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 | ||
d56a553a RS |
22 | #define NEW_SELECTIONS |
23 | ||
039440c4 RS |
24 | /* On 4.3 these lose if they come after xterm.h. */ |
25 | /* On HP-UX 8.0 signal.h loses if it comes after config.h. */ | |
26 | /* Putting these at the beginning seems to be standard for other .c files. */ | |
27 | #include <stdio.h> | |
28 | #include <signal.h> | |
29 | ||
18160b98 | 30 | #include <config.h> |
dc6f92b8 | 31 | |
3afe33e7 | 32 | /* Need syssignal.h for various externs and definitions that may be required |
bc20ebbf | 33 | by some configurations for calls to signal later in this source file. */ |
3afe33e7 RS |
34 | #include "syssignal.h" |
35 | ||
dc6f92b8 JB |
36 | #ifdef HAVE_X_WINDOWS |
37 | ||
38 | #include "lisp.h" | |
9ac0d9e0 | 39 | #include "blockinput.h" |
dc6f92b8 | 40 | |
dc6f92b8 JB |
41 | /* This may include sys/types.h, and that somehow loses |
42 | if this is not done before the other system files. */ | |
43 | #include "xterm.h" | |
f451eb13 | 44 | #include <X11/cursorfont.h> |
dc6f92b8 | 45 | |
16bd92ea | 46 | #ifndef USG |
dc6f92b8 JB |
47 | /* Load sys/types.h if not already loaded. |
48 | In some systems loading it twice is suicidal. */ | |
49 | #ifndef makedev | |
50 | #include <sys/types.h> | |
c118dd06 JB |
51 | #endif /* makedev */ |
52 | #endif /* USG */ | |
dc6f92b8 JB |
53 | |
54 | #ifdef BSD | |
55 | #include <sys/ioctl.h> | |
56 | #include <strings.h> | |
c118dd06 | 57 | #else /* ! defined (BSD) */ |
febf25d5 | 58 | #ifndef VMS |
dc6f92b8 | 59 | #include <string.h> |
febf25d5 | 60 | #endif |
c118dd06 | 61 | #endif /* ! defined (BSD) */ |
dc6f92b8 | 62 | |
2d368234 | 63 | #include "systty.h" |
3a2712f9 | 64 | #include "systime.h" |
dc6f92b8 | 65 | |
b8009dd1 | 66 | #ifndef INCLUDED_FCNTL |
dc6f92b8 | 67 | #include <fcntl.h> |
b8009dd1 | 68 | #endif |
dc6f92b8 JB |
69 | #include <ctype.h> |
70 | #include <errno.h> | |
71 | #include <setjmp.h> | |
72 | #include <sys/stat.h> | |
73 | #include <sys/param.h> | |
74 | ||
75 | #include "dispextern.h" | |
76 | #include "termhooks.h" | |
77 | #include "termopts.h" | |
78 | #include "termchar.h" | |
79 | #if 0 | |
80 | #include "sink.h" | |
81 | #include "sinkmask.h" | |
c118dd06 | 82 | #endif /* ! 0 */ |
dc6f92b8 | 83 | #include "gnu.h" |
f676886a | 84 | #include "frame.h" |
dc6f92b8 | 85 | #include "disptab.h" |
dc6f92b8 | 86 | #include "buffer.h" |
f451eb13 | 87 | #include "window.h" |
dc6f92b8 | 88 | |
3afe33e7 RS |
89 | #ifdef USE_X_TOOLKIT |
90 | extern XtAppContext Xt_app_con; | |
91 | extern Widget Xt_app_shell; | |
9d7e2e3e | 92 | extern void free_frame_menubar (); |
3afe33e7 RS |
93 | #endif /* USE_X_TOOLKIT */ |
94 | ||
b849c413 RS |
95 | #ifndef USE_X_TOOLKIT |
96 | #define x_any_window_to_frame x_window_to_frame | |
97 | #endif | |
98 | ||
dc6f92b8 JB |
99 | #ifdef HAVE_X11 |
100 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 101 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
102 | #include <X/Xkeyboard.h> |
103 | /*#include <X/Xproto.h> */ | |
c118dd06 | 104 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 105 | |
c34efc6c JB |
106 | #ifdef FD_SET |
107 | /* We could get this from param.h, but better not to depend on finding that. | |
108 | And better not to risk that it might define other symbols used in this | |
109 | file. */ | |
110 | #ifdef FD_SETSIZE | |
111 | #define MAXDESC FD_SETSIZE | |
112 | #else | |
113 | #define MAXDESC 64 | |
114 | #endif | |
115 | #define SELECT_TYPE fd_set | |
116 | #else /* no FD_SET */ | |
117 | #define MAXDESC 32 | |
118 | #define SELECT_TYPE int | |
119 | ||
120 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
121 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
122 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
123 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
124 | #define FD_ZERO(p) (*(p) = 0) | |
125 | #endif /* no FD_SET */ | |
126 | ||
dc6f92b8 JB |
127 | /* For sending Meta-characters. Do we need this? */ |
128 | #define METABIT 0200 | |
129 | ||
130 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
131 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 132 | \f |
dc6f92b8 JB |
133 | /* Nonzero means we must reprint all windows |
134 | because 1) we received an ExposeWindow event | |
f451eb13 | 135 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 136 | |
f451eb13 | 137 | This is never needed under X11. */ |
dc6f92b8 JB |
138 | static int expose_all_windows; |
139 | ||
140 | /* Nonzero means we must reprint all icon windows. */ | |
141 | ||
142 | static int expose_all_icons; | |
143 | ||
144 | #ifndef HAVE_X11 | |
145 | /* ExposeRegion events, when received, are copied into this queue | |
146 | for later processing. */ | |
147 | ||
148 | static struct event_queue x_expose_queue; | |
149 | ||
69388238 | 150 | /* ButtonPress and ButtonReleased events, when received, |
dc6f92b8 JB |
151 | are copied into this queue for later processing. */ |
152 | ||
153 | struct event_queue x_mouse_queue; | |
c118dd06 | 154 | #endif /* HAVE_X11 */ |
dc6f92b8 | 155 | |
dc6f92b8 JB |
156 | #if defined (SIGIO) && defined (FIONREAD) |
157 | int BLOCK_INPUT_mask; | |
c118dd06 | 158 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 159 | |
dc6f92b8 JB |
160 | /* The id of a bitmap used for icon windows. |
161 | One such map is shared by all Emacs icon windows. | |
162 | This is zero if we have not yet had a need to create the bitmap. */ | |
163 | ||
164 | static Bitmap icon_bitmap; | |
165 | ||
166 | /* Font used for text icons. */ | |
167 | ||
168 | static FONT_TYPE *icon_font_info; | |
169 | ||
170 | /* Stuff for dealing with the main icon title. */ | |
171 | ||
172 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 173 | char *hostname, *x_id_name; |
dc6f92b8 JB |
174 | |
175 | /* This is the X connection that we are using. */ | |
176 | ||
177 | Display *x_current_display; | |
178 | ||
ab648270 JB |
179 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
180 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 181 | |
987d2ad1 | 182 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 183 | This is set by update_begin and looked at by all the |
dc6f92b8 | 184 | XT functions. It is zero while not inside an update. |
f676886a JB |
185 | In that case, the XT functions assume that `selected_frame' |
186 | is the frame to apply to. */ | |
d0386f2a | 187 | extern struct frame *updating_frame; |
dc6f92b8 | 188 | |
f676886a | 189 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
190 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
191 | that a mere EnterNotify event can set this; if you need to know the | |
192 | last frame specified in a FocusIn or FocusOut event, use | |
193 | x_focus_event_frame. */ | |
f676886a | 194 | struct frame *x_focus_frame; |
dc6f92b8 | 195 | |
f451eb13 JB |
196 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
197 | separate from x_focus_frame, because whether or not LeaveNotify | |
198 | events cause us to lose focus depends on whether or not we have | |
199 | received a FocusIn event for it. */ | |
200 | struct frame *x_focus_event_frame; | |
201 | ||
f676886a JB |
202 | /* The frame which currently has the visual highlight, and should get |
203 | keyboard input (other sorts of input have the frame encoded in the | |
204 | event). It points to the X focus frame's selected window's | |
205 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 206 | minibuffer. */ |
f676886a | 207 | static struct frame *x_highlight_frame; |
6d4238f3 | 208 | |
dc6f92b8 | 209 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 210 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
211 | |
212 | static int warp_mouse_on_deiconify; | |
213 | ||
214 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
215 | ||
216 | static int flexlines; | |
217 | ||
218 | /* During an update, nonzero if chars output now should be highlighted. */ | |
219 | ||
220 | static int highlight; | |
221 | ||
222 | /* Nominal cursor position -- where to draw output. | |
223 | During an update, these are different from the cursor-box position. */ | |
224 | ||
225 | static int curs_x; | |
226 | static int curs_y; | |
227 | ||
69388238 RS |
228 | /* Mouse movement. |
229 | ||
230 | In order to avoid asking for motion events and then throwing most | |
231 | of them away or busy-polling the server for mouse positions, we ask | |
232 | the server for pointer motion hints. This means that we get only | |
233 | one event per group of mouse movements. "Groups" are delimited by | |
234 | other kinds of events (focus changes and button clicks, for | |
235 | example), or by XQueryPointer calls; when one of these happens, we | |
236 | get another MotionNotify event the next time the mouse moves. This | |
237 | is at least as efficient as getting motion events when mouse | |
238 | tracking is on, and I suspect only negligibly worse when tracking | |
239 | is off. | |
240 | ||
241 | The silly O'Reilly & Associates Nutshell guides barely document | |
242 | pointer motion hints at all (I think you have to infer how they | |
243 | work from an example), and the description of XQueryPointer doesn't | |
244 | mention that calling it causes you to get another motion hint from | |
245 | the server, which is very important. */ | |
246 | ||
247 | /* Where the mouse was last time we reported a mouse event. */ | |
248 | static FRAME_PTR last_mouse_frame; | |
249 | static XRectangle last_mouse_glyph; | |
250 | ||
251 | /* The scroll bar in which the last X motion event occurred. | |
252 | ||
253 | If the last X motion event occurred in a scroll bar, we set this | |
254 | so XTmouse_position can know whether to report a scroll bar motion or | |
255 | an ordinary motion. | |
256 | ||
257 | If the last X motion event didn't occur in a scroll bar, we set this | |
258 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
259 | static Lisp_Object last_mouse_scroll_bar; | |
260 | ||
261 | /* Record which buttons are currently pressed. */ | |
262 | unsigned int x_mouse_grabbed; | |
263 | ||
264 | /* This is a hack. We would really prefer that XTmouse_position would | |
265 | return the time associated with the position it returns, but there | |
266 | doesn't seem to be any way to wrest the timestamp from the server | |
267 | along with the position query. So, we just keep track of the time | |
268 | of the last movement we received, and return that in hopes that | |
269 | it's somewhat accurate. */ | |
270 | static Time last_mouse_movement_time; | |
271 | ||
b8009dd1 RS |
272 | /* These variables describe the range of text currently shown |
273 | in its mouse-face, together with the window they apply to. | |
274 | As long as the mouse stays within this range, we need not | |
275 | redraw anything on its account. */ | |
276 | static int mouse_face_beg, mouse_face_end; | |
277 | static Lisp_Object mouse_face_window; | |
278 | static int mouse_face_face_id; | |
279 | ||
514e4681 RS |
280 | /* 1 if a mouse motion event came and we didn't handle it right away because |
281 | gc was in progress. */ | |
282 | static int mouse_face_deferred_gc; | |
283 | ||
b8009dd1 RS |
284 | /* FRAME and X, Y position of mouse when last checked for highlighting. */ |
285 | static FRAME_PTR mouse_face_mouse_frame; | |
286 | static int mouse_face_mouse_x, mouse_face_mouse_y; | |
287 | ||
288 | /* Nonzero means defer mouse-motion highlighting. */ | |
289 | static int mouse_face_defer; | |
290 | ||
dc6f92b8 JB |
291 | #ifdef HAVE_X11 |
292 | /* `t' if a mouse button is depressed. */ | |
293 | ||
294 | extern Lisp_Object Vmouse_depressed; | |
295 | ||
296 | /* Tells if a window manager is present or not. */ | |
297 | ||
298 | extern Lisp_Object Vx_no_window_manager; | |
299 | ||
300 | /* Timestamp that we requested selection data was made. */ | |
301 | extern Time requestor_time; | |
302 | ||
303 | /* ID of the window requesting selection data. */ | |
304 | extern Window requestor_window; | |
305 | ||
306 | /* Nonzero enables some debugging for the X interface code. */ | |
307 | extern int _Xdebug; | |
308 | ||
b8009dd1 RS |
309 | extern Qface, Qmouse_face; |
310 | ||
c118dd06 | 311 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
312 | |
313 | /* Bit patterns for the mouse cursor. */ | |
314 | ||
315 | short MouseCursor[] = { | |
316 | 0x0000, 0x0008, 0x0018, 0x0038, | |
317 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
318 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
319 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
320 | ||
321 | short MouseMask[] = { | |
322 | 0x000c, 0x001c, 0x003c, 0x007c, | |
323 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
324 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
325 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
326 | ||
327 | static short grey_bits[] = { | |
328 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
329 | ||
330 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 331 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
332 | |
333 | /* From time to time we get info on an Emacs window, here. */ | |
334 | ||
335 | static WINDOWINFO_TYPE windowinfo; | |
336 | ||
337 | extern int errno; | |
338 | ||
dfeccd2d | 339 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
340 | extern int extra_keyboard_modifiers; |
341 | ||
dc6f92b8 JB |
342 | extern Display *XOpenDisplay (); |
343 | extern Window XCreateWindow (); | |
344 | ||
345 | extern Cursor XCreateCursor (); | |
346 | extern FONT_TYPE *XOpenFont (); | |
347 | ||
348 | static void flashback (); | |
c83febd7 | 349 | static void redraw_previous_char (); |
0cdd0c9f | 350 | static void redraw_following_char (); |
3afe33e7 | 351 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 352 | |
b8009dd1 RS |
353 | static void note_mouse_highlight (); |
354 | static void clear_mouse_face (); | |
355 | static void show_mouse_face (); | |
356 | ||
dc6f92b8 JB |
357 | #ifndef HAVE_X11 |
358 | static void dumpqueue (); | |
c118dd06 | 359 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
360 | |
361 | void dumpborder (); | |
4746118a JB |
362 | static int XTcursor_to (); |
363 | static int XTclear_end_of_line (); | |
16bd92ea JB |
364 | |
365 | \f | |
f451eb13 JB |
366 | /* Starting and ending updates. |
367 | ||
368 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
369 | of a frame update. We record in `updating_frame' the identity |
370 | of the frame being updated, so that the XT... functions do not | |
371 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 372 | should never be called except during an update, the only exceptions |
c83febd7 | 373 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 JB |
374 | |
375 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
376 | ||
377 | static | |
f676886a JB |
378 | XTupdate_begin (f) |
379 | struct frame *f; | |
dc6f92b8 JB |
380 | { |
381 | int mask; | |
382 | ||
f676886a | 383 | if (f == 0) |
dc6f92b8 JB |
384 | abort (); |
385 | ||
f676886a | 386 | flexlines = f->height; |
dc6f92b8 JB |
387 | highlight = 0; |
388 | ||
dc6f92b8 | 389 | BLOCK_INPUT; |
b8009dd1 RS |
390 | |
391 | if (f == mouse_face_mouse_frame) | |
392 | { | |
514e4681 | 393 | /* Don't do highlighting for mouse motion during the update. */ |
b8009dd1 RS |
394 | mouse_face_defer = 1; |
395 | if (!NILP (mouse_face_window)) | |
514e4681 RS |
396 | { |
397 | int firstline, lastline, i; | |
398 | struct window *w = XWINDOW (mouse_face_window); | |
399 | ||
400 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
401 | for (firstline = 0; firstline < f->height; firstline++) | |
402 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
403 | break; | |
404 | ||
405 | lastline = f->height; | |
406 | for (i = f->height - 1; i >= 0; i--) | |
407 | { | |
408 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
409 | break; | |
410 | else | |
411 | lastline = i; | |
412 | } | |
413 | ||
414 | /* Can we tell that this update does not affect the window | |
415 | where the mouse highlight is? If so, no need to turn off. */ | |
416 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
417 | || lastline < XFASTINT (w->top))) | |
418 | /* Otherwise turn off the mouse highlight now. */ | |
419 | clear_mouse_face (); | |
420 | } | |
b8009dd1 | 421 | } |
dc6f92b8 JB |
422 | #ifndef HAVE_X11 |
423 | dumpqueue (); | |
c118dd06 | 424 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
425 | UNBLOCK_INPUT; |
426 | } | |
427 | ||
f451eb13 | 428 | #ifndef HAVE_X11 |
dc6f92b8 | 429 | static void x_do_pending_expose (); |
f451eb13 | 430 | #endif |
dc6f92b8 JB |
431 | |
432 | static | |
f676886a JB |
433 | XTupdate_end (f) |
434 | struct frame *f; | |
dc6f92b8 JB |
435 | { |
436 | int mask; | |
437 | ||
dc6f92b8 JB |
438 | BLOCK_INPUT; |
439 | #ifndef HAVE_X11 | |
440 | dumpqueue (); | |
dc6f92b8 | 441 | x_do_pending_expose (); |
f451eb13 | 442 | #endif /* HAVE_X11 */ |
dc6f92b8 | 443 | |
f676886a | 444 | x_display_cursor (f, 1); |
dc6f92b8 | 445 | |
b8009dd1 RS |
446 | if (f == mouse_face_mouse_frame) |
447 | mouse_face_defer = 0; | |
448 | #if 0 | |
449 | /* This fails in the case of having updated only the echo area | |
450 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
451 | has no relation to the current contents, and its charstarts | |
452 | have no relation to the contents of the window-buffer. | |
453 | I don't know a clean way to check | |
454 | for that case. window_end_valid isn't set up yet. */ | |
455 | if (f == mouse_face_mouse_frame) | |
456 | note_mouse_highlight (f, mouse_face_mouse_x, mouse_face_mouse_y); | |
457 | #endif | |
458 | ||
dc6f92b8 JB |
459 | XFlushQueue (); |
460 | UNBLOCK_INPUT; | |
461 | } | |
b8009dd1 | 462 | |
514e4681 | 463 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
464 | |
465 | static | |
466 | XTframe_up_to_date (f) | |
467 | FRAME_PTR f; | |
468 | { | |
514e4681 RS |
469 | if (mouse_face_deferred_gc || f == mouse_face_mouse_frame) |
470 | { | |
471 | note_mouse_highlight (mouse_face_mouse_frame, | |
472 | mouse_face_mouse_x, mouse_face_mouse_y); | |
473 | mouse_face_deferred_gc = 0; | |
474 | } | |
b8009dd1 | 475 | } |
dc6f92b8 JB |
476 | \f |
477 | /* External interface to control of standout mode. | |
478 | Call this when about to modify line at position VPOS | |
479 | and not change whether it is highlighted. */ | |
480 | ||
481 | XTreassert_line_highlight (new, vpos) | |
482 | int new, vpos; | |
483 | { | |
484 | highlight = new; | |
485 | } | |
486 | ||
487 | /* Call this when about to modify line at position VPOS | |
488 | and change whether it is highlighted. */ | |
489 | ||
490 | static | |
491 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
492 | int new_highlight, vpos, first_unused_hpos; | |
493 | { | |
494 | highlight = new_highlight; | |
495 | XTcursor_to (vpos, 0); | |
f676886a | 496 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
497 | } |
498 | ||
499 | /* This is used when starting Emacs and when restarting after suspend. | |
500 | When starting Emacs, no X window is mapped. And nothing must be done | |
501 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
502 | ||
503 | static | |
504 | XTset_terminal_modes () | |
505 | { | |
506 | } | |
507 | ||
508 | /* This is called when exiting or suspending Emacs. | |
509 | Exiting will make the X-windows go away, and suspending | |
510 | requires no action. */ | |
511 | ||
512 | static | |
513 | XTreset_terminal_modes () | |
514 | { | |
f676886a | 515 | /* XTclear_frame (); */ |
dc6f92b8 JB |
516 | } |
517 | \f | |
f451eb13 JB |
518 | /* Set the nominal cursor position of the frame. |
519 | This is where display update commands will take effect. | |
dc6f92b8 JB |
520 | This does not affect the place where the cursor-box is displayed. */ |
521 | ||
4746118a | 522 | static int |
dc6f92b8 JB |
523 | XTcursor_to (row, col) |
524 | register int row, col; | |
525 | { | |
526 | int mask; | |
527 | int orow = row; | |
528 | ||
529 | curs_x = col; | |
530 | curs_y = row; | |
531 | ||
f676886a | 532 | if (updating_frame == 0) |
dc6f92b8 JB |
533 | { |
534 | BLOCK_INPUT; | |
f676886a | 535 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
536 | XFlushQueue (); |
537 | UNBLOCK_INPUT; | |
538 | } | |
539 | } | |
540 | \f | |
541 | /* Display a sequence of N glyphs found at GP. | |
542 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
543 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
544 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
545 | JUST_FOREGROUND if 1 means draw only the foreground; |
546 | don't alter the background. | |
dc6f92b8 | 547 | |
07e34cb0 | 548 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 549 | |
07e34cb0 JB |
550 | Since the display generation code is responsible for calling |
551 | compute_char_face and compute_glyph_face on everything it puts in | |
552 | the display structure, we can assume that the face code on each | |
28f72798 | 553 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
554 | to which we can actually apply intern_face. |
555 | Call this function with input blocked. */ | |
dc6f92b8 | 556 | |
07e34cb0 JB |
557 | #if 1 |
558 | /* This is the multi-face code. */ | |
dc6f92b8 | 559 | |
dc6f92b8 | 560 | static void |
0cdd0c9f | 561 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 562 | struct frame *f; |
dc6f92b8 JB |
563 | int left, top; |
564 | register GLYPH *gp; /* Points to first GLYPH. */ | |
565 | register int n; /* Number of glyphs to display. */ | |
566 | int hl; | |
0cdd0c9f | 567 | int just_foreground; |
dc6f92b8 | 568 | { |
07e34cb0 JB |
569 | /* Holds characters to be displayed. */ |
570 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
571 | register char *cp; /* Steps through buf[]. */ |
572 | register int tlen = GLYPH_TABLE_LENGTH; | |
573 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 574 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 575 | int orig_left = left; |
dc6f92b8 | 576 | |
07e34cb0 | 577 | while (n > 0) |
dc6f92b8 JB |
578 | { |
579 | /* Get the face-code of the next GLYPH. */ | |
580 | int cf, len; | |
581 | int g = *gp; | |
582 | ||
07e34cb0 | 583 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 584 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
585 | |
586 | /* Find the run of consecutive glyphs with the same face-code. | |
587 | Extract their character codes into BUF. */ | |
588 | cp = buf; | |
589 | while (n > 0) | |
590 | { | |
591 | g = *gp; | |
07e34cb0 | 592 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 593 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
594 | break; |
595 | ||
6f63ba79 | 596 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
597 | --n; |
598 | ++gp; | |
599 | } | |
600 | ||
601 | /* LEN gets the length of the run. */ | |
602 | len = cp - buf; | |
603 | ||
604 | /* Now output this run of chars, with the font and pixel values | |
605 | determined by the face code CF. */ | |
07e34cb0 JB |
606 | { |
607 | struct face *face = FRAME_DEFAULT_FACE (f); | |
608 | FONT_TYPE *font = FACE_FONT (face); | |
609 | GC gc = FACE_GC (face); | |
b73b6aaf RS |
610 | int defaulted = 1; |
611 | int gc_temporary = 0; | |
07e34cb0 | 612 | |
b8009dd1 RS |
613 | /* HL = 3 means use a mouse face previously chosen. */ |
614 | if (hl == 3) | |
615 | cf = mouse_face_face_id; | |
616 | ||
b73b6aaf RS |
617 | /* First look at the face of the text itself. */ |
618 | if (cf != 0) | |
07e34cb0 | 619 | { |
a07d4bc5 RS |
620 | /* It's possible for the display table to specify |
621 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
622 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
623 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 624 | cf = 0; |
07e34cb0 JB |
625 | |
626 | if (cf == 1) | |
627 | face = FRAME_MODE_LINE_FACE (f); | |
628 | else | |
28f72798 | 629 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
630 | font = FACE_FONT (face); |
631 | gc = FACE_GC (face); | |
b73b6aaf | 632 | defaulted = 0; |
07e34cb0 | 633 | } |
4a4dc352 JB |
634 | |
635 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
636 | else if (hl == 0) |
637 | ; | |
638 | else if (hl == 1) | |
639 | { | |
640 | face = FRAME_MODE_LINE_FACE (f); | |
641 | font = FACE_FONT (face); | |
642 | gc = FACE_GC (face); | |
b73b6aaf RS |
643 | defaulted = 0; |
644 | } | |
645 | ||
646 | #define FACE_DEFAULT (~0) | |
647 | ||
648 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 649 | if (hl == 2) |
b73b6aaf | 650 | { |
b5cf7a0e JB |
651 | if (defaulted |
652 | || !face->font | |
653 | || (int) face->font == FACE_DEFAULT) | |
654 | { | |
655 | gc = f->display.x->cursor_gc; | |
656 | } | |
657 | /* Cursor on non-default face: must merge. */ | |
658 | else | |
659 | { | |
660 | XGCValues xgcv; | |
661 | unsigned long mask; | |
662 | ||
663 | xgcv.background = f->display.x->cursor_pixel; | |
df5a440b RS |
664 | if (face == FRAME_DEFAULT_FACE (f)) |
665 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
666 | else | |
667 | xgcv.foreground = face->foreground; | |
668 | /* If the glyph would be invisible, | |
669 | try a different foreground. */ | |
670 | if (xgcv.foreground == xgcv.background) | |
671 | xgcv.foreground = face->background; | |
672 | if (xgcv.foreground == xgcv.background) | |
673 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
674 | if (xgcv.foreground == xgcv.background) | |
675 | xgcv.foreground = face->foreground; | |
676 | /* Make sure the cursor is distinct from text in this face. */ | |
677 | if (xgcv.background == face->background | |
678 | && xgcv.foreground == face->foreground) | |
679 | { | |
680 | xgcv.background = face->foreground; | |
681 | xgcv.foreground = face->background; | |
682 | } | |
b5cf7a0e JB |
683 | xgcv.font = face->font->fid; |
684 | xgcv.graphics_exposures = 0; | |
685 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
686 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
687 | mask, &xgcv); | |
b73b6aaf | 688 | #if 0 |
b5cf7a0e JB |
689 | if (face->stipple && face->stipple != FACE_DEFAULT) |
690 | XSetStipple (x_current_display, gc, face->stipple); | |
b73b6aaf | 691 | #endif |
b5cf7a0e JB |
692 | gc_temporary = 1; |
693 | } | |
07e34cb0 | 694 | } |
07e34cb0 | 695 | |
b5cf7a0e JB |
696 | if ((int) font == FACE_DEFAULT) |
697 | font = f->display.x->font; | |
698 | ||
0cdd0c9f RS |
699 | if (just_foreground) |
700 | XDrawString (x_current_display, window, gc, | |
701 | left, top + FONT_BASE (font), buf, len); | |
702 | else | |
703 | { | |
704 | XDrawImageString (x_current_display, window, gc, | |
705 | left, top + FONT_BASE (font), buf, len); | |
706 | /* Clear the rest of the line's height. */ | |
707 | if (f->display.x->line_height != FONT_HEIGHT (font)) | |
708 | XClearArea (x_current_display, window, left, | |
709 | top + FONT_HEIGHT (font), | |
710 | FONT_WIDTH (font) * len, | |
711 | /* This is how many pixels of height | |
712 | we have to clear. */ | |
713 | f->display.x->line_height - FONT_HEIGHT (font), | |
714 | False); | |
715 | } | |
716 | ||
717 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
718 | which often is not up to date yet. */ | |
719 | if (!just_foreground) | |
720 | { | |
721 | if (left == orig_left) | |
722 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
723 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
724 | if (n == 0) | |
725 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
726 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
727 | } | |
728 | #endif | |
07e34cb0 | 729 | |
b73b6aaf RS |
730 | if (gc_temporary) |
731 | XFreeGC (x_current_display, gc); | |
732 | ||
07e34cb0 JB |
733 | /* We should probably check for XA_UNDERLINE_POSITION and |
734 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
735 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 736 | { |
4a4dc352 | 737 | int underline_position = 1; |
07e34cb0 | 738 | |
4a4dc352 JB |
739 | if (font->descent <= underline_position) |
740 | underline_position = font->descent - 1; | |
07e34cb0 JB |
741 | |
742 | if (face->underline) | |
743 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
744 | FACE_GC (face), | |
745 | left, (top | |
746 | + FONT_BASE (font) | |
747 | + underline_position), | |
748 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 749 | } |
07e34cb0 JB |
750 | |
751 | left += len * FONT_WIDTH (font); | |
752 | } | |
dc6f92b8 JB |
753 | } |
754 | } | |
07e34cb0 JB |
755 | #endif /* 1 */ |
756 | ||
757 | #if 0 | |
758 | /* This is the old single-face code. */ | |
759 | ||
760 | static void | |
761 | dumpglyphs (f, left, top, gp, n, hl, font) | |
