Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
5116f055 | 2 | Copyright (C) 1989, 1993 Free Software Foundation, Inc. |
dc6f92b8 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
4746118a | 8 | the Free Software Foundation; either version 2, or (at your option) |
dc6f92b8 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | /* Serious problems: | |
21 | ||
22 | Kludge: dup2 is used to put the X-connection socket into desc # 0 | |
23 | so that wait_reading_process_input will wait for it in place of | |
24 | actual terminal input. | |
25 | ||
26 | */ | |
27 | ||
d56a553a RS |
28 | #define NEW_SELECTIONS |
29 | ||
039440c4 RS |
30 | /* On 4.3 these lose if they come after xterm.h. */ |
31 | /* On HP-UX 8.0 signal.h loses if it comes after config.h. */ | |
32 | /* Putting these at the beginning seems to be standard for other .c files. */ | |
33 | #include <stdio.h> | |
34 | #include <signal.h> | |
35 | ||
18160b98 | 36 | #include <config.h> |
dc6f92b8 JB |
37 | |
38 | #ifdef HAVE_X_WINDOWS | |
39 | ||
40 | #include "lisp.h" | |
9ac0d9e0 | 41 | #include "blockinput.h" |
dc6f92b8 | 42 | |
dc6f92b8 JB |
43 | /* This may include sys/types.h, and that somehow loses |
44 | if this is not done before the other system files. */ | |
45 | #include "xterm.h" | |
f451eb13 | 46 | #include <X11/cursorfont.h> |
dc6f92b8 | 47 | |
16bd92ea | 48 | #ifndef USG |
dc6f92b8 JB |
49 | /* Load sys/types.h if not already loaded. |
50 | In some systems loading it twice is suicidal. */ | |
51 | #ifndef makedev | |
52 | #include <sys/types.h> | |
c118dd06 JB |
53 | #endif /* makedev */ |
54 | #endif /* USG */ | |
dc6f92b8 JB |
55 | |
56 | #ifdef BSD | |
57 | #include <sys/ioctl.h> | |
58 | #include <strings.h> | |
c118dd06 | 59 | #else /* ! defined (BSD) */ |
febf25d5 | 60 | #ifndef VMS |
dc6f92b8 | 61 | #include <string.h> |
febf25d5 | 62 | #endif |
c118dd06 | 63 | #endif /* ! defined (BSD) */ |
dc6f92b8 | 64 | |
2d368234 | 65 | #include "systty.h" |
3a2712f9 | 66 | #include "systime.h" |
dc6f92b8 JB |
67 | |
68 | #include <fcntl.h> | |
dc6f92b8 JB |
69 | #include <ctype.h> |
70 | #include <errno.h> | |
71 | #include <setjmp.h> | |
72 | #include <sys/stat.h> | |
73 | #include <sys/param.h> | |
74 | ||
75 | #include "dispextern.h" | |
76 | #include "termhooks.h" | |
77 | #include "termopts.h" | |
78 | #include "termchar.h" | |
79 | #if 0 | |
80 | #include "sink.h" | |
81 | #include "sinkmask.h" | |
c118dd06 | 82 | #endif /* ! 0 */ |
dc6f92b8 | 83 | #include "gnu.h" |
f676886a | 84 | #include "frame.h" |
dc6f92b8 | 85 | #include "disptab.h" |
dc6f92b8 | 86 | #include "buffer.h" |
f451eb13 | 87 | #include "window.h" |
dc6f92b8 JB |
88 | |
89 | #ifdef HAVE_X11 | |
90 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 91 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
92 | #include <X/Xkeyboard.h> |
93 | /*#include <X/Xproto.h> */ | |
c118dd06 | 94 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 95 | |
c34efc6c JB |
96 | #ifdef FD_SET |
97 | /* We could get this from param.h, but better not to depend on finding that. | |
98 | And better not to risk that it might define other symbols used in this | |
99 | file. */ | |
100 | #ifdef FD_SETSIZE | |
101 | #define MAXDESC FD_SETSIZE | |
102 | #else | |
103 | #define MAXDESC 64 | |
104 | #endif | |
105 | #define SELECT_TYPE fd_set | |
106 | #else /* no FD_SET */ | |
107 | #define MAXDESC 32 | |
108 | #define SELECT_TYPE int | |
109 | ||
110 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
111 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
112 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
113 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
114 | #define FD_ZERO(p) (*(p) = 0) | |
115 | #endif /* no FD_SET */ | |
116 | ||
dc6f92b8 JB |
117 | /* For sending Meta-characters. Do we need this? */ |
118 | #define METABIT 0200 | |
119 | ||
120 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
121 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
122 | ||
123 | /* Nonzero means we must reprint all windows | |
124 | because 1) we received an ExposeWindow event | |
f451eb13 | 125 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 126 | |
f451eb13 | 127 | This is never needed under X11. */ |
dc6f92b8 JB |
128 | static int expose_all_windows; |
129 | ||
130 | /* Nonzero means we must reprint all icon windows. */ | |
131 | ||
132 | static int expose_all_icons; | |
133 | ||
134 | #ifndef HAVE_X11 | |
135 | /* ExposeRegion events, when received, are copied into this queue | |
136 | for later processing. */ | |
137 | ||
138 | static struct event_queue x_expose_queue; | |
139 | ||
140 | /* ButtonPressed and ButtonReleased events, when received, | |
141 | are copied into this queue for later processing. */ | |
142 | ||
143 | struct event_queue x_mouse_queue; | |
c118dd06 | 144 | #endif /* HAVE_X11 */ |
dc6f92b8 | 145 | |
dc6f92b8 JB |
146 | #if defined (SIGIO) && defined (FIONREAD) |
147 | int BLOCK_INPUT_mask; | |
c118dd06 | 148 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 149 | |
dc6f92b8 JB |
150 | /* The id of a bitmap used for icon windows. |
151 | One such map is shared by all Emacs icon windows. | |
152 | This is zero if we have not yet had a need to create the bitmap. */ | |
153 | ||
154 | static Bitmap icon_bitmap; | |
155 | ||
156 | /* Font used for text icons. */ | |
157 | ||
158 | static FONT_TYPE *icon_font_info; | |
159 | ||
160 | /* Stuff for dealing with the main icon title. */ | |
161 | ||
162 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 163 | char *hostname, *x_id_name; |
dc6f92b8 JB |
164 | |
165 | /* This is the X connection that we are using. */ | |
166 | ||
167 | Display *x_current_display; | |
168 | ||
ab648270 JB |
169 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
170 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 171 | |
987d2ad1 | 172 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 173 | This is set by update_begin and looked at by all the |
dc6f92b8 | 174 | XT functions. It is zero while not inside an update. |
f676886a JB |
175 | In that case, the XT functions assume that `selected_frame' |
176 | is the frame to apply to. */ | |
d0386f2a | 177 | extern struct frame *updating_frame; |
dc6f92b8 | 178 | |
f676886a | 179 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
180 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
181 | that a mere EnterNotify event can set this; if you need to know the | |
182 | last frame specified in a FocusIn or FocusOut event, use | |
183 | x_focus_event_frame. */ | |
f676886a | 184 | struct frame *x_focus_frame; |
dc6f92b8 | 185 | |
f451eb13 JB |
186 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
187 | separate from x_focus_frame, because whether or not LeaveNotify | |
188 | events cause us to lose focus depends on whether or not we have | |
189 | received a FocusIn event for it. */ | |
190 | struct frame *x_focus_event_frame; | |
191 | ||
f676886a JB |
192 | /* The frame which currently has the visual highlight, and should get |
193 | keyboard input (other sorts of input have the frame encoded in the | |
194 | event). It points to the X focus frame's selected window's | |
195 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 196 | minibuffer. */ |
f676886a | 197 | static struct frame *x_highlight_frame; |
6d4238f3 | 198 | |
dc6f92b8 | 199 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 200 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
201 | |
202 | static int warp_mouse_on_deiconify; | |
203 | ||
204 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
205 | ||
206 | static int flexlines; | |
207 | ||
208 | /* During an update, nonzero if chars output now should be highlighted. */ | |
209 | ||
210 | static int highlight; | |
211 | ||
212 | /* Nominal cursor position -- where to draw output. | |
213 | During an update, these are different from the cursor-box position. */ | |
214 | ||
215 | static int curs_x; | |
216 | static int curs_y; | |
217 | ||
218 | #ifdef HAVE_X11 | |
219 | /* `t' if a mouse button is depressed. */ | |
220 | ||
221 | extern Lisp_Object Vmouse_depressed; | |
222 | ||
223 | /* Tells if a window manager is present or not. */ | |
224 | ||
225 | extern Lisp_Object Vx_no_window_manager; | |
226 | ||
227 | /* Timestamp that we requested selection data was made. */ | |
228 | extern Time requestor_time; | |
229 | ||
230 | /* ID of the window requesting selection data. */ | |
231 | extern Window requestor_window; | |
232 | ||
233 | /* Nonzero enables some debugging for the X interface code. */ | |
234 | extern int _Xdebug; | |
235 | ||
c118dd06 | 236 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
237 | |
238 | /* Bit patterns for the mouse cursor. */ | |
239 | ||
240 | short MouseCursor[] = { | |
241 | 0x0000, 0x0008, 0x0018, 0x0038, | |
242 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
243 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
244 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
245 | ||
246 | short MouseMask[] = { | |
247 | 0x000c, 0x001c, 0x003c, 0x007c, | |
248 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
249 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
250 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
251 | ||
252 | static short grey_bits[] = { | |
253 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
254 | ||
255 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 256 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
257 | |
258 | /* From time to time we get info on an Emacs window, here. */ | |
259 | ||
260 | static WINDOWINFO_TYPE windowinfo; | |
261 | ||
262 | extern int errno; | |
263 | ||
dfeccd2d | 264 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
265 | extern int extra_keyboard_modifiers; |
266 | ||
dc6f92b8 JB |
267 | extern Display *XOpenDisplay (); |
268 | extern Window XCreateWindow (); | |
269 | ||
270 | extern Cursor XCreateCursor (); | |
271 | extern FONT_TYPE *XOpenFont (); | |
272 | ||
273 | static void flashback (); | |
c83febd7 | 274 | static void redraw_previous_char (); |
dc6f92b8 JB |
275 | |
276 | #ifndef HAVE_X11 | |
277 | static void dumpqueue (); | |
c118dd06 | 278 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
279 | |
280 | void dumpborder (); | |
4746118a JB |
281 | static int XTcursor_to (); |
282 | static int XTclear_end_of_line (); | |
16bd92ea JB |
283 | |
284 | \f | |
f451eb13 JB |
285 | /* Starting and ending updates. |
286 | ||
287 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
288 | of a frame update. We record in `updating_frame' the identity |
289 | of the frame being updated, so that the XT... functions do not | |
290 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 291 | should never be called except during an update, the only exceptions |
c83febd7 | 292 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 JB |
293 | |
294 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
295 | ||
296 | static | |
f676886a JB |
297 | XTupdate_begin (f) |
298 | struct frame *f; | |
dc6f92b8 JB |
299 | { |
300 | int mask; | |
301 | ||
f676886a | 302 | if (f == 0) |
dc6f92b8 JB |
303 | abort (); |
304 | ||
f676886a | 305 | flexlines = f->height; |
dc6f92b8 JB |
306 | highlight = 0; |
307 | ||
dc6f92b8 JB |
308 | BLOCK_INPUT; |
309 | #ifndef HAVE_X11 | |
310 | dumpqueue (); | |
c118dd06 | 311 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
312 | UNBLOCK_INPUT; |
313 | } | |
314 | ||
f451eb13 | 315 | #ifndef HAVE_X11 |
dc6f92b8 | 316 | static void x_do_pending_expose (); |
f451eb13 | 317 | #endif |
dc6f92b8 JB |
318 | |
319 | static | |
f676886a JB |
320 | XTupdate_end (f) |
321 | struct frame *f; | |
dc6f92b8 JB |
322 | { |
323 | int mask; | |
324 | ||
f676886a JB |
325 | if (updating_frame == 0 |
326 | || updating_frame != f) | |
dc6f92b8 JB |
327 | abort (); |
328 | ||
329 | BLOCK_INPUT; | |
330 | #ifndef HAVE_X11 | |
331 | dumpqueue (); | |
dc6f92b8 | 332 | x_do_pending_expose (); |
f451eb13 | 333 | #endif /* HAVE_X11 */ |
dc6f92b8 | 334 | |
f676886a | 335 | x_display_cursor (f, 1); |
dc6f92b8 | 336 | |
dc6f92b8 JB |
337 | XFlushQueue (); |
338 | UNBLOCK_INPUT; | |
339 | } | |
340 | \f | |
341 | /* External interface to control of standout mode. | |
342 | Call this when about to modify line at position VPOS | |
343 | and not change whether it is highlighted. */ | |
344 | ||
345 | XTreassert_line_highlight (new, vpos) | |
346 | int new, vpos; | |
347 | { | |
348 | highlight = new; | |
349 | } | |
350 | ||
351 | /* Call this when about to modify line at position VPOS | |
352 | and change whether it is highlighted. */ | |
353 | ||
354 | static | |
355 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
356 | int new_highlight, vpos, first_unused_hpos; | |
357 | { | |
358 | highlight = new_highlight; | |
359 | XTcursor_to (vpos, 0); | |
f676886a | 360 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
361 | } |
362 | ||
363 | /* This is used when starting Emacs and when restarting after suspend. | |
364 | When starting Emacs, no X window is mapped. And nothing must be done | |
365 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
366 | ||
367 | static | |
368 | XTset_terminal_modes () | |
369 | { | |
370 | } | |
371 | ||
372 | /* This is called when exiting or suspending Emacs. | |
373 | Exiting will make the X-windows go away, and suspending | |
374 | requires no action. */ | |
375 | ||
376 | static | |
377 | XTreset_terminal_modes () | |
378 | { | |
f676886a | 379 | /* XTclear_frame (); */ |
dc6f92b8 JB |
380 | } |
381 | \f | |
f451eb13 JB |
382 | /* Set the nominal cursor position of the frame. |
383 | This is where display update commands will take effect. | |
dc6f92b8 JB |
384 | This does not affect the place where the cursor-box is displayed. */ |
385 | ||
4746118a | 386 | static int |
dc6f92b8 JB |
387 | XTcursor_to (row, col) |
388 | register int row, col; | |
389 | { | |
390 | int mask; | |
391 | int orow = row; | |
392 | ||
393 | curs_x = col; | |
394 | curs_y = row; | |
395 | ||
f676886a | 396 | if (updating_frame == 0) |
dc6f92b8 JB |
397 | { |
398 | BLOCK_INPUT; | |
f676886a | 399 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
400 | XFlushQueue (); |
401 | UNBLOCK_INPUT; | |
402 | } | |
403 | } | |
404 | \f | |
405 | /* Display a sequence of N glyphs found at GP. | |
406 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
407 | HL is 1 if this text is highlighted, 2 if the cursor is on it. | |
408 | ||
07e34cb0 | 409 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 410 | |
07e34cb0 JB |
411 | Since the display generation code is responsible for calling |
412 | compute_char_face and compute_glyph_face on everything it puts in | |
413 | the display structure, we can assume that the face code on each | |
28f72798 JB |
414 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
415 | to which we can actually apply intern_face. */ | |
dc6f92b8 | 416 | |
07e34cb0 JB |
417 | #if 1 |
418 | /* This is the multi-face code. */ | |
dc6f92b8 | 419 | |
dc6f92b8 | 420 | static void |
07e34cb0 | 421 | dumpglyphs (f, left, top, gp, n, hl) |
f676886a | 422 | struct frame *f; |
dc6f92b8 JB |
423 | int left, top; |
424 | register GLYPH *gp; /* Points to first GLYPH. */ | |
425 | register int n; /* Number of glyphs to display. */ | |
426 | int hl; | |
dc6f92b8 | 427 | { |
07e34cb0 JB |
428 | /* Holds characters to be displayed. */ |
429 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
430 | register char *cp; /* Steps through buf[]. */ |
431 | register int tlen = GLYPH_TABLE_LENGTH; | |
432 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 433 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 434 | |
07e34cb0 | 435 | while (n > 0) |
dc6f92b8 JB |
436 | { |
437 | /* Get the face-code of the next GLYPH. */ | |
438 | int cf, len; | |
439 | int g = *gp; | |
440 | ||
07e34cb0 JB |
441 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
442 | cf = GLYPH_FACE (g); | |
dc6f92b8 JB |
443 | |
444 | /* Find the run of consecutive glyphs with the same face-code. | |
445 | Extract their character codes into BUF. */ | |
446 | cp = buf; | |
447 | while (n > 0) | |
448 | { | |
449 | g = *gp; | |
07e34cb0 JB |
450 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
451 | if (GLYPH_FACE (g) != cf) | |
dc6f92b8 JB |
452 | break; |
453 | ||
07e34cb0 | 454 | *cp++ = GLYPH_CHAR (g); |
dc6f92b8 JB |
455 | --n; |
456 | ++gp; | |
457 | } | |
458 | ||
459 | /* LEN gets the length of the run. */ | |
460 | len = cp - buf; | |
461 | ||
462 | /* Now output this run of chars, with the font and pixel values | |
463 | determined by the face code CF. */ | |
07e34cb0 JB |
464 | { |
465 | struct face *face = FRAME_DEFAULT_FACE (f); | |
466 | FONT_TYPE *font = FACE_FONT (face); | |
467 | GC gc = FACE_GC (face); | |
b73b6aaf RS |
468 | int defaulted = 1; |
469 | int gc_temporary = 0; | |
07e34cb0 | 470 | |
b73b6aaf RS |
471 | /* First look at the face of the text itself. */ |
472 | if (cf != 0) | |
07e34cb0 JB |
473 | { |
474 | /* The face codes on the glyphs must be valid indices into the | |
475 | frame's face table. */ | |
28f72798 JB |
476 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
477 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
07e34cb0 JB |
478 | abort (); |
479 | ||
480 | if (cf == 1) | |
481 | face = FRAME_MODE_LINE_FACE (f); | |
482 | else | |
28f72798 | 483 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
484 | font = FACE_FONT (face); |
485 | gc = FACE_GC (face); | |
b73b6aaf | 486 | defaulted = 0; |
07e34cb0 | 487 | } |
4a4dc352 JB |
488 | |
489 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
490 | else if (hl == 0) |
491 | ; | |
492 | else if (hl == 1) | |
493 | { | |
494 | face = FRAME_MODE_LINE_FACE (f); | |
495 | font = FACE_FONT (face); | |
496 | gc = FACE_GC (face); | |
b73b6aaf RS |
497 | defaulted = 0; |
498 | } | |
499 | ||
500 | #define FACE_DEFAULT (~0) | |
501 | ||
502 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 503 | if (hl == 2) |
b73b6aaf | 504 | { |
b5cf7a0e JB |
505 | if (defaulted |
506 | || !face->font | |
507 | || (int) face->font == FACE_DEFAULT) | |
508 | { | |
509 | gc = f->display.x->cursor_gc; | |
510 | } | |
511 | /* Cursor on non-default face: must merge. */ | |
512 | else | |
513 | { | |
514 | XGCValues xgcv; | |
515 | unsigned long mask; | |
516 | ||
517 | xgcv.background = f->display.x->cursor_pixel; | |
518 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
519 | xgcv.font = face->font->fid; | |
520 | xgcv.graphics_exposures = 0; | |
521 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
522 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
523 | mask, &xgcv); | |
b73b6aaf | 524 | #if 0 |
b5cf7a0e JB |
525 | if (face->stipple && face->stipple != FACE_DEFAULT) |
526 | XSetStipple (x_current_display, gc, face->stipple); | |
b73b6aaf | 527 | #endif |
b5cf7a0e JB |
528 | gc_temporary = 1; |
529 | } | |
07e34cb0 | 530 | } |
07e34cb0 | 531 | |
b5cf7a0e JB |
532 | if ((int) font == FACE_DEFAULT) |
533 | font = f->display.x->font; | |
534 | ||
07e34cb0 JB |
535 | XDrawImageString (x_current_display, window, gc, |
536 | left, top + FONT_BASE (font), buf, len); | |
07e34cb0 | 537 | |
b73b6aaf RS |
538 | if (gc_temporary) |
539 | XFreeGC (x_current_display, gc); | |
540 | ||
07e34cb0 JB |
541 | /* We should probably check for XA_UNDERLINE_POSITION and |
542 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
543 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 544 | { |
4a4dc352 | 545 | int underline_position = 1; |
07e34cb0 | 546 | |
4a4dc352 JB |
547 | if (font->descent <= underline_position) |
548 | underline_position = font->descent - 1; | |
07e34cb0 JB |
549 | |
550 | if (face->underline) | |
551 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
552 | FACE_GC (face), | |
553 | left, (top | |
554 | + FONT_BASE (font) | |
555 | + underline_position), | |
556 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 557 | } |
07e34cb0 JB |
558 | |
559 | left += len * FONT_WIDTH (font); | |
560 | } | |
dc6f92b8 JB |
561 | } |
562 | } | |
07e34cb0 JB |
563 | #endif /* 1 */ |
564 | ||
565 | #if 0 | |
566 | /* This is the old single-face code. */ | |
567 | ||
568 | static void | |
569 | dumpglyphs (f, left, top, gp, n, hl, font) | |
570 | struct frame *f; | |
571 | int left, top; | |
572 | register GLYPH *gp; /* Points to first GLYPH. */ | |
573 | register int n; /* Number of glyphs to display. */ | |
574 | int hl; | |
575 | FONT_TYPE *font; | |
576 | { | |
577 | register int len; | |
578 | Window window = FRAME_X_WINDOW (f); | |
579 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
580 | : (hl ? f->display.x->reverse_gc | |
581 | : f->display.x->normal_gc)); | |
582 | ||
583 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
584 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
585 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
586 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
587 | XDrawImageString (x_current_display, window, drawing_gc, | |
588 | left, top + FONT_BASE (font), (char *) gp, n); | |
589 | else | |
590 | /* What size of glyph ARE you using? And does X have a function to | |
591 | draw them? */ | |
592 | abort (); | |
593 | } | |
594 | #endif | |
dc6f92b8 | 595 | \f |
f451eb13 JB |
596 | /* Output some text at the nominal frame cursor position. |
597 | Advance the cursor over the text. | |
dc6f92b8 JB |
598 | Output LEN glyphs at START. |
599 | ||
600 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
601 | controls the pixel values used for foreground and background. */ | |
602 | ||
603 | static | |
604 | XTwrite_glyphs (start, len) | |
605 | register GLYPH *start; | |
606 | int len; | |
607 | { | |
608 | register int temp_length; | |
609 | int mask; | |
f676886a | 610 | struct frame *f; |
dc6f92b8 JB |
611 | |
612 | BLOCK_INPUT; | |
613 | ||
f676886a JB |
614 | f = updating_frame; |
615 | if (f == 0) | |
dc6f92b8 | 616 | { |
f676886a | 617 | f = selected_frame; |
dc6f92b8 | 618 | /* If not within an update, |
f676886a JB |
619 | output at the frame's visible cursor. */ |
620 | curs_x = f->cursor_x; | |
621 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
622 | } |
623 | ||
f676886a | 624 | dumpglyphs (f, |
12ba150f JB |
625 | CHAR_TO_PIXEL_COL (f, curs_x), |
626 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
07e34cb0 | 627 | start, len, highlight); |
90e65f07 JB |
628 | |
629 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
630 | if (curs_y == f->phys_cursor_y |
631 | && curs_x <= f->phys_cursor_x | |
632 | && curs_x + len > f->phys_cursor_x) | |
633 | f->phys_cursor_x = -1; | |
dc6f92b8 | 634 | |
f676886a | 635 | if (updating_frame == 0) |
dc6f92b8 | 636 | { |
f676886a JB |
637 | f->cursor_x += len; |
638 | x_display_cursor (f, 1); | |
639 | f->cursor_x -= len; | |
dc6f92b8 JB |
640 | } |
641 | else | |
642 | curs_x += len; | |
643 | ||
644 | UNBLOCK_INPUT; | |
645 | } | |
646 | \f | |
f451eb13 JB |
647 | /* Clear to the end of the line. |
648 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
649 | to column FIRST_UNUSED (exclusive). The idea is that everything |
650 | from FIRST_UNUSED onward is already erased. */ | |
651 | ||
4746118a | 652 | static int |
dc6f92b8 JB |
653 | XTclear_end_of_line (first_unused) |
654 | register int first_unused; | |
