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 | |
eb8c3be9 | 706 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
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. |
eb8c3be9 | 1291 | Each event gets marked with the frame in which it occurred, 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 | |
eb8c3be9 | 1632 | If the last X motion event occurred in a scroll bar, we set this |
ab648270 | 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 | ||
a135645a RS |
1703 | Don't store anything if we don't have a valid set of values to report. |
1704 | ||
90e65f07 | 1705 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1706 | movement. This also calls XQueryPointer, which will cause the |
1707 | server to give us another MotionNotify when the mouse moves | |
1708 | again. */ | |
90e65f07 JB |
1709 | |
1710 | static void | |
12ba150f | 1711 | XTmouse_position (f, bar_window, part, x, y, time) |
f676886a | 1712 | FRAME_PTR *f; |
12ba150f | 1713 | Lisp_Object *bar_window; |
ab648270 | 1714 | enum scroll_bar_part *part; |
90e65f07 | 1715 | Lisp_Object *x, *y; |
e5d77022 | 1716 | unsigned long *time; |
90e65f07 | 1717 | { |
a135645a RS |
1718 | FRAME_PTR f1; |
1719 | ||
90e65f07 JB |
1720 | BLOCK_INPUT; |
1721 | ||
ab648270 JB |
1722 | if (! NILP (last_mouse_scroll_bar)) |
1723 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1724 | else |
1725 | { | |
12ba150f JB |
1726 | Window root; |
1727 | int root_x, root_y; | |
90e65f07 | 1728 | |
12ba150f JB |
1729 | Window dummy_window; |
1730 | int dummy; | |
1731 | ||
1732 | mouse_moved = 0; | |
ab648270 | 1733 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
1734 | |
1735 | /* Figure out which root window we're on. */ | |
1736 | XQueryPointer (x_current_display, | |
1737 | DefaultRootWindow (x_current_display), | |
1738 | ||
1739 | /* The root window which contains the pointer. */ | |
1740 | &root, | |
1741 | ||
1742 | /* Trash which we can't trust if the pointer is on | |
1743 | a different screen. */ | |
1744 | &dummy_window, | |
1745 | ||
1746 | /* The position on that root window. */ | |
1747 | &root_x, &root_y, | |
1748 | ||
1749 | /* More trash we can't trust. */ | |
1750 | &dummy, &dummy, | |
1751 | ||
1752 | /* Modifier keys and pointer buttons, about which | |
1753 | we don't care. */ | |
1754 | (unsigned int *) &dummy); | |
1755 | ||
1756 | /* Now we have a position on the root; find the innermost window | |
1757 | containing the pointer. */ | |
1758 | { | |
1759 | Window win, child; | |
1760 | int win_x, win_y; | |
1761 | int parent_x, parent_y; | |
1762 | ||
1763 | win = root; | |
1764 | for (;;) | |
1765 | { | |
1766 | XTranslateCoordinates (x_current_display, | |
1767 | ||
1768 | /* From-window, to-window. */ | |
1769 | root, win, | |
1770 | ||
1771 | /* From-position, to-position. */ | |
1772 | root_x, root_y, &win_x, &win_y, | |
1773 | ||
1774 | /* Child of win. */ | |
1775 | &child); | |
1776 | ||
1777 | if (child == None) | |
1778 | break; | |
1779 | ||
1780 | win = child; | |
1781 | parent_x = win_x; | |
1782 | parent_y = win_y; | |
1783 | } | |
1784 | ||
1785 | /* Now we know that: | |
1786 | win is the innermost window containing the pointer | |
1787 | (XTC says it has no child containing the pointer), | |
1788 | win_x and win_y are the pointer's position in it | |
1789 | (XTC did this the last time through), and | |
1790 | parent_x and parent_y are the pointer's position in win's parent. | |
1791 | (They are what win_x and win_y were when win was child. | |
1792 | If win is the root window, it has no parent, and | |
1793 | parent_{x,y} are invalid, but that's okay, because we'll | |
1794 | never use them in that case.) */ | |
1795 | ||
1796 | /* Is win one of our frames? */ | |
a135645a | 1797 | f1 = x_window_to_frame (win); |
12ba150f | 1798 | |
ab648270 | 1799 | /* If not, is it one of our scroll bars? */ |
a135645a | 1800 | if (! f1) |
12ba150f | 1801 | { |
ab648270 | 1802 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
1803 | |
1804 | if (bar) | |
1805 | { | |
a135645a | 1806 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
1807 | win_x = parent_x; |
1808 | win_y = parent_y; | |
1809 | } | |
1810 | } | |
90e65f07 | 1811 | |
a135645a | 1812 | if (f1) |
12ba150f | 1813 | { |
a135645a RS |
1814 | /* Ok, we found a frame. Convert from pixels to characters |
1815 | and store all the values. */ | |
1816 | ||
1817 | pixel_to_glyph_coords (f1, win_x, win_y, &win_x, &win_y, | |
12ba150f JB |
1818 | &last_mouse_glyph); |
1819 | ||
1820 | *bar_window = Qnil; | |
1821 | *part = 0; | |
a135645a | 1822 | *f = f1; |
12ba150f JB |
1823 | XSET (*x, Lisp_Int, win_x); |
1824 | XSET (*y, Lisp_Int, win_y); | |
1825 | *time = last_mouse_movement_time; | |
1826 | } | |
1827 | } | |
1828 | } | |
90e65f07 JB |
1829 | |
1830 | UNBLOCK_INPUT; | |
1831 | } | |
1832 | ||
c118dd06 | 1833 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1834 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1835 | #endif /* ! defined (HAVE_X11) */ |
1836 | \f | |
ab648270 | 1837 | /* Scroll bar support. */ |
f451eb13 | 1838 | |
ab648270 JB |
1839 | /* Given an X window ID, find the struct scroll_bar which manages it. |
1840 | This can be called in GC, so we have to make sure to strip off mark | |
1841 | bits. */ | |
1842 | static struct scroll_bar * | |
1843 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
1844 | Window window_id; |
1845 | { | |
1846 | Lisp_Object tail, frame; | |
f451eb13 | 1847 | |
ab648270 JB |
1848 | for (tail = Vframe_list; |
1849 | XGCTYPE (tail) == Lisp_Cons; | |
1850 | tail = XCONS (tail)->cdr) | |
f451eb13 | 1851 | { |
f451eb13 | 1852 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1853 | Lisp_Object bar, condemned; |
f451eb13 JB |
1854 | |
1855 | /* All elements of Vframe_list should be frames. */ | |
ab648270 | 1856 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
1857 | abort (); |
1858 | ||
ab648270 | 1859 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 1860 | right window ID. */ |
ab648270 JB |
1861 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
1862 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 1863 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
1864 | condemned scroll bar lists with one loop. */ |
1865 | ! GC_NILP (bar) || (bar = condemned, | |
1866 | condemned = Qnil, | |
1867 | ! GC_NILP (bar)); | |
1868 | bar = XSCROLL_BAR(bar)->next) | |
1869 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1870 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
1871 | } |
1872 | ||
1873 | return 0; | |
1874 | } | |
1875 | ||
ab648270 JB |
1876 | /* Open a new X window to serve as a scroll bar, and return the |
1877 | scroll bar vector for it. */ | |
1878 | static struct scroll_bar * | |
1879 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 1880 | struct window *window; |
f451eb13 JB |
1881 | int top, left, width, height; |
1882 | { | |
12ba150f | 1883 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
1884 | struct scroll_bar *bar = |
1885 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
1886 | |
1887 | BLOCK_INPUT; | |
1888 | ||
1889 | { | |
1890 | XSetWindowAttributes a; | |
1891 | unsigned long mask; | |
1892 | ||
12ba150f JB |
1893 | a.background_pixel = frame->display.x->background_pixel; |
1894 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1895 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1896 | | ExposureMask); |
ab648270 | 1897 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 1898 | |
dbc4e1c1 | 1899 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 1900 | |
ab648270 | 1901 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
1902 | (bar, |
1903 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1904 | |
ab648270 | 1905 | /* Position and size of scroll bar. */ |
12ba150f | 1906 | left, top, width, height, |
f451eb13 | 1907 | |
12ba150f JB |
1908 | /* Border width, depth, class, and visual. */ |
1909 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1910 | |
12ba150f JB |
1911 | /* Attributes. */ |
1912 | mask, &a)); | |
f451eb13 JB |
1913 | } |
1914 | ||
12ba150f JB |
1915 | XSET (bar->window, Lisp_Window, window); |
1916 | XSET (bar->top, Lisp_Int, top); | |
1917 | XSET (bar->left, Lisp_Int, left); | |
1918 | XSET (bar->width, Lisp_Int, width); | |
1919 | XSET (bar->height, Lisp_Int, height); | |
1920 | XSET (bar->start, Lisp_Int, 0); | |
1921 | XSET (bar->end, Lisp_Int, 0); | |
1922 | bar->dragging = Qnil; | |
f451eb13 JB |
1923 | |
1924 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 1925 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 1926 | bar->prev = Qnil; |
ab648270 | 1927 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 1928 | if (! NILP (bar->next)) |
ab648270 | 1929 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 1930 | |
ab648270 | 1931 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
1932 | |
1933 | UNBLOCK_INPUT; | |
12ba150f JB |
1934 | |
1935 | return bar; | |
f451eb13 JB |
1936 | } |
1937 | ||
12ba150f JB |
1938 | /* Draw BAR's handle in the proper position. |
1939 | If the handle is already drawn from START to END, don't bother | |
1940 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1941 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1942 | events.) | |
1943 | ||
1944 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 1945 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
1946 | handle, we want to let them drag it down all the way, so that the |
1947 | bar's top is as far down as it goes; otherwise, there's no way to | |
1948 | move to the very end of the buffer. */ | |
f451eb13 | 1949 | static void |
ab648270 JB |
1950 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
1951 | struct scroll_bar *bar; | |
f451eb13 | 1952 | int start, end; |
12ba150f | 1953 | int rebuild; |
f451eb13 | 1954 | { |
12ba150f | 1955 | int dragging = ! NILP (bar->dragging); |
ab648270 | 1956 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
1957 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
1958 | ||
1959 | /* If the display is already accurate, do nothing. */ | |
1960 | if (! rebuild | |
1961 | && start == XINT (bar->start) | |
1962 | && end == XINT (bar->end)) | |
1963 | return; | |
1964 | ||
f451eb13 JB |
1965 | BLOCK_INPUT; |
1966 | ||
1967 | { | |
ab648270 JB |
1968 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
1969 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
1970 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
1971 | |
1972 | /* Make sure the values are reasonable, and try to preserve | |
1973 | the distance between start and end. */ | |
12ba150f JB |
1974 | { |
1975 | int length = end - start; | |
1976 | ||
1977 | if (start < 0) | |
1978 | start = 0; | |
1979 | else if (start > top_range) | |
1980 | start = top_range; | |
1981 | end = start + length; | |
1982 | ||
1983 | if (end < start) | |
1984 | end = start; | |
1985 | else if (end > top_range && ! dragging) | |
1986 | end = top_range; | |
1987 | } | |
f451eb13 | 1988 | |
ab648270 | 1989 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
1990 | XSET (bar->start, Lisp_Int, start); |
1991 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 1992 | |
12ba150f JB |
1993 | /* Clip the end position, just for display. */ |
1994 | if (end > top_range) | |
1995 | end = top_range; | |
f451eb13 | 1996 | |
ab648270 | 1997 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
1998 | below top positions, to make sure the handle is always at least |
1999 | that many pixels tall. */ | |
ab648270 | 2000 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2001 | |
12ba150f JB |
2002 | /* Draw the empty space above the handle. Note that we can't clear |
2003 | zero-height areas; that means "clear to end of window." */ | |
2004 | if (0 < start) | |
2005 | XClearArea (x_current_display, w, | |
f451eb13 | 2006 | |
12ba150f | 2007 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2008 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2009 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2010 | inside_width, start, |
2011 | False); | |
f451eb13 | 2012 | |
12ba150f JB |
2013 | /* Draw the handle itself. */ |
2014 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2015 | |
12ba150f | 2016 | /* x, y, width, height */ |
ab648270 JB |
2017 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2018 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2019 | inside_width, end - start); |
f451eb13 | 2020 | |
f451eb13 | 2021 | |
12ba150f JB |
2022 | /* Draw the empty space below the handle. Note that we can't |
2023 | clear zero-height areas; that means "clear to end of window." */ | |
2024 | if (end < inside_height) | |
2025 | XClearArea (x_current_display, w, | |
f451eb13 | 2026 | |
12ba150f | 2027 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2028 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2029 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2030 | inside_width, inside_height - end, |
2031 | False); | |
f451eb13 | 2032 | |
f451eb13 JB |
2033 | } |
2034 | ||
f451eb13 JB |
2035 | UNBLOCK_INPUT; |
2036 | } | |
2037 | ||
eb8c3be9 | 2038 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2039 | window configurations. */ |
f451eb13 | 2040 | static void |
ab648270 JB |
2041 | x_scroll_bar_move (bar, top, left, width, height) |
2042 | struct scroll_bar *bar; | |
f451eb13 JB |
2043 | int top, left, width, height; |
2044 | { | |
2045 | BLOCK_INPUT; | |
2046 | ||
2047 | { | |
2048 | XWindowChanges wc; | |
2049 | unsigned int mask = 0; | |
2050 | ||
2051 | wc.x = left; | |
2052 | wc.y = top; | |
2053 | wc.width = width; | |
2054 | wc.height = height; | |
2055 | ||
12ba150f JB |
2056 | if (left != XINT (bar->left)) mask |= CWX; |
2057 | if (top != XINT (bar->top)) mask |= CWY; | |
2058 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2059 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2060 | ||
2061 | if (mask) | |
ab648270 | 2062 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2063 | mask, &wc); |
f451eb13 JB |
2064 | } |
2065 | ||
12ba150f JB |
2066 | XSET (bar->left, Lisp_Int, left); |
2067 | XSET (bar->top, Lisp_Int, top); | |
2068 | XSET (bar->width, Lisp_Int, width); | |
2069 | XSET (bar->height, Lisp_Int, height); | |
2070 | ||
f451eb13 JB |
2071 | UNBLOCK_INPUT; |
2072 | } | |
2073 | ||
ab648270 | 2074 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2075 | to nil. */ |
2076 | static void | |
ab648270 JB |
2077 | x_scroll_bar_remove (bar) |
2078 | struct scroll_bar *bar; | |
12ba150f JB |
2079 | { |
