Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
12ba150f | 2 | Copyright (C) 1989, 1992, 1993 Free Software Foundation, Inc. |
dc6f92b8 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
4746118a | 8 | the Free Software Foundation; either version 2, or (at your option) |
dc6f92b8 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | /* Serious problems: | |
21 | ||
22 | Kludge: dup2 is used to put the X-connection socket into desc # 0 | |
23 | so that wait_reading_process_input will wait for it in place of | |
24 | actual terminal input. | |
25 | ||
26 | */ | |
27 | ||
d56a553a RS |
28 | #define NEW_SELECTIONS |
29 | ||
dc6f92b8 JB |
30 | #include "config.h" |
31 | ||
32 | #ifdef HAVE_X_WINDOWS | |
33 | ||
34 | #include "lisp.h" | |
9ac0d9e0 | 35 | #include "blockinput.h" |
dc6f92b8 | 36 | |
54c908b5 JB |
37 | /* On 4.3 these lose if they come after xterm.h. */ |
38 | #include <stdio.h> | |
dc6f92b8 JB |
39 | #include <signal.h> |
40 | ||
41 | /* This may include sys/types.h, and that somehow loses | |
42 | if this is not done before the other system files. */ | |
43 | #include "xterm.h" | |
f451eb13 | 44 | #include <X11/cursorfont.h> |
dc6f92b8 | 45 | |
16bd92ea | 46 | #ifndef USG |
dc6f92b8 JB |
47 | /* Load sys/types.h if not already loaded. |
48 | In some systems loading it twice is suicidal. */ | |
49 | #ifndef makedev | |
50 | #include <sys/types.h> | |
c118dd06 JB |
51 | #endif /* makedev */ |
52 | #endif /* USG */ | |
dc6f92b8 JB |
53 | |
54 | #ifdef BSD | |
55 | #include <sys/ioctl.h> | |
56 | #include <strings.h> | |
c118dd06 | 57 | #else /* ! defined (BSD) */ |
febf25d5 | 58 | #ifndef VMS |
dc6f92b8 JB |
59 | #include <sys/termio.h> |
60 | #include <string.h> | |
febf25d5 | 61 | #endif |
c118dd06 | 62 | #endif /* ! defined (BSD) */ |
dc6f92b8 JB |
63 | |
64 | /* Allow m- file to inhibit use of FIONREAD. */ | |
65 | #ifdef BROKEN_FIONREAD | |
66 | #undef FIONREAD | |
c118dd06 | 67 | #endif /* ! defined (BROKEN_FIONREAD) */ |
dc6f92b8 JB |
68 | |
69 | /* We are unable to use interrupts if FIONREAD is not available, | |
70 | so flush SIGIO so we won't try. */ | |
71 | #ifndef FIONREAD | |
72 | #ifdef SIGIO | |
73 | #undef SIGIO | |
c118dd06 JB |
74 | #endif /* ! defined (SIGIO) */ |
75 | #endif /* FIONREAD */ | |
dc6f92b8 | 76 | |
3a2712f9 | 77 | #include "systime.h" |
dc6f92b8 JB |
78 | |
79 | #include <fcntl.h> | |
dc6f92b8 JB |
80 | #include <ctype.h> |
81 | #include <errno.h> | |
82 | #include <setjmp.h> | |
83 | #include <sys/stat.h> | |
84 | #include <sys/param.h> | |
85 | ||
86 | #include "dispextern.h" | |
87 | #include "termhooks.h" | |
88 | #include "termopts.h" | |
89 | #include "termchar.h" | |
90 | #if 0 | |
91 | #include "sink.h" | |
92 | #include "sinkmask.h" | |
c118dd06 | 93 | #endif /* ! 0 */ |
dc6f92b8 | 94 | #include "gnu.h" |
f676886a | 95 | #include "frame.h" |
dc6f92b8 | 96 | #include "disptab.h" |
dc6f92b8 | 97 | #include "buffer.h" |
f451eb13 | 98 | #include "window.h" |
dc6f92b8 JB |
99 | |
100 | #ifdef HAVE_X11 | |
101 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 102 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
103 | #include <X/Xkeyboard.h> |
104 | /*#include <X/Xproto.h> */ | |
c118dd06 | 105 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
106 | |
107 | /* For sending Meta-characters. Do we need this? */ | |
108 | #define METABIT 0200 | |
109 | ||
110 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
111 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
112 | ||
113 | /* Nonzero means we must reprint all windows | |
114 | because 1) we received an ExposeWindow event | |
f451eb13 | 115 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 116 | |
f451eb13 | 117 | This is never needed under X11. */ |
dc6f92b8 JB |
118 | static int expose_all_windows; |
119 | ||
120 | /* Nonzero means we must reprint all icon windows. */ | |
121 | ||
122 | static int expose_all_icons; | |
123 | ||
124 | #ifndef HAVE_X11 | |
125 | /* ExposeRegion events, when received, are copied into this queue | |
126 | for later processing. */ | |
127 | ||
128 | static struct event_queue x_expose_queue; | |
129 | ||
130 | /* ButtonPressed and ButtonReleased events, when received, | |
131 | are copied into this queue for later processing. */ | |
132 | ||
133 | struct event_queue x_mouse_queue; | |
c118dd06 | 134 | #endif /* HAVE_X11 */ |
dc6f92b8 | 135 | |
dc6f92b8 JB |
136 | #if defined (SIGIO) && defined (FIONREAD) |
137 | int BLOCK_INPUT_mask; | |
c118dd06 | 138 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 139 | |
dc6f92b8 JB |
140 | /* The id of a bitmap used for icon windows. |
141 | One such map is shared by all Emacs icon windows. | |
142 | This is zero if we have not yet had a need to create the bitmap. */ | |
143 | ||
144 | static Bitmap icon_bitmap; | |
145 | ||
146 | /* Font used for text icons. */ | |
147 | ||
148 | static FONT_TYPE *icon_font_info; | |
149 | ||
150 | /* Stuff for dealing with the main icon title. */ | |
151 | ||
152 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 153 | char *hostname, *x_id_name; |
dc6f92b8 JB |
154 | |
155 | /* This is the X connection that we are using. */ | |
156 | ||
157 | Display *x_current_display; | |
158 | ||
ab648270 JB |
159 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
160 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 161 | |
987d2ad1 | 162 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 163 | This is set by update_begin and looked at by all the |
dc6f92b8 | 164 | XT functions. It is zero while not inside an update. |
f676886a JB |
165 | In that case, the XT functions assume that `selected_frame' |
166 | is the frame to apply to. */ | |
d0386f2a | 167 | extern struct frame *updating_frame; |
dc6f92b8 | 168 | |
f676886a | 169 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
170 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
171 | that a mere EnterNotify event can set this; if you need to know the | |
172 | last frame specified in a FocusIn or FocusOut event, use | |
173 | x_focus_event_frame. */ | |
f676886a | 174 | struct frame *x_focus_frame; |
dc6f92b8 | 175 | |
f451eb13 JB |
176 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
177 | separate from x_focus_frame, because whether or not LeaveNotify | |
178 | events cause us to lose focus depends on whether or not we have | |
179 | received a FocusIn event for it. */ | |
180 | struct frame *x_focus_event_frame; | |
181 | ||
f676886a JB |
182 | /* The frame which currently has the visual highlight, and should get |
183 | keyboard input (other sorts of input have the frame encoded in the | |
184 | event). It points to the X focus frame's selected window's | |
185 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 186 | minibuffer. */ |
f676886a | 187 | static struct frame *x_highlight_frame; |
6d4238f3 | 188 | |
dc6f92b8 | 189 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 190 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
191 | |
192 | static int warp_mouse_on_deiconify; | |
193 | ||
194 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
195 | ||
196 | static int flexlines; | |
197 | ||
198 | /* During an update, nonzero if chars output now should be highlighted. */ | |
199 | ||
200 | static int highlight; | |
201 | ||
202 | /* Nominal cursor position -- where to draw output. | |
203 | During an update, these are different from the cursor-box position. */ | |
204 | ||
205 | static int curs_x; | |
206 | static int curs_y; | |
207 | ||
208 | #ifdef HAVE_X11 | |
209 | /* `t' if a mouse button is depressed. */ | |
210 | ||
211 | extern Lisp_Object Vmouse_depressed; | |
212 | ||
213 | /* Tells if a window manager is present or not. */ | |
214 | ||
215 | extern Lisp_Object Vx_no_window_manager; | |
216 | ||
217 | /* Timestamp that we requested selection data was made. */ | |
218 | extern Time requestor_time; | |
219 | ||
220 | /* ID of the window requesting selection data. */ | |
221 | extern Window requestor_window; | |
222 | ||
223 | /* Nonzero enables some debugging for the X interface code. */ | |
224 | extern int _Xdebug; | |
225 | ||
c118dd06 | 226 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
227 | |
228 | /* Bit patterns for the mouse cursor. */ | |
229 | ||
230 | short MouseCursor[] = { | |
231 | 0x0000, 0x0008, 0x0018, 0x0038, | |
232 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
233 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
234 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
235 | ||
236 | short MouseMask[] = { | |
237 | 0x000c, 0x001c, 0x003c, 0x007c, | |
238 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
239 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
240 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
241 | ||
242 | static short grey_bits[] = { | |
243 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
244 | ||
245 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 246 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
247 | |
248 | /* From time to time we get info on an Emacs window, here. */ | |
249 | ||
250 | static WINDOWINFO_TYPE windowinfo; | |
251 | ||
252 | extern int errno; | |
253 | ||
dfeccd2d | 254 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
255 | extern int extra_keyboard_modifiers; |
256 | ||
dc6f92b8 JB |
257 | extern Display *XOpenDisplay (); |
258 | extern Window XCreateWindow (); | |
259 | ||
260 | extern Cursor XCreateCursor (); | |
261 | extern FONT_TYPE *XOpenFont (); | |
262 | ||
263 | static void flashback (); | |
264 | ||
265 | #ifndef HAVE_X11 | |
266 | static void dumpqueue (); | |
c118dd06 | 267 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
268 | |
269 | void dumpborder (); | |
4746118a JB |
270 | static int XTcursor_to (); |
271 | static int XTclear_end_of_line (); | |
16bd92ea JB |
272 | |
273 | \f | |
f451eb13 JB |
274 | /* Starting and ending updates. |
275 | ||
276 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
277 | of a frame update. We record in `updating_frame' the identity |
278 | of the frame being updated, so that the XT... functions do not | |
279 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 JB |
280 | should never be called except during an update, the only exceptions |
281 | being XTcursor_to, XTwrite_char and XTreassert_line_highlight. */ | |
282 | ||
283 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
284 | ||
285 | static | |
f676886a JB |
286 | XTupdate_begin (f) |
287 | struct frame *f; | |
dc6f92b8 JB |
288 | { |
289 | int mask; | |
290 | ||
f676886a | 291 | if (f == 0) |
dc6f92b8 JB |
292 | abort (); |
293 | ||
f676886a | 294 | flexlines = f->height; |
dc6f92b8 JB |
295 | highlight = 0; |
296 | ||
dc6f92b8 JB |
297 | BLOCK_INPUT; |
298 | #ifndef HAVE_X11 | |
299 | dumpqueue (); | |
c118dd06 | 300 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
301 | UNBLOCK_INPUT; |
302 | } | |
303 | ||
f451eb13 | 304 | #ifndef HAVE_X11 |
dc6f92b8 | 305 | static void x_do_pending_expose (); |
f451eb13 | 306 | #endif |
dc6f92b8 JB |
307 | |
308 | static | |
f676886a JB |
309 | XTupdate_end (f) |
310 | struct frame *f; | |
dc6f92b8 JB |
311 | { |
312 | int mask; | |
313 | ||
f676886a JB |
314 | if (updating_frame == 0 |
315 | || updating_frame != f) | |
dc6f92b8 JB |
316 | abort (); |
317 | ||
318 | BLOCK_INPUT; | |
319 | #ifndef HAVE_X11 | |
320 | dumpqueue (); | |
dc6f92b8 | 321 | x_do_pending_expose (); |
f451eb13 | 322 | #endif /* HAVE_X11 */ |
dc6f92b8 | 323 | |
f676886a | 324 | x_display_cursor (f, 1); |
dc6f92b8 | 325 | |
dc6f92b8 JB |
326 | XFlushQueue (); |
327 | UNBLOCK_INPUT; | |
328 | } | |
329 | \f | |
330 | /* External interface to control of standout mode. | |
331 | Call this when about to modify line at position VPOS | |
332 | and not change whether it is highlighted. */ | |
333 | ||
334 | XTreassert_line_highlight (new, vpos) | |
335 | int new, vpos; | |
336 | { | |
337 | highlight = new; | |
338 | } | |
339 | ||
340 | /* Call this when about to modify line at position VPOS | |
341 | and change whether it is highlighted. */ | |
342 | ||
343 | static | |
344 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
345 | int new_highlight, vpos, first_unused_hpos; | |
346 | { | |
347 | highlight = new_highlight; | |
348 | XTcursor_to (vpos, 0); | |
f676886a | 349 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
350 | } |
351 | ||
352 | /* This is used when starting Emacs and when restarting after suspend. | |
353 | When starting Emacs, no X window is mapped. And nothing must be done | |
354 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
355 | ||
356 | static | |
357 | XTset_terminal_modes () | |
358 | { | |
359 | } | |
360 | ||
361 | /* This is called when exiting or suspending Emacs. | |
362 | Exiting will make the X-windows go away, and suspending | |
363 | requires no action. */ | |
364 | ||
365 | static | |
366 | XTreset_terminal_modes () | |
367 | { | |
f676886a | 368 | /* XTclear_frame (); */ |
dc6f92b8 JB |
369 | } |
370 | \f | |
f451eb13 JB |
371 | /* Set the nominal cursor position of the frame. |
372 | This is where display update commands will take effect. | |
dc6f92b8 JB |
373 | This does not affect the place where the cursor-box is displayed. */ |
374 | ||
4746118a | 375 | static int |
dc6f92b8 JB |
376 | XTcursor_to (row, col) |
377 | register int row, col; | |
378 | { | |
379 | int mask; | |
380 | int orow = row; | |
381 | ||
382 | curs_x = col; | |
383 | curs_y = row; | |
384 | ||
f676886a | 385 | if (updating_frame == 0) |
dc6f92b8 JB |
386 | { |
387 | BLOCK_INPUT; | |
f676886a | 388 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
389 | XFlushQueue (); |
390 | UNBLOCK_INPUT; | |
391 | } | |
392 | } | |
393 | \f | |
394 | /* Display a sequence of N glyphs found at GP. | |
395 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
396 | HL is 1 if this text is highlighted, 2 if the cursor is on it. | |
397 | ||
07e34cb0 | 398 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 399 | |
07e34cb0 JB |
400 | Since the display generation code is responsible for calling |
401 | compute_char_face and compute_glyph_face on everything it puts in | |
402 | the display structure, we can assume that the face code on each | |
403 | glyph is a valid index into FRAME_FACES (f), and the one to which | |
404 | we can actually apply intern_face. */ | |
dc6f92b8 | 405 | |
07e34cb0 JB |
406 | #if 1 |
407 | /* This is the multi-face code. */ | |
dc6f92b8 | 408 | |
dc6f92b8 | 409 | static void |
07e34cb0 | 410 | dumpglyphs (f, left, top, gp, n, hl) |
f676886a | 411 | struct frame *f; |
dc6f92b8 JB |
412 | int left, top; |
413 | register GLYPH *gp; /* Points to first GLYPH. */ | |
414 | register int n; /* Number of glyphs to display. */ | |
415 | int hl; | |
dc6f92b8 | 416 | { |
07e34cb0 JB |
417 | /* Holds characters to be displayed. */ |
418 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
419 | register char *cp; /* Steps through buf[]. */ |
420 | register int tlen = GLYPH_TABLE_LENGTH; | |
421 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 422 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 423 | |
07e34cb0 JB |
424 | extern struct face *intern_face (/* FRAME_PTR, struct face * */); |
425 | ||
426 | while (n > 0) | |
dc6f92b8 JB |
427 | { |
428 | /* Get the face-code of the next GLYPH. */ | |
429 | int cf, len; | |
430 | int g = *gp; | |
431 | ||
07e34cb0 JB |
432 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
433 | cf = GLYPH_FACE (g); | |
dc6f92b8 JB |
434 | |
435 | /* Find the run of consecutive glyphs with the same face-code. | |
436 | Extract their character codes into BUF. */ | |
437 | cp = buf; | |
438 | while (n > 0) | |
439 | { | |
440 | g = *gp; | |
07e34cb0 JB |
441 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
442 | if (GLYPH_FACE (g) != cf) | |
dc6f92b8 JB |
443 | break; |
444 | ||
07e34cb0 | 445 | *cp++ = GLYPH_CHAR (g); |
dc6f92b8 JB |
446 | --n; |
447 | ++gp; | |
448 | } | |
449 | ||
450 | /* LEN gets the length of the run. */ | |
451 | len = cp - buf; | |
452 | ||
453 | /* Now output this run of chars, with the font and pixel values | |
454 | determined by the face code CF. */ | |
07e34cb0 JB |
455 | { |
456 | struct face *face = FRAME_DEFAULT_FACE (f); | |
457 | FONT_TYPE *font = FACE_FONT (face); | |
458 | GC gc = FACE_GC (face); | |
b73b6aaf RS |
459 | int defaulted = 1; |
460 | int gc_temporary = 0; | |
07e34cb0 | 461 | |
b73b6aaf RS |
462 | /* First look at the face of the text itself. */ |
463 | if (cf != 0) | |
07e34cb0 JB |
464 | { |
465 | /* The face codes on the glyphs must be valid indices into the | |
466 | frame's face table. */ | |
467 | if (cf < 0 || cf >= FRAME_N_FACES (f)) | |
468 | abort (); | |
469 | ||
470 | if (cf == 1) | |
471 | face = FRAME_MODE_LINE_FACE (f); | |
472 | else | |
4a4dc352 | 473 | face = intern_face (f, FRAME_FACES (f) [cf]); |
07e34cb0 JB |
474 | font = FACE_FONT (face); |
475 | gc = FACE_GC (face); | |
b73b6aaf | 476 | defaulted = 0; |
07e34cb0 | 477 | } |
4a4dc352 JB |
478 | |
479 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
480 | else if (hl == 0) |
481 | ; | |
482 | else if (hl == 1) | |
483 | { | |
484 | face = FRAME_MODE_LINE_FACE (f); | |
485 | font = FACE_FONT (face); | |
486 | gc = FACE_GC (face); | |
b73b6aaf RS |
487 | defaulted = 0; |
488 | } | |
489 | ||
490 | #define FACE_DEFAULT (~0) | |
491 | ||
492 | /* Now override that if the cursor's on this character. */ | |
493 | if (hl == 2 && (defaulted | |
494 | || !(face->font && (int) face->font != FACE_DEFAULT))) | |
495 | { | |
496 | gc = f->display.x->cursor_gc; | |
497 | } | |
498 | /* Cursor on non-default face: must merge. */ | |
499 | else if (hl == 2) | |
500 | { | |
501 | XGCValues xgcv; | |
502 | unsigned long mask; | |
503 | ||
504 | xgcv.background = f->display.x->cursor_pixel; | |
505 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
506 | xgcv.font = face->font->fid; | |
507 | xgcv.graphics_exposures = 0; | |
508 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
509 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
510 | mask, &xgcv); | |
511 | #if 0 | |
512 | if (face->stipple && face->stipple != FACE_DEFAULT) | |
513 | XSetStipple (x_current_display, gc, face->stipple); | |
514 | #endif | |
515 | gc_temporary = 1; | |
07e34cb0 | 516 | } |
07e34cb0 JB |
517 | |
518 | XDrawImageString (x_current_display, window, gc, | |
519 | left, top + FONT_BASE (font), buf, len); | |
07e34cb0 | 520 | |
b73b6aaf RS |
521 | if (gc_temporary) |
522 | XFreeGC (x_current_display, gc); | |
523 | ||
07e34cb0 JB |
524 | /* We should probably check for XA_UNDERLINE_POSITION and |
525 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
526 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 527 | { |
4a4dc352 | 528 | int underline_position = 1; |
07e34cb0 | 529 | |
4a4dc352 JB |
530 | if (font->descent <= underline_position) |
531 | underline_position = font->descent - 1; | |
07e34cb0 JB |
532 | |
533 | if (face->underline) | |
534 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
535 | FACE_GC (face), | |
536 | left, (top | |
537 | + FONT_BASE (font) | |
538 | + underline_position), | |
539 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 540 | } |
07e34cb0 JB |
541 | |
542 | left += len * FONT_WIDTH (font); | |
543 | } | |
dc6f92b8 JB |
544 | } |
545 | } | |
07e34cb0 JB |
546 | #endif /* 1 */ |
547 | ||
548 | #if 0 | |
549 | /* This is the old single-face code. */ | |
550 | ||
551 | static void | |
552 | dumpglyphs (f, left, top, gp, n, hl, font) | |
553 | struct frame *f; | |
554 | int left, top; | |
555 | register GLYPH *gp; /* Points to first GLYPH. */ | |
556 | register int n; /* Number of glyphs to display. */ | |
557 | int hl; | |
558 | FONT_TYPE *font; | |
559 | { | |
560 | register int len; | |
561 | Window window = FRAME_X_WINDOW (f); | |
562 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
563 | : (hl ? f->display.x->reverse_gc | |
564 | : f->display.x->normal_gc)); | |
565 | ||
566 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
567 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
568 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
569 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
570 | XDrawImageString (x_current_display, window, drawing_gc, | |
571 | left, top + FONT_BASE (font), (char *) gp, n); | |
572 | else | |
573 | /* What size of glyph ARE you using? And does X have a function to | |
574 | draw them? */ | |
575 | abort (); | |
576 | } | |
577 | #endif | |
dc6f92b8 | 578 | \f |
f451eb13 JB |
579 | /* Output some text at the nominal frame cursor position. |
580 | Advance the cursor over the text. | |
dc6f92b8 JB |
581 | Output LEN glyphs at START. |
582 | ||
583 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
584 | controls the pixel values used for foreground and background. */ | |
585 | ||
586 | static | |
587 | XTwrite_glyphs (start, len) | |
588 | register GLYPH *start; | |
589 | int len; | |
590 | { | |
591 | register int temp_length; | |
592 | int mask; | |
f676886a | 593 | struct frame *f; |
dc6f92b8 JB |
594 | |
595 | BLOCK_INPUT; | |
596 | ||
f676886a JB |
597 | f = updating_frame; |
598 | if (f == 0) | |
dc6f92b8 | 599 | { |
f676886a | 600 | f = selected_frame; |
dc6f92b8 | 601 | /* If not within an update, |
f676886a JB |
602 | output at the frame's visible cursor. */ |
603 | curs_x = f->cursor_x; | |
604 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
605 | } |
606 | ||
f676886a | 607 | dumpglyphs (f, |
12ba150f JB |
608 | CHAR_TO_PIXEL_COL (f, curs_x), |
609 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
07e34cb0 | 610 | start, len, highlight); |
90e65f07 JB |
611 | |
612 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
613 | if (curs_y == f->phys_cursor_y |
614 | && curs_x <= f->phys_cursor_x | |