655 | { | |
f676886a | 656 | struct frame *f = updating_frame; |
dc6f92b8 JB |
657 | int mask; |
658 | ||
f676886a | 659 | if (f == 0) |
dc6f92b8 JB |
660 | abort (); |
661 | ||
f676886a | 662 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
663 | return; |
664 | if (first_unused <= 0) | |
665 | return; | |
666 | ||
f676886a JB |
667 | if (first_unused >= f->width) |
668 | first_unused = f->width; | |
dc6f92b8 JB |
669 | |
670 | BLOCK_INPUT; | |
671 | ||
90e65f07 | 672 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
673 | if (curs_y == f->phys_cursor_y |
674 | && curs_x <= f->phys_cursor_x | |
675 | && f->phys_cursor_x < first_unused) | |
676 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
677 | |
678 | #ifdef HAVE_X11 | |
c118dd06 | 679 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
680 | CHAR_TO_PIXEL_COL (f, curs_x), |
681 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
682 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
683 | FONT_HEIGHT (f->display.x->font), False); | |
c83febd7 RS |
684 | #if 0 |
685 | redraw_previous_char (f, curs_x, curs_y); | |
686 | #endif | |
c118dd06 JB |
687 | #else /* ! defined (HAVE_X11) */ |
688 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
689 | CHAR_TO_PIXEL_COL (f, curs_x), |
690 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
691 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
692 | FONT_HEIGHT (f->display.x->font), | |
693 | f->display.x->background_pixel); | |
c118dd06 | 694 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
695 | |
696 | UNBLOCK_INPUT; | |
697 | } | |
698 | ||
c83febd7 RS |
699 | /* Erase the character (if any) at the position just before X, Y in frame F, |
700 | then redraw it and the character before it. | |
701 | This is necessary when we erase starting at X, | |
702 | in case the character after X overlaps into the one before X. */ | |
703 | ||
704 | static void | |
705 | redraw_previous_char (f, x, y) | |
706 | FRAME_PTR f; | |
707 | int x, y; | |
708 | { | |
709 | /* Erase the character before the new ones, in case | |
710 | what was here before overlaps it. | |
711 | Reoutput that character, and the previous character | |
712 | (in case the previous character overlaps it). */ | |
713 | if (x > 0) | |
714 | { | |
715 | int start_x = x - 2; | |
716 | if (start_x < 0) | |
717 | start_x = 0; | |
718 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
719 | CHAR_TO_PIXEL_COL (f, x - 1), | |
720 | CHAR_TO_PIXEL_ROW (f, y), | |
721 | FONT_WIDTH (f->display.x->font), | |
722 | FONT_HEIGHT (f->display.x->font), False); | |
723 | ||
724 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
725 | CHAR_TO_PIXEL_ROW (f, y), | |
726 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
727 | x - start_x, highlight); | |
728 | } | |
729 | } | |
730 | ||
dc6f92b8 | 731 | static |
f676886a | 732 | XTclear_frame () |
dc6f92b8 JB |
733 | { |
734 | int mask; | |
f676886a | 735 | struct frame *f = updating_frame; |
dc6f92b8 | 736 | |
f676886a JB |
737 | if (f == 0) |
738 | f = selected_frame; | |
dc6f92b8 | 739 | |
f676886a | 740 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
741 | curs_x = 0; /* Nominal cursor position is top left. */ |
742 | curs_y = 0; | |
743 | ||
744 | BLOCK_INPUT; | |
dbc4e1c1 | 745 | |
c118dd06 | 746 | XClear (FRAME_X_WINDOW (f)); |
dbc4e1c1 | 747 | |
ab648270 | 748 | /* We have to clear the scroll bars, too. If we have changed |
dbc4e1c1 | 749 | colors or something like that, then they should be notified. */ |
ab648270 | 750 | x_scroll_bar_clear (f); |
dbc4e1c1 | 751 | |
dc6f92b8 | 752 | #ifndef HAVE_X11 |
f676886a | 753 | dumpborder (f, 0); |
c118dd06 | 754 | #endif /* HAVE_X11 */ |
dbc4e1c1 | 755 | |
dc6f92b8 JB |
756 | XFlushQueue (); |
757 | UNBLOCK_INPUT; | |
758 | } | |
759 | \f | |
dbc4e1c1 JB |
760 | /* Invert the middle quarter of the frame for .15 sec. */ |
761 | ||
762 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 763 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
764 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
765 | ||
766 | /* Subtract the `struct timeval' values X and Y, | |
767 | storing the result in RESULT. | |
768 | Return 1 if the difference is negative, otherwise 0. */ | |
769 | ||
770 | static int | |
771 | timeval_subtract (result, x, y) | |
772 | struct timeval *result, x, y; | |
773 | { | |
774 | /* Perform the carry for the later subtraction by updating y. | |
775 | This is safer because on some systems | |
776 | the tv_sec member is unsigned. */ | |
777 | if (x.tv_usec < y.tv_usec) | |
778 | { | |
779 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
780 | y.tv_usec -= 1000000 * nsec; | |
781 | y.tv_sec += nsec; | |
782 | } | |
783 | if (x.tv_usec - y.tv_usec > 1000000) | |
784 | { | |
785 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
786 | y.tv_usec += 1000000 * nsec; | |
787 | y.tv_sec -= nsec; | |
788 | } | |
789 | ||
790 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
791 | result->tv_sec = x.tv_sec - y.tv_sec; | |
792 | result->tv_usec = x.tv_usec - y.tv_usec; | |
793 | ||
794 | /* Return indication of whether the result should be considered negative. */ | |
795 | return x.tv_sec < y.tv_sec; | |
796 | } | |
dc6f92b8 | 797 | |
f676886a JB |
798 | XTflash (f) |
799 | struct frame *f; | |
dc6f92b8 | 800 | { |
dbc4e1c1 | 801 | BLOCK_INPUT; |
dc6f92b8 | 802 | |
dbc4e1c1 JB |
803 | { |
804 | GC gc; | |
dc6f92b8 | 805 | |
dbc4e1c1 JB |
806 | /* Create a GC that will use the GXxor function to flip foreground pixels |
807 | into background pixels. */ | |
808 | { | |
809 | XGCValues values; | |
dc6f92b8 | 810 | |
dbc4e1c1 JB |
811 | values.function = GXxor; |
812 | values.foreground = (f->display.x->foreground_pixel | |
813 | ^ f->display.x->background_pixel); | |
814 | ||
815 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
816 | GCFunction | GCForeground, &values); | |
817 | } | |
dc6f92b8 | 818 | |
dbc4e1c1 JB |
819 | { |
820 | int width = PIXEL_WIDTH (f); | |
821 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 822 | |
dbc4e1c1 JB |
823 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
824 | width/4, height/4, width/2, height/2); | |
825 | XFlush (x_current_display); | |
dc6f92b8 | 826 | |
dbc4e1c1 JB |
827 | { |
828 | struct timeval wakeup, now; | |
dc6f92b8 | 829 | |
dbc4e1c1 | 830 | gettimeofday (&wakeup, (struct timezone *) 0); |
dc6f92b8 | 831 | |
dbc4e1c1 JB |
832 | /* Compute time to wait until, propagating carry from usecs. */ |
833 | wakeup.tv_usec += 150000; | |
834 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
835 | wakeup.tv_usec %= 1000000; | |
836 | ||
837 | /* Keep waiting until past the time wakeup. */ | |
838 | while (1) | |
839 | { | |
840 | struct timeval timeout; | |
841 | ||
842 | gettimeofday (&timeout, (struct timezone *)0); | |
843 | ||
844 | /* In effect, timeout = wakeup - timeout. | |
845 | Break if result would be negative. */ | |
846 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
847 | break; | |
848 | ||
849 | /* Try to wait that long--but we might wake up sooner. */ | |
850 | select (0, 0, 0, 0, &timeout); | |
851 | } | |
852 | } | |
853 | ||
854 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
855 | width/4, height/4, width/2, height/2); | |
856 | XFreeGC (x_current_display, gc); | |
857 | XFlush (x_current_display); | |
dc6f92b8 | 858 | } |
dbc4e1c1 JB |
859 | } |
860 | ||
861 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
862 | } |
863 | ||
dbc4e1c1 JB |
864 | #endif |
865 | ||
866 | ||
dc6f92b8 JB |
867 | /* Make audible bell. */ |
868 | ||
869 | #ifdef HAVE_X11 | |
870 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 871 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 872 | #define XRINGBELL XFeep(0); |
c118dd06 | 873 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
874 | |
875 | XTring_bell () | |
876 | { | |
5a6ef893 RS |
877 | if (x_current_display == 0) |
878 | return; | |
879 | ||
dbc4e1c1 | 880 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 881 | if (visible_bell) |
f676886a | 882 | XTflash (selected_frame); |
dc6f92b8 | 883 | else |
dbc4e1c1 | 884 | #endif |
dc6f92b8 JB |
885 | { |
886 | BLOCK_INPUT; | |
887 | XRINGBELL; | |
888 | XFlushQueue (); | |
889 | UNBLOCK_INPUT; | |
890 | } | |
891 | } | |
892 | \f | |
f451eb13 JB |
893 | /* Insert and delete character. |
894 | These are not supposed to be used because we are supposed to turn | |
895 | off the feature of using them. */ | |
dc6f92b8 JB |
896 | |
897 | static | |
898 | XTinsert_glyphs (start, len) | |
899 | register char *start; | |
900 | register int len; | |
901 | { | |
902 | abort (); | |
903 | } | |
904 | ||
905 | static | |
906 | XTdelete_glyphs (n) | |
907 | register int n; | |
908 | { | |
909 | abort (); | |
910 | } | |
911 | \f | |
912 | /* Specify how many text lines, from the top of the window, | |
913 | should be affected by insert-lines and delete-lines operations. | |
914 | This, and those operations, are used only within an update | |
915 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
916 | ||
917 | static | |
918 | XTset_terminal_window (n) | |
919 | register int n; | |
920 | { | |
f676886a | 921 | if (updating_frame == 0) |
dc6f92b8 JB |
922 | abort (); |
923 | ||
f676886a JB |
924 | if ((n <= 0) || (n > updating_frame->height)) |
925 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
926 | else |
927 | flexlines = n; | |
928 | } | |
929 | \f | |
f451eb13 JB |
930 | /* Perform an insert-lines operation. |
931 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
932 | |
933 | static void | |
934 | stufflines (n) | |
935 | register int n; | |
936 | { | |
937 | register int topregion, bottomregion; | |
938 | register int length, newtop, mask; | |
f676886a JB |
939 | register struct frame *f = updating_frame; |
940 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
941 | |
942 | if (curs_y >= flexlines) | |
943 | return; | |
944 | ||
945 | topregion = curs_y; | |
946 | bottomregion = flexlines - (n + 1); | |
947 | newtop = topregion + n; | |
948 | length = (bottomregion - topregion) + 1; | |
949 | ||
950 | #ifndef HAVE_X11 | |
951 | dumpqueue (); | |
c118dd06 | 952 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
953 | |
954 | if ((length > 0) && (newtop <= flexlines)) | |
955 | { | |
956 | #ifdef HAVE_X11 | |
c118dd06 JB |
957 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
958 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 959 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
960 | f->width * FONT_WIDTH (f->display.x->font), |
961 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 962 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
963 | #else /* ! defined (HAVE_X11) */ |
964 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
965 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
966 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
967 | f->width * FONT_WIDTH (f->display.x->font), |
968 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
969 | /* Now we must process any ExposeRegion events that occur |
970 | if the area being copied from is obscured. | |
971 | We can't let it wait because further i/d operations | |
972 | may want to copy this area to another area. */ | |
973 | x_read_exposes (); | |
c118dd06 | 974 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
975 | } |
976 | ||
977 | newtop = min (newtop, (flexlines - 1)); | |
978 | length = newtop - topregion; | |
979 | if (length > 0) | |
980 | { | |
981 | #ifdef HAVE_X11 | |
c118dd06 | 982 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 983 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
984 | f->width * FONT_WIDTH (f->display.x->font), |
985 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
986 | #else /* ! defined (HAVE_X11) */ |
987 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 988 | intborder, |
12ba150f | 989 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
990 | f->width * FONT_WIDTH (f->display.x->font), |
991 | n * FONT_HEIGHT (f->display.x->font), | |
992 | f->display.x->background_pixel); | |
c118dd06 | 993 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
994 | } |
995 | } | |
996 | ||
997 | /* Perform a delete-lines operation, deleting N lines | |
998 | at a vertical position curs_y. */ | |
999 | ||
1000 | static void | |
1001 | scraplines (n) | |
1002 | register int n; | |
1003 | { | |
1004 | int mask; | |
f676886a JB |
1005 | register struct frame *f = updating_frame; |
1006 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1007 | |
1008 | if (curs_y >= flexlines) | |
1009 | return; | |
1010 | ||
1011 | #ifndef HAVE_X11 | |
1012 | dumpqueue (); | |
c118dd06 | 1013 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1014 | |
1015 | if ((curs_y + n) >= flexlines) | |
1016 | { | |
1017 | if (flexlines >= (curs_y + 1)) | |
1018 | { | |
1019 | #ifdef HAVE_X11 | |
c118dd06 | 1020 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1021 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
1022 | f->width * FONT_WIDTH (f->display.x->font), |
1023 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
1024 | #else /* ! defined (HAVE_X11) */ |
1025 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 1026 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
1027 | f->width * FONT_WIDTH (f->display.x->font), |
1028 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
1029 | f->display.x->background_pixel); | |
c118dd06 | 1030 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1031 | } |
1032 | } | |
1033 | else | |
1034 | { | |
1035 | #ifdef HAVE_X11 | |
c118dd06 JB |
1036 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1037 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 1038 | intborder, |
12ba150f | 1039 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
1040 | f->width * FONT_WIDTH (f->display.x->font), |
1041 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 1042 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 1043 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 1044 | intborder, |
12ba150f | 1045 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
1046 | f->width * FONT_WIDTH (f->display.x->font), |
1047 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
1048 | #else /* ! defined (HAVE_X11) */ |
1049 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1050 | intborder, |
12ba150f JB |
1051 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
1052 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
1053 | f->width * FONT_WIDTH (f->display.x->font), |
1054 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
1055 | /* Now we must process any ExposeRegion events that occur |
1056 | if the area being copied from is obscured. | |
1057 | We can't let it wait because further i/d operations | |
1058 | may want to copy this area to another area. */ | |
1059 | x_read_exposes (); | |
c118dd06 | 1060 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 1061 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
1062 | f->width * FONT_WIDTH (f->display.x->font), |
1063 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 1064 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1065 | } |
1066 | } | |
1067 | ||
1068 | /* Perform an insert-lines or delete-lines operation, | |
1069 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1070 | ||
1071 | XTins_del_lines (vpos, n) | |
1072 | int vpos, n; | |
1073 | { | |
f676886a | 1074 | if (updating_frame == 0) |
dc6f92b8 JB |
1075 | abort (); |
1076 | ||
90e65f07 | 1077 | /* Hide the cursor. */ |
f676886a | 1078 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1079 | |
1080 | XTcursor_to (vpos, 0); | |
1081 | ||
1082 | BLOCK_INPUT; | |
1083 | if (n >= 0) | |
1084 | stufflines (n); | |
1085 | else | |
1086 | scraplines (-n); | |
1087 | XFlushQueue (); | |
1088 | UNBLOCK_INPUT; | |
1089 | } | |
1090 | \f | |
f451eb13 | 1091 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1092 | static void clear_cursor (); |
1093 | ||
f676886a JB |
1094 | /* Output into a rectangle of an X-window (for frame F) |
1095 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
1096 | TOP and LEFT are the position of the upper left corner of the rectangle. |
1097 | ROWS and COLS are the size of the rectangle. */ | |
1098 | ||
1099 | static void | |
f676886a JB |
1100 | dumprectangle (f, left, top, cols, rows) |
1101 | struct frame *f; | |
dc6f92b8 JB |
1102 | register int left, top, cols, rows; |
1103 | { | |
f676886a | 1104 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1105 | int cursor_cleared = 0; |
1106 | int bottom, right; | |
1107 | register int y; | |
1108 | ||
f676886a | 1109 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1110 | return; |
1111 | ||
dc6f92b8 JB |
1112 | /* Express rectangle as four edges, instead of position-and-size. */ |
1113 | bottom = top + rows; | |
1114 | right = left + cols; | |
1115 | ||
1116 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1117 | { |
1118 | int intborder = f->display.x->internal_border_width; | |
1119 | ||
1120 | /* If the rectangle includes any of the internal border area, | |
1121 | redisplay the border emphasis. */ | |
1122 | if (top < intborder || left < intborder | |
1123 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1124 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1125 | dumpborder (f, 0); | |
1126 | } | |
d065dd2e | 1127 | #endif /* HAVE_X11 Window manger does this for X11. */ |
dc6f92b8 JB |
1128 | |
1129 | /* Convert rectangle edges in pixels to edges in chars. | |
1130 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1131 | top = PIXEL_TO_CHAR_ROW (f, top); |
1132 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1133 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1134 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1135 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1136 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1137 | |
1138 | /* Clip the rectangle to what can be visible. */ | |
1139 | if (left < 0) | |
1140 | left = 0; | |
1141 | if (top < 0) | |
1142 | top = 0; | |
f676886a JB |
1143 | if (right > f->width) |
1144 | right = f->width; | |
1145 | if (bottom > f->height) | |
1146 | bottom = f->height; | |
dc6f92b8 JB |
1147 | |
1148 | /* Get size in chars of the rectangle. */ | |
1149 | cols = right - left; | |
1150 | rows = bottom - top; | |
1151 | ||
1152 | /* If rectangle has zero area, return. */ | |
1153 | if (rows <= 0) return; | |
1154 | if (cols <= 0) return; | |
1155 | ||
1156 | /* Turn off the cursor if it is in the rectangle. | |
1157 | We will turn it back on afterward. */ | |
f676886a JB |
1158 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1159 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1160 | { |
f676886a | 1161 | clear_cursor (f); |
dc6f92b8 JB |
1162 | cursor_cleared = 1; |
1163 | } | |
1164 | ||
1165 | /* Display the text in the rectangle, one text line at a time. */ | |
1166 | ||
1167 | for (y = top; y < bottom; y++) | |
1168 | { | |
f676886a | 1169 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1170 | |
f676886a | 1171 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1172 | continue; |
1173 | ||
f676886a | 1174 | dumpglyphs (f, |
12ba150f JB |
1175 | CHAR_TO_PIXEL_COL (f, left), |
1176 | CHAR_TO_PIXEL_ROW (f, y), | |
1177 | line, min (cols, active_frame->used[y] - left), | |
07e34cb0 | 1178 | active_frame->highlight[y]); |
dc6f92b8 JB |
1179 | } |
1180 | ||
1181 | /* Turn the cursor on if we turned it off. */ | |
1182 | ||
1183 | if (cursor_cleared) | |
f676886a | 1184 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1185 | } |
1186 | ||
1187 | #ifndef HAVE_X11 | |
1188 | /* Process all queued ExposeRegion events. */ | |
1189 | ||
1190 | static void | |
1191 | dumpqueue () | |
1192 | { | |
1193 | register int i; | |
1194 | XExposeRegionEvent r; | |
1195 | ||
1196 | while (dequeue_event (&r, &x_expose_queue)) | |
1197 | { | |
f676886a JB |
1198 | struct frame *f = x_window_to_frame (r.window); |
1199 | if (f->display.x->icon_desc == r.window) | |
1200 | refreshicon (f); | |
dc6f92b8 | 1201 | else |
f676886a | 1202 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1203 | } |
1204 | XFlushQueue (); | |
1205 | } | |
c118dd06 | 1206 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1207 | \f |
f451eb13 | 1208 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1209 | Redraws the cursor if necessary on any frame that |
1210 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1211 | |
f451eb13 | 1212 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1213 | static void |
1214 | x_do_pending_expose () | |
1215 | { | |
1216 | int mask; | |
f676886a JB |
1217 | struct frame *f; |
1218 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1219 | |
1220 | if (expose_all_windows) | |
1221 | { | |
1222 | expose_all_windows = 0; | |
f676886a | 1223 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1224 | { |
1225 | register int temp_width, temp_height; | |
1226 | int intborder; | |
1227 | ||
f676886a | 1228 | frame = XCONS (tail)->car; |
ab648270 | 1229 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1230 | continue; |
f676886a | 1231 | f = XFRAME (frame); |
b1c884c3 | 1232 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1233 | continue; |
3a88c238 | 1234 | if (!f->async_visible) |
dc6f92b8 | 1235 | continue; |
f676886a | 1236 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1237 | continue; |
1238 | ||
f676886a | 1239 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1240 | |
f676886a | 1241 | clear_cursor (f); |
c118dd06 | 1242 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1243 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1244 | - f->display.x->v_scroll_bar_width) |
f676886a | 1245 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1246 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1247 | - f->display.x->h_scroll_bar_height) |
f676886a JB |
1248 | / FONT_HEIGHT (f->display.x->font)); |
1249 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1250 | { |
f676886a | 1251 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1252 | max (1, temp_width), 0, 1); |
ab648270 | 1253 | x_resize_scroll_bars (f); |
dc6f92b8 | 1254 | } |
f676886a JB |
1255 | f->display.x->left_pos = windowinfo.x; |
1256 | f->display.x->top_pos = windowinfo.y; | |
1257 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1258 | #if 0 |
f676886a | 1259 | dumpborder (f, 0); |
c118dd06 | 1260 | #endif /* ! 0 */ |
f676886a JB |
1261 | f->display.x->needs_exposure = 0; |
1262 | if (updating_frame != f) | |
1263 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1264 | XFlushQueue (); |
1265 | } | |
1266 | } | |
1267 | else | |
1268 | /* Handle any individual-rectangle expose events queued | |
1269 | for various windows. */ | |
1270 | #ifdef HAVE_X11 | |
1271 | ; | |
c118dd06 | 1272 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1273 | dumpqueue (); |
c118dd06 | 1274 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1275 | } |
f451eb13 | 1276 | #endif |
dc6f92b8 JB |
1277 | |
1278 | #ifdef HAVE_X11 | |
1279 | static void | |
f676886a JB |
1280 | frame_highlight (frame) |
1281 | struct frame *frame; | |
dc6f92b8 | 1282 | { |
b3e1e05c JB |
