Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
5116f055 | 2 | Copyright (C) 1989, 1993 Free Software Foundation, Inc. |
dc6f92b8 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
4746118a | 8 | the Free Software Foundation; either version 2, or (at your option) |
dc6f92b8 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | /* Serious problems: | |
21 | ||
22 | Kludge: dup2 is used to put the X-connection socket into desc # 0 | |
23 | so that wait_reading_process_input will wait for it in place of | |
24 | actual terminal input. | |
25 | ||
26 | */ | |
27 | ||
d56a553a RS |
28 | #define NEW_SELECTIONS |
29 | ||
039440c4 RS |
30 | /* On 4.3 these lose if they come after xterm.h. */ |
31 | /* On HP-UX 8.0 signal.h loses if it comes after config.h. */ | |
32 | /* Putting these at the beginning seems to be standard for other .c files. */ | |
33 | #include <stdio.h> | |
34 | #include <signal.h> | |
35 | ||
18160b98 | 36 | #include <config.h> |
dc6f92b8 JB |
37 | |
38 | #ifdef HAVE_X_WINDOWS | |
39 | ||
40 | #include "lisp.h" | |
9ac0d9e0 | 41 | #include "blockinput.h" |
dc6f92b8 | 42 | |
dc6f92b8 JB |
43 | /* This may include sys/types.h, and that somehow loses |
44 | if this is not done before the other system files. */ | |
45 | #include "xterm.h" | |
f451eb13 | 46 | #include <X11/cursorfont.h> |
dc6f92b8 | 47 | |
16bd92ea | 48 | #ifndef USG |
dc6f92b8 JB |
49 | /* Load sys/types.h if not already loaded. |
50 | In some systems loading it twice is suicidal. */ | |
51 | #ifndef makedev | |
52 | #include <sys/types.h> | |
c118dd06 JB |
53 | #endif /* makedev */ |
54 | #endif /* USG */ | |
dc6f92b8 JB |
55 | |
56 | #ifdef BSD | |
57 | #include <sys/ioctl.h> | |
58 | #include <strings.h> | |
c118dd06 | 59 | #else /* ! defined (BSD) */ |
febf25d5 | 60 | #ifndef VMS |
dc6f92b8 | 61 | #include <string.h> |
febf25d5 | 62 | #endif |
c118dd06 | 63 | #endif /* ! defined (BSD) */ |
dc6f92b8 | 64 | |
2d368234 | 65 | #include "systty.h" |
3a2712f9 | 66 | #include "systime.h" |
dc6f92b8 JB |
67 | |
68 | #include <fcntl.h> | |
dc6f92b8 JB |
69 | #include <ctype.h> |
70 | #include <errno.h> | |
71 | #include <setjmp.h> | |
72 | #include <sys/stat.h> | |
73 | #include <sys/param.h> | |
74 | ||
75 | #include "dispextern.h" | |
76 | #include "termhooks.h" | |
77 | #include "termopts.h" | |
78 | #include "termchar.h" | |
79 | #if 0 | |
80 | #include "sink.h" | |
81 | #include "sinkmask.h" | |
c118dd06 | 82 | #endif /* ! 0 */ |
dc6f92b8 | 83 | #include "gnu.h" |
f676886a | 84 | #include "frame.h" |
dc6f92b8 | 85 | #include "disptab.h" |
dc6f92b8 | 86 | #include "buffer.h" |
f451eb13 | 87 | #include "window.h" |
dc6f92b8 JB |
88 | |
89 | #ifdef HAVE_X11 | |
90 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 91 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
92 | #include <X/Xkeyboard.h> |
93 | /*#include <X/Xproto.h> */ | |
c118dd06 | 94 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 95 | |
c34efc6c JB |
96 | #ifdef FD_SET |
97 | /* We could get this from param.h, but better not to depend on finding that. | |
98 | And better not to risk that it might define other symbols used in this | |
99 | file. */ | |
100 | #ifdef FD_SETSIZE | |
101 | #define MAXDESC FD_SETSIZE | |
102 | #else | |
103 | #define MAXDESC 64 | |
104 | #endif | |
105 | #define SELECT_TYPE fd_set | |
106 | #else /* no FD_SET */ | |
107 | #define MAXDESC 32 | |
108 | #define SELECT_TYPE int | |
109 | ||
110 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
111 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
112 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
113 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
114 | #define FD_ZERO(p) (*(p) = 0) | |
115 | #endif /* no FD_SET */ | |
116 | ||
dc6f92b8 JB |
117 | /* For sending Meta-characters. Do we need this? */ |
118 | #define METABIT 0200 | |
119 | ||
120 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
121 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 122 | \f |
dc6f92b8 JB |
123 | /* Nonzero means we must reprint all windows |
124 | because 1) we received an ExposeWindow event | |
f451eb13 | 125 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 126 | |
f451eb13 | 127 | This is never needed under X11. */ |
dc6f92b8 JB |
128 | static int expose_all_windows; |
129 | ||
130 | /* Nonzero means we must reprint all icon windows. */ | |
131 | ||
132 | static int expose_all_icons; | |
133 | ||
134 | #ifndef HAVE_X11 | |
135 | /* ExposeRegion events, when received, are copied into this queue | |
136 | for later processing. */ | |
137 | ||
138 | static struct event_queue x_expose_queue; | |
139 | ||
69388238 | 140 | /* ButtonPress and ButtonReleased events, when received, |
dc6f92b8 JB |
141 | are copied into this queue for later processing. */ |
142 | ||
143 | struct event_queue x_mouse_queue; | |
c118dd06 | 144 | #endif /* HAVE_X11 */ |
dc6f92b8 | 145 | |
dc6f92b8 JB |
146 | #if defined (SIGIO) && defined (FIONREAD) |
147 | int BLOCK_INPUT_mask; | |
c118dd06 | 148 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 149 | |
dc6f92b8 JB |
150 | /* The id of a bitmap used for icon windows. |
151 | One such map is shared by all Emacs icon windows. | |
152 | This is zero if we have not yet had a need to create the bitmap. */ | |
153 | ||
154 | static Bitmap icon_bitmap; | |
155 | ||
156 | /* Font used for text icons. */ | |
157 | ||
158 | static FONT_TYPE *icon_font_info; | |
159 | ||
160 | /* Stuff for dealing with the main icon title. */ | |
161 | ||
162 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 163 | char *hostname, *x_id_name; |
dc6f92b8 JB |
164 | |
165 | /* This is the X connection that we are using. */ | |
166 | ||
167 | Display *x_current_display; | |
168 | ||
ab648270 JB |
169 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
170 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 171 | |
987d2ad1 | 172 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 173 | This is set by update_begin and looked at by all the |
dc6f92b8 | 174 | XT functions. It is zero while not inside an update. |
f676886a JB |
175 | In that case, the XT functions assume that `selected_frame' |
176 | is the frame to apply to. */ | |
d0386f2a | 177 | extern struct frame *updating_frame; |
dc6f92b8 | 178 | |
f676886a | 179 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
180 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
181 | that a mere EnterNotify event can set this; if you need to know the | |
182 | last frame specified in a FocusIn or FocusOut event, use | |
183 | x_focus_event_frame. */ | |
f676886a | 184 | struct frame *x_focus_frame; |
dc6f92b8 | 185 | |
f451eb13 JB |
186 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
187 | separate from x_focus_frame, because whether or not LeaveNotify | |
188 | events cause us to lose focus depends on whether or not we have | |
189 | received a FocusIn event for it. */ | |
190 | struct frame *x_focus_event_frame; | |
191 | ||
f676886a JB |
192 | /* The frame which currently has the visual highlight, and should get |
193 | keyboard input (other sorts of input have the frame encoded in the | |
194 | event). It points to the X focus frame's selected window's | |
195 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 196 | minibuffer. */ |
f676886a | 197 | static struct frame *x_highlight_frame; |
6d4238f3 | 198 | |
dc6f92b8 | 199 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 200 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
201 | |
202 | static int warp_mouse_on_deiconify; | |
203 | ||
204 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
205 | ||
206 | static int flexlines; | |
207 | ||
208 | /* During an update, nonzero if chars output now should be highlighted. */ | |
209 | ||
210 | static int highlight; | |
211 | ||
212 | /* Nominal cursor position -- where to draw output. | |
213 | During an update, these are different from the cursor-box position. */ | |
214 | ||
215 | static int curs_x; | |
216 | static int curs_y; | |
217 | ||
69388238 RS |
218 | /* Mouse movement. |
219 | ||
220 | In order to avoid asking for motion events and then throwing most | |
221 | of them away or busy-polling the server for mouse positions, we ask | |
222 | the server for pointer motion hints. This means that we get only | |
223 | one event per group of mouse movements. "Groups" are delimited by | |
224 | other kinds of events (focus changes and button clicks, for | |
225 | example), or by XQueryPointer calls; when one of these happens, we | |
226 | get another MotionNotify event the next time the mouse moves. This | |
227 | is at least as efficient as getting motion events when mouse | |
228 | tracking is on, and I suspect only negligibly worse when tracking | |
229 | is off. | |
230 | ||
231 | The silly O'Reilly & Associates Nutshell guides barely document | |
232 | pointer motion hints at all (I think you have to infer how they | |
233 | work from an example), and the description of XQueryPointer doesn't | |
234 | mention that calling it causes you to get another motion hint from | |
235 | the server, which is very important. */ | |
236 | ||
237 | /* Where the mouse was last time we reported a mouse event. */ | |
238 | static FRAME_PTR last_mouse_frame; | |
239 | static XRectangle last_mouse_glyph; | |
240 | ||
241 | /* The scroll bar in which the last X motion event occurred. | |
242 | ||
243 | If the last X motion event occurred in a scroll bar, we set this | |
244 | so XTmouse_position can know whether to report a scroll bar motion or | |
245 | an ordinary motion. | |
246 | ||
247 | If the last X motion event didn't occur in a scroll bar, we set this | |
248 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
249 | static Lisp_Object last_mouse_scroll_bar; | |
250 | ||
251 | /* Record which buttons are currently pressed. */ | |
252 | unsigned int x_mouse_grabbed; | |
253 | ||
254 | /* This is a hack. We would really prefer that XTmouse_position would | |
255 | return the time associated with the position it returns, but there | |
256 | doesn't seem to be any way to wrest the timestamp from the server | |
257 | along with the position query. So, we just keep track of the time | |
258 | of the last movement we received, and return that in hopes that | |
259 | it's somewhat accurate. */ | |
260 | static Time last_mouse_movement_time; | |
261 | ||
dc6f92b8 JB |
262 | #ifdef HAVE_X11 |
263 | /* `t' if a mouse button is depressed. */ | |
264 | ||
265 | extern Lisp_Object Vmouse_depressed; | |
266 | ||
267 | /* Tells if a window manager is present or not. */ | |
268 | ||
269 | extern Lisp_Object Vx_no_window_manager; | |
270 | ||
271 | /* Timestamp that we requested selection data was made. */ | |
272 | extern Time requestor_time; | |
273 | ||
274 | /* ID of the window requesting selection data. */ | |
275 | extern Window requestor_window; | |
276 | ||
277 | /* Nonzero enables some debugging for the X interface code. */ | |
278 | extern int _Xdebug; | |
279 | ||
c118dd06 | 280 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
281 | |
282 | /* Bit patterns for the mouse cursor. */ | |
283 | ||
284 | short MouseCursor[] = { | |
285 | 0x0000, 0x0008, 0x0018, 0x0038, | |
286 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
287 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
288 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
289 | ||
290 | short MouseMask[] = { | |
291 | 0x000c, 0x001c, 0x003c, 0x007c, | |
292 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
293 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
294 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
295 | ||
296 | static short grey_bits[] = { | |
297 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
298 | ||
299 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 300 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
301 | |
302 | /* From time to time we get info on an Emacs window, here. */ | |
303 | ||
304 | static WINDOWINFO_TYPE windowinfo; | |
305 | ||
306 | extern int errno; | |
307 | ||
dfeccd2d | 308 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
309 | extern int extra_keyboard_modifiers; |
310 | ||
dc6f92b8 JB |
311 | extern Display *XOpenDisplay (); |
312 | extern Window XCreateWindow (); | |
313 | ||
314 | extern Cursor XCreateCursor (); | |
315 | extern FONT_TYPE *XOpenFont (); | |
316 | ||
317 | static void flashback (); | |
c83febd7 | 318 | static void redraw_previous_char (); |
dc6f92b8 JB |
319 | |
320 | #ifndef HAVE_X11 | |
321 | static void dumpqueue (); | |
c118dd06 | 322 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
323 | |
324 | void dumpborder (); | |
4746118a JB |
325 | static int XTcursor_to (); |
326 | static int XTclear_end_of_line (); | |
16bd92ea JB |
327 | |
328 | \f | |
f451eb13 JB |
329 | /* Starting and ending updates. |
330 | ||
331 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
332 | of a frame update. We record in `updating_frame' the identity |
333 | of the frame being updated, so that the XT... functions do not | |
334 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 335 | should never be called except during an update, the only exceptions |
c83febd7 | 336 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 JB |
337 | |
338 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
339 | ||
340 | static | |
f676886a JB |
341 | XTupdate_begin (f) |
342 | struct frame *f; | |
dc6f92b8 JB |
343 | { |
344 | int mask; | |
345 | ||
f676886a | 346 | if (f == 0) |
dc6f92b8 JB |
347 | abort (); |
348 | ||
f676886a | 349 | flexlines = f->height; |
dc6f92b8 JB |
350 | highlight = 0; |
351 | ||
dc6f92b8 JB |
352 | BLOCK_INPUT; |
353 | #ifndef HAVE_X11 | |
354 | dumpqueue (); | |
c118dd06 | 355 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
356 | UNBLOCK_INPUT; |
357 | } | |
358 | ||
f451eb13 | 359 | #ifndef HAVE_X11 |
dc6f92b8 | 360 | static void x_do_pending_expose (); |
f451eb13 | 361 | #endif |
dc6f92b8 JB |
362 | |
363 | static | |
f676886a JB |
364 | XTupdate_end (f) |
365 | struct frame *f; | |
dc6f92b8 JB |
366 | { |
367 | int mask; | |
368 | ||
f676886a JB |
369 | if (updating_frame == 0 |
370 | || updating_frame != f) | |
dc6f92b8 JB |
371 | abort (); |
372 | ||
373 | BLOCK_INPUT; | |
374 | #ifndef HAVE_X11 | |
375 | dumpqueue (); | |
dc6f92b8 | 376 | x_do_pending_expose (); |
f451eb13 | 377 | #endif /* HAVE_X11 */ |
dc6f92b8 | 378 | |
f676886a | 379 | x_display_cursor (f, 1); |
dc6f92b8 | 380 | |
dc6f92b8 JB |
381 | XFlushQueue (); |
382 | UNBLOCK_INPUT; | |
383 | } | |
384 | \f | |
385 | /* External interface to control of standout mode. | |
386 | Call this when about to modify line at position VPOS | |
387 | and not change whether it is highlighted. */ | |
388 | ||
389 | XTreassert_line_highlight (new, vpos) | |
390 | int new, vpos; | |
391 | { | |
392 | highlight = new; | |
393 | } | |
394 | ||
395 | /* Call this when about to modify line at position VPOS | |
396 | and change whether it is highlighted. */ | |
397 | ||
398 | static | |
399 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
400 | int new_highlight, vpos, first_unused_hpos; | |
401 | { | |
402 | highlight = new_highlight; | |
403 | XTcursor_to (vpos, 0); | |
f676886a | 404 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
405 | } |
406 | ||
407 | /* This is used when starting Emacs and when restarting after suspend. | |
408 | When starting Emacs, no X window is mapped. And nothing must be done | |
409 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
410 | ||
411 | static | |
412 | XTset_terminal_modes () | |
413 | { | |
414 | } | |
415 | ||
416 | /* This is called when exiting or suspending Emacs. | |
417 | Exiting will make the X-windows go away, and suspending | |
418 | requires no action. */ | |
419 | ||
420 | static | |
421 | XTreset_terminal_modes () | |
422 | { | |
f676886a | 423 | /* XTclear_frame (); */ |
dc6f92b8 JB |
424 | } |
425 | \f | |
f451eb13 JB |
426 | /* Set the nominal cursor position of the frame. |
427 | This is where display update commands will take effect. | |
dc6f92b8 JB |
428 | This does not affect the place where the cursor-box is displayed. */ |
429 | ||
4746118a | 430 | static int |
dc6f92b8 JB |
431 | XTcursor_to (row, col) |
432 | register int row, col; | |
433 | { | |
434 | int mask; | |
435 | int orow = row; | |
436 | ||
437 | curs_x = col; | |
438 | curs_y = row; | |
439 | ||
f676886a | 440 | if (updating_frame == 0) |
dc6f92b8 JB |
441 | { |
442 | BLOCK_INPUT; | |
f676886a | 443 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
444 | XFlushQueue (); |
445 | UNBLOCK_INPUT; | |
446 | } | |
447 | } | |
448 | \f | |
449 | /* Display a sequence of N glyphs found at GP. | |
450 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
451 | HL is 1 if this text is highlighted, 2 if the cursor is on it. | |
452 | ||
07e34cb0 | 453 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 454 | |
07e34cb0 JB |
455 | Since the display generation code is responsible for calling |
456 | compute_char_face and compute_glyph_face on everything it puts in | |
457 | the display structure, we can assume that the face code on each | |
28f72798 JB |
458 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
459 | to which we can actually apply intern_face. */ | |
dc6f92b8 | 460 | |
07e34cb0 JB |
461 | #if 1 |
462 | /* This is the multi-face code. */ | |
dc6f92b8 | 463 | |
dc6f92b8 | 464 | static void |
07e34cb0 | 465 | dumpglyphs (f, left, top, gp, n, hl) |
f676886a | 466 | struct frame *f; |
dc6f92b8 JB |
467 | int left, top; |
468 | register GLYPH *gp; /* Points to first GLYPH. */ | |
469 | register int n; /* Number of glyphs to display. */ | |
470 | int hl; | |
dc6f92b8 | 471 | { |
07e34cb0 JB |
472 | /* Holds characters to be displayed. */ |
473 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
474 | register char *cp; /* Steps through buf[]. */ |
475 | register int tlen = GLYPH_TABLE_LENGTH; | |
476 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 477 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 478 | |
07e34cb0 | 479 | while (n > 0) |
dc6f92b8 JB |
480 | { |
481 | /* Get the face-code of the next GLYPH. */ | |
482 | int cf, len; | |
483 | int g = *gp; | |
484 | ||
07e34cb0 JB |
485 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
486 | cf = GLYPH_FACE (g); | |
dc6f92b8 JB |
487 | |
488 | /* Find the run of consecutive glyphs with the same face-code. | |
489 | Extract their character codes into BUF. */ | |
490 | cp = buf; | |
491 | while (n > 0) | |
492 | { | |
493 | g = *gp; | |
07e34cb0 JB |
494 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
495 | if (GLYPH_FACE (g) != cf) | |
dc6f92b8 JB |
496 | break; |
497 | ||
07e34cb0 | 498 | *cp++ = GLYPH_CHAR (g); |
dc6f92b8 JB |
499 | --n; |
500 | ++gp; | |
501 | } | |
502 | ||
503 | /* LEN gets the length of the run. */ | |
504 | len = cp - buf; | |
505 | ||
506 | /* Now output this run of chars, with the font and pixel values | |
507 | determined by the face code CF. */ | |
07e34cb0 JB |
508 | { |
509 | struct face *face = FRAME_DEFAULT_FACE (f); | |
510 | FONT_TYPE *font = FACE_FONT (face); | |
511 | GC gc = FACE_GC (face); | |
b73b6aaf RS |
512 | int defaulted = 1; |
513 | int gc_temporary = 0; | |
07e34cb0 | 514 | |
b73b6aaf RS |
515 | /* First look at the face of the text itself. */ |
516 | if (cf != 0) | |
07e34cb0 JB |
517 | { |
518 | /* The face codes on the glyphs must be valid indices into the | |
519 | frame's face table. */ | |
28f72798 JB |
520 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
521 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
07e34cb0 JB |
522 | abort (); |
523 | ||
524 | if (cf == 1) | |
525 | face = FRAME_MODE_LINE_FACE (f); | |
526 | else | |
28f72798 | 527 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
528 | font = FACE_FONT (face); |
529 | gc = FACE_GC (face); | |
b73b6aaf | 530 | defaulted = 0; |
07e34cb0 | 531 | } |
4a4dc352 JB |
532 | |
533 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
534 | else if (hl == 0) |
535 | ; | |
536 | else if (hl == 1) | |
537 | { | |
538 | face = FRAME_MODE_LINE_FACE (f); | |
539 | font = FACE_FONT (face); | |
540 | gc = FACE_GC (face); | |
b73b6aaf RS |
541 | defaulted = 0; |
542 | } | |
543 | ||
544 | #define FACE_DEFAULT (~0) | |
545 | ||
546 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 547 | if (hl == 2) |
b73b6aaf | 548 | { |
b5cf7a0e JB |
549 | if (defaulted |
550 | || !face->font | |
551 | || (int) face->font == FACE_DEFAULT) | |
552 | { | |
553 | gc = f->display.x->cursor_gc; | |
554 | } | |
555 | /* Cursor on non-default face: must merge. */ | |
556 | else | |
557 | { | |
558 | XGCValues xgcv; | |
559 | unsigned long mask; | |
560 | ||
561 | xgcv.background = f->display.x->cursor_pixel; | |
562 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
563 | xgcv.font = face->font->fid; | |
564 | xgcv.graphics_exposures = 0; | |
565 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
566 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
567 | mask, &xgcv); | |
b73b6aaf | 568 | #if 0 |
b5cf7a0e JB |
569 | if (face->stipple && face->stipple != FACE_DEFAULT) |
570 | XSetStipple (x_current_display, gc, face->stipple); | |
b73b6aaf | 571 | #endif |
b5cf7a0e JB |
572 | gc_temporary = 1; |
573 | } | |
07e34cb0 | 574 | } |
07e34cb0 | 575 | |
b5cf7a0e JB |
576 | if ((int) font == FACE_DEFAULT) |
577 | font = f->display.x->font; | |
578 | ||
07e34cb0 JB |
579 | XDrawImageString (x_current_display, window, gc, |
580 | left, top + FONT_BASE (font), buf, len); | |
07e34cb0 | 581 | |
b73b6aaf RS |
582 | if (gc_temporary) |
583 | XFreeGC (x_current_display, gc); | |
584 | ||
07e34cb0 JB |
585 | /* We should probably check for XA_UNDERLINE_POSITION and |
586 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
587 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 588 | { |
4a4dc352 | 589 | int underline_position = 1; |
07e34cb0 | 590 | |
4a4dc352 JB |
591 | if (font->descent <= underline_position) |
592 | underline_position = font->descent - 1; | |
07e34cb0 JB |
593 | |
594 | if (face->underline) | |
595 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
596 | FACE_GC (face), | |
597 | left, (top | |
598 | + FONT_BASE (font) | |
599 | + underline_position), | |
600 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 601 | } |
07e34cb0 JB |
602 | |
603 | left += len * FONT_WIDTH (font); | |
604 | } | |
dc6f92b8 JB |
605 | } |
606 | } | |
07e34cb0 JB |
607 | #endif /* 1 */ |
608 | ||
609 | #if 0 | |
610 | /* This is the old single-face code. */ | |
611 | ||
612 | static void | |
613 | dumpglyphs (f, left, top, gp, n, hl, font) | |
614 | struct frame *f; | |
615 | int left, top; | |
616 | register GLYPH *gp; /* Points to first GLYPH. */ | |
617 | register int n; /* Number of glyphs to display. */ | |
618 | int hl; | |
619 | FONT_TYPE *font; | |
620 | { | |
621 | register int len; | |
622 | Window window = FRAME_X_WINDOW (f); | |
623 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
624 | : (hl ? f->display.x->reverse_gc | |
625 | : f->display.x->normal_gc)); | |
626 | ||
627 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
628 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
629 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
630 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
631 | XDrawImageString (x_current_display, window, drawing_gc, | |
632 | left, top + FONT_BASE (font), (char *) gp, n); | |
633 | else | |
634 | /* What size of glyph ARE you using? And does X have a function to | |
635 | draw them? */ | |
636 | abort (); | |
637 | } | |
638 | #endif | |
dc6f92b8 | 639 | \f |
f451eb13 JB |
