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> | |
a0a7635f RS |
67 | /* Caused redefinition of DBL_DIG on Netbsd; seems not to be needed. */ |
68 | /* #include <sys/param.h> */ | |
dc6f92b8 | 69 | |
7a13e894 | 70 | #include "frame.h" |
dc6f92b8 JB |
71 | #include "dispextern.h" |
72 | #include "termhooks.h" | |
73 | #include "termopts.h" | |
74 | #include "termchar.h" | |
75 | #if 0 | |
76 | #include "sink.h" | |
77 | #include "sinkmask.h" | |
c118dd06 | 78 | #endif /* ! 0 */ |
dc6f92b8 | 79 | #include "gnu.h" |
dc6f92b8 | 80 | #include "disptab.h" |
dc6f92b8 | 81 | #include "buffer.h" |
f451eb13 | 82 | #include "window.h" |
3b2fa4e6 | 83 | #include "keyboard.h" |
bde7c500 | 84 | #include "intervals.h" |
dc6f92b8 | 85 | |
3afe33e7 | 86 | #ifdef USE_X_TOOLKIT |
9d7e2e3e | 87 | extern void free_frame_menubar (); |
c2df547c | 88 | extern void _XEditResCheckMessages (); |
3afe33e7 RS |
89 | #endif /* USE_X_TOOLKIT */ |
90 | ||
b849c413 RS |
91 | #ifndef USE_X_TOOLKIT |
92 | #define x_any_window_to_frame x_window_to_frame | |
5627c40e | 93 | #define x_top_window_to_frame x_window_to_frame |
b849c413 RS |
94 | #endif |
95 | ||
546e6d5b RS |
96 | #ifdef USE_X_TOOLKIT |
97 | #ifndef XtNinitialState | |
98 | #define XtNinitialState "initialState" | |
99 | #endif | |
100 | #endif | |
101 | ||
dc6f92b8 JB |
102 | #define min(a,b) ((a)<(b) ? (a) : (b)) |
103 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 104 | \f |
334208b7 RS |
105 | /* This is a chain of structures for all the X displays currently in use. */ |
106 | struct x_display_info *x_display_list; | |
dc6f92b8 | 107 | |
7a13e894 RS |
108 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), |
109 | one for each element of x_display_list and in the same order. | |
110 | NAME is the name of the frame. | |
111 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
112 | Lisp_Object x_display_name_list; | |
f451eb13 | 113 | |
987d2ad1 | 114 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 115 | This is set by update_begin and looked at by all the |
dc6f92b8 | 116 | XT functions. It is zero while not inside an update. |
f676886a JB |
117 | In that case, the XT functions assume that `selected_frame' |
118 | is the frame to apply to. */ | |
d0386f2a | 119 | extern struct frame *updating_frame; |
dc6f92b8 | 120 | |
f676886a | 121 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
122 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
123 | that a mere EnterNotify event can set this; if you need to know the | |
124 | last frame specified in a FocusIn or FocusOut event, use | |
125 | x_focus_event_frame. */ | |
f676886a | 126 | struct frame *x_focus_frame; |
dc6f92b8 | 127 | |
0134a210 RS |
128 | /* This is a frame waiting to be autoraised, within XTread_socket. */ |
129 | struct frame *pending_autoraise_frame; | |
130 | ||
f451eb13 JB |
131 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
132 | separate from x_focus_frame, because whether or not LeaveNotify | |
133 | events cause us to lose focus depends on whether or not we have | |
134 | received a FocusIn event for it. */ | |
135 | struct frame *x_focus_event_frame; | |
136 | ||
f676886a JB |
137 | /* The frame which currently has the visual highlight, and should get |
138 | keyboard input (other sorts of input have the frame encoded in the | |
139 | event). It points to the X focus frame's selected window's | |
140 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 141 | minibuffer. */ |
f676886a | 142 | static struct frame *x_highlight_frame; |
6d4238f3 | 143 | |
7f9c7f94 RS |
144 | #ifdef USE_X_TOOLKIT |
145 | /* The application context for Xt use. */ | |
146 | XtAppContext Xt_app_con; | |
147 | #endif | |
148 | ||
dc6f92b8 JB |
149 | /* During an update, maximum vpos for ins/del line operations to affect. */ |
150 | ||
151 | static int flexlines; | |
152 | ||
153 | /* During an update, nonzero if chars output now should be highlighted. */ | |
154 | ||
155 | static int highlight; | |
156 | ||
157 | /* Nominal cursor position -- where to draw output. | |
158 | During an update, these are different from the cursor-box position. */ | |
159 | ||
160 | static int curs_x; | |
161 | static int curs_y; | |
162 | ||
69388238 RS |
163 | /* Mouse movement. |
164 | ||
165 | In order to avoid asking for motion events and then throwing most | |
166 | of them away or busy-polling the server for mouse positions, we ask | |
167 | the server for pointer motion hints. This means that we get only | |
168 | one event per group of mouse movements. "Groups" are delimited by | |
169 | other kinds of events (focus changes and button clicks, for | |
170 | example), or by XQueryPointer calls; when one of these happens, we | |
171 | get another MotionNotify event the next time the mouse moves. This | |
172 | is at least as efficient as getting motion events when mouse | |
173 | tracking is on, and I suspect only negligibly worse when tracking | |
174 | is off. | |
175 | ||
176 | The silly O'Reilly & Associates Nutshell guides barely document | |
177 | pointer motion hints at all (I think you have to infer how they | |
178 | work from an example), and the description of XQueryPointer doesn't | |
179 | mention that calling it causes you to get another motion hint from | |
180 | the server, which is very important. */ | |
181 | ||
182 | /* Where the mouse was last time we reported a mouse event. */ | |
183 | static FRAME_PTR last_mouse_frame; | |
184 | static XRectangle last_mouse_glyph; | |
185 | ||
186 | /* The scroll bar in which the last X motion event occurred. | |
187 | ||
188 | If the last X motion event occurred in a scroll bar, we set this | |
189 | so XTmouse_position can know whether to report a scroll bar motion or | |
190 | an ordinary motion. | |
191 | ||
192 | If the last X motion event didn't occur in a scroll bar, we set this | |
193 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
194 | static Lisp_Object last_mouse_scroll_bar; | |
195 | ||
69388238 RS |
196 | /* This is a hack. We would really prefer that XTmouse_position would |
197 | return the time associated with the position it returns, but there | |
198 | doesn't seem to be any way to wrest the timestamp from the server | |
199 | along with the position query. So, we just keep track of the time | |
200 | of the last movement we received, and return that in hopes that | |
201 | it's somewhat accurate. */ | |
202 | static Time last_mouse_movement_time; | |
203 | ||
c0a04927 RS |
204 | /* Incremented by XTread_socket whenever it really tries to read events. */ |
205 | #ifdef __STDC__ | |
206 | static int volatile input_signal_count; | |
207 | #else | |
208 | static int input_signal_count; | |
209 | #endif | |
210 | ||
7a13e894 RS |
211 | /* Used locally within XTread_socket. */ |
212 | static int x_noop_count; | |
dc6f92b8 | 213 | |
7a13e894 RS |
214 | /* Initial values of argv and argc. */ |
215 | extern char **initial_argv; | |
216 | extern int initial_argc; | |
dc6f92b8 | 217 | |
7a13e894 | 218 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
dc6f92b8 | 219 | |
7a13e894 RS |
220 | /* Tells if a window manager is present or not. */ |
221 | ||
222 | extern Lisp_Object Vx_no_window_manager; | |
dc6f92b8 JB |
223 | |
224 | /* Nonzero enables some debugging for the X interface code. */ | |
225 | extern int _Xdebug; | |
226 | ||
c2df547c | 227 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 228 | |
dc6f92b8 JB |
229 | extern int errno; |
230 | ||
dfeccd2d | 231 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
232 | extern int extra_keyboard_modifiers; |
233 | ||
334208b7 | 234 | extern XrmDatabase x_load_resources (); |
dc6f92b8 | 235 | |
7a13e894 RS |
236 | void x_delete_display (); |
237 | ||
dc6f92b8 | 238 | static void flashback (); |
c83febd7 | 239 | static void redraw_previous_char (); |
0cdd0c9f | 240 | static void redraw_following_char (); |
3afe33e7 | 241 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 242 | |
55836b73 | 243 | static int fast_find_position (); |
b8009dd1 RS |
244 | static void note_mouse_highlight (); |
245 | static void clear_mouse_face (); | |
246 | static void show_mouse_face (); | |
58769bee | 247 | static void do_line_dance (); |
b8009dd1 | 248 | |
4746118a JB |
249 | static int XTcursor_to (); |
250 | static int XTclear_end_of_line (); | |
7a13e894 | 251 | static int x_io_error_quitter (); |
334208b7 RS |
252 | \f |
253 | /* Return the struct x_display_info corresponding to DPY. */ | |
254 | ||
255 | struct x_display_info * | |
256 | x_display_info_for_display (dpy) | |
257 | Display *dpy; | |
258 | { | |
259 | struct x_display_info *dpyinfo; | |
260 | ||
261 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
262 | if (dpyinfo->display == dpy) | |
263 | return dpyinfo; | |
16bd92ea | 264 | |
334208b7 RS |
265 | return 0; |
266 | } | |
16bd92ea | 267 | \f |
58769bee | 268 | /* Starting and ending updates. |
f451eb13 JB |
269 | |
270 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
271 | of a frame update. We record in `updating_frame' the identity |
272 | of the frame being updated, so that the XT... functions do not | |
273 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 274 | should never be called except during an update, the only exceptions |
c83febd7 | 275 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 | 276 | |
dc6f92b8 | 277 | static |
f676886a JB |
278 | XTupdate_begin (f) |
279 | struct frame *f; | |
58769bee | 280 | { |
dc6f92b8 JB |
281 | int mask; |
282 | ||
f676886a | 283 | if (f == 0) |
dc6f92b8 JB |
284 | abort (); |
285 | ||
f676886a | 286 | flexlines = f->height; |
dc6f92b8 JB |
287 | highlight = 0; |
288 | ||
dc6f92b8 | 289 | BLOCK_INPUT; |
b8009dd1 | 290 | |
7a13e894 | 291 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
b8009dd1 | 292 | { |
514e4681 | 293 | /* Don't do highlighting for mouse motion during the update. */ |
7a13e894 | 294 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 1; |
37c2c98b RS |
295 | |
296 | /* If the frame needs to be redrawn, | |
297 | simply forget about any prior mouse highlighting. */ | |
9f67f20b | 298 | if (FRAME_GARBAGED_P (f)) |
37c2c98b RS |
299 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = Qnil; |
300 | ||
7a13e894 | 301 | if (!NILP (FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) |
514e4681 RS |
302 | { |
303 | int firstline, lastline, i; | |
7a13e894 | 304 | struct window *w = XWINDOW (FRAME_X_DISPLAY_INFO (f)->mouse_face_window); |
514e4681 RS |
305 | |
306 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
307 | for (firstline = 0; firstline < f->height; firstline++) | |
308 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
309 | break; | |
310 | ||
311 | lastline = f->height; | |
312 | for (i = f->height - 1; i >= 0; i--) | |
313 | { | |
314 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
315 | break; | |
316 | else | |
317 | lastline = i; | |
318 | } | |
319 | ||
320 | /* Can we tell that this update does not affect the window | |
37c2c98b RS |
321 | where the mouse highlight is? If so, no need to turn off. |
322 | Likewise, don't do anything if the frame is garbaged; | |
323 | in that case, the FRAME_CURRENT_GLYPHS that we would use | |
324 | are all wrong, and we will redisplay that line anyway. */ | |
514e4681 RS |
325 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) |
326 | || lastline < XFASTINT (w->top))) | |
7a13e894 | 327 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
514e4681 | 328 | } |
b8009dd1 | 329 | } |
6ccf47d1 | 330 | |
dc6f92b8 JB |
331 | UNBLOCK_INPUT; |
332 | } | |
333 | ||
dc6f92b8 | 334 | static |
f676886a JB |
335 | XTupdate_end (f) |
336 | struct frame *f; | |
58769bee | 337 | { |
dc6f92b8 JB |
338 | int mask; |
339 | ||
dc6f92b8 | 340 | BLOCK_INPUT; |
dc6f92b8 | 341 | |
58769bee | 342 | do_line_dance (); |
f676886a | 343 | x_display_cursor (f, 1); |
dc6f92b8 | 344 | |
7a13e894 RS |
345 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
346 | FRAME_X_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
b8009dd1 RS |
347 | #if 0 |
348 | /* This fails in the case of having updated only the echo area | |
349 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
350 | has no relation to the current contents, and its charstarts | |
351 | have no relation to the contents of the window-buffer. | |
352 | I don't know a clean way to check | |
353 | for that case. window_end_valid isn't set up yet. */ | |
7a13e894 RS |
354 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) |
355 | note_mouse_highlight (f, FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
356 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
b8009dd1 RS |
357 | #endif |
358 | ||
334208b7 | 359 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
360 | UNBLOCK_INPUT; |
361 | } | |
b8009dd1 | 362 | |
514e4681 | 363 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
364 | |
365 | static | |
366 | XTframe_up_to_date (f) | |
367 | FRAME_PTR f; | |
368 | { | |
7a13e894 RS |
369 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc |
370 | || f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame) | |
514e4681 | 371 | { |
7a13e894 RS |
372 | note_mouse_highlight (FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame, |
373 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x, | |
374 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y); | |
375 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 0; | |
514e4681 | 376 | } |
b8009dd1 | 377 | } |
dc6f92b8 JB |
378 | \f |
379 | /* External interface to control of standout mode. | |
380 | Call this when about to modify line at position VPOS | |
381 | and not change whether it is highlighted. */ | |
382 | ||
383 | XTreassert_line_highlight (new, vpos) | |
384 | int new, vpos; | |
385 | { | |
386 | highlight = new; | |
387 | } | |
388 | ||
389 | /* Call this when about to modify line at position VPOS | |
390 | and change whether it is highlighted. */ | |
391 | ||
392 | static | |
393 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
394 | int new_highlight, vpos, first_unused_hpos; | |
395 | { | |
396 | highlight = new_highlight; | |
397 | XTcursor_to (vpos, 0); | |
f676886a | 398 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
399 | } |
400 | ||
401 | /* This is used when starting Emacs and when restarting after suspend. | |
402 | When starting Emacs, no X window is mapped. And nothing must be done | |
403 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
404 | ||
405 | static | |
406 | XTset_terminal_modes () | |
407 | { | |
408 | } | |
409 | ||
410 | /* This is called when exiting or suspending Emacs. | |
411 | Exiting will make the X-windows go away, and suspending | |
412 | requires no action. */ | |
413 | ||
414 | static | |
415 | XTreset_terminal_modes () | |
416 | { | |
f676886a | 417 | /* XTclear_frame (); */ |
dc6f92b8 JB |
418 | } |
419 | \f | |
f451eb13 JB |
420 | /* Set the nominal cursor position of the frame. |
421 | This is where display update commands will take effect. | |
dc6f92b8 JB |
422 | This does not affect the place where the cursor-box is displayed. */ |
423 | ||
4746118a | 424 | static int |
dc6f92b8 JB |
425 | XTcursor_to (row, col) |
426 | register int row, col; | |
427 | { | |
428 | int mask; | |
429 | int orow = row; | |
430 | ||
431 | curs_x = col; | |
432 | curs_y = row; | |
433 | ||
f676886a | 434 | if (updating_frame == 0) |
dc6f92b8 JB |
435 | { |
436 | BLOCK_INPUT; | |
f676886a | 437 | x_display_cursor (selected_frame, 1); |
334208b7 | 438 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
439 | UNBLOCK_INPUT; |
440 | } | |
441 | } | |
442 | \f | |
443 | /* Display a sequence of N glyphs found at GP. | |
444 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
445 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
446 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
447 | JUST_FOREGROUND if 1 means draw only the foreground; |
448 | don't alter the background. | |
dc6f92b8 | 449 | |
07e34cb0 | 450 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 451 | |
07e34cb0 JB |
452 | Since the display generation code is responsible for calling |
453 | compute_char_face and compute_glyph_face on everything it puts in | |
454 | the display structure, we can assume that the face code on each | |
28f72798 | 455 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
456 | to which we can actually apply intern_face. |
457 | Call this function with input blocked. */ | |
dc6f92b8 | 458 | |
07e34cb0 JB |
459 | #if 1 |
460 | /* This is the multi-face code. */ | |
dc6f92b8 | 461 | |
dc6f92b8 | 462 | static void |
0cdd0c9f | 463 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 464 | struct frame *f; |
dc6f92b8 JB |
465 | int left, top; |
466 | register GLYPH *gp; /* Points to first GLYPH. */ | |
467 | register int n; /* Number of glyphs to display. */ | |
468 | int hl; | |
0cdd0c9f | 469 | int just_foreground; |
dc6f92b8 | 470 | { |
07e34cb0 JB |
471 | /* Holds characters to be displayed. */ |
472 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
473 | register char *cp; /* Steps through buf[]. */ |
474 | register int tlen = GLYPH_TABLE_LENGTH; | |
475 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 476 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 477 | int orig_left = left; |
dc6f92b8 | 478 | |
07e34cb0 | 479 | while (n > 0) |
dc6f92b8 JB |
480 | { |
481 | /* Get the face-code of the next GLYPH. */ | |
482 | int cf, len; | |
483 | int g = *gp; | |
484 | ||
07e34cb0 | 485 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 486 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
487 | |
488 | /* Find the run of consecutive glyphs with the same face-code. | |
489 | Extract their character codes into BUF. */ | |
490 | cp = buf; | |
491 | while (n > 0) | |
492 | { | |
493 | g = *gp; | |
07e34cb0 | 494 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 495 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
496 | break; |
497 | ||
6f63ba79 | 498 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
499 | --n; |
500 | ++gp; | |
501 | } | |
502 | ||
503 | /* LEN gets the length of the run. */ | |
504 | len = cp - buf; | |
505 | ||
506 | /* Now output this run of chars, with the font and pixel values | |
507 | determined by the face code CF. */ | |
07e34cb0 JB |
508 | { |
509 | struct face *face = FRAME_DEFAULT_FACE (f); | |
334208b7 | 510 | XFontStruct *font = FACE_FONT (face); |
07e34cb0 | 511 | GC gc = FACE_GC (face); |
990ba854 | 512 | int stippled = 0; |
07e34cb0 | 513 | |
b8009dd1 RS |
514 | /* HL = 3 means use a mouse face previously chosen. */ |
515 | if (hl == 3) | |
7a13e894 | 516 | cf = FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id; |
b8009dd1 | 517 | |
b73b6aaf RS |
518 | /* First look at the face of the text itself. */ |
519 | if (cf != 0) | |
07e34cb0 | 520 | { |
a07d4bc5 RS |
521 | /* It's possible for the display table to specify |
522 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
523 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
524 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 525 | cf = 0; |
07e34cb0 JB |
526 | |
527 | if (cf == 1) | |
528 | face = FRAME_MODE_LINE_FACE (f); | |
529 | else | |
28f72798 | 530 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
531 | font = FACE_FONT (face); |
532 | gc = FACE_GC (face); | |
990ba854 RS |
533 | if (FACE_STIPPLE (face)) |
534 | stippled = 1; | |
07e34cb0 | 535 | } |
4a4dc352 JB |
536 | |
537 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
538 | else if (hl == 0) |
539 | ; | |
540 | else if (hl == 1) | |
541 | { | |
542 | face = FRAME_MODE_LINE_FACE (f); | |
543 | font = FACE_FONT (face); | |
544 | gc = FACE_GC (face); | |
990ba854 RS |
545 | if (FACE_STIPPLE (face)) |
546 | stippled = 1; | |
b73b6aaf RS |
547 | } |
548 | ||
549 | #define FACE_DEFAULT (~0) | |
550 | ||
551 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 552 | if (hl == 2) |
b73b6aaf | 553 | { |
990ba854 RS |
554 | /* The cursor overrides stippling. */ |
555 | stippled = 0; | |
556 | ||
11dd3d61 RS |
557 | if ((!face->font |
558 | || (int) face->font == FACE_DEFAULT | |
559 | || face->font == f->display.x->font) | |
560 | && face->background == f->display.x->background_pixel | |
561 | && face->foreground == f->display.x->foreground_pixel) | |
b5cf7a0e JB |
562 | { |
563 | gc = f->display.x->cursor_gc; | |
564 | } | |
565 | /* Cursor on non-default face: must merge. */ | |
566 | else | |
567 | { | |
568 | XGCValues xgcv; | |
569 | unsigned long mask; | |
570 | ||
571 | xgcv.background = f->display.x->cursor_pixel; | |
11dd3d61 | 572 | xgcv.foreground = face->background; |
df5a440b RS |
573 | /* If the glyph would be invisible, |
574 | try a different foreground. */ | |
575 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 576 | xgcv.foreground = face->foreground; |
df5a440b RS |
577 | if (xgcv.foreground == xgcv.background) |
578 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
579 | if (xgcv.foreground == xgcv.background) | |
580 | xgcv.foreground = face->foreground; | |
581 | /* Make sure the cursor is distinct from text in this face. */ | |
582 | if (xgcv.background == face->background | |
583 | && xgcv.foreground == face->foreground) | |
584 | { | |
585 | xgcv.background = face->foreground; | |
586 | xgcv.foreground = face->background; | |
587 | } | |
b5cf7a0e JB |
588 | xgcv.font = face->font->fid; |
589 | xgcv.graphics_exposures = 0; | |
590 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
7a13e894 RS |
591 | if (FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc) |
592 | XChangeGC (FRAME_X_DISPLAY (f), | |
593 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc, | |
594 | mask, &xgcv); | |
11dd3d61 | 595 | else |
7a13e894 | 596 | FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc |
334208b7 | 597 | = XCreateGC (FRAME_X_DISPLAY (f), window, mask, &xgcv); |
7a13e894 | 598 | gc = FRAME_X_DISPLAY_INFO (f)->scratch_cursor_gc; |
b73b6aaf | 599 | #if 0 |
11dd3d61 RS |
600 | /* If this code is restored, it must also reset to the default stipple |
601 | if necessary. */ | |
b5cf7a0e | 602 | if (face->stipple && face->stipple != FACE_DEFAULT) |
334208b7 | 603 | XSetStipple (FRAME_X_DISPLAY (f), gc, face->stipple); |
b73b6aaf | 604 | #endif |
b5cf7a0e | 605 | } |
07e34cb0 | 606 | } |
07e34cb0 | 607 | |
b5cf7a0e JB |
608 | if ((int) font == FACE_DEFAULT) |
609 | font = f->display.x->font; | |
610 | ||
0cdd0c9f | 611 | if (just_foreground) |
334208b7 | 612 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
0cdd0c9f RS |
613 | left, top + FONT_BASE (font), buf, len); |
614 | else | |
615 | { | |
990ba854 RS |
616 | if (stippled) |
617 | { | |
618 | /* Turn stipple on. */ | |
619 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillOpaqueStippled); | |
620 | ||
621 | /* Draw stipple on background. */ | |
334208b7 | 622 | XFillRectangle (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
623 | left, top, |
624 | FONT_WIDTH (font) * len, | |
625 | FONT_HEIGHT (font)); | |
626 | ||
627 | /* Turn stipple off. */ | |
628 | XSetFillStyle (FRAME_X_DISPLAY (f), gc, FillSolid); | |
629 | ||
630 | /* Draw the text, solidly, onto the stipple pattern. */ | |
334208b7 | 631 | XDrawString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
632 | left, top + FONT_BASE (font), buf, len); |
633 | } | |
634 | else | |
334208b7 | 635 | XDrawImageString (FRAME_X_DISPLAY (f), window, gc, |
990ba854 RS |
636 | left, top + FONT_BASE (font), buf, len); |
637 | ||
0cdd0c9f RS |
638 | /* Clear the rest of the line's height. */ |
639 | if (f->display.x->line_height != FONT_HEIGHT (font)) | |
334208b7 | 640 | XClearArea (FRAME_X_DISPLAY (f), window, left, |
0cdd0c9f RS |
641 | top + FONT_HEIGHT (font), |
642 | FONT_WIDTH (font) * len, | |
643 | /* This is how many pixels of height | |
644 | we have to clear. */ | |
645 | f->display.x->line_height - FONT_HEIGHT (font), | |
646 | False); | |
647 | } | |
648 | ||
649 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
650 | which often is not up to date yet. */ | |
651 | if (!just_foreground) | |
652 | { | |
653 | if (left == orig_left) | |
654 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
655 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
656 | if (n == 0) | |
657 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
658 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
659 | } | |
660 | #endif | |
07e34cb0 JB |
661 | |
662 | /* We should probably check for XA_UNDERLINE_POSITION and | |
663 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
664 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 665 | { |
4a4dc352 | 666 | int underline_position = 1; |
07e34cb0 | 667 | |
4a4dc352 JB |
668 | if (font->descent <= underline_position) |
669 | underline_position = font->descent - 1; | |
07e34cb0 JB |
670 | |
671 | if (face->underline) | |
334208b7 | 672 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
07e34cb0 JB |
673 | FACE_GC (face), |
674 | left, (top | |
675 | + FONT_BASE (font) | |
676 | + underline_position), | |
677 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 678 | } |
07e34cb0 JB |
679 | |
680 | left += len * FONT_WIDTH (font); | |
681 | } | |
dc6f92b8 JB |
682 | } |
683 | } | |
07e34cb0 JB |
684 | #endif /* 1 */ |
685 | ||
686 | #if 0 | |
687 | /* This is the old single-face code. */ | |
688 | ||
689 | static void | |
690 | dumpglyphs (f, left, top, gp, n, hl, font) | |
691 | struct frame *f; | |
692 | int left, top; | |
693 | register GLYPH *gp; /* Points to first GLYPH. */ | |
694 | register int n; /* Number of glyphs to display. */ | |
695 | int hl; | |
334208b7 | 696 | XFontStruct *font; |
07e34cb0 JB |
697 | { |
698 | register int len; | |
699 | Window window = FRAME_X_WINDOW (f); | |
700 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
701 | : (hl ? f->display.x->reverse_gc | |
702 | : f->display.x->normal_gc)); | |
703 | ||
704 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
334208b7 | 705 | XDrawImageString16 (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
706 | left, top + FONT_BASE (font), (XChar2b *) gp, n); |
707 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
334208b7 | 708 | XDrawImageString (FRAME_X_DISPLAY (f), window, drawing_gc, |
07e34cb0 JB |
709 | left, top + FONT_BASE (font), (char *) gp, n); |
710 | else | |
711 | /* What size of glyph ARE you using? And does X have a function to | |
712 | draw them? */ | |
713 | abort (); | |
714 | } | |
715 | #endif | |
dc6f92b8 | 716 | \f |
f451eb13 JB |
717 | /* Output some text at the nominal frame cursor position. |
718 | Advance the cursor over the text. | |
dc6f92b8 JB |
719 | Output LEN glyphs at START. |
720 | ||
721 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
722 | controls the pixel values used for foreground and background. */ | |
723 | ||
724 | static | |
725 | XTwrite_glyphs (start, len) | |
726 | register GLYPH *start; | |
727 | int len; | |
728 | { | |
729 | register int temp_length; | |
730 | int mask; | |
f676886a | 731 | struct frame *f; |
dc6f92b8 JB |
732 | |
733 | BLOCK_INPUT; | |
734 | ||
58769bee | 735 | do_line_dance (); |
f676886a JB |
736 | f = updating_frame; |
737 | if (f == 0) | |
dc6f92b8 | 738 | { |
f676886a | 739 | f = selected_frame; |
dc6f92b8 | 740 | /* If not within an update, |
f676886a JB |
741 | output at the frame's visible cursor. */ |
742 | curs_x = f->cursor_x; | |
743 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
744 | } |
745 | ||
f676886a | 746 | dumpglyphs (f, |
12ba150f JB |
747 | CHAR_TO_PIXEL_COL (f, curs_x), |
748 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 749 | start, len, highlight, 0); |
90e65f07 JB |
750 | |
751 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
752 | if (curs_y == f->phys_cursor_y |
753 | && curs_x <= f->phys_cursor_x | |
754 | && curs_x + len > f->phys_cursor_x) | |
755 | f->phys_cursor_x = -1; | |
58769bee | 756 | |
f676886a | 757 | if (updating_frame == 0) |
dc6f92b8 | 758 | { |
f676886a JB |
759 | f->cursor_x += len; |
760 | x_display_cursor (f, 1); | |
761 | f->cursor_x -= len; | |
dc6f92b8 JB |
762 | } |
763 | else | |
764 | curs_x += len; | |
765 | ||
766 | UNBLOCK_INPUT; | |
767 | } | |
768 | \f | |
f451eb13 JB |
769 | /* Clear to the end of the line. |
770 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
771 | to column FIRST_UNUSED (exclusive). The idea is that everything |
772 | from FIRST_UNUSED onward is already erased. */ | |
58769bee | 773 | |
4746118a | 774 | static int |
dc6f92b8 JB |
775 | XTclear_end_of_line (first_unused) |
776 | register int first_unused; | |
777 | { | |
