Commit | Line | Data |
---|---|---|
dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
4746118a | 2 | Copyright (C) 1989, 1992 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 | ||
28 | #include "config.h" | |
29 | ||
30 | #ifdef HAVE_X_WINDOWS | |
31 | ||
32 | #include "lisp.h" | |
dc6f92b8 | 33 | |
54c908b5 JB |
34 | /* On 4.3 these lose if they come after xterm.h. */ |
35 | #include <stdio.h> | |
dc6f92b8 JB |
36 | #include <signal.h> |
37 | ||
38 | /* This may include sys/types.h, and that somehow loses | |
39 | if this is not done before the other system files. */ | |
40 | #include "xterm.h" | |
f451eb13 | 41 | #include <X11/cursorfont.h> |
dc6f92b8 | 42 | |
16bd92ea | 43 | #ifndef USG |
dc6f92b8 JB |
44 | /* Load sys/types.h if not already loaded. |
45 | In some systems loading it twice is suicidal. */ | |
46 | #ifndef makedev | |
47 | #include <sys/types.h> | |
c118dd06 JB |
48 | #endif /* makedev */ |
49 | #endif /* USG */ | |
dc6f92b8 JB |
50 | |
51 | #ifdef BSD | |
52 | #include <sys/ioctl.h> | |
53 | #include <strings.h> | |
c118dd06 | 54 | #else /* ! defined (BSD) */ |
dc6f92b8 JB |
55 | #include <sys/termio.h> |
56 | #include <string.h> | |
c118dd06 | 57 | #endif /* ! defined (BSD) */ |
dc6f92b8 JB |
58 | |
59 | /* Allow m- file to inhibit use of FIONREAD. */ | |
60 | #ifdef BROKEN_FIONREAD | |
61 | #undef FIONREAD | |
c118dd06 | 62 | #endif /* ! defined (BROKEN_FIONREAD) */ |
dc6f92b8 JB |
63 | |
64 | /* We are unable to use interrupts if FIONREAD is not available, | |
65 | so flush SIGIO so we won't try. */ | |
66 | #ifndef FIONREAD | |
67 | #ifdef SIGIO | |
68 | #undef SIGIO | |
c118dd06 JB |
69 | #endif /* ! defined (SIGIO) */ |
70 | #endif /* FIONREAD */ | |
dc6f92b8 | 71 | |
3a2712f9 | 72 | #include "systime.h" |
dc6f92b8 JB |
73 | |
74 | #include <fcntl.h> | |
dc6f92b8 JB |
75 | #include <ctype.h> |
76 | #include <errno.h> | |
77 | #include <setjmp.h> | |
78 | #include <sys/stat.h> | |
79 | #include <sys/param.h> | |
80 | ||
81 | #include "dispextern.h" | |
82 | #include "termhooks.h" | |
83 | #include "termopts.h" | |
84 | #include "termchar.h" | |
85 | #if 0 | |
86 | #include "sink.h" | |
87 | #include "sinkmask.h" | |
c118dd06 | 88 | #endif /* ! 0 */ |
dc6f92b8 | 89 | #include "gnu.h" |
f676886a | 90 | #include "frame.h" |
dc6f92b8 | 91 | #include "disptab.h" |
dc6f92b8 | 92 | #include "buffer.h" |
f451eb13 | 93 | #include "window.h" |
dc6f92b8 JB |
94 | |
95 | #ifdef HAVE_X11 | |
96 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 97 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
98 | #include <X/Xkeyboard.h> |
99 | /*#include <X/Xproto.h> */ | |
c118dd06 | 100 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
101 | |
102 | /* For sending Meta-characters. Do we need this? */ | |
103 | #define METABIT 0200 | |
104 | ||
105 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
106 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
107 | ||
108 | /* Nonzero means we must reprint all windows | |
109 | because 1) we received an ExposeWindow event | |
f451eb13 | 110 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 111 | |
f451eb13 | 112 | This is never needed under X11. */ |
dc6f92b8 JB |
113 | static int expose_all_windows; |
114 | ||
115 | /* Nonzero means we must reprint all icon windows. */ | |
116 | ||
117 | static int expose_all_icons; | |
118 | ||
119 | #ifndef HAVE_X11 | |
120 | /* ExposeRegion events, when received, are copied into this queue | |
121 | for later processing. */ | |
122 | ||
123 | static struct event_queue x_expose_queue; | |
124 | ||
125 | /* ButtonPressed and ButtonReleased events, when received, | |
126 | are copied into this queue for later processing. */ | |
127 | ||
128 | struct event_queue x_mouse_queue; | |
c118dd06 | 129 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
130 | |
131 | /* Nonzero after BLOCK_INPUT; prevents input events from being | |
132 | processed until later. */ | |
133 | ||
134 | int x_input_blocked; | |
135 | ||
136 | #if defined (SIGIO) && defined (FIONREAD) | |
137 | int BLOCK_INPUT_mask; | |
c118dd06 | 138 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 JB |
139 | |
140 | /* Nonzero if input events came in while x_input_blocked was nonzero. | |
141 | UNBLOCK_INPUT checks for this. */ | |
142 | ||
143 | int x_pending_input; | |
144 | ||
dc6f92b8 JB |
145 | /* The id of a bitmap used for icon windows. |
146 | One such map is shared by all Emacs icon windows. | |
147 | This is zero if we have not yet had a need to create the bitmap. */ | |
148 | ||
149 | static Bitmap icon_bitmap; | |
150 | ||
151 | /* Font used for text icons. */ | |
152 | ||
153 | static FONT_TYPE *icon_font_info; | |
154 | ||
155 | /* Stuff for dealing with the main icon title. */ | |
156 | ||
157 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 158 | char *hostname, *x_id_name; |
55123275 | 159 | Lisp_Object invocation_name; |
dc6f92b8 JB |
160 | |
161 | /* This is the X connection that we are using. */ | |
162 | ||
163 | Display *x_current_display; | |
164 | ||
f451eb13 JB |
165 | /* The cursor to use for vertical scrollbars on x_current_display. */ |
166 | static Cursor x_vertical_scrollbar_cursor; | |
167 | ||
f676886a | 168 | /* Frame being updated by update_frame. */ |
dc6f92b8 JB |
169 | /* This is set by XTupdate_begin and looked at by all the |
170 | XT functions. It is zero while not inside an update. | |
f676886a JB |
171 | In that case, the XT functions assume that `selected_frame' |
172 | is the frame to apply to. */ | |
dc6f92b8 | 173 | |
f676886a | 174 | static struct frame *updating_frame; |
dc6f92b8 | 175 | |
f676886a | 176 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
177 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
178 | that a mere EnterNotify event can set this; if you need to know the | |
179 | last frame specified in a FocusIn or FocusOut event, use | |
180 | x_focus_event_frame. */ | |
f676886a | 181 | struct frame *x_focus_frame; |
dc6f92b8 | 182 | |
f451eb13 JB |
183 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
184 | separate from x_focus_frame, because whether or not LeaveNotify | |
185 | events cause us to lose focus depends on whether or not we have | |
186 | received a FocusIn event for it. */ | |
187 | struct frame *x_focus_event_frame; | |
188 | ||
f676886a JB |
189 | /* The frame which currently has the visual highlight, and should get |
190 | keyboard input (other sorts of input have the frame encoded in the | |
191 | event). It points to the X focus frame's selected window's | |
192 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 193 | minibuffer. */ |
f676886a | 194 | static struct frame *x_highlight_frame; |
6d4238f3 | 195 | |
dc6f92b8 | 196 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 197 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
198 | |
199 | static int warp_mouse_on_deiconify; | |
200 | ||
201 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
202 | ||
203 | static int flexlines; | |
204 | ||
205 | /* During an update, nonzero if chars output now should be highlighted. */ | |
206 | ||
207 | static int highlight; | |
208 | ||
209 | /* Nominal cursor position -- where to draw output. | |
210 | During an update, these are different from the cursor-box position. */ | |
211 | ||
212 | static int curs_x; | |
213 | static int curs_y; | |
214 | ||
215 | #ifdef HAVE_X11 | |
216 | /* `t' if a mouse button is depressed. */ | |
217 | ||
218 | extern Lisp_Object Vmouse_depressed; | |
219 | ||
220 | /* Tells if a window manager is present or not. */ | |
221 | ||
222 | extern Lisp_Object Vx_no_window_manager; | |
223 | ||
224 | /* Timestamp that we requested selection data was made. */ | |
225 | extern Time requestor_time; | |
226 | ||
227 | /* ID of the window requesting selection data. */ | |
228 | extern Window requestor_window; | |
229 | ||
230 | /* Nonzero enables some debugging for the X interface code. */ | |
231 | extern int _Xdebug; | |
232 | ||
c118dd06 | 233 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
234 | |
235 | /* Bit patterns for the mouse cursor. */ | |
236 | ||
237 | short MouseCursor[] = { | |
238 | 0x0000, 0x0008, 0x0018, 0x0038, | |
239 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
240 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
241 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
242 | ||
243 | short MouseMask[] = { | |
244 | 0x000c, 0x001c, 0x003c, 0x007c, | |
245 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
246 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
247 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
248 | ||
249 | static short grey_bits[] = { | |
250 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
251 | ||
252 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 253 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
254 | |
255 | /* From time to time we get info on an Emacs window, here. */ | |
256 | ||
257 | static WINDOWINFO_TYPE windowinfo; | |
258 | ||
259 | extern int errno; | |
260 | ||
dc6f92b8 JB |
261 | extern Display *XOpenDisplay (); |
262 | extern Window XCreateWindow (); | |
263 | ||
264 | extern Cursor XCreateCursor (); | |
265 | extern FONT_TYPE *XOpenFont (); | |
266 | ||
267 | static void flashback (); | |
268 | ||
269 | #ifndef HAVE_X11 | |
270 | static void dumpqueue (); | |
c118dd06 | 271 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
272 | |
273 | void dumpborder (); | |
4746118a JB |
274 | static int XTcursor_to (); |
275 | static int XTclear_end_of_line (); | |
16bd92ea JB |
276 | |
277 | \f | |
f451eb13 JB |
278 | /* Starting and ending updates. |
279 | ||
280 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
281 | of a frame update. We record in `updating_frame' the identity |
282 | of the frame being updated, so that the XT... functions do not | |
283 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 JB |
284 | should never be called except during an update, the only exceptions |
285 | being XTcursor_to, XTwrite_char and XTreassert_line_highlight. */ | |
286 | ||
287 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
288 | ||
289 | static | |
f676886a JB |
290 | XTupdate_begin (f) |
291 | struct frame *f; | |
dc6f92b8 JB |
292 | { |
293 | int mask; | |
294 | ||
f676886a | 295 | if (f == 0) |
dc6f92b8 JB |
296 | abort (); |
297 | ||
f676886a JB |
298 | updating_frame = f; |
299 | flexlines = f->height; | |
dc6f92b8 JB |
300 | highlight = 0; |
301 | ||
dc6f92b8 JB |
302 | BLOCK_INPUT; |
303 | #ifndef HAVE_X11 | |
304 | dumpqueue (); | |
c118dd06 | 305 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
306 | UNBLOCK_INPUT; |
307 | } | |
308 | ||
f451eb13 | 309 | #ifndef HAVE_X11 |
dc6f92b8 | 310 | static void x_do_pending_expose (); |
f451eb13 | 311 | #endif |
dc6f92b8 JB |
312 | |
313 | static | |
f676886a JB |
314 | XTupdate_end (f) |
315 | struct frame *f; | |
dc6f92b8 JB |
316 | { |
317 | int mask; | |
318 | ||
f676886a JB |
319 | if (updating_frame == 0 |
320 | || updating_frame != f) | |
dc6f92b8 JB |
321 | abort (); |
322 | ||
323 | BLOCK_INPUT; | |
324 | #ifndef HAVE_X11 | |
325 | dumpqueue (); | |
dc6f92b8 | 326 | x_do_pending_expose (); |
f451eb13 | 327 | #endif /* HAVE_X11 */ |
dc6f92b8 | 328 | |
f676886a | 329 | x_display_cursor (f, 1); |
dc6f92b8 | 330 | |
f676886a | 331 | updating_frame = 0; |
dc6f92b8 JB |
332 | XFlushQueue (); |
333 | UNBLOCK_INPUT; | |
334 | } | |
335 | \f | |
336 | /* External interface to control of standout mode. | |
337 | Call this when about to modify line at position VPOS | |
338 | and not change whether it is highlighted. */ | |
339 | ||
340 | XTreassert_line_highlight (new, vpos) | |
341 | int new, vpos; | |
342 | { | |
343 | highlight = new; | |
344 | } | |
345 | ||
346 | /* Call this when about to modify line at position VPOS | |
347 | and change whether it is highlighted. */ | |
348 | ||
349 | static | |
350 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
351 | int new_highlight, vpos, first_unused_hpos; | |
352 | { | |
353 | highlight = new_highlight; | |
354 | XTcursor_to (vpos, 0); | |
f676886a | 355 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
356 | } |
357 | ||
358 | /* This is used when starting Emacs and when restarting after suspend. | |
359 | When starting Emacs, no X window is mapped. And nothing must be done | |
360 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
361 | ||
362 | static | |
363 | XTset_terminal_modes () | |
364 | { | |
365 | } | |
366 | ||
367 | /* This is called when exiting or suspending Emacs. | |
368 | Exiting will make the X-windows go away, and suspending | |
369 | requires no action. */ | |
370 | ||
371 | static | |
372 | XTreset_terminal_modes () | |
373 | { | |
f676886a | 374 | /* XTclear_frame (); */ |
dc6f92b8 JB |
375 | } |
376 | \f | |
f451eb13 JB |
377 | /* Set the nominal cursor position of the frame. |
378 | This is where display update commands will take effect. | |
dc6f92b8 JB |
379 | This does not affect the place where the cursor-box is displayed. */ |
380 | ||
4746118a | 381 | static int |
dc6f92b8 JB |
382 | XTcursor_to (row, col) |
383 | register int row, col; | |
384 | { | |
385 | int mask; | |
386 | int orow = row; | |
387 | ||
388 | curs_x = col; | |
389 | curs_y = row; | |
390 | ||
f676886a | 391 | if (updating_frame == 0) |
dc6f92b8 JB |
392 | { |
393 | BLOCK_INPUT; | |
f676886a | 394 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
395 | XFlushQueue (); |
396 | UNBLOCK_INPUT; | |
397 | } | |
398 | } | |
399 | \f | |
400 | /* Display a sequence of N glyphs found at GP. | |
401 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
402 | HL is 1 if this text is highlighted, 2 if the cursor is on it. | |
403 | ||
404 | FONT is the default font to use (for glyphs whose font-code is 0). */ | |
405 | ||
406 | static void | |
f676886a JB |
407 | dumpglyphs (f, left, top, gp, n, hl, font) |
408 | struct frame *f; | |
dc6f92b8 JB |
409 | int left, top; |
410 | register GLYPH *gp; /* Points to first GLYPH. */ | |
411 | register int n; /* Number of glyphs to display. */ | |
412 | int hl; | |
413 | FONT_TYPE *font; | |
414 | { | |
dc6f92b8 | 415 | register int len; |
c118dd06 | 416 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
417 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc |
418 | : (hl ? f->display.x->reverse_gc | |
419 | : f->display.x->normal_gc)); | |
dc6f92b8 | 420 | |
c7004826 JB |
421 | if (sizeof (GLYPH) == sizeof (XChar2b)) |
422 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
423 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
424 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
425 | XDrawImageString (x_current_display, window, drawing_gc, | |
426 | left, top + FONT_BASE (font), (char *) gp, n); | |
427 | else | |
428 | /* What size of glyph ARE you using? And does X have a function to | |
429 | draw them? */ | |
430 | abort (); | |
dc6f92b8 JB |
431 | } |
432 | ||
433 | #if 0 | |
434 | static void | |
f676886a JB |
435 | dumpglyphs (f, left, top, gp, n, hl, font) |
436 | struct frame *f; | |
dc6f92b8 JB |
437 | int left, top; |
438 | register GLYPH *gp; /* Points to first GLYPH. */ | |
439 | register int n; /* Number of glyphs to display. */ | |
440 | int hl; | |
441 | FONT_TYPE *font; | |
442 | { | |
f676886a | 443 | char buf[f->width]; /* Holds characters to be displayed. */ |
dc6f92b8 JB |
444 | register char *cp; /* Steps through buf[]. */ |
445 | register int tlen = GLYPH_TABLE_LENGTH; | |
446 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 447 | Window window = FRAME_X_WINDOW (f); |
f676886a JB |
448 | int cursor_pixel = f->display.x->cursor_pixel; |
449 | int fg_pixel = f->display.x->foreground_pixel; | |
450 | int bg_pixel = f->display.x->background_pixel; | |
451 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
452 | |
453 | while (n) | |
454 | { | |
455 | /* Get the face-code of the next GLYPH. */ | |
456 | int cf, len; | |
457 | int g = *gp; | |
458 | ||
459 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
460 | g = GLYPH_ALIAS (tbase, g); | |
461 | ||
462 | cf = g >> 8; | |
463 | ||
464 | /* Find the run of consecutive glyphs with the same face-code. | |
465 | Extract their character codes into BUF. */ | |
466 | cp = buf; | |
467 | while (n > 0) | |
468 | { | |
469 | g = *gp; | |
470 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
471 | g = GLYPH_ALIAS (tbase, g); | |
472 | if ((g >> 8) != cf) | |
473 | break; | |
474 | ||
475 | *cp++ = 0377 & g; | |
476 | --n; | |
477 | ++gp; | |
478 | } | |
479 | ||
480 | /* LEN gets the length of the run. */ | |
481 | len = cp - buf; | |
482 | ||
483 | /* Now output this run of chars, with the font and pixel values | |
484 | determined by the face code CF. */ | |
485 | if (cf == 0) | |
486 | { | |
487 | #ifdef HAVE_X11 | |
f676886a JB |
488 | GC GC_cursor = f->display.x->cursor_gc; |
489 | GC GC_reverse = f->display.x->reverse_gc; | |
490 | GC GC_normal = f->display.x->normal_gc; | |
dc6f92b8 JB |
491 | |
492 | XDrawImageString (x_current_display, window, | |
493 | (hl == 2 | |
494 | ? GC_cursor | |
495 | : (hl ? GC_reverse : GC_normal)), | |
496 | left, top + FONT_BASE (font), buf, len); | |
c118dd06 | 497 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
498 | XText (window, left, top, |
499 | buf, | |
500 | len, | |
501 | font->id, | |
502 | (hl == 2 | |
503 | ? (cursor_pixel == fg_pixel ? bg_pixel : fg_pixel) | |
504 | : hl ? bg_pixel : fg_pixel), | |
505 | (hl == 2 ? cursor_pixel | |
506 | : hl ? fg_pixel : bg_pixel)); | |
c118dd06 | 507 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
508 | } |
509 | else | |
510 | { | |
511 | #ifdef HAVE_X11 | |
512 | if (FACE_IS_FONT (cf)) | |
c118dd06 | 513 | XDrawImageString (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 JB |
514 | FACE_GC (cf), |
515 | left, top + FONT_BASE (FACE_FONT (cf)), | |
516 | buf, len); | |
517 | else if (FACE_IS_IMAGE (cf)) | |
518 | XCopyPlane (x_current_display, FACE_IMAGE (cf), | |
c118dd06 | 519 | FRAME_X_WINDOW (f), |
f676886a | 520 | f->display.x->normal_gc, |
dc6f92b8 JB |
521 | 0, 0, |
522 | FACE_IMAGE_WIDTH (cf), | |
523 | FACE_IMAGE_HEIGHT (cf), left, top); | |
524 | else | |
525 | abort (); | |
c118dd06 | 526 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
527 | register struct face *fp = x_face_table[cf]; |
528 | ||
529 | XText (window, left, top, | |
530 | buf, | |
531 | len, | |
532 | fp->font->id, | |
533 | (hl == 2 | |
534 | ? (cursor_pixel == fp->fg ? fp->bg : fp->fg) | |
535 | : hl ? fp->bg : fp->fg), | |
536 | (hl == 2 ? cursor_pixel | |
537 | : hl ? fp->fg : fp->bg)); | |
c118dd06 | 538 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
539 | } |
540 | left += len * FONT_WIDTH (font); | |
541 | } | |
542 | } | |
c118dd06 | 543 | #endif /* ! 0 */ |
dc6f92b8 | 544 | \f |
f451eb13 JB |
545 | /* Output some text at the nominal frame cursor position. |
546 | Advance the cursor over the text. | |
dc6f92b8 JB |
547 | Output LEN glyphs at START. |
548 | ||
549 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
550 | controls the pixel values used for foreground and background. */ | |
551 | ||
552 | static | |
553 | XTwrite_glyphs (start, len) | |
554 | register GLYPH *start; | |
555 | int len; | |
556 | { | |
557 | register int temp_length; | |
558 | int mask; | |
f676886a | 559 | struct frame *f; |
dc6f92b8 JB |
560 | |
561 | BLOCK_INPUT; | |
562 | ||
f676886a JB |
563 | f = updating_frame; |
564 | if (f == 0) | |
dc6f92b8 | 565 | { |
f676886a | 566 | f = selected_frame; |
dc6f92b8 | 567 | /* If not within an update, |
f676886a JB |
568 | output at the frame's visible cursor. */ |
569 | curs_x = f->cursor_x; | |
570 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
571 | } |
572 | ||
f676886a JB |
573 | dumpglyphs (f, |
574 | (curs_x * FONT_WIDTH (f->display.x->font) | |
575 | + f->display.x->internal_border_width), | |
576 | (curs_y * FONT_HEIGHT (f->display.x->font) | |
577 | + f->display.x->internal_border_width), | |
