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> | |
c118dd06 | 55 | #endif /* ! defined (BSD) */ |
dc6f92b8 | 56 | |
2d368234 | 57 | #include "systty.h" |
3a2712f9 | 58 | #include "systime.h" |
dc6f92b8 | 59 | |
b8009dd1 | 60 | #ifndef INCLUDED_FCNTL |
dc6f92b8 | 61 | #include <fcntl.h> |
b8009dd1 | 62 | #endif |
dc6f92b8 JB |
63 | #include <ctype.h> |
64 | #include <errno.h> | |
65 | #include <setjmp.h> | |
66 | #include <sys/stat.h> | |
67 | #include <sys/param.h> | |
68 | ||
69 | #include "dispextern.h" | |
70 | #include "termhooks.h" | |
71 | #include "termopts.h" | |
72 | #include "termchar.h" | |
73 | #if 0 | |
74 | #include "sink.h" | |
75 | #include "sinkmask.h" | |
c118dd06 | 76 | #endif /* ! 0 */ |
dc6f92b8 | 77 | #include "gnu.h" |
f676886a | 78 | #include "frame.h" |
dc6f92b8 | 79 | #include "disptab.h" |
dc6f92b8 | 80 | #include "buffer.h" |
f451eb13 | 81 | #include "window.h" |
3b2fa4e6 | 82 | #include "keyboard.h" |
bde7c500 | 83 | #include "intervals.h" |
dc6f92b8 | 84 | |
3afe33e7 RS |
85 | #ifdef USE_X_TOOLKIT |
86 | extern XtAppContext Xt_app_con; | |
87 | extern Widget Xt_app_shell; | |
9d7e2e3e | 88 | extern void free_frame_menubar (); |
c2df547c | 89 | extern void _XEditResCheckMessages (); |
3afe33e7 RS |
90 | #endif /* USE_X_TOOLKIT */ |
91 | ||
b849c413 RS |
92 | #ifndef USE_X_TOOLKIT |
93 | #define x_any_window_to_frame x_window_to_frame | |
5627c40e | 94 | #define x_top_window_to_frame x_window_to_frame |
b849c413 RS |
95 | #endif |
96 | ||
546e6d5b RS |
97 | #ifdef USE_X_TOOLKIT |
98 | #ifndef XtNinitialState | |
99 | #define XtNinitialState "initialState" | |
100 | #endif | |
101 | #endif | |
102 | ||
dc6f92b8 | 103 | #define XMapWindow XMapRaised /* Raise them when mapping. */ |
dc6f92b8 | 104 | |
c34efc6c JB |
105 | #ifdef FD_SET |
106 | /* We could get this from param.h, but better not to depend on finding that. | |
107 | And better not to risk that it might define other symbols used in this | |
108 | file. */ | |
109 | #ifdef FD_SETSIZE | |
110 | #define MAXDESC FD_SETSIZE | |
111 | #else | |
112 | #define MAXDESC 64 | |
113 | #endif | |
114 | #define SELECT_TYPE fd_set | |
115 | #else /* no FD_SET */ | |
116 | #define MAXDESC 32 | |
117 | #define SELECT_TYPE int | |
118 | ||
119 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
120 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
121 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
122 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
123 | #define FD_ZERO(p) (*(p) = 0) | |
124 | #endif /* no FD_SET */ | |
125 | ||
dc6f92b8 JB |
126 | /* For sending Meta-characters. Do we need this? */ |
127 | #define METABIT 0200 | |
128 | ||
129 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
130 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 131 | \f |
dc6f92b8 JB |
132 | /* Nonzero means we must reprint all windows |
133 | because 1) we received an ExposeWindow event | |
f451eb13 | 134 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 135 | |
f451eb13 | 136 | This is never needed under X11. */ |
dc6f92b8 JB |
137 | static int expose_all_windows; |
138 | ||
139 | /* Nonzero means we must reprint all icon windows. */ | |
140 | ||
141 | static int expose_all_icons; | |
142 | ||
dc6f92b8 JB |
143 | #if defined (SIGIO) && defined (FIONREAD) |
144 | int BLOCK_INPUT_mask; | |
c118dd06 | 145 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 146 | |
dc6f92b8 JB |
147 | /* Stuff for dealing with the main icon title. */ |
148 | ||
becadff8 KH |
149 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
150 | char *x_id_name; | |
dc6f92b8 | 151 | |
0ab983c8 RS |
152 | /* Initial values of argv and argc. */ |
153 | extern char **initial_argv; | |
154 | extern int initial_argc; | |
155 | ||
334208b7 RS |
156 | /* For now, we have just one x_display structure since we only support |
157 | one X display. */ | |
158 | static struct x_display_info the_x_screen; | |
dc6f92b8 | 159 | |
334208b7 RS |
160 | /* This is a chain of structures for all the X displays currently in use. */ |
161 | struct x_display_info *x_display_list; | |
dc6f92b8 | 162 | |
ab648270 JB |
163 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
164 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 165 | |
987d2ad1 | 166 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 167 | This is set by update_begin and looked at by all the |
dc6f92b8 | 168 | XT functions. It is zero while not inside an update. |
f676886a JB |
169 | In that case, the XT functions assume that `selected_frame' |
170 | is the frame to apply to. */ | |
d0386f2a | 171 | extern struct frame *updating_frame; |
dc6f92b8 | 172 | |
f676886a | 173 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
174 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
175 | that a mere EnterNotify event can set this; if you need to know the | |
176 | last frame specified in a FocusIn or FocusOut event, use | |
177 | x_focus_event_frame. */ | |
f676886a | 178 | struct frame *x_focus_frame; |
dc6f92b8 | 179 | |
0134a210 RS |
180 | /* This is a frame waiting to be autoraised, within XTread_socket. */ |
181 | struct frame *pending_autoraise_frame; | |
182 | ||
f451eb13 JB |
183 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
184 | separate from x_focus_frame, because whether or not LeaveNotify | |
185 | events cause us to lose focus depends on whether or not we have | |
186 | received a FocusIn event for it. */ | |
187 | struct frame *x_focus_event_frame; | |
188 | ||
f676886a JB |
189 | /* The frame which currently has the visual highlight, and should get |
190 | keyboard input (other sorts of input have the frame encoded in the | |
191 | event). It points to the X focus frame's selected window's | |
192 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 193 | minibuffer. */ |
f676886a | 194 | static struct frame *x_highlight_frame; |
6d4238f3 | 195 | |
dc6f92b8 | 196 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 197 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
198 | |
199 | static int warp_mouse_on_deiconify; | |
200 | ||
201 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
202 | ||
203 | static int flexlines; | |
204 | ||
205 | /* During an update, nonzero if chars output now should be highlighted. */ | |
206 | ||
207 | static int highlight; | |
208 | ||
209 | /* Nominal cursor position -- where to draw output. | |
210 | During an update, these are different from the cursor-box position. */ | |
211 | ||
212 | static int curs_x; | |
213 | static int curs_y; | |
214 | ||
11dd3d61 RS |
215 | /* Reusable Graphics Context for drawing a cursor in a non-default face. */ |
216 | static GC scratch_cursor_gc; | |
217 | ||
69388238 RS |
218 | /* Mouse movement. |
219 | ||
220 | In order to avoid asking for motion events and then throwing most | |
221 | of them away or busy-polling the server for mouse positions, we ask | |
222 | the server for pointer motion hints. This means that we get only | |
223 | one event per group of mouse movements. "Groups" are delimited by | |
224 | other kinds of events (focus changes and button clicks, for | |
225 | example), or by XQueryPointer calls; when one of these happens, we | |
226 | get another MotionNotify event the next time the mouse moves. This | |
227 | is at least as efficient as getting motion events when mouse | |
228 | tracking is on, and I suspect only negligibly worse when tracking | |
229 | is off. | |
230 | ||
231 | The silly O'Reilly & Associates Nutshell guides barely document | |
232 | pointer motion hints at all (I think you have to infer how they | |
233 | work from an example), and the description of XQueryPointer doesn't | |
234 | mention that calling it causes you to get another motion hint from | |
235 | the server, which is very important. */ | |
236 | ||
237 | /* Where the mouse was last time we reported a mouse event. */ | |
238 | static FRAME_PTR last_mouse_frame; | |
239 | static XRectangle last_mouse_glyph; | |
240 | ||
241 | /* The scroll bar in which the last X motion event occurred. | |
242 | ||
243 | If the last X motion event occurred in a scroll bar, we set this | |
244 | so XTmouse_position can know whether to report a scroll bar motion or | |
245 | an ordinary motion. | |
246 | ||
247 | If the last X motion event didn't occur in a scroll bar, we set this | |
248 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
249 | static Lisp_Object last_mouse_scroll_bar; | |
250 | ||
69388238 RS |
251 | /* This is a hack. We would really prefer that XTmouse_position would |
252 | return the time associated with the position it returns, but there | |
253 | doesn't seem to be any way to wrest the timestamp from the server | |
254 | along with the position query. So, we just keep track of the time | |
255 | of the last movement we received, and return that in hopes that | |
256 | it's somewhat accurate. */ | |
257 | static Time last_mouse_movement_time; | |
258 | ||
b8009dd1 RS |
259 | /* These variables describe the range of text currently shown |
260 | in its mouse-face, together with the window they apply to. | |
261 | As long as the mouse stays within this range, we need not | |
262 | redraw anything on its account. */ | |
3b506386 KH |
263 | static int mouse_face_beg_row, mouse_face_beg_col; |
264 | static int mouse_face_end_row, mouse_face_end_col; | |
4d73d038 | 265 | static int mouse_face_past_end; |
b8009dd1 RS |
266 | static Lisp_Object mouse_face_window; |
267 | static int mouse_face_face_id; | |
268 | ||
514e4681 RS |
269 | /* 1 if a mouse motion event came and we didn't handle it right away because |
270 | gc was in progress. */ | |
271 | static int mouse_face_deferred_gc; | |
272 | ||
27f338af RS |
273 | /* FRAME and X, Y position of mouse when last checked for |
274 | highlighting. X and Y can be negative or out of range for the frame. */ | |
b8009dd1 RS |
275 | static FRAME_PTR mouse_face_mouse_frame; |
276 | static int mouse_face_mouse_x, mouse_face_mouse_y; | |
277 | ||
278 | /* Nonzero means defer mouse-motion highlighting. */ | |
279 | static int mouse_face_defer; | |
280 | ||
c0a04927 RS |
281 | /* Incremented by XTread_socket whenever it really tries to read events. */ |
282 | #ifdef __STDC__ | |
283 | static int volatile input_signal_count; | |
284 | #else | |
285 | static int input_signal_count; | |
286 | #endif | |
287 | ||
dc6f92b8 JB |
288 | /* Tells if a window manager is present or not. */ |
289 | ||
290 | extern Lisp_Object Vx_no_window_manager; | |
291 | ||
292 | /* Timestamp that we requested selection data was made. */ | |
293 | extern Time requestor_time; | |
294 | ||
295 | /* ID of the window requesting selection data. */ | |
296 | extern Window requestor_window; | |
297 | ||
298 | /* Nonzero enables some debugging for the X interface code. */ | |
299 | extern int _Xdebug; | |
300 | ||
c2df547c | 301 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 302 | |
ef2a22d0 | 303 | static int x_noop_count; |
ef2a22d0 | 304 | |
dc6f92b8 JB |
305 | extern int errno; |
306 | ||
dfeccd2d | 307 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
308 | extern int extra_keyboard_modifiers; |
309 | ||
dc6f92b8 JB |
310 | extern Display *XOpenDisplay (); |
311 | extern Window XCreateWindow (); | |
312 | ||
313 | extern Cursor XCreateCursor (); | |
334208b7 RS |
314 | extern XFontStruct *XOpenFont (); |
315 | extern XrmDatabase x_load_resources (); | |
dc6f92b8 JB |
316 | |
317 | static void flashback (); | |
c83febd7 | 318 | static void redraw_previous_char (); |
0cdd0c9f | 319 | static void redraw_following_char (); |
3afe33e7 | 320 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 321 | |
55836b73 | 322 | static int fast_find_position (); |
b8009dd1 RS |
323 | static void note_mouse_highlight (); |
324 | static void clear_mouse_face (); | |
325 | static void show_mouse_face (); | |
58769bee | 326 | static void do_line_dance (); |
b8009dd1 | 327 | |
dc6f92b8 | 328 | void dumpborder (); |
4746118a JB |
329 | static int XTcursor_to (); |
330 | static int XTclear_end_of_line (); | |
334208b7 RS |
331 | \f |
332 | /* Return the struct x_display_info corresponding to DPY. */ | |
333 | ||
334 | struct x_display_info * | |
335 | x_display_info_for_display (dpy) | |
336 | Display *dpy; | |
337 | { | |
338 | struct x_display_info *dpyinfo; | |
339 | ||
340 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
341 | if (dpyinfo->display == dpy) | |
342 | return dpyinfo; | |
16bd92ea | 343 | |
334208b7 RS |
344 | return 0; |
345 | } | |
16bd92ea | 346 | \f |
58769bee | 347 | /* Starting and ending updates. |
f451eb13 JB |
348 | |
349 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
350 | of a frame update. We record in `updating_frame' the identity |
351 | of the frame being updated, so that the XT... functions do not | |
352 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 353 | should never be called except during an update, the only exceptions |
c83febd7 | 354 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 JB |
355 | |
356 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
357 | ||
358 | static | |
f676886a JB |
359 | XTupdate_begin (f) |
360 | struct frame *f; | |
58769bee | 361 | { |
dc6f92b8 JB |
362 | int mask; |
363 | ||
f676886a | 364 | if (f == 0) |
dc6f92b8 JB |
365 | abort (); |
366 | ||
f676886a | 367 | flexlines = f->height; |
dc6f92b8 JB |
368 | highlight = 0; |
369 | ||
dc6f92b8 | 370 | BLOCK_INPUT; |
b8009dd1 RS |
371 | |
372 | if (f == mouse_face_mouse_frame) | |
373 | { | |
514e4681 | 374 | /* Don't do highlighting for mouse motion during the update. */ |
b8009dd1 RS |
375 | mouse_face_defer = 1; |
376 | if (!NILP (mouse_face_window)) | |
514e4681 RS |
377 | { |
378 | int firstline, lastline, i; | |
379 | struct window *w = XWINDOW (mouse_face_window); | |
380 | ||
381 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
382 | for (firstline = 0; firstline < f->height; firstline++) | |
383 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
384 | break; | |
385 | ||
386 | lastline = f->height; | |
387 | for (i = f->height - 1; i >= 0; i--) | |
388 | { | |
389 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
390 | break; | |
391 | else | |
392 | lastline = i; | |
393 | } | |
394 | ||
395 | /* Can we tell that this update does not affect the window | |
396 | where the mouse highlight is? If so, no need to turn off. */ | |
397 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
398 | || lastline < XFASTINT (w->top))) | |
399 | /* Otherwise turn off the mouse highlight now. */ | |
400 | clear_mouse_face (); | |
401 | } | |
b8009dd1 | 402 | } |
6ccf47d1 | 403 | |
dc6f92b8 JB |
404 | UNBLOCK_INPUT; |
405 | } | |
406 | ||
dc6f92b8 | 407 | static |
f676886a JB |
408 | XTupdate_end (f) |
409 | struct frame *f; | |
58769bee | 410 | { |
dc6f92b8 JB |
411 | int mask; |
412 | ||
dc6f92b8 | 413 | BLOCK_INPUT; |
dc6f92b8 | 414 | |
58769bee | 415 | do_line_dance (); |
f676886a | 416 | x_display_cursor (f, 1); |
dc6f92b8 | 417 | |
b8009dd1 RS |
418 | if (f == mouse_face_mouse_frame) |
419 | mouse_face_defer = 0; | |
420 | #if 0 | |
421 | /* This fails in the case of having updated only the echo area | |
422 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
423 | has no relation to the current contents, and its charstarts | |
424 | have no relation to the contents of the window-buffer. | |
425 | I don't know a clean way to check | |
426 | for that case. window_end_valid isn't set up yet. */ | |
427 | if (f == mouse_face_mouse_frame) | |
428 | note_mouse_highlight (f, mouse_face_mouse_x, mouse_face_mouse_y); | |
429 | #endif | |
430 | ||
334208b7 | 431 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
432 | UNBLOCK_INPUT; |
433 | } | |
b8009dd1 | 434 | |
514e4681 | 435 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
436 | |
437 | static | |
438 | XTframe_up_to_date (f) | |
439 | FRAME_PTR f; | |
440 | { | |
514e4681 RS |
441 | if (mouse_face_deferred_gc || f == mouse_face_mouse_frame) |
442 | { | |
443 | note_mouse_highlight (mouse_face_mouse_frame, | |
444 | mouse_face_mouse_x, mouse_face_mouse_y); | |
445 | mouse_face_deferred_gc = 0; | |
446 | } | |
b8009dd1 | 447 | } |
dc6f92b8 JB |
448 | \f |
449 | /* External interface to control of standout mode. | |
450 | Call this when about to modify line at position VPOS | |
451 | and not change whether it is highlighted. */ | |
452 | ||
453 | XTreassert_line_highlight (new, vpos) | |
454 | int new, vpos; | |
455 | { | |
456 | highlight = new; | |
457 | } | |
458 | ||
459 | /* Call this when about to modify line at position VPOS | |
460 | and change whether it is highlighted. */ | |
461 | ||
462 | static | |
463 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
464 | int new_highlight, vpos, first_unused_hpos; | |
465 | { | |
466 | highlight = new_highlight; | |
467 | XTcursor_to (vpos, 0); | |
f676886a | 468 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
469 | } |
470 | ||
471 | /* This is used when starting Emacs and when restarting after suspend. | |
472 | When starting Emacs, no X window is mapped. And nothing must be done | |
473 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
474 | ||
475 | static | |
476 | XTset_terminal_modes () | |
477 | { | |
478 | } | |
479 | ||
480 | /* This is called when exiting or suspending Emacs. | |
481 | Exiting will make the X-windows go away, and suspending | |
482 | requires no action. */ | |
483 | ||
484 | static | |
485 | XTreset_terminal_modes () | |
486 | { | |
f676886a | 487 | /* XTclear_frame (); */ |
dc6f92b8 JB |
488 | } |
489 | \f | |
f451eb13 JB |
490 | /* Set the nominal cursor position of the frame. |
491 | This is where display update commands will take effect. | |
dc6f92b8 JB |
492 | This does not affect the place where the cursor-box is displayed. */ |
493 | ||
4746118a | 494 | static int |
dc6f92b8 JB |
495 | XTcursor_to (row, col) |
496 | register int row, col; | |
497 | { | |
498 | int mask; | |
499 | int orow = row; | |
500 | ||
501 | curs_x = col; | |
502 | curs_y = row; | |
503 | ||
f676886a | 504 | if (updating_frame == 0) |
dc6f92b8 JB |
505 | { |
506 | BLOCK_INPUT; | |
f676886a | 507 | x_display_cursor (selected_frame, 1); |
334208b7 | 508 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
509 | UNBLOCK_INPUT; |
510 | } | |
511 | } | |
512 | \f | |
513 | /* Display a sequence of N glyphs found at GP. | |
514 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
515 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
516 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
517 | JUST_FOREGROUND if 1 means draw only the foreground; |
518 | don't alter the background. | |
dc6f92b8 | 519 | |
07e34cb0 | 520 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 521 | |
07e34cb0 JB |
522 | Since the display generation code is responsible for calling |
523 | compute_char_face and compute_glyph_face on everything it puts in | |
524 | the display structure, we can assume that the face code on each | |
28f72798 | 525 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
526 | to which we can actually apply intern_face. |
527 | Call this function with input blocked. */ | |
dc6f92b8 | 528 | |
07e34cb0 JB |
529 | #if 1 |
530 | /* This is the multi-face code. */ | |
dc6f92b8 | 531 | |
dc6f92b8 | 532 | static void |
0cdd0c9f | 533 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 534 | struct frame *f; |
dc6f92b8 JB |
535 | int left, top; |
536 | register GLYPH *gp; /* Points to first GLYPH. */ | |
537 | register int n; /* Number of glyphs to display. */ | |
538 | int hl; | |
0cdd0c9f | 539 | int just_foreground; |
dc6f92b8 | 540 | { |
07e34cb0 JB |
541 | /* Holds characters to be displayed. */ |
542 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
543 | register char *cp; /* Steps through buf[]. */ |
544 | register int tlen = GLYPH_TABLE_LENGTH; | |
545 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 546 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 547 | int orig_left = left; |
dc6f92b8 | 548 | |
07e34cb0 | 549 | while (n > 0) |
dc6f92b8 JB |
550 | { |
551 | /* Get the face-code of the next GLYPH. */ | |
552 | int cf, len; | |
553 | int g = *gp; | |
554 | ||
07e34cb0 | 555 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 556 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
557 | |
558 | /* Find the run of consecutive glyphs with the same face-code. | |
559 | Extract their character codes into BUF. */ | |
560 | cp = buf; | |
561 | while (n > 0) | |
562 | { | |
563 | g = *gp; | |
07e34cb0 | 564 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 565 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
566 | break; |
567 | ||
6f63ba79 | 568 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
569 | --n; |
570 | ++gp; | |
571 | } | |
572 | ||
573 | /* LEN gets the length of the run. */ | |
574 | len = cp - buf; | |
575 | ||
576 | /* Now output this run of chars, with the font and pixel values | |
577 | determined by the face code CF. */ | |
07e34cb0 JB |
578 | { |
579 | struct face *face = FRAME_DEFAULT_FACE (f); | |
334208b7 | 580 | XFontStruct *font = FACE_FONT (face); |
07e34cb0 | 581 | GC gc = FACE_GC (face); |
990ba854 | 582 | int stippled = 0; |
07e34cb0 | 583 | |
b8009dd1 RS |
584 | /* HL = 3 means use a mouse face previously chosen. */ |
585 | if (hl == 3) | |
586 | cf = mouse_face_face_id; | |
587 | ||
b73b6aaf RS |
588 | /* First look at the face of the text itself. */ |
589 | if (cf != 0) | |
07e34cb0 | 590 | { |
a07d4bc5 RS |
591 | /* It's possible for the display table to specify |
592 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
593 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
594 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 595 | cf = 0; |
07e34cb0 JB |
596 | |
597 | if (cf == 1) | |
598 | face = FRAME_MODE_LINE_FACE (f); | |
599 | else | |
28f72798 | 600 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
601 | font = FACE_FONT (face); |
602 | gc = FACE_GC (face); | |
990ba854 RS |
603 | if (FACE_STIPPLE (face)) |
604 | stippled = 1; | |
07e34cb0 | 605 | } |
4a4dc352 JB |
606 | |
607 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
608 | else if (hl == 0) |
609 | ; | |
610 | else if (hl == 1) | |
611 | { | |
612 | face = FRAME_MODE_LINE_FACE (f); | |
613 | font = FACE_FONT (face); | |
614 | gc = FACE_GC (face); | |
990ba854 RS |
615 | if (FACE_STIPPLE (face)) |
616 | stippled = 1; | |
b73b6aaf RS |
617 | } |
618 | ||
619 | #define FACE_DEFAULT (~0) | |
620 | ||
621 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 622 | if (hl == 2) |
b73b6aaf | 623 | { |
990ba854 RS |
624 | /* The cursor overrides stippling. */ |
625 | stippled = 0; | |
626 | ||
11dd3d61 RS |
627 | if ((!face->font |
628 | || (int) face->font == FACE_DEFAULT | |
629 | || face->font == f->display.x->font) | |
630 | && face->background == f->display.x->background_pixel | |
631 | && face->foreground == f->display.x->foreground_pixel) | |
b5cf7a0e JB |
632 | { |
633 | gc = f->display.x->cursor_gc; | |
634 | } | |
635 | /* Cursor on non-default face: must merge. */ | |
636 | else | |
637 | { | |
638 | XGCValues xgcv; | |
639 | unsigned long mask; | |
640 | ||
641 | xgcv.background = f->display.x->cursor_pixel; | |
11dd3d61 | 642 | xgcv.foreground = face->background; |
df5a440b RS |
643 | /* If the glyph would be invisible, |
644 | try a different foreground. */ | |
645 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 646 | xgcv.foreground = face->foreground; |
df5a440b RS |
647 | if (xgcv.foreground == xgcv.background) |
648 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
649 | if (xgcv.foreground == xgcv.background) | |
650 | xgcv.foreground = face->foreground; | |
651 | /* Make sure the cursor is distinct from text in this face. */ | |
652 | if (xgcv.background == face->background | |
653 | && xgcv.foreground == face->foreground) | |
654 | { | |
655 | xgcv.background = face->foreground; | |
656 | xgcv.foreground = face->background; | |
657 | } | |
b5cf7a0e JB |
658 | xgcv.font = face->font->fid; |
659 | xgcv.graphics_exposures = 0; | |
660 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
11dd3d61 | 661 | if (scratch_cursor_gc) |
334208b7 | 662 | XChangeGC (FRAME_X_DISPLAY (f), scratch_cursor_gc, mask, &xgcv); |
11dd3d61 | 663 | else |
990ba854 | 664 | scratch_cursor_gc |
334208b7 | 665 | = XCreateGC (FRAME_X_DISPLAY (f), window, mask, &xgcv); |
11dd3d61 | 666 | gc = scratch_cursor_gc; |
b73b6aaf | 667 | #if 0 |
11dd3d61 RS |
668 | /* If this code is restored, it must also reset to the default stipple |
669 | if necessary. */ | |
b5cf7a0e | 670 | if (face->stipple && face->stipple != FACE_DEFAULT) |
334208b7 | 671 | XSetStipple (FRAME_X_DISPLAY (f), gc, face->stipple); |
b73b6aaf | 672 | #endif |
b5cf7a0e | 673 | } |
07e34cb0 | 674 | } |
07e34cb0 | 675 | |
b5cf7a0e JB |
676 | if ((int) font == FACE_DEFAULT) |
677 | font = f->display.x->font; | |
678 | ||
0cdd0c9f | 679 | if (just_foreground) |
334208b7 | 680 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
0cdd0c9f RS |
681 | left, top + FONT_BASE (font), buf, len); |
682 | else | |
683 | { | |
990ba854 RS |
684 | if (stippled) |
685 | { | |
686 | /* Turn stipple on. */ | |
687 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillOpaqueStippled); | |
688 | ||
689 | /* Draw stipple on background. */ | |
334208b7 | 690 | XFillRectangle (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
691 | left, top, |
692 | FONT_WIDTH (font) * len, | |
693 | FONT_HEIGHT (font)); | |
694 | ||
695 | /* Turn stipple off. */ | |
696 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillSolid); | |
697 | ||
698 | /* Draw the text, solidly, onto the stipple pattern. */ | |
334208b7 | 699 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
700 | left, top + FONT_BASE (font), buf, len); |
701 | } | |
702 | else | |
334208b7 | 703 | XDrawImageString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
704 | left, top + FONT_BASE (font), buf, len); |
705 | ||
0cdd0c9f RS |
706 | /* Clear the rest of the line's height. */ |
707 | if (f->display.x->line_height != FONT_HEIGHT (font)) | |
334208b7 | 708 | XClearArea (FRAME_X_DISPLAY (f), window, left, |
0cdd0c9f RS |
709 | top + FONT_HEIGHT (font), |
710 | FONT_WIDTH (font) * len, | |
711 | /* This is how many pixels of height | |
712 | we have to clear. */ | |
713 | f->display.x->line_height - FONT_HEIGHT (font), | |
714 | False); | |
715 | } | |
716 | ||
717 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
718 | which often is not up to date yet. */ | |
719 | if (!just_foreground) | |
720 | { | |
721 | if (left == orig_left) | |
722 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
723 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
724 | if (n == 0) | |
725 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
726 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
727 | } | |
728 | #endif | |
07e34cb0 JB |
729 | |
730 | /* We should probably check for XA_UNDERLINE_POSITION and | |
731 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
732 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 733 | { |
4a4dc352 | 734 | int underline_position = 1; |
07e34cb0 | 735 | |
4a4dc352 JB |
736 | if (font->descent <= underline_position) |
737 | underline_position = font->descent - 1; | |
07e34cb0 JB |
738 | |
739 | if (face->underline) | |
334208b7 | 740 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
07e34cb0 JB |
741 | FACE_GC (face), |
742 | left, (top | |
743 | + FONT_BASE (font) | |
744 | + underline_position), | |
745 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 746 | } |
07e34cb0 JB |
747 | |
748 | left += len * FONT_WIDTH (font); | |
749 | } | |
dc6f92b8 JB |
750 | } |
751 | } | |
07e34cb0 JB |
752 | #endif /* 1 */ |
753 | ||
754 | #if 0 | |
755 | /* This is the old single-face code. */ | |
756 | ||
757 | static void | |
758 | dumpglyphs (f, left, top, gp, n, hl, font) | |
