Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
b8009dd1 | 2 | Copyright (C) 1989, 1993, 1994 Free Software Foundation, Inc. |
dc6f92b8 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
4746118a | 8 | the Free Software Foundation; either version 2, or (at your option) |
dc6f92b8 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
3afe33e7 RS |
20 | /* Xt features made by Fred Pierresteguy. */ |
21 | ||
039440c4 RS |
22 | /* On 4.3 these lose if they come after xterm.h. */ |
23 | /* On HP-UX 8.0 signal.h loses if it comes after config.h. */ | |
24 | /* Putting these at the beginning seems to be standard for other .c files. */ | |
039440c4 RS |
25 | #include <signal.h> |
26 | ||
18160b98 | 27 | #include <config.h> |
dc6f92b8 | 28 | |
4846819e RS |
29 | #include <stdio.h> |
30 | ||
3afe33e7 | 31 | /* Need syssignal.h for various externs and definitions that may be required |
bc20ebbf | 32 | by some configurations for calls to signal later in this source file. */ |
3afe33e7 RS |
33 | #include "syssignal.h" |
34 | ||
dc6f92b8 JB |
35 | #ifdef HAVE_X_WINDOWS |
36 | ||
37 | #include "lisp.h" | |
9ac0d9e0 | 38 | #include "blockinput.h" |
dc6f92b8 | 39 | |
dc6f92b8 JB |
40 | /* This may include sys/types.h, and that somehow loses |
41 | if this is not done before the other system files. */ | |
42 | #include "xterm.h" | |
f451eb13 | 43 | #include <X11/cursorfont.h> |
dc6f92b8 | 44 | |
16bd92ea | 45 | #ifndef USG |
dc6f92b8 JB |
46 | /* Load sys/types.h if not already loaded. |
47 | In some systems loading it twice is suicidal. */ | |
48 | #ifndef makedev | |
49 | #include <sys/types.h> | |
c118dd06 JB |
50 | #endif /* makedev */ |
51 | #endif /* USG */ | |
dc6f92b8 JB |
52 | |
53 | #ifdef BSD | |
54 | #include <sys/ioctl.h> | |
c118dd06 | 55 | #endif /* ! defined (BSD) */ |
dc6f92b8 | 56 | |
2d368234 | 57 | #include "systty.h" |
3a2712f9 | 58 | #include "systime.h" |
dc6f92b8 | 59 | |
b8009dd1 | 60 | #ifndef INCLUDED_FCNTL |
dc6f92b8 | 61 | #include <fcntl.h> |
b8009dd1 | 62 | #endif |
dc6f92b8 JB |
63 | #include <ctype.h> |
64 | #include <errno.h> | |
65 | #include <setjmp.h> | |
66 | #include <sys/stat.h> | |
67 | #include <sys/param.h> | |
68 | ||
69 | #include "dispextern.h" | |
70 | #include "termhooks.h" | |
71 | #include "termopts.h" | |
72 | #include "termchar.h" | |
73 | #if 0 | |
74 | #include "sink.h" | |
75 | #include "sinkmask.h" | |
c118dd06 | 76 | #endif /* ! 0 */ |
dc6f92b8 | 77 | #include "gnu.h" |
f676886a | 78 | #include "frame.h" |
dc6f92b8 | 79 | #include "disptab.h" |
dc6f92b8 | 80 | #include "buffer.h" |
f451eb13 | 81 | #include "window.h" |
dc6f92b8 | 82 | |
3afe33e7 RS |
83 | #ifdef USE_X_TOOLKIT |
84 | extern XtAppContext Xt_app_con; | |
85 | extern Widget Xt_app_shell; | |
9d7e2e3e | 86 | extern void free_frame_menubar (); |
c2df547c | 87 | extern void _XEditResCheckMessages (); |
3afe33e7 RS |
88 | #endif /* USE_X_TOOLKIT */ |
89 | ||
b849c413 RS |
90 | #ifndef USE_X_TOOLKIT |
91 | #define x_any_window_to_frame x_window_to_frame | |
5627c40e | 92 | #define x_top_window_to_frame x_window_to_frame |
b849c413 RS |
93 | #endif |
94 | ||
546e6d5b RS |
95 | #ifdef USE_X_TOOLKIT |
96 | #ifndef XtNinitialState | |
97 | #define XtNinitialState "initialState" | |
98 | #endif | |
99 | #endif | |
100 | ||
dc6f92b8 JB |
101 | #ifdef HAVE_X11 |
102 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 103 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
104 | #include <X/Xkeyboard.h> |
105 | /*#include <X/Xproto.h> */ | |
c118dd06 | 106 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 107 | |
c34efc6c JB |
108 | #ifdef FD_SET |
109 | /* We could get this from param.h, but better not to depend on finding that. | |
110 | And better not to risk that it might define other symbols used in this | |
111 | file. */ | |
112 | #ifdef FD_SETSIZE | |
113 | #define MAXDESC FD_SETSIZE | |
114 | #else | |
115 | #define MAXDESC 64 | |
116 | #endif | |
117 | #define SELECT_TYPE fd_set | |
118 | #else /* no FD_SET */ | |
119 | #define MAXDESC 32 | |
120 | #define SELECT_TYPE int | |
121 | ||
122 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
123 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
124 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
125 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
126 | #define FD_ZERO(p) (*(p) = 0) | |
127 | #endif /* no FD_SET */ | |
128 | ||
dc6f92b8 JB |
129 | /* For sending Meta-characters. Do we need this? */ |
130 | #define METABIT 0200 | |
131 | ||
132 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
133 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 134 | \f |
dc6f92b8 JB |
135 | /* Nonzero means we must reprint all windows |
136 | because 1) we received an ExposeWindow event | |
f451eb13 | 137 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 138 | |
f451eb13 | 139 | This is never needed under X11. */ |
dc6f92b8 JB |
140 | static int expose_all_windows; |
141 | ||
142 | /* Nonzero means we must reprint all icon windows. */ | |
143 | ||
144 | static int expose_all_icons; | |
145 | ||
146 | #ifndef HAVE_X11 | |
147 | /* ExposeRegion events, when received, are copied into this queue | |
148 | for later processing. */ | |
149 | ||
150 | static struct event_queue x_expose_queue; | |
151 | ||
69388238 | 152 | /* ButtonPress and ButtonReleased events, when received, |
dc6f92b8 JB |
153 | are copied into this queue for later processing. */ |
154 | ||
155 | struct event_queue x_mouse_queue; | |
c118dd06 | 156 | #endif /* HAVE_X11 */ |
dc6f92b8 | 157 | |
dc6f92b8 JB |
158 | #if defined (SIGIO) && defined (FIONREAD) |
159 | int BLOCK_INPUT_mask; | |
c118dd06 | 160 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 161 | |
dc6f92b8 JB |
162 | /* The id of a bitmap used for icon windows. |
163 | One such map is shared by all Emacs icon windows. | |
164 | This is zero if we have not yet had a need to create the bitmap. */ | |
165 | ||
166 | static Bitmap icon_bitmap; | |
167 | ||
168 | /* Font used for text icons. */ | |
169 | ||
170 | static FONT_TYPE *icon_font_info; | |
171 | ||
172 | /* Stuff for dealing with the main icon title. */ | |
173 | ||
becadff8 KH |
174 | extern Lisp_Object Vcommand_line_args, Vsystem_name; |
175 | char *x_id_name; | |
dc6f92b8 | 176 | |
0ab983c8 RS |
177 | /* Initial values of argv and argc. */ |
178 | extern char **initial_argv; | |
179 | extern int initial_argc; | |
180 | ||
dc6f92b8 JB |
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 | ||
11dd3d61 RS |
237 | /* Reusable Graphics Context for drawing a cursor in a non-default face. */ |
238 | static GC scratch_cursor_gc; | |
239 | ||
69388238 RS |
240 | /* Mouse movement. |
241 | ||
242 | In order to avoid asking for motion events and then throwing most | |
243 | of them away or busy-polling the server for mouse positions, we ask | |
244 | the server for pointer motion hints. This means that we get only | |
245 | one event per group of mouse movements. "Groups" are delimited by | |
246 | other kinds of events (focus changes and button clicks, for | |
247 | example), or by XQueryPointer calls; when one of these happens, we | |
248 | get another MotionNotify event the next time the mouse moves. This | |
249 | is at least as efficient as getting motion events when mouse | |
250 | tracking is on, and I suspect only negligibly worse when tracking | |
251 | is off. | |
252 | ||
253 | The silly O'Reilly & Associates Nutshell guides barely document | |
254 | pointer motion hints at all (I think you have to infer how they | |
255 | work from an example), and the description of XQueryPointer doesn't | |
256 | mention that calling it causes you to get another motion hint from | |
257 | the server, which is very important. */ | |
258 | ||
259 | /* Where the mouse was last time we reported a mouse event. */ | |
260 | static FRAME_PTR last_mouse_frame; | |
261 | static XRectangle last_mouse_glyph; | |
262 | ||
263 | /* The scroll bar in which the last X motion event occurred. | |
264 | ||
265 | If the last X motion event occurred in a scroll bar, we set this | |
266 | so XTmouse_position can know whether to report a scroll bar motion or | |
267 | an ordinary motion. | |
268 | ||
269 | If the last X motion event didn't occur in a scroll bar, we set this | |
270 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
271 | static Lisp_Object last_mouse_scroll_bar; | |
272 | ||
af31d76f | 273 | /* Record which buttons are currently pressed. */ |
69388238 RS |
274 | unsigned int x_mouse_grabbed; |
275 | ||
276 | /* This is a hack. We would really prefer that XTmouse_position would | |
277 | return the time associated with the position it returns, but there | |
278 | doesn't seem to be any way to wrest the timestamp from the server | |
279 | along with the position query. So, we just keep track of the time | |
280 | of the last movement we received, and return that in hopes that | |
281 | it's somewhat accurate. */ | |
282 | static Time last_mouse_movement_time; | |
283 | ||
b8009dd1 RS |
284 | /* These variables describe the range of text currently shown |
285 | in its mouse-face, together with the window they apply to. | |
286 | As long as the mouse stays within this range, we need not | |
287 | redraw anything on its account. */ | |
3b506386 KH |
288 | static int mouse_face_beg_row, mouse_face_beg_col; |
289 | static int mouse_face_end_row, mouse_face_end_col; | |
4d73d038 | 290 | static int mouse_face_past_end; |
b8009dd1 RS |
291 | static Lisp_Object mouse_face_window; |
292 | static int mouse_face_face_id; | |
293 | ||
514e4681 RS |
294 | /* 1 if a mouse motion event came and we didn't handle it right away because |
295 | gc was in progress. */ | |
296 | static int mouse_face_deferred_gc; | |
297 | ||
27f338af RS |
298 | /* FRAME and X, Y position of mouse when last checked for |
299 | highlighting. X and Y can be negative or out of range for the frame. */ | |
b8009dd1 RS |
300 | static FRAME_PTR mouse_face_mouse_frame; |
301 | static int mouse_face_mouse_x, mouse_face_mouse_y; | |
302 | ||
303 | /* Nonzero means defer mouse-motion highlighting. */ | |
304 | static int mouse_face_defer; | |
305 | ||
dc6f92b8 JB |
306 | #ifdef HAVE_X11 |
307 | /* `t' if a mouse button is depressed. */ | |
308 | ||
309 | extern Lisp_Object Vmouse_depressed; | |
310 | ||
311 | /* Tells if a window manager is present or not. */ | |
312 | ||
313 | extern Lisp_Object Vx_no_window_manager; | |
314 | ||
315 | /* Timestamp that we requested selection data was made. */ | |
316 | extern Time requestor_time; | |
317 | ||
318 | /* ID of the window requesting selection data. */ | |
319 | extern Window requestor_window; | |
320 | ||
321 | /* Nonzero enables some debugging for the X interface code. */ | |
322 | extern int _Xdebug; | |
323 | ||
c2df547c | 324 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 325 | |
c118dd06 | 326 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
327 | |
328 | /* Bit patterns for the mouse cursor. */ | |
329 | ||
330 | short MouseCursor[] = { | |
331 | 0x0000, 0x0008, 0x0018, 0x0038, | |
332 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
333 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
334 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
335 | ||
336 | short MouseMask[] = { | |
337 | 0x000c, 0x001c, 0x003c, 0x007c, | |
338 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
339 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
340 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
341 | ||
342 | static short grey_bits[] = { | |
343 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
344 | ||
345 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 346 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 347 | |
ef2a22d0 RS |
348 | #ifdef X_IO_BUG |
349 | static int x_noop_count; | |
350 | #endif | |
351 | ||
352 | ||
dc6f92b8 JB |
353 | /* From time to time we get info on an Emacs window, here. */ |
354 | ||
355 | static WINDOWINFO_TYPE windowinfo; | |
356 | ||
357 | extern int errno; | |
358 | ||
dfeccd2d | 359 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
360 | extern int extra_keyboard_modifiers; |
361 | ||
dc6f92b8 JB |
362 | extern Display *XOpenDisplay (); |
363 | extern Window XCreateWindow (); | |
364 | ||
365 | extern Cursor XCreateCursor (); | |
366 | extern FONT_TYPE *XOpenFont (); | |
367 | ||
368 | static void flashback (); | |
c83febd7 | 369 | static void redraw_previous_char (); |
0cdd0c9f | 370 | static void redraw_following_char (); |
3afe33e7 | 371 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 372 | |
55836b73 | 373 | static int fast_find_position (); |
b8009dd1 RS |
374 | static void note_mouse_highlight (); |
375 | static void clear_mouse_face (); | |
376 | static void show_mouse_face (); | |
377 | ||
dc6f92b8 JB |
378 | #ifndef HAVE_X11 |
379 | static void dumpqueue (); | |
c118dd06 | 380 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
381 | |
382 | void dumpborder (); | |
4746118a JB |
383 | static int XTcursor_to (); |
384 | static int XTclear_end_of_line (); | |
16bd92ea JB |
385 | |
386 | \f | |
f451eb13 JB |
387 | /* Starting and ending updates. |
388 | ||
389 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
390 | of a frame update. We record in `updating_frame' the identity |
391 | of the frame being updated, so that the XT... functions do not | |
392 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 393 | should never be called except during an update, the only exceptions |
c83febd7 | 394 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 JB |
395 | |
396 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
397 | ||
398 | static | |
f676886a JB |
399 | XTupdate_begin (f) |
400 | struct frame *f; | |
dc6f92b8 JB |
401 | { |
402 | int mask; | |
403 | ||
f676886a | 404 | if (f == 0) |
dc6f92b8 JB |
405 | abort (); |
406 | ||
f676886a | 407 | flexlines = f->height; |
dc6f92b8 JB |
408 | highlight = 0; |
409 | ||
dc6f92b8 | 410 | BLOCK_INPUT; |
b8009dd1 RS |
411 | |
412 | if (f == mouse_face_mouse_frame) | |
413 | { | |
514e4681 | 414 | /* Don't do highlighting for mouse motion during the update. */ |
b8009dd1 RS |
415 | mouse_face_defer = 1; |
416 | if (!NILP (mouse_face_window)) | |
514e4681 RS |
417 | { |
418 | int firstline, lastline, i; | |
419 | struct window *w = XWINDOW (mouse_face_window); | |
420 | ||
421 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
422 | for (firstline = 0; firstline < f->height; firstline++) | |
423 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
424 | break; | |
425 | ||
426 | lastline = f->height; | |
427 | for (i = f->height - 1; i >= 0; i--) | |
428 | { | |
429 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
430 | break; | |
431 | else | |
432 | lastline = i; | |
433 | } | |
434 | ||
435 | /* Can we tell that this update does not affect the window | |
436 | where the mouse highlight is? If so, no need to turn off. */ | |
437 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
438 | || lastline < XFASTINT (w->top))) | |
439 | /* Otherwise turn off the mouse highlight now. */ | |
440 | clear_mouse_face (); | |
441 | } | |
b8009dd1 | 442 | } |
dc6f92b8 JB |
443 | #ifndef HAVE_X11 |
444 | dumpqueue (); | |
c118dd06 | 445 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
446 | UNBLOCK_INPUT; |
447 | } | |
448 | ||
f451eb13 | 449 | #ifndef HAVE_X11 |
dc6f92b8 | 450 | static void x_do_pending_expose (); |
f451eb13 | 451 | #endif |
dc6f92b8 JB |
452 | |
453 | static | |
f676886a JB |
454 | XTupdate_end (f) |
455 | struct frame *f; | |
dc6f92b8 JB |
456 | { |
457 | int mask; | |
458 | ||
dc6f92b8 JB |
459 | BLOCK_INPUT; |
460 | #ifndef HAVE_X11 | |
461 | dumpqueue (); | |
dc6f92b8 | 462 | x_do_pending_expose (); |
f451eb13 | 463 | #endif /* HAVE_X11 */ |
dc6f92b8 | 464 | |
f676886a | 465 | x_display_cursor (f, 1); |
dc6f92b8 | 466 | |
b8009dd1 RS |
467 | if (f == mouse_face_mouse_frame) |
468 | mouse_face_defer = 0; | |
469 | #if 0 | |
470 | /* This fails in the case of having updated only the echo area | |
471 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
472 | has no relation to the current contents, and its charstarts | |
473 | have no relation to the contents of the window-buffer. | |
474 | I don't know a clean way to check | |
475 | for that case. window_end_valid isn't set up yet. */ | |
476 | if (f == mouse_face_mouse_frame) | |
477 | note_mouse_highlight (f, mouse_face_mouse_x, mouse_face_mouse_y); | |
478 | #endif | |
479 | ||
dc6f92b8 JB |
480 | XFlushQueue (); |
481 | UNBLOCK_INPUT; | |
482 | } | |
b8009dd1 | 483 | |
514e4681 | 484 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
485 | |
486 | static | |
487 | XTframe_up_to_date (f) | |
488 | FRAME_PTR f; | |
489 | { | |
514e4681 RS |
490 | if (mouse_face_deferred_gc || f == mouse_face_mouse_frame) |
491 | { | |
492 | note_mouse_highlight (mouse_face_mouse_frame, | |
493 | mouse_face_mouse_x, mouse_face_mouse_y); | |
494 | mouse_face_deferred_gc = 0; | |
495 | } | |
b8009dd1 | 496 | } |
dc6f92b8 JB |
497 | \f |
498 | /* External interface to control of standout mode. | |
499 | Call this when about to modify line at position VPOS | |
500 | and not change whether it is highlighted. */ | |
501 | ||
502 | XTreassert_line_highlight (new, vpos) | |
503 | int new, vpos; | |
504 | { | |
505 | highlight = new; | |
506 | } | |
507 | ||
508 | /* Call this when about to modify line at position VPOS | |
509 | and change whether it is highlighted. */ | |
510 | ||
511 | static | |
512 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
513 | int new_highlight, vpos, first_unused_hpos; | |
514 | { | |
515 | highlight = new_highlight; | |
516 | XTcursor_to (vpos, 0); | |
f676886a | 517 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
518 | } |
519 | ||
520 | /* This is used when starting Emacs and when restarting after suspend. | |
521 | When starting Emacs, no X window is mapped. And nothing must be done | |
522 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
523 | ||
524 | static | |
525 | XTset_terminal_modes () | |
526 | { | |
527 | } | |
528 | ||
529 | /* This is called when exiting or suspending Emacs. | |
530 | Exiting will make the X-windows go away, and suspending | |
531 | requires no action. */ | |
532 | ||
533 | static | |
534 | XTreset_terminal_modes () | |
535 | { | |
f676886a | 536 | /* XTclear_frame (); */ |
dc6f92b8 JB |
537 | } |
538 | \f | |
f451eb13 JB |
539 | /* Set the nominal cursor position of the frame. |
540 | This is where display update commands will take effect. | |
dc6f92b8 JB |
541 | This does not affect the place where the cursor-box is displayed. */ |
542 | ||
4746118a | 543 | static int |
dc6f92b8 JB |
544 | XTcursor_to (row, col) |
545 | register int row, col; | |
546 | { | |
547 | int mask; | |
548 | int orow = row; | |
549 | ||
550 | curs_x = col; | |
551 | curs_y = row; | |
552 | ||
f676886a | 553 | if (updating_frame == 0) |
dc6f92b8 JB |
554 | { |
555 | BLOCK_INPUT; | |
f676886a | 556 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
557 | XFlushQueue (); |
558 | UNBLOCK_INPUT; | |
559 | } | |
560 | } | |
561 | \f | |
562 | /* Display a sequence of N glyphs found at GP. | |
563 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
564 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
565 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
566 | JUST_FOREGROUND if 1 means draw only the foreground; |
567 | don't alter the background. | |
dc6f92b8 | 568 | |
07e34cb0 | 569 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 570 | |
07e34cb0 JB |
571 | Since the display generation code is responsible for calling |
572 | compute_char_face and compute_glyph_face on everything it puts in | |
573 | the display structure, we can assume that the face code on each | |
28f72798 | 574 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
575 | to which we can actually apply intern_face. |
576 | Call this function with input blocked. */ | |
dc6f92b8 | 577 | |
07e34cb0 JB |
578 | #if 1 |
579 | /* This is the multi-face code. */ | |
dc6f92b8 | 580 | |
dc6f92b8 | 581 | static void |
0cdd0c9f | 582 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 583 | struct frame *f; |
dc6f92b8 JB |
584 | int left, top; |
585 | register GLYPH *gp; /* Points to first GLYPH. */ | |
586 | register int n; /* Number of glyphs to display. */ | |
587 | int hl; | |
0cdd0c9f | 588 | int just_foreground; |
dc6f92b8 | 589 | { |
07e34cb0 JB |
590 | /* Holds characters to be displayed. */ |
591 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
592 | register char *cp; /* Steps through buf[]. */ |
593 | register int tlen = GLYPH_TABLE_LENGTH; | |
594 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 595 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 596 | int orig_left = left; |
dc6f92b8 | 597 | |
07e34cb0 | 598 | while (n > 0) |
dc6f92b8 JB |
599 | { |
600 | /* Get the face-code of the next GLYPH. */ | |
601 | int cf, len; | |
602 | int g = *gp; | |
603 | ||
07e34cb0 | 604 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 605 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
606 | |
607 | /* Find the run of consecutive glyphs with the same face-code. | |
608 | Extract their character codes into BUF. */ | |
609 | cp = buf; | |
610 | while (n > 0) | |
611 | { | |
612 | g = *gp; | |
07e34cb0 | 613 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 614 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
615 | break; |
616 | ||
6f63ba79 | 617 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
618 | --n; |
619 | ++gp; | |
620 | } | |
621 | ||
622 | /* LEN gets the length of the run. */ | |
623 | len = cp - buf; | |
624 | ||
625 | /* Now output this run of chars, with the font and pixel values | |
626 | determined by the face code CF. */ | |
07e34cb0 JB |
627 | { |
628 | struct face *face = FRAME_DEFAULT_FACE (f); | |
629 | FONT_TYPE *font = FACE_FONT (face); | |
630 | GC gc = FACE_GC (face); | |
631 | ||
b8009dd1 RS |
632 | /* HL = 3 means use a mouse face previously chosen. */ |
633 | if (hl == 3) | |
634 | cf = mouse_face_face_id; | |
635 | ||
b73b6aaf RS |
636 | /* First look at the face of the text itself. */ |
637 | if (cf != 0) | |
07e34cb0 | 638 | { |
a07d4bc5 RS |
639 | /* It's possible for the display table to specify |
640 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
641 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
642 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 643 | cf = 0; |
07e34cb0 JB |
644 | |
645 | if (cf == 1) | |
646 | face = FRAME_MODE_LINE_FACE (f); | |
647 | else | |
28f72798 | 648 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
649 | font = FACE_FONT (face); |
650 | gc = FACE_GC (face); | |
651 | } | |
4a4dc352 JB |
652 | |
653 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
654 | else if (hl == 0) |
655 | ; | |
656 | else if (hl == 1) | |
657 | { | |
658 | face = FRAME_MODE_LINE_FACE (f); | |
659 | font = FACE_FONT (face); | |
660 | gc = FACE_GC (face); | |
b73b6aaf RS |
661 | } |
662 | ||
663 | #define FACE_DEFAULT (~0) | |
664 | ||
665 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 666 | if (hl == 2) |
b73b6aaf | 667 | { |
11dd3d61 RS |
668 | if ((!face->font |
669 | || (int) face->font == FACE_DEFAULT | |
670 | || face->font == f->display.x->font) | |
671 | && face->background == f->display.x->background_pixel | |
672 | && face->foreground == f->display.x->foreground_pixel) | |
b5cf7a0e JB |
673 | { |
674 | gc = f->display.x->cursor_gc; | |
675 | } | |
676 | /* Cursor on non-default face: must merge. */ | |
677 | else | |
678 | { | |
679 | XGCValues xgcv; | |
680 | unsigned long mask; | |
681 | ||
682 | xgcv.background = f->display.x->cursor_pixel; | |
11dd3d61 | 683 | xgcv.foreground = face->background; |
df5a440b RS |
684 | /* If the glyph would be invisible, |
685 | try a different foreground. */ | |
686 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 687 | xgcv.foreground = face->foreground; |
df5a440b RS |
688 | if (xgcv.foreground == xgcv.background) |
689 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
690 | if (xgcv.foreground == xgcv.background) | |
691 | xgcv.foreground = face->foreground; | |
692 | /* Make sure the cursor is distinct from text in this face. */ | |
693 | if (xgcv.background == face->background | |
694 | && xgcv.foreground == face->foreground) | |
695 | { | |
696 | xgcv.background = face->foreground; | |
697 | xgcv.foreground = face->background; | |
698 | } | |
b5cf7a0e JB |
699 | xgcv.font = face->font->fid; |
700 | xgcv.graphics_exposures = 0; | |
701 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
11dd3d61 RS |
702 | if (scratch_cursor_gc) |
703 | XChangeGC (x_current_display, scratch_cursor_gc, mask, &xgcv); | |
704 | else | |
705 | scratch_cursor_gc = | |
706 | XCreateGC (x_current_display, window, mask, &xgcv); | |
707 | gc = scratch_cursor_gc; | |
b73b6aaf | 708 | #if 0 |
11dd3d61 RS |
709 | /* If this code is restored, it must also reset to the default stipple |
710 | if necessary. */ | |
b5cf7a0e JB |
711 | if (face->stipple && face->stipple != FACE_DEFAULT) |
712 | XSetStipple (x_current_display, gc, face->stipple); | |
b73b6aaf | 713 | #endif |
b5cf7a0e | 714 | } |
07e34cb0 | 715 | } |
07e34cb0 | 716 | |
b5cf7a0e JB |
717 | if ((int) font == FACE_DEFAULT) |
718 | font = f->display.x->font; | |
719 | ||
0cdd0c9f RS |
720 | if (just_foreground) |
721 | XDrawString (x_current_display, window, gc, | |
722 | left, top + FONT_BASE (font), buf, len); | |
723 | else | |
724 | { | |
725 | XDrawImageString (x_current_display, window, gc, | |
726 | left, top + FONT_BASE (font), buf, len); | |
727 | /* Clear the rest of the line's height. */ | |
728 | if (f->display.x->line_height != FONT_HEIGHT (font)) | |
729 | XClearArea (x_current_display, window, left, | |
730 | top + FONT_HEIGHT (font), | |
731 | FONT_WIDTH (font) * len, | |
732 | /* This is how many pixels of height | |
733 | we have to clear. */ | |
734 | f->display.x->line_height - FONT_HEIGHT (font), | |
735 | False); | |
736 | } | |
737 | ||
738 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
739 | which often is not up to date yet. */ | |
740 | if (!just_foreground) | |
741 | { | |
742 | if (left == orig_left) | |
743 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
744 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
745 | if (n == 0) | |
746 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
747 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
748 | } | |
749 | #endif | |
07e34cb0 JB |
750 | |
751 | /* We should probably check for XA_UNDERLINE_POSITION and | |
752 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
753 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 754 | { |
4a4dc352 | 755 | int underline_position = 1; |
07e34cb0 | 756 | |
4a4dc352 JB |
757 | if (font->descent <= underline_position) |
758 | underline_position = font->descent - 1; | |
07e34cb0 JB |
759 | |
760 | if (face->underline) | |
761 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
762 | FACE_GC (face), | |
763 | left, (top | |
764 | + FONT_BASE (font) | |
765 | + underline_position), | |
766 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 767 | } |
07e34cb0 JB |
768 | |
769 | left += len * FONT_WIDTH (font); | |
770 | } | |
dc6f92b8 JB |
771 | } |
772 | } | |
07e34cb0 JB |
773 | #endif /* 1 */ |
774 | ||
775 | #if 0 | |
776 | /* This is the old single-face code. */ | |
