Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
b8009dd1 | 2 | Copyright (C) 1989, 1993, 1994 Free Software Foundation, Inc. |
dc6f92b8 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
4746118a | 8 | the Free Software Foundation; either version 2, or (at your option) |
dc6f92b8 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
3afe33e7 RS |
20 | /* Xt features made by Fred Pierresteguy. */ |
21 | ||
039440c4 RS |
22 | /* On 4.3 these lose if they come after xterm.h. */ |
23 | /* On HP-UX 8.0 signal.h loses if it comes after config.h. */ | |
24 | /* Putting these at the beginning seems to be standard for other .c files. */ | |
25 | #include <stdio.h> | |
26 | #include <signal.h> | |
27 | ||
18160b98 | 28 | #include <config.h> |
dc6f92b8 | 29 | |
3afe33e7 | 30 | /* Need syssignal.h for various externs and definitions that may be required |
bc20ebbf | 31 | by some configurations for calls to signal later in this source file. */ |
3afe33e7 RS |
32 | #include "syssignal.h" |
33 | ||
dc6f92b8 JB |
34 | #ifdef HAVE_X_WINDOWS |
35 | ||
36 | #include "lisp.h" | |
9ac0d9e0 | 37 | #include "blockinput.h" |
dc6f92b8 | 38 | |
dc6f92b8 JB |
39 | /* This may include sys/types.h, and that somehow loses |
40 | if this is not done before the other system files. */ | |
41 | #include "xterm.h" | |
f451eb13 | 42 | #include <X11/cursorfont.h> |
dc6f92b8 | 43 | |
16bd92ea | 44 | #ifndef USG |
dc6f92b8 JB |
45 | /* Load sys/types.h if not already loaded. |
46 | In some systems loading it twice is suicidal. */ | |
47 | #ifndef makedev | |
48 | #include <sys/types.h> | |
c118dd06 JB |
49 | #endif /* makedev */ |
50 | #endif /* USG */ | |
dc6f92b8 JB |
51 | |
52 | #ifdef BSD | |
53 | #include <sys/ioctl.h> | |
54 | #include <strings.h> | |
c118dd06 | 55 | #else /* ! defined (BSD) */ |
febf25d5 | 56 | #ifndef VMS |
dc6f92b8 | 57 | #include <string.h> |
febf25d5 | 58 | #endif |
c118dd06 | 59 | #endif /* ! defined (BSD) */ |
dc6f92b8 | 60 | |
2d368234 | 61 | #include "systty.h" |
3a2712f9 | 62 | #include "systime.h" |
dc6f92b8 | 63 | |
b8009dd1 | 64 | #ifndef INCLUDED_FCNTL |
dc6f92b8 | 65 | #include <fcntl.h> |
b8009dd1 | 66 | #endif |
dc6f92b8 JB |
67 | #include <ctype.h> |
68 | #include <errno.h> | |
69 | #include <setjmp.h> | |
70 | #include <sys/stat.h> | |
71 | #include <sys/param.h> | |
72 | ||
73 | #include "dispextern.h" | |
74 | #include "termhooks.h" | |
75 | #include "termopts.h" | |
76 | #include "termchar.h" | |
77 | #if 0 | |
78 | #include "sink.h" | |
79 | #include "sinkmask.h" | |
c118dd06 | 80 | #endif /* ! 0 */ |
dc6f92b8 | 81 | #include "gnu.h" |
f676886a | 82 | #include "frame.h" |
dc6f92b8 | 83 | #include "disptab.h" |
dc6f92b8 | 84 | #include "buffer.h" |
f451eb13 | 85 | #include "window.h" |
dc6f92b8 | 86 | |
3afe33e7 RS |
87 | #ifdef USE_X_TOOLKIT |
88 | extern XtAppContext Xt_app_con; | |
89 | extern Widget Xt_app_shell; | |
9d7e2e3e | 90 | extern void free_frame_menubar (); |
c2df547c | 91 | extern void _XEditResCheckMessages (); |
3afe33e7 RS |
92 | #endif /* USE_X_TOOLKIT */ |
93 | ||
b849c413 RS |
94 | #ifndef USE_X_TOOLKIT |
95 | #define x_any_window_to_frame x_window_to_frame | |
5627c40e | 96 | #define x_top_window_to_frame x_window_to_frame |
b849c413 RS |
97 | #endif |
98 | ||
546e6d5b RS |
99 | #ifdef USE_X_TOOLKIT |
100 | #ifndef XtNinitialState | |
101 | #define XtNinitialState "initialState" | |
102 | #endif | |
103 | #endif | |
104 | ||
dc6f92b8 JB |
105 | #ifdef HAVE_X11 |
106 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 107 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
108 | #include <X/Xkeyboard.h> |
109 | /*#include <X/Xproto.h> */ | |
c118dd06 | 110 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 111 | |
c34efc6c JB |
112 | #ifdef FD_SET |
113 | /* We could get this from param.h, but better not to depend on finding that. | |
114 | And better not to risk that it might define other symbols used in this | |
115 | file. */ | |
116 | #ifdef FD_SETSIZE | |
117 | #define MAXDESC FD_SETSIZE | |
118 | #else | |
119 | #define MAXDESC 64 | |
120 | #endif | |
121 | #define SELECT_TYPE fd_set | |
122 | #else /* no FD_SET */ | |
123 | #define MAXDESC 32 | |
124 | #define SELECT_TYPE int | |
125 | ||
126 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
127 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
128 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
129 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
130 | #define FD_ZERO(p) (*(p) = 0) | |
131 | #endif /* no FD_SET */ | |
132 | ||
dc6f92b8 JB |
133 | /* For sending Meta-characters. Do we need this? */ |
134 | #define METABIT 0200 | |
135 | ||
136 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
137 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 138 | \f |
dc6f92b8 JB |
139 | /* Nonzero means we must reprint all windows |
140 | because 1) we received an ExposeWindow event | |
f451eb13 | 141 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 142 | |
f451eb13 | 143 | This is never needed under X11. */ |
dc6f92b8 JB |
144 | static int expose_all_windows; |
145 | ||
146 | /* Nonzero means we must reprint all icon windows. */ | |
147 | ||
148 | static int expose_all_icons; | |
149 | ||
150 | #ifndef HAVE_X11 | |
151 | /* ExposeRegion events, when received, are copied into this queue | |
152 | for later processing. */ | |
153 | ||
154 | static struct event_queue x_expose_queue; | |
155 | ||
69388238 | 156 | /* ButtonPress and ButtonReleased events, when received, |
dc6f92b8 JB |
157 | are copied into this queue for later processing. */ |
158 | ||
159 | struct event_queue x_mouse_queue; | |
c118dd06 | 160 | #endif /* HAVE_X11 */ |
dc6f92b8 | 161 | |
dc6f92b8 JB |
162 | #if defined (SIGIO) && defined (FIONREAD) |
163 | int BLOCK_INPUT_mask; | |
c118dd06 | 164 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 165 | |
dc6f92b8 JB |
166 | /* The id of a bitmap used for icon windows. |
167 | One such map is shared by all Emacs icon windows. | |
168 | This is zero if we have not yet had a need to create the bitmap. */ | |
169 | ||
170 | static Bitmap icon_bitmap; | |
171 | ||
172 | /* Font used for text icons. */ | |
173 | ||
174 | static FONT_TYPE *icon_font_info; | |
175 | ||
176 | /* Stuff for dealing with the main icon title. */ | |
177 | ||
178 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 179 | char *hostname, *x_id_name; |
dc6f92b8 JB |
180 | |
181 | /* This is the X connection that we are using. */ | |
182 | ||
183 | Display *x_current_display; | |
184 | ||
ab648270 JB |
185 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
186 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 187 | |
987d2ad1 | 188 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 189 | This is set by update_begin and looked at by all the |
dc6f92b8 | 190 | XT functions. It is zero while not inside an update. |
f676886a JB |
191 | In that case, the XT functions assume that `selected_frame' |
192 | is the frame to apply to. */ | |
d0386f2a | 193 | extern struct frame *updating_frame; |
dc6f92b8 | 194 | |
f676886a | 195 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
196 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
197 | that a mere EnterNotify event can set this; if you need to know the | |
198 | last frame specified in a FocusIn or FocusOut event, use | |
199 | x_focus_event_frame. */ | |
f676886a | 200 | struct frame *x_focus_frame; |
dc6f92b8 | 201 | |
0134a210 RS |
202 | /* This is a frame waiting to be autoraised, within XTread_socket. */ |
203 | struct frame *pending_autoraise_frame; | |
204 | ||
f451eb13 JB |
205 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
206 | separate from x_focus_frame, because whether or not LeaveNotify | |
207 | events cause us to lose focus depends on whether or not we have | |
208 | received a FocusIn event for it. */ | |
209 | struct frame *x_focus_event_frame; | |
210 | ||
f676886a JB |
211 | /* The frame which currently has the visual highlight, and should get |
212 | keyboard input (other sorts of input have the frame encoded in the | |
213 | event). It points to the X focus frame's selected window's | |
214 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 215 | minibuffer. */ |
f676886a | 216 | static struct frame *x_highlight_frame; |
6d4238f3 | 217 | |
dc6f92b8 | 218 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 219 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
220 | |
221 | static int warp_mouse_on_deiconify; | |
222 | ||
223 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
224 | ||
225 | static int flexlines; | |
226 | ||
227 | /* During an update, nonzero if chars output now should be highlighted. */ | |
228 | ||
229 | static int highlight; | |
230 | ||
231 | /* Nominal cursor position -- where to draw output. | |
232 | During an update, these are different from the cursor-box position. */ | |
233 | ||
234 | static int curs_x; | |
235 | static int curs_y; | |
236 | ||
69388238 RS |
237 | /* Mouse movement. |
238 | ||
239 | In order to avoid asking for motion events and then throwing most | |
240 | of them away or busy-polling the server for mouse positions, we ask | |
241 | the server for pointer motion hints. This means that we get only | |
242 | one event per group of mouse movements. "Groups" are delimited by | |
243 | other kinds of events (focus changes and button clicks, for | |
244 | example), or by XQueryPointer calls; when one of these happens, we | |
245 | get another MotionNotify event the next time the mouse moves. This | |
246 | is at least as efficient as getting motion events when mouse | |
247 | tracking is on, and I suspect only negligibly worse when tracking | |
248 | is off. | |
249 | ||
250 | The silly O'Reilly & Associates Nutshell guides barely document | |
251 | pointer motion hints at all (I think you have to infer how they | |
252 | work from an example), and the description of XQueryPointer doesn't | |
253 | mention that calling it causes you to get another motion hint from | |
254 | the server, which is very important. */ | |
255 | ||
256 | /* Where the mouse was last time we reported a mouse event. */ | |
257 | static FRAME_PTR last_mouse_frame; | |
258 | static XRectangle last_mouse_glyph; | |
259 | ||
260 | /* The scroll bar in which the last X motion event occurred. | |
261 | ||
262 | If the last X motion event occurred in a scroll bar, we set this | |
263 | so XTmouse_position can know whether to report a scroll bar motion or | |
264 | an ordinary motion. | |
265 | ||
266 | If the last X motion event didn't occur in a scroll bar, we set this | |
267 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
268 | static Lisp_Object last_mouse_scroll_bar; | |
269 | ||
af31d76f | 270 | /* Record which buttons are currently pressed. */ |
69388238 RS |
271 | unsigned int x_mouse_grabbed; |
272 | ||
273 | /* This is a hack. We would really prefer that XTmouse_position would | |
274 | return the time associated with the position it returns, but there | |
275 | doesn't seem to be any way to wrest the timestamp from the server | |
276 | along with the position query. So, we just keep track of the time | |
277 | of the last movement we received, and return that in hopes that | |
278 | it's somewhat accurate. */ | |
279 | static Time last_mouse_movement_time; | |
280 | ||
b8009dd1 RS |
281 | /* These variables describe the range of text currently shown |
282 | in its mouse-face, together with the window they apply to. | |
283 | As long as the mouse stays within this range, we need not | |
284 | redraw anything on its account. */ | |
3b506386 KH |
285 | static int mouse_face_beg_row, mouse_face_beg_col; |
286 | static int mouse_face_end_row, mouse_face_end_col; | |
b8009dd1 RS |
287 | static Lisp_Object mouse_face_window; |
288 | static int mouse_face_face_id; | |
289 | ||
514e4681 RS |
290 | /* 1 if a mouse motion event came and we didn't handle it right away because |
291 | gc was in progress. */ | |
292 | static int mouse_face_deferred_gc; | |
293 | ||
b8009dd1 RS |
294 | /* FRAME and X, Y position of mouse when last checked for highlighting. */ |
295 | static FRAME_PTR mouse_face_mouse_frame; | |
296 | static int mouse_face_mouse_x, mouse_face_mouse_y; | |
297 | ||
298 | /* Nonzero means defer mouse-motion highlighting. */ | |
299 | static int mouse_face_defer; | |
300 | ||
dc6f92b8 JB |
301 | #ifdef HAVE_X11 |
302 | /* `t' if a mouse button is depressed. */ | |
303 | ||
304 | extern Lisp_Object Vmouse_depressed; | |
305 | ||
306 | /* Tells if a window manager is present or not. */ | |
307 | ||
308 | extern Lisp_Object Vx_no_window_manager; | |
309 | ||
310 | /* Timestamp that we requested selection data was made. */ | |
311 | extern Time requestor_time; | |
312 | ||
313 | /* ID of the window requesting selection data. */ | |
314 | extern Window requestor_window; | |
315 | ||
316 | /* Nonzero enables some debugging for the X interface code. */ | |
317 | extern int _Xdebug; | |
318 | ||
c2df547c | 319 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 320 | |
c118dd06 | 321 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
322 | |
323 | /* Bit patterns for the mouse cursor. */ | |
324 | ||
325 | short MouseCursor[] = { | |
326 | 0x0000, 0x0008, 0x0018, 0x0038, | |
327 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
328 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
329 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
330 | ||
331 | short MouseMask[] = { | |
332 | 0x000c, 0x001c, 0x003c, 0x007c, | |
333 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
334 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
335 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
336 | ||
337 | static short grey_bits[] = { | |
338 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
339 | ||
340 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 341 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
342 | |
343 | /* From time to time we get info on an Emacs window, here. */ | |
344 | ||
345 | static WINDOWINFO_TYPE windowinfo; | |
346 | ||
347 | extern int errno; | |
348 | ||
dfeccd2d | 349 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
350 | extern int extra_keyboard_modifiers; |
351 | ||
dc6f92b8 JB |
352 | extern Display *XOpenDisplay (); |
353 | extern Window XCreateWindow (); | |
354 | ||
355 | extern Cursor XCreateCursor (); | |
356 | extern FONT_TYPE *XOpenFont (); | |
357 | ||
358 | static void flashback (); | |
c83febd7 | 359 | static void redraw_previous_char (); |
0cdd0c9f | 360 | static void redraw_following_char (); |
3afe33e7 | 361 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 362 | |
55836b73 | 363 | static int fast_find_position (); |
b8009dd1 RS |
364 | static void note_mouse_highlight (); |
365 | static void clear_mouse_face (); | |
366 | static void show_mouse_face (); | |
367 | ||
dc6f92b8 JB |
368 | #ifndef HAVE_X11 |
369 | static void dumpqueue (); | |
c118dd06 | 370 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
371 | |
372 | void dumpborder (); | |
4746118a JB |
373 | static int XTcursor_to (); |
374 | static int XTclear_end_of_line (); | |
16bd92ea JB |
375 | |
376 | \f | |
f451eb13 JB |
377 | /* Starting and ending updates. |
378 | ||
379 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
380 | of a frame update. We record in `updating_frame' the identity |
381 | of the frame being updated, so that the XT... functions do not | |
382 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 383 | should never be called except during an update, the only exceptions |
c83febd7 | 384 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 JB |
385 | |
386 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
387 | ||
388 | static | |
f676886a JB |
389 | XTupdate_begin (f) |
390 | struct frame *f; | |
dc6f92b8 JB |
391 | { |
392 | int mask; | |
393 | ||
f676886a | 394 | if (f == 0) |
dc6f92b8 JB |
395 | abort (); |
396 | ||
f676886a | 397 | flexlines = f->height; |
dc6f92b8 JB |
398 | highlight = 0; |
399 | ||
dc6f92b8 | 400 | BLOCK_INPUT; |
b8009dd1 RS |
401 | |
402 | if (f == mouse_face_mouse_frame) | |
403 | { | |
514e4681 | 404 | /* Don't do highlighting for mouse motion during the update. */ |
b8009dd1 RS |
405 | mouse_face_defer = 1; |
406 | if (!NILP (mouse_face_window)) | |
514e4681 RS |
407 | { |
408 | int firstline, lastline, i; | |
409 | struct window *w = XWINDOW (mouse_face_window); | |
410 | ||
411 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
412 | for (firstline = 0; firstline < f->height; firstline++) | |
413 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
414 | break; | |
415 | ||
416 | lastline = f->height; | |
417 | for (i = f->height - 1; i >= 0; i--) | |
418 | { | |
419 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
420 | break; | |
421 | else | |
422 | lastline = i; | |
423 | } | |
424 | ||
425 | /* Can we tell that this update does not affect the window | |
426 | where the mouse highlight is? If so, no need to turn off. */ | |
427 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
428 | || lastline < XFASTINT (w->top))) | |
429 | /* Otherwise turn off the mouse highlight now. */ | |
430 | clear_mouse_face (); | |
431 | } | |
b8009dd1 | 432 | } |
dc6f92b8 JB |
433 | #ifndef HAVE_X11 |
434 | dumpqueue (); | |
c118dd06 | 435 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
436 | UNBLOCK_INPUT; |
437 | } | |
438 | ||
f451eb13 | 439 | #ifndef HAVE_X11 |
dc6f92b8 | 440 | static void x_do_pending_expose (); |
f451eb13 | 441 | #endif |
dc6f92b8 JB |
442 | |
443 | static | |
f676886a JB |
444 | XTupdate_end (f) |
445 | struct frame *f; | |
dc6f92b8 JB |
446 | { |
447 | int mask; | |
448 | ||
dc6f92b8 JB |
449 | BLOCK_INPUT; |
450 | #ifndef HAVE_X11 | |
451 | dumpqueue (); | |
dc6f92b8 | 452 | x_do_pending_expose (); |
f451eb13 | 453 | #endif /* HAVE_X11 */ |
dc6f92b8 | 454 | |
f676886a | 455 | x_display_cursor (f, 1); |
dc6f92b8 | 456 | |
b8009dd1 RS |
457 | if (f == mouse_face_mouse_frame) |
458 | mouse_face_defer = 0; | |
459 | #if 0 | |
460 | /* This fails in the case of having updated only the echo area | |
461 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
462 | has no relation to the current contents, and its charstarts | |
463 | have no relation to the contents of the window-buffer. | |
464 | I don't know a clean way to check | |
465 | for that case. window_end_valid isn't set up yet. */ | |
466 | if (f == mouse_face_mouse_frame) | |
467 | note_mouse_highlight (f, mouse_face_mouse_x, mouse_face_mouse_y); | |
468 | #endif | |
469 | ||
dc6f92b8 JB |
470 | XFlushQueue (); |
471 | UNBLOCK_INPUT; | |
472 | } | |
b8009dd1 | 473 | |
514e4681 | 474 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
475 | |
476 | static | |
477 | XTframe_up_to_date (f) | |
478 | FRAME_PTR f; | |
479 | { | |
514e4681 RS |
480 | if (mouse_face_deferred_gc || f == mouse_face_mouse_frame) |
481 | { | |
482 | note_mouse_highlight (mouse_face_mouse_frame, | |
483 | mouse_face_mouse_x, mouse_face_mouse_y); | |
484 | mouse_face_deferred_gc = 0; | |
485 | } | |
b8009dd1 | 486 | } |
dc6f92b8 JB |
487 | \f |
488 | /* External interface to control of standout mode. | |
489 | Call this when about to modify line at position VPOS | |
490 | and not change whether it is highlighted. */ | |
491 | ||
492 | XTreassert_line_highlight (new, vpos) | |
493 | int new, vpos; | |
494 | { | |
495 | highlight = new; | |
496 | } | |
497 | ||
498 | /* Call this when about to modify line at position VPOS | |
499 | and change whether it is highlighted. */ | |
500 | ||
501 | static | |
502 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
503 | int new_highlight, vpos, first_unused_hpos; | |
504 | { | |
505 | highlight = new_highlight; | |
506 | XTcursor_to (vpos, 0); | |
f676886a | 507 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
508 | } |
509 | ||
510 | /* This is used when starting Emacs and when restarting after suspend. | |
511 | When starting Emacs, no X window is mapped. And nothing must be done | |
512 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
513 | ||
514 | static | |
515 | XTset_terminal_modes () | |
516 | { | |
517 | } | |
518 | ||
519 | /* This is called when exiting or suspending Emacs. | |
520 | Exiting will make the X-windows go away, and suspending | |
521 | requires no action. */ | |
522 | ||
523 | static | |
524 | XTreset_terminal_modes () | |
525 | { | |
f676886a | 526 | /* XTclear_frame (); */ |
dc6f92b8 JB |
527 | } |
528 | \f | |
f451eb13 JB |
529 | /* Set the nominal cursor position of the frame. |
530 | This is where display update commands will take effect. | |
dc6f92b8 JB |
531 | This does not affect the place where the cursor-box is displayed. */ |
532 | ||
4746118a | 533 | static int |
dc6f92b8 JB |
534 | XTcursor_to (row, col) |
535 | register int row, col; | |
536 | { | |
537 | int mask; | |
538 | int orow = row; | |
539 | ||
540 | curs_x = col; | |
541 | curs_y = row; | |
542 | ||
f676886a | 543 | if (updating_frame == 0) |
dc6f92b8 JB |
544 | { |
545 | BLOCK_INPUT; | |
f676886a | 546 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
547 | XFlushQueue (); |
548 | UNBLOCK_INPUT; | |
549 | } | |
550 | } | |
551 | \f | |
552 | /* Display a sequence of N glyphs found at GP. | |
553 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
554 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
555 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
556 | JUST_FOREGROUND if 1 means draw only the foreground; |
557 | don't alter the background. | |
dc6f92b8 | 558 | |
07e34cb0 | 559 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 560 | |
07e34cb0 JB |
561 | Since the display generation code is responsible for calling |
562 | compute_char_face and compute_glyph_face on everything it puts in | |
563 | the display structure, we can assume that the face code on each | |
28f72798 | 564 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
565 | to which we can actually apply intern_face. |
566 | Call this function with input blocked. */ | |
dc6f92b8 | 567 | |
07e34cb0 JB |
568 | #if 1 |
569 | /* This is the multi-face code. */ | |
dc6f92b8 | 570 | |
dc6f92b8 | 571 | static void |
0cdd0c9f | 572 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 573 | struct frame *f; |
dc6f92b8 JB |
574 | int left, top; |
575 | register GLYPH *gp; /* Points to first GLYPH. */ | |
576 | register int n; /* Number of glyphs to display. */ | |
577 | int hl; | |
0cdd0c9f | 578 | int just_foreground; |
dc6f92b8 | 579 | { |
07e34cb0 JB |
580 | /* Holds characters to be displayed. */ |
581 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
582 | register char *cp; /* Steps through buf[]. */ |
583 | register int tlen = GLYPH_TABLE_LENGTH; | |
584 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 585 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 586 | int orig_left = left; |
dc6f92b8 | 587 | |
07e34cb0 | 588 | while (n > 0) |
dc6f92b8 JB |
589 | { |
590 | /* Get the face-code of the next GLYPH. */ | |
591 | int cf, len; | |
592 | int g = *gp; | |
593 | ||
07e34cb0 | 594 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 595 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
596 | |
597 | /* Find the run of consecutive glyphs with the same face-code. | |
598 | Extract their character codes into BUF. */ | |
599 | cp = buf; | |
600 | while (n > 0) | |
601 | { | |
602 | g = *gp; | |
07e34cb0 | 603 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 604 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
605 | break; |
606 | ||
6f63ba79 | 607 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
608 | --n; |
609 | ++gp; | |
610 | } | |
611 | ||
612 | /* LEN gets the length of the run. */ | |
613 | len = cp - buf; | |
614 | ||
615 | /* Now output this run of chars, with the font and pixel values | |
616 | determined by the face code CF. */ | |
07e34cb0 JB |
617 | { |
618 | struct face *face = FRAME_DEFAULT_FACE (f); | |
619 | FONT_TYPE *font = FACE_FONT (face); | |
620 | GC gc = FACE_GC (face); | |
b73b6aaf | 621 | int gc_temporary = 0; |
07e34cb0 | 622 | |
b8009dd1 RS |
623 | /* HL = 3 means use a mouse face previously chosen. */ |
624 | if (hl == 3) | |
625 | cf = mouse_face_face_id; | |
626 | ||
b73b6aaf RS |
627 | /* First look at the face of the text itself. */ |
628 | if (cf != 0) | |
07e34cb0 | 629 | { |
a07d4bc5 RS |
630 | /* It's possible for the display table to specify |
631 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
632 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
633 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 634 | cf = 0; |
07e34cb0 JB |
635 | |
636 | if (cf == 1) | |
637 | face = FRAME_MODE_LINE_FACE (f); | |
638 | else | |
28f72798 | 639 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
640 | font = FACE_FONT (face); |
641 | gc = FACE_GC (face); | |
642 | } | |
4a4dc352 JB |
643 | |
644 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
645 | else if (hl == 0) |
646 | ; | |
647 | else if (hl == 1) | |
648 | { | |
649 | face = FRAME_MODE_LINE_FACE (f); | |
650 | font = FACE_FONT (face); | |
651 | gc = FACE_GC (face); | |
b73b6aaf RS |
652 | } |
653 | ||
654 | #define FACE_DEFAULT (~0) | |
655 | ||
656 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 657 | if (hl == 2) |
b73b6aaf | 658 | { |
dc05a16b | 659 | if (!face->font |
b5cf7a0e JB |
660 | || (int) face->font == FACE_DEFAULT) |
661 | { | |
662 | gc = f->display.x->cursor_gc; | |
663 | } | |
664 | /* Cursor on non-default face: must merge. */ | |
665 | else | |
666 | { | |
667 | XGCValues xgcv; | |
668 | unsigned long mask; | |
669 | ||
670 | xgcv.background = f->display.x->cursor_pixel; | |
df5a440b RS |
671 | if (face == FRAME_DEFAULT_FACE (f)) |
672 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
673 | else | |
da893f1f | 674 | xgcv.foreground = face->background; |
df5a440b RS |
675 | /* If the glyph would be invisible, |
676 | try a different foreground. */ | |
677 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 678 | xgcv.foreground = face->foreground; |
df5a440b RS |
679 | if (xgcv.foreground == xgcv.background) |
680 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
681 | if (xgcv.foreground == xgcv.background) | |
682 | xgcv.foreground = face->foreground; | |
683 | /* Make sure the cursor is distinct from text in this face. */ | |
684 | if (xgcv.background == face->background | |
685 | && xgcv.foreground == face->foreground) | |
686 | { | |
687 | xgcv.background = face->foreground; | |
688 | xgcv.foreground = face->background; | |
689 | } | |
b5cf7a0e JB |
690 | xgcv.font = face->font->fid; |
691 | xgcv.graphics_exposures = 0; | |
692 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
693 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
694 | mask, &xgcv); | |
b73b6aaf | 695 | #if 0 |
b5cf7a0e JB |
696 | if (face->stipple && face->stipple != FACE_DEFAULT) |
697 | XSetStipple (x_current_display, gc, face->stipple); | |
b73b6aaf | 698 | #endif |
b5cf7a0e JB |
699 | gc_temporary = 1; |
700 | } | |
07e34cb0 | 701 | } |
07e34cb0 | 702 | |
b5cf7a0e JB |
703 | if ((int) font == FACE_DEFAULT) |
704 | font = f->display.x->font; | |
705 | ||
0cdd0c9f RS |
706 | if (just_foreground) |
707 | XDrawString (x_current_display, window, gc, | |
708 | left, top + FONT_BASE (font), buf, len); | |
709 | else | |
710 | { | |
711 | XDrawImageString (x_current_display, window, gc, | |
712 | left, top + FONT_BASE (font), buf, len); | |
713 | /* Clear the rest of the line's height. */ | |
714 | if (f->display.x->line_height != FONT_HEIGHT (font)) | |
715 | XClearArea (x_current_display, window, left, | |
716 | top + FONT_HEIGHT (font), | |
717 | FONT_WIDTH (font) * len, | |
718 | /* This is how many pixels of height | |
719 | we have to clear. */ | |
720 | f->display.x->line_height - FONT_HEIGHT (font), | |
721 | False); | |
722 | } | |
723 | ||
724 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
725 | which often is not up to date yet. */ | |
726 | if (!just_foreground) | |
727 | { | |
728 | if (left == orig_left) | |
729 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
730 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
731 | if (n == 0) | |
732 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
733 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
734 | } | |
735 | #endif | |
07e34cb0 | 736 | |
b73b6aaf RS |
737 | if (gc_temporary) |
738 | XFreeGC (x_current_display, gc); | |
739 | ||
07e34cb0 JB |
740 | /* We should probably check for XA_UNDERLINE_POSITION and |
741 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
742 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 743 | { |
4a4dc352 | 744 | int underline_position = 1; |
07e34cb0 | 745 | |
4a4dc352 JB |
746 | if (font->descent <= underline_position) |
747 | underline_position = font->descent - 1; | |
07e34cb0 JB |
748 | |
749 | if (face->underline) | |
750 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
751 | FACE_GC (face), | |
752 | left, (top | |
753 | + FONT_BASE (font) | |
754 | + underline_position), | |
755 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 756 | } |