759 | struct frame *f; | |
760 | int left, top; | |
761 | register GLYPH *gp; /* Points to first GLYPH. */ | |
762 | register int n; /* Number of glyphs to display. */ | |
763 | int hl; | |
334208b7 | 764 | XFontStruct *font; |
07e34cb0 JB |
765 | { |
766 | register int len; | |
767 | Window window = FRAME_X_WINDOW (f); | |
768 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
769 | : (hl ? f->display.x->reverse_gc | |
770 | : f->display.x->normal_gc)); | |
771 | ||
772 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
334208b7 | 773 | XDrawImageString16 (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
774 | left, top + FONT_BASE (font), (XChar2b *) gp, n); |
775 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
334208b7 | 776 | XDrawImageString (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
777 | left, top + FONT_BASE (font), (char *) gp, n); |
778 | else | |
779 | /* What size of glyph ARE you using? And does X have a function to | |
780 | draw them? */ | |
781 | abort (); | |
782 | } | |
783 | #endif | |
dc6f92b8 | 784 | \f |
f451eb13 JB |
785 | /* Output some text at the nominal frame cursor position. |
786 | Advance the cursor over the text. | |
dc6f92b8 JB |
787 | Output LEN glyphs at START. |
788 | ||
789 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
790 | controls the pixel values used for foreground and background. */ | |
791 | ||
792 | static | |
793 | XTwrite_glyphs (start, len) | |
794 | register GLYPH *start; | |
795 | int len; | |
796 | { | |
797 | register int temp_length; | |
798 | int mask; | |
f676886a | 799 | struct frame *f; |
dc6f92b8 JB |
800 | |
801 | BLOCK_INPUT; | |
802 | ||
58769bee | 803 | do_line_dance (); |
f676886a JB |
804 | f = updating_frame; |
805 | if (f == 0) | |
dc6f92b8 | 806 | { |
f676886a | 807 | f = selected_frame; |
dc6f92b8 | 808 | /* If not within an update, |
f676886a JB |
809 | output at the frame's visible cursor. */ |
810 | curs_x = f->cursor_x; | |
811 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
812 | } |
813 | ||
f676886a | 814 | dumpglyphs (f, |
12ba150f JB |
815 | CHAR_TO_PIXEL_COL (f, curs_x), |
816 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 817 | start, len, highlight, 0); |
90e65f07 JB |
818 | |
819 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
820 | if (curs_y == f->phys_cursor_y |
821 | && curs_x <= f->phys_cursor_x | |
822 | && curs_x + len > f->phys_cursor_x) | |
823 | f->phys_cursor_x = -1; | |
58769bee | 824 | |
f676886a | 825 | if (updating_frame == 0) |
dc6f92b8 | 826 | { |
f676886a JB |
827 | f->cursor_x += len; |
828 | x_display_cursor (f, 1); | |
829 | f->cursor_x -= len; | |
dc6f92b8 JB |
830 | } |
831 | else | |
832 | curs_x += len; | |
833 | ||
834 | UNBLOCK_INPUT; | |
835 | } | |
836 | \f | |
f451eb13 JB |
837 | /* Clear to the end of the line. |
838 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
839 | to column FIRST_UNUSED (exclusive). The idea is that everything |
840 | from FIRST_UNUSED onward is already erased. */ | |
58769bee | 841 | |
4746118a | 842 | static int |
dc6f92b8 JB |
843 | XTclear_end_of_line (first_unused) |
844 | register int first_unused; | |
845 | { | |
f676886a | 846 | struct frame *f = updating_frame; |
dc6f92b8 JB |
847 | int mask; |
848 | ||
f676886a | 849 | if (f == 0) |
dc6f92b8 JB |
850 | abort (); |
851 | ||
f676886a | 852 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
853 | return; |
854 | if (first_unused <= 0) | |
855 | return; | |
856 | ||
f676886a JB |
857 | if (first_unused >= f->width) |
858 | first_unused = f->width; | |
dc6f92b8 JB |
859 | |
860 | BLOCK_INPUT; | |
861 | ||
90e65f07 | 862 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
863 | if (curs_y == f->phys_cursor_y |
864 | && curs_x <= f->phys_cursor_x | |
865 | && f->phys_cursor_x < first_unused) | |
866 | f->phys_cursor_x = -1; | |
dc6f92b8 | 867 | |
334208b7 | 868 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
12ba150f JB |
869 | CHAR_TO_PIXEL_COL (f, curs_x), |
870 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 871 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 872 | f->display.x->line_height, False); |
c83febd7 | 873 | #if 0 |
0cdd0c9f | 874 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 875 | #endif |
dc6f92b8 JB |
876 | |
877 | UNBLOCK_INPUT; | |
878 | } | |
879 | ||
0cdd0c9f RS |
880 | static |
881 | XTclear_frame () | |
882 | { | |
883 | int mask; | |
884 | struct frame *f = updating_frame; | |
885 | ||
886 | if (f == 0) | |
887 | f = selected_frame; | |
888 | ||
889 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
890 | curs_x = 0; /* Nominal cursor position is top left. */ | |
891 | curs_y = 0; | |
58769bee | 892 | |
0cdd0c9f RS |
893 | BLOCK_INPUT; |
894 | ||
334208b7 | 895 | XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0cdd0c9f RS |
896 | |
897 | /* We have to clear the scroll bars, too. If we have changed | |
898 | colors or something like that, then they should be notified. */ | |
899 | x_scroll_bar_clear (f); | |
900 | ||
334208b7 | 901 | XFlush (FRAME_X_DISPLAY (f)); |
0cdd0c9f RS |
902 | UNBLOCK_INPUT; |
903 | } | |
904 | \f | |
905 | #if 0 | |
906 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
907 | always contain the right glyphs to use. | |
908 | ||
909 | It also needs to be changed to look at the details of the font and | |
910 | see whether there is really overlap, and do nothing when there is | |
911 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
912 | but just how to use them is not clear. */ | |
913 | ||
c83febd7 RS |
914 | /* Erase the character (if any) at the position just before X, Y in frame F, |
915 | then redraw it and the character before it. | |
916 | This is necessary when we erase starting at X, | |
f94397b5 KH |
917 | in case the character after X overlaps into the one before X. |
918 | Call this function with input blocked. */ | |
c83febd7 RS |
919 | |
920 | static void | |
0cdd0c9f | 921 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
922 | FRAME_PTR f; |
923 | int x, y; | |
0cdd0c9f | 924 | int highlight_flag; |
c83febd7 RS |
925 | { |
926 | /* Erase the character before the new ones, in case | |
927 | what was here before overlaps it. | |
928 | Reoutput that character, and the previous character | |
929 | (in case the previous character overlaps it). */ | |
930 | if (x > 0) | |
931 | { | |
932 | int start_x = x - 2; | |
933 | if (start_x < 0) | |
934 | start_x = 0; | |
334208b7 | 935 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
c83febd7 RS |
936 | CHAR_TO_PIXEL_COL (f, x - 1), |
937 | CHAR_TO_PIXEL_ROW (f, y), | |
938 | FONT_WIDTH (f->display.x->font), | |
a27f9f86 | 939 | f->display.x->line_height, False); |
c83febd7 RS |
940 | |
941 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
942 | CHAR_TO_PIXEL_ROW (f, y), | |
943 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 944 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
945 | } |
946 | } | |
947 | ||
0cdd0c9f RS |
948 | /* Erase the character (if any) at the position X, Y in frame F, |
949 | then redraw it and the character after it. | |
950 | This is necessary when we erase endng at X, | |
951 | in case the character after X overlaps into the one before X. | |
952 | Call this function with input blocked. */ | |
953 | ||
954 | static void | |
955 | redraw_following_char (f, x, y, highlight_flag) | |
956 | FRAME_PTR f; | |
957 | int x, y; | |
958 | int highlight_flag; | |
dc6f92b8 | 959 | { |
0cdd0c9f RS |
960 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
961 | /* Erase the character after the new ones, in case | |
962 | what was here before overlaps it. | |
963 | Reoutput that character, and the following character | |
964 | (in case the following character overlaps it). */ | |
965 | if (x < limit | |
966 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
967 | { | |
968 | int end_x = x + 2; | |
969 | if (end_x > limit) | |
970 | end_x = limit; | |
334208b7 | 971 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
972 | CHAR_TO_PIXEL_COL (f, x), |
973 | CHAR_TO_PIXEL_ROW (f, y), | |
974 | FONT_WIDTH (f->display.x->font), | |
975 | f->display.x->line_height, False); | |
dc6f92b8 | 976 | |
0cdd0c9f RS |
977 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
978 | CHAR_TO_PIXEL_ROW (f, y), | |
979 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
980 | end_x - x, highlight_flag, 1); | |
981 | } | |
982 | } | |
983 | #endif /* 0 */ | |
984 | \f | |
985 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 986 | |
0cdd0c9f | 987 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 988 | |
0cdd0c9f RS |
989 | static int |
990 | font_char_overlap_left (font, c) | |
991 | XFontStruct *font; | |
992 | int c; | |
993 | { | |
994 | XCharStruct *s; | |
dbc4e1c1 | 995 | |
0cdd0c9f RS |
996 | /* Find the bounding-box info for C. */ |
997 | if (font->per_char == 0) | |
998 | s = &font->max_bounds; | |
999 | else | |
1000 | { | |
1001 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1002 | int row, within; | |
58769bee | 1003 | |
0cdd0c9f RS |
1004 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
1005 | row = c >> 8; | |
1006 | within = c & 0177; | |
1007 | if (!(within >= font->min_char_or_byte2 | |
1008 | && within <= font->max_char_or_byte2 | |
1009 | && row >= font->min_byte1 | |
1010 | && row <= font->max_byte1)) | |
1011 | { | |
1012 | /* If char is out of range, try the font's default char instead. */ | |
1013 | c = font->default_char; | |
1014 | row = c >> (INTBITS - 8); | |
1015 | within = c & 0177; | |
1016 | } | |
1017 | if (!(within >= font->min_char_or_byte2 | |
1018 | && within <= font->max_char_or_byte2 | |
1019 | && row >= font->min_byte1 | |
1020 | && row <= font->max_byte1)) | |
1021 | /* Still out of range means this char does not overlap. */ | |
1022 | return 0; | |
1023 | else | |
1024 | /* We found the info for this char. */ | |
1025 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1026 | + row * rowlen); | |
1027 | } | |
dbc4e1c1 | 1028 | |
0cdd0c9f RS |
1029 | return (s && s->lbearing < 0); |
1030 | } | |
dbc4e1c1 | 1031 | |
0cdd0c9f RS |
1032 | /* Return 1 if character C in font F extends past its right edge. */ |
1033 | ||
1034 | static int | |
1035 | font_char_overlap_right (font, c) | |
1036 | XFontStruct *font; | |
1037 | int c; | |
1038 | { | |
1039 | XCharStruct *s; | |
1040 | ||
1041 | /* Find the bounding-box info for C. */ | |
1042 | if (font->per_char == 0) | |
1043 | s = &font->max_bounds; | |
1044 | else | |
1045 | { | |
1046 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1047 | int row, within; | |
58769bee | 1048 | |
0cdd0c9f RS |
1049 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
1050 | row = c >> 8; | |
1051 | within = c & 0177; | |
1052 | if (!(within >= font->min_char_or_byte2 | |
1053 | && within <= font->max_char_or_byte2 | |
1054 | && row >= font->min_byte1 | |
1055 | && row <= font->max_byte1)) | |
1056 | { | |
1057 | /* If char is out of range, try the font's default char instead. */ | |
1058 | c = font->default_char; | |
1059 | row = c >> (INTBITS - 8); | |
1060 | within = c & 0177; | |
1061 | } | |
1062 | if (!(within >= font->min_char_or_byte2 | |
1063 | && within <= font->max_char_or_byte2 | |
1064 | && row >= font->min_byte1 | |
1065 | && row <= font->max_byte1)) | |
1066 | /* Still out of range means this char does not overlap. */ | |
1067 | return 0; | |
1068 | else | |
1069 | /* We found the info for this char. */ | |
1070 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1071 | + row * rowlen); | |
1072 | } | |
1073 | ||
1074 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1075 | } |
0cdd0c9f | 1076 | #endif /* 0 */ |
dc6f92b8 | 1077 | \f |
dbc4e1c1 JB |
1078 | /* Invert the middle quarter of the frame for .15 sec. */ |
1079 | ||
1080 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1081 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1082 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1083 | ||
1084 | /* Subtract the `struct timeval' values X and Y, | |
1085 | storing the result in RESULT. | |
1086 | Return 1 if the difference is negative, otherwise 0. */ | |
1087 | ||
1088 | static int | |
1089 | timeval_subtract (result, x, y) | |
1090 | struct timeval *result, x, y; | |
1091 | { | |
1092 | /* Perform the carry for the later subtraction by updating y. | |
1093 | This is safer because on some systems | |
1094 | the tv_sec member is unsigned. */ | |
1095 | if (x.tv_usec < y.tv_usec) | |
1096 | { | |
1097 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1098 | y.tv_usec -= 1000000 * nsec; | |
1099 | y.tv_sec += nsec; | |
1100 | } | |
1101 | if (x.tv_usec - y.tv_usec > 1000000) | |
1102 | { | |
1103 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1104 | y.tv_usec += 1000000 * nsec; | |
1105 | y.tv_sec -= nsec; | |
1106 | } | |
1107 | ||
1108 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1109 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1110 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1111 | ||
1112 | /* Return indication of whether the result should be considered negative. */ | |
1113 | return x.tv_sec < y.tv_sec; | |
1114 | } | |
dc6f92b8 | 1115 | |
f676886a JB |
1116 | XTflash (f) |
1117 | struct frame *f; | |
dc6f92b8 | 1118 | { |
dbc4e1c1 | 1119 | BLOCK_INPUT; |
dc6f92b8 | 1120 | |
dbc4e1c1 JB |
1121 | { |
1122 | GC gc; | |
dc6f92b8 | 1123 | |
dbc4e1c1 JB |
1124 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1125 | into background pixels. */ | |
1126 | { | |
1127 | XGCValues values; | |
dc6f92b8 | 1128 | |
dbc4e1c1 JB |
1129 | values.function = GXxor; |
1130 | values.foreground = (f->display.x->foreground_pixel | |
1131 | ^ f->display.x->background_pixel); | |
58769bee | 1132 | |
334208b7 | 1133 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
1134 | GCFunction | GCForeground, &values); |
1135 | } | |
dc6f92b8 | 1136 | |
dbc4e1c1 JB |
1137 | { |
1138 | int width = PIXEL_WIDTH (f); | |
1139 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1140 | |
334208b7 | 1141 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1142 | width/4, height/4, width/2, height/2); |
334208b7 | 1143 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 1144 | |
dbc4e1c1 JB |
1145 | { |
1146 | struct timeval wakeup, now; | |
dc6f92b8 | 1147 | |
66c30ea1 | 1148 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1149 | |
dbc4e1c1 JB |
1150 | /* Compute time to wait until, propagating carry from usecs. */ |
1151 | wakeup.tv_usec += 150000; | |
1152 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1153 | wakeup.tv_usec %= 1000000; | |
1154 | ||
1155 | /* Keep waiting until past the time wakeup. */ | |
1156 | while (1) | |
1157 | { | |
1158 | struct timeval timeout; | |
1159 | ||
66c30ea1 | 1160 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1161 | |
1162 | /* In effect, timeout = wakeup - timeout. | |
1163 | Break if result would be negative. */ | |
1164 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1165 | break; | |
1166 | ||
1167 | /* Try to wait that long--but we might wake up sooner. */ | |
1168 | select (0, 0, 0, 0, &timeout); | |
1169 | } | |
1170 | } | |
58769bee | 1171 | |
334208b7 | 1172 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1173 | width/4, height/4, width/2, height/2); |
334208b7 RS |
1174 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
1175 | XFlush (FRAME_X_DISPLAY (f)); | |
dc6f92b8 | 1176 | } |
dbc4e1c1 JB |
1177 | } |
1178 | ||
1179 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1180 | } |
1181 | ||
dbc4e1c1 JB |
1182 | #endif |
1183 | ||
1184 | ||
dc6f92b8 JB |
1185 | /* Make audible bell. */ |
1186 | ||
334208b7 | 1187 | #define XRINGBELL XBell (FRAME_X_DISPLAY (selected_frame), 0) |
dc6f92b8 JB |
1188 | |
1189 | XTring_bell () | |
1190 | { | |
334208b7 | 1191 | if (FRAME_X_DISPLAY (selected_frame) == 0) |
5a6ef893 RS |
1192 | return; |
1193 | ||
dbc4e1c1 | 1194 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1195 | if (visible_bell) |
f676886a | 1196 | XTflash (selected_frame); |
dc6f92b8 | 1197 | else |
dbc4e1c1 | 1198 | #endif |
dc6f92b8 JB |
1199 | { |
1200 | BLOCK_INPUT; | |
1201 | XRINGBELL; | |
334208b7 | 1202 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
1203 | UNBLOCK_INPUT; |
1204 | } | |
1205 | } | |
1206 | \f | |
f451eb13 JB |
1207 | /* Insert and delete character. |
1208 | These are not supposed to be used because we are supposed to turn | |
1209 | off the feature of using them. */ | |
dc6f92b8 | 1210 | |
58769bee | 1211 | static |
dc6f92b8 JB |
1212 | XTinsert_glyphs (start, len) |
1213 | register char *start; | |
1214 | register int len; | |
1215 | { | |
1216 | abort (); | |
1217 | } | |
1218 | ||
58769bee | 1219 | static |
dc6f92b8 JB |
1220 | XTdelete_glyphs (n) |
1221 | register int n; | |
1222 | { | |
1223 | abort (); | |
1224 | } | |
1225 | \f | |
1226 | /* Specify how many text lines, from the top of the window, | |
1227 | should be affected by insert-lines and delete-lines operations. | |
1228 | This, and those operations, are used only within an update | |
1229 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1230 | ||
1231 | static | |
1232 | XTset_terminal_window (n) | |
1233 | register int n; | |
1234 | { | |
f676886a | 1235 | if (updating_frame == 0) |
dc6f92b8 JB |
1236 | abort (); |
1237 | ||
f676886a JB |
1238 | if ((n <= 0) || (n > updating_frame->height)) |
1239 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1240 | else |
1241 | flexlines = n; | |
1242 | } | |
1243 | \f | |
58769bee KH |
1244 | /* Array of line numbers from cached insert/delete operations. |
1245 | line_dance[i] is the old position of the line that we want | |
1246 | to move to line i, or -1 if we want a blank line there. */ | |
1247 | static int *line_dance; | |
dc6f92b8 | 1248 | |
58769bee KH |
1249 | /* Allocated length of that array. */ |
1250 | static int line_dance_len; | |
dc6f92b8 | 1251 | |
58769bee KH |
1252 | /* Flag indicating whether we've done any work. */ |
1253 | static int line_dance_in_progress; | |
dc6f92b8 | 1254 | |
58769bee KH |
1255 | /* Perform an insert-lines or delete-lines operation, |
1256 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1257 | XTins_del_lines (vpos, n) | |
1258 | int vpos, n; | |
dc6f92b8 | 1259 | { |
58769bee | 1260 | register int fence, i; |
dc6f92b8 | 1261 | |
58769bee | 1262 | if (vpos >= flexlines) |
dc6f92b8 JB |
1263 | return; |
1264 | ||
58769bee | 1265 | if (!line_dance_in_progress) |
dc6f92b8 | 1266 | { |
58769bee KH |
1267 | int ht = updating_frame->height; |
1268 | if (ht > line_dance_len) | |
1269 | { | |
1270 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); | |
1271 | line_dance_len = ht; | |
1272 | } | |
1273 | for (i = 0; i < ht; ++i) line_dance[i] = i; | |
1274 | line_dance_in_progress = 1; | |
1275 | } | |
1276 | if (n >= 0) | |
1277 | { | |
1278 | if (n > flexlines - vpos) | |
1279 | n = flexlines - vpos; | |
1280 | fence = vpos + n; | |
1281 | for (i = flexlines; --i >= fence;) | |
1282 | line_dance[i] = line_dance[i-n]; | |
1283 | for (i = fence; --i >= vpos;) | |
1284 | line_dance[i] = -1; | |
dc6f92b8 JB |
1285 | } |
1286 | else | |
1287 | { | |
58769bee KH |
1288 | n = -n; |
1289 | if (n > flexlines - vpos) | |
1290 | n = flexlines - vpos; | |
1291 | fence = flexlines - n; | |
1292 | for (i = vpos; i < fence; ++i) | |
1293 | line_dance[i] = line_dance[i + n]; | |
1294 | for (i = fence; i < flexlines; ++i) | |
1295 | line_dance[i] = -1; | |
dc6f92b8 JB |
1296 | } |
1297 | } | |
1298 | ||
58769bee KH |
1299 | /* Here's where we actually move the pixels around. |
1300 | Must be called with input blocked. */ | |
1301 | static void | |
1302 | do_line_dance () | |
dc6f92b8 | 1303 | { |
58769bee KH |
1304 | register int i, j, distance; |
1305 | register struct frame *f; | |
1306 | int ht; | |
1307 | int intborder; | |
1308 | ||
1309 | /* Must check this flag first. If it's not set, then not only is the | |
1310 | array uninitialized, but we might not even have a frame. */ | |
1311 | if (!line_dance_in_progress) | |
1312 | return; | |
1313 | ||
1314 | f = updating_frame; | |
1315 | if (f == 0) | |
dc6f92b8 JB |
1316 | abort (); |
1317 | ||
58769bee KH |
1318 | ht = f->height; |
1319 | intborder = f->display.x->internal_border_width; | |
1320 | ||
f676886a | 1321 | x_display_cursor (updating_frame, 0); |
dc6f92b8 | 1322 | |
58769bee KH |
1323 | for (i = 0; i < ht; ++i) |
1324 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) | |
1325 | { | |
1326 | for (j = i; (j < ht && line_dance[j] != -1 | |
1327 | && line_dance[j]-j == distance); ++j); | |
1328 | /* Copy [i,j) upward from [i+distance,j+distance) */ | |
334208b7 | 1329 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1330 | FRAME_X_WINDOW (f), f->display.x->normal_gc, |
1331 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), | |
1332 | f->width * FONT_WIDTH (f->display.x->font), | |
1333 | (j-i) * f->display.x->line_height, | |
1334 | intborder, CHAR_TO_PIXEL_ROW (f, i)); | |
1335 | i = j-1; | |
1336 | } | |
dc6f92b8 | 1337 | |
58769bee KH |
1338 | for (i = ht; --i >=0; ) |
1339 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) | |
1340 | { | |
1341 | for (j = i; (--j >= 0 && line_dance[j] != -1 | |
0ccf5d73 | 1342 | && line_dance[j]-j == distance);); |
58769bee | 1343 | /* Copy (j,i] downward from (j+distance, i+distance] */ |
334208b7 | 1344 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1345 | FRAME_X_WINDOW (f), f->display.x->normal_gc, |
1346 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), | |
1347 | f->width * FONT_WIDTH (f->display.x->font), | |
1348 | (i-j) * f->display.x->line_height, | |
1349 | intborder, CHAR_TO_PIXEL_ROW (f, j+1)); | |
1350 | i = j+1; | |
1351 | } | |
1352 | ||
1353 | for (i = 0; i < ht; ++i) | |
1354 | if (line_dance[i] == -1) | |
1355 | { | |
1356 | for (j = i; j < ht && line_dance[j] == -1; ++j); | |
1357 | /* Clear [i,j) */ | |
334208b7 | 1358 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1359 | intborder, CHAR_TO_PIXEL_ROW (f, i), |
1360 | f->width * FONT_WIDTH (f->display.x->font), | |
1361 | (j-i) * f->display.x->line_height, False); | |
1362 | i = j-1; | |
1363 | } | |
1364 | line_dance_in_progress = 0; | |
dc6f92b8 JB |
1365 | } |
1366 | \f | |
f451eb13 | 1367 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1368 | static void clear_cursor (); |
1369 | ||
f676886a JB |
1370 | /* Output into a rectangle of an X-window (for frame F) |
1371 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1372 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1373 | ROWS and COLS are the size of the rectangle. |
1374 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1375 | |
1376 | static void | |
f676886a JB |
1377 | dumprectangle (f, left, top, cols, rows) |
1378 | struct frame *f; | |
dc6f92b8 JB |
1379 | register int left, top, cols, rows; |
1380 | { | |
f676886a | 1381 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1382 | int cursor_cleared = 0; |
1383 | int bottom, right; | |
1384 | register int y; | |
1385 | ||
f676886a | 1386 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1387 | return; |
1388 | ||
dc6f92b8 JB |
1389 | /* Express rectangle as four edges, instead of position-and-size. */ |
1390 | bottom = top + rows; | |
1391 | right = left + cols; | |
58769bee | 1392 | |
dc6f92b8 JB |
1393 | /* Convert rectangle edges in pixels to edges in chars. |
1394 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1395 | top = PIXEL_TO_CHAR_ROW (f, top); |
1396 | left = PIXEL_TO_CHAR_COL (f, left); | |
a27f9f86 | 1397 | bottom += (f->display.x->line_height - 1); |
f676886a | 1398 | right += (FONT_WIDTH (f->display.x->font) - 1); |
12ba150f JB |
1399 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1400 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1401 | |
1402 | /* Clip the rectangle to what can be visible. */ | |
1403 | if (left < 0) | |
1404 | left = 0; | |
1405 | if (top < 0) | |
1406 | top = 0; | |
f676886a JB |
1407 | if (right > f->width) |
1408 | right = f->width; | |
1409 | if (bottom > f->height) | |
1410 | bottom = f->height; | |
dc6f92b8 JB |
1411 | |
1412 | /* Get size in chars of the rectangle. */ | |
1413 | cols = right - left; | |
1414 | rows = bottom - top; | |
1415 | ||
1416 | /* If rectangle has zero area, return. */ | |
1417 | if (rows <= 0) return; | |
1418 | if (cols <= 0) return; | |
1419 | ||
1420 | /* Turn off the cursor if it is in the rectangle. | |
1421 | We will turn it back on afterward. */ | |
f676886a JB |
1422 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1423 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1424 | { |
f676886a | 1425 | clear_cursor (f); |
dc6f92b8 JB |
1426 | cursor_cleared = 1; |
1427 | } | |
1428 | ||
1429 | /* Display the text in the rectangle, one text line at a time. */ | |
1430 | ||
1431 | for (y = top; y < bottom; y++) | |
1432 | { | |
f676886a | 1433 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1434 | |
f676886a | 1435 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1436 | continue; |
1437 | ||
f676886a | 1438 | dumpglyphs (f, |
12ba150f JB |
1439 | CHAR_TO_PIXEL_COL (f, left), |
1440 | CHAR_TO_PIXEL_ROW (f, y), | |
1441 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1442 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1443 | } |
1444 | ||
1445 | /* Turn the cursor on if we turned it off. */ | |
1446 | ||
1447 | if (cursor_cleared) | |
f676886a | 1448 | x_display_cursor (f, 1); |
dc6f92b8 | 1449 | } |
dc6f92b8 | 1450 | \f |
dc6f92b8 | 1451 | static void |
334208b7 RS |
1452 | frame_highlight (f) |
1453 | struct frame *f; | |
dc6f92b8 | 1454 | { |
b3e1e05c JB |
1455 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1456 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1457 | and border pixel are window attributes which are "private to the | |
1458 | client", so we can always change it to whatever we want. */ | |
1459 | BLOCK_INPUT; | |
334208b7 RS |
1460 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1461 | f->display.x->border_pixel); | |
b3e1e05c | 1462 | UNBLOCK_INPUT; |
334208b7 | 1463 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1464 | } |
1465 | ||
1466 | static void | |
334208b7 RS |
1467 | frame_unhighlight (f) |
1468 | struct frame *f; | |
dc6f92b8 | 1469 | { |
b3e1e05c JB |
1470 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1471 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1472 | and border pixel are window attributes which are "private to the | |
1473 | client", so we can always change it to whatever we want. */ | |
1474 | BLOCK_INPUT; | |
334208b7 RS |
1475 | XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1476 | f->display.x->border_tile); | |
b3e1e05c | 1477 | UNBLOCK_INPUT; |
334208b7 | 1478 | x_display_cursor (f, 1); |
dc6f92b8 | 1479 | } |
dc6f92b8 | 1480 | |
f676886a | 1481 | static void XTframe_rehighlight (); |
6d4238f3 | 1482 | |
f676886a JB |
1483 | /* The focus has changed. Update the frames as necessary to reflect |
1484 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1485 | here, because the lisp code we are interrupting might become confused. |
eb8c3be9 | 1486 | Each event gets marked with the frame in which it occurred, so the |
6d4238f3 | 1487 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1488 | |
6d4238f3 | 1489 | static void |
f676886a JB |
1490 | x_new_focus_frame (frame) |
1491 | struct frame *frame; | |
dc6f92b8 | 1492 | { |
f676886a | 1493 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1494 | int events_enqueued = 0; |
1495 | ||
f676886a | 1496 | if (frame != x_focus_frame) |
dc6f92b8 | 1497 | { |
58769bee | 1498 | /* Set this before calling other routines, so that they see |
f676886a JB |
1499 | the correct value of x_focus_frame. */ |
1500 | x_focus_frame = frame; | |
6d4238f3 JB |
1501 | |
1502 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1503 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1504 | |