2080 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2081 | ||
2082 | BLOCK_INPUT; | |
2083 | ||
2084 | /* Destroy the window. */ | |
ab648270 | 2085 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2086 | |
ab648270 JB |
2087 | /* Disassociate this scroll bar from its window. */ |
2088 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2089 | |
2090 | UNBLOCK_INPUT; | |
2091 | } | |
2092 | ||
2093 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2094 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2095 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2096 | create one. */ |
2097 | static void | |
ab648270 | 2098 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2099 | struct window *window; |
2100 | int portion, whole, position; | |
2101 | { | |
2102 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2103 | int top = XINT (window->top); |
ab648270 JB |
2104 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2105 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2106 | |
ab648270 | 2107 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2108 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2109 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2110 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2111 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2112 | |
ab648270 | 2113 | struct scroll_bar *bar; |
12ba150f | 2114 | |
ab648270 JB |
2115 | /* Does the scroll bar exist yet? */ |
2116 | if (NILP (window->vertical_scroll_bar)) | |
2117 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2118 | pixel_top, pixel_left, |
2119 | pixel_width, pixel_height); | |
2120 | else | |
12ba150f JB |
2121 | { |
2122 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2123 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2124 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2125 | } |
f451eb13 | 2126 | |
ab648270 | 2127 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2128 | dragged. */ |
12ba150f | 2129 | if (NILP (bar->dragging)) |
f451eb13 | 2130 | { |
12ba150f | 2131 | int top_range = |
ab648270 | 2132 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2133 | |
12ba150f | 2134 | if (whole == 0) |
ab648270 | 2135 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2136 | else |
2137 | { | |
43f868f5 JB |
2138 | int start = ((double) position * top_range) / whole; |
2139 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2140 | |
ab648270 | 2141 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2142 | } |
f451eb13 JB |
2143 | } |
2144 | ||
ab648270 | 2145 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2146 | } |
2147 | ||
12ba150f | 2148 | |
f451eb13 | 2149 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2150 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2151 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2152 | away is a real pain - "Can you say set-window-configuration, boys |
2153 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2154 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2155 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2156 | |
ab648270 JB |
2157 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2158 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2159 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2160 | static void |
ab648270 | 2161 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2162 | FRAME_PTR frame; |
2163 | { | |
12ba150f JB |
2164 | /* The condemned list should be empty at this point; if it's not, |
2165 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2166 | protocol correctly. */ | |
ab648270 | 2167 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2168 | abort (); |
2169 | ||
2170 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2171 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2172 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2173 | } |
2174 | ||
ab648270 | 2175 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2176 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2177 | static void |
ab648270 | 2178 | XTredeem_scroll_bar (window) |
12ba150f | 2179 | struct window *window; |
f451eb13 | 2180 | { |
ab648270 | 2181 | struct scroll_bar *bar; |
12ba150f | 2182 | |
ab648270 JB |
2183 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2184 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2185 | abort (); |
2186 | ||
ab648270 | 2187 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2188 | |
2189 | /* Unlink it from the condemned list. */ | |
2190 | { | |
2191 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2192 | ||
2193 | if (NILP (bar->prev)) | |
2194 | { | |
2195 | /* If the prev pointer is nil, it must be the first in one of | |
2196 | the lists. */ | |
ab648270 | 2197 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2198 | /* It's not condemned. Everything's fine. */ |
2199 | return; | |
ab648270 JB |
2200 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2201 | window->vertical_scroll_bar)) | |
2202 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2203 | else |
2204 | /* If its prev pointer is nil, it must be at the front of | |
2205 | one or the other! */ | |
2206 | abort (); | |
2207 | } | |
2208 | else | |
ab648270 | 2209 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2210 | |
2211 | if (! NILP (bar->next)) | |
ab648270 | 2212 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2213 | |
ab648270 | 2214 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2215 | bar->prev = Qnil; |
ab648270 | 2216 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2217 | if (! NILP (bar->next)) |
ab648270 | 2218 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2219 | } |
f451eb13 JB |
2220 | } |
2221 | ||
ab648270 JB |
2222 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2223 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2224 | static void |
ab648270 | 2225 | XTjudge_scroll_bars (f) |
12ba150f | 2226 | FRAME_PTR f; |
f451eb13 | 2227 | { |
12ba150f | 2228 | Lisp_Object bar, next; |
f451eb13 | 2229 | |
ab648270 | 2230 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2231 | |
2232 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2233 | more events on the hapless scroll bars. */ |
2234 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2235 | |
2236 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2237 | { |
ab648270 | 2238 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2239 | |
ab648270 | 2240 | x_scroll_bar_remove (b); |
12ba150f JB |
2241 | |
2242 | next = b->next; | |
2243 | b->next = b->prev = Qnil; | |
f451eb13 | 2244 | } |
12ba150f | 2245 | |
ab648270 | 2246 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2247 | and they should get garbage-collected. */ |
f451eb13 JB |
2248 | } |
2249 | ||
2250 | ||
ab648270 JB |
2251 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2252 | ||
2253 | This may be called from a signal handler, so we have to ignore GC | |
2254 | mark bits. */ | |
f451eb13 | 2255 | static void |
ab648270 JB |
2256 | x_scroll_bar_expose (bar, event) |
2257 | struct scroll_bar *bar; | |
f451eb13 JB |
2258 | XEvent *event; |
2259 | { | |
ab648270 | 2260 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2261 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2262 | ||
f451eb13 JB |
2263 | BLOCK_INPUT; |
2264 | ||
ab648270 | 2265 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2266 | |
ab648270 | 2267 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2268 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2269 | |
2270 | /* x, y, width, height */ | |
12ba150f | 2271 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2272 | |
12ba150f JB |
2273 | /* Draw another line to make the extra-thick border on the right. */ |
2274 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2275 | |
12ba150f JB |
2276 | /* x, y, width, height */ |
2277 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2278 | |
2279 | UNBLOCK_INPUT; | |
2280 | } | |
2281 | ||
ab648270 JB |
2282 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2283 | is set to something other than no_event, it is enqueued. | |
2284 | ||
2285 | This may be called from a signal handler, so we have to ignore GC | |
2286 | mark bits. */ | |
f451eb13 | 2287 | static void |
ab648270 JB |
2288 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2289 | struct scroll_bar *bar; | |
f451eb13 JB |
2290 | XEvent *event; |
2291 | struct input_event *emacs_event; | |
2292 | { | |
ab648270 | 2293 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2294 | abort (); |
2295 | ||
ab648270 | 2296 | emacs_event->kind = scroll_bar_click; |
12ba150f | 2297 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 | 2298 | emacs_event->modifiers = |
dfeccd2d | 2299 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
2300 | | (event->type == ButtonRelease |
2301 | ? up_modifier | |
2302 | : down_modifier)); | |
12ba150f | 2303 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2304 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2305 | { |
2306 | int internal_height = | |
ab648270 | 2307 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2308 | int top_range = |
ab648270 JB |
2309 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2310 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2311 | |
2312 | if (y < 0) y = 0; | |
2313 | if (y > top_range) y = top_range; | |
2314 | ||
2315 | if (y < XINT (bar->start)) | |
ab648270 JB |
2316 | emacs_event->part = scroll_bar_above_handle; |
2317 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2318 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2319 | else |
ab648270 | 2320 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2321 | |
2322 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2323 | they want to drag it. Lisp code needs to be able to decide |
2324 | whether or not we're dragging. */ | |
929787e1 | 2325 | #if 0 |
12ba150f JB |
2326 | /* If the user has just clicked on the handle, record where they're |
2327 | holding it. */ | |
2328 | if (event->type == ButtonPress | |
ab648270 | 2329 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 2330 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 2331 | #endif |
12ba150f JB |
2332 | |
2333 | /* If the user has released the handle, set it to its final position. */ | |
2334 | if (event->type == ButtonRelease | |
2335 | && ! NILP (bar->dragging)) | |
2336 | { | |
2337 | int new_start = y - XINT (bar->dragging); | |
2338 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2339 | |
ab648270 | 2340 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2341 | bar->dragging = Qnil; |
2342 | } | |
f451eb13 | 2343 | |
5116f055 JB |
2344 | /* Same deal here as the other #if 0. */ |
2345 | #if 0 | |
eb8c3be9 | 2346 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 2347 | the handle. */ |
ab648270 | 2348 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2349 | emacs_event->x = bar->start; |
2350 | else | |
2351 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
2352 | #else |
2353 | XSET (emacs_event->x, Lisp_Int, y); | |
2354 | #endif | |
f451eb13 | 2355 | |
12ba150f JB |
2356 | XSET (emacs_event->y, Lisp_Int, top_range); |
2357 | } | |
2358 | } | |
f451eb13 | 2359 | |
ab648270 JB |
2360 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2361 | ||
2362 | This may be called from a signal handler, so we have to ignore GC | |
2363 | mark bits. */ | |
f451eb13 | 2364 | static void |
ab648270 JB |
2365 | x_scroll_bar_note_movement (bar, event) |
2366 | struct scroll_bar *bar; | |
f451eb13 JB |
2367 | XEvent *event; |
2368 | { | |
2369 | last_mouse_movement_time = event->xmotion.time; | |
2370 | ||
2371 | mouse_moved = 1; | |
ab648270 | 2372 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2373 | |
2374 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2375 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2376 | { |
2377 | /* Where should the handle be now? */ | |
12ba150f | 2378 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2379 | |
12ba150f | 2380 | if (new_start != XINT (bar->start)) |
f451eb13 | 2381 | { |
12ba150f | 2382 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2383 | |
ab648270 | 2384 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2385 | } |
2386 | } | |
2387 | ||
2388 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2389 | moves and we can see *still* on the same position. */ | |
2390 | { | |
2391 | int dummy; | |
2392 | ||
2393 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2394 | (Window *) &dummy, (Window *) &dummy, | |
2395 | &dummy, &dummy, &dummy, &dummy, | |
2396 | (unsigned int *) &dummy); | |
2397 | } | |
2398 | } | |
2399 | ||
12ba150f | 2400 | /* Return information to the user about the current position of the mouse |
ab648270 | 2401 | on the scroll bar. */ |
12ba150f | 2402 | static void |
ab648270 | 2403 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2404 | FRAME_PTR *f; |
2405 | Lisp_Object *bar_window; | |
ab648270 | 2406 | enum scroll_bar_part *part; |
12ba150f JB |
2407 | Lisp_Object *x, *y; |
2408 | unsigned long *time; | |
2409 | { | |
ab648270 | 2410 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 2411 | int win_x, win_y; |
559cb2fb JB |
2412 | Window dummy_window; |
2413 | int dummy_coord; | |
2414 | unsigned int dummy_mask; | |
12ba150f | 2415 | |
cf7cb199 JB |
2416 | BLOCK_INPUT; |
2417 | ||
ab648270 | 2418 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 2419 | report that. */ |
559cb2fb JB |
2420 | if (! XQueryPointer (x_current_display, |
2421 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 2422 | |
559cb2fb JB |
2423 | /* Root, child, root x and root y. */ |
2424 | &dummy_window, &dummy_window, | |
2425 | &dummy_coord, &dummy_coord, | |
12ba150f | 2426 | |
559cb2fb JB |
2427 | /* Position relative to scroll bar. */ |
2428 | &win_x, &win_y, | |
12ba150f | 2429 | |
559cb2fb JB |
2430 | /* Mouse buttons and modifier keys. */ |
2431 | &dummy_mask)) | |
2432 | *f = 0; | |
2433 | else | |
2434 | { | |
2435 | int inside_height | |
2436 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2437 | int top_range | |
2438 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2439 | ||
2440 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
2441 | ||
2442 | if (! NILP (bar->dragging)) | |
2443 | win_y -= XINT (bar->dragging); | |
2444 | ||
2445 | if (win_y < 0) | |
2446 | win_y = 0; | |
2447 | if (win_y > top_range) | |
2448 | win_y = top_range; | |
2449 | ||
2450 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2451 | *bar_window = bar->window; | |