777 | ||
778 | static void | |
779 | dumpglyphs (f, left, top, gp, n, hl, font) | |
780 | struct frame *f; | |
781 | int left, top; | |
782 | register GLYPH *gp; /* Points to first GLYPH. */ | |
783 | register int n; /* Number of glyphs to display. */ | |
784 | int hl; | |
785 | FONT_TYPE *font; | |
786 | { | |
787 | register int len; | |
788 | Window window = FRAME_X_WINDOW (f); | |
789 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
790 | : (hl ? f->display.x->reverse_gc | |
791 | : f->display.x->normal_gc)); | |
792 | ||
793 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
794 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
795 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
796 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
797 | XDrawImageString (x_current_display, window, drawing_gc, | |
798 | left, top + FONT_BASE (font), (char *) gp, n); | |
799 | else | |
800 | /* What size of glyph ARE you using? And does X have a function to | |
801 | draw them? */ | |
802 | abort (); | |
803 | } | |
804 | #endif | |
dc6f92b8 | 805 | \f |
f451eb13 JB |
806 | /* Output some text at the nominal frame cursor position. |
807 | Advance the cursor over the text. | |
dc6f92b8 JB |
808 | Output LEN glyphs at START. |
809 | ||
810 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
811 | controls the pixel values used for foreground and background. */ | |
812 | ||
813 | static | |
814 | XTwrite_glyphs (start, len) | |
815 | register GLYPH *start; | |
816 | int len; | |
817 | { | |
818 | register int temp_length; | |
819 | int mask; | |
f676886a | 820 | struct frame *f; |
dc6f92b8 JB |
821 | |
822 | BLOCK_INPUT; | |
823 | ||
f676886a JB |
824 | f = updating_frame; |
825 | if (f == 0) | |
dc6f92b8 | 826 | { |
f676886a | 827 | f = selected_frame; |
dc6f92b8 | 828 | /* If not within an update, |
f676886a JB |
829 | output at the frame's visible cursor. */ |
830 | curs_x = f->cursor_x; | |
831 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
832 | } |
833 | ||
f676886a | 834 | dumpglyphs (f, |
12ba150f JB |
835 | CHAR_TO_PIXEL_COL (f, curs_x), |
836 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 837 | start, len, highlight, 0); |
90e65f07 JB |
838 | |
839 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
840 | if (curs_y == f->phys_cursor_y |
841 | && curs_x <= f->phys_cursor_x | |
842 | && curs_x + len > f->phys_cursor_x) | |
843 | f->phys_cursor_x = -1; | |
dc6f92b8 | 844 | |
f676886a | 845 | if (updating_frame == 0) |
dc6f92b8 | 846 | { |
f676886a JB |
847 | f->cursor_x += len; |
848 | x_display_cursor (f, 1); | |
849 | f->cursor_x -= len; | |
dc6f92b8 JB |
850 | } |
851 | else | |
852 | curs_x += len; | |
853 | ||
854 | UNBLOCK_INPUT; | |
855 | } | |
856 | \f | |
f451eb13 JB |
857 | /* Clear to the end of the line. |
858 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
859 | to column FIRST_UNUSED (exclusive). The idea is that everything |
860 | from FIRST_UNUSED onward is already erased. */ | |
861 | ||
4746118a | 862 | static int |
dc6f92b8 JB |
863 | XTclear_end_of_line (first_unused) |
864 | register int first_unused; | |
865 | { | |
f676886a | 866 | struct frame *f = updating_frame; |
dc6f92b8 JB |
867 | int mask; |
868 | ||
f676886a | 869 | if (f == 0) |
dc6f92b8 JB |
870 | abort (); |
871 | ||
f676886a | 872 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
873 | return; |
874 | if (first_unused <= 0) | |
875 | return; | |
876 | ||
f676886a JB |
877 | if (first_unused >= f->width) |
878 | first_unused = f->width; | |
dc6f92b8 JB |
879 | |
880 | BLOCK_INPUT; | |
881 | ||
90e65f07 | 882 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
883 | if (curs_y == f->phys_cursor_y |
884 | && curs_x <= f->phys_cursor_x | |
885 | && f->phys_cursor_x < first_unused) | |
886 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
887 | |
888 | #ifdef HAVE_X11 | |
c118dd06 | 889 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
890 | CHAR_TO_PIXEL_COL (f, curs_x), |
891 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 892 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 893 | f->display.x->line_height, False); |
c83febd7 | 894 | #if 0 |
0cdd0c9f | 895 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 896 | #endif |
c118dd06 JB |
897 | #else /* ! defined (HAVE_X11) */ |
898 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
899 | CHAR_TO_PIXEL_COL (f, curs_x), |
900 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 901 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 902 | f->display.x->line_height, |
f676886a | 903 | f->display.x->background_pixel); |
c118dd06 | 904 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
905 | |
906 | UNBLOCK_INPUT; | |
907 | } | |
908 | ||
0cdd0c9f RS |
909 | static |
910 | XTclear_frame () | |
911 | { | |
912 | int mask; | |
913 | struct frame *f = updating_frame; | |
914 | ||
915 | if (f == 0) | |
916 | f = selected_frame; | |
917 | ||
918 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
919 | curs_x = 0; /* Nominal cursor position is top left. */ | |
920 | curs_y = 0; | |
921 | ||
922 | BLOCK_INPUT; | |
923 | ||
924 | XClear (FRAME_X_WINDOW (f)); | |
925 | ||
926 | /* We have to clear the scroll bars, too. If we have changed | |
927 | colors or something like that, then they should be notified. */ | |
928 | x_scroll_bar_clear (f); | |
929 | ||
930 | #ifndef HAVE_X11 | |
931 | dumpborder (f, 0); | |
932 | #endif /* HAVE_X11 */ | |
933 | ||
934 | XFlushQueue (); | |
935 | UNBLOCK_INPUT; | |
936 | } | |
937 | \f | |
938 | #if 0 | |
939 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
940 | always contain the right glyphs to use. | |
941 | ||
942 | It also needs to be changed to look at the details of the font and | |
943 | see whether there is really overlap, and do nothing when there is | |
944 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
945 | but just how to use them is not clear. */ | |
946 | ||
c83febd7 RS |
947 | /* Erase the character (if any) at the position just before X, Y in frame F, |
948 | then redraw it and the character before it. | |
949 | This is necessary when we erase starting at X, | |
f94397b5 KH |
950 | in case the character after X overlaps into the one before X. |
951 | Call this function with input blocked. */ | |
c83febd7 RS |
952 | |
953 | static void | |
0cdd0c9f | 954 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
955 | FRAME_PTR f; |
956 | int x, y; | |
0cdd0c9f | 957 | int highlight_flag; |
c83febd7 RS |
958 | { |
959 | /* Erase the character before the new ones, in case | |
960 | what was here before overlaps it. | |
961 | Reoutput that character, and the previous character | |
962 | (in case the previous character overlaps it). */ | |
963 | if (x > 0) | |
964 | { | |
965 | int start_x = x - 2; | |
966 | if (start_x < 0) | |
967 | start_x = 0; | |
968 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
969 | CHAR_TO_PIXEL_COL (f, x - 1), | |
970 | CHAR_TO_PIXEL_ROW (f, y), | |
971 | FONT_WIDTH (f->display.x->font), | |
a27f9f86 | 972 | f->display.x->line_height, False); |
c83febd7 RS |
973 | |
974 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
975 | CHAR_TO_PIXEL_ROW (f, y), | |
976 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 977 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
978 | } |
979 | } | |
980 | ||
0cdd0c9f RS |
981 | /* Erase the character (if any) at the position X, Y in frame F, |
982 | then redraw it and the character after it. | |
983 | This is necessary when we erase endng at X, | |
984 | in case the character after X overlaps into the one before X. | |
985 | Call this function with input blocked. */ | |
986 | ||
987 | static void | |
988 | redraw_following_char (f, x, y, highlight_flag) | |
989 | FRAME_PTR f; | |
990 | int x, y; | |
991 | int highlight_flag; | |
dc6f92b8 | 992 | { |
0cdd0c9f RS |
993 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
994 | /* Erase the character after the new ones, in case | |
995 | what was here before overlaps it. | |
996 | Reoutput that character, and the following character | |
997 | (in case the following character overlaps it). */ | |
998 | if (x < limit | |
999 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
1000 | { | |
1001 | int end_x = x + 2; | |
1002 | if (end_x > limit) | |
1003 | end_x = limit; | |
1004 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
1005 | CHAR_TO_PIXEL_COL (f, x), | |
1006 | CHAR_TO_PIXEL_ROW (f, y), | |
1007 | FONT_WIDTH (f->display.x->font), | |
1008 | f->display.x->line_height, False); | |
dc6f92b8 | 1009 | |
0cdd0c9f RS |
1010 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
1011 | CHAR_TO_PIXEL_ROW (f, y), | |
1012 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
1013 | end_x - x, highlight_flag, 1); | |
1014 | } | |
1015 | } | |
1016 | #endif /* 0 */ | |
1017 | \f | |
1018 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 1019 | |
0cdd0c9f | 1020 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 1021 | |
0cdd0c9f RS |
1022 | static int |
1023 | font_char_overlap_left (font, c) | |
1024 | XFontStruct *font; | |
1025 | int c; | |
1026 | { | |
1027 | XCharStruct *s; | |
dbc4e1c1 | 1028 | |
0cdd0c9f RS |
1029 | /* Find the bounding-box info for C. */ |
1030 | if (font->per_char == 0) | |
1031 | s = &font->max_bounds; | |
1032 | else | |
1033 | { | |
1034 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1035 | int row, within; | |
1036 | ||
1037 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1038 | row = c >> 8; | |
1039 | within = c & 0177; | |
1040 | if (!(within >= font->min_char_or_byte2 | |
1041 | && within <= font->max_char_or_byte2 | |
1042 | && row >= font->min_byte1 | |
1043 | && row <= font->max_byte1)) | |
1044 | { | |
1045 | /* If char is out of range, try the font's default char instead. */ | |
1046 | c = font->default_char; | |
1047 | row = c >> (INTBITS - 8); | |
1048 | within = c & 0177; | |
1049 | } | |
1050 | if (!(within >= font->min_char_or_byte2 | |
1051 | && within <= font->max_char_or_byte2 | |
1052 | && row >= font->min_byte1 | |
1053 | && row <= font->max_byte1)) | |
1054 | /* Still out of range means this char does not overlap. */ | |
1055 | return 0; | |
1056 | else | |
1057 | /* We found the info for this char. */ | |
1058 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1059 | + row * rowlen); | |
1060 | } | |
dbc4e1c1 | 1061 | |
0cdd0c9f RS |
1062 | return (s && s->lbearing < 0); |
1063 | } | |
dbc4e1c1 | 1064 | |
0cdd0c9f RS |
1065 | /* Return 1 if character C in font F extends past its right edge. */ |
1066 | ||
1067 | static int | |
1068 | font_char_overlap_right (font, c) | |
1069 | XFontStruct *font; | |
1070 | int c; | |
1071 | { | |
1072 | XCharStruct *s; | |
1073 | ||
1074 | /* Find the bounding-box info for C. */ | |
1075 | if (font->per_char == 0) | |
1076 | s = &font->max_bounds; | |
1077 | else | |
1078 | { | |
1079 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1080 | int row, within; | |
1081 | ||
1082 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1083 | row = c >> 8; | |
1084 | within = c & 0177; | |
1085 | if (!(within >= font->min_char_or_byte2 | |
1086 | && within <= font->max_char_or_byte2 | |
1087 | && row >= font->min_byte1 | |
1088 | && row <= font->max_byte1)) | |
1089 | { | |
1090 | /* If char is out of range, try the font's default char instead. */ | |
1091 | c = font->default_char; | |
1092 | row = c >> (INTBITS - 8); | |
1093 | within = c & 0177; | |
1094 | } | |
1095 | if (!(within >= font->min_char_or_byte2 | |
1096 | && within <= font->max_char_or_byte2 | |
1097 | && row >= font->min_byte1 | |
1098 | && row <= font->max_byte1)) | |
1099 | /* Still out of range means this char does not overlap. */ | |
1100 | return 0; | |
1101 | else | |
1102 | /* We found the info for this char. */ | |
1103 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1104 | + row * rowlen); | |
1105 | } | |
1106 | ||
1107 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1108 | } |
0cdd0c9f | 1109 | #endif /* 0 */ |
dc6f92b8 | 1110 | \f |
dbc4e1c1 JB |
1111 | /* Invert the middle quarter of the frame for .15 sec. */ |
1112 | ||
1113 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1114 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1115 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1116 | ||
1117 | /* Subtract the `struct timeval' values X and Y, | |
1118 | storing the result in RESULT. | |
1119 | Return 1 if the difference is negative, otherwise 0. */ | |
1120 | ||
1121 | static int | |
1122 | timeval_subtract (result, x, y) | |
1123 | struct timeval *result, x, y; | |
1124 | { | |
1125 | /* Perform the carry for the later subtraction by updating y. | |
1126 | This is safer because on some systems | |
1127 | the tv_sec member is unsigned. */ | |
1128 | if (x.tv_usec < y.tv_usec) | |
1129 | { | |
1130 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1131 | y.tv_usec -= 1000000 * nsec; | |
1132 | y.tv_sec += nsec; | |
1133 | } | |
1134 | if (x.tv_usec - y.tv_usec > 1000000) | |
1135 | { | |
1136 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1137 | y.tv_usec += 1000000 * nsec; | |
1138 | y.tv_sec -= nsec; | |
1139 | } | |
1140 | ||
1141 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1142 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1143 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1144 | ||
1145 | /* Return indication of whether the result should be considered negative. */ | |
1146 | return x.tv_sec < y.tv_sec; | |
1147 | } | |
dc6f92b8 | 1148 | |
f676886a JB |
1149 | XTflash (f) |
1150 | struct frame *f; | |
dc6f92b8 | 1151 | { |
dbc4e1c1 | 1152 | BLOCK_INPUT; |
dc6f92b8 | 1153 | |
dbc4e1c1 JB |
1154 | { |
1155 | GC gc; | |
dc6f92b8 | 1156 | |
dbc4e1c1 JB |
1157 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1158 | into background pixels. */ | |
1159 | { | |
1160 | XGCValues values; | |
dc6f92b8 | 1161 | |
dbc4e1c1 JB |
1162 | values.function = GXxor; |
1163 | values.foreground = (f->display.x->foreground_pixel | |
1164 | ^ f->display.x->background_pixel); | |
1165 | ||
1166 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
1167 | GCFunction | GCForeground, &values); | |
1168 | } | |
dc6f92b8 | 1169 | |
dbc4e1c1 JB |
1170 | { |
1171 | int width = PIXEL_WIDTH (f); | |
1172 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1173 | |
dbc4e1c1 JB |
1174 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
1175 | width/4, height/4, width/2, height/2); | |
1176 | XFlush (x_current_display); | |
dc6f92b8 | 1177 | |
dbc4e1c1 JB |
1178 | { |
1179 | struct timeval wakeup, now; | |
dc6f92b8 | 1180 | |
66c30ea1 | 1181 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1182 | |
dbc4e1c1 JB |
1183 | /* Compute time to wait until, propagating carry from usecs. */ |
1184 | wakeup.tv_usec += 150000; | |
1185 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1186 | wakeup.tv_usec %= 1000000; | |
1187 | ||
1188 | /* Keep waiting until past the time wakeup. */ | |
1189 | while (1) | |
1190 | { | |
1191 | struct timeval timeout; | |
1192 | ||
66c30ea1 | 1193 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1194 | |
1195 | /* In effect, timeout = wakeup - timeout. | |
1196 | Break if result would be negative. */ | |
1197 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1198 | break; | |
1199 | ||
1200 | /* Try to wait that long--but we might wake up sooner. */ | |
1201 | select (0, 0, 0, 0, &timeout); | |
1202 | } | |
1203 | } | |
1204 | ||
1205 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
1206 | width/4, height/4, width/2, height/2); | |
1207 | XFreeGC (x_current_display, gc); | |
1208 | XFlush (x_current_display); | |
dc6f92b8 | 1209 | } |
dbc4e1c1 JB |
1210 | } |
1211 | ||
1212 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1213 | } |
1214 | ||
dbc4e1c1 JB |
1215 | #endif |
1216 | ||
1217 | ||
dc6f92b8 JB |
1218 | /* Make audible bell. */ |
1219 | ||
1220 | #ifdef HAVE_X11 | |
bc20ebbf | 1221 | #define XRINGBELL XBell (x_current_display, 0) |
c118dd06 | 1222 | #else /* ! defined (HAVE_X11) */ |
bc20ebbf | 1223 | #define XRINGBELL XFeep (0); |
c118dd06 | 1224 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1225 | |
1226 | XTring_bell () | |
1227 | { | |
5a6ef893 RS |
1228 | if (x_current_display == 0) |
1229 | return; | |
1230 | ||
dbc4e1c1 | 1231 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1232 | if (visible_bell) |
f676886a | 1233 | XTflash (selected_frame); |
dc6f92b8 | 1234 | else |
dbc4e1c1 | 1235 | #endif |
dc6f92b8 JB |
1236 | { |
1237 | BLOCK_INPUT; | |
1238 | XRINGBELL; | |
1239 | XFlushQueue (); | |
1240 | UNBLOCK_INPUT; | |
1241 | } | |
1242 | } | |
1243 | \f | |
f451eb13 JB |
1244 | /* Insert and delete character. |
1245 | These are not supposed to be used because we are supposed to turn | |
1246 | off the feature of using them. */ | |
dc6f92b8 JB |
1247 | |
1248 | static | |
1249 | XTinsert_glyphs (start, len) | |
1250 | register char *start; | |
1251 | register int len; | |
1252 | { | |
1253 | abort (); | |
1254 | } | |
1255 | ||
1256 | static | |
1257 | XTdelete_glyphs (n) | |
1258 | register int n; | |
1259 | { | |
1260 | abort (); | |
1261 | } | |
1262 | \f | |
1263 | /* Specify how many text lines, from the top of the window, | |
1264 | should be affected by insert-lines and delete-lines operations. | |
1265 | This, and those operations, are used only within an update | |
1266 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1267 | ||
1268 | static | |
1269 | XTset_terminal_window (n) | |
1270 | register int n; | |
1271 | { | |
f676886a | 1272 | if (updating_frame == 0) |
dc6f92b8 JB |
1273 | abort (); |
1274 | ||
f676886a JB |
1275 | if ((n <= 0) || (n > updating_frame->height)) |
1276 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1277 | else |
1278 | flexlines = n; | |
1279 | } | |
1280 | \f | |
f451eb13 JB |
1281 | /* Perform an insert-lines operation. |
1282 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
1283 | |
1284 | static void | |
1285 | stufflines (n) | |
1286 | register int n; | |
1287 | { | |
1288 | register int topregion, bottomregion; | |
1289 | register int length, newtop, mask; | |
f676886a JB |
1290 | register struct frame *f = updating_frame; |
1291 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1292 | |
1293 | if (curs_y >= flexlines) | |
1294 | return; | |
1295 | ||
1296 | topregion = curs_y; | |
1297 | bottomregion = flexlines - (n + 1); | |
1298 | newtop = topregion + n; | |
1299 | length = (bottomregion - topregion) + 1; | |
1300 | ||
1301 | #ifndef HAVE_X11 | |
1302 | dumpqueue (); | |
c118dd06 | 1303 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1304 | |
1305 | if ((length > 0) && (newtop <= flexlines)) | |
1306 | { | |
1307 | #ifdef HAVE_X11 | |
c118dd06 JB |
1308 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1309 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 1310 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1311 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1312 | length * f->display.x->line_height, intborder, |
12ba150f | 1313 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
1314 | #else /* ! defined (HAVE_X11) */ |
1315 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
1316 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
1317 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a | 1318 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1319 | length * f->display.x->line_height); |
dc6f92b8 JB |
1320 | /* Now we must process any ExposeRegion events that occur |
1321 | if the area being copied from is obscured. | |
1322 | We can't let it wait because further i/d operations | |
1323 | may want to copy this area to another area. */ | |
1324 | x_read_exposes (); | |
c118dd06 | 1325 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1326 | } |
1327 | ||
1328 | newtop = min (newtop, (flexlines - 1)); | |
1329 | length = newtop - topregion; | |
1330 | if (length > 0) | |
1331 | { | |
1332 | #ifdef HAVE_X11 | |
c118dd06 | 1333 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1334 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1335 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1336 | n * f->display.x->line_height, False); |
c118dd06 JB |
1337 | #else /* ! defined (HAVE_X11) */ |
1338 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1339 | intborder, |
12ba150f | 1340 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1341 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1342 | n * f->display.x->line_height, |
f676886a | 1343 | f->display.x->background_pixel); |
c118dd06 | 1344 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1345 | } |
1346 | } | |
1347 | ||
1348 | /* Perform a delete-lines operation, deleting N lines | |
1349 | at a vertical position curs_y. */ | |
1350 | ||
1351 | static void | |
1352 | scraplines (n) | |
1353 | register int n; | |
1354 | { | |
1355 | int mask; | |
f676886a JB |
1356 | register struct frame *f = updating_frame; |
1357 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1358 | |
1359 | if (curs_y >= flexlines) | |
1360 | return; | |
1361 | ||
1362 | #ifndef HAVE_X11 | |
1363 | dumpqueue (); | |
c118dd06 | 1364 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1365 | |
1366 | if ((curs_y + n) >= flexlines) | |
1367 | { | |
1368 | if (flexlines >= (curs_y + 1)) | |
1369 | { | |
1370 | #ifdef HAVE_X11 | |
c118dd06 | 1371 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1372 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a | 1373 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1374 | (flexlines - curs_y) * f->display.x->line_height, False); |
c118dd06 JB |
1375 | #else /* ! defined (HAVE_X11) */ |
1376 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 1377 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a | 1378 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1379 | (flexlines - curs_y) * f->display.x->line_height, |
f676886a | 1380 | f->display.x->background_pixel); |
c118dd06 | 1381 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1382 | } |
1383 | } | |
1384 | else | |
1385 | { | |
1386 | #ifdef HAVE_X11 | |
c118dd06 JB |
1387 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1388 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 1389 | intborder, |
12ba150f | 1390 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a | 1391 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1392 | (flexlines - (curs_y + n)) * f->display.x->line_height, |
12ba150f | 1393 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 1394 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 1395 | intborder, |
12ba150f | 1396 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1397 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1398 | n * f->display.x->line_height, False); |
c118dd06 JB |
1399 | #else /* ! defined (HAVE_X11) */ |
1400 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1401 | intborder, |
12ba150f JB |
1402 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
1403 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 1404 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1405 | (flexlines - (curs_y + n)) * f->display.x->line_height); |
dc6f92b8 JB |
1406 | /* Now we must process any ExposeRegion events that occur |
1407 | if the area being copied from is obscured. | |
1408 | We can't let it wait because further i/d operations | |
1409 | may want to copy this area to another area. */ | |
1410 | x_read_exposes (); | |
c118dd06 | 1411 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 1412 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1413 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1414 | n * f->display.x->line_height, f->display.x->background_pixel); |
c118dd06 | 1415 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1416 | } |
1417 | } | |
1418 | ||
1419 | /* Perform an insert-lines or delete-lines operation, | |
1420 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1421 | ||
1422 | XTins_del_lines (vpos, n) | |
1423 | int vpos, n; | |
1424 | { | |
f676886a | 1425 | if (updating_frame == 0) |
dc6f92b8 JB |
1426 | abort (); |
1427 | ||
90e65f07 | 1428 | /* Hide the cursor. */ |
f676886a | 1429 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1430 | |
1431 | XTcursor_to (vpos, 0); | |
1432 | ||
1433 | BLOCK_INPUT; | |
1434 | if (n >= 0) | |
1435 | stufflines (n); | |
1436 | else | |
1437 | scraplines (-n); | |
1438 | XFlushQueue (); | |
1439 | UNBLOCK_INPUT; | |
1440 | } | |
1441 | \f | |
f451eb13 | 1442 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1443 | static void clear_cursor (); |
1444 | ||
f676886a JB |
1445 | /* Output into a rectangle of an X-window (for frame F) |
1446 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1447 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1448 | ROWS and COLS are the size of the rectangle. |
1449 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1450 | |
1451 | static void | |
f676886a JB |
1452 | dumprectangle (f, left, top, cols, rows) |
1453 | struct frame *f; | |
dc6f92b8 JB |
1454 | register int left, top, cols, rows; |
1455 | { | |
f676886a | 1456 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1457 | int cursor_cleared = 0; |
1458 | int bottom, right; | |
1459 | register int y; | |
1460 | ||
f676886a | 1461 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1462 | return; |
1463 | ||
dc6f92b8 JB |
1464 | /* Express rectangle as four edges, instead of position-and-size. */ |
1465 | bottom = top + rows; | |
1466 | right = left + cols; | |
1467 | ||
1468 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1469 | { |
1470 | int intborder = f->display.x->internal_border_width; | |
1471 | ||
1472 | /* If the rectangle includes any of the internal border area, | |
1473 | redisplay the border emphasis. */ | |
1474 | if (top < intborder || left < intborder | |
a27f9f86 RS |
1475 | || bottom > intborder + f->height * f->display.x->line_height |
1476 | || right > intborder + f->width * f->display.x->line_height) | |
12ba150f JB |
1477 | dumpborder (f, 0); |
1478 | } | |
b8009dd1 | 1479 | #endif /* not HAVE_X11 Window manger does this for X11. */ |
dc6f92b8 JB |
1480 | |
1481 | /* Convert rectangle edges in pixels to edges in chars. | |
1482 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1483 | top = PIXEL_TO_CHAR_ROW (f, top); |
1484 | left = PIXEL_TO_CHAR_COL (f, left); | |
a27f9f86 | 1485 | bottom += (f->display.x->line_height - 1); |
f676886a | 1486 | right += (FONT_WIDTH (f->display.x->font) - 1); |
12ba150f JB |
1487 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1488 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1489 | |
1490 | /* Clip the rectangle to what can be visible. */ | |
1491 | if (left < 0) | |
1492 | left = 0; | |
1493 | if (top < 0) | |
1494 | top = 0; | |
f676886a JB |
1495 | if (right > f->width) |
1496 | right = f->width; | |
1497 | if (bottom > f->height) | |
1498 | bottom = f->height; | |
dc6f92b8 JB |
1499 | |
1500 | /* Get size in chars of the rectangle. */ | |
1501 | cols = right - left; | |
1502 | rows = bottom - top; | |
1503 | ||
1504 | /* If rectangle has zero area, return. */ | |
1505 | if (rows <= 0) return; | |
1506 | if (cols <= 0) return; | |
1507 | ||
1508 | /* Turn off the cursor if it is in the rectangle. | |
1509 | We will turn it back on afterward. */ | |
f676886a JB |
1510 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1511 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1512 | { |