578 | start, len, highlight, f->display.x->font); | |
90e65f07 JB |
579 | |
580 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
581 | if (curs_y == f->phys_cursor_y |
582 | && curs_x <= f->phys_cursor_x | |
583 | && curs_x + len > f->phys_cursor_x) | |
584 | f->phys_cursor_x = -1; | |
dc6f92b8 | 585 | |
f676886a | 586 | if (updating_frame == 0) |
dc6f92b8 | 587 | { |
f676886a JB |
588 | f->cursor_x += len; |
589 | x_display_cursor (f, 1); | |
590 | f->cursor_x -= len; | |
dc6f92b8 JB |
591 | } |
592 | else | |
593 | curs_x += len; | |
594 | ||
595 | UNBLOCK_INPUT; | |
596 | } | |
597 | \f | |
f451eb13 JB |
598 | /* Clear to the end of the line. |
599 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
600 | to column FIRST_UNUSED (exclusive). The idea is that everything |
601 | from FIRST_UNUSED onward is already erased. */ | |
602 | ||
4746118a | 603 | static int |
dc6f92b8 JB |
604 | XTclear_end_of_line (first_unused) |
605 | register int first_unused; | |
606 | { | |
f676886a | 607 | struct frame *f = updating_frame; |
dc6f92b8 JB |
608 | int mask; |
609 | ||
f676886a | 610 | if (f == 0) |
dc6f92b8 JB |
611 | abort (); |
612 | ||
f676886a | 613 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
614 | return; |
615 | if (first_unused <= 0) | |
616 | return; | |
617 | ||
f676886a JB |
618 | if (first_unused >= f->width) |
619 | first_unused = f->width; | |
dc6f92b8 JB |
620 | |
621 | BLOCK_INPUT; | |
622 | ||
90e65f07 | 623 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
624 | if (curs_y == f->phys_cursor_y |
625 | && curs_x <= f->phys_cursor_x | |
626 | && f->phys_cursor_x < first_unused) | |
627 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
628 | |
629 | #ifdef HAVE_X11 | |
c118dd06 | 630 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
f676886a JB |
631 | curs_x * FONT_WIDTH (f->display.x->font) |
632 | + f->display.x->internal_border_width, | |
633 | curs_y * FONT_HEIGHT (f->display.x->font) | |
634 | + f->display.x->internal_border_width, | |
635 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), | |
636 | FONT_HEIGHT (f->display.x->font), False); | |
dc6f92b8 | 637 | |
c118dd06 JB |
638 | #else /* ! defined (HAVE_X11) */ |
639 | XPixSet (FRAME_X_WINDOW (f), | |
f676886a JB |
640 | curs_x * FONT_WIDTH (f->display.x->font) + f->display.x->internal_border_width, |
641 | curs_y * FONT_HEIGHT (f->display.x->font) + f->display.x->internal_border_width, | |
642 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), | |
643 | FONT_HEIGHT (f->display.x->font), | |
644 | f->display.x->background_pixel); | |
c118dd06 | 645 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
646 | |
647 | UNBLOCK_INPUT; | |
648 | } | |
649 | ||
650 | static | |
f676886a | 651 | XTclear_frame () |
dc6f92b8 JB |
652 | { |
653 | int mask; | |
f676886a | 654 | struct frame *f = updating_frame; |
dc6f92b8 | 655 | |
f676886a JB |
656 | if (f == 0) |
657 | f = selected_frame; | |
dc6f92b8 | 658 | |
f676886a | 659 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
660 | curs_x = 0; /* Nominal cursor position is top left. */ |
661 | curs_y = 0; | |
662 | ||
663 | BLOCK_INPUT; | |
c118dd06 | 664 | XClear (FRAME_X_WINDOW (f)); |
dc6f92b8 | 665 | #ifndef HAVE_X11 |
f676886a | 666 | dumpborder (f, 0); |
c118dd06 | 667 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
668 | XFlushQueue (); |
669 | UNBLOCK_INPUT; | |
670 | } | |
671 | \f | |
f676886a | 672 | /* Paint horzontal bars down the frame for a visible bell. |
dc6f92b8 JB |
673 | Note that this may be way too slow on some machines. */ |
674 | ||
f676886a JB |
675 | XTflash (f) |
676 | struct frame *f; | |
dc6f92b8 | 677 | { |
f676886a | 678 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
679 | register int i; |
680 | int x, y; | |
681 | ||
f676886a | 682 | if (updating_frame != 0) |
dc6f92b8 JB |
683 | abort (); |
684 | ||
685 | BLOCK_INPUT; | |
686 | #ifdef HAVE_X11 | |
687 | #if 0 | |
f676886a | 688 | for (i = f->height * FONT_HEIGHT (f->display.x->font) - 10; |
dc6f92b8 JB |
689 | i >= 0; |
690 | i -= 100) /* Should be NO LOWER than 75 for speed reasons. */ | |
c118dd06 | 691 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a JB |
692 | f->display.x->cursor_gc, |
693 | 0, i, f->width * FONT_WIDTH (f->display.x->font) | |
694 | + 2 * f->display.x->internal_border_width, 25); | |
c118dd06 | 695 | #endif /* ! 0 */ |
dc6f92b8 | 696 | |
f676886a JB |
697 | x = (f->width * FONT_WIDTH (f->display.x->font)) / 4; |
698 | y = (f->height * FONT_HEIGHT (f->display.x->font)) / 4; | |
c118dd06 | 699 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 700 | f->display.x->cursor_gc, |
dc6f92b8 | 701 | x, y, 2 * x, 2 * y); |
f676886a JB |
702 | dumpglyphs (f, (x + f->display.x->internal_border_width), |
703 | (y + f->display.x->internal_border_width), | |
704 | &active_frame->glyphs[(f->height / 4) + 1][(f->width / 4)], | |
705 | 1, 0, f->display.x->font); | |
dc6f92b8 | 706 | |
c118dd06 | 707 | #else /* ! defined (HAVE_X11) */ |
f676886a | 708 | for (i = f->height * FONT_HEIGHT (f->display.x->font) - 10; |
dc6f92b8 JB |
709 | i >= 0; |
710 | i -= 50) | |
c118dd06 | 711 | XPixFill (FRAME_X_WINDOW (f), 0, i, |
f676886a JB |
712 | f->width * FONT_WIDTH (f->display.x->font) |
713 | + 2 * f->display.x->internal_border_width, 10, | |
dc6f92b8 | 714 | WHITE_PIX_DEFAULT, ClipModeClipped, GXinvert, AllPlanes); |
c118dd06 | 715 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
716 | |
717 | XFlushQueue (); | |
718 | UNBLOCK_INPUT; | |
719 | } | |
720 | ||
f676886a | 721 | /* Flip background and forground colors of the frame. */ |
dc6f92b8 | 722 | |
f676886a JB |
723 | x_invert_frame (f) |
724 | struct frame *f; | |
dc6f92b8 JB |
725 | { |
726 | #ifdef HAVE_X11 | |
727 | GC temp; | |
728 | unsigned long pix_temp; | |
729 | ||
f676886a | 730 | x_display_cursor (f, 0); |
c118dd06 | 731 | XClearWindow (x_current_display, FRAME_X_WINDOW (f)); |
f676886a JB |
732 | temp = f->display.x->normal_gc; |
733 | f->display.x->normal_gc = f->display.x->reverse_gc; | |
734 | f->display.x->reverse_gc = temp; | |
735 | pix_temp = f->display.x->foreground_pixel; | |
736 | f->display.x->foreground_pixel = f->display.x->background_pixel; | |
737 | f->display.x->background_pixel = pix_temp; | |
738 | ||
c118dd06 | 739 | XSetWindowBackground (x_current_display, FRAME_X_WINDOW (f), |
f676886a JB |
740 | f->display.x->background_pixel); |
741 | if (f->display.x->background_pixel == f->display.x->cursor_pixel) | |
dc6f92b8 | 742 | { |
f676886a JB |
743 | f->display.x->cursor_pixel = f->display.x->foreground_pixel; |
744 | XSetBackground (x_current_display, f->display.x->cursor_gc, | |
745 | f->display.x->cursor_pixel); | |
746 | XSetForeground (x_current_display, f->display.x->cursor_gc, | |
747 | f->display.x->background_pixel); | |
dc6f92b8 | 748 | } |
f676886a | 749 | redraw_frame (f); |
c118dd06 | 750 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
751 | } |
752 | ||
753 | /* Make audible bell. */ | |
754 | ||
755 | #ifdef HAVE_X11 | |
756 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 757 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 758 | #define XRINGBELL XFeep(0); |
c118dd06 | 759 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
760 | |
761 | XTring_bell () | |
762 | { | |
763 | if (visible_bell) | |
764 | #if 0 | |
f676886a | 765 | XTflash (selected_frame); |
c118dd06 | 766 | #endif /* ! 0 */ |
dc6f92b8 | 767 | { |
f676886a JB |
768 | x_invert_frame (selected_frame); |
769 | x_invert_frame (selected_frame); | |
dc6f92b8 JB |
770 | } |
771 | else | |
772 | { | |
773 | BLOCK_INPUT; | |
774 | XRINGBELL; | |
775 | XFlushQueue (); | |
776 | UNBLOCK_INPUT; | |
777 | } | |
778 | } | |
779 | \f | |
f451eb13 JB |
780 | /* Insert and delete character. |
781 | These are not supposed to be used because we are supposed to turn | |
782 | off the feature of using them. */ | |
dc6f92b8 JB |
783 | |
784 | static | |
785 | XTinsert_glyphs (start, len) | |
786 | register char *start; | |
787 | register int len; | |
788 | { | |
789 | abort (); | |
790 | } | |
791 | ||
792 | static | |
793 | XTdelete_glyphs (n) | |
794 | register int n; | |
795 | { | |
796 | abort (); | |
797 | } | |
798 | \f | |
799 | /* Specify how many text lines, from the top of the window, | |
800 | should be affected by insert-lines and delete-lines operations. | |
801 | This, and those operations, are used only within an update | |
802 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
803 | ||
804 | static | |
805 | XTset_terminal_window (n) | |
806 | register int n; | |
807 | { | |
f676886a | 808 | if (updating_frame == 0) |
dc6f92b8 JB |
809 | abort (); |
810 | ||
f676886a JB |
811 | if ((n <= 0) || (n > updating_frame->height)) |
812 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
813 | else |
814 | flexlines = n; | |
815 | } | |
816 | \f | |
f451eb13 JB |
817 | /* Perform an insert-lines operation. |
818 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
819 | |
820 | static void | |
821 | stufflines (n) | |
822 | register int n; | |
823 | { | |
824 | register int topregion, bottomregion; | |
825 | register int length, newtop, mask; | |
f676886a JB |
826 | register struct frame *f = updating_frame; |
827 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
828 | |
829 | if (curs_y >= flexlines) | |
830 | return; | |
831 | ||
832 | topregion = curs_y; | |
833 | bottomregion = flexlines - (n + 1); | |
834 | newtop = topregion + n; | |
835 | length = (bottomregion - topregion) + 1; | |
836 | ||
837 | #ifndef HAVE_X11 | |
838 | dumpqueue (); | |
c118dd06 | 839 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
840 | |
841 | if ((length > 0) && (newtop <= flexlines)) | |
842 | { | |
843 | #ifdef HAVE_X11 | |
c118dd06 JB |
844 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
845 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
f676886a JB |
846 | intborder, topregion * FONT_HEIGHT (f->display.x->font) + intborder, |
847 | f->width * FONT_WIDTH (f->display.x->font), | |
848 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
849 | newtop * FONT_HEIGHT (f->display.x->font) + intborder); | |
c118dd06 JB |
850 | #else /* ! defined (HAVE_X11) */ |
851 | XMoveArea (FRAME_X_WINDOW (f), | |
f676886a JB |
852 | intborder, topregion * FONT_HEIGHT (f->display.x->font) + intborder, |
853 | intborder, newtop * FONT_HEIGHT (f->display.x->font) + intborder, | |
854 | f->width * FONT_WIDTH (f->display.x->font), | |
855 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
856 | /* Now we must process any ExposeRegion events that occur |
857 | if the area being copied from is obscured. | |
858 | We can't let it wait because further i/d operations | |
859 | may want to copy this area to another area. */ | |
860 | x_read_exposes (); | |
c118dd06 | 861 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
862 | } |
863 | ||
864 | newtop = min (newtop, (flexlines - 1)); | |
865 | length = newtop - topregion; | |
866 | if (length > 0) | |
867 | { | |
868 | #ifdef HAVE_X11 | |
c118dd06 | 869 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
f676886a JB |
870 | topregion * FONT_HEIGHT (f->display.x->font) + intborder, |
871 | f->width * FONT_WIDTH (f->display.x->font), | |
872 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
873 | #else /* ! defined (HAVE_X11) */ |
874 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 875 | intborder, |
f676886a JB |
876 | topregion * FONT_HEIGHT (f->display.x->font) + intborder, |
877 | f->width * FONT_WIDTH (f->display.x->font), | |
878 | n * FONT_HEIGHT (f->display.x->font), | |
879 | f->display.x->background_pixel); | |
c118dd06 | 880 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
881 | } |
882 | } | |
883 | ||
884 | /* Perform a delete-lines operation, deleting N lines | |
885 | at a vertical position curs_y. */ | |
886 | ||
887 | static void | |
888 | scraplines (n) | |
889 | register int n; | |
890 | { | |
891 | int mask; | |
f676886a JB |
892 | register struct frame *f = updating_frame; |
893 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
894 | |
895 | if (curs_y >= flexlines) | |
896 | return; | |
897 | ||
898 | #ifndef HAVE_X11 | |
899 | dumpqueue (); | |
c118dd06 | 900 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
901 | |
902 | if ((curs_y + n) >= flexlines) | |
903 | { | |
904 | if (flexlines >= (curs_y + 1)) | |
905 | { | |
906 | #ifdef HAVE_X11 | |
c118dd06 | 907 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
f676886a JB |
908 | curs_y * FONT_HEIGHT (f->display.x->font) + intborder, |
909 | f->width * FONT_WIDTH (f->display.x->font), | |
910 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
911 | #else /* ! defined (HAVE_X11) */ |
912 | XPixSet (FRAME_X_WINDOW (f), | |
f676886a JB |
913 | intborder, curs_y * FONT_HEIGHT (f->display.x->font) + intborder, |
914 | f->width * FONT_WIDTH (f->display.x->font), | |
915 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
916 | f->display.x->background_pixel); | |
c118dd06 | 917 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
918 | } |
919 | } | |
920 | else | |
921 | { | |
922 | #ifdef HAVE_X11 | |
c118dd06 JB |
923 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
924 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 925 | intborder, |
f676886a JB |
926 | (curs_y + n) * FONT_HEIGHT (f->display.x->font) + intborder, |
927 | f->width * FONT_WIDTH (f->display.x->font), | |
928 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
929 | intborder, curs_y * FONT_HEIGHT (f->display.x->font) + intborder); | |
c118dd06 | 930 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 931 | intborder, |
f676886a JB |
932 | (flexlines - n) * FONT_HEIGHT (f->display.x->font) + intborder, |
933 | f->width * FONT_WIDTH (f->display.x->font), | |
934 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
935 | #else /* ! defined (HAVE_X11) */ |
936 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 937 | intborder, |
f676886a JB |
938 | (curs_y + n) * FONT_HEIGHT (f->display.x->font) + intborder, |
939 | intborder, curs_y * FONT_HEIGHT (f->display.x->font) + intborder, | |
940 | f->width * FONT_WIDTH (f->display.x->font), | |
941 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
942 | /* Now we must process any ExposeRegion events that occur |
943 | if the area being copied from is obscured. | |
944 | We can't let it wait because further i/d operations | |
945 | may want to copy this area to another area. */ | |
946 | x_read_exposes (); | |
c118dd06 | 947 | XPixSet (FRAME_X_WINDOW (f), intborder, |
f676886a JB |
948 | (flexlines - n) * FONT_HEIGHT (f->display.x->font) + intborder, |
949 | f->width * FONT_WIDTH (f->display.x->font), | |
950 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 951 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
952 | } |
953 | } | |
954 | ||
955 | /* Perform an insert-lines or delete-lines operation, | |
956 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
957 | ||
958 | XTins_del_lines (vpos, n) | |
959 | int vpos, n; | |
960 | { | |
f676886a | 961 | if (updating_frame == 0) |
dc6f92b8 JB |
962 | abort (); |
963 | ||
90e65f07 | 964 | /* Hide the cursor. */ |
f676886a | 965 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
966 | |
967 | XTcursor_to (vpos, 0); | |
968 | ||
969 | BLOCK_INPUT; | |
970 | if (n >= 0) | |
971 | stufflines (n); | |
972 | else | |
973 | scraplines (-n); | |
974 | XFlushQueue (); | |
975 | UNBLOCK_INPUT; | |
976 | } | |
977 | \f | |
f451eb13 | 978 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
979 | static void clear_cursor (); |
980 | ||
f676886a JB |
981 | /* Output into a rectangle of an X-window (for frame F) |
982 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
983 | TOP and LEFT are the position of the upper left corner of the rectangle. |
984 | ROWS and COLS are the size of the rectangle. */ | |
985 | ||
986 | static void | |
f676886a JB |
987 | dumprectangle (f, left, top, cols, rows) |
988 | struct frame *f; | |
dc6f92b8 JB |
989 | register int left, top, cols, rows; |
990 | { | |
f676886a | 991 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
992 | int cursor_cleared = 0; |
993 | int bottom, right; | |
994 | register int y; | |
995 | ||
f676886a | 996 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
997 | return; |
998 | ||
f676886a JB |
999 | top -= f->display.x->internal_border_width; |
1000 | left -= f->display.x->internal_border_width; | |
dc6f92b8 JB |
1001 | |
1002 | /* Express rectangle as four edges, instead of position-and-size. */ | |
1003 | bottom = top + rows; | |
1004 | right = left + cols; | |
1005 | ||
1006 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
1007 | /* If the rectangle includes any of the internal border area, | |
1008 | redisplay the border emphasis. */ | |
1009 | if (top < 0 || left < 0 | |
f676886a JB |
1010 | || bottom > f->height * FONT_HEIGHT (f->display.x->font) |
1011 | || right > f->width * FONT_WIDTH (f->display.x->font)) | |
1012 | dumpborder (f, 0); | |
c118dd06 | 1013 | #endif /* HAVE_X11 /* Window manger does this for X11. */ */ |
dc6f92b8 JB |
1014 | |
1015 | /* Convert rectangle edges in pixels to edges in chars. | |
1016 | Round down for left and top, up for right and bottom. */ | |
f676886a JB |
1017 | top /= FONT_HEIGHT (f->display.x->font); |
1018 | left /= FONT_WIDTH (f->display.x->font); | |
1019 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); | |
1020 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
1021 | bottom /= FONT_HEIGHT (f->display.x->font); | |
1022 | right /= FONT_WIDTH (f->display.x->font); | |
dc6f92b8 JB |
1023 | |
1024 | /* Clip the rectangle to what can be visible. */ | |
1025 | if (left < 0) | |
1026 | left = 0; | |
1027 | if (top < 0) | |
1028 | top = 0; | |
f676886a JB |
1029 | if (right > f->width) |
1030 | right = f->width; | |
1031 | if (bottom > f->height) | |
1032 | bottom = f->height; | |
dc6f92b8 JB |
1033 | |
1034 | /* Get size in chars of the rectangle. */ | |
1035 | cols = right - left; | |
1036 | rows = bottom - top; | |
1037 | ||
1038 | /* If rectangle has zero area, return. */ | |
1039 | if (rows <= 0) return; | |
1040 | if (cols <= 0) return; | |
1041 | ||
1042 | /* Turn off the cursor if it is in the rectangle. | |
1043 | We will turn it back on afterward. */ | |
f676886a JB |
1044 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1045 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1046 | { |
f676886a | 1047 | clear_cursor (f); |
dc6f92b8 JB |
1048 | cursor_cleared = 1; |
1049 | } | |
1050 | ||
1051 | /* Display the text in the rectangle, one text line at a time. */ | |
1052 | ||
1053 | for (y = top; y < bottom; y++) | |
1054 | { | |
f676886a | 1055 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1056 | |
f676886a | 1057 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1058 | continue; |
1059 | ||
f676886a JB |
1060 | dumpglyphs (f, |
1061 | (left * FONT_WIDTH (f->display.x->font) | |
1062 | + f->display.x->internal_border_width), | |
1063 | (y * FONT_HEIGHT (f->display.x->font) | |
1064 | + f->display.x->internal_border_width), | |
1065 | line, min (cols, active_frame->used[y] - left), | |
1066 | active_frame->highlight[y], f->display.x->font); | |
dc6f92b8 JB |
1067 | } |
1068 | ||
1069 | /* Turn the cursor on if we turned it off. */ | |
1070 | ||
1071 | if (cursor_cleared) | |
f676886a | 1072 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1073 | } |
1074 | ||
1075 | #ifndef HAVE_X11 | |
1076 | /* Process all queued ExposeRegion events. */ | |
1077 | ||
1078 | static void | |
1079 | dumpqueue () | |
1080 | { | |
1081 | register int i; | |
1082 | XExposeRegionEvent r; | |
1083 | ||
1084 | while (dequeue_event (&r, &x_expose_queue)) | |
1085 | { | |
f676886a JB |
1086 | struct frame *f = x_window_to_frame (r.window); |
1087 | if (f->display.x->icon_desc == r.window) | |
1088 | refreshicon (f); | |
dc6f92b8 | 1089 | else |
f676886a | 1090 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1091 | } |
