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 | |
148c4b70 RS |
1508 | /* If some keys are both alt and meta, |
1509 | make them just meta, not alt. */ | |
1510 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1511 | { | |
1512 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1513 | } | |
1514 | ||
28430d3c | 1515 | XFree ((char *) syms); |
f689eb05 | 1516 | XFreeModifiermap (mods); |
28430d3c JB |
1517 | } |
1518 | ||
1519 | ||
dfeccd2d JB |
1520 | /* Convert between the modifier bits X uses and the modifier bits |
1521 | Emacs uses. */ | |
7c5283e4 | 1522 | static unsigned int |
dfeccd2d | 1523 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1524 | unsigned int state; |
1525 | { | |
11edeb03 JB |
1526 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1527 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1528 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1529 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1530 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1531 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1532 | } |
1533 | ||
dfeccd2d JB |
1534 | static unsigned int |
1535 | x_emacs_to_x_modifiers (state) | |
1536 | unsigned int state; | |
1537 | { | |
1538 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1539 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1540 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1541 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1542 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1543 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1544 | } | |
1545 | ||
dc6f92b8 JB |
1546 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1547 | ||
1548 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1549 | the mouse. */ |
dc6f92b8 JB |
1550 | |
1551 | static Lisp_Object | |
f451eb13 | 1552 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1553 | struct input_event *result; |
1554 | XButtonEvent *event; | |
f676886a | 1555 | struct frame *f; |
dc6f92b8 | 1556 | { |
f451eb13 | 1557 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1558 | otherwise. */ |
f451eb13 JB |
1559 | result->kind = mouse_click; |
1560 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1561 | result->timestamp = event->time; |
dfeccd2d | 1562 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
1563 | | (event->type == ButtonRelease |
1564 | ? up_modifier | |
1565 | : down_modifier)); | |
dc6f92b8 JB |
1566 | |
1567 | /* Notice if the mouse is still grabbed. */ | |
1568 | if (event->type == ButtonPress) | |
1569 | { | |
1570 | if (! x_mouse_grabbed) | |
1571 | Vmouse_depressed = Qt; | |
90e65f07 | 1572 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1573 | } |
1574 | else if (event->type == ButtonRelease) | |
1575 | { | |
90e65f07 | 1576 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1577 | if (!x_mouse_grabbed) |
1578 | Vmouse_depressed = Qnil; | |
1579 | } | |
1580 | ||
f451eb13 JB |
1581 | { |
1582 | int row, column; | |
dc6f92b8 | 1583 | |
f451eb13 JB |
1584 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1585 | XFASTINT (result->x) = column; | |
1586 | XFASTINT (result->y) = row; | |
12ba150f | 1587 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1588 | } |
dc6f92b8 JB |
1589 | } |
1590 | ||
1591 | ||
90e65f07 JB |
1592 | /* Mouse movement. Rah. |
1593 | ||
1594 | In order to avoid asking for motion events and then throwing most | |
1595 | of them away or busy-polling the server for mouse positions, we ask | |
1596 | the server for pointer motion hints. This means that we get only | |
1597 | one event per group of mouse movements. "Groups" are delimited by | |
1598 | other kinds of events (focus changes and button clicks, for | |
1599 | example), or by XQueryPointer calls; when one of these happens, we | |
1600 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1601 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1602 | tracking is on, and I suspect only negligibly worse when tracking |
1603 | is off. | |
1604 | ||
1605 | The silly O'Reilly & Associates Nutshell guides barely document | |
1606 | pointer motion hints at all (I think you have to infer how they | |
1607 | work from an example), and the description of XQueryPointer doesn't | |
1608 | mention that calling it causes you to get another motion hint from | |
1609 | the server, which is very important. */ | |
1610 | ||
1611 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1612 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1613 | static XRectangle last_mouse_glyph; |
1614 | ||
ab648270 | 1615 | /* The scroll bar in which the last X motion event occurred. |
12ba150f | 1616 | |
ab648270 JB |
1617 | If the last X motion event occured in a scroll bar, we set this |
1618 | so XTmouse_position can know whether to report a scroll bar motion or | |
12ba150f JB |
1619 | an ordinary motion. |
1620 | ||
ab648270 | 1621 | If the last X motion event didn't occur in a scroll bar, we set this |
12ba150f | 1622 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ |
ab648270 | 1623 | static Lisp_Object last_mouse_scroll_bar; |
f451eb13 | 1624 | |
e5d77022 JB |
1625 | /* This is a hack. We would really prefer that XTmouse_position would |
1626 | return the time associated with the position it returns, but there | |
1627 | doesn't seem to be any way to wrest the timestamp from the server | |
1628 | along with the position query. So, we just keep track of the time | |
1629 | of the last movement we received, and return that in hopes that | |
1630 | it's somewhat accurate. */ | |
1631 | static Time last_mouse_movement_time; | |
1632 | ||
90e65f07 JB |
1633 | /* Function to report a mouse movement to the mainstream Emacs code. |
1634 | The input handler calls this. | |
1635 | ||
1636 | We have received a mouse movement event, which is given in *event. | |
1637 | If the mouse is over a different glyph than it was last time, tell | |
1638 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1639 | another motion event, so we can check again the next time it moves. */ | |
1640 | static void | |
12ba150f | 1641 | note_mouse_movement (frame, event) |
f676886a | 1642 | FRAME_PTR frame; |
90e65f07 JB |
1643 | XMotionEvent *event; |
1644 | ||
1645 | { | |
e5d77022 JB |
1646 | last_mouse_movement_time = event->time; |
1647 | ||
90e65f07 JB |
1648 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1649 | if (event->x < last_mouse_glyph.x | |
1650 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1651 | || event->y < last_mouse_glyph.y | |
1652 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1653 | { |
1654 | mouse_moved = 1; | |
ab648270 | 1655 | last_mouse_scroll_bar = Qnil; |
12ba150f | 1656 | } |
90e65f07 JB |
1657 | else |
1658 | { | |
1659 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1660 | event the next time the mouse moves and we can see if it's | |
1661 | *still* on the same glyph. */ | |
1662 | int dummy; | |
1663 | ||
1664 | XQueryPointer (event->display, event->window, | |
1665 | (Window *) &dummy, (Window *) &dummy, | |
1666 | &dummy, &dummy, &dummy, &dummy, | |
1667 | (unsigned int *) &dummy); | |
1668 | } | |
1669 | } | |
1670 | ||
ab648270 JB |
1671 | static struct scroll_bar *x_window_to_scroll_bar (); |
1672 | static void x_scroll_bar_report_motion (); | |
12ba150f | 1673 | |
90e65f07 JB |
1674 | /* Return the current position of the mouse. |
1675 | ||
ab648270 JB |
1676 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
1677 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 1678 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 1679 | position on the scroll bar. |
12ba150f JB |
1680 | |
1681 | If the mouse movement started elsewhere, set *f to the frame the | |
1682 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1683 | the mouse is over. | |
1684 | ||
1685 | Set *time to the server timestamp for the time at which the mouse | |
1686 | was at this position. | |
1687 | ||
90e65f07 | 1688 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1689 | movement. This also calls XQueryPointer, which will cause the |
1690 | server to give us another MotionNotify when the mouse moves | |
1691 | again. */ | |
90e65f07 JB |
1692 | |
1693 | static void | |
12ba150f | 1694 | XTmouse_position (f, bar_window, part, x, y, time) |
f676886a | 1695 | FRAME_PTR *f; |
12ba150f | 1696 | Lisp_Object *bar_window; |
ab648270 | 1697 | enum scroll_bar_part *part; |
90e65f07 | 1698 | Lisp_Object *x, *y; |
e5d77022 | 1699 | unsigned long *time; |
90e65f07 | 1700 | { |
90e65f07 JB |
1701 | BLOCK_INPUT; |
1702 | ||
ab648270 JB |
1703 | if (! NILP (last_mouse_scroll_bar)) |
1704 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1705 | else |
1706 | { | |
12ba150f JB |
1707 | Window root; |
1708 | int root_x, root_y; | |
90e65f07 | 1709 | |
12ba150f JB |
1710 | Window dummy_window; |
1711 | int dummy; | |
1712 | ||
1713 | mouse_moved = 0; | |
ab648270 | 1714 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
1715 | |
1716 | /* Figure out which root window we're on. */ | |
1717 | XQueryPointer (x_current_display, | |
1718 | DefaultRootWindow (x_current_display), | |
1719 | ||
1720 | /* The root window which contains the pointer. */ | |
1721 | &root, | |
1722 | ||
1723 | /* Trash which we can't trust if the pointer is on | |
1724 | a different screen. */ | |
1725 | &dummy_window, | |
1726 | ||
1727 | /* The position on that root window. */ | |
1728 | &root_x, &root_y, | |
1729 | ||
1730 | /* More trash we can't trust. */ | |
1731 | &dummy, &dummy, | |
1732 | ||
1733 | /* Modifier keys and pointer buttons, about which | |
1734 | we don't care. */ | |
1735 | (unsigned int *) &dummy); | |
1736 | ||
1737 | /* Now we have a position on the root; find the innermost window | |
1738 | containing the pointer. */ | |
1739 | { | |
1740 | Window win, child; | |
1741 | int win_x, win_y; | |
1742 | int parent_x, parent_y; | |
1743 | ||
1744 | win = root; | |
1745 | for (;;) | |
1746 | { | |
1747 | XTranslateCoordinates (x_current_display, | |
1748 | ||
1749 | /* From-window, to-window. */ | |
1750 | root, win, | |
1751 | ||
1752 | /* From-position, to-position. */ | |
1753 | root_x, root_y, &win_x, &win_y, | |
1754 | ||
1755 | /* Child of win. */ | |
1756 | &child); | |
1757 | ||
1758 | if (child == None) | |
1759 | break; | |
1760 | ||
1761 | win = child; | |
1762 | parent_x = win_x; | |
1763 | parent_y = win_y; | |
1764 | } | |
1765 | ||
1766 | /* Now we know that: | |
1767 | win is the innermost window containing the pointer | |
1768 | (XTC says it has no child containing the pointer), | |
1769 | win_x and win_y are the pointer's position in it | |
1770 | (XTC did this the last time through), and | |
1771 | parent_x and parent_y are the pointer's position in win's parent. | |
1772 | (They are what win_x and win_y were when win was child. | |
1773 | If win is the root window, it has no parent, and | |
1774 | parent_{x,y} are invalid, but that's okay, because we'll | |
1775 | never use them in that case.) */ | |
1776 | ||
1777 | /* Is win one of our frames? */ | |
1778 | *f = x_window_to_frame (win); | |
1779 | ||
ab648270 | 1780 | /* If not, is it one of our scroll bars? */ |
12ba150f JB |
1781 | if (! *f) |
1782 | { | |
ab648270 | 1783 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
1784 | |
1785 | if (bar) | |
1786 | { | |
1787 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1788 | win_x = parent_x; | |
1789 | win_y = parent_y; | |
1790 | } | |
1791 | } | |
90e65f07 | 1792 | |
12ba150f JB |
1793 | if (*f) |
1794 | { | |
1795 | pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y, | |
1796 | &last_mouse_glyph); | |
1797 | ||
1798 | *bar_window = Qnil; | |
1799 | *part = 0; | |
1800 | XSET (*x, Lisp_Int, win_x); | |
1801 | XSET (*y, Lisp_Int, win_y); | |
1802 | *time = last_mouse_movement_time; | |
1803 | } | |
1804 | } | |
1805 | } | |
90e65f07 JB |
1806 | |
1807 | UNBLOCK_INPUT; | |
1808 | } | |
1809 | ||
c118dd06 | 1810 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1811 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1812 | #endif /* ! defined (HAVE_X11) */ |
1813 | \f | |
ab648270 | 1814 | /* Scroll bar support. */ |
f451eb13 | 1815 | |
ab648270 JB |
1816 | /* Given an X window ID, find the struct scroll_bar which manages it. |
1817 | This can be called in GC, so we have to make sure to strip off mark | |
1818 | bits. */ | |
1819 | static struct scroll_bar * | |
1820 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
1821 | Window window_id; |
1822 | { | |
1823 | Lisp_Object tail, frame; | |
f451eb13 | 1824 | |
ab648270 JB |
1825 | for (tail = Vframe_list; |
1826 | XGCTYPE (tail) == Lisp_Cons; | |
1827 | tail = XCONS (tail)->cdr) | |
f451eb13 | 1828 | { |
f451eb13 | 1829 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1830 | Lisp_Object bar, condemned; |
f451eb13 JB |
1831 | |
1832 | /* All elements of Vframe_list should be frames. */ | |
ab648270 | 1833 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
1834 | abort (); |
1835 | ||
ab648270 | 1836 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 1837 | right window ID. */ |
ab648270 JB |
1838 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
1839 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 1840 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
1841 | condemned scroll bar lists with one loop. */ |
1842 | ! GC_NILP (bar) || (bar = condemned, | |
1843 | condemned = Qnil, | |
1844 | ! GC_NILP (bar)); | |
1845 | bar = XSCROLL_BAR(bar)->next) | |
1846 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1847 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
1848 | } |
1849 | ||
1850 | return 0; | |
1851 | } | |
1852 | ||
ab648270 JB |
1853 | /* Open a new X window to serve as a scroll bar, and return the |
1854 | scroll bar vector for it. */ | |
1855 | static struct scroll_bar * | |
1856 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 1857 | struct window *window; |
f451eb13 JB |
1858 | int top, left, width, height; |
1859 | { | |
12ba150f | 1860 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
1861 | struct scroll_bar *bar = |
1862 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
1863 | |
1864 | BLOCK_INPUT; | |
1865 | ||
1866 | { | |
1867 | XSetWindowAttributes a; | |
1868 | unsigned long mask; | |
1869 | ||
12ba150f JB |
1870 | a.background_pixel = frame->display.x->background_pixel; |
1871 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1872 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1873 | | ExposureMask); |
ab648270 | 1874 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 1875 | |
dbc4e1c1 | 1876 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 1877 | |
ab648270 | 1878 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
1879 | (bar, |
1880 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1881 | |
ab648270 | 1882 | /* Position and size of scroll bar. */ |
12ba150f | 1883 | left, top, width, height, |
f451eb13 | 1884 | |
12ba150f JB |