f676886a | 1513 | clear_cursor (f); |
dc6f92b8 JB |
1514 | cursor_cleared = 1; |
1515 | } | |
1516 | ||
1517 | /* Display the text in the rectangle, one text line at a time. */ | |
1518 | ||
1519 | for (y = top; y < bottom; y++) | |
1520 | { | |
f676886a | 1521 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1522 | |
f676886a | 1523 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1524 | continue; |
1525 | ||
f676886a | 1526 | dumpglyphs (f, |
12ba150f JB |
1527 | CHAR_TO_PIXEL_COL (f, left), |
1528 | CHAR_TO_PIXEL_ROW (f, y), | |
1529 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1530 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1531 | } |
1532 | ||
1533 | /* Turn the cursor on if we turned it off. */ | |
1534 | ||
1535 | if (cursor_cleared) | |
f676886a | 1536 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1537 | } |
1538 | ||
1539 | #ifndef HAVE_X11 | |
1540 | /* Process all queued ExposeRegion events. */ | |
1541 | ||
1542 | static void | |
1543 | dumpqueue () | |
1544 | { | |
1545 | register int i; | |
1546 | XExposeRegionEvent r; | |
1547 | ||
1548 | while (dequeue_event (&r, &x_expose_queue)) | |
1549 | { | |
f676886a JB |
1550 | struct frame *f = x_window_to_frame (r.window); |
1551 | if (f->display.x->icon_desc == r.window) | |
1552 | refreshicon (f); | |
dc6f92b8 | 1553 | else |
f676886a | 1554 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1555 | } |
1556 | XFlushQueue (); | |
1557 | } | |
c118dd06 | 1558 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1559 | \f |
f451eb13 | 1560 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1561 | Redraws the cursor if necessary on any frame that |
1562 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1563 | |
f451eb13 | 1564 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1565 | static void |
1566 | x_do_pending_expose () | |
1567 | { | |
1568 | int mask; | |
f676886a JB |
1569 | struct frame *f; |
1570 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1571 | |
1572 | if (expose_all_windows) | |
1573 | { | |
1574 | expose_all_windows = 0; | |
f676886a | 1575 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1576 | { |
1577 | register int temp_width, temp_height; | |
1578 | int intborder; | |
1579 | ||
f676886a | 1580 | frame = XCONS (tail)->car; |
ab648270 | 1581 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1582 | continue; |
f676886a | 1583 | f = XFRAME (frame); |
b1c884c3 | 1584 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1585 | continue; |
3a88c238 | 1586 | if (!f->async_visible) |
dc6f92b8 | 1587 | continue; |
f676886a | 1588 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1589 | continue; |
1590 | ||
f676886a | 1591 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1592 | |
f676886a | 1593 | clear_cursor (f); |
c118dd06 | 1594 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1595 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1596 | - f->display.x->v_scroll_bar_width) |
f676886a | 1597 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1598 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1599 | - f->display.x->h_scroll_bar_height) |
a27f9f86 | 1600 | / f->display.x->line_height); |
f676886a | 1601 | if (temp_width != f->width || temp_height != f->height) |
dc6f92b8 | 1602 | { |
f676886a | 1603 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1604 | max (1, temp_width), 0, 1); |
ab648270 | 1605 | x_resize_scroll_bars (f); |
dc6f92b8 | 1606 | } |
f676886a JB |
1607 | f->display.x->left_pos = windowinfo.x; |
1608 | f->display.x->top_pos = windowinfo.y; | |
1609 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1610 | #if 0 |
f676886a | 1611 | dumpborder (f, 0); |
c118dd06 | 1612 | #endif /* ! 0 */ |
f676886a JB |
1613 | f->display.x->needs_exposure = 0; |
1614 | if (updating_frame != f) | |
1615 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1616 | XFlushQueue (); |
1617 | } | |
1618 | } | |
1619 | else | |
1620 | /* Handle any individual-rectangle expose events queued | |
1621 | for various windows. */ | |
1622 | #ifdef HAVE_X11 | |
1623 | ; | |
c118dd06 | 1624 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1625 | dumpqueue (); |
c118dd06 | 1626 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1627 | } |
f451eb13 | 1628 | #endif |
dc6f92b8 JB |
1629 | |
1630 | #ifdef HAVE_X11 | |
1631 | static void | |
f676886a JB |
1632 | frame_highlight (frame) |
1633 | struct frame *frame; | |
dc6f92b8 | 1634 | { |
b3e1e05c JB |
1635 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1636 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1637 | and border pixel are window attributes which are "private to the | |
1638 | client", so we can always change it to whatever we want. */ | |
1639 | BLOCK_INPUT; | |
1640 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), | |
1641 | frame->display.x->border_pixel); | |
1642 | UNBLOCK_INPUT; | |
f676886a | 1643 | x_display_cursor (frame, 1); |
dc6f92b8 JB |
1644 | } |
1645 | ||
1646 | static void | |
f676886a JB |
1647 | frame_unhighlight (frame) |
1648 | struct frame *frame; | |
dc6f92b8 | 1649 | { |
b3e1e05c JB |
1650 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1651 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1652 | and border pixel are window attributes which are "private to the | |
1653 | client", so we can always change it to whatever we want. */ | |
1654 | BLOCK_INPUT; | |
1655 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), | |
1656 | frame->display.x->border_tile); | |
1657 | UNBLOCK_INPUT; | |
f676886a | 1658 | x_display_cursor (frame, 1); |
dc6f92b8 | 1659 | } |
c118dd06 | 1660 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1661 | /* Dump the border-emphasis of frame F. |
1662 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1663 | just within the border, occupying a portion of the internal border. |
f676886a | 1664 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1665 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1666 | ||
f676886a | 1667 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1668 | In that case, we also turn the cursor off and on again |
1669 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1670 | ||
1671 | static void | |
f676886a JB |
1672 | dumpborder (f, always) |
1673 | struct frame *f; | |
dc6f92b8 JB |
1674 | int always; |
1675 | { | |
f676886a JB |
1676 | int thickness = f->display.x->internal_border_width / 2; |
1677 | int width = PIXEL_WIDTH (f); | |
1678 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1679 | int pixel; |
1680 | ||
f676886a | 1681 | if (f != selected_frame) |
dc6f92b8 JB |
1682 | { |
1683 | if (!always) | |
1684 | return; | |
1685 | ||
f676886a | 1686 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1687 | } |
1688 | else | |
1689 | { | |
f676886a | 1690 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1691 | } |
1692 | ||
c118dd06 JB |
1693 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1694 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1695 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1696 | thickness, pixel); |
c118dd06 | 1697 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1698 | height, pixel); |
1699 | ||
1700 | if (always) | |
f676886a | 1701 | x_display_cursor (f, 1); |
dc6f92b8 | 1702 | } |
c118dd06 | 1703 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1704 | |
f676886a | 1705 | static void XTframe_rehighlight (); |
6d4238f3 | 1706 | |
f676886a JB |
1707 | /* The focus has changed. Update the frames as necessary to reflect |
1708 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1709 | here, because the lisp code we are interrupting might become confused. |
eb8c3be9 | 1710 | Each event gets marked with the frame in which it occurred, so the |
6d4238f3 | 1711 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1712 | |
6d4238f3 | 1713 | static void |
f676886a JB |
1714 | x_new_focus_frame (frame) |
1715 | struct frame *frame; | |
dc6f92b8 | 1716 | { |
f676886a | 1717 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1718 | int events_enqueued = 0; |
1719 | ||
f676886a | 1720 | if (frame != x_focus_frame) |
dc6f92b8 | 1721 | { |
6d4238f3 | 1722 | /* Set this before calling other routines, so that they see |
f676886a JB |
1723 | the correct value of x_focus_frame. */ |
1724 | x_focus_frame = frame; | |
6d4238f3 JB |
1725 | |
1726 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1727 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1728 | |
1729 | #if 0 | |
f676886a JB |
1730 | selected_frame = frame; |
1731 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1732 | Lisp_Frame, selected_frame); | |
1733 | Fselect_window (selected_frame->selected_window); | |
1734 | choose_minibuf_frame (); | |
c118dd06 | 1735 | #endif /* ! 0 */ |
dc6f92b8 | 1736 | |
f676886a | 1737 | if (x_focus_frame && x_focus_frame->auto_raise) |
0134a210 RS |
1738 | pending_autoraise_frame = x_focus_frame; |
1739 | else | |
1740 | pending_autoraise_frame = 0; | |
6d4238f3 | 1741 | } |
dc6f92b8 | 1742 | |
f676886a | 1743 | XTframe_rehighlight (); |
6d4238f3 JB |
1744 | } |
1745 | ||
1746 | ||
f451eb13 JB |
1747 | /* The focus has changed, or we have redirected a frame's focus to |
1748 | another frame (this happens when a frame uses a surrogate | |
1749 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1750 | static void |
f676886a | 1751 | XTframe_rehighlight () |
6d4238f3 | 1752 | { |
f676886a | 1753 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1754 | |
f676886a | 1755 | if (x_focus_frame) |
6d4238f3 | 1756 | { |
f451eb13 | 1757 | x_highlight_frame = |
ab648270 | 1758 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1759 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1760 | : x_focus_frame); | |
1761 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1762 | { | |
1763 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1764 | x_highlight_frame = x_focus_frame; | |
1765 | } | |
dc6f92b8 | 1766 | } |
6d4238f3 | 1767 | else |
f676886a | 1768 | x_highlight_frame = 0; |
dc6f92b8 | 1769 | |
f676886a | 1770 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1771 | { |
1772 | if (old_highlight) | |
f676886a JB |
1773 | frame_unhighlight (old_highlight); |
1774 | if (x_highlight_frame) | |
1775 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1776 | } |
dc6f92b8 JB |
1777 | } |
1778 | \f | |
e4571a43 | 1779 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1780 | |
28430d3c JB |
1781 | /* Which modifier keys are on which modifier bits? |
1782 | ||
1783 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1784 | keys were held down when the key was pressed. The interpretation |
1785 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1786 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1787 | is the meta bit. | |
1788 | ||
1789 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1790 | It may have more than one bit set, if more than one modifier bit | |
1791 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1792 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1793 | ||
1794 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1795 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1796 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1797 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1798 | arrangement, the lock modifier should shift the character if | |
1799 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1800 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1801 | |
a3c44b14 RS |
1802 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1803 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1804 | ||
28430d3c JB |
1805 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1806 | static void | |
1807 | x_find_modifier_meanings () | |
1808 | { | |
f689eb05 | 1809 | int min_code, max_code; |
28430d3c JB |
1810 | KeySym *syms; |
1811 | int syms_per_code; | |
1812 | XModifierKeymap *mods; | |
1813 | ||
1814 | x_meta_mod_mask = 0; | |
11edeb03 | 1815 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1816 | x_alt_mod_mask = 0; |
1817 | x_super_mod_mask = 0; | |
1818 | x_hyper_mod_mask = 0; | |
28430d3c | 1819 | |
9658a521 | 1820 | #ifdef HAVE_X11R4 |
28430d3c | 1821 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1822 | #else |
1823 | min_code = x_current_display->min_keycode; | |
1824 | max_code = x_current_display->max_keycode; | |
1825 | #endif | |
1826 | ||
28430d3c JB |
1827 | syms = XGetKeyboardMapping (x_current_display, |
1828 | min_code, max_code - min_code + 1, | |
1829 | &syms_per_code); | |
1830 | mods = XGetModifierMapping (x_current_display); | |
1831 | ||
11edeb03 JB |
1832 | /* Scan the modifier table to see which modifier bits the Meta and |
1833 | Alt keysyms are on. */ | |
28430d3c JB |
1834 | { |
1835 | int row, col; /* The row and column in the modifier table. */ | |
1836 | ||
1837 | for (row = 3; row < 8; row++) | |
1838 | for (col = 0; col < mods->max_keypermod; col++) | |
1839 | { | |
1840 | KeyCode code = | |
1841 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1842 | ||
af92970c KH |
1843 | /* Zeroes are used for filler. Skip them. */ |
1844 | if (code == 0) | |
1845 | continue; | |
1846 | ||
28430d3c JB |
1847 | /* Are any of this keycode's keysyms a meta key? */ |
1848 | { | |
1849 | int code_col; | |
1850 | ||
1851 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1852 | { | |
f689eb05 | 1853 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1854 | |
f689eb05 | 1855 | switch (sym) |
28430d3c | 1856 | { |
f689eb05 JB |
1857 | case XK_Meta_L: |
1858 | case XK_Meta_R: | |
28430d3c JB |
1859 | x_meta_mod_mask |= (1 << row); |
1860 | break; | |
f689eb05 JB |
1861 | |
1862 | case XK_Alt_L: | |
1863 | case XK_Alt_R: | |
a3c44b14 RS |
1864 | x_alt_mod_mask |= (1 << row); |
1865 | break; | |
1866 | ||
1867 | case XK_Hyper_L: | |
1868 | case XK_Hyper_R: | |
1869 | x_hyper_mod_mask |= (1 << row); | |
1870 | break; | |
1871 | ||
1872 | case XK_Super_L: | |
1873 | case XK_Super_R: | |
1874 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1875 | break; |
11edeb03 JB |
1876 | |
1877 | case XK_Shift_Lock: | |
1878 | /* Ignore this if it's not on the lock modifier. */ | |
1879 | if ((1 << row) == LockMask) | |
1880 | x_shift_lock_mask = LockMask; | |
1881 | break; | |
28430d3c JB |
1882 | } |
1883 | } | |
1884 | } | |
1885 | } | |
1886 | } | |
1887 | ||
f689eb05 JB |
1888 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1889 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1890 | { |
1891 | x_meta_mod_mask = x_alt_mod_mask; | |
1892 | x_alt_mod_mask = 0; | |
1893 | } | |
f689eb05 | 1894 | |
148c4b70 RS |
1895 | /* If some keys are both alt and meta, |
1896 | make them just meta, not alt. */ | |
1897 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1898 | { | |
1899 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1900 | } | |
1901 | ||
28430d3c | 1902 | XFree ((char *) syms); |
f689eb05 | 1903 | XFreeModifiermap (mods); |
28430d3c JB |
1904 | } |
1905 | ||
dfeccd2d JB |
1906 | /* Convert between the modifier bits X uses and the modifier bits |
1907 | Emacs uses. */ | |
7c5283e4 | 1908 | static unsigned int |
dfeccd2d | 1909 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1910 | unsigned int state; |
1911 | { | |
11edeb03 JB |
1912 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1913 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1914 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1915 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1916 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1917 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1918 | } |
1919 | ||
dfeccd2d JB |
1920 | static unsigned int |
1921 | x_emacs_to_x_modifiers (state) | |
1922 | unsigned int state; | |
1923 | { | |
1924 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1925 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1926 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1927 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1928 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1929 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1930 | } | |
e4571a43 JB |
1931 | \f |
1932 | /* Mouse clicks and mouse movement. Rah. */ | |
1933 | #ifdef HAVE_X11 | |
1934 | ||
1935 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1936 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1937 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1938 | If NOCLIP is nonzero, do not force the value into range. */ | |
1939 | ||
c8dba240 | 1940 | void |
69388238 | 1941 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1942 | FRAME_PTR f; |
69388238 | 1943 | register int pix_x, pix_y; |
e4571a43 JB |
1944 | register int *x, *y; |
1945 | XRectangle *bounds; | |
69388238 | 1946 | int noclip; |
e4571a43 | 1947 | { |
69388238 RS |
1948 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1949 | even for negative values. */ | |
1950 | if (pix_x < 0) | |
1951 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1952 | if (pix_y < 0) | |
a27f9f86 | 1953 | pix_y -= (f)->display.x->line_height - 1; |
69388238 | 1954 | |
e4571a43 JB |
1955 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1956 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1957 | ||
1958 | if (bounds) | |
1959 | { | |
1960 | bounds->width = FONT_WIDTH (f->display.x->font); | |
a27f9f86 | 1961 | bounds->height = f->display.x->line_height; |
e4571a43 JB |
1962 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1963 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1964 | } | |
1965 | ||
69388238 RS |
1966 | if (!noclip) |
1967 | { | |
1968 | if (pix_x < 0) | |
1969 | pix_x = 0; | |
1970 | else if (pix_x > f->width) | |
1971 | pix_x = f->width; | |
1972 | ||
1973 | if (pix_y < 0) | |
1974 | pix_y = 0; | |
1975 | else if (pix_y > f->height) | |
1976 | pix_y = f->height; | |
1977 | } | |
e4571a43 JB |
1978 | |
1979 | *x = pix_x; | |
1980 | *y = pix_y; | |
1981 | } | |
1982 | ||
2b5c9e71 RS |
1983 | void |
1984 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1985 | FRAME_PTR f; | |
1986 | register int x, y; | |
1987 | register int *pix_x, *pix_y; | |
1988 | { | |
1989 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1990 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1991 | } | |
1992 | ||
dc6f92b8 JB |
1993 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1994 | ||
1995 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1996 | the mouse. */ |
dc6f92b8 JB |
1997 | |
1998 | static Lisp_Object | |
f451eb13 | 1999 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
2000 | struct input_event *result; |
2001 | XButtonEvent *event; | |
f676886a | 2002 | struct frame *f; |
dc6f92b8 | 2003 | { |
f451eb13 | 2004 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 2005 | otherwise. */ |
f451eb13 | 2006 | result->kind = mouse_click; |
69388238 | 2007 | result->code = event->button - Button1; |
1113d9db | 2008 | result->timestamp = event->time; |
dfeccd2d | 2009 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
2010 | | (event->type == ButtonRelease |
2011 | ? up_modifier | |
2012 | : down_modifier)); | |
dc6f92b8 JB |
2013 | |
2014 | /* Notice if the mouse is still grabbed. */ | |
2015 | if (event->type == ButtonPress) | |
2016 | { | |
2017 | if (! x_mouse_grabbed) | |
2018 | Vmouse_depressed = Qt; | |
90e65f07 | 2019 | x_mouse_grabbed |= (1 << event->button); |
69388238 | 2020 | last_mouse_frame = f; |
dc6f92b8 JB |
2021 | } |
2022 | else if (event->type == ButtonRelease) | |
2023 | { | |
90e65f07 | 2024 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
2025 | if (!x_mouse_grabbed) |
2026 | Vmouse_depressed = Qnil; | |
2027 | } | |
2028 | ||
f451eb13 JB |
2029 | { |
2030 | int row, column; | |
dc6f92b8 | 2031 | |
2b5c9e71 | 2032 | #if 0 |
69388238 | 2033 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
f451eb13 JB |
2034 | XFASTINT (result->x) = column; |
2035 | XFASTINT (result->y) = row; | |
2b5c9e71 | 2036 | #endif |
09fe4c31 RS |
2037 | XSET (result->x, Lisp_Int, event->x); |
2038 | XSET (result->y, Lisp_Int, event->y); | |
12ba150f | 2039 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 2040 | } |
dc6f92b8 | 2041 | } |
b849c413 RS |
2042 | |
2043 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
2044 | ||
2045 | static Lisp_Object | |
2046 | construct_menu_click (result, event, f) | |
2047 | struct input_event *result; | |
2048 | XButtonEvent *event; | |
2049 | struct frame *f; | |
2050 | { | |
2051 | /* Make the event type no_event; we'll change that when we decide | |
2052 | otherwise. */ | |
2053 | result->kind = mouse_click; | |
2054 | XSET (result->code, Lisp_Int, event->button - Button1); | |
2055 | result->timestamp = event->time; | |
2056 | result->modifiers = (x_x_to_emacs_modifiers (event->state) | |
2057 | | (event->type == ButtonRelease | |
2058 | ? up_modifier | |
2059 | : down_modifier)); | |
2060 | ||
09fe4c31 RS |
2061 | XSET (result->x, Lisp_Int, event->x); |
2062 | XSET (result->y, Lisp_Int, -1); | |
c8dba240 | 2063 | XSET (result->frame_or_window, Lisp_Frame, f); |
b849c413 | 2064 | } |
69388238 | 2065 | \f |
90e65f07 JB |
2066 | /* Function to report a mouse movement to the mainstream Emacs code. |
2067 | The input handler calls this. | |
2068 | ||
2069 | We have received a mouse movement event, which is given in *event. | |
2070 | If the mouse is over a different glyph than it was last time, tell | |
2071 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
2072 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 2073 | |
90e65f07 | 2074 | static void |
12ba150f | 2075 | note_mouse_movement (frame, event) |
f676886a | 2076 | FRAME_PTR frame; |
90e65f07 JB |
2077 | XMotionEvent *event; |
2078 | ||
2079 | { | |
e5d77022 JB |
2080 | last_mouse_movement_time = event->time; |
2081 | ||
27f338af RS |
2082 | if (event->window != FRAME_X_WINDOW (frame)) |
2083 | { | |
2084 | mouse_moved = 1; | |
2085 | last_mouse_scroll_bar = Qnil; | |
2086 | ||
2087 | note_mouse_highlight (frame, -1, -1); | |
2088 | ||
2089 | /* Ask for another mouse motion event. */ | |
2090 | { | |
2091 | int dummy; | |
2092 | ||
2093 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), | |
2094 | (Window *) &dummy, (Window *) &dummy, | |
2095 | &dummy, &dummy, &dummy, &dummy, | |
2096 | (unsigned int *) &dummy); | |
2097 | } | |
2098 | } | |
2099 | ||
90e65f07 | 2100 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
2101 | else if (event->x < last_mouse_glyph.x |
2102 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
2103 | || event->y < last_mouse_glyph.y | |
2104 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
2105 | { |
2106 | mouse_moved = 1; | |
ab648270 | 2107 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
2108 | |
2109 | note_mouse_highlight (frame, event->x, event->y); | |
2110 | ||
2111 | /* Ask for another mouse motion event. */ | |
2112 | { | |
2113 | int dummy; | |
2114 | ||
27f338af | 2115 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
b8009dd1 RS |
2116 | (Window *) &dummy, (Window *) &dummy, |
2117 | &dummy, &dummy, &dummy, &dummy, | |
2118 | (unsigned int *) &dummy); | |
2119 | } | |
12ba150f | 2120 | } |
90e65f07 JB |
2121 | else |
2122 | { | |
2123 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
2124 | event the next time the mouse moves and we can see if it's | |
2125 | *still* on the same glyph. */ | |
2126 | int dummy; | |
2127 | ||
27f338af | 2128 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
90e65f07 JB |
2129 | (Window *) &dummy, (Window *) &dummy, |
2130 | &dummy, &dummy, &dummy, &dummy, | |
2131 | (unsigned int *) &dummy); | |
2132 | } | |
2133 | } | |
2134 | ||
bf1c0ba1 RS |
2135 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
2136 | static int disable_mouse_highlight; | |
2137 | ||
b8009dd1 RS |
2138 | /* Take proper action when the mouse has moved to position X, Y on frame F |
2139 | as regards highlighting characters that have mouse-face properties. | |
27f338af RS |
2140 | Also dehighlighting chars where the mouse was before. |
2141 | X and Y can be negative or out of range. */ | |
b8009dd1 RS |
2142 | |
2143 | static void | |
2144 | note_mouse_highlight (f, x, y) | |
2145 | FRAME_PTR f; | |
2146 | { | |
2147 | int row, column, portion; | |
2148 | XRectangle new_glyph; | |
2149 | Lisp_Object window; | |
2150 | struct window *w; | |
2151 | ||
bf1c0ba1 RS |
2152 | if (disable_mouse_highlight) |
2153 | return; | |
2154 | ||
b8009dd1 RS |
2155 | mouse_face_mouse_x = x; |
2156 | mouse_face_mouse_y = y; | |
2157 | mouse_face_mouse_frame = f; | |
2158 | ||
2159 | if (mouse_face_defer) | |
2160 | return; | |
2161 | ||
514e4681 RS |
2162 | if (gc_in_progress) |
2163 | { | |
2164 | mouse_face_deferred_gc = 1; | |
2165 | return; | |
2166 | } | |
2167 | ||
b8009dd1 RS |
2168 | /* Find out which glyph the mouse is on. */ |
2169 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
2170 | &new_glyph, x_mouse_grabbed); | |
2171 | ||
2172 | /* Which window is that in? */ | |
2173 | window = window_from_coordinates (f, column, row, &portion); | |
2174 | w = XWINDOW (window); | |
2175 | ||
2176 | /* If we were displaying active text in another window, clear that. */ | |
2177 | if (! EQ (window, mouse_face_window)) | |
2178 | clear_mouse_face (); | |
2179 | ||
0cdd0c9f RS |
2180 | /* Are we in a window whose display is up to date? |
2181 | And verify the buffer's text has not changed. */ | |
27f338af RS |
2182 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
2183 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
0cdd0c9f RS |
2184 | && EQ (w->window_end_valid, w->buffer) |
2185 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
2186 | { |
2187 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
2188 | int i, pos; | |
2189 | ||
2190 | /* Find which buffer position the mouse corresponds to. */ | |
2191 | for (i = column; i >= 0; i--) | |
2192 | if (ptr[i] > 0) | |
2193 | break; | |
2194 | pos = ptr[i]; | |
2195 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 KH |
2196 | if (pos <= 0) |
2197 | clear_mouse_face (); | |
2198 | else if (! (EQ (window, mouse_face_window) | |
3b506386 KH |
2199 | && row >= mouse_face_beg_row |
2200 | && row <= mouse_face_end_row | |
2201 | && (row > mouse_face_beg_row || column >= mouse_face_beg_col) | |
4d73d038 RS |
2202 | && (row < mouse_face_end_row || column < mouse_face_end_col |
2203 | || mouse_face_past_end))) | |
b8009dd1 RS |
2204 | { |
2205 | Lisp_Object mouse_face, overlay, position; | |
2206 | Lisp_Object *overlay_vec; | |
2207 | int len, noverlays, ignor1; | |
f8bdb8e6 | 2208 | struct buffer *obuf; |
e444162e | 2209 | int obegv, ozv; |
f8bdb8e6 | 2210 | |
e444162e RS |
2211 | /* If we get an out-of-range value, return now; avoid an error. */ |
2212 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 2213 | return; |
b8009dd1 | 2214 | |
09fe4c31 RS |
2215 | /* Make the window's buffer temporarily current for |
2216 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 2217 | obuf = current_buffer; |
09fe4c31 | 2218 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
2219 | obegv = BEGV; |
2220 | ozv = ZV; | |
2221 | BEGV = BEG; | |
2222 | ZV = Z; | |
09fe4c31 | 2223 | |
b8009dd1 RS |
2224 | /* Yes. Clear the display of the old active region, if any. */ |
2225 | clear_mouse_face (); | |
2226 | ||
2227 | /* Is this char mouse-active? */ | |