1092 | XFlushQueue (); | |
1093 | } | |
c118dd06 | 1094 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1095 | \f |
f451eb13 | 1096 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1097 | Redraws the cursor if necessary on any frame that |
1098 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1099 | |
f451eb13 | 1100 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1101 | static void |
1102 | x_do_pending_expose () | |
1103 | { | |
1104 | int mask; | |
f676886a JB |
1105 | struct frame *f; |
1106 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1107 | |
1108 | if (expose_all_windows) | |
1109 | { | |
1110 | expose_all_windows = 0; | |
f676886a | 1111 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1112 | { |
1113 | register int temp_width, temp_height; | |
1114 | int intborder; | |
1115 | ||
f676886a JB |
1116 | frame = XCONS (tail)->car; |
1117 | if (XTYPE (frame) != Lisp_Frame) | |
dc6f92b8 | 1118 | continue; |
f676886a | 1119 | f = XFRAME (frame); |
b1c884c3 | 1120 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1121 | continue; |
3a88c238 | 1122 | if (!f->async_visible) |
dc6f92b8 | 1123 | continue; |
f676886a | 1124 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1125 | continue; |
1126 | ||
f676886a | 1127 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1128 | |
f676886a | 1129 | clear_cursor (f); |
c118dd06 | 1130 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1131 | temp_width = ((windowinfo.width - 2 * intborder |
f676886a JB |
1132 | - f->display.x->v_scrollbar_width) |
1133 | / FONT_WIDTH (f->display.x->font)); | |
dc6f92b8 | 1134 | temp_height = ((windowinfo.height- 2 * intborder |
f676886a JB |
1135 | - f->display.x->h_scrollbar_height) |
1136 | / FONT_HEIGHT (f->display.x->font)); | |
1137 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1138 | { |
f676886a | 1139 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1140 | max (1, temp_width), 0, 1); |
f676886a | 1141 | x_resize_scrollbars (f); |
dc6f92b8 | 1142 | } |
f676886a JB |
1143 | f->display.x->left_pos = windowinfo.x; |
1144 | f->display.x->top_pos = windowinfo.y; | |
1145 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1146 | #if 0 |
f676886a | 1147 | dumpborder (f, 0); |
c118dd06 | 1148 | #endif /* ! 0 */ |
f676886a JB |
1149 | f->display.x->needs_exposure = 0; |
1150 | if (updating_frame != f) | |
1151 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1152 | XFlushQueue (); |
1153 | } | |
1154 | } | |
1155 | else | |
1156 | /* Handle any individual-rectangle expose events queued | |
1157 | for various windows. */ | |
1158 | #ifdef HAVE_X11 | |
1159 | ; | |
c118dd06 | 1160 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1161 | dumpqueue (); |
c118dd06 | 1162 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1163 | } |
f451eb13 | 1164 | #endif |
dc6f92b8 JB |
1165 | |
1166 | #ifdef HAVE_X11 | |
1167 | static void | |
f676886a JB |
1168 | frame_highlight (frame) |
1169 | struct frame *frame; | |
dc6f92b8 JB |
1170 | { |
1171 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1172 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1173 | frame->display.x->border_pixel); |
1174 | x_display_cursor (frame, 1); | |
dc6f92b8 JB |
1175 | } |
1176 | ||
1177 | static void | |
f676886a JB |
1178 | frame_unhighlight (frame) |
1179 | struct frame *frame; | |
dc6f92b8 JB |
1180 | { |
1181 | if (! EQ (Vx_no_window_manager, Qnil)) | |
c118dd06 | 1182 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), |
f676886a JB |
1183 | frame->display.x->border_tile); |
1184 | x_display_cursor (frame, 1); | |
dc6f92b8 | 1185 | } |
c118dd06 | 1186 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1187 | /* Dump the border-emphasis of frame F. |
1188 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1189 | just within the border, occupying a portion of the internal border. |
f676886a | 1190 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1191 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1192 | ||
f676886a | 1193 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1194 | In that case, we also turn the cursor off and on again |
1195 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1196 | ||
1197 | static void | |
f676886a JB |
1198 | dumpborder (f, always) |
1199 | struct frame *f; | |
dc6f92b8 JB |
1200 | int always; |
1201 | { | |
f676886a JB |
1202 | int thickness = f->display.x->internal_border_width / 2; |
1203 | int width = PIXEL_WIDTH (f); | |
1204 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1205 | int pixel; |
1206 | ||
f676886a | 1207 | if (f != selected_frame) |
dc6f92b8 JB |
1208 | { |
1209 | if (!always) | |
1210 | return; | |
1211 | ||
f676886a | 1212 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1213 | } |
1214 | else | |
1215 | { | |
f676886a | 1216 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1217 | } |
1218 | ||
c118dd06 JB |
1219 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1220 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1221 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1222 | thickness, pixel); |
c118dd06 | 1223 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1224 | height, pixel); |
1225 | ||
1226 | if (always) | |
f676886a | 1227 | x_display_cursor (f, 1); |
dc6f92b8 | 1228 | } |
c118dd06 | 1229 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1230 | |
f676886a | 1231 | static void XTframe_rehighlight (); |
6d4238f3 | 1232 | |
f676886a JB |
1233 | /* The focus has changed. Update the frames as necessary to reflect |
1234 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1235 | here, because the lisp code we are interrupting might become confused. |
f676886a | 1236 | Each event gets marked with the frame in which it occured, so the |
6d4238f3 | 1237 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1238 | |
6d4238f3 | 1239 | static void |
f676886a JB |
1240 | x_new_focus_frame (frame) |
1241 | struct frame *frame; | |
dc6f92b8 | 1242 | { |
f676886a | 1243 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1244 | int events_enqueued = 0; |
1245 | ||
f676886a | 1246 | if (frame != x_focus_frame) |
dc6f92b8 | 1247 | { |
6d4238f3 | 1248 | /* Set this before calling other routines, so that they see |
f676886a JB |
1249 | the correct value of x_focus_frame. */ |
1250 | x_focus_frame = frame; | |
6d4238f3 JB |
1251 | |
1252 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1253 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1254 | |
1255 | #if 0 | |
f676886a JB |
1256 | selected_frame = frame; |
1257 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1258 | Lisp_Frame, selected_frame); | |
1259 | Fselect_window (selected_frame->selected_window); | |
1260 | choose_minibuf_frame (); | |
c118dd06 | 1261 | #endif /* ! 0 */ |
dc6f92b8 | 1262 | |
f676886a JB |
1263 | if (x_focus_frame && x_focus_frame->auto_raise) |
1264 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1265 | } |
dc6f92b8 | 1266 | |
f676886a | 1267 | XTframe_rehighlight (); |
6d4238f3 JB |
1268 | } |
1269 | ||
1270 | ||
f451eb13 JB |
1271 | /* The focus has changed, or we have redirected a frame's focus to |
1272 | another frame (this happens when a frame uses a surrogate | |
1273 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1274 | static void |
f676886a | 1275 | XTframe_rehighlight () |
6d4238f3 | 1276 | { |
f676886a | 1277 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1278 | |
f676886a | 1279 | if (x_focus_frame) |
6d4238f3 | 1280 | { |
f451eb13 JB |
1281 | x_highlight_frame = |
1282 | ((XTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) | |
1283 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) | |
1284 | : x_focus_frame); | |
1285 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1286 | { | |
1287 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1288 | x_highlight_frame = x_focus_frame; | |
1289 | } | |
dc6f92b8 | 1290 | } |
6d4238f3 | 1291 | else |
f676886a | 1292 | x_highlight_frame = 0; |
dc6f92b8 | 1293 | |
f676886a | 1294 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1295 | { |
1296 | if (old_highlight) | |
f676886a JB |
1297 | frame_unhighlight (old_highlight); |
1298 | if (x_highlight_frame) | |
1299 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1300 | } |
dc6f92b8 JB |
1301 | } |
1302 | \f | |
90e65f07 JB |
1303 | /* Mouse clicks and mouse movement. Rah. */ |
1304 | #ifdef HAVE_X11 | |
1305 | ||
f676886a | 1306 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return |
90e65f07 JB |
1307 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle |
1308 | that the glyph at X, Y occupies, if BOUNDS != 0. */ | |
1309 | static void | |
f676886a JB |
1310 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds) |
1311 | FRAME_PTR f; | |
dc6f92b8 JB |
1312 | register unsigned int pix_x, pix_y; |
1313 | register int *x, *y; | |
90e65f07 | 1314 | XRectangle *bounds; |
dc6f92b8 | 1315 | { |
f676886a | 1316 | int ibw = f->display.x->internal_border_width; |
90e65f07 | 1317 | int width, height; |
f676886a | 1318 | FONT_TYPE *font = f->display.x->font; |
90e65f07 JB |
1319 | |
1320 | width = FONT_WIDTH (font); | |
1321 | height = FONT_HEIGHT (font); | |
dc6f92b8 JB |
1322 | |
1323 | /* What line is it on? */ | |
90e65f07 JB |
1324 | if (pix_y < ibw) |
1325 | *y = 0; | |
f676886a JB |
1326 | else if (pix_y > f->display.x->pixel_height - ibw) |
1327 | *y = FRAME_HEIGHT (f) - 1; | |
90e65f07 JB |
1328 | else |
1329 | *y = (pix_y - ibw) / height; | |
dc6f92b8 | 1330 | |
90e65f07 | 1331 | /* And what column? */ |
dc6f92b8 JB |
1332 | if (pix_x < ibw) |
1333 | *x = 0; | |
f676886a JB |
1334 | else if (pix_x > f->display.x->pixel_width - ibw) |
1335 | *x = FRAME_WIDTH (f) - 1; | |
dc6f92b8 | 1336 | else |
90e65f07 JB |
1337 | *x = (pix_x - ibw) / width; |
1338 | ||
1339 | if (bounds) | |
1340 | { | |
1341 | bounds->width = width; | |
1342 | bounds->height = height; | |
1343 | bounds->x = ibw + (*x * width); | |
1344 | bounds->y = ibw + (*y * height); | |
1345 | } | |
dc6f92b8 | 1346 | } |
dc6f92b8 JB |
1347 | |
1348 | /* Any buttons grabbed. */ | |
1349 | unsigned int x_mouse_grabbed; | |
1350 | ||
28430d3c JB |
1351 | /* Which modifier keys are on which modifier bits? |
1352 | ||
1353 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1354 | keys were held down when the key was pressed. The interpretation |
1355 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1356 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1357 | is the meta bit. | |
1358 | ||
1359 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1360 | It may have more than one bit set, if more than one modifier bit | |
1361 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1362 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1363 | ||
1364 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1365 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1366 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1367 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1368 | arrangement, the lock modifier should shift the character if | |
1369 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1370 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c JB |
1371 | |
1372 | /* Initialize mode_switch_bit and modifier_meaning. */ | |
1373 | static void | |
1374 | x_find_modifier_meanings () | |
1375 | { | |
f689eb05 | 1376 | int min_code, max_code; |
28430d3c JB |
1377 | KeySym *syms; |
1378 | int syms_per_code; | |
1379 | XModifierKeymap *mods; | |
f689eb05 | 1380 | int alt_mod_mask = 0; |
28430d3c JB |
1381 | |
1382 | x_meta_mod_mask = 0; | |
11edeb03 | 1383 | x_shift_lock_mask = 0; |
28430d3c JB |
1384 | |
1385 | XDisplayKeycodes (x_current_display, &min_code, &max_code); | |
1386 | syms = XGetKeyboardMapping (x_current_display, | |
1387 | min_code, max_code - min_code + 1, | |
1388 | &syms_per_code); | |
1389 | mods = XGetModifierMapping (x_current_display); | |
1390 | ||
11edeb03 JB |
1391 | /* Scan the modifier table to see which modifier bits the Meta and |
1392 | Alt keysyms are on. */ | |
28430d3c JB |
1393 | { |
1394 | int row, col; /* The row and column in the modifier table. */ | |
1395 | ||
1396 | for (row = 3; row < 8; row++) | |
1397 | for (col = 0; col < mods->max_keypermod; col++) | |
1398 | { | |
1399 | KeyCode code = | |
1400 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1401 | ||
1402 | /* Are any of this keycode's keysyms a meta key? */ | |
1403 | { | |
1404 | int code_col; | |
1405 | ||
1406 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1407 | { | |
f689eb05 | 1408 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1409 | |
f689eb05 | 1410 | switch (sym) |
28430d3c | 1411 | { |
f689eb05 JB |
1412 | case XK_Meta_L: |
1413 | case XK_Meta_R: | |
28430d3c JB |
1414 | x_meta_mod_mask |= (1 << row); |
1415 | break; | |
f689eb05 JB |
1416 | |
1417 | case XK_Alt_L: | |
1418 | case XK_Alt_R: | |
1419 | alt_mod_mask |= (1 << row); | |
1420 | break; | |
11edeb03 JB |
1421 | |
1422 | case XK_Shift_Lock: | |
1423 | /* Ignore this if it's not on the lock modifier. */ | |
1424 | if ((1 << row) == LockMask) | |
1425 | x_shift_lock_mask = LockMask; | |
1426 | break; | |
28430d3c JB |
1427 | } |
1428 | } | |
1429 | } | |
1430 | } | |
1431 | } | |
1432 | ||
f689eb05 JB |
1433 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1434 | if (! x_meta_mod_mask) | |
1435 | x_meta_mod_mask = alt_mod_mask; | |
1436 | ||
28430d3c | 1437 | XFree ((char *) syms); |
f689eb05 | 1438 | XFreeModifiermap (mods); |
28430d3c JB |
1439 | } |
1440 | ||
1441 | ||
dc6f92b8 JB |
1442 | /* Convert a set of X modifier bits to the proper form for a |
1443 | struct input_event modifiers value. */ | |
1444 | ||
7c5283e4 | 1445 | static unsigned int |
dc6f92b8 JB |
1446 | x_convert_modifiers (state) |
1447 | unsigned int state; | |
1448 | { | |
11edeb03 JB |
1449 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1450 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
1451 | | ((state & x_meta_mod_mask) ? meta_modifier : 0)); | |
dc6f92b8 JB |
1452 | } |
1453 | ||
dc6f92b8 JB |
1454 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1455 | ||
1456 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1457 | the mouse. */ |
dc6f92b8 JB |
1458 | |
1459 | static Lisp_Object | |
f451eb13 | 1460 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1461 | struct input_event *result; |
1462 | XButtonEvent *event; | |
f676886a | 1463 | struct frame *f; |
dc6f92b8 | 1464 | { |
f451eb13 | 1465 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1466 | otherwise. */ |
f451eb13 JB |
1467 | result->kind = mouse_click; |
1468 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1113d9db | 1469 | result->timestamp = event->time; |
dc6f92b8 | 1470 | result->modifiers = (x_convert_modifiers (event->state) |
f689eb05 JB |
1471 | | (event->type == ButtonRelease |
1472 | ? up_modifier | |
1473 | : down_modifier)); | |
dc6f92b8 JB |
1474 | |
1475 | /* Notice if the mouse is still grabbed. */ | |
1476 | if (event->type == ButtonPress) | |
1477 | { | |
1478 | if (! x_mouse_grabbed) | |
1479 | Vmouse_depressed = Qt; | |
90e65f07 | 1480 | x_mouse_grabbed |= (1 << event->button); |
dc6f92b8 JB |
1481 | } |
1482 | else if (event->type == ButtonRelease) | |
1483 | { | |
90e65f07 | 1484 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1485 | if (!x_mouse_grabbed) |
1486 | Vmouse_depressed = Qnil; | |
1487 | } | |
1488 | ||
f451eb13 JB |
1489 | { |
1490 | int row, column; | |
dc6f92b8 | 1491 | |
f451eb13 JB |
1492 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL); |
1493 | XFASTINT (result->x) = column; | |
1494 | XFASTINT (result->y) = row; | |
1495 | result->frame = f; | |
1496 | } | |
dc6f92b8 JB |
1497 | } |
1498 | ||
1499 | ||
90e65f07 JB |
1500 | /* Mouse movement. Rah. |
1501 | ||
1502 | In order to avoid asking for motion events and then throwing most | |
1503 | of them away or busy-polling the server for mouse positions, we ask | |
1504 | the server for pointer motion hints. This means that we get only | |
1505 | one event per group of mouse movements. "Groups" are delimited by | |
1506 | other kinds of events (focus changes and button clicks, for | |
1507 | example), or by XQueryPointer calls; when one of these happens, we | |
1508 | get another MotionNotify event the next time the mouse moves. This | |
e5d77022 | 1509 | is at least as efficient as getting motion events when mouse |
90e65f07 JB |
1510 | tracking is on, and I suspect only negligibly worse when tracking |
1511 | is off. | |
1512 | ||
1513 | The silly O'Reilly & Associates Nutshell guides barely document | |
1514 | pointer motion hints at all (I think you have to infer how they | |
1515 | work from an example), and the description of XQueryPointer doesn't | |
1516 | mention that calling it causes you to get another motion hint from | |
1517 | the server, which is very important. */ | |
1518 | ||
1519 | /* Where the mouse was last time we reported a mouse event. */ | |
f676886a | 1520 | static FRAME_PTR last_mouse_frame; |
90e65f07 JB |
1521 | static XRectangle last_mouse_glyph; |
1522 | ||
f451eb13 JB |
1523 | /* If the last-checked mouse motion was in a scrollbar, this is that |
1524 | scrollbar, the part being dragged, and the limits it is moving in. | |
1525 | Otherwise, this is zero. */ | |
1526 | static struct scrollbar *last_mouse_bar; | |
1527 | static FRAME_PTR last_mouse_bar_frame; | |
1528 | static enum scrollbar_part last_mouse_part; | |
1529 | static int last_mouse_scroll_range_start; | |
1530 | static int last_mouse_scroll_range_end; | |
1531 | ||
e5d77022 JB |
1532 | /* This is a hack. We would really prefer that XTmouse_position would |
1533 | return the time associated with the position it returns, but there | |
1534 | doesn't seem to be any way to wrest the timestamp from the server | |
1535 | along with the position query. So, we just keep track of the time | |
1536 | of the last movement we received, and return that in hopes that | |
1537 | it's somewhat accurate. */ | |
1538 | static Time last_mouse_movement_time; | |
1539 | ||
90e65f07 JB |
1540 | /* Function to report a mouse movement to the mainstream Emacs code. |
1541 | The input handler calls this. | |
1542 | ||
1543 | We have received a mouse movement event, which is given in *event. | |
1544 | If the mouse is over a different glyph than it was last time, tell | |
1545 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1546 | another motion event, so we can check again the next time it moves. */ | |
1547 | static void | |
f676886a JB |
1548 | note_mouse_position (frame, event) |
1549 | FRAME_PTR frame; | |
90e65f07 JB |
1550 | XMotionEvent *event; |
1551 | ||
1552 | { | |
e5d77022 JB |
1553 | last_mouse_movement_time = event->time; |
1554 | ||
90e65f07 JB |
1555 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1556 | if (event->x < last_mouse_glyph.x | |
1557 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1558 | || event->y < last_mouse_glyph.y | |
1559 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
1560 | mouse_moved = 1; | |
1561 | else | |
1562 | { | |
1563 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1564 | event the next time the mouse moves and we can see if it's | |
1565 | *still* on the same glyph. */ | |
1566 | int dummy; | |
1567 | ||
1568 | XQueryPointer (event->display, event->window, | |
1569 | (Window *) &dummy, (Window *) &dummy, | |
1570 | &dummy, &dummy, &dummy, &dummy, | |
1571 | (unsigned int *) &dummy); | |
1572 | } | |
1573 | } | |
1574 | ||
1575 | /* Return the current position of the mouse. | |
1576 | ||
1577 | This clears the mouse_moved flag, so we can wait for the next mouse | |
1578 | position. This also calls XQueryPointer, which will cause the | |
1579 | server to give us another MotionNotify when the mouse moves again. | |
1580 | */ | |
1581 | ||
1582 | static void | |
f451eb13 | 1583 | XTmouse_position (f, bar, part, x, y, time) |
f676886a | 1584 | FRAME_PTR *f; |