1885 | /* Border width, depth, class, and visual. */ |
1886 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1887 | |
12ba150f JB |
1888 | /* Attributes. */ |
1889 | mask, &a)); | |
f451eb13 JB |
1890 | } |
1891 | ||
12ba150f JB |
1892 | XSET (bar->window, Lisp_Window, window); |
1893 | XSET (bar->top, Lisp_Int, top); | |
1894 | XSET (bar->left, Lisp_Int, left); | |
1895 | XSET (bar->width, Lisp_Int, width); | |
1896 | XSET (bar->height, Lisp_Int, height); | |
1897 | XSET (bar->start, Lisp_Int, 0); | |
1898 | XSET (bar->end, Lisp_Int, 0); | |
1899 | bar->dragging = Qnil; | |
f451eb13 JB |
1900 | |
1901 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 1902 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 1903 | bar->prev = Qnil; |
ab648270 | 1904 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 1905 | if (! NILP (bar->next)) |
ab648270 | 1906 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 1907 | |
ab648270 | 1908 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
1909 | |
1910 | UNBLOCK_INPUT; | |
12ba150f JB |
1911 | |
1912 | return bar; | |
f451eb13 JB |
1913 | } |
1914 | ||
12ba150f JB |
1915 | /* Draw BAR's handle in the proper position. |
1916 | If the handle is already drawn from START to END, don't bother | |
1917 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1918 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1919 | events.) | |
1920 | ||
1921 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 1922 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
1923 | handle, we want to let them drag it down all the way, so that the |
1924 | bar's top is as far down as it goes; otherwise, there's no way to | |
1925 | move to the very end of the buffer. */ | |
f451eb13 | 1926 | static void |
ab648270 JB |
1927 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
1928 | struct scroll_bar *bar; | |
f451eb13 | 1929 | int start, end; |
12ba150f | 1930 | int rebuild; |
f451eb13 | 1931 | { |
12ba150f | 1932 | int dragging = ! NILP (bar->dragging); |
ab648270 | 1933 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
1934 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
1935 | ||
1936 | /* If the display is already accurate, do nothing. */ | |
1937 | if (! rebuild | |
1938 | && start == XINT (bar->start) | |
1939 | && end == XINT (bar->end)) | |
1940 | return; | |
1941 | ||
f451eb13 JB |
1942 | BLOCK_INPUT; |
1943 | ||
1944 | { | |
ab648270 JB |
1945 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
1946 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
1947 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
1948 | |
1949 | /* Make sure the values are reasonable, and try to preserve | |
1950 | the distance between start and end. */ | |
12ba150f JB |
1951 | { |
1952 | int length = end - start; | |
1953 | ||
1954 | if (start < 0) | |
1955 | start = 0; | |
1956 | else if (start > top_range) | |
1957 | start = top_range; | |
1958 | end = start + length; | |
1959 | ||
1960 | if (end < start) | |
1961 | end = start; | |
1962 | else if (end > top_range && ! dragging) | |
1963 | end = top_range; | |
1964 | } | |
f451eb13 | 1965 | |
ab648270 | 1966 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
1967 | XSET (bar->start, Lisp_Int, start); |
1968 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 1969 | |
12ba150f JB |
1970 | /* Clip the end position, just for display. */ |
1971 | if (end > top_range) | |
1972 | end = top_range; | |
f451eb13 | 1973 | |
ab648270 | 1974 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
1975 | below top positions, to make sure the handle is always at least |
1976 | that many pixels tall. */ | |
ab648270 | 1977 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 1978 | |
12ba150f JB |
1979 | /* Draw the empty space above the handle. Note that we can't clear |
1980 | zero-height areas; that means "clear to end of window." */ | |
1981 | if (0 < start) | |
1982 | XClearArea (x_current_display, w, | |
f451eb13 | 1983 | |
12ba150f | 1984 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1985 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1986 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
1987 | inside_width, start, |
1988 | False); | |
f451eb13 | 1989 | |
12ba150f JB |
1990 | /* Draw the handle itself. */ |
1991 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 1992 | |
12ba150f | 1993 | /* x, y, width, height */ |
ab648270 JB |
1994 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1995 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 1996 | inside_width, end - start); |
f451eb13 | 1997 | |
f451eb13 | 1998 | |
12ba150f JB |
1999 | /* Draw the empty space below the handle. Note that we can't |
2000 | clear zero-height areas; that means "clear to end of window." */ | |
2001 | if (end < inside_height) | |
2002 | XClearArea (x_current_display, w, | |
f451eb13 | 2003 | |
12ba150f | 2004 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2005 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2006 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2007 | inside_width, inside_height - end, |
2008 | False); | |
f451eb13 | 2009 | |
f451eb13 JB |
2010 | } |
2011 | ||
f451eb13 JB |
2012 | UNBLOCK_INPUT; |
2013 | } | |
2014 | ||
ab648270 | 2015 | /* Move a scroll bar around on the screen, to accomodate changing |
12ba150f | 2016 | window configurations. */ |
f451eb13 | 2017 | static void |
ab648270 JB |
2018 | x_scroll_bar_move (bar, top, left, width, height) |
2019 | struct scroll_bar *bar; | |
f451eb13 JB |
2020 | int top, left, width, height; |
2021 | { | |
2022 | BLOCK_INPUT; | |
2023 | ||
2024 | { | |
2025 | XWindowChanges wc; | |
2026 | unsigned int mask = 0; | |
2027 | ||
2028 | wc.x = left; | |
2029 | wc.y = top; | |
2030 | wc.width = width; | |
2031 | wc.height = height; | |
2032 | ||
12ba150f JB |
2033 | if (left != XINT (bar->left)) mask |= CWX; |
2034 | if (top != XINT (bar->top)) mask |= CWY; | |
2035 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2036 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2037 | ||
2038 | if (mask) | |
ab648270 | 2039 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2040 | mask, &wc); |
f451eb13 JB |
2041 | } |
2042 | ||
12ba150f JB |
2043 | XSET (bar->left, Lisp_Int, left); |
2044 | XSET (bar->top, Lisp_Int, top); | |
2045 | XSET (bar->width, Lisp_Int, width); | |
2046 | XSET (bar->height, Lisp_Int, height); | |
2047 | ||
f451eb13 JB |
2048 | UNBLOCK_INPUT; |
2049 | } | |
2050 | ||
ab648270 | 2051 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2052 | to nil. */ |
2053 | static void | |
ab648270 JB |
2054 | x_scroll_bar_remove (bar) |
2055 | struct scroll_bar *bar; | |
12ba150f JB |
2056 | { |
2057 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2058 | ||
2059 | BLOCK_INPUT; | |
2060 | ||
2061 | /* Destroy the window. */ | |
ab648270 | 2062 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2063 | |
ab648270 JB |
2064 | /* Disassociate this scroll bar from its window. */ |
2065 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2066 | |
2067 | UNBLOCK_INPUT; | |
2068 | } | |
2069 | ||
2070 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2071 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2072 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2073 | create one. */ |
2074 | static void | |
ab648270 | 2075 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2076 | struct window *window; |
2077 | int portion, whole, position; | |
2078 | { | |
2079 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2080 | int top = XINT (window->top); |
ab648270 JB |
2081 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2082 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2083 | |
ab648270 | 2084 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2085 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2086 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2087 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2088 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2089 | |
ab648270 | 2090 | struct scroll_bar *bar; |
12ba150f | 2091 | |
ab648270 JB |
2092 | /* Does the scroll bar exist yet? */ |
2093 | if (NILP (window->vertical_scroll_bar)) | |
2094 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2095 | pixel_top, pixel_left, |
2096 | pixel_width, pixel_height); | |
2097 | else | |
12ba150f JB |
2098 | { |
2099 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2100 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2101 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2102 | } |
f451eb13 | 2103 | |
ab648270 | 2104 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2105 | dragged. */ |
12ba150f | 2106 | if (NILP (bar->dragging)) |
f451eb13 | 2107 | { |
12ba150f | 2108 | int top_range = |
ab648270 | 2109 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2110 | |
12ba150f | 2111 | if (whole == 0) |
ab648270 | 2112 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2113 | else |
2114 | { | |
2115 | int start = (position * top_range) / whole; | |
2116 | int end = ((position + portion) * top_range) / whole; | |
2117 | ||
ab648270 | 2118 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2119 | } |
f451eb13 JB |
2120 | } |
2121 | ||
ab648270 | 2122 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2123 | } |
2124 | ||
12ba150f | 2125 | |
f451eb13 | 2126 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2127 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2128 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2129 | away is a real pain - "Can you say set-window-configuration, boys |
2130 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2131 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2132 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2133 | |
ab648270 JB |
2134 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2135 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2136 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2137 | static void |
ab648270 | 2138 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2139 | FRAME_PTR frame; |
2140 | { | |
12ba150f JB |
2141 | /* The condemned list should be empty at this point; if it's not, |
2142 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2143 | protocol correctly. */ | |
ab648270 | 2144 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2145 | abort (); |
2146 | ||
2147 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2148 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2149 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2150 | } |
2151 | ||
ab648270 | 2152 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2153 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2154 | static void |
ab648270 | 2155 | XTredeem_scroll_bar (window) |
12ba150f | 2156 | struct window *window; |
f451eb13 | 2157 | { |
ab648270 | 2158 | struct scroll_bar *bar; |
12ba150f | 2159 | |
ab648270 JB |
2160 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2161 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2162 | abort (); |
2163 | ||
ab648270 | 2164 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2165 | |
2166 | /* Unlink it from the condemned list. */ | |
2167 | { | |
2168 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2169 | ||
2170 | if (NILP (bar->prev)) | |
2171 | { | |
2172 | /* If the prev pointer is nil, it must be the first in one of | |
2173 | the lists. */ | |
ab648270 | 2174 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2175 | /* It's not condemned. Everything's fine. */ |
2176 | return; | |
ab648270 JB |
2177 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2178 | window->vertical_scroll_bar)) | |
2179 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2180 | else |
2181 | /* If its prev pointer is nil, it must be at the front of | |
2182 | one or the other! */ | |
2183 | abort (); | |
2184 | } | |
2185 | else | |
ab648270 | 2186 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2187 | |
2188 | if (! NILP (bar->next)) | |
ab648270 | 2189 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2190 | |
ab648270 | 2191 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2192 | bar->prev = Qnil; |
ab648270 | 2193 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2194 | if (! NILP (bar->next)) |
ab648270 | 2195 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2196 | } |
f451eb13 JB |
2197 | } |
2198 | ||
ab648270 JB |
2199 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2200 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2201 | static void |
ab648270 | 2202 | XTjudge_scroll_bars (f) |
12ba150f | 2203 | FRAME_PTR f; |
f451eb13 | 2204 | { |
12ba150f | 2205 | Lisp_Object bar, next; |
f451eb13 | 2206 | |
ab648270 | 2207 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2208 | |
2209 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2210 | more events on the hapless scroll bars. */ |
2211 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2212 | |
2213 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2214 | { |
ab648270 | 2215 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2216 | |
ab648270 | 2217 | x_scroll_bar_remove (b); |
12ba150f JB |
2218 | |
2219 | next = b->next; | |
2220 | b->next = b->prev = Qnil; | |
f451eb13 | 2221 | } |
12ba150f | 2222 | |
ab648270 | 2223 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2224 | and they should get garbage-collected. */ |
f451eb13 JB |
2225 | } |
2226 | ||
2227 | ||
ab648270 JB |
2228 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2229 | ||
2230 | This may be called from a signal handler, so we have to ignore GC | |
2231 | mark bits. */ | |
f451eb13 | 2232 | static void |
ab648270 JB |
2233 | x_scroll_bar_expose (bar, event) |
2234 | struct scroll_bar *bar; | |
f451eb13 JB |
2235 | XEvent *event; |
2236 | { | |
ab648270 | 2237 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2238 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2239 | ||
f451eb13 JB |
2240 | BLOCK_INPUT; |
2241 | ||
ab648270 | 2242 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2243 | |
ab648270 | 2244 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2245 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2246 | |
2247 | /* x, y, width, height */ | |
12ba150f | 2248 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2249 | |
12ba150f JB |
2250 | /* Draw another line to make the extra-thick border on the right. */ |
2251 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2252 | |
12ba150f JB |
2253 | /* x, y, width, height */ |
2254 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2255 | |
2256 | UNBLOCK_INPUT; | |
2257 | } | |
2258 | ||
ab648270 JB |
2259 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2260 | is set to something other than no_event, it is enqueued. | |
2261 | ||
2262 | This may be called from a signal handler, so we have to ignore GC | |
2263 | mark bits. */ | |
f451eb13 | 2264 | static void |
ab648270 JB |