07e34cb0 JB |
757 | |
758 | left += len * FONT_WIDTH (font); | |
759 | } | |
dc6f92b8 JB |
760 | } |
761 | } | |
07e34cb0 JB |
762 | #endif /* 1 */ |
763 | ||
764 | #if 0 | |
765 | /* This is the old single-face code. */ | |
766 | ||
767 | static void | |
768 | dumpglyphs (f, left, top, gp, n, hl, font) | |
769 | struct frame *f; | |
770 | int left, top; | |
771 | register GLYPH *gp; /* Points to first GLYPH. */ | |
772 | register int n; /* Number of glyphs to display. */ | |
773 | int hl; | |
774 | FONT_TYPE *font; | |
775 | { | |
776 | register int len; | |
777 | Window window = FRAME_X_WINDOW (f); | |
778 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
779 | : (hl ? f->display.x->reverse_gc | |
780 | : f->display.x->normal_gc)); | |
781 | ||
782 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
783 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
784 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
785 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
786 | XDrawImageString (x_current_display, window, drawing_gc, | |
787 | left, top + FONT_BASE (font), (char *) gp, n); | |
788 | else | |
789 | /* What size of glyph ARE you using? And does X have a function to | |
790 | draw them? */ | |
791 | abort (); | |
792 | } | |
793 | #endif | |
dc6f92b8 | 794 | \f |
f451eb13 JB |
795 | /* Output some text at the nominal frame cursor position. |
796 | Advance the cursor over the text. | |
dc6f92b8 JB |
797 | Output LEN glyphs at START. |
798 | ||
799 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
800 | controls the pixel values used for foreground and background. */ | |
801 | ||
802 | static | |
803 | XTwrite_glyphs (start, len) | |
804 | register GLYPH *start; | |
805 | int len; | |
806 | { | |
807 | register int temp_length; | |
808 | int mask; | |
f676886a | 809 | struct frame *f; |
dc6f92b8 JB |
810 | |
811 | BLOCK_INPUT; | |
812 | ||
f676886a JB |
813 | f = updating_frame; |
814 | if (f == 0) | |
dc6f92b8 | 815 | { |
f676886a | 816 | f = selected_frame; |
dc6f92b8 | 817 | /* If not within an update, |
f676886a JB |
818 | output at the frame's visible cursor. */ |
819 | curs_x = f->cursor_x; | |
820 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
821 | } |
822 | ||
f676886a | 823 | dumpglyphs (f, |
12ba150f JB |
824 | CHAR_TO_PIXEL_COL (f, curs_x), |
825 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 826 | start, len, highlight, 0); |
90e65f07 JB |
827 | |
828 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
829 | if (curs_y == f->phys_cursor_y |
830 | && curs_x <= f->phys_cursor_x | |
831 | && curs_x + len > f->phys_cursor_x) | |
832 | f->phys_cursor_x = -1; | |
dc6f92b8 | 833 | |
f676886a | 834 | if (updating_frame == 0) |
dc6f92b8 | 835 | { |
f676886a JB |
836 | f->cursor_x += len; |
837 | x_display_cursor (f, 1); | |
838 | f->cursor_x -= len; | |
dc6f92b8 JB |
839 | } |
840 | else | |
841 | curs_x += len; | |
842 | ||
843 | UNBLOCK_INPUT; | |
844 | } | |
845 | \f | |
f451eb13 JB |
846 | /* Clear to the end of the line. |
847 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
848 | to column FIRST_UNUSED (exclusive). The idea is that everything |
849 | from FIRST_UNUSED onward is already erased. */ | |
850 | ||
4746118a | 851 | static int |
dc6f92b8 JB |
852 | XTclear_end_of_line (first_unused) |
853 | register int first_unused; | |
854 | { | |
f676886a | 855 | struct frame *f = updating_frame; |
dc6f92b8 JB |
856 | int mask; |
857 | ||
f676886a | 858 | if (f == 0) |
dc6f92b8 JB |
859 | abort (); |
860 | ||
f676886a | 861 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
862 | return; |
863 | if (first_unused <= 0) | |
864 | return; | |
865 | ||
f676886a JB |
866 | if (first_unused >= f->width) |
867 | first_unused = f->width; | |
dc6f92b8 JB |
868 | |
869 | BLOCK_INPUT; | |
870 | ||
90e65f07 | 871 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
872 | if (curs_y == f->phys_cursor_y |
873 | && curs_x <= f->phys_cursor_x | |
874 | && f->phys_cursor_x < first_unused) | |
875 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
876 | |
877 | #ifdef HAVE_X11 | |
c118dd06 | 878 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
879 | CHAR_TO_PIXEL_COL (f, curs_x), |
880 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 881 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 882 | f->display.x->line_height, False); |
c83febd7 | 883 | #if 0 |
0cdd0c9f | 884 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 885 | #endif |
c118dd06 JB |
886 | #else /* ! defined (HAVE_X11) */ |
887 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
888 | CHAR_TO_PIXEL_COL (f, curs_x), |
889 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 890 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 891 | f->display.x->line_height, |
f676886a | 892 | f->display.x->background_pixel); |
c118dd06 | 893 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
894 | |
895 | UNBLOCK_INPUT; | |
896 | } | |
897 | ||
0cdd0c9f RS |
898 | static |
899 | XTclear_frame () | |
900 | { | |
901 | int mask; | |
902 | struct frame *f = updating_frame; | |
903 | ||
904 | if (f == 0) | |
905 | f = selected_frame; | |
906 | ||
907 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
908 | curs_x = 0; /* Nominal cursor position is top left. */ | |
909 | curs_y = 0; | |
910 | ||
911 | BLOCK_INPUT; | |
912 | ||
913 | XClear (FRAME_X_WINDOW (f)); | |
914 | ||
915 | /* We have to clear the scroll bars, too. If we have changed | |
916 | colors or something like that, then they should be notified. */ | |
917 | x_scroll_bar_clear (f); | |
918 | ||
919 | #ifndef HAVE_X11 | |
920 | dumpborder (f, 0); | |
921 | #endif /* HAVE_X11 */ | |
922 | ||
923 | XFlushQueue (); | |
924 | UNBLOCK_INPUT; | |
925 | } | |
926 | \f | |
927 | #if 0 | |
928 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
929 | always contain the right glyphs to use. | |
930 | ||
931 | It also needs to be changed to look at the details of the font and | |
932 | see whether there is really overlap, and do nothing when there is | |
933 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
934 | but just how to use them is not clear. */ | |
935 | ||
c83febd7 RS |
936 | /* Erase the character (if any) at the position just before X, Y in frame F, |
937 | then redraw it and the character before it. | |
938 | This is necessary when we erase starting at X, | |
f94397b5 KH |
939 | in case the character after X overlaps into the one before X. |
940 | Call this function with input blocked. */ | |
c83febd7 RS |
941 | |
942 | static void | |
0cdd0c9f | 943 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
944 | FRAME_PTR f; |
945 | int x, y; | |
0cdd0c9f | 946 | int highlight_flag; |
c83febd7 RS |
947 | { |
948 | /* Erase the character before the new ones, in case | |
949 | what was here before overlaps it. | |
950 | Reoutput that character, and the previous character | |
951 | (in case the previous character overlaps it). */ | |
952 | if (x > 0) | |
953 | { | |
954 | int start_x = x - 2; | |
955 | if (start_x < 0) | |
956 | start_x = 0; | |
957 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
958 | CHAR_TO_PIXEL_COL (f, x - 1), | |
959 | CHAR_TO_PIXEL_ROW (f, y), | |
960 | FONT_WIDTH (f->display.x->font), | |
a27f9f86 | 961 | f->display.x->line_height, False); |
c83febd7 RS |
962 | |
963 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
964 | CHAR_TO_PIXEL_ROW (f, y), | |
965 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 966 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
967 | } |
968 | } | |
969 | ||
0cdd0c9f RS |
970 | /* Erase the character (if any) at the position X, Y in frame F, |
971 | then redraw it and the character after it. | |
972 | This is necessary when we erase endng at X, | |
973 | in case the character after X overlaps into the one before X. | |
974 | Call this function with input blocked. */ | |
975 | ||
976 | static void | |
977 | redraw_following_char (f, x, y, highlight_flag) | |
978 | FRAME_PTR f; | |
979 | int x, y; | |
980 | int highlight_flag; | |
dc6f92b8 | 981 | { |
0cdd0c9f RS |
982 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
983 | /* Erase the character after the new ones, in case | |
984 | what was here before overlaps it. | |
985 | Reoutput that character, and the following character | |
986 | (in case the following character overlaps it). */ | |
987 | if (x < limit | |
988 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
989 | { | |
990 | int end_x = x + 2; | |
991 | if (end_x > limit) | |
992 | end_x = limit; | |
993 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
994 | CHAR_TO_PIXEL_COL (f, x), | |
995 | CHAR_TO_PIXEL_ROW (f, y), | |
996 | FONT_WIDTH (f->display.x->font), | |
997 | f->display.x->line_height, False); | |
dc6f92b8 | 998 | |
0cdd0c9f RS |
999 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
1000 | CHAR_TO_PIXEL_ROW (f, y), | |
1001 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
1002 | end_x - x, highlight_flag, 1); | |
1003 | } | |
1004 | } | |
1005 | #endif /* 0 */ | |
1006 | \f | |
1007 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 1008 | |
0cdd0c9f | 1009 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 1010 | |
0cdd0c9f RS |
1011 | static int |
1012 | font_char_overlap_left (font, c) | |
1013 | XFontStruct *font; | |
1014 | int c; | |
1015 | { | |
1016 | XCharStruct *s; | |
dbc4e1c1 | 1017 | |
0cdd0c9f RS |
1018 | /* Find the bounding-box info for C. */ |
1019 | if (font->per_char == 0) | |
1020 | s = &font->max_bounds; | |
1021 | else | |
1022 | { | |
1023 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1024 | int row, within; | |
1025 | ||
1026 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1027 | row = c >> 8; | |
1028 | within = c & 0177; | |
1029 | if (!(within >= font->min_char_or_byte2 | |
1030 | && within <= font->max_char_or_byte2 | |
1031 | && row >= font->min_byte1 | |
1032 | && row <= font->max_byte1)) | |
1033 | { | |
1034 | /* If char is out of range, try the font's default char instead. */ | |
1035 | c = font->default_char; | |
1036 | row = c >> (INTBITS - 8); | |
1037 | within = c & 0177; | |
1038 | } | |
1039 | if (!(within >= font->min_char_or_byte2 | |
1040 | && within <= font->max_char_or_byte2 | |
1041 | && row >= font->min_byte1 | |
1042 | && row <= font->max_byte1)) | |
1043 | /* Still out of range means this char does not overlap. */ | |
1044 | return 0; | |
1045 | else | |
1046 | /* We found the info for this char. */ | |
1047 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1048 | + row * rowlen); | |
1049 | } | |
dbc4e1c1 | 1050 | |
0cdd0c9f RS |
1051 | return (s && s->lbearing < 0); |
1052 | } | |
dbc4e1c1 | 1053 | |
0cdd0c9f RS |
1054 | /* Return 1 if character C in font F extends past its right edge. */ |
1055 | ||
1056 | static int | |
1057 | font_char_overlap_right (font, c) | |
1058 | XFontStruct *font; | |
1059 | int c; | |
1060 | { | |
1061 | XCharStruct *s; | |
1062 | ||
1063 | /* Find the bounding-box info for C. */ | |
1064 | if (font->per_char == 0) | |
1065 | s = &font->max_bounds; | |
1066 | else | |
1067 | { | |
1068 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1069 | int row, within; | |
1070 | ||
1071 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1072 | row = c >> 8; | |
1073 | within = c & 0177; | |
1074 | if (!(within >= font->min_char_or_byte2 | |
1075 | && within <= font->max_char_or_byte2 | |
1076 | && row >= font->min_byte1 | |
1077 | && row <= font->max_byte1)) | |
1078 | { | |
1079 | /* If char is out of range, try the font's default char instead. */ | |
1080 | c = font->default_char; | |
1081 | row = c >> (INTBITS - 8); | |
1082 | within = c & 0177; | |
1083 | } | |
1084 | if (!(within >= font->min_char_or_byte2 | |
1085 | && within <= font->max_char_or_byte2 | |
1086 | && row >= font->min_byte1 | |
1087 | && row <= font->max_byte1)) | |
1088 | /* Still out of range means this char does not overlap. */ | |
1089 | return 0; | |
1090 | else | |
1091 | /* We found the info for this char. */ | |
1092 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1093 | + row * rowlen); | |
1094 | } | |
1095 | ||
1096 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1097 | } |
0cdd0c9f | 1098 | #endif /* 0 */ |
dc6f92b8 | 1099 | \f |
dbc4e1c1 JB |
1100 | /* Invert the middle quarter of the frame for .15 sec. */ |
1101 | ||
1102 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1103 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1104 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1105 | ||
1106 | /* Subtract the `struct timeval' values X and Y, | |
1107 | storing the result in RESULT. | |
1108 | Return 1 if the difference is negative, otherwise 0. */ | |
1109 | ||
1110 | static int | |
1111 | timeval_subtract (result, x, y) | |
1112 | struct timeval *result, x, y; | |
1113 | { | |
1114 | /* Perform the carry for the later subtraction by updating y. | |
1115 | This is safer because on some systems | |
1116 | the tv_sec member is unsigned. */ | |
1117 | if (x.tv_usec < y.tv_usec) | |
1118 | { | |
1119 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1120 | y.tv_usec -= 1000000 * nsec; | |
1121 | y.tv_sec += nsec; | |
1122 | } | |
1123 | if (x.tv_usec - y.tv_usec > 1000000) | |
1124 | { | |
1125 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1126 | y.tv_usec += 1000000 * nsec; | |
1127 | y.tv_sec -= nsec; | |
1128 | } | |
1129 | ||
1130 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1131 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1132 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1133 | ||
1134 | /* Return indication of whether the result should be considered negative. */ | |
1135 | return x.tv_sec < y.tv_sec; | |
1136 | } | |
dc6f92b8 | 1137 | |
f676886a JB |
1138 | XTflash (f) |
1139 | struct frame *f; | |
dc6f92b8 | 1140 | { |
dbc4e1c1 | 1141 | BLOCK_INPUT; |
dc6f92b8 | 1142 | |
dbc4e1c1 JB |
1143 | { |
1144 | GC gc; | |
dc6f92b8 | 1145 | |
dbc4e1c1 JB |
1146 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1147 | into background pixels. */ | |
1148 | { | |
1149 | XGCValues values; | |
dc6f92b8 | 1150 | |
dbc4e1c1 JB |
1151 | values.function = GXxor; |
1152 | values.foreground = (f->display.x->foreground_pixel | |
1153 | ^ f->display.x->background_pixel); | |
1154 | ||
1155 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
1156 | GCFunction | GCForeground, &values); | |
1157 | } | |
dc6f92b8 | 1158 | |
dbc4e1c1 JB |
1159 | { |
1160 | int width = PIXEL_WIDTH (f); | |
1161 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1162 | |
dbc4e1c1 JB |
1163 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
1164 | width/4, height/4, width/2, height/2); | |
1165 | XFlush (x_current_display); | |
dc6f92b8 | 1166 | |
dbc4e1c1 JB |
1167 | { |
1168 | struct timeval wakeup, now; | |
dc6f92b8 | 1169 | |
66c30ea1 | 1170 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1171 | |
dbc4e1c1 JB |
1172 | /* Compute time to wait until, propagating carry from usecs. */ |
1173 | wakeup.tv_usec += 150000; | |
1174 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1175 | wakeup.tv_usec %= 1000000; | |
1176 | ||
1177 | /* Keep waiting until past the time wakeup. */ | |
1178 | while (1) | |
1179 | { | |
1180 | struct timeval timeout; | |
1181 | ||
66c30ea1 | 1182 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1183 | |
1184 | /* In effect, timeout = wakeup - timeout. | |
1185 | Break if result would be negative. */ | |
1186 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1187 | break; | |
1188 | ||
1189 | /* Try to wait that long--but we might wake up sooner. */ | |
1190 | select (0, 0, 0, 0, &timeout); | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
1195 | width/4, height/4, width/2, height/2); | |
1196 | XFreeGC (x_current_display, gc); | |
1197 | XFlush (x_current_display); | |
dc6f92b8 | 1198 | } |
dbc4e1c1 JB |
1199 | } |
1200 | ||
1201 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1202 | } |
1203 | ||
dbc4e1c1 JB |
1204 | #endif |
1205 | ||
1206 | ||
dc6f92b8 JB |
1207 | /* Make audible bell. */ |
1208 | ||
1209 | #ifdef HAVE_X11 | |
bc20ebbf | 1210 | #define XRINGBELL XBell (x_current_display, 0) |
c118dd06 | 1211 | #else /* ! defined (HAVE_X11) */ |
bc20ebbf | 1212 | #define XRINGBELL XFeep (0); |
c118dd06 | 1213 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1214 | |
1215 | XTring_bell () | |
1216 | { | |
5a6ef893 RS |
1217 | if (x_current_display == 0) |
1218 | return; | |
1219 | ||
dbc4e1c1 | 1220 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1221 | if (visible_bell) |
f676886a | 1222 | XTflash (selected_frame); |
dc6f92b8 | 1223 | else |
dbc4e1c1 | 1224 | #endif |
dc6f92b8 JB |
1225 | { |
1226 | BLOCK_INPUT; | |
1227 | XRINGBELL; | |
1228 | XFlushQueue (); | |
1229 | UNBLOCK_INPUT; | |
1230 | } | |
1231 | } | |
1232 | \f | |
f451eb13 JB |
1233 | /* Insert and delete character. |
1234 | These are not supposed to be used because we are supposed to turn | |
1235 | off the feature of using them. */ | |
dc6f92b8 JB |
1236 | |
1237 | static | |
1238 | XTinsert_glyphs (start, len) | |
1239 | register char *start; | |
1240 | register int len; | |
1241 | { | |
1242 | abort (); | |
1243 | } | |
1244 | ||
1245 | static | |
1246 | XTdelete_glyphs (n) | |
1247 | register int n; | |
1248 | { | |
1249 | abort (); | |
1250 | } | |
1251 | \f | |
1252 | /* Specify how many text lines, from the top of the window, | |
1253 | should be affected by insert-lines and delete-lines operations. | |
1254 | This, and those operations, are used only within an update | |
1255 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1256 | ||
1257 | static | |
1258 | XTset_terminal_window (n) | |
1259 | register int n; | |
1260 | { | |
f676886a | 1261 | if (updating_frame == 0) |
dc6f92b8 JB |
1262 | abort (); |
1263 | ||
f676886a JB |
1264 | if ((n <= 0) || (n > updating_frame->height)) |
1265 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1266 | else |
1267 | flexlines = n; | |
1268 | } | |
1269 | \f | |
f451eb13 JB |
1270 | /* Perform an insert-lines operation. |
1271 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
1272 | |
1273 | static void | |
1274 | stufflines (n) | |
1275 | register int n; | |
1276 | { | |
1277 | register int topregion, bottomregion; | |
1278 | register int length, newtop, mask; | |
f676886a JB |
1279 | register struct frame *f = updating_frame; |
1280 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1281 | |
1282 | if (curs_y >= flexlines) | |
1283 | return; | |
1284 | ||
1285 | topregion = curs_y; | |
1286 | bottomregion = flexlines - (n + 1); | |
1287 | newtop = topregion + n; | |
1288 | length = (bottomregion - topregion) + 1; | |
1289 | ||
1290 | #ifndef HAVE_X11 | |
1291 | dumpqueue (); | |
c118dd06 | 1292 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1293 | |
1294 | if ((length > 0) && (newtop <= flexlines)) | |
1295 | { | |
1296 | #ifdef HAVE_X11 | |
c118dd06 JB |
1297 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1298 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 1299 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1300 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1301 | length * f->display.x->line_height, intborder, |
12ba150f | 1302 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
1303 | #else /* ! defined (HAVE_X11) */ |
1304 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
1305 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
1306 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a | 1307 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1308 | length * f->display.x->line_height); |
dc6f92b8 JB |
1309 | /* Now we must process any ExposeRegion events that occur |
1310 | if the area being copied from is obscured. | |
1311 | We can't let it wait because further i/d operations | |
1312 | may want to copy this area to another area. */ | |
1313 | x_read_exposes (); | |
c118dd06 | 1314 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1315 | } |
1316 | ||
1317 | newtop = min (newtop, (flexlines - 1)); | |
1318 | length = newtop - topregion; | |
1319 | if (length > 0) | |
1320 | { | |
1321 | #ifdef HAVE_X11 | |
c118dd06 | 1322 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1323 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1324 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1325 | n * f->display.x->line_height, False); |
c118dd06 JB |
1326 | #else /* ! defined (HAVE_X11) */ |
1327 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1328 | intborder, |
12ba150f | 1329 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1330 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1331 | n * f->display.x->line_height, |
f676886a | 1332 | f->display.x->background_pixel); |
c118dd06 | 1333 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1334 | } |
1335 | } | |
1336 | ||
1337 | /* Perform a delete-lines operation, deleting N lines | |
1338 | at a vertical position curs_y. */ | |
1339 | ||
1340 | static void | |
1341 | scraplines (n) | |
1342 | register int n; | |
1343 | { | |
1344 | int mask; | |
f676886a JB |
1345 | register struct frame *f = updating_frame; |
1346 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1347 | |
1348 | if (curs_y >= flexlines) | |
1349 | return; | |
1350 | ||
1351 | #ifndef HAVE_X11 | |
1352 | dumpqueue (); | |
c118dd06 | 1353 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1354 | |
1355 | if ((curs_y + n) >= flexlines) | |
1356 | { | |
1357 | if (flexlines >= (curs_y + 1)) | |
1358 | { | |
1359 | #ifdef HAVE_X11 | |
c118dd06 | 1360 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1361 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a | 1362 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1363 | (flexlines - curs_y) * f->display.x->line_height, False); |
c118dd06 JB |
1364 | #else /* ! defined (HAVE_X11) */ |
1365 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 1366 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a | 1367 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1368 | (flexlines - curs_y) * f->display.x->line_height, |
f676886a | 1369 | f->display.x->background_pixel); |
c118dd06 | 1370 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1371 | } |
1372 | } | |
1373 | else | |
1374 | { | |
1375 | #ifdef HAVE_X11 | |
c118dd06 JB |
1376 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1377 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 1378 | intborder, |
12ba150f | 1379 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a | 1380 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1381 | (flexlines - (curs_y + n)) * f->display.x->line_height, |
12ba150f | 1382 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 1383 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 1384 | intborder, |
12ba150f | 1385 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1386 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1387 | n * f->display.x->line_height, False); |
c118dd06 JB |
1388 | #else /* ! defined (HAVE_X11) */ |
1389 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1390 | intborder, |
12ba150f JB |
1391 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
1392 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 1393 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1394 | (flexlines - (curs_y + n)) * f->display.x->line_height); |
dc6f92b8 JB |
1395 | /* Now we must process any ExposeRegion events that occur |
1396 | if the area being copied from is obscured. | |
1397 | We can't let it wait because further i/d operations | |
1398 | may want to copy this area to another area. */ | |
1399 | x_read_exposes (); | |
c118dd06 | 1400 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 1401 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1402 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1403 | n * f->display.x->line_height, f->display.x->background_pixel); |
c118dd06 | 1404 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1405 | } |
1406 | } | |
1407 | ||
1408 | /* Perform an insert-lines or delete-lines operation, | |
1409 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1410 | ||
1411 | XTins_del_lines (vpos, n) | |
1412 | int vpos, n; | |
1413 | { | |
f676886a | 1414 | if (updating_frame == 0) |
dc6f92b8 JB |
1415 | abort (); |
1416 | ||
90e65f07 | 1417 | /* Hide the cursor. */ |
f676886a | 1418 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1419 | |
1420 | XTcursor_to (vpos, 0); | |
1421 | ||
1422 | BLOCK_INPUT; | |
1423 | if (n >= 0) | |
1424 | stufflines (n); | |
1425 | else | |
1426 | scraplines (-n); | |
1427 | XFlushQueue (); | |
1428 | UNBLOCK_INPUT; | |
1429 | } | |
1430 | \f | |
f451eb13 | 1431 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1432 | static void clear_cursor (); |
1433 | ||
f676886a JB |
1434 | /* Output into a rectangle of an X-window (for frame F) |
1435 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1436 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1437 | ROWS and COLS are the size of the rectangle. |
1438 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1439 | |
1440 | static void | |
f676886a JB |
1441 | dumprectangle (f, left, top, cols, rows) |
1442 | struct frame *f; | |
dc6f92b8 JB |
1443 | register int left, top, cols, rows; |
1444 | { | |
f676886a | 1445 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1446 | int cursor_cleared = 0; |
1447 | int bottom, right; | |
1448 | register int y; | |
1449 | ||
f676886a | 1450 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1451 | return; |
1452 | ||
dc6f92b8 JB |
1453 | /* Express rectangle as four edges, instead of position-and-size. */ |
1454 | bottom = top + rows; | |
1455 | right = left + cols; | |
1456 | ||
1457 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1458 | { |
1459 | int intborder = f->display.x->internal_border_width; | |
1460 | ||
1461 | /* If the rectangle includes any of the internal border area, | |
1462 | redisplay the border emphasis. */ | |
1463 | if (top < intborder || left < intborder | |
a27f9f86 RS |
1464 | || bottom > intborder + f->height * f->display.x->line_height |
1465 | || right > intborder + f->width * f->display.x->line_height) | |
12ba150f JB |
1466 | dumpborder (f, 0); |
1467 | } | |
b8009dd1 | 1468 | #endif /* not HAVE_X11 Window manger does this for X11. */ |
dc6f92b8 JB |
1469 | |
1470 | /* Convert rectangle edges in pixels to edges in chars. | |
1471 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1472 | top = PIXEL_TO_CHAR_ROW (f, top); |
1473 | left = PIXEL_TO_CHAR_COL (f, left); | |
a27f9f86 | 1474 | bottom += (f->display.x->line_height - 1); |
f676886a | 1475 | right += (FONT_WIDTH (f->display.x->font) - 1); |
12ba150f JB |
1476 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1477 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1478 | |
1479 | /* Clip the rectangle to what can be visible. */ | |
1480 | if (left < 0) | |
1481 | left = 0; | |
1482 | if (top < 0) | |
1483 | top = 0; | |
f676886a JB |
1484 | if (right > f->width) |
1485 | right = f->width; | |
1486 | if (bottom > f->height) | |
1487 | bottom = f->height; | |
dc6f92b8 JB |
1488 | |
1489 | /* Get size in chars of the rectangle. */ | |
1490 | cols = right - left; | |
1491 | rows = bottom - top; | |
1492 | ||
1493 | /* If rectangle has zero area, return. */ | |
1494 | if (rows <= 0) return; | |
1495 | if (cols <= 0) return; | |
1496 | ||
1497 | /* Turn off the cursor if it is in the rectangle. | |
1498 | We will turn it back on afterward. */ | |
f676886a JB |
1499 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1500 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1501 | { |
f676886a | 1502 | clear_cursor (f); |
dc6f92b8 JB |
1503 | cursor_cleared = 1; |
1504 | } | |
1505 | ||
1506 | /* Display the text in the rectangle, one text line at a time. */ | |
1507 | ||
1508 | for (y = top; y < bottom; y++) | |
1509 | { | |
f676886a | 1510 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1511 | |
f676886a | 1512 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1513 | continue; |
1514 | ||
f676886a | 1515 | dumpglyphs (f, |
12ba150f JB |
1516 | CHAR_TO_PIXEL_COL (f, left), |
1517 | CHAR_TO_PIXEL_ROW (f, y), | |
1518 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1519 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1520 | } |
1521 | ||
1522 | /* Turn the cursor on if we turned it off. */ | |
1523 | ||
1524 | if (cursor_cleared) | |
f676886a | 1525 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1526 | } |
1527 | ||
1528 | #ifndef HAVE_X11 | |
1529 | /* Process all queued ExposeRegion events. */ | |
1530 | ||
1531 | static void | |
1532 | dumpqueue () | |
1533 | { | |
1534 | register int i; | |
1535 | XExposeRegionEvent r; | |
1536 | ||
1537 | while (dequeue_event (&r, &x_expose_queue)) | |
1538 | { | |
f676886a JB |
1539 | struct frame *f = x_window_to_frame (r.window); |
1540 | if (f->display.x->icon_desc == r.window) | |
1541 | refreshicon (f); | |
dc6f92b8 | 1542 | else |
f676886a | 1543 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1544 | } |