f676886a | 778 | struct frame *f = updating_frame; |
dc6f92b8 JB |
779 | int mask; |
780 | ||
f676886a | 781 | if (f == 0) |
dc6f92b8 JB |
782 | abort (); |
783 | ||
f676886a | 784 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
785 | return; |
786 | if (first_unused <= 0) | |
787 | return; | |
788 | ||
f676886a JB |
789 | if (first_unused >= f->width) |
790 | first_unused = f->width; | |
dc6f92b8 JB |
791 | |
792 | BLOCK_INPUT; | |
793 | ||
b30ec466 KH |
794 | do_line_dance (); |
795 | ||
90e65f07 | 796 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
797 | if (curs_y == f->phys_cursor_y |
798 | && curs_x <= f->phys_cursor_x | |
799 | && f->phys_cursor_x < first_unused) | |
800 | f->phys_cursor_x = -1; | |
dc6f92b8 | 801 | |
334208b7 | 802 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
12ba150f JB |
803 | CHAR_TO_PIXEL_COL (f, curs_x), |
804 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 805 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 806 | f->display.x->line_height, False); |
c83febd7 | 807 | #if 0 |
0cdd0c9f | 808 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 809 | #endif |
dc6f92b8 JB |
810 | |
811 | UNBLOCK_INPUT; | |
812 | } | |
813 | ||
0cdd0c9f RS |
814 | static |
815 | XTclear_frame () | |
816 | { | |
817 | int mask; | |
818 | struct frame *f = updating_frame; | |
819 | ||
820 | if (f == 0) | |
821 | f = selected_frame; | |
822 | ||
823 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
824 | curs_x = 0; /* Nominal cursor position is top left. */ | |
825 | curs_y = 0; | |
58769bee | 826 | |
0cdd0c9f RS |
827 | BLOCK_INPUT; |
828 | ||
334208b7 | 829 | XClearWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0cdd0c9f RS |
830 | |
831 | /* We have to clear the scroll bars, too. If we have changed | |
832 | colors or something like that, then they should be notified. */ | |
833 | x_scroll_bar_clear (f); | |
834 | ||
334208b7 | 835 | XFlush (FRAME_X_DISPLAY (f)); |
0cdd0c9f RS |
836 | UNBLOCK_INPUT; |
837 | } | |
838 | \f | |
839 | #if 0 | |
840 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
841 | always contain the right glyphs to use. | |
842 | ||
843 | It also needs to be changed to look at the details of the font and | |
844 | see whether there is really overlap, and do nothing when there is | |
845 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
846 | but just how to use them is not clear. */ | |
847 | ||
c83febd7 RS |
848 | /* Erase the character (if any) at the position just before X, Y in frame F, |
849 | then redraw it and the character before it. | |
850 | This is necessary when we erase starting at X, | |
f94397b5 KH |
851 | in case the character after X overlaps into the one before X. |
852 | Call this function with input blocked. */ | |
c83febd7 RS |
853 | |
854 | static void | |
0cdd0c9f | 855 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
856 | FRAME_PTR f; |
857 | int x, y; | |
0cdd0c9f | 858 | int highlight_flag; |
c83febd7 RS |
859 | { |
860 | /* Erase the character before the new ones, in case | |
861 | what was here before overlaps it. | |
862 | Reoutput that character, and the previous character | |
863 | (in case the previous character overlaps it). */ | |
864 | if (x > 0) | |
865 | { | |
866 | int start_x = x - 2; | |
867 | if (start_x < 0) | |
868 | start_x = 0; | |
334208b7 | 869 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
c83febd7 RS |
870 | CHAR_TO_PIXEL_COL (f, x - 1), |
871 | CHAR_TO_PIXEL_ROW (f, y), | |
872 | FONT_WIDTH (f->display.x->font), | |
a27f9f86 | 873 | f->display.x->line_height, False); |
c83febd7 RS |
874 | |
875 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
876 | CHAR_TO_PIXEL_ROW (f, y), | |
877 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 878 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
879 | } |
880 | } | |
881 | ||
0cdd0c9f RS |
882 | /* Erase the character (if any) at the position X, Y in frame F, |
883 | then redraw it and the character after it. | |
884 | This is necessary when we erase endng at X, | |
885 | in case the character after X overlaps into the one before X. | |
886 | Call this function with input blocked. */ | |
887 | ||
888 | static void | |
889 | redraw_following_char (f, x, y, highlight_flag) | |
890 | FRAME_PTR f; | |
891 | int x, y; | |
892 | int highlight_flag; | |
dc6f92b8 | 893 | { |
0cdd0c9f RS |
894 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
895 | /* Erase the character after the new ones, in case | |
896 | what was here before overlaps it. | |
897 | Reoutput that character, and the following character | |
898 | (in case the following character overlaps it). */ | |
899 | if (x < limit | |
900 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
901 | { | |
902 | int end_x = x + 2; | |
903 | if (end_x > limit) | |
904 | end_x = limit; | |
334208b7 | 905 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
906 | CHAR_TO_PIXEL_COL (f, x), |
907 | CHAR_TO_PIXEL_ROW (f, y), | |
908 | FONT_WIDTH (f->display.x->font), | |
909 | f->display.x->line_height, False); | |
dc6f92b8 | 910 | |
0cdd0c9f RS |
911 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
912 | CHAR_TO_PIXEL_ROW (f, y), | |
913 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
914 | end_x - x, highlight_flag, 1); | |
915 | } | |
916 | } | |
917 | #endif /* 0 */ | |
918 | \f | |
919 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 920 | |
0cdd0c9f | 921 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 922 | |
0cdd0c9f RS |
923 | static int |
924 | font_char_overlap_left (font, c) | |
925 | XFontStruct *font; | |
926 | int c; | |
927 | { | |
928 | XCharStruct *s; | |
dbc4e1c1 | 929 | |
0cdd0c9f RS |
930 | /* Find the bounding-box info for C. */ |
931 | if (font->per_char == 0) | |
932 | s = &font->max_bounds; | |
933 | else | |
934 | { | |
935 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
936 | int row, within; | |
58769bee | 937 | |
0cdd0c9f RS |
938 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
939 | row = c >> 8; | |
940 | within = c & 0177; | |
941 | if (!(within >= font->min_char_or_byte2 | |
942 | && within <= font->max_char_or_byte2 | |
943 | && row >= font->min_byte1 | |
944 | && row <= font->max_byte1)) | |
945 | { | |
946 | /* If char is out of range, try the font's default char instead. */ | |
947 | c = font->default_char; | |
948 | row = c >> (INTBITS - 8); | |
949 | within = c & 0177; | |
950 | } | |
951 | if (!(within >= font->min_char_or_byte2 | |
952 | && within <= font->max_char_or_byte2 | |
953 | && row >= font->min_byte1 | |
954 | && row <= font->max_byte1)) | |
955 | /* Still out of range means this char does not overlap. */ | |
956 | return 0; | |
957 | else | |
958 | /* We found the info for this char. */ | |
959 | s = (font->per_char + (within - font->min_char_or_byte2) | |
960 | + row * rowlen); | |
961 | } | |
dbc4e1c1 | 962 | |
0cdd0c9f RS |
963 | return (s && s->lbearing < 0); |
964 | } | |
dbc4e1c1 | 965 | |
0cdd0c9f RS |
966 | /* Return 1 if character C in font F extends past its right edge. */ |
967 | ||
968 | static int | |
969 | font_char_overlap_right (font, c) | |
970 | XFontStruct *font; | |
971 | int c; | |
972 | { | |
973 | XCharStruct *s; | |
974 | ||
975 | /* Find the bounding-box info for C. */ | |
976 | if (font->per_char == 0) | |
977 | s = &font->max_bounds; | |
978 | else | |
979 | { | |
980 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
981 | int row, within; | |
58769bee | 982 | |
0cdd0c9f RS |
983 | /* Decode char into row number (byte 1) and code within row (byte 2). */ |
984 | row = c >> 8; | |
985 | within = c & 0177; | |
986 | if (!(within >= font->min_char_or_byte2 | |
987 | && within <= font->max_char_or_byte2 | |
988 | && row >= font->min_byte1 | |
989 | && row <= font->max_byte1)) | |
990 | { | |
991 | /* If char is out of range, try the font's default char instead. */ | |
992 | c = font->default_char; | |
993 | row = c >> (INTBITS - 8); | |
994 | within = c & 0177; | |
995 | } | |
996 | if (!(within >= font->min_char_or_byte2 | |
997 | && within <= font->max_char_or_byte2 | |
998 | && row >= font->min_byte1 | |
999 | && row <= font->max_byte1)) | |
1000 | /* Still out of range means this char does not overlap. */ | |
1001 | return 0; | |
1002 | else | |
1003 | /* We found the info for this char. */ | |
1004 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1005 | + row * rowlen); | |
1006 | } | |
1007 | ||
1008 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1009 | } |
0cdd0c9f | 1010 | #endif /* 0 */ |
dc6f92b8 | 1011 | \f |
dbc4e1c1 JB |
1012 | /* Invert the middle quarter of the frame for .15 sec. */ |
1013 | ||
1014 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1015 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1016 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1017 | ||
1018 | /* Subtract the `struct timeval' values X and Y, | |
1019 | storing the result in RESULT. | |
1020 | Return 1 if the difference is negative, otherwise 0. */ | |
1021 | ||
1022 | static int | |
1023 | timeval_subtract (result, x, y) | |
1024 | struct timeval *result, x, y; | |
1025 | { | |
1026 | /* Perform the carry for the later subtraction by updating y. | |
1027 | This is safer because on some systems | |
1028 | the tv_sec member is unsigned. */ | |
1029 | if (x.tv_usec < y.tv_usec) | |
1030 | { | |
1031 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1032 | y.tv_usec -= 1000000 * nsec; | |
1033 | y.tv_sec += nsec; | |
1034 | } | |
1035 | if (x.tv_usec - y.tv_usec > 1000000) | |
1036 | { | |
1037 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1038 | y.tv_usec += 1000000 * nsec; | |
1039 | y.tv_sec -= nsec; | |
1040 | } | |
1041 | ||
1042 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1043 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1044 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1045 | ||
1046 | /* Return indication of whether the result should be considered negative. */ | |
1047 | return x.tv_sec < y.tv_sec; | |
1048 | } | |
dc6f92b8 | 1049 | |
f676886a JB |
1050 | XTflash (f) |
1051 | struct frame *f; | |
dc6f92b8 | 1052 | { |
dbc4e1c1 | 1053 | BLOCK_INPUT; |
dc6f92b8 | 1054 | |
dbc4e1c1 JB |
1055 | { |
1056 | GC gc; | |
dc6f92b8 | 1057 | |
dbc4e1c1 JB |
1058 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1059 | into background pixels. */ | |
1060 | { | |
1061 | XGCValues values; | |
dc6f92b8 | 1062 | |
dbc4e1c1 JB |
1063 | values.function = GXxor; |
1064 | values.foreground = (f->display.x->foreground_pixel | |
1065 | ^ f->display.x->background_pixel); | |
58769bee | 1066 | |
334208b7 | 1067 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
1068 | GCFunction | GCForeground, &values); |
1069 | } | |
dc6f92b8 | 1070 | |
dbc4e1c1 JB |
1071 | { |
1072 | int width = PIXEL_WIDTH (f); | |
1073 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1074 | |
334208b7 | 1075 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1076 | width/4, height/4, width/2, height/2); |
334208b7 | 1077 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 1078 | |
dbc4e1c1 JB |
1079 | { |
1080 | struct timeval wakeup, now; | |
dc6f92b8 | 1081 | |
66c30ea1 | 1082 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1083 | |
dbc4e1c1 JB |
1084 | /* Compute time to wait until, propagating carry from usecs. */ |
1085 | wakeup.tv_usec += 150000; | |
1086 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1087 | wakeup.tv_usec %= 1000000; | |
1088 | ||
1089 | /* Keep waiting until past the time wakeup. */ | |
1090 | while (1) | |
1091 | { | |
1092 | struct timeval timeout; | |
1093 | ||
66c30ea1 | 1094 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1095 | |
1096 | /* In effect, timeout = wakeup - timeout. | |
1097 | Break if result would be negative. */ | |
1098 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1099 | break; | |
1100 | ||
1101 | /* Try to wait that long--but we might wake up sooner. */ | |
1102 | select (0, 0, 0, 0, &timeout); | |
1103 | } | |
1104 | } | |
58769bee | 1105 | |
334208b7 | 1106 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), gc, |
dbc4e1c1 | 1107 | width/4, height/4, width/2, height/2); |
334208b7 RS |
1108 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
1109 | XFlush (FRAME_X_DISPLAY (f)); | |
dc6f92b8 | 1110 | } |
dbc4e1c1 JB |
1111 | } |
1112 | ||
1113 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1114 | } |
1115 | ||
dbc4e1c1 JB |
1116 | #endif |
1117 | ||
1118 | ||
dc6f92b8 JB |
1119 | /* Make audible bell. */ |
1120 | ||
334208b7 | 1121 | #define XRINGBELL XBell (FRAME_X_DISPLAY (selected_frame), 0) |
dc6f92b8 JB |
1122 | |
1123 | XTring_bell () | |
1124 | { | |
334208b7 | 1125 | if (FRAME_X_DISPLAY (selected_frame) == 0) |
5a6ef893 RS |
1126 | return; |
1127 | ||
dbc4e1c1 | 1128 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1129 | if (visible_bell) |
f676886a | 1130 | XTflash (selected_frame); |
dc6f92b8 | 1131 | else |
dbc4e1c1 | 1132 | #endif |
dc6f92b8 JB |
1133 | { |
1134 | BLOCK_INPUT; | |
1135 | XRINGBELL; | |
334208b7 | 1136 | XFlush (FRAME_X_DISPLAY (selected_frame)); |
dc6f92b8 JB |
1137 | UNBLOCK_INPUT; |
1138 | } | |
1139 | } | |
1140 | \f | |
f451eb13 JB |
1141 | /* Insert and delete character. |
1142 | These are not supposed to be used because we are supposed to turn | |
1143 | off the feature of using them. */ | |
dc6f92b8 | 1144 | |
58769bee | 1145 | static |
dc6f92b8 JB |
1146 | XTinsert_glyphs (start, len) |
1147 | register char *start; | |
1148 | register int len; | |
1149 | { | |
1150 | abort (); | |
1151 | } | |
1152 | ||
58769bee | 1153 | static |
dc6f92b8 JB |
1154 | XTdelete_glyphs (n) |
1155 | register int n; | |
1156 | { | |
1157 | abort (); | |
1158 | } | |
1159 | \f | |
1160 | /* Specify how many text lines, from the top of the window, | |
1161 | should be affected by insert-lines and delete-lines operations. | |
1162 | This, and those operations, are used only within an update | |
1163 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1164 | ||
1165 | static | |
1166 | XTset_terminal_window (n) | |
1167 | register int n; | |
1168 | { | |
f676886a | 1169 | if (updating_frame == 0) |
dc6f92b8 JB |
1170 | abort (); |
1171 | ||
f676886a JB |
1172 | if ((n <= 0) || (n > updating_frame->height)) |
1173 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1174 | else |
1175 | flexlines = n; | |
1176 | } | |
1177 | \f | |
7a13e894 RS |
1178 | /* These variables need not be per frame |
1179 | because redisplay is done on a frame-by-frame basis | |
1180 | and the line dance for one frame is finished before | |
1181 | anything is done for anoter frame. */ | |
1182 | ||
58769bee KH |
1183 | /* Array of line numbers from cached insert/delete operations. |
1184 | line_dance[i] is the old position of the line that we want | |
1185 | to move to line i, or -1 if we want a blank line there. */ | |
1186 | static int *line_dance; | |
dc6f92b8 | 1187 | |
58769bee KH |
1188 | /* Allocated length of that array. */ |
1189 | static int line_dance_len; | |
dc6f92b8 | 1190 | |
58769bee KH |
1191 | /* Flag indicating whether we've done any work. */ |
1192 | static int line_dance_in_progress; | |
dc6f92b8 | 1193 | |
58769bee KH |
1194 | /* Perform an insert-lines or delete-lines operation, |
1195 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1196 | XTins_del_lines (vpos, n) | |
1197 | int vpos, n; | |
dc6f92b8 | 1198 | { |
58769bee | 1199 | register int fence, i; |
dc6f92b8 | 1200 | |
58769bee | 1201 | if (vpos >= flexlines) |
dc6f92b8 JB |
1202 | return; |
1203 | ||
58769bee | 1204 | if (!line_dance_in_progress) |
dc6f92b8 | 1205 | { |
58769bee KH |
1206 | int ht = updating_frame->height; |
1207 | if (ht > line_dance_len) | |
1208 | { | |
1209 | line_dance = (int *)xrealloc (line_dance, ht * sizeof (int)); | |
1210 | line_dance_len = ht; | |
1211 | } | |
1212 | for (i = 0; i < ht; ++i) line_dance[i] = i; | |
1213 | line_dance_in_progress = 1; | |
1214 | } | |
1215 | if (n >= 0) | |
1216 | { | |
1217 | if (n > flexlines - vpos) | |
1218 | n = flexlines - vpos; | |
1219 | fence = vpos + n; | |
1220 | for (i = flexlines; --i >= fence;) | |
1221 | line_dance[i] = line_dance[i-n]; | |
1222 | for (i = fence; --i >= vpos;) | |
1223 | line_dance[i] = -1; | |
dc6f92b8 JB |
1224 | } |
1225 | else | |
1226 | { | |
58769bee KH |
1227 | n = -n; |
1228 | if (n > flexlines - vpos) | |
1229 | n = flexlines - vpos; | |
1230 | fence = flexlines - n; | |
1231 | for (i = vpos; i < fence; ++i) | |
1232 | line_dance[i] = line_dance[i + n]; | |
1233 | for (i = fence; i < flexlines; ++i) | |
1234 | line_dance[i] = -1; | |
dc6f92b8 JB |
1235 | } |
1236 | } | |
1237 | ||
58769bee KH |
1238 | /* Here's where we actually move the pixels around. |
1239 | Must be called with input blocked. */ | |
1240 | static void | |
1241 | do_line_dance () | |
dc6f92b8 | 1242 | { |
58769bee KH |
1243 | register int i, j, distance; |
1244 | register struct frame *f; | |
1245 | int ht; | |
1246 | int intborder; | |
1247 | ||
1248 | /* Must check this flag first. If it's not set, then not only is the | |
1249 | array uninitialized, but we might not even have a frame. */ | |
1250 | if (!line_dance_in_progress) | |
1251 | return; | |
1252 | ||
1253 | f = updating_frame; | |
1254 | if (f == 0) | |
dc6f92b8 JB |
1255 | abort (); |
1256 | ||
58769bee KH |
1257 | ht = f->height; |
1258 | intborder = f->display.x->internal_border_width; | |
1259 | ||
f676886a | 1260 | x_display_cursor (updating_frame, 0); |
dc6f92b8 | 1261 | |
58769bee KH |
1262 | for (i = 0; i < ht; ++i) |
1263 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) > 0) | |
1264 | { | |
1265 | for (j = i; (j < ht && line_dance[j] != -1 | |
1266 | && line_dance[j]-j == distance); ++j); | |
1267 | /* Copy [i,j) upward from [i+distance,j+distance) */ | |
334208b7 | 1268 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1269 | FRAME_X_WINDOW (f), f->display.x->normal_gc, |
1270 | intborder, CHAR_TO_PIXEL_ROW (f, i+distance), | |
1271 | f->width * FONT_WIDTH (f->display.x->font), | |
1272 | (j-i) * f->display.x->line_height, | |
1273 | intborder, CHAR_TO_PIXEL_ROW (f, i)); | |
1274 | i = j-1; | |
1275 | } | |
dc6f92b8 | 1276 | |
58769bee KH |
1277 | for (i = ht; --i >=0; ) |
1278 | if (line_dance[i] != -1 && (distance = line_dance[i]-i) < 0) | |
1279 | { | |
1280 | for (j = i; (--j >= 0 && line_dance[j] != -1 | |
0ccf5d73 | 1281 | && line_dance[j]-j == distance);); |
58769bee | 1282 | /* Copy (j,i] downward from (j+distance, i+distance] */ |
334208b7 | 1283 | XCopyArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1284 | FRAME_X_WINDOW (f), f->display.x->normal_gc, |
1285 | intborder, CHAR_TO_PIXEL_ROW (f, j+1+distance), | |
1286 | f->width * FONT_WIDTH (f->display.x->font), | |
1287 | (i-j) * f->display.x->line_height, | |
1288 | intborder, CHAR_TO_PIXEL_ROW (f, j+1)); | |
1289 | i = j+1; | |
1290 | } | |
1291 | ||
1292 | for (i = 0; i < ht; ++i) | |
1293 | if (line_dance[i] == -1) | |
1294 | { | |
1295 | for (j = i; j < ht && line_dance[j] == -1; ++j); | |
1296 | /* Clear [i,j) */ | |
334208b7 | 1297 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
58769bee KH |
1298 | intborder, CHAR_TO_PIXEL_ROW (f, i), |
1299 | f->width * FONT_WIDTH (f->display.x->font), | |
1300 | (j-i) * f->display.x->line_height, False); | |
1301 | i = j-1; | |
1302 | } | |
1303 | line_dance_in_progress = 0; | |
dc6f92b8 JB |
1304 | } |
1305 | \f | |
f451eb13 | 1306 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1307 | static void clear_cursor (); |
1308 | ||
f676886a JB |
1309 | /* Output into a rectangle of an X-window (for frame F) |
1310 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1311 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1312 | ROWS and COLS are the size of the rectangle. |
1313 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1314 | |
1315 | static void | |
f676886a JB |
1316 | dumprectangle (f, left, top, cols, rows) |
1317 | struct frame *f; | |
dc6f92b8 JB |
1318 | register int left, top, cols, rows; |
1319 | { | |
f676886a | 1320 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1321 | int cursor_cleared = 0; |
1322 | int bottom, right; | |
1323 | register int y; | |
1324 | ||
f676886a | 1325 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1326 | return; |
1327 | ||
dc6f92b8 JB |
1328 | /* Express rectangle as four edges, instead of position-and-size. */ |
1329 | bottom = top + rows; | |
1330 | right = left + cols; | |
58769bee | 1331 | |
dc6f92b8 JB |
1332 | /* Convert rectangle edges in pixels to edges in chars. |
1333 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1334 | top = PIXEL_TO_CHAR_ROW (f, top); |
1335 | left = PIXEL_TO_CHAR_COL (f, left); | |
a27f9f86 | 1336 | bottom += (f->display.x->line_height - 1); |
f676886a | 1337 | right += (FONT_WIDTH (f->display.x->font) - 1); |
12ba150f JB |
1338 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1339 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1340 | |
1341 | /* Clip the rectangle to what can be visible. */ | |
1342 | if (left < 0) | |
1343 | left = 0; | |
1344 | if (top < 0) | |
1345 | top = 0; | |
f676886a JB |
1346 | if (right > f->width) |
1347 | right = f->width; | |
1348 | if (bottom > f->height) | |
1349 | bottom = f->height; | |
dc6f92b8 JB |
1350 | |
1351 | /* Get size in chars of the rectangle. */ | |
1352 | cols = right - left; | |
1353 | rows = bottom - top; | |
1354 | ||
1355 | /* If rectangle has zero area, return. */ | |
1356 | if (rows <= 0) return; | |
1357 | if (cols <= 0) return; | |
1358 | ||
1359 | /* Turn off the cursor if it is in the rectangle. | |
1360 | We will turn it back on afterward. */ | |
f676886a JB |
1361 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1362 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1363 | { |
f676886a | 1364 | clear_cursor (f); |
dc6f92b8 JB |
1365 | cursor_cleared = 1; |
1366 | } | |
1367 | ||
1368 | /* Display the text in the rectangle, one text line at a time. */ | |
1369 | ||
1370 | for (y = top; y < bottom; y++) | |
1371 | { | |
f676886a | 1372 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1373 | |
f676886a | 1374 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1375 | continue; |
1376 | ||
f676886a | 1377 | dumpglyphs (f, |
12ba150f JB |
1378 | CHAR_TO_PIXEL_COL (f, left), |
1379 | CHAR_TO_PIXEL_ROW (f, y), | |
1380 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1381 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1382 | } |
1383 | ||
1384 | /* Turn the cursor on if we turned it off. */ | |
1385 | ||
1386 | if (cursor_cleared) | |
f676886a | 1387 | x_display_cursor (f, 1); |
dc6f92b8 | 1388 | } |
dc6f92b8 | 1389 | \f |
dc6f92b8 | 1390 | static void |
334208b7 RS |
1391 | frame_highlight (f) |
1392 | struct frame *f; | |
dc6f92b8 | 1393 | { |
b3e1e05c JB |
1394 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1395 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1396 | and border pixel are window attributes which are "private to the | |
1397 | client", so we can always change it to whatever we want. */ | |
1398 | BLOCK_INPUT; | |
334208b7 RS |
1399 | XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1400 | f->display.x->border_pixel); | |
b3e1e05c | 1401 | UNBLOCK_INPUT; |
334208b7 | 1402 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1403 | } |
1404 | ||
1405 | static void | |
334208b7 RS |
1406 | frame_unhighlight (f) |
1407 | struct frame *f; | |
dc6f92b8 | 1408 | { |
b3e1e05c JB |
1409 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1410 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1411 | and border pixel are window attributes which are "private to the | |
1412 | client", so we can always change it to whatever we want. */ | |
1413 | BLOCK_INPUT; | |
334208b7 RS |
1414 | XSetWindowBorderPixmap (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
1415 | f->display.x->border_tile); | |
b3e1e05c | 1416 | UNBLOCK_INPUT; |
334208b7 | 1417 | x_display_cursor (f, 1); |
dc6f92b8 | 1418 | } |
dc6f92b8 | 1419 | |
f676886a | 1420 | static void XTframe_rehighlight (); |
6d4238f3 | 1421 | |
f676886a JB |
1422 | /* The focus has changed. Update the frames as necessary to reflect |
1423 | the new situation. Note that we can't change the selected frame | |
c5acd733 | 1424 | here, because the Lisp code we are interrupting might become confused. |
eb8c3be9 | 1425 | Each event gets marked with the frame in which it occurred, so the |
c5acd733 | 1426 | Lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1427 | |
6d4238f3 | 1428 | static void |
f676886a JB |
1429 | x_new_focus_frame (frame) |
1430 | struct frame *frame; | |
dc6f92b8 | 1431 | { |
f676886a | 1432 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1433 | int events_enqueued = 0; |
1434 | ||
f676886a | 1435 | if (frame != x_focus_frame) |
dc6f92b8 | 1436 | { |
58769bee | 1437 | /* Set this before calling other routines, so that they see |
f676886a JB |
1438 | the correct value of x_focus_frame. */ |
1439 | x_focus_frame = frame; | |
6d4238f3 JB |
1440 | |
1441 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1442 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1443 | |
1444 | #if 0 | |
f676886a | 1445 | selected_frame = frame; |
e0c1aef2 KH |
1446 | XSETFRAME (XWINDOW (selected_frame->selected_window)->frame, |
1447 | selected_frame); | |
f676886a JB |
1448 | Fselect_window (selected_frame->selected_window); |
1449 | choose_minibuf_frame (); | |
c118dd06 | 1450 | #endif /* ! 0 */ |
dc6f92b8 | 1451 | |
f676886a | 1452 | if (x_focus_frame && x_focus_frame->auto_raise) |
0134a210 RS |
1453 | pending_autoraise_frame = x_focus_frame; |
1454 | else | |
1455 | pending_autoraise_frame = 0; | |
6d4238f3 | 1456 | } |
dc6f92b8 | 1457 | |
f676886a | 1458 | XTframe_rehighlight (); |
6d4238f3 JB |
1459 | } |
1460 | ||
37c2c98b RS |
1461 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ |
1462 | ||
1463 | void | |
1464 | x_mouse_leave () | |
1465 | { | |
1466 | if (! x_focus_event_frame) | |
1467 | x_new_focus_frame (NULL); | |
1468 | else | |
1469 | x_new_focus_frame (x_focus_event_frame); /* Was f, but that seems wrong. */ | |
1470 | } | |
6d4238f3 | 1471 | |
f451eb13 JB |
1472 | /* The focus has changed, or we have redirected a frame's focus to |
1473 | another frame (this happens when a frame uses a surrogate | |
1474 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1475 | static void |
f676886a | 1476 | XTframe_rehighlight () |
6d4238f3 | 1477 | { |
f676886a | 1478 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1479 | |
f676886a | 1480 | if (x_focus_frame) |
6d4238f3 | 1481 | { |
0299d313 RS |
1482 | x_highlight_frame |
1483 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (x_focus_frame))) | |
1484 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) | |
1485 | : x_focus_frame); | |
f451eb13 JB |
1486 | if (! FRAME_LIVE_P (x_highlight_frame)) |
1487 | { | |
1488 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1489 | x_highlight_frame = x_focus_frame; | |
1490 | } | |
dc6f92b8 | 1491 | } |
6d4238f3 | 1492 | else |
f676886a | 1493 | x_highlight_frame = 0; |
dc6f92b8 | 1494 | |
f676886a | 1495 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1496 | { |
1497 | if (old_highlight) | |
f676886a JB |
1498 | frame_unhighlight (old_highlight); |
1499 | if (x_highlight_frame) | |
1500 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1501 | } |
dc6f92b8 JB |
1502 | } |
1503 | \f | |
e4571a43 | 1504 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1505 | |
28430d3c JB |
1506 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1507 | static void | |
334208b7 RS |
1508 | x_find_modifier_meanings (dpyinfo) |
1509 | struct x_display_info *dpyinfo; | |
28430d3c | 1510 | { |
f689eb05 | 1511 | int min_code, max_code; |
28430d3c JB |
1512 | KeySym *syms; |
1513 | int syms_per_code; | |
1514 | XModifierKeymap *mods; | |
1515 | ||
334208b7 RS |
1516 | dpyinfo->meta_mod_mask = 0; |
1517 | dpyinfo->shift_lock_mask = 0; | |
1518 | dpyinfo->alt_mod_mask = 0; | |
1519 | dpyinfo->super_mod_mask = 0; | |
1520 | dpyinfo->hyper_mod_mask = 0; | |
58769bee | 1521 | |
9658a521 | 1522 | #ifdef HAVE_X11R4 |
334208b7 | 1523 | XDisplayKeycodes (dpyinfo->display, &min_code, &max_code); |
9658a521 | 1524 | #else |
334208b7 RS |
1525 | min_code = display->min_keycode; |
1526 | max_code = display->max_keycode; | |
9658a521 JB |
1527 | #endif |
1528 | ||
334208b7 | 1529 | syms = XGetKeyboardMapping (dpyinfo->display, |
28430d3c JB |
1530 | min_code, max_code - min_code + 1, |
1531 | &syms_per_code); | |
334208b7 | 1532 | mods = XGetModifierMapping (dpyinfo->display); |
28430d3c | 1533 | |