f451eb13 JB |
1585 | struct scrollbar **bar; |
1586 | enum scrollbar_part *part; | |
90e65f07 | 1587 | Lisp_Object *x, *y; |
e5d77022 | 1588 | unsigned long *time; |
90e65f07 JB |
1589 | { |
1590 | int ix, iy, dummy; | |
1591 | Display *d = x_current_display; | |
1592 | Window guess, root, child; | |
1593 | ||
1594 | BLOCK_INPUT; | |
1595 | ||
1596 | /* I would like to have an X function that just told me the | |
1597 | innermost window containing the mouse. | |
1598 | ||
1599 | /* There doesn't seem to be any way to just get the innermost window | |
f676886a | 1600 | containing the pointer, no matter what X frame it's on; you have |
90e65f07 JB |
1601 | to guess a window, and then X will tell you which one of that |
1602 | window's children it's in. If the pointer isn't in any of that | |
1603 | window's children, it gives you a root window that contains it. | |
1604 | ||
f676886a | 1605 | So we start with the selected frame's window and chase down |
90e65f07 JB |
1606 | branches under the guidance of XQueryPointer until we hit a leaf |
1607 | (all of the Emacs windows we care about are leaf windows). If at | |
1608 | any time XQueryPointer returns false, that means that the current | |
1609 | window does not contain the pointer any more (perhaps it moved), | |
1610 | so we start with the root window XQueryPointer has given us and | |
1611 | start again. */ | |
1612 | ||
c118dd06 | 1613 | guess = FRAME_X_WINDOW (selected_frame); |
90e65f07 JB |
1614 | for (;;) |
1615 | if (XQueryPointer (d, guess, &root, &child, | |
1616 | &dummy, &dummy, &ix, &iy, (unsigned int *) &dummy)) | |
1617 | { | |
1618 | if (child == None) | |
1619 | /* Guess is a leaf window, and it contains the pointer. */ | |
1620 | break; | |
1621 | else | |
1622 | guess = child; | |
1623 | } | |
1624 | else | |
1625 | /* When XQueryPointer returns False, the pointer isn't in guess | |
f676886a | 1626 | anymore, but root is the root window of the frame we should |
90e65f07 JB |
1627 | try instead. */ |
1628 | guess = root; | |
1629 | ||
f451eb13 JB |
1630 | if (last_mouse_bar) |
1631 | { | |
1632 | *f = last_mouse_bar_frame; | |
1633 | *bar = last_mouse_bar; | |
1634 | *part = last_mouse_part; | |
1635 | ||
1636 | if (iy < last_mouse_scroll_range_start) | |
1637 | iy = last_mouse_scroll_range_start; | |
1638 | if (iy > last_mouse_scroll_range_end) | |
1639 | iy = last_mouse_scroll_range_end; | |
1640 | XSETINT (*x, iy - last_mouse_scroll_range_start); | |
1641 | XSETINT (*y, (last_mouse_scroll_range_end | |
1642 | - last_mouse_scroll_range_start)); | |
1643 | } | |
90e65f07 JB |
1644 | else |
1645 | { | |
f451eb13 JB |
1646 | *f = last_mouse_frame = x_window_to_frame (guess); |
1647 | if (! *f) | |
1648 | *x = *y = Qnil; | |
1649 | else | |
1650 | { | |
1651 | pixel_to_glyph_coords (*f, ix, iy, &ix, &iy, &last_mouse_glyph); | |
1652 | XSET (*x, Lisp_Int, ix); | |
1653 | XSET (*y, Lisp_Int, iy); | |
1654 | } | |
90e65f07 JB |
1655 | } |
1656 | ||
1657 | mouse_moved = 0; | |
f451eb13 | 1658 | last_mouse_bar = 0; |
90e65f07 JB |
1659 | |
1660 | /* I don't know how to find the time for the last movement; it seems | |
e5d77022 JB |
1661 | like XQueryPointer ought to return it, but it doesn't. So, we'll |
1662 | return the time of the last MotionNotify event we received. Note | |
1663 | that the use of motion hints means that this isn't guaranteed to | |
1664 | be accurate at all. */ | |
1665 | *time = last_mouse_movement_time; | |
90e65f07 JB |
1666 | |
1667 | UNBLOCK_INPUT; | |
1668 | } | |
1669 | ||
c118dd06 | 1670 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1671 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1672 | #endif /* ! defined (HAVE_X11) */ |
1673 | \f | |
f451eb13 JB |
1674 | /* Scrollbar support. */ |
1675 | ||
1676 | /* Map an X window that implements a scroll bar to the struct | |
1677 | scrollbar representing it. */ | |
1678 | static struct scrollbar * | |
1679 | x_window_to_scrollbar (window_id) | |
1680 | Window window_id; | |
1681 | { | |
1682 | Lisp_Object tail, frame; | |
1683 | struct frame *f; | |
1684 | ||
1685 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) | |
1686 | { | |
1687 | struct scrollbar *bar; | |
1688 | Lisp_Object frame = XCONS (tail)->car; | |
1689 | ||
1690 | /* All elements of Vframe_list should be frames. */ | |
1691 | if (XTYPE (frame) != Lisp_Frame) | |
1692 | abort (); | |
1693 | ||
1694 | /* Scan this frame's scrollbar list for a scrollbar with the | |
1695 | right window ID. */ | |
1696 | for (bar = XFRAME (frame)->display.x->vertical_scrollbars; | |
1697 | bar; | |
1698 | bar = bar->next) | |
1699 | if (bar->window == window_id) | |
1700 | return bar; | |
1701 | } | |
1702 | ||
1703 | return 0; | |
1704 | } | |
1705 | ||
1706 | ||
1707 | /* Open a new X window to serve as a scrollbar. */ | |
1708 | static struct scrollbar * | |
1709 | x_scrollbar_create (frame, top, left, width, height) | |
1710 | FRAME_PTR frame; | |
1711 | int top, left, width, height; | |
1712 | { | |
1713 | struct x_display *d = frame->display.x; | |
1714 | ||
1715 | /* We can't signal a malloc error from within redisplay, so call | |
1716 | malloc instead of xmalloc. */ | |
1717 | struct scrollbar *bar = | |
1718 | (struct scrollbar *) malloc (sizeof (struct scrollbar)); | |
1719 | ||
1720 | if (! bar) | |
1721 | return 0; | |
1722 | ||
1723 | BLOCK_INPUT; | |
1724 | ||
1725 | { | |
1726 | XSetWindowAttributes a; | |
1727 | unsigned long mask; | |
1728 | ||
1729 | a.background_pixel = d->background_pixel; | |
1730 | a.border_pixel = d->foreground_pixel; | |
1731 | a.event_mask = (KeyPressMask | |
1732 | | ButtonPressMask | ButtonReleaseMask | |
1733 | | ButtonMotionMask); | |
1734 | a.cursor = x_vertical_scrollbar_cursor; | |
1735 | ||
1736 | mask = (CWBackPixel | CWBorderPixel | CWEventMask | CWCursor); | |
1737 | ||
1738 | bar->window = | |
1739 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
1740 | ||
1741 | /* Position and size of scrollbar. */ | |
1742 | top, left, width, height, | |
1743 | ||
1744 | /* Border width, depth, class, and visual. */ | |
1745 | 1, CopyFromParent, CopyFromParent, CopyFromParent, | |
1746 | ||
1747 | /* Attributes. */ | |
1748 | mask, &a); | |
1749 | } | |
1750 | ||
1751 | bar->frame = frame; | |
1752 | bar->top = top; | |
1753 | bar->left = left; | |
1754 | bar->width = width; | |
1755 | bar->height = height; | |
1756 | bar->start = bar->end = 0; | |
1757 | bar->judge_timestamp = d->judge_timestamp; | |
1758 | bar->dragging = -1; | |
1759 | ||
1760 | /* Add bar to its frame's list of scroll bars. */ | |
1761 | bar->next = d->vertical_scrollbars; | |
1762 | d->vertical_scrollbars = bar; | |
1763 | ||
1764 | XMapWindow (x_current_display, bar->window); | |
1765 | ||
1766 | UNBLOCK_INPUT; | |
1767 | } | |
1768 | ||
1769 | /* Draw BAR's handle in the proper position. */ | |
1770 | static void | |
1771 | x_scrollbar_set_handle (bar, start, end) | |
1772 | struct scrollbar *bar; | |
1773 | int start, end; | |
1774 | { | |
1775 | BLOCK_INPUT; | |
1776 | ||
1777 | { | |
1778 | int inside_width = (bar->width | |
1779 | - VERTICAL_SCROLLBAR_LEFT_BORDER | |
1780 | - VERTICAL_SCROLLBAR_RIGHT_BORDER); | |
1781 | int inside_height = (bar->height | |
1782 | - VERTICAL_SCROLLBAR_TOP_BORDER | |
1783 | - VERTICAL_SCROLLBAR_BOTTOM_BORDER); | |
1784 | ||
1785 | /* Make sure the values are reasonable, and try to preserve | |
1786 | the distance between start and end. */ | |
1787 | if (end < start) | |
1788 | end = start; | |
1789 | if (start < VERTICAL_SCROLLBAR_TOP_BORDER) | |
1790 | { | |
1791 | end = VERTICAL_SCROLLBAR_TOP_BORDER + (end - start); | |
1792 | start = VERTICAL_SCROLLBAR_TOP_BORDER; | |
1793 | } | |
1794 | if (end > bar->height - VERTICAL_SCROLLBAR_BOTTOM_BORDER) | |
1795 | { | |
1796 | start = ((bar->height - VERTICAL_SCROLLBAR_BOTTOM_BORDER) | |
1797 | - (end - start)); | |
1798 | end = bar->height - VERTICAL_SCROLLBAR_BOTTOM_BORDER; | |
1799 | } | |
1800 | if (start < VERTICAL_SCROLLBAR_TOP_BORDER) | |
1801 | start = VERTICAL_SCROLLBAR_TOP_BORDER; | |
1802 | ||
1803 | /* Draw the empty space above the handle. */ | |
1804 | XClearArea (x_current_display, bar->window, | |
1805 | ||
1806 | /* x, y, width, height, and exposures. */ | |
1807 | VERTICAL_SCROLLBAR_LEFT_BORDER, | |
1808 | VERTICAL_SCROLLBAR_TOP_BORDER, | |
1809 | inside_width + 1, start + 1, | |
1810 | False); | |
1811 | ||
1812 | /* Draw the handle itself. */ | |
1813 | XFillRectangle (x_current_display, bar->window, | |
1814 | bar->frame->display.x->normal_gc, | |
1815 | ||
1816 | /* x, y, width, height */ | |
1817 | VERTICAL_SCROLLBAR_LEFT_BORDER, start, | |
1818 | inside_width, (end - start) + 1); | |
1819 | ||
1820 | ||
1821 | /* Draw the empty space below the handle. */ | |
1822 | XClearArea (x_current_display, bar->window, | |
1823 | ||
1824 | /* x, y, width, height, and exposures. */ | |
1825 | VERTICAL_SCROLLBAR_LEFT_BORDER, | |
1826 | VERTICAL_SCROLLBAR_TOP_BORDER + end, | |
1827 | inside_width + 1, (inside_height - end) + 1, | |
1828 | False); | |
1829 | ||
1830 | bar->start = start; | |
1831 | bar->end = end; | |
1832 | } | |
1833 | ||
1834 | UNBLOCK_INPUT; | |
1835 | } | |
1836 | ||
1837 | /* Remove the scrollbar BAR. */ | |
1838 | static void | |
1839 | x_scrollbar_remove (bar) | |
1840 | struct scrollbar *bar; | |
1841 | { | |
1842 | BLOCK_INPUT; | |
1843 | ||
1844 | /* Remove bar from the frame's list. */ | |
1845 | { | |
1846 | struct scrollbar **ptr; | |
1847 | ||
1848 | for (ptr = &bar->frame->display.x->vertical_scrollbars; | |
1849 | *ptr; | |
1850 | ptr = &(*ptr)->next) | |
1851 | if (*ptr == bar) | |
1852 | { | |
1853 | *ptr = bar->next; | |
1854 | break; | |
1855 | } | |
1856 | } | |
1857 | ||
1858 | /* Destroy the window. */ | |
1859 | XDestroyWindow (x_current_display, bar->window); | |
1860 | ||
1861 | /* Free the storage. */ | |
1862 | free (bar); | |
1863 | ||
1864 | UNBLOCK_INPUT; | |
1865 | } | |
1866 | ||
1867 | static void | |
1868 | x_scrollbar_move (bar, top, left, width, height) | |
1869 | struct scrollbar *bar; | |
1870 | int top, left, width, height; | |
1871 | { | |
1872 | BLOCK_INPUT; | |
1873 | ||
1874 | { | |
1875 | XWindowChanges wc; | |
1876 | unsigned int mask = 0; | |
1877 | ||
1878 | wc.x = left; | |
1879 | wc.y = top; | |
1880 | wc.width = width; | |
1881 | wc.height = height; | |
1882 | ||
1883 | if (left != bar->left) mask |= CWX; | |
1884 | if (top != bar->top) mask |= CWY; | |
1885 | if (width != bar->width) mask |= CWWidth; | |
1886 | if (height != bar->height) mask |= CWHeight; | |
1887 | ||
1888 | XConfigureWindow (x_current_display, bar->window, mask, &wc); | |
1889 | } | |
1890 | ||
1891 | UNBLOCK_INPUT; | |
1892 | } | |
1893 | ||
1894 | /* Set BAR to be the vertical scroll bar for WINDOW. Set its handle | |
1895 | to indicate that we are displaying PORTION characters out of a | |
1896 | total of WHOLE characters, starting at POSITION. Return BAR. If | |
1897 | BAR is zero, create a new scrollbar and return a pointer to it. */ | |
1898 | static struct scrollbar * | |
1899 | XTset_scrollbar (bar, window, portion, whole, position) | |
1900 | struct scrollbar *bar; | |
1901 | struct window *window; | |
1902 | int portion, whole, position; | |
1903 | { | |
1904 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
1905 | struct x_display *d = f->display.x; | |
1906 | int top = XINT (window->top); | |
1907 | int left = WINDOW_VERTICAL_SCROLLBAR_COLUMN (window); | |
1908 | int height = WINDOW_VERTICAL_SCROLLBAR_HEIGHT (window); | |
1909 | ||
1910 | /* Where should this scrollbar be, pixelwise? */ | |
1911 | int pixel_top = (d->internal_border_width + top * FONT_HEIGHT (d->font)); | |
1912 | int pixel_left = (d->internal_border_width + left * FONT_WIDTH (d->font)); | |
1913 | int pixel_width = VERTICAL_SCROLLBAR_PIXEL_WIDTH (f); | |
1914 | int pixel_height = VERTICAL_SCROLLBAR_PIXEL_HEIGHT (f, height); | |
1915 | ||
1916 | /* Does the scrollbar exist yet? */ | |
1917 | if (! bar) | |
1918 | bar = x_scrollbar_create (f, | |
1919 | pixel_top, pixel_left, | |
1920 | pixel_width, pixel_height); | |
1921 | else | |
1922 | /* It may just need to be moved and resized. */ | |
1923 | x_scrollbar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
1924 | ||
1925 | /* Set the scrollbar's current state, unless we're currently being | |
1926 | dragged. */ | |
1927 | ||
1928 | if (bar && bar->dragging == -1) | |
1929 | { | |
1930 | int inside_height = (pixel_height | |
1931 | - VERTICAL_SCROLLBAR_TOP_BORDER | |
1932 | - VERTICAL_SCROLLBAR_BOTTOM_BORDER); | |
1933 | int start = (position * inside_height) / whole; | |
1934 | int end = ((position + portion) * inside_height) / whole; | |
1935 | ||
1936 | x_scrollbar_set_handle (bar, start, end); | |
1937 | } | |
1938 | ||
1939 | return bar; | |
1940 | } | |
1941 | ||
1942 | /* The following three hooks are used when we're doing a thorough | |
1943 | redisplay of the frame. We don't explicitly know which scrollbars | |
1944 | are going to be deleted, because keeping track of when windows go | |
1945 | away is a real pain - can you say set-window-configuration? | |
1946 | Instead, we just assert at the beginning of redisplay that *all* | |
1947 | scrollbars are to be removed, and then save scrollbars from the | |
1948 | firey pit when we actually redisplay their window. */ | |
1949 | ||
1950 | /* Arrange for all scrollbars on FRAME to be removed at the next call | |
1951 | to `*judge_scrollbars_hook'. A scrollbar may be spared if | |
1952 | `*redeem_scrollbar_hook' is applied to it before the judgement. */ | |
1953 | static void | |
1954 | XTcondemn_scrollbars (frame) | |
1955 | FRAME_PTR frame; | |
1956 | { | |
1957 | /* Any scrollbars which don't get caught up to this will be deleted. */ | |
1958 | frame->display.x->judge_timestamp++; | |
1959 | } | |
1960 | ||
1961 | /* Unmark BAR for deletion in this judgement cycle. */ | |
1962 | static void | |
1963 | XTredeem_scrollbar (bar) | |
1964 | struct scrollbar *bar; | |
1965 | { | |
1966 | bar->judge_timestamp = bar->frame->display.x->judge_timestamp; | |
1967 | } | |
1968 | ||
1969 | /* Remove all scrollbars on FRAME that haven't been saved since the | |
1970 | last call to `*condemn_scrollbars_hook'. */ | |
1971 | static void | |
1972 | XTjudge_scrollbars(frame) | |
1973 | FRAME_PTR frame; | |
1974 | { | |
1975 | int judge_timestamp = frame->display.x->judge_timestamp; | |
1976 | struct scrollbar *bar, *next; | |
1977 | ||
1978 | for (bar = frame->display.x->vertical_scrollbars; bar; bar = next) | |
1979 | { | |
1980 | next = bar->next; | |
1981 | if (bar->judge_timestamp < judge_timestamp) | |
1982 | x_scrollbar_remove (bar); | |
1983 | } | |
1984 | } | |
1985 | ||
1986 | ||
1987 | /* Handle an Expose or GraphicsExpose event on a scrollbar. */ | |
1988 | static void | |
1989 | x_scrollbar_expose (bar, event) | |
1990 | struct scrollbar *bar; | |
1991 | XEvent *event; | |
1992 | { | |
1993 | BLOCK_INPUT; | |
1994 | ||
1995 | x_scrollbar_set_handle (bar, bar->start, bar->end); | |
1996 | ||
1997 | /* Draw the extra-thick border on the right. */ | |
1998 | XFillRectangle (x_current_display, bar->window, | |
1999 | bar->frame->display.x->normal_gc, | |
2000 | ||
2001 | /* x, y, width, height */ | |
2002 | bar->width - VERTICAL_SCROLLBAR_RIGHT_BORDER, 0, | |
2003 | VERTICAL_SCROLLBAR_RIGHT_BORDER, bar->height + 1); | |
2004 | ||
2005 | UNBLOCK_INPUT; | |
2006 | } | |
2007 | ||
2008 | /* Handle an exposure event which might be over the extra scrollbar space. */ | |
2009 | static void | |
2010 | x_scrollbar_background_expose (frame, event) | |
2011 | FRAME_PTR frame; | |
2012 | XEvent *event; | |
2013 | { | |
2014 | /* Where is the extra scrollbar space, anyway? */ | |
2015 | int width = VERTICAL_SCROLLBAR_PIXEL_WIDTH (frame); | |
2016 | int height = PIXEL_HEIGHT (frame); | |
2017 | int x = PIXEL_WIDTH (frame) - width; | |
2018 | int y = 0; | |
2019 | ||
2020 | BLOCK_INPUT; | |
2021 | ||
2022 | /* Clear it out. */ | |
2023 | XClearArea (x_current_display, FRAME_X_WINDOW (frame), | |
2024 | ||
2025 | /* x, y, width, height, expose */ | |
2026 | x, y, width+1, height+1, False); | |
2027 | ||
2028 | /* Draw the border. */ | |
2029 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (frame), | |
2030 | frame->display.x->normal_gc, | |
2031 | x, y, width, height); | |
2032 | ||
2033 | /* Draw the extra-thick border on the right edge. */ | |
2034 | XFillRectangle (x_current_display, FRAME_X_WINDOW (frame), | |
2035 | frame->display.x->normal_gc, | |
2036 | x + width - VERTICAL_SCROLLBAR_RIGHT_BORDER, 0, | |
2037 | VERTICAL_SCROLLBAR_RIGHT_BORDER, height + 1); | |
2038 | ||
2039 | UNBLOCK_INPUT; | |
2040 | } | |
2041 | ||
2042 | /* Handle a mouse click on the scrollbar BAR. If *EMACS_EVENT's kind | |
2043 | is set to something other than no_event, it is enqueued. */ | |
2044 | static void | |
2045 | x_scrollbar_handle_click (bar, event, emacs_event) | |
2046 | struct scrollbar *bar; | |
2047 | XEvent *event; | |
2048 | struct input_event *emacs_event; | |
2049 | { | |
2050 | emacs_event->kind = scrollbar_click; | |
2051 | XSETINT (emacs_event->code, event->xbutton.button - Button1); | |
2052 | emacs_event->modifiers = | |
2053 | (x_convert_modifiers (event->xbutton.state) | |
2054 | | (event->type == ButtonRelease | |
2055 | ? up_modifier | |
2056 | : down_modifier)); | |
2057 | emacs_event->part = | |
2058 | ((event->xbutton.x < bar->start) ? scrollbar_above_handle | |
2059 | : (event->xbutton.x < bar->end) ? scrollbar_handle | |
2060 | : scrollbar_below_handle); | |
2061 | emacs_event->scrollbar = bar; | |
2062 | ||
2063 | if (event->xbutton.y < VERTICAL_SCROLLBAR_TOP_BORDER) | |
2064 | event->xbutton.y = VERTICAL_SCROLLBAR_TOP_BORDER; | |
2065 | if (event->xbutton.y > bar->height - VERTICAL_SCROLLBAR_BOTTOM_BORDER) | |
2066 | event->xbutton.y = bar->height - VERTICAL_SCROLLBAR_BOTTOM_BORDER; | |
2067 | XSETINT (emacs_event->x, | |
2068 | event->xbutton.y - VERTICAL_SCROLLBAR_TOP_BORDER); | |
2069 | XSETINT (emacs_event->y, | |
2070 | (bar->height | |
2071 | - VERTICAL_SCROLLBAR_TOP_BORDER | |
2072 | - VERTICAL_SCROLLBAR_BOTTOM_BORDER)); | |
2073 | ||
2074 | emacs_event->frame = bar->frame; | |
2075 | emacs_event->timestamp = event->xbutton.time; | |
2076 | ||
2077 | if (event->type == ButtonPress | |
2078 | && emacs_event->part == scrollbar_handle) | |
2079 | bar->dragging = event->xbutton.x - bar->start; | |
2080 | else | |
2081 | { | |
2082 | int new_start = event->xbutton.x - bar->dragging; | |
2083 | int new_end = new_start + (bar->end - bar->start); | |
2084 | ||
2085 | x_scrollbar_set_handle (bar, new_start, new_end); | |
2086 | bar->dragging = -1; | |
2087 | } | |
2088 | } | |
2089 | ||
2090 | ||
2091 | /* Handle some mouse motion while someone is dragging the scrollbar. */ | |
2092 | static void | |
2093 | x_scrollbar_handle_motion (bar, event) | |
2094 | struct scrollbar *bar; | |
2095 | XEvent *event; | |
2096 | { | |
2097 | last_mouse_movement_time = event->xmotion.time; | |
2098 | ||
2099 | mouse_moved = 1; | |
2100 | last_mouse_bar = bar; | |
2101 | last_mouse_bar_frame = bar->frame; | |
2102 | last_mouse_part = (bar->dragging == -1 ? scrollbar_handle | |
2103 | : (event->xbutton.x < bar->start) ? scrollbar_above_handle | |
2104 | : (event->xbutton.x < bar->end) ? scrollbar_handle | |
2105 | : scrollbar_below_handle); | |
2106 | last_mouse_scroll_range_start = bar->top + VERTICAL_SCROLLBAR_TOP_BORDER; | |
2107 | last_mouse_scroll_range_end = (bar->top | |
2108 | + bar->height | |
2109 | - VERTICAL_SCROLLBAR_BOTTOM_BORDER); | |
2110 | ||
2111 | /* If we're dragging the bar, display it. */ | |
2112 | if (bar->dragging != -1) | |
2113 | { | |
2114 | /* Where should the handle be now? */ | |
2115 | int new_start = event->xmotion.x - bar->dragging; | |
2116 | ||
2117 | if (new_start != bar->start) | |
2118 | { | |
2119 | int new_end = new_start + (bar->end - bar->start); | |
2120 | ||
2121 | x_scrollbar_set_handle (bar, new_start, new_end); | |
