Commit | Line | Data |
---|---|---|
dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
12ba150f | 2 | Copyright (C) 1989, 1992, 1993 Free Software Foundation, Inc. |
dc6f92b8 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
4746118a | 8 | the Free Software Foundation; either version 2, or (at your option) |
dc6f92b8 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | /* Serious problems: | |
21 | ||
22 | Kludge: dup2 is used to put the X-connection socket into desc # 0 | |
23 | so that wait_reading_process_input will wait for it in place of | |
24 | actual terminal input. | |
25 | ||
26 | */ | |
27 | ||
d56a553a RS |
28 | #define NEW_SELECTIONS |
29 | ||
dc6f92b8 JB |
30 | #include "config.h" |
31 | ||
32 | #ifdef HAVE_X_WINDOWS | |
33 | ||
34 | #include "lisp.h" | |
9ac0d9e0 | 35 | #include "blockinput.h" |
dc6f92b8 | 36 | |
54c908b5 JB |
37 | /* On 4.3 these lose if they come after xterm.h. */ |
38 | #include <stdio.h> | |
dc6f92b8 JB |
39 | #include <signal.h> |
40 | ||
41 | /* This may include sys/types.h, and that somehow loses | |
42 | if this is not done before the other system files. */ | |
43 | #include "xterm.h" | |
f451eb13 | 44 | #include <X11/cursorfont.h> |
dc6f92b8 | 45 | |
16bd92ea | 46 | #ifndef USG |
dc6f92b8 JB |
47 | /* Load sys/types.h if not already loaded. |
48 | In some systems loading it twice is suicidal. */ | |
49 | #ifndef makedev | |
50 | #include <sys/types.h> | |
c118dd06 JB |
51 | #endif /* makedev */ |
52 | #endif /* USG */ | |
dc6f92b8 JB |
53 | |
54 | #ifdef BSD | |
55 | #include <sys/ioctl.h> | |
56 | #include <strings.h> | |
c118dd06 | 57 | #else /* ! defined (BSD) */ |
febf25d5 | 58 | #ifndef VMS |
dc6f92b8 JB |
59 | #include <sys/termio.h> |
60 | #include <string.h> | |
febf25d5 | 61 | #endif |
c118dd06 | 62 | #endif /* ! defined (BSD) */ |
dc6f92b8 JB |
63 | |
64 | /* Allow m- file to inhibit use of FIONREAD. */ | |
65 | #ifdef BROKEN_FIONREAD | |
66 | #undef FIONREAD | |
c118dd06 | 67 | #endif /* ! defined (BROKEN_FIONREAD) */ |
dc6f92b8 JB |
68 | |
69 | /* We are unable to use interrupts if FIONREAD is not available, | |
70 | so flush SIGIO so we won't try. */ | |
71 | #ifndef FIONREAD | |
72 | #ifdef SIGIO | |
73 | #undef SIGIO | |
c118dd06 JB |
74 | #endif /* ! defined (SIGIO) */ |
75 | #endif /* FIONREAD */ | |
dc6f92b8 | 76 | |
3a2712f9 | 77 | #include "systime.h" |
dc6f92b8 JB |
78 | |
79 | #include <fcntl.h> | |
dc6f92b8 JB |
80 | #include <ctype.h> |
81 | #include <errno.h> | |
82 | #include <setjmp.h> | |
83 | #include <sys/stat.h> | |
84 | #include <sys/param.h> | |
85 | ||
86 | #include "dispextern.h" | |
87 | #include "termhooks.h" | |
88 | #include "termopts.h" | |
89 | #include "termchar.h" | |
90 | #if 0 | |
91 | #include "sink.h" | |
92 | #include "sinkmask.h" | |
c118dd06 | 93 | #endif /* ! 0 */ |
dc6f92b8 | 94 | #include "gnu.h" |
f676886a | 95 | #include "frame.h" |
dc6f92b8 | 96 | #include "disptab.h" |
dc6f92b8 | 97 | #include "buffer.h" |
f451eb13 | 98 | #include "window.h" |
dc6f92b8 JB |
99 | |
100 | #ifdef HAVE_X11 | |
101 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 102 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
103 | #include <X/Xkeyboard.h> |
104 | /*#include <X/Xproto.h> */ | |
c118dd06 | 105 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
106 | |
107 | /* For sending Meta-characters. Do we need this? */ | |
108 | #define METABIT 0200 | |
109 | ||
110 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
111 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
112 | ||
113 | /* Nonzero means we must reprint all windows | |
114 | because 1) we received an ExposeWindow event | |
f451eb13 | 115 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 116 | |
f451eb13 | 117 | This is never needed under X11. */ |
dc6f92b8 JB |
118 | static int expose_all_windows; |
119 | ||
120 | /* Nonzero means we must reprint all icon windows. */ | |
121 | ||
122 | static int expose_all_icons; | |
123 | ||
124 | #ifndef HAVE_X11 | |
125 | /* ExposeRegion events, when received, are copied into this queue | |
126 | for later processing. */ | |
127 | ||
128 | static struct event_queue x_expose_queue; | |
129 | ||
130 | /* ButtonPressed and ButtonReleased events, when received, | |
131 | are copied into this queue for later processing. */ | |
132 | ||
133 | struct event_queue x_mouse_queue; | |
c118dd06 | 134 | #endif /* HAVE_X11 */ |
dc6f92b8 | 135 | |
dc6f92b8 JB |
136 | #if defined (SIGIO) && defined (FIONREAD) |
137 | int BLOCK_INPUT_mask; | |
c118dd06 | 138 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 139 | |
dc6f92b8 JB |
140 | /* The id of a bitmap used for icon windows. |
141 | One such map is shared by all Emacs icon windows. | |
142 | This is zero if we have not yet had a need to create the bitmap. */ | |
143 | ||
144 | static Bitmap icon_bitmap; | |
145 | ||
146 | /* Font used for text icons. */ | |
147 | ||
148 | static FONT_TYPE *icon_font_info; | |
149 | ||
150 | /* Stuff for dealing with the main icon title. */ | |
151 | ||
152 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 153 | char *hostname, *x_id_name; |
dc6f92b8 JB |
154 | |
155 | /* This is the X connection that we are using. */ | |
156 | ||
157 | Display *x_current_display; | |
158 | ||
ab648270 JB |
159 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
160 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 161 | |
987d2ad1 | 162 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 163 | This is set by update_begin and looked at by all the |
dc6f92b8 | 164 | XT functions. It is zero while not inside an update. |
f676886a JB |
165 | In that case, the XT functions assume that `selected_frame' |
166 | is the frame to apply to. */ | |
d0386f2a | 167 | extern struct frame *updating_frame; |
dc6f92b8 | 168 | |
f676886a | 169 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
170 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
171 | that a mere EnterNotify event can set this; if you need to know the | |
172 | last frame specified in a FocusIn or FocusOut event, use | |
173 | x_focus_event_frame. */ | |
f676886a | 174 | struct frame *x_focus_frame; |
dc6f92b8 | 175 | |
f451eb13 JB |
176 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
177 | separate from x_focus_frame, because whether or not LeaveNotify | |
178 | events cause us to lose focus depends on whether or not we have | |
179 | received a FocusIn event for it. */ | |
180 | struct frame *x_focus_event_frame; | |
181 | ||
f676886a JB |
182 | /* The frame which currently has the visual highlight, and should get |
183 | keyboard input (other sorts of input have the frame encoded in the | |
184 | event). It points to the X focus frame's selected window's | |
185 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 186 | minibuffer. */ |
f676886a | 187 | static struct frame *x_highlight_frame; |
6d4238f3 | 188 | |
dc6f92b8 | 189 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 190 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
191 | |
192 | static int warp_mouse_on_deiconify; | |
193 | ||
194 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
195 | ||
196 | static int flexlines; | |
197 | ||
198 | /* During an update, nonzero if chars output now should be highlighted. */ | |
199 | ||
200 | static int highlight; | |
201 | ||
202 | /* Nominal cursor position -- where to draw output. | |
203 | During an update, these are different from the cursor-box position. */ | |
204 | ||
205 | static int curs_x; | |
206 | static int curs_y; | |
207 | ||
208 | #ifdef HAVE_X11 | |
209 | /* `t' if a mouse button is depressed. */ | |
210 | ||
211 | extern Lisp_Object Vmouse_depressed; | |
212 | ||
213 | /* Tells if a window manager is present or not. */ | |
214 | ||
215 | extern Lisp_Object Vx_no_window_manager; | |
216 | ||
217 | /* Timestamp that we requested selection data was made. */ | |
218 | extern Time requestor_time; | |
219 | ||
220 | /* ID of the window requesting selection data. */ | |
221 | extern Window requestor_window; | |
222 | ||
223 | /* Nonzero enables some debugging for the X interface code. */ | |
224 | extern int _Xdebug; | |
225 | ||
c118dd06 | 226 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
227 | |
228 | /* Bit patterns for the mouse cursor. */ | |
229 | ||
230 | short MouseCursor[] = { | |
231 | 0x0000, 0x0008, 0x0018, 0x0038, | |
232 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
233 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
234 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
235 | ||
236 | short MouseMask[] = { | |
237 | 0x000c, 0x001c, 0x003c, 0x007c, | |
238 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
239 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
240 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
241 | ||
242 | static short grey_bits[] = { | |
243 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
244 | ||
245 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 246 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
247 | |
248 | /* From time to time we get info on an Emacs window, here. */ | |
249 | ||
250 | static WINDOWINFO_TYPE windowinfo; | |
251 | ||
252 | extern int errno; | |
253 | ||
dfeccd2d | 254 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
255 | extern int extra_keyboard_modifiers; |
256 | ||
dc6f92b8 JB |
257 | extern Display *XOpenDisplay (); |
258 | extern Window XCreateWindow (); | |
259 | ||
260 | extern Cursor XCreateCursor (); | |
261 | extern FONT_TYPE *XOpenFont (); | |
262 | ||
263 | static void flashback (); | |
264 | ||
265 | #ifndef HAVE_X11 | |
266 | static void dumpqueue (); | |
c118dd06 | 267 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
268 | |
269 | void dumpborder (); | |
4746118a JB |
270 | static int XTcursor_to (); |
271 | static int XTclear_end_of_line (); | |
16bd92ea JB |
272 | |
273 | \f | |
f451eb13 JB |
274 | /* Starting and ending updates. |
275 | ||
276 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
277 | of a frame update. We record in `updating_frame' the identity |
278 | of the frame being updated, so that the XT... functions do not | |
279 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 JB |
280 | should never be called except during an update, the only exceptions |
281 | being XTcursor_to, XTwrite_char and XTreassert_line_highlight. */ | |
282 | ||
283 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
284 | ||
285 | static | |
f676886a JB |
286 | XTupdate_begin (f) |
287 | struct frame *f; | |
dc6f92b8 JB |
288 | { |
289 | int mask; | |
290 | ||
f676886a | 291 | if (f == 0) |
dc6f92b8 JB |
292 | abort (); |
293 | ||
f676886a | 294 | flexlines = f->height; |
dc6f92b8 JB |
295 | highlight = 0; |
296 | ||
dc6f92b8 JB |
297 | BLOCK_INPUT; |
298 | #ifndef HAVE_X11 | |
299 | dumpqueue (); | |
c118dd06 | 300 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
301 | UNBLOCK_INPUT; |
302 | } | |
303 | ||
f451eb13 | 304 | #ifndef HAVE_X11 |
dc6f92b8 | 305 | static void x_do_pending_expose (); |
f451eb13 | 306 | #endif |
dc6f92b8 JB |
307 | |
308 | static | |
f676886a JB |
309 | XTupdate_end (f) |
310 | struct frame *f; | |
dc6f92b8 JB |
311 | { |
312 | int mask; | |
313 | ||
f676886a JB |
314 | if (updating_frame == 0 |
315 | || updating_frame != f) | |
dc6f92b8 JB |
316 | abort (); |
317 | ||
318 | BLOCK_INPUT; | |
319 | #ifndef HAVE_X11 | |
320 | dumpqueue (); | |
dc6f92b8 | 321 | x_do_pending_expose (); |
f451eb13 | 322 | #endif /* HAVE_X11 */ |
dc6f92b8 | 323 | |
f676886a | 324 | x_display_cursor (f, 1); |
dc6f92b8 | 325 | |
dc6f92b8 JB |
326 | XFlushQueue (); |
327 | UNBLOCK_INPUT; | |
328 | } | |
329 | \f | |
330 | /* External interface to control of standout mode. | |
331 | Call this when about to modify line at position VPOS | |
332 | and not change whether it is highlighted. */ | |
333 | ||
334 | XTreassert_line_highlight (new, vpos) | |
335 | int new, vpos; | |
336 | { | |
337 | highlight = new; | |
338 | } | |
339 | ||
340 | /* Call this when about to modify line at position VPOS | |
341 | and change whether it is highlighted. */ | |
342 | ||
343 | static | |
344 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
345 | int new_highlight, vpos, first_unused_hpos; | |
346 | { | |
347 | highlight = new_highlight; | |
348 | XTcursor_to (vpos, 0); | |
f676886a | 349 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
350 | } |
351 | ||
352 | /* This is used when starting Emacs and when restarting after suspend. | |
353 | When starting Emacs, no X window is mapped. And nothing must be done | |
354 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
355 | ||
356 | static | |
357 | XTset_terminal_modes () | |
358 | { | |
359 | } | |
360 | ||
361 | /* This is called when exiting or suspending Emacs. | |
362 | Exiting will make the X-windows go away, and suspending | |
363 | requires no action. */ | |
364 | ||
365 | static | |
366 | XTreset_terminal_modes () | |
367 | { | |
f676886a | 368 | /* XTclear_frame (); */ |
dc6f92b8 JB |
369 | } |
370 | \f | |
f451eb13 JB |
371 | /* Set the nominal cursor position of the frame. |
372 | This is where display update commands will take effect. | |
dc6f92b8 JB |
373 | This does not affect the place where the cursor-box is displayed. */ |
374 | ||
4746118a | 375 | static int |
dc6f92b8 JB |
376 | XTcursor_to (row, col) |
377 | register int row, col; | |
378 | { | |
379 | int mask; | |
380 | int orow = row; | |
381 | ||
382 | curs_x = col; | |
383 | curs_y = row; | |
384 | ||
f676886a | 385 | if (updating_frame == 0) |
dc6f92b8 JB |
386 | { |
387 | BLOCK_INPUT; | |
f676886a | 388 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
389 | XFlushQueue (); |
390 | UNBLOCK_INPUT; | |
391 | } | |
392 | } | |
393 | \f | |
394 | /* Display a sequence of N glyphs found at GP. | |
395 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
396 | HL is 1 if this text is highlighted, 2 if the cursor is on it. | |
397 | ||
398 | FONT is the default font to use (for glyphs whose font-code is 0). */ | |
399 | ||
400 | static void | |
f676886a JB |
401 | dumpglyphs (f, left, top, gp, n, hl, font) |
402 | struct frame *f; | |
dc6f92b8 JB |
403 | int left, top; |
404 | register GLYPH *gp; /* Points to first GLYPH. */ | |
405 | register int n; /* Number of glyphs to display. */ | |
406 | int hl; | |
407 | FONT_TYPE *font; | |
408 | { | |
dc6f92b8 | 409 | register int len; |
c118dd06 | 410 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
411 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc |
412 | : (hl ? f->display.x->reverse_gc | |
413 | : f->display.x->normal_gc)); | |
dc6f92b8 | 414 | |
c7004826 JB |
415 | if (sizeof (GLYPH) == sizeof (XChar2b)) |
416 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
417 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
418 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
419 | XDrawImageString (x_current_display, window, drawing_gc, | |
420 | left, top + FONT_BASE (font), (char *) gp, n); | |
421 | else | |
422 | /* What size of glyph ARE you using? And does X have a function to | |
423 | draw them? */ | |
424 | abort (); | |
dc6f92b8 JB |
425 | } |
426 | ||
427 | #if 0 | |
428 | static void | |
f676886a JB |
429 | dumpglyphs (f, left, top, gp, n, hl, font) |
430 | struct frame *f; | |
dc6f92b8 JB |
431 | int left, top; |
432 | register GLYPH *gp; /* Points to first GLYPH. */ | |
433 | register int n; /* Number of glyphs to display. */ | |
434 | int hl; | |
435 | FONT_TYPE *font; | |
436 | { | |
f676886a | 437 | char buf[f->width]; /* Holds characters to be displayed. */ |
dc6f92b8 JB |
438 | register char *cp; /* Steps through buf[]. */ |
439 | register int tlen = GLYPH_TABLE_LENGTH; | |
440 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 441 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
442 | int cursor_pixel = f->display.x->cursor_pixel; |
443 | int fg_pixel = f->display.x->foreground_pixel; | |
444 | int bg_pixel = f->display.x->background_pixel; | |
445 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
446 | |
447 | while (n) | |
448 | { | |
449 | /* Get the face-code of the next GLYPH. */ | |
450 | int cf, len; | |
451 | int g = *gp; | |
452 | ||
453 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
454 | g = GLYPH_ALIAS (tbase, g); | |
455 | ||
456 | cf = g >> 8; | |
457 | ||
458 | /* Find the run of consecutive glyphs with the same face-code. | |
459 | Extract their character codes into BUF. */ | |
460 | cp = buf; | |
461 | while (n > 0) | |
462 | { | |
463 | g = *gp; | |
464 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
465 | g = GLYPH_ALIAS (tbase, g); | |
466 | if ((g >> 8) != cf) | |
467 | break; | |
468 | ||
469 | *cp++ = 0377 & g; | |
470 | --n; | |
471 | ++gp; | |
472 | } | |
473 | ||
474 | /* LEN gets the length of the run. */ | |
475 | len = cp - buf; | |
476 | ||
477 | /* Now output this run of chars, with the font and pixel values | |
478 | determined by the face code CF. */ | |
479 | if (cf == 0) | |
480 | { | |
481 | #ifdef HAVE_X11 | |
f676886a JB |
482 | GC GC_cursor = f->display.x->cursor_gc; |
483 | GC GC_reverse = f->display.x->reverse_gc; | |
484 | GC GC_normal = f->display.x->normal_gc; | |
dc6f92b8 JB |
485 | |
486 | XDrawImageString (x_current_display, window, | |
487 | (hl == 2 | |
488 | ? GC_cursor | |
489 | : (hl ? GC_reverse : GC_normal)), | |
490 | left, top + FONT_BASE (font), buf, len); | |
c118dd06 | 491 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
492 | XText (window, left, top, |
493 | buf, | |
494 | len, | |
495 | font->id, | |
496 | (hl == 2 | |
497 | ? (cursor_pixel == fg_pixel ? bg_pixel : fg_pixel) | |
498 | : hl ? bg_pixel : fg_pixel), | |
499 | (hl == 2 ? cursor_pixel | |
500 | : hl ? fg_pixel : bg_pixel)); | |
c118dd06 | 501 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
502 | } |
503 | else | |
504 | { | |
505 | #ifdef HAVE_X11 | |
506 | if (FACE_IS_FONT (cf)) | |
c118dd06 | 507 | XDrawImageString (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 JB |
508 | FACE_GC (cf), |
509 | left, top + FONT_BASE (FACE_FONT (cf)), | |
510 | buf, len); | |
511 | else if (FACE_IS_IMAGE (cf)) | |
512 | XCopyPlane (x_current_display, FACE_IMAGE (cf), | |
c118dd06 | 513 | FRAME_X_WINDOW (f), |
f676886a | 514 | f->display.x->normal_gc, |
dc6f92b8 JB |
515 | 0, 0, |
516 | FACE_IMAGE_WIDTH (cf), | |
517 | FACE_IMAGE_HEIGHT (cf), left, top); | |
518 | else | |
519 | abort (); | |
c118dd06 | 520 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
521 | register struct face *fp = x_face_table[cf]; |
522 | ||
523 | XText (window, left, top, | |
524 | buf, | |
525 | len, | |
526 | fp->font->id, | |
527 | (hl == 2 | |
528 | ? (cursor_pixel == fp->fg ? fp->bg : fp->fg) | |
529 | : hl ? fp->bg : fp->fg), | |
530 | (hl == 2 ? cursor_pixel | |
531 | : hl ? fp->fg : fp->bg)); | |
c118dd06 | 532 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
533 | } |
534 | left += len * FONT_WIDTH (font); | |
535 | } | |
536 | } | |
c118dd06 | 537 | #endif /* ! 0 */ |
dc6f92b8 | 538 | \f |
f451eb13 JB |
539 | /* Output some text at the nominal frame cursor position. |
540 | Advance the cursor over the text. | |
dc6f92b8 JB |
541 | Output LEN glyphs at START. |
542 | ||
543 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
544 | controls the pixel values used for foreground and background. */ | |
545 | ||
546 | static | |
547 | XTwrite_glyphs (start, len) | |
548 | register GLYPH *start; | |
549 | int len; | |
550 | { | |
551 | register int temp_length; | |
552 | int mask; | |
f676886a | 553 | struct frame *f; |
dc6f92b8 JB |
554 | |
555 | BLOCK_INPUT; | |
556 | ||
f676886a JB |
557 | f = updating_frame; |
558 | if (f == 0) | |
dc6f92b8 | 559 | { |
f676886a | 560 | f = selected_frame; |
dc6f92b8 | 561 | /* If not within an update, |
f676886a JB |
562 | output at the frame's visible cursor. */ |
563 | curs_x = f->cursor_x; | |
564 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
565 | } |
566 | ||
f676886a | 567 | dumpglyphs (f, |
12ba150f JB |
568 | CHAR_TO_PIXEL_COL (f, curs_x), |
569 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
570 | start, len, highlight, f->display.x->font); | |
90e65f07 JB |
571 | |
572 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
573 | if (curs_y == f->phys_cursor_y |
574 | && curs_x <= f->phys_cursor_x | |
575 | && curs_x + len > f->phys_cursor_x) | |
576 | f->phys_cursor_x = -1; | |
dc6f92b8 | 577 | |
f676886a | 578 | if (updating_frame == 0) |
dc6f92b8 | 579 | { |
f676886a JB |
580 | f->cursor_x += len; |
581 | x_display_cursor (f, 1); | |
582 | f->cursor_x -= len; | |
dc6f92b8 JB |
583 | } |
584 | else | |
585 | curs_x += len; | |
586 | ||
587 | UNBLOCK_INPUT; | |
588 | } | |
589 | \f | |
f451eb13 JB |
590 | /* Clear to the end of the line. |
591 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
592 | to column FIRST_UNUSED (exclusive). The idea is that everything |
593 | from FIRST_UNUSED onward is already erased. */ | |
594 | ||
4746118a | 595 | static int |
dc6f92b8 JB |
596 | XTclear_end_of_line (first_unused) |
597 | register int first_unused; | |
598 | { | |
f676886a | 599 | struct frame *f = updating_frame; |
dc6f92b8 JB |
600 | int mask; |
601 | ||
f676886a | 602 | if (f == 0) |
dc6f92b8 JB |
603 | abort (); |
604 | ||
f676886a | 605 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
606 | return; |
607 | if (first_unused <= 0) | |
608 | return; | |
609 | ||
f676886a JB |
610 | if (first_unused >= f->width) |
611 | first_unused = f->width; | |
dc6f92b8 JB |
612 | |
613 | BLOCK_INPUT; | |
614 | ||
90e65f07 | 615 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