58769bee | 1534 | /* Scan the modifier table to see which modifier bits the Meta and |
11edeb03 | 1535 | Alt keysyms are on. */ |
28430d3c JB |
1536 | { |
1537 | int row, col; /* The row and column in the modifier table. */ | |
1538 | ||
1539 | for (row = 3; row < 8; row++) | |
1540 | for (col = 0; col < mods->max_keypermod; col++) | |
1541 | { | |
0299d313 RS |
1542 | KeyCode code |
1543 | = mods->modifiermap[(row * mods->max_keypermod) + col]; | |
28430d3c | 1544 | |
af92970c KH |
1545 | /* Zeroes are used for filler. Skip them. */ |
1546 | if (code == 0) | |
1547 | continue; | |
1548 | ||
28430d3c JB |
1549 | /* Are any of this keycode's keysyms a meta key? */ |
1550 | { | |
1551 | int code_col; | |
1552 | ||
1553 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1554 | { | |
f689eb05 | 1555 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1556 | |
f689eb05 | 1557 | switch (sym) |
28430d3c | 1558 | { |
f689eb05 JB |
1559 | case XK_Meta_L: |
1560 | case XK_Meta_R: | |
334208b7 | 1561 | dpyinfo->meta_mod_mask |= (1 << row); |
28430d3c | 1562 | break; |
f689eb05 JB |
1563 | |
1564 | case XK_Alt_L: | |
1565 | case XK_Alt_R: | |
334208b7 | 1566 | dpyinfo->alt_mod_mask |= (1 << row); |
a3c44b14 RS |
1567 | break; |
1568 | ||
1569 | case XK_Hyper_L: | |
1570 | case XK_Hyper_R: | |
334208b7 | 1571 | dpyinfo->hyper_mod_mask |= (1 << row); |
a3c44b14 RS |
1572 | break; |
1573 | ||
1574 | case XK_Super_L: | |
1575 | case XK_Super_R: | |
334208b7 | 1576 | dpyinfo->super_mod_mask |= (1 << row); |
f689eb05 | 1577 | break; |
11edeb03 JB |
1578 | |
1579 | case XK_Shift_Lock: | |
1580 | /* Ignore this if it's not on the lock modifier. */ | |
1581 | if ((1 << row) == LockMask) | |
334208b7 | 1582 | dpyinfo->shift_lock_mask = LockMask; |
11edeb03 | 1583 | break; |
28430d3c JB |
1584 | } |
1585 | } | |
1586 | } | |
1587 | } | |
1588 | } | |
1589 | ||
f689eb05 | 1590 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
334208b7 | 1591 | if (! dpyinfo->meta_mod_mask) |
a3c44b14 | 1592 | { |
334208b7 RS |
1593 | dpyinfo->meta_mod_mask = dpyinfo->alt_mod_mask; |
1594 | dpyinfo->alt_mod_mask = 0; | |
a3c44b14 | 1595 | } |
f689eb05 | 1596 | |
148c4b70 RS |
1597 | /* If some keys are both alt and meta, |
1598 | make them just meta, not alt. */ | |
334208b7 | 1599 | if (dpyinfo->alt_mod_mask & dpyinfo->meta_mod_mask) |
148c4b70 | 1600 | { |
334208b7 | 1601 | dpyinfo->alt_mod_mask &= ~dpyinfo->meta_mod_mask; |
148c4b70 | 1602 | } |
58769bee | 1603 | |
28430d3c | 1604 | XFree ((char *) syms); |
f689eb05 | 1605 | XFreeModifiermap (mods); |
28430d3c JB |
1606 | } |
1607 | ||
dfeccd2d JB |
1608 | /* Convert between the modifier bits X uses and the modifier bits |
1609 | Emacs uses. */ | |
7c5283e4 | 1610 | static unsigned int |
334208b7 RS |
1611 | x_x_to_emacs_modifiers (dpyinfo, state) |
1612 | struct x_display_info *dpyinfo; | |
dc6f92b8 JB |
1613 | unsigned int state; |
1614 | { | |
334208b7 RS |
1615 | return ( ((state & (ShiftMask | dpyinfo->shift_lock_mask)) ? shift_modifier : 0) |
1616 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
1617 | | ((state & dpyinfo->meta_mod_mask) ? meta_modifier : 0) | |
1618 | | ((state & dpyinfo->alt_mod_mask) ? alt_modifier : 0) | |
1619 | | ((state & dpyinfo->super_mod_mask) ? super_modifier : 0) | |
1620 | | ((state & dpyinfo->hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1621 | } |
1622 | ||
dfeccd2d | 1623 | static unsigned int |
334208b7 RS |
1624 | x_emacs_to_x_modifiers (dpyinfo, state) |
1625 | struct x_display_info *dpyinfo; | |
dfeccd2d JB |
1626 | unsigned int state; |
1627 | { | |
334208b7 RS |
1628 | return ( ((state & alt_modifier) ? dpyinfo->alt_mod_mask : 0) |
1629 | | ((state & super_modifier) ? dpyinfo->super_mod_mask : 0) | |
1630 | | ((state & hyper_modifier) ? dpyinfo->hyper_mod_mask : 0) | |
1631 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1632 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1633 | | ((state & meta_modifier) ? dpyinfo->meta_mod_mask : 0)); | |
dfeccd2d | 1634 | } |
e4571a43 JB |
1635 | \f |
1636 | /* Mouse clicks and mouse movement. Rah. */ | |
e4571a43 JB |
1637 | |
1638 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1639 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1640 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1641 | If NOCLIP is nonzero, do not force the value into range. */ | |
1642 | ||
c8dba240 | 1643 | void |
69388238 | 1644 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1645 | FRAME_PTR f; |
69388238 | 1646 | register int pix_x, pix_y; |
e4571a43 JB |
1647 | register int *x, *y; |
1648 | XRectangle *bounds; | |
69388238 | 1649 | int noclip; |
e4571a43 | 1650 | { |
69388238 RS |
1651 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1652 | even for negative values. */ | |
1653 | if (pix_x < 0) | |
1654 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1655 | if (pix_y < 0) | |
a27f9f86 | 1656 | pix_y -= (f)->display.x->line_height - 1; |
69388238 | 1657 | |
e4571a43 JB |
1658 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1659 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1660 | ||
1661 | if (bounds) | |
1662 | { | |
1663 | bounds->width = FONT_WIDTH (f->display.x->font); | |
a27f9f86 | 1664 | bounds->height = f->display.x->line_height; |
e4571a43 JB |
1665 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1666 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1667 | } | |
1668 | ||
69388238 RS |
1669 | if (!noclip) |
1670 | { | |
1671 | if (pix_x < 0) | |
1672 | pix_x = 0; | |
1673 | else if (pix_x > f->width) | |
1674 | pix_x = f->width; | |
1675 | ||
1676 | if (pix_y < 0) | |
1677 | pix_y = 0; | |
1678 | else if (pix_y > f->height) | |
1679 | pix_y = f->height; | |
1680 | } | |
e4571a43 JB |
1681 | |
1682 | *x = pix_x; | |
1683 | *y = pix_y; | |
1684 | } | |
1685 | ||
2b5c9e71 RS |
1686 | void |
1687 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1688 | FRAME_PTR f; | |
1689 | register int x, y; | |
1690 | register int *pix_x, *pix_y; | |
1691 | { | |
1692 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1693 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1694 | } | |
1695 | ||
dc6f92b8 JB |
1696 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1697 | ||
1698 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1699 | the mouse. */ |
dc6f92b8 JB |
1700 | |
1701 | static Lisp_Object | |
f451eb13 | 1702 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1703 | struct input_event *result; |
1704 | XButtonEvent *event; | |
f676886a | 1705 | struct frame *f; |
dc6f92b8 | 1706 | { |
f451eb13 | 1707 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1708 | otherwise. */ |
f451eb13 | 1709 | result->kind = mouse_click; |
69388238 | 1710 | result->code = event->button - Button1; |
1113d9db | 1711 | result->timestamp = event->time; |
334208b7 RS |
1712 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1713 | event->state) | |
f689eb05 | 1714 | | (event->type == ButtonRelease |
58769bee | 1715 | ? up_modifier |
f689eb05 | 1716 | : down_modifier)); |
dc6f92b8 | 1717 | |
f451eb13 JB |
1718 | { |
1719 | int row, column; | |
dc6f92b8 | 1720 | |
2b5c9e71 | 1721 | #if 0 |
69388238 | 1722 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
90e1eb6f KH |
1723 | XSETFASTINT (result->x, column); |
1724 | XSETFASTINT (result->y, row); | |
2b5c9e71 | 1725 | #endif |
e0c1aef2 KH |
1726 | XSETINT (result->x, event->x); |
1727 | XSETINT (result->y, event->y); | |
1728 | XSETFRAME (result->frame_or_window, f); | |
f451eb13 | 1729 | } |
dc6f92b8 | 1730 | } |
b849c413 RS |
1731 | |
1732 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
1733 | ||
1734 | static Lisp_Object | |
1735 | construct_menu_click (result, event, f) | |
1736 | struct input_event *result; | |
1737 | XButtonEvent *event; | |
1738 | struct frame *f; | |
1739 | { | |
1740 | /* Make the event type no_event; we'll change that when we decide | |
1741 | otherwise. */ | |
1742 | result->kind = mouse_click; | |
e0c1aef2 | 1743 | XSETINT (result->code, event->button - Button1); |
b849c413 | 1744 | result->timestamp = event->time; |
334208b7 RS |
1745 | result->modifiers = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), |
1746 | event->state) | |
b849c413 | 1747 | | (event->type == ButtonRelease |
58769bee | 1748 | ? up_modifier |
b849c413 RS |
1749 | : down_modifier)); |
1750 | ||
e0c1aef2 KH |
1751 | XSETINT (result->x, event->x); |
1752 | XSETINT (result->y, -1); | |
1753 | XSETFRAME (result->frame_or_window, f); | |
b849c413 | 1754 | } |
69388238 | 1755 | \f |
90e65f07 JB |
1756 | /* Function to report a mouse movement to the mainstream Emacs code. |
1757 | The input handler calls this. | |
1758 | ||
1759 | We have received a mouse movement event, which is given in *event. | |
1760 | If the mouse is over a different glyph than it was last time, tell | |
1761 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1762 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 1763 | |
90e65f07 | 1764 | static void |
12ba150f | 1765 | note_mouse_movement (frame, event) |
f676886a | 1766 | FRAME_PTR frame; |
90e65f07 JB |
1767 | XMotionEvent *event; |
1768 | ||
1769 | { | |
e5d77022 JB |
1770 | last_mouse_movement_time = event->time; |
1771 | ||
27f338af RS |
1772 | if (event->window != FRAME_X_WINDOW (frame)) |
1773 | { | |
1774 | mouse_moved = 1; | |
1775 | last_mouse_scroll_bar = Qnil; | |
1776 | ||
1777 | note_mouse_highlight (frame, -1, -1); | |
1778 | ||
1779 | /* Ask for another mouse motion event. */ | |
1780 | { | |
1781 | int dummy; | |
847e150a | 1782 | Window dummy_window; |
27f338af RS |
1783 | |
1784 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), | |
847e150a | 1785 | &dummy_window, &dummy_window, |
27f338af RS |
1786 | &dummy, &dummy, &dummy, &dummy, |
1787 | (unsigned int *) &dummy); | |
1788 | } | |
1789 | } | |
1790 | ||
90e65f07 | 1791 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
1792 | else if (event->x < last_mouse_glyph.x |
1793 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1794 | || event->y < last_mouse_glyph.y | |
1795 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1796 | { |
1797 | mouse_moved = 1; | |
ab648270 | 1798 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
1799 | |
1800 | note_mouse_highlight (frame, event->x, event->y); | |
1801 | ||
1802 | /* Ask for another mouse motion event. */ | |
1803 | { | |
1804 | int dummy; | |
847e150a | 1805 | Window dummy_window; |
b8009dd1 | 1806 | |
27f338af | 1807 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1808 | &dummy_window, &dummy_window, |
b8009dd1 RS |
1809 | &dummy, &dummy, &dummy, &dummy, |
1810 | (unsigned int *) &dummy); | |
1811 | } | |
12ba150f | 1812 | } |
90e65f07 JB |
1813 | else |
1814 | { | |
1815 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1816 | event the next time the mouse moves and we can see if it's | |
1817 | *still* on the same glyph. */ | |
1818 | int dummy; | |
847e150a | 1819 | Window dummy_window; |
58769bee | 1820 | |
27f338af | 1821 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
847e150a | 1822 | &dummy_window, &dummy_window, |
90e65f07 JB |
1823 | &dummy, &dummy, &dummy, &dummy, |
1824 | (unsigned int *) &dummy); | |
1825 | } | |
1826 | } | |
1827 | ||
bf1c0ba1 RS |
1828 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
1829 | static int disable_mouse_highlight; | |
1830 | ||
b8009dd1 RS |
1831 | /* Take proper action when the mouse has moved to position X, Y on frame F |
1832 | as regards highlighting characters that have mouse-face properties. | |
27f338af RS |
1833 | Also dehighlighting chars where the mouse was before. |
1834 | X and Y can be negative or out of range. */ | |
b8009dd1 RS |
1835 | |
1836 | static void | |
1837 | note_mouse_highlight (f, x, y) | |
1838 | FRAME_PTR f; | |
1839 | { | |
1840 | int row, column, portion; | |
1841 | XRectangle new_glyph; | |
1842 | Lisp_Object window; | |
1843 | struct window *w; | |
1844 | ||
bf1c0ba1 RS |
1845 | if (disable_mouse_highlight) |
1846 | return; | |
1847 | ||
7a13e894 RS |
1848 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_x = x; |
1849 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_y = y; | |
1850 | FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame = f; | |
b8009dd1 | 1851 | |
7a13e894 | 1852 | if (FRAME_X_DISPLAY_INFO (f)->mouse_face_defer) |
b8009dd1 RS |
1853 | return; |
1854 | ||
514e4681 RS |
1855 | if (gc_in_progress) |
1856 | { | |
7a13e894 | 1857 | FRAME_X_DISPLAY_INFO (f)->mouse_face_deferred_gc = 1; |
514e4681 RS |
1858 | return; |
1859 | } | |
1860 | ||
b8009dd1 RS |
1861 | /* Find out which glyph the mouse is on. */ |
1862 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
334208b7 | 1863 | &new_glyph, FRAME_X_DISPLAY_INFO (f)->grabbed); |
b8009dd1 RS |
1864 | |
1865 | /* Which window is that in? */ | |
1866 | window = window_from_coordinates (f, column, row, &portion); | |
1867 | w = XWINDOW (window); | |
1868 | ||
1869 | /* If we were displaying active text in another window, clear that. */ | |
7a13e894 RS |
1870 | if (! EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window)) |
1871 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); | |
b8009dd1 | 1872 | |
0cdd0c9f RS |
1873 | /* Are we in a window whose display is up to date? |
1874 | And verify the buffer's text has not changed. */ | |
27f338af RS |
1875 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
1876 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
0cdd0c9f RS |
1877 | && EQ (w->window_end_valid, w->buffer) |
1878 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
1879 | { |
1880 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
1881 | int i, pos; | |
1882 | ||
1883 | /* Find which buffer position the mouse corresponds to. */ | |
1884 | for (i = column; i >= 0; i--) | |
1885 | if (ptr[i] > 0) | |
1886 | break; | |
1887 | pos = ptr[i]; | |
1888 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 | 1889 | if (pos <= 0) |
7a13e894 RS |
1890 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
1891 | else if (! (EQ (window, FRAME_X_DISPLAY_INFO (f)->mouse_face_window) | |
1892 | && row >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1893 | && row <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1894 | && (row > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
1895 | || column >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col) | |
1896 | && (row < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
1897 | || column < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
1898 | || FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end))) | |
b8009dd1 RS |
1899 | { |
1900 | Lisp_Object mouse_face, overlay, position; | |
1901 | Lisp_Object *overlay_vec; | |
1902 | int len, noverlays, ignor1; | |
f8bdb8e6 | 1903 | struct buffer *obuf; |
e444162e | 1904 | int obegv, ozv; |
f8bdb8e6 | 1905 | |
e444162e RS |
1906 | /* If we get an out-of-range value, return now; avoid an error. */ |
1907 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 1908 | return; |
b8009dd1 | 1909 | |
09fe4c31 RS |
1910 | /* Make the window's buffer temporarily current for |
1911 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 1912 | obuf = current_buffer; |
09fe4c31 | 1913 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
1914 | obegv = BEGV; |
1915 | ozv = ZV; | |
1916 | BEGV = BEG; | |
1917 | ZV = Z; | |
09fe4c31 | 1918 | |
b8009dd1 | 1919 | /* Yes. Clear the display of the old active region, if any. */ |
7a13e894 | 1920 | clear_mouse_face (FRAME_X_DISPLAY_INFO (f)); |
b8009dd1 RS |
1921 | |
1922 | /* Is this char mouse-active? */ | |
e0c1aef2 | 1923 | XSETINT (position, pos); |
b8009dd1 RS |
1924 | |
1925 | len = 10; | |
1926 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
1927 | ||
1928 | /* Put all the overlays we want in a vector in overlay_vec. | |
1929 | Store the length in len. */ | |
7965883b RS |
1930 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, |
1931 | NULL, NULL); | |
09fe4c31 | 1932 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
1933 | |
1934 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
1935 | overlay = Qnil; | |
1936 | for (i = 0; i < noverlays; i++) | |
1937 | { | |
1938 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
1939 | if (!NILP (mouse_face)) | |
1940 | { | |
1941 | overlay = overlay_vec[i]; | |
1942 | break; | |
1943 | } | |
1944 | } | |
1945 | free (overlay_vec); | |
1946 | /* If no overlay applies, get a text property. */ | |
1947 | if (NILP (overlay)) | |
1948 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
1949 | ||
1950 | /* Handle the overlay case. */ | |
1951 | if (! NILP (overlay)) | |
1952 | { | |
1953 | /* Find the range of text around this char that | |
1954 | should be active. */ | |
1955 | Lisp_Object before, after; | |
1956 | int ignore; | |
1957 | ||
1958 | before = Foverlay_start (overlay); | |
1959 | after = Foverlay_end (overlay); | |
1960 | /* Record this as the current active region. */ | |
7a13e894 RS |
1961 | fast_find_position (window, before, |
1962 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
1963 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
1964 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
1965 | = !fast_find_position (window, after, | |
1966 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
1967 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
1968 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
1969 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
1970 | = compute_char_face (f, w, pos, 0, 0, | |
1971 | &ignore, pos + 1, 1); | |
b8009dd1 RS |
1972 | |
1973 | /* Display it as active. */ | |
7a13e894 | 1974 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 RS |
1975 | } |
1976 | /* Handle the text property case. */ | |
1977 | else if (! NILP (mouse_face)) | |
1978 | { | |
1979 | /* Find the range of text around this char that | |
1980 | should be active. */ | |
1981 | Lisp_Object before, after, beginning, end; | |
1982 | int ignore; | |
1983 | ||
1984 | beginning = Fmarker_position (w->start); | |
e0c1aef2 KH |
1985 | XSETINT (end, (BUF_Z (XBUFFER (w->buffer)) |
1986 | - XFASTINT (w->window_end_pos))); | |
b8009dd1 RS |
1987 | before |
1988 | = Fprevious_single_property_change (make_number (pos + 1), | |
1989 | Qmouse_face, | |
1990 | w->buffer, beginning); | |
1991 | after | |
1992 | = Fnext_single_property_change (position, Qmouse_face, | |
1993 | w->buffer, end); | |
1994 | /* Record this as the current active region. */ | |
7a13e894 RS |
1995 | fast_find_position (window, before, |
1996 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col, | |
1997 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row); | |
1998 | FRAME_X_DISPLAY_INFO (f)->mouse_face_past_end | |
1999 | = !fast_find_position (window, after, | |
2000 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col, | |
2001 | &FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row); | |
2002 | FRAME_X_DISPLAY_INFO (f)->mouse_face_window = window; | |
2003 | FRAME_X_DISPLAY_INFO (f)->mouse_face_face_id | |
b8009dd1 RS |
2004 | = compute_char_face (f, w, pos, 0, 0, |
2005 | &ignore, pos + 1, 1); | |
2006 | ||
2007 | /* Display it as active. */ | |
7a13e894 | 2008 | show_mouse_face (FRAME_X_DISPLAY_INFO (f), 1); |
b8009dd1 | 2009 | } |
e444162e RS |
2010 | BEGV = obegv; |
2011 | ZV = ozv; | |
09fe4c31 | 2012 | current_buffer = obuf; |
b8009dd1 | 2013 | } |
b8009dd1 RS |
2014 | } |
2015 | } | |
2016 | \f | |
2017 | /* Find the row and column of position POS in window WINDOW. | |
2018 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2019 | This assumes display in WINDOW is up to date. |
2020 | If POS is above start of WINDOW, return coords | |
2021 | of start of first screen line. | |
4d73d038 RS |
2022 | If POS is after end of WINDOW, return coords of end of last screen line. |
2023 | ||
2024 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
b8009dd1 RS |
2025 | |
2026 | static int | |
2027 | fast_find_position (window, pos, columnp, rowp) | |
2028 | Lisp_Object window; | |
2029 | int pos; | |
2030 | int *columnp, *rowp; | |
2031 | { | |
2032 | struct window *w = XWINDOW (window); | |
2033 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2034 | int i; | |
4d73d038 | 2035 | int row = 0; |
b8009dd1 RS |
2036 | int left = w->left; |
2037 | int top = w->top; | |
2038 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2039 | int width = window_internal_width (w); | |
2040 | int *charstarts; | |
bf1c0ba1 | 2041 | int lastcol; |
77b68646 | 2042 | int maybe_next_line = 0; |
b8009dd1 | 2043 | |
4d73d038 | 2044 | /* Find the right row. */ |
b8009dd1 RS |
2045 | for (i = 0; |
2046 | i < height; | |
2047 | i++) | |
2048 | { | |
2049 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2050 | if (linestart > pos) | |
2051 | break; | |
77b68646 RS |
2052 | /* If the position sought is the end of the buffer, |
2053 | don't include the blank lines at the bottom of the window. */ | |
2054 | if (linestart == pos && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2055 | { | |
2056 | maybe_next_line = 1; | |
2057 | break; | |
2058 | } | |
b8009dd1 RS |
2059 | if (linestart > 0) |
2060 | row = i; | |
2061 | } | |
2062 | ||
4d73d038 | 2063 | /* Find the right column with in it. */ |
b8009dd1 | 2064 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
bf1c0ba1 | 2065 | lastcol = left; |
b8009dd1 | 2066 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2067 | { |
2068 | if (charstarts[left + i] == pos) | |
2069 | { | |
2070 | *rowp = row + top; | |
2071 | *columnp = i + left; | |
2072 | return 1; | |
2073 | } | |
2074 | else if (charstarts[left + i] > pos) | |
4d73d038 RS |
2075 | break; |
2076 | else if (charstarts[left + i] > 0) | |
bf1c0ba1 RS |
2077 | lastcol = left + i; |
2078 | } | |
b8009dd1 | 2079 | |
77b68646 RS |
2080 | /* If we're looking for the end of the buffer, |
2081 | and we didn't find it in the line we scanned, | |
2082 | use the start of the following line. */ | |
2083 | if (maybe_next_line) | |
2084 | { | |
2085 | row++; | |
2086 | i = 0; | |
2087 | } | |
2088 | ||
bf1c0ba1 RS |
2089 | *rowp = row + top; |
2090 | *columnp = lastcol; | |
b8009dd1 RS |
2091 | return 0; |
2092 | } | |
2093 | ||
2094 | /* Display the active region described by mouse_face_* | |
2095 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2096 | ||
2097 | static void | |
7a13e894 RS |
2098 | show_mouse_face (dpyinfo, hl) |
2099 | struct x_display_info *dpyinfo; | |
b8009dd1 RS |
2100 | int hl; |
2101 | { | |
7a13e894 | 2102 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); |
b8009dd1 RS |
2103 | int width = window_internal_width (w); |
2104 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2105 | int i; | |
514e4681 | 2106 | int cursor_off = 0; |
fb3b7de5 RS |
2107 | int old_curs_x = curs_x; |
2108 | int old_curs_y = curs_y; | |
2109 | ||
2110 | /* Set these variables temporarily | |
2111 | so that if we have to turn the cursor off and on again | |
2112 | we will put it back at the same place. */ | |
2113 | curs_x = f->phys_cursor_x; | |
2114 | curs_y = f->phys_cursor_y; | |
b8009dd1 | 2115 | |
7a13e894 RS |
2116 | for (i = FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row; |
2117 | i <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row; i++) | |
b8009dd1 | 2118 | { |
7a13e894 RS |
2119 | int column = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
2120 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col | |
2121 | : w->left); | |
2122 | int endcolumn = (i == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
2123 | ? FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col | |
2124 | : w->left + width); | |
6f4c2453 | 2125 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
514e4681 RS |
2126 | |
2127 | /* If the cursor's in the text we are about to rewrite, | |
2128 | turn the cursor off. */ | |
2129 | if (i == curs_y | |
7a13e894 RS |
2130 | && curs_x >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col - 1 |
2131 | && curs_x <= FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col) | |
514e4681 RS |
2132 | { |
2133 | x_display_cursor (f, 0); | |
2134 | cursor_off = 1; | |
2135 | } | |
b8009dd1 RS |
2136 | |
2137 | dumpglyphs (f, | |
2138 | CHAR_TO_PIXEL_COL (f, column), | |
2139 | CHAR_TO_PIXEL_ROW (f, i), | |
2140 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2141 | endcolumn - column, | |
2142 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2143 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2144 | } |
2145 | ||
514e4681 RS |
2146 | /* If we turned the cursor off, turn it back on. */ |
2147 | if (cursor_off) | |
2148 | x_display_cursor (f, 1); | |
27ead1d5 | 2149 | |
fb3b7de5 RS |
2150 | curs_x = old_curs_x; |
2151 | curs_y = old_curs_y; | |
2152 | ||
27ead1d5 FP |
2153 | /* Change the mouse cursor according to the value of HL. */ |
2154 | if (hl > 0) | |
334208b7 RS |
2155 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
2156 | f->display.x->cross_cursor); | |
27ead1d5 | 2157 | else |
334208b7 RS |
2158 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
2159 | f->display.x->text_cursor); | |
b8009dd1 RS |
2160 | } |
2161 | ||
2162 | /* Clear out the mouse-highlighted active region. | |
2163 | Redraw it unhighlighted first. */ | |
2164 | ||
2165 | static void | |
7a13e894 RS |
2166 | clear_mouse_face (dpyinfo) |
2167 | struct x_display_info *dpyinfo; | |
b8009dd1 | 2168 | { |
7a13e894 RS |
2169 | if (! NILP (dpyinfo->mouse_face_window)) |
2170 | show_mouse_face (dpyinfo, 0); | |
b8009dd1 | 2171 | |
7a13e894 RS |
2172 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; |
2173 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
2174 | dpyinfo->mouse_face_window = Qnil; | |
b8009dd1 RS |
2175 | } |
2176 | \f | |
ab648270 JB |
2177 | static struct scroll_bar *x_window_to_scroll_bar (); |
2178 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2179 | |
90e65f07 JB |
2180 | /* Return the current position of the mouse. |
2181 | ||
ab648270 JB |
2182 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
2183 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 2184 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2185 | position on the scroll bar. |
12ba150f JB |
2186 | |
2187 | If the mouse movement started elsewhere, set *f to the frame the | |
2188 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2189 | the mouse is over. | |
2190 | ||
2191 | Set *time to the server timestamp for the time at which the mouse | |
2192 | was at this position. | |
2193 | ||
a135645a RS |
2194 | Don't store anything if we don't have a valid set of values to report. |
2195 | ||
90e65f07 | 2196 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2197 | movement. This also calls XQueryPointer, which will cause the |
2198 | server to give us another MotionNotify when the mouse moves | |
2199 | again. */ | |
90e65f07 JB |
2200 | |
2201 | static void | |
1cf412ec | 2202 | XTmouse_position (fp, insist, bar_window, part, x, y, time) |
334208b7 | 2203 | FRAME_PTR *fp; |
1cf412ec | 2204 | int insist; |
12ba150f | 2205 | Lisp_Object *bar_window; |
ab648270 | 2206 | enum scroll_bar_part *part; |
90e65f07 | 2207 | Lisp_Object *x, *y; |
e5d77022 | 2208 | unsigned long *time; |
90e65f07 | 2209 | { |
a135645a RS |
2210 | FRAME_PTR f1; |
2211 | ||
90e65f07 JB |
2212 | BLOCK_INPUT; |
2213 | ||
ab648270 | 2214 | if (! NILP (last_mouse_scroll_bar)) |
334208b7 | 2215 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
90e65f07 JB |
2216 | else |
2217 | { | |
12ba150f JB |
2218 | Window root; |
2219 | int root_x, root_y; | |
90e65f07 | 2220 | |
12ba150f JB |
2221 | Window dummy_window; |
2222 | int dummy; | |
2223 | ||
2224 | mouse_moved = 0; | |
ab648270 | 2225 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2226 | |
2227 | /* Figure out which root window we're on. */ | |
334208b7 RS |
2228 | XQueryPointer (FRAME_X_DISPLAY (*fp), |
2229 | DefaultRootWindow (FRAME_X_DISPLAY (*fp)), | |
12ba150f JB |
2230 | |
2231 | /* The root window which contains the pointer. */ | |
2232 | &root, | |
2233 | ||
2234 | /* Trash which we can't trust if the pointer is on | |
2235 | a different screen. */ | |
2236 | &dummy_window, | |
2237 | ||
2238 | /* The position on that root window. */ | |
58769bee | 2239 | &root_x, &root_y, |
12ba150f JB |
2240 | |
2241 | /* More trash we can't trust. */ | |
2242 | &dummy, &dummy, | |
2243 | ||
2244 | /* Modifier keys and pointer buttons, about which | |
2245 | we don't care. */ | |
2246 | (unsigned int *) &dummy); | |
2247 | ||
2248 | /* Now we have a position on the root; find the innermost window | |