2452 | ||
2453 | if (! NILP (bar->dragging)) | |
2454 | *part = scroll_bar_handle; | |
2455 | else if (win_y < XINT (bar->start)) | |
2456 | *part = scroll_bar_above_handle; | |
2457 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2458 | *part = scroll_bar_handle; | |
2459 | else | |
2460 | *part = scroll_bar_below_handle; | |
12ba150f | 2461 | |
559cb2fb JB |
2462 | XSET (*x, Lisp_Int, win_y); |
2463 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 2464 | |
559cb2fb JB |
2465 | mouse_moved = 0; |
2466 | last_mouse_scroll_bar = Qnil; | |
2467 | } | |
12ba150f | 2468 | |
559cb2fb | 2469 | *time = last_mouse_movement_time; |
cf7cb199 | 2470 | |
cf7cb199 | 2471 | UNBLOCK_INPUT; |
12ba150f JB |
2472 | } |
2473 | ||
f451eb13 | 2474 | |
dbc4e1c1 | 2475 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2476 | background colors, and the scroll bars may need to be redrawn. |
2477 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2478 | redraw them. */ |
2479 | ||
ab648270 | 2480 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2481 | FRAME_PTR f; |
2482 | { | |
2483 | Lisp_Object bar; | |
2484 | ||
ab648270 | 2485 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2486 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2487 | bar = XSCROLL_BAR (bar)->next) |
2488 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2489 | 0, 0, 0, 0, True); |
2490 | } | |
2491 | ||
2492 | ||
f451eb13 JB |
2493 | \f |
2494 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2495 | |
dc6f92b8 JB |
2496 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2497 | but we have to put it out here, since static variables within functions | |
2498 | sometimes don't work. */ | |
2499 | static Time enter_timestamp; | |
2500 | ||
11edeb03 JB |
2501 | /* This holds the state XLookupString needs to implement dead keys |
2502 | and other tricks known as "compose processing". _X Window System_ | |
2503 | says that a portable program can't use this, but Stephen Gildea assures | |
2504 | me that letting the compiler initialize it to zeros will work okay. | |
2505 | ||
2506 | This must be defined outside of XTread_socket, for the same reasons | |
2507 | given for enter_timestamp, above. */ | |
2508 | static XComposeStatus compose_status; | |
2509 | ||
c047688c JA |
2510 | /* Communication with window managers. */ |
2511 | Atom Xatom_wm_protocols; | |
2512 | ||
2513 | /* Kinds of protocol things we may receive. */ | |
2514 | Atom Xatom_wm_take_focus; | |
2515 | Atom Xatom_wm_save_yourself; | |
2516 | Atom Xatom_wm_delete_window; | |
2517 | ||
2518 | /* Other WM communication */ | |
2519 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2520 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2521 | ||
d56a553a RS |
2522 | /* Window manager communication. */ |
2523 | Atom Xatom_wm_change_state; | |
2524 | ||
10e6549c RS |
2525 | /* Record the last 100 characters stored |
2526 | to help debug the loss-of-chars-during-GC problem. */ | |
2527 | int temp_index; | |
2528 | short temp_buffer[100]; | |
2529 | ||
dc6f92b8 JB |
2530 | /* Read events coming from the X server. |
2531 | This routine is called by the SIGIO handler. | |
2532 | We return as soon as there are no more events to be read. | |
2533 | ||
2534 | Events representing keys are stored in buffer BUFP, | |
2535 | which can hold up to NUMCHARS characters. | |
2536 | We return the number of characters stored into the buffer, | |
2537 | thus pretending to be `read'. | |
2538 | ||
2539 | WAITP is nonzero if we should block until input arrives. | |
2540 | EXPECTED is nonzero if the caller knows input is available. */ | |
2541 | ||
7c5283e4 | 2542 | int |
dc6f92b8 JB |
2543 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2544 | register int sd; | |
2545 | register struct input_event *bufp; | |
2546 | register int numchars; | |
2547 | int waitp; | |
2548 | int expected; | |
2549 | { | |
2550 | int count = 0; | |
2551 | int nbytes = 0; | |
2552 | int mask; | |
2553 | int items_pending; /* How many items are in the X queue. */ | |
2554 | XEvent event; | |
f676886a | 2555 | struct frame *f; |
dc6f92b8 JB |
2556 | int event_found; |
2557 | int prefix; | |
2558 | Lisp_Object part; | |
2559 | ||
9ac0d9e0 | 2560 | if (interrupt_input_blocked) |
dc6f92b8 | 2561 | { |
9ac0d9e0 | 2562 | interrupt_input_pending = 1; |
dc6f92b8 JB |
2563 | return -1; |
2564 | } | |
2565 | ||
9ac0d9e0 | 2566 | interrupt_input_pending = 0; |
dc6f92b8 JB |
2567 | BLOCK_INPUT; |
2568 | ||
2569 | if (numchars <= 0) | |
2570 | abort (); /* Don't think this happens. */ | |
2571 | ||
2572 | #ifdef FIOSNBIO | |
2573 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2574 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2575 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2576 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2577 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2578 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2579 | |
2580 | #ifndef SIGIO | |
2581 | #ifndef HAVE_SELECT | |
2582 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2583 | { | |
2584 | extern int read_alarm_should_throw; | |
2585 | read_alarm_should_throw = 1; | |
2586 | XPeekEvent (XDISPLAY &event); | |
2587 | read_alarm_should_throw = 0; | |
2588 | } | |
c118dd06 JB |
2589 | #endif /* HAVE_SELECT */ |
2590 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2591 | |
2592 | while (XStuffPending () != 0) | |
2593 | { | |
2594 | XNextEvent (XDISPLAY &event); | |
2595 | event_found = 1; | |
2596 | ||
2597 | switch (event.type) | |
2598 | { | |
2599 | #ifdef HAVE_X11 | |
c047688c JA |
2600 | case ClientMessage: |
2601 | { | |
2602 | if (event.xclient.message_type == Xatom_wm_protocols | |
2603 | && event.xclient.format == 32) | |
2604 | { | |
2605 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2606 | { | |
f676886a JB |
2607 | f = x_window_to_frame (event.xclient.window); |
2608 | if (f) | |
2609 | x_focus_on_frame (f); | |
ab648270 | 2610 | /* Not certain about handling scroll bars here */ |
c047688c JA |
2611 | } |
2612 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2613 | { | |
2614 | /* Save state modify the WM_COMMAND property to | |
2615 | something which can reinstate us. This notifies | |
2616 | the session manager, who's looking for such a | |
2617 | PropertyNotify. Can restart processing when | |
2618 | a keyboard or mouse event arrives. */ | |
2619 | if (numchars > 0) | |
2620 | { | |
2621 | } | |
2622 | } | |
2623 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2624 | { | |
f676886a | 2625 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2626 | |
f676886a | 2627 | if (f) |
c047688c JA |
2628 | if (numchars > 0) |
2629 | { | |
2630 | } | |
2631 | } | |
2632 | } | |
2633 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2634 | { | |
2635 | } | |
2636 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2637 | { | |
2638 | int new_x, new_y; | |
2639 | ||
4357eba7 JB |
2640 | new_x = event.xclient.data.s[0]; |
2641 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2642 | } |
2643 | } | |
2644 | break; | |
dc6f92b8 | 2645 | |
d56a553a RS |
2646 | #ifdef NEW_SELECTIONS |
2647 | case SelectionNotify: | |
2648 | x_handle_selection_notify (&event); | |
2649 | break; | |
2650 | #endif | |
2651 | ||
dc6f92b8 | 2652 | case SelectionClear: /* Someone has grabbed ownership. */ |
d56a553a RS |
2653 | #ifdef NEW_SELECTIONS |
2654 | { | |
2655 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
2656 | ||
2657 | if (numchars == 0) | |
2658 | abort (); | |
2659 | ||
2660 | bufp->kind = selection_clear_event; | |
2661 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2662 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2663 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2664 | bufp++; | |
2665 | ||
2666 | count += 1; | |
2667 | numchars -= 1; | |
2668 | } | |
2669 | #else | |
dc6f92b8 JB |
2670 | x_disown_selection (event.xselectionclear.window, |
2671 | event.xselectionclear.selection, | |
2672 | event.xselectionclear.time); | |
d56a553a | 2673 | #endif |
dc6f92b8 JB |
2674 | break; |
2675 | ||
2676 | case SelectionRequest: /* Someone wants our selection. */ | |
d56a553a RS |
2677 | #ifdef NEW_SELECTIONS |
2678 | { | |
2679 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
2680 | ||
2681 | if (numchars == 0) | |
2682 | abort (); | |
2683 | ||
2684 | bufp->kind = selection_request_event; | |
2685 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2686 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
2687 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2688 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
2689 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
2690 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2691 | bufp++; | |
2692 | ||
2693 | count += 1; | |
2694 | numchars -= 1; | |
2695 | } | |
2696 | #else | |
dc6f92b8 | 2697 | x_answer_selection_request (event); |
d56a553a | 2698 | #endif |
dc6f92b8 JB |
2699 | break; |
2700 | ||
2701 | case PropertyNotify: | |
d56a553a RS |
2702 | #ifdef NEW_SELECTIONS |
2703 | x_handle_property_notify (&event); | |
2704 | #else | |
28430d3c JB |
2705 | /* If we're being told about a root window property, then it's |
2706 | a cut buffer change. */ | |
2707 | if (event.xproperty.window == ROOT_WINDOW) | |
2708 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2709 | ||
2710 | /* Otherwise, we're probably handling an incremental | |
2711 | selection transmission. */ | |
2712 | else | |
2713 | { | |
2714 | /* If we were to do this synchronously, there'd be no worry | |
2715 | about re-selecting. */ | |
2716 | x_send_incremental (event); | |
2717 | } | |
d56a553a | 2718 | #endif |
dc6f92b8 JB |
2719 | break; |
2720 | ||
3bd330d4 RS |
2721 | case ReparentNotify: |
2722 | f = x_window_to_frame (event.xreparent.window); | |
2723 | if (f) | |
2724 | f->display.x->parent_desc = event.xreparent.parent; | |
2725 | break; | |
2726 | ||
dc6f92b8 | 2727 | case Expose: |
f676886a JB |
2728 | f = x_window_to_frame (event.xexpose.window); |
2729 | if (f) | |
dc6f92b8 | 2730 | { |
3a88c238 | 2731 | if (f->async_visible == 0) |
dc6f92b8 | 2732 | { |
3a88c238 JB |
2733 | f->async_visible = 1; |
2734 | f->async_iconified = 0; | |
f676886a | 2735 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2736 | } |
2737 | else | |
f451eb13 JB |
2738 | { |
2739 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2740 | event.xexpose.x, event.xexpose.y, | |
2741 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2742 | } |
2743 | } | |
2744 | else | |
2745 | { | |
ab648270 JB |
2746 | struct scroll_bar *bar |
2747 | = x_window_to_scroll_bar (event.xexpose.window); | |
f451eb13 JB |
2748 | |
2749 | if (bar) | |
ab648270 | 2750 | x_scroll_bar_expose (bar, &event); |
dc6f92b8 JB |
2751 | } |
2752 | break; | |
2753 | ||
2754 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2755 | source area was obscured or not | |
2756 | available.*/ | |
f451eb13 JB |
2757 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2758 | if (f) | |
2759 | { | |
2760 | dumprectangle (f, | |
2761 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2762 | event.xgraphicsexpose.width, | |
2763 | event.xgraphicsexpose.height); | |
f451eb13 | 2764 | } |
dc6f92b8 JB |
2765 | break; |
2766 | ||
2767 | case NoExpose: /* This occurs when an XCopyArea's | |
2768 | source area was completely | |
2769 | available */ | |
2770 | break; | |
c118dd06 | 2771 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2772 | case ExposeWindow: |
2773 | if (event.subwindow != 0) | |
2774 | break; /* duplicate event */ | |
f676886a JB |
2775 | f = x_window_to_frame (event.window); |
2776 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2777 | { |
f676886a | 2778 | refreshicon (f); |
3a88c238 | 2779 | f->async_iconified = 1; |
dc6f92b8 | 2780 | } |
c118dd06 | 2781 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2782 | { |
2783 | /* Say must check all windows' needs_exposure flags. */ | |
2784 | expose_all_windows = 1; | |
f676886a | 2785 | f->display.x->needs_exposure = 1; |
3a88c238 | 2786 | f->async_visible = 1; |
dc6f92b8 JB |
2787 | } |
2788 | break; | |
2789 | ||
2790 | case ExposeRegion: | |
2791 | if (event.subwindow != 0) | |
2792 | break; /* duplicate event */ | |
f676886a JB |
2793 | f = x_window_to_frame (event.window); |
2794 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2795 | { |
f676886a | 2796 | refreshicon (f); |
dc6f92b8 JB |
2797 | break; |
2798 | } | |
2799 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2800 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2801 | break; |
2802 | /* Put the event on the queue of rectangles to redraw. */ | |
2803 | if (enqueue_event (&event, &x_expose_queue)) | |
2804 | /* If it is full, we can't record the rectangle, | |
2805 | so redraw this entire window. */ | |
2806 | { | |
2807 | /* Say must check all windows' needs_exposure flags. */ | |
2808 | expose_all_windows = 1; | |
f676886a | 2809 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2810 | } |
2811 | break; | |
2812 | ||
2813 | case ExposeCopy: | |
2814 | /* This should happen only when we are expecting it, | |
2815 | in x_read_exposes. */ | |
2816 | abort (); | |
c118dd06 | 2817 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2818 | |
2819 | #ifdef HAVE_X11 | |
2820 | case UnmapNotify: | |
f451eb13 JB |
2821 | f = x_window_to_frame (event.xunmap.window); |
2822 | if (f) /* F may no longer exist if | |
f676886a | 2823 | the frame was deleted. */ |
f451eb13 JB |
2824 | { |
2825 | /* While a frame is unmapped, display generation is | |
2826 | disabled; you don't want to spend time updating a | |
2827 | display that won't ever be seen. */ | |
2828 | f->async_visible = 0; | |
9319ae23 RS |
2829 | /* The window manager never makes a window invisible |
2830 | ("withdrawn"); all it does is switch between visible | |
2831 | and iconified. Frames get into the invisible state | |
2832 | only through x_make_frame_invisible. | |
2833 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) | |
2834 | f->async_iconified = 1; | |
f451eb13 | 2835 | } |
dc6f92b8 JB |
2836 | break; |
2837 | ||
2838 | case MapNotify: | |
f676886a JB |
2839 | f = x_window_to_frame (event.xmap.window); |
2840 | if (f) | |
dc6f92b8 | 2841 | { |
3a88c238 JB |
2842 | f->async_visible = 1; |
2843 | f->async_iconified = 0; | |
dc6f92b8 JB |
2844 | |
2845 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2846 | the frame's display structures. */ |
2847 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2848 | } |