615 | && curs_x + len > f->phys_cursor_x) | |
616 | f->phys_cursor_x = -1; | |
dc6f92b8 | 617 | |
f676886a | 618 | if (updating_frame == 0) |
dc6f92b8 | 619 | { |
f676886a JB |
620 | f->cursor_x += len; |
621 | x_display_cursor (f, 1); | |
622 | f->cursor_x -= len; | |
dc6f92b8 JB |
623 | } |
624 | else | |
625 | curs_x += len; | |
626 | ||
627 | UNBLOCK_INPUT; | |
628 | } | |
629 | \f | |
f451eb13 JB |
630 | /* Clear to the end of the line. |
631 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
632 | to column FIRST_UNUSED (exclusive). The idea is that everything |
633 | from FIRST_UNUSED onward is already erased. */ | |
634 | ||
4746118a | 635 | static int |
dc6f92b8 JB |
636 | XTclear_end_of_line (first_unused) |
637 | register int first_unused; | |
638 | { | |
f676886a | 639 | struct frame *f = updating_frame; |
dc6f92b8 JB |
640 | int mask; |
641 | ||
f676886a | 642 | if (f == 0) |
dc6f92b8 JB |
643 | abort (); |
644 | ||
f676886a | 645 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
646 | return; |
647 | if (first_unused <= 0) | |
648 | return; | |
649 | ||
f676886a JB |
650 | if (first_unused >= f->width) |
651 | first_unused = f->width; | |
dc6f92b8 JB |
652 | |
653 | BLOCK_INPUT; | |
654 | ||
90e65f07 | 655 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
656 | if (curs_y == f->phys_cursor_y |
657 | && curs_x <= f->phys_cursor_x | |
658 | && f->phys_cursor_x < first_unused) | |
659 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
660 | |
661 | #ifdef HAVE_X11 | |
c118dd06 | 662 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
663 | CHAR_TO_PIXEL_COL (f, curs_x), |
664 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
665 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
666 | FONT_HEIGHT (f->display.x->font), False); | |
dc6f92b8 | 667 | |
c118dd06 JB |
668 | #else /* ! defined (HAVE_X11) */ |
669 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
670 | CHAR_TO_PIXEL_COL (f, curs_x), |
671 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
672 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
673 | FONT_HEIGHT (f->display.x->font), | |
674 | f->display.x->background_pixel); | |
c118dd06 | 675 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
676 | |
677 | UNBLOCK_INPUT; | |
678 | } | |
679 | ||
680 | static | |
f676886a | 681 | XTclear_frame () |
dc6f92b8 JB |
682 | { |
683 | int mask; | |
f676886a | 684 | struct frame *f = updating_frame; |
dc6f92b8 | 685 | |
f676886a JB |
686 | if (f == 0) |
687 | f = selected_frame; | |
dc6f92b8 | 688 | |
f676886a | 689 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
690 | curs_x = 0; /* Nominal cursor position is top left. */ |
691 | curs_y = 0; | |
692 | ||
693 | BLOCK_INPUT; | |
dbc4e1c1 | 694 | |
c118dd06 | 695 | XClear (FRAME_X_WINDOW (f)); |
dbc4e1c1 | 696 | |
ab648270 | 697 | /* We have to clear the scroll bars, too. If we have changed |
dbc4e1c1 | 698 | colors or something like that, then they should be notified. */ |
ab648270 | 699 | x_scroll_bar_clear (f); |
dbc4e1c1 | 700 | |
dc6f92b8 | 701 | #ifndef HAVE_X11 |
f676886a | 702 | dumpborder (f, 0); |
c118dd06 | 703 | #endif /* HAVE_X11 */ |
dbc4e1c1 | 704 | |
dc6f92b8 JB |
705 | XFlushQueue (); |
706 | UNBLOCK_INPUT; | |
707 | } | |
708 | \f | |
dbc4e1c1 JB |
709 | /* Invert the middle quarter of the frame for .15 sec. */ |
710 | ||
711 | /* We use the select system call to do the waiting, so we have to make sure | |
712 | it's avaliable. If it isn't, we just won't do visual bells. */ | |
713 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) | |
714 | ||
715 | /* Subtract the `struct timeval' values X and Y, | |
716 | storing the result in RESULT. | |
717 | Return 1 if the difference is negative, otherwise 0. */ | |
718 | ||
719 | static int | |
720 | timeval_subtract (result, x, y) | |
721 | struct timeval *result, x, y; | |
722 | { | |
723 | /* Perform the carry for the later subtraction by updating y. | |
724 | This is safer because on some systems | |
725 | the tv_sec member is unsigned. */ | |
726 | if (x.tv_usec < y.tv_usec) | |
727 | { | |
728 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
729 | y.tv_usec -= 1000000 * nsec; | |
730 | y.tv_sec += nsec; | |
731 | } | |
732 | if (x.tv_usec - y.tv_usec > 1000000) | |
733 | { | |
734 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
735 | y.tv_usec += 1000000 * nsec; | |
736 | y.tv_sec -= nsec; | |
737 | } | |
738 | ||
739 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
740 | result->tv_sec = x.tv_sec - y.tv_sec; | |
741 | result->tv_usec = x.tv_usec - y.tv_usec; | |
742 | ||
743 | /* Return indication of whether the result should be considered negative. */ | |
744 | return x.tv_sec < y.tv_sec; | |
745 | } | |
dc6f92b8 | 746 | |
f676886a JB |
747 | XTflash (f) |
748 | struct frame *f; | |
dc6f92b8 | 749 | { |
dbc4e1c1 | 750 | BLOCK_INPUT; |
dc6f92b8 | 751 | |
dbc4e1c1 JB |
752 | { |
753 | GC gc; | |
dc6f92b8 | 754 | |
dbc4e1c1 JB |
755 | /* Create a GC that will use the GXxor function to flip foreground pixels |
756 | into background pixels. */ | |
757 | { | |
758 | XGCValues values; | |
dc6f92b8 | 759 | |
dbc4e1c1 JB |
760 | values.function = GXxor; |
761 | values.foreground = (f->display.x->foreground_pixel | |
762 | ^ f->display.x->background_pixel); | |
763 | ||
764 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
765 | GCFunction | GCForeground, &values); | |
766 | } | |
dc6f92b8 | 767 | |
dbc4e1c1 JB |
768 | { |
769 | int width = PIXEL_WIDTH (f); | |
770 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 771 | |
dbc4e1c1 JB |
772 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
773 | width/4, height/4, width/2, height/2); | |
774 | XFlush (x_current_display); | |
dc6f92b8 | 775 | |
dbc4e1c1 JB |
776 | { |
777 | struct timeval wakeup, now; | |
dc6f92b8 | 778 | |
dbc4e1c1 | 779 | gettimeofday (&wakeup, (struct timezone *) 0); |
dc6f92b8 | 780 | |
dbc4e1c1 JB |
781 | /* Compute time to wait until, propagating carry from usecs. */ |
782 | wakeup.tv_usec += 150000; | |
783 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
784 | wakeup.tv_usec %= 1000000; | |
785 | ||
786 | /* Keep waiting until past the time wakeup. */ | |
787 | while (1) | |
788 | { | |
789 | struct timeval timeout; | |
790 | ||
791 | gettimeofday (&timeout, (struct timezone *)0); | |
792 | ||
793 | /* In effect, timeout = wakeup - timeout. | |
794 | Break if result would be negative. */ | |
795 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
796 | break; | |
797 | ||
798 | /* Try to wait that long--but we might wake up sooner. */ | |
799 | select (0, 0, 0, 0, &timeout); | |
800 | } | |
801 | } | |
802 | ||
803 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
804 | width/4, height/4, width/2, height/2); | |
805 | XFreeGC (x_current_display, gc); | |
806 | XFlush (x_current_display); | |
dc6f92b8 | 807 | } |
dbc4e1c1 JB |
808 | } |
809 | ||
810 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
811 | } |
812 | ||
dbc4e1c1 JB |
813 | #endif |
814 | ||
815 | ||
dc6f92b8 JB |
816 | /* Make audible bell. */ |
817 | ||
818 | #ifdef HAVE_X11 | |
819 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 820 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 821 | #define XRINGBELL XFeep(0); |
c118dd06 | 822 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
823 | |
824 | XTring_bell () | |
825 | { | |
dbc4e1c1 | 826 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 827 | if (visible_bell) |
f676886a | 828 | XTflash (selected_frame); |
dc6f92b8 | 829 | else |
dbc4e1c1 | 830 | #endif |
dc6f92b8 JB |
831 | { |
832 | BLOCK_INPUT; | |
833 | XRINGBELL; | |
834 | XFlushQueue (); | |
835 | UNBLOCK_INPUT; | |
836 | } | |
837 | } | |
838 | \f | |
f451eb13 JB |
839 | /* Insert and delete character. |
840 | These are not supposed to be used because we are supposed to turn | |
841 | off the feature of using them. */ | |
dc6f92b8 JB |
842 | |
843 | static | |
844 | XTinsert_glyphs (start, len) | |
845 | register char *start; | |
846 | register int len; | |
847 | { | |
848 | abort (); | |
849 | } | |
850 | ||
851 | static | |
852 | XTdelete_glyphs (n) | |
853 | register int n; | |
854 | { | |
855 | abort (); | |
856 | } | |
857 | \f | |
858 | /* Specify how many text lines, from the top of the window, | |
859 | should be affected by insert-lines and delete-lines operations. | |
860 | This, and those operations, are used only within an update | |
861 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
862 | ||
863 | static | |
864 | XTset_terminal_window (n) | |
865 | register int n; | |
866 | { | |
f676886a | 867 | if (updating_frame == 0) |
dc6f92b8 JB |
868 | abort (); |
869 | ||
f676886a JB |
870 | if ((n <= 0) || (n > updating_frame->height)) |
871 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
872 | else |
873 | flexlines = n; | |
874 | } | |
875 | \f | |
f451eb13 JB |
876 | /* Perform an insert-lines operation. |
877 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
878 | |
879 | static void | |
880 | stufflines (n) | |
881 | register int n; | |
882 | { | |
883 | register int topregion, bottomregion; | |
884 | register int length, newtop, mask; | |
f676886a JB |
885 | register struct frame *f = updating_frame; |
886 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
887 | |
888 | if (curs_y >= flexlines) | |
889 | return; | |
890 | ||
891 | topregion = curs_y; | |
892 | bottomregion = flexlines - (n + 1); | |
893 | newtop = topregion + n; | |
894 | length = (bottomregion - topregion) + 1; | |
895 | ||
896 | #ifndef HAVE_X11 | |
897 | dumpqueue (); | |
c118dd06 | 898 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
899 | |
900 | if ((length > 0) && (newtop <= flexlines)) | |
901 | { | |
902 | #ifdef HAVE_X11 | |
c118dd06 JB |
903 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
904 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 905 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
906 | f->width * FONT_WIDTH (f->display.x->font), |
907 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 908 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
909 | #else /* ! defined (HAVE_X11) */ |
910 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
911 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
912 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
913 | f->width * FONT_WIDTH (f->display.x->font), |
914 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
915 | /* Now we must process any ExposeRegion events that occur |
916 | if the area being copied from is obscured. | |
917 | We can't let it wait because further i/d operations | |
918 | may want to copy this area to another area. */ | |
919 | x_read_exposes (); | |
c118dd06 | 920 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
921 | } |
922 | ||
923 | newtop = min (newtop, (flexlines - 1)); | |
924 | length = newtop - topregion; | |
925 | if (length > 0) | |
926 | { | |
927 | #ifdef HAVE_X11 | |
c118dd06 | 928 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 929 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
930 | f->width * FONT_WIDTH (f->display.x->font), |
931 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
932 | #else /* ! defined (HAVE_X11) */ |
933 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 934 | intborder, |
12ba150f | 935 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
936 | f->width * FONT_WIDTH (f->display.x->font), |
937 | n * FONT_HEIGHT (f->display.x->font), | |
938 | f->display.x->background_pixel); | |
c118dd06 | 939 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
940 | } |
941 | } | |
942 | ||
943 | /* Perform a delete-lines operation, deleting N lines | |
944 | at a vertical position curs_y. */ | |
945 | ||
946 | static void | |
947 | scraplines (n) | |
948 | register int n; | |
949 | { | |
950 | int mask; | |
f676886a JB |
951 | register struct frame *f = updating_frame; |
952 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
953 | |
954 | if (curs_y >= flexlines) | |
955 | return; | |
956 | ||
957 | #ifndef HAVE_X11 | |
958 | dumpqueue (); | |
c118dd06 | 959 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
960 | |
961 | if ((curs_y + n) >= flexlines) | |
962 | { | |
963 | if (flexlines >= (curs_y + 1)) | |
964 | { | |
965 | #ifdef HAVE_X11 | |
c118dd06 | 966 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 967 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
968 | f->width * FONT_WIDTH (f->display.x->font), |
969 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
970 | #else /* ! defined (HAVE_X11) */ |
971 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 972 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
973 | f->width * FONT_WIDTH (f->display.x->font), |
974 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
975 | f->display.x->background_pixel); | |
c118dd06 | 976 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
977 | } |
978 | } | |
979 | else | |
980 | { | |
981 | #ifdef HAVE_X11 | |
c118dd06 JB |
982 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
983 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 984 | intborder, |
12ba150f | 985 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
986 | f->width * FONT_WIDTH (f->display.x->font), |
987 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 988 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 989 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 990 | intborder, |
12ba150f | 991 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
992 | f->width * FONT_WIDTH (f->display.x->font), |
993 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
994 | #else /* ! defined (HAVE_X11) */ |
995 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 996 | intborder, |
12ba150f JB |
997 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
998 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
999 | f->width * FONT_WIDTH (f->display.x->font), |
1000 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
1001 | /* Now we must process any ExposeRegion events that occur |
1002 | if the area being copied from is obscured. | |
1003 | We can't let it wait because further i/d operations | |
1004 | may want to copy this area to another area. */ | |
1005 | x_read_exposes (); | |
c118dd06 | 1006 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 1007 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
1008 | f->width * FONT_WIDTH (f->display.x->font), |
1009 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 1010 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1011 | } |
1012 | } | |
1013 | ||
1014 | /* Perform an insert-lines or delete-lines operation, | |
1015 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1016 | ||
1017 | XTins_del_lines (vpos, n) | |
1018 | int vpos, n; | |
1019 | { | |
f676886a | 1020 | if (updating_frame == 0) |
dc6f92b8 JB |
1021 | abort (); |
1022 | ||
90e65f07 | 1023 | /* Hide the cursor. */ |
f676886a | 1024 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1025 | |
1026 | XTcursor_to (vpos, 0); | |
1027 | ||
1028 | BLOCK_INPUT; | |
1029 | if (n >= 0) | |
1030 | stufflines (n); | |
1031 | else | |
1032 | scraplines (-n); | |
1033 | XFlushQueue (); | |
1034 | UNBLOCK_INPUT; | |
1035 | } | |
1036 | \f | |
f451eb13 | 1037 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1038 | static void clear_cursor (); |
1039 | ||
f676886a JB |
1040 | /* Output into a rectangle of an X-window (for frame F) |
1041 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
1042 | TOP and LEFT are the position of the upper left corner of the rectangle. |
1043 | ROWS and COLS are the size of the rectangle. */ | |
1044 | ||
1045 | static void | |
f676886a JB |
1046 | dumprectangle (f, left, top, cols, rows) |
1047 | struct frame *f; | |
dc6f92b8 JB |
1048 | register int left, top, cols, rows; |
1049 | { | |
f676886a | 1050 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1051 | int cursor_cleared = 0; |
1052 | int bottom, right; | |
1053 | register int y; | |
1054 | ||
f676886a | 1055 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1056 | return; |
1057 | ||
dc6f92b8 JB |
1058 | /* Express rectangle as four edges, instead of position-and-size. */ |
1059 | bottom = top + rows; | |
1060 | right = left + cols; | |
1061 | ||
1062 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1063 | { |
1064 | int intborder = f->display.x->internal_border_width; | |
1065 | ||
1066 | /* If the rectangle includes any of the internal border area, | |
1067 | redisplay the border emphasis. */ | |
1068 | if (top < intborder || left < intborder | |
1069 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1070 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1071 | dumpborder (f, 0); | |
1072 | } | |
c118dd06 | 1073 | #endif /* HAVE_X11 /* Window manger does this for X11. */ */ |
dc6f92b8 JB |
1074 | |
1075 | /* Convert rectangle edges in pixels to edges in chars. | |
1076 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1077 | top = PIXEL_TO_CHAR_ROW (f, top); |
1078 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1079 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1080 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1081 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1082 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1083 | |
1084 | /* Clip the rectangle to what can be visible. */ | |
1085 | if (left < 0) | |
1086 | left = 0; | |
1087 | if (top < 0) | |
1088 | top = 0; | |
f676886a JB |
1089 | if (right > f->width) |
1090 | right = f->width; | |
1091 | if (bottom > f->height) | |
1092 | bottom = f->height; | |
dc6f92b8 JB |
1093 | |
1094 | /* Get size in chars of the rectangle. */ | |
1095 | cols = right - left; | |
1096 | rows = bottom - top; | |
1097 | ||
1098 | /* If rectangle has zero area, return. */ | |
1099 | if (rows <= 0) return; | |
1100 | if (cols <= 0) return; | |
1101 | ||
1102 | /* Turn off the cursor if it is in the rectangle. | |
1103 | We will turn it back on afterward. */ | |
f676886a JB |
1104 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1105 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1106 | { |
f676886a | 1107 | clear_cursor (f); |
dc6f92b8 JB |
1108 | cursor_cleared = 1; |
1109 | } | |
1110 | ||
1111 | /* Display the text in the rectangle, one text line at a time. */ | |
1112 | ||
1113 | for (y = top; y < bottom; y++) | |
1114 | { | |
f676886a | 1115 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1116 | |
f676886a | 1117 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1118 | continue; |
1119 | ||
f676886a | 1120 | dumpglyphs (f, |
12ba150f JB |
1121 | CHAR_TO_PIXEL_COL (f, left), |
1122 | CHAR_TO_PIXEL_ROW (f, y), | |
1123 | line, min (cols, active_frame->used[y] - left), | |
07e34cb0 | 1124 | active_frame->highlight[y]); |
dc6f92b8 JB |
1125 | } |
1126 | ||
1127 | /* Turn the cursor on if we turned it off. */ | |
1128 | ||
1129 | if (cursor_cleared) | |
f676886a | 1130 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1131 | } |
1132 | ||
1133 | #ifndef HAVE_X11 | |
1134 | /* Process all queued ExposeRegion events. */ | |
1135 | ||
1136 | static void | |
1137 | dumpqueue () | |
1138 | { | |
1139 | register int i; | |
1140 | XExposeRegionEvent r; | |
1141 | ||
1142 | while (dequeue_event (&r, &x_expose_queue)) | |
1143 | { | |
f676886a JB |
1144 | struct frame *f = x_window_to_frame (r.window); |
1145 | if (f->display.x->icon_desc == r.window) | |
1146 | refreshicon (f); | |
dc6f92b8 | 1147 | else |
f676886a | 1148 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1149 | } |
1150 | XFlushQueue (); | |
1151 | } | |
c118dd06 | 1152 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1153 | \f |
f451eb13 | 1154 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1155 | Redraws the cursor if necessary on any frame that |
1156 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1157 | |
f451eb13 | 1158 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1159 | static void |
1160 | x_do_pending_expose () | |
1161 | { | |
1162 | int mask; | |
f676886a JB |
1163 | struct frame *f; |
1164 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1165 | |
1166 | if (expose_all_windows) | |
1167 | { | |
1168 | expose_all_windows = 0; | |
f676886a | 1169 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1170 | { |
1171 | register int temp_width, temp_height; | |
1172 | int intborder; | |
1173 | ||
f676886a | 1174 | frame = XCONS (tail)->car; |
ab648270 | 1175 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1176 | continue; |
f676886a | 1177 | f = XFRAME (frame); |
b1c884c3 | 1178 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1179 | continue; |
3a88c238 | 1180 | if (!f->async_visible) |
dc6f92b8 | 1181 | continue; |
f676886a | 1182 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1183 | continue; |
1184 | ||
f676886a | 1185 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1186 | |
f676886a | 1187 | clear_cursor (f); |
c118dd06 | 1188 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1189 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1190 | - f->display.x->v_scroll_bar_width) |
f676886a | 1191 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1192 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1193 | - f->display.x->h_scroll_bar_height) |
f676886a JB |
1194 | / FONT_HEIGHT (f->display.x->font)); |
1195 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1196 | { |
f676886a | 1197 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1198 | max (1, temp_width), 0, 1); |
ab648270 | 1199 | x_resize_scroll_bars (f); |
dc6f92b8 | 1200 | } |
f676886a JB |
1201 | f->display.x->left_pos = windowinfo.x; |
1202 | f->display.x->top_pos = windowinfo.y; | |
1203 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1204 | #if 0 |
f676886a | 1205 | dumpborder (f, 0); |