1505 | #if 0 | |
f676886a | 1506 | selected_frame = frame; |
e0c1aef2 KH |
1507 | XSETFRAME (XWINDOW (selected_frame->selected_window)->frame, |
1508 | selected_frame); | |
f676886a JB |
1509 | Fselect_window (selected_frame->selected_window); |
1510 | choose_minibuf_frame (); | |
c118dd06 | 1511 | #endif /* ! 0 */ |
dc6f92b8 | 1512 | |
f676886a | 1513 | if (x_focus_frame && x_focus_frame->auto_raise) |
0134a210 RS |
1514 | pending_autoraise_frame = x_focus_frame; |
1515 | else | |
1516 | pending_autoraise_frame = 0; | |
6d4238f3 | 1517 | } |
dc6f92b8 | 1518 | |
f676886a | 1519 | XTframe_rehighlight (); |
6d4238f3 JB |
1520 | } |
1521 | ||
1522 | ||
f451eb13 JB |
1523 | /* The focus has changed, or we have redirected a frame's focus to |
1524 | another frame (this happens when a frame uses a surrogate | |
1525 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1526 | static void |
f676886a | 1527 | XTframe_rehighlight () |
6d4238f3 | 1528 | { |
f676886a | 1529 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1530 | |
f676886a | 1531 | if (x_focus_frame) |
6d4238f3 | 1532 | { |
f451eb13 | 1533 | x_highlight_frame = |
ab648270 | 1534 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1535 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1536 | : x_focus_frame); | |
1537 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1538 | { | |
1539 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1540 | x_highlight_frame = x_focus_frame; | |
1541 | } | |
dc6f92b8 | 1542 | } |
6d4238f3 | 1543 | else |
f676886a | 1544 | x_highlight_frame = 0; |
dc6f92b8 | 1545 | |
f676886a | 1546 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1547 | { |
1548 | if (old_highlight) | |
f676886a JB |
1549 | frame_unhighlight (old_highlight); |
1550 | if (x_highlight_frame) | |
1551 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1552 | } |
dc6f92b8 JB |
1553 | } |
1554 | \f | |
e4571a43 | 1555 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1556 | |
28430d3c JB |
1557 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1558 | static void | |
334208b7 RS |
1559 | x_find_modifier_meanings (dpyinfo) |
1560 | struct x_display_info *dpyinfo; | |
28430d3c | 1561 | { |
f689eb05 | 1562 | int min_code, max_code; |
28430d3c JB |
1563 | KeySym *syms; |
1564 | int syms_per_code; | |
1565 | XModifierKeymap *mods; | |
1566 | ||
334208b7 RS |
1567 | dpyinfo->meta_mod_mask = 0; |
1568 | dpyinfo->shift_lock_mask = 0; | |
1569 | dpyinfo->alt_mod_mask = 0; | |
1570 | dpyinfo->super_mod_mask = 0; | |
1571 | dpyinfo->hyper_mod_mask = 0; | |
58769bee | 1572 | |
9658a521 | 1573 | #ifdef HAVE_X11R4 |
334208b7 | 1574 | XDisplayKeycodes (dpyinfo->display, &min_code, &max_code); |
9658a521 | 1575 | #else |
334208b7 RS |
1576 | min_code = display->min_keycode; |
1577 | max_code = display->max_keycode; | |
9658a521 JB |
1578 | #endif |
1579 | ||
334208b7 | 1580 | syms = XGetKeyboardMapping (dpyinfo->display, |
28430d3c JB |
1581 | min_code, max_code - min_code + 1, |
1582 | &syms_per_code); | |
334208b7 | 1583 | mods = XGetModifierMapping (dpyinfo->display); |
28430d3c | 1584 | |
58769bee | 1585 | /* Scan the modifier table to see which modifier bits the Meta and |
11edeb03 | 1586 | Alt keysyms are on. */ |
28430d3c JB |
1587 | { |
1588 | int row, col; /* The row and column in the modifier table. */ | |
1589 | ||
1590 | for (row = 3; row < 8; row++) | |
1591 | for (col = 0; col < mods->max_keypermod; col++) | |
1592 | { | |
1593 | KeyCode code = | |
1594 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1595 | ||
af92970c KH |
1596 | /* Zeroes are used for filler. Skip them. */ |
1597 | if (code == 0) | |
1598 | continue; | |
1599 | ||
28430d3c JB |
1600 | /* Are any of this keycode's keysyms a meta key? */ |
1601 | { | |
1602 | int code_col; | |
1603 | ||
1604 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1605 | { | |
f689eb05 | 1606 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1607 | |
f689eb05 | 1608 | switch (sym) |
28430d3c | 1609 | { |
f689eb05 JB |
1610 | case XK_Meta_L: |
1611 | case XK_Meta_R: | |
334208b7 | 1612 | dpyinfo->meta_mod_mask |= (1 << row); |
28430d3c | 1613 | break; |
f689eb05 JB |
1614 | |
1615 | case XK_Alt_L: | |
1616 | case XK_Alt_R: | |
334208b7 | 1617 | dpyinfo->alt_mod_mask |= (1 << row); |
a3c44b14 RS |
1618 | break; |
1619 | ||
1620 | case XK_Hyper_L: | |
1621 | case XK_Hyper_R: | |
334208b7 | 1622 | dpyinfo->hyper_mod_mask |= (1 << row); |
a3c44b14 RS |
1623 | break; |
1624 | ||
1625 | case XK_Super_L: | |
1626 | case XK_Super_R: | |
334208b7 | 1627 | dpyinfo->super_mod_mask |= (1 << row); |
f689eb05 | 1628 | break; |
11edeb03 JB |
1629 | |
1630 | case XK_Shift_Lock: | |
1631 | /* Ignore this if it's not on the lock modifier. */ | |
1632 | if ((1 << row) == LockMask) | |
334208b7 | 1633 | dpyinfo->shift_lock_mask = LockMask; |
11edeb03 | 1634 | break; |
28430d3c JB |
1635 | } |
1636 | } | |
1637 | } | |
1638 | } | |
1639 | } | |
1640 | ||
f689eb05 | 1641 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
334208b7 | 1642 | if (! dpyinfo->meta_mod_mask) |
a3c44b14 | 1643 | { |
334208b7 RS |
1644 | dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask; |
1645 | dpyinfo->alt_mod_mask = 0; | |
a3c44b14 | 1646 | } |
f689eb05 | 1647 | |
148c4b70 RS |
1648 | /* If some keys are both alt and meta, |
1649 | make them just meta, not alt. */ | |
334208b7 | 1650 | if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask) |
148c4b70 | 1651 | { |
334208b7 | 1652 | dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask; |
148c4b70 | 1653 | } |
58769bee | 1654 | |
28430d3c | 1655 | XFree ((char *) syms); |
f689eb05 | 1656 | XFreeModifiermap (mods); |
28430d3c JB |
1657 | } |
1658 | ||
dfeccd2d JB |
1659 | /* Convert between the modifier bits X uses and the modifier bits |
1660 | Emacs uses. */ | |
7c5283e4 | 1661 | static unsigned int |
334208b7 RS |
1662 | x_x_to_emacs_modifiers (dpyinfo, state) |
1663 | struct x_display_info *dpyinfo; | |
dc6f92b8 JB |
1664 | unsigned int state; |
1665 | { | |
334208b7 RS |
1666 | return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0) |
1667 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
1668 | | ((state & dpyinfo->meta_mod_mask) ? meta_modifier : 0) | |
1669 | | ((state & dpyinfo->alt_mod_mask) ? alt_modifier : 0) | |
1670 | | ((state & dpyinfo->super_mod_mask) ? super_modifier : 0) | |
1671 | | ((state & dpyinfo->hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1672 | } |
1673 | ||
dfeccd2d | 1674 | static unsigned int |
334208b7 RS |
1675 | x_emacs_to_x_modifiers (dpyinfo, state) |
1676 | struct x_display_info *dpyinfo; | |
dfeccd2d JB |
1677 | unsigned int state; |
1678 | { | |
334208b7 RS |
1679 | return ( ((state & alt_modifier) ? dpyinfo->alt_mod_mask : 0) |
1680 | | ((state & super_modifier) ? dpyinfo->super_mod_mask : 0) | |
1681 | | ((state & hyper_modifier) ? dpyinfo->hyper_mod_mask : 0) | |
1682 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1683 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1684 | | ((state & meta_modifier) ? dpyinfo->meta_mod_mask : 0)); | |
dfeccd2d | 1685 | } |
e4571a43 JB |
1686 | \f |
1687 | /* Mouse clicks and mouse movement. Rah. */ | |
e4571a43 JB |
1688 | |
1689 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1690 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1691 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1692 | If NOCLIP is nonzero, do not force the value into range. */ | |
1693 | ||
c8dba240 | 1694 | void |
69388238 | 1695 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1696 | FRAME_PTR f; |
69388238 | 1697 | register int pix_x, pix_y; |
e4571a43 JB |
1698 | register int *x, *y; |
1699 | XRectangle *bounds; | |
69388238 | 1700 | int noclip; |
e4571a43 | 1701 | { |
69388238 RS |
1702 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1703 | even for negative values. */ | |
1704 | if (pix_x < 0) | |
1705 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1706 | if (pix_y < 0) | |
a27f9f86 | 1707 | pix_y -= (f)->display.x->line_height - 1; |
69388238 | 1708 | |
e4571a43 JB |
1709 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1710 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1711 | ||
1712 | if (bounds) | |
1713 | { | |
1714 | bounds->width = FONT_WIDTH (f->display.x->font); | |
a27f9f86 | 1715 | bounds->height = f->display.x->line_height; |
e4571a43 JB |
1716 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1717 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1718 | } | |
1719 | ||
69388238 RS |
1720 | if (!noclip) |
1721 | { | |
1722 | if (pix_x < 0) | |
1723 | pix_x = 0; | |
1724 | else if (pix_x > f->width) | |
1725 | pix_x = f->width; | |
1726 | ||
1727 | if (pix_y < 0) | |
1728 | pix_y = 0; | |
1729 | else if (pix_y > f->height) | |
1730 | pix_y = f->height; | |
1731 | } | |
e4571a43 JB |
1732 | |
1733 | *x = pix_x; | |
1734 | *y = pix_y; | |
1735 | } | |
1736 | ||
2b5c9e71 RS |
1737 | void |
1738 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1739 | FRAME_PTR f; | |
1740 | register int x, y; | |
1741 | register int *pix_x, *pix_y; | |
1742 | { | |
1743 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1744 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1745 | } | |
1746 | ||
dc6f92b8 JB |
1747 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1748 | ||
1749 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1750 | the mouse. */ |
dc6f92b8 JB |
1751 | |
1752 | static Lisp_Object | |
f451eb13 | 1753 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1754 | struct input_event *result; |
1755 | XButtonEvent *event; | |
f676886a | 1756 | struct frame *f; |
dc6f92b8 | 1757 | { |
f451eb13 | 1758 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1759 | otherwise. */ |
f451eb13 | 1760 | result->kind = mouse_click; |
69388238 | 1761 | result->code = event->button - Button1; |
1113d9db | 1762 | result->timestamp = event->time; |
334208b7 RS |
1763 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1764 | event->state) | |
f689eb05 | 1765 | | (event->type == ButtonRelease |
58769bee | 1766 | ? up_modifier |
f689eb05 | 1767 | : down_modifier)); |
dc6f92b8 | 1768 | |
f451eb13 JB |
1769 | { |
1770 | int row, column; | |
dc6f92b8 | 1771 | |
2b5c9e71 | 1772 | #if 0 |
69388238 | 1773 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
90e1eb6f KH |
1774 | XSETFASTINT (result->x, column); |
1775 | XSETFASTINT (result->y, row); | |
2b5c9e71 | 1776 | #endif |
e0c1aef2 KH |
1777 | XSETINT (result->x, event->x); |
1778 | XSETINT (result->y, event->y); | |
1779 | XSETFRAME (result->frame_or_window, f); | |
f451eb13 | 1780 | } |
dc6f92b8 | 1781 | } |
b849c413 RS |
1782 | |
1783 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
1784 | ||
1785 | static Lisp_Object | |
1786 | construct_menu_click (result, event, f) | |
1787 | struct input_event *result; | |
1788 | XButtonEvent *event; | |
1789 | struct frame *f; | |
1790 | { | |
1791 | /* Make the event type no_event; we'll change that when we decide | |
1792 | otherwise. */ | |
1793 | result->kind = mouse_click; | |
e0c1aef2 | 1794 | XSETINT (result->code, event->button - Button1); |
b849c413 | 1795 | result->timestamp = event->time; |
334208b7 RS |
1796 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1797 | event->state) | |
b849c413 | 1798 | | (event->type == ButtonRelease |
58769bee | 1799 | ? up_modifier |
b849c413 RS |
1800 | : down_modifier)); |
1801 | ||
e0c1aef2 KH |
1802 | XSETINT (result->x, event->x); |
1803 | XSETINT (result->y, -1); | |
1804 | XSETFRAME (result->frame_or_window, f); | |
b849c413 | 1805 | } |
69388238 | 1806 | \f |
90e65f07 JB |
1807 | /* Function to report a mouse movement to the mainstream Emacs code. |
1808 | The input handler calls this. | |
1809 | ||
1810 | We have received a mouse movement event, which is given in *event. | |
1811 | If the mouse is over a different glyph than it was last time, tell | |
1812 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1813 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 1814 | |
90e65f07 | 1815 | static void |
12ba150f | 1816 | note_mouse_movement (frame, event) |
f676886a | 1817 | FRAME_PTR frame; |
90e65f07 JB |
1818 | XMotionEvent *event; |
1819 | ||
1820 | { | |
e5d77022 JB |
1821 | last_mouse_movement_time = event->time; |
1822 | ||
27f338af RS |
1823 | if (event->window != FRAME_X_WINDOW (frame)) |
1824 | { | |
1825 | mouse_moved = 1; | |
1826 | last_mouse_scroll_bar = Qnil; | |
1827 | ||
1828 | note_mouse_highlight (frame, -1, -1); | |
1829 | ||
1830 | /* Ask for another mouse motion event. */ | |
1831 | { | |
1832 | int dummy; | |
847e150a | 1833 | Window dummy_window; |
27f338af RS |
1834 | |
1835 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), | |
847e150a | 1836 | &dummy_window, &dummy_window, |
27f338af RS |
1837 | &dummy, &dummy, &dummy, &dummy, |
1838 | (unsigned int *) &dummy); | |
1839 | } | |
1840 | } | |
1841 | ||
90e65f07 | 1842 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
1843 | else if (event->x < last_mouse_glyph.x |
1844 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1845 | || event->y < last_mouse_glyph.y | |
1846 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1847 | { |
1848 | mouse_moved = 1; | |
ab648270 | 1849 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
1850 | |
1851 | note_mouse_highlight (frame, event->x, event->y); | |
1852 | ||
1853 | /* Ask for another mouse motion event. */ | |
1854 | { | |
1855 | int dummy; | |
847e150a | 1856 | Window dummy_window; |
b8009dd1 | 1857 | |
27f338af | 1858 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1859 | &dummy_window, &dummy_window, |
b8009dd1 RS |
1860 | &dummy, &dummy, &dummy, &dummy, |
1861 | (unsigned int *) &dummy); | |
1862 | } | |
12ba150f | 1863 | } |
90e65f07 JB |
1864 | else |
1865 | { | |
1866 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1867 | event the next time the mouse moves and we can see if it's | |
1868 | *still* on the same glyph. */ | |
1869 | int dummy; | |
847e150a | 1870 | Window dummy_window; |
58769bee | 1871 | |
27f338af | 1872 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1873 | &dummy_window, &dummy_window, |
90e65f07 JB |
1874 | &dummy, &dummy, &dummy, &dummy, |
1875 | (unsigned int *) &dummy); | |
1876 | } | |
1877 | } | |
1878 | ||
bf1c0ba1 RS |
1879 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
1880 | static int disable_mouse_highlight; | |
1881 | ||
b8009dd1 RS |
1882 | /* Take proper action when the mouse has moved to position X, Y on frame F |
1883 | as regards highlighting characters that have mouse-face properties. | |
27f338af RS |
1884 | Also dehighlighting chars where the mouse was before. |
1885 | X and Y can be negative or out of range. */ | |
b8009dd1 RS |
1886 | |
1887 | static void | |
1888 | note_mouse_highlight (f, x, y) | |
1889 | FRAME_PTR f; | |
1890 | { | |
1891 | int row, column, portion; | |
1892 | XRectangle new_glyph; | |
1893 | Lisp_Object window; | |
1894 | struct window *w; | |
1895 | ||
bf1c0ba1 RS |
1896 | if (disable_mouse_highlight) |
1897 | return; | |
1898 | ||
b8009dd1 RS |
1899 | mouse_face_mouse_x = x; |
1900 | mouse_face_mouse_y = y; | |
1901 | mouse_face_mouse_frame = f; | |
1902 | ||
1903 | if (mouse_face_defer) | |
1904 | return; | |
1905 | ||
514e4681 RS |
1906 | if (gc_in_progress) |
1907 | { | |
1908 | mouse_face_deferred_gc = 1; | |
1909 | return; | |
1910 | } | |
1911 | ||
b8009dd1 RS |
1912 | /* Find out which glyph the mouse is on. */ |
1913 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
334208b7 | 1914 | &new_glyph, FRAME_X_DISPLAY_INFO (f)->grabbed); |
b8009dd1 RS |
1915 | |
1916 | /* Which window is that in? */ | |
1917 | window = window_from_coordinates (f, column, row, &portion); | |
1918 | w = XWINDOW (window); | |
1919 | ||
1920 | /* If we were displaying active text in another window, clear that. */ | |
1921 | if (! EQ (window, mouse_face_window)) | |
1922 | clear_mouse_face (); | |
1923 | ||
0cdd0c9f RS |
1924 | /* Are we in a window whose display is up to date? |
1925 | And verify the buffer's text has not changed. */ | |
27f338af RS |
1926 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
1927 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
0cdd0c9f RS |
1928 | && EQ (w->window_end_valid, w->buffer) |
1929 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
1930 | { |
1931 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
1932 | int i, pos; | |
1933 | ||
1934 | /* Find which buffer position the mouse corresponds to. */ | |
1935 | for (i = column; i >= 0; i--) | |
1936 | if (ptr[i] > 0) | |
1937 | break; | |
1938 | pos = ptr[i]; | |
1939 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 KH |
1940 | if (pos <= 0) |
1941 | clear_mouse_face (); | |
1942 | else if (! (EQ (window, mouse_face_window) | |
3b506386 KH |
1943 | && row >= mouse_face_beg_row |
1944 | && row <= mouse_face_end_row | |
1945 | && (row > mouse_face_beg_row || column >= mouse_face_beg_col) | |
4d73d038 RS |
1946 | && (row < mouse_face_end_row || column < mouse_face_end_col |
1947 | || mouse_face_past_end))) | |
b8009dd1 RS |
1948 | { |
1949 | Lisp_Object mouse_face, overlay, position; | |
1950 | Lisp_Object *overlay_vec; | |
1951 | int len, noverlays, ignor1; | |
f8bdb8e6 | 1952 | struct buffer *obuf; |
e444162e | 1953 | int obegv, ozv; |
f8bdb8e6 | 1954 | |
e444162e RS |
1955 | /* If we get an out-of-range value, return now; avoid an error. */ |
1956 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 1957 | return; |
b8009dd1 | 1958 | |
09fe4c31 RS |
1959 | /* Make the window's buffer temporarily current for |
1960 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 1961 | obuf = current_buffer; |
09fe4c31 | 1962 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
1963 | obegv = BEGV; |
1964 | ozv = ZV; | |
1965 | BEGV = BEG; | |
1966 | ZV = Z; | |
09fe4c31 | 1967 | |
b8009dd1 RS |
1968 | /* Yes. Clear the display of the old active region, if any. */ |
1969 | clear_mouse_face (); | |
1970 | ||
1971 | /* Is this char mouse-active? */ | |
e0c1aef2 | 1972 | XSETINT (position, pos); |
b8009dd1 RS |
1973 | |
1974 | len = 10; | |
1975 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
1976 | ||
1977 | /* Put all the overlays we want in a vector in overlay_vec. | |
1978 | Store the length in len. */ | |
7965883b RS |
1979 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, |
1980 | NULL, NULL); | |
09fe4c31 | 1981 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
1982 | |
1983 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
1984 | overlay = Qnil; | |
1985 | for (i = 0; i < noverlays; i++) | |
1986 | { | |
1987 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
1988 | if (!NILP (mouse_face)) | |
1989 | { | |
1990 | overlay = overlay_vec[i]; | |
1991 | break; | |
1992 | } | |
1993 | } | |
1994 | free (overlay_vec); | |
1995 | /* If no overlay applies, get a text property. */ | |
1996 | if (NILP (overlay)) | |
1997 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
1998 | ||
1999 | /* Handle the overlay case. */ | |
2000 | if (! NILP (overlay)) | |
2001 | { | |
2002 | /* Find the range of text around this char that | |
2003 | should be active. */ | |
2004 | Lisp_Object before, after; | |
2005 | int ignore; | |
2006 | ||
2007 | before = Foverlay_start (overlay); | |
2008 | after = Foverlay_end (overlay); | |
2009 | /* Record this as the current active region. */ | |
4d73d038 RS |
2010 | fast_find_position (window, before, &mouse_face_beg_col, |
2011 | &mouse_face_beg_row); | |
2012 | mouse_face_past_end | |
2013 | = !fast_find_position (window, after, &mouse_face_end_col, | |
2014 | &mouse_face_end_row); | |
b8009dd1 RS |
2015 | mouse_face_window = window; |
2016 | mouse_face_face_id = compute_char_face (f, w, pos, 0, 0, | |
2017 | &ignore, pos + 1, 1); | |
2018 | ||
2019 | /* Display it as active. */ | |
2020 | show_mouse_face (1); | |
2021 | } | |
2022 | /* Handle the text property case. */ | |
2023 | else if (! NILP (mouse_face)) | |
2024 | { | |
2025 | /* Find the range of text around this char that | |
2026 | should be active. */ | |
2027 | Lisp_Object before, after, beginning, end; | |
2028 | int ignore; | |
2029 | ||
2030 | beginning = Fmarker_position (w->start); | |
e0c1aef2 KH |
2031 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) |
2032 | - XFASTINT (w->window_end_pos))); | |
b8009dd1 RS |
2033 | before |
2034 | = Fprevious_single_property_change (make_number (pos + 1), | |
2035 | Qmouse_face, | |
2036 | w->buffer, beginning); | |
2037 | after | |
2038 | = Fnext_single_property_change (position, Qmouse_face, | |
2039 | w->buffer, end); | |
2040 | /* Record this as the current active region. */ | |
4d73d038 RS |
2041 | fast_find_position (window, before, &mouse_face_beg_col, |
2042 | &mouse_face_beg_row); | |
2043 | mouse_face_past_end | |
2044 | = !fast_find_position (window, after, &mouse_face_end_col, | |
2045 | &mouse_face_end_row); | |
b8009dd1 RS |
2046 | mouse_face_window = window; |
2047 | mouse_face_face_id | |
2048 | = compute_char_face (f, w, pos, 0, 0, | |
2049 | &ignore, pos + 1, 1); | |
2050 | ||
2051 | /* Display it as active. */ | |
2052 | show_mouse_face (1); | |
2053 | } | |
e444162e RS |
2054 | BEGV = obegv; |
2055 | ZV = ozv; | |
09fe4c31 | 2056 | current_buffer = obuf; |
b8009dd1 | 2057 | } |
b8009dd1 RS |
2058 | } |
2059 | } | |
2060 | \f | |
2061 | /* Find the row and column of position POS in window WINDOW. | |
2062 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2063 | This assumes display in WINDOW is up to date. |
2064 | If POS is above start of WINDOW, return coords | |
2065 | of start of first screen line. | |
4d73d038 RS |
2066 | If POS is after end of WINDOW, return coords of end of last screen line. |
2067 | ||
2068 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
b8009dd1 RS |
2069 | |
2070 | static int | |
2071 | fast_find_position (window, pos, columnp, rowp) | |
2072 | Lisp_Object window; | |
2073 | int pos; | |
2074 | int *columnp, *rowp; | |
2075 | { | |
2076 | struct window *w = XWINDOW (window); | |
2077 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2078 | int i; | |
4d73d038 | 2079 | int row = 0; |
b8009dd1 RS |
2080 | int left = w->left; |
2081 | int top = w->top; | |
2082 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2083 | int width = window_internal_width (w); | |
2084 | int *charstarts; | |
bf1c0ba1 | 2085 | int lastcol; |
b8009dd1 | 2086 | |
4d73d038 | 2087 | /* Find the right row. */ |
b8009dd1 RS |
2088 | for (i = 0; |
2089 | i < height; | |
2090 | i++) | |
2091 | { | |
2092 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2093 | if (linestart > pos) | |
2094 | break; | |
2095 | if (linestart > 0) | |
2096 | row = i; | |
2097 | } | |
2098 | ||
4d73d038 | 2099 | /* Find the right column with in it. */ |
b8009dd1 | 2100 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
bf1c0ba1 | 2101 | lastcol = left; |
b8009dd1 | 2102 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2103 | { |
2104 | if (charstarts[left + i] == pos) | |
2105 | { | |
2106 | *rowp = row + top; | |
2107 | *columnp = i + left; | |
2108 | return 1; | |
2109 | } | |
2110 | else if (charstarts[left + i] > pos) | |
4d73d038 RS |
2111 | break; |
2112 | else if (charstarts[left + i] > 0) | |
bf1c0ba1 RS |
2113 | lastcol = left + i; |
2114 | } | |
b8009dd1 | 2115 | |
bf1c0ba1 RS |
2116 | *rowp = row + top; |
2117 | *columnp = lastcol; | |
b8009dd1 RS |
2118 | return 0; |
2119 | } | |
2120 | ||
2121 | /* Display the active region described by mouse_face_* | |
2122 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2123 | ||
2124 | static void | |
2125 | show_mouse_face (hl) | |
2126 | int hl; | |
2127 | { | |
b8009dd1 RS |
2128 | struct window *w = XWINDOW (mouse_face_window); |
2129 | int width = window_internal_width (w); | |
2130 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2131 | int i; | |
514e4681 | 2132 | int cursor_off = 0; |
fb3b7de5 RS |
2133 | int old_curs_x = curs_x; |
2134 | int old_curs_y = curs_y; | |
2135 | ||
2136 | /* Set these variables temporarily | |
2137 | so that if we have to turn the cursor off and on again | |
2138 | we will put it back at the same place. */ | |
2139 | curs_x = f->phys_cursor_x; | |
2140 | curs_y = f->phys_cursor_y; | |
b8009dd1 | 2141 | |
3b506386 | 2142 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) |
b8009dd1 | 2143 | { |
3b506386 KH |
2144 | int column = (i == mouse_face_beg_row ? mouse_face_beg_col : w->left); |
2145 | int endcolumn = (i == mouse_face_end_row ? mouse_face_end_col : w->left + width); | |
6f4c2453 | 2146 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
514e4681 RS |
2147 | |
2148 | /* If the cursor's in the text we are about to rewrite, | |
2149 | turn the cursor off. */ | |
2150 | if (i == curs_y | |
3b506386 | 2151 | && curs_x >= mouse_face_beg_col - 1 && curs_x <= mouse_face_end_col) |
514e4681 RS |
2152 | { |
2153 | x_display_cursor (f, 0); | |
2154 | cursor_off = 1; | |
2155 | } | |
b8009dd1 RS |
2156 | |
2157 | dumpglyphs (f, | |
2158 | CHAR_TO_PIXEL_COL (f, column), | |
2159 | CHAR_TO_PIXEL_ROW (f, i), | |
2160 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2161 | endcolumn - column, | |
2162 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2163 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2164 | } |
2165 | ||
514e4681 RS |
2166 | /* If we turned the cursor off, turn it back on. */ |
2167 | if (cursor_off) | |
2168 | x_display_cursor (f, 1); | |
27ead1d5 | 2169 | |
fb3b7de5 RS |
2170 | curs_x = old_curs_x; |
2171 | curs_y = old_curs_y; | |
2172 | ||
27ead1d5 FP |
2173 | /* Change the mouse cursor according to the value of HL. */ |
2174 | if (hl > 0) | |
334208b7 RS |
2175 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
2176 | f->display.x->cross_cursor); | |
27ead1d5 | 2177 | else |
334208b7 RS |
2178 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
2179 | f->display.x->text_cursor); | |
b8009dd1 RS |
2180 | } |
2181 | ||
2182 | /* Clear out the mouse-highlighted active region. | |
2183 | Redraw it unhighlighted first. */ | |
2184 | ||
2185 | static void | |
2186 | clear_mouse_face () | |
2187 | { | |
2188 | if (! NILP (mouse_face_window)) | |
2189 | show_mouse_face (0); | |
2190 | ||
3b506386 KH |
2191 | mouse_face_beg_row = mouse_face_beg_col = -1; |
2192 | mouse_face_end_row = mouse_face_end_col = -1; | |
b8009dd1 RS |
2193 | mouse_face_window = Qnil; |
2194 | } | |
2195 | \f | |
ab648270 JB |
2196 | static struct scroll_bar *x_window_to_scroll_bar (); |
2197 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2198 | |
90e65f07 JB |
2199 | /* Return the current position of the mouse. |
2200 | ||
ab648270 JB |
2201 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
2202 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 2203 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2204 | position on the scroll bar. |
12ba150f JB |
2205 | |
2206 | If the mouse movement started elsewhere, set *f to the frame the | |
2207 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2208 | the mouse is over. | |
2209 | ||
2210 | Set *time to the server timestamp for the time at which the mouse | |
2211 | was at this position. | |
2212 | ||
a135645a RS |
2213 | Don't store anything if we don't have a valid set of values to report. |
2214 | ||
90e65f07 | 2215 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2216 | movement. This also calls XQueryPointer, which will cause the |
2217 | server to give us another MotionNotify when the mouse moves | |
2218 | again. */ | |
90e65f07 JB |
2219 | |
2220 | static void | |
334208b7 RS |
2221 | XTmouse_position (fp, bar_window, part, x, y, time) |
2222 | FRAME_PTR *fp; | |
12ba150f | 2223 | Lisp_Object *bar_window; |
ab648270 | 2224 | enum scroll_bar_part *part; |
90e65f07 | 2225 | Lisp_Object *x, *y; |
e5d77022 | 2226 | unsigned long *time; |
90e65f07 | 2227 | { |
a135645a RS |