1283 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1284 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1285 | and border pixel are window attributes which are "private to the | |
1286 | client", so we can always change it to whatever we want. */ | |
1287 | BLOCK_INPUT; | |
1288 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), | |
1289 | frame->display.x->border_pixel); | |
1290 | UNBLOCK_INPUT; | |
f676886a | 1291 | x_display_cursor (frame, 1); |
dc6f92b8 JB |
1292 | } |
1293 | ||
1294 | static void | |
f676886a JB |
1295 | frame_unhighlight (frame) |
1296 | struct frame *frame; | |
dc6f92b8 | 1297 | { |
b3e1e05c JB |
1298 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1299 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1300 | and border pixel are window attributes which are "private to the | |
1301 | client", so we can always change it to whatever we want. */ | |
1302 | BLOCK_INPUT; | |
1303 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), | |
1304 | frame->display.x->border_tile); | |
1305 | UNBLOCK_INPUT; | |
f676886a | 1306 | x_display_cursor (frame, 1); |
dc6f92b8 | 1307 | } |
c118dd06 | 1308 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1309 | /* Dump the border-emphasis of frame F. |
1310 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1311 | just within the border, occupying a portion of the internal border. |
f676886a | 1312 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1313 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1314 | ||
f676886a | 1315 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1316 | In that case, we also turn the cursor off and on again |
1317 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1318 | ||
1319 | static void | |
f676886a JB |
1320 | dumpborder (f, always) |
1321 | struct frame *f; | |
dc6f92b8 JB |
1322 | int always; |
1323 | { | |
f676886a JB |
1324 | int thickness = f->display.x->internal_border_width / 2; |
1325 | int width = PIXEL_WIDTH (f); | |
1326 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1327 | int pixel; |
1328 | ||
f676886a | 1329 | if (f != selected_frame) |
dc6f92b8 JB |
1330 | { |
1331 | if (!always) | |
1332 | return; | |
1333 | ||
f676886a | 1334 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1335 | } |
1336 | else | |
1337 | { | |
f676886a | 1338 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1339 | } |
1340 | ||
c118dd06 JB |
1341 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1342 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1343 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1344 | thickness, pixel); |
c118dd06 | 1345 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1346 | height, pixel); |
1347 | ||
1348 | if (always) | |
f676886a | 1349 | x_display_cursor (f, 1); |
dc6f92b8 | 1350 | } |
c118dd06 | 1351 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1352 | |
f676886a | 1353 | static void XTframe_rehighlight (); |
6d4238f3 | 1354 | |
f676886a JB |
1355 | /* The focus has changed. Update the frames as necessary to reflect |
1356 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1357 | here, because the lisp code we are interrupting might become confused. |
eb8c3be9 | 1358 | Each event gets marked with the frame in which it occurred, so the |
6d4238f3 | 1359 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1360 | |
6d4238f3 | 1361 | static void |
f676886a JB |
1362 | x_new_focus_frame (frame) |
1363 | struct frame *frame; | |
dc6f92b8 | 1364 | { |
f676886a | 1365 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1366 | int events_enqueued = 0; |
1367 | ||
f676886a | 1368 | if (frame != x_focus_frame) |
dc6f92b8 | 1369 | { |
6d4238f3 | 1370 | /* Set this before calling other routines, so that they see |
f676886a JB |
1371 | the correct value of x_focus_frame. */ |
1372 | x_focus_frame = frame; | |
6d4238f3 JB |
1373 | |
1374 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1375 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1376 | |
1377 | #if 0 | |
f676886a JB |
1378 | selected_frame = frame; |
1379 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1380 | Lisp_Frame, selected_frame); | |
1381 | Fselect_window (selected_frame->selected_window); | |
1382 | choose_minibuf_frame (); | |
c118dd06 | 1383 | #endif /* ! 0 */ |
dc6f92b8 | 1384 | |
f676886a JB |
1385 | if (x_focus_frame && x_focus_frame->auto_raise) |
1386 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1387 | } |
dc6f92b8 | 1388 | |
f676886a | 1389 | XTframe_rehighlight (); |
6d4238f3 JB |
1390 | } |
1391 | ||
1392 | ||
f451eb13 JB |
1393 | /* The focus has changed, or we have redirected a frame's focus to |
1394 | another frame (this happens when a frame uses a surrogate | |
1395 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1396 | static void |
f676886a | 1397 | XTframe_rehighlight () |
6d4238f3 | 1398 | { |
f676886a | 1399 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1400 | |
f676886a | 1401 | if (x_focus_frame) |
6d4238f3 | 1402 | { |
f451eb13 | 1403 | x_highlight_frame = |
ab648270 | 1404 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1405 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1406 | : x_focus_frame); | |
1407 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1408 | { | |
1409 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1410 | x_highlight_frame = x_focus_frame; | |
1411 | } | |
dc6f92b8 | 1412 | } |
6d4238f3 | 1413 | else |
f676886a | 1414 | x_highlight_frame = 0; |
dc6f92b8 | 1415 | |
f676886a | 1416 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1417 | { |
1418 | if (old_highlight) | |
f676886a JB |
1419 | frame_unhighlight (old_highlight); |
1420 | if (x_highlight_frame) | |
1421 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1422 | } |
dc6f92b8 JB |
1423 | } |
1424 | \f | |
e4571a43 | 1425 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1426 | |
28430d3c JB |
1427 | /* Which modifier keys are on which modifier bits? |
1428 | ||
1429 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1430 | keys were held down when the key was pressed. The interpretation |
1431 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1432 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1433 | is the meta bit. | |
1434 | ||
1435 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1436 | It may have more than one bit set, if more than one modifier bit | |
1437 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1438 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1439 | ||
1440 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1441 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1442 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1443 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1444 | arrangement, the lock modifier should shift the character if | |
1445 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1446 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1447 | |
a3c44b14 RS |
1448 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1449 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1450 | ||
28430d3c JB |
1451 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1452 | static void | |
1453 | x_find_modifier_meanings () | |
1454 | { | |
f689eb05 | 1455 | int min_code, max_code; |
28430d3c JB |
1456 | KeySym *syms; |
1457 | int syms_per_code; | |
1458 | XModifierKeymap *mods; | |
1459 | ||
1460 | x_meta_mod_mask = 0; | |
11edeb03 | 1461 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1462 | x_alt_mod_mask = 0; |
1463 | x_super_mod_mask = 0; | |
1464 | x_hyper_mod_mask = 0; | |
28430d3c | 1465 | |
9658a521 | 1466 | #ifdef HAVE_X11R4 |
28430d3c | 1467 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1468 | #else |
1469 | min_code = x_current_display->min_keycode; | |
1470 | max_code = x_current_display->max_keycode; | |
1471 | #endif | |
1472 | ||
28430d3c JB |
1473 | syms = XGetKeyboardMapping (x_current_display, |
1474 | min_code, max_code - min_code + 1, | |
1475 | &syms_per_code); | |
1476 | mods = XGetModifierMapping (x_current_display); | |
1477 | ||
11edeb03 JB |
1478 | /* Scan the modifier table to see which modifier bits the Meta and |
1479 | Alt keysyms are on. */ | |
28430d3c JB |
1480 | { |
1481 | int row, col; /* The row and column in the modifier table. */ | |
1482 | ||
1483 | for (row = 3; row < 8; row++) | |
1484 | for (col = 0; col < mods->max_keypermod; col++) | |
1485 | { | |
1486 | KeyCode code = | |
1487 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1488 | ||
1489 | /* Are any of this keycode's keysyms a meta key? */ | |
1490 | { | |
1491 | int code_col; | |
1492 | ||
1493 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1494 | { | |
f689eb05 | 1495 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1496 | |
f689eb05 | 1497 | switch (sym) |
28430d3c | 1498 | { |
f689eb05 JB |
1499 | case XK_Meta_L: |
1500 | case XK_Meta_R: | |
28430d3c JB |
1501 | x_meta_mod_mask |= (1 << row); |
1502 | break; | |
f689eb05 JB |
1503 | |
1504 | case XK_Alt_L: | |
1505 | case XK_Alt_R: | |
a3c44b14 RS |
1506 | x_alt_mod_mask |= (1 << row); |
1507 | break; | |
1508 | ||
1509 | case XK_Hyper_L: | |
1510 | case XK_Hyper_R: | |
1511 | x_hyper_mod_mask |= (1 << row); | |
1512 | break; | |
1513 | ||
1514 | case XK_Super_L: | |
1515 | case XK_Super_R: | |
1516 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1517 | break; |
11edeb03 JB |
1518 | |
1519 | case XK_Shift_Lock: | |
1520 | /* Ignore this if it's not on the lock modifier. */ | |
1521 | if ((1 << row) == LockMask) | |
1522 | x_shift_lock_mask = LockMask; | |
1523 | break; | |
28430d3c JB |
1524 | } |
1525 | } | |
1526 | } | |
1527 | } | |
1528 | } | |
1529 | ||
f689eb05 JB |
1530 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1531 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1532 | { |
1533 | x_meta_mod_mask = x_alt_mod_mask; | |
1534 | x_alt_mod_mask = 0; | |
1535 | } | |
f689eb05 | 1536 | |
148c4b70 RS |
1537 | /* If some keys are both alt and meta, |
1538 | make them just meta, not alt. */ | |
1539 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1540 | { | |
1541 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1542 | } | |
1543 | ||
28430d3c | 1544 | XFree ((char *) syms); |
f689eb05 | 1545 | XFreeModifiermap (mods); |
28430d3c JB |
1546 | } |
1547 | ||
1548 | ||
dfeccd2d JB |
1549 | /* Convert between the modifier bits X uses and the modifier bits |
1550 | Emacs uses. */ | |
7c5283e4 | 1551 | static unsigned int |
dfeccd2d | 1552 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1553 | unsigned int state; |
1554 | { | |
11edeb03 JB |
1555 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1556 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1557 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1558 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1559 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1560 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1561 | } |
1562 | ||
dfeccd2d JB |
1563 | static unsigned int |
1564 | x_emacs_to_x_modifiers (state) | |
1565 | unsigned int state; | |
1566 | { | |
1567 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1568 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1569 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1570 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1571 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1572 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1573 | } | |
1574 | ||
e4571a43 JB |
1575 | /* Return true iff KEYSYM is a vendor-specific keysym that we should |
1576 | return as a function key. If you add a keysym to this, you should | |
1577 | make sure that the tables make_lispy_event uses contain a suitable | |
1578 | name for it. */ | |
1579 | static int | |
1580 | x_is_vendor_fkey (sym) | |
1581 | KeySym sym; | |
1582 | { | |
1583 | return 0 | |
1584 | #ifdef DXK_Remove | |
1585 | || (sym == DXK_Remove) | |
1586 | #endif | |
1587 | ; | |
1588 | } | |
1589 | ||
1590 | \f | |
1591 | /* Mouse clicks and mouse movement. Rah. */ | |
1592 | #ifdef HAVE_X11 | |
1593 | ||
1594 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1595 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
1596 | that the glyph at X, Y occupies, if BOUNDS != 0. */ | |
1597 | static void | |
1598 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds) | |
1599 | FRAME_PTR f; | |
1600 | register unsigned int pix_x, pix_y; | |
1601 | register int *x, *y; | |
1602 | XRectangle *bounds; | |
1603 | { | |
1604 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); | |
1605 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1606 | ||
1607 | if (bounds) | |
1608 | { | |
1609 | bounds->width = FONT_WIDTH (f->display.x->font); | |
1610 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1611 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1612 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1613 | } | |
1614 | ||
1615 | if (pix_x < 0) pix_x = 0; | |
1616 | else if (pix_x > f->width) pix_x = f->width; | |
1617 | ||
1618 | if (pix_y < 0) pix_y = 0; | |
1619 | else if (pix_y > f->height) pix_y = f->height; | |
1620 | ||
1621 | *x = pix_x; | |
1622 | *y = pix_y; | |
1623 | } | |
1624 | ||
1625 | /* Any buttons grabbed. */ | |
1626 | unsigned int x_mouse_grabbed; | |
1627 | ||
dc6f92b8 JB |
1628 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1629 | ||
1630 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1631 | the mouse. */ |
dc6f92b8 JB |
1632 | |
1633 | static Lisp_Object | |
f451eb13 | 1634 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1635 | struct input_event *result; |
1636 | XButtonEvent *event; | |
f676886a | 1637 | struct frame *f; |
dc6f92b8 | 1638 | { |
f451eb13 | 1639 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1640 | otherwise. */ |
f451eb13 JB |
1641 | result->kind = mouse_click; |
1642 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1643 | result->timestamp = event->time; |
dfeccd2d | 1644 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
1645 | | (event->type == ButtonRelease |
1646 | ? up_modifier | |
1647 | : down_modifier)); | |
dc6f92b8 JB |
1648 | |
1649 | /* Notice if the mouse is still grabbed. */ | |
1650 | if (event->type == ButtonPress) | |
1651 | { | |
1652 | if (! x_mouse_grabbed) | |
1653 | Vmouse_depressed = Qt; | |
90e65f07 | 1654 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1655 | } |
1656 | else if (event->type == ButtonRelease) | |
1657 | { | |
90e65f07 | 1658 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1659 | if (!x_mouse_grabbed) |
1660 | Vmouse_depressed = Qnil; | |
1661 | } | |
1662 | ||
f451eb13 JB |
1663 | { |
1664 | int row, column; | |
dc6f92b8 | 1665 | |
f451eb13 JB |
1666 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1667 | XFASTINT (result->x) = column; | |
1668 | XFASTINT (result->y) = row; | |
12ba150f | 1669 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1670 | } |
dc6f92b8 JB |
1671 | } |
1672 | ||
1673 | ||
90e65f07 JB |
1674 | /* Mouse movement. Rah. |
1675 | ||
1676 | In order to avoid asking for motion events and then throwing most | |
1677 | of them away or busy-polling the server for mouse positions, we ask | |
1678 | the server for pointer motion hints. This means that we get only | |
1679 | one event per group of mouse movements. "Groups" are delimited by | |
1680 | other kinds of events (focus changes and button clicks, for | |
1681 | example), or by XQueryPointer calls; when one of these happens, we | |
1682 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1683 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1684 | tracking is on, and I suspect only negligibly worse when tracking |
1685 | is off. | |
1686 | ||
1687 | The silly O'Reilly & Associates Nutshell guides barely document | |
1688 | pointer motion hints at all (I think you have to infer how they | |
1689 | work from an example), and the description of XQueryPointer doesn't | |
1690 | mention that calling it causes you to get another motion hint from | |
1691 | the server, which is very important. */ | |
1692 | ||
1693 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1694 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1695 | static XRectangle last_mouse_glyph; |
1696 | ||
ab648270 | 1697 | /* The scroll bar in which the last X motion event occurred. |
12ba150f | 1698 | |
eb8c3be9 | 1699 | If the last X motion event occurred in a scroll bar, we set this |
ab648270 | 1700 | so XTmouse_position can know whether to report a scroll bar motion or |
12ba150f JB |
1701 | an ordinary motion. |
1702 | ||
ab648270 | 1703 | If the last X motion event didn't occur in a scroll bar, we set this |
12ba150f | 1704 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ |
ab648270 | 1705 | static Lisp_Object last_mouse_scroll_bar; |
f451eb13 | 1706 | |
e5d77022 JB |
1707 | /* This is a hack. We would really prefer that XTmouse_position would |
1708 | return the time associated with the position it returns, but there | |
1709 | doesn't seem to be any way to wrest the timestamp from the server | |
1710 | along with the position query. So, we just keep track of the time | |
1711 | of the last movement we received, and return that in hopes that | |
1712 | it's somewhat accurate. */ | |
1713 | static Time last_mouse_movement_time; | |
1714 | ||
90e65f07 JB |
1715 | /* Function to report a mouse movement to the mainstream Emacs code. |
1716 | The input handler calls this. | |
1717 | ||
1718 | We have received a mouse movement event, which is given in *event. | |
1719 | If the mouse is over a different glyph than it was last time, tell | |
1720 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1721 | another motion event, so we can check again the next time it moves. */ | |
1722 | static void | |
12ba150f | 1723 | note_mouse_movement (frame, event) |
f676886a | 1724 | FRAME_PTR frame; |
90e65f07 JB |
1725 | XMotionEvent *event; |
1726 | ||
1727 | { | |
e5d77022 JB |
1728 | last_mouse_movement_time = event->time; |
1729 | ||
90e65f07 JB |
1730 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1731 | if (event->x < last_mouse_glyph.x | |
1732 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1733 | || event->y < last_mouse_glyph.y | |
1734 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1735 | { |
1736 | mouse_moved = 1; | |
ab648270 | 1737 | last_mouse_scroll_bar = Qnil; |
12ba150f | 1738 | } |
90e65f07 JB |
1739 | else |
1740 | { | |
1741 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1742 | event the next time the mouse moves and we can see if it's | |
1743 | *still* on the same glyph. */ | |
1744 | int dummy; | |
1745 | ||
1746 | XQueryPointer (event->display, event->window, | |
1747 | (Window *) &dummy, (Window *) &dummy, | |
1748 | &dummy, &dummy, &dummy, &dummy, | |
1749 | (unsigned int *) &dummy); | |
1750 | } | |
1751 | } | |
1752 | ||
ab648270 JB |
1753 | static struct scroll_bar *x_window_to_scroll_bar (); |
1754 | static void x_scroll_bar_report_motion (); | |
12ba150f | 1755 | |
90e65f07 JB |
1756 | /* Return the current position of the mouse. |
1757 | ||
ab648270 JB |
1758 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
1759 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 1760 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 1761 | position on the scroll bar. |
12ba150f JB |
1762 | |
1763 | If the mouse movement started elsewhere, set *f to the frame the | |
1764 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1765 | the mouse is over. | |
1766 | ||
1767 | Set *time to the server timestamp for the time at which the mouse | |
1768 | was at this position. | |
1769 | ||
a135645a RS |
1770 | Don't store anything if we don't have a valid set of values to report. |
1771 | ||
90e65f07 | 1772 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1773 | movement. This also calls XQueryPointer, which will cause the |
1774 | server to give us another MotionNotify when the mouse moves | |
1775 | again. */ | |
90e65f07 JB |
1776 | |
1777 | static void | |
12ba150f | 1778 | XTmouse_position (f, bar_window, part, x, y, time) |
472895ad | 1779 | FRAME_PTR *f; |
12ba150f | 1780 | Lisp_Object *bar_window; |
ab648270 | 1781 | enum scroll_bar_part *part; |
90e65f07 | 1782 | Lisp_Object *x, *y; |
e5d77022 | 1783 | unsigned long *time; |
90e65f07 | 1784 | { |
a135645a RS |
1785 | FRAME_PTR f1; |
1786 | ||
90e65f07 JB |
1787 | BLOCK_INPUT; |
1788 | ||
ab648270 JB |
1789 | if (! NILP (last_mouse_scroll_bar)) |
1790 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1791 | else |
1792 | { | |
12ba150f JB |
1793 | Window root; |
1794 | int root_x, root_y; | |
90e65f07 | 1795 | |
12ba150f JB |
1796 | Window dummy_window; |
1797 | int dummy; | |
1798 | ||
1799 | mouse_moved = 0; | |
ab648270 | 1800 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
1801 | |
1802 | /* Figure out which root window we're on. */ | |
1803 | XQueryPointer (x_current_display, | |
1804 | DefaultRootWindow (x_current_display), | |
1805 | ||
1806 | /* The root window which contains the pointer. */ | |
1807 | &root, | |
1808 | ||
1809 | /* Trash which we can't trust if the pointer is on | |
1810 | a different screen. */ | |
1811 | &dummy_window, | |
1812 | ||
1813 | /* The position on that root window. */ | |
1814 | &root_x, &root_y, | |
1815 | ||
1816 | /* More trash we can't trust. */ | |
1817 | &dummy, &dummy, | |
1818 | ||
1819 | /* Modifier keys and pointer buttons, about which | |
1820 | we don't care. */ | |
1821 | (unsigned int *) &dummy); | |
1822 | ||
1823 | /* Now we have a position on the root; find the innermost window | |
1824 | containing the pointer. */ | |
1825 | { | |
1826 | Window win, child; | |
1827 | int win_x, win_y; | |
1828 | int parent_x, parent_y; | |
1829 | ||
1830 | win = root; | |
1831 | for (;;) | |
1832 | { | |
1833 | XTranslateCoordinates (x_current_display, | |
1834 | ||
1835 | /* From-window, to-window. */ | |
1836 | root, win, | |
1837 | ||
1838 | /* From-position, to-position. */ | |
1839 | root_x, root_y, &win_x, &win_y, | |
1840 | ||
1841 | /* Child of win. */ | |
1842 | &child); | |
1843 | ||
1844 | if (child == None) | |
1845 | break; | |
1846 | ||
1847 | win = child; | |
1848 | parent_x = win_x; | |
1849 | parent_y = win_y; | |
1850 | } | |
1851 | ||
1852 | /* Now we know that: | |
1853 | win is the innermost window containing the pointer | |
1854 | (XTC says it has no child containing the pointer), | |
1855 | win_x and win_y are the pointer's position in it | |
1856 | (XTC did this the last time through), and | |
1857 | parent_x and parent_y are the pointer's position in win's parent. | |
1858 | (They are what win_x and win_y were when win was child. | |
1859 | If win is the root window, it has no parent, and | |
1860 | parent_{x,y} are invalid, but that's okay, because we'll | |
1861 | never use them in that case.) */ | |
1862 | ||
1863 | /* Is win one of our frames? */ | |
a135645a | 1864 | f1 = x_window_to_frame (win); |
12ba150f | 1865 | |
ab648270 | 1866 | /* If not, is it one of our scroll bars? */ |
a135645a | 1867 | if (! f1) |
12ba150f | 1868 | { |
ab648270 | 1869 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
1870 | |
1871 | if (bar) | |
1872 | { | |
a135645a | 1873 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
1874 | win_x = parent_x; |
1875 | win_y = parent_y; | |
