f; | |
b1c884c3 | 4110 | int cols, rows; |
dc6f92b8 JB |
4111 | { |
4112 | int pixelwidth, pixelheight; | |
4113 | int mask; | |
dc6f92b8 JB |
4114 | |
4115 | BLOCK_INPUT; | |
4116 | ||
b1c884c3 | 4117 | check_frame_size (f, &rows, &cols); |
ab648270 JB |
4118 | f->display.x->vertical_scroll_bar_extra = |
4119 | (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
4120 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
f451eb13 JB |
4121 | : 0); |
4122 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
4123 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
4124 | |
4125 | #ifdef HAVE_X11 | |
f676886a | 4126 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
4127 | #endif /* ! defined (HAVE_X11) */ |
4128 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
4129 | |
4130 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4131 | but the window manager will get around to dealing with the size | |
4132 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4133 | ConfigureNotify event gets here. |
4134 | ||
4135 | We could just not bother storing any of this information here, | |
4136 | and let the ConfigureNotify event set everything up, but that | |
4137 | might be kind of confusing to the lisp code, since size changes | |
4138 | wouldn't be reported in the frame parameters until some random | |
4139 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4140 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4141 | PIXEL_WIDTH (f) = pixelwidth; |
4142 | PIXEL_HEIGHT (f) = pixelheight; | |
4143 | ||
dbc4e1c1 JB |
4144 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4145 | receive in the ConfigureNotify event; if we get what we asked | |
4146 | for, then the event won't cause the screen to become garbaged, so | |
4147 | we have to make sure to do it here. */ | |
4148 | SET_FRAME_GARBAGED (f); | |
4149 | ||
dc6f92b8 JB |
4150 | XFlushQueue (); |
4151 | UNBLOCK_INPUT; | |
4152 | } | |
4153 | ||
4154 | #ifndef HAVE_X11 | |
f676886a JB |
4155 | x_set_resize_hint (f) |
4156 | struct frame *f; | |
dc6f92b8 | 4157 | { |
12ba150f JB |
4158 | XSetResizeHint (FRAME_X_WINDOW (f), |
4159 | 2 * f->display.x->internal_border_width, | |
f676886a | 4160 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
4161 | FONT_WIDTH (f->display.x->font), |
4162 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 4163 | } |
c118dd06 | 4164 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4165 | \f |
f451eb13 | 4166 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4167 | |
f676886a JB |
4168 | x_set_mouse_position (f, x, y) |
4169 | struct frame *f; | |
dc6f92b8 JB |
4170 | int x, y; |
4171 | { | |
4172 | int pix_x, pix_y; | |
4173 | ||
f676886a | 4174 | x_raise_frame (f); |
dc6f92b8 | 4175 | |
12ba150f JB |
4176 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
4177 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
4178 | |
4179 | if (pix_x < 0) pix_x = 0; | |
4180 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4181 | ||
4182 | if (pix_y < 0) pix_y = 0; | |
4183 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4184 | |
4185 | BLOCK_INPUT; | |
dc6f92b8 | 4186 | |
c118dd06 | 4187 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
4188 | UNBLOCK_INPUT; |
4189 | } | |
4190 | ||
4191 | #ifdef HAVE_X11 | |
f676886a JB |
4192 | x_focus_on_frame (f) |
4193 | struct frame *f; | |
dc6f92b8 | 4194 | { |
f676886a | 4195 | x_raise_frame (f); |
6d4238f3 JB |
4196 | #if 0 |
4197 | /* I don't think that the ICCCM allows programs to do things like this | |
4198 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4199 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 4200 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 4201 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4202 | #endif /* ! 0 */ |
dc6f92b8 JB |
4203 | } |
4204 | ||
f676886a JB |
4205 | x_unfocus_frame (f) |
4206 | struct frame *f; | |
dc6f92b8 | 4207 | { |
6d4238f3 | 4208 | #if 0 |
f676886a JB |
4209 | /* Look at the remarks in x_focus_on_frame. */ |
4210 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4211 | XSetInputFocus (x_current_display, PointerRoot, |
4212 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4213 | #endif /* ! 0 */ |
dc6f92b8 JB |
4214 | } |
4215 | ||
c118dd06 | 4216 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4217 | |