2249 | containing the pointer. */ | |
2250 | { | |
2251 | Window win, child; | |
2252 | int win_x, win_y; | |
2253 | int parent_x, parent_y; | |
2254 | ||
2255 | win = root; | |
69388238 | 2256 | |
334208b7 | 2257 | if (FRAME_X_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
23faf38f | 2258 | && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 2259 | { |
69388238 RS |
2260 | /* If mouse was grabbed on a frame, give coords for that frame |
2261 | even if the mouse is now outside it. */ | |
334208b7 | 2262 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
69388238 | 2263 | |
12ba150f | 2264 | /* From-window, to-window. */ |
69388238 | 2265 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2266 | |
2267 | /* From-position, to-position. */ | |
2268 | root_x, root_y, &win_x, &win_y, | |
2269 | ||
2270 | /* Child of win. */ | |
2271 | &child); | |
69388238 RS |
2272 | f1 = last_mouse_frame; |
2273 | } | |
2274 | else | |
2275 | { | |
2276 | while (1) | |
2277 | { | |
334208b7 | 2278 | XTranslateCoordinates (FRAME_X_DISPLAY (*fp), |
12ba150f | 2279 | |
69388238 RS |
2280 | /* From-window, to-window. */ |
2281 | root, win, | |
12ba150f | 2282 | |
69388238 RS |
2283 | /* From-position, to-position. */ |
2284 | root_x, root_y, &win_x, &win_y, | |
2285 | ||
2286 | /* Child of win. */ | |
2287 | &child); | |
2288 | ||
2289 | if (child == None) | |
2290 | break; | |
2291 | ||
2292 | win = child; | |
2293 | parent_x = win_x; | |
2294 | parent_y = win_y; | |
2295 | } | |
12ba150f | 2296 | |
69388238 RS |
2297 | /* Now we know that: |
2298 | win is the innermost window containing the pointer | |
2299 | (XTC says it has no child containing the pointer), | |
2300 | win_x and win_y are the pointer's position in it | |
2301 | (XTC did this the last time through), and | |
2302 | parent_x and parent_y are the pointer's position in win's parent. | |
2303 | (They are what win_x and win_y were when win was child. | |
2304 | If win is the root window, it has no parent, and | |
2305 | parent_{x,y} are invalid, but that's okay, because we'll | |
2306 | never use them in that case.) */ | |
2307 | ||
2308 | /* Is win one of our frames? */ | |
2b5c9e71 | 2309 | f1 = x_any_window_to_frame (win); |
69388238 | 2310 | } |
58769bee | 2311 | |
ab648270 | 2312 | /* If not, is it one of our scroll bars? */ |
a135645a | 2313 | if (! f1) |
12ba150f | 2314 | { |
ab648270 | 2315 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2316 | |
2317 | if (bar) | |
2318 | { | |
a135645a | 2319 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2320 | win_x = parent_x; |
2321 | win_y = parent_y; | |
2322 | } | |
2323 | } | |
90e65f07 | 2324 | |
1cf412ec RS |
2325 | if (f1 == 0 && insist) |
2326 | f1 = selected_frame; | |
2327 | ||
a135645a | 2328 | if (f1) |
12ba150f | 2329 | { |
2b5c9e71 RS |
2330 | int ignore1, ignore2; |
2331 | ||
2332 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2333 | |
2b5c9e71 | 2334 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
334208b7 | 2335 | &last_mouse_glyph, |
1cf412ec RS |
2336 | FRAME_X_DISPLAY_INFO (f1)->grabbed |
2337 | || insist); | |
12ba150f JB |
2338 | |
2339 | *bar_window = Qnil; | |
2340 | *part = 0; | |
334208b7 | 2341 | *fp = f1; |
e0c1aef2 KH |
2342 | XSETINT (*x, win_x); |
2343 | XSETINT (*y, win_y); | |
12ba150f JB |
2344 | *time = last_mouse_movement_time; |
2345 | } | |
2346 | } | |
2347 | } | |
90e65f07 JB |
2348 | |
2349 | UNBLOCK_INPUT; | |
2350 | } | |
c118dd06 | 2351 | \f |
ab648270 | 2352 | /* Scroll bar support. */ |
f451eb13 | 2353 | |
ab648270 JB |
2354 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2355 | This can be called in GC, so we have to make sure to strip off mark | |
2356 | bits. */ | |
2357 | static struct scroll_bar * | |
2358 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2359 | Window window_id; |
2360 | { | |
2361 | Lisp_Object tail, frame; | |
f451eb13 | 2362 | |
ab648270 JB |
2363 | for (tail = Vframe_list; |
2364 | XGCTYPE (tail) == Lisp_Cons; | |
2365 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2366 | { |
abdda982 | 2367 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2368 | |
abdda982 | 2369 | frame = XCONS (tail)->car; |
f451eb13 | 2370 | /* All elements of Vframe_list should be frames. */ |
0299d313 | 2371 | if (! GC_FRAMEP (frame)) |
f451eb13 JB |
2372 | abort (); |
2373 | ||
ab648270 | 2374 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2375 | right window ID. */ |
ab648270 JB |
2376 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2377 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2378 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2379 | condemned scroll bar lists with one loop. */ |
2380 | ! GC_NILP (bar) || (bar = condemned, | |
2381 | condemned = Qnil, | |
2382 | ! GC_NILP (bar)); | |
bc20ebbf | 2383 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2384 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2385 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2386 | } |
2387 | ||
2388 | return 0; | |
2389 | } | |
2390 | ||
ab648270 JB |
2391 | /* Open a new X window to serve as a scroll bar, and return the |
2392 | scroll bar vector for it. */ | |
2393 | static struct scroll_bar * | |
2394 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2395 | struct window *window; |
f451eb13 JB |
2396 | int top, left, width, height; |
2397 | { | |
334208b7 RS |
2398 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); |
2399 | struct scroll_bar *bar | |
2400 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2401 | |
2402 | BLOCK_INPUT; | |
2403 | ||
2404 | { | |
2405 | XSetWindowAttributes a; | |
2406 | unsigned long mask; | |
334208b7 | 2407 | a.background_pixel = f->display.x->background_pixel; |
12ba150f | 2408 | a.event_mask = (ButtonPressMask | ButtonReleaseMask |
9a572e2a | 2409 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2410 | | ExposureMask); |
7a13e894 | 2411 | a.cursor = FRAME_X_DISPLAY_INFO (f)->vertical_scroll_bar_cursor; |
f451eb13 | 2412 | |
dbc4e1c1 | 2413 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2414 | |
3afe33e7 RS |
2415 | #if 0 |
2416 | ||
2417 | ac = 0; | |
2418 | XtSetArg (al[ac], XtNx, left); ac++; | |
2419 | XtSetArg (al[ac], XtNy, top); ac++; | |
2420 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2421 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2422 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2423 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 | 2424 | boxWidgetClass, |
334208b7 | 2425 | f->display.x->edit_widget, al, ac); |
7246d1d3 | 2426 | SET_SCROLL_BAR_X_WINDOW |
3afe33e7 | 2427 | (bar, sb_widget->core.window); |
58769bee | 2428 | #endif |
7246d1d3 | 2429 | SET_SCROLL_BAR_X_WINDOW |
58769bee | 2430 | (bar, |
334208b7 | 2431 | XCreateWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f451eb13 | 2432 | |
ab648270 | 2433 | /* Position and size of scroll bar. */ |
12ba150f | 2434 | left, top, width, height, |
f451eb13 | 2435 | |
12ba150f JB |
2436 | /* Border width, depth, class, and visual. */ |
2437 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2438 | |
12ba150f JB |
2439 | /* Attributes. */ |
2440 | mask, &a)); | |
f451eb13 JB |
2441 | } |
2442 | ||
e0c1aef2 KH |
2443 | XSETWINDOW (bar->window, window); |
2444 | XSETINT (bar->top, top); | |
2445 | XSETINT (bar->left, left); | |
2446 | XSETINT (bar->width, width); | |
2447 | XSETINT (bar->height, height); | |
2448 | XSETINT (bar->start, 0); | |
2449 | XSETINT (bar->end, 0); | |
12ba150f | 2450 | bar->dragging = Qnil; |
f451eb13 JB |
2451 | |
2452 | /* Add bar to its frame's list of scroll bars. */ | |
334208b7 | 2453 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2454 | bar->prev = Qnil; |
334208b7 | 2455 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2456 | if (! NILP (bar->next)) |
e0c1aef2 | 2457 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
f451eb13 | 2458 | |
7f9c7f94 | 2459 | XMapRaised (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2460 | |
2461 | UNBLOCK_INPUT; | |
12ba150f JB |
2462 | |
2463 | return bar; | |
f451eb13 JB |
2464 | } |
2465 | ||
12ba150f JB |
2466 | /* Draw BAR's handle in the proper position. |
2467 | If the handle is already drawn from START to END, don't bother | |
2468 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2469 | redraw it. (REBUILD is handy for drawing the handle after expose | |
58769bee | 2470 | events.) |
12ba150f JB |
2471 | |
2472 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2473 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2474 | handle, we want to let them drag it down all the way, so that the |
2475 | bar's top is as far down as it goes; otherwise, there's no way to | |
2476 | move to the very end of the buffer. */ | |
f451eb13 | 2477 | static void |
ab648270 JB |
2478 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2479 | struct scroll_bar *bar; | |
f451eb13 | 2480 | int start, end; |
12ba150f | 2481 | int rebuild; |
f451eb13 | 2482 | { |
12ba150f | 2483 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2484 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 RS |
2485 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2486 | GC gc = f->display.x->normal_gc; | |
12ba150f JB |
2487 | |
2488 | /* If the display is already accurate, do nothing. */ | |
2489 | if (! rebuild | |
2490 | && start == XINT (bar->start) | |
2491 | && end == XINT (bar->end)) | |
2492 | return; | |
2493 | ||
f451eb13 JB |
2494 | BLOCK_INPUT; |
2495 | ||
2496 | { | |
ab648270 JB |
2497 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2498 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2499 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2500 | |
2501 | /* Make sure the values are reasonable, and try to preserve | |
2502 | the distance between start and end. */ | |
12ba150f JB |
2503 | { |
2504 | int length = end - start; | |
2505 | ||
2506 | if (start < 0) | |
2507 | start = 0; | |
2508 | else if (start > top_range) | |
2509 | start = top_range; | |
2510 | end = start + length; | |
2511 | ||
2512 | if (end < start) | |
2513 | end = start; | |
2514 | else if (end > top_range && ! dragging) | |
2515 | end = top_range; | |
2516 | } | |
f451eb13 | 2517 | |
ab648270 | 2518 | /* Store the adjusted setting in the scroll bar. */ |
e0c1aef2 KH |
2519 | XSETINT (bar->start, start); |
2520 | XSETINT (bar->end, end); | |
f451eb13 | 2521 | |
12ba150f JB |
2522 | /* Clip the end position, just for display. */ |
2523 | if (end > top_range) | |
2524 | end = top_range; | |
f451eb13 | 2525 | |
ab648270 | 2526 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2527 | below top positions, to make sure the handle is always at least |
2528 | that many pixels tall. */ | |
ab648270 | 2529 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2530 | |
12ba150f JB |
2531 | /* Draw the empty space above the handle. Note that we can't clear |
2532 | zero-height areas; that means "clear to end of window." */ | |
2533 | if (0 < start) | |
334208b7 | 2534 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2535 | |
12ba150f | 2536 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2537 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2538 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2539 | inside_width, start, |
2540 | False); | |
f451eb13 | 2541 | |
12ba150f | 2542 | /* Draw the handle itself. */ |
334208b7 | 2543 | XFillRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 | 2544 | |
12ba150f | 2545 | /* x, y, width, height */ |
ab648270 JB |
2546 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2547 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2548 | inside_width, end - start); |
f451eb13 | 2549 | |
f451eb13 | 2550 | |
12ba150f JB |
2551 | /* Draw the empty space below the handle. Note that we can't |
2552 | clear zero-height areas; that means "clear to end of window." */ | |
2553 | if (end < inside_height) | |
334208b7 | 2554 | XClearArea (FRAME_X_DISPLAY (f), w, |
f451eb13 | 2555 | |
12ba150f | 2556 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2557 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2558 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2559 | inside_width, inside_height - end, |
2560 | False); | |
f451eb13 | 2561 | |
f451eb13 JB |
2562 | } |
2563 | ||
f451eb13 JB |
2564 | UNBLOCK_INPUT; |
2565 | } | |
2566 | ||
eb8c3be9 | 2567 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2568 | window configurations. */ |
f451eb13 | 2569 | static void |
ab648270 JB |
2570 | x_scroll_bar_move (bar, top, left, width, height) |
2571 | struct scroll_bar *bar; | |
f451eb13 JB |
2572 | int top, left, width, height; |
2573 | { | |
334208b7 RS |
2574 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2575 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2576 | ||
f451eb13 JB |
2577 | BLOCK_INPUT; |
2578 | ||
2579 | { | |
2580 | XWindowChanges wc; | |
2581 | unsigned int mask = 0; | |
2582 | ||
2583 | wc.x = left; | |
2584 | wc.y = top; | |
2585 | wc.width = width; | |
2586 | wc.height = height; | |
2587 | ||
12ba150f JB |
2588 | if (left != XINT (bar->left)) mask |= CWX; |
2589 | if (top != XINT (bar->top)) mask |= CWY; | |
2590 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2591 | if (height != XINT (bar->height)) mask |= CWHeight; | |
58769bee | 2592 | |
12ba150f | 2593 | if (mask) |
334208b7 | 2594 | XConfigureWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2595 | mask, &wc); |
f451eb13 JB |
2596 | } |
2597 | ||
e0c1aef2 KH |
2598 | XSETINT (bar->left, left); |
2599 | XSETINT (bar->top, top); | |
2600 | XSETINT (bar->width, width); | |
2601 | XSETINT (bar->height, height); | |
12ba150f | 2602 | |
f451eb13 JB |
2603 | UNBLOCK_INPUT; |
2604 | } | |
2605 | ||
ab648270 | 2606 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2607 | to nil. */ |
2608 | static void | |
ab648270 JB |
2609 | x_scroll_bar_remove (bar) |
2610 | struct scroll_bar *bar; | |
12ba150f JB |
2611 | { |
2612 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2613 | ||
2614 | BLOCK_INPUT; | |
2615 | ||
2616 | /* Destroy the window. */ | |
334208b7 | 2617 | XDestroyWindow (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2618 | |
ab648270 JB |
2619 | /* Disassociate this scroll bar from its window. */ |
2620 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2621 | |
2622 | UNBLOCK_INPUT; | |
2623 | } | |
2624 | ||
2625 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2626 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2627 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2628 | create one. */ |
2629 | static void | |
ab648270 | 2630 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2631 | struct window *window; |
2632 | int portion, whole, position; | |
2633 | { | |
2634 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2635 | int top = XINT (window->top); |
ab648270 JB |
2636 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2637 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2638 | |
ab648270 | 2639 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2640 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2641 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
b2cad826 KH |
2642 | int pixel_width |
2643 | = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
2644 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) | |
2645 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->display.x->font))); | |
ab648270 | 2646 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); |
f451eb13 | 2647 | |
ab648270 | 2648 | struct scroll_bar *bar; |
12ba150f | 2649 | |
ab648270 JB |
2650 | /* Does the scroll bar exist yet? */ |
2651 | if (NILP (window->vertical_scroll_bar)) | |
2652 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2653 | pixel_top, pixel_left, |
2654 | pixel_width, pixel_height); | |
2655 | else | |
12ba150f JB |
2656 | { |
2657 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2658 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2659 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2660 | } |
f451eb13 | 2661 | |
ab648270 | 2662 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2663 | dragged. */ |
12ba150f | 2664 | if (NILP (bar->dragging)) |
f451eb13 | 2665 | { |
0299d313 | 2666 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2667 | |
12ba150f | 2668 | if (whole == 0) |
ab648270 | 2669 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2670 | else |
2671 | { | |
43f868f5 JB |
2672 | int start = ((double) position * top_range) / whole; |
2673 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2674 | |
ab648270 | 2675 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2676 | } |
f451eb13 JB |
2677 | } |
2678 | ||
e0c1aef2 | 2679 | XSETVECTOR (window->vertical_scroll_bar, bar); |
f451eb13 JB |
2680 | } |
2681 | ||
12ba150f | 2682 | |
f451eb13 | 2683 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2684 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2685 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2686 | away is a real pain - "Can you say set-window-configuration, boys |
2687 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2688 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2689 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2690 | |
ab648270 JB |
2691 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2692 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2693 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
58769bee | 2694 | static void |
ab648270 | 2695 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2696 | FRAME_PTR frame; |
2697 | { | |
12ba150f JB |
2698 | /* The condemned list should be empty at this point; if it's not, |
2699 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2700 | protocol correctly. */ | |
ab648270 | 2701 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2702 | abort (); |
2703 | ||
2704 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2705 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2706 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2707 | } |
2708 | ||
ab648270 | 2709 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2710 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2711 | static void |
ab648270 | 2712 | XTredeem_scroll_bar (window) |
12ba150f | 2713 | struct window *window; |
f451eb13 | 2714 | { |
ab648270 | 2715 | struct scroll_bar *bar; |
12ba150f | 2716 | |
ab648270 JB |
2717 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2718 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2719 | abort (); |
2720 | ||
ab648270 | 2721 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2722 | |
2723 | /* Unlink it from the condemned list. */ | |
2724 | { | |
2725 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2726 | ||
2727 | if (NILP (bar->prev)) | |
2728 | { | |
2729 | /* If the prev pointer is nil, it must be the first in one of | |
2730 | the lists. */ | |
ab648270 | 2731 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2732 | /* It's not condemned. Everything's fine. */ |
2733 | return; | |
ab648270 JB |
2734 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2735 | window->vertical_scroll_bar)) | |
2736 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2737 | else |
2738 | /* If its prev pointer is nil, it must be at the front of | |
2739 | one or the other! */ | |
2740 | abort (); | |
2741 | } | |
2742 | else | |
ab648270 | 2743 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2744 | |
2745 | if (! NILP (bar->next)) | |
ab648270 | 2746 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2747 | |
ab648270 | 2748 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2749 | bar->prev = Qnil; |
e0c1aef2 | 2750 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); |
12ba150f | 2751 | if (! NILP (bar->next)) |
e0c1aef2 | 2752 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); |
12ba150f | 2753 | } |
f451eb13 JB |
2754 | } |
2755 | ||
ab648270 JB |
2756 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2757 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2758 | static void |
ab648270 | 2759 | XTjudge_scroll_bars (f) |
12ba150f | 2760 | FRAME_PTR f; |
f451eb13 | 2761 | { |
12ba150f | 2762 | Lisp_Object bar, next; |
f451eb13 | 2763 | |
ab648270 | 2764 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2765 | |
2766 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2767 | more events on the hapless scroll bars. */ |
2768 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2769 | |
2770 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2771 | { |
ab648270 | 2772 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2773 | |
ab648270 | 2774 | x_scroll_bar_remove (b); |
12ba150f JB |
2775 | |
2776 | next = b->next; | |
2777 | b->next = b->prev = Qnil; | |
f451eb13 | 2778 | } |
12ba150f | 2779 | |
ab648270 | 2780 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2781 | and they should get garbage-collected. */ |
f451eb13 JB |
2782 | } |
2783 | ||
2784 | ||
ab648270 JB |
2785 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2786 | ||
2787 | This may be called from a signal handler, so we have to ignore GC | |
2788 | mark bits. */ | |
f451eb13 | 2789 | static void |
ab648270 JB |
2790 | x_scroll_bar_expose (bar, event) |
2791 | struct scroll_bar *bar; | |
f451eb13 JB |
2792 | XEvent *event; |
2793 | { | |
ab648270 | 2794 | Window w = SCROLL_BAR_X_WINDOW (bar); |
334208b7 RS |
2795 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
2796 | GC gc = f->display.x->normal_gc; | |
12ba150f | 2797 | |
f451eb13 JB |
2798 | BLOCK_INPUT; |
2799 | ||
ab648270 | 2800 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2801 | |
ab648270 | 2802 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
334208b7 | 2803 | XDrawRectangle (FRAME_X_DISPLAY (f), w, gc, |
f451eb13 JB |
2804 | |
2805 | /* x, y, width, height */ | |
12ba150f | 2806 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2807 | |
f451eb13 JB |
2808 | UNBLOCK_INPUT; |
2809 | } | |
2810 | ||
ab648270 JB |
2811 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2812 | is set to something other than no_event, it is enqueued. | |
2813 | ||
2814 | This may be called from a signal handler, so we have to ignore GC | |
2815 | mark bits. */ | |
f451eb13 | 2816 | static void |
ab648270 JB |
2817 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2818 | struct scroll_bar *bar; | |
f451eb13 JB |
2819 | XEvent *event; |
2820 | struct input_event *emacs_event; | |
2821 | { | |
0299d313 | 2822 | if (! GC_WINDOWP (bar->window)) |
12ba150f JB |
2823 | abort (); |
2824 | ||
ab648270 | 2825 | emacs_event->kind = scroll_bar_click; |
69388238 | 2826 | emacs_event->code = event->xbutton.button - Button1; |
0299d313 RS |
2827 | emacs_event->modifiers |
2828 | = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO | |
2829 | (XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))), | |
2830 | event->xbutton.state) | |
2831 | | (event->type == ButtonRelease | |
2832 | ? up_modifier | |
2833 | : down_modifier)); | |
12ba150f | 2834 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2835 | emacs_event->timestamp = event->xbutton.time; |
12ba150f | 2836 | { |
0299d313 RS |
2837 | int internal_height |
2838 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2839 | int top_range | |
2840 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
ab648270 | 2841 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; |
12ba150f JB |
2842 | |
2843 | if (y < 0) y = 0; | |
2844 | if (y > top_range) y = top_range; | |
2845 | ||
2846 | if (y < XINT (bar->start)) | |
ab648270 JB |
2847 | emacs_event->part = scroll_bar_above_handle; |
2848 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2849 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2850 | else |
ab648270 | 2851 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2852 | |
2853 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2854 | they want to drag it. Lisp code needs to be able to decide |
2855 | whether or not we're dragging. */ | |
929787e1 | 2856 | #if 0 |
12ba150f JB |
2857 | /* If the user has just clicked on the handle, record where they're |
2858 | holding it. */ | |
2859 | if (event->type == ButtonPress | |
ab648270 | 2860 | && emacs_event->part == scroll_bar_handle) |
e0c1aef2 | 2861 | XSETINT (bar->dragging, y - XINT (bar->start)); |
929787e1 | 2862 | #endif |
12ba150f JB |
2863 | |
2864 | /* If the user has released the handle, set it to its final position. */ | |
2865 | if (event->type == ButtonRelease | |
2866 | && ! NILP (bar->dragging)) | |
2867 | { | |
2868 | int new_start = y - XINT (bar->dragging); | |
2869 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2870 | |
ab648270 | 2871 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2872 | bar->dragging = Qnil; |
2873 | } | |
f451eb13 | 2874 | |
5116f055 JB |
2875 | /* Same deal here as the other #if 0. */ |
2876 | #if 0 | |
58769bee | 2877 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 2878 | the handle. */ |
ab648270 | 2879 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2880 | emacs_event->x = bar->start; |
2881 | else | |
e0c1aef2 | 2882 | XSETINT (emacs_event->x, y); |
5116f055 | 2883 | #else |
e0c1aef2 | 2884 | XSETINT (emacs_event->x, y); |
5116f055 | 2885 | #endif |
f451eb13 | 2886 | |
e0c1aef2 | 2887 | XSETINT (emacs_event->y, top_range); |
12ba150f JB |
2888 | } |
2889 | } | |
f451eb13 | 2890 | |
ab648270 JB |
2891 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2892 | ||
2893 | This may be called from a signal handler, so we have to ignore GC | |
2894 | mark bits. */ | |
f451eb13 | 2895 | static void |
ab648270 JB |
2896 | x_scroll_bar_note_movement (bar, event) |
2897 | struct scroll_bar *bar; | |
f451eb13 JB |
2898 | XEvent *event; |
2899 | { | |
2900 | last_mouse_movement_time = event->xmotion.time; | |
2901 | ||
2902 | mouse_moved = 1; | |
e0c1aef2 | 2903 | XSETVECTOR (last_mouse_scroll_bar, bar); |
f451eb13 JB |
2904 | |
2905 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2906 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2907 | { |
2908 | /* Where should the handle be now? */ | |
12ba150f | 2909 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2910 | |
12ba150f | 2911 | if (new_start != XINT (bar->start)) |
f451eb13 | 2912 | { |
12ba150f | 2913 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
58769bee | 2914 | |
ab648270 | 2915 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2916 | } |
2917 | } | |
2918 | ||
2919 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2920 | moves and we can see *still* on the same position. */ | |
2921 | { | |
2922 | int dummy; | |
847e150a | 2923 | Window dummy_window; |
58769bee | 2924 | |
f451eb13 | 2925 | XQueryPointer (event->xmotion.display, event->xmotion.window, |
847e150a | 2926 | &dummy_window, &dummy_window, |
f451eb13 JB |
2927 | &dummy, &dummy, &dummy, &dummy, |
2928 | (unsigned int *) &dummy); | |
2929 | } | |
2930 | } | |
2931 | ||
12ba150f | 2932 | /* Return information to the user about the current position of the mouse |
ab648270 | 2933 | on the scroll bar. */ |
12ba150f | 2934 | static void |
334208b7 RS |
2935 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) |
2936 | FRAME_PTR *fp; | |
12ba150f | 2937 | Lisp_Object *bar_window; |
ab648270 | 2938 | enum scroll_bar_part *part; |
12ba150f JB |
2939 | Lisp_Object *x, *y; |
2940 | unsigned long *time; | |
2941 | { | |
ab648270 | 2942 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
334208b7 RS |
2943 | Window w = SCROLL_BAR_X_WINDOW (bar); |
2944 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
12ba150f | 2945 | int win_x, win_y; |
559cb2fb JB |
2946 | Window dummy_window; |
2947 | int dummy_coord; | |
2948 | unsigned int dummy_mask; | |
12ba150f | 2949 | |
cf7cb199 JB |
2950 | BLOCK_INPUT; |
2951 | ||
ab648270 | 2952 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 2953 | report that. */ |
334208b7 | 2954 | if (! XQueryPointer (FRAME_X_DISPLAY (f), w, |
12ba150f | 2955 | |
559cb2fb JB |
2956 | /* Root, child, root x and root y. */ |
2957 | &dummy_window, &dummy_window, | |
2958 | &dummy_coord, &dummy_coord, | |
12ba150f | 2959 | |
559cb2fb JB |
2960 | /* Position relative to scroll bar. */ |
2961 | &win_x, &win_y, | |
12ba150f | 2962 | |
559cb2fb JB |
2963 | /* Mouse buttons and modifier keys. */ |
2964 | &dummy_mask)) | |
7a13e894 | 2965 | ; |
559cb2fb JB |
2966 | else |
2967 | { | |
2968 | int inside_height | |
2969 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2970 | int top_range | |
2971 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2972 | ||
2973 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