1876 | } | |
1877 | } | |
90e65f07 | 1878 | |
a135645a | 1879 | if (f1) |
12ba150f | 1880 | { |
a135645a RS |
1881 | /* Ok, we found a frame. Convert from pixels to characters |
1882 | and store all the values. */ | |
1883 | ||
1884 | pixel_to_glyph_coords (f1, win_x, win_y, &win_x, &win_y, | |
12ba150f JB |
1885 | &last_mouse_glyph); |
1886 | ||
1887 | *bar_window = Qnil; | |
1888 | *part = 0; | |
a135645a | 1889 | *f = f1; |
12ba150f JB |
1890 | XSET (*x, Lisp_Int, win_x); |
1891 | XSET (*y, Lisp_Int, win_y); | |
1892 | *time = last_mouse_movement_time; | |
1893 | } | |
1894 | } | |
1895 | } | |
90e65f07 JB |
1896 | |
1897 | UNBLOCK_INPUT; | |
1898 | } | |
1899 | ||
c118dd06 | 1900 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1901 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1902 | #endif /* ! defined (HAVE_X11) */ |
1903 | \f | |
ab648270 | 1904 | /* Scroll bar support. */ |
f451eb13 | 1905 | |
ab648270 JB |
1906 | /* Given an X window ID, find the struct scroll_bar which manages it. |
1907 | This can be called in GC, so we have to make sure to strip off mark | |
1908 | bits. */ | |
1909 | static struct scroll_bar * | |
1910 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
1911 | Window window_id; |
1912 | { | |
1913 | Lisp_Object tail, frame; | |
f451eb13 | 1914 | |
ab648270 JB |
1915 | for (tail = Vframe_list; |
1916 | XGCTYPE (tail) == Lisp_Cons; | |
1917 | tail = XCONS (tail)->cdr) | |
f451eb13 | 1918 | { |
f451eb13 | 1919 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1920 | Lisp_Object bar, condemned; |
f451eb13 JB |
1921 | |
1922 | /* All elements of Vframe_list should be frames. */ | |
ab648270 | 1923 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
1924 | abort (); |
1925 | ||
ab648270 | 1926 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 1927 | right window ID. */ |
ab648270 JB |
1928 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
1929 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 1930 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
1931 | condemned scroll bar lists with one loop. */ |
1932 | ! GC_NILP (bar) || (bar = condemned, | |
1933 | condemned = Qnil, | |
1934 | ! GC_NILP (bar)); | |
1935 | bar = XSCROLL_BAR(bar)->next) | |
1936 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1937 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
1938 | } |
1939 | ||
1940 | return 0; | |
1941 | } | |
1942 | ||
ab648270 JB |
1943 | /* Open a new X window to serve as a scroll bar, and return the |
1944 | scroll bar vector for it. */ | |
1945 | static struct scroll_bar * | |
1946 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 1947 | struct window *window; |
f451eb13 JB |
1948 | int top, left, width, height; |
1949 | { | |
12ba150f | 1950 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
1951 | struct scroll_bar *bar = |
1952 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
1953 | |
1954 | BLOCK_INPUT; | |
1955 | ||
1956 | { | |
1957 | XSetWindowAttributes a; | |
1958 | unsigned long mask; | |
1959 | ||
12ba150f JB |
1960 | a.background_pixel = frame->display.x->background_pixel; |
1961 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1962 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1963 | | ExposureMask); |
ab648270 | 1964 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 1965 | |
dbc4e1c1 | 1966 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 1967 | |
ab648270 | 1968 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
1969 | (bar, |
1970 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1971 | |
ab648270 | 1972 | /* Position and size of scroll bar. */ |
12ba150f | 1973 | left, top, width, height, |
f451eb13 | 1974 | |
12ba150f JB |
1975 | /* Border width, depth, class, and visual. */ |
1976 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1977 | |
12ba150f JB |
1978 | /* Attributes. */ |
1979 | mask, &a)); | |
f451eb13 JB |
1980 | } |
1981 | ||
12ba150f JB |
1982 | XSET (bar->window, Lisp_Window, window); |
1983 | XSET (bar->top, Lisp_Int, top); | |
1984 | XSET (bar->left, Lisp_Int, left); | |
1985 | XSET (bar->width, Lisp_Int, width); | |
1986 | XSET (bar->height, Lisp_Int, height); | |
1987 | XSET (bar->start, Lisp_Int, 0); | |
1988 | XSET (bar->end, Lisp_Int, 0); | |
1989 | bar->dragging = Qnil; | |
f451eb13 JB |
1990 | |
1991 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 1992 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 1993 | bar->prev = Qnil; |
ab648270 | 1994 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 1995 | if (! NILP (bar->next)) |
ab648270 | 1996 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 1997 | |
ab648270 | 1998 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
1999 | |
2000 | UNBLOCK_INPUT; | |
12ba150f JB |
2001 | |
2002 | return bar; | |
f451eb13 JB |
2003 | } |
2004 | ||
12ba150f JB |
2005 | /* Draw BAR's handle in the proper position. |
2006 | If the handle is already drawn from START to END, don't bother | |
2007 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2008 | redraw it. (REBUILD is handy for drawing the handle after expose | |
2009 | events.) | |
2010 | ||
2011 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2012 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2013 | handle, we want to let them drag it down all the way, so that the |
2014 | bar's top is as far down as it goes; otherwise, there's no way to | |
2015 | move to the very end of the buffer. */ | |
f451eb13 | 2016 | static void |
ab648270 JB |
2017 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2018 | struct scroll_bar *bar; | |
f451eb13 | 2019 | int start, end; |
12ba150f | 2020 | int rebuild; |
f451eb13 | 2021 | { |
12ba150f | 2022 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2023 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2024 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2025 | ||
2026 | /* If the display is already accurate, do nothing. */ | |
2027 | if (! rebuild | |
2028 | && start == XINT (bar->start) | |
2029 | && end == XINT (bar->end)) | |
2030 | return; | |
2031 | ||
f451eb13 JB |
2032 | BLOCK_INPUT; |
2033 | ||
2034 | { | |
ab648270 JB |
2035 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2036 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2037 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2038 | |
2039 | /* Make sure the values are reasonable, and try to preserve | |
2040 | the distance between start and end. */ | |
12ba150f JB |
2041 | { |
2042 | int length = end - start; | |
2043 | ||
2044 | if (start < 0) | |
2045 | start = 0; | |
2046 | else if (start > top_range) | |
2047 | start = top_range; | |
2048 | end = start + length; | |
2049 | ||
2050 | if (end < start) | |
2051 | end = start; | |
2052 | else if (end > top_range && ! dragging) | |
2053 | end = top_range; | |
2054 | } | |
f451eb13 | 2055 | |
ab648270 | 2056 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
2057 | XSET (bar->start, Lisp_Int, start); |
2058 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 2059 | |
12ba150f JB |
2060 | /* Clip the end position, just for display. */ |
2061 | if (end > top_range) | |
2062 | end = top_range; | |
f451eb13 | 2063 | |
ab648270 | 2064 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2065 | below top positions, to make sure the handle is always at least |
2066 | that many pixels tall. */ | |
ab648270 | 2067 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2068 | |
12ba150f JB |
2069 | /* Draw the empty space above the handle. Note that we can't clear |
2070 | zero-height areas; that means "clear to end of window." */ | |
2071 | if (0 < start) | |
2072 | XClearArea (x_current_display, w, | |
f451eb13 | 2073 | |
12ba150f | 2074 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2075 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2076 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2077 | inside_width, start, |
2078 | False); | |
f451eb13 | 2079 | |
12ba150f JB |
2080 | /* Draw the handle itself. */ |
2081 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2082 | |
12ba150f | 2083 | /* x, y, width, height */ |
ab648270 JB |
2084 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2085 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2086 | inside_width, end - start); |
f451eb13 | 2087 | |
f451eb13 | 2088 | |
12ba150f JB |
2089 | /* Draw the empty space below the handle. Note that we can't |
2090 | clear zero-height areas; that means "clear to end of window." */ | |
2091 | if (end < inside_height) | |
2092 | XClearArea (x_current_display, w, | |
f451eb13 | 2093 | |
12ba150f | 2094 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2095 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2096 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2097 | inside_width, inside_height - end, |
2098 | False); | |
f451eb13 | 2099 | |
f451eb13 JB |
2100 | } |
2101 | ||
f451eb13 JB |
2102 | UNBLOCK_INPUT; |
2103 | } | |
2104 | ||
eb8c3be9 | 2105 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2106 | window configurations. */ |
f451eb13 | 2107 | static void |
ab648270 JB |
2108 | x_scroll_bar_move (bar, top, left, width, height) |
2109 | struct scroll_bar *bar; | |
f451eb13 JB |
2110 | int top, left, width, height; |
2111 | { | |
2112 | BLOCK_INPUT; | |
2113 | ||
2114 | { | |
2115 | XWindowChanges wc; | |
2116 | unsigned int mask = 0; | |
2117 | ||
2118 | wc.x = left; | |
2119 | wc.y = top; | |
2120 | wc.width = width; | |
2121 | wc.height = height; | |
2122 | ||
12ba150f JB |
2123 | if (left != XINT (bar->left)) mask |= CWX; |
2124 | if (top != XINT (bar->top)) mask |= CWY; | |
2125 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2126 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2127 | ||
2128 | if (mask) | |
ab648270 | 2129 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2130 | mask, &wc); |
f451eb13 JB |
2131 | } |
2132 | ||
12ba150f JB |
2133 | XSET (bar->left, Lisp_Int, left); |
2134 | XSET (bar->top, Lisp_Int, top); | |
2135 | XSET (bar->width, Lisp_Int, width); | |
2136 | XSET (bar->height, Lisp_Int, height); | |
2137 | ||
f451eb13 JB |
2138 | UNBLOCK_INPUT; |
2139 | } | |
2140 | ||
ab648270 | 2141 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2142 | to nil. */ |
2143 | static void | |
ab648270 JB |
2144 | x_scroll_bar_remove (bar) |
2145 | struct scroll_bar *bar; | |
12ba150f JB |
2146 | { |
2147 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2148 | ||
2149 | BLOCK_INPUT; | |
2150 | ||
2151 | /* Destroy the window. */ | |
ab648270 | 2152 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2153 | |
ab648270 JB |
2154 | /* Disassociate this scroll bar from its window. */ |
2155 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2156 | |
2157 | UNBLOCK_INPUT; | |
2158 | } | |
2159 | ||
2160 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2161 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2162 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2163 | create one. */ |
2164 | static void | |
ab648270 | 2165 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2166 | struct window *window; |
2167 | int portion, whole, position; | |
2168 | { | |
2169 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2170 | int top = XINT (window->top); |
ab648270 JB |
2171 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2172 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2173 | |
ab648270 | 2174 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2175 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2176 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2177 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2178 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2179 | |
ab648270 | 2180 | struct scroll_bar *bar; |
12ba150f | 2181 | |
ab648270 JB |
2182 | /* Does the scroll bar exist yet? */ |
2183 | if (NILP (window->vertical_scroll_bar)) | |
2184 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2185 | pixel_top, pixel_left, |
2186 | pixel_width, pixel_height); | |
2187 | else | |
12ba150f JB |
2188 | { |
2189 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2190 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2191 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2192 | } |
f451eb13 | 2193 | |
ab648270 | 2194 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2195 | dragged. */ |
12ba150f | 2196 | if (NILP (bar->dragging)) |
f451eb13 | 2197 | { |
12ba150f | 2198 | int top_range = |
ab648270 | 2199 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2200 | |
12ba150f | 2201 | if (whole == 0) |
ab648270 | 2202 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2203 | else |
2204 | { | |
43f868f5 JB |
2205 | int start = ((double) position * top_range) / whole; |
2206 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2207 | |
ab648270 | 2208 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2209 | } |
f451eb13 JB |
2210 | } |
2211 | ||
ab648270 | 2212 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2213 | } |
2214 | ||
12ba150f | 2215 | |
f451eb13 | 2216 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2217 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2218 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2219 | away is a real pain - "Can you say set-window-configuration, boys |
2220 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2221 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2222 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2223 | |
ab648270 JB |
2224 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2225 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2226 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2227 | static void |
ab648270 | 2228 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2229 | FRAME_PTR frame; |
2230 | { | |
12ba150f JB |
2231 | /* The condemned list should be empty at this point; if it's not, |
2232 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2233 | protocol correctly. */ | |
ab648270 | 2234 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2235 | abort (); |
2236 | ||
2237 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2238 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2239 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2240 | } |
2241 | ||
ab648270 | 2242 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2243 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2244 | static void |
ab648270 | 2245 | XTredeem_scroll_bar (window) |
12ba150f | 2246 | struct window *window; |
f451eb13 | 2247 | { |
ab648270 | 2248 | struct scroll_bar *bar; |
12ba150f | 2249 | |
ab648270 JB |
2250 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2251 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2252 | abort (); |
2253 | ||
ab648270 | 2254 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2255 | |
2256 | /* Unlink it from the condemned list. */ | |
2257 | { | |
2258 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2259 | ||
2260 | if (NILP (bar->prev)) | |
2261 | { | |
2262 | /* If the prev pointer is nil, it must be the first in one of | |
2263 | the lists. */ | |
ab648270 | 2264 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2265 | /* It's not condemned. Everything's fine. */ |
2266 | return; | |
ab648270 JB |
2267 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2268 | window->vertical_scroll_bar)) | |
2269 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2270 | else |
2271 | /* If its prev pointer is nil, it must be at the front of | |
2272 | one or the other! */ | |
2273 | abort (); | |
2274 | } | |
2275 | else | |
ab648270 | 2276 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2277 | |
2278 | if (! NILP (bar->next)) | |
ab648270 | 2279 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2280 | |
ab648270 | 2281 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2282 | bar->prev = Qnil; |
ab648270 | 2283 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2284 | if (! NILP (bar->next)) |
ab648270 | 2285 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2286 | } |
f451eb13 JB |
2287 | } |
2288 | ||
ab648270 JB |
2289 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2290 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2291 | static void |
ab648270 | 2292 | XTjudge_scroll_bars (f) |
12ba150f | 2293 | FRAME_PTR f; |
f451eb13 | 2294 | { |
12ba150f | 2295 | Lisp_Object bar, next; |
f451eb13 | 2296 | |
ab648270 | 2297 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2298 | |
2299 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2300 | more events on the hapless scroll bars. */ |
2301 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2302 | |
2303 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2304 | { |
ab648270 | 2305 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2306 | |
ab648270 | 2307 | x_scroll_bar_remove (b); |
12ba150f JB |
2308 | |
2309 | next = b->next; | |
2310 | b->next = b->prev = Qnil; | |
f451eb13 | 2311 | } |
12ba150f | 2312 | |
ab648270 | 2313 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2314 | and they should get garbage-collected. */ |
f451eb13 JB |
2315 | } |
2316 | ||
2317 | ||
ab648270 JB |
2318 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2319 | ||
2320 | This may be called from a signal handler, so we have to ignore GC | |
2321 | mark bits. */ | |
f451eb13 | 2322 | static void |
ab648270 JB |
2323 | x_scroll_bar_expose (bar, event) |
2324 | struct scroll_bar *bar; | |
f451eb13 JB |
2325 | XEvent *event; |
2326 | { | |
ab648270 | 2327 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2328 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2329 | ||
f451eb13 JB |
2330 | BLOCK_INPUT; |
2331 | ||
ab648270 | 2332 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2333 | |
ab648270 | 2334 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2335 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2336 | |
2337 | /* x, y, width, height */ | |
12ba150f | 2338 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2339 | |
12ba150f JB |
2340 | /* Draw another line to make the extra-thick border on the right. */ |
2341 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2342 | |
12ba150f JB |
2343 | /* x, y, width, height */ |
2344 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2345 | |
2346 | UNBLOCK_INPUT; | |
2347 | } | |
2348 | ||
ab648270 JB |
2349 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2350 | is set to something other than no_event, it is enqueued. | |
2351 | ||
2352 | This may be called from a signal handler, so we have to ignore GC | |
2353 | mark bits. */ | |
f451eb13 | 2354 | static void |
ab648270 JB |
2355 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2356 | struct scroll_bar *bar; | |
f451eb13 JB |
2357 | XEvent *event; |
2358 | struct input_event *emacs_event; | |
2359 | { | |
ab648270 | 2360 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2361 | abort (); |
2362 | ||
ab648270 | 2363 | emacs_event->kind = scroll_bar_click; |
12ba150f | 2364 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 | 2365 | emacs_event->modifiers = |
dfeccd2d | 2366 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
2367 | | (event->type == ButtonRelease |
2368 | ? up_modifier | |
2369 | : down_modifier)); | |
12ba150f | 2370 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2371 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2372 | { |
2373 | int internal_height = | |
ab648270 | 2374 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2375 | int top_range = |
ab648270 JB |
2376 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2377 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2378 | |
2379 | if (y < 0) y = 0; | |
2380 | if (y > top_range) y = top_range; | |
2381 | ||
2382 | if (y < XINT (bar->start)) | |
ab648270 JB |
2383 | emacs_event->part = scroll_bar_above_handle; |
2384 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2385 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2386 | else |
ab648270 | 2387 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2388 | |
2389 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2390 | they want to drag it. Lisp code needs to be able to decide |
2391 | whether or not we're dragging. */ | |
929787e1 | 2392 | #if 0 |
12ba150f JB |
2393 | /* If the user has just clicked on the handle, record where they're |
2394 | holding it. */ | |
2395 | if (event->type == ButtonPress | |
ab648270 | 2396 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 2397 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 2398 | #endif |
12ba150f JB |
2399 | |
2400 | /* If the user has released the handle, set it to its final position. */ | |
2401 | if (event->type == ButtonRelease | |
2402 | && ! NILP (bar->dragging)) | |
2403 | { | |
2404 | int new_start = y - XINT (bar->dragging); | |
2405 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2406 | |
ab648270 | 2407 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2408 | bar->dragging = Qnil; |
2409 | } | |
f451eb13 | 2410 | |
5116f055 JB |
2411 | /* Same deal here as the other #if 0. */ |
2412 | #if 0 | |
eb8c3be9 | 2413 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 2414 | the handle. */ |
ab648270 | 2415 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2416 | emacs_event->x = bar->start; |
2417 | else | |
2418 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
2419 | #else |
2420 | XSET (emacs_event->x, Lisp_Int, y); | |
2421 | #endif | |
f451eb13 | 2422 | |
12ba150f JB |
2423 | XSET (emacs_event->y, Lisp_Int, top_range); |
2424 | } | |
2425 | } | |
f451eb13 | 2426 | |
ab648270 JB |
2427 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2428 | ||
2429 | This may be called from a signal handler, so we have to ignore GC | |
2430 | mark bits. */ | |
f451eb13 | 2431 | static void |
ab648270 JB |
2432 | x_scroll_bar_note_movement (bar, event) |
2433 | struct scroll_bar *bar; | |
f451eb13 JB |
2434 | XEvent *event; |
2435 | { | |
2436 | last_mouse_movement_time = event->xmotion.time; | |
2437 | ||
2438 | mouse_moved = 1; | |
ab648270 | 2439 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2440 | |
2441 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2442 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2443 | { |
2444 | /* Where should the handle be now? */ | |
12ba150f | 2445 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2446 | |
12ba150f | 2447 | if (new_start != XINT (bar->start)) |
f451eb13 | 2448 | { |
12ba150f | 2449 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2450 | |
ab648270 | 2451 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2452 | } |
2453 | } | |
2454 | ||
2455 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2456 | moves and we can see *still* on the same position. */ | |
2457 | { | |
2458 | int dummy; | |
2459 | ||
2460 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2461 | (Window *) &dummy, (Window *) &dummy, | |
2462 | &dummy, &dummy, &dummy, &dummy, | |
2463 | (unsigned int *) &dummy); | |
2464 | } | |
2465 | } | |
2466 | ||
12ba150f | 2467 | /* Return information to the user about the current position of the mouse |
ab648270 | 2468 | on the scroll bar. */ |
12ba150f | 2469 | static void |
ab648270 | 2470 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2471 | FRAME_PTR *f; |
