Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
b8009dd1 | 2 | Copyright (C) 1989, 1993, 1994 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 | ||
3afe33e7 RS |
20 | /* Xt features made by Fred Pierresteguy. */ |
21 | ||
039440c4 RS |
22 | /* On 4.3 these lose if they come after xterm.h. */ |
23 | /* On HP-UX 8.0 signal.h loses if it comes after config.h. */ | |
24 | /* Putting these at the beginning seems to be standard for other .c files. */ | |
039440c4 RS |
25 | #include <signal.h> |
26 | ||
18160b98 | 27 | #include <config.h> |
dc6f92b8 | 28 | |
4846819e RS |
29 | #include <stdio.h> |
30 | ||
3afe33e7 | 31 | /* Need syssignal.h for various externs and definitions that may be required |
bc20ebbf | 32 | by some configurations for calls to signal later in this source file. */ |
3afe33e7 RS |
33 | #include "syssignal.h" |
34 | ||
dc6f92b8 JB |
35 | #ifdef HAVE_X_WINDOWS |
36 | ||
37 | #include "lisp.h" | |
9ac0d9e0 | 38 | #include "blockinput.h" |
dc6f92b8 | 39 | |
dc6f92b8 JB |
40 | /* This may include sys/types.h, and that somehow loses |
41 | if this is not done before the other system files. */ | |
42 | #include "xterm.h" | |
f451eb13 | 43 | #include <X11/cursorfont.h> |
dc6f92b8 | 44 | |
16bd92ea | 45 | #ifndef USG |
dc6f92b8 JB |
46 | /* Load sys/types.h if not already loaded. |
47 | In some systems loading it twice is suicidal. */ | |
48 | #ifndef makedev | |
49 | #include <sys/types.h> | |
c118dd06 JB |
50 | #endif /* makedev */ |
51 | #endif /* USG */ | |
dc6f92b8 JB |
52 | |
53 | #ifdef BSD | |
54 | #include <sys/ioctl.h> | |
55 | #include <strings.h> | |
c118dd06 | 56 | #else /* ! defined (BSD) */ |
febf25d5 | 57 | #ifndef VMS |
dc6f92b8 | 58 | #include <string.h> |
febf25d5 | 59 | #endif |
c118dd06 | 60 | #endif /* ! defined (BSD) */ |
dc6f92b8 | 61 | |
2d368234 | 62 | #include "systty.h" |
3a2712f9 | 63 | #include "systime.h" |
dc6f92b8 | 64 | |
b8009dd1 | 65 | #ifndef INCLUDED_FCNTL |
dc6f92b8 | 66 | #include <fcntl.h> |
b8009dd1 | 67 | #endif |
dc6f92b8 JB |
68 | #include <ctype.h> |
69 | #include <errno.h> | |
70 | #include <setjmp.h> | |
71 | #include <sys/stat.h> | |
72 | #include <sys/param.h> | |
73 | ||
74 | #include "dispextern.h" | |
75 | #include "termhooks.h" | |
76 | #include "termopts.h" | |
77 | #include "termchar.h" | |
78 | #if 0 | |
79 | #include "sink.h" | |
80 | #include "sinkmask.h" | |
c118dd06 | 81 | #endif /* ! 0 */ |
dc6f92b8 | 82 | #include "gnu.h" |
f676886a | 83 | #include "frame.h" |
dc6f92b8 | 84 | #include "disptab.h" |
dc6f92b8 | 85 | #include "buffer.h" |
f451eb13 | 86 | #include "window.h" |
dc6f92b8 | 87 | |
3afe33e7 RS |
88 | #ifdef USE_X_TOOLKIT |
89 | extern XtAppContext Xt_app_con; | |
90 | extern Widget Xt_app_shell; | |
9d7e2e3e | 91 | extern void free_frame_menubar (); |
c2df547c | 92 | extern void _XEditResCheckMessages (); |
3afe33e7 RS |
93 | #endif /* USE_X_TOOLKIT */ |
94 | ||
b849c413 RS |
95 | #ifndef USE_X_TOOLKIT |
96 | #define x_any_window_to_frame x_window_to_frame | |
5627c40e | 97 | #define x_top_window_to_frame x_window_to_frame |
b849c413 RS |
98 | #endif |
99 | ||
546e6d5b RS |
100 | #ifdef USE_X_TOOLKIT |
101 | #ifndef XtNinitialState | |
102 | #define XtNinitialState "initialState" | |
103 | #endif | |
104 | #endif | |
105 | ||
dc6f92b8 JB |
106 | #ifdef HAVE_X11 |
107 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 108 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
109 | #include <X/Xkeyboard.h> |
110 | /*#include <X/Xproto.h> */ | |
c118dd06 | 111 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 112 | |
c34efc6c JB |
113 | #ifdef FD_SET |
114 | /* We could get this from param.h, but better not to depend on finding that. | |
115 | And better not to risk that it might define other symbols used in this | |
116 | file. */ | |
117 | #ifdef FD_SETSIZE | |
118 | #define MAXDESC FD_SETSIZE | |
119 | #else | |
120 | #define MAXDESC 64 | |
121 | #endif | |
122 | #define SELECT_TYPE fd_set | |
123 | #else /* no FD_SET */ | |
124 | #define MAXDESC 32 | |
125 | #define SELECT_TYPE int | |
126 | ||
127 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
128 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
129 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
130 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
131 | #define FD_ZERO(p) (*(p) = 0) | |
132 | #endif /* no FD_SET */ | |
133 | ||
dc6f92b8 JB |
134 | /* For sending Meta-characters. Do we need this? */ |
135 | #define METABIT 0200 | |
136 | ||
137 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
138 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 139 | \f |
dc6f92b8 JB |
140 | /* Nonzero means we must reprint all windows |
141 | because 1) we received an ExposeWindow event | |
f451eb13 | 142 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 143 | |
f451eb13 | 144 | This is never needed under X11. */ |
dc6f92b8 JB |
145 | static int expose_all_windows; |
146 | ||
147 | /* Nonzero means we must reprint all icon windows. */ | |
148 | ||
149 | static int expose_all_icons; | |
150 | ||
151 | #ifndef HAVE_X11 | |
152 | /* ExposeRegion events, when received, are copied into this queue | |
153 | for later processing. */ | |
154 | ||
155 | static struct event_queue x_expose_queue; | |
156 | ||
69388238 | 157 | /* ButtonPress and ButtonReleased events, when received, |
dc6f92b8 JB |
158 | are copied into this queue for later processing. */ |
159 | ||
160 | struct event_queue x_mouse_queue; | |
c118dd06 | 161 | #endif /* HAVE_X11 */ |
dc6f92b8 | 162 | |
dc6f92b8 JB |
163 | #if defined (SIGIO) && defined (FIONREAD) |
164 | int BLOCK_INPUT_mask; | |
c118dd06 | 165 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 166 | |
dc6f92b8 JB |
167 | /* The id of a bitmap used for icon windows. |
168 | One such map is shared by all Emacs icon windows. | |
169 | This is zero if we have not yet had a need to create the bitmap. */ | |
170 | ||
171 | static Bitmap icon_bitmap; | |
172 | ||
173 | /* Font used for text icons. */ | |
174 | ||
175 | static FONT_TYPE *icon_font_info; | |
176 | ||
177 | /* Stuff for dealing with the main icon title. */ | |
178 | ||
becadff8 KH |
179 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
180 | char *x_id_name; | |
dc6f92b8 | 181 | |
0ab983c8 RS |
182 | /* Initial values of argv and argc. */ |
183 | extern char **initial_argv; | |
184 | extern int initial_argc; | |
185 | ||
dc6f92b8 JB |
186 | /* This is the X connection that we are using. */ |
187 | ||
188 | Display *x_current_display; | |
189 | ||
ab648270 JB |
190 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
191 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 192 | |
987d2ad1 | 193 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 194 | This is set by update_begin and looked at by all the |
dc6f92b8 | 195 | XT functions. It is zero while not inside an update. |
f676886a JB |
196 | In that case, the XT functions assume that `selected_frame' |
197 | is the frame to apply to. */ | |
d0386f2a | 198 | extern struct frame *updating_frame; |
dc6f92b8 | 199 | |
f676886a | 200 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
201 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
202 | that a mere EnterNotify event can set this; if you need to know the | |
203 | last frame specified in a FocusIn or FocusOut event, use | |
204 | x_focus_event_frame. */ | |
f676886a | 205 | struct frame *x_focus_frame; |
dc6f92b8 | 206 | |
0134a210 RS |
207 | /* This is a frame waiting to be autoraised, within XTread_socket. */ |
208 | struct frame *pending_autoraise_frame; | |
209 | ||
f451eb13 JB |
210 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
211 | separate from x_focus_frame, because whether or not LeaveNotify | |
212 | events cause us to lose focus depends on whether or not we have | |
213 | received a FocusIn event for it. */ | |
214 | struct frame *x_focus_event_frame; | |
215 | ||
f676886a JB |
216 | /* The frame which currently has the visual highlight, and should get |
217 | keyboard input (other sorts of input have the frame encoded in the | |
218 | event). It points to the X focus frame's selected window's | |
219 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 220 | minibuffer. */ |
f676886a | 221 | static struct frame *x_highlight_frame; |
6d4238f3 | 222 | |
dc6f92b8 | 223 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 224 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
225 | |
226 | static int warp_mouse_on_deiconify; | |
227 | ||
228 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
229 | ||
230 | static int flexlines; | |
231 | ||
232 | /* During an update, nonzero if chars output now should be highlighted. */ | |
233 | ||
234 | static int highlight; | |
235 | ||
236 | /* Nominal cursor position -- where to draw output. | |
237 | During an update, these are different from the cursor-box position. */ | |
238 | ||
239 | static int curs_x; | |
240 | static int curs_y; | |
241 | ||
69388238 RS |
242 | /* Mouse movement. |
243 | ||
244 | In order to avoid asking for motion events and then throwing most | |
245 | of them away or busy-polling the server for mouse positions, we ask | |
246 | the server for pointer motion hints. This means that we get only | |
247 | one event per group of mouse movements. "Groups" are delimited by | |
248 | other kinds of events (focus changes and button clicks, for | |
249 | example), or by XQueryPointer calls; when one of these happens, we | |
250 | get another MotionNotify event the next time the mouse moves. This | |
251 | is at least as efficient as getting motion events when mouse | |
252 | tracking is on, and I suspect only negligibly worse when tracking | |
253 | is off. | |
254 | ||
255 | The silly O'Reilly & Associates Nutshell guides barely document | |
256 | pointer motion hints at all (I think you have to infer how they | |
257 | work from an example), and the description of XQueryPointer doesn't | |
258 | mention that calling it causes you to get another motion hint from | |
259 | the server, which is very important. */ | |
260 | ||
261 | /* Where the mouse was last time we reported a mouse event. */ | |
262 | static FRAME_PTR last_mouse_frame; | |
263 | static XRectangle last_mouse_glyph; | |
264 | ||
265 | /* The scroll bar in which the last X motion event occurred. | |
266 | ||
267 | If the last X motion event occurred in a scroll bar, we set this | |
268 | so XTmouse_position can know whether to report a scroll bar motion or | |
269 | an ordinary motion. | |
270 | ||
271 | If the last X motion event didn't occur in a scroll bar, we set this | |
272 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
273 | static Lisp_Object last_mouse_scroll_bar; | |
274 | ||
af31d76f | 275 | /* Record which buttons are currently pressed. */ |
69388238 RS |
276 | unsigned int x_mouse_grabbed; |
277 | ||
278 | /* This is a hack. We would really prefer that XTmouse_position would | |
279 | return the time associated with the position it returns, but there | |
280 | doesn't seem to be any way to wrest the timestamp from the server | |
281 | along with the position query. So, we just keep track of the time | |
282 | of the last movement we received, and return that in hopes that | |
283 | it's somewhat accurate. */ | |
284 | static Time last_mouse_movement_time; | |
285 | ||
b8009dd1 RS |
286 | /* These variables describe the range of text currently shown |
287 | in its mouse-face, together with the window they apply to. | |
288 | As long as the mouse stays within this range, we need not | |
289 | redraw anything on its account. */ | |
3b506386 KH |
290 | static int mouse_face_beg_row, mouse_face_beg_col; |
291 | static int mouse_face_end_row, mouse_face_end_col; | |
4d73d038 | 292 | static int mouse_face_past_end; |
b8009dd1 RS |
293 | static Lisp_Object mouse_face_window; |
294 | static int mouse_face_face_id; | |
295 | ||
514e4681 RS |
296 | /* 1 if a mouse motion event came and we didn't handle it right away because |
297 | gc was in progress. */ | |
298 | static int mouse_face_deferred_gc; | |
299 | ||
27f338af RS |
300 | /* FRAME and X, Y position of mouse when last checked for |
301 | highlighting. X and Y can be negative or out of range for the frame. */ | |
b8009dd1 RS |
302 | static FRAME_PTR mouse_face_mouse_frame; |
303 | static int mouse_face_mouse_x, mouse_face_mouse_y; | |
304 | ||
305 | /* Nonzero means defer mouse-motion highlighting. */ | |
306 | static int mouse_face_defer; | |
307 | ||
dc6f92b8 JB |
308 | #ifdef HAVE_X11 |
309 | /* `t' if a mouse button is depressed. */ | |
310 | ||
311 | extern Lisp_Object Vmouse_depressed; | |
312 | ||
313 | /* Tells if a window manager is present or not. */ | |
314 | ||
315 | extern Lisp_Object Vx_no_window_manager; | |
316 | ||
317 | /* Timestamp that we requested selection data was made. */ | |
318 | extern Time requestor_time; | |
319 | ||
320 | /* ID of the window requesting selection data. */ | |
321 | extern Window requestor_window; | |
322 | ||
323 | /* Nonzero enables some debugging for the X interface code. */ | |
324 | extern int _Xdebug; | |
325 | ||
c2df547c | 326 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 327 | |
c118dd06 | 328 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
329 | |
330 | /* Bit patterns for the mouse cursor. */ | |
331 | ||
332 | short MouseCursor[] = { | |
333 | 0x0000, 0x0008, 0x0018, 0x0038, | |
334 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
335 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
336 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
337 | ||
338 | short MouseMask[] = { | |
339 | 0x000c, 0x001c, 0x003c, 0x007c, | |
340 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
341 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
342 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
343 | ||
344 | static short grey_bits[] = { | |
345 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
346 | ||
347 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 348 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
349 | |
350 | /* From time to time we get info on an Emacs window, here. */ | |
351 | ||
352 | static WINDOWINFO_TYPE windowinfo; | |
353 | ||
354 | extern int errno; | |
355 | ||
dfeccd2d | 356 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
357 | extern int extra_keyboard_modifiers; |
358 | ||
dc6f92b8 JB |
359 | extern Display *XOpenDisplay (); |
360 | extern Window XCreateWindow (); | |
361 | ||
362 | extern Cursor XCreateCursor (); | |
363 | extern FONT_TYPE *XOpenFont (); | |
364 | ||
365 | static void flashback (); | |
c83febd7 | 366 | static void redraw_previous_char (); |
0cdd0c9f | 367 | static void redraw_following_char (); |
3afe33e7 | 368 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 369 | |
55836b73 | 370 | static int fast_find_position (); |
b8009dd1 RS |
371 | static void note_mouse_highlight (); |
372 | static void clear_mouse_face (); | |
373 | static void show_mouse_face (); | |
374 | ||
dc6f92b8 JB |
375 | #ifndef HAVE_X11 |
376 | static void dumpqueue (); | |
c118dd06 | 377 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
378 | |
379 | void dumpborder (); | |
4746118a JB |
380 | static int XTcursor_to (); |
381 | static int XTclear_end_of_line (); | |
16bd92ea JB |
382 | |
383 | \f | |
f451eb13 JB |
384 | /* Starting and ending updates. |
385 | ||
386 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
387 | of a frame update. We record in `updating_frame' the identity |
388 | of the frame being updated, so that the XT... functions do not | |
389 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 390 | should never be called except during an update, the only exceptions |
c83febd7 | 391 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 JB |
392 | |
393 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
394 | ||
395 | static | |
f676886a JB |
396 | XTupdate_begin (f) |
397 | struct frame *f; | |
dc6f92b8 JB |
398 | { |
399 | int mask; | |
400 | ||
f676886a | 401 | if (f == 0) |
dc6f92b8 JB |
402 | abort (); |
403 | ||
f676886a | 404 | flexlines = f->height; |
dc6f92b8 JB |
405 | highlight = 0; |
406 | ||
dc6f92b8 | 407 | BLOCK_INPUT; |
b8009dd1 RS |
408 | |
409 | if (f == mouse_face_mouse_frame) | |
410 | { | |
514e4681 | 411 | /* Don't do highlighting for mouse motion during the update. */ |
b8009dd1 RS |
412 | mouse_face_defer = 1; |
413 | if (!NILP (mouse_face_window)) | |
514e4681 RS |
414 | { |
415 | int firstline, lastline, i; | |
416 | struct window *w = XWINDOW (mouse_face_window); | |
417 | ||
418 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
419 | for (firstline = 0; firstline < f->height; firstline++) | |
420 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
421 | break; | |
422 | ||
423 | lastline = f->height; | |
424 | for (i = f->height - 1; i >= 0; i--) | |
425 | { | |
426 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
427 | break; | |
428 | else | |
429 | lastline = i; | |
430 | } | |
431 | ||
432 | /* Can we tell that this update does not affect the window | |
433 | where the mouse highlight is? If so, no need to turn off. */ | |
434 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
435 | || lastline < XFASTINT (w->top))) | |
436 | /* Otherwise turn off the mouse highlight now. */ | |
437 | clear_mouse_face (); | |
438 | } | |
b8009dd1 | 439 | } |
dc6f92b8 JB |
440 | #ifndef HAVE_X11 |
441 | dumpqueue (); | |
c118dd06 | 442 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
443 | UNBLOCK_INPUT; |
444 | } | |
445 | ||
f451eb13 | 446 | #ifndef HAVE_X11 |
dc6f92b8 | 447 | static void x_do_pending_expose (); |
f451eb13 | 448 | #endif |
dc6f92b8 JB |
449 | |
450 | static | |
f676886a JB |
451 | XTupdate_end (f) |
452 | struct frame *f; | |
dc6f92b8 JB |
453 | { |
454 | int mask; | |
455 | ||
dc6f92b8 JB |
456 | BLOCK_INPUT; |
457 | #ifndef HAVE_X11 | |
458 | dumpqueue (); | |
dc6f92b8 | 459 | x_do_pending_expose (); |
f451eb13 | 460 | #endif /* HAVE_X11 */ |
dc6f92b8 | 461 | |
f676886a | 462 | x_display_cursor (f, 1); |
dc6f92b8 | 463 | |
b8009dd1 RS |
464 | if (f == mouse_face_mouse_frame) |
465 | mouse_face_defer = 0; | |
466 | #if 0 | |
467 | /* This fails in the case of having updated only the echo area | |
468 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
469 | has no relation to the current contents, and its charstarts | |
470 | have no relation to the contents of the window-buffer. | |
471 | I don't know a clean way to check | |
472 | for that case. window_end_valid isn't set up yet. */ | |
473 | if (f == mouse_face_mouse_frame) | |
474 | note_mouse_highlight (f, mouse_face_mouse_x, mouse_face_mouse_y); | |
475 | #endif | |
476 | ||
dc6f92b8 JB |
477 | XFlushQueue (); |
478 | UNBLOCK_INPUT; | |
479 | } | |
b8009dd1 | 480 | |
514e4681 | 481 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
482 | |
483 | static | |
484 | XTframe_up_to_date (f) | |
485 | FRAME_PTR f; | |
486 | { | |
514e4681 RS |
487 | if (mouse_face_deferred_gc || f == mouse_face_mouse_frame) |
488 | { | |
489 | note_mouse_highlight (mouse_face_mouse_frame, | |
490 | mouse_face_mouse_x, mouse_face_mouse_y); | |
491 | mouse_face_deferred_gc = 0; | |
492 | } | |
b8009dd1 | 493 | } |
dc6f92b8 JB |
494 | \f |
495 | /* External interface to control of standout mode. | |
496 | Call this when about to modify line at position VPOS | |
497 | and not change whether it is highlighted. */ | |
498 | ||
499 | XTreassert_line_highlight (new, vpos) | |
500 | int new, vpos; | |
501 | { | |
502 | highlight = new; | |
503 | } | |
504 | ||
505 | /* Call this when about to modify line at position VPOS | |
506 | and change whether it is highlighted. */ | |
507 | ||
508 | static | |
509 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
510 | int new_highlight, vpos, first_unused_hpos; | |
511 | { | |
512 | highlight = new_highlight; | |
513 | XTcursor_to (vpos, 0); | |
f676886a | 514 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
515 | } |
516 | ||
517 | /* This is used when starting Emacs and when restarting after suspend. | |
518 | When starting Emacs, no X window is mapped. And nothing must be done | |
519 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
520 | ||
521 | static | |
522 | XTset_terminal_modes () | |
523 | { | |
524 | } | |
525 | ||
526 | /* This is called when exiting or suspending Emacs. | |
527 | Exiting will make the X-windows go away, and suspending | |
528 | requires no action. */ | |
529 | ||
530 | static | |
531 | XTreset_terminal_modes () | |
532 | { | |
f676886a | 533 | /* XTclear_frame (); */ |
dc6f92b8 JB |
534 | } |
535 | \f | |
f451eb13 JB |
536 | /* Set the nominal cursor position of the frame. |
537 | This is where display update commands will take effect. | |
dc6f92b8 JB |
538 | This does not affect the place where the cursor-box is displayed. */ |
539 | ||
4746118a | 540 | static int |
dc6f92b8 JB |
541 | XTcursor_to (row, col) |
542 | register int row, col; | |
543 | { | |
544 | int mask; | |
545 | int orow = row; | |
546 | ||
547 | curs_x = col; | |
548 | curs_y = row; | |
549 | ||
f676886a | 550 | if (updating_frame == 0) |
dc6f92b8 JB |
551 | { |
552 | BLOCK_INPUT; | |
f676886a | 553 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
554 | XFlushQueue (); |
555 | UNBLOCK_INPUT; | |
556 | } | |
557 | } | |
558 | \f | |
559 | /* Display a sequence of N glyphs found at GP. | |
560 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
561 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
562 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
563 | JUST_FOREGROUND if 1 means draw only the foreground; |
564 | don't alter the background. | |
dc6f92b8 | 565 | |
07e34cb0 | 566 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 567 | |
07e34cb0 JB |
568 | Since the display generation code is responsible for calling |
569 | compute_char_face and compute_glyph_face on everything it puts in | |
570 | the display structure, we can assume that the face code on each | |
28f72798 | 571 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
572 | to which we can actually apply intern_face. |
573 | Call this function with input blocked. */ | |
dc6f92b8 | 574 | |
07e34cb0 JB |
575 | #if 1 |
576 | /* This is the multi-face code. */ | |
dc6f92b8 | 577 | |
dc6f92b8 | 578 | static void |
0cdd0c9f | 579 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 580 | struct frame *f; |
dc6f92b8 JB |
581 | int left, top; |
582 | register GLYPH *gp; /* Points to first GLYPH. */ | |
583 | register int n; /* Number of glyphs to display. */ | |
584 | int hl; | |
0cdd0c9f | 585 | int just_foreground; |
dc6f92b8 | 586 | { |
07e34cb0 JB |
587 | /* Holds characters to be displayed. */ |
588 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
589 | register char *cp; /* Steps through buf[]. */ |
590 | register int tlen = GLYPH_TABLE_LENGTH; | |
591 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 592 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 593 | int orig_left = left; |
dc6f92b8 | 594 | |
07e34cb0 | 595 | while (n > 0) |
dc6f92b8 JB |
596 | { |
597 | /* Get the face-code of the next GLYPH. */ | |
598 | int cf, len; | |
599 | int g = *gp; | |
600 | ||
07e34cb0 | 601 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 602 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
603 | |
604 | /* Find the run of consecutive glyphs with the same face-code. | |
605 | Extract their character codes into BUF. */ | |
606 | cp = buf; | |
607 | while (n > 0) | |
608 | { | |
609 | g = *gp; | |
07e34cb0 | 610 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 611 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
612 | break; |
613 | ||
6f63ba79 | 614 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
615 | --n; |
616 | ++gp; | |
617 | } | |
618 | ||
619 | /* LEN gets the length of the run. */ | |
620 | len = cp - buf; | |
621 | ||
622 | /* Now output this run of chars, with the font and pixel values | |
623 | determined by the face code CF. */ | |
07e34cb0 JB |
624 | { |
625 | struct face *face = FRAME_DEFAULT_FACE (f); | |
626 | FONT_TYPE *font = FACE_FONT (face); | |
627 | GC gc = FACE_GC (face); | |
b73b6aaf | 628 | int gc_temporary = 0; |
07e34cb0 | 629 | |
b8009dd1 RS |
630 | /* HL = 3 means use a mouse face previously chosen. */ |
631 | if (hl == 3) | |
632 | cf = mouse_face_face_id; | |
633 | ||
b73b6aaf RS |
634 | /* First look at the face of the text itself. */ |
635 | if (cf != 0) | |
07e34cb0 | 636 | { |
a07d4bc5 RS |
637 | /* It's possible for the display table to specify |
638 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
639 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
640 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 641 | cf = 0; |
07e34cb0 JB |
642 | |
643 | if (cf == 1) | |
644 | face = FRAME_MODE_LINE_FACE (f); | |
645 | else | |
28f72798 | 646 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
647 | font = FACE_FONT (face); |
648 | gc = FACE_GC (face); | |
649 | } | |
4a4dc352 JB |
650 | |
651 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
652 | else if (hl == 0) |
653 | ; | |
654 | else if (hl == 1) | |
655 | { | |
656 | face = FRAME_MODE_LINE_FACE (f); | |
657 | font = FACE_FONT (face); | |
658 | gc = FACE_GC (face); | |
b73b6aaf RS |
659 | } |
660 | ||
661 | #define FACE_DEFAULT (~0) | |
662 | ||
663 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 664 | if (hl == 2) |
b73b6aaf | 665 | { |
dc05a16b | 666 | if (!face->font |
b5cf7a0e JB |
667 | || (int) face->font == FACE_DEFAULT) |
668 | { | |
669 | gc = f->display.x->cursor_gc; | |
670 | } | |
671 | /* Cursor on non-default face: must merge. */ | |
672 | else | |
673 | { | |
674 | XGCValues xgcv; | |
675 | unsigned long mask; | |
676 | ||
677 | xgcv.background = f->display.x->cursor_pixel; | |
df5a440b RS |
678 | if (face == FRAME_DEFAULT_FACE (f)) |
679 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
680 | else | |
da893f1f | 681 | xgcv.foreground = face->background; |
df5a440b RS |
682 | /* If the glyph would be invisible, |
683 | try a different foreground. */ | |
684 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 685 | xgcv.foreground = face->foreground; |
df5a440b RS |
686 | if (xgcv.foreground == xgcv.background) |
687 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
688 | if (xgcv.foreground == xgcv.background) | |
689 | xgcv.foreground = face->foreground; | |
690 | /* Make sure the cursor is distinct from text in this face. */ | |
691 | if (xgcv.background == face->background | |
692 | && xgcv.foreground == face->foreground) | |
693 | { | |
694 | xgcv.background = face->foreground; | |
695 | xgcv.foreground = face->background; | |
696 | } | |
b5cf7a0e JB |
697 | xgcv.font = face->font->fid; |
698 | xgcv.graphics_exposures = 0; | |
699 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
700 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
701 | mask, &xgcv); | |
b73b6aaf | 702 | #if 0 |
b5cf7a0e JB |
703 | if (face->stipple && face->stipple != FACE_DEFAULT) |
704 | XSetStipple (x_current_display, gc, face->stipple); | |
b73b6aaf | 705 | #endif |
b5cf7a0e JB |
706 | gc_temporary = 1; |
707 | } | |
07e34cb0 | 708 | } |
07e34cb0 | 709 | |
b5cf7a0e JB |
710 | if ((int) font == FACE_DEFAULT) |
711 | font = f->display.x->font; | |
712 | ||
0cdd0c9f RS |
713 | if (just_foreground) |
714 | XDrawString (x_current_display, window, gc, | |
715 | left, top + FONT_BASE (font), buf, len); | |
716 | else | |
717 | { | |
718 | XDrawImageString (x_current_display, window, gc, | |
719 | left, top + FONT_BASE (font), buf, len); | |
720 | /* Clear the rest of the line's height. */ | |
721 | if (f->display.x->line_height != FONT_HEIGHT (font)) | |
722 | XClearArea (x_current_display, window, left, | |
723 | top + FONT_HEIGHT (font), | |
724 | FONT_WIDTH (font) * len, | |
725 | /* This is how many pixels of height | |
726 | we have to clear. */ | |
727 | f->display.x->line_height - FONT_HEIGHT (font), | |
728 | False); | |
729 | } | |
730 | ||
731 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
732 | which often is not up to date yet. */ | |
733 | if (!just_foreground) | |
734 | { | |
735 | if (left == orig_left) | |
736 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
737 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
738 | if (n == 0) | |
739 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
740 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
741 | } | |
742 | #endif | |
07e34cb0 | 743 | |
b73b6aaf RS |
744 | if (gc_temporary) |
745 | XFreeGC (x_current_display, gc); | |
746 | ||
07e34cb0 JB |
747 | /* We should probably check for XA_UNDERLINE_POSITION and |
748 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
749 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 750 | { |
4a4dc352 | 751 | int underline_position = 1; |
07e34cb0 | 752 | |
4a4dc352 JB |
753 | if (font->descent <= underline_position) |
754 | underline_position = font->descent - 1; | |
07e34cb0 JB |
755 | |
756 | if (face->underline) | |
757 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
758 | FACE_GC (face), | |
759 | left, (top | |
760 | + FONT_BASE (font) | |
761 | + underline_position), | |
762 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 763 | } |
07e34cb0 JB |
764 | |
765 | left += len * FONT_WIDTH (font); | |
766 | } | |
dc6f92b8 JB |
767 | } |
768 | } | |
07e34cb0 JB |
769 | #endif /* 1 */ |
770 | ||
771 | #if 0 | |
772 | /* This is the old single-face code. */ | |
773 | ||
774 | static void | |
775 | dumpglyphs (f, left, top, gp, n, hl, font) | |
776 | struct frame *f; | |
777 | int left, top; | |
778 | register GLYPH *gp; /* Points to first GLYPH. */ | |
779 | register int n; /* Number of glyphs to display. */ | |