2228 | XSET (position, Lisp_Int, pos); | |
2229 | ||
2230 | len = 10; | |
2231 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
2232 | ||
2233 | /* Put all the overlays we want in a vector in overlay_vec. | |
2234 | Store the length in len. */ | |
2235 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, &ignor1); | |
09fe4c31 | 2236 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
2237 | |
2238 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
2239 | overlay = Qnil; | |
2240 | for (i = 0; i < noverlays; i++) | |
2241 | { | |
2242 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2243 | if (!NILP (mouse_face)) | |
2244 | { | |
2245 | overlay = overlay_vec[i]; | |
2246 | break; | |
2247 | } | |
2248 | } | |
2249 | free (overlay_vec); | |
2250 | /* If no overlay applies, get a text property. */ | |
2251 | if (NILP (overlay)) | |
2252 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
2253 | ||
2254 | /* Handle the overlay case. */ | |
2255 | if (! NILP (overlay)) | |
2256 | { | |
2257 | /* Find the range of text around this char that | |
2258 | should be active. */ | |
2259 | Lisp_Object before, after; | |
2260 | int ignore; | |
2261 | ||
2262 | before = Foverlay_start (overlay); | |
2263 | after = Foverlay_end (overlay); | |
2264 | /* Record this as the current active region. */ | |
4d73d038 RS |
2265 | fast_find_position (window, before, &mouse_face_beg_col, |
2266 | &mouse_face_beg_row); | |
2267 | mouse_face_past_end | |
2268 | = !fast_find_position (window, after, &mouse_face_end_col, | |
2269 | &mouse_face_end_row); | |
b8009dd1 RS |
2270 | mouse_face_window = window; |
2271 | mouse_face_face_id = compute_char_face (f, w, pos, 0, 0, | |
2272 | &ignore, pos + 1, 1); | |
2273 | ||
2274 | /* Display it as active. */ | |
2275 | show_mouse_face (1); | |
2276 | } | |
2277 | /* Handle the text property case. */ | |
2278 | else if (! NILP (mouse_face)) | |
2279 | { | |
2280 | /* Find the range of text around this char that | |
2281 | should be active. */ | |
2282 | Lisp_Object before, after, beginning, end; | |
2283 | int ignore; | |
2284 | ||
2285 | beginning = Fmarker_position (w->start); | |
2286 | XSET (end, Lisp_Int, | |
09fe4c31 | 2287 | (BUF_Z (XBUFFER (w->buffer)) |
b8009dd1 RS |
2288 | - XFASTINT (w->window_end_pos))); |
2289 | before | |
2290 | = Fprevious_single_property_change (make_number (pos + 1), | |
2291 | Qmouse_face, | |
2292 | w->buffer, beginning); | |
2293 | after | |
2294 | = Fnext_single_property_change (position, Qmouse_face, | |
2295 | w->buffer, end); | |
2296 | /* Record this as the current active region. */ | |
4d73d038 RS |
2297 | fast_find_position (window, before, &mouse_face_beg_col, |
2298 | &mouse_face_beg_row); | |
2299 | mouse_face_past_end | |
2300 | = !fast_find_position (window, after, &mouse_face_end_col, | |
2301 | &mouse_face_end_row); | |
b8009dd1 RS |
2302 | mouse_face_window = window; |
2303 | mouse_face_face_id | |
2304 | = compute_char_face (f, w, pos, 0, 0, | |
2305 | &ignore, pos + 1, 1); | |
2306 | ||
2307 | /* Display it as active. */ | |
2308 | show_mouse_face (1); | |
2309 | } | |
e444162e RS |
2310 | BEGV = obegv; |
2311 | ZV = ozv; | |
09fe4c31 | 2312 | current_buffer = obuf; |
b8009dd1 | 2313 | } |
b8009dd1 RS |
2314 | } |
2315 | } | |
2316 | \f | |
2317 | /* Find the row and column of position POS in window WINDOW. | |
2318 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2319 | This assumes display in WINDOW is up to date. |
2320 | If POS is above start of WINDOW, return coords | |
2321 | of start of first screen line. | |
4d73d038 RS |
2322 | If POS is after end of WINDOW, return coords of end of last screen line. |
2323 | ||
2324 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
b8009dd1 RS |
2325 | |
2326 | static int | |
2327 | fast_find_position (window, pos, columnp, rowp) | |
2328 | Lisp_Object window; | |
2329 | int pos; | |
2330 | int *columnp, *rowp; | |
2331 | { | |
2332 | struct window *w = XWINDOW (window); | |
2333 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2334 | int i; | |
4d73d038 | 2335 | int row = 0; |
b8009dd1 RS |
2336 | int left = w->left; |
2337 | int top = w->top; | |
2338 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2339 | int width = window_internal_width (w); | |
2340 | int *charstarts; | |
bf1c0ba1 | 2341 | int lastcol; |
b8009dd1 | 2342 | |
4d73d038 | 2343 | /* Find the right row. */ |
b8009dd1 RS |
2344 | for (i = 0; |
2345 | i < height; | |
2346 | i++) | |
2347 | { | |
2348 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2349 | if (linestart > pos) | |
2350 | break; | |
2351 | if (linestart > 0) | |
2352 | row = i; | |
2353 | } | |
2354 | ||
4d73d038 | 2355 | /* Find the right column with in it. */ |
b8009dd1 | 2356 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
bf1c0ba1 | 2357 | lastcol = left; |
b8009dd1 | 2358 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2359 | { |
2360 | if (charstarts[left + i] == pos) | |
2361 | { | |
2362 | *rowp = row + top; | |
2363 | *columnp = i + left; | |
2364 | return 1; | |
2365 | } | |
2366 | else if (charstarts[left + i] > pos) | |
4d73d038 RS |
2367 | break; |
2368 | else if (charstarts[left + i] > 0) | |
bf1c0ba1 RS |
2369 | lastcol = left + i; |
2370 | } | |
b8009dd1 | 2371 | |
bf1c0ba1 RS |
2372 | *rowp = row + top; |
2373 | *columnp = lastcol; | |
b8009dd1 RS |
2374 | return 0; |
2375 | } | |
2376 | ||
2377 | /* Display the active region described by mouse_face_* | |
2378 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2379 | ||
2380 | static void | |
2381 | show_mouse_face (hl) | |
2382 | int hl; | |
2383 | { | |
b8009dd1 RS |
2384 | struct window *w = XWINDOW (mouse_face_window); |
2385 | int width = window_internal_width (w); | |
2386 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2387 | int i; | |
514e4681 RS |
2388 | int curs_x = f->phys_cursor_x; |
2389 | int curs_y = f->phys_cursor_y; | |
2390 | int cursor_off = 0; | |
b8009dd1 | 2391 | |
3b506386 | 2392 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) |
b8009dd1 | 2393 | { |
3b506386 KH |
2394 | int column = (i == mouse_face_beg_row ? mouse_face_beg_col : w->left); |
2395 | int endcolumn = (i == mouse_face_end_row ? mouse_face_end_col : w->left + width); | |
6f4c2453 | 2396 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i]); |
514e4681 RS |
2397 | |
2398 | /* If the cursor's in the text we are about to rewrite, | |
2399 | turn the cursor off. */ | |
2400 | if (i == curs_y | |
3b506386 | 2401 | && curs_x >= mouse_face_beg_col - 1 && curs_x <= mouse_face_end_col) |
514e4681 RS |
2402 | { |
2403 | x_display_cursor (f, 0); | |
2404 | cursor_off = 1; | |
2405 | } | |
b8009dd1 RS |
2406 | |
2407 | dumpglyphs (f, | |
2408 | CHAR_TO_PIXEL_COL (f, column), | |
2409 | CHAR_TO_PIXEL_ROW (f, i), | |
2410 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2411 | endcolumn - column, | |
2412 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2413 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2414 | } |
2415 | ||
514e4681 RS |
2416 | /* If we turned the cursor off, turn it back on. */ |
2417 | if (cursor_off) | |
2418 | x_display_cursor (f, 1); | |
27ead1d5 FP |
2419 | |
2420 | /* Change the mouse cursor according to the value of HL. */ | |
2421 | if (hl > 0) | |
2422 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->cross_cursor); | |
2423 | else | |
2424 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->text_cursor); | |
b8009dd1 RS |
2425 | } |
2426 | ||
2427 | /* Clear out the mouse-highlighted active region. | |
2428 | Redraw it unhighlighted first. */ | |
2429 | ||
2430 | static void | |
2431 | clear_mouse_face () | |
2432 | { | |
2433 | if (! NILP (mouse_face_window)) | |
2434 | show_mouse_face (0); | |
2435 | ||
3b506386 KH |
2436 | mouse_face_beg_row = mouse_face_beg_col = -1; |
2437 | mouse_face_end_row = mouse_face_end_col = -1; | |
b8009dd1 RS |
2438 | mouse_face_window = Qnil; |
2439 | } | |
2440 | \f | |
ab648270 JB |
2441 | static struct scroll_bar *x_window_to_scroll_bar (); |
2442 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2443 | |
90e65f07 JB |
2444 | /* Return the current position of the mouse. |
2445 | ||
ab648270 JB |
2446 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
2447 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 2448 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2449 | position on the scroll bar. |
12ba150f JB |
2450 | |
2451 | If the mouse movement started elsewhere, set *f to the frame the | |
2452 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2453 | the mouse is over. | |
2454 | ||
2455 | Set *time to the server timestamp for the time at which the mouse | |
2456 | was at this position. | |
2457 | ||
a135645a RS |
2458 | Don't store anything if we don't have a valid set of values to report. |
2459 | ||
90e65f07 | 2460 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2461 | movement. This also calls XQueryPointer, which will cause the |
2462 | server to give us another MotionNotify when the mouse moves | |
2463 | again. */ | |
90e65f07 JB |
2464 | |
2465 | static void | |
12ba150f | 2466 | XTmouse_position (f, bar_window, part, x, y, time) |
472895ad | 2467 | FRAME_PTR *f; |
12ba150f | 2468 | Lisp_Object *bar_window; |
ab648270 | 2469 | enum scroll_bar_part *part; |
90e65f07 | 2470 | Lisp_Object *x, *y; |
e5d77022 | 2471 | unsigned long *time; |
90e65f07 | 2472 | { |
a135645a RS |
2473 | FRAME_PTR f1; |
2474 | ||
90e65f07 JB |
2475 | BLOCK_INPUT; |
2476 | ||
ab648270 JB |
2477 | if (! NILP (last_mouse_scroll_bar)) |
2478 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
2479 | else |
2480 | { | |
12ba150f JB |
2481 | Window root; |
2482 | int root_x, root_y; | |
90e65f07 | 2483 | |
12ba150f JB |
2484 | Window dummy_window; |
2485 | int dummy; | |
2486 | ||
2487 | mouse_moved = 0; | |
ab648270 | 2488 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2489 | |
2490 | /* Figure out which root window we're on. */ | |
2491 | XQueryPointer (x_current_display, | |
2492 | DefaultRootWindow (x_current_display), | |
2493 | ||
2494 | /* The root window which contains the pointer. */ | |
2495 | &root, | |
2496 | ||
2497 | /* Trash which we can't trust if the pointer is on | |
2498 | a different screen. */ | |
2499 | &dummy_window, | |
2500 | ||
2501 | /* The position on that root window. */ | |
2502 | &root_x, &root_y, | |
2503 | ||
2504 | /* More trash we can't trust. */ | |
2505 | &dummy, &dummy, | |
2506 | ||
2507 | /* Modifier keys and pointer buttons, about which | |
2508 | we don't care. */ | |
2509 | (unsigned int *) &dummy); | |
2510 | ||
2511 | /* Now we have a position on the root; find the innermost window | |
2512 | containing the pointer. */ | |
2513 | { | |
2514 | Window win, child; | |
2515 | int win_x, win_y; | |
2516 | int parent_x, parent_y; | |
2517 | ||
2518 | win = root; | |
69388238 | 2519 | |
06ef4a3f | 2520 | if (x_mouse_grabbed && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 2521 | { |
69388238 RS |
2522 | /* If mouse was grabbed on a frame, give coords for that frame |
2523 | even if the mouse is now outside it. */ | |
12ba150f | 2524 | XTranslateCoordinates (x_current_display, |
69388238 | 2525 | |
12ba150f | 2526 | /* From-window, to-window. */ |
69388238 | 2527 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2528 | |
2529 | /* From-position, to-position. */ | |
2530 | root_x, root_y, &win_x, &win_y, | |
2531 | ||
2532 | /* Child of win. */ | |
2533 | &child); | |
69388238 RS |
2534 | f1 = last_mouse_frame; |
2535 | } | |
2536 | else | |
2537 | { | |
2538 | while (1) | |
2539 | { | |
2540 | XTranslateCoordinates (x_current_display, | |
12ba150f | 2541 | |
69388238 RS |
2542 | /* From-window, to-window. */ |
2543 | root, win, | |
12ba150f | 2544 | |
69388238 RS |
2545 | /* From-position, to-position. */ |
2546 | root_x, root_y, &win_x, &win_y, | |
2547 | ||
2548 | /* Child of win. */ | |
2549 | &child); | |
2550 | ||
2551 | if (child == None) | |
2552 | break; | |
2553 | ||
2554 | win = child; | |
2555 | parent_x = win_x; | |
2556 | parent_y = win_y; | |
2557 | } | |
12ba150f | 2558 | |
69388238 RS |
2559 | /* Now we know that: |
2560 | win is the innermost window containing the pointer | |
2561 | (XTC says it has no child containing the pointer), | |
2562 | win_x and win_y are the pointer's position in it | |
2563 | (XTC did this the last time through), and | |
2564 | parent_x and parent_y are the pointer's position in win's parent. | |
2565 | (They are what win_x and win_y were when win was child. | |
2566 | If win is the root window, it has no parent, and | |
2567 | parent_{x,y} are invalid, but that's okay, because we'll | |
2568 | never use them in that case.) */ | |
2569 | ||
2570 | /* Is win one of our frames? */ | |
2b5c9e71 | 2571 | f1 = x_any_window_to_frame (win); |
69388238 | 2572 | } |
12ba150f | 2573 | |
ab648270 | 2574 | /* If not, is it one of our scroll bars? */ |
a135645a | 2575 | if (! f1) |
12ba150f | 2576 | { |
ab648270 | 2577 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2578 | |
2579 | if (bar) | |
2580 | { | |
a135645a | 2581 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2582 | win_x = parent_x; |
2583 | win_y = parent_y; | |
2584 | } | |
2585 | } | |
90e65f07 | 2586 | |
a135645a | 2587 | if (f1) |
12ba150f | 2588 | { |
2b5c9e71 RS |
2589 | int ignore1, ignore2; |
2590 | ||
2591 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2592 | |
2b5c9e71 | 2593 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
69388238 | 2594 | &last_mouse_glyph, x_mouse_grabbed); |
12ba150f JB |
2595 | |
2596 | *bar_window = Qnil; | |
2597 | *part = 0; | |
a135645a | 2598 | *f = f1; |
12ba150f JB |
2599 | XSET (*x, Lisp_Int, win_x); |
2600 | XSET (*y, Lisp_Int, win_y); | |
2601 | *time = last_mouse_movement_time; | |
2602 | } | |
2603 | } | |
2604 | } | |
90e65f07 JB |
2605 | |
2606 | UNBLOCK_INPUT; | |
2607 | } | |
2608 | ||
c118dd06 | 2609 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2610 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
2611 | #endif /* ! defined (HAVE_X11) */ |
2612 | \f | |
ab648270 | 2613 | /* Scroll bar support. */ |
f451eb13 | 2614 | |
ab648270 JB |
2615 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2616 | This can be called in GC, so we have to make sure to strip off mark | |
2617 | bits. */ | |
2618 | static struct scroll_bar * | |
2619 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2620 | Window window_id; |
2621 | { | |
2622 | Lisp_Object tail, frame; | |
f451eb13 | 2623 | |
ab648270 JB |
2624 | for (tail = Vframe_list; |
2625 | XGCTYPE (tail) == Lisp_Cons; | |
2626 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2627 | { |
abdda982 | 2628 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2629 | |
abdda982 | 2630 | frame = XCONS (tail)->car; |
f451eb13 | 2631 | /* All elements of Vframe_list should be frames. */ |
ab648270 | 2632 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
2633 | abort (); |
2634 | ||
ab648270 | 2635 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2636 | right window ID. */ |
ab648270 JB |
2637 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2638 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2639 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2640 | condemned scroll bar lists with one loop. */ |
2641 | ! GC_NILP (bar) || (bar = condemned, | |
2642 | condemned = Qnil, | |
2643 | ! GC_NILP (bar)); | |
bc20ebbf | 2644 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2645 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2646 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2647 | } |
2648 | ||
2649 | return 0; | |
2650 | } | |
2651 | ||
ab648270 JB |
2652 | /* Open a new X window to serve as a scroll bar, and return the |
2653 | scroll bar vector for it. */ | |
2654 | static struct scroll_bar * | |
2655 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2656 | struct window *window; |
f451eb13 JB |
2657 | int top, left, width, height; |
2658 | { | |
12ba150f | 2659 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
2660 | struct scroll_bar *bar = |
2661 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2662 | |
2663 | BLOCK_INPUT; | |
2664 | ||
2665 | { | |
2666 | XSetWindowAttributes a; | |
2667 | unsigned long mask; | |
12ba150f JB |
2668 | a.background_pixel = frame->display.x->background_pixel; |
2669 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 2670 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2671 | | ExposureMask); |
ab648270 | 2672 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 2673 | |
dbc4e1c1 | 2674 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2675 | |
3afe33e7 RS |
2676 | #if 0 |
2677 | ||
2678 | ac = 0; | |
2679 | XtSetArg (al[ac], XtNx, left); ac++; | |
2680 | XtSetArg (al[ac], XtNy, top); ac++; | |
2681 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2682 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2683 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2684 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 KH |
2685 | boxWidgetClass, |
2686 | frame->display.x->edit_widget, al, ac); | |
2687 | SET_SCROLL_BAR_X_WINDOW | |
3afe33e7 RS |
2688 | (bar, sb_widget->core.window); |
2689 | #endif | |
7246d1d3 | 2690 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
2691 | (bar, |
2692 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 2693 | |
ab648270 | 2694 | /* Position and size of scroll bar. */ |
12ba150f | 2695 | left, top, width, height, |
f451eb13 | 2696 | |
12ba150f JB |
2697 | /* Border width, depth, class, and visual. */ |
2698 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2699 | |
12ba150f JB |
2700 | /* Attributes. */ |
2701 | mask, &a)); | |
f451eb13 JB |
2702 | } |
2703 | ||
12ba150f JB |
2704 | XSET (bar->window, Lisp_Window, window); |
2705 | XSET (bar->top, Lisp_Int, top); | |
2706 | XSET (bar->left, Lisp_Int, left); | |
2707 | XSET (bar->width, Lisp_Int, width); | |
2708 | XSET (bar->height, Lisp_Int, height); | |
2709 | XSET (bar->start, Lisp_Int, 0); | |
2710 | XSET (bar->end, Lisp_Int, 0); | |
2711 | bar->dragging = Qnil; | |
f451eb13 JB |
2712 | |
2713 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 2714 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 2715 | bar->prev = Qnil; |
ab648270 | 2716 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 2717 | if (! NILP (bar->next)) |
ab648270 | 2718 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 2719 | |
ab648270 | 2720 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2721 | |
2722 | UNBLOCK_INPUT; | |
12ba150f JB |
2723 | |
2724 | return bar; | |
f451eb13 JB |
2725 | } |
2726 | ||
12ba150f JB |
2727 | /* Draw BAR's handle in the proper position. |
2728 | If the handle is already drawn from START to END, don't bother | |
2729 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2730 | redraw it. (REBUILD is handy for drawing the handle after expose | |
2731 | events.) | |
2732 | ||
2733 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2734 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2735 | handle, we want to let them drag it down all the way, so that the |
2736 | bar's top is as far down as it goes; otherwise, there's no way to | |
2737 | move to the very end of the buffer. */ | |
f451eb13 | 2738 | static void |
ab648270 JB |
2739 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2740 | struct scroll_bar *bar; | |
f451eb13 | 2741 | int start, end; |
12ba150f | 2742 | int rebuild; |
f451eb13 | 2743 | { |
12ba150f | 2744 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2745 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2746 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2747 | ||
2748 | /* If the display is already accurate, do nothing. */ | |
2749 | if (! rebuild | |
2750 | && start == XINT (bar->start) | |
2751 | && end == XINT (bar->end)) | |
2752 | return; | |
2753 | ||
f451eb13 JB |
2754 | BLOCK_INPUT; |
2755 | ||
2756 | { | |
ab648270 JB |
2757 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2758 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2759 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2760 | |
2761 | /* Make sure the values are reasonable, and try to preserve | |
2762 | the distance between start and end. */ | |
12ba150f JB |
2763 | { |
2764 | int length = end - start; | |
2765 | ||
2766 | if (start < 0) | |
2767 | start = 0; | |
2768 | else if (start > top_range) | |
2769 | start = top_range; | |
2770 | end = start + length; | |
2771 | ||
2772 | if (end < start) | |
2773 | end = start; | |
2774 | else if (end > top_range && ! dragging) | |
2775 | end = top_range; | |
2776 | } | |
f451eb13 | 2777 | |
ab648270 | 2778 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
2779 | XSET (bar->start, Lisp_Int, start); |
2780 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 2781 | |
12ba150f JB |
2782 | /* Clip the end position, just for display. */ |
2783 | if (end > top_range) | |
2784 | end = top_range; | |
f451eb13 | 2785 | |
ab648270 | 2786 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2787 | below top positions, to make sure the handle is always at least |
2788 | that many pixels tall. */ | |
ab648270 | 2789 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2790 | |
12ba150f JB |
2791 | /* Draw the empty space above the handle. Note that we can't clear |
2792 | zero-height areas; that means "clear to end of window." */ | |
2793 | if (0 < start) | |
2794 | XClearArea (x_current_display, w, | |
f451eb13 | 2795 | |
12ba150f | 2796 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2797 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2798 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2799 | inside_width, start, |
2800 | False); | |
f451eb13 | 2801 | |
12ba150f JB |
2802 | /* Draw the handle itself. */ |
2803 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2804 | |
12ba150f | 2805 | /* x, y, width, height */ |
ab648270 JB |
2806 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2807 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2808 | inside_width, end - start); |
f451eb13 | 2809 | |
f451eb13 | 2810 | |
12ba150f JB |
2811 | /* Draw the empty space below the handle. Note that we can't |
2812 | clear zero-height areas; that means "clear to end of window." */ | |
2813 | if (end < inside_height) | |
2814 | XClearArea (x_current_display, w, | |
f451eb13 | 2815 | |
12ba150f | 2816 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2817 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2818 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2819 | inside_width, inside_height - end, |
2820 | False); | |
f451eb13 | 2821 | |
f451eb13 JB |
2822 | } |
2823 | ||
f451eb13 JB |
2824 | UNBLOCK_INPUT; |
2825 | } | |
2826 | ||
eb8c3be9 | 2827 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2828 | window configurations. */ |
f451eb13 | 2829 | static void |
ab648270 JB |
2830 | x_scroll_bar_move (bar, top, left, width, height) |
2831 | struct scroll_bar *bar; | |
f451eb13 JB |
2832 | int top, left, width, height; |
2833 | { | |
2834 | BLOCK_INPUT; | |
2835 | ||
2836 | { | |
2837 | XWindowChanges wc; | |
2838 | unsigned int mask = 0; | |
2839 | ||
2840 | wc.x = left; | |
2841 | wc.y = top; | |
2842 | wc.width = width; | |
2843 | wc.height = height; | |
2844 | ||
12ba150f JB |
2845 | if (left != XINT (bar->left)) mask |= CWX; |
2846 | if (top != XINT (bar->top)) mask |= CWY; | |
2847 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2848 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2849 | ||
2850 | if (mask) | |
ab648270 | 2851 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2852 | mask, &wc); |
f451eb13 JB |
2853 | } |
2854 | ||
12ba150f JB |
2855 | XSET (bar->left, Lisp_Int, left); |
2856 | XSET (bar->top, Lisp_Int, top); | |
2857 | XSET (bar->width, Lisp_Int, width); | |
2858 | XSET (bar->height, Lisp_Int, height); | |
2859 | ||
f451eb13 JB |
2860 | UNBLOCK_INPUT; |
2861 | } | |
2862 | ||
ab648270 | 2863 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2864 | to nil. */ |
2865 | static void | |
ab648270 JB |
2866 | x_scroll_bar_remove (bar) |
2867 | struct scroll_bar *bar; | |
12ba150f JB |
2868 | { |
2869 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2870 | ||
2871 | BLOCK_INPUT; | |
2872 | ||
2873 | /* Destroy the window. */ | |
ab648270 | 2874 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2875 | |
ab648270 JB |
2876 | /* Disassociate this scroll bar from its window. */ |
2877 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2878 | |
2879 | UNBLOCK_INPUT; | |
2880 | } | |
2881 | ||
2882 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2883 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2884 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2885 | create one. */ |
2886 | static void | |
ab648270 | 2887 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2888 | struct window *window; |
2889 | int portion, whole, position; | |
2890 | { | |
2891 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2892 | int top = XINT (window->top); |
ab648270 JB |
2893 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2894 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2895 | |
ab648270 | 2896 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2897 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2898 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2899 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2900 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2901 | |
ab648270 | 2902 | struct scroll_bar *bar; |
12ba150f | 2903 | |
ab648270 JB |
2904 | /* Does the scroll bar exist yet? */ |
2905 | if (NILP (window->vertical_scroll_bar)) | |
2906 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2907 | pixel_top, pixel_left, |
2908 | pixel_width, pixel_height); | |
2909 | else | |
12ba150f JB |
2910 | { |
2911 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2912 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2913 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2914 | } |
f451eb13 | 2915 | |
ab648270 | 2916 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2917 | dragged. */ |
12ba150f | 2918 | if (NILP (bar->dragging)) |
f451eb13 | 2919 | { |
12ba150f | 2920 | int top_range = |
ab648270 | 2921 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2922 | |
12ba150f | 2923 | if (whole == 0) |
ab648270 | 2924 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2925 | else |
2926 | { | |
43f868f5 JB |
2927 | int start = ((double) position * top_range) / whole; |
2928 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2929 | |
ab648270 | 2930 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2931 | } |
f451eb13 JB |
2932 | } |
2933 | ||
ab648270 | 2934 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2935 | } |
2936 | ||
12ba150f | 2937 | |
f451eb13 | 2938 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2939 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2940 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2941 | away is a real pain - "Can you say set-window-configuration, boys |
2942 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2943 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2944 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2945 | |
ab648270 JB |
2946 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2947 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2948 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2949 | static void |