2228 | FRAME_PTR f1; |
2229 | ||
90e65f07 JB |
2230 | BLOCK_INPUT; |
2231 | ||
ab648270 | 2232 | if (! NILP (last_mouse_scroll_bar)) |
334208b7 | 2233 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
90e65f07 JB |
2234 | else |
2235 | { | |
12ba150f JB |
2236 | Window root; |
2237 | int root_x, root_y; | |
90e65f07 | 2238 | |
12ba150f JB |
2239 | Window dummy_window; |
2240 | int dummy; | |
2241 | ||
2242 | mouse_moved = 0; | |
ab648270 | 2243 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2244 | |
2245 | /* Figure out which root window we're on. */ | |
334208b7 RS |
2246 | XQueryPointer (FRAME_X_DISPLAY (*fp), |
2247 | DefaultRootWindow (FRAME_X_DISPLAY (*fp)), | |
12ba150f JB |
2248 | |
2249 | /* The root window which contains the pointer. */ | |
2250 | &root, | |
2251 | ||
2252 | /* Trash which we can't trust if the pointer is on | |
2253 | a different screen. */ | |
2254 | &dummy_window, | |
2255 | ||
2256 | /* The position on that root window. */ | |
58769bee | 2257 | &root_x, &root_y, |
12ba150f JB |
2258 | |
2259 | /* More trash we can't trust. */ | |
2260 | &dummy, &dummy, | |
2261 | ||
2262 | /* Modifier keys and pointer buttons, about which | |
2263 | we don't care. */ | |
2264 | (unsigned int *) &dummy); | |
2265 | ||
2266 | /* Now we have a position on the root; find the innermost window | |
2267 | containing the pointer. */ | |
2268 | { | |
2269 | Window win, child; | |
2270 | int win_x, win_y; | |
2271 | int parent_x, parent_y; | |
2272 | ||
2273 | win = root; | |
69388238 | 2274 | |
334208b7 | 2275 | if (FRAME_X_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
23faf38f | 2276 | && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 2277 | { |
69388238 RS |
2278 | /* If mouse was grabbed on a frame, give coords for that frame |
2279 | even if the mouse is now outside it. */ | |
334208b7 | 2280 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
69388238 | 2281 | |
12ba150f | 2282 | /* From-window, to-window. */ |
69388238 | 2283 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2284 | |
2285 | /* From-position, to-position. */ | |
2286 | root_x, root_y, &win_x, &win_y, | |
2287 | ||
2288 | /* Child of win. */ | |
2289 | &child); | |
69388238 RS |
2290 | f1 = last_mouse_frame; |
2291 | } | |
2292 | else | |
2293 | { | |
2294 | while (1) | |
2295 | { | |
334208b7 | 2296 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
12ba150f | 2297 | |
69388238 RS |
2298 | /* From-window, to-window. */ |
2299 | root, win, | |
12ba150f | 2300 | |
69388238 RS |
2301 | /* From-position, to-position. */ |
2302 | root_x, root_y, &win_x, &win_y, | |
2303 | ||
2304 | /* Child of win. */ | |
2305 | &child); | |
2306 | ||
2307 | if (child == None) | |
2308 | break; | |
2309 | ||
2310 | win = child; | |
2311 | parent_x = win_x; | |
2312 | parent_y = win_y; | |
2313 | } | |
12ba150f | 2314 | |
69388238 RS |
2315 | /* Now we know that: |
2316 | win is the innermost window containing the pointer | |
2317 | (XTC says it has no child containing the pointer), | |
2318 | win_x and win_y are the pointer's position in it | |
2319 | (XTC did this the last time through), and | |
2320 | parent_x and parent_y are the pointer's position in win's parent. | |
2321 | (They are what win_x and win_y were when win was child. | |
2322 | If win is the root window, it has no parent, and | |
2323 | parent_{x,y} are invalid, but that's okay, because we'll | |
2324 | never use them in that case.) */ | |
2325 | ||
2326 | /* Is win one of our frames? */ | |
2b5c9e71 | 2327 | f1 = x_any_window_to_frame (win); |
69388238 | 2328 | } |
58769bee | 2329 | |
ab648270 | 2330 | /* If not, is it one of our scroll bars? */ |
a135645a | 2331 | if (! f1) |
12ba150f | 2332 | { |
ab648270 | 2333 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2334 | |
2335 | if (bar) | |
2336 | { | |
a135645a | 2337 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2338 | win_x = parent_x; |
2339 | win_y = parent_y; | |
2340 | } | |
2341 | } | |
90e65f07 | 2342 | |
a135645a | 2343 | if (f1) |
12ba150f | 2344 | { |
2b5c9e71 RS |
2345 | int ignore1, ignore2; |
2346 | ||
2347 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2348 | |
2b5c9e71 | 2349 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
334208b7 RS |
2350 | &last_mouse_glyph, |
2351 | FRAME_X_DISPLAY_INFO (f1)->grabbed); | |
12ba150f JB |
2352 | |
2353 | *bar_window = Qnil; | |
2354 | *part = 0; | |
334208b7 | 2355 | *fp = f1; |
e0c1aef2 KH |
2356 | XSETINT (*x, win_x); |
2357 | XSETINT (*y, win_y); | |
12ba150f JB |
2358 | *time = last_mouse_movement_time; |
2359 | } | |
2360 | } | |
2361 | } | |
90e65f07 JB |
2362 | |
2363 | UNBLOCK_INPUT; | |
2364 | } | |
c118dd06 | 2365 | \f |
ab648270 | 2366 | /* Scroll bar support. */ |
f451eb13 | 2367 | |
ab648270 JB |
2368 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2369 | This can be called in GC, so we have to make sure to strip off mark | |
2370 | bits. */ | |
2371 | static struct scroll_bar * | |
2372 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2373 | Window window_id; |
2374 | { | |
2375 | Lisp_Object tail, frame; | |
f451eb13 | 2376 | |
ab648270 JB |
2377 | for (tail = Vframe_list; |
2378 | XGCTYPE (tail) == Lisp_Cons; | |
2379 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2380 | { |
abdda982 | 2381 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2382 | |
abdda982 | 2383 | frame = XCONS (tail)->car; |
f451eb13 | 2384 | /* All elements of Vframe_list should be frames. */ |
ab648270 | 2385 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
2386 | abort (); |
2387 | ||
ab648270 | 2388 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2389 | right window ID. */ |
ab648270 JB |
2390 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2391 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2392 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2393 | condemned scroll bar lists with one loop. */ |
2394 | ! GC_NILP (bar) || (bar = condemned, | |
2395 | condemned = Qnil, | |
2396 | ! GC_NILP (bar)); | |
bc20ebbf | 2397 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2398 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2399 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2400 | } |
2401 | ||
2402 | return 0; | |
2403 | } | |
2404 | ||
ab648270 JB |
2405 | /* Open a new X window to serve as a scroll bar, and return the |
2406 | scroll bar vector for it. */ | |
2407 | static struct scroll_bar * | |
2408 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2409 | struct window *window; |
f451eb13 JB |
2410 | int top, left, width, height; |
2411 | { | |
334208b7 RS |
2412 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
2413 | struct scroll_bar *bar | |
2414 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2415 | |
2416 | BLOCK_INPUT; | |
2417 | ||
2418 | { | |
2419 | XSetWindowAttributes a; | |
2420 | unsigned long mask; | |
334208b7 | 2421 | a.background_pixel = f->display.x->background_pixel; |
12ba150f | 2422 | a.event_mask = (ButtonPressMask | ButtonReleaseMask |
9a572e2a | 2423 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2424 | | ExposureMask); |
ab648270 | 2425 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 2426 | |
dbc4e1c1 | 2427 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2428 | |
3afe33e7 RS |
2429 | #if 0 |
2430 | ||
2431 | ac = 0; | |
2432 | XtSetArg (al[ac], XtNx, left); ac++; | |
2433 | XtSetArg (al[ac], XtNy, top); ac++; | |
2434 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2435 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2436 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2437 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 | 2438 | boxWidgetClass, |
334208b7 | 2439 | f->display.x->edit_widget, al, ac); |
7246d1d3 | 2440 | SET_SCROLL_BAR_X_WINDOW |
3afe33e7 | 2441 | (bar, sb_widget->core.window); |
58769bee | 2442 | #endif |
7246d1d3 | 2443 | SET_SCROLL_BAR_X_WINDOW |
58769bee | 2444 | (bar, |
334208b7 | 2445 | XCreateWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f451eb13 | 2446 | |
ab648270 | 2447 | /* Position and size of scroll bar. */ |
12ba150f | 2448 | left, top, width, height, |
f451eb13 | 2449 | |
12ba150f JB |
2450 | /* Border width, depth, class, and visual. */ |
2451 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2452 | |
12ba150f JB |
2453 | /* Attributes. */ |
2454 | mask, &a)); | |
f451eb13 JB |
2455 | } |
2456 | ||
e0c1aef2 KH |
2457 | XSETWINDOW (bar->window, window); |
2458 | XSETINT (bar->top, top); | |
2459 | XSETINT (bar->left, left); | |
2460 | XSETINT (bar->width, width); | |
2461 | XSETINT (bar->height, height); | |
2462 | XSETINT (bar->start, 0); | |
2463 | XSETINT (bar->end, 0); | |
12ba150f | 2464 | bar->dragging = Qnil; |
f451eb13 JB |
2465 | |
2466 | /* Add bar to its frame's list of scroll bars. */ | |
334208b7 | 2467 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2468 | bar->prev = Qnil; |
334208b7 | 2469 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2470 | if (! NILP (bar->next)) |
e0c1aef2 | 2471 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
f451eb13 | 2472 | |
334208b7 | 2473 | XMapWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2474 | |
2475 | UNBLOCK_INPUT; | |
12ba150f JB |
2476 | |
2477 | return bar; | |
f451eb13 JB |
2478 | } |
2479 | ||
12ba150f JB |
2480 | /* Draw BAR's handle in the proper position. |
2481 | If the handle is already drawn from START to END, don't bother | |
2482 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2483 | redraw it. (REBUILD is handy for drawing the handle after expose | |
58769bee | 2484 | events.) |
12ba150f JB |
2485 | |
2486 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2487 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2488 | handle, we want to let them drag it down all the way, so that the |
2489 | bar's top is as far down as it goes; otherwise, there's no way to | |
2490 | move to the very end of the buffer. */ | |
f451eb13 | 2491 | static void |
ab648270 JB |
2492 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2493 | struct scroll_bar *bar; | |
f451eb13 | 2494 | int start, end; |
12ba150f | 2495 | int rebuild; |
f451eb13 | 2496 | { |
12ba150f | 2497 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2498 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 RS |
2499 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2500 | GC gc = f->display.x->normal_gc; | |
12ba150f JB |
2501 | |
2502 | /* If the display is already accurate, do nothing. */ | |
2503 | if (! rebuild | |
2504 | && start == XINT (bar->start) | |
2505 | && end == XINT (bar->end)) | |
2506 | return; | |
2507 | ||
f451eb13 JB |
2508 | BLOCK_INPUT; |
2509 | ||
2510 | { | |
ab648270 JB |
2511 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2512 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2513 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2514 | |
2515 | /* Make sure the values are reasonable, and try to preserve | |
2516 | the distance between start and end. */ | |
12ba150f JB |
2517 | { |
2518 | int length = end - start; | |
2519 | ||
2520 | if (start < 0) | |
2521 | start = 0; | |
2522 | else if (start > top_range) | |
2523 | start = top_range; | |
2524 | end = start + length; | |
2525 | ||
2526 | if (end < start) | |
2527 | end = start; | |
2528 | else if (end > top_range && ! dragging) | |
2529 | end = top_range; | |
2530 | } | |
f451eb13 | 2531 | |
ab648270 | 2532 | /* Store the adjusted setting in the scroll bar. */ |
e0c1aef2 KH |
2533 | XSETINT (bar->start, start); |
2534 | XSETINT (bar->end, end); | |
f451eb13 | 2535 | |
12ba150f JB |
2536 | /* Clip the end position, just for display. */ |
2537 | if (end > top_range) | |
2538 | end = top_range; | |
f451eb13 | 2539 | |
ab648270 | 2540 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2541 | below top positions, to make sure the handle is always at least |
2542 | that many pixels tall. */ | |
ab648270 | 2543 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2544 | |
12ba150f JB |
2545 | /* Draw the empty space above the handle. Note that we can't clear |
2546 | zero-height areas; that means "clear to end of window." */ | |
2547 | if (0 < start) | |
334208b7 | 2548 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2549 | |
12ba150f | 2550 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2551 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2552 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2553 | inside_width, start, |
2554 | False); | |
f451eb13 | 2555 | |
12ba150f | 2556 | /* Draw the handle itself. */ |
334208b7 | 2557 | XFillRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 | 2558 | |
12ba150f | 2559 | /* x, y, width, height */ |
ab648270 JB |
2560 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2561 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2562 | inside_width, end - start); |
f451eb13 | 2563 | |
f451eb13 | 2564 | |
12ba150f JB |
2565 | /* Draw the empty space below the handle. Note that we can't |
2566 | clear zero-height areas; that means "clear to end of window." */ | |
2567 | if (end < inside_height) | |
334208b7 | 2568 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2569 | |
12ba150f | 2570 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2571 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2572 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2573 | inside_width, inside_height - end, |
2574 | False); | |
f451eb13 | 2575 | |
f451eb13 JB |
2576 | } |
2577 | ||
f451eb13 JB |
2578 | UNBLOCK_INPUT; |
2579 | } | |
2580 | ||
eb8c3be9 | 2581 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2582 | window configurations. */ |
f451eb13 | 2583 | static void |
ab648270 JB |
2584 | x_scroll_bar_move (bar, top, left, width, height) |
2585 | struct scroll_bar *bar; | |
f451eb13 JB |
2586 | int top, left, width, height; |
2587 | { | |
334208b7 RS |
2588 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2589 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2590 | ||
f451eb13 JB |
2591 | BLOCK_INPUT; |
2592 | ||
2593 | { | |
2594 | XWindowChanges wc; | |
2595 | unsigned int mask = 0; | |
2596 | ||
2597 | wc.x = left; | |
2598 | wc.y = top; | |
2599 | wc.width = width; | |
2600 | wc.height = height; | |
2601 | ||
12ba150f JB |
2602 | if (left != XINT (bar->left)) mask |= CWX; |
2603 | if (top != XINT (bar->top)) mask |= CWY; | |
2604 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2605 | if (height != XINT (bar->height)) mask |= CWHeight; | |
58769bee | 2606 | |
12ba150f | 2607 | if (mask) |
334208b7 | 2608 | XConfigureWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2609 | mask, &wc); |
f451eb13 JB |
2610 | } |
2611 | ||
e0c1aef2 KH |
2612 | XSETINT (bar->left, left); |
2613 | XSETINT (bar->top, top); | |
2614 | XSETINT (bar->width, width); | |
2615 | XSETINT (bar->height, height); | |
12ba150f | 2616 | |
f451eb13 JB |
2617 | UNBLOCK_INPUT; |
2618 | } | |
2619 | ||
ab648270 | 2620 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2621 | to nil. */ |
2622 | static void | |
ab648270 JB |
2623 | x_scroll_bar_remove (bar) |
2624 | struct scroll_bar *bar; | |
12ba150f JB |
2625 | { |
2626 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2627 | ||
2628 | BLOCK_INPUT; | |
2629 | ||
2630 | /* Destroy the window. */ | |
334208b7 | 2631 | XDestroyWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2632 | |
ab648270 JB |
2633 | /* Disassociate this scroll bar from its window. */ |
2634 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2635 | |
2636 | UNBLOCK_INPUT; | |
2637 | } | |
2638 | ||
2639 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2640 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2641 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2642 | create one. */ |
2643 | static void | |
ab648270 | 2644 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2645 | struct window *window; |
2646 | int portion, whole, position; | |
2647 | { | |
2648 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2649 | int top = XINT (window->top); |
ab648270 JB |
2650 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2651 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2652 | |
ab648270 | 2653 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2654 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2655 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
b2cad826 KH |
2656 | int pixel_width |
2657 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
2658 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
2659 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->display.x->font))); | |
ab648270 | 2660 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); |
f451eb13 | 2661 | |
ab648270 | 2662 | struct scroll_bar *bar; |
12ba150f | 2663 | |
ab648270 JB |
2664 | /* Does the scroll bar exist yet? */ |
2665 | if (NILP (window->vertical_scroll_bar)) | |
2666 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2667 | pixel_top, pixel_left, |
2668 | pixel_width, pixel_height); | |
2669 | else | |
12ba150f JB |
2670 | { |
2671 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2672 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2673 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2674 | } |
f451eb13 | 2675 | |
ab648270 | 2676 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2677 | dragged. */ |
12ba150f | 2678 | if (NILP (bar->dragging)) |
f451eb13 | 2679 | { |
12ba150f | 2680 | int top_range = |
ab648270 | 2681 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2682 | |
12ba150f | 2683 | if (whole == 0) |
ab648270 | 2684 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2685 | else |
2686 | { | |
43f868f5 JB |
2687 | int start = ((double) position * top_range) / whole; |
2688 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2689 | |
ab648270 | 2690 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2691 | } |
f451eb13 JB |
2692 | } |
2693 | ||
e0c1aef2 | 2694 | XSETVECTOR (window->vertical_scroll_bar, bar); |
f451eb13 JB |
2695 | } |
2696 | ||
12ba150f | 2697 | |
f451eb13 | 2698 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2699 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2700 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2701 | away is a real pain - "Can you say set-window-configuration, boys |
2702 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2703 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2704 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2705 | |
ab648270 JB |
2706 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2707 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2708 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
58769bee | 2709 | static void |
ab648270 | 2710 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2711 | FRAME_PTR frame; |
2712 | { | |
12ba150f JB |
2713 | /* The condemned list should be empty at this point; if it's not, |
2714 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2715 | protocol correctly. */ | |
ab648270 | 2716 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2717 | abort (); |
2718 | ||
2719 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2720 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2721 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2722 | } |
2723 | ||
ab648270 | 2724 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2725 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2726 | static void |
ab648270 | 2727 | XTredeem_scroll_bar (window) |
12ba150f | 2728 | struct window *window; |
f451eb13 | 2729 | { |
ab648270 | 2730 | struct scroll_bar *bar; |
12ba150f | 2731 | |
ab648270 JB |
2732 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2733 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2734 | abort (); |
2735 | ||
ab648270 | 2736 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2737 | |
2738 | /* Unlink it from the condemned list. */ | |
2739 | { | |
2740 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2741 | ||
2742 | if (NILP (bar->prev)) | |
2743 | { | |
2744 | /* If the prev pointer is nil, it must be the first in one of | |
2745 | the lists. */ | |
ab648270 | 2746 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2747 | /* It's not condemned. Everything's fine. */ |
2748 | return; | |
ab648270 JB |
2749 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2750 | window->vertical_scroll_bar)) | |
2751 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2752 | else |
2753 | /* If its prev pointer is nil, it must be at the front of | |
2754 | one or the other! */ | |
2755 | abort (); | |
2756 | } | |
2757 | else | |
ab648270 | 2758 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2759 | |
2760 | if (! NILP (bar->next)) | |
ab648270 | 2761 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2762 | |
ab648270 | 2763 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2764 | bar->prev = Qnil; |
e0c1aef2 | 2765 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2766 | if (! NILP (bar->next)) |
e0c1aef2 | 2767 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
12ba150f | 2768 | } |
f451eb13 JB |
2769 | } |
2770 | ||
ab648270 JB |
2771 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2772 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2773 | static void |
ab648270 | 2774 | XTjudge_scroll_bars (f) |
12ba150f | 2775 | FRAME_PTR f; |
f451eb13 | 2776 | { |
12ba150f | 2777 | Lisp_Object bar, next; |
f451eb13 | 2778 | |
ab648270 | 2779 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2780 | |
2781 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2782 | more events on the hapless scroll bars. */ |
2783 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2784 | |
2785 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2786 | { |
ab648270 | 2787 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2788 | |
ab648270 | 2789 | x_scroll_bar_remove (b); |
12ba150f JB |
2790 | |
2791 | next = b->next; | |
2792 | b->next = b->prev = Qnil; | |
f451eb13 | 2793 | } |
12ba150f | 2794 | |
ab648270 | 2795 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2796 | and they should get garbage-collected. */ |
f451eb13 JB |
2797 | } |
2798 | ||
2799 | ||
ab648270 JB |
2800 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2801 | ||
2802 | This may be called from a signal handler, so we have to ignore GC | |
2803 | mark bits. */ | |
f451eb13 | 2804 | static void |
ab648270 JB |
2805 | x_scroll_bar_expose (bar, event) |
2806 | struct scroll_bar *bar; | |
f451eb13 JB |
2807 | XEvent *event; |
2808 | { | |
ab648270 | 2809 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 RS |
2810 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2811 | GC gc = f->display.x->normal_gc; | |
12ba150f | 2812 | |
f451eb13 JB |
2813 | BLOCK_INPUT; |
2814 | ||
ab648270 | 2815 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2816 | |
ab648270 | 2817 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
334208b7 | 2818 | XDrawRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 JB |
2819 | |
2820 | /* x, y, width, height */ | |
12ba150f | 2821 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2822 | |
f451eb13 JB |
2823 | UNBLOCK_INPUT; |
2824 | } | |
2825 | ||
ab648270 JB |
2826 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2827 | is set to something other than no_event, it is enqueued. | |
2828 | ||
2829 | This may be called from a signal handler, so we have to ignore GC | |
2830 | mark bits. */ | |
f451eb13 | 2831 | static void |
ab648270 JB |
2832 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2833 | struct scroll_bar *bar; | |
f451eb13 JB |
2834 | XEvent *event; |
2835 | struct input_event *emacs_event; | |
2836 | { | |
ab648270 | 2837 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2838 | abort (); |
2839 | ||
ab648270 | 2840 | emacs_event->kind = scroll_bar_click; |
69388238 | 2841 | emacs_event->code = event->xbutton.button - Button1; |
f451eb13 | 2842 | emacs_event->modifiers = |
334208b7 RS |
2843 | (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))), |
2844 | event->xbutton.state) | |
f451eb13 JB |
2845 | | (event->type == ButtonRelease |
2846 | ? up_modifier | |
2847 | : down_modifier)); | |
12ba150f | 2848 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2849 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2850 | { |
2851 | int internal_height = | |
ab648270 | 2852 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2853 | int top_range = |
ab648270 JB |
2854 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2855 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2856 | |
2857 | if (y < 0) y = 0; | |
2858 | if (y > top_range) y = top_range; | |
2859 | ||
2860 | if (y < XINT (bar->start)) | |
ab648270 JB |
2861 | emacs_event->part = scroll_bar_above_handle; |
2862 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2863 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2864 | else |
ab648270 | 2865 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2866 | |
2867 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2868 | they want to drag it. Lisp code needs to be able to decide |
2869 | whether or not we're dragging. */ | |
929787e1 | 2870 | #if 0 |
12ba150f JB |
2871 | /* If the user has just clicked on the handle, record where they're |
2872 | holding it. */ | |
2873 | if (event->type == ButtonPress | |
ab648270 | 2874 | && emacs_event->part == scroll_bar_handle) |
e0c1aef2 | 2875 | XSETINT (bar->dragging, y - XINT (bar->start)); |
929787e1 | 2876 | #endif |
12ba150f JB |
2877 | |
2878 | /* If the user has released the handle, set it to its final position. */ | |
2879 | if (event->type == ButtonRelease | |
2880 | && ! NILP (bar->dragging)) | |
2881 | { | |
2882 | int new_start = y - XINT (bar->dragging); | |
2883 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2884 | |
ab648270 | 2885 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2886 | bar->dragging = Qnil; |
2887 | } | |
f451eb13 | 2888 | |
5116f055 JB |
2889 | /* Same deal here as the other #if 0. */ |
2890 | #if 0 | |
58769bee | 2891 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 2892 | the handle. */ |
ab648270 | 2893 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2894 | emacs_event->x = bar->start; |
2895 | else | |
e0c1aef2 | 2896 | XSETINT (emacs_event->x, y); |
5116f055 | 2897 | #else |
e0c1aef2 | 2898 | XSETINT (emacs_event->x, y); |
5116f055 | 2899 | #endif |
f451eb13 | 2900 | |
e0c1aef2 | 2901 | XSETINT (emacs_event->y, top_range); |
12ba150f JB |
2902 | } |
2903 | } | |
f451eb13 | 2904 | |
ab648270 JB |
2905 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2906 | ||
2907 | This may be called from a signal handler, so we have to ignore GC | |
2908 | mark bits. */ | |
f451eb13 | 2909 | static void |
ab648270 JB |
2910 | x_scroll_bar_note_movement (bar, event) |
2911 | struct scroll_bar *bar; | |
f451eb13 JB |
2912 | XEvent *event; |
2913 | { | |
2914 | last_mouse_movement_time = event->xmotion.time; | |
2915 | ||
2916 | mouse_moved = 1; | |
e0c1aef2 | 2917 | XSETVECTOR (last_mouse_scroll_bar, bar); |
f451eb13 JB |
2918 | |
2919 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2920 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2921 | { |
2922 | /* Where should the handle be now? */ | |
12ba150f | 2923 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2924 | |
12ba150f | 2925 | if (new_start != XINT (bar->start)) |
f451eb13 | 2926 | { |
12ba150f | 2927 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
58769bee | 2928 | |
ab648270 | 2929 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2930 | } |
2931 | } | |
2932 | ||
2933 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2934 | moves and we can see *still* on the same position. */ | |
2935 | { | |
2936 | int dummy; | |
847e150a | 2937 | Window dummy_window; |
58769bee | 2938 | |
f451eb13 | 2939 | XQueryPointer (event->xmotion.display, event->xmotion.window, |