2472 | Lisp_Object *bar_window; | |
ab648270 | 2473 | enum scroll_bar_part *part; |
12ba150f JB |
2474 | Lisp_Object *x, *y; |
2475 | unsigned long *time; | |
2476 | { | |
ab648270 | 2477 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 2478 | int win_x, win_y; |
559cb2fb JB |
2479 | Window dummy_window; |
2480 | int dummy_coord; | |
2481 | unsigned int dummy_mask; | |
12ba150f | 2482 | |
cf7cb199 JB |
2483 | BLOCK_INPUT; |
2484 | ||
ab648270 | 2485 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 2486 | report that. */ |
559cb2fb JB |
2487 | if (! XQueryPointer (x_current_display, |
2488 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 2489 | |
559cb2fb JB |
2490 | /* Root, child, root x and root y. */ |
2491 | &dummy_window, &dummy_window, | |
2492 | &dummy_coord, &dummy_coord, | |
12ba150f | 2493 | |
559cb2fb JB |
2494 | /* Position relative to scroll bar. */ |
2495 | &win_x, &win_y, | |
12ba150f | 2496 | |
559cb2fb JB |
2497 | /* Mouse buttons and modifier keys. */ |
2498 | &dummy_mask)) | |
2499 | *f = 0; | |
2500 | else | |
2501 | { | |
2502 | int inside_height | |
2503 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2504 | int top_range | |
2505 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2506 | ||
2507 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
2508 | ||
2509 | if (! NILP (bar->dragging)) | |
2510 | win_y -= XINT (bar->dragging); | |
2511 | ||
2512 | if (win_y < 0) | |
2513 | win_y = 0; | |
2514 | if (win_y > top_range) | |
2515 | win_y = top_range; | |
2516 | ||
2517 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2518 | *bar_window = bar->window; | |
2519 | ||
2520 | if (! NILP (bar->dragging)) | |
2521 | *part = scroll_bar_handle; | |
2522 | else if (win_y < XINT (bar->start)) | |
2523 | *part = scroll_bar_above_handle; | |
2524 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2525 | *part = scroll_bar_handle; | |
2526 | else | |
2527 | *part = scroll_bar_below_handle; | |
12ba150f | 2528 | |
559cb2fb JB |
2529 | XSET (*x, Lisp_Int, win_y); |
2530 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 2531 | |
559cb2fb JB |
2532 | mouse_moved = 0; |
2533 | last_mouse_scroll_bar = Qnil; | |
2534 | } | |
12ba150f | 2535 | |
559cb2fb | 2536 | *time = last_mouse_movement_time; |
cf7cb199 | 2537 | |
cf7cb199 | 2538 | UNBLOCK_INPUT; |
12ba150f JB |
2539 | } |
2540 | ||
f451eb13 | 2541 | |
dbc4e1c1 | 2542 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2543 | background colors, and the scroll bars may need to be redrawn. |
2544 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2545 | redraw them. */ |
2546 | ||
ab648270 | 2547 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2548 | FRAME_PTR f; |
2549 | { | |
2550 | Lisp_Object bar; | |
2551 | ||
ab648270 | 2552 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2553 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2554 | bar = XSCROLL_BAR (bar)->next) |
2555 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2556 | 0, 0, 0, 0, True); |
2557 | } | |
2558 | ||
2559 | ||
f451eb13 JB |
2560 | \f |
2561 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2562 | |
dc6f92b8 JB |
2563 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2564 | but we have to put it out here, since static variables within functions | |
2565 | sometimes don't work. */ | |
2566 | static Time enter_timestamp; | |
2567 | ||
11edeb03 JB |
2568 | /* This holds the state XLookupString needs to implement dead keys |
2569 | and other tricks known as "compose processing". _X Window System_ | |
2570 | says that a portable program can't use this, but Stephen Gildea assures | |
2571 | me that letting the compiler initialize it to zeros will work okay. | |
2572 | ||
2573 | This must be defined outside of XTread_socket, for the same reasons | |
2574 | given for enter_timestamp, above. */ | |
2575 | static XComposeStatus compose_status; | |
2576 | ||
c047688c JA |
2577 | /* Communication with window managers. */ |
2578 | Atom Xatom_wm_protocols; | |
2579 | ||
2580 | /* Kinds of protocol things we may receive. */ | |
2581 | Atom Xatom_wm_take_focus; | |
2582 | Atom Xatom_wm_save_yourself; | |
2583 | Atom Xatom_wm_delete_window; | |
2584 | ||
2585 | /* Other WM communication */ | |
2586 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2587 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2588 | ||
d56a553a RS |
2589 | /* Window manager communication. */ |
2590 | Atom Xatom_wm_change_state; | |
2591 | ||
10e6549c RS |
2592 | /* Record the last 100 characters stored |
2593 | to help debug the loss-of-chars-during-GC problem. */ | |
2594 | int temp_index; | |
2595 | short temp_buffer[100]; | |
2596 | ||
dc6f92b8 JB |
2597 | /* Read events coming from the X server. |
2598 | This routine is called by the SIGIO handler. | |
2599 | We return as soon as there are no more events to be read. | |
2600 | ||
2601 | Events representing keys are stored in buffer BUFP, | |
2602 | which can hold up to NUMCHARS characters. | |
2603 | We return the number of characters stored into the buffer, | |
2604 | thus pretending to be `read'. | |
2605 | ||
2606 | WAITP is nonzero if we should block until input arrives. | |
2607 | EXPECTED is nonzero if the caller knows input is available. */ | |
2608 | ||
7c5283e4 | 2609 | int |
dc6f92b8 JB |
2610 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2611 | register int sd; | |
2612 | register struct input_event *bufp; | |
2613 | register int numchars; | |
2614 | int waitp; | |
2615 | int expected; | |
2616 | { | |
2617 | int count = 0; | |
2618 | int nbytes = 0; | |
2619 | int mask; | |
2620 | int items_pending; /* How many items are in the X queue. */ | |
2621 | XEvent event; | |
f676886a | 2622 | struct frame *f; |
66f55a9d | 2623 | int event_found = 0; |
dc6f92b8 JB |
2624 | int prefix; |
2625 | Lisp_Object part; | |
2626 | ||
9ac0d9e0 | 2627 | if (interrupt_input_blocked) |
dc6f92b8 | 2628 | { |
9ac0d9e0 | 2629 | interrupt_input_pending = 1; |
dc6f92b8 JB |
2630 | return -1; |
2631 | } | |
2632 | ||
9ac0d9e0 | 2633 | interrupt_input_pending = 0; |
dc6f92b8 JB |
2634 | BLOCK_INPUT; |
2635 | ||
2636 | if (numchars <= 0) | |
2637 | abort (); /* Don't think this happens. */ | |
2638 | ||
2639 | #ifdef FIOSNBIO | |
2640 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2641 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2642 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2643 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2644 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2645 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2646 | |
2647 | #ifndef SIGIO | |
2648 | #ifndef HAVE_SELECT | |
2649 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2650 | { | |
2651 | extern int read_alarm_should_throw; | |
2652 | read_alarm_should_throw = 1; | |
2653 | XPeekEvent (XDISPLAY &event); | |
2654 | read_alarm_should_throw = 0; | |
2655 | } | |
c118dd06 JB |
2656 | #endif /* HAVE_SELECT */ |
2657 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2658 | |
2659 | while (XStuffPending () != 0) | |
2660 | { | |
2661 | XNextEvent (XDISPLAY &event); | |
2662 | event_found = 1; | |
2663 | ||
2664 | switch (event.type) | |
2665 | { | |
2666 | #ifdef HAVE_X11 | |
c047688c JA |
2667 | case ClientMessage: |
2668 | { | |
2669 | if (event.xclient.message_type == Xatom_wm_protocols | |
2670 | && event.xclient.format == 32) | |
2671 | { | |
2672 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2673 | { | |
f676886a JB |
2674 | f = x_window_to_frame (event.xclient.window); |
2675 | if (f) | |
2676 | x_focus_on_frame (f); | |
ab648270 | 2677 | /* Not certain about handling scroll bars here */ |
c047688c JA |
2678 | } |
2679 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2680 | { | |
2681 | /* Save state modify the WM_COMMAND property to | |
2682 | something which can reinstate us. This notifies | |
2683 | the session manager, who's looking for such a | |
2684 | PropertyNotify. Can restart processing when | |
2685 | a keyboard or mouse event arrives. */ | |
2686 | if (numchars > 0) | |
2687 | { | |
2688 | } | |
2689 | } | |
2690 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2691 | { | |
f676886a | 2692 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2693 | |
f676886a | 2694 | if (f) |
1fb20991 RS |
2695 | { |
2696 | if (numchars == 0) | |
2697 | abort (); | |
2698 | ||
2699 | bufp->kind = delete_window_event; | |
2700 | XSET (bufp->frame_or_window, Lisp_Frame, f); | |
2701 | bufp++; | |
2702 | ||
2703 | count += 1; | |
2704 | numchars -= 1; | |
2705 | } | |
c047688c JA |
2706 | } |
2707 | } | |
2708 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2709 | { | |
2710 | } | |
2711 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2712 | { | |
2713 | int new_x, new_y; | |
1fb20991 RS |
2714 | struct frame *f = x_window_to_frame (event.xclient.window); |
2715 | ||
4357eba7 JB |
2716 | new_x = event.xclient.data.s[0]; |
2717 | new_y = event.xclient.data.s[1]; | |
1fb20991 RS |
2718 | |
2719 | if (f) | |
2720 | { | |
2721 | f->display.x->left_pos = new_x; | |
2722 | f->display.x->top_pos = new_y; | |
2723 | } | |
c047688c JA |
2724 | } |
2725 | } | |
2726 | break; | |
dc6f92b8 | 2727 | |
d56a553a RS |
2728 | #ifdef NEW_SELECTIONS |
2729 | case SelectionNotify: | |
2730 | x_handle_selection_notify (&event); | |
2731 | break; | |
2732 | #endif | |
2733 | ||
dc6f92b8 | 2734 | case SelectionClear: /* Someone has grabbed ownership. */ |
d56a553a RS |
2735 | #ifdef NEW_SELECTIONS |
2736 | { | |
2737 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
2738 | ||
2739 | if (numchars == 0) | |
2740 | abort (); | |
2741 | ||
2742 | bufp->kind = selection_clear_event; | |
2743 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2744 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2745 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2746 | bufp++; | |
2747 | ||
2748 | count += 1; | |
2749 | numchars -= 1; | |
2750 | } | |
2751 | #else | |
dc6f92b8 JB |
2752 | x_disown_selection (event.xselectionclear.window, |
2753 | event.xselectionclear.selection, | |
2754 | event.xselectionclear.time); | |
d56a553a | 2755 | #endif |
dc6f92b8 JB |
2756 | break; |
2757 | ||
2758 | case SelectionRequest: /* Someone wants our selection. */ | |
d56a553a RS |
2759 | #ifdef NEW_SELECTIONS |
2760 | { | |
2761 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
2762 | ||
2763 | if (numchars == 0) | |
2764 | abort (); | |
2765 | ||
2766 | bufp->kind = selection_request_event; | |
2767 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2768 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
2769 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2770 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
2771 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
2772 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2773 | bufp++; | |
2774 | ||
2775 | count += 1; | |
2776 | numchars -= 1; | |
2777 | } | |
2778 | #else | |
dc6f92b8 | 2779 | x_answer_selection_request (event); |
d56a553a | 2780 | #endif |
dc6f92b8 JB |
2781 | break; |
2782 | ||
2783 | case PropertyNotify: | |
d56a553a RS |
2784 | #ifdef NEW_SELECTIONS |
2785 | x_handle_property_notify (&event); | |
2786 | #else | |
28430d3c JB |
2787 | /* If we're being told about a root window property, then it's |
2788 | a cut buffer change. */ | |
2789 | if (event.xproperty.window == ROOT_WINDOW) | |
2790 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2791 | ||
2792 | /* Otherwise, we're probably handling an incremental | |
2793 | selection transmission. */ | |
2794 | else | |
2795 | { | |
2796 | /* If we were to do this synchronously, there'd be no worry | |
2797 | about re-selecting. */ | |
2798 | x_send_incremental (event); | |
2799 | } | |
d56a553a | 2800 | #endif |
dc6f92b8 JB |
2801 | break; |
2802 | ||
3bd330d4 RS |
2803 | case ReparentNotify: |
2804 | f = x_window_to_frame (event.xreparent.window); | |
2805 | if (f) | |
2806 | f->display.x->parent_desc = event.xreparent.parent; | |
2807 | break; | |
2808 | ||
dc6f92b8 | 2809 | case Expose: |
f676886a JB |
2810 | f = x_window_to_frame (event.xexpose.window); |
2811 | if (f) | |
dc6f92b8 | 2812 | { |
3a88c238 | 2813 | if (f->async_visible == 0) |
dc6f92b8 | 2814 | { |
3a88c238 JB |
2815 | f->async_visible = 1; |
2816 | f->async_iconified = 0; | |
f676886a | 2817 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2818 | } |
2819 | else | |
f451eb13 JB |
2820 | { |
2821 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2822 | event.xexpose.x, event.xexpose.y, | |
2823 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2824 | } |
2825 | } | |
2826 | else | |
2827 | { | |
ab648270 JB |
2828 | struct scroll_bar *bar |
2829 | = x_window_to_scroll_bar (event.xexpose.window); | |
f451eb13 JB |
2830 | |
2831 | if (bar) | |
ab648270 | 2832 | x_scroll_bar_expose (bar, &event); |
dc6f92b8 JB |
2833 | } |
2834 | break; | |
2835 | ||
2836 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2837 | source area was obscured or not | |
2838 | available.*/ | |
f451eb13 JB |
2839 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2840 | if (f) | |
2841 | { | |
2842 | dumprectangle (f, | |
2843 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2844 | event.xgraphicsexpose.width, | |
2845 | event.xgraphicsexpose.height); | |
f451eb13 | 2846 | } |
dc6f92b8 JB |
2847 | break; |
2848 | ||
2849 | case NoExpose: /* This occurs when an XCopyArea's | |
2850 | source area was completely | |
2851 | available */ | |
2852 | break; | |
c118dd06 | 2853 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2854 | case ExposeWindow: |
2855 | if (event.subwindow != 0) | |
2856 | break; /* duplicate event */ | |
f676886a JB |
2857 | f = x_window_to_frame (event.window); |
2858 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2859 | { |
f676886a | 2860 | refreshicon (f); |
3a88c238 | 2861 | f->async_iconified = 1; |
dc6f92b8 | 2862 | } |
c118dd06 | 2863 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2864 | { |
2865 | /* Say must check all windows' needs_exposure flags. */ | |
2866 | expose_all_windows = 1; | |
f676886a | 2867 | f->display.x->needs_exposure = 1; |
3a88c238 | 2868 | f->async_visible = 1; |
dc6f92b8 JB |
2869 | } |
2870 | break; | |
2871 | ||
2872 | case ExposeRegion: | |
2873 | if (event.subwindow != 0) | |
2874 | break; /* duplicate event */ | |
f676886a JB |
2875 | f = x_window_to_frame (event.window); |
2876 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2877 | { |
f676886a | 2878 | refreshicon (f); |
dc6f92b8 JB |
2879 | break; |
2880 | } | |
2881 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2882 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2883 | break; |
2884 | /* Put the event on the queue of rectangles to redraw. */ | |
2885 | if (enqueue_event (&event, &x_expose_queue)) | |
2886 | /* If it is full, we can't record the rectangle, | |
2887 | so redraw this entire window. */ | |
2888 | { | |
2889 | /* Say must check all windows' needs_exposure flags. */ | |
2890 | expose_all_windows = 1; | |
f676886a | 2891 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2892 | } |
2893 | break; | |
2894 | ||
2895 | case ExposeCopy: | |
2896 | /* This should happen only when we are expecting it, | |
2897 | in x_read_exposes. */ | |
2898 | abort (); | |
c118dd06 | 2899 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2900 | |
2901 | #ifdef HAVE_X11 | |
2902 | case UnmapNotify: | |
f451eb13 JB |
2903 | f = x_window_to_frame (event.xunmap.window); |
2904 | if (f) /* F may no longer exist if | |
f676886a | 2905 | the frame was deleted. */ |
f451eb13 JB |
2906 | { |
2907 | /* While a frame is unmapped, display generation is | |
2908 | disabled; you don't want to spend time updating a | |
2909 | display that won't ever be seen. */ | |
2910 | f->async_visible = 0; | |
9319ae23 RS |
2911 | /* The window manager never makes a window invisible |
2912 | ("withdrawn"); all it does is switch between visible | |
2913 | and iconified. Frames get into the invisible state | |
041b69ac | 2914 | only through x_make_frame_invisible. */ |
9319ae23 RS |
2915 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
2916 | f->async_iconified = 1; | |
f451eb13 | 2917 | } |
dc6f92b8 JB |
2918 | break; |
2919 | ||
2920 | case MapNotify: | |
f676886a JB |
2921 | f = x_window_to_frame (event.xmap.window); |
2922 | if (f) | |
dc6f92b8 | 2923 | { |
3a88c238 JB |
2924 | f->async_visible = 1; |
2925 | f->async_iconified = 0; | |
dc6f92b8 JB |
2926 | |
2927 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2928 | the frame's display structures. */ |
2929 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2930 | } |
2931 | break; | |
2932 | ||
2933 | /* Turn off processing if we become fully obscured. */ | |
2934 | case VisibilityNotify: | |
2935 | break; | |
2936 | ||
c118dd06 | 2937 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2938 | case UnmapWindow: |
f676886a JB |
2939 | f = x_window_to_frame (event.window); |
2940 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2941 | f->async_iconified = 0; |
c118dd06 | 2942 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2943 | f->async_visible = 0; |
dc6f92b8 | 2944 | break; |
c118dd06 | 2945 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2946 | |
2947 | #ifdef HAVE_X11 | |
2948 | case KeyPress: | |
f676886a | 2949 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2950 | |
f676886a | 2951 | if (f != 0) |
dc6f92b8 | 2952 | { |
2d368234 | 2953 | KeySym keysym, orig_keysym; |
bf6d8fb9 RS |
2954 | /* al%imercury@uunet.uu.net says that making this 81 instead of |
2955 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
2956 | unsigned char copy_buffer[81]; | |
64bb1782 RS |
2957 | int modifiers; |
2958 | ||
dfeccd2d JB |
2959 | event.xkey.state |
2960 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 2961 | modifiers = event.xkey.state; |
3a2712f9 | 2962 | |
11edeb03 | 2963 | /* This will have to go some day... */ |
752a043f JB |
2964 | |
2965 | /* make_lispy_event turns chars into control chars. | |
2966 | Don't do it here because XLookupString is too eager. */ | |
2967 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
2968 | nbytes = |
2969 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2970 | &compose_status); | |
dc6f92b8 | 2971 | |
55123275 JB |
2972 | /* Strip off the vendor-specific keysym bit, and take a shot |
2973 | at recognizing the codes. HP servers have extra keysyms | |
2974 | that fit into the MiscFunctionKey category. */ | |
2d368234 | 2975 | orig_keysym = keysym; |
55123275 JB |
2976 | keysym &= ~(1<<28); |
2977 | ||
dc6f92b8 JB |
2978 | if (numchars > 1) |
2979 | { | |
64a07219 JB |
2980 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) |
2981 | || keysym == XK_Delete | |
2982 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
2983 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 2984 | #ifdef HPUX |
64a07219 JB |
2985 | /* This recognizes the "extended function keys". |
2986 | It seems there's no cleaner way. | |
2987 | Test IsModifierKey to avoid handling mode_switch | |
2988 | incorrectly. */ | |
2989 | || ((unsigned) (keysym) >= XK_Select | |
2990 | && (unsigned)(keysym) < XK_KP_Space) | |
c34790e0 | 2991 | #endif |
64a07219 JB |
2992 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
2993 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
2994 | || x_is_vendor_fkey (orig_keysym)) | |
7719aa06 RS |
2995 | && ! (IsModifierKey (orig_keysym) |
2996 | #ifndef HAVE_X11R5 | |
2997 | #ifdef XK_Mode_switch | |
2998 | || ((unsigned)(orig_keysym) == XK_Mode_switch) | |
2999 | #endif | |
3000 | #ifdef XK_Num_Lock | |
3001 | || ((unsigned)(orig_keysym) == XK_Num_Lock) | |
3002 | #endif | |
3003 | #endif /* not HAVE_X11R5 */ | |
3004 | )) | |
dc6f92b8 | 3005 | { |
10e6549c RS |
3006 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3007 | temp_index = 0; | |
3008 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 3009 | bufp->kind = non_ascii_keystroke; |
a3c44b14 | 3010 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff00); |
12ba150f | 3011 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3012 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3013 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3014 | bufp++; |
3015 | count++; | |
3016 | numchars--; | |
3017 | } | |
3018 | else if (numchars > nbytes) | |
3019 | { | |
3020 | register int i; | |
3021 | ||
10e6549c | 3022 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 3023 | { |
10e6549c RS |
3024 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3025 | temp_index = 0; | |
3026 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 3027 | bufp->kind = ascii_keystroke; |
10e6549c | 3028 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); |
12ba150f | 3029 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3030 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3031 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3032 | bufp++; |
3033 | } | |
dc6f92b8 JB |
3034 | |
3035 | count += nbytes; | |
3036 | numchars -= nbytes; | |
3037 | } | |
10e6549c RS |
3038 | else |
3039 | abort (); | |
dc6f92b8 | 3040 | } |
10e6549c RS |
3041 | else |
3042 | abort (); | |
dc6f92b8 JB |
3043 | } |
3044 | break; | |
c118dd06 | 3045 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3046 | case KeyPressed: |
3047 | { | |
3048 | register char *where_mapping; | |
3049 | ||
f676886a | 3050 | f = x_window_to_frame (event.window); |
dc6f92b8 | 3051 | /* Ignore keys typed on icon windows. */ |
f676886a | 3052 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
3053 | break; |
3054 | where_mapping = XLookupMapping (&event, &nbytes); | |
3055 | /* Nasty fix for arrow keys */ | |
3056 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
3057 | { | |
3058 | switch (event.detail & 0xff) | |
3059 | { | |
3060 | case KC_CURSOR_LEFT: | |
3061 | where_mapping = "\002"; | |
3062 | break; | |
3063 | case KC_CURSOR_RIGHT: | |
3064 | where_mapping = "\006"; | |
3065 | break; | |
3066 | case KC_CURSOR_UP: | |
3067 | where_mapping = "\020"; | |
3068 | break; | |
3069 | case KC_CURSOR_DOWN: | |
3070 | where_mapping = "\016"; | |
3071 | break; | |
3072 | } | |
3073 | nbytes = 1; | |
3074 | } | |
3075 | if (numchars - nbytes > 0) | |
3076 | { | |
3077 | register int i; | |
3078 | ||
3079 | for (i = 0; i < nbytes; i++) | |
3080 | { | |
3081 | bufp->kind = ascii_keystroke; | |
3082 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 3083 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 3084 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
3085 | bufp++; |
3086 | } | |
3087 | count += nbytes; | |
3088 | numchars -= nbytes; | |
3089 | } | |
3090 | } | |
3091 | break; | |
c118dd06 | 3092 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3093 | |
3094 | #ifdef HAVE_X11 | |
f451eb13 JB |
3095 | |
3096 | /* Here's a possible interpretation of the whole | |
3097 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3098 | FocusIn event, you have to get a FocusOut event before you | |
3099 | relinquish the focus. If you haven't received a FocusIn event, | |
3100 | then a mere LeaveNotify is enough to free you. */ | |
3101 | ||
dc6f92b8 | 3102 | case EnterNotify: |