2974 | ||
2975 | if (! NILP (bar->dragging)) | |
2976 | win_y -= XINT (bar->dragging); | |
2977 | ||
2978 | if (win_y < 0) | |
2979 | win_y = 0; | |
2980 | if (win_y > top_range) | |
2981 | win_y = top_range; | |
2982 | ||
334208b7 | 2983 | *fp = f; |
7a13e894 | 2984 | *bar_window = bar->window; |
559cb2fb JB |
2985 | |
2986 | if (! NILP (bar->dragging)) | |
2987 | *part = scroll_bar_handle; | |
2988 | else if (win_y < XINT (bar->start)) | |
2989 | *part = scroll_bar_above_handle; | |
2990 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2991 | *part = scroll_bar_handle; | |
2992 | else | |
2993 | *part = scroll_bar_below_handle; | |
12ba150f | 2994 | |
e0c1aef2 KH |
2995 | XSETINT (*x, win_y); |
2996 | XSETINT (*y, top_range); | |
12ba150f | 2997 | |
559cb2fb JB |
2998 | mouse_moved = 0; |
2999 | last_mouse_scroll_bar = Qnil; | |
3000 | } | |
12ba150f | 3001 | |
559cb2fb | 3002 | *time = last_mouse_movement_time; |
cf7cb199 | 3003 | |
cf7cb199 | 3004 | UNBLOCK_INPUT; |
12ba150f JB |
3005 | } |
3006 | ||
f451eb13 | 3007 | |
dbc4e1c1 | 3008 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
3009 | background colors, and the scroll bars may need to be redrawn. |
3010 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
3011 | redraw them. */ |
3012 | ||
ab648270 | 3013 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
3014 | FRAME_PTR f; |
3015 | { | |
3016 | Lisp_Object bar; | |
3017 | ||
9bc4522e | 3018 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); |
ab648270 | 3019 | bar = XSCROLL_BAR (bar)->next) |
334208b7 | 3020 | XClearArea (FRAME_X_DISPLAY (f), SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), |
dbc4e1c1 JB |
3021 | 0, 0, 0, 0, True); |
3022 | } | |
3023 | ||
3afe33e7 RS |
3024 | /* This processes Expose events from the menubar specific X event |
3025 | loop in menubar.c. This allows to redisplay the frame if necessary | |
3026 | when handling menubar or popup items. */ | |
3027 | ||
3028 | void | |
3029 | process_expose_from_menu (event) | |
3030 | XEvent event; | |
3031 | { | |
3032 | FRAME_PTR f; | |
3033 | ||
f94397b5 KH |
3034 | BLOCK_INPUT; |
3035 | ||
3afe33e7 RS |
3036 | f = x_window_to_frame (event.xexpose.window); |
3037 | if (f) | |
3038 | { | |
3039 | if (f->async_visible == 0) | |
3040 | { | |
3041 | f->async_visible = 1; | |
3042 | f->async_iconified = 0; | |
3043 | SET_FRAME_GARBAGED (f); | |
3044 | } | |
3045 | else | |
3046 | { | |
3047 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3048 | event.xexpose.x, event.xexpose.y, | |
3049 | event.xexpose.width, event.xexpose.height); | |
3050 | } | |
3051 | } | |
3052 | else | |
3053 | { | |
3054 | struct scroll_bar *bar | |
3055 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3056 | |
3afe33e7 RS |
3057 | if (bar) |
3058 | x_scroll_bar_expose (bar, &event); | |
3059 | } | |
f94397b5 KH |
3060 | |
3061 | UNBLOCK_INPUT; | |
3afe33e7 | 3062 | } |
09756a85 RS |
3063 | \f |
3064 | /* Define a queue to save up SelectionRequest events for later handling. */ | |
3065 | ||
3066 | struct selection_event_queue | |
3067 | { | |
3068 | XEvent event; | |
3069 | struct selection_event_queue *next; | |
3070 | }; | |
3071 | ||
3072 | static struct selection_event_queue *queue; | |
3073 | ||
3074 | /* Nonzero means queue up certain events--don't process them yet. */ | |
3075 | static int x_queue_selection_requests; | |
3076 | ||
3077 | /* Queue up an X event *EVENT, to be processed later. */ | |
dbc4e1c1 | 3078 | |
09756a85 | 3079 | static void |
334208b7 RS |
3080 | x_queue_event (f, event) |
3081 | FRAME_PTR f; | |
09756a85 RS |
3082 | XEvent *event; |
3083 | { | |
3084 | struct selection_event_queue *queue_tmp | |
3085 | = (struct selection_event_queue *) malloc (sizeof (struct selection_event_queue)); | |
3086 | ||
58769bee | 3087 | if (queue_tmp != NULL) |
09756a85 RS |
3088 | { |
3089 | queue_tmp->event = *event; | |
3090 | queue_tmp->next = queue; | |
3091 | queue = queue_tmp; | |
3092 | } | |
3093 | } | |
3094 | ||
3095 | /* Take all the queued events and put them back | |
3096 | so that they get processed afresh. */ | |
3097 | ||
3098 | static void | |
db3906fd RS |
3099 | x_unqueue_events (display) |
3100 | Display *display; | |
09756a85 | 3101 | { |
58769bee | 3102 | while (queue != NULL) |
09756a85 RS |
3103 | { |
3104 | struct selection_event_queue *queue_tmp = queue; | |
db3906fd | 3105 | XPutBackEvent (display, &queue_tmp->event); |
09756a85 RS |
3106 | queue = queue_tmp->next; |
3107 | free ((char *)queue_tmp); | |
3108 | } | |
3109 | } | |
3110 | ||
3111 | /* Start queuing SelectionRequest events. */ | |
3112 | ||
3113 | void | |
db3906fd RS |
3114 | x_start_queuing_selection_requests (display) |
3115 | Display *display; | |
09756a85 RS |
3116 | { |
3117 | x_queue_selection_requests++; | |
3118 | } | |
3119 | ||
3120 | /* Stop queuing SelectionRequest events. */ | |
3121 | ||
3122 | void | |
db3906fd RS |
3123 | x_stop_queuing_selection_requests (display) |
3124 | Display *display; | |
09756a85 RS |
3125 | { |
3126 | x_queue_selection_requests--; | |
db3906fd | 3127 | x_unqueue_events (display); |
09756a85 | 3128 | } |
f451eb13 JB |
3129 | \f |
3130 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3131 | |
dc6f92b8 JB |
3132 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3133 | but we have to put it out here, since static variables within functions | |
3134 | sometimes don't work. */ | |
3135 | static Time enter_timestamp; | |
3136 | ||
11edeb03 | 3137 | /* This holds the state XLookupString needs to implement dead keys |
58769bee | 3138 | and other tricks known as "compose processing". _X Window System_ |
11edeb03 JB |
3139 | says that a portable program can't use this, but Stephen Gildea assures |
3140 | me that letting the compiler initialize it to zeros will work okay. | |
3141 | ||
3142 | This must be defined outside of XTread_socket, for the same reasons | |
3143 | given for enter_timestamp, above. */ | |
3144 | static XComposeStatus compose_status; | |
3145 | ||
10e6549c RS |
3146 | /* Record the last 100 characters stored |
3147 | to help debug the loss-of-chars-during-GC problem. */ | |
3148 | int temp_index; | |
3149 | short temp_buffer[100]; | |
3150 | ||
7a13e894 RS |
3151 | /* Set this to nonzero to fake an "X I/O error" |
3152 | on a particular display. */ | |
3153 | struct x_display_info *XTread_socket_fake_io_error; | |
3154 | ||
dc6f92b8 JB |
3155 | /* Read events coming from the X server. |
3156 | This routine is called by the SIGIO handler. | |
3157 | We return as soon as there are no more events to be read. | |
3158 | ||
3159 | Events representing keys are stored in buffer BUFP, | |
3160 | which can hold up to NUMCHARS characters. | |
3161 | We return the number of characters stored into the buffer, | |
3162 | thus pretending to be `read'. | |
3163 | ||
3164 | WAITP is nonzero if we should block until input arrives. | |
3165 | EXPECTED is nonzero if the caller knows input is available. */ | |
3166 | ||
7c5283e4 | 3167 | int |
dc6f92b8 JB |
3168 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3169 | register int sd; | |
3170 | register struct input_event *bufp; | |
3171 | register int numchars; | |
3172 | int waitp; | |
3173 | int expected; | |
3174 | { | |
3175 | int count = 0; | |
3176 | int nbytes = 0; | |
3177 | int mask; | |
3178 | int items_pending; /* How many items are in the X queue. */ | |
3179 | XEvent event; | |
f676886a | 3180 | struct frame *f; |
66f55a9d | 3181 | int event_found = 0; |
dc6f92b8 JB |
3182 | int prefix; |
3183 | Lisp_Object part; | |
334208b7 | 3184 | struct x_display_info *dpyinfo; |
dc6f92b8 | 3185 | |
9ac0d9e0 | 3186 | if (interrupt_input_blocked) |
dc6f92b8 | 3187 | { |
9ac0d9e0 | 3188 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3189 | return -1; |
3190 | } | |
3191 | ||
9ac0d9e0 | 3192 | interrupt_input_pending = 0; |
dc6f92b8 | 3193 | BLOCK_INPUT; |
c0a04927 RS |
3194 | |
3195 | /* So people can tell when we have read the available input. */ | |
3196 | input_signal_count++; | |
3197 | ||
dc6f92b8 JB |
3198 | if (numchars <= 0) |
3199 | abort (); /* Don't think this happens. */ | |
3200 | ||
7a13e894 RS |
3201 | /* Find the display we are supposed to read input for. |
3202 | It's the one communicating on descriptor SD. */ | |
3203 | for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next) | |
3204 | { | |
3205 | #if 0 /* This ought to be unnecessary; let's verify it. */ | |
dc6f92b8 | 3206 | #ifdef FIOSNBIO |
7a13e894 RS |
3207 | /* If available, Xlib uses FIOSNBIO to make the socket |
3208 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3209 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3210 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
3211 | fcntl (dpyinfo->connection, F_SETFL, 0); | |
c118dd06 | 3212 | #endif /* ! defined (FIOSNBIO) */ |
7a13e894 | 3213 | #endif |
dc6f92b8 | 3214 | |
7a13e894 RS |
3215 | #if 0 /* This code can't be made to work, with multiple displays, |
3216 | and appears not to be used on any system any more. | |
3217 | Also keyboard.c doesn't turn O_NDELAY on and off | |
3218 | for X connections. */ | |
dc6f92b8 JB |
3219 | #ifndef SIGIO |
3220 | #ifndef HAVE_SELECT | |
7a13e894 RS |
3221 | if (! (fcntl (dpyinfo->connection, F_GETFL, 0) & O_NDELAY)) |
3222 | { | |
3223 | extern int read_alarm_should_throw; | |
3224 | read_alarm_should_throw = 1; | |
3225 | XPeekEvent (dpyinfo->display, &event); | |
3226 | read_alarm_should_throw = 0; | |
3227 | } | |
c118dd06 JB |
3228 | #endif /* HAVE_SELECT */ |
3229 | #endif /* SIGIO */ | |
7a13e894 | 3230 | #endif |
dc6f92b8 | 3231 | |
7a13e894 RS |
3232 | /* For debugging, this gives a way to fake an I/O error. */ |
3233 | if (dpyinfo == XTread_socket_fake_io_error) | |
3234 | { | |
3235 | XTread_socket_fake_io_error = 0; | |
3236 | x_io_error_quitter (dpyinfo->display); | |
3237 | } | |
dc6f92b8 | 3238 | |
7a13e894 | 3239 | while (XPending (dpyinfo->display) != 0) |
dc6f92b8 | 3240 | { |
7a13e894 RS |
3241 | XNextEvent (dpyinfo->display, &event); |
3242 | event_found = 1; | |
3243 | ||
3244 | switch (event.type) | |
3245 | { | |
3246 | case ClientMessage: | |
c047688c | 3247 | { |
7a13e894 RS |
3248 | if (event.xclient.message_type |
3249 | == dpyinfo->Xatom_wm_protocols | |
3250 | && event.xclient.format == 32) | |
c047688c | 3251 | { |
7a13e894 RS |
3252 | if (event.xclient.data.l[0] |
3253 | == dpyinfo->Xatom_wm_take_focus) | |
c047688c | 3254 | { |
7a13e894 RS |
3255 | f = x_window_to_frame (event.xclient.window); |
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. */ | |
3259 | if (f) | |
3260 | XSetInputFocus (event.xclient.display, | |
3261 | event.xclient.window, | |
3262 | RevertToPointerRoot, | |
3263 | event.xclient.data.l[1]); | |
3264 | /* Not certain about handling scroll bars here */ | |
c047688c | 3265 | } |
7a13e894 RS |
3266 | else if (event.xclient.data.l[0] |
3267 | == dpyinfo->Xatom_wm_save_yourself) | |
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 | { | |
3276 | f = x_top_window_to_frame (event.xclient.window); | |
3277 | ||
3278 | /* This is just so we only give real data once | |
3279 | for a single Emacs process. */ | |
3280 | if (f == selected_frame) | |
3281 | XSetCommand (FRAME_X_DISPLAY (f), | |
3282 | event.xclient.window, | |
3283 | initial_argv, initial_argc); | |
3284 | else | |
3285 | XSetCommand (FRAME_X_DISPLAY (f), | |
3286 | event.xclient.window, | |
3287 | 0, 0); | |
3288 | } | |
3289 | } | |
3290 | else if (event.xclient.data.l[0] | |
3291 | == dpyinfo->Xatom_wm_delete_window) | |
1fb20991 | 3292 | { |
7a13e894 | 3293 | struct frame *f = x_any_window_to_frame (event.xclient.window); |
1fb20991 | 3294 | |
7a13e894 RS |
3295 | if (f) |
3296 | { | |
3297 | if (numchars == 0) | |
3298 | abort (); | |
1fb20991 | 3299 | |
7a13e894 RS |
3300 | bufp->kind = delete_window_event; |
3301 | XSETFRAME (bufp->frame_or_window, f); | |
3302 | bufp++; | |
3303 | ||
3304 | count += 1; | |
3305 | numchars -= 1; | |
3306 | } | |
1fb20991 | 3307 | } |
c047688c | 3308 | } |
7a13e894 RS |
3309 | else if (event.xclient.message_type |
3310 | == dpyinfo->Xatom_wm_configure_denied) | |
3311 | { | |
3312 | } | |
3313 | else if (event.xclient.message_type | |
3314 | == dpyinfo->Xatom_wm_window_moved) | |
3315 | { | |
3316 | int new_x, new_y; | |
3317 | struct frame *f = x_window_to_frame (event.xclient.window); | |
58769bee | 3318 | |
7a13e894 RS |
3319 | new_x = event.xclient.data.s[0]; |
3320 | new_y = event.xclient.data.s[1]; | |
1fb20991 | 3321 | |
7a13e894 RS |
3322 | if (f) |
3323 | { | |
3324 | f->display.x->left_pos = new_x; | |
3325 | f->display.x->top_pos = new_y; | |
3326 | } | |
1fb20991 | 3327 | } |
5627c40e | 3328 | #if defined (USE_X_TOOLKIT) && defined (HAVE_X11R5) |
7a13e894 RS |
3329 | else if (event.xclient.message_type |
3330 | == dpyinfo->Xatom_editres) | |
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 */ |
7a13e894 RS |
3336 | } |
3337 | break; | |
dc6f92b8 | 3338 | |
7a13e894 | 3339 | case SelectionNotify: |
3afe33e7 | 3340 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3341 | if (! x_window_to_frame (event.xselection.requestor)) |
3342 | goto OTHER; | |
3afe33e7 | 3343 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3344 | x_handle_selection_notify (&event); |
3345 | break; | |
d56a553a | 3346 | |
7a13e894 | 3347 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3348 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3349 | if (! x_window_to_frame (event.xselectionclear.window)) |
3350 | goto OTHER; | |
3afe33e7 | 3351 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3352 | { |
3353 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; | |
d56a553a | 3354 | |
7a13e894 RS |
3355 | if (numchars == 0) |
3356 | abort (); | |
d56a553a | 3357 | |
7a13e894 RS |
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++; | |
d56a553a | 3363 | |
7a13e894 RS |
3364 | count += 1; |
3365 | numchars -= 1; | |
3366 | } | |
3367 | break; | |
dc6f92b8 | 3368 | |
7a13e894 | 3369 | case SelectionRequest: /* Someone wants our selection. */ |
3afe33e7 | 3370 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3371 | if (!x_window_to_frame (event.xselectionrequest.owner)) |
3372 | goto OTHER; | |
3afe33e7 | 3373 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3374 | if (x_queue_selection_requests) |
3375 | x_queue_event (x_window_to_frame (event.xselectionrequest.owner), | |
3376 | &event); | |
3377 | else | |
3378 | { | |
3379 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; | |
dc6f92b8 | 3380 | |
7a13e894 RS |
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 | } | |
3396 | break; | |
3397 | ||
3398 | case PropertyNotify: | |
3afe33e7 | 3399 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3400 | if (!x_any_window_to_frame (event.xproperty.window)) |
3401 | goto OTHER; | |
3afe33e7 | 3402 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 RS |
3403 | x_handle_property_notify (&event); |
3404 | break; | |
dc6f92b8 | 3405 | |
7a13e894 RS |
3406 | case ReparentNotify: |
3407 | f = x_top_window_to_frame (event.xreparent.window); | |
3408 | if (f) | |
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 | } | |
3416 | break; | |
3bd330d4 | 3417 | |
7a13e894 RS |
3418 | case Expose: |
3419 | f = x_window_to_frame (event.xexpose.window); | |
3420 | if (f) | |
dc6f92b8 | 3421 | { |
7a13e894 RS |
3422 | if (f->async_visible == 0) |
3423 | { | |
3424 | f->async_visible = 1; | |
3425 | f->async_iconified = 0; | |
3426 | SET_FRAME_GARBAGED (f); | |
3427 | } | |
3428 | else | |
3429 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3430 | event.xexpose.x, event.xexpose.y, | |
3431 | event.xexpose.width, event.xexpose.height); | |
dc6f92b8 JB |
3432 | } |
3433 | else | |
7a13e894 RS |
3434 | { |
3435 | struct scroll_bar *bar | |
3436 | = x_window_to_scroll_bar (event.xexpose.window); | |
58769bee | 3437 | |
7a13e894 RS |
3438 | if (bar) |
3439 | x_scroll_bar_expose (bar, &event); | |
3afe33e7 | 3440 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3441 | else |
3442 | goto OTHER; | |
3afe33e7 | 3443 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3444 | } |
3445 | break; | |
dc6f92b8 | 3446 | |
7a13e894 RS |
3447 | case GraphicsExpose: /* This occurs when an XCopyArea's |
3448 | source area was obscured or not | |
3449 | available.*/ | |
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); | |
3457 | } | |
3afe33e7 | 3458 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3459 | else |
3460 | goto OTHER; | |
3afe33e7 | 3461 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3462 | break; |
dc6f92b8 | 3463 | |
7a13e894 RS |
3464 | case NoExpose: /* This occurs when an XCopyArea's |
3465 | source area was completely | |
3466 | available */ | |
3467 | break; | |
dc6f92b8 | 3468 | |
7a13e894 RS |
3469 | case UnmapNotify: |
3470 | f = x_any_window_to_frame (event.xunmap.window); | |
3471 | if (f) /* F may no longer exist if | |
3472 | the frame was deleted. */ | |
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; | |
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. */ | |
3482 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) | |
3483 | f->async_iconified = 1; | |
bddd097c KH |
3484 | |
3485 | bufp->kind = iconify_event; | |
3486 | XSETFRAME (bufp->frame_or_window, f); | |
3487 | bufp++; | |
3488 | count++; | |
3489 | numchars--; | |
7a13e894 | 3490 | } |
3afe33e7 | 3491 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3492 | goto OTHER; |
3afe33e7 | 3493 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3494 | break; |
dc6f92b8 | 3495 | |
7a13e894 RS |
3496 | case MapNotify: |
3497 | /* We use x_top_window_to_frame because map events can come | |
3498 | for subwindows and they don't mean that the frame is visible. */ | |
3499 | f = x_top_window_to_frame (event.xmap.window); | |
3500 | if (f) | |
3501 | { | |
3502 | f->async_visible = 1; | |
3503 | f->async_iconified = 0; | |
dc6f92b8 | 3504 | |
7a13e894 RS |
3505 | /* wait_reading_process_input will notice this and update |
3506 | the frame's display structures. */ | |
3507 | SET_FRAME_GARBAGED (f); | |
bddd097c KH |
3508 | |
3509 | bufp->kind = deiconify_event; | |
3510 | XSETFRAME (bufp->frame_or_window, f); | |
3511 | bufp++; | |
3512 | count++; | |
3513 | numchars--; | |
7a13e894 | 3514 | } |
3afe33e7 | 3515 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3516 | goto OTHER; |
3afe33e7 | 3517 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3518 | break; |
dc6f92b8 | 3519 | |
7a13e894 RS |
3520 | /* Turn off processing if we become fully obscured. */ |
3521 | case VisibilityNotify: | |
3522 | break; | |
dc6f92b8 | 3523 | |
7a13e894 RS |
3524 | case KeyPress: |
3525 | f = x_any_window_to_frame (event.xkey.window); | |
f451eb13 | 3526 | |
7a13e894 RS |
3527 | if (f != 0) |
3528 | { | |
3529 | KeySym keysym, orig_keysym; | |
3530 | /* al%imercury@uunet.uu.net says that making this 81 instead of | |
3531 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3532 | unsigned char copy_buffer[81]; | |
3533 | int modifiers; | |
64bb1782 | 3534 | |
7a13e894 RS |
3535 | event.xkey.state |
3536 | |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3537 | extra_keyboard_modifiers); | |
3538 | modifiers = event.xkey.state; | |
3a2712f9 | 3539 | |
7a13e894 | 3540 | /* This will have to go some day... */ |
752a043f | 3541 | |
7a13e894 RS |
3542 | /* make_lispy_event turns chars into control chars. |
3543 | Don't do it here because XLookupString is too eager. */ | |
3544 | event.xkey.state &= ~ControlMask; | |
0299d313 RS |
3545 | nbytes = XLookupString (&event.xkey, copy_buffer, |
3546 | 80, &keysym, &compose_status); | |
dc6f92b8 | 3547 | |
7a13e894 | 3548 | orig_keysym = keysym; |
55123275 | 3549 | |
7a13e894 RS |
3550 | if (numchars > 1) |
3551 | { | |
3552 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) | |
3553 | || keysym == XK_Delete | |
3554 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3555 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3556 | #ifdef HPUX |
7a13e894 RS |
3557 | /* This recognizes the "extended function keys". |
3558 | It seems there's no cleaner way. | |
3559 | Test IsModifierKey to avoid handling mode_switch | |
3560 | incorrectly. */ | |
3561 | || ((unsigned) (keysym) >= XK_Select | |
3562 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3563 | #endif |
3564 | #ifdef XK_dead_circumflex | |
7a13e894 | 3565 | || orig_keysym == XK_dead_circumflex |
69388238 RS |
3566 | #endif |
3567 | #ifdef XK_dead_grave | |
7a13e894 | 3568 | || orig_keysym == XK_dead_grave |
69388238 RS |
3569 | #endif |
3570 | #ifdef XK_dead_tilde | |
7a13e894 | 3571 | || orig_keysym == XK_dead_tilde |
69388238 RS |
3572 | #endif |
3573 | #ifdef XK_dead_diaeresis | |
7a13e894 | 3574 | || orig_keysym == XK_dead_diaeresis |
69388238 RS |
3575 | #endif |
3576 | #ifdef XK_dead_macron | |
7a13e894 | 3577 | || orig_keysym == XK_dead_macron |
69388238 RS |
3578 | #endif |
3579 | #ifdef XK_dead_degree | |
7a13e894 | 3580 | || orig_keysym == XK_dead_degree |
69388238 RS |
3581 | #endif |
3582 | #ifdef XK_dead_acute | |
7a13e894 | 3583 | || orig_keysym == XK_dead_acute |
69388238 RS |
3584 | #endif |
3585 | #ifdef XK_dead_cedilla | |
7a13e894 | 3586 | || orig_keysym == XK_dead_cedilla |
69388238 RS |
3587 | #endif |
3588 | #ifdef XK_dead_breve | |
7a13e894 | 3589 | || orig_keysym == XK_dead_breve |
69388238 RS |
3590 | #endif |
3591 | #ifdef XK_dead_ogonek | |
7a13e894 | 3592 | || orig_keysym == XK_dead_ogonek |
69388238 RS |
3593 | #endif |
3594 | #ifdef XK_dead_caron | |
7a13e894 | 3595 | || orig_keysym == XK_dead_caron |
69388238 RS |
3596 | #endif |
3597 | #ifdef XK_dead_doubleacute | |
7a13e894 | 3598 | || orig_keysym == XK_dead_doubleacute |
69388238 RS |
3599 | #endif |
3600 | #ifdef XK_dead_abovedot | |
7a13e894 | 3601 | || orig_keysym == XK_dead_abovedot |
c34790e0 | 3602 | #endif |
7a13e894 RS |
3603 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3604 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
3605 | /* Any "vendor-specific" key is ok. */ | |
3606 | || (orig_keysym & (1 << 28))) | |
3607 | && ! (IsModifierKey (orig_keysym) | |
7719aa06 RS |
3608 | #ifndef HAVE_X11R5 |
3609 | #ifdef XK_Mode_switch | |
7a13e894 | 3610 | || ((unsigned)(orig_keysym) == XK_Mode_switch) |
7719aa06 RS |
3611 | #endif |
3612 | #ifdef XK_Num_Lock | |
7a13e894 | 3613 | || ((unsigned)(orig_keysym) == XK_Num_Lock) |
7719aa06 RS |
3614 | #endif |
3615 | #endif /* not HAVE_X11R5 */ | |
7a13e894 | 3616 | )) |
dc6f92b8 | 3617 | { |
10e6549c RS |
3618 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3619 | temp_index = 0; | |
7a13e894 RS |
3620 | temp_buffer[temp_index++] = keysym; |
3621 | bufp->kind = non_ascii_keystroke; | |
3622 | bufp->code = keysym; | |
e0c1aef2 | 3623 | XSETFRAME (bufp->frame_or_window, f); |
334208b7 RS |
3624 | bufp->modifiers |
3625 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3626 | modifiers); | |
1113d9db | 3627 | bufp->timestamp = event.xkey.time; |
dc6f92b8 | 3628 | bufp++; |
7a13e894 RS |
3629 | count++; |
3630 | numchars--; | |
dc6f92b8 | 3631 | } |
7a13e894 RS |
3632 | else if (numchars > nbytes) |
3633 | { | |
3634 | register int i; | |
3635 | ||
3636 | for (i = 0; i < nbytes; i++) | |
3637 | { | |
3638 | if (temp_index == sizeof temp_buffer / sizeof (short)) | |
3639 | temp_index = 0; | |
3640 | temp_buffer[temp_index++] = copy_buffer[i]; | |
3641 | bufp->kind = ascii_keystroke; | |
3642 | bufp->code = copy_buffer[i]; | |
3643 | XSETFRAME (bufp->frame_or_window, f); | |
3644 | bufp->modifiers | |
3645 | = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f), | |
3646 | modifiers); | |
3647 | bufp->timestamp = event.xkey.time; | |
3648 | bufp++; | |
3649 | } | |
3650 | ||
3651 | count += nbytes; | |
3652 | numchars -= nbytes; | |
3653 | } | |
3654 | else | |
3655 | abort (); | |
dc6f92b8 | 3656 | } |
10e6549c RS |
3657 | else |
3658 | abort (); | |
dc6f92b8 | 3659 | } |
7a13e894 | 3660 | break; |
f451eb13 | 3661 | |
7a13e894 RS |
3662 | /* Here's a possible interpretation of the whole |
3663 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3664 | FocusIn event, you have to get a FocusOut event before you | |
3665 | relinquish the focus. If you haven't received a FocusIn event, | |
3666 | then a mere LeaveNotify is enough to free you. */ | |
f451eb13 | 3667 | |
7a13e894 RS |
3668 | case EnterNotify: |
3669 | f = x_any_window_to_frame (event.xcrossing.window); | |
6d4238f3 | 3670 | |
7a13e894 | 3671 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3672 | { |
7a13e894 RS |
3673 | /* Avoid nasty pop/raise loops. */ |
3674 | if (f && (!(f->auto_raise) | |
3675 | || !(f->auto_lower) | |
3676 | || (event.xcrossing.time - enter_timestamp) > 500)) | |
3677 | { | |
3678 | x_new_focus_frame (f); | |
3679 | enter_timestamp = event.xcrossing.time; | |
3680 | } | |
dc6f92b8 | 3681 | } |
7a13e894 RS |
3682 | else if (f == x_focus_frame) |
3683 | x_new_focus_frame (0); | |
3684 | /* EnterNotify counts as mouse movement, | |
3685 | so update things that depend on mouse position. */ | |
3686 | if (f) | |
3687 | note_mouse_movement (f, &event.xmotion); | |
3afe33e7 | 3688 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3689 | goto OTHER; |
3afe33e7 | 3690 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3691 | break; |
dc6f92b8 | 3692 | |
7a13e894 RS |
3693 | case FocusIn: |
3694 | f = x_any_window_to_frame (event.xfocus.window); | |
3695 | if (event.xfocus.detail != NotifyPointer) | |
3696 | x_focus_event_frame = f; | |
3697 | if (f) | |
3698 | x_new_focus_frame (f); | |
3afe33e7 | 3699 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3700 | goto OTHER; |
3afe33e7 | 3701 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3702 | break; |
f451eb13 | 3703 | |
10c5e63d | 3704 | |
7a13e894 RS |
3705 | case LeaveNotify: |
3706 | f = x_top_window_to_frame (event.xcrossing.window); | |
3707 | if (f) | |
10c5e63d | 3708 | { |
7a13e894 RS |
3709 | if (f == dpyinfo->mouse_face_mouse_frame) |
3710 | /* If we move outside the frame, | |
3711 | then we're certainly no longer on any text in the frame. */ | |
3712 | clear_mouse_face (dpyinfo); | |
3713 | ||
3714 | if (event.xcrossing.focus) | |
37c2c98b | 3715 | x_mouse_leave (); |
10c5e63d | 3716 | else |
7a13e894 RS |
3717 | { |
3718 | if (f == x_focus_event_frame) | |
3719 | x_focus_event_frame = 0; | |
3720 | if (f == x_focus_frame) | |
3721 | x_new_focus_frame (0); | |
3722 | } | |
10c5e63d | 3723 | } |
3afe33e7 | 3724 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3725 | goto OTHER; |
3afe33e7 | 3726 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3727 | break; |
dc6f92b8 | 3728 | |
7a13e894 RS |
3729 | case FocusOut: |
3730 | f = x_any_window_to_frame (event.xfocus.window); | |
3731 | if (event.xfocus.detail != NotifyPointer | |
3732 | && f == x_focus_event_frame) | |
3733 | x_focus_event_frame = 0; | |
3734 | if (f && f == x_focus_frame) | |
3735 | x_new_focus_frame (0); | |
3afe33e7 | 3736 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3737 | goto OTHER; |
3afe33e7 | 3738 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3739 | break; |
dc6f92b8 | 3740 | |
7a13e894 | 3741 | case MotionNotify: |
dc6f92b8 | 3742 | { |
7a13e894 RS |
3743 | if (dpyinfo->grabbed && last_mouse_frame |
3744 | && FRAME_LIVE_P (last_mouse_frame)) | |
3745 | f = last_mouse_frame; | |
3746 | else | |
3747 | f = x_window_to_frame (event.xmotion.window); | |
3748 | if (f) | |
3749 | note_mouse_movement (f, &event.xmotion); | |
3750 | else | |
3751 | { | |
3752 | struct scroll_bar *bar | |
3753 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 | 3754 | |
7a13e894 RS |
3755 | if (bar) |
3756 | x_scroll_bar_note_movement (bar, &event); | |
b8009dd1 | 3757 | |
7a13e894 RS |
3758 | /* If we move outside the frame, |
3759 | then we're certainly no longer on any text in the frame. */ | |
3760 | clear_mouse_face (dpyinfo); | |
3761 | } | |
dc6f92b8 | 3762 | } |
0a178815 | 3763 | #if 0 /* This should be unnecessary, since the toolkit has no use |
7a13e894 RS |
3764 | for motion events that happen outside of the menu event loop, |
3765 | and it seems to cause the bug that mouse events stop coming | |
3766 | after a while. */ | |
3afe33e7 | 3767 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3768 | goto OTHER; |
3afe33e7 | 3769 | #endif /* USE_X_TOOLKIT */ |
0a178815 | 3770 | #endif |
7a13e894 | 3771 | break; |
dc6f92b8 | 3772 | |
7a13e894 RS |
3773 | case ConfigureNotify: |
3774 | f = x_any_window_to_frame (event.xconfigure.window); | |
3afe33e7 | 3775 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3776 | if (f |