847e150a | 2940 | &dummy_window, &dummy_window, |
f451eb13 JB |
2941 | &dummy, &dummy, &dummy, &dummy, |
2942 | (unsigned int *) &dummy); | |
2943 | } | |
2944 | } | |
2945 | ||
12ba150f | 2946 | /* Return information to the user about the current position of the mouse |
ab648270 | 2947 | on the scroll bar. */ |
12ba150f | 2948 | static void |
334208b7 RS |
2949 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
2950 | FRAME_PTR *fp; | |
12ba150f | 2951 | Lisp_Object *bar_window; |
ab648270 | 2952 | enum scroll_bar_part *part; |
12ba150f JB |
2953 | Lisp_Object *x, *y; |
2954 | unsigned long *time; | |
2955 | { | |
ab648270 | 2956 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
334208b7 RS |
2957 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2958 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
12ba150f | 2959 | int win_x, win_y; |
559cb2fb JB |
2960 | Window dummy_window; |
2961 | int dummy_coord; | |
2962 | unsigned int dummy_mask; | |
12ba150f | 2963 | |
cf7cb199 JB |
2964 | BLOCK_INPUT; |
2965 | ||
ab648270 | 2966 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 2967 | report that. */ |
334208b7 | 2968 | if (! XQueryPointer (FRAME_X_DISPLAY (f), w, |
12ba150f | 2969 | |
559cb2fb JB |
2970 | /* Root, child, root x and root y. */ |
2971 | &dummy_window, &dummy_window, | |
2972 | &dummy_coord, &dummy_coord, | |
12ba150f | 2973 | |
559cb2fb JB |
2974 | /* Position relative to scroll bar. */ |
2975 | &win_x, &win_y, | |
12ba150f | 2976 | |
559cb2fb JB |
2977 | /* Mouse buttons and modifier keys. */ |
2978 | &dummy_mask)) | |
334208b7 | 2979 | *fp = 0; |
559cb2fb JB |
2980 | else |
2981 | { | |
2982 | int inside_height | |
2983 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2984 | int top_range | |
2985 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2986 | ||
2987 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
2988 | ||
2989 | if (! NILP (bar->dragging)) | |
2990 | win_y -= XINT (bar->dragging); | |
2991 | ||
2992 | if (win_y < 0) | |
2993 | win_y = 0; | |
2994 | if (win_y > top_range) | |
2995 | win_y = top_range; | |
2996 | ||
334208b7 RS |
2997 | *fp = f; |
2998 | *bar_window = w; | |
559cb2fb JB |
2999 | |
3000 | if (! NILP (bar->dragging)) | |
3001 | *part = scroll_bar_handle; | |
3002 | else if (win_y < XINT (bar->start)) | |
3003 | *part = scroll_bar_above_handle; | |
3004 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3005 | *part = scroll_bar_handle; | |
3006 | else | |
3007 | *part = scroll_bar_below_handle; | |
12ba150f | 3008 | |
e0c1aef2 KH |
3009 | XSETINT (*x, win_y); |
3010 | XSETINT (*y, top_range); | |
12ba150f | 3011 | |
559cb2fb JB |
3012 | mouse_moved = 0; |
3013 | last_mouse_scroll_bar = Qnil; | |
3014 | } | |
12ba150f | 3015 | |
559cb2fb | 3016 | *time = last_mouse_movement_time; |
cf7cb199 | 3017 | |
cf7cb199 | 3018 | UNBLOCK_INPUT; |
12ba150f JB |
3019 | } |
3020 | ||
f451eb13 | 3021 | |
dbc4e1c1 | 3022 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
3023 | background colors, and the scroll bars may need to be redrawn. |
3024 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
3025 | redraw them. */ |
3026 | ||
ab648270 | 3027 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
3028 | FRAME_PTR f; |
3029 | { | |
3030 | Lisp_Object bar; | |
3031 | ||
9bc4522e | 3032 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); |
ab648270 | 3033 | bar = XSCROLL_BAR (bar)->next) |
334208b7 | 3034 | XClearArea (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), |
dbc4e1c1 JB |
3035 | 0, 0, 0, 0, True); |
3036 | } | |
3037 | ||
3afe33e7 RS |
3038 | /* This processes Expose events from the menubar specific X event |
3039 | loop in menubar.c. This allows to redisplay the frame if necessary | |
3040 | when handling menubar or popup items. */ | |
3041 | ||
3042 | void | |
3043 | process_expose_from_menu (event) | |
3044 | XEvent event; | |
3045 | { | |
3046 | FRAME_PTR f; | |
3047 | ||
f94397b5 KH |
3048 | BLOCK_INPUT; |
3049 | ||
3afe33e7 RS |
3050 | f = x_window_to_frame (event.xexpose.window); |
3051 | if (f) | |
3052 | { | |
3053 | if (f->async_visible == 0) | |
3054 | { | |
3055 | f->async_visible = 1; | |
3056 | f->async_iconified = 0; | |
3057 | SET_FRAME_GARBAGED (f); | |
3058 | } | |
3059 | else | |
3060 | { | |
3061 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3062 | event.xexpose.x, event.xexpose.y, | |
3063 | event.xexpose.width, event.xexpose.height); | |
3064 | } | |
3065 | } | |
3066 | else | |
3067 | { | |
3068 | struct scroll_bar *bar | |
3069 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3070 | |
3afe33e7 RS |
3071 | if (bar) |
3072 | x_scroll_bar_expose (bar, &event); | |
3073 | } | |
f94397b5 KH |
3074 | |
3075 | UNBLOCK_INPUT; | |
3afe33e7 | 3076 | } |
09756a85 RS |
3077 | \f |
3078 | /* Define a queue to save up SelectionRequest events for later handling. */ | |
3079 | ||
3080 | struct selection_event_queue | |
3081 | { | |
3082 | XEvent event; | |
3083 | struct selection_event_queue *next; | |
3084 | }; | |
3085 | ||
3086 | static struct selection_event_queue *queue; | |
3087 | ||
3088 | /* Nonzero means queue up certain events--don't process them yet. */ | |
3089 | static int x_queue_selection_requests; | |
3090 | ||
3091 | /* Queue up an X event *EVENT, to be processed later. */ | |
dbc4e1c1 | 3092 | |
09756a85 | 3093 | static void |
334208b7 RS |
3094 | x_queue_event (f, event) |
3095 | FRAME_PTR f; | |
09756a85 RS |
3096 | XEvent *event; |
3097 | { | |
3098 | struct selection_event_queue *queue_tmp | |
3099 | = (struct selection_event_queue *) malloc (sizeof (struct selection_event_queue)); | |
3100 | ||
58769bee | 3101 | if (queue_tmp != NULL) |
09756a85 RS |
3102 | { |
3103 | queue_tmp->event = *event; | |
3104 | queue_tmp->next = queue; | |
3105 | queue = queue_tmp; | |
3106 | } | |
3107 | } | |
3108 | ||
3109 | /* Take all the queued events and put them back | |
3110 | so that they get processed afresh. */ | |
3111 | ||
3112 | static void | |
334208b7 RS |
3113 | x_unqueue_events (f) |
3114 | FRAME_PTR f; | |
09756a85 | 3115 | { |
58769bee | 3116 | while (queue != NULL) |
09756a85 RS |
3117 | { |
3118 | struct selection_event_queue *queue_tmp = queue; | |
334208b7 | 3119 | XPutBackEvent (FRAME_X_DISPLAY (f), &queue_tmp->event); |
09756a85 RS |
3120 | queue = queue_tmp->next; |
3121 | free ((char *)queue_tmp); | |
3122 | } | |
3123 | } | |
3124 | ||
3125 | /* Start queuing SelectionRequest events. */ | |
3126 | ||
3127 | void | |
334208b7 RS |
3128 | x_start_queuing_selection_requests (f) |
3129 | FRAME_PTR f; | |
09756a85 RS |
3130 | { |
3131 | x_queue_selection_requests++; | |
3132 | } | |
3133 | ||
3134 | /* Stop queuing SelectionRequest events. */ | |
3135 | ||
3136 | void | |
334208b7 RS |
3137 | x_stop_queuing_selection_requests (f) |
3138 | FRAME_PTR f; | |
09756a85 RS |
3139 | { |
3140 | x_queue_selection_requests--; | |
334208b7 | 3141 | x_unqueue_events (f); |
09756a85 | 3142 | } |
f451eb13 JB |
3143 | \f |
3144 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3145 | |
dc6f92b8 JB |
3146 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3147 | but we have to put it out here, since static variables within functions | |
3148 | sometimes don't work. */ | |
3149 | static Time enter_timestamp; | |
3150 | ||
11edeb03 | 3151 | /* This holds the state XLookupString needs to implement dead keys |
58769bee | 3152 | and other tricks known as "compose processing". _X Window System_ |
11edeb03 JB |
3153 | says that a portable program can't use this, but Stephen Gildea assures |
3154 | me that letting the compiler initialize it to zeros will work okay. | |
3155 | ||
3156 | This must be defined outside of XTread_socket, for the same reasons | |
3157 | given for enter_timestamp, above. */ | |
3158 | static XComposeStatus compose_status; | |
3159 | ||
10e6549c RS |
3160 | /* Record the last 100 characters stored |
3161 | to help debug the loss-of-chars-during-GC problem. */ | |
3162 | int temp_index; | |
3163 | short temp_buffer[100]; | |
3164 | ||
dc6f92b8 JB |
3165 | /* Read events coming from the X server. |
3166 | This routine is called by the SIGIO handler. | |
3167 | We return as soon as there are no more events to be read. | |
3168 | ||
3169 | Events representing keys are stored in buffer BUFP, | |
3170 | which can hold up to NUMCHARS characters. | |
3171 | We return the number of characters stored into the buffer, | |
3172 | thus pretending to be `read'. | |
3173 | ||
3174 | WAITP is nonzero if we should block until input arrives. | |
3175 | EXPECTED is nonzero if the caller knows input is available. */ | |
3176 | ||
7c5283e4 | 3177 | int |
dc6f92b8 JB |
3178 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3179 | register int sd; | |
3180 | register struct input_event *bufp; | |
3181 | register int numchars; | |
3182 | int waitp; | |
3183 | int expected; | |
3184 | { | |
3185 | int count = 0; | |
3186 | int nbytes = 0; | |
3187 | int mask; | |
3188 | int items_pending; /* How many items are in the X queue. */ | |
3189 | XEvent event; | |
f676886a | 3190 | struct frame *f; |
66f55a9d | 3191 | int event_found = 0; |
dc6f92b8 JB |
3192 | int prefix; |
3193 | Lisp_Object part; | |
334208b7 | 3194 | struct x_display_info *dpyinfo; |
dc6f92b8 | 3195 | |
9ac0d9e0 | 3196 | if (interrupt_input_blocked) |
dc6f92b8 | 3197 | { |
9ac0d9e0 | 3198 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3199 | return -1; |
3200 | } | |
3201 | ||
9ac0d9e0 | 3202 | interrupt_input_pending = 0; |
dc6f92b8 | 3203 | BLOCK_INPUT; |
c0a04927 | 3204 | |
334208b7 RS |
3205 | /* Find the display we are supposed to read input for. |
3206 | It's the one communicating on descriptor SD. */ | |
3207 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
3208 | if (dpyinfo->connection == sd) | |
3209 | break; | |
3210 | if (dpyinfo == 0) | |
3211 | abort (); | |
3212 | ||
c0a04927 RS |
3213 | /* So people can tell when we have read the available input. */ |
3214 | input_signal_count++; | |
3215 | ||
dc6f92b8 JB |
3216 | if (numchars <= 0) |
3217 | abort (); /* Don't think this happens. */ | |
3218 | ||
3219 | #ifdef FIOSNBIO | |
3220 | /* If available, Xlib uses FIOSNBIO to make the socket | |
3221 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3222 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3223 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
334208b7 | 3224 | fcntl (sd, F_SETFL, 0); |
c118dd06 | 3225 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
3226 | |
3227 | #ifndef SIGIO | |
3228 | #ifndef HAVE_SELECT | |
334208b7 | 3229 | if (! (fcntl (sd, F_GETFL, 0) & O_NDELAY)) |
dc6f92b8 JB |
3230 | { |
3231 | extern int read_alarm_should_throw; | |
3232 | read_alarm_should_throw = 1; | |
334208b7 | 3233 | XPeekEvent (dpyinfo->display, &event); |
dc6f92b8 JB |
3234 | read_alarm_should_throw = 0; |
3235 | } | |
c118dd06 JB |
3236 | #endif /* HAVE_SELECT */ |
3237 | #endif /* SIGIO */ | |
dc6f92b8 | 3238 | |
334208b7 | 3239 | while (XPending (dpyinfo->display) != 0) |
dc6f92b8 | 3240 | { |
334208b7 | 3241 | XNextEvent (dpyinfo->display, &event); |
dc6f92b8 JB |
3242 | event_found = 1; |
3243 | ||
3244 | switch (event.type) | |
3245 | { | |
c047688c JA |
3246 | case ClientMessage: |
3247 | { | |
334208b7 RS |
3248 | if (event.xclient.message_type |
3249 | == dpyinfo->Xatom_wm_protocols | |
c047688c JA |
3250 | && event.xclient.format == 32) |
3251 | { | |
334208b7 RS |
3252 | if (event.xclient.data.l[0] |
3253 | == dpyinfo->Xatom_wm_take_focus) | |
c047688c | 3254 | { |
3afe33e7 | 3255 | f = x_window_to_frame (event.xclient.window); |
0a178815 RS |
3256 | /* Since we set WM_TAKE_FOCUS, we must call |
3257 | XSetInputFocus explicitly. But not if f is null, | |
3258 | since that might be an event for a deleted frame. */ | |
f676886a | 3259 | if (f) |
5627c40e RS |
3260 | XSetInputFocus (event.xclient.display, |
3261 | event.xclient.window, | |
3262 | RevertToPointerRoot, | |
3263 | event.xclient.data.l[1]); | |
ab648270 | 3264 | /* Not certain about handling scroll bars here */ |
c047688c | 3265 | } |
334208b7 RS |
3266 | else if (event.xclient.data.l[0] |
3267 | == dpyinfo->Xatom_wm_save_yourself) | |
c047688c JA |
3268 | { |
3269 | /* Save state modify the WM_COMMAND property to | |
3270 | something which can reinstate us. This notifies | |
3271 | the session manager, who's looking for such a | |
3272 | PropertyNotify. Can restart processing when | |
3273 | a keyboard or mouse event arrives. */ | |
3274 | if (numchars > 0) | |
3275 | { | |
334208b7 RS |
3276 | f = x_top_window_to_frame (event.xclient.window); |
3277 | ||
0ab983c8 RS |
3278 | /* This is just so we only give real data once |
3279 | for a single Emacs process. */ | |
334208b7 RS |
3280 | if (f == selected_frame) |
3281 | XSetCommand (FRAME_X_DISPLAY (f), | |
0ab983c8 RS |
3282 | event.xclient.window, |
3283 | initial_argv, initial_argc); | |
3284 | else | |
334208b7 | 3285 | XSetCommand (FRAME_X_DISPLAY (f), |
0ab983c8 RS |
3286 | event.xclient.window, |
3287 | 0, 0); | |
c047688c JA |
3288 | } |
3289 | } | |
334208b7 RS |
3290 | else if (event.xclient.data.l[0] |
3291 | == dpyinfo->Xatom_wm_delete_window) | |
c047688c | 3292 | { |
82aebaf4 | 3293 | struct frame *f = x_any_window_to_frame (event.xclient.window); |
c047688c | 3294 | |
f676886a | 3295 | if (f) |
1fb20991 RS |
3296 | { |
3297 | if (numchars == 0) | |
3298 | abort (); | |
3299 | ||
3300 | bufp->kind = delete_window_event; | |
e0c1aef2 | 3301 | XSETFRAME (bufp->frame_or_window, f); |
1fb20991 RS |
3302 | bufp++; |
3303 | ||
3304 | count += 1; | |
3305 | numchars -= 1; | |
3306 | } | |
c047688c JA |
3307 | } |
3308 | } | |
334208b7 RS |
3309 | else if (event.xclient.message_type |
3310 | == dpyinfo->Xatom_wm_configure_denied) | |
c047688c JA |
3311 | { |
3312 | } | |
334208b7 RS |
3313 | else if (event.xclient.message_type |
3314 | == dpyinfo->Xatom_wm_window_moved) | |
c047688c JA |
3315 | { |
3316 | int new_x, new_y; | |
1fb20991 | 3317 | struct frame *f = x_window_to_frame (event.xclient.window); |
58769bee | 3318 | |
4357eba7 JB |
3319 | new_x = event.xclient.data.s[0]; |
3320 | new_y = event.xclient.data.s[1]; | |
1fb20991 RS |
3321 | |
3322 | if (f) | |
3323 | { | |
3324 | f->display.x->left_pos = new_x; | |
3325 | f->display.x->top_pos = new_y; | |
3326 | } | |
c047688c | 3327 | } |
5627c40e | 3328 | #if defined (USE_X_TOOLKIT) && defined (HAVE_X11R5) |
334208b7 RS |
3329 | else if (event.xclient.message_type |
3330 | == dpyinfo->Xatom_editres) | |
c2df547c RS |
3331 | { |
3332 | struct frame *f = x_any_window_to_frame (event.xclient.window); | |
3333 | _XEditResCheckMessages (f->display.x->widget, NULL, &event, NULL); | |
3334 | } | |
5627c40e | 3335 | #endif /* USE_X_TOOLKIT and HAVE_X11R5 */ |
c047688c JA |
3336 | } |
3337 | break; | |
dc6f92b8 | 3338 | |
d56a553a | 3339 | case SelectionNotify: |
3afe33e7 | 3340 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3341 | if (! x_window_to_frame (event.xselection.requestor)) |
3afe33e7 | 3342 | goto OTHER; |
3afe33e7 | 3343 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3344 | x_handle_selection_notify (&event); |
d56a553a | 3345 | break; |
d56a553a | 3346 | |
dc6f92b8 | 3347 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3348 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3349 | if (! x_window_to_frame (event.xselectionclear.window)) |
3350 | goto OTHER; | |
3afe33e7 | 3351 | #endif /* USE_X_TOOLKIT */ |
b2bd9b6a | 3352 | { |
d56a553a RS |
3353 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; |
3354 | ||
3355 | if (numchars == 0) | |
3356 | abort (); | |
3357 | ||
3358 | bufp->kind = selection_clear_event; | |
3359 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3360 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3361 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3362 | bufp++; | |
3363 | ||
3364 | count += 1; | |
3365 | numchars -= 1; | |
3afe33e7 | 3366 | } |
dc6f92b8 JB |
3367 | break; |
3368 | ||
3369 | case SelectionRequest: /* Someone wants our selection. */ | |
3afe33e7 | 3370 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3371 | if (!x_window_to_frame (event.xselectionrequest.owner)) |
3372 | goto OTHER; | |
3afe33e7 | 3373 | #endif /* USE_X_TOOLKIT */ |
09756a85 | 3374 | if (x_queue_selection_requests) |
334208b7 RS |
3375 | x_queue_event (x_window_to_frame (event.xselectionrequest.owner), |
3376 | &event); | |
09756a85 RS |
3377 | else |
3378 | { | |
3379 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
3380 | ||
3381 | if (numchars == 0) | |
3382 | abort (); | |
3383 | ||
3384 | bufp->kind = selection_request_event; | |
3385 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3386 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3387 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3388 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3389 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3390 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3391 | bufp++; | |
3392 | ||
3393 | count += 1; | |
3394 | numchars -= 1; | |
3395 | } | |
dc6f92b8 JB |
3396 | break; |
3397 | ||
3398 | case PropertyNotify: | |
3afe33e7 | 3399 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3400 | if (!x_any_window_to_frame (event.xproperty.window)) |
3afe33e7 | 3401 | goto OTHER; |
3afe33e7 | 3402 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3403 | x_handle_property_notify (&event); |
dc6f92b8 JB |
3404 | break; |
3405 | ||
3bd330d4 | 3406 | case ReparentNotify: |
3a35ab44 | 3407 | f = x_top_window_to_frame (event.xreparent.window); |
3bd330d4 | 3408 | if (f) |
3a35ab44 RS |
3409 | { |
3410 | int x, y; | |
3411 | f->display.x->parent_desc = event.xreparent.parent; | |
3412 | x_real_positions (f, &x, &y); | |
3413 | f->display.x->left_pos = x; | |
3414 | f->display.x->top_pos = y; | |
3415 | } | |
3bd330d4 RS |
3416 | break; |
3417 | ||
dc6f92b8 | 3418 | case Expose: |
f676886a JB |
3419 | f = x_window_to_frame (event.xexpose.window); |
3420 | if (f) | |
dc6f92b8 | 3421 | { |
3a88c238 | 3422 | if (f->async_visible == 0) |
dc6f92b8 | 3423 | { |
3a88c238 JB |
3424 | f->async_visible = 1; |
3425 | f->async_iconified = 0; | |
f676886a | 3426 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
3427 | } |
3428 | else | |
b2bd9b6a RS |
3429 | dumprectangle (x_window_to_frame (event.xexpose.window), |
3430 | event.xexpose.x, event.xexpose.y, | |
3431 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
3432 | } |
3433 | else | |
3434 | { | |
ab648270 JB |
3435 | struct scroll_bar *bar |
3436 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3437 | |
f451eb13 | 3438 | if (bar) |
3afe33e7 RS |
3439 | x_scroll_bar_expose (bar, &event); |
3440 | #ifdef USE_X_TOOLKIT | |
3441 | else | |
3442 | goto OTHER; | |
3443 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3444 | } |
3445 | break; | |
3446 | ||
3447 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
3448 | source area was obscured or not | |
3449 | available.*/ | |
f451eb13 JB |
3450 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
3451 | if (f) | |
3452 | { | |
3453 | dumprectangle (f, | |
3454 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3455 | event.xgraphicsexpose.width, | |
3456 | event.xgraphicsexpose.height); | |
f451eb13 | 3457 | } |
3afe33e7 RS |
3458 | #ifdef USE_X_TOOLKIT |
3459 | else | |
3460 | goto OTHER; | |
3461 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3462 | break; |
3463 | ||
3464 | case NoExpose: /* This occurs when an XCopyArea's | |
3465 | source area was completely | |
3466 | available */ | |
3467 | break; | |
dc6f92b8 | 3468 | |
dc6f92b8 | 3469 | case UnmapNotify: |
dc05a16b | 3470 | f = x_any_window_to_frame (event.xunmap.window); |
f451eb13 | 3471 | if (f) /* F may no longer exist if |
f676886a | 3472 | the frame was deleted. */ |
f451eb13 JB |
3473 | { |
3474 | /* While a frame is unmapped, display generation is | |
3475 | disabled; you don't want to spend time updating a | |
3476 | display that won't ever be seen. */ | |
3477 | f->async_visible = 0; | |
5627c40e RS |
3478 | /* We can't distinguish, from the event, whether the window |
3479 | has become iconified or invisible. So assume, if it | |
3480 | was previously visible, than now it is iconified. | |
3481 | We depend on x_make_frame_invisible to mark it iconified. */ | |
9319ae23 RS |
3482 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
3483 | f->async_iconified = 1; | |
f451eb13 | 3484 | } |
3afe33e7 RS |
3485 | #ifdef USE_X_TOOLKIT |
3486 | goto OTHER; | |
3487 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3488 | break; |
3489 | ||
3490 | case MapNotify: | |
b2bd9b6a RS |
3491 | /* We use x_top_window_to_frame because map events can come |
3492 | for subwindows and they don't mean that the frame is visible. */ | |
5627c40e | 3493 | f = x_top_window_to_frame (event.xmap.window); |
f676886a | 3494 | if (f) |
dc6f92b8 | 3495 | { |
3a88c238 JB |
3496 | f->async_visible = 1; |
3497 | f->async_iconified = 0; | |
dc6f92b8 JB |
3498 | |
3499 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
3500 | the frame's display structures. */ |
3501 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 | 3502 | } |
3afe33e7 RS |
3503 | #ifdef USE_X_TOOLKIT |
3504 | goto OTHER; | |
3505 | #endif /* USE_X_TOOLKIT */ | |
b2bd9b6a | 3506 | break; |
dc6f92b8 JB |
3507 | |
3508 | /* Turn off processing if we become fully obscured. */ | |
3509 | case VisibilityNotify: | |
3510 | break; | |
3511 | ||
dc6f92b8 | 3512 | case KeyPress: |
1dea5a83 | 3513 | f = x_any_window_to_frame (event.xkey.window); |
f451eb13 | 3514 | |
f676886a | 3515 | if (f != 0) |
dc6f92b8 | 3516 | { |
2d368234 | 3517 | KeySym keysym, orig_keysym; |
bf6d8fb9 RS |
3518 | /* al%imercury@uunet.uu.net says that making this 81 instead of |
3519 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3520 | unsigned char copy_buffer[81]; | |
64bb1782 RS |
3521 | int modifiers; |
3522 | ||
dfeccd2d | 3523 | event.xkey.state |
334208b7 RS |
3524 | |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f), |
3525 | extra_keyboard_modifiers); | |
64bb1782 | 3526 | modifiers = event.xkey.state; |
3a2712f9 | 3527 | |
11edeb03 | 3528 | /* This will have to go some day... */ |
752a043f JB |
3529 | |
3530 | /* make_lispy_event turns chars into control chars. | |
3531 | Don't do it here because XLookupString is too eager. */ | |
3532 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
3533 | nbytes = |
3534 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
3535 | &compose_status); | |
dc6f92b8 | 3536 | |
2d368234 | 3537 | orig_keysym = keysym; |
55123275 | 3538 | |
dc6f92b8 JB |
3539 | if (numchars > 1) |
3540 | { | |
64a07219 JB |
3541 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) |
3542 | || keysym == XK_Delete | |
3543 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3544 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3545 | #ifdef HPUX |
64a07219 JB |
3546 | /* This recognizes the "extended function keys". |
3547 | It seems there's no cleaner way. | |
3548 | Test IsModifierKey to avoid handling mode_switch | |
3549 | incorrectly. */ | |
3550 | || ((unsigned) (keysym) >= XK_Select | |
3551 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3552 | #endif |
3553 | #ifdef XK_dead_circumflex | |
3554 | || orig_keysym == XK_dead_circumflex | |
3555 | #endif | |
3556 | #ifdef XK_dead_grave | |
3557 | || orig_keysym == XK_dead_grave | |
3558 | #endif | |
3559 | #ifdef XK_dead_tilde | |
3560 | || orig_keysym == XK_dead_tilde | |
3561 | #endif | |
3562 | #ifdef XK_dead_diaeresis | |
3563 | || orig_keysym == XK_dead_diaeresis | |
3564 | #endif | |
3565 | #ifdef XK_dead_macron | |
3566 | || orig_keysym == XK_dead_macron | |
3567 | #endif | |
3568 | #ifdef XK_dead_degree | |
3569 | || orig_keysym == XK_dead_degree | |
3570 | #endif | |
3571 | #ifdef XK_dead_acute | |
3572 | || orig_keysym == XK_dead_acute | |
3573 | #endif | |
3574 | #ifdef XK_dead_cedilla | |
3575 | || orig_keysym == XK_dead_cedilla | |
3576 | #endif | |
3577 | #ifdef XK_dead_breve | |
3578 | || orig_keysym == XK_dead_breve | |
3579 | #endif | |
3580 | #ifdef XK_dead_ogonek | |
3581 | || orig_keysym == XK_dead_ogonek | |
3582 | #endif | |
3583 | #ifdef XK_dead_caron | |
3584 | || orig_keysym == XK_dead_caron | |
3585 | #endif | |
3586 | #ifdef XK_dead_doubleacute | |
3587 | || orig_keysym == XK_dead_doubleacute | |
3588 | #endif | |
3589 | #ifdef XK_dead_abovedot | |
3590 | || orig_keysym == XK_dead_abovedot | |
c34790e0 | 3591 | #endif |
64a07219 JB |
3592 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3593 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
05f6617d RS |
3594 | /* Any "vendor-specific" key is ok. */ |
3595 | || (orig_keysym & (1 << 28))) | |
7719aa06 RS |
3596 | && ! (IsModifierKey (orig_keysym) |
3597 | #ifndef HAVE_X11R5 | |
3598 | #ifdef XK_Mode_switch | |
3599 | || ((unsigned)(orig_keysym) == XK_Mode_switch) | |
3600 | #endif | |
3601 | #ifdef XK_Num_Lock | |
3602 | || ((unsigned)(orig_keysym) == XK_Num_Lock) | |
3603 | #endif | |
3604 | #endif /* not HAVE_X11R5 */ | |
3605 | )) | |
dc6f92b8 | 3606 | { |
10e6549c RS |
3607 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3608 | temp_index = 0; | |
3609 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 3610 | bufp->kind = non_ascii_keystroke; |
69388238 | 3611 | bufp->code = keysym; |
e0c1aef2 | 3612 | XSETFRAME (bufp->frame_or_window, f); |
334208b7 RS |
3613 | bufp->modifiers |
3614 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3615 | modifiers); | |
1113d9db | 3616 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3617 | bufp++; |
3618 | count++; | |
3619 | numchars--; | |
3620 | } | |
3621 | else if (numchars > nbytes) | |
3622 | { | |
3623 | register int i; | |
3624 | ||
10e6549c | 3625 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 3626 | { |
10e6549c RS |
3627 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3628 | temp_index = 0; | |
3629 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 3630 | bufp->kind = ascii_keystroke; |
69388238 | 3631 | bufp->code = copy_buffer[i]; |
e0c1aef2 | 3632 | XSETFRAME (bufp->frame_or_window, f); |
334208b7 RS |
3633 | bufp->modifiers |
3634 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3635 | modifiers); | |
1113d9db | 3636 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3637 | bufp++; |
3638 | } | |
dc6f92b8 JB |
3639 | |
3640 | count += nbytes; | |
3641 | numchars -= nbytes; | |
3642 | } | |
10e6549c RS |
3643 | else |
3644 | abort (); | |
dc6f92b8 | 3645 | } |
10e6549c RS |
3646 | else |
3647 | abort (); | |
dc6f92b8 JB |
3648 | } |
3649 | break; | |
f451eb13 JB |
3650 | |
3651 | /* Here's a possible interpretation of the whole | |
3652 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3653 | FocusIn event, you have to get a FocusOut event before you | |
3654 | relinquish the focus. If you haven't received a FocusIn event, | |
3655 | then a mere LeaveNotify is enough to free you. */ | |
3656 | ||
dc6f92b8 | 3657 | case EnterNotify: |
1dea5a83 | 3658 | f = x_any_window_to_frame (event.xcrossing.window); |
6d4238f3 | 3659 | |
f451eb13 | 3660 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3661 | { |
dc6f92b8 | 3662 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
3663 | if (f && (!(f->auto_raise) |
3664 | || !(f->auto_lower) | |
dc6f92b8 JB |
3665 | || (event.xcrossing.time - enter_timestamp) > 500)) |
3666 | { | |
f676886a | 3667 | x_new_focus_frame (f); |
dc6f92b8 JB |
3668 | enter_timestamp = event.xcrossing.time; |
3669 | } | |
dc6f92b8 | 3670 | } |
f676886a JB |
3671 | else if (f == x_focus_frame) |
3672 | x_new_focus_frame (0); | |
da893f1f RS |
3673 | /* EnterNotify counts as mouse movement, |
3674 | so update things that depend on mouse position. */ | |
3675 | if (f) | |
3676 | note_mouse_movement (f, &event.xmotion); | |
3afe33e7 RS |
3677 | #ifdef USE_X_TOOLKIT |
3678 | goto OTHER; | |