ab648270 | 2950 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2951 | FRAME_PTR frame; |
2952 | { | |
12ba150f JB |
2953 | /* The condemned list should be empty at this point; if it's not, |
2954 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2955 | protocol correctly. */ | |
ab648270 | 2956 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2957 | abort (); |
2958 | ||
2959 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2960 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2961 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2962 | } |
2963 | ||
ab648270 | 2964 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2965 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2966 | static void |
ab648270 | 2967 | XTredeem_scroll_bar (window) |
12ba150f | 2968 | struct window *window; |
f451eb13 | 2969 | { |
ab648270 | 2970 | struct scroll_bar *bar; |
12ba150f | 2971 | |
ab648270 JB |
2972 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2973 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2974 | abort (); |
2975 | ||
ab648270 | 2976 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2977 | |
2978 | /* Unlink it from the condemned list. */ | |
2979 | { | |
2980 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2981 | ||
2982 | if (NILP (bar->prev)) | |
2983 | { | |
2984 | /* If the prev pointer is nil, it must be the first in one of | |
2985 | the lists. */ | |
ab648270 | 2986 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2987 | /* It's not condemned. Everything's fine. */ |
2988 | return; | |
ab648270 JB |
2989 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2990 | window->vertical_scroll_bar)) | |
2991 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2992 | else |
2993 | /* If its prev pointer is nil, it must be at the front of | |
2994 | one or the other! */ | |
2995 | abort (); | |
2996 | } | |
2997 | else | |
ab648270 | 2998 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2999 | |
3000 | if (! NILP (bar->next)) | |
ab648270 | 3001 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 3002 | |
ab648270 | 3003 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 3004 | bar->prev = Qnil; |
ab648270 | 3005 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 3006 | if (! NILP (bar->next)) |
ab648270 | 3007 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 3008 | } |
f451eb13 JB |
3009 | } |
3010 | ||
ab648270 JB |
3011 | /* Remove all scroll bars on FRAME that haven't been saved since the |
3012 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 3013 | static void |
ab648270 | 3014 | XTjudge_scroll_bars (f) |
12ba150f | 3015 | FRAME_PTR f; |
f451eb13 | 3016 | { |
12ba150f | 3017 | Lisp_Object bar, next; |
f451eb13 | 3018 | |
ab648270 | 3019 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
3020 | |
3021 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
3022 | more events on the hapless scroll bars. */ |
3023 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
3024 | |
3025 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 3026 | { |
ab648270 | 3027 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 3028 | |
ab648270 | 3029 | x_scroll_bar_remove (b); |
12ba150f JB |
3030 | |
3031 | next = b->next; | |
3032 | b->next = b->prev = Qnil; | |
f451eb13 | 3033 | } |
12ba150f | 3034 | |
ab648270 | 3035 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 3036 | and they should get garbage-collected. */ |
f451eb13 JB |
3037 | } |
3038 | ||
3039 | ||
ab648270 JB |
3040 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
3041 | ||
3042 | This may be called from a signal handler, so we have to ignore GC | |
3043 | mark bits. */ | |
f451eb13 | 3044 | static void |
ab648270 JB |
3045 | x_scroll_bar_expose (bar, event) |
3046 | struct scroll_bar *bar; | |
f451eb13 JB |
3047 | XEvent *event; |
3048 | { | |
ab648270 | 3049 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
3050 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
3051 | ||
f451eb13 JB |
3052 | BLOCK_INPUT; |
3053 | ||
ab648270 | 3054 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 3055 | |
ab648270 | 3056 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 3057 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
3058 | |
3059 | /* x, y, width, height */ | |
12ba150f | 3060 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 3061 | |
f451eb13 JB |
3062 | UNBLOCK_INPUT; |
3063 | } | |
3064 | ||
ab648270 JB |
3065 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
3066 | is set to something other than no_event, it is enqueued. | |
3067 | ||
3068 | This may be called from a signal handler, so we have to ignore GC | |
3069 | mark bits. */ | |
f451eb13 | 3070 | static void |
ab648270 JB |
3071 | x_scroll_bar_handle_click (bar, event, emacs_event) |
3072 | struct scroll_bar *bar; | |
f451eb13 JB |
3073 | XEvent *event; |
3074 | struct input_event *emacs_event; | |
3075 | { | |
ab648270 | 3076 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
3077 | abort (); |
3078 | ||
ab648270 | 3079 | emacs_event->kind = scroll_bar_click; |
69388238 | 3080 | emacs_event->code = event->xbutton.button - Button1; |
f451eb13 | 3081 | emacs_event->modifiers = |
dfeccd2d | 3082 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
3083 | | (event->type == ButtonRelease |
3084 | ? up_modifier | |
3085 | : down_modifier)); | |
12ba150f | 3086 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 3087 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
3088 | { |
3089 | int internal_height = | |
ab648270 | 3090 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 3091 | int top_range = |
ab648270 JB |
3092 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
3093 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
3094 | |
3095 | if (y < 0) y = 0; | |
3096 | if (y > top_range) y = top_range; | |
3097 | ||
3098 | if (y < XINT (bar->start)) | |
ab648270 JB |
3099 | emacs_event->part = scroll_bar_above_handle; |
3100 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3101 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 3102 | else |
ab648270 | 3103 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
3104 | |
3105 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
3106 | they want to drag it. Lisp code needs to be able to decide |
3107 | whether or not we're dragging. */ | |
929787e1 | 3108 | #if 0 |
12ba150f JB |
3109 | /* If the user has just clicked on the handle, record where they're |
3110 | holding it. */ | |
3111 | if (event->type == ButtonPress | |
ab648270 | 3112 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 3113 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 3114 | #endif |
12ba150f JB |
3115 | |
3116 | /* If the user has released the handle, set it to its final position. */ | |
3117 | if (event->type == ButtonRelease | |
3118 | && ! NILP (bar->dragging)) | |
3119 | { | |
3120 | int new_start = y - XINT (bar->dragging); | |
3121 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 3122 | |
ab648270 | 3123 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
3124 | bar->dragging = Qnil; |
3125 | } | |
f451eb13 | 3126 | |
5116f055 JB |
3127 | /* Same deal here as the other #if 0. */ |
3128 | #if 0 | |
eb8c3be9 | 3129 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 3130 | the handle. */ |
ab648270 | 3131 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
3132 | emacs_event->x = bar->start; |
3133 | else | |
3134 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
3135 | #else |
3136 | XSET (emacs_event->x, Lisp_Int, y); | |
3137 | #endif | |
f451eb13 | 3138 | |
12ba150f JB |
3139 | XSET (emacs_event->y, Lisp_Int, top_range); |
3140 | } | |
3141 | } | |
f451eb13 | 3142 | |
ab648270 JB |
3143 | /* Handle some mouse motion while someone is dragging the scroll bar. |
3144 | ||
3145 | This may be called from a signal handler, so we have to ignore GC | |
3146 | mark bits. */ | |
f451eb13 | 3147 | static void |
ab648270 JB |
3148 | x_scroll_bar_note_movement (bar, event) |
3149 | struct scroll_bar *bar; | |
f451eb13 JB |
3150 | XEvent *event; |
3151 | { | |
3152 | last_mouse_movement_time = event->xmotion.time; | |
3153 | ||
3154 | mouse_moved = 1; | |
ab648270 | 3155 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
3156 | |
3157 | /* If we're dragging the bar, display it. */ | |
ab648270 | 3158 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
3159 | { |
3160 | /* Where should the handle be now? */ | |
12ba150f | 3161 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 3162 | |
12ba150f | 3163 | if (new_start != XINT (bar->start)) |
f451eb13 | 3164 | { |
12ba150f | 3165 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 3166 | |
ab648270 | 3167 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
3168 | } |
3169 | } | |
3170 | ||
3171 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
3172 | moves and we can see *still* on the same position. */ | |
3173 | { | |
3174 | int dummy; | |
3175 | ||
3176 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
3177 | (Window *) &dummy, (Window *) &dummy, | |
3178 | &dummy, &dummy, &dummy, &dummy, | |
3179 | (unsigned int *) &dummy); | |
3180 | } | |
3181 | } | |
3182 | ||
12ba150f | 3183 | /* Return information to the user about the current position of the mouse |
ab648270 | 3184 | on the scroll bar. */ |
12ba150f | 3185 | static void |
ab648270 | 3186 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
3187 | FRAME_PTR *f; |
3188 | Lisp_Object *bar_window; | |
ab648270 | 3189 | enum scroll_bar_part *part; |
12ba150f JB |
3190 | Lisp_Object *x, *y; |
3191 | unsigned long *time; | |
3192 | { | |
ab648270 | 3193 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 3194 | int win_x, win_y; |
559cb2fb JB |
3195 | Window dummy_window; |
3196 | int dummy_coord; | |
3197 | unsigned int dummy_mask; | |
12ba150f | 3198 | |
cf7cb199 JB |
3199 | BLOCK_INPUT; |
3200 | ||
ab648270 | 3201 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 3202 | report that. */ |
559cb2fb JB |
3203 | if (! XQueryPointer (x_current_display, |
3204 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 3205 | |
559cb2fb JB |
3206 | /* Root, child, root x and root y. */ |
3207 | &dummy_window, &dummy_window, | |
3208 | &dummy_coord, &dummy_coord, | |
12ba150f | 3209 | |
559cb2fb JB |
3210 | /* Position relative to scroll bar. */ |
3211 | &win_x, &win_y, | |
12ba150f | 3212 | |
559cb2fb JB |
3213 | /* Mouse buttons and modifier keys. */ |
3214 | &dummy_mask)) | |
3215 | *f = 0; | |
3216 | else | |
3217 | { | |
3218 | int inside_height | |
3219 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
3220 | int top_range | |
3221 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
3222 | ||
3223 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
3224 | ||
3225 | if (! NILP (bar->dragging)) | |
3226 | win_y -= XINT (bar->dragging); | |
3227 | ||
3228 | if (win_y < 0) | |
3229 | win_y = 0; | |
3230 | if (win_y > top_range) | |
3231 | win_y = top_range; | |
3232 | ||
3233 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
3234 | *bar_window = bar->window; | |
3235 | ||
3236 | if (! NILP (bar->dragging)) | |
3237 | *part = scroll_bar_handle; | |
3238 | else if (win_y < XINT (bar->start)) | |
3239 | *part = scroll_bar_above_handle; | |
3240 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3241 | *part = scroll_bar_handle; | |
3242 | else | |
3243 | *part = scroll_bar_below_handle; | |
12ba150f | 3244 | |
559cb2fb JB |
3245 | XSET (*x, Lisp_Int, win_y); |
3246 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 3247 | |
559cb2fb JB |
3248 | mouse_moved = 0; |
3249 | last_mouse_scroll_bar = Qnil; | |
3250 | } | |
12ba150f | 3251 | |
559cb2fb | 3252 | *time = last_mouse_movement_time; |
cf7cb199 | 3253 | |
cf7cb199 | 3254 | UNBLOCK_INPUT; |
12ba150f JB |
3255 | } |
3256 | ||
f451eb13 | 3257 | |
dbc4e1c1 | 3258 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
3259 | background colors, and the scroll bars may need to be redrawn. |
3260 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
3261 | redraw them. */ |
3262 | ||
ab648270 | 3263 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
3264 | FRAME_PTR f; |
3265 | { | |
3266 | Lisp_Object bar; | |
3267 | ||
ab648270 | 3268 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 3269 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
3270 | bar = XSCROLL_BAR (bar)->next) |
3271 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
3272 | 0, 0, 0, 0, True); |
3273 | } | |
3274 | ||
3afe33e7 RS |
3275 | /* This processes Expose events from the menubar specific X event |
3276 | loop in menubar.c. This allows to redisplay the frame if necessary | |
3277 | when handling menubar or popup items. */ | |
3278 | ||
3279 | void | |
3280 | process_expose_from_menu (event) | |
3281 | XEvent event; | |
3282 | { | |
3283 | FRAME_PTR f; | |
3284 | ||
f94397b5 KH |
3285 | BLOCK_INPUT; |
3286 | ||
3afe33e7 RS |
3287 | f = x_window_to_frame (event.xexpose.window); |
3288 | if (f) | |
3289 | { | |
3290 | if (f->async_visible == 0) | |
3291 | { | |
3292 | f->async_visible = 1; | |
3293 | f->async_iconified = 0; | |
3294 | SET_FRAME_GARBAGED (f); | |
3295 | } | |
3296 | else | |
3297 | { | |
3298 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3299 | event.xexpose.x, event.xexpose.y, | |
3300 | event.xexpose.width, event.xexpose.height); | |
3301 | } | |
3302 | } | |
3303 | else | |
3304 | { | |
3305 | struct scroll_bar *bar | |
3306 | = x_window_to_scroll_bar (event.xexpose.window); | |
3307 | ||
3308 | if (bar) | |
3309 | x_scroll_bar_expose (bar, &event); | |
3310 | } | |
f94397b5 KH |
3311 | |
3312 | UNBLOCK_INPUT; | |
3afe33e7 | 3313 | } |
dbc4e1c1 | 3314 | |
f451eb13 JB |
3315 | \f |
3316 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3317 | |
dc6f92b8 JB |
3318 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3319 | but we have to put it out here, since static variables within functions | |
3320 | sometimes don't work. */ | |
3321 | static Time enter_timestamp; | |
3322 | ||
11edeb03 JB |
3323 | /* This holds the state XLookupString needs to implement dead keys |
3324 | and other tricks known as "compose processing". _X Window System_ | |
3325 | says that a portable program can't use this, but Stephen Gildea assures | |
3326 | me that letting the compiler initialize it to zeros will work okay. | |
3327 | ||
3328 | This must be defined outside of XTread_socket, for the same reasons | |
3329 | given for enter_timestamp, above. */ | |
3330 | static XComposeStatus compose_status; | |
3331 | ||
c047688c JA |
3332 | /* Communication with window managers. */ |
3333 | Atom Xatom_wm_protocols; | |
3334 | ||
3335 | /* Kinds of protocol things we may receive. */ | |
3336 | Atom Xatom_wm_take_focus; | |
3337 | Atom Xatom_wm_save_yourself; | |
3338 | Atom Xatom_wm_delete_window; | |
3339 | ||
3340 | /* Other WM communication */ | |
3341 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
3342 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
3343 | ||
d56a553a RS |
3344 | /* Window manager communication. */ |
3345 | Atom Xatom_wm_change_state; | |
3346 | ||
c2df547c RS |
3347 | /* EditRes protocol */ |
3348 | Atom Xatom_editres_name; | |
3349 | ||
10e6549c RS |
3350 | /* Record the last 100 characters stored |
3351 | to help debug the loss-of-chars-during-GC problem. */ | |
3352 | int temp_index; | |
3353 | short temp_buffer[100]; | |
3354 | ||
dc6f92b8 JB |
3355 | /* Read events coming from the X server. |
3356 | This routine is called by the SIGIO handler. | |
3357 | We return as soon as there are no more events to be read. | |
3358 | ||
3359 | Events representing keys are stored in buffer BUFP, | |
3360 | which can hold up to NUMCHARS characters. | |
3361 | We return the number of characters stored into the buffer, | |
3362 | thus pretending to be `read'. | |
3363 | ||
3364 | WAITP is nonzero if we should block until input arrives. | |
3365 | EXPECTED is nonzero if the caller knows input is available. */ | |
3366 | ||
7c5283e4 | 3367 | int |
dc6f92b8 JB |
3368 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3369 | register int sd; | |
3370 | register struct input_event *bufp; | |
3371 | register int numchars; | |
3372 | int waitp; | |
3373 | int expected; | |
3374 | { | |
3375 | int count = 0; | |
3376 | int nbytes = 0; | |
3377 | int mask; | |
3378 | int items_pending; /* How many items are in the X queue. */ | |
3379 | XEvent event; | |
f676886a | 3380 | struct frame *f; |
66f55a9d | 3381 | int event_found = 0; |
dc6f92b8 JB |
3382 | int prefix; |
3383 | Lisp_Object part; | |
3384 | ||
9ac0d9e0 | 3385 | if (interrupt_input_blocked) |
dc6f92b8 | 3386 | { |
9ac0d9e0 | 3387 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3388 | return -1; |
3389 | } | |
3390 | ||
9ac0d9e0 | 3391 | interrupt_input_pending = 0; |
dc6f92b8 JB |
3392 | BLOCK_INPUT; |
3393 | ||
3394 | if (numchars <= 0) | |
3395 | abort (); /* Don't think this happens. */ | |
3396 | ||
3397 | #ifdef FIOSNBIO | |
3398 | /* If available, Xlib uses FIOSNBIO to make the socket | |
3399 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3400 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3401 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
3402 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 3403 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
3404 | |
3405 | #ifndef SIGIO | |
3406 | #ifndef HAVE_SELECT | |
3407 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
3408 | { | |
3409 | extern int read_alarm_should_throw; | |
3410 | read_alarm_should_throw = 1; | |
3411 | XPeekEvent (XDISPLAY &event); | |
3412 | read_alarm_should_throw = 0; | |
3413 | } | |
c118dd06 JB |
3414 | #endif /* HAVE_SELECT */ |
3415 | #endif /* SIGIO */ | |
dc6f92b8 JB |
3416 | |
3417 | while (XStuffPending () != 0) | |
3418 | { | |
3419 | XNextEvent (XDISPLAY &event); | |
3420 | event_found = 1; | |
3421 | ||
3422 | switch (event.type) | |
3423 | { | |
3424 | #ifdef HAVE_X11 | |
c047688c JA |
3425 | case ClientMessage: |
3426 | { | |
3427 | if (event.xclient.message_type == Xatom_wm_protocols | |
3428 | && event.xclient.format == 32) | |
3429 | { | |
3430 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
3431 | { | |
3afe33e7 | 3432 | f = x_window_to_frame (event.xclient.window); |
0a178815 RS |
3433 | /* Since we set WM_TAKE_FOCUS, we must call |
3434 | XSetInputFocus explicitly. But not if f is null, | |
3435 | since that might be an event for a deleted frame. */ | |
f676886a | 3436 | if (f) |
5627c40e RS |
3437 | XSetInputFocus (event.xclient.display, |
3438 | event.xclient.window, | |
3439 | RevertToPointerRoot, | |
3440 | event.xclient.data.l[1]); | |
ab648270 | 3441 | /* Not certain about handling scroll bars here */ |
c047688c JA |
3442 | } |
3443 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
3444 | { | |
3445 | /* Save state modify the WM_COMMAND property to | |
3446 | something which can reinstate us. This notifies | |
3447 | the session manager, who's looking for such a | |
3448 | PropertyNotify. Can restart processing when | |
3449 | a keyboard or mouse event arrives. */ | |
3450 | if (numchars > 0) | |
3451 | { | |
0ab983c8 RS |
3452 | /* This is just so we only give real data once |
3453 | for a single Emacs process. */ | |
4846819e RS |
3454 | if (x_top_window_to_frame (event.xclient.window) |
3455 | == selected_frame) | |
0ab983c8 RS |
3456 | XSetCommand (x_current_display, |
3457 | event.xclient.window, | |
3458 | initial_argv, initial_argc); | |
3459 | else | |
3460 | XSetCommand (x_current_display, | |
3461 | event.xclient.window, | |
3462 | 0, 0); | |
c047688c JA |
3463 | } |
3464 | } | |
3465 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
3466 | { | |
82aebaf4 | 3467 | struct frame *f = x_any_window_to_frame (event.xclient.window); |
c047688c | 3468 | |
f676886a | 3469 | if (f) |
1fb20991 RS |
3470 | { |
3471 | if (numchars == 0) | |
3472 | abort (); | |
3473 | ||
3474 | bufp->kind = delete_window_event; | |
3475 | XSET (bufp->frame_or_window, Lisp_Frame, f); | |
3476 | bufp++; | |
3477 | ||
3478 | count += 1; | |
3479 | numchars -= 1; | |
3480 | } | |
c047688c JA |
3481 | } |
3482 | } | |
3483 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
3484 | { | |
3485 | } | |
3486 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
3487 | { | |
3488 | int new_x, new_y; | |
1fb20991 RS |
3489 | struct frame *f = x_window_to_frame (event.xclient.window); |
3490 | ||
4357eba7 JB |
3491 | new_x = event.xclient.data.s[0]; |
3492 | new_y = event.xclient.data.s[1]; | |
1fb20991 RS |
3493 | |
3494 | if (f) | |
3495 | { | |
3496 | f->display.x->left_pos = new_x; | |
3497 | f->display.x->top_pos = new_y; | |
3498 | } | |
c047688c | 3499 | } |
5627c40e | 3500 | #if defined (USE_X_TOOLKIT) && defined (HAVE_X11R5) |
c2df547c RS |
3501 | else if (event.xclient.message_type == Xatom_editres_name) |
3502 | { | |
3503 | struct frame *f = x_any_window_to_frame (event.xclient.window); | |
3504 | _XEditResCheckMessages (f->display.x->widget, NULL, &event, NULL); | |
3505 | } | |
5627c40e | 3506 | #endif /* USE_X_TOOLKIT and HAVE_X11R5 */ |
c047688c JA |
3507 | } |
3508 | break; | |
dc6f92b8 | 3509 | |
d56a553a | 3510 | case SelectionNotify: |
3afe33e7 | 3511 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3512 | if (! x_window_to_frame (event.xselection.requestor)) |
3afe33e7 | 3513 | goto OTHER; |
3afe33e7 | 3514 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3515 | x_handle_selection_notify (&event); |
d56a553a | 3516 | break; |
d56a553a | 3517 | |
dc6f92b8 | 3518 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3519 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3520 | if (! x_window_to_frame (event.xselectionclear.window)) |
3521 | goto OTHER; | |
3afe33e7 | 3522 | #endif /* USE_X_TOOLKIT */ |
b2bd9b6a | 3523 | { |
d56a553a RS |
3524 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; |
3525 | ||
3526 | if (numchars == 0) | |
3527 | abort (); | |
3528 | ||
3529 | bufp->kind = selection_clear_event; | |
3530 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3531 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3532 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3533 | bufp++; | |
3534 | ||
3535 | count += 1; | |
3536 | numchars -= 1; | |
3afe33e7 | 3537 | } |
dc6f92b8 JB |
3538 | break; |
3539 | ||
3540 | case SelectionRequest: /* Someone wants our selection. */ | |
3afe33e7 | 3541 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3542 | if (!x_window_to_frame (event.xselectionrequest.owner)) |
3543 | goto OTHER; | |
3afe33e7 | 3544 | #endif /* USE_X_TOOLKIT */ |
b2bd9b6a | 3545 | { |
d56a553a RS |
3546 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; |
3547 | ||
3548 | if (numchars == 0) | |
3549 | abort (); | |
3550 | ||
3551 | bufp->kind = selection_request_event; | |
3552 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3553 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3554 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3555 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3556 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3557 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3558 | bufp++; | |
3559 | ||
3560 | count += 1; | |
3561 | numchars -= 1; | |
3afe33e7 | 3562 | } |
dc6f92b8 JB |
3563 | break; |
3564 | ||
3565 | case PropertyNotify: | |
3afe33e7 | 3566 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3567 | if (!x_any_window_to_frame (event.xproperty.window)) |
3afe33e7 | 3568 | goto OTHER; |
3afe33e7 | 3569 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3570 | x_handle_property_notify (&event); |
dc6f92b8 JB |
3571 | break; |
3572 | ||
3bd330d4 | 3573 | case ReparentNotify: |
3a35ab44 | 3574 | f = x_top_window_to_frame (event.xreparent.window); |
3bd330d4 | 3575 | if (f) |
3a35ab44 RS |
3576 | { |
3577 | int x, y; | |
3578 | f->display.x->parent_desc = event.xreparent.parent; | |
3579 | x_real_positions (f, &x, &y); | |
3580 | f->display.x->left_pos = x; | |
3581 | f->display.x->top_pos = y; | |
3582 | } | |
3bd330d4 RS |
3583 | break; |
3584 | ||
dc6f92b8 | 3585 | case Expose: |
f676886a JB |
3586 | f = x_window_to_frame (event.xexpose.window); |
3587 | if (f) | |
dc6f92b8 | 3588 | { |
3a88c238 | 3589 | if (f->async_visible == 0) |
dc6f92b8 | 3590 | { |
3a88c238 JB |
3591 | f->async_visible = 1; |
3592 | f->async_iconified = 0; | |
f676886a | 3593 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
3594 | } |
3595 | else | |
b2bd9b6a RS |
3596 | dumprectangle (x_window_to_frame (event.xexpose.window), |
3597 | event.xexpose.x, event.xexpose.y, | |
3598 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
3599 | } |
3600 | else | |
3601 | { | |
ab648270 JB |
3602 | struct scroll_bar *bar |
3603 | = x_window_to_scroll_bar (event.xexpose.window); | |
3afe33e7 | 3604 | |
f451eb13 | 3605 | if (bar) |
3afe33e7 RS |
3606 | x_scroll_bar_expose (bar, &event); |
3607 | #ifdef USE_X_TOOLKIT | |
3608 | else | |
3609 | goto OTHER; | |
3610 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3611 | } |
3612 | break; | |
3613 | ||
3614 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
3615 | source area was obscured or not | |
3616 | available.*/ | |
f451eb13 JB |
3617 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
3618 | if (f) | |
3619 | { | |
3620 | dumprectangle (f, | |
3621 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3622 | event.xgraphicsexpose.width, | |
3623 | event.xgraphicsexpose.height); | |
f451eb13 | 3624 | } |
3afe33e7 RS |
3625 | #ifdef USE_X_TOOLKIT |
3626 | else | |
3627 | goto OTHER; | |
3628 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3629 | break; |
3630 | ||
3631 | case NoExpose: /* This occurs when an XCopyArea's | |
3632 | source area was completely | |
3633 | available */ | |
3634 | break; | |
c118dd06 | 3635 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3636 | case ExposeWindow: |
3637 | if (event.subwindow != 0) | |
3638 | break; /* duplicate event */ | |
f676886a JB |
3639 | f = x_window_to_frame (event.window); |
3640 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3641 | { |
f676886a | 3642 | refreshicon (f); |
3a88c238 | 3643 | f->async_iconified = 1; |
dc6f92b8 | 3644 | } |
c118dd06 | 3645 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3646 | { |
3647 | /* Say must check all windows' needs_exposure flags. */ | |
3648 | expose_all_windows = 1; | |
f676886a | 3649 | f->display.x->needs_exposure = 1; |
3a88c238 | 3650 | f->async_visible = 1; |
dc6f92b8 JB |
3651 | } |
3652 | break; | |
3653 | ||
3654 | case ExposeRegion: | |
3655 | if (event.subwindow != 0) | |
3656 | break; /* duplicate event */ | |
f676886a JB |
3657 | f = x_window_to_frame (event.window); |
3658 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3659 | { |
f676886a | 3660 | refreshicon (f); |
dc6f92b8 JB |
3661 | break; |
3662 | } | |
3663 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3664 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3665 | break; |
3666 | /* Put the event on the queue of rectangles to redraw. */ | |
3667 | if (enqueue_event (&event, &x_expose_queue)) | |
3668 | /* If it is full, we can't record the rectangle, | |
3669 | so redraw this entire window. */ | |
3670 | { | |
3671 | /* Say must check all windows' needs_exposure flags. */ | |
3672 | expose_all_windows = 1; | |