780 | int hl; | |
781 | FONT_TYPE *font; | |
782 | { | |
783 | register int len; | |
784 | Window window = FRAME_X_WINDOW (f); | |
785 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
786 | : (hl ? f->display.x->reverse_gc | |
787 | : f->display.x->normal_gc)); | |
788 | ||
789 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
790 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
791 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
792 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
793 | XDrawImageString (x_current_display, window, drawing_gc, | |
794 | left, top + FONT_BASE (font), (char *) gp, n); | |
795 | else | |
796 | /* What size of glyph ARE you using? And does X have a function to | |
797 | draw them? */ | |
798 | abort (); | |
799 | } | |
800 | #endif | |
dc6f92b8 | 801 | \f |
f451eb13 JB |
802 | /* Output some text at the nominal frame cursor position. |
803 | Advance the cursor over the text. | |
dc6f92b8 JB |
804 | Output LEN glyphs at START. |
805 | ||
806 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
807 | controls the pixel values used for foreground and background. */ | |
808 | ||
809 | static | |
810 | XTwrite_glyphs (start, len) | |
811 | register GLYPH *start; | |
812 | int len; | |
813 | { | |
814 | register int temp_length; | |
815 | int mask; | |
f676886a | 816 | struct frame *f; |
dc6f92b8 JB |
817 | |
818 | BLOCK_INPUT; | |
819 | ||
f676886a JB |
820 | f = updating_frame; |
821 | if (f == 0) | |
dc6f92b8 | 822 | { |
f676886a | 823 | f = selected_frame; |
dc6f92b8 | 824 | /* If not within an update, |
f676886a JB |
825 | output at the frame's visible cursor. */ |
826 | curs_x = f->cursor_x; | |
827 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
828 | } |
829 | ||
f676886a | 830 | dumpglyphs (f, |
12ba150f JB |
831 | CHAR_TO_PIXEL_COL (f, curs_x), |
832 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 833 | start, len, highlight, 0); |
90e65f07 JB |
834 | |
835 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
836 | if (curs_y == f->phys_cursor_y |
837 | && curs_x <= f->phys_cursor_x | |
838 | && curs_x + len > f->phys_cursor_x) | |
839 | f->phys_cursor_x = -1; | |
dc6f92b8 | 840 | |
f676886a | 841 | if (updating_frame == 0) |
dc6f92b8 | 842 | { |
f676886a JB |
843 | f->cursor_x += len; |
844 | x_display_cursor (f, 1); | |
845 | f->cursor_x -= len; | |
dc6f92b8 JB |
846 | } |
847 | else | |
848 | curs_x += len; | |
849 | ||
850 | UNBLOCK_INPUT; | |
851 | } | |
852 | \f | |
f451eb13 JB |
853 | /* Clear to the end of the line. |
854 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
855 | to column FIRST_UNUSED (exclusive). The idea is that everything |
856 | from FIRST_UNUSED onward is already erased. */ | |
857 | ||
4746118a | 858 | static int |
dc6f92b8 JB |
859 | XTclear_end_of_line (first_unused) |
860 | register int first_unused; | |
861 | { | |
f676886a | 862 | struct frame *f = updating_frame; |
dc6f92b8 JB |
863 | int mask; |
864 | ||
f676886a | 865 | if (f == 0) |
dc6f92b8 JB |
866 | abort (); |
867 | ||
f676886a | 868 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
869 | return; |
870 | if (first_unused <= 0) | |
871 | return; | |
872 | ||
f676886a JB |
873 | if (first_unused >= f->width) |
874 | first_unused = f->width; | |
dc6f92b8 JB |
875 | |
876 | BLOCK_INPUT; | |
877 | ||
90e65f07 | 878 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
879 | if (curs_y == f->phys_cursor_y |
880 | && curs_x <= f->phys_cursor_x | |
881 | && f->phys_cursor_x < first_unused) | |
882 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
883 | |
884 | #ifdef HAVE_X11 | |
c118dd06 | 885 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
886 | CHAR_TO_PIXEL_COL (f, curs_x), |
887 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 888 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 889 | f->display.x->line_height, False); |
c83febd7 | 890 | #if 0 |
0cdd0c9f | 891 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 892 | #endif |
c118dd06 JB |
893 | #else /* ! defined (HAVE_X11) */ |
894 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
895 | CHAR_TO_PIXEL_COL (f, curs_x), |
896 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 897 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 898 | f->display.x->line_height, |
f676886a | 899 | f->display.x->background_pixel); |
c118dd06 | 900 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
901 | |
902 | UNBLOCK_INPUT; | |
903 | } | |
904 | ||
0cdd0c9f RS |
905 | static |
906 | XTclear_frame () | |
907 | { | |
908 | int mask; | |
909 | struct frame *f = updating_frame; | |
910 | ||
911 | if (f == 0) | |
912 | f = selected_frame; | |
913 | ||
914 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
915 | curs_x = 0; /* Nominal cursor position is top left. */ | |
916 | curs_y = 0; | |
917 | ||
918 | BLOCK_INPUT; | |
919 | ||
920 | XClear (FRAME_X_WINDOW (f)); | |
921 | ||
922 | /* We have to clear the scroll bars, too. If we have changed | |
923 | colors or something like that, then they should be notified. */ | |
924 | x_scroll_bar_clear (f); | |
925 | ||
926 | #ifndef HAVE_X11 | |
927 | dumpborder (f, 0); | |
928 | #endif /* HAVE_X11 */ | |
929 | ||
930 | XFlushQueue (); | |
931 | UNBLOCK_INPUT; | |
932 | } | |
933 | \f | |
934 | #if 0 | |
935 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
936 | always contain the right glyphs to use. | |
937 | ||
938 | It also needs to be changed to look at the details of the font and | |
939 | see whether there is really overlap, and do nothing when there is | |
940 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
941 | but just how to use them is not clear. */ | |
942 | ||
c83febd7 RS |
943 | /* Erase the character (if any) at the position just before X, Y in frame F, |
944 | then redraw it and the character before it. | |
945 | This is necessary when we erase starting at X, | |
f94397b5 KH |
946 | in case the character after X overlaps into the one before X. |
947 | Call this function with input blocked. */ | |
c83febd7 RS |
948 | |
949 | static void | |
0cdd0c9f | 950 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
951 | FRAME_PTR f; |
952 | int x, y; | |
0cdd0c9f | 953 | int highlight_flag; |
c83febd7 RS |
954 | { |
955 | /* Erase the character before the new ones, in case | |
956 | what was here before overlaps it. | |
957 | Reoutput that character, and the previous character | |
958 | (in case the previous character overlaps it). */ | |
959 | if (x > 0) | |
960 | { | |
961 | int start_x = x - 2; | |
962 | if (start_x < 0) | |
963 | start_x = 0; | |
964 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
965 | CHAR_TO_PIXEL_COL (f, x - 1), | |
966 | CHAR_TO_PIXEL_ROW (f, y), | |
967 | FONT_WIDTH (f->display.x->font), | |
a27f9f86 | 968 | f->display.x->line_height, False); |
c83febd7 RS |
969 | |
970 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
971 | CHAR_TO_PIXEL_ROW (f, y), | |
972 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 973 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
974 | } |
975 | } | |
976 | ||
0cdd0c9f RS |
977 | /* Erase the character (if any) at the position X, Y in frame F, |
978 | then redraw it and the character after it. | |
979 | This is necessary when we erase endng at X, | |
980 | in case the character after X overlaps into the one before X. | |
981 | Call this function with input blocked. */ | |
982 | ||
983 | static void | |
984 | redraw_following_char (f, x, y, highlight_flag) | |
985 | FRAME_PTR f; | |
986 | int x, y; | |
987 | int highlight_flag; | |
dc6f92b8 | 988 | { |
0cdd0c9f RS |
989 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
990 | /* Erase the character after the new ones, in case | |
991 | what was here before overlaps it. | |
992 | Reoutput that character, and the following character | |
993 | (in case the following character overlaps it). */ | |
994 | if (x < limit | |
995 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
996 | { | |
997 | int end_x = x + 2; | |
998 | if (end_x > limit) | |
999 | end_x = limit; | |
1000 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
1001 | CHAR_TO_PIXEL_COL (f, x), | |
1002 | CHAR_TO_PIXEL_ROW (f, y), | |
1003 | FONT_WIDTH (f->display.x->font), | |
1004 | f->display.x->line_height, False); | |
dc6f92b8 | 1005 | |
0cdd0c9f RS |
1006 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
1007 | CHAR_TO_PIXEL_ROW (f, y), | |
1008 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
1009 | end_x - x, highlight_flag, 1); | |
1010 | } | |
1011 | } | |
1012 | #endif /* 0 */ | |
1013 | \f | |
1014 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 1015 | |
0cdd0c9f | 1016 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 1017 | |
0cdd0c9f RS |
1018 | static int |
1019 | font_char_overlap_left (font, c) | |
1020 | XFontStruct *font; | |
1021 | int c; | |
1022 | { | |
1023 | XCharStruct *s; | |
dbc4e1c1 | 1024 | |
0cdd0c9f RS |
1025 | /* Find the bounding-box info for C. */ |
1026 | if (font->per_char == 0) | |
1027 | s = &font->max_bounds; | |
1028 | else | |
1029 | { | |
1030 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1031 | int row, within; | |
1032 | ||
1033 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1034 | row = c >> 8; | |
1035 | within = c & 0177; | |
1036 | if (!(within >= font->min_char_or_byte2 | |
1037 | && within <= font->max_char_or_byte2 | |
1038 | && row >= font->min_byte1 | |
1039 | && row <= font->max_byte1)) | |
1040 | { | |
1041 | /* If char is out of range, try the font's default char instead. */ | |
1042 | c = font->default_char; | |
1043 | row = c >> (INTBITS - 8); | |
1044 | within = c & 0177; | |
1045 | } | |
1046 | if (!(within >= font->min_char_or_byte2 | |
1047 | && within <= font->max_char_or_byte2 | |
1048 | && row >= font->min_byte1 | |
1049 | && row <= font->max_byte1)) | |
1050 | /* Still out of range means this char does not overlap. */ | |
1051 | return 0; | |
1052 | else | |
1053 | /* We found the info for this char. */ | |
1054 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1055 | + row * rowlen); | |
1056 | } | |
dbc4e1c1 | 1057 | |
0cdd0c9f RS |
1058 | return (s && s->lbearing < 0); |
1059 | } | |
dbc4e1c1 | 1060 | |
0cdd0c9f RS |
1061 | /* Return 1 if character C in font F extends past its right edge. */ |
1062 | ||
1063 | static int | |
1064 | font_char_overlap_right (font, c) | |
1065 | XFontStruct *font; | |
1066 | int c; | |
1067 | { | |
1068 | XCharStruct *s; | |
1069 | ||
1070 | /* Find the bounding-box info for C. */ | |
1071 | if (font->per_char == 0) | |
1072 | s = &font->max_bounds; | |
1073 | else | |
1074 | { | |
1075 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1076 | int row, within; | |
1077 | ||
1078 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1079 | row = c >> 8; | |
1080 | within = c & 0177; | |
1081 | if (!(within >= font->min_char_or_byte2 | |
1082 | && within <= font->max_char_or_byte2 | |
1083 | && row >= font->min_byte1 | |
1084 | && row <= font->max_byte1)) | |
1085 | { | |
1086 | /* If char is out of range, try the font's default char instead. */ | |
1087 | c = font->default_char; | |
1088 | row = c >> (INTBITS - 8); | |
1089 | within = c & 0177; | |
1090 | } | |
1091 | if (!(within >= font->min_char_or_byte2 | |
1092 | && within <= font->max_char_or_byte2 | |
1093 | && row >= font->min_byte1 | |
1094 | && row <= font->max_byte1)) | |
1095 | /* Still out of range means this char does not overlap. */ | |
1096 | return 0; | |
1097 | else | |
1098 | /* We found the info for this char. */ | |
1099 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1100 | + row * rowlen); | |
1101 | } | |
1102 | ||
1103 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1104 | } |
0cdd0c9f | 1105 | #endif /* 0 */ |
dc6f92b8 | 1106 | \f |
dbc4e1c1 JB |
1107 | /* Invert the middle quarter of the frame for .15 sec. */ |
1108 | ||
1109 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1110 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1111 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1112 | ||
1113 | /* Subtract the `struct timeval' values X and Y, | |
1114 | storing the result in RESULT. | |
1115 | Return 1 if the difference is negative, otherwise 0. */ | |
1116 | ||
1117 | static int | |
1118 | timeval_subtract (result, x, y) | |
1119 | struct timeval *result, x, y; | |
1120 | { | |
1121 | /* Perform the carry for the later subtraction by updating y. | |
1122 | This is safer because on some systems | |
1123 | the tv_sec member is unsigned. */ | |
1124 | if (x.tv_usec < y.tv_usec) | |
1125 | { | |
1126 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1127 | y.tv_usec -= 1000000 * nsec; | |
1128 | y.tv_sec += nsec; | |
1129 | } | |
1130 | if (x.tv_usec - y.tv_usec > 1000000) | |
1131 | { | |
1132 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1133 | y.tv_usec += 1000000 * nsec; | |
1134 | y.tv_sec -= nsec; | |
1135 | } | |
1136 | ||
1137 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1138 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1139 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1140 | ||
1141 | /* Return indication of whether the result should be considered negative. */ | |
1142 | return x.tv_sec < y.tv_sec; | |
1143 | } | |
dc6f92b8 | 1144 | |
f676886a JB |
1145 | XTflash (f) |
1146 | struct frame *f; | |
dc6f92b8 | 1147 | { |
dbc4e1c1 | 1148 | BLOCK_INPUT; |
dc6f92b8 | 1149 | |
dbc4e1c1 JB |
1150 | { |
1151 | GC gc; | |
dc6f92b8 | 1152 | |
dbc4e1c1 JB |
1153 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1154 | into background pixels. */ | |
1155 | { | |
1156 | XGCValues values; | |
dc6f92b8 | 1157 | |
dbc4e1c1 JB |
1158 | values.function = GXxor; |
1159 | values.foreground = (f->display.x->foreground_pixel | |
1160 | ^ f->display.x->background_pixel); | |
1161 | ||
1162 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
1163 | GCFunction | GCForeground, &values); | |
1164 | } | |
dc6f92b8 | 1165 | |
dbc4e1c1 JB |
1166 | { |
1167 | int width = PIXEL_WIDTH (f); | |
1168 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1169 | |
dbc4e1c1 JB |
1170 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
1171 | width/4, height/4, width/2, height/2); | |
1172 | XFlush (x_current_display); | |
dc6f92b8 | 1173 | |
dbc4e1c1 JB |
1174 | { |
1175 | struct timeval wakeup, now; | |
dc6f92b8 | 1176 | |
66c30ea1 | 1177 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1178 | |
dbc4e1c1 JB |
1179 | /* Compute time to wait until, propagating carry from usecs. */ |
1180 | wakeup.tv_usec += 150000; | |
1181 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1182 | wakeup.tv_usec %= 1000000; | |
1183 | ||
1184 | /* Keep waiting until past the time wakeup. */ | |
1185 | while (1) | |
1186 | { | |
1187 | struct timeval timeout; | |
1188 | ||
66c30ea1 | 1189 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1190 | |
1191 | /* In effect, timeout = wakeup - timeout. | |
1192 | Break if result would be negative. */ | |
1193 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1194 | break; | |
1195 | ||
1196 | /* Try to wait that long--but we might wake up sooner. */ | |
1197 | select (0, 0, 0, 0, &timeout); | |
1198 | } | |
1199 | } | |
1200 | ||
1201 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
1202 | width/4, height/4, width/2, height/2); | |
1203 | XFreeGC (x_current_display, gc); | |
1204 | XFlush (x_current_display); | |
dc6f92b8 | 1205 | } |
dbc4e1c1 JB |
1206 | } |
1207 | ||
1208 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1209 | } |
1210 | ||
dbc4e1c1 JB |
1211 | #endif |
1212 | ||
1213 | ||
dc6f92b8 JB |
1214 | /* Make audible bell. */ |
1215 | ||
1216 | #ifdef HAVE_X11 | |
bc20ebbf | 1217 | #define XRINGBELL XBell (x_current_display, 0) |
c118dd06 | 1218 | #else /* ! defined (HAVE_X11) */ |
bc20ebbf | 1219 | #define XRINGBELL XFeep (0); |
c118dd06 | 1220 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1221 | |
1222 | XTring_bell () | |
1223 | { | |
5a6ef893 RS |
1224 | if (x_current_display == 0) |
1225 | return; | |
1226 | ||
dbc4e1c1 | 1227 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1228 | if (visible_bell) |
f676886a | 1229 | XTflash (selected_frame); |
dc6f92b8 | 1230 | else |
dbc4e1c1 | 1231 | #endif |
dc6f92b8 JB |
1232 | { |
1233 | BLOCK_INPUT; | |
1234 | XRINGBELL; | |
1235 | XFlushQueue (); | |
1236 | UNBLOCK_INPUT; | |
1237 | } | |
1238 | } | |
1239 | \f | |
f451eb13 JB |
1240 | /* Insert and delete character. |
1241 | These are not supposed to be used because we are supposed to turn | |
1242 | off the feature of using them. */ | |
dc6f92b8 JB |
1243 | |
1244 | static | |
1245 | XTinsert_glyphs (start, len) | |
1246 | register char *start; | |
1247 | register int len; | |
1248 | { | |
1249 | abort (); | |
1250 | } | |
1251 | ||
1252 | static | |
1253 | XTdelete_glyphs (n) | |
1254 | register int n; | |
1255 | { | |
1256 | abort (); | |
1257 | } | |
1258 | \f | |
1259 | /* Specify how many text lines, from the top of the window, | |
1260 | should be affected by insert-lines and delete-lines operations. | |
1261 | This, and those operations, are used only within an update | |
1262 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1263 | ||
1264 | static | |
1265 | XTset_terminal_window (n) | |
1266 | register int n; | |
1267 | { | |
f676886a | 1268 | if (updating_frame == 0) |
dc6f92b8 JB |
1269 | abort (); |
1270 | ||
f676886a JB |
1271 | if ((n <= 0) || (n > updating_frame->height)) |
1272 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1273 | else |
1274 | flexlines = n; | |
1275 | } | |
1276 | \f | |
f451eb13 JB |
1277 | /* Perform an insert-lines operation. |
1278 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
1279 | |
1280 | static void | |
1281 | stufflines (n) | |
1282 | register int n; | |
1283 | { | |
1284 | register int topregion, bottomregion; | |
1285 | register int length, newtop, mask; | |
f676886a JB |
1286 | register struct frame *f = updating_frame; |
1287 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1288 | |
1289 | if (curs_y >= flexlines) | |
1290 | return; | |
1291 | ||
1292 | topregion = curs_y; | |
1293 | bottomregion = flexlines - (n + 1); | |
1294 | newtop = topregion + n; | |
1295 | length = (bottomregion - topregion) + 1; | |
1296 | ||
1297 | #ifndef HAVE_X11 | |
1298 | dumpqueue (); | |
c118dd06 | 1299 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1300 | |
1301 | if ((length > 0) && (newtop <= flexlines)) | |
1302 | { | |
1303 | #ifdef HAVE_X11 | |
c118dd06 JB |
1304 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1305 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 1306 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1307 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1308 | length * f->display.x->line_height, intborder, |
12ba150f | 1309 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
1310 | #else /* ! defined (HAVE_X11) */ |
1311 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
1312 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
1313 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a | 1314 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1315 | length * f->display.x->line_height); |
dc6f92b8 JB |
1316 | /* Now we must process any ExposeRegion events that occur |
1317 | if the area being copied from is obscured. | |
1318 | We can't let it wait because further i/d operations | |
1319 | may want to copy this area to another area. */ | |
1320 | x_read_exposes (); | |
c118dd06 | 1321 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1322 | } |
1323 | ||
1324 | newtop = min (newtop, (flexlines - 1)); | |
1325 | length = newtop - topregion; | |
1326 | if (length > 0) | |
1327 | { | |
1328 | #ifdef HAVE_X11 | |
c118dd06 | 1329 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1330 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1331 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1332 | n * f->display.x->line_height, False); |
c118dd06 JB |
1333 | #else /* ! defined (HAVE_X11) */ |
1334 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1335 | intborder, |
12ba150f | 1336 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1337 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1338 | n * f->display.x->line_height, |
f676886a | 1339 | f->display.x->background_pixel); |
c118dd06 | 1340 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1341 | } |
1342 | } | |
1343 | ||
1344 | /* Perform a delete-lines operation, deleting N lines | |
1345 | at a vertical position curs_y. */ | |
1346 | ||
1347 | static void | |
1348 | scraplines (n) | |
1349 | register int n; | |
1350 | { | |
1351 | int mask; | |
f676886a JB |
1352 | register struct frame *f = updating_frame; |
1353 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1354 | |
1355 | if (curs_y >= flexlines) | |
1356 | return; | |
1357 | ||
1358 | #ifndef HAVE_X11 | |
1359 | dumpqueue (); | |
c118dd06 | 1360 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1361 | |
1362 | if ((curs_y + n) >= flexlines) | |
1363 | { | |
1364 | if (flexlines >= (curs_y + 1)) | |
1365 | { | |
1366 | #ifdef HAVE_X11 | |
c118dd06 | 1367 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1368 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a | 1369 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1370 | (flexlines - curs_y) * f->display.x->line_height, False); |
c118dd06 JB |
1371 | #else /* ! defined (HAVE_X11) */ |
1372 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 1373 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a | 1374 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1375 | (flexlines - curs_y) * f->display.x->line_height, |
f676886a | 1376 | f->display.x->background_pixel); |
c118dd06 | 1377 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1378 | } |
1379 | } | |
1380 | else | |
1381 | { | |
1382 | #ifdef HAVE_X11 | |
c118dd06 JB |
1383 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1384 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 1385 | intborder, |
12ba150f | 1386 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a | 1387 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1388 | (flexlines - (curs_y + n)) * f->display.x->line_height, |
12ba150f | 1389 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 1390 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 1391 | intborder, |
12ba150f | 1392 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1393 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1394 | n * f->display.x->line_height, False); |
c118dd06 JB |
1395 | #else /* ! defined (HAVE_X11) */ |
1396 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1397 | intborder, |
12ba150f JB |
1398 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
1399 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 1400 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1401 | (flexlines - (curs_y + n)) * f->display.x->line_height); |
dc6f92b8 JB |
1402 | /* Now we must process any ExposeRegion events that occur |
1403 | if the area being copied from is obscured. | |
1404 | We can't let it wait because further i/d operations | |
1405 | may want to copy this area to another area. */ | |
1406 | x_read_exposes (); | |
c118dd06 | 1407 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 1408 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1409 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1410 | n * f->display.x->line_height, f->display.x->background_pixel); |
c118dd06 | 1411 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1412 | } |
1413 | } | |
1414 | ||
1415 | /* Perform an insert-lines or delete-lines operation, | |
1416 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1417 | ||
1418 | XTins_del_lines (vpos, n) | |
1419 | int vpos, n; | |
1420 | { | |
f676886a | 1421 | if (updating_frame == 0) |
dc6f92b8 JB |
1422 | abort (); |
1423 | ||
90e65f07 | 1424 | /* Hide the cursor. */ |
f676886a | 1425 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1426 | |
1427 | XTcursor_to (vpos, 0); | |
1428 | ||
1429 | BLOCK_INPUT; | |
1430 | if (n >= 0) | |
1431 | stufflines (n); | |
1432 | else | |
1433 | scraplines (-n); | |
1434 | XFlushQueue (); | |
1435 | UNBLOCK_INPUT; | |
1436 | } | |
1437 | \f | |
f451eb13 | 1438 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1439 | static void clear_cursor (); |
1440 | ||
f676886a JB |
1441 | /* Output into a rectangle of an X-window (for frame F) |
1442 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1443 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1444 | ROWS and COLS are the size of the rectangle. |
1445 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1446 | |
1447 | static void | |
f676886a JB |
1448 | dumprectangle (f, left, top, cols, rows) |
1449 | struct frame *f; | |
dc6f92b8 JB |
1450 | register int left, top, cols, rows; |
1451 | { | |
f676886a | 1452 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1453 | int cursor_cleared = 0; |
1454 | int bottom, right; | |
1455 | register int y; | |
1456 | ||
f676886a | 1457 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1458 | return; |
1459 | ||
dc6f92b8 JB |
1460 | /* Express rectangle as four edges, instead of position-and-size. */ |
1461 | bottom = top + rows; | |
1462 | right = left + cols; | |
1463 | ||
1464 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1465 | { |
1466 | int intborder = f->display.x->internal_border_width; | |
1467 | ||
1468 | /* If the rectangle includes any of the internal border area, | |
1469 | redisplay the border emphasis. */ | |
1470 | if (top < intborder || left < intborder | |
a27f9f86 RS |
1471 | || bottom > intborder + f->height * f->display.x->line_height |
1472 | || right > intborder + f->width * f->display.x->line_height) | |
12ba150f JB |
1473 | dumpborder (f, 0); |
1474 | } | |
b8009dd1 | 1475 | #endif /* not HAVE_X11 Window manger does this for X11. */ |
dc6f92b8 JB |
1476 | |
1477 | /* Convert rectangle edges in pixels to edges in chars. | |
1478 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1479 | top = PIXEL_TO_CHAR_ROW (f, top); |
1480 | left = PIXEL_TO_CHAR_COL (f, left); | |
a27f9f86 | 1481 | bottom += (f->display.x->line_height - 1); |
f676886a | 1482 | right += (FONT_WIDTH (f->display.x->font) - 1); |
12ba150f JB |
1483 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1484 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1485 | |
1486 | /* Clip the rectangle to what can be visible. */ | |
1487 | if (left < 0) | |
1488 | left = 0; | |
1489 | if (top < 0) | |
1490 | top = 0; | |
f676886a JB |
1491 | if (right > f->width) |
1492 | right = f->width; | |
1493 | if (bottom > f->height) | |
1494 | bottom = f->height; | |
dc6f92b8 JB |
1495 | |
1496 | /* Get size in chars of the rectangle. */ | |
1497 | cols = right - left; | |
1498 | rows = bottom - top; | |
1499 | ||
1500 | /* If rectangle has zero area, return. */ | |
1501 | if (rows <= 0) return; | |
1502 | if (cols <= 0) return; | |
1503 | ||
1504 | /* Turn off the cursor if it is in the rectangle. | |
1505 | We will turn it back on afterward. */ | |
f676886a JB |
1506 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1507 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1508 | { |
f676886a | 1509 | clear_cursor (f); |
dc6f92b8 JB |
1510 | cursor_cleared = 1; |
1511 | } | |
1512 | ||
1513 | /* Display the text in the rectangle, one text line at a time. */ | |
1514 | ||
1515 | for (y = top; y < bottom; y++) | |
1516 | { | |
f676886a | 1517 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1518 | |
f676886a | 1519 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1520 | continue; |
1521 | ||
f676886a | 1522 | dumpglyphs (f, |
12ba150f JB |
1523 | CHAR_TO_PIXEL_COL (f, left), |
1524 | CHAR_TO_PIXEL_ROW (f, y), | |
1525 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1526 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1527 | } |
1528 | ||
1529 | /* Turn the cursor on if we turned it off. */ | |
1530 | ||
1531 | if (cursor_cleared) | |
f676886a | 1532 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1533 | } |
1534 | ||
1535 | #ifndef HAVE_X11 | |
1536 | /* Process all queued ExposeRegion events. */ | |
1537 | ||
1538 | static void | |
1539 | dumpqueue () | |
1540 | { | |
1541 | register int i; | |
1542 | XExposeRegionEvent r; | |
1543 | ||
1544 | while (dequeue_event (&r, &x_expose_queue)) | |
1545 | { | |
f676886a JB |
1546 | struct frame *f = x_window_to_frame (r.window); |
1547 | if (f->display.x->icon_desc == r.window) | |
1548 | refreshicon (f); | |
dc6f92b8 | 1549 | else |
f676886a | 1550 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1551 | } |
1552 | XFlushQueue (); | |
1553 | } | |
c118dd06 | 1554 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1555 | \f |
f451eb13 | 1556 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1557 | Redraws the cursor if necessary on any frame that |
1558 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1559 | |
f451eb13 | 1560 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1561 | static void |
1562 | x_do_pending_expose () | |
1563 | { | |
1564 | int mask; | |
f676886a JB |
1565 | struct frame *f; |
1566 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1567 | |
1568 | if (expose_all_windows) | |
1569 | { | |
1570 | expose_all_windows = 0; | |
f676886a | 1571 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1572 | { |
1573 | register int temp_width, temp_height; | |
1574 | int intborder; | |
1575 | ||
f676886a | 1576 | frame = XCONS (tail)->car; |
ab648270 | 1577 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1578 | continue; |
f676886a | 1579 | f = XFRAME (frame); |