2122 | } | |
2123 | } | |
2124 | ||
2125 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2126 | moves and we can see *still* on the same position. */ | |
2127 | { | |
2128 | int dummy; | |
2129 | ||
2130 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2131 | (Window *) &dummy, (Window *) &dummy, | |
2132 | &dummy, &dummy, &dummy, &dummy, | |
2133 | (unsigned int *) &dummy); | |
2134 | } | |
2135 | } | |
2136 | ||
2137 | ||
2138 | \f | |
2139 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2140 | |
dc6f92b8 JB |
2141 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2142 | but we have to put it out here, since static variables within functions | |
2143 | sometimes don't work. */ | |
2144 | static Time enter_timestamp; | |
2145 | ||
11edeb03 JB |
2146 | /* This holds the state XLookupString needs to implement dead keys |
2147 | and other tricks known as "compose processing". _X Window System_ | |
2148 | says that a portable program can't use this, but Stephen Gildea assures | |
2149 | me that letting the compiler initialize it to zeros will work okay. | |
2150 | ||
2151 | This must be defined outside of XTread_socket, for the same reasons | |
2152 | given for enter_timestamp, above. */ | |
2153 | static XComposeStatus compose_status; | |
2154 | ||
c047688c JA |
2155 | /* Communication with window managers. */ |
2156 | Atom Xatom_wm_protocols; | |
2157 | ||
2158 | /* Kinds of protocol things we may receive. */ | |
2159 | Atom Xatom_wm_take_focus; | |
2160 | Atom Xatom_wm_save_yourself; | |
2161 | Atom Xatom_wm_delete_window; | |
2162 | ||
2163 | /* Other WM communication */ | |
2164 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2165 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2166 | ||
dc6f92b8 JB |
2167 | /* Read events coming from the X server. |
2168 | This routine is called by the SIGIO handler. | |
2169 | We return as soon as there are no more events to be read. | |
2170 | ||
2171 | Events representing keys are stored in buffer BUFP, | |
2172 | which can hold up to NUMCHARS characters. | |
2173 | We return the number of characters stored into the buffer, | |
2174 | thus pretending to be `read'. | |
2175 | ||
2176 | WAITP is nonzero if we should block until input arrives. | |
2177 | EXPECTED is nonzero if the caller knows input is available. */ | |
2178 | ||
7c5283e4 | 2179 | int |
dc6f92b8 JB |
2180 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2181 | register int sd; | |
2182 | register struct input_event *bufp; | |
2183 | register int numchars; | |
2184 | int waitp; | |
2185 | int expected; | |
2186 | { | |
2187 | int count = 0; | |
2188 | int nbytes = 0; | |
2189 | int mask; | |
2190 | int items_pending; /* How many items are in the X queue. */ | |
2191 | XEvent event; | |
f676886a | 2192 | struct frame *f; |
dc6f92b8 JB |
2193 | int event_found; |
2194 | int prefix; | |
2195 | Lisp_Object part; | |
2196 | ||
2197 | if (x_input_blocked) | |
2198 | { | |
2199 | x_pending_input = 1; | |
2200 | return -1; | |
2201 | } | |
2202 | ||
2203 | x_pending_input = 0; | |
2204 | BLOCK_INPUT; | |
2205 | ||
2206 | if (numchars <= 0) | |
2207 | abort (); /* Don't think this happens. */ | |
2208 | ||
2209 | #ifdef FIOSNBIO | |
2210 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2211 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2212 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2213 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2214 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2215 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2216 | |
2217 | #ifndef SIGIO | |
2218 | #ifndef HAVE_SELECT | |
2219 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2220 | { | |
2221 | extern int read_alarm_should_throw; | |
2222 | read_alarm_should_throw = 1; | |
2223 | XPeekEvent (XDISPLAY &event); | |
2224 | read_alarm_should_throw = 0; | |
2225 | } | |
c118dd06 JB |
2226 | #endif /* HAVE_SELECT */ |
2227 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2228 | |
2229 | while (XStuffPending () != 0) | |
2230 | { | |
2231 | XNextEvent (XDISPLAY &event); | |
2232 | event_found = 1; | |
2233 | ||
2234 | switch (event.type) | |
2235 | { | |
2236 | #ifdef HAVE_X11 | |
c047688c JA |
2237 | case ClientMessage: |
2238 | { | |
2239 | if (event.xclient.message_type == Xatom_wm_protocols | |
2240 | && event.xclient.format == 32) | |
2241 | { | |
2242 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2243 | { | |
f676886a JB |
2244 | f = x_window_to_frame (event.xclient.window); |
2245 | if (f) | |
2246 | x_focus_on_frame (f); | |
c047688c JA |
2247 | /* Not certain about handling scrollbars here */ |
2248 | } | |
2249 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2250 | { | |
2251 | /* Save state modify the WM_COMMAND property to | |
2252 | something which can reinstate us. This notifies | |
2253 | the session manager, who's looking for such a | |
2254 | PropertyNotify. Can restart processing when | |
2255 | a keyboard or mouse event arrives. */ | |
2256 | if (numchars > 0) | |
2257 | { | |
2258 | } | |
2259 | } | |
2260 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2261 | { | |
f676886a | 2262 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2263 | |
f676886a | 2264 | if (f) |
c047688c JA |
2265 | if (numchars > 0) |
2266 | { | |
2267 | } | |
2268 | } | |
2269 | } | |
2270 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2271 | { | |
2272 | } | |
2273 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2274 | { | |
2275 | int new_x, new_y; | |
2276 | ||
4357eba7 JB |
2277 | new_x = event.xclient.data.s[0]; |
2278 | new_y = event.xclient.data.s[1]; | |
c047688c JA |
2279 | } |
2280 | } | |
2281 | break; | |
dc6f92b8 JB |
2282 | |
2283 | case SelectionClear: /* Someone has grabbed ownership. */ | |
2284 | x_disown_selection (event.xselectionclear.window, | |
2285 | event.xselectionclear.selection, | |
2286 | event.xselectionclear.time); | |
2287 | break; | |
2288 | ||
2289 | case SelectionRequest: /* Someone wants our selection. */ | |
2290 | x_answer_selection_request (event); | |
2291 | break; | |
2292 | ||
2293 | case PropertyNotify: | |
28430d3c JB |
2294 | |
2295 | /* If we're being told about a root window property, then it's | |
2296 | a cut buffer change. */ | |
2297 | if (event.xproperty.window == ROOT_WINDOW) | |
2298 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2299 | ||
2300 | /* Otherwise, we're probably handling an incremental | |
2301 | selection transmission. */ | |
2302 | else | |
2303 | { | |
2304 | /* If we were to do this synchronously, there'd be no worry | |
2305 | about re-selecting. */ | |
2306 | x_send_incremental (event); | |
2307 | } | |
dc6f92b8 JB |
2308 | break; |
2309 | ||
2310 | case Expose: | |
f676886a JB |
2311 | f = x_window_to_frame (event.xexpose.window); |
2312 | if (f) | |
dc6f92b8 | 2313 | { |
3a88c238 | 2314 | if (f->async_visible == 0) |
dc6f92b8 | 2315 | { |
3a88c238 JB |
2316 | f->async_visible = 1; |
2317 | f->async_iconified = 0; | |
f676886a | 2318 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2319 | } |
2320 | else | |
f451eb13 JB |
2321 | { |
2322 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2323 | event.xexpose.x, event.xexpose.y, | |
2324 | event.xexpose.width, event.xexpose.height); | |
2325 | x_scrollbar_background_expose (f, &event); | |
2326 | } | |
2327 | } | |
2328 | else | |
2329 | { | |
2330 | struct scrollbar *bar | |
2331 | = x_window_to_scrollbar (event.xexpose.window); | |
2332 | ||
2333 | if (bar) | |
2334 | x_scrollbar_expose (bar, &event); | |
dc6f92b8 JB |
2335 | } |
2336 | break; | |
2337 | ||
2338 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2339 | source area was obscured or not | |
2340 | available.*/ | |
f451eb13 JB |
2341 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2342 | if (f) | |
2343 | { | |
2344 | dumprectangle (f, | |
2345 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2346 | event.xgraphicsexpose.width, | |
2347 | event.xgraphicsexpose.height); | |
2348 | x_scrollbar_background_expose (f, &event); | |
2349 | } | |
dc6f92b8 JB |
2350 | break; |
2351 | ||
2352 | case NoExpose: /* This occurs when an XCopyArea's | |
2353 | source area was completely | |
2354 | available */ | |
2355 | break; | |
c118dd06 | 2356 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2357 | case ExposeWindow: |
2358 | if (event.subwindow != 0) | |
2359 | break; /* duplicate event */ | |
f676886a JB |
2360 | f = x_window_to_frame (event.window); |
2361 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2362 | { |
f676886a | 2363 | refreshicon (f); |
3a88c238 | 2364 | f->async_iconified = 1; |
dc6f92b8 | 2365 | } |
c118dd06 | 2366 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2367 | { |
2368 | /* Say must check all windows' needs_exposure flags. */ | |
2369 | expose_all_windows = 1; | |
f676886a | 2370 | f->display.x->needs_exposure = 1; |
3a88c238 | 2371 | f->async_visible = 1; |
dc6f92b8 JB |
2372 | } |
2373 | break; | |
2374 | ||
2375 | case ExposeRegion: | |
2376 | if (event.subwindow != 0) | |
2377 | break; /* duplicate event */ | |
f676886a JB |
2378 | f = x_window_to_frame (event.window); |
2379 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2380 | { |
f676886a | 2381 | refreshicon (f); |
dc6f92b8 JB |
2382 | break; |
2383 | } | |
2384 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2385 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2386 | break; |
2387 | /* Put the event on the queue of rectangles to redraw. */ | |
2388 | if (enqueue_event (&event, &x_expose_queue)) | |
2389 | /* If it is full, we can't record the rectangle, | |
2390 | so redraw this entire window. */ | |
2391 | { | |
2392 | /* Say must check all windows' needs_exposure flags. */ | |
2393 | expose_all_windows = 1; | |
f676886a | 2394 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2395 | } |
2396 | break; | |
2397 | ||
2398 | case ExposeCopy: | |
2399 | /* This should happen only when we are expecting it, | |
2400 | in x_read_exposes. */ | |
2401 | abort (); | |
c118dd06 | 2402 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2403 | |
2404 | #ifdef HAVE_X11 | |
2405 | case UnmapNotify: | |
f451eb13 JB |
2406 | f = x_window_to_frame (event.xunmap.window); |
2407 | if (f) /* F may no longer exist if | |
f676886a | 2408 | the frame was deleted. */ |
f451eb13 JB |
2409 | { |
2410 | /* While a frame is unmapped, display generation is | |
2411 | disabled; you don't want to spend time updating a | |
2412 | display that won't ever be seen. */ | |
2413 | f->async_visible = 0; | |
2414 | } | |
dc6f92b8 JB |
2415 | break; |
2416 | ||
2417 | case MapNotify: | |
f676886a JB |
2418 | f = x_window_to_frame (event.xmap.window); |
2419 | if (f) | |
dc6f92b8 | 2420 | { |
3a88c238 JB |
2421 | f->async_visible = 1; |
2422 | f->async_iconified = 0; | |
dc6f92b8 JB |
2423 | |
2424 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2425 | the frame's display structures. */ |
2426 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2427 | } |
2428 | break; | |
2429 | ||
2430 | /* Turn off processing if we become fully obscured. */ | |
2431 | case VisibilityNotify: | |
2432 | break; | |
2433 | ||
c118dd06 | 2434 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2435 | case UnmapWindow: |
f676886a JB |
2436 | f = x_window_to_frame (event.window); |
2437 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2438 | f->async_iconified = 0; |
c118dd06 | 2439 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2440 | f->async_visible = 0; |
dc6f92b8 | 2441 | break; |
c118dd06 | 2442 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2443 | |
2444 | #ifdef HAVE_X11 | |
2445 | case KeyPress: | |
f676886a | 2446 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2447 | |
f676886a | 2448 | if (f != 0) |
dc6f92b8 JB |
2449 | { |
2450 | KeySym keysym; | |
dc6f92b8 | 2451 | char copy_buffer[80]; |
3a2712f9 JB |
2452 | int modifiers = event.xkey.state; |
2453 | ||
2454 | /* Some keyboards generate different characters | |
2455 | depending on the state of the meta key, in an attempt | |
2456 | to support non-English typists. It would be nice to | |
2457 | keep this functionality somehow, but for now, we will | |
2458 | just clear the meta-key flag to get the 'pure' character. */ | |
2459 | event.xkey.state &= ~Mod1Mask; | |
dc6f92b8 | 2460 | |
11edeb03 JB |
2461 | /* This will have to go some day... */ |
2462 | nbytes = | |
2463 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
2464 | &compose_status); | |
dc6f92b8 | 2465 | |
55123275 JB |
2466 | /* Strip off the vendor-specific keysym bit, and take a shot |
2467 | at recognizing the codes. HP servers have extra keysyms | |
2468 | that fit into the MiscFunctionKey category. */ | |
2469 | keysym &= ~(1<<28); | |
2470 | ||
dc6f92b8 JB |
2471 | if (numchars > 1) |
2472 | { | |
55123275 JB |
2473 | if (IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ |
2474 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < 0xff80 */ | |
2475 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ | |
2476 | || IsFunctionKey (keysym)) /* 0xffbe <= x < 0xffe1 */ | |
dc6f92b8 JB |
2477 | { |
2478 | bufp->kind = non_ascii_keystroke; | |
90e65f07 | 2479 | XSET (bufp->code, Lisp_Int, (unsigned) keysym - 0xff50); |
f676886a | 2480 | bufp->frame = f; |
3a2712f9 | 2481 | bufp->modifiers = x_convert_modifiers (modifiers); |
1113d9db | 2482 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2483 | bufp++; |
2484 | count++; | |
2485 | numchars--; | |
2486 | } | |
2487 | else if (numchars > nbytes) | |
2488 | { | |
2489 | register int i; | |
2490 | ||
2491 | if (nbytes == 1) | |
2492 | { | |
f689eb05 | 2493 | if (modifiers & x_meta_mod_mask) |
dc6f92b8 JB |
2494 | *copy_buffer |= METABIT; |
2495 | bufp->kind = ascii_keystroke; | |
2496 | XSET (bufp->code, Lisp_Int, *copy_buffer); | |
f676886a | 2497 | bufp->frame = f; |
1113d9db | 2498 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2499 | bufp++; |
2500 | } | |
2501 | else | |
2502 | for (i = nbytes - 1; i > 1; i--) | |
2503 | { | |
2504 | bufp->kind = ascii_keystroke; | |
2505 | XSET (bufp->code, Lisp_Int, copy_buffer[i]); | |
f676886a | 2506 | bufp->frame = f; |
1113d9db | 2507 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
2508 | bufp++; |
2509 | } | |
2510 | ||
2511 | count += nbytes; | |
2512 | numchars -= nbytes; | |
2513 | } | |
2514 | } | |
2515 | } | |
2516 | break; | |
c118dd06 | 2517 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2518 | case KeyPressed: |
2519 | { | |
2520 | register char *where_mapping; | |
2521 | ||
f676886a | 2522 | f = x_window_to_frame (event.window); |
dc6f92b8 | 2523 | /* Ignore keys typed on icon windows. */ |
f676886a | 2524 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
2525 | break; |
2526 | where_mapping = XLookupMapping (&event, &nbytes); | |
2527 | /* Nasty fix for arrow keys */ | |
2528 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
2529 | { | |
2530 | switch (event.detail & 0xff) | |
2531 | { | |
2532 | case KC_CURSOR_LEFT: | |
2533 | where_mapping = "\002"; | |
2534 | break; | |
2535 | case KC_CURSOR_RIGHT: | |
2536 | where_mapping = "\006"; | |
2537 | break; | |
2538 | case KC_CURSOR_UP: | |
2539 | where_mapping = "\020"; | |
2540 | break; | |
2541 | case KC_CURSOR_DOWN: | |
2542 | where_mapping = "\016"; | |
2543 | break; | |
2544 | } | |
2545 | nbytes = 1; | |
2546 | } | |
2547 | if (numchars - nbytes > 0) | |
2548 | { | |
2549 | register int i; | |
2550 | ||
2551 | for (i = 0; i < nbytes; i++) | |
2552 | { | |
2553 | bufp->kind = ascii_keystroke; | |
2554 | XSET (bufp->code, Lisp_Int, where_mapping[i]); | |
90e65f07 | 2555 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
f676886a | 2556 | bufp->frame = f; |
dc6f92b8 JB |
2557 | bufp++; |
2558 | } | |
2559 | count += nbytes; | |
2560 | numchars -= nbytes; | |
2561 | } | |
2562 | } | |
2563 | break; | |
c118dd06 | 2564 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2565 | |
2566 | #ifdef HAVE_X11 | |
f451eb13 JB |
2567 | |
2568 | /* Here's a possible interpretation of the whole | |
2569 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
2570 | FocusIn event, you have to get a FocusOut event before you | |
2571 | relinquish the focus. If you haven't received a FocusIn event, | |
2572 | then a mere LeaveNotify is enough to free you. */ | |
2573 | ||
dc6f92b8 | 2574 | case EnterNotify: |
f676886a | 2575 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 2576 | |
f451eb13 | 2577 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 2578 | { |
dc6f92b8 | 2579 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
2580 | if (f && (!(f->auto_raise) |
2581 | || !(f->auto_lower) | |
dc6f92b8 JB |
2582 | || (event.xcrossing.time - enter_timestamp) > 500)) |
2583 | { | |
f676886a | 2584 | x_new_focus_frame (f); |
dc6f92b8 JB |
2585 | enter_timestamp = event.xcrossing.time; |
2586 | } | |
dc6f92b8 | 2587 | } |
f676886a JB |
2588 | else if (f == x_focus_frame) |
2589 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2590 | |
2591 | break; | |
2592 | ||
2593 | case FocusIn: | |
f676886a | 2594 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2595 | if (event.xfocus.detail != NotifyPointer) |
2596 | x_focus_event_frame = f; | |
f676886a JB |
2597 | if (f) |
2598 | x_new_focus_frame (f); | |
dc6f92b8 JB |
2599 | break; |
2600 | ||
f451eb13 | 2601 | |
dc6f92b8 | 2602 | case LeaveNotify: |
f451eb13 | 2603 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 2604 | |
f451eb13 JB |
2605 | if (event.xcrossing.focus) |
2606 | { | |
2607 | if (! x_focus_event_frame) | |
2608 | x_new_focus_frame (0); | |
2609 | else | |
f676886a | 2610 | x_new_focus_frame (f); |
f451eb13 JB |
2611 | } |
2612 | else | |
2613 | { | |
2614 | if (f == x_focus_event_frame) | |
2615 | x_focus_event_frame = 0; | |
2616 | if (f == x_focus_frame) | |
f676886a | 2617 | x_new_focus_frame (0); |
dc6f92b8 JB |
2618 | } |
2619 | break; | |
2620 | ||
2621 | case FocusOut: | |
f676886a | 2622 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
2623 | if (event.xfocus.detail != NotifyPointer |
2624 | && f == x_focus_event_frame) | |
2625 | x_focus_event_frame = 0; | |
f676886a JB |
2626 | if (f && f == x_focus_frame) |
2627 | x_new_focus_frame (0); | |
dc6f92b8 JB |
2628 | break; |
2629 | ||
c118dd06 | 2630 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2631 | |
2632 | case EnterWindow: | |
2633 | if ((event.detail & 0xFF) == 1) | |
2634 | break; /* Coming from our own subwindow */ | |
2635 | if (event.subwindow != 0) | |
2636 | break; /* Entering our own subwindow. */ | |
2637 | ||
2638 | { | |
f676886a JB |
2639 | f = x_window_to_frame (event.window); |
2640 | x_mouse_frame = f; | |
dc6f92b8 | 2641 | |
f676886a | 2642 | x_new_focus_frame (f); |
dc6f92b8 JB |
2643 | } |
2644 | break; | |
2645 | ||
2646 | case LeaveWindow: | |
2647 | if ((event.detail & 0xFF) == 1) | |
2648 | break; /* Entering our own subwindow */ | |
2649 | if (event.subwindow != 0) | |
2650 | break; /* Leaving our own subwindow. */ | |
2651 | ||
f676886a JB |
2652 | x_mouse_frame = 0; |
2653 | if (x_focus_frame == 0 | |
2654 | && x_input_frame != 0 | |
2655 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 2656 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 2657 | { |
f676886a JB |
2658 | f = x_input_frame; |
2659 | x_input_frame = 0; | |
2660 | if (f) | |
2661 | frame_unhighlight (f); | |
dc6f92b8 JB |
2662 | } |
2663 | break; | |
c118dd06 | 2664 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2665 | |
2666 | #ifdef HAVE_X11 | |
2667 | case MotionNotify: | |
2668 | { | |
f676886a JB |
2669 | f = x_window_to_frame (event.xmotion.window); |
2670 | if (f) | |
2671 | note_mouse_position (f, &event.xmotion); | |
f451eb13 | 2672 | else |
dc6f92b8 | 2673 | { |
f451eb13 JB |
2674 | struct scrollbar *bar = |
2675 | x_window_to_scrollbar (event.xmotion.window); | |
2676 | ||
2677 | if (bar) | |
2678 | x_scrollbar_handle_motion (bar, &event); | |