f676886a | 3673 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3674 | } |
3675 | break; | |
3676 | ||
3677 | case ExposeCopy: | |
3678 | /* This should happen only when we are expecting it, | |
3679 | in x_read_exposes. */ | |
3680 | abort (); | |
c118dd06 | 3681 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3682 | |
3683 | #ifdef HAVE_X11 | |
3684 | case UnmapNotify: | |
dc05a16b | 3685 | f = x_any_window_to_frame (event.xunmap.window); |
f451eb13 | 3686 | if (f) /* F may no longer exist if |
f676886a | 3687 | the frame was deleted. */ |
f451eb13 JB |
3688 | { |
3689 | /* While a frame is unmapped, display generation is | |
3690 | disabled; you don't want to spend time updating a | |
3691 | display that won't ever be seen. */ | |
3692 | f->async_visible = 0; | |
5627c40e RS |
3693 | /* We can't distinguish, from the event, whether the window |
3694 | has become iconified or invisible. So assume, if it | |
3695 | was previously visible, than now it is iconified. | |
3696 | We depend on x_make_frame_invisible to mark it iconified. */ | |
9319ae23 RS |
3697 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
3698 | f->async_iconified = 1; | |
f451eb13 | 3699 | } |
3afe33e7 RS |
3700 | #ifdef USE_X_TOOLKIT |
3701 | goto OTHER; | |
3702 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3703 | break; |
3704 | ||
3705 | case MapNotify: | |
b2bd9b6a RS |
3706 | /* We use x_top_window_to_frame because map events can come |
3707 | for subwindows and they don't mean that the frame is visible. */ | |
5627c40e | 3708 | f = x_top_window_to_frame (event.xmap.window); |
f676886a | 3709 | if (f) |
dc6f92b8 | 3710 | { |
3a88c238 JB |
3711 | f->async_visible = 1; |
3712 | f->async_iconified = 0; | |
dc6f92b8 JB |
3713 | |
3714 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
3715 | the frame's display structures. */ |
3716 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 | 3717 | } |
3afe33e7 RS |
3718 | #ifdef USE_X_TOOLKIT |
3719 | goto OTHER; | |
3720 | #endif /* USE_X_TOOLKIT */ | |
b2bd9b6a | 3721 | break; |
dc6f92b8 JB |
3722 | |
3723 | /* Turn off processing if we become fully obscured. */ | |
3724 | case VisibilityNotify: | |
3725 | break; | |
3726 | ||
c118dd06 | 3727 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3728 | case UnmapWindow: |
f676886a JB |
3729 | f = x_window_to_frame (event.window); |
3730 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 3731 | f->async_iconified = 0; |
c118dd06 | 3732 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 3733 | f->async_visible = 0; |
dc6f92b8 | 3734 | break; |
c118dd06 | 3735 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3736 | |
3737 | #ifdef HAVE_X11 | |
3738 | case KeyPress: | |
1dea5a83 | 3739 | f = x_any_window_to_frame (event.xkey.window); |
f451eb13 | 3740 | |
f676886a | 3741 | if (f != 0) |
dc6f92b8 | 3742 | { |
2d368234 | 3743 | KeySym keysym, orig_keysym; |
bf6d8fb9 RS |
3744 | /* al%imercury@uunet.uu.net says that making this 81 instead of |
3745 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3746 | unsigned char copy_buffer[81]; | |
64bb1782 RS |
3747 | int modifiers; |
3748 | ||
dfeccd2d JB |
3749 | event.xkey.state |
3750 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 3751 | modifiers = event.xkey.state; |
3a2712f9 | 3752 | |
11edeb03 | 3753 | /* This will have to go some day... */ |
752a043f JB |
3754 | |
3755 | /* make_lispy_event turns chars into control chars. | |
3756 | Don't do it here because XLookupString is too eager. */ | |
3757 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
3758 | nbytes = |
3759 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
3760 | &compose_status); | |
dc6f92b8 | 3761 | |
2d368234 | 3762 | orig_keysym = keysym; |
55123275 | 3763 | |
dc6f92b8 JB |
3764 | if (numchars > 1) |
3765 | { | |
64a07219 JB |
3766 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) |
3767 | || keysym == XK_Delete | |
3768 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3769 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3770 | #ifdef HPUX |
64a07219 JB |
3771 | /* This recognizes the "extended function keys". |
3772 | It seems there's no cleaner way. | |
3773 | Test IsModifierKey to avoid handling mode_switch | |
3774 | incorrectly. */ | |
3775 | || ((unsigned) (keysym) >= XK_Select | |
3776 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3777 | #endif |
3778 | #ifdef XK_dead_circumflex | |
3779 | || orig_keysym == XK_dead_circumflex | |
3780 | #endif | |
3781 | #ifdef XK_dead_grave | |
3782 | || orig_keysym == XK_dead_grave | |
3783 | #endif | |
3784 | #ifdef XK_dead_tilde | |
3785 | || orig_keysym == XK_dead_tilde | |
3786 | #endif | |
3787 | #ifdef XK_dead_diaeresis | |
3788 | || orig_keysym == XK_dead_diaeresis | |
3789 | #endif | |
3790 | #ifdef XK_dead_macron | |
3791 | || orig_keysym == XK_dead_macron | |
3792 | #endif | |
3793 | #ifdef XK_dead_degree | |
3794 | || orig_keysym == XK_dead_degree | |
3795 | #endif | |
3796 | #ifdef XK_dead_acute | |
3797 | || orig_keysym == XK_dead_acute | |
3798 | #endif | |
3799 | #ifdef XK_dead_cedilla | |
3800 | || orig_keysym == XK_dead_cedilla | |
3801 | #endif | |
3802 | #ifdef XK_dead_breve | |
3803 | || orig_keysym == XK_dead_breve | |
3804 | #endif | |
3805 | #ifdef XK_dead_ogonek | |
3806 | || orig_keysym == XK_dead_ogonek | |
3807 | #endif | |
3808 | #ifdef XK_dead_caron | |
3809 | || orig_keysym == XK_dead_caron | |
3810 | #endif | |
3811 | #ifdef XK_dead_doubleacute | |
3812 | || orig_keysym == XK_dead_doubleacute | |
3813 | #endif | |
3814 | #ifdef XK_dead_abovedot | |
3815 | || orig_keysym == XK_dead_abovedot | |
c34790e0 | 3816 | #endif |
64a07219 JB |
3817 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3818 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
05f6617d RS |
3819 | /* Any "vendor-specific" key is ok. */ |
3820 | || (orig_keysym & (1 << 28))) | |
7719aa06 RS |
3821 | && ! (IsModifierKey (orig_keysym) |
3822 | #ifndef HAVE_X11R5 | |
3823 | #ifdef XK_Mode_switch | |
3824 | || ((unsigned)(orig_keysym) == XK_Mode_switch) | |
3825 | #endif | |
3826 | #ifdef XK_Num_Lock | |
3827 | || ((unsigned)(orig_keysym) == XK_Num_Lock) | |
3828 | #endif | |
3829 | #endif /* not HAVE_X11R5 */ | |
3830 | )) | |
dc6f92b8 | 3831 | { |
10e6549c RS |
3832 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3833 | temp_index = 0; | |
3834 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 3835 | bufp->kind = non_ascii_keystroke; |
69388238 | 3836 | bufp->code = keysym; |
12ba150f | 3837 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3838 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3839 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3840 | bufp++; |
3841 | count++; | |
3842 | numchars--; | |
3843 | } | |
3844 | else if (numchars > nbytes) | |
3845 | { | |
3846 | register int i; | |
3847 | ||
10e6549c | 3848 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 3849 | { |
10e6549c RS |
3850 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3851 | temp_index = 0; | |
3852 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 3853 | bufp->kind = ascii_keystroke; |
69388238 | 3854 | bufp->code = copy_buffer[i]; |
12ba150f | 3855 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3856 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3857 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3858 | bufp++; |
3859 | } | |
dc6f92b8 JB |
3860 | |
3861 | count += nbytes; | |
3862 | numchars -= nbytes; | |
3863 | } | |
10e6549c RS |
3864 | else |
3865 | abort (); | |
dc6f92b8 | 3866 | } |
10e6549c RS |
3867 | else |
3868 | abort (); | |
dc6f92b8 JB |
3869 | } |
3870 | break; | |
c118dd06 | 3871 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3872 | case KeyPressed: |
3873 | { | |
3874 | register char *where_mapping; | |
3875 | ||
f676886a | 3876 | f = x_window_to_frame (event.window); |
dc6f92b8 | 3877 | /* Ignore keys typed on icon windows. */ |
f676886a | 3878 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
3879 | break; |
3880 | where_mapping = XLookupMapping (&event, &nbytes); | |
3881 | /* Nasty fix for arrow keys */ | |
3882 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
3883 | { | |
3884 | switch (event.detail & 0xff) | |
3885 | { | |
3886 | case KC_CURSOR_LEFT: | |
3887 | where_mapping = "\002"; | |
3888 | break; | |
3889 | case KC_CURSOR_RIGHT: | |
3890 | where_mapping = "\006"; | |
3891 | break; | |
3892 | case KC_CURSOR_UP: | |
3893 | where_mapping = "\020"; | |
3894 | break; | |
3895 | case KC_CURSOR_DOWN: | |
3896 | where_mapping = "\016"; | |
3897 | break; | |
3898 | } | |
3899 | nbytes = 1; | |
3900 | } | |
3901 | if (numchars - nbytes > 0) | |
3902 | { | |
3903 | register int i; | |
3904 | ||
3905 | for (i = 0; i < nbytes; i++) | |
3906 | { | |
3907 | bufp->kind = ascii_keystroke; | |
69388238 | 3908 | bufp->code = where_mapping[i]; |
90e65f07 | 3909 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 3910 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
3911 | bufp++; |
3912 | } | |
3913 | count += nbytes; | |
3914 | numchars -= nbytes; | |
3915 | } | |
3916 | } | |
3917 | break; | |
c118dd06 | 3918 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3919 | |
3920 | #ifdef HAVE_X11 | |
f451eb13 JB |
3921 | |
3922 | /* Here's a possible interpretation of the whole | |
3923 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3924 | FocusIn event, you have to get a FocusOut event before you | |
3925 | relinquish the focus. If you haven't received a FocusIn event, | |
3926 | then a mere LeaveNotify is enough to free you. */ | |
3927 | ||
dc6f92b8 | 3928 | case EnterNotify: |
1dea5a83 | 3929 | f = x_any_window_to_frame (event.xcrossing.window); |
6d4238f3 | 3930 | |
f451eb13 | 3931 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3932 | { |
dc6f92b8 | 3933 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
3934 | if (f && (!(f->auto_raise) |
3935 | || !(f->auto_lower) | |
dc6f92b8 JB |
3936 | || (event.xcrossing.time - enter_timestamp) > 500)) |
3937 | { | |
f676886a | 3938 | x_new_focus_frame (f); |
dc6f92b8 JB |
3939 | enter_timestamp = event.xcrossing.time; |
3940 | } | |
dc6f92b8 | 3941 | } |
f676886a JB |
3942 | else if (f == x_focus_frame) |
3943 | x_new_focus_frame (0); | |
da893f1f RS |
3944 | /* EnterNotify counts as mouse movement, |
3945 | so update things that depend on mouse position. */ | |
3946 | if (f) | |
3947 | note_mouse_movement (f, &event.xmotion); | |
3afe33e7 RS |
3948 | #ifdef USE_X_TOOLKIT |
3949 | goto OTHER; | |
3950 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3951 | break; |
3952 | ||
3953 | case FocusIn: | |
1dea5a83 | 3954 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3955 | if (event.xfocus.detail != NotifyPointer) |
3956 | x_focus_event_frame = f; | |
f676886a JB |
3957 | if (f) |
3958 | x_new_focus_frame (f); | |
3afe33e7 RS |
3959 | #ifdef USE_X_TOOLKIT |
3960 | goto OTHER; | |
3961 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3962 | break; |
3963 | ||
f451eb13 | 3964 | |
dc6f92b8 | 3965 | case LeaveNotify: |
10c5e63d KH |
3966 | f = x_top_window_to_frame (event.xcrossing.window); |
3967 | if (f) | |
f451eb13 | 3968 | { |
10c5e63d KH |
3969 | if (f == mouse_face_mouse_frame) |
3970 | /* If we move outside the frame, | |
3971 | then we're certainly no longer on any text in the frame. */ | |
3972 | clear_mouse_face (); | |
3973 | ||
3974 | if (event.xcrossing.focus) | |
3975 | { | |
3976 | if (! x_focus_event_frame) | |
3977 | x_new_focus_frame (0); | |
3978 | else | |
3979 | x_new_focus_frame (f); | |
3980 | } | |
3981 | else | |
3982 | { | |
3983 | if (f == x_focus_event_frame) | |
3984 | x_focus_event_frame = 0; | |
3985 | if (f == x_focus_frame) | |
3986 | x_new_focus_frame (0); | |
3987 | } | |
dc6f92b8 | 3988 | } |
3afe33e7 RS |
3989 | #ifdef USE_X_TOOLKIT |
3990 | goto OTHER; | |
3991 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3992 | break; |
3993 | ||
3994 | case FocusOut: | |
1dea5a83 | 3995 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3996 | if (event.xfocus.detail != NotifyPointer |
3997 | && f == x_focus_event_frame) | |
3998 | x_focus_event_frame = 0; | |
f676886a JB |
3999 | if (f && f == x_focus_frame) |
4000 | x_new_focus_frame (0); | |
3afe33e7 RS |
4001 | #ifdef USE_X_TOOLKIT |
4002 | goto OTHER; | |
4003 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4004 | break; |
4005 | ||
c118dd06 | 4006 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4007 | |
4008 | case EnterWindow: | |
4009 | if ((event.detail & 0xFF) == 1) | |
4010 | break; /* Coming from our own subwindow */ | |
4011 | if (event.subwindow != 0) | |
4012 | break; /* Entering our own subwindow. */ | |
4013 | ||
4014 | { | |
f676886a JB |
4015 | f = x_window_to_frame (event.window); |
4016 | x_mouse_frame = f; | |
dc6f92b8 | 4017 | |
f676886a | 4018 | x_new_focus_frame (f); |
dc6f92b8 JB |
4019 | } |
4020 | break; | |
4021 | ||
4022 | case LeaveWindow: | |
4023 | if ((event.detail & 0xFF) == 1) | |
4024 | break; /* Entering our own subwindow */ | |
4025 | if (event.subwindow != 0) | |
4026 | break; /* Leaving our own subwindow. */ | |
4027 | ||
f676886a JB |
4028 | x_mouse_frame = 0; |
4029 | if (x_focus_frame == 0 | |
4030 | && x_input_frame != 0 | |
4031 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 4032 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 4033 | { |
f676886a JB |
4034 | f = x_input_frame; |
4035 | x_input_frame = 0; | |
4036 | if (f) | |
4037 | frame_unhighlight (f); | |
dc6f92b8 JB |
4038 | } |
4039 | break; | |
c118dd06 | 4040 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4041 | |
4042 | #ifdef HAVE_X11 | |
4043 | case MotionNotify: | |
4044 | { | |
06ef4a3f | 4045 | if (x_mouse_grabbed && FRAME_LIVE_P (last_mouse_frame)) |
69388238 RS |
4046 | f = last_mouse_frame; |
4047 | else | |
4048 | f = x_window_to_frame (event.xmotion.window); | |
f676886a | 4049 | if (f) |
12ba150f | 4050 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 4051 | else |
dc6f92b8 | 4052 | { |
69388238 RS |
4053 | struct scroll_bar *bar |
4054 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
4055 | |
4056 | if (bar) | |
ab648270 | 4057 | x_scroll_bar_note_movement (bar, &event); |
b8009dd1 RS |
4058 | |
4059 | /* If we move outside the frame, | |
4060 | then we're certainly no longer on any text in the frame. */ | |
4061 | clear_mouse_face (); | |
dc6f92b8 | 4062 | } |
dc6f92b8 | 4063 | } |
0a178815 RS |
4064 | #if 0 /* This should be unnecessary, since the toolkit has no use |
4065 | for motion events that happen outside of the menu event loop, | |
4066 | and it seems to cause the bug that mouse events stop coming | |
4067 | after a while. */ | |
3afe33e7 RS |
4068 | #ifdef USE_X_TOOLKIT |
4069 | goto OTHER; | |
4070 | #endif /* USE_X_TOOLKIT */ | |
0a178815 | 4071 | #endif |
dc6f92b8 JB |
4072 | break; |
4073 | ||
4074 | case ConfigureNotify: | |
13ce2d73 | 4075 | f = x_any_window_to_frame (event.xconfigure.window); |
3afe33e7 | 4076 | #ifdef USE_X_TOOLKIT |
13ce2d73 | 4077 | if (f |
3a35ab44 | 4078 | #if 0 |
13ce2d73 | 4079 | && ! event.xconfigure.send_event |
3a35ab44 | 4080 | #endif |
13ce2d73 FP |
4081 | && (event.xconfigure.window == XtWindow (f->display.x->widget))) |
4082 | { | |
4083 | Window win, child; | |
4084 | int win_x, win_y; | |
4085 | ||
4086 | /* Find the position of the outside upper-left corner of | |
4087 | the window, in the root coordinate system. Don't | |
4088 | refer to the parent window here; we may be processing | |
4089 | this event after the window manager has changed our | |
4090 | parent, but before we have reached the ReparentNotify. */ | |
4091 | XTranslateCoordinates (x_current_display, | |
4092 | ||
4093 | /* From-window, to-window. */ | |
4094 | XtWindow (f->display.x->widget), | |
4095 | ROOT_WINDOW, | |
4096 | ||
4097 | /* From-position, to-position. */ | |
4098 | -event.xconfigure.border_width, | |
4099 | -event.xconfigure.border_width, | |
4100 | &win_x, &win_y, | |
4101 | ||
4102 | /* Child of win. */ | |
4103 | &child); | |
4104 | event.xconfigure.x = win_x; | |
4105 | event.xconfigure.y = win_y; | |
4106 | ||
4107 | f->display.x->pixel_width = event.xconfigure.width; | |
4108 | f->display.x->pixel_height = event.xconfigure.height; | |
4109 | f->display.x->left_pos = event.xconfigure.x; | |
4110 | f->display.x->top_pos = event.xconfigure.y; | |
3a35ab44 RS |
4111 | |
4112 | /* What we have now is the position of Emacs's own window. | |
4113 | Convert that to the position of the window manager window. */ | |
4114 | { | |
4115 | int x, y; | |
4116 | x_real_positions (f, &x, &y); | |
4117 | f->display.x->left_pos = x; | |
4118 | f->display.x->top_pos = y; | |
4119 | } | |
13ce2d73 FP |
4120 | } |
4121 | goto OTHER; | |
3afe33e7 | 4122 | #else /* not USE_X_TOOLKIT */ |
dbc4e1c1 JB |
4123 | if (f) |
4124 | { | |
4125 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
4126 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
4127 | ||
4128 | /* Even if the number of character rows and columns has | |
4129 | not changed, the font size may have changed, so we need | |
4130 | to check the pixel dimensions as well. */ | |
4131 | if (columns != f->width | |
4132 | || rows != f->height | |
4133 | || event.xconfigure.width != f->display.x->pixel_width | |
4134 | || event.xconfigure.height != f->display.x->pixel_height) | |
4135 | { | |
4136 | change_frame_size (f, rows, columns, 0, 1); | |
4137 | SET_FRAME_GARBAGED (f); | |
4138 | } | |
dc6f92b8 | 4139 | |
3bd330d4 | 4140 | if (! event.xconfigure.send_event) |
af395ec1 RS |
4141 | { |
4142 | Window win, child; | |
4143 | int win_x, win_y; | |
4144 | ||
6cc35d86 JB |
4145 | /* Find the position of the outside upper-left corner of |
4146 | the window, in the root coordinate system. Don't | |
4147 | refer to the parent window here; we may be processing | |
4148 | this event after the window manager has changed our | |
4149 | parent, but before we have reached the ReparentNotify. */ | |
af395ec1 RS |
4150 | XTranslateCoordinates (x_current_display, |
4151 | ||
4152 | /* From-window, to-window. */ | |
6cc35d86 | 4153 | f->display.x->window_desc, |
3bd330d4 | 4154 | ROOT_WINDOW, |
af395ec1 RS |
4155 | |
4156 | /* From-position, to-position. */ | |
6cc35d86 JB |
4157 | -event.xconfigure.border_width, |
4158 | -event.xconfigure.border_width, | |
af395ec1 RS |
4159 | &win_x, &win_y, |
4160 | ||
4161 | /* Child of win. */ | |
4162 | &child); | |
4163 | event.xconfigure.x = win_x; | |
4164 | event.xconfigure.y = win_y; | |
4165 | } | |
4166 | ||
dbc4e1c1 JB |
4167 | f->display.x->pixel_width = event.xconfigure.width; |
4168 | f->display.x->pixel_height = event.xconfigure.height; | |
4169 | f->display.x->left_pos = event.xconfigure.x; | |
4170 | f->display.x->top_pos = event.xconfigure.y; | |
3a35ab44 RS |
4171 | |
4172 | /* What we have now is the position of Emacs's own window. | |
4173 | Convert that to the position of the window manager window. */ | |
4174 | { | |
4175 | int x, y; | |
4176 | x_real_positions (f, &x, &y); | |
4177 | f->display.x->left_pos = x; | |
4178 | f->display.x->top_pos = y; | |
fd13dbb2 RS |
4179 | if (y != event.xconfigure.y) |
4180 | { | |
4181 | /* Since the WM decorations come below top_pos now, | |
4182 | we must put them below top_pos in the future. */ | |
4183 | f->display.x->win_gravity = NorthWestGravity; | |
4184 | x_wm_set_size_hint (f, 0, 0); | |
4185 | } | |
3a35ab44 | 4186 | } |
dbc4e1c1 | 4187 | } |
3afe33e7 | 4188 | #endif /* not USE_X_TOOLKIT */ |
dbc4e1c1 | 4189 | break; |
dc6f92b8 JB |
4190 | |
4191 | case ButtonPress: | |
4192 | case ButtonRelease: | |
4193 | { | |
4194 | /* If we decide we want to generate an event to be seen | |
4195 | by the rest of Emacs, we put it here. */ | |
4196 | struct input_event emacs_event; | |
4197 | emacs_event.kind = no_event; | |
4198 | ||
9b07615b RS |
4199 | bzero (&compose_status, sizeof (compose_status)); |
4200 | ||
f676886a JB |
4201 | f = x_window_to_frame (event.xbutton.window); |
4202 | if (f) | |
f451eb13 JB |
4203 | { |
4204 | if (!x_focus_frame || (f == x_focus_frame)) | |
69388238 | 4205 | construct_mouse_click (&emacs_event, &event, f); |
f451eb13 | 4206 | } |
dc6f92b8 | 4207 | else |
f451eb13 | 4208 | { |
ab648270 JB |
4209 | struct scroll_bar *bar = |
4210 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
4211 | |
4212 | if (bar) | |
ab648270 | 4213 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
3afe33e7 RS |
4214 | #ifdef USE_X_TOOLKIT |
4215 | else | |
4216 | { | |
4217 | f = x_any_window_to_frame (event.xbutton.window); | |
4218 | if (f && event.type == ButtonPress) | |
4219 | construct_menu_click (&emacs_event, | |
4220 | &event, f); | |
4221 | } | |
4222 | #endif /* USE_X_TOOLKIT */ | |
f451eb13 | 4223 | } |
dc6f92b8 JB |
4224 | |
4225 | if (numchars >= 1 && emacs_event.kind != no_event) | |
4226 | { | |
4227 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
4228 | bufp++; | |
4229 | count++; | |
4230 | numchars--; | |
4231 | } | |
3afe33e7 RS |
4232 | |
4233 | #ifdef USE_X_TOOLKIT | |
4234 | goto OTHER; | |
4235 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4236 | } |
4237 | break; | |
4238 | ||
c118dd06 | 4239 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4240 | case ButtonPressed: |
4241 | case ButtonReleased: | |
f676886a JB |
4242 | f = x_window_to_frame (event.window); |
4243 | if (f) | |
dc6f92b8 | 4244 | { |
f676886a | 4245 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 4246 | { |
f676886a | 4247 | x_make_frame_visible (f); |
dc6f92b8 JB |
4248 | |
4249 | if (warp_mouse_on_deiconify) | |
c118dd06 | 4250 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
4251 | break; |
4252 | } | |
c118dd06 | 4253 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 4254 | { |
f676886a JB |
4255 | if (f->auto_raise) |
4256 | x_raise_frame (f); | |
dc6f92b8 JB |
4257 | } |
4258 | } | |
4259 | enqueue_event (&event, &x_mouse_queue); | |
4260 | if (numchars >= 2) | |
4261 | { | |
4262 | bufp->kind = ascii_keystroke; | |
69388238 | 4263 | bufp->code = 'X' & 037; /* C-x */ |
12ba150f | 4264 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 4265 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
4266 | bufp++; |
4267 | ||
4268 | bufp->kind = ascii_keystroke; | |
69388238 | 4269 | bufp->code = 0; /* C-@ */ |
12ba150f | 4270 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 4271 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
4272 | bufp++; |
4273 | ||
4274 | count += 2; | |
4275 | numchars -= 2; | |
4276 | } | |
4277 | break; | |
c118dd06 | 4278 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4279 | |
4280 | #ifdef HAVE_X11 | |
4281 | ||
4282 | case CirculateNotify: | |
4283 | break; | |
4284 | case CirculateRequest: | |
4285 | break; | |
4286 | ||
c118dd06 | 4287 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4288 | |
4289 | case MappingNotify: | |
11edeb03 JB |
4290 | /* Someone has changed the keyboard mapping - update the |
4291 | local cache. */ | |
4292 | switch (event.xmapping.request) | |
4293 | { | |
4294 | case MappingModifier: | |
4295 | x_find_modifier_meanings (); | |
4296 | /* This is meant to fall through. */ | |
4297 | case MappingKeyboard: | |
4298 | XRefreshKeyboardMapping (&event.xmapping); | |
4299 | } | |
3afe33e7 RS |
4300 | #ifdef USE_X_TOOLKIT |
4301 | goto OTHER; | |
4302 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4303 | break; |
4304 | ||
4305 | default: | |
3afe33e7 RS |
4306 | #ifdef USE_X_TOOLKIT |
4307 | OTHER: | |
4308 | BLOCK_INPUT; | |
4309 | XtDispatchEvent (&event); | |
4310 | UNBLOCK_INPUT; | |
4311 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4312 | break; |
4313 | } | |
4314 | } | |
4315 | ||
502add23 | 4316 | #ifdef X_IO_BUG |
ef2a22d0 RS |
4317 | if (! event_found) |
4318 | { | |
4319 | /* On some systems, an X bug causes Emacs to get no more events | |
4320 | when the window is destroyed. Detect that. (1994.) */ | |
4321 | /* Emacs and the X Server eats up CPU time if XNoOp is done every time. | |
4322 | One XNOOP in 100 loops will make Emacs terminate. | |
4323 | B. Bretthauer, 1994 */ | |
4324 | x_noop_count++; | |
4325 | if (x_noop_count >= 100) | |
4326 | { | |
4327 | x_noop_count=0; | |
4328 | XNoOp (x_current_display); | |
4329 | } | |
4330 | } | |
502add23 RS |
4331 | #endif /* X_IO_BUG */ |
4332 | ||
7071e5dd RS |
4333 | #if 0 /* This fails for serial-line connections to the X server, |
4334 | because the characters arrive one by one, and a partial | |
4335 | command makes select return but gives nothing to read. | |
4336 | We'll have to hope that the bug that this tried to fix | |
4337 | in 1988 has been fixed in Xlib or the X server. */ | |
dc6f92b8 JB |
4338 | #ifdef HAVE_SELECT |
4339 | if (expected && ! event_found) | |
4340 | { | |
4341 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
4342 | there is an EOF condition; in other words, that X has died. | |
4343 | Act as if there had been a hangup. */ | |
dc6f92b8 | 4344 | int fd = ConnectionNumber (x_current_display); |
307feb1f | 4345 | SELECT_TYPE mask, junk1, junk2; |
66f55a9d | 4346 | EMACS_TIME timeout; |
dc6f92b8 | 4347 | |
61c3ce62 RS |
4348 | FD_ZERO (&mask); |
4349 | FD_SET (fd, &mask); | |
66f55a9d | 4350 | EMACS_SET_SECS_USECS (timeout, 0, 0); |
307feb1f RS |
4351 | FD_ZERO (&junk1); |
4352 | FD_ZERO (&junk2); | |
4353 | if (0 != select (fd + 1, &mask, &junk1, &junk2, &timeout) | |
dc6f92b8 JB |
4354 | && !XStuffPending ()) |
4355 | kill (getpid (), SIGHUP); | |
4356 | } | |
61c3ce62 | 4357 | #endif /* HAVE_SELECT */ |
7071e5dd | 4358 | #endif /* 0 */ |
dc6f92b8 | 4359 | |
f451eb13 | 4360 | #ifndef HAVE_X11 |
f676886a | 4361 | if (updating_frame == 0) |
dc6f92b8 | 4362 | x_do_pending_expose (); |
f451eb13 | 4363 | #endif |
dc6f92b8 | 4364 | |
0134a210 RS |
4365 | /* If the focus was just given to an autoraising frame, |
4366 | raise it now. */ | |
4367 | #ifdef HAVE_X11 | |
4368 | if (pending_autoraise_frame) | |
4369 | { | |
4370 | x_raise_frame (pending_autoraise_frame); | |
4371 | pending_autoraise_frame = 0; | |
4372 | } | |
4373 | #endif | |
4374 | ||
dc6f92b8 JB |
4375 | UNBLOCK_INPUT; |
4376 | return count; | |
4377 | } | |
4378 | ||
4379 | #ifndef HAVE_X11 | |
4380 | /* Read and process only Expose events | |
4381 | until we get an ExposeCopy event; then return. | |
4382 | This is used in insert/delete line. | |
4383 | We assume input is already blocked. */ | |
4384 | ||
4385 | static void | |
4386 | x_read_exposes () | |
4387 | { | |
f676886a | 4388 | struct frame *f; |
dc6f92b8 JB |
4389 | XKeyPressedEvent event; |
4390 | ||
4391 | while (1) | |
4392 | { | |
4393 | /* while there are more events*/ | |
4394 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
4395 | switch (event.type) | |
4396 | { | |
4397 | case ExposeWindow: | |
4398 | if (event.subwindow != 0) | |
4399 | break; /* duplicate event */ | |
f676886a JB |
4400 | f = x_window_to_frame (event.window); |
4401 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 4402 | { |
f676886a | 4403 | refreshicon (f); |
dc6f92b8 JB |
4404 | break; |
4405 | } | |
c118dd06 | 4406 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
4407 | { |
4408 | expose_all_windows = 1; | |
f676886a | 4409 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
4410 | break; |
4411 | } | |
4412 | break; | |
4413 | ||
4414 | case ExposeRegion: | |
4415 | if (event.subwindow != 0) | |
4416 | break; /* duplicate event */ | |
f676886a JB |
4417 | f = x_window_to_frame (event.window); |