762 | struct frame *f; | |
763 | int left, top; | |
764 | register GLYPH *gp; /* Points to first GLYPH. */ | |
765 | register int n; /* Number of glyphs to display. */ | |
766 | int hl; | |
767 | FONT_TYPE *font; | |
768 | { | |
769 | register int len; | |
770 | Window window = FRAME_X_WINDOW (f); | |
771 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
772 | : (hl ? f->display.x->reverse_gc | |
773 | : f->display.x->normal_gc)); | |
774 | ||
775 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
776 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
777 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
778 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
779 | XDrawImageString (x_current_display, window, drawing_gc, | |
780 | left, top + FONT_BASE (font), (char *) gp, n); | |
781 | else | |
782 | /* What size of glyph ARE you using? And does X have a function to | |
783 | draw them? */ | |
784 | abort (); | |
785 | } | |
786 | #endif | |
dc6f92b8 | 787 | \f |
f451eb13 JB |
788 | /* Output some text at the nominal frame cursor position. |
789 | Advance the cursor over the text. | |
dc6f92b8 JB |
790 | Output LEN glyphs at START. |
791 | ||
792 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
793 | controls the pixel values used for foreground and background. */ | |
794 | ||
795 | static | |
796 | XTwrite_glyphs (start, len) | |
797 | register GLYPH *start; | |
798 | int len; | |
799 | { | |
800 | register int temp_length; | |
801 | int mask; | |
f676886a | 802 | struct frame *f; |
dc6f92b8 JB |
803 | |
804 | BLOCK_INPUT; | |
805 | ||
f676886a JB |
806 | f = updating_frame; |
807 | if (f == 0) | |
dc6f92b8 | 808 | { |
f676886a | 809 | f = selected_frame; |
dc6f92b8 | 810 | /* If not within an update, |
f676886a JB |
811 | output at the frame's visible cursor. */ |
812 | curs_x = f->cursor_x; | |
813 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
814 | } |
815 | ||
f676886a | 816 | dumpglyphs (f, |
12ba150f JB |
817 | CHAR_TO_PIXEL_COL (f, curs_x), |
818 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 819 | start, len, highlight, 0); |
90e65f07 JB |
820 | |
821 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
822 | if (curs_y == f->phys_cursor_y |
823 | && curs_x <= f->phys_cursor_x | |
824 | && curs_x + len > f->phys_cursor_x) | |
825 | f->phys_cursor_x = -1; | |
dc6f92b8 | 826 | |
f676886a | 827 | if (updating_frame == 0) |
dc6f92b8 | 828 | { |
f676886a JB |
829 | f->cursor_x += len; |
830 | x_display_cursor (f, 1); | |
831 | f->cursor_x -= len; | |
dc6f92b8 JB |
832 | } |
833 | else | |
834 | curs_x += len; | |
835 | ||
836 | UNBLOCK_INPUT; | |
837 | } | |
838 | \f | |
f451eb13 JB |
839 | /* Clear to the end of the line. |
840 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
841 | to column FIRST_UNUSED (exclusive). The idea is that everything |
842 | from FIRST_UNUSED onward is already erased. */ | |
843 | ||
4746118a | 844 | static int |
dc6f92b8 JB |
845 | XTclear_end_of_line (first_unused) |
846 | register int first_unused; | |
847 | { | |
f676886a | 848 | struct frame *f = updating_frame; |
dc6f92b8 JB |
849 | int mask; |
850 | ||
f676886a | 851 | if (f == 0) |
dc6f92b8 JB |
852 | abort (); |
853 | ||
f676886a | 854 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
855 | return; |
856 | if (first_unused <= 0) | |
857 | return; | |
858 | ||
f676886a JB |
859 | if (first_unused >= f->width) |
860 | first_unused = f->width; | |
dc6f92b8 JB |
861 | |
862 | BLOCK_INPUT; | |
863 | ||
90e65f07 | 864 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
865 | if (curs_y == f->phys_cursor_y |
866 | && curs_x <= f->phys_cursor_x | |
867 | && f->phys_cursor_x < first_unused) | |
868 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
869 | |
870 | #ifdef HAVE_X11 | |
c118dd06 | 871 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
872 | CHAR_TO_PIXEL_COL (f, curs_x), |
873 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 874 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 875 | f->display.x->line_height, False); |
c83febd7 | 876 | #if 0 |
0cdd0c9f | 877 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 878 | #endif |
c118dd06 JB |
879 | #else /* ! defined (HAVE_X11) */ |
880 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
881 | CHAR_TO_PIXEL_COL (f, curs_x), |
882 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 883 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 884 | f->display.x->line_height, |
f676886a | 885 | f->display.x->background_pixel); |
c118dd06 | 886 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
887 | |
888 | UNBLOCK_INPUT; | |
889 | } | |
890 | ||
0cdd0c9f RS |
891 | static |
892 | XTclear_frame () | |
893 | { | |
894 | int mask; | |
895 | struct frame *f = updating_frame; | |
896 | ||
897 | if (f == 0) | |
898 | f = selected_frame; | |
899 | ||
900 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
901 | curs_x = 0; /* Nominal cursor position is top left. */ | |
902 | curs_y = 0; | |
903 | ||
904 | BLOCK_INPUT; | |
905 | ||
906 | XClear (FRAME_X_WINDOW (f)); | |
907 | ||
908 | /* We have to clear the scroll bars, too. If we have changed | |
909 | colors or something like that, then they should be notified. */ | |
910 | x_scroll_bar_clear (f); | |
911 | ||
912 | #ifndef HAVE_X11 | |
913 | dumpborder (f, 0); | |
914 | #endif /* HAVE_X11 */ | |
915 | ||
916 | XFlushQueue (); | |
917 | UNBLOCK_INPUT; | |
918 | } | |
919 | \f | |
920 | #if 0 | |
921 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
922 | always contain the right glyphs to use. | |
923 | ||
924 | It also needs to be changed to look at the details of the font and | |
925 | see whether there is really overlap, and do nothing when there is | |
926 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
927 | but just how to use them is not clear. */ | |
928 | ||
c83febd7 RS |
929 | /* Erase the character (if any) at the position just before X, Y in frame F, |
930 | then redraw it and the character before it. | |
931 | This is necessary when we erase starting at X, | |
f94397b5 KH |
932 | in case the character after X overlaps into the one before X. |
933 | Call this function with input blocked. */ | |
c83febd7 RS |
934 | |
935 | static void | |
0cdd0c9f | 936 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
937 | FRAME_PTR f; |
938 | int x, y; | |
0cdd0c9f | 939 | int highlight_flag; |
c83febd7 RS |
940 | { |
941 | /* Erase the character before the new ones, in case | |
942 | what was here before overlaps it. | |
943 | Reoutput that character, and the previous character | |
944 | (in case the previous character overlaps it). */ | |
945 | if (x > 0) | |
946 | { | |
947 | int start_x = x - 2; | |
948 | if (start_x < 0) | |
949 | start_x = 0; | |
950 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
951 | CHAR_TO_PIXEL_COL (f, x - 1), | |
952 | CHAR_TO_PIXEL_ROW (f, y), | |
953 | FONT_WIDTH (f->display.x->font), | |
a27f9f86 | 954 | f->display.x->line_height, False); |
c83febd7 RS |
955 | |
956 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
957 | CHAR_TO_PIXEL_ROW (f, y), | |
958 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 959 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
960 | } |
961 | } | |
962 | ||
0cdd0c9f RS |
963 | /* Erase the character (if any) at the position X, Y in frame F, |
964 | then redraw it and the character after it. | |
965 | This is necessary when we erase endng at X, | |
966 | in case the character after X overlaps into the one before X. | |
967 | Call this function with input blocked. */ | |
968 | ||
969 | static void | |
970 | redraw_following_char (f, x, y, highlight_flag) | |
971 | FRAME_PTR f; | |
972 | int x, y; | |
973 | int highlight_flag; | |
dc6f92b8 | 974 | { |
0cdd0c9f RS |
975 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
976 | /* Erase the character after the new ones, in case | |
977 | what was here before overlaps it. | |
978 | Reoutput that character, and the following character | |
979 | (in case the following character overlaps it). */ | |
980 | if (x < limit | |
981 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
982 | { | |
983 | int end_x = x + 2; | |
984 | if (end_x > limit) | |
985 | end_x = limit; | |
986 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
987 | CHAR_TO_PIXEL_COL (f, x), | |
988 | CHAR_TO_PIXEL_ROW (f, y), | |
989 | FONT_WIDTH (f->display.x->font), | |
990 | f->display.x->line_height, False); | |
dc6f92b8 | 991 | |
0cdd0c9f RS |
992 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
993 | CHAR_TO_PIXEL_ROW (f, y), | |
994 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
995 | end_x - x, highlight_flag, 1); | |
996 | } | |
997 | } | |
998 | #endif /* 0 */ | |
999 | \f | |
1000 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 1001 | |
0cdd0c9f | 1002 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 1003 | |
0cdd0c9f RS |
1004 | static int |
1005 | font_char_overlap_left (font, c) | |
1006 | XFontStruct *font; | |
1007 | int c; | |
1008 | { | |
1009 | XCharStruct *s; | |
dbc4e1c1 | 1010 | |
0cdd0c9f RS |
1011 | /* Find the bounding-box info for C. */ |
1012 | if (font->per_char == 0) | |
1013 | s = &font->max_bounds; | |
1014 | else | |
1015 | { | |
1016 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1017 | int row, within; | |
1018 | ||
1019 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1020 | row = c >> 8; | |
1021 | within = c & 0177; | |
1022 | if (!(within >= font->min_char_or_byte2 | |
1023 | && within <= font->max_char_or_byte2 | |
1024 | && row >= font->min_byte1 | |
1025 | && row <= font->max_byte1)) | |
1026 | { | |
1027 | /* If char is out of range, try the font's default char instead. */ | |
1028 | c = font->default_char; | |
1029 | row = c >> (INTBITS - 8); | |
1030 | within = c & 0177; | |
1031 | } | |
1032 | if (!(within >= font->min_char_or_byte2 | |
1033 | && within <= font->max_char_or_byte2 | |
1034 | && row >= font->min_byte1 | |
1035 | && row <= font->max_byte1)) | |
1036 | /* Still out of range means this char does not overlap. */ | |
1037 | return 0; | |
1038 | else | |
1039 | /* We found the info for this char. */ | |
1040 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1041 | + row * rowlen); | |
1042 | } | |
dbc4e1c1 | 1043 | |
0cdd0c9f RS |
1044 | return (s && s->lbearing < 0); |
1045 | } | |
dbc4e1c1 | 1046 | |
0cdd0c9f RS |
1047 | /* Return 1 if character C in font F extends past its right edge. */ |
1048 | ||
1049 | static int | |
1050 | font_char_overlap_right (font, c) | |
1051 | XFontStruct *font; | |
1052 | int c; | |
1053 | { | |
1054 | XCharStruct *s; | |
1055 | ||
1056 | /* Find the bounding-box info for C. */ | |
1057 | if (font->per_char == 0) | |
1058 | s = &font->max_bounds; | |
1059 | else | |
1060 | { | |
1061 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1062 | int row, within; | |
1063 | ||
1064 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1065 | row = c >> 8; | |
1066 | within = c & 0177; | |
1067 | if (!(within >= font->min_char_or_byte2 | |
1068 | && within <= font->max_char_or_byte2 | |
1069 | && row >= font->min_byte1 | |
1070 | && row <= font->max_byte1)) | |
1071 | { | |
1072 | /* If char is out of range, try the font's default char instead. */ | |
1073 | c = font->default_char; | |
1074 | row = c >> (INTBITS - 8); | |
1075 | within = c & 0177; | |
1076 | } | |
1077 | if (!(within >= font->min_char_or_byte2 | |
1078 | && within <= font->max_char_or_byte2 | |
1079 | && row >= font->min_byte1 | |
1080 | && row <= font->max_byte1)) | |
1081 | /* Still out of range means this char does not overlap. */ | |
1082 | return 0; | |
1083 | else | |
1084 | /* We found the info for this char. */ | |
1085 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1086 | + row * rowlen); | |
1087 | } | |
1088 | ||
1089 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1090 | } |
0cdd0c9f | 1091 | #endif /* 0 */ |
dc6f92b8 | 1092 | \f |
dbc4e1c1 JB |
1093 | /* Invert the middle quarter of the frame for .15 sec. */ |
1094 | ||
1095 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1096 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1097 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1098 | ||
1099 | /* Subtract the `struct timeval' values X and Y, | |
1100 | storing the result in RESULT. | |
1101 | Return 1 if the difference is negative, otherwise 0. */ | |
1102 | ||
1103 | static int | |
1104 | timeval_subtract (result, x, y) | |
1105 | struct timeval *result, x, y; | |
1106 | { | |
1107 | /* Perform the carry for the later subtraction by updating y. | |
1108 | This is safer because on some systems | |
1109 | the tv_sec member is unsigned. */ | |
1110 | if (x.tv_usec < y.tv_usec) | |
1111 | { | |
1112 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1113 | y.tv_usec -= 1000000 * nsec; | |
1114 | y.tv_sec += nsec; | |
1115 | } | |
1116 | if (x.tv_usec - y.tv_usec > 1000000) | |
1117 | { | |
1118 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1119 | y.tv_usec += 1000000 * nsec; | |
1120 | y.tv_sec -= nsec; | |
1121 | } | |
1122 | ||
1123 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1124 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1125 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1126 | ||
1127 | /* Return indication of whether the result should be considered negative. */ | |
1128 | return x.tv_sec < y.tv_sec; | |
1129 | } | |
dc6f92b8 | 1130 | |
f676886a JB |
1131 | XTflash (f) |
1132 | struct frame *f; | |
dc6f92b8 | 1133 | { |
dbc4e1c1 | 1134 | BLOCK_INPUT; |
dc6f92b8 | 1135 | |
dbc4e1c1 JB |
1136 | { |
1137 | GC gc; | |
dc6f92b8 | 1138 | |
dbc4e1c1 JB |
1139 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1140 | into background pixels. */ | |
1141 | { | |
1142 | XGCValues values; | |
dc6f92b8 | 1143 | |
dbc4e1c1 JB |
1144 | values.function = GXxor; |
1145 | values.foreground = (f->display.x->foreground_pixel | |
1146 | ^ f->display.x->background_pixel); | |
1147 | ||
1148 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
1149 | GCFunction | GCForeground, &values); | |
1150 | } | |
dc6f92b8 | 1151 | |
dbc4e1c1 JB |
1152 | { |
1153 | int width = PIXEL_WIDTH (f); | |
1154 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1155 | |
dbc4e1c1 JB |
1156 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
1157 | width/4, height/4, width/2, height/2); | |
1158 | XFlush (x_current_display); | |
dc6f92b8 | 1159 | |
dbc4e1c1 JB |
1160 | { |
1161 | struct timeval wakeup, now; | |
dc6f92b8 | 1162 | |
66c30ea1 | 1163 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1164 | |
dbc4e1c1 JB |
1165 | /* Compute time to wait until, propagating carry from usecs. */ |
1166 | wakeup.tv_usec += 150000; | |
1167 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1168 | wakeup.tv_usec %= 1000000; | |
1169 | ||
1170 | /* Keep waiting until past the time wakeup. */ | |
1171 | while (1) | |
1172 | { | |
1173 | struct timeval timeout; | |
1174 | ||
66c30ea1 | 1175 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1176 | |
1177 | /* In effect, timeout = wakeup - timeout. | |
1178 | Break if result would be negative. */ | |
1179 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1180 | break; | |
1181 | ||
1182 | /* Try to wait that long--but we might wake up sooner. */ | |
1183 | select (0, 0, 0, 0, &timeout); | |
1184 | } | |
1185 | } | |
1186 | ||
1187 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
1188 | width/4, height/4, width/2, height/2); | |
1189 | XFreeGC (x_current_display, gc); | |
1190 | XFlush (x_current_display); | |
dc6f92b8 | 1191 | } |
dbc4e1c1 JB |
1192 | } |
1193 | ||
1194 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1195 | } |
1196 | ||
dbc4e1c1 JB |
1197 | #endif |
1198 | ||
1199 | ||
dc6f92b8 JB |
1200 | /* Make audible bell. */ |
1201 | ||
1202 | #ifdef HAVE_X11 | |
bc20ebbf | 1203 | #define XRINGBELL XBell (x_current_display, 0) |
c118dd06 | 1204 | #else /* ! defined (HAVE_X11) */ |
bc20ebbf | 1205 | #define XRINGBELL XFeep (0); |
c118dd06 | 1206 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1207 | |
1208 | XTring_bell () | |
1209 | { | |
5a6ef893 RS |
1210 | if (x_current_display == 0) |
1211 | return; | |
1212 | ||
dbc4e1c1 | 1213 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1214 | if (visible_bell) |
f676886a | 1215 | XTflash (selected_frame); |
dc6f92b8 | 1216 | else |
dbc4e1c1 | 1217 | #endif |
dc6f92b8 JB |
1218 | { |
1219 | BLOCK_INPUT; | |
1220 | XRINGBELL; | |
1221 | XFlushQueue (); | |
1222 | UNBLOCK_INPUT; | |
1223 | } | |
1224 | } | |
1225 | \f | |
f451eb13 JB |
1226 | /* Insert and delete character. |
1227 | These are not supposed to be used because we are supposed to turn | |
1228 | off the feature of using them. */ | |
dc6f92b8 JB |
1229 | |
1230 | static | |
1231 | XTinsert_glyphs (start, len) | |
1232 | register char *start; | |
1233 | register int len; | |
1234 | { | |
1235 | abort (); | |
1236 | } | |
1237 | ||
1238 | static | |
1239 | XTdelete_glyphs (n) | |
1240 | register int n; | |
1241 | { | |
1242 | abort (); | |
1243 | } | |
1244 | \f | |
1245 | /* Specify how many text lines, from the top of the window, | |
1246 | should be affected by insert-lines and delete-lines operations. | |
1247 | This, and those operations, are used only within an update | |
1248 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1249 | ||
1250 | static | |
1251 | XTset_terminal_window (n) | |
1252 | register int n; | |
1253 | { | |
f676886a | 1254 | if (updating_frame == 0) |
dc6f92b8 JB |
1255 | abort (); |
1256 | ||
f676886a JB |
1257 | if ((n <= 0) || (n > updating_frame->height)) |
1258 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1259 | else |
1260 | flexlines = n; | |
1261 | } | |
1262 | \f | |
f451eb13 JB |
1263 | /* Perform an insert-lines operation. |
1264 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
1265 | |
1266 | static void | |
1267 | stufflines (n) | |
1268 | register int n; | |
1269 | { | |
1270 | register int topregion, bottomregion; | |
1271 | register int length, newtop, mask; | |
f676886a JB |
1272 | register struct frame *f = updating_frame; |
1273 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1274 | |
1275 | if (curs_y >= flexlines) | |
1276 | return; | |
1277 | ||
1278 | topregion = curs_y; | |
1279 | bottomregion = flexlines - (n + 1); | |
1280 | newtop = topregion + n; | |
1281 | length = (bottomregion - topregion) + 1; | |
1282 | ||
1283 | #ifndef HAVE_X11 | |
1284 | dumpqueue (); | |
c118dd06 | 1285 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1286 | |
1287 | if ((length > 0) && (newtop <= flexlines)) | |
1288 | { | |
1289 | #ifdef HAVE_X11 | |
c118dd06 JB |
1290 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1291 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 1292 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1293 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1294 | length * f->display.x->line_height, intborder, |
12ba150f | 1295 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
1296 | #else /* ! defined (HAVE_X11) */ |
1297 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
1298 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
1299 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a | 1300 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1301 | length * f->display.x->line_height); |
dc6f92b8 JB |
1302 | /* Now we must process any ExposeRegion events that occur |
1303 | if the area being copied from is obscured. | |
1304 | We can't let it wait because further i/d operations | |
1305 | may want to copy this area to another area. */ | |
1306 | x_read_exposes (); | |
c118dd06 | 1307 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1308 | } |
1309 | ||
1310 | newtop = min (newtop, (flexlines - 1)); | |
1311 | length = newtop - topregion; | |
1312 | if (length > 0) | |
1313 | { | |
1314 | #ifdef HAVE_X11 | |
c118dd06 | 1315 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1316 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1317 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1318 | n * f->display.x->line_height, False); |
c118dd06 JB |
1319 | #else /* ! defined (HAVE_X11) */ |
1320 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1321 | intborder, |
12ba150f | 1322 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1323 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1324 | n * f->display.x->line_height, |
f676886a | 1325 | f->display.x->background_pixel); |
c118dd06 | 1326 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1327 | } |
1328 | } | |
1329 | ||
1330 | /* Perform a delete-lines operation, deleting N lines | |
1331 | at a vertical position curs_y. */ | |
1332 | ||
1333 | static void | |
1334 | scraplines (n) | |
1335 | register int n; | |
1336 | { | |
1337 | int mask; | |
f676886a JB |
1338 | register struct frame *f = updating_frame; |
1339 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1340 | |
1341 | if (curs_y >= flexlines) | |
1342 | return; | |
1343 | ||
1344 | #ifndef HAVE_X11 | |
1345 | dumpqueue (); | |
c118dd06 | 1346 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1347 | |
1348 | if ((curs_y + n) >= flexlines) | |
1349 | { | |
1350 | if (flexlines >= (curs_y + 1)) | |
1351 | { | |
1352 | #ifdef HAVE_X11 | |
c118dd06 | 1353 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1354 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a | 1355 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1356 | (flexlines - curs_y) * f->display.x->line_height, False); |
c118dd06 JB |
1357 | #else /* ! defined (HAVE_X11) */ |
1358 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 1359 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a | 1360 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1361 | (flexlines - curs_y) * f->display.x->line_height, |
f676886a | 1362 | f->display.x->background_pixel); |
c118dd06 | 1363 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1364 | } |
1365 | } | |
1366 | else | |
1367 | { | |
1368 | #ifdef HAVE_X11 | |
c118dd06 JB |
1369 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1370 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 1371 | intborder, |
12ba150f | 1372 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a | 1373 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1374 | (flexlines - (curs_y + n)) * f->display.x->line_height, |
12ba150f | 1375 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 1376 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 1377 | intborder, |
12ba150f | 1378 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1379 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1380 | n * f->display.x->line_height, False); |
c118dd06 JB |
1381 | #else /* ! defined (HAVE_X11) */ |
1382 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1383 | intborder, |
12ba150f JB |
1384 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
1385 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 1386 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1387 | (flexlines - (curs_y + n)) * f->display.x->line_height); |
dc6f92b8 JB |
1388 | /* Now we must process any ExposeRegion events that occur |
1389 | if the area being copied from is obscured. | |
1390 | We can't let it wait because further i/d operations | |
1391 | may want to copy this area to another area. */ | |
1392 | x_read_exposes (); | |
c118dd06 | 1393 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 1394 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1395 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1396 | n * f->display.x->line_height, f->display.x->background_pixel); |
c118dd06 | 1397 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1398 | } |
1399 | } | |
1400 | ||
1401 | /* Perform an insert-lines or delete-lines operation, | |
1402 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1403 | ||
1404 | XTins_del_lines (vpos, n) | |
1405 | int vpos, n; | |
1406 | { | |
f676886a | 1407 | if (updating_frame == 0) |
dc6f92b8 JB |
1408 | abort (); |
1409 | ||
90e65f07 | 1410 | /* Hide the cursor. */ |
f676886a | 1411 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1412 | |
1413 | XTcursor_to (vpos, 0); | |
1414 | ||
1415 | BLOCK_INPUT; | |
1416 | if (n >= 0) | |
1417 | stufflines (n); | |
1418 | else | |
1419 | scraplines (-n); | |
1420 | XFlushQueue (); | |
1421 | UNBLOCK_INPUT; | |
1422 | } | |
1423 | \f | |
f451eb13 | 1424 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1425 | static void clear_cursor (); |
1426 | ||
f676886a JB |
1427 | /* Output into a rectangle of an X-window (for frame F) |
1428 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1429 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1430 | ROWS and COLS are the size of the rectangle. |
1431 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1432 | |
1433 | static void | |
f676886a JB |
1434 | dumprectangle (f, left, top, cols, rows) |
1435 | struct frame *f; | |
dc6f92b8 JB |
1436 | register int left, top, cols, rows; |
1437 | { | |
f676886a | 1438 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1439 | int cursor_cleared = 0; |
1440 | int bottom, right; | |
1441 | register int y; | |
1442 | ||
f676886a | 1443 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1444 | return; |
1445 | ||
dc6f92b8 JB |
1446 | /* Express rectangle as four edges, instead of position-and-size. */ |
1447 | bottom = top + rows; | |
1448 | right = left + cols; | |
1449 | ||
1450 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1451 | { |
1452 | int intborder = f->display.x->internal_border_width; | |
1453 | ||
1454 | /* If the rectangle includes any of the internal border area, | |
1455 | redisplay the border emphasis. */ | |
1456 | if (top < intborder || left < intborder | |
a27f9f86 RS |
1457 | || bottom > intborder + f->height * f->display.x->line_height |
1458 | || right > intborder + f->width * f->display.x->line_height) | |
12ba150f JB |
1459 | dumpborder (f, 0); |
1460 | } | |
b8009dd1 | 1461 | #endif /* not HAVE_X11 Window manger does this for X11. */ |
dc6f92b8 JB |
1462 | |
1463 | /* Convert rectangle edges in pixels to edges in chars. | |
1464 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1465 | top = PIXEL_TO_CHAR_ROW (f, top); |
1466 | left = PIXEL_TO_CHAR_COL (f, left); | |
a27f9f86 | 1467 | bottom += (f->display.x->line_height - 1); |
f676886a | 1468 | right += (FONT_WIDTH (f->display.x->font) - 1); |
12ba150f JB |
1469 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1470 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1471 | |
1472 | /* Clip the rectangle to what can be visible. */ | |
1473 | if (left < 0) | |
1474 | left = 0; | |
1475 | if (top < 0) | |
1476 | top = 0; | |
f676886a JB |
1477 | if (right > f->width) |
1478 | right = f->width; | |
1479 | if (bottom > f->height) | |
1480 | bottom = f->height; | |
dc6f92b8 JB |
1481 | |
1482 | /* Get size in chars of the rectangle. */ | |
1483 | cols = right - left; | |
1484 | rows = bottom - top; | |
1485 | ||
1486 | /* If rectangle has zero area, return. */ | |
1487 | if (rows <= 0) return; | |
1488 | if (cols <= 0) return; | |
1489 | ||
1490 | /* Turn off the cursor if it is in the rectangle. | |
1491 | We will turn it back on afterward. */ | |
f676886a JB |
1492 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1493 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1494 | { |
f676886a | 1495 | clear_cursor (f); |
dc6f92b8 JB |
1496 | cursor_cleared = 1; |
1497 | } | |
1498 | ||
1499 | /* Display the text in the rectangle, one text line at a time. */ | |
1500 | ||
1501 | for (y = top; y < bottom; y++) | |
1502 | { | |
f676886a | 1503 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1504 | |
f676886a | 1505 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1506 | continue; |
1507 | ||
f676886a | 1508 | dumpglyphs (f, |
12ba150f JB |
1509 | CHAR_TO_PIXEL_COL (f, left), |
1510 | CHAR_TO_PIXEL_ROW (f, y), | |
1511 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1512 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1513 | } |
1514 | ||
1515 | /* Turn the cursor on if we turned it off. */ | |
1516 | ||
1517 | if (cursor_cleared) | |
f676886a | 1518 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1519 | } |
1520 | ||
1521 | #ifndef HAVE_X11 | |
1522 | /* Process all queued ExposeRegion events. */ | |
1523 | ||
1524 | static void | |
1525 | dumpqueue () | |
1526 | { | |
1527 | register int i; | |
1528 | XExposeRegionEvent r; | |
1529 | ||
1530 | while (dequeue_event (&r, &x_expose_queue)) | |
1531 | { | |
f676886a JB |