616 | if (curs_y == f->phys_cursor_y |
617 | && curs_x <= f->phys_cursor_x | |
618 | && f->phys_cursor_x < first_unused) | |
619 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
620 | |
621 | #ifdef HAVE_X11 | |
c118dd06 | 622 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
623 | CHAR_TO_PIXEL_COL (f, curs_x), |
624 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
625 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
626 | FONT_HEIGHT (f->display.x->font), False); | |
dc6f92b8 | 627 | |
c118dd06 JB |
628 | #else /* ! defined (HAVE_X11) */ |
629 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
630 | CHAR_TO_PIXEL_COL (f, curs_x), |
631 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
632 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
633 | FONT_HEIGHT (f->display.x->font), | |
634 | f->display.x->background_pixel); | |
c118dd06 | 635 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
636 | |
637 | UNBLOCK_INPUT; | |
638 | } | |
639 | ||
640 | static | |
f676886a | 641 | XTclear_frame () |
dc6f92b8 JB |
642 | { |
643 | int mask; | |
f676886a | 644 | struct frame *f = updating_frame; |
dc6f92b8 | 645 | |
f676886a JB |
646 | if (f == 0) |
647 | f = selected_frame; | |
dc6f92b8 | 648 | |
f676886a | 649 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
650 | curs_x = 0; /* Nominal cursor position is top left. */ |
651 | curs_y = 0; | |
652 | ||
653 | BLOCK_INPUT; | |
dbc4e1c1 | 654 | |
c118dd06 | 655 | XClear (FRAME_X_WINDOW (f)); |
dbc4e1c1 | 656 | |
ab648270 | 657 | /* We have to clear the scroll bars, too. If we have changed |
dbc4e1c1 | 658 | colors or something like that, then they should be notified. */ |
ab648270 | 659 | x_scroll_bar_clear (f); |
dbc4e1c1 | 660 | |
dc6f92b8 | 661 | #ifndef HAVE_X11 |
f676886a | 662 | dumpborder (f, 0); |
c118dd06 | 663 | #endif /* HAVE_X11 */ |
dbc4e1c1 | 664 | |
dc6f92b8 JB |
665 | XFlushQueue (); |
666 | UNBLOCK_INPUT; | |
667 | } | |
668 | \f | |
dbc4e1c1 JB |
669 | /* Invert the middle quarter of the frame for .15 sec. */ |
670 | ||
671 | /* We use the select system call to do the waiting, so we have to make sure | |
672 | it's avaliable. If it isn't, we just won't do visual bells. */ | |
673 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) | |
674 | ||
675 | /* Subtract the `struct timeval' values X and Y, | |
676 | storing the result in RESULT. | |
677 | Return 1 if the difference is negative, otherwise 0. */ | |
678 | ||
679 | static int | |
680 | timeval_subtract (result, x, y) | |
681 | struct timeval *result, x, y; | |
682 | { | |
683 | /* Perform the carry for the later subtraction by updating y. | |
684 | This is safer because on some systems | |
685 | the tv_sec member is unsigned. */ | |
686 | if (x.tv_usec < y.tv_usec) | |
687 | { | |
688 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
689 | y.tv_usec -= 1000000 * nsec; | |
690 | y.tv_sec += nsec; | |
691 | } | |
692 | if (x.tv_usec - y.tv_usec > 1000000) | |
693 | { | |
694 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
695 | y.tv_usec += 1000000 * nsec; | |
696 | y.tv_sec -= nsec; | |
697 | } | |
698 | ||
699 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
700 | result->tv_sec = x.tv_sec - y.tv_sec; | |
701 | result->tv_usec = x.tv_usec - y.tv_usec; | |
702 | ||
703 | /* Return indication of whether the result should be considered negative. */ | |
704 | return x.tv_sec < y.tv_sec; | |
705 | } | |
dc6f92b8 | 706 | |
f676886a JB |
707 | XTflash (f) |
708 | struct frame *f; | |
dc6f92b8 | 709 | { |
dbc4e1c1 | 710 | BLOCK_INPUT; |
dc6f92b8 | 711 | |
dbc4e1c1 JB |
712 | { |
713 | GC gc; | |
dc6f92b8 | 714 | |
dbc4e1c1 JB |
715 | /* Create a GC that will use the GXxor function to flip foreground pixels |
716 | into background pixels. */ | |
717 | { | |
718 | XGCValues values; | |
dc6f92b8 | 719 | |
dbc4e1c1 JB |
720 | values.function = GXxor; |
721 | values.foreground = (f->display.x->foreground_pixel | |
722 | ^ f->display.x->background_pixel); | |
723 | ||
724 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
725 | GCFunction | GCForeground, &values); | |
726 | } | |
dc6f92b8 | 727 | |
dbc4e1c1 JB |
728 | { |
729 | int width = PIXEL_WIDTH (f); | |
730 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 731 | |
dbc4e1c1 JB |
732 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
733 | width/4, height/4, width/2, height/2); | |
734 | XFlush (x_current_display); | |
dc6f92b8 | 735 | |
dbc4e1c1 JB |
736 | { |
737 | struct timeval wakeup, now; | |
dc6f92b8 | 738 | |
dbc4e1c1 | 739 | gettimeofday (&wakeup, (struct timezone *) 0); |
dc6f92b8 | 740 | |
dbc4e1c1 JB |
741 | /* Compute time to wait until, propagating carry from usecs. */ |
742 | wakeup.tv_usec += 150000; | |
743 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
744 | wakeup.tv_usec %= 1000000; | |
745 | ||
746 | /* Keep waiting until past the time wakeup. */ | |
747 | while (1) | |
748 | { | |
749 | struct timeval timeout; | |
750 | ||
751 | gettimeofday (&timeout, (struct timezone *)0); | |
752 | ||
753 | /* In effect, timeout = wakeup - timeout. | |
754 | Break if result would be negative. */ | |
755 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
756 | break; | |
757 | ||
758 | /* Try to wait that long--but we might wake up sooner. */ | |
759 | select (0, 0, 0, 0, &timeout); | |
760 | } | |
761 | } | |
762 | ||
763 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
764 | width/4, height/4, width/2, height/2); | |
765 | XFreeGC (x_current_display, gc); | |
766 | XFlush (x_current_display); | |
dc6f92b8 | 767 | } |
dbc4e1c1 JB |
768 | } |
769 | ||
770 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
771 | } |
772 | ||
dbc4e1c1 JB |
773 | #endif |
774 | ||
775 | ||
dc6f92b8 JB |
776 | /* Make audible bell. */ |
777 | ||
778 | #ifdef HAVE_X11 | |
779 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 780 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 781 | #define XRINGBELL XFeep(0); |
c118dd06 | 782 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
783 | |
784 | XTring_bell () | |
785 | { | |
dbc4e1c1 | 786 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 787 | if (visible_bell) |
f676886a | 788 | XTflash (selected_frame); |
dc6f92b8 | 789 | else |
dbc4e1c1 | 790 | #endif |
dc6f92b8 JB |
791 | { |
792 | BLOCK_INPUT; | |
793 | XRINGBELL; | |
794 | XFlushQueue (); | |
795 | UNBLOCK_INPUT; | |
796 | } | |
797 | } | |
798 | \f | |
f451eb13 JB |
799 | /* Insert and delete character. |
800 | These are not supposed to be used because we are supposed to turn | |
801 | off the feature of using them. */ | |
dc6f92b8 JB |
802 | |
803 | static | |
804 | XTinsert_glyphs (start, len) | |
805 | register char *start; | |
806 | register int len; | |
807 | { | |
808 | abort (); | |
809 | } | |
810 | ||
811 | static | |
812 | XTdelete_glyphs (n) | |
813 | register int n; | |
814 | { | |
815 | abort (); | |
816 | } | |
817 | \f | |
818 | /* Specify how many text lines, from the top of the window, | |
819 | should be affected by insert-lines and delete-lines operations. | |
820 | This, and those operations, are used only within an update | |
821 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
822 | ||
823 | static | |
824 | XTset_terminal_window (n) | |
825 | register int n; | |
826 | { | |
f676886a | 827 | if (updating_frame == 0) |
dc6f92b8 JB |
828 | abort (); |
829 | ||
f676886a JB |
830 | if ((n <= 0) || (n > updating_frame->height)) |
831 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
832 | else |
833 | flexlines = n; | |
834 | } | |
835 | \f | |
f451eb13 JB |
836 | /* Perform an insert-lines operation. |
837 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
838 | |
839 | static void | |
840 | stufflines (n) | |
841 | register int n; | |
842 | { | |
843 | register int topregion, bottomregion; | |
844 | register int length, newtop, mask; | |
f676886a JB |
845 | register struct frame *f = updating_frame; |
846 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
847 | |
848 | if (curs_y >= flexlines) | |
849 | return; | |
850 | ||
851 | topregion = curs_y; | |
852 | bottomregion = flexlines - (n + 1); | |
853 | newtop = topregion + n; | |
854 | length = (bottomregion - topregion) + 1; | |
855 | ||
856 | #ifndef HAVE_X11 | |
857 | dumpqueue (); | |
c118dd06 | 858 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
859 | |
860 | if ((length > 0) && (newtop <= flexlines)) | |
861 | { | |
862 | #ifdef HAVE_X11 | |
c118dd06 JB |
863 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
864 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 865 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
866 | f->width * FONT_WIDTH (f->display.x->font), |
867 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 868 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
869 | #else /* ! defined (HAVE_X11) */ |
870 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
871 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
872 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
873 | f->width * FONT_WIDTH (f->display.x->font), |
874 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
875 | /* Now we must process any ExposeRegion events that occur |
876 | if the area being copied from is obscured. | |
877 | We can't let it wait because further i/d operations | |
878 | may want to copy this area to another area. */ | |
879 | x_read_exposes (); | |
c118dd06 | 880 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
881 | } |
882 | ||
883 | newtop = min (newtop, (flexlines - 1)); | |
884 | length = newtop - topregion; | |
885 | if (length > 0) | |
886 | { | |
887 | #ifdef HAVE_X11 | |
c118dd06 | 888 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 889 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
890 | f->width * FONT_WIDTH (f->display.x->font), |
891 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
892 | #else /* ! defined (HAVE_X11) */ |
893 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 894 | intborder, |
12ba150f | 895 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
896 | f->width * FONT_WIDTH (f->display.x->font), |
897 | n * FONT_HEIGHT (f->display.x->font), | |
898 | f->display.x->background_pixel); | |
c118dd06 | 899 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
900 | } |
901 | } | |
902 | ||
903 | /* Perform a delete-lines operation, deleting N lines | |
904 | at a vertical position curs_y. */ | |
905 | ||
906 | static void | |
907 | scraplines (n) | |
908 | register int n; | |
909 | { | |
910 | int mask; | |
f676886a JB |
911 | register struct frame *f = updating_frame; |
912 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
913 | |
914 | if (curs_y >= flexlines) | |
915 | return; | |
916 | ||
917 | #ifndef HAVE_X11 | |
918 | dumpqueue (); | |
c118dd06 | 919 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
920 | |
921 | if ((curs_y + n) >= flexlines) | |
922 | { | |
923 | if (flexlines >= (curs_y + 1)) | |
924 | { | |
925 | #ifdef HAVE_X11 | |
c118dd06 | 926 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 927 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
928 | f->width * FONT_WIDTH (f->display.x->font), |
929 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
930 | #else /* ! defined (HAVE_X11) */ |
931 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 932 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
933 | f->width * FONT_WIDTH (f->display.x->font), |
934 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
935 | f->display.x->background_pixel); | |
c118dd06 | 936 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
937 | } |
938 | } | |
939 | else | |
940 | { | |
941 | #ifdef HAVE_X11 | |
c118dd06 JB |
942 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
943 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 944 | intborder, |
12ba150f | 945 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
946 | f->width * FONT_WIDTH (f->display.x->font), |
947 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 948 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 949 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 950 | intborder, |
12ba150f | 951 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
952 | f->width * FONT_WIDTH (f->display.x->font), |
953 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
954 | #else /* ! defined (HAVE_X11) */ |
955 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 956 | intborder, |
12ba150f JB |
957 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
958 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
959 | f->width * FONT_WIDTH (f->display.x->font), |
960 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
961 | /* Now we must process any ExposeRegion events that occur |
962 | if the area being copied from is obscured. | |
963 | We can't let it wait because further i/d operations | |
964 | may want to copy this area to another area. */ | |
965 | x_read_exposes (); | |
c118dd06 | 966 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 967 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
968 | f->width * FONT_WIDTH (f->display.x->font), |
969 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 970 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
971 | } |
972 | } | |
973 | ||
974 | /* Perform an insert-lines or delete-lines operation, | |
975 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
976 | ||
977 | XTins_del_lines (vpos, n) | |
978 | int vpos, n; | |
979 | { | |
f676886a | 980 | if (updating_frame == 0) |
dc6f92b8 JB |
981 | abort (); |
982 | ||
90e65f07 | 983 | /* Hide the cursor. */ |
f676886a | 984 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
985 | |
986 | XTcursor_to (vpos, 0); | |
987 | ||
988 | BLOCK_INPUT; | |
989 | if (n >= 0) | |
990 | stufflines (n); | |
991 | else | |
992 | scraplines (-n); | |
993 | XFlushQueue (); | |
994 | UNBLOCK_INPUT; | |
995 | } | |
996 | \f | |
f451eb13 | 997 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
998 | static void clear_cursor (); |
999 | ||
f676886a JB |
1000 | /* Output into a rectangle of an X-window (for frame F) |
1001 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
1002 | TOP and LEFT are the position of the upper left corner of the rectangle. |
1003 | ROWS and COLS are the size of the rectangle. */ | |
1004 | ||
1005 | static void | |
f676886a JB |
1006 | dumprectangle (f, left, top, cols, rows) |
1007 | struct frame *f; | |
dc6f92b8 JB |
1008 | register int left, top, cols, rows; |
1009 | { | |
f676886a | 1010 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1011 | int cursor_cleared = 0; |
1012 | int bottom, right; | |
1013 | register int y; | |
1014 | ||
f676886a | 1015 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1016 | return; |
1017 | ||
dc6f92b8 JB |
1018 | /* Express rectangle as four edges, instead of position-and-size. */ |
1019 | bottom = top + rows; | |
1020 | right = left + cols; | |
1021 | ||
1022 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1023 | { |
1024 | int intborder = f->display.x->internal_border_width; | |
1025 | ||
1026 | /* If the rectangle includes any of the internal border area, | |
1027 | redisplay the border emphasis. */ | |
1028 | if (top < intborder || left < intborder | |
1029 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1030 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1031 | dumpborder (f, 0); | |
1032 | } | |
c118dd06 | 1033 | #endif /* HAVE_X11 /* Window manger does this for X11. */ */ |
dc6f92b8 JB |
1034 | |
1035 | /* Convert rectangle edges in pixels to edges in chars. | |
1036 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1037 | top = PIXEL_TO_CHAR_ROW (f, top); |
1038 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1039 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1040 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1041 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1042 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1043 | |
1044 | /* Clip the rectangle to what can be visible. */ | |
1045 | if (left < 0) | |
1046 | left = 0; | |
1047 | if (top < 0) | |
1048 | top = 0; | |
f676886a JB |
1049 | if (right > f->width) |
1050 | right = f->width; | |
1051 | if (bottom > f->height) | |
1052 | bottom = f->height; | |
dc6f92b8 JB |
1053 | |
1054 | /* Get size in chars of the rectangle. */ | |
1055 | cols = right - left; | |
1056 | rows = bottom - top; | |
1057 | ||
1058 | /* If rectangle has zero area, return. */ | |
1059 | if (rows <= 0) return; | |
1060 | if (cols <= 0) return; | |
1061 | ||
1062 | /* Turn off the cursor if it is in the rectangle. | |
1063 | We will turn it back on afterward. */ | |
f676886a JB |
1064 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1065 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1066 | { |
f676886a | 1067 | clear_cursor (f); |
dc6f92b8 JB |
1068 | cursor_cleared = 1; |
1069 | } | |
1070 | ||
1071 | /* Display the text in the rectangle, one text line at a time. */ | |
1072 | ||
1073 | for (y = top; y < bottom; y++) | |
1074 | { | |
f676886a | 1075 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1076 | |
f676886a | 1077 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1078 | continue; |
1079 | ||
f676886a | 1080 | dumpglyphs (f, |
12ba150f JB |
1081 | CHAR_TO_PIXEL_COL (f, left), |
1082 | CHAR_TO_PIXEL_ROW (f, y), | |
1083 | line, min (cols, active_frame->used[y] - left), | |
1084 | active_frame->highlight[y], f->display.x->font); | |
dc6f92b8 JB |
1085 | } |
1086 | ||
1087 | /* Turn the cursor on if we turned it off. */ | |
1088 | ||
1089 | if (cursor_cleared) | |
f676886a | 1090 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1091 | } |
1092 | ||
1093 | #ifndef HAVE_X11 | |
1094 | /* Process all queued ExposeRegion events. */ | |
1095 | ||
1096 | static void | |
1097 | dumpqueue () | |
1098 | { | |
1099 | register int i; | |
1100 | XExposeRegionEvent r; | |
1101 | ||
1102 | while (dequeue_event (&r, &x_expose_queue)) | |
1103 | { | |
f676886a JB |
1104 | struct frame *f = x_window_to_frame (r.window); |
1105 | if (f->display.x->icon_desc == r.window) | |
1106 | refreshicon (f); | |
dc6f92b8 | 1107 | else |
f676886a | 1108 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1109 | } |
1110 | XFlushQueue (); | |
1111 | } | |
c118dd06 | 1112 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1113 | \f |
f451eb13 | 1114 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1115 | Redraws the cursor if necessary on any frame that |
1116 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1117 | |
f451eb13 | 1118 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1119 | static void |
1120 | x_do_pending_expose () | |
1121 | { | |
1122 | int mask; | |
f676886a JB |
1123 | struct frame *f; |
1124 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1125 | |
1126 | if (expose_all_windows) | |
1127 | { | |
1128 | expose_all_windows = 0; | |
f676886a | 1129 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1130 | { |
1131 | register int temp_width, temp_height; | |
1132 | int intborder; | |
1133 | ||
f676886a | 1134 | frame = XCONS (tail)->car; |
ab648270 | 1135 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1136 | continue; |
f676886a | 1137 | f = XFRAME (frame); |
b1c884c3 | 1138 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1139 | continue; |
3a88c238 | 1140 | if (!f->async_visible) |
dc6f92b8 | 1141 | continue; |
f676886a | 1142 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1143 | continue; |
1144 | ||
f676886a | 1145 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1146 | |
f676886a | 1147 | clear_cursor (f); |
c118dd06 | 1148 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1149 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1150 | - f->display.x->v_scroll_bar_width) |
f676886a | 1151 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1152 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1153 | - f->display.x->h_scroll_bar_height) |
f676886a JB |
1154 | / FONT_HEIGHT (f->display.x->font)); |
1155 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1156 | { |
f676886a | 1157 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1158 | max (1, temp_width), 0, 1); |
ab648270 | 1159 | x_resize_scroll_bars (f); |
dc6f92b8 | 1160 | } |
f676886a JB |
1161 | f->display.x->left_pos = windowinfo.x; |
1162 | f->display.x->top_pos = windowinfo.y; | |
1163 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1164 | #if 0 |
f676886a | 1165 | dumpborder (f, 0); |
c118dd06 | 1166 | #endif /* ! 0 */ |
f676886a JB |
1167 | f->display.x->needs_exposure = 0; |
1168 | if (updating_frame != f) | |
1169 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1170 | XFlushQueue (); |
1171 | } | |
1172 | } | |
1173 | else | |
1174 | /* Handle any individual-rectangle expose events queued | |
1175 | for various windows. */ | |
1176 | #ifdef HAVE_X11 | |
1177 | ; | |
c118dd06 | 1178 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1179 | dumpqueue (); |
c118dd06 | 1180 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1181 | } |
f451eb13 | 1182 | #endif |
dc6f92b8 JB |
1183 | |
1184 | #ifdef HAVE_X11 | |
1185 | static void | |
f676886a JB |
1186 | frame_highlight (frame) |
1187 | struct frame *frame; | |
dc6f92b8 JB |
1188 | { |
1189 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1190 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1191 | frame->display.x->border_pixel); |
1192 | x_display_cursor (frame, 1); | |
dc6f92b8 JB |
1193 | } |
1194 | ||
1195 | static void | |
f676886a JB |
1196 | frame_unhighlight (frame) |