b1c884c3 | 1580 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1581 | continue; |
3a88c238 | 1582 | if (!f->async_visible) |
dc6f92b8 | 1583 | continue; |
f676886a | 1584 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1585 | continue; |
1586 | ||
f676886a | 1587 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1588 | |
f676886a | 1589 | clear_cursor (f); |
c118dd06 | 1590 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1591 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1592 | - f->display.x->v_scroll_bar_width) |
f676886a | 1593 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1594 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1595 | - f->display.x->h_scroll_bar_height) |
a27f9f86 | 1596 | / f->display.x->line_height); |
f676886a | 1597 | if (temp_width != f->width || temp_height != f->height) |
dc6f92b8 | 1598 | { |
f676886a | 1599 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1600 | max (1, temp_width), 0, 1); |
ab648270 | 1601 | x_resize_scroll_bars (f); |
dc6f92b8 | 1602 | } |
f676886a JB |
1603 | f->display.x->left_pos = windowinfo.x; |
1604 | f->display.x->top_pos = windowinfo.y; | |
1605 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1606 | #if 0 |
f676886a | 1607 | dumpborder (f, 0); |
c118dd06 | 1608 | #endif /* ! 0 */ |
f676886a JB |
1609 | f->display.x->needs_exposure = 0; |
1610 | if (updating_frame != f) | |
1611 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1612 | XFlushQueue (); |
1613 | } | |
1614 | } | |
1615 | else | |
1616 | /* Handle any individual-rectangle expose events queued | |
1617 | for various windows. */ | |
1618 | #ifdef HAVE_X11 | |
1619 | ; | |
c118dd06 | 1620 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1621 | dumpqueue (); |
c118dd06 | 1622 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1623 | } |
f451eb13 | 1624 | #endif |
dc6f92b8 JB |
1625 | |
1626 | #ifdef HAVE_X11 | |
1627 | static void | |
f676886a JB |
1628 | frame_highlight (frame) |
1629 | struct frame *frame; | |
dc6f92b8 | 1630 | { |
b3e1e05c JB |
1631 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1632 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1633 | and border pixel are window attributes which are "private to the | |
1634 | client", so we can always change it to whatever we want. */ | |
1635 | BLOCK_INPUT; | |
1636 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), | |
1637 | frame->display.x->border_pixel); | |
1638 | UNBLOCK_INPUT; | |
f676886a | 1639 | x_display_cursor (frame, 1); |
dc6f92b8 JB |
1640 | } |
1641 | ||
1642 | static void | |
f676886a JB |
1643 | frame_unhighlight (frame) |
1644 | struct frame *frame; | |
dc6f92b8 | 1645 | { |
b3e1e05c JB |
1646 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1647 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1648 | and border pixel are window attributes which are "private to the | |
1649 | client", so we can always change it to whatever we want. */ | |
1650 | BLOCK_INPUT; | |
1651 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), | |
1652 | frame->display.x->border_tile); | |
1653 | UNBLOCK_INPUT; | |
f676886a | 1654 | x_display_cursor (frame, 1); |
dc6f92b8 | 1655 | } |
c118dd06 | 1656 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1657 | /* Dump the border-emphasis of frame F. |
1658 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1659 | just within the border, occupying a portion of the internal border. |
f676886a | 1660 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1661 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1662 | ||
f676886a | 1663 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1664 | In that case, we also turn the cursor off and on again |
1665 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1666 | ||
1667 | static void | |
f676886a JB |
1668 | dumpborder (f, always) |
1669 | struct frame *f; | |
dc6f92b8 JB |
1670 | int always; |
1671 | { | |
f676886a JB |
1672 | int thickness = f->display.x->internal_border_width / 2; |
1673 | int width = PIXEL_WIDTH (f); | |
1674 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1675 | int pixel; |
1676 | ||
f676886a | 1677 | if (f != selected_frame) |
dc6f92b8 JB |
1678 | { |
1679 | if (!always) | |
1680 | return; | |
1681 | ||
f676886a | 1682 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1683 | } |
1684 | else | |
1685 | { | |
f676886a | 1686 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1687 | } |
1688 | ||
c118dd06 JB |
1689 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1690 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1691 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1692 | thickness, pixel); |
c118dd06 | 1693 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1694 | height, pixel); |
1695 | ||
1696 | if (always) | |
f676886a | 1697 | x_display_cursor (f, 1); |
dc6f92b8 | 1698 | } |
c118dd06 | 1699 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1700 | |
f676886a | 1701 | static void XTframe_rehighlight (); |
6d4238f3 | 1702 | |
f676886a JB |
1703 | /* The focus has changed. Update the frames as necessary to reflect |
1704 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1705 | here, because the lisp code we are interrupting might become confused. |
eb8c3be9 | 1706 | Each event gets marked with the frame in which it occurred, so the |
6d4238f3 | 1707 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1708 | |
6d4238f3 | 1709 | static void |
f676886a JB |
1710 | x_new_focus_frame (frame) |
1711 | struct frame *frame; | |
dc6f92b8 | 1712 | { |
f676886a | 1713 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1714 | int events_enqueued = 0; |
1715 | ||
f676886a | 1716 | if (frame != x_focus_frame) |
dc6f92b8 | 1717 | { |
6d4238f3 | 1718 | /* Set this before calling other routines, so that they see |
f676886a JB |
1719 | the correct value of x_focus_frame. */ |
1720 | x_focus_frame = frame; | |
6d4238f3 JB |
1721 | |
1722 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1723 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1724 | |
1725 | #if 0 | |
f676886a JB |
1726 | selected_frame = frame; |
1727 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1728 | Lisp_Frame, selected_frame); | |
1729 | Fselect_window (selected_frame->selected_window); | |
1730 | choose_minibuf_frame (); | |
c118dd06 | 1731 | #endif /* ! 0 */ |
dc6f92b8 | 1732 | |
f676886a | 1733 | if (x_focus_frame && x_focus_frame->auto_raise) |
0134a210 RS |
1734 | pending_autoraise_frame = x_focus_frame; |
1735 | else | |
1736 | pending_autoraise_frame = 0; | |
6d4238f3 | 1737 | } |
dc6f92b8 | 1738 | |
f676886a | 1739 | XTframe_rehighlight (); |
6d4238f3 JB |
1740 | } |
1741 | ||
1742 | ||
f451eb13 JB |
1743 | /* The focus has changed, or we have redirected a frame's focus to |
1744 | another frame (this happens when a frame uses a surrogate | |
1745 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1746 | static void |
f676886a | 1747 | XTframe_rehighlight () |
6d4238f3 | 1748 | { |
f676886a | 1749 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1750 | |
f676886a | 1751 | if (x_focus_frame) |
6d4238f3 | 1752 | { |
f451eb13 | 1753 | x_highlight_frame = |
ab648270 | 1754 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1755 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1756 | : x_focus_frame); | |
1757 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1758 | { | |
1759 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1760 | x_highlight_frame = x_focus_frame; | |
1761 | } | |
dc6f92b8 | 1762 | } |
6d4238f3 | 1763 | else |
f676886a | 1764 | x_highlight_frame = 0; |
dc6f92b8 | 1765 | |
f676886a | 1766 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1767 | { |
1768 | if (old_highlight) | |
f676886a JB |
1769 | frame_unhighlight (old_highlight); |
1770 | if (x_highlight_frame) | |
1771 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1772 | } |
dc6f92b8 JB |
1773 | } |
1774 | \f | |
e4571a43 | 1775 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1776 | |
28430d3c JB |
1777 | /* Which modifier keys are on which modifier bits? |
1778 | ||
1779 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1780 | keys were held down when the key was pressed. The interpretation |
1781 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1782 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1783 | is the meta bit. | |
1784 | ||
1785 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1786 | It may have more than one bit set, if more than one modifier bit | |
1787 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1788 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1789 | ||
1790 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1791 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1792 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1793 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1794 | arrangement, the lock modifier should shift the character if | |
1795 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1796 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1797 | |
a3c44b14 RS |
1798 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1799 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1800 | ||
28430d3c JB |
1801 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1802 | static void | |
1803 | x_find_modifier_meanings () | |
1804 | { | |
f689eb05 | 1805 | int min_code, max_code; |
28430d3c JB |
1806 | KeySym *syms; |
1807 | int syms_per_code; | |
1808 | XModifierKeymap *mods; | |
1809 | ||
1810 | x_meta_mod_mask = 0; | |
11edeb03 | 1811 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1812 | x_alt_mod_mask = 0; |
1813 | x_super_mod_mask = 0; | |
1814 | x_hyper_mod_mask = 0; | |
28430d3c | 1815 | |
9658a521 | 1816 | #ifdef HAVE_X11R4 |
28430d3c | 1817 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1818 | #else |
1819 | min_code = x_current_display->min_keycode; | |
1820 | max_code = x_current_display->max_keycode; | |
1821 | #endif | |
1822 | ||
28430d3c JB |
1823 | syms = XGetKeyboardMapping (x_current_display, |
1824 | min_code, max_code - min_code + 1, | |
1825 | &syms_per_code); | |
1826 | mods = XGetModifierMapping (x_current_display); | |
1827 | ||
11edeb03 JB |
1828 | /* Scan the modifier table to see which modifier bits the Meta and |
1829 | Alt keysyms are on. */ | |
28430d3c JB |
1830 | { |
1831 | int row, col; /* The row and column in the modifier table. */ | |
1832 | ||
1833 | for (row = 3; row < 8; row++) | |
1834 | for (col = 0; col < mods->max_keypermod; col++) | |
1835 | { | |
1836 | KeyCode code = | |
1837 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1838 | ||
af92970c KH |
1839 | /* Zeroes are used for filler. Skip them. */ |
1840 | if (code == 0) | |
1841 | continue; | |
1842 | ||
28430d3c JB |
1843 | /* Are any of this keycode's keysyms a meta key? */ |
1844 | { | |
1845 | int code_col; | |
1846 | ||
1847 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1848 | { | |
f689eb05 | 1849 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1850 | |
f689eb05 | 1851 | switch (sym) |
28430d3c | 1852 | { |
f689eb05 JB |
1853 | case XK_Meta_L: |
1854 | case XK_Meta_R: | |
28430d3c JB |
1855 | x_meta_mod_mask |= (1 << row); |
1856 | break; | |
f689eb05 JB |
1857 | |
1858 | case XK_Alt_L: | |
1859 | case XK_Alt_R: | |
a3c44b14 RS |
1860 | x_alt_mod_mask |= (1 << row); |
1861 | break; | |
1862 | ||
1863 | case XK_Hyper_L: | |
1864 | case XK_Hyper_R: | |
1865 | x_hyper_mod_mask |= (1 << row); | |
1866 | break; | |
1867 | ||
1868 | case XK_Super_L: | |
1869 | case XK_Super_R: | |
1870 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1871 | break; |
11edeb03 JB |
1872 | |
1873 | case XK_Shift_Lock: | |
1874 | /* Ignore this if it's not on the lock modifier. */ | |
1875 | if ((1 << row) == LockMask) | |
1876 | x_shift_lock_mask = LockMask; | |
1877 | break; | |
28430d3c JB |
1878 | } |
1879 | } | |
1880 | } | |
1881 | } | |
1882 | } | |
1883 | ||
f689eb05 JB |
1884 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1885 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1886 | { |
1887 | x_meta_mod_mask = x_alt_mod_mask; | |
1888 | x_alt_mod_mask = 0; | |
1889 | } | |
f689eb05 | 1890 | |
148c4b70 RS |
1891 | /* If some keys are both alt and meta, |
1892 | make them just meta, not alt. */ | |
1893 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1894 | { | |
1895 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1896 | } | |
1897 | ||
28430d3c | 1898 | XFree ((char *) syms); |
f689eb05 | 1899 | XFreeModifiermap (mods); |
28430d3c JB |
1900 | } |
1901 | ||
dfeccd2d JB |
1902 | /* Convert between the modifier bits X uses and the modifier bits |
1903 | Emacs uses. */ | |
7c5283e4 | 1904 | static unsigned int |
dfeccd2d | 1905 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1906 | unsigned int state; |
1907 | { | |
11edeb03 JB |
1908 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1909 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1910 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1911 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1912 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1913 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1914 | } |
1915 | ||
dfeccd2d JB |
1916 | static unsigned int |
1917 | x_emacs_to_x_modifiers (state) | |
1918 | unsigned int state; | |
1919 | { | |
1920 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1921 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1922 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1923 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1924 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1925 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1926 | } | |
e4571a43 JB |
1927 | \f |
1928 | /* Mouse clicks and mouse movement. Rah. */ | |
1929 | #ifdef HAVE_X11 | |
1930 | ||
1931 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1932 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1933 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1934 | If NOCLIP is nonzero, do not force the value into range. */ | |
1935 | ||
c8dba240 | 1936 | void |
69388238 | 1937 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1938 | FRAME_PTR f; |
69388238 | 1939 | register int pix_x, pix_y; |
e4571a43 JB |
1940 | register int *x, *y; |
1941 | XRectangle *bounds; | |
69388238 | 1942 | int noclip; |
e4571a43 | 1943 | { |
69388238 RS |
1944 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1945 | even for negative values. */ | |
1946 | if (pix_x < 0) | |
1947 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1948 | if (pix_y < 0) | |
a27f9f86 | 1949 | pix_y -= (f)->display.x->line_height - 1; |
69388238 | 1950 | |
e4571a43 JB |
1951 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1952 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1953 | ||
1954 | if (bounds) | |
1955 | { | |
1956 | bounds->width = FONT_WIDTH (f->display.x->font); | |
a27f9f86 | 1957 | bounds->height = f->display.x->line_height; |
e4571a43 JB |
1958 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1959 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1960 | } | |
1961 | ||
69388238 RS |
1962 | if (!noclip) |
1963 | { | |
1964 | if (pix_x < 0) | |
1965 | pix_x = 0; | |
1966 | else if (pix_x > f->width) | |
1967 | pix_x = f->width; | |
1968 | ||
1969 | if (pix_y < 0) | |
1970 | pix_y = 0; | |
1971 | else if (pix_y > f->height) | |
1972 | pix_y = f->height; | |
1973 | } | |
e4571a43 JB |
1974 | |
1975 | *x = pix_x; | |
1976 | *y = pix_y; | |
1977 | } | |
1978 | ||
2b5c9e71 RS |
1979 | void |
1980 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1981 | FRAME_PTR f; | |
1982 | register int x, y; | |
1983 | register int *pix_x, *pix_y; | |
1984 | { | |
1985 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1986 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1987 | } | |
1988 | ||
dc6f92b8 JB |
1989 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1990 | ||
1991 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1992 | the mouse. */ |
dc6f92b8 JB |
1993 | |
1994 | static Lisp_Object | |
f451eb13 | 1995 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1996 | struct input_event *result; |
1997 | XButtonEvent *event; | |
f676886a | 1998 | struct frame *f; |
dc6f92b8 | 1999 | { |
f451eb13 | 2000 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 2001 | otherwise. */ |
f451eb13 | 2002 | result->kind = mouse_click; |
69388238 | 2003 | result->code = event->button - Button1; |
1113d9db | 2004 | result->timestamp = event->time; |
dfeccd2d | 2005 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
2006 | | (event->type == ButtonRelease |
2007 | ? up_modifier | |
2008 | : down_modifier)); | |
dc6f92b8 JB |
2009 | |
2010 | /* Notice if the mouse is still grabbed. */ | |
2011 | if (event->type == ButtonPress) | |
2012 | { | |
2013 | if (! x_mouse_grabbed) | |
2014 | Vmouse_depressed = Qt; | |
90e65f07 | 2015 | x_mouse_grabbed |= (1 << event->button); |
69388238 | 2016 | last_mouse_frame = f; |
dc6f92b8 JB |
2017 | } |
2018 | else if (event->type == ButtonRelease) | |
2019 | { | |
90e65f07 | 2020 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
2021 | if (!x_mouse_grabbed) |
2022 | Vmouse_depressed = Qnil; | |
2023 | } | |
2024 | ||
f451eb13 JB |
2025 | { |
2026 | int row, column; | |
dc6f92b8 | 2027 | |
2b5c9e71 | 2028 | #if 0 |
69388238 | 2029 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
f451eb13 JB |
2030 | XFASTINT (result->x) = column; |
2031 | XFASTINT (result->y) = row; | |
2b5c9e71 | 2032 | #endif |
09fe4c31 RS |
2033 | XSET (result->x, Lisp_Int, event->x); |
2034 | XSET (result->y, Lisp_Int, event->y); | |
12ba150f | 2035 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 2036 | } |
dc6f92b8 | 2037 | } |
b849c413 RS |
2038 | |
2039 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
2040 | ||
2041 | static Lisp_Object | |
2042 | construct_menu_click (result, event, f) | |
2043 | struct input_event *result; | |
2044 | XButtonEvent *event; | |
2045 | struct frame *f; | |
2046 | { | |
2047 | /* Make the event type no_event; we'll change that when we decide | |
2048 | otherwise. */ | |
2049 | result->kind = mouse_click; | |
2050 | XSET (result->code, Lisp_Int, event->button - Button1); | |
2051 | result->timestamp = event->time; | |
2052 | result->modifiers = (x_x_to_emacs_modifiers (event->state) | |
2053 | | (event->type == ButtonRelease | |
2054 | ? up_modifier | |
2055 | : down_modifier)); | |
2056 | ||
09fe4c31 RS |
2057 | XSET (result->x, Lisp_Int, event->x); |
2058 | XSET (result->y, Lisp_Int, -1); | |
c8dba240 | 2059 | XSET (result->frame_or_window, Lisp_Frame, f); |
b849c413 | 2060 | } |
69388238 | 2061 | \f |
90e65f07 JB |
2062 | /* Function to report a mouse movement to the mainstream Emacs code. |
2063 | The input handler calls this. | |
2064 | ||
2065 | We have received a mouse movement event, which is given in *event. | |
2066 | If the mouse is over a different glyph than it was last time, tell | |
2067 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
2068 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 2069 | |
90e65f07 | 2070 | static void |
12ba150f | 2071 | note_mouse_movement (frame, event) |
f676886a | 2072 | FRAME_PTR frame; |
90e65f07 JB |
2073 | XMotionEvent *event; |
2074 | ||
2075 | { | |
e5d77022 JB |
2076 | last_mouse_movement_time = event->time; |
2077 | ||
27f338af RS |
2078 | if (event->window != FRAME_X_WINDOW (frame)) |
2079 | { | |
2080 | mouse_moved = 1; | |
2081 | last_mouse_scroll_bar = Qnil; | |
2082 | ||
2083 | note_mouse_highlight (frame, -1, -1); | |
2084 | ||
2085 | /* Ask for another mouse motion event. */ | |
2086 | { | |
2087 | int dummy; | |
2088 | ||
2089 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), | |
2090 | (Window *) &dummy, (Window *) &dummy, | |
2091 | &dummy, &dummy, &dummy, &dummy, | |
2092 | (unsigned int *) &dummy); | |
2093 | } | |
2094 | } | |
2095 | ||
90e65f07 | 2096 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
2097 | else if (event->x < last_mouse_glyph.x |
2098 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
2099 | || event->y < last_mouse_glyph.y | |
2100 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
2101 | { |
2102 | mouse_moved = 1; | |
ab648270 | 2103 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
2104 | |
2105 | note_mouse_highlight (frame, event->x, event->y); | |
2106 | ||
2107 | /* Ask for another mouse motion event. */ | |
2108 | { | |
2109 | int dummy; | |
2110 | ||
27f338af | 2111 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
b8009dd1 RS |
2112 | (Window *) &dummy, (Window *) &dummy, |
2113 | &dummy, &dummy, &dummy, &dummy, | |
2114 | (unsigned int *) &dummy); | |
2115 | } | |
12ba150f | 2116 | } |
90e65f07 JB |
2117 | else |
2118 | { | |
2119 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
2120 | event the next time the mouse moves and we can see if it's | |
2121 | *still* on the same glyph. */ | |
2122 | int dummy; | |
2123 | ||
27f338af | 2124 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
90e65f07 JB |
2125 | (Window *) &dummy, (Window *) &dummy, |
2126 | &dummy, &dummy, &dummy, &dummy, | |
2127 | (unsigned int *) &dummy); | |
2128 | } | |
2129 | } | |
2130 | ||
bf1c0ba1 RS |
2131 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
2132 | static int disable_mouse_highlight; | |
2133 | ||
b8009dd1 RS |
2134 | /* Take proper action when the mouse has moved to position X, Y on frame F |
2135 | as regards highlighting characters that have mouse-face properties. | |
27f338af RS |
2136 | Also dehighlighting chars where the mouse was before. |
2137 | X and Y can be negative or out of range. */ | |
b8009dd1 RS |
2138 | |
2139 | static void | |
2140 | note_mouse_highlight (f, x, y) | |
2141 | FRAME_PTR f; | |
2142 | { | |
2143 | int row, column, portion; | |
2144 | XRectangle new_glyph; | |
2145 | Lisp_Object window; | |
2146 | struct window *w; | |
2147 | ||
bf1c0ba1 RS |
2148 | if (disable_mouse_highlight) |
2149 | return; | |
2150 | ||
b8009dd1 RS |
2151 | mouse_face_mouse_x = x; |
2152 | mouse_face_mouse_y = y; | |
2153 | mouse_face_mouse_frame = f; | |
2154 | ||
2155 | if (mouse_face_defer) | |
2156 | return; | |
2157 | ||
514e4681 RS |
2158 | if (gc_in_progress) |
2159 | { | |
2160 | mouse_face_deferred_gc = 1; | |
2161 | return; | |
2162 | } | |
2163 | ||
b8009dd1 RS |
2164 | /* Find out which glyph the mouse is on. */ |
2165 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
2166 | &new_glyph, x_mouse_grabbed); | |
2167 | ||
2168 | /* Which window is that in? */ | |
2169 | window = window_from_coordinates (f, column, row, &portion); | |
2170 | w = XWINDOW (window); | |
2171 | ||
2172 | /* If we were displaying active text in another window, clear that. */ | |
2173 | if (! EQ (window, mouse_face_window)) | |
2174 | clear_mouse_face (); | |
2175 | ||
0cdd0c9f RS |
2176 | /* Are we in a window whose display is up to date? |
2177 | And verify the buffer's text has not changed. */ | |
27f338af RS |
2178 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
2179 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
0cdd0c9f RS |
2180 | && EQ (w->window_end_valid, w->buffer) |
2181 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
2182 | { |
2183 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
2184 | int i, pos; | |
2185 | ||
2186 | /* Find which buffer position the mouse corresponds to. */ | |
2187 | for (i = column; i >= 0; i--) | |
2188 | if (ptr[i] > 0) | |
2189 | break; | |
2190 | pos = ptr[i]; | |
2191 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 KH |
2192 | if (pos <= 0) |
2193 | clear_mouse_face (); | |
2194 | else if (! (EQ (window, mouse_face_window) | |
3b506386 KH |
2195 | && row >= mouse_face_beg_row |
2196 | && row <= mouse_face_end_row | |
2197 | && (row > mouse_face_beg_row || column >= mouse_face_beg_col) | |
4d73d038 RS |
2198 | && (row < mouse_face_end_row || column < mouse_face_end_col |
2199 | || mouse_face_past_end))) | |
b8009dd1 RS |
2200 | { |
2201 | Lisp_Object mouse_face, overlay, position; | |
2202 | Lisp_Object *overlay_vec; | |
2203 | int len, noverlays, ignor1; | |
f8bdb8e6 | 2204 | struct buffer *obuf; |
e444162e | 2205 | int obegv, ozv; |
f8bdb8e6 | 2206 | |
e444162e RS |
2207 | /* If we get an out-of-range value, return now; avoid an error. */ |
2208 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 2209 | return; |
b8009dd1 | 2210 | |
09fe4c31 RS |
2211 | /* Make the window's buffer temporarily current for |
2212 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 2213 | obuf = current_buffer; |
09fe4c31 | 2214 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
2215 | obegv = BEGV; |
2216 | ozv = ZV; | |
2217 | BEGV = BEG; | |
2218 | ZV = Z; | |
09fe4c31 | 2219 | |
b8009dd1 RS |
2220 | /* Yes. Clear the display of the old active region, if any. */ |
2221 | clear_mouse_face (); | |
2222 | ||
2223 | /* Is this char mouse-active? */ | |
2224 | XSET (position, Lisp_Int, pos); | |
2225 | ||
2226 | len = 10; | |
2227 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
2228 | ||
2229 | /* Put all the overlays we want in a vector in overlay_vec. | |
2230 | Store the length in len. */ | |
2231 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, &ignor1); | |
09fe4c31 | 2232 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
2233 | |
2234 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
2235 | overlay = Qnil; | |
2236 | for (i = 0; i < noverlays; i++) | |
2237 | { | |
2238 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2239 | if (!NILP (mouse_face)) | |
2240 | { | |
2241 | overlay = overlay_vec[i]; | |
2242 | break; | |
2243 | } | |
2244 | } | |
2245 | free (overlay_vec); | |
2246 | /* If no overlay applies, get a text property. */ | |
2247 | if (NILP (overlay)) | |
2248 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
2249 | ||
2250 | /* Handle the overlay case. */ | |
2251 | if (! NILP (overlay)) | |
2252 | { | |
2253 | /* Find the range of text around this char that | |
2254 | should be active. */ | |
2255 | Lisp_Object before, after; | |
2256 | int ignore; | |
2257 | ||
2258 | before = Foverlay_start (overlay); | |
2259 | after = Foverlay_end (overlay); | |
2260 | /* Record this as the current active region. */ | |
4d73d038 RS |
2261 | fast_find_position (window, before, &mouse_face_beg_col, |
2262 | &mouse_face_beg_row); | |
2263 | mouse_face_past_end | |
2264 | = !fast_find_position (window, after, &mouse_face_end_col, | |
2265 | &mouse_face_end_row); | |
b8009dd1 RS |
2266 | mouse_face_window = window; |
2267 | mouse_face_face_id = compute_char_face (f, w, pos, 0, 0, | |
2268 | &ignore, pos + 1, 1); | |
2269 | ||
2270 | /* Display it as active. */ | |
2271 | show_mouse_face (1); | |
2272 | } | |
2273 | /* Handle the text property case. */ | |
2274 | else if (! NILP (mouse_face)) | |
2275 | { | |
2276 | /* Find the range of text around this char that | |
2277 | should be active. */ | |
2278 | Lisp_Object before, after, beginning, end; | |
2279 | int ignore; | |
2280 | ||
2281 | beginning = Fmarker_position (w->start); | |
2282 | XSET (end, Lisp_Int, | |
09fe4c31 | 2283 | (BUF_Z (XBUFFER (w->buffer)) |
b8009dd1 RS |
2284 | - XFASTINT (w->window_end_pos))); |
2285 | before | |
2286 | = Fprevious_single_property_change (make_number (pos + 1), | |
2287 | Qmouse_face, | |
2288 | w->buffer, beginning); | |
2289 | after | |
2290 | = Fnext_single_property_change (position, Qmouse_face, | |
2291 | w->buffer, end); | |
2292 | /* Record this as the current active region. */ | |
4d73d038 RS |
2293 | fast_find_position (window, before, &mouse_face_beg_col, |
2294 | &mouse_face_beg_row); | |
2295 | mouse_face_past_end | |
2296 | = !fast_find_position (window, after, &mouse_face_end_col, | |
2297 | &mouse_face_end_row); | |
b8009dd1 RS |
2298 | mouse_face_window = window; |
2299 | mouse_face_face_id | |
2300 | = compute_char_face (f, w, pos, 0, 0, | |
2301 | &ignore, pos + 1, 1); | |
2302 | ||
2303 | /* Display it as active. */ | |
2304 | show_mouse_face (1); | |
2305 | } | |
e444162e RS |
2306 | BEGV = obegv; |
2307 | ZV = ozv; | |
09fe4c31 | 2308 | current_buffer = obuf; |
b8009dd1 | 2309 | } |
b8009dd1 RS |
2310 | } |
2311 | } | |
2312 | \f | |
2313 | /* Find the row and column of position POS in window WINDOW. | |
2314 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2315 | This assumes display in WINDOW is up to date. |
2316 | If POS is above start of WINDOW, return coords | |
2317 | of start of first screen line. | |
4d73d038 RS |
2318 | If POS is after end of WINDOW, return coords of end of last screen line. |
2319 | ||
2320 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
b8009dd1 RS |
2321 | |
2322 | static int | |
2323 | fast_find_position (window, pos, columnp, rowp) | |
2324 | Lisp_Object window; | |
2325 | int pos; | |
2326 | int *columnp, *rowp; | |
2327 | { | |
2328 | struct window *w = XWINDOW (window); | |
2329 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2330 | int i; | |
4d73d038 | 2331 | int row = 0; |
b8009dd1 RS |
2332 | int left = w->left; |
2333 | int top = w->top; | |
2334 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2335 | int width = window_internal_width (w); | |
2336 | int *charstarts; | |
bf1c0ba1 | 2337 | int lastcol; |
b8009dd1 | 2338 | |
4d73d038 | 2339 | /* Find the right row. */ |
b8009dd1 RS |
2340 | for (i = 0; |
2341 | i < height; | |
2342 | i++) | |
2343 | { | |
2344 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2345 | if (linestart > pos) | |
2346 | break; | |
2347 | if (linestart > 0) | |
2348 | row = i; | |
2349 | } | |
2350 | ||
4d73d038 | 2351 | /* Find the right column with in it. */ |
b8009dd1 | 2352 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