1532 | struct frame *f = x_window_to_frame (r.window); |
1533 | if (f->display.x->icon_desc == r.window) | |
1534 | refreshicon (f); | |
dc6f92b8 | 1535 | else |
f676886a | 1536 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1537 | } |
1538 | XFlushQueue (); | |
1539 | } | |
c118dd06 | 1540 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1541 | \f |
f451eb13 | 1542 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1543 | Redraws the cursor if necessary on any frame that |
1544 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1545 | |
f451eb13 | 1546 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1547 | static void |
1548 | x_do_pending_expose () | |
1549 | { | |
1550 | int mask; | |
f676886a JB |
1551 | struct frame *f; |
1552 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1553 | |
1554 | if (expose_all_windows) | |
1555 | { | |
1556 | expose_all_windows = 0; | |
f676886a | 1557 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1558 | { |
1559 | register int temp_width, temp_height; | |
1560 | int intborder; | |
1561 | ||
f676886a | 1562 | frame = XCONS (tail)->car; |
ab648270 | 1563 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1564 | continue; |
f676886a | 1565 | f = XFRAME (frame); |
b1c884c3 | 1566 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1567 | continue; |
3a88c238 | 1568 | if (!f->async_visible) |
dc6f92b8 | 1569 | continue; |
f676886a | 1570 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1571 | continue; |
1572 | ||
f676886a | 1573 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1574 | |
f676886a | 1575 | clear_cursor (f); |
c118dd06 | 1576 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1577 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1578 | - f->display.x->v_scroll_bar_width) |
f676886a | 1579 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1580 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1581 | - f->display.x->h_scroll_bar_height) |
a27f9f86 | 1582 | / f->display.x->line_height); |
f676886a | 1583 | if (temp_width != f->width || temp_height != f->height) |
dc6f92b8 | 1584 | { |
f676886a | 1585 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1586 | max (1, temp_width), 0, 1); |
ab648270 | 1587 | x_resize_scroll_bars (f); |
dc6f92b8 | 1588 | } |
f676886a JB |
1589 | f->display.x->left_pos = windowinfo.x; |
1590 | f->display.x->top_pos = windowinfo.y; | |
1591 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1592 | #if 0 |
f676886a | 1593 | dumpborder (f, 0); |
c118dd06 | 1594 | #endif /* ! 0 */ |
f676886a JB |
1595 | f->display.x->needs_exposure = 0; |
1596 | if (updating_frame != f) | |
1597 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1598 | XFlushQueue (); |
1599 | } | |
1600 | } | |
1601 | else | |
1602 | /* Handle any individual-rectangle expose events queued | |
1603 | for various windows. */ | |
1604 | #ifdef HAVE_X11 | |
1605 | ; | |
c118dd06 | 1606 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1607 | dumpqueue (); |
c118dd06 | 1608 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1609 | } |
f451eb13 | 1610 | #endif |
dc6f92b8 JB |
1611 | |
1612 | #ifdef HAVE_X11 | |
1613 | static void | |
f676886a JB |
1614 | frame_highlight (frame) |
1615 | struct frame *frame; | |
dc6f92b8 | 1616 | { |
b3e1e05c JB |
1617 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1618 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1619 | and border pixel are window attributes which are "private to the | |
1620 | client", so we can always change it to whatever we want. */ | |
1621 | BLOCK_INPUT; | |
1622 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), | |
1623 | frame->display.x->border_pixel); | |
1624 | UNBLOCK_INPUT; | |
f676886a | 1625 | x_display_cursor (frame, 1); |
dc6f92b8 JB |
1626 | } |
1627 | ||
1628 | static void | |
f676886a JB |
1629 | frame_unhighlight (frame) |
1630 | struct frame *frame; | |
dc6f92b8 | 1631 | { |
b3e1e05c JB |
1632 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1633 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1634 | and border pixel are window attributes which are "private to the | |
1635 | client", so we can always change it to whatever we want. */ | |
1636 | BLOCK_INPUT; | |
1637 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), | |
1638 | frame->display.x->border_tile); | |
1639 | UNBLOCK_INPUT; | |
f676886a | 1640 | x_display_cursor (frame, 1); |
dc6f92b8 | 1641 | } |
c118dd06 | 1642 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1643 | /* Dump the border-emphasis of frame F. |
1644 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1645 | just within the border, occupying a portion of the internal border. |
f676886a | 1646 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1647 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1648 | ||
f676886a | 1649 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1650 | In that case, we also turn the cursor off and on again |
1651 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1652 | ||
1653 | static void | |
f676886a JB |
1654 | dumpborder (f, always) |
1655 | struct frame *f; | |
dc6f92b8 JB |
1656 | int always; |
1657 | { | |
f676886a JB |
1658 | int thickness = f->display.x->internal_border_width / 2; |
1659 | int width = PIXEL_WIDTH (f); | |
1660 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1661 | int pixel; |
1662 | ||
f676886a | 1663 | if (f != selected_frame) |
dc6f92b8 JB |
1664 | { |
1665 | if (!always) | |
1666 | return; | |
1667 | ||
f676886a | 1668 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1669 | } |
1670 | else | |
1671 | { | |
f676886a | 1672 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1673 | } |
1674 | ||
c118dd06 JB |
1675 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1676 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1677 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1678 | thickness, pixel); |
c118dd06 | 1679 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1680 | height, pixel); |
1681 | ||
1682 | if (always) | |
f676886a | 1683 | x_display_cursor (f, 1); |
dc6f92b8 | 1684 | } |
c118dd06 | 1685 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1686 | |
f676886a | 1687 | static void XTframe_rehighlight (); |
6d4238f3 | 1688 | |
f676886a JB |
1689 | /* The focus has changed. Update the frames as necessary to reflect |
1690 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1691 | here, because the lisp code we are interrupting might become confused. |
eb8c3be9 | 1692 | Each event gets marked with the frame in which it occurred, so the |
6d4238f3 | 1693 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1694 | |
6d4238f3 | 1695 | static void |
f676886a JB |
1696 | x_new_focus_frame (frame) |
1697 | struct frame *frame; | |
dc6f92b8 | 1698 | { |
f676886a | 1699 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1700 | int events_enqueued = 0; |
1701 | ||
f676886a | 1702 | if (frame != x_focus_frame) |
dc6f92b8 | 1703 | { |
6d4238f3 | 1704 | /* Set this before calling other routines, so that they see |
f676886a JB |
1705 | the correct value of x_focus_frame. */ |
1706 | x_focus_frame = frame; | |
6d4238f3 JB |
1707 | |
1708 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1709 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1710 | |
1711 | #if 0 | |
f676886a JB |
1712 | selected_frame = frame; |
1713 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1714 | Lisp_Frame, selected_frame); | |
1715 | Fselect_window (selected_frame->selected_window); | |
1716 | choose_minibuf_frame (); | |
c118dd06 | 1717 | #endif /* ! 0 */ |
dc6f92b8 | 1718 | |
f676886a JB |
1719 | if (x_focus_frame && x_focus_frame->auto_raise) |
1720 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1721 | } |
dc6f92b8 | 1722 | |
f676886a | 1723 | XTframe_rehighlight (); |
6d4238f3 JB |
1724 | } |
1725 | ||
1726 | ||
f451eb13 JB |
1727 | /* The focus has changed, or we have redirected a frame's focus to |
1728 | another frame (this happens when a frame uses a surrogate | |
1729 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1730 | static void |
f676886a | 1731 | XTframe_rehighlight () |
6d4238f3 | 1732 | { |
f676886a | 1733 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1734 | |
f676886a | 1735 | if (x_focus_frame) |
6d4238f3 | 1736 | { |
f451eb13 | 1737 | x_highlight_frame = |
ab648270 | 1738 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1739 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1740 | : x_focus_frame); | |
1741 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1742 | { | |
1743 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1744 | x_highlight_frame = x_focus_frame; | |
1745 | } | |
dc6f92b8 | 1746 | } |
6d4238f3 | 1747 | else |
f676886a | 1748 | x_highlight_frame = 0; |
dc6f92b8 | 1749 | |
f676886a | 1750 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1751 | { |
1752 | if (old_highlight) | |
f676886a JB |
1753 | frame_unhighlight (old_highlight); |
1754 | if (x_highlight_frame) | |
1755 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1756 | } |
dc6f92b8 JB |
1757 | } |
1758 | \f | |
e4571a43 | 1759 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1760 | |
28430d3c JB |
1761 | /* Which modifier keys are on which modifier bits? |
1762 | ||
1763 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1764 | keys were held down when the key was pressed. The interpretation |
1765 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1766 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1767 | is the meta bit. | |
1768 | ||
1769 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1770 | It may have more than one bit set, if more than one modifier bit | |
1771 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1772 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1773 | ||
1774 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1775 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1776 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1777 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1778 | arrangement, the lock modifier should shift the character if | |
1779 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1780 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1781 | |
a3c44b14 RS |
1782 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1783 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1784 | ||
28430d3c JB |
1785 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1786 | static void | |
1787 | x_find_modifier_meanings () | |
1788 | { | |
f689eb05 | 1789 | int min_code, max_code; |
28430d3c JB |
1790 | KeySym *syms; |
1791 | int syms_per_code; | |
1792 | XModifierKeymap *mods; | |
1793 | ||
1794 | x_meta_mod_mask = 0; | |
11edeb03 | 1795 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1796 | x_alt_mod_mask = 0; |
1797 | x_super_mod_mask = 0; | |
1798 | x_hyper_mod_mask = 0; | |
28430d3c | 1799 | |
9658a521 | 1800 | #ifdef HAVE_X11R4 |
28430d3c | 1801 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1802 | #else |
1803 | min_code = x_current_display->min_keycode; | |
1804 | max_code = x_current_display->max_keycode; | |
1805 | #endif | |
1806 | ||
28430d3c JB |
1807 | syms = XGetKeyboardMapping (x_current_display, |
1808 | min_code, max_code - min_code + 1, | |
1809 | &syms_per_code); | |
1810 | mods = XGetModifierMapping (x_current_display); | |
1811 | ||
11edeb03 JB |
1812 | /* Scan the modifier table to see which modifier bits the Meta and |
1813 | Alt keysyms are on. */ | |
28430d3c JB |
1814 | { |
1815 | int row, col; /* The row and column in the modifier table. */ | |
1816 | ||
1817 | for (row = 3; row < 8; row++) | |
1818 | for (col = 0; col < mods->max_keypermod; col++) | |
1819 | { | |
1820 | KeyCode code = | |
1821 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1822 | ||
af92970c KH |
1823 | /* Zeroes are used for filler. Skip them. */ |
1824 | if (code == 0) | |
1825 | continue; | |
1826 | ||
28430d3c JB |
1827 | /* Are any of this keycode's keysyms a meta key? */ |
1828 | { | |
1829 | int code_col; | |
1830 | ||
1831 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1832 | { | |
f689eb05 | 1833 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1834 | |
f689eb05 | 1835 | switch (sym) |
28430d3c | 1836 | { |
f689eb05 JB |
1837 | case XK_Meta_L: |
1838 | case XK_Meta_R: | |
28430d3c JB |
1839 | x_meta_mod_mask |= (1 << row); |
1840 | break; | |
f689eb05 JB |
1841 | |
1842 | case XK_Alt_L: | |
1843 | case XK_Alt_R: | |
a3c44b14 RS |
1844 | x_alt_mod_mask |= (1 << row); |
1845 | break; | |
1846 | ||
1847 | case XK_Hyper_L: | |
1848 | case XK_Hyper_R: | |
1849 | x_hyper_mod_mask |= (1 << row); | |
1850 | break; | |
1851 | ||
1852 | case XK_Super_L: | |
1853 | case XK_Super_R: | |
1854 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1855 | break; |
11edeb03 JB |
1856 | |
1857 | case XK_Shift_Lock: | |
1858 | /* Ignore this if it's not on the lock modifier. */ | |
1859 | if ((1 << row) == LockMask) | |
1860 | x_shift_lock_mask = LockMask; | |
1861 | break; | |
28430d3c JB |
1862 | } |
1863 | } | |
1864 | } | |
1865 | } | |
1866 | } | |
1867 | ||
f689eb05 JB |
1868 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1869 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1870 | { |
1871 | x_meta_mod_mask = x_alt_mod_mask; | |
1872 | x_alt_mod_mask = 0; | |
1873 | } | |
f689eb05 | 1874 | |
148c4b70 RS |
1875 | /* If some keys are both alt and meta, |
1876 | make them just meta, not alt. */ | |
1877 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1878 | { | |
1879 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1880 | } | |
1881 | ||
28430d3c | 1882 | XFree ((char *) syms); |
f689eb05 | 1883 | XFreeModifiermap (mods); |
28430d3c JB |
1884 | } |
1885 | ||
dfeccd2d JB |
1886 | /* Convert between the modifier bits X uses and the modifier bits |
1887 | Emacs uses. */ | |
7c5283e4 | 1888 | static unsigned int |
dfeccd2d | 1889 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1890 | unsigned int state; |
1891 | { | |
11edeb03 JB |
1892 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1893 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1894 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1895 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1896 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1897 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1898 | } |
1899 | ||
dfeccd2d JB |
1900 | static unsigned int |
1901 | x_emacs_to_x_modifiers (state) | |
1902 | unsigned int state; | |
1903 | { | |
1904 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1905 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1906 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1907 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1908 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1909 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1910 | } | |
1911 | ||
e4571a43 JB |
1912 | /* Return true iff KEYSYM is a vendor-specific keysym that we should |
1913 | return as a function key. If you add a keysym to this, you should | |
1914 | make sure that the tables make_lispy_event uses contain a suitable | |
1915 | name for it. */ | |
1916 | static int | |
1917 | x_is_vendor_fkey (sym) | |
1918 | KeySym sym; | |
1919 | { | |
1920 | return 0 | |
1921 | #ifdef DXK_Remove | |
1922 | || (sym == DXK_Remove) | |
1923 | #endif | |
1924 | ; | |
1925 | } | |
1926 | ||
1927 | \f | |
1928 | /* Mouse clicks and mouse movement. Rah. */ | |
1929 | #ifdef HAVE_X11 | |
1930 | ||
1931 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1932 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1933 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1934 | If NOCLIP is nonzero, do not force the value into range. */ | |
1935 | ||
c8dba240 | 1936 | void |
69388238 | 1937 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1938 | FRAME_PTR f; |
69388238 | 1939 | register int pix_x, pix_y; |
e4571a43 JB |
1940 | register int *x, *y; |
1941 | XRectangle *bounds; | |
69388238 | 1942 | int noclip; |
e4571a43 | 1943 | { |
69388238 RS |
1944 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1945 | even for negative values. */ | |
1946 | if (pix_x < 0) | |
1947 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1948 | if (pix_y < 0) | |
a27f9f86 | 1949 | pix_y -= (f)->display.x->line_height - 1; |
69388238 | 1950 | |
e4571a43 JB |
1951 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1952 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1953 | ||
1954 | if (bounds) | |
1955 | { | |
1956 | bounds->width = FONT_WIDTH (f->display.x->font); | |
a27f9f86 | 1957 | bounds->height = f->display.x->line_height; |
e4571a43 JB |
1958 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1959 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1960 | } | |
1961 | ||
69388238 RS |
1962 | if (!noclip) |
1963 | { | |
1964 | if (pix_x < 0) | |
1965 | pix_x = 0; | |
1966 | else if (pix_x > f->width) | |
1967 | pix_x = f->width; | |
1968 | ||
1969 | if (pix_y < 0) | |
1970 | pix_y = 0; | |
1971 | else if (pix_y > f->height) | |
1972 | pix_y = f->height; | |
1973 | } | |
e4571a43 JB |
1974 | |
1975 | *x = pix_x; | |
1976 | *y = pix_y; | |
1977 | } | |
1978 | ||
2b5c9e71 RS |
1979 | void |
1980 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1981 | FRAME_PTR f; | |
1982 | register int x, y; | |
1983 | register int *pix_x, *pix_y; | |
1984 | { | |
1985 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1986 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1987 | } | |
1988 | ||
dc6f92b8 JB |
1989 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1990 | ||
1991 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1992 | the mouse. */ |
dc6f92b8 JB |
1993 | |
1994 | static Lisp_Object | |
f451eb13 | 1995 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1996 | struct input_event *result; |
1997 | XButtonEvent *event; | |
f676886a | 1998 | struct frame *f; |
dc6f92b8 | 1999 | { |
f451eb13 | 2000 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 2001 | otherwise. */ |
f451eb13 | 2002 | result->kind = mouse_click; |
69388238 | 2003 | result->code = event->button - Button1; |
1113d9db | 2004 | result->timestamp = event->time; |
dfeccd2d | 2005 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
2006 | | (event->type == ButtonRelease |
2007 | ? up_modifier | |
2008 | : down_modifier)); | |
dc6f92b8 JB |
2009 | |
2010 | /* Notice if the mouse is still grabbed. */ | |
2011 | if (event->type == ButtonPress) | |
2012 | { | |
2013 | if (! x_mouse_grabbed) | |
2014 | Vmouse_depressed = Qt; | |
90e65f07 | 2015 | x_mouse_grabbed |= (1 << event->button); |
69388238 | 2016 | last_mouse_frame = f; |
dc6f92b8 JB |
2017 | } |
2018 | else if (event->type == ButtonRelease) | |
2019 | { | |
90e65f07 | 2020 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
2021 | if (!x_mouse_grabbed) |
2022 | Vmouse_depressed = Qnil; | |
2023 | } | |
2024 | ||
f451eb13 JB |
2025 | { |
2026 | int row, column; | |
dc6f92b8 | 2027 | |
2b5c9e71 | 2028 | #if 0 |
69388238 | 2029 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
f451eb13 JB |
2030 | XFASTINT (result->x) = column; |
2031 | XFASTINT (result->y) = row; | |
2b5c9e71 | 2032 | #endif |
09fe4c31 RS |
2033 | XSET (result->x, Lisp_Int, event->x); |
2034 | XSET (result->y, Lisp_Int, event->y); | |
12ba150f | 2035 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 2036 | } |
dc6f92b8 | 2037 | } |
b849c413 RS |
2038 | |
2039 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
2040 | ||
2041 | static Lisp_Object | |
2042 | construct_menu_click (result, event, f) | |
2043 | struct input_event *result; | |
2044 | XButtonEvent *event; | |
2045 | struct frame *f; | |
2046 | { | |
2047 | /* Make the event type no_event; we'll change that when we decide | |
2048 | otherwise. */ | |
2049 | result->kind = mouse_click; | |
2050 | XSET (result->code, Lisp_Int, event->button - Button1); | |
2051 | result->timestamp = event->time; | |
2052 | result->modifiers = (x_x_to_emacs_modifiers (event->state) | |
2053 | | (event->type == ButtonRelease | |
2054 | ? up_modifier | |
2055 | : down_modifier)); | |
2056 | ||
09fe4c31 RS |
2057 | XSET (result->x, Lisp_Int, event->x); |
2058 | XSET (result->y, Lisp_Int, -1); | |
c8dba240 | 2059 | XSET (result->frame_or_window, Lisp_Frame, f); |
b849c413 | 2060 | } |
69388238 | 2061 | \f |
90e65f07 JB |
2062 | /* Function to report a mouse movement to the mainstream Emacs code. |
2063 | The input handler calls this. | |
2064 | ||
2065 | We have received a mouse movement event, which is given in *event. | |
2066 | If the mouse is over a different glyph than it was last time, tell | |
2067 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
2068 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 2069 | |
90e65f07 | 2070 | static void |
12ba150f | 2071 | note_mouse_movement (frame, event) |
f676886a | 2072 | FRAME_PTR frame; |
90e65f07 JB |
2073 | XMotionEvent *event; |
2074 | ||
2075 | { | |
e5d77022 JB |
2076 | last_mouse_movement_time = event->time; |
2077 | ||
90e65f07 JB |
2078 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
2079 | if (event->x < last_mouse_glyph.x | |
2080 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
2081 | || event->y < last_mouse_glyph.y | |
2082 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
2083 | { |
2084 | mouse_moved = 1; | |
ab648270 | 2085 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
2086 | |
2087 | note_mouse_highlight (frame, event->x, event->y); | |
2088 | ||
2089 | /* Ask for another mouse motion event. */ | |
2090 | { | |
2091 | int dummy; | |
2092 | ||
2093 | XQueryPointer (event->display, event->window, | |
2094 | (Window *) &dummy, (Window *) &dummy, | |
2095 | &dummy, &dummy, &dummy, &dummy, | |
2096 | (unsigned int *) &dummy); | |
2097 | } | |
12ba150f | 2098 | } |
90e65f07 JB |
2099 | else |
2100 | { | |
2101 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
2102 | event the next time the mouse moves and we can see if it's | |
2103 | *still* on the same glyph. */ | |
2104 | int dummy; | |
2105 | ||
2106 | XQueryPointer (event->display, event->window, | |
2107 | (Window *) &dummy, (Window *) &dummy, | |
2108 | &dummy, &dummy, &dummy, &dummy, | |
2109 | (unsigned int *) &dummy); | |
2110 | } | |
2111 | } | |
2112 | ||
bf1c0ba1 RS |
2113 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
2114 | static int disable_mouse_highlight; | |
2115 | ||
b8009dd1 RS |
2116 | /* Take proper action when the mouse has moved to position X, Y on frame F |
2117 | as regards highlighting characters that have mouse-face properties. | |
2118 | Also dehighlighting chars where the mouse was before. */ | |
2119 | ||
2120 | static void | |
2121 | note_mouse_highlight (f, x, y) | |
2122 | FRAME_PTR f; | |
2123 | { | |
2124 | int row, column, portion; | |
2125 | XRectangle new_glyph; | |
2126 | Lisp_Object window; | |
2127 | struct window *w; | |
2128 | ||
bf1c0ba1 RS |
2129 | if (disable_mouse_highlight) |
2130 | return; | |
2131 | ||
b8009dd1 RS |
2132 | mouse_face_mouse_x = x; |
2133 | mouse_face_mouse_y = y; | |
2134 | mouse_face_mouse_frame = f; | |
2135 | ||
2136 | if (mouse_face_defer) | |
2137 | return; | |
2138 | ||
514e4681 RS |
2139 | if (gc_in_progress) |
2140 | { | |
2141 | mouse_face_deferred_gc = 1; | |
2142 | return; | |
2143 | } | |
2144 | ||
b8009dd1 RS |
2145 | /* Find out which glyph the mouse is on. */ |
2146 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
2147 | &new_glyph, x_mouse_grabbed); | |
2148 | ||
2149 | /* Which window is that in? */ | |
2150 | window = window_from_coordinates (f, column, row, &portion); | |
2151 | w = XWINDOW (window); | |
2152 | ||
2153 | /* If we were displaying active text in another window, clear that. */ | |
2154 | if (! EQ (window, mouse_face_window)) | |
2155 | clear_mouse_face (); | |
2156 | ||
0cdd0c9f RS |
2157 | /* Are we in a window whose display is up to date? |
2158 | And verify the buffer's text has not changed. */ | |
b8009dd1 | 2159 | if (WINDOWP (window) && portion == 0 |
0cdd0c9f RS |
2160 | && EQ (w->window_end_valid, w->buffer) |
2161 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
2162 | { |
2163 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
2164 | int i, pos; | |
2165 | ||
2166 | /* Find which buffer position the mouse corresponds to. */ | |
2167 | for (i = column; i >= 0; i--) | |
2168 | if (ptr[i] > 0) | |
2169 | break; | |
2170 | pos = ptr[i]; | |
2171 | /* Is it outside the displayed active region (if any)? */ | |
2172 | if (pos > 0 | |
2173 | && ! (EQ (window, mouse_face_window) | |
2174 | && pos >= mouse_face_beg && pos < mouse_face_end)) | |
2175 | { | |
2176 | Lisp_Object mouse_face, overlay, position; | |
2177 | Lisp_Object *overlay_vec; | |
2178 | int len, noverlays, ignor1; | |
f8bdb8e6 | 2179 | struct buffer *obuf; |
e444162e | 2180 | int obegv, ozv; |
f8bdb8e6 | 2181 | |
e444162e RS |
2182 | /* If we get an out-of-range value, return now; avoid an error. */ |
2183 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 2184 | return; |
b8009dd1 | 2185 | |
09fe4c31 RS |
2186 | /* Make the window's buffer temporarily current for |
2187 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 2188 | obuf = current_buffer; |
09fe4c31 | 2189 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
2190 | obegv = BEGV; |
2191 | ozv = ZV; | |
2192 | BEGV = BEG; | |
2193 | ZV = Z; | |
09fe4c31 | 2194 | |
b8009dd1 RS |
2195 | /* Yes. Clear the display of the old active region, if any. */ |
2196 | clear_mouse_face (); | |
2197 | ||
2198 | /* Is this char mouse-active? */ | |
2199 | XSET (position, Lisp_Int, pos); | |
2200 | ||
2201 | len = 10; | |
2202 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
2203 | ||
2204 | /* Put all the overlays we want in a vector in overlay_vec. | |
2205 | Store the length in len. */ | |
2206 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, &ignor1); | |
09fe4c31 | 2207 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
2208 | |
2209 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
2210 | overlay = Qnil; | |
2211 | for (i = 0; i < noverlays; i++) | |
2212 | { | |
2213 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2214 | if (!NILP (mouse_face)) | |
2215 | { | |
2216 | overlay = overlay_vec[i]; | |
2217 | break; | |
2218 | } | |
2219 | } | |
2220 | free (overlay_vec); | |
2221 | /* If no overlay applies, get a text property. */ | |
2222 | if (NILP (overlay)) | |
2223 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
2224 | ||
2225 | /* Handle the overlay case. */ | |
2226 | if (! NILP (overlay)) | |
2227 | { | |
2228 | /* Find the range of text around this char that | |
2229 | should be active. */ | |
2230 | Lisp_Object before, after; | |
2231 | int ignore; | |
2232 | ||
2233 | before = Foverlay_start (overlay); | |
2234 | after = Foverlay_end (overlay); | |
2235 | /* Record this as the current active region. */ | |
2236 | mouse_face_beg = XFASTINT (before); | |
2237 | mouse_face_end = XFASTINT (after); | |
2238 | mouse_face_window = window; | |
2239 | mouse_face_face_id = compute_char_face (f, w, pos, 0, 0, | |
2240 | &ignore, pos + 1, 1); | |
2241 | ||
2242 | /* Display it as active. */ | |
2243 | show_mouse_face (1); | |
2244 | } | |
2245 | /* Handle the text property case. */ | |
2246 | else if (! NILP (mouse_face)) | |
2247 | { | |
2248 | /* Find the range of text around this char that | |
2249 | should be active. */ | |
2250 | Lisp_Object before, after, beginning, end; | |
2251 | int ignore; | |
2252 | ||
2253 | beginning = Fmarker_position (w->start); | |
2254 | XSET (end, Lisp_Int, | |
09fe4c31 | 2255 | (BUF_Z (XBUFFER (w->buffer)) |
b8009dd1 RS |
2256 | - XFASTINT (w->window_end_pos))); |
2257 | before | |
2258 | = Fprevious_single_property_change (make_number (pos + 1), | |
2259 | Qmouse_face, | |
2260 | w->buffer, beginning); | |
2261 | after | |
2262 | = Fnext_single_property_change (position, Qmouse_face, | |
2263 | w->buffer, end); | |
2264 | /* Record this as the current active region. */ | |
2265 | mouse_face_beg = XFASTINT (before); | |
2266 | mouse_face_end = XFASTINT (after); | |
2267 | mouse_face_window = window; | |
2268 | mouse_face_face_id | |
2269 | = compute_char_face (f, w, pos, 0, 0, | |
2270 | &ignore, pos + 1, 1); | |
2271 | ||
2272 | /* Display it as active. */ | |
2273 | show_mouse_face (1); | |
2274 | } | |
e444162e RS |
2275 | BEGV = obegv; |
2276 | ZV = ozv; | |
09fe4c31 | 2277 | current_buffer = obuf; |
b8009dd1 RS |
2278 | } |
2279 | else if (pos <= 0) | |