2849 | break; | |
2850 | ||
2851 | /* Turn off processing if we become fully obscured. */ | |
2852 | case VisibilityNotify: | |
2853 | break; | |
2854 | ||
c118dd06 | 2855 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2856 | case UnmapWindow: |
f676886a JB |
2857 | f = x_window_to_frame (event.window); |
2858 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2859 | f->async_iconified = 0; |
c118dd06 | 2860 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2861 | f->async_visible = 0; |
dc6f92b8 | 2862 | break; |
c118dd06 | 2863 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2864 | |
2865 | #ifdef HAVE_X11 | |
2866 | case KeyPress: | |
f676886a | 2867 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2868 | |
f676886a | 2869 | if (f != 0) |
dc6f92b8 | 2870 | { |
2d368234 | 2871 | KeySym keysym, orig_keysym; |
dc6f92b8 | 2872 | char copy_buffer[80]; |
64bb1782 RS |
2873 | int modifiers; |
2874 | ||
dfeccd2d JB |
2875 | event.xkey.state |
2876 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 2877 | modifiers = event.xkey.state; |
3a2712f9 | 2878 | |
11edeb03 | 2879 | /* This will have to go some day... */ |
752a043f JB |
2880 | |
2881 | /* make_lispy_event turns chars into control chars. | |
2882 | Don't do it here because XLookupString is too eager. */ | |
2883 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
2884 | nbytes = |
2885 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2886 | &compose_status); | |
dc6f92b8 | 2887 | |
55123275 JB |
2888 | /* Strip off the vendor-specific keysym bit, and take a shot |
2889 | at recognizing the codes. HP servers have extra keysyms | |
2890 | that fit into the MiscFunctionKey category. */ | |
2d368234 | 2891 | orig_keysym = keysym; |
55123275 JB |
2892 | keysym &= ~(1<<28); |
2893 | ||
dc6f92b8 JB |
2894 | if (numchars > 1) |
2895 | { | |
a3c44b14 RS |
2896 | if ((keysym >= XK_BackSpace && keysym <= XK_Escape) |
2897 | || keysym == XK_Delete | |
2898 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
465791da | 2899 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ |
c34790e0 RS |
2900 | #ifdef HPUX |
2901 | /* This recognizes the "extended function keys". | |
2d368234 RS |
2902 | It seems there's no cleaner way. |
2903 | Test IsModifierKey to avoid handling mode_switch | |
2904 | incorrectly. */ | |
2905 | || (!IsModifierKey (orig_keysym) | |
2906 | && (unsigned) (keysym) >= XK_Select | |
c34790e0 RS |
2907 | && (unsigned)(keysym) < XK_KP_Space) |
2908 | #endif | |
55123275 | 2909 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
e4571a43 JB |
2910 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ |
2911 | || x_is_vendor_fkey (orig_keysym)) /* wherever */ | |
dc6f92b8 | 2912 | { |
10e6549c RS |
2913 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2914 | temp_index = 0; | |
2915 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 2916 | bufp->kind = non_ascii_keystroke; |
a3c44b14 | 2917 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff00); |
12ba150f | 2918 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 2919 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 2920 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2921 | bufp++; |
2922 | count++; | |
2923 | numchars--; | |
2924 | } | |
2925 | else if (numchars > nbytes) | |
2926 | { | |
2927 | register int i; | |
2928 | ||
10e6549c | 2929 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 2930 | { |
10e6549c RS |
2931 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2932 | temp_index = 0; | |
2933 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 2934 | bufp->kind = ascii_keystroke; |
10e6549c | 2935 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); |
12ba150f | 2936 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 2937 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 2938 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2939 | bufp++; |
2940 | } | |
dc6f92b8 JB |
2941 | |
2942 | count += nbytes; | |
2943 | numchars -= nbytes; | |
2944 | } | |
10e6549c RS |
2945 | else |
2946 | abort (); | |
dc6f92b8 | 2947 | } |
10e6549c RS |
2948 | else |
2949 | abort (); | |
dc6f92b8 JB |
2950 | } |
2951 | break; | |
c118dd06 | 2952 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2953 | case KeyPressed: |
2954 | { | |
2955 | register char *where_mapping; | |
2956 | ||
f676886a | 2957 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2958 | /* Ignore keys typed on icon windows. */ |
f676886a | 2959 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2960 | break; |
2961 | where_mapping = XLookupMapping (&event, &nbytes); | |
2962 | /* Nasty fix for arrow keys */ | |
2963 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2964 | { | |
2965 | switch (event.detail & 0xff) | |
2966 | { | |
2967 | case KC_CURSOR_LEFT: | |
2968 | where_mapping = "\002"; | |
2969 | break; | |
2970 | case KC_CURSOR_RIGHT: | |
2971 | where_mapping = "\006"; | |
2972 | break; | |
2973 | case KC_CURSOR_UP: | |
2974 | where_mapping = "\020"; | |
2975 | break; | |
2976 | case KC_CURSOR_DOWN: | |
2977 | where_mapping = "\016"; | |
2978 | break; | |
2979 | } | |
2980 | nbytes = 1; | |
2981 | } | |
2982 | if (numchars - nbytes > 0) | |
2983 | { | |
2984 | register int i; | |
2985 | ||
2986 | for (i = 0; i < nbytes; i++) | |
2987 | { | |
2988 | bufp->kind = ascii_keystroke; | |
2989 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2990 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 2991 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
2992 | bufp++; |
2993 | } | |
2994 | count += nbytes; | |
2995 | numchars -= nbytes; | |
2996 | } | |
2997 | } | |
2998 | break; | |
c118dd06 | 2999 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3000 | |
3001 | #ifdef HAVE_X11 | |
f451eb13 JB |
3002 | |
3003 | /* Here's a possible interpretation of the whole | |
3004 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3005 | FocusIn event, you have to get a FocusOut event before you | |
3006 | relinquish the focus. If you haven't received a FocusIn event, | |
3007 | then a mere LeaveNotify is enough to free you. */ | |
3008 | ||
dc6f92b8 | 3009 | case EnterNotify: |
f676886a | 3010 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 3011 | |
f451eb13 | 3012 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3013 | { |
dc6f92b8 | 3014 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
3015 | if (f && (!(f->auto_raise) |
3016 | || !(f->auto_lower) | |
dc6f92b8 JB |
3017 | || (event.xcrossing.time - enter_timestamp) > 500)) |
3018 | { | |
f676886a | 3019 | x_new_focus_frame (f); |
dc6f92b8 JB |
3020 | enter_timestamp = event.xcrossing.time; |
3021 | } | |
dc6f92b8 | 3022 | } |
f676886a JB |
3023 | else if (f == x_focus_frame) |
3024 | x_new_focus_frame (0); | |
dc6f92b8 JB |
3025 | |
3026 | break; | |
3027 | ||
3028 | case FocusIn: | |
f676886a | 3029 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3030 | if (event.xfocus.detail != NotifyPointer) |
3031 | x_focus_event_frame = f; | |
f676886a JB |
3032 | if (f) |
3033 | x_new_focus_frame (f); | |
dc6f92b8 JB |
3034 | break; |
3035 | ||
f451eb13 | 3036 | |
dc6f92b8 | 3037 | case LeaveNotify: |
f451eb13 | 3038 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 3039 | |
f451eb13 JB |
3040 | if (event.xcrossing.focus) |
3041 | { | |
3042 | if (! x_focus_event_frame) | |
3043 | x_new_focus_frame (0); | |
3044 | else | |
f676886a | 3045 | x_new_focus_frame (f); |
f451eb13 JB |
3046 | } |
3047 | else | |
3048 | { | |
3049 | if (f == x_focus_event_frame) | |
3050 | x_focus_event_frame = 0; | |
3051 | if (f == x_focus_frame) | |
f676886a | 3052 | x_new_focus_frame (0); |
dc6f92b8 JB |
3053 | } |
3054 | break; | |
3055 | ||
3056 | case FocusOut: | |
f676886a | 3057 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3058 | if (event.xfocus.detail != NotifyPointer |
3059 | && f == x_focus_event_frame) | |
3060 | x_focus_event_frame = 0; | |
f676886a JB |
3061 | if (f && f == x_focus_frame) |
3062 | x_new_focus_frame (0); | |
dc6f92b8 JB |
3063 | break; |
3064 | ||
c118dd06 | 3065 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3066 | |
3067 | case EnterWindow: | |
3068 | if ((event.detail & 0xFF) == 1) | |
3069 | break; /* Coming from our own subwindow */ | |
3070 | if (event.subwindow != 0) | |
3071 | break; /* Entering our own subwindow. */ | |
3072 | ||
3073 | { | |
f676886a JB |
3074 | f = x_window_to_frame (event.window); |
3075 | x_mouse_frame = f; | |
dc6f92b8 | 3076 | |
f676886a | 3077 | x_new_focus_frame (f); |
dc6f92b8 JB |
3078 | } |
3079 | break; | |
3080 | ||
3081 | case LeaveWindow: | |
3082 | if ((event.detail & 0xFF) == 1) | |
3083 | break; /* Entering our own subwindow */ | |
3084 | if (event.subwindow != 0) | |
3085 | break; /* Leaving our own subwindow. */ | |
3086 | ||
f676886a JB |
3087 | x_mouse_frame = 0; |
3088 | if (x_focus_frame == 0 | |
3089 | && x_input_frame != 0 | |
3090 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 3091 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 3092 | { |
f676886a JB |
3093 | f = x_input_frame; |
3094 | x_input_frame = 0; | |
3095 | if (f) | |
3096 | frame_unhighlight (f); | |
dc6f92b8 JB |
3097 | } |
3098 | break; | |
c118dd06 | 3099 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3100 | |
3101 | #ifdef HAVE_X11 | |
3102 | case MotionNotify: | |
3103 | { | |
f676886a JB |
3104 | f = x_window_to_frame (event.xmotion.window); |
3105 | if (f) | |
12ba150f | 3106 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 3107 | else |
dc6f92b8 | 3108 | { |
ab648270 JB |
3109 | struct scroll_bar *bar = |
3110 | x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3111 | |
3112 | if (bar) | |
ab648270 | 3113 | x_scroll_bar_note_movement (bar, &event); |
dc6f92b8 | 3114 | } |
dc6f92b8 JB |
3115 | } |
3116 | break; | |
3117 | ||
3118 | case ConfigureNotify: | |
dbc4e1c1 JB |
3119 | f = x_window_to_frame (event.xconfigure.window); |
3120 | if (f) | |
3121 | { | |
3122 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3123 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3124 | ||
3125 | /* Even if the number of character rows and columns has | |
3126 | not changed, the font size may have changed, so we need | |
3127 | to check the pixel dimensions as well. */ | |
3128 | if (columns != f->width | |
3129 | || rows != f->height | |
3130 | || event.xconfigure.width != f->display.x->pixel_width | |
3131 | || event.xconfigure.height != f->display.x->pixel_height) | |
3132 | { | |
3133 | change_frame_size (f, rows, columns, 0, 1); | |
3134 | SET_FRAME_GARBAGED (f); | |
3135 | } | |
dc6f92b8 | 3136 | |
3bd330d4 | 3137 | if (! event.xconfigure.send_event) |
af395ec1 RS |
3138 | { |
3139 | Window win, child; | |
3140 | int win_x, win_y; | |
3141 | ||
3bd330d4 RS |
3142 | /* Coords are relative to the parent. |
3143 | Convert them to root-relative. */ | |
af395ec1 RS |
3144 | XTranslateCoordinates (x_current_display, |
3145 | ||
3146 | /* From-window, to-window. */ | |
3bd330d4 RS |
3147 | f->display.x->parent_desc, |
3148 | ROOT_WINDOW, | |
af395ec1 RS |
3149 | |
3150 | /* From-position, to-position. */ | |
3151 | event.xconfigure.x, | |
3152 | event.xconfigure.y, | |
3153 | &win_x, &win_y, | |
3154 | ||
3155 | /* Child of win. */ | |
3156 | &child); | |
3157 | event.xconfigure.x = win_x; | |
3158 | event.xconfigure.y = win_y; | |
3159 | } | |
3160 | ||
dbc4e1c1 JB |
3161 | f->display.x->pixel_width = event.xconfigure.width; |
3162 | f->display.x->pixel_height = event.xconfigure.height; | |
3163 | f->display.x->left_pos = event.xconfigure.x; | |
3164 | f->display.x->top_pos = event.xconfigure.y; | |
3165 | } | |
3166 | break; | |
dc6f92b8 JB |
3167 | |
3168 | case ButtonPress: | |
3169 | case ButtonRelease: | |
3170 | { | |
3171 | /* If we decide we want to generate an event to be seen | |
3172 | by the rest of Emacs, we put it here. */ | |
3173 | struct input_event emacs_event; | |
3174 | emacs_event.kind = no_event; | |
3175 | ||
f676886a JB |
3176 | f = x_window_to_frame (event.xbutton.window); |
3177 | if (f) | |
f451eb13 JB |
3178 | { |
3179 | if (!x_focus_frame || (f == x_focus_frame)) | |
3180 | construct_mouse_click (&emacs_event, | |
b10fd412 | 3181 | &event, f); |
f451eb13 | 3182 | } |
dc6f92b8 | 3183 | else |
f451eb13 | 3184 | { |
ab648270 JB |
3185 | struct scroll_bar *bar = |
3186 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3187 | |
3188 | if (bar) | |
ab648270 | 3189 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
f451eb13 | 3190 | } |
dc6f92b8 JB |
3191 | |
3192 | if (numchars >= 1 && emacs_event.kind != no_event) | |
3193 | { | |
3194 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3195 | bufp++; | |
3196 | count++; | |
3197 | numchars--; | |
3198 | } | |
3199 | } | |
3200 | break; | |
3201 | ||
c118dd06 | 3202 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3203 | case ButtonPressed: |
3204 | case ButtonReleased: | |
f676886a JB |
3205 | f = x_window_to_frame (event.window); |
3206 | if (f) | |
dc6f92b8 | 3207 | { |
f676886a | 3208 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 3209 | { |
f676886a | 3210 | x_make_frame_visible (f); |
dc6f92b8 JB |
3211 | |
3212 | if (warp_mouse_on_deiconify) | |
c118dd06 | 3213 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
3214 | break; |
3215 | } | |
c118dd06 | 3216 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 3217 | { |
f676886a JB |
3218 | if (f->auto_raise) |
3219 | x_raise_frame (f); | |
dc6f92b8 JB |
3220 | } |
3221 | } | |
3222 | enqueue_event (&event, &x_mouse_queue); | |
3223 | if (numchars >= 2) | |
3224 | { | |
3225 | bufp->kind = ascii_keystroke; | |
3226 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 3227 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3228 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3229 | bufp++; |
3230 | ||
3231 | bufp->kind = ascii_keystroke; | |
3232 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 3233 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3234 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3235 | bufp++; |
3236 | ||
3237 | count += 2; | |
3238 | numchars -= 2; | |
3239 | } | |
3240 | break; | |
c118dd06 | 3241 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3242 | |
3243 | #ifdef HAVE_X11 | |
3244 | ||
3245 | case CirculateNotify: | |
3246 | break; | |
3247 | case CirculateRequest: | |
3248 | break; | |
3249 | ||
c118dd06 | 3250 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3251 | |
3252 | case MappingNotify: | |
11edeb03 JB |
3253 | /* Someone has changed the keyboard mapping - update the |