3a35ab44 | 3777 | #if 0 |
7a13e894 | 3778 | && ! event.xconfigure.send_event |
3a35ab44 | 3779 | #endif |
7a13e894 | 3780 | && (event.xconfigure.window == XtWindow (f->display.x->widget))) |
af395ec1 RS |
3781 | { |
3782 | Window win, child; | |
3783 | int win_x, win_y; | |
3784 | ||
6cc35d86 JB |
3785 | /* Find the position of the outside upper-left corner of |
3786 | the window, in the root coordinate system. Don't | |
3787 | refer to the parent window here; we may be processing | |
3788 | this event after the window manager has changed our | |
3789 | parent, but before we have reached the ReparentNotify. */ | |
334208b7 | 3790 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
58769bee | 3791 | |
af395ec1 | 3792 | /* From-window, to-window. */ |
7a13e894 | 3793 | XtWindow (f->display.x->widget), |
334208b7 | 3794 | FRAME_X_DISPLAY_INFO (f)->root_window, |
af395ec1 RS |
3795 | |
3796 | /* From-position, to-position. */ | |
6cc35d86 JB |
3797 | -event.xconfigure.border_width, |
3798 | -event.xconfigure.border_width, | |
af395ec1 RS |
3799 | &win_x, &win_y, |
3800 | ||
3801 | /* Child of win. */ | |
3802 | &child); | |
3803 | event.xconfigure.x = win_x; | |
3804 | event.xconfigure.y = win_y; | |
7a13e894 RS |
3805 | |
3806 | f->display.x->pixel_width = event.xconfigure.width; | |
3807 | f->display.x->pixel_height = event.xconfigure.height; | |
3808 | f->display.x->left_pos = event.xconfigure.x; | |
3809 | f->display.x->top_pos = event.xconfigure.y; | |
3810 | ||
3811 | /* What we have now is the position of Emacs's own window. | |
3812 | Convert that to the position of the window manager window. */ | |
3813 | { | |
3814 | int x, y; | |
3815 | x_real_positions (f, &x, &y); | |
3816 | f->display.x->left_pos = x; | |
3817 | f->display.x->top_pos = y; | |
3818 | } | |
af395ec1 | 3819 | } |
7a13e894 RS |
3820 | goto OTHER; |
3821 | #else /* not USE_X_TOOLKIT */ | |
3822 | if (f) | |
3823 | { | |
3824 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3825 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3826 | ||
3827 | /* Even if the number of character rows and columns has | |
3828 | not changed, the font size may have changed, so we need | |
3829 | to check the pixel dimensions as well. */ | |
3830 | if (columns != f->width | |
3831 | || rows != f->height | |
3832 | || event.xconfigure.width != f->display.x->pixel_width | |
3833 | || event.xconfigure.height != f->display.x->pixel_height) | |
3834 | { | |
3835 | change_frame_size (f, rows, columns, 0, 1); | |
3836 | SET_FRAME_GARBAGED (f); | |
3837 | } | |
af395ec1 | 3838 | |
7a13e894 RS |
3839 | if (! event.xconfigure.send_event) |
3840 | { | |
3841 | Window win, child; | |
3842 | int win_x, win_y; | |
3843 | ||
3844 | /* Find the position of the outside upper-left corner of | |
3845 | the window, in the root coordinate system. Don't | |
3846 | refer to the parent window here; we may be processing | |
3847 | this event after the window manager has changed our | |
3848 | parent, but before we have reached the ReparentNotify. */ | |
3849 | XTranslateCoordinates (FRAME_X_DISPLAY (f), | |
3850 | ||
3851 | /* From-window, to-window. */ | |
3852 | f->display.x->window_desc, | |
3853 | FRAME_X_DISPLAY_INFO (f)->root_window, | |
3854 | ||
3855 | /* From-position, to-position. */ | |
3856 | -event.xconfigure.border_width, | |
3857 | -event.xconfigure.border_width, | |
3858 | &win_x, &win_y, | |
3859 | ||
3860 | /* Child of win. */ | |
3861 | &child); | |
3862 | event.xconfigure.x = win_x; | |
3863 | event.xconfigure.y = win_y; | |
3864 | } | |
3a35ab44 | 3865 | |
7a13e894 RS |
3866 | f->display.x->pixel_width = event.xconfigure.width; |
3867 | f->display.x->pixel_height = event.xconfigure.height; | |
3868 | f->display.x->left_pos = event.xconfigure.x; | |
3869 | f->display.x->top_pos = event.xconfigure.y; | |
3870 | ||
3871 | /* What we have now is the position of Emacs's own window. | |
3872 | Convert that to the position of the window manager window. */ | |
fd13dbb2 | 3873 | { |
7a13e894 RS |
3874 | int x, y; |
3875 | x_real_positions (f, &x, &y); | |
3876 | f->display.x->left_pos = x; | |
3877 | f->display.x->top_pos = y; | |
3878 | if (y != event.xconfigure.y) | |
3879 | { | |
3880 | /* Since the WM decorations come below top_pos now, | |
3881 | we must put them below top_pos in the future. */ | |
3882 | f->display.x->win_gravity = NorthWestGravity; | |
3883 | x_wm_set_size_hint (f, 0, 0); | |
3884 | } | |
fd13dbb2 | 3885 | } |
7a13e894 | 3886 | } |
3afe33e7 | 3887 | #endif /* not USE_X_TOOLKIT */ |
7a13e894 | 3888 | break; |
dc6f92b8 | 3889 | |
7a13e894 RS |
3890 | case ButtonPress: |
3891 | case ButtonRelease: | |
3892 | { | |
3893 | /* If we decide we want to generate an event to be seen | |
3894 | by the rest of Emacs, we put it here. */ | |
3895 | struct input_event emacs_event; | |
3896 | emacs_event.kind = no_event; | |
dc6f92b8 | 3897 | |
7a13e894 | 3898 | bzero (&compose_status, sizeof (compose_status)); |
9b07615b | 3899 | |
9f67f20b RS |
3900 | if (dpyinfo->grabbed && last_mouse_frame |
3901 | && FRAME_LIVE_P (last_mouse_frame)) | |
3902 | f = last_mouse_frame; | |
3903 | else | |
3904 | f = x_window_to_frame (event.xmotion.window); | |
3905 | ||
7a13e894 RS |
3906 | if (f) |
3907 | { | |
3908 | if (!x_focus_frame || (f == x_focus_frame)) | |
3909 | construct_mouse_click (&emacs_event, &event, f); | |
3910 | } | |
3911 | else | |
3912 | { | |
3913 | struct scroll_bar *bar | |
3914 | = x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 | 3915 | |
7a13e894 RS |
3916 | if (bar) |
3917 | x_scroll_bar_handle_click (bar, &event, &emacs_event); | |
3afe33e7 | 3918 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3919 | else |
3920 | { | |
3921 | /* Assume we have a menubar button press. A bad | |
3922 | assumption should behave benignly. */ | |
3923 | popup_get_selection (&event); | |
3924 | break; | |
3925 | } | |
3926 | #endif /* USE_X_TOOLKIT */ | |
3927 | } | |
3928 | ||
3929 | if (event.type == ButtonPress) | |
3930 | { | |
3931 | dpyinfo->grabbed |= (1 << event.xbutton.button); | |
3932 | last_mouse_frame = f; | |
3933 | } | |
3afe33e7 RS |
3934 | else |
3935 | { | |
7a13e894 | 3936 | dpyinfo->grabbed &= ~(1 << event.xbutton.button); |
3afe33e7 | 3937 | } |
23faf38f | 3938 | |
7a13e894 RS |
3939 | if (numchars >= 1 && emacs_event.kind != no_event) |
3940 | { | |
3941 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3942 | bufp++; | |
3943 | count++; | |
3944 | numchars--; | |
3945 | } | |
3afe33e7 RS |
3946 | |
3947 | #ifdef USE_X_TOOLKIT | |
7a13e894 | 3948 | goto OTHER; |
3afe33e7 | 3949 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3950 | } |
3951 | break; | |
dc6f92b8 | 3952 | |
7a13e894 RS |
3953 | case CirculateNotify: |
3954 | break; | |
3955 | case CirculateRequest: | |
3956 | break; | |
dc6f92b8 | 3957 | |
7a13e894 RS |
3958 | case MappingNotify: |
3959 | /* Someone has changed the keyboard mapping - update the | |
3960 | local cache. */ | |
3961 | switch (event.xmapping.request) | |
3962 | { | |
3963 | case MappingModifier: | |
3964 | x_find_modifier_meanings (dpyinfo); | |
3965 | /* This is meant to fall through. */ | |
3966 | case MappingKeyboard: | |
3967 | XRefreshKeyboardMapping (&event.xmapping); | |
3968 | } | |
3afe33e7 | 3969 | #ifdef USE_X_TOOLKIT |
7a13e894 | 3970 | goto OTHER; |
3afe33e7 | 3971 | #endif /* USE_X_TOOLKIT */ |
7a13e894 | 3972 | break; |
dc6f92b8 | 3973 | |
7a13e894 | 3974 | default: |
3afe33e7 | 3975 | #ifdef USE_X_TOOLKIT |
7a13e894 RS |
3976 | OTHER: |
3977 | BLOCK_INPUT; | |
3978 | XtDispatchEvent (&event); | |
3979 | UNBLOCK_INPUT; | |
3afe33e7 | 3980 | #endif /* USE_X_TOOLKIT */ |
7a13e894 RS |
3981 | break; |
3982 | } | |
dc6f92b8 JB |
3983 | } |
3984 | } | |
3985 | ||
9a5196d0 RS |
3986 | /* On some systems, an X bug causes Emacs to get no more events |
3987 | when the window is destroyed. Detect that. (1994.) */ | |
58769bee | 3988 | if (! event_found) |
ef2a22d0 | 3989 | { |
ef2a22d0 RS |
3990 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. |
3991 | One XNOOP in 100 loops will make Emacs terminate. | |
3992 | B. Bretthauer, 1994 */ | |
3993 | x_noop_count++; | |
58769bee | 3994 | if (x_noop_count >= 100) |
ef2a22d0 RS |
3995 | { |
3996 | x_noop_count=0; | |
7a13e894 RS |
3997 | /* Use the first display in the list. Why not? */ |
3998 | XNoOp (x_display_list->display); | |
ef2a22d0 RS |
3999 | } |
4000 | } | |
502add23 | 4001 | |
0134a210 RS |
4002 | /* If the focus was just given to an autoraising frame, |
4003 | raise it now. */ | |
7a13e894 | 4004 | /* ??? This ought to be able to handle more than one such frame. */ |
0134a210 RS |
4005 | if (pending_autoraise_frame) |
4006 | { | |
4007 | x_raise_frame (pending_autoraise_frame); | |
4008 | pending_autoraise_frame = 0; | |
4009 | } | |
0134a210 | 4010 | |
dc6f92b8 JB |
4011 | UNBLOCK_INPUT; |
4012 | return count; | |
4013 | } | |
dc6f92b8 | 4014 | \f |
f451eb13 JB |
4015 | /* Drawing the cursor. */ |
4016 | ||
4017 | ||
dc6f92b8 JB |
4018 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
4019 | ||
4020 | static void | |
f676886a JB |
4021 | x_draw_box (f) |
4022 | struct frame *f; | |
dc6f92b8 | 4023 | { |
2a6cf806 RS |
4024 | int left = CHAR_TO_PIXEL_COL (f, curs_x); |
4025 | int top = CHAR_TO_PIXEL_ROW (f, curs_y); | |
f676886a | 4026 | int width = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 4027 | int height = f->display.x->line_height; |
dc6f92b8 | 4028 | |
334208b7 | 4029 | XDrawRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4030 | f->display.x->cursor_gc, |
dc6f92b8 | 4031 | left, top, width - 1, height - 1); |
dc6f92b8 JB |
4032 | } |
4033 | ||
f676886a | 4034 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4035 | and mark the cursor as not shown. |
4036 | This is used when the text where the cursor is | |
4037 | is about to be rewritten. */ | |
4038 | ||
4039 | static void | |
f676886a JB |
4040 | clear_cursor (f) |
4041 | struct frame *f; | |
dc6f92b8 JB |
4042 | { |
4043 | int mask; | |
4044 | ||
f451eb13 | 4045 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4046 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4047 | return; |
4048 | ||
f676886a | 4049 | x_display_cursor (f, 0); |
f676886a | 4050 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4051 | } |
4052 | ||
f676886a | 4053 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4054 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4055 | glyph drawn. */ | |
dc6f92b8 JB |
4056 | |
4057 | static void | |
f676886a JB |
4058 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4059 | struct frame *f; | |
dc6f92b8 | 4060 | int row, column; |
90e65f07 | 4061 | GLYPH glyph; |
dc6f92b8 JB |
4062 | int highlight; |
4063 | { | |
f676886a | 4064 | dumpglyphs (f, |
12ba150f JB |
4065 | CHAR_TO_PIXEL_COL (f, column), |
4066 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4067 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4068 | } |
4069 | ||
dc6f92b8 | 4070 | static void |
dbc4e1c1 | 4071 | x_display_bar_cursor (f, on) |
f676886a | 4072 | struct frame *f; |
dc6f92b8 JB |
4073 | int on; |
4074 | { | |
f676886a | 4075 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4076 | |
49d838ea JB |
4077 | /* This is pointless on invisible frames, and dangerous on garbaged |
4078 | frames; in the latter case, the frame may be in the midst of | |
4079 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4080 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
4081 | return; |
4082 | ||
4083 | if (! on && f->phys_cursor_x < 0) | |
4084 | return; | |
4085 | ||
f676886a | 4086 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 4087 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 4088 | if (f != updating_frame) |
1113d9db | 4089 | { |
f676886a JB |
4090 | curs_x = FRAME_CURSOR_X (f); |
4091 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
4092 | } |
4093 | ||
dbc4e1c1 JB |
4094 | /* If there is anything wrong with the current cursor state, remove it. */ |
4095 | if (f->phys_cursor_x >= 0 | |
4096 | && (!on | |
4097 | || f->phys_cursor_x != curs_x | |
4098 | || f->phys_cursor_y != curs_y | |
4099 | || f->display.x->current_cursor != bar_cursor)) | |
4100 | { | |
4101 | /* Erase the cursor by redrawing the character underneath it. */ | |
4102 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4103 | f->phys_cursor_glyph, | |
4104 | current_glyphs->highlight[f->phys_cursor_y]); | |
4105 | f->phys_cursor_x = -1; | |
4106 | } | |
4107 | ||
4108 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4109 | if (on | |
4110 | && (f->phys_cursor_x < 0 | |
4111 | || (f->display.x->current_cursor != bar_cursor))) | |
4112 | { | |
4113 | f->phys_cursor_glyph | |
4114 | = ((current_glyphs->enable[curs_y] | |
4115 | && curs_x < current_glyphs->used[curs_y]) | |
4116 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4117 | : SPACEGLYPH); | |
334208b7 | 4118 | XFillRectangle (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dbc4e1c1 JB |
4119 | f->display.x->cursor_gc, |
4120 | CHAR_TO_PIXEL_COL (f, curs_x), | |
4121 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
92e2441b RS |
4122 | max (f->display.x->cursor_width, 1), |
4123 | f->display.x->line_height); | |
dbc4e1c1 JB |
4124 | |
4125 | f->phys_cursor_x = curs_x; | |
4126 | f->phys_cursor_y = curs_y; | |
4127 | ||
4128 | f->display.x->current_cursor = bar_cursor; | |
4129 | } | |
4130 | ||
4131 | if (updating_frame != f) | |
334208b7 | 4132 | XFlush (FRAME_X_DISPLAY (f)); |
dbc4e1c1 JB |
4133 | } |
4134 | ||
4135 | ||
4136 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4137 | If ON is nonzero, where to put the cursor is specified | |
4138 | by F->cursor_x and F->cursor_y. */ | |
4139 | ||
4140 | static void | |
4141 | x_display_box_cursor (f, on) | |
4142 | struct frame *f; | |
4143 | int on; | |
4144 | { | |
4145 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4146 | ||
49d838ea JB |
4147 | /* This is pointless on invisible frames, and dangerous on garbaged |
4148 | frames; in the latter case, the frame may be in the midst of | |
4149 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4150 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
4151 | return; |
4152 | ||
4153 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4154 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4155 | return; |
4156 | ||
dbc4e1c1 JB |
4157 | /* If we're not updating, then we want to use the current frame's |
4158 | cursor position, not our local idea of where the cursor ought to be. */ | |
4159 | if (f != updating_frame) | |
4160 | { | |
4161 | curs_x = FRAME_CURSOR_X (f); | |
4162 | curs_y = FRAME_CURSOR_Y (f); | |
4163 | } | |
4164 | ||
dc6f92b8 JB |
4165 | /* If cursor is currently being shown and we don't want it to be |
4166 | or it is in the wrong place, | |
4167 | or we want a hollow box and it's not so, (pout!) | |
4168 | erase it. */ | |
f676886a | 4169 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4170 | && (!on |
f676886a JB |
4171 | || f->phys_cursor_x != curs_x |
4172 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 4173 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 4174 | && (f != x_highlight_frame)))) |
dc6f92b8 | 4175 | { |
79cf7456 | 4176 | int mouse_face_here = 0; |
9f67f20b | 4177 | struct frame_glyphs *active_glyphs = FRAME_CURRENT_GLYPHS (f); |
79cf7456 RS |
4178 | |
4179 | /* If the cursor is in the mouse face area, redisplay that when | |
4180 | we clear the cursor. */ | |
7a13e894 | 4181 | if (f == FRAME_X_DISPLAY_INFO (f)->mouse_face_mouse_frame |
79cf7456 | 4182 | && |
7a13e894 RS |
4183 | (f->phys_cursor_y > FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row |
4184 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_row | |
4185 | && f->phys_cursor_x >= FRAME_X_DISPLAY_INFO (f)->mouse_face_beg_col)) | |
79cf7456 | 4186 | && |
7a13e894 RS |
4187 | (f->phys_cursor_y < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row |
4188 | || (f->phys_cursor_y == FRAME_X_DISPLAY_INFO (f)->mouse_face_end_row | |
9f67f20b RS |
4189 | && f->phys_cursor_x < FRAME_X_DISPLAY_INFO (f)->mouse_face_end_col)) |
4190 | /* Don't redraw the cursor's spot in mouse face | |
4191 | if it is at the end of a line (on a newline). | |
4192 | The cursor appears there, but mouse highlighting does not. */ | |
4193 | && active_glyphs->used[f->phys_cursor_y] > f->phys_cursor_x) | |
79cf7456 RS |
4194 | mouse_face_here = 1; |
4195 | ||
0cdd0c9f RS |
4196 | /* If the font is not as tall as a whole line, |
4197 | we must explicitly clear the line's whole height. */ | |
4198 | if (FONT_HEIGHT (f->display.x->font) != f->display.x->line_height) | |
334208b7 | 4199 | XClearArea (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
0cdd0c9f RS |
4200 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4201 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
4202 | FONT_WIDTH (f->display.x->font), | |
4203 | f->display.x->line_height, False); | |
dc6f92b8 | 4204 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4205 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4206 | f->phys_cursor_glyph, | |
79cf7456 RS |
4207 | (mouse_face_here |
4208 | ? 3 | |
4209 | : current_glyphs->highlight[f->phys_cursor_y])); | |
f676886a | 4210 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4211 | } |
4212 | ||
4213 | /* If we want to show a cursor, | |
4214 | or we want a box cursor and it's not so, | |
4215 | write it in the right place. */ | |
4216 | if (on | |
f676886a | 4217 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 4218 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 4219 | && f == x_highlight_frame))) |
dc6f92b8 | 4220 | { |
f676886a | 4221 | f->phys_cursor_glyph |
1113d9db JB |
4222 | = ((current_glyphs->enable[curs_y] |
4223 | && curs_x < current_glyphs->used[curs_y]) | |
4224 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 4225 | : SPACEGLYPH); |
f676886a | 4226 | if (f != x_highlight_frame) |
dc6f92b8 | 4227 | { |
f676886a | 4228 | x_draw_box (f); |
dbc4e1c1 | 4229 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4230 | } |
4231 | else | |
4232 | { | |
f676886a JB |
4233 | x_draw_single_glyph (f, curs_y, curs_x, |
4234 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 4235 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4236 | } |
4237 | ||
f676886a JB |
4238 | f->phys_cursor_x = curs_x; |
4239 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
4240 | } |
4241 | ||
f676886a | 4242 | if (updating_frame != f) |
334208b7 | 4243 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4244 | } |
4245 | ||
f676886a JB |
4246 | x_display_cursor (f, on) |
4247 | struct frame *f; | |
dc6f92b8 JB |
4248 | int on; |
4249 | { | |
f94397b5 KH |
4250 | BLOCK_INPUT; |
4251 | ||
dbc4e1c1 | 4252 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 4253 | x_display_box_cursor (f, on); |
dbc4e1c1 | 4254 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 4255 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
4256 | else |
4257 | /* Those are the only two we have implemented! */ | |
4258 | abort (); | |
f94397b5 KH |
4259 | |
4260 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4261 | } |
4262 | \f | |
4263 | /* Icons. */ | |
4264 | ||
f676886a | 4265 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4266 | when we get an expose event for it. */ |
4267 | ||
f676886a JB |
4268 | refreshicon (f) |
4269 | struct frame *f; | |
dc6f92b8 | 4270 | { |
dc6f92b8 | 4271 | /* Normally, the window manager handles this function. */ |
dc6f92b8 JB |
4272 | } |
4273 | ||
dbc4e1c1 | 4274 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4275 | |
4276 | int | |
990ba854 | 4277 | x_bitmap_icon (f, file) |
f676886a | 4278 | struct frame *f; |
990ba854 | 4279 | Lisp_Object file; |
dc6f92b8 | 4280 | { |
7f2ae036 | 4281 | int mask, bitmap_id; |
dc6f92b8 JB |
4282 | Window icon_window; |
4283 | ||
c118dd06 | 4284 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4285 | return 1; |
4286 | ||
990ba854 RS |
4287 | /* Free up our existing icon bitmap if any. */ |
4288 | if (f->display.x->icon_bitmap > 0) | |
4289 | x_destroy_bitmap (f, f->display.x->icon_bitmap); | |
4290 | f->display.x->icon_bitmap = 0; | |
4291 | ||
4292 | if (STRINGP (file)) | |
7f2ae036 RS |
4293 | bitmap_id = x_create_bitmap_from_file (f, file); |
4294 | else | |
4295 | { | |
990ba854 | 4296 | /* Create the GNU bitmap if necessary. */ |
5bf01b68 | 4297 | if (FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id < 0) |
334208b7 RS |
4298 | FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id |
4299 | = x_create_bitmap_from_data (f, gnu_bits, | |
4300 | gnu_width, gnu_height); | |
990ba854 RS |
4301 | |
4302 | /* The first time we create the GNU bitmap, | |
4303 | this increments the refcount one extra time. | |
4304 | As a result, the GNU bitmap is never freed. | |
4305 | That way, we don't have to worry about allocating it again. */ | |
334208b7 | 4306 | x_reference_bitmap (f, FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id); |
990ba854 | 4307 | |
334208b7 | 4308 | bitmap_id = FRAME_X_DISPLAY_INFO (f)->icon_bitmap_id; |
7f2ae036 RS |
4309 | } |
4310 | ||
4311 | x_wm_set_icon_pixmap (f, bitmap_id); | |
4312 | f->display.x->icon_bitmap = bitmap_id; | |
dc6f92b8 JB |
4313 | |
4314 | return 0; | |
4315 | } | |
4316 | ||
4317 | ||
f676886a | 4318 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
4319 | |
4320 | int | |
f676886a JB |
4321 | x_text_icon (f, icon_name) |
4322 | struct frame *f; | |
dc6f92b8 JB |
4323 | char *icon_name; |
4324 | { | |
c118dd06 | 4325 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4326 | return 1; |
4327 | ||
dc6f92b8 | 4328 | if (icon_name) |
f676886a | 4329 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 4330 | else |
f676886a JB |
4331 | if (! f->display.x->icon_label) |
4332 | f->display.x->icon_label = " *emacs* "; | |
58769bee | 4333 | |
dfeccd2d | 4334 | #if 0 |
334208b7 | 4335 | XSetIconName (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4336 | (char *) f->display.x->icon_label); |
dfeccd2d | 4337 | #endif |
58769bee | 4338 | |
990ba854 RS |
4339 | if (f->display.x->icon_bitmap > 0) |
4340 | x_destroy_bitmap (f, f->display.x->icon_bitmap); | |
7f2ae036 | 4341 | f->display.x->icon_bitmap = 0; |
b1c884c3 | 4342 | x_wm_set_icon_pixmap (f, 0); |
dc6f92b8 JB |
4343 | |
4344 | return 0; | |
4345 | } | |
4346 | \f | |
4746118a JB |
4347 | /* Handling X errors. */ |
4348 | ||
7a13e894 | 4349 | /* Handle the loss of connection to display DISPLAY. */ |
16bd92ea | 4350 | |
4746118a | 4351 | static SIGTYPE |
7a13e894 RS |
4352 | x_connection_closed (display, error_message) |
4353 | Display *display; | |
4354 | char *error_message; | |
4746118a | 4355 | { |
7a13e894 RS |
4356 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
4357 | Lisp_Object frame, tail; | |
4358 | ||
4746118a JB |
4359 | if (_Xdebug) |
4360 | abort (); | |
12ba150f | 4361 | |
7a13e894 RS |
4362 | /* First delete frames whose minibuffers are on frames |
4363 | that are on the dead display. */ | |
4364 | FOR_EACH_FRAME (tail, frame) | |
4365 | { | |
4366 | Lisp_Object minibuf_frame; | |
4367 | minibuf_frame | |
4368 | = WINDOW_FRAME (XWINDOW (FRAME_MINIBUF_WINDOW (XFRAME (frame)))); | |
f48f33ca RS |
4369 | if (FRAME_X_P (XFRAME (frame)) |
4370 | && FRAME_X_P (XFRAME (minibuf_frame)) | |
4371 | && ! EQ (frame, minibuf_frame) | |
4372 | && FRAME_X_DISPLAY_INFO (XFRAME (minibuf_frame)) == dpyinfo) | |
7a13e894 RS |
4373 | Fdelete_frame (frame, Qt); |
4374 | } | |
4375 | ||
4376 | /* Now delete all remaining frames on the dead display. | |
4377 | We are now sure none of these is used as the minibuffer | |
4378 | for another frame that we need to delete. */ | |
4379 | FOR_EACH_FRAME (tail, frame) | |
f48f33ca RS |
4380 | if (FRAME_X_P (XFRAME (frame)) |
4381 | && FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
7a13e894 RS |
4382 | Fdelete_frame (frame, Qt); |
4383 | ||
4384 | x_delete_display (dpyinfo); | |
4385 | ||
4386 | if (x_display_list == 0) | |
4387 | { | |
4388 | fprintf (stderr, "%s", error_message); | |
4389 | shut_down_emacs (0, 0, Qnil); | |
4390 | exit (70); | |
4391 | } | |
12ba150f | 4392 | |
7a13e894 RS |
4393 | /* Ordinary stack unwind doesn't deal with these. */ |
4394 | #ifdef SIGIO | |
4395 | sigunblock (sigmask (SIGIO)); | |
4396 | #endif | |
4397 | sigunblock (sigmask (SIGALRM)); | |
4398 | TOTALLY_UNBLOCK_INPUT; | |
4399 | ||
4400 | error ("%s", error_message); | |
4746118a JB |
4401 | } |
4402 | ||
92e2441b RS |
4403 | static SIGTYPE |
4404 | x_connection_signal (signalnum) /* If we don't have an argument, */ | |
4405 | int signalnum; /* some compilers complain in signal calls. */ | |
4406 | { | |
4407 | /* We really ought to close the connection to the display | |
4408 | that actually failed. | |
4409 | But do we actually get this signal ever with X11? */ | |
4410 | fprintf (stderr, "X connection closed"); | |
4411 | shut_down_emacs (0, 0, Qnil); | |
4412 | exit (70); | |
4413 | } | |
4414 | ||
7a13e894 RS |
4415 | /* This is the usual handler for X protocol errors. |
4416 | It kills all frames on the display that we got the error for. | |
4417 | If that was the only one, it prints an error message and kills Emacs. */ | |
4418 | ||
c118dd06 JB |
4419 | static int |
4420 | x_error_quitter (display, error) | |
4421 | Display *display; | |
4422 | XErrorEvent *error; | |
4423 | { | |
7a13e894 | 4424 | char buf[256], buf1[356]; |
dc6f92b8 | 4425 | |
58769bee | 4426 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 4427 | original error handler. */ |
dc6f92b8 | 4428 | |
c118dd06 | 4429 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
7a13e894 | 4430 | sprintf (buf1, "X protocol error: %s on protocol request %d", |
c118dd06 | 4431 | buf, error->request_code); |
7a13e894 | 4432 | x_connection_closed (display, buf1); |
dc6f92b8 JB |
4433 | } |
4434 | ||
7a13e894 RS |
4435 | /* This is the handler for X IO errors, always. |
4436 | It kills all frames on the display that we lost touch with. | |
4437 | If that was the only one, it prints an error message and kills Emacs. */ | |
4438 | ||
8922af5f JB |
4439 | static int |
4440 | x_io_error_quitter (display) | |
4441 | Display *display; | |
4442 | { | |
7a13e894 | 4443 | char buf[256]; |
8922af5f | 4444 | |
7a13e894 RS |
4445 | sprintf (buf, "Connection lost to X server `%s'", DisplayString (display)); |
4446 | x_connection_closed (display, buf); | |
8922af5f | 4447 | } |
7a13e894 | 4448 | \f |
c118dd06 | 4449 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4450 | static char *x_caught_error_message; |
4451 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4452 | |
4453 | /* An X error handler which stores the error message in | |
4454 | x_caught_error_message. This is what's installed when | |
4455 | x_catch_errors is in effect. */ | |
7a13e894 | 4456 | |
c118dd06 JB |
4457 | static int |
4458 | x_error_catcher (display, error) | |
4459 | Display *display; | |
4460 | XErrorEvent *error; | |
4461 | { | |
4462 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4463 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4464 | } |
4465 | ||
4466 | ||
7a13e894 RS |
4467 | /* Begin trapping X errors for display DPY. Actually we trap X errors |
4468 | for all displays, but DPY should be the display you are actually | |
4469 | operating on. | |
dc6f92b8 | 4470 | |
c118dd06 JB |
4471 | After calling this function, X protocol errors no longer cause |
4472 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4473 | |
c118dd06 JB |
4474 | Calling x_check_errors signals an Emacs error if an X error has |
4475 | occurred since the last call to x_catch_errors or x_check_errors. | |
4476 | ||
4477 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4478 | ||
bc20ebbf | 4479 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4480 | |
4481 | void | |
7a13e894 RS |
4482 | x_catch_errors (dpy) |
4483 | Display *dpy; | |
dc6f92b8 | 4484 | { |
c118dd06 | 4485 | /* Make sure any errors from previous requests have been dealt with. */ |
7a13e894 | 4486 | XSync (dpy, False); |
dc6f92b8 | 4487 | |
c118dd06 | 4488 | /* Set up the error buffer. */ |
60f9aad3 | 4489 | x_caught_error_message |
cef13e55 RS |
4490 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4491 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4492 | |
c118dd06 | 4493 | /* Install our little error handler. */ |
334208b7 | 4494 | XSetErrorHandler (x_error_catcher); |
c118dd06 | 4495 | } |
16bd92ea | 4496 | |
c118dd06 JB |
4497 | /* If any X protocol errors have arrived since the last call to |