3679 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3680 | break; |
3681 | ||
3682 | case FocusIn: | |
1dea5a83 | 3683 | f = x_any_window_to_frame (event.xfocus.window); |
58769bee | 3684 | if (event.xfocus.detail != NotifyPointer) |
f451eb13 | 3685 | x_focus_event_frame = f; |
f676886a JB |
3686 | if (f) |
3687 | x_new_focus_frame (f); | |
3afe33e7 RS |
3688 | #ifdef USE_X_TOOLKIT |
3689 | goto OTHER; | |
3690 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3691 | break; |
3692 | ||
f451eb13 | 3693 | |
dc6f92b8 | 3694 | case LeaveNotify: |
10c5e63d KH |
3695 | f = x_top_window_to_frame (event.xcrossing.window); |
3696 | if (f) | |
f451eb13 | 3697 | { |
10c5e63d KH |
3698 | if (f == mouse_face_mouse_frame) |
3699 | /* If we move outside the frame, | |
3700 | then we're certainly no longer on any text in the frame. */ | |
3701 | clear_mouse_face (); | |
3702 | ||
3703 | if (event.xcrossing.focus) | |
3704 | { | |
3705 | if (! x_focus_event_frame) | |
3706 | x_new_focus_frame (0); | |
3707 | else | |
3708 | x_new_focus_frame (f); | |
3709 | } | |
58769bee | 3710 | else |
10c5e63d KH |
3711 | { |
3712 | if (f == x_focus_event_frame) | |
3713 | x_focus_event_frame = 0; | |
3714 | if (f == x_focus_frame) | |
3715 | x_new_focus_frame (0); | |
3716 | } | |
dc6f92b8 | 3717 | } |
3afe33e7 RS |
3718 | #ifdef USE_X_TOOLKIT |
3719 | goto OTHER; | |
3720 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3721 | break; |
3722 | ||
3723 | case FocusOut: | |
1dea5a83 | 3724 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3725 | if (event.xfocus.detail != NotifyPointer |
3726 | && f == x_focus_event_frame) | |
3727 | x_focus_event_frame = 0; | |
f676886a JB |
3728 | if (f && f == x_focus_frame) |
3729 | x_new_focus_frame (0); | |
3afe33e7 RS |
3730 | #ifdef USE_X_TOOLKIT |
3731 | goto OTHER; | |
3732 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3733 | break; |
3734 | ||
dc6f92b8 JB |
3735 | case MotionNotify: |
3736 | { | |
334208b7 | 3737 | if (dpyinfo->grabbed && last_mouse_frame |
23faf38f | 3738 | && FRAME_LIVE_P (last_mouse_frame)) |
69388238 RS |
3739 | f = last_mouse_frame; |
3740 | else | |
3741 | f = x_window_to_frame (event.xmotion.window); | |
f676886a | 3742 | if (f) |
12ba150f | 3743 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 3744 | else |
dc6f92b8 | 3745 | { |
69388238 RS |
3746 | struct scroll_bar *bar |
3747 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3748 | |
3749 | if (bar) | |
ab648270 | 3750 | x_scroll_bar_note_movement (bar, &event); |
b8009dd1 RS |
3751 | |
3752 | /* If we move outside the frame, | |
3753 | then we're certainly no longer on any text in the frame. */ | |
3754 | clear_mouse_face (); | |
dc6f92b8 | 3755 | } |
dc6f92b8 | 3756 | } |
0a178815 RS |
3757 | #if 0 /* This should be unnecessary, since the toolkit has no use |
3758 | for motion events that happen outside of the menu event loop, | |
3759 | and it seems to cause the bug that mouse events stop coming | |
3760 | after a while. */ | |
3afe33e7 RS |
3761 | #ifdef USE_X_TOOLKIT |
3762 | goto OTHER; | |
3763 | #endif /* USE_X_TOOLKIT */ | |
0a178815 | 3764 | #endif |
dc6f92b8 JB |
3765 | break; |
3766 | ||
3767 | case ConfigureNotify: | |
13ce2d73 | 3768 | f = x_any_window_to_frame (event.xconfigure.window); |
3afe33e7 | 3769 | #ifdef USE_X_TOOLKIT |
13ce2d73 | 3770 | if (f |
3a35ab44 | 3771 | #if 0 |
13ce2d73 | 3772 | && ! event.xconfigure.send_event |
3a35ab44 | 3773 | #endif |
13ce2d73 FP |
3774 | && (event.xconfigure.window == XtWindow (f->display.x->widget))) |
3775 | { | |
3776 | Window win, child; | |
3777 | int win_x, win_y; | |
3778 | ||
3779 | /* Find the position of the outside upper-left corner of | |
3780 | the window, in the root coordinate system. Don't | |
3781 | refer to the parent window here; we may be processing | |
3782 | this event after the window manager has changed our | |
3783 | parent, but before we have reached the ReparentNotify. */ | |
334208b7 | 3784 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
13ce2d73 FP |
3785 | |
3786 | /* From-window, to-window. */ | |
3787 | XtWindow (f->display.x->widget), | |
334208b7 | 3788 | FRAME_X_DISPLAY_INFO (f)->root_window, |
13ce2d73 FP |
3789 | |
3790 | /* From-position, to-position. */ | |
3791 | -event.xconfigure.border_width, | |
3792 | -event.xconfigure.border_width, | |
3793 | &win_x, &win_y, | |
3794 | ||
3795 | /* Child of win. */ | |
3796 | &child); | |
3797 | event.xconfigure.x = win_x; | |
3798 | event.xconfigure.y = win_y; | |
3799 | ||
3800 | f->display.x->pixel_width = event.xconfigure.width; | |
3801 | f->display.x->pixel_height = event.xconfigure.height; | |
3802 | f->display.x->left_pos = event.xconfigure.x; | |
3803 | f->display.x->top_pos = event.xconfigure.y; | |
3a35ab44 RS |
3804 | |
3805 | /* What we have now is the position of Emacs's own window. | |
3806 | Convert that to the position of the window manager window. */ | |
3807 | { | |
3808 | int x, y; | |
3809 | x_real_positions (f, &x, &y); | |
3810 | f->display.x->left_pos = x; | |
3811 | f->display.x->top_pos = y; | |
3812 | } | |
13ce2d73 FP |
3813 | } |
3814 | goto OTHER; | |
3afe33e7 | 3815 | #else /* not USE_X_TOOLKIT */ |
dbc4e1c1 JB |
3816 | if (f) |
3817 | { | |
3818 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3819 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3820 | ||
3821 | /* Even if the number of character rows and columns has | |
3822 | not changed, the font size may have changed, so we need | |
3823 | to check the pixel dimensions as well. */ | |
3824 | if (columns != f->width | |
3825 | || rows != f->height | |
3826 | || event.xconfigure.width != f->display.x->pixel_width | |
3827 | || event.xconfigure.height != f->display.x->pixel_height) | |
3828 | { | |
3829 | change_frame_size (f, rows, columns, 0, 1); | |
3830 | SET_FRAME_GARBAGED (f); | |
3831 | } | |
dc6f92b8 | 3832 | |
3bd330d4 | 3833 | if (! event.xconfigure.send_event) |
af395ec1 RS |
3834 | { |
3835 | Window win, child; | |
3836 | int win_x, win_y; | |
3837 | ||
6cc35d86 JB |
3838 | /* Find the position of the outside upper-left corner of |
3839 | the window, in the root coordinate system. Don't | |
3840 | refer to the parent window here; we may be processing | |
3841 | this event after the window manager has changed our | |
3842 | parent, but before we have reached the ReparentNotify. */ | |
334208b7 | 3843 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
58769bee | 3844 | |
af395ec1 | 3845 | /* From-window, to-window. */ |
6cc35d86 | 3846 | f->display.x->window_desc, |
334208b7 | 3847 | FRAME_X_DISPLAY_INFO (f)->root_window, |
af395ec1 RS |
3848 | |
3849 | /* From-position, to-position. */ | |
6cc35d86 JB |
3850 | -event.xconfigure.border_width, |
3851 | -event.xconfigure.border_width, | |
af395ec1 RS |
3852 | &win_x, &win_y, |
3853 | ||
3854 | /* Child of win. */ | |
3855 | &child); | |
3856 | event.xconfigure.x = win_x; | |
3857 | event.xconfigure.y = win_y; | |
3858 | } | |
3859 | ||
dbc4e1c1 JB |
3860 | f->display.x->pixel_width = event.xconfigure.width; |
3861 | f->display.x->pixel_height = event.xconfigure.height; | |
3862 | f->display.x->left_pos = event.xconfigure.x; | |
3863 | f->display.x->top_pos = event.xconfigure.y; | |
3a35ab44 RS |
3864 | |
3865 | /* What we have now is the position of Emacs's own window. | |
3866 | Convert that to the position of the window manager window. */ | |
3867 | { | |
3868 | int x, y; | |
3869 | x_real_positions (f, &x, &y); | |
3870 | f->display.x->left_pos = x; | |
3871 | f->display.x->top_pos = y; | |
fd13dbb2 RS |
3872 | if (y != event.xconfigure.y) |
3873 | { | |
3874 | /* Since the WM decorations come below top_pos now, | |
3875 | we must put them below top_pos in the future. */ | |
3876 | f->display.x->win_gravity = NorthWestGravity; | |
3877 | x_wm_set_size_hint (f, 0, 0); | |
3878 | } | |
3a35ab44 | 3879 | } |
dbc4e1c1 | 3880 | } |
3afe33e7 | 3881 | #endif /* not USE_X_TOOLKIT */ |
dbc4e1c1 | 3882 | break; |
dc6f92b8 JB |
3883 | |
3884 | case ButtonPress: | |
3885 | case ButtonRelease: | |
3886 | { | |
3887 | /* If we decide we want to generate an event to be seen | |
3888 | by the rest of Emacs, we put it here. */ | |
3889 | struct input_event emacs_event; | |
3890 | emacs_event.kind = no_event; | |
3891 | ||
9b07615b RS |
3892 | bzero (&compose_status, sizeof (compose_status)); |
3893 | ||
f676886a JB |
3894 | f = x_window_to_frame (event.xbutton.window); |
3895 | if (f) | |
f451eb13 JB |
3896 | { |
3897 | if (!x_focus_frame || (f == x_focus_frame)) | |
69388238 | 3898 | construct_mouse_click (&emacs_event, &event, f); |
f451eb13 | 3899 | } |
dc6f92b8 | 3900 | else |
f451eb13 | 3901 | { |
fb3b7de5 RS |
3902 | struct scroll_bar *bar |
3903 | = x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3904 | |
3905 | if (bar) | |
ab648270 | 3906 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
3afe33e7 RS |
3907 | #ifdef USE_X_TOOLKIT |
3908 | else | |
3909 | { | |
a263cd2d PR |
3910 | /* Assume we have a menubar button press. A bad |
3911 | assumption should behave benignly. */ | |
3912 | popup_get_selection (&event); | |
3913 | break; | |
3afe33e7 RS |
3914 | } |
3915 | #endif /* USE_X_TOOLKIT */ | |
f451eb13 | 3916 | } |
dc6f92b8 | 3917 | |
23faf38f RS |
3918 | if (event.type == ButtonPress) |
3919 | { | |
334208b7 | 3920 | dpyinfo->grabbed |= (1 << event.xbutton.button); |
23faf38f RS |
3921 | last_mouse_frame = f; |
3922 | } | |
3923 | else | |
3924 | { | |
334208b7 | 3925 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); |
23faf38f RS |
3926 | } |
3927 | ||
dc6f92b8 JB |
3928 | if (numchars >= 1 && emacs_event.kind != no_event) |
3929 | { | |
3930 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3931 | bufp++; | |
3932 | count++; | |
3933 | numchars--; | |
3934 | } | |
3afe33e7 RS |
3935 | |
3936 | #ifdef USE_X_TOOLKIT | |
3937 | goto OTHER; | |
3938 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3939 | } |
3940 | break; | |
3941 | ||
dc6f92b8 JB |
3942 | case CirculateNotify: |
3943 | break; | |
3944 | case CirculateRequest: | |
3945 | break; | |
3946 | ||
dc6f92b8 | 3947 | case MappingNotify: |
11edeb03 JB |
3948 | /* Someone has changed the keyboard mapping - update the |
3949 | local cache. */ | |
3950 | switch (event.xmapping.request) | |
3951 | { | |
3952 | case MappingModifier: | |
334208b7 | 3953 | x_find_modifier_meanings (dpyinfo); |
11edeb03 JB |
3954 | /* This is meant to fall through. */ |
3955 | case MappingKeyboard: | |
3956 | XRefreshKeyboardMapping (&event.xmapping); | |
3957 | } | |
3afe33e7 RS |
3958 | #ifdef USE_X_TOOLKIT |
3959 | goto OTHER; | |
3960 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3961 | break; |
3962 | ||
3963 | default: | |
3afe33e7 RS |
3964 | #ifdef USE_X_TOOLKIT |
3965 | OTHER: | |
3966 | BLOCK_INPUT; | |
3967 | XtDispatchEvent (&event); | |
3968 | UNBLOCK_INPUT; | |
3969 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3970 | break; |
3971 | } | |
3972 | } | |
3973 | ||
9a5196d0 RS |
3974 | /* On some systems, an X bug causes Emacs to get no more events |
3975 | when the window is destroyed. Detect that. (1994.) */ | |
58769bee | 3976 | if (! event_found) |
ef2a22d0 | 3977 | { |
ef2a22d0 RS |
3978 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. |
3979 | One XNOOP in 100 loops will make Emacs terminate. | |
3980 | B. Bretthauer, 1994 */ | |
3981 | x_noop_count++; | |
58769bee | 3982 | if (x_noop_count >= 100) |
ef2a22d0 RS |
3983 | { |
3984 | x_noop_count=0; | |
334208b7 | 3985 | XNoOp (dpyinfo->display); |
ef2a22d0 RS |
3986 | } |
3987 | } | |
502add23 | 3988 | |
58769bee | 3989 | #if 0 /* This fails for serial-line connections to the X server, |
7071e5dd RS |
3990 | because the characters arrive one by one, and a partial |
3991 | command makes select return but gives nothing to read. | |
3992 | We'll have to hope that the bug that this tried to fix | |
3993 | in 1988 has been fixed in Xlib or the X server. */ | |
dc6f92b8 JB |
3994 | #ifdef HAVE_SELECT |
3995 | if (expected && ! event_found) | |
3996 | { | |
3997 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3998 | there is an EOF condition; in other words, that X has died. | |
3999 | Act as if there had been a hangup. */ | |
334208b7 | 4000 | int fd = ConnectionNumber (dpyinfo->display); |
307feb1f | 4001 | SELECT_TYPE mask, junk1, junk2; |
66f55a9d | 4002 | EMACS_TIME timeout; |
dc6f92b8 | 4003 | |
61c3ce62 RS |
4004 | FD_ZERO (&mask); |
4005 | FD_SET (fd, &mask); | |
66f55a9d | 4006 | EMACS_SET_SECS_USECS (timeout, 0, 0); |
307feb1f RS |
4007 | FD_ZERO (&junk1); |
4008 | FD_ZERO (&junk2); | |
4009 | if (0 != select (fd + 1, &mask, &junk1, &junk2, &timeout) | |
334208b7 | 4010 | && !XPending (dpyinfo->display)) |
dc6f92b8 JB |
4011 | kill (getpid (), SIGHUP); |
4012 | } | |
61c3ce62 | 4013 | #endif /* HAVE_SELECT */ |
7071e5dd | 4014 | #endif /* 0 */ |
dc6f92b8 | 4015 | |
0134a210 RS |
4016 | /* If the focus was just given to an autoraising frame, |
4017 | raise it now. */ | |
0134a210 RS |
4018 | if (pending_autoraise_frame) |
4019 | { | |
4020 | x_raise_frame (pending_autoraise_frame); | |
4021 | pending_autoraise_frame = 0; | |
4022 | } | |
0134a210 | 4023 | |
dc6f92b8 JB |
4024 | UNBLOCK_INPUT; |
4025 | return count; | |
4026 | } | |
dc6f92b8 | 4027 | \f |
f451eb13 JB |
4028 | /* Drawing the cursor. */ |
4029 | ||
4030 | ||
dc6f92b8 JB |
4031 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
4032 | ||
4033 | static void | |
f676886a JB |
4034 | x_draw_box (f) |
4035 | struct frame *f; | |
dc6f92b8 | 4036 | { |
2a6cf806 RS |
4037 | int left = CHAR_TO_PIXEL_COL (f, curs_x); |
4038 | int top = CHAR_TO_PIXEL_ROW (f, curs_y); | |
f676886a | 4039 | int width = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 4040 | int height = f->display.x->line_height; |
dc6f92b8 | 4041 | |
334208b7 | 4042 | XDrawRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4043 | f->display.x->cursor_gc, |
dc6f92b8 | 4044 | left, top, width - 1, height - 1); |
dc6f92b8 JB |
4045 | } |
4046 | ||
f676886a | 4047 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4048 | and mark the cursor as not shown. |
4049 | This is used when the text where the cursor is | |
4050 | is about to be rewritten. */ | |
4051 | ||
4052 | static void | |
f676886a JB |
4053 | clear_cursor (f) |
4054 | struct frame *f; | |
dc6f92b8 JB |
4055 | { |
4056 | int mask; | |
4057 | ||
f451eb13 | 4058 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4059 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4060 | return; |
4061 | ||
f676886a | 4062 | x_display_cursor (f, 0); |
f676886a | 4063 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4064 | } |
4065 | ||
f676886a | 4066 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4067 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4068 | glyph drawn. */ | |
dc6f92b8 JB |
4069 | |
4070 | static void | |
f676886a JB |
4071 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4072 | struct frame *f; | |
dc6f92b8 | 4073 | int row, column; |
90e65f07 | 4074 | GLYPH glyph; |
dc6f92b8 JB |
4075 | int highlight; |
4076 | { | |
f676886a | 4077 | dumpglyphs (f, |
12ba150f JB |
4078 | CHAR_TO_PIXEL_COL (f, column), |
4079 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4080 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4081 | } |
4082 | ||
dc6f92b8 | 4083 | static void |
dbc4e1c1 | 4084 | x_display_bar_cursor (f, on) |
f676886a | 4085 | struct frame *f; |
dc6f92b8 JB |
4086 | int on; |
4087 | { | |
f676886a | 4088 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4089 | |
49d838ea JB |
4090 | /* This is pointless on invisible frames, and dangerous on garbaged |
4091 | frames; in the latter case, the frame may be in the midst of | |
4092 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4093 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
4094 | return; |
4095 | ||
4096 | if (! on && f->phys_cursor_x < 0) | |
4097 | return; | |
4098 | ||
f676886a | 4099 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 4100 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 4101 | if (f != updating_frame) |
1113d9db | 4102 | { |
f676886a JB |
4103 | curs_x = FRAME_CURSOR_X (f); |
4104 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
4105 | } |
4106 | ||
dbc4e1c1 JB |
4107 | /* If there is anything wrong with the current cursor state, remove it. */ |
4108 | if (f->phys_cursor_x >= 0 | |
4109 | && (!on | |
4110 | || f->phys_cursor_x != curs_x | |
4111 | || f->phys_cursor_y != curs_y | |
4112 | || f->display.x->current_cursor != bar_cursor)) | |
4113 | { | |
4114 | /* Erase the cursor by redrawing the character underneath it. */ | |
4115 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4116 | f->phys_cursor_glyph, | |
4117 | current_glyphs->highlight[f->phys_cursor_y]); | |
4118 | f->phys_cursor_x = -1; | |
4119 | } | |
4120 | ||
4121 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4122 | if (on | |
4123 | && (f->phys_cursor_x < 0 | |
4124 | || (f->display.x->current_cursor != bar_cursor))) | |
4125 | { | |
4126 | f->phys_cursor_glyph | |
4127 | = ((current_glyphs->enable[curs_y] | |
4128 | && curs_x < current_glyphs->used[curs_y]) | |
4129 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4130 | : SPACEGLYPH); | |
334208b7 | 4131 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
4132 | f->display.x->cursor_gc, |
4133 | CHAR_TO_PIXEL_COL (f, curs_x), | |
4134 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
a27f9f86 | 4135 | 1, f->display.x->line_height); |
dbc4e1c1 JB |
4136 | |
4137 | f->phys_cursor_x = curs_x; | |
4138 | f->phys_cursor_y = curs_y; | |
4139 | ||
4140 | f->display.x->current_cursor = bar_cursor; | |
4141 | } | |
4142 | ||
4143 | if (updating_frame != f) | |
334208b7 | 4144 | XFlush (FRAME_X_DISPLAY (f)); |
dbc4e1c1 JB |
4145 | } |
4146 | ||
4147 | ||
4148 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4149 | If ON is nonzero, where to put the cursor is specified | |
4150 | by F->cursor_x and F->cursor_y. */ | |
4151 | ||
4152 | static void | |
4153 | x_display_box_cursor (f, on) | |
4154 | struct frame *f; | |
4155 | int on; | |
4156 | { | |
4157 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4158 | ||
49d838ea JB |
4159 | /* This is pointless on invisible frames, and dangerous on garbaged |
4160 | frames; in the latter case, the frame may be in the midst of | |
4161 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4162 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
4163 | return; |
4164 | ||
4165 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4166 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4167 | return; |
4168 | ||
dbc4e1c1 JB |
4169 | /* If we're not updating, then we want to use the current frame's |
4170 | cursor position, not our local idea of where the cursor ought to be. */ | |
4171 | if (f != updating_frame) | |
4172 | { | |
4173 | curs_x = FRAME_CURSOR_X (f); | |
4174 | curs_y = FRAME_CURSOR_Y (f); | |
4175 | } | |
4176 | ||
dc6f92b8 JB |
4177 | /* If cursor is currently being shown and we don't want it to be |
4178 | or it is in the wrong place, | |
4179 | or we want a hollow box and it's not so, (pout!) | |
4180 | erase it. */ | |
f676886a | 4181 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4182 | && (!on |
f676886a JB |
4183 | || f->phys_cursor_x != curs_x |
4184 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 4185 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 4186 | && (f != x_highlight_frame)))) |
dc6f92b8 | 4187 | { |
79cf7456 RS |
4188 | int mouse_face_here = 0; |
4189 | ||
4190 | /* If the cursor is in the mouse face area, redisplay that when | |
4191 | we clear the cursor. */ | |
4192 | if (f == mouse_face_mouse_frame | |
4193 | && | |
4194 | (f->phys_cursor_y > mouse_face_beg_row | |
4195 | || (f->phys_cursor_y == mouse_face_beg_row | |
4196 | && f->phys_cursor_x >= mouse_face_beg_col)) | |
4197 | && | |
4198 | (f->phys_cursor_y < mouse_face_end_row | |
4199 | || (f->phys_cursor_y == mouse_face_end_row | |
4200 | && f->phys_cursor_x < mouse_face_end_col))) | |
4201 | mouse_face_here = 1; | |
4202 | ||
0cdd0c9f RS |
4203 | /* If the font is not as tall as a whole line, |
4204 | we must explicitly clear the line's whole height. */ | |
4205 | if (FONT_HEIGHT (f->display.x->font) != f->display.x->line_height) | |
334208b7 | 4206 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
4207 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4208 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
4209 | FONT_WIDTH (f->display.x->font), | |
4210 | f->display.x->line_height, False); | |
dc6f92b8 | 4211 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4212 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4213 | f->phys_cursor_glyph, | |
79cf7456 RS |
4214 | (mouse_face_here |
4215 | ? 3 | |
4216 | : current_glyphs->highlight[f->phys_cursor_y])); | |
f676886a | 4217 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4218 | } |
4219 | ||
4220 | /* If we want to show a cursor, | |
4221 | or we want a box cursor and it's not so, | |
4222 | write it in the right place. */ | |
4223 | if (on | |
f676886a | 4224 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 4225 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 4226 | && f == x_highlight_frame))) |
dc6f92b8 | 4227 | { |
f676886a | 4228 | f->phys_cursor_glyph |
1113d9db JB |
4229 | = ((current_glyphs->enable[curs_y] |
4230 | && curs_x < current_glyphs->used[curs_y]) | |
4231 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 4232 | : SPACEGLYPH); |
f676886a | 4233 | if (f != x_highlight_frame) |
dc6f92b8 | 4234 | { |
f676886a | 4235 | x_draw_box (f); |
dbc4e1c1 | 4236 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4237 | } |
4238 | else | |
4239 | { | |
f676886a JB |
4240 | x_draw_single_glyph (f, curs_y, curs_x, |
4241 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 4242 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4243 | } |
4244 | ||
f676886a JB |
4245 | f->phys_cursor_x = curs_x; |
4246 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
4247 | } |
4248 | ||
f676886a | 4249 | if (updating_frame != f) |
334208b7 | 4250 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4251 | } |
4252 | ||
f676886a JB |
4253 | x_display_cursor (f, on) |
4254 | struct frame *f; | |
dc6f92b8 JB |
4255 | int on; |
4256 | { | |
f94397b5 KH |
4257 | BLOCK_INPUT; |
4258 | ||
dbc4e1c1 | 4259 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 4260 | x_display_box_cursor (f, on); |
dbc4e1c1 | 4261 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 4262 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
4263 | else |
4264 | /* Those are the only two we have implemented! */ | |
4265 | abort (); | |
f94397b5 KH |
4266 | |
4267 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4268 | } |
4269 | \f | |
4270 | /* Icons. */ | |
4271 | ||
f676886a | 4272 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4273 | when we get an expose event for it. */ |
4274 | ||
f676886a JB |
4275 | refreshicon (f) |
4276 | struct frame *f; | |
dc6f92b8 | 4277 | { |
dc6f92b8 | 4278 | /* Normally, the window manager handles this function. */ |
dc6f92b8 JB |
4279 | } |
4280 | ||
dbc4e1c1 | 4281 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4282 | |
4283 | int | |
990ba854 | 4284 | x_bitmap_icon (f, file) |
f676886a | 4285 | struct frame *f; |
990ba854 | 4286 | Lisp_Object file; |
dc6f92b8 | 4287 | { |
7f2ae036 | 4288 | int mask, bitmap_id; |
dc6f92b8 JB |
4289 | Window icon_window; |
4290 | ||
c118dd06 | 4291 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4292 | return 1; |
4293 | ||
990ba854 RS |
4294 | /* Free up our existing icon bitmap if any. */ |
4295 | if (f->display.x->icon_bitmap > 0) | |
4296 | x_destroy_bitmap (f, f->display.x->icon_bitmap); | |
4297 | f->display.x->icon_bitmap = 0; | |
4298 | ||
4299 | if (STRINGP (file)) | |
7f2ae036 RS |
4300 | bitmap_id = x_create_bitmap_from_file (f, file); |
4301 | else | |
4302 | { | |
990ba854 | 4303 | /* Create the GNU bitmap if necessary. */ |
334208b7 RS |
4304 | if (!FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id < 0) |
4305 | FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id | |
4306 | = x_create_bitmap_from_data (f, gnu_bits, | |
4307 | gnu_width, gnu_height); | |
990ba854 RS |
4308 | |
4309 | /* The first time we create the GNU bitmap, | |
4310 | this increments the refcount one extra time. | |
4311 | As a result, the GNU bitmap is never freed. | |
4312 | That way, we don't have to worry about allocating it again. */ | |
334208b7 | 4313 | x_reference_bitmap (f, FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id); |
990ba854 | 4314 | |
334208b7 | 4315 | bitmap_id = FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id; |
7f2ae036 RS |
4316 | } |
4317 | ||
4318 | x_wm_set_icon_pixmap (f, bitmap_id); | |
4319 | f->display.x->icon_bitmap = bitmap_id; | |
dc6f92b8 JB |
4320 | |
4321 | return 0; | |
4322 | } | |
4323 | ||
4324 | ||
f676886a | 4325 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
4326 | |
4327 | int | |
f676886a JB |
4328 | x_text_icon (f, icon_name) |
4329 | struct frame *f; | |
dc6f92b8 JB |
4330 | char *icon_name; |
4331 | { | |
c118dd06 | 4332 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4333 | return 1; |
4334 | ||
dc6f92b8 | 4335 | if (icon_name) |
f676886a | 4336 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 4337 | else |
f676886a JB |
4338 | if (! f->display.x->icon_label) |
4339 | f->display.x->icon_label = " *emacs* "; | |
58769bee | 4340 | |
dfeccd2d | 4341 | #if 0 |
334208b7 | 4342 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4343 | (char *) f->display.x->icon_label); |
dfeccd2d | 4344 | #endif |
58769bee | 4345 | |
990ba854 RS |
4346 | if (f->display.x->icon_bitmap > 0) |
4347 | x_destroy_bitmap (f, f->display.x->icon_bitmap); | |
7f2ae036 | 4348 | f->display.x->icon_bitmap = 0; |
b1c884c3 | 4349 | x_wm_set_icon_pixmap (f, 0); |
dc6f92b8 JB |
4350 | |
4351 | return 0; | |
4352 | } | |
4353 | \f | |
4746118a JB |
4354 | /* Handling X errors. */ |
4355 | ||
12ba150f JB |
4356 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
4357 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 4358 | |
4746118a | 4359 | static SIGTYPE |
c118dd06 | 4360 | x_connection_closed () |
4746118a JB |
4361 | { |
4362 | if (_Xdebug) | |
4363 | abort (); | |
12ba150f | 4364 | |
1cd2d6d4 | 4365 | shut_down_emacs (0, 1, Qnil); |
12ba150f JB |
4366 | |
4367 | exit (70); | |
4746118a JB |
4368 | } |
4369 | ||
8922af5f JB |
4370 | /* An X error handler which prints an error message and then kills |
4371 | Emacs. This is what's normally installed as Xlib's handler for | |
4372 | protocol errors. */ | |
c118dd06 JB |
4373 | static int |
4374 | x_error_quitter (display, error) | |
4375 | Display *display; | |
4376 | XErrorEvent *error; | |
4377 | { | |
4378 | char buf[256]; | |
dc6f92b8 | 4379 | |
58769bee | 4380 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 4381 | original error handler. */ |
dc6f92b8 | 4382 | |
c118dd06 JB |
4383 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
4384 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
4385 | buf, error->request_code); | |
dc6f92b8 | 4386 | |
e09f9351 | 4387 | #if 0 |
12ba150f JB |
4388 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4389 | get an X error, so we can figure out why it happened. */ | |
4390 | abort (); | |
e09f9351 | 4391 | #endif |
12ba150f | 4392 | |
c118dd06 | 4393 | x_connection_closed (); |
dc6f92b8 JB |
4394 | } |
4395 | ||
8922af5f JB |
4396 | /* A handler for X IO errors which prints an error message and then |
4397 | kills Emacs. This is what is always installed as Xlib's handler | |
4398 | for I/O errors. */ | |
4399 | static int | |
4400 | x_io_error_quitter (display) | |
4401 | Display *display; | |
4402 | { | |
4403 | fprintf (stderr, "Connection to X server %s lost.\n", | |
4404 | XDisplayName (DisplayString (display))); | |