c118dd06 | 1206 | #endif /* ! 0 */ |
f676886a JB |
1207 | f->display.x->needs_exposure = 0; |
1208 | if (updating_frame != f) | |
1209 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1210 | XFlushQueue (); |
1211 | } | |
1212 | } | |
1213 | else | |
1214 | /* Handle any individual-rectangle expose events queued | |
1215 | for various windows. */ | |
1216 | #ifdef HAVE_X11 | |
1217 | ; | |
c118dd06 | 1218 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1219 | dumpqueue (); |
c118dd06 | 1220 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1221 | } |
f451eb13 | 1222 | #endif |
dc6f92b8 JB |
1223 | |
1224 | #ifdef HAVE_X11 | |
1225 | static void | |
f676886a JB |
1226 | frame_highlight (frame) |
1227 | struct frame *frame; | |
dc6f92b8 JB |
1228 | { |
1229 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1230 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1231 | frame->display.x->border_pixel); |
1232 | x_display_cursor (frame, 1); | |
dc6f92b8 JB |
1233 | } |
1234 | ||
1235 | static void | |
f676886a JB |
1236 | frame_unhighlight (frame) |
1237 | struct frame *frame; | |
dc6f92b8 JB |
1238 | { |
1239 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1240 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1241 | frame->display.x->border_tile); |
1242 | x_display_cursor (frame, 1); | |
dc6f92b8 | 1243 | } |
c118dd06 | 1244 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1245 | /* Dump the border-emphasis of frame F. |
1246 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1247 | just within the border, occupying a portion of the internal border. |
f676886a | 1248 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1249 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1250 | ||
f676886a | 1251 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1252 | In that case, we also turn the cursor off and on again |
1253 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1254 | ||
1255 | static void | |
f676886a JB |
1256 | dumpborder (f, always) |
1257 | struct frame *f; | |
dc6f92b8 JB |
1258 | int always; |
1259 | { | |
f676886a JB |
1260 | int thickness = f->display.x->internal_border_width / 2; |
1261 | int width = PIXEL_WIDTH (f); | |
1262 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1263 | int pixel; |
1264 | ||
f676886a | 1265 | if (f != selected_frame) |
dc6f92b8 JB |
1266 | { |
1267 | if (!always) | |
1268 | return; | |
1269 | ||
f676886a | 1270 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1271 | } |
1272 | else | |
1273 | { | |
f676886a | 1274 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1275 | } |
1276 | ||
c118dd06 JB |
1277 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1278 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1279 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1280 | thickness, pixel); |
c118dd06 | 1281 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1282 | height, pixel); |
1283 | ||
1284 | if (always) | |
f676886a | 1285 | x_display_cursor (f, 1); |
dc6f92b8 | 1286 | } |
c118dd06 | 1287 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1288 | |
f676886a | 1289 | static void XTframe_rehighlight (); |
6d4238f3 | 1290 | |
f676886a JB |
1291 | /* The focus has changed. Update the frames as necessary to reflect |
1292 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1293 | here, because the lisp code we are interrupting might become confused. |
f676886a | 1294 | Each event gets marked with the frame in which it occured, so the |
6d4238f3 | 1295 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1296 | |
6d4238f3 | 1297 | static void |
f676886a JB |
1298 | x_new_focus_frame (frame) |
1299 | struct frame *frame; | |
dc6f92b8 | 1300 | { |
f676886a | 1301 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1302 | int events_enqueued = 0; |
1303 | ||
f676886a | 1304 | if (frame != x_focus_frame) |
dc6f92b8 | 1305 | { |
6d4238f3 | 1306 | /* Set this before calling other routines, so that they see |
f676886a JB |
1307 | the correct value of x_focus_frame. */ |
1308 | x_focus_frame = frame; | |
6d4238f3 JB |
1309 | |
1310 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1311 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1312 | |
1313 | #if 0 | |
f676886a JB |
1314 | selected_frame = frame; |
1315 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1316 | Lisp_Frame, selected_frame); | |
1317 | Fselect_window (selected_frame->selected_window); | |
1318 | choose_minibuf_frame (); | |
c118dd06 | 1319 | #endif /* ! 0 */ |
dc6f92b8 | 1320 | |
f676886a JB |
1321 | if (x_focus_frame && x_focus_frame->auto_raise) |
1322 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1323 | } |
dc6f92b8 | 1324 | |
f676886a | 1325 | XTframe_rehighlight (); |
6d4238f3 JB |
1326 | } |
1327 | ||
1328 | ||
f451eb13 JB |
1329 | /* The focus has changed, or we have redirected a frame's focus to |
1330 | another frame (this happens when a frame uses a surrogate | |
1331 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1332 | static void |
f676886a | 1333 | XTframe_rehighlight () |
6d4238f3 | 1334 | { |
f676886a | 1335 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1336 | |
f676886a | 1337 | if (x_focus_frame) |
6d4238f3 | 1338 | { |
f451eb13 | 1339 | x_highlight_frame = |
ab648270 | 1340 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1341 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1342 | : x_focus_frame); | |
1343 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1344 | { | |
1345 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1346 | x_highlight_frame = x_focus_frame; | |
1347 | } | |
dc6f92b8 | 1348 | } |
6d4238f3 | 1349 | else |
f676886a | 1350 | x_highlight_frame = 0; |
dc6f92b8 | 1351 | |
f676886a | 1352 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1353 | { |
1354 | if (old_highlight) | |
f676886a JB |
1355 | frame_unhighlight (old_highlight); |
1356 | if (x_highlight_frame) | |
1357 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1358 | } |
dc6f92b8 JB |
1359 | } |
1360 | \f | |
90e65f07 JB |
1361 | /* Mouse clicks and mouse movement. Rah. */ |
1362 | #ifdef HAVE_X11 | |
1363 | ||
f676886a | 1364 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return |
90e65f07 JB |
1365 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle |
1366 | that the glyph at X, Y occupies, if BOUNDS != 0. */ | |
1367 | static void | |
f676886a JB |
1368 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds) |
1369 | FRAME_PTR f; | |
dc6f92b8 JB |
1370 | register unsigned int pix_x, pix_y; |
1371 | register int *x, *y; | |
90e65f07 | 1372 | XRectangle *bounds; |
dc6f92b8 | 1373 | { |
12ba150f JB |
1374 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1375 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
90e65f07 JB |
1376 | |
1377 | if (bounds) | |
1378 | { | |
12ba150f JB |
1379 | bounds->width = FONT_WIDTH (f->display.x->font); |
1380 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1381 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1382 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
90e65f07 | 1383 | } |
12ba150f JB |
1384 | |
1385 | if (pix_x < 0) pix_x = 0; | |
1386 | else if (pix_x > f->width) pix_x = f->width; | |
1387 | ||
1388 | if (pix_y < 0) pix_y = 0; | |
1389 | else if (pix_y > f->height) pix_y = f->height; | |
1390 | ||
1391 | *x = pix_x; | |
1392 | *y = pix_y; | |
dc6f92b8 | 1393 | } |
dc6f92b8 JB |
1394 | |
1395 | /* Any buttons grabbed. */ | |
1396 | unsigned int x_mouse_grabbed; | |
1397 | ||
28430d3c JB |
1398 | /* Which modifier keys are on which modifier bits? |
1399 | ||
1400 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1401 | keys were held down when the key was pressed. The interpretation |
1402 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1403 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1404 | is the meta bit. | |
1405 | ||
1406 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1407 | It may have more than one bit set, if more than one modifier bit | |
1408 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1409 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1410 | ||
1411 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1412 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1413 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1414 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1415 | arrangement, the lock modifier should shift the character if | |
1416 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1417 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1418 | |
a3c44b14 RS |
1419 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1420 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1421 | ||
28430d3c JB |
1422 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1423 | static void | |
1424 | x_find_modifier_meanings () | |
1425 | { | |
f689eb05 | 1426 | int min_code, max_code; |
28430d3c JB |
1427 | KeySym *syms; |
1428 | int syms_per_code; | |
1429 | XModifierKeymap *mods; | |
1430 | ||
1431 | x_meta_mod_mask = 0; | |
11edeb03 | 1432 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1433 | x_alt_mod_mask = 0; |
1434 | x_super_mod_mask = 0; | |
1435 | x_hyper_mod_mask = 0; | |
28430d3c | 1436 | |
9658a521 | 1437 | #ifdef HAVE_X11R4 |
28430d3c | 1438 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1439 | #else |
1440 | min_code = x_current_display->min_keycode; | |
1441 | max_code = x_current_display->max_keycode; | |
1442 | #endif | |
1443 | ||
28430d3c JB |
1444 | syms = XGetKeyboardMapping (x_current_display, |
1445 | min_code, max_code - min_code + 1, | |
1446 | &syms_per_code); | |
1447 | mods = XGetModifierMapping (x_current_display); | |
1448 | ||
11edeb03 JB |
1449 | /* Scan the modifier table to see which modifier bits the Meta and |
1450 | Alt keysyms are on. */ | |
28430d3c JB |
1451 | { |
1452 | int row, col; /* The row and column in the modifier table. */ | |
1453 | ||
1454 | for (row = 3; row < 8; row++) | |
1455 | for (col = 0; col < mods->max_keypermod; col++) | |
1456 | { | |
1457 | KeyCode code = | |
1458 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1459 | ||
1460 | /* Are any of this keycode's keysyms a meta key? */ | |
1461 | { | |
1462 | int code_col; | |
1463 | ||
1464 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1465 | { | |
f689eb05 | 1466 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1467 | |
f689eb05 | 1468 | switch (sym) |
28430d3c | 1469 | { |
f689eb05 JB |
1470 | case XK_Meta_L: |
1471 | case XK_Meta_R: | |
28430d3c JB |
1472 | x_meta_mod_mask |= (1 << row); |
1473 | break; | |
f689eb05 JB |
1474 | |
1475 | case XK_Alt_L: | |
1476 | case XK_Alt_R: | |
a3c44b14 RS |
1477 | x_alt_mod_mask |= (1 << row); |
1478 | break; | |
1479 | ||
1480 | case XK_Hyper_L: | |
1481 | case XK_Hyper_R: | |
1482 | x_hyper_mod_mask |= (1 << row); | |
1483 | break; | |
1484 | ||
1485 | case XK_Super_L: | |
1486 | case XK_Super_R: | |
1487 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1488 | break; |
11edeb03 JB |
1489 | |
1490 | case XK_Shift_Lock: | |
1491 | /* Ignore this if it's not on the lock modifier. */ | |
1492 | if ((1 << row) == LockMask) | |
1493 | x_shift_lock_mask = LockMask; | |
1494 | break; | |
28430d3c JB |
1495 | } |
1496 | } | |
1497 | } | |
1498 | } | |
1499 | } | |
1500 | ||
f689eb05 JB |
1501 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1502 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1503 | { |
1504 | x_meta_mod_mask = x_alt_mod_mask; | |
1505 | x_alt_mod_mask = 0; | |
1506 | } | |
f689eb05 | 1507 | |
28430d3c | 1508 | XFree ((char *) syms); |
f689eb05 | 1509 | XFreeModifiermap (mods); |
28430d3c JB |
1510 | } |
1511 | ||
1512 | ||
dfeccd2d JB |
1513 | /* Convert between the modifier bits X uses and the modifier bits |
1514 | Emacs uses. */ | |
7c5283e4 | 1515 | static unsigned int |
dfeccd2d | 1516 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1517 | unsigned int state; |
1518 | { | |
11edeb03 JB |
1519 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1520 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1521 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1522 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1523 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1524 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1525 | } |
1526 | ||
dfeccd2d JB |
1527 | static unsigned int |
1528 | x_emacs_to_x_modifiers (state) | |
1529 | unsigned int state; | |
1530 | { | |
1531 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1532 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1533 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1534 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1535 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1536 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1537 | } | |
1538 | ||
dc6f92b8 JB |
1539 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1540 | ||
1541 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1542 | the mouse. */ |
dc6f92b8 JB |
1543 | |
1544 | static Lisp_Object | |
f451eb13 | 1545 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1546 | struct input_event *result; |
1547 | XButtonEvent *event; | |
f676886a | 1548 | struct frame *f; |
dc6f92b8 | 1549 | { |
f451eb13 | 1550 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1551 | otherwise. */ |
f451eb13 JB |
1552 | result->kind = mouse_click; |
1553 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1554 | result->timestamp = event->time; |
dfeccd2d | 1555 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
1556 | | (event->type == ButtonRelease |
1557 | ? up_modifier | |
1558 | : down_modifier)); | |
dc6f92b8 JB |
1559 | |
1560 | /* Notice if the mouse is still grabbed. */ | |
1561 | if (event->type == ButtonPress) | |
1562 | { | |
1563 | if (! x_mouse_grabbed) | |
1564 | Vmouse_depressed = Qt; | |
90e65f07 | 1565 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1566 | } |
1567 | else if (event->type == ButtonRelease) | |
1568 | { | |
90e65f07 | 1569 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1570 | if (!x_mouse_grabbed) |
1571 | Vmouse_depressed = Qnil; | |
1572 | } | |
1573 | ||
f451eb13 JB |
1574 | { |
1575 | int row, column; | |
dc6f92b8 | 1576 | |
f451eb13 JB |
1577 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1578 | XFASTINT (result->x) = column; | |
1579 | XFASTINT (result->y) = row; | |
12ba150f | 1580 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1581 | } |
dc6f92b8 JB |
1582 | } |
1583 | ||
1584 | ||
90e65f07 JB |
1585 | /* Mouse movement. Rah. |
1586 | ||
1587 | In order to avoid asking for motion events and then throwing most | |
1588 | of them away or busy-polling the server for mouse positions, we ask | |
1589 | the server for pointer motion hints. This means that we get only | |
1590 | one event per group of mouse movements. "Groups" are delimited by | |
1591 | other kinds of events (focus changes and button clicks, for | |
1592 | example), or by XQueryPointer calls; when one of these happens, we | |
1593 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1594 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1595 | tracking is on, and I suspect only negligibly worse when tracking |
1596 | is off. | |
1597 | ||
1598 | The silly O'Reilly & Associates Nutshell guides barely document | |
1599 | pointer motion hints at all (I think you have to infer how they | |
1600 | work from an example), and the description of XQueryPointer doesn't | |
1601 | mention that calling it causes you to get another motion hint from | |
1602 | the server, which is very important. */ | |
1603 | ||
1604 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1605 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1606 | static XRectangle last_mouse_glyph; |
1607 | ||
ab648270 | 1608 | /* The scroll bar in which the last X motion event occurred. |
12ba150f | 1609 | |
ab648270 JB |
1610 | If the last X motion event occured in a scroll bar, we set this |
1611 | so XTmouse_position can know whether to report a scroll bar motion or | |
12ba150f JB |
1612 | an ordinary motion. |
1613 | ||
ab648270 | 1614 | If the last X motion event didn't occur in a scroll bar, we set this |
12ba150f | 1615 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ |
ab648270 | 1616 | static Lisp_Object last_mouse_scroll_bar; |
f451eb13 | 1617 | |
e5d77022 JB |
1618 | /* This is a hack. We would really prefer that XTmouse_position would |
1619 | return the time associated with the position it returns, but there | |
1620 | doesn't seem to be any way to wrest the timestamp from the server | |
1621 | along with the position query. So, we just keep track of the time | |
1622 | of the last movement we received, and return that in hopes that | |
1623 | it's somewhat accurate. */ | |
1624 | static Time last_mouse_movement_time; | |
1625 | ||
90e65f07 JB |
1626 | /* Function to report a mouse movement to the mainstream Emacs code. |
1627 | The input handler calls this. | |
1628 | ||
1629 | We have received a mouse movement event, which is given in *event. | |
1630 | If the mouse is over a different glyph than it was last time, tell | |
1631 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1632 | another motion event, so we can check again the next time it moves. */ | |
1633 | static void | |
12ba150f | 1634 | note_mouse_movement (frame, event) |
f676886a | 1635 | FRAME_PTR frame; |
90e65f07 JB |
1636 | XMotionEvent *event; |
1637 | ||
1638 | { | |
e5d77022 JB |
1639 | last_mouse_movement_time = event->time; |
1640 | ||
90e65f07 JB |
1641 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1642 | if (event->x < last_mouse_glyph.x | |
1643 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1644 | || event->y < last_mouse_glyph.y | |
1645 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1646 | { |
1647 | mouse_moved = 1; | |
ab648270 | 1648 | last_mouse_scroll_bar = Qnil; |
12ba150f | 1649 | } |
90e65f07 JB |
1650 | else |
1651 | { | |
1652 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1653 | event the next time the mouse moves and we can see if it's | |
1654 | *still* on the same glyph. */ | |
1655 | int dummy; | |
1656 | ||
1657 | XQueryPointer (event->display, event->window, | |
1658 | (Window *) &dummy, (Window *) &dummy, | |
1659 | &dummy, &dummy, &dummy, &dummy, | |
1660 | (unsigned int *) &dummy); | |
1661 | } | |
1662 | } | |
1663 | ||
ab648270 JB |
1664 | static struct scroll_bar *x_window_to_scroll_bar (); |
1665 | static void x_scroll_bar_report_motion (); | |
12ba150f | 1666 | |
90e65f07 JB |
1667 | /* Return the current position of the mouse. |
1668 | ||
ab648270 JB |
1669 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
1670 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 1671 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 1672 | position on the scroll bar. |
12ba150f JB |
1673 | |
1674 | If the mouse movement started elsewhere, set *f to the frame the | |
1675 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1676 | the mouse is over. | |
1677 | ||
1678 | Set *time to the server timestamp for the time at which the mouse | |
1679 | was at this position. | |
1680 | ||
90e65f07 | 1681 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1682 | movement. This also calls XQueryPointer, which will cause the |
1683 | server to give us another MotionNotify when the mouse moves | |
1684 | again. */ | |
90e65f07 JB |
1685 | |
1686 | static void | |
12ba150f | 1687 | XTmouse_position (f, bar_window, part, x, y, time) |
f676886a | 1688 | FRAME_PTR *f; |
12ba150f | 1689 | Lisp_Object *bar_window; |
ab648270 | 1690 | enum scroll_bar_part *part; |
90e65f07 | 1691 | Lisp_Object *x, *y; |
e5d77022 | 1692 | unsigned long *time; |
90e65f07 | 1693 | { |
90e65f07 JB |
1694 | BLOCK_INPUT; |
1695 | ||
ab648270 JB |
1696 | if (! NILP (last_mouse_scroll_bar)) |
1697 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1698 | else |
1699 | { | |
12ba150f JB |
1700 | Window root; |
1701 | int root_x, root_y; | |
90e65f07 | 1702 | |
12ba150f JB |
1703 | Window dummy_window; |
1704 | int dummy; | |
1705 | ||
1706 | mouse_moved = 0; | |
ab648270 | 1707 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
1708 | |
1709 | /* Figure out which root window we're on. */ | |
1710 | XQueryPointer (x_current_display, | |
1711 | DefaultRootWindow (x_current_display), | |
1712 | ||
1713 | /* The root window which contains the pointer. */ | |
1714 | &root, | |
1715 | ||
1716 | /* Trash which we can't trust if the pointer is on | |
1717 | a different screen. */ | |
1718 | &dummy_window, | |
1719 | ||
1720 | /* The position on that root window. */ | |
1721 | &root_x, &root_y, | |
1722 | ||
1723 | /* More trash we can't trust. */ | |
1724 | &dummy, &dummy, | |
1725 | ||
1726 | /* Modifier keys and pointer buttons, about which | |
1727 | we don't care. */ | |
1728 | (unsigned int *) &dummy); | |
1729 | ||
1730 | /* Now we have a position on the root; find the innermost window | |
1731 | containing the pointer. */ | |
1732 | { | |
1733 | Window win, child; | |
1734 | int win_x, win_y; | |
1735 | int parent_x, parent_y; | |
1736 | ||
1737 | win = root; | |
1738 | for (;;) | |
1739 | { | |
1740 | XTranslateCoordinates (x_current_display, | |
1741 | ||
1742 | /* From-window, to-window. */ | |
1743 | root, win, | |
1744 | ||
1745 | /* From-position, to-position. */ | |
1746 | root_x, root_y, &win_x, &win_y, | |
1747 | ||
1748 | /* Child of win. */ | |
1749 | &child); | |
1750 | ||
1751 | if (child == None) | |
1752 | break; | |
1753 | ||
1754 | win = child; | |
1755 | parent_x = win_x; | |
1756 | parent_y = win_y; | |
1757 | } | |
1758 | ||
1759 | /* Now we know that: | |
1760 | win is the innermost window containing the pointer | |
1761 | (XTC says it has no child containing the pointer), | |