2265 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2266 | struct scroll_bar *bar; | |
f451eb13 JB |
2267 | XEvent *event; |
2268 | struct input_event *emacs_event; | |
2269 | { | |
ab648270 | 2270 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2271 | abort (); |
2272 | ||
ab648270 | 2273 | emacs_event->kind = scroll_bar_click; |
12ba150f | 2274 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 | 2275 | emacs_event->modifiers = |
dfeccd2d | 2276 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
2277 | | (event->type == ButtonRelease |
2278 | ? up_modifier | |
2279 | : down_modifier)); | |
12ba150f | 2280 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2281 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2282 | { |
2283 | int internal_height = | |
ab648270 | 2284 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2285 | int top_range = |
ab648270 JB |
2286 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2287 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2288 | |
2289 | if (y < 0) y = 0; | |
2290 | if (y > top_range) y = top_range; | |
2291 | ||
2292 | if (y < XINT (bar->start)) | |
ab648270 JB |
2293 | emacs_event->part = scroll_bar_above_handle; |
2294 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2295 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2296 | else |
ab648270 | 2297 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2298 | |
2299 | /* Just because the user has clicked on the handle doesn't mean | |
2300 | they want to drag it. */ | |
2301 | #if 0 | |
12ba150f JB |
2302 | /* If the user has just clicked on the handle, record where they're |
2303 | holding it. */ | |
2304 | if (event->type == ButtonPress | |
ab648270 | 2305 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 2306 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 2307 | #endif |
12ba150f JB |
2308 | |
2309 | /* If the user has released the handle, set it to its final position. */ | |
2310 | if (event->type == ButtonRelease | |
2311 | && ! NILP (bar->dragging)) | |
2312 | { | |
2313 | int new_start = y - XINT (bar->dragging); | |
2314 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2315 | |
ab648270 | 2316 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2317 | bar->dragging = Qnil; |
2318 | } | |
f451eb13 | 2319 | |
12ba150f JB |
2320 | /* Clicks on the handle are always reported as occuring at the top of |
2321 | the handle. */ | |
ab648270 | 2322 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2323 | emacs_event->x = bar->start; |
2324 | else | |
2325 | XSET (emacs_event->x, Lisp_Int, y); | |
f451eb13 | 2326 | |
12ba150f JB |
2327 | XSET (emacs_event->y, Lisp_Int, top_range); |
2328 | } | |
2329 | } | |
f451eb13 | 2330 | |
ab648270 JB |
2331 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2332 | ||
2333 | This may be called from a signal handler, so we have to ignore GC | |
2334 | mark bits. */ | |
f451eb13 | 2335 | static void |
ab648270 JB |
2336 | x_scroll_bar_note_movement (bar, event) |
2337 | struct scroll_bar *bar; | |
f451eb13 JB |
2338 | XEvent *event; |
2339 | { | |
2340 | last_mouse_movement_time = event->xmotion.time; | |
2341 | ||
2342 | mouse_moved = 1; | |
ab648270 | 2343 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2344 | |
2345 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2346 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2347 | { |
2348 | /* Where should the handle be now? */ | |
12ba150f | 2349 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2350 | |
12ba150f | 2351 | if (new_start != XINT (bar->start)) |
f451eb13 | 2352 | { |
12ba150f | 2353 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2354 | |
ab648270 | 2355 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2356 | } |
2357 | } | |
2358 | ||
2359 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2360 | moves and we can see *still* on the same position. */ | |
2361 | { | |
2362 | int dummy; | |
2363 | ||
2364 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2365 | (Window *) &dummy, (Window *) &dummy, | |
2366 | &dummy, &dummy, &dummy, &dummy, | |
2367 | (unsigned int *) &dummy); | |
2368 | } | |
2369 | } | |
2370 | ||
12ba150f | 2371 | /* Return information to the user about the current position of the mouse |
ab648270 | 2372 | on the scroll bar. */ |
12ba150f | 2373 | static void |
ab648270 | 2374 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2375 | FRAME_PTR *f; |
2376 | Lisp_Object *bar_window; | |
ab648270 | 2377 | enum scroll_bar_part *part; |
12ba150f JB |
2378 | Lisp_Object *x, *y; |
2379 | unsigned long *time; | |
2380 | { | |
ab648270 | 2381 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f JB |
2382 | int win_x, win_y; |
2383 | ||
cf7cb199 JB |
2384 | BLOCK_INPUT; |
2385 | ||
ab648270 | 2386 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f JB |
2387 | report that. */ |
2388 | { | |
2389 | Window dummy_window; | |
2390 | int dummy_coord; | |
2391 | unsigned int dummy_mask; | |
2392 | ||
2393 | if (! XQueryPointer (x_current_display, | |
ab648270 | 2394 | SCROLL_BAR_X_WINDOW (bar), |
12ba150f JB |
2395 | |
2396 | /* Root, child, root x and root y. */ | |
2397 | &dummy_window, &dummy_window, | |
2398 | &dummy_coord, &dummy_coord, | |
2399 | ||
ab648270 | 2400 | /* Position relative to scroll bar. */ |
12ba150f JB |
2401 | &win_x, &win_y, |
2402 | ||
2403 | /* Mouse buttons and modifier keys. */ | |
2404 | &dummy_mask)) | |
2405 | { | |
2406 | *f = 0; | |
cf7cb199 | 2407 | goto done; |
12ba150f JB |
2408 | } |
2409 | } | |
2410 | ||
2411 | { | |
ab648270 JB |
2412 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
2413 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
12ba150f | 2414 | |
ab648270 | 2415 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
2416 | |
2417 | if (! NILP (bar->dragging)) | |
2418 | win_y -= XINT (bar->dragging); | |
2419 | ||
2420 | if (win_y < 0) | |
2421 | win_y = 0; | |
2422 | if (win_y > top_range) | |
2423 | win_y = top_range; | |
2424 | ||
2425 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2426 | *bar_window = bar->window; | |
2427 | ||
2428 | if (! NILP (bar->dragging)) | |
ab648270 | 2429 | *part = scroll_bar_handle; |
12ba150f | 2430 | else if (win_y < XINT (bar->start)) |
ab648270 JB |
2431 | *part = scroll_bar_above_handle; |
2432 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2433 | *part = scroll_bar_handle; | |
12ba150f | 2434 | else |
ab648270 | 2435 | *part = scroll_bar_below_handle; |
12ba150f JB |
2436 | |
2437 | XSET (*x, Lisp_Int, win_y); | |
2438 | XSET (*y, Lisp_Int, top_range); | |
2439 | *time = last_mouse_movement_time; | |
2440 | } | |
2441 | ||
2442 | mouse_moved = 0; | |
ab648270 | 2443 | last_mouse_scroll_bar = Qnil; |
cf7cb199 JB |
2444 | |
2445 | done: | |
2446 | UNBLOCK_INPUT; | |
12ba150f JB |
2447 | } |
2448 | ||
f451eb13 | 2449 | |
dbc4e1c1 | 2450 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2451 | background colors, and the scroll bars may need to be redrawn. |
2452 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2453 | redraw them. */ |
2454 | ||
ab648270 | 2455 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2456 | FRAME_PTR f; |
2457 | { | |
2458 | Lisp_Object bar; | |
2459 | ||
ab648270 | 2460 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2461 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2462 | bar = XSCROLL_BAR (bar)->next) |
2463 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2464 | 0, 0, 0, 0, True); |
2465 | } | |
2466 | ||
2467 | ||
f451eb13 JB |
2468 | \f |
2469 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2470 | |
dc6f92b8 JB |
2471 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2472 | but we have to put it out here, since static variables within functions | |
2473 | sometimes don't work. */ | |
2474 | static Time enter_timestamp; | |
2475 | ||
11edeb03 JB |
2476 | /* This holds the state XLookupString needs to implement dead keys |
2477 | and other tricks known as "compose processing". _X Window System_ | |
2478 | says that a portable program can't use this, but Stephen Gildea assures | |
2479 | me that letting the compiler initialize it to zeros will work okay. | |
2480 | ||
2481 | This must be defined outside of XTread_socket, for the same reasons | |
2482 | given for enter_timestamp, above. */ | |
2483 | static XComposeStatus compose_status; | |
2484 | ||
c047688c JA |
2485 | /* Communication with window managers. */ |
2486 | Atom Xatom_wm_protocols; | |
2487 | ||
2488 | /* Kinds of protocol things we may receive. */ | |
2489 | Atom Xatom_wm_take_focus; | |
2490 | Atom Xatom_wm_save_yourself; | |
2491 | Atom Xatom_wm_delete_window; | |
2492 | ||
2493 | /* Other WM communication */ | |
2494 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2495 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2496 | ||
d56a553a RS |
2497 | /* Window manager communication. */ |
2498 | Atom Xatom_wm_change_state; | |
2499 | ||
10e6549c RS |
2500 | /* Record the last 100 characters stored |
2501 | to help debug the loss-of-chars-during-GC problem. */ | |
2502 | int temp_index; | |
2503 | short temp_buffer[100]; | |
2504 | ||
dc6f92b8 JB |
2505 | /* Read events coming from the X server. |
2506 | This routine is called by the SIGIO handler. | |
2507 | We return as soon as there are no more events to be read. | |
2508 | ||
2509 | Events representing keys are stored in buffer BUFP, | |
2510 | which can hold up to NUMCHARS characters. | |
2511 | We return the number of characters stored into the buffer, | |
2512 | thus pretending to be `read'. | |
2513 | ||
2514 | WAITP is nonzero if we should block until input arrives. | |
2515 | EXPECTED is nonzero if the caller knows input is available. */ | |
2516 | ||
7c5283e4 | 2517 | int |
dc6f92b8 JB |
2518 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2519 | register int sd; | |
2520 | register struct input_event *bufp; | |
2521 | register int numchars; | |
2522 | int waitp; | |
2523 | int expected; | |
2524 | { | |
2525 | int count = 0; | |
2526 | int nbytes = 0; | |
2527 | int mask; | |
2528 | int items_pending; /* How many items are in the X queue. */ | |
2529 | XEvent event; | |
f676886a | 2530 | struct frame *f; |
dc6f92b8 JB |
2531 | int event_found; |
2532 | int prefix; | |
2533 | Lisp_Object part; | |
2534 | ||
9ac0d9e0 | 2535 | if (interrupt_input_blocked) |
dc6f92b8 | 2536 | { |
9ac0d9e0 | 2537 | interrupt_input_pending = 1; |
dc6f92b8 JB |
2538 | return -1; |
2539 | } | |
2540 | ||
9ac0d9e0 | 2541 | interrupt_input_pending = 0; |
dc6f92b8 JB |
2542 | BLOCK_INPUT; |
2543 | ||
2544 | if (numchars <= 0) | |
2545 | abort (); /* Don't think this happens. */ | |
2546 | ||
2547 | #ifdef FIOSNBIO | |
2548 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2549 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2550 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2551 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2552 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2553 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2554 | |
2555 | #ifndef SIGIO | |
2556 | #ifndef HAVE_SELECT | |
2557 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2558 | { | |
2559 | extern int read_alarm_should_throw; | |
2560 | read_alarm_should_throw = 1; | |
2561 | XPeekEvent (XDISPLAY &event); | |
2562 | read_alarm_should_throw = 0; | |
2563 | } | |
c118dd06 JB |
2564 | #endif /* HAVE_SELECT */ |
2565 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2566 | |
2567 | while (XStuffPending () != 0) | |
2568 | { | |
2569 | XNextEvent (XDISPLAY &event); | |
2570 | event_found = 1; | |
2571 | ||
2572 | switch (event.type) | |
2573 | { | |
2574 | #ifdef HAVE_X11 | |
c047688c JA |
2575 | case ClientMessage: |
2576 | { | |
2577 | if (event.xclient.message_type == Xatom_wm_protocols | |
2578 | && event.xclient.format == 32) | |
2579 | { | |
2580 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2581 | { | |
f676886a JB |
2582 | f = x_window_to_frame (event.xclient.window); |
2583 | if (f) | |
2584 | x_focus_on_frame (f); | |
ab648270 | 2585 | /* Not certain about handling scroll bars here */ |
c047688c JA |
2586 | } |
2587 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2588 | { | |
2589 | /* Save state modify the WM_COMMAND property to | |
2590 | something which can reinstate us. This notifies | |
2591 | the session manager, who's looking for such a | |
2592 | PropertyNotify. Can restart processing when | |
2593 | a keyboard or mouse event arrives. */ | |
2594 | if (numchars > 0) | |
2595 | { | |
2596 | } | |
2597 | } | |
2598 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2599 | { | |
f676886a | 2600 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2601 | |
f676886a | 2602 | if (f) |
c047688c JA |
2603 | if (numchars > 0) |
2604 | { | |
2605 | } | |
2606 | } | |
2607 | } | |
2608 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2609 | { | |
2610 | } | |
2611 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2612 | { | |
2613 | int new_x, new_y; | |
2614 | ||
4357eba7 JB |
2615 | new_x = event.xclient.data.s[0]; |
2616 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2617 | } |
2618 | } | |
2619 | break; | |
dc6f92b8 | 2620 | |
d56a553a RS |
2621 | #ifdef NEW_SELECTIONS |
2622 | case SelectionNotify: | |
2623 | x_handle_selection_notify (&event); | |
2624 | break; | |
2625 | #endif | |
2626 | ||
dc6f92b8 | 2627 | case SelectionClear: /* Someone has grabbed ownership. */ |
d56a553a RS |
2628 | #ifdef NEW_SELECTIONS |
2629 | { | |
2630 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
2631 | ||
2632 | if (numchars == 0) | |
2633 | abort (); | |
2634 | ||
2635 | bufp->kind = selection_clear_event; | |
2636 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2637 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2638 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2639 | bufp++; | |
2640 | ||
2641 | count += 1; | |
2642 | numchars -= 1; | |
2643 | } | |
2644 | #else | |
dc6f92b8 JB |
2645 | x_disown_selection (event.xselectionclear.window, |
2646 | event.xselectionclear.selection, | |
2647 | event.xselectionclear.time); | |
d56a553a | 2648 | #endif |
dc6f92b8 JB |
2649 | break; |
2650 | ||
2651 | case SelectionRequest: /* Someone wants our selection. */ | |
d56a553a RS |
2652 | #ifdef NEW_SELECTIONS |
2653 | { | |
2654 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
2655 | ||
2656 | if (numchars == 0) | |
2657 | abort (); | |
2658 | ||
2659 | bufp->kind = selection_request_event; | |
2660 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2661 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
2662 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2663 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
2664 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
2665 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2666 | bufp++; | |
2667 | ||
2668 | count += 1; | |
2669 | numchars -= 1; | |
2670 | } | |
2671 | #else | |