f676886a | 4218 | /* Raise frame F. */ |
dc6f92b8 | 4219 | |
f676886a JB |
4220 | x_raise_frame (f) |
4221 | struct frame *f; | |
dc6f92b8 | 4222 | { |
3a88c238 | 4223 | if (f->async_visible) |
dc6f92b8 JB |
4224 | { |
4225 | BLOCK_INPUT; | |
c118dd06 | 4226 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4227 | XFlushQueue (); |
4228 | UNBLOCK_INPUT; | |
4229 | } | |
4230 | } | |
4231 | ||
f676886a | 4232 | /* Lower frame F. */ |
dc6f92b8 | 4233 | |
f676886a JB |
4234 | x_lower_frame (f) |
4235 | struct frame *f; | |
dc6f92b8 | 4236 | { |
3a88c238 | 4237 | if (f->async_visible) |
dc6f92b8 JB |
4238 | { |
4239 | BLOCK_INPUT; | |
c118dd06 | 4240 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4241 | XFlushQueue (); |
4242 | UNBLOCK_INPUT; | |
4243 | } | |
4244 | } | |
4245 | ||
dbc4e1c1 JB |
4246 | static void |
4247 | XTframe_raise_lower (f, raise) | |
4248 | FRAME_PTR f; | |
4249 | int raise; | |
4250 | { | |
4251 | if (raise) | |
4252 | x_raise_frame (f); | |
4253 | else | |
4254 | x_lower_frame (f); | |
4255 | } | |
4256 | ||
4257 | ||
dc6f92b8 JB |
4258 | /* Change from withdrawn state to mapped state. */ |
4259 | ||
f676886a JB |
4260 | x_make_frame_visible (f) |
4261 | struct frame *f; | |
dc6f92b8 JB |
4262 | { |
4263 | int mask; | |
4264 | ||
dc6f92b8 | 4265 | BLOCK_INPUT; |
dc6f92b8 | 4266 | |
f676886a | 4267 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
4268 | { |
4269 | #ifdef HAVE_X11 | |
4270 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4271 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 4272 | |
c118dd06 | 4273 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
ab648270 | 4274 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
4275 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4276 | #else /* ! defined (HAVE_X11) */ | |
4277 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4278 | if (f->display.x->icon_desc != 0) |
4279 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4280 | |
90e65f07 | 4281 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4282 | f->async_visible = 1; |
4283 | f->async_iconified = 0; | |
dc6f92b8 | 4284 | |
f676886a | 4285 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4286 | XTcursor_to (0, 0); |
c118dd06 | 4287 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4288 | } |
dc6f92b8 | 4289 | |
dc6f92b8 | 4290 | XFlushQueue (); |
90e65f07 | 4291 | |
dc6f92b8 JB |
4292 | UNBLOCK_INPUT; |
4293 | } | |
4294 | ||
4295 | /* Change from mapped state to withdrawn state. */ | |
4296 | ||
f676886a JB |
4297 | x_make_frame_invisible (f) |
4298 | struct frame *f; | |
dc6f92b8 JB |
4299 | { |
4300 | int mask; | |
4301 | ||
9319ae23 RS |
4302 | /* Don't keep the highlight on an invisible frame. */ |
4303 | if (x_highlight_frame == f) | |
4304 | x_highlight_frame = 0; | |
4305 | ||
4306 | if (! f->async_visible && ! f->async_iconified) | |
dc6f92b8 JB |
4307 | return; |
4308 | ||
4309 | BLOCK_INPUT; | |
c118dd06 JB |
4310 | |
4311 | #ifdef HAVE_X11R4 | |
4312 | ||
4313 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
4314 | DefaultScreen (x_current_display))) | |
4315 | { | |
4316 | UNBLOCK_INPUT_RESIGNAL; | |
4317 | error ("can't notify window manager of window withdrawl"); | |
4318 | } | |
4319 | ||
4320 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4321 | #ifdef HAVE_X11 |
16bd92ea | 4322 | |
c118dd06 | 4323 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4324 | if (! EQ (Vx_no_window_manager, Qt)) |
4325 | { | |
16bd92ea | 4326 | XEvent unmap; |
dc6f92b8 | 4327 | |
16bd92ea | 4328 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 4329 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4330 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4331 | unmap.xunmap.from_configure = False; | |
4332 | if (! XSendEvent (x_current_display, | |
4333 | DefaultRootWindow (x_current_display), | |
4334 | False, | |
4335 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4336 | &unmap)) | |
4337 | { | |
4338 | UNBLOCK_INPUT_RESIGNAL; | |
4339 | error ("can't notify window manager of withdrawal"); | |
4340 | } | |
dc6f92b8 JB |
4341 | } |
4342 | ||
16bd92ea | 4343 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
4344 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
4345 | ||
4346 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 4347 | |