bf1c0ba1 | 2353 | lastcol = left; |
b8009dd1 | 2354 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2355 | { |
2356 | if (charstarts[left + i] == pos) | |
2357 | { | |
2358 | *rowp = row + top; | |
2359 | *columnp = i + left; | |
2360 | return 1; | |
2361 | } | |
2362 | else if (charstarts[left + i] > pos) | |
4d73d038 RS |
2363 | break; |
2364 | else if (charstarts[left + i] > 0) | |
bf1c0ba1 RS |
2365 | lastcol = left + i; |
2366 | } | |
b8009dd1 | 2367 | |
bf1c0ba1 RS |
2368 | *rowp = row + top; |
2369 | *columnp = lastcol; | |
b8009dd1 RS |
2370 | return 0; |
2371 | } | |
2372 | ||
2373 | /* Display the active region described by mouse_face_* | |
2374 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2375 | ||
2376 | static void | |
2377 | show_mouse_face (hl) | |
2378 | int hl; | |
2379 | { | |
b8009dd1 RS |
2380 | struct window *w = XWINDOW (mouse_face_window); |
2381 | int width = window_internal_width (w); | |
2382 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2383 | int i; | |
514e4681 RS |
2384 | int curs_x = f->phys_cursor_x; |
2385 | int curs_y = f->phys_cursor_y; | |
2386 | int cursor_off = 0; | |
b8009dd1 | 2387 | |
3b506386 | 2388 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) |
b8009dd1 | 2389 | { |
3b506386 KH |
2390 | int column = (i == mouse_face_beg_row ? mouse_face_beg_col : w->left); |
2391 | int endcolumn = (i == mouse_face_end_row ? mouse_face_end_col : w->left + width); | |
514e4681 RS |
2392 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i] - w->left); |
2393 | ||
2394 | /* If the cursor's in the text we are about to rewrite, | |
2395 | turn the cursor off. */ | |
2396 | if (i == curs_y | |
3b506386 | 2397 | && curs_x >= mouse_face_beg_col - 1 && curs_x <= mouse_face_end_col) |
514e4681 RS |
2398 | { |
2399 | x_display_cursor (f, 0); | |
2400 | cursor_off = 1; | |
2401 | } | |
b8009dd1 RS |
2402 | |
2403 | dumpglyphs (f, | |
2404 | CHAR_TO_PIXEL_COL (f, column), | |
2405 | CHAR_TO_PIXEL_ROW (f, i), | |
2406 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2407 | endcolumn - column, | |
2408 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2409 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2410 | } |
2411 | ||
514e4681 RS |
2412 | /* If we turned the cursor off, turn it back on. */ |
2413 | if (cursor_off) | |
2414 | x_display_cursor (f, 1); | |
27ead1d5 FP |
2415 | |
2416 | /* Change the mouse cursor according to the value of HL. */ | |
2417 | if (hl > 0) | |
2418 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->cross_cursor); | |
2419 | else | |
2420 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->text_cursor); | |
b8009dd1 RS |
2421 | } |
2422 | ||
2423 | /* Clear out the mouse-highlighted active region. | |
2424 | Redraw it unhighlighted first. */ | |
2425 | ||
2426 | static void | |
2427 | clear_mouse_face () | |
2428 | { | |
2429 | if (! NILP (mouse_face_window)) | |
2430 | show_mouse_face (0); | |
2431 | ||
3b506386 KH |
2432 | mouse_face_beg_row = mouse_face_beg_col = -1; |
2433 | mouse_face_end_row = mouse_face_end_col = -1; | |
b8009dd1 RS |
2434 | mouse_face_window = Qnil; |
2435 | } | |
2436 | \f | |
ab648270 JB |
2437 | static struct scroll_bar *x_window_to_scroll_bar (); |
2438 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2439 | |
90e65f07 JB |
2440 | /* Return the current position of the mouse. |
2441 | ||
ab648270 JB |
2442 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
2443 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 2444 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2445 | position on the scroll bar. |
12ba150f JB |
2446 | |
2447 | If the mouse movement started elsewhere, set *f to the frame the | |
2448 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2449 | the mouse is over. | |
2450 | ||
2451 | Set *time to the server timestamp for the time at which the mouse | |
2452 | was at this position. | |
2453 | ||
a135645a RS |
2454 | Don't store anything if we don't have a valid set of values to report. |
2455 | ||
90e65f07 | 2456 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2457 | movement. This also calls XQueryPointer, which will cause the |
2458 | server to give us another MotionNotify when the mouse moves | |
2459 | again. */ | |
90e65f07 JB |
2460 | |
2461 | static void | |
12ba150f | 2462 | XTmouse_position (f, bar_window, part, x, y, time) |
472895ad | 2463 | FRAME_PTR *f; |
12ba150f | 2464 | Lisp_Object *bar_window; |
ab648270 | 2465 | enum scroll_bar_part *part; |
90e65f07 | 2466 | Lisp_Object *x, *y; |
e5d77022 | 2467 | unsigned long *time; |
90e65f07 | 2468 | { |
a135645a RS |
2469 | FRAME_PTR f1; |
2470 | ||
90e65f07 JB |
2471 | BLOCK_INPUT; |
2472 | ||
ab648270 JB |
2473 | if (! NILP (last_mouse_scroll_bar)) |
2474 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
2475 | else |
2476 | { | |
12ba150f JB |
2477 | Window root; |
2478 | int root_x, root_y; | |
90e65f07 | 2479 | |
12ba150f JB |
2480 | Window dummy_window; |
2481 | int dummy; | |
2482 | ||
2483 | mouse_moved = 0; | |
ab648270 | 2484 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2485 | |
2486 | /* Figure out which root window we're on. */ | |
2487 | XQueryPointer (x_current_display, | |
2488 | DefaultRootWindow (x_current_display), | |
2489 | ||
2490 | /* The root window which contains the pointer. */ | |
2491 | &root, | |
2492 | ||
2493 | /* Trash which we can't trust if the pointer is on | |
2494 | a different screen. */ | |
2495 | &dummy_window, | |
2496 | ||
2497 | /* The position on that root window. */ | |
2498 | &root_x, &root_y, | |
2499 | ||
2500 | /* More trash we can't trust. */ | |
2501 | &dummy, &dummy, | |
2502 | ||
2503 | /* Modifier keys and pointer buttons, about which | |
2504 | we don't care. */ | |
2505 | (unsigned int *) &dummy); | |
2506 | ||
2507 | /* Now we have a position on the root; find the innermost window | |
2508 | containing the pointer. */ | |
2509 | { | |
2510 | Window win, child; | |
2511 | int win_x, win_y; | |
2512 | int parent_x, parent_y; | |
2513 | ||
2514 | win = root; | |
69388238 | 2515 | |
06ef4a3f | 2516 | if (x_mouse_grabbed && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 2517 | { |
69388238 RS |
2518 | /* If mouse was grabbed on a frame, give coords for that frame |
2519 | even if the mouse is now outside it. */ | |
12ba150f | 2520 | XTranslateCoordinates (x_current_display, |
69388238 | 2521 | |
12ba150f | 2522 | /* From-window, to-window. */ |
69388238 | 2523 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2524 | |
2525 | /* From-position, to-position. */ | |
2526 | root_x, root_y, &win_x, &win_y, | |
2527 | ||
2528 | /* Child of win. */ | |
2529 | &child); | |
69388238 RS |
2530 | f1 = last_mouse_frame; |
2531 | } | |
2532 | else | |
2533 | { | |
2534 | while (1) | |
2535 | { | |
2536 | XTranslateCoordinates (x_current_display, | |
12ba150f | 2537 | |
69388238 RS |
2538 | /* From-window, to-window. */ |
2539 | root, win, | |
12ba150f | 2540 | |
69388238 RS |
2541 | /* From-position, to-position. */ |
2542 | root_x, root_y, &win_x, &win_y, | |
2543 | ||
2544 | /* Child of win. */ | |
2545 | &child); | |
2546 | ||
2547 | if (child == None) | |
2548 | break; | |
2549 | ||
2550 | win = child; | |
2551 | parent_x = win_x; | |
2552 | parent_y = win_y; | |
2553 | } | |
12ba150f | 2554 | |
69388238 RS |
2555 | /* Now we know that: |
2556 | win is the innermost window containing the pointer | |
2557 | (XTC says it has no child containing the pointer), | |
2558 | win_x and win_y are the pointer's position in it | |
2559 | (XTC did this the last time through), and | |
2560 | parent_x and parent_y are the pointer's position in win's parent. | |
2561 | (They are what win_x and win_y were when win was child. | |
2562 | If win is the root window, it has no parent, and | |
2563 | parent_{x,y} are invalid, but that's okay, because we'll | |
2564 | never use them in that case.) */ | |
2565 | ||
2566 | /* Is win one of our frames? */ | |
2b5c9e71 | 2567 | f1 = x_any_window_to_frame (win); |
69388238 | 2568 | } |
12ba150f | 2569 | |
ab648270 | 2570 | /* If not, is it one of our scroll bars? */ |
a135645a | 2571 | if (! f1) |
12ba150f | 2572 | { |
ab648270 | 2573 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2574 | |
2575 | if (bar) | |
2576 | { | |
a135645a | 2577 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2578 | win_x = parent_x; |
2579 | win_y = parent_y; | |
2580 | } | |
2581 | } | |
90e65f07 | 2582 | |
a135645a | 2583 | if (f1) |
12ba150f | 2584 | { |
2b5c9e71 RS |
2585 | int ignore1, ignore2; |
2586 | ||
2587 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2588 | |
2b5c9e71 | 2589 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
69388238 | 2590 | &last_mouse_glyph, x_mouse_grabbed); |
12ba150f JB |
2591 | |
2592 | *bar_window = Qnil; | |
2593 | *part = 0; | |
a135645a | 2594 | *f = f1; |
12ba150f JB |
2595 | XSET (*x, Lisp_Int, win_x); |
2596 | XSET (*y, Lisp_Int, win_y); | |
2597 | *time = last_mouse_movement_time; | |
2598 | } | |
2599 | } | |
2600 | } | |
90e65f07 JB |
2601 | |
2602 | UNBLOCK_INPUT; | |
2603 | } | |
2604 | ||
c118dd06 | 2605 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2606 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
2607 | #endif /* ! defined (HAVE_X11) */ |
2608 | \f | |
ab648270 | 2609 | /* Scroll bar support. */ |
f451eb13 | 2610 | |
ab648270 JB |
2611 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2612 | This can be called in GC, so we have to make sure to strip off mark | |
2613 | bits. */ | |
2614 | static struct scroll_bar * | |
2615 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2616 | Window window_id; |
2617 | { | |
2618 | Lisp_Object tail, frame; | |
f451eb13 | 2619 | |
ab648270 JB |
2620 | for (tail = Vframe_list; |
2621 | XGCTYPE (tail) == Lisp_Cons; | |
2622 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2623 | { |
abdda982 | 2624 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2625 | |
abdda982 | 2626 | frame = XCONS (tail)->car; |
f451eb13 | 2627 | /* All elements of Vframe_list should be frames. */ |
ab648270 | 2628 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
2629 | abort (); |
2630 | ||
ab648270 | 2631 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2632 | right window ID. */ |
ab648270 JB |
2633 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2634 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2635 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2636 | condemned scroll bar lists with one loop. */ |
2637 | ! GC_NILP (bar) || (bar = condemned, | |
2638 | condemned = Qnil, | |
2639 | ! GC_NILP (bar)); | |
bc20ebbf | 2640 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2641 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2642 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2643 | } |
2644 | ||
2645 | return 0; | |
2646 | } | |
2647 | ||
ab648270 JB |
2648 | /* Open a new X window to serve as a scroll bar, and return the |
2649 | scroll bar vector for it. */ | |
2650 | static struct scroll_bar * | |
2651 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2652 | struct window *window; |
f451eb13 JB |
2653 | int top, left, width, height; |
2654 | { | |
12ba150f | 2655 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
2656 | struct scroll_bar *bar = |
2657 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2658 | |
2659 | BLOCK_INPUT; | |
2660 | ||
2661 | { | |
2662 | XSetWindowAttributes a; | |
2663 | unsigned long mask; | |
12ba150f JB |
2664 | a.background_pixel = frame->display.x->background_pixel; |
2665 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 2666 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2667 | | ExposureMask); |
ab648270 | 2668 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 2669 | |
dbc4e1c1 | 2670 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2671 | |
3afe33e7 RS |
2672 | #if 0 |
2673 | ||
2674 | ac = 0; | |
2675 | XtSetArg (al[ac], XtNx, left); ac++; | |
2676 | XtSetArg (al[ac], XtNy, top); ac++; | |
2677 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2678 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2679 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2680 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 KH |
2681 | boxWidgetClass, |
2682 | frame->display.x->edit_widget, al, ac); | |
2683 | SET_SCROLL_BAR_X_WINDOW | |
3afe33e7 RS |
2684 | (bar, sb_widget->core.window); |
2685 | #endif | |
7246d1d3 | 2686 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
2687 | (bar, |
2688 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 2689 | |
ab648270 | 2690 | /* Position and size of scroll bar. */ |
12ba150f | 2691 | left, top, width, height, |
f451eb13 | 2692 | |
12ba150f JB |
2693 | /* Border width, depth, class, and visual. */ |
2694 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2695 | |
12ba150f JB |
2696 | /* Attributes. */ |
2697 | mask, &a)); | |
f451eb13 JB |
2698 | } |
2699 | ||
12ba150f JB |
2700 | XSET (bar->window, Lisp_Window, window); |
2701 | XSET (bar->top, Lisp_Int, top); | |
2702 | XSET (bar->left, Lisp_Int, left); | |
2703 | XSET (bar->width, Lisp_Int, width); | |
2704 | XSET (bar->height, Lisp_Int, height); | |
2705 | XSET (bar->start, Lisp_Int, 0); | |
2706 | XSET (bar->end, Lisp_Int, 0); | |
2707 | bar->dragging = Qnil; | |
f451eb13 JB |
2708 | |
2709 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 2710 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 2711 | bar->prev = Qnil; |
ab648270 | 2712 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 2713 | if (! NILP (bar->next)) |
ab648270 | 2714 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 2715 | |
ab648270 | 2716 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2717 | |
2718 | UNBLOCK_INPUT; | |
12ba150f JB |
2719 | |
2720 | return bar; | |
f451eb13 JB |
2721 | } |
2722 | ||
12ba150f JB |
2723 | /* Draw BAR's handle in the proper position. |
2724 | If the handle is already drawn from START to END, don't bother | |
2725 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2726 | redraw it. (REBUILD is handy for drawing the handle after expose | |
2727 | events.) | |
2728 | ||
2729 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2730 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2731 | handle, we want to let them drag it down all the way, so that the |
2732 | bar's top is as far down as it goes; otherwise, there's no way to | |
2733 | move to the very end of the buffer. */ | |
f451eb13 | 2734 | static void |
ab648270 JB |
2735 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2736 | struct scroll_bar *bar; | |
f451eb13 | 2737 | int start, end; |
12ba150f | 2738 | int rebuild; |
f451eb13 | 2739 | { |
12ba150f | 2740 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2741 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2742 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2743 | ||
2744 | /* If the display is already accurate, do nothing. */ | |
2745 | if (! rebuild | |
2746 | && start == XINT (bar->start) | |
2747 | && end == XINT (bar->end)) | |
2748 | return; | |
2749 | ||
f451eb13 JB |
2750 | BLOCK_INPUT; |
2751 | ||
2752 | { | |
ab648270 JB |
2753 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2754 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2755 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2756 | |
2757 | /* Make sure the values are reasonable, and try to preserve | |
2758 | the distance between start and end. */ | |
12ba150f JB |
2759 | { |
2760 | int length = end - start; | |
2761 | ||
2762 | if (start < 0) | |
2763 | start = 0; | |
2764 | else if (start > top_range) | |
2765 | start = top_range; | |
2766 | end = start + length; | |
2767 | ||
2768 | if (end < start) | |
2769 | end = start; | |
2770 | else if (end > top_range && ! dragging) | |
2771 | end = top_range; | |
2772 | } | |
f451eb13 | 2773 | |
ab648270 | 2774 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
2775 | XSET (bar->start, Lisp_Int, start); |
2776 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 2777 | |
12ba150f JB |
2778 | /* Clip the end position, just for display. */ |
2779 | if (end > top_range) | |
2780 | end = top_range; | |
f451eb13 | 2781 | |
ab648270 | 2782 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2783 | below top positions, to make sure the handle is always at least |
2784 | that many pixels tall. */ | |
ab648270 | 2785 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2786 | |
12ba150f JB |
2787 | /* Draw the empty space above the handle. Note that we can't clear |
2788 | zero-height areas; that means "clear to end of window." */ | |
2789 | if (0 < start) | |
2790 | XClearArea (x_current_display, w, | |
f451eb13 | 2791 | |
12ba150f | 2792 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2793 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2794 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2795 | inside_width, start, |
2796 | False); | |
f451eb13 | 2797 | |
12ba150f JB |
2798 | /* Draw the handle itself. */ |
2799 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2800 | |
12ba150f | 2801 | /* x, y, width, height */ |
ab648270 JB |
2802 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2803 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2804 | inside_width, end - start); |
f451eb13 | 2805 | |
f451eb13 | 2806 | |
12ba150f JB |
2807 | /* Draw the empty space below the handle. Note that we can't |
2808 | clear zero-height areas; that means "clear to end of window." */ | |
2809 | if (end < inside_height) | |
2810 | XClearArea (x_current_display, w, | |
f451eb13 | 2811 | |
12ba150f | 2812 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2813 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2814 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2815 | inside_width, inside_height - end, |
2816 | False); | |
f451eb13 | 2817 | |
f451eb13 JB |
2818 | } |
2819 | ||
f451eb13 JB |
2820 | UNBLOCK_INPUT; |
2821 | } | |
2822 | ||
eb8c3be9 | 2823 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2824 | window configurations. */ |
f451eb13 | 2825 | static void |
ab648270 JB |
2826 | x_scroll_bar_move (bar, top, left, width, height) |
2827 | struct scroll_bar *bar; | |
f451eb13 JB |
2828 | int top, left, width, height; |
2829 | { | |
2830 | BLOCK_INPUT; | |
2831 | ||
2832 | { | |
2833 | XWindowChanges wc; | |
2834 | unsigned int mask = 0; | |
2835 | ||
2836 | wc.x = left; | |
2837 | wc.y = top; | |
2838 | wc.width = width; | |
2839 | wc.height = height; | |
2840 | ||
12ba150f JB |
2841 | if (left != XINT (bar->left)) mask |= CWX; |
2842 | if (top != XINT (bar->top)) mask |= CWY; | |
2843 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2844 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2845 | ||
2846 | if (mask) | |
ab648270 | 2847 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2848 | mask, &wc); |
f451eb13 JB |
2849 | } |
2850 | ||
12ba150f JB |
2851 | XSET (bar->left, Lisp_Int, left); |
2852 | XSET (bar->top, Lisp_Int, top); | |
2853 | XSET (bar->width, Lisp_Int, width); | |
2854 | XSET (bar->height, Lisp_Int, height); | |
2855 | ||
f451eb13 JB |
2856 | UNBLOCK_INPUT; |
2857 | } | |
2858 | ||
ab648270 | 2859 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2860 | to nil. */ |
2861 | static void | |
ab648270 JB |
2862 | x_scroll_bar_remove (bar) |
2863 | struct scroll_bar *bar; | |
12ba150f JB |
2864 | { |
2865 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2866 | ||
2867 | BLOCK_INPUT; | |
2868 | ||
2869 | /* Destroy the window. */ | |
ab648270 | 2870 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2871 | |
ab648270 JB |
2872 | /* Disassociate this scroll bar from its window. */ |
2873 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2874 | |
2875 | UNBLOCK_INPUT; | |
2876 | } | |
2877 | ||
2878 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2879 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2880 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2881 | create one. */ |
2882 | static void | |
ab648270 | 2883 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2884 | struct window *window; |
2885 | int portion, whole, position; | |
2886 | { | |
2887 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2888 | int top = XINT (window->top); |
ab648270 JB |
2889 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2890 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2891 | |
ab648270 | 2892 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2893 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2894 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2895 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2896 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2897 | |
ab648270 | 2898 | struct scroll_bar *bar; |
12ba150f | 2899 | |
ab648270 JB |
2900 | /* Does the scroll bar exist yet? */ |
2901 | if (NILP (window->vertical_scroll_bar)) | |
2902 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2903 | pixel_top, pixel_left, |
2904 | pixel_width, pixel_height); | |
2905 | else | |
12ba150f JB |
2906 | { |
2907 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2908 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2909 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2910 | } |
f451eb13 | 2911 | |
ab648270 | 2912 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2913 | dragged. */ |
12ba150f | 2914 | if (NILP (bar->dragging)) |
f451eb13 | 2915 | { |
12ba150f | 2916 | int top_range = |
ab648270 | 2917 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2918 | |
12ba150f | 2919 | if (whole == 0) |
ab648270 | 2920 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2921 | else |
2922 | { | |
43f868f5 JB |
2923 | int start = ((double) position * top_range) / whole; |
2924 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2925 | |
ab648270 | 2926 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2927 | } |
f451eb13 JB |
2928 | } |
2929 | ||
ab648270 | 2930 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2931 | } |
2932 | ||
12ba150f | 2933 | |
f451eb13 | 2934 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2935 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2936 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2937 | away is a real pain - "Can you say set-window-configuration, boys |
2938 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2939 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2940 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2941 | |
ab648270 JB |
2942 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2943 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2944 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2945 | static void |
ab648270 | 2946 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2947 | FRAME_PTR frame; |
2948 | { | |
12ba150f JB |
2949 | /* The condemned list should be empty at this point; if it's not, |
2950 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2951 | protocol correctly. */ | |
ab648270 | 2952 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2953 | abort (); |
2954 | ||
2955 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2956 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2957 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2958 | } |
2959 | ||
ab648270 | 2960 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2961 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2962 | static void |
ab648270 | 2963 | XTredeem_scroll_bar (window) |
12ba150f | 2964 | struct window *window; |
f451eb13 | 2965 | { |
ab648270 | 2966 | struct scroll_bar *bar; |
12ba150f | 2967 | |
ab648270 JB |
2968 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2969 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2970 | abort (); |
2971 | ||
ab648270 | 2972 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2973 | |
2974 | /* Unlink it from the condemned list. */ | |
2975 | { | |
2976 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2977 | ||
2978 | if (NILP (bar->prev)) | |
2979 | { | |
2980 | /* If the prev pointer is nil, it must be the first in one of | |
2981 | the lists. */ | |
ab648270 | 2982 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2983 | /* It's not condemned. Everything's fine. */ |
2984 | return; | |
ab648270 JB |
2985 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2986 | window->vertical_scroll_bar)) | |
2987 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2988 | else |
2989 | /* If its prev pointer is nil, it must be at the front of | |
2990 | one or the other! */ | |
2991 | abort (); | |
2992 | } | |
2993 | else | |
ab648270 | 2994 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2995 | |
2996 | if (! NILP (bar->next)) | |
ab648270 | 2997 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2998 | |
ab648270 | 2999 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 3000 | bar->prev = Qnil; |
ab648270 | 3001 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 3002 | if (! NILP (bar->next)) |
ab648270 | 3003 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 3004 | } |
f451eb13 JB |
3005 | } |
3006 | ||
ab648270 JB |
3007 | /* Remove all scroll bars on FRAME that haven't been saved since the |
3008 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 3009 | static void |
ab648270 | 3010 | XTjudge_scroll_bars (f) |
12ba150f | 3011 | FRAME_PTR f; |
f451eb13 | 3012 | { |
12ba150f | 3013 | Lisp_Object bar, next; |
f451eb13 | 3014 | |
ab648270 | 3015 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
3016 | |
3017 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
3018 | more events on the hapless scroll bars. */ |
3019 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
3020 | |
3021 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 3022 | { |
ab648270 | 3023 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 3024 | |
ab648270 | 3025 | x_scroll_bar_remove (b); |
12ba150f JB |
3026 | |
3027 | next = b->next; | |
3028 | b->next = b->prev = Qnil; | |
f451eb13 | 3029 | } |
12ba150f | 3030 | |
ab648270 | 3031 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 3032 | and they should get garbage-collected. */ |
f451eb13 JB |
3033 | } |
3034 | ||
3035 | ||
ab648270 JB |
3036 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
3037 | ||
3038 | This may be called from a signal handler, so we have to ignore GC | |
3039 | mark bits. */ | |
f451eb13 | 3040 | static void |
ab648270 JB |
3041 | x_scroll_bar_expose (bar, event) |
3042 | struct scroll_bar *bar; | |
f451eb13 JB |
3043 | XEvent *event; |
3044 | { | |
ab648270 | 3045 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
3046 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
3047 | ||
f451eb13 JB |
3048 | BLOCK_INPUT; |
3049 | ||
ab648270 | 3050 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 3051 | |
ab648270 | 3052 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 3053 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
3054 | |
3055 | /* x, y, width, height */ | |
12ba150f | 3056 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 3057 | |
f451eb13 JB |
3058 | UNBLOCK_INPUT; |
3059 | } | |
3060 | ||
ab648270 JB |
3061 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
3062 | is set to something other than no_event, it is enqueued. | |
3063 | ||
3064 | This may be called from a signal handler, so we have to ignore GC | |
3065 | mark bits. */ | |
f451eb13 | 3066 | static void |
ab648270 JB |
3067 | x_scroll_bar_handle_click (bar, event, emacs_event) |
3068 | struct scroll_bar *bar; | |
f451eb13 JB |
3069 | XEvent *event; |
3070 | struct input_event *emacs_event; | |
3071 | { | |
ab648270 | 3072 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
3073 | abort (); |
3074 | ||
ab648270 | 3075 | emacs_event->kind = scroll_bar_click; |
69388238 | 3076 | emacs_event->code = event->xbutton.button - Button1; |
f451eb13 | 3077 | emacs_event->modifiers = |
dfeccd2d | 3078 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
3079 | | (event->type == ButtonRelease |
3080 | ? up_modifier | |
3081 | : down_modifier)); | |
12ba150f | 3082 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 3083 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
3084 | { |
3085 | int internal_height = | |
ab648270 | 3086 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 3087 | int top_range = |
ab648270 JB |
3088 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
3089 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
3090 | |
3091 | if (y < 0) y = 0; | |
3092 | if (y > top_range) y = top_range; | |
3093 | ||
3094 | if (y < XINT (bar->start)) | |
ab648270 JB |
3095 | emacs_event->part = scroll_bar_above_handle; |
3096 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3097 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 3098 | else |
ab648270 | 3099 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
3100 | |
3101 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
3102 | they want to drag it. Lisp code needs to be able to decide |
3103 | whether or not we're dragging. */ | |
929787e1 | 3104 | #if 0 |
12ba150f JB |
3105 | /* If the user has just clicked on the handle, record where they're |
3106 | holding it. */ | |
3107 | if (event->type == ButtonPress | |
ab648270 | 3108 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 3109 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 3110 | #endif |
12ba150f JB |
3111 | |
3112 | /* If the user has released the handle, set it to its final position. */ | |
3113 | if (event->type == ButtonRelease | |
3114 | && ! NILP (bar->dragging)) | |
3115 | { | |
3116 | int new_start = y - XINT (bar->dragging); | |
3117 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 3118 | |