1545 | XFlushQueue (); | |
1546 | } | |
c118dd06 | 1547 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1548 | \f |
f451eb13 | 1549 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1550 | Redraws the cursor if necessary on any frame that |
1551 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1552 | |
f451eb13 | 1553 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1554 | static void |
1555 | x_do_pending_expose () | |
1556 | { | |
1557 | int mask; | |
f676886a JB |
1558 | struct frame *f; |
1559 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1560 | |
1561 | if (expose_all_windows) | |
1562 | { | |
1563 | expose_all_windows = 0; | |
f676886a | 1564 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1565 | { |
1566 | register int temp_width, temp_height; | |
1567 | int intborder; | |
1568 | ||
f676886a | 1569 | frame = XCONS (tail)->car; |
ab648270 | 1570 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1571 | continue; |
f676886a | 1572 | f = XFRAME (frame); |
b1c884c3 | 1573 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1574 | continue; |
3a88c238 | 1575 | if (!f->async_visible) |
dc6f92b8 | 1576 | continue; |
f676886a | 1577 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1578 | continue; |
1579 | ||
f676886a | 1580 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1581 | |
f676886a | 1582 | clear_cursor (f); |
c118dd06 | 1583 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1584 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1585 | - f->display.x->v_scroll_bar_width) |
f676886a | 1586 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1587 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1588 | - f->display.x->h_scroll_bar_height) |
a27f9f86 | 1589 | / f->display.x->line_height); |
f676886a | 1590 | if (temp_width != f->width || temp_height != f->height) |
dc6f92b8 | 1591 | { |
f676886a | 1592 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1593 | max (1, temp_width), 0, 1); |
ab648270 | 1594 | x_resize_scroll_bars (f); |
dc6f92b8 | 1595 | } |
f676886a JB |
1596 | f->display.x->left_pos = windowinfo.x; |
1597 | f->display.x->top_pos = windowinfo.y; | |
1598 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1599 | #if 0 |
f676886a | 1600 | dumpborder (f, 0); |
c118dd06 | 1601 | #endif /* ! 0 */ |
f676886a JB |
1602 | f->display.x->needs_exposure = 0; |
1603 | if (updating_frame != f) | |
1604 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1605 | XFlushQueue (); |
1606 | } | |
1607 | } | |
1608 | else | |
1609 | /* Handle any individual-rectangle expose events queued | |
1610 | for various windows. */ | |
1611 | #ifdef HAVE_X11 | |
1612 | ; | |
c118dd06 | 1613 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1614 | dumpqueue (); |
c118dd06 | 1615 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1616 | } |
f451eb13 | 1617 | #endif |
dc6f92b8 JB |
1618 | |
1619 | #ifdef HAVE_X11 | |
1620 | static void | |
f676886a JB |
1621 | frame_highlight (frame) |
1622 | struct frame *frame; | |
dc6f92b8 | 1623 | { |
b3e1e05c JB |
1624 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1625 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1626 | and border pixel are window attributes which are "private to the | |
1627 | client", so we can always change it to whatever we want. */ | |
1628 | BLOCK_INPUT; | |
1629 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), | |
1630 | frame->display.x->border_pixel); | |
1631 | UNBLOCK_INPUT; | |
f676886a | 1632 | x_display_cursor (frame, 1); |
dc6f92b8 JB |
1633 | } |
1634 | ||
1635 | static void | |
f676886a JB |
1636 | frame_unhighlight (frame) |
1637 | struct frame *frame; | |
dc6f92b8 | 1638 | { |
b3e1e05c JB |
1639 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1640 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1641 | and border pixel are window attributes which are "private to the | |
1642 | client", so we can always change it to whatever we want. */ | |
1643 | BLOCK_INPUT; | |
1644 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), | |
1645 | frame->display.x->border_tile); | |
1646 | UNBLOCK_INPUT; | |
f676886a | 1647 | x_display_cursor (frame, 1); |
dc6f92b8 | 1648 | } |
c118dd06 | 1649 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1650 | /* Dump the border-emphasis of frame F. |
1651 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1652 | just within the border, occupying a portion of the internal border. |
f676886a | 1653 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1654 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1655 | ||
f676886a | 1656 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1657 | In that case, we also turn the cursor off and on again |
1658 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1659 | ||
1660 | static void | |
f676886a JB |
1661 | dumpborder (f, always) |
1662 | struct frame *f; | |
dc6f92b8 JB |
1663 | int always; |
1664 | { | |
f676886a JB |
1665 | int thickness = f->display.x->internal_border_width / 2; |
1666 | int width = PIXEL_WIDTH (f); | |
1667 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1668 | int pixel; |
1669 | ||
f676886a | 1670 | if (f != selected_frame) |
dc6f92b8 JB |
1671 | { |
1672 | if (!always) | |
1673 | return; | |
1674 | ||
f676886a | 1675 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1676 | } |
1677 | else | |
1678 | { | |
f676886a | 1679 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1680 | } |
1681 | ||
c118dd06 JB |
1682 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1683 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1684 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1685 | thickness, pixel); |
c118dd06 | 1686 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1687 | height, pixel); |
1688 | ||
1689 | if (always) | |
f676886a | 1690 | x_display_cursor (f, 1); |
dc6f92b8 | 1691 | } |
c118dd06 | 1692 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1693 | |
f676886a | 1694 | static void XTframe_rehighlight (); |
6d4238f3 | 1695 | |
f676886a JB |
1696 | /* The focus has changed. Update the frames as necessary to reflect |
1697 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1698 | here, because the lisp code we are interrupting might become confused. |
eb8c3be9 | 1699 | Each event gets marked with the frame in which it occurred, so the |
6d4238f3 | 1700 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1701 | |
6d4238f3 | 1702 | static void |
f676886a JB |
1703 | x_new_focus_frame (frame) |
1704 | struct frame *frame; | |
dc6f92b8 | 1705 | { |
f676886a | 1706 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1707 | int events_enqueued = 0; |
1708 | ||
f676886a | 1709 | if (frame != x_focus_frame) |
dc6f92b8 | 1710 | { |
6d4238f3 | 1711 | /* Set this before calling other routines, so that they see |
f676886a JB |
1712 | the correct value of x_focus_frame. */ |
1713 | x_focus_frame = frame; | |
6d4238f3 JB |
1714 | |
1715 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1716 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1717 | |
1718 | #if 0 | |
f676886a JB |
1719 | selected_frame = frame; |
1720 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1721 | Lisp_Frame, selected_frame); | |
1722 | Fselect_window (selected_frame->selected_window); | |
1723 | choose_minibuf_frame (); | |
c118dd06 | 1724 | #endif /* ! 0 */ |
dc6f92b8 | 1725 | |
f676886a | 1726 | if (x_focus_frame && x_focus_frame->auto_raise) |
0134a210 RS |
1727 | pending_autoraise_frame = x_focus_frame; |
1728 | else | |
1729 | pending_autoraise_frame = 0; | |
6d4238f3 | 1730 | } |
dc6f92b8 | 1731 | |
f676886a | 1732 | XTframe_rehighlight (); |
6d4238f3 JB |
1733 | } |
1734 | ||
1735 | ||
f451eb13 JB |
1736 | /* The focus has changed, or we have redirected a frame's focus to |
1737 | another frame (this happens when a frame uses a surrogate | |
1738 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1739 | static void |
f676886a | 1740 | XTframe_rehighlight () |
6d4238f3 | 1741 | { |
f676886a | 1742 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1743 | |
f676886a | 1744 | if (x_focus_frame) |
6d4238f3 | 1745 | { |
f451eb13 | 1746 | x_highlight_frame = |
ab648270 | 1747 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1748 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1749 | : x_focus_frame); | |
1750 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1751 | { | |
1752 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1753 | x_highlight_frame = x_focus_frame; | |
1754 | } | |
dc6f92b8 | 1755 | } |
6d4238f3 | 1756 | else |
f676886a | 1757 | x_highlight_frame = 0; |
dc6f92b8 | 1758 | |
f676886a | 1759 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1760 | { |
1761 | if (old_highlight) | |
f676886a JB |
1762 | frame_unhighlight (old_highlight); |
1763 | if (x_highlight_frame) | |
1764 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1765 | } |
dc6f92b8 JB |
1766 | } |
1767 | \f | |
e4571a43 | 1768 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1769 | |
28430d3c JB |
1770 | /* Which modifier keys are on which modifier bits? |
1771 | ||
1772 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1773 | keys were held down when the key was pressed. The interpretation |
1774 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1775 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1776 | is the meta bit. | |
1777 | ||
1778 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1779 | It may have more than one bit set, if more than one modifier bit | |
1780 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1781 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1782 | ||
1783 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1784 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1785 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1786 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1787 | arrangement, the lock modifier should shift the character if | |
1788 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1789 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1790 | |
a3c44b14 RS |
1791 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1792 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1793 | ||
28430d3c JB |
1794 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1795 | static void | |
1796 | x_find_modifier_meanings () | |
1797 | { | |
f689eb05 | 1798 | int min_code, max_code; |
28430d3c JB |
1799 | KeySym *syms; |
1800 | int syms_per_code; | |
1801 | XModifierKeymap *mods; | |
1802 | ||
1803 | x_meta_mod_mask = 0; | |
11edeb03 | 1804 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1805 | x_alt_mod_mask = 0; |
1806 | x_super_mod_mask = 0; | |
1807 | x_hyper_mod_mask = 0; | |
28430d3c | 1808 | |
9658a521 | 1809 | #ifdef HAVE_X11R4 |
28430d3c | 1810 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1811 | #else |
1812 | min_code = x_current_display->min_keycode; | |
1813 | max_code = x_current_display->max_keycode; | |
1814 | #endif | |
1815 | ||
28430d3c JB |
1816 | syms = XGetKeyboardMapping (x_current_display, |
1817 | min_code, max_code - min_code + 1, | |
1818 | &syms_per_code); | |
1819 | mods = XGetModifierMapping (x_current_display); | |
1820 | ||
11edeb03 JB |
1821 | /* Scan the modifier table to see which modifier bits the Meta and |
1822 | Alt keysyms are on. */ | |
28430d3c JB |
1823 | { |
1824 | int row, col; /* The row and column in the modifier table. */ | |
1825 | ||
1826 | for (row = 3; row < 8; row++) | |
1827 | for (col = 0; col < mods->max_keypermod; col++) | |
1828 | { | |
1829 | KeyCode code = | |
1830 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1831 | ||
af92970c KH |
1832 | /* Zeroes are used for filler. Skip them. */ |
1833 | if (code == 0) | |
1834 | continue; | |
1835 | ||
28430d3c JB |
1836 | /* Are any of this keycode's keysyms a meta key? */ |
1837 | { | |
1838 | int code_col; | |
1839 | ||
1840 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1841 | { | |
f689eb05 | 1842 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1843 | |
f689eb05 | 1844 | switch (sym) |
28430d3c | 1845 | { |
f689eb05 JB |
1846 | case XK_Meta_L: |
1847 | case XK_Meta_R: | |
28430d3c JB |
1848 | x_meta_mod_mask |= (1 << row); |
1849 | break; | |
f689eb05 JB |
1850 | |
1851 | case XK_Alt_L: | |
1852 | case XK_Alt_R: | |
a3c44b14 RS |
1853 | x_alt_mod_mask |= (1 << row); |
1854 | break; | |
1855 | ||
1856 | case XK_Hyper_L: | |
1857 | case XK_Hyper_R: | |
1858 | x_hyper_mod_mask |= (1 << row); | |
1859 | break; | |
1860 | ||
1861 | case XK_Super_L: | |
1862 | case XK_Super_R: | |
1863 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1864 | break; |
11edeb03 JB |
1865 | |
1866 | case XK_Shift_Lock: | |
1867 | /* Ignore this if it's not on the lock modifier. */ | |
1868 | if ((1 << row) == LockMask) | |
1869 | x_shift_lock_mask = LockMask; | |
1870 | break; | |
28430d3c JB |
1871 | } |
1872 | } | |
1873 | } | |
1874 | } | |
1875 | } | |
1876 | ||
f689eb05 JB |
1877 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1878 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1879 | { |
1880 | x_meta_mod_mask = x_alt_mod_mask; | |
1881 | x_alt_mod_mask = 0; | |
1882 | } | |
f689eb05 | 1883 | |
148c4b70 RS |
1884 | /* If some keys are both alt and meta, |
1885 | make them just meta, not alt. */ | |
1886 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1887 | { | |
1888 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1889 | } | |
1890 | ||
28430d3c | 1891 | XFree ((char *) syms); |
f689eb05 | 1892 | XFreeModifiermap (mods); |
28430d3c JB |
1893 | } |
1894 | ||
dfeccd2d JB |
1895 | /* Convert between the modifier bits X uses and the modifier bits |
1896 | Emacs uses. */ | |
7c5283e4 | 1897 | static unsigned int |
dfeccd2d | 1898 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1899 | unsigned int state; |
1900 | { | |
11edeb03 JB |
1901 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1902 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1903 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1904 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1905 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1906 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1907 | } |
1908 | ||
dfeccd2d JB |
1909 | static unsigned int |
1910 | x_emacs_to_x_modifiers (state) | |
1911 | unsigned int state; | |
1912 | { | |
1913 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1914 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1915 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1916 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1917 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1918 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1919 | } | |
1920 | ||
e4571a43 JB |
1921 | /* Return true iff KEYSYM is a vendor-specific keysym that we should |
1922 | return as a function key. If you add a keysym to this, you should | |
1923 | make sure that the tables make_lispy_event uses contain a suitable | |
1924 | name for it. */ | |
1925 | static int | |
1926 | x_is_vendor_fkey (sym) | |
1927 | KeySym sym; | |
1928 | { | |
1929 | return 0 | |
1930 | #ifdef DXK_Remove | |
1931 | || (sym == DXK_Remove) | |
1932 | #endif | |
1933 | ; | |
1934 | } | |
1935 | ||
1936 | \f | |
1937 | /* Mouse clicks and mouse movement. Rah. */ | |
1938 | #ifdef HAVE_X11 | |
1939 | ||
1940 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1941 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1942 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1943 | If NOCLIP is nonzero, do not force the value into range. */ | |
1944 | ||
c8dba240 | 1945 | void |
69388238 | 1946 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1947 | FRAME_PTR f; |
69388238 | 1948 | register int pix_x, pix_y; |
e4571a43 JB |
1949 | register int *x, *y; |
1950 | XRectangle *bounds; | |
69388238 | 1951 | int noclip; |
e4571a43 | 1952 | { |
69388238 RS |
1953 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1954 | even for negative values. */ | |
1955 | if (pix_x < 0) | |
1956 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1957 | if (pix_y < 0) | |
a27f9f86 | 1958 | pix_y -= (f)->display.x->line_height - 1; |
69388238 | 1959 | |
e4571a43 JB |
1960 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1961 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1962 | ||
1963 | if (bounds) | |
1964 | { | |
1965 | bounds->width = FONT_WIDTH (f->display.x->font); | |
a27f9f86 | 1966 | bounds->height = f->display.x->line_height; |
e4571a43 JB |
1967 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1968 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1969 | } | |
1970 | ||
69388238 RS |
1971 | if (!noclip) |
1972 | { | |
1973 | if (pix_x < 0) | |
1974 | pix_x = 0; | |
1975 | else if (pix_x > f->width) | |
1976 | pix_x = f->width; | |
1977 | ||
1978 | if (pix_y < 0) | |
1979 | pix_y = 0; | |
1980 | else if (pix_y > f->height) | |
1981 | pix_y = f->height; | |
1982 | } | |
e4571a43 JB |
1983 | |
1984 | *x = pix_x; | |
1985 | *y = pix_y; | |
1986 | } | |
1987 | ||
2b5c9e71 RS |
1988 | void |
1989 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1990 | FRAME_PTR f; | |
1991 | register int x, y; | |
1992 | register int *pix_x, *pix_y; | |
1993 | { | |
1994 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1995 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1996 | } | |
1997 | ||
dc6f92b8 JB |
1998 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1999 | ||
2000 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 2001 | the mouse. */ |
dc6f92b8 JB |
2002 | |
2003 | static Lisp_Object | |
f451eb13 | 2004 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
2005 | struct input_event *result; |
2006 | XButtonEvent *event; | |
f676886a | 2007 | struct frame *f; |
dc6f92b8 | 2008 | { |
f451eb13 | 2009 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 2010 | otherwise. */ |
f451eb13 | 2011 | result->kind = mouse_click; |
69388238 | 2012 | result->code = event->button - Button1; |
1113d9db | 2013 | result->timestamp = event->time; |
dfeccd2d | 2014 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
2015 | | (event->type == ButtonRelease |
2016 | ? up_modifier | |
2017 | : down_modifier)); | |
dc6f92b8 JB |
2018 | |
2019 | /* Notice if the mouse is still grabbed. */ | |
2020 | if (event->type == ButtonPress) | |
2021 | { | |
2022 | if (! x_mouse_grabbed) | |
2023 | Vmouse_depressed = Qt; | |
90e65f07 | 2024 | x_mouse_grabbed |= (1 << event->button); |
69388238 | 2025 | last_mouse_frame = f; |
dc6f92b8 JB |
2026 | } |
2027 | else if (event->type == ButtonRelease) | |
2028 | { | |
90e65f07 | 2029 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
2030 | if (!x_mouse_grabbed) |
2031 | Vmouse_depressed = Qnil; | |
2032 | } | |
2033 | ||
f451eb13 JB |
2034 | { |
2035 | int row, column; | |
dc6f92b8 | 2036 | |
2b5c9e71 | 2037 | #if 0 |
69388238 | 2038 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
f451eb13 JB |
2039 | XFASTINT (result->x) = column; |
2040 | XFASTINT (result->y) = row; | |
2b5c9e71 | 2041 | #endif |
09fe4c31 RS |
2042 | XSET (result->x, Lisp_Int, event->x); |
2043 | XSET (result->y, Lisp_Int, event->y); | |
12ba150f | 2044 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 2045 | } |
dc6f92b8 | 2046 | } |
b849c413 RS |
2047 | |
2048 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
2049 | ||
2050 | static Lisp_Object | |
2051 | construct_menu_click (result, event, f) | |
2052 | struct input_event *result; | |
2053 | XButtonEvent *event; | |
2054 | struct frame *f; | |
2055 | { | |
2056 | /* Make the event type no_event; we'll change that when we decide | |
2057 | otherwise. */ | |
2058 | result->kind = mouse_click; | |
2059 | XSET (result->code, Lisp_Int, event->button - Button1); | |
2060 | result->timestamp = event->time; | |
2061 | result->modifiers = (x_x_to_emacs_modifiers (event->state) | |
2062 | | (event->type == ButtonRelease | |
2063 | ? up_modifier | |
2064 | : down_modifier)); | |
2065 | ||
09fe4c31 RS |
2066 | XSET (result->x, Lisp_Int, event->x); |
2067 | XSET (result->y, Lisp_Int, -1); | |
c8dba240 | 2068 | XSET (result->frame_or_window, Lisp_Frame, f); |
b849c413 | 2069 | } |
69388238 | 2070 | \f |
90e65f07 JB |
2071 | /* Function to report a mouse movement to the mainstream Emacs code. |
2072 | The input handler calls this. | |
2073 | ||
2074 | We have received a mouse movement event, which is given in *event. | |
2075 | If the mouse is over a different glyph than it was last time, tell | |
2076 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
2077 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 2078 | |
90e65f07 | 2079 | static void |
12ba150f | 2080 | note_mouse_movement (frame, event) |
f676886a | 2081 | FRAME_PTR frame; |
90e65f07 JB |
2082 | XMotionEvent *event; |
2083 | ||
2084 | { | |
e5d77022 JB |
2085 | last_mouse_movement_time = event->time; |
2086 | ||
90e65f07 JB |
2087 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
2088 | if (event->x < last_mouse_glyph.x | |
2089 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
2090 | || event->y < last_mouse_glyph.y | |
2091 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
2092 | { |
2093 | mouse_moved = 1; | |
ab648270 | 2094 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
2095 | |
2096 | note_mouse_highlight (frame, event->x, event->y); | |
2097 | ||
2098 | /* Ask for another mouse motion event. */ | |
2099 | { | |
2100 | int dummy; | |
2101 | ||
2102 | XQueryPointer (event->display, event->window, | |
2103 | (Window *) &dummy, (Window *) &dummy, | |
2104 | &dummy, &dummy, &dummy, &dummy, | |
2105 | (unsigned int *) &dummy); | |
2106 | } | |
12ba150f | 2107 | } |
90e65f07 JB |
2108 | else |
2109 | { | |
2110 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
2111 | event the next time the mouse moves and we can see if it's | |
2112 | *still* on the same glyph. */ | |
2113 | int dummy; | |
2114 | ||
2115 | XQueryPointer (event->display, event->window, | |
2116 | (Window *) &dummy, (Window *) &dummy, | |
2117 | &dummy, &dummy, &dummy, &dummy, | |
2118 | (unsigned int *) &dummy); | |
2119 | } | |
2120 | } | |
2121 | ||
bf1c0ba1 RS |
2122 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
2123 | static int disable_mouse_highlight; | |
2124 | ||
b8009dd1 RS |
2125 | /* Take proper action when the mouse has moved to position X, Y on frame F |
2126 | as regards highlighting characters that have mouse-face properties. | |
2127 | Also dehighlighting chars where the mouse was before. */ | |
2128 | ||
2129 | static void | |
2130 | note_mouse_highlight (f, x, y) | |
2131 | FRAME_PTR f; | |
2132 | { | |
2133 | int row, column, portion; | |
2134 | XRectangle new_glyph; | |
2135 | Lisp_Object window; | |
2136 | struct window *w; | |
2137 | ||
bf1c0ba1 RS |
2138 | if (disable_mouse_highlight) |
2139 | return; | |
2140 | ||
b8009dd1 RS |
2141 | mouse_face_mouse_x = x; |
2142 | mouse_face_mouse_y = y; | |
2143 | mouse_face_mouse_frame = f; | |
2144 | ||
2145 | if (mouse_face_defer) | |
2146 | return; | |
2147 | ||
514e4681 RS |
2148 | if (gc_in_progress) |
2149 | { | |
2150 | mouse_face_deferred_gc = 1; | |
2151 | return; | |
2152 | } | |
2153 | ||
b8009dd1 RS |
2154 | /* Find out which glyph the mouse is on. */ |
2155 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
2156 | &new_glyph, x_mouse_grabbed); | |
2157 | ||
2158 | /* Which window is that in? */ | |
2159 | window = window_from_coordinates (f, column, row, &portion); | |
2160 | w = XWINDOW (window); | |
2161 | ||
2162 | /* If we were displaying active text in another window, clear that. */ | |
2163 | if (! EQ (window, mouse_face_window)) | |
2164 | clear_mouse_face (); | |
2165 | ||
0cdd0c9f RS |
2166 | /* Are we in a window whose display is up to date? |
2167 | And verify the buffer's text has not changed. */ | |
b8009dd1 | 2168 | if (WINDOWP (window) && portion == 0 |
0cdd0c9f RS |
2169 | && EQ (w->window_end_valid, w->buffer) |
2170 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
2171 | { |
2172 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
2173 | int i, pos; | |
2174 | ||
2175 | /* Find which buffer position the mouse corresponds to. */ | |
2176 | for (i = column; i >= 0; i--) | |
2177 | if (ptr[i] > 0) | |
2178 | break; | |
2179 | pos = ptr[i]; | |
2180 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 KH |
2181 | if (pos <= 0) |
2182 | clear_mouse_face (); | |
2183 | else if (! (EQ (window, mouse_face_window) | |
3b506386 KH |
2184 | && row >= mouse_face_beg_row |
2185 | && row <= mouse_face_end_row | |
2186 | && (row > mouse_face_beg_row || column >= mouse_face_beg_col) | |
2187 | && (row < mouse_face_end_row || column < mouse_face_end_col))) | |
b8009dd1 RS |
2188 | { |
2189 | Lisp_Object mouse_face, overlay, position; | |
2190 | Lisp_Object *overlay_vec; | |
2191 | int len, noverlays, ignor1; | |
f8bdb8e6 | 2192 | struct buffer *obuf; |
e444162e | 2193 | int obegv, ozv; |
f8bdb8e6 | 2194 | |
e444162e RS |
2195 | /* If we get an out-of-range value, return now; avoid an error. */ |
2196 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 2197 | return; |
b8009dd1 | 2198 | |
09fe4c31 RS |
2199 | /* Make the window's buffer temporarily current for |
2200 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 2201 | obuf = current_buffer; |
09fe4c31 | 2202 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
2203 | obegv = BEGV; |
2204 | ozv = ZV; | |
2205 | BEGV = BEG; | |
2206 | ZV = Z; | |
09fe4c31 | 2207 | |
b8009dd1 RS |
2208 | /* Yes. Clear the display of the old active region, if any. */ |
2209 | clear_mouse_face (); | |
2210 | ||
2211 | /* Is this char mouse-active? */ | |
2212 | XSET (position, Lisp_Int, pos); | |
2213 | ||
2214 | len = 10; | |
2215 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
2216 | ||
2217 | /* Put all the overlays we want in a vector in overlay_vec. | |
2218 | Store the length in len. */ | |
2219 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, &ignor1); | |
09fe4c31 | 2220 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
2221 | |
2222 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
2223 | overlay = Qnil; | |
2224 | for (i = 0; i < noverlays; i++) | |
2225 | { | |
2226 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2227 | if (!NILP (mouse_face)) | |
2228 | { | |
2229 | overlay = overlay_vec[i]; | |
2230 | break; | |
2231 | } | |
2232 | } | |
2233 | free (overlay_vec); | |
2234 | /* If no overlay applies, get a text property. */ | |
2235 | if (NILP (overlay)) | |
2236 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
2237 | ||
2238 | /* Handle the overlay case. */ | |
2239 | if (! NILP (overlay)) | |
2240 | { | |
2241 | /* Find the range of text around this char that | |
2242 | should be active. */ | |
2243 | Lisp_Object before, after; | |
2244 | int ignore; | |
2245 | ||
2246 | before = Foverlay_start (overlay); | |
2247 | after = Foverlay_end (overlay); | |
2248 | /* Record this as the current active region. */ | |
3b506386 KH |
2249 | fast_find_position (window, before, |
2250 | &mouse_face_beg_col, &mouse_face_beg_row); | |
2251 | fast_find_position (window, after, | |
2252 | &mouse_face_end_col, &mouse_face_end_row); | |
b8009dd1 RS |
2253 | mouse_face_window = window; |
2254 | mouse_face_face_id = compute_char_face (f, w, pos, 0, 0, | |
2255 | &ignore, pos + 1, 1); | |
2256 | ||
2257 | /* Display it as active. */ | |
2258 | show_mouse_face (1); | |
2259 | } | |
2260 | /* Handle the text property case. */ | |
2261 | else if (! NILP (mouse_face)) | |
2262 | { | |
2263 | /* Find the range of text around this char that | |
2264 | should be active. */ | |
2265 | Lisp_Object before, after, beginning, end; | |
2266 | int ignore; | |
2267 | ||
2268 | beginning = Fmarker_position (w->start); | |
2269 | XSET (end, Lisp_Int, | |
09fe4c31 | 2270 | (BUF_Z (XBUFFER (w->buffer)) |
b8009dd1 RS |
2271 | - XFASTINT (w->window_end_pos))); |
2272 | before | |
2273 | = Fprevious_single_property_change (make_number (pos + 1), | |
2274 | Qmouse_face, | |
2275 | w->buffer, beginning); | |
2276 | after | |
2277 | = Fnext_single_property_change (position, Qmouse_face, | |
2278 | w->buffer, end); | |
2279 | /* Record this as the current active region. */ | |
3b506386 KH |
2280 | fast_find_position (window, before, |
2281 | &mouse_face_beg_col, &mouse_face_beg_row); | |
2282 | fast_find_position (window, after, | |
2283 | &mouse_face_end_col, &mouse_face_end_row); | |
b8009dd1 RS |
2284 | mouse_face_window = window; |
2285 | mouse_face_face_id | |
2286 | = compute_char_face (f, w, pos, 0, 0, | |
2287 | &ignore, pos + 1, 1); | |
2288 | ||
2289 | /* Display it as active. */ | |
2290 | show_mouse_face (1); | |
2291 | } | |
e444162e RS |
2292 | BEGV = obegv; |
2293 | ZV = ozv; | |
09fe4c31 | 2294 | current_buffer = obuf; |
b8009dd1 | 2295 | } |
b8009dd1 RS |
2296 | } |
2297 | } | |
2298 | \f | |
2299 | /* Find the row and column of position POS in window WINDOW. | |
2300 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2301 | This assumes display in WINDOW is up to date. |