1762 | win_x and win_y are the pointer's position in it | |
1763 | (XTC did this the last time through), and | |
1764 | parent_x and parent_y are the pointer's position in win's parent. | |
1765 | (They are what win_x and win_y were when win was child. | |
1766 | If win is the root window, it has no parent, and | |
1767 | parent_{x,y} are invalid, but that's okay, because we'll | |
1768 | never use them in that case.) */ | |
1769 | ||
1770 | /* Is win one of our frames? */ | |
1771 | *f = x_window_to_frame (win); | |
1772 | ||
ab648270 | 1773 | /* If not, is it one of our scroll bars? */ |
12ba150f JB |
1774 | if (! *f) |
1775 | { | |
ab648270 | 1776 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
1777 | |
1778 | if (bar) | |
1779 | { | |
1780 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1781 | win_x = parent_x; | |
1782 | win_y = parent_y; | |
1783 | } | |
1784 | } | |
90e65f07 | 1785 | |
12ba150f JB |
1786 | if (*f) |
1787 | { | |
1788 | pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y, | |
1789 | &last_mouse_glyph); | |
1790 | ||
1791 | *bar_window = Qnil; | |
1792 | *part = 0; | |
1793 | XSET (*x, Lisp_Int, win_x); | |
1794 | XSET (*y, Lisp_Int, win_y); | |
1795 | *time = last_mouse_movement_time; | |
1796 | } | |
1797 | } | |
1798 | } | |
90e65f07 JB |
1799 | |
1800 | UNBLOCK_INPUT; | |
1801 | } | |
1802 | ||
c118dd06 | 1803 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1804 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1805 | #endif /* ! defined (HAVE_X11) */ |
1806 | \f | |
ab648270 | 1807 | /* Scroll bar support. */ |
f451eb13 | 1808 | |
ab648270 JB |
1809 | /* Given an X window ID, find the struct scroll_bar which manages it. |
1810 | This can be called in GC, so we have to make sure to strip off mark | |
1811 | bits. */ | |
1812 | static struct scroll_bar * | |
1813 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
1814 | Window window_id; |
1815 | { | |
1816 | Lisp_Object tail, frame; | |
f451eb13 | 1817 | |
ab648270 JB |
1818 | for (tail = Vframe_list; |
1819 | XGCTYPE (tail) == Lisp_Cons; | |
1820 | tail = XCONS (tail)->cdr) | |
f451eb13 | 1821 | { |
f451eb13 | 1822 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1823 | Lisp_Object bar, condemned; |
f451eb13 JB |
1824 | |
1825 | /* All elements of Vframe_list should be frames. */ | |
ab648270 | 1826 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
1827 | abort (); |
1828 | ||
ab648270 | 1829 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 1830 | right window ID. */ |
ab648270 JB |
1831 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
1832 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 1833 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
1834 | condemned scroll bar lists with one loop. */ |
1835 | ! GC_NILP (bar) || (bar = condemned, | |
1836 | condemned = Qnil, | |
1837 | ! GC_NILP (bar)); | |
1838 | bar = XSCROLL_BAR(bar)->next) | |
1839 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1840 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
1841 | } |
1842 | ||
1843 | return 0; | |
1844 | } | |
1845 | ||
ab648270 JB |
1846 | /* Open a new X window to serve as a scroll bar, and return the |
1847 | scroll bar vector for it. */ | |
1848 | static struct scroll_bar * | |
1849 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 1850 | struct window *window; |
f451eb13 JB |
1851 | int top, left, width, height; |
1852 | { | |
12ba150f | 1853 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
1854 | struct scroll_bar *bar = |
1855 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
1856 | |
1857 | BLOCK_INPUT; | |
1858 | ||
1859 | { | |
1860 | XSetWindowAttributes a; | |
1861 | unsigned long mask; | |
1862 | ||
12ba150f JB |
1863 | a.background_pixel = frame->display.x->background_pixel; |
1864 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1865 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1866 | | ExposureMask); |
ab648270 | 1867 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 1868 | |
dbc4e1c1 | 1869 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 1870 | |
ab648270 | 1871 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
1872 | (bar, |
1873 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1874 | |
ab648270 | 1875 | /* Position and size of scroll bar. */ |
12ba150f | 1876 | left, top, width, height, |
f451eb13 | 1877 | |
12ba150f JB |
1878 | /* Border width, depth, class, and visual. */ |
1879 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1880 | |
12ba150f JB |
1881 | /* Attributes. */ |
1882 | mask, &a)); | |
f451eb13 JB |
1883 | } |
1884 | ||
12ba150f JB |
1885 | XSET (bar->window, Lisp_Window, window); |
1886 | XSET (bar->top, Lisp_Int, top); | |
1887 | XSET (bar->left, Lisp_Int, left); | |
1888 | XSET (bar->width, Lisp_Int, width); | |
1889 | XSET (bar->height, Lisp_Int, height); | |
1890 | XSET (bar->start, Lisp_Int, 0); | |
1891 | XSET (bar->end, Lisp_Int, 0); | |
1892 | bar->dragging = Qnil; | |
f451eb13 JB |
1893 | |
1894 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 1895 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 1896 | bar->prev = Qnil; |
ab648270 | 1897 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 1898 | if (! NILP (bar->next)) |
ab648270 | 1899 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 1900 | |
ab648270 | 1901 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
1902 | |
1903 | UNBLOCK_INPUT; | |
12ba150f JB |
1904 | |
1905 | return bar; | |
f451eb13 JB |
1906 | } |
1907 | ||
12ba150f JB |
1908 | /* Draw BAR's handle in the proper position. |
1909 | If the handle is already drawn from START to END, don't bother | |
1910 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1911 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1912 | events.) | |
1913 | ||
1914 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 1915 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
1916 | handle, we want to let them drag it down all the way, so that the |
1917 | bar's top is as far down as it goes; otherwise, there's no way to | |
1918 | move to the very end of the buffer. */ | |
f451eb13 | 1919 | static void |
ab648270 JB |
1920 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
1921 | struct scroll_bar *bar; | |
f451eb13 | 1922 | int start, end; |
12ba150f | 1923 | int rebuild; |
f451eb13 | 1924 | { |
12ba150f | 1925 | int dragging = ! NILP (bar->dragging); |
ab648270 | 1926 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
1927 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
1928 | ||
1929 | /* If the display is already accurate, do nothing. */ | |
1930 | if (! rebuild | |
1931 | && start == XINT (bar->start) | |
1932 | && end == XINT (bar->end)) | |
1933 | return; | |
1934 | ||
f451eb13 JB |
1935 | BLOCK_INPUT; |
1936 | ||
1937 | { | |
ab648270 JB |
1938 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
1939 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
1940 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
1941 | |
1942 | /* Make sure the values are reasonable, and try to preserve | |
1943 | the distance between start and end. */ | |
12ba150f JB |
1944 | { |
1945 | int length = end - start; | |
1946 | ||
1947 | if (start < 0) | |
1948 | start = 0; | |
1949 | else if (start > top_range) | |
1950 | start = top_range; | |
1951 | end = start + length; | |
1952 | ||
1953 | if (end < start) | |
1954 | end = start; | |
1955 | else if (end > top_range && ! dragging) | |
1956 | end = top_range; | |
1957 | } | |
f451eb13 | 1958 | |
ab648270 | 1959 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
1960 | XSET (bar->start, Lisp_Int, start); |
1961 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 1962 | |
12ba150f JB |
1963 | /* Clip the end position, just for display. */ |
1964 | if (end > top_range) | |
1965 | end = top_range; | |
f451eb13 | 1966 | |
ab648270 | 1967 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
1968 | below top positions, to make sure the handle is always at least |
1969 | that many pixels tall. */ | |
ab648270 | 1970 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 1971 | |
12ba150f JB |
1972 | /* Draw the empty space above the handle. Note that we can't clear |
1973 | zero-height areas; that means "clear to end of window." */ | |
1974 | if (0 < start) | |
1975 | XClearArea (x_current_display, w, | |
f451eb13 | 1976 | |
12ba150f | 1977 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1978 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1979 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
1980 | inside_width, start, |
1981 | False); | |
f451eb13 | 1982 | |
12ba150f JB |
1983 | /* Draw the handle itself. */ |
1984 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 1985 | |
12ba150f | 1986 | /* x, y, width, height */ |
ab648270 JB |
1987 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1988 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 1989 | inside_width, end - start); |
f451eb13 | 1990 | |
f451eb13 | 1991 | |
12ba150f JB |
1992 | /* Draw the empty space below the handle. Note that we can't |
1993 | clear zero-height areas; that means "clear to end of window." */ | |
1994 | if (end < inside_height) | |
1995 | XClearArea (x_current_display, w, | |
f451eb13 | 1996 | |
12ba150f | 1997 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1998 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1999 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2000 | inside_width, inside_height - end, |
2001 | False); | |
f451eb13 | 2002 | |
f451eb13 JB |
2003 | } |
2004 | ||
f451eb13 JB |
2005 | UNBLOCK_INPUT; |
2006 | } | |
2007 | ||
ab648270 | 2008 | /* Move a scroll bar around on the screen, to accomodate changing |
12ba150f | 2009 | window configurations. */ |
f451eb13 | 2010 | static void |
ab648270 JB |
2011 | x_scroll_bar_move (bar, top, left, width, height) |
2012 | struct scroll_bar *bar; | |
f451eb13 JB |
2013 | int top, left, width, height; |
2014 | { | |
2015 | BLOCK_INPUT; | |
2016 | ||
2017 | { | |
2018 | XWindowChanges wc; | |
2019 | unsigned int mask = 0; | |
2020 | ||
2021 | wc.x = left; | |
2022 | wc.y = top; | |
2023 | wc.width = width; | |
2024 | wc.height = height; | |
2025 | ||
12ba150f JB |
2026 | if (left != XINT (bar->left)) mask |= CWX; |
2027 | if (top != XINT (bar->top)) mask |= CWY; | |
2028 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2029 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2030 | ||
2031 | if (mask) | |
ab648270 | 2032 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2033 | mask, &wc); |
f451eb13 JB |
2034 | } |
2035 | ||
12ba150f JB |
2036 | XSET (bar->left, Lisp_Int, left); |
2037 | XSET (bar->top, Lisp_Int, top); | |
2038 | XSET (bar->width, Lisp_Int, width); | |
2039 | XSET (bar->height, Lisp_Int, height); | |
2040 | ||
f451eb13 JB |
2041 | UNBLOCK_INPUT; |
2042 | } | |
2043 | ||
ab648270 | 2044 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2045 | to nil. */ |
2046 | static void | |
ab648270 JB |
2047 | x_scroll_bar_remove (bar) |
2048 | struct scroll_bar *bar; | |
12ba150f JB |
2049 | { |
2050 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2051 | ||
2052 | BLOCK_INPUT; | |
2053 | ||
2054 | /* Destroy the window. */ | |
ab648270 | 2055 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2056 | |
ab648270 JB |
2057 | /* Disassociate this scroll bar from its window. */ |
2058 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2059 | |
2060 | UNBLOCK_INPUT; | |
2061 | } | |
2062 | ||
2063 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2064 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2065 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2066 | create one. */ |
2067 | static void | |
ab648270 | 2068 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2069 | struct window *window; |
2070 | int portion, whole, position; | |
2071 | { | |
2072 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2073 | int top = XINT (window->top); |
ab648270 JB |
2074 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2075 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2076 | |
ab648270 | 2077 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2078 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2079 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2080 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2081 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2082 | |
ab648270 | 2083 | struct scroll_bar *bar; |
12ba150f | 2084 | |
ab648270 JB |
2085 | /* Does the scroll bar exist yet? */ |
2086 | if (NILP (window->vertical_scroll_bar)) | |
2087 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2088 | pixel_top, pixel_left, |
2089 | pixel_width, pixel_height); | |
2090 | else | |
12ba150f JB |
2091 | { |
2092 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2093 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2094 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2095 | } |
f451eb13 | 2096 | |
ab648270 | 2097 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2098 | dragged. */ |
12ba150f | 2099 | if (NILP (bar->dragging)) |
f451eb13 | 2100 | { |
12ba150f | 2101 | int top_range = |
ab648270 | 2102 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2103 | |
12ba150f | 2104 | if (whole == 0) |
ab648270 | 2105 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2106 | else |
2107 | { | |
2108 | int start = (position * top_range) / whole; | |
2109 | int end = ((position + portion) * top_range) / whole; | |
2110 | ||
ab648270 | 2111 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2112 | } |
f451eb13 JB |
2113 | } |
2114 | ||
ab648270 | 2115 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2116 | } |
2117 | ||
12ba150f | 2118 | |
f451eb13 | 2119 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2120 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2121 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2122 | away is a real pain - "Can you say set-window-configuration, boys |
2123 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2124 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2125 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2126 | |
ab648270 JB |
2127 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2128 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2129 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2130 | static void |
ab648270 | 2131 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2132 | FRAME_PTR frame; |
2133 | { | |
12ba150f JB |
2134 | /* The condemned list should be empty at this point; if it's not, |
2135 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2136 | protocol correctly. */ | |
ab648270 | 2137 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2138 | abort (); |
2139 | ||
2140 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2141 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2142 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2143 | } |
2144 | ||
ab648270 | 2145 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2146 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2147 | static void |
ab648270 | 2148 | XTredeem_scroll_bar (window) |
12ba150f | 2149 | struct window *window; |
f451eb13 | 2150 | { |
ab648270 | 2151 | struct scroll_bar *bar; |
12ba150f | 2152 | |
ab648270 JB |
2153 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2154 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2155 | abort (); |
2156 | ||
ab648270 | 2157 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2158 | |
2159 | /* Unlink it from the condemned list. */ | |
2160 | { | |
2161 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2162 | ||
2163 | if (NILP (bar->prev)) | |
2164 | { | |
2165 | /* If the prev pointer is nil, it must be the first in one of | |
2166 | the lists. */ | |
ab648270 | 2167 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2168 | /* It's not condemned. Everything's fine. */ |
2169 | return; | |
ab648270 JB |
2170 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2171 | window->vertical_scroll_bar)) | |
2172 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2173 | else |
2174 | /* If its prev pointer is nil, it must be at the front of | |
2175 | one or the other! */ | |
2176 | abort (); | |
2177 | } | |
2178 | else | |
ab648270 | 2179 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2180 | |
2181 | if (! NILP (bar->next)) | |
ab648270 | 2182 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2183 | |
ab648270 | 2184 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2185 | bar->prev = Qnil; |
ab648270 | 2186 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2187 | if (! NILP (bar->next)) |
ab648270 | 2188 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2189 | } |
f451eb13 JB |
2190 | } |
2191 | ||
ab648270 JB |
2192 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2193 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2194 | static void |
ab648270 | 2195 | XTjudge_scroll_bars (f) |
12ba150f | 2196 | FRAME_PTR f; |
f451eb13 | 2197 | { |
12ba150f | 2198 | Lisp_Object bar, next; |
f451eb13 | 2199 | |
ab648270 | 2200 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2201 | |
2202 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2203 | more events on the hapless scroll bars. */ |
2204 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2205 | |
2206 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2207 | { |
ab648270 | 2208 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2209 | |
ab648270 | 2210 | x_scroll_bar_remove (b); |
12ba150f JB |
2211 | |
2212 | next = b->next; | |
2213 | b->next = b->prev = Qnil; | |
f451eb13 | 2214 | } |
12ba150f | 2215 | |
ab648270 | 2216 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2217 | and they should get garbage-collected. */ |
f451eb13 JB |
2218 | } |
2219 | ||
2220 | ||
ab648270 JB |
2221 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2222 | ||
2223 | This may be called from a signal handler, so we have to ignore GC | |
2224 | mark bits. */ | |
f451eb13 | 2225 | static void |
ab648270 JB |
2226 | x_scroll_bar_expose (bar, event) |
2227 | struct scroll_bar *bar; | |
f451eb13 JB |
2228 | XEvent *event; |
2229 | { | |
ab648270 | 2230 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2231 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2232 | ||
f451eb13 JB |
2233 | BLOCK_INPUT; |
2234 | ||
ab648270 | 2235 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2236 | |
ab648270 | 2237 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2238 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2239 | |
2240 | /* x, y, width, height */ | |
12ba150f | 2241 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2242 | |
12ba150f JB |
2243 | /* Draw another line to make the extra-thick border on the right. */ |
2244 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2245 | |
12ba150f JB |
2246 | /* x, y, width, height */ |
2247 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2248 | |
2249 | UNBLOCK_INPUT; | |
2250 | } | |
2251 | ||
ab648270 JB |
2252 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2253 | is set to something other than no_event, it is enqueued. | |
2254 | ||
2255 | This may be called from a signal handler, so we have to ignore GC | |
2256 | mark bits. */ | |
f451eb13 | 2257 | static void |
ab648270 JB |
2258 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2259 | struct scroll_bar *bar; | |
f451eb13 JB |
2260 | XEvent *event; |
2261 | struct input_event *emacs_event; | |
2262 | { | |
ab648270 | 2263 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2264 | abort (); |
2265 | ||
ab648270 | 2266 | emacs_event->kind = scroll_bar_click; |
12ba150f | 2267 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 | 2268 | emacs_event->modifiers = |
dfeccd2d | 2269 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
2270 | | (event->type == ButtonRelease |
2271 | ? up_modifier | |
2272 | : down_modifier)); | |
12ba150f | 2273 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2274 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2275 | { |
2276 | int internal_height = | |
ab648270 | 2277 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2278 | int top_range = |
ab648270 JB |
2279 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2280 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2281 | |
2282 | if (y < 0) y = 0; | |
2283 | if (y > top_range) y = top_range; | |
2284 | ||
2285 | if (y < XINT (bar->start)) | |
ab648270 JB |
2286 | emacs_event->part = scroll_bar_above_handle; |
2287 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2288 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2289 | else |
ab648270 | 2290 | emacs_event->part = scroll_bar_below_handle; |
12ba150f JB |
2291 | |
2292 | /* If the user has just clicked on the handle, record where they're | |
2293 | holding it. */ | |
2294 | if (event->type == ButtonPress | |
ab648270 | 2295 | && emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2296 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
2297 | ||
2298 | /* If the user has released the handle, set it to its final position. */ | |
2299 | if (event->type == ButtonRelease | |
2300 | && ! NILP (bar->dragging)) | |
2301 | { | |
2302 | int new_start = y - XINT (bar->dragging); | |
2303 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2304 | |
ab648270 | 2305 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2306 | bar->dragging = Qnil; |
2307 | } | |
f451eb13 | 2308 | |
12ba150f JB |
2309 | /* Clicks on the handle are always reported as occuring at the top of |
2310 | the handle. */ | |
ab648270 | 2311 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2312 | emacs_event->x = bar->start; |
2313 | else | |
2314 | XSET (emacs_event->x, Lisp_Int, y); | |