ab648270 | 3119 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
3120 | bar->dragging = Qnil; |
3121 | } | |
f451eb13 | 3122 | |
5116f055 JB |
3123 | /* Same deal here as the other #if 0. */ |
3124 | #if 0 | |
eb8c3be9 | 3125 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 3126 | the handle. */ |
ab648270 | 3127 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
3128 | emacs_event->x = bar->start; |
3129 | else | |
3130 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
3131 | #else |
3132 | XSET (emacs_event->x, Lisp_Int, y); | |
3133 | #endif | |
f451eb13 | 3134 | |
12ba150f JB |
3135 | XSET (emacs_event->y, Lisp_Int, top_range); |
3136 | } | |
3137 | } | |
f451eb13 | 3138 | |
ab648270 JB |
3139 | /* Handle some mouse motion while someone is dragging the scroll bar. |
3140 | ||
3141 | This may be called from a signal handler, so we have to ignore GC | |
3142 | mark bits. */ | |
f451eb13 | 3143 | static void |
ab648270 JB |
3144 | x_scroll_bar_note_movement (bar, event) |
3145 | struct scroll_bar *bar; | |
f451eb13 JB |
3146 | XEvent *event; |
3147 | { | |
3148 | last_mouse_movement_time = event->xmotion.time; | |
3149 | ||
3150 | mouse_moved = 1; | |
ab648270 | 3151 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
3152 | |
3153 | /* If we're dragging the bar, display it. */ | |
ab648270 | 3154 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
3155 | { |
3156 | /* Where should the handle be now? */ | |
12ba150f | 3157 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 3158 | |
12ba150f | 3159 | if (new_start != XINT (bar->start)) |
f451eb13 | 3160 | { |
12ba150f | 3161 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 3162 | |
ab648270 | 3163 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
3164 | } |
3165 | } | |
3166 | ||
3167 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
3168 | moves and we can see *still* on the same position. */ | |
3169 | { | |
3170 | int dummy; | |
3171 | ||
3172 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
3173 | (Window *) &dummy, (Window *) &dummy, | |
3174 | &dummy, &dummy, &dummy, &dummy, | |
3175 | (unsigned int *) &dummy); | |
3176 | } | |
3177 | } | |
3178 | ||
12ba150f | 3179 | /* Return information to the user about the current position of the mouse |
ab648270 | 3180 | on the scroll bar. */ |
12ba150f | 3181 | static void |
ab648270 | 3182 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
3183 | FRAME_PTR *f; |
3184 | Lisp_Object *bar_window; | |
ab648270 | 3185 | enum scroll_bar_part *part; |
12ba150f JB |
3186 | Lisp_Object *x, *y; |
3187 | unsigned long *time; | |
3188 | { | |
ab648270 | 3189 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 3190 | int win_x, win_y; |
559cb2fb JB |
3191 | Window dummy_window; |
3192 | int dummy_coord; | |
3193 | unsigned int dummy_mask; | |
12ba150f | 3194 | |
cf7cb199 JB |
3195 | BLOCK_INPUT; |
3196 | ||
ab648270 | 3197 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 3198 | report that. */ |
559cb2fb JB |
3199 | if (! XQueryPointer (x_current_display, |
3200 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 3201 | |
559cb2fb JB |
3202 | /* Root, child, root x and root y. */ |
3203 | &dummy_window, &dummy_window, | |
3204 | &dummy_coord, &dummy_coord, | |
12ba150f | 3205 | |
559cb2fb JB |
3206 | /* Position relative to scroll bar. */ |
3207 | &win_x, &win_y, | |
12ba150f | 3208 | |
559cb2fb JB |
3209 | /* Mouse buttons and modifier keys. */ |
3210 | &dummy_mask)) | |
3211 | *f = 0; | |
3212 | else | |
3213 | { | |
3214 | int inside_height | |
3215 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
3216 | int top_range | |
3217 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
3218 | ||
3219 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
3220 | ||
3221 | if (! NILP (bar->dragging)) | |
3222 | win_y -= XINT (bar->dragging); | |
3223 | ||
3224 | if (win_y < 0) | |
3225 | win_y = 0; | |
3226 | if (win_y > top_range) | |
3227 | win_y = top_range; | |
3228 | ||
3229 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
3230 | *bar_window = bar->window; | |
3231 | ||
3232 | if (! NILP (bar->dragging)) | |
3233 | *part = scroll_bar_handle; | |
3234 | else if (win_y < XINT (bar->start)) | |
3235 | *part = scroll_bar_above_handle; | |
3236 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3237 | *part = scroll_bar_handle; | |
3238 | else | |
3239 | *part = scroll_bar_below_handle; | |
12ba150f | 3240 | |
559cb2fb JB |
3241 | XSET (*x, Lisp_Int, win_y); |
3242 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 3243 | |
559cb2fb JB |
3244 | mouse_moved = 0; |
3245 | last_mouse_scroll_bar = Qnil; | |
3246 | } | |
12ba150f | 3247 | |
559cb2fb | 3248 | *time = last_mouse_movement_time; |
cf7cb199 | 3249 | |
cf7cb199 | 3250 | UNBLOCK_INPUT; |
12ba150f JB |
3251 | } |
3252 | ||
f451eb13 | 3253 | |
dbc4e1c1 | 3254 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
3255 | background colors, and the scroll bars may need to be redrawn. |
3256 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
3257 | redraw them. */ |
3258 | ||
ab648270 | 3259 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
3260 | FRAME_PTR f; |
3261 | { | |
3262 | Lisp_Object bar; | |
3263 | ||
ab648270 | 3264 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 3265 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
3266 | bar = XSCROLL_BAR (bar)->next) |
3267 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
3268 | 0, 0, 0, 0, True); |
3269 | } | |
3270 | ||
3afe33e7 RS |
3271 | /* This processes Expose events from the menubar specific X event |
3272 | loop in menubar.c. This allows to redisplay the frame if necessary | |
3273 | when handling menubar or popup items. */ | |
3274 | ||
3275 | void | |
3276 | process_expose_from_menu (event) | |
3277 | XEvent event; | |
3278 | { | |
3279 | FRAME_PTR f; | |
3280 | ||
f94397b5 KH |
3281 | BLOCK_INPUT; |
3282 | ||
3afe33e7 RS |
3283 | f = x_window_to_frame (event.xexpose.window); |
3284 | if (f) | |
3285 | { | |
3286 | if (f->async_visible == 0) | |
3287 | { | |
3288 | f->async_visible = 1; | |
3289 | f->async_iconified = 0; | |
3290 | SET_FRAME_GARBAGED (f); | |
3291 | } | |
3292 | else | |
3293 | { | |
3294 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3295 | event.xexpose.x, event.xexpose.y, | |
3296 | event.xexpose.width, event.xexpose.height); | |
3297 | } | |
3298 | } | |
3299 | else | |
3300 | { | |
3301 | struct scroll_bar *bar | |
3302 | = x_window_to_scroll_bar (event.xexpose.window); | |
3303 | ||
3304 | if (bar) | |
3305 | x_scroll_bar_expose (bar, &event); | |
3306 | } | |
f94397b5 KH |
3307 | |
3308 | UNBLOCK_INPUT; | |
3afe33e7 | 3309 | } |
dbc4e1c1 | 3310 | |
f451eb13 JB |
3311 | \f |
3312 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3313 | |
dc6f92b8 JB |
3314 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3315 | but we have to put it out here, since static variables within functions | |
3316 | sometimes don't work. */ | |
3317 | static Time enter_timestamp; | |
3318 | ||
11edeb03 JB |
3319 | /* This holds the state XLookupString needs to implement dead keys |
3320 | and other tricks known as "compose processing". _X Window System_ | |
3321 | says that a portable program can't use this, but Stephen Gildea assures | |
3322 | me that letting the compiler initialize it to zeros will work okay. | |
3323 | ||
3324 | This must be defined outside of XTread_socket, for the same reasons | |
3325 | given for enter_timestamp, above. */ | |
3326 | static XComposeStatus compose_status; | |
3327 | ||
c047688c JA |
3328 | /* Communication with window managers. */ |
3329 | Atom Xatom_wm_protocols; | |
3330 | ||
3331 | /* Kinds of protocol things we may receive. */ | |
3332 | Atom Xatom_wm_take_focus; | |
3333 | Atom Xatom_wm_save_yourself; | |
3334 | Atom Xatom_wm_delete_window; | |
3335 | ||
3336 | /* Other WM communication */ | |
3337 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
3338 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
3339 | ||
d56a553a RS |
3340 | /* Window manager communication. */ |
3341 | Atom Xatom_wm_change_state; | |
3342 | ||
c2df547c RS |
3343 | /* EditRes protocol */ |
3344 | Atom Xatom_editres_name; | |
3345 | ||
10e6549c RS |
3346 | /* Record the last 100 characters stored |
3347 | to help debug the loss-of-chars-during-GC problem. */ | |
3348 | int temp_index; | |
3349 | short temp_buffer[100]; | |
3350 | ||
dc6f92b8 JB |
3351 | /* Read events coming from the X server. |
3352 | This routine is called by the SIGIO handler. | |
3353 | We return as soon as there are no more events to be read. | |
3354 | ||
3355 | Events representing keys are stored in buffer BUFP, | |
3356 | which can hold up to NUMCHARS characters. | |
3357 | We return the number of characters stored into the buffer, | |
3358 | thus pretending to be `read'. | |
3359 | ||
3360 | WAITP is nonzero if we should block until input arrives. | |
3361 | EXPECTED is nonzero if the caller knows input is available. */ | |
3362 | ||
7c5283e4 | 3363 | int |
dc6f92b8 JB |
3364 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3365 | register int sd; | |
3366 | register struct input_event *bufp; | |
3367 | register int numchars; | |
3368 | int waitp; | |
3369 | int expected; | |
3370 | { | |
3371 | int count = 0; | |
3372 | int nbytes = 0; | |
3373 | int mask; | |
3374 | int items_pending; /* How many items are in the X queue. */ | |
3375 | XEvent event; | |
f676886a | 3376 | struct frame *f; |
66f55a9d | 3377 | int event_found = 0; |
dc6f92b8 JB |
3378 | int prefix; |
3379 | Lisp_Object part; | |
3380 | ||
9ac0d9e0 | 3381 | if (interrupt_input_blocked) |
dc6f92b8 | 3382 | { |
9ac0d9e0 | 3383 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3384 | return -1; |
3385 | } | |
3386 | ||
9ac0d9e0 | 3387 | interrupt_input_pending = 0; |
dc6f92b8 JB |
3388 | BLOCK_INPUT; |
3389 | ||
3390 | if (numchars <= 0) | |
3391 | abort (); /* Don't think this happens. */ | |
3392 | ||
3393 | #ifdef FIOSNBIO | |
3394 | /* If available, Xlib uses FIOSNBIO to make the socket | |
3395 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3396 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3397 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
3398 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 3399 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
3400 | |
3401 | #ifndef SIGIO | |
3402 | #ifndef HAVE_SELECT | |
3403 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
3404 | { | |
3405 | extern int read_alarm_should_throw; | |
3406 | read_alarm_should_throw = 1; | |
3407 | XPeekEvent (XDISPLAY &event); | |
3408 | read_alarm_should_throw = 0; | |
3409 | } | |
c118dd06 JB |
3410 | #endif /* HAVE_SELECT */ |
3411 | #endif /* SIGIO */ | |
dc6f92b8 JB |
3412 | |
3413 | while (XStuffPending () != 0) | |
3414 | { | |
3415 | XNextEvent (XDISPLAY &event); | |
3416 | event_found = 1; | |
3417 | ||
3418 | switch (event.type) | |
3419 | { | |
3420 | #ifdef HAVE_X11 | |
c047688c JA |
3421 | case ClientMessage: |
3422 | { | |
3423 | if (event.xclient.message_type == Xatom_wm_protocols | |
3424 | && event.xclient.format == 32) | |
3425 | { | |
3426 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
3427 | { | |
3afe33e7 | 3428 | f = x_window_to_frame (event.xclient.window); |
0a178815 RS |
3429 | /* Since we set WM_TAKE_FOCUS, we must call |
3430 | XSetInputFocus explicitly. But not if f is null, | |
3431 | since that might be an event for a deleted frame. */ | |
f676886a | 3432 | if (f) |
5627c40e RS |
3433 | XSetInputFocus (event.xclient.display, |
3434 | event.xclient.window, | |
3435 | RevertToPointerRoot, | |
3436 | event.xclient.data.l[1]); | |
ab648270 | 3437 | /* Not certain about handling scroll bars here */ |
c047688c JA |
3438 | } |
3439 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
3440 | { | |
3441 | /* Save state modify the WM_COMMAND property to | |
3442 | something which can reinstate us. This notifies | |
3443 | the session manager, who's looking for such a | |
3444 | PropertyNotify. Can restart processing when | |
3445 | a keyboard or mouse event arrives. */ | |
3446 | if (numchars > 0) | |
3447 | { | |
0ab983c8 RS |
3448 | /* This is just so we only give real data once |
3449 | for a single Emacs process. */ | |
4846819e RS |
3450 | if (x_top_window_to_frame (event.xclient.window) |
3451 | == selected_frame) | |
0ab983c8 RS |
3452 | XSetCommand (x_current_display, |
3453 | event.xclient.window, | |
3454 | initial_argv, initial_argc); | |
3455 | else | |
3456 | XSetCommand (x_current_display, | |
3457 | event.xclient.window, | |
3458 | 0, 0); | |
c047688c JA |
3459 | } |
3460 | } | |
3461 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
3462 | { | |
82aebaf4 | 3463 | struct frame *f = x_any_window_to_frame (event.xclient.window); |
c047688c | 3464 | |
f676886a | 3465 | if (f) |
1fb20991 RS |
3466 | { |
3467 | if (numchars == 0) | |
3468 | abort (); | |
3469 | ||
3470 | bufp->kind = delete_window_event; | |
3471 | XSET (bufp->frame_or_window, Lisp_Frame, f); | |
3472 | bufp++; | |
3473 | ||
3474 | count += 1; | |
3475 | numchars -= 1; | |
3476 | } | |
c047688c JA |
3477 | } |
3478 | } | |
3479 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
3480 | { | |
3481 | } | |
3482 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
3483 | { | |
3484 | int new_x, new_y; | |
1fb20991 RS |
3485 | struct frame *f = x_window_to_frame (event.xclient.window); |
3486 | ||
4357eba7 JB |
3487 | new_x = event.xclient.data.s[0]; |
3488 | new_y = event.xclient.data.s[1]; | |
1fb20991 RS |
3489 | |
3490 | if (f) | |
3491 | { | |
3492 | f->display.x->left_pos = new_x; | |
3493 | f->display.x->top_pos = new_y; | |
3494 | } | |
c047688c | 3495 | } |
5627c40e | 3496 | #if defined (USE_X_TOOLKIT) && defined (HAVE_X11R5) |
c2df547c RS |
3497 | else if (event.xclient.message_type == Xatom_editres_name) |
3498 | { | |
3499 | struct frame *f = x_any_window_to_frame (event.xclient.window); | |
3500 | _XEditResCheckMessages (f->display.x->widget, NULL, &event, NULL); | |
3501 | } | |
5627c40e | 3502 | #endif /* USE_X_TOOLKIT and HAVE_X11R5 */ |
c047688c JA |
3503 | } |
3504 | break; | |
dc6f92b8 | 3505 | |
d56a553a | 3506 | case SelectionNotify: |
3afe33e7 | 3507 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3508 | if (! x_window_to_frame (event.xselection.requestor)) |
3afe33e7 | 3509 | goto OTHER; |
3afe33e7 | 3510 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3511 | x_handle_selection_notify (&event); |
d56a553a | 3512 | break; |
d56a553a | 3513 | |
dc6f92b8 | 3514 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3515 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3516 | if (! x_window_to_frame (event.xselectionclear.window)) |
3517 | goto OTHER; | |
3afe33e7 | 3518 | #endif /* USE_X_TOOLKIT */ |
b2bd9b6a | 3519 | { |
d56a553a RS |
3520 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; |
3521 | ||
3522 | if (numchars == 0) | |
3523 | abort (); | |
3524 | ||
3525 | bufp->kind = selection_clear_event; | |
3526 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3527 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3528 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3529 | bufp++; | |
3530 | ||
3531 | count += 1; | |
3532 | numchars -= 1; | |
3afe33e7 | 3533 | } |
dc6f92b8 JB |
3534 | break; |
3535 | ||
3536 | case SelectionRequest: /* Someone wants our selection. */ | |
3afe33e7 | 3537 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3538 | if (!x_window_to_frame (event.xselectionrequest.owner)) |
3539 | goto OTHER; | |
3afe33e7 | 3540 | #endif /* USE_X_TOOLKIT */ |
b2bd9b6a | 3541 | { |
d56a553a RS |
3542 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; |
3543 | ||
3544 | if (numchars == 0) | |
3545 | abort (); | |
3546 | ||
3547 | bufp->kind = selection_request_event; | |
3548 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3549 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3550 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3551 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3552 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3553 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3554 | bufp++; | |
3555 | ||
3556 | count += 1; | |
3557 | numchars -= 1; | |
3afe33e7 | 3558 | } |
dc6f92b8 JB |
3559 | break; |
3560 | ||
3561 | case PropertyNotify: | |
3afe33e7 | 3562 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3563 | if (!x_any_window_to_frame (event.xproperty.window)) |
3afe33e7 | 3564 | goto OTHER; |
3afe33e7 | 3565 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3566 | x_handle_property_notify (&event); |
dc6f92b8 JB |
3567 | break; |
3568 | ||
3bd330d4 | 3569 | case ReparentNotify: |
3a35ab44 | 3570 | f = x_top_window_to_frame (event.xreparent.window); |
3bd330d4 | 3571 | if (f) |
3a35ab44 RS |
3572 | { |
3573 | int x, y; | |
3574 | f->display.x->parent_desc = event.xreparent.parent; | |
3575 | x_real_positions (f, &x, &y); | |
3576 | f->display.x->left_pos = x; | |
3577 | f->display.x->top_pos = y; | |
3578 | } | |
3bd330d4 RS |
3579 | break; |
3580 | ||
dc6f92b8 | 3581 | case Expose: |
f676886a JB |
3582 | f = x_window_to_frame (event.xexpose.window); |
3583 | if (f) | |
dc6f92b8 | 3584 | { |
3a88c238 | 3585 | if (f->async_visible == 0) |
dc6f92b8 | 3586 | { |
3a88c238 JB |
3587 | f->async_visible = 1; |
3588 | f->async_iconified = 0; | |
f676886a | 3589 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
3590 | } |
3591 | else | |
b2bd9b6a RS |
3592 | dumprectangle (x_window_to_frame (event.xexpose.window), |
3593 | event.xexpose.x, event.xexpose.y, | |
3594 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
3595 | } |
3596 | else | |
3597 | { | |
ab648270 JB |
3598 | struct scroll_bar *bar |
3599 | = x_window_to_scroll_bar (event.xexpose.window); | |
3afe33e7 | 3600 | |
f451eb13 | 3601 | if (bar) |
3afe33e7 RS |
3602 | x_scroll_bar_expose (bar, &event); |
3603 | #ifdef USE_X_TOOLKIT | |
3604 | else | |
3605 | goto OTHER; | |
3606 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3607 | } |
3608 | break; | |
3609 | ||
3610 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
3611 | source area was obscured or not | |
3612 | available.*/ | |
f451eb13 JB |
3613 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
3614 | if (f) | |
3615 | { | |
3616 | dumprectangle (f, | |
3617 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3618 | event.xgraphicsexpose.width, | |
3619 | event.xgraphicsexpose.height); | |
f451eb13 | 3620 | } |
3afe33e7 RS |
3621 | #ifdef USE_X_TOOLKIT |
3622 | else | |
3623 | goto OTHER; | |
3624 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3625 | break; |
3626 | ||
3627 | case NoExpose: /* This occurs when an XCopyArea's | |
3628 | source area was completely | |
3629 | available */ | |
3630 | break; | |
c118dd06 | 3631 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3632 | case ExposeWindow: |
3633 | if (event.subwindow != 0) | |
3634 | break; /* duplicate event */ | |
f676886a JB |
3635 | f = x_window_to_frame (event.window); |
3636 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3637 | { |
f676886a | 3638 | refreshicon (f); |
3a88c238 | 3639 | f->async_iconified = 1; |
dc6f92b8 | 3640 | } |
c118dd06 | 3641 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3642 | { |
3643 | /* Say must check all windows' needs_exposure flags. */ | |
3644 | expose_all_windows = 1; | |
f676886a | 3645 | f->display.x->needs_exposure = 1; |
3a88c238 | 3646 | f->async_visible = 1; |
dc6f92b8 JB |
3647 | } |
3648 | break; | |
3649 | ||
3650 | case ExposeRegion: | |
3651 | if (event.subwindow != 0) | |
3652 | break; /* duplicate event */ | |
f676886a JB |
3653 | f = x_window_to_frame (event.window); |
3654 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3655 | { |
f676886a | 3656 | refreshicon (f); |
dc6f92b8 JB |
3657 | break; |
3658 | } | |
3659 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3660 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3661 | break; |
3662 | /* Put the event on the queue of rectangles to redraw. */ | |
3663 | if (enqueue_event (&event, &x_expose_queue)) | |
3664 | /* If it is full, we can't record the rectangle, | |
3665 | so redraw this entire window. */ | |
3666 | { | |
3667 | /* Say must check all windows' needs_exposure flags. */ | |
3668 | expose_all_windows = 1; | |
f676886a | 3669 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3670 | } |
3671 | break; | |
3672 | ||
3673 | case ExposeCopy: | |
3674 | /* This should happen only when we are expecting it, | |
3675 | in x_read_exposes. */ | |
3676 | abort (); | |
c118dd06 | 3677 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3678 | |
3679 | #ifdef HAVE_X11 | |
3680 | case UnmapNotify: | |
dc05a16b | 3681 | f = x_any_window_to_frame (event.xunmap.window); |
f451eb13 | 3682 | if (f) /* F may no longer exist if |
f676886a | 3683 | the frame was deleted. */ |
f451eb13 JB |
3684 | { |
3685 | /* While a frame is unmapped, display generation is | |
3686 | disabled; you don't want to spend time updating a | |
3687 | display that won't ever be seen. */ | |
3688 | f->async_visible = 0; | |
5627c40e RS |
3689 | /* We can't distinguish, from the event, whether the window |
3690 | has become iconified or invisible. So assume, if it | |
3691 | was previously visible, than now it is iconified. | |
3692 | We depend on x_make_frame_invisible to mark it iconified. */ | |
9319ae23 RS |
3693 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
3694 | f->async_iconified = 1; | |
f451eb13 | 3695 | } |
3afe33e7 RS |
3696 | #ifdef USE_X_TOOLKIT |
3697 | goto OTHER; | |
3698 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3699 | break; |
3700 | ||
3701 | case MapNotify: | |
b2bd9b6a RS |
3702 | /* We use x_top_window_to_frame because map events can come |
3703 | for subwindows and they don't mean that the frame is visible. */ | |
5627c40e | 3704 | f = x_top_window_to_frame (event.xmap.window); |
f676886a | 3705 | if (f) |
dc6f92b8 | 3706 | { |
3a88c238 JB |
3707 | f->async_visible = 1; |
3708 | f->async_iconified = 0; | |
dc6f92b8 JB |
3709 | |
3710 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
3711 | the frame's display structures. */ |
3712 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 | 3713 | } |
3afe33e7 RS |
3714 | #ifdef USE_X_TOOLKIT |
3715 | goto OTHER; | |
3716 | #endif /* USE_X_TOOLKIT */ | |
b2bd9b6a | 3717 | break; |
dc6f92b8 JB |
3718 | |
3719 | /* Turn off processing if we become fully obscured. */ | |
3720 | case VisibilityNotify: | |
3721 | break; | |
3722 | ||
c118dd06 | 3723 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3724 | case UnmapWindow: |
f676886a JB |
3725 | f = x_window_to_frame (event.window); |
3726 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 3727 | f->async_iconified = 0; |
c118dd06 | 3728 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 3729 | f->async_visible = 0; |
dc6f92b8 | 3730 | break; |
c118dd06 | 3731 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3732 | |
3733 | #ifdef HAVE_X11 | |
3734 | case KeyPress: | |
1dea5a83 | 3735 | f = x_any_window_to_frame (event.xkey.window); |
f451eb13 | 3736 | |
f676886a | 3737 | if (f != 0) |
dc6f92b8 | 3738 | { |
2d368234 | 3739 | KeySym keysym, orig_keysym; |
bf6d8fb9 RS |
3740 | /* al%imercury@uunet.uu.net says that making this 81 instead of |
3741 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3742 | unsigned char copy_buffer[81]; | |
64bb1782 RS |
3743 | int modifiers; |
3744 | ||
dfeccd2d JB |
3745 | event.xkey.state |
3746 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 3747 | modifiers = event.xkey.state; |
3a2712f9 | 3748 | |
11edeb03 | 3749 | /* This will have to go some day... */ |
752a043f JB |
3750 | |
3751 | /* make_lispy_event turns chars into control chars. | |
3752 | Don't do it here because XLookupString is too eager. */ | |
3753 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
3754 | nbytes = |
3755 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
3756 | &compose_status); | |
dc6f92b8 | 3757 | |
2d368234 | 3758 | orig_keysym = keysym; |
55123275 | 3759 | |
dc6f92b8 JB |
3760 | if (numchars > 1) |
3761 | { | |
64a07219 JB |
3762 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) |
3763 | || keysym == XK_Delete | |
3764 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3765 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3766 | #ifdef HPUX |
64a07219 JB |
3767 | /* This recognizes the "extended function keys". |
3768 | It seems there's no cleaner way. | |
3769 | Test IsModifierKey to avoid handling mode_switch | |
3770 | incorrectly. */ | |
3771 | || ((unsigned) (keysym) >= XK_Select | |
3772 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3773 | #endif |
3774 | #ifdef XK_dead_circumflex | |
3775 | || orig_keysym == XK_dead_circumflex | |
3776 | #endif | |
3777 | #ifdef XK_dead_grave | |
3778 | || orig_keysym == XK_dead_grave | |
3779 | #endif | |
3780 | #ifdef XK_dead_tilde | |
3781 | || orig_keysym == XK_dead_tilde | |
3782 | #endif | |
3783 | #ifdef XK_dead_diaeresis | |
3784 | || orig_keysym == XK_dead_diaeresis | |
3785 | #endif | |
3786 | #ifdef XK_dead_macron | |
3787 | || orig_keysym == XK_dead_macron | |
3788 | #endif | |
3789 | #ifdef XK_dead_degree | |
3790 | || orig_keysym == XK_dead_degree | |
3791 | #endif | |
3792 | #ifdef XK_dead_acute | |
3793 | || orig_keysym == XK_dead_acute | |
3794 | #endif | |
3795 | #ifdef XK_dead_cedilla | |
3796 | || orig_keysym == XK_dead_cedilla | |
3797 | #endif | |
3798 | #ifdef XK_dead_breve | |
3799 | || orig_keysym == XK_dead_breve | |
3800 | #endif | |
3801 | #ifdef XK_dead_ogonek | |
3802 | || orig_keysym == XK_dead_ogonek | |
3803 | #endif | |
3804 | #ifdef XK_dead_caron | |
3805 | || orig_keysym == XK_dead_caron | |
3806 | #endif | |
3807 | #ifdef XK_dead_doubleacute | |
3808 | || orig_keysym == XK_dead_doubleacute | |
3809 | #endif | |
3810 | #ifdef XK_dead_abovedot | |
3811 | || orig_keysym == XK_dead_abovedot | |
c34790e0 | 3812 | #endif |
64a07219 JB |
3813 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3814 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
05f6617d RS |
3815 | /* Any "vendor-specific" key is ok. */ |
3816 | || (orig_keysym & (1 << 28))) | |
7719aa06 RS |
3817 | && ! (IsModifierKey (orig_keysym) |
3818 | #ifndef HAVE_X11R5 | |
3819 | #ifdef XK_Mode_switch | |
3820 | || ((unsigned)(orig_keysym) == XK_Mode_switch) | |
3821 | #endif | |
3822 | #ifdef XK_Num_Lock | |
3823 | || ((unsigned)(orig_keysym) == XK_Num_Lock) | |
3824 | #endif | |
3825 | #endif /* not HAVE_X11R5 */ | |
3826 | )) | |
dc6f92b8 | 3827 | { |
10e6549c RS |
3828 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3829 | temp_index = 0; | |
3830 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 3831 | bufp->kind = non_ascii_keystroke; |
69388238 | 3832 | bufp->code = keysym; |
12ba150f | 3833 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3834 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3835 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3836 | bufp++; |
3837 | count++; | |
3838 | numchars--; | |
3839 | } | |
3840 | else if (numchars > nbytes) | |
3841 | { | |
3842 | register int i; | |
3843 | ||
10e6549c | 3844 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 3845 | { |
10e6549c RS |
3846 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3847 | temp_index = 0; | |
3848 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 3849 | bufp->kind = ascii_keystroke; |
69388238 | 3850 | bufp->code = copy_buffer[i]; |
12ba150f | 3851 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3852 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3853 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3854 | bufp++; |
3855 | } | |
dc6f92b8 JB |
3856 | |
3857 | count += nbytes; | |
3858 | numchars -= nbytes; | |
3859 | } | |
10e6549c RS |
3860 | else |
3861 | abort (); | |
dc6f92b8 | 3862 | } |
10e6549c RS |
3863 | else |
3864 | abort (); | |
dc6f92b8 JB |
3865 | } |
3866 | break; | |
c118dd06 | 3867 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3868 | case KeyPressed: |
3869 | { | |
3870 | register char *where_mapping; | |
3871 | ||
f676886a | 3872 | f = x_window_to_frame (event.window); |
dc6f92b8 | 3873 | /* Ignore keys typed on icon windows. */ |
f676886a | 3874 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
3875 | break; |
3876 | where_mapping = XLookupMapping (&event, &nbytes); | |
3877 | /* Nasty fix for arrow keys */ | |
3878 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
3879 | { | |
3880 | switch (event.detail & 0xff) | |
3881 | { | |
3882 | case KC_CURSOR_LEFT: | |
3883 | where_mapping = "\002"; | |
3884 | break; | |
3885 | case KC_CURSOR_RIGHT: | |
3886 | where_mapping = "\006"; | |
3887 | break; | |
3888 | case KC_CURSOR_UP: | |
3889 | where_mapping = "\020"; | |
3890 | break; | |
3891 | case KC_CURSOR_DOWN: | |
3892 | where_mapping = "\016"; | |
3893 | break; | |
3894 | } | |
3895 | nbytes = 1; | |
3896 | } | |
3897 | if (numchars - nbytes > 0) | |
3898 | { | |
3899 | register int i; | |
3900 | ||
3901 | for (i = 0; i < nbytes; i++) | |
3902 | { | |
3903 | bufp->kind = ascii_keystroke; | |
69388238 | 3904 | bufp->code = where_mapping[i]; |
90e65f07 | 3905 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 3906 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
3907 | bufp++; |
3908 | } | |
3909 | count += nbytes; | |
3910 | numchars -= nbytes; | |
3911 | } | |
3912 | } | |
3913 | break; | |
c118dd06 | 3914 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3915 | |
3916 | #ifdef HAVE_X11 | |
f451eb13 JB |
3917 | |
3918 | /* Here's a possible interpretation of the whole | |