3254 | local cache. */ | |
3255 | switch (event.xmapping.request) | |
3256 | { | |
3257 | case MappingModifier: | |
3258 | x_find_modifier_meanings (); | |
3259 | /* This is meant to fall through. */ | |
3260 | case MappingKeyboard: | |
3261 | XRefreshKeyboardMapping (&event.xmapping); | |
3262 | } | |
dc6f92b8 JB |
3263 | break; |
3264 | ||
3265 | default: | |
3266 | break; | |
3267 | } | |
3268 | } | |
3269 | ||
3270 | #if 0 | |
3271 | #ifdef HAVE_SELECT | |
3272 | if (expected && ! event_found) | |
3273 | { | |
3274 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3275 | there is an EOF condition; in other words, that X has died. | |
3276 | Act as if there had been a hangup. */ | |
3277 | ||
3278 | int fd = ConnectionNumber (x_current_display); | |
3279 | int mask = 1 << fd; | |
3280 | ||
3281 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 3282 | (EMACS_TIME) 0) |
dc6f92b8 JB |
3283 | && !XStuffPending ()) |
3284 | kill (getpid (), SIGHUP); | |
3285 | } | |
c118dd06 JB |
3286 | #endif /* ! defined (HAVE_SELECT) */ |
3287 | #endif /* ! 0 */ | |
dc6f92b8 | 3288 | |
f451eb13 | 3289 | #ifndef HAVE_X11 |
f676886a | 3290 | if (updating_frame == 0) |
dc6f92b8 | 3291 | x_do_pending_expose (); |
f451eb13 | 3292 | #endif |
dc6f92b8 JB |
3293 | |
3294 | UNBLOCK_INPUT; | |
3295 | return count; | |
3296 | } | |
3297 | ||
3298 | #ifndef HAVE_X11 | |
3299 | /* Read and process only Expose events | |
3300 | until we get an ExposeCopy event; then return. | |
3301 | This is used in insert/delete line. | |
3302 | We assume input is already blocked. */ | |
3303 | ||
3304 | static void | |
3305 | x_read_exposes () | |
3306 | { | |
f676886a | 3307 | struct frame *f; |
dc6f92b8 JB |
3308 | XKeyPressedEvent event; |
3309 | ||
3310 | while (1) | |
3311 | { | |
3312 | /* while there are more events*/ | |
3313 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3314 | switch (event.type) | |
3315 | { | |
3316 | case ExposeWindow: | |
3317 | if (event.subwindow != 0) | |
3318 | break; /* duplicate event */ | |
f676886a JB |
3319 | f = x_window_to_frame (event.window); |
3320 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3321 | { |
f676886a | 3322 | refreshicon (f); |
dc6f92b8 JB |
3323 | break; |
3324 | } | |
c118dd06 | 3325 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3326 | { |
3327 | expose_all_windows = 1; | |
f676886a | 3328 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3329 | break; |
3330 | } | |
3331 | break; | |
3332 | ||
3333 | case ExposeRegion: | |
3334 | if (event.subwindow != 0) | |
3335 | break; /* duplicate event */ | |
f676886a JB |
3336 | f = x_window_to_frame (event.window); |
3337 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3338 | { |
f676886a | 3339 | refreshicon (f); |
dc6f92b8 JB |
3340 | break; |
3341 | } | |
3342 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3343 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3344 | break; |
3345 | /* Put the event on the queue of rectangles to redraw. */ | |
3346 | if (enqueue_event (&event, &x_expose_queue)) | |
3347 | /* If it is full, we can't record the rectangle, | |
3348 | so redraw this entire window. */ | |
3349 | { | |
3350 | /* Say must check all windows' needs_exposure flags. */ | |
3351 | expose_all_windows = 1; | |
f676886a | 3352 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3353 | } |
3354 | break; | |
3355 | ||
3356 | case ExposeCopy: | |
3357 | return; | |
3358 | } | |
3359 | } | |
3360 | } | |
3361 | #endif /* HAVE_X11 */ | |
3362 | ||
dc6f92b8 | 3363 | \f |
f451eb13 JB |
3364 | /* Drawing the cursor. */ |
3365 | ||
3366 | ||
dc6f92b8 JB |
3367 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3368 | ||
3369 | static void | |
f676886a JB |
3370 | x_draw_box (f) |
3371 | struct frame *f; | |
dc6f92b8 | 3372 | { |
12ba150f JB |
3373 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3374 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3375 | int width = FONT_WIDTH (f->display.x->font); |
3376 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3377 | |
3378 | #ifdef HAVE_X11 | |
c118dd06 | 3379 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3380 | f->display.x->cursor_gc, |
dc6f92b8 | 3381 | left, top, width - 1, height - 1); |
c118dd06 JB |
3382 | #else /* ! defined (HAVE_X11) */ |
3383 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3384 | left, top, width, 1, |
f676886a | 3385 | f->display.x->cursor_pixel); |
dc6f92b8 | 3386 | |
c118dd06 | 3387 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3388 | left, top, 1, height, |
f676886a | 3389 | f->display.x->cursor_pixel); |
dc6f92b8 | 3390 | |
c118dd06 | 3391 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3392 | left+width-1, top, 1, height, |
f676886a | 3393 | f->display.x->cursor_pixel); |
dc6f92b8 | 3394 | |
c118dd06 | 3395 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3396 | left, top+height-1, width, 1, |
f676886a | 3397 | f->display.x->cursor_pixel); |
c118dd06 | 3398 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3399 | } |
3400 | ||
f676886a | 3401 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3402 | and mark the cursor as not shown. |
3403 | This is used when the text where the cursor is | |
3404 | is about to be rewritten. */ | |
3405 | ||
3406 | static void | |
f676886a JB |
3407 | clear_cursor (f) |
3408 | struct frame *f; | |
dc6f92b8 JB |
3409 | { |
3410 | int mask; | |
3411 | ||
f451eb13 | 3412 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3413 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3414 | return; |
3415 | ||
3416 | #ifdef HAVE_X11 | |
f676886a | 3417 | x_display_cursor (f, 0); |
c118dd06 JB |
3418 | #else /* ! defined (HAVE_X11) */ |
3419 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3420 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3421 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3422 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3423 | f->display.x->background_pixel); | |
c118dd06 | 3424 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3425 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3426 | } |
3427 | ||
f676886a | 3428 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3429 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3430 | glyph drawn. */ | |
dc6f92b8 JB |
3431 | |
3432 | static void | |
f676886a JB |
3433 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3434 | struct frame *f; | |
dc6f92b8 | 3435 | int row, column; |
90e65f07 | 3436 | GLYPH glyph; |
dc6f92b8 JB |
3437 | int highlight; |
3438 | { | |
f676886a | 3439 | dumpglyphs (f, |
12ba150f JB |
3440 | CHAR_TO_PIXEL_COL (f, column), |
3441 | CHAR_TO_PIXEL_ROW (f, row), | |
07e34cb0 | 3442 | &glyph, 1, highlight); |
dc6f92b8 JB |
3443 | } |
3444 | ||
dc6f92b8 | 3445 | static void |
dbc4e1c1 | 3446 | x_display_bar_cursor (f, on) |
f676886a | 3447 | struct frame *f; |
dc6f92b8 JB |
3448 | int on; |
3449 | { | |
f676886a | 3450 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3451 | |
49d838ea JB |
3452 | /* This is pointless on invisible frames, and dangerous on garbaged |
3453 | frames; in the latter case, the frame may be in the midst of | |
3454 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3455 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
3456 | return; |
3457 | ||
3458 | if (! on && f->phys_cursor_x < 0) | |
3459 | return; | |
3460 | ||
f676886a | 3461 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3462 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3463 | if (f != updating_frame) |
1113d9db | 3464 | { |
f676886a JB |
3465 | curs_x = FRAME_CURSOR_X (f); |
3466 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3467 | } |
3468 | ||
dbc4e1c1 JB |
3469 | /* If there is anything wrong with the current cursor state, remove it. */ |
3470 | if (f->phys_cursor_x >= 0 | |
3471 | && (!on | |
3472 | || f->phys_cursor_x != curs_x | |
3473 | || f->phys_cursor_y != curs_y | |
3474 | || f->display.x->current_cursor != bar_cursor)) | |
3475 | { | |
3476 | /* Erase the cursor by redrawing the character underneath it. */ | |
3477 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3478 | f->phys_cursor_glyph, | |
3479 | current_glyphs->highlight[f->phys_cursor_y]); | |
3480 | f->phys_cursor_x = -1; | |
3481 | } | |
3482 | ||
3483 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3484 | if (on | |
3485 | && (f->phys_cursor_x < 0 | |
3486 | || (f->display.x->current_cursor != bar_cursor))) | |
3487 | { | |
3488 | f->phys_cursor_glyph | |
3489 | = ((current_glyphs->enable[curs_y] | |
3490 | && curs_x < current_glyphs->used[curs_y]) | |
3491 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3492 | : SPACEGLYPH); | |
3493 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3494 | f->display.x->cursor_gc, | |
3495 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3496 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3497 | 1, FONT_HEIGHT (f->display.x->font)); | |
3498 | ||
3499 | f->phys_cursor_x = curs_x; | |
3500 | f->phys_cursor_y = curs_y; | |
3501 | ||
3502 | f->display.x->current_cursor = bar_cursor; | |
3503 | } | |
3504 | ||
3505 | if (updating_frame != f) | |
3506 | XFlushQueue (); | |
3507 | } | |
3508 | ||
3509 | ||
3510 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3511 | If ON is nonzero, where to put the cursor is specified | |
3512 | by F->cursor_x and F->cursor_y. */ | |
3513 | ||
3514 | static void | |
3515 | x_display_box_cursor (f, on) | |
3516 | struct frame *f; | |
3517 | int on; | |
3518 | { | |
3519 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3520 | ||
49d838ea JB |
3521 | /* This is pointless on invisible frames, and dangerous on garbaged |
3522 | frames; in the latter case, the frame may be in the midst of | |
3523 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3524 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
3525 | return; |
3526 | ||
3527 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3528 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3529 | return; |
3530 | ||
dbc4e1c1 JB |
3531 | /* If we're not updating, then we want to use the current frame's |
3532 | cursor position, not our local idea of where the cursor ought to be. */ | |
3533 | if (f != updating_frame) | |
3534 | { | |
3535 | curs_x = FRAME_CURSOR_X (f); | |
3536 | curs_y = FRAME_CURSOR_Y (f); | |
3537 | } | |
3538 | ||
dc6f92b8 JB |
3539 | /* If cursor is currently being shown and we don't want it to be |
3540 | or it is in the wrong place, | |
3541 | or we want a hollow box and it's not so, (pout!) | |
3542 | erase it. */ | |
f676886a | 3543 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3544 | && (!on |
f676886a JB |
3545 | || f->phys_cursor_x != curs_x |
3546 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3547 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3548 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3549 | { |
3550 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3551 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3552 | f->phys_cursor_glyph, | |
3553 | current_glyphs->highlight[f->phys_cursor_y]); | |
3554 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3555 | } |
3556 | ||
3557 | /* If we want to show a cursor, | |
3558 | or we want a box cursor and it's not so, | |
3559 | write it in the right place. */ | |
3560 | if (on | |
f676886a | 3561 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3562 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3563 | && f == x_highlight_frame))) |
dc6f92b8 | 3564 | { |
f676886a | 3565 | f->phys_cursor_glyph |
1113d9db JB |
3566 | = ((current_glyphs->enable[curs_y] |
3567 | && curs_x < current_glyphs->used[curs_y]) | |
3568 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3569 | : SPACEGLYPH); |
f676886a | 3570 | if (f != x_highlight_frame) |
dc6f92b8 | 3571 | { |
f676886a | 3572 | x_draw_box (f); |
dbc4e1c1 | 3573 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3574 | } |
3575 | else | |
3576 | { | |
f676886a JB |
3577 | x_draw_single_glyph (f, curs_y, curs_x, |
3578 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3579 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3580 | } |
3581 | ||
f676886a JB |
3582 | f->phys_cursor_x = curs_x; |
3583 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3584 | } |
3585 | ||
f676886a | 3586 | if (updating_frame != f) |
dc6f92b8 JB |
3587 | XFlushQueue (); |
3588 | } | |
3589 | ||
f676886a JB |
3590 | x_display_cursor (f, on) |
3591 | struct frame *f; | |
dc6f92b8 JB |
3592 | int on; |
3593 | { | |
dbc4e1c1 | 3594 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3595 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3596 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3597 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3598 | else |
3599 | /* Those are the only two we have implemented! */ | |
3600 | abort (); | |
dc6f92b8 JB |
3601 | } |
3602 | \f | |
3603 | /* Icons. */ | |
3604 | ||
f676886a | 3605 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3606 | when we get an expose event for it. */ |
3607 | ||
f676886a JB |
3608 | refreshicon (f) |
3609 | struct frame *f; | |
dc6f92b8 JB |
3610 | { |
3611 | #ifdef HAVE_X11 | |
3612 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3613 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3614 | int mask; |
3615 | ||
f676886a JB |
3616 | if (f->display.x->icon_bitmap_flag) |
3617 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3618 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3619 | icon_bitmap, GXcopy, AllPlanes); | |
3620 | else | |
3621 | { | |
f676886a | 3622 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3623 | struct Lisp_String *str; |
3624 | unsigned char *string; | |
3625 | ||
3626 | string | |
f676886a | 3627 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3628 | |
f676886a | 3629 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3630 | { |
f676886a JB |
3631 | f->display.x->icon_label = string; |
3632 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3633 | XQueryWidth (string, icon_font_info->id) + 10, |
3634 | icon_font_info->height + 10); | |
3635 | } | |
3636 | ||
f676886a | 3637 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3638 | str->size, icon_font_info->id, |
3639 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3640 | } | |
3641 | XFlushQueue (); | |
c118dd06 | 3642 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3643 | } |
3644 | ||
dbc4e1c1 | 3645 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
3646 | |
3647 | int | |
f676886a JB |