2302 | If POS is above start of WINDOW, return coords | |
2303 | of start of first screen line. | |
2304 | If POS is after end of WINDOW, return coords of end of last screen line. */ | |
b8009dd1 RS |
2305 | |
2306 | static int | |
2307 | fast_find_position (window, pos, columnp, rowp) | |
2308 | Lisp_Object window; | |
2309 | int pos; | |
2310 | int *columnp, *rowp; | |
2311 | { | |
2312 | struct window *w = XWINDOW (window); | |
2313 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2314 | int i; | |
2315 | int row; | |
2316 | int left = w->left; | |
2317 | int top = w->top; | |
2318 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2319 | int width = window_internal_width (w); | |
2320 | int *charstarts; | |
bf1c0ba1 | 2321 | int lastcol; |
b8009dd1 RS |
2322 | |
2323 | for (i = 0; | |
2324 | i < height; | |
2325 | i++) | |
2326 | { | |
2327 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2328 | if (linestart > pos) | |
2329 | break; | |
2330 | if (linestart > 0) | |
2331 | row = i; | |
2332 | } | |
2333 | ||
2334 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; | |
bf1c0ba1 | 2335 | lastcol = left; |
b8009dd1 | 2336 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2337 | { |
2338 | if (charstarts[left + i] == pos) | |
2339 | { | |
2340 | *rowp = row + top; | |
2341 | *columnp = i + left; | |
2342 | return 1; | |
2343 | } | |
2344 | else if (charstarts[left + i] > pos) | |
2345 | lastcol = left + i; | |
2346 | } | |
b8009dd1 | 2347 | |
bf1c0ba1 RS |
2348 | *rowp = row + top; |
2349 | *columnp = lastcol; | |
b8009dd1 RS |
2350 | return 0; |
2351 | } | |
2352 | ||
2353 | /* Display the active region described by mouse_face_* | |
2354 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2355 | ||
2356 | static void | |
2357 | show_mouse_face (hl) | |
2358 | int hl; | |
2359 | { | |
b8009dd1 RS |
2360 | struct window *w = XWINDOW (mouse_face_window); |
2361 | int width = window_internal_width (w); | |
2362 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2363 | int i; | |
514e4681 RS |
2364 | int curs_x = f->phys_cursor_x; |
2365 | int curs_y = f->phys_cursor_y; | |
2366 | int cursor_off = 0; | |
b8009dd1 | 2367 | |
3b506386 | 2368 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) |
b8009dd1 | 2369 | { |
3b506386 KH |
2370 | int column = (i == mouse_face_beg_row ? mouse_face_beg_col : w->left); |
2371 | int endcolumn = (i == mouse_face_end_row ? mouse_face_end_col : w->left + width); | |
514e4681 RS |
2372 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i] - w->left); |
2373 | ||
2374 | /* If the cursor's in the text we are about to rewrite, | |
2375 | turn the cursor off. */ | |
2376 | if (i == curs_y | |
3b506386 | 2377 | && curs_x >= mouse_face_beg_col - 1 && curs_x <= mouse_face_end_col) |
514e4681 RS |
2378 | { |
2379 | x_display_cursor (f, 0); | |
2380 | cursor_off = 1; | |
2381 | } | |
b8009dd1 RS |
2382 | |
2383 | dumpglyphs (f, | |
2384 | CHAR_TO_PIXEL_COL (f, column), | |
2385 | CHAR_TO_PIXEL_ROW (f, i), | |
2386 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2387 | endcolumn - column, | |
2388 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2389 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2390 | } |
2391 | ||
514e4681 RS |
2392 | /* If we turned the cursor off, turn it back on. */ |
2393 | if (cursor_off) | |
2394 | x_display_cursor (f, 1); | |
27ead1d5 FP |
2395 | |
2396 | /* Change the mouse cursor according to the value of HL. */ | |
2397 | if (hl > 0) | |
2398 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->cross_cursor); | |
2399 | else | |
2400 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->text_cursor); | |
b8009dd1 RS |
2401 | } |
2402 | ||
2403 | /* Clear out the mouse-highlighted active region. | |
2404 | Redraw it unhighlighted first. */ | |
2405 | ||
2406 | static void | |
2407 | clear_mouse_face () | |
2408 | { | |
2409 | if (! NILP (mouse_face_window)) | |
2410 | show_mouse_face (0); | |
2411 | ||
3b506386 KH |
2412 | mouse_face_beg_row = mouse_face_beg_col = -1; |
2413 | mouse_face_end_row = mouse_face_end_col = -1; | |
b8009dd1 RS |
2414 | mouse_face_window = Qnil; |
2415 | } | |
2416 | \f | |
ab648270 JB |
2417 | static struct scroll_bar *x_window_to_scroll_bar (); |
2418 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2419 | |
90e65f07 JB |
2420 | /* Return the current position of the mouse. |
2421 | ||
ab648270 JB |
2422 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
2423 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 2424 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2425 | position on the scroll bar. |
12ba150f JB |
2426 | |
2427 | If the mouse movement started elsewhere, set *f to the frame the | |
2428 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2429 | the mouse is over. | |
2430 | ||
2431 | Set *time to the server timestamp for the time at which the mouse | |
2432 | was at this position. | |
2433 | ||
a135645a RS |
2434 | Don't store anything if we don't have a valid set of values to report. |
2435 | ||
90e65f07 | 2436 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2437 | movement. This also calls XQueryPointer, which will cause the |
2438 | server to give us another MotionNotify when the mouse moves | |
2439 | again. */ | |
90e65f07 JB |
2440 | |
2441 | static void | |
12ba150f | 2442 | XTmouse_position (f, bar_window, part, x, y, time) |
472895ad | 2443 | FRAME_PTR *f; |
12ba150f | 2444 | Lisp_Object *bar_window; |
ab648270 | 2445 | enum scroll_bar_part *part; |
90e65f07 | 2446 | Lisp_Object *x, *y; |
e5d77022 | 2447 | unsigned long *time; |
90e65f07 | 2448 | { |
a135645a RS |
2449 | FRAME_PTR f1; |
2450 | ||
90e65f07 JB |
2451 | BLOCK_INPUT; |
2452 | ||
ab648270 JB |
2453 | if (! NILP (last_mouse_scroll_bar)) |
2454 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
2455 | else |
2456 | { | |
12ba150f JB |
2457 | Window root; |
2458 | int root_x, root_y; | |
90e65f07 | 2459 | |
12ba150f JB |
2460 | Window dummy_window; |
2461 | int dummy; | |
2462 | ||
2463 | mouse_moved = 0; | |
ab648270 | 2464 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2465 | |
2466 | /* Figure out which root window we're on. */ | |
2467 | XQueryPointer (x_current_display, | |
2468 | DefaultRootWindow (x_current_display), | |
2469 | ||
2470 | /* The root window which contains the pointer. */ | |
2471 | &root, | |
2472 | ||
2473 | /* Trash which we can't trust if the pointer is on | |
2474 | a different screen. */ | |
2475 | &dummy_window, | |
2476 | ||
2477 | /* The position on that root window. */ | |
2478 | &root_x, &root_y, | |
2479 | ||
2480 | /* More trash we can't trust. */ | |
2481 | &dummy, &dummy, | |
2482 | ||
2483 | /* Modifier keys and pointer buttons, about which | |
2484 | we don't care. */ | |
2485 | (unsigned int *) &dummy); | |
2486 | ||
2487 | /* Now we have a position on the root; find the innermost window | |
2488 | containing the pointer. */ | |
2489 | { | |
2490 | Window win, child; | |
2491 | int win_x, win_y; | |
2492 | int parent_x, parent_y; | |
2493 | ||
2494 | win = root; | |
69388238 | 2495 | |
06ef4a3f | 2496 | if (x_mouse_grabbed && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 2497 | { |
69388238 RS |
2498 | /* If mouse was grabbed on a frame, give coords for that frame |
2499 | even if the mouse is now outside it. */ | |
12ba150f | 2500 | XTranslateCoordinates (x_current_display, |
69388238 | 2501 | |
12ba150f | 2502 | /* From-window, to-window. */ |
69388238 | 2503 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2504 | |
2505 | /* From-position, to-position. */ | |
2506 | root_x, root_y, &win_x, &win_y, | |
2507 | ||
2508 | /* Child of win. */ | |
2509 | &child); | |
69388238 RS |
2510 | f1 = last_mouse_frame; |
2511 | } | |
2512 | else | |
2513 | { | |
2514 | while (1) | |
2515 | { | |
2516 | XTranslateCoordinates (x_current_display, | |
12ba150f | 2517 | |
69388238 RS |
2518 | /* From-window, to-window. */ |
2519 | root, win, | |
12ba150f | 2520 | |
69388238 RS |
2521 | /* From-position, to-position. */ |
2522 | root_x, root_y, &win_x, &win_y, | |
2523 | ||
2524 | /* Child of win. */ | |
2525 | &child); | |
2526 | ||
2527 | if (child == None) | |
2528 | break; | |
2529 | ||
2530 | win = child; | |
2531 | parent_x = win_x; | |
2532 | parent_y = win_y; | |
2533 | } | |
12ba150f | 2534 | |
69388238 RS |
2535 | /* Now we know that: |
2536 | win is the innermost window containing the pointer | |
2537 | (XTC says it has no child containing the pointer), | |
2538 | win_x and win_y are the pointer's position in it | |
2539 | (XTC did this the last time through), and | |
2540 | parent_x and parent_y are the pointer's position in win's parent. | |
2541 | (They are what win_x and win_y were when win was child. | |
2542 | If win is the root window, it has no parent, and | |
2543 | parent_{x,y} are invalid, but that's okay, because we'll | |
2544 | never use them in that case.) */ | |
2545 | ||
2546 | /* Is win one of our frames? */ | |
2b5c9e71 | 2547 | f1 = x_any_window_to_frame (win); |
69388238 | 2548 | } |
12ba150f | 2549 | |
ab648270 | 2550 | /* If not, is it one of our scroll bars? */ |
a135645a | 2551 | if (! f1) |
12ba150f | 2552 | { |
ab648270 | 2553 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2554 | |
2555 | if (bar) | |
2556 | { | |
a135645a | 2557 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2558 | win_x = parent_x; |
2559 | win_y = parent_y; | |
2560 | } | |
2561 | } | |
90e65f07 | 2562 | |
a135645a | 2563 | if (f1) |
12ba150f | 2564 | { |
2b5c9e71 RS |
2565 | int ignore1, ignore2; |
2566 | ||
2567 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2568 | |
2b5c9e71 | 2569 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
69388238 | 2570 | &last_mouse_glyph, x_mouse_grabbed); |
12ba150f JB |
2571 | |
2572 | *bar_window = Qnil; | |
2573 | *part = 0; | |
a135645a | 2574 | *f = f1; |
12ba150f JB |
2575 | XSET (*x, Lisp_Int, win_x); |
2576 | XSET (*y, Lisp_Int, win_y); | |
2577 | *time = last_mouse_movement_time; | |
2578 | } | |
2579 | } | |
2580 | } | |
90e65f07 JB |
2581 | |
2582 | UNBLOCK_INPUT; | |
2583 | } | |
2584 | ||
c118dd06 | 2585 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2586 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
2587 | #endif /* ! defined (HAVE_X11) */ |
2588 | \f | |
ab648270 | 2589 | /* Scroll bar support. */ |
f451eb13 | 2590 | |
ab648270 JB |
2591 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2592 | This can be called in GC, so we have to make sure to strip off mark | |
2593 | bits. */ | |
2594 | static struct scroll_bar * | |
2595 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2596 | Window window_id; |
2597 | { | |
2598 | Lisp_Object tail, frame; | |
f451eb13 | 2599 | |
ab648270 JB |
2600 | for (tail = Vframe_list; |
2601 | XGCTYPE (tail) == Lisp_Cons; | |
2602 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2603 | { |
abdda982 | 2604 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2605 | |
abdda982 | 2606 | frame = XCONS (tail)->car; |
f451eb13 | 2607 | /* All elements of Vframe_list should be frames. */ |
ab648270 | 2608 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
2609 | abort (); |
2610 | ||
ab648270 | 2611 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2612 | right window ID. */ |
ab648270 JB |
2613 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2614 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2615 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2616 | condemned scroll bar lists with one loop. */ |
2617 | ! GC_NILP (bar) || (bar = condemned, | |
2618 | condemned = Qnil, | |
2619 | ! GC_NILP (bar)); | |
bc20ebbf | 2620 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2621 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2622 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2623 | } |
2624 | ||
2625 | return 0; | |
2626 | } | |
2627 | ||
ab648270 JB |
2628 | /* Open a new X window to serve as a scroll bar, and return the |
2629 | scroll bar vector for it. */ | |
2630 | static struct scroll_bar * | |
2631 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2632 | struct window *window; |
f451eb13 JB |
2633 | int top, left, width, height; |
2634 | { | |
12ba150f | 2635 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
2636 | struct scroll_bar *bar = |
2637 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2638 | |
2639 | BLOCK_INPUT; | |
2640 | ||
2641 | { | |
2642 | XSetWindowAttributes a; | |
2643 | unsigned long mask; | |
12ba150f JB |
2644 | a.background_pixel = frame->display.x->background_pixel; |
2645 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 2646 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2647 | | ExposureMask); |
ab648270 | 2648 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 2649 | |
dbc4e1c1 | 2650 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2651 | |
3afe33e7 RS |
2652 | #if 0 |
2653 | ||
2654 | ac = 0; | |
2655 | XtSetArg (al[ac], XtNx, left); ac++; | |
2656 | XtSetArg (al[ac], XtNy, top); ac++; | |
2657 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2658 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2659 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2660 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 KH |
2661 | boxWidgetClass, |
2662 | frame->display.x->edit_widget, al, ac); | |
2663 | SET_SCROLL_BAR_X_WINDOW | |
3afe33e7 RS |
2664 | (bar, sb_widget->core.window); |
2665 | #endif | |
7246d1d3 | 2666 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
2667 | (bar, |
2668 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 2669 | |
ab648270 | 2670 | /* Position and size of scroll bar. */ |
12ba150f | 2671 | left, top, width, height, |
f451eb13 | 2672 | |
12ba150f JB |
2673 | /* Border width, depth, class, and visual. */ |
2674 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2675 | |
12ba150f JB |
2676 | /* Attributes. */ |
2677 | mask, &a)); | |
f451eb13 JB |
2678 | } |
2679 | ||
12ba150f JB |
2680 | XSET (bar->window, Lisp_Window, window); |
2681 | XSET (bar->top, Lisp_Int, top); | |
2682 | XSET (bar->left, Lisp_Int, left); | |
2683 | XSET (bar->width, Lisp_Int, width); | |
2684 | XSET (bar->height, Lisp_Int, height); | |
2685 | XSET (bar->start, Lisp_Int, 0); | |
2686 | XSET (bar->end, Lisp_Int, 0); | |
2687 | bar->dragging = Qnil; | |
f451eb13 JB |
2688 | |
2689 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 2690 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 2691 | bar->prev = Qnil; |
ab648270 | 2692 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 2693 | if (! NILP (bar->next)) |
ab648270 | 2694 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 2695 | |
ab648270 | 2696 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2697 | |
2698 | UNBLOCK_INPUT; | |
12ba150f JB |
2699 | |
2700 | return bar; | |
f451eb13 JB |
2701 | } |
2702 | ||
12ba150f JB |
2703 | /* Draw BAR's handle in the proper position. |
2704 | If the handle is already drawn from START to END, don't bother | |
2705 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2706 | redraw it. (REBUILD is handy for drawing the handle after expose | |
2707 | events.) | |
2708 | ||
2709 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2710 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2711 | handle, we want to let them drag it down all the way, so that the |
2712 | bar's top is as far down as it goes; otherwise, there's no way to | |
2713 | move to the very end of the buffer. */ | |
f451eb13 | 2714 | static void |
ab648270 JB |
2715 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2716 | struct scroll_bar *bar; | |
f451eb13 | 2717 | int start, end; |
12ba150f | 2718 | int rebuild; |
f451eb13 | 2719 | { |
12ba150f | 2720 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2721 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2722 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2723 | ||
2724 | /* If the display is already accurate, do nothing. */ | |
2725 | if (! rebuild | |
2726 | && start == XINT (bar->start) | |
2727 | && end == XINT (bar->end)) | |
2728 | return; | |
2729 | ||
f451eb13 JB |
2730 | BLOCK_INPUT; |
2731 | ||
2732 | { | |
ab648270 JB |
2733 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2734 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2735 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2736 | |
2737 | /* Make sure the values are reasonable, and try to preserve | |
2738 | the distance between start and end. */ | |
12ba150f JB |
2739 | { |
2740 | int length = end - start; | |
2741 | ||
2742 | if (start < 0) | |
2743 | start = 0; | |
2744 | else if (start > top_range) | |
2745 | start = top_range; | |
2746 | end = start + length; | |
2747 | ||
2748 | if (end < start) | |
2749 | end = start; | |
2750 | else if (end > top_range && ! dragging) | |
2751 | end = top_range; | |
2752 | } | |
f451eb13 | 2753 | |
ab648270 | 2754 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
2755 | XSET (bar->start, Lisp_Int, start); |
2756 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 2757 | |
12ba150f JB |
2758 | /* Clip the end position, just for display. */ |
2759 | if (end > top_range) | |
2760 | end = top_range; | |
f451eb13 | 2761 | |
ab648270 | 2762 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2763 | below top positions, to make sure the handle is always at least |
2764 | that many pixels tall. */ | |
ab648270 | 2765 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2766 | |
12ba150f JB |
2767 | /* Draw the empty space above the handle. Note that we can't clear |
2768 | zero-height areas; that means "clear to end of window." */ | |
2769 | if (0 < start) | |
2770 | XClearArea (x_current_display, w, | |
f451eb13 | 2771 | |
12ba150f | 2772 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2773 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2774 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2775 | inside_width, start, |
2776 | False); | |
f451eb13 | 2777 | |
12ba150f JB |
2778 | /* Draw the handle itself. */ |
2779 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2780 | |
12ba150f | 2781 | /* x, y, width, height */ |
ab648270 JB |
2782 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2783 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2784 | inside_width, end - start); |
f451eb13 | 2785 | |
f451eb13 | 2786 | |
12ba150f JB |
2787 | /* Draw the empty space below the handle. Note that we can't |
2788 | clear zero-height areas; that means "clear to end of window." */ | |
2789 | if (end < inside_height) | |
2790 | XClearArea (x_current_display, w, | |
f451eb13 | 2791 | |
12ba150f | 2792 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2793 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2794 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2795 | inside_width, inside_height - end, |
2796 | False); | |
f451eb13 | 2797 | |
f451eb13 JB |
2798 | } |
2799 | ||
f451eb13 JB |
2800 | UNBLOCK_INPUT; |
2801 | } | |
2802 | ||
eb8c3be9 | 2803 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2804 | window configurations. */ |
f451eb13 | 2805 | static void |
ab648270 JB |
2806 | x_scroll_bar_move (bar, top, left, width, height) |
2807 | struct scroll_bar *bar; | |
f451eb13 JB |
2808 | int top, left, width, height; |
2809 | { | |
2810 | BLOCK_INPUT; | |
2811 | ||
2812 | { | |
2813 | XWindowChanges wc; | |
2814 | unsigned int mask = 0; | |
2815 | ||
2816 | wc.x = left; | |
2817 | wc.y = top; | |
2818 | wc.width = width; | |
2819 | wc.height = height; | |
2820 | ||
12ba150f JB |
2821 | if (left != XINT (bar->left)) mask |= CWX; |
2822 | if (top != XINT (bar->top)) mask |= CWY; | |
2823 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2824 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2825 | ||
2826 | if (mask) | |
ab648270 | 2827 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2828 | mask, &wc); |
f451eb13 JB |
2829 | } |
2830 | ||
12ba150f JB |
2831 | XSET (bar->left, Lisp_Int, left); |
2832 | XSET (bar->top, Lisp_Int, top); | |
2833 | XSET (bar->width, Lisp_Int, width); | |
2834 | XSET (bar->height, Lisp_Int, height); | |
2835 | ||
f451eb13 JB |
2836 | UNBLOCK_INPUT; |
2837 | } | |
2838 | ||
ab648270 | 2839 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2840 | to nil. */ |
2841 | static void | |
ab648270 JB |
2842 | x_scroll_bar_remove (bar) |
2843 | struct scroll_bar *bar; | |
12ba150f JB |
2844 | { |
2845 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2846 | ||
2847 | BLOCK_INPUT; | |
2848 | ||
2849 | /* Destroy the window. */ | |
ab648270 | 2850 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2851 | |
ab648270 JB |
2852 | /* Disassociate this scroll bar from its window. */ |
2853 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2854 | |
2855 | UNBLOCK_INPUT; | |
2856 | } | |
2857 | ||
2858 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2859 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2860 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2861 | create one. */ |
2862 | static void | |
ab648270 | 2863 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2864 | struct window *window; |
2865 | int portion, whole, position; | |
2866 | { | |
2867 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2868 | int top = XINT (window->top); |
ab648270 JB |
2869 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2870 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2871 | |
ab648270 | 2872 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2873 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2874 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2875 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2876 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2877 | |
ab648270 | 2878 | struct scroll_bar *bar; |
12ba150f | 2879 | |
ab648270 JB |
2880 | /* Does the scroll bar exist yet? */ |
2881 | if (NILP (window->vertical_scroll_bar)) | |
2882 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2883 | pixel_top, pixel_left, |
2884 | pixel_width, pixel_height); | |
2885 | else | |
12ba150f JB |
2886 | { |
2887 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2888 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2889 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2890 | } |
f451eb13 | 2891 | |
ab648270 | 2892 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2893 | dragged. */ |
12ba150f | 2894 | if (NILP (bar->dragging)) |
f451eb13 | 2895 | { |
12ba150f | 2896 | int top_range = |
ab648270 | 2897 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2898 | |
12ba150f | 2899 | if (whole == 0) |
ab648270 | 2900 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2901 | else |
2902 | { | |
43f868f5 JB |
2903 | int start = ((double) position * top_range) / whole; |
2904 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2905 | |
ab648270 | 2906 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2907 | } |
f451eb13 JB |
2908 | } |
2909 | ||
ab648270 | 2910 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2911 | } |
2912 | ||
12ba150f | 2913 | |
f451eb13 | 2914 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2915 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2916 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2917 | away is a real pain - "Can you say set-window-configuration, boys |
2918 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2919 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2920 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2921 | |
ab648270 JB |
2922 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2923 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2924 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2925 | static void |
ab648270 | 2926 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2927 | FRAME_PTR frame; |
2928 | { | |
12ba150f JB |
2929 | /* The condemned list should be empty at this point; if it's not, |
2930 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2931 | protocol correctly. */ | |
ab648270 | 2932 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2933 | abort (); |
2934 | ||
2935 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2936 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2937 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2938 | } |
2939 | ||
ab648270 | 2940 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2941 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2942 | static void |
ab648270 | 2943 | XTredeem_scroll_bar (window) |
12ba150f | 2944 | struct window *window; |
f451eb13 | 2945 | { |
ab648270 | 2946 | struct scroll_bar *bar; |
12ba150f | 2947 | |
ab648270 JB |
2948 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2949 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2950 | abort (); |
2951 | ||
ab648270 | 2952 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2953 | |
2954 | /* Unlink it from the condemned list. */ | |
2955 | { | |
2956 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2957 | ||
2958 | if (NILP (bar->prev)) | |
2959 | { | |
2960 | /* If the prev pointer is nil, it must be the first in one of | |
2961 | the lists. */ | |
ab648270 | 2962 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2963 | /* It's not condemned. Everything's fine. */ |
2964 | return; | |
ab648270 JB |
2965 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2966 | window->vertical_scroll_bar)) | |
2967 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2968 | else |
2969 | /* If its prev pointer is nil, it must be at the front of | |
2970 | one or the other! */ | |
2971 | abort (); | |
2972 | } | |
2973 | else | |
ab648270 | 2974 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2975 | |
2976 | if (! NILP (bar->next)) | |
ab648270 | 2977 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2978 | |
ab648270 | 2979 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2980 | bar->prev = Qnil; |
ab648270 | 2981 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2982 | if (! NILP (bar->next)) |
ab648270 | 2983 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2984 | } |
f451eb13 JB |
2985 | } |
2986 | ||
ab648270 JB |
2987 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2988 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2989 | static void |
ab648270 | 2990 | XTjudge_scroll_bars (f) |
12ba150f | 2991 | FRAME_PTR f; |
f451eb13 | 2992 | { |
12ba150f | 2993 | Lisp_Object bar, next; |
f451eb13 | 2994 | |
ab648270 | 2995 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2996 | |
2997 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2998 | more events on the hapless scroll bars. */ |
2999 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
3000 | |
3001 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 3002 | { |
ab648270 | 3003 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 3004 | |
ab648270 | 3005 | x_scroll_bar_remove (b); |
12ba150f JB |
3006 | |
3007 | next = b->next; | |
3008 | b->next = b->prev = Qnil; | |
f451eb13 | 3009 | } |
12ba150f | 3010 | |
ab648270 | 3011 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 3012 | and they should get garbage-collected. */ |
f451eb13 JB |
3013 | } |
3014 | ||
3015 | ||
ab648270 JB |
3016 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
3017 | ||
3018 | This may be called from a signal handler, so we have to ignore GC | |
3019 | mark bits. */ | |
f451eb13 | 3020 | static void |
ab648270 JB |
3021 | x_scroll_bar_expose (bar, event) |
3022 | struct scroll_bar *bar; | |
f451eb13 JB |
3023 | XEvent *event; |
3024 | { | |
ab648270 | 3025 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
3026 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
3027 | ||
f451eb13 JB |
3028 | BLOCK_INPUT; |
3029 | ||
ab648270 | 3030 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 3031 | |
ab648270 | 3032 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 3033 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
3034 | |
3035 | /* x, y, width, height */ | |
12ba150f | 3036 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 3037 | |
f451eb13 JB |
3038 | UNBLOCK_INPUT; |
3039 | } | |
3040 | ||
ab648270 JB |
3041 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
3042 | is set to something other than no_event, it is enqueued. | |
3043 | ||
3044 | This may be called from a signal handler, so we have to ignore GC | |
3045 | mark bits. */ | |
f451eb13 | 3046 | static void |
ab648270 JB |
3047 | x_scroll_bar_handle_click (bar, event, emacs_event) |
3048 | struct scroll_bar *bar; | |
f451eb13 JB |
3049 | XEvent *event; |
3050 | struct input_event *emacs_event; | |
3051 | { | |
ab648270 | 3052 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
3053 | abort (); |
3054 | ||
ab648270 | 3055 | emacs_event->kind = scroll_bar_click; |
69388238 | 3056 | emacs_event->code = event->xbutton.button - Button1; |
f451eb13 | 3057 | emacs_event->modifiers = |
dfeccd2d | 3058 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
3059 | | (event->type == ButtonRelease |
3060 | ? up_modifier | |
3061 | : down_modifier)); | |