640 | /* Output some text at the nominal frame cursor position. |
641 | Advance the cursor over the text. | |
dc6f92b8 JB |
642 | Output LEN glyphs at START. |
643 | ||
644 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
645 | controls the pixel values used for foreground and background. */ | |
646 | ||
647 | static | |
648 | XTwrite_glyphs (start, len) | |
649 | register GLYPH *start; | |
650 | int len; | |
651 | { | |
652 | register int temp_length; | |
653 | int mask; | |
f676886a | 654 | struct frame *f; |
dc6f92b8 JB |
655 | |
656 | BLOCK_INPUT; | |
657 | ||
f676886a JB |
658 | f = updating_frame; |
659 | if (f == 0) | |
dc6f92b8 | 660 | { |
f676886a | 661 | f = selected_frame; |
dc6f92b8 | 662 | /* If not within an update, |
f676886a JB |
663 | output at the frame's visible cursor. */ |
664 | curs_x = f->cursor_x; | |
665 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
666 | } |
667 | ||
f676886a | 668 | dumpglyphs (f, |
12ba150f JB |
669 | CHAR_TO_PIXEL_COL (f, curs_x), |
670 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
07e34cb0 | 671 | start, len, highlight); |
90e65f07 JB |
672 | |
673 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
674 | if (curs_y == f->phys_cursor_y |
675 | && curs_x <= f->phys_cursor_x | |
676 | && curs_x + len > f->phys_cursor_x) | |
677 | f->phys_cursor_x = -1; | |
dc6f92b8 | 678 | |
f676886a | 679 | if (updating_frame == 0) |
dc6f92b8 | 680 | { |
f676886a JB |
681 | f->cursor_x += len; |
682 | x_display_cursor (f, 1); | |
683 | f->cursor_x -= len; | |
dc6f92b8 JB |
684 | } |
685 | else | |
686 | curs_x += len; | |
687 | ||
688 | UNBLOCK_INPUT; | |
689 | } | |
690 | \f | |
f451eb13 JB |
691 | /* Clear to the end of the line. |
692 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
693 | to column FIRST_UNUSED (exclusive). The idea is that everything |
694 | from FIRST_UNUSED onward is already erased. */ | |
695 | ||
4746118a | 696 | static int |
dc6f92b8 JB |
697 | XTclear_end_of_line (first_unused) |
698 | register int first_unused; | |
699 | { | |
f676886a | 700 | struct frame *f = updating_frame; |
dc6f92b8 JB |
701 | int mask; |
702 | ||
f676886a | 703 | if (f == 0) |
dc6f92b8 JB |
704 | abort (); |
705 | ||
f676886a | 706 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
707 | return; |
708 | if (first_unused <= 0) | |
709 | return; | |
710 | ||
f676886a JB |
711 | if (first_unused >= f->width) |
712 | first_unused = f->width; | |
dc6f92b8 JB |
713 | |
714 | BLOCK_INPUT; | |
715 | ||
90e65f07 | 716 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
717 | if (curs_y == f->phys_cursor_y |
718 | && curs_x <= f->phys_cursor_x | |
719 | && f->phys_cursor_x < first_unused) | |
720 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
721 | |
722 | #ifdef HAVE_X11 | |
c118dd06 | 723 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
724 | CHAR_TO_PIXEL_COL (f, curs_x), |
725 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
726 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
727 | FONT_HEIGHT (f->display.x->font), False); | |
c83febd7 RS |
728 | #if 0 |
729 | redraw_previous_char (f, curs_x, curs_y); | |
730 | #endif | |
c118dd06 JB |
731 | #else /* ! defined (HAVE_X11) */ |
732 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
733 | CHAR_TO_PIXEL_COL (f, curs_x), |
734 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
735 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
736 | FONT_HEIGHT (f->display.x->font), | |
737 | f->display.x->background_pixel); | |
c118dd06 | 738 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
739 | |
740 | UNBLOCK_INPUT; | |
741 | } | |
742 | ||
c83febd7 RS |
743 | /* Erase the character (if any) at the position just before X, Y in frame F, |
744 | then redraw it and the character before it. | |
745 | This is necessary when we erase starting at X, | |
746 | in case the character after X overlaps into the one before X. */ | |
747 | ||
748 | static void | |
749 | redraw_previous_char (f, x, y) | |
750 | FRAME_PTR f; | |
751 | int x, y; | |
752 | { | |
753 | /* Erase the character before the new ones, in case | |
754 | what was here before overlaps it. | |
755 | Reoutput that character, and the previous character | |
756 | (in case the previous character overlaps it). */ | |
757 | if (x > 0) | |
758 | { | |
759 | int start_x = x - 2; | |
760 | if (start_x < 0) | |
761 | start_x = 0; | |
762 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
763 | CHAR_TO_PIXEL_COL (f, x - 1), | |
764 | CHAR_TO_PIXEL_ROW (f, y), | |
765 | FONT_WIDTH (f->display.x->font), | |
766 | FONT_HEIGHT (f->display.x->font), False); | |
767 | ||
768 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
769 | CHAR_TO_PIXEL_ROW (f, y), | |
770 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
771 | x - start_x, highlight); | |
772 | } | |
773 | } | |
774 | ||
dc6f92b8 | 775 | static |
f676886a | 776 | XTclear_frame () |
dc6f92b8 JB |
777 | { |
778 | int mask; | |
f676886a | 779 | struct frame *f = updating_frame; |
dc6f92b8 | 780 | |
f676886a JB |
781 | if (f == 0) |
782 | f = selected_frame; | |
dc6f92b8 | 783 | |
f676886a | 784 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
785 | curs_x = 0; /* Nominal cursor position is top left. */ |
786 | curs_y = 0; | |
787 | ||
788 | BLOCK_INPUT; | |
dbc4e1c1 | 789 | |
c118dd06 | 790 | XClear (FRAME_X_WINDOW (f)); |
dbc4e1c1 | 791 | |
ab648270 | 792 | /* We have to clear the scroll bars, too. If we have changed |
dbc4e1c1 | 793 | colors or something like that, then they should be notified. */ |
ab648270 | 794 | x_scroll_bar_clear (f); |
dbc4e1c1 | 795 | |
dc6f92b8 | 796 | #ifndef HAVE_X11 |
f676886a | 797 | dumpborder (f, 0); |
c118dd06 | 798 | #endif /* HAVE_X11 */ |
dbc4e1c1 | 799 | |
dc6f92b8 JB |
800 | XFlushQueue (); |
801 | UNBLOCK_INPUT; | |
802 | } | |
803 | \f | |
dbc4e1c1 JB |
804 | /* Invert the middle quarter of the frame for .15 sec. */ |
805 | ||
806 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 807 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
808 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
809 | ||
810 | /* Subtract the `struct timeval' values X and Y, | |
811 | storing the result in RESULT. | |
812 | Return 1 if the difference is negative, otherwise 0. */ | |
813 | ||
814 | static int | |
815 | timeval_subtract (result, x, y) | |
816 | struct timeval *result, x, y; | |
817 | { | |
818 | /* Perform the carry for the later subtraction by updating y. | |
819 | This is safer because on some systems | |
820 | the tv_sec member is unsigned. */ | |
821 | if (x.tv_usec < y.tv_usec) | |
822 | { | |
823 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
824 | y.tv_usec -= 1000000 * nsec; | |
825 | y.tv_sec += nsec; | |
826 | } | |
827 | if (x.tv_usec - y.tv_usec > 1000000) | |
828 | { | |
829 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
830 | y.tv_usec += 1000000 * nsec; | |
831 | y.tv_sec -= nsec; | |
832 | } | |
833 | ||
834 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
835 | result->tv_sec = x.tv_sec - y.tv_sec; | |
836 | result->tv_usec = x.tv_usec - y.tv_usec; | |
837 | ||
838 | /* Return indication of whether the result should be considered negative. */ | |
839 | return x.tv_sec < y.tv_sec; | |
840 | } | |
dc6f92b8 | 841 | |
f676886a JB |
842 | XTflash (f) |
843 | struct frame *f; | |
dc6f92b8 | 844 | { |
dbc4e1c1 | 845 | BLOCK_INPUT; |
dc6f92b8 | 846 | |
dbc4e1c1 JB |
847 | { |
848 | GC gc; | |
dc6f92b8 | 849 | |
dbc4e1c1 JB |
850 | /* Create a GC that will use the GXxor function to flip foreground pixels |
851 | into background pixels. */ | |
852 | { | |
853 | XGCValues values; | |
dc6f92b8 | 854 | |
dbc4e1c1 JB |
855 | values.function = GXxor; |
856 | values.foreground = (f->display.x->foreground_pixel | |
857 | ^ f->display.x->background_pixel); | |
858 | ||
859 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
860 | GCFunction | GCForeground, &values); | |
861 | } | |
dc6f92b8 | 862 | |
dbc4e1c1 JB |
863 | { |
864 | int width = PIXEL_WIDTH (f); | |
865 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 866 | |
dbc4e1c1 JB |
867 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
868 | width/4, height/4, width/2, height/2); | |
869 | XFlush (x_current_display); | |
dc6f92b8 | 870 | |
dbc4e1c1 JB |
871 | { |
872 | struct timeval wakeup, now; | |
dc6f92b8 | 873 | |
66c30ea1 | 874 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 875 | |
dbc4e1c1 JB |
876 | /* Compute time to wait until, propagating carry from usecs. */ |
877 | wakeup.tv_usec += 150000; | |
878 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
879 | wakeup.tv_usec %= 1000000; | |
880 | ||
881 | /* Keep waiting until past the time wakeup. */ | |
882 | while (1) | |
883 | { | |
884 | struct timeval timeout; | |
885 | ||
66c30ea1 | 886 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
887 | |
888 | /* In effect, timeout = wakeup - timeout. | |
889 | Break if result would be negative. */ | |
890 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
891 | break; | |
892 | ||
893 | /* Try to wait that long--but we might wake up sooner. */ | |
894 | select (0, 0, 0, 0, &timeout); | |
895 | } | |
896 | } | |
897 | ||
898 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
899 | width/4, height/4, width/2, height/2); | |
900 | XFreeGC (x_current_display, gc); | |
901 | XFlush (x_current_display); | |
dc6f92b8 | 902 | } |
dbc4e1c1 JB |
903 | } |
904 | ||
905 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
906 | } |
907 | ||
dbc4e1c1 JB |
908 | #endif |
909 | ||
910 | ||
dc6f92b8 JB |
911 | /* Make audible bell. */ |
912 | ||
913 | #ifdef HAVE_X11 | |
914 | #define XRINGBELL XBell(x_current_display, 0) | |
c118dd06 | 915 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 916 | #define XRINGBELL XFeep(0); |
c118dd06 | 917 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
918 | |
919 | XTring_bell () | |
920 | { | |
5a6ef893 RS |
921 | if (x_current_display == 0) |
922 | return; | |
923 | ||
dbc4e1c1 | 924 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 925 | if (visible_bell) |
f676886a | 926 | XTflash (selected_frame); |
dc6f92b8 | 927 | else |
dbc4e1c1 | 928 | #endif |
dc6f92b8 JB |
929 | { |
930 | BLOCK_INPUT; | |
931 | XRINGBELL; | |
932 | XFlushQueue (); | |
933 | UNBLOCK_INPUT; | |
934 | } | |
935 | } | |
936 | \f | |
f451eb13 JB |
937 | /* Insert and delete character. |
938 | These are not supposed to be used because we are supposed to turn | |
939 | off the feature of using them. */ | |
dc6f92b8 JB |
940 | |
941 | static | |
942 | XTinsert_glyphs (start, len) | |
943 | register char *start; | |
944 | register int len; | |
945 | { | |
946 | abort (); | |
947 | } | |
948 | ||
949 | static | |
950 | XTdelete_glyphs (n) | |
951 | register int n; | |
952 | { | |
953 | abort (); | |
954 | } | |
955 | \f | |
956 | /* Specify how many text lines, from the top of the window, | |
957 | should be affected by insert-lines and delete-lines operations. | |
958 | This, and those operations, are used only within an update | |
959 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
960 | ||
961 | static | |
962 | XTset_terminal_window (n) | |
963 | register int n; | |
964 | { | |
f676886a | 965 | if (updating_frame == 0) |
dc6f92b8 JB |
966 | abort (); |
967 | ||
f676886a JB |
968 | if ((n <= 0) || (n > updating_frame->height)) |
969 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
970 | else |
971 | flexlines = n; | |
972 | } | |
973 | \f | |
f451eb13 JB |
974 | /* Perform an insert-lines operation. |
975 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
976 | |
977 | static void | |
978 | stufflines (n) | |
979 | register int n; | |
980 | { | |
981 | register int topregion, bottomregion; | |
982 | register int length, newtop, mask; | |
f676886a JB |
983 | register struct frame *f = updating_frame; |
984 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
985 | |
986 | if (curs_y >= flexlines) | |
987 | return; | |
988 | ||
989 | topregion = curs_y; | |
990 | bottomregion = flexlines - (n + 1); | |
991 | newtop = topregion + n; | |
992 | length = (bottomregion - topregion) + 1; | |
993 | ||
994 | #ifndef HAVE_X11 | |
995 | dumpqueue (); | |
c118dd06 | 996 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
997 | |
998 | if ((length > 0) && (newtop <= flexlines)) | |
999 | { | |
1000 | #ifdef HAVE_X11 | |
c118dd06 JB |
1001 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1002 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 1003 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
1004 | f->width * FONT_WIDTH (f->display.x->font), |
1005 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 1006 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
1007 | #else /* ! defined (HAVE_X11) */ |
1008 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
1009 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
1010 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
1011 | f->width * FONT_WIDTH (f->display.x->font), |
1012 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
1013 | /* Now we must process any ExposeRegion events that occur |
1014 | if the area being copied from is obscured. | |
1015 | We can't let it wait because further i/d operations | |
1016 | may want to copy this area to another area. */ | |
1017 | x_read_exposes (); | |
c118dd06 | 1018 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1019 | } |
1020 | ||
1021 | newtop = min (newtop, (flexlines - 1)); | |
1022 | length = newtop - topregion; | |
1023 | if (length > 0) | |
1024 | { | |
1025 | #ifdef HAVE_X11 | |
c118dd06 | 1026 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1027 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
1028 | f->width * FONT_WIDTH (f->display.x->font), |
1029 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
1030 | #else /* ! defined (HAVE_X11) */ |
1031 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1032 | intborder, |
12ba150f | 1033 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
1034 | f->width * FONT_WIDTH (f->display.x->font), |
1035 | n * FONT_HEIGHT (f->display.x->font), | |
1036 | f->display.x->background_pixel); | |
c118dd06 | 1037 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1038 | } |
1039 | } | |
1040 | ||
1041 | /* Perform a delete-lines operation, deleting N lines | |
1042 | at a vertical position curs_y. */ | |
1043 | ||
1044 | static void | |
1045 | scraplines (n) | |
1046 | register int n; | |
1047 | { | |
1048 | int mask; | |
f676886a JB |
1049 | register struct frame *f = updating_frame; |
1050 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1051 | |
1052 | if (curs_y >= flexlines) | |
1053 | return; | |
1054 | ||
1055 | #ifndef HAVE_X11 | |
1056 | dumpqueue (); | |
c118dd06 | 1057 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1058 | |
1059 | if ((curs_y + n) >= flexlines) | |
1060 | { | |
1061 | if (flexlines >= (curs_y + 1)) | |
1062 | { | |
1063 | #ifdef HAVE_X11 | |
c118dd06 | 1064 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1065 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
1066 | f->width * FONT_WIDTH (f->display.x->font), |
1067 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
1068 | #else /* ! defined (HAVE_X11) */ |
1069 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 1070 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
1071 | f->width * FONT_WIDTH (f->display.x->font), |
1072 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
1073 | f->display.x->background_pixel); | |
c118dd06 | 1074 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1075 | } |
1076 | } | |
1077 | else | |
1078 | { | |
1079 | #ifdef HAVE_X11 | |
c118dd06 JB |
1080 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1081 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 1082 | intborder, |
12ba150f | 1083 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
1084 | f->width * FONT_WIDTH (f->display.x->font), |
1085 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 1086 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 1087 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 1088 | intborder, |
12ba150f | 1089 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
1090 | f->width * FONT_WIDTH (f->display.x->font), |
1091 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
1092 | #else /* ! defined (HAVE_X11) */ |
1093 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1094 | intborder, |
12ba150f JB |
1095 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
1096 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
1097 | f->width * FONT_WIDTH (f->display.x->font), |
1098 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
1099 | /* Now we must process any ExposeRegion events that occur |
1100 | if the area being copied from is obscured. | |
1101 | We can't let it wait because further i/d operations | |
1102 | may want to copy this area to another area. */ | |
1103 | x_read_exposes (); | |
c118dd06 | 1104 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 1105 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
1106 | f->width * FONT_WIDTH (f->display.x->font), |
1107 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 1108 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1109 | } |
1110 | } | |
1111 | ||
1112 | /* Perform an insert-lines or delete-lines operation, | |
1113 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1114 | ||
1115 | XTins_del_lines (vpos, n) | |
1116 | int vpos, n; | |
1117 | { | |
f676886a | 1118 | if (updating_frame == 0) |
dc6f92b8 JB |
1119 | abort (); |
1120 | ||
90e65f07 | 1121 | /* Hide the cursor. */ |
f676886a | 1122 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1123 | |
1124 | XTcursor_to (vpos, 0); | |
1125 | ||
1126 | BLOCK_INPUT; | |
1127 | if (n >= 0) | |
1128 | stufflines (n); | |
1129 | else | |
1130 | scraplines (-n); | |
1131 | XFlushQueue (); | |
1132 | UNBLOCK_INPUT; | |
1133 | } | |
1134 | \f | |
f451eb13 | 1135 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1136 | static void clear_cursor (); |
1137 | ||
f676886a JB |
1138 | /* Output into a rectangle of an X-window (for frame F) |
1139 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 JB |
1140 | TOP and LEFT are the position of the upper left corner of the rectangle. |
1141 | ROWS and COLS are the size of the rectangle. */ | |
1142 | ||
1143 | static void | |
f676886a JB |
1144 | dumprectangle (f, left, top, cols, rows) |
1145 | struct frame *f; | |
dc6f92b8 JB |
1146 | register int left, top, cols, rows; |
1147 | { | |
f676886a | 1148 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1149 | int cursor_cleared = 0; |
1150 | int bottom, right; | |
1151 | register int y; | |
1152 | ||
f676886a | 1153 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1154 | return; |
1155 | ||
dc6f92b8 JB |
1156 | /* Express rectangle as four edges, instead of position-and-size. */ |
1157 | bottom = top + rows; | |
1158 | right = left + cols; | |
1159 | ||
1160 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1161 | { |
1162 | int intborder = f->display.x->internal_border_width; | |
1163 | ||
1164 | /* If the rectangle includes any of the internal border area, | |
1165 | redisplay the border emphasis. */ | |
1166 | if (top < intborder || left < intborder | |
1167 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1168 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1169 | dumpborder (f, 0); | |
1170 | } | |
d065dd2e | 1171 | #endif /* HAVE_X11 Window manger does this for X11. */ |
dc6f92b8 JB |
1172 | |
1173 | /* Convert rectangle edges in pixels to edges in chars. | |
1174 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1175 | top = PIXEL_TO_CHAR_ROW (f, top); |
1176 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1177 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1178 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1179 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1180 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1181 | |
1182 | /* Clip the rectangle to what can be visible. */ | |
1183 | if (left < 0) | |
1184 | left = 0; | |
1185 | if (top < 0) | |
1186 | top = 0; | |
f676886a JB |
1187 | if (right > f->width) |
1188 | right = f->width; | |
1189 | if (bottom > f->height) | |
1190 | bottom = f->height; | |
dc6f92b8 JB |
1191 | |
1192 | /* Get size in chars of the rectangle. */ | |
1193 | cols = right - left; | |
1194 | rows = bottom - top; | |
1195 | ||
1196 | /* If rectangle has zero area, return. */ | |
1197 | if (rows <= 0) return; | |
1198 | if (cols <= 0) return; | |
1199 | ||
1200 | /* Turn off the cursor if it is in the rectangle. | |
1201 | We will turn it back on afterward. */ | |
f676886a JB |
1202 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1203 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1204 | { |
f676886a | 1205 | clear_cursor (f); |
dc6f92b8 JB |
1206 | cursor_cleared = 1; |
1207 | } | |
1208 | ||
1209 | /* Display the text in the rectangle, one text line at a time. */ | |
1210 | ||
1211 | for (y = top; y < bottom; y++) | |
1212 | { | |
f676886a | 1213 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1214 | |
f676886a | 1215 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1216 | continue; |
1217 | ||
f676886a | 1218 | dumpglyphs (f, |
12ba150f JB |
1219 | CHAR_TO_PIXEL_COL (f, left), |
1220 | CHAR_TO_PIXEL_ROW (f, y), | |
1221 | line, min (cols, active_frame->used[y] - left), | |
07e34cb0 | 1222 | active_frame->highlight[y]); |
dc6f92b8 JB |
1223 | } |
1224 | ||
1225 | /* Turn the cursor on if we turned it off. */ | |
1226 | ||
1227 | if (cursor_cleared) | |
f676886a | 1228 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1229 | } |
1230 | ||
1231 | #ifndef HAVE_X11 | |
1232 | /* Process all queued ExposeRegion events. */ | |
1233 | ||
1234 | static void | |
1235 | dumpqueue () | |
1236 | { | |
1237 | register int i; | |
1238 | XExposeRegionEvent r; | |
1239 | ||
1240 | while (dequeue_event (&r, &x_expose_queue)) | |
1241 | { | |
f676886a JB |
1242 | struct frame *f = x_window_to_frame (r.window); |
1243 | if (f->display.x->icon_desc == r.window) | |
1244 | refreshicon (f); | |
dc6f92b8 | 1245 | else |
f676886a | 1246 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1247 | } |
1248 | XFlushQueue (); | |
1249 | } | |
c118dd06 | 1250 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1251 | \f |
f451eb13 | 1252 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1253 | Redraws the cursor if necessary on any frame that |
1254 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1255 | |
f451eb13 | 1256 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1257 | static void |
1258 | x_do_pending_expose () | |
1259 | { | |
1260 | int mask; | |
f676886a JB |
1261 | struct frame *f; |
1262 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1263 | |
1264 | if (expose_all_windows) | |
1265 | { | |
1266 | expose_all_windows = 0; | |
f676886a | 1267 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1268 | { |
1269 | register int temp_width, temp_height; | |
1270 | int intborder; | |
1271 | ||
f676886a | 1272 | frame = XCONS (tail)->car; |
ab648270 | 1273 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1274 | continue; |
f676886a | 1275 | f = XFRAME (frame); |
b1c884c3 | 1276 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1277 | continue; |
3a88c238 | 1278 | if (!f->async_visible) |
dc6f92b8 | 1279 | continue; |
f676886a | 1280 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1281 | continue; |
1282 | ||
f676886a | 1283 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1284 | |
f676886a | 1285 | clear_cursor (f); |