4418 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 4419 | { |
f676886a | 4420 | refreshicon (f); |
dc6f92b8 JB |
4421 | break; |
4422 | } | |
4423 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 4424 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
4425 | break; |
4426 | /* Put the event on the queue of rectangles to redraw. */ | |
4427 | if (enqueue_event (&event, &x_expose_queue)) | |
4428 | /* If it is full, we can't record the rectangle, | |
4429 | so redraw this entire window. */ | |
4430 | { | |
4431 | /* Say must check all windows' needs_exposure flags. */ | |
4432 | expose_all_windows = 1; | |
f676886a | 4433 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
4434 | } |
4435 | break; | |
4436 | ||
4437 | case ExposeCopy: | |
4438 | return; | |
4439 | } | |
4440 | } | |
4441 | } | |
4442 | #endif /* HAVE_X11 */ | |
4443 | ||
dc6f92b8 | 4444 | \f |
f451eb13 JB |
4445 | /* Drawing the cursor. */ |
4446 | ||
4447 | ||
dc6f92b8 JB |
4448 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
4449 | ||
4450 | static void | |
f676886a JB |
4451 | x_draw_box (f) |
4452 | struct frame *f; | |
dc6f92b8 | 4453 | { |
2a6cf806 RS |
4454 | int left = CHAR_TO_PIXEL_COL (f, curs_x); |
4455 | int top = CHAR_TO_PIXEL_ROW (f, curs_y); | |
f676886a | 4456 | int width = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 4457 | int height = f->display.x->line_height; |
dc6f92b8 JB |
4458 | |
4459 | #ifdef HAVE_X11 | |
c118dd06 | 4460 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4461 | f->display.x->cursor_gc, |
dc6f92b8 | 4462 | left, top, width - 1, height - 1); |
c118dd06 JB |
4463 | #else /* ! defined (HAVE_X11) */ |
4464 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 4465 | left, top, width, 1, |
f676886a | 4466 | f->display.x->cursor_pixel); |
dc6f92b8 | 4467 | |
c118dd06 | 4468 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4469 | left, top, 1, height, |
f676886a | 4470 | f->display.x->cursor_pixel); |
dc6f92b8 | 4471 | |
c118dd06 | 4472 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4473 | left+width-1, top, 1, height, |
f676886a | 4474 | f->display.x->cursor_pixel); |
dc6f92b8 | 4475 | |
c118dd06 | 4476 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4477 | left, top+height-1, width, 1, |
f676886a | 4478 | f->display.x->cursor_pixel); |
c118dd06 | 4479 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4480 | } |
4481 | ||
f676886a | 4482 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4483 | and mark the cursor as not shown. |
4484 | This is used when the text where the cursor is | |
4485 | is about to be rewritten. */ | |
4486 | ||
4487 | static void | |
f676886a JB |
4488 | clear_cursor (f) |
4489 | struct frame *f; | |
dc6f92b8 JB |
4490 | { |
4491 | int mask; | |
4492 | ||
f451eb13 | 4493 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4494 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4495 | return; |
4496 | ||
4497 | #ifdef HAVE_X11 | |
f676886a | 4498 | x_display_cursor (f, 0); |
c118dd06 JB |
4499 | #else /* ! defined (HAVE_X11) */ |
4500 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
4501 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4502 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
a27f9f86 | 4503 | FONT_WIDTH (f->display.x->font), f->display.x->line_height, |
f676886a | 4504 | f->display.x->background_pixel); |
c118dd06 | 4505 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 4506 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4507 | } |
4508 | ||
f676886a | 4509 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4510 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4511 | glyph drawn. */ | |
dc6f92b8 JB |
4512 | |
4513 | static void | |
f676886a JB |
4514 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4515 | struct frame *f; | |
dc6f92b8 | 4516 | int row, column; |
90e65f07 | 4517 | GLYPH glyph; |
dc6f92b8 JB |
4518 | int highlight; |
4519 | { | |
f676886a | 4520 | dumpglyphs (f, |
12ba150f JB |
4521 | CHAR_TO_PIXEL_COL (f, column), |
4522 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4523 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4524 | } |
4525 | ||
dc6f92b8 | 4526 | static void |
dbc4e1c1 | 4527 | x_display_bar_cursor (f, on) |
f676886a | 4528 | struct frame *f; |
dc6f92b8 JB |
4529 | int on; |
4530 | { | |
f676886a | 4531 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4532 | |
49d838ea JB |
4533 | /* This is pointless on invisible frames, and dangerous on garbaged |
4534 | frames; in the latter case, the frame may be in the midst of | |
4535 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4536 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
4537 | return; |
4538 | ||
4539 | if (! on && f->phys_cursor_x < 0) | |
4540 | return; | |
4541 | ||
f676886a | 4542 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 4543 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 4544 | if (f != updating_frame) |
1113d9db | 4545 | { |
f676886a JB |
4546 | curs_x = FRAME_CURSOR_X (f); |
4547 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
4548 | } |
4549 | ||
dbc4e1c1 JB |
4550 | /* If there is anything wrong with the current cursor state, remove it. */ |
4551 | if (f->phys_cursor_x >= 0 | |
4552 | && (!on | |
4553 | || f->phys_cursor_x != curs_x | |
4554 | || f->phys_cursor_y != curs_y | |
4555 | || f->display.x->current_cursor != bar_cursor)) | |
4556 | { | |
4557 | /* Erase the cursor by redrawing the character underneath it. */ | |
4558 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4559 | f->phys_cursor_glyph, | |
4560 | current_glyphs->highlight[f->phys_cursor_y]); | |
4561 | f->phys_cursor_x = -1; | |
4562 | } | |
4563 | ||
4564 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4565 | if (on | |
4566 | && (f->phys_cursor_x < 0 | |
4567 | || (f->display.x->current_cursor != bar_cursor))) | |
4568 | { | |
4569 | f->phys_cursor_glyph | |
4570 | = ((current_glyphs->enable[curs_y] | |
4571 | && curs_x < current_glyphs->used[curs_y]) | |
4572 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4573 | : SPACEGLYPH); | |
4574 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
4575 | f->display.x->cursor_gc, | |
4576 | CHAR_TO_PIXEL_COL (f, curs_x), | |
4577 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
a27f9f86 | 4578 | 1, f->display.x->line_height); |
dbc4e1c1 JB |
4579 | |
4580 | f->phys_cursor_x = curs_x; | |
4581 | f->phys_cursor_y = curs_y; | |
4582 | ||
4583 | f->display.x->current_cursor = bar_cursor; | |
4584 | } | |
4585 | ||
4586 | if (updating_frame != f) | |
4587 | XFlushQueue (); | |
4588 | } | |
4589 | ||
4590 | ||
4591 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4592 | If ON is nonzero, where to put the cursor is specified | |
4593 | by F->cursor_x and F->cursor_y. */ | |
4594 | ||
4595 | static void | |
4596 | x_display_box_cursor (f, on) | |
4597 | struct frame *f; | |
4598 | int on; | |
4599 | { | |
4600 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4601 | ||
49d838ea JB |
4602 | /* This is pointless on invisible frames, and dangerous on garbaged |
4603 | frames; in the latter case, the frame may be in the midst of | |
4604 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4605 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
4606 | return; |
4607 | ||
4608 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4609 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4610 | return; |
4611 | ||
dbc4e1c1 JB |
4612 | /* If we're not updating, then we want to use the current frame's |
4613 | cursor position, not our local idea of where the cursor ought to be. */ | |
4614 | if (f != updating_frame) | |
4615 | { | |
4616 | curs_x = FRAME_CURSOR_X (f); | |
4617 | curs_y = FRAME_CURSOR_Y (f); | |
4618 | } | |
4619 | ||
dc6f92b8 JB |
4620 | /* If cursor is currently being shown and we don't want it to be |
4621 | or it is in the wrong place, | |
4622 | or we want a hollow box and it's not so, (pout!) | |
4623 | erase it. */ | |
f676886a | 4624 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4625 | && (!on |
f676886a JB |
4626 | || f->phys_cursor_x != curs_x |
4627 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 4628 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 4629 | && (f != x_highlight_frame)))) |
dc6f92b8 | 4630 | { |
79cf7456 RS |
4631 | int mouse_face_here = 0; |
4632 | ||
4633 | /* If the cursor is in the mouse face area, redisplay that when | |
4634 | we clear the cursor. */ | |
4635 | if (f == mouse_face_mouse_frame | |
4636 | && | |
4637 | (f->phys_cursor_y > mouse_face_beg_row | |
4638 | || (f->phys_cursor_y == mouse_face_beg_row | |
4639 | && f->phys_cursor_x >= mouse_face_beg_col)) | |
4640 | && | |
4641 | (f->phys_cursor_y < mouse_face_end_row | |
4642 | || (f->phys_cursor_y == mouse_face_end_row | |
4643 | && f->phys_cursor_x < mouse_face_end_col))) | |
4644 | mouse_face_here = 1; | |
4645 | ||
0cdd0c9f RS |
4646 | /* If the font is not as tall as a whole line, |
4647 | we must explicitly clear the line's whole height. */ | |
4648 | if (FONT_HEIGHT (f->display.x->font) != f->display.x->line_height) | |
4649 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
4650 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), | |
4651 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
4652 | FONT_WIDTH (f->display.x->font), | |
4653 | f->display.x->line_height, False); | |
dc6f92b8 | 4654 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4655 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4656 | f->phys_cursor_glyph, | |
79cf7456 RS |
4657 | (mouse_face_here |
4658 | ? 3 | |
4659 | : current_glyphs->highlight[f->phys_cursor_y])); | |
f676886a | 4660 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4661 | } |
4662 | ||
4663 | /* If we want to show a cursor, | |
4664 | or we want a box cursor and it's not so, | |
4665 | write it in the right place. */ | |
4666 | if (on | |
f676886a | 4667 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 4668 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 4669 | && f == x_highlight_frame))) |
dc6f92b8 | 4670 | { |
f676886a | 4671 | f->phys_cursor_glyph |
1113d9db JB |
4672 | = ((current_glyphs->enable[curs_y] |
4673 | && curs_x < current_glyphs->used[curs_y]) | |
4674 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 4675 | : SPACEGLYPH); |
f676886a | 4676 | if (f != x_highlight_frame) |
dc6f92b8 | 4677 | { |
f676886a | 4678 | x_draw_box (f); |
dbc4e1c1 | 4679 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4680 | } |
4681 | else | |
4682 | { | |
f676886a JB |
4683 | x_draw_single_glyph (f, curs_y, curs_x, |
4684 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 4685 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4686 | } |
4687 | ||
f676886a JB |
4688 | f->phys_cursor_x = curs_x; |
4689 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
4690 | } |
4691 | ||
f676886a | 4692 | if (updating_frame != f) |
dc6f92b8 JB |
4693 | XFlushQueue (); |
4694 | } | |
4695 | ||
f676886a JB |
4696 | x_display_cursor (f, on) |
4697 | struct frame *f; | |
dc6f92b8 JB |
4698 | int on; |
4699 | { | |
f94397b5 KH |
4700 | BLOCK_INPUT; |
4701 | ||
dbc4e1c1 | 4702 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 4703 | x_display_box_cursor (f, on); |
dbc4e1c1 | 4704 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 4705 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
4706 | else |
4707 | /* Those are the only two we have implemented! */ | |
4708 | abort (); | |
f94397b5 KH |
4709 | |
4710 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4711 | } |
4712 | \f | |
4713 | /* Icons. */ | |
4714 | ||
f676886a | 4715 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4716 | when we get an expose event for it. */ |
4717 | ||
f676886a JB |
4718 | refreshicon (f) |
4719 | struct frame *f; | |
dc6f92b8 JB |
4720 | { |
4721 | #ifdef HAVE_X11 | |
4722 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 4723 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4724 | int mask; |
4725 | ||
f676886a JB |
4726 | if (f->display.x->icon_bitmap_flag) |
4727 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
4728 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
4729 | icon_bitmap, GXcopy, AllPlanes); | |
4730 | else | |
4731 | { | |
f676886a | 4732 | extern struct frame *selected_frame; |
dc6f92b8 JB |
4733 | struct Lisp_String *str; |
4734 | unsigned char *string; | |
4735 | ||
4736 | string | |
f676886a | 4737 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 4738 | |
f676886a | 4739 | if (f->display.x->icon_label != string) |
dc6f92b8 | 4740 | { |
f676886a JB |
4741 | f->display.x->icon_label = string; |
4742 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
4743 | XQueryWidth (string, icon_font_info->id) + 10, |
4744 | icon_font_info->height + 10); | |
4745 | } | |
4746 | ||
f676886a | 4747 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
4748 | str->size, icon_font_info->id, |
4749 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
4750 | } | |
4751 | XFlushQueue (); | |
c118dd06 | 4752 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4753 | } |
4754 | ||
dbc4e1c1 | 4755 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4756 | |
4757 | int | |
f676886a JB |
4758 | x_bitmap_icon (f) |
4759 | struct frame *f; | |
dc6f92b8 JB |
4760 | { |
4761 | int mask; | |
4762 | Window icon_window; | |
4763 | ||
c118dd06 | 4764 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4765 | return 1; |
4766 | ||
4767 | #ifdef HAVE_X11 | |
8583db58 RS |
4768 | if (! icon_bitmap) |
4769 | icon_bitmap = | |
4770 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), | |
4771 | gnu_bits, gnu_width, gnu_height); | |
f676886a JB |
4772 | x_wm_set_icon_pixmap (f, icon_bitmap); |
4773 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 4774 | #else /* ! defined (HAVE_X11) */ |
f676886a | 4775 | if (f->display.x->icon_desc) |
dc6f92b8 | 4776 | { |
c118dd06 | 4777 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 4778 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
4779 | } |
4780 | ||
f676886a | 4781 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
4782 | 0, 0, sink_width, sink_height, |
4783 | 2, WhitePixmap, (Pixmap) NULL); | |
4784 | ||
4785 | if (icon_window == 0) | |
4786 | return 1; | |
4787 | ||
c118dd06 | 4788 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4789 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
4790 | ||
f676886a JB |
4791 | f->display.x->icon_desc = icon_window; |
4792 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
4793 | |
4794 | if (icon_bitmap == 0) | |
4795 | icon_bitmap | |
4796 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 4797 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4798 | |
4799 | return 0; | |
4800 | } | |
4801 | ||
4802 | ||
f676886a | 4803 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
4804 | |
4805 | int | |
f676886a JB |
4806 | x_text_icon (f, icon_name) |
4807 | struct frame *f; | |
dc6f92b8 JB |
4808 | char *icon_name; |
4809 | { | |
4810 | #ifndef HAVE_X11 | |
4811 | int mask; | |
4812 | int width; | |
4813 | Window icon_window; | |
4814 | char *X_DefaultValue; | |
4815 | Bitmap b1; | |
4816 | ||
dc6f92b8 JB |
4817 | #ifndef WhitePixel |
4818 | #define WhitePixel 1 | |
c118dd06 | 4819 | #endif /* WhitePixel */ |
dc6f92b8 JB |
4820 | |
4821 | #ifndef BlackPixel | |
4822 | #define BlackPixel 0 | |
c118dd06 JB |
4823 | #endif /* BlackPixel */ |
4824 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 4825 | |
c118dd06 | 4826 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4827 | return 1; |
4828 | ||
dc6f92b8 JB |
4829 | #ifdef HAVE_X11 |
4830 | if (icon_name) | |
f676886a | 4831 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 4832 | else |
f676886a JB |
4833 | if (! f->display.x->icon_label) |
4834 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 4835 | |
dfeccd2d | 4836 | #if 0 |
c118dd06 | 4837 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4838 | (char *) f->display.x->icon_label); |
dfeccd2d | 4839 | #endif |
dc6f92b8 | 4840 | |
f676886a | 4841 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 4842 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 4843 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
4844 | if (icon_font_info == 0) |
4845 | icon_font_info | |
4846 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 4847 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
4848 | "BodyFont")); |
4849 | ||
f676886a | 4850 | if (f->display.x->icon_desc) |
dc6f92b8 | 4851 | { |
c118dd06 | 4852 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 4853 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
4854 | } |
4855 | ||
4856 | if (icon_name) | |
f676886a | 4857 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 4858 | else |
f676886a JB |
4859 | if (! f->display.x->icon_label) |
4860 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 4861 | |
f676886a JB |
4862 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
4863 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
4864 | f->display.x->left_pos, | |
4865 | f->display.x->top_pos, | |
dc6f92b8 JB |
4866 | width + 10, icon_font_info->height + 10, |
4867 | 2, BlackPixmap, WhitePixmap); | |
4868 | ||
4869 | if (icon_window == 0) | |
4870 | return 1; | |
4871 | ||
c118dd06 | 4872 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4873 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
4874 | ||
f676886a JB |
4875 | f->display.x->icon_desc = icon_window; |
4876 | f->display.x->icon_bitmap_flag = 0; | |
4877 | f->display.x->icon_label = 0; | |
c118dd06 | 4878 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4879 | |
4880 | return 0; | |
4881 | } | |
4882 | \f | |
4746118a JB |
4883 | /* Handling X errors. */ |
4884 | ||
12ba150f JB |
4885 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
4886 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 4887 | |
4746118a | 4888 | static SIGTYPE |
c118dd06 | 4889 | x_connection_closed () |
4746118a JB |
4890 | { |
4891 | if (_Xdebug) | |
4892 | abort (); | |
12ba150f | 4893 | |
1cd2d6d4 | 4894 | shut_down_emacs (0, 1, Qnil); |
12ba150f JB |
4895 | |
4896 | exit (70); | |
4746118a JB |
4897 | } |
4898 | ||
8922af5f JB |
4899 | /* An X error handler which prints an error message and then kills |
4900 | Emacs. This is what's normally installed as Xlib's handler for | |
4901 | protocol errors. */ | |
c118dd06 JB |
4902 | static int |
4903 | x_error_quitter (display, error) | |
4904 | Display *display; | |
4905 | XErrorEvent *error; | |
4906 | { | |
4907 | char buf[256]; | |
dc6f92b8 | 4908 | |
c118dd06 JB |
4909 | /* Note that there is no real way portable across R3/R4 to get the |
4910 | original error handler. */ | |
dc6f92b8 | 4911 | |
c118dd06 JB |
4912 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
4913 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
4914 | buf, error->request_code); | |
dc6f92b8 | 4915 | |
e09f9351 | 4916 | #if 0 |
12ba150f JB |
4917 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4918 | get an X error, so we can figure out why it happened. */ | |
4919 | abort (); | |
e09f9351 | 4920 | #endif |
12ba150f | 4921 | |
c118dd06 | 4922 | x_connection_closed (); |
dc6f92b8 JB |
4923 | } |
4924 | ||
8922af5f JB |
4925 | /* A handler for X IO errors which prints an error message and then |
4926 | kills Emacs. This is what is always installed as Xlib's handler | |
4927 | for I/O errors. */ | |
4928 | static int | |
4929 | x_io_error_quitter (display) | |
4930 | Display *display; | |
4931 | { | |
4932 | fprintf (stderr, "Connection to X server %s lost.\n", | |
4933 | XDisplayName (DisplayString (display))); | |
4934 | ||
e09f9351 | 4935 | #if 0 |
8922af5f JB |
4936 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4937 | get an X error, so we can figure out why it happened. */ | |
4938 | abort (); | |
e09f9351 | 4939 | #endif |
8922af5f JB |
4940 | |
4941 | x_connection_closed (); | |
4942 | } | |
4943 | ||
c118dd06 | 4944 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4945 | static char *x_caught_error_message; |
4946 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4947 | |
4948 | /* An X error handler which stores the error message in | |
4949 | x_caught_error_message. This is what's installed when | |
4950 | x_catch_errors is in effect. */ | |
4951 | static int | |
4952 | x_error_catcher (display, error) | |
4953 | Display *display; | |
4954 | XErrorEvent *error; | |
4955 | { | |
4956 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4957 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4958 | } |
4959 | ||
4960 | ||
4961 | /* Begin trapping X errors. | |
dc6f92b8 | 4962 | |
c118dd06 JB |
4963 | After calling this function, X protocol errors no longer cause |
4964 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4965 | |
c118dd06 JB |
4966 | Calling x_check_errors signals an Emacs error if an X error has |
4967 | occurred since the last call to x_catch_errors or x_check_errors. | |
4968 | ||
4969 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4970 | ||
bc20ebbf | 4971 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4972 | |
4973 | void | |
4974 | x_catch_errors () | |
dc6f92b8 | 4975 | { |
c118dd06 JB |
4976 | /* Make sure any errors from previous requests have been dealt with. */ |
4977 | XSync (x_current_display, False); | |
dc6f92b8 | 4978 | |
c118dd06 | 4979 | /* Set up the error buffer. */ |
60f9aad3 | 4980 | x_caught_error_message |
cef13e55 RS |
4981 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4982 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4983 | |
c118dd06 JB |
4984 | /* Install our little error handler. */ |
4985 | XHandleError (x_error_catcher); | |
4986 | } | |
16bd92ea | 4987 | |
c118dd06 JB |
4988 | /* If any X protocol errors have arrived since the last call to |
4989 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4990 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4991 | |
c118dd06 JB |
4992 | void |
4993 | x_check_errors (format) | |
4994 | char *format; | |
4995 | { | |
4996 | /* Make sure to catch any errors incurred so far. */ | |
4997 | XSync (x_current_display, False); | |
16bd92ea | 4998 | |
cef13e55 | 4999 | if (x_caught_error_message[0]) |
c118dd06 | 5000 | { |
cef13e55 | 5001 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 5002 | |
cef13e55 | 5003 | sprintf (buf, format, x_caught_error_message); |
c118dd06 JB |
5004 | x_uncatch_errors (); |
5005 | error (buf); | |
5006 | } | |
5007 | } | |
5008 | ||
b849c413 RS |
5009 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
5010 | ||
5011 | int | |
5012 | x_had_errors_p () | |
5013 | { | |
5014 | /* Make sure to catch any errors incurred so far. */ | |
5015 | XSync (x_current_display, False); | |
5016 | ||
5017 | return x_caught_error_message[0] != 0; | |
5018 | } | |
5019 | ||
812361a1 RS |
5020 | /* Stop catching X protocol errors and let them make Emacs die. */ |
5021 | ||
c118dd06 JB |
5022 | void |
5023 | x_uncatch_errors () | |
5024 | { | |
9ac0d9e0 | 5025 | xfree (x_caught_error_message); |
cef13e55 | 5026 | x_caught_error_message = 0; |
c118dd06 | 5027 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
5028 | } |
5029 | ||
dc6f92b8 JB |
5030 | #if 0 |
5031 | static unsigned int x_wire_count; | |
5032 | x_trace_wire () | |
5033 | { | |
5034 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
5035 | } | |
c118dd06 | 5036 | #endif /* ! 0 */ |
dc6f92b8 JB |
5037 | |
5038 | \f | |
f451eb13 JB |
5039 | /* Changing the font of the frame. */ |
5040 | ||
f676886a | 5041 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 5042 | to the font named NEWNAME. This is safe to use |
f676886a | 5043 | even before F has an actual x-window. */ |
dc6f92b8 JB |
5044 | |
5045 | #ifdef HAVE_X11 | |
5046 | ||
2224a5fc RS |
5047 | struct font_info |
5048 | { | |
5049 | XFontStruct *font; | |
5050 | char *name; | |
5051 | }; | |
5052 | ||
dc6f92b8 | 5053 | /* A table of all the fonts we have already loaded. */ |
2224a5fc | 5054 | static struct font_info *x_font_table; |
dc6f92b8 JB |
5055 | |
5056 | /* The current capacity of x_font_table. */ | |
5057 | static int x_font_table_size; | |
5058 | ||
5059 | /* The number of fonts actually stored in x_font_table. | |
5060 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
5061 | 0 <= n_fonts <= x_font_table_size. */ | |
5062 | static int n_fonts; | |
5063 | ||
b5cf7a0e | 5064 | Lisp_Object |
f676886a JB |
5065 | x_new_font (f, fontname) |
5066 | struct frame *f; | |
dc6f92b8 JB |
5067 | register char *fontname; |
5068 | { | |
dc6f92b8 JB |
5069 | int already_loaded; |
5070 | int n_matching_fonts; | |
5071 | XFontStruct *font_info; | |
5072 | char **font_names; | |
5073 | ||
5074 | /* Get a list of all the fonts that match this name. Once we | |
5075 | have a list of matching fonts, we compare them against the fonts | |
5076 | we already have by comparing font ids. */ | |
2224a5fc RS |
5077 | font_names = (char **) XListFonts (x_current_display, fontname, |
5078 | 1024, &n_matching_fonts); | |
0c94f6ee JB |
5079 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
5080 | find any matches; font_names == 0 is the only clue. */ | |
5081 | if (! font_names) | |
5082 | n_matching_fonts = 0; | |
5083 | ||
5835f860 RS |
5084 | /* Don't just give up if n_matching_fonts is 0. |
5085 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
5086 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 5087 | |
90e65f07 | 5088 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
5089 | already_loaded = -1; |
5090 | if (n_matching_fonts != 0) | |
5091 | { | |
5092 | int i, j; | |
dc6f92b8 | 5093 | |
5835f860 RS |
5094 | for (i = 0; i < n_fonts; i++) |
5095 | for (j = 0; j < n_matching_fonts; j++) | |
2224a5fc | 5096 | if (!strcmp (x_font_table[i].name, font_names[j])) |
5835f860 RS |
5097 | { |
5098 | already_loaded = i; | |
5099 | fontname = font_names[j]; | |
5100 | goto found_font; | |
5101 | } | |
5102 | } | |
dc6f92b8 JB |
5103 | found_font: |
5104 | ||
5105 | /* If we have, just return it from the table. */ | |
2224a5fc RS |
5106 | if (already_loaded >= 0) |
5107 | f->display.x->font = x_font_table[already_loaded].font; | |
90e65f07 | 5108 | |
dc6f92b8 JB |
5109 | /* Otherwise, load the font and add it to the table. */ |
5110 | else | |
5111 | { | |
9696f58b | 5112 | int i; |
dc6f92b8 JB |
5113 | XFontStruct *font; |
5114 | ||
9696f58b | 5115 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
5116 | #if 0 |
5117 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
5118 | for (i = 0; i < n_matching_fonts; i++) |
5119 | if (! font_info[i].per_char) | |
5120 | break; | |
f126bd67 JB |
5121 | #else |
5122 | i = 0; | |
5123 | #endif | |
9696f58b | 5124 | |
5835f860 RS |
5125 | /* See comment above. */ |
5126 | if (n_matching_fonts != 0) | |
9696f58b JB |
5127 | fontname = font_names[i]; |
5128 | ||
dc6f92b8 JB |
5129 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
5130 | if (! font) | |
5835f860 | 5131 | { |
2224a5fc | 5132 | /* Free the information from XListFonts. */ |
5835f860 | 5133 | if (n_matching_fonts) |
2224a5fc | 5134 | XFreeFontNames (font_names); |
5835f860 RS |
5135 | return Qnil; |
5136 | } | |
dc6f92b8 JB |
5137 | |
5138 | /* Do we need to create the table? */ | |
5139 | if (x_font_table_size == 0) | |
5140 | { | |
5141 | x_font_table_size = 16; | |
5142 | x_font_table | |
2224a5fc RS |