4405 | ||
e09f9351 | 4406 | #if 0 |
8922af5f JB |
4407 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4408 | get an X error, so we can figure out why it happened. */ | |
4409 | abort (); | |
e09f9351 | 4410 | #endif |
8922af5f JB |
4411 | |
4412 | x_connection_closed (); | |
4413 | } | |
4414 | ||
c118dd06 | 4415 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4416 | static char *x_caught_error_message; |
4417 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4418 | |
4419 | /* An X error handler which stores the error message in | |
4420 | x_caught_error_message. This is what's installed when | |
4421 | x_catch_errors is in effect. */ | |
4422 | static int | |
4423 | x_error_catcher (display, error) | |
4424 | Display *display; | |
4425 | XErrorEvent *error; | |
4426 | { | |
4427 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4428 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4429 | } |
4430 | ||
4431 | ||
334208b7 RS |
4432 | /* Begin trapping X errors for frame F. |
4433 | Actually we trap X errors for all frames, but F should be the frame | |
4434 | you are actually operating on. | |
dc6f92b8 | 4435 | |
c118dd06 JB |
4436 | After calling this function, X protocol errors no longer cause |
4437 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4438 | |
c118dd06 JB |
4439 | Calling x_check_errors signals an Emacs error if an X error has |
4440 | occurred since the last call to x_catch_errors or x_check_errors. | |
4441 | ||
4442 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4443 | ||
bc20ebbf | 4444 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4445 | |
4446 | void | |
334208b7 RS |
4447 | x_catch_errors (f) |
4448 | FRAME_PTR f; | |
dc6f92b8 | 4449 | { |
c118dd06 | 4450 | /* Make sure any errors from previous requests have been dealt with. */ |
334208b7 | 4451 | XSync (FRAME_X_DISPLAY (f), False); |
dc6f92b8 | 4452 | |
c118dd06 | 4453 | /* Set up the error buffer. */ |
60f9aad3 | 4454 | x_caught_error_message |
cef13e55 RS |
4455 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4456 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4457 | |
c118dd06 | 4458 | /* Install our little error handler. */ |
334208b7 | 4459 | XSetErrorHandler (x_error_catcher); |
c118dd06 | 4460 | } |
16bd92ea | 4461 | |
c118dd06 JB |
4462 | /* If any X protocol errors have arrived since the last call to |
4463 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4464 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4465 | |
c118dd06 | 4466 | void |
334208b7 RS |
4467 | x_check_errors (f, format) |
4468 | FRAME_PTR f; | |
c118dd06 JB |
4469 | char *format; |
4470 | { | |
4471 | /* Make sure to catch any errors incurred so far. */ | |
334208b7 | 4472 | XSync (FRAME_X_DISPLAY (f), False); |
16bd92ea | 4473 | |
cef13e55 | 4474 | if (x_caught_error_message[0]) |
c118dd06 | 4475 | { |
cef13e55 | 4476 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4477 | |
cef13e55 | 4478 | sprintf (buf, format, x_caught_error_message); |
334208b7 | 4479 | x_uncatch_errors (f); |
c118dd06 JB |
4480 | error (buf); |
4481 | } | |
4482 | } | |
4483 | ||
b849c413 RS |
4484 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4485 | ||
4486 | int | |
334208b7 RS |
4487 | x_had_errors_p (f) |
4488 | FRAME_PTR f; | |
b849c413 RS |
4489 | { |
4490 | /* Make sure to catch any errors incurred so far. */ | |
334208b7 | 4491 | XSync (FRAME_X_DISPLAY (f), False); |
b849c413 RS |
4492 | |
4493 | return x_caught_error_message[0] != 0; | |
4494 | } | |
4495 | ||
812361a1 RS |
4496 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4497 | ||
c118dd06 | 4498 | void |
334208b7 RS |
4499 | x_uncatch_errors (f) |
4500 | FRAME_PTR f; | |
c118dd06 | 4501 | { |
9ac0d9e0 | 4502 | xfree (x_caught_error_message); |
cef13e55 | 4503 | x_caught_error_message = 0; |
334208b7 | 4504 | XSetErrorHandler (x_error_quitter); |
dc6f92b8 JB |
4505 | } |
4506 | ||
dc6f92b8 JB |
4507 | #if 0 |
4508 | static unsigned int x_wire_count; | |
4509 | x_trace_wire () | |
4510 | { | |
4511 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4512 | } | |
c118dd06 | 4513 | #endif /* ! 0 */ |
dc6f92b8 JB |
4514 | |
4515 | \f | |
f451eb13 JB |
4516 | /* Changing the font of the frame. */ |
4517 | ||
f676886a | 4518 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 4519 | to the font named NEWNAME. This is safe to use |
f676886a | 4520 | even before F has an actual x-window. */ |
dc6f92b8 | 4521 | |
2224a5fc RS |
4522 | struct font_info |
4523 | { | |
4524 | XFontStruct *font; | |
4525 | char *name; | |
76bcdf39 | 4526 | char *full_name; |
2224a5fc RS |
4527 | }; |
4528 | ||
dc6f92b8 | 4529 | /* A table of all the fonts we have already loaded. */ |
2224a5fc | 4530 | static struct font_info *x_font_table; |
dc6f92b8 JB |
4531 | |
4532 | /* The current capacity of x_font_table. */ | |
4533 | static int x_font_table_size; | |
4534 | ||
4535 | /* The number of fonts actually stored in x_font_table. | |
4536 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
4537 | 0 <= n_fonts <= x_font_table_size. */ | |
4538 | static int n_fonts; | |
4539 | ||
76bcdf39 RS |
4540 | /* Give frame F the font named FONTNAME as its default font, and |
4541 | return the full name of that font. FONTNAME may be a wildcard | |
4542 | pattern; in that case, we choose some font that fits the pattern. | |
4543 | The return value shows which font we chose. */ | |
4544 | ||
b5cf7a0e | 4545 | Lisp_Object |
f676886a JB |
4546 | x_new_font (f, fontname) |
4547 | struct frame *f; | |
dc6f92b8 JB |
4548 | register char *fontname; |
4549 | { | |
dc6f92b8 JB |
4550 | int already_loaded; |
4551 | int n_matching_fonts; | |
4552 | XFontStruct *font_info; | |
4553 | char **font_names; | |
4554 | ||
4555 | /* Get a list of all the fonts that match this name. Once we | |
4556 | have a list of matching fonts, we compare them against the fonts | |
4557 | we already have by comparing font ids. */ | |
334208b7 | 4558 | font_names = (char **) XListFonts (FRAME_X_DISPLAY (f), fontname, |
2224a5fc | 4559 | 1024, &n_matching_fonts); |
0c94f6ee JB |
4560 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4561 | find any matches; font_names == 0 is the only clue. */ | |
4562 | if (! font_names) | |
4563 | n_matching_fonts = 0; | |
4564 | ||
5835f860 RS |
4565 | /* Don't just give up if n_matching_fonts is 0. |
4566 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4567 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 4568 | |
90e65f07 | 4569 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
4570 | already_loaded = -1; |
4571 | if (n_matching_fonts != 0) | |
4572 | { | |
4573 | int i, j; | |
dc6f92b8 | 4574 | |
5835f860 RS |
4575 | for (i = 0; i < n_fonts; i++) |
4576 | for (j = 0; j < n_matching_fonts; j++) | |
76bcdf39 RS |
4577 | if (!strcmp (x_font_table[i].name, font_names[j]) |
4578 | || !strcmp (x_font_table[i].full_name, font_names[j])) | |
5835f860 RS |
4579 | { |
4580 | already_loaded = i; | |
76bcdf39 | 4581 | fontname = x_font_table[i].full_name; |
5835f860 RS |
4582 | goto found_font; |
4583 | } | |
4584 | } | |
dc6f92b8 | 4585 | found_font: |
58769bee | 4586 | |
dc6f92b8 | 4587 | /* If we have, just return it from the table. */ |
2224a5fc | 4588 | if (already_loaded >= 0) |
b2cad826 | 4589 | f->display.x->font = x_font_table[already_loaded].font; |
dc6f92b8 JB |
4590 | /* Otherwise, load the font and add it to the table. */ |
4591 | else | |
4592 | { | |
9696f58b | 4593 | int i; |
76bcdf39 | 4594 | char *full_name; |
dc6f92b8 JB |
4595 | XFontStruct *font; |
4596 | ||
9696f58b | 4597 | /* Try to find a character-cell font in the list. */ |
58769bee | 4598 | #if 0 |
f126bd67 | 4599 | /* A laudable goal, but this isn't how to do it. */ |
9696f58b JB |
4600 | for (i = 0; i < n_matching_fonts; i++) |
4601 | if (! font_info[i].per_char) | |
4602 | break; | |
f126bd67 JB |
4603 | #else |
4604 | i = 0; | |
4605 | #endif | |
9696f58b | 4606 | |
5835f860 RS |
4607 | /* See comment above. */ |
4608 | if (n_matching_fonts != 0) | |
9696f58b JB |
4609 | fontname = font_names[i]; |
4610 | ||
334208b7 | 4611 | font = (XFontStruct *) XLoadQueryFont (FRAME_X_DISPLAY (f), fontname); |
dc6f92b8 | 4612 | if (! font) |
5835f860 | 4613 | { |
2224a5fc | 4614 | /* Free the information from XListFonts. */ |
5835f860 | 4615 | if (n_matching_fonts) |
2224a5fc | 4616 | XFreeFontNames (font_names); |
5835f860 RS |
4617 | return Qnil; |
4618 | } | |
dc6f92b8 JB |
4619 | |
4620 | /* Do we need to create the table? */ | |
4621 | if (x_font_table_size == 0) | |
4622 | { | |
4623 | x_font_table_size = 16; | |
4624 | x_font_table | |
2224a5fc RS |
4625 | = (struct font_info *) xmalloc (x_font_table_size |
4626 | * sizeof (x_font_table[0])); | |
dc6f92b8 JB |
4627 | } |
4628 | /* Do we need to grow the table? */ | |
4629 | else if (n_fonts >= x_font_table_size) | |
4630 | { | |
90e65f07 | 4631 | x_font_table_size *= 2; |
dc6f92b8 | 4632 | x_font_table |
2224a5fc RS |
4633 | = (struct font_info *) xrealloc (x_font_table, |
4634 | (x_font_table_size | |
4635 | * sizeof (x_font_table[0]))); | |
dc6f92b8 JB |
4636 | } |
4637 | ||
76bcdf39 RS |
4638 | /* Try to get the full name of FONT. Put it in full_name. */ |
4639 | full_name = 0; | |
4640 | for (i = 0; i < font->n_properties; i++) | |
4641 | { | |
4642 | char *atom | |
334208b7 | 4643 | = XGetAtomName (FRAME_X_DISPLAY (f), font->properties[i].name); |
76bcdf39 | 4644 | if (!strcmp (atom, "FONT")) |
7965883b | 4645 | { |
334208b7 | 4646 | char *name = XGetAtomName (FRAME_X_DISPLAY (f), |
7965883b RS |
4647 | (Atom) (font->properties[i].card32)); |
4648 | char *p = name; | |
4649 | int dashes = 0; | |
4650 | ||
4651 | /* Count the number of dashes in the "full name". | |
4652 | If it is too few, this isn't really the font's full name, | |
4653 | so don't use it. | |
4654 | In X11R4, the fonts did not come with their canonical names | |
4655 | stored in them. */ | |
4656 | while (*p) | |
4657 | { | |
4658 | if (*p == '-') | |
4659 | dashes++; | |
4660 | p++; | |
4661 | } | |
4662 | ||
4663 | if (dashes >= 13) | |
4664 | full_name = name; | |
8ed24d5a RS |
4665 | |
4666 | break; | |
7965883b RS |
4667 | } |
4668 | ||
76bcdf39 RS |
4669 | XFree (atom); |
4670 | } | |
4671 | ||
dff815ef | 4672 | x_font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); |
2224a5fc | 4673 | bcopy (fontname, x_font_table[n_fonts].name, strlen (fontname) + 1); |
76bcdf39 RS |
4674 | if (full_name != 0) |
4675 | x_font_table[n_fonts].full_name = full_name; | |
4676 | else | |
4677 | x_font_table[n_fonts].full_name = x_font_table[n_fonts].name; | |
2224a5fc | 4678 | f->display.x->font = x_font_table[n_fonts++].font = font; |
76bcdf39 | 4679 | |
d53067dc RS |
4680 | if (full_name) |
4681 | fontname = full_name; | |
dc6f92b8 | 4682 | } |
2224a5fc | 4683 | |
b2cad826 KH |
4684 | /* Compute the scroll bar width in character columns. */ |
4685 | if (f->scroll_bar_pixel_width > 0) | |
4686 | { | |
4687 | int wid = FONT_WIDTH (f->display.x->font); | |
4688 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; | |
4689 | } | |
4690 | else | |
4691 | f->scroll_bar_cols = 2; | |
4692 | ||
f676886a | 4693 | /* Now make the frame display the given font. */ |
c118dd06 | 4694 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4695 | { |
334208b7 | 4696 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->normal_gc, |
f676886a | 4697 | f->display.x->font->fid); |
334208b7 | 4698 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->reverse_gc, |
f676886a | 4699 | f->display.x->font->fid); |
334208b7 | 4700 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->cursor_gc, |
f676886a JB |
4701 | f->display.x->font->fid); |
4702 | ||
a27f9f86 | 4703 | frame_update_line_height (f); |
0134a210 | 4704 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 4705 | } |
a27f9f86 RS |
4706 | else |
4707 | /* If we are setting a new frame's font for the first time, | |
4708 | there are no faces yet, so this font's height is the line height. */ | |
0cdd0c9f | 4709 | f->display.x->line_height = FONT_HEIGHT (f->display.x->font); |
dc6f92b8 | 4710 | |
b5cf7a0e | 4711 | { |
abdda982 | 4712 | Lisp_Object lispy_name; |
b5cf7a0e | 4713 | |
abdda982 | 4714 | lispy_name = build_string (fontname); |
b5cf7a0e | 4715 | |
2224a5fc | 4716 | /* Free the information from XListFonts. The data |
b5cf7a0e | 4717 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 4718 | XFreeFontNames (font_names); |
b5cf7a0e JB |
4719 | |
4720 | return lispy_name; | |
4721 | } | |
dc6f92b8 | 4722 | } |
dc6f92b8 | 4723 | \f |
43bca5d5 | 4724 | x_calc_absolute_position (f) |
f676886a | 4725 | struct frame *f; |
dc6f92b8 | 4726 | { |
6dba1858 RS |
4727 | Window win, child; |
4728 | int win_x = 0, win_y = 0; | |
43bca5d5 | 4729 | int flags = f->display.x->size_hint_flags; |
6dba1858 RS |
4730 | |
4731 | /* Find the position of the outside upper-left corner of | |
4732 | the inner window, with respect to the outer window. */ | |
334208b7 | 4733 | if (f->display.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
6dba1858 RS |
4734 | { |
4735 | BLOCK_INPUT; | |
334208b7 | 4736 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
58769bee | 4737 | |
6dba1858 RS |
4738 | /* From-window, to-window. */ |
4739 | f->display.x->window_desc, | |
4740 | f->display.x->parent_desc, | |
4741 | ||
4742 | /* From-position, to-position. */ | |
4743 | 0, 0, &win_x, &win_y, | |
4744 | ||
4745 | /* Child of win. */ | |
4746 | &child); | |
4747 | UNBLOCK_INPUT; | |
4748 | } | |
4749 | ||
4750 | /* Treat negative positions as relative to the leftmost bottommost | |
4751 | position that fits on the screen. */ | |
20f55f9a | 4752 | if (flags & XNegative) |
334208b7 | 4753 | f->display.x->left_pos = (FRAME_X_DISPLAY_INFO (f)->width |
69388238 | 4754 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
4755 | - PIXEL_WIDTH (f) |
4756 | + f->display.x->left_pos); | |
dc6f92b8 | 4757 | |
20f55f9a | 4758 | if (flags & YNegative) |
334208b7 | 4759 | f->display.x->top_pos = (FRAME_X_DISPLAY_INFO (f)->height |
69388238 | 4760 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
4761 | - PIXEL_HEIGHT (f) |
4762 | + f->display.x->top_pos); | |
3a35ab44 RS |
4763 | /* The left_pos and top_pos |
4764 | are now relative to the top and left screen edges, | |
4765 | so the flags should correspond. */ | |
4766 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
dc6f92b8 JB |
4767 | } |
4768 | ||
3a35ab44 RS |
4769 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
4770 | to really change the position, and 0 when calling from | |
4771 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
4772 | position values). */ | |
4773 | ||
dc05a16b | 4774 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 4775 | struct frame *f; |
dc6f92b8 | 4776 | register int xoff, yoff; |
dc05a16b | 4777 | int change_gravity; |
dc6f92b8 | 4778 | { |
3a35ab44 RS |
4779 | if (change_gravity) |
4780 | { | |
4781 | f->display.x->top_pos = yoff; | |
4782 | f->display.x->left_pos = xoff; | |
4783 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
4784 | if (xoff < 0) | |
4785 | f->display.x->size_hint_flags |= XNegative; | |
4786 | if (yoff < 0) | |
4787 | f->display.x->size_hint_flags |= YNegative; | |
4788 | f->display.x->win_gravity = NorthWestGravity; | |
4789 | } | |
43bca5d5 | 4790 | x_calc_absolute_position (f); |
dc6f92b8 JB |
4791 | |
4792 | BLOCK_INPUT; | |
3a35ab44 RS |
4793 | x_wm_set_size_hint (f, 0, 0); |
4794 | ||
3afe33e7 | 4795 | #ifdef USE_X_TOOLKIT |
334208b7 | 4796 | XMoveWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget), |
3afe33e7 RS |
4797 | f->display.x->left_pos, f->display.x->top_pos); |
4798 | #else /* not USE_X_TOOLKIT */ | |
334208b7 | 4799 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4800 | f->display.x->left_pos, f->display.x->top_pos); |
3afe33e7 | 4801 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
4802 | UNBLOCK_INPUT; |
4803 | } | |
4804 | ||
bc20ebbf FP |
4805 | /* Call this to change the size of frame F's x-window. |
4806 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
4807 | for this size change and subsequent size changes. | |
4808 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 4809 | |
bc20ebbf | 4810 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 4811 | struct frame *f; |
bc20ebbf | 4812 | int change_gravity; |
b1c884c3 | 4813 | int cols, rows; |
dc6f92b8 JB |
4814 | { |
4815 | int pixelwidth, pixelheight; | |
4816 | int mask; | |
dc6f92b8 | 4817 | |
80fd1fe2 FP |
4818 | #ifdef USE_X_TOOLKIT |
4819 | BLOCK_INPUT; | |
3a20653d RS |
4820 | { |
4821 | /* The x and y position of the widget is clobbered by the | |
4822 | call to XtSetValues within EmacsFrameSetCharSize. | |
4823 | This is a real kludge, but I don't understand Xt so I can't | |
4824 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
4825 | int xpos = f->display.x->widget->core.x; | |
4826 | int ypos = f->display.x->widget->core.y; | |
4827 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
4828 | f->display.x->widget->core.x = xpos; | |
4829 | f->display.x->widget->core.y = ypos; | |
4830 | } | |
80fd1fe2 FP |
4831 | UNBLOCK_INPUT; |
4832 | ||
4833 | #else /* not USE_X_TOOLKIT */ | |
4834 | ||
dc6f92b8 JB |
4835 | BLOCK_INPUT; |
4836 | ||
b1c884c3 | 4837 | check_frame_size (f, &rows, &cols); |
6dba1858 | 4838 | f->display.x->vertical_scroll_bar_extra |
b2cad826 KH |
4839 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
4840 | ? 0 | |
4841 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
480407eb | 4842 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
b2cad826 | 4843 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->display.x->font))); |
f451eb13 JB |
4844 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
4845 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 | 4846 | |
af31d76f RS |
4847 | f->display.x->win_gravity = NorthWestGravity; |
4848 | x_wm_set_size_hint (f, 0, 0); | |
6ccf47d1 | 4849 | |
334208b7 RS |
4850 | XSync (FRAME_X_DISPLAY (f), False); |
4851 | XResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
4852 | pixelwidth, pixelheight); | |
b1c884c3 JB |
4853 | |
4854 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4855 | but the window manager will get around to dealing with the size | |
4856 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4857 | ConfigureNotify event gets here. |
4858 | ||
4859 | We could just not bother storing any of this information here, | |
4860 | and let the ConfigureNotify event set everything up, but that | |
4861 | might be kind of confusing to the lisp code, since size changes | |
4862 | wouldn't be reported in the frame parameters until some random | |
4863 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4864 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4865 | PIXEL_WIDTH (f) = pixelwidth; |
4866 | PIXEL_HEIGHT (f) = pixelheight; | |
4867 | ||
4d73d038 RS |
4868 | /* If cursor was outside the new size, mark it as off. */ |
4869 | if (f->phys_cursor_y >= rows | |
4870 | || f->phys_cursor_x >= cols) | |
4871 | { | |
4872 | f->phys_cursor_x = -1; | |
4873 | f->phys_cursor_y = -1; | |
4874 | } | |
4875 | ||
dbc4e1c1 JB |
4876 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4877 | receive in the ConfigureNotify event; if we get what we asked | |
4878 | for, then the event won't cause the screen to become garbaged, so | |
4879 | we have to make sure to do it here. */ | |
4880 | SET_FRAME_GARBAGED (f); | |
4881 | ||
334208b7 | 4882 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 4883 | UNBLOCK_INPUT; |
80fd1fe2 | 4884 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 4885 | } |
dc6f92b8 | 4886 | \f |
f451eb13 | 4887 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4888 | |
9b378208 | 4889 | void |
f676886a JB |
4890 | x_set_mouse_position (f, x, y) |
4891 | struct frame *f; | |
dc6f92b8 JB |
4892 | int x, y; |
4893 | { | |
4894 | int pix_x, pix_y; | |
4895 | ||
12ba150f | 4896 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
a27f9f86 | 4897 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->display.x->line_height / 2; |
f451eb13 JB |
4898 | |
4899 | if (pix_x < 0) pix_x = 0; | |
4900 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4901 | ||
4902 | if (pix_y < 0) pix_y = 0; | |
4903 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4904 | |
4905 | BLOCK_INPUT; | |
dc6f92b8 | 4906 | |
334208b7 RS |
4907 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
4908 | 0, 0, 0, 0, pix_x, pix_y); | |
dc6f92b8 JB |
4909 | UNBLOCK_INPUT; |
4910 | } | |
4911 | ||
9b378208 RS |
4912 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
4913 | ||
4914 | void | |
4915 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
4916 | struct frame *f; | |
4917 | int pix_x, pix_y; | |
4918 | { | |
4919 | BLOCK_INPUT; | |
4920 | ||
334208b7 RS |
4921 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
4922 | 0, 0, 0, 0, pix_x, pix_y); | |
9b378208 RS |
4923 | UNBLOCK_INPUT; |
4924 | } | |
4925 | ||
f676886a JB |
4926 | x_focus_on_frame (f) |
4927 | struct frame *f; | |
dc6f92b8 | 4928 | { |
1fb20991 | 4929 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 4930 | x_raise_frame (f); |
1fb20991 | 4931 | #endif |
6d4238f3 JB |
4932 | #if 0 |
4933 | /* I don't think that the ICCCM allows programs to do things like this | |
4934 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4935 | doing with this code, do it to x_unfocus_frame too. */ |
334208b7 | 4936 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dc6f92b8 | 4937 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4938 | #endif /* ! 0 */ |
dc6f92b8 JB |
4939 | } |
4940 | ||
f676886a JB |
4941 | x_unfocus_frame (f) |
4942 | struct frame *f; | |
dc6f92b8 | 4943 | { |
6d4238f3 | 4944 | #if 0 |
f676886a JB |
4945 | /* Look at the remarks in x_focus_on_frame. */ |
4946 | if (x_focus_frame == f) | |
334208b7 | 4947 | XSetInputFocus (FRAME_X_DISPLAY (f), PointerRoot, |
dc6f92b8 | 4948 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4949 | #endif /* ! 0 */ |
dc6f92b8 JB |
4950 | } |
4951 | ||
f676886a | 4952 | /* Raise frame F. */ |
dc6f92b8 | 4953 | |
f676886a JB |
4954 | x_raise_frame (f) |
4955 | struct frame *f; | |
dc6f92b8 | 4956 | { |
3a88c238 | 4957 | if (f->async_visible) |
dc6f92b8 JB |
4958 | { |
4959 | BLOCK_INPUT; | |
3afe33e7 | 4960 | #ifdef USE_X_TOOLKIT |
334208b7 | 4961 | XRaiseWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget)); |
3afe33e7 | 4962 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 4963 | XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 4964 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 4965 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4966 | UNBLOCK_INPUT; |
4967 | } | |
4968 | } | |
4969 | ||
f676886a | 4970 | /* Lower frame F. */ |
dc6f92b8 | 4971 | |
f676886a JB |
4972 | x_lower_frame (f) |
4973 | struct frame *f; | |
dc6f92b8 | 4974 | { |
3a88c238 | 4975 | if (f->async_visible) |
dc6f92b8 JB |
4976 | { |
4977 | BLOCK_INPUT; | |
3afe33e7 | 4978 | #ifdef USE_X_TOOLKIT |
334208b7 | 4979 | XLowerWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget)); |
3afe33e7 | 4980 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 4981 | XLowerWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 4982 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 4983 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4984 | UNBLOCK_INPUT; |
4985 | } | |
4986 | } | |
4987 | ||
dbc4e1c1 JB |
4988 | static void |
4989 | XTframe_raise_lower (f, raise) | |
4990 | FRAME_PTR f; | |
4991 | int raise; | |
4992 | { | |
4993 | if (raise) | |
4994 | x_raise_frame (f); | |
4995 | else | |
4996 | x_lower_frame (f); | |
4997 | } | |
4998 | ||
fd13dbb2 RS |
4999 | /* Change from withdrawn state to mapped state, |
5000 | or deiconify. */ | |
dc6f92b8 | 5001 | |
f676886a JB |
5002 | x_make_frame_visible (f) |
5003 | struct frame *f; | |
dc6f92b8 JB |
5004 | { |
5005 | int mask; | |
990ba854 | 5006 | Lisp_Object type; |
dc6f92b8 | 5007 | |
dc6f92b8 | 5008 | BLOCK_INPUT; |
dc6f92b8 | 5009 | |
990ba854 RS |
5010 | type = x_icon_type (f); |
5011 | if (!NILP (type)) | |
5012 | x_bitmap_icon (f, type); | |
bdcd49ba | 5013 | |
f676886a | 5014 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 | 5015 | { |
af31d76f | 5016 | #ifndef USE_X_TOOLKIT |
fd13dbb2 RS |
5017 | if (! FRAME_ICONIFIED_P (f)) |
5018 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
af31d76f | 5019 | #endif |
dc05a16b | 5020 | |
90e65f07 | 5021 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 5022 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 5023 | #ifdef USE_X_TOOLKIT |
d7a38a2e RS |
5024 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
5025 | XtMapWidget (f->display.x->widget); | |
3afe33e7 | 5026 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 5027 | XMapWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5028 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
5029 | #if 0 /* This seems to bring back scroll bars in the wrong places |
5030 | if the window configuration has changed. They seem | |
5031 | to come back ok without this. */ | |
ab648270 | 5032 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 5033 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 5034 | #endif |
90e65f07 | 5035 | } |
dc6f92b8 | 5036 | |
334208b7 | 5037 | XFlush (FRAME_X_DISPLAY (f)); |
90e65f07 | 5038 | |
0dacf791 RS |
5039 | /* Synchronize to ensure Emacs knows the frame is visible |
5040 | before we do anything else. We do this loop with input not blocked | |
5041 | so that incoming events are handled. */ | |
5042 | { | |
5043 | Lisp_Object frame; | |
c0a04927 RS |
5044 | int count = input_signal_count; |
5045 | ||
5046 | /* This must come after we set COUNT. */ | |
5047 | UNBLOCK_INPUT; | |
5048 | ||
e0c1aef2 | 5049 | XSETFRAME (frame, f); |
c0a04927 RS |
5050 | |
5051 | while (1) | |
2a6cf806 | 5052 | { |
334208b7 | 5053 | x_sync (f); |
c0a04927 RS |
5054 | /* Once we have handled input events, |
5055 | we should have received the MapNotify if one is coming. | |
5056 | So if we have not got it yet, stop looping. | |
5057 | Some window managers make their own decisions | |
5058 | about visibility. */ | |
5059 | if (input_signal_count != count) | |
5060 | break; | |
c12a7cbd | 5061 | /* Machines that do polling rather than SIGIO have been observed |
23cf7c60 KH |
5062 | to go into a busy-wait here. So we'll fake an alarm signal |
5063 | to let the handler know that there's something to be read. | |
5064 | We used to raise a real alarm, but it seems that the handler | |
5065 | isn't always enabled here. This is probably a bug. */ | |
8b2f8d4e | 5066 | if (input_polling_used ()) |
3b2fa4e6 RS |
5067 | { |
5068 | /* It could be confusing if a real alarm arrives while processing | |
5069 | the fake one. Turn it off and let the handler reset it. */ | |
5070 | alarm (0); | |
5071 | input_poll_signal (); | |
5072 | } | |
c0a04927 RS |
5073 | /* Once we have handled input events, |
5074 | we should have received the MapNotify if one is coming. | |
5075 | So if we have not got it yet, stop looping. | |
5076 | Some window managers make their own decisions | |
5077 | about visibility. */ | |
5078 | if (input_signal_count != count) | |
5079 | break; | |
2a6cf806 | 5080 | } |
0dacf791 RS |
5081 | FRAME_SAMPLE_VISIBILITY (f); |
5082 | } | |
dc6f92b8 JB |
5083 | } |
5084 | ||
5085 | /* Change from mapped state to withdrawn state. */ | |
5086 | ||
f676886a JB |
5087 | x_make_frame_invisible (f) |
5088 | struct frame *f; | |
dc6f92b8 JB |
5089 | { |
5090 | int mask; | |
546e6d5b RS |
5091 | Window window; |
5092 | ||
5093 | #ifdef USE_X_TOOLKIT | |
5094 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
5095 | window = XtWindow (f->display.x->widget); | |
5096 | #else /* not USE_X_TOOLKIT */ | |
5097 | window = FRAME_X_WINDOW (f); | |
5098 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5099 | |