dc6f92b8 | 2672 | x_answer_selection_request (event); |
d56a553a | 2673 | #endif |
dc6f92b8 JB |
2674 | break; |
2675 | ||
2676 | case PropertyNotify: | |
d56a553a RS |
2677 | #ifdef NEW_SELECTIONS |
2678 | x_handle_property_notify (&event); | |
2679 | #else | |
28430d3c JB |
2680 | /* If we're being told about a root window property, then it's |
2681 | a cut buffer change. */ | |
2682 | if (event.xproperty.window == ROOT_WINDOW) | |
2683 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2684 | ||
2685 | /* Otherwise, we're probably handling an incremental | |
2686 | selection transmission. */ | |
2687 | else | |
2688 | { | |
2689 | /* If we were to do this synchronously, there'd be no worry | |
2690 | about re-selecting. */ | |
2691 | x_send_incremental (event); | |
2692 | } | |
d56a553a | 2693 | #endif |
dc6f92b8 JB |
2694 | break; |
2695 | ||
2696 | case Expose: | |
f676886a JB |
2697 | f = x_window_to_frame (event.xexpose.window); |
2698 | if (f) | |
dc6f92b8 | 2699 | { |
3a88c238 | 2700 | if (f->async_visible == 0) |
dc6f92b8 | 2701 | { |
3a88c238 JB |
2702 | f->async_visible = 1; |
2703 | f->async_iconified = 0; | |
f676886a | 2704 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2705 | } |
2706 | else | |
f451eb13 JB |
2707 | { |
2708 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2709 | event.xexpose.x, event.xexpose.y, | |
2710 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2711 | } |
2712 | } | |
2713 | else | |
2714 | { | |
ab648270 JB |
2715 | struct scroll_bar *bar |
2716 | = x_window_to_scroll_bar (event.xexpose.window); | |
f451eb13 JB |
2717 | |
2718 | if (bar) | |
ab648270 | 2719 | x_scroll_bar_expose (bar, &event); |
dc6f92b8 JB |
2720 | } |
2721 | break; | |
2722 | ||
2723 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2724 | source area was obscured or not | |
2725 | available.*/ | |
f451eb13 JB |
2726 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2727 | if (f) | |
2728 | { | |
2729 | dumprectangle (f, | |
2730 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2731 | event.xgraphicsexpose.width, | |
2732 | event.xgraphicsexpose.height); | |
f451eb13 | 2733 | } |
dc6f92b8 JB |
2734 | break; |
2735 | ||
2736 | case NoExpose: /* This occurs when an XCopyArea's | |
2737 | source area was completely | |
2738 | available */ | |
2739 | break; | |
c118dd06 | 2740 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2741 | case ExposeWindow: |
2742 | if (event.subwindow != 0) | |
2743 | break; /* duplicate event */ | |
f676886a JB |
2744 | f = x_window_to_frame (event.window); |
2745 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2746 | { |
f676886a | 2747 | refreshicon (f); |
3a88c238 | 2748 | f->async_iconified = 1; |
dc6f92b8 | 2749 | } |
c118dd06 | 2750 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2751 | { |
2752 | /* Say must check all windows' needs_exposure flags. */ | |
2753 | expose_all_windows = 1; | |
f676886a | 2754 | f->display.x->needs_exposure = 1; |
3a88c238 | 2755 | f->async_visible = 1; |
dc6f92b8 JB |
2756 | } |
2757 | break; | |
2758 | ||
2759 | case ExposeRegion: | |
2760 | if (event.subwindow != 0) | |
2761 | break; /* duplicate event */ | |
f676886a JB |
2762 | f = x_window_to_frame (event.window); |
2763 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2764 | { |
f676886a | 2765 | refreshicon (f); |
dc6f92b8 JB |
2766 | break; |
2767 | } | |
2768 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2769 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2770 | break; |
2771 | /* Put the event on the queue of rectangles to redraw. */ | |
2772 | if (enqueue_event (&event, &x_expose_queue)) | |
2773 | /* If it is full, we can't record the rectangle, | |
2774 | so redraw this entire window. */ | |
2775 | { | |
2776 | /* Say must check all windows' needs_exposure flags. */ | |
2777 | expose_all_windows = 1; | |
f676886a | 2778 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2779 | } |
2780 | break; | |
2781 | ||
2782 | case ExposeCopy: | |
2783 | /* This should happen only when we are expecting it, | |
2784 | in x_read_exposes. */ | |
2785 | abort (); | |
c118dd06 | 2786 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2787 | |
2788 | #ifdef HAVE_X11 | |
2789 | case UnmapNotify: | |
f451eb13 JB |
2790 | f = x_window_to_frame (event.xunmap.window); |
2791 | if (f) /* F may no longer exist if | |
f676886a | 2792 | the frame was deleted. */ |
f451eb13 JB |
2793 | { |
2794 | /* While a frame is unmapped, display generation is | |
2795 | disabled; you don't want to spend time updating a | |
2796 | display that won't ever be seen. */ | |
2797 | f->async_visible = 0; | |
2798 | } | |
dc6f92b8 JB |
2799 | break; |
2800 | ||
2801 | case MapNotify: | |
f676886a JB |
2802 | f = x_window_to_frame (event.xmap.window); |
2803 | if (f) | |
dc6f92b8 | 2804 | { |
3a88c238 JB |
2805 | f->async_visible = 1; |
2806 | f->async_iconified = 0; | |
dc6f92b8 JB |
2807 | |
2808 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2809 | the frame's display structures. */ |
2810 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2811 | } |
2812 | break; | |
2813 | ||
2814 | /* Turn off processing if we become fully obscured. */ | |
2815 | case VisibilityNotify: | |
2816 | break; | |
2817 | ||
c118dd06 | 2818 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2819 | case UnmapWindow: |
f676886a JB |
2820 | f = x_window_to_frame (event.window); |
2821 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2822 | f->async_iconified = 0; |
c118dd06 | 2823 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2824 | f->async_visible = 0; |
dc6f92b8 | 2825 | break; |
c118dd06 | 2826 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2827 | |
2828 | #ifdef HAVE_X11 | |
2829 | case KeyPress: | |
f676886a | 2830 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2831 | |
f676886a | 2832 | if (f != 0) |
dc6f92b8 JB |
2833 | { |
2834 | KeySym keysym; | |
dc6f92b8 | 2835 | char copy_buffer[80]; |
64bb1782 RS |
2836 | int modifiers; |
2837 | ||
dfeccd2d JB |
2838 | event.xkey.state |
2839 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 2840 | modifiers = event.xkey.state; |
3a2712f9 | 2841 | |
11edeb03 | 2842 | /* This will have to go some day... */ |
752a043f JB |
2843 | |
2844 | /* make_lispy_event turns chars into control chars. | |
2845 | Don't do it here because XLookupString is too eager. */ | |
2846 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
2847 | nbytes = |
2848 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2849 | &compose_status); | |
dc6f92b8 | 2850 | |
55123275 JB |
2851 | /* Strip off the vendor-specific keysym bit, and take a shot |
2852 | at recognizing the codes. HP servers have extra keysyms | |
2853 | that fit into the MiscFunctionKey category. */ | |
2854 | keysym &= ~(1<<28); | |
2855 | ||
dc6f92b8 JB |
2856 | if (numchars > 1) |
2857 | { | |
a3c44b14 RS |
2858 | if ((keysym >= XK_BackSpace && keysym <= XK_Escape) |
2859 | || keysym == XK_Delete | |
2860 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
55123275 JB |
2861 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < 0xff80 */ |
2862 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ | |
2863 | || IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */ | |
dc6f92b8 | 2864 | { |
10e6549c RS |
2865 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2866 | temp_index = 0; | |
2867 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 2868 | bufp->kind = non_ascii_keystroke; |
a3c44b14 | 2869 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff00); |
12ba150f | 2870 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 2871 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 2872 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2873 | bufp++; |
2874 | count++; | |
2875 | numchars--; | |
2876 | } | |
2877 | else if (numchars > nbytes) | |
2878 | { | |
2879 | register int i; | |
2880 | ||
10e6549c | 2881 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 2882 | { |
10e6549c RS |
2883 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2884 | temp_index = 0; | |
2885 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 2886 | bufp->kind = ascii_keystroke; |
10e6549c | 2887 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); |
12ba150f | 2888 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 2889 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 2890 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2891 | bufp++; |
2892 | } | |
dc6f92b8 JB |
2893 | |
2894 | count += nbytes; | |
2895 | numchars -= nbytes; | |
2896 | } | |
10e6549c RS |
2897 | else |
2898 | abort (); | |
dc6f92b8 | 2899 | } |
10e6549c RS |
2900 | else |
2901 | abort (); | |
dc6f92b8 JB |
2902 | } |
2903 | break; | |
c118dd06 | 2904 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2905 | case KeyPressed: |
2906 | { | |
2907 | register char *where_mapping; | |
2908 | ||
f676886a | 2909 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2910 | /* Ignore keys typed on icon windows. */ |
f676886a | 2911 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2912 | break; |
2913 | where_mapping = XLookupMapping (&event, &nbytes); | |
2914 | /* Nasty fix for arrow keys */ | |
2915 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2916 | { | |
2917 | switch (event.detail & 0xff) | |
2918 | { | |
2919 | case KC_CURSOR_LEFT: | |
2920 | where_mapping = "\002"; | |
2921 | break; | |
2922 | case KC_CURSOR_RIGHT: | |
2923 | where_mapping = "\006"; | |
2924 | break; | |
2925 | case KC_CURSOR_UP: | |
2926 | where_mapping = "\020"; | |
2927 | break; | |
2928 | case KC_CURSOR_DOWN: | |
2929 | where_mapping = "\016"; | |
2930 | break; | |
2931 | } | |
2932 | nbytes = 1; | |
2933 | } | |
2934 | if (numchars - nbytes > 0) | |
2935 | { | |
2936 | register int i; | |
2937 | ||
2938 | for (i = 0; i < nbytes; i++) | |
2939 | { | |
2940 | bufp->kind = ascii_keystroke; | |
2941 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2942 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 2943 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
2944 | bufp++; |
2945 | } | |
2946 | count += nbytes; | |
2947 | numchars -= nbytes; | |
2948 | } | |
2949 | } | |
2950 | break; | |
c118dd06 | 2951 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2952 | |
2953 | #ifdef HAVE_X11 | |
f451eb13 JB |
2954 | |
2955 | /* Here's a possible interpretation of the whole | |
2956 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
2957 | FocusIn event, you have to get a FocusOut event before you | |
2958 | relinquish the focus. If you haven't received a FocusIn event, | |
2959 | then a mere LeaveNotify is enough to free you. */ | |
2960 | ||
dc6f92b8 | 2961 | case EnterNotify: |
f676886a | 2962 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 2963 | |
f451eb13 | 2964 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 2965 | { |
dc6f92b8 | 2966 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
2967 | if (f && (!(f->auto_raise) |
2968 | || !(f->auto_lower) | |
dc6f92b8 JB |
2969 | || (event.xcrossing.time - enter_timestamp) > 500)) |
2970 | { | |
f676886a | 2971 | x_new_focus_frame (f); |
dc6f92b8 JB |
2972 | enter_timestamp = event.xcrossing.time; |
2973 | } | |
dc6f92b8 | 2974 | } |
f676886a JB |
2975 | else if (f == x_focus_frame) |
2976 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2977 | |
2978 | break; | |
2979 | ||
2980 | case FocusIn: | |
f676886a | 2981 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2982 | if (event.xfocus.detail != NotifyPointer) |
2983 | x_focus_event_frame = f; | |
f676886a JB |
2984 | if (f) |
2985 | x_new_focus_frame (f); | |
dc6f92b8 JB |
2986 | break; |
2987 | ||
f451eb13 | 2988 | |
dc6f92b8 | 2989 | case LeaveNotify: |
f451eb13 | 2990 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 2991 | |
f451eb13 JB |
2992 | if (event.xcrossing.focus) |
2993 | { | |
2994 | if (! x_focus_event_frame) | |
2995 | x_new_focus_frame (0); | |
2996 | else | |
f676886a | 2997 | x_new_focus_frame (f); |
f451eb13 JB |
2998 | } |
2999 | else | |
3000 | { | |
3001 | if (f == x_focus_event_frame) | |
3002 | x_focus_event_frame = 0; | |
3003 | if (f == x_focus_frame) | |
f676886a | 3004 | x_new_focus_frame (0); |
dc6f92b8 JB |
3005 | } |
3006 | break; | |
3007 | ||
3008 | case FocusOut: | |
f676886a | 3009 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3010 | if (event.xfocus.detail != NotifyPointer |
3011 | && f == x_focus_event_frame) | |
3012 | x_focus_event_frame = 0; | |
f676886a JB |
3013 | if (f && f == x_focus_frame) |
3014 | x_new_focus_frame (0); | |
dc6f92b8 JB |
3015 | break; |
3016 | ||
c118dd06 | 3017 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3018 | |
3019 | case EnterWindow: | |
3020 | if ((event.detail & 0xFF) == 1) | |
3021 | break; /* Coming from our own subwindow */ | |
3022 | if (event.subwindow != 0) | |
3023 | break; /* Entering our own subwindow. */ | |
3024 | ||
3025 | { | |
f676886a JB |
3026 | f = x_window_to_frame (event.window); |
3027 | x_mouse_frame = f; | |
dc6f92b8 | 3028 | |
f676886a | 3029 | x_new_focus_frame (f); |
dc6f92b8 JB |
3030 | } |
3031 | break; | |
3032 | ||
3033 | case LeaveWindow: | |
3034 | if ((event.detail & 0xFF) == 1) | |
3035 | break; /* Entering our own subwindow */ | |
3036 | if (event.subwindow != 0) | |
3037 | break; /* Leaving our own subwindow. */ | |
3038 | ||
f676886a JB |
3039 | x_mouse_frame = 0; |
3040 | if (x_focus_frame == 0 | |
3041 | && x_input_frame != 0 | |
3042 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 3043 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 3044 | { |
f676886a JB |
3045 | f = x_input_frame; |
3046 | x_input_frame = 0; | |
3047 | if (f) | |
3048 | frame_unhighlight (f); | |
dc6f92b8 JB |
3049 | } |
3050 | break; | |
c118dd06 | 3051 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3052 | |
3053 | #ifdef HAVE_X11 | |
3054 | case MotionNotify: | |
3055 | { | |
f676886a JB |
3056 | f = x_window_to_frame (event.xmotion.window); |
3057 | if (f) | |
12ba150f | 3058 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 3059 | else |
dc6f92b8 | 3060 | { |
ab648270 JB |
3061 | struct scroll_bar *bar = |
3062 | x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3063 | |
3064 | if (bar) | |
ab648270 | 3065 | x_scroll_bar_note_movement (bar, &event); |
dc6f92b8 | 3066 | } |
dc6f92b8 JB |
3067 | } |
3068 | break; | |
3069 | ||
3070 | case ConfigureNotify: | |
dbc4e1c1 JB |
3071 | f = x_window_to_frame (event.xconfigure.window); |
3072 | if (f) | |
3073 | { | |
3074 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3075 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3076 | ||
3077 | /* Even if the number of character rows and columns has | |
3078 | not changed, the font size may have changed, so we need | |
3079 | to check the pixel dimensions as well. */ | |
3080 | if (columns != f->width | |
3081 | || rows != f->height | |
3082 | || event.xconfigure.width != f->display.x->pixel_width | |