dc6f92b8 | 2679 | } |
dc6f92b8 JB |
2680 | } |
2681 | break; | |
2682 | ||
2683 | case ConfigureNotify: | |
2684 | { | |
2685 | int rows, columns; | |
f676886a JB |
2686 | f = x_window_to_frame (event.xconfigure.window); |
2687 | if (!f) | |
dc6f92b8 JB |
2688 | break; |
2689 | ||
f451eb13 JB |
2690 | columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); |
2691 | rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
dc6f92b8 | 2692 | |
90e65f07 JB |
2693 | /* Even if the number of character rows and columns has |
2694 | not changed, the font size may have changed, so we need | |
2695 | to check the pixel dimensions as well. */ | |
f676886a JB |
2696 | if (columns != f->width |
2697 | || rows != f->height | |
2698 | || event.xconfigure.width != f->display.x->pixel_width | |
2699 | || event.xconfigure.height != f->display.x->pixel_height) | |
dc6f92b8 | 2700 | { |
b1c884c3 | 2701 | change_frame_size (f, rows, columns, 0, 1); |
f676886a | 2702 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2703 | } |
2704 | ||
f676886a JB |
2705 | f->display.x->pixel_width = event.xconfigure.width; |
2706 | f->display.x->pixel_height = event.xconfigure.height; | |
2707 | f->display.x->left_pos = event.xconfigure.x; | |
2708 | f->display.x->top_pos = event.xconfigure.y; | |
dc6f92b8 JB |
2709 | break; |
2710 | } | |
2711 | ||
2712 | case ButtonPress: | |
2713 | case ButtonRelease: | |
2714 | { | |
2715 | /* If we decide we want to generate an event to be seen | |
2716 | by the rest of Emacs, we put it here. */ | |
2717 | struct input_event emacs_event; | |
2718 | emacs_event.kind = no_event; | |
2719 | ||
f676886a JB |
2720 | f = x_window_to_frame (event.xbutton.window); |
2721 | if (f) | |
f451eb13 JB |
2722 | { |
2723 | if (!x_focus_frame || (f == x_focus_frame)) | |
2724 | construct_mouse_click (&emacs_event, | |
2725 | &event, f, Qnil, 0); | |
2726 | } | |
dc6f92b8 | 2727 | else |
f451eb13 JB |
2728 | { |
2729 | struct scrollbar *bar = | |
2730 | x_window_to_scrollbar (event.xbutton.window); | |
2731 | ||
2732 | if (bar) | |
2733 | x_scrollbar_handle_click (bar, &event, &emacs_event); | |
2734 | } | |
dc6f92b8 JB |
2735 | |
2736 | if (numchars >= 1 && emacs_event.kind != no_event) | |
2737 | { | |
2738 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
2739 | bufp++; | |
2740 | count++; | |
2741 | numchars--; | |
2742 | } | |
2743 | } | |
2744 | break; | |
2745 | ||
c118dd06 | 2746 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2747 | case ButtonPressed: |
2748 | case ButtonReleased: | |
f676886a JB |
2749 | f = x_window_to_frame (event.window); |
2750 | if (f) | |
dc6f92b8 | 2751 | { |
f676886a | 2752 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 2753 | { |
f676886a | 2754 | x_make_frame_visible (f); |
dc6f92b8 JB |
2755 | |
2756 | if (warp_mouse_on_deiconify) | |
c118dd06 | 2757 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
2758 | break; |
2759 | } | |
c118dd06 | 2760 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 2761 | { |
f676886a JB |
2762 | if (f->auto_raise) |
2763 | x_raise_frame (f); | |
dc6f92b8 JB |
2764 | } |
2765 | } | |
2766 | enqueue_event (&event, &x_mouse_queue); | |
2767 | if (numchars >= 2) | |
2768 | { | |
2769 | bufp->kind = ascii_keystroke; | |
2770 | bufp->code = (char) 'X' & 037; /* C-x */ | |
f676886a | 2771 | bufp->frame = f; |
90e65f07 | 2772 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
2773 | bufp++; |
2774 | ||
2775 | bufp->kind = ascii_keystroke; | |
2776 | bufp->code = (char) 0; /* C-@ */ | |
f676886a | 2777 | bufp->frame = f; |
90e65f07 | 2778 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
2779 | bufp++; |
2780 | ||
2781 | count += 2; | |
2782 | numchars -= 2; | |
2783 | } | |
2784 | break; | |
c118dd06 | 2785 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2786 | |
2787 | #ifdef HAVE_X11 | |
2788 | ||
2789 | case CirculateNotify: | |
2790 | break; | |
2791 | case CirculateRequest: | |
2792 | break; | |
2793 | ||
c118dd06 | 2794 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2795 | |
2796 | case MappingNotify: | |
11edeb03 JB |
2797 | /* Someone has changed the keyboard mapping - update the |
2798 | local cache. */ | |
2799 | switch (event.xmapping.request) | |
2800 | { | |
2801 | case MappingModifier: | |
2802 | x_find_modifier_meanings (); | |
2803 | /* This is meant to fall through. */ | |
2804 | case MappingKeyboard: | |
2805 | XRefreshKeyboardMapping (&event.xmapping); | |
2806 | } | |
dc6f92b8 JB |
2807 | break; |
2808 | ||
2809 | default: | |
2810 | break; | |
2811 | } | |
2812 | } | |
2813 | ||
2814 | #if 0 | |
2815 | #ifdef HAVE_SELECT | |
2816 | if (expected && ! event_found) | |
2817 | { | |
2818 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
2819 | there is an EOF condition; in other words, that X has died. | |
2820 | Act as if there had been a hangup. */ | |
2821 | ||
2822 | int fd = ConnectionNumber (x_current_display); | |
2823 | int mask = 1 << fd; | |
2824 | ||
2825 | if (0 != select (fd + 1, &mask, (long *) 0, (long *) 0, | |
3a2712f9 | 2826 | (EMACS_TIME) 0) |
dc6f92b8 JB |
2827 | && !XStuffPending ()) |
2828 | kill (getpid (), SIGHUP); | |
2829 | } | |
c118dd06 JB |
2830 | #endif /* ! defined (HAVE_SELECT) */ |
2831 | #endif /* ! 0 */ | |
dc6f92b8 | 2832 | |
f451eb13 | 2833 | #ifndef HAVE_X11 |
f676886a | 2834 | if (updating_frame == 0) |
dc6f92b8 | 2835 | x_do_pending_expose (); |
f451eb13 | 2836 | #endif |
dc6f92b8 JB |
2837 | |
2838 | UNBLOCK_INPUT; | |
2839 | return count; | |
2840 | } | |
2841 | ||
2842 | #ifndef HAVE_X11 | |
2843 | /* Read and process only Expose events | |
2844 | until we get an ExposeCopy event; then return. | |
2845 | This is used in insert/delete line. | |
2846 | We assume input is already blocked. */ | |
2847 | ||
2848 | static void | |
2849 | x_read_exposes () | |
2850 | { | |
f676886a | 2851 | struct frame *f; |
dc6f92b8 JB |
2852 | XKeyPressedEvent event; |
2853 | ||
2854 | while (1) | |
2855 | { | |
2856 | /* while there are more events*/ | |
2857 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
2858 | switch (event.type) | |
2859 | { | |
2860 | case ExposeWindow: | |
2861 | if (event.subwindow != 0) | |
2862 | break; /* duplicate event */ | |
f676886a JB |
2863 | f = x_window_to_frame (event.window); |
2864 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2865 | { |
f676886a | 2866 | refreshicon (f); |
dc6f92b8 JB |
2867 | break; |
2868 | } | |
c118dd06 | 2869 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2870 | { |
2871 | expose_all_windows = 1; | |
f676886a | 2872 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2873 | break; |
2874 | } | |
2875 | break; | |
2876 | ||
2877 | case ExposeRegion: | |
2878 | if (event.subwindow != 0) | |
2879 | break; /* duplicate event */ | |
f676886a JB |
2880 | f = x_window_to_frame (event.window); |
2881 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2882 | { |
f676886a | 2883 | refreshicon (f); |
dc6f92b8 JB |
2884 | break; |
2885 | } | |
2886 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2887 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2888 | break; |
2889 | /* Put the event on the queue of rectangles to redraw. */ | |
2890 | if (enqueue_event (&event, &x_expose_queue)) | |
2891 | /* If it is full, we can't record the rectangle, | |
2892 | so redraw this entire window. */ | |
2893 | { | |
2894 | /* Say must check all windows' needs_exposure flags. */ | |
2895 | expose_all_windows = 1; | |
f676886a | 2896 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2897 | } |
2898 | break; | |
2899 | ||
2900 | case ExposeCopy: | |
2901 | return; | |
2902 | } | |
2903 | } | |
2904 | } | |
2905 | #endif /* HAVE_X11 */ | |
2906 | ||
dc6f92b8 | 2907 | \f |
f451eb13 JB |
2908 | /* Drawing the cursor. */ |
2909 | ||
2910 | ||
dc6f92b8 JB |
2911 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
2912 | ||
2913 | static void | |
f676886a JB |
2914 | x_draw_box (f) |
2915 | struct frame *f; | |
dc6f92b8 | 2916 | { |
f676886a JB |
2917 | int left = f->cursor_x * FONT_WIDTH (f->display.x->font) |
2918 | + f->display.x->internal_border_width; | |
2919 | int top = f->cursor_y * FONT_HEIGHT (f->display.x->font) | |
2920 | + f->display.x->internal_border_width; | |
2921 | int width = FONT_WIDTH (f->display.x->font); | |
2922 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
2923 | |
2924 | #ifdef HAVE_X11 | |
2925 | /* Perhaps we should subtract 1 from width and height... */ | |
c118dd06 | 2926 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 2927 | f->display.x->cursor_gc, |
dc6f92b8 | 2928 | left, top, width - 1, height - 1); |
c118dd06 JB |
2929 | #else /* ! defined (HAVE_X11) */ |
2930 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 2931 | left, top, width, 1, |
f676886a | 2932 | f->display.x->cursor_pixel); |
dc6f92b8 | 2933 | |
c118dd06 | 2934 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 2935 | left, top, 1, height, |
f676886a | 2936 | f->display.x->cursor_pixel); |
dc6f92b8 | 2937 | |
c118dd06 | 2938 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 2939 | left+width-1, top, 1, height, |
f676886a | 2940 | f->display.x->cursor_pixel); |
dc6f92b8 | 2941 | |
c118dd06 | 2942 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 2943 | left, top+height-1, width, 1, |
f676886a | 2944 | f->display.x->cursor_pixel); |
c118dd06 | 2945 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2946 | } |
2947 | ||
f676886a | 2948 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
2949 | and mark the cursor as not shown. |
2950 | This is used when the text where the cursor is | |
2951 | is about to be rewritten. */ | |
2952 | ||
2953 | static void | |
f676886a JB |
2954 | clear_cursor (f) |
2955 | struct frame *f; | |
dc6f92b8 JB |
2956 | { |
2957 | int mask; | |
2958 | ||
f451eb13 | 2959 | if (! FRAME_VISIBLE_P (f) |
f676886a | 2960 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
2961 | return; |
2962 | ||
2963 | #ifdef HAVE_X11 | |
f676886a | 2964 | x_display_cursor (f, 0); |
dc6f92b8 | 2965 | #if 0 |
c118dd06 | 2966 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
f676886a JB |
2967 | f->phys_cursor_x * FONT_WIDTH (f->display.x->font) |
2968 | + f->display.x->internal_border_width, | |
2969 | f->phys_cursor_y * FONT_HEIGHT (f->display.x->font) | |
2970 | + f->display.x->internal_border_width, | |
2971 | FONT_WIDTH (f->display.x->font) + 1, FONT_HEIGHT (f->display.x->font) + 1, False); | |
c118dd06 JB |
2972 | #endif /* ! 0 */ |
2973 | #else /* ! defined (HAVE_X11) */ | |
2974 | XPixSet (FRAME_X_WINDOW (f), | |
f676886a JB |
2975 | f->phys_cursor_x * FONT_WIDTH (f->display.x->font) + f->display.x->internal_border_width, |
2976 | f->phys_cursor_y * FONT_HEIGHT (f->display.x->font) + f->display.x->internal_border_width, | |
2977 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), | |
2978 | f->display.x->background_pixel); | |
c118dd06 | 2979 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 2980 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
2981 | } |
2982 | ||
90e65f07 | 2983 | static void |
f676886a JB |
2984 | x_display_bar_cursor (f, on) |
2985 | struct frame *f; | |
dc6f92b8 JB |
2986 | int on; |
2987 | { | |
f676886a JB |
2988 | register int phys_x = f->phys_cursor_x; |
2989 | register int phys_y = f->phys_cursor_y; | |
dc6f92b8 JB |
2990 | register int x1; |
2991 | register int y1; | |
2992 | register int y2; | |
2993 | ||
f451eb13 | 2994 | if (! FRAME_VISIBLE_P (f) || (! on && f->phys_cursor_x < 0)) |
dc6f92b8 JB |
2995 | return; |
2996 | ||
2997 | #ifdef HAVE_X11 | |
2998 | if (phys_x >= 0 && | |
f676886a | 2999 | (!on || phys_x != f->cursor_x || phys_y != f->cursor_y)) |
dc6f92b8 | 3000 | { |
f676886a JB |
3001 | x1 = phys_x * FONT_WIDTH (f->display.x->font) |
3002 | + f->display.x->internal_border_width; | |
3003 | y1 = phys_y * FONT_HEIGHT (f->display.x->font) | |
3004 | + f->display.x->internal_border_width - 1; | |
3005 | y2 = y1 + FONT_HEIGHT (f->display.x->font) + 1; | |
dc6f92b8 | 3006 | |
c118dd06 | 3007 | XDrawLine (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3008 | f->display.x->reverse_gc, x1, y1, x1, y2); |
dc6f92b8 | 3009 | |
f676886a | 3010 | f->phys_cursor_x = phys_x = -1; |
dc6f92b8 JB |
3011 | } |
3012 | ||
f676886a | 3013 | if (on && f == x_highlight_frame) |
dc6f92b8 | 3014 | { |
f676886a JB |
3015 | x1 = f->cursor_x * FONT_WIDTH (f->display.x->font) |
3016 | + f->display.x->internal_border_width; | |
3017 | y1 = f->cursor_y * FONT_HEIGHT (f->display.x->font) | |
3018 | + f->display.x->internal_border_width - 1; | |
3019 | y2 = y1 + FONT_HEIGHT (f->display.x->font) + 1; | |
dc6f92b8 | 3020 | |
c118dd06 | 3021 | XDrawLine (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3022 | f->display.x->cursor_gc, x1, y1, x1, y2); |
dc6f92b8 | 3023 | |
f676886a JB |
3024 | f->phys_cursor_x = f->cursor_x; |
3025 | f->phys_cursor_y = f->cursor_y; | |
dc6f92b8 | 3026 | } |
c118dd06 | 3027 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3028 | Give it up, dude. |
c118dd06 | 3029 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3030 | } |
3031 | ||
3032 | ||
f676886a | 3033 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3034 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3035 | glyph drawn. */ | |
dc6f92b8 JB |
3036 | |
3037 | static void | |
f676886a JB |
3038 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3039 | struct frame *f; | |
dc6f92b8 | 3040 | int row, column; |
90e65f07 | 3041 | GLYPH glyph; |
dc6f92b8 JB |
3042 | int highlight; |
3043 | { | |
f676886a JB |
3044 | dumpglyphs (f, |
3045 | (column * FONT_WIDTH (f->display.x->font) | |
3046 | + f->display.x->internal_border_width), | |
3047 | (row * FONT_HEIGHT (f->display.x->font) | |
3048 | + f->display.x->internal_border_width), | |
3049 | &glyph, 1, highlight, f->display.x->font); | |
dc6f92b8 JB |
3050 | } |
3051 | ||
f676886a | 3052 | /* Turn the displayed cursor of frame F on or off according to ON. |
dc6f92b8 | 3053 | If ON is nonzero, where to put the cursor is specified |
f676886a | 3054 | by F->cursor_x and F->cursor_y. */ |
dc6f92b8 JB |
3055 | |
3056 | static void | |
f676886a JB |
3057 | x_display_box_cursor (f, on) |
3058 | struct frame *f; | |
dc6f92b8 JB |
3059 | int on; |
3060 | { | |
f676886a | 3061 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3062 | |
f676886a | 3063 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3064 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3065 | if (f != updating_frame) |
1113d9db | 3066 | { |
f676886a JB |
3067 | curs_x = FRAME_CURSOR_X (f); |
3068 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3069 | } |
3070 | ||
f451eb13 | 3071 | if (! FRAME_VISIBLE_P (f)) |
dc6f92b8 JB |
3072 | return; |
3073 | ||
3074 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3075 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3076 | return; |
3077 | ||
3078 | /* If cursor is currently being shown and we don't want it to be | |
3079 | or it is in the wrong place, | |
3080 | or we want a hollow box and it's not so, (pout!) | |
3081 | erase it. */ | |
f676886a | 3082 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3083 | && (!on |
f676886a JB |
3084 | || f->phys_cursor_x != curs_x |
3085 | || f->phys_cursor_y != curs_y | |
3086 | || (f->display.x->text_cursor_kind != hollow_box_cursor | |
3087 | && (f != x_highlight_frame)))) | |
dc6f92b8 JB |
3088 | { |
3089 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3090 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3091 | f->phys_cursor_glyph, | |
3092 | current_glyphs->highlight[f->phys_cursor_y]); | |
3093 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3094 | } |
3095 | ||
3096 | /* If we want to show a cursor, | |
3097 | or we want a box cursor and it's not so, | |
3098 | write it in the right place. */ | |
3099 | if (on | |
f676886a JB |
3100 | && (f->phys_cursor_x < 0 |
3101 | || (f->display.x->text_cursor_kind != filled_box_cursor | |
3102 | && f == x_highlight_frame))) | |
dc6f92b8 | 3103 | { |
f676886a | 3104 | f->phys_cursor_glyph |
1113d9db JB |
3105 | = ((current_glyphs->enable[curs_y] |
3106 | && curs_x < current_glyphs->used[curs_y]) | |
3107 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3108 | : SPACEGLYPH); |
f676886a | 3109 | if (f != x_highlight_frame) |
dc6f92b8 | 3110 | { |
f676886a JB |
3111 | x_draw_box (f); |
3112 | f->display.x->text_cursor_kind = hollow_box_cursor; | |
dc6f92b8 JB |
3113 | } |
3114 | else | |
3115 | { | |
f676886a JB |
3116 | x_draw_single_glyph (f, curs_y, curs_x, |
3117 | f->phys_cursor_glyph, 2); | |
3118 | f->display.x->text_cursor_kind = filled_box_cursor; | |
dc6f92b8 JB |
3119 | } |
3120 | ||
f676886a JB |
3121 | f->phys_cursor_x = curs_x; |
3122 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3123 | } |
3124 | ||
f676886a | 3125 | if (updating_frame != f) |
dc6f92b8 JB |
3126 | XFlushQueue (); |
3127 | } | |
3128 | ||
dc6f92b8 JB |
3129 | extern Lisp_Object Vbar_cursor; |
3130 | ||
f676886a JB |
3131 | x_display_cursor (f, on) |
3132 | struct frame *f; | |
dc6f92b8 JB |
3133 | int on; |
3134 | { | |
3135 | if (EQ (Vbar_cursor, Qnil)) | |
f676886a | 3136 | x_display_box_cursor (f, on); |
dc6f92b8 | 3137 | else |
f676886a | 3138 | x_display_bar_cursor (f, on); |
dc6f92b8 JB |
3139 | } |
3140 | \f | |
3141 | /* Icons. */ | |
3142 | ||
f676886a | 3143 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3144 | when we get an expose event for it. */ |
3145 | ||
f676886a JB |
3146 | refreshicon (f) |
3147 | struct frame *f; | |
dc6f92b8 JB |
3148 | { |
3149 | #ifdef HAVE_X11 | |
3150 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3151 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3152 | int mask; |
3153 | ||
f676886a JB |
3154 | if (f->display.x->icon_bitmap_flag) |
3155 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3156 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3157 | icon_bitmap, GXcopy, AllPlanes); | |
3158 | else | |
3159 | { | |
f676886a | 3160 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3161 | struct Lisp_String *str; |
3162 | unsigned char *string; | |
3163 | ||
3164 | string | |
f676886a | 3165 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3166 | |
f676886a | 3167 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3168 | { |
f676886a JB |
3169 | f->display.x->icon_label = string; |
3170 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3171 | XQueryWidth (string, icon_font_info->id) + 10, |
3172 | icon_font_info->height + 10); | |
3173 | } | |
3174 | ||
f676886a | 3175 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3176 | str->size, icon_font_info->id, |
3177 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3178 | } | |
3179 | XFlushQueue (); | |
c118dd06 | 3180 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3181 | } |
3182 | ||
f676886a | 3183 | /* Make the x-window of frame F use the kitchen-sink icon |
dc6f92b8 JB |
3184 | that's a window generated by Emacs. */ |
3185 | ||
3186 | int | |
f676886a JB |
3187 | x_bitmap_icon (f) |
3188 | struct frame *f; | |
dc6f92b8 JB |
3189 | { |
3190 | int mask; | |
3191 | Window icon_window; | |
3192 | ||
c118dd06 | 3193 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3194 | return 1; |
3195 | ||
3196 | #ifdef HAVE_X11 | |
3197 | if (icon_bitmap) | |
3198 | XFreePixmap (x_current_display, icon_bitmap); | |
3199 | ||
3200 | icon_bitmap = | |
c118dd06 | 3201 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3202 | gnu_bits, gnu_width, gnu_height); |
f676886a JB |
3203 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3204 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3205 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3206 | if (f->display.x->icon_desc) |
dc6f92b8 | 3207 | { |
c118dd06 | 3208 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3209 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3210 | } |
3211 | ||
f676886a | 3212 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3213 | 0, 0, sink_width, sink_height, |