1197 | struct frame *frame; | |
dc6f92b8 JB |
1198 | { |
1199 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1200 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1201 | frame->display.x->border_tile); |
1202 | x_display_cursor (frame, 1); | |
dc6f92b8 | 1203 | } |
c118dd06 | 1204 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1205 | /* Dump the border-emphasis of frame F. |
1206 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1207 | just within the border, occupying a portion of the internal border. |
f676886a | 1208 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1209 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1210 | ||
f676886a | 1211 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1212 | In that case, we also turn the cursor off and on again |
1213 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1214 | ||
1215 | static void | |
f676886a JB |
1216 | dumpborder (f, always) |
1217 | struct frame *f; | |
dc6f92b8 JB |
1218 | int always; |
1219 | { | |
f676886a JB |
1220 | int thickness = f->display.x->internal_border_width / 2; |
1221 | int width = PIXEL_WIDTH (f); | |
1222 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1223 | int pixel; |
1224 | ||
f676886a | 1225 | if (f != selected_frame) |
dc6f92b8 JB |
1226 | { |
1227 | if (!always) | |
1228 | return; | |
1229 | ||
f676886a | 1230 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1231 | } |
1232 | else | |
1233 | { | |
f676886a | 1234 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1235 | } |
1236 | ||
c118dd06 JB |
1237 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1238 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1239 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1240 | thickness, pixel); |
c118dd06 | 1241 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1242 | height, pixel); |
1243 | ||
1244 | if (always) | |
f676886a | 1245 | x_display_cursor (f, 1); |
dc6f92b8 | 1246 | } |
c118dd06 | 1247 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1248 | |
f676886a | 1249 | static void XTframe_rehighlight (); |
6d4238f3 | 1250 | |
f676886a JB |
1251 | /* The focus has changed. Update the frames as necessary to reflect |
1252 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1253 | here, because the lisp code we are interrupting might become confused. |
f676886a | 1254 | Each event gets marked with the frame in which it occured, so the |
6d4238f3 | 1255 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1256 | |
6d4238f3 | 1257 | static void |
f676886a JB |
1258 | x_new_focus_frame (frame) |
1259 | struct frame *frame; | |
dc6f92b8 | 1260 | { |
f676886a | 1261 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1262 | int events_enqueued = 0; |
1263 | ||
f676886a | 1264 | if (frame != x_focus_frame) |
dc6f92b8 | 1265 | { |
6d4238f3 | 1266 | /* Set this before calling other routines, so that they see |
f676886a JB |
1267 | the correct value of x_focus_frame. */ |
1268 | x_focus_frame = frame; | |
6d4238f3 JB |
1269 | |
1270 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1271 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1272 | |
1273 | #if 0 | |
f676886a JB |
1274 | selected_frame = frame; |
1275 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1276 | Lisp_Frame, selected_frame); | |
1277 | Fselect_window (selected_frame->selected_window); | |
1278 | choose_minibuf_frame (); | |
c118dd06 | 1279 | #endif /* ! 0 */ |
dc6f92b8 | 1280 | |
f676886a JB |
1281 | if (x_focus_frame && x_focus_frame->auto_raise) |
1282 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1283 | } |
dc6f92b8 | 1284 | |
f676886a | 1285 | XTframe_rehighlight (); |
6d4238f3 JB |
1286 | } |
1287 | ||
1288 | ||
f451eb13 JB |
1289 | /* The focus has changed, or we have redirected a frame's focus to |
1290 | another frame (this happens when a frame uses a surrogate | |
1291 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1292 | static void |
f676886a | 1293 | XTframe_rehighlight () |
6d4238f3 | 1294 | { |
f676886a | 1295 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1296 | |
f676886a | 1297 | if (x_focus_frame) |
6d4238f3 | 1298 | { |
f451eb13 | 1299 | x_highlight_frame = |
ab648270 | 1300 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1301 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1302 | : x_focus_frame); | |
1303 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1304 | { | |
1305 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1306 | x_highlight_frame = x_focus_frame; | |
1307 | } | |
dc6f92b8 | 1308 | } |
6d4238f3 | 1309 | else |
f676886a | 1310 | x_highlight_frame = 0; |
dc6f92b8 | 1311 | |
f676886a | 1312 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1313 | { |
1314 | if (old_highlight) | |
f676886a JB |
1315 | frame_unhighlight (old_highlight); |
1316 | if (x_highlight_frame) | |
1317 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1318 | } |
dc6f92b8 JB |
1319 | } |
1320 | \f | |
90e65f07 JB |
1321 | /* Mouse clicks and mouse movement. Rah. */ |
1322 | #ifdef HAVE_X11 | |
1323 | ||
f676886a | 1324 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return |
90e65f07 JB |
1325 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle |
1326 | that the glyph at X, Y occupies, if BOUNDS != 0. */ | |
1327 | static void | |
f676886a JB |
1328 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds) |
1329 | FRAME_PTR f; | |
dc6f92b8 JB |
1330 | register unsigned int pix_x, pix_y; |
1331 | register int *x, *y; | |
90e65f07 | 1332 | XRectangle *bounds; |
dc6f92b8 | 1333 | { |
12ba150f JB |
1334 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1335 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
90e65f07 JB |
1336 | |
1337 | if (bounds) | |
1338 | { | |
12ba150f JB |
1339 | bounds->width = FONT_WIDTH (f->display.x->font); |
1340 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1341 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1342 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
90e65f07 | 1343 | } |
12ba150f JB |
1344 | |
1345 | if (pix_x < 0) pix_x = 0; | |
1346 | else if (pix_x > f->width) pix_x = f->width; | |
1347 | ||
1348 | if (pix_y < 0) pix_y = 0; | |
1349 | else if (pix_y > f->height) pix_y = f->height; | |
1350 | ||
1351 | *x = pix_x; | |
1352 | *y = pix_y; | |
dc6f92b8 | 1353 | } |
dc6f92b8 JB |
1354 | |
1355 | /* Any buttons grabbed. */ | |
1356 | unsigned int x_mouse_grabbed; | |
1357 | ||
28430d3c JB |
1358 | /* Which modifier keys are on which modifier bits? |
1359 | ||
1360 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1361 | keys were held down when the key was pressed. The interpretation |
1362 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1363 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1364 | is the meta bit. | |
1365 | ||
1366 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1367 | It may have more than one bit set, if more than one modifier bit | |
1368 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1369 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1370 | ||
1371 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1372 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1373 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1374 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1375 | arrangement, the lock modifier should shift the character if | |
1376 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1377 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1378 | |
a3c44b14 RS |
1379 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1380 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1381 | ||
28430d3c JB |
1382 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1383 | static void | |
1384 | x_find_modifier_meanings () | |
1385 | { | |
f689eb05 | 1386 | int min_code, max_code; |
28430d3c JB |
1387 | KeySym *syms; |
1388 | int syms_per_code; | |
1389 | XModifierKeymap *mods; | |
1390 | ||
1391 | x_meta_mod_mask = 0; | |
11edeb03 | 1392 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1393 | x_alt_mod_mask = 0; |
1394 | x_super_mod_mask = 0; | |
1395 | x_hyper_mod_mask = 0; | |
28430d3c | 1396 | |
9658a521 | 1397 | #ifdef HAVE_X11R4 |
28430d3c | 1398 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1399 | #else |
1400 | min_code = x_current_display->min_keycode; | |
1401 | max_code = x_current_display->max_keycode; | |
1402 | #endif | |
1403 | ||
28430d3c JB |
1404 | syms = XGetKeyboardMapping (x_current_display, |
1405 | min_code, max_code - min_code + 1, | |
1406 | &syms_per_code); | |
1407 | mods = XGetModifierMapping (x_current_display); | |
1408 | ||
11edeb03 JB |
1409 | /* Scan the modifier table to see which modifier bits the Meta and |
1410 | Alt keysyms are on. */ | |
28430d3c JB |
1411 | { |
1412 | int row, col; /* The row and column in the modifier table. */ | |
1413 | ||
1414 | for (row = 3; row < 8; row++) | |
1415 | for (col = 0; col < mods->max_keypermod; col++) | |
1416 | { | |
1417 | KeyCode code = | |
1418 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1419 | ||
1420 | /* Are any of this keycode's keysyms a meta key? */ | |
1421 | { | |
1422 | int code_col; | |
1423 | ||
1424 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1425 | { | |
f689eb05 | 1426 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1427 | |
f689eb05 | 1428 | switch (sym) |
28430d3c | 1429 | { |
f689eb05 JB |
1430 | case XK_Meta_L: |
1431 | case XK_Meta_R: | |
28430d3c JB |
1432 | x_meta_mod_mask |= (1 << row); |
1433 | break; | |
f689eb05 JB |
1434 | |
1435 | case XK_Alt_L: | |
1436 | case XK_Alt_R: | |
a3c44b14 RS |
1437 | x_alt_mod_mask |= (1 << row); |
1438 | break; | |
1439 | ||
1440 | case XK_Hyper_L: | |
1441 | case XK_Hyper_R: | |
1442 | x_hyper_mod_mask |= (1 << row); | |
1443 | break; | |
1444 | ||
1445 | case XK_Super_L: | |
1446 | case XK_Super_R: | |
1447 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1448 | break; |
11edeb03 JB |
1449 | |
1450 | case XK_Shift_Lock: | |
1451 | /* Ignore this if it's not on the lock modifier. */ | |
1452 | if ((1 << row) == LockMask) | |
1453 | x_shift_lock_mask = LockMask; | |
1454 | break; | |
28430d3c JB |
1455 | } |
1456 | } | |
1457 | } | |
1458 | } | |
1459 | } | |
1460 | ||
f689eb05 JB |
1461 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1462 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1463 | { |
1464 | x_meta_mod_mask = x_alt_mod_mask; | |
1465 | x_alt_mod_mask = 0; | |
1466 | } | |
f689eb05 | 1467 | |
28430d3c | 1468 | XFree ((char *) syms); |
f689eb05 | 1469 | XFreeModifiermap (mods); |
28430d3c JB |
1470 | } |
1471 | ||
1472 | ||
dfeccd2d JB |
1473 | /* Convert between the modifier bits X uses and the modifier bits |
1474 | Emacs uses. */ | |
7c5283e4 | 1475 | static unsigned int |
dfeccd2d | 1476 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1477 | unsigned int state; |
1478 | { | |
11edeb03 JB |
1479 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1480 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1481 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1482 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1483 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1484 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1485 | } |
1486 | ||
dfeccd2d JB |
1487 | static unsigned int |
1488 | x_emacs_to_x_modifiers (state) | |
1489 | unsigned int state; | |
1490 | { | |
1491 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1492 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1493 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1494 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1495 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1496 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1497 | } | |
1498 | ||
dc6f92b8 JB |
1499 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1500 | ||
1501 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1502 | the mouse. */ |
dc6f92b8 JB |
1503 | |
1504 | static Lisp_Object | |
f451eb13 | 1505 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1506 | struct input_event *result; |
1507 | XButtonEvent *event; | |
f676886a | 1508 | struct frame *f; |
dc6f92b8 | 1509 | { |
f451eb13 | 1510 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1511 | otherwise. */ |
f451eb13 JB |
1512 | result->kind = mouse_click; |
1513 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1514 | result->timestamp = event->time; |
dfeccd2d | 1515 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
1516 | | (event->type == ButtonRelease |
1517 | ? up_modifier | |
1518 | : down_modifier)); | |
dc6f92b8 JB |
1519 | |
1520 | /* Notice if the mouse is still grabbed. */ | |
1521 | if (event->type == ButtonPress) | |
1522 | { | |
1523 | if (! x_mouse_grabbed) | |
1524 | Vmouse_depressed = Qt; | |
90e65f07 | 1525 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1526 | } |
1527 | else if (event->type == ButtonRelease) | |
1528 | { | |
90e65f07 | 1529 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1530 | if (!x_mouse_grabbed) |
1531 | Vmouse_depressed = Qnil; | |
1532 | } | |
1533 | ||
f451eb13 JB |
1534 | { |
1535 | int row, column; | |
dc6f92b8 | 1536 | |
f451eb13 JB |
1537 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1538 | XFASTINT (result->x) = column; | |
1539 | XFASTINT (result->y) = row; | |
12ba150f | 1540 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1541 | } |
dc6f92b8 JB |
1542 | } |
1543 | ||
1544 | ||
90e65f07 JB |
1545 | /* Mouse movement. Rah. |
1546 | ||
1547 | In order to avoid asking for motion events and then throwing most | |
1548 | of them away or busy-polling the server for mouse positions, we ask | |
1549 | the server for pointer motion hints. This means that we get only | |
1550 | one event per group of mouse movements. "Groups" are delimited by | |
1551 | other kinds of events (focus changes and button clicks, for | |
1552 | example), or by XQueryPointer calls; when one of these happens, we | |
1553 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1554 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1555 | tracking is on, and I suspect only negligibly worse when tracking |
1556 | is off. | |
1557 | ||
1558 | The silly O'Reilly & Associates Nutshell guides barely document | |
1559 | pointer motion hints at all (I think you have to infer how they | |
1560 | work from an example), and the description of XQueryPointer doesn't | |
1561 | mention that calling it causes you to get another motion hint from | |
1562 | the server, which is very important. */ | |
1563 | ||
1564 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1565 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1566 | static XRectangle last_mouse_glyph; |
1567 | ||
ab648270 | 1568 | /* The scroll bar in which the last X motion event occurred. |
12ba150f | 1569 | |
ab648270 JB |
1570 | If the last X motion event occured in a scroll bar, we set this |
1571 | so XTmouse_position can know whether to report a scroll bar motion or | |
12ba150f JB |
1572 | an ordinary motion. |
1573 | ||
ab648270 | 1574 | If the last X motion event didn't occur in a scroll bar, we set this |
12ba150f | 1575 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ |
ab648270 | 1576 | static Lisp_Object last_mouse_scroll_bar; |
f451eb13 | 1577 | |
e5d77022 JB |
1578 | /* This is a hack. We would really prefer that XTmouse_position would |
1579 | return the time associated with the position it returns, but there | |
1580 | doesn't seem to be any way to wrest the timestamp from the server | |
1581 | along with the position query. So, we just keep track of the time | |
1582 | of the last movement we received, and return that in hopes that | |
1583 | it's somewhat accurate. */ | |
1584 | static Time last_mouse_movement_time; | |
1585 | ||
90e65f07 JB |
1586 | /* Function to report a mouse movement to the mainstream Emacs code. |
1587 | The input handler calls this. | |
1588 | ||
1589 | We have received a mouse movement event, which is given in *event. | |
1590 | If the mouse is over a different glyph than it was last time, tell | |
1591 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1592 | another motion event, so we can check again the next time it moves. */ | |
1593 | static void | |
12ba150f | 1594 | note_mouse_movement (frame, event) |
f676886a | 1595 | FRAME_PTR frame; |
90e65f07 JB |
1596 | XMotionEvent *event; |
1597 | ||
1598 | { | |
e5d77022 JB |
1599 | last_mouse_movement_time = event->time; |
1600 | ||
90e65f07 JB |
1601 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1602 | if (event->x < last_mouse_glyph.x | |
1603 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1604 | || event->y < last_mouse_glyph.y | |
1605 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1606 | { |
1607 | mouse_moved = 1; | |
ab648270 | 1608 | last_mouse_scroll_bar = Qnil; |
12ba150f | 1609 | } |
90e65f07 JB |
1610 | else |
1611 | { | |
1612 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1613 | event the next time the mouse moves and we can see if it's | |
1614 | *still* on the same glyph. */ | |
1615 | int dummy; | |
1616 | ||
1617 | XQueryPointer (event->display, event->window, | |
1618 | (Window *) &dummy, (Window *) &dummy, | |
1619 | &dummy, &dummy, &dummy, &dummy, | |
1620 | (unsigned int *) &dummy); | |
1621 | } | |
1622 | } | |
1623 | ||
ab648270 JB |
1624 | static struct scroll_bar *x_window_to_scroll_bar (); |
1625 | static void x_scroll_bar_report_motion (); | |
12ba150f | 1626 | |
90e65f07 JB |
1627 | /* Return the current position of the mouse. |
1628 | ||
ab648270 JB |
1629 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
1630 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 1631 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 1632 | position on the scroll bar. |
12ba150f JB |
1633 | |
1634 | If the mouse movement started elsewhere, set *f to the frame the | |
1635 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1636 | the mouse is over. | |
1637 | ||
1638 | Set *time to the server timestamp for the time at which the mouse | |
1639 | was at this position. | |
1640 | ||
90e65f07 | 1641 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1642 | movement. This also calls XQueryPointer, which will cause the |
1643 | server to give us another MotionNotify when the mouse moves | |
1644 | again. */ | |
90e65f07 JB |
1645 | |
1646 | static void | |
12ba150f | 1647 | XTmouse_position (f, bar_window, part, x, y, time) |
f676886a | 1648 | FRAME_PTR *f; |
12ba150f | 1649 | Lisp_Object *bar_window; |
ab648270 | 1650 | enum scroll_bar_part *part; |
90e65f07 | 1651 | Lisp_Object *x, *y; |
e5d77022 | 1652 | unsigned long *time; |
90e65f07 | 1653 | { |
90e65f07 JB |
1654 | BLOCK_INPUT; |
1655 | ||
ab648270 JB |
1656 | if (! NILP (last_mouse_scroll_bar)) |
1657 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1658 | else |
1659 | { | |
12ba150f JB |
1660 | Window root; |
1661 | int root_x, root_y; | |
90e65f07 | 1662 | |
12ba150f JB |
1663 | Window dummy_window; |
1664 | int dummy; | |
1665 | ||
1666 | mouse_moved = 0; | |
ab648270 | 1667 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
1668 | |
1669 | /* Figure out which root window we're on. */ | |
1670 | XQueryPointer (x_current_display, | |
1671 | DefaultRootWindow (x_current_display), | |
1672 | ||
1673 | /* The root window which contains the pointer. */ | |
1674 | &root, | |
1675 | ||
1676 | /* Trash which we can't trust if the pointer is on | |
1677 | a different screen. */ | |
1678 | &dummy_window, | |
1679 | ||
1680 | /* The position on that root window. */ | |
1681 | &root_x, &root_y, | |
1682 | ||
1683 | /* More trash we can't trust. */ | |
1684 | &dummy, &dummy, | |
1685 | ||
1686 | /* Modifier keys and pointer buttons, about which | |
1687 | we don't care. */ | |
1688 | (unsigned int *) &dummy); | |
1689 | ||
1690 | /* Now we have a position on the root; find the innermost window | |
1691 | containing the pointer. */ | |
1692 | { | |
1693 | Window win, child; | |
1694 | int win_x, win_y; | |
1695 | int parent_x, parent_y; | |
1696 | ||
1697 | win = root; | |
1698 | for (;;) | |
1699 | { | |
1700 | XTranslateCoordinates (x_current_display, | |
1701 | ||
1702 | /* From-window, to-window. */ | |
1703 | root, win, | |
1704 | ||
1705 | /* From-position, to-position. */ | |
1706 | root_x, root_y, &win_x, &win_y, | |
1707 | ||
1708 | /* Child of win. */ | |
1709 | &child); | |
1710 | ||
1711 | if (child == None) | |
1712 | break; | |
1713 | ||
1714 | win = child; | |
1715 | parent_x = win_x; | |
1716 | parent_y = win_y; | |
1717 | } | |
1718 | ||
1719 | /* Now we know that: | |
1720 | win is the innermost window containing the pointer | |
1721 | (XTC says it has no child containing the pointer), | |
1722 | win_x and win_y are the pointer's position in it | |
1723 | (XTC did this the last time through), and | |
1724 | parent_x and parent_y are the pointer's position in win's parent. | |
1725 | (They are what win_x and win_y were when win was child. | |
1726 | If win is the root window, it has no parent, and | |
1727 | parent_{x,y} are invalid, but that's okay, because we'll | |
1728 | never use them in that case.) */ | |
1729 | ||
1730 | /* Is win one of our frames? */ | |
1731 | *f = x_window_to_frame (win); | |
1732 | ||
ab648270 | 1733 | /* If not, is it one of our scroll bars? */ |
12ba150f JB |
1734 | if (! *f) |
1735 | { | |
ab648270 | 1736 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
1737 | |
1738 | if (bar) | |
1739 | { | |
1740 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
1741 | win_x = parent_x; | |