2280 | clear_mouse_face (); | |
2281 | } | |
2282 | } | |
2283 | \f | |
2284 | /* Find the row and column of position POS in window WINDOW. | |
2285 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2286 | This assumes display in WINDOW is up to date. |
2287 | If POS is above start of WINDOW, return coords | |
2288 | of start of first screen line. | |
2289 | If POS is after end of WINDOW, return coords of end of last screen line. */ | |
b8009dd1 RS |
2290 | |
2291 | static int | |
2292 | fast_find_position (window, pos, columnp, rowp) | |
2293 | Lisp_Object window; | |
2294 | int pos; | |
2295 | int *columnp, *rowp; | |
2296 | { | |
2297 | struct window *w = XWINDOW (window); | |
2298 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2299 | int i; | |
2300 | int row; | |
2301 | int left = w->left; | |
2302 | int top = w->top; | |
2303 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2304 | int width = window_internal_width (w); | |
2305 | int *charstarts; | |
bf1c0ba1 | 2306 | int lastcol; |
b8009dd1 RS |
2307 | |
2308 | for (i = 0; | |
2309 | i < height; | |
2310 | i++) | |
2311 | { | |
2312 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2313 | if (linestart > pos) | |
2314 | break; | |
2315 | if (linestart > 0) | |
2316 | row = i; | |
2317 | } | |
2318 | ||
2319 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; | |
bf1c0ba1 | 2320 | lastcol = left; |
b8009dd1 | 2321 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2322 | { |
2323 | if (charstarts[left + i] == pos) | |
2324 | { | |
2325 | *rowp = row + top; | |
2326 | *columnp = i + left; | |
2327 | return 1; | |
2328 | } | |
2329 | else if (charstarts[left + i] > pos) | |
2330 | lastcol = left + i; | |
2331 | } | |
b8009dd1 | 2332 | |
bf1c0ba1 RS |
2333 | *rowp = row + top; |
2334 | *columnp = lastcol; | |
b8009dd1 RS |
2335 | return 0; |
2336 | } | |
2337 | ||
2338 | /* Display the active region described by mouse_face_* | |
2339 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2340 | ||
2341 | static void | |
2342 | show_mouse_face (hl) | |
2343 | int hl; | |
2344 | { | |
2345 | int begcol, begrow, endcol, endrow; | |
2346 | struct window *w = XWINDOW (mouse_face_window); | |
2347 | int width = window_internal_width (w); | |
2348 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2349 | int i; | |
514e4681 RS |
2350 | int curs_x = f->phys_cursor_x; |
2351 | int curs_y = f->phys_cursor_y; | |
2352 | int cursor_off = 0; | |
b8009dd1 RS |
2353 | |
2354 | fast_find_position (mouse_face_window, mouse_face_beg, | |
2355 | &begcol, &begrow); | |
2356 | fast_find_position (mouse_face_window, mouse_face_end, | |
2357 | &endcol, &endrow); | |
2358 | ||
b8009dd1 RS |
2359 | for (i = begrow; i <= endrow; i++) |
2360 | { | |
2361 | int column = (i == begrow ? begcol : w->left); | |
2362 | int endcolumn = (i == endrow ? endcol : w->left + width); | |
514e4681 RS |
2363 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i] - w->left); |
2364 | ||
2365 | /* If the cursor's in the text we are about to rewrite, | |
2366 | turn the cursor off. */ | |
2367 | if (i == curs_y | |
2368 | && (curs_x >= begrow - 1 || curs_x <= endrow)) | |
2369 | { | |
2370 | x_display_cursor (f, 0); | |
2371 | cursor_off = 1; | |
2372 | } | |
b8009dd1 RS |
2373 | |
2374 | dumpglyphs (f, | |
2375 | CHAR_TO_PIXEL_COL (f, column), | |
2376 | CHAR_TO_PIXEL_ROW (f, i), | |
2377 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2378 | endcolumn - column, | |
2379 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2380 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2381 | } |
2382 | ||
514e4681 RS |
2383 | /* If we turned the cursor off, turn it back on. */ |
2384 | if (cursor_off) | |
2385 | x_display_cursor (f, 1); | |
27ead1d5 FP |
2386 | |
2387 | /* Change the mouse cursor according to the value of HL. */ | |
2388 | if (hl > 0) | |
2389 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->cross_cursor); | |
2390 | else | |
2391 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->text_cursor); | |
b8009dd1 RS |
2392 | } |
2393 | ||
2394 | /* Clear out the mouse-highlighted active region. | |
2395 | Redraw it unhighlighted first. */ | |
2396 | ||
2397 | static void | |
2398 | clear_mouse_face () | |
2399 | { | |
2400 | if (! NILP (mouse_face_window)) | |
2401 | show_mouse_face (0); | |
2402 | ||
2403 | mouse_face_beg = -1; | |
2404 | mouse_face_end = -1; | |
2405 | mouse_face_window = Qnil; | |
2406 | } | |
2407 | \f | |
ab648270 JB |
2408 | static struct scroll_bar *x_window_to_scroll_bar (); |
2409 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2410 | |
90e65f07 JB |
2411 | /* Return the current position of the mouse. |
2412 | ||
ab648270 JB |
2413 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
2414 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 2415 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2416 | position on the scroll bar. |
12ba150f JB |
2417 | |
2418 | If the mouse movement started elsewhere, set *f to the frame the | |
2419 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2420 | the mouse is over. | |
2421 | ||
2422 | Set *time to the server timestamp for the time at which the mouse | |
2423 | was at this position. | |
2424 | ||
a135645a RS |
2425 | Don't store anything if we don't have a valid set of values to report. |
2426 | ||
90e65f07 | 2427 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2428 | movement. This also calls XQueryPointer, which will cause the |
2429 | server to give us another MotionNotify when the mouse moves | |
2430 | again. */ | |
90e65f07 JB |
2431 | |
2432 | static void | |
12ba150f | 2433 | XTmouse_position (f, bar_window, part, x, y, time) |
472895ad | 2434 | FRAME_PTR *f; |
12ba150f | 2435 | Lisp_Object *bar_window; |
ab648270 | 2436 | enum scroll_bar_part *part; |
90e65f07 | 2437 | Lisp_Object *x, *y; |
e5d77022 | 2438 | unsigned long *time; |
90e65f07 | 2439 | { |
a135645a RS |
2440 | FRAME_PTR f1; |
2441 | ||
90e65f07 JB |
2442 | BLOCK_INPUT; |
2443 | ||
ab648270 JB |
2444 | if (! NILP (last_mouse_scroll_bar)) |
2445 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
2446 | else |
2447 | { | |
12ba150f JB |
2448 | Window root; |
2449 | int root_x, root_y; | |
90e65f07 | 2450 | |
12ba150f JB |
2451 | Window dummy_window; |
2452 | int dummy; | |
2453 | ||
2454 | mouse_moved = 0; | |
ab648270 | 2455 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2456 | |
2457 | /* Figure out which root window we're on. */ | |
2458 | XQueryPointer (x_current_display, | |
2459 | DefaultRootWindow (x_current_display), | |
2460 | ||
2461 | /* The root window which contains the pointer. */ | |
2462 | &root, | |
2463 | ||
2464 | /* Trash which we can't trust if the pointer is on | |
2465 | a different screen. */ | |
2466 | &dummy_window, | |
2467 | ||
2468 | /* The position on that root window. */ | |
2469 | &root_x, &root_y, | |
2470 | ||
2471 | /* More trash we can't trust. */ | |
2472 | &dummy, &dummy, | |
2473 | ||
2474 | /* Modifier keys and pointer buttons, about which | |
2475 | we don't care. */ | |
2476 | (unsigned int *) &dummy); | |
2477 | ||
2478 | /* Now we have a position on the root; find the innermost window | |
2479 | containing the pointer. */ | |
2480 | { | |
2481 | Window win, child; | |
2482 | int win_x, win_y; | |
2483 | int parent_x, parent_y; | |
2484 | ||
2485 | win = root; | |
69388238 RS |
2486 | |
2487 | if (x_mouse_grabbed) | |
12ba150f | 2488 | { |
69388238 RS |
2489 | /* If mouse was grabbed on a frame, give coords for that frame |
2490 | even if the mouse is now outside it. */ | |
12ba150f | 2491 | XTranslateCoordinates (x_current_display, |
69388238 | 2492 | |
12ba150f | 2493 | /* From-window, to-window. */ |
69388238 | 2494 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2495 | |
2496 | /* From-position, to-position. */ | |
2497 | root_x, root_y, &win_x, &win_y, | |
2498 | ||
2499 | /* Child of win. */ | |
2500 | &child); | |
69388238 RS |
2501 | f1 = last_mouse_frame; |
2502 | } | |
2503 | else | |
2504 | { | |
2505 | while (1) | |
2506 | { | |
2507 | XTranslateCoordinates (x_current_display, | |
12ba150f | 2508 | |
69388238 RS |
2509 | /* From-window, to-window. */ |
2510 | root, win, | |
12ba150f | 2511 | |
69388238 RS |
2512 | /* From-position, to-position. */ |
2513 | root_x, root_y, &win_x, &win_y, | |
2514 | ||
2515 | /* Child of win. */ | |
2516 | &child); | |
2517 | ||
2518 | if (child == None) | |
2519 | break; | |
2520 | ||
2521 | win = child; | |
2522 | parent_x = win_x; | |
2523 | parent_y = win_y; | |
2524 | } | |
12ba150f | 2525 | |
69388238 RS |
2526 | /* Now we know that: |
2527 | win is the innermost window containing the pointer | |
2528 | (XTC says it has no child containing the pointer), | |
2529 | win_x and win_y are the pointer's position in it | |
2530 | (XTC did this the last time through), and | |
2531 | parent_x and parent_y are the pointer's position in win's parent. | |
2532 | (They are what win_x and win_y were when win was child. | |
2533 | If win is the root window, it has no parent, and | |
2534 | parent_{x,y} are invalid, but that's okay, because we'll | |
2535 | never use them in that case.) */ | |
2536 | ||
2537 | /* Is win one of our frames? */ | |
2b5c9e71 | 2538 | f1 = x_any_window_to_frame (win); |
69388238 | 2539 | } |
12ba150f | 2540 | |
ab648270 | 2541 | /* If not, is it one of our scroll bars? */ |
a135645a | 2542 | if (! f1) |
12ba150f | 2543 | { |
ab648270 | 2544 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2545 | |
2546 | if (bar) | |
2547 | { | |
a135645a | 2548 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2549 | win_x = parent_x; |
2550 | win_y = parent_y; | |
2551 | } | |
2552 | } | |
90e65f07 | 2553 | |
a135645a | 2554 | if (f1) |
12ba150f | 2555 | { |
2b5c9e71 RS |
2556 | int ignore1, ignore2; |
2557 | ||
2558 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2559 | |
2b5c9e71 | 2560 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
69388238 | 2561 | &last_mouse_glyph, x_mouse_grabbed); |
12ba150f JB |
2562 | |
2563 | *bar_window = Qnil; | |
2564 | *part = 0; | |
a135645a | 2565 | *f = f1; |
12ba150f JB |
2566 | XSET (*x, Lisp_Int, win_x); |
2567 | XSET (*y, Lisp_Int, win_y); | |
2568 | *time = last_mouse_movement_time; | |
2569 | } | |
2570 | } | |
2571 | } | |
90e65f07 JB |
2572 | |
2573 | UNBLOCK_INPUT; | |
2574 | } | |
2575 | ||
c118dd06 | 2576 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2577 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
2578 | #endif /* ! defined (HAVE_X11) */ |
2579 | \f | |
ab648270 | 2580 | /* Scroll bar support. */ |
f451eb13 | 2581 | |
ab648270 JB |
2582 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2583 | This can be called in GC, so we have to make sure to strip off mark | |
2584 | bits. */ | |
2585 | static struct scroll_bar * | |
2586 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2587 | Window window_id; |
2588 | { | |
2589 | Lisp_Object tail, frame; | |
f451eb13 | 2590 | |
ab648270 JB |
2591 | for (tail = Vframe_list; |
2592 | XGCTYPE (tail) == Lisp_Cons; | |
2593 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2594 | { |
abdda982 | 2595 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2596 | |
abdda982 | 2597 | frame = XCONS (tail)->car; |
f451eb13 | 2598 | /* All elements of Vframe_list should be frames. */ |
ab648270 | 2599 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
2600 | abort (); |
2601 | ||
ab648270 | 2602 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2603 | right window ID. */ |
ab648270 JB |
2604 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2605 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2606 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2607 | condemned scroll bar lists with one loop. */ |
2608 | ! GC_NILP (bar) || (bar = condemned, | |
2609 | condemned = Qnil, | |
2610 | ! GC_NILP (bar)); | |
bc20ebbf | 2611 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2612 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2613 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2614 | } |
2615 | ||
2616 | return 0; | |
2617 | } | |
2618 | ||
ab648270 JB |
2619 | /* Open a new X window to serve as a scroll bar, and return the |
2620 | scroll bar vector for it. */ | |
2621 | static struct scroll_bar * | |
2622 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2623 | struct window *window; |
f451eb13 JB |
2624 | int top, left, width, height; |
2625 | { | |
12ba150f | 2626 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
2627 | struct scroll_bar *bar = |
2628 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2629 | |
2630 | BLOCK_INPUT; | |
2631 | ||
2632 | { | |
2633 | XSetWindowAttributes a; | |
2634 | unsigned long mask; | |
12ba150f JB |
2635 | a.background_pixel = frame->display.x->background_pixel; |
2636 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 2637 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2638 | | ExposureMask); |
ab648270 | 2639 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 2640 | |
dbc4e1c1 | 2641 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2642 | |
3afe33e7 RS |
2643 | #if 0 |
2644 | ||
2645 | ac = 0; | |
2646 | XtSetArg (al[ac], XtNx, left); ac++; | |
2647 | XtSetArg (al[ac], XtNy, top); ac++; | |
2648 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2649 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2650 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2651 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 KH |
2652 | boxWidgetClass, |
2653 | frame->display.x->edit_widget, al, ac); | |
2654 | SET_SCROLL_BAR_X_WINDOW | |
3afe33e7 RS |
2655 | (bar, sb_widget->core.window); |
2656 | #endif | |
7246d1d3 | 2657 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
2658 | (bar, |
2659 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 2660 | |
ab648270 | 2661 | /* Position and size of scroll bar. */ |
12ba150f | 2662 | left, top, width, height, |
f451eb13 | 2663 | |
12ba150f JB |
2664 | /* Border width, depth, class, and visual. */ |
2665 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2666 | |
12ba150f JB |
2667 | /* Attributes. */ |
2668 | mask, &a)); | |
f451eb13 JB |
2669 | } |
2670 | ||
12ba150f JB |
2671 | XSET (bar->window, Lisp_Window, window); |
2672 | XSET (bar->top, Lisp_Int, top); | |
2673 | XSET (bar->left, Lisp_Int, left); | |
2674 | XSET (bar->width, Lisp_Int, width); | |
2675 | XSET (bar->height, Lisp_Int, height); | |
2676 | XSET (bar->start, Lisp_Int, 0); | |
2677 | XSET (bar->end, Lisp_Int, 0); | |
2678 | bar->dragging = Qnil; | |
f451eb13 JB |
2679 | |
2680 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 2681 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 2682 | bar->prev = Qnil; |
ab648270 | 2683 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 2684 | if (! NILP (bar->next)) |
ab648270 | 2685 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 2686 | |
ab648270 | 2687 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2688 | |
2689 | UNBLOCK_INPUT; | |
12ba150f JB |
2690 | |
2691 | return bar; | |
f451eb13 JB |
2692 | } |
2693 | ||
12ba150f JB |
2694 | /* Draw BAR's handle in the proper position. |
2695 | If the handle is already drawn from START to END, don't bother | |
2696 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2697 | redraw it. (REBUILD is handy for drawing the handle after expose | |
2698 | events.) | |
2699 | ||
2700 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2701 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2702 | handle, we want to let them drag it down all the way, so that the |
2703 | bar's top is as far down as it goes; otherwise, there's no way to | |
2704 | move to the very end of the buffer. */ | |
f451eb13 | 2705 | static void |
ab648270 JB |
2706 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2707 | struct scroll_bar *bar; | |
f451eb13 | 2708 | int start, end; |
12ba150f | 2709 | int rebuild; |
f451eb13 | 2710 | { |
12ba150f | 2711 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2712 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2713 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2714 | ||
2715 | /* If the display is already accurate, do nothing. */ | |
2716 | if (! rebuild | |
2717 | && start == XINT (bar->start) | |
2718 | && end == XINT (bar->end)) | |
2719 | return; | |
2720 | ||
f451eb13 JB |
2721 | BLOCK_INPUT; |
2722 | ||
2723 | { | |
ab648270 JB |
2724 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2725 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2726 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2727 | |
2728 | /* Make sure the values are reasonable, and try to preserve | |
2729 | the distance between start and end. */ | |
12ba150f JB |
2730 | { |
2731 | int length = end - start; | |
2732 | ||
2733 | if (start < 0) | |
2734 | start = 0; | |
2735 | else if (start > top_range) | |
2736 | start = top_range; | |
2737 | end = start + length; | |
2738 | ||
2739 | if (end < start) | |
2740 | end = start; | |
2741 | else if (end > top_range && ! dragging) | |
2742 | end = top_range; | |
2743 | } | |
f451eb13 | 2744 | |
ab648270 | 2745 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
2746 | XSET (bar->start, Lisp_Int, start); |
2747 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 2748 | |
12ba150f JB |
2749 | /* Clip the end position, just for display. */ |
2750 | if (end > top_range) | |
2751 | end = top_range; | |
f451eb13 | 2752 | |
ab648270 | 2753 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2754 | below top positions, to make sure the handle is always at least |
2755 | that many pixels tall. */ | |
ab648270 | 2756 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2757 | |
12ba150f JB |
2758 | /* Draw the empty space above the handle. Note that we can't clear |
2759 | zero-height areas; that means "clear to end of window." */ | |
2760 | if (0 < start) | |
2761 | XClearArea (x_current_display, w, | |
f451eb13 | 2762 | |
12ba150f | 2763 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2764 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2765 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2766 | inside_width, start, |
2767 | False); | |
f451eb13 | 2768 | |
12ba150f JB |
2769 | /* Draw the handle itself. */ |
2770 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2771 | |
12ba150f | 2772 | /* x, y, width, height */ |
ab648270 JB |
2773 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2774 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2775 | inside_width, end - start); |
f451eb13 | 2776 | |
f451eb13 | 2777 | |
12ba150f JB |
2778 | /* Draw the empty space below the handle. Note that we can't |
2779 | clear zero-height areas; that means "clear to end of window." */ | |
2780 | if (end < inside_height) | |
2781 | XClearArea (x_current_display, w, | |
f451eb13 | 2782 | |
12ba150f | 2783 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2784 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2785 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2786 | inside_width, inside_height - end, |
2787 | False); | |
f451eb13 | 2788 | |
f451eb13 JB |
2789 | } |
2790 | ||
f451eb13 JB |
2791 | UNBLOCK_INPUT; |
2792 | } | |
2793 | ||
eb8c3be9 | 2794 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2795 | window configurations. */ |
f451eb13 | 2796 | static void |
ab648270 JB |
2797 | x_scroll_bar_move (bar, top, left, width, height) |
2798 | struct scroll_bar *bar; | |
f451eb13 JB |
2799 | int top, left, width, height; |
2800 | { | |
2801 | BLOCK_INPUT; | |
2802 | ||
2803 | { | |
2804 | XWindowChanges wc; | |
2805 | unsigned int mask = 0; | |
2806 | ||
2807 | wc.x = left; | |
2808 | wc.y = top; | |
2809 | wc.width = width; | |
2810 | wc.height = height; | |
2811 | ||
12ba150f JB |
2812 | if (left != XINT (bar->left)) mask |= CWX; |
2813 | if (top != XINT (bar->top)) mask |= CWY; | |
2814 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2815 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2816 | ||
2817 | if (mask) | |
ab648270 | 2818 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2819 | mask, &wc); |
f451eb13 JB |
2820 | } |
2821 | ||
12ba150f JB |
2822 | XSET (bar->left, Lisp_Int, left); |
2823 | XSET (bar->top, Lisp_Int, top); | |
2824 | XSET (bar->width, Lisp_Int, width); | |
2825 | XSET (bar->height, Lisp_Int, height); | |
2826 | ||
f451eb13 JB |
2827 | UNBLOCK_INPUT; |
2828 | } | |
2829 | ||
ab648270 | 2830 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2831 | to nil. */ |
2832 | static void | |
ab648270 JB |
2833 | x_scroll_bar_remove (bar) |
2834 | struct scroll_bar *bar; | |
12ba150f JB |
2835 | { |
2836 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2837 | ||
2838 | BLOCK_INPUT; | |
2839 | ||
2840 | /* Destroy the window. */ | |
ab648270 | 2841 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2842 | |
ab648270 JB |
2843 | /* Disassociate this scroll bar from its window. */ |
2844 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2845 | |
2846 | UNBLOCK_INPUT; | |
2847 | } | |
2848 | ||
2849 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2850 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2851 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2852 | create one. */ |
2853 | static void | |
ab648270 | 2854 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2855 | struct window *window; |
2856 | int portion, whole, position; | |
2857 | { | |
2858 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2859 | int top = XINT (window->top); |
ab648270 JB |
2860 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2861 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2862 | |
ab648270 | 2863 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2864 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2865 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2866 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2867 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2868 | |
ab648270 | 2869 | struct scroll_bar *bar; |
12ba150f | 2870 | |
ab648270 JB |
2871 | /* Does the scroll bar exist yet? */ |
2872 | if (NILP (window->vertical_scroll_bar)) | |
2873 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2874 | pixel_top, pixel_left, |
2875 | pixel_width, pixel_height); | |
2876 | else | |
12ba150f JB |
2877 | { |
2878 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2879 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2880 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2881 | } |
f451eb13 | 2882 | |
ab648270 | 2883 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2884 | dragged. */ |
12ba150f | 2885 | if (NILP (bar->dragging)) |
f451eb13 | 2886 | { |
12ba150f | 2887 | int top_range = |
ab648270 | 2888 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2889 | |
12ba150f | 2890 | if (whole == 0) |
ab648270 | 2891 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2892 | else |
2893 | { | |
43f868f5 JB |
2894 | int start = ((double) position * top_range) / whole; |
2895 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2896 | |
ab648270 | 2897 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2898 | } |
f451eb13 JB |
2899 | } |
2900 | ||
ab648270 | 2901 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2902 | } |
2903 | ||
12ba150f | 2904 | |
f451eb13 | 2905 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2906 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2907 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2908 | away is a real pain - "Can you say set-window-configuration, boys |
2909 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2910 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2911 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2912 | |
ab648270 JB |
2913 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2914 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2915 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2916 | static void |
ab648270 | 2917 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2918 | FRAME_PTR frame; |
2919 | { | |
12ba150f JB |
2920 | /* The condemned list should be empty at this point; if it's not, |
2921 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2922 | protocol correctly. */ | |
ab648270 | 2923 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2924 | abort (); |
2925 | ||
2926 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2927 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2928 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2929 | } |
2930 | ||
ab648270 | 2931 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2932 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2933 | static void |
ab648270 | 2934 | XTredeem_scroll_bar (window) |
12ba150f | 2935 | struct window *window; |
f451eb13 | 2936 | { |
ab648270 | 2937 | struct scroll_bar *bar; |
12ba150f | 2938 | |
ab648270 JB |
2939 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2940 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2941 | abort (); |
2942 | ||
ab648270 | 2943 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2944 | |
2945 | /* Unlink it from the condemned list. */ | |
2946 | { | |
2947 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2948 | ||
2949 | if (NILP (bar->prev)) | |
2950 | { | |
2951 | /* If the prev pointer is nil, it must be the first in one of | |
2952 | the lists. */ | |
ab648270 | 2953 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2954 | /* It's not condemned. Everything's fine. */ |
2955 | return; | |
ab648270 JB |
2956 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2957 | window->vertical_scroll_bar)) | |
2958 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2959 | else |
2960 | /* If its prev pointer is nil, it must be at the front of | |
2961 | one or the other! */ | |
2962 | abort (); | |
2963 | } | |
2964 | else | |
ab648270 | 2965 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2966 | |
2967 | if (! NILP (bar->next)) | |
ab648270 | 2968 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2969 | |
ab648270 | 2970 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2971 | bar->prev = Qnil; |
ab648270 | 2972 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2973 | if (! NILP (bar->next)) |
ab648270 | 2974 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2975 | } |
f451eb13 JB |
2976 | } |
2977 | ||
ab648270 JB |
2978 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2979 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2980 | static void |
ab648270 | 2981 | XTjudge_scroll_bars (f) |
12ba150f | 2982 | FRAME_PTR f; |
f451eb13 | 2983 | { |
12ba150f | 2984 | Lisp_Object bar, next; |
f451eb13 | 2985 | |
ab648270 | 2986 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2987 | |
2988 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2989 | more events on the hapless scroll bars. */ |
2990 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2991 | |
2992 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2993 | { |
ab648270 | 2994 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2995 | |
ab648270 | 2996 | x_scroll_bar_remove (b); |
12ba150f JB |
2997 | |
2998 | next = b->next; | |
2999 | b->next = b->prev = Qnil; | |
f451eb13 | 3000 | } |
12ba150f | 3001 | |
ab648270 | 3002 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 3003 | and they should get garbage-collected. */ |
f451eb13 JB |
3004 | } |
3005 | ||
3006 | ||
ab648270 JB |
3007 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
3008 | ||
3009 | This may be called from a signal handler, so we have to ignore GC | |
3010 | mark bits. */ | |
f451eb13 | 3011 | static void |
ab648270 JB |
3012 | x_scroll_bar_expose (bar, event) |
3013 | struct scroll_bar *bar; | |
f451eb13 JB |
3014 | XEvent *event; |
3015 | { | |
ab648270 | 3016 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
3017 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
3018 | ||
f451eb13 JB |
3019 | BLOCK_INPUT; |
3020 | ||
ab648270 | 3021 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 3022 | |
ab648270 | 3023 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 3024 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
3025 | |
3026 | /* x, y, width, height */ | |
12ba150f | 3027 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 3028 | |
f451eb13 JB |
3029 | UNBLOCK_INPUT; |
3030 | } | |
3031 | ||
ab648270 JB |
3032 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
3033 | is set to something other than no_event, it is enqueued. | |
3034 | ||