f451eb13 | 2315 | |
12ba150f JB |
2316 | XSET (emacs_event->y, Lisp_Int, top_range); |
2317 | } | |
2318 | } | |
f451eb13 | 2319 | |
ab648270 JB |
2320 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2321 | ||
2322 | This may be called from a signal handler, so we have to ignore GC | |
2323 | mark bits. */ | |
f451eb13 | 2324 | static void |
ab648270 JB |
2325 | x_scroll_bar_note_movement (bar, event) |
2326 | struct scroll_bar *bar; | |
f451eb13 JB |
2327 | XEvent *event; |
2328 | { | |
2329 | last_mouse_movement_time = event->xmotion.time; | |
2330 | ||
2331 | mouse_moved = 1; | |
ab648270 | 2332 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2333 | |
2334 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2335 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2336 | { |
2337 | /* Where should the handle be now? */ | |
12ba150f | 2338 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2339 | |
12ba150f | 2340 | if (new_start != XINT (bar->start)) |
f451eb13 | 2341 | { |
12ba150f | 2342 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2343 | |
ab648270 | 2344 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2345 | } |
2346 | } | |
2347 | ||
2348 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2349 | moves and we can see *still* on the same position. */ | |
2350 | { | |
2351 | int dummy; | |
2352 | ||
2353 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2354 | (Window *) &dummy, (Window *) &dummy, | |
2355 | &dummy, &dummy, &dummy, &dummy, | |
2356 | (unsigned int *) &dummy); | |
2357 | } | |
2358 | } | |
2359 | ||
12ba150f | 2360 | /* Return information to the user about the current position of the mouse |
ab648270 | 2361 | on the scroll bar. */ |
12ba150f | 2362 | static void |
ab648270 | 2363 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2364 | FRAME_PTR *f; |
2365 | Lisp_Object *bar_window; | |
ab648270 | 2366 | enum scroll_bar_part *part; |
12ba150f JB |
2367 | Lisp_Object *x, *y; |
2368 | unsigned long *time; | |
2369 | { | |
ab648270 | 2370 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f JB |
2371 | int win_x, win_y; |
2372 | ||
cf7cb199 JB |
2373 | BLOCK_INPUT; |
2374 | ||
ab648270 | 2375 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f JB |
2376 | report that. */ |
2377 | { | |
2378 | Window dummy_window; | |
2379 | int dummy_coord; | |
2380 | unsigned int dummy_mask; | |
2381 | ||
2382 | if (! XQueryPointer (x_current_display, | |
ab648270 | 2383 | SCROLL_BAR_X_WINDOW (bar), |
12ba150f JB |
2384 | |
2385 | /* Root, child, root x and root y. */ | |
2386 | &dummy_window, &dummy_window, | |
2387 | &dummy_coord, &dummy_coord, | |
2388 | ||
ab648270 | 2389 | /* Position relative to scroll bar. */ |
12ba150f JB |
2390 | &win_x, &win_y, |
2391 | ||
2392 | /* Mouse buttons and modifier keys. */ | |
2393 | &dummy_mask)) | |
2394 | { | |
2395 | *f = 0; | |
cf7cb199 | 2396 | goto done; |
12ba150f JB |
2397 | } |
2398 | } | |
2399 | ||
2400 | { | |
ab648270 JB |
2401 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
2402 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
12ba150f | 2403 | |
ab648270 | 2404 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
2405 | |
2406 | if (! NILP (bar->dragging)) | |
2407 | win_y -= XINT (bar->dragging); | |
2408 | ||
2409 | if (win_y < 0) | |
2410 | win_y = 0; | |
2411 | if (win_y > top_range) | |
2412 | win_y = top_range; | |
2413 | ||
2414 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2415 | *bar_window = bar->window; | |
2416 | ||
2417 | if (! NILP (bar->dragging)) | |
ab648270 | 2418 | *part = scroll_bar_handle; |
12ba150f | 2419 | else if (win_y < XINT (bar->start)) |
ab648270 JB |
2420 | *part = scroll_bar_above_handle; |
2421 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2422 | *part = scroll_bar_handle; | |
12ba150f | 2423 | else |
ab648270 | 2424 | *part = scroll_bar_below_handle; |
12ba150f JB |
2425 | |
2426 | XSET (*x, Lisp_Int, win_y); | |
2427 | XSET (*y, Lisp_Int, top_range); | |
2428 | *time = last_mouse_movement_time; | |
2429 | } | |
2430 | ||
2431 | mouse_moved = 0; | |
ab648270 | 2432 | last_mouse_scroll_bar = Qnil; |
cf7cb199 JB |
2433 | |
2434 | done: | |
2435 | UNBLOCK_INPUT; | |
12ba150f JB |
2436 | } |
2437 | ||
f451eb13 | 2438 | |
dbc4e1c1 | 2439 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2440 | background colors, and the scroll bars may need to be redrawn. |
2441 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2442 | redraw them. */ |
2443 | ||
ab648270 | 2444 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2445 | FRAME_PTR f; |
2446 | { | |
2447 | Lisp_Object bar; | |
2448 | ||
ab648270 | 2449 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2450 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2451 | bar = XSCROLL_BAR (bar)->next) |
2452 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2453 | 0, 0, 0, 0, True); |
2454 | } | |
2455 | ||
2456 | ||
f451eb13 JB |
2457 | \f |
2458 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2459 | |
dc6f92b8 JB |
2460 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2461 | but we have to put it out here, since static variables within functions | |
2462 | sometimes don't work. */ | |
2463 | static Time enter_timestamp; | |
2464 | ||
11edeb03 JB |
2465 | /* This holds the state XLookupString needs to implement dead keys |
2466 | and other tricks known as "compose processing". _X Window System_ | |
2467 | says that a portable program can't use this, but Stephen Gildea assures | |
2468 | me that letting the compiler initialize it to zeros will work okay. | |
2469 | ||
2470 | This must be defined outside of XTread_socket, for the same reasons | |
2471 | given for enter_timestamp, above. */ | |
2472 | static XComposeStatus compose_status; | |
2473 | ||
c047688c JA |
2474 | /* Communication with window managers. */ |
2475 | Atom Xatom_wm_protocols; | |
2476 | ||
2477 | /* Kinds of protocol things we may receive. */ | |
2478 | Atom Xatom_wm_take_focus; | |
2479 | Atom Xatom_wm_save_yourself; | |
2480 | Atom Xatom_wm_delete_window; | |
2481 | ||
2482 | /* Other WM communication */ | |
2483 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2484 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2485 | ||
d56a553a RS |
2486 | /* Window manager communication. */ |
2487 | Atom Xatom_wm_change_state; | |
2488 | ||
10e6549c RS |
2489 | /* Record the last 100 characters stored |
2490 | to help debug the loss-of-chars-during-GC problem. */ | |
2491 | int temp_index; | |
2492 | short temp_buffer[100]; | |
2493 | ||
dc6f92b8 JB |
2494 | /* Read events coming from the X server. |
2495 | This routine is called by the SIGIO handler. | |
2496 | We return as soon as there are no more events to be read. | |
2497 | ||
2498 | Events representing keys are stored in buffer BUFP, | |
2499 | which can hold up to NUMCHARS characters. | |
2500 | We return the number of characters stored into the buffer, | |
2501 | thus pretending to be `read'. | |
2502 | ||
2503 | WAITP is nonzero if we should block until input arrives. | |
2504 | EXPECTED is nonzero if the caller knows input is available. */ | |
2505 | ||
7c5283e4 | 2506 | int |
dc6f92b8 JB |
2507 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2508 | register int sd; | |
2509 | register struct input_event *bufp; | |
2510 | register int numchars; | |
2511 | int waitp; | |
2512 | int expected; | |
2513 | { | |
2514 | int count = 0; | |
2515 | int nbytes = 0; | |
2516 | int mask; | |
2517 | int items_pending; /* How many items are in the X queue. */ | |
2518 | XEvent event; | |
f676886a | 2519 | struct frame *f; |
dc6f92b8 JB |
2520 | int event_found; |
2521 | int prefix; | |
2522 | Lisp_Object part; | |
2523 | ||
9ac0d9e0 | 2524 | if (interrupt_input_blocked) |
dc6f92b8 | 2525 | { |
9ac0d9e0 | 2526 | interrupt_input_pending = 1; |
dc6f92b8 JB |
2527 | return -1; |
2528 | } | |
2529 | ||
9ac0d9e0 | 2530 | interrupt_input_pending = 0; |
dc6f92b8 JB |
2531 | BLOCK_INPUT; |
2532 | ||
2533 | if (numchars <= 0) | |
2534 | abort (); /* Don't think this happens. */ | |
2535 | ||
2536 | #ifdef FIOSNBIO | |
2537 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2538 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2539 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2540 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2541 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2542 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2543 | |
2544 | #ifndef SIGIO | |
2545 | #ifndef HAVE_SELECT | |
2546 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2547 | { | |
2548 | extern int read_alarm_should_throw; | |
2549 | read_alarm_should_throw = 1; | |
2550 | XPeekEvent (XDISPLAY &event); | |
2551 | read_alarm_should_throw = 0; | |
2552 | } | |
c118dd06 JB |
2553 | #endif /* HAVE_SELECT */ |
2554 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2555 | |
2556 | while (XStuffPending () != 0) | |
2557 | { | |
2558 | XNextEvent (XDISPLAY &event); | |
2559 | event_found = 1; | |
2560 | ||
2561 | switch (event.type) | |
2562 | { | |
2563 | #ifdef HAVE_X11 | |
c047688c JA |
2564 | case ClientMessage: |
2565 | { | |
2566 | if (event.xclient.message_type == Xatom_wm_protocols | |
2567 | && event.xclient.format == 32) | |
2568 | { | |
2569 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2570 | { | |
f676886a JB |
2571 | f = x_window_to_frame (event.xclient.window); |
2572 | if (f) | |
2573 | x_focus_on_frame (f); | |
ab648270 | 2574 | /* Not certain about handling scroll bars here */ |
c047688c JA |
2575 | } |
2576 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2577 | { | |
2578 | /* Save state modify the WM_COMMAND property to | |
2579 | something which can reinstate us. This notifies | |
2580 | the session manager, who's looking for such a | |
2581 | PropertyNotify. Can restart processing when | |
2582 | a keyboard or mouse event arrives. */ | |
2583 | if (numchars > 0) | |
2584 | { | |
2585 | } | |
2586 | } | |
2587 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2588 | { | |
f676886a | 2589 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2590 | |
f676886a | 2591 | if (f) |
c047688c JA |
2592 | if (numchars > 0) |
2593 | { | |
2594 | } | |
2595 | } | |
2596 | } | |
2597 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2598 | { | |
2599 | } | |
2600 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2601 | { | |
2602 | int new_x, new_y; | |
2603 | ||
4357eba7 JB |
2604 | new_x = event.xclient.data.s[0]; |
2605 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2606 | } |
2607 | } | |
2608 | break; | |
dc6f92b8 | 2609 | |
d56a553a RS |
2610 | #ifdef NEW_SELECTIONS |
2611 | case SelectionNotify: | |
2612 | x_handle_selection_notify (&event); | |
2613 | break; | |
2614 | #endif | |
2615 | ||
dc6f92b8 | 2616 | case SelectionClear: /* Someone has grabbed ownership. */ |
d56a553a RS |
2617 | #ifdef NEW_SELECTIONS |
2618 | { | |
2619 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
2620 | ||
2621 | if (numchars == 0) | |
2622 | abort (); | |
2623 | ||
2624 | bufp->kind = selection_clear_event; | |
2625 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2626 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2627 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2628 | bufp++; | |
2629 | ||
2630 | count += 1; | |
2631 | numchars -= 1; | |
2632 | } | |
2633 | #else | |
dc6f92b8 JB |
2634 | x_disown_selection (event.xselectionclear.window, |
2635 | event.xselectionclear.selection, | |
2636 | event.xselectionclear.time); | |
d56a553a | 2637 | #endif |
dc6f92b8 JB |
2638 | break; |
2639 | ||
2640 | case SelectionRequest: /* Someone wants our selection. */ | |
d56a553a RS |
2641 | #ifdef NEW_SELECTIONS |
2642 | { | |
2643 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
2644 | ||
2645 | if (numchars == 0) | |
2646 | abort (); | |
2647 | ||
2648 | bufp->kind = selection_request_event; | |
2649 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2650 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
2651 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2652 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
2653 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
2654 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2655 | bufp++; | |
2656 | ||
2657 | count += 1; | |
2658 | numchars -= 1; | |
2659 | } | |
2660 | #else | |
dc6f92b8 | 2661 | x_answer_selection_request (event); |
d56a553a | 2662 | #endif |
dc6f92b8 JB |
2663 | break; |
2664 | ||
2665 | case PropertyNotify: | |
d56a553a RS |
2666 | #ifdef NEW_SELECTIONS |
2667 | x_handle_property_notify (&event); | |
2668 | #else | |
28430d3c JB |
2669 | /* If we're being told about a root window property, then it's |
2670 | a cut buffer change. */ | |
2671 | if (event.xproperty.window == ROOT_WINDOW) | |
2672 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2673 | ||
2674 | /* Otherwise, we're probably handling an incremental | |
2675 | selection transmission. */ | |
2676 | else | |
2677 | { | |
2678 | /* If we were to do this synchronously, there'd be no worry | |
2679 | about re-selecting. */ | |
2680 | x_send_incremental (event); | |
2681 | } | |
d56a553a | 2682 | #endif |
dc6f92b8 JB |
2683 | break; |
2684 | ||
2685 | case Expose: | |
f676886a JB |
2686 | f = x_window_to_frame (event.xexpose.window); |
2687 | if (f) | |
dc6f92b8 | 2688 | { |
3a88c238 | 2689 | if (f->async_visible == 0) |
dc6f92b8 | 2690 | { |
3a88c238 JB |
2691 | f->async_visible = 1; |
2692 | f->async_iconified = 0; | |
f676886a | 2693 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2694 | } |
2695 | else | |
f451eb13 JB |
2696 | { |
2697 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2698 | event.xexpose.x, event.xexpose.y, | |
2699 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2700 | } |
2701 | } | |
2702 | else | |
2703 | { | |
ab648270 JB |
2704 | struct scroll_bar *bar |
2705 | = x_window_to_scroll_bar (event.xexpose.window); | |
f451eb13 JB |
2706 | |
2707 | if (bar) | |
ab648270 | 2708 | x_scroll_bar_expose (bar, &event); |
dc6f92b8 JB |
2709 | } |
2710 | break; | |
2711 | ||
2712 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2713 | source area was obscured or not | |
2714 | available.*/ | |
f451eb13 JB |
2715 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2716 | if (f) | |
2717 | { | |
2718 | dumprectangle (f, | |
2719 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2720 | event.xgraphicsexpose.width, | |
2721 | event.xgraphicsexpose.height); | |
f451eb13 | 2722 | } |
dc6f92b8 JB |
2723 | break; |
2724 | ||
2725 | case NoExpose: /* This occurs when an XCopyArea's | |
2726 | source area was completely | |
2727 | available */ | |
2728 | break; | |
c118dd06 | 2729 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2730 | case ExposeWindow: |
2731 | if (event.subwindow != 0) | |
2732 | break; /* duplicate event */ | |
f676886a JB |
2733 | f = x_window_to_frame (event.window); |
2734 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2735 | { |
f676886a | 2736 | refreshicon (f); |
3a88c238 | 2737 | f->async_iconified = 1; |
dc6f92b8 | 2738 | } |
c118dd06 | 2739 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2740 | { |
2741 | /* Say must check all windows' needs_exposure flags. */ | |
2742 | expose_all_windows = 1; | |
f676886a | 2743 | f->display.x->needs_exposure = 1; |
3a88c238 | 2744 | f->async_visible = 1; |
dc6f92b8 JB |
2745 | } |
2746 | break; | |
2747 | ||
2748 | case ExposeRegion: | |
2749 | if (event.subwindow != 0) | |
2750 | break; /* duplicate event */ | |
f676886a JB |
2751 | f = x_window_to_frame (event.window); |
2752 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2753 | { |
f676886a | 2754 | refreshicon (f); |
dc6f92b8 JB |
2755 | break; |
2756 | } | |
2757 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2758 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2759 | break; |
2760 | /* Put the event on the queue of rectangles to redraw. */ | |
2761 | if (enqueue_event (&event, &x_expose_queue)) | |
2762 | /* If it is full, we can't record the rectangle, | |
2763 | so redraw this entire window. */ | |
2764 | { | |
2765 | /* Say must check all windows' needs_exposure flags. */ | |
2766 | expose_all_windows = 1; | |
f676886a | 2767 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2768 | } |
2769 | break; | |
2770 | ||
2771 | case ExposeCopy: | |
2772 | /* This should happen only when we are expecting it, | |
2773 | in x_read_exposes. */ | |
2774 | abort (); | |
c118dd06 | 2775 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2776 | |
2777 | #ifdef HAVE_X11 | |
2778 | case UnmapNotify: | |
f451eb13 JB |
2779 | f = x_window_to_frame (event.xunmap.window); |
2780 | if (f) /* F may no longer exist if | |
f676886a | 2781 | the frame was deleted. */ |
f451eb13 JB |
2782 | { |
2783 | /* While a frame is unmapped, display generation is | |
2784 | disabled; you don't want to spend time updating a | |
2785 | display that won't ever be seen. */ | |
2786 | f->async_visible = 0; | |
2787 | } | |
dc6f92b8 JB |
2788 | break; |
2789 | ||
2790 | case MapNotify: | |
f676886a JB |
2791 | f = x_window_to_frame (event.xmap.window); |
2792 | if (f) | |
dc6f92b8 | 2793 | { |
3a88c238 JB |
2794 | f->async_visible = 1; |
2795 | f->async_iconified = 0; | |
dc6f92b8 JB |
2796 | |
2797 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2798 | the frame's display structures. */ |
2799 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2800 | } |
2801 | break; | |
2802 | ||
2803 | /* Turn off processing if we become fully obscured. */ | |
2804 | case VisibilityNotify: | |
2805 | break; | |
2806 | ||
c118dd06 | 2807 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2808 | case UnmapWindow: |
f676886a JB |
2809 | f = x_window_to_frame (event.window); |
2810 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2811 | f->async_iconified = 0; |
c118dd06 | 2812 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2813 | f->async_visible = 0; |
dc6f92b8 | 2814 | break; |
c118dd06 | 2815 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2816 | |
2817 | #ifdef HAVE_X11 | |
2818 | case KeyPress: | |
f676886a | 2819 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2820 | |
f676886a | 2821 | if (f != 0) |
dc6f92b8 JB |
2822 | { |
2823 | KeySym keysym; | |
dc6f92b8 | 2824 | char copy_buffer[80]; |
64bb1782 RS |
2825 | int modifiers; |
2826 | ||
dfeccd2d JB |
2827 | event.xkey.state |
2828 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 2829 | modifiers = event.xkey.state; |
3a2712f9 | 2830 | |
11edeb03 | 2831 | /* This will have to go some day... */ |
752a043f JB |
2832 | |
2833 | /* make_lispy_event turns chars into control chars. | |
2834 | Don't do it here because XLookupString is too eager. */ | |
2835 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
2836 | nbytes = |
2837 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2838 | &compose_status); | |
dc6f92b8 | 2839 | |
55123275 JB |
2840 | /* Strip off the vendor-specific keysym bit, and take a shot |
2841 | at recognizing the codes. HP servers have extra keysyms | |
2842 | that fit into the MiscFunctionKey category. */ | |
2843 | keysym &= ~(1<<28); | |
2844 | ||
dc6f92b8 JB |
2845 | if (numchars > 1) |
2846 | { | |
a3c44b14 RS |
2847 | if ((keysym >= XK_BackSpace && keysym <= XK_Escape) |
2848 | || keysym == XK_Delete | |
2849 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
55123275 JB |
2850 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < 0xff80 */ |
2851 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ | |
2852 | || IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */ | |
dc6f92b8 | 2853 | { |
10e6549c RS |
2854 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2855 | temp_index = 0; | |
2856 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 2857 | bufp->kind = non_ascii_keystroke; |
a3c44b14 | 2858 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff00); |
12ba150f | 2859 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 2860 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 2861 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2862 | bufp++; |
2863 | count++; | |
2864 | numchars--; | |
2865 | } | |
2866 | else if (numchars > nbytes) | |
2867 | { | |
2868 | register int i; | |
2869 | ||
10e6549c | 2870 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 2871 | { |
10e6549c RS |
2872 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2873 | temp_index = 0; | |
2874 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 2875 | bufp->kind = ascii_keystroke; |
10e6549c | 2876 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); |
12ba150f | 2877 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 2878 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 2879 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2880 | bufp++; |
2881 | } | |
dc6f92b8 JB |
2882 | |
2883 | count += nbytes; | |
2884 | numchars -= nbytes; | |
2885 | } | |
10e6549c RS |
2886 | else |
2887 | abort (); | |
dc6f92b8 | 2888 | } |
10e6549c RS |
2889 | else |
2890 | abort (); | |
dc6f92b8 JB |
2891 | } |
2892 | break; | |
c118dd06 | 2893 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2894 | case KeyPressed: |
2895 | { | |
2896 | register char *where_mapping; | |
2897 | ||
f676886a | 2898 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2899 | /* Ignore keys typed on icon windows. */ |
f676886a | 2900 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2901 | break; |
2902 | where_mapping = XLookupMapping (&event, &nbytes); | |
2903 | /* Nasty fix for arrow keys */ | |
2904 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2905 | { | |
2906 | switch (event.detail & 0xff) | |
2907 | { | |
2908 | case KC_CURSOR_LEFT: | |
2909 | where_mapping = "\002"; | |
2910 | break; | |