c118dd06 | 4348 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4349 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4350 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4351 | XUnmapWindow (f->display.x->icon_desc); |
4352 | ||
4353 | #endif /* ! defined (HAVE_X11) */ | |
4354 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4355 | |
4356 | XFlushQueue (); | |
4357 | UNBLOCK_INPUT; | |
4358 | } | |
4359 | ||
dc6f92b8 JB |
4360 | /* Change window state from mapped to iconified. */ |
4361 | ||
f676886a JB |
4362 | x_iconify_frame (f) |
4363 | struct frame *f; | |
dc6f92b8 JB |
4364 | { |
4365 | int mask; | |
4366 | ||
9319ae23 RS |
4367 | /* Don't keep the highlight on an invisible frame. */ |
4368 | if (x_highlight_frame == f) | |
4369 | x_highlight_frame = 0; | |
4370 | ||
3a88c238 | 4371 | if (f->async_iconified) |
dc6f92b8 JB |
4372 | return; |
4373 | ||
4374 | BLOCK_INPUT; | |
4375 | ||
4376 | #ifdef HAVE_X11 | |
16bd92ea JB |
4377 | /* Since we don't know which revision of X we're running, we'll use both |
4378 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4379 | ||
4380 | /* X11R4: send a ClientMessage to the window manager using the | |
4381 | WM_CHANGE_STATE type. */ | |
4382 | { | |
4383 | XEvent message; | |
4384 | ||
c118dd06 | 4385 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4386 | message.xclient.type = ClientMessage; |
4387 | message.xclient.message_type = Xatom_wm_change_state; | |
4388 | message.xclient.format = 32; | |
4389 | message.xclient.data.l[0] = IconicState; | |
4390 | ||
4391 | if (! XSendEvent (x_current_display, | |
4392 | DefaultRootWindow (x_current_display), | |
4393 | False, | |
4394 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4395 | &message)) | |
dc6f92b8 JB |
4396 | { |
4397 | UNBLOCK_INPUT_RESIGNAL; | |
4398 | error ("Can't notify window manager of iconification."); | |
4399 | } | |
16bd92ea | 4400 | } |
dc6f92b8 | 4401 | |
16bd92ea JB |
4402 | /* X11R3: set the initial_state field of the window manager hints to |
4403 | IconicState. */ | |
4404 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4405 | |
3a88c238 | 4406 | f->async_iconified = 1; |
c118dd06 JB |
4407 | #else /* ! defined (HAVE_X11) */ |
4408 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4409 | |
3a88c238 | 4410 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4411 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4412 | { |
f676886a JB |
4413 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4414 | refreshicon (f); | |
dc6f92b8 | 4415 | } |
c118dd06 | 4416 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4417 | |
4418 | XFlushQueue (); | |
4419 | UNBLOCK_INPUT; | |
4420 | } | |
4421 | ||
c0ff3fab | 4422 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4423 | |
c0ff3fab | 4424 | x_destroy_window (f) |
f676886a | 4425 | struct frame *f; |
dc6f92b8 | 4426 | { |
dc6f92b8 | 4427 | BLOCK_INPUT; |
c0ff3fab JB |
4428 | |
4429 | if (f->display.x->icon_desc != 0) | |
4430 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4431 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
07e34cb0 | 4432 | free_frame_faces (f); |
dc6f92b8 | 4433 | XFlushQueue (); |
dc6f92b8 | 4434 | |
9ac0d9e0 | 4435 | xfree (f->display.x); |
c0ff3fab | 4436 | f->display.x = 0; |
f676886a JB |
4437 | if (f == x_focus_frame) |
4438 | x_focus_frame = 0; | |
4439 | if (f == x_highlight_frame) | |
4440 | x_highlight_frame = 0; | |
c0ff3fab JB |
4441 | |
4442 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4443 | } |
4444 | \f | |
f451eb13 JB |
4445 | /* Manage event queues for X10. */ |
4446 | ||
dc6f92b8 JB |
4447 | #ifndef HAVE_X11 |
4448 | ||
4449 | /* Manage event queues. | |
4450 | ||
4451 | This code is only used by the X10 support. | |
4452 | ||
4453 | We cannot leave events in the X queue and get them when we are ready | |
4454 | because X does not provide a subroutine to get only a certain kind | |
4455 | of event but not block if there are no queued events of that kind. | |
4456 | ||
4457 | Therefore, we must examine events as they come in and copy events | |
4458 | of certain kinds into our private queues. | |
4459 | ||
4460 | All ExposeRegion events are put in x_expose_queue. | |
4461 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4462 | ||
4463 | ||
4464 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4465 | If the queue is full, do nothing, but return nonzero. */ | |