3035 | This may be called from a signal handler, so we have to ignore GC | |
3036 | mark bits. */ | |
f451eb13 | 3037 | static void |
ab648270 JB |
3038 | x_scroll_bar_handle_click (bar, event, emacs_event) |
3039 | struct scroll_bar *bar; | |
f451eb13 JB |
3040 | XEvent *event; |
3041 | struct input_event *emacs_event; | |
3042 | { | |
ab648270 | 3043 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
3044 | abort (); |
3045 | ||
ab648270 | 3046 | emacs_event->kind = scroll_bar_click; |
69388238 | 3047 | emacs_event->code = event->xbutton.button - Button1; |
f451eb13 | 3048 | emacs_event->modifiers = |
dfeccd2d | 3049 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
3050 | | (event->type == ButtonRelease |
3051 | ? up_modifier | |
3052 | : down_modifier)); | |
12ba150f | 3053 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 3054 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
3055 | { |
3056 | int internal_height = | |
ab648270 | 3057 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 3058 | int top_range = |
ab648270 JB |
3059 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
3060 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
3061 | |
3062 | if (y < 0) y = 0; | |
3063 | if (y > top_range) y = top_range; | |
3064 | ||
3065 | if (y < XINT (bar->start)) | |
ab648270 JB |
3066 | emacs_event->part = scroll_bar_above_handle; |
3067 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3068 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 3069 | else |
ab648270 | 3070 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
3071 | |
3072 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
3073 | they want to drag it. Lisp code needs to be able to decide |
3074 | whether or not we're dragging. */ | |
929787e1 | 3075 | #if 0 |
12ba150f JB |
3076 | /* If the user has just clicked on the handle, record where they're |
3077 | holding it. */ | |
3078 | if (event->type == ButtonPress | |
ab648270 | 3079 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 3080 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 3081 | #endif |
12ba150f JB |
3082 | |
3083 | /* If the user has released the handle, set it to its final position. */ | |
3084 | if (event->type == ButtonRelease | |
3085 | && ! NILP (bar->dragging)) | |
3086 | { | |
3087 | int new_start = y - XINT (bar->dragging); | |
3088 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 3089 | |
ab648270 | 3090 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
3091 | bar->dragging = Qnil; |
3092 | } | |
f451eb13 | 3093 | |
5116f055 JB |
3094 | /* Same deal here as the other #if 0. */ |
3095 | #if 0 | |
eb8c3be9 | 3096 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 3097 | the handle. */ |
ab648270 | 3098 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
3099 | emacs_event->x = bar->start; |
3100 | else | |
3101 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
3102 | #else |
3103 | XSET (emacs_event->x, Lisp_Int, y); | |
3104 | #endif | |
f451eb13 | 3105 | |
12ba150f JB |
3106 | XSET (emacs_event->y, Lisp_Int, top_range); |
3107 | } | |
3108 | } | |
f451eb13 | 3109 | |
ab648270 JB |
3110 | /* Handle some mouse motion while someone is dragging the scroll bar. |
3111 | ||
3112 | This may be called from a signal handler, so we have to ignore GC | |
3113 | mark bits. */ | |
f451eb13 | 3114 | static void |
ab648270 JB |
3115 | x_scroll_bar_note_movement (bar, event) |
3116 | struct scroll_bar *bar; | |
f451eb13 JB |
3117 | XEvent *event; |
3118 | { | |
3119 | last_mouse_movement_time = event->xmotion.time; | |
3120 | ||
3121 | mouse_moved = 1; | |
ab648270 | 3122 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
3123 | |
3124 | /* If we're dragging the bar, display it. */ | |
ab648270 | 3125 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
3126 | { |
3127 | /* Where should the handle be now? */ | |
12ba150f | 3128 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 3129 | |
12ba150f | 3130 | if (new_start != XINT (bar->start)) |
f451eb13 | 3131 | { |
12ba150f | 3132 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 3133 | |
ab648270 | 3134 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
3135 | } |
3136 | } | |
3137 | ||
3138 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
3139 | moves and we can see *still* on the same position. */ | |
3140 | { | |
3141 | int dummy; | |
3142 | ||
3143 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
3144 | (Window *) &dummy, (Window *) &dummy, | |
3145 | &dummy, &dummy, &dummy, &dummy, | |
3146 | (unsigned int *) &dummy); | |
3147 | } | |
3148 | } | |
3149 | ||
12ba150f | 3150 | /* Return information to the user about the current position of the mouse |
ab648270 | 3151 | on the scroll bar. */ |
12ba150f | 3152 | static void |
ab648270 | 3153 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
3154 | FRAME_PTR *f; |
3155 | Lisp_Object *bar_window; | |
ab648270 | 3156 | enum scroll_bar_part *part; |
12ba150f JB |
3157 | Lisp_Object *x, *y; |
3158 | unsigned long *time; | |
3159 | { | |
ab648270 | 3160 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 3161 | int win_x, win_y; |
559cb2fb JB |
3162 | Window dummy_window; |
3163 | int dummy_coord; | |
3164 | unsigned int dummy_mask; | |
12ba150f | 3165 | |
cf7cb199 JB |
3166 | BLOCK_INPUT; |
3167 | ||
ab648270 | 3168 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 3169 | report that. */ |
559cb2fb JB |
3170 | if (! XQueryPointer (x_current_display, |
3171 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 3172 | |
559cb2fb JB |
3173 | /* Root, child, root x and root y. */ |
3174 | &dummy_window, &dummy_window, | |
3175 | &dummy_coord, &dummy_coord, | |
12ba150f | 3176 | |
559cb2fb JB |
3177 | /* Position relative to scroll bar. */ |
3178 | &win_x, &win_y, | |
12ba150f | 3179 | |
559cb2fb JB |
3180 | /* Mouse buttons and modifier keys. */ |
3181 | &dummy_mask)) | |
3182 | *f = 0; | |
3183 | else | |
3184 | { | |
3185 | int inside_height | |
3186 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
3187 | int top_range | |
3188 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
3189 | ||
3190 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
3191 | ||
3192 | if (! NILP (bar->dragging)) | |
3193 | win_y -= XINT (bar->dragging); | |
3194 | ||
3195 | if (win_y < 0) | |
3196 | win_y = 0; | |
3197 | if (win_y > top_range) | |
3198 | win_y = top_range; | |
3199 | ||
3200 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
3201 | *bar_window = bar->window; | |
3202 | ||
3203 | if (! NILP (bar->dragging)) | |
3204 | *part = scroll_bar_handle; | |
3205 | else if (win_y < XINT (bar->start)) | |
3206 | *part = scroll_bar_above_handle; | |
3207 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3208 | *part = scroll_bar_handle; | |
3209 | else | |
3210 | *part = scroll_bar_below_handle; | |
12ba150f | 3211 | |
559cb2fb JB |
3212 | XSET (*x, Lisp_Int, win_y); |
3213 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 3214 | |
559cb2fb JB |
3215 | mouse_moved = 0; |
3216 | last_mouse_scroll_bar = Qnil; | |
3217 | } | |
12ba150f | 3218 | |
559cb2fb | 3219 | *time = last_mouse_movement_time; |
cf7cb199 | 3220 | |
cf7cb199 | 3221 | UNBLOCK_INPUT; |
12ba150f JB |
3222 | } |
3223 | ||
f451eb13 | 3224 | |
dbc4e1c1 | 3225 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
3226 | background colors, and the scroll bars may need to be redrawn. |
3227 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
3228 | redraw them. */ |
3229 | ||
ab648270 | 3230 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
3231 | FRAME_PTR f; |
3232 | { | |
3233 | Lisp_Object bar; | |
3234 | ||
ab648270 | 3235 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 3236 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
3237 | bar = XSCROLL_BAR (bar)->next) |
3238 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
3239 | 0, 0, 0, 0, True); |
3240 | } | |
3241 | ||
3afe33e7 RS |
3242 | /* This processes Expose events from the menubar specific X event |
3243 | loop in menubar.c. This allows to redisplay the frame if necessary | |
3244 | when handling menubar or popup items. */ | |
3245 | ||
3246 | void | |
3247 | process_expose_from_menu (event) | |
3248 | XEvent event; | |
3249 | { | |
3250 | FRAME_PTR f; | |
3251 | ||
f94397b5 KH |
3252 | BLOCK_INPUT; |
3253 | ||
3afe33e7 RS |
3254 | f = x_window_to_frame (event.xexpose.window); |
3255 | if (f) | |
3256 | { | |
3257 | if (f->async_visible == 0) | |
3258 | { | |
3259 | f->async_visible = 1; | |
3260 | f->async_iconified = 0; | |
3261 | SET_FRAME_GARBAGED (f); | |
3262 | } | |
3263 | else | |
3264 | { | |
3265 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3266 | event.xexpose.x, event.xexpose.y, | |
3267 | event.xexpose.width, event.xexpose.height); | |
3268 | } | |
3269 | } | |
3270 | else | |
3271 | { | |
3272 | struct scroll_bar *bar | |
3273 | = x_window_to_scroll_bar (event.xexpose.window); | |
3274 | ||
3275 | if (bar) | |
3276 | x_scroll_bar_expose (bar, &event); | |
3277 | } | |
f94397b5 KH |
3278 | |
3279 | UNBLOCK_INPUT; | |
3afe33e7 | 3280 | } |
dbc4e1c1 | 3281 | |
f451eb13 JB |
3282 | \f |
3283 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3284 | |
dc6f92b8 JB |
3285 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3286 | but we have to put it out here, since static variables within functions | |
3287 | sometimes don't work. */ | |
3288 | static Time enter_timestamp; | |
3289 | ||
11edeb03 JB |
3290 | /* This holds the state XLookupString needs to implement dead keys |
3291 | and other tricks known as "compose processing". _X Window System_ | |
3292 | says that a portable program can't use this, but Stephen Gildea assures | |
3293 | me that letting the compiler initialize it to zeros will work okay. | |
3294 | ||
3295 | This must be defined outside of XTread_socket, for the same reasons | |
3296 | given for enter_timestamp, above. */ | |
3297 | static XComposeStatus compose_status; | |
3298 | ||
c047688c JA |
3299 | /* Communication with window managers. */ |
3300 | Atom Xatom_wm_protocols; | |
3301 | ||
3302 | /* Kinds of protocol things we may receive. */ | |
3303 | Atom Xatom_wm_take_focus; | |
3304 | Atom Xatom_wm_save_yourself; | |
3305 | Atom Xatom_wm_delete_window; | |
3306 | ||
3307 | /* Other WM communication */ | |
3308 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
3309 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
3310 | ||
d56a553a RS |
3311 | /* Window manager communication. */ |
3312 | Atom Xatom_wm_change_state; | |
3313 | ||
10e6549c RS |
3314 | /* Record the last 100 characters stored |
3315 | to help debug the loss-of-chars-during-GC problem. */ | |
3316 | int temp_index; | |
3317 | short temp_buffer[100]; | |
3318 | ||
dc6f92b8 JB |
3319 | /* Read events coming from the X server. |
3320 | This routine is called by the SIGIO handler. | |
3321 | We return as soon as there are no more events to be read. | |
3322 | ||
3323 | Events representing keys are stored in buffer BUFP, | |
3324 | which can hold up to NUMCHARS characters. | |
3325 | We return the number of characters stored into the buffer, | |
3326 | thus pretending to be `read'. | |
3327 | ||
3328 | WAITP is nonzero if we should block until input arrives. | |
3329 | EXPECTED is nonzero if the caller knows input is available. */ | |
3330 | ||
7c5283e4 | 3331 | int |
dc6f92b8 JB |
3332 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3333 | register int sd; | |
3334 | register struct input_event *bufp; | |
3335 | register int numchars; | |
3336 | int waitp; | |
3337 | int expected; | |
3338 | { | |
3339 | int count = 0; | |
3340 | int nbytes = 0; | |
3341 | int mask; | |
3342 | int items_pending; /* How many items are in the X queue. */ | |
3343 | XEvent event; | |
f676886a | 3344 | struct frame *f; |
66f55a9d | 3345 | int event_found = 0; |
dc6f92b8 JB |
3346 | int prefix; |
3347 | Lisp_Object part; | |
3348 | ||
9ac0d9e0 | 3349 | if (interrupt_input_blocked) |
dc6f92b8 | 3350 | { |
9ac0d9e0 | 3351 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3352 | return -1; |
3353 | } | |
3354 | ||
9ac0d9e0 | 3355 | interrupt_input_pending = 0; |
dc6f92b8 JB |
3356 | BLOCK_INPUT; |
3357 | ||
3358 | if (numchars <= 0) | |
3359 | abort (); /* Don't think this happens. */ | |
3360 | ||
3361 | #ifdef FIOSNBIO | |
3362 | /* If available, Xlib uses FIOSNBIO to make the socket | |
3363 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3364 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3365 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
3366 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 3367 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
3368 | |
3369 | #ifndef SIGIO | |
3370 | #ifndef HAVE_SELECT | |
3371 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
3372 | { | |
3373 | extern int read_alarm_should_throw; | |
3374 | read_alarm_should_throw = 1; | |
3375 | XPeekEvent (XDISPLAY &event); | |
3376 | read_alarm_should_throw = 0; | |
3377 | } | |
c118dd06 JB |
3378 | #endif /* HAVE_SELECT */ |
3379 | #endif /* SIGIO */ | |
dc6f92b8 JB |
3380 | |
3381 | while (XStuffPending () != 0) | |
3382 | { | |
3383 | XNextEvent (XDISPLAY &event); | |
3384 | event_found = 1; | |
3385 | ||
3386 | switch (event.type) | |
3387 | { | |
3388 | #ifdef HAVE_X11 | |
c047688c JA |
3389 | case ClientMessage: |
3390 | { | |
3391 | if (event.xclient.message_type == Xatom_wm_protocols | |
3392 | && event.xclient.format == 32) | |
3393 | { | |
3394 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
3395 | { | |
3afe33e7 RS |
3396 | #ifdef USE_X_TOOLKIT |
3397 | /* f = x_any_window_to_frame (event.xclient.window); */ | |
f676886a | 3398 | f = x_window_to_frame (event.xclient.window); |
3afe33e7 RS |
3399 | #else |
3400 | f = x_window_to_frame (event.xclient.window); | |
3401 | #endif | |
f676886a JB |
3402 | if (f) |
3403 | x_focus_on_frame (f); | |
ab648270 | 3404 | /* Not certain about handling scroll bars here */ |
c047688c JA |
3405 | } |
3406 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
3407 | { | |
3408 | /* Save state modify the WM_COMMAND property to | |
3409 | something which can reinstate us. This notifies | |
3410 | the session manager, who's looking for such a | |
3411 | PropertyNotify. Can restart processing when | |
3412 | a keyboard or mouse event arrives. */ | |
3413 | if (numchars > 0) | |
3414 | { | |
3415 | } | |
3416 | } | |
3417 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
3418 | { | |
82aebaf4 | 3419 | struct frame *f = x_any_window_to_frame (event.xclient.window); |
c047688c | 3420 | |
f676886a | 3421 | if (f) |
1fb20991 RS |
3422 | { |
3423 | if (numchars == 0) | |
3424 | abort (); | |
3425 | ||
3426 | bufp->kind = delete_window_event; | |
3427 | XSET (bufp->frame_or_window, Lisp_Frame, f); | |
3428 | bufp++; | |
3429 | ||
3430 | count += 1; | |
3431 | numchars -= 1; | |
3432 | } | |
c047688c JA |
3433 | } |
3434 | } | |
3435 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
3436 | { | |
3437 | } | |
3438 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
3439 | { | |
3440 | int new_x, new_y; | |
1fb20991 RS |
3441 | struct frame *f = x_window_to_frame (event.xclient.window); |
3442 | ||
4357eba7 JB |
3443 | new_x = event.xclient.data.s[0]; |
3444 | new_y = event.xclient.data.s[1]; | |
1fb20991 RS |
3445 | |
3446 | if (f) | |
3447 | { | |
3448 | f->display.x->left_pos = new_x; | |
3449 | f->display.x->top_pos = new_y; | |
3450 | } | |
c047688c JA |
3451 | } |
3452 | } | |
3453 | break; | |
dc6f92b8 | 3454 | |
d56a553a RS |
3455 | #ifdef NEW_SELECTIONS |
3456 | case SelectionNotify: | |
3afe33e7 RS |
3457 | #ifdef USE_X_TOOLKIT |
3458 | if (x_window_to_frame (event.xselection.requestor)) | |
3459 | x_handle_selection_notify (&event); | |
3460 | else | |
3461 | goto OTHER; | |
3462 | #else /* not USE_X_TOOLKIT */ | |
d56a553a | 3463 | x_handle_selection_notify (&event); |
3afe33e7 | 3464 | #endif /* not USE_X_TOOLKIT */ |
d56a553a | 3465 | break; |
3afe33e7 | 3466 | #endif /* NEW_SELECTIONS */ |
d56a553a | 3467 | |
dc6f92b8 | 3468 | case SelectionClear: /* Someone has grabbed ownership. */ |
d56a553a RS |
3469 | #ifdef NEW_SELECTIONS |
3470 | { | |
3afe33e7 RS |
3471 | #ifdef USE_X_TOOLKIT |
3472 | if (x_window_to_frame (event.xselectionclear.window)) | |
3473 | { | |
3474 | #endif /* USE_X_TOOLKIT */ | |
d56a553a RS |
3475 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; |
3476 | ||
3477 | if (numchars == 0) | |
3478 | abort (); | |
3479 | ||
3480 | bufp->kind = selection_clear_event; | |
3481 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3482 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3483 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3484 | bufp++; | |
3485 | ||
3486 | count += 1; | |
3487 | numchars -= 1; | |
3afe33e7 | 3488 | #ifdef USE_X_TOOLKIT |
d56a553a | 3489 | } |
3afe33e7 RS |
3490 | else |
3491 | goto OTHER; | |
3492 | #endif /* USE_X_TOOLKIT */ | |
3493 | } | |
3494 | #else /* not NEW_SELECTIONS */ | |
dc6f92b8 JB |
3495 | x_disown_selection (event.xselectionclear.window, |
3496 | event.xselectionclear.selection, | |
3497 | event.xselectionclear.time); | |
3afe33e7 | 3498 | #endif /* not NEW_SELECTIONS */ |
dc6f92b8 JB |
3499 | break; |
3500 | ||
3501 | case SelectionRequest: /* Someone wants our selection. */ | |
d56a553a RS |
3502 | #ifdef NEW_SELECTIONS |
3503 | { | |
3afe33e7 RS |
3504 | #ifdef USE_X_TOOLKIT |
3505 | if (x_window_to_frame (event.xselectionrequest.owner)) | |
3506 | { | |
3507 | #endif /* USE_X_TOOLKIT */ | |
d56a553a RS |
3508 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; |
3509 | ||
3510 | if (numchars == 0) | |
3511 | abort (); | |
3512 | ||
3513 | bufp->kind = selection_request_event; | |
3514 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3515 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3516 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3517 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3518 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3519 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3520 | bufp++; | |
3521 | ||
3522 | count += 1; | |
3523 | numchars -= 1; | |
3afe33e7 | 3524 | #ifdef USE_X_TOOLKIT |
d56a553a | 3525 | } |
3afe33e7 RS |
3526 | else |
3527 | goto OTHER; | |
3528 | #endif /* USE_X_TOOLKIT */ | |
3529 | } | |
3530 | #else /* not NEW_SELECTIONS */ | |
dc6f92b8 | 3531 | x_answer_selection_request (event); |
3afe33e7 | 3532 | #endif /* not NEW_SELECTIONS */ |
dc6f92b8 JB |
3533 | break; |
3534 | ||
3535 | case PropertyNotify: | |
d56a553a | 3536 | #ifdef NEW_SELECTIONS |
3afe33e7 RS |
3537 | #ifdef USE_X_TOOLKIT |
3538 | if (x_any_window_to_frame (event.xproperty.window)) | |
3539 | x_handle_property_notify (&event); | |
3540 | else | |
3541 | goto OTHER; | |
3542 | #else /* not USE_X_TOOLKIT */ | |
d56a553a | 3543 | x_handle_property_notify (&event); |
3afe33e7 RS |
3544 | #endif /* not USE_X_TOOLKIT */ |
3545 | #else /* not NEW_SELECTIONS */ | |
28430d3c JB |
3546 | /* If we're being told about a root window property, then it's |
3547 | a cut buffer change. */ | |
3548 | if (event.xproperty.window == ROOT_WINDOW) | |
3549 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
3550 | ||
3551 | /* Otherwise, we're probably handling an incremental | |
3552 | selection transmission. */ | |
3553 | else | |
3554 | { | |
3555 | /* If we were to do this synchronously, there'd be no worry | |
3556 | about re-selecting. */ | |
3557 | x_send_incremental (event); | |
3558 | } | |
3afe33e7 | 3559 | #endif /* not NEW_SELECTIONS */ |
dc6f92b8 JB |
3560 | break; |
3561 | ||
3bd330d4 RS |
3562 | case ReparentNotify: |
3563 | f = x_window_to_frame (event.xreparent.window); | |
3564 | if (f) | |
3565 | f->display.x->parent_desc = event.xreparent.parent; | |
3566 | break; | |
3567 | ||
dc6f92b8 | 3568 | case Expose: |
f676886a JB |
3569 | f = x_window_to_frame (event.xexpose.window); |
3570 | if (f) | |
dc6f92b8 | 3571 | { |
3a88c238 | 3572 | if (f->async_visible == 0) |
dc6f92b8 | 3573 | { |
3a88c238 JB |
3574 | f->async_visible = 1; |
3575 | f->async_iconified = 0; | |
f676886a | 3576 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
3577 | } |
3578 | else | |
f451eb13 JB |
3579 | { |
3580 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3581 | event.xexpose.x, event.xexpose.y, | |
3582 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
3583 | } |
3584 | } | |
3585 | else | |
3586 | { | |
ab648270 JB |
3587 | struct scroll_bar *bar |
3588 | = x_window_to_scroll_bar (event.xexpose.window); | |
3afe33e7 | 3589 | |
f451eb13 | 3590 | if (bar) |
3afe33e7 RS |
3591 | x_scroll_bar_expose (bar, &event); |
3592 | #ifdef USE_X_TOOLKIT | |
3593 | else | |
3594 | goto OTHER; | |
3595 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3596 | } |
3597 | break; | |
3598 | ||
3599 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
3600 | source area was obscured or not | |
3601 | available.*/ | |
f451eb13 JB |
3602 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
3603 | if (f) | |
3604 | { | |
3605 | dumprectangle (f, | |
3606 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3607 | event.xgraphicsexpose.width, | |
3608 | event.xgraphicsexpose.height); | |
f451eb13 | 3609 | } |
3afe33e7 RS |
3610 | #ifdef USE_X_TOOLKIT |
3611 | else | |
3612 | goto OTHER; | |
3613 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3614 | break; |
3615 | ||
3616 | case NoExpose: /* This occurs when an XCopyArea's | |
3617 | source area was completely | |
3618 | available */ | |
3619 | break; | |
c118dd06 | 3620 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3621 | case ExposeWindow: |
3622 | if (event.subwindow != 0) | |
3623 | break; /* duplicate event */ | |
f676886a JB |
3624 | f = x_window_to_frame (event.window); |
3625 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3626 | { |
f676886a | 3627 | refreshicon (f); |
3a88c238 | 3628 | f->async_iconified = 1; |
dc6f92b8 | 3629 | } |
c118dd06 | 3630 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3631 | { |
3632 | /* Say must check all windows' needs_exposure flags. */ | |
3633 | expose_all_windows = 1; | |
f676886a | 3634 | f->display.x->needs_exposure = 1; |
3a88c238 | 3635 | f->async_visible = 1; |
dc6f92b8 JB |
3636 | } |
3637 | break; | |
3638 | ||
3639 | case ExposeRegion: | |
3640 | if (event.subwindow != 0) | |
3641 | break; /* duplicate event */ | |
f676886a JB |
3642 | f = x_window_to_frame (event.window); |
3643 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3644 | { |
f676886a | 3645 | refreshicon (f); |
dc6f92b8 JB |
3646 | break; |
3647 | } | |
3648 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3649 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3650 | break; |
3651 | /* Put the event on the queue of rectangles to redraw. */ | |
3652 | if (enqueue_event (&event, &x_expose_queue)) | |
3653 | /* If it is full, we can't record the rectangle, | |
3654 | so redraw this entire window. */ | |
3655 | { | |
3656 | /* Say must check all windows' needs_exposure flags. */ | |
3657 | expose_all_windows = 1; | |
f676886a | 3658 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3659 | } |
3660 | break; | |
3661 | ||
3662 | case ExposeCopy: | |
3663 | /* This should happen only when we are expecting it, | |
3664 | in x_read_exposes. */ | |
3665 | abort (); | |
c118dd06 | 3666 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3667 | |
3668 | #ifdef HAVE_X11 | |
3669 | case UnmapNotify: | |
f451eb13 JB |
3670 | f = x_window_to_frame (event.xunmap.window); |
3671 | if (f) /* F may no longer exist if | |
f676886a | 3672 | the frame was deleted. */ |
f451eb13 JB |
3673 | { |
3674 | /* While a frame is unmapped, display generation is | |
3675 | disabled; you don't want to spend time updating a | |
3676 | display that won't ever be seen. */ | |
3677 | f->async_visible = 0; | |
9319ae23 RS |
3678 | /* The window manager never makes a window invisible |
3679 | ("withdrawn"); all it does is switch between visible | |
3680 | and iconified. Frames get into the invisible state | |
041b69ac | 3681 | only through x_make_frame_invisible. */ |
9319ae23 RS |
3682 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
3683 | f->async_iconified = 1; | |
f451eb13 | 3684 | } |
3afe33e7 RS |
3685 | #ifdef USE_X_TOOLKIT |
3686 | goto OTHER; | |
3687 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3688 | break; |
3689 | ||
3690 | case MapNotify: | |
3afe33e7 RS |
3691 | #ifdef USE_X_TOOLKIT |
3692 | f = x_any_window_to_frame (event.xmap.window); | |
3693 | #else /* not USE_X_TOOLKIT */ | |
f676886a | 3694 | f = x_window_to_frame (event.xmap.window); |
3afe33e7 | 3695 | #endif /* not USE_X_TOOLKIT */ |
f676886a | 3696 | if (f) |
dc6f92b8 | 3697 | { |
3a88c238 JB |
3698 | f->async_visible = 1; |
3699 | f->async_iconified = 0; | |
dc6f92b8 JB |
3700 | |
3701 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
3702 | the frame's display structures. */ |
3703 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 | 3704 | } |
3afe33e7 RS |
3705 | #ifdef USE_X_TOOLKIT |
3706 | goto OTHER; | |
3707 | #endif /* USE_X_TOOLKIT */ | |
3708 | break; | |
dc6f92b8 JB |
3709 | |
3710 | /* Turn off processing if we become fully obscured. */ | |
3711 | case VisibilityNotify: | |
3712 | break; | |
3713 | ||
c118dd06 | 3714 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3715 | case UnmapWindow: |
f676886a JB |
3716 | f = x_window_to_frame (event.window); |
3717 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 3718 | f->async_iconified = 0; |
c118dd06 | 3719 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 3720 | f->async_visible = 0; |
dc6f92b8 | 3721 | break; |
c118dd06 | 3722 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3723 | |
3724 | #ifdef HAVE_X11 | |
3725 | case KeyPress: | |
1dea5a83 | 3726 | f = x_any_window_to_frame (event.xkey.window); |
f451eb13 | 3727 | |
f676886a | 3728 | if (f != 0) |
dc6f92b8 | 3729 | { |
2d368234 | 3730 | KeySym keysym, orig_keysym; |
bf6d8fb9 RS |
3731 | /* al%imercury@uunet.uu.net says that making this 81 instead of |
3732 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3733 | unsigned char copy_buffer[81]; | |
64bb1782 RS |
3734 | int modifiers; |
3735 | ||
dfeccd2d JB |
3736 | event.xkey.state |
3737 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 3738 | modifiers = event.xkey.state; |
3a2712f9 | 3739 | |
11edeb03 | 3740 | /* This will have to go some day... */ |
752a043f JB |
3741 | |
3742 | /* make_lispy_event turns chars into control chars. | |
3743 | Don't do it here because XLookupString is too eager. */ | |
3744 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
3745 | nbytes = |
3746 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
3747 | &compose_status); | |
dc6f92b8 | 3748 | |
55123275 JB |
3749 | /* Strip off the vendor-specific keysym bit, and take a shot |
3750 | at recognizing the codes. HP servers have extra keysyms | |
3751 | that fit into the MiscFunctionKey category. */ | |
2d368234 | 3752 | orig_keysym = keysym; |
55123275 JB |
3753 | keysym &= ~(1<<28); |
3754 | ||
dc6f92b8 JB |
3755 | if (numchars > 1) |
3756 | { | |
64a07219 JB |
3757 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) |
3758 | || keysym == XK_Delete | |
3759 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3760 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3761 | #ifdef HPUX |
64a07219 JB |
3762 | /* This recognizes the "extended function keys". |
3763 | It seems there's no cleaner way. | |
3764 | Test IsModifierKey to avoid handling mode_switch | |
3765 | incorrectly. */ | |
3766 | || ((unsigned) (keysym) >= XK_Select | |
3767 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3768 | #endif |
3769 | #ifdef XK_dead_circumflex | |
3770 | || orig_keysym == XK_dead_circumflex | |
3771 | #endif | |
3772 | #ifdef XK_dead_grave | |
3773 | || orig_keysym == XK_dead_grave | |
3774 | #endif | |
3775 | #ifdef XK_dead_tilde | |
3776 | || orig_keysym == XK_dead_tilde | |
3777 | #endif | |
3778 | #ifdef XK_dead_diaeresis | |
3779 | || orig_keysym == XK_dead_diaeresis | |
3780 | #endif | |
3781 | #ifdef XK_dead_macron | |
3782 | || orig_keysym == XK_dead_macron | |
3783 | #endif | |
3784 | #ifdef XK_dead_degree | |
3785 | || orig_keysym == XK_dead_degree | |
3786 | #endif | |
3787 | #ifdef XK_dead_acute | |
3788 | || orig_keysym == XK_dead_acute | |
3789 | #endif | |
3790 | #ifdef XK_dead_cedilla | |
3791 | || orig_keysym == XK_dead_cedilla | |
3792 | #endif | |
3793 | #ifdef XK_dead_breve | |
3794 | || orig_keysym == XK_dead_breve | |
3795 | #endif | |