f676886a | 3103 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 3104 | |
f451eb13 | 3105 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3106 | { |
dc6f92b8 | 3107 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
3108 | if (f && (!(f->auto_raise) |
3109 | || !(f->auto_lower) | |
dc6f92b8 JB |
3110 | || (event.xcrossing.time - enter_timestamp) > 500)) |
3111 | { | |
f676886a | 3112 | x_new_focus_frame (f); |
dc6f92b8 JB |
3113 | enter_timestamp = event.xcrossing.time; |
3114 | } | |
dc6f92b8 | 3115 | } |
f676886a JB |
3116 | else if (f == x_focus_frame) |
3117 | x_new_focus_frame (0); | |
dc6f92b8 JB |
3118 | |
3119 | break; | |
3120 | ||
3121 | case FocusIn: | |
f676886a | 3122 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3123 | if (event.xfocus.detail != NotifyPointer) |
3124 | x_focus_event_frame = f; | |
f676886a JB |
3125 | if (f) |
3126 | x_new_focus_frame (f); | |
dc6f92b8 JB |
3127 | break; |
3128 | ||
f451eb13 | 3129 | |
dc6f92b8 | 3130 | case LeaveNotify: |
f451eb13 | 3131 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 3132 | |
f451eb13 JB |
3133 | if (event.xcrossing.focus) |
3134 | { | |
3135 | if (! x_focus_event_frame) | |
3136 | x_new_focus_frame (0); | |
3137 | else | |
f676886a | 3138 | x_new_focus_frame (f); |
f451eb13 JB |
3139 | } |
3140 | else | |
3141 | { | |
3142 | if (f == x_focus_event_frame) | |
3143 | x_focus_event_frame = 0; | |
3144 | if (f == x_focus_frame) | |
f676886a | 3145 | x_new_focus_frame (0); |
dc6f92b8 JB |
3146 | } |
3147 | break; | |
3148 | ||
3149 | case FocusOut: | |
f676886a | 3150 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3151 | if (event.xfocus.detail != NotifyPointer |
3152 | && f == x_focus_event_frame) | |
3153 | x_focus_event_frame = 0; | |
f676886a JB |
3154 | if (f && f == x_focus_frame) |
3155 | x_new_focus_frame (0); | |
dc6f92b8 JB |
3156 | break; |
3157 | ||
c118dd06 | 3158 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3159 | |
3160 | case EnterWindow: | |
3161 | if ((event.detail & 0xFF) == 1) | |
3162 | break; /* Coming from our own subwindow */ | |
3163 | if (event.subwindow != 0) | |
3164 | break; /* Entering our own subwindow. */ | |
3165 | ||
3166 | { | |
f676886a JB |
3167 | f = x_window_to_frame (event.window); |
3168 | x_mouse_frame = f; | |
dc6f92b8 | 3169 | |
f676886a | 3170 | x_new_focus_frame (f); |
dc6f92b8 JB |
3171 | } |
3172 | break; | |
3173 | ||
3174 | case LeaveWindow: | |
3175 | if ((event.detail & 0xFF) == 1) | |
3176 | break; /* Entering our own subwindow */ | |
3177 | if (event.subwindow != 0) | |
3178 | break; /* Leaving our own subwindow. */ | |
3179 | ||
f676886a JB |
3180 | x_mouse_frame = 0; |
3181 | if (x_focus_frame == 0 | |
3182 | && x_input_frame != 0 | |
3183 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 3184 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 3185 | { |
f676886a JB |
3186 | f = x_input_frame; |
3187 | x_input_frame = 0; | |
3188 | if (f) | |
3189 | frame_unhighlight (f); | |
dc6f92b8 JB |
3190 | } |
3191 | break; | |
c118dd06 | 3192 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3193 | |
3194 | #ifdef HAVE_X11 | |
3195 | case MotionNotify: | |
3196 | { | |
f676886a JB |
3197 | f = x_window_to_frame (event.xmotion.window); |
3198 | if (f) | |
12ba150f | 3199 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 3200 | else |
dc6f92b8 | 3201 | { |
ab648270 JB |
3202 | struct scroll_bar *bar = |
3203 | x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3204 | |
3205 | if (bar) | |
ab648270 | 3206 | x_scroll_bar_note_movement (bar, &event); |
dc6f92b8 | 3207 | } |
dc6f92b8 JB |
3208 | } |
3209 | break; | |
3210 | ||
3211 | case ConfigureNotify: | |
dbc4e1c1 JB |
3212 | f = x_window_to_frame (event.xconfigure.window); |
3213 | if (f) | |
3214 | { | |
3215 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3216 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3217 | ||
3218 | /* Even if the number of character rows and columns has | |
3219 | not changed, the font size may have changed, so we need | |
3220 | to check the pixel dimensions as well. */ | |
3221 | if (columns != f->width | |
3222 | || rows != f->height | |
3223 | || event.xconfigure.width != f->display.x->pixel_width | |
3224 | || event.xconfigure.height != f->display.x->pixel_height) | |
3225 | { | |
3226 | change_frame_size (f, rows, columns, 0, 1); | |
3227 | SET_FRAME_GARBAGED (f); | |
3228 | } | |
dc6f92b8 | 3229 | |
3bd330d4 | 3230 | if (! event.xconfigure.send_event) |
af395ec1 RS |
3231 | { |
3232 | Window win, child; | |
3233 | int win_x, win_y; | |
3234 | ||
6cc35d86 JB |
3235 | /* Find the position of the outside upper-left corner of |
3236 | the window, in the root coordinate system. Don't | |
3237 | refer to the parent window here; we may be processing | |
3238 | this event after the window manager has changed our | |
3239 | parent, but before we have reached the ReparentNotify. */ | |
af395ec1 RS |
3240 | XTranslateCoordinates (x_current_display, |
3241 | ||
3242 | /* From-window, to-window. */ | |
6cc35d86 | 3243 | f->display.x->window_desc, |
3bd330d4 | 3244 | ROOT_WINDOW, |
af395ec1 RS |
3245 | |
3246 | /* From-position, to-position. */ | |
6cc35d86 JB |
3247 | -event.xconfigure.border_width, |
3248 | -event.xconfigure.border_width, | |
af395ec1 RS |
3249 | &win_x, &win_y, |
3250 | ||
3251 | /* Child of win. */ | |
3252 | &child); | |
3253 | event.xconfigure.x = win_x; | |
3254 | event.xconfigure.y = win_y; | |
3255 | } | |
3256 | ||
dbc4e1c1 JB |
3257 | f->display.x->pixel_width = event.xconfigure.width; |
3258 | f->display.x->pixel_height = event.xconfigure.height; | |
3259 | f->display.x->left_pos = event.xconfigure.x; | |
3260 | f->display.x->top_pos = event.xconfigure.y; | |
3261 | } | |
3262 | break; | |
dc6f92b8 JB |
3263 | |
3264 | case ButtonPress: | |
3265 | case ButtonRelease: | |
3266 | { | |
3267 | /* If we decide we want to generate an event to be seen | |
3268 | by the rest of Emacs, we put it here. */ | |
3269 | struct input_event emacs_event; | |
3270 | emacs_event.kind = no_event; | |
3271 | ||
f676886a JB |
3272 | f = x_window_to_frame (event.xbutton.window); |
3273 | if (f) | |
f451eb13 JB |
3274 | { |
3275 | if (!x_focus_frame || (f == x_focus_frame)) | |
3276 | construct_mouse_click (&emacs_event, | |
b10fd412 | 3277 | &event, f); |
f451eb13 | 3278 | } |
dc6f92b8 | 3279 | else |
f451eb13 | 3280 | { |
ab648270 JB |
3281 | struct scroll_bar *bar = |
3282 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3283 | |
3284 | if (bar) | |
ab648270 | 3285 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
f451eb13 | 3286 | } |
dc6f92b8 JB |
3287 | |
3288 | if (numchars >= 1 && emacs_event.kind != no_event) | |
3289 | { | |
3290 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3291 | bufp++; | |
3292 | count++; | |
3293 | numchars--; | |
3294 | } | |
3295 | } | |
3296 | break; | |
3297 | ||
c118dd06 | 3298 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3299 | case ButtonPressed: |
3300 | case ButtonReleased: | |
f676886a JB |
3301 | f = x_window_to_frame (event.window); |
3302 | if (f) | |
dc6f92b8 | 3303 | { |
f676886a | 3304 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 3305 | { |
f676886a | 3306 | x_make_frame_visible (f); |
dc6f92b8 JB |
3307 | |
3308 | if (warp_mouse_on_deiconify) | |
c118dd06 | 3309 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
3310 | break; |
3311 | } | |
c118dd06 | 3312 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 3313 | { |
f676886a JB |
3314 | if (f->auto_raise) |
3315 | x_raise_frame (f); | |
dc6f92b8 JB |
3316 | } |
3317 | } | |
3318 | enqueue_event (&event, &x_mouse_queue); | |
3319 | if (numchars >= 2) | |
3320 | { | |
3321 | bufp->kind = ascii_keystroke; | |
3322 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 3323 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3324 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3325 | bufp++; |
3326 | ||
3327 | bufp->kind = ascii_keystroke; | |
3328 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 3329 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3330 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3331 | bufp++; |
3332 | ||
3333 | count += 2; | |
3334 | numchars -= 2; | |
3335 | } | |
3336 | break; | |
c118dd06 | 3337 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3338 | |
3339 | #ifdef HAVE_X11 | |
3340 | ||
3341 | case CirculateNotify: | |
3342 | break; | |
3343 | case CirculateRequest: | |
3344 | break; | |
3345 | ||
c118dd06 | 3346 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3347 | |
3348 | case MappingNotify: | |
11edeb03 JB |
3349 | /* Someone has changed the keyboard mapping - update the |
3350 | local cache. */ | |
3351 | switch (event.xmapping.request) | |
3352 | { | |
3353 | case MappingModifier: | |
3354 | x_find_modifier_meanings (); | |
3355 | /* This is meant to fall through. */ | |
3356 | case MappingKeyboard: | |
3357 | XRefreshKeyboardMapping (&event.xmapping); | |
3358 | } | |
dc6f92b8 JB |
3359 | break; |
3360 | ||
3361 | default: | |
3362 | break; | |
3363 | } | |
3364 | } | |
3365 | ||
dc6f92b8 JB |
3366 | #ifdef HAVE_SELECT |
3367 | if (expected && ! event_found) | |
3368 | { | |
3369 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3370 | there is an EOF condition; in other words, that X has died. | |
3371 | Act as if there had been a hangup. */ | |
dc6f92b8 | 3372 | int fd = ConnectionNumber (x_current_display); |
c34efc6c | 3373 | SELECT_TYPE mask; |
66f55a9d | 3374 | EMACS_TIME timeout; |
dc6f92b8 | 3375 | |
61c3ce62 RS |
3376 | FD_ZERO (&mask); |
3377 | FD_SET (fd, &mask); | |
66f55a9d JB |
3378 | EMACS_SET_SECS_USECS (timeout, 0, 0); |
3379 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, &timeout) | |
dc6f92b8 JB |
3380 | && !XStuffPending ()) |
3381 | kill (getpid (), SIGHUP); | |
3382 | } | |
61c3ce62 | 3383 | #endif /* HAVE_SELECT */ |
dc6f92b8 | 3384 | |
f451eb13 | 3385 | #ifndef HAVE_X11 |
f676886a | 3386 | if (updating_frame == 0) |
dc6f92b8 | 3387 | x_do_pending_expose (); |
f451eb13 | 3388 | #endif |
dc6f92b8 JB |
3389 | |
3390 | UNBLOCK_INPUT; | |
3391 | return count; | |
3392 | } | |
3393 | ||
3394 | #ifndef HAVE_X11 | |
3395 | /* Read and process only Expose events | |
3396 | until we get an ExposeCopy event; then return. | |
3397 | This is used in insert/delete line. | |
3398 | We assume input is already blocked. */ | |
3399 | ||
3400 | static void | |
3401 | x_read_exposes () | |
3402 | { | |
f676886a | 3403 | struct frame *f; |
dc6f92b8 JB |
3404 | XKeyPressedEvent event; |
3405 | ||
3406 | while (1) | |
3407 | { | |
3408 | /* while there are more events*/ | |
3409 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3410 | switch (event.type) | |
3411 | { | |
3412 | case ExposeWindow: | |
3413 | if (event.subwindow != 0) | |
3414 | break; /* duplicate event */ | |
f676886a JB |
3415 | f = x_window_to_frame (event.window); |
3416 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3417 | { |
f676886a | 3418 | refreshicon (f); |
dc6f92b8 JB |
3419 | break; |
3420 | } | |
c118dd06 | 3421 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3422 | { |
3423 | expose_all_windows = 1; | |
f676886a | 3424 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3425 | break; |
3426 | } | |
3427 | break; | |
3428 | ||
3429 | case ExposeRegion: | |
3430 | if (event.subwindow != 0) | |
3431 | break; /* duplicate event */ | |
f676886a JB |
3432 | f = x_window_to_frame (event.window); |
3433 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3434 | { |
f676886a | 3435 | refreshicon (f); |
dc6f92b8 JB |
3436 | break; |
3437 | } | |
3438 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3439 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3440 | break; |
3441 | /* Put the event on the queue of rectangles to redraw. */ | |
3442 | if (enqueue_event (&event, &x_expose_queue)) | |
3443 | /* If it is full, we can't record the rectangle, | |
3444 | so redraw this entire window. */ | |
3445 | { | |
3446 | /* Say must check all windows' needs_exposure flags. */ | |
3447 | expose_all_windows = 1; | |
f676886a | 3448 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3449 | } |
3450 | break; | |
3451 | ||
3452 | case ExposeCopy: | |
3453 | return; | |
3454 | } | |
3455 | } | |
3456 | } | |
3457 | #endif /* HAVE_X11 */ | |
3458 | ||
dc6f92b8 | 3459 | \f |
f451eb13 JB |
3460 | /* Drawing the cursor. */ |
3461 | ||
3462 | ||
dc6f92b8 JB |
3463 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3464 | ||
3465 | static void | |
f676886a JB |
3466 | x_draw_box (f) |
3467 | struct frame *f; | |
dc6f92b8 | 3468 | { |
12ba150f JB |
3469 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3470 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3471 | int width = FONT_WIDTH (f->display.x->font); |
3472 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3473 | |
3474 | #ifdef HAVE_X11 | |
c118dd06 | 3475 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3476 | f->display.x->cursor_gc, |
dc6f92b8 | 3477 | left, top, width - 1, height - 1); |
c118dd06 JB |
3478 | #else /* ! defined (HAVE_X11) */ |
3479 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3480 | left, top, width, 1, |
f676886a | 3481 | f->display.x->cursor_pixel); |
dc6f92b8 | 3482 | |
c118dd06 | 3483 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3484 | left, top, 1, height, |
f676886a | 3485 | f->display.x->cursor_pixel); |
dc6f92b8 | 3486 | |
c118dd06 | 3487 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3488 | left+width-1, top, 1, height, |
f676886a | 3489 | f->display.x->cursor_pixel); |
dc6f92b8 | 3490 | |
c118dd06 | 3491 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3492 | left, top+height-1, width, 1, |
f676886a | 3493 | f->display.x->cursor_pixel); |
c118dd06 | 3494 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3495 | } |
3496 | ||
f676886a | 3497 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3498 | and mark the cursor as not shown. |
3499 | This is used when the text where the cursor is | |
3500 | is about to be rewritten. */ | |
3501 | ||
3502 | static void | |
f676886a JB |
3503 | clear_cursor (f) |
3504 | struct frame *f; | |
dc6f92b8 JB |
3505 | { |
3506 | int mask; | |
3507 | ||
f451eb13 | 3508 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3509 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3510 | return; |
3511 | ||
3512 | #ifdef HAVE_X11 | |
f676886a | 3513 | x_display_cursor (f, 0); |
c118dd06 JB |
3514 | #else /* ! defined (HAVE_X11) */ |
3515 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3516 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3517 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3518 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3519 | f->display.x->background_pixel); | |
c118dd06 | 3520 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3521 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3522 | } |
3523 | ||
f676886a | 3524 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3525 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3526 | glyph drawn. */ | |
dc6f92b8 JB |
3527 | |
3528 | static void | |
f676886a JB |
3529 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3530 | struct frame *f; | |
dc6f92b8 | 3531 | int row, column; |
90e65f07 | 3532 | GLYPH glyph; |
dc6f92b8 JB |
3533 | int highlight; |
3534 | { | |
f676886a | 3535 | dumpglyphs (f, |
12ba150f JB |
3536 | CHAR_TO_PIXEL_COL (f, column), |
3537 | CHAR_TO_PIXEL_ROW (f, row), | |
07e34cb0 | 3538 | &glyph, 1, highlight); |
dc6f92b8 JB |
3539 | } |
3540 | ||
dc6f92b8 | 3541 | static void |
dbc4e1c1 | 3542 | x_display_bar_cursor (f, on) |
f676886a | 3543 | struct frame *f; |
dc6f92b8 JB |
3544 | int on; |
3545 | { | |
f676886a | 3546 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3547 | |
49d838ea JB |
3548 | /* This is pointless on invisible frames, and dangerous on garbaged |
3549 | frames; in the latter case, the frame may be in the midst of | |
3550 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3551 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
3552 | return; |
3553 | ||
3554 | if (! on && f->phys_cursor_x < 0) | |
3555 | return; | |
3556 | ||
f676886a | 3557 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3558 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3559 | if (f != updating_frame) |
1113d9db | 3560 | { |
f676886a JB |
3561 | curs_x = FRAME_CURSOR_X (f); |
3562 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3563 | } |
3564 | ||
dbc4e1c1 JB |
3565 | /* If there is anything wrong with the current cursor state, remove it. */ |
3566 | if (f->phys_cursor_x >= 0 | |
3567 | && (!on | |
3568 | || f->phys_cursor_x != curs_x | |
3569 | || f->phys_cursor_y != curs_y | |
3570 | || f->display.x->current_cursor != bar_cursor)) | |
3571 | { | |
3572 | /* Erase the cursor by redrawing the character underneath it. */ | |
3573 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3574 | f->phys_cursor_glyph, | |
3575 | current_glyphs->highlight[f->phys_cursor_y]); | |
3576 | f->phys_cursor_x = -1; | |
3577 | } | |
3578 | ||
3579 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3580 | if (on | |
3581 | && (f->phys_cursor_x < 0 | |
3582 | || (f->display.x->current_cursor != bar_cursor))) | |
3583 | { | |
3584 | f->phys_cursor_glyph | |
3585 | = ((current_glyphs->enable[curs_y] | |
3586 | && curs_x < current_glyphs->used[curs_y]) | |
3587 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3588 | : SPACEGLYPH); | |
3589 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3590 | f->display.x->cursor_gc, | |
3591 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3592 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3593 | 1, FONT_HEIGHT (f->display.x->font)); | |
3594 | ||
3595 | f->phys_cursor_x = curs_x; | |
3596 | f->phys_cursor_y = curs_y; | |
3597 | ||
3598 | f->display.x->current_cursor = bar_cursor; | |
3599 | } | |
3600 | ||
3601 | if (updating_frame != f) | |
3602 | XFlushQueue (); | |
3603 | } | |
3604 | ||
3605 | ||
3606 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3607 | If ON is nonzero, where to put the cursor is specified | |
3608 | by F->cursor_x and F->cursor_y. */ | |
3609 | ||
3610 | static void | |
3611 | x_display_box_cursor (f, on) | |
3612 | struct frame *f; | |
3613 | int on; | |
3614 | { | |
3615 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3616 | ||
49d838ea JB |
3617 | /* This is pointless on invisible frames, and dangerous on garbaged |
3618 | frames; in the latter case, the frame may be in the midst of | |
3619 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3620 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
3621 | return; |
3622 | ||
3623 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3624 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3625 | return; |
3626 | ||
dbc4e1c1 JB |
3627 | /* If we're not updating, then we want to use the current frame's |
3628 | cursor position, not our local idea of where the cursor ought to be. */ | |
3629 | if (f != updating_frame) | |
3630 | { | |
3631 | curs_x = FRAME_CURSOR_X (f); | |
3632 | curs_y = FRAME_CURSOR_Y (f); | |
3633 | } | |
3634 | ||
dc6f92b8 JB |
3635 | /* If cursor is currently being shown and we don't want it to be |
3636 | or it is in the wrong place, | |
3637 | or we want a hollow box and it's not so, (pout!) | |
3638 | erase it. */ | |
f676886a | 3639 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3640 | && (!on |
f676886a JB |
3641 | || f->phys_cursor_x != curs_x |
3642 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3643 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3644 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3645 | { |
3646 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3647 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3648 | f->phys_cursor_glyph, | |
3649 | current_glyphs->highlight[f->phys_cursor_y]); | |
3650 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3651 | } |
3652 | ||
3653 | /* If we want to show a cursor, | |
3654 | or we want a box cursor and it's not so, | |
3655 | write it in the right place. */ | |
3656 | if (on | |
f676886a | 3657 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3658 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3659 | && f == x_highlight_frame))) |
dc6f92b8 | 3660 | { |
f676886a | 3661 | f->phys_cursor_glyph |
1113d9db JB |
3662 | = ((current_glyphs->enable[curs_y] |
3663 | && curs_x < current_glyphs->used[curs_y]) | |
3664 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3665 | : SPACEGLYPH); |
f676886a | 3666 | if (f != x_highlight_frame) |
dc6f92b8 | 3667 | { |
f676886a | 3668 | x_draw_box (f); |
dbc4e1c1 | 3669 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3670 | } |
3671 | else | |
3672 | { | |
f676886a JB |
3673 | x_draw_single_glyph (f, curs_y, curs_x, |
3674 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3675 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3676 | } |
3677 | ||
f676886a JB |
3678 | f->phys_cursor_x = curs_x; |
3679 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3680 | } |
3681 | ||
f676886a | 3682 | if (updating_frame != f) |
dc6f92b8 JB |
3683 | XFlushQueue (); |
3684 | } | |
3685 | ||
f676886a JB |
3686 | x_display_cursor (f, on) |
3687 | struct frame *f; | |
dc6f92b8 JB |
3688 | int on; |
3689 | { | |
dbc4e1c1 | 3690 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3691 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3692 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3693 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3694 | else |
3695 | /* Those are the only two we have implemented! */ | |
3696 | abort (); | |
dc6f92b8 JB |
3697 | } |
3698 | \f | |
3699 | /* Icons. */ | |
3700 | ||
f676886a | 3701 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3702 | when we get an expose event for it. */ |
3703 | ||
f676886a JB |
3704 | refreshicon (f) |
3705 | struct frame *f; | |
dc6f92b8 JB |
3706 | { |
3707 | #ifdef HAVE_X11 | |
3708 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3709 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3710 | int mask; |
3711 | ||
f676886a JB |
3712 | if (f->display.x->icon_bitmap_flag) |
3713 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3714 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3715 | icon_bitmap, GXcopy, AllPlanes); | |
3716 | else | |
3717 | { | |
f676886a | 3718 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3719 | struct Lisp_String *str; |
3720 | unsigned char *string; | |
3721 | ||
3722 | string | |
f676886a | 3723 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3724 | |
f676886a | 3725 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3726 | { |
f676886a JB |
3727 | f->display.x->icon_label = string; |
3728 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3729 | XQueryWidth (string, icon_font_info->id) + 10, |
3730 | icon_font_info->height + 10); | |
3731 | } | |
3732 | ||
f676886a | 3733 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3734 | str->size, icon_font_info->id, |
3735 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3736 | } | |
3737 | XFlushQueue (); | |
c118dd06 | 3738 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3739 | } |
3740 | ||
dbc4e1c1 | 3741 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