1742 | win_y = parent_y; | |
1743 | } | |
1744 | } | |
90e65f07 | 1745 | |
12ba150f JB |
1746 | if (*f) |
1747 | { | |
1748 | pixel_to_glyph_coords (*f, win_x, win_y, &win_x, &win_y, | |
1749 | &last_mouse_glyph); | |
1750 | ||
1751 | *bar_window = Qnil; | |
1752 | *part = 0; | |
1753 | XSET (*x, Lisp_Int, win_x); | |
1754 | XSET (*y, Lisp_Int, win_y); | |
1755 | *time = last_mouse_movement_time; | |
1756 | } | |
1757 | } | |
1758 | } | |
90e65f07 JB |
1759 | |
1760 | UNBLOCK_INPUT; | |
1761 | } | |
1762 | ||
c118dd06 | 1763 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1764 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1765 | #endif /* ! defined (HAVE_X11) */ |
1766 | \f | |
ab648270 | 1767 | /* Scroll bar support. */ |
f451eb13 | 1768 | |
ab648270 JB |
1769 | /* Given an X window ID, find the struct scroll_bar which manages it. |
1770 | This can be called in GC, so we have to make sure to strip off mark | |
1771 | bits. */ | |
1772 | static struct scroll_bar * | |
1773 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
1774 | Window window_id; |
1775 | { | |
1776 | Lisp_Object tail, frame; | |
f451eb13 | 1777 | |
ab648270 JB |
1778 | for (tail = Vframe_list; |
1779 | XGCTYPE (tail) == Lisp_Cons; | |
1780 | tail = XCONS (tail)->cdr) | |
f451eb13 | 1781 | { |
f451eb13 | 1782 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1783 | Lisp_Object bar, condemned; |
f451eb13 JB |
1784 | |
1785 | /* All elements of Vframe_list should be frames. */ | |
ab648270 | 1786 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
1787 | abort (); |
1788 | ||
ab648270 | 1789 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 1790 | right window ID. */ |
ab648270 JB |
1791 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
1792 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 1793 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
1794 | condemned scroll bar lists with one loop. */ |
1795 | ! GC_NILP (bar) || (bar = condemned, | |
1796 | condemned = Qnil, | |
1797 | ! GC_NILP (bar)); | |
1798 | bar = XSCROLL_BAR(bar)->next) | |
1799 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1800 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
1801 | } |
1802 | ||
1803 | return 0; | |
1804 | } | |
1805 | ||
ab648270 JB |
1806 | /* Open a new X window to serve as a scroll bar, and return the |
1807 | scroll bar vector for it. */ | |
1808 | static struct scroll_bar * | |
1809 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 1810 | struct window *window; |
f451eb13 JB |
1811 | int top, left, width, height; |
1812 | { | |
12ba150f | 1813 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
1814 | struct scroll_bar *bar = |
1815 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
1816 | |
1817 | BLOCK_INPUT; | |
1818 | ||
1819 | { | |
1820 | XSetWindowAttributes a; | |
1821 | unsigned long mask; | |
1822 | ||
12ba150f JB |
1823 | a.background_pixel = frame->display.x->background_pixel; |
1824 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1825 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 1826 | | ExposureMask); |
ab648270 | 1827 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 1828 | |
dbc4e1c1 | 1829 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 1830 | |
ab648270 | 1831 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
1832 | (bar, |
1833 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 1834 | |
ab648270 | 1835 | /* Position and size of scroll bar. */ |
12ba150f | 1836 | left, top, width, height, |
f451eb13 | 1837 | |
12ba150f JB |
1838 | /* Border width, depth, class, and visual. */ |
1839 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 1840 | |
12ba150f JB |
1841 | /* Attributes. */ |
1842 | mask, &a)); | |
f451eb13 JB |
1843 | } |
1844 | ||
12ba150f JB |
1845 | XSET (bar->window, Lisp_Window, window); |
1846 | XSET (bar->top, Lisp_Int, top); | |
1847 | XSET (bar->left, Lisp_Int, left); | |
1848 | XSET (bar->width, Lisp_Int, width); | |
1849 | XSET (bar->height, Lisp_Int, height); | |
1850 | XSET (bar->start, Lisp_Int, 0); | |
1851 | XSET (bar->end, Lisp_Int, 0); | |
1852 | bar->dragging = Qnil; | |
f451eb13 JB |
1853 | |
1854 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 1855 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 1856 | bar->prev = Qnil; |
ab648270 | 1857 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 1858 | if (! NILP (bar->next)) |
ab648270 | 1859 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 1860 | |
ab648270 | 1861 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
1862 | |
1863 | UNBLOCK_INPUT; | |
12ba150f JB |
1864 | |
1865 | return bar; | |
f451eb13 JB |
1866 | } |
1867 | ||
12ba150f JB |
1868 | /* Draw BAR's handle in the proper position. |
1869 | If the handle is already drawn from START to END, don't bother | |
1870 | redrawing it, unless REBUILD is non-zero; in that case, always | |
1871 | redraw it. (REBUILD is handy for drawing the handle after expose | |
1872 | events.) | |
1873 | ||
1874 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 1875 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
1876 | handle, we want to let them drag it down all the way, so that the |
1877 | bar's top is as far down as it goes; otherwise, there's no way to | |
1878 | move to the very end of the buffer. */ | |
f451eb13 | 1879 | static void |
ab648270 JB |
1880 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
1881 | struct scroll_bar *bar; | |
f451eb13 | 1882 | int start, end; |
12ba150f | 1883 | int rebuild; |
f451eb13 | 1884 | { |
12ba150f | 1885 | int dragging = ! NILP (bar->dragging); |
ab648270 | 1886 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
1887 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
1888 | ||
1889 | /* If the display is already accurate, do nothing. */ | |
1890 | if (! rebuild | |
1891 | && start == XINT (bar->start) | |
1892 | && end == XINT (bar->end)) | |
1893 | return; | |
1894 | ||
f451eb13 JB |
1895 | BLOCK_INPUT; |
1896 | ||
1897 | { | |
ab648270 JB |
1898 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
1899 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
1900 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
1901 | |
1902 | /* Make sure the values are reasonable, and try to preserve | |
1903 | the distance between start and end. */ | |
12ba150f JB |
1904 | { |
1905 | int length = end - start; | |
1906 | ||
1907 | if (start < 0) | |
1908 | start = 0; | |
1909 | else if (start > top_range) | |
1910 | start = top_range; | |
1911 | end = start + length; | |
1912 | ||
1913 | if (end < start) | |
1914 | end = start; | |
1915 | else if (end > top_range && ! dragging) | |
1916 | end = top_range; | |
1917 | } | |
f451eb13 | 1918 | |
ab648270 | 1919 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
1920 | XSET (bar->start, Lisp_Int, start); |
1921 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 1922 | |
12ba150f JB |
1923 | /* Clip the end position, just for display. */ |
1924 | if (end > top_range) | |
1925 | end = top_range; | |
f451eb13 | 1926 | |
ab648270 | 1927 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
1928 | below top positions, to make sure the handle is always at least |
1929 | that many pixels tall. */ | |
ab648270 | 1930 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 1931 | |
12ba150f JB |
1932 | /* Draw the empty space above the handle. Note that we can't clear |
1933 | zero-height areas; that means "clear to end of window." */ | |
1934 | if (0 < start) | |
1935 | XClearArea (x_current_display, w, | |
f451eb13 | 1936 | |
12ba150f | 1937 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1938 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1939 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
1940 | inside_width, start, |
1941 | False); | |
f451eb13 | 1942 | |
12ba150f JB |
1943 | /* Draw the handle itself. */ |
1944 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 1945 | |
12ba150f | 1946 | /* x, y, width, height */ |
ab648270 JB |
1947 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1948 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 1949 | inside_width, end - start); |
f451eb13 | 1950 | |
f451eb13 | 1951 | |
12ba150f JB |
1952 | /* Draw the empty space below the handle. Note that we can't |
1953 | clear zero-height areas; that means "clear to end of window." */ | |
1954 | if (end < inside_height) | |
1955 | XClearArea (x_current_display, w, | |
f451eb13 | 1956 | |
12ba150f | 1957 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
1958 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
1959 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
1960 | inside_width, inside_height - end, |
1961 | False); | |
f451eb13 | 1962 | |
f451eb13 JB |
1963 | } |
1964 | ||
f451eb13 JB |
1965 | UNBLOCK_INPUT; |
1966 | } | |
1967 | ||
ab648270 | 1968 | /* Move a scroll bar around on the screen, to accomodate changing |
12ba150f | 1969 | window configurations. */ |
f451eb13 | 1970 | static void |
ab648270 JB |
1971 | x_scroll_bar_move (bar, top, left, width, height) |
1972 | struct scroll_bar *bar; | |
f451eb13 JB |
1973 | int top, left, width, height; |
1974 | { | |
1975 | BLOCK_INPUT; | |
1976 | ||
1977 | { | |
1978 | XWindowChanges wc; | |
1979 | unsigned int mask = 0; | |
1980 | ||
1981 | wc.x = left; | |
1982 | wc.y = top; | |
1983 | wc.width = width; | |
1984 | wc.height = height; | |
1985 | ||
12ba150f JB |
1986 | if (left != XINT (bar->left)) mask |= CWX; |
1987 | if (top != XINT (bar->top)) mask |= CWY; | |
1988 | if (width != XINT (bar->width)) mask |= CWWidth; | |
1989 | if (height != XINT (bar->height)) mask |= CWHeight; | |
1990 | ||
1991 | if (mask) | |
ab648270 | 1992 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 1993 | mask, &wc); |
f451eb13 JB |
1994 | } |
1995 | ||
12ba150f JB |
1996 | XSET (bar->left, Lisp_Int, left); |
1997 | XSET (bar->top, Lisp_Int, top); | |
1998 | XSET (bar->width, Lisp_Int, width); | |
1999 | XSET (bar->height, Lisp_Int, height); | |
2000 | ||
f451eb13 JB |
2001 | UNBLOCK_INPUT; |
2002 | } | |
2003 | ||
ab648270 | 2004 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2005 | to nil. */ |
2006 | static void | |
ab648270 JB |
2007 | x_scroll_bar_remove (bar) |
2008 | struct scroll_bar *bar; | |
12ba150f JB |
2009 | { |
2010 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2011 | ||
2012 | BLOCK_INPUT; | |
2013 | ||
2014 | /* Destroy the window. */ | |
ab648270 | 2015 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2016 | |
ab648270 JB |
2017 | /* Disassociate this scroll bar from its window. */ |
2018 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2019 | |
2020 | UNBLOCK_INPUT; | |
2021 | } | |
2022 | ||
2023 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2024 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2025 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2026 | create one. */ |
2027 | static void | |
ab648270 | 2028 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2029 | struct window *window; |
2030 | int portion, whole, position; | |
2031 | { | |
2032 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2033 | int top = XINT (window->top); |
ab648270 JB |
2034 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2035 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2036 | |
ab648270 | 2037 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2038 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2039 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2040 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2041 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2042 | |
ab648270 | 2043 | struct scroll_bar *bar; |
12ba150f | 2044 | |
ab648270 JB |
2045 | /* Does the scroll bar exist yet? */ |
2046 | if (NILP (window->vertical_scroll_bar)) | |
2047 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2048 | pixel_top, pixel_left, |
2049 | pixel_width, pixel_height); | |
2050 | else | |
12ba150f JB |
2051 | { |
2052 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2053 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2054 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2055 | } |
f451eb13 | 2056 | |
ab648270 | 2057 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2058 | dragged. */ |
12ba150f | 2059 | if (NILP (bar->dragging)) |
f451eb13 | 2060 | { |
12ba150f | 2061 | int top_range = |
ab648270 | 2062 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2063 | |
12ba150f | 2064 | if (whole == 0) |
ab648270 | 2065 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2066 | else |
2067 | { | |
2068 | int start = (position * top_range) / whole; | |
2069 | int end = ((position + portion) * top_range) / whole; | |
2070 | ||
ab648270 | 2071 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2072 | } |
f451eb13 JB |
2073 | } |
2074 | ||
ab648270 | 2075 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2076 | } |
2077 | ||
12ba150f | 2078 | |
f451eb13 | 2079 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2080 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2081 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2082 | away is a real pain - "Can you say set-window-configuration, boys |
2083 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2084 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2085 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2086 | |
ab648270 JB |
2087 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2088 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2089 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2090 | static void |
ab648270 | 2091 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2092 | FRAME_PTR frame; |
2093 | { | |
12ba150f JB |
2094 | /* The condemned list should be empty at this point; if it's not, |
2095 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2096 | protocol correctly. */ | |
ab648270 | 2097 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2098 | abort (); |
2099 | ||
2100 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2101 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2102 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2103 | } |
2104 | ||
ab648270 | 2105 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2106 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2107 | static void |
ab648270 | 2108 | XTredeem_scroll_bar (window) |
12ba150f | 2109 | struct window *window; |
f451eb13 | 2110 | { |
ab648270 | 2111 | struct scroll_bar *bar; |
12ba150f | 2112 | |
ab648270 JB |
2113 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2114 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2115 | abort (); |
2116 | ||
ab648270 | 2117 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2118 | |
2119 | /* Unlink it from the condemned list. */ | |
2120 | { | |
2121 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2122 | ||
2123 | if (NILP (bar->prev)) | |
2124 | { | |
2125 | /* If the prev pointer is nil, it must be the first in one of | |
2126 | the lists. */ | |
ab648270 | 2127 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2128 | /* It's not condemned. Everything's fine. */ |
2129 | return; | |
ab648270 JB |
2130 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2131 | window->vertical_scroll_bar)) | |
2132 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2133 | else |
2134 | /* If its prev pointer is nil, it must be at the front of | |
2135 | one or the other! */ | |
2136 | abort (); | |
2137 | } | |
2138 | else | |
ab648270 | 2139 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2140 | |
2141 | if (! NILP (bar->next)) | |
ab648270 | 2142 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2143 | |
ab648270 | 2144 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2145 | bar->prev = Qnil; |
ab648270 | 2146 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2147 | if (! NILP (bar->next)) |
ab648270 | 2148 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2149 | } |
f451eb13 JB |
2150 | } |
2151 | ||
ab648270 JB |
2152 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2153 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2154 | static void |
ab648270 | 2155 | XTjudge_scroll_bars (f) |
12ba150f | 2156 | FRAME_PTR f; |
f451eb13 | 2157 | { |
12ba150f | 2158 | Lisp_Object bar, next; |
f451eb13 | 2159 | |
ab648270 | 2160 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2161 | |
2162 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2163 | more events on the hapless scroll bars. */ |
2164 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2165 | |
2166 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2167 | { |
ab648270 | 2168 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2169 | |
ab648270 | 2170 | x_scroll_bar_remove (b); |
12ba150f JB |
2171 | |
2172 | next = b->next; | |
2173 | b->next = b->prev = Qnil; | |
f451eb13 | 2174 | } |
12ba150f | 2175 | |
ab648270 | 2176 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2177 | and they should get garbage-collected. */ |
f451eb13 JB |
2178 | } |
2179 | ||
2180 | ||
ab648270 JB |
2181 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2182 | ||
2183 | This may be called from a signal handler, so we have to ignore GC | |
2184 | mark bits. */ | |
f451eb13 | 2185 | static void |
ab648270 JB |
2186 | x_scroll_bar_expose (bar, event) |
2187 | struct scroll_bar *bar; | |
f451eb13 JB |
2188 | XEvent *event; |
2189 | { | |
ab648270 | 2190 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2191 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2192 | ||
f451eb13 JB |
2193 | BLOCK_INPUT; |
2194 | ||
ab648270 | 2195 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2196 | |
ab648270 | 2197 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2198 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2199 | |
2200 | /* x, y, width, height */ | |
12ba150f | 2201 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2202 | |
12ba150f JB |
2203 | /* Draw another line to make the extra-thick border on the right. */ |
2204 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2205 | |
12ba150f JB |
2206 | /* x, y, width, height */ |
2207 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2208 | |
2209 | UNBLOCK_INPUT; | |
2210 | } | |
2211 | ||
ab648270 JB |
2212 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2213 | is set to something other than no_event, it is enqueued. | |
2214 | ||
2215 | This may be called from a signal handler, so we have to ignore GC | |
2216 | mark bits. */ | |
f451eb13 | 2217 | static void |
ab648270 JB |
2218 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2219 | struct scroll_bar *bar; | |
f451eb13 JB |
2220 | XEvent *event; |
2221 | struct input_event *emacs_event; | |
2222 | { | |
ab648270 | 2223 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2224 | abort (); |
2225 | ||
ab648270 | 2226 | emacs_event->kind = scroll_bar_click; |
12ba150f | 2227 | XSET (emacs_event->code, Lisp_Int, event->xbutton.button - Button1); |
f451eb13 | 2228 | emacs_event->modifiers = |
dfeccd2d | 2229 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
2230 | | (event->type == ButtonRelease |
2231 | ? up_modifier | |
2232 | : down_modifier)); | |
12ba150f | 2233 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2234 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2235 | { |
2236 | int internal_height = | |
ab648270 | 2237 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2238 | int top_range = |
ab648270 JB |
2239 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2240 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2241 | |
2242 | if (y < 0) y = 0; | |
2243 | if (y > top_range) y = top_range; | |
2244 | ||
2245 | if (y < XINT (bar->start)) | |
ab648270 JB |
2246 | emacs_event->part = scroll_bar_above_handle; |
2247 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2248 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2249 | else |
ab648270 | 2250 | emacs_event->part = scroll_bar_below_handle; |
12ba150f JB |
2251 | |
2252 | /* If the user has just clicked on the handle, record where they're | |
2253 | holding it. */ | |
2254 | if (event->type == ButtonPress | |
ab648270 | 2255 | && emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2256 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
2257 | ||
2258 | /* If the user has released the handle, set it to its final position. */ | |
2259 | if (event->type == ButtonRelease | |
2260 | && ! NILP (bar->dragging)) | |
2261 | { | |
2262 | int new_start = y - XINT (bar->dragging); | |
2263 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2264 | |
ab648270 | 2265 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2266 | bar->dragging = Qnil; |
2267 | } | |
f451eb13 | 2268 | |
12ba150f JB |
2269 | /* Clicks on the handle are always reported as occuring at the top of |
2270 | the handle. */ | |
ab648270 | 2271 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2272 | emacs_event->x = bar->start; |
2273 | else | |
2274 | XSET (emacs_event->x, Lisp_Int, y); | |
f451eb13 | 2275 | |
12ba150f JB |
2276 | XSET (emacs_event->y, Lisp_Int, top_range); |
2277 | } | |
2278 | } | |
f451eb13 | 2279 | |
ab648270 JB |
2280 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2281 | ||
2282 | This may be called from a signal handler, so we have to ignore GC | |
2283 | mark bits. */ | |
f451eb13 | 2284 | static void |
ab648270 JB |
2285 | x_scroll_bar_note_movement (bar, event) |
2286 | struct scroll_bar *bar; | |
f451eb13 JB |
2287 | XEvent *event; |
2288 | { | |
2289 | last_mouse_movement_time = event->xmotion.time; | |
2290 | ||