12ba150f | 3062 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 3063 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
3064 | { |
3065 | int internal_height = | |
ab648270 | 3066 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 3067 | int top_range = |
ab648270 JB |
3068 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
3069 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
3070 | |
3071 | if (y < 0) y = 0; | |
3072 | if (y > top_range) y = top_range; | |
3073 | ||
3074 | if (y < XINT (bar->start)) | |
ab648270 JB |
3075 | emacs_event->part = scroll_bar_above_handle; |
3076 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3077 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 3078 | else |
ab648270 | 3079 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
3080 | |
3081 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
3082 | they want to drag it. Lisp code needs to be able to decide |
3083 | whether or not we're dragging. */ | |
929787e1 | 3084 | #if 0 |
12ba150f JB |
3085 | /* If the user has just clicked on the handle, record where they're |
3086 | holding it. */ | |
3087 | if (event->type == ButtonPress | |
ab648270 | 3088 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 3089 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 3090 | #endif |
12ba150f JB |
3091 | |
3092 | /* If the user has released the handle, set it to its final position. */ | |
3093 | if (event->type == ButtonRelease | |
3094 | && ! NILP (bar->dragging)) | |
3095 | { | |
3096 | int new_start = y - XINT (bar->dragging); | |
3097 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 3098 | |
ab648270 | 3099 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
3100 | bar->dragging = Qnil; |
3101 | } | |
f451eb13 | 3102 | |
5116f055 JB |
3103 | /* Same deal here as the other #if 0. */ |
3104 | #if 0 | |
eb8c3be9 | 3105 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 3106 | the handle. */ |
ab648270 | 3107 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
3108 | emacs_event->x = bar->start; |
3109 | else | |
3110 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
3111 | #else |
3112 | XSET (emacs_event->x, Lisp_Int, y); | |
3113 | #endif | |
f451eb13 | 3114 | |
12ba150f JB |
3115 | XSET (emacs_event->y, Lisp_Int, top_range); |
3116 | } | |
3117 | } | |
f451eb13 | 3118 | |
ab648270 JB |
3119 | /* Handle some mouse motion while someone is dragging the scroll bar. |
3120 | ||
3121 | This may be called from a signal handler, so we have to ignore GC | |
3122 | mark bits. */ | |
f451eb13 | 3123 | static void |
ab648270 JB |
3124 | x_scroll_bar_note_movement (bar, event) |
3125 | struct scroll_bar *bar; | |
f451eb13 JB |
3126 | XEvent *event; |
3127 | { | |
3128 | last_mouse_movement_time = event->xmotion.time; | |
3129 | ||
3130 | mouse_moved = 1; | |
ab648270 | 3131 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
3132 | |
3133 | /* If we're dragging the bar, display it. */ | |
ab648270 | 3134 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
3135 | { |
3136 | /* Where should the handle be now? */ | |
12ba150f | 3137 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 3138 | |
12ba150f | 3139 | if (new_start != XINT (bar->start)) |
f451eb13 | 3140 | { |
12ba150f | 3141 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 3142 | |
ab648270 | 3143 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
3144 | } |
3145 | } | |
3146 | ||
3147 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
3148 | moves and we can see *still* on the same position. */ | |
3149 | { | |
3150 | int dummy; | |
3151 | ||
3152 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
3153 | (Window *) &dummy, (Window *) &dummy, | |
3154 | &dummy, &dummy, &dummy, &dummy, | |
3155 | (unsigned int *) &dummy); | |
3156 | } | |
3157 | } | |
3158 | ||
12ba150f | 3159 | /* Return information to the user about the current position of the mouse |
ab648270 | 3160 | on the scroll bar. */ |
12ba150f | 3161 | static void |
ab648270 | 3162 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
3163 | FRAME_PTR *f; |
3164 | Lisp_Object *bar_window; | |
ab648270 | 3165 | enum scroll_bar_part *part; |
12ba150f JB |
3166 | Lisp_Object *x, *y; |
3167 | unsigned long *time; | |
3168 | { | |
ab648270 | 3169 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 3170 | int win_x, win_y; |
559cb2fb JB |
3171 | Window dummy_window; |
3172 | int dummy_coord; | |
3173 | unsigned int dummy_mask; | |
12ba150f | 3174 | |
cf7cb199 JB |
3175 | BLOCK_INPUT; |
3176 | ||
ab648270 | 3177 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 3178 | report that. */ |
559cb2fb JB |
3179 | if (! XQueryPointer (x_current_display, |
3180 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 3181 | |
559cb2fb JB |
3182 | /* Root, child, root x and root y. */ |
3183 | &dummy_window, &dummy_window, | |
3184 | &dummy_coord, &dummy_coord, | |
12ba150f | 3185 | |
559cb2fb JB |
3186 | /* Position relative to scroll bar. */ |
3187 | &win_x, &win_y, | |
12ba150f | 3188 | |
559cb2fb JB |
3189 | /* Mouse buttons and modifier keys. */ |
3190 | &dummy_mask)) | |
3191 | *f = 0; | |
3192 | else | |
3193 | { | |
3194 | int inside_height | |
3195 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
3196 | int top_range | |
3197 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
3198 | ||
3199 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
3200 | ||
3201 | if (! NILP (bar->dragging)) | |
3202 | win_y -= XINT (bar->dragging); | |
3203 | ||
3204 | if (win_y < 0) | |
3205 | win_y = 0; | |
3206 | if (win_y > top_range) | |
3207 | win_y = top_range; | |
3208 | ||
3209 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
3210 | *bar_window = bar->window; | |
3211 | ||
3212 | if (! NILP (bar->dragging)) | |
3213 | *part = scroll_bar_handle; | |
3214 | else if (win_y < XINT (bar->start)) | |
3215 | *part = scroll_bar_above_handle; | |
3216 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3217 | *part = scroll_bar_handle; | |
3218 | else | |
3219 | *part = scroll_bar_below_handle; | |
12ba150f | 3220 | |
559cb2fb JB |
3221 | XSET (*x, Lisp_Int, win_y); |
3222 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 3223 | |
559cb2fb JB |
3224 | mouse_moved = 0; |
3225 | last_mouse_scroll_bar = Qnil; | |
3226 | } | |
12ba150f | 3227 | |
559cb2fb | 3228 | *time = last_mouse_movement_time; |
cf7cb199 | 3229 | |
cf7cb199 | 3230 | UNBLOCK_INPUT; |
12ba150f JB |
3231 | } |
3232 | ||
f451eb13 | 3233 | |
dbc4e1c1 | 3234 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
3235 | background colors, and the scroll bars may need to be redrawn. |
3236 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
3237 | redraw them. */ |
3238 | ||
ab648270 | 3239 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
3240 | FRAME_PTR f; |
3241 | { | |
3242 | Lisp_Object bar; | |
3243 | ||
ab648270 | 3244 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 3245 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
3246 | bar = XSCROLL_BAR (bar)->next) |
3247 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
3248 | 0, 0, 0, 0, True); |
3249 | } | |
3250 | ||
3afe33e7 RS |
3251 | /* This processes Expose events from the menubar specific X event |
3252 | loop in menubar.c. This allows to redisplay the frame if necessary | |
3253 | when handling menubar or popup items. */ | |
3254 | ||
3255 | void | |
3256 | process_expose_from_menu (event) | |
3257 | XEvent event; | |
3258 | { | |
3259 | FRAME_PTR f; | |
3260 | ||
f94397b5 KH |
3261 | BLOCK_INPUT; |
3262 | ||
3afe33e7 RS |
3263 | f = x_window_to_frame (event.xexpose.window); |
3264 | if (f) | |
3265 | { | |
3266 | if (f->async_visible == 0) | |
3267 | { | |
3268 | f->async_visible = 1; | |
3269 | f->async_iconified = 0; | |
3270 | SET_FRAME_GARBAGED (f); | |
3271 | } | |
3272 | else | |
3273 | { | |
3274 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3275 | event.xexpose.x, event.xexpose.y, | |
3276 | event.xexpose.width, event.xexpose.height); | |
3277 | } | |
3278 | } | |
3279 | else | |
3280 | { | |
3281 | struct scroll_bar *bar | |
3282 | = x_window_to_scroll_bar (event.xexpose.window); | |
3283 | ||
3284 | if (bar) | |
3285 | x_scroll_bar_expose (bar, &event); | |
3286 | } | |
f94397b5 KH |
3287 | |
3288 | UNBLOCK_INPUT; | |
3afe33e7 | 3289 | } |
dbc4e1c1 | 3290 | |
f451eb13 JB |
3291 | \f |
3292 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3293 | |
dc6f92b8 JB |
3294 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3295 | but we have to put it out here, since static variables within functions | |
3296 | sometimes don't work. */ | |
3297 | static Time enter_timestamp; | |
3298 | ||
11edeb03 JB |
3299 | /* This holds the state XLookupString needs to implement dead keys |
3300 | and other tricks known as "compose processing". _X Window System_ | |
3301 | says that a portable program can't use this, but Stephen Gildea assures | |
3302 | me that letting the compiler initialize it to zeros will work okay. | |
3303 | ||
3304 | This must be defined outside of XTread_socket, for the same reasons | |
3305 | given for enter_timestamp, above. */ | |
3306 | static XComposeStatus compose_status; | |
3307 | ||
c047688c JA |
3308 | /* Communication with window managers. */ |
3309 | Atom Xatom_wm_protocols; | |
3310 | ||
3311 | /* Kinds of protocol things we may receive. */ | |
3312 | Atom Xatom_wm_take_focus; | |
3313 | Atom Xatom_wm_save_yourself; | |
3314 | Atom Xatom_wm_delete_window; | |
3315 | ||
3316 | /* Other WM communication */ | |
3317 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
3318 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
3319 | ||
d56a553a RS |
3320 | /* Window manager communication. */ |
3321 | Atom Xatom_wm_change_state; | |
3322 | ||
c2df547c RS |
3323 | /* EditRes protocol */ |
3324 | Atom Xatom_editres_name; | |
3325 | ||
10e6549c RS |
3326 | /* Record the last 100 characters stored |
3327 | to help debug the loss-of-chars-during-GC problem. */ | |
3328 | int temp_index; | |
3329 | short temp_buffer[100]; | |
3330 | ||
dc6f92b8 JB |
3331 | /* Read events coming from the X server. |
3332 | This routine is called by the SIGIO handler. | |
3333 | We return as soon as there are no more events to be read. | |
3334 | ||
3335 | Events representing keys are stored in buffer BUFP, | |
3336 | which can hold up to NUMCHARS characters. | |
3337 | We return the number of characters stored into the buffer, | |
3338 | thus pretending to be `read'. | |
3339 | ||
3340 | WAITP is nonzero if we should block until input arrives. | |
3341 | EXPECTED is nonzero if the caller knows input is available. */ | |
3342 | ||
7c5283e4 | 3343 | int |
dc6f92b8 JB |
3344 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3345 | register int sd; | |
3346 | register struct input_event *bufp; | |
3347 | register int numchars; | |
3348 | int waitp; | |
3349 | int expected; | |
3350 | { | |
3351 | int count = 0; | |
3352 | int nbytes = 0; | |
3353 | int mask; | |
3354 | int items_pending; /* How many items are in the X queue. */ | |
3355 | XEvent event; | |
f676886a | 3356 | struct frame *f; |
66f55a9d | 3357 | int event_found = 0; |
dc6f92b8 JB |
3358 | int prefix; |
3359 | Lisp_Object part; | |
3360 | ||
9ac0d9e0 | 3361 | if (interrupt_input_blocked) |
dc6f92b8 | 3362 | { |
9ac0d9e0 | 3363 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3364 | return -1; |
3365 | } | |
3366 | ||
9ac0d9e0 | 3367 | interrupt_input_pending = 0; |
dc6f92b8 JB |
3368 | BLOCK_INPUT; |
3369 | ||
3370 | if (numchars <= 0) | |
3371 | abort (); /* Don't think this happens. */ | |
3372 | ||
3373 | #ifdef FIOSNBIO | |
3374 | /* If available, Xlib uses FIOSNBIO to make the socket | |
3375 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3376 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3377 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
3378 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 3379 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
3380 | |
3381 | #ifndef SIGIO | |
3382 | #ifndef HAVE_SELECT | |
3383 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
3384 | { | |
3385 | extern int read_alarm_should_throw; | |
3386 | read_alarm_should_throw = 1; | |
3387 | XPeekEvent (XDISPLAY &event); | |
3388 | read_alarm_should_throw = 0; | |
3389 | } | |
c118dd06 JB |
3390 | #endif /* HAVE_SELECT */ |
3391 | #endif /* SIGIO */ | |
dc6f92b8 JB |
3392 | |
3393 | while (XStuffPending () != 0) | |
3394 | { | |
3395 | XNextEvent (XDISPLAY &event); | |
3396 | event_found = 1; | |
3397 | ||
3398 | switch (event.type) | |
3399 | { | |
3400 | #ifdef HAVE_X11 | |
c047688c JA |
3401 | case ClientMessage: |
3402 | { | |
3403 | if (event.xclient.message_type == Xatom_wm_protocols | |
3404 | && event.xclient.format == 32) | |
3405 | { | |
3406 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
3407 | { | |
3afe33e7 | 3408 | f = x_window_to_frame (event.xclient.window); |
0a178815 RS |
3409 | /* Since we set WM_TAKE_FOCUS, we must call |
3410 | XSetInputFocus explicitly. But not if f is null, | |
3411 | since that might be an event for a deleted frame. */ | |
f676886a | 3412 | if (f) |
5627c40e RS |
3413 | XSetInputFocus (event.xclient.display, |
3414 | event.xclient.window, | |
3415 | RevertToPointerRoot, | |
3416 | event.xclient.data.l[1]); | |
ab648270 | 3417 | /* Not certain about handling scroll bars here */ |
c047688c JA |
3418 | } |
3419 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
3420 | { | |
3421 | /* Save state modify the WM_COMMAND property to | |
3422 | something which can reinstate us. This notifies | |
3423 | the session manager, who's looking for such a | |
3424 | PropertyNotify. Can restart processing when | |
3425 | a keyboard or mouse event arrives. */ | |
3426 | if (numchars > 0) | |
3427 | { | |
3428 | } | |
3429 | } | |
3430 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
3431 | { | |
82aebaf4 | 3432 | struct frame *f = x_any_window_to_frame (event.xclient.window); |
c047688c | 3433 | |
f676886a | 3434 | if (f) |
1fb20991 RS |
3435 | { |
3436 | if (numchars == 0) | |
3437 | abort (); | |
3438 | ||
3439 | bufp->kind = delete_window_event; | |
3440 | XSET (bufp->frame_or_window, Lisp_Frame, f); | |
3441 | bufp++; | |
3442 | ||
3443 | count += 1; | |
3444 | numchars -= 1; | |
3445 | } | |
c047688c JA |
3446 | } |
3447 | } | |
3448 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
3449 | { | |
3450 | } | |
3451 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
3452 | { | |
3453 | int new_x, new_y; | |
1fb20991 RS |
3454 | struct frame *f = x_window_to_frame (event.xclient.window); |
3455 | ||
4357eba7 JB |
3456 | new_x = event.xclient.data.s[0]; |
3457 | new_y = event.xclient.data.s[1]; | |
1fb20991 RS |
3458 | |
3459 | if (f) | |
3460 | { | |
3461 | f->display.x->left_pos = new_x; | |
3462 | f->display.x->top_pos = new_y; | |
3463 | } | |
c047688c | 3464 | } |
5627c40e | 3465 | #if defined (USE_X_TOOLKIT) && defined (HAVE_X11R5) |
c2df547c RS |
3466 | else if (event.xclient.message_type == Xatom_editres_name) |
3467 | { | |
3468 | struct frame *f = x_any_window_to_frame (event.xclient.window); | |
3469 | _XEditResCheckMessages (f->display.x->widget, NULL, &event, NULL); | |
3470 | } | |
5627c40e | 3471 | #endif /* USE_X_TOOLKIT and HAVE_X11R5 */ |
c047688c JA |
3472 | } |
3473 | break; | |
dc6f92b8 | 3474 | |
d56a553a | 3475 | case SelectionNotify: |
3afe33e7 | 3476 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3477 | if (! x_window_to_frame (event.xselection.requestor)) |
3afe33e7 | 3478 | goto OTHER; |
3afe33e7 | 3479 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3480 | x_handle_selection_notify (&event); |
d56a553a | 3481 | break; |
d56a553a | 3482 | |
dc6f92b8 | 3483 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3484 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3485 | if (! x_window_to_frame (event.xselectionclear.window)) |
3486 | goto OTHER; | |
3afe33e7 | 3487 | #endif /* USE_X_TOOLKIT */ |
b2bd9b6a | 3488 | { |
d56a553a RS |
3489 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; |
3490 | ||
3491 | if (numchars == 0) | |
3492 | abort (); | |
3493 | ||
3494 | bufp->kind = selection_clear_event; | |
3495 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3496 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3497 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3498 | bufp++; | |
3499 | ||
3500 | count += 1; | |
3501 | numchars -= 1; | |
3afe33e7 | 3502 | } |
dc6f92b8 JB |
3503 | break; |
3504 | ||
3505 | case SelectionRequest: /* Someone wants our selection. */ | |
3afe33e7 | 3506 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3507 | if (!x_window_to_frame (event.xselectionrequest.owner)) |
3508 | goto OTHER; | |
3afe33e7 | 3509 | #endif /* USE_X_TOOLKIT */ |
b2bd9b6a | 3510 | { |
d56a553a RS |
3511 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; |
3512 | ||
3513 | if (numchars == 0) | |
3514 | abort (); | |
3515 | ||
3516 | bufp->kind = selection_request_event; | |
3517 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3518 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3519 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3520 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3521 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3522 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3523 | bufp++; | |
3524 | ||
3525 | count += 1; | |
3526 | numchars -= 1; | |
3afe33e7 | 3527 | } |
dc6f92b8 JB |
3528 | break; |
3529 | ||
3530 | case PropertyNotify: | |
3afe33e7 | 3531 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3532 | if (!x_any_window_to_frame (event.xproperty.window)) |
3afe33e7 | 3533 | goto OTHER; |
3afe33e7 | 3534 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3535 | x_handle_property_notify (&event); |
dc6f92b8 JB |
3536 | break; |
3537 | ||
3bd330d4 | 3538 | case ReparentNotify: |
3a35ab44 | 3539 | f = x_top_window_to_frame (event.xreparent.window); |
3bd330d4 | 3540 | if (f) |
3a35ab44 RS |
3541 | { |
3542 | int x, y; | |
3543 | f->display.x->parent_desc = event.xreparent.parent; | |
3544 | x_real_positions (f, &x, &y); | |
3545 | f->display.x->left_pos = x; | |
3546 | f->display.x->top_pos = y; | |
3547 | } | |
3bd330d4 RS |
3548 | break; |
3549 | ||
dc6f92b8 | 3550 | case Expose: |
f676886a JB |
3551 | f = x_window_to_frame (event.xexpose.window); |
3552 | if (f) | |
dc6f92b8 | 3553 | { |
3a88c238 | 3554 | if (f->async_visible == 0) |
dc6f92b8 | 3555 | { |
3a88c238 JB |
3556 | f->async_visible = 1; |
3557 | f->async_iconified = 0; | |
f676886a | 3558 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
3559 | } |
3560 | else | |
b2bd9b6a RS |
3561 | dumprectangle (x_window_to_frame (event.xexpose.window), |
3562 | event.xexpose.x, event.xexpose.y, | |
3563 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
3564 | } |
3565 | else | |
3566 | { | |
ab648270 JB |
3567 | struct scroll_bar *bar |
3568 | = x_window_to_scroll_bar (event.xexpose.window); | |
3afe33e7 | 3569 | |
f451eb13 | 3570 | if (bar) |
3afe33e7 RS |
3571 | x_scroll_bar_expose (bar, &event); |
3572 | #ifdef USE_X_TOOLKIT | |
3573 | else | |
3574 | goto OTHER; | |
3575 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3576 | } |
3577 | break; | |
3578 | ||
3579 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
3580 | source area was obscured or not | |
3581 | available.*/ | |
f451eb13 JB |
3582 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
3583 | if (f) | |
3584 | { | |
3585 | dumprectangle (f, | |
3586 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3587 | event.xgraphicsexpose.width, | |
3588 | event.xgraphicsexpose.height); | |
f451eb13 | 3589 | } |
3afe33e7 RS |
3590 | #ifdef USE_X_TOOLKIT |
3591 | else | |
3592 | goto OTHER; | |
3593 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3594 | break; |
3595 | ||
3596 | case NoExpose: /* This occurs when an XCopyArea's | |
3597 | source area was completely | |
3598 | available */ | |
3599 | break; | |
c118dd06 | 3600 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3601 | case ExposeWindow: |
3602 | if (event.subwindow != 0) | |
3603 | break; /* duplicate event */ | |
f676886a JB |
3604 | f = x_window_to_frame (event.window); |
3605 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3606 | { |
f676886a | 3607 | refreshicon (f); |
3a88c238 | 3608 | f->async_iconified = 1; |
dc6f92b8 | 3609 | } |
c118dd06 | 3610 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3611 | { |
3612 | /* Say must check all windows' needs_exposure flags. */ | |
3613 | expose_all_windows = 1; | |
f676886a | 3614 | f->display.x->needs_exposure = 1; |
3a88c238 | 3615 | f->async_visible = 1; |
dc6f92b8 JB |
3616 | } |
3617 | break; | |
3618 | ||
3619 | case ExposeRegion: | |
3620 | if (event.subwindow != 0) | |
3621 | break; /* duplicate event */ | |
f676886a JB |
3622 | f = x_window_to_frame (event.window); |
3623 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3624 | { |
f676886a | 3625 | refreshicon (f); |
dc6f92b8 JB |
3626 | break; |
3627 | } | |
3628 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3629 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3630 | break; |
3631 | /* Put the event on the queue of rectangles to redraw. */ | |
3632 | if (enqueue_event (&event, &x_expose_queue)) | |
3633 | /* If it is full, we can't record the rectangle, | |
3634 | so redraw this entire window. */ | |
3635 | { | |
3636 | /* Say must check all windows' needs_exposure flags. */ | |
3637 | expose_all_windows = 1; | |
f676886a | 3638 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3639 | } |
3640 | break; | |
3641 | ||
3642 | case ExposeCopy: | |
3643 | /* This should happen only when we are expecting it, | |
3644 | in x_read_exposes. */ | |
3645 | abort (); | |
c118dd06 | 3646 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3647 | |
3648 | #ifdef HAVE_X11 | |
3649 | case UnmapNotify: | |
dc05a16b | 3650 | f = x_any_window_to_frame (event.xunmap.window); |
f451eb13 | 3651 | if (f) /* F may no longer exist if |
f676886a | 3652 | the frame was deleted. */ |
f451eb13 JB |
3653 | { |
3654 | /* While a frame is unmapped, display generation is | |
3655 | disabled; you don't want to spend time updating a | |
3656 | display that won't ever be seen. */ | |
3657 | f->async_visible = 0; | |
5627c40e RS |
3658 | /* We can't distinguish, from the event, whether the window |
3659 | has become iconified or invisible. So assume, if it | |
3660 | was previously visible, than now it is iconified. | |
3661 | We depend on x_make_frame_invisible to mark it iconified. */ | |
9319ae23 RS |
3662 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
3663 | f->async_iconified = 1; | |
f451eb13 | 3664 | } |
3afe33e7 RS |
3665 | #ifdef USE_X_TOOLKIT |
3666 | goto OTHER; | |
3667 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3668 | break; |
3669 | ||
3670 | case MapNotify: | |
b2bd9b6a RS |
3671 | /* We use x_top_window_to_frame because map events can come |
3672 | for subwindows and they don't mean that the frame is visible. */ | |
5627c40e | 3673 | f = x_top_window_to_frame (event.xmap.window); |
f676886a | 3674 | if (f) |
dc6f92b8 | 3675 | { |
3a88c238 JB |
3676 | f->async_visible = 1; |
3677 | f->async_iconified = 0; | |
dc6f92b8 JB |
3678 | |
3679 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
3680 | the frame's display structures. */ |
3681 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 | 3682 | } |
3afe33e7 RS |
3683 | #ifdef USE_X_TOOLKIT |
3684 | goto OTHER; | |
3685 | #endif /* USE_X_TOOLKIT */ | |
b2bd9b6a | 3686 | break; |
dc6f92b8 JB |
3687 | |
3688 | /* Turn off processing if we become fully obscured. */ | |
3689 | case VisibilityNotify: | |
3690 | break; | |
3691 | ||
c118dd06 | 3692 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3693 | case UnmapWindow: |
f676886a JB |
3694 | f = x_window_to_frame (event.window); |
3695 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 3696 | f->async_iconified = 0; |
c118dd06 | 3697 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 3698 | f->async_visible = 0; |
dc6f92b8 | 3699 | break; |
c118dd06 | 3700 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3701 | |
3702 | #ifdef HAVE_X11 | |
3703 | case KeyPress: | |
1dea5a83 | 3704 | f = x_any_window_to_frame (event.xkey.window); |
f451eb13 | 3705 | |
f676886a | 3706 | if (f != 0) |
dc6f92b8 | 3707 | { |
2d368234 | 3708 | KeySym keysym, orig_keysym; |
bf6d8fb9 RS |
3709 | /* al%imercury@uunet.uu.net says that making this 81 instead of |
3710 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3711 | unsigned char copy_buffer[81]; | |
64bb1782 RS |
3712 | int modifiers; |
3713 | ||
dfeccd2d JB |
3714 | event.xkey.state |
3715 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 3716 | modifiers = event.xkey.state; |
3a2712f9 | 3717 | |
11edeb03 | 3718 | /* This will have to go some day... */ |
752a043f JB |
3719 | |
3720 | /* make_lispy_event turns chars into control chars. | |
3721 | Don't do it here because XLookupString is too eager. */ | |
3722 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
3723 | nbytes = |
3724 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
3725 | &compose_status); | |
dc6f92b8 | 3726 | |
55123275 JB |
3727 | /* Strip off the vendor-specific keysym bit, and take a shot |
3728 | at recognizing the codes. HP servers have extra keysyms | |
3729 | that fit into the MiscFunctionKey category. */ | |
2d368234 | 3730 | orig_keysym = keysym; |
55123275 JB |
3731 | keysym &= ~(1<<28); |
3732 | ||
dc6f92b8 JB |
3733 | if (numchars > 1) |
3734 | { | |
64a07219 JB |
3735 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) |
3736 | || keysym == XK_Delete | |
3737 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3738 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3739 | #ifdef HPUX |
64a07219 JB |
3740 | /* This recognizes the "extended function keys". |
3741 | It seems there's no cleaner way. | |
3742 | Test IsModifierKey to avoid handling mode_switch | |
3743 | incorrectly. */ | |
3744 | || ((unsigned) (keysym) >= XK_Select | |
3745 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3746 | #endif |
3747 | #ifdef XK_dead_circumflex | |
3748 | || orig_keysym == XK_dead_circumflex | |
3749 | #endif | |
3750 | #ifdef XK_dead_grave | |
3751 | || orig_keysym == XK_dead_grave | |
3752 | #endif | |
3753 | #ifdef XK_dead_tilde | |
3754 | || orig_keysym == XK_dead_tilde | |
3755 | #endif | |
3756 | #ifdef XK_dead_diaeresis | |
3757 | || orig_keysym == XK_dead_diaeresis | |
3758 | #endif | |
3759 | #ifdef XK_dead_macron | |
3760 | || orig_keysym == XK_dead_macron | |
3761 | #endif | |
3762 | #ifdef XK_dead_degree | |
3763 | || orig_keysym == XK_dead_degree | |
3764 | #endif | |
3765 | #ifdef XK_dead_acute | |
3766 | || orig_keysym == XK_dead_acute | |
3767 | #endif | |
3768 | #ifdef XK_dead_cedilla | |
3769 | || orig_keysym == XK_dead_cedilla | |
3770 | #endif | |
3771 | #ifdef XK_dead_breve | |
3772 | || orig_keysym == XK_dead_breve | |
3773 | #endif | |
3774 | #ifdef XK_dead_ogonek | |
3775 | || orig_keysym == XK_dead_ogonek | |
3776 | #endif | |
3777 | #ifdef XK_dead_caron | |
3778 | || orig_keysym == XK_dead_caron | |
3779 | #endif | |
3780 | #ifdef XK_dead_doubleacute | |
3781 | || orig_keysym == XK_dead_doubleacute | |
3782 | #endif | |
3783 | #ifdef XK_dead_abovedot | |
3784 | || orig_keysym == XK_dead_abovedot | |
c34790e0 | 3785 | #endif |
64a07219 JB |
3786 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3787 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
3788 | || x_is_vendor_fkey (orig_keysym)) | |
7719aa06 RS |
3789 | && ! (IsModifierKey (orig_keysym) |
3790 | #ifndef HAVE_X11R5 | |
3791 | #ifdef XK_Mode_switch | |
3792 | || ((unsigned)(orig_keysym) == XK_Mode_switch) | |
3793 | #endif | |
3794 | #ifdef XK_Num_Lock | |
3795 | || ((unsigned)(orig_keysym) == XK_Num_Lock) | |
3796 | #endif | |
3797 | #endif /* not HAVE_X11R5 */ | |
3798 | )) | |
dc6f92b8 | 3799 | { |
10e6549c RS |
3800 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3801 | temp_index = 0; | |
3802 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 3803 | bufp->kind = non_ascii_keystroke; |
69388238 | 3804 | bufp->code = keysym; |
12ba150f | 3805 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3806 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3807 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3808 | bufp++; |
3809 | count++; | |
3810 | numchars--; | |
3811 | } | |
3812 | else if (numchars > nbytes) | |
3813 | { | |
3814 | register int i; | |
3815 | ||
10e6549c | 3816 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 3817 | { |
10e6549c RS |
3818 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3819 | temp_index = 0; | |
3820 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 3821 | bufp->kind = ascii_keystroke; |
69388238 | 3822 | bufp->code = copy_buffer[i]; |
12ba150f | 3823 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3824 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3825 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3826 | bufp++; |
3827 | } | |
dc6f92b8 JB |
3828 | |