4498 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4499 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4500 | |
c118dd06 | 4501 | void |
7a13e894 RS |
4502 | x_check_errors (dpy, format) |
4503 | Display *dpy; | |
c118dd06 JB |
4504 | char *format; |
4505 | { | |
4506 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4507 | XSync (dpy, False); |
16bd92ea | 4508 | |
cef13e55 | 4509 | if (x_caught_error_message[0]) |
c118dd06 | 4510 | { |
cef13e55 | 4511 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4512 | |
cef13e55 | 4513 | sprintf (buf, format, x_caught_error_message); |
7a13e894 | 4514 | x_uncatch_errors (dpy); |
c118dd06 JB |
4515 | error (buf); |
4516 | } | |
4517 | } | |
4518 | ||
b849c413 RS |
4519 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4520 | ||
4521 | int | |
7a13e894 RS |
4522 | x_had_errors_p (dpy) |
4523 | Display *dpy; | |
b849c413 RS |
4524 | { |
4525 | /* Make sure to catch any errors incurred so far. */ | |
7a13e894 | 4526 | XSync (dpy, False); |
b849c413 RS |
4527 | |
4528 | return x_caught_error_message[0] != 0; | |
4529 | } | |
4530 | ||
812361a1 RS |
4531 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4532 | ||
c118dd06 | 4533 | void |
7a13e894 RS |
4534 | x_uncatch_errors (dpy) |
4535 | Display *dpy; | |
c118dd06 | 4536 | { |
9ac0d9e0 | 4537 | xfree (x_caught_error_message); |
cef13e55 | 4538 | x_caught_error_message = 0; |
334208b7 | 4539 | XSetErrorHandler (x_error_quitter); |
dc6f92b8 JB |
4540 | } |
4541 | ||
dc6f92b8 JB |
4542 | #if 0 |
4543 | static unsigned int x_wire_count; | |
4544 | x_trace_wire () | |
4545 | { | |
4546 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4547 | } | |
c118dd06 | 4548 | #endif /* ! 0 */ |
dc6f92b8 JB |
4549 | |
4550 | \f | |
f451eb13 JB |
4551 | /* Changing the font of the frame. */ |
4552 | ||
76bcdf39 RS |
4553 | /* Give frame F the font named FONTNAME as its default font, and |
4554 | return the full name of that font. FONTNAME may be a wildcard | |
4555 | pattern; in that case, we choose some font that fits the pattern. | |
4556 | The return value shows which font we chose. */ | |
4557 | ||
b5cf7a0e | 4558 | Lisp_Object |
f676886a JB |
4559 | x_new_font (f, fontname) |
4560 | struct frame *f; | |
dc6f92b8 JB |
4561 | register char *fontname; |
4562 | { | |
dc6f92b8 JB |
4563 | int already_loaded; |
4564 | int n_matching_fonts; | |
4565 | XFontStruct *font_info; | |
4566 | char **font_names; | |
4567 | ||
4568 | /* Get a list of all the fonts that match this name. Once we | |
4569 | have a list of matching fonts, we compare them against the fonts | |
4570 | we already have by comparing font ids. */ | |
334208b7 | 4571 | font_names = (char **) XListFonts (FRAME_X_DISPLAY (f), fontname, |
2224a5fc | 4572 | 1024, &n_matching_fonts); |
0c94f6ee JB |
4573 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4574 | find any matches; font_names == 0 is the only clue. */ | |
4575 | if (! font_names) | |
4576 | n_matching_fonts = 0; | |
4577 | ||
5835f860 RS |
4578 | /* Don't just give up if n_matching_fonts is 0. |
4579 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4580 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 4581 | |
90e65f07 | 4582 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
4583 | already_loaded = -1; |
4584 | if (n_matching_fonts != 0) | |
4585 | { | |
4586 | int i, j; | |
dc6f92b8 | 4587 | |
7a13e894 | 4588 | for (i = 0; i < FRAME_X_DISPLAY_INFO (f)->n_fonts; i++) |
5835f860 | 4589 | for (j = 0; j < n_matching_fonts; j++) |
7a13e894 RS |
4590 | if (!strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].name, font_names[j]) |
4591 | || !strcmp (FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name, font_names[j])) | |
5835f860 RS |
4592 | { |
4593 | already_loaded = i; | |
7a13e894 | 4594 | fontname = FRAME_X_DISPLAY_INFO (f)->font_table[i].full_name; |
5835f860 RS |
4595 | goto found_font; |
4596 | } | |
4597 | } | |
dc6f92b8 | 4598 | found_font: |
58769bee | 4599 | |
dc6f92b8 | 4600 | /* If we have, just return it from the table. */ |
2224a5fc | 4601 | if (already_loaded >= 0) |
7a13e894 | 4602 | f->display.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[already_loaded].font; |
dc6f92b8 JB |
4603 | /* Otherwise, load the font and add it to the table. */ |
4604 | else | |
4605 | { | |
9696f58b | 4606 | int i; |
76bcdf39 | 4607 | char *full_name; |
dc6f92b8 | 4608 | XFontStruct *font; |
7a13e894 | 4609 | int n_fonts; |
dc6f92b8 | 4610 | |
9696f58b | 4611 | /* Try to find a character-cell font in the list. */ |
58769bee | 4612 | #if 0 |
f126bd67 | 4613 | /* A laudable goal, but this isn't how to do it. */ |
9696f58b JB |
4614 | for (i = 0; i < n_matching_fonts; i++) |
4615 | if (! font_info[i].per_char) | |
4616 | break; | |
f126bd67 JB |
4617 | #else |
4618 | i = 0; | |
4619 | #endif | |
9696f58b | 4620 | |
5835f860 RS |
4621 | /* See comment above. */ |
4622 | if (n_matching_fonts != 0) | |
9696f58b JB |
4623 | fontname = font_names[i]; |
4624 | ||
334208b7 | 4625 | font = (XFontStruct *) XLoadQueryFont (FRAME_X_DISPLAY (f), fontname); |
dc6f92b8 | 4626 | if (! font) |
5835f860 | 4627 | { |
2224a5fc | 4628 | /* Free the information from XListFonts. */ |
5835f860 | 4629 | if (n_matching_fonts) |
2224a5fc | 4630 | XFreeFontNames (font_names); |
5835f860 RS |
4631 | return Qnil; |
4632 | } | |
dc6f92b8 JB |
4633 | |
4634 | /* Do we need to create the table? */ | |
7a13e894 | 4635 | if (FRAME_X_DISPLAY_INFO (f)->font_table_size == 0) |
dc6f92b8 | 4636 | { |
7a13e894 RS |
4637 | FRAME_X_DISPLAY_INFO (f)->font_table_size = 16; |
4638 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4639 | = (struct font_info *) xmalloc (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4640 | * sizeof (struct font_info)); | |
dc6f92b8 JB |
4641 | } |
4642 | /* Do we need to grow the table? */ | |
7a13e894 RS |
4643 | else if (FRAME_X_DISPLAY_INFO (f)->n_fonts |
4644 | >= FRAME_X_DISPLAY_INFO (f)->font_table_size) | |
dc6f92b8 | 4645 | { |
7a13e894 RS |
4646 | FRAME_X_DISPLAY_INFO (f)->font_table_size *= 2; |
4647 | FRAME_X_DISPLAY_INFO (f)->font_table | |
4648 | = (struct font_info *) xrealloc (FRAME_X_DISPLAY_INFO (f)->font_table, | |
4649 | (FRAME_X_DISPLAY_INFO (f)->font_table_size | |
4650 | * sizeof (struct font_info))); | |
dc6f92b8 JB |
4651 | } |
4652 | ||
76bcdf39 RS |
4653 | /* Try to get the full name of FONT. Put it in full_name. */ |
4654 | full_name = 0; | |
4655 | for (i = 0; i < font->n_properties; i++) | |
4656 | { | |
4657 | char *atom | |
334208b7 | 4658 | = XGetAtomName (FRAME_X_DISPLAY (f), font->properties[i].name); |
76bcdf39 | 4659 | if (!strcmp (atom, "FONT")) |
7965883b | 4660 | { |
334208b7 | 4661 | char *name = XGetAtomName (FRAME_X_DISPLAY (f), |
7965883b RS |
4662 | (Atom) (font->properties[i].card32)); |
4663 | char *p = name; | |
4664 | int dashes = 0; | |
4665 | ||
4666 | /* Count the number of dashes in the "full name". | |
4667 | If it is too few, this isn't really the font's full name, | |
4668 | so don't use it. | |
4669 | In X11R4, the fonts did not come with their canonical names | |
4670 | stored in them. */ | |
4671 | while (*p) | |
4672 | { | |
4673 | if (*p == '-') | |
4674 | dashes++; | |
4675 | p++; | |
4676 | } | |
4677 | ||
4678 | if (dashes >= 13) | |
4679 | full_name = name; | |
8ed24d5a RS |
4680 | |
4681 | break; | |
7965883b RS |
4682 | } |
4683 | ||
76bcdf39 RS |
4684 | XFree (atom); |
4685 | } | |
4686 | ||
7a13e894 RS |
4687 | n_fonts = FRAME_X_DISPLAY_INFO (f)->n_fonts; |
4688 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); | |
4689 | bcopy (fontname, FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name, strlen (fontname) + 1); | |
76bcdf39 | 4690 | if (full_name != 0) |
7a13e894 | 4691 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = full_name; |
76bcdf39 | 4692 | else |
7a13e894 RS |
4693 | FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].full_name = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].name; |
4694 | f->display.x->font = FRAME_X_DISPLAY_INFO (f)->font_table[n_fonts].font = font; | |
4695 | FRAME_X_DISPLAY_INFO (f)->n_fonts++; | |
76bcdf39 | 4696 | |
d53067dc RS |
4697 | if (full_name) |
4698 | fontname = full_name; | |
dc6f92b8 | 4699 | } |
2224a5fc | 4700 | |
b2cad826 KH |
4701 | /* Compute the scroll bar width in character columns. */ |
4702 | if (f->scroll_bar_pixel_width > 0) | |
4703 | { | |
4704 | int wid = FONT_WIDTH (f->display.x->font); | |
4705 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; | |
4706 | } | |
4707 | else | |
4708 | f->scroll_bar_cols = 2; | |
4709 | ||
f676886a | 4710 | /* Now make the frame display the given font. */ |
c118dd06 | 4711 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4712 | { |
334208b7 | 4713 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->normal_gc, |
f676886a | 4714 | f->display.x->font->fid); |
334208b7 | 4715 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->reverse_gc, |
f676886a | 4716 | f->display.x->font->fid); |
334208b7 | 4717 | XSetFont (FRAME_X_DISPLAY (f), f->display.x->cursor_gc, |
f676886a JB |
4718 | f->display.x->font->fid); |
4719 | ||
a27f9f86 | 4720 | frame_update_line_height (f); |
0134a210 | 4721 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 4722 | } |
a27f9f86 RS |
4723 | else |
4724 | /* If we are setting a new frame's font for the first time, | |
4725 | there are no faces yet, so this font's height is the line height. */ | |
0cdd0c9f | 4726 | f->display.x->line_height = FONT_HEIGHT (f->display.x->font); |
dc6f92b8 | 4727 | |
b5cf7a0e | 4728 | { |
abdda982 | 4729 | Lisp_Object lispy_name; |
b5cf7a0e | 4730 | |
abdda982 | 4731 | lispy_name = build_string (fontname); |
b5cf7a0e | 4732 | |
2224a5fc | 4733 | /* Free the information from XListFonts. The data |
b5cf7a0e | 4734 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 4735 | XFreeFontNames (font_names); |
b5cf7a0e JB |
4736 | |
4737 | return lispy_name; | |
4738 | } | |
dc6f92b8 | 4739 | } |
dc6f92b8 | 4740 | \f |
43bca5d5 | 4741 | x_calc_absolute_position (f) |
f676886a | 4742 | struct frame *f; |
dc6f92b8 | 4743 | { |
6dba1858 RS |
4744 | Window win, child; |
4745 | int win_x = 0, win_y = 0; | |
43bca5d5 | 4746 | int flags = f->display.x->size_hint_flags; |
6dba1858 RS |
4747 | |
4748 | /* Find the position of the outside upper-left corner of | |
4749 | the inner window, with respect to the outer window. */ | |
334208b7 | 4750 | if (f->display.x->parent_desc != FRAME_X_DISPLAY_INFO (f)->root_window) |
6dba1858 RS |
4751 | { |
4752 | BLOCK_INPUT; | |
334208b7 | 4753 | XTranslateCoordinates (FRAME_X_DISPLAY (f), |
58769bee | 4754 | |
6dba1858 RS |
4755 | /* From-window, to-window. */ |
4756 | f->display.x->window_desc, | |
4757 | f->display.x->parent_desc, | |
4758 | ||
4759 | /* From-position, to-position. */ | |
4760 | 0, 0, &win_x, &win_y, | |
4761 | ||
4762 | /* Child of win. */ | |
4763 | &child); | |
4764 | UNBLOCK_INPUT; | |
4765 | } | |
4766 | ||
4767 | /* Treat negative positions as relative to the leftmost bottommost | |
4768 | position that fits on the screen. */ | |
20f55f9a | 4769 | if (flags & XNegative) |
334208b7 | 4770 | f->display.x->left_pos = (FRAME_X_DISPLAY_INFO (f)->width |
69388238 | 4771 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
4772 | - PIXEL_WIDTH (f) |
4773 | + f->display.x->left_pos); | |
dc6f92b8 | 4774 | |
20f55f9a | 4775 | if (flags & YNegative) |
334208b7 | 4776 | f->display.x->top_pos = (FRAME_X_DISPLAY_INFO (f)->height |
69388238 | 4777 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
4778 | - PIXEL_HEIGHT (f) |
4779 | + f->display.x->top_pos); | |
3a35ab44 RS |
4780 | /* The left_pos and top_pos |
4781 | are now relative to the top and left screen edges, | |
4782 | so the flags should correspond. */ | |
4783 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
dc6f92b8 JB |
4784 | } |
4785 | ||
3a35ab44 RS |
4786 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
4787 | to really change the position, and 0 when calling from | |
4788 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
4789 | position values). */ | |
4790 | ||
dc05a16b | 4791 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 4792 | struct frame *f; |
dc6f92b8 | 4793 | register int xoff, yoff; |
dc05a16b | 4794 | int change_gravity; |
dc6f92b8 | 4795 | { |
3a35ab44 RS |
4796 | if (change_gravity) |
4797 | { | |
4798 | f->display.x->top_pos = yoff; | |
4799 | f->display.x->left_pos = xoff; | |
4800 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
4801 | if (xoff < 0) | |
4802 | f->display.x->size_hint_flags |= XNegative; | |
4803 | if (yoff < 0) | |
4804 | f->display.x->size_hint_flags |= YNegative; | |
4805 | f->display.x->win_gravity = NorthWestGravity; | |
4806 | } | |
43bca5d5 | 4807 | x_calc_absolute_position (f); |
dc6f92b8 JB |
4808 | |
4809 | BLOCK_INPUT; | |
3a35ab44 RS |
4810 | x_wm_set_size_hint (f, 0, 0); |
4811 | ||
3afe33e7 | 4812 | #ifdef USE_X_TOOLKIT |
334208b7 | 4813 | XMoveWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget), |
3afe33e7 RS |
4814 | f->display.x->left_pos, f->display.x->top_pos); |
4815 | #else /* not USE_X_TOOLKIT */ | |
334208b7 | 4816 | XMoveWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
f676886a | 4817 | f->display.x->left_pos, f->display.x->top_pos); |
3afe33e7 | 4818 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
4819 | UNBLOCK_INPUT; |
4820 | } | |
4821 | ||
bc20ebbf FP |
4822 | /* Call this to change the size of frame F's x-window. |
4823 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
4824 | for this size change and subsequent size changes. | |
4825 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 4826 | |
bc20ebbf | 4827 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 4828 | struct frame *f; |
bc20ebbf | 4829 | int change_gravity; |
b1c884c3 | 4830 | int cols, rows; |
dc6f92b8 JB |
4831 | { |
4832 | int pixelwidth, pixelheight; | |
4833 | int mask; | |
dc6f92b8 | 4834 | |
80fd1fe2 FP |
4835 | #ifdef USE_X_TOOLKIT |
4836 | BLOCK_INPUT; | |
3a20653d RS |
4837 | { |
4838 | /* The x and y position of the widget is clobbered by the | |
4839 | call to XtSetValues within EmacsFrameSetCharSize. | |
4840 | This is a real kludge, but I don't understand Xt so I can't | |
4841 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
4842 | int xpos = f->display.x->widget->core.x; | |
4843 | int ypos = f->display.x->widget->core.y; | |
4844 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
4845 | f->display.x->widget->core.x = xpos; | |
4846 | f->display.x->widget->core.y = ypos; | |
4847 | } | |
80fd1fe2 FP |
4848 | UNBLOCK_INPUT; |
4849 | ||
4850 | #else /* not USE_X_TOOLKIT */ | |
4851 | ||
dc6f92b8 JB |
4852 | BLOCK_INPUT; |
4853 | ||
b1c884c3 | 4854 | check_frame_size (f, &rows, &cols); |
6dba1858 | 4855 | f->display.x->vertical_scroll_bar_extra |
b2cad826 KH |
4856 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
4857 | ? 0 | |
4858 | : FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0 | |
480407eb | 4859 | ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f) |
b2cad826 | 4860 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->display.x->font))); |
f451eb13 JB |
4861 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
4862 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 | 4863 | |
af31d76f RS |
4864 | f->display.x->win_gravity = NorthWestGravity; |
4865 | x_wm_set_size_hint (f, 0, 0); | |
6ccf47d1 | 4866 | |
334208b7 RS |
4867 | XSync (FRAME_X_DISPLAY (f), False); |
4868 | XResizeWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
4869 | pixelwidth, pixelheight); | |
b1c884c3 JB |
4870 | |
4871 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4872 | but the window manager will get around to dealing with the size | |
4873 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4874 | ConfigureNotify event gets here. |
4875 | ||
4876 | We could just not bother storing any of this information here, | |
4877 | and let the ConfigureNotify event set everything up, but that | |
4878 | might be kind of confusing to the lisp code, since size changes | |
4879 | wouldn't be reported in the frame parameters until some random | |
4880 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4881 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4882 | PIXEL_WIDTH (f) = pixelwidth; |
4883 | PIXEL_HEIGHT (f) = pixelheight; | |
4884 | ||
4d73d038 RS |
4885 | /* If cursor was outside the new size, mark it as off. */ |
4886 | if (f->phys_cursor_y >= rows | |
4887 | || f->phys_cursor_x >= cols) | |
4888 | { | |
4889 | f->phys_cursor_x = -1; | |
4890 | f->phys_cursor_y = -1; | |
4891 | } | |
4892 | ||
dbc4e1c1 JB |
4893 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4894 | receive in the ConfigureNotify event; if we get what we asked | |
4895 | for, then the event won't cause the screen to become garbaged, so | |
4896 | we have to make sure to do it here. */ | |
4897 | SET_FRAME_GARBAGED (f); | |
4898 | ||
334208b7 | 4899 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 4900 | UNBLOCK_INPUT; |
80fd1fe2 | 4901 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 4902 | } |
dc6f92b8 | 4903 | \f |
f451eb13 | 4904 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4905 | |
9b378208 | 4906 | void |
f676886a JB |
4907 | x_set_mouse_position (f, x, y) |
4908 | struct frame *f; | |
dc6f92b8 JB |
4909 | int x, y; |
4910 | { | |
4911 | int pix_x, pix_y; | |
4912 | ||
12ba150f | 4913 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
a27f9f86 | 4914 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->display.x->line_height / 2; |
f451eb13 JB |
4915 | |
4916 | if (pix_x < 0) pix_x = 0; | |
4917 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4918 | ||
4919 | if (pix_y < 0) pix_y = 0; | |
4920 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4921 | |
4922 | BLOCK_INPUT; | |
dc6f92b8 | 4923 | |
334208b7 RS |
4924 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
4925 | 0, 0, 0, 0, pix_x, pix_y); | |
dc6f92b8 JB |
4926 | UNBLOCK_INPUT; |
4927 | } | |
4928 | ||
9b378208 RS |
4929 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
4930 | ||
4931 | void | |
4932 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
4933 | struct frame *f; | |
4934 | int pix_x, pix_y; | |
4935 | { | |
4936 | BLOCK_INPUT; | |
4937 | ||
334208b7 RS |
4938 | XWarpPointer (FRAME_X_DISPLAY (f), None, FRAME_X_WINDOW (f), |
4939 | 0, 0, 0, 0, pix_x, pix_y); | |
9b378208 RS |
4940 | UNBLOCK_INPUT; |
4941 | } | |
4942 | ||
f676886a JB |
4943 | x_focus_on_frame (f) |
4944 | struct frame *f; | |
dc6f92b8 | 4945 | { |
1fb20991 | 4946 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 4947 | x_raise_frame (f); |
1fb20991 | 4948 | #endif |
6d4238f3 JB |
4949 | #if 0 |
4950 | /* I don't think that the ICCCM allows programs to do things like this | |
4951 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4952 | doing with this code, do it to x_unfocus_frame too. */ |
334208b7 | 4953 | XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
dc6f92b8 | 4954 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4955 | #endif /* ! 0 */ |
dc6f92b8 JB |
4956 | } |
4957 | ||
f676886a JB |
4958 | x_unfocus_frame (f) |
4959 | struct frame *f; | |
dc6f92b8 | 4960 | { |
6d4238f3 | 4961 | #if 0 |
f676886a JB |
4962 | /* Look at the remarks in x_focus_on_frame. */ |
4963 | if (x_focus_frame == f) | |
334208b7 | 4964 | XSetInputFocus (FRAME_X_DISPLAY (f), PointerRoot, |
dc6f92b8 | 4965 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4966 | #endif /* ! 0 */ |
dc6f92b8 JB |
4967 | } |
4968 | ||
f676886a | 4969 | /* Raise frame F. */ |
dc6f92b8 | 4970 | |
f676886a JB |
4971 | x_raise_frame (f) |
4972 | struct frame *f; | |
dc6f92b8 | 4973 | { |
3a88c238 | 4974 | if (f->async_visible) |
dc6f92b8 JB |
4975 | { |
4976 | BLOCK_INPUT; | |
3afe33e7 | 4977 | #ifdef USE_X_TOOLKIT |
334208b7 | 4978 | XRaiseWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget)); |
3afe33e7 | 4979 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 4980 | XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 4981 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 4982 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
4983 | UNBLOCK_INPUT; |
4984 | } | |
4985 | } | |
4986 | ||
f676886a | 4987 | /* Lower frame F. */ |
dc6f92b8 | 4988 | |
f676886a JB |
4989 | x_lower_frame (f) |
4990 | struct frame *f; | |
dc6f92b8 | 4991 | { |
3a88c238 | 4992 | if (f->async_visible) |
dc6f92b8 JB |
4993 | { |
4994 | BLOCK_INPUT; | |
3afe33e7 | 4995 | #ifdef USE_X_TOOLKIT |
334208b7 | 4996 | XLowerWindow (FRAME_X_DISPLAY (f), XtWindow (f->display.x->widget)); |
3afe33e7 | 4997 | #else /* not USE_X_TOOLKIT */ |
334208b7 | 4998 | XLowerWindow (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 4999 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5000 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 JB |
5001 | UNBLOCK_INPUT; |
5002 | } | |
5003 | } | |
5004 | ||
dbc4e1c1 JB |
5005 | static void |
5006 | XTframe_raise_lower (f, raise) | |
5007 | FRAME_PTR f; | |
5008 | int raise; | |
5009 | { | |
5010 | if (raise) | |
5011 | x_raise_frame (f); | |
5012 | else | |
5013 | x_lower_frame (f); | |
5014 | } | |
5015 | ||
fd13dbb2 RS |
5016 | /* Change from withdrawn state to mapped state, |
5017 | or deiconify. */ | |
dc6f92b8 | 5018 | |
f676886a JB |
5019 | x_make_frame_visible (f) |
5020 | struct frame *f; | |
dc6f92b8 JB |
5021 | { |
5022 | int mask; | |
990ba854 | 5023 | Lisp_Object type; |
dc6f92b8 | 5024 | |
dc6f92b8 | 5025 | BLOCK_INPUT; |
dc6f92b8 | 5026 | |
990ba854 RS |
5027 | type = x_icon_type (f); |
5028 | if (!NILP (type)) | |
5029 | x_bitmap_icon (f, type); | |
bdcd49ba | 5030 | |
f676886a | 5031 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 | 5032 | { |
af31d76f | 5033 | #ifndef USE_X_TOOLKIT |
fd13dbb2 RS |
5034 | if (! FRAME_ICONIFIED_P (f)) |
5035 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
af31d76f | 5036 | #endif |
dc05a16b | 5037 | |
90e65f07 | 5038 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 5039 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 5040 | #ifdef USE_X_TOOLKIT |
d7a38a2e RS |
5041 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
5042 | XtMapWidget (f->display.x->widget); | |
3afe33e7 | 5043 | #else /* not USE_X_TOOLKIT */ |
7f9c7f94 | 5044 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
3afe33e7 | 5045 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
5046 | #if 0 /* This seems to bring back scroll bars in the wrong places |
5047 | if the window configuration has changed. They seem | |
5048 | to come back ok without this. */ | |
ab648270 | 5049 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
334208b7 | 5050 | XMapSubwindows (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
0134a210 | 5051 | #endif |
90e65f07 | 5052 | } |
dc6f92b8 | 5053 | |
334208b7 | 5054 | XFlush (FRAME_X_DISPLAY (f)); |
90e65f07 | 5055 | |
0dacf791 RS |
5056 | /* Synchronize to ensure Emacs knows the frame is visible |
5057 | before we do anything else. We do this loop with input not blocked | |
5058 | so that incoming events are handled. */ | |
5059 | { | |
5060 | Lisp_Object frame; | |
c0a04927 RS |
5061 | int count = input_signal_count; |
5062 | ||
5063 | /* This must come after we set COUNT. */ | |
5064 | UNBLOCK_INPUT; | |
5065 | ||
e0c1aef2 | 5066 | XSETFRAME (frame, f); |
c0a04927 RS |
5067 | |
5068 | while (1) | |
2a6cf806 | 5069 | { |
334208b7 | 5070 | x_sync (f); |
c0a04927 RS |
5071 | /* Once we have handled input events, |
5072 | we should have received the MapNotify if one is coming. | |
5073 | So if we have not got it yet, stop looping. | |
5074 | Some window managers make their own decisions | |
5075 | about visibility. */ | |
5076 | if (input_signal_count != count) | |
5077 | break; | |
c12a7cbd | 5078 | /* Machines that do polling rather than SIGIO have been observed |
23cf7c60 KH |
5079 | to go into a busy-wait here. So we'll fake an alarm signal |
5080 | to let the handler know that there's something to be read. | |
5081 | We used to raise a real alarm, but it seems that the handler | |
5082 | isn't always enabled here. This is probably a bug. */ | |
8b2f8d4e | 5083 | if (input_polling_used ()) |
3b2fa4e6 RS |
5084 | { |
5085 | /* It could be confusing if a real alarm arrives while processing | |
5086 | the fake one. Turn it off and let the handler reset it. */ | |
5087 | alarm (0); | |
5088 | input_poll_signal (); | |
5089 | } | |
c0a04927 RS |
5090 | /* Once we have handled input events, |
5091 | we should have received the MapNotify if one is coming. | |
5092 | So if we have not got it yet, stop looping. | |
5093 | Some window managers make their own decisions | |
5094 | about visibility. */ | |
5095 | if (input_signal_count != count) | |
5096 | break; | |
2a6cf806 | 5097 | } |
0dacf791 RS |
5098 | FRAME_SAMPLE_VISIBILITY (f); |
5099 | } | |
dc6f92b8 JB |
5100 | } |
5101 | ||
5102 | /* Change from mapped state to withdrawn state. */ | |
5103 | ||
f676886a JB |
5104 | x_make_frame_invisible (f) |
5105 | struct frame *f; | |
dc6f92b8 JB |
5106 | { |
5107 | int mask; | |
546e6d5b RS |
5108 | Window window; |
5109 | ||
5110 | #ifdef USE_X_TOOLKIT | |
5111 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
5112 | window = XtWindow (f->display.x->widget); | |
5113 | #else /* not USE_X_TOOLKIT */ | |
5114 | window = FRAME_X_WINDOW (f); | |
5115 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5116 | |
9319ae23 RS |
5117 | /* Don't keep the highlight on an invisible frame. */ |
5118 | if (x_highlight_frame == f) | |
5119 | x_highlight_frame = 0; | |
5120 | ||
5627c40e | 5121 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5122 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5123 | return; |
5627c40e | 5124 | #endif |
dc6f92b8 JB |
5125 | |
5126 | BLOCK_INPUT; | |
c118dd06 | 5127 | |
af31d76f RS |
5128 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
5129 | that the current position of the window is user-specified, rather than | |
5130 | program-specified, so that when the window is mapped again, it will be | |
5131 | placed at the same location, without forcing the user to position it | |
5132 | by hand again (they have already done that once for this window.) */ | |
5133 | x_wm_set_size_hint (f, 0, 1); | |
5134 | ||
c118dd06 JB |
5135 | #ifdef HAVE_X11R4 |
5136 | ||
334208b7 RS |
5137 | if (! XWithdrawWindow (FRAME_X_DISPLAY (f), window, |
5138 | DefaultScreen (FRAME_X_DISPLAY (f)))) | |
c118dd06 JB |
5139 | { |
5140 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5141 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 5142 | } |
c118dd06 | 5143 | #else /* ! defined (HAVE_X11R4) */ |
16bd92ea | 5144 | |
c118dd06 | 5145 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5146 | if (! EQ (Vx_no_window_manager, Qt)) |
5147 | { | |
16bd92ea | 5148 | XEvent unmap; |
dc6f92b8 | 5149 | |
16bd92ea | 5150 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 5151 | unmap.xunmap.window = window; |
334208b7 | 5152 | unmap.xunmap.event = DefaultRootWindow (FRAME_X_DISPLAY (f)); |
16bd92ea | 5153 | unmap.xunmap.from_configure = False; |
334208b7 RS |
5154 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5155 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5156 | False, |
5157 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5158 | &unmap)) | |
5159 | { | |
5160 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5161 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 5162 | } |
dc6f92b8 JB |
5163 | } |
5164 | ||
16bd92ea | 5165 | /* Unmap the window ourselves. Cheeky! */ |
334208b7 | 5166 | XUnmapWindow (FRAME_X_DISPLAY (f), window); |
c118dd06 | 5167 | #endif /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 5168 | |
5627c40e RS |
5169 | /* We can't distinguish this from iconification |
5170 | just by the event that we get from the server. | |
5171 | So we can't win using the usual strategy of letting | |
5172 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5173 | and synchronize with the server to make sure we agree. */ | |
5174 | f->visible = 0; | |
5175 | FRAME_ICONIFIED_P (f) = 0; | |
5176 | f->async_visible = 0; | |
5177 | f->async_iconified = 0; | |
5178 | ||
334208b7 | 5179 | x_sync (f); |
5627c40e | 5180 | |
dc6f92b8 JB |
5181 | UNBLOCK_INPUT; |
5182 | } | |
5183 | ||
dc6f92b8 JB |
5184 | /* Change window state from mapped to iconified. */ |
5185 | ||
f676886a JB |
5186 | x_iconify_frame (f) |
5187 | struct frame *f; | |
dc6f92b8 JB |
5188 | { |
5189 | int mask; | |
3afe33e7 | 5190 | int result; |
990ba854 | 5191 | Lisp_Object type; |
dc6f92b8 | 5192 | |
9319ae23 RS |
5193 | /* Don't keep the highlight on an invisible frame. */ |