2291 | mouse_moved = 1; | |
ab648270 | 2292 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2293 | |
2294 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2295 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2296 | { |
2297 | /* Where should the handle be now? */ | |
12ba150f | 2298 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2299 | |
12ba150f | 2300 | if (new_start != XINT (bar->start)) |
f451eb13 | 2301 | { |
12ba150f | 2302 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2303 | |
ab648270 | 2304 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2305 | } |
2306 | } | |
2307 | ||
2308 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2309 | moves and we can see *still* on the same position. */ | |
2310 | { | |
2311 | int dummy; | |
2312 | ||
2313 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2314 | (Window *) &dummy, (Window *) &dummy, | |
2315 | &dummy, &dummy, &dummy, &dummy, | |
2316 | (unsigned int *) &dummy); | |
2317 | } | |
2318 | } | |
2319 | ||
12ba150f | 2320 | /* Return information to the user about the current position of the mouse |
ab648270 | 2321 | on the scroll bar. */ |
12ba150f | 2322 | static void |
ab648270 | 2323 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2324 | FRAME_PTR *f; |
2325 | Lisp_Object *bar_window; | |
ab648270 | 2326 | enum scroll_bar_part *part; |
12ba150f JB |
2327 | Lisp_Object *x, *y; |
2328 | unsigned long *time; | |
2329 | { | |
ab648270 | 2330 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f JB |
2331 | int win_x, win_y; |
2332 | ||
cf7cb199 JB |
2333 | BLOCK_INPUT; |
2334 | ||
ab648270 | 2335 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f JB |
2336 | report that. */ |
2337 | { | |
2338 | Window dummy_window; | |
2339 | int dummy_coord; | |
2340 | unsigned int dummy_mask; | |
2341 | ||
2342 | if (! XQueryPointer (x_current_display, | |
ab648270 | 2343 | SCROLL_BAR_X_WINDOW (bar), |
12ba150f JB |
2344 | |
2345 | /* Root, child, root x and root y. */ | |
2346 | &dummy_window, &dummy_window, | |
2347 | &dummy_coord, &dummy_coord, | |
2348 | ||
ab648270 | 2349 | /* Position relative to scroll bar. */ |
12ba150f JB |
2350 | &win_x, &win_y, |
2351 | ||
2352 | /* Mouse buttons and modifier keys. */ | |
2353 | &dummy_mask)) | |
2354 | { | |
2355 | *f = 0; | |
cf7cb199 | 2356 | goto done; |
12ba150f JB |
2357 | } |
2358 | } | |
2359 | ||
2360 | { | |
ab648270 JB |
2361 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
2362 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
12ba150f | 2363 | |
ab648270 | 2364 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
2365 | |
2366 | if (! NILP (bar->dragging)) | |
2367 | win_y -= XINT (bar->dragging); | |
2368 | ||
2369 | if (win_y < 0) | |
2370 | win_y = 0; | |
2371 | if (win_y > top_range) | |
2372 | win_y = top_range; | |
2373 | ||
2374 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2375 | *bar_window = bar->window; | |
2376 | ||
2377 | if (! NILP (bar->dragging)) | |
ab648270 | 2378 | *part = scroll_bar_handle; |
12ba150f | 2379 | else if (win_y < XINT (bar->start)) |
ab648270 JB |
2380 | *part = scroll_bar_above_handle; |
2381 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2382 | *part = scroll_bar_handle; | |
12ba150f | 2383 | else |
ab648270 | 2384 | *part = scroll_bar_below_handle; |
12ba150f JB |
2385 | |
2386 | XSET (*x, Lisp_Int, win_y); | |
2387 | XSET (*y, Lisp_Int, top_range); | |
2388 | *time = last_mouse_movement_time; | |
2389 | } | |
2390 | ||
2391 | mouse_moved = 0; | |
ab648270 | 2392 | last_mouse_scroll_bar = Qnil; |
cf7cb199 JB |
2393 | |
2394 | done: | |
2395 | UNBLOCK_INPUT; | |
12ba150f JB |
2396 | } |
2397 | ||
f451eb13 | 2398 | |
dbc4e1c1 | 2399 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2400 | background colors, and the scroll bars may need to be redrawn. |
2401 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2402 | redraw them. */ |
2403 | ||
ab648270 | 2404 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2405 | FRAME_PTR f; |
2406 | { | |
2407 | Lisp_Object bar; | |
2408 | ||
ab648270 | 2409 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2410 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2411 | bar = XSCROLL_BAR (bar)->next) |
2412 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2413 | 0, 0, 0, 0, True); |
2414 | } | |
2415 | ||
2416 | ||
f451eb13 JB |
2417 | \f |
2418 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2419 | |
dc6f92b8 JB |
2420 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2421 | but we have to put it out here, since static variables within functions | |
2422 | sometimes don't work. */ | |
2423 | static Time enter_timestamp; | |
2424 | ||
11edeb03 JB |
2425 | /* This holds the state XLookupString needs to implement dead keys |
2426 | and other tricks known as "compose processing". _X Window System_ | |
2427 | says that a portable program can't use this, but Stephen Gildea assures | |
2428 | me that letting the compiler initialize it to zeros will work okay. | |
2429 | ||
2430 | This must be defined outside of XTread_socket, for the same reasons | |
2431 | given for enter_timestamp, above. */ | |
2432 | static XComposeStatus compose_status; | |
2433 | ||
c047688c JA |
2434 | /* Communication with window managers. */ |
2435 | Atom Xatom_wm_protocols; | |
2436 | ||
2437 | /* Kinds of protocol things we may receive. */ | |
2438 | Atom Xatom_wm_take_focus; | |
2439 | Atom Xatom_wm_save_yourself; | |
2440 | Atom Xatom_wm_delete_window; | |
2441 | ||
2442 | /* Other WM communication */ | |
2443 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2444 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2445 | ||
d56a553a RS |
2446 | /* Window manager communication. */ |
2447 | Atom Xatom_wm_change_state; | |
2448 | ||
10e6549c RS |
2449 | /* Record the last 100 characters stored |
2450 | to help debug the loss-of-chars-during-GC problem. */ | |
2451 | int temp_index; | |
2452 | short temp_buffer[100]; | |
2453 | ||
dc6f92b8 JB |
2454 | /* Read events coming from the X server. |
2455 | This routine is called by the SIGIO handler. | |
2456 | We return as soon as there are no more events to be read. | |
2457 | ||
2458 | Events representing keys are stored in buffer BUFP, | |
2459 | which can hold up to NUMCHARS characters. | |
2460 | We return the number of characters stored into the buffer, | |
2461 | thus pretending to be `read'. | |
2462 | ||
2463 | WAITP is nonzero if we should block until input arrives. | |
2464 | EXPECTED is nonzero if the caller knows input is available. */ | |
2465 | ||
7c5283e4 | 2466 | int |
dc6f92b8 JB |
2467 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2468 | register int sd; | |
2469 | register struct input_event *bufp; | |
2470 | register int numchars; | |
2471 | int waitp; | |
2472 | int expected; | |
2473 | { | |
2474 | int count = 0; | |
2475 | int nbytes = 0; | |
2476 | int mask; | |
2477 | int items_pending; /* How many items are in the X queue. */ | |
2478 | XEvent event; | |
f676886a | 2479 | struct frame *f; |
dc6f92b8 JB |
2480 | int event_found; |
2481 | int prefix; | |
2482 | Lisp_Object part; | |
2483 | ||
9ac0d9e0 | 2484 | if (interrupt_input_blocked) |
dc6f92b8 | 2485 | { |
9ac0d9e0 | 2486 | interrupt_input_pending = 1; |
dc6f92b8 JB |
2487 | return -1; |
2488 | } | |
2489 | ||
9ac0d9e0 | 2490 | interrupt_input_pending = 0; |
dc6f92b8 JB |
2491 | BLOCK_INPUT; |
2492 | ||
2493 | if (numchars <= 0) | |
2494 | abort (); /* Don't think this happens. */ | |
2495 | ||
2496 | #ifdef FIOSNBIO | |
2497 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2498 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2499 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2500 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2501 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2502 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2503 | |
2504 | #ifndef SIGIO | |
2505 | #ifndef HAVE_SELECT | |
2506 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2507 | { | |
2508 | extern int read_alarm_should_throw; | |
2509 | read_alarm_should_throw = 1; | |
2510 | XPeekEvent (XDISPLAY &event); | |
2511 | read_alarm_should_throw = 0; | |
2512 | } | |
c118dd06 JB |
2513 | #endif /* HAVE_SELECT */ |
2514 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2515 | |
2516 | while (XStuffPending () != 0) | |
2517 | { | |
2518 | XNextEvent (XDISPLAY &event); | |
2519 | event_found = 1; | |
2520 | ||
2521 | switch (event.type) | |
2522 | { | |
2523 | #ifdef HAVE_X11 | |
c047688c JA |
2524 | case ClientMessage: |
2525 | { | |
2526 | if (event.xclient.message_type == Xatom_wm_protocols | |
2527 | && event.xclient.format == 32) | |
2528 | { | |
2529 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2530 | { | |
f676886a JB |
2531 | f = x_window_to_frame (event.xclient.window); |
2532 | if (f) | |
2533 | x_focus_on_frame (f); | |
ab648270 | 2534 | /* Not certain about handling scroll bars here */ |
c047688c JA |
2535 | } |
2536 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2537 | { | |
2538 | /* Save state modify the WM_COMMAND property to | |
2539 | something which can reinstate us. This notifies | |
2540 | the session manager, who's looking for such a | |
2541 | PropertyNotify. Can restart processing when | |
2542 | a keyboard or mouse event arrives. */ | |
2543 | if (numchars > 0) | |
2544 | { | |
2545 | } | |
2546 | } | |
2547 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2548 | { | |
f676886a | 2549 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2550 | |
f676886a | 2551 | if (f) |
c047688c JA |
2552 | if (numchars > 0) |
2553 | { | |
2554 | } | |
2555 | } | |
2556 | } | |
2557 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2558 | { | |
2559 | } | |
2560 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2561 | { | |
2562 | int new_x, new_y; | |
2563 | ||
4357eba7 JB |
2564 | new_x = event.xclient.data.s[0]; |
2565 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2566 | } |
2567 | } | |
2568 | break; | |
dc6f92b8 | 2569 | |
d56a553a RS |
2570 | #ifdef NEW_SELECTIONS |
2571 | case SelectionNotify: | |
2572 | x_handle_selection_notify (&event); | |
2573 | break; | |
2574 | #endif | |
2575 | ||
dc6f92b8 | 2576 | case SelectionClear: /* Someone has grabbed ownership. */ |
d56a553a RS |
2577 | #ifdef NEW_SELECTIONS |
2578 | { | |
2579 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
2580 | ||
2581 | if (numchars == 0) | |
2582 | abort (); | |
2583 | ||
2584 | bufp->kind = selection_clear_event; | |
2585 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2586 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2587 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2588 | bufp++; | |
2589 | ||
2590 | count += 1; | |
2591 | numchars -= 1; | |
2592 | } | |
2593 | #else | |
dc6f92b8 JB |
2594 | x_disown_selection (event.xselectionclear.window, |
2595 | event.xselectionclear.selection, | |
2596 | event.xselectionclear.time); | |
d56a553a | 2597 | #endif |
dc6f92b8 JB |
2598 | break; |
2599 | ||
2600 | case SelectionRequest: /* Someone wants our selection. */ | |
d56a553a RS |
2601 | #ifdef NEW_SELECTIONS |
2602 | { | |
2603 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
2604 | ||
2605 | if (numchars == 0) | |
2606 | abort (); | |
2607 | ||
2608 | bufp->kind = selection_request_event; | |
2609 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2610 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
2611 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2612 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
2613 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
2614 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2615 | bufp++; | |
2616 | ||
2617 | count += 1; | |
2618 | numchars -= 1; | |
2619 | } | |
2620 | #else | |
dc6f92b8 | 2621 | x_answer_selection_request (event); |
d56a553a | 2622 | #endif |
dc6f92b8 JB |
2623 | break; |
2624 | ||
2625 | case PropertyNotify: | |
d56a553a RS |
2626 | #ifdef NEW_SELECTIONS |
2627 | x_handle_property_notify (&event); | |
2628 | #else | |
28430d3c JB |
2629 | /* If we're being told about a root window property, then it's |
2630 | a cut buffer change. */ | |
2631 | if (event.xproperty.window == ROOT_WINDOW) | |
2632 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2633 | ||
2634 | /* Otherwise, we're probably handling an incremental | |
2635 | selection transmission. */ | |
2636 | else | |
2637 | { | |
2638 | /* If we were to do this synchronously, there'd be no worry | |
2639 | about re-selecting. */ | |
2640 | x_send_incremental (event); | |
2641 | } | |
d56a553a | 2642 | #endif |
dc6f92b8 JB |
2643 | break; |
2644 | ||
2645 | case Expose: | |
f676886a JB |
2646 | f = x_window_to_frame (event.xexpose.window); |
2647 | if (f) | |
dc6f92b8 | 2648 | { |
3a88c238 | 2649 | if (f->async_visible == 0) |
dc6f92b8 | 2650 | { |
3a88c238 JB |
2651 | f->async_visible = 1; |
2652 | f->async_iconified = 0; | |
f676886a | 2653 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2654 | } |
2655 | else | |
f451eb13 JB |
2656 | { |
2657 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2658 | event.xexpose.x, event.xexpose.y, | |
2659 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2660 | } |
2661 | } | |
2662 | else | |
2663 | { | |
ab648270 JB |
2664 | struct scroll_bar *bar |
2665 | = x_window_to_scroll_bar (event.xexpose.window); | |
f451eb13 JB |
2666 | |
2667 | if (bar) | |
ab648270 | 2668 | x_scroll_bar_expose (bar, &event); |
dc6f92b8 JB |
2669 | } |
2670 | break; | |
2671 | ||
2672 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2673 | source area was obscured or not | |
2674 | available.*/ | |
f451eb13 JB |
2675 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2676 | if (f) | |
2677 | { | |
2678 | dumprectangle (f, | |
2679 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2680 | event.xgraphicsexpose.width, | |
2681 | event.xgraphicsexpose.height); | |
f451eb13 | 2682 | } |
dc6f92b8 JB |
2683 | break; |
2684 | ||
2685 | case NoExpose: /* This occurs when an XCopyArea's | |
2686 | source area was completely | |
2687 | available */ | |
2688 | break; | |
c118dd06 | 2689 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2690 | case ExposeWindow: |
2691 | if (event.subwindow != 0) | |
2692 | break; /* duplicate event */ | |
f676886a JB |
2693 | f = x_window_to_frame (event.window); |
2694 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2695 | { |
f676886a | 2696 | refreshicon (f); |
3a88c238 | 2697 | f->async_iconified = 1; |
dc6f92b8 | 2698 | } |
c118dd06 | 2699 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2700 | { |
2701 | /* Say must check all windows' needs_exposure flags. */ | |
2702 | expose_all_windows = 1; | |
f676886a | 2703 | f->display.x->needs_exposure = 1; |
3a88c238 | 2704 | f->async_visible = 1; |
dc6f92b8 JB |
2705 | } |
2706 | break; | |
2707 | ||
2708 | case ExposeRegion: | |
2709 | if (event.subwindow != 0) | |
2710 | break; /* duplicate event */ | |
f676886a JB |
2711 | f = x_window_to_frame (event.window); |
2712 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2713 | { |
f676886a | 2714 | refreshicon (f); |
dc6f92b8 JB |
2715 | break; |
2716 | } | |
2717 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2718 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2719 | break; |
2720 | /* Put the event on the queue of rectangles to redraw. */ | |
2721 | if (enqueue_event (&event, &x_expose_queue)) | |
2722 | /* If it is full, we can't record the rectangle, | |
2723 | so redraw this entire window. */ | |
2724 | { | |
2725 | /* Say must check all windows' needs_exposure flags. */ | |
2726 | expose_all_windows = 1; | |
f676886a | 2727 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2728 | } |
2729 | break; | |
2730 | ||
2731 | case ExposeCopy: | |
2732 | /* This should happen only when we are expecting it, | |
2733 | in x_read_exposes. */ | |
2734 | abort (); | |
c118dd06 | 2735 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2736 | |
2737 | #ifdef HAVE_X11 | |
2738 | case UnmapNotify: | |
f451eb13 JB |
2739 | f = x_window_to_frame (event.xunmap.window); |
2740 | if (f) /* F may no longer exist if | |
f676886a | 2741 | the frame was deleted. */ |
f451eb13 JB |
2742 | { |
2743 | /* While a frame is unmapped, display generation is | |
2744 | disabled; you don't want to spend time updating a | |
2745 | display that won't ever be seen. */ | |
2746 | f->async_visible = 0; | |
2747 | } | |
dc6f92b8 JB |
2748 | break; |
2749 | ||
2750 | case MapNotify: | |
f676886a JB |
2751 | f = x_window_to_frame (event.xmap.window); |
2752 | if (f) | |
dc6f92b8 | 2753 | { |
3a88c238 JB |
2754 | f->async_visible = 1; |
2755 | f->async_iconified = 0; | |
dc6f92b8 JB |
2756 | |
2757 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2758 | the frame's display structures. */ |
2759 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2760 | } |
2761 | break; | |
2762 | ||
2763 | /* Turn off processing if we become fully obscured. */ | |
2764 | case VisibilityNotify: | |
2765 | break; | |
2766 | ||
c118dd06 | 2767 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2768 | case UnmapWindow: |
f676886a JB |
2769 | f = x_window_to_frame (event.window); |
2770 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2771 | f->async_iconified = 0; |
c118dd06 | 2772 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2773 | f->async_visible = 0; |
dc6f92b8 | 2774 | break; |
c118dd06 | 2775 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2776 | |
2777 | #ifdef HAVE_X11 | |
2778 | case KeyPress: | |
f676886a | 2779 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2780 | |
f676886a | 2781 | if (f != 0) |
dc6f92b8 JB |
2782 | { |
2783 | KeySym keysym; | |
dc6f92b8 | 2784 | char copy_buffer[80]; |
64bb1782 RS |
2785 | int modifiers; |
2786 | ||
dfeccd2d JB |
2787 | event.xkey.state |
2788 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 2789 | modifiers = event.xkey.state; |
3a2712f9 | 2790 | |
11edeb03 JB |
2791 | /* This will have to go some day... */ |
2792 | nbytes = | |
2793 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2794 | &compose_status); | |
dc6f92b8 | 2795 | |
55123275 JB |
2796 | /* Strip off the vendor-specific keysym bit, and take a shot |
2797 | at recognizing the codes. HP servers have extra keysyms | |
2798 | that fit into the MiscFunctionKey category. */ | |
2799 | keysym &= ~(1<<28); | |
2800 | ||
dc6f92b8 JB |
2801 | if (numchars > 1) |
2802 | { | |
a3c44b14 RS |
2803 | if ((keysym >= XK_BackSpace && keysym <= XK_Escape) |
2804 | || keysym == XK_Delete | |
2805 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
55123275 JB |
2806 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < 0xff80 */ |
2807 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ | |
2808 | || IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */ | |
dc6f92b8 | 2809 | { |
10e6549c RS |
2810 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2811 | temp_index = 0; | |
2812 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 2813 | bufp->kind = non_ascii_keystroke; |
a3c44b14 | 2814 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff00); |
12ba150f | 2815 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 2816 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 2817 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2818 | bufp++; |
2819 | count++; | |
2820 | numchars--; | |
2821 | } | |
2822 | else if (numchars > nbytes) | |
2823 | { | |
2824 | register int i; | |
2825 | ||
10e6549c | 2826 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 2827 | { |
10e6549c RS |
2828 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
2829 | temp_index = 0; | |
2830 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 2831 | bufp->kind = ascii_keystroke; |
10e6549c | 2832 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); |
12ba150f | 2833 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 2834 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 2835 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2836 | bufp++; |
2837 | } | |
dc6f92b8 JB |
2838 | |
2839 | count += nbytes; | |
2840 | numchars -= nbytes; | |
2841 | } | |
10e6549c RS |
2842 | else |
2843 | abort (); | |
dc6f92b8 | 2844 | } |
10e6549c RS |
2845 | else |
2846 | abort (); | |
dc6f92b8 JB |
2847 | } |
2848 | break; | |
c118dd06 | 2849 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2850 | case KeyPressed: |
2851 | { | |
2852 | register char *where_mapping; | |
2853 | ||
f676886a | 2854 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2855 | /* Ignore keys typed on icon windows. */ |
f676886a | 2856 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2857 | break; |
2858 | where_mapping = XLookupMapping (&event, &nbytes); | |
2859 | /* Nasty fix for arrow keys */ | |
2860 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2861 | { | |
2862 | switch (event.detail & 0xff) | |
2863 | { | |
2864 | case KC_CURSOR_LEFT: | |
2865 | where_mapping = "\002"; | |
2866 | break; | |
2867 | case KC_CURSOR_RIGHT: | |
2868 | where_mapping = "\006"; | |
2869 | break; | |
2870 | case KC_CURSOR_UP: | |
2871 | where_mapping = "\020"; | |
2872 | break; | |
2873 | case KC_CURSOR_DOWN: | |
2874 | where_mapping = "\016"; | |
2875 | break; | |
2876 | } | |
2877 | nbytes = 1; | |
2878 | } | |
2879 | if (numchars - nbytes > 0) | |
2880 | { | |
2881 | register int i; | |
2882 | ||
2883 | for (i = 0; i < nbytes; i++) | |
2884 | { | |
2885 | bufp->kind = ascii_keystroke; | |
2886 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2887 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 2888 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