4466 | ||
4467 | int | |
4468 | enqueue_event (p_xrep, queue) | |
4469 | register XEvent *p_xrep; | |
4470 | register struct event_queue *queue; | |
4471 | { | |
4472 | int newindex = queue->windex + 1; | |
4473 | if (newindex == EVENT_BUFFER_SIZE) | |
4474 | newindex = 0; | |
4475 | if (newindex == queue->rindex) | |
4476 | return -1; | |
4477 | queue->xrep[queue->windex] = *p_xrep; | |
4478 | queue->windex = newindex; | |
4479 | return 0; | |
4480 | } | |
4481 | ||
4482 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4483 | If *QUEUE is empty, do nothing and return 0. */ | |
4484 | ||
4485 | int | |
4486 | dequeue_event (p_xrep, queue) | |
4487 | register XEvent *p_xrep; | |
4488 | register struct event_queue *queue; | |
4489 | { | |
4490 | if (queue->windex == queue->rindex) | |
4491 | return 0; | |
4492 | *p_xrep = queue->xrep[queue->rindex++]; | |
4493 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4494 | queue->rindex = 0; | |
4495 | return 1; | |
4496 | } | |
4497 | ||
4498 | /* Return the number of events buffered in *QUEUE. */ | |
4499 | ||
4500 | int | |
4501 | queue_event_count (queue) | |
4502 | register struct event_queue *queue; | |
4503 | { | |
4504 | int tem = queue->windex - queue->rindex; | |
4505 | if (tem >= 0) | |
4506 | return tem; | |
4507 | return EVENT_BUFFER_SIZE + tem; | |
4508 | } | |
4509 | ||
4510 | /* Return nonzero if mouse input is pending. */ | |
4511 | ||
4512 | int | |
4513 | mouse_event_pending_p () | |
4514 | { | |
4515 | return queue_event_count (&x_mouse_queue); | |
4516 | } | |
c118dd06 | 4517 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4518 | \f |
f451eb13 JB |
4519 | /* Setting window manager hints. */ |
4520 | ||
dc6f92b8 JB |
4521 | #ifdef HAVE_X11 |
4522 | ||
f676886a JB |
4523 | x_wm_set_size_hint (f, prompting) |
4524 | struct frame *f; | |
dc6f92b8 JB |
4525 | long prompting; |
4526 | { | |
4527 | XSizeHints size_hints; | |
c118dd06 | 4528 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4529 | |
f7f79491 | 4530 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; |
dc6f92b8 | 4531 | |
f676886a JB |
4532 | flexlines = f->height; |
4533 | ||
4534 | size_hints.x = f->display.x->left_pos; | |
4535 | size_hints.y = f->display.x->top_pos; | |
4536 | size_hints.height = PIXEL_HEIGHT (f); | |
4537 | size_hints.width = PIXEL_WIDTH (f); | |
4538 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4539 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
f7f79491 | 4540 | #if 0 |
12ba150f JB |
4541 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4542 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f7f79491 | 4543 | #endif |
b1c884c3 | 4544 | { |
b0342f17 JB |
4545 | int base_width, base_height; |
4546 | ||
f451eb13 JB |
4547 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4548 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4549 | |
4550 | { | |
4551 | int min_rows = 0, min_cols = 0; | |
4552 | check_frame_size (f, &min_rows, &min_cols); | |
4553 | ||
4554 | /* The window manager uses the base width hints to calculate the | |
4555 | current number of rows and columns in the frame while | |
4556 | resizing; min_width and min_height aren't useful for this | |
4557 | purpose, since they might not give the dimensions for a | |
4558 | zero-row, zero-column frame. | |
4559 | ||
4560 | We use the base_width and base_height members if we have | |
4561 | them; otherwise, we set the min_width and min_height members | |
4562 | to the size for a zero x zero frame. */ | |
4563 | ||
4564 | #ifdef HAVE_X11R4 | |
4565 | size_hints.flags |= PBaseSize; | |
4566 | size_hints.base_width = base_width; | |
4567 | size_hints.base_height = base_height; | |
4568 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4569 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4570 | #else | |
4571 | size_hints.min_width = base_width; | |
4572 | size_hints.min_height = base_height; | |
4573 | #endif | |
4574 | } | |
b1c884c3 | 4575 | |
b1c884c3 | 4576 | } |
dc6f92b8 JB |
4577 | |
4578 | if (prompting) | |
4579 | size_hints.flags |= prompting; | |
4580 | else | |
4581 | { | |
4582 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4583 | ||
82ee0df4 RS |
4584 | if (XGetNormalHints (x_current_display, window, &hints) == 0) |
4585 | hints.flags = 0; | |