3829 | count += nbytes; | |
3830 | numchars -= nbytes; | |
3831 | } | |
10e6549c RS |
3832 | else |
3833 | abort (); | |
dc6f92b8 | 3834 | } |
10e6549c RS |
3835 | else |
3836 | abort (); | |
dc6f92b8 JB |
3837 | } |
3838 | break; | |
c118dd06 | 3839 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3840 | case KeyPressed: |
3841 | { | |
3842 | register char *where_mapping; | |
3843 | ||
f676886a | 3844 | f = x_window_to_frame (event.window); |
dc6f92b8 | 3845 | /* Ignore keys typed on icon windows. */ |
f676886a | 3846 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
3847 | break; |
3848 | where_mapping = XLookupMapping (&event, &nbytes); | |
3849 | /* Nasty fix for arrow keys */ | |
3850 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
3851 | { | |
3852 | switch (event.detail & 0xff) | |
3853 | { | |
3854 | case KC_CURSOR_LEFT: | |
3855 | where_mapping = "\002"; | |
3856 | break; | |
3857 | case KC_CURSOR_RIGHT: | |
3858 | where_mapping = "\006"; | |
3859 | break; | |
3860 | case KC_CURSOR_UP: | |
3861 | where_mapping = "\020"; | |
3862 | break; | |
3863 | case KC_CURSOR_DOWN: | |
3864 | where_mapping = "\016"; | |
3865 | break; | |
3866 | } | |
3867 | nbytes = 1; | |
3868 | } | |
3869 | if (numchars - nbytes > 0) | |
3870 | { | |
3871 | register int i; | |
3872 | ||
3873 | for (i = 0; i < nbytes; i++) | |
3874 | { | |
3875 | bufp->kind = ascii_keystroke; | |
69388238 | 3876 | bufp->code = where_mapping[i]; |
90e65f07 | 3877 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 3878 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
3879 | bufp++; |
3880 | } | |
3881 | count += nbytes; | |
3882 | numchars -= nbytes; | |
3883 | } | |
3884 | } | |
3885 | break; | |
c118dd06 | 3886 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3887 | |
3888 | #ifdef HAVE_X11 | |
f451eb13 JB |
3889 | |
3890 | /* Here's a possible interpretation of the whole | |
3891 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3892 | FocusIn event, you have to get a FocusOut event before you | |
3893 | relinquish the focus. If you haven't received a FocusIn event, | |
3894 | then a mere LeaveNotify is enough to free you. */ | |
3895 | ||
dc6f92b8 | 3896 | case EnterNotify: |
1dea5a83 | 3897 | f = x_any_window_to_frame (event.xcrossing.window); |
6d4238f3 | 3898 | |
f451eb13 | 3899 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3900 | { |
dc6f92b8 | 3901 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
3902 | if (f && (!(f->auto_raise) |
3903 | || !(f->auto_lower) | |
dc6f92b8 JB |
3904 | || (event.xcrossing.time - enter_timestamp) > 500)) |
3905 | { | |
f676886a | 3906 | x_new_focus_frame (f); |
dc6f92b8 JB |
3907 | enter_timestamp = event.xcrossing.time; |
3908 | } | |
dc6f92b8 | 3909 | } |
f676886a JB |
3910 | else if (f == x_focus_frame) |
3911 | x_new_focus_frame (0); | |
da893f1f RS |
3912 | /* EnterNotify counts as mouse movement, |
3913 | so update things that depend on mouse position. */ | |
3914 | if (f) | |
3915 | note_mouse_movement (f, &event.xmotion); | |
3afe33e7 RS |
3916 | #ifdef USE_X_TOOLKIT |
3917 | goto OTHER; | |
3918 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3919 | break; |
3920 | ||
3921 | case FocusIn: | |
1dea5a83 | 3922 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3923 | if (event.xfocus.detail != NotifyPointer) |
3924 | x_focus_event_frame = f; | |
f676886a JB |
3925 | if (f) |
3926 | x_new_focus_frame (f); | |
3afe33e7 RS |
3927 | #ifdef USE_X_TOOLKIT |
3928 | goto OTHER; | |
3929 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3930 | break; |
3931 | ||
f451eb13 | 3932 | |
dc6f92b8 | 3933 | case LeaveNotify: |
10c5e63d KH |
3934 | f = x_top_window_to_frame (event.xcrossing.window); |
3935 | if (f) | |
f451eb13 | 3936 | { |
10c5e63d KH |
3937 | if (f == mouse_face_mouse_frame) |
3938 | /* If we move outside the frame, | |
3939 | then we're certainly no longer on any text in the frame. */ | |
3940 | clear_mouse_face (); | |
3941 | ||
3942 | if (event.xcrossing.focus) | |
3943 | { | |
3944 | if (! x_focus_event_frame) | |
3945 | x_new_focus_frame (0); | |
3946 | else | |
3947 | x_new_focus_frame (f); | |
3948 | } | |
3949 | else | |
3950 | { | |
3951 | if (f == x_focus_event_frame) | |
3952 | x_focus_event_frame = 0; | |
3953 | if (f == x_focus_frame) | |
3954 | x_new_focus_frame (0); | |
3955 | } | |
dc6f92b8 | 3956 | } |
3afe33e7 RS |
3957 | #ifdef USE_X_TOOLKIT |
3958 | goto OTHER; | |
3959 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3960 | break; |
3961 | ||
3962 | case FocusOut: | |
1dea5a83 | 3963 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3964 | if (event.xfocus.detail != NotifyPointer |
3965 | && f == x_focus_event_frame) | |
3966 | x_focus_event_frame = 0; | |
f676886a JB |
3967 | if (f && f == x_focus_frame) |
3968 | x_new_focus_frame (0); | |
3afe33e7 RS |
3969 | #ifdef USE_X_TOOLKIT |
3970 | goto OTHER; | |
3971 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3972 | break; |
3973 | ||
c118dd06 | 3974 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3975 | |
3976 | case EnterWindow: | |
3977 | if ((event.detail & 0xFF) == 1) | |
3978 | break; /* Coming from our own subwindow */ | |
3979 | if (event.subwindow != 0) | |
3980 | break; /* Entering our own subwindow. */ | |
3981 | ||
3982 | { | |
f676886a JB |
3983 | f = x_window_to_frame (event.window); |
3984 | x_mouse_frame = f; | |
dc6f92b8 | 3985 | |
f676886a | 3986 | x_new_focus_frame (f); |
dc6f92b8 JB |
3987 | } |
3988 | break; | |
3989 | ||
3990 | case LeaveWindow: | |
3991 | if ((event.detail & 0xFF) == 1) | |
3992 | break; /* Entering our own subwindow */ | |
3993 | if (event.subwindow != 0) | |
3994 | break; /* Leaving our own subwindow. */ | |
3995 | ||
f676886a JB |
3996 | x_mouse_frame = 0; |
3997 | if (x_focus_frame == 0 | |
3998 | && x_input_frame != 0 | |
3999 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 4000 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 4001 | { |
f676886a JB |
4002 | f = x_input_frame; |
4003 | x_input_frame = 0; | |
4004 | if (f) | |
4005 | frame_unhighlight (f); | |
dc6f92b8 JB |
4006 | } |
4007 | break; | |
c118dd06 | 4008 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4009 | |
4010 | #ifdef HAVE_X11 | |
4011 | case MotionNotify: | |
4012 | { | |
06ef4a3f | 4013 | if (x_mouse_grabbed && FRAME_LIVE_P (last_mouse_frame)) |
69388238 RS |
4014 | f = last_mouse_frame; |
4015 | else | |
4016 | f = x_window_to_frame (event.xmotion.window); | |
f676886a | 4017 | if (f) |
12ba150f | 4018 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 4019 | else |
dc6f92b8 | 4020 | { |
69388238 RS |
4021 | struct scroll_bar *bar |
4022 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
4023 | |
4024 | if (bar) | |
ab648270 | 4025 | x_scroll_bar_note_movement (bar, &event); |
b8009dd1 RS |
4026 | |
4027 | /* If we move outside the frame, | |
4028 | then we're certainly no longer on any text in the frame. */ | |
4029 | clear_mouse_face (); | |
dc6f92b8 | 4030 | } |
dc6f92b8 | 4031 | } |
0a178815 RS |
4032 | #if 0 /* This should be unnecessary, since the toolkit has no use |
4033 | for motion events that happen outside of the menu event loop, | |
4034 | and it seems to cause the bug that mouse events stop coming | |
4035 | after a while. */ | |
3afe33e7 RS |
4036 | #ifdef USE_X_TOOLKIT |
4037 | goto OTHER; | |
4038 | #endif /* USE_X_TOOLKIT */ | |
0a178815 | 4039 | #endif |
dc6f92b8 JB |
4040 | break; |
4041 | ||
4042 | case ConfigureNotify: | |
13ce2d73 | 4043 | f = x_any_window_to_frame (event.xconfigure.window); |
3afe33e7 | 4044 | #ifdef USE_X_TOOLKIT |
13ce2d73 | 4045 | if (f |
3a35ab44 | 4046 | #if 0 |
13ce2d73 | 4047 | && ! event.xconfigure.send_event |
3a35ab44 | 4048 | #endif |
13ce2d73 FP |
4049 | && (event.xconfigure.window == XtWindow (f->display.x->widget))) |
4050 | { | |
4051 | Window win, child; | |
4052 | int win_x, win_y; | |
4053 | ||
4054 | /* Find the position of the outside upper-left corner of | |
4055 | the window, in the root coordinate system. Don't | |
4056 | refer to the parent window here; we may be processing | |
4057 | this event after the window manager has changed our | |
4058 | parent, but before we have reached the ReparentNotify. */ | |
4059 | XTranslateCoordinates (x_current_display, | |
4060 | ||
4061 | /* From-window, to-window. */ | |
4062 | XtWindow (f->display.x->widget), | |
4063 | ROOT_WINDOW, | |
4064 | ||
4065 | /* From-position, to-position. */ | |
4066 | -event.xconfigure.border_width, | |
4067 | -event.xconfigure.border_width, | |
4068 | &win_x, &win_y, | |
4069 | ||
4070 | /* Child of win. */ | |
4071 | &child); | |
4072 | event.xconfigure.x = win_x; | |
4073 | event.xconfigure.y = win_y; | |
4074 | ||
4075 | f->display.x->pixel_width = event.xconfigure.width; | |
4076 | f->display.x->pixel_height = event.xconfigure.height; | |
4077 | f->display.x->left_pos = event.xconfigure.x; | |
4078 | f->display.x->top_pos = event.xconfigure.y; | |
3a35ab44 RS |
4079 | |
4080 | /* What we have now is the position of Emacs's own window. | |
4081 | Convert that to the position of the window manager window. */ | |
4082 | { | |
4083 | int x, y; | |
4084 | x_real_positions (f, &x, &y); | |
4085 | f->display.x->left_pos = x; | |
4086 | f->display.x->top_pos = y; | |
4087 | } | |
13ce2d73 FP |
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; | |
3a35ab44 RS |
4139 | |
4140 | /* What we have now is the position of Emacs's own window. | |
4141 | Convert that to the position of the window manager window. */ | |
4142 | { | |
4143 | int x, y; | |
4144 | x_real_positions (f, &x, &y); | |
4145 | f->display.x->left_pos = x; | |
4146 | f->display.x->top_pos = y; | |
4147 | } | |
dbc4e1c1 | 4148 | } |
3afe33e7 | 4149 | #endif /* not USE_X_TOOLKIT */ |
dbc4e1c1 | 4150 | break; |
dc6f92b8 JB |
4151 | |
4152 | case ButtonPress: | |
4153 | case ButtonRelease: | |
4154 | { | |
4155 | /* If we decide we want to generate an event to be seen | |
4156 | by the rest of Emacs, we put it here. */ | |
4157 | struct input_event emacs_event; | |
4158 | emacs_event.kind = no_event; | |
4159 | ||
9b07615b RS |
4160 | bzero (&compose_status, sizeof (compose_status)); |
4161 | ||
f676886a JB |
4162 | f = x_window_to_frame (event.xbutton.window); |
4163 | if (f) | |
f451eb13 JB |
4164 | { |
4165 | if (!x_focus_frame || (f == x_focus_frame)) | |
69388238 | 4166 | construct_mouse_click (&emacs_event, &event, f); |
f451eb13 | 4167 | } |
dc6f92b8 | 4168 | else |
f451eb13 | 4169 | { |
ab648270 JB |
4170 | struct scroll_bar *bar = |
4171 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
4172 | |
4173 | if (bar) | |
ab648270 | 4174 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
3afe33e7 RS |
4175 | #ifdef USE_X_TOOLKIT |
4176 | else | |
4177 | { | |
4178 | f = x_any_window_to_frame (event.xbutton.window); | |
4179 | if (f && event.type == ButtonPress) | |
4180 | construct_menu_click (&emacs_event, | |
4181 | &event, f); | |
4182 | } | |
4183 | #endif /* USE_X_TOOLKIT */ | |
f451eb13 | 4184 | } |
dc6f92b8 JB |
4185 | |
4186 | if (numchars >= 1 && emacs_event.kind != no_event) | |
4187 | { | |
4188 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
4189 | bufp++; | |
4190 | count++; | |
4191 | numchars--; | |
4192 | } | |
3afe33e7 RS |
4193 | |
4194 | #ifdef USE_X_TOOLKIT | |
4195 | goto OTHER; | |
4196 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4197 | } |
4198 | break; | |
4199 | ||
c118dd06 | 4200 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4201 | case ButtonPressed: |
4202 | case ButtonReleased: | |
f676886a JB |
4203 | f = x_window_to_frame (event.window); |
4204 | if (f) | |
dc6f92b8 | 4205 | { |
f676886a | 4206 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 4207 | { |
f676886a | 4208 | x_make_frame_visible (f); |
dc6f92b8 JB |
4209 | |
4210 | if (warp_mouse_on_deiconify) | |
c118dd06 | 4211 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
4212 | break; |
4213 | } | |
c118dd06 | 4214 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 4215 | { |
f676886a JB |
4216 | if (f->auto_raise) |
4217 | x_raise_frame (f); | |
dc6f92b8 JB |
4218 | } |
4219 | } | |
4220 | enqueue_event (&event, &x_mouse_queue); | |
4221 | if (numchars >= 2) | |
4222 | { | |
4223 | bufp->kind = ascii_keystroke; | |
69388238 | 4224 | bufp->code = 'X' & 037; /* C-x */ |
12ba150f | 4225 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 4226 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
4227 | bufp++; |
4228 | ||
4229 | bufp->kind = ascii_keystroke; | |
69388238 | 4230 | bufp->code = 0; /* C-@ */ |
12ba150f | 4231 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 4232 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
4233 | bufp++; |
4234 | ||
4235 | count += 2; | |
4236 | numchars -= 2; | |
4237 | } | |
4238 | break; | |
c118dd06 | 4239 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4240 | |
4241 | #ifdef HAVE_X11 | |
4242 | ||
4243 | case CirculateNotify: | |
4244 | break; | |
4245 | case CirculateRequest: | |
4246 | break; | |
4247 | ||
c118dd06 | 4248 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4249 | |
4250 | case MappingNotify: | |
11edeb03 JB |
4251 | /* Someone has changed the keyboard mapping - update the |
4252 | local cache. */ | |
4253 | switch (event.xmapping.request) | |
4254 | { | |
4255 | case MappingModifier: | |
4256 | x_find_modifier_meanings (); | |
4257 | /* This is meant to fall through. */ | |
4258 | case MappingKeyboard: | |
4259 | XRefreshKeyboardMapping (&event.xmapping); | |
4260 | } | |
3afe33e7 RS |
4261 | #ifdef USE_X_TOOLKIT |
4262 | goto OTHER; | |
4263 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4264 | break; |
4265 | ||
4266 | default: | |
3afe33e7 RS |
4267 | #ifdef USE_X_TOOLKIT |
4268 | OTHER: | |
4269 | BLOCK_INPUT; | |
4270 | XtDispatchEvent (&event); | |
4271 | UNBLOCK_INPUT; | |
4272 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4273 | break; |
4274 | } | |
4275 | } | |
4276 | ||
502add23 RS |
4277 | #ifdef X_IO_BUG |
4278 | if (! event_found) | |
4279 | /* On some systems, an X bug causes Emacs to get no more events | |
7071e5dd | 4280 | when the window is destroyed. Detect that. (1994.) */ |
502add23 RS |
4281 | XNoOp (x_current_display); |
4282 | #endif /* X_IO_BUG */ | |
4283 | ||
7071e5dd RS |
4284 | #if 0 /* This fails for serial-line connections to the X server, |
4285 | because the characters arrive one by one, and a partial | |
4286 | command makes select return but gives nothing to read. | |
4287 | We'll have to hope that the bug that this tried to fix | |
4288 | in 1988 has been fixed in Xlib or the X server. */ | |
dc6f92b8 JB |
4289 | #ifdef HAVE_SELECT |
4290 | if (expected && ! event_found) | |
4291 | { | |
4292 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
4293 | there is an EOF condition; in other words, that X has died. | |
4294 | Act as if there had been a hangup. */ | |
dc6f92b8 | 4295 | int fd = ConnectionNumber (x_current_display); |
307feb1f | 4296 | SELECT_TYPE mask, junk1, junk2; |
66f55a9d | 4297 | EMACS_TIME timeout; |
dc6f92b8 | 4298 | |
61c3ce62 RS |
4299 | FD_ZERO (&mask); |
4300 | FD_SET (fd, &mask); | |
66f55a9d | 4301 | EMACS_SET_SECS_USECS (timeout, 0, 0); |
307feb1f RS |
4302 | FD_ZERO (&junk1); |
4303 | FD_ZERO (&junk2); | |
4304 | if (0 != select (fd + 1, &mask, &junk1, &junk2, &timeout) | |
dc6f92b8 JB |
4305 | && !XStuffPending ()) |
4306 | kill (getpid (), SIGHUP); | |
4307 | } | |
61c3ce62 | 4308 | #endif /* HAVE_SELECT */ |
7071e5dd | 4309 | #endif /* 0 */ |
dc6f92b8 | 4310 | |
f451eb13 | 4311 | #ifndef HAVE_X11 |
f676886a | 4312 | if (updating_frame == 0) |
dc6f92b8 | 4313 | x_do_pending_expose (); |
f451eb13 | 4314 | #endif |
dc6f92b8 | 4315 | |
0134a210 RS |
4316 | /* If the focus was just given to an autoraising frame, |
4317 | raise it now. */ | |
4318 | #ifdef HAVE_X11 | |
4319 | if (pending_autoraise_frame) | |
4320 | { | |
4321 | x_raise_frame (pending_autoraise_frame); | |
4322 | pending_autoraise_frame = 0; | |
4323 | } | |
4324 | #endif | |
4325 | ||
dc6f92b8 JB |
4326 | UNBLOCK_INPUT; |
4327 | return count; | |
4328 | } | |
4329 | ||
4330 | #ifndef HAVE_X11 | |
4331 | /* Read and process only Expose events | |
4332 | until we get an ExposeCopy event; then return. | |
4333 | This is used in insert/delete line. | |
4334 | We assume input is already blocked. */ | |
4335 | ||
4336 | static void | |
4337 | x_read_exposes () | |
4338 | { | |
f676886a | 4339 | struct frame *f; |
dc6f92b8 JB |
4340 | XKeyPressedEvent event; |
4341 | ||
4342 | while (1) | |
4343 | { | |
4344 | /* while there are more events*/ | |
4345 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
4346 | switch (event.type) | |
4347 | { | |
4348 | case ExposeWindow: | |
4349 | if (event.subwindow != 0) | |
4350 | break; /* duplicate event */ | |
f676886a JB |
4351 | f = x_window_to_frame (event.window); |
4352 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 4353 | { |
f676886a | 4354 | refreshicon (f); |
dc6f92b8 JB |
4355 | break; |
4356 | } | |
c118dd06 | 4357 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
4358 | { |
4359 | expose_all_windows = 1; | |
f676886a | 4360 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
4361 | break; |
4362 | } | |
4363 | break; | |
4364 | ||
4365 | case ExposeRegion: | |
4366 | if (event.subwindow != 0) | |
4367 | break; /* duplicate event */ | |
f676886a JB |
4368 | f = x_window_to_frame (event.window); |
4369 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 4370 | { |
f676886a | 4371 | refreshicon (f); |
dc6f92b8 JB |
4372 | break; |
4373 | } | |
4374 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 4375 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
4376 | break; |
4377 | /* Put the event on the queue of rectangles to redraw. */ | |
4378 | if (enqueue_event (&event, &x_expose_queue)) | |
4379 | /* If it is full, we can't record the rectangle, | |
4380 | so redraw this entire window. */ | |
4381 | { | |
4382 | /* Say must check all windows' needs_exposure flags. */ | |
4383 | expose_all_windows = 1; | |
f676886a | 4384 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
4385 | } |
4386 | break; | |
4387 | ||
4388 | case ExposeCopy: | |
4389 | return; | |
4390 | } | |
4391 | } | |
4392 | } | |
4393 | #endif /* HAVE_X11 */ | |
4394 | ||
dc6f92b8 | 4395 | \f |
f451eb13 JB |
4396 | /* Drawing the cursor. */ |
4397 | ||
4398 | ||
dc6f92b8 JB |
4399 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
4400 | ||
4401 | static void | |
f676886a JB |
4402 | x_draw_box (f) |
4403 | struct frame *f; | |
dc6f92b8 | 4404 | { |
12ba150f JB |
4405 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
4406 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a | 4407 | int width = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 4408 | int height = f->display.x->line_height; |
dc6f92b8 JB |
4409 | |
4410 | #ifdef HAVE_X11 | |
c118dd06 | 4411 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4412 | f->display.x->cursor_gc, |
dc6f92b8 | 4413 | left, top, width - 1, height - 1); |
c118dd06 JB |
4414 | #else /* ! defined (HAVE_X11) */ |
4415 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 4416 | left, top, width, 1, |
f676886a | 4417 | f->display.x->cursor_pixel); |
dc6f92b8 | 4418 | |
c118dd06 | 4419 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4420 | left, top, 1, height, |
f676886a | 4421 | f->display.x->cursor_pixel); |
dc6f92b8 | 4422 | |
c118dd06 | 4423 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4424 | left+width-1, top, 1, height, |
f676886a | 4425 | f->display.x->cursor_pixel); |
dc6f92b8 | 4426 | |
c118dd06 | 4427 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4428 | left, top+height-1, width, 1, |
f676886a | 4429 | f->display.x->cursor_pixel); |
c118dd06 | 4430 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4431 | } |
4432 | ||
f676886a | 4433 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4434 | and mark the cursor as not shown. |
4435 | This is used when the text where the cursor is | |
4436 | is about to be rewritten. */ | |
4437 | ||
4438 | static void | |
f676886a JB |
4439 | clear_cursor (f) |
4440 | struct frame *f; | |
dc6f92b8 JB |
4441 | { |
4442 | int mask; | |
4443 | ||
f451eb13 | 4444 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4445 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4446 | return; |
4447 | ||
4448 | #ifdef HAVE_X11 | |
f676886a | 4449 | x_display_cursor (f, 0); |
c118dd06 JB |
4450 | #else /* ! defined (HAVE_X11) */ |
4451 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
4452 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4453 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
a27f9f86 | 4454 | FONT_WIDTH (f->display.x->font), f->display.x->line_height, |
f676886a | 4455 | f->display.x->background_pixel); |
c118dd06 | 4456 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 4457 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4458 | } |
4459 | ||
f676886a | 4460 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4461 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4462 | glyph drawn. */ | |
dc6f92b8 JB |
4463 | |
4464 | static void | |
f676886a JB |
4465 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4466 | struct frame *f; | |
dc6f92b8 | 4467 | int row, column; |
90e65f07 | 4468 | GLYPH glyph; |
dc6f92b8 JB |
4469 | int highlight; |
4470 | { | |
f676886a | 4471 | dumpglyphs (f, |
12ba150f JB |
4472 | CHAR_TO_PIXEL_COL (f, column), |
4473 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4474 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4475 | } |
4476 | ||
dc6f92b8 | 4477 | static void |
dbc4e1c1 | 4478 | x_display_bar_cursor (f, on) |
f676886a | 4479 | struct frame *f; |
dc6f92b8 JB |
4480 | int on; |
4481 | { | |
f676886a | 4482 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4483 | |
49d838ea JB |
4484 | /* This is pointless on invisible frames, and dangerous on garbaged |
4485 | frames; in the latter case, the frame may be in the midst of | |
4486 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4487 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
4488 | return; |
4489 | ||
4490 | if (! on && f->phys_cursor_x < 0) | |
4491 | return; | |
4492 | ||
f676886a | 4493 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 4494 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 4495 | if (f != updating_frame) |
1113d9db | 4496 | { |
f676886a JB |
4497 | curs_x = FRAME_CURSOR_X (f); |
4498 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
4499 | } |
4500 | ||
dbc4e1c1 JB |
4501 | /* If there is anything wrong with the current cursor state, remove it. */ |
4502 | if (f->phys_cursor_x >= 0 | |
4503 | && (!on | |
4504 | || f->phys_cursor_x != curs_x | |
4505 | || f->phys_cursor_y != curs_y | |
4506 | || f->display.x->current_cursor != bar_cursor)) | |
4507 | { | |
4508 | /* Erase the cursor by redrawing the character underneath it. */ | |
4509 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4510 | f->phys_cursor_glyph, | |
4511 | current_glyphs->highlight[f->phys_cursor_y]); | |
4512 | f->phys_cursor_x = -1; | |
4513 | } | |
4514 | ||
4515 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4516 | if (on | |
4517 | && (f->phys_cursor_x < 0 | |
4518 | || (f->display.x->current_cursor != bar_cursor))) | |
4519 | { | |
4520 | f->phys_cursor_glyph | |
4521 | = ((current_glyphs->enable[curs_y] | |
4522 | && curs_x < current_glyphs->used[curs_y]) | |
4523 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4524 | : SPACEGLYPH); | |
4525 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
4526 | f->display.x->cursor_gc, | |
4527 | CHAR_TO_PIXEL_COL (f, curs_x), | |
4528 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
a27f9f86 | 4529 | 1, f->display.x->line_height); |
dbc4e1c1 JB |
4530 | |
4531 | f->phys_cursor_x = curs_x; | |
4532 | f->phys_cursor_y = curs_y; | |
4533 | ||
4534 | f->display.x->current_cursor = bar_cursor; | |
4535 | } | |
4536 | ||
4537 | if (updating_frame != f) | |
4538 | XFlushQueue (); | |
4539 | } | |
4540 | ||
4541 | ||
4542 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4543 | If ON is nonzero, where to put the cursor is specified | |
4544 | by F->cursor_x and F->cursor_y. */ | |
4545 | ||
4546 | static void | |
4547 | x_display_box_cursor (f, on) | |
4548 | struct frame *f; | |
4549 | int on; | |
4550 | { | |
4551 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4552 | ||
49d838ea JB |
4553 | /* This is pointless on invisible frames, and dangerous on garbaged |
4554 | frames; in the latter case, the frame may be in the midst of | |
4555 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4556 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
4557 | return; |
4558 | ||
4559 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4560 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4561 | return; |
4562 | ||
dbc4e1c1 JB |
4563 | /* If we're not updating, then we want to use the current frame's |
4564 | cursor position, not our local idea of where the cursor ought to be. */ | |
4565 | if (f != updating_frame) | |
4566 | { | |
4567 | curs_x = FRAME_CURSOR_X (f); | |
4568 | curs_y = FRAME_CURSOR_Y (f); | |
4569 | } | |
4570 | ||
dc6f92b8 JB |
4571 | /* If cursor is currently being shown and we don't want it to be |
4572 | or it is in the wrong place, | |
4573 | or we want a hollow box and it's not so, (pout!) | |
4574 | erase it. */ | |
f676886a | 4575 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4576 | && (!on |
f676886a JB |
4577 | || f->phys_cursor_x != curs_x |
4578 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 4579 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 4580 | && (f != x_highlight_frame)))) |
dc6f92b8 | 4581 | { |
79cf7456 RS |
4582 | int mouse_face_here = 0; |
4583 | ||
4584 | /* If the cursor is in the mouse face area, redisplay that when | |
4585 | we clear the cursor. */ | |
4586 | if (f == mouse_face_mouse_frame | |
4587 | && | |
4588 | (f->phys_cursor_y > mouse_face_beg_row | |
4589 | || (f->phys_cursor_y == mouse_face_beg_row | |
4590 | && f->phys_cursor_x >= mouse_face_beg_col)) | |
4591 | && | |
4592 | (f->phys_cursor_y < mouse_face_end_row | |
4593 | || (f->phys_cursor_y == mouse_face_end_row | |
4594 | && f->phys_cursor_x < mouse_face_end_col))) | |
4595 | mouse_face_here = 1; | |
4596 | ||
0cdd0c9f RS |
4597 | /* If the font is not as tall as a whole line, |
4598 | we must explicitly clear the line's whole height. */ | |
4599 | if (FONT_HEIGHT (f->display.x->font) != f->display.x->line_height) | |
4600 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
4601 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), | |
4602 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
4603 | FONT_WIDTH (f->display.x->font), | |
4604 | f->display.x->line_height, False); | |
dc6f92b8 | 4605 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4606 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4607 | f->phys_cursor_glyph, | |
79cf7456 RS |
4608 | (mouse_face_here |
4609 | ? 3 | |
4610 | : current_glyphs->highlight[f->phys_cursor_y])); | |
f676886a | 4611 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4612 | } |
4613 | ||
4614 | /* If we want to show a cursor, | |
4615 | or we want a box cursor and it's not so, | |
4616 | write it in the right place. */ | |
4617 | if (on | |
f676886a | 4618 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 4619 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 4620 | && f == x_highlight_frame))) |
dc6f92b8 | 4621 | { |
f676886a | 4622 | f->phys_cursor_glyph |
1113d9db JB |
4623 | = ((current_glyphs->enable[curs_y] |
4624 | && curs_x < current_glyphs->used[curs_y]) | |
4625 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 4626 | : SPACEGLYPH); |
f676886a | 4627 | if (f != x_highlight_frame) |
dc6f92b8 | 4628 | { |
f676886a | 4629 | x_draw_box (f); |
dbc4e1c1 | 4630 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4631 | } |
4632 | else | |
4633 | { | |
f676886a JB |
4634 | x_draw_single_glyph (f, curs_y, curs_x, |
4635 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 4636 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4637 | } |
4638 | ||
f676886a JB |
4639 | f->phys_cursor_x = curs_x; |
4640 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
4641 | } |
4642 | ||
f676886a | 4643 | if (updating_frame != f) |
dc6f92b8 JB |
4644 | XFlushQueue (); |
4645 | } | |
4646 | ||
f676886a JB |
4647 | x_display_cursor (f, on) |
4648 | struct frame *f; | |
dc6f92b8 JB |
4649 | int on; |
4650 | { | |
f94397b5 KH |
4651 | BLOCK_INPUT; |
4652 | ||
dbc4e1c1 | 4653 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 4654 | x_display_box_cursor (f, on); |
dbc4e1c1 | 4655 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 4656 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
4657 | else |
4658 | /* Those are the only two we have implemented! */ | |
4659 | abort (); | |
f94397b5 KH |
4660 | |
4661 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4662 | } |
4663 | \f | |
4664 | /* Icons. */ | |
4665 | ||