3083 | || event.xconfigure.height != f->display.x->pixel_height) | |
3084 | { | |
3085 | change_frame_size (f, rows, columns, 0, 1); | |
3086 | SET_FRAME_GARBAGED (f); | |
3087 | } | |
dc6f92b8 | 3088 | |
dbc4e1c1 JB |
3089 | f->display.x->pixel_width = event.xconfigure.width; |
3090 | f->display.x->pixel_height = event.xconfigure.height; | |
3091 | f->display.x->left_pos = event.xconfigure.x; | |
3092 | f->display.x->top_pos = event.xconfigure.y; | |
3093 | } | |
3094 | break; | |
dc6f92b8 JB |
3095 | |
3096 | case ButtonPress: | |
3097 | case ButtonRelease: | |
3098 | { | |
3099 | /* If we decide we want to generate an event to be seen | |
3100 | by the rest of Emacs, we put it here. */ | |
3101 | struct input_event emacs_event; | |
3102 | emacs_event.kind = no_event; | |
3103 | ||
f676886a JB |
3104 | f = x_window_to_frame (event.xbutton.window); |
3105 | if (f) | |
f451eb13 JB |
3106 | { |
3107 | if (!x_focus_frame || (f == x_focus_frame)) | |
3108 | construct_mouse_click (&emacs_event, | |
b10fd412 | 3109 | &event, f); |
f451eb13 | 3110 | } |
dc6f92b8 | 3111 | else |
f451eb13 | 3112 | { |
ab648270 JB |
3113 | struct scroll_bar *bar = |
3114 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3115 | |
3116 | if (bar) | |
ab648270 | 3117 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
f451eb13 | 3118 | } |
dc6f92b8 JB |
3119 | |
3120 | if (numchars >= 1 && emacs_event.kind != no_event) | |
3121 | { | |
3122 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3123 | bufp++; | |
3124 | count++; | |
3125 | numchars--; | |
3126 | } | |
3127 | } | |
3128 | break; | |
3129 | ||
c118dd06 | 3130 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3131 | case ButtonPressed: |
3132 | case ButtonReleased: | |
f676886a JB |
3133 | f = x_window_to_frame (event.window); |
3134 | if (f) | |
dc6f92b8 | 3135 | { |
f676886a | 3136 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 3137 | { |
f676886a | 3138 | x_make_frame_visible (f); |
dc6f92b8 JB |
3139 | |
3140 | if (warp_mouse_on_deiconify) | |
c118dd06 | 3141 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
3142 | break; |
3143 | } | |
c118dd06 | 3144 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 3145 | { |
f676886a JB |
3146 | if (f->auto_raise) |
3147 | x_raise_frame (f); | |
dc6f92b8 JB |
3148 | } |
3149 | } | |
3150 | enqueue_event (&event, &x_mouse_queue); | |
3151 | if (numchars >= 2) | |
3152 | { | |
3153 | bufp->kind = ascii_keystroke; | |
3154 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 3155 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3156 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3157 | bufp++; |
3158 | ||
3159 | bufp->kind = ascii_keystroke; | |
3160 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 3161 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3162 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3163 | bufp++; |
3164 | ||
3165 | count += 2; | |
3166 | numchars -= 2; | |
3167 | } | |
3168 | break; | |
c118dd06 | 3169 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3170 | |
3171 | #ifdef HAVE_X11 | |
3172 | ||
3173 | case CirculateNotify: | |
3174 | break; | |
3175 | case CirculateRequest: | |
3176 | break; | |
3177 | ||
c118dd06 | 3178 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3179 | |
3180 | case MappingNotify: | |
11edeb03 JB |
3181 | /* Someone has changed the keyboard mapping - update the |
3182 | local cache. */ | |
3183 | switch (event.xmapping.request) | |
3184 | { | |
3185 | case MappingModifier: | |
3186 | x_find_modifier_meanings (); | |
3187 | /* This is meant to fall through. */ | |
3188 | case MappingKeyboard: | |
3189 | XRefreshKeyboardMapping (&event.xmapping); | |
3190 | } | |
dc6f92b8 JB |
3191 | break; |
3192 | ||
3193 | default: | |
3194 | break; | |
3195 | } | |
3196 | } | |
3197 | ||
3198 | #if 0 | |
3199 | #ifdef HAVE_SELECT | |
3200 | if (expected && ! event_found) | |
3201 | { | |
3202 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3203 | there is an EOF condition; in other words, that X has died. | |
3204 | Act as if there had been a hangup. */ | |
3205 | ||
3206 | int fd = ConnectionNumber (x_current_display); | |
3207 | int mask = 1 << fd; | |
3208 | ||
3209 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 3210 | (EMACS_TIME) 0) |
dc6f92b8 JB |
3211 | && !XStuffPending ()) |
3212 | kill (getpid (), SIGHUP); | |
3213 | } | |
c118dd06 JB |
3214 | #endif /* ! defined (HAVE_SELECT) */ |
3215 | #endif /* ! 0 */ | |
dc6f92b8 | 3216 | |
f451eb13 | 3217 | #ifndef HAVE_X11 |
f676886a | 3218 | if (updating_frame == 0) |
dc6f92b8 | 3219 | x_do_pending_expose (); |
f451eb13 | 3220 | #endif |
dc6f92b8 JB |
3221 | |
3222 | UNBLOCK_INPUT; | |
3223 | return count; | |
3224 | } | |
3225 | ||
3226 | #ifndef HAVE_X11 | |
3227 | /* Read and process only Expose events | |
3228 | until we get an ExposeCopy event; then return. | |
3229 | This is used in insert/delete line. | |
3230 | We assume input is already blocked. */ | |
3231 | ||
3232 | static void | |
3233 | x_read_exposes () | |
3234 | { | |
f676886a | 3235 | struct frame *f; |
dc6f92b8 JB |
3236 | XKeyPressedEvent event; |
3237 | ||
3238 | while (1) | |
3239 | { | |
3240 | /* while there are more events*/ | |
3241 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3242 | switch (event.type) | |
3243 | { | |
3244 | case ExposeWindow: | |
3245 | if (event.subwindow != 0) | |
3246 | break; /* duplicate event */ | |
f676886a JB |
3247 | f = x_window_to_frame (event.window); |
3248 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3249 | { |
f676886a | 3250 | refreshicon (f); |
dc6f92b8 JB |
3251 | break; |
3252 | } | |
c118dd06 | 3253 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3254 | { |
3255 | expose_all_windows = 1; | |
f676886a | 3256 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3257 | break; |
3258 | } | |
3259 | break; | |
3260 | ||
3261 | case ExposeRegion: | |
3262 | if (event.subwindow != 0) | |
3263 | break; /* duplicate event */ | |
f676886a JB |
3264 | f = x_window_to_frame (event.window); |
3265 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3266 | { |
f676886a | 3267 | refreshicon (f); |
dc6f92b8 JB |
3268 | break; |
3269 | } | |
3270 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3271 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3272 | break; |
3273 | /* Put the event on the queue of rectangles to redraw. */ | |
3274 | if (enqueue_event (&event, &x_expose_queue)) | |
3275 | /* If it is full, we can't record the rectangle, | |
3276 | so redraw this entire window. */ | |
3277 | { | |
3278 | /* Say must check all windows' needs_exposure flags. */ | |
3279 | expose_all_windows = 1; | |
f676886a | 3280 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3281 | } |
3282 | break; | |
3283 | ||
3284 | case ExposeCopy: | |
3285 | return; | |
3286 | } | |
3287 | } | |
3288 | } | |
3289 | #endif /* HAVE_X11 */ | |
3290 | ||
dc6f92b8 | 3291 | \f |
f451eb13 JB |
3292 | /* Drawing the cursor. */ |
3293 | ||
3294 | ||
dc6f92b8 JB |
3295 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3296 | ||
3297 | static void | |
f676886a JB |
3298 | x_draw_box (f) |
3299 | struct frame *f; | |
dc6f92b8 | 3300 | { |
12ba150f JB |
3301 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3302 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3303 | int width = FONT_WIDTH (f->display.x->font); |
3304 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3305 | |
3306 | #ifdef HAVE_X11 | |
c118dd06 | 3307 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3308 | f->display.x->cursor_gc, |
dc6f92b8 | 3309 | left, top, width - 1, height - 1); |
c118dd06 JB |
3310 | #else /* ! defined (HAVE_X11) */ |
3311 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3312 | left, top, width, 1, |
f676886a | 3313 | f->display.x->cursor_pixel); |
dc6f92b8 | 3314 | |
c118dd06 | 3315 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3316 | left, top, 1, height, |
f676886a | 3317 | f->display.x->cursor_pixel); |
dc6f92b8 | 3318 | |
c118dd06 | 3319 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3320 | left+width-1, top, 1, height, |
f676886a | 3321 | f->display.x->cursor_pixel); |
dc6f92b8 | 3322 | |
c118dd06 | 3323 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3324 | left, top+height-1, width, 1, |
f676886a | 3325 | f->display.x->cursor_pixel); |
c118dd06 | 3326 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3327 | } |
3328 | ||
f676886a | 3329 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3330 | and mark the cursor as not shown. |
3331 | This is used when the text where the cursor is | |
3332 | is about to be rewritten. */ | |
3333 | ||
3334 | static void | |
f676886a JB |
3335 | clear_cursor (f) |
3336 | struct frame *f; | |
dc6f92b8 JB |
3337 | { |
3338 | int mask; | |
3339 | ||
f451eb13 | 3340 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3341 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3342 | return; |
3343 | ||
3344 | #ifdef HAVE_X11 | |
f676886a | 3345 | x_display_cursor (f, 0); |
c118dd06 JB |
3346 | #else /* ! defined (HAVE_X11) */ |
3347 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3348 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3349 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3350 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3351 | f->display.x->background_pixel); | |
c118dd06 | 3352 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3353 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3354 | } |
3355 | ||
f676886a | 3356 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3357 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3358 | glyph drawn. */ | |
dc6f92b8 JB |
3359 | |
3360 | static void | |
f676886a JB |
3361 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3362 | struct frame *f; | |
dc6f92b8 | 3363 | int row, column; |
90e65f07 | 3364 | GLYPH glyph; |
dc6f92b8 JB |
3365 | int highlight; |
3366 | { | |
f676886a | 3367 | dumpglyphs (f, |
12ba150f JB |
3368 | CHAR_TO_PIXEL_COL (f, column), |
3369 | CHAR_TO_PIXEL_ROW (f, row), | |
07e34cb0 | 3370 | &glyph, 1, highlight); |
dc6f92b8 JB |
3371 | } |
3372 | ||
dc6f92b8 | 3373 | static void |
dbc4e1c1 | 3374 | x_display_bar_cursor (f, on) |
f676886a | 3375 | struct frame *f; |
dc6f92b8 JB |
3376 | int on; |
3377 | { | |
f676886a | 3378 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3379 | |
49d838ea JB |
3380 | /* This is pointless on invisible frames, and dangerous on garbaged |
3381 | frames; in the latter case, the frame may be in the midst of | |
3382 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3383 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
3384 | return; |
3385 | ||
3386 | if (! on && f->phys_cursor_x < 0) | |
3387 | return; | |
3388 | ||
f676886a | 3389 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3390 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3391 | if (f != updating_frame) |
1113d9db | 3392 | { |
f676886a JB |
3393 | curs_x = FRAME_CURSOR_X (f); |
3394 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3395 | } |
3396 | ||
dbc4e1c1 JB |
3397 | /* If there is anything wrong with the current cursor state, remove it. */ |
3398 | if (f->phys_cursor_x >= 0 | |
3399 | && (!on | |
3400 | || f->phys_cursor_x != curs_x | |
3401 | || f->phys_cursor_y != curs_y | |
3402 | || f->display.x->current_cursor != bar_cursor)) | |
3403 | { | |
3404 | /* Erase the cursor by redrawing the character underneath it. */ | |
3405 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3406 | f->phys_cursor_glyph, | |
3407 | current_glyphs->highlight[f->phys_cursor_y]); | |
3408 | f->phys_cursor_x = -1; | |
3409 | } | |
3410 | ||
3411 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3412 | if (on | |
3413 | && (f->phys_cursor_x < 0 | |
3414 | || (f->display.x->current_cursor != bar_cursor))) | |
3415 | { | |
3416 | f->phys_cursor_glyph | |
3417 | = ((current_glyphs->enable[curs_y] | |
3418 | && curs_x < current_glyphs->used[curs_y]) | |
3419 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3420 | : SPACEGLYPH); | |
3421 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3422 | f->display.x->cursor_gc, | |
3423 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3424 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3425 | 1, FONT_HEIGHT (f->display.x->font)); | |
3426 | ||
3427 | f->phys_cursor_x = curs_x; | |
3428 | f->phys_cursor_y = curs_y; | |
3429 | ||
3430 | f->display.x->current_cursor = bar_cursor; | |
3431 | } | |
3432 | ||
3433 | if (updating_frame != f) | |
3434 | XFlushQueue (); | |
3435 | } | |
3436 | ||
3437 | ||
3438 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3439 | If ON is nonzero, where to put the cursor is specified | |
3440 | by F->cursor_x and F->cursor_y. */ | |
3441 | ||
3442 | static void | |
3443 | x_display_box_cursor (f, on) | |
3444 | struct frame *f; | |
3445 | int on; | |
3446 | { | |
3447 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3448 | ||
49d838ea JB |
3449 | /* This is pointless on invisible frames, and dangerous on garbaged |
3450 | frames; in the latter case, the frame may be in the midst of | |
3451 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3452 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
3453 | return; |
3454 | ||
3455 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3456 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3457 | return; |
3458 | ||
dbc4e1c1 JB |
3459 | /* If we're not updating, then we want to use the current frame's |
3460 | cursor position, not our local idea of where the cursor ought to be. */ | |
3461 | if (f != updating_frame) | |
3462 | { | |
3463 | curs_x = FRAME_CURSOR_X (f); | |
3464 | curs_y = FRAME_CURSOR_Y (f); | |
3465 | } | |
3466 | ||
dc6f92b8 JB |
3467 | /* If cursor is currently being shown and we don't want it to be |
3468 | or it is in the wrong place, | |
3469 | or we want a hollow box and it's not so, (pout!) | |
3470 | erase it. */ | |
f676886a | 3471 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3472 | && (!on |
f676886a JB |
3473 | || f->phys_cursor_x != curs_x |
3474 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3475 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3476 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3477 | { |
3478 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3479 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3480 | f->phys_cursor_glyph, | |
3481 | current_glyphs->highlight[f->phys_cursor_y]); | |
3482 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3483 | } |
3484 | ||
3485 | /* If we want to show a cursor, | |
3486 | or we want a box cursor and it's not so, | |
3487 | write it in the right place. */ | |
3488 | if (on | |
f676886a | 3489 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3490 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3491 | && f == x_highlight_frame))) |
dc6f92b8 | 3492 | { |
f676886a | 3493 | f->phys_cursor_glyph |
1113d9db JB |