c118dd06 | 1286 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1287 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1288 | - f->display.x->v_scroll_bar_width) |
f676886a | 1289 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1290 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1291 | - f->display.x->h_scroll_bar_height) |
f676886a JB |
1292 | / FONT_HEIGHT (f->display.x->font)); |
1293 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1294 | { |
f676886a | 1295 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1296 | max (1, temp_width), 0, 1); |
ab648270 | 1297 | x_resize_scroll_bars (f); |
dc6f92b8 | 1298 | } |
f676886a JB |
1299 | f->display.x->left_pos = windowinfo.x; |
1300 | f->display.x->top_pos = windowinfo.y; | |
1301 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1302 | #if 0 |
f676886a | 1303 | dumpborder (f, 0); |
c118dd06 | 1304 | #endif /* ! 0 */ |
f676886a JB |
1305 | f->display.x->needs_exposure = 0; |
1306 | if (updating_frame != f) | |
1307 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1308 | XFlushQueue (); |
1309 | } | |
1310 | } | |
1311 | else | |
1312 | /* Handle any individual-rectangle expose events queued | |
1313 | for various windows. */ | |
1314 | #ifdef HAVE_X11 | |
1315 | ; | |
c118dd06 | 1316 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1317 | dumpqueue (); |
c118dd06 | 1318 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1319 | } |
f451eb13 | 1320 | #endif |
dc6f92b8 JB |
1321 | |
1322 | #ifdef HAVE_X11 | |
1323 | static void | |
f676886a JB |
1324 | frame_highlight (frame) |
1325 | struct frame *frame; | |
dc6f92b8 | 1326 | { |
b3e1e05c JB |
1327 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1328 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1329 | and border pixel are window attributes which are "private to the | |
1330 | client", so we can always change it to whatever we want. */ | |
1331 | BLOCK_INPUT; | |
1332 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), | |
1333 | frame->display.x->border_pixel); | |
1334 | UNBLOCK_INPUT; | |
f676886a | 1335 | x_display_cursor (frame, 1); |
dc6f92b8 JB |
1336 | } |
1337 | ||
1338 | static void | |
f676886a JB |
1339 | frame_unhighlight (frame) |
1340 | struct frame *frame; | |
dc6f92b8 | 1341 | { |
b3e1e05c JB |
1342 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1343 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1344 | and border pixel are window attributes which are "private to the | |
1345 | client", so we can always change it to whatever we want. */ | |
1346 | BLOCK_INPUT; | |
1347 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), | |
1348 | frame->display.x->border_tile); | |
1349 | UNBLOCK_INPUT; | |
f676886a | 1350 | x_display_cursor (frame, 1); |
dc6f92b8 | 1351 | } |
c118dd06 | 1352 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1353 | /* Dump the border-emphasis of frame F. |
1354 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1355 | just within the border, occupying a portion of the internal border. |
f676886a | 1356 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1357 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1358 | ||
f676886a | 1359 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1360 | In that case, we also turn the cursor off and on again |
1361 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1362 | ||
1363 | static void | |
f676886a JB |
1364 | dumpborder (f, always) |
1365 | struct frame *f; | |
dc6f92b8 JB |
1366 | int always; |
1367 | { | |
f676886a JB |
1368 | int thickness = f->display.x->internal_border_width / 2; |
1369 | int width = PIXEL_WIDTH (f); | |
1370 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1371 | int pixel; |
1372 | ||
f676886a | 1373 | if (f != selected_frame) |
dc6f92b8 JB |
1374 | { |
1375 | if (!always) | |
1376 | return; | |
1377 | ||
f676886a | 1378 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1379 | } |
1380 | else | |
1381 | { | |
f676886a | 1382 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1383 | } |
1384 | ||
c118dd06 JB |
1385 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1386 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1387 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1388 | thickness, pixel); |
c118dd06 | 1389 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1390 | height, pixel); |
1391 | ||
1392 | if (always) | |
f676886a | 1393 | x_display_cursor (f, 1); |
dc6f92b8 | 1394 | } |
c118dd06 | 1395 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1396 | |
f676886a | 1397 | static void XTframe_rehighlight (); |
6d4238f3 | 1398 | |
f676886a JB |
1399 | /* The focus has changed. Update the frames as necessary to reflect |
1400 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1401 | here, because the lisp code we are interrupting might become confused. |
eb8c3be9 | 1402 | Each event gets marked with the frame in which it occurred, so the |
6d4238f3 | 1403 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1404 | |
6d4238f3 | 1405 | static void |
f676886a JB |
1406 | x_new_focus_frame (frame) |
1407 | struct frame *frame; | |
dc6f92b8 | 1408 | { |
f676886a | 1409 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1410 | int events_enqueued = 0; |
1411 | ||
f676886a | 1412 | if (frame != x_focus_frame) |
dc6f92b8 | 1413 | { |
6d4238f3 | 1414 | /* Set this before calling other routines, so that they see |
f676886a JB |
1415 | the correct value of x_focus_frame. */ |
1416 | x_focus_frame = frame; | |
6d4238f3 JB |
1417 | |
1418 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1419 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1420 | |
1421 | #if 0 | |
f676886a JB |
1422 | selected_frame = frame; |
1423 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1424 | Lisp_Frame, selected_frame); | |
1425 | Fselect_window (selected_frame->selected_window); | |
1426 | choose_minibuf_frame (); | |
c118dd06 | 1427 | #endif /* ! 0 */ |
dc6f92b8 | 1428 | |
f676886a JB |
1429 | if (x_focus_frame && x_focus_frame->auto_raise) |
1430 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1431 | } |
dc6f92b8 | 1432 | |
f676886a | 1433 | XTframe_rehighlight (); |
6d4238f3 JB |
1434 | } |
1435 | ||
1436 | ||
f451eb13 JB |
1437 | /* The focus has changed, or we have redirected a frame's focus to |
1438 | another frame (this happens when a frame uses a surrogate | |
1439 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1440 | static void |
f676886a | 1441 | XTframe_rehighlight () |
6d4238f3 | 1442 | { |
f676886a | 1443 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1444 | |
f676886a | 1445 | if (x_focus_frame) |
6d4238f3 | 1446 | { |
f451eb13 | 1447 | x_highlight_frame = |
ab648270 | 1448 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1449 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1450 | : x_focus_frame); | |
1451 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1452 | { | |
1453 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1454 | x_highlight_frame = x_focus_frame; | |
1455 | } | |
dc6f92b8 | 1456 | } |
6d4238f3 | 1457 | else |
f676886a | 1458 | x_highlight_frame = 0; |
dc6f92b8 | 1459 | |
f676886a | 1460 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1461 | { |
1462 | if (old_highlight) | |
f676886a JB |
1463 | frame_unhighlight (old_highlight); |
1464 | if (x_highlight_frame) | |
1465 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1466 | } |
dc6f92b8 JB |
1467 | } |
1468 | \f | |
e4571a43 | 1469 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1470 | |
28430d3c JB |
1471 | /* Which modifier keys are on which modifier bits? |
1472 | ||
1473 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1474 | keys were held down when the key was pressed. The interpretation |
1475 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1476 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1477 | is the meta bit. | |
1478 | ||
1479 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1480 | It may have more than one bit set, if more than one modifier bit | |
1481 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1482 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1483 | ||
1484 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1485 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1486 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1487 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1488 | arrangement, the lock modifier should shift the character if | |
1489 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1490 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1491 | |
a3c44b14 RS |
1492 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1493 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1494 | ||
28430d3c JB |
1495 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1496 | static void | |
1497 | x_find_modifier_meanings () | |
1498 | { | |
f689eb05 | 1499 | int min_code, max_code; |
28430d3c JB |
1500 | KeySym *syms; |
1501 | int syms_per_code; | |
1502 | XModifierKeymap *mods; | |
1503 | ||
1504 | x_meta_mod_mask = 0; | |
11edeb03 | 1505 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1506 | x_alt_mod_mask = 0; |
1507 | x_super_mod_mask = 0; | |
1508 | x_hyper_mod_mask = 0; | |
28430d3c | 1509 | |
9658a521 | 1510 | #ifdef HAVE_X11R4 |
28430d3c | 1511 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1512 | #else |
1513 | min_code = x_current_display->min_keycode; | |
1514 | max_code = x_current_display->max_keycode; | |
1515 | #endif | |
1516 | ||
28430d3c JB |
1517 | syms = XGetKeyboardMapping (x_current_display, |
1518 | min_code, max_code - min_code + 1, | |
1519 | &syms_per_code); | |
1520 | mods = XGetModifierMapping (x_current_display); | |
1521 | ||
11edeb03 JB |
1522 | /* Scan the modifier table to see which modifier bits the Meta and |
1523 | Alt keysyms are on. */ | |
28430d3c JB |
1524 | { |
1525 | int row, col; /* The row and column in the modifier table. */ | |
1526 | ||
1527 | for (row = 3; row < 8; row++) | |
1528 | for (col = 0; col < mods->max_keypermod; col++) | |
1529 | { | |
1530 | KeyCode code = | |
1531 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1532 | ||
1533 | /* Are any of this keycode's keysyms a meta key? */ | |
1534 | { | |
1535 | int code_col; | |
1536 | ||
1537 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1538 | { | |
f689eb05 | 1539 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1540 | |
f689eb05 | 1541 | switch (sym) |
28430d3c | 1542 | { |
f689eb05 JB |
1543 | case XK_Meta_L: |
1544 | case XK_Meta_R: | |
28430d3c JB |
1545 | x_meta_mod_mask |= (1 << row); |
1546 | break; | |
f689eb05 JB |
1547 | |
1548 | case XK_Alt_L: | |
1549 | case XK_Alt_R: | |
a3c44b14 RS |
1550 | x_alt_mod_mask |= (1 << row); |
1551 | break; | |
1552 | ||
1553 | case XK_Hyper_L: | |
1554 | case XK_Hyper_R: | |
1555 | x_hyper_mod_mask |= (1 << row); | |
1556 | break; | |
1557 | ||
1558 | case XK_Super_L: | |
1559 | case XK_Super_R: | |
1560 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1561 | break; |
11edeb03 JB |
1562 | |
1563 | case XK_Shift_Lock: | |
1564 | /* Ignore this if it's not on the lock modifier. */ | |
1565 | if ((1 << row) == LockMask) | |
1566 | x_shift_lock_mask = LockMask; | |
1567 | break; | |
28430d3c JB |
1568 | } |
1569 | } | |
1570 | } | |
1571 | } | |
1572 | } | |
1573 | ||
f689eb05 JB |
1574 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1575 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1576 | { |
1577 | x_meta_mod_mask = x_alt_mod_mask; | |
1578 | x_alt_mod_mask = 0; | |
1579 | } | |
f689eb05 | 1580 | |
148c4b70 RS |
1581 | /* If some keys are both alt and meta, |
1582 | make them just meta, not alt. */ | |
1583 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1584 | { | |
1585 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1586 | } | |
1587 | ||
28430d3c | 1588 | XFree ((char *) syms); |
f689eb05 | 1589 | XFreeModifiermap (mods); |
28430d3c JB |
1590 | } |
1591 | ||
1592 | ||
dfeccd2d JB |
1593 | /* Convert between the modifier bits X uses and the modifier bits |
1594 | Emacs uses. */ | |
7c5283e4 | 1595 | static unsigned int |
dfeccd2d | 1596 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1597 | unsigned int state; |
1598 | { | |
11edeb03 JB |
1599 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1600 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1601 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1602 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1603 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1604 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1605 | } |
1606 | ||
dfeccd2d JB |
1607 | static unsigned int |
1608 | x_emacs_to_x_modifiers (state) | |
1609 | unsigned int state; | |
1610 | { | |
1611 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1612 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1613 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1614 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1615 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1616 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1617 | } | |
1618 | ||
e4571a43 JB |
1619 | /* Return true iff KEYSYM is a vendor-specific keysym that we should |
1620 | return as a function key. If you add a keysym to this, you should | |
1621 | make sure that the tables make_lispy_event uses contain a suitable | |
1622 | name for it. */ | |
1623 | static int | |
1624 | x_is_vendor_fkey (sym) | |
1625 | KeySym sym; | |
1626 | { | |
1627 | return 0 | |
1628 | #ifdef DXK_Remove | |
1629 | || (sym == DXK_Remove) | |
1630 | #endif | |
1631 | ; | |
1632 | } | |
1633 | ||
1634 | \f | |
1635 | /* Mouse clicks and mouse movement. Rah. */ | |
1636 | #ifdef HAVE_X11 | |
1637 | ||
1638 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1639 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1640 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1641 | If NOCLIP is nonzero, do not force the value into range. */ | |
1642 | ||
e4571a43 | 1643 | static void |
69388238 | 1644 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1645 | FRAME_PTR f; |
69388238 | 1646 | register int pix_x, pix_y; |
e4571a43 JB |
1647 | register int *x, *y; |
1648 | XRectangle *bounds; | |
69388238 | 1649 | int noclip; |
e4571a43 | 1650 | { |
69388238 RS |
1651 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1652 | even for negative values. */ | |
1653 | if (pix_x < 0) | |
1654 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1655 | if (pix_y < 0) | |
1656 | pix_y -= FONT_HEIGHT ((f)->display.x->font) - 1; | |
1657 | ||
e4571a43 JB |
1658 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1659 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1660 | ||
1661 | if (bounds) | |
1662 | { | |
1663 | bounds->width = FONT_WIDTH (f->display.x->font); | |
1664 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1665 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1666 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1667 | } | |
1668 | ||
69388238 RS |
1669 | if (!noclip) |
1670 | { | |
1671 | if (pix_x < 0) | |
1672 | pix_x = 0; | |
1673 | else if (pix_x > f->width) | |
1674 | pix_x = f->width; | |
1675 | ||
1676 | if (pix_y < 0) | |
1677 | pix_y = 0; | |
1678 | else if (pix_y > f->height) | |
1679 | pix_y = f->height; | |
1680 | } | |
e4571a43 JB |
1681 | |
1682 | *x = pix_x; | |
1683 | *y = pix_y; | |
1684 | } | |
1685 | ||
dc6f92b8 JB |
1686 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1687 | ||
1688 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1689 | the mouse. */ |
dc6f92b8 JB |
1690 | |
1691 | static Lisp_Object | |
f451eb13 | 1692 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1693 | struct input_event *result; |
1694 | XButtonEvent *event; | |
f676886a | 1695 | struct frame *f; |
dc6f92b8 | 1696 | { |
f451eb13 | 1697 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1698 | otherwise. */ |
f451eb13 | 1699 | result->kind = mouse_click; |
69388238 | 1700 | result->code = event->button - Button1; |
1113d9db | 1701 | result->timestamp = event->time; |
dfeccd2d | 1702 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
1703 | | (event->type == ButtonRelease |
1704 | ? up_modifier | |
1705 | : down_modifier)); | |
dc6f92b8 JB |
1706 | |
1707 | /* Notice if the mouse is still grabbed. */ | |
1708 | if (event->type == ButtonPress) | |
1709 | { | |
1710 | if (! x_mouse_grabbed) | |
1711 | Vmouse_depressed = Qt; | |
90e65f07 | 1712 | x_mouse_grabbed |= (1 << event->button); |
69388238 | 1713 | last_mouse_frame = f; |
dc6f92b8 JB |
1714 | } |
1715 | else if (event->type == ButtonRelease) | |
1716 | { | |
90e65f07 | 1717 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1718 | if (!x_mouse_grabbed) |
1719 | Vmouse_depressed = Qnil; | |
1720 | } | |
1721 | ||
f451eb13 JB |
1722 | { |
1723 | int row, column; | |
dc6f92b8 | 1724 | |
69388238 | 1725 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
f451eb13 JB |
1726 | XFASTINT (result->x) = column; |
1727 | XFASTINT (result->y) = row; | |
12ba150f | 1728 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1729 | } |
dc6f92b8 | 1730 | } |
69388238 | 1731 | \f |
90e65f07 JB |
1732 | /* Function to report a mouse movement to the mainstream Emacs code. |
1733 | The input handler calls this. | |
1734 | ||
1735 | We have received a mouse movement event, which is given in *event. | |
1736 | If the mouse is over a different glyph than it was last time, tell | |
1737 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1738 | another motion event, so we can check again the next time it moves. */ | |
1739 | static void | |
12ba150f | 1740 | note_mouse_movement (frame, event) |
f676886a | 1741 | FRAME_PTR frame; |
90e65f07 JB |
1742 | XMotionEvent *event; |
1743 | ||
1744 | { | |
e5d77022 JB |
1745 | last_mouse_movement_time = event->time; |
1746 | ||
90e65f07 JB |
1747 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1748 | if (event->x < last_mouse_glyph.x | |
1749 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1750 | || event->y < last_mouse_glyph.y | |
1751 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1752 | { |
1753 | mouse_moved = 1; | |
ab648270 | 1754 | last_mouse_scroll_bar = Qnil; |
12ba150f | 1755 | } |
90e65f07 JB |
1756 | else |
1757 | { | |
1758 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1759 | event the next time the mouse moves and we can see if it's | |
1760 | *still* on the same glyph. */ | |
1761 | int dummy; | |
1762 | ||
1763 | XQueryPointer (event->display, event->window, | |
1764 | (Window *) &dummy, (Window *) &dummy, | |
1765 | &dummy, &dummy, &dummy, &dummy, | |
1766 | (unsigned int *) &dummy); | |
1767 | } | |
1768 | } | |
1769 | ||
ab648270 JB |
1770 | static struct scroll_bar *x_window_to_scroll_bar (); |
1771 | static void x_scroll_bar_report_motion (); | |
12ba150f | 1772 | |
90e65f07 JB |
1773 | /* Return the current position of the mouse. |
1774 | ||
ab648270 JB |
1775 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
1776 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 1777 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 1778 | position on the scroll bar. |
12ba150f JB |
1779 | |
1780 | If the mouse movement started elsewhere, set *f to the frame the | |
1781 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1782 | the mouse is over. | |
1783 | ||
1784 | Set *time to the server timestamp for the time at which the mouse | |
1785 | was at this position. | |
1786 | ||
a135645a RS |
1787 | Don't store anything if we don't have a valid set of values to report. |
1788 | ||
90e65f07 | 1789 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1790 | movement. This also calls XQueryPointer, which will cause the |
1791 | server to give us another MotionNotify when the mouse moves | |
1792 | again. */ | |
90e65f07 JB |
1793 | |
1794 | static void | |
12ba150f | 1795 | XTmouse_position (f, bar_window, part, x, y, time) |
472895ad | 1796 | FRAME_PTR *f; |
12ba150f | 1797 | Lisp_Object *bar_window; |
ab648270 | 1798 | enum scroll_bar_part *part; |
90e65f07 | 1799 | Lisp_Object *x, *y; |
e5d77022 | 1800 | unsigned long *time; |
90e65f07 | 1801 | { |
a135645a RS |
1802 | FRAME_PTR f1; |
1803 | ||
90e65f07 JB |
1804 | BLOCK_INPUT; |
1805 | ||
ab648270 JB |
1806 | if (! NILP (last_mouse_scroll_bar)) |
1807 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1808 | else |
1809 | { | |
12ba150f JB |
1810 | Window root; |
1811 | int root_x, root_y; | |
90e65f07 | 1812 | |
12ba150f JB |
1813 | Window dummy_window; |
1814 | int dummy; | |
1815 | ||
1816 | mouse_moved = 0; | |
ab648270 | 1817 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
1818 | |
1819 | /* Figure out which root window we're on. */ | |
1820 | XQueryPointer (x_current_display, | |
1821 | DefaultRootWindow (x_current_display), | |
1822 | ||
1823 | /* The root window which contains the pointer. */ | |
1824 | &root, | |
1825 | ||
1826 | /* Trash which we can't trust if the pointer is on | |
1827 | a different screen. */ | |
1828 | &dummy_window, | |
1829 | ||
1830 | /* The position on that root window. */ | |
1831 | &root_x, &root_y, | |
1832 | ||
1833 | /* More trash we can't trust. */ | |
1834 | &dummy, &dummy, | |
1835 | ||
1836 | /* Modifier keys and pointer buttons, about which | |
1837 | we don't care. */ | |
1838 | (unsigned int *) &dummy); | |
1839 | ||
1840 | /* Now we have a position on the root; find the innermost window | |
1841 | containing the pointer. */ | |
1842 | { | |
1843 | Window win, child; | |
1844 | int win_x, win_y; | |
1845 | int parent_x, parent_y; | |
1846 | ||
1847 | win = root; | |
69388238 RS |
1848 | |
1849 | if (x_mouse_grabbed) | |
12ba150f | 1850 | { |
69388238 RS |
1851 | /* If mouse was grabbed on a frame, give coords for that frame |
1852 | even if the mouse is now outside it. */ | |
12ba150f | 1853 | XTranslateCoordinates (x_current_display, |
69388238 | 1854 | |
12ba150f | 1855 | /* From-window, to-window. */ |
69388238 | 1856 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
1857 | |
1858 | /* From-position, to-position. */ | |
1859 | root_x, root_y, &win_x, &win_y, | |
1860 | ||
1861 | /* Child of win. */ | |
1862 | &child); | |
69388238 RS |
1863 | f1 = last_mouse_frame; |
1864 | } | |
1865 | else | |
1866 | { | |
1867 | while (1) | |
1868 | { | |
1869 | XTranslateCoordinates (x_current_display, | |
12ba150f | 1870 | |
69388238 RS |
1871 | /* From-window, to-window. */ |
1872 | root, win, | |
12ba150f | 1873 | |
69388238 RS |
1874 | /* From-position, to-position. */ |
1875 | root_x, root_y, &win_x, &win_y, | |
1876 | ||
1877 | /* Child of win. */ | |
1878 | &child); | |
1879 | ||
1880 | if (child == None) | |
1881 | break; | |
1882 | ||
1883 | win = child; | |
1884 | parent_x = win_x; | |
1885 | parent_y = win_y; | |
1886 | } | |
12ba150f | 1887 | |
69388238 RS |
1888 | /* Now we know that: |
1889 | win is the innermost window containing the pointer | |
1890 | (XTC says it has no child containing the pointer), | |
1891 | win_x and win_y are the pointer's position in it | |
1892 | (XTC did this the last time through), and | |
1893 | parent_x and parent_y are the pointer's position in win's parent. | |
1894 | (They are what win_x and win_y were when win was child. | |
1895 | If win is the root window, it has no parent, and | |
1896 | parent_{x,y} are invalid, but that's okay, because we'll | |
1897 | never use them in that case.) */ | |
1898 | ||
1899 | /* Is win one of our frames? */ | |
1900 | f1 = x_window_to_frame (win); | |
1901 | } | |
12ba150f | 1902 | |
ab648270 | 1903 | /* If not, is it one of our scroll bars? */ |
a135645a | 1904 | if (! f1) |