3919 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3920 | FocusIn event, you have to get a FocusOut event before you | |
3921 | relinquish the focus. If you haven't received a FocusIn event, | |
3922 | then a mere LeaveNotify is enough to free you. */ | |
3923 | ||
dc6f92b8 | 3924 | case EnterNotify: |
1dea5a83 | 3925 | f = x_any_window_to_frame (event.xcrossing.window); |
6d4238f3 | 3926 | |
f451eb13 | 3927 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3928 | { |
dc6f92b8 | 3929 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
3930 | if (f && (!(f->auto_raise) |
3931 | || !(f->auto_lower) | |
dc6f92b8 JB |
3932 | || (event.xcrossing.time - enter_timestamp) > 500)) |
3933 | { | |
f676886a | 3934 | x_new_focus_frame (f); |
dc6f92b8 JB |
3935 | enter_timestamp = event.xcrossing.time; |
3936 | } | |
dc6f92b8 | 3937 | } |
f676886a JB |
3938 | else if (f == x_focus_frame) |
3939 | x_new_focus_frame (0); | |
da893f1f RS |
3940 | /* EnterNotify counts as mouse movement, |
3941 | so update things that depend on mouse position. */ | |
3942 | if (f) | |
3943 | note_mouse_movement (f, &event.xmotion); | |
3afe33e7 RS |
3944 | #ifdef USE_X_TOOLKIT |
3945 | goto OTHER; | |
3946 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3947 | break; |
3948 | ||
3949 | case FocusIn: | |
1dea5a83 | 3950 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3951 | if (event.xfocus.detail != NotifyPointer) |
3952 | x_focus_event_frame = f; | |
f676886a JB |
3953 | if (f) |
3954 | x_new_focus_frame (f); | |
3afe33e7 RS |
3955 | #ifdef USE_X_TOOLKIT |
3956 | goto OTHER; | |
3957 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3958 | break; |
3959 | ||
f451eb13 | 3960 | |
dc6f92b8 | 3961 | case LeaveNotify: |
10c5e63d KH |
3962 | f = x_top_window_to_frame (event.xcrossing.window); |
3963 | if (f) | |
f451eb13 | 3964 | { |
10c5e63d KH |
3965 | if (f == mouse_face_mouse_frame) |
3966 | /* If we move outside the frame, | |
3967 | then we're certainly no longer on any text in the frame. */ | |
3968 | clear_mouse_face (); | |
3969 | ||
3970 | if (event.xcrossing.focus) | |
3971 | { | |
3972 | if (! x_focus_event_frame) | |
3973 | x_new_focus_frame (0); | |
3974 | else | |
3975 | x_new_focus_frame (f); | |
3976 | } | |
3977 | else | |
3978 | { | |
3979 | if (f == x_focus_event_frame) | |
3980 | x_focus_event_frame = 0; | |
3981 | if (f == x_focus_frame) | |
3982 | x_new_focus_frame (0); | |
3983 | } | |
dc6f92b8 | 3984 | } |
3afe33e7 RS |
3985 | #ifdef USE_X_TOOLKIT |
3986 | goto OTHER; | |
3987 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3988 | break; |
3989 | ||
3990 | case FocusOut: | |
1dea5a83 | 3991 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3992 | if (event.xfocus.detail != NotifyPointer |
3993 | && f == x_focus_event_frame) | |
3994 | x_focus_event_frame = 0; | |
f676886a JB |
3995 | if (f && f == x_focus_frame) |
3996 | x_new_focus_frame (0); | |
3afe33e7 RS |
3997 | #ifdef USE_X_TOOLKIT |
3998 | goto OTHER; | |
3999 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4000 | break; |
4001 | ||
c118dd06 | 4002 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4003 | |
4004 | case EnterWindow: | |
4005 | if ((event.detail & 0xFF) == 1) | |
4006 | break; /* Coming from our own subwindow */ | |
4007 | if (event.subwindow != 0) | |
4008 | break; /* Entering our own subwindow. */ | |
4009 | ||
4010 | { | |
f676886a JB |
4011 | f = x_window_to_frame (event.window); |
4012 | x_mouse_frame = f; | |
dc6f92b8 | 4013 | |
f676886a | 4014 | x_new_focus_frame (f); |
dc6f92b8 JB |
4015 | } |
4016 | break; | |
4017 | ||
4018 | case LeaveWindow: | |
4019 | if ((event.detail & 0xFF) == 1) | |
4020 | break; /* Entering our own subwindow */ | |
4021 | if (event.subwindow != 0) | |
4022 | break; /* Leaving our own subwindow. */ | |
4023 | ||
f676886a JB |
4024 | x_mouse_frame = 0; |
4025 | if (x_focus_frame == 0 | |
4026 | && x_input_frame != 0 | |
4027 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 4028 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 4029 | { |
f676886a JB |
4030 | f = x_input_frame; |
4031 | x_input_frame = 0; | |
4032 | if (f) | |
4033 | frame_unhighlight (f); | |
dc6f92b8 JB |
4034 | } |
4035 | break; | |
c118dd06 | 4036 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4037 | |
4038 | #ifdef HAVE_X11 | |
4039 | case MotionNotify: | |
4040 | { | |
06ef4a3f | 4041 | if (x_mouse_grabbed && FRAME_LIVE_P (last_mouse_frame)) |
69388238 RS |
4042 | f = last_mouse_frame; |
4043 | else | |
4044 | f = x_window_to_frame (event.xmotion.window); | |
f676886a | 4045 | if (f) |
12ba150f | 4046 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 4047 | else |
dc6f92b8 | 4048 | { |
69388238 RS |
4049 | struct scroll_bar *bar |
4050 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
4051 | |
4052 | if (bar) | |
ab648270 | 4053 | x_scroll_bar_note_movement (bar, &event); |
b8009dd1 RS |
4054 | |
4055 | /* If we move outside the frame, | |
4056 | then we're certainly no longer on any text in the frame. */ | |
4057 | clear_mouse_face (); | |
dc6f92b8 | 4058 | } |
dc6f92b8 | 4059 | } |
0a178815 RS |
4060 | #if 0 /* This should be unnecessary, since the toolkit has no use |
4061 | for motion events that happen outside of the menu event loop, | |
4062 | and it seems to cause the bug that mouse events stop coming | |
4063 | after a while. */ | |
3afe33e7 RS |
4064 | #ifdef USE_X_TOOLKIT |
4065 | goto OTHER; | |
4066 | #endif /* USE_X_TOOLKIT */ | |
0a178815 | 4067 | #endif |
dc6f92b8 JB |
4068 | break; |
4069 | ||
4070 | case ConfigureNotify: | |
13ce2d73 | 4071 | f = x_any_window_to_frame (event.xconfigure.window); |
3afe33e7 | 4072 | #ifdef USE_X_TOOLKIT |
13ce2d73 | 4073 | if (f |
3a35ab44 | 4074 | #if 0 |
13ce2d73 | 4075 | && ! event.xconfigure.send_event |
3a35ab44 | 4076 | #endif |
13ce2d73 FP |
4077 | && (event.xconfigure.window == XtWindow (f->display.x->widget))) |
4078 | { | |
4079 | Window win, child; | |
4080 | int win_x, win_y; | |
4081 | ||
4082 | /* Find the position of the outside upper-left corner of | |
4083 | the window, in the root coordinate system. Don't | |
4084 | refer to the parent window here; we may be processing | |
4085 | this event after the window manager has changed our | |
4086 | parent, but before we have reached the ReparentNotify. */ | |
4087 | XTranslateCoordinates (x_current_display, | |
4088 | ||
4089 | /* From-window, to-window. */ | |
4090 | XtWindow (f->display.x->widget), | |
4091 | ROOT_WINDOW, | |
4092 | ||
4093 | /* From-position, to-position. */ | |
4094 | -event.xconfigure.border_width, | |
4095 | -event.xconfigure.border_width, | |
4096 | &win_x, &win_y, | |
4097 | ||
4098 | /* Child of win. */ | |
4099 | &child); | |
4100 | event.xconfigure.x = win_x; | |
4101 | event.xconfigure.y = win_y; | |
4102 | ||
4103 | f->display.x->pixel_width = event.xconfigure.width; | |
4104 | f->display.x->pixel_height = event.xconfigure.height; | |
4105 | f->display.x->left_pos = event.xconfigure.x; | |
4106 | f->display.x->top_pos = event.xconfigure.y; | |
3a35ab44 RS |
4107 | |
4108 | /* What we have now is the position of Emacs's own window. | |
4109 | Convert that to the position of the window manager window. */ | |
4110 | { | |
4111 | int x, y; | |
4112 | x_real_positions (f, &x, &y); | |
4113 | f->display.x->left_pos = x; | |
4114 | f->display.x->top_pos = y; | |
4115 | } | |
13ce2d73 FP |
4116 | } |
4117 | goto OTHER; | |
3afe33e7 | 4118 | #else /* not USE_X_TOOLKIT */ |
dbc4e1c1 JB |
4119 | if (f) |
4120 | { | |
4121 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
4122 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
4123 | ||
4124 | /* Even if the number of character rows and columns has | |
4125 | not changed, the font size may have changed, so we need | |
4126 | to check the pixel dimensions as well. */ | |
4127 | if (columns != f->width | |
4128 | || rows != f->height | |
4129 | || event.xconfigure.width != f->display.x->pixel_width | |
4130 | || event.xconfigure.height != f->display.x->pixel_height) | |
4131 | { | |
4132 | change_frame_size (f, rows, columns, 0, 1); | |
4133 | SET_FRAME_GARBAGED (f); | |
4134 | } | |
dc6f92b8 | 4135 | |
3bd330d4 | 4136 | if (! event.xconfigure.send_event) |
af395ec1 RS |
4137 | { |
4138 | Window win, child; | |
4139 | int win_x, win_y; | |
4140 | ||
6cc35d86 JB |
4141 | /* Find the position of the outside upper-left corner of |
4142 | the window, in the root coordinate system. Don't | |
4143 | refer to the parent window here; we may be processing | |
4144 | this event after the window manager has changed our | |
4145 | parent, but before we have reached the ReparentNotify. */ | |
af395ec1 RS |
4146 | XTranslateCoordinates (x_current_display, |
4147 | ||
4148 | /* From-window, to-window. */ | |
6cc35d86 | 4149 | f->display.x->window_desc, |
3bd330d4 | 4150 | ROOT_WINDOW, |
af395ec1 RS |
4151 | |
4152 | /* From-position, to-position. */ | |
6cc35d86 JB |
4153 | -event.xconfigure.border_width, |
4154 | -event.xconfigure.border_width, | |
af395ec1 RS |
4155 | &win_x, &win_y, |
4156 | ||
4157 | /* Child of win. */ | |
4158 | &child); | |
4159 | event.xconfigure.x = win_x; | |
4160 | event.xconfigure.y = win_y; | |
4161 | } | |
4162 | ||
dbc4e1c1 JB |
4163 | f->display.x->pixel_width = event.xconfigure.width; |
4164 | f->display.x->pixel_height = event.xconfigure.height; | |
4165 | f->display.x->left_pos = event.xconfigure.x; | |
4166 | f->display.x->top_pos = event.xconfigure.y; | |
3a35ab44 RS |
4167 | |
4168 | /* What we have now is the position of Emacs's own window. | |
4169 | Convert that to the position of the window manager window. */ | |
4170 | { | |
4171 | int x, y; | |
4172 | x_real_positions (f, &x, &y); | |
4173 | f->display.x->left_pos = x; | |
4174 | f->display.x->top_pos = y; | |
fd13dbb2 RS |
4175 | if (y != event.xconfigure.y) |
4176 | { | |
4177 | /* Since the WM decorations come below top_pos now, | |
4178 | we must put them below top_pos in the future. */ | |
4179 | f->display.x->win_gravity = NorthWestGravity; | |
4180 | x_wm_set_size_hint (f, 0, 0); | |
4181 | } | |
3a35ab44 | 4182 | } |
dbc4e1c1 | 4183 | } |
3afe33e7 | 4184 | #endif /* not USE_X_TOOLKIT */ |
dbc4e1c1 | 4185 | break; |
dc6f92b8 JB |
4186 | |
4187 | case ButtonPress: | |
4188 | case ButtonRelease: | |
4189 | { | |
4190 | /* If we decide we want to generate an event to be seen | |
4191 | by the rest of Emacs, we put it here. */ | |
4192 | struct input_event emacs_event; | |
4193 | emacs_event.kind = no_event; | |
4194 | ||
9b07615b RS |
4195 | bzero (&compose_status, sizeof (compose_status)); |
4196 | ||
f676886a JB |
4197 | f = x_window_to_frame (event.xbutton.window); |
4198 | if (f) | |
f451eb13 JB |
4199 | { |
4200 | if (!x_focus_frame || (f == x_focus_frame)) | |
69388238 | 4201 | construct_mouse_click (&emacs_event, &event, f); |
f451eb13 | 4202 | } |
dc6f92b8 | 4203 | else |
f451eb13 | 4204 | { |
ab648270 JB |
4205 | struct scroll_bar *bar = |
4206 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
4207 | |
4208 | if (bar) | |
ab648270 | 4209 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
3afe33e7 RS |
4210 | #ifdef USE_X_TOOLKIT |
4211 | else | |
4212 | { | |
4213 | f = x_any_window_to_frame (event.xbutton.window); | |
4214 | if (f && event.type == ButtonPress) | |
4215 | construct_menu_click (&emacs_event, | |
4216 | &event, f); | |
4217 | } | |
4218 | #endif /* USE_X_TOOLKIT */ | |
f451eb13 | 4219 | } |
dc6f92b8 JB |
4220 | |
4221 | if (numchars >= 1 && emacs_event.kind != no_event) | |
4222 | { | |
4223 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
4224 | bufp++; | |
4225 | count++; | |
4226 | numchars--; | |
4227 | } | |
3afe33e7 RS |
4228 | |
4229 | #ifdef USE_X_TOOLKIT | |
4230 | goto OTHER; | |
4231 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4232 | } |
4233 | break; | |
4234 | ||
c118dd06 | 4235 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4236 | case ButtonPressed: |
4237 | case ButtonReleased: | |
f676886a JB |
4238 | f = x_window_to_frame (event.window); |
4239 | if (f) | |
dc6f92b8 | 4240 | { |
f676886a | 4241 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 4242 | { |
f676886a | 4243 | x_make_frame_visible (f); |
dc6f92b8 JB |
4244 | |
4245 | if (warp_mouse_on_deiconify) | |
c118dd06 | 4246 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
4247 | break; |
4248 | } | |
c118dd06 | 4249 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 4250 | { |
f676886a JB |
4251 | if (f->auto_raise) |
4252 | x_raise_frame (f); | |
dc6f92b8 JB |
4253 | } |
4254 | } | |
4255 | enqueue_event (&event, &x_mouse_queue); | |
4256 | if (numchars >= 2) | |
4257 | { | |
4258 | bufp->kind = ascii_keystroke; | |
69388238 | 4259 | bufp->code = 'X' & 037; /* C-x */ |
12ba150f | 4260 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 4261 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
4262 | bufp++; |
4263 | ||
4264 | bufp->kind = ascii_keystroke; | |
69388238 | 4265 | bufp->code = 0; /* C-@ */ |
12ba150f | 4266 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 4267 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
4268 | bufp++; |
4269 | ||
4270 | count += 2; | |
4271 | numchars -= 2; | |
4272 | } | |
4273 | break; | |
c118dd06 | 4274 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4275 | |
4276 | #ifdef HAVE_X11 | |
4277 | ||
4278 | case CirculateNotify: | |
4279 | break; | |
4280 | case CirculateRequest: | |
4281 | break; | |
4282 | ||
c118dd06 | 4283 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4284 | |
4285 | case MappingNotify: | |
11edeb03 JB |
4286 | /* Someone has changed the keyboard mapping - update the |
4287 | local cache. */ | |
4288 | switch (event.xmapping.request) | |
4289 | { | |
4290 | case MappingModifier: | |
4291 | x_find_modifier_meanings (); | |
4292 | /* This is meant to fall through. */ | |
4293 | case MappingKeyboard: | |
4294 | XRefreshKeyboardMapping (&event.xmapping); | |
4295 | } | |
3afe33e7 RS |
4296 | #ifdef USE_X_TOOLKIT |
4297 | goto OTHER; | |
4298 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4299 | break; |
4300 | ||
4301 | default: | |
3afe33e7 RS |
4302 | #ifdef USE_X_TOOLKIT |
4303 | OTHER: | |
4304 | BLOCK_INPUT; | |
4305 | XtDispatchEvent (&event); | |
4306 | UNBLOCK_INPUT; | |
4307 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4308 | break; |
4309 | } | |
4310 | } | |
4311 | ||
502add23 RS |
4312 | #ifdef X_IO_BUG |
4313 | if (! event_found) | |
4314 | /* On some systems, an X bug causes Emacs to get no more events | |
7071e5dd | 4315 | when the window is destroyed. Detect that. (1994.) */ |
502add23 RS |
4316 | XNoOp (x_current_display); |
4317 | #endif /* X_IO_BUG */ | |
4318 | ||
7071e5dd RS |
4319 | #if 0 /* This fails for serial-line connections to the X server, |
4320 | because the characters arrive one by one, and a partial | |
4321 | command makes select return but gives nothing to read. | |
4322 | We'll have to hope that the bug that this tried to fix | |
4323 | in 1988 has been fixed in Xlib or the X server. */ | |
dc6f92b8 JB |
4324 | #ifdef HAVE_SELECT |
4325 | if (expected && ! event_found) | |
4326 | { | |
4327 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
4328 | there is an EOF condition; in other words, that X has died. | |
4329 | Act as if there had been a hangup. */ | |
dc6f92b8 | 4330 | int fd = ConnectionNumber (x_current_display); |
307feb1f | 4331 | SELECT_TYPE mask, junk1, junk2; |
66f55a9d | 4332 | EMACS_TIME timeout; |
dc6f92b8 | 4333 | |
61c3ce62 RS |
4334 | FD_ZERO (&mask); |
4335 | FD_SET (fd, &mask); | |
66f55a9d | 4336 | EMACS_SET_SECS_USECS (timeout, 0, 0); |
307feb1f RS |
4337 | FD_ZERO (&junk1); |
4338 | FD_ZERO (&junk2); | |
4339 | if (0 != select (fd + 1, &mask, &junk1, &junk2, &timeout) | |
dc6f92b8 JB |
4340 | && !XStuffPending ()) |
4341 | kill (getpid (), SIGHUP); | |
4342 | } | |
61c3ce62 | 4343 | #endif /* HAVE_SELECT */ |
7071e5dd | 4344 | #endif /* 0 */ |
dc6f92b8 | 4345 | |
f451eb13 | 4346 | #ifndef HAVE_X11 |
f676886a | 4347 | if (updating_frame == 0) |
dc6f92b8 | 4348 | x_do_pending_expose (); |
f451eb13 | 4349 | #endif |
dc6f92b8 | 4350 | |
0134a210 RS |
4351 | /* If the focus was just given to an autoraising frame, |
4352 | raise it now. */ | |
4353 | #ifdef HAVE_X11 | |
4354 | if (pending_autoraise_frame) | |
4355 | { | |
4356 | x_raise_frame (pending_autoraise_frame); | |
4357 | pending_autoraise_frame = 0; | |
4358 | } | |
4359 | #endif | |
4360 | ||
dc6f92b8 JB |
4361 | UNBLOCK_INPUT; |
4362 | return count; | |
4363 | } | |
4364 | ||
4365 | #ifndef HAVE_X11 | |
4366 | /* Read and process only Expose events | |
4367 | until we get an ExposeCopy event; then return. | |
4368 | This is used in insert/delete line. | |
4369 | We assume input is already blocked. */ | |
4370 | ||
4371 | static void | |
4372 | x_read_exposes () | |
4373 | { | |
f676886a | 4374 | struct frame *f; |
dc6f92b8 JB |
4375 | XKeyPressedEvent event; |
4376 | ||
4377 | while (1) | |
4378 | { | |
4379 | /* while there are more events*/ | |
4380 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
4381 | switch (event.type) | |
4382 | { | |
4383 | case ExposeWindow: | |
4384 | if (event.subwindow != 0) | |
4385 | break; /* duplicate event */ | |
f676886a JB |
4386 | f = x_window_to_frame (event.window); |
4387 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 4388 | { |
f676886a | 4389 | refreshicon (f); |
dc6f92b8 JB |
4390 | break; |
4391 | } | |
c118dd06 | 4392 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
4393 | { |
4394 | expose_all_windows = 1; | |
f676886a | 4395 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
4396 | break; |
4397 | } | |
4398 | break; | |
4399 | ||
4400 | case ExposeRegion: | |
4401 | if (event.subwindow != 0) | |
4402 | break; /* duplicate event */ | |
f676886a JB |
4403 | f = x_window_to_frame (event.window); |
4404 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 4405 | { |
f676886a | 4406 | refreshicon (f); |
dc6f92b8 JB |
4407 | break; |
4408 | } | |
4409 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 4410 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
4411 | break; |
4412 | /* Put the event on the queue of rectangles to redraw. */ | |
4413 | if (enqueue_event (&event, &x_expose_queue)) | |
4414 | /* If it is full, we can't record the rectangle, | |
4415 | so redraw this entire window. */ | |
4416 | { | |
4417 | /* Say must check all windows' needs_exposure flags. */ | |
4418 | expose_all_windows = 1; | |
f676886a | 4419 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
4420 | } |
4421 | break; | |
4422 | ||
4423 | case ExposeCopy: | |
4424 | return; | |
4425 | } | |
4426 | } | |
4427 | } | |
4428 | #endif /* HAVE_X11 */ | |
4429 | ||
dc6f92b8 | 4430 | \f |
f451eb13 JB |
4431 | /* Drawing the cursor. */ |
4432 | ||
4433 | ||
dc6f92b8 JB |
4434 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
4435 | ||
4436 | static void | |
f676886a JB |
4437 | x_draw_box (f) |
4438 | struct frame *f; | |
dc6f92b8 | 4439 | { |
12ba150f JB |
4440 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
4441 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a | 4442 | int width = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 4443 | int height = f->display.x->line_height; |
dc6f92b8 JB |
4444 | |
4445 | #ifdef HAVE_X11 | |
c118dd06 | 4446 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4447 | f->display.x->cursor_gc, |
dc6f92b8 | 4448 | left, top, width - 1, height - 1); |
c118dd06 JB |
4449 | #else /* ! defined (HAVE_X11) */ |
4450 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 4451 | left, top, width, 1, |
f676886a | 4452 | f->display.x->cursor_pixel); |
dc6f92b8 | 4453 | |
c118dd06 | 4454 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4455 | left, top, 1, height, |
f676886a | 4456 | f->display.x->cursor_pixel); |
dc6f92b8 | 4457 | |
c118dd06 | 4458 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4459 | left+width-1, top, 1, height, |
f676886a | 4460 | f->display.x->cursor_pixel); |
dc6f92b8 | 4461 | |
c118dd06 | 4462 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4463 | left, top+height-1, width, 1, |
f676886a | 4464 | f->display.x->cursor_pixel); |
c118dd06 | 4465 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4466 | } |
4467 | ||
f676886a | 4468 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4469 | and mark the cursor as not shown. |
4470 | This is used when the text where the cursor is | |
4471 | is about to be rewritten. */ | |
4472 | ||
4473 | static void | |
f676886a JB |
4474 | clear_cursor (f) |
4475 | struct frame *f; | |
dc6f92b8 JB |
4476 | { |
4477 | int mask; | |
4478 | ||
f451eb13 | 4479 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4480 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4481 | return; |
4482 | ||
4483 | #ifdef HAVE_X11 | |
f676886a | 4484 | x_display_cursor (f, 0); |
c118dd06 JB |
4485 | #else /* ! defined (HAVE_X11) */ |
4486 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
4487 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4488 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
a27f9f86 | 4489 | FONT_WIDTH (f->display.x->font), f->display.x->line_height, |
f676886a | 4490 | f->display.x->background_pixel); |
c118dd06 | 4491 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 4492 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4493 | } |
4494 | ||
f676886a | 4495 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4496 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4497 | glyph drawn. */ | |
dc6f92b8 JB |
4498 | |
4499 | static void | |
f676886a JB |
4500 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4501 | struct frame *f; | |
dc6f92b8 | 4502 | int row, column; |
90e65f07 | 4503 | GLYPH glyph; |
dc6f92b8 JB |
4504 | int highlight; |
4505 | { | |
f676886a | 4506 | dumpglyphs (f, |
12ba150f JB |
4507 | CHAR_TO_PIXEL_COL (f, column), |
4508 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4509 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4510 | } |
4511 | ||
dc6f92b8 | 4512 | static void |
dbc4e1c1 | 4513 | x_display_bar_cursor (f, on) |
f676886a | 4514 | struct frame *f; |
dc6f92b8 JB |
4515 | int on; |
4516 | { | |
f676886a | 4517 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4518 | |
49d838ea JB |
4519 | /* This is pointless on invisible frames, and dangerous on garbaged |
4520 | frames; in the latter case, the frame may be in the midst of | |
4521 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4522 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
4523 | return; |
4524 | ||
4525 | if (! on && f->phys_cursor_x < 0) | |
4526 | return; | |
4527 | ||
f676886a | 4528 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 4529 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 4530 | if (f != updating_frame) |
1113d9db | 4531 | { |
f676886a JB |
4532 | curs_x = FRAME_CURSOR_X (f); |
4533 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
4534 | } |
4535 | ||
dbc4e1c1 JB |
4536 | /* If there is anything wrong with the current cursor state, remove it. */ |
4537 | if (f->phys_cursor_x >= 0 | |
4538 | && (!on | |
4539 | || f->phys_cursor_x != curs_x | |
4540 | || f->phys_cursor_y != curs_y | |
4541 | || f->display.x->current_cursor != bar_cursor)) | |
4542 | { | |
4543 | /* Erase the cursor by redrawing the character underneath it. */ | |
4544 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4545 | f->phys_cursor_glyph, | |
4546 | current_glyphs->highlight[f->phys_cursor_y]); | |
4547 | f->phys_cursor_x = -1; | |
4548 | } | |
4549 | ||
4550 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4551 | if (on | |
4552 | && (f->phys_cursor_x < 0 | |
4553 | || (f->display.x->current_cursor != bar_cursor))) | |
4554 | { | |
4555 | f->phys_cursor_glyph | |
4556 | = ((current_glyphs->enable[curs_y] | |
4557 | && curs_x < current_glyphs->used[curs_y]) | |
4558 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4559 | : SPACEGLYPH); | |
4560 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
4561 | f->display.x->cursor_gc, | |
4562 | CHAR_TO_PIXEL_COL (f, curs_x), | |
4563 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
a27f9f86 | 4564 | 1, f->display.x->line_height); |
dbc4e1c1 JB |
4565 | |
4566 | f->phys_cursor_x = curs_x; | |
4567 | f->phys_cursor_y = curs_y; | |
4568 | ||
4569 | f->display.x->current_cursor = bar_cursor; | |
4570 | } | |
4571 | ||
4572 | if (updating_frame != f) | |
4573 | XFlushQueue (); | |
4574 | } | |
4575 | ||
4576 | ||
4577 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4578 | If ON is nonzero, where to put the cursor is specified | |
4579 | by F->cursor_x and F->cursor_y. */ | |
4580 | ||
4581 | static void | |
4582 | x_display_box_cursor (f, on) | |
4583 | struct frame *f; | |
4584 | int on; | |
4585 | { | |
4586 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4587 | ||
49d838ea JB |
4588 | /* This is pointless on invisible frames, and dangerous on garbaged |
4589 | frames; in the latter case, the frame may be in the midst of | |
4590 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4591 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
4592 | return; |
4593 | ||
4594 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4595 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4596 | return; |
4597 | ||
dbc4e1c1 JB |
4598 | /* If we're not updating, then we want to use the current frame's |
4599 | cursor position, not our local idea of where the cursor ought to be. */ | |
4600 | if (f != updating_frame) | |
4601 | { | |
4602 | curs_x = FRAME_CURSOR_X (f); | |
4603 | curs_y = FRAME_CURSOR_Y (f); | |
4604 | } | |
4605 | ||
dc6f92b8 JB |
4606 | /* If cursor is currently being shown and we don't want it to be |
4607 | or it is in the wrong place, | |
4608 | or we want a hollow box and it's not so, (pout!) | |
4609 | erase it. */ | |
f676886a | 4610 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4611 | && (!on |
f676886a JB |
4612 | || f->phys_cursor_x != curs_x |
4613 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 4614 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 4615 | && (f != x_highlight_frame)))) |
dc6f92b8 | 4616 | { |
79cf7456 RS |
4617 | int mouse_face_here = 0; |
4618 | ||
4619 | /* If the cursor is in the mouse face area, redisplay that when | |
4620 | we clear the cursor. */ | |
4621 | if (f == mouse_face_mouse_frame | |
4622 | && | |
4623 | (f->phys_cursor_y > mouse_face_beg_row | |
4624 | || (f->phys_cursor_y == mouse_face_beg_row | |
4625 | && f->phys_cursor_x >= mouse_face_beg_col)) | |
4626 | && | |
4627 | (f->phys_cursor_y < mouse_face_end_row | |
4628 | || (f->phys_cursor_y == mouse_face_end_row | |
4629 | && f->phys_cursor_x < mouse_face_end_col))) | |
4630 | mouse_face_here = 1; | |
4631 | ||
0cdd0c9f RS |
4632 | /* If the font is not as tall as a whole line, |
4633 | we must explicitly clear the line's whole height. */ | |
4634 | if (FONT_HEIGHT (f->display.x->font) != f->display.x->line_height) | |
4635 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
4636 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), | |
4637 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
4638 | FONT_WIDTH (f->display.x->font), | |
4639 | f->display.x->line_height, False); | |
dc6f92b8 | 4640 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4641 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4642 | f->phys_cursor_glyph, | |
79cf7456 RS |
4643 | (mouse_face_here |
4644 | ? 3 | |
4645 | : current_glyphs->highlight[f->phys_cursor_y])); | |
f676886a | 4646 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4647 | } |
4648 | ||
4649 | /* If we want to show a cursor, | |
4650 | or we want a box cursor and it's not so, | |
4651 | write it in the right place. */ | |
4652 | if (on | |
f676886a | 4653 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 4654 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 4655 | && f == x_highlight_frame))) |
dc6f92b8 | 4656 | { |
f676886a | 4657 | f->phys_cursor_glyph |
1113d9db JB |
4658 | = ((current_glyphs->enable[curs_y] |
4659 | && curs_x < current_glyphs->used[curs_y]) | |
4660 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 4661 | : SPACEGLYPH); |
f676886a | 4662 | if (f != x_highlight_frame) |
dc6f92b8 | 4663 | { |
f676886a | 4664 | x_draw_box (f); |
dbc4e1c1 | 4665 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4666 | } |
4667 | else | |
4668 | { | |
f676886a JB |
4669 | x_draw_single_glyph (f, curs_y, curs_x, |
4670 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 4671 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4672 | } |
4673 | ||
f676886a JB |
4674 | f->phys_cursor_x = curs_x; |
4675 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
4676 | } |
4677 | ||
f676886a | 4678 | if (updating_frame != f) |
dc6f92b8 JB |
4679 | XFlushQueue (); |
4680 | } | |
4681 | ||
f676886a JB |
4682 | x_display_cursor (f, on) |
4683 | struct frame *f; | |
dc6f92b8 JB |
4684 | int on; |
4685 | { | |
f94397b5 KH |
4686 | BLOCK_INPUT; |
4687 | ||
dbc4e1c1 | 4688 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 4689 | x_display_box_cursor (f, on); |
dbc4e1c1 | 4690 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 4691 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
4692 | else |
4693 | /* Those are the only two we have implemented! */ | |
4694 | abort (); | |
f94397b5 KH |
4695 | |
4696 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4697 | } |
4698 | \f | |
4699 | /* Icons. */ | |
4700 | ||
f676886a | 4701 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4702 | when we get an expose event for it. */ |
4703 | ||
f676886a JB |
4704 | refreshicon (f) |
4705 | struct frame *f; | |
dc6f92b8 JB |
4706 | { |
4707 | #ifdef HAVE_X11 | |