dc6f92b8 JB |
4586 | if (hints.flags & PSize) |
4587 | size_hints.flags |= PSize; | |
4588 | if (hints.flags & PPosition) | |
4589 | size_hints.flags |= PPosition; | |
4590 | if (hints.flags & USPosition) | |
4591 | size_hints.flags |= USPosition; | |
4592 | if (hints.flags & USSize) | |
4593 | size_hints.flags |= USSize; | |
4594 | } | |
16bd92ea | 4595 | |
b0342f17 JB |
4596 | #ifdef HAVE_X11R4 |
4597 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4598 | #else | |
dc6f92b8 | 4599 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4600 | #endif |
dc6f92b8 JB |
4601 | } |
4602 | ||
4603 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4604 | x_wm_set_window_state (f, state) |
4605 | struct frame *f; | |
dc6f92b8 JB |
4606 | int state; |
4607 | { | |
c118dd06 | 4608 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4609 | |
16bd92ea JB |
4610 | f->display.x->wm_hints.flags |= StateHint; |
4611 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4612 | |
16bd92ea | 4613 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4614 | } |
4615 | ||
f676886a JB |
4616 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4617 | struct frame *f; | |
dc6f92b8 JB |
4618 | Pixmap icon_pixmap; |
4619 | { | |
c118dd06 | 4620 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4621 | |
dbc4e1c1 JB |
4622 | if (icon_pixmap) |
4623 | { | |
4624 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
4625 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
4626 | } | |
4627 | else | |
4628 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 4629 | |
16bd92ea | 4630 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4631 | } |
4632 | ||
f676886a JB |
4633 | x_wm_set_icon_position (f, icon_x, icon_y) |
4634 | struct frame *f; | |
dc6f92b8 JB |
4635 | int icon_x, icon_y; |
4636 | { | |
c118dd06 | 4637 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4638 | |
16bd92ea JB |
4639 | f->display.x->wm_hints.flags |= IconPositionHint; |
4640 | f->display.x->wm_hints.icon_x = icon_x; | |
4641 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4642 | |
16bd92ea | 4643 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4644 | } |
4645 | ||
4646 | \f | |
f451eb13 JB |
4647 | /* Initialization. */ |
4648 | ||
dc6f92b8 JB |
4649 | void |
4650 | x_term_init (display_name) | |
4651 | char *display_name; | |
4652 | { | |
f676886a | 4653 | Lisp_Object frame; |
dc6f92b8 JB |
4654 | char *defaultvalue; |
4655 | #ifdef F_SETOWN | |
4656 | extern int old_fcntl_owner; | |
c118dd06 | 4657 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4658 | |
f676886a | 4659 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4660 | |
4661 | x_current_display = XOpenDisplay (display_name); | |
4662 | if (x_current_display == 0) | |
4663 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4664 | display_name); | |
4665 | ||
4666 | #ifdef HAVE_X11 | |
4667 | { | |
16bd92ea | 4668 | int hostname_size = 256; |
60fb3ee1 JB |
4669 | |
4670 | hostname = (char *) xmalloc (hostname_size); | |
4671 | ||
dc6f92b8 JB |
4672 | #if 0 |
4673 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4674 | #endif /* ! 0 */ |
dc6f92b8 | 4675 | |
60fb3ee1 JB |
4676 | /* Try to get the host name; if the buffer is too short, try |
4677 | again. Apparently, the only indication gethostname gives of | |
4678 | whether the buffer was large enough is the presence or absence | |
4679 | of a '\0' in the string. Eech. */ | |
4680 | for (;;) | |
4681 | { | |
4682 | gethostname (hostname, hostname_size - 1); | |
4683 | hostname[hostname_size - 1] = '\0'; | |
4684 | ||
4685 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4686 | if (strlen (hostname) < hostname_size - 1) | |
4687 | break; | |
4688 | ||
4689 | hostname_size <<= 1; | |
4690 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4691 | } | |
59653951 | 4692 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
4693 | + strlen (hostname) |
4694 | + 2); | |
59653951 | 4695 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 4696 | } |
28430d3c JB |
4697 | |
4698 | /* Figure out which modifier bits mean what. */ | |
4699 | x_find_modifier_meanings (); | |
f451eb13 | 4700 | |
ab648270 | 4701 | /* Get the scroll bar cursor. */ |
d56a553a RS |
4702 | x_vertical_scroll_bar_cursor |
4703 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 4704 | |