12ba150f | 1905 | { |
ab648270 | 1906 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
1907 | |
1908 | if (bar) | |
1909 | { | |
a135645a | 1910 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
1911 | win_x = parent_x; |
1912 | win_y = parent_y; | |
1913 | } | |
1914 | } | |
90e65f07 | 1915 | |
a135645a | 1916 | if (f1) |
12ba150f | 1917 | { |
a135645a RS |
1918 | /* Ok, we found a frame. Convert from pixels to characters |
1919 | and store all the values. */ | |
1920 | ||
1921 | pixel_to_glyph_coords (f1, win_x, win_y, &win_x, &win_y, | |
69388238 | 1922 | &last_mouse_glyph, x_mouse_grabbed); |
12ba150f JB |
1923 | |
1924 | *bar_window = Qnil; | |
1925 | *part = 0; | |
a135645a | 1926 | *f = f1; |
12ba150f JB |
1927 | XSET (*x, Lisp_Int, win_x); |
1928 | XSET (*y, Lisp_Int, win_y); | |
1929 | *time = last_mouse_movement_time; | |
1930 | } | |
1931 | } | |
1932 | } | |
90e65f07 JB |
1933 | |
1934 | UNBLOCK_INPUT; | |
1935 | } | |
1936 | ||
c118dd06 | 1937 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1938 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1939 | #endif /* ! defined (HAVE_X11) */ |
1940 | \f | |
ab648270 | 1941 | /* Scroll bar support. */ |
f451eb13 | 1942 | |
ab648270 JB |
1943 | /* Given an X window ID, find the struct scroll_bar which manages it. |
1944 | This can be called in GC, so we have to make sure to strip off mark | |
1945 | bits. */ | |
1946 | static struct scroll_bar * | |
1947 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
1948 | Window window_id; |
1949 | { | |
1950 | Lisp_Object tail, frame; | |
f451eb13 | 1951 | |
ab648270 JB |
1952 | for (tail = Vframe_list; |
1953 | XGCTYPE (tail) == Lisp_Cons; | |
1954 | tail = XCONS (tail)->cdr) | |
f451eb13 | 1955 | { |
f451eb13 | 1956 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1957 | Lisp_Object bar, condemned; |
f451eb13 JB |
1958 | |
1959 | /* All elements of Vframe_list should be frames. */ | |
ab648270 | 1960 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
1961 | abort (); |
1962 | ||
ab648270 | 1963 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 1964 | right window ID. */ |
ab648270 JB |
1965 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
1966 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 1967 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
1968 | condemned scroll bar lists with one loop. */ |
1969 | ! GC_NILP (bar) || (bar = condemned, | |
1970 | condemned = Qnil, | |
1971 | ! GC_NILP (bar)); | |
1972 | bar = XSCROLL_BAR(bar)->next) | |
1973 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) | |
1974 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
1975 | } |
1976 | ||
1977 | return 0; | |
1978 | } | |
1979 | ||
ab648270 JB |
1980 | /* Open a new X window to serve as a scroll bar, and return the |
1981 | scroll bar vector for it. */ | |
1982 | static struct scroll_bar * | |
1983 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 1984 | struct window *window; |
f451eb13 JB |
1985 | int top, left, width, height; |
1986 | { | |
12ba150f | 1987 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
1988 | struct scroll_bar *bar = |
1989 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
1990 | |
1991 | BLOCK_INPUT; | |
1992 | ||
1993 | { | |
1994 | XSetWindowAttributes a; | |
1995 | unsigned long mask; | |
1996 | ||
12ba150f JB |
1997 | a.background_pixel = frame->display.x->background_pixel; |
1998 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 1999 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2000 | | ExposureMask); |
ab648270 | 2001 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 2002 | |
dbc4e1c1 | 2003 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2004 | |
ab648270 | 2005 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
2006 | (bar, |
2007 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 2008 | |
ab648270 | 2009 | /* Position and size of scroll bar. */ |
12ba150f | 2010 | left, top, width, height, |
f451eb13 | 2011 | |
12ba150f JB |
2012 | /* Border width, depth, class, and visual. */ |
2013 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2014 | |
12ba150f JB |
2015 | /* Attributes. */ |
2016 | mask, &a)); | |
f451eb13 JB |
2017 | } |
2018 | ||
12ba150f JB |
2019 | XSET (bar->window, Lisp_Window, window); |
2020 | XSET (bar->top, Lisp_Int, top); | |
2021 | XSET (bar->left, Lisp_Int, left); | |
2022 | XSET (bar->width, Lisp_Int, width); | |
2023 | XSET (bar->height, Lisp_Int, height); | |
2024 | XSET (bar->start, Lisp_Int, 0); | |
2025 | XSET (bar->end, Lisp_Int, 0); | |
2026 | bar->dragging = Qnil; | |
f451eb13 JB |
2027 | |
2028 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 2029 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 2030 | bar->prev = Qnil; |
ab648270 | 2031 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 2032 | if (! NILP (bar->next)) |
ab648270 | 2033 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 2034 | |
ab648270 | 2035 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2036 | |
2037 | UNBLOCK_INPUT; | |
12ba150f JB |
2038 | |
2039 | return bar; | |
f451eb13 JB |
2040 | } |
2041 | ||
12ba150f JB |
2042 | /* Draw BAR's handle in the proper position. |
2043 | If the handle is already drawn from START to END, don't bother | |
2044 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2045 | redraw it. (REBUILD is handy for drawing the handle after expose | |
2046 | events.) | |
2047 | ||
2048 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2049 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2050 | handle, we want to let them drag it down all the way, so that the |
2051 | bar's top is as far down as it goes; otherwise, there's no way to | |
2052 | move to the very end of the buffer. */ | |
f451eb13 | 2053 | static void |
ab648270 JB |
2054 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2055 | struct scroll_bar *bar; | |
f451eb13 | 2056 | int start, end; |
12ba150f | 2057 | int rebuild; |
f451eb13 | 2058 | { |
12ba150f | 2059 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2060 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2061 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2062 | ||
2063 | /* If the display is already accurate, do nothing. */ | |
2064 | if (! rebuild | |
2065 | && start == XINT (bar->start) | |
2066 | && end == XINT (bar->end)) | |
2067 | return; | |
2068 | ||
f451eb13 JB |
2069 | BLOCK_INPUT; |
2070 | ||
2071 | { | |
ab648270 JB |
2072 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2073 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2074 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2075 | |
2076 | /* Make sure the values are reasonable, and try to preserve | |
2077 | the distance between start and end. */ | |
12ba150f JB |
2078 | { |
2079 | int length = end - start; | |
2080 | ||
2081 | if (start < 0) | |
2082 | start = 0; | |
2083 | else if (start > top_range) | |
2084 | start = top_range; | |
2085 | end = start + length; | |
2086 | ||
2087 | if (end < start) | |
2088 | end = start; | |
2089 | else if (end > top_range && ! dragging) | |
2090 | end = top_range; | |
2091 | } | |
f451eb13 | 2092 | |
ab648270 | 2093 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
2094 | XSET (bar->start, Lisp_Int, start); |
2095 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 2096 | |
12ba150f JB |
2097 | /* Clip the end position, just for display. */ |
2098 | if (end > top_range) | |
2099 | end = top_range; | |
f451eb13 | 2100 | |
ab648270 | 2101 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2102 | below top positions, to make sure the handle is always at least |
2103 | that many pixels tall. */ | |
ab648270 | 2104 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2105 | |
12ba150f JB |
2106 | /* Draw the empty space above the handle. Note that we can't clear |
2107 | zero-height areas; that means "clear to end of window." */ | |
2108 | if (0 < start) | |
2109 | XClearArea (x_current_display, w, | |
f451eb13 | 2110 | |
12ba150f | 2111 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2112 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2113 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2114 | inside_width, start, |
2115 | False); | |
f451eb13 | 2116 | |
12ba150f JB |
2117 | /* Draw the handle itself. */ |
2118 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2119 | |
12ba150f | 2120 | /* x, y, width, height */ |
ab648270 JB |
2121 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2122 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2123 | inside_width, end - start); |
f451eb13 | 2124 | |
f451eb13 | 2125 | |
12ba150f JB |
2126 | /* Draw the empty space below the handle. Note that we can't |
2127 | clear zero-height areas; that means "clear to end of window." */ | |
2128 | if (end < inside_height) | |
2129 | XClearArea (x_current_display, w, | |
f451eb13 | 2130 | |
12ba150f | 2131 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2132 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2133 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2134 | inside_width, inside_height - end, |
2135 | False); | |
f451eb13 | 2136 | |
f451eb13 JB |
2137 | } |
2138 | ||
f451eb13 JB |
2139 | UNBLOCK_INPUT; |
2140 | } | |
2141 | ||
eb8c3be9 | 2142 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2143 | window configurations. */ |
f451eb13 | 2144 | static void |
ab648270 JB |
2145 | x_scroll_bar_move (bar, top, left, width, height) |
2146 | struct scroll_bar *bar; | |
f451eb13 JB |
2147 | int top, left, width, height; |
2148 | { | |
2149 | BLOCK_INPUT; | |
2150 | ||
2151 | { | |
2152 | XWindowChanges wc; | |
2153 | unsigned int mask = 0; | |
2154 | ||
2155 | wc.x = left; | |
2156 | wc.y = top; | |
2157 | wc.width = width; | |
2158 | wc.height = height; | |
2159 | ||
12ba150f JB |
2160 | if (left != XINT (bar->left)) mask |= CWX; |
2161 | if (top != XINT (bar->top)) mask |= CWY; | |
2162 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2163 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2164 | ||
2165 | if (mask) | |
ab648270 | 2166 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2167 | mask, &wc); |
f451eb13 JB |
2168 | } |
2169 | ||
12ba150f JB |
2170 | XSET (bar->left, Lisp_Int, left); |
2171 | XSET (bar->top, Lisp_Int, top); | |
2172 | XSET (bar->width, Lisp_Int, width); | |
2173 | XSET (bar->height, Lisp_Int, height); | |
2174 | ||
f451eb13 JB |
2175 | UNBLOCK_INPUT; |
2176 | } | |
2177 | ||
ab648270 | 2178 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2179 | to nil. */ |
2180 | static void | |
ab648270 JB |
2181 | x_scroll_bar_remove (bar) |
2182 | struct scroll_bar *bar; | |
12ba150f JB |
2183 | { |
2184 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2185 | ||
2186 | BLOCK_INPUT; | |
2187 | ||
2188 | /* Destroy the window. */ | |
ab648270 | 2189 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2190 | |
ab648270 JB |
2191 | /* Disassociate this scroll bar from its window. */ |
2192 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2193 | |
2194 | UNBLOCK_INPUT; | |
2195 | } | |
2196 | ||
2197 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2198 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2199 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2200 | create one. */ |
2201 | static void | |
ab648270 | 2202 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2203 | struct window *window; |
2204 | int portion, whole, position; | |
2205 | { | |
2206 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2207 | int top = XINT (window->top); |
ab648270 JB |
2208 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2209 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2210 | |
ab648270 | 2211 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2212 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2213 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2214 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2215 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2216 | |
ab648270 | 2217 | struct scroll_bar *bar; |
12ba150f | 2218 | |
ab648270 JB |
2219 | /* Does the scroll bar exist yet? */ |
2220 | if (NILP (window->vertical_scroll_bar)) | |
2221 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2222 | pixel_top, pixel_left, |
2223 | pixel_width, pixel_height); | |
2224 | else | |
12ba150f JB |
2225 | { |
2226 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2227 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2228 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2229 | } |
f451eb13 | 2230 | |
ab648270 | 2231 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2232 | dragged. */ |
12ba150f | 2233 | if (NILP (bar->dragging)) |
f451eb13 | 2234 | { |
12ba150f | 2235 | int top_range = |
ab648270 | 2236 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2237 | |
12ba150f | 2238 | if (whole == 0) |
ab648270 | 2239 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2240 | else |
2241 | { | |
43f868f5 JB |
2242 | int start = ((double) position * top_range) / whole; |
2243 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2244 | |
ab648270 | 2245 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2246 | } |
f451eb13 JB |
2247 | } |
2248 | ||
ab648270 | 2249 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2250 | } |
2251 | ||
12ba150f | 2252 | |
f451eb13 | 2253 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2254 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2255 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2256 | away is a real pain - "Can you say set-window-configuration, boys |
2257 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2258 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2259 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2260 | |
ab648270 JB |
2261 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2262 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2263 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2264 | static void |
ab648270 | 2265 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2266 | FRAME_PTR frame; |
2267 | { | |
12ba150f JB |
2268 | /* The condemned list should be empty at this point; if it's not, |
2269 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2270 | protocol correctly. */ | |
ab648270 | 2271 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2272 | abort (); |
2273 | ||
2274 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2275 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2276 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2277 | } |
2278 | ||
ab648270 | 2279 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2280 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2281 | static void |
ab648270 | 2282 | XTredeem_scroll_bar (window) |
12ba150f | 2283 | struct window *window; |
f451eb13 | 2284 | { |
ab648270 | 2285 | struct scroll_bar *bar; |
12ba150f | 2286 | |
ab648270 JB |
2287 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2288 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2289 | abort (); |
2290 | ||
ab648270 | 2291 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2292 | |
2293 | /* Unlink it from the condemned list. */ | |
2294 | { | |
2295 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2296 | ||
2297 | if (NILP (bar->prev)) | |
2298 | { | |
2299 | /* If the prev pointer is nil, it must be the first in one of | |
2300 | the lists. */ | |
ab648270 | 2301 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2302 | /* It's not condemned. Everything's fine. */ |
2303 | return; | |
ab648270 JB |
2304 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2305 | window->vertical_scroll_bar)) | |
2306 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2307 | else |
2308 | /* If its prev pointer is nil, it must be at the front of | |
2309 | one or the other! */ | |
2310 | abort (); | |
2311 | } | |
2312 | else | |
ab648270 | 2313 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2314 | |
2315 | if (! NILP (bar->next)) | |
ab648270 | 2316 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2317 | |
ab648270 | 2318 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2319 | bar->prev = Qnil; |
ab648270 | 2320 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2321 | if (! NILP (bar->next)) |
ab648270 | 2322 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2323 | } |
f451eb13 JB |
2324 | } |
2325 | ||
ab648270 JB |
2326 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2327 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2328 | static void |
ab648270 | 2329 | XTjudge_scroll_bars (f) |
12ba150f | 2330 | FRAME_PTR f; |
f451eb13 | 2331 | { |
12ba150f | 2332 | Lisp_Object bar, next; |
f451eb13 | 2333 | |
ab648270 | 2334 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2335 | |
2336 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2337 | more events on the hapless scroll bars. */ |
2338 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2339 | |
2340 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2341 | { |
ab648270 | 2342 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2343 | |
ab648270 | 2344 | x_scroll_bar_remove (b); |
12ba150f JB |
2345 | |
2346 | next = b->next; | |
2347 | b->next = b->prev = Qnil; | |
f451eb13 | 2348 | } |
12ba150f | 2349 | |
ab648270 | 2350 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2351 | and they should get garbage-collected. */ |
f451eb13 JB |
2352 | } |
2353 | ||
2354 | ||
ab648270 JB |
2355 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2356 | ||
2357 | This may be called from a signal handler, so we have to ignore GC | |
2358 | mark bits. */ | |
f451eb13 | 2359 | static void |
ab648270 JB |
2360 | x_scroll_bar_expose (bar, event) |
2361 | struct scroll_bar *bar; | |
f451eb13 JB |
2362 | XEvent *event; |
2363 | { | |
ab648270 | 2364 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2365 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2366 | ||
f451eb13 JB |
2367 | BLOCK_INPUT; |
2368 | ||
ab648270 | 2369 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2370 | |
ab648270 | 2371 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2372 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2373 | |
2374 | /* x, y, width, height */ | |
12ba150f | 2375 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2376 | |
12ba150f JB |
2377 | /* Draw another line to make the extra-thick border on the right. */ |
2378 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2379 | |
12ba150f JB |
2380 | /* x, y, width, height */ |
2381 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2382 | |
2383 | UNBLOCK_INPUT; | |
2384 | } | |
2385 | ||
ab648270 JB |
2386 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2387 | is set to something other than no_event, it is enqueued. | |
2388 | ||
2389 | This may be called from a signal handler, so we have to ignore GC | |
2390 | mark bits. */ | |
f451eb13 | 2391 | static void |
ab648270 JB |
2392 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2393 | struct scroll_bar *bar; | |
f451eb13 JB |
2394 | XEvent *event; |
2395 | struct input_event *emacs_event; | |
2396 | { | |
ab648270 | 2397 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2398 | abort (); |
2399 | ||
ab648270 | 2400 | emacs_event->kind = scroll_bar_click; |
69388238 | 2401 | emacs_event->code = event->xbutton.button - Button1; |
f451eb13 | 2402 | emacs_event->modifiers = |
dfeccd2d | 2403 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
2404 | | (event->type == ButtonRelease |
2405 | ? up_modifier | |
2406 | : down_modifier)); | |
12ba150f | 2407 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2408 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2409 | { |
2410 | int internal_height = | |
ab648270 | 2411 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2412 | int top_range = |
ab648270 JB |
2413 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2414 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2415 | |
2416 | if (y < 0) y = 0; | |
2417 | if (y > top_range) y = top_range; | |
2418 | ||
2419 | if (y < XINT (bar->start)) | |
ab648270 JB |
2420 | emacs_event->part = scroll_bar_above_handle; |
2421 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2422 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2423 | else |
ab648270 | 2424 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2425 | |
2426 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2427 | they want to drag it. Lisp code needs to be able to decide |
2428 | whether or not we're dragging. */ | |
929787e1 | 2429 | #if 0 |
12ba150f JB |
2430 | /* If the user has just clicked on the handle, record where they're |
2431 | holding it. */ | |
2432 | if (event->type == ButtonPress | |
ab648270 | 2433 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 2434 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 2435 | #endif |
12ba150f JB |
2436 | |
2437 | /* If the user has released the handle, set it to its final position. */ | |
2438 | if (event->type == ButtonRelease | |
2439 | && ! NILP (bar->dragging)) | |
2440 | { | |
2441 | int new_start = y - XINT (bar->dragging); | |
2442 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2443 | |
ab648270 | 2444 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2445 | bar->dragging = Qnil; |
2446 | } | |
f451eb13 | 2447 | |
5116f055 JB |
2448 | /* Same deal here as the other #if 0. */ |
2449 | #if 0 | |
eb8c3be9 | 2450 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 2451 | the handle. */ |
ab648270 | 2452 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2453 | emacs_event->x = bar->start; |
2454 | else | |
2455 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
2456 | #else |
2457 | XSET (emacs_event->x, Lisp_Int, y); | |
2458 | #endif | |
f451eb13 | 2459 | |
12ba150f JB |
2460 | XSET (emacs_event->y, Lisp_Int, top_range); |
2461 | } | |
2462 | } | |
f451eb13 | 2463 | |
ab648270 JB |
2464 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2465 | ||
2466 | This may be called from a signal handler, so we have to ignore GC | |
2467 | mark bits. */ | |
f451eb13 | 2468 | static void |
ab648270 JB |
2469 | x_scroll_bar_note_movement (bar, event) |
2470 | struct scroll_bar *bar; | |
f451eb13 JB |
2471 | XEvent *event; |
2472 | { | |
2473 | last_mouse_movement_time = event->xmotion.time; | |
2474 | ||
2475 | mouse_moved = 1; | |
ab648270 | 2476 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2477 | |
2478 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2479 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2480 | { |
2481 | /* Where should the handle be now? */ | |
12ba150f | 2482 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2483 | |
12ba150f | 2484 | if (new_start != XINT (bar->start)) |
f451eb13 | 2485 | { |
12ba150f | 2486 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2487 | |
ab648270 | 2488 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2489 | } |
2490 | } | |
2491 | ||
2492 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2493 | moves and we can see *still* on the same position. */ | |
2494 | { | |
2495 | int dummy; | |
2496 | ||
2497 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2498 | (Window *) &dummy, (Window *) &dummy, | |
2499 | &dummy, &dummy, &dummy, &dummy, | |
2500 | (unsigned int *) &dummy); | |
2501 | } | |
2502 | } | |
2503 | ||
12ba150f | 2504 | /* Return information to the user about the current position of the mouse |
ab648270 | 2505 | on the scroll bar. */ |
12ba150f | 2506 | static void |
ab648270 | 2507 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2508 | FRAME_PTR *f; |
2509 | Lisp_Object *bar_window; | |