3742 | |
3743 | int | |
f676886a JB |
3744 | x_bitmap_icon (f) |
3745 | struct frame *f; | |
dc6f92b8 JB |
3746 | { |
3747 | int mask; | |
3748 | Window icon_window; | |
3749 | ||
c118dd06 | 3750 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3751 | return 1; |
3752 | ||
3753 | #ifdef HAVE_X11 | |
8583db58 RS |
3754 | if (! icon_bitmap) |
3755 | icon_bitmap = | |
3756 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), | |
3757 | gnu_bits, gnu_width, gnu_height); | |
f676886a JB |
3758 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3759 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3760 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3761 | if (f->display.x->icon_desc) |
dc6f92b8 | 3762 | { |
c118dd06 | 3763 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3764 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3765 | } |
3766 | ||
f676886a | 3767 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3768 | 0, 0, sink_width, sink_height, |
3769 | 2, WhitePixmap, (Pixmap) NULL); | |
3770 | ||
3771 | if (icon_window == 0) | |
3772 | return 1; | |
3773 | ||
c118dd06 | 3774 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3775 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3776 | ||
f676886a JB |
3777 | f->display.x->icon_desc = icon_window; |
3778 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3779 | |
3780 | if (icon_bitmap == 0) | |
3781 | icon_bitmap | |
3782 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3783 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3784 | |
3785 | return 0; | |
3786 | } | |
3787 | ||
3788 | ||
f676886a | 3789 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3790 | |
3791 | int | |
f676886a JB |
3792 | x_text_icon (f, icon_name) |
3793 | struct frame *f; | |
dc6f92b8 JB |
3794 | char *icon_name; |
3795 | { | |
3796 | #ifndef HAVE_X11 | |
3797 | int mask; | |
3798 | int width; | |
3799 | Window icon_window; | |
3800 | char *X_DefaultValue; | |
3801 | Bitmap b1; | |
3802 | ||
dc6f92b8 JB |
3803 | #ifndef WhitePixel |
3804 | #define WhitePixel 1 | |
c118dd06 | 3805 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3806 | |
3807 | #ifndef BlackPixel | |
3808 | #define BlackPixel 0 | |
c118dd06 JB |
3809 | #endif /* BlackPixel */ |
3810 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3811 | |
c118dd06 | 3812 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3813 | return 1; |
3814 | ||
dc6f92b8 JB |
3815 | #ifdef HAVE_X11 |
3816 | if (icon_name) | |
f676886a | 3817 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3818 | else |
f676886a JB |
3819 | if (! f->display.x->icon_label) |
3820 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3821 | |
dfeccd2d | 3822 | #if 0 |
c118dd06 | 3823 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3824 | (char *) f->display.x->icon_label); |
dfeccd2d | 3825 | #endif |
dc6f92b8 | 3826 | |
f676886a | 3827 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3828 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3829 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
3830 | if (icon_font_info == 0) |
3831 | icon_font_info | |
3832 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 3833 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
3834 | "BodyFont")); |
3835 | ||
f676886a | 3836 | if (f->display.x->icon_desc) |
dc6f92b8 | 3837 | { |
c118dd06 | 3838 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3839 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3840 | } |
3841 | ||
3842 | if (icon_name) | |
f676886a | 3843 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3844 | else |
f676886a JB |
3845 | if (! f->display.x->icon_label) |
3846 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3847 | |
f676886a JB |
3848 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3849 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3850 | f->display.x->left_pos, | |
3851 | f->display.x->top_pos, | |
dc6f92b8 JB |
3852 | width + 10, icon_font_info->height + 10, |
3853 | 2, BlackPixmap, WhitePixmap); | |
3854 | ||
3855 | if (icon_window == 0) | |
3856 | return 1; | |
3857 | ||
c118dd06 | 3858 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3859 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3860 | ||
f676886a JB |
3861 | f->display.x->icon_desc = icon_window; |
3862 | f->display.x->icon_bitmap_flag = 0; | |
3863 | f->display.x->icon_label = 0; | |
c118dd06 | 3864 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3865 | |
3866 | return 0; | |
3867 | } | |
3868 | \f | |
4746118a JB |
3869 | /* Handling X errors. */ |
3870 | ||
12ba150f JB |
3871 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3872 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3873 | |
4746118a | 3874 | static SIGTYPE |
c118dd06 | 3875 | x_connection_closed () |
4746118a JB |
3876 | { |
3877 | if (_Xdebug) | |
3878 | abort (); | |
12ba150f | 3879 | |
1cd2d6d4 | 3880 | shut_down_emacs (0, 1, Qnil); |
12ba150f JB |
3881 | |
3882 | exit (70); | |
4746118a JB |
3883 | } |
3884 | ||
8922af5f JB |
3885 | /* An X error handler which prints an error message and then kills |
3886 | Emacs. This is what's normally installed as Xlib's handler for | |
3887 | protocol errors. */ | |
c118dd06 JB |
3888 | static int |
3889 | x_error_quitter (display, error) | |
3890 | Display *display; | |
3891 | XErrorEvent *error; | |
3892 | { | |
3893 | char buf[256]; | |
dc6f92b8 | 3894 | |
c118dd06 JB |
3895 | /* Note that there is no real way portable across R3/R4 to get the |
3896 | original error handler. */ | |
dc6f92b8 | 3897 | |
c118dd06 JB |
3898 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3899 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3900 | buf, error->request_code); | |
dc6f92b8 | 3901 | |
e09f9351 | 3902 | #if 0 |
12ba150f JB |
3903 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3904 | get an X error, so we can figure out why it happened. */ | |
3905 | abort (); | |
e09f9351 | 3906 | #endif |
12ba150f | 3907 | |
c118dd06 | 3908 | x_connection_closed (); |
dc6f92b8 JB |
3909 | } |
3910 | ||
8922af5f JB |
3911 | /* A handler for X IO errors which prints an error message and then |
3912 | kills Emacs. This is what is always installed as Xlib's handler | |
3913 | for I/O errors. */ | |
3914 | static int | |
3915 | x_io_error_quitter (display) | |
3916 | Display *display; | |
3917 | { | |
3918 | fprintf (stderr, "Connection to X server %s lost.\n", | |
3919 | XDisplayName (DisplayString (display))); | |
3920 | ||
e09f9351 | 3921 | #if 0 |
8922af5f JB |
3922 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3923 | get an X error, so we can figure out why it happened. */ | |
3924 | abort (); | |
e09f9351 | 3925 | #endif |
8922af5f JB |
3926 | |
3927 | x_connection_closed (); | |
3928 | } | |
3929 | ||
c118dd06 | 3930 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
3931 | static char *x_caught_error_message; |
3932 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
3933 | |
3934 | /* An X error handler which stores the error message in | |
3935 | x_caught_error_message. This is what's installed when | |
3936 | x_catch_errors is in effect. */ | |
3937 | static int | |
3938 | x_error_catcher (display, error) | |
3939 | Display *display; | |
3940 | XErrorEvent *error; | |
3941 | { | |
3942 | XGetErrorText (display, error->error_code, | |
cef13e55 | 3943 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
3944 | } |
3945 | ||
3946 | ||
3947 | /* Begin trapping X errors. | |
dc6f92b8 | 3948 | |
c118dd06 JB |
3949 | After calling this function, X protocol errors no longer cause |
3950 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3951 | |
c118dd06 JB |
3952 | Calling x_check_errors signals an Emacs error if an X error has |
3953 | occurred since the last call to x_catch_errors or x_check_errors. | |
3954 | ||
3955 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3956 | ||
3957 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3958 | ||
3959 | void | |
3960 | x_catch_errors () | |
dc6f92b8 | 3961 | { |
c118dd06 JB |
3962 | /* Make sure any errors from previous requests have been dealt with. */ |
3963 | XSync (x_current_display, False); | |
dc6f92b8 | 3964 | |
c118dd06 | 3965 | /* Set up the error buffer. */ |
60f9aad3 | 3966 | x_caught_error_message |
cef13e55 RS |
3967 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
3968 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 3969 | |
c118dd06 JB |
3970 | /* Install our little error handler. */ |
3971 | XHandleError (x_error_catcher); | |
3972 | } | |
16bd92ea | 3973 | |
c118dd06 JB |
3974 | /* If any X protocol errors have arrived since the last call to |
3975 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3976 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3977 | void | |
3978 | x_check_errors (format) | |
3979 | char *format; | |
3980 | { | |
3981 | /* Make sure to catch any errors incurred so far. */ | |
3982 | XSync (x_current_display, False); | |
16bd92ea | 3983 | |
cef13e55 | 3984 | if (x_caught_error_message[0]) |
c118dd06 | 3985 | { |
cef13e55 | 3986 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 3987 | |
cef13e55 | 3988 | sprintf (buf, format, x_caught_error_message); |
c118dd06 JB |
3989 | x_uncatch_errors (); |
3990 | error (buf); | |
3991 | } | |
3992 | } | |
3993 | ||
3994 | void | |
3995 | x_uncatch_errors () | |
3996 | { | |
9ac0d9e0 | 3997 | xfree (x_caught_error_message); |
cef13e55 | 3998 | x_caught_error_message = 0; |
c118dd06 | 3999 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
4000 | } |
4001 | ||
dc6f92b8 JB |
4002 | #if 0 |
4003 | static unsigned int x_wire_count; | |
4004 | x_trace_wire () | |
4005 | { | |
4006 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4007 | } | |
c118dd06 | 4008 | #endif /* ! 0 */ |
dc6f92b8 JB |
4009 | |
4010 | \f | |
f451eb13 JB |
4011 | /* Changing the font of the frame. */ |
4012 | ||
f676886a | 4013 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 4014 | to the font named NEWNAME. This is safe to use |
f676886a | 4015 | even before F has an actual x-window. */ |
dc6f92b8 JB |
4016 | |
4017 | #ifdef HAVE_X11 | |
4018 | ||
2224a5fc RS |
4019 | struct font_info |
4020 | { | |
4021 | XFontStruct *font; | |
4022 | char *name; | |
4023 | }; | |
4024 | ||
dc6f92b8 | 4025 | /* A table of all the fonts we have already loaded. */ |
2224a5fc | 4026 | static struct font_info *x_font_table; |
dc6f92b8 JB |
4027 | |
4028 | /* The current capacity of x_font_table. */ | |
4029 | static int x_font_table_size; | |
4030 | ||
4031 | /* The number of fonts actually stored in x_font_table. | |
4032 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
4033 | 0 <= n_fonts <= x_font_table_size. */ | |
4034 | static int n_fonts; | |
4035 | ||
b5cf7a0e | 4036 | Lisp_Object |
f676886a JB |
4037 | x_new_font (f, fontname) |
4038 | struct frame *f; | |
dc6f92b8 JB |
4039 | register char *fontname; |
4040 | { | |
dc6f92b8 JB |
4041 | int already_loaded; |
4042 | int n_matching_fonts; | |
4043 | XFontStruct *font_info; | |
4044 | char **font_names; | |
4045 | ||
4046 | /* Get a list of all the fonts that match this name. Once we | |
4047 | have a list of matching fonts, we compare them against the fonts | |
4048 | we already have by comparing font ids. */ | |
2224a5fc RS |
4049 | font_names = (char **) XListFonts (x_current_display, fontname, |
4050 | 1024, &n_matching_fonts); | |
0c94f6ee JB |
4051 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4052 | find any matches; font_names == 0 is the only clue. */ | |
4053 | if (! font_names) | |
4054 | n_matching_fonts = 0; | |
4055 | ||
5835f860 RS |
4056 | /* Don't just give up if n_matching_fonts is 0. |
4057 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4058 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 4059 | |
90e65f07 | 4060 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
4061 | already_loaded = -1; |
4062 | if (n_matching_fonts != 0) | |
4063 | { | |
4064 | int i, j; | |
dc6f92b8 | 4065 | |
5835f860 RS |
4066 | for (i = 0; i < n_fonts; i++) |
4067 | for (j = 0; j < n_matching_fonts; j++) | |
2224a5fc | 4068 | if (!strcmp (x_font_table[i].name, font_names[j])) |
5835f860 RS |
4069 | { |
4070 | already_loaded = i; | |
4071 | fontname = font_names[j]; | |
4072 | goto found_font; | |
4073 | } | |
4074 | } | |
dc6f92b8 JB |
4075 | found_font: |
4076 | ||
4077 | /* If we have, just return it from the table. */ | |
2224a5fc RS |
4078 | if (already_loaded >= 0) |
4079 | f->display.x->font = x_font_table[already_loaded].font; | |
90e65f07 | 4080 | |
dc6f92b8 JB |
4081 | /* Otherwise, load the font and add it to the table. */ |
4082 | else | |
4083 | { | |
9696f58b | 4084 | int i; |
dc6f92b8 JB |
4085 | XFontStruct *font; |
4086 | ||
9696f58b | 4087 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
4088 | #if 0 |
4089 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
4090 | for (i = 0; i < n_matching_fonts; i++) |
4091 | if (! font_info[i].per_char) | |
4092 | break; | |
f126bd67 JB |
4093 | #else |
4094 | i = 0; | |
4095 | #endif | |
9696f58b | 4096 | |
5835f860 RS |
4097 | /* See comment above. */ |
4098 | if (n_matching_fonts != 0) | |
9696f58b JB |
4099 | fontname = font_names[i]; |
4100 | ||
dc6f92b8 JB |
4101 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
4102 | if (! font) | |
5835f860 | 4103 | { |
2224a5fc | 4104 | /* Free the information from XListFonts. */ |
5835f860 | 4105 | if (n_matching_fonts) |
2224a5fc | 4106 | XFreeFontNames (font_names); |
5835f860 RS |
4107 | return Qnil; |
4108 | } | |
dc6f92b8 JB |
4109 | |
4110 | /* Do we need to create the table? */ | |
4111 | if (x_font_table_size == 0) | |
4112 | { | |
4113 | x_font_table_size = 16; | |
4114 | x_font_table | |
2224a5fc RS |
4115 | = (struct font_info *) xmalloc (x_font_table_size |
4116 | * sizeof (x_font_table[0])); | |
dc6f92b8 JB |
4117 | } |
4118 | /* Do we need to grow the table? */ | |
4119 | else if (n_fonts >= x_font_table_size) | |
4120 | { | |
90e65f07 | 4121 | x_font_table_size *= 2; |
dc6f92b8 | 4122 | x_font_table |
2224a5fc RS |
4123 | = (struct font_info *) xrealloc (x_font_table, |
4124 | (x_font_table_size | |
4125 | * sizeof (x_font_table[0]))); | |
dc6f92b8 JB |
4126 | } |
4127 | ||
dff815ef | 4128 | x_font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); |
2224a5fc RS |
4129 | bcopy (fontname, x_font_table[n_fonts].name, strlen (fontname) + 1); |
4130 | f->display.x->font = x_font_table[n_fonts++].font = font; | |
dc6f92b8 | 4131 | } |
2224a5fc | 4132 | |
f676886a | 4133 | /* Now make the frame display the given font. */ |
c118dd06 | 4134 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4135 | { |
f676886a JB |
4136 | XSetFont (x_current_display, f->display.x->normal_gc, |
4137 | f->display.x->font->fid); | |
4138 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
4139 | f->display.x->font->fid); | |
4140 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
4141 | f->display.x->font->fid); | |
4142 | ||
4143 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
4144 | } |
4145 | ||
b5cf7a0e JB |
4146 | { |
4147 | Lisp_Object lispy_name = build_string (fontname); | |
4148 | ||
4149 | ||
2224a5fc | 4150 | /* Free the information from XListFonts. The data |
b5cf7a0e | 4151 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 4152 | XFreeFontNames (font_names); |
b5cf7a0e JB |
4153 | |
4154 | return lispy_name; | |
4155 | } | |
dc6f92b8 | 4156 | } |
c118dd06 | 4157 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
4158 | x_new_font (f, newname) |
4159 | struct frame *f; | |
dc6f92b8 JB |
4160 | register char *newname; |
4161 | { | |
4162 | FONT_TYPE *temp; | |
4163 | int mask; | |
4164 | ||
4165 | temp = XGetFont (newname); | |
4166 | if (temp == (FONT_TYPE *) 0) | |
4167 | return 1; | |
4168 | ||
f676886a JB |
4169 | if (f->display.x->font) |
4170 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 4171 | |
f676886a | 4172 | f->display.x->font = temp; |
dc6f92b8 | 4173 | |
c118dd06 | 4174 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 4175 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
4176 | |
4177 | return 0; | |
4178 | } | |
c118dd06 | 4179 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4180 | \f |
f451eb13 JB |
4181 | /* X Window sizes and positions. */ |
4182 | ||
f676886a JB |
4183 | x_calc_absolute_position (f) |
4184 | struct frame *f; | |
dc6f92b8 JB |
4185 | { |
4186 | #ifdef HAVE_X11 | |
6dba1858 RS |
4187 | Window win, child; |
4188 | int win_x = 0, win_y = 0; | |
4189 | ||
4190 | /* Find the position of the outside upper-left corner of | |
4191 | the inner window, with respect to the outer window. */ | |
4192 | if (f->display.x->parent_desc != ROOT_WINDOW) | |
4193 | { | |
4194 | BLOCK_INPUT; | |
4195 | XTranslateCoordinates (x_current_display, | |
4196 | ||
4197 | /* From-window, to-window. */ | |
4198 | f->display.x->window_desc, | |
4199 | f->display.x->parent_desc, | |
4200 | ||
4201 | /* From-position, to-position. */ | |
4202 | 0, 0, &win_x, &win_y, | |
4203 | ||
4204 | /* Child of win. */ | |
4205 | &child); | |
4206 | UNBLOCK_INPUT; | |
4207 | } | |
4208 | ||
4209 | /* Treat negative positions as relative to the leftmost bottommost | |
4210 | position that fits on the screen. */ | |
f676886a | 4211 | if (f->display.x->left_pos < 0) |
31ea78fd | 4212 | f->display.x->left_pos = (x_screen_width |
6dba1858 | 4213 | - f->display.x->border_width - win_x |
31ea78fd JB |
4214 | - PIXEL_WIDTH (f) |
4215 | + f->display.x->left_pos); | |
dc6f92b8 | 4216 | |
f676886a | 4217 | if (f->display.x->top_pos < 0) |
31ea78fd | 4218 | f->display.x->top_pos = (x_screen_height |
6dba1858 | 4219 | - f->display.x->border_width - win_y |
31ea78fd JB |
4220 | - PIXEL_HEIGHT (f) |
4221 | + f->display.x->top_pos); | |
6dba1858 | 4222 | |
c118dd06 | 4223 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4224 | WINDOWINFO_TYPE parentinfo; |
4225 | ||
c118dd06 | 4226 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 4227 | |
f676886a JB |
4228 | if (f->display.x->left_pos < 0) |
4229 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
4230 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 4231 | |
f676886a JB |
4232 | if (f->display.x->top_pos < 0) |
4233 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
4234 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 4235 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4236 | } |
4237 | ||
f676886a JB |
4238 | x_set_offset (f, xoff, yoff) |
4239 | struct frame *f; | |
dc6f92b8 JB |
4240 | register int xoff, yoff; |
4241 | { | |
f676886a JB |
4242 | f->display.x->top_pos = yoff; |
4243 | f->display.x->left_pos = xoff; | |
4244 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
4245 | |
4246 | BLOCK_INPUT; | |
c118dd06 | 4247 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 4248 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 4249 | #ifdef HAVE_X11 |
6dba1858 | 4250 | x_wm_set_size_hint (f, 0, xoff, yoff); |
c118dd06 | 4251 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4252 | UNBLOCK_INPUT; |
4253 | } | |
4254 | ||
f676886a | 4255 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 4256 | |
f676886a JB |
4257 | x_set_window_size (f, cols, rows) |
4258 | struct frame *f; | |
b1c884c3 | 4259 | int cols, rows; |
dc6f92b8 JB |
4260 | { |
4261 | int pixelwidth, pixelheight; | |
4262 | int mask; | |
dc6f92b8 JB |
4263 | |
4264 | BLOCK_INPUT; | |
4265 | ||
b1c884c3 | 4266 | check_frame_size (f, &rows, &cols); |
6dba1858 RS |
4267 | f->display.x->vertical_scroll_bar_extra |
4268 | = (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
4269 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
4270 | : 0); | |
f451eb13 JB |
4271 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
4272 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
4273 | |
4274 | #ifdef HAVE_X11 | |
6dba1858 | 4275 | x_wm_set_size_hint (f, 0, 0, 0); |
c118dd06 JB |
4276 | #endif /* ! defined (HAVE_X11) */ |
4277 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
4278 | |
4279 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4280 | but the window manager will get around to dealing with the size | |
4281 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4282 | ConfigureNotify event gets here. |
4283 | ||
4284 | We could just not bother storing any of this information here, | |
4285 | and let the ConfigureNotify event set everything up, but that | |
4286 | might be kind of confusing to the lisp code, since size changes | |
4287 | wouldn't be reported in the frame parameters until some random | |
4288 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4289 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4290 | PIXEL_WIDTH (f) = pixelwidth; |
4291 | PIXEL_HEIGHT (f) = pixelheight; | |
4292 | ||
dbc4e1c1 JB |
4293 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4294 | receive in the ConfigureNotify event; if we get what we asked | |
4295 | for, then the event won't cause the screen to become garbaged, so | |
4296 | we have to make sure to do it here. */ | |
4297 | SET_FRAME_GARBAGED (f); | |
4298 | ||
dc6f92b8 JB |
4299 | XFlushQueue (); |
4300 | UNBLOCK_INPUT; | |
4301 | } | |
4302 | ||
4303 | #ifndef HAVE_X11 | |
f676886a JB |
4304 | x_set_resize_hint (f) |
4305 | struct frame *f; | |
dc6f92b8 | 4306 | { |
12ba150f JB |
4307 | XSetResizeHint (FRAME_X_WINDOW (f), |
4308 | 2 * f->display.x->internal_border_width, | |
f676886a | 4309 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
4310 | FONT_WIDTH (f->display.x->font), |
4311 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 4312 | } |
c118dd06 | 4313 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4314 | \f |
f451eb13 | 4315 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4316 | |
f676886a JB |
4317 | x_set_mouse_position (f, x, y) |
4318 | struct frame *f; | |
dc6f92b8 JB |
4319 | int x, y; |
4320 | { | |
4321 | int pix_x, pix_y; | |
4322 | ||
f676886a | 4323 | x_raise_frame (f); |
dc6f92b8 | 4324 | |
12ba150f JB |
4325 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
4326 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
4327 | |
4328 | if (pix_x < 0) pix_x = 0; | |
4329 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4330 | ||
4331 | if (pix_y < 0) pix_y = 0; | |
4332 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4333 | |
4334 | BLOCK_INPUT; | |
dc6f92b8 | 4335 | |
c118dd06 | 4336 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
4337 | UNBLOCK_INPUT; |
4338 | } | |
4339 | ||
4340 | #ifdef HAVE_X11 | |
f676886a JB |
4341 | x_focus_on_frame (f) |
4342 | struct frame *f; | |
dc6f92b8 | 4343 | { |
1fb20991 | 4344 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 4345 | x_raise_frame (f); |
1fb20991 | 4346 | #endif |
6d4238f3 JB |
4347 | #if 0 |
4348 | /* I don't think that the ICCCM allows programs to do things like this | |
4349 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4350 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 4351 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 4352 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4353 | #endif /* ! 0 */ |
dc6f92b8 JB |
4354 | } |
4355 | ||
f676886a JB |
4356 | x_unfocus_frame (f) |
4357 | struct frame *f; | |
dc6f92b8 | 4358 | { |
6d4238f3 | 4359 | #if 0 |
f676886a JB |