2911 | case KC_CURSOR_RIGHT: | |
2912 | where_mapping = "\006"; | |
2913 | break; | |
2914 | case KC_CURSOR_UP: | |
2915 | where_mapping = "\020"; | |
2916 | break; | |
2917 | case KC_CURSOR_DOWN: | |
2918 | where_mapping = "\016"; | |
2919 | break; | |
2920 | } | |
2921 | nbytes = 1; | |
2922 | } | |
2923 | if (numchars - nbytes > 0) | |
2924 | { | |
2925 | register int i; | |
2926 | ||
2927 | for (i = 0; i < nbytes; i++) | |
2928 | { | |
2929 | bufp->kind = ascii_keystroke; | |
2930 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2931 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 2932 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
2933 | bufp++; |
2934 | } | |
2935 | count += nbytes; | |
2936 | numchars -= nbytes; | |
2937 | } | |
2938 | } | |
2939 | break; | |
c118dd06 | 2940 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2941 | |
2942 | #ifdef HAVE_X11 | |
f451eb13 JB |
2943 | |
2944 | /* Here's a possible interpretation of the whole | |
2945 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
2946 | FocusIn event, you have to get a FocusOut event before you | |
2947 | relinquish the focus. If you haven't received a FocusIn event, | |
2948 | then a mere LeaveNotify is enough to free you. */ | |
2949 | ||
dc6f92b8 | 2950 | case EnterNotify: |
f676886a | 2951 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 2952 | |
f451eb13 | 2953 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 2954 | { |
dc6f92b8 | 2955 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
2956 | if (f && (!(f->auto_raise) |
2957 | || !(f->auto_lower) | |
dc6f92b8 JB |
2958 | || (event.xcrossing.time - enter_timestamp) > 500)) |
2959 | { | |
f676886a | 2960 | x_new_focus_frame (f); |
dc6f92b8 JB |
2961 | enter_timestamp = event.xcrossing.time; |
2962 | } | |
dc6f92b8 | 2963 | } |
f676886a JB |
2964 | else if (f == x_focus_frame) |
2965 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2966 | |
2967 | break; | |
2968 | ||
2969 | case FocusIn: | |
f676886a | 2970 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2971 | if (event.xfocus.detail != NotifyPointer) |
2972 | x_focus_event_frame = f; | |
f676886a JB |
2973 | if (f) |
2974 | x_new_focus_frame (f); | |
dc6f92b8 JB |
2975 | break; |
2976 | ||
f451eb13 | 2977 | |
dc6f92b8 | 2978 | case LeaveNotify: |
f451eb13 | 2979 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 2980 | |
f451eb13 JB |
2981 | if (event.xcrossing.focus) |
2982 | { | |
2983 | if (! x_focus_event_frame) | |
2984 | x_new_focus_frame (0); | |
2985 | else | |
f676886a | 2986 | x_new_focus_frame (f); |
f451eb13 JB |
2987 | } |
2988 | else | |
2989 | { | |
2990 | if (f == x_focus_event_frame) | |
2991 | x_focus_event_frame = 0; | |
2992 | if (f == x_focus_frame) | |
f676886a | 2993 | x_new_focus_frame (0); |
dc6f92b8 JB |
2994 | } |
2995 | break; | |
2996 | ||
2997 | case FocusOut: | |
f676886a | 2998 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2999 | if (event.xfocus.detail != NotifyPointer |
3000 | && f == x_focus_event_frame) | |
3001 | x_focus_event_frame = 0; | |
f676886a JB |
3002 | if (f && f == x_focus_frame) |
3003 | x_new_focus_frame (0); | |
dc6f92b8 JB |
3004 | break; |
3005 | ||
c118dd06 | 3006 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3007 | |
3008 | case EnterWindow: | |
3009 | if ((event.detail & 0xFF) == 1) | |
3010 | break; /* Coming from our own subwindow */ | |
3011 | if (event.subwindow != 0) | |
3012 | break; /* Entering our own subwindow. */ | |
3013 | ||
3014 | { | |
f676886a JB |
3015 | f = x_window_to_frame (event.window); |
3016 | x_mouse_frame = f; | |
dc6f92b8 | 3017 | |
f676886a | 3018 | x_new_focus_frame (f); |
dc6f92b8 JB |
3019 | } |
3020 | break; | |
3021 | ||
3022 | case LeaveWindow: | |
3023 | if ((event.detail & 0xFF) == 1) | |
3024 | break; /* Entering our own subwindow */ | |
3025 | if (event.subwindow != 0) | |
3026 | break; /* Leaving our own subwindow. */ | |
3027 | ||
f676886a JB |
3028 | x_mouse_frame = 0; |
3029 | if (x_focus_frame == 0 | |
3030 | && x_input_frame != 0 | |
3031 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 3032 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 3033 | { |
f676886a JB |
3034 | f = x_input_frame; |
3035 | x_input_frame = 0; | |
3036 | if (f) | |
3037 | frame_unhighlight (f); | |
dc6f92b8 JB |
3038 | } |
3039 | break; | |
c118dd06 | 3040 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3041 | |
3042 | #ifdef HAVE_X11 | |
3043 | case MotionNotify: | |
3044 | { | |
f676886a JB |
3045 | f = x_window_to_frame (event.xmotion.window); |
3046 | if (f) | |
12ba150f | 3047 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 3048 | else |
dc6f92b8 | 3049 | { |
ab648270 JB |
3050 | struct scroll_bar *bar = |
3051 | x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3052 | |
3053 | if (bar) | |
ab648270 | 3054 | x_scroll_bar_note_movement (bar, &event); |
dc6f92b8 | 3055 | } |
dc6f92b8 JB |
3056 | } |
3057 | break; | |
3058 | ||
3059 | case ConfigureNotify: | |
dbc4e1c1 JB |
3060 | f = x_window_to_frame (event.xconfigure.window); |
3061 | if (f) | |
3062 | { | |
3063 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3064 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3065 | ||
3066 | /* Even if the number of character rows and columns has | |
3067 | not changed, the font size may have changed, so we need | |
3068 | to check the pixel dimensions as well. */ | |
3069 | if (columns != f->width | |
3070 | || rows != f->height | |
3071 | || event.xconfigure.width != f->display.x->pixel_width | |
3072 | || event.xconfigure.height != f->display.x->pixel_height) | |
3073 | { | |
3074 | change_frame_size (f, rows, columns, 0, 1); | |
3075 | SET_FRAME_GARBAGED (f); | |
3076 | } | |
dc6f92b8 | 3077 | |
dbc4e1c1 JB |
3078 | f->display.x->pixel_width = event.xconfigure.width; |
3079 | f->display.x->pixel_height = event.xconfigure.height; | |
3080 | f->display.x->left_pos = event.xconfigure.x; | |
3081 | f->display.x->top_pos = event.xconfigure.y; | |
3082 | } | |
3083 | break; | |
dc6f92b8 JB |
3084 | |
3085 | case ButtonPress: | |
3086 | case ButtonRelease: | |
3087 | { | |
3088 | /* If we decide we want to generate an event to be seen | |
3089 | by the rest of Emacs, we put it here. */ | |
3090 | struct input_event emacs_event; | |
3091 | emacs_event.kind = no_event; | |
3092 | ||
f676886a JB |
3093 | f = x_window_to_frame (event.xbutton.window); |
3094 | if (f) | |
f451eb13 JB |
3095 | { |
3096 | if (!x_focus_frame || (f == x_focus_frame)) | |
3097 | construct_mouse_click (&emacs_event, | |
b10fd412 | 3098 | &event, f); |
f451eb13 | 3099 | } |
dc6f92b8 | 3100 | else |
f451eb13 | 3101 | { |
ab648270 JB |
3102 | struct scroll_bar *bar = |
3103 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3104 | |
3105 | if (bar) | |
ab648270 | 3106 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
f451eb13 | 3107 | } |
dc6f92b8 JB |
3108 | |
3109 | if (numchars >= 1 && emacs_event.kind != no_event) | |
3110 | { | |
3111 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3112 | bufp++; | |
3113 | count++; | |
3114 | numchars--; | |
3115 | } | |
3116 | } | |
3117 | break; | |
3118 | ||
c118dd06 | 3119 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3120 | case ButtonPressed: |
3121 | case ButtonReleased: | |
f676886a JB |
3122 | f = x_window_to_frame (event.window); |
3123 | if (f) | |
dc6f92b8 | 3124 | { |
f676886a | 3125 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 3126 | { |
f676886a | 3127 | x_make_frame_visible (f); |
dc6f92b8 JB |
3128 | |
3129 | if (warp_mouse_on_deiconify) | |
c118dd06 | 3130 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
3131 | break; |
3132 | } | |
c118dd06 | 3133 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 3134 | { |
f676886a JB |
3135 | if (f->auto_raise) |
3136 | x_raise_frame (f); | |
dc6f92b8 JB |
3137 | } |
3138 | } | |
3139 | enqueue_event (&event, &x_mouse_queue); | |
3140 | if (numchars >= 2) | |
3141 | { | |
3142 | bufp->kind = ascii_keystroke; | |
3143 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 3144 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3145 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3146 | bufp++; |
3147 | ||
3148 | bufp->kind = ascii_keystroke; | |
3149 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 3150 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3151 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3152 | bufp++; |
3153 | ||
3154 | count += 2; | |
3155 | numchars -= 2; | |
3156 | } | |
3157 | break; | |
c118dd06 | 3158 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3159 | |
3160 | #ifdef HAVE_X11 | |
3161 | ||
3162 | case CirculateNotify: | |
3163 | break; | |
3164 | case CirculateRequest: | |
3165 | break; | |
3166 | ||
c118dd06 | 3167 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3168 | |
3169 | case MappingNotify: | |
11edeb03 JB |
3170 | /* Someone has changed the keyboard mapping - update the |
3171 | local cache. */ | |
3172 | switch (event.xmapping.request) | |
3173 | { | |
3174 | case MappingModifier: | |
3175 | x_find_modifier_meanings (); | |
3176 | /* This is meant to fall through. */ | |
3177 | case MappingKeyboard: | |
3178 | XRefreshKeyboardMapping (&event.xmapping); | |
3179 | } | |
dc6f92b8 JB |
3180 | break; |
3181 | ||
3182 | default: | |
3183 | break; | |
3184 | } | |
3185 | } | |
3186 | ||
3187 | #if 0 | |
3188 | #ifdef HAVE_SELECT | |
3189 | if (expected && ! event_found) | |
3190 | { | |
3191 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3192 | there is an EOF condition; in other words, that X has died. | |
3193 | Act as if there had been a hangup. */ | |
3194 | ||
3195 | int fd = ConnectionNumber (x_current_display); | |
3196 | int mask = 1 << fd; | |
3197 | ||
3198 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 3199 | (EMACS_TIME) 0) |
dc6f92b8 JB |
3200 | && !XStuffPending ()) |
3201 | kill (getpid (), SIGHUP); | |
3202 | } | |
c118dd06 JB |
3203 | #endif /* ! defined (HAVE_SELECT) */ |
3204 | #endif /* ! 0 */ | |
dc6f92b8 | 3205 | |
f451eb13 | 3206 | #ifndef HAVE_X11 |
f676886a | 3207 | if (updating_frame == 0) |
dc6f92b8 | 3208 | x_do_pending_expose (); |
f451eb13 | 3209 | #endif |
dc6f92b8 JB |
3210 | |
3211 | UNBLOCK_INPUT; | |
3212 | return count; | |
3213 | } | |
3214 | ||
3215 | #ifndef HAVE_X11 | |
3216 | /* Read and process only Expose events | |
3217 | until we get an ExposeCopy event; then return. | |
3218 | This is used in insert/delete line. | |
3219 | We assume input is already blocked. */ | |
3220 | ||
3221 | static void | |
3222 | x_read_exposes () | |
3223 | { | |
f676886a | 3224 | struct frame *f; |
dc6f92b8 JB |
3225 | XKeyPressedEvent event; |
3226 | ||
3227 | while (1) | |
3228 | { | |
3229 | /* while there are more events*/ | |
3230 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3231 | switch (event.type) | |
3232 | { | |
3233 | case ExposeWindow: | |
3234 | if (event.subwindow != 0) | |
3235 | break; /* duplicate event */ | |
f676886a JB |
3236 | f = x_window_to_frame (event.window); |
3237 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3238 | { |
f676886a | 3239 | refreshicon (f); |
dc6f92b8 JB |
3240 | break; |
3241 | } | |
c118dd06 | 3242 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3243 | { |
3244 | expose_all_windows = 1; | |
f676886a | 3245 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3246 | break; |
3247 | } | |
3248 | break; | |
3249 | ||
3250 | case ExposeRegion: | |
3251 | if (event.subwindow != 0) | |
3252 | break; /* duplicate event */ | |
f676886a JB |
3253 | f = x_window_to_frame (event.window); |
3254 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3255 | { |
f676886a | 3256 | refreshicon (f); |
dc6f92b8 JB |
3257 | break; |
3258 | } | |
3259 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3260 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3261 | break; |
3262 | /* Put the event on the queue of rectangles to redraw. */ | |
3263 | if (enqueue_event (&event, &x_expose_queue)) | |
3264 | /* If it is full, we can't record the rectangle, | |
3265 | so redraw this entire window. */ | |
3266 | { | |
3267 | /* Say must check all windows' needs_exposure flags. */ | |
3268 | expose_all_windows = 1; | |
f676886a | 3269 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3270 | } |
3271 | break; | |
3272 | ||
3273 | case ExposeCopy: | |
3274 | return; | |
3275 | } | |
3276 | } | |
3277 | } | |
3278 | #endif /* HAVE_X11 */ | |
3279 | ||
dc6f92b8 | 3280 | \f |
f451eb13 JB |
3281 | /* Drawing the cursor. */ |
3282 | ||
3283 | ||
dc6f92b8 JB |
3284 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3285 | ||
3286 | static void | |
f676886a JB |
3287 | x_draw_box (f) |
3288 | struct frame *f; | |
dc6f92b8 | 3289 | { |
12ba150f JB |
3290 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3291 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3292 | int width = FONT_WIDTH (f->display.x->font); |
3293 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3294 | |
3295 | #ifdef HAVE_X11 | |
c118dd06 | 3296 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3297 | f->display.x->cursor_gc, |
dc6f92b8 | 3298 | left, top, width - 1, height - 1); |
c118dd06 JB |
3299 | #else /* ! defined (HAVE_X11) */ |
3300 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3301 | left, top, width, 1, |
f676886a | 3302 | f->display.x->cursor_pixel); |
dc6f92b8 | 3303 | |
c118dd06 | 3304 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3305 | left, top, 1, height, |
f676886a | 3306 | f->display.x->cursor_pixel); |
dc6f92b8 | 3307 | |
c118dd06 | 3308 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3309 | left+width-1, top, 1, height, |
f676886a | 3310 | f->display.x->cursor_pixel); |
dc6f92b8 | 3311 | |
c118dd06 | 3312 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3313 | left, top+height-1, width, 1, |
f676886a | 3314 | f->display.x->cursor_pixel); |
c118dd06 | 3315 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3316 | } |
3317 | ||
f676886a | 3318 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3319 | and mark the cursor as not shown. |
3320 | This is used when the text where the cursor is | |
3321 | is about to be rewritten. */ | |
3322 | ||
3323 | static void | |
f676886a JB |
3324 | clear_cursor (f) |
3325 | struct frame *f; | |
dc6f92b8 JB |
3326 | { |
3327 | int mask; | |
3328 | ||
f451eb13 | 3329 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3330 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3331 | return; |
3332 | ||
3333 | #ifdef HAVE_X11 | |
f676886a | 3334 | x_display_cursor (f, 0); |
c118dd06 JB |
3335 | #else /* ! defined (HAVE_X11) */ |
3336 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3337 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3338 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3339 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3340 | f->display.x->background_pixel); | |
c118dd06 | 3341 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3342 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3343 | } |
3344 | ||
f676886a | 3345 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3346 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3347 | glyph drawn. */ | |
dc6f92b8 JB |
3348 | |
3349 | static void | |
f676886a JB |
3350 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3351 | struct frame *f; | |
dc6f92b8 | 3352 | int row, column; |
90e65f07 | 3353 | GLYPH glyph; |
dc6f92b8 JB |
3354 | int highlight; |
3355 | { | |
f676886a | 3356 | dumpglyphs (f, |
12ba150f JB |
3357 | CHAR_TO_PIXEL_COL (f, column), |
3358 | CHAR_TO_PIXEL_ROW (f, row), | |
07e34cb0 | 3359 | &glyph, 1, highlight); |
dc6f92b8 JB |
3360 | } |
3361 | ||
dc6f92b8 | 3362 | static void |
dbc4e1c1 | 3363 | x_display_bar_cursor (f, on) |
f676886a | 3364 | struct frame *f; |
dc6f92b8 JB |
3365 | int on; |
3366 | { | |
f676886a | 3367 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3368 | |
49d838ea JB |
3369 | /* This is pointless on invisible frames, and dangerous on garbaged |
3370 | frames; in the latter case, the frame may be in the midst of | |
3371 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3372 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
3373 | return; |
3374 | ||
3375 | if (! on && f->phys_cursor_x < 0) | |
3376 | return; | |
3377 | ||
f676886a | 3378 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3379 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3380 | if (f != updating_frame) |
1113d9db | 3381 | { |
f676886a JB |
3382 | curs_x = FRAME_CURSOR_X (f); |
3383 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3384 | } |
3385 | ||
dbc4e1c1 JB |
3386 | /* If there is anything wrong with the current cursor state, remove it. */ |
3387 | if (f->phys_cursor_x >= 0 | |
3388 | && (!on | |
3389 | || f->phys_cursor_x != curs_x | |
3390 | || f->phys_cursor_y != curs_y | |
3391 | || f->display.x->current_cursor != bar_cursor)) | |
3392 | { | |
3393 | /* Erase the cursor by redrawing the character underneath it. */ | |
3394 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3395 | f->phys_cursor_glyph, | |
3396 | current_glyphs->highlight[f->phys_cursor_y]); | |
3397 | f->phys_cursor_x = -1; | |
3398 | } | |
3399 | ||
3400 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3401 | if (on | |
3402 | && (f->phys_cursor_x < 0 | |
3403 | || (f->display.x->current_cursor != bar_cursor))) | |
3404 | { | |
3405 | f->phys_cursor_glyph | |
3406 | = ((current_glyphs->enable[curs_y] | |
3407 | && curs_x < current_glyphs->used[curs_y]) | |
3408 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3409 | : SPACEGLYPH); | |
3410 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3411 | f->display.x->cursor_gc, | |
3412 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3413 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3414 | 1, FONT_HEIGHT (f->display.x->font)); | |
3415 | ||
3416 | f->phys_cursor_x = curs_x; | |
3417 | f->phys_cursor_y = curs_y; | |
3418 | ||
3419 | f->display.x->current_cursor = bar_cursor; | |
3420 | } | |
3421 | ||
3422 | if (updating_frame != f) | |
3423 | XFlushQueue (); | |
3424 | } | |
3425 | ||
3426 | ||
3427 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3428 | If ON is nonzero, where to put the cursor is specified | |
3429 | by F->cursor_x and F->cursor_y. */ | |
3430 | ||
3431 | static void | |
3432 | x_display_box_cursor (f, on) | |
3433 | struct frame *f; | |
3434 | int on; | |
3435 | { | |
3436 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3437 | ||
49d838ea JB |
3438 | /* This is pointless on invisible frames, and dangerous on garbaged |
3439 | frames; in the latter case, the frame may be in the midst of | |
3440 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3441 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
3442 | return; |
3443 | ||
3444 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3445 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3446 | return; |
3447 | ||
dbc4e1c1 JB |
3448 | /* If we're not updating, then we want to use the current frame's |
3449 | cursor position, not our local idea of where the cursor ought to be. */ | |
3450 | if (f != updating_frame) | |
3451 | { | |
3452 | curs_x = FRAME_CURSOR_X (f); | |
3453 | curs_y = FRAME_CURSOR_Y (f); | |
3454 | } | |
3455 | ||
dc6f92b8 JB |
3456 | /* If cursor is currently being shown and we don't want it to be |
3457 | or it is in the wrong place, | |
3458 | or we want a hollow box and it's not so, (pout!) | |
3459 | erase it. */ | |
f676886a | 3460 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3461 | && (!on |
f676886a JB |
3462 | || f->phys_cursor_x != curs_x |
3463 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3464 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3465 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3466 | { |
3467 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3468 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3469 | f->phys_cursor_glyph, | |
3470 | current_glyphs->highlight[f->phys_cursor_y]); | |
3471 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3472 | } |
3473 | ||
3474 | /* If we want to show a cursor, | |
3475 | or we want a box cursor and it's not so, | |
3476 | write it in the right place. */ | |
3477 | if (on | |
f676886a | 3478 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3479 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3480 | && f == x_highlight_frame))) |
dc6f92b8 | 3481 | { |
f676886a | 3482 | f->phys_cursor_glyph |
1113d9db JB |
3483 | = ((current_glyphs->enable[curs_y] |
3484 | && curs_x < current_glyphs->used[curs_y]) | |
3485 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3486 | : SPACEGLYPH); |
f676886a | 3487 | if (f != x_highlight_frame) |
dc6f92b8 | 3488 | { |
f676886a | 3489 | x_draw_box (f); |
dbc4e1c1 | 3490 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3491 | } |
3492 | else | |
3493 | { | |
f676886a JB |
3494 | x_draw_single_glyph (f, curs_y, curs_x, |
3495 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3496 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3497 | } |
3498 | ||
f676886a JB |
3499 | f->phys_cursor_x = curs_x; |
3500 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3501 | } |
3502 | ||
f676886a | 3503 | if (updating_frame != f) |
dc6f92b8 JB |
3504 | XFlushQueue (); |
3505 | } | |
3506 | ||
f676886a JB |
3507 | x_display_cursor (f, on) |
3508 | struct frame *f; | |
dc6f92b8 JB |
3509 | int on; |
3510 | { | |
dbc4e1c1 | 3511 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3512 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3513 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3514 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3515 | else |
3516 | /* Those are the only two we have implemented! */ | |
3517 | abort (); | |