3214 | 2, WhitePixmap, (Pixmap) NULL); | |
3215 | ||
3216 | if (icon_window == 0) | |
3217 | return 1; | |
3218 | ||
c118dd06 | 3219 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3220 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3221 | ||
f676886a JB |
3222 | f->display.x->icon_desc = icon_window; |
3223 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3224 | |
3225 | if (icon_bitmap == 0) | |
3226 | icon_bitmap | |
3227 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3228 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3229 | |
3230 | return 0; | |
3231 | } | |
3232 | ||
3233 | ||
f676886a | 3234 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3235 | |
3236 | int | |
f676886a JB |
3237 | x_text_icon (f, icon_name) |
3238 | struct frame *f; | |
dc6f92b8 JB |
3239 | char *icon_name; |
3240 | { | |
3241 | #ifndef HAVE_X11 | |
3242 | int mask; | |
3243 | int width; | |
3244 | Window icon_window; | |
3245 | char *X_DefaultValue; | |
3246 | Bitmap b1; | |
3247 | ||
dc6f92b8 JB |
3248 | #ifndef WhitePixel |
3249 | #define WhitePixel 1 | |
c118dd06 | 3250 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3251 | |
3252 | #ifndef BlackPixel | |
3253 | #define BlackPixel 0 | |
c118dd06 JB |
3254 | #endif /* BlackPixel */ |
3255 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3256 | |
c118dd06 | 3257 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3258 | return 1; |
3259 | ||
3260 | if (icon_font_info == 0) | |
3261 | icon_font_info | |
55123275 JB |
3262 | = XGetFont (XGetDefault (XDISPLAY |
3263 | (char *) XSTRING (invocation_name)->data, | |
3264 | "BodyFont")); | |
dc6f92b8 JB |
3265 | |
3266 | #ifdef HAVE_X11 | |
3267 | if (icon_name) | |
f676886a | 3268 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3269 | else |
f676886a JB |
3270 | if (! f->display.x->icon_label) |
3271 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3272 | |
c118dd06 | 3273 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3274 | (char *) f->display.x->icon_label); |
dc6f92b8 | 3275 | |
f676886a | 3276 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3277 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3278 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3279 | if (f->display.x->icon_desc) |
dc6f92b8 | 3280 | { |
c118dd06 | 3281 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3282 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3283 | } |
3284 | ||
3285 | if (icon_name) | |
f676886a | 3286 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3287 | else |
f676886a JB |
3288 | if (! f->display.x->icon_label) |
3289 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3290 | |
f676886a JB |
3291 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3292 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3293 | f->display.x->left_pos, | |
3294 | f->display.x->top_pos, | |
dc6f92b8 JB |
3295 | width + 10, icon_font_info->height + 10, |
3296 | 2, BlackPixmap, WhitePixmap); | |
3297 | ||
3298 | if (icon_window == 0) | |
3299 | return 1; | |
3300 | ||
c118dd06 | 3301 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3302 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3303 | ||
f676886a JB |
3304 | f->display.x->icon_desc = icon_window; |
3305 | f->display.x->icon_bitmap_flag = 0; | |
3306 | f->display.x->icon_label = 0; | |
c118dd06 | 3307 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3308 | |
3309 | return 0; | |
3310 | } | |
3311 | \f | |
4746118a JB |
3312 | /* Handling X errors. */ |
3313 | ||
3314 | /* A handler for SIGPIPE, when it occurs on the X server's connection. | |
c118dd06 | 3315 | This basically does an orderly shutdown of Emacs. */ |
16bd92ea | 3316 | |
4746118a | 3317 | static SIGTYPE |
c118dd06 | 3318 | x_connection_closed () |
4746118a JB |
3319 | { |
3320 | if (_Xdebug) | |
3321 | abort (); | |
3322 | else | |
3323 | Fkill_emacs (make_number (70)); | |
3324 | } | |
3325 | ||
c118dd06 JB |
3326 | /* An X error handler which prints an error message and then kills Emacs. |
3327 | This is what's normally installed as Xlib's handler for protocol and | |
3328 | I/O errors. */ | |
3329 | static int | |
3330 | x_error_quitter (display, error) | |
3331 | Display *display; | |
3332 | XErrorEvent *error; | |
3333 | { | |
3334 | char buf[256]; | |
dc6f92b8 | 3335 | |
f451eb13 JB |
3336 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3337 | get an X error, so we can figure out why it happened. */ | |
3338 | abort (); | |
3339 | ||
c118dd06 JB |
3340 | /* Note that there is no real way portable across R3/R4 to get the |
3341 | original error handler. */ | |
dc6f92b8 | 3342 | |
c118dd06 JB |
3343 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3344 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3345 | buf, error->request_code); | |
dc6f92b8 | 3346 | |
c118dd06 | 3347 | x_connection_closed (); |
dc6f92b8 JB |
3348 | } |
3349 | ||
c118dd06 JB |
3350 | /* A buffer for storing X error messages. */ |
3351 | static char (*x_caught_error_message)[200]; | |
3352 | ||
3353 | /* An X error handler which stores the error message in | |
3354 | x_caught_error_message. This is what's installed when | |
3355 | x_catch_errors is in effect. */ | |
3356 | static int | |
3357 | x_error_catcher (display, error) | |
3358 | Display *display; | |
3359 | XErrorEvent *error; | |
3360 | { | |
3361 | XGetErrorText (display, error->error_code, | |
3362 | *x_caught_error_message, sizeof (*x_caught_error_message)); | |
3363 | } | |
3364 | ||
3365 | ||
3366 | /* Begin trapping X errors. | |
dc6f92b8 | 3367 | |
c118dd06 JB |
3368 | After calling this function, X protocol errors no longer cause |
3369 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 3370 | |
c118dd06 JB |
3371 | Calling x_check_errors signals an Emacs error if an X error has |
3372 | occurred since the last call to x_catch_errors or x_check_errors. | |
3373 | ||
3374 | Calling x_uncatch_errors resumes the normal error handling. */ | |
3375 | ||
3376 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
3377 | ||
3378 | void | |
3379 | x_catch_errors () | |
dc6f92b8 | 3380 | { |
c118dd06 JB |
3381 | /* Make sure any errors from previous requests have been dealt with. */ |
3382 | XSync (x_current_display, False); | |
dc6f92b8 | 3383 | |
c118dd06 JB |
3384 | /* Set up the error buffer. */ |
3385 | x_caught_error_message = | |
3386 | (char (*)[]) xmalloc (sizeof (*x_caught_error_message)); | |
d872b748 | 3387 | (*x_caught_error_message)[0] = '\0'; |
16bd92ea | 3388 | |
c118dd06 JB |
3389 | /* Install our little error handler. */ |
3390 | XHandleError (x_error_catcher); | |
3391 | } | |
16bd92ea | 3392 | |
c118dd06 JB |
3393 | /* If any X protocol errors have arrived since the last call to |
3394 | x_catch_errors or x_check_errors, signal an Emacs error using | |
3395 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
3396 | void | |
3397 | x_check_errors (format) | |
3398 | char *format; | |
3399 | { | |
3400 | /* Make sure to catch any errors incurred so far. */ | |
3401 | XSync (x_current_display, False); | |
16bd92ea | 3402 | |
c118dd06 JB |
3403 | if ((*x_caught_error_message)[0]) |
3404 | { | |
3405 | char buf[256]; | |
3406 | ||
3407 | sprintf (buf, format, *x_caught_error_message); | |
3408 | free (x_caught_error_message); | |
dc6f92b8 | 3409 | |
c118dd06 JB |
3410 | x_uncatch_errors (); |
3411 | error (buf); | |
3412 | } | |
3413 | } | |
3414 | ||
3415 | void | |
3416 | x_uncatch_errors () | |
3417 | { | |
3418 | free (x_caught_error_message); | |
3419 | XHandleError (x_error_quitter); | |
dc6f92b8 JB |
3420 | } |
3421 | ||
dc6f92b8 JB |
3422 | #if 0 |
3423 | static unsigned int x_wire_count; | |
3424 | x_trace_wire () | |
3425 | { | |
3426 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
3427 | } | |
c118dd06 | 3428 | #endif /* ! 0 */ |
dc6f92b8 JB |
3429 | |
3430 | \f | |
f451eb13 JB |
3431 | /* Changing the font of the frame. */ |
3432 | ||
f676886a | 3433 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 3434 | to the font named NEWNAME. This is safe to use |
f676886a | 3435 | even before F has an actual x-window. */ |
dc6f92b8 JB |
3436 | |
3437 | #ifdef HAVE_X11 | |
3438 | ||
3439 | /* A table of all the fonts we have already loaded. */ | |
3440 | static XFontStruct **x_font_table; | |
3441 | ||
3442 | /* The current capacity of x_font_table. */ | |
3443 | static int x_font_table_size; | |
3444 | ||
3445 | /* The number of fonts actually stored in x_font_table. | |
3446 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
3447 | 0 <= n_fonts <= x_font_table_size. */ | |
3448 | static int n_fonts; | |
3449 | ||
f676886a JB |
3450 | x_new_font (f, fontname) |
3451 | struct frame *f; | |
dc6f92b8 JB |
3452 | register char *fontname; |
3453 | { | |
3454 | XFontStruct *temp; | |
3455 | int already_loaded; | |
3456 | int n_matching_fonts; | |
3457 | XFontStruct *font_info; | |
3458 | char **font_names; | |
3459 | ||
3460 | /* Get a list of all the fonts that match this name. Once we | |
3461 | have a list of matching fonts, we compare them against the fonts | |
3462 | we already have by comparing font ids. */ | |
3463 | font_names = (char **) XListFontsWithInfo (x_current_display, fontname, | |
3464 | 1024, &n_matching_fonts, | |
3465 | &font_info); | |
3466 | /* If the server couldn't find any fonts whose named matched fontname, | |
3467 | return an error code. */ | |
3468 | if (n_matching_fonts == 0) | |
3469 | return 1; | |
3470 | ||
90e65f07 | 3471 | /* See if we've already loaded a matching font. */ |
dc6f92b8 JB |
3472 | { |
3473 | int i, j; | |
3474 | ||
3475 | already_loaded = 0; | |
3476 | for (i = 0; i < n_fonts; i++) | |
3477 | for (j = 0; j < n_matching_fonts; j++) | |
3478 | if (x_font_table[i]->fid == font_info[j].fid) | |
3479 | { | |
3480 | already_loaded = i; | |
3481 | goto found_font; | |
3482 | } | |
3483 | } | |
3484 | found_font: | |
3485 | ||
3486 | /* If we have, just return it from the table. */ | |
3487 | if (already_loaded) | |
f676886a | 3488 | f->display.x->font = x_font_table[already_loaded]; |
90e65f07 | 3489 | |
dc6f92b8 JB |
3490 | /* Otherwise, load the font and add it to the table. */ |
3491 | else | |
3492 | { | |
3493 | XFontStruct *font; | |
3494 | ||
3495 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); | |
3496 | if (! font) | |
3497 | return 1; | |
3498 | ||
3499 | /* Do we need to create the table? */ | |
3500 | if (x_font_table_size == 0) | |
3501 | { | |
3502 | x_font_table_size = 16; | |
3503 | x_font_table | |
3504 | = (XFontStruct **) xmalloc (x_font_table_size | |
3505 | * sizeof (x_font_table[0])); | |
3506 | } | |
3507 | /* Do we need to grow the table? */ | |
3508 | else if (n_fonts >= x_font_table_size) | |
3509 | { | |
90e65f07 | 3510 | x_font_table_size *= 2; |
dc6f92b8 JB |
3511 | x_font_table |
3512 | = (XFontStruct **) xrealloc (x_font_table, | |
3513 | (x_font_table_size | |
3514 | * sizeof (x_font_table[0]))); | |
3515 | } | |
3516 | ||
f676886a | 3517 | f->display.x->font = x_font_table[n_fonts++] = font; |
dc6f92b8 JB |
3518 | } |
3519 | ||
3520 | /* Free the information from XListFontsWithInfo. The data | |
3521 | we actually retain comes from XLoadQueryFont. */ | |
3522 | XFreeFontInfo (font_names, font_info, n_matching_fonts); | |
3523 | ||
f676886a | 3524 | /* Now make the frame display the given font. */ |
c118dd06 | 3525 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 3526 | { |
f676886a JB |
3527 | XSetFont (x_current_display, f->display.x->normal_gc, |
3528 | f->display.x->font->fid); | |
3529 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
3530 | f->display.x->font->fid); | |
3531 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
3532 | f->display.x->font->fid); | |
3533 | ||
3534 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
3535 | } |
3536 | ||
3537 | return 0; | |
3538 | } | |
c118dd06 | 3539 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
3540 | x_new_font (f, newname) |
3541 | struct frame *f; | |
dc6f92b8 JB |
3542 | register char *newname; |
3543 | { | |
3544 | FONT_TYPE *temp; | |
3545 | int mask; | |
3546 | ||
3547 | temp = XGetFont (newname); | |
3548 | if (temp == (FONT_TYPE *) 0) | |
3549 | return 1; | |
3550 | ||
f676886a JB |
3551 | if (f->display.x->font) |
3552 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 3553 | |
f676886a | 3554 | f->display.x->font = temp; |
dc6f92b8 | 3555 | |
c118dd06 | 3556 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 3557 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
3558 | |
3559 | return 0; | |
3560 | } | |
c118dd06 | 3561 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3562 | \f |
f451eb13 JB |
3563 | /* X Window sizes and positions. */ |
3564 | ||
f676886a JB |
3565 | x_calc_absolute_position (f) |
3566 | struct frame *f; | |
dc6f92b8 JB |
3567 | { |
3568 | #ifdef HAVE_X11 | |
f676886a JB |
3569 | if (f->display.x->left_pos < 0) |
3570 | f->display.x->left_pos | |
7c5283e4 | 3571 | = x_screen_width - PIXEL_WIDTH (f) + f->display.x->left_pos; |
dc6f92b8 | 3572 | |
f676886a JB |
3573 | if (f->display.x->top_pos < 0) |
3574 | f->display.x->top_pos | |
7c5283e4 | 3575 | = x_screen_height - PIXEL_HEIGHT (f) + f->display.x->top_pos; |
c118dd06 | 3576 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3577 | WINDOWINFO_TYPE parentinfo; |
3578 | ||
c118dd06 | 3579 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 3580 | |
f676886a JB |
3581 | if (f->display.x->left_pos < 0) |
3582 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
3583 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 3584 | |
f676886a JB |
3585 | if (f->display.x->top_pos < 0) |
3586 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
3587 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 3588 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3589 | } |
3590 | ||
f676886a JB |
3591 | x_set_offset (f, xoff, yoff) |
3592 | struct frame *f; | |
dc6f92b8 JB |
3593 | register int xoff, yoff; |
3594 | { | |
f676886a JB |
3595 | f->display.x->top_pos = yoff; |
3596 | f->display.x->left_pos = xoff; | |
3597 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
3598 | |
3599 | BLOCK_INPUT; | |
c118dd06 | 3600 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 3601 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 3602 | #ifdef HAVE_X11 |
f676886a | 3603 | x_wm_set_size_hint (f, 0); |
c118dd06 | 3604 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3605 | UNBLOCK_INPUT; |
3606 | } | |
3607 | ||
f676886a | 3608 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 3609 | |
f676886a JB |
3610 | x_set_window_size (f, cols, rows) |
3611 | struct frame *f; | |
b1c884c3 | 3612 | int cols, rows; |
dc6f92b8 JB |
3613 | { |
3614 | int pixelwidth, pixelheight; | |
3615 | int mask; | |
f676886a | 3616 | int ibw = f->display.x->internal_border_width; |
dc6f92b8 JB |
3617 | |
3618 | BLOCK_INPUT; | |
3619 | ||
b1c884c3 | 3620 | check_frame_size (f, &rows, &cols); |
f451eb13 JB |
3621 | f->display.x->vertical_scrollbar_extra = |
3622 | (FRAME_HAS_VERTICAL_SCROLLBARS (f) | |
3623 | ? VERTICAL_SCROLLBAR_PIXEL_WIDTH (f) | |
3624 | : 0); | |
3625 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); | |
3626 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
3627 | |
3628 | #ifdef HAVE_X11 | |
f676886a | 3629 | x_wm_set_size_hint (f, 0); |
c118dd06 JB |
3630 | #endif /* ! defined (HAVE_X11) */ |
3631 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
3632 | |
3633 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
3634 | but the window manager will get around to dealing with the size | |
3635 | change request eventually, and we'll hear how it went when the | |
3636 | ConfigureNotify event gets here. */ | |
3637 | FRAME_WIDTH (f) = cols; | |
3638 | FRAME_WIDTH (f) = rows; | |
3639 | PIXEL_WIDTH (f) = pixelwidth; | |
3640 | PIXEL_HEIGHT (f) = pixelheight; | |
3641 | ||
dc6f92b8 JB |
3642 | XFlushQueue (); |
3643 | UNBLOCK_INPUT; | |
3644 | } | |
3645 | ||
3646 | #ifndef HAVE_X11 | |
f676886a JB |
3647 | x_set_resize_hint (f) |
3648 | struct frame *f; | |
dc6f92b8 JB |
3649 | { |
3650 | ||
c118dd06 | 3651 | XSetResizeHint (FRAME_X_WINDOW (f), 2 * f->display.x->internal_border_width, |
f676886a JB |
3652 | 2 * f->display.x->internal_border_width, |
3653 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 3654 | } |
c118dd06 | 3655 | #endif /* HAVE_X11 */ |
dc6f92b8 | 3656 | \f |
f451eb13 | 3657 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 3658 | |
f676886a JB |
3659 | x_set_mouse_position (f, x, y) |
3660 | struct frame *f; | |
dc6f92b8 JB |
3661 | int x, y; |
3662 | { | |
3663 | int pix_x, pix_y; | |
3664 | ||
f676886a | 3665 | x_raise_frame (f); |
dc6f92b8 | 3666 | |
f451eb13 JB |
3667 | pix_x = (f->display.x->internal_border_width |
3668 | + x * FONT_WIDTH (f->display.x->font) | |
3669 | + FONT_WIDTH (f->display.x->font) / 2); | |
3670 | pix_y = (f->display.x->internal_border_width | |
3671 | + y * FONT_HEIGHT (f->display.x->font) | |
3672 | + FONT_HEIGHT (f->display.x->font) / 2); | |
3673 | ||
3674 | if (pix_x < 0) pix_x = 0; | |
3675 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
3676 | ||
3677 | if (pix_y < 0) pix_y = 0; | |
3678 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
3679 | |
3680 | BLOCK_INPUT; | |
dc6f92b8 | 3681 | |
c118dd06 | 3682 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
3683 | UNBLOCK_INPUT; |
3684 | } | |
3685 | ||
3686 | #ifdef HAVE_X11 | |
f676886a JB |
3687 | x_focus_on_frame (f) |
3688 | struct frame *f; | |
dc6f92b8 | 3689 | { |
f676886a | 3690 | x_raise_frame (f); |
6d4238f3 JB |
3691 | #if 0 |
3692 | /* I don't think that the ICCCM allows programs to do things like this | |
3693 | without the interaction of the window manager. Whatever you end up | |
f676886a | 3694 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 3695 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 3696 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 3697 | #endif /* ! 0 */ |
dc6f92b8 JB |
3698 | } |
3699 | ||
f676886a JB |
3700 | x_unfocus_frame (f) |
3701 | struct frame *f; | |
dc6f92b8 | 3702 | { |
6d4238f3 | 3703 | #if 0 |
f676886a JB |
3704 | /* Look at the remarks in x_focus_on_frame. */ |
3705 | if (x_focus_frame == f) | |
dc6f92b8 JB |
3706 | XSetInputFocus (x_current_display, PointerRoot, |
3707 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 3708 | #endif /* ! 0 */ |
dc6f92b8 JB |
3709 | } |
3710 | ||
c118dd06 | 3711 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3712 | |
f676886a | 3713 | /* Raise frame F. */ |
dc6f92b8 | 3714 | |
f676886a JB |
3715 | x_raise_frame (f) |
3716 | struct frame *f; | |
dc6f92b8 | 3717 | { |
3a88c238 | 3718 | if (f->async_visible) |
dc6f92b8 JB |
3719 | { |
3720 | BLOCK_INPUT; | |
c118dd06 | 3721 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
3722 | XFlushQueue (); |
3723 | UNBLOCK_INPUT; | |
3724 | } | |
3725 | } | |
3726 | ||
f676886a | 3727 | /* Lower frame F. */ |
dc6f92b8 | 3728 | |
f676886a JB |
3729 | x_lower_frame (f) |
3730 | struct frame *f; | |
dc6f92b8 | 3731 | { |
3a88c238 | 3732 | if (f->async_visible) |
dc6f92b8 JB |
3733 | { |
3734 | BLOCK_INPUT; | |
c118dd06 | 3735 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
3736 | XFlushQueue (); |
3737 | UNBLOCK_INPUT; | |
3738 | } | |
3739 | } | |
3740 | ||
3741 | /* Change from withdrawn state to mapped state. */ | |
3742 | ||
f676886a JB |
3743 | x_make_frame_visible (f) |
3744 | struct frame *f; | |
dc6f92b8 JB |
3745 | { |
3746 | int mask; | |
3747 | ||
dc6f92b8 | 3748 | BLOCK_INPUT; |
dc6f92b8 | 3749 | |
f676886a | 3750 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
3751 | { |
3752 | #ifdef HAVE_X11 | |
3753 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 3754 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 3755 | |
c118dd06 | 3756 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f451eb13 | 3757 | if (FRAME_HAS_VERTICAL_SCROLLBARS (f)) |
c118dd06 JB |