3494 | = ((current_glyphs->enable[curs_y] |
3495 | && curs_x < current_glyphs->used[curs_y]) | |
3496 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3497 | : SPACEGLYPH); |
f676886a | 3498 | if (f != x_highlight_frame) |
dc6f92b8 | 3499 | { |
f676886a | 3500 | x_draw_box (f); |
dbc4e1c1 | 3501 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3502 | } |
3503 | else | |
3504 | { | |
f676886a JB |
3505 | x_draw_single_glyph (f, curs_y, curs_x, |
3506 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3507 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3508 | } |
3509 | ||
f676886a JB |
3510 | f->phys_cursor_x = curs_x; |
3511 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3512 | } |
3513 | ||
f676886a | 3514 | if (updating_frame != f) |
dc6f92b8 JB |
3515 | XFlushQueue (); |
3516 | } | |
3517 | ||
f676886a JB |
3518 | x_display_cursor (f, on) |
3519 | struct frame *f; | |
dc6f92b8 JB |
3520 | int on; |
3521 | { | |
dbc4e1c1 | 3522 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3523 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3524 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3525 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3526 | else |
3527 | /* Those are the only two we have implemented! */ | |
3528 | abort (); | |
dc6f92b8 JB |
3529 | } |
3530 | \f | |
3531 | /* Icons. */ | |
3532 | ||
f676886a | 3533 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3534 | when we get an expose event for it. */ |
3535 | ||
f676886a JB |
3536 | refreshicon (f) |
3537 | struct frame *f; | |
dc6f92b8 JB |
3538 | { |
3539 | #ifdef HAVE_X11 | |
3540 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3541 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3542 | int mask; |
3543 | ||
f676886a JB |
3544 | if (f->display.x->icon_bitmap_flag) |
3545 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3546 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3547 | icon_bitmap, GXcopy, AllPlanes); | |
3548 | else | |
3549 | { | |
f676886a | 3550 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3551 | struct Lisp_String *str; |
3552 | unsigned char *string; | |
3553 | ||
3554 | string | |
f676886a | 3555 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3556 | |
f676886a | 3557 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3558 | { |
f676886a JB |
3559 | f->display.x->icon_label = string; |
3560 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3561 | XQueryWidth (string, icon_font_info->id) + 10, |
3562 | icon_font_info->height + 10); | |
3563 | } | |
3564 | ||
f676886a | 3565 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3566 | str->size, icon_font_info->id, |
3567 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3568 | } | |
3569 | XFlushQueue (); | |
c118dd06 | 3570 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3571 | } |
3572 | ||
dbc4e1c1 | 3573 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
3574 | |
3575 | int | |
f676886a JB |
3576 | x_bitmap_icon (f) |
3577 | struct frame *f; | |
dc6f92b8 JB |
3578 | { |
3579 | int mask; | |
3580 | Window icon_window; | |
3581 | ||
c118dd06 | 3582 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3583 | return 1; |
3584 | ||
3585 | #ifdef HAVE_X11 | |
3586 | if (icon_bitmap) | |
3587 | XFreePixmap (x_current_display, icon_bitmap); | |
3588 | ||
3589 | icon_bitmap = | |
c118dd06 | 3590 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3591 | gnu_bits, gnu_width, gnu_height); |
f676886a JB |
3592 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3593 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3594 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3595 | if (f->display.x->icon_desc) |
dc6f92b8 | 3596 | { |
c118dd06 | 3597 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3598 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3599 | } |
3600 | ||
f676886a | 3601 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3602 | 0, 0, sink_width, sink_height, |
3603 | 2, WhitePixmap, (Pixmap) NULL); | |
3604 | ||
3605 | if (icon_window == 0) | |
3606 | return 1; | |
3607 | ||
c118dd06 | 3608 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3609 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3610 | ||
f676886a JB |
3611 | f->display.x->icon_desc = icon_window; |
3612 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3613 | |
3614 | if (icon_bitmap == 0) | |
3615 | icon_bitmap | |
3616 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3617 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3618 | |
3619 | return 0; | |
3620 | } | |
3621 | ||
3622 | ||
f676886a | 3623 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3624 | |
3625 | int | |
f676886a JB |
3626 | x_text_icon (f, icon_name) |
3627 | struct frame *f; | |
dc6f92b8 JB |
3628 | char *icon_name; |
3629 | { | |
3630 | #ifndef HAVE_X11 | |
3631 | int mask; | |
3632 | int width; | |
3633 | Window icon_window; | |
3634 | char *X_DefaultValue; | |
3635 | Bitmap b1; | |
3636 | ||
dc6f92b8 JB |
3637 | #ifndef WhitePixel |
3638 | #define WhitePixel 1 | |
c118dd06 | 3639 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3640 | |
3641 | #ifndef BlackPixel | |
3642 | #define BlackPixel 0 | |
c118dd06 JB |
3643 | #endif /* BlackPixel */ |
3644 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3645 | |
c118dd06 | 3646 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3647 | return 1; |
3648 | ||
dc6f92b8 JB |
3649 | #ifdef HAVE_X11 |
3650 | if (icon_name) | |
f676886a | 3651 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3652 | else |
f676886a JB |
3653 | if (! f->display.x->icon_label) |
3654 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3655 | |
dfeccd2d | 3656 | #if 0 |
c118dd06 | 3657 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3658 | (char *) f->display.x->icon_label); |
dfeccd2d | 3659 | #endif |
dc6f92b8 | 3660 | |
f676886a | 3661 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3662 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3663 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
3664 | if (icon_font_info == 0) |
3665 | icon_font_info | |
3666 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 3667 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
3668 | "BodyFont")); |
3669 | ||
f676886a | 3670 | if (f->display.x->icon_desc) |
dc6f92b8 | 3671 | { |
c118dd06 | 3672 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3673 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3674 | } |
3675 | ||
3676 | if (icon_name) | |
f676886a | 3677 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3678 | else |
f676886a JB |
3679 | if (! f->display.x->icon_label) |
3680 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3681 | |
f676886a JB |
3682 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3683 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3684 | f->display.x->left_pos, | |
3685 | f->display.x->top_pos, | |
dc6f92b8 JB |
3686 | width + 10, icon_font_info->height + 10, |
3687 | 2, BlackPixmap, WhitePixmap); | |
3688 | ||
3689 | if (icon_window == 0) | |
3690 | return 1; | |
3691 | ||
c118dd06 | 3692 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3693 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3694 | ||
f676886a JB |
3695 | f->display.x->icon_desc = icon_window; |
3696 | f->display.x->icon_bitmap_flag = 0; | |
3697 | f->display.x->icon_label = 0; | |
c118dd06 | 3698 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3699 | |
3700 | return 0; | |
3701 | } | |
3702 | \f | |
4746118a JB |
3703 | /* Handling X errors. */ |
3704 | ||
12ba150f JB |
3705 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3706 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3707 | |
4746118a | 3708 | static SIGTYPE |
c118dd06 | 3709 | x_connection_closed () |
4746118a JB |
3710 | { |
3711 | if (_Xdebug) | |
3712 | abort (); | |
12ba150f JB |
3713 | |
3714 | shut_down_emacs (0); | |
3715 | ||
3716 | exit (70); | |
4746118a JB |
3717 | } |
3718 | ||
8922af5f JB |
3719 | /* An X error handler which prints an error message and then kills |
3720 | Emacs. This is what's normally installed as Xlib's handler for | |
3721 | protocol errors. */ | |
c118dd06 JB |
3722 | static int |
3723 | x_error_quitter (display, error) | |
3724 | Display *display; | |
3725 | XErrorEvent *error; | |
3726 | { | |
3727 | char buf[256]; | |
dc6f92b8 | 3728 | |
c118dd06 JB |
3729 | /* Note that there is no real way portable across R3/R4 to get the |
3730 | original error handler. */ | |
dc6f92b8 | 3731 | |
c118dd06 JB |
3732 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3733 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3734 | buf, error->request_code); | |
dc6f92b8 | 3735 | |
12ba150f JB |
3736 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3737 | get an X error, so we can figure out why it happened. */ | |
3738 | abort (); | |
3739 | ||
c118dd06 | 3740 | x_connection_closed (); |
dc6f92b8 JB |
3741 | } |
3742 | ||
8922af5f JB |
3743 | /* A handler for X IO errors which prints an error message and then |
3744 | kills Emacs. This is what is always installed as Xlib's handler | |
3745 | for I/O errors. */ | |
3746 | static int | |
3747 | x_io_error_quitter (display) | |
3748 | Display *display; | |
3749 | { | |
3750 | fprintf (stderr, "Connection to X server %s lost.\n", | |
3751 | XDisplayName (DisplayString (display))); | |
3752 | ||
3753 | /* While we're testing Emacs 19, we'll just dump core whenever we | |
3754 | get an X error, so we can figure out why it happened. */ | |
3755 | abort (); | |
3756 | ||
3757 | x_connection_closed (); | |
3758 | } | |
3759 | ||
c118dd06 JB |
3760 | /* A buffer for storing X error messages. */ |
3761 | static char (*x_caught_error_message)[200]; | |
3762 | ||
3763 | /* An X error handler which stores the error message in | |
3764 | x_caught_error_message. This is what's installed when | |
3765 | x_catch_errors is in effect. */ | |
3766 | static int | |
3767 | x_error_catcher (display, error) | |
3768 | Display *display; | |
3769 | XErrorEvent *error; | |
3770 | { | |
3771 | XGetErrorText (display, error->error_code, | |
3772 | *x_caught_error_message, sizeof (*x_caught_error_message)); | |
3773 | } | |
3774 | ||
3775 | ||
3776 | /* Begin trapping X errors. | |
dc6f92b8 | 3777 | |
c118dd06 JB |
3778 | After calling this function, X protocol errors no longer cause |
3779 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3780 | |
c118dd06 JB |
3781 | Calling x_check_errors signals an Emacs error if an X error has |
3782 | occurred since the last call to x_catch_errors or x_check_errors. | |
3783 | ||
3784 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3785 | ||
3786 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3787 | ||
3788 | void | |
3789 | x_catch_errors () | |
dc6f92b8 | 3790 | { |
c118dd06 JB |
3791 | /* Make sure any errors from previous requests have been dealt with. */ |
3792 | XSync (x_current_display, False); | |
dc6f92b8 | 3793 | |
c118dd06 JB |
3794 | /* Set up the error buffer. */ |
3795 | x_caught_error_message = | |
3796 | (char (*)[]) xmalloc (sizeof (*x_caught_error_message)); | |
d872b748 | 3797 | (*x_caught_error_message)[0] = '\0'; |
16bd92ea | 3798 | |
c118dd06 JB |
3799 | /* Install our little error handler. */ |
3800 | XHandleError (x_error_catcher); | |
3801 | } | |
16bd92ea | 3802 | |
c118dd06 JB |
3803 | /* If any X protocol errors have arrived since the last call to |
3804 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3805 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3806 | void | |
3807 | x_check_errors (format) | |
3808 | char *format; | |
3809 | { | |
3810 | /* Make sure to catch any errors incurred so far. */ | |
3811 | XSync (x_current_display, False); | |
16bd92ea | 3812 | |
c118dd06 JB |
3813 | if ((*x_caught_error_message)[0]) |
3814 | { | |
3815 | char buf[256]; | |
3816 | ||
3817 | sprintf (buf, format, *x_caught_error_message); | |
9ac0d9e0 | 3818 | xfree (x_caught_error_message); |
dc6f92b8 | 3819 | |
c118dd06 JB |
3820 | x_uncatch_errors (); |
3821 | error (buf); | |
3822 | } | |
3823 | } | |
3824 | ||
3825 | void | |
3826 | x_uncatch_errors () | |
3827 | { | |
9ac0d9e0 | 3828 | xfree (x_caught_error_message); |
c118dd06 | 3829 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
3830 | } |
3831 | ||
dc6f92b8 JB |
3832 | #if 0 |
3833 | static unsigned int x_wire_count; | |
3834 | x_trace_wire () | |
3835 | { | |
3836 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3837 | } | |
c118dd06 | 3838 | #endif /* ! 0 */ |
dc6f92b8 JB |
3839 | |
3840 | \f | |
f451eb13 JB |
3841 | /* Changing the font of the frame. */ |
3842 | ||
f676886a | 3843 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3844 | to the font named NEWNAME. This is safe to use |
f676886a | 3845 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3846 | |
3847 | #ifdef HAVE_X11 | |
3848 | ||
3849 | /* A table of all the fonts we have already loaded. */ | |
3850 | static XFontStruct **x_font_table; | |
3851 | ||
3852 | /* The current capacity of x_font_table. */ | |
3853 | static int x_font_table_size; | |
3854 | ||
3855 | /* The number of fonts actually stored in x_font_table. | |
3856 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3857 | 0 <= n_fonts <= x_font_table_size. */ | |
3858 | static int n_fonts; | |
3859 | ||
f676886a JB |
3860 | x_new_font (f, fontname) |
3861 | struct frame *f; | |
dc6f92b8 JB |
3862 | register char *fontname; |
3863 | { | |
3864 | XFontStruct *temp; | |
3865 | int already_loaded; | |
3866 | int n_matching_fonts; | |
3867 | XFontStruct *font_info; | |
3868 | char **font_names; | |
3869 | ||
3870 | /* Get a list of all the fonts that match this name. Once we | |
3871 | have a list of matching fonts, we compare them against the fonts | |
3872 | we already have by comparing font ids. */ | |
3873 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3874 | 1024, &n_matching_fonts, | |
3875 | &font_info); | |
3876 | /* If the server couldn't find any fonts whose named matched fontname, | |
3877 | return an error code. */ | |
3878 | if (n_matching_fonts == 0) | |
3879 | return 1; | |
3880 | ||
90e65f07 | 3881 | /* See if we've already loaded a matching font. */ |
dc6f92b8 JB |
3882 | { |
3883 | int i, j; | |
3884 | ||
3885 | already_loaded = 0; | |
3886 | for (i = 0; i < n_fonts; i++) | |
3887 | for (j = 0; j < n_matching_fonts; j++) | |
3888 | if (x_font_table[i]->fid == font_info[j].fid) | |
3889 | { | |
3890 | already_loaded = i; | |
3891 | goto found_font; | |
3892 | } | |
3893 | } | |
3894 | found_font: | |
3895 | ||
3896 | /* If we have, just return it from the table. */ | |
3897 | if (already_loaded) | |
f676886a | 3898 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3899 | |
dc6f92b8 JB |
3900 | /* Otherwise, load the font and add it to the table. */ |
3901 | else | |
3902 | { | |
3903 | XFontStruct *font; | |
3904 | ||
3905 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); | |