ab648270 | 2510 | enum scroll_bar_part *part; |
12ba150f JB |
2511 | Lisp_Object *x, *y; |
2512 | unsigned long *time; | |
2513 | { | |
ab648270 | 2514 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 2515 | int win_x, win_y; |
559cb2fb JB |
2516 | Window dummy_window; |
2517 | int dummy_coord; | |
2518 | unsigned int dummy_mask; | |
12ba150f | 2519 | |
cf7cb199 JB |
2520 | BLOCK_INPUT; |
2521 | ||
ab648270 | 2522 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 2523 | report that. */ |
559cb2fb JB |
2524 | if (! XQueryPointer (x_current_display, |
2525 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 2526 | |
559cb2fb JB |
2527 | /* Root, child, root x and root y. */ |
2528 | &dummy_window, &dummy_window, | |
2529 | &dummy_coord, &dummy_coord, | |
12ba150f | 2530 | |
559cb2fb JB |
2531 | /* Position relative to scroll bar. */ |
2532 | &win_x, &win_y, | |
12ba150f | 2533 | |
559cb2fb JB |
2534 | /* Mouse buttons and modifier keys. */ |
2535 | &dummy_mask)) | |
2536 | *f = 0; | |
2537 | else | |
2538 | { | |
2539 | int inside_height | |
2540 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2541 | int top_range | |
2542 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2543 | ||
2544 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
2545 | ||
2546 | if (! NILP (bar->dragging)) | |
2547 | win_y -= XINT (bar->dragging); | |
2548 | ||
2549 | if (win_y < 0) | |
2550 | win_y = 0; | |
2551 | if (win_y > top_range) | |
2552 | win_y = top_range; | |
2553 | ||
2554 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2555 | *bar_window = bar->window; | |
2556 | ||
2557 | if (! NILP (bar->dragging)) | |
2558 | *part = scroll_bar_handle; | |
2559 | else if (win_y < XINT (bar->start)) | |
2560 | *part = scroll_bar_above_handle; | |
2561 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2562 | *part = scroll_bar_handle; | |
2563 | else | |
2564 | *part = scroll_bar_below_handle; | |
12ba150f | 2565 | |
559cb2fb JB |
2566 | XSET (*x, Lisp_Int, win_y); |
2567 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 2568 | |
559cb2fb JB |
2569 | mouse_moved = 0; |
2570 | last_mouse_scroll_bar = Qnil; | |
2571 | } | |
12ba150f | 2572 | |
559cb2fb | 2573 | *time = last_mouse_movement_time; |
cf7cb199 | 2574 | |
cf7cb199 | 2575 | UNBLOCK_INPUT; |
12ba150f JB |
2576 | } |
2577 | ||
f451eb13 | 2578 | |
dbc4e1c1 | 2579 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2580 | background colors, and the scroll bars may need to be redrawn. |
2581 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2582 | redraw them. */ |
2583 | ||
ab648270 | 2584 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2585 | FRAME_PTR f; |
2586 | { | |
2587 | Lisp_Object bar; | |
2588 | ||
ab648270 | 2589 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2590 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2591 | bar = XSCROLL_BAR (bar)->next) |
2592 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2593 | 0, 0, 0, 0, True); |
2594 | } | |
2595 | ||
2596 | ||
f451eb13 JB |
2597 | \f |
2598 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2599 | |
dc6f92b8 JB |
2600 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2601 | but we have to put it out here, since static variables within functions | |
2602 | sometimes don't work. */ | |
2603 | static Time enter_timestamp; | |
2604 | ||
11edeb03 JB |
2605 | /* This holds the state XLookupString needs to implement dead keys |
2606 | and other tricks known as "compose processing". _X Window System_ | |
2607 | says that a portable program can't use this, but Stephen Gildea assures | |
2608 | me that letting the compiler initialize it to zeros will work okay. | |
2609 | ||
2610 | This must be defined outside of XTread_socket, for the same reasons | |
2611 | given for enter_timestamp, above. */ | |
2612 | static XComposeStatus compose_status; | |
2613 | ||
c047688c JA |
2614 | /* Communication with window managers. */ |
2615 | Atom Xatom_wm_protocols; | |
2616 | ||
2617 | /* Kinds of protocol things we may receive. */ | |
2618 | Atom Xatom_wm_take_focus; | |
2619 | Atom Xatom_wm_save_yourself; | |
2620 | Atom Xatom_wm_delete_window; | |
2621 | ||
2622 | /* Other WM communication */ | |
2623 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2624 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2625 | ||
d56a553a RS |
2626 | /* Window manager communication. */ |
2627 | Atom Xatom_wm_change_state; | |
2628 | ||
10e6549c RS |
2629 | /* Record the last 100 characters stored |
2630 | to help debug the loss-of-chars-during-GC problem. */ | |
2631 | int temp_index; | |
2632 | short temp_buffer[100]; | |
2633 | ||
dc6f92b8 JB |
2634 | /* Read events coming from the X server. |
2635 | This routine is called by the SIGIO handler. | |
2636 | We return as soon as there are no more events to be read. | |
2637 | ||
2638 | Events representing keys are stored in buffer BUFP, | |
2639 | which can hold up to NUMCHARS characters. | |
2640 | We return the number of characters stored into the buffer, | |
2641 | thus pretending to be `read'. | |
2642 | ||
2643 | WAITP is nonzero if we should block until input arrives. | |
2644 | EXPECTED is nonzero if the caller knows input is available. */ | |
2645 | ||
7c5283e4 | 2646 | int |
dc6f92b8 JB |
2647 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2648 | register int sd; | |
2649 | register struct input_event *bufp; | |
2650 | register int numchars; | |
2651 | int waitp; | |
2652 | int expected; | |
2653 | { | |
2654 | int count = 0; | |
2655 | int nbytes = 0; | |
2656 | int mask; | |
2657 | int items_pending; /* How many items are in the X queue. */ | |
2658 | XEvent event; | |
f676886a | 2659 | struct frame *f; |
66f55a9d | 2660 | int event_found = 0; |
dc6f92b8 JB |
2661 | int prefix; |
2662 | Lisp_Object part; | |
2663 | ||
9ac0d9e0 | 2664 | if (interrupt_input_blocked) |
dc6f92b8 | 2665 | { |
9ac0d9e0 | 2666 | interrupt_input_pending = 1; |
dc6f92b8 JB |
2667 | return -1; |
2668 | } | |
2669 | ||
9ac0d9e0 | 2670 | interrupt_input_pending = 0; |
dc6f92b8 JB |
2671 | BLOCK_INPUT; |
2672 | ||
2673 | if (numchars <= 0) | |
2674 | abort (); /* Don't think this happens. */ | |
2675 | ||
2676 | #ifdef FIOSNBIO | |
2677 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2678 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2679 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2680 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2681 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2682 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2683 | |
2684 | #ifndef SIGIO | |
2685 | #ifndef HAVE_SELECT | |
2686 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2687 | { | |
2688 | extern int read_alarm_should_throw; | |
2689 | read_alarm_should_throw = 1; | |
2690 | XPeekEvent (XDISPLAY &event); | |
2691 | read_alarm_should_throw = 0; | |
2692 | } | |
c118dd06 JB |
2693 | #endif /* HAVE_SELECT */ |
2694 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2695 | |
2696 | while (XStuffPending () != 0) | |
2697 | { | |
2698 | XNextEvent (XDISPLAY &event); | |
2699 | event_found = 1; | |
2700 | ||
2701 | switch (event.type) | |
2702 | { | |
2703 | #ifdef HAVE_X11 | |
c047688c JA |
2704 | case ClientMessage: |
2705 | { | |
2706 | if (event.xclient.message_type == Xatom_wm_protocols | |
2707 | && event.xclient.format == 32) | |
2708 | { | |
2709 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2710 | { | |
f676886a JB |
2711 | f = x_window_to_frame (event.xclient.window); |
2712 | if (f) | |
2713 | x_focus_on_frame (f); | |
ab648270 | 2714 | /* Not certain about handling scroll bars here */ |
c047688c JA |
2715 | } |
2716 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2717 | { | |
2718 | /* Save state modify the WM_COMMAND property to | |
2719 | something which can reinstate us. This notifies | |
2720 | the session manager, who's looking for such a | |
2721 | PropertyNotify. Can restart processing when | |
2722 | a keyboard or mouse event arrives. */ | |
2723 | if (numchars > 0) | |
2724 | { | |
2725 | } | |
2726 | } | |
2727 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2728 | { | |
f676886a | 2729 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2730 | |
f676886a | 2731 | if (f) |
1fb20991 RS |
2732 | { |
2733 | if (numchars == 0) | |
2734 | abort (); | |
2735 | ||
2736 | bufp->kind = delete_window_event; | |
2737 | XSET (bufp->frame_or_window, Lisp_Frame, f); | |
2738 | bufp++; | |
2739 | ||
2740 | count += 1; | |
2741 | numchars -= 1; | |
2742 | } | |
c047688c JA |
2743 | } |
2744 | } | |
2745 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2746 | { | |
2747 | } | |
2748 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2749 | { | |
2750 | int new_x, new_y; | |
1fb20991 RS |
2751 | struct frame *f = x_window_to_frame (event.xclient.window); |
2752 | ||
4357eba7 JB |
2753 | new_x = event.xclient.data.s[0]; |
2754 | new_y = event.xclient.data.s[1]; | |
1fb20991 RS |
2755 | |
2756 | if (f) | |
2757 | { | |
2758 | f->display.x->left_pos = new_x; | |
2759 | f->display.x->top_pos = new_y; | |
2760 | } | |
c047688c JA |
2761 | } |
2762 | } | |
2763 | break; | |
dc6f92b8 | 2764 | |
d56a553a RS |
2765 | #ifdef NEW_SELECTIONS |
2766 | case SelectionNotify: | |
2767 | x_handle_selection_notify (&event); | |
2768 | break; | |
2769 | #endif | |
2770 | ||
dc6f92b8 | 2771 | case SelectionClear: /* Someone has grabbed ownership. */ |
d56a553a RS |
2772 | #ifdef NEW_SELECTIONS |
2773 | { | |
2774 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
2775 | ||
2776 | if (numchars == 0) | |
2777 | abort (); | |
2778 | ||
2779 | bufp->kind = selection_clear_event; | |
2780 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2781 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2782 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2783 | bufp++; | |
2784 | ||
2785 | count += 1; | |
2786 | numchars -= 1; | |
2787 | } | |
2788 | #else | |
dc6f92b8 JB |
2789 | x_disown_selection (event.xselectionclear.window, |
2790 | event.xselectionclear.selection, | |
2791 | event.xselectionclear.time); | |
d56a553a | 2792 | #endif |
dc6f92b8 JB |
2793 | break; |
2794 | ||
2795 | case SelectionRequest: /* Someone wants our selection. */ | |
d56a553a RS |
2796 | #ifdef NEW_SELECTIONS |
2797 | { | |
2798 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
2799 | ||
2800 | if (numchars == 0) | |
2801 | abort (); | |
2802 | ||
2803 | bufp->kind = selection_request_event; | |
2804 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2805 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
2806 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2807 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
2808 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
2809 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2810 | bufp++; | |
2811 | ||
2812 | count += 1; | |
2813 | numchars -= 1; | |
2814 | } | |
2815 | #else | |
dc6f92b8 | 2816 | x_answer_selection_request (event); |
d56a553a | 2817 | #endif |
dc6f92b8 JB |
2818 | break; |
2819 | ||
2820 | case PropertyNotify: | |
d56a553a RS |
2821 | #ifdef NEW_SELECTIONS |
2822 | x_handle_property_notify (&event); | |
2823 | #else | |
28430d3c JB |
2824 | /* If we're being told about a root window property, then it's |
2825 | a cut buffer change. */ | |
2826 | if (event.xproperty.window == ROOT_WINDOW) | |
2827 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2828 | ||
2829 | /* Otherwise, we're probably handling an incremental | |
2830 | selection transmission. */ | |
2831 | else | |
2832 | { | |
2833 | /* If we were to do this synchronously, there'd be no worry | |
2834 | about re-selecting. */ | |
2835 | x_send_incremental (event); | |
2836 | } | |
d56a553a | 2837 | #endif |
dc6f92b8 JB |
2838 | break; |
2839 | ||
3bd330d4 RS |
2840 | case ReparentNotify: |
2841 | f = x_window_to_frame (event.xreparent.window); | |
2842 | if (f) | |
2843 | f->display.x->parent_desc = event.xreparent.parent; | |
2844 | break; | |
2845 | ||
dc6f92b8 | 2846 | case Expose: |
f676886a JB |
2847 | f = x_window_to_frame (event.xexpose.window); |
2848 | if (f) | |
dc6f92b8 | 2849 | { |
3a88c238 | 2850 | if (f->async_visible == 0) |
dc6f92b8 | 2851 | { |
3a88c238 JB |
2852 | f->async_visible = 1; |
2853 | f->async_iconified = 0; | |
f676886a | 2854 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2855 | } |
2856 | else | |
f451eb13 JB |
2857 | { |
2858 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2859 | event.xexpose.x, event.xexpose.y, | |
2860 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2861 | } |
2862 | } | |
2863 | else | |
2864 | { | |
ab648270 JB |
2865 | struct scroll_bar *bar |
2866 | = x_window_to_scroll_bar (event.xexpose.window); | |
f451eb13 JB |
2867 | |
2868 | if (bar) | |
ab648270 | 2869 | x_scroll_bar_expose (bar, &event); |
dc6f92b8 JB |
2870 | } |
2871 | break; | |
2872 | ||
2873 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
2874 | source area was obscured or not | |
2875 | available.*/ | |
f451eb13 JB |
2876 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
2877 | if (f) | |
2878 | { | |
2879 | dumprectangle (f, | |
2880 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
2881 | event.xgraphicsexpose.width, | |
2882 | event.xgraphicsexpose.height); | |
f451eb13 | 2883 | } |
dc6f92b8 JB |
2884 | break; |
2885 | ||
2886 | case NoExpose: /* This occurs when an XCopyArea's | |
2887 | source area was completely | |
2888 | available */ | |
2889 | break; | |
c118dd06 | 2890 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2891 | case ExposeWindow: |
2892 | if (event.subwindow != 0) | |
2893 | break; /* duplicate event */ | |
f676886a JB |
2894 | f = x_window_to_frame (event.window); |
2895 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2896 | { |
f676886a | 2897 | refreshicon (f); |
3a88c238 | 2898 | f->async_iconified = 1; |
dc6f92b8 | 2899 | } |
c118dd06 | 2900 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
2901 | { |
2902 | /* Say must check all windows' needs_exposure flags. */ | |
2903 | expose_all_windows = 1; | |
f676886a | 2904 | f->display.x->needs_exposure = 1; |
3a88c238 | 2905 | f->async_visible = 1; |
dc6f92b8 JB |
2906 | } |
2907 | break; | |
2908 | ||
2909 | case ExposeRegion: | |
2910 | if (event.subwindow != 0) | |
2911 | break; /* duplicate event */ | |
f676886a JB |
2912 | f = x_window_to_frame (event.window); |
2913 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 2914 | { |
f676886a | 2915 | refreshicon (f); |
dc6f92b8 JB |
2916 | break; |
2917 | } | |
2918 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 2919 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
2920 | break; |
2921 | /* Put the event on the queue of rectangles to redraw. */ | |
2922 | if (enqueue_event (&event, &x_expose_queue)) | |
2923 | /* If it is full, we can't record the rectangle, | |
2924 | so redraw this entire window. */ | |
2925 | { | |
2926 | /* Say must check all windows' needs_exposure flags. */ | |
2927 | expose_all_windows = 1; | |
f676886a | 2928 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
2929 | } |
2930 | break; | |
2931 | ||
2932 | case ExposeCopy: | |
2933 | /* This should happen only when we are expecting it, | |
2934 | in x_read_exposes. */ | |
2935 | abort (); | |
c118dd06 | 2936 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2937 | |
2938 | #ifdef HAVE_X11 | |
2939 | case UnmapNotify: | |
f451eb13 JB |
2940 | f = x_window_to_frame (event.xunmap.window); |
2941 | if (f) /* F may no longer exist if | |
f676886a | 2942 | the frame was deleted. */ |
f451eb13 JB |
2943 | { |
2944 | /* While a frame is unmapped, display generation is | |
2945 | disabled; you don't want to spend time updating a | |
2946 | display that won't ever be seen. */ | |
2947 | f->async_visible = 0; | |
9319ae23 RS |
2948 | /* The window manager never makes a window invisible |
2949 | ("withdrawn"); all it does is switch between visible | |
2950 | and iconified. Frames get into the invisible state | |
041b69ac | 2951 | only through x_make_frame_invisible. */ |
9319ae23 RS |
2952 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
2953 | f->async_iconified = 1; | |
f451eb13 | 2954 | } |
dc6f92b8 JB |
2955 | break; |
2956 | ||
2957 | case MapNotify: | |
f676886a JB |
2958 | f = x_window_to_frame (event.xmap.window); |
2959 | if (f) | |
dc6f92b8 | 2960 | { |
3a88c238 JB |
2961 | f->async_visible = 1; |
2962 | f->async_iconified = 0; | |
dc6f92b8 JB |
2963 | |
2964 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
2965 | the frame's display structures. */ |
2966 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 JB |
2967 | } |
2968 | break; | |
2969 | ||
2970 | /* Turn off processing if we become fully obscured. */ | |
2971 | case VisibilityNotify: | |
2972 | break; | |
2973 | ||
c118dd06 | 2974 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2975 | case UnmapWindow: |
f676886a JB |
2976 | f = x_window_to_frame (event.window); |
2977 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 2978 | f->async_iconified = 0; |
c118dd06 | 2979 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 2980 | f->async_visible = 0; |
dc6f92b8 | 2981 | break; |
c118dd06 | 2982 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
2983 | |
2984 | #ifdef HAVE_X11 | |
2985 | case KeyPress: | |
f676886a | 2986 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 2987 | |
f676886a | 2988 | if (f != 0) |
dc6f92b8 | 2989 | { |
2d368234 | 2990 | KeySym keysym, orig_keysym; |
bf6d8fb9 RS |
2991 | /* al%imercury@uunet.uu.net says that making this 81 instead of |
2992 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
2993 | unsigned char copy_buffer[81]; | |
64bb1782 RS |
2994 | int modifiers; |
2995 | ||
dfeccd2d JB |
2996 | event.xkey.state |
2997 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 2998 | modifiers = event.xkey.state; |
3a2712f9 | 2999 | |
11edeb03 | 3000 | /* This will have to go some day... */ |
752a043f JB |
3001 | |
3002 | /* make_lispy_event turns chars into control chars. | |
3003 | Don't do it here because XLookupString is too eager. */ | |
3004 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
3005 | nbytes = |
3006 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
3007 | &compose_status); | |
dc6f92b8 | 3008 | |
55123275 JB |
3009 | /* Strip off the vendor-specific keysym bit, and take a shot |
3010 | at recognizing the codes. HP servers have extra keysyms | |
3011 | that fit into the MiscFunctionKey category. */ | |
2d368234 | 3012 | orig_keysym = keysym; |
55123275 JB |
3013 | keysym &= ~(1<<28); |
3014 | ||
dc6f92b8 JB |
3015 | if (numchars > 1) |
3016 | { | |
64a07219 JB |
3017 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) |
3018 | || keysym == XK_Delete | |
3019 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3020 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3021 | #ifdef HPUX |
64a07219 JB |
3022 | /* This recognizes the "extended function keys". |
3023 | It seems there's no cleaner way. | |
3024 | Test IsModifierKey to avoid handling mode_switch | |
3025 | incorrectly. */ | |
3026 | || ((unsigned) (keysym) >= XK_Select | |
3027 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3028 | #endif |
3029 | #ifdef XK_dead_circumflex | |
3030 | || orig_keysym == XK_dead_circumflex | |
3031 | #endif | |
3032 | #ifdef XK_dead_grave | |
3033 | || orig_keysym == XK_dead_grave | |
3034 | #endif | |
3035 | #ifdef XK_dead_tilde | |
3036 | || orig_keysym == XK_dead_tilde | |
3037 | #endif | |
3038 | #ifdef XK_dead_diaeresis | |
3039 | || orig_keysym == XK_dead_diaeresis | |
3040 | #endif | |
3041 | #ifdef XK_dead_macron | |
3042 | || orig_keysym == XK_dead_macron | |
3043 | #endif | |
3044 | #ifdef XK_dead_degree | |
3045 | || orig_keysym == XK_dead_degree | |
3046 | #endif | |
3047 | #ifdef XK_dead_acute | |
3048 | || orig_keysym == XK_dead_acute | |
3049 | #endif | |
3050 | #ifdef XK_dead_cedilla | |
3051 | || orig_keysym == XK_dead_cedilla | |
3052 | #endif | |
3053 | #ifdef XK_dead_breve | |
3054 | || orig_keysym == XK_dead_breve | |
3055 | #endif | |
3056 | #ifdef XK_dead_ogonek | |
3057 | || orig_keysym == XK_dead_ogonek | |
3058 | #endif | |
3059 | #ifdef XK_dead_caron | |
3060 | || orig_keysym == XK_dead_caron | |
3061 | #endif | |
3062 | #ifdef XK_dead_doubleacute | |
3063 | || orig_keysym == XK_dead_doubleacute | |
3064 | #endif | |
3065 | #ifdef XK_dead_abovedot | |
3066 | || orig_keysym == XK_dead_abovedot | |
c34790e0 | 3067 | #endif |
64a07219 JB |
3068 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3069 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
3070 | || x_is_vendor_fkey (orig_keysym)) | |
7719aa06 RS |
3071 | && ! (IsModifierKey (orig_keysym) |
3072 | #ifndef HAVE_X11R5 | |
3073 | #ifdef XK_Mode_switch | |
3074 | || ((unsigned)(orig_keysym) == XK_Mode_switch) | |
3075 | #endif | |
3076 | #ifdef XK_Num_Lock | |
3077 | || ((unsigned)(orig_keysym) == XK_Num_Lock) | |
3078 | #endif | |
3079 | #endif /* not HAVE_X11R5 */ | |
3080 | )) | |
dc6f92b8 | 3081 | { |
10e6549c RS |
3082 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3083 | temp_index = 0; | |
3084 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 3085 | bufp->kind = non_ascii_keystroke; |
69388238 | 3086 | bufp->code = keysym; |
12ba150f | 3087 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3088 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3089 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3090 | bufp++; |
3091 | count++; | |
3092 | numchars--; | |
3093 | } | |
3094 | else if (numchars > nbytes) | |
3095 | { | |
3096 | register int i; | |
3097 | ||
10e6549c | 3098 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 3099 | { |
10e6549c RS |
3100 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3101 | temp_index = 0; | |
3102 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 3103 | bufp->kind = ascii_keystroke; |
69388238 | 3104 | bufp->code = copy_buffer[i]; |
12ba150f | 3105 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3106 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3107 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3108 | bufp++; |
3109 | } | |
dc6f92b8 JB |
3110 | |
3111 | count += nbytes; | |
3112 | numchars -= nbytes; | |
3113 | } | |
10e6549c RS |
3114 | else |
3115 | abort (); | |
dc6f92b8 | 3116 | } |
10e6549c RS |
3117 | else |
3118 | abort (); | |
dc6f92b8 JB |
3119 | } |
3120 | break; | |
c118dd06 | 3121 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3122 | case KeyPressed: |
3123 | { | |
3124 | register char *where_mapping; | |
3125 | ||
f676886a | 3126 | f = x_window_to_frame (event.window); |
dc6f92b8 | 3127 | /* Ignore keys typed on icon windows. */ |
f676886a | 3128 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
3129 | break; |
3130 | where_mapping = XLookupMapping (&event, &nbytes); | |
3131 | /* Nasty fix for arrow keys */ | |
3132 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
3133 | { | |
3134 | switch (event.detail & 0xff) | |
3135 | { | |
3136 | case KC_CURSOR_LEFT: | |
3137 | where_mapping = "\002"; | |
3138 | break; | |
3139 | case KC_CURSOR_RIGHT: | |
3140 | where_mapping = "\006"; | |
3141 | break; | |
3142 | case KC_CURSOR_UP: | |
3143 | where_mapping = "\020"; | |
3144 | break; | |
3145 | case KC_CURSOR_DOWN: | |
3146 | where_mapping = "\016"; | |
3147 | break; | |
3148 | } | |
3149 | nbytes = 1; | |
3150 | } | |
3151 | if (numchars - nbytes > 0) | |
3152 | { | |
3153 | register int i; | |
3154 | ||
3155 | for (i = 0; i < nbytes; i++) | |
3156 | { | |
3157 | bufp->kind = ascii_keystroke; | |
69388238 | 3158 | bufp->code = where_mapping[i]; |