dc6f92b8 JB |
3518 | } |
3519 | \f | |
3520 | /* Icons. */ | |
3521 | ||
f676886a | 3522 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3523 | when we get an expose event for it. */ |
3524 | ||
f676886a JB |
3525 | refreshicon (f) |
3526 | struct frame *f; | |
dc6f92b8 JB |
3527 | { |
3528 | #ifdef HAVE_X11 | |
3529 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3530 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3531 | int mask; |
3532 | ||
f676886a JB |
3533 | if (f->display.x->icon_bitmap_flag) |
3534 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3535 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3536 | icon_bitmap, GXcopy, AllPlanes); | |
3537 | else | |
3538 | { | |
f676886a | 3539 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3540 | struct Lisp_String *str; |
3541 | unsigned char *string; | |
3542 | ||
3543 | string | |
f676886a | 3544 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3545 | |
f676886a | 3546 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3547 | { |
f676886a JB |
3548 | f->display.x->icon_label = string; |
3549 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3550 | XQueryWidth (string, icon_font_info->id) + 10, |
3551 | icon_font_info->height + 10); | |
3552 | } | |
3553 | ||
f676886a | 3554 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3555 | str->size, icon_font_info->id, |
3556 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3557 | } | |
3558 | XFlushQueue (); | |
c118dd06 | 3559 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3560 | } |
3561 | ||
dbc4e1c1 | 3562 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
3563 | |
3564 | int | |
f676886a JB |
3565 | x_bitmap_icon (f) |
3566 | struct frame *f; | |
dc6f92b8 JB |
3567 | { |
3568 | int mask; | |
3569 | Window icon_window; | |
3570 | ||
c118dd06 | 3571 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3572 | return 1; |
3573 | ||
3574 | #ifdef HAVE_X11 | |
3575 | if (icon_bitmap) | |
3576 | XFreePixmap (x_current_display, icon_bitmap); | |
3577 | ||
3578 | icon_bitmap = | |
c118dd06 | 3579 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3580 | gnu_bits, gnu_width, gnu_height); |
f676886a JB |
3581 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3582 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3583 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3584 | if (f->display.x->icon_desc) |
dc6f92b8 | 3585 | { |
c118dd06 | 3586 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3587 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3588 | } |
3589 | ||
f676886a | 3590 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3591 | 0, 0, sink_width, sink_height, |
3592 | 2, WhitePixmap, (Pixmap) NULL); | |
3593 | ||
3594 | if (icon_window == 0) | |
3595 | return 1; | |
3596 | ||
c118dd06 | 3597 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3598 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3599 | ||
f676886a JB |
3600 | f->display.x->icon_desc = icon_window; |
3601 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3602 | |
3603 | if (icon_bitmap == 0) | |
3604 | icon_bitmap | |
3605 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3606 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3607 | |
3608 | return 0; | |
3609 | } | |
3610 | ||
3611 | ||
f676886a | 3612 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3613 | |
3614 | int | |
f676886a JB |
3615 | x_text_icon (f, icon_name) |
3616 | struct frame *f; | |
dc6f92b8 JB |
3617 | char *icon_name; |
3618 | { | |
3619 | #ifndef HAVE_X11 | |
3620 | int mask; | |
3621 | int width; | |
3622 | Window icon_window; | |
3623 | char *X_DefaultValue; | |
3624 | Bitmap b1; | |
3625 | ||
dc6f92b8 JB |
3626 | #ifndef WhitePixel |
3627 | #define WhitePixel 1 | |
c118dd06 | 3628 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3629 | |
3630 | #ifndef BlackPixel | |
3631 | #define BlackPixel 0 | |
c118dd06 JB |
3632 | #endif /* BlackPixel */ |
3633 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3634 | |
c118dd06 | 3635 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3636 | return 1; |
3637 | ||
dc6f92b8 JB |
3638 | #ifdef HAVE_X11 |
3639 | if (icon_name) | |
f676886a | 3640 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3641 | else |
f676886a JB |
3642 | if (! f->display.x->icon_label) |
3643 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3644 | |
dfeccd2d | 3645 | #if 0 |
c118dd06 | 3646 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3647 | (char *) f->display.x->icon_label); |
dfeccd2d | 3648 | #endif |
dc6f92b8 | 3649 | |
f676886a | 3650 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3651 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3652 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
3653 | if (icon_font_info == 0) |
3654 | icon_font_info | |
3655 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 3656 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
3657 | "BodyFont")); |
3658 | ||
f676886a | 3659 | if (f->display.x->icon_desc) |
dc6f92b8 | 3660 | { |
c118dd06 | 3661 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3662 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3663 | } |
3664 | ||
3665 | if (icon_name) | |
f676886a | 3666 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3667 | else |
f676886a JB |
3668 | if (! f->display.x->icon_label) |
3669 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3670 | |
f676886a JB |
3671 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3672 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3673 | f->display.x->left_pos, | |
3674 | f->display.x->top_pos, | |
dc6f92b8 JB |
3675 | width + 10, icon_font_info->height + 10, |
3676 | 2, BlackPixmap, WhitePixmap); | |
3677 | ||
3678 | if (icon_window == 0) | |
3679 | return 1; | |
3680 | ||
c118dd06 | 3681 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3682 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3683 | ||
f676886a JB |
3684 | f->display.x->icon_desc = icon_window; |
3685 | f->display.x->icon_bitmap_flag = 0; | |
3686 | f->display.x->icon_label = 0; | |
c118dd06 | 3687 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3688 | |
3689 | return 0; | |
3690 | } | |
3691 | \f | |
4746118a JB |
3692 | /* Handling X errors. */ |
3693 | ||
12ba150f JB |
3694 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3695 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3696 | |
4746118a | 3697 | static SIGTYPE |
c118dd06 | 3698 | x_connection_closed () |
4746118a JB |
3699 | { |
3700 | if (_Xdebug) | |
3701 | abort (); | |
12ba150f JB |
3702 | |
3703 | shut_down_emacs (0); | |
3704 | ||
3705 | exit (70); | |
4746118a JB |
3706 | } |
3707 | ||
8922af5f JB |
3708 | /* An X error handler which prints an error message and then kills |
3709 | Emacs. This is what's normally installed as Xlib's handler for | |
3710 | protocol errors. */ | |
c118dd06 JB |
3711 | static int |
3712 | x_error_quitter (display, error) | |
3713 | Display *display; | |
3714 | XErrorEvent *error; | |
3715 | { | |
3716 | char buf[256]; | |
dc6f92b8 | 3717 | |
c118dd06 JB |
3718 | /* Note that there is no real way portable across R3/R4 to get the |
3719 | original error handler. */ | |
dc6f92b8 | 3720 | |
c118dd06 JB |
3721 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3722 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3723 | buf, error->request_code); | |
dc6f92b8 | 3724 | |
12ba150f JB |
3725 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3726 | get an X error, so we can figure out why it happened. */ | |
3727 | abort (); | |
3728 | ||
c118dd06 | 3729 | x_connection_closed (); |
dc6f92b8 JB |
3730 | } |
3731 | ||
8922af5f JB |
3732 | /* A handler for X IO errors which prints an error message and then |
3733 | kills Emacs. This is what is always installed as Xlib's handler | |
3734 | for I/O errors. */ | |
3735 | static int | |
3736 | x_io_error_quitter (display) | |
3737 | Display *display; | |
3738 | { | |
3739 | fprintf (stderr, "Connection to X server %s lost.\n", | |
3740 | XDisplayName (DisplayString (display))); | |
3741 | ||
3742 | /* While we're testing Emacs 19, we'll just dump core whenever we | |
3743 | get an X error, so we can figure out why it happened. */ | |
3744 | abort (); | |
3745 | ||
3746 | x_connection_closed (); | |
3747 | } | |
3748 | ||
c118dd06 JB |
3749 | /* A buffer for storing X error messages. */ |
3750 | static char (*x_caught_error_message)[200]; | |
3751 | ||
3752 | /* An X error handler which stores the error message in | |
3753 | x_caught_error_message. This is what's installed when | |
3754 | x_catch_errors is in effect. */ | |
3755 | static int | |
3756 | x_error_catcher (display, error) | |
3757 | Display *display; | |
3758 | XErrorEvent *error; | |
3759 | { | |
3760 | XGetErrorText (display, error->error_code, | |
3761 | *x_caught_error_message, sizeof (*x_caught_error_message)); | |
3762 | } | |
3763 | ||
3764 | ||
3765 | /* Begin trapping X errors. | |
dc6f92b8 | 3766 | |
c118dd06 JB |
3767 | After calling this function, X protocol errors no longer cause |
3768 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3769 | |
c118dd06 JB |
3770 | Calling x_check_errors signals an Emacs error if an X error has |
3771 | occurred since the last call to x_catch_errors or x_check_errors. | |
3772 | ||
3773 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3774 | ||
3775 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3776 | ||
3777 | void | |
3778 | x_catch_errors () | |
dc6f92b8 | 3779 | { |
c118dd06 JB |
3780 | /* Make sure any errors from previous requests have been dealt with. */ |
3781 | XSync (x_current_display, False); | |
dc6f92b8 | 3782 | |
c118dd06 JB |
3783 | /* Set up the error buffer. */ |
3784 | x_caught_error_message = | |
3785 | (char (*)[]) xmalloc (sizeof (*x_caught_error_message)); | |
d872b748 | 3786 | (*x_caught_error_message)[0] = '\0'; |
16bd92ea | 3787 | |
c118dd06 JB |
3788 | /* Install our little error handler. */ |
3789 | XHandleError (x_error_catcher); | |
3790 | } | |
16bd92ea | 3791 | |
c118dd06 JB |
3792 | /* If any X protocol errors have arrived since the last call to |
3793 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3794 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3795 | void | |
3796 | x_check_errors (format) | |
3797 | char *format; | |
3798 | { | |
3799 | /* Make sure to catch any errors incurred so far. */ | |
3800 | XSync (x_current_display, False); | |
16bd92ea | 3801 | |
c118dd06 JB |
3802 | if ((*x_caught_error_message)[0]) |
3803 | { | |
3804 | char buf[256]; | |
3805 | ||
3806 | sprintf (buf, format, *x_caught_error_message); | |
9ac0d9e0 | 3807 | xfree (x_caught_error_message); |
dc6f92b8 | 3808 | |
c118dd06 JB |
3809 | x_uncatch_errors (); |
3810 | error (buf); | |
3811 | } | |
3812 | } | |
3813 | ||
3814 | void | |
3815 | x_uncatch_errors () | |
3816 | { | |
9ac0d9e0 | 3817 | xfree (x_caught_error_message); |
c118dd06 | 3818 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
3819 | } |
3820 | ||
dc6f92b8 JB |
3821 | #if 0 |
3822 | static unsigned int x_wire_count; | |
3823 | x_trace_wire () | |
3824 | { | |
3825 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3826 | } | |
c118dd06 | 3827 | #endif /* ! 0 */ |
dc6f92b8 JB |
3828 | |
3829 | \f | |
f451eb13 JB |
3830 | /* Changing the font of the frame. */ |
3831 | ||
f676886a | 3832 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3833 | to the font named NEWNAME. This is safe to use |
f676886a | 3834 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3835 | |
3836 | #ifdef HAVE_X11 | |
3837 | ||
3838 | /* A table of all the fonts we have already loaded. */ | |
3839 | static XFontStruct **x_font_table; | |
3840 | ||
3841 | /* The current capacity of x_font_table. */ | |
3842 | static int x_font_table_size; | |
3843 | ||
3844 | /* The number of fonts actually stored in x_font_table. | |
3845 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3846 | 0 <= n_fonts <= x_font_table_size. */ | |
3847 | static int n_fonts; | |
3848 | ||
f676886a JB |
3849 | x_new_font (f, fontname) |
3850 | struct frame *f; | |
dc6f92b8 JB |
3851 | register char *fontname; |
3852 | { | |
3853 | XFontStruct *temp; | |
3854 | int already_loaded; | |
3855 | int n_matching_fonts; | |
3856 | XFontStruct *font_info; | |
3857 | char **font_names; | |
3858 | ||
3859 | /* Get a list of all the fonts that match this name. Once we | |
3860 | have a list of matching fonts, we compare them against the fonts | |
3861 | we already have by comparing font ids. */ | |
3862 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3863 | 1024, &n_matching_fonts, | |
3864 | &font_info); | |
3865 | /* If the server couldn't find any fonts whose named matched fontname, | |
3866 | return an error code. */ | |
3867 | if (n_matching_fonts == 0) | |
3868 | return 1; | |
3869 | ||
90e65f07 | 3870 | /* See if we've already loaded a matching font. */ |
dc6f92b8 JB |
3871 | { |
3872 | int i, j; | |
3873 | ||
3874 | already_loaded = 0; | |
3875 | for (i = 0; i < n_fonts; i++) | |
3876 | for (j = 0; j < n_matching_fonts; j++) | |
3877 | if (x_font_table[i]->fid == font_info[j].fid) | |
3878 | { | |
3879 | already_loaded = i; | |
3880 | goto found_font; | |
3881 | } | |
3882 | } | |
3883 | found_font: | |
3884 | ||
3885 | /* If we have, just return it from the table. */ | |
3886 | if (already_loaded) | |
f676886a | 3887 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3888 | |
dc6f92b8 JB |
3889 | /* Otherwise, load the font and add it to the table. */ |
3890 | else | |
3891 | { | |
3892 | XFontStruct *font; | |
3893 | ||
3894 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); | |
3895 | if (! font) | |
3896 | return 1; | |
3897 | ||
3898 | /* Do we need to create the table? */ | |
3899 | if (x_font_table_size == 0) | |
3900 | { | |
3901 | x_font_table_size = 16; | |
3902 | x_font_table | |
3903 | = (XFontStruct **) xmalloc (x_font_table_size | |
3904 | * sizeof (x_font_table[0])); | |
3905 | } | |
3906 | /* Do we need to grow the table? */ | |
3907 | else if (n_fonts >= x_font_table_size) | |
3908 | { | |
90e65f07 | 3909 | x_font_table_size *= 2; |
dc6f92b8 JB |
3910 | x_font_table |
3911 | = (XFontStruct **) xrealloc (x_font_table, | |
3912 | (x_font_table_size | |
3913 | * sizeof (x_font_table[0]))); | |
3914 | } | |
3915 | ||
f676886a | 3916 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
3917 | } |
3918 | ||
3919 | /* Free the information from XListFontsWithInfo. The data | |
3920 | we actually retain comes from XLoadQueryFont. */ | |
3921 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
3922 | ||
f676886a | 3923 | /* Now make the frame display the given font. */ |
c118dd06 | 3924 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 3925 | { |
f676886a JB |
3926 | XSetFont (x_current_display, f->display.x->normal_gc, |
3927 | f->display.x->font->fid); | |
3928 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
3929 | f->display.x->font->fid); | |
3930 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
3931 | f->display.x->font->fid); | |
decb54c6 | 3932 | init_frame_faces (f); |
f676886a JB |
3933 | |
3934 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
3935 | } |
3936 | ||
3937 | return 0; | |
3938 | } | |
c118dd06 | 3939 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
3940 | x_new_font (f, newname) |
3941 | struct frame *f; | |
dc6f92b8 JB |
3942 | register char *newname; |
3943 | { | |
3944 | FONT_TYPE *temp; | |
3945 | int mask; | |
3946 | ||
3947 | temp = XGetFont (newname); | |
3948 | if (temp == (FONT_TYPE *) 0) | |
3949 | return 1; | |
3950 | ||
f676886a JB |
3951 | if (f->display.x->font) |
3952 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 3953 | |
f676886a | 3954 | f->display.x->font = temp; |
dc6f92b8 | 3955 | |
c118dd06 | 3956 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 3957 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
3958 | |
3959 | return 0; | |
3960 | } | |
c118dd06 | 3961 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3962 | \f |
f451eb13 JB |
3963 | /* X Window sizes and positions. */ |
3964 | ||
f676886a JB |
3965 | x_calc_absolute_position (f) |
3966 | struct frame *f; | |
dc6f92b8 JB |
3967 | { |
3968 | #ifdef HAVE_X11 | |
f676886a JB |
3969 | if (f->display.x->left_pos < 0) |
3970 | f->display.x->left_pos | |
7c5283e4 | 3971 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 3972 | |
f676886a JB |
3973 | if (f->display.x->top_pos < 0) |
3974 | f->display.x->top_pos | |
7c5283e4 | 3975 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 3976 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3977 | WINDOWINFO_TYPE parentinfo; |
3978 | ||
c118dd06 | 3979 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 3980 | |
f676886a JB |
3981 | if (f->display.x->left_pos < 0) |
3982 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
3983 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 3984 | |
f676886a JB |
3985 | if (f->display.x->top_pos < 0) |
3986 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
3987 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 3988 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3989 | } |
3990 | ||
f676886a JB |
3991 | x_set_offset (f, xoff, yoff) |
3992 | struct frame *f; | |
dc6f92b8 JB |
3993 | register int xoff, yoff; |
3994 | { | |
f676886a JB |
3995 | f->display.x->top_pos = yoff; |
3996 | f->display.x->left_pos = xoff; | |
3997 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
3998 | |
3999 | BLOCK_INPUT; | |
c118dd06 | 4000 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 4001 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 4002 | #ifdef HAVE_X11 |
f676886a | 4003 | x_wm_set_size_hint (f, 0); |
c118dd06 | 4004 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4005 | UNBLOCK_INPUT; |
4006 | } | |
4007 | ||
f676886a | 4008 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 4009 | |
f676886a JB |
4010 | x_set_window_size (f, cols, rows) |
4011 | struct frame *f; | |
b1c884c3 | 4012 | int cols, rows; |
dc6f92b8 JB |
4013 | { |
4014 | int pixelwidth, pixelheight; | |
4015 | int mask; | |
dc6f92b8 JB |
4016 | |
4017 | BLOCK_INPUT; | |
4018 | ||
b1c884c3 | 4019 | check_frame_size (f, &rows, &cols); |
ab648270 JB |
4020 | f->display.x->vertical_scroll_bar_extra = |
4021 | (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
4022 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
f451eb13 JB |
4023 | : 0); |
4024 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
4025 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
4026 | |
4027 | #ifdef HAVE_X11 | |
f676886a | 4028 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
4029 | #endif /* ! defined (HAVE_X11) */ |
4030 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
4031 | |
4032 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4033 | but the window manager will get around to dealing with the size | |
4034 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4035 | ConfigureNotify event gets here. |
4036 | ||
4037 | We could just not bother storing any of this information here, | |
4038 | and let the ConfigureNotify event set everything up, but that | |
4039 | might be kind of confusing to the lisp code, since size changes | |
4040 | wouldn't be reported in the frame parameters until some random | |
4041 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4042 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4043 | PIXEL_WIDTH (f) = pixelwidth; |
4044 | PIXEL_HEIGHT (f) = pixelheight; | |
4045 | ||
dbc4e1c1 JB |
4046 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4047 | receive in the ConfigureNotify event; if we get what we asked | |
4048 | for, then the event won't cause the screen to become garbaged, so | |
4049 | we have to make sure to do it here. */ | |
4050 | SET_FRAME_GARBAGED (f); | |
4051 | ||
dc6f92b8 JB |
4052 | XFlushQueue (); |
4053 | UNBLOCK_INPUT; | |
4054 | } | |
4055 | ||
4056 | #ifndef HAVE_X11 | |
f676886a JB |
4057 | x_set_resize_hint (f) |
4058 | struct frame *f; | |
dc6f92b8 | 4059 | { |
12ba150f JB |
4060 | XSetResizeHint (FRAME_X_WINDOW (f), |
4061 | 2 * f->display.x->internal_border_width, | |
f676886a | 4062 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
4063 | FONT_WIDTH (f->display.x->font), |
4064 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 4065 | } |
c118dd06 | 4066 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4067 | \f |
f451eb13 | 4068 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4069 | |
f676886a JB |
4070 | x_set_mouse_position (f, x, y) |
4071 | struct frame *f; | |
dc6f92b8 JB |
4072 | int x, y; |
4073 | { | |
4074 | int pix_x, pix_y; | |
4075 | ||
f676886a | 4076 | x_raise_frame (f); |
dc6f92b8 | 4077 | |
12ba150f JB |
4078 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
4079 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
4080 | |
4081 | if (pix_x < 0) pix_x = 0; | |
4082 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4083 | ||
4084 | if (pix_y < 0) pix_y = 0; | |
4085 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4086 | |
4087 | BLOCK_INPUT; | |
dc6f92b8 | 4088 | |
c118dd06 | 4089 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
4090 | UNBLOCK_INPUT; |
4091 | } | |
4092 | ||
4093 | #ifdef HAVE_X11 | |
f676886a JB |
4094 | x_focus_on_frame (f) |
4095 | struct frame *f; | |
dc6f92b8 | 4096 | { |
f676886a | 4097 | x_raise_frame (f); |
6d4238f3 JB |
4098 | #if 0 |
4099 | /* I don't think that the ICCCM allows programs to do things like this | |
4100 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4101 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 4102 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 4103 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4104 | #endif /* ! 0 */ |
dc6f92b8 JB |