3906 | if (! font) | |
3907 | return 1; | |
3908 | ||
3909 | /* Do we need to create the table? */ | |
3910 | if (x_font_table_size == 0) | |
3911 | { | |
3912 | x_font_table_size = 16; | |
3913 | x_font_table | |
3914 | = (XFontStruct **) xmalloc (x_font_table_size | |
3915 | * sizeof (x_font_table[0])); | |
3916 | } | |
3917 | /* Do we need to grow the table? */ | |
3918 | else if (n_fonts >= x_font_table_size) | |
3919 | { | |
90e65f07 | 3920 | x_font_table_size *= 2; |
dc6f92b8 JB |
3921 | x_font_table |
3922 | = (XFontStruct **) xrealloc (x_font_table, | |
3923 | (x_font_table_size | |
3924 | * sizeof (x_font_table[0]))); | |
3925 | } | |
3926 | ||
f676886a | 3927 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
3928 | } |
3929 | ||
3930 | /* Free the information from XListFontsWithInfo. The data | |
3931 | we actually retain comes from XLoadQueryFont. */ | |
3932 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
3933 | ||
f676886a | 3934 | /* Now make the frame display the given font. */ |
c118dd06 | 3935 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 3936 | { |
f676886a JB |
3937 | XSetFont (x_current_display, f->display.x->normal_gc, |
3938 | f->display.x->font->fid); | |
3939 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
3940 | f->display.x->font->fid); | |
3941 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
3942 | f->display.x->font->fid); | |
decb54c6 | 3943 | init_frame_faces (f); |
f676886a JB |
3944 | |
3945 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
3946 | } |
3947 | ||
3948 | return 0; | |
3949 | } | |
c118dd06 | 3950 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
3951 | x_new_font (f, newname) |
3952 | struct frame *f; | |
dc6f92b8 JB |
3953 | register char *newname; |
3954 | { | |
3955 | FONT_TYPE *temp; | |
3956 | int mask; | |
3957 | ||
3958 | temp = XGetFont (newname); | |
3959 | if (temp == (FONT_TYPE *) 0) | |
3960 | return 1; | |
3961 | ||
f676886a JB |
3962 | if (f->display.x->font) |
3963 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 3964 | |
f676886a | 3965 | f->display.x->font = temp; |
dc6f92b8 | 3966 | |
c118dd06 | 3967 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 3968 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
3969 | |
3970 | return 0; | |
3971 | } | |
c118dd06 | 3972 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3973 | \f |
f451eb13 JB |
3974 | /* X Window sizes and positions. */ |
3975 | ||
f676886a JB |
3976 | x_calc_absolute_position (f) |
3977 | struct frame *f; | |
dc6f92b8 JB |
3978 | { |
3979 | #ifdef HAVE_X11 | |
f676886a JB |
3980 | if (f->display.x->left_pos < 0) |
3981 | f->display.x->left_pos | |
7c5283e4 | 3982 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 3983 | |
f676886a JB |
3984 | if (f->display.x->top_pos < 0) |
3985 | f->display.x->top_pos | |
7c5283e4 | 3986 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 3987 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3988 | WINDOWINFO_TYPE parentinfo; |
3989 | ||
c118dd06 | 3990 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 3991 | |
f676886a JB |
3992 | if (f->display.x->left_pos < 0) |
3993 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
3994 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 3995 | |
f676886a JB |
3996 | if (f->display.x->top_pos < 0) |
3997 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
3998 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 3999 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4000 | } |
4001 | ||
f676886a JB |
4002 | x_set_offset (f, xoff, yoff) |
4003 | struct frame *f; | |
dc6f92b8 JB |
4004 | register int xoff, yoff; |
4005 | { | |
f676886a JB |
4006 | f->display.x->top_pos = yoff; |
4007 | f->display.x->left_pos = xoff; | |
4008 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
4009 | |
4010 | BLOCK_INPUT; | |
c118dd06 | 4011 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 4012 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 4013 | #ifdef HAVE_X11 |
f676886a | 4014 | x_wm_set_size_hint (f, 0); |
c118dd06 | 4015 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4016 | UNBLOCK_INPUT; |
4017 | } | |
4018 | ||
f676886a | 4019 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 4020 | |
f676886a JB |
4021 | x_set_window_size (f, cols, rows) |
4022 | struct frame *f; | |
b1c884c3 | 4023 | int cols, rows; |
dc6f92b8 JB |
4024 | { |
4025 | int pixelwidth, pixelheight; | |
4026 | int mask; | |
dc6f92b8 JB |
4027 | |
4028 | BLOCK_INPUT; | |
4029 | ||
b1c884c3 | 4030 | check_frame_size (f, &rows, &cols); |
ab648270 JB |
4031 | f->display.x->vertical_scroll_bar_extra = |
4032 | (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
4033 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
f451eb13 JB |
4034 | : 0); |
4035 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
4036 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
4037 | |
4038 | #ifdef HAVE_X11 | |
f676886a | 4039 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
4040 | #endif /* ! defined (HAVE_X11) */ |
4041 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
4042 | |
4043 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4044 | but the window manager will get around to dealing with the size | |
4045 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4046 | ConfigureNotify event gets here. |
4047 | ||
4048 | We could just not bother storing any of this information here, | |
4049 | and let the ConfigureNotify event set everything up, but that | |
4050 | might be kind of confusing to the lisp code, since size changes | |
4051 | wouldn't be reported in the frame parameters until some random | |
4052 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4053 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4054 | PIXEL_WIDTH (f) = pixelwidth; |
4055 | PIXEL_HEIGHT (f) = pixelheight; | |
4056 | ||
dbc4e1c1 JB |
4057 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4058 | receive in the ConfigureNotify event; if we get what we asked | |
4059 | for, then the event won't cause the screen to become garbaged, so | |
4060 | we have to make sure to do it here. */ | |
4061 | SET_FRAME_GARBAGED (f); | |
4062 | ||
dc6f92b8 JB |
4063 | XFlushQueue (); |
4064 | UNBLOCK_INPUT; | |
4065 | } | |
4066 | ||
4067 | #ifndef HAVE_X11 | |
f676886a JB |
4068 | x_set_resize_hint (f) |
4069 | struct frame *f; | |
dc6f92b8 | 4070 | { |
12ba150f JB |
4071 | XSetResizeHint (FRAME_X_WINDOW (f), |
4072 | 2 * f->display.x->internal_border_width, | |
f676886a | 4073 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
4074 | FONT_WIDTH (f->display.x->font), |
4075 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 4076 | } |
c118dd06 | 4077 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4078 | \f |
f451eb13 | 4079 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4080 | |
f676886a JB |
4081 | x_set_mouse_position (f, x, y) |
4082 | struct frame *f; | |
dc6f92b8 JB |
4083 | int x, y; |
4084 | { | |
4085 | int pix_x, pix_y; | |
4086 | ||
f676886a | 4087 | x_raise_frame (f); |
dc6f92b8 | 4088 | |
12ba150f JB |
4089 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
4090 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
4091 | |
4092 | if (pix_x < 0) pix_x = 0; | |
4093 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4094 | ||
4095 | if (pix_y < 0) pix_y = 0; | |
4096 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4097 | |
4098 | BLOCK_INPUT; | |
dc6f92b8 | 4099 | |
c118dd06 | 4100 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
4101 | UNBLOCK_INPUT; |
4102 | } | |
4103 | ||
4104 | #ifdef HAVE_X11 | |
f676886a JB |
4105 | x_focus_on_frame (f) |
4106 | struct frame *f; | |
dc6f92b8 | 4107 | { |
f676886a | 4108 | x_raise_frame (f); |
6d4238f3 JB |
4109 | #if 0 |
4110 | /* I don't think that the ICCCM allows programs to do things like this | |
4111 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4112 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 4113 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 4114 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4115 | #endif /* ! 0 */ |
dc6f92b8 JB |
4116 | } |
4117 | ||
f676886a JB |
4118 | x_unfocus_frame (f) |
4119 | struct frame *f; | |
dc6f92b8 | 4120 | { |
6d4238f3 | 4121 | #if 0 |
f676886a JB |
4122 | /* Look at the remarks in x_focus_on_frame. */ |
4123 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4124 | XSetInputFocus (x_current_display, PointerRoot, |
4125 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4126 | #endif /* ! 0 */ |
dc6f92b8 JB |
4127 | } |
4128 | ||
c118dd06 | 4129 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4130 | |
f676886a | 4131 | /* Raise frame F. */ |
dc6f92b8 | 4132 | |
f676886a JB |
4133 | x_raise_frame (f) |
4134 | struct frame *f; | |
dc6f92b8 | 4135 | { |
3a88c238 | 4136 | if (f->async_visible) |
dc6f92b8 JB |
4137 | { |
4138 | BLOCK_INPUT; | |
c118dd06 | 4139 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4140 | XFlushQueue (); |
4141 | UNBLOCK_INPUT; | |
4142 | } | |
4143 | } | |
4144 | ||
f676886a | 4145 | /* Lower frame F. */ |
dc6f92b8 | 4146 | |
f676886a JB |
4147 | x_lower_frame (f) |
4148 | struct frame *f; | |
dc6f92b8 | 4149 | { |
3a88c238 | 4150 | if (f->async_visible) |
dc6f92b8 JB |
4151 | { |
4152 | BLOCK_INPUT; | |
c118dd06 | 4153 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4154 | XFlushQueue (); |
4155 | UNBLOCK_INPUT; | |
4156 | } | |
4157 | } | |
4158 | ||
dbc4e1c1 JB |
4159 | static void |
4160 | XTframe_raise_lower (f, raise) | |
4161 | FRAME_PTR f; | |
4162 | int raise; | |
4163 | { | |
4164 | if (raise) | |
4165 | x_raise_frame (f); | |
4166 | else | |
4167 | x_lower_frame (f); | |
4168 | } | |
4169 | ||
4170 | ||
dc6f92b8 JB |
4171 | /* Change from withdrawn state to mapped state. */ |
4172 | ||
f676886a JB |
4173 | x_make_frame_visible (f) |
4174 | struct frame *f; | |
dc6f92b8 JB |
4175 | { |
4176 | int mask; | |
4177 | ||
dc6f92b8 | 4178 | BLOCK_INPUT; |
dc6f92b8 | 4179 | |
f676886a | 4180 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
4181 | { |
4182 | #ifdef HAVE_X11 | |
4183 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4184 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 4185 | |
c118dd06 | 4186 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
ab648270 | 4187 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
4188 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4189 | #else /* ! defined (HAVE_X11) */ | |
4190 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4191 | if (f->display.x->icon_desc != 0) |
4192 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4193 | |
90e65f07 | 4194 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4195 | f->async_visible = 1; |
4196 | f->async_iconified = 0; | |
dc6f92b8 | 4197 | |
f676886a | 4198 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4199 | XTcursor_to (0, 0); |
c118dd06 | 4200 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4201 | } |
dc6f92b8 | 4202 | |
dc6f92b8 | 4203 | XFlushQueue (); |
90e65f07 | 4204 | |
dc6f92b8 JB |
4205 | UNBLOCK_INPUT; |
4206 | } | |
4207 | ||
4208 | /* Change from mapped state to withdrawn state. */ | |
4209 | ||
f676886a JB |
4210 | x_make_frame_invisible (f) |
4211 | struct frame *f; | |
dc6f92b8 JB |
4212 | { |
4213 | int mask; | |
4214 | ||
3a88c238 | 4215 | if (! f->async_visible) |
dc6f92b8 JB |
4216 | return; |
4217 | ||
4218 | BLOCK_INPUT; | |
c118dd06 JB |
4219 | |
4220 | #ifdef HAVE_X11R4 | |
4221 | ||
4222 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
4223 | DefaultScreen (x_current_display))) | |
4224 | { | |
4225 | UNBLOCK_INPUT_RESIGNAL; | |
4226 | error ("can't notify window manager of window withdrawl"); | |
4227 | } | |
4228 | ||
4229 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4230 | #ifdef HAVE_X11 |
16bd92ea | 4231 | |
c118dd06 | 4232 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4233 | if (! EQ (Vx_no_window_manager, Qt)) |
4234 | { | |
16bd92ea | 4235 | XEvent unmap; |
dc6f92b8 | 4236 | |
16bd92ea | 4237 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 4238 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4239 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4240 | unmap.xunmap.from_configure = False; | |
4241 | if (! XSendEvent (x_current_display, | |
4242 | DefaultRootWindow (x_current_display), | |
4243 | False, | |
4244 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4245 | &unmap)) | |
4246 | { | |
4247 | UNBLOCK_INPUT_RESIGNAL; | |
4248 | error ("can't notify window manager of withdrawal"); | |
4249 | } | |
dc6f92b8 JB |
4250 | } |
4251 | ||
16bd92ea | 4252 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
4253 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
4254 | ||
4255 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 4256 | |
c118dd06 | 4257 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4258 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4259 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4260 | XUnmapWindow (f->display.x->icon_desc); |
4261 | ||
4262 | #endif /* ! defined (HAVE_X11) */ | |
4263 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4264 | |
4265 | XFlushQueue (); | |
4266 | UNBLOCK_INPUT; | |
4267 | } | |
4268 | ||
dc6f92b8 JB |
4269 | /* Change window state from mapped to iconified. */ |
4270 | ||
f676886a JB |
4271 | x_iconify_frame (f) |
4272 | struct frame *f; | |
dc6f92b8 JB |
4273 | { |
4274 | int mask; | |
4275 | ||
3a88c238 | 4276 | if (f->async_iconified) |
dc6f92b8 JB |
4277 | return; |
4278 | ||
4279 | BLOCK_INPUT; | |
4280 | ||
4281 | #ifdef HAVE_X11 | |
16bd92ea JB |
4282 | /* Since we don't know which revision of X we're running, we'll use both |
4283 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4284 | ||
4285 | /* X11R4: send a ClientMessage to the window manager using the | |
4286 | WM_CHANGE_STATE type. */ | |
4287 | { | |
4288 | XEvent message; | |
4289 | ||
c118dd06 | 4290 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4291 | message.xclient.type = ClientMessage; |
4292 | message.xclient.message_type = Xatom_wm_change_state; | |
4293 | message.xclient.format = 32; | |
4294 | message.xclient.data.l[0] = IconicState; | |
4295 | ||
4296 | if (! XSendEvent (x_current_display, | |
4297 | DefaultRootWindow (x_current_display), | |
4298 | False, | |
4299 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4300 | &message)) | |
dc6f92b8 JB |
4301 | { |
4302 | UNBLOCK_INPUT_RESIGNAL; | |
4303 | error ("Can't notify window manager of iconification."); | |
4304 | } | |
16bd92ea | 4305 | } |
dc6f92b8 | 4306 | |
16bd92ea JB |
4307 | /* X11R3: set the initial_state field of the window manager hints to |
4308 | IconicState. */ | |
4309 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4310 | |
3a88c238 | 4311 | f->async_iconified = 1; |
c118dd06 JB |
4312 | #else /* ! defined (HAVE_X11) */ |
4313 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4314 | |