3648 | x_bitmap_icon (f) |
3649 | struct frame *f; | |
dc6f92b8 JB |
3650 | { |
3651 | int mask; | |
3652 | Window icon_window; | |
3653 | ||
c118dd06 | 3654 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3655 | return 1; |
3656 | ||
3657 | #ifdef HAVE_X11 | |
8583db58 RS |
3658 | if (! icon_bitmap) |
3659 | icon_bitmap = | |
3660 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), | |
3661 | gnu_bits, gnu_width, gnu_height); | |
f676886a JB |
3662 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3663 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3664 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3665 | if (f->display.x->icon_desc) |
dc6f92b8 | 3666 | { |
c118dd06 | 3667 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3668 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3669 | } |
3670 | ||
f676886a | 3671 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3672 | 0, 0, sink_width, sink_height, |
3673 | 2, WhitePixmap, (Pixmap) NULL); | |
3674 | ||
3675 | if (icon_window == 0) | |
3676 | return 1; | |
3677 | ||
c118dd06 | 3678 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3679 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3680 | ||
f676886a JB |
3681 | f->display.x->icon_desc = icon_window; |
3682 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3683 | |
3684 | if (icon_bitmap == 0) | |
3685 | icon_bitmap | |
3686 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3687 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3688 | |
3689 | return 0; | |
3690 | } | |
3691 | ||
3692 | ||
f676886a | 3693 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3694 | |
3695 | int | |
f676886a JB |
3696 | x_text_icon (f, icon_name) |
3697 | struct frame *f; | |
dc6f92b8 JB |
3698 | char *icon_name; |
3699 | { | |
3700 | #ifndef HAVE_X11 | |
3701 | int mask; | |
3702 | int width; | |
3703 | Window icon_window; | |
3704 | char *X_DefaultValue; | |
3705 | Bitmap b1; | |
3706 | ||
dc6f92b8 JB |
3707 | #ifndef WhitePixel |
3708 | #define WhitePixel 1 | |
c118dd06 | 3709 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3710 | |
3711 | #ifndef BlackPixel | |
3712 | #define BlackPixel 0 | |
c118dd06 JB |
3713 | #endif /* BlackPixel */ |
3714 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3715 | |
c118dd06 | 3716 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3717 | return 1; |
3718 | ||
dc6f92b8 JB |
3719 | #ifdef HAVE_X11 |
3720 | if (icon_name) | |
f676886a | 3721 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3722 | else |
f676886a JB |
3723 | if (! f->display.x->icon_label) |
3724 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3725 | |
dfeccd2d | 3726 | #if 0 |
c118dd06 | 3727 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3728 | (char *) f->display.x->icon_label); |
dfeccd2d | 3729 | #endif |
dc6f92b8 | 3730 | |
f676886a | 3731 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3732 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3733 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
3734 | if (icon_font_info == 0) |
3735 | icon_font_info | |
3736 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 3737 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
3738 | "BodyFont")); |
3739 | ||
f676886a | 3740 | if (f->display.x->icon_desc) |
dc6f92b8 | 3741 | { |
c118dd06 | 3742 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3743 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3744 | } |
3745 | ||
3746 | if (icon_name) | |
f676886a | 3747 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3748 | else |
f676886a JB |
3749 | if (! f->display.x->icon_label) |
3750 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3751 | |
f676886a JB |
3752 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3753 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3754 | f->display.x->left_pos, | |
3755 | f->display.x->top_pos, | |
dc6f92b8 JB |
3756 | width + 10, icon_font_info->height + 10, |
3757 | 2, BlackPixmap, WhitePixmap); | |
3758 | ||
3759 | if (icon_window == 0) | |
3760 | return 1; | |
3761 | ||
c118dd06 | 3762 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3763 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3764 | ||
f676886a JB |
3765 | f->display.x->icon_desc = icon_window; |
3766 | f->display.x->icon_bitmap_flag = 0; | |
3767 | f->display.x->icon_label = 0; | |
c118dd06 | 3768 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3769 | |
3770 | return 0; | |
3771 | } | |
3772 | \f | |
4746118a JB |
3773 | /* Handling X errors. */ |
3774 | ||
12ba150f JB |
3775 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3776 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3777 | |
4746118a | 3778 | static SIGTYPE |
c118dd06 | 3779 | x_connection_closed () |
4746118a JB |
3780 | { |
3781 | if (_Xdebug) | |
3782 | abort (); | |
12ba150f | 3783 | |
1cd2d6d4 | 3784 | shut_down_emacs (0, 1, Qnil); |
12ba150f JB |
3785 | |
3786 | exit (70); | |
4746118a JB |
3787 | } |
3788 | ||
8922af5f JB |
3789 | /* An X error handler which prints an error message and then kills |
3790 | Emacs. This is what's normally installed as Xlib's handler for | |
3791 | protocol errors. */ | |
c118dd06 JB |
3792 | static int |
3793 | x_error_quitter (display, error) | |
3794 | Display *display; | |
3795 | XErrorEvent *error; | |
3796 | { | |
3797 | char buf[256]; | |
dc6f92b8 | 3798 | |
c118dd06 JB |
3799 | /* Note that there is no real way portable across R3/R4 to get the |
3800 | original error handler. */ | |
dc6f92b8 | 3801 | |
c118dd06 JB |
3802 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3803 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3804 | buf, error->request_code); | |
dc6f92b8 | 3805 | |
e09f9351 | 3806 | #if 0 |
12ba150f JB |
3807 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3808 | get an X error, so we can figure out why it happened. */ | |
3809 | abort (); | |
e09f9351 | 3810 | #endif |
12ba150f | 3811 | |
c118dd06 | 3812 | x_connection_closed (); |
dc6f92b8 JB |
3813 | } |
3814 | ||
8922af5f JB |
3815 | /* A handler for X IO errors which prints an error message and then |
3816 | kills Emacs. This is what is always installed as Xlib's handler | |
3817 | for I/O errors. */ | |
3818 | static int | |
3819 | x_io_error_quitter (display) | |
3820 | Display *display; | |
3821 | { | |
3822 | fprintf (stderr, "Connection to X server %s lost.\n", | |
3823 | XDisplayName (DisplayString (display))); | |
3824 | ||
e09f9351 | 3825 | #if 0 |
8922af5f JB |
3826 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3827 | get an X error, so we can figure out why it happened. */ | |
3828 | abort (); | |
e09f9351 | 3829 | #endif |
8922af5f JB |
3830 | |
3831 | x_connection_closed (); | |
3832 | } | |
3833 | ||
c118dd06 | 3834 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
3835 | static char *x_caught_error_message; |
3836 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
3837 | |
3838 | /* An X error handler which stores the error message in | |
3839 | x_caught_error_message. This is what's installed when | |
3840 | x_catch_errors is in effect. */ | |
3841 | static int | |
3842 | x_error_catcher (display, error) | |
3843 | Display *display; | |
3844 | XErrorEvent *error; | |
3845 | { | |
3846 | XGetErrorText (display, error->error_code, | |
cef13e55 | 3847 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
3848 | } |
3849 | ||
3850 | ||
3851 | /* Begin trapping X errors. | |
dc6f92b8 | 3852 | |
c118dd06 JB |
3853 | After calling this function, X protocol errors no longer cause |
3854 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3855 | |
c118dd06 JB |
3856 | Calling x_check_errors signals an Emacs error if an X error has |
3857 | occurred since the last call to x_catch_errors or x_check_errors. | |
3858 | ||
3859 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3860 | ||
3861 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3862 | ||
3863 | void | |
3864 | x_catch_errors () | |
dc6f92b8 | 3865 | { |
c118dd06 JB |
3866 | /* Make sure any errors from previous requests have been dealt with. */ |
3867 | XSync (x_current_display, False); | |
dc6f92b8 | 3868 | |
c118dd06 | 3869 | /* Set up the error buffer. */ |
60f9aad3 | 3870 | x_caught_error_message |
cef13e55 RS |
3871 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
3872 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 3873 | |
c118dd06 JB |
3874 | /* Install our little error handler. */ |
3875 | XHandleError (x_error_catcher); | |
3876 | } | |
16bd92ea | 3877 | |
c118dd06 JB |
3878 | /* If any X protocol errors have arrived since the last call to |
3879 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3880 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3881 | void | |
3882 | x_check_errors (format) | |
3883 | char *format; | |
3884 | { | |
3885 | /* Make sure to catch any errors incurred so far. */ | |
3886 | XSync (x_current_display, False); | |
16bd92ea | 3887 | |
cef13e55 | 3888 | if (x_caught_error_message[0]) |
c118dd06 | 3889 | { |
cef13e55 | 3890 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 3891 | |
cef13e55 | 3892 | sprintf (buf, format, x_caught_error_message); |
c118dd06 JB |
3893 | x_uncatch_errors (); |
3894 | error (buf); | |
3895 | } | |
3896 | } | |
3897 | ||
3898 | void | |
3899 | x_uncatch_errors () | |
3900 | { | |
9ac0d9e0 | 3901 | xfree (x_caught_error_message); |
cef13e55 | 3902 | x_caught_error_message = 0; |
c118dd06 | 3903 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
3904 | } |
3905 | ||
dc6f92b8 JB |
3906 | #if 0 |
3907 | static unsigned int x_wire_count; | |
3908 | x_trace_wire () | |
3909 | { | |
3910 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3911 | } | |
c118dd06 | 3912 | #endif /* ! 0 */ |
dc6f92b8 JB |
3913 | |
3914 | \f | |
f451eb13 JB |
3915 | /* Changing the font of the frame. */ |
3916 | ||
f676886a | 3917 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3918 | to the font named NEWNAME. This is safe to use |
f676886a | 3919 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3920 | |
3921 | #ifdef HAVE_X11 | |
3922 | ||
3923 | /* A table of all the fonts we have already loaded. */ | |
3924 | static XFontStruct **x_font_table; | |
3925 | ||
3926 | /* The current capacity of x_font_table. */ | |
3927 | static int x_font_table_size; | |
3928 | ||
3929 | /* The number of fonts actually stored in x_font_table. | |
3930 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3931 | 0 <= n_fonts <= x_font_table_size. */ | |
3932 | static int n_fonts; | |
3933 | ||
b5cf7a0e | 3934 | Lisp_Object |
f676886a JB |
3935 | x_new_font (f, fontname) |
3936 | struct frame *f; | |
dc6f92b8 JB |
3937 | register char *fontname; |
3938 | { | |
dc6f92b8 JB |
3939 | int already_loaded; |
3940 | int n_matching_fonts; | |
3941 | XFontStruct *font_info; | |
3942 | char **font_names; | |
3943 | ||
3944 | /* Get a list of all the fonts that match this name. Once we | |
3945 | have a list of matching fonts, we compare them against the fonts | |
3946 | we already have by comparing font ids. */ | |
3947 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3948 | 1024, &n_matching_fonts, | |
3949 | &font_info); | |
0c94f6ee JB |
3950 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
3951 | find any matches; font_names == 0 is the only clue. */ | |
3952 | if (! font_names) | |
3953 | n_matching_fonts = 0; | |
3954 | ||
5835f860 RS |
3955 | /* Don't just give up if n_matching_fonts is 0. |
3956 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
3957 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 3958 | |
90e65f07 | 3959 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
3960 | already_loaded = -1; |
3961 | if (n_matching_fonts != 0) | |
3962 | { | |
3963 | int i, j; | |
dc6f92b8 | 3964 | |
5835f860 RS |
3965 | for (i = 0; i < n_fonts; i++) |
3966 | for (j = 0; j < n_matching_fonts; j++) | |
3967 | if (x_font_table[i]->fid == font_info[j].fid) | |
3968 | { | |
3969 | already_loaded = i; | |
3970 | fontname = font_names[j]; | |
3971 | goto found_font; | |
3972 | } | |
3973 | } | |
dc6f92b8 JB |
3974 | found_font: |
3975 | ||
3976 | /* If we have, just return it from the table. */ | |
5835f860 | 3977 | if (already_loaded > 0) |
f676886a | 3978 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3979 | |
dc6f92b8 JB |
3980 | /* Otherwise, load the font and add it to the table. */ |
3981 | else | |
3982 | { | |
9696f58b | 3983 | int i; |
dc6f92b8 JB |
3984 | XFontStruct *font; |
3985 | ||
9696f58b | 3986 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
3987 | #if 0 |
3988 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
3989 | for (i = 0; i < n_matching_fonts; i++) |
3990 | if (! font_info[i].per_char) | |
3991 | break; | |
f126bd67 JB |
3992 | #else |
3993 | i = 0; | |
3994 | #endif | |
9696f58b | 3995 | |
5835f860 RS |
3996 | /* See comment above. */ |
3997 | if (n_matching_fonts != 0) | |
9696f58b JB |
3998 | fontname = font_names[i]; |
3999 | ||
dc6f92b8 JB |
4000 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
4001 | if (! font) | |
5835f860 RS |
4002 | { |
4003 | /* Free the information from XListFontsWithInfo. */ | |
4004 | if (n_matching_fonts) | |
4005 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
4006 | return Qnil; | |
4007 | } | |
dc6f92b8 JB |
4008 | |
4009 | /* Do we need to create the table? */ | |
4010 | if (x_font_table_size == 0) | |
4011 | { | |
4012 | x_font_table_size = 16; | |
4013 | x_font_table | |
4014 | = (XFontStruct **) xmalloc (x_font_table_size | |
4015 | * sizeof (x_font_table[0])); | |
4016 | } | |
4017 | /* Do we need to grow the table? */ | |
4018 | else if (n_fonts >= x_font_table_size) | |
4019 | { | |
90e65f07 | 4020 | x_font_table_size *= 2; |
dc6f92b8 JB |
4021 | x_font_table |
4022 | = (XFontStruct **) xrealloc (x_font_table, | |
4023 | (x_font_table_size | |
4024 | * sizeof (x_font_table[0]))); | |
4025 | } | |
4026 | ||
f676886a | 4027 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
4028 | } |
4029 | ||
f676886a | 4030 | /* Now make the frame display the given font. */ |
c118dd06 | 4031 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4032 | { |
f676886a JB |
4033 | XSetFont (x_current_display, f->display.x->normal_gc, |
4034 | f->display.x->font->fid); | |
4035 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
4036 | f->display.x->font->fid); | |
4037 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
4038 | f->display.x->font->fid); | |
4039 | ||
4040 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
4041 | } |
4042 | ||