9319ae23 RS |
5100 | /* Don't keep the highlight on an invisible frame. */ |
5101 | if (x_highlight_frame == f) | |
5102 | x_highlight_frame = 0; | |
5103 | ||
5627c40e | 5104 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5105 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5106 | return; |
5627c40e | 5107 | #endif |
dc6f92b8 JB |
5108 | |
5109 | BLOCK_INPUT; | |
c118dd06 | 5110 | |
af31d76f RS |
5111 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
5112 | that the current position of the window is user-specified, rather than | |
5113 | program-specified, so that when the window is mapped again, it will be | |
5114 | placed at the same location, without forcing the user to position it | |
5115 | by hand again (they have already done that once for this window.) */ | |
5116 | x_wm_set_size_hint (f, 0, 1); | |
5117 | ||
c118dd06 JB |
5118 | #ifdef HAVE_X11R4 |
5119 | ||
334208b7 RS |
5120 | if (! XWithdrawWindow (FRAME_X_DISPLAY (f), window, |
5121 | DefaultScreen (FRAME_X_DISPLAY (f)))) | |
c118dd06 JB |
5122 | { |
5123 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5124 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 5125 | } |
c118dd06 | 5126 | #else /* ! defined (HAVE_X11R4) */ |
16bd92ea | 5127 | |
c118dd06 | 5128 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5129 | if (! EQ (Vx_no_window_manager, Qt)) |
5130 | { | |
16bd92ea | 5131 | XEvent unmap; |
dc6f92b8 | 5132 | |
16bd92ea | 5133 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 5134 | unmap.xunmap.window = window; |
334208b7 | 5135 | unmap.xunmap.event = DefaultRootWindow (FRAME_X_DISPLAY (f)); |
16bd92ea | 5136 | unmap.xunmap.from_configure = False; |
334208b7 RS |
5137 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5138 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5139 | False, |
5140 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5141 | &unmap)) | |
5142 | { | |
5143 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5144 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 5145 | } |
dc6f92b8 JB |
5146 | } |
5147 | ||
16bd92ea | 5148 | /* Unmap the window ourselves. Cheeky! */ |
334208b7 | 5149 | XUnmapWindow (FRAME_X_DISPLAY (f), window); |
c118dd06 | 5150 | #endif /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 5151 | |
5627c40e RS |
5152 | /* We can't distinguish this from iconification |
5153 | just by the event that we get from the server. | |
5154 | So we can't win using the usual strategy of letting | |
5155 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5156 | and synchronize with the server to make sure we agree. */ | |
5157 | f->visible = 0; | |
5158 | FRAME_ICONIFIED_P (f) = 0; | |
5159 | f->async_visible = 0; | |
5160 | f->async_iconified = 0; | |
5161 | ||
334208b7 | 5162 | x_sync (f); |
5627c40e | 5163 | |
dc6f92b8 JB |
5164 | UNBLOCK_INPUT; |
5165 | } | |
5166 | ||
dc6f92b8 JB |
5167 | /* Change window state from mapped to iconified. */ |
5168 | ||
f676886a JB |
5169 | x_iconify_frame (f) |
5170 | struct frame *f; | |
dc6f92b8 JB |
5171 | { |
5172 | int mask; | |
3afe33e7 | 5173 | int result; |
990ba854 | 5174 | Lisp_Object type; |
dc6f92b8 | 5175 | |
9319ae23 RS |
5176 | /* Don't keep the highlight on an invisible frame. */ |
5177 | if (x_highlight_frame == f) | |
5178 | x_highlight_frame = 0; | |
5179 | ||
3a88c238 | 5180 | if (f->async_iconified) |
dc6f92b8 JB |
5181 | return; |
5182 | ||
3afe33e7 | 5183 | BLOCK_INPUT; |
546e6d5b | 5184 | |
990ba854 RS |
5185 | type = x_icon_type (f); |
5186 | if (!NILP (type)) | |
5187 | x_bitmap_icon (f, type); | |
bdcd49ba RS |
5188 | |
5189 | #ifdef USE_X_TOOLKIT | |
5190 | ||
546e6d5b RS |
5191 | if (! FRAME_VISIBLE_P (f)) |
5192 | { | |
5193 | if (! EQ (Vx_no_window_manager, Qt)) | |
5194 | x_wm_set_window_state (f, IconicState); | |
5195 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
5196 | XtMapWidget (f->display.x->widget); | |
5197 | UNBLOCK_INPUT; | |
5198 | return; | |
5199 | } | |
5200 | ||
334208b7 | 5201 | result = XIconifyWindow (FRAME_X_DISPLAY (f), |
bc20ebbf | 5202 | XtWindow (f->display.x->widget), |
334208b7 | 5203 | DefaultScreen (FRAME_X_DISPLAY (f))); |
3afe33e7 RS |
5204 | UNBLOCK_INPUT; |
5205 | ||
5206 | if (!result) | |
546e6d5b | 5207 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
5208 | |
5209 | f->async_iconified = 1; | |
8c002a25 KH |
5210 | |
5211 | BLOCK_INPUT; | |
334208b7 | 5212 | XFlush (FRAME_X_DISPLAY (f)); |
8c002a25 | 5213 | UNBLOCK_INPUT; |
3afe33e7 RS |
5214 | #else /* not USE_X_TOOLKIT */ |
5215 | ||
fd13dbb2 RS |
5216 | /* Make sure the X server knows where the window should be positioned, |
5217 | in case the user deiconifies with the window manager. */ | |
5218 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
5219 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
5220 | ||
16bd92ea JB |
5221 | /* Since we don't know which revision of X we're running, we'll use both |
5222 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5223 | ||
5224 | /* X11R4: send a ClientMessage to the window manager using the | |
5225 | WM_CHANGE_STATE type. */ | |
5226 | { | |
5227 | XEvent message; | |
58769bee | 5228 | |
c118dd06 | 5229 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea | 5230 | message.xclient.type = ClientMessage; |
334208b7 | 5231 | message.xclient.message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_change_state; |
16bd92ea JB |
5232 | message.xclient.format = 32; |
5233 | message.xclient.data.l[0] = IconicState; | |
5234 | ||
334208b7 RS |
5235 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5236 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5237 | False, |
5238 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5239 | &message)) | |
dc6f92b8 JB |
5240 | { |
5241 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5242 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 5243 | } |
16bd92ea | 5244 | } |
dc6f92b8 | 5245 | |
58769bee | 5246 | /* X11R3: set the initial_state field of the window manager hints to |
16bd92ea JB |
5247 | IconicState. */ |
5248 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5249 | |
a9c00105 RS |
5250 | if (!FRAME_VISIBLE_P (f)) |
5251 | { | |
5252 | /* If the frame was withdrawn, before, we must map it. */ | |
334208b7 | 5253 | XMapWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 5254 | #if 0 /* We don't have subwindows in the icon. */ |
a9c00105 | 5255 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 5256 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 5257 | #endif |
a9c00105 RS |
5258 | } |
5259 | ||
3a88c238 | 5260 | f->async_iconified = 1; |
dc6f92b8 | 5261 | |
334208b7 | 5262 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5263 | UNBLOCK_INPUT; |
8c002a25 | 5264 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5265 | } |
5266 | ||
c0ff3fab | 5267 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5268 | |
c0ff3fab | 5269 | x_destroy_window (f) |
f676886a | 5270 | struct frame *f; |
dc6f92b8 | 5271 | { |
dc6f92b8 | 5272 | BLOCK_INPUT; |
c0ff3fab JB |
5273 | |
5274 | if (f->display.x->icon_desc != 0) | |
334208b7 RS |
5275 | XDestroyWindow (FRAME_X_DISPLAY (f), f->display.x->icon_desc); |
5276 | XDestroyWindow (FRAME_X_DISPLAY (f), f->display.x->window_desc); | |
3afe33e7 RS |
5277 | #ifdef USE_X_TOOLKIT |
5278 | XtDestroyWidget (f->display.x->widget); | |
9d7e2e3e | 5279 | free_frame_menubar (f); |
3afe33e7 RS |
5280 | #endif /* USE_X_TOOLKIT */ |
5281 | ||
07e34cb0 | 5282 | free_frame_faces (f); |
334208b7 | 5283 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5284 | |
334208b7 | 5285 | FRAME_X_DISPLAY_INFO (f)->reference_count--; |
4eacadbd | 5286 | #if 0 |
334208b7 RS |
5287 | if (FRAME_X_DISPLAY_INFO (f)->reference_count == 0) |
5288 | free (FRAME_X_DISPLAY_INFO (f)); | |
4eacadbd RS |
5289 | #endif |
5290 | ||
9ac0d9e0 | 5291 | xfree (f->display.x); |
c0ff3fab | 5292 | f->display.x = 0; |
f676886a JB |
5293 | if (f == x_focus_frame) |
5294 | x_focus_frame = 0; | |
5295 | if (f == x_highlight_frame) | |
5296 | x_highlight_frame = 0; | |
c0ff3fab | 5297 | |
0134a210 | 5298 | if (f == mouse_face_mouse_frame) |
dc05a16b | 5299 | { |
3b506386 KH |
5300 | mouse_face_beg_row = mouse_face_beg_col = -1; |
5301 | mouse_face_end_row = mouse_face_end_col = -1; | |
dc05a16b RS |
5302 | mouse_face_window = Qnil; |
5303 | } | |
0134a210 | 5304 | |
c0ff3fab | 5305 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5306 | } |
5307 | \f | |
f451eb13 JB |
5308 | /* Setting window manager hints. */ |
5309 | ||
af31d76f RS |
5310 | /* Set the normal size hints for the window manager, for frame F. |
5311 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5312 | that the window now has. | |
5313 | If USER_POSITION is nonzero, we set the USPosition | |
5314 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5315 | |
af31d76f | 5316 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5317 | struct frame *f; |
af31d76f RS |
5318 | long flags; |
5319 | int user_position; | |
dc6f92b8 JB |
5320 | { |
5321 | XSizeHints size_hints; | |
3afe33e7 RS |
5322 | |
5323 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5324 | Arg al[2]; |
5325 | int ac = 0; | |
5326 | Dimension widget_width, widget_height; | |
bc20ebbf | 5327 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5328 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5329 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5330 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5331 | |
b72a58fd RS |
5332 | /* Setting PMaxSize caused various problems. */ |
5333 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5334 | |
f676886a JB |
5335 | flexlines = f->height; |
5336 | ||
5337 | size_hints.x = f->display.x->left_pos; | |
5338 | size_hints.y = f->display.x->top_pos; | |
7553a6b7 | 5339 | |
7e4f2521 FP |
5340 | #ifdef USE_X_TOOLKIT |
5341 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5342 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
5343 | XtGetValues (f->display.x->column_widget, al, ac); | |
5344 | size_hints.height = widget_height; | |
5345 | size_hints.width = widget_width; | |
5346 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5347 | size_hints.height = PIXEL_HEIGHT (f); |
5348 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5349 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5350 | |
f676886a | 5351 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 5352 | size_hints.height_inc = f->display.x->line_height; |
334208b7 RS |
5353 | size_hints.max_width |
5354 | = FRAME_X_DISPLAY_INFO (f)->width - CHAR_TO_PIXEL_WIDTH (f, 0); | |
5355 | size_hints.max_height | |
5356 | = FRAME_X_DISPLAY_INFO (f)->height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5357 | |
b1c884c3 | 5358 | { |
b0342f17 | 5359 | int base_width, base_height; |
0134a210 | 5360 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5361 | |
f451eb13 JB |
5362 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5363 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5364 | |
0134a210 | 5365 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5366 | |
0134a210 RS |
5367 | /* The window manager uses the base width hints to calculate the |
5368 | current number of rows and columns in the frame while | |
5369 | resizing; min_width and min_height aren't useful for this | |
5370 | purpose, since they might not give the dimensions for a | |
5371 | zero-row, zero-column frame. | |
58769bee | 5372 | |
0134a210 RS |
5373 | We use the base_width and base_height members if we have |
5374 | them; otherwise, we set the min_width and min_height members | |
5375 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5376 | |
5377 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5378 | size_hints.flags |= PBaseSize; |
5379 | size_hints.base_width = base_width; | |
5380 | size_hints.base_height = base_height; | |
5381 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5382 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5383 | #else |
0134a210 RS |
5384 | size_hints.min_width = base_width; |
5385 | size_hints.min_height = base_height; | |
b0342f17 | 5386 | #endif |
b1c884c3 | 5387 | } |
dc6f92b8 | 5388 | |
af31d76f RS |
5389 | if (flags) |
5390 | size_hints.flags |= flags; | |
dc6f92b8 JB |
5391 | else |
5392 | { | |
5393 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
af31d76f RS |
5394 | long supplied_return; |
5395 | int value; | |
5396 | ||
5397 | #ifdef HAVE_X11R4 | |
334208b7 | 5398 | value = XGetWMNormalHints (FRAME_X_DISPLAY (f), window, &hints, |
af31d76f RS |
5399 | &supplied_return); |
5400 | #else | |
334208b7 | 5401 | value = XGetNormalHints (FRAME_X_DISPLAY (f), window, &hints); |
af31d76f | 5402 | #endif |
58769bee | 5403 | |
af31d76f | 5404 | if (value == 0) |
82ee0df4 | 5405 | hints.flags = 0; |
dc6f92b8 JB |
5406 | if (hints.flags & PSize) |
5407 | size_hints.flags |= PSize; | |
5408 | if (hints.flags & PPosition) | |
5409 | size_hints.flags |= PPosition; | |
5410 | if (hints.flags & USPosition) | |
5411 | size_hints.flags |= USPosition; | |
5412 | if (hints.flags & USSize) | |
5413 | size_hints.flags |= USSize; | |
5414 | } | |
0134a210 | 5415 | |
af31d76f | 5416 | #ifdef PWinGravity |
dc05a16b | 5417 | size_hints.win_gravity = f->display.x->win_gravity; |
af31d76f | 5418 | size_hints.flags |= PWinGravity; |
dc05a16b | 5419 | |
af31d76f | 5420 | if (user_position) |
6dba1858 | 5421 | { |
af31d76f RS |
5422 | size_hints.flags &= ~ PPosition; |
5423 | size_hints.flags |= USPosition; | |
6dba1858 | 5424 | } |
2554751d | 5425 | #endif /* PWinGravity */ |
6dba1858 | 5426 | |
b0342f17 | 5427 | #ifdef HAVE_X11R4 |
334208b7 | 5428 | XSetWMNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5429 | #else |
334208b7 | 5430 | XSetNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5431 | #endif |
dc6f92b8 JB |
5432 | } |
5433 | ||
5434 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5435 | x_wm_set_window_state (f, state) |
5436 | struct frame *f; | |
dc6f92b8 JB |
5437 | int state; |
5438 | { | |
3afe33e7 | 5439 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
5440 | Arg al[1]; |
5441 | ||
5442 | XtSetArg (al[0], XtNinitialState, state); | |
5443 | XtSetValues (f->display.x->widget, al, 1); | |
3afe33e7 | 5444 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5445 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5446 | |
16bd92ea JB |
5447 | f->display.x->wm_hints.flags |= StateHint; |
5448 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 5449 | |
334208b7 | 5450 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
546e6d5b | 5451 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5452 | } |
5453 | ||
7f2ae036 | 5454 | x_wm_set_icon_pixmap (f, pixmap_id) |
f676886a | 5455 | struct frame *f; |
7f2ae036 | 5456 | int pixmap_id; |
dc6f92b8 | 5457 | { |
75231bad RS |
5458 | #ifdef USE_X_TOOLKIT |
5459 | Window window = XtWindow (f->display.x->widget); | |
5460 | #else | |
c118dd06 | 5461 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5462 | #endif |
dc6f92b8 | 5463 | |
7f2ae036 | 5464 | if (pixmap_id > 0) |
dbc4e1c1 | 5465 | { |
7f2ae036 | 5466 | Pixmap icon_pixmap = x_lookup_pixmap (pixmap_id); |
dbc4e1c1 JB |
5467 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; |
5468 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
5469 | } | |
5470 | else | |
7f2ae036 RS |
5471 | { |
5472 | f->display.x->wm_hints.icon_pixmap = None; | |
5473 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
5474 | } | |
b1c884c3 | 5475 | |
334208b7 | 5476 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5477 | } |
5478 | ||
f676886a JB |
5479 | x_wm_set_icon_position (f, icon_x, icon_y) |
5480 | struct frame *f; | |
dc6f92b8 JB |
5481 | int icon_x, icon_y; |
5482 | { | |
75231bad RS |
5483 | #ifdef USE_X_TOOLKIT |
5484 | Window window = XtWindow (f->display.x->widget); | |
5485 | #else | |
c118dd06 | 5486 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5487 | #endif |
dc6f92b8 | 5488 | |
16bd92ea JB |
5489 | f->display.x->wm_hints.flags |= IconPositionHint; |
5490 | f->display.x->wm_hints.icon_x = icon_x; | |
5491 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5492 | |
334208b7 | 5493 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5494 | } |
5495 | ||
5496 | \f | |
f451eb13 JB |
5497 | /* Initialization. */ |
5498 | ||
3afe33e7 RS |
5499 | #ifdef USE_X_TOOLKIT |
5500 | static XrmOptionDescRec emacs_options[] = { | |
5501 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5502 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5503 | ||
5504 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5505 | XrmoptionSepArg, NULL}, | |
5506 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5507 | ||
5508 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5509 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5510 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5511 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5512 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5513 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
5514 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
5515 | }; | |
5516 | #endif /* USE_X_TOOLKIT */ | |
5517 | ||
334208b7 | 5518 | struct x_display_info * |
1f8255f2 | 5519 | x_term_init (display_name, xrm_option, resource_name) |
334208b7 | 5520 | Lisp_Object display_name; |
1f8255f2 RS |
5521 | char *xrm_option; |
5522 | char *resource_name; | |
dc6f92b8 | 5523 | { |
f676886a | 5524 | Lisp_Object frame; |
dc6f92b8 | 5525 | char *defaultvalue; |
3afe33e7 RS |
5526 | int argc = 0; |
5527 | char** argv = 0; | |
334208b7 RS |
5528 | int connection; |
5529 | struct x_display_info *dpyinfo; | |
5530 | XrmDatabase xrdb; | |
5531 | ||
041b69ac | 5532 | #ifndef F_SETOWN_BUG |
dc6f92b8 JB |
5533 | #ifdef F_SETOWN |
5534 | extern int old_fcntl_owner; | |
c118dd06 | 5535 | #endif /* ! defined (F_SETOWN) */ |
041b69ac | 5536 | #endif /* F_SETOWN_BUG */ |
58769bee | 5537 | |
334208b7 RS |
5538 | dpyinfo = &the_x_screen; |
5539 | ||
5540 | /* Put our one and only display on the chain. */ | |
5541 | x_display_list = dpyinfo; | |
5542 | dpyinfo->next = 0; | |
5543 | ||
5544 | dpyinfo->name = display_name; | |
5545 | ||
ef2a22d0 | 5546 | x_noop_count = 0; |
ef2a22d0 | 5547 | |
f676886a | 5548 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 | 5549 | |
3afe33e7 | 5550 | #ifdef USE_X_TOOLKIT |
bdcd49ba RS |
5551 | #ifdef HAVE_X11R5 |
5552 | XtSetLanguageProc (NULL, NULL, NULL); | |
5553 | #endif | |
5554 | ||
1f8255f2 RS |
5555 | argv = (char **) XtMalloc (7 * sizeof (char *)); |
5556 | argv[0] = ""; | |
5557 | argv[1] = "-display"; | |
334208b7 | 5558 | argv[2] = XSTRING (display_name)->data; |
1f8255f2 RS |
5559 | argv[3] = "-name"; |
5560 | /* Usually `emacs', but not always. */ | |
5561 | argv[4] = resource_name; | |
c2df547c | 5562 | argc = 5; |
1f8255f2 RS |
5563 | if (xrm_option) |
5564 | { | |
5565 | argv[argc++] = "-xrm"; | |
5566 | argv[argc++] = xrm_option; | |
5567 | } | |
3afe33e7 | 5568 | Xt_app_shell = XtAppInitialize (&Xt_app_con, "Emacs", |
bc20ebbf | 5569 | emacs_options, XtNumber (emacs_options), |
3afe33e7 RS |
5570 | &argc, argv, |
5571 | NULL, NULL, 0); | |
983f76b8 | 5572 | XtFree ((char *)argv); |
334208b7 | 5573 | dpyinfo->display = XtDisplay (Xt_app_shell); |
3afe33e7 RS |
5574 | |
5575 | #else /* not USE_X_TOOLKIT */ | |
bdcd49ba RS |
5576 | #ifdef HAVE_X11R5 |
5577 | XSetLocaleModifiers (""); | |
5578 | #endif | |
334208b7 | 5579 | dpyinfo->display = XOpenDisplay (XSTRING (display_name)->data); |
3afe33e7 | 5580 | #endif /* not USE_X_TOOLKIT */ |
334208b7 RS |
5581 | |
5582 | if (dpyinfo->display == 0) | |
041b69ac JB |
5583 | fatal ("X server %s not responding.\n\ |
5584 | Check the DISPLAY environment variable or use \"-d\"\n", | |
334208b7 | 5585 | XSTRING (display_name)->data); |
dc6f92b8 | 5586 | |
dc6f92b8 | 5587 | { |
dc6f92b8 JB |
5588 | #if 0 |
5589 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 5590 | #endif /* ! 0 */ |
59653951 | 5591 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
becadff8 | 5592 | + XSTRING (Vsystem_name)->size |
60fb3ee1 | 5593 | + 2); |
becadff8 KH |
5594 | sprintf (x_id_name, "%s@%s", |
5595 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
dc6f92b8 | 5596 | } |
28430d3c JB |
5597 | |
5598 | /* Figure out which modifier bits mean what. */ | |
334208b7 | 5599 | x_find_modifier_meanings (dpyinfo); |
f451eb13 | 5600 | |
ab648270 | 5601 | /* Get the scroll bar cursor. */ |
d56a553a | 5602 | x_vertical_scroll_bar_cursor |
334208b7 | 5603 | = XCreateFontCursor (dpyinfo->display, XC_sb_v_double_arrow); |
f451eb13 | 5604 | |
d56a553a | 5605 | #if 0 |
28430d3c JB |
5606 | /* Watch for PropertyNotify events on the root window; we use them |
5607 | to figure out when to invalidate our cache of the cut buffers. */ | |
5608 | x_watch_cut_buffer_cache (); | |
d56a553a | 5609 | #endif |
28430d3c | 5610 | |
334208b7 RS |
5611 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
5612 | resource_name, EMACS_CLASS); | |
5613 | #ifdef HAVE_XRMSETDATABASE | |
5614 | XrmSetDatabase (dpyinfo->display, xrdb); | |
5615 | #else | |
5616 | dpyinfo->display->db = xrdb; | |
5617 | #endif | |
5618 | ||
5619 | dpyinfo->screen = ScreenOfDisplay (dpyinfo->display, | |
5620 | DefaultScreen (dpyinfo->display)); | |
5621 | dpyinfo->visual = select_visual (dpyinfo->display, dpyinfo->screen, | |
5622 | &dpyinfo->n_planes); | |
5623 | dpyinfo->height = HeightOfScreen (dpyinfo->screen); | |
5624 | dpyinfo->width = WidthOfScreen (dpyinfo->screen); | |
5625 | dpyinfo->root_window = RootWindowOfScreen (dpyinfo->screen); | |
5626 | dpyinfo->grabbed = 0; | |
5627 | dpyinfo->reference_count = 0; | |
5628 | dpyinfo->icon_bitmap_id = -1; | |
5629 | ||
5630 | dpyinfo->Xatom_wm_protocols | |
5631 | = XInternAtom (dpyinfo->display, "WM_PROTOCOLS", False); | |
5632 | dpyinfo->Xatom_wm_take_focus | |
5633 | = XInternAtom (dpyinfo->display, "WM_TAKE_FOCUS", False); | |
5634 | dpyinfo->Xatom_wm_save_yourself | |
5635 | = XInternAtom (dpyinfo->display, "WM_SAVE_YOURSELF", False); | |
5636 | dpyinfo->Xatom_wm_delete_window | |
5637 | = XInternAtom (dpyinfo->display, "WM_DELETE_WINDOW", False); | |
5638 | dpyinfo->Xatom_wm_change_state | |
5639 | = XInternAtom (dpyinfo->display, "WM_CHANGE_STATE", False); | |
5640 | dpyinfo->Xatom_wm_configure_denied | |
5641 | = XInternAtom (dpyinfo->display, "WM_CONFIGURE_DENIED", False); | |
5642 | dpyinfo->Xatom_wm_window_moved | |
5643 | = XInternAtom (dpyinfo->display, "WM_MOVED", False); | |
5644 | dpyinfo->Xatom_editres | |
5645 | = XInternAtom (dpyinfo->display, "Editres", False); | |
5646 | dpyinfo->Xatom_CLIPBOARD | |
5647 | = XInternAtom (dpyinfo->display, "CLIPBOARD", False); | |
5648 | dpyinfo->Xatom_TIMESTAMP | |
5649 | = XInternAtom (dpyinfo->display, "TIMESTAMP", False); | |
5650 | dpyinfo->Xatom_TEXT | |
5651 | = XInternAtom (dpyinfo->display, "TEXT", False); | |
5652 | dpyinfo->Xatom_DELETE | |
5653 | = XInternAtom (dpyinfo->display, "DELETE", False); | |
5654 | dpyinfo->Xatom_MULTIPLE | |
5655 | = XInternAtom (dpyinfo->display, "MULTIPLE", False); | |
5656 | dpyinfo->Xatom_INCR | |
5657 | = XInternAtom (dpyinfo->display, "INCR", False); | |
5658 | dpyinfo->Xatom_EMACS_TMP | |
5659 | = XInternAtom (dpyinfo->display, "_EMACS_TMP_", False); | |
5660 | dpyinfo->Xatom_TARGETS | |
5661 | = XInternAtom (dpyinfo->display, "TARGETS", False); | |
5662 | dpyinfo->Xatom_NULL | |
5663 | = XInternAtom (dpyinfo->display, "NULL", False); | |
5664 | dpyinfo->Xatom_ATOM_PAIR | |
5665 | = XInternAtom (dpyinfo->display, "ATOM_PAIR", False); | |
5666 | ||
5667 | connection = ConnectionNumber (dpyinfo->display); | |
5668 | dpyinfo->connection = connection; | |
5669 | ||
87485d6f MW |
5670 | #ifdef subprocesses |
5671 | /* This is only needed for distinguishing keyboard and process input. */ | |
334208b7 RS |
5672 | if (connection != 0) |
5673 | change_keyboard_wait_descriptor (connection); | |
87485d6f | 5674 | #endif |
334208b7 | 5675 | change_input_fd (connection); |
6d4238f3 | 5676 | |
041b69ac | 5677 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 5678 | #ifdef F_SETOWN |
334208b7 | 5679 | old_fcntl_owner = fcntl (connection, F_GETOWN, 0); |
dc6f92b8 | 5680 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 | 5681 | /* stdin is a socket here */ |
334208b7 | 5682 | fcntl (connection, F_SETOWN, -getpid ()); |
c118dd06 | 5683 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
334208b7 | 5684 | fcntl (connection, F_SETOWN, getpid ()); |
c118dd06 JB |
5685 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
5686 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 5687 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
5688 | |
5689 | #ifdef SIGIO | |
5690 | init_sigio (); | |
c118dd06 | 5691 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 5692 | |
dc6f92b8 JB |
5693 | expose_all_windows = 0; |
5694 | ||
f676886a | 5695 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
5696 | clear_end_of_line_hook = XTclear_end_of_line; |
5697 | ins_del_lines_hook = XTins_del_lines; | |
5698 | change_line_highlight_hook = XTchange_line_highlight; | |
5699 | insert_glyphs_hook = XTinsert_glyphs; | |
5700 | write_glyphs_hook = XTwrite_glyphs; | |
5701 | delete_glyphs_hook = XTdelete_glyphs; | |
5702 | ring_bell_hook = XTring_bell; | |
5703 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
5704 | set_terminal_modes_hook = XTset_terminal_modes; | |
5705 | update_begin_hook = XTupdate_begin; | |
5706 | update_end_hook = XTupdate_end; | |
5707 | set_terminal_window_hook = XTset_terminal_window; | |
5708 | read_socket_hook = XTread_socket; | |
b8009dd1 | 5709 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
5710 | cursor_to_hook = XTcursor_to; |
5711 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 5712 | mouse_position_hook = XTmouse_position; |
f451eb13 | 5713 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 5714 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
5715 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
5716 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
5717 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
5718 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
58769bee | 5719 | |
f676886a | 5720 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
5721 | char_ins_del_ok = 0; /* just as fast to write the line */ |
5722 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
5723 | fast_clear_end_of_line = 1; /* X does this well */ | |
58769bee | 5724 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
5725 | off the bottom */ |
5726 | baud_rate = 19200; | |
5727 | ||
b30b24cb RS |
5728 | /* Try to use interrupt input; if we can't, then start polling. */ |
5729 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
5730 | ||
58769bee | 5731 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 5732 | original error handler. */ |
334208b7 RS |
5733 | XSetErrorHandler (x_error_quitter); |
5734 | XSetIOErrorHandler (x_io_error_quitter); | |
dc6f92b8 JB |
5735 | |
5736 | /* Disable Window Change signals; they are handled by X events. */ | |
5737 | #ifdef SIGWINCH | |
5738 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 5739 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 5740 | |
c118dd06 | 5741 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 5742 | } |
55123275 JB |
5743 | |
5744 | void | |
5745 | syms_of_xterm () | |
5746 | { | |
334208b7 RS |
5747 | the_x_screen.font_list_cache = Qnil; |
5748 | the_x_screen.name = Qnil; | |
5749 | staticpro (&the_x_screen.font_list_cache); | |
5750 | staticpro (&the_x_screen.name); | |
5751 | ||
ab648270 | 5752 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 5753 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
5754 | staticpro (&mouse_face_window); |
5755 | mouse_face_window = Qnil; | |
55123275 | 5756 | } |
c118dd06 | 5757 | #endif /* ! defined (HAVE_X_WINDOWS) */ |