3796 | #ifdef XK_dead_ogonek | |
3797 | || orig_keysym == XK_dead_ogonek | |
3798 | #endif | |
3799 | #ifdef XK_dead_caron | |
3800 | || orig_keysym == XK_dead_caron | |
3801 | #endif | |
3802 | #ifdef XK_dead_doubleacute | |
3803 | || orig_keysym == XK_dead_doubleacute | |
3804 | #endif | |
3805 | #ifdef XK_dead_abovedot | |
3806 | || orig_keysym == XK_dead_abovedot | |
c34790e0 | 3807 | #endif |
64a07219 JB |
3808 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3809 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
3810 | || x_is_vendor_fkey (orig_keysym)) | |
7719aa06 RS |
3811 | && ! (IsModifierKey (orig_keysym) |
3812 | #ifndef HAVE_X11R5 | |
3813 | #ifdef XK_Mode_switch | |
3814 | || ((unsigned)(orig_keysym) == XK_Mode_switch) | |
3815 | #endif | |
3816 | #ifdef XK_Num_Lock | |
3817 | || ((unsigned)(orig_keysym) == XK_Num_Lock) | |
3818 | #endif | |
3819 | #endif /* not HAVE_X11R5 */ | |
3820 | )) | |
dc6f92b8 | 3821 | { |
10e6549c RS |
3822 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3823 | temp_index = 0; | |
3824 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 3825 | bufp->kind = non_ascii_keystroke; |
69388238 | 3826 | bufp->code = keysym; |
12ba150f | 3827 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3828 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3829 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3830 | bufp++; |
3831 | count++; | |
3832 | numchars--; | |
3833 | } | |
3834 | else if (numchars > nbytes) | |
3835 | { | |
3836 | register int i; | |
3837 | ||
10e6549c | 3838 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 3839 | { |
10e6549c RS |
3840 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3841 | temp_index = 0; | |
3842 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 3843 | bufp->kind = ascii_keystroke; |
69388238 | 3844 | bufp->code = copy_buffer[i]; |
12ba150f | 3845 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3846 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3847 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3848 | bufp++; |
3849 | } | |
dc6f92b8 JB |
3850 | |
3851 | count += nbytes; | |
3852 | numchars -= nbytes; | |
3853 | } | |
10e6549c RS |
3854 | else |
3855 | abort (); | |
dc6f92b8 | 3856 | } |
10e6549c RS |
3857 | else |
3858 | abort (); | |
dc6f92b8 JB |
3859 | } |
3860 | break; | |
c118dd06 | 3861 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3862 | case KeyPressed: |
3863 | { | |
3864 | register char *where_mapping; | |
3865 | ||
f676886a | 3866 | f = x_window_to_frame (event.window); |
dc6f92b8 | 3867 | /* Ignore keys typed on icon windows. */ |
f676886a | 3868 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
3869 | break; |
3870 | where_mapping = XLookupMapping (&event, &nbytes); | |
3871 | /* Nasty fix for arrow keys */ | |
3872 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
3873 | { | |
3874 | switch (event.detail & 0xff) | |
3875 | { | |
3876 | case KC_CURSOR_LEFT: | |
3877 | where_mapping = "\002"; | |
3878 | break; | |
3879 | case KC_CURSOR_RIGHT: | |
3880 | where_mapping = "\006"; | |
3881 | break; | |
3882 | case KC_CURSOR_UP: | |
3883 | where_mapping = "\020"; | |
3884 | break; | |
3885 | case KC_CURSOR_DOWN: | |
3886 | where_mapping = "\016"; | |
3887 | break; | |
3888 | } | |
3889 | nbytes = 1; | |
3890 | } | |
3891 | if (numchars - nbytes > 0) | |
3892 | { | |
3893 | register int i; | |
3894 | ||
3895 | for (i = 0; i < nbytes; i++) | |
3896 | { | |
3897 | bufp->kind = ascii_keystroke; | |
69388238 | 3898 | bufp->code = where_mapping[i]; |
90e65f07 | 3899 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 3900 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
3901 | bufp++; |
3902 | } | |
3903 | count += nbytes; | |
3904 | numchars -= nbytes; | |
3905 | } | |
3906 | } | |
3907 | break; | |
c118dd06 | 3908 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3909 | |
3910 | #ifdef HAVE_X11 | |
f451eb13 JB |
3911 | |
3912 | /* Here's a possible interpretation of the whole | |
3913 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3914 | FocusIn event, you have to get a FocusOut event before you | |
3915 | relinquish the focus. If you haven't received a FocusIn event, | |
3916 | then a mere LeaveNotify is enough to free you. */ | |
3917 | ||
dc6f92b8 | 3918 | case EnterNotify: |
1dea5a83 | 3919 | f = x_any_window_to_frame (event.xcrossing.window); |
6d4238f3 | 3920 | |
f451eb13 | 3921 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3922 | { |
dc6f92b8 | 3923 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
3924 | if (f && (!(f->auto_raise) |
3925 | || !(f->auto_lower) | |
dc6f92b8 JB |
3926 | || (event.xcrossing.time - enter_timestamp) > 500)) |
3927 | { | |
f676886a | 3928 | x_new_focus_frame (f); |
dc6f92b8 JB |
3929 | enter_timestamp = event.xcrossing.time; |
3930 | } | |
dc6f92b8 | 3931 | } |
f676886a JB |
3932 | else if (f == x_focus_frame) |
3933 | x_new_focus_frame (0); | |
3afe33e7 RS |
3934 | #ifdef USE_X_TOOLKIT |
3935 | goto OTHER; | |
3936 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3937 | break; |
3938 | ||
3939 | case FocusIn: | |
1dea5a83 | 3940 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3941 | if (event.xfocus.detail != NotifyPointer) |
3942 | x_focus_event_frame = f; | |
f676886a JB |
3943 | if (f) |
3944 | x_new_focus_frame (f); | |
3afe33e7 RS |
3945 | #ifdef USE_X_TOOLKIT |
3946 | goto OTHER; | |
3947 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3948 | break; |
3949 | ||
f451eb13 | 3950 | |
dc6f92b8 | 3951 | case LeaveNotify: |
1dea5a83 | 3952 | f = x_any_window_to_frame (event.xcrossing.window); |
b1c884c3 | 3953 | |
b8009dd1 RS |
3954 | if (f == mouse_face_mouse_frame) |
3955 | /* If we move outside the frame, | |
3956 | then we're certainly no longer on any text in the frame. */ | |
3957 | clear_mouse_face (); | |
3958 | ||
f451eb13 JB |
3959 | if (event.xcrossing.focus) |
3960 | { | |
3961 | if (! x_focus_event_frame) | |
3962 | x_new_focus_frame (0); | |
3963 | else | |
f676886a | 3964 | x_new_focus_frame (f); |
f451eb13 JB |
3965 | } |
3966 | else | |
3967 | { | |
3968 | if (f == x_focus_event_frame) | |
3969 | x_focus_event_frame = 0; | |
3970 | if (f == x_focus_frame) | |
f676886a | 3971 | x_new_focus_frame (0); |
dc6f92b8 | 3972 | } |
3afe33e7 RS |
3973 | #ifdef USE_X_TOOLKIT |
3974 | goto OTHER; | |
3975 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3976 | break; |
3977 | ||
3978 | case FocusOut: | |
1dea5a83 | 3979 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3980 | if (event.xfocus.detail != NotifyPointer |
3981 | && f == x_focus_event_frame) | |
3982 | x_focus_event_frame = 0; | |
f676886a JB |
3983 | if (f && f == x_focus_frame) |
3984 | x_new_focus_frame (0); | |
3afe33e7 RS |
3985 | #ifdef USE_X_TOOLKIT |
3986 | goto OTHER; | |
3987 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3988 | break; |
3989 | ||
c118dd06 | 3990 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3991 | |
3992 | case EnterWindow: | |
3993 | if ((event.detail & 0xFF) == 1) | |
3994 | break; /* Coming from our own subwindow */ | |
3995 | if (event.subwindow != 0) | |
3996 | break; /* Entering our own subwindow. */ | |
3997 | ||
3998 | { | |
f676886a JB |
3999 | f = x_window_to_frame (event.window); |
4000 | x_mouse_frame = f; | |
dc6f92b8 | 4001 | |
f676886a | 4002 | x_new_focus_frame (f); |
dc6f92b8 JB |
4003 | } |
4004 | break; | |
4005 | ||
4006 | case LeaveWindow: | |
4007 | if ((event.detail & 0xFF) == 1) | |
4008 | break; /* Entering our own subwindow */ | |
4009 | if (event.subwindow != 0) | |
4010 | break; /* Leaving our own subwindow. */ | |
4011 | ||
f676886a JB |
4012 | x_mouse_frame = 0; |
4013 | if (x_focus_frame == 0 | |
4014 | && x_input_frame != 0 | |
4015 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 4016 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 4017 | { |
f676886a JB |
4018 | f = x_input_frame; |
4019 | x_input_frame = 0; | |
4020 | if (f) | |
4021 | frame_unhighlight (f); | |
dc6f92b8 JB |
4022 | } |
4023 | break; | |
c118dd06 | 4024 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4025 | |
4026 | #ifdef HAVE_X11 | |
4027 | case MotionNotify: | |
4028 | { | |
69388238 RS |
4029 | if (x_mouse_grabbed) |
4030 | f = last_mouse_frame; | |
4031 | else | |
4032 | f = x_window_to_frame (event.xmotion.window); | |
f676886a | 4033 | if (f) |
12ba150f | 4034 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 4035 | else |
dc6f92b8 | 4036 | { |
69388238 RS |
4037 | struct scroll_bar *bar |
4038 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
4039 | |
4040 | if (bar) | |
ab648270 | 4041 | x_scroll_bar_note_movement (bar, &event); |
b8009dd1 RS |
4042 | |
4043 | /* If we move outside the frame, | |
4044 | then we're certainly no longer on any text in the frame. */ | |
4045 | clear_mouse_face (); | |
dc6f92b8 | 4046 | } |
dc6f92b8 | 4047 | } |
3afe33e7 RS |
4048 | #ifdef USE_X_TOOLKIT |
4049 | goto OTHER; | |
4050 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4051 | break; |
4052 | ||
4053 | case ConfigureNotify: | |
13ce2d73 | 4054 | f = x_any_window_to_frame (event.xconfigure.window); |
3afe33e7 | 4055 | #ifdef USE_X_TOOLKIT |
13ce2d73 FP |
4056 | if (f |
4057 | && ! event.xconfigure.send_event | |
4058 | && (event.xconfigure.window == XtWindow (f->display.x->widget))) | |
4059 | { | |
4060 | Window win, child; | |
4061 | int win_x, win_y; | |
4062 | ||
4063 | /* Find the position of the outside upper-left corner of | |
4064 | the window, in the root coordinate system. Don't | |
4065 | refer to the parent window here; we may be processing | |
4066 | this event after the window manager has changed our | |
4067 | parent, but before we have reached the ReparentNotify. */ | |
4068 | XTranslateCoordinates (x_current_display, | |
4069 | ||
4070 | /* From-window, to-window. */ | |
4071 | XtWindow (f->display.x->widget), | |
4072 | ROOT_WINDOW, | |
4073 | ||
4074 | /* From-position, to-position. */ | |
4075 | -event.xconfigure.border_width, | |
4076 | -event.xconfigure.border_width, | |
4077 | &win_x, &win_y, | |
4078 | ||
4079 | /* Child of win. */ | |
4080 | &child); | |
4081 | event.xconfigure.x = win_x; | |
4082 | event.xconfigure.y = win_y; | |
4083 | ||
4084 | f->display.x->pixel_width = event.xconfigure.width; | |
4085 | f->display.x->pixel_height = event.xconfigure.height; | |
4086 | f->display.x->left_pos = event.xconfigure.x; | |
4087 | f->display.x->top_pos = event.xconfigure.y; | |
4088 | } | |
4089 | goto OTHER; | |
3afe33e7 | 4090 | #else /* not USE_X_TOOLKIT */ |
dbc4e1c1 JB |
4091 | if (f) |
4092 | { | |
4093 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
4094 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
4095 | ||
4096 | /* Even if the number of character rows and columns has | |
4097 | not changed, the font size may have changed, so we need | |
4098 | to check the pixel dimensions as well. */ | |
4099 | if (columns != f->width | |
4100 | || rows != f->height | |
4101 | || event.xconfigure.width != f->display.x->pixel_width | |
4102 | || event.xconfigure.height != f->display.x->pixel_height) | |
4103 | { | |
4104 | change_frame_size (f, rows, columns, 0, 1); | |
4105 | SET_FRAME_GARBAGED (f); | |
4106 | } | |
dc6f92b8 | 4107 | |
3bd330d4 | 4108 | if (! event.xconfigure.send_event) |
af395ec1 RS |
4109 | { |
4110 | Window win, child; | |
4111 | int win_x, win_y; | |
4112 | ||
6cc35d86 JB |
4113 | /* Find the position of the outside upper-left corner of |
4114 | the window, in the root coordinate system. Don't | |
4115 | refer to the parent window here; we may be processing | |
4116 | this event after the window manager has changed our | |
4117 | parent, but before we have reached the ReparentNotify. */ | |
af395ec1 RS |
4118 | XTranslateCoordinates (x_current_display, |
4119 | ||
4120 | /* From-window, to-window. */ | |
6cc35d86 | 4121 | f->display.x->window_desc, |
3bd330d4 | 4122 | ROOT_WINDOW, |
af395ec1 RS |
4123 | |
4124 | /* From-position, to-position. */ | |
6cc35d86 JB |
4125 | -event.xconfigure.border_width, |
4126 | -event.xconfigure.border_width, | |
af395ec1 RS |
4127 | &win_x, &win_y, |
4128 | ||
4129 | /* Child of win. */ | |
4130 | &child); | |
4131 | event.xconfigure.x = win_x; | |
4132 | event.xconfigure.y = win_y; | |
4133 | } | |
4134 | ||
dbc4e1c1 JB |
4135 | f->display.x->pixel_width = event.xconfigure.width; |
4136 | f->display.x->pixel_height = event.xconfigure.height; | |
4137 | f->display.x->left_pos = event.xconfigure.x; | |
4138 | f->display.x->top_pos = event.xconfigure.y; | |
4139 | } | |
3afe33e7 | 4140 | #endif /* not USE_X_TOOLKIT */ |
dbc4e1c1 | 4141 | break; |
dc6f92b8 JB |
4142 | |
4143 | case ButtonPress: | |
4144 | case ButtonRelease: | |
4145 | { | |
4146 | /* If we decide we want to generate an event to be seen | |
4147 | by the rest of Emacs, we put it here. */ | |
4148 | struct input_event emacs_event; | |
4149 | emacs_event.kind = no_event; | |
4150 | ||
f676886a JB |
4151 | f = x_window_to_frame (event.xbutton.window); |
4152 | if (f) | |
f451eb13 JB |
4153 | { |
4154 | if (!x_focus_frame || (f == x_focus_frame)) | |
69388238 | 4155 | construct_mouse_click (&emacs_event, &event, f); |
f451eb13 | 4156 | } |
dc6f92b8 | 4157 | else |
f451eb13 | 4158 | { |
ab648270 JB |
4159 | struct scroll_bar *bar = |
4160 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
4161 | |
4162 | if (bar) | |
ab648270 | 4163 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
3afe33e7 RS |
4164 | #ifdef USE_X_TOOLKIT |
4165 | else | |
4166 | { | |
4167 | f = x_any_window_to_frame (event.xbutton.window); | |
4168 | if (f && event.type == ButtonPress) | |
4169 | construct_menu_click (&emacs_event, | |
4170 | &event, f); | |
4171 | } | |
4172 | #endif /* USE_X_TOOLKIT */ | |
f451eb13 | 4173 | } |
dc6f92b8 JB |
4174 | |
4175 | if (numchars >= 1 && emacs_event.kind != no_event) | |
4176 | { | |
4177 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
4178 | bufp++; | |
4179 | count++; | |
4180 | numchars--; | |
4181 | } | |
3afe33e7 RS |
4182 | |
4183 | #ifdef USE_X_TOOLKIT | |
4184 | goto OTHER; | |
4185 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4186 | } |
4187 | break; | |
4188 | ||
c118dd06 | 4189 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4190 | case ButtonPressed: |
4191 | case ButtonReleased: | |
f676886a JB |
4192 | f = x_window_to_frame (event.window); |
4193 | if (f) | |
dc6f92b8 | 4194 | { |
f676886a | 4195 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 4196 | { |
f676886a | 4197 | x_make_frame_visible (f); |
dc6f92b8 JB |
4198 | |
4199 | if (warp_mouse_on_deiconify) | |
c118dd06 | 4200 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
4201 | break; |
4202 | } | |
c118dd06 | 4203 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 4204 | { |
f676886a JB |
4205 | if (f->auto_raise) |
4206 | x_raise_frame (f); | |
dc6f92b8 JB |
4207 | } |
4208 | } | |
4209 | enqueue_event (&event, &x_mouse_queue); | |
4210 | if (numchars >= 2) | |
4211 | { | |
4212 | bufp->kind = ascii_keystroke; | |
69388238 | 4213 | bufp->code = 'X' & 037; /* C-x */ |
12ba150f | 4214 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 4215 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
4216 | bufp++; |
4217 | ||
4218 | bufp->kind = ascii_keystroke; | |
69388238 | 4219 | bufp->code = 0; /* C-@ */ |
12ba150f | 4220 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 4221 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
4222 | bufp++; |
4223 | ||
4224 | count += 2; | |
4225 | numchars -= 2; | |
4226 | } | |
4227 | break; | |
c118dd06 | 4228 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4229 | |
4230 | #ifdef HAVE_X11 | |
4231 | ||
4232 | case CirculateNotify: | |
4233 | break; | |
4234 | case CirculateRequest: | |
4235 | break; | |
4236 | ||
c118dd06 | 4237 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4238 | |
4239 | case MappingNotify: | |
11edeb03 JB |
4240 | /* Someone has changed the keyboard mapping - update the |
4241 | local cache. */ | |
4242 | switch (event.xmapping.request) | |
4243 | { | |
4244 | case MappingModifier: | |
4245 | x_find_modifier_meanings (); | |
4246 | /* This is meant to fall through. */ | |
4247 | case MappingKeyboard: | |
4248 | XRefreshKeyboardMapping (&event.xmapping); | |
4249 | } | |
3afe33e7 RS |
4250 | #ifdef USE_X_TOOLKIT |
4251 | goto OTHER; | |
4252 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4253 | break; |
4254 | ||
4255 | default: | |
3afe33e7 RS |
4256 | #ifdef USE_X_TOOLKIT |
4257 | OTHER: | |
4258 | BLOCK_INPUT; | |
4259 | XtDispatchEvent (&event); | |
4260 | UNBLOCK_INPUT; | |
4261 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4262 | break; |
4263 | } | |
4264 | } | |
4265 | ||
502add23 RS |
4266 | #ifdef X_IO_BUG |
4267 | if (! event_found) | |
4268 | /* On some systems, an X bug causes Emacs to get no more events | |
7071e5dd | 4269 | when the window is destroyed. Detect that. (1994.) */ |
502add23 RS |
4270 | XNoOp (x_current_display); |
4271 | #endif /* X_IO_BUG */ | |
4272 | ||
7071e5dd RS |
4273 | #if 0 /* This fails for serial-line connections to the X server, |
4274 | because the characters arrive one by one, and a partial | |
4275 | command makes select return but gives nothing to read. | |
4276 | We'll have to hope that the bug that this tried to fix | |
4277 | in 1988 has been fixed in Xlib or the X server. */ | |
dc6f92b8 JB |
4278 | #ifdef HAVE_SELECT |
4279 | if (expected && ! event_found) | |
4280 | { | |
4281 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
4282 | there is an EOF condition; in other words, that X has died. | |
4283 | Act as if there had been a hangup. */ | |
dc6f92b8 | 4284 | int fd = ConnectionNumber (x_current_display); |
307feb1f | 4285 | SELECT_TYPE mask, junk1, junk2; |
66f55a9d | 4286 | EMACS_TIME timeout; |
dc6f92b8 | 4287 | |
61c3ce62 RS |
4288 | FD_ZERO (&mask); |
4289 | FD_SET (fd, &mask); | |
66f55a9d | 4290 | EMACS_SET_SECS_USECS (timeout, 0, 0); |
307feb1f RS |
4291 | FD_ZERO (&junk1); |
4292 | FD_ZERO (&junk2); | |
4293 | if (0 != select (fd + 1, &mask, &junk1, &junk2, &timeout) | |
dc6f92b8 JB |
4294 | && !XStuffPending ()) |
4295 | kill (getpid (), SIGHUP); | |
4296 | } | |
61c3ce62 | 4297 | #endif /* HAVE_SELECT */ |
7071e5dd | 4298 | #endif /* 0 */ |
dc6f92b8 | 4299 | |
f451eb13 | 4300 | #ifndef HAVE_X11 |
f676886a | 4301 | if (updating_frame == 0) |
dc6f92b8 | 4302 | x_do_pending_expose (); |
f451eb13 | 4303 | #endif |
dc6f92b8 JB |
4304 | |
4305 | UNBLOCK_INPUT; | |
4306 | return count; | |
4307 | } | |
4308 | ||
4309 | #ifndef HAVE_X11 | |
4310 | /* Read and process only Expose events | |
4311 | until we get an ExposeCopy event; then return. | |
4312 | This is used in insert/delete line. | |
4313 | We assume input is already blocked. */ | |
4314 | ||
4315 | static void | |
4316 | x_read_exposes () | |
4317 | { | |
f676886a | 4318 | struct frame *f; |
dc6f92b8 JB |
4319 | XKeyPressedEvent event; |
4320 | ||
4321 | while (1) | |
4322 | { | |
4323 | /* while there are more events*/ | |
4324 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
4325 | switch (event.type) | |
4326 | { | |
4327 | case ExposeWindow: | |
4328 | if (event.subwindow != 0) | |
4329 | break; /* duplicate event */ | |
f676886a JB |
4330 | f = x_window_to_frame (event.window); |
4331 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 4332 | { |
f676886a | 4333 | refreshicon (f); |
dc6f92b8 JB |
4334 | break; |
4335 | } | |
c118dd06 | 4336 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
4337 | { |
4338 | expose_all_windows = 1; | |
f676886a | 4339 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
4340 | break; |
4341 | } | |
4342 | break; | |
4343 | ||
4344 | case ExposeRegion: | |
4345 | if (event.subwindow != 0) | |
4346 | break; /* duplicate event */ | |
f676886a JB |
4347 | f = x_window_to_frame (event.window); |
4348 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 4349 | { |
f676886a | 4350 | refreshicon (f); |
dc6f92b8 JB |
4351 | break; |
4352 | } | |
4353 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 4354 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
4355 | break; |
4356 | /* Put the event on the queue of rectangles to redraw. */ | |
4357 | if (enqueue_event (&event, &x_expose_queue)) | |
4358 | /* If it is full, we can't record the rectangle, | |
4359 | so redraw this entire window. */ | |
4360 | { | |
4361 | /* Say must check all windows' needs_exposure flags. */ | |
4362 | expose_all_windows = 1; | |
f676886a | 4363 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
4364 | } |
4365 | break; | |
4366 | ||
4367 | case ExposeCopy: | |
4368 | return; | |
4369 | } | |
4370 | } | |
4371 | } | |
4372 | #endif /* HAVE_X11 */ | |
4373 | ||
dc6f92b8 | 4374 | \f |
f451eb13 JB |
4375 | /* Drawing the cursor. */ |
4376 | ||
4377 | ||
dc6f92b8 JB |
4378 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
4379 | ||
4380 | static void | |
f676886a JB |
4381 | x_draw_box (f) |
4382 | struct frame *f; | |
dc6f92b8 | 4383 | { |
12ba150f JB |
4384 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
4385 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a | 4386 | int width = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 4387 | int height = f->display.x->line_height; |
dc6f92b8 JB |
4388 | |
4389 | #ifdef HAVE_X11 | |
c118dd06 | 4390 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4391 | f->display.x->cursor_gc, |
dc6f92b8 | 4392 | left, top, width - 1, height - 1); |
c118dd06 JB |
4393 | #else /* ! defined (HAVE_X11) */ |
4394 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 4395 | left, top, width, 1, |
f676886a | 4396 | f->display.x->cursor_pixel); |
dc6f92b8 | 4397 | |
c118dd06 | 4398 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4399 | left, top, 1, height, |
f676886a | 4400 | f->display.x->cursor_pixel); |
dc6f92b8 | 4401 | |
c118dd06 | 4402 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4403 | left+width-1, top, 1, height, |
f676886a | 4404 | f->display.x->cursor_pixel); |
dc6f92b8 | 4405 | |
c118dd06 | 4406 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4407 | left, top+height-1, width, 1, |
f676886a | 4408 | f->display.x->cursor_pixel); |
c118dd06 | 4409 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4410 | } |
4411 | ||
f676886a | 4412 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4413 | and mark the cursor as not shown. |
4414 | This is used when the text where the cursor is | |
4415 | is about to be rewritten. */ | |
4416 | ||
4417 | static void | |
f676886a JB |
4418 | clear_cursor (f) |
4419 | struct frame *f; | |
dc6f92b8 JB |
4420 | { |
4421 | int mask; | |
4422 | ||
f451eb13 | 4423 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4424 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4425 | return; |
4426 | ||
4427 | #ifdef HAVE_X11 | |
f676886a | 4428 | x_display_cursor (f, 0); |
c118dd06 JB |
4429 | #else /* ! defined (HAVE_X11) */ |
4430 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
4431 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4432 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
a27f9f86 | 4433 | FONT_WIDTH (f->display.x->font), f->display.x->line_height, |
f676886a | 4434 | f->display.x->background_pixel); |
c118dd06 | 4435 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 4436 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4437 | } |
4438 | ||
f676886a | 4439 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4440 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4441 | glyph drawn. */ | |
dc6f92b8 JB |
4442 | |
4443 | static void | |
f676886a JB |
4444 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4445 | struct frame *f; | |
dc6f92b8 | 4446 | int row, column; |
90e65f07 | 4447 | GLYPH glyph; |
dc6f92b8 JB |
4448 | int highlight; |
4449 | { | |
f676886a | 4450 | dumpglyphs (f, |
12ba150f JB |
4451 | CHAR_TO_PIXEL_COL (f, column), |
4452 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4453 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4454 | } |
4455 | ||
dc6f92b8 | 4456 | static void |
dbc4e1c1 | 4457 | x_display_bar_cursor (f, on) |
f676886a | 4458 | struct frame *f; |
dc6f92b8 JB |
4459 | int on; |
4460 | { | |
f676886a | 4461 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4462 | |
49d838ea JB |
4463 | /* This is pointless on invisible frames, and dangerous on garbaged |
4464 | frames; in the latter case, the frame may be in the midst of | |
4465 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4466 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
4467 | return; |
4468 | ||
4469 | if (! on && f->phys_cursor_x < 0) | |
4470 | return; | |
4471 | ||
f676886a | 4472 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 4473 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 4474 | if (f != updating_frame) |
1113d9db | 4475 | { |
f676886a JB |
4476 | curs_x = FRAME_CURSOR_X (f); |
4477 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
4478 | } |
4479 | ||
dbc4e1c1 JB |
4480 | /* If there is anything wrong with the current cursor state, remove it. */ |
4481 | if (f->phys_cursor_x >= 0 | |
4482 | && (!on | |
4483 | || f->phys_cursor_x != curs_x | |
4484 | || f->phys_cursor_y != curs_y | |
4485 | || f->display.x->current_cursor != bar_cursor)) | |
4486 | { | |
4487 | /* Erase the cursor by redrawing the character underneath it. */ | |
4488 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4489 | f->phys_cursor_glyph, | |
4490 | current_glyphs->highlight[f->phys_cursor_y]); | |
4491 | f->phys_cursor_x = -1; | |
4492 | } | |
4493 | ||
4494 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4495 | if (on | |
4496 | && (f->phys_cursor_x < 0 | |
4497 | || (f->display.x->current_cursor != bar_cursor))) | |
4498 | { | |
4499 | f->phys_cursor_glyph | |
4500 | = ((current_glyphs->enable[curs_y] | |
4501 | && curs_x < current_glyphs->used[curs_y]) | |
4502 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4503 | : SPACEGLYPH); | |
4504 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
4505 | f->display.x->cursor_gc, | |
4506 | CHAR_TO_PIXEL_COL (f, curs_x), | |
4507 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
a27f9f86 | 4508 | 1, f->display.x->line_height); |
dbc4e1c1 JB |
4509 | |
4510 | f->phys_cursor_x = curs_x; | |
4511 | f->phys_cursor_y = curs_y; | |
4512 | ||
4513 | f->display.x->current_cursor = bar_cursor; | |
4514 | } | |
4515 | ||
4516 | if (updating_frame != f) | |
4517 | XFlushQueue (); | |
4518 | } | |
4519 | ||
4520 | ||
4521 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4522 | If ON is nonzero, where to put the cursor is specified | |
4523 | by F->cursor_x and F->cursor_y. */ | |
4524 | ||
4525 | static void | |
4526 | x_display_box_cursor (f, on) | |
4527 | struct frame *f; | |
4528 | int on; | |
4529 | { | |
4530 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4531 | ||
49d838ea JB |
4532 | /* This is pointless on invisible frames, and dangerous on garbaged |
4533 | frames; in the latter case, the frame may be in the midst of | |
4534 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4535 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
4536 | return; |
4537 | ||
4538 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4539 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4540 | return; |
4541 | ||
dbc4e1c1 JB |
4542 | /* If we're not updating, then we want to use the current frame's |
4543 | cursor position, not our local idea of where the cursor ought to be. */ | |
4544 | if (f != updating_frame) | |
4545 | { | |
4546 | curs_x = FRAME_CURSOR_X (f); | |
4547 | curs_y = FRAME_CURSOR_Y (f); | |
4548 | } | |
4549 | ||
dc6f92b8 JB |
4550 | /* If cursor is currently being shown and we don't want it to be |
4551 | or it is in the wrong place, | |
4552 | or we want a hollow box and it's not so, (pout!) | |
4553 | erase it. */ | |
f676886a | 4554 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4555 | && (!on |
f676886a JB |
4556 | || f->phys_cursor_x != curs_x |
4557 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 4558 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 4559 | && (f != x_highlight_frame)))) |
dc6f92b8 | 4560 | { |
0cdd0c9f RS |
4561 | /* If the font is not as tall as a whole line, |
4562 | we must explicitly clear the line's whole height. */ | |
4563 | if (FONT_HEIGHT (f->display.x->font) != f->display.x->line_height) | |
4564 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
4565 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), | |
4566 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