2889 | bufp++; |
2890 | } | |
2891 | count += nbytes; | |
2892 | numchars -= nbytes; | |
2893 | } | |
2894 | } | |
2895 | break; | |
c118dd06 | 2896 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2897 | |
2898 | #ifdef HAVE_X11 | |
f451eb13 JB |
2899 | |
2900 | /* Here's a possible interpretation of the whole | |
2901 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
2902 | FocusIn event, you have to get a FocusOut event before you | |
2903 | relinquish the focus. If you haven't received a FocusIn event, | |
2904 | then a mere LeaveNotify is enough to free you. */ | |
2905 | ||
dc6f92b8 | 2906 | case EnterNotify: |
f676886a | 2907 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 2908 | |
f451eb13 | 2909 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 2910 | { |
dc6f92b8 | 2911 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
2912 | if (f && (!(f->auto_raise) |
2913 | || !(f->auto_lower) | |
dc6f92b8 JB |
2914 | || (event.xcrossing.time - enter_timestamp) > 500)) |
2915 | { | |
f676886a | 2916 | x_new_focus_frame (f); |
dc6f92b8 JB |
2917 | enter_timestamp = event.xcrossing.time; |
2918 | } | |
dc6f92b8 | 2919 | } |
f676886a JB |
2920 | else if (f == x_focus_frame) |
2921 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2922 | |
2923 | break; | |
2924 | ||
2925 | case FocusIn: | |
f676886a | 2926 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2927 | if (event.xfocus.detail != NotifyPointer) |
2928 | x_focus_event_frame = f; | |
f676886a JB |
2929 | if (f) |
2930 | x_new_focus_frame (f); | |
dc6f92b8 JB |
2931 | break; |
2932 | ||
f451eb13 | 2933 | |
dc6f92b8 | 2934 | case LeaveNotify: |
f451eb13 | 2935 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 2936 | |
f451eb13 JB |
2937 | if (event.xcrossing.focus) |
2938 | { | |
2939 | if (! x_focus_event_frame) | |
2940 | x_new_focus_frame (0); | |
2941 | else | |
f676886a | 2942 | x_new_focus_frame (f); |
f451eb13 JB |
2943 | } |
2944 | else | |
2945 | { | |
2946 | if (f == x_focus_event_frame) | |
2947 | x_focus_event_frame = 0; | |
2948 | if (f == x_focus_frame) | |
f676886a | 2949 | x_new_focus_frame (0); |
dc6f92b8 JB |
2950 | } |
2951 | break; | |
2952 | ||
2953 | case FocusOut: | |
f676886a | 2954 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2955 | if (event.xfocus.detail != NotifyPointer |
2956 | && f == x_focus_event_frame) | |
2957 | x_focus_event_frame = 0; | |
f676886a JB |
2958 | if (f && f == x_focus_frame) |
2959 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2960 | break; |
2961 | ||
c118dd06 | 2962 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2963 | |
2964 | case EnterWindow: | |
2965 | if ((event.detail & 0xFF) == 1) | |
2966 | break; /* Coming from our own subwindow */ | |
2967 | if (event.subwindow != 0) | |
2968 | break; /* Entering our own subwindow. */ | |
2969 | ||
2970 | { | |
f676886a JB |
2971 | f = x_window_to_frame (event.window); |
2972 | x_mouse_frame = f; | |
dc6f92b8 | 2973 | |
f676886a | 2974 | x_new_focus_frame (f); |
dc6f92b8 JB |
2975 | } |
2976 | break; | |
2977 | ||
2978 | case LeaveWindow: | |
2979 | if ((event.detail & 0xFF) == 1) | |
2980 | break; /* Entering our own subwindow */ | |
2981 | if (event.subwindow != 0) | |
2982 | break; /* Leaving our own subwindow. */ | |
2983 | ||
f676886a JB |
2984 | x_mouse_frame = 0; |
2985 | if (x_focus_frame == 0 | |
2986 | && x_input_frame != 0 | |
2987 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 2988 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 2989 | { |
f676886a JB |
2990 | f = x_input_frame; |
2991 | x_input_frame = 0; | |
2992 | if (f) | |
2993 | frame_unhighlight (f); | |
dc6f92b8 JB |
2994 | } |
2995 | break; | |
c118dd06 | 2996 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2997 | |
2998 | #ifdef HAVE_X11 | |
2999 | case MotionNotify: | |
3000 | { | |
f676886a JB |
3001 | f = x_window_to_frame (event.xmotion.window); |
3002 | if (f) | |
12ba150f | 3003 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 3004 | else |
dc6f92b8 | 3005 | { |
ab648270 JB |
3006 | struct scroll_bar *bar = |
3007 | x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3008 | |
3009 | if (bar) | |
ab648270 | 3010 | x_scroll_bar_note_movement (bar, &event); |
dc6f92b8 | 3011 | } |
dc6f92b8 JB |
3012 | } |
3013 | break; | |
3014 | ||
3015 | case ConfigureNotify: | |
dbc4e1c1 JB |
3016 | f = x_window_to_frame (event.xconfigure.window); |
3017 | if (f) | |
3018 | { | |
3019 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3020 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3021 | ||
3022 | /* Even if the number of character rows and columns has | |
3023 | not changed, the font size may have changed, so we need | |
3024 | to check the pixel dimensions as well. */ | |
3025 | if (columns != f->width | |
3026 | || rows != f->height | |
3027 | || event.xconfigure.width != f->display.x->pixel_width | |
3028 | || event.xconfigure.height != f->display.x->pixel_height) | |
3029 | { | |
3030 | change_frame_size (f, rows, columns, 0, 1); | |
3031 | SET_FRAME_GARBAGED (f); | |
3032 | } | |
dc6f92b8 | 3033 | |
dbc4e1c1 JB |
3034 | f->display.x->pixel_width = event.xconfigure.width; |
3035 | f->display.x->pixel_height = event.xconfigure.height; | |
3036 | f->display.x->left_pos = event.xconfigure.x; | |
3037 | f->display.x->top_pos = event.xconfigure.y; | |
3038 | } | |
3039 | break; | |
dc6f92b8 JB |
3040 | |
3041 | case ButtonPress: | |
3042 | case ButtonRelease: | |
3043 | { | |
3044 | /* If we decide we want to generate an event to be seen | |
3045 | by the rest of Emacs, we put it here. */ | |
3046 | struct input_event emacs_event; | |
3047 | emacs_event.kind = no_event; | |
3048 | ||
f676886a JB |
3049 | f = x_window_to_frame (event.xbutton.window); |
3050 | if (f) | |
f451eb13 JB |
3051 | { |
3052 | if (!x_focus_frame || (f == x_focus_frame)) | |
3053 | construct_mouse_click (&emacs_event, | |
b10fd412 | 3054 | &event, f); |
f451eb13 | 3055 | } |
dc6f92b8 | 3056 | else |
f451eb13 | 3057 | { |
ab648270 JB |
3058 | struct scroll_bar *bar = |
3059 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3060 | |
3061 | if (bar) | |
ab648270 | 3062 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
f451eb13 | 3063 | } |
dc6f92b8 JB |
3064 | |
3065 | if (numchars >= 1 && emacs_event.kind != no_event) | |
3066 | { | |
3067 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3068 | bufp++; | |
3069 | count++; | |
3070 | numchars--; | |
3071 | } | |
3072 | } | |
3073 | break; | |
3074 | ||
c118dd06 | 3075 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3076 | case ButtonPressed: |
3077 | case ButtonReleased: | |
f676886a JB |
3078 | f = x_window_to_frame (event.window); |
3079 | if (f) | |
dc6f92b8 | 3080 | { |
f676886a | 3081 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 3082 | { |
f676886a | 3083 | x_make_frame_visible (f); |
dc6f92b8 JB |
3084 | |
3085 | if (warp_mouse_on_deiconify) | |
c118dd06 | 3086 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
3087 | break; |
3088 | } | |
c118dd06 | 3089 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 3090 | { |
f676886a JB |
3091 | if (f->auto_raise) |
3092 | x_raise_frame (f); | |
dc6f92b8 JB |
3093 | } |
3094 | } | |
3095 | enqueue_event (&event, &x_mouse_queue); | |
3096 | if (numchars >= 2) | |
3097 | { | |
3098 | bufp->kind = ascii_keystroke; | |
3099 | bufp->code = (char) 'X' & 037; /* C-x */ | |
12ba150f | 3100 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3101 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3102 | bufp++; |
3103 | ||
3104 | bufp->kind = ascii_keystroke; | |
3105 | bufp->code = (char) 0; /* C-@ */ | |
12ba150f | 3106 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3107 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3108 | bufp++; |
3109 | ||
3110 | count += 2; | |
3111 | numchars -= 2; | |
3112 | } | |
3113 | break; | |
c118dd06 | 3114 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3115 | |
3116 | #ifdef HAVE_X11 | |
3117 | ||
3118 | case CirculateNotify: | |
3119 | break; | |
3120 | case CirculateRequest: | |
3121 | break; | |
3122 | ||
c118dd06 | 3123 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3124 | |
3125 | case MappingNotify: | |
11edeb03 JB |
3126 | /* Someone has changed the keyboard mapping - update the |
3127 | local cache. */ | |
3128 | switch (event.xmapping.request) | |
3129 | { | |
3130 | case MappingModifier: | |
3131 | x_find_modifier_meanings (); | |
3132 | /* This is meant to fall through. */ | |
3133 | case MappingKeyboard: | |
3134 | XRefreshKeyboardMapping (&event.xmapping); | |
3135 | } | |
dc6f92b8 JB |
3136 | break; |
3137 | ||
3138 | default: | |
3139 | break; | |
3140 | } | |
3141 | } | |
3142 | ||
3143 | #if 0 | |
3144 | #ifdef HAVE_SELECT | |
3145 | if (expected && ! event_found) | |
3146 | { | |
3147 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3148 | there is an EOF condition; in other words, that X has died. | |
3149 | Act as if there had been a hangup. */ | |
3150 | ||
3151 | int fd = ConnectionNumber (x_current_display); | |
3152 | int mask = 1 << fd; | |
3153 | ||
3154 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 3155 | (EMACS_TIME) 0) |
dc6f92b8 JB |
3156 | && !XStuffPending ()) |
3157 | kill (getpid (), SIGHUP); | |
3158 | } | |
c118dd06 JB |
3159 | #endif /* ! defined (HAVE_SELECT) */ |
3160 | #endif /* ! 0 */ | |
dc6f92b8 | 3161 | |
f451eb13 | 3162 | #ifndef HAVE_X11 |
f676886a | 3163 | if (updating_frame == 0) |
dc6f92b8 | 3164 | x_do_pending_expose (); |
f451eb13 | 3165 | #endif |
dc6f92b8 JB |
3166 | |
3167 | UNBLOCK_INPUT; | |
3168 | return count; | |
3169 | } | |
3170 | ||
3171 | #ifndef HAVE_X11 | |
3172 | /* Read and process only Expose events | |
3173 | until we get an ExposeCopy event; then return. | |
3174 | This is used in insert/delete line. | |
3175 | We assume input is already blocked. */ | |
3176 | ||
3177 | static void | |
3178 | x_read_exposes () | |
3179 | { | |
f676886a | 3180 | struct frame *f; |
dc6f92b8 JB |
3181 | XKeyPressedEvent event; |
3182 | ||
3183 | while (1) | |
3184 | { | |
3185 | /* while there are more events*/ | |
3186 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3187 | switch (event.type) | |
3188 | { | |
3189 | case ExposeWindow: | |
3190 | if (event.subwindow != 0) | |
3191 | break; /* duplicate event */ | |
f676886a JB |
3192 | f = x_window_to_frame (event.window); |
3193 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3194 | { |
f676886a | 3195 | refreshicon (f); |
dc6f92b8 JB |
3196 | break; |
3197 | } | |
c118dd06 | 3198 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3199 | { |
3200 | expose_all_windows = 1; | |
f676886a | 3201 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3202 | break; |
3203 | } | |
3204 | break; | |
3205 | ||
3206 | case ExposeRegion: | |
3207 | if (event.subwindow != 0) | |
3208 | break; /* duplicate event */ | |
f676886a JB |
3209 | f = x_window_to_frame (event.window); |
3210 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3211 | { |
f676886a | 3212 | refreshicon (f); |
dc6f92b8 JB |
3213 | break; |
3214 | } | |
3215 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3216 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3217 | break; |
3218 | /* Put the event on the queue of rectangles to redraw. */ | |
3219 | if (enqueue_event (&event, &x_expose_queue)) | |
3220 | /* If it is full, we can't record the rectangle, | |
3221 | so redraw this entire window. */ | |
3222 | { | |
3223 | /* Say must check all windows' needs_exposure flags. */ | |
3224 | expose_all_windows = 1; | |
f676886a | 3225 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3226 | } |
3227 | break; | |
3228 | ||
3229 | case ExposeCopy: | |
3230 | return; | |
3231 | } | |
3232 | } | |
3233 | } | |
3234 | #endif /* HAVE_X11 */ | |
3235 | ||
dc6f92b8 | 3236 | \f |
f451eb13 JB |
3237 | /* Drawing the cursor. */ |
3238 | ||
3239 | ||
dc6f92b8 JB |
3240 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3241 | ||
3242 | static void | |
f676886a JB |
3243 | x_draw_box (f) |
3244 | struct frame *f; | |
dc6f92b8 | 3245 | { |
12ba150f JB |
3246 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3247 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3248 | int width = FONT_WIDTH (f->display.x->font); |
3249 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3250 | |
3251 | #ifdef HAVE_X11 | |
c118dd06 | 3252 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3253 | f->display.x->cursor_gc, |
dc6f92b8 | 3254 | left, top, width - 1, height - 1); |
c118dd06 JB |
3255 | #else /* ! defined (HAVE_X11) */ |
3256 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3257 | left, top, width, 1, |
f676886a | 3258 | f->display.x->cursor_pixel); |
dc6f92b8 | 3259 | |
c118dd06 | 3260 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3261 | left, top, 1, height, |
f676886a | 3262 | f->display.x->cursor_pixel); |
dc6f92b8 | 3263 | |
c118dd06 | 3264 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3265 | left+width-1, top, 1, height, |
f676886a | 3266 | f->display.x->cursor_pixel); |
dc6f92b8 | 3267 | |
c118dd06 | 3268 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3269 | left, top+height-1, width, 1, |
f676886a | 3270 | f->display.x->cursor_pixel); |
c118dd06 | 3271 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3272 | } |
3273 | ||
f676886a | 3274 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3275 | and mark the cursor as not shown. |
3276 | This is used when the text where the cursor is | |
3277 | is about to be rewritten. */ | |
3278 | ||
3279 | static void | |
f676886a JB |
3280 | clear_cursor (f) |
3281 | struct frame *f; | |
dc6f92b8 JB |
3282 | { |
3283 | int mask; | |
3284 | ||
f451eb13 | 3285 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3286 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3287 | return; |
3288 | ||
3289 | #ifdef HAVE_X11 | |
f676886a | 3290 | x_display_cursor (f, 0); |
c118dd06 JB |
3291 | #else /* ! defined (HAVE_X11) */ |
3292 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3293 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3294 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3295 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3296 | f->display.x->background_pixel); | |
c118dd06 | 3297 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3298 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3299 | } |
3300 | ||
f676886a | 3301 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3302 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3303 | glyph drawn. */ | |
dc6f92b8 JB |
3304 | |
3305 | static void | |
f676886a JB |
3306 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3307 | struct frame *f; | |
dc6f92b8 | 3308 | int row, column; |
90e65f07 | 3309 | GLYPH glyph; |
dc6f92b8 JB |
3310 | int highlight; |
3311 | { | |
f676886a | 3312 | dumpglyphs (f, |
12ba150f JB |
3313 | CHAR_TO_PIXEL_COL (f, column), |
3314 | CHAR_TO_PIXEL_ROW (f, row), | |
f676886a | 3315 | &glyph, 1, highlight, f->display.x->font); |
dc6f92b8 JB |
3316 | } |
3317 | ||
dc6f92b8 | 3318 | static void |
dbc4e1c1 | 3319 | x_display_bar_cursor (f, on) |
f676886a | 3320 | struct frame *f; |
dc6f92b8 JB |
3321 | int on; |
3322 | { | |
f676886a | 3323 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3324 | |
49d838ea JB |
3325 | /* This is pointless on invisible frames, and dangerous on garbaged |
3326 | frames; in the latter case, the frame may be in the midst of | |
3327 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3328 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
3329 | return; |
3330 | ||
3331 | if (! on && f->phys_cursor_x < 0) | |
3332 | return; | |
3333 | ||
f676886a | 3334 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3335 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3336 | if (f != updating_frame) |
1113d9db | 3337 | { |
f676886a JB |
3338 | curs_x = FRAME_CURSOR_X (f); |
3339 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3340 | } |
3341 | ||
dbc4e1c1 JB |
3342 | /* If there is anything wrong with the current cursor state, remove it. */ |
3343 | if (f->phys_cursor_x >= 0 | |
3344 | && (!on | |
3345 | || f->phys_cursor_x != curs_x | |
3346 | || f->phys_cursor_y != curs_y | |
3347 | || f->display.x->current_cursor != bar_cursor)) | |
3348 | { | |
3349 | /* Erase the cursor by redrawing the character underneath it. */ | |
3350 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3351 | f->phys_cursor_glyph, | |
3352 | current_glyphs->highlight[f->phys_cursor_y]); | |
3353 | f->phys_cursor_x = -1; | |
3354 | } | |
3355 | ||
3356 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3357 | if (on | |
3358 | && (f->phys_cursor_x < 0 | |
3359 | || (f->display.x->current_cursor != bar_cursor))) | |
3360 | { | |
3361 | f->phys_cursor_glyph | |
3362 | = ((current_glyphs->enable[curs_y] | |
3363 | && curs_x < current_glyphs->used[curs_y]) | |
3364 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3365 | : SPACEGLYPH); | |
3366 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3367 | f->display.x->cursor_gc, | |
3368 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3369 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3370 | 1, FONT_HEIGHT (f->display.x->font)); | |
3371 | ||
3372 | f->phys_cursor_x = curs_x; | |
3373 | f->phys_cursor_y = curs_y; | |
3374 | ||
3375 | f->display.x->current_cursor = bar_cursor; | |
3376 | } | |
3377 | ||
3378 | if (updating_frame != f) | |
3379 | XFlushQueue (); | |
3380 | } | |
3381 | ||
3382 | ||
3383 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3384 | If ON is nonzero, where to put the cursor is specified | |
3385 | by F->cursor_x and F->cursor_y. */ | |
3386 | ||
3387 | static void | |
3388 | x_display_box_cursor (f, on) | |
3389 | struct frame *f; | |
3390 | int on; | |
3391 | { | |
3392 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3393 | ||
49d838ea JB |
3394 | /* This is pointless on invisible frames, and dangerous on garbaged |
3395 | frames; in the latter case, the frame may be in the midst of | |
3396 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3397 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
3398 | return; |
3399 | ||
3400 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3401 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3402 | return; |
3403 | ||
dbc4e1c1 JB |
3404 | /* If we're not updating, then we want to use the current frame's |
3405 | cursor position, not our local idea of where the cursor ought to be. */ | |
3406 | if (f != updating_frame) | |
3407 | { | |
3408 | curs_x = FRAME_CURSOR_X (f); | |
3409 | curs_y = FRAME_CURSOR_Y (f); | |
3410 | } | |
3411 | ||
dc6f92b8 JB |
3412 | /* If cursor is currently being shown and we don't want it to be |
3413 | or it is in the wrong place, | |
3414 | or we want a hollow box and it's not so, (pout!) | |
3415 | erase it. */ | |
f676886a | 3416 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3417 | && (!on |
f676886a JB |
3418 | || f->phys_cursor_x != curs_x |
3419 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3420 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3421 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3422 | { |
3423 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3424 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3425 | f->phys_cursor_glyph, | |
3426 | current_glyphs->highlight[f->phys_cursor_y]); | |
3427 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3428 | } |
3429 | ||
3430 | /* If we want to show a cursor, | |
3431 | or we want a box cursor and it's not so, | |
3432 | write it in the right place. */ | |
3433 | if (on | |
f676886a | 3434 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3435 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3436 | && f == x_highlight_frame))) |
dc6f92b8 | 3437 | { |
f676886a | 3438 | f->phys_cursor_glyph |
1113d9db JB |
3439 | = ((current_glyphs->enable[curs_y] |
3440 | && curs_x < current_glyphs->used[curs_y]) | |
3441 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3442 | : SPACEGLYPH); |
f676886a | 3443 | if (f != x_highlight_frame) |
dc6f92b8 | 3444 | { |
f676886a | 3445 | x_draw_box (f); |
dbc4e1c1 | 3446 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3447 | } |
3448 | else | |
3449 | { | |
f676886a JB |
3450 | x_draw_single_glyph (f, curs_y, curs_x, |
3451 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3452 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3453 | } |
3454 | ||
f676886a JB |
3455 | f->phys_cursor_x = curs_x; |
3456 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3457 | } |
3458 | ||
f676886a | 3459 | if (updating_frame != f) |
dc6f92b8 JB |
3460 | XFlushQueue (); |
3461 | } | |
3462 | ||
f676886a JB |
3463 | x_display_cursor (f, on) |
3464 | struct frame *f; | |
dc6f92b8 JB |
3465 | int on; |
3466 | { | |
dbc4e1c1 | 3467 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3468 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3469 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3470 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3471 | else |
3472 | /* Those are the only two we have implemented! */ | |
3473 | abort (); | |
dc6f92b8 JB |
3474 | } |
3475 | \f | |
3476 | /* Icons. */ | |
3477 | ||
f676886a | 3478 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3479 | when we get an expose event for it. */ |
3480 | ||
f676886a JB |
3481 | refreshicon (f) |
3482 | struct frame *f; | |
dc6f92b8 JB |
3483 | { |
3484 | #ifdef HAVE_X11 | |