90e65f07 | 3159 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 3160 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
3161 | bufp++; |
3162 | } | |
3163 | count += nbytes; | |
3164 | numchars -= nbytes; | |
3165 | } | |
3166 | } | |
3167 | break; | |
c118dd06 | 3168 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3169 | |
3170 | #ifdef HAVE_X11 | |
f451eb13 JB |
3171 | |
3172 | /* Here's a possible interpretation of the whole | |
3173 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3174 | FocusIn event, you have to get a FocusOut event before you | |
3175 | relinquish the focus. If you haven't received a FocusIn event, | |
3176 | then a mere LeaveNotify is enough to free you. */ | |
3177 | ||
dc6f92b8 | 3178 | case EnterNotify: |
f676886a | 3179 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 3180 | |
f451eb13 | 3181 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3182 | { |
dc6f92b8 | 3183 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
3184 | if (f && (!(f->auto_raise) |
3185 | || !(f->auto_lower) | |
dc6f92b8 JB |
3186 | || (event.xcrossing.time - enter_timestamp) > 500)) |
3187 | { | |
f676886a | 3188 | x_new_focus_frame (f); |
dc6f92b8 JB |
3189 | enter_timestamp = event.xcrossing.time; |
3190 | } | |
dc6f92b8 | 3191 | } |
f676886a JB |
3192 | else if (f == x_focus_frame) |
3193 | x_new_focus_frame (0); | |
dc6f92b8 JB |
3194 | |
3195 | break; | |
3196 | ||
3197 | case FocusIn: | |
f676886a | 3198 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3199 | if (event.xfocus.detail != NotifyPointer) |
3200 | x_focus_event_frame = f; | |
f676886a JB |
3201 | if (f) |
3202 | x_new_focus_frame (f); | |
dc6f92b8 JB |
3203 | break; |
3204 | ||
f451eb13 | 3205 | |
dc6f92b8 | 3206 | case LeaveNotify: |
f451eb13 | 3207 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 3208 | |
f451eb13 JB |
3209 | if (event.xcrossing.focus) |
3210 | { | |
3211 | if (! x_focus_event_frame) | |
3212 | x_new_focus_frame (0); | |
3213 | else | |
f676886a | 3214 | x_new_focus_frame (f); |
f451eb13 JB |
3215 | } |
3216 | else | |
3217 | { | |
3218 | if (f == x_focus_event_frame) | |
3219 | x_focus_event_frame = 0; | |
3220 | if (f == x_focus_frame) | |
f676886a | 3221 | x_new_focus_frame (0); |
dc6f92b8 JB |
3222 | } |
3223 | break; | |
3224 | ||
3225 | case FocusOut: | |
f676886a | 3226 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3227 | if (event.xfocus.detail != NotifyPointer |
3228 | && f == x_focus_event_frame) | |
3229 | x_focus_event_frame = 0; | |
f676886a JB |
3230 | if (f && f == x_focus_frame) |
3231 | x_new_focus_frame (0); | |
dc6f92b8 JB |
3232 | break; |
3233 | ||
c118dd06 | 3234 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3235 | |
3236 | case EnterWindow: | |
3237 | if ((event.detail & 0xFF) == 1) | |
3238 | break; /* Coming from our own subwindow */ | |
3239 | if (event.subwindow != 0) | |
3240 | break; /* Entering our own subwindow. */ | |
3241 | ||
3242 | { | |
f676886a JB |
3243 | f = x_window_to_frame (event.window); |
3244 | x_mouse_frame = f; | |
dc6f92b8 | 3245 | |
f676886a | 3246 | x_new_focus_frame (f); |
dc6f92b8 JB |
3247 | } |
3248 | break; | |
3249 | ||
3250 | case LeaveWindow: | |
3251 | if ((event.detail & 0xFF) == 1) | |
3252 | break; /* Entering our own subwindow */ | |
3253 | if (event.subwindow != 0) | |
3254 | break; /* Leaving our own subwindow. */ | |
3255 | ||
f676886a JB |
3256 | x_mouse_frame = 0; |
3257 | if (x_focus_frame == 0 | |
3258 | && x_input_frame != 0 | |
3259 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 3260 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 3261 | { |
f676886a JB |
3262 | f = x_input_frame; |
3263 | x_input_frame = 0; | |
3264 | if (f) | |
3265 | frame_unhighlight (f); | |
dc6f92b8 JB |
3266 | } |
3267 | break; | |
c118dd06 | 3268 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3269 | |
3270 | #ifdef HAVE_X11 | |
3271 | case MotionNotify: | |
3272 | { | |
69388238 RS |
3273 | if (x_mouse_grabbed) |
3274 | f = last_mouse_frame; | |
3275 | else | |
3276 | f = x_window_to_frame (event.xmotion.window); | |
f676886a | 3277 | if (f) |
12ba150f | 3278 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 3279 | else |
dc6f92b8 | 3280 | { |
69388238 RS |
3281 | struct scroll_bar *bar |
3282 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3283 | |
3284 | if (bar) | |
ab648270 | 3285 | x_scroll_bar_note_movement (bar, &event); |
dc6f92b8 | 3286 | } |
dc6f92b8 JB |
3287 | } |
3288 | break; | |
3289 | ||
3290 | case ConfigureNotify: | |
dbc4e1c1 JB |
3291 | f = x_window_to_frame (event.xconfigure.window); |
3292 | if (f) | |
3293 | { | |
3294 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3295 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3296 | ||
3297 | /* Even if the number of character rows and columns has | |
3298 | not changed, the font size may have changed, so we need | |
3299 | to check the pixel dimensions as well. */ | |
3300 | if (columns != f->width | |
3301 | || rows != f->height | |
3302 | || event.xconfigure.width != f->display.x->pixel_width | |
3303 | || event.xconfigure.height != f->display.x->pixel_height) | |
3304 | { | |
3305 | change_frame_size (f, rows, columns, 0, 1); | |
3306 | SET_FRAME_GARBAGED (f); | |
3307 | } | |
dc6f92b8 | 3308 | |
3bd330d4 | 3309 | if (! event.xconfigure.send_event) |
af395ec1 RS |
3310 | { |
3311 | Window win, child; | |
3312 | int win_x, win_y; | |
3313 | ||
6cc35d86 JB |
3314 | /* Find the position of the outside upper-left corner of |
3315 | the window, in the root coordinate system. Don't | |
3316 | refer to the parent window here; we may be processing | |
3317 | this event after the window manager has changed our | |
3318 | parent, but before we have reached the ReparentNotify. */ | |
af395ec1 RS |
3319 | XTranslateCoordinates (x_current_display, |
3320 | ||
3321 | /* From-window, to-window. */ | |
6cc35d86 | 3322 | f->display.x->window_desc, |
3bd330d4 | 3323 | ROOT_WINDOW, |
af395ec1 RS |
3324 | |
3325 | /* From-position, to-position. */ | |
6cc35d86 JB |
3326 | -event.xconfigure.border_width, |
3327 | -event.xconfigure.border_width, | |
af395ec1 RS |
3328 | &win_x, &win_y, |
3329 | ||
3330 | /* Child of win. */ | |
3331 | &child); | |
3332 | event.xconfigure.x = win_x; | |
3333 | event.xconfigure.y = win_y; | |
3334 | } | |
3335 | ||
dbc4e1c1 JB |
3336 | f->display.x->pixel_width = event.xconfigure.width; |
3337 | f->display.x->pixel_height = event.xconfigure.height; | |
3338 | f->display.x->left_pos = event.xconfigure.x; | |
3339 | f->display.x->top_pos = event.xconfigure.y; | |
3340 | } | |
3341 | break; | |
dc6f92b8 JB |
3342 | |
3343 | case ButtonPress: | |
3344 | case ButtonRelease: | |
3345 | { | |
3346 | /* If we decide we want to generate an event to be seen | |
3347 | by the rest of Emacs, we put it here. */ | |
3348 | struct input_event emacs_event; | |
3349 | emacs_event.kind = no_event; | |
3350 | ||
f676886a JB |
3351 | f = x_window_to_frame (event.xbutton.window); |
3352 | if (f) | |
f451eb13 JB |
3353 | { |
3354 | if (!x_focus_frame || (f == x_focus_frame)) | |
69388238 | 3355 | construct_mouse_click (&emacs_event, &event, f); |
f451eb13 | 3356 | } |
dc6f92b8 | 3357 | else |
f451eb13 | 3358 | { |
ab648270 JB |
3359 | struct scroll_bar *bar = |
3360 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3361 | |
3362 | if (bar) | |
ab648270 | 3363 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
f451eb13 | 3364 | } |
dc6f92b8 JB |
3365 | |
3366 | if (numchars >= 1 && emacs_event.kind != no_event) | |
3367 | { | |
3368 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3369 | bufp++; | |
3370 | count++; | |
3371 | numchars--; | |
3372 | } | |
3373 | } | |
3374 | break; | |
3375 | ||
c118dd06 | 3376 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3377 | case ButtonPressed: |
3378 | case ButtonReleased: | |
f676886a JB |
3379 | f = x_window_to_frame (event.window); |
3380 | if (f) | |
dc6f92b8 | 3381 | { |
f676886a | 3382 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 3383 | { |
f676886a | 3384 | x_make_frame_visible (f); |
dc6f92b8 JB |
3385 | |
3386 | if (warp_mouse_on_deiconify) | |
c118dd06 | 3387 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
3388 | break; |
3389 | } | |
c118dd06 | 3390 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 3391 | { |
f676886a JB |
3392 | if (f->auto_raise) |
3393 | x_raise_frame (f); | |
dc6f92b8 JB |
3394 | } |
3395 | } | |
3396 | enqueue_event (&event, &x_mouse_queue); | |
3397 | if (numchars >= 2) | |
3398 | { | |
3399 | bufp->kind = ascii_keystroke; | |
69388238 | 3400 | bufp->code = 'X' & 037; /* C-x */ |
12ba150f | 3401 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3402 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3403 | bufp++; |
3404 | ||
3405 | bufp->kind = ascii_keystroke; | |
69388238 | 3406 | bufp->code = 0; /* C-@ */ |
12ba150f | 3407 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3408 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3409 | bufp++; |
3410 | ||
3411 | count += 2; | |
3412 | numchars -= 2; | |
3413 | } | |
3414 | break; | |
c118dd06 | 3415 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3416 | |
3417 | #ifdef HAVE_X11 | |
3418 | ||
3419 | case CirculateNotify: | |
3420 | break; | |
3421 | case CirculateRequest: | |
3422 | break; | |
3423 | ||
c118dd06 | 3424 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3425 | |
3426 | case MappingNotify: | |
11edeb03 JB |
3427 | /* Someone has changed the keyboard mapping - update the |
3428 | local cache. */ | |
3429 | switch (event.xmapping.request) | |
3430 | { | |
3431 | case MappingModifier: | |
3432 | x_find_modifier_meanings (); | |
3433 | /* This is meant to fall through. */ | |
3434 | case MappingKeyboard: | |
3435 | XRefreshKeyboardMapping (&event.xmapping); | |
3436 | } | |
dc6f92b8 JB |
3437 | break; |
3438 | ||
3439 | default: | |
3440 | break; | |
3441 | } | |
3442 | } | |
3443 | ||
dc6f92b8 JB |
3444 | #ifdef HAVE_SELECT |
3445 | if (expected && ! event_found) | |
3446 | { | |
3447 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3448 | there is an EOF condition; in other words, that X has died. | |
3449 | Act as if there had been a hangup. */ | |
dc6f92b8 | 3450 | int fd = ConnectionNumber (x_current_display); |
307feb1f | 3451 | SELECT_TYPE mask, junk1, junk2; |
66f55a9d | 3452 | EMACS_TIME timeout; |
dc6f92b8 | 3453 | |
61c3ce62 RS |
3454 | FD_ZERO (&mask); |
3455 | FD_SET (fd, &mask); | |
66f55a9d | 3456 | EMACS_SET_SECS_USECS (timeout, 0, 0); |
307feb1f RS |
3457 | FD_ZERO (&junk1); |
3458 | FD_ZERO (&junk2); | |
3459 | if (0 != select (fd + 1, &mask, &junk1, &junk2, &timeout) | |
dc6f92b8 JB |
3460 | && !XStuffPending ()) |
3461 | kill (getpid (), SIGHUP); | |
3462 | } | |
61c3ce62 | 3463 | #endif /* HAVE_SELECT */ |
dc6f92b8 | 3464 | |
f451eb13 | 3465 | #ifndef HAVE_X11 |
f676886a | 3466 | if (updating_frame == 0) |
dc6f92b8 | 3467 | x_do_pending_expose (); |
f451eb13 | 3468 | #endif |
dc6f92b8 JB |
3469 | |
3470 | UNBLOCK_INPUT; | |
3471 | return count; | |
3472 | } | |
3473 | ||
3474 | #ifndef HAVE_X11 | |
3475 | /* Read and process only Expose events | |
3476 | until we get an ExposeCopy event; then return. | |
3477 | This is used in insert/delete line. | |
3478 | We assume input is already blocked. */ | |
3479 | ||
3480 | static void | |
3481 | x_read_exposes () | |
3482 | { | |
f676886a | 3483 | struct frame *f; |
dc6f92b8 JB |
3484 | XKeyPressedEvent event; |
3485 | ||
3486 | while (1) | |
3487 | { | |
3488 | /* while there are more events*/ | |
3489 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3490 | switch (event.type) | |
3491 | { | |
3492 | case ExposeWindow: | |
3493 | if (event.subwindow != 0) | |
3494 | break; /* duplicate event */ | |
f676886a JB |
3495 | f = x_window_to_frame (event.window); |
3496 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3497 | { |
f676886a | 3498 | refreshicon (f); |
dc6f92b8 JB |
3499 | break; |
3500 | } | |
c118dd06 | 3501 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3502 | { |
3503 | expose_all_windows = 1; | |
f676886a | 3504 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3505 | break; |
3506 | } | |
3507 | break; | |
3508 | ||
3509 | case ExposeRegion: | |
3510 | if (event.subwindow != 0) | |
3511 | break; /* duplicate event */ | |
f676886a JB |
3512 | f = x_window_to_frame (event.window); |
3513 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3514 | { |
f676886a | 3515 | refreshicon (f); |
dc6f92b8 JB |
3516 | break; |
3517 | } | |
3518 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3519 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3520 | break; |
3521 | /* Put the event on the queue of rectangles to redraw. */ | |
3522 | if (enqueue_event (&event, &x_expose_queue)) | |
3523 | /* If it is full, we can't record the rectangle, | |
3524 | so redraw this entire window. */ | |
3525 | { | |
3526 | /* Say must check all windows' needs_exposure flags. */ | |
3527 | expose_all_windows = 1; | |
f676886a | 3528 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3529 | } |
3530 | break; | |
3531 | ||
3532 | case ExposeCopy: | |
3533 | return; | |
3534 | } | |
3535 | } | |
3536 | } | |
3537 | #endif /* HAVE_X11 */ | |
3538 | ||
dc6f92b8 | 3539 | \f |
f451eb13 JB |
3540 | /* Drawing the cursor. */ |
3541 | ||
3542 | ||
dc6f92b8 JB |
3543 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3544 | ||
3545 | static void | |
f676886a JB |
3546 | x_draw_box (f) |
3547 | struct frame *f; | |
dc6f92b8 | 3548 | { |
12ba150f JB |
3549 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3550 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3551 | int width = FONT_WIDTH (f->display.x->font); |
3552 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3553 | |
3554 | #ifdef HAVE_X11 | |
c118dd06 | 3555 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3556 | f->display.x->cursor_gc, |
dc6f92b8 | 3557 | left, top, width - 1, height - 1); |
c118dd06 JB |
3558 | #else /* ! defined (HAVE_X11) */ |
3559 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3560 | left, top, width, 1, |
f676886a | 3561 | f->display.x->cursor_pixel); |
dc6f92b8 | 3562 | |
c118dd06 | 3563 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3564 | left, top, 1, height, |
f676886a | 3565 | f->display.x->cursor_pixel); |
dc6f92b8 | 3566 | |
c118dd06 | 3567 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3568 | left+width-1, top, 1, height, |
f676886a | 3569 | f->display.x->cursor_pixel); |
dc6f92b8 | 3570 | |
c118dd06 | 3571 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3572 | left, top+height-1, width, 1, |
f676886a | 3573 | f->display.x->cursor_pixel); |
c118dd06 | 3574 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3575 | } |
3576 | ||
f676886a | 3577 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3578 | and mark the cursor as not shown. |
3579 | This is used when the text where the cursor is | |
3580 | is about to be rewritten. */ | |
3581 | ||
3582 | static void | |
f676886a JB |
3583 | clear_cursor (f) |
3584 | struct frame *f; | |
dc6f92b8 JB |
3585 | { |
3586 | int mask; | |
3587 | ||
f451eb13 | 3588 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3589 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3590 | return; |
3591 | ||
3592 | #ifdef HAVE_X11 | |
f676886a | 3593 | x_display_cursor (f, 0); |
c118dd06 JB |
3594 | #else /* ! defined (HAVE_X11) */ |
3595 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3596 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3597 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3598 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3599 | f->display.x->background_pixel); | |
c118dd06 | 3600 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3601 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3602 | } |
3603 | ||
f676886a | 3604 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3605 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3606 | glyph drawn. */ | |
dc6f92b8 JB |
3607 | |
3608 | static void | |
f676886a JB |
3609 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3610 | struct frame *f; | |
dc6f92b8 | 3611 | int row, column; |
90e65f07 | 3612 | GLYPH glyph; |
dc6f92b8 JB |
3613 | int highlight; |
3614 | { | |
f676886a | 3615 | dumpglyphs (f, |
12ba150f JB |
3616 | CHAR_TO_PIXEL_COL (f, column), |
3617 | CHAR_TO_PIXEL_ROW (f, row), | |
07e34cb0 | 3618 | &glyph, 1, highlight); |
dc6f92b8 JB |
3619 | } |
3620 | ||
dc6f92b8 | 3621 | static void |
dbc4e1c1 | 3622 | x_display_bar_cursor (f, on) |
f676886a | 3623 | struct frame *f; |
dc6f92b8 JB |
3624 | int on; |
3625 | { | |
f676886a | 3626 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3627 | |
49d838ea JB |
3628 | /* This is pointless on invisible frames, and dangerous on garbaged |
3629 | frames; in the latter case, the frame may be in the midst of | |
3630 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3631 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
3632 | return; |
3633 | ||
3634 | if (! on && f->phys_cursor_x < 0) | |
3635 | return; | |
3636 | ||
f676886a | 3637 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3638 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3639 | if (f != updating_frame) |
1113d9db | 3640 | { |
f676886a JB |
3641 | curs_x = FRAME_CURSOR_X (f); |
3642 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3643 | } |
3644 | ||
dbc4e1c1 JB |
3645 | /* If there is anything wrong with the current cursor state, remove it. */ |
3646 | if (f->phys_cursor_x >= 0 | |
3647 | && (!on | |
3648 | || f->phys_cursor_x != curs_x | |
3649 | || f->phys_cursor_y != curs_y | |
3650 | || f->display.x->current_cursor != bar_cursor)) | |
3651 | { | |
3652 | /* Erase the cursor by redrawing the character underneath it. */ | |
3653 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3654 | f->phys_cursor_glyph, | |
3655 | current_glyphs->highlight[f->phys_cursor_y]); | |
3656 | f->phys_cursor_x = -1; | |
3657 | } | |
3658 | ||
3659 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3660 | if (on | |
3661 | && (f->phys_cursor_x < 0 | |
3662 | || (f->display.x->current_cursor != bar_cursor))) | |
3663 | { | |
3664 | f->phys_cursor_glyph | |
3665 | = ((current_glyphs->enable[curs_y] | |
3666 | && curs_x < current_glyphs->used[curs_y]) | |
3667 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3668 | : SPACEGLYPH); | |
3669 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3670 | f->display.x->cursor_gc, | |
3671 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3672 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3673 | 1, FONT_HEIGHT (f->display.x->font)); | |
3674 | ||
3675 | f->phys_cursor_x = curs_x; | |
3676 | f->phys_cursor_y = curs_y; | |
3677 | ||
3678 | f->display.x->current_cursor = bar_cursor; | |
3679 | } | |
3680 | ||
3681 | if (updating_frame != f) | |
3682 | XFlushQueue (); | |
3683 | } | |
3684 | ||
3685 | ||
3686 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3687 | If ON is nonzero, where to put the cursor is specified | |
3688 | by F->cursor_x and F->cursor_y. */ | |
3689 | ||
3690 | static void | |
3691 | x_display_box_cursor (f, on) | |
3692 | struct frame *f; | |
3693 | int on; | |
3694 | { | |
3695 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3696 | ||
49d838ea JB |
3697 | /* This is pointless on invisible frames, and dangerous on garbaged |
3698 | frames; in the latter case, the frame may be in the midst of | |
3699 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3700 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
3701 | return; |
3702 | ||
3703 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3704 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3705 | return; |
3706 | ||
dbc4e1c1 JB |
3707 | /* If we're not updating, then we want to use the current frame's |
3708 | cursor position, not our local idea of where the cursor ought to be. */ | |
3709 | if (f != updating_frame) | |
3710 | { | |
3711 | curs_x = FRAME_CURSOR_X (f); | |
3712 | curs_y = FRAME_CURSOR_Y (f); | |
3713 | } | |
3714 | ||
dc6f92b8 JB |
3715 | /* If cursor is currently being shown and we don't want it to be |
3716 | or it is in the wrong place, | |
3717 | or we want a hollow box and it's not so, (pout!) | |
3718 | erase it. */ | |
f676886a | 3719 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3720 | && (!on |
f676886a JB |
3721 | || f->phys_cursor_x != curs_x |
3722 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3723 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3724 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3725 | { |
3726 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3727 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3728 | f->phys_cursor_glyph, | |
3729 | current_glyphs->highlight[f->phys_cursor_y]); | |
3730 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3731 | } |
3732 | ||
3733 | /* If we want to show a cursor, | |
3734 | or we want a box cursor and it's not so, | |
3735 | write it in the right place. */ | |
3736 | if (on | |
f676886a | 3737 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3738 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3739 | && f == x_highlight_frame))) |
dc6f92b8 | 3740 | { |
f676886a | 3741 | f->phys_cursor_glyph |
1113d9db JB |
3742 | = ((current_glyphs->enable[curs_y] |
3743 | && curs_x < current_glyphs->used[curs_y]) | |
3744 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3745 | : SPACEGLYPH); |
f676886a | 3746 | if (f != x_highlight_frame) |
dc6f92b8 | 3747 | { |
f676886a | 3748 | x_draw_box (f); |
dbc4e1c1 | 3749 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3750 | } |
3751 | else | |
3752 | { | |
f676886a JB |
3753 | x_draw_single_glyph (f, curs_y, curs_x, |
3754 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3755 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3756 | } |
3757 | ||
f676886a JB |
3758 | f->phys_cursor_x = curs_x; |
3759 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3760 | } |
3761 | ||
f676886a | 3762 | if (updating_frame != f) |
dc6f92b8 JB |
3763 | XFlushQueue (); |
3764 | } | |
3765 | ||
f676886a JB |
3766 | x_display_cursor (f, on) |
3767 | struct frame *f; | |
dc6f92b8 JB |
3768 | int on; |
3769 | { | |
dbc4e1c1 | 3770 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3771 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3772 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3773 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3774 | else |
3775 | /* Those are the only two we have implemented! */ | |
3776 | abort (); | |
dc6f92b8 JB |
3777 | } |
3778 | \f | |
3779 | /* Icons. */ | |
3780 | ||
f676886a | 3781 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3782 | when we get an expose event for it. */ |
3783 | ||
f676886a JB |
3784 | refreshicon (f) |
3785 | struct frame *f; | |
dc6f92b8 JB |
3786 | { |
3787 | #ifdef HAVE_X11 | |
3788 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3789 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3790 | int mask; |
3791 | ||
f676886a JB |
3792 | if (f->display.x->icon_bitmap_flag) |
3793 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3794 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3795 | icon_bitmap, GXcopy, AllPlanes); | |
3796 | else | |
3797 | { | |
f676886a | 3798 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3799 | struct Lisp_String *str; |
3800 | unsigned char *string; | |
3801 | ||
3802 | string | |
f676886a | 3803 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3804 | |
f676886a | 3805 | if (f->display.x->icon_label != string) |
dc6f92b8 | 3806 | { |
f676886a JB |
3807 | f->display.x->icon_label = string; |