f676886a | 4666 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4667 | when we get an expose event for it. */ |
4668 | ||
f676886a JB |
4669 | refreshicon (f) |
4670 | struct frame *f; | |
dc6f92b8 JB |
4671 | { |
4672 | #ifdef HAVE_X11 | |
4673 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 4674 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4675 | int mask; |
4676 | ||
f676886a JB |
4677 | if (f->display.x->icon_bitmap_flag) |
4678 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
4679 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
4680 | icon_bitmap, GXcopy, AllPlanes); | |
4681 | else | |
4682 | { | |
f676886a | 4683 | extern struct frame *selected_frame; |
dc6f92b8 JB |
4684 | struct Lisp_String *str; |
4685 | unsigned char *string; | |
4686 | ||
4687 | string | |
f676886a | 4688 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 4689 | |
f676886a | 4690 | if (f->display.x->icon_label != string) |
dc6f92b8 | 4691 | { |
f676886a JB |
4692 | f->display.x->icon_label = string; |
4693 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
4694 | XQueryWidth (string, icon_font_info->id) + 10, |
4695 | icon_font_info->height + 10); | |
4696 | } | |
4697 | ||
f676886a | 4698 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
4699 | str->size, icon_font_info->id, |
4700 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
4701 | } | |
4702 | XFlushQueue (); | |
c118dd06 | 4703 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4704 | } |
4705 | ||
dbc4e1c1 | 4706 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4707 | |
4708 | int | |
f676886a JB |
4709 | x_bitmap_icon (f) |
4710 | struct frame *f; | |
dc6f92b8 JB |
4711 | { |
4712 | int mask; | |
4713 | Window icon_window; | |
4714 | ||
c118dd06 | 4715 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4716 | return 1; |
4717 | ||
4718 | #ifdef HAVE_X11 | |
8583db58 RS |
4719 | if (! icon_bitmap) |
4720 | icon_bitmap = | |
4721 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), | |
4722 | gnu_bits, gnu_width, gnu_height); | |
f676886a JB |
4723 | x_wm_set_icon_pixmap (f, icon_bitmap); |
4724 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 4725 | #else /* ! defined (HAVE_X11) */ |
f676886a | 4726 | if (f->display.x->icon_desc) |
dc6f92b8 | 4727 | { |
c118dd06 | 4728 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 4729 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
4730 | } |
4731 | ||
f676886a | 4732 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
4733 | 0, 0, sink_width, sink_height, |
4734 | 2, WhitePixmap, (Pixmap) NULL); | |
4735 | ||
4736 | if (icon_window == 0) | |
4737 | return 1; | |
4738 | ||
c118dd06 | 4739 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4740 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
4741 | ||
f676886a JB |
4742 | f->display.x->icon_desc = icon_window; |
4743 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
4744 | |
4745 | if (icon_bitmap == 0) | |
4746 | icon_bitmap | |
4747 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 4748 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4749 | |
4750 | return 0; | |
4751 | } | |
4752 | ||
4753 | ||
f676886a | 4754 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
4755 | |
4756 | int | |
f676886a JB |
4757 | x_text_icon (f, icon_name) |
4758 | struct frame *f; | |
dc6f92b8 JB |
4759 | char *icon_name; |
4760 | { | |
4761 | #ifndef HAVE_X11 | |
4762 | int mask; | |
4763 | int width; | |
4764 | Window icon_window; | |
4765 | char *X_DefaultValue; | |
4766 | Bitmap b1; | |
4767 | ||
dc6f92b8 JB |
4768 | #ifndef WhitePixel |
4769 | #define WhitePixel 1 | |
c118dd06 | 4770 | #endif /* WhitePixel */ |
dc6f92b8 JB |
4771 | |
4772 | #ifndef BlackPixel | |
4773 | #define BlackPixel 0 | |
c118dd06 JB |
4774 | #endif /* BlackPixel */ |
4775 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 4776 | |
c118dd06 | 4777 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4778 | return 1; |
4779 | ||
dc6f92b8 JB |
4780 | #ifdef HAVE_X11 |
4781 | if (icon_name) | |
f676886a | 4782 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 4783 | else |
f676886a JB |
4784 | if (! f->display.x->icon_label) |
4785 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 4786 | |
dfeccd2d | 4787 | #if 0 |
c118dd06 | 4788 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4789 | (char *) f->display.x->icon_label); |
dfeccd2d | 4790 | #endif |
dc6f92b8 | 4791 | |
f676886a | 4792 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 4793 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 4794 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
4795 | if (icon_font_info == 0) |
4796 | icon_font_info | |
4797 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 4798 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
4799 | "BodyFont")); |
4800 | ||
f676886a | 4801 | if (f->display.x->icon_desc) |
dc6f92b8 | 4802 | { |
c118dd06 | 4803 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 4804 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
4805 | } |
4806 | ||
4807 | if (icon_name) | |
f676886a | 4808 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 4809 | else |
f676886a JB |
4810 | if (! f->display.x->icon_label) |
4811 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 4812 | |
f676886a JB |
4813 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
4814 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
4815 | f->display.x->left_pos, | |
4816 | f->display.x->top_pos, | |
dc6f92b8 JB |
4817 | width + 10, icon_font_info->height + 10, |
4818 | 2, BlackPixmap, WhitePixmap); | |
4819 | ||
4820 | if (icon_window == 0) | |
4821 | return 1; | |
4822 | ||
c118dd06 | 4823 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4824 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
4825 | ||
f676886a JB |
4826 | f->display.x->icon_desc = icon_window; |
4827 | f->display.x->icon_bitmap_flag = 0; | |
4828 | f->display.x->icon_label = 0; | |
c118dd06 | 4829 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4830 | |
4831 | return 0; | |
4832 | } | |
4833 | \f | |
4746118a JB |
4834 | /* Handling X errors. */ |
4835 | ||
12ba150f JB |
4836 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
4837 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 4838 | |
4746118a | 4839 | static SIGTYPE |
c118dd06 | 4840 | x_connection_closed () |
4746118a JB |
4841 | { |
4842 | if (_Xdebug) | |
4843 | abort (); | |
12ba150f | 4844 | |
1cd2d6d4 | 4845 | shut_down_emacs (0, 1, Qnil); |
12ba150f JB |
4846 | |
4847 | exit (70); | |
4746118a JB |
4848 | } |
4849 | ||
8922af5f JB |
4850 | /* An X error handler which prints an error message and then kills |
4851 | Emacs. This is what's normally installed as Xlib's handler for | |
4852 | protocol errors. */ | |
c118dd06 JB |
4853 | static int |
4854 | x_error_quitter (display, error) | |
4855 | Display *display; | |
4856 | XErrorEvent *error; | |
4857 | { | |
4858 | char buf[256]; | |
dc6f92b8 | 4859 | |
c118dd06 JB |
4860 | /* Note that there is no real way portable across R3/R4 to get the |
4861 | original error handler. */ | |
dc6f92b8 | 4862 | |
c118dd06 JB |
4863 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
4864 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
4865 | buf, error->request_code); | |
dc6f92b8 | 4866 | |
e09f9351 | 4867 | #if 0 |
12ba150f JB |
4868 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4869 | get an X error, so we can figure out why it happened. */ | |
4870 | abort (); | |
e09f9351 | 4871 | #endif |
12ba150f | 4872 | |
c118dd06 | 4873 | x_connection_closed (); |
dc6f92b8 JB |
4874 | } |
4875 | ||
8922af5f JB |
4876 | /* A handler for X IO errors which prints an error message and then |
4877 | kills Emacs. This is what is always installed as Xlib's handler | |
4878 | for I/O errors. */ | |
4879 | static int | |
4880 | x_io_error_quitter (display) | |
4881 | Display *display; | |
4882 | { | |
4883 | fprintf (stderr, "Connection to X server %s lost.\n", | |
4884 | XDisplayName (DisplayString (display))); | |
4885 | ||
e09f9351 | 4886 | #if 0 |
8922af5f JB |
4887 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4888 | get an X error, so we can figure out why it happened. */ | |
4889 | abort (); | |
e09f9351 | 4890 | #endif |
8922af5f JB |
4891 | |
4892 | x_connection_closed (); | |
4893 | } | |
4894 | ||
c118dd06 | 4895 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4896 | static char *x_caught_error_message; |
4897 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4898 | |
4899 | /* An X error handler which stores the error message in | |
4900 | x_caught_error_message. This is what's installed when | |
4901 | x_catch_errors is in effect. */ | |
4902 | static int | |
4903 | x_error_catcher (display, error) | |
4904 | Display *display; | |
4905 | XErrorEvent *error; | |
4906 | { | |
4907 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4908 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4909 | } |
4910 | ||
4911 | ||
4912 | /* Begin trapping X errors. | |
dc6f92b8 | 4913 | |
c118dd06 JB |
4914 | After calling this function, X protocol errors no longer cause |
4915 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4916 | |
c118dd06 JB |
4917 | Calling x_check_errors signals an Emacs error if an X error has |
4918 | occurred since the last call to x_catch_errors or x_check_errors. | |
4919 | ||
4920 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4921 | ||
bc20ebbf | 4922 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4923 | |
4924 | void | |
4925 | x_catch_errors () | |
dc6f92b8 | 4926 | { |
c118dd06 JB |
4927 | /* Make sure any errors from previous requests have been dealt with. */ |
4928 | XSync (x_current_display, False); | |
dc6f92b8 | 4929 | |
c118dd06 | 4930 | /* Set up the error buffer. */ |
60f9aad3 | 4931 | x_caught_error_message |
cef13e55 RS |
4932 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4933 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4934 | |
c118dd06 JB |
4935 | /* Install our little error handler. */ |
4936 | XHandleError (x_error_catcher); | |
4937 | } | |
16bd92ea | 4938 | |
c118dd06 JB |
4939 | /* If any X protocol errors have arrived since the last call to |
4940 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4941 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4942 | |
c118dd06 JB |
4943 | void |
4944 | x_check_errors (format) | |
4945 | char *format; | |
4946 | { | |
4947 | /* Make sure to catch any errors incurred so far. */ | |
4948 | XSync (x_current_display, False); | |
16bd92ea | 4949 | |
cef13e55 | 4950 | if (x_caught_error_message[0]) |
c118dd06 | 4951 | { |
cef13e55 | 4952 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4953 | |
cef13e55 | 4954 | sprintf (buf, format, x_caught_error_message); |
c118dd06 JB |
4955 | x_uncatch_errors (); |
4956 | error (buf); | |
4957 | } | |
4958 | } | |
4959 | ||
b849c413 RS |
4960 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4961 | ||
4962 | int | |
4963 | x_had_errors_p () | |
4964 | { | |
4965 | /* Make sure to catch any errors incurred so far. */ | |
4966 | XSync (x_current_display, False); | |
4967 | ||
4968 | return x_caught_error_message[0] != 0; | |
4969 | } | |
4970 | ||
812361a1 RS |
4971 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4972 | ||
c118dd06 JB |
4973 | void |
4974 | x_uncatch_errors () | |
4975 | { | |
9ac0d9e0 | 4976 | xfree (x_caught_error_message); |
cef13e55 | 4977 | x_caught_error_message = 0; |
c118dd06 | 4978 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
4979 | } |
4980 | ||
dc6f92b8 JB |
4981 | #if 0 |
4982 | static unsigned int x_wire_count; | |
4983 | x_trace_wire () | |
4984 | { | |
4985 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4986 | } | |
c118dd06 | 4987 | #endif /* ! 0 */ |
dc6f92b8 JB |
4988 | |
4989 | \f | |
f451eb13 JB |
4990 | /* Changing the font of the frame. */ |
4991 | ||
f676886a | 4992 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 4993 | to the font named NEWNAME. This is safe to use |
f676886a | 4994 | even before F has an actual x-window. */ |
dc6f92b8 JB |
4995 | |
4996 | #ifdef HAVE_X11 | |
4997 | ||
2224a5fc RS |
4998 | struct font_info |
4999 | { | |
5000 | XFontStruct *font; | |
5001 | char *name; | |
5002 | }; | |
5003 | ||
dc6f92b8 | 5004 | /* A table of all the fonts we have already loaded. */ |
2224a5fc | 5005 | static struct font_info *x_font_table; |
dc6f92b8 JB |
5006 | |
5007 | /* The current capacity of x_font_table. */ | |
5008 | static int x_font_table_size; | |
5009 | ||
5010 | /* The number of fonts actually stored in x_font_table. | |
5011 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
5012 | 0 <= n_fonts <= x_font_table_size. */ | |
5013 | static int n_fonts; | |
5014 | ||
b5cf7a0e | 5015 | Lisp_Object |
f676886a JB |
5016 | x_new_font (f, fontname) |
5017 | struct frame *f; | |
dc6f92b8 JB |
5018 | register char *fontname; |
5019 | { | |
dc6f92b8 JB |
5020 | int already_loaded; |
5021 | int n_matching_fonts; | |
5022 | XFontStruct *font_info; | |
5023 | char **font_names; | |
5024 | ||
5025 | /* Get a list of all the fonts that match this name. Once we | |
5026 | have a list of matching fonts, we compare them against the fonts | |
5027 | we already have by comparing font ids. */ | |
2224a5fc RS |
5028 | font_names = (char **) XListFonts (x_current_display, fontname, |
5029 | 1024, &n_matching_fonts); | |
0c94f6ee JB |
5030 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
5031 | find any matches; font_names == 0 is the only clue. */ | |
5032 | if (! font_names) | |
5033 | n_matching_fonts = 0; | |
5034 | ||
5835f860 RS |
5035 | /* Don't just give up if n_matching_fonts is 0. |
5036 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
5037 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 5038 | |
90e65f07 | 5039 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
5040 | already_loaded = -1; |
5041 | if (n_matching_fonts != 0) | |
5042 | { | |
5043 | int i, j; | |
dc6f92b8 | 5044 | |
5835f860 RS |
5045 | for (i = 0; i < n_fonts; i++) |
5046 | for (j = 0; j < n_matching_fonts; j++) | |
2224a5fc | 5047 | if (!strcmp (x_font_table[i].name, font_names[j])) |
5835f860 RS |
5048 | { |
5049 | already_loaded = i; | |
5050 | fontname = font_names[j]; | |
5051 | goto found_font; | |
5052 | } | |
5053 | } | |
dc6f92b8 JB |
5054 | found_font: |
5055 | ||
5056 | /* If we have, just return it from the table. */ | |
2224a5fc RS |
5057 | if (already_loaded >= 0) |
5058 | f->display.x->font = x_font_table[already_loaded].font; | |
90e65f07 | 5059 | |
dc6f92b8 JB |
5060 | /* Otherwise, load the font and add it to the table. */ |
5061 | else | |
5062 | { | |
9696f58b | 5063 | int i; |
dc6f92b8 JB |
5064 | XFontStruct *font; |
5065 | ||
9696f58b | 5066 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
5067 | #if 0 |
5068 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
5069 | for (i = 0; i < n_matching_fonts; i++) |
5070 | if (! font_info[i].per_char) | |
5071 | break; | |
f126bd67 JB |
5072 | #else |
5073 | i = 0; | |
5074 | #endif | |
9696f58b | 5075 | |
5835f860 RS |
5076 | /* See comment above. */ |
5077 | if (n_matching_fonts != 0) | |
9696f58b JB |
5078 | fontname = font_names[i]; |
5079 | ||
dc6f92b8 JB |
5080 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
5081 | if (! font) | |
5835f860 | 5082 | { |
2224a5fc | 5083 | /* Free the information from XListFonts. */ |
5835f860 | 5084 | if (n_matching_fonts) |
2224a5fc | 5085 | XFreeFontNames (font_names); |
5835f860 RS |
5086 | return Qnil; |
5087 | } | |
dc6f92b8 JB |
5088 | |
5089 | /* Do we need to create the table? */ | |
5090 | if (x_font_table_size == 0) | |
5091 | { | |
5092 | x_font_table_size = 16; | |
5093 | x_font_table | |
2224a5fc RS |
5094 | = (struct font_info *) xmalloc (x_font_table_size |
5095 | * sizeof (x_font_table[0])); | |
dc6f92b8 JB |
5096 | } |
5097 | /* Do we need to grow the table? */ | |
5098 | else if (n_fonts >= x_font_table_size) | |
5099 | { | |
90e65f07 | 5100 | x_font_table_size *= 2; |
dc6f92b8 | 5101 | x_font_table |
2224a5fc RS |
5102 | = (struct font_info *) xrealloc (x_font_table, |
5103 | (x_font_table_size | |
5104 | * sizeof (x_font_table[0]))); | |
dc6f92b8 JB |
5105 | } |
5106 | ||
dff815ef | 5107 | x_font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); |
2224a5fc RS |
5108 | bcopy (fontname, x_font_table[n_fonts].name, strlen (fontname) + 1); |
5109 | f->display.x->font = x_font_table[n_fonts++].font = font; | |
dc6f92b8 | 5110 | } |
2224a5fc | 5111 | |
f676886a | 5112 | /* Now make the frame display the given font. */ |
c118dd06 | 5113 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 5114 | { |
f676886a JB |
5115 | XSetFont (x_current_display, f->display.x->normal_gc, |
5116 | f->display.x->font->fid); | |
5117 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
5118 | f->display.x->font->fid); | |
5119 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
5120 | f->display.x->font->fid); | |
5121 | ||
a27f9f86 | 5122 | frame_update_line_height (f); |
0134a210 | 5123 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 5124 | } |
a27f9f86 RS |
5125 | else |
5126 | /* If we are setting a new frame's font for the first time, | |
5127 | there are no faces yet, so this font's height is the line height. */ | |
0cdd0c9f | 5128 | f->display.x->line_height = FONT_HEIGHT (f->display.x->font); |
dc6f92b8 | 5129 | |
b5cf7a0e | 5130 | { |
abdda982 | 5131 | Lisp_Object lispy_name; |
b5cf7a0e | 5132 | |
abdda982 | 5133 | lispy_name = build_string (fontname); |
b5cf7a0e | 5134 | |
2224a5fc | 5135 | /* Free the information from XListFonts. The data |
b5cf7a0e | 5136 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 5137 | XFreeFontNames (font_names); |
b5cf7a0e JB |
5138 | |
5139 | return lispy_name; | |
5140 | } | |
dc6f92b8 | 5141 | } |
c118dd06 | 5142 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
5143 | x_new_font (f, newname) |
5144 | struct frame *f; | |
dc6f92b8 JB |
5145 | register char *newname; |
5146 | { | |
5147 | FONT_TYPE *temp; | |
5148 | int mask; | |
5149 | ||
5150 | temp = XGetFont (newname); | |
5151 | if (temp == (FONT_TYPE *) 0) | |
5152 | return 1; | |
5153 | ||
f676886a JB |
5154 | if (f->display.x->font) |
5155 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 5156 | |
f676886a | 5157 | f->display.x->font = temp; |
dc6f92b8 | 5158 | |
c118dd06 | 5159 | if (FRAME_X_WINDOW (f) != 0) |
bc20ebbf | 5160 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 JB |
5161 | |
5162 | return 0; | |
5163 | } | |
c118dd06 | 5164 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5165 | \f |
43bca5d5 | 5166 | x_calc_absolute_position (f) |
f676886a | 5167 | struct frame *f; |
dc6f92b8 JB |
5168 | { |
5169 | #ifdef HAVE_X11 | |
6dba1858 RS |
5170 | Window win, child; |
5171 | int win_x = 0, win_y = 0; | |
43bca5d5 | 5172 | int flags = f->display.x->size_hint_flags; |
6dba1858 RS |
5173 | |
5174 | /* Find the position of the outside upper-left corner of | |
5175 | the inner window, with respect to the outer window. */ | |
5176 | if (f->display.x->parent_desc != ROOT_WINDOW) | |
5177 | { | |
5178 | BLOCK_INPUT; | |
5179 | XTranslateCoordinates (x_current_display, | |
5180 | ||
5181 | /* From-window, to-window. */ | |
5182 | f->display.x->window_desc, | |
5183 | f->display.x->parent_desc, | |
5184 | ||
5185 | /* From-position, to-position. */ | |
5186 | 0, 0, &win_x, &win_y, | |
5187 | ||
5188 | /* Child of win. */ | |
5189 | &child); | |
5190 | UNBLOCK_INPUT; | |
5191 | } | |
5192 | ||
5193 | /* Treat negative positions as relative to the leftmost bottommost | |
5194 | position that fits on the screen. */ | |
20f55f9a | 5195 | if (flags & XNegative) |
31ea78fd | 5196 | f->display.x->left_pos = (x_screen_width |
69388238 | 5197 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
5198 | - PIXEL_WIDTH (f) |
5199 | + f->display.x->left_pos); | |
dc6f92b8 | 5200 | |
20f55f9a | 5201 | if (flags & YNegative) |
31ea78fd | 5202 | f->display.x->top_pos = (x_screen_height |
69388238 | 5203 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
5204 | - PIXEL_HEIGHT (f) |
5205 | + f->display.x->top_pos); | |
3a35ab44 RS |
5206 | /* The left_pos and top_pos |
5207 | are now relative to the top and left screen edges, | |
5208 | so the flags should correspond. */ | |
5209 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
c118dd06 | 5210 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5211 | WINDOWINFO_TYPE parentinfo; |
5212 | ||
c118dd06 | 5213 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 5214 | |
f676886a JB |
5215 | if (f->display.x->left_pos < 0) |
5216 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
5217 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 5218 | |
f676886a JB |
5219 | if (f->display.x->top_pos < 0) |
5220 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
5221 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 5222 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5223 | } |
5224 | ||
3a35ab44 RS |
5225 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
5226 | to really change the position, and 0 when calling from | |
5227 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
5228 | position values). */ | |
5229 | ||
dc05a16b | 5230 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 5231 | struct frame *f; |
dc6f92b8 | 5232 | register int xoff, yoff; |
dc05a16b | 5233 | int change_gravity; |
dc6f92b8 | 5234 | { |
3a35ab44 RS |
5235 | if (change_gravity) |
5236 | { | |
5237 | f->display.x->top_pos = yoff; | |
5238 | f->display.x->left_pos = xoff; | |
5239 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
5240 | if (xoff < 0) | |
5241 | f->display.x->size_hint_flags |= XNegative; | |
5242 | if (yoff < 0) | |
5243 | f->display.x->size_hint_flags |= YNegative; | |
5244 | f->display.x->win_gravity = NorthWestGravity; | |
5245 | } | |
43bca5d5 | 5246 | x_calc_absolute_position (f); |
dc6f92b8 JB |
5247 | |
5248 | BLOCK_INPUT; | |
3a35ab44 RS |
5249 | x_wm_set_size_hint (f, 0, 0); |
5250 | ||
3afe33e7 RS |
5251 | #ifdef USE_X_TOOLKIT |
5252 | XMoveWindow (XDISPLAY XtWindow (f->display.x->widget), | |
5253 | f->display.x->left_pos, f->display.x->top_pos); | |
5254 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5255 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 5256 | f->display.x->left_pos, f->display.x->top_pos); |
3afe33e7 | 5257 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5258 | UNBLOCK_INPUT; |
5259 | } | |
5260 | ||
bc20ebbf FP |
5261 | /* Call this to change the size of frame F's x-window. |
5262 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
5263 | for this size change and subsequent size changes. | |
5264 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 5265 | |
bc20ebbf | 5266 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 5267 | struct frame *f; |
bc20ebbf | 5268 | int change_gravity; |
b1c884c3 | 5269 | int cols, rows; |
dc6f92b8 JB |
5270 | { |
5271 | int pixelwidth, pixelheight; | |
5272 | int mask; | |
dc6f92b8 | 5273 | |
80fd1fe2 FP |
5274 | #ifdef USE_X_TOOLKIT |
5275 | BLOCK_INPUT; | |
3a20653d RS |
5276 | { |
5277 | /* The x and y position of the widget is clobbered by the | |
5278 | call to XtSetValues within EmacsFrameSetCharSize. | |
5279 | This is a real kludge, but I don't understand Xt so I can't | |
5280 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
5281 | int xpos = f->display.x->widget->core.x; | |
5282 | int ypos = f->display.x->widget->core.y; | |
5283 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
5284 | f->display.x->widget->core.x = xpos; | |
5285 | f->display.x->widget->core.y = ypos; | |
5286 | } | |
80fd1fe2 FP |
5287 | UNBLOCK_INPUT; |
5288 | ||
5289 | #else /* not USE_X_TOOLKIT */ | |
5290 | ||
dc6f92b8 JB |
5291 | BLOCK_INPUT; |
5292 | ||
b1c884c3 | 5293 | check_frame_size (f, &rows, &cols); |
6dba1858 RS |
5294 | f->display.x->vertical_scroll_bar_extra |
5295 | = (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
5296 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
5297 | : 0); | |
f451eb13 JB |
5298 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
5299 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
5300 | |
5301 | #ifdef HAVE_X11 | |
af31d76f RS |
5302 | f->display.x->win_gravity = NorthWestGravity; |
5303 | x_wm_set_size_hint (f, 0, 0); | |
c118dd06 | 5304 | #endif /* ! defined (HAVE_X11) */ |
0cdd0c9f | 5305 | XSync (x_current_display, False); |
c118dd06 | 5306 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); |
b1c884c3 JB |
5307 | |
5308 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
5309 | but the window manager will get around to dealing with the size | |
5310 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
5311 | ConfigureNotify event gets here. |
5312 | ||
5313 | We could just not bother storing any of this information here, | |
5314 | and let the ConfigureNotify event set everything up, but that | |
5315 | might be kind of confusing to the lisp code, since size changes | |
5316 | wouldn't be reported in the frame parameters until some random | |
5317 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 5318 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
5319 | PIXEL_WIDTH (f) = pixelwidth; |
5320 | PIXEL_HEIGHT (f) = pixelheight; | |
5321 | ||
dbc4e1c1 JB |
5322 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
5323 | receive in the ConfigureNotify event; if we get what we asked | |
5324 | for, then the event won't cause the screen to become garbaged, so | |
5325 | we have to make sure to do it here. */ | |
5326 | SET_FRAME_GARBAGED (f); | |
5327 | ||
dc6f92b8 JB |
5328 | XFlushQueue (); |
5329 | UNBLOCK_INPUT; | |
80fd1fe2 | 5330 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5331 | } |
5332 | ||
5333 | #ifndef HAVE_X11 | |
f676886a JB |
5334 | x_set_resize_hint (f) |
5335 | struct frame *f; | |
dc6f92b8 | 5336 | { |
12ba150f JB |
5337 | XSetResizeHint (FRAME_X_WINDOW (f), |
5338 | 2 * f->display.x->internal_border_width, | |
f676886a | 5339 | 2 * f->display.x->internal_border_width, |
12ba150f | 5340 | FONT_WIDTH (f->display.x->font), |
a27f9f86 | 5341 | f->display.x->line_height); |
dc6f92b8 | 5342 | } |
c118dd06 | 5343 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5344 | \f |
f451eb13 | 5345 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 5346 | |
9b378208 | 5347 | void |
f676886a JB |
5348 | x_set_mouse_position (f, x, y) |
5349 | struct frame *f; | |
dc6f92b8 JB |
5350 | int x, y; |
5351 | { | |
5352 | int pix_x, pix_y; | |
5353 | ||
12ba150f | 5354 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
a27f9f86 | 5355 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->display.x->line_height / 2; |
f451eb13 JB |
5356 | |
5357 | if (pix_x < 0) pix_x = 0; | |
5358 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
5359 | ||
5360 | if (pix_y < 0) pix_y = 0; | |
5361 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
5362 | |
5363 | BLOCK_INPUT; | |
dc6f92b8 | 5364 | |
c118dd06 | 5365 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
5366 | UNBLOCK_INPUT; |
5367 | } | |
5368 | ||
9b378208 RS |
5369 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
5370 | ||
5371 | void | |
5372 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
5373 | struct frame *f; | |
5374 | int pix_x, pix_y; | |
5375 | { | |
5376 | BLOCK_INPUT; | |
5377 | ||
5378 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); | |
5379 | UNBLOCK_INPUT; | |
5380 | } | |
5381 | ||
dc6f92b8 | 5382 | #ifdef HAVE_X11 |
f676886a JB |
5383 | x_focus_on_frame (f) |
5384 | struct frame *f; | |
dc6f92b8 | 5385 | { |
1fb20991 | 5386 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 5387 | x_raise_frame (f); |
1fb20991 | 5388 | #endif |
6d4238f3 JB |
5389 | #if 0 |
5390 | /* I don't think that the ICCCM allows programs to do things like this | |
5391 | without the interaction of the window manager. Whatever you end up | |
f676886a | 5392 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 5393 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 5394 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5395 | #endif /* ! 0 */ |
dc6f92b8 JB |
5396 | } |
5397 | ||
f676886a JB |
5398 | x_unfocus_frame (f) |
5399 | struct frame *f; | |
dc6f92b8 | 5400 | { |
6d4238f3 | 5401 | #if 0 |
f676886a JB |
5402 | /* Look at the remarks in x_focus_on_frame. */ |
5403 | if (x_focus_frame == f) | |
dc6f92b8 JB |
5404 | XSetInputFocus (x_current_display, PointerRoot, |
5405 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 5406 | #endif /* ! 0 */ |
dc6f92b8 JB |
5407 | } |
5408 | ||
c118dd06 | 5409 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5410 | |
f676886a | 5411 | /* Raise frame F. */ |
dc6f92b8 | 5412 | |
f676886a JB |
5413 | x_raise_frame (f) |
5414 | struct frame *f; | |
dc6f92b8 | 5415 | { |
3a88c238 | 5416 | if (f->async_visible) |
dc6f92b8 JB |
5417 | { |
5418 | BLOCK_INPUT; | |
3afe33e7 RS |
5419 | #ifdef USE_X_TOOLKIT |
5420 | XRaiseWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