3758 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
3759 | #else /* ! defined (HAVE_X11) */ | |
3760 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
3761 | if (f->display.x->icon_desc != 0) |
3762 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 3763 | |
90e65f07 | 3764 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
3765 | f->async_visible = 1; |
3766 | f->async_iconified = 0; | |
dc6f92b8 | 3767 | |
f676886a | 3768 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 3769 | XTcursor_to (0, 0); |
c118dd06 | 3770 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 3771 | } |
dc6f92b8 | 3772 | |
dc6f92b8 | 3773 | XFlushQueue (); |
90e65f07 | 3774 | |
dc6f92b8 JB |
3775 | UNBLOCK_INPUT; |
3776 | } | |
3777 | ||
3778 | /* Change from mapped state to withdrawn state. */ | |
3779 | ||
f676886a JB |
3780 | x_make_frame_invisible (f) |
3781 | struct frame *f; | |
dc6f92b8 JB |
3782 | { |
3783 | int mask; | |
3784 | ||
3a88c238 | 3785 | if (! f->async_visible) |
dc6f92b8 JB |
3786 | return; |
3787 | ||
3788 | BLOCK_INPUT; | |
c118dd06 JB |
3789 | |
3790 | #ifdef HAVE_X11R4 | |
3791 | ||
3792 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
3793 | DefaultScreen (x_current_display))) | |
3794 | { | |
3795 | UNBLOCK_INPUT_RESIGNAL; | |
3796 | error ("can't notify window manager of window withdrawl"); | |
3797 | } | |
3798 | ||
3799 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 3800 | #ifdef HAVE_X11 |
16bd92ea | 3801 | |
c118dd06 | 3802 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
3803 | if (! EQ (Vx_no_window_manager, Qt)) |
3804 | { | |
16bd92ea | 3805 | XEvent unmap; |
dc6f92b8 | 3806 | |
16bd92ea | 3807 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 3808 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
3809 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
3810 | unmap.xunmap.from_configure = False; | |
3811 | if (! XSendEvent (x_current_display, | |
3812 | DefaultRootWindow (x_current_display), | |
3813 | False, | |
3814 | SubstructureRedirectMask|SubstructureNotifyMask, | |
3815 | &unmap)) | |
3816 | { | |
3817 | UNBLOCK_INPUT_RESIGNAL; | |
3818 | error ("can't notify window manager of withdrawal"); | |
3819 | } | |
dc6f92b8 JB |
3820 | } |
3821 | ||
16bd92ea | 3822 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
3823 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
3824 | ||
3825 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 3826 | |
c118dd06 | 3827 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 3828 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 3829 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
3830 | XUnmapWindow (f->display.x->icon_desc); |
3831 | ||
3832 | #endif /* ! defined (HAVE_X11) */ | |
3833 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
3834 | |
3835 | XFlushQueue (); | |
3836 | UNBLOCK_INPUT; | |
3837 | } | |
3838 | ||
16bd92ea | 3839 | /* Window manager communication. Created in Fx_open_connection. */ |
dc6f92b8 JB |
3840 | extern Atom Xatom_wm_change_state; |
3841 | ||
3842 | /* Change window state from mapped to iconified. */ | |
3843 | ||
f676886a JB |
3844 | x_iconify_frame (f) |
3845 | struct frame *f; | |
dc6f92b8 JB |
3846 | { |
3847 | int mask; | |
3848 | ||
3a88c238 | 3849 | if (f->async_iconified) |
dc6f92b8 JB |
3850 | return; |
3851 | ||
3852 | BLOCK_INPUT; | |
3853 | ||
3854 | #ifdef HAVE_X11 | |
16bd92ea JB |
3855 | /* Since we don't know which revision of X we're running, we'll use both |
3856 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
3857 | ||
3858 | /* X11R4: send a ClientMessage to the window manager using the | |
3859 | WM_CHANGE_STATE type. */ | |
3860 | { | |
3861 | XEvent message; | |
3862 | ||
c118dd06 | 3863 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
3864 | message.xclient.type = ClientMessage; |
3865 | message.xclient.message_type = Xatom_wm_change_state; | |
3866 | message.xclient.format = 32; | |
3867 | message.xclient.data.l[0] = IconicState; | |
3868 | ||
3869 | if (! XSendEvent (x_current_display, | |
3870 | DefaultRootWindow (x_current_display), | |
3871 | False, | |
3872 | SubstructureRedirectMask | SubstructureNotifyMask, | |
3873 | &message)) | |
dc6f92b8 JB |
3874 | { |
3875 | UNBLOCK_INPUT_RESIGNAL; | |
3876 | error ("Can't notify window manager of iconification."); | |
3877 | } | |
16bd92ea | 3878 | } |
dc6f92b8 | 3879 | |
16bd92ea JB |
3880 | /* X11R3: set the initial_state field of the window manager hints to |
3881 | IconicState. */ | |
3882 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 3883 | |
3a88c238 | 3884 | f->async_iconified = 1; |
c118dd06 JB |
3885 | #else /* ! defined (HAVE_X11) */ |
3886 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 3887 | |
3a88c238 | 3888 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 3889 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 3890 | { |
f676886a JB |
3891 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
3892 | refreshicon (f); | |
dc6f92b8 | 3893 | } |
c118dd06 | 3894 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3895 | |
3896 | XFlushQueue (); | |
3897 | UNBLOCK_INPUT; | |
3898 | } | |
3899 | ||
f676886a JB |
3900 | /* Destroy the X window of frame F. |
3901 | DISPL is the former f->display (since f->display | |
dc6f92b8 JB |
3902 | has already been nulled out). */ |
3903 | ||
f676886a JB |
3904 | x_destroy_window (f, displ) |
3905 | struct frame *f; | |
dc6f92b8 JB |
3906 | union display displ; |
3907 | { | |
3908 | int mask; | |
3909 | ||
3910 | BLOCK_INPUT; | |
3911 | if (displ.x->icon_desc != 0) | |
3912 | XDestroyWindow (XDISPLAY displ.x->icon_desc); | |
3913 | XDestroyWindow (XDISPLAY displ.x->window_desc); | |
3914 | XFlushQueue (); | |
3915 | UNBLOCK_INPUT; | |
3916 | ||
3917 | free (displ.x); | |
f676886a JB |
3918 | if (f == x_focus_frame) |
3919 | x_focus_frame = 0; | |
3920 | if (f == x_highlight_frame) | |
3921 | x_highlight_frame = 0; | |
dc6f92b8 JB |
3922 | } |
3923 | \f | |
f451eb13 JB |
3924 | /* Manage event queues for X10. */ |
3925 | ||
dc6f92b8 JB |
3926 | #ifndef HAVE_X11 |
3927 | ||
3928 | /* Manage event queues. | |
3929 | ||
3930 | This code is only used by the X10 support. | |
3931 | ||
3932 | We cannot leave events in the X queue and get them when we are ready | |
3933 | because X does not provide a subroutine to get only a certain kind | |
3934 | of event but not block if there are no queued events of that kind. | |
3935 | ||
3936 | Therefore, we must examine events as they come in and copy events | |
3937 | of certain kinds into our private queues. | |
3938 | ||
3939 | All ExposeRegion events are put in x_expose_queue. | |
3940 | All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */ | |
3941 | ||
3942 | ||
3943 | /* Write the event *P_XREP into the event queue *QUEUE. | |
3944 | If the queue is full, do nothing, but return nonzero. */ | |
3945 | ||
3946 | int | |
3947 | enqueue_event (p_xrep, queue) | |
3948 | register XEvent *p_xrep; | |
3949 | register struct event_queue *queue; | |
3950 | { | |
3951 | int newindex = queue->windex + 1; | |
3952 | if (newindex == EVENT_BUFFER_SIZE) | |
3953 | newindex = 0; | |
3954 | if (newindex == queue->rindex) | |
3955 | return -1; | |
3956 | queue->xrep[queue->windex] = *p_xrep; | |
3957 | queue->windex = newindex; | |
3958 | return 0; | |
3959 | } | |
3960 | ||
3961 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
3962 | If *QUEUE is empty, do nothing and return 0. */ | |
3963 | ||
3964 | int | |
3965 | dequeue_event (p_xrep, queue) | |
3966 | register XEvent *p_xrep; | |
3967 | register struct event_queue *queue; | |
3968 | { | |
3969 | if (queue->windex == queue->rindex) | |
3970 | return 0; | |
3971 | *p_xrep = queue->xrep[queue->rindex++]; | |
3972 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
3973 | queue->rindex = 0; | |
3974 | return 1; | |
3975 | } | |
3976 | ||
3977 | /* Return the number of events buffered in *QUEUE. */ | |
3978 | ||
3979 | int | |
3980 | queue_event_count (queue) | |
3981 | register struct event_queue *queue; | |
3982 | { | |
3983 | int tem = queue->windex - queue->rindex; | |
3984 | if (tem >= 0) | |
3985 | return tem; | |
3986 | return EVENT_BUFFER_SIZE + tem; | |
3987 | } | |
3988 | ||
3989 | /* Return nonzero if mouse input is pending. */ | |
3990 | ||
3991 | int | |
3992 | mouse_event_pending_p () | |
3993 | { | |
3994 | return queue_event_count (&x_mouse_queue); | |
3995 | } | |
c118dd06 | 3996 | #endif /* HAVE_X11 */ |
dc6f92b8 | 3997 | \f |
f451eb13 JB |
3998 | /* Setting window manager hints. */ |
3999 | ||
dc6f92b8 JB |
4000 | #ifdef HAVE_X11 |
4001 | ||
f676886a JB |
4002 | x_wm_set_size_hint (f, prompting) |
4003 | struct frame *f; | |
dc6f92b8 JB |
4004 | long prompting; |
4005 | { | |
4006 | XSizeHints size_hints; | |
c118dd06 | 4007 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 JB |
4008 | |
4009 | size_hints.flags = PResizeInc | PMinSize | PMaxSize; | |
4010 | ||
f676886a JB |
4011 | flexlines = f->height; |
4012 | ||
4013 | size_hints.x = f->display.x->left_pos; | |
4014 | size_hints.y = f->display.x->top_pos; | |
4015 | size_hints.height = PIXEL_HEIGHT (f); | |
4016 | size_hints.width = PIXEL_WIDTH (f); | |
4017 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4018 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
f451eb13 JB |
4019 | size_hints.max_width = PIXEL_TO_CHAR_WIDTH (f, x_screen_width); |
4020 | size_hints.max_height = PIXEL_TO_CHAR_HEIGHT (f, x_screen_height); | |
4021 | ||
b1c884c3 | 4022 | { |
b0342f17 JB |
4023 | int base_width, base_height; |
4024 | ||
f451eb13 JB |
4025 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4026 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4027 | |
4028 | { | |
4029 | int min_rows = 0, min_cols = 0; | |
4030 | check_frame_size (f, &min_rows, &min_cols); | |
4031 | ||
4032 | /* The window manager uses the base width hints to calculate the | |
4033 | current number of rows and columns in the frame while | |
4034 | resizing; min_width and min_height aren't useful for this | |
4035 | purpose, since they might not give the dimensions for a | |
4036 | zero-row, zero-column frame. | |
4037 | ||
4038 | We use the base_width and base_height members if we have | |
4039 | them; otherwise, we set the min_width and min_height members | |
4040 | to the size for a zero x zero frame. */ | |
4041 | ||
4042 | #ifdef HAVE_X11R4 | |
4043 | size_hints.flags |= PBaseSize; | |
4044 | size_hints.base_width = base_width; | |
4045 | size_hints.base_height = base_height; | |
4046 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4047 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4048 | #else | |
4049 | size_hints.min_width = base_width; | |
4050 | size_hints.min_height = base_height; | |
4051 | #endif | |
4052 | } | |
b1c884c3 | 4053 | |
b1c884c3 | 4054 | } |
dc6f92b8 JB |
4055 | |
4056 | if (prompting) | |
4057 | size_hints.flags |= prompting; | |
4058 | else | |
4059 | { | |
4060 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4061 | ||
4062 | XGetNormalHints (x_current_display, window, &hints); | |
4063 | if (hints.flags & PSize) | |
4064 | size_hints.flags |= PSize; | |
4065 | if (hints.flags & PPosition) | |
4066 | size_hints.flags |= PPosition; | |
4067 | if (hints.flags & USPosition) | |
4068 | size_hints.flags |= USPosition; | |
4069 | if (hints.flags & USSize) | |
4070 | size_hints.flags |= USSize; | |
4071 | } | |
16bd92ea | 4072 | |
b0342f17 JB |
4073 | #ifdef HAVE_X11R4 |
4074 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4075 | #else | |
dc6f92b8 | 4076 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4077 | #endif |
dc6f92b8 JB |
4078 | } |
4079 | ||
4080 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4081 | x_wm_set_window_state (f, state) |
4082 | struct frame *f; | |
dc6f92b8 JB |
4083 | int state; |
4084 | { | |
c118dd06 | 4085 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4086 | |
16bd92ea JB |
4087 | f->display.x->wm_hints.flags |= StateHint; |
4088 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4089 | |
16bd92ea | 4090 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4091 | } |
4092 | ||
f676886a JB |
4093 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4094 | struct frame *f; | |
dc6f92b8 JB |
4095 | Pixmap icon_pixmap; |
4096 | { | |
c118dd06 | 4097 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4098 | |
16bd92ea JB |
4099 | f->display.x->wm_hints.flags |= IconPixmapHint; |
4100 | f->display.x->wm_hints.icon_pixmap = icon_pixmap ? icon_pixmap : None; | |
b1c884c3 | 4101 | |
16bd92ea | 4102 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4103 | } |
4104 | ||
f676886a JB |
4105 | x_wm_set_icon_position (f, icon_x, icon_y) |
4106 | struct frame *f; | |
dc6f92b8 JB |
4107 | int icon_x, icon_y; |
4108 | { | |
c118dd06 | 4109 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4110 | |
16bd92ea JB |
4111 | f->display.x->wm_hints.flags |= IconPositionHint; |
4112 | f->display.x->wm_hints.icon_x = icon_x; | |
4113 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4114 | |
16bd92ea | 4115 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4116 | } |
4117 | ||
4118 | \f | |
f451eb13 JB |
4119 | /* Initialization. */ |
4120 | ||
dc6f92b8 JB |
4121 | void |
4122 | x_term_init (display_name) | |
4123 | char *display_name; | |
4124 | { | |
f676886a | 4125 | Lisp_Object frame; |
dc6f92b8 JB |
4126 | char *defaultvalue; |
4127 | #ifdef F_SETOWN | |
4128 | extern int old_fcntl_owner; | |
c118dd06 | 4129 | #endif /* ! defined (F_SETOWN) */ |
6d4238f3 | 4130 | |
e33981b6 JB |
4131 | { |
4132 | fprintf (stderr, "\ | |
4133 | Hey! The Emacs 19 sources currently contain incomplete changes | |
4134 | for scrollbars, and don't run properly under X! | |
4135 | ||
4136 | It is supposed to work under termcap, though. | |
4137 | ||
4138 | -JimB"); | |
4139 | } | |
4140 | ||
4141 | ||
f676886a | 4142 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4143 | |
4144 | x_current_display = XOpenDisplay (display_name); | |
4145 | if (x_current_display == 0) | |
4146 | fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n", | |
4147 | display_name); | |
4148 | ||
4149 | #ifdef HAVE_X11 | |
4150 | { | |
16bd92ea | 4151 | int hostname_size = 256; |
60fb3ee1 JB |
4152 | |
4153 | hostname = (char *) xmalloc (hostname_size); | |
4154 | ||
dc6f92b8 JB |
4155 | #if 0 |
4156 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4157 | #endif /* ! 0 */ |
dc6f92b8 | 4158 | |
55123275 | 4159 | invocation_name = Ffile_name_nondirectory (Fcar (Vcommand_line_args)); |
60fb3ee1 JB |
4160 | |
4161 | /* Try to get the host name; if the buffer is too short, try | |
4162 | again. Apparently, the only indication gethostname gives of | |
4163 | whether the buffer was large enough is the presence or absence | |
4164 | of a '\0' in the string. Eech. */ | |
4165 | for (;;) | |
4166 | { | |
4167 | gethostname (hostname, hostname_size - 1); | |
4168 | hostname[hostname_size - 1] = '\0'; | |
4169 | ||
4170 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4171 | if (strlen (hostname) < hostname_size - 1) | |
4172 | break; | |
4173 | ||
4174 | hostname_size <<= 1; | |
4175 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4176 | } | |
4177 | x_id_name = (char *) xmalloc (XSTRING (invocation_name)->size | |
4178 | + strlen (hostname) | |
4179 | + 2); | |
4180 | sprintf (x_id_name, "%s@%s", XSTRING (invocation_name)->data, hostname); | |
dc6f92b8 | 4181 | } |
28430d3c JB |
4182 | |
4183 | /* Figure out which modifier bits mean what. */ | |
4184 | x_find_modifier_meanings (); | |
f451eb13 JB |
4185 | |
4186 | /* Get the scrollbar cursor. */ | |
4187 | x_vertical_scrollbar_cursor = | |
4188 | XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
4189 | ||
28430d3c JB |
4190 | /* Watch for PropertyNotify events on the root window; we use them |
4191 | to figure out when to invalidate our cache of the cut buffers. */ | |
4192 | x_watch_cut_buffer_cache (); | |
4193 | ||
dc6f92b8 | 4194 | dup2 (ConnectionNumber (x_current_display), 0); |
6d4238f3 JB |
4195 | |
4196 | #ifndef SYSV_STREAMS | |
4197 | /* Streams somehow keeps track of which descriptor number | |
4198 | is being used to talk to X. So it is not safe to substitute | |
4199 | descriptor 0. But it is safe to make descriptor 0 a copy of it. */ | |
dc6f92b8 | 4200 | close (ConnectionNumber (x_current_display)); |
6d4238f3 JB |
4201 | ConnectionNumber (x_current_display) = 0; /* Looks a little strange? |
4202 | * check the def of the macro; | |
4203 | * it is a genuine lvalue */ | |
c118dd06 | 4204 | #endif /* SYSV_STREAMS */ |
6d4238f3 | 4205 | |
c118dd06 | 4206 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4207 | |
4208 | #ifdef F_SETOWN | |
4209 | old_fcntl_owner = fcntl (0, F_GETOWN, 0); | |
4210 | #ifdef F_SETOWN_SOCK_NEG | |
4211 | fcntl (0, F_SETOWN, -getpid ()); /* stdin is a socket here */ | |
c118dd06 | 4212 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
dc6f92b8 | 4213 | fcntl (0, F_SETOWN, getpid ()); |
c118dd06 JB |
4214 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4215 | #endif /* ! defined (F_SETOWN) */ | |
dc6f92b8 JB |
4216 | |
4217 | #ifdef SIGIO | |
4218 | init_sigio (); | |
c118dd06 | 4219 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 JB |
4220 | |
4221 | /* Must use interrupt input because we cannot otherwise | |
4222 | arrange for C-g to be noticed immediately. | |
4223 | We cannot connect it to SIGINT. */ | |
4224 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
4225 | ||
4226 | expose_all_windows = 0; | |
4227 | ||
f676886a | 4228 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
4229 | clear_end_of_line_hook = XTclear_end_of_line; |
4230 | ins_del_lines_hook = XTins_del_lines; | |
4231 | change_line_highlight_hook = XTchange_line_highlight; | |
4232 | insert_glyphs_hook = XTinsert_glyphs; | |
4233 | write_glyphs_hook = XTwrite_glyphs; | |
4234 | delete_glyphs_hook = XTdelete_glyphs; | |
4235 | ring_bell_hook = XTring_bell; | |
4236 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
4237 | set_terminal_modes_hook = XTset_terminal_modes; | |
4238 | update_begin_hook = XTupdate_begin; | |
4239 | update_end_hook = XTupdate_end; | |
4240 | set_terminal_window_hook = XTset_terminal_window; | |
4241 | read_socket_hook = XTread_socket; | |
4242 | cursor_to_hook = XTcursor_to; | |
4243 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 4244 | mouse_position_hook = XTmouse_position; |
f451eb13 JB |
4245 | frame_rehighlight_hook = XTframe_rehighlight; |
4246 | set_vertical_scrollbar_hook = XTset_scrollbar; | |
4247 | condemn_scrollbars_hook = XTcondemn_scrollbars; | |
4248 | redeem_scrollbar_hook = XTredeem_scrollbar; | |
4249 | judge_scrollbars_hook = XTjudge_scrollbars; | |
dc6f92b8 | 4250 | |
f676886a | 4251 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
4252 | char_ins_del_ok = 0; /* just as fast to write the line */ |
4253 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
4254 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 4255 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
4256 | off the bottom */ |
4257 | baud_rate = 19200; | |
4258 | ||
c118dd06 JB |
4259 | /* Note that there is no real way portable across R3/R4 to get the |
4260 | original error handler. */ | |
4261 | XHandleError (x_error_quitter); | |
4262 | XHandleIOError (x_error_quitter); | |
dc6f92b8 JB |
4263 | |
4264 | /* Disable Window Change signals; they are handled by X events. */ | |
4265 | #ifdef SIGWINCH | |
4266 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 4267 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 4268 | |
c118dd06 | 4269 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 4270 | } |
55123275 JB |
4271 | |
4272 | void | |
4273 | syms_of_xterm () | |
4274 | { | |
4275 | staticpro (&invocation_name); | |
4276 | invocation_name = Qnil; | |
55123275 | 4277 | } |
c118dd06 JB |
4278 | #endif /* ! defined (HAVE_X11) */ |
4279 | #endif /* ! defined (HAVE_X_WINDOWS) */ |