4567 | FONT_WIDTH (f->display.x->font), | |
4568 | f->display.x->line_height, False); | |
dc6f92b8 | 4569 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4570 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4571 | f->phys_cursor_glyph, | |
4572 | current_glyphs->highlight[f->phys_cursor_y]); | |
4573 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
4574 | } |
4575 | ||
4576 | /* If we want to show a cursor, | |
4577 | or we want a box cursor and it's not so, | |
4578 | write it in the right place. */ | |
4579 | if (on | |
f676886a | 4580 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 4581 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 4582 | && f == x_highlight_frame))) |
dc6f92b8 | 4583 | { |
f676886a | 4584 | f->phys_cursor_glyph |
1113d9db JB |
4585 | = ((current_glyphs->enable[curs_y] |
4586 | && curs_x < current_glyphs->used[curs_y]) | |
4587 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 4588 | : SPACEGLYPH); |
f676886a | 4589 | if (f != x_highlight_frame) |
dc6f92b8 | 4590 | { |
f676886a | 4591 | x_draw_box (f); |
dbc4e1c1 | 4592 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4593 | } |
4594 | else | |
4595 | { | |
f676886a JB |
4596 | x_draw_single_glyph (f, curs_y, curs_x, |
4597 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 4598 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4599 | } |
4600 | ||
f676886a JB |
4601 | f->phys_cursor_x = curs_x; |
4602 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
4603 | } |
4604 | ||
f676886a | 4605 | if (updating_frame != f) |
dc6f92b8 JB |
4606 | XFlushQueue (); |
4607 | } | |
4608 | ||
f676886a JB |
4609 | x_display_cursor (f, on) |
4610 | struct frame *f; | |
dc6f92b8 JB |
4611 | int on; |
4612 | { | |
f94397b5 KH |
4613 | BLOCK_INPUT; |
4614 | ||
dbc4e1c1 | 4615 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 4616 | x_display_box_cursor (f, on); |
dbc4e1c1 | 4617 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 4618 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
4619 | else |
4620 | /* Those are the only two we have implemented! */ | |
4621 | abort (); | |
f94397b5 KH |
4622 | |
4623 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4624 | } |
4625 | \f | |
4626 | /* Icons. */ | |
4627 | ||
f676886a | 4628 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4629 | when we get an expose event for it. */ |
4630 | ||
f676886a JB |
4631 | refreshicon (f) |
4632 | struct frame *f; | |
dc6f92b8 JB |
4633 | { |
4634 | #ifdef HAVE_X11 | |
4635 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 4636 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4637 | int mask; |
4638 | ||
f676886a JB |
4639 | if (f->display.x->icon_bitmap_flag) |
4640 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
4641 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
4642 | icon_bitmap, GXcopy, AllPlanes); | |
4643 | else | |
4644 | { | |
f676886a | 4645 | extern struct frame *selected_frame; |
dc6f92b8 JB |
4646 | struct Lisp_String *str; |
4647 | unsigned char *string; | |
4648 | ||
4649 | string | |
f676886a | 4650 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 4651 | |
f676886a | 4652 | if (f->display.x->icon_label != string) |
dc6f92b8 | 4653 | { |
f676886a JB |
4654 | f->display.x->icon_label = string; |
4655 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
4656 | XQueryWidth (string, icon_font_info->id) + 10, |
4657 | icon_font_info->height + 10); | |
4658 | } | |
4659 | ||
f676886a | 4660 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
4661 | str->size, icon_font_info->id, |
4662 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
4663 | } | |
4664 | XFlushQueue (); | |
c118dd06 | 4665 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4666 | } |
4667 | ||
dbc4e1c1 | 4668 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4669 | |
4670 | int | |
f676886a JB |
4671 | x_bitmap_icon (f) |
4672 | struct frame *f; | |
dc6f92b8 JB |
4673 | { |
4674 | int mask; | |
4675 | Window icon_window; | |
4676 | ||
c118dd06 | 4677 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4678 | return 1; |
4679 | ||
4680 | #ifdef HAVE_X11 | |
8583db58 RS |
4681 | if (! icon_bitmap) |
4682 | icon_bitmap = | |
4683 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), | |
4684 | gnu_bits, gnu_width, gnu_height); | |
f676886a JB |
4685 | x_wm_set_icon_pixmap (f, icon_bitmap); |
4686 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 4687 | #else /* ! defined (HAVE_X11) */ |
f676886a | 4688 | if (f->display.x->icon_desc) |
dc6f92b8 | 4689 | { |
c118dd06 | 4690 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 4691 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
4692 | } |
4693 | ||
f676886a | 4694 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
4695 | 0, 0, sink_width, sink_height, |
4696 | 2, WhitePixmap, (Pixmap) NULL); | |
4697 | ||
4698 | if (icon_window == 0) | |
4699 | return 1; | |
4700 | ||
c118dd06 | 4701 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4702 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
4703 | ||
f676886a JB |
4704 | f->display.x->icon_desc = icon_window; |
4705 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
4706 | |
4707 | if (icon_bitmap == 0) | |
4708 | icon_bitmap | |
4709 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 4710 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4711 | |
4712 | return 0; | |
4713 | } | |
4714 | ||
4715 | ||
f676886a | 4716 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
4717 | |
4718 | int | |
f676886a JB |
4719 | x_text_icon (f, icon_name) |
4720 | struct frame *f; | |
dc6f92b8 JB |
4721 | char *icon_name; |
4722 | { | |
4723 | #ifndef HAVE_X11 | |
4724 | int mask; | |
4725 | int width; | |
4726 | Window icon_window; | |
4727 | char *X_DefaultValue; | |
4728 | Bitmap b1; | |
4729 | ||
dc6f92b8 JB |
4730 | #ifndef WhitePixel |
4731 | #define WhitePixel 1 | |
c118dd06 | 4732 | #endif /* WhitePixel */ |
dc6f92b8 JB |
4733 | |
4734 | #ifndef BlackPixel | |
4735 | #define BlackPixel 0 | |
c118dd06 JB |
4736 | #endif /* BlackPixel */ |
4737 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 4738 | |
c118dd06 | 4739 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4740 | return 1; |
4741 | ||
dc6f92b8 JB |
4742 | #ifdef HAVE_X11 |
4743 | if (icon_name) | |
f676886a | 4744 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 4745 | else |
f676886a JB |
4746 | if (! f->display.x->icon_label) |
4747 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 4748 | |
dfeccd2d | 4749 | #if 0 |
c118dd06 | 4750 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4751 | (char *) f->display.x->icon_label); |
dfeccd2d | 4752 | #endif |
dc6f92b8 | 4753 | |
f676886a | 4754 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 4755 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 4756 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
4757 | if (icon_font_info == 0) |
4758 | icon_font_info | |
4759 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 4760 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
4761 | "BodyFont")); |
4762 | ||
f676886a | 4763 | if (f->display.x->icon_desc) |
dc6f92b8 | 4764 | { |
c118dd06 | 4765 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 4766 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
4767 | } |
4768 | ||
4769 | if (icon_name) | |
f676886a | 4770 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 4771 | else |
f676886a JB |
4772 | if (! f->display.x->icon_label) |
4773 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 4774 | |
f676886a JB |
4775 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
4776 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
4777 | f->display.x->left_pos, | |
4778 | f->display.x->top_pos, | |
dc6f92b8 JB |
4779 | width + 10, icon_font_info->height + 10, |
4780 | 2, BlackPixmap, WhitePixmap); | |
4781 | ||
4782 | if (icon_window == 0) | |
4783 | return 1; | |
4784 | ||
c118dd06 | 4785 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4786 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
4787 | ||
f676886a JB |
4788 | f->display.x->icon_desc = icon_window; |
4789 | f->display.x->icon_bitmap_flag = 0; | |
4790 | f->display.x->icon_label = 0; | |
c118dd06 | 4791 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4792 | |
4793 | return 0; | |
4794 | } | |
4795 | \f | |
4746118a JB |
4796 | /* Handling X errors. */ |
4797 | ||
12ba150f JB |
4798 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
4799 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 4800 | |
4746118a | 4801 | static SIGTYPE |
c118dd06 | 4802 | x_connection_closed () |
4746118a JB |
4803 | { |
4804 | if (_Xdebug) | |
4805 | abort (); | |
12ba150f | 4806 | |
1cd2d6d4 | 4807 | shut_down_emacs (0, 1, Qnil); |
12ba150f JB |
4808 | |
4809 | exit (70); | |
4746118a JB |
4810 | } |
4811 | ||
8922af5f JB |
4812 | /* An X error handler which prints an error message and then kills |
4813 | Emacs. This is what's normally installed as Xlib's handler for | |
4814 | protocol errors. */ | |
c118dd06 JB |
4815 | static int |
4816 | x_error_quitter (display, error) | |
4817 | Display *display; | |
4818 | XErrorEvent *error; | |
4819 | { | |
4820 | char buf[256]; | |
dc6f92b8 | 4821 | |
c118dd06 JB |
4822 | /* Note that there is no real way portable across R3/R4 to get the |
4823 | original error handler. */ | |
dc6f92b8 | 4824 | |
c118dd06 JB |
4825 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
4826 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
4827 | buf, error->request_code); | |
dc6f92b8 | 4828 | |
e09f9351 | 4829 | #if 0 |
12ba150f JB |
4830 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4831 | get an X error, so we can figure out why it happened. */ | |
4832 | abort (); | |
e09f9351 | 4833 | #endif |
12ba150f | 4834 | |
c118dd06 | 4835 | x_connection_closed (); |
dc6f92b8 JB |
4836 | } |
4837 | ||
8922af5f JB |
4838 | /* A handler for X IO errors which prints an error message and then |
4839 | kills Emacs. This is what is always installed as Xlib's handler | |
4840 | for I/O errors. */ | |
4841 | static int | |
4842 | x_io_error_quitter (display) | |
4843 | Display *display; | |
4844 | { | |
4845 | fprintf (stderr, "Connection to X server %s lost.\n", | |
4846 | XDisplayName (DisplayString (display))); | |
4847 | ||
e09f9351 | 4848 | #if 0 |
8922af5f JB |
4849 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4850 | get an X error, so we can figure out why it happened. */ | |
4851 | abort (); | |
e09f9351 | 4852 | #endif |
8922af5f JB |
4853 | |
4854 | x_connection_closed (); | |
4855 | } | |
4856 | ||
c118dd06 | 4857 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4858 | static char *x_caught_error_message; |
4859 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4860 | |
4861 | /* An X error handler which stores the error message in | |
4862 | x_caught_error_message. This is what's installed when | |
4863 | x_catch_errors is in effect. */ | |
4864 | static int | |
4865 | x_error_catcher (display, error) | |
4866 | Display *display; | |
4867 | XErrorEvent *error; | |
4868 | { | |
4869 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4870 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4871 | } |
4872 | ||
4873 | ||
4874 | /* Begin trapping X errors. | |
dc6f92b8 | 4875 | |
c118dd06 JB |
4876 | After calling this function, X protocol errors no longer cause |
4877 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4878 | |
c118dd06 JB |
4879 | Calling x_check_errors signals an Emacs error if an X error has |
4880 | occurred since the last call to x_catch_errors or x_check_errors. | |
4881 | ||
4882 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4883 | ||
bc20ebbf | 4884 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4885 | |
4886 | void | |
4887 | x_catch_errors () | |
dc6f92b8 | 4888 | { |
c118dd06 JB |
4889 | /* Make sure any errors from previous requests have been dealt with. */ |
4890 | XSync (x_current_display, False); | |
dc6f92b8 | 4891 | |
c118dd06 | 4892 | /* Set up the error buffer. */ |
60f9aad3 | 4893 | x_caught_error_message |
cef13e55 RS |
4894 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4895 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4896 | |
c118dd06 JB |
4897 | /* Install our little error handler. */ |
4898 | XHandleError (x_error_catcher); | |
4899 | } | |
16bd92ea | 4900 | |
c118dd06 JB |
4901 | /* If any X protocol errors have arrived since the last call to |
4902 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4903 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4904 | |
c118dd06 JB |
4905 | void |
4906 | x_check_errors (format) | |
4907 | char *format; | |
4908 | { | |
4909 | /* Make sure to catch any errors incurred so far. */ | |
4910 | XSync (x_current_display, False); | |
16bd92ea | 4911 | |
cef13e55 | 4912 | if (x_caught_error_message[0]) |
c118dd06 | 4913 | { |
cef13e55 | 4914 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4915 | |
cef13e55 | 4916 | sprintf (buf, format, x_caught_error_message); |
c118dd06 JB |
4917 | x_uncatch_errors (); |
4918 | error (buf); | |
4919 | } | |
4920 | } | |
4921 | ||
b849c413 RS |
4922 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4923 | ||
4924 | int | |
4925 | x_had_errors_p () | |
4926 | { | |
4927 | /* Make sure to catch any errors incurred so far. */ | |
4928 | XSync (x_current_display, False); | |
4929 | ||
4930 | return x_caught_error_message[0] != 0; | |
4931 | } | |
4932 | ||
812361a1 RS |
4933 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4934 | ||
c118dd06 JB |
4935 | void |
4936 | x_uncatch_errors () | |
4937 | { | |
9ac0d9e0 | 4938 | xfree (x_caught_error_message); |
cef13e55 | 4939 | x_caught_error_message = 0; |
c118dd06 | 4940 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
4941 | } |
4942 | ||
dc6f92b8 JB |
4943 | #if 0 |
4944 | static unsigned int x_wire_count; | |
4945 | x_trace_wire () | |
4946 | { | |
4947 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4948 | } | |
c118dd06 | 4949 | #endif /* ! 0 */ |
dc6f92b8 JB |
4950 | |
4951 | \f | |
f451eb13 JB |
4952 | /* Changing the font of the frame. */ |
4953 | ||
f676886a | 4954 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 4955 | to the font named NEWNAME. This is safe to use |
f676886a | 4956 | even before F has an actual x-window. */ |
dc6f92b8 JB |
4957 | |
4958 | #ifdef HAVE_X11 | |
4959 | ||
2224a5fc RS |
4960 | struct font_info |
4961 | { | |
4962 | XFontStruct *font; | |
4963 | char *name; | |
4964 | }; | |
4965 | ||
dc6f92b8 | 4966 | /* A table of all the fonts we have already loaded. */ |
2224a5fc | 4967 | static struct font_info *x_font_table; |
dc6f92b8 JB |
4968 | |
4969 | /* The current capacity of x_font_table. */ | |
4970 | static int x_font_table_size; | |
4971 | ||
4972 | /* The number of fonts actually stored in x_font_table. | |
4973 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
4974 | 0 <= n_fonts <= x_font_table_size. */ | |
4975 | static int n_fonts; | |
4976 | ||
b5cf7a0e | 4977 | Lisp_Object |
f676886a JB |
4978 | x_new_font (f, fontname) |
4979 | struct frame *f; | |
dc6f92b8 JB |
4980 | register char *fontname; |
4981 | { | |
dc6f92b8 JB |
4982 | int already_loaded; |
4983 | int n_matching_fonts; | |
4984 | XFontStruct *font_info; | |
4985 | char **font_names; | |
4986 | ||
4987 | /* Get a list of all the fonts that match this name. Once we | |
4988 | have a list of matching fonts, we compare them against the fonts | |
4989 | we already have by comparing font ids. */ | |
2224a5fc RS |
4990 | font_names = (char **) XListFonts (x_current_display, fontname, |
4991 | 1024, &n_matching_fonts); | |
0c94f6ee JB |
4992 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4993 | find any matches; font_names == 0 is the only clue. */ | |
4994 | if (! font_names) | |
4995 | n_matching_fonts = 0; | |
4996 | ||
5835f860 RS |
4997 | /* Don't just give up if n_matching_fonts is 0. |
4998 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4999 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 5000 | |
90e65f07 | 5001 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
5002 | already_loaded = -1; |
5003 | if (n_matching_fonts != 0) | |
5004 | { | |
5005 | int i, j; | |
dc6f92b8 | 5006 | |
5835f860 RS |
5007 | for (i = 0; i < n_fonts; i++) |
5008 | for (j = 0; j < n_matching_fonts; j++) | |
2224a5fc | 5009 | if (!strcmp (x_font_table[i].name, font_names[j])) |
5835f860 RS |
5010 | { |
5011 | already_loaded = i; | |
5012 | fontname = font_names[j]; | |
5013 | goto found_font; | |
5014 | } | |
5015 | } | |
dc6f92b8 JB |
5016 | found_font: |
5017 | ||
5018 | /* If we have, just return it from the table. */ | |
2224a5fc RS |
5019 | if (already_loaded >= 0) |
5020 | f->display.x->font = x_font_table[already_loaded].font; | |
90e65f07 | 5021 | |
dc6f92b8 JB |
5022 | /* Otherwise, load the font and add it to the table. */ |
5023 | else | |
5024 | { | |
9696f58b | 5025 | int i; |
dc6f92b8 JB |
5026 | XFontStruct *font; |
5027 | ||
9696f58b | 5028 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
5029 | #if 0 |
5030 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
5031 | for (i = 0; i < n_matching_fonts; i++) |
5032 | if (! font_info[i].per_char) | |
5033 | break; | |
f126bd67 JB |
5034 | #else |
5035 | i = 0; | |
5036 | #endif | |
9696f58b | 5037 | |
5835f860 RS |
5038 | /* See comment above. */ |
5039 | if (n_matching_fonts != 0) | |
9696f58b JB |
5040 | fontname = font_names[i]; |
5041 | ||
dc6f92b8 JB |
5042 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
5043 | if (! font) | |
5835f860 | 5044 | { |
2224a5fc | 5045 | /* Free the information from XListFonts. */ |
5835f860 | 5046 | if (n_matching_fonts) |
2224a5fc | 5047 | XFreeFontNames (font_names); |
5835f860 RS |
5048 | return Qnil; |
5049 | } | |
dc6f92b8 JB |
5050 | |
5051 | /* Do we need to create the table? */ | |
5052 | if (x_font_table_size == 0) | |
5053 | { | |
5054 | x_font_table_size = 16; | |
5055 | x_font_table | |
2224a5fc RS |
5056 | = (struct font_info *) xmalloc (x_font_table_size |
5057 | * sizeof (x_font_table[0])); | |
dc6f92b8 JB |
5058 | } |
5059 | /* Do we need to grow the table? */ | |
5060 | else if (n_fonts >= x_font_table_size) | |
5061 | { | |
90e65f07 | 5062 | x_font_table_size *= 2; |
dc6f92b8 | 5063 | x_font_table |
2224a5fc RS |
5064 | = (struct font_info *) xrealloc (x_font_table, |
5065 | (x_font_table_size | |
5066 | * sizeof (x_font_table[0]))); | |
dc6f92b8 JB |
5067 | } |
5068 | ||
dff815ef | 5069 | x_font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); |
2224a5fc RS |
5070 | bcopy (fontname, x_font_table[n_fonts].name, strlen (fontname) + 1); |
5071 | f->display.x->font = x_font_table[n_fonts++].font = font; | |
dc6f92b8 | 5072 | } |
2224a5fc | 5073 | |
f676886a | 5074 | /* Now make the frame display the given font. */ |
c118dd06 | 5075 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 5076 | { |
f676886a JB |
5077 | XSetFont (x_current_display, f->display.x->normal_gc, |
5078 | f->display.x->font->fid); | |
5079 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
5080 | f->display.x->font->fid); | |
5081 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
5082 | f->display.x->font->fid); | |
5083 | ||
a27f9f86 | 5084 | frame_update_line_height (f); |
dc6f92b8 | 5085 | } |
a27f9f86 RS |
5086 | else |
5087 | /* If we are setting a new frame's font for the first time, | |
5088 | there are no faces yet, so this font's height is the line height. */ | |
0cdd0c9f | 5089 | f->display.x->line_height = FONT_HEIGHT (f->display.x->font); |
dc6f92b8 | 5090 | |
b5cf7a0e | 5091 | { |
abdda982 | 5092 | Lisp_Object lispy_name; |
b5cf7a0e | 5093 | |
abdda982 | 5094 | lispy_name = build_string (fontname); |
b5cf7a0e | 5095 | |
2224a5fc | 5096 | /* Free the information from XListFonts. The data |
b5cf7a0e | 5097 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 5098 | XFreeFontNames (font_names); |
b5cf7a0e JB |
5099 | |
5100 | return lispy_name; | |
5101 | } | |
dc6f92b8 | 5102 | } |
c118dd06 | 5103 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
5104 | x_new_font (f, newname) |
5105 | struct frame *f; | |
dc6f92b8 JB |
5106 | register char *newname; |
5107 | { | |
5108 | FONT_TYPE *temp; | |
5109 | int mask; | |
5110 | ||
5111 | temp = XGetFont (newname); | |
5112 | if (temp == (FONT_TYPE *) 0) | |
5113 | return 1; | |
5114 | ||
f676886a JB |
5115 | if (f->display.x->font) |
5116 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 5117 | |
f676886a | 5118 | f->display.x->font = temp; |
dc6f92b8 | 5119 | |
c118dd06 | 5120 | if (FRAME_X_WINDOW (f) != 0) |
bc20ebbf | 5121 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 JB |
5122 | |
5123 | return 0; | |
5124 | } | |
c118dd06 | 5125 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5126 | \f |
f676886a JB |
5127 | x_calc_absolute_position (f) |
5128 | struct frame *f; | |
dc6f92b8 JB |
5129 | { |
5130 | #ifdef HAVE_X11 | |
6dba1858 RS |
5131 | Window win, child; |
5132 | int win_x = 0, win_y = 0; | |
5133 | ||
5134 | /* Find the position of the outside upper-left corner of | |
5135 | the inner window, with respect to the outer window. */ | |
5136 | if (f->display.x->parent_desc != ROOT_WINDOW) | |
5137 | { | |
5138 | BLOCK_INPUT; | |
5139 | XTranslateCoordinates (x_current_display, | |
5140 | ||
5141 | /* From-window, to-window. */ | |
5142 | f->display.x->window_desc, | |
5143 | f->display.x->parent_desc, | |
5144 | ||
5145 | /* From-position, to-position. */ | |
5146 | 0, 0, &win_x, &win_y, | |
5147 | ||
5148 | /* Child of win. */ | |
5149 | &child); | |
5150 | UNBLOCK_INPUT; | |
5151 | } | |
5152 | ||
5153 | /* Treat negative positions as relative to the leftmost bottommost | |
5154 | position that fits on the screen. */ | |
f676886a | 5155 | if (f->display.x->left_pos < 0) |
31ea78fd | 5156 | f->display.x->left_pos = (x_screen_width |
69388238 | 5157 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
5158 | - PIXEL_WIDTH (f) |
5159 | + f->display.x->left_pos); | |
dc6f92b8 | 5160 | |
f676886a | 5161 | if (f->display.x->top_pos < 0) |
31ea78fd | 5162 | f->display.x->top_pos = (x_screen_height |
69388238 | 5163 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
5164 | - PIXEL_HEIGHT (f) |
5165 | + f->display.x->top_pos); | |
6dba1858 | 5166 | |
c118dd06 | 5167 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5168 | WINDOWINFO_TYPE parentinfo; |
5169 | ||
c118dd06 | 5170 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 5171 | |
f676886a JB |
5172 | if (f->display.x->left_pos < 0) |
5173 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
5174 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 5175 | |
f676886a JB |
5176 | if (f->display.x->top_pos < 0) |
5177 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
5178 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 5179 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5180 | } |
5181 | ||
f676886a JB |
5182 | x_set_offset (f, xoff, yoff) |
5183 | struct frame *f; | |
dc6f92b8 JB |
5184 | register int xoff, yoff; |
5185 | { | |
f676886a JB |
5186 | f->display.x->top_pos = yoff; |
5187 | f->display.x->left_pos = xoff; | |
5188 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
5189 | |
5190 | BLOCK_INPUT; | |
3afe33e7 RS |
5191 | #ifdef USE_X_TOOLKIT |
5192 | XMoveWindow (XDISPLAY XtWindow (f->display.x->widget), | |
5193 | f->display.x->left_pos, f->display.x->top_pos); | |
5194 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5195 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 5196 | f->display.x->left_pos, f->display.x->top_pos); |
3afe33e7 | 5197 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5198 | #ifdef HAVE_X11 |
bc20ebbf | 5199 | x_wm_set_size_hint (f, 0, 1, xoff, yoff); |
c118dd06 | 5200 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5201 | UNBLOCK_INPUT; |
5202 | } | |
5203 | ||
bc20ebbf FP |
5204 | /* Call this to change the size of frame F's x-window. |
5205 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
5206 | for this size change and subsequent size changes. | |
5207 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 5208 | |
bc20ebbf | 5209 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 5210 | struct frame *f; |
bc20ebbf | 5211 | int change_gravity; |
b1c884c3 | 5212 | int cols, rows; |
dc6f92b8 JB |
5213 | { |
5214 | int pixelwidth, pixelheight; | |
5215 | int mask; | |
dc6f92b8 | 5216 | |
80fd1fe2 FP |
5217 | #ifdef USE_X_TOOLKIT |
5218 | BLOCK_INPUT; | |
5219 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
5220 | UNBLOCK_INPUT; | |
5221 | ||
5222 | #else /* not USE_X_TOOLKIT */ | |
5223 | ||
dc6f92b8 JB |
5224 | BLOCK_INPUT; |
5225 | ||
b1c884c3 | 5226 | check_frame_size (f, &rows, &cols); |
6dba1858 RS |
5227 | f->display.x->vertical_scroll_bar_extra |
5228 | = (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
5229 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
5230 | : 0); | |
f451eb13 JB |
5231 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
5232 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
5233 | |
5234 | #ifdef HAVE_X11 | |
bc20ebbf | 5235 | x_wm_set_size_hint (f, 0, change_gravity, 0, 0); |
c118dd06 | 5236 | #endif /* ! defined (HAVE_X11) */ |
0cdd0c9f | 5237 | XSync (x_current_display, False); |
c118dd06 | 5238 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); |
b1c884c3 JB |
5239 | |
5240 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
5241 | but the window manager will get around to dealing with the size | |
5242 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
5243 | ConfigureNotify event gets here. |
5244 | ||
5245 | We could just not bother storing any of this information here, | |
5246 | and let the ConfigureNotify event set everything up, but that | |
5247 | might be kind of confusing to the lisp code, since size changes | |
5248 | wouldn't be reported in the frame parameters until some random | |
5249 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 5250 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
5251 | PIXEL_WIDTH (f) = pixelwidth; |
5252 | PIXEL_HEIGHT (f) = pixelheight; | |
5253 | ||
dbc4e1c1 JB |
5254 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
5255 | receive in the ConfigureNotify event; if we get what we asked | |
5256 | for, then the event won't cause the screen to become garbaged, so | |
5257 | we have to make sure to do it here. */ | |
5258 | SET_FRAME_GARBAGED (f); | |
5259 | ||
dc6f92b8 JB |
5260 | XFlushQueue (); |
5261 | UNBLOCK_INPUT; | |
80fd1fe2 | 5262 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5263 | } |
5264 | ||
5265 | #ifndef HAVE_X11 | |
f676886a JB |
5266 | x_set_resize_hint (f) |
5267 | struct frame *f; | |
dc6f92b8 | 5268 | { |
12ba150f JB |
5269 | XSetResizeHint (FRAME_X_WINDOW (f), |
5270 | 2 * f->display.x->internal_border_width, | |
f676886a | 5271 | 2 * f->display.x->internal_border_width, |
12ba150f | 5272 | FONT_WIDTH (f->display.x->font), |
a27f9f86 | 5273 | f->display.x->line_height); |
dc6f92b8 | 5274 | } |
c118dd06 | 5275 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5276 | \f |
f451eb13 | 5277 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 5278 | |
f676886a JB |
5279 | x_set_mouse_position (f, x, y) |
5280 | struct frame *f; | |
dc6f92b8 JB |
5281 | int x, y; |
5282 | { | |
5283 | int pix_x, pix_y; | |
5284 | ||
4466efa5 | 5285 | #if 0 /* Let the user ask for this if he wants it. */ |
f676886a | 5286 | x_raise_frame (f); |
4466efa5 | 5287 | #endif |
dc6f92b8 | 5288 | |
12ba150f | 5289 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
a27f9f86 | 5290 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->display.x->line_height / 2; |
f451eb13 JB |
5291 | |
5292 | if (pix_x < 0) pix_x = 0; | |
5293 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
5294 | ||
5295 | if (pix_y < 0) pix_y = 0; | |
5296 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
5297 | |
5298 | BLOCK_INPUT; | |
dc6f92b8 | 5299 | |
c118dd06 | 5300 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
5301 | UNBLOCK_INPUT; |
5302 | } | |
5303 | ||
5304 | #ifdef HAVE_X11 | |
f676886a JB |
5305 | x_focus_on_frame (f) |
5306 | struct frame *f; | |
dc6f92b8 | 5307 | { |
1fb20991 | 5308 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 5309 | x_raise_frame (f); |
1fb20991 | 5310 | #endif |
6d4238f3 JB |
5311 | #if 0 |
5312 | /* I don't think that the ICCCM allows programs to do things like this | |
5313 | without the interaction of the window manager. Whatever you end up | |