4708 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 4709 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4710 | int mask; |
4711 | ||
f676886a JB |
4712 | if (f->display.x->icon_bitmap_flag) |
4713 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
4714 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
4715 | icon_bitmap, GXcopy, AllPlanes); | |
4716 | else | |
4717 | { | |
f676886a | 4718 | extern struct frame *selected_frame; |
dc6f92b8 JB |
4719 | struct Lisp_String *str; |
4720 | unsigned char *string; | |
4721 | ||
4722 | string | |
f676886a | 4723 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 4724 | |
f676886a | 4725 | if (f->display.x->icon_label != string) |
dc6f92b8 | 4726 | { |
f676886a JB |
4727 | f->display.x->icon_label = string; |
4728 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
4729 | XQueryWidth (string, icon_font_info->id) + 10, |
4730 | icon_font_info->height + 10); | |
4731 | } | |
4732 | ||
f676886a | 4733 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
4734 | str->size, icon_font_info->id, |
4735 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
4736 | } | |
4737 | XFlushQueue (); | |
c118dd06 | 4738 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4739 | } |
4740 | ||
dbc4e1c1 | 4741 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4742 | |
4743 | int | |
f676886a JB |
4744 | x_bitmap_icon (f) |
4745 | struct frame *f; | |
dc6f92b8 JB |
4746 | { |
4747 | int mask; | |
4748 | Window icon_window; | |
4749 | ||
c118dd06 | 4750 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4751 | return 1; |
4752 | ||
4753 | #ifdef HAVE_X11 | |
8583db58 RS |
4754 | if (! icon_bitmap) |
4755 | icon_bitmap = | |
4756 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), | |
4757 | gnu_bits, gnu_width, gnu_height); | |
f676886a JB |
4758 | x_wm_set_icon_pixmap (f, icon_bitmap); |
4759 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 4760 | #else /* ! defined (HAVE_X11) */ |
f676886a | 4761 | if (f->display.x->icon_desc) |
dc6f92b8 | 4762 | { |
c118dd06 | 4763 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 4764 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
4765 | } |
4766 | ||
f676886a | 4767 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
4768 | 0, 0, sink_width, sink_height, |
4769 | 2, WhitePixmap, (Pixmap) NULL); | |
4770 | ||
4771 | if (icon_window == 0) | |
4772 | return 1; | |
4773 | ||
c118dd06 | 4774 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4775 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
4776 | ||
f676886a JB |
4777 | f->display.x->icon_desc = icon_window; |
4778 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
4779 | |
4780 | if (icon_bitmap == 0) | |
4781 | icon_bitmap | |
4782 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 4783 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4784 | |
4785 | return 0; | |
4786 | } | |
4787 | ||
4788 | ||
f676886a | 4789 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
4790 | |
4791 | int | |
f676886a JB |
4792 | x_text_icon (f, icon_name) |
4793 | struct frame *f; | |
dc6f92b8 JB |
4794 | char *icon_name; |
4795 | { | |
4796 | #ifndef HAVE_X11 | |
4797 | int mask; | |
4798 | int width; | |
4799 | Window icon_window; | |
4800 | char *X_DefaultValue; | |
4801 | Bitmap b1; | |
4802 | ||
dc6f92b8 JB |
4803 | #ifndef WhitePixel |
4804 | #define WhitePixel 1 | |
c118dd06 | 4805 | #endif /* WhitePixel */ |
dc6f92b8 JB |
4806 | |
4807 | #ifndef BlackPixel | |
4808 | #define BlackPixel 0 | |
c118dd06 JB |
4809 | #endif /* BlackPixel */ |
4810 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 4811 | |
c118dd06 | 4812 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4813 | return 1; |
4814 | ||
dc6f92b8 JB |
4815 | #ifdef HAVE_X11 |
4816 | if (icon_name) | |
f676886a | 4817 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 4818 | else |
f676886a JB |
4819 | if (! f->display.x->icon_label) |
4820 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 4821 | |
dfeccd2d | 4822 | #if 0 |
c118dd06 | 4823 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4824 | (char *) f->display.x->icon_label); |
dfeccd2d | 4825 | #endif |
dc6f92b8 | 4826 | |
f676886a | 4827 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 4828 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 4829 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
4830 | if (icon_font_info == 0) |
4831 | icon_font_info | |
4832 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 4833 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
4834 | "BodyFont")); |
4835 | ||
f676886a | 4836 | if (f->display.x->icon_desc) |
dc6f92b8 | 4837 | { |
c118dd06 | 4838 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 4839 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
4840 | } |
4841 | ||
4842 | if (icon_name) | |
f676886a | 4843 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 4844 | else |
f676886a JB |
4845 | if (! f->display.x->icon_label) |
4846 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 4847 | |
f676886a JB |
4848 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
4849 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
4850 | f->display.x->left_pos, | |
4851 | f->display.x->top_pos, | |
dc6f92b8 JB |
4852 | width + 10, icon_font_info->height + 10, |
4853 | 2, BlackPixmap, WhitePixmap); | |
4854 | ||
4855 | if (icon_window == 0) | |
4856 | return 1; | |
4857 | ||
c118dd06 | 4858 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4859 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
4860 | ||
f676886a JB |
4861 | f->display.x->icon_desc = icon_window; |
4862 | f->display.x->icon_bitmap_flag = 0; | |
4863 | f->display.x->icon_label = 0; | |
c118dd06 | 4864 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4865 | |
4866 | return 0; | |
4867 | } | |
4868 | \f | |
4746118a JB |
4869 | /* Handling X errors. */ |
4870 | ||
12ba150f JB |
4871 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
4872 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 4873 | |
4746118a | 4874 | static SIGTYPE |
c118dd06 | 4875 | x_connection_closed () |
4746118a JB |
4876 | { |
4877 | if (_Xdebug) | |
4878 | abort (); | |
12ba150f | 4879 | |
1cd2d6d4 | 4880 | shut_down_emacs (0, 1, Qnil); |
12ba150f JB |
4881 | |
4882 | exit (70); | |
4746118a JB |
4883 | } |
4884 | ||
8922af5f JB |
4885 | /* An X error handler which prints an error message and then kills |
4886 | Emacs. This is what's normally installed as Xlib's handler for | |
4887 | protocol errors. */ | |
c118dd06 JB |
4888 | static int |
4889 | x_error_quitter (display, error) | |
4890 | Display *display; | |
4891 | XErrorEvent *error; | |
4892 | { | |
4893 | char buf[256]; | |
dc6f92b8 | 4894 | |
c118dd06 JB |
4895 | /* Note that there is no real way portable across R3/R4 to get the |
4896 | original error handler. */ | |
dc6f92b8 | 4897 | |
c118dd06 JB |
4898 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
4899 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
4900 | buf, error->request_code); | |
dc6f92b8 | 4901 | |
e09f9351 | 4902 | #if 0 |
12ba150f JB |
4903 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4904 | get an X error, so we can figure out why it happened. */ | |
4905 | abort (); | |
e09f9351 | 4906 | #endif |
12ba150f | 4907 | |
c118dd06 | 4908 | x_connection_closed (); |
dc6f92b8 JB |
4909 | } |
4910 | ||
8922af5f JB |
4911 | /* A handler for X IO errors which prints an error message and then |
4912 | kills Emacs. This is what is always installed as Xlib's handler | |
4913 | for I/O errors. */ | |
4914 | static int | |
4915 | x_io_error_quitter (display) | |
4916 | Display *display; | |
4917 | { | |
4918 | fprintf (stderr, "Connection to X server %s lost.\n", | |
4919 | XDisplayName (DisplayString (display))); | |
4920 | ||
e09f9351 | 4921 | #if 0 |
8922af5f JB |
4922 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4923 | get an X error, so we can figure out why it happened. */ | |
4924 | abort (); | |
e09f9351 | 4925 | #endif |
8922af5f JB |
4926 | |
4927 | x_connection_closed (); | |
4928 | } | |
4929 | ||
c118dd06 | 4930 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4931 | static char *x_caught_error_message; |
4932 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4933 | |
4934 | /* An X error handler which stores the error message in | |
4935 | x_caught_error_message. This is what's installed when | |
4936 | x_catch_errors is in effect. */ | |
4937 | static int | |
4938 | x_error_catcher (display, error) | |
4939 | Display *display; | |
4940 | XErrorEvent *error; | |
4941 | { | |
4942 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4943 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4944 | } |
4945 | ||
4946 | ||
4947 | /* Begin trapping X errors. | |
dc6f92b8 | 4948 | |
c118dd06 JB |
4949 | After calling this function, X protocol errors no longer cause |
4950 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4951 | |
c118dd06 JB |
4952 | Calling x_check_errors signals an Emacs error if an X error has |
4953 | occurred since the last call to x_catch_errors or x_check_errors. | |
4954 | ||
4955 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4956 | ||
bc20ebbf | 4957 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4958 | |
4959 | void | |
4960 | x_catch_errors () | |
dc6f92b8 | 4961 | { |
c118dd06 JB |
4962 | /* Make sure any errors from previous requests have been dealt with. */ |
4963 | XSync (x_current_display, False); | |
dc6f92b8 | 4964 | |
c118dd06 | 4965 | /* Set up the error buffer. */ |
60f9aad3 | 4966 | x_caught_error_message |
cef13e55 RS |
4967 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4968 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4969 | |
c118dd06 JB |
4970 | /* Install our little error handler. */ |
4971 | XHandleError (x_error_catcher); | |
4972 | } | |
16bd92ea | 4973 | |
c118dd06 JB |
4974 | /* If any X protocol errors have arrived since the last call to |
4975 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4976 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4977 | |
c118dd06 JB |
4978 | void |
4979 | x_check_errors (format) | |
4980 | char *format; | |
4981 | { | |
4982 | /* Make sure to catch any errors incurred so far. */ | |
4983 | XSync (x_current_display, False); | |
16bd92ea | 4984 | |
cef13e55 | 4985 | if (x_caught_error_message[0]) |
c118dd06 | 4986 | { |
cef13e55 | 4987 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4988 | |
cef13e55 | 4989 | sprintf (buf, format, x_caught_error_message); |
c118dd06 JB |
4990 | x_uncatch_errors (); |
4991 | error (buf); | |
4992 | } | |
4993 | } | |
4994 | ||
b849c413 RS |
4995 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4996 | ||
4997 | int | |
4998 | x_had_errors_p () | |
4999 | { | |
5000 | /* Make sure to catch any errors incurred so far. */ | |
5001 | XSync (x_current_display, False); | |
5002 | ||
5003 | return x_caught_error_message[0] != 0; | |
5004 | } | |
5005 | ||
812361a1 RS |
5006 | /* Stop catching X protocol errors and let them make Emacs die. */ |
5007 | ||
c118dd06 JB |
5008 | void |
5009 | x_uncatch_errors () | |
5010 | { | |
9ac0d9e0 | 5011 | xfree (x_caught_error_message); |
cef13e55 | 5012 | x_caught_error_message = 0; |
c118dd06 | 5013 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
5014 | } |
5015 | ||
dc6f92b8 JB |
5016 | #if 0 |
5017 | static unsigned int x_wire_count; | |
5018 | x_trace_wire () | |
5019 | { | |
5020 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
5021 | } | |
c118dd06 | 5022 | #endif /* ! 0 */ |
dc6f92b8 JB |
5023 | |
5024 | \f | |
f451eb13 JB |
5025 | /* Changing the font of the frame. */ |
5026 | ||
f676886a | 5027 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 5028 | to the font named NEWNAME. This is safe to use |
f676886a | 5029 | even before F has an actual x-window. */ |
dc6f92b8 JB |
5030 | |
5031 | #ifdef HAVE_X11 | |
5032 | ||
2224a5fc RS |
5033 | struct font_info |
5034 | { | |
5035 | XFontStruct *font; | |
5036 | char *name; | |
5037 | }; | |
5038 | ||
dc6f92b8 | 5039 | /* A table of all the fonts we have already loaded. */ |
2224a5fc | 5040 | static struct font_info *x_font_table; |
dc6f92b8 JB |
5041 | |
5042 | /* The current capacity of x_font_table. */ | |
5043 | static int x_font_table_size; | |
5044 | ||
5045 | /* The number of fonts actually stored in x_font_table. | |
5046 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
5047 | 0 <= n_fonts <= x_font_table_size. */ | |
5048 | static int n_fonts; | |
5049 | ||
b5cf7a0e | 5050 | Lisp_Object |
f676886a JB |
5051 | x_new_font (f, fontname) |
5052 | struct frame *f; | |
dc6f92b8 JB |
5053 | register char *fontname; |
5054 | { | |
dc6f92b8 JB |
5055 | int already_loaded; |
5056 | int n_matching_fonts; | |
5057 | XFontStruct *font_info; | |
5058 | char **font_names; | |
5059 | ||
5060 | /* Get a list of all the fonts that match this name. Once we | |
5061 | have a list of matching fonts, we compare them against the fonts | |
5062 | we already have by comparing font ids. */ | |
2224a5fc RS |
5063 | font_names = (char **) XListFonts (x_current_display, fontname, |
5064 | 1024, &n_matching_fonts); | |
0c94f6ee JB |
5065 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
5066 | find any matches; font_names == 0 is the only clue. */ | |
5067 | if (! font_names) | |
5068 | n_matching_fonts = 0; | |
5069 | ||
5835f860 RS |
5070 | /* Don't just give up if n_matching_fonts is 0. |
5071 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
5072 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 5073 | |
90e65f07 | 5074 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
5075 | already_loaded = -1; |
5076 | if (n_matching_fonts != 0) | |
5077 | { | |
5078 | int i, j; | |
dc6f92b8 | 5079 | |
5835f860 RS |
5080 | for (i = 0; i < n_fonts; i++) |
5081 | for (j = 0; j < n_matching_fonts; j++) | |
2224a5fc | 5082 | if (!strcmp (x_font_table[i].name, font_names[j])) |
5835f860 RS |
5083 | { |
5084 | already_loaded = i; | |
5085 | fontname = font_names[j]; | |
5086 | goto found_font; | |
5087 | } | |
5088 | } | |
dc6f92b8 JB |
5089 | found_font: |
5090 | ||
5091 | /* If we have, just return it from the table. */ | |
2224a5fc RS |
5092 | if (already_loaded >= 0) |
5093 | f->display.x->font = x_font_table[already_loaded].font; | |
90e65f07 | 5094 | |
dc6f92b8 JB |
5095 | /* Otherwise, load the font and add it to the table. */ |
5096 | else | |
5097 | { | |
9696f58b | 5098 | int i; |
dc6f92b8 JB |
5099 | XFontStruct *font; |
5100 | ||
9696f58b | 5101 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
5102 | #if 0 |
5103 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
5104 | for (i = 0; i < n_matching_fonts; i++) |
5105 | if (! font_info[i].per_char) | |
5106 | break; | |
f126bd67 JB |
5107 | #else |
5108 | i = 0; | |
5109 | #endif | |
9696f58b | 5110 | |
5835f860 RS |
5111 | /* See comment above. */ |
5112 | if (n_matching_fonts != 0) | |
9696f58b JB |
5113 | fontname = font_names[i]; |
5114 | ||
dc6f92b8 JB |
5115 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
5116 | if (! font) | |
5835f860 | 5117 | { |
2224a5fc | 5118 | /* Free the information from XListFonts. */ |
5835f860 | 5119 | if (n_matching_fonts) |
2224a5fc | 5120 | XFreeFontNames (font_names); |
5835f860 RS |
5121 | return Qnil; |
5122 | } | |
dc6f92b8 JB |
5123 | |
5124 | /* Do we need to create the table? */ | |
5125 | if (x_font_table_size == 0) | |
5126 | { | |
5127 | x_font_table_size = 16; | |
5128 | x_font_table | |
2224a5fc RS |
5129 | = (struct font_info *) xmalloc (x_font_table_size |
5130 | * sizeof (x_font_table[0])); | |
dc6f92b8 JB |
5131 | } |
5132 | /* Do we need to grow the table? */ | |
5133 | else if (n_fonts >= x_font_table_size) | |
5134 | { | |
90e65f07 | 5135 | x_font_table_size *= 2; |
dc6f92b8 | 5136 | x_font_table |
2224a5fc RS |
5137 | = (struct font_info *) xrealloc (x_font_table, |
5138 | (x_font_table_size | |
5139 | * sizeof (x_font_table[0]))); | |
dc6f92b8 JB |
5140 | } |
5141 | ||
dff815ef | 5142 | x_font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); |
2224a5fc RS |
5143 | bcopy (fontname, x_font_table[n_fonts].name, strlen (fontname) + 1); |
5144 | f->display.x->font = x_font_table[n_fonts++].font = font; | |
dc6f92b8 | 5145 | } |
2224a5fc | 5146 | |
f676886a | 5147 | /* Now make the frame display the given font. */ |
c118dd06 | 5148 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 5149 | { |
f676886a JB |
5150 | XSetFont (x_current_display, f->display.x->normal_gc, |
5151 | f->display.x->font->fid); | |
5152 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
5153 | f->display.x->font->fid); | |
5154 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
5155 | f->display.x->font->fid); | |
5156 | ||
a27f9f86 | 5157 | frame_update_line_height (f); |
0134a210 | 5158 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 5159 | } |
a27f9f86 RS |
5160 | else |
5161 | /* If we are setting a new frame's font for the first time, | |
5162 | there are no faces yet, so this font's height is the line height. */ | |
0cdd0c9f | 5163 | f->display.x->line_height = FONT_HEIGHT (f->display.x->font); |
dc6f92b8 | 5164 | |
b5cf7a0e | 5165 | { |
abdda982 | 5166 | Lisp_Object lispy_name; |
b5cf7a0e | 5167 | |
abdda982 | 5168 | lispy_name = build_string (fontname); |
b5cf7a0e | 5169 | |
2224a5fc | 5170 | /* Free the information from XListFonts. The data |
b5cf7a0e | 5171 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 5172 | XFreeFontNames (font_names); |
b5cf7a0e JB |
5173 | |
5174 | return lispy_name; | |
5175 | } | |
dc6f92b8 | 5176 | } |
c118dd06 | 5177 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
5178 | x_new_font (f, newname) |
5179 | struct frame *f; | |
dc6f92b8 JB |
5180 | register char *newname; |
5181 | { | |
5182 | FONT_TYPE *temp; | |
5183 | int mask; | |
5184 | ||
5185 | temp = XGetFont (newname); | |
5186 | if (temp == (FONT_TYPE *) 0) | |
5187 | return 1; | |
5188 | ||
f676886a JB |
5189 | if (f->display.x->font) |
5190 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 5191 | |
f676886a | 5192 | f->display.x->font = temp; |
dc6f92b8 | 5193 | |
c118dd06 | 5194 | if (FRAME_X_WINDOW (f) != 0) |
bc20ebbf | 5195 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 JB |
5196 | |
5197 | return 0; | |
5198 | } | |
c118dd06 | 5199 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5200 | \f |
43bca5d5 | 5201 | x_calc_absolute_position (f) |
f676886a | 5202 | struct frame *f; |
dc6f92b8 JB |
5203 | { |
5204 | #ifdef HAVE_X11 | |
6dba1858 RS |
5205 | Window win, child; |
5206 | int win_x = 0, win_y = 0; | |
43bca5d5 | 5207 | int flags = f->display.x->size_hint_flags; |
6dba1858 RS |
5208 | |
5209 | /* Find the position of the outside upper-left corner of | |
5210 | the inner window, with respect to the outer window. */ | |
5211 | if (f->display.x->parent_desc != ROOT_WINDOW) | |
5212 | { | |
5213 | BLOCK_INPUT; | |
5214 | XTranslateCoordinates (x_current_display, | |
5215 | ||
5216 | /* From-window, to-window. */ | |
5217 | f->display.x->window_desc, | |
5218 | f->display.x->parent_desc, | |
5219 | ||
5220 | /* From-position, to-position. */ | |
5221 | 0, 0, &win_x, &win_y, | |
5222 | ||
5223 | /* Child of win. */ | |
5224 | &child); | |
5225 | UNBLOCK_INPUT; | |
5226 | } | |
5227 | ||
5228 | /* Treat negative positions as relative to the leftmost bottommost | |
5229 | position that fits on the screen. */ | |
20f55f9a | 5230 | if (flags & XNegative) |
31ea78fd | 5231 | f->display.x->left_pos = (x_screen_width |
69388238 | 5232 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
5233 | - PIXEL_WIDTH (f) |
5234 | + f->display.x->left_pos); | |
dc6f92b8 | 5235 | |
20f55f9a | 5236 | if (flags & YNegative) |
31ea78fd | 5237 | f->display.x->top_pos = (x_screen_height |
69388238 | 5238 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
5239 | - PIXEL_HEIGHT (f) |
5240 | + f->display.x->top_pos); | |
3a35ab44 RS |
5241 | /* The left_pos and top_pos |
5242 | are now relative to the top and left screen edges, | |
5243 | so the flags should correspond. */ | |
5244 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
c118dd06 | 5245 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5246 | WINDOWINFO_TYPE parentinfo; |
5247 | ||
c118dd06 | 5248 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 5249 | |
f676886a JB |
5250 | if (f->display.x->left_pos < 0) |
5251 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
5252 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 5253 | |
f676886a JB |
5254 | if (f->display.x->top_pos < 0) |
5255 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
5256 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 5257 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5258 | } |
5259 | ||
3a35ab44 RS |
5260 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
5261 | to really change the position, and 0 when calling from | |
5262 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
5263 | position values). */ | |
5264 | ||
dc05a16b | 5265 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 5266 | struct frame *f; |
dc6f92b8 | 5267 | register int xoff, yoff; |
dc05a16b | 5268 | int change_gravity; |
dc6f92b8 | 5269 | { |
3a35ab44 RS |
5270 | if (change_gravity) |
5271 | { | |
5272 | f->display.x->top_pos = yoff; | |
5273 | f->display.x->left_pos = xoff; | |
5274 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
5275 | if (xoff < 0) | |
5276 | f->display.x->size_hint_flags |= XNegative; | |
5277 | if (yoff < 0) | |
5278 | f->display.x->size_hint_flags |= YNegative; | |
5279 | f->display.x->win_gravity = NorthWestGravity; | |
5280 | } | |
43bca5d5 | 5281 | x_calc_absolute_position (f); |
dc6f92b8 JB |
5282 | |
5283 | BLOCK_INPUT; | |
3a35ab44 RS |
5284 | x_wm_set_size_hint (f, 0, 0); |
5285 | ||
3afe33e7 RS |
5286 | #ifdef USE_X_TOOLKIT |
5287 | XMoveWindow (XDISPLAY XtWindow (f->display.x->widget), | |
5288 | f->display.x->left_pos, f->display.x->top_pos); | |
5289 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5290 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 5291 | f->display.x->left_pos, f->display.x->top_pos); |
3afe33e7 | 5292 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5293 | UNBLOCK_INPUT; |
5294 | } | |
5295 | ||
bc20ebbf FP |
5296 | /* Call this to change the size of frame F's x-window. |
5297 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
5298 | for this size change and subsequent size changes. | |
5299 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 5300 | |
bc20ebbf | 5301 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 5302 | struct frame *f; |
bc20ebbf | 5303 | int change_gravity; |
b1c884c3 | 5304 | int cols, rows; |
dc6f92b8 JB |
5305 | { |
5306 | int pixelwidth, pixelheight; | |
5307 | int mask; | |
dc6f92b8 | 5308 | |
80fd1fe2 FP |
5309 | #ifdef USE_X_TOOLKIT |
5310 | BLOCK_INPUT; | |
3a20653d RS |
5311 | { |
5312 | /* The x and y position of the widget is clobbered by the | |
5313 | call to XtSetValues within EmacsFrameSetCharSize. | |
5314 | This is a real kludge, but I don't understand Xt so I can't | |
5315 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
5316 | int xpos = f->display.x->widget->core.x; | |
5317 | int ypos = f->display.x->widget->core.y; | |
5318 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
5319 | f->display.x->widget->core.x = xpos; | |
5320 | f->display.x->widget->core.y = ypos; | |
5321 | } | |
80fd1fe2 FP |
5322 | UNBLOCK_INPUT; |
5323 | ||
5324 | #else /* not USE_X_TOOLKIT */ | |
5325 | ||
dc6f92b8 JB |
5326 | BLOCK_INPUT; |
5327 | ||
b1c884c3 | 5328 | check_frame_size (f, &rows, &cols); |
6dba1858 RS |
5329 | f->display.x->vertical_scroll_bar_extra |
5330 | = (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
5331 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
5332 | : 0); | |
f451eb13 JB |
5333 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
5334 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
5335 | |
5336 | #ifdef HAVE_X11 | |
af31d76f RS |
5337 | f->display.x->win_gravity = NorthWestGravity; |
5338 | x_wm_set_size_hint (f, 0, 0); | |
c118dd06 | 5339 | #endif /* ! defined (HAVE_X11) */ |
0cdd0c9f | 5340 | XSync (x_current_display, False); |
c118dd06 | 5341 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); |
b1c884c3 JB |
5342 | |
5343 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
5344 | but the window manager will get around to dealing with the size | |
5345 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
5346 | ConfigureNotify event gets here. |
5347 | ||
5348 | We could just not bother storing any of this information here, | |
5349 | and let the ConfigureNotify event set everything up, but that | |
5350 | might be kind of confusing to the lisp code, since size changes | |
5351 | wouldn't be reported in the frame parameters until some random | |
5352 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 5353 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
5354 | PIXEL_WIDTH (f) = pixelwidth; |
5355 | PIXEL_HEIGHT (f) = pixelheight; | |
5356 | ||
4d73d038 RS |
5357 | /* If cursor was outside the new size, mark it as off. */ |
5358 | if (f->phys_cursor_y >= rows | |
5359 | || f->phys_cursor_x >= cols) | |
5360 | { | |
5361 | f->phys_cursor_x = -1; | |
5362 | f->phys_cursor_y = -1; | |
5363 | } | |
5364 | ||
dbc4e1c1 JB |
5365 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
5366 | receive in the ConfigureNotify event; if we get what we asked | |
5367 | for, then the event won't cause the screen to become garbaged, so | |
5368 | we have to make sure to do it here. */ | |
5369 | SET_FRAME_GARBAGED (f); | |
5370 | ||
dc6f92b8 JB |
5371 | XFlushQueue (); |
5372 | UNBLOCK_INPUT; | |
80fd1fe2 | 5373 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5374 | } |
5375 | ||
5376 | #ifndef HAVE_X11 | |
f676886a JB |
5377 | x_set_resize_hint (f) |
5378 | struct frame *f; | |
dc6f92b8 | 5379 | { |
12ba150f JB |
5380 | XSetResizeHint (FRAME_X_WINDOW (f), |
5381 | 2 * f->display.x->internal_border_width, | |
f676886a | 5382 | 2 * f->display.x->internal_border_width, |
12ba150f | 5383 | FONT_WIDTH (f->display.x->font), |
a27f9f86 | 5384 | f->display.x->line_height); |
dc6f92b8 | 5385 | } |
c118dd06 | 5386 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5387 | \f |
f451eb13 | 5388 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 5389 | |
9b378208 | 5390 | void |
f676886a JB |
5391 | x_set_mouse_position (f, x, y) |
5392 | struct frame *f; | |
dc6f92b8 JB |
5393 | int x, y; |
5394 | { | |
5395 | int pix_x, pix_y; | |
5396 | ||
12ba150f | 5397 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
a27f9f86 | 5398 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->display.x->line_height / 2; |
f451eb13 JB |
5399 | |
5400 | if (pix_x < 0) pix_x = 0; | |
5401 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
5402 | ||
5403 | if (pix_y < 0) pix_y = 0; | |
5404 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
5405 | |
5406 | BLOCK_INPUT; | |
dc6f92b8 | 5407 | |
c118dd06 | 5408 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
5409 | UNBLOCK_INPUT; |
5410 | } | |
5411 | ||
9b378208 RS |
5412 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
5413 | ||
5414 | void | |
5415 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
5416 | struct frame *f; | |
5417 | int pix_x, pix_y; | |
5418 | { | |
5419 | BLOCK_INPUT; | |
5420 | ||
5421 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); | |
5422 | UNBLOCK_INPUT; | |
5423 | } | |
5424 | ||
dc6f92b8 | 5425 | #ifdef HAVE_X11 |
f676886a JB |
5426 | x_focus_on_frame (f) |
5427 | struct frame *f; | |
dc6f92b8 | 5428 | { |
1fb20991 | 5429 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 5430 | x_raise_frame (f); |
1fb20991 | 5431 | #endif |
6d4238f3 JB |
5432 | #if 0 |
5433 | /* I don't think that the ICCCM allows programs to do things like this | |
5434 | without the interaction of the window manager. Whatever you end up | |
f676886a | 5435 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 5436 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 5437 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5438 | #endif /* ! 0 */ |
dc6f92b8 JB |
5439 | } |
5440 | ||
f676886a JB |
5441 | x_unfocus_frame (f) |
5442 | struct frame *f; | |
dc6f92b8 | 5443 | { |
6d4238f3 | 5444 | #if 0 |
f676886a JB |
5445 | /* Look at the remarks in x_focus_on_frame. */ |
5446 | if (x_focus_frame == f) | |
dc6f92b8 JB |
5447 | XSetInputFocus (x_current_display, PointerRoot, |
5448 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 5449 | #endif /* ! 0 */ |
dc6f92b8 JB |
5450 | } |
5451 | ||
c118dd06 | 5452 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5453 | |
f676886a | 5454 | /* Raise frame F. */ |
dc6f92b8 | 5455 | |
f676886a JB |
5456 | x_raise_frame (f) |
5457 | struct frame *f; | |
dc6f92b8 | 5458 | { |
3a88c238 | 5459 | if (f->async_visible) |
dc6f92b8 JB |
5460 | { |
5461 | BLOCK_INPUT; | |
3afe33e7 RS |
5462 | #ifdef USE_X_TOOLKIT |
5463 | XRaiseWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
5464 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5465 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5466 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5467 | XFlushQueue (); |
5468 | UNBLOCK_INPUT; | |
5469 | } | |
5470 | } | |
5471 | ||
f676886a | 5472 | /* Lower frame F. */ |
dc6f92b8 | 5473 | |
f676886a JB |
5474 | x_lower_frame (f) |
5475 | struct frame *f; | |
dc6f92b8 | 5476 | { |
3a88c238 | 5477 | if (f->async_visible) |
dc6f92b8 JB |
5478 | { |
5479 | BLOCK_INPUT; | |
3afe33e7 RS |
5480 | #ifdef USE_X_TOOLKIT |
5481 | XLowerWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