3485 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3486 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3487 | int mask; |
3488 | ||
f676886a JB |
3489 | if (f->display.x->icon_bitmap_flag) |
3490 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3491 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3492 | icon_bitmap, GXcopy, AllPlanes); | |
3493 | else | |
3494 | { | |
f676886a | 3495 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3496 | struct Lisp_String *str; |
3497 | unsigned char *string; | |
3498 | ||
3499 | string | |
f676886a | 3500 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3501 | |
f676886a | 3502 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3503 | { |
f676886a JB |
3504 | f->display.x->icon_label = string; |
3505 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3506 | XQueryWidth (string, icon_font_info->id) + 10, |
3507 | icon_font_info->height + 10); | |
3508 | } | |
3509 | ||
f676886a | 3510 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3511 | str->size, icon_font_info->id, |
3512 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3513 | } | |
3514 | XFlushQueue (); | |
c118dd06 | 3515 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3516 | } |
3517 | ||
dbc4e1c1 | 3518 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
3519 | |
3520 | int | |
f676886a JB |
3521 | x_bitmap_icon (f) |
3522 | struct frame *f; | |
dc6f92b8 JB |
3523 | { |
3524 | int mask; | |
3525 | Window icon_window; | |
3526 | ||
c118dd06 | 3527 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3528 | return 1; |
3529 | ||
3530 | #ifdef HAVE_X11 | |
3531 | if (icon_bitmap) | |
3532 | XFreePixmap (x_current_display, icon_bitmap); | |
3533 | ||
3534 | icon_bitmap = | |
c118dd06 | 3535 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3536 | gnu_bits, gnu_width, gnu_height); |
f676886a JB |
3537 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3538 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3539 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3540 | if (f->display.x->icon_desc) |
dc6f92b8 | 3541 | { |
c118dd06 | 3542 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3543 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3544 | } |
3545 | ||
f676886a | 3546 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3547 | 0, 0, sink_width, sink_height, |
3548 | 2, WhitePixmap, (Pixmap) NULL); | |
3549 | ||
3550 | if (icon_window == 0) | |
3551 | return 1; | |
3552 | ||
c118dd06 | 3553 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3554 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3555 | ||
f676886a JB |
3556 | f->display.x->icon_desc = icon_window; |
3557 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3558 | |
3559 | if (icon_bitmap == 0) | |
3560 | icon_bitmap | |
3561 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3562 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3563 | |
3564 | return 0; | |
3565 | } | |
3566 | ||
3567 | ||
f676886a | 3568 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3569 | |
3570 | int | |
f676886a JB |
3571 | x_text_icon (f, icon_name) |
3572 | struct frame *f; | |
dc6f92b8 JB |
3573 | char *icon_name; |
3574 | { | |
3575 | #ifndef HAVE_X11 | |
3576 | int mask; | |
3577 | int width; | |
3578 | Window icon_window; | |
3579 | char *X_DefaultValue; | |
3580 | Bitmap b1; | |
3581 | ||
dc6f92b8 JB |
3582 | #ifndef WhitePixel |
3583 | #define WhitePixel 1 | |
c118dd06 | 3584 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3585 | |
3586 | #ifndef BlackPixel | |
3587 | #define BlackPixel 0 | |
c118dd06 JB |
3588 | #endif /* BlackPixel */ |
3589 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3590 | |
c118dd06 | 3591 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3592 | return 1; |
3593 | ||
dc6f92b8 JB |
3594 | #ifdef HAVE_X11 |
3595 | if (icon_name) | |
f676886a | 3596 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3597 | else |
f676886a JB |
3598 | if (! f->display.x->icon_label) |
3599 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3600 | |
dfeccd2d | 3601 | #if 0 |
c118dd06 | 3602 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3603 | (char *) f->display.x->icon_label); |
dfeccd2d | 3604 | #endif |
dc6f92b8 | 3605 | |
f676886a | 3606 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3607 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3608 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
3609 | if (icon_font_info == 0) |
3610 | icon_font_info | |
3611 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 3612 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
3613 | "BodyFont")); |
3614 | ||
f676886a | 3615 | if (f->display.x->icon_desc) |
dc6f92b8 | 3616 | { |
c118dd06 | 3617 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3618 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3619 | } |
3620 | ||
3621 | if (icon_name) | |
f676886a | 3622 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3623 | else |
f676886a JB |
3624 | if (! f->display.x->icon_label) |
3625 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3626 | |
f676886a JB |
3627 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3628 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3629 | f->display.x->left_pos, | |
3630 | f->display.x->top_pos, | |
dc6f92b8 JB |
3631 | width + 10, icon_font_info->height + 10, |
3632 | 2, BlackPixmap, WhitePixmap); | |
3633 | ||
3634 | if (icon_window == 0) | |
3635 | return 1; | |
3636 | ||
c118dd06 | 3637 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3638 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3639 | ||
f676886a JB |
3640 | f->display.x->icon_desc = icon_window; |
3641 | f->display.x->icon_bitmap_flag = 0; | |
3642 | f->display.x->icon_label = 0; | |
c118dd06 | 3643 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3644 | |
3645 | return 0; | |
3646 | } | |
3647 | \f | |
4746118a JB |
3648 | /* Handling X errors. */ |
3649 | ||
12ba150f JB |
3650 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3651 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3652 | |
4746118a | 3653 | static SIGTYPE |
c118dd06 | 3654 | x_connection_closed () |
4746118a JB |
3655 | { |
3656 | if (_Xdebug) | |
3657 | abort (); | |
12ba150f JB |
3658 | |
3659 | shut_down_emacs (0); | |
3660 | ||
3661 | exit (70); | |
4746118a JB |
3662 | } |
3663 | ||
8922af5f JB |
3664 | /* An X error handler which prints an error message and then kills |
3665 | Emacs. This is what's normally installed as Xlib's handler for | |
3666 | protocol errors. */ | |
c118dd06 JB |
3667 | static int |
3668 | x_error_quitter (display, error) | |
3669 | Display *display; | |
3670 | XErrorEvent *error; | |
3671 | { | |
3672 | char buf[256]; | |
dc6f92b8 | 3673 | |
c118dd06 JB |
3674 | /* Note that there is no real way portable across R3/R4 to get the |
3675 | original error handler. */ | |
dc6f92b8 | 3676 | |
c118dd06 JB |
3677 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3678 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3679 | buf, error->request_code); | |
dc6f92b8 | 3680 | |
12ba150f JB |
3681 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3682 | get an X error, so we can figure out why it happened. */ | |
3683 | abort (); | |
3684 | ||
c118dd06 | 3685 | x_connection_closed (); |
dc6f92b8 JB |
3686 | } |
3687 | ||
8922af5f JB |
3688 | /* A handler for X IO errors which prints an error message and then |
3689 | kills Emacs. This is what is always installed as Xlib's handler | |
3690 | for I/O errors. */ | |
3691 | static int | |
3692 | x_io_error_quitter (display) | |
3693 | Display *display; | |
3694 | { | |
3695 | fprintf (stderr, "Connection to X server %s lost.\n", | |
3696 | XDisplayName (DisplayString (display))); | |
3697 | ||
3698 | /* While we're testing Emacs 19, we'll just dump core whenever we | |
3699 | get an X error, so we can figure out why it happened. */ | |
3700 | abort (); | |
3701 | ||
3702 | x_connection_closed (); | |
3703 | } | |
3704 | ||
c118dd06 JB |
3705 | /* A buffer for storing X error messages. */ |
3706 | static char (*x_caught_error_message)[200]; | |
3707 | ||
3708 | /* An X error handler which stores the error message in | |
3709 | x_caught_error_message. This is what's installed when | |
3710 | x_catch_errors is in effect. */ | |
3711 | static int | |
3712 | x_error_catcher (display, error) | |
3713 | Display *display; | |
3714 | XErrorEvent *error; | |
3715 | { | |
3716 | XGetErrorText (display, error->error_code, | |
3717 | *x_caught_error_message, sizeof (*x_caught_error_message)); | |
3718 | } | |
3719 | ||
3720 | ||
3721 | /* Begin trapping X errors. | |
dc6f92b8 | 3722 | |
c118dd06 JB |
3723 | After calling this function, X protocol errors no longer cause |
3724 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3725 | |
c118dd06 JB |
3726 | Calling x_check_errors signals an Emacs error if an X error has |
3727 | occurred since the last call to x_catch_errors or x_check_errors. | |
3728 | ||
3729 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3730 | ||
3731 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3732 | ||
3733 | void | |
3734 | x_catch_errors () | |
dc6f92b8 | 3735 | { |
c118dd06 JB |
3736 | /* Make sure any errors from previous requests have been dealt with. */ |
3737 | XSync (x_current_display, False); | |
dc6f92b8 | 3738 | |
c118dd06 JB |
3739 | /* Set up the error buffer. */ |
3740 | x_caught_error_message = | |
3741 | (char (*)[]) xmalloc (sizeof (*x_caught_error_message)); | |
d872b748 | 3742 | (*x_caught_error_message)[0] = '\0'; |
16bd92ea | 3743 | |
c118dd06 JB |
3744 | /* Install our little error handler. */ |
3745 | XHandleError (x_error_catcher); | |
3746 | } | |
16bd92ea | 3747 | |
c118dd06 JB |
3748 | /* If any X protocol errors have arrived since the last call to |
3749 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3750 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3751 | void | |
3752 | x_check_errors (format) | |
3753 | char *format; | |
3754 | { | |
3755 | /* Make sure to catch any errors incurred so far. */ | |
3756 | XSync (x_current_display, False); | |
16bd92ea | 3757 | |
c118dd06 JB |
3758 | if ((*x_caught_error_message)[0]) |
3759 | { | |
3760 | char buf[256]; | |
3761 | ||
3762 | sprintf (buf, format, *x_caught_error_message); | |
9ac0d9e0 | 3763 | xfree (x_caught_error_message); |
dc6f92b8 | 3764 | |
c118dd06 JB |
3765 | x_uncatch_errors (); |
3766 | error (buf); | |
3767 | } | |
3768 | } | |
3769 | ||
3770 | void | |
3771 | x_uncatch_errors () | |
3772 | { | |
9ac0d9e0 | 3773 | xfree (x_caught_error_message); |
c118dd06 | 3774 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
3775 | } |
3776 | ||
dc6f92b8 JB |
3777 | #if 0 |
3778 | static unsigned int x_wire_count; | |
3779 | x_trace_wire () | |
3780 | { | |
3781 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3782 | } | |
c118dd06 | 3783 | #endif /* ! 0 */ |
dc6f92b8 JB |
3784 | |
3785 | \f | |
f451eb13 JB |
3786 | /* Changing the font of the frame. */ |
3787 | ||
f676886a | 3788 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3789 | to the font named NEWNAME. This is safe to use |
f676886a | 3790 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3791 | |
3792 | #ifdef HAVE_X11 | |
3793 | ||
3794 | /* A table of all the fonts we have already loaded. */ | |
3795 | static XFontStruct **x_font_table; | |
3796 | ||
3797 | /* The current capacity of x_font_table. */ | |
3798 | static int x_font_table_size; | |
3799 | ||
3800 | /* The number of fonts actually stored in x_font_table. | |
3801 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3802 | 0 <= n_fonts <= x_font_table_size. */ | |
3803 | static int n_fonts; | |
3804 | ||
f676886a JB |
3805 | x_new_font (f, fontname) |
3806 | struct frame *f; | |
dc6f92b8 JB |
3807 | register char *fontname; |
3808 | { | |
3809 | XFontStruct *temp; | |
3810 | int already_loaded; | |
3811 | int n_matching_fonts; | |
3812 | XFontStruct *font_info; | |
3813 | char **font_names; | |
3814 | ||
3815 | /* Get a list of all the fonts that match this name. Once we | |
3816 | have a list of matching fonts, we compare them against the fonts | |
3817 | we already have by comparing font ids. */ | |
3818 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3819 | 1024, &n_matching_fonts, | |
3820 | &font_info); | |
3821 | /* If the server couldn't find any fonts whose named matched fontname, | |
3822 | return an error code. */ | |
3823 | if (n_matching_fonts == 0) | |
3824 | return 1; | |
3825 | ||
90e65f07 | 3826 | /* See if we've already loaded a matching font. */ |
dc6f92b8 JB |
3827 | { |
3828 | int i, j; | |
3829 | ||
3830 | already_loaded = 0; | |
3831 | for (i = 0; i < n_fonts; i++) | |
3832 | for (j = 0; j < n_matching_fonts; j++) | |
3833 | if (x_font_table[i]->fid == font_info[j].fid) | |
3834 | { | |
3835 | already_loaded = i; | |
3836 | goto found_font; | |
3837 | } | |
3838 | } | |
3839 | found_font: | |
3840 | ||
3841 | /* If we have, just return it from the table. */ | |
3842 | if (already_loaded) | |
f676886a | 3843 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3844 | |
dc6f92b8 JB |
3845 | /* Otherwise, load the font and add it to the table. */ |
3846 | else | |
3847 | { | |
3848 | XFontStruct *font; | |
3849 | ||
3850 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); | |
3851 | if (! font) | |
3852 | return 1; | |
3853 | ||
3854 | /* Do we need to create the table? */ | |
3855 | if (x_font_table_size == 0) | |
3856 | { | |
3857 | x_font_table_size = 16; | |
3858 | x_font_table | |
3859 | = (XFontStruct **) xmalloc (x_font_table_size | |
3860 | * sizeof (x_font_table[0])); | |
3861 | } | |
3862 | /* Do we need to grow the table? */ | |
3863 | else if (n_fonts >= x_font_table_size) | |
3864 | { | |
90e65f07 | 3865 | x_font_table_size *= 2; |
dc6f92b8 JB |
3866 | x_font_table |
3867 | = (XFontStruct **) xrealloc (x_font_table, | |
3868 | (x_font_table_size | |
3869 | * sizeof (x_font_table[0]))); | |
3870 | } | |
3871 | ||
f676886a | 3872 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
3873 | } |
3874 | ||
3875 | /* Free the information from XListFontsWithInfo. The data | |
3876 | we actually retain comes from XLoadQueryFont. */ | |
3877 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
3878 | ||
f676886a | 3879 | /* Now make the frame display the given font. */ |
c118dd06 | 3880 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 3881 | { |
f676886a JB |
3882 | XSetFont (x_current_display, f->display.x->normal_gc, |
3883 | f->display.x->font->fid); | |
3884 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
3885 | f->display.x->font->fid); | |
3886 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
3887 | f->display.x->font->fid); | |
3888 | ||
3889 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
3890 | } |
3891 | ||
3892 | return 0; | |
3893 | } | |
c118dd06 | 3894 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
3895 | x_new_font (f, newname) |
3896 | struct frame *f; | |
dc6f92b8 JB |
3897 | register char *newname; |
3898 | { | |
3899 | FONT_TYPE *temp; | |
3900 | int mask; | |
3901 | ||
3902 | temp = XGetFont (newname); | |
3903 | if (temp == (FONT_TYPE *) 0) | |
3904 | return 1; | |
3905 | ||
f676886a JB |
3906 | if (f->display.x->font) |
3907 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 3908 | |
f676886a | 3909 | f->display.x->font = temp; |
dc6f92b8 | 3910 | |
c118dd06 | 3911 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 3912 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
3913 | |
3914 | return 0; | |
3915 | } | |
c118dd06 | 3916 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3917 | \f |
f451eb13 JB |
3918 | /* X Window sizes and positions. */ |
3919 | ||
f676886a JB |
3920 | x_calc_absolute_position (f) |
3921 | struct frame *f; | |
dc6f92b8 JB |
3922 | { |
3923 | #ifdef HAVE_X11 | |
f676886a JB |
3924 | if (f->display.x->left_pos < 0) |
3925 | f->display.x->left_pos | |
7c5283e4 | 3926 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 3927 | |
f676886a JB |
3928 | if (f->display.x->top_pos < 0) |
3929 | f->display.x->top_pos | |
7c5283e4 | 3930 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 3931 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3932 | WINDOWINFO_TYPE parentinfo; |
3933 | ||
c118dd06 | 3934 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 3935 | |
f676886a JB |
3936 | if (f->display.x->left_pos < 0) |
3937 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
3938 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 3939 | |
f676886a JB |
3940 | if (f->display.x->top_pos < 0) |
3941 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
3942 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 3943 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3944 | } |
3945 | ||
f676886a JB |
3946 | x_set_offset (f, xoff, yoff) |
3947 | struct frame *f; | |
dc6f92b8 JB |
3948 | register int xoff, yoff; |
3949 | { | |
f676886a JB |
3950 | f->display.x->top_pos = yoff; |
3951 | f->display.x->left_pos = xoff; | |
3952 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
3953 | |
3954 | BLOCK_INPUT; | |
c118dd06 | 3955 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 3956 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 3957 | #ifdef HAVE_X11 |
f676886a | 3958 | x_wm_set_size_hint (f, 0); |
c118dd06 | 3959 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3960 | UNBLOCK_INPUT; |
3961 | } | |
3962 | ||
f676886a | 3963 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 3964 | |
f676886a JB |
3965 | x_set_window_size (f, cols, rows) |
3966 | struct frame *f; | |
b1c884c3 | 3967 | int cols, rows; |
dc6f92b8 JB |
3968 | { |
3969 | int pixelwidth, pixelheight; | |
3970 | int mask; | |
dc6f92b8 JB |
3971 | |
3972 | BLOCK_INPUT; | |
3973 | ||
b1c884c3 | 3974 | check_frame_size (f, &rows, &cols); |
ab648270 JB |
3975 | f->display.x->vertical_scroll_bar_extra = |
3976 | (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
3977 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
f451eb13 JB |
3978 | : 0); |
3979 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
3980 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
3981 | |
3982 | #ifdef HAVE_X11 | |
f676886a | 3983 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
3984 | #endif /* ! defined (HAVE_X11) */ |
3985 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
3986 | |
3987 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
3988 | but the window manager will get around to dealing with the size | |
3989 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
3990 | ConfigureNotify event gets here. |
3991 | ||
3992 | We could just not bother storing any of this information here, | |
3993 | and let the ConfigureNotify event set everything up, but that | |
3994 | might be kind of confusing to the lisp code, since size changes | |
3995 | wouldn't be reported in the frame parameters until some random | |
3996 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 3997 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
3998 | PIXEL_WIDTH (f) = pixelwidth; |
3999 | PIXEL_HEIGHT (f) = pixelheight; | |
4000 | ||
dbc4e1c1 JB |
4001 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4002 | receive in the ConfigureNotify event; if we get what we asked | |
4003 | for, then the event won't cause the screen to become garbaged, so | |
4004 | we have to make sure to do it here. */ | |
4005 | SET_FRAME_GARBAGED (f); | |
4006 | ||
dc6f92b8 JB |
4007 | XFlushQueue (); |
4008 | UNBLOCK_INPUT; | |
4009 | } | |
4010 | ||
4011 | #ifndef HAVE_X11 | |
f676886a JB |
4012 | x_set_resize_hint (f) |
4013 | struct frame *f; | |
dc6f92b8 | 4014 | { |
12ba150f JB |
4015 | XSetResizeHint (FRAME_X_WINDOW (f), |
4016 | 2 * f->display.x->internal_border_width, | |
f676886a | 4017 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
4018 | FONT_WIDTH (f->display.x->font), |
4019 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 4020 | } |
c118dd06 | 4021 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4022 | \f |
f451eb13 | 4023 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4024 | |
f676886a JB |
4025 | x_set_mouse_position (f, x, y) |
4026 | struct frame *f; | |
dc6f92b8 JB |
4027 | int x, y; |
4028 | { | |
4029 | int pix_x, pix_y; | |
4030 | ||
f676886a | 4031 | x_raise_frame (f); |
dc6f92b8 | 4032 | |
12ba150f JB |
4033 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
4034 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
4035 | |
4036 | if (pix_x < 0) pix_x = 0; | |
4037 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4038 | ||
4039 | if (pix_y < 0) pix_y = 0; | |
4040 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4041 | |
4042 | BLOCK_INPUT; | |
dc6f92b8 | 4043 | |
c118dd06 | 4044 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
4045 | UNBLOCK_INPUT; |
4046 | } | |
4047 | ||
4048 | #ifdef HAVE_X11 | |
f676886a JB |
4049 | x_focus_on_frame (f) |
4050 | struct frame *f; | |
dc6f92b8 | 4051 | { |
f676886a | 4052 | x_raise_frame (f); |
6d4238f3 JB |
4053 | #if 0 |
4054 | /* I don't think that the ICCCM allows programs to do things like this | |
4055 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4056 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 4057 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 4058 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4059 | #endif /* ! 0 */ |
dc6f92b8 JB |
4060 | } |
4061 | ||
f676886a JB |
4062 | x_unfocus_frame (f) |
4063 | struct frame *f; | |
dc6f92b8 | 4064 | { |
6d4238f3 | 4065 | #if 0 |
f676886a JB |