f676886a | 5314 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 5315 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 5316 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5317 | #endif /* ! 0 */ |
dc6f92b8 JB |
5318 | } |
5319 | ||
f676886a JB |
5320 | x_unfocus_frame (f) |
5321 | struct frame *f; | |
dc6f92b8 | 5322 | { |
6d4238f3 | 5323 | #if 0 |
f676886a JB |
5324 | /* Look at the remarks in x_focus_on_frame. */ |
5325 | if (x_focus_frame == f) | |
dc6f92b8 JB |
5326 | XSetInputFocus (x_current_display, PointerRoot, |
5327 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 5328 | #endif /* ! 0 */ |
dc6f92b8 JB |
5329 | } |
5330 | ||
c118dd06 | 5331 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5332 | |
f676886a | 5333 | /* Raise frame F. */ |
dc6f92b8 | 5334 | |
f676886a JB |
5335 | x_raise_frame (f) |
5336 | struct frame *f; | |
dc6f92b8 | 5337 | { |
3a88c238 | 5338 | if (f->async_visible) |
dc6f92b8 JB |
5339 | { |
5340 | BLOCK_INPUT; | |
3afe33e7 RS |
5341 | #ifdef USE_X_TOOLKIT |
5342 | XRaiseWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
5343 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5344 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5345 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5346 | XFlushQueue (); |
5347 | UNBLOCK_INPUT; | |
5348 | } | |
5349 | } | |
5350 | ||
f676886a | 5351 | /* Lower frame F. */ |
dc6f92b8 | 5352 | |
f676886a JB |
5353 | x_lower_frame (f) |
5354 | struct frame *f; | |
dc6f92b8 | 5355 | { |
3a88c238 | 5356 | if (f->async_visible) |
dc6f92b8 JB |
5357 | { |
5358 | BLOCK_INPUT; | |
3afe33e7 RS |
5359 | #ifdef USE_X_TOOLKIT |
5360 | XLowerWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
5361 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5362 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5363 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5364 | XFlushQueue (); |
5365 | UNBLOCK_INPUT; | |
5366 | } | |
5367 | } | |
5368 | ||
dbc4e1c1 JB |
5369 | static void |
5370 | XTframe_raise_lower (f, raise) | |
5371 | FRAME_PTR f; | |
5372 | int raise; | |
5373 | { | |
5374 | if (raise) | |
5375 | x_raise_frame (f); | |
5376 | else | |
5377 | x_lower_frame (f); | |
5378 | } | |
5379 | ||
5380 | ||
dc6f92b8 JB |
5381 | /* Change from withdrawn state to mapped state. */ |
5382 | ||
f676886a JB |
5383 | x_make_frame_visible (f) |
5384 | struct frame *f; | |
dc6f92b8 JB |
5385 | { |
5386 | int mask; | |
5387 | ||
dc6f92b8 | 5388 | BLOCK_INPUT; |
dc6f92b8 | 5389 | |
f676886a | 5390 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
5391 | { |
5392 | #ifdef HAVE_X11 | |
5393 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 5394 | x_wm_set_window_state (f, NormalState); |
3afe33e7 RS |
5395 | #ifdef USE_X_TOOLKIT |
5396 | XtPopup (f->display.x->widget, XtGrabNone); | |
5397 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5398 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5399 | #endif /* not USE_X_TOOLKIT */ |
ab648270 | 5400 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
5401 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
5402 | #else /* ! defined (HAVE_X11) */ | |
5403 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
5404 | if (f->display.x->icon_desc != 0) |
5405 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 5406 | |
90e65f07 | 5407 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
5408 | f->async_visible = 1; |
5409 | f->async_iconified = 0; | |
dc6f92b8 | 5410 | |
f676886a | 5411 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 5412 | XTcursor_to (0, 0); |
c118dd06 | 5413 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 5414 | } |
dc6f92b8 | 5415 | |
dc6f92b8 | 5416 | XFlushQueue (); |
90e65f07 | 5417 | |
dc6f92b8 JB |
5418 | UNBLOCK_INPUT; |
5419 | } | |
5420 | ||
5421 | /* Change from mapped state to withdrawn state. */ | |
5422 | ||
f676886a JB |
5423 | x_make_frame_invisible (f) |
5424 | struct frame *f; | |
dc6f92b8 JB |
5425 | { |
5426 | int mask; | |
5427 | ||
9319ae23 RS |
5428 | /* Don't keep the highlight on an invisible frame. */ |
5429 | if (x_highlight_frame == f) | |
5430 | x_highlight_frame = 0; | |
5431 | ||
5432 | if (! f->async_visible && ! f->async_iconified) | |
dc6f92b8 JB |
5433 | return; |
5434 | ||
5435 | BLOCK_INPUT; | |
c118dd06 JB |
5436 | |
5437 | #ifdef HAVE_X11R4 | |
5438 | ||
bc20ebbf FP |
5439 | #ifdef USE_X_TOOLKIT |
5440 | if (! XWithdrawWindow (x_current_display, XtWindow (f->display.x->widget), | |
5441 | DefaultScreen (x_current_display))) | |
5442 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 JB |
5443 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), |
5444 | DefaultScreen (x_current_display))) | |
bc20ebbf | 5445 | #endif /* not USE_X_TOOLKIT */ |
c118dd06 JB |
5446 | { |
5447 | UNBLOCK_INPUT_RESIGNAL; | |
eb8c3be9 | 5448 | error ("can't notify window manager of window withdrawal"); |
c118dd06 JB |
5449 | } |
5450 | ||
5451 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 5452 | #ifdef HAVE_X11 |
16bd92ea | 5453 | |
c118dd06 | 5454 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5455 | if (! EQ (Vx_no_window_manager, Qt)) |
5456 | { | |
16bd92ea | 5457 | XEvent unmap; |
dc6f92b8 | 5458 | |
16bd92ea | 5459 | unmap.xunmap.type = UnmapNotify; |
bc20ebbf FP |
5460 | #ifdef USE_X_TOOLKIT |
5461 | unmap.xunmap.window = XtWindow (f->display.x->widget); | |
5462 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5463 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
bc20ebbf | 5464 | #endif /* not USE_X_TOOLKIT */ |
16bd92ea JB |
5465 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
5466 | unmap.xunmap.from_configure = False; | |
5467 | if (! XSendEvent (x_current_display, | |
5468 | DefaultRootWindow (x_current_display), | |
5469 | False, | |
5470 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5471 | &unmap)) | |
5472 | { | |
5473 | UNBLOCK_INPUT_RESIGNAL; | |
5474 | error ("can't notify window manager of withdrawal"); | |
5475 | } | |
dc6f92b8 JB |
5476 | } |
5477 | ||
16bd92ea | 5478 | /* Unmap the window ourselves. Cheeky! */ |
bc20ebbf FP |
5479 | #ifdef USE_X_TOOLKIT |
5480 | XUnmapWindow (x_current_display, XtWindow (f->display.x->widget)); | |
5481 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5482 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
bc20ebbf | 5483 | #endif /* not USE_X_TOOLKIT */ |
c118dd06 | 5484 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5485 | |
c118dd06 | 5486 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 5487 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 5488 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
5489 | XUnmapWindow (f->display.x->icon_desc); |
5490 | ||
5491 | #endif /* ! defined (HAVE_X11) */ | |
5492 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
5493 | |
5494 | XFlushQueue (); | |
5495 | UNBLOCK_INPUT; | |
5496 | } | |
5497 | ||
dc6f92b8 JB |
5498 | /* Change window state from mapped to iconified. */ |
5499 | ||
f676886a JB |
5500 | x_iconify_frame (f) |
5501 | struct frame *f; | |
dc6f92b8 JB |
5502 | { |
5503 | int mask; | |
3afe33e7 | 5504 | int result; |
dc6f92b8 | 5505 | |
9319ae23 RS |
5506 | /* Don't keep the highlight on an invisible frame. */ |
5507 | if (x_highlight_frame == f) | |
5508 | x_highlight_frame = 0; | |
5509 | ||
3a88c238 | 5510 | if (f->async_iconified) |
dc6f92b8 JB |
5511 | return; |
5512 | ||
3afe33e7 RS |
5513 | #ifdef USE_X_TOOLKIT |
5514 | BLOCK_INPUT; | |
5515 | result = XIconifyWindow (x_current_display, | |
bc20ebbf | 5516 | XtWindow (f->display.x->widget), |
3afe33e7 RS |
5517 | DefaultScreen (x_current_display)); |
5518 | UNBLOCK_INPUT; | |
5519 | ||
5520 | if (!result) | |
5521 | error ("Can't notify window manager of iconification."); | |
5522 | ||
5523 | f->async_iconified = 1; | |
8c002a25 KH |
5524 | |
5525 | BLOCK_INPUT; | |
5526 | XFlushQueue (); | |
5527 | UNBLOCK_INPUT; | |
3afe33e7 RS |
5528 | #else /* not USE_X_TOOLKIT */ |
5529 | ||
dc6f92b8 JB |
5530 | BLOCK_INPUT; |
5531 | ||
5532 | #ifdef HAVE_X11 | |
16bd92ea JB |
5533 | /* Since we don't know which revision of X we're running, we'll use both |
5534 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5535 | ||
5536 | /* X11R4: send a ClientMessage to the window manager using the | |
5537 | WM_CHANGE_STATE type. */ | |
5538 | { | |
5539 | XEvent message; | |
5540 | ||
c118dd06 | 5541 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
5542 | message.xclient.type = ClientMessage; |
5543 | message.xclient.message_type = Xatom_wm_change_state; | |
5544 | message.xclient.format = 32; | |
5545 | message.xclient.data.l[0] = IconicState; | |
5546 | ||
5547 | if (! XSendEvent (x_current_display, | |
5548 | DefaultRootWindow (x_current_display), | |
5549 | False, | |
5550 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5551 | &message)) | |
dc6f92b8 JB |
5552 | { |
5553 | UNBLOCK_INPUT_RESIGNAL; | |
5554 | error ("Can't notify window manager of iconification."); | |
5555 | } | |
16bd92ea | 5556 | } |
dc6f92b8 | 5557 | |
16bd92ea JB |
5558 | /* X11R3: set the initial_state field of the window manager hints to |
5559 | IconicState. */ | |
5560 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5561 | |
a9c00105 RS |
5562 | if (!FRAME_VISIBLE_P (f)) |
5563 | { | |
5564 | /* If the frame was withdrawn, before, we must map it. */ | |
5565 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
5566 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
5567 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); | |
5568 | } | |
5569 | ||
3a88c238 | 5570 | f->async_iconified = 1; |
c118dd06 JB |
5571 | #else /* ! defined (HAVE_X11) */ |
5572 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 5573 | |
3a88c238 | 5574 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 5575 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 5576 | { |
f676886a JB |
5577 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
5578 | refreshicon (f); | |
dc6f92b8 | 5579 | } |
c118dd06 | 5580 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5581 | |
5582 | XFlushQueue (); | |
5583 | UNBLOCK_INPUT; | |
8c002a25 | 5584 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5585 | } |
5586 | ||
c0ff3fab | 5587 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5588 | |
c0ff3fab | 5589 | x_destroy_window (f) |
f676886a | 5590 | struct frame *f; |
dc6f92b8 | 5591 | { |
dc6f92b8 | 5592 | BLOCK_INPUT; |
c0ff3fab JB |
5593 | |
5594 | if (f->display.x->icon_desc != 0) | |
5595 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
5596 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
3afe33e7 RS |
5597 | #ifdef USE_X_TOOLKIT |
5598 | XtDestroyWidget (f->display.x->widget); | |
9d7e2e3e | 5599 | free_frame_menubar (f); |
3afe33e7 RS |
5600 | #endif /* USE_X_TOOLKIT */ |
5601 | ||
07e34cb0 | 5602 | free_frame_faces (f); |
dc6f92b8 | 5603 | XFlushQueue (); |
dc6f92b8 | 5604 | |
9ac0d9e0 | 5605 | xfree (f->display.x); |
c0ff3fab | 5606 | f->display.x = 0; |
f676886a JB |
5607 | if (f == x_focus_frame) |
5608 | x_focus_frame = 0; | |
5609 | if (f == x_highlight_frame) | |
5610 | x_highlight_frame = 0; | |
c0ff3fab JB |
5611 | |
5612 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
5613 | } |
5614 | \f | |
f451eb13 JB |
5615 | /* Manage event queues for X10. */ |
5616 | ||
dc6f92b8 JB |
5617 | #ifndef HAVE_X11 |
5618 | ||
5619 | /* Manage event queues. | |
5620 | ||
5621 | This code is only used by the X10 support. | |
5622 | ||
5623 | We cannot leave events in the X queue and get them when we are ready | |
5624 | because X does not provide a subroutine to get only a certain kind | |
5625 | of event but not block if there are no queued events of that kind. | |
5626 | ||
5627 | Therefore, we must examine events as they come in and copy events | |
5628 | of certain kinds into our private queues. | |
5629 | ||
5630 | All ExposeRegion events are put in x_expose_queue. | |
69388238 | 5631 | All ButtonPress and ButtonRelease events are put in x_mouse_queue. */ |
dc6f92b8 JB |
5632 | |
5633 | ||
5634 | /* Write the event *P_XREP into the event queue *QUEUE. | |
5635 | If the queue is full, do nothing, but return nonzero. */ | |
5636 | ||
5637 | int | |
5638 | enqueue_event (p_xrep, queue) | |
5639 | register XEvent *p_xrep; | |
5640 | register struct event_queue *queue; | |
5641 | { | |
5642 | int newindex = queue->windex + 1; | |
5643 | if (newindex == EVENT_BUFFER_SIZE) | |
5644 | newindex = 0; | |
5645 | if (newindex == queue->rindex) | |
5646 | return -1; | |
5647 | queue->xrep[queue->windex] = *p_xrep; | |
5648 | queue->windex = newindex; | |
5649 | return 0; | |
5650 | } | |
5651 | ||
5652 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
5653 | If *QUEUE is empty, do nothing and return 0. */ | |
5654 | ||
5655 | int | |
5656 | dequeue_event (p_xrep, queue) | |
5657 | register XEvent *p_xrep; | |
5658 | register struct event_queue *queue; | |
5659 | { | |
5660 | if (queue->windex == queue->rindex) | |
5661 | return 0; | |
5662 | *p_xrep = queue->xrep[queue->rindex++]; | |
5663 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
5664 | queue->rindex = 0; | |
5665 | return 1; | |
5666 | } | |
5667 | ||
5668 | /* Return the number of events buffered in *QUEUE. */ | |
5669 | ||
5670 | int | |
5671 | queue_event_count (queue) | |
5672 | register struct event_queue *queue; | |
5673 | { | |
5674 | int tem = queue->windex - queue->rindex; | |
5675 | if (tem >= 0) | |
5676 | return tem; | |
5677 | return EVENT_BUFFER_SIZE + tem; | |
5678 | } | |
5679 | ||
5680 | /* Return nonzero if mouse input is pending. */ | |
5681 | ||
5682 | int | |
5683 | mouse_event_pending_p () | |
5684 | { | |
5685 | return queue_event_count (&x_mouse_queue); | |
5686 | } | |
c118dd06 | 5687 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5688 | \f |
f451eb13 JB |
5689 | /* Setting window manager hints. */ |
5690 | ||
dc6f92b8 JB |
5691 | #ifdef HAVE_X11 |
5692 | ||
bc20ebbf FP |
5693 | /* Record the gravity used previously, in case CHANGE_GRAVITY is 0. */ |
5694 | static int previous_gravity; | |
5695 | ||
6dba1858 | 5696 | /* SPEC_X and SPEC_Y are the specified positions. |
bc20ebbf FP |
5697 | We look only at their sign, to decide the gravity. |
5698 | If CHANGE_GRAVITY is 0, we ignore SPEC_X and SPEC_Y | |
5699 | and leave the gravity unchanged. */ | |
6dba1858 | 5700 | |
bc20ebbf | 5701 | x_wm_set_size_hint (f, prompting, change_gravity, spec_x, spec_y) |
f676886a | 5702 | struct frame *f; |
dc6f92b8 | 5703 | long prompting; |
bc20ebbf | 5704 | int change_gravity; |
6dba1858 | 5705 | int spec_x, spec_y; |
dc6f92b8 JB |
5706 | { |
5707 | XSizeHints size_hints; | |
3afe33e7 RS |
5708 | |
5709 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5710 | Arg al[2]; |
5711 | int ac = 0; | |
5712 | Dimension widget_width, widget_height; | |
bc20ebbf | 5713 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5714 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5715 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5716 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5717 | |
f7f79491 | 5718 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; |
dc6f92b8 | 5719 | |
f676886a JB |
5720 | flexlines = f->height; |
5721 | ||
5722 | size_hints.x = f->display.x->left_pos; | |
5723 | size_hints.y = f->display.x->top_pos; | |
7e4f2521 FP |
5724 | #ifdef USE_X_TOOLKIT |
5725 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5726 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
5727 | XtGetValues (f->display.x->column_widget, al, ac); | |
5728 | size_hints.height = widget_height; | |
5729 | size_hints.width = widget_width; | |
5730 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5731 | size_hints.height = PIXEL_HEIGHT (f); |
5732 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5733 | #endif /* not USE_X_TOOLKIT */ |
f676886a | 5734 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 5735 | size_hints.height_inc = f->display.x->line_height; |
f7f79491 | 5736 | #if 0 |
12ba150f JB |
5737 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
5738 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f7f79491 | 5739 | #endif |
b1c884c3 | 5740 | { |
b0342f17 JB |
5741 | int base_width, base_height; |
5742 | ||
f451eb13 JB |
5743 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5744 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
5745 | |
5746 | { | |
5747 | int min_rows = 0, min_cols = 0; | |
5748 | check_frame_size (f, &min_rows, &min_cols); | |
5749 | ||
5750 | /* The window manager uses the base width hints to calculate the | |
5751 | current number of rows and columns in the frame while | |
5752 | resizing; min_width and min_height aren't useful for this | |
5753 | purpose, since they might not give the dimensions for a | |
5754 | zero-row, zero-column frame. | |
5755 | ||
5756 | We use the base_width and base_height members if we have | |
5757 | them; otherwise, we set the min_width and min_height members | |
5758 | to the size for a zero x zero frame. */ | |
5759 | ||
5760 | #ifdef HAVE_X11R4 | |
5761 | size_hints.flags |= PBaseSize; | |
5762 | size_hints.base_width = base_width; | |
5763 | size_hints.base_height = base_height; | |
5764 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5765 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
5766 | #else | |
5767 | size_hints.min_width = base_width; | |
5768 | size_hints.min_height = base_height; | |
5769 | #endif | |
5770 | } | |
b1c884c3 | 5771 | |
b1c884c3 | 5772 | } |
dc6f92b8 JB |
5773 | |
5774 | if (prompting) | |
5775 | size_hints.flags |= prompting; | |
5776 | else | |
5777 | { | |
5778 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
5779 | ||
82ee0df4 RS |
5780 | if (XGetNormalHints (x_current_display, window, &hints) == 0) |
5781 | hints.flags = 0; | |
dc6f92b8 JB |
5782 | if (hints.flags & PSize) |
5783 | size_hints.flags |= PSize; | |
5784 | if (hints.flags & PPosition) | |
5785 | size_hints.flags |= PPosition; | |
5786 | if (hints.flags & USPosition) | |
5787 | size_hints.flags |= USPosition; | |
5788 | if (hints.flags & USSize) | |
5789 | size_hints.flags |= USSize; | |
5790 | } | |
2554751d | 5791 | #if defined (PWinGravity) |
bc20ebbf | 5792 | if (change_gravity) |
6dba1858 | 5793 | { |
bc20ebbf FP |
5794 | switch (((spec_x < 0) << 1) + (spec_y < 0)) |
5795 | { | |
5796 | case 0: | |
5797 | size_hints.win_gravity = NorthWestGravity; | |
5798 | break; | |
5799 | case 1: | |
5800 | size_hints.win_gravity = NorthEastGravity; | |
5801 | break; | |
5802 | case 2: | |
5803 | size_hints.win_gravity = SouthWestGravity; | |
5804 | break; | |
5805 | case 3: | |
5806 | size_hints.win_gravity = SouthEastGravity; | |
5807 | break; | |
5808 | } | |
5809 | previous_gravity = size_hints.win_gravity; | |
6dba1858 | 5810 | } |
bc20ebbf FP |
5811 | else |
5812 | size_hints.win_gravity = previous_gravity; | |
5813 | ||
6dba1858 | 5814 | size_hints.flags |= PWinGravity; |
2554751d | 5815 | #endif /* PWinGravity */ |
6dba1858 | 5816 | |
b0342f17 JB |
5817 | #ifdef HAVE_X11R4 |
5818 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
5819 | #else | |
dc6f92b8 | 5820 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 5821 | #endif |
dc6f92b8 JB |
5822 | } |
5823 | ||
5824 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5825 | x_wm_set_window_state (f, state) |
5826 | struct frame *f; | |
dc6f92b8 JB |
5827 | int state; |
5828 | { | |
3afe33e7 | 5829 | #ifdef USE_X_TOOLKIT |
bc20ebbf | 5830 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5831 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5832 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5833 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5834 | |
16bd92ea JB |
5835 | f->display.x->wm_hints.flags |= StateHint; |
5836 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 5837 | |
16bd92ea | 5838 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5839 | } |
5840 | ||
f676886a JB |
5841 | x_wm_set_icon_pixmap (f, icon_pixmap) |
5842 | struct frame *f; | |
dc6f92b8 JB |
5843 | Pixmap icon_pixmap; |
5844 | { | |
c118dd06 | 5845 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5846 | |
dbc4e1c1 JB |
5847 | if (icon_pixmap) |
5848 | { | |
5849 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
5850 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
5851 | } | |
5852 | else | |
5853 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 5854 | |
16bd92ea | 5855 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5856 | } |
5857 | ||
f676886a JB |
5858 | x_wm_set_icon_position (f, icon_x, icon_y) |
5859 | struct frame *f; | |
dc6f92b8 JB |
5860 | int icon_x, icon_y; |
5861 | { | |
c118dd06 | 5862 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5863 | |
16bd92ea JB |
5864 | f->display.x->wm_hints.flags |= IconPositionHint; |
5865 | f->display.x->wm_hints.icon_x = icon_x; | |
5866 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5867 | |
16bd92ea | 5868 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5869 | } |
5870 | ||
5871 | \f | |
f451eb13 JB |
5872 | /* Initialization. */ |
5873 | ||
3afe33e7 RS |
5874 | #ifdef USE_X_TOOLKIT |
5875 | static XrmOptionDescRec emacs_options[] = { | |
5876 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5877 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5878 | ||
5879 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5880 | XrmoptionSepArg, NULL}, | |
5881 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5882 | ||
5883 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5884 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5885 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5886 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5887 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5888 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
5889 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
5890 | }; | |
5891 | #endif /* USE_X_TOOLKIT */ | |
5892 | ||
dc6f92b8 JB |
5893 | void |
5894 | x_term_init (display_name) | |
5895 | char *display_name; | |
5896 | { | |
f676886a | 5897 | Lisp_Object frame; |
dc6f92b8 | 5898 | char *defaultvalue; |
3afe33e7 RS |
5899 | int argc = 0; |
5900 | char** argv = 0; | |
041b69ac | 5901 | #ifndef F_SETOWN_BUG |
dc6f92b8 JB |
5902 | #ifdef F_SETOWN |
5903 | extern int old_fcntl_owner; | |
c118dd06 | 5904 | #endif /* ! defined (F_SETOWN) */ |
041b69ac | 5905 | #endif /* F_SETOWN_BUG */ |
6d4238f3 | 5906 | |
f676886a | 5907 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 | 5908 | |
3afe33e7 | 5909 | #ifdef USE_X_TOOLKIT |
5c94b90b | 5910 | argv = (char **) XtMalloc (3 * sizeof (char *)); |
3afe33e7 RS |
5911 | argv [0] = ""; |
5912 | argv [1] = "-display"; | |
5913 | argv [2] = display_name; | |
5914 | argc = 3; | |
5915 | Xt_app_shell = XtAppInitialize (&Xt_app_con, "Emacs", | |
bc20ebbf | 5916 | emacs_options, XtNumber (emacs_options), |
3afe33e7 RS |
5917 | &argc, argv, |
5918 | NULL, NULL, 0); | |
5919 | XtFree (argv); | |
5920 | x_current_display = XtDisplay (Xt_app_shell); | |
5921 | ||
5922 | #else /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5923 | x_current_display = XOpenDisplay (display_name); |
3afe33e7 | 5924 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5925 | if (x_current_display == 0) |
041b69ac JB |
5926 | fatal ("X server %s not responding.\n\ |
5927 | Check the DISPLAY environment variable or use \"-d\"\n", | |
dc6f92b8 JB |
5928 | display_name); |
5929 | ||
5930 | #ifdef HAVE_X11 | |
5931 | { | |
dc6f92b8 JB |
5932 | #if 0 |
5933 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 5934 | #endif /* ! 0 */ |
8c86eccd | 5935 | hostname = get_system_name (); |
59653951 | 5936 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
5937 | + strlen (hostname) |
5938 | + 2); | |
59653951 | 5939 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 5940 | } |
28430d3c JB |
5941 | |
5942 | /* Figure out which modifier bits mean what. */ | |
5943 | x_find_modifier_meanings (); | |
f451eb13 | 5944 | |
ab648270 | 5945 | /* Get the scroll bar cursor. */ |
d56a553a RS |
5946 | x_vertical_scroll_bar_cursor |
5947 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 5948 | |
d56a553a | 5949 | #if 0 |
28430d3c JB |
5950 | /* Watch for PropertyNotify events on the root window; we use them |
5951 | to figure out when to invalidate our cache of the cut buffers. */ | |
5952 | x_watch_cut_buffer_cache (); | |
d56a553a | 5953 | #endif |
28430d3c | 5954 | |
a4fc7360 | 5955 | if (ConnectionNumber (x_current_display) != 0) |
61c3ce62 RS |
5956 | change_keyboard_wait_descriptor (ConnectionNumber (x_current_display)); |
5957 | change_input_fd (ConnectionNumber (x_current_display)); | |
6d4238f3 | 5958 | |
c118dd06 | 5959 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5960 | |
041b69ac | 5961 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 5962 | #ifdef F_SETOWN |
61c3ce62 | 5963 | old_fcntl_owner = fcntl (ConnectionNumber (x_current_display), F_GETOWN, 0); |
dc6f92b8 | 5964 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 RS |
5965 | /* stdin is a socket here */ |
5966 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, -getpid ()); | |
c118dd06 | 5967 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
61c3ce62 | 5968 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, getpid ()); |
c118dd06 JB |
5969 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
5970 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 5971 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
5972 | |
5973 | #ifdef SIGIO | |
5974 | init_sigio (); | |
c118dd06 | 5975 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 5976 | |
dc6f92b8 JB |
5977 | expose_all_windows = 0; |
5978 | ||
f676886a | 5979 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
5980 | clear_end_of_line_hook = XTclear_end_of_line; |
5981 | ins_del_lines_hook = XTins_del_lines; | |
5982 | change_line_highlight_hook = XTchange_line_highlight; | |
5983 | insert_glyphs_hook = XTinsert_glyphs; | |
5984 | write_glyphs_hook = XTwrite_glyphs; | |
5985 | delete_glyphs_hook = XTdelete_glyphs; | |
5986 | ring_bell_hook = XTring_bell; | |
5987 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
5988 | set_terminal_modes_hook = XTset_terminal_modes; | |
5989 | update_begin_hook = XTupdate_begin; | |
5990 | update_end_hook = XTupdate_end; | |
5991 | set_terminal_window_hook = XTset_terminal_window; | |
5992 | read_socket_hook = XTread_socket; | |
b8009dd1 | 5993 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
5994 | cursor_to_hook = XTcursor_to; |
5995 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 5996 | mouse_position_hook = XTmouse_position; |
f451eb13 | 5997 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 5998 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
5999 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
6000 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
6001 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
6002 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 6003 | |
f676886a | 6004 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
6005 | char_ins_del_ok = 0; /* just as fast to write the line */ |
6006 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
6007 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 6008 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
6009 | off the bottom */ |
6010 | baud_rate = 19200; | |
6011 | ||
b30b24cb RS |
6012 | /* Try to use interrupt input; if we can't, then start polling. */ |
6013 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
6014 | ||
c118dd06 JB |
6015 | /* Note that there is no real way portable across R3/R4 to get the |
6016 | original error handler. */ | |
6017 | XHandleError (x_error_quitter); | |
8922af5f | 6018 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
6019 | |
6020 | /* Disable Window Change signals; they are handled by X events. */ | |
6021 | #ifdef SIGWINCH | |
6022 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 6023 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 6024 | |
c118dd06 | 6025 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 6026 | } |
55123275 JB |
6027 | |
6028 | void | |
6029 | syms_of_xterm () | |
6030 | { | |
ab648270 | 6031 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 6032 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
6033 | staticpro (&mouse_face_window); |
6034 | mouse_face_window = Qnil; | |
55123275 | 6035 | } |
c118dd06 JB |
6036 | #endif /* ! defined (HAVE_X11) */ |
6037 | #endif /* ! defined (HAVE_X_WINDOWS) */ |