b5cf7a0e JB |
4043 | { |
4044 | Lisp_Object lispy_name = build_string (fontname); | |
4045 | ||
4046 | ||
4047 | /* Free the information from XListFontsWithInfo. The data | |
4048 | we actually retain comes from XLoadQueryFont. */ | |
4049 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
4050 | ||
4051 | return lispy_name; | |
4052 | } | |
dc6f92b8 | 4053 | } |
c118dd06 | 4054 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
4055 | x_new_font (f, newname) |
4056 | struct frame *f; | |
dc6f92b8 JB |
4057 | register char *newname; |
4058 | { | |
4059 | FONT_TYPE *temp; | |
4060 | int mask; | |
4061 | ||
4062 | temp = XGetFont (newname); | |
4063 | if (temp == (FONT_TYPE *) 0) | |
4064 | return 1; | |
4065 | ||
f676886a JB |
4066 | if (f->display.x->font) |
4067 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 4068 | |
f676886a | 4069 | f->display.x->font = temp; |
dc6f92b8 | 4070 | |
c118dd06 | 4071 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 4072 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
4073 | |
4074 | return 0; | |
4075 | } | |
c118dd06 | 4076 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4077 | \f |
f451eb13 JB |
4078 | /* X Window sizes and positions. */ |
4079 | ||
f676886a JB |
4080 | x_calc_absolute_position (f) |
4081 | struct frame *f; | |
dc6f92b8 JB |
4082 | { |
4083 | #ifdef HAVE_X11 | |
f676886a JB |
4084 | if (f->display.x->left_pos < 0) |
4085 | f->display.x->left_pos | |
7c5283e4 | 4086 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 4087 | |
f676886a JB |
4088 | if (f->display.x->top_pos < 0) |
4089 | f->display.x->top_pos | |
7c5283e4 | 4090 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 4091 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4092 | WINDOWINFO_TYPE parentinfo; |
4093 | ||
c118dd06 | 4094 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 4095 | |
f676886a JB |
4096 | if (f->display.x->left_pos < 0) |
4097 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
4098 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 4099 | |
f676886a JB |
4100 | if (f->display.x->top_pos < 0) |
4101 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
4102 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 4103 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4104 | } |
4105 | ||
f676886a JB |
4106 | x_set_offset (f, xoff, yoff) |
4107 | struct frame *f; | |
dc6f92b8 JB |
4108 | register int xoff, yoff; |
4109 | { | |
f676886a JB |
4110 | f->display.x->top_pos = yoff; |
4111 | f->display.x->left_pos = xoff; | |
4112 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
4113 | |
4114 | BLOCK_INPUT; | |
c118dd06 | 4115 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 4116 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 4117 | #ifdef HAVE_X11 |
f676886a | 4118 | x_wm_set_size_hint (f, 0); |
c118dd06 | 4119 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4120 | UNBLOCK_INPUT; |
4121 | } | |
4122 | ||
f676886a | 4123 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 4124 | |
f676886a JB |
4125 | x_set_window_size (f, cols, rows) |
4126 | struct frame *f; | |
b1c884c3 | 4127 | int cols, rows; |
dc6f92b8 JB |
4128 | { |
4129 | int pixelwidth, pixelheight; | |
4130 | int mask; | |
dc6f92b8 JB |
4131 | |
4132 | BLOCK_INPUT; | |
4133 | ||
b1c884c3 | 4134 | check_frame_size (f, &rows, &cols); |
ab648270 JB |
4135 | f->display.x->vertical_scroll_bar_extra = |
4136 | (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
4137 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
f451eb13 JB |
4138 | : 0); |
4139 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
4140 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
4141 | |
4142 | #ifdef HAVE_X11 | |
f676886a | 4143 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
4144 | #endif /* ! defined (HAVE_X11) */ |
4145 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
4146 | |
4147 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4148 | but the window manager will get around to dealing with the size | |
4149 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4150 | ConfigureNotify event gets here. |
4151 | ||
4152 | We could just not bother storing any of this information here, | |
4153 | and let the ConfigureNotify event set everything up, but that | |
4154 | might be kind of confusing to the lisp code, since size changes | |
4155 | wouldn't be reported in the frame parameters until some random | |
4156 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4157 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4158 | PIXEL_WIDTH (f) = pixelwidth; |
4159 | PIXEL_HEIGHT (f) = pixelheight; | |
4160 | ||
dbc4e1c1 JB |
4161 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4162 | receive in the ConfigureNotify event; if we get what we asked | |
4163 | for, then the event won't cause the screen to become garbaged, so | |
4164 | we have to make sure to do it here. */ | |
4165 | SET_FRAME_GARBAGED (f); | |
4166 | ||
dc6f92b8 JB |
4167 | XFlushQueue (); |
4168 | UNBLOCK_INPUT; | |
4169 | } | |
4170 | ||
4171 | #ifndef HAVE_X11 | |
f676886a JB |
4172 | x_set_resize_hint (f) |
4173 | struct frame *f; | |
dc6f92b8 | 4174 | { |
12ba150f JB |
4175 | XSetResizeHint (FRAME_X_WINDOW (f), |
4176 | 2 * f->display.x->internal_border_width, | |
f676886a | 4177 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
4178 | FONT_WIDTH (f->display.x->font), |
4179 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 4180 | } |
c118dd06 | 4181 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4182 | \f |
f451eb13 | 4183 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4184 | |
f676886a JB |
4185 | x_set_mouse_position (f, x, y) |
4186 | struct frame *f; | |
dc6f92b8 JB |
4187 | int x, y; |
4188 | { | |
4189 | int pix_x, pix_y; | |
4190 | ||
f676886a | 4191 | x_raise_frame (f); |
dc6f92b8 | 4192 | |
12ba150f JB |
4193 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
4194 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
4195 | |
4196 | if (pix_x < 0) pix_x = 0; | |
4197 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4198 | ||
4199 | if (pix_y < 0) pix_y = 0; | |
4200 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4201 | |
4202 | BLOCK_INPUT; | |
dc6f92b8 | 4203 | |
c118dd06 | 4204 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
4205 | UNBLOCK_INPUT; |
4206 | } | |
4207 | ||
4208 | #ifdef HAVE_X11 | |
f676886a JB |
4209 | x_focus_on_frame (f) |
4210 | struct frame *f; | |
dc6f92b8 | 4211 | { |
f676886a | 4212 | x_raise_frame (f); |
6d4238f3 JB |
4213 | #if 0 |
4214 | /* I don't think that the ICCCM allows programs to do things like this | |
4215 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4216 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 4217 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 4218 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4219 | #endif /* ! 0 */ |
dc6f92b8 JB |
4220 | } |
4221 | ||
f676886a JB |
4222 | x_unfocus_frame (f) |
4223 | struct frame *f; | |
dc6f92b8 | 4224 | { |
6d4238f3 | 4225 | #if 0 |
f676886a JB |
4226 | /* Look at the remarks in x_focus_on_frame. */ |
4227 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4228 | XSetInputFocus (x_current_display, PointerRoot, |
4229 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4230 | #endif /* ! 0 */ |
dc6f92b8 JB |
4231 | } |
4232 | ||
c118dd06 | 4233 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4234 | |
f676886a | 4235 | /* Raise frame F. */ |
dc6f92b8 | 4236 | |
f676886a JB |
4237 | x_raise_frame (f) |
4238 | struct frame *f; | |
dc6f92b8 | 4239 | { |
3a88c238 | 4240 | if (f->async_visible) |
dc6f92b8 JB |
4241 | { |
4242 | BLOCK_INPUT; | |
c118dd06 | 4243 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4244 | XFlushQueue (); |
4245 | UNBLOCK_INPUT; | |
4246 | } | |
4247 | } | |
4248 | ||
f676886a | 4249 | /* Lower frame F. */ |
dc6f92b8 | 4250 | |
f676886a JB |
4251 | x_lower_frame (f) |
4252 | struct frame *f; | |
dc6f92b8 | 4253 | { |
3a88c238 | 4254 | if (f->async_visible) |
dc6f92b8 JB |
4255 | { |
4256 | BLOCK_INPUT; | |
c118dd06 | 4257 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4258 | XFlushQueue (); |
4259 | UNBLOCK_INPUT; | |
4260 | } | |
4261 | } | |
4262 | ||
dbc4e1c1 JB |
4263 | static void |
4264 | XTframe_raise_lower (f, raise) | |
4265 | FRAME_PTR f; | |
4266 | int raise; | |
4267 | { | |
4268 | if (raise) | |
4269 | x_raise_frame (f); | |
4270 | else | |
4271 | x_lower_frame (f); | |
4272 | } | |
4273 | ||
4274 | ||
dc6f92b8 JB |
4275 | /* Change from withdrawn state to mapped state. */ |
4276 | ||
f676886a JB |
4277 | x_make_frame_visible (f) |
4278 | struct frame *f; | |
dc6f92b8 JB |
4279 | { |
4280 | int mask; | |
4281 | ||
dc6f92b8 | 4282 | BLOCK_INPUT; |
dc6f92b8 | 4283 | |
f676886a | 4284 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
4285 | { |
4286 | #ifdef HAVE_X11 | |
4287 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4288 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 4289 | |
c118dd06 | 4290 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
ab648270 | 4291 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
4292 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4293 | #else /* ! defined (HAVE_X11) */ | |
4294 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4295 | if (f->display.x->icon_desc != 0) |
4296 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4297 | |
90e65f07 | 4298 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4299 | f->async_visible = 1; |
4300 | f->async_iconified = 0; | |
dc6f92b8 | 4301 | |
f676886a | 4302 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4303 | XTcursor_to (0, 0); |
c118dd06 | 4304 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4305 | } |
dc6f92b8 | 4306 | |
dc6f92b8 | 4307 | XFlushQueue (); |
90e65f07 | 4308 | |
dc6f92b8 JB |
4309 | UNBLOCK_INPUT; |
4310 | } | |
4311 | ||
4312 | /* Change from mapped state to withdrawn state. */ | |
4313 | ||
f676886a JB |
4314 | x_make_frame_invisible (f) |
4315 | struct frame *f; | |
dc6f92b8 JB |
4316 | { |
4317 | int mask; | |
4318 | ||
9319ae23 RS |
4319 | /* Don't keep the highlight on an invisible frame. */ |
4320 | if (x_highlight_frame == f) | |
4321 | x_highlight_frame = 0; | |
4322 | ||
4323 | if (! f->async_visible && ! f->async_iconified) | |
dc6f92b8 JB |
4324 | return; |
4325 | ||
4326 | BLOCK_INPUT; | |
c118dd06 JB |
4327 | |
4328 | #ifdef HAVE_X11R4 | |
4329 | ||
4330 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
4331 | DefaultScreen (x_current_display))) | |
4332 | { | |
4333 | UNBLOCK_INPUT_RESIGNAL; | |
eb8c3be9 | 4334 | error ("can't notify window manager of window withdrawal"); |
c118dd06 JB |
4335 | } |
4336 | ||
4337 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4338 | #ifdef HAVE_X11 |
16bd92ea | 4339 | |
c118dd06 | 4340 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4341 | if (! EQ (Vx_no_window_manager, Qt)) |
4342 | { | |
16bd92ea | 4343 | XEvent unmap; |
dc6f92b8 | 4344 | |
16bd92ea | 4345 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 4346 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4347 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4348 | unmap.xunmap.from_configure = False; | |
4349 | if (! XSendEvent (x_current_display, | |
4350 | DefaultRootWindow (x_current_display), | |
4351 | False, | |
4352 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4353 | &unmap)) | |
4354 | { | |
4355 | UNBLOCK_INPUT_RESIGNAL; | |
4356 | error ("can't notify window manager of withdrawal"); | |
4357 | } | |
dc6f92b8 JB |
4358 | } |
4359 | ||
16bd92ea | 4360 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
4361 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
4362 | ||
4363 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 4364 | |
c118dd06 | 4365 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4366 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4367 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4368 | XUnmapWindow (f->display.x->icon_desc); |
4369 | ||
4370 | #endif /* ! defined (HAVE_X11) */ | |
4371 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4372 | |
4373 | XFlushQueue (); | |
4374 | UNBLOCK_INPUT; | |
4375 | } | |
4376 | ||
dc6f92b8 JB |
4377 | /* Change window state from mapped to iconified. */ |
4378 | ||
f676886a JB |
4379 | x_iconify_frame (f) |
4380 | struct frame *f; | |
dc6f92b8 JB |
4381 | { |
4382 | int mask; | |
4383 | ||
9319ae23 RS |
4384 | /* Don't keep the highlight on an invisible frame. */ |
4385 | if (x_highlight_frame == f) | |
4386 | x_highlight_frame = 0; | |
4387 | ||
3a88c238 | 4388 | if (f->async_iconified) |
dc6f92b8 JB |
4389 | return; |
4390 | ||
4391 | BLOCK_INPUT; | |
4392 | ||
4393 | #ifdef HAVE_X11 | |
16bd92ea JB |
4394 | /* Since we don't know which revision of X we're running, we'll use both |
4395 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4396 | ||
4397 | /* X11R4: send a ClientMessage to the window manager using the | |
4398 | WM_CHANGE_STATE type. */ | |
4399 | { | |
4400 | XEvent message; | |
4401 | ||
c118dd06 | 4402 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4403 | message.xclient.type = ClientMessage; |
4404 | message.xclient.message_type = Xatom_wm_change_state; | |
4405 | message.xclient.format = 32; | |
4406 | message.xclient.data.l[0] = IconicState; | |
4407 | ||
4408 | if (! XSendEvent (x_current_display, | |
4409 | DefaultRootWindow (x_current_display), | |
4410 | False, | |
4411 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4412 | &message)) | |
dc6f92b8 JB |
4413 | { |
4414 | UNBLOCK_INPUT_RESIGNAL; | |
4415 | error ("Can't notify window manager of iconification."); | |
4416 | } | |
16bd92ea | 4417 | } |
dc6f92b8 | 4418 | |
16bd92ea JB |
4419 | /* X11R3: set the initial_state field of the window manager hints to |
4420 | IconicState. */ | |
4421 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4422 | |
3a88c238 | 4423 | f->async_iconified = 1; |
c118dd06 JB |
4424 | #else /* ! defined (HAVE_X11) */ |
4425 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4426 | |
3a88c238 | 4427 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4428 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4429 | { |
f676886a JB |
4430 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4431 | refreshicon (f); | |
dc6f92b8 | 4432 | } |
c118dd06 | 4433 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4434 | |
4435 | XFlushQueue (); | |
4436 | UNBLOCK_INPUT; | |
4437 | } | |
4438 | ||
c0ff3fab | 4439 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4440 | |