3a88c238 | 4315 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4316 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4317 | { |
f676886a JB |
4318 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4319 | refreshicon (f); | |
dc6f92b8 | 4320 | } |
c118dd06 | 4321 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4322 | |
4323 | XFlushQueue (); | |
4324 | UNBLOCK_INPUT; | |
4325 | } | |
4326 | ||
c0ff3fab | 4327 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4328 | |
c0ff3fab | 4329 | x_destroy_window (f) |
f676886a | 4330 | struct frame *f; |
dc6f92b8 | 4331 | { |
dc6f92b8 | 4332 | BLOCK_INPUT; |
c0ff3fab JB |
4333 | |
4334 | if (f->display.x->icon_desc != 0) | |
4335 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4336 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
07e34cb0 | 4337 | free_frame_faces (f); |
dc6f92b8 | 4338 | XFlushQueue (); |
dc6f92b8 | 4339 | |
9ac0d9e0 | 4340 | xfree (f->display.x); |
c0ff3fab | 4341 | f->display.x = 0; |
f676886a JB |
4342 | if (f == x_focus_frame) |
4343 | x_focus_frame = 0; | |
4344 | if (f == x_highlight_frame) | |
4345 | x_highlight_frame = 0; | |
c0ff3fab JB |
4346 | |
4347 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4348 | } |
4349 | \f | |
f451eb13 JB |
4350 | /* Manage event queues for X10. */ |
4351 | ||
dc6f92b8 JB |
4352 | #ifndef HAVE_X11 |
4353 | ||
4354 | /* Manage event queues. | |
4355 | ||
4356 | This code is only used by the X10 support. | |
4357 | ||
4358 | We cannot leave events in the X queue and get them when we are ready | |
4359 | because X does not provide a subroutine to get only a certain kind | |
4360 | of event but not block if there are no queued events of that kind. | |
4361 | ||
4362 | Therefore, we must examine events as they come in and copy events | |
4363 | of certain kinds into our private queues. | |
4364 | ||
4365 | All ExposeRegion events are put in x_expose_queue. | |
4366 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4367 | ||
4368 | ||
4369 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4370 | If the queue is full, do nothing, but return nonzero. */ | |
4371 | ||
4372 | int | |
4373 | enqueue_event (p_xrep, queue) | |
4374 | register XEvent *p_xrep; | |
4375 | register struct event_queue *queue; | |
4376 | { | |
4377 | int newindex = queue->windex + 1; | |
4378 | if (newindex == EVENT_BUFFER_SIZE) | |
4379 | newindex = 0; | |
4380 | if (newindex == queue->rindex) | |
4381 | return -1; | |
4382 | queue->xrep[queue->windex] = *p_xrep; | |
4383 | queue->windex = newindex; | |
4384 | return 0; | |
4385 | } | |
4386 | ||
4387 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4388 | If *QUEUE is empty, do nothing and return 0. */ | |
4389 | ||
4390 | int | |
4391 | dequeue_event (p_xrep, queue) | |
4392 | register XEvent *p_xrep; | |
4393 | register struct event_queue *queue; | |
4394 | { | |
4395 | if (queue->windex == queue->rindex) | |
4396 | return 0; | |
4397 | *p_xrep = queue->xrep[queue->rindex++]; | |
4398 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4399 | queue->rindex = 0; | |
4400 | return 1; | |
4401 | } | |
4402 | ||
4403 | /* Return the number of events buffered in *QUEUE. */ | |
4404 | ||
4405 | int | |
4406 | queue_event_count (queue) | |
4407 | register struct event_queue *queue; | |
4408 | { | |
4409 | int tem = queue->windex - queue->rindex; | |
4410 | if (tem >= 0) | |
4411 | return tem; | |
4412 | return EVENT_BUFFER_SIZE + tem; | |
4413 | } | |
4414 | ||
4415 | /* Return nonzero if mouse input is pending. */ | |
4416 | ||
4417 | int | |
4418 | mouse_event_pending_p () | |
4419 | { | |
4420 | return queue_event_count (&x_mouse_queue); | |
4421 | } | |
c118dd06 | 4422 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4423 | \f |
f451eb13 JB |
4424 | /* Setting window manager hints. */ |
4425 | ||
dc6f92b8 JB |
4426 | #ifdef HAVE_X11 |
4427 | ||
f676886a JB |
4428 | x_wm_set_size_hint (f, prompting) |
4429 | struct frame *f; | |
dc6f92b8 JB |
4430 | long prompting; |
4431 | { | |
4432 | XSizeHints size_hints; | |
c118dd06 | 4433 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 JB |
4434 | |
4435 | size_hints.flags = PResizeInc | PMinSize | PMaxSize; | |
4436 | ||
f676886a JB |
4437 | flexlines = f->height; |
4438 | ||
4439 | size_hints.x = f->display.x->left_pos; | |
4440 | size_hints.y = f->display.x->top_pos; | |
4441 | size_hints.height = PIXEL_HEIGHT (f); | |
4442 | size_hints.width = PIXEL_WIDTH (f); | |
4443 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4444 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
12ba150f JB |
4445 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4446 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f451eb13 | 4447 | |
b1c884c3 | 4448 | { |
b0342f17 JB |
4449 | int base_width, base_height; |
4450 | ||
f451eb13 JB |
4451 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4452 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4453 | |
4454 | { | |
4455 | int min_rows = 0, min_cols = 0; | |
4456 | check_frame_size (f, &min_rows, &min_cols); | |
4457 | ||
4458 | /* The window manager uses the base width hints to calculate the | |
4459 | current number of rows and columns in the frame while | |
4460 | resizing; min_width and min_height aren't useful for this | |
4461 | purpose, since they might not give the dimensions for a | |
4462 | zero-row, zero-column frame. | |
4463 | ||
4464 | We use the base_width and base_height members if we have | |
4465 | them; otherwise, we set the min_width and min_height members | |
4466 | to the size for a zero x zero frame. */ | |
4467 | ||
4468 | #ifdef HAVE_X11R4 | |
4469 | size_hints.flags |= PBaseSize; | |
4470 | size_hints.base_width = base_width; | |
4471 | size_hints.base_height = base_height; | |
4472 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4473 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4474 | #else | |
4475 | size_hints.min_width = base_width; | |
4476 | size_hints.min_height = base_height; | |
4477 | #endif | |
4478 | } | |
b1c884c3 | 4479 | |
b1c884c3 | 4480 | } |
dc6f92b8 JB |
4481 | |
4482 | if (prompting) | |
4483 | size_hints.flags |= prompting; | |
4484 | else | |
4485 | { | |
4486 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4487 | ||
4488 | XGetNormalHints (x_current_display, window, &hints); | |
4489 | if (hints.flags & PSize) | |
4490 | size_hints.flags |= PSize; | |
4491 | if (hints.flags & PPosition) | |
4492 | size_hints.flags |= PPosition; | |
4493 | if (hints.flags & USPosition) | |
4494 | size_hints.flags |= USPosition; | |
4495 | if (hints.flags & USSize) | |
4496 | size_hints.flags |= USSize; | |
4497 | } | |
16bd92ea | 4498 | |
b0342f17 JB |
4499 | #ifdef HAVE_X11R4 |
4500 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4501 | #else | |
dc6f92b8 | 4502 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4503 | #endif |
dc6f92b8 JB |
4504 | } |
4505 | ||
4506 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4507 | x_wm_set_window_state (f, state) |
4508 | struct frame *f; | |
dc6f92b8 JB |
4509 | int state; |
4510 | { | |
c118dd06 | 4511 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4512 | |
16bd92ea JB |
4513 | f->display.x->wm_hints.flags |= StateHint; |
4514 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4515 | |
16bd92ea | 4516 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4517 | } |
4518 | ||
f676886a JB |
4519 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4520 | struct frame *f; | |
dc6f92b8 JB |
4521 | Pixmap icon_pixmap; |
4522 | { | |
c118dd06 | 4523 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4524 | |
dbc4e1c1 JB |
4525 | if (icon_pixmap) |
4526 | { | |
4527 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
4528 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
4529 | } | |
4530 | else | |
4531 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 4532 | |
16bd92ea | 4533 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4534 | } |
4535 | ||
f676886a JB |
4536 | x_wm_set_icon_position (f, icon_x, icon_y) |
4537 | struct frame *f; | |
dc6f92b8 JB |
4538 | int icon_x, icon_y; |
4539 | { | |
c118dd06 | 4540 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4541 | |
16bd92ea JB |
4542 | f->display.x->wm_hints.flags |= IconPositionHint; |
4543 | f->display.x->wm_hints.icon_x = icon_x; | |
4544 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4545 | |
16bd92ea | 4546 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4547 | } |
4548 | ||
4549 | \f | |
f451eb13 JB |
4550 | /* Initialization. */ |
4551 | ||
dc6f92b8 JB |
4552 | void |
4553 | x_term_init (display_name) | |
4554 | char *display_name; | |
4555 | { | |
f676886a | 4556 | Lisp_Object frame; |
dc6f92b8 JB |
4557 | char *defaultvalue; |
4558 | #ifdef F_SETOWN | |
4559 | extern int old_fcntl_owner; | |
c118dd06 | 4560 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4561 | |
f676886a | 4562 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4563 | |
4564 | x_current_display = XOpenDisplay (display_name); | |
4565 | if (x_current_display == 0) | |
4566 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4567 | display_name); | |
4568 | ||
4569 | #ifdef HAVE_X11 | |
4570 | { | |
16bd92ea | 4571 | int hostname_size = 256; |
60fb3ee1 JB |
4572 | |
4573 | hostname = (char *) xmalloc (hostname_size); | |
4574 | ||
dc6f92b8 JB |
4575 | #if 0 |
4576 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4577 | #endif /* ! 0 */ |
dc6f92b8 | 4578 | |
60fb3ee1 JB |
4579 | /* Try to get the host name; if the buffer is too short, try |
4580 | again. Apparently, the only indication gethostname gives of | |
4581 | whether the buffer was large enough is the presence or absence | |
4582 | of a '\0' in the string. Eech. */ | |
4583 | for (;;) | |
4584 | { | |
4585 | gethostname (hostname, hostname_size - 1); | |
4586 | hostname[hostname_size - 1] = '\0'; | |
4587 | ||
4588 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4589 | if (strlen (hostname) < hostname_size - 1) | |
4590 | break; | |
4591 | ||
4592 | hostname_size <<= 1; | |
4593 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4594 | } | |
59653951 | 4595 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
4596 | + strlen (hostname) |
4597 | + 2); | |
59653951 | 4598 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 4599 | } |
28430d3c JB |
4600 | |
4601 | /* Figure out which modifier bits mean what. */ | |
4602 | x_find_modifier_meanings (); | |
f451eb13 | 4603 | |
ab648270 | 4604 | /* Get the scroll bar cursor. */ |
d56a553a RS |
4605 | x_vertical_scroll_bar_cursor |
4606 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 4607 | |
d56a553a | 4608 | #if 0 |
28430d3c JB |
4609 | /* Watch for PropertyNotify events on the root window; we use them |
4610 | to figure out when to invalidate our cache of the cut buffers. */ | |
4611 | x_watch_cut_buffer_cache (); | |
d56a553a | 4612 | #endif |
28430d3c | 4613 | |
a4fc7360 JB |
4614 | if (ConnectionNumber (x_current_display) != 0) |
4615 | { | |
4616 | dup2 (ConnectionNumber (x_current_display), 0); | |
6d4238f3 JB |
4617 | |
4618 | #ifndef SYSV_STREAMS | |
a4fc7360 JB |
4619 | /* Streams somehow keeps track of which descriptor number |
4620 | is being used to talk to X. So it is not safe to substitute | |
4621 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
4622 | close (ConnectionNumber (x_current_display)); | |
4623 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? | |
6d4238f3 JB |
4624 | * check the def of the macro; |
4625 | * it is a genuine lvalue */ | |
c118dd06 | 4626 | #endif /* SYSV_STREAMS */ |
a4fc7360 | 4627 | } |
6d4238f3 | 4628 | |
c118dd06 | 4629 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4630 | |
4631 | #ifdef F_SETOWN | |
4632 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4633 | #ifdef F_SETOWN_SOCK_NEG | |
4634 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4635 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4636 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4637 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4638 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4639 | |
4640 | #ifdef SIGIO | |
4641 | init_sigio (); | |
c118dd06 | 4642 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4643 | |
4644 | /* Must use interrupt input because we cannot otherwise | |
4645 | arrange for C-g to be noticed immediately. | |
4646 | We cannot connect it to SIGINT. */ | |
4647 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4648 | ||
4649 | expose_all_windows = 0; | |
4650 | ||
f676886a | 4651 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4652 | clear_end_of_line_hook = XTclear_end_of_line; |
4653 | ins_del_lines_hook = XTins_del_lines; | |
4654 | change_line_highlight_hook = XTchange_line_highlight; | |
4655 | insert_glyphs_hook = XTinsert_glyphs; | |
4656 | write_glyphs_hook = XTwrite_glyphs; | |
4657 | delete_glyphs_hook = XTdelete_glyphs; | |
4658 | ring_bell_hook = XTring_bell; | |
4659 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4660 | set_terminal_modes_hook = XTset_terminal_modes; | |
4661 | update_begin_hook = XTupdate_begin; | |
4662 | update_end_hook = XTupdate_end; | |
4663 | set_terminal_window_hook = XTset_terminal_window; | |
4664 | read_socket_hook = XTread_socket; | |
4665 | cursor_to_hook = XTcursor_to; | |
4666 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4667 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4668 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 4669 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
4670 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
4671 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
4672 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
4673 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 4674 | |
f676886a | 4675 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4676 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4677 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4678 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4679 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4680 | off the bottom */ |
4681 | baud_rate = 19200; | |
4682 | ||
c118dd06 JB |
4683 | /* Note that there is no real way portable across R3/R4 to get the |
4684 | original error handler. */ | |
4685 | XHandleError (x_error_quitter); | |
8922af5f | 4686 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
4687 | |
4688 | /* Disable Window Change signals; they are handled by X events. */ | |
4689 | #ifdef SIGWINCH | |
4690 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4691 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4692 | |
c118dd06 | 4693 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4694 | } |
55123275 JB |
4695 | |
4696 | void | |
4697 | syms_of_xterm () | |
4698 | { | |
ab648270 | 4699 | staticpro (&last_mouse_scroll_bar); |
55123275 | 4700 | } |
c118dd06 JB |
4701 | #endif /* ! defined (HAVE_X11) */ |
4702 | #endif /* ! defined (HAVE_X_WINDOWS) */ |