4105 | } |
4106 | ||
f676886a JB |
4107 | x_unfocus_frame (f) |
4108 | struct frame *f; | |
dc6f92b8 | 4109 | { |
6d4238f3 | 4110 | #if 0 |
f676886a JB |
4111 | /* Look at the remarks in x_focus_on_frame. */ |
4112 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4113 | XSetInputFocus (x_current_display, PointerRoot, |
4114 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4115 | #endif /* ! 0 */ |
dc6f92b8 JB |
4116 | } |
4117 | ||
c118dd06 | 4118 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4119 | |
f676886a | 4120 | /* Raise frame F. */ |
dc6f92b8 | 4121 | |
f676886a JB |
4122 | x_raise_frame (f) |
4123 | struct frame *f; | |
dc6f92b8 | 4124 | { |
3a88c238 | 4125 | if (f->async_visible) |
dc6f92b8 JB |
4126 | { |
4127 | BLOCK_INPUT; | |
c118dd06 | 4128 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4129 | XFlushQueue (); |
4130 | UNBLOCK_INPUT; | |
4131 | } | |
4132 | } | |
4133 | ||
f676886a | 4134 | /* Lower frame F. */ |
dc6f92b8 | 4135 | |
f676886a JB |
4136 | x_lower_frame (f) |
4137 | struct frame *f; | |
dc6f92b8 | 4138 | { |
3a88c238 | 4139 | if (f->async_visible) |
dc6f92b8 JB |
4140 | { |
4141 | BLOCK_INPUT; | |
c118dd06 | 4142 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4143 | XFlushQueue (); |
4144 | UNBLOCK_INPUT; | |
4145 | } | |
4146 | } | |
4147 | ||
dbc4e1c1 JB |
4148 | static void |
4149 | XTframe_raise_lower (f, raise) | |
4150 | FRAME_PTR f; | |
4151 | int raise; | |
4152 | { | |
4153 | if (raise) | |
4154 | x_raise_frame (f); | |
4155 | else | |
4156 | x_lower_frame (f); | |
4157 | } | |
4158 | ||
4159 | ||
dc6f92b8 JB |
4160 | /* Change from withdrawn state to mapped state. */ |
4161 | ||
f676886a JB |
4162 | x_make_frame_visible (f) |
4163 | struct frame *f; | |
dc6f92b8 JB |
4164 | { |
4165 | int mask; | |
4166 | ||
dc6f92b8 | 4167 | BLOCK_INPUT; |
dc6f92b8 | 4168 | |
f676886a | 4169 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
4170 | { |
4171 | #ifdef HAVE_X11 | |
4172 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4173 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 4174 | |
c118dd06 | 4175 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
ab648270 | 4176 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
4177 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4178 | #else /* ! defined (HAVE_X11) */ | |
4179 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4180 | if (f->display.x->icon_desc != 0) |
4181 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4182 | |
90e65f07 | 4183 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4184 | f->async_visible = 1; |
4185 | f->async_iconified = 0; | |
dc6f92b8 | 4186 | |
f676886a | 4187 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4188 | XTcursor_to (0, 0); |
c118dd06 | 4189 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4190 | } |
dc6f92b8 | 4191 | |
dc6f92b8 | 4192 | XFlushQueue (); |
90e65f07 | 4193 | |
dc6f92b8 JB |
4194 | UNBLOCK_INPUT; |
4195 | } | |
4196 | ||
4197 | /* Change from mapped state to withdrawn state. */ | |
4198 | ||
f676886a JB |
4199 | x_make_frame_invisible (f) |
4200 | struct frame *f; | |
dc6f92b8 JB |
4201 | { |
4202 | int mask; | |
4203 | ||
3a88c238 | 4204 | if (! f->async_visible) |
dc6f92b8 JB |
4205 | return; |
4206 | ||
4207 | BLOCK_INPUT; | |
c118dd06 JB |
4208 | |
4209 | #ifdef HAVE_X11R4 | |
4210 | ||
4211 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
4212 | DefaultScreen (x_current_display))) | |
4213 | { | |
4214 | UNBLOCK_INPUT_RESIGNAL; | |
4215 | error ("can't notify window manager of window withdrawl"); | |
4216 | } | |
4217 | ||
4218 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4219 | #ifdef HAVE_X11 |
16bd92ea | 4220 | |
c118dd06 | 4221 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4222 | if (! EQ (Vx_no_window_manager, Qt)) |
4223 | { | |
16bd92ea | 4224 | XEvent unmap; |
dc6f92b8 | 4225 | |
16bd92ea | 4226 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 4227 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4228 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4229 | unmap.xunmap.from_configure = False; | |
4230 | if (! XSendEvent (x_current_display, | |
4231 | DefaultRootWindow (x_current_display), | |
4232 | False, | |
4233 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4234 | &unmap)) | |
4235 | { | |
4236 | UNBLOCK_INPUT_RESIGNAL; | |
4237 | error ("can't notify window manager of withdrawal"); | |
4238 | } | |
dc6f92b8 JB |
4239 | } |
4240 | ||
16bd92ea | 4241 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
4242 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
4243 | ||
4244 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 4245 | |
c118dd06 | 4246 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4247 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4248 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4249 | XUnmapWindow (f->display.x->icon_desc); |
4250 | ||
4251 | #endif /* ! defined (HAVE_X11) */ | |
4252 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4253 | |
4254 | XFlushQueue (); | |
4255 | UNBLOCK_INPUT; | |
4256 | } | |
4257 | ||
dc6f92b8 JB |
4258 | /* Change window state from mapped to iconified. */ |
4259 | ||
f676886a JB |
4260 | x_iconify_frame (f) |
4261 | struct frame *f; | |
dc6f92b8 JB |
4262 | { |
4263 | int mask; | |
4264 | ||
3a88c238 | 4265 | if (f->async_iconified) |
dc6f92b8 JB |
4266 | return; |
4267 | ||
4268 | BLOCK_INPUT; | |
4269 | ||
4270 | #ifdef HAVE_X11 | |
16bd92ea JB |
4271 | /* Since we don't know which revision of X we're running, we'll use both |
4272 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4273 | ||
4274 | /* X11R4: send a ClientMessage to the window manager using the | |
4275 | WM_CHANGE_STATE type. */ | |
4276 | { | |
4277 | XEvent message; | |
4278 | ||
c118dd06 | 4279 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4280 | message.xclient.type = ClientMessage; |
4281 | message.xclient.message_type = Xatom_wm_change_state; | |
4282 | message.xclient.format = 32; | |
4283 | message.xclient.data.l[0] = IconicState; | |
4284 | ||
4285 | if (! XSendEvent (x_current_display, | |
4286 | DefaultRootWindow (x_current_display), | |
4287 | False, | |
4288 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4289 | &message)) | |
dc6f92b8 JB |
4290 | { |
4291 | UNBLOCK_INPUT_RESIGNAL; | |
4292 | error ("Can't notify window manager of iconification."); | |
4293 | } | |
16bd92ea | 4294 | } |
dc6f92b8 | 4295 | |
16bd92ea JB |
4296 | /* X11R3: set the initial_state field of the window manager hints to |
4297 | IconicState. */ | |
4298 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4299 | |
3a88c238 | 4300 | f->async_iconified = 1; |
c118dd06 JB |
4301 | #else /* ! defined (HAVE_X11) */ |
4302 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4303 | |
3a88c238 | 4304 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4305 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4306 | { |
f676886a JB |
4307 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4308 | refreshicon (f); | |
dc6f92b8 | 4309 | } |
c118dd06 | 4310 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4311 | |
4312 | XFlushQueue (); | |
4313 | UNBLOCK_INPUT; | |
4314 | } | |
4315 | ||
c0ff3fab | 4316 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4317 | |
c0ff3fab | 4318 | x_destroy_window (f) |
f676886a | 4319 | struct frame *f; |
dc6f92b8 | 4320 | { |
dc6f92b8 | 4321 | BLOCK_INPUT; |
c0ff3fab JB |
4322 | |
4323 | if (f->display.x->icon_desc != 0) | |
4324 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4325 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
07e34cb0 | 4326 | free_frame_faces (f); |
dc6f92b8 | 4327 | XFlushQueue (); |
dc6f92b8 | 4328 | |
9ac0d9e0 | 4329 | xfree (f->display.x); |
c0ff3fab | 4330 | f->display.x = 0; |
f676886a JB |
4331 | if (f == x_focus_frame) |
4332 | x_focus_frame = 0; | |
4333 | if (f == x_highlight_frame) | |
4334 | x_highlight_frame = 0; | |
c0ff3fab JB |
4335 | |
4336 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4337 | } |
4338 | \f | |
f451eb13 JB |
4339 | /* Manage event queues for X10. */ |
4340 | ||
dc6f92b8 JB |
4341 | #ifndef HAVE_X11 |
4342 | ||
4343 | /* Manage event queues. | |
4344 | ||
4345 | This code is only used by the X10 support. | |
4346 | ||
4347 | We cannot leave events in the X queue and get them when we are ready | |
4348 | because X does not provide a subroutine to get only a certain kind | |
4349 | of event but not block if there are no queued events of that kind. | |
4350 | ||
4351 | Therefore, we must examine events as they come in and copy events | |
4352 | of certain kinds into our private queues. | |
4353 | ||
4354 | All ExposeRegion events are put in x_expose_queue. | |
4355 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4356 | ||
4357 | ||
4358 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4359 | If the queue is full, do nothing, but return nonzero. */ | |
4360 | ||
4361 | int | |
4362 | enqueue_event (p_xrep, queue) | |
4363 | register XEvent *p_xrep; | |
4364 | register struct event_queue *queue; | |
4365 | { | |
4366 | int newindex = queue->windex + 1; | |
4367 | if (newindex == EVENT_BUFFER_SIZE) | |
4368 | newindex = 0; | |
4369 | if (newindex == queue->rindex) | |
4370 | return -1; | |
4371 | queue->xrep[queue->windex] = *p_xrep; | |
4372 | queue->windex = newindex; | |
4373 | return 0; | |
4374 | } | |
4375 | ||
4376 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4377 | If *QUEUE is empty, do nothing and return 0. */ | |
4378 | ||
4379 | int | |
4380 | dequeue_event (p_xrep, queue) | |
4381 | register XEvent *p_xrep; | |
4382 | register struct event_queue *queue; | |
4383 | { | |
4384 | if (queue->windex == queue->rindex) | |
4385 | return 0; | |
4386 | *p_xrep = queue->xrep[queue->rindex++]; | |
4387 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4388 | queue->rindex = 0; | |
4389 | return 1; | |
4390 | } | |
4391 | ||
4392 | /* Return the number of events buffered in *QUEUE. */ | |
4393 | ||
4394 | int | |
4395 | queue_event_count (queue) | |
4396 | register struct event_queue *queue; | |
4397 | { | |
4398 | int tem = queue->windex - queue->rindex; | |
4399 | if (tem >= 0) | |
4400 | return tem; | |
4401 | return EVENT_BUFFER_SIZE + tem; | |
4402 | } | |
4403 | ||
4404 | /* Return nonzero if mouse input is pending. */ | |
4405 | ||
4406 | int | |
4407 | mouse_event_pending_p () | |
4408 | { | |
4409 | return queue_event_count (&x_mouse_queue); | |
4410 | } | |
c118dd06 | 4411 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4412 | \f |
f451eb13 JB |
4413 | /* Setting window manager hints. */ |
4414 | ||
dc6f92b8 JB |
4415 | #ifdef HAVE_X11 |
4416 | ||
f676886a JB |
4417 | x_wm_set_size_hint (f, prompting) |
4418 | struct frame *f; | |
dc6f92b8 JB |
4419 | long prompting; |
4420 | { | |
4421 | XSizeHints size_hints; | |
c118dd06 | 4422 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 JB |
4423 | |
4424 | size_hints.flags = PResizeInc | PMinSize | PMaxSize; | |
4425 | ||
f676886a JB |
4426 | flexlines = f->height; |
4427 | ||
4428 | size_hints.x = f->display.x->left_pos; | |
4429 | size_hints.y = f->display.x->top_pos; | |
4430 | size_hints.height = PIXEL_HEIGHT (f); | |
4431 | size_hints.width = PIXEL_WIDTH (f); | |
4432 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4433 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
12ba150f JB |
4434 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4435 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f451eb13 | 4436 | |
b1c884c3 | 4437 | { |
b0342f17 JB |
4438 | int base_width, base_height; |
4439 | ||
f451eb13 JB |
4440 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4441 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4442 | |
4443 | { | |
4444 | int min_rows = 0, min_cols = 0; | |
4445 | check_frame_size (f, &min_rows, &min_cols); | |
4446 | ||
4447 | /* The window manager uses the base width hints to calculate the | |
4448 | current number of rows and columns in the frame while | |
4449 | resizing; min_width and min_height aren't useful for this | |
4450 | purpose, since they might not give the dimensions for a | |
4451 | zero-row, zero-column frame. | |
4452 | ||
4453 | We use the base_width and base_height members if we have | |
4454 | them; otherwise, we set the min_width and min_height members | |
4455 | to the size for a zero x zero frame. */ | |
4456 | ||
4457 | #ifdef HAVE_X11R4 | |
4458 | size_hints.flags |= PBaseSize; | |
4459 | size_hints.base_width = base_width; | |
4460 | size_hints.base_height = base_height; | |
4461 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4462 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4463 | #else | |
4464 | size_hints.min_width = base_width; | |
4465 | size_hints.min_height = base_height; | |
4466 | #endif | |
4467 | } | |
b1c884c3 | 4468 | |
b1c884c3 | 4469 | } |
dc6f92b8 JB |
4470 | |
4471 | if (prompting) | |
4472 | size_hints.flags |= prompting; | |
4473 | else | |
4474 | { | |
4475 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4476 | ||
4477 | XGetNormalHints (x_current_display, window, &hints); | |
4478 | if (hints.flags & PSize) | |
4479 | size_hints.flags |= PSize; | |
4480 | if (hints.flags & PPosition) | |
4481 | size_hints.flags |= PPosition; | |
4482 | if (hints.flags & USPosition) | |
4483 | size_hints.flags |= USPosition; | |
4484 | if (hints.flags & USSize) | |
4485 | size_hints.flags |= USSize; | |
4486 | } | |
16bd92ea | 4487 | |
b0342f17 JB |
4488 | #ifdef HAVE_X11R4 |
4489 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4490 | #else | |
dc6f92b8 | 4491 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4492 | #endif |
dc6f92b8 JB |
4493 | } |
4494 | ||
4495 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4496 | x_wm_set_window_state (f, state) |
4497 | struct frame *f; | |
dc6f92b8 JB |
4498 | int state; |
4499 | { | |
c118dd06 | 4500 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4501 | |
16bd92ea JB |
4502 | f->display.x->wm_hints.flags |= StateHint; |
4503 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4504 | |
16bd92ea | 4505 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4506 | } |
4507 | ||
f676886a JB |
4508 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4509 | struct frame *f; | |
dc6f92b8 JB |
4510 | Pixmap icon_pixmap; |
4511 | { | |
c118dd06 | 4512 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4513 | |
dbc4e1c1 JB |
4514 | if (icon_pixmap) |
4515 | { | |
4516 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
4517 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
4518 | } | |
4519 | else | |
4520 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 4521 | |
16bd92ea | 4522 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4523 | } |
4524 | ||
f676886a JB |
4525 | x_wm_set_icon_position (f, icon_x, icon_y) |
4526 | struct frame *f; | |
dc6f92b8 JB |
4527 | int icon_x, icon_y; |
4528 | { | |
c118dd06 | 4529 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4530 | |
16bd92ea JB |
4531 | f->display.x->wm_hints.flags |= IconPositionHint; |
4532 | f->display.x->wm_hints.icon_x = icon_x; | |
4533 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4534 | |
16bd92ea | 4535 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4536 | } |
4537 | ||
4538 | \f | |
f451eb13 JB |
4539 | /* Initialization. */ |
4540 | ||
dc6f92b8 JB |
4541 | void |
4542 | x_term_init (display_name) | |
4543 | char *display_name; | |
4544 | { | |
f676886a | 4545 | Lisp_Object frame; |
dc6f92b8 JB |
4546 | char *defaultvalue; |
4547 | #ifdef F_SETOWN | |
4548 | extern int old_fcntl_owner; | |
c118dd06 | 4549 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4550 | |
f676886a | 4551 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4552 | |
4553 | x_current_display = XOpenDisplay (display_name); | |
4554 | if (x_current_display == 0) | |
4555 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4556 | display_name); | |
4557 | ||
4558 | #ifdef HAVE_X11 | |
4559 | { | |
16bd92ea | 4560 | int hostname_size = 256; |
60fb3ee1 JB |
4561 | |
4562 | hostname = (char *) xmalloc (hostname_size); | |
4563 | ||
dc6f92b8 JB |
4564 | #if 0 |
4565 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4566 | #endif /* ! 0 */ |
dc6f92b8 | 4567 | |
60fb3ee1 JB |
4568 | /* Try to get the host name; if the buffer is too short, try |
4569 | again. Apparently, the only indication gethostname gives of | |
4570 | whether the buffer was large enough is the presence or absence | |
4571 | of a '\0' in the string. Eech. */ | |
4572 | for (;;) | |
4573 | { | |
4574 | gethostname (hostname, hostname_size - 1); | |
4575 | hostname[hostname_size - 1] = '\0'; | |
4576 | ||
4577 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4578 | if (strlen (hostname) < hostname_size - 1) | |
4579 | break; | |
4580 | ||
4581 | hostname_size <<= 1; | |
4582 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4583 | } | |
59653951 | 4584 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
4585 | + strlen (hostname) |
4586 | + 2); | |
59653951 | 4587 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 4588 | } |
28430d3c JB |
4589 | |
4590 | /* Figure out which modifier bits mean what. */ | |
4591 | x_find_modifier_meanings (); | |
f451eb13 | 4592 | |
ab648270 | 4593 | /* Get the scroll bar cursor. */ |
d56a553a RS |
4594 | x_vertical_scroll_bar_cursor |
4595 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 4596 | |
d56a553a | 4597 | #if 0 |
28430d3c JB |
4598 | /* Watch for PropertyNotify events on the root window; we use them |
4599 | to figure out when to invalidate our cache of the cut buffers. */ | |
4600 | x_watch_cut_buffer_cache (); | |
d56a553a | 4601 | #endif |
28430d3c | 4602 | |
a4fc7360 JB |
4603 | if (ConnectionNumber (x_current_display) != 0) |
4604 | { | |
4605 | dup2 (ConnectionNumber (x_current_display), 0); | |
6d4238f3 JB |
4606 | |
4607 | #ifndef SYSV_STREAMS | |
a4fc7360 JB |
4608 | /* Streams somehow keeps track of which descriptor number |
4609 | is being used to talk to X. So it is not safe to substitute | |
4610 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
4611 | close (ConnectionNumber (x_current_display)); | |
4612 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? | |
6d4238f3 JB |
4613 | * check the def of the macro; |
4614 | * it is a genuine lvalue */ | |
c118dd06 | 4615 | #endif /* SYSV_STREAMS */ |
a4fc7360 | 4616 | } |
6d4238f3 | 4617 | |
c118dd06 | 4618 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4619 | |
4620 | #ifdef F_SETOWN | |
4621 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4622 | #ifdef F_SETOWN_SOCK_NEG | |
4623 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4624 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4625 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4626 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4627 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4628 | |
4629 | #ifdef SIGIO | |
4630 | init_sigio (); | |
c118dd06 | 4631 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4632 | |
4633 | /* Must use interrupt input because we cannot otherwise | |
4634 | arrange for C-g to be noticed immediately. | |
4635 | We cannot connect it to SIGINT. */ | |
4636 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4637 | ||
4638 | expose_all_windows = 0; | |
4639 | ||
f676886a | 4640 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4641 | clear_end_of_line_hook = XTclear_end_of_line; |
4642 | ins_del_lines_hook = XTins_del_lines; | |
4643 | change_line_highlight_hook = XTchange_line_highlight; | |
4644 | insert_glyphs_hook = XTinsert_glyphs; | |
4645 | write_glyphs_hook = XTwrite_glyphs; | |
4646 | delete_glyphs_hook = XTdelete_glyphs; | |
4647 | ring_bell_hook = XTring_bell; | |
4648 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4649 | set_terminal_modes_hook = XTset_terminal_modes; | |
4650 | update_begin_hook = XTupdate_begin; | |
4651 | update_end_hook = XTupdate_end; | |
4652 | set_terminal_window_hook = XTset_terminal_window; | |
4653 | read_socket_hook = XTread_socket; | |
4654 | cursor_to_hook = XTcursor_to; | |
4655 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4656 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4657 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 4658 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
4659 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
4660 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
4661 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
4662 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 4663 | |
f676886a | 4664 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4665 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4666 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4667 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4668 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4669 | off the bottom */ |
4670 | baud_rate = 19200; | |
4671 | ||
c118dd06 JB |
4672 | /* Note that there is no real way portable across R3/R4 to get the |
4673 | original error handler. */ | |
4674 | XHandleError (x_error_quitter); | |
8922af5f | 4675 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
4676 | |
4677 | /* Disable Window Change signals; they are handled by X events. */ | |
4678 | #ifdef SIGWINCH | |
4679 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4680 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4681 | |
c118dd06 | 4682 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4683 | } |
55123275 JB |
4684 | |
4685 | void | |
4686 | syms_of_xterm () | |
4687 | { | |
ab648270 | 4688 | staticpro (&last_mouse_scroll_bar); |
55123275 | 4689 | } |
c118dd06 JB |
4690 | #endif /* ! defined (HAVE_X11) */ |
4691 | #endif /* ! defined (HAVE_X_WINDOWS) */ |