5194 | if (x_highlight_frame == f) | |
5195 | x_highlight_frame = 0; | |
5196 | ||
3a88c238 | 5197 | if (f->async_iconified) |
dc6f92b8 JB |
5198 | return; |
5199 | ||
3afe33e7 | 5200 | BLOCK_INPUT; |
546e6d5b | 5201 | |
990ba854 RS |
5202 | type = x_icon_type (f); |
5203 | if (!NILP (type)) | |
5204 | x_bitmap_icon (f, type); | |
bdcd49ba RS |
5205 | |
5206 | #ifdef USE_X_TOOLKIT | |
5207 | ||
546e6d5b RS |
5208 | if (! FRAME_VISIBLE_P (f)) |
5209 | { | |
5210 | if (! EQ (Vx_no_window_manager, Qt)) | |
5211 | x_wm_set_window_state (f, IconicState); | |
5212 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
5213 | XtMapWidget (f->display.x->widget); | |
5214 | UNBLOCK_INPUT; | |
5215 | return; | |
5216 | } | |
5217 | ||
334208b7 | 5218 | result = XIconifyWindow (FRAME_X_DISPLAY (f), |
bc20ebbf | 5219 | XtWindow (f->display.x->widget), |
334208b7 | 5220 | DefaultScreen (FRAME_X_DISPLAY (f))); |
3afe33e7 RS |
5221 | UNBLOCK_INPUT; |
5222 | ||
5223 | if (!result) | |
546e6d5b | 5224 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
5225 | |
5226 | f->async_iconified = 1; | |
8c002a25 KH |
5227 | |
5228 | BLOCK_INPUT; | |
334208b7 | 5229 | XFlush (FRAME_X_DISPLAY (f)); |
8c002a25 | 5230 | UNBLOCK_INPUT; |
3afe33e7 RS |
5231 | #else /* not USE_X_TOOLKIT */ |
5232 | ||
fd13dbb2 RS |
5233 | /* Make sure the X server knows where the window should be positioned, |
5234 | in case the user deiconifies with the window manager. */ | |
5235 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
5236 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
5237 | ||
16bd92ea JB |
5238 | /* Since we don't know which revision of X we're running, we'll use both |
5239 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5240 | ||
5241 | /* X11R4: send a ClientMessage to the window manager using the | |
5242 | WM_CHANGE_STATE type. */ | |
5243 | { | |
5244 | XEvent message; | |
58769bee | 5245 | |
c118dd06 | 5246 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea | 5247 | message.xclient.type = ClientMessage; |
334208b7 | 5248 | message.xclient.message_type = FRAME_X_DISPLAY_INFO (f)->Xatom_wm_change_state; |
16bd92ea JB |
5249 | message.xclient.format = 32; |
5250 | message.xclient.data.l[0] = IconicState; | |
5251 | ||
334208b7 RS |
5252 | if (! XSendEvent (FRAME_X_DISPLAY (f), |
5253 | DefaultRootWindow (FRAME_X_DISPLAY (f)), | |
16bd92ea JB |
5254 | False, |
5255 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5256 | &message)) | |
dc6f92b8 JB |
5257 | { |
5258 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5259 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 5260 | } |
16bd92ea | 5261 | } |
dc6f92b8 | 5262 | |
58769bee | 5263 | /* X11R3: set the initial_state field of the window manager hints to |
16bd92ea JB |
5264 | IconicState. */ |
5265 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5266 | |
a9c00105 RS |
5267 | if (!FRAME_VISIBLE_P (f)) |
5268 | { | |
5269 | /* If the frame was withdrawn, before, we must map it. */ | |
7f9c7f94 | 5270 | XMapRaised (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f)); |
a9c00105 RS |
5271 | } |
5272 | ||
3a88c238 | 5273 | f->async_iconified = 1; |
dc6f92b8 | 5274 | |
334208b7 | 5275 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5276 | UNBLOCK_INPUT; |
8c002a25 | 5277 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5278 | } |
5279 | ||
c0ff3fab | 5280 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5281 | |
c0ff3fab | 5282 | x_destroy_window (f) |
f676886a | 5283 | struct frame *f; |
dc6f92b8 | 5284 | { |
7f9c7f94 RS |
5285 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
5286 | ||
dc6f92b8 | 5287 | BLOCK_INPUT; |
c0ff3fab JB |
5288 | |
5289 | if (f->display.x->icon_desc != 0) | |
334208b7 RS |
5290 | XDestroyWindow (FRAME_X_DISPLAY (f), f->display.x->icon_desc); |
5291 | XDestroyWindow (FRAME_X_DISPLAY (f), f->display.x->window_desc); | |
3afe33e7 RS |
5292 | #ifdef USE_X_TOOLKIT |
5293 | XtDestroyWidget (f->display.x->widget); | |
9d7e2e3e | 5294 | free_frame_menubar (f); |
3afe33e7 RS |
5295 | #endif /* USE_X_TOOLKIT */ |
5296 | ||
07e34cb0 | 5297 | free_frame_faces (f); |
334208b7 | 5298 | XFlush (FRAME_X_DISPLAY (f)); |
dc6f92b8 | 5299 | |
9ac0d9e0 | 5300 | xfree (f->display.x); |
c0ff3fab | 5301 | f->display.x = 0; |
f676886a JB |
5302 | if (f == x_focus_frame) |
5303 | x_focus_frame = 0; | |
c5acd733 RS |
5304 | if (f == x_focus_event_frame) |
5305 | x_focus_event_frame = 0; | |
f676886a JB |
5306 | if (f == x_highlight_frame) |
5307 | x_highlight_frame = 0; | |
c0ff3fab | 5308 | |
7f9c7f94 RS |
5309 | dpyinfo->reference_count--; |
5310 | ||
5311 | if (f == dpyinfo->mouse_face_mouse_frame) | |
dc05a16b | 5312 | { |
7f9c7f94 RS |
5313 | dpyinfo->mouse_face_beg_row |
5314 | = dpyinfo->mouse_face_beg_col = -1; | |
5315 | dpyinfo->mouse_face_end_row | |
5316 | = dpyinfo->mouse_face_end_col = -1; | |
5317 | dpyinfo->mouse_face_window = Qnil; | |
dc05a16b | 5318 | } |
0134a210 | 5319 | |
c0ff3fab | 5320 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5321 | } |
5322 | \f | |
f451eb13 JB |
5323 | /* Setting window manager hints. */ |
5324 | ||
af31d76f RS |
5325 | /* Set the normal size hints for the window manager, for frame F. |
5326 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5327 | that the window now has. | |
5328 | If USER_POSITION is nonzero, we set the USPosition | |
5329 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5330 | |
af31d76f | 5331 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5332 | struct frame *f; |
af31d76f RS |
5333 | long flags; |
5334 | int user_position; | |
dc6f92b8 JB |
5335 | { |
5336 | XSizeHints size_hints; | |
3afe33e7 RS |
5337 | |
5338 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5339 | Arg al[2]; |
5340 | int ac = 0; | |
5341 | Dimension widget_width, widget_height; | |
bc20ebbf | 5342 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5343 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5344 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5345 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5346 | |
b72a58fd RS |
5347 | /* Setting PMaxSize caused various problems. */ |
5348 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5349 | |
f676886a JB |
5350 | flexlines = f->height; |
5351 | ||
5352 | size_hints.x = f->display.x->left_pos; | |
5353 | size_hints.y = f->display.x->top_pos; | |
7553a6b7 | 5354 | |
7e4f2521 FP |
5355 | #ifdef USE_X_TOOLKIT |
5356 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5357 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
5358 | XtGetValues (f->display.x->column_widget, al, ac); | |
5359 | size_hints.height = widget_height; | |
5360 | size_hints.width = widget_width; | |
5361 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5362 | size_hints.height = PIXEL_HEIGHT (f); |
5363 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5364 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5365 | |
f676886a | 5366 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 5367 | size_hints.height_inc = f->display.x->line_height; |
334208b7 RS |
5368 | size_hints.max_width |
5369 | = FRAME_X_DISPLAY_INFO (f)->width - CHAR_TO_PIXEL_WIDTH (f, 0); | |
5370 | size_hints.max_height | |
5371 | = FRAME_X_DISPLAY_INFO (f)->height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5372 | |
b1c884c3 | 5373 | { |
b0342f17 | 5374 | int base_width, base_height; |
0134a210 | 5375 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5376 | |
f451eb13 JB |
5377 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5378 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5379 | |
0134a210 | 5380 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5381 | |
0134a210 RS |
5382 | /* The window manager uses the base width hints to calculate the |
5383 | current number of rows and columns in the frame while | |
5384 | resizing; min_width and min_height aren't useful for this | |
5385 | purpose, since they might not give the dimensions for a | |
5386 | zero-row, zero-column frame. | |
58769bee | 5387 | |
0134a210 RS |
5388 | We use the base_width and base_height members if we have |
5389 | them; otherwise, we set the min_width and min_height members | |
5390 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5391 | |
5392 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5393 | size_hints.flags |= PBaseSize; |
5394 | size_hints.base_width = base_width; | |
5395 | size_hints.base_height = base_height; | |
5396 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5397 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5398 | #else |
0134a210 RS |
5399 | size_hints.min_width = base_width; |
5400 | size_hints.min_height = base_height; | |
b0342f17 | 5401 | #endif |
b1c884c3 | 5402 | } |
dc6f92b8 | 5403 | |
af31d76f RS |
5404 | if (flags) |
5405 | size_hints.flags |= flags; | |
dc6f92b8 JB |
5406 | else |
5407 | { | |
5408 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
af31d76f RS |
5409 | long supplied_return; |
5410 | int value; | |
5411 | ||
5412 | #ifdef HAVE_X11R4 | |
334208b7 | 5413 | value = XGetWMNormalHints (FRAME_X_DISPLAY (f), window, &hints, |
af31d76f RS |
5414 | &supplied_return); |
5415 | #else | |
334208b7 | 5416 | value = XGetNormalHints (FRAME_X_DISPLAY (f), window, &hints); |
af31d76f | 5417 | #endif |
58769bee | 5418 | |
af31d76f | 5419 | if (value == 0) |
82ee0df4 | 5420 | hints.flags = 0; |
dc6f92b8 JB |
5421 | if (hints.flags & PSize) |
5422 | size_hints.flags |= PSize; | |
5423 | if (hints.flags & PPosition) | |
5424 | size_hints.flags |= PPosition; | |
5425 | if (hints.flags & USPosition) | |
5426 | size_hints.flags |= USPosition; | |
5427 | if (hints.flags & USSize) | |
5428 | size_hints.flags |= USSize; | |
5429 | } | |
0134a210 | 5430 | |
af31d76f | 5431 | #ifdef PWinGravity |
dc05a16b | 5432 | size_hints.win_gravity = f->display.x->win_gravity; |
af31d76f | 5433 | size_hints.flags |= PWinGravity; |
dc05a16b | 5434 | |
af31d76f | 5435 | if (user_position) |
6dba1858 | 5436 | { |
af31d76f RS |
5437 | size_hints.flags &= ~ PPosition; |
5438 | size_hints.flags |= USPosition; | |
6dba1858 | 5439 | } |
2554751d | 5440 | #endif /* PWinGravity */ |
6dba1858 | 5441 | |
b0342f17 | 5442 | #ifdef HAVE_X11R4 |
334208b7 | 5443 | XSetWMNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5444 | #else |
334208b7 | 5445 | XSetNormalHints (FRAME_X_DISPLAY (f), window, &size_hints); |
b0342f17 | 5446 | #endif |
dc6f92b8 JB |
5447 | } |
5448 | ||
5449 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5450 | x_wm_set_window_state (f, state) |
5451 | struct frame *f; | |
dc6f92b8 JB |
5452 | int state; |
5453 | { | |
3afe33e7 | 5454 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
5455 | Arg al[1]; |
5456 | ||
5457 | XtSetArg (al[0], XtNinitialState, state); | |
5458 | XtSetValues (f->display.x->widget, al, 1); | |
3afe33e7 | 5459 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5460 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5461 | |
16bd92ea JB |
5462 | f->display.x->wm_hints.flags |= StateHint; |
5463 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 5464 | |
334208b7 | 5465 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
546e6d5b | 5466 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5467 | } |
5468 | ||
7f2ae036 | 5469 | x_wm_set_icon_pixmap (f, pixmap_id) |
f676886a | 5470 | struct frame *f; |
7f2ae036 | 5471 | int pixmap_id; |
dc6f92b8 | 5472 | { |
75231bad RS |
5473 | #ifdef USE_X_TOOLKIT |
5474 | Window window = XtWindow (f->display.x->widget); | |
5475 | #else | |
c118dd06 | 5476 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5477 | #endif |
dc6f92b8 | 5478 | |
7f2ae036 | 5479 | if (pixmap_id > 0) |
dbc4e1c1 | 5480 | { |
7a13e894 | 5481 | Pixmap icon_pixmap = x_bitmap_pixmap (f, pixmap_id); |
dbc4e1c1 JB |
5482 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; |
5483 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
5484 | } | |
5485 | else | |
7f2ae036 RS |
5486 | { |
5487 | f->display.x->wm_hints.icon_pixmap = None; | |
5488 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
5489 | } | |
b1c884c3 | 5490 | |
334208b7 | 5491 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5492 | } |
5493 | ||
f676886a JB |
5494 | x_wm_set_icon_position (f, icon_x, icon_y) |
5495 | struct frame *f; | |
dc6f92b8 JB |
5496 | int icon_x, icon_y; |
5497 | { | |
75231bad RS |
5498 | #ifdef USE_X_TOOLKIT |
5499 | Window window = XtWindow (f->display.x->widget); | |
5500 | #else | |
c118dd06 | 5501 | Window window = FRAME_X_WINDOW (f); |
75231bad | 5502 | #endif |
dc6f92b8 | 5503 | |
16bd92ea JB |
5504 | f->display.x->wm_hints.flags |= IconPositionHint; |
5505 | f->display.x->wm_hints.icon_x = icon_x; | |
5506 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5507 | |
334208b7 | 5508 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5509 | } |
5510 | ||
5511 | \f | |
f451eb13 JB |
5512 | /* Initialization. */ |
5513 | ||
3afe33e7 RS |
5514 | #ifdef USE_X_TOOLKIT |
5515 | static XrmOptionDescRec emacs_options[] = { | |
5516 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5517 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5518 | ||
5519 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5520 | XrmoptionSepArg, NULL}, | |
5521 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5522 | ||
5523 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5524 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5525 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5526 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5527 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5528 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
5529 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
5530 | }; | |
5531 | #endif /* USE_X_TOOLKIT */ | |
5532 | ||
7a13e894 RS |
5533 | static int x_initialized; |
5534 | ||
29b38361 KH |
5535 | #ifdef MULTI_KBOARD |
5536 | /* Test whether two display-name strings agree up to the dot that separates | |
5537 | the screen number from the server number. */ | |
5538 | static int | |
5539 | same_x_server (name1, name2) | |
5540 | char *name1, *name2; | |
5541 | { | |
5542 | int seen_colon = 0; | |
5543 | for (; *name1 != '\0' && *name1 == *name2; name1++, name2++) | |
5544 | { | |
5545 | if (*name1 == ':') | |
5546 | seen_colon++; | |
5547 | if (seen_colon && *name1 == '.') | |
5548 | return 1; | |
5549 | } | |
5550 | return (seen_colon | |
5551 | && (*name1 == '.' || *name1 == '\0') | |
5552 | && (*name2 == '.' || *name2 == '\0')); | |
5553 | } | |
5554 | #endif | |
5555 | ||
334208b7 | 5556 | struct x_display_info * |
1f8255f2 | 5557 | x_term_init (display_name, xrm_option, resource_name) |
334208b7 | 5558 | Lisp_Object display_name; |
1f8255f2 RS |
5559 | char *xrm_option; |
5560 | char *resource_name; | |
dc6f92b8 | 5561 | { |
f676886a | 5562 | Lisp_Object frame; |
dc6f92b8 | 5563 | char *defaultvalue; |
334208b7 | 5564 | int connection; |
7a13e894 | 5565 | Display *dpy; |
334208b7 RS |
5566 | struct x_display_info *dpyinfo; |
5567 | XrmDatabase xrdb; | |
5568 | ||
7a13e894 RS |
5569 | if (!x_initialized) |
5570 | { | |
5571 | x_initialize (); | |
5572 | x_initialized = 1; | |
5573 | } | |
dc6f92b8 | 5574 | |
3afe33e7 | 5575 | #ifdef USE_X_TOOLKIT |
bdcd49ba RS |
5576 | #ifdef HAVE_X11R5 |
5577 | XtSetLanguageProc (NULL, NULL, NULL); | |
5578 | #endif | |
5579 | ||
7f9c7f94 RS |
5580 | { |
5581 | int argc = 0; | |
5582 | char *argv[3]; | |
5583 | ||
5584 | argv[0] = ""; | |
5585 | argc = 1; | |
5586 | if (xrm_option) | |
5587 | { | |
5588 | argv[argc++] = "-xrm"; | |
5589 | argv[argc++] = xrm_option; | |
5590 | } | |
5591 | dpy = XtOpenDisplay (Xt_app_con, XSTRING (display_name)->data, | |
5592 | resource_name, EMACS_CLASS, | |
5593 | emacs_options, XtNumber (emacs_options), | |
5594 | &argc, argv); | |
5595 | } | |
3afe33e7 RS |
5596 | |
5597 | #else /* not USE_X_TOOLKIT */ | |
bdcd49ba RS |
5598 | #ifdef HAVE_X11R5 |
5599 | XSetLocaleModifiers (""); | |
5600 | #endif | |
7a13e894 | 5601 | dpy = XOpenDisplay (XSTRING (display_name)->data); |
3afe33e7 | 5602 | #endif /* not USE_X_TOOLKIT */ |
334208b7 | 5603 | |
7a13e894 RS |
5604 | /* Detect failure. */ |
5605 | if (dpy == 0) | |
5606 | return 0; | |
5607 | ||
5608 | /* We have definitely succeeded. Record the new connection. */ | |
5609 | ||
5610 | dpyinfo = (struct x_display_info *) xmalloc (sizeof (struct x_display_info)); | |
5611 | ||
29b38361 KH |
5612 | #ifdef MULTI_KBOARD |
5613 | { | |
5614 | struct x_display_info *share; | |
5615 | Lisp_Object tail; | |
5616 | ||
5617 | for (share = x_display_list, tail = x_display_name_list; share; | |
5618 | share = share->next, tail = XCONS (tail)->cdr) | |
5619 | if (same_x_server (XSTRING (XCONS (XCONS (tail)->car)->car)->data, | |
5620 | XSTRING (display_name)->data)) | |
5621 | break; | |
5622 | if (share) | |
5623 | dpyinfo->kboard = share->kboard; | |
5624 | else | |
5625 | { | |
5626 | dpyinfo->kboard = (KBOARD *) xmalloc (sizeof (KBOARD)); | |
5627 | init_kboard (dpyinfo->kboard); | |
5628 | dpyinfo->kboard->next_kboard = all_kboards; | |
5629 | all_kboards = dpyinfo->kboard; | |
5630 | } | |
5631 | dpyinfo->kboard->reference_count++; | |
5632 | } | |
b9737ad3 KH |
5633 | #endif |
5634 | ||
7a13e894 RS |
5635 | /* Put this display on the chain. */ |
5636 | dpyinfo->next = x_display_list; | |
5637 | x_display_list = dpyinfo; | |
5638 | ||
5639 | /* Put it on x_display_name_list as well, to keep them parallel. */ | |
5640 | x_display_name_list = Fcons (Fcons (display_name, Qnil), | |
5641 | x_display_name_list); | |
5642 | dpyinfo->name_list_element = XCONS (x_display_name_list)->car; | |
5643 | ||
5644 | dpyinfo->display = dpy; | |
dc6f92b8 | 5645 | |
dc6f92b8 | 5646 | #if 0 |
7a13e894 | 5647 | XSetAfterFunction (x_current_display, x_trace_wire); |
c118dd06 | 5648 | #endif /* ! 0 */ |
7a13e894 RS |
5649 | |
5650 | dpyinfo->x_id_name | |
5651 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size | |
5652 | + XSTRING (Vsystem_name)->size | |
5653 | + 2); | |
5654 | sprintf (dpyinfo->x_id_name, "%s@%s", | |
5655 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
28430d3c JB |
5656 | |
5657 | /* Figure out which modifier bits mean what. */ | |
334208b7 | 5658 | x_find_modifier_meanings (dpyinfo); |
f451eb13 | 5659 | |
ab648270 | 5660 | /* Get the scroll bar cursor. */ |
7a13e894 | 5661 | dpyinfo->vertical_scroll_bar_cursor |
334208b7 | 5662 | = XCreateFontCursor (dpyinfo->display, XC_sb_v_double_arrow); |
f451eb13 | 5663 | |
334208b7 RS |
5664 | xrdb = x_load_resources (dpyinfo->display, xrm_option, |
5665 | resource_name, EMACS_CLASS); | |
5666 | #ifdef HAVE_XRMSETDATABASE | |
5667 | XrmSetDatabase (dpyinfo->display, xrdb); | |
5668 | #else | |
5669 | dpyinfo->display->db = xrdb; | |
5670 | #endif | |
547d9db8 | 5671 | /* Put the rdb where we can find it in a way that works on |
7a13e894 RS |
5672 | all versions. */ |
5673 | dpyinfo->xrdb = xrdb; | |
334208b7 RS |
5674 | |
5675 | dpyinfo->screen = ScreenOfDisplay (dpyinfo->display, | |
5676 | DefaultScreen (dpyinfo->display)); | |
5677 | dpyinfo->visual = select_visual (dpyinfo->display, dpyinfo->screen, | |
5678 | &dpyinfo->n_planes); | |
5679 | dpyinfo->height = HeightOfScreen (dpyinfo->screen); | |
5680 | dpyinfo->width = WidthOfScreen (dpyinfo->screen); | |
5681 | dpyinfo->root_window = RootWindowOfScreen (dpyinfo->screen); | |
5682 | dpyinfo->grabbed = 0; | |
5683 | dpyinfo->reference_count = 0; | |
5684 | dpyinfo->icon_bitmap_id = -1; | |
7a13e894 RS |
5685 | dpyinfo->n_fonts = 0; |
5686 | dpyinfo->font_table_size = 0; | |
5687 | dpyinfo->bitmaps = 0; | |
5688 | dpyinfo->bitmaps_size = 0; | |
5689 | dpyinfo->bitmaps_last = 0; | |
5690 | dpyinfo->scratch_cursor_gc = 0; | |
5691 | dpyinfo->mouse_face_mouse_frame = 0; | |
5692 | dpyinfo->mouse_face_deferred_gc = 0; | |
5693 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
5694 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
5695 | dpyinfo->mouse_face_face_id = 0; | |
5696 | dpyinfo->mouse_face_window = Qnil; | |
5697 | dpyinfo->mouse_face_mouse_x = dpyinfo->mouse_face_mouse_y = 0; | |
5698 | dpyinfo->mouse_face_defer = 0; | |
334208b7 RS |
5699 | |
5700 | dpyinfo->Xatom_wm_protocols | |
5701 | = XInternAtom (dpyinfo->display, "WM_PROTOCOLS", False); | |
5702 | dpyinfo->Xatom_wm_take_focus | |
5703 | = XInternAtom (dpyinfo->display, "WM_TAKE_FOCUS", False); | |
5704 | dpyinfo->Xatom_wm_save_yourself | |
5705 | = XInternAtom (dpyinfo->display, "WM_SAVE_YOURSELF", False); | |
5706 | dpyinfo->Xatom_wm_delete_window | |
5707 | = XInternAtom (dpyinfo->display, "WM_DELETE_WINDOW", False); | |
5708 | dpyinfo->Xatom_wm_change_state | |
5709 | = XInternAtom (dpyinfo->display, "WM_CHANGE_STATE", False); | |
5710 | dpyinfo->Xatom_wm_configure_denied | |
5711 | = XInternAtom (dpyinfo->display, "WM_CONFIGURE_DENIED", False); | |
5712 | dpyinfo->Xatom_wm_window_moved | |
5713 | = XInternAtom (dpyinfo->display, "WM_MOVED", False); | |
5714 | dpyinfo->Xatom_editres | |
5715 | = XInternAtom (dpyinfo->display, "Editres", False); | |
5716 | dpyinfo->Xatom_CLIPBOARD | |
5717 | = XInternAtom (dpyinfo->display, "CLIPBOARD", False); | |
5718 | dpyinfo->Xatom_TIMESTAMP | |
5719 | = XInternAtom (dpyinfo->display, "TIMESTAMP", False); | |
5720 | dpyinfo->Xatom_TEXT | |
5721 | = XInternAtom (dpyinfo->display, "TEXT", False); | |
5722 | dpyinfo->Xatom_DELETE | |
5723 | = XInternAtom (dpyinfo->display, "DELETE", False); | |
5724 | dpyinfo->Xatom_MULTIPLE | |
5725 | = XInternAtom (dpyinfo->display, "MULTIPLE", False); | |
5726 | dpyinfo->Xatom_INCR | |
5727 | = XInternAtom (dpyinfo->display, "INCR", False); | |
5728 | dpyinfo->Xatom_EMACS_TMP | |
5729 | = XInternAtom (dpyinfo->display, "_EMACS_TMP_", False); | |
5730 | dpyinfo->Xatom_TARGETS | |
5731 | = XInternAtom (dpyinfo->display, "TARGETS", False); | |
5732 | dpyinfo->Xatom_NULL | |
5733 | = XInternAtom (dpyinfo->display, "NULL", False); | |
5734 | dpyinfo->Xatom_ATOM_PAIR | |
5735 | = XInternAtom (dpyinfo->display, "ATOM_PAIR", False); | |
5736 | ||
547d9db8 KH |
5737 | dpyinfo->cut_buffers_initialized = 0; |
5738 | ||
334208b7 RS |
5739 | connection = ConnectionNumber (dpyinfo->display); |
5740 | dpyinfo->connection = connection; | |
5741 | ||
87485d6f MW |
5742 | #ifdef subprocesses |
5743 | /* This is only needed for distinguishing keyboard and process input. */ | |
334208b7 | 5744 | if (connection != 0) |
7a13e894 | 5745 | add_keyboard_wait_descriptor (connection); |
87485d6f | 5746 | #endif |
6d4238f3 | 5747 | |
041b69ac | 5748 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 5749 | #ifdef F_SETOWN |
dc6f92b8 | 5750 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 | 5751 | /* stdin is a socket here */ |
334208b7 | 5752 | fcntl (connection, F_SETOWN, -getpid ()); |
c118dd06 | 5753 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
334208b7 | 5754 | fcntl (connection, F_SETOWN, getpid ()); |
c118dd06 JB |
5755 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
5756 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 5757 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
5758 | |
5759 | #ifdef SIGIO | |
7a13e894 | 5760 | init_sigio (connection); |
c118dd06 | 5761 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 5762 | |
7a13e894 RS |
5763 | return dpyinfo; |
5764 | } | |
5765 | \f | |
5766 | /* Get rid of display DPYINFO, assuming all frames are already gone, | |
5767 | and without sending any more commands to the X server. */ | |
dc6f92b8 | 5768 | |
7a13e894 RS |
5769 | void |
5770 | x_delete_display (dpyinfo) | |
5771 | struct x_display_info *dpyinfo; | |
5772 | { | |
5773 | delete_keyboard_wait_descriptor (dpyinfo->connection); | |
5774 | ||
5775 | /* Discard this display from x_display_name_list and x_display_list. | |
5776 | We can't use Fdelq because that can quit. */ | |
5777 | if (! NILP (x_display_name_list) | |
5778 | && EQ (XCONS (x_display_name_list)->car, dpyinfo->name_list_element)) | |
5779 | x_display_name_list = XCONS (x_display_name_list)->cdr; | |
5780 | else | |
5781 | { | |
5782 | Lisp_Object tail; | |
5783 | ||
5784 | tail = x_display_name_list; | |
5785 | while (CONSP (tail) && CONSP (XCONS (tail)->cdr)) | |
5786 | { | |
5787 | if (EQ (XCONS (XCONS (tail)->cdr)->car, | |
5788 | dpyinfo->name_list_element)) | |
5789 | { | |
5790 | XCONS (tail)->cdr = XCONS (XCONS (tail)->cdr)->cdr; | |
5791 | break; | |
5792 | } | |
5793 | tail = XCONS (tail)->cdr; | |
5794 | } | |
5795 | } | |
5796 | ||
5797 | if (x_display_list == dpyinfo) | |
5798 | x_display_list = dpyinfo->next; | |
7f9c7f94 RS |
5799 | else |
5800 | { | |
5801 | struct x_display_info *tail; | |
7a13e894 | 5802 | |
7f9c7f94 RS |
5803 | for (tail = x_display_list; tail; tail = tail->next) |
5804 | if (tail->next == dpyinfo) | |
5805 | tail->next = tail->next->next; | |
5806 | } | |
7a13e894 | 5807 | |
7f9c7f94 RS |
5808 | #ifndef USE_X_TOOLKIT |
5809 | /* I'm told Xt does this itself. */ | |
5810 | XrmDestroyDatabase (dpyinfo->xrdb); | |
5811 | #endif | |
29b38361 KH |
5812 | #ifdef MULTI_KBOARD |
5813 | if (--dpyinfo->kboard->reference_count == 0) | |
39f79001 | 5814 | delete_kboard (dpyinfo->kboard); |
b9737ad3 KH |
5815 | #endif |
5816 | xfree (dpyinfo->font_table); | |
5817 | xfree (dpyinfo->x_id_name); | |
5818 | xfree (dpyinfo); | |
7a13e894 RS |
5819 | } |
5820 | \f | |
5821 | /* Set up use of X before we make the first connection. */ | |
5822 | ||
5823 | x_initialize () | |
5824 | { | |
f676886a | 5825 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
5826 | clear_end_of_line_hook = XTclear_end_of_line; |
5827 | ins_del_lines_hook = XTins_del_lines; | |
5828 | change_line_highlight_hook = XTchange_line_highlight; | |
5829 | insert_glyphs_hook = XTinsert_glyphs; | |
5830 | write_glyphs_hook = XTwrite_glyphs; | |
5831 | delete_glyphs_hook = XTdelete_glyphs; | |
5832 | ring_bell_hook = XTring_bell; | |
5833 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
5834 | set_terminal_modes_hook = XTset_terminal_modes; | |
5835 | update_begin_hook = XTupdate_begin; | |
5836 | update_end_hook = XTupdate_end; | |
5837 | set_terminal_window_hook = XTset_terminal_window; | |
5838 | read_socket_hook = XTread_socket; | |
b8009dd1 | 5839 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
5840 | cursor_to_hook = XTcursor_to; |
5841 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 5842 | mouse_position_hook = XTmouse_position; |
f451eb13 | 5843 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 5844 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
5845 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
5846 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
5847 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
5848 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
58769bee | 5849 | |
f676886a | 5850 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
5851 | char_ins_del_ok = 0; /* just as fast to write the line */ |
5852 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
5853 | fast_clear_end_of_line = 1; /* X does this well */ | |
58769bee | 5854 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
5855 | off the bottom */ |
5856 | baud_rate = 19200; | |
5857 | ||
7a13e894 RS |
5858 | x_noop_count = 0; |
5859 | ||
5860 | x_focus_frame = x_highlight_frame = 0; | |
5861 | ||
b30b24cb RS |
5862 | /* Try to use interrupt input; if we can't, then start polling. */ |
5863 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
5864 | ||
7f9c7f94 RS |
5865 | #ifdef USE_X_TOOLKIT |
5866 | XtToolkitInitialize (); | |
5867 | Xt_app_con = XtCreateApplicationContext (); | |
5868 | #endif | |
5869 | ||
58769bee | 5870 | /* Note that there is no real way portable across R3/R4 to get the |
c118dd06 | 5871 | original error handler. */ |
334208b7 RS |
5872 | XSetErrorHandler (x_error_quitter); |
5873 | XSetIOErrorHandler (x_io_error_quitter); | |
dc6f92b8 JB |
5874 | |
5875 | /* Disable Window Change signals; they are handled by X events. */ | |
5876 | #ifdef SIGWINCH | |
5877 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 5878 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 5879 | |
92e2441b | 5880 | signal (SIGPIPE, x_connection_signal); |
dc6f92b8 | 5881 | } |
55123275 JB |
5882 | |
5883 | void | |
5884 | syms_of_xterm () | |
5885 | { | |
7a13e894 RS |
5886 | staticpro (&x_display_name_list); |
5887 | x_display_name_list = Qnil; | |
334208b7 | 5888 | |
ab648270 | 5889 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 5890 | last_mouse_scroll_bar = Qnil; |
55123275 | 5891 | } |
c118dd06 | 5892 | #endif /* ! defined (HAVE_X_WINDOWS) */ |