3808 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
3809 | XQueryWidth (string, icon_font_info->id) + 10, |
3810 | icon_font_info->height + 10); | |
3811 | } | |
3812 | ||
f676886a | 3813 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
3814 | str->size, icon_font_info->id, |
3815 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
3816 | } | |
3817 | XFlushQueue (); | |
c118dd06 | 3818 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3819 | } |
3820 | ||
dbc4e1c1 | 3821 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
3822 | |
3823 | int | |
f676886a JB |
3824 | x_bitmap_icon (f) |
3825 | struct frame *f; | |
dc6f92b8 JB |
3826 | { |
3827 | int mask; | |
3828 | Window icon_window; | |
3829 | ||
c118dd06 | 3830 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3831 | return 1; |
3832 | ||
3833 | #ifdef HAVE_X11 | |
8583db58 RS |
3834 | if (! icon_bitmap) |
3835 | icon_bitmap = | |
3836 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), | |
3837 | gnu_bits, gnu_width, gnu_height); | |
f676886a JB |
3838 | x_wm_set_icon_pixmap (f, icon_bitmap); |
3839 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 3840 | #else /* ! defined (HAVE_X11) */ |
f676886a | 3841 | if (f->display.x->icon_desc) |
dc6f92b8 | 3842 | { |
c118dd06 | 3843 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 3844 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
3845 | } |
3846 | ||
f676886a | 3847 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
3848 | 0, 0, sink_width, sink_height, |
3849 | 2, WhitePixmap, (Pixmap) NULL); | |
3850 | ||
3851 | if (icon_window == 0) | |
3852 | return 1; | |
3853 | ||
c118dd06 | 3854 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3855 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
3856 | ||
f676886a JB |
3857 | f->display.x->icon_desc = icon_window; |
3858 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
3859 | |
3860 | if (icon_bitmap == 0) | |
3861 | icon_bitmap | |
3862 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 3863 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3864 | |
3865 | return 0; | |
3866 | } | |
3867 | ||
3868 | ||
f676886a | 3869 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
3870 | |
3871 | int | |
f676886a JB |
3872 | x_text_icon (f, icon_name) |
3873 | struct frame *f; | |
dc6f92b8 JB |
3874 | char *icon_name; |
3875 | { | |
3876 | #ifndef HAVE_X11 | |
3877 | int mask; | |
3878 | int width; | |
3879 | Window icon_window; | |
3880 | char *X_DefaultValue; | |
3881 | Bitmap b1; | |
3882 | ||
dc6f92b8 JB |
3883 | #ifndef WhitePixel |
3884 | #define WhitePixel 1 | |
c118dd06 | 3885 | #endif /* WhitePixel */ |
dc6f92b8 JB |
3886 | |
3887 | #ifndef BlackPixel | |
3888 | #define BlackPixel 0 | |
c118dd06 JB |
3889 | #endif /* BlackPixel */ |
3890 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 3891 | |
c118dd06 | 3892 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
3893 | return 1; |
3894 | ||
dc6f92b8 JB |
3895 | #ifdef HAVE_X11 |
3896 | if (icon_name) | |
f676886a | 3897 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 3898 | else |
f676886a JB |
3899 | if (! f->display.x->icon_label) |
3900 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 3901 | |
dfeccd2d | 3902 | #if 0 |
c118dd06 | 3903 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3904 | (char *) f->display.x->icon_label); |
dfeccd2d | 3905 | #endif |
dc6f92b8 | 3906 | |
f676886a | 3907 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 3908 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 3909 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
3910 | if (icon_font_info == 0) |
3911 | icon_font_info | |
3912 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 3913 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
3914 | "BodyFont")); |
3915 | ||
f676886a | 3916 | if (f->display.x->icon_desc) |
dc6f92b8 | 3917 | { |
c118dd06 | 3918 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 3919 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
3920 | } |
3921 | ||
3922 | if (icon_name) | |
f676886a | 3923 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 3924 | else |
f676886a JB |
3925 | if (! f->display.x->icon_label) |
3926 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 3927 | |
f676886a JB |
3928 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
3929 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
3930 | f->display.x->left_pos, | |
3931 | f->display.x->top_pos, | |
dc6f92b8 JB |
3932 | width + 10, icon_font_info->height + 10, |
3933 | 2, BlackPixmap, WhitePixmap); | |
3934 | ||
3935 | if (icon_window == 0) | |
3936 | return 1; | |
3937 | ||
c118dd06 | 3938 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
3939 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
3940 | ||
f676886a JB |
3941 | f->display.x->icon_desc = icon_window; |
3942 | f->display.x->icon_bitmap_flag = 0; | |
3943 | f->display.x->icon_label = 0; | |
c118dd06 | 3944 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3945 | |
3946 | return 0; | |
3947 | } | |
3948 | \f | |
4746118a JB |
3949 | /* Handling X errors. */ |
3950 | ||
12ba150f JB |
3951 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
3952 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 3953 | |
4746118a | 3954 | static SIGTYPE |
c118dd06 | 3955 | x_connection_closed () |
4746118a JB |
3956 | { |
3957 | if (_Xdebug) | |
3958 | abort (); | |
12ba150f | 3959 | |
1cd2d6d4 | 3960 | shut_down_emacs (0, 1, Qnil); |
12ba150f JB |
3961 | |
3962 | exit (70); | |
4746118a JB |
3963 | } |
3964 | ||
8922af5f JB |
3965 | /* An X error handler which prints an error message and then kills |
3966 | Emacs. This is what's normally installed as Xlib's handler for | |
3967 | protocol errors. */ | |
c118dd06 JB |
3968 | static int |
3969 | x_error_quitter (display, error) | |
3970 | Display *display; | |
3971 | XErrorEvent *error; | |
3972 | { | |
3973 | char buf[256]; | |
dc6f92b8 | 3974 | |
c118dd06 JB |
3975 | /* Note that there is no real way portable across R3/R4 to get the |
3976 | original error handler. */ | |
dc6f92b8 | 3977 | |
c118dd06 JB |
3978 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
3979 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
3980 | buf, error->request_code); | |
dc6f92b8 | 3981 | |
e09f9351 | 3982 | #if 0 |
12ba150f JB |
3983 | /* While we're testing Emacs 19, we'll just dump core whenever we |
3984 | get an X error, so we can figure out why it happened. */ | |
3985 | abort (); | |
e09f9351 | 3986 | #endif |
12ba150f | 3987 | |
c118dd06 | 3988 | x_connection_closed (); |
dc6f92b8 JB |
3989 | } |
3990 | ||
8922af5f JB |
3991 | /* A handler for X IO errors which prints an error message and then |
3992 | kills Emacs. This is what is always installed as Xlib's handler | |
3993 | for I/O errors. */ | |
3994 | static int | |
3995 | x_io_error_quitter (display) | |
3996 | Display *display; | |
3997 | { | |
3998 | fprintf (stderr, "Connection to X server %s lost.\n", | |
3999 | XDisplayName (DisplayString (display))); | |
4000 | ||
e09f9351 | 4001 | #if 0 |
8922af5f JB |
4002 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4003 | get an X error, so we can figure out why it happened. */ | |
4004 | abort (); | |
e09f9351 | 4005 | #endif |
8922af5f JB |
4006 | |
4007 | x_connection_closed (); | |
4008 | } | |
4009 | ||
c118dd06 | 4010 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4011 | static char *x_caught_error_message; |
4012 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4013 | |
4014 | /* An X error handler which stores the error message in | |
4015 | x_caught_error_message. This is what's installed when | |
4016 | x_catch_errors is in effect. */ | |
4017 | static int | |
4018 | x_error_catcher (display, error) | |
4019 | Display *display; | |
4020 | XErrorEvent *error; | |
4021 | { | |
4022 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4023 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4024 | } |
4025 | ||
4026 | ||
4027 | /* Begin trapping X errors. | |
dc6f92b8 | 4028 | |
c118dd06 JB |
4029 | After calling this function, X protocol errors no longer cause |
4030 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4031 | |
c118dd06 JB |
4032 | Calling x_check_errors signals an Emacs error if an X error has |
4033 | occurred since the last call to x_catch_errors or x_check_errors. | |
4034 | ||
4035 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4036 | ||
4037 | void x_catch_errors(), x_check_errors (), x_uncatch_errors (); | |
4038 | ||
4039 | void | |
4040 | x_catch_errors () | |
dc6f92b8 | 4041 | { |
c118dd06 JB |
4042 | /* Make sure any errors from previous requests have been dealt with. */ |
4043 | XSync (x_current_display, False); | |
dc6f92b8 | 4044 | |
c118dd06 | 4045 | /* Set up the error buffer. */ |
60f9aad3 | 4046 | x_caught_error_message |
cef13e55 RS |
4047 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4048 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4049 | |
c118dd06 JB |
4050 | /* Install our little error handler. */ |
4051 | XHandleError (x_error_catcher); | |
4052 | } | |
16bd92ea | 4053 | |
c118dd06 JB |
4054 | /* If any X protocol errors have arrived since the last call to |
4055 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4056 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
4057 | void | |
4058 | x_check_errors (format) | |
4059 | char *format; | |
4060 | { | |
4061 | /* Make sure to catch any errors incurred so far. */ | |
4062 | XSync (x_current_display, False); | |
16bd92ea | 4063 | |
cef13e55 | 4064 | if (x_caught_error_message[0]) |
c118dd06 | 4065 | { |
cef13e55 | 4066 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4067 | |
cef13e55 | 4068 | sprintf (buf, format, x_caught_error_message); |
c118dd06 JB |
4069 | x_uncatch_errors (); |
4070 | error (buf); | |
4071 | } | |
4072 | } | |
4073 | ||
4074 | void | |
4075 | x_uncatch_errors () | |
4076 | { | |
9ac0d9e0 | 4077 | xfree (x_caught_error_message); |
cef13e55 | 4078 | x_caught_error_message = 0; |
c118dd06 | 4079 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
4080 | } |
4081 | ||
dc6f92b8 JB |
4082 | #if 0 |
4083 | static unsigned int x_wire_count; | |
4084 | x_trace_wire () | |
4085 | { | |
4086 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4087 | } | |
c118dd06 | 4088 | #endif /* ! 0 */ |
dc6f92b8 JB |
4089 | |
4090 | \f | |
f451eb13 JB |
4091 | /* Changing the font of the frame. */ |
4092 | ||
f676886a | 4093 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 4094 | to the font named NEWNAME. This is safe to use |
f676886a | 4095 | even before F has an actual x-window. */ |
dc6f92b8 JB |
4096 | |
4097 | #ifdef HAVE_X11 | |
4098 | ||
2224a5fc RS |
4099 | struct font_info |
4100 | { | |
4101 | XFontStruct *font; | |
4102 | char *name; | |
4103 | }; | |
4104 | ||
dc6f92b8 | 4105 | /* A table of all the fonts we have already loaded. */ |
2224a5fc | 4106 | static struct font_info *x_font_table; |
dc6f92b8 JB |
4107 | |
4108 | /* The current capacity of x_font_table. */ | |
4109 | static int x_font_table_size; | |
4110 | ||
4111 | /* The number of fonts actually stored in x_font_table. | |
4112 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
4113 | 0 <= n_fonts <= x_font_table_size. */ | |
4114 | static int n_fonts; | |
4115 | ||
b5cf7a0e | 4116 | Lisp_Object |
f676886a JB |
4117 | x_new_font (f, fontname) |
4118 | struct frame *f; | |
dc6f92b8 JB |
4119 | register char *fontname; |
4120 | { | |
dc6f92b8 JB |
4121 | int already_loaded; |
4122 | int n_matching_fonts; | |
4123 | XFontStruct *font_info; | |
4124 | char **font_names; | |
4125 | ||
4126 | /* Get a list of all the fonts that match this name. Once we | |
4127 | have a list of matching fonts, we compare them against the fonts | |
4128 | we already have by comparing font ids. */ | |
2224a5fc RS |
4129 | font_names = (char **) XListFonts (x_current_display, fontname, |
4130 | 1024, &n_matching_fonts); | |
0c94f6ee JB |
4131 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4132 | find any matches; font_names == 0 is the only clue. */ | |
4133 | if (! font_names) | |
4134 | n_matching_fonts = 0; | |
4135 | ||
5835f860 RS |
4136 | /* Don't just give up if n_matching_fonts is 0. |
4137 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4138 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 4139 | |
90e65f07 | 4140 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
4141 | already_loaded = -1; |
4142 | if (n_matching_fonts != 0) | |
4143 | { | |
4144 | int i, j; | |
dc6f92b8 | 4145 | |
5835f860 RS |
4146 | for (i = 0; i < n_fonts; i++) |
4147 | for (j = 0; j < n_matching_fonts; j++) | |
2224a5fc | 4148 | if (!strcmp (x_font_table[i].name, font_names[j])) |
5835f860 RS |
4149 | { |
4150 | already_loaded = i; | |
4151 | fontname = font_names[j]; | |
4152 | goto found_font; | |
4153 | } | |
4154 | } | |
dc6f92b8 JB |
4155 | found_font: |
4156 | ||
4157 | /* If we have, just return it from the table. */ | |
2224a5fc RS |
4158 | if (already_loaded >= 0) |
4159 | f->display.x->font = x_font_table[already_loaded].font; | |
90e65f07 | 4160 | |
dc6f92b8 JB |
4161 | /* Otherwise, load the font and add it to the table. */ |
4162 | else | |
4163 | { | |
9696f58b | 4164 | int i; |
dc6f92b8 JB |
4165 | XFontStruct *font; |
4166 | ||
9696f58b | 4167 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
4168 | #if 0 |
4169 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
4170 | for (i = 0; i < n_matching_fonts; i++) |
4171 | if (! font_info[i].per_char) | |
4172 | break; | |
f126bd67 JB |
4173 | #else |
4174 | i = 0; | |
4175 | #endif | |
9696f58b | 4176 | |
5835f860 RS |
4177 | /* See comment above. */ |
4178 | if (n_matching_fonts != 0) | |
9696f58b JB |
4179 | fontname = font_names[i]; |
4180 | ||
dc6f92b8 JB |
4181 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
4182 | if (! font) | |
5835f860 | 4183 | { |
2224a5fc | 4184 | /* Free the information from XListFonts. */ |
5835f860 | 4185 | if (n_matching_fonts) |
2224a5fc | 4186 | XFreeFontNames (font_names); |
5835f860 RS |
4187 | return Qnil; |
4188 | } | |
dc6f92b8 JB |
4189 | |
4190 | /* Do we need to create the table? */ | |
4191 | if (x_font_table_size == 0) | |
4192 | { | |
4193 | x_font_table_size = 16; | |
4194 | x_font_table | |
2224a5fc RS |
4195 | = (struct font_info *) xmalloc (x_font_table_size |
4196 | * sizeof (x_font_table[0])); | |
dc6f92b8 JB |
4197 | } |
4198 | /* Do we need to grow the table? */ | |
4199 | else if (n_fonts >= x_font_table_size) | |
4200 | { | |
90e65f07 | 4201 | x_font_table_size *= 2; |
dc6f92b8 | 4202 | x_font_table |
2224a5fc RS |
4203 | = (struct font_info *) xrealloc (x_font_table, |
4204 | (x_font_table_size | |
4205 | * sizeof (x_font_table[0]))); | |
dc6f92b8 JB |
4206 | } |
4207 | ||
dff815ef | 4208 | x_font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); |
2224a5fc RS |
4209 | bcopy (fontname, x_font_table[n_fonts].name, strlen (fontname) + 1); |
4210 | f->display.x->font = x_font_table[n_fonts++].font = font; | |
dc6f92b8 | 4211 | } |
2224a5fc | 4212 | |
f676886a | 4213 | /* Now make the frame display the given font. */ |
c118dd06 | 4214 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4215 | { |
f676886a JB |
4216 | XSetFont (x_current_display, f->display.x->normal_gc, |
4217 | f->display.x->font->fid); | |
4218 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
4219 | f->display.x->font->fid); | |
4220 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
4221 | f->display.x->font->fid); | |
4222 | ||
4223 | x_set_window_size (f, f->width, f->height); | |
dc6f92b8 JB |
4224 | } |
4225 | ||
b5cf7a0e JB |
4226 | { |
4227 | Lisp_Object lispy_name = build_string (fontname); | |
4228 | ||
4229 | ||
2224a5fc | 4230 | /* Free the information from XListFonts. The data |
b5cf7a0e | 4231 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 4232 | XFreeFontNames (font_names); |
b5cf7a0e JB |
4233 | |
4234 | return lispy_name; | |
4235 | } | |
dc6f92b8 | 4236 | } |
c118dd06 | 4237 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
4238 | x_new_font (f, newname) |
4239 | struct frame *f; | |
dc6f92b8 JB |
4240 | register char *newname; |
4241 | { | |
4242 | FONT_TYPE *temp; | |
4243 | int mask; | |
4244 | ||
4245 | temp = XGetFont (newname); | |
4246 | if (temp == (FONT_TYPE *) 0) | |
4247 | return 1; | |
4248 | ||
f676886a JB |
4249 | if (f->display.x->font) |
4250 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 4251 | |
f676886a | 4252 | f->display.x->font = temp; |
dc6f92b8 | 4253 | |
c118dd06 | 4254 | if (FRAME_X_WINDOW (f) != 0) |
f676886a | 4255 | x_set_window_size (f, f->width, f->height); |
dc6f92b8 JB |
4256 | |
4257 | return 0; | |
4258 | } | |
c118dd06 | 4259 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4260 | \f |
f451eb13 JB |
4261 | /* X Window sizes and positions. */ |
4262 | ||
f676886a JB |
4263 | x_calc_absolute_position (f) |
4264 | struct frame *f; | |
dc6f92b8 JB |
4265 | { |
4266 | #ifdef HAVE_X11 | |
6dba1858 RS |
4267 | Window win, child; |
4268 | int win_x = 0, win_y = 0; | |
4269 | ||
4270 | /* Find the position of the outside upper-left corner of | |
4271 | the inner window, with respect to the outer window. */ | |
4272 | if (f->display.x->parent_desc != ROOT_WINDOW) | |
4273 | { | |
4274 | BLOCK_INPUT; | |
4275 | XTranslateCoordinates (x_current_display, | |
4276 | ||
4277 | /* From-window, to-window. */ | |
4278 | f->display.x->window_desc, | |
4279 | f->display.x->parent_desc, | |
4280 | ||
4281 | /* From-position, to-position. */ | |
4282 | 0, 0, &win_x, &win_y, | |
4283 | ||
4284 | /* Child of win. */ | |
4285 | &child); | |
4286 | UNBLOCK_INPUT; | |
4287 | } | |
4288 | ||
4289 | /* Treat negative positions as relative to the leftmost bottommost | |
4290 | position that fits on the screen. */ | |
f676886a | 4291 | if (f->display.x->left_pos < 0) |
31ea78fd | 4292 | f->display.x->left_pos = (x_screen_width |
69388238 | 4293 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
4294 | - PIXEL_WIDTH (f) |
4295 | + f->display.x->left_pos); | |
dc6f92b8 | 4296 | |
f676886a | 4297 | if (f->display.x->top_pos < 0) |
31ea78fd | 4298 | f->display.x->top_pos = (x_screen_height |
69388238 | 4299 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
4300 | - PIXEL_HEIGHT (f) |
4301 | + f->display.x->top_pos); | |
6dba1858 | 4302 | |
c118dd06 | 4303 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4304 | WINDOWINFO_TYPE parentinfo; |
4305 | ||
c118dd06 | 4306 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 4307 | |
f676886a JB |
4308 | if (f->display.x->left_pos < 0) |
4309 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
4310 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 4311 | |
f676886a JB |
4312 | if (f->display.x->top_pos < 0) |
4313 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
4314 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 4315 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4316 | } |
4317 | ||
f676886a JB |
4318 | x_set_offset (f, xoff, yoff) |
4319 | struct frame *f; | |
dc6f92b8 JB |
4320 | register int xoff, yoff; |
4321 | { | |
f676886a JB |
4322 | f->display.x->top_pos = yoff; |
4323 | f->display.x->left_pos = xoff; | |
4324 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
4325 | |
4326 | BLOCK_INPUT; | |
c118dd06 | 4327 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 4328 | f->display.x->left_pos, f->display.x->top_pos); |
dc6f92b8 | 4329 | #ifdef HAVE_X11 |
6dba1858 | 4330 | x_wm_set_size_hint (f, 0, xoff, yoff); |
c118dd06 | 4331 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4332 | UNBLOCK_INPUT; |
4333 | } | |
4334 | ||
f676886a | 4335 | /* Call this to change the size of frame F's x-window. */ |
dc6f92b8 | 4336 | |
f676886a JB |
4337 | x_set_window_size (f, cols, rows) |
4338 | struct frame *f; | |
b1c884c3 | 4339 | int cols, rows; |
dc6f92b8 JB |
4340 | { |
4341 | int pixelwidth, pixelheight; | |
4342 | int mask; | |
dc6f92b8 JB |
4343 | |
4344 | BLOCK_INPUT; | |
4345 | ||
b1c884c3 | 4346 | check_frame_size (f, &rows, &cols); |
6dba1858 RS |
4347 | f->display.x->vertical_scroll_bar_extra |
4348 | = (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
4349 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
4350 | : 0); | |
f451eb13 JB |
4351 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
4352 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
4353 | |
4354 | #ifdef HAVE_X11 | |
6dba1858 | 4355 | x_wm_set_size_hint (f, 0, 0, 0); |
c118dd06 JB |
4356 | #endif /* ! defined (HAVE_X11) */ |
4357 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
4358 | |
4359 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4360 | but the window manager will get around to dealing with the size | |
4361 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4362 | ConfigureNotify event gets here. |
4363 | ||
4364 | We could just not bother storing any of this information here, | |
4365 | and let the ConfigureNotify event set everything up, but that | |
4366 | might be kind of confusing to the lisp code, since size changes | |
4367 | wouldn't be reported in the frame parameters until some random | |
4368 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4369 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4370 | PIXEL_WIDTH (f) = pixelwidth; |
4371 | PIXEL_HEIGHT (f) = pixelheight; | |
4372 | ||
dbc4e1c1 JB |
4373 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4374 | receive in the ConfigureNotify event; if we get what we asked | |
4375 | for, then the event won't cause the screen to become garbaged, so | |
4376 | we have to make sure to do it here. */ | |
4377 | SET_FRAME_GARBAGED (f); | |
4378 | ||
dc6f92b8 JB |
4379 | XFlushQueue (); |
4380 | UNBLOCK_INPUT; | |
4381 | } | |
4382 | ||
4383 | #ifndef HAVE_X11 | |
f676886a JB |
4384 | x_set_resize_hint (f) |
4385 | struct frame *f; | |
dc6f92b8 | 4386 | { |
12ba150f JB |
4387 | XSetResizeHint (FRAME_X_WINDOW (f), |
4388 | 2 * f->display.x->internal_border_width, | |
f676886a | 4389 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
4390 | FONT_WIDTH (f->display.x->font), |
4391 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 4392 | } |
c118dd06 | 4393 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4394 | \f |
f451eb13 | 4395 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4396 | |
f676886a JB |
4397 | x_set_mouse_position (f, x, y) |
4398 | struct frame *f; | |
dc6f92b8 JB |
4399 | int x, y; |
4400 | { | |
4401 | int pix_x, pix_y; | |
4402 | ||
f676886a | 4403 | x_raise_frame (f); |
dc6f92b8 | 4404 | |
12ba150f JB |
4405 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
4406 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
4407 | |
4408 | if (pix_x < 0) pix_x = 0; | |
4409 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4410 | ||
4411 | if (pix_y < 0) pix_y = 0; | |
4412 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4413 | |
4414 | BLOCK_INPUT; | |
dc6f92b8 | 4415 | |
c118dd06 | 4416 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
4417 | UNBLOCK_INPUT; |
4418 | } | |
4419 | ||
4420 | #ifdef HAVE_X11 | |
f676886a JB |
4421 | x_focus_on_frame (f) |
4422 | struct frame *f; | |
dc6f92b8 | 4423 | { |
1fb20991 | 4424 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 4425 | x_raise_frame (f); |
1fb20991 | 4426 | #endif |
6d4238f3 JB |
4427 | #if 0 |
4428 | /* I don't think that the ICCCM allows programs to do things like this | |
4429 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4430 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 4431 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 4432 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4433 | #endif /* ! 0 */ |