c0ff3fab | 4441 | x_destroy_window (f) |
f676886a | 4442 | struct frame *f; |
dc6f92b8 | 4443 | { |
dc6f92b8 | 4444 | BLOCK_INPUT; |
c0ff3fab JB |
4445 | |
4446 | if (f->display.x->icon_desc != 0) | |
4447 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4448 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
07e34cb0 | 4449 | free_frame_faces (f); |
dc6f92b8 | 4450 | XFlushQueue (); |
dc6f92b8 | 4451 | |
9ac0d9e0 | 4452 | xfree (f->display.x); |
c0ff3fab | 4453 | f->display.x = 0; |
f676886a JB |
4454 | if (f == x_focus_frame) |
4455 | x_focus_frame = 0; | |
4456 | if (f == x_highlight_frame) | |
4457 | x_highlight_frame = 0; | |
c0ff3fab JB |
4458 | |
4459 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4460 | } |
4461 | \f | |
f451eb13 JB |
4462 | /* Manage event queues for X10. */ |
4463 | ||
dc6f92b8 JB |
4464 | #ifndef HAVE_X11 |
4465 | ||
4466 | /* Manage event queues. | |
4467 | ||
4468 | This code is only used by the X10 support. | |
4469 | ||
4470 | We cannot leave events in the X queue and get them when we are ready | |
4471 | because X does not provide a subroutine to get only a certain kind | |
4472 | of event but not block if there are no queued events of that kind. | |
4473 | ||
4474 | Therefore, we must examine events as they come in and copy events | |
4475 | of certain kinds into our private queues. | |
4476 | ||
4477 | All ExposeRegion events are put in x_expose_queue. | |
4478 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4479 | ||
4480 | ||
4481 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4482 | If the queue is full, do nothing, but return nonzero. */ | |
4483 | ||
4484 | int | |
4485 | enqueue_event (p_xrep, queue) | |
4486 | register XEvent *p_xrep; | |
4487 | register struct event_queue *queue; | |
4488 | { | |
4489 | int newindex = queue->windex + 1; | |
4490 | if (newindex == EVENT_BUFFER_SIZE) | |
4491 | newindex = 0; | |
4492 | if (newindex == queue->rindex) | |
4493 | return -1; | |
4494 | queue->xrep[queue->windex] = *p_xrep; | |
4495 | queue->windex = newindex; | |
4496 | return 0; | |
4497 | } | |
4498 | ||
4499 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4500 | If *QUEUE is empty, do nothing and return 0. */ | |
4501 | ||
4502 | int | |
4503 | dequeue_event (p_xrep, queue) | |
4504 | register XEvent *p_xrep; | |
4505 | register struct event_queue *queue; | |
4506 | { | |
4507 | if (queue->windex == queue->rindex) | |
4508 | return 0; | |
4509 | *p_xrep = queue->xrep[queue->rindex++]; | |
4510 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4511 | queue->rindex = 0; | |
4512 | return 1; | |
4513 | } | |
4514 | ||
4515 | /* Return the number of events buffered in *QUEUE. */ | |
4516 | ||
4517 | int | |
4518 | queue_event_count (queue) | |
4519 | register struct event_queue *queue; | |
4520 | { | |
4521 | int tem = queue->windex - queue->rindex; | |
4522 | if (tem >= 0) | |
4523 | return tem; | |
4524 | return EVENT_BUFFER_SIZE + tem; | |
4525 | } | |
4526 | ||
4527 | /* Return nonzero if mouse input is pending. */ | |
4528 | ||
4529 | int | |
4530 | mouse_event_pending_p () | |
4531 | { | |
4532 | return queue_event_count (&x_mouse_queue); | |
4533 | } | |
c118dd06 | 4534 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4535 | \f |
f451eb13 JB |
4536 | /* Setting window manager hints. */ |
4537 | ||
dc6f92b8 JB |
4538 | #ifdef HAVE_X11 |
4539 | ||
f676886a JB |
4540 | x_wm_set_size_hint (f, prompting) |
4541 | struct frame *f; | |
dc6f92b8 JB |
4542 | long prompting; |
4543 | { | |
4544 | XSizeHints size_hints; | |
c118dd06 | 4545 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4546 | |
f7f79491 | 4547 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; |
dc6f92b8 | 4548 | |
f676886a JB |
4549 | flexlines = f->height; |
4550 | ||
4551 | size_hints.x = f->display.x->left_pos; | |
4552 | size_hints.y = f->display.x->top_pos; | |
4553 | size_hints.height = PIXEL_HEIGHT (f); | |
4554 | size_hints.width = PIXEL_WIDTH (f); | |
4555 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4556 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
f7f79491 | 4557 | #if 0 |
12ba150f JB |
4558 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4559 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f7f79491 | 4560 | #endif |
b1c884c3 | 4561 | { |
b0342f17 JB |
4562 | int base_width, base_height; |
4563 | ||
f451eb13 JB |
4564 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4565 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4566 | |
4567 | { | |
4568 | int min_rows = 0, min_cols = 0; | |
4569 | check_frame_size (f, &min_rows, &min_cols); | |
4570 | ||
4571 | /* The window manager uses the base width hints to calculate the | |
4572 | current number of rows and columns in the frame while | |
4573 | resizing; min_width and min_height aren't useful for this | |
4574 | purpose, since they might not give the dimensions for a | |
4575 | zero-row, zero-column frame. | |
4576 | ||
4577 | We use the base_width and base_height members if we have | |
4578 | them; otherwise, we set the min_width and min_height members | |
4579 | to the size for a zero x zero frame. */ | |
4580 | ||
4581 | #ifdef HAVE_X11R4 | |
4582 | size_hints.flags |= PBaseSize; | |
4583 | size_hints.base_width = base_width; | |
4584 | size_hints.base_height = base_height; | |
4585 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4586 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4587 | #else | |
4588 | size_hints.min_width = base_width; | |
4589 | size_hints.min_height = base_height; | |
4590 | #endif | |
4591 | } | |
b1c884c3 | 4592 | |
b1c884c3 | 4593 | } |
dc6f92b8 JB |
4594 | |
4595 | if (prompting) | |
4596 | size_hints.flags |= prompting; | |
4597 | else | |
4598 | { | |
4599 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4600 | ||
82ee0df4 RS |
4601 | if (XGetNormalHints (x_current_display, window, &hints) == 0) |
4602 | hints.flags = 0; | |
dc6f92b8 JB |
4603 | if (hints.flags & PSize) |
4604 | size_hints.flags |= PSize; | |
4605 | if (hints.flags & PPosition) | |
4606 | size_hints.flags |= PPosition; | |
4607 | if (hints.flags & USPosition) | |
4608 | size_hints.flags |= USPosition; | |
4609 | if (hints.flags & USSize) | |
4610 | size_hints.flags |= USSize; | |
4611 | } | |
16bd92ea | 4612 | |
b0342f17 JB |
4613 | #ifdef HAVE_X11R4 |
4614 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4615 | #else | |
dc6f92b8 | 4616 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4617 | #endif |
dc6f92b8 JB |
4618 | } |
4619 | ||
4620 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4621 | x_wm_set_window_state (f, state) |
4622 | struct frame *f; | |
dc6f92b8 JB |
4623 | int state; |
4624 | { | |
c118dd06 | 4625 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4626 | |
16bd92ea JB |
4627 | f->display.x->wm_hints.flags |= StateHint; |
4628 | f->display.x->wm_hints.initial_state = state; | |
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_pixmap (f, icon_pixmap) |
4634 | struct frame *f; | |
dc6f92b8 JB |
4635 | Pixmap icon_pixmap; |
4636 | { | |
c118dd06 | 4637 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4638 | |
dbc4e1c1 JB |
4639 | if (icon_pixmap) |
4640 | { | |
4641 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
4642 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
4643 | } | |
4644 | else | |
4645 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 4646 | |
16bd92ea | 4647 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4648 | } |
4649 | ||
f676886a JB |
4650 | x_wm_set_icon_position (f, icon_x, icon_y) |
4651 | struct frame *f; | |
dc6f92b8 JB |
4652 | int icon_x, icon_y; |
4653 | { | |
c118dd06 | 4654 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4655 | |
16bd92ea JB |
4656 | f->display.x->wm_hints.flags |= IconPositionHint; |
4657 | f->display.x->wm_hints.icon_x = icon_x; | |
4658 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4659 | |
16bd92ea | 4660 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4661 | } |
4662 | ||
4663 | \f | |
f451eb13 JB |
4664 | /* Initialization. */ |
4665 | ||
dc6f92b8 JB |
4666 | void |
4667 | x_term_init (display_name) | |
4668 | char *display_name; | |
4669 | { | |
f676886a | 4670 | Lisp_Object frame; |
dc6f92b8 JB |
4671 | char *defaultvalue; |
4672 | #ifdef F_SETOWN | |
4673 | extern int old_fcntl_owner; | |
c118dd06 | 4674 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4675 | |
f676886a | 4676 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4677 | |
4678 | x_current_display = XOpenDisplay (display_name); | |
4679 | if (x_current_display == 0) | |
4680 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4681 | display_name); | |
4682 | ||
4683 | #ifdef HAVE_X11 | |
4684 | { | |
16bd92ea | 4685 | int hostname_size = 256; |
60fb3ee1 JB |
4686 | |
4687 | hostname = (char *) xmalloc (hostname_size); | |
4688 | ||
dc6f92b8 JB |
4689 | #if 0 |
4690 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4691 | #endif /* ! 0 */ |
dc6f92b8 | 4692 | |
60fb3ee1 JB |
4693 | /* Try to get the host name; if the buffer is too short, try |
4694 | again. Apparently, the only indication gethostname gives of | |
4695 | whether the buffer was large enough is the presence or absence | |
4696 | of a '\0' in the string. Eech. */ | |
4697 | for (;;) | |
4698 | { | |
4699 | gethostname (hostname, hostname_size - 1); | |
4700 | hostname[hostname_size - 1] = '\0'; | |
4701 | ||
4702 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4703 | if (strlen (hostname) < hostname_size - 1) | |
4704 | break; | |
4705 | ||
4706 | hostname_size <<= 1; | |
4707 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4708 | } | |
59653951 | 4709 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
4710 | + strlen (hostname) |
4711 | + 2); | |
59653951 | 4712 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 4713 | } |
28430d3c JB |
4714 | |
4715 | /* Figure out which modifier bits mean what. */ | |
4716 | x_find_modifier_meanings (); | |
f451eb13 | 4717 | |
ab648270 | 4718 | /* Get the scroll bar cursor. */ |
d56a553a RS |
4719 | x_vertical_scroll_bar_cursor |
4720 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 4721 | |
d56a553a | 4722 | #if 0 |
28430d3c JB |
4723 | /* Watch for PropertyNotify events on the root window; we use them |
4724 | to figure out when to invalidate our cache of the cut buffers. */ | |
4725 | x_watch_cut_buffer_cache (); | |
d56a553a | 4726 | #endif |
28430d3c | 4727 | |
a4fc7360 JB |
4728 | if (ConnectionNumber (x_current_display) != 0) |
4729 | { | |
4730 | dup2 (ConnectionNumber (x_current_display), 0); | |
6d4238f3 JB |
4731 | |
4732 | #ifndef SYSV_STREAMS | |
a4fc7360 JB |
4733 | /* Streams somehow keeps track of which descriptor number |
4734 | is being used to talk to X. So it is not safe to substitute | |
4735 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
4736 | close (ConnectionNumber (x_current_display)); | |
4737 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? | |
6d4238f3 JB |
4738 | * check the def of the macro; |
4739 | * it is a genuine lvalue */ | |
c118dd06 | 4740 | #endif /* SYSV_STREAMS */ |
a4fc7360 | 4741 | } |
6d4238f3 | 4742 | |
c118dd06 | 4743 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4744 | |
4745 | #ifdef F_SETOWN | |
4746 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4747 | #ifdef F_SETOWN_SOCK_NEG | |
4748 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4749 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4750 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4751 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4752 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4753 | |
4754 | #ifdef SIGIO | |
4755 | init_sigio (); | |
c118dd06 | 4756 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4757 | |
4758 | /* Must use interrupt input because we cannot otherwise | |
4759 | arrange for C-g to be noticed immediately. | |
4760 | We cannot connect it to SIGINT. */ | |
4761 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4762 | ||
4763 | expose_all_windows = 0; | |
4764 | ||
f676886a | 4765 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4766 | clear_end_of_line_hook = XTclear_end_of_line; |
4767 | ins_del_lines_hook = XTins_del_lines; | |
4768 | change_line_highlight_hook = XTchange_line_highlight; | |
4769 | insert_glyphs_hook = XTinsert_glyphs; | |
4770 | write_glyphs_hook = XTwrite_glyphs; | |
4771 | delete_glyphs_hook = XTdelete_glyphs; | |
4772 | ring_bell_hook = XTring_bell; | |
4773 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4774 | set_terminal_modes_hook = XTset_terminal_modes; | |
4775 | update_begin_hook = XTupdate_begin; | |
4776 | update_end_hook = XTupdate_end; | |
4777 | set_terminal_window_hook = XTset_terminal_window; | |
4778 | read_socket_hook = XTread_socket; | |
4779 | cursor_to_hook = XTcursor_to; | |
4780 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4781 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4782 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 4783 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
4784 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
4785 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
4786 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
4787 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 4788 | |
f676886a | 4789 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4790 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4791 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4792 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4793 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4794 | off the bottom */ |
4795 | baud_rate = 19200; | |
4796 | ||
c118dd06 JB |
4797 | /* Note that there is no real way portable across R3/R4 to get the |
4798 | original error handler. */ | |
4799 | XHandleError (x_error_quitter); | |
8922af5f | 4800 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
4801 | |
4802 | /* Disable Window Change signals; they are handled by X events. */ | |
4803 | #ifdef SIGWINCH | |
4804 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4805 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4806 | |
c118dd06 | 4807 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4808 | } |
55123275 JB |
4809 | |
4810 | void | |
4811 | syms_of_xterm () | |
4812 | { | |
ab648270 | 4813 | staticpro (&last_mouse_scroll_bar); |
55123275 | 4814 | } |
c118dd06 JB |
4815 | #endif /* ! defined (HAVE_X11) */ |
4816 | #endif /* ! defined (HAVE_X_WINDOWS) */ |