d56a553a | 4705 | #if 0 |
28430d3c JB |
4706 | /* Watch for PropertyNotify events on the root window; we use them |
4707 | to figure out when to invalidate our cache of the cut buffers. */ | |
4708 | x_watch_cut_buffer_cache (); | |
d56a553a | 4709 | #endif |
28430d3c | 4710 | |
a4fc7360 JB |
4711 | if (ConnectionNumber (x_current_display) != 0) |
4712 | { | |
4713 | dup2 (ConnectionNumber (x_current_display), 0); | |
6d4238f3 JB |
4714 | |
4715 | #ifndef SYSV_STREAMS | |
a4fc7360 JB |
4716 | /* Streams somehow keeps track of which descriptor number |
4717 | is being used to talk to X. So it is not safe to substitute | |
4718 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
4719 | close (ConnectionNumber (x_current_display)); | |
4720 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? | |
6d4238f3 JB |
4721 | * check the def of the macro; |
4722 | * it is a genuine lvalue */ | |
c118dd06 | 4723 | #endif /* SYSV_STREAMS */ |
a4fc7360 | 4724 | } |
6d4238f3 | 4725 | |
c118dd06 | 4726 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4727 | |
4728 | #ifdef F_SETOWN | |
4729 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4730 | #ifdef F_SETOWN_SOCK_NEG | |
4731 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4732 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4733 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4734 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4735 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4736 | |
4737 | #ifdef SIGIO | |
4738 | init_sigio (); | |
c118dd06 | 4739 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4740 | |
4741 | /* Must use interrupt input because we cannot otherwise | |
4742 | arrange for C-g to be noticed immediately. | |
4743 | We cannot connect it to SIGINT. */ | |
4744 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4745 | ||
4746 | expose_all_windows = 0; | |
4747 | ||
f676886a | 4748 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4749 | clear_end_of_line_hook = XTclear_end_of_line; |
4750 | ins_del_lines_hook = XTins_del_lines; | |
4751 | change_line_highlight_hook = XTchange_line_highlight; | |
4752 | insert_glyphs_hook = XTinsert_glyphs; | |
4753 | write_glyphs_hook = XTwrite_glyphs; | |
4754 | delete_glyphs_hook = XTdelete_glyphs; | |
4755 | ring_bell_hook = XTring_bell; | |
4756 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4757 | set_terminal_modes_hook = XTset_terminal_modes; | |
4758 | update_begin_hook = XTupdate_begin; | |
4759 | update_end_hook = XTupdate_end; | |
4760 | set_terminal_window_hook = XTset_terminal_window; | |
4761 | read_socket_hook = XTread_socket; | |
4762 | cursor_to_hook = XTcursor_to; | |
4763 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4764 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4765 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 4766 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
4767 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
4768 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
4769 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
4770 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 4771 | |
f676886a | 4772 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4773 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4774 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4775 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4776 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4777 | off the bottom */ |
4778 | baud_rate = 19200; | |
4779 | ||
c118dd06 JB |
4780 | /* Note that there is no real way portable across R3/R4 to get the |
4781 | original error handler. */ | |
4782 | XHandleError (x_error_quitter); | |
8922af5f | 4783 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
4784 | |
4785 | /* Disable Window Change signals; they are handled by X events. */ | |
4786 | #ifdef SIGWINCH | |
4787 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4788 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4789 | |
c118dd06 | 4790 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4791 | } |
55123275 JB |
4792 | |
4793 | void | |
4794 | syms_of_xterm () | |
4795 | { | |
ab648270 | 4796 | staticpro (&last_mouse_scroll_bar); |
55123275 | 4797 | } |
c118dd06 JB |
4798 | #endif /* ! defined (HAVE_X11) */ |
4799 | #endif /* ! defined (HAVE_X_WINDOWS) */ |