5421 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5422 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5423 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5424 | XFlushQueue (); |
5425 | UNBLOCK_INPUT; | |
5426 | } | |
5427 | } | |
5428 | ||
f676886a | 5429 | /* Lower frame F. */ |
dc6f92b8 | 5430 | |
f676886a JB |
5431 | x_lower_frame (f) |
5432 | struct frame *f; | |
dc6f92b8 | 5433 | { |
3a88c238 | 5434 | if (f->async_visible) |
dc6f92b8 JB |
5435 | { |
5436 | BLOCK_INPUT; | |
3afe33e7 RS |
5437 | #ifdef USE_X_TOOLKIT |
5438 | XLowerWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
5439 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5440 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5441 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5442 | XFlushQueue (); |
5443 | UNBLOCK_INPUT; | |
5444 | } | |
5445 | } | |
5446 | ||
dbc4e1c1 JB |
5447 | static void |
5448 | XTframe_raise_lower (f, raise) | |
5449 | FRAME_PTR f; | |
5450 | int raise; | |
5451 | { | |
5452 | if (raise) | |
5453 | x_raise_frame (f); | |
5454 | else | |
5455 | x_lower_frame (f); | |
5456 | } | |
5457 | ||
5458 | ||
dc6f92b8 JB |
5459 | /* Change from withdrawn state to mapped state. */ |
5460 | ||
f676886a JB |
5461 | x_make_frame_visible (f) |
5462 | struct frame *f; | |
dc6f92b8 JB |
5463 | { |
5464 | int mask; | |
5465 | ||
dc6f92b8 | 5466 | BLOCK_INPUT; |
dc6f92b8 | 5467 | |
f676886a | 5468 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
5469 | { |
5470 | #ifdef HAVE_X11 | |
af31d76f | 5471 | #ifndef USE_X_TOOLKIT |
996e89cd | 5472 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); |
af31d76f | 5473 | #endif |
dc05a16b | 5474 | |
90e65f07 | 5475 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 5476 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 5477 | #ifdef USE_X_TOOLKIT |
d7a38a2e RS |
5478 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
5479 | XtMapWidget (f->display.x->widget); | |
3afe33e7 | 5480 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5481 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5482 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
5483 | #if 0 /* This seems to bring back scroll bars in the wrong places |
5484 | if the window configuration has changed. They seem | |
5485 | to come back ok without this. */ | |
ab648270 | 5486 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 | 5487 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
0134a210 | 5488 | #endif |
c118dd06 JB |
5489 | #else /* ! defined (HAVE_X11) */ |
5490 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
5491 | if (f->display.x->icon_desc != 0) |
5492 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 5493 | |
90e65f07 | 5494 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
5495 | f->async_visible = 1; |
5496 | f->async_iconified = 0; | |
dc6f92b8 | 5497 | |
f676886a | 5498 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 5499 | XTcursor_to (0, 0); |
c118dd06 | 5500 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 5501 | } |
dc6f92b8 | 5502 | |
dc6f92b8 | 5503 | XFlushQueue (); |
90e65f07 | 5504 | |
dc6f92b8 JB |
5505 | UNBLOCK_INPUT; |
5506 | } | |
5507 | ||
5508 | /* Change from mapped state to withdrawn state. */ | |
5509 | ||
f676886a JB |
5510 | x_make_frame_invisible (f) |
5511 | struct frame *f; | |
dc6f92b8 JB |
5512 | { |
5513 | int mask; | |
546e6d5b RS |
5514 | Window window; |
5515 | ||
5516 | #ifdef USE_X_TOOLKIT | |
5517 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
5518 | window = XtWindow (f->display.x->widget); | |
5519 | #else /* not USE_X_TOOLKIT */ | |
5520 | window = FRAME_X_WINDOW (f); | |
5521 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5522 | |
9319ae23 RS |
5523 | /* Don't keep the highlight on an invisible frame. */ |
5524 | if (x_highlight_frame == f) | |
5525 | x_highlight_frame = 0; | |
5526 | ||
5627c40e | 5527 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5528 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5529 | return; |
5627c40e | 5530 | #endif |
dc6f92b8 JB |
5531 | |
5532 | BLOCK_INPUT; | |
c118dd06 | 5533 | |
af31d76f RS |
5534 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
5535 | that the current position of the window is user-specified, rather than | |
5536 | program-specified, so that when the window is mapped again, it will be | |
5537 | placed at the same location, without forcing the user to position it | |
5538 | by hand again (they have already done that once for this window.) */ | |
5539 | x_wm_set_size_hint (f, 0, 1); | |
5540 | ||
c118dd06 JB |
5541 | #ifdef HAVE_X11R4 |
5542 | ||
546e6d5b | 5543 | if (! XWithdrawWindow (x_current_display, window, |
c118dd06 JB |
5544 | DefaultScreen (x_current_display))) |
5545 | { | |
5546 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5547 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 5548 | } |
c118dd06 | 5549 | #else /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 5550 | #ifdef HAVE_X11 |
16bd92ea | 5551 | |
c118dd06 | 5552 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5553 | if (! EQ (Vx_no_window_manager, Qt)) |
5554 | { | |
16bd92ea | 5555 | XEvent unmap; |
dc6f92b8 | 5556 | |
16bd92ea | 5557 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 5558 | unmap.xunmap.window = window; |
16bd92ea JB |
5559 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
5560 | unmap.xunmap.from_configure = False; | |
5561 | if (! XSendEvent (x_current_display, | |
5562 | DefaultRootWindow (x_current_display), | |
5563 | False, | |
5564 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5565 | &unmap)) | |
5566 | { | |
5567 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5568 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 5569 | } |
dc6f92b8 JB |
5570 | } |
5571 | ||
16bd92ea | 5572 | /* Unmap the window ourselves. Cheeky! */ |
546e6d5b | 5573 | XUnmapWindow (x_current_display, window); |
c118dd06 | 5574 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5575 | |
c118dd06 | 5576 | XUnmapWindow (FRAME_X_WINDOW (f)); |
f676886a | 5577 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
5578 | XUnmapWindow (f->display.x->icon_desc); |
5579 | ||
5580 | #endif /* ! defined (HAVE_X11) */ | |
5581 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 5582 | |
5627c40e RS |
5583 | /* We can't distinguish this from iconification |
5584 | just by the event that we get from the server. | |
5585 | So we can't win using the usual strategy of letting | |
5586 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5587 | and synchronize with the server to make sure we agree. */ | |
5588 | f->visible = 0; | |
5589 | FRAME_ICONIFIED_P (f) = 0; | |
5590 | f->async_visible = 0; | |
5591 | f->async_iconified = 0; | |
5592 | ||
5593 | x_sync (); | |
5594 | ||
dc6f92b8 JB |
5595 | UNBLOCK_INPUT; |
5596 | } | |
5597 | ||
dc6f92b8 JB |
5598 | /* Change window state from mapped to iconified. */ |
5599 | ||
f676886a JB |
5600 | x_iconify_frame (f) |
5601 | struct frame *f; | |
dc6f92b8 JB |
5602 | { |
5603 | int mask; | |
3afe33e7 | 5604 | int result; |
dc6f92b8 | 5605 | |
9319ae23 RS |
5606 | /* Don't keep the highlight on an invisible frame. */ |
5607 | if (x_highlight_frame == f) | |
5608 | x_highlight_frame = 0; | |
5609 | ||
3a88c238 | 5610 | if (f->async_iconified) |
dc6f92b8 JB |
5611 | return; |
5612 | ||
3afe33e7 RS |
5613 | #ifdef USE_X_TOOLKIT |
5614 | BLOCK_INPUT; | |
546e6d5b RS |
5615 | |
5616 | if (! FRAME_VISIBLE_P (f)) | |
5617 | { | |
5618 | if (! EQ (Vx_no_window_manager, Qt)) | |
5619 | x_wm_set_window_state (f, IconicState); | |
5620 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
5621 | XtMapWidget (f->display.x->widget); | |
5622 | UNBLOCK_INPUT; | |
5623 | return; | |
5624 | } | |
5625 | ||
3afe33e7 | 5626 | result = XIconifyWindow (x_current_display, |
bc20ebbf | 5627 | XtWindow (f->display.x->widget), |
3afe33e7 RS |
5628 | DefaultScreen (x_current_display)); |
5629 | UNBLOCK_INPUT; | |
5630 | ||
5631 | if (!result) | |
546e6d5b | 5632 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
5633 | |
5634 | f->async_iconified = 1; | |
8c002a25 KH |
5635 | |
5636 | BLOCK_INPUT; | |
5637 | XFlushQueue (); | |
5638 | UNBLOCK_INPUT; | |
3afe33e7 RS |
5639 | #else /* not USE_X_TOOLKIT */ |
5640 | ||
dc6f92b8 JB |
5641 | BLOCK_INPUT; |
5642 | ||
5643 | #ifdef HAVE_X11 | |
16bd92ea JB |
5644 | /* Since we don't know which revision of X we're running, we'll use both |
5645 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5646 | ||
5647 | /* X11R4: send a ClientMessage to the window manager using the | |
5648 | WM_CHANGE_STATE type. */ | |
5649 | { | |
5650 | XEvent message; | |
5651 | ||
c118dd06 | 5652 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
5653 | message.xclient.type = ClientMessage; |
5654 | message.xclient.message_type = Xatom_wm_change_state; | |
5655 | message.xclient.format = 32; | |
5656 | message.xclient.data.l[0] = IconicState; | |
5657 | ||
5658 | if (! XSendEvent (x_current_display, | |
5659 | DefaultRootWindow (x_current_display), | |
5660 | False, | |
5661 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5662 | &message)) | |
dc6f92b8 JB |
5663 | { |
5664 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5665 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 5666 | } |
16bd92ea | 5667 | } |
dc6f92b8 | 5668 | |
16bd92ea JB |
5669 | /* X11R3: set the initial_state field of the window manager hints to |
5670 | IconicState. */ | |
5671 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5672 | |
a9c00105 RS |
5673 | if (!FRAME_VISIBLE_P (f)) |
5674 | { | |
5675 | /* If the frame was withdrawn, before, we must map it. */ | |
5676 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
0134a210 | 5677 | #if 0 /* We don't have subwindows in the icon. */ |
a9c00105 RS |
5678 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
5679 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); | |
0134a210 | 5680 | #endif |
a9c00105 RS |
5681 | } |
5682 | ||
3a88c238 | 5683 | f->async_iconified = 1; |
c118dd06 JB |
5684 | #else /* ! defined (HAVE_X11) */ |
5685 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 5686 | |
3a88c238 | 5687 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 5688 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 5689 | { |
f676886a JB |
5690 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
5691 | refreshicon (f); | |
dc6f92b8 | 5692 | } |
c118dd06 | 5693 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5694 | |
5695 | XFlushQueue (); | |
5696 | UNBLOCK_INPUT; | |
8c002a25 | 5697 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5698 | } |
5699 | ||
c0ff3fab | 5700 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5701 | |
c0ff3fab | 5702 | x_destroy_window (f) |
f676886a | 5703 | struct frame *f; |
dc6f92b8 | 5704 | { |
dc6f92b8 | 5705 | BLOCK_INPUT; |
c0ff3fab JB |
5706 | |
5707 | if (f->display.x->icon_desc != 0) | |
5708 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
5709 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
3afe33e7 RS |
5710 | #ifdef USE_X_TOOLKIT |
5711 | XtDestroyWidget (f->display.x->widget); | |
9d7e2e3e | 5712 | free_frame_menubar (f); |
3afe33e7 RS |
5713 | #endif /* USE_X_TOOLKIT */ |
5714 | ||
07e34cb0 | 5715 | free_frame_faces (f); |
dc6f92b8 | 5716 | XFlushQueue (); |
dc6f92b8 | 5717 | |
9ac0d9e0 | 5718 | xfree (f->display.x); |
c0ff3fab | 5719 | f->display.x = 0; |
f676886a JB |
5720 | if (f == x_focus_frame) |
5721 | x_focus_frame = 0; | |
5722 | if (f == x_highlight_frame) | |
5723 | x_highlight_frame = 0; | |
c0ff3fab | 5724 | |
0134a210 | 5725 | if (f == mouse_face_mouse_frame) |
dc05a16b | 5726 | { |
3b506386 KH |
5727 | mouse_face_beg_row = mouse_face_beg_col = -1; |
5728 | mouse_face_end_row = mouse_face_end_col = -1; | |
dc05a16b RS |
5729 | mouse_face_window = Qnil; |
5730 | } | |
0134a210 | 5731 | |
c0ff3fab | 5732 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5733 | } |
5734 | \f | |
f451eb13 JB |
5735 | /* Manage event queues for X10. */ |
5736 | ||
dc6f92b8 JB |
5737 | #ifndef HAVE_X11 |
5738 | ||
5739 | /* Manage event queues. | |
5740 | ||
5741 | This code is only used by the X10 support. | |
5742 | ||
5743 | We cannot leave events in the X queue and get them when we are ready | |
5744 | because X does not provide a subroutine to get only a certain kind | |
5745 | of event but not block if there are no queued events of that kind. | |
5746 | ||
5747 | Therefore, we must examine events as they come in and copy events | |
5748 | of certain kinds into our private queues. | |
5749 | ||
5750 | All ExposeRegion events are put in x_expose_queue. | |
69388238 | 5751 | All ButtonPress and ButtonRelease events are put in x_mouse_queue. */ |
dc6f92b8 JB |
5752 | |
5753 | ||
5754 | /* Write the event *P_XREP into the event queue *QUEUE. | |
5755 | If the queue is full, do nothing, but return nonzero. */ | |
5756 | ||
5757 | int | |
5758 | enqueue_event (p_xrep, queue) | |
5759 | register XEvent *p_xrep; | |
5760 | register struct event_queue *queue; | |
5761 | { | |
5762 | int newindex = queue->windex + 1; | |
5763 | if (newindex == EVENT_BUFFER_SIZE) | |
5764 | newindex = 0; | |
5765 | if (newindex == queue->rindex) | |
5766 | return -1; | |
5767 | queue->xrep[queue->windex] = *p_xrep; | |
5768 | queue->windex = newindex; | |
5769 | return 0; | |
5770 | } | |
5771 | ||
5772 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
5773 | If *QUEUE is empty, do nothing and return 0. */ | |
5774 | ||
5775 | int | |
5776 | dequeue_event (p_xrep, queue) | |
5777 | register XEvent *p_xrep; | |
5778 | register struct event_queue *queue; | |
5779 | { | |
5780 | if (queue->windex == queue->rindex) | |
5781 | return 0; | |
5782 | *p_xrep = queue->xrep[queue->rindex++]; | |
5783 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
5784 | queue->rindex = 0; | |
5785 | return 1; | |
5786 | } | |
5787 | ||
5788 | /* Return the number of events buffered in *QUEUE. */ | |
5789 | ||
5790 | int | |
5791 | queue_event_count (queue) | |
5792 | register struct event_queue *queue; | |
5793 | { | |
5794 | int tem = queue->windex - queue->rindex; | |
5795 | if (tem >= 0) | |
5796 | return tem; | |
5797 | return EVENT_BUFFER_SIZE + tem; | |
5798 | } | |
5799 | ||
5800 | /* Return nonzero if mouse input is pending. */ | |
5801 | ||
5802 | int | |
5803 | mouse_event_pending_p () | |
5804 | { | |
5805 | return queue_event_count (&x_mouse_queue); | |
5806 | } | |
c118dd06 | 5807 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5808 | \f |
f451eb13 JB |
5809 | /* Setting window manager hints. */ |
5810 | ||
dc6f92b8 JB |
5811 | #ifdef HAVE_X11 |
5812 | ||
af31d76f RS |
5813 | /* Set the normal size hints for the window manager, for frame F. |
5814 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5815 | that the window now has. | |
5816 | If USER_POSITION is nonzero, we set the USPosition | |
5817 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5818 | |
af31d76f | 5819 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5820 | struct frame *f; |
af31d76f RS |
5821 | long flags; |
5822 | int user_position; | |
dc6f92b8 JB |
5823 | { |
5824 | XSizeHints size_hints; | |
3afe33e7 RS |
5825 | |
5826 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5827 | Arg al[2]; |
5828 | int ac = 0; | |
5829 | Dimension widget_width, widget_height; | |
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 | |
b72a58fd RS |
5835 | /* Setting PMaxSize caused various problems. */ |
5836 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5837 | |
f676886a JB |
5838 | flexlines = f->height; |
5839 | ||
5840 | size_hints.x = f->display.x->left_pos; | |
5841 | size_hints.y = f->display.x->top_pos; | |
7553a6b7 | 5842 | |
7e4f2521 FP |
5843 | #ifdef USE_X_TOOLKIT |
5844 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5845 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
5846 | XtGetValues (f->display.x->column_widget, al, ac); | |
5847 | size_hints.height = widget_height; | |
5848 | size_hints.width = widget_width; | |
5849 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5850 | size_hints.height = PIXEL_HEIGHT (f); |
5851 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5852 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5853 | |
f676886a | 5854 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 5855 | size_hints.height_inc = f->display.x->line_height; |
7553a6b7 RS |
5856 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
5857 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5858 | |
b1c884c3 | 5859 | { |
b0342f17 | 5860 | int base_width, base_height; |
0134a210 | 5861 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5862 | |
f451eb13 JB |
5863 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5864 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5865 | |
0134a210 | 5866 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5867 | |
0134a210 RS |
5868 | /* The window manager uses the base width hints to calculate the |
5869 | current number of rows and columns in the frame while | |
5870 | resizing; min_width and min_height aren't useful for this | |
5871 | purpose, since they might not give the dimensions for a | |
5872 | zero-row, zero-column frame. | |
5873 | ||
5874 | We use the base_width and base_height members if we have | |
5875 | them; otherwise, we set the min_width and min_height members | |
5876 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5877 | |
5878 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5879 | size_hints.flags |= PBaseSize; |
5880 | size_hints.base_width = base_width; | |
5881 | size_hints.base_height = base_height; | |
5882 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5883 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5884 | #else |
0134a210 RS |
5885 | size_hints.min_width = base_width; |
5886 | size_hints.min_height = base_height; | |
b0342f17 | 5887 | #endif |
b1c884c3 | 5888 | } |
dc6f92b8 | 5889 | |
af31d76f RS |
5890 | if (flags) |
5891 | size_hints.flags |= flags; | |
dc6f92b8 JB |
5892 | else |
5893 | { | |
5894 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
af31d76f RS |
5895 | long supplied_return; |
5896 | int value; | |
5897 | ||
5898 | #ifdef HAVE_X11R4 | |
5899 | value = XGetWMNormalHints (x_current_display, window, &hints, | |
5900 | &supplied_return); | |
5901 | #else | |
5902 | value = XGetNormalHints (x_current_display, window, &hints); | |
5903 | #endif | |
dc6f92b8 | 5904 | |
af31d76f | 5905 | if (value == 0) |
82ee0df4 | 5906 | hints.flags = 0; |
dc6f92b8 JB |
5907 | if (hints.flags & PSize) |
5908 | size_hints.flags |= PSize; | |
5909 | if (hints.flags & PPosition) | |
5910 | size_hints.flags |= PPosition; | |
5911 | if (hints.flags & USPosition) | |
5912 | size_hints.flags |= USPosition; | |
5913 | if (hints.flags & USSize) | |
5914 | size_hints.flags |= USSize; | |
5915 | } | |
0134a210 | 5916 | |
af31d76f | 5917 | #ifdef PWinGravity |
dc05a16b | 5918 | size_hints.win_gravity = f->display.x->win_gravity; |
af31d76f | 5919 | size_hints.flags |= PWinGravity; |
dc05a16b | 5920 | |
af31d76f | 5921 | if (user_position) |
6dba1858 | 5922 | { |
af31d76f RS |
5923 | size_hints.flags &= ~ PPosition; |
5924 | size_hints.flags |= USPosition; | |
6dba1858 | 5925 | } |
2554751d | 5926 | #endif /* PWinGravity */ |
6dba1858 | 5927 | |
b0342f17 JB |
5928 | #ifdef HAVE_X11R4 |
5929 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
5930 | #else | |
dc6f92b8 | 5931 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 5932 | #endif |
dc6f92b8 JB |
5933 | } |
5934 | ||
5935 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5936 | x_wm_set_window_state (f, state) |
5937 | struct frame *f; | |
dc6f92b8 JB |
5938 | int state; |
5939 | { | |
3afe33e7 | 5940 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
5941 | Arg al[1]; |
5942 | ||
5943 | XtSetArg (al[0], XtNinitialState, state); | |
5944 | XtSetValues (f->display.x->widget, al, 1); | |
3afe33e7 | 5945 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5946 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5947 | |
16bd92ea JB |
5948 | f->display.x->wm_hints.flags |= StateHint; |
5949 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 5950 | |
16bd92ea | 5951 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
546e6d5b | 5952 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5953 | } |
5954 | ||
f676886a JB |
5955 | x_wm_set_icon_pixmap (f, icon_pixmap) |
5956 | struct frame *f; | |
dc6f92b8 JB |
5957 | Pixmap icon_pixmap; |
5958 | { | |
c118dd06 | 5959 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5960 | |
dbc4e1c1 JB |
5961 | if (icon_pixmap) |
5962 | { | |
5963 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
5964 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
5965 | } | |
5966 | else | |
5967 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 5968 | |
16bd92ea | 5969 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5970 | } |
5971 | ||
f676886a JB |
5972 | x_wm_set_icon_position (f, icon_x, icon_y) |
5973 | struct frame *f; | |
dc6f92b8 JB |
5974 | int icon_x, icon_y; |
5975 | { | |
c118dd06 | 5976 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5977 | |
16bd92ea JB |
5978 | f->display.x->wm_hints.flags |= IconPositionHint; |
5979 | f->display.x->wm_hints.icon_x = icon_x; | |
5980 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5981 | |
16bd92ea | 5982 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5983 | } |
5984 | ||
5985 | \f | |
f451eb13 JB |
5986 | /* Initialization. */ |
5987 | ||
3afe33e7 RS |
5988 | #ifdef USE_X_TOOLKIT |
5989 | static XrmOptionDescRec emacs_options[] = { | |
5990 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5991 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5992 | ||
5993 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5994 | XrmoptionSepArg, NULL}, | |
5995 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5996 | ||
5997 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5998 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5999 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
6000 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
6001 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
6002 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
6003 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
6004 | }; | |
6005 | #endif /* USE_X_TOOLKIT */ | |
6006 | ||
dc6f92b8 JB |
6007 | void |
6008 | x_term_init (display_name) | |
6009 | char *display_name; | |
6010 | { | |
f676886a | 6011 | Lisp_Object frame; |
dc6f92b8 | 6012 | char *defaultvalue; |
3afe33e7 RS |
6013 | int argc = 0; |
6014 | char** argv = 0; | |
041b69ac | 6015 | #ifndef F_SETOWN_BUG |
dc6f92b8 JB |
6016 | #ifdef F_SETOWN |
6017 | extern int old_fcntl_owner; | |
c118dd06 | 6018 | #endif /* ! defined (F_SETOWN) */ |
041b69ac | 6019 | #endif /* F_SETOWN_BUG */ |
6d4238f3 | 6020 | |
f676886a | 6021 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 | 6022 | |
3afe33e7 | 6023 | #ifdef USE_X_TOOLKIT |
c2df547c | 6024 | argv = (char **) XtMalloc (5 * sizeof (char *)); |
3afe33e7 RS |
6025 | argv [0] = ""; |
6026 | argv [1] = "-display"; | |
6027 | argv [2] = display_name; | |
c2df547c RS |
6028 | argv [3] = "-name"; |
6029 | argv [4] = "emacs"; | |
6030 | argc = 5; | |
3afe33e7 | 6031 | Xt_app_shell = XtAppInitialize (&Xt_app_con, "Emacs", |
bc20ebbf | 6032 | emacs_options, XtNumber (emacs_options), |
3afe33e7 RS |
6033 | &argc, argv, |
6034 | NULL, NULL, 0); | |
983f76b8 | 6035 | XtFree ((char *)argv); |
3afe33e7 RS |
6036 | x_current_display = XtDisplay (Xt_app_shell); |
6037 | ||
6038 | #else /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 6039 | x_current_display = XOpenDisplay (display_name); |
3afe33e7 | 6040 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 6041 | if (x_current_display == 0) |
041b69ac JB |
6042 | fatal ("X server %s not responding.\n\ |
6043 | Check the DISPLAY environment variable or use \"-d\"\n", | |
dc6f92b8 JB |
6044 | display_name); |
6045 | ||
6046 | #ifdef HAVE_X11 | |
6047 | { | |
dc6f92b8 JB |
6048 | #if 0 |
6049 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 6050 | #endif /* ! 0 */ |
8c86eccd | 6051 | hostname = get_system_name (); |
59653951 | 6052 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
6053 | + strlen (hostname) |
6054 | + 2); | |
59653951 | 6055 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 6056 | } |
28430d3c JB |
6057 | |
6058 | /* Figure out which modifier bits mean what. */ | |
6059 | x_find_modifier_meanings (); | |
f451eb13 | 6060 | |
ab648270 | 6061 | /* Get the scroll bar cursor. */ |
d56a553a RS |
6062 | x_vertical_scroll_bar_cursor |
6063 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 6064 | |
d56a553a | 6065 | #if 0 |
28430d3c JB |
6066 | /* Watch for PropertyNotify events on the root window; we use them |
6067 | to figure out when to invalidate our cache of the cut buffers. */ | |
6068 | x_watch_cut_buffer_cache (); | |
d56a553a | 6069 | #endif |
28430d3c | 6070 | |
a4fc7360 | 6071 | if (ConnectionNumber (x_current_display) != 0) |
61c3ce62 RS |
6072 | change_keyboard_wait_descriptor (ConnectionNumber (x_current_display)); |
6073 | change_input_fd (ConnectionNumber (x_current_display)); | |
6d4238f3 | 6074 | |
c118dd06 | 6075 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 6076 | |
041b69ac | 6077 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 6078 | #ifdef F_SETOWN |
61c3ce62 | 6079 | old_fcntl_owner = fcntl (ConnectionNumber (x_current_display), F_GETOWN, 0); |
dc6f92b8 | 6080 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 RS |
6081 | /* stdin is a socket here */ |
6082 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, -getpid ()); | |
c118dd06 | 6083 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
61c3ce62 | 6084 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, getpid ()); |
c118dd06 JB |
6085 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
6086 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 6087 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
6088 | |
6089 | #ifdef SIGIO | |
6090 | init_sigio (); | |
c118dd06 | 6091 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 6092 | |
dc6f92b8 JB |
6093 | expose_all_windows = 0; |
6094 | ||
f676886a | 6095 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
6096 | clear_end_of_line_hook = XTclear_end_of_line; |
6097 | ins_del_lines_hook = XTins_del_lines; | |
6098 | change_line_highlight_hook = XTchange_line_highlight; | |
6099 | insert_glyphs_hook = XTinsert_glyphs; | |
6100 | write_glyphs_hook = XTwrite_glyphs; | |
6101 | delete_glyphs_hook = XTdelete_glyphs; | |
6102 | ring_bell_hook = XTring_bell; | |
6103 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
6104 | set_terminal_modes_hook = XTset_terminal_modes; | |
6105 | update_begin_hook = XTupdate_begin; | |
6106 | update_end_hook = XTupdate_end; | |
6107 | set_terminal_window_hook = XTset_terminal_window; | |
6108 | read_socket_hook = XTread_socket; | |
b8009dd1 | 6109 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
6110 | cursor_to_hook = XTcursor_to; |
6111 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 6112 | mouse_position_hook = XTmouse_position; |
f451eb13 | 6113 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 6114 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
6115 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
6116 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
6117 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
6118 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 6119 | |
f676886a | 6120 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
6121 | char_ins_del_ok = 0; /* just as fast to write the line */ |
6122 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
6123 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 6124 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
6125 | off the bottom */ |
6126 | baud_rate = 19200; | |
6127 | ||
b30b24cb RS |
6128 | /* Try to use interrupt input; if we can't, then start polling. */ |
6129 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
6130 | ||
c118dd06 JB |
6131 | /* Note that there is no real way portable across R3/R4 to get the |
6132 | original error handler. */ | |
6133 | XHandleError (x_error_quitter); | |
8922af5f | 6134 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
6135 | |
6136 | /* Disable Window Change signals; they are handled by X events. */ | |
6137 | #ifdef SIGWINCH | |
6138 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 6139 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 6140 | |
c118dd06 | 6141 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 6142 | } |
55123275 JB |
6143 | |
6144 | void | |
6145 | syms_of_xterm () | |
6146 | { | |
ab648270 | 6147 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 6148 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
6149 | staticpro (&mouse_face_window); |
6150 | mouse_face_window = Qnil; | |
55123275 | 6151 | } |
c118dd06 JB |
6152 | #endif /* ! defined (HAVE_X11) */ |
6153 | #endif /* ! defined (HAVE_X_WINDOWS) */ |