4360 | /* Look at the remarks in x_focus_on_frame. */ |
4361 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4362 | XSetInputFocus (x_current_display, PointerRoot, |
4363 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4364 | #endif /* ! 0 */ |
dc6f92b8 JB |
4365 | } |
4366 | ||
c118dd06 | 4367 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4368 | |
f676886a | 4369 | /* Raise frame F. */ |
dc6f92b8 | 4370 | |
f676886a JB |
4371 | x_raise_frame (f) |
4372 | struct frame *f; | |
dc6f92b8 | 4373 | { |
3a88c238 | 4374 | if (f->async_visible) |
dc6f92b8 JB |
4375 | { |
4376 | BLOCK_INPUT; | |
c118dd06 | 4377 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4378 | XFlushQueue (); |
4379 | UNBLOCK_INPUT; | |
4380 | } | |
4381 | } | |
4382 | ||
f676886a | 4383 | /* Lower frame F. */ |
dc6f92b8 | 4384 | |
f676886a JB |
4385 | x_lower_frame (f) |
4386 | struct frame *f; | |
dc6f92b8 | 4387 | { |
3a88c238 | 4388 | if (f->async_visible) |
dc6f92b8 JB |
4389 | { |
4390 | BLOCK_INPUT; | |
c118dd06 | 4391 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4392 | XFlushQueue (); |
4393 | UNBLOCK_INPUT; | |
4394 | } | |
4395 | } | |
4396 | ||
dbc4e1c1 JB |
4397 | static void |
4398 | XTframe_raise_lower (f, raise) | |
4399 | FRAME_PTR f; | |
4400 | int raise; | |
4401 | { | |
4402 | if (raise) | |
4403 | x_raise_frame (f); | |
4404 | else | |
4405 | x_lower_frame (f); | |
4406 | } | |
4407 | ||
4408 | ||
dc6f92b8 JB |
4409 | /* Change from withdrawn state to mapped state. */ |
4410 | ||
f676886a JB |
4411 | x_make_frame_visible (f) |
4412 | struct frame *f; | |
dc6f92b8 JB |
4413 | { |
4414 | int mask; | |
4415 | ||
dc6f92b8 | 4416 | BLOCK_INPUT; |
dc6f92b8 | 4417 | |
f676886a | 4418 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
4419 | { |
4420 | #ifdef HAVE_X11 | |
4421 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4422 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 4423 | |
c118dd06 | 4424 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
ab648270 | 4425 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
4426 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4427 | #else /* ! defined (HAVE_X11) */ | |
4428 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4429 | if (f->display.x->icon_desc != 0) |
4430 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4431 | |
90e65f07 | 4432 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4433 | f->async_visible = 1; |
4434 | f->async_iconified = 0; | |
dc6f92b8 | 4435 | |
f676886a | 4436 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4437 | XTcursor_to (0, 0); |
c118dd06 | 4438 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4439 | } |
dc6f92b8 | 4440 | |
dc6f92b8 | 4441 | XFlushQueue (); |
90e65f07 | 4442 | |
dc6f92b8 JB |
4443 | UNBLOCK_INPUT; |
4444 | } | |
4445 | ||
4446 | /* Change from mapped state to withdrawn state. */ | |
4447 | ||
f676886a JB |
4448 | x_make_frame_invisible (f) |
4449 | struct frame *f; | |
dc6f92b8 JB |
4450 | { |
4451 | int mask; | |
4452 | ||
9319ae23 RS |
4453 | /* Don't keep the highlight on an invisible frame. */ |
4454 | if (x_highlight_frame == f) | |
4455 | x_highlight_frame = 0; | |
4456 | ||
4457 | if (! f->async_visible && ! f->async_iconified) | |
dc6f92b8 JB |
4458 | return; |
4459 | ||
4460 | BLOCK_INPUT; | |
c118dd06 JB |
4461 | |
4462 | #ifdef HAVE_X11R4 | |
4463 | ||
4464 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
4465 | DefaultScreen (x_current_display))) | |
4466 | { | |
4467 | UNBLOCK_INPUT_RESIGNAL; | |
eb8c3be9 | 4468 | error ("can't notify window manager of window withdrawal"); |
c118dd06 JB |
4469 | } |
4470 | ||
4471 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4472 | #ifdef HAVE_X11 |
16bd92ea | 4473 | |
c118dd06 | 4474 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4475 | if (! EQ (Vx_no_window_manager, Qt)) |
4476 | { | |
16bd92ea | 4477 | XEvent unmap; |
dc6f92b8 | 4478 | |
16bd92ea | 4479 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 4480 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4481 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4482 | unmap.xunmap.from_configure = False; | |
4483 | if (! XSendEvent (x_current_display, | |
4484 | DefaultRootWindow (x_current_display), | |
4485 | False, | |
4486 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4487 | &unmap)) | |
4488 | { | |
4489 | UNBLOCK_INPUT_RESIGNAL; | |
4490 | error ("can't notify window manager of withdrawal"); | |
4491 | } | |
dc6f92b8 JB |
4492 | } |
4493 | ||
16bd92ea | 4494 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
4495 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
4496 | ||
4497 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 4498 | |
c118dd06 | 4499 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4500 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4501 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4502 | XUnmapWindow (f->display.x->icon_desc); |
4503 | ||
4504 | #endif /* ! defined (HAVE_X11) */ | |
4505 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4506 | |
4507 | XFlushQueue (); | |
4508 | UNBLOCK_INPUT; | |
4509 | } | |
4510 | ||
dc6f92b8 JB |
4511 | /* Change window state from mapped to iconified. */ |
4512 | ||
f676886a JB |
4513 | x_iconify_frame (f) |
4514 | struct frame *f; | |
dc6f92b8 JB |
4515 | { |
4516 | int mask; | |
4517 | ||
9319ae23 RS |
4518 | /* Don't keep the highlight on an invisible frame. */ |
4519 | if (x_highlight_frame == f) | |
4520 | x_highlight_frame = 0; | |
4521 | ||
3a88c238 | 4522 | if (f->async_iconified) |
dc6f92b8 JB |
4523 | return; |
4524 | ||
4525 | BLOCK_INPUT; | |
4526 | ||
4527 | #ifdef HAVE_X11 | |
16bd92ea JB |
4528 | /* Since we don't know which revision of X we're running, we'll use both |
4529 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4530 | ||
4531 | /* X11R4: send a ClientMessage to the window manager using the | |
4532 | WM_CHANGE_STATE type. */ | |
4533 | { | |
4534 | XEvent message; | |
4535 | ||
c118dd06 | 4536 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4537 | message.xclient.type = ClientMessage; |
4538 | message.xclient.message_type = Xatom_wm_change_state; | |
4539 | message.xclient.format = 32; | |
4540 | message.xclient.data.l[0] = IconicState; | |
4541 | ||
4542 | if (! XSendEvent (x_current_display, | |
4543 | DefaultRootWindow (x_current_display), | |
4544 | False, | |
4545 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4546 | &message)) | |
dc6f92b8 JB |
4547 | { |
4548 | UNBLOCK_INPUT_RESIGNAL; | |
4549 | error ("Can't notify window manager of iconification."); | |
4550 | } | |
16bd92ea | 4551 | } |
dc6f92b8 | 4552 | |
16bd92ea JB |
4553 | /* X11R3: set the initial_state field of the window manager hints to |
4554 | IconicState. */ | |
4555 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4556 | |
a9c00105 RS |
4557 | if (!FRAME_VISIBLE_P (f)) |
4558 | { | |
4559 | /* If the frame was withdrawn, before, we must map it. */ | |
4560 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
4561 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
4562 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); | |
4563 | } | |
4564 | ||
3a88c238 | 4565 | f->async_iconified = 1; |
c118dd06 JB |
4566 | #else /* ! defined (HAVE_X11) */ |
4567 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4568 | |
3a88c238 | 4569 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4570 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4571 | { |
f676886a JB |
4572 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4573 | refreshicon (f); | |
dc6f92b8 | 4574 | } |
c118dd06 | 4575 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4576 | |
4577 | XFlushQueue (); | |
4578 | UNBLOCK_INPUT; | |
4579 | } | |
4580 | ||
c0ff3fab | 4581 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4582 | |
c0ff3fab | 4583 | x_destroy_window (f) |
f676886a | 4584 | struct frame *f; |
dc6f92b8 | 4585 | { |
dc6f92b8 | 4586 | BLOCK_INPUT; |
c0ff3fab JB |
4587 | |
4588 | if (f->display.x->icon_desc != 0) | |
4589 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4590 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
07e34cb0 | 4591 | free_frame_faces (f); |
dc6f92b8 | 4592 | XFlushQueue (); |
dc6f92b8 | 4593 | |
9ac0d9e0 | 4594 | xfree (f->display.x); |
c0ff3fab | 4595 | f->display.x = 0; |
f676886a JB |
4596 | if (f == x_focus_frame) |
4597 | x_focus_frame = 0; | |
4598 | if (f == x_highlight_frame) | |
4599 | x_highlight_frame = 0; | |
c0ff3fab JB |
4600 | |
4601 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4602 | } |
4603 | \f | |
f451eb13 JB |
4604 | /* Manage event queues for X10. */ |
4605 | ||
dc6f92b8 JB |
4606 | #ifndef HAVE_X11 |
4607 | ||
4608 | /* Manage event queues. | |
4609 | ||
4610 | This code is only used by the X10 support. | |
4611 | ||
4612 | We cannot leave events in the X queue and get them when we are ready | |
4613 | because X does not provide a subroutine to get only a certain kind | |
4614 | of event but not block if there are no queued events of that kind. | |
4615 | ||
4616 | Therefore, we must examine events as they come in and copy events | |
4617 | of certain kinds into our private queues. | |
4618 | ||
4619 | All ExposeRegion events are put in x_expose_queue. | |
4620 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4621 | ||
4622 | ||
4623 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4624 | If the queue is full, do nothing, but return nonzero. */ | |
4625 | ||
4626 | int | |
4627 | enqueue_event (p_xrep, queue) | |
4628 | register XEvent *p_xrep; | |
4629 | register struct event_queue *queue; | |
4630 | { | |
4631 | int newindex = queue->windex + 1; | |
4632 | if (newindex == EVENT_BUFFER_SIZE) | |
4633 | newindex = 0; | |
4634 | if (newindex == queue->rindex) | |
4635 | return -1; | |
4636 | queue->xrep[queue->windex] = *p_xrep; | |
4637 | queue->windex = newindex; | |
4638 | return 0; | |
4639 | } | |
4640 | ||
4641 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4642 | If *QUEUE is empty, do nothing and return 0. */ | |
4643 | ||
4644 | int | |
4645 | dequeue_event (p_xrep, queue) | |
4646 | register XEvent *p_xrep; | |
4647 | register struct event_queue *queue; | |
4648 | { | |
4649 | if (queue->windex == queue->rindex) | |
4650 | return 0; | |
4651 | *p_xrep = queue->xrep[queue->rindex++]; | |
4652 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4653 | queue->rindex = 0; | |
4654 | return 1; | |
4655 | } | |
4656 | ||
4657 | /* Return the number of events buffered in *QUEUE. */ | |
4658 | ||
4659 | int | |
4660 | queue_event_count (queue) | |
4661 | register struct event_queue *queue; | |
4662 | { | |
4663 | int tem = queue->windex - queue->rindex; | |
4664 | if (tem >= 0) | |
4665 | return tem; | |
4666 | return EVENT_BUFFER_SIZE + tem; | |
4667 | } | |
4668 | ||
4669 | /* Return nonzero if mouse input is pending. */ | |
4670 | ||
4671 | int | |
4672 | mouse_event_pending_p () | |
4673 | { | |
4674 | return queue_event_count (&x_mouse_queue); | |
4675 | } | |
c118dd06 | 4676 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4677 | \f |
f451eb13 JB |
4678 | /* Setting window manager hints. */ |
4679 | ||
dc6f92b8 JB |
4680 | #ifdef HAVE_X11 |
4681 | ||
6dba1858 RS |
4682 | /* SPEC_X and SPEC_Y are the specified positions. |
4683 | We look only at their sign, to decide the gravity. */ | |
4684 | ||
4685 | x_wm_set_size_hint (f, prompting, spec_x, spec_y) | |
f676886a | 4686 | struct frame *f; |
dc6f92b8 | 4687 | long prompting; |
6dba1858 | 4688 | int spec_x, spec_y; |
dc6f92b8 JB |
4689 | { |
4690 | XSizeHints size_hints; | |
c118dd06 | 4691 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4692 | |
f7f79491 | 4693 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; |
dc6f92b8 | 4694 | |
f676886a JB |
4695 | flexlines = f->height; |
4696 | ||
4697 | size_hints.x = f->display.x->left_pos; | |
4698 | size_hints.y = f->display.x->top_pos; | |
4699 | size_hints.height = PIXEL_HEIGHT (f); | |
4700 | size_hints.width = PIXEL_WIDTH (f); | |
4701 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4702 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
f7f79491 | 4703 | #if 0 |
12ba150f JB |
4704 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4705 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f7f79491 | 4706 | #endif |
b1c884c3 | 4707 | { |
b0342f17 JB |
4708 | int base_width, base_height; |
4709 | ||
f451eb13 JB |
4710 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4711 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4712 | |
4713 | { | |
4714 | int min_rows = 0, min_cols = 0; | |
4715 | check_frame_size (f, &min_rows, &min_cols); | |
4716 | ||
4717 | /* The window manager uses the base width hints to calculate the | |
4718 | current number of rows and columns in the frame while | |
4719 | resizing; min_width and min_height aren't useful for this | |
4720 | purpose, since they might not give the dimensions for a | |
4721 | zero-row, zero-column frame. | |
4722 | ||
4723 | We use the base_width and base_height members if we have | |
4724 | them; otherwise, we set the min_width and min_height members | |
4725 | to the size for a zero x zero frame. */ | |
4726 | ||
4727 | #ifdef HAVE_X11R4 | |
4728 | size_hints.flags |= PBaseSize; | |
4729 | size_hints.base_width = base_width; | |
4730 | size_hints.base_height = base_height; | |
4731 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4732 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4733 | #else | |
4734 | size_hints.min_width = base_width; | |
4735 | size_hints.min_height = base_height; | |
4736 | #endif | |
4737 | } | |
b1c884c3 | 4738 | |
b1c884c3 | 4739 | } |
dc6f92b8 JB |
4740 | |
4741 | if (prompting) | |
4742 | size_hints.flags |= prompting; | |
4743 | else | |
4744 | { | |
4745 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4746 | ||
82ee0df4 RS |
4747 | if (XGetNormalHints (x_current_display, window, &hints) == 0) |
4748 | hints.flags = 0; | |
dc6f92b8 JB |
4749 | if (hints.flags & PSize) |
4750 | size_hints.flags |= PSize; | |
4751 | if (hints.flags & PPosition) | |
4752 | size_hints.flags |= PPosition; | |
4753 | if (hints.flags & USPosition) | |
4754 | size_hints.flags |= USPosition; | |
4755 | if (hints.flags & USSize) | |
4756 | size_hints.flags |= USSize; | |
4757 | } | |
2554751d | 4758 | #if defined (PWinGravity) |
6dba1858 RS |
4759 | switch (((spec_x < 0) << 1) + (spec_y < 0)) |
4760 | { | |
4761 | case 0: | |
4762 | size_hints.win_gravity = NorthWestGravity; | |
4763 | break; | |
4764 | case 1: | |
4765 | size_hints.win_gravity = SouthWestGravity; | |
4766 | break; | |
4767 | case 2: | |
4768 | size_hints.win_gravity = NorthEastGravity; | |
4769 | break; | |
4770 | case 3: | |
4771 | size_hints.win_gravity = SouthEastGravity; | |
4772 | break; | |
4773 | } | |
4774 | size_hints.flags |= PWinGravity; | |
2554751d | 4775 | #endif /* PWinGravity */ |
6dba1858 | 4776 | |
b0342f17 JB |
4777 | #ifdef HAVE_X11R4 |
4778 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4779 | #else | |
dc6f92b8 | 4780 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4781 | #endif |
dc6f92b8 JB |
4782 | } |
4783 | ||
4784 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4785 | x_wm_set_window_state (f, state) |
4786 | struct frame *f; | |
dc6f92b8 JB |
4787 | int state; |
4788 | { | |
c118dd06 | 4789 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4790 | |
16bd92ea JB |
4791 | f->display.x->wm_hints.flags |= StateHint; |
4792 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4793 | |
16bd92ea | 4794 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4795 | } |
4796 | ||
f676886a JB |
4797 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4798 | struct frame *f; | |
dc6f92b8 JB |
4799 | Pixmap icon_pixmap; |
4800 | { | |
c118dd06 | 4801 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4802 | |
dbc4e1c1 JB |
4803 | if (icon_pixmap) |
4804 | { | |
4805 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
4806 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
4807 | } | |
4808 | else | |
4809 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 4810 | |
16bd92ea | 4811 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4812 | } |
4813 | ||
f676886a JB |
4814 | x_wm_set_icon_position (f, icon_x, icon_y) |
4815 | struct frame *f; | |
dc6f92b8 JB |
4816 | int icon_x, icon_y; |
4817 | { | |
c118dd06 | 4818 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4819 | |
16bd92ea JB |
4820 | f->display.x->wm_hints.flags |= IconPositionHint; |
4821 | f->display.x->wm_hints.icon_x = icon_x; | |
4822 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4823 | |
16bd92ea | 4824 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4825 | } |
4826 | ||
4827 | \f | |
f451eb13 JB |
4828 | /* Initialization. */ |
4829 | ||
dc6f92b8 JB |
4830 | void |
4831 | x_term_init (display_name) | |
4832 | char *display_name; | |
4833 | { | |
f676886a | 4834 | Lisp_Object frame; |
dc6f92b8 | 4835 | char *defaultvalue; |
041b69ac | 4836 | #ifndef F_SETOWN_BUG |
dc6f92b8 JB |
4837 | #ifdef F_SETOWN |
4838 | extern int old_fcntl_owner; | |
c118dd06 | 4839 | #endif /* ! defined (F_SETOWN) */ |
041b69ac | 4840 | #endif /* F_SETOWN_BUG */ |
6d4238f3 | 4841 | |
f676886a | 4842 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4843 | |
4844 | x_current_display = XOpenDisplay (display_name); | |
4845 | if (x_current_display == 0) | |
041b69ac JB |
4846 | fatal ("X server %s not responding.\n\ |
4847 | Check the DISPLAY environment variable or use \"-d\"\n", | |
dc6f92b8 JB |
4848 | display_name); |
4849 | ||
4850 | #ifdef HAVE_X11 | |
4851 | { | |
16bd92ea | 4852 | int hostname_size = 256; |
60fb3ee1 JB |
4853 | |
4854 | hostname = (char *) xmalloc (hostname_size); | |
4855 | ||
dc6f92b8 JB |
4856 | #if 0 |
4857 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4858 | #endif /* ! 0 */ |
dc6f92b8 | 4859 | |
60fb3ee1 JB |
4860 | /* Try to get the host name; if the buffer is too short, try |
4861 | again. Apparently, the only indication gethostname gives of | |
4862 | whether the buffer was large enough is the presence or absence | |
4863 | of a '\0' in the string. Eech. */ | |
4864 | for (;;) | |
4865 | { | |
4866 | gethostname (hostname, hostname_size - 1); | |
4867 | hostname[hostname_size - 1] = '\0'; | |
4868 | ||
4869 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4870 | if (strlen (hostname) < hostname_size - 1) | |
4871 | break; | |
4872 | ||
4873 | hostname_size <<= 1; | |
4874 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4875 | } | |
59653951 | 4876 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
4877 | + strlen (hostname) |
4878 | + 2); | |
59653951 | 4879 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 4880 | } |
28430d3c JB |
4881 | |
4882 | /* Figure out which modifier bits mean what. */ | |
4883 | x_find_modifier_meanings (); | |
f451eb13 | 4884 | |
ab648270 | 4885 | /* Get the scroll bar cursor. */ |
d56a553a RS |
4886 | x_vertical_scroll_bar_cursor |
4887 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 4888 | |
d56a553a | 4889 | #if 0 |
28430d3c JB |
4890 | /* Watch for PropertyNotify events on the root window; we use them |
4891 | to figure out when to invalidate our cache of the cut buffers. */ | |
4892 | x_watch_cut_buffer_cache (); | |
d56a553a | 4893 | #endif |
28430d3c | 4894 | |
a4fc7360 | 4895 | if (ConnectionNumber (x_current_display) != 0) |
61c3ce62 RS |
4896 | change_keyboard_wait_descriptor (ConnectionNumber (x_current_display)); |
4897 | change_input_fd (ConnectionNumber (x_current_display)); | |
6d4238f3 | 4898 | |
c118dd06 | 4899 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4900 | |
041b69ac | 4901 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 4902 | #ifdef F_SETOWN |
61c3ce62 | 4903 | old_fcntl_owner = fcntl (ConnectionNumber (x_current_display), F_GETOWN, 0); |
dc6f92b8 | 4904 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 RS |
4905 | /* stdin is a socket here */ |
4906 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, -getpid ()); | |
c118dd06 | 4907 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
61c3ce62 | 4908 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, getpid ()); |
c118dd06 JB |
4909 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4910 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 4911 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
4912 | |
4913 | #ifdef SIGIO | |
4914 | init_sigio (); | |
c118dd06 | 4915 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 4916 | |
dc6f92b8 JB |
4917 | expose_all_windows = 0; |
4918 | ||
f676886a | 4919 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4920 | clear_end_of_line_hook = XTclear_end_of_line; |
4921 | ins_del_lines_hook = XTins_del_lines; | |
4922 | change_line_highlight_hook = XTchange_line_highlight; | |
4923 | insert_glyphs_hook = XTinsert_glyphs; | |
4924 | write_glyphs_hook = XTwrite_glyphs; | |
4925 | delete_glyphs_hook = XTdelete_glyphs; | |
4926 | ring_bell_hook = XTring_bell; | |
4927 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4928 | set_terminal_modes_hook = XTset_terminal_modes; | |
4929 | update_begin_hook = XTupdate_begin; | |
4930 | update_end_hook = XTupdate_end; | |
4931 | set_terminal_window_hook = XTset_terminal_window; | |
4932 | read_socket_hook = XTread_socket; | |
4933 | cursor_to_hook = XTcursor_to; | |
4934 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4935 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4936 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 4937 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
4938 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
4939 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
4940 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
4941 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 4942 | |
f676886a | 4943 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4944 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4945 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4946 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4947 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4948 | off the bottom */ |
4949 | baud_rate = 19200; | |
4950 | ||
b30b24cb RS |
4951 | /* Try to use interrupt input; if we can't, then start polling. */ |
4952 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4953 | ||
c118dd06 JB |
4954 | /* Note that there is no real way portable across R3/R4 to get the |
4955 | original error handler. */ | |
4956 | XHandleError (x_error_quitter); | |
8922af5f | 4957 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
4958 | |
4959 | /* Disable Window Change signals; they are handled by X events. */ | |
4960 | #ifdef SIGWINCH | |
4961 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4962 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4963 | |
c118dd06 | 4964 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4965 | } |
55123275 JB |
4966 | |
4967 | void | |
4968 | syms_of_xterm () | |
4969 | { | |
ab648270 | 4970 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 4971 | last_mouse_scroll_bar = Qnil; |
55123275 | 4972 | } |
c118dd06 JB |
4973 | #endif /* ! defined (HAVE_X11) */ |
4974 | #endif /* ! defined (HAVE_X_WINDOWS) */ |