5482 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5483 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5484 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5485 | XFlushQueue (); |
5486 | UNBLOCK_INPUT; | |
5487 | } | |
5488 | } | |
5489 | ||
dbc4e1c1 JB |
5490 | static void |
5491 | XTframe_raise_lower (f, raise) | |
5492 | FRAME_PTR f; | |
5493 | int raise; | |
5494 | { | |
5495 | if (raise) | |
5496 | x_raise_frame (f); | |
5497 | else | |
5498 | x_lower_frame (f); | |
5499 | } | |
5500 | ||
5501 | ||
fd13dbb2 RS |
5502 | /* Change from withdrawn state to mapped state, |
5503 | or deiconify. */ | |
dc6f92b8 | 5504 | |
f676886a JB |
5505 | x_make_frame_visible (f) |
5506 | struct frame *f; | |
dc6f92b8 JB |
5507 | { |
5508 | int mask; | |
5509 | ||
dc6f92b8 | 5510 | BLOCK_INPUT; |
dc6f92b8 | 5511 | |
f676886a | 5512 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
5513 | { |
5514 | #ifdef HAVE_X11 | |
af31d76f | 5515 | #ifndef USE_X_TOOLKIT |
fd13dbb2 RS |
5516 | if (! FRAME_ICONIFIED_P (f)) |
5517 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
af31d76f | 5518 | #endif |
dc05a16b | 5519 | |
90e65f07 | 5520 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 5521 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 5522 | #ifdef USE_X_TOOLKIT |
d7a38a2e RS |
5523 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
5524 | XtMapWidget (f->display.x->widget); | |
3afe33e7 | 5525 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5526 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5527 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
5528 | #if 0 /* This seems to bring back scroll bars in the wrong places |
5529 | if the window configuration has changed. They seem | |
5530 | to come back ok without this. */ | |
ab648270 | 5531 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 | 5532 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
0134a210 | 5533 | #endif |
c118dd06 JB |
5534 | #else /* ! defined (HAVE_X11) */ |
5535 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
5536 | if (f->display.x->icon_desc != 0) |
5537 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 5538 | |
90e65f07 | 5539 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
5540 | f->async_visible = 1; |
5541 | f->async_iconified = 0; | |
dc6f92b8 | 5542 | |
f676886a | 5543 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 5544 | XTcursor_to (0, 0); |
c118dd06 | 5545 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 5546 | } |
dc6f92b8 | 5547 | |
dc6f92b8 | 5548 | XFlushQueue (); |
90e65f07 | 5549 | |
dc6f92b8 JB |
5550 | UNBLOCK_INPUT; |
5551 | } | |
5552 | ||
5553 | /* Change from mapped state to withdrawn state. */ | |
5554 | ||
f676886a JB |
5555 | x_make_frame_invisible (f) |
5556 | struct frame *f; | |
dc6f92b8 JB |
5557 | { |
5558 | int mask; | |
546e6d5b RS |
5559 | Window window; |
5560 | ||
5561 | #ifdef USE_X_TOOLKIT | |
5562 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
5563 | window = XtWindow (f->display.x->widget); | |
5564 | #else /* not USE_X_TOOLKIT */ | |
5565 | window = FRAME_X_WINDOW (f); | |
5566 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5567 | |
9319ae23 RS |
5568 | /* Don't keep the highlight on an invisible frame. */ |
5569 | if (x_highlight_frame == f) | |
5570 | x_highlight_frame = 0; | |
5571 | ||
5627c40e | 5572 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5573 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5574 | return; |
5627c40e | 5575 | #endif |
dc6f92b8 JB |
5576 | |
5577 | BLOCK_INPUT; | |
c118dd06 | 5578 | |
af31d76f RS |
5579 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
5580 | that the current position of the window is user-specified, rather than | |
5581 | program-specified, so that when the window is mapped again, it will be | |
5582 | placed at the same location, without forcing the user to position it | |
5583 | by hand again (they have already done that once for this window.) */ | |
5584 | x_wm_set_size_hint (f, 0, 1); | |
5585 | ||
c118dd06 JB |
5586 | #ifdef HAVE_X11R4 |
5587 | ||
546e6d5b | 5588 | if (! XWithdrawWindow (x_current_display, window, |
c118dd06 JB |
5589 | DefaultScreen (x_current_display))) |
5590 | { | |
5591 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5592 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 5593 | } |
c118dd06 | 5594 | #else /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 5595 | #ifdef HAVE_X11 |
16bd92ea | 5596 | |
c118dd06 | 5597 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5598 | if (! EQ (Vx_no_window_manager, Qt)) |
5599 | { | |
16bd92ea | 5600 | XEvent unmap; |
dc6f92b8 | 5601 | |
16bd92ea | 5602 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 5603 | unmap.xunmap.window = window; |
16bd92ea JB |
5604 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
5605 | unmap.xunmap.from_configure = False; | |
5606 | if (! XSendEvent (x_current_display, | |
5607 | DefaultRootWindow (x_current_display), | |
5608 | False, | |
5609 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5610 | &unmap)) | |
5611 | { | |
5612 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5613 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 5614 | } |
dc6f92b8 JB |
5615 | } |
5616 | ||
16bd92ea | 5617 | /* Unmap the window ourselves. Cheeky! */ |
546e6d5b | 5618 | XUnmapWindow (x_current_display, window); |
c118dd06 | 5619 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5620 | |
c118dd06 | 5621 | XUnmapWindow (FRAME_X_WINDOW (f)); |
f676886a | 5622 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
5623 | XUnmapWindow (f->display.x->icon_desc); |
5624 | ||
5625 | #endif /* ! defined (HAVE_X11) */ | |
5626 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 5627 | |
5627c40e RS |
5628 | /* We can't distinguish this from iconification |
5629 | just by the event that we get from the server. | |
5630 | So we can't win using the usual strategy of letting | |
5631 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5632 | and synchronize with the server to make sure we agree. */ | |
5633 | f->visible = 0; | |
5634 | FRAME_ICONIFIED_P (f) = 0; | |
5635 | f->async_visible = 0; | |
5636 | f->async_iconified = 0; | |
5637 | ||
5638 | x_sync (); | |
5639 | ||
dc6f92b8 JB |
5640 | UNBLOCK_INPUT; |
5641 | } | |
5642 | ||
dc6f92b8 JB |
5643 | /* Change window state from mapped to iconified. */ |
5644 | ||
f676886a JB |
5645 | x_iconify_frame (f) |
5646 | struct frame *f; | |
dc6f92b8 JB |
5647 | { |
5648 | int mask; | |
3afe33e7 | 5649 | int result; |
dc6f92b8 | 5650 | |
9319ae23 RS |
5651 | /* Don't keep the highlight on an invisible frame. */ |
5652 | if (x_highlight_frame == f) | |
5653 | x_highlight_frame = 0; | |
5654 | ||
3a88c238 | 5655 | if (f->async_iconified) |
dc6f92b8 JB |
5656 | return; |
5657 | ||
3afe33e7 RS |
5658 | #ifdef USE_X_TOOLKIT |
5659 | BLOCK_INPUT; | |
546e6d5b RS |
5660 | |
5661 | if (! FRAME_VISIBLE_P (f)) | |
5662 | { | |
5663 | if (! EQ (Vx_no_window_manager, Qt)) | |
5664 | x_wm_set_window_state (f, IconicState); | |
5665 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
5666 | XtMapWidget (f->display.x->widget); | |
5667 | UNBLOCK_INPUT; | |
5668 | return; | |
5669 | } | |
5670 | ||
3afe33e7 | 5671 | result = XIconifyWindow (x_current_display, |
bc20ebbf | 5672 | XtWindow (f->display.x->widget), |
3afe33e7 RS |
5673 | DefaultScreen (x_current_display)); |
5674 | UNBLOCK_INPUT; | |
5675 | ||
5676 | if (!result) | |
546e6d5b | 5677 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
5678 | |
5679 | f->async_iconified = 1; | |
8c002a25 KH |
5680 | |
5681 | BLOCK_INPUT; | |
5682 | XFlushQueue (); | |
5683 | UNBLOCK_INPUT; | |
3afe33e7 RS |
5684 | #else /* not USE_X_TOOLKIT */ |
5685 | ||
dc6f92b8 JB |
5686 | BLOCK_INPUT; |
5687 | ||
5688 | #ifdef HAVE_X11 | |
fd13dbb2 RS |
5689 | /* Make sure the X server knows where the window should be positioned, |
5690 | in case the user deiconifies with the window manager. */ | |
5691 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
5692 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
5693 | ||
16bd92ea JB |
5694 | /* Since we don't know which revision of X we're running, we'll use both |
5695 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5696 | ||
5697 | /* X11R4: send a ClientMessage to the window manager using the | |
5698 | WM_CHANGE_STATE type. */ | |
5699 | { | |
5700 | XEvent message; | |
5701 | ||
c118dd06 | 5702 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
5703 | message.xclient.type = ClientMessage; |
5704 | message.xclient.message_type = Xatom_wm_change_state; | |
5705 | message.xclient.format = 32; | |
5706 | message.xclient.data.l[0] = IconicState; | |
5707 | ||
5708 | if (! XSendEvent (x_current_display, | |
5709 | DefaultRootWindow (x_current_display), | |
5710 | False, | |
5711 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5712 | &message)) | |
dc6f92b8 JB |
5713 | { |
5714 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5715 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 5716 | } |
16bd92ea | 5717 | } |
dc6f92b8 | 5718 | |
16bd92ea JB |
5719 | /* X11R3: set the initial_state field of the window manager hints to |
5720 | IconicState. */ | |
5721 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5722 | |
a9c00105 RS |
5723 | if (!FRAME_VISIBLE_P (f)) |
5724 | { | |
5725 | /* If the frame was withdrawn, before, we must map it. */ | |
5726 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
0134a210 | 5727 | #if 0 /* We don't have subwindows in the icon. */ |
a9c00105 RS |
5728 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
5729 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); | |
0134a210 | 5730 | #endif |
a9c00105 RS |
5731 | } |
5732 | ||
3a88c238 | 5733 | f->async_iconified = 1; |
c118dd06 JB |
5734 | #else /* ! defined (HAVE_X11) */ |
5735 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 5736 | |
3a88c238 | 5737 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 5738 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 5739 | { |
f676886a JB |
5740 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
5741 | refreshicon (f); | |
dc6f92b8 | 5742 | } |
c118dd06 | 5743 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5744 | |
5745 | XFlushQueue (); | |
5746 | UNBLOCK_INPUT; | |
8c002a25 | 5747 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5748 | } |
5749 | ||
c0ff3fab | 5750 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5751 | |
c0ff3fab | 5752 | x_destroy_window (f) |
f676886a | 5753 | struct frame *f; |
dc6f92b8 | 5754 | { |
dc6f92b8 | 5755 | BLOCK_INPUT; |
c0ff3fab JB |
5756 | |
5757 | if (f->display.x->icon_desc != 0) | |
5758 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
5759 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
3afe33e7 RS |
5760 | #ifdef USE_X_TOOLKIT |
5761 | XtDestroyWidget (f->display.x->widget); | |
9d7e2e3e | 5762 | free_frame_menubar (f); |
3afe33e7 RS |
5763 | #endif /* USE_X_TOOLKIT */ |
5764 | ||
07e34cb0 | 5765 | free_frame_faces (f); |
dc6f92b8 | 5766 | XFlushQueue (); |
dc6f92b8 | 5767 | |
9ac0d9e0 | 5768 | xfree (f->display.x); |
c0ff3fab | 5769 | f->display.x = 0; |
f676886a JB |
5770 | if (f == x_focus_frame) |
5771 | x_focus_frame = 0; | |
5772 | if (f == x_highlight_frame) | |
5773 | x_highlight_frame = 0; | |
c0ff3fab | 5774 | |
0134a210 | 5775 | if (f == mouse_face_mouse_frame) |
dc05a16b | 5776 | { |
3b506386 KH |
5777 | mouse_face_beg_row = mouse_face_beg_col = -1; |
5778 | mouse_face_end_row = mouse_face_end_col = -1; | |
dc05a16b RS |
5779 | mouse_face_window = Qnil; |
5780 | } | |
0134a210 | 5781 | |
c0ff3fab | 5782 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5783 | } |
5784 | \f | |
f451eb13 JB |
5785 | /* Manage event queues for X10. */ |
5786 | ||
dc6f92b8 JB |
5787 | #ifndef HAVE_X11 |
5788 | ||
5789 | /* Manage event queues. | |
5790 | ||
5791 | This code is only used by the X10 support. | |
5792 | ||
5793 | We cannot leave events in the X queue and get them when we are ready | |
5794 | because X does not provide a subroutine to get only a certain kind | |
5795 | of event but not block if there are no queued events of that kind. | |
5796 | ||
5797 | Therefore, we must examine events as they come in and copy events | |
5798 | of certain kinds into our private queues. | |
5799 | ||
5800 | All ExposeRegion events are put in x_expose_queue. | |
69388238 | 5801 | All ButtonPress and ButtonRelease events are put in x_mouse_queue. */ |
dc6f92b8 JB |
5802 | |
5803 | ||
5804 | /* Write the event *P_XREP into the event queue *QUEUE. | |
5805 | If the queue is full, do nothing, but return nonzero. */ | |
5806 | ||
5807 | int | |
5808 | enqueue_event (p_xrep, queue) | |
5809 | register XEvent *p_xrep; | |
5810 | register struct event_queue *queue; | |
5811 | { | |
5812 | int newindex = queue->windex + 1; | |
5813 | if (newindex == EVENT_BUFFER_SIZE) | |
5814 | newindex = 0; | |
5815 | if (newindex == queue->rindex) | |
5816 | return -1; | |
5817 | queue->xrep[queue->windex] = *p_xrep; | |
5818 | queue->windex = newindex; | |
5819 | return 0; | |
5820 | } | |
5821 | ||
5822 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
5823 | If *QUEUE is empty, do nothing and return 0. */ | |
5824 | ||
5825 | int | |
5826 | dequeue_event (p_xrep, queue) | |
5827 | register XEvent *p_xrep; | |
5828 | register struct event_queue *queue; | |
5829 | { | |
5830 | if (queue->windex == queue->rindex) | |
5831 | return 0; | |
5832 | *p_xrep = queue->xrep[queue->rindex++]; | |
5833 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
5834 | queue->rindex = 0; | |
5835 | return 1; | |
5836 | } | |
5837 | ||
5838 | /* Return the number of events buffered in *QUEUE. */ | |
5839 | ||
5840 | int | |
5841 | queue_event_count (queue) | |
5842 | register struct event_queue *queue; | |
5843 | { | |
5844 | int tem = queue->windex - queue->rindex; | |
5845 | if (tem >= 0) | |
5846 | return tem; | |
5847 | return EVENT_BUFFER_SIZE + tem; | |
5848 | } | |
5849 | ||
5850 | /* Return nonzero if mouse input is pending. */ | |
5851 | ||
5852 | int | |
5853 | mouse_event_pending_p () | |
5854 | { | |
5855 | return queue_event_count (&x_mouse_queue); | |
5856 | } | |
c118dd06 | 5857 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5858 | \f |
f451eb13 JB |
5859 | /* Setting window manager hints. */ |
5860 | ||
dc6f92b8 JB |
5861 | #ifdef HAVE_X11 |
5862 | ||
af31d76f RS |
5863 | /* Set the normal size hints for the window manager, for frame F. |
5864 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5865 | that the window now has. | |
5866 | If USER_POSITION is nonzero, we set the USPosition | |
5867 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5868 | |
af31d76f | 5869 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5870 | struct frame *f; |
af31d76f RS |
5871 | long flags; |
5872 | int user_position; | |
dc6f92b8 JB |
5873 | { |
5874 | XSizeHints size_hints; | |
3afe33e7 RS |
5875 | |
5876 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5877 | Arg al[2]; |
5878 | int ac = 0; | |
5879 | Dimension widget_width, widget_height; | |
bc20ebbf | 5880 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5881 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5882 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5883 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5884 | |
b72a58fd RS |
5885 | /* Setting PMaxSize caused various problems. */ |
5886 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5887 | |
f676886a JB |
5888 | flexlines = f->height; |
5889 | ||
5890 | size_hints.x = f->display.x->left_pos; | |
5891 | size_hints.y = f->display.x->top_pos; | |
7553a6b7 | 5892 | |
7e4f2521 FP |
5893 | #ifdef USE_X_TOOLKIT |
5894 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5895 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
5896 | XtGetValues (f->display.x->column_widget, al, ac); | |
5897 | size_hints.height = widget_height; | |
5898 | size_hints.width = widget_width; | |
5899 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5900 | size_hints.height = PIXEL_HEIGHT (f); |
5901 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5902 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5903 | |
f676886a | 5904 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 5905 | size_hints.height_inc = f->display.x->line_height; |
7553a6b7 RS |
5906 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
5907 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5908 | |
b1c884c3 | 5909 | { |
b0342f17 | 5910 | int base_width, base_height; |
0134a210 | 5911 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5912 | |
f451eb13 JB |
5913 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5914 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5915 | |
0134a210 | 5916 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5917 | |
0134a210 RS |
5918 | /* The window manager uses the base width hints to calculate the |
5919 | current number of rows and columns in the frame while | |
5920 | resizing; min_width and min_height aren't useful for this | |
5921 | purpose, since they might not give the dimensions for a | |
5922 | zero-row, zero-column frame. | |
5923 | ||
5924 | We use the base_width and base_height members if we have | |
5925 | them; otherwise, we set the min_width and min_height members | |
5926 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5927 | |
5928 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5929 | size_hints.flags |= PBaseSize; |
5930 | size_hints.base_width = base_width; | |
5931 | size_hints.base_height = base_height; | |
5932 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5933 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5934 | #else |
0134a210 RS |
5935 | size_hints.min_width = base_width; |
5936 | size_hints.min_height = base_height; | |
b0342f17 | 5937 | #endif |
b1c884c3 | 5938 | } |
dc6f92b8 | 5939 | |
af31d76f RS |
5940 | if (flags) |
5941 | size_hints.flags |= flags; | |
dc6f92b8 JB |
5942 | else |
5943 | { | |
5944 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
af31d76f RS |
5945 | long supplied_return; |
5946 | int value; | |
5947 | ||
5948 | #ifdef HAVE_X11R4 | |
5949 | value = XGetWMNormalHints (x_current_display, window, &hints, | |
5950 | &supplied_return); | |
5951 | #else | |
5952 | value = XGetNormalHints (x_current_display, window, &hints); | |
5953 | #endif | |
dc6f92b8 | 5954 | |
af31d76f | 5955 | if (value == 0) |
82ee0df4 | 5956 | hints.flags = 0; |
dc6f92b8 JB |
5957 | if (hints.flags & PSize) |
5958 | size_hints.flags |= PSize; | |
5959 | if (hints.flags & PPosition) | |
5960 | size_hints.flags |= PPosition; | |
5961 | if (hints.flags & USPosition) | |
5962 | size_hints.flags |= USPosition; | |
5963 | if (hints.flags & USSize) | |
5964 | size_hints.flags |= USSize; | |
5965 | } | |
0134a210 | 5966 | |
af31d76f | 5967 | #ifdef PWinGravity |
dc05a16b | 5968 | size_hints.win_gravity = f->display.x->win_gravity; |
af31d76f | 5969 | size_hints.flags |= PWinGravity; |
dc05a16b | 5970 | |
af31d76f | 5971 | if (user_position) |
6dba1858 | 5972 | { |
af31d76f RS |
5973 | size_hints.flags &= ~ PPosition; |
5974 | size_hints.flags |= USPosition; | |
6dba1858 | 5975 | } |
2554751d | 5976 | #endif /* PWinGravity */ |
6dba1858 | 5977 | |
b0342f17 JB |
5978 | #ifdef HAVE_X11R4 |
5979 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
5980 | #else | |
dc6f92b8 | 5981 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 5982 | #endif |
dc6f92b8 JB |
5983 | } |
5984 | ||
5985 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5986 | x_wm_set_window_state (f, state) |
5987 | struct frame *f; | |
dc6f92b8 JB |
5988 | int state; |
5989 | { | |
3afe33e7 | 5990 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
5991 | Arg al[1]; |
5992 | ||
5993 | XtSetArg (al[0], XtNinitialState, state); | |
5994 | XtSetValues (f->display.x->widget, al, 1); | |
3afe33e7 | 5995 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5996 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5997 | |
16bd92ea JB |
5998 | f->display.x->wm_hints.flags |= StateHint; |
5999 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 6000 | |
16bd92ea | 6001 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
546e6d5b | 6002 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
6003 | } |
6004 | ||
f676886a JB |
6005 | x_wm_set_icon_pixmap (f, icon_pixmap) |
6006 | struct frame *f; | |
dc6f92b8 JB |
6007 | Pixmap icon_pixmap; |
6008 | { | |
75231bad RS |
6009 | #ifdef USE_X_TOOLKIT |
6010 | Window window = XtWindow (f->display.x->widget); | |
6011 | #else | |
c118dd06 | 6012 | Window window = FRAME_X_WINDOW (f); |
75231bad | 6013 | #endif |
dc6f92b8 | 6014 | |
dbc4e1c1 JB |
6015 | if (icon_pixmap) |
6016 | { | |
6017 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
6018 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
6019 | } | |
6020 | else | |
6021 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 6022 | |
16bd92ea | 6023 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
6024 | } |
6025 | ||
f676886a JB |
6026 | x_wm_set_icon_position (f, icon_x, icon_y) |
6027 | struct frame *f; | |
dc6f92b8 JB |
6028 | int icon_x, icon_y; |
6029 | { | |
75231bad RS |
6030 | #ifdef USE_X_TOOLKIT |
6031 | Window window = XtWindow (f->display.x->widget); | |
6032 | #else | |
c118dd06 | 6033 | Window window = FRAME_X_WINDOW (f); |
75231bad | 6034 | #endif |
dc6f92b8 | 6035 | |
16bd92ea JB |
6036 | f->display.x->wm_hints.flags |= IconPositionHint; |
6037 | f->display.x->wm_hints.icon_x = icon_x; | |
6038 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 6039 | |
16bd92ea | 6040 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
6041 | } |
6042 | ||
6043 | \f | |
f451eb13 JB |
6044 | /* Initialization. */ |
6045 | ||
3afe33e7 RS |
6046 | #ifdef USE_X_TOOLKIT |
6047 | static XrmOptionDescRec emacs_options[] = { | |
6048 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
6049 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
6050 | ||
6051 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
6052 | XrmoptionSepArg, NULL}, | |
6053 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
6054 | ||
6055 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
6056 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
6057 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
6058 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
6059 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
6060 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
6061 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
6062 | }; | |
6063 | #endif /* USE_X_TOOLKIT */ | |
6064 | ||
dc6f92b8 | 6065 | void |
1f8255f2 | 6066 | x_term_init (display_name, xrm_option, resource_name) |
dc6f92b8 | 6067 | char *display_name; |
1f8255f2 RS |
6068 | char *xrm_option; |
6069 | char *resource_name; | |
dc6f92b8 | 6070 | { |
f676886a | 6071 | Lisp_Object frame; |
dc6f92b8 | 6072 | char *defaultvalue; |
3afe33e7 RS |
6073 | int argc = 0; |
6074 | char** argv = 0; | |
041b69ac | 6075 | #ifndef F_SETOWN_BUG |
dc6f92b8 JB |
6076 | #ifdef F_SETOWN |
6077 | extern int old_fcntl_owner; | |
c118dd06 | 6078 | #endif /* ! defined (F_SETOWN) */ |
041b69ac | 6079 | #endif /* F_SETOWN_BUG */ |
6d4238f3 | 6080 | |
f676886a | 6081 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 | 6082 | |
3afe33e7 | 6083 | #ifdef USE_X_TOOLKIT |
1f8255f2 RS |
6084 | argv = (char **) XtMalloc (7 * sizeof (char *)); |
6085 | argv[0] = ""; | |
6086 | argv[1] = "-display"; | |
6087 | argv[2] = display_name; | |
6088 | argv[3] = "-name"; | |
6089 | /* Usually `emacs', but not always. */ | |
6090 | argv[4] = resource_name; | |
c2df547c | 6091 | argc = 5; |
1f8255f2 RS |
6092 | if (xrm_option) |
6093 | { | |
6094 | argv[argc++] = "-xrm"; | |
6095 | argv[argc++] = xrm_option; | |
6096 | } | |
3afe33e7 | 6097 | Xt_app_shell = XtAppInitialize (&Xt_app_con, "Emacs", |
bc20ebbf | 6098 | emacs_options, XtNumber (emacs_options), |
3afe33e7 RS |
6099 | &argc, argv, |
6100 | NULL, NULL, 0); | |
983f76b8 | 6101 | XtFree ((char *)argv); |
3afe33e7 RS |
6102 | x_current_display = XtDisplay (Xt_app_shell); |
6103 | ||
6104 | #else /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 6105 | x_current_display = XOpenDisplay (display_name); |
3afe33e7 | 6106 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 6107 | if (x_current_display == 0) |
041b69ac JB |
6108 | fatal ("X server %s not responding.\n\ |
6109 | Check the DISPLAY environment variable or use \"-d\"\n", | |
dc6f92b8 JB |
6110 | display_name); |
6111 | ||
6112 | #ifdef HAVE_X11 | |
6113 | { | |
dc6f92b8 JB |
6114 | #if 0 |
6115 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 6116 | #endif /* ! 0 */ |
59653951 | 6117 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
becadff8 | 6118 | + XSTRING (Vsystem_name)->size |
60fb3ee1 | 6119 | + 2); |
becadff8 KH |
6120 | sprintf (x_id_name, "%s@%s", |
6121 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
dc6f92b8 | 6122 | } |
28430d3c JB |
6123 | |
6124 | /* Figure out which modifier bits mean what. */ | |
6125 | x_find_modifier_meanings (); | |
f451eb13 | 6126 | |
ab648270 | 6127 | /* Get the scroll bar cursor. */ |
d56a553a RS |
6128 | x_vertical_scroll_bar_cursor |
6129 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 6130 | |
d56a553a | 6131 | #if 0 |
28430d3c JB |
6132 | /* Watch for PropertyNotify events on the root window; we use them |
6133 | to figure out when to invalidate our cache of the cut buffers. */ | |
6134 | x_watch_cut_buffer_cache (); | |
d56a553a | 6135 | #endif |
28430d3c | 6136 | |
a4fc7360 | 6137 | if (ConnectionNumber (x_current_display) != 0) |
61c3ce62 RS |
6138 | change_keyboard_wait_descriptor (ConnectionNumber (x_current_display)); |
6139 | change_input_fd (ConnectionNumber (x_current_display)); | |
6d4238f3 | 6140 | |
c118dd06 | 6141 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 6142 | |
041b69ac | 6143 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 6144 | #ifdef F_SETOWN |
61c3ce62 | 6145 | old_fcntl_owner = fcntl (ConnectionNumber (x_current_display), F_GETOWN, 0); |
dc6f92b8 | 6146 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 RS |
6147 | /* stdin is a socket here */ |
6148 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, -getpid ()); | |
c118dd06 | 6149 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
61c3ce62 | 6150 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, getpid ()); |
c118dd06 JB |
6151 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
6152 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 6153 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
6154 | |
6155 | #ifdef SIGIO | |
6156 | init_sigio (); | |
c118dd06 | 6157 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 6158 | |
dc6f92b8 JB |
6159 | expose_all_windows = 0; |
6160 | ||
f676886a | 6161 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
6162 | clear_end_of_line_hook = XTclear_end_of_line; |
6163 | ins_del_lines_hook = XTins_del_lines; | |
6164 | change_line_highlight_hook = XTchange_line_highlight; | |
6165 | insert_glyphs_hook = XTinsert_glyphs; | |
6166 | write_glyphs_hook = XTwrite_glyphs; | |
6167 | delete_glyphs_hook = XTdelete_glyphs; | |
6168 | ring_bell_hook = XTring_bell; | |
6169 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
6170 | set_terminal_modes_hook = XTset_terminal_modes; | |
6171 | update_begin_hook = XTupdate_begin; | |
6172 | update_end_hook = XTupdate_end; | |
6173 | set_terminal_window_hook = XTset_terminal_window; | |
6174 | read_socket_hook = XTread_socket; | |
b8009dd1 | 6175 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
6176 | cursor_to_hook = XTcursor_to; |
6177 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 6178 | mouse_position_hook = XTmouse_position; |
f451eb13 | 6179 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 6180 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
6181 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
6182 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
6183 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
6184 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 6185 | |
f676886a | 6186 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
6187 | char_ins_del_ok = 0; /* just as fast to write the line */ |
6188 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
6189 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 6190 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
6191 | off the bottom */ |
6192 | baud_rate = 19200; | |
6193 | ||
b30b24cb RS |
6194 | /* Try to use interrupt input; if we can't, then start polling. */ |
6195 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
6196 | ||
c118dd06 JB |
6197 | /* Note that there is no real way portable across R3/R4 to get the |
6198 | original error handler. */ | |
6199 | XHandleError (x_error_quitter); | |
8922af5f | 6200 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
6201 | |
6202 | /* Disable Window Change signals; they are handled by X events. */ | |
6203 | #ifdef SIGWINCH | |
6204 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 6205 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 6206 | |
c118dd06 | 6207 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 6208 | } |
55123275 JB |
6209 | |
6210 | void | |
6211 | syms_of_xterm () | |
6212 | { | |
ab648270 | 6213 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 6214 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
6215 | staticpro (&mouse_face_window); |
6216 | mouse_face_window = Qnil; | |
55123275 | 6217 | } |
c118dd06 JB |
6218 | #endif /* ! defined (HAVE_X11) */ |
6219 | #endif /* ! defined (HAVE_X_WINDOWS) */ |