5143 | = (struct font_info *) xmalloc (x_font_table_size |
5144 | * sizeof (x_font_table[0])); | |
dc6f92b8 JB |
5145 | } |
5146 | /* Do we need to grow the table? */ | |
5147 | else if (n_fonts >= x_font_table_size) | |
5148 | { | |
90e65f07 | 5149 | x_font_table_size *= 2; |
dc6f92b8 | 5150 | x_font_table |
2224a5fc RS |
5151 | = (struct font_info *) xrealloc (x_font_table, |
5152 | (x_font_table_size | |
5153 | * sizeof (x_font_table[0]))); | |
dc6f92b8 JB |
5154 | } |
5155 | ||
dff815ef | 5156 | x_font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); |
2224a5fc RS |
5157 | bcopy (fontname, x_font_table[n_fonts].name, strlen (fontname) + 1); |
5158 | f->display.x->font = x_font_table[n_fonts++].font = font; | |
dc6f92b8 | 5159 | } |
2224a5fc | 5160 | |
f676886a | 5161 | /* Now make the frame display the given font. */ |
c118dd06 | 5162 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 5163 | { |
f676886a JB |
5164 | XSetFont (x_current_display, f->display.x->normal_gc, |
5165 | f->display.x->font->fid); | |
5166 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
5167 | f->display.x->font->fid); | |
5168 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
5169 | f->display.x->font->fid); | |
5170 | ||
a27f9f86 | 5171 | frame_update_line_height (f); |
0134a210 | 5172 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 5173 | } |
a27f9f86 RS |
5174 | else |
5175 | /* If we are setting a new frame's font for the first time, | |
5176 | there are no faces yet, so this font's height is the line height. */ | |
0cdd0c9f | 5177 | f->display.x->line_height = FONT_HEIGHT (f->display.x->font); |
dc6f92b8 | 5178 | |
b5cf7a0e | 5179 | { |
abdda982 | 5180 | Lisp_Object lispy_name; |
b5cf7a0e | 5181 | |
abdda982 | 5182 | lispy_name = build_string (fontname); |
b5cf7a0e | 5183 | |
2224a5fc | 5184 | /* Free the information from XListFonts. The data |
b5cf7a0e | 5185 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 5186 | XFreeFontNames (font_names); |
b5cf7a0e JB |
5187 | |
5188 | return lispy_name; | |
5189 | } | |
dc6f92b8 | 5190 | } |
c118dd06 | 5191 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
5192 | x_new_font (f, newname) |
5193 | struct frame *f; | |
dc6f92b8 JB |
5194 | register char *newname; |
5195 | { | |
5196 | FONT_TYPE *temp; | |
5197 | int mask; | |
5198 | ||
5199 | temp = XGetFont (newname); | |
5200 | if (temp == (FONT_TYPE *) 0) | |
5201 | return 1; | |
5202 | ||
f676886a JB |
5203 | if (f->display.x->font) |
5204 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 5205 | |
f676886a | 5206 | f->display.x->font = temp; |
dc6f92b8 | 5207 | |
c118dd06 | 5208 | if (FRAME_X_WINDOW (f) != 0) |
bc20ebbf | 5209 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 JB |
5210 | |
5211 | return 0; | |
5212 | } | |
c118dd06 | 5213 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5214 | \f |
43bca5d5 | 5215 | x_calc_absolute_position (f) |
f676886a | 5216 | struct frame *f; |
dc6f92b8 JB |
5217 | { |
5218 | #ifdef HAVE_X11 | |
6dba1858 RS |
5219 | Window win, child; |
5220 | int win_x = 0, win_y = 0; | |
43bca5d5 | 5221 | int flags = f->display.x->size_hint_flags; |
6dba1858 RS |
5222 | |
5223 | /* Find the position of the outside upper-left corner of | |
5224 | the inner window, with respect to the outer window. */ | |
5225 | if (f->display.x->parent_desc != ROOT_WINDOW) | |
5226 | { | |
5227 | BLOCK_INPUT; | |
5228 | XTranslateCoordinates (x_current_display, | |
5229 | ||
5230 | /* From-window, to-window. */ | |
5231 | f->display.x->window_desc, | |
5232 | f->display.x->parent_desc, | |
5233 | ||
5234 | /* From-position, to-position. */ | |
5235 | 0, 0, &win_x, &win_y, | |
5236 | ||
5237 | /* Child of win. */ | |
5238 | &child); | |
5239 | UNBLOCK_INPUT; | |
5240 | } | |
5241 | ||
5242 | /* Treat negative positions as relative to the leftmost bottommost | |
5243 | position that fits on the screen. */ | |
20f55f9a | 5244 | if (flags & XNegative) |
31ea78fd | 5245 | f->display.x->left_pos = (x_screen_width |
69388238 | 5246 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
5247 | - PIXEL_WIDTH (f) |
5248 | + f->display.x->left_pos); | |
dc6f92b8 | 5249 | |
20f55f9a | 5250 | if (flags & YNegative) |
31ea78fd | 5251 | f->display.x->top_pos = (x_screen_height |
69388238 | 5252 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
5253 | - PIXEL_HEIGHT (f) |
5254 | + f->display.x->top_pos); | |
3a35ab44 RS |
5255 | /* The left_pos and top_pos |
5256 | are now relative to the top and left screen edges, | |
5257 | so the flags should correspond. */ | |
5258 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
c118dd06 | 5259 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5260 | WINDOWINFO_TYPE parentinfo; |
5261 | ||
c118dd06 | 5262 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 5263 | |
f676886a JB |
5264 | if (f->display.x->left_pos < 0) |
5265 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
5266 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 5267 | |
f676886a JB |
5268 | if (f->display.x->top_pos < 0) |
5269 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
5270 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 5271 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5272 | } |
5273 | ||
3a35ab44 RS |
5274 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
5275 | to really change the position, and 0 when calling from | |
5276 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
5277 | position values). */ | |
5278 | ||
dc05a16b | 5279 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 5280 | struct frame *f; |
dc6f92b8 | 5281 | register int xoff, yoff; |
dc05a16b | 5282 | int change_gravity; |
dc6f92b8 | 5283 | { |
3a35ab44 RS |
5284 | if (change_gravity) |
5285 | { | |
5286 | f->display.x->top_pos = yoff; | |
5287 | f->display.x->left_pos = xoff; | |
5288 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
5289 | if (xoff < 0) | |
5290 | f->display.x->size_hint_flags |= XNegative; | |
5291 | if (yoff < 0) | |
5292 | f->display.x->size_hint_flags |= YNegative; | |
5293 | f->display.x->win_gravity = NorthWestGravity; | |
5294 | } | |
43bca5d5 | 5295 | x_calc_absolute_position (f); |
dc6f92b8 JB |
5296 | |
5297 | BLOCK_INPUT; | |
3a35ab44 RS |
5298 | x_wm_set_size_hint (f, 0, 0); |
5299 | ||
3afe33e7 RS |
5300 | #ifdef USE_X_TOOLKIT |
5301 | XMoveWindow (XDISPLAY XtWindow (f->display.x->widget), | |
5302 | f->display.x->left_pos, f->display.x->top_pos); | |
5303 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5304 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 5305 | f->display.x->left_pos, f->display.x->top_pos); |
3afe33e7 | 5306 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5307 | UNBLOCK_INPUT; |
5308 | } | |
5309 | ||
bc20ebbf FP |
5310 | /* Call this to change the size of frame F's x-window. |
5311 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
5312 | for this size change and subsequent size changes. | |
5313 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 5314 | |
bc20ebbf | 5315 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 5316 | struct frame *f; |
bc20ebbf | 5317 | int change_gravity; |
b1c884c3 | 5318 | int cols, rows; |
dc6f92b8 JB |
5319 | { |
5320 | int pixelwidth, pixelheight; | |
5321 | int mask; | |
dc6f92b8 | 5322 | |
80fd1fe2 FP |
5323 | #ifdef USE_X_TOOLKIT |
5324 | BLOCK_INPUT; | |
3a20653d RS |
5325 | { |
5326 | /* The x and y position of the widget is clobbered by the | |
5327 | call to XtSetValues within EmacsFrameSetCharSize. | |
5328 | This is a real kludge, but I don't understand Xt so I can't | |
5329 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
5330 | int xpos = f->display.x->widget->core.x; | |
5331 | int ypos = f->display.x->widget->core.y; | |
5332 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
5333 | f->display.x->widget->core.x = xpos; | |
5334 | f->display.x->widget->core.y = ypos; | |
5335 | } | |
80fd1fe2 FP |
5336 | UNBLOCK_INPUT; |
5337 | ||
5338 | #else /* not USE_X_TOOLKIT */ | |
5339 | ||
dc6f92b8 JB |
5340 | BLOCK_INPUT; |
5341 | ||
b1c884c3 | 5342 | check_frame_size (f, &rows, &cols); |
6dba1858 RS |
5343 | f->display.x->vertical_scroll_bar_extra |
5344 | = (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
5345 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
5346 | : 0); | |
f451eb13 JB |
5347 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
5348 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
5349 | |
5350 | #ifdef HAVE_X11 | |
af31d76f RS |
5351 | f->display.x->win_gravity = NorthWestGravity; |
5352 | x_wm_set_size_hint (f, 0, 0); | |
c118dd06 | 5353 | #endif /* ! defined (HAVE_X11) */ |
0cdd0c9f | 5354 | XSync (x_current_display, False); |
c118dd06 | 5355 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); |
b1c884c3 JB |
5356 | |
5357 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
5358 | but the window manager will get around to dealing with the size | |
5359 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
5360 | ConfigureNotify event gets here. |
5361 | ||
5362 | We could just not bother storing any of this information here, | |
5363 | and let the ConfigureNotify event set everything up, but that | |
5364 | might be kind of confusing to the lisp code, since size changes | |
5365 | wouldn't be reported in the frame parameters until some random | |
5366 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 5367 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
5368 | PIXEL_WIDTH (f) = pixelwidth; |
5369 | PIXEL_HEIGHT (f) = pixelheight; | |
5370 | ||
4d73d038 RS |
5371 | /* If cursor was outside the new size, mark it as off. */ |
5372 | if (f->phys_cursor_y >= rows | |
5373 | || f->phys_cursor_x >= cols) | |
5374 | { | |
5375 | f->phys_cursor_x = -1; | |
5376 | f->phys_cursor_y = -1; | |
5377 | } | |
5378 | ||
dbc4e1c1 JB |
5379 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
5380 | receive in the ConfigureNotify event; if we get what we asked | |
5381 | for, then the event won't cause the screen to become garbaged, so | |
5382 | we have to make sure to do it here. */ | |
5383 | SET_FRAME_GARBAGED (f); | |
5384 | ||
dc6f92b8 JB |
5385 | XFlushQueue (); |
5386 | UNBLOCK_INPUT; | |
80fd1fe2 | 5387 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5388 | } |
5389 | ||
5390 | #ifndef HAVE_X11 | |
f676886a JB |
5391 | x_set_resize_hint (f) |
5392 | struct frame *f; | |
dc6f92b8 | 5393 | { |
12ba150f JB |
5394 | XSetResizeHint (FRAME_X_WINDOW (f), |
5395 | 2 * f->display.x->internal_border_width, | |
f676886a | 5396 | 2 * f->display.x->internal_border_width, |
12ba150f | 5397 | FONT_WIDTH (f->display.x->font), |
a27f9f86 | 5398 | f->display.x->line_height); |
dc6f92b8 | 5399 | } |
c118dd06 | 5400 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5401 | \f |
f451eb13 | 5402 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 5403 | |
9b378208 | 5404 | void |
f676886a JB |
5405 | x_set_mouse_position (f, x, y) |
5406 | struct frame *f; | |
dc6f92b8 JB |
5407 | int x, y; |
5408 | { | |
5409 | int pix_x, pix_y; | |
5410 | ||
12ba150f | 5411 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
a27f9f86 | 5412 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->display.x->line_height / 2; |
f451eb13 JB |
5413 | |
5414 | if (pix_x < 0) pix_x = 0; | |
5415 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
5416 | ||
5417 | if (pix_y < 0) pix_y = 0; | |
5418 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
5419 | |
5420 | BLOCK_INPUT; | |
dc6f92b8 | 5421 | |
c118dd06 | 5422 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
5423 | UNBLOCK_INPUT; |
5424 | } | |
5425 | ||
9b378208 RS |
5426 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
5427 | ||
5428 | void | |
5429 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
5430 | struct frame *f; | |
5431 | int pix_x, pix_y; | |
5432 | { | |
5433 | BLOCK_INPUT; | |
5434 | ||
5435 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); | |
5436 | UNBLOCK_INPUT; | |
5437 | } | |
5438 | ||
dc6f92b8 | 5439 | #ifdef HAVE_X11 |
f676886a JB |
5440 | x_focus_on_frame (f) |
5441 | struct frame *f; | |
dc6f92b8 | 5442 | { |
1fb20991 | 5443 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 5444 | x_raise_frame (f); |
1fb20991 | 5445 | #endif |
6d4238f3 JB |
5446 | #if 0 |
5447 | /* I don't think that the ICCCM allows programs to do things like this | |
5448 | without the interaction of the window manager. Whatever you end up | |
f676886a | 5449 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 5450 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 5451 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5452 | #endif /* ! 0 */ |
dc6f92b8 JB |
5453 | } |
5454 | ||
f676886a JB |
5455 | x_unfocus_frame (f) |
5456 | struct frame *f; | |
dc6f92b8 | 5457 | { |
6d4238f3 | 5458 | #if 0 |
f676886a JB |
5459 | /* Look at the remarks in x_focus_on_frame. */ |
5460 | if (x_focus_frame == f) | |
dc6f92b8 JB |
5461 | XSetInputFocus (x_current_display, PointerRoot, |
5462 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 5463 | #endif /* ! 0 */ |
dc6f92b8 JB |
5464 | } |
5465 | ||
c118dd06 | 5466 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5467 | |
f676886a | 5468 | /* Raise frame F. */ |
dc6f92b8 | 5469 | |
f676886a JB |
5470 | x_raise_frame (f) |
5471 | struct frame *f; | |
dc6f92b8 | 5472 | { |
3a88c238 | 5473 | if (f->async_visible) |
dc6f92b8 JB |
5474 | { |
5475 | BLOCK_INPUT; | |
3afe33e7 RS |
5476 | #ifdef USE_X_TOOLKIT |
5477 | XRaiseWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
5478 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5479 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5480 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5481 | XFlushQueue (); |
5482 | UNBLOCK_INPUT; | |
5483 | } | |
5484 | } | |
5485 | ||
f676886a | 5486 | /* Lower frame F. */ |
dc6f92b8 | 5487 | |
f676886a JB |
5488 | x_lower_frame (f) |
5489 | struct frame *f; | |
dc6f92b8 | 5490 | { |
3a88c238 | 5491 | if (f->async_visible) |
dc6f92b8 JB |
5492 | { |
5493 | BLOCK_INPUT; | |
3afe33e7 RS |
5494 | #ifdef USE_X_TOOLKIT |
5495 | XLowerWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
5496 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5497 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5498 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5499 | XFlushQueue (); |
5500 | UNBLOCK_INPUT; | |
5501 | } | |
5502 | } | |
5503 | ||
dbc4e1c1 JB |
5504 | static void |
5505 | XTframe_raise_lower (f, raise) | |
5506 | FRAME_PTR f; | |
5507 | int raise; | |
5508 | { | |
5509 | if (raise) | |
5510 | x_raise_frame (f); | |
5511 | else | |
5512 | x_lower_frame (f); | |
5513 | } | |
5514 | ||
5515 | ||
fd13dbb2 RS |
5516 | /* Change from withdrawn state to mapped state, |
5517 | or deiconify. */ | |
dc6f92b8 | 5518 | |
f676886a JB |
5519 | x_make_frame_visible (f) |
5520 | struct frame *f; | |
dc6f92b8 JB |
5521 | { |
5522 | int mask; | |
5523 | ||
dc6f92b8 | 5524 | BLOCK_INPUT; |
dc6f92b8 | 5525 | |
f676886a | 5526 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
5527 | { |
5528 | #ifdef HAVE_X11 | |
af31d76f | 5529 | #ifndef USE_X_TOOLKIT |
fd13dbb2 RS |
5530 | if (! FRAME_ICONIFIED_P (f)) |
5531 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
af31d76f | 5532 | #endif |
dc05a16b | 5533 | |
90e65f07 | 5534 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 5535 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 5536 | #ifdef USE_X_TOOLKIT |
d7a38a2e RS |
5537 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
5538 | XtMapWidget (f->display.x->widget); | |
3afe33e7 | 5539 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5540 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5541 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
5542 | #if 0 /* This seems to bring back scroll bars in the wrong places |
5543 | if the window configuration has changed. They seem | |
5544 | to come back ok without this. */ | |
ab648270 | 5545 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 | 5546 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
0134a210 | 5547 | #endif |
c118dd06 JB |
5548 | #else /* ! defined (HAVE_X11) */ |
5549 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
5550 | if (f->display.x->icon_desc != 0) |
5551 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 5552 | |
90e65f07 | 5553 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
5554 | f->async_visible = 1; |
5555 | f->async_iconified = 0; | |
dc6f92b8 | 5556 | |
f676886a | 5557 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 5558 | XTcursor_to (0, 0); |
c118dd06 | 5559 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 5560 | } |
dc6f92b8 | 5561 | |
dc6f92b8 | 5562 | XFlushQueue (); |
90e65f07 | 5563 | |
dc6f92b8 | 5564 | UNBLOCK_INPUT; |
0dacf791 RS |
5565 | |
5566 | /* Synchronize to ensure Emacs knows the frame is visible | |
5567 | before we do anything else. We do this loop with input not blocked | |
5568 | so that incoming events are handled. */ | |
5569 | { | |
5570 | Lisp_Object frame; | |
2a6cf806 | 5571 | int one_in_four = 0; |
0dacf791 RS |
5572 | XSET (frame, Lisp_Frame, f); |
5573 | while (! f->async_visible) | |
2a6cf806 RS |
5574 | { |
5575 | x_sync (frame); | |
5576 | /* On HPUX on the HP800, the sleep is needed sometimes. */ | |
5577 | if ((one_in_four & 3) == 0) | |
5578 | { | |
5579 | #ifdef EMACS_HAS_USECS | |
5580 | Fsleep_for (make_number (1), make_number (0)); | |
5581 | #else | |
5582 | Fsleep_for (make_number (0), make_number (250)); | |
5583 | #endif | |
5584 | } | |
5585 | one_in_four++; | |
5586 | } | |
0dacf791 RS |
5587 | FRAME_SAMPLE_VISIBILITY (f); |
5588 | } | |
dc6f92b8 JB |
5589 | } |
5590 | ||
5591 | /* Change from mapped state to withdrawn state. */ | |
5592 | ||
f676886a JB |
5593 | x_make_frame_invisible (f) |
5594 | struct frame *f; | |
dc6f92b8 JB |
5595 | { |
5596 | int mask; | |
546e6d5b RS |
5597 | Window window; |
5598 | ||
5599 | #ifdef USE_X_TOOLKIT | |
5600 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
5601 | window = XtWindow (f->display.x->widget); | |
5602 | #else /* not USE_X_TOOLKIT */ | |
5603 | window = FRAME_X_WINDOW (f); | |
5604 | #endif /* not USE_X_TOOLKIT */ | |
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 | ||
5627c40e | 5610 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5611 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5612 | return; |
5627c40e | 5613 | #endif |
dc6f92b8 JB |
5614 | |
5615 | BLOCK_INPUT; | |
c118dd06 | 5616 | |
af31d76f RS |
5617 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
5618 | that the current position of the window is user-specified, rather than | |
5619 | program-specified, so that when the window is mapped again, it will be | |
5620 | placed at the same location, without forcing the user to position it | |
5621 | by hand again (they have already done that once for this window.) */ | |
5622 | x_wm_set_size_hint (f, 0, 1); | |
5623 | ||
c118dd06 JB |
5624 | #ifdef HAVE_X11R4 |
5625 | ||
546e6d5b | 5626 | if (! XWithdrawWindow (x_current_display, window, |
c118dd06 JB |
5627 | DefaultScreen (x_current_display))) |
5628 | { | |
5629 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5630 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 5631 | } |
c118dd06 | 5632 | #else /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 5633 | #ifdef HAVE_X11 |
16bd92ea | 5634 | |
c118dd06 | 5635 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5636 | if (! EQ (Vx_no_window_manager, Qt)) |
5637 | { | |
16bd92ea | 5638 | XEvent unmap; |
dc6f92b8 | 5639 | |
16bd92ea | 5640 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 5641 | unmap.xunmap.window = window; |
16bd92ea JB |
5642 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
5643 | unmap.xunmap.from_configure = False; | |
5644 | if (! XSendEvent (x_current_display, | |
5645 | DefaultRootWindow (x_current_display), | |
5646 | False, | |
5647 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5648 | &unmap)) | |
5649 | { | |
5650 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5651 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 5652 | } |
dc6f92b8 JB |
5653 | } |
5654 | ||
16bd92ea | 5655 | /* Unmap the window ourselves. Cheeky! */ |
546e6d5b | 5656 | XUnmapWindow (x_current_display, window); |
c118dd06 | 5657 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5658 | |
c118dd06 | 5659 | XUnmapWindow (FRAME_X_WINDOW (f)); |
f676886a | 5660 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
5661 | XUnmapWindow (f->display.x->icon_desc); |
5662 | ||
5663 | #endif /* ! defined (HAVE_X11) */ | |
5664 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 5665 | |
5627c40e RS |
5666 | /* We can't distinguish this from iconification |
5667 | just by the event that we get from the server. | |
5668 | So we can't win using the usual strategy of letting | |
5669 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5670 | and synchronize with the server to make sure we agree. */ | |
5671 | f->visible = 0; | |
5672 | FRAME_ICONIFIED_P (f) = 0; | |
5673 | f->async_visible = 0; | |
5674 | f->async_iconified = 0; | |
5675 | ||
5676 | x_sync (); | |
5677 | ||
dc6f92b8 JB |
5678 | UNBLOCK_INPUT; |
5679 | } | |
5680 | ||
dc6f92b8 JB |
5681 | /* Change window state from mapped to iconified. */ |
5682 | ||
f676886a JB |
5683 | x_iconify_frame (f) |
5684 | struct frame *f; | |
dc6f92b8 JB |
5685 | { |
5686 | int mask; | |
3afe33e7 | 5687 | int result; |
dc6f92b8 | 5688 | |
9319ae23 RS |
5689 | /* Don't keep the highlight on an invisible frame. */ |
5690 | if (x_highlight_frame == f) | |
5691 | x_highlight_frame = 0; | |
5692 | ||
3a88c238 | 5693 | if (f->async_iconified) |
dc6f92b8 JB |
5694 | return; |
5695 | ||
3afe33e7 RS |
5696 | #ifdef USE_X_TOOLKIT |
5697 | BLOCK_INPUT; | |
546e6d5b RS |
5698 | |
5699 | if (! FRAME_VISIBLE_P (f)) | |
5700 | { | |
5701 | if (! EQ (Vx_no_window_manager, Qt)) | |
5702 | x_wm_set_window_state (f, IconicState); | |
5703 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
5704 | XtMapWidget (f->display.x->widget); | |
5705 | UNBLOCK_INPUT; | |
5706 | return; | |
5707 | } | |
5708 | ||
3afe33e7 | 5709 | result = XIconifyWindow (x_current_display, |
bc20ebbf | 5710 | XtWindow (f->display.x->widget), |
3afe33e7 RS |
5711 | DefaultScreen (x_current_display)); |
5712 | UNBLOCK_INPUT; | |
5713 | ||
5714 | if (!result) | |
546e6d5b | 5715 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
5716 | |
5717 | f->async_iconified = 1; | |
8c002a25 KH |
5718 | |
5719 | BLOCK_INPUT; | |
5720 | XFlushQueue (); | |
5721 | UNBLOCK_INPUT; | |
3afe33e7 RS |
5722 | #else /* not USE_X_TOOLKIT */ |
5723 | ||
dc6f92b8 JB |
5724 | BLOCK_INPUT; |
5725 | ||
5726 | #ifdef HAVE_X11 | |
fd13dbb2 RS |
5727 | /* Make sure the X server knows where the window should be positioned, |
5728 | in case the user deiconifies with the window manager. */ | |
5729 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
5730 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
5731 | ||
16bd92ea JB |
5732 | /* Since we don't know which revision of X we're running, we'll use both |
5733 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5734 | ||
5735 | /* X11R4: send a ClientMessage to the window manager using the | |
5736 | WM_CHANGE_STATE type. */ | |
5737 | { | |
5738 | XEvent message; | |
5739 | ||
c118dd06 | 5740 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
5741 | message.xclient.type = ClientMessage; |
5742 | message.xclient.message_type = Xatom_wm_change_state; | |
5743 | message.xclient.format = 32; | |
5744 | message.xclient.data.l[0] = IconicState; | |
5745 | ||
5746 | if (! XSendEvent (x_current_display, | |
5747 | DefaultRootWindow (x_current_display), | |
5748 | False, | |
5749 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5750 | &message)) | |
dc6f92b8 JB |
5751 | { |
5752 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5753 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 5754 | } |
16bd92ea | 5755 | } |
dc6f92b8 | 5756 | |
16bd92ea JB |
5757 | /* X11R3: set the initial_state field of the window manager hints to |
5758 | IconicState. */ | |
5759 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5760 | |
a9c00105 RS |
5761 | if (!FRAME_VISIBLE_P (f)) |
5762 | { | |
5763 | /* If the frame was withdrawn, before, we must map it. */ | |
5764 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
0134a210 | 5765 | #if 0 /* We don't have subwindows in the icon. */ |
a9c00105 RS |
5766 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
5767 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); | |
0134a210 | 5768 | #endif |
a9c00105 RS |
5769 | } |
5770 | ||
3a88c238 | 5771 | f->async_iconified = 1; |
c118dd06 JB |
5772 | #else /* ! defined (HAVE_X11) */ |
5773 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 5774 | |
3a88c238 | 5775 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 5776 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 5777 | { |
f676886a JB |
5778 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
5779 | refreshicon (f); | |
dc6f92b8 | 5780 | } |
c118dd06 | 5781 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5782 | |
5783 | XFlushQueue (); | |
5784 | UNBLOCK_INPUT; | |
8c002a25 | 5785 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5786 | } |
5787 | ||
c0ff3fab | 5788 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5789 | |
c0ff3fab | 5790 | x_destroy_window (f) |
f676886a | 5791 | struct frame *f; |
dc6f92b8 | 5792 | { |
dc6f92b8 | 5793 | BLOCK_INPUT; |
c0ff3fab JB |
5794 | |
5795 | if (f->display.x->icon_desc != 0) | |
5796 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
5797 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
3afe33e7 RS |
5798 | #ifdef USE_X_TOOLKIT |
5799 | XtDestroyWidget (f->display.x->widget); | |
9d7e2e3e | 5800 | free_frame_menubar (f); |
3afe33e7 RS |
5801 | #endif /* USE_X_TOOLKIT */ |
5802 | ||
07e34cb0 | 5803 | free_frame_faces (f); |
dc6f92b8 | 5804 | XFlushQueue (); |
dc6f92b8 | 5805 | |
9ac0d9e0 | 5806 | xfree (f->display.x); |
c0ff3fab | 5807 | f->display.x = 0; |
f676886a JB |
5808 | if (f == x_focus_frame) |
5809 | x_focus_frame = 0; | |
5810 | if (f == x_highlight_frame) | |
5811 | x_highlight_frame = 0; | |
c0ff3fab | 5812 | |
0134a210 | 5813 | if (f == mouse_face_mouse_frame) |
dc05a16b | 5814 | { |
3b506386 KH |
5815 | mouse_face_beg_row = mouse_face_beg_col = -1; |
5816 | mouse_face_end_row = mouse_face_end_col = -1; | |
dc05a16b RS |
5817 | mouse_face_window = Qnil; |
5818 | } | |
0134a210 | 5819 | |
c0ff3fab | 5820 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5821 | } |
5822 | \f | |
f451eb13 JB |
5823 | /* Manage event queues for X10. */ |
5824 | ||
dc6f92b8 JB |
5825 | #ifndef HAVE_X11 |
5826 | ||
5827 | /* Manage event queues. | |
5828 | ||
5829 | This code is only used by the X10 support. | |
5830 | ||
5831 | We cannot leave events in the X queue and get them when we are ready | |
5832 | because X does not provide a subroutine to get only a certain kind | |
5833 | of event but not block if there are no queued events of that kind. | |
5834 | ||
5835 | Therefore, we must examine events as they come in and copy events | |
5836 | of certain kinds into our private queues. | |
5837 | ||
5838 | All ExposeRegion events are put in x_expose_queue. | |
69388238 | 5839 | All ButtonPress and ButtonRelease events are put in x_mouse_queue. */ |
dc6f92b8 JB |