4066 | /* Look at the remarks in x_focus_on_frame. */ |
4067 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4068 | XSetInputFocus (x_current_display, PointerRoot, |
4069 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4070 | #endif /* ! 0 */ |
dc6f92b8 JB |
4071 | } |
4072 | ||
c118dd06 | 4073 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4074 | |
f676886a | 4075 | /* Raise frame F. */ |
dc6f92b8 | 4076 | |
f676886a JB |
4077 | x_raise_frame (f) |
4078 | struct frame *f; | |
dc6f92b8 | 4079 | { |
3a88c238 | 4080 | if (f->async_visible) |
dc6f92b8 JB |
4081 | { |
4082 | BLOCK_INPUT; | |
c118dd06 | 4083 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4084 | XFlushQueue (); |
4085 | UNBLOCK_INPUT; | |
4086 | } | |
4087 | } | |
4088 | ||
f676886a | 4089 | /* Lower frame F. */ |
dc6f92b8 | 4090 | |
f676886a JB |
4091 | x_lower_frame (f) |
4092 | struct frame *f; | |
dc6f92b8 | 4093 | { |
3a88c238 | 4094 | if (f->async_visible) |
dc6f92b8 JB |
4095 | { |
4096 | BLOCK_INPUT; | |
c118dd06 | 4097 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4098 | XFlushQueue (); |
4099 | UNBLOCK_INPUT; | |
4100 | } | |
4101 | } | |
4102 | ||
dbc4e1c1 JB |
4103 | static void |
4104 | XTframe_raise_lower (f, raise) | |
4105 | FRAME_PTR f; | |
4106 | int raise; | |
4107 | { | |
4108 | if (raise) | |
4109 | x_raise_frame (f); | |
4110 | else | |
4111 | x_lower_frame (f); | |
4112 | } | |
4113 | ||
4114 | ||
dc6f92b8 JB |
4115 | /* Change from withdrawn state to mapped state. */ |
4116 | ||
f676886a JB |
4117 | x_make_frame_visible (f) |
4118 | struct frame *f; | |
dc6f92b8 JB |
4119 | { |
4120 | int mask; | |
4121 | ||
dc6f92b8 | 4122 | BLOCK_INPUT; |
dc6f92b8 | 4123 | |
f676886a | 4124 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
4125 | { |
4126 | #ifdef HAVE_X11 | |
4127 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4128 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 4129 | |
c118dd06 | 4130 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
ab648270 | 4131 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
4132 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4133 | #else /* ! defined (HAVE_X11) */ | |
4134 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4135 | if (f->display.x->icon_desc != 0) |
4136 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4137 | |
90e65f07 | 4138 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4139 | f->async_visible = 1; |
4140 | f->async_iconified = 0; | |
dc6f92b8 | 4141 | |
f676886a | 4142 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4143 | XTcursor_to (0, 0); |
c118dd06 | 4144 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4145 | } |
dc6f92b8 | 4146 | |
dc6f92b8 | 4147 | XFlushQueue (); |
90e65f07 | 4148 | |
dc6f92b8 JB |
4149 | UNBLOCK_INPUT; |
4150 | } | |
4151 | ||
4152 | /* Change from mapped state to withdrawn state. */ | |
4153 | ||
f676886a JB |
4154 | x_make_frame_invisible (f) |
4155 | struct frame *f; | |
dc6f92b8 JB |
4156 | { |
4157 | int mask; | |
4158 | ||
3a88c238 | 4159 | if (! f->async_visible) |
dc6f92b8 JB |
4160 | return; |
4161 | ||
4162 | BLOCK_INPUT; | |
c118dd06 JB |
4163 | |
4164 | #ifdef HAVE_X11R4 | |
4165 | ||
4166 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
4167 | DefaultScreen (x_current_display))) | |
4168 | { | |
4169 | UNBLOCK_INPUT_RESIGNAL; | |
4170 | error ("can't notify window manager of window withdrawl"); | |
4171 | } | |
4172 | ||
4173 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4174 | #ifdef HAVE_X11 |
16bd92ea | 4175 | |
c118dd06 | 4176 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4177 | if (! EQ (Vx_no_window_manager, Qt)) |
4178 | { | |
16bd92ea | 4179 | XEvent unmap; |
dc6f92b8 | 4180 | |
16bd92ea | 4181 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 4182 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4183 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4184 | unmap.xunmap.from_configure = False; | |
4185 | if (! XSendEvent (x_current_display, | |
4186 | DefaultRootWindow (x_current_display), | |
4187 | False, | |
4188 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4189 | &unmap)) | |
4190 | { | |
4191 | UNBLOCK_INPUT_RESIGNAL; | |
4192 | error ("can't notify window manager of withdrawal"); | |
4193 | } | |
dc6f92b8 JB |
4194 | } |
4195 | ||
16bd92ea | 4196 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
4197 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
4198 | ||
4199 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 4200 | |
c118dd06 | 4201 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4202 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4203 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4204 | XUnmapWindow (f->display.x->icon_desc); |
4205 | ||
4206 | #endif /* ! defined (HAVE_X11) */ | |
4207 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4208 | |
4209 | XFlushQueue (); | |
4210 | UNBLOCK_INPUT; | |
4211 | } | |
4212 | ||
dc6f92b8 JB |
4213 | /* Change window state from mapped to iconified. */ |
4214 | ||
f676886a JB |
4215 | x_iconify_frame (f) |
4216 | struct frame *f; | |
dc6f92b8 JB |
4217 | { |
4218 | int mask; | |
4219 | ||
3a88c238 | 4220 | if (f->async_iconified) |
dc6f92b8 JB |
4221 | return; |
4222 | ||
4223 | BLOCK_INPUT; | |
4224 | ||
4225 | #ifdef HAVE_X11 | |
16bd92ea JB |
4226 | /* Since we don't know which revision of X we're running, we'll use both |
4227 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4228 | ||
4229 | /* X11R4: send a ClientMessage to the window manager using the | |
4230 | WM_CHANGE_STATE type. */ | |
4231 | { | |
4232 | XEvent message; | |
4233 | ||
c118dd06 | 4234 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4235 | message.xclient.type = ClientMessage; |
4236 | message.xclient.message_type = Xatom_wm_change_state; | |
4237 | message.xclient.format = 32; | |
4238 | message.xclient.data.l[0] = IconicState; | |
4239 | ||
4240 | if (! XSendEvent (x_current_display, | |
4241 | DefaultRootWindow (x_current_display), | |
4242 | False, | |
4243 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4244 | &message)) | |
dc6f92b8 JB |
4245 | { |
4246 | UNBLOCK_INPUT_RESIGNAL; | |
4247 | error ("Can't notify window manager of iconification."); | |
4248 | } | |
16bd92ea | 4249 | } |
dc6f92b8 | 4250 | |
16bd92ea JB |
4251 | /* X11R3: set the initial_state field of the window manager hints to |
4252 | IconicState. */ | |
4253 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4254 | |
3a88c238 | 4255 | f->async_iconified = 1; |
c118dd06 JB |
4256 | #else /* ! defined (HAVE_X11) */ |
4257 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4258 | |
3a88c238 | 4259 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4260 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4261 | { |
f676886a JB |
4262 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4263 | refreshicon (f); | |
dc6f92b8 | 4264 | } |
c118dd06 | 4265 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4266 | |
4267 | XFlushQueue (); | |
4268 | UNBLOCK_INPUT; | |
4269 | } | |
4270 | ||
c0ff3fab | 4271 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4272 | |
c0ff3fab | 4273 | x_destroy_window (f) |
f676886a | 4274 | struct frame *f; |
dc6f92b8 | 4275 | { |
dc6f92b8 | 4276 | BLOCK_INPUT; |
c0ff3fab JB |
4277 | |
4278 | if (f->display.x->icon_desc != 0) | |
4279 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4280 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
dc6f92b8 | 4281 | XFlushQueue (); |
dc6f92b8 | 4282 | |
9ac0d9e0 | 4283 | xfree (f->display.x); |
c0ff3fab | 4284 | f->display.x = 0; |
f676886a JB |
4285 | if (f == x_focus_frame) |
4286 | x_focus_frame = 0; | |
4287 | if (f == x_highlight_frame) | |
4288 | x_highlight_frame = 0; | |
c0ff3fab JB |
4289 | |
4290 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4291 | } |
4292 | \f | |
f451eb13 JB |
4293 | /* Manage event queues for X10. */ |
4294 | ||
dc6f92b8 JB |
4295 | #ifndef HAVE_X11 |
4296 | ||
4297 | /* Manage event queues. | |
4298 | ||
4299 | This code is only used by the X10 support. | |
4300 | ||
4301 | We cannot leave events in the X queue and get them when we are ready | |
4302 | because X does not provide a subroutine to get only a certain kind | |
4303 | of event but not block if there are no queued events of that kind. | |
4304 | ||
4305 | Therefore, we must examine events as they come in and copy events | |
4306 | of certain kinds into our private queues. | |
4307 | ||
4308 | All ExposeRegion events are put in x_expose_queue. | |
4309 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
4310 | ||
4311 | ||
4312 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4313 | If the queue is full, do nothing, but return nonzero. */ | |
4314 | ||
4315 | int | |
4316 | enqueue_event (p_xrep, queue) | |
4317 | register XEvent *p_xrep; | |
4318 | register struct event_queue *queue; | |
4319 | { | |
4320 | int newindex = queue->windex + 1; | |
4321 | if (newindex == EVENT_BUFFER_SIZE) | |
4322 | newindex = 0; | |
4323 | if (newindex == queue->rindex) | |
4324 | return -1; | |
4325 | queue->xrep[queue->windex] = *p_xrep; | |
4326 | queue->windex = newindex; | |
4327 | return 0; | |
4328 | } | |
4329 | ||
4330 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4331 | If *QUEUE is empty, do nothing and return 0. */ | |
4332 | ||
4333 | int | |
4334 | dequeue_event (p_xrep, queue) | |
4335 | register XEvent *p_xrep; | |
4336 | register struct event_queue *queue; | |
4337 | { | |
4338 | if (queue->windex == queue->rindex) | |
4339 | return 0; | |
4340 | *p_xrep = queue->xrep[queue->rindex++]; | |
4341 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4342 | queue->rindex = 0; | |
4343 | return 1; | |
4344 | } | |
4345 | ||
4346 | /* Return the number of events buffered in *QUEUE. */ | |
4347 | ||
4348 | int | |
4349 | queue_event_count (queue) | |
4350 | register struct event_queue *queue; | |
4351 | { | |
4352 | int tem = queue->windex - queue->rindex; | |
4353 | if (tem >= 0) | |
4354 | return tem; | |
4355 | return EVENT_BUFFER_SIZE + tem; | |
4356 | } | |
4357 | ||
4358 | /* Return nonzero if mouse input is pending. */ | |
4359 | ||
4360 | int | |
4361 | mouse_event_pending_p () | |
4362 | { | |
4363 | return queue_event_count (&x_mouse_queue); | |
4364 | } | |
c118dd06 | 4365 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4366 | \f |
f451eb13 JB |
4367 | /* Setting window manager hints. */ |
4368 | ||
dc6f92b8 JB |
4369 | #ifdef HAVE_X11 |
4370 | ||
f676886a JB |
4371 | x_wm_set_size_hint (f, prompting) |
4372 | struct frame *f; | |
dc6f92b8 JB |
4373 | long prompting; |
4374 | { | |
4375 | XSizeHints size_hints; | |
c118dd06 | 4376 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 JB |
4377 | |
4378 | size_hints.flags = PResizeInc | PMinSize | PMaxSize; | |
4379 | ||
f676886a JB |
4380 | flexlines = f->height; |
4381 | ||
4382 | size_hints.x = f->display.x->left_pos; | |
4383 | size_hints.y = f->display.x->top_pos; | |
4384 | size_hints.height = PIXEL_HEIGHT (f); | |
4385 | size_hints.width = PIXEL_WIDTH (f); | |
4386 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4387 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
12ba150f JB |
4388 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4389 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f451eb13 | 4390 | |
b1c884c3 | 4391 | { |
b0342f17 JB |
4392 | int base_width, base_height; |
4393 | ||
f451eb13 JB |
4394 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4395 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4396 | |
4397 | { | |
4398 | int min_rows = 0, min_cols = 0; | |
4399 | check_frame_size (f, &min_rows, &min_cols); | |
4400 | ||
4401 | /* The window manager uses the base width hints to calculate the | |
4402 | current number of rows and columns in the frame while | |
4403 | resizing; min_width and min_height aren't useful for this | |
4404 | purpose, since they might not give the dimensions for a | |
4405 | zero-row, zero-column frame. | |
4406 | ||
4407 | We use the base_width and base_height members if we have | |
4408 | them; otherwise, we set the min_width and min_height members | |
4409 | to the size for a zero x zero frame. */ | |
4410 | ||
4411 | #ifdef HAVE_X11R4 | |
4412 | size_hints.flags |= PBaseSize; | |
4413 | size_hints.base_width = base_width; | |
4414 | size_hints.base_height = base_height; | |
4415 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4416 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4417 | #else | |
4418 | size_hints.min_width = base_width; | |
4419 | size_hints.min_height = base_height; | |
4420 | #endif | |
4421 | } | |
b1c884c3 | 4422 | |
b1c884c3 | 4423 | } |
dc6f92b8 JB |
4424 | |
4425 | if (prompting) | |
4426 | size_hints.flags |= prompting; | |
4427 | else | |
4428 | { | |
4429 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4430 | ||
4431 | XGetNormalHints (x_current_display, window, &hints); | |
4432 | if (hints.flags & PSize) | |
4433 | size_hints.flags |= PSize; | |
4434 | if (hints.flags & PPosition) | |
4435 | size_hints.flags |= PPosition; | |
4436 | if (hints.flags & USPosition) | |
4437 | size_hints.flags |= USPosition; | |
4438 | if (hints.flags & USSize) | |
4439 | size_hints.flags |= USSize; | |
4440 | } | |
16bd92ea | 4441 | |
b0342f17 JB |
4442 | #ifdef HAVE_X11R4 |
4443 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4444 | #else | |
dc6f92b8 | 4445 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4446 | #endif |
dc6f92b8 JB |
4447 | } |
4448 | ||
4449 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4450 | x_wm_set_window_state (f, state) |
4451 | struct frame *f; | |
dc6f92b8 JB |
4452 | int state; |
4453 | { | |
c118dd06 | 4454 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4455 | |
16bd92ea JB |
4456 | f->display.x->wm_hints.flags |= StateHint; |
4457 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4458 | |
16bd92ea | 4459 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4460 | } |
4461 | ||
f676886a JB |
4462 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4463 | struct frame *f; | |
dc6f92b8 JB |
4464 | Pixmap icon_pixmap; |
4465 | { | |
c118dd06 | 4466 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4467 | |
dbc4e1c1 JB |
4468 | if (icon_pixmap) |
4469 | { | |
4470 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
4471 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
4472 | } | |
4473 | else | |
4474 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 4475 | |
16bd92ea | 4476 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4477 | } |
4478 | ||
f676886a JB |
4479 | x_wm_set_icon_position (f, icon_x, icon_y) |
4480 | struct frame *f; | |
dc6f92b8 JB |
4481 | int icon_x, icon_y; |
4482 | { | |
c118dd06 | 4483 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4484 | |
16bd92ea JB |
4485 | f->display.x->wm_hints.flags |= IconPositionHint; |
4486 | f->display.x->wm_hints.icon_x = icon_x; | |
4487 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4488 | |
16bd92ea | 4489 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4490 | } |
4491 | ||
4492 | \f | |
f451eb13 JB |
4493 | /* Initialization. */ |
4494 | ||
dc6f92b8 JB |
4495 | void |
4496 | x_term_init (display_name) | |
4497 | char *display_name; | |
4498 | { | |
f676886a | 4499 | Lisp_Object frame; |
dc6f92b8 JB |
4500 | char *defaultvalue; |
4501 | #ifdef F_SETOWN | |
4502 | extern int old_fcntl_owner; | |
c118dd06 | 4503 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4504 | |
f676886a | 4505 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4506 | |
4507 | x_current_display = XOpenDisplay (display_name); | |
4508 | if (x_current_display == 0) | |
4509 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4510 | display_name); | |
4511 | ||
4512 | #ifdef HAVE_X11 | |
4513 | { | |
16bd92ea | 4514 | int hostname_size = 256; |
60fb3ee1 JB |
4515 | |
4516 | hostname = (char *) xmalloc (hostname_size); | |
4517 | ||
dc6f92b8 JB |
4518 | #if 0 |
4519 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4520 | #endif /* ! 0 */ |
dc6f92b8 | 4521 | |
60fb3ee1 JB |
4522 | /* Try to get the host name; if the buffer is too short, try |
4523 | again. Apparently, the only indication gethostname gives of | |
4524 | whether the buffer was large enough is the presence or absence | |
4525 | of a '\0' in the string. Eech. */ | |
4526 | for (;;) | |
4527 | { | |
4528 | gethostname (hostname, hostname_size - 1); | |
4529 | hostname[hostname_size - 1] = '\0'; | |
4530 | ||
4531 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4532 | if (strlen (hostname) < hostname_size - 1) | |
4533 | break; | |
4534 | ||
4535 | hostname_size <<= 1; | |
4536 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4537 | } | |
59653951 | 4538 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
4539 | + strlen (hostname) |
4540 | + 2); | |
59653951 | 4541 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 4542 | } |
28430d3c JB |
4543 | |
4544 | /* Figure out which modifier bits mean what. */ | |
4545 | x_find_modifier_meanings (); | |
f451eb13 | 4546 | |
ab648270 | 4547 | /* Get the scroll bar cursor. */ |
d56a553a RS |
4548 | x_vertical_scroll_bar_cursor |
4549 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 4550 | |
d56a553a | 4551 | #if 0 |
28430d3c JB |
4552 | /* Watch for PropertyNotify events on the root window; we use them |
4553 | to figure out when to invalidate our cache of the cut buffers. */ | |
4554 | x_watch_cut_buffer_cache (); | |
d56a553a | 4555 | #endif |
28430d3c | 4556 | |
a4fc7360 JB |
4557 | if (ConnectionNumber (x_current_display) != 0) |
4558 | { | |
4559 | dup2 (ConnectionNumber (x_current_display), 0); | |
6d4238f3 JB |
4560 | |
4561 | #ifndef SYSV_STREAMS | |
a4fc7360 JB |
4562 | /* Streams somehow keeps track of which descriptor number |
4563 | is being used to talk to X. So it is not safe to substitute | |
4564 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
4565 | close (ConnectionNumber (x_current_display)); | |
4566 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? | |
6d4238f3 JB |
4567 | * check the def of the macro; |
4568 | * it is a genuine lvalue */ | |
c118dd06 | 4569 | #endif /* SYSV_STREAMS */ |
a4fc7360 | 4570 | } |
6d4238f3 | 4571 | |
c118dd06 | 4572 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4573 | |
4574 | #ifdef F_SETOWN | |
4575 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4576 | #ifdef F_SETOWN_SOCK_NEG | |
4577 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4578 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4579 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4580 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4581 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4582 | |
4583 | #ifdef SIGIO | |
4584 | init_sigio (); | |
c118dd06 | 4585 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4586 | |
4587 | /* Must use interrupt input because we cannot otherwise | |
4588 | arrange for C-g to be noticed immediately. | |
4589 | We cannot connect it to SIGINT. */ | |
4590 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4591 | ||
4592 | expose_all_windows = 0; | |
4593 | ||
f676886a | 4594 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4595 | clear_end_of_line_hook = XTclear_end_of_line; |
4596 | ins_del_lines_hook = XTins_del_lines; | |
4597 | change_line_highlight_hook = XTchange_line_highlight; | |
4598 | insert_glyphs_hook = XTinsert_glyphs; | |
4599 | write_glyphs_hook = XTwrite_glyphs; | |
4600 | delete_glyphs_hook = XTdelete_glyphs; | |
4601 | ring_bell_hook = XTring_bell; | |
4602 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4603 | set_terminal_modes_hook = XTset_terminal_modes; | |
4604 | update_begin_hook = XTupdate_begin; | |
4605 | update_end_hook = XTupdate_end; | |
4606 | set_terminal_window_hook = XTset_terminal_window; | |
4607 | read_socket_hook = XTread_socket; | |
4608 | cursor_to_hook = XTcursor_to; | |
4609 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4610 | mouse_position_hook = XTmouse_position; |
f451eb13 | 4611 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 4612 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
4613 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
4614 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
4615 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
4616 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 4617 | |
f676886a | 4618 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4619 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4620 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4621 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4622 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4623 | off the bottom */ |
4624 | baud_rate = 19200; | |
4625 | ||
c118dd06 JB |
4626 | /* Note that there is no real way portable across R3/R4 to get the |
4627 | original error handler. */ | |
4628 | XHandleError (x_error_quitter); | |
8922af5f | 4629 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
4630 | |
4631 | /* Disable Window Change signals; they are handled by X events. */ | |
4632 | #ifdef SIGWINCH | |
4633 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4634 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4635 | |
c118dd06 | 4636 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4637 | } |
55123275 JB |
4638 | |
4639 | void | |
4640 | syms_of_xterm () | |
4641 | { | |
ab648270 | 4642 | staticpro (&last_mouse_scroll_bar); |
55123275 | 4643 | } |
c118dd06 JB |
4644 | #endif /* ! defined (HAVE_X11) */ |
4645 | #endif /* ! defined (HAVE_X_WINDOWS) */ |