dc6f92b8 JB |
4434 | } |
4435 | ||
f676886a JB |
4436 | x_unfocus_frame (f) |
4437 | struct frame *f; | |
dc6f92b8 | 4438 | { |
6d4238f3 | 4439 | #if 0 |
f676886a JB |
4440 | /* Look at the remarks in x_focus_on_frame. */ |
4441 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4442 | XSetInputFocus (x_current_display, PointerRoot, |
4443 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4444 | #endif /* ! 0 */ |
dc6f92b8 JB |
4445 | } |
4446 | ||
c118dd06 | 4447 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4448 | |
f676886a | 4449 | /* Raise frame F. */ |
dc6f92b8 | 4450 | |
f676886a JB |
4451 | x_raise_frame (f) |
4452 | struct frame *f; | |
dc6f92b8 | 4453 | { |
3a88c238 | 4454 | if (f->async_visible) |
dc6f92b8 JB |
4455 | { |
4456 | BLOCK_INPUT; | |
c118dd06 | 4457 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4458 | XFlushQueue (); |
4459 | UNBLOCK_INPUT; | |
4460 | } | |
4461 | } | |
4462 | ||
f676886a | 4463 | /* Lower frame F. */ |
dc6f92b8 | 4464 | |
f676886a JB |
4465 | x_lower_frame (f) |
4466 | struct frame *f; | |
dc6f92b8 | 4467 | { |
3a88c238 | 4468 | if (f->async_visible) |
dc6f92b8 JB |
4469 | { |
4470 | BLOCK_INPUT; | |
c118dd06 | 4471 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
dc6f92b8 JB |
4472 | XFlushQueue (); |
4473 | UNBLOCK_INPUT; | |
4474 | } | |
4475 | } | |
4476 | ||
dbc4e1c1 JB |
4477 | static void |
4478 | XTframe_raise_lower (f, raise) | |
4479 | FRAME_PTR f; | |
4480 | int raise; | |
4481 | { | |
4482 | if (raise) | |
4483 | x_raise_frame (f); | |
4484 | else | |
4485 | x_lower_frame (f); | |
4486 | } | |
4487 | ||
4488 | ||
dc6f92b8 JB |
4489 | /* Change from withdrawn state to mapped state. */ |
4490 | ||
f676886a JB |
4491 | x_make_frame_visible (f) |
4492 | struct frame *f; | |
dc6f92b8 JB |
4493 | { |
4494 | int mask; | |
4495 | ||
dc6f92b8 | 4496 | BLOCK_INPUT; |
dc6f92b8 | 4497 | |
f676886a | 4498 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
4499 | { |
4500 | #ifdef HAVE_X11 | |
4501 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4502 | x_wm_set_window_state (f, NormalState); |
dc6f92b8 | 4503 | |
c118dd06 | 4504 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
ab648270 | 4505 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
4506 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4507 | #else /* ! defined (HAVE_X11) */ | |
4508 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4509 | if (f->display.x->icon_desc != 0) |
4510 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4511 | |
90e65f07 | 4512 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4513 | f->async_visible = 1; |
4514 | f->async_iconified = 0; | |
dc6f92b8 | 4515 | |
f676886a | 4516 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4517 | XTcursor_to (0, 0); |
c118dd06 | 4518 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4519 | } |
dc6f92b8 | 4520 | |
dc6f92b8 | 4521 | XFlushQueue (); |
90e65f07 | 4522 | |
dc6f92b8 JB |
4523 | UNBLOCK_INPUT; |
4524 | } | |
4525 | ||
4526 | /* Change from mapped state to withdrawn state. */ | |
4527 | ||
f676886a JB |
4528 | x_make_frame_invisible (f) |
4529 | struct frame *f; | |
dc6f92b8 JB |
4530 | { |
4531 | int mask; | |
4532 | ||
9319ae23 RS |
4533 | /* Don't keep the highlight on an invisible frame. */ |
4534 | if (x_highlight_frame == f) | |
4535 | x_highlight_frame = 0; | |
4536 | ||
4537 | if (! f->async_visible && ! f->async_iconified) | |
dc6f92b8 JB |
4538 | return; |
4539 | ||
4540 | BLOCK_INPUT; | |
c118dd06 JB |
4541 | |
4542 | #ifdef HAVE_X11R4 | |
4543 | ||
4544 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), | |
4545 | DefaultScreen (x_current_display))) | |
4546 | { | |
4547 | UNBLOCK_INPUT_RESIGNAL; | |
eb8c3be9 | 4548 | error ("can't notify window manager of window withdrawal"); |
c118dd06 JB |
4549 | } |
4550 | ||
4551 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4552 | #ifdef HAVE_X11 |
16bd92ea | 4553 | |
c118dd06 | 4554 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4555 | if (! EQ (Vx_no_window_manager, Qt)) |
4556 | { | |
16bd92ea | 4557 | XEvent unmap; |
dc6f92b8 | 4558 | |
16bd92ea | 4559 | unmap.xunmap.type = UnmapNotify; |
c118dd06 | 4560 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4561 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4562 | unmap.xunmap.from_configure = False; | |
4563 | if (! XSendEvent (x_current_display, | |
4564 | DefaultRootWindow (x_current_display), | |
4565 | False, | |
4566 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4567 | &unmap)) | |
4568 | { | |
4569 | UNBLOCK_INPUT_RESIGNAL; | |
4570 | error ("can't notify window manager of withdrawal"); | |
4571 | } | |
dc6f92b8 JB |
4572 | } |
4573 | ||
16bd92ea | 4574 | /* Unmap the window ourselves. Cheeky! */ |
c118dd06 JB |
4575 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
4576 | ||
4577 | #else /* ! defined (HAVE_X11) */ | |
dc6f92b8 | 4578 | |
c118dd06 | 4579 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4580 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4581 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4582 | XUnmapWindow (f->display.x->icon_desc); |
4583 | ||
4584 | #endif /* ! defined (HAVE_X11) */ | |
4585 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4586 | |
4587 | XFlushQueue (); | |
4588 | UNBLOCK_INPUT; | |
4589 | } | |
4590 | ||
dc6f92b8 JB |
4591 | /* Change window state from mapped to iconified. */ |
4592 | ||
f676886a JB |
4593 | x_iconify_frame (f) |
4594 | struct frame *f; | |
dc6f92b8 JB |
4595 | { |
4596 | int mask; | |
4597 | ||
9319ae23 RS |
4598 | /* Don't keep the highlight on an invisible frame. */ |
4599 | if (x_highlight_frame == f) | |
4600 | x_highlight_frame = 0; | |
4601 | ||
3a88c238 | 4602 | if (f->async_iconified) |
dc6f92b8 JB |
4603 | return; |
4604 | ||
4605 | BLOCK_INPUT; | |
4606 | ||
4607 | #ifdef HAVE_X11 | |
16bd92ea JB |
4608 | /* Since we don't know which revision of X we're running, we'll use both |
4609 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4610 | ||
4611 | /* X11R4: send a ClientMessage to the window manager using the | |
4612 | WM_CHANGE_STATE type. */ | |
4613 | { | |
4614 | XEvent message; | |
4615 | ||
c118dd06 | 4616 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4617 | message.xclient.type = ClientMessage; |
4618 | message.xclient.message_type = Xatom_wm_change_state; | |
4619 | message.xclient.format = 32; | |
4620 | message.xclient.data.l[0] = IconicState; | |
4621 | ||
4622 | if (! XSendEvent (x_current_display, | |
4623 | DefaultRootWindow (x_current_display), | |
4624 | False, | |
4625 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4626 | &message)) | |
dc6f92b8 JB |
4627 | { |
4628 | UNBLOCK_INPUT_RESIGNAL; | |
4629 | error ("Can't notify window manager of iconification."); | |
4630 | } | |
16bd92ea | 4631 | } |
dc6f92b8 | 4632 | |
16bd92ea JB |
4633 | /* X11R3: set the initial_state field of the window manager hints to |
4634 | IconicState. */ | |
4635 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4636 | |
a9c00105 RS |
4637 | if (!FRAME_VISIBLE_P (f)) |
4638 | { | |
4639 | /* If the frame was withdrawn, before, we must map it. */ | |
4640 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
4641 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
4642 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); | |
4643 | } | |
4644 | ||
3a88c238 | 4645 | f->async_iconified = 1; |
c118dd06 JB |
4646 | #else /* ! defined (HAVE_X11) */ |
4647 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4648 | |
3a88c238 | 4649 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4650 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4651 | { |
f676886a JB |
4652 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4653 | refreshicon (f); | |
dc6f92b8 | 4654 | } |
c118dd06 | 4655 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4656 | |
4657 | XFlushQueue (); | |
4658 | UNBLOCK_INPUT; | |
4659 | } | |
4660 | ||
c0ff3fab | 4661 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4662 | |
c0ff3fab | 4663 | x_destroy_window (f) |
f676886a | 4664 | struct frame *f; |
dc6f92b8 | 4665 | { |
dc6f92b8 | 4666 | BLOCK_INPUT; |
c0ff3fab JB |
4667 | |
4668 | if (f->display.x->icon_desc != 0) | |
4669 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4670 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
07e34cb0 | 4671 | free_frame_faces (f); |
dc6f92b8 | 4672 | XFlushQueue (); |
dc6f92b8 | 4673 | |
9ac0d9e0 | 4674 | xfree (f->display.x); |
c0ff3fab | 4675 | f->display.x = 0; |
f676886a JB |
4676 | if (f == x_focus_frame) |
4677 | x_focus_frame = 0; | |
4678 | if (f == x_highlight_frame) | |
4679 | x_highlight_frame = 0; | |
c0ff3fab JB |
4680 | |
4681 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4682 | } |
4683 | \f | |
f451eb13 JB |
4684 | /* Manage event queues for X10. */ |
4685 | ||
dc6f92b8 JB |
4686 | #ifndef HAVE_X11 |
4687 | ||
4688 | /* Manage event queues. | |
4689 | ||
4690 | This code is only used by the X10 support. | |
4691 | ||
4692 | We cannot leave events in the X queue and get them when we are ready | |
4693 | because X does not provide a subroutine to get only a certain kind | |
4694 | of event but not block if there are no queued events of that kind. | |
4695 | ||
4696 | Therefore, we must examine events as they come in and copy events | |
4697 | of certain kinds into our private queues. | |
4698 | ||
4699 | All ExposeRegion events are put in x_expose_queue. | |
69388238 | 4700 | All ButtonPress and ButtonRelease events are put in x_mouse_queue. */ |
dc6f92b8 JB |
4701 | |
4702 | ||
4703 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4704 | If the queue is full, do nothing, but return nonzero. */ | |
4705 | ||
4706 | int | |
4707 | enqueue_event (p_xrep, queue) | |
4708 | register XEvent *p_xrep; | |
4709 | register struct event_queue *queue; | |
4710 | { | |
4711 | int newindex = queue->windex + 1; | |
4712 | if (newindex == EVENT_BUFFER_SIZE) | |
4713 | newindex = 0; | |
4714 | if (newindex == queue->rindex) | |
4715 | return -1; | |
4716 | queue->xrep[queue->windex] = *p_xrep; | |
4717 | queue->windex = newindex; | |
4718 | return 0; | |
4719 | } | |
4720 | ||
4721 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4722 | If *QUEUE is empty, do nothing and return 0. */ | |
4723 | ||
4724 | int | |
4725 | dequeue_event (p_xrep, queue) | |
4726 | register XEvent *p_xrep; | |
4727 | register struct event_queue *queue; | |
4728 | { | |
4729 | if (queue->windex == queue->rindex) | |
4730 | return 0; | |
4731 | *p_xrep = queue->xrep[queue->rindex++]; | |
4732 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4733 | queue->rindex = 0; | |
4734 | return 1; | |
4735 | } | |
4736 | ||
4737 | /* Return the number of events buffered in *QUEUE. */ | |
4738 | ||
4739 | int | |
4740 | queue_event_count (queue) | |
4741 | register struct event_queue *queue; | |
4742 | { | |
4743 | int tem = queue->windex - queue->rindex; | |
4744 | if (tem >= 0) | |
4745 | return tem; | |
4746 | return EVENT_BUFFER_SIZE + tem; | |
4747 | } | |
4748 | ||
4749 | /* Return nonzero if mouse input is pending. */ | |
4750 | ||
4751 | int | |
4752 | mouse_event_pending_p () | |
4753 | { | |
4754 | return queue_event_count (&x_mouse_queue); | |
4755 | } | |
c118dd06 | 4756 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4757 | \f |
f451eb13 JB |
4758 | /* Setting window manager hints. */ |
4759 | ||
dc6f92b8 JB |
4760 | #ifdef HAVE_X11 |
4761 | ||
6dba1858 RS |
4762 | /* SPEC_X and SPEC_Y are the specified positions. |
4763 | We look only at their sign, to decide the gravity. */ | |
4764 | ||
4765 | x_wm_set_size_hint (f, prompting, spec_x, spec_y) | |
f676886a | 4766 | struct frame *f; |
dc6f92b8 | 4767 | long prompting; |
6dba1858 | 4768 | int spec_x, spec_y; |
dc6f92b8 JB |
4769 | { |
4770 | XSizeHints size_hints; | |
c118dd06 | 4771 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4772 | |
f7f79491 | 4773 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; |
dc6f92b8 | 4774 | |
f676886a JB |
4775 | flexlines = f->height; |
4776 | ||
4777 | size_hints.x = f->display.x->left_pos; | |
4778 | size_hints.y = f->display.x->top_pos; | |
4779 | size_hints.height = PIXEL_HEIGHT (f); | |
4780 | size_hints.width = PIXEL_WIDTH (f); | |
4781 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
4782 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
f7f79491 | 4783 | #if 0 |
12ba150f JB |
4784 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
4785 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f7f79491 | 4786 | #endif |
b1c884c3 | 4787 | { |
b0342f17 JB |
4788 | int base_width, base_height; |
4789 | ||
f451eb13 JB |
4790 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
4791 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
4792 | |
4793 | { | |
4794 | int min_rows = 0, min_cols = 0; | |
4795 | check_frame_size (f, &min_rows, &min_cols); | |
4796 | ||
4797 | /* The window manager uses the base width hints to calculate the | |
4798 | current number of rows and columns in the frame while | |
4799 | resizing; min_width and min_height aren't useful for this | |
4800 | purpose, since they might not give the dimensions for a | |
4801 | zero-row, zero-column frame. | |
4802 | ||
4803 | We use the base_width and base_height members if we have | |
4804 | them; otherwise, we set the min_width and min_height members | |
4805 | to the size for a zero x zero frame. */ | |
4806 | ||
4807 | #ifdef HAVE_X11R4 | |
4808 | size_hints.flags |= PBaseSize; | |
4809 | size_hints.base_width = base_width; | |
4810 | size_hints.base_height = base_height; | |
4811 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
4812 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
4813 | #else | |
4814 | size_hints.min_width = base_width; | |
4815 | size_hints.min_height = base_height; | |
4816 | #endif | |
4817 | } | |
b1c884c3 | 4818 | |
b1c884c3 | 4819 | } |
dc6f92b8 JB |
4820 | |
4821 | if (prompting) | |
4822 | size_hints.flags |= prompting; | |
4823 | else | |
4824 | { | |
4825 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
4826 | ||
82ee0df4 RS |
4827 | if (XGetNormalHints (x_current_display, window, &hints) == 0) |
4828 | hints.flags = 0; | |
dc6f92b8 JB |
4829 | if (hints.flags & PSize) |
4830 | size_hints.flags |= PSize; | |
4831 | if (hints.flags & PPosition) | |
4832 | size_hints.flags |= PPosition; | |
4833 | if (hints.flags & USPosition) | |
4834 | size_hints.flags |= USPosition; | |
4835 | if (hints.flags & USSize) | |
4836 | size_hints.flags |= USSize; | |
4837 | } | |
2554751d | 4838 | #if defined (PWinGravity) |
6dba1858 RS |
4839 | switch (((spec_x < 0) << 1) + (spec_y < 0)) |
4840 | { | |
4841 | case 0: | |
4842 | size_hints.win_gravity = NorthWestGravity; | |
4843 | break; | |
4844 | case 1: | |
4845 | size_hints.win_gravity = SouthWestGravity; | |
4846 | break; | |
4847 | case 2: | |
4848 | size_hints.win_gravity = NorthEastGravity; | |
4849 | break; | |
4850 | case 3: | |
4851 | size_hints.win_gravity = SouthEastGravity; | |
4852 | break; | |
4853 | } | |
4854 | size_hints.flags |= PWinGravity; | |
2554751d | 4855 | #endif /* PWinGravity */ |
6dba1858 | 4856 | |
b0342f17 JB |
4857 | #ifdef HAVE_X11R4 |
4858 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
4859 | #else | |
dc6f92b8 | 4860 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 4861 | #endif |
dc6f92b8 JB |
4862 | } |
4863 | ||
4864 | /* Used for IconicState or NormalState */ | |
f676886a JB |
4865 | x_wm_set_window_state (f, state) |
4866 | struct frame *f; | |
dc6f92b8 JB |
4867 | int state; |
4868 | { | |
c118dd06 | 4869 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4870 | |
16bd92ea JB |
4871 | f->display.x->wm_hints.flags |= StateHint; |
4872 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 4873 | |
16bd92ea | 4874 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4875 | } |
4876 | ||
f676886a JB |
4877 | x_wm_set_icon_pixmap (f, icon_pixmap) |
4878 | struct frame *f; | |
dc6f92b8 JB |
4879 | Pixmap icon_pixmap; |
4880 | { | |
c118dd06 | 4881 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4882 | |
dbc4e1c1 JB |
4883 | if (icon_pixmap) |
4884 | { | |
4885 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
4886 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
4887 | } | |
4888 | else | |
4889 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 4890 | |
16bd92ea | 4891 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4892 | } |
4893 | ||
f676886a JB |
4894 | x_wm_set_icon_position (f, icon_x, icon_y) |
4895 | struct frame *f; | |
dc6f92b8 JB |
4896 | int icon_x, icon_y; |
4897 | { | |
c118dd06 | 4898 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 4899 | |
16bd92ea JB |
4900 | f->display.x->wm_hints.flags |= IconPositionHint; |
4901 | f->display.x->wm_hints.icon_x = icon_x; | |
4902 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 4903 | |
16bd92ea | 4904 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
4905 | } |
4906 | ||
4907 | \f | |
f451eb13 JB |
4908 | /* Initialization. */ |
4909 | ||
dc6f92b8 JB |
4910 | void |
4911 | x_term_init (display_name) | |
4912 | char *display_name; | |
4913 | { | |
f676886a | 4914 | Lisp_Object frame; |
dc6f92b8 | 4915 | char *defaultvalue; |
041b69ac | 4916 | #ifndef F_SETOWN_BUG |
dc6f92b8 JB |
4917 | #ifdef F_SETOWN |
4918 | extern int old_fcntl_owner; | |
c118dd06 | 4919 | #endif /* ! defined (F_SETOWN) */ |
041b69ac | 4920 | #endif /* F_SETOWN_BUG */ |
6d4238f3 | 4921 | |
f676886a | 4922 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 JB |
4923 | |
4924 | x_current_display = XOpenDisplay (display_name); | |
4925 | if (x_current_display == 0) | |
041b69ac JB |
4926 | fatal ("X server %s not responding.\n\ |
4927 | Check the DISPLAY environment variable or use \"-d\"\n", | |
dc6f92b8 JB |
4928 | display_name); |
4929 | ||
4930 | #ifdef HAVE_X11 | |
4931 | { | |
16bd92ea | 4932 | int hostname_size = 256; |
60fb3ee1 JB |
4933 | |
4934 | hostname = (char *) xmalloc (hostname_size); | |
4935 | ||
dc6f92b8 JB |
4936 | #if 0 |
4937 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 4938 | #endif /* ! 0 */ |
dc6f92b8 | 4939 | |
60fb3ee1 JB |
4940 | /* Try to get the host name; if the buffer is too short, try |
4941 | again. Apparently, the only indication gethostname gives of | |
4942 | whether the buffer was large enough is the presence or absence | |
4943 | of a '\0' in the string. Eech. */ | |
4944 | for (;;) | |
4945 | { | |
4946 | gethostname (hostname, hostname_size - 1); | |
4947 | hostname[hostname_size - 1] = '\0'; | |
4948 | ||
4949 | /* Was the buffer large enough for gethostname to store the '\0'? */ | |
4950 | if (strlen (hostname) < hostname_size - 1) | |
4951 | break; | |
4952 | ||
4953 | hostname_size <<= 1; | |
4954 | hostname = (char *) xrealloc (hostname, hostname_size); | |
4955 | } | |
59653951 | 4956 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
4957 | + strlen (hostname) |
4958 | + 2); | |
59653951 | 4959 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 4960 | } |
28430d3c JB |
4961 | |
4962 | /* Figure out which modifier bits mean what. */ | |
4963 | x_find_modifier_meanings (); | |
f451eb13 | 4964 | |
ab648270 | 4965 | /* Get the scroll bar cursor. */ |
d56a553a RS |
4966 | x_vertical_scroll_bar_cursor |
4967 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 4968 | |
d56a553a | 4969 | #if 0 |
28430d3c JB |
4970 | /* Watch for PropertyNotify events on the root window; we use them |
4971 | to figure out when to invalidate our cache of the cut buffers. */ | |
4972 | x_watch_cut_buffer_cache (); | |
d56a553a | 4973 | #endif |
28430d3c | 4974 | |
a4fc7360 | 4975 | if (ConnectionNumber (x_current_display) != 0) |
61c3ce62 RS |
4976 | change_keyboard_wait_descriptor (ConnectionNumber (x_current_display)); |
4977 | change_input_fd (ConnectionNumber (x_current_display)); | |
6d4238f3 | 4978 | |
c118dd06 | 4979 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4980 | |
041b69ac | 4981 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 4982 | #ifdef F_SETOWN |
61c3ce62 | 4983 | old_fcntl_owner = fcntl (ConnectionNumber (x_current_display), F_GETOWN, 0); |
dc6f92b8 | 4984 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 RS |
4985 | /* stdin is a socket here */ |
4986 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, -getpid ()); | |
c118dd06 | 4987 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
61c3ce62 | 4988 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, getpid ()); |
c118dd06 JB |
4989 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
4990 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 4991 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
4992 | |
4993 | #ifdef SIGIO | |
4994 | init_sigio (); | |
c118dd06 | 4995 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 4996 | |
dc6f92b8 JB |
4997 | expose_all_windows = 0; |
4998 | ||
f676886a | 4999 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
5000 | clear_end_of_line_hook = XTclear_end_of_line; |
5001 | ins_del_lines_hook = XTins_del_lines; | |
5002 | change_line_highlight_hook = XTchange_line_highlight; | |
5003 | insert_glyphs_hook = XTinsert_glyphs; | |
5004 | write_glyphs_hook = XTwrite_glyphs; | |
5005 | delete_glyphs_hook = XTdelete_glyphs; | |
5006 | ring_bell_hook = XTring_bell; | |
5007 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
5008 | set_terminal_modes_hook = XTset_terminal_modes; | |
5009 | update_begin_hook = XTupdate_begin; | |
5010 | update_end_hook = XTupdate_end; | |
5011 | set_terminal_window_hook = XTset_terminal_window; | |
5012 | read_socket_hook = XTread_socket; | |
5013 | cursor_to_hook = XTcursor_to; | |
5014 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 5015 | mouse_position_hook = XTmouse_position; |
f451eb13 | 5016 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 5017 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
5018 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
5019 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
5020 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
5021 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 5022 | |
f676886a | 5023 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
5024 | char_ins_del_ok = 0; /* just as fast to write the line */ |
5025 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
5026 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 5027 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
5028 | off the bottom */ |
5029 | baud_rate = 19200; | |
5030 | ||
b30b24cb RS |
5031 | /* Try to use interrupt input; if we can't, then start polling. */ |
5032 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
5033 | ||
c118dd06 JB |
5034 | /* Note that there is no real way portable across R3/R4 to get the |
5035 | original error handler. */ | |
5036 | XHandleError (x_error_quitter); | |
8922af5f | 5037 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
5038 | |
5039 | /* Disable Window Change signals; they are handled by X events. */ | |
5040 | #ifdef SIGWINCH | |
5041 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 5042 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 5043 | |
c118dd06 | 5044 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 5045 | } |
55123275 JB |
5046 | |
5047 | void | |
5048 | syms_of_xterm () | |
5049 | { | |
ab648270 | 5050 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 5051 | last_mouse_scroll_bar = Qnil; |
55123275 | 5052 | } |
c118dd06 JB |
5053 | #endif /* ! defined (HAVE_X11) */ |
5054 | #endif /* ! defined (HAVE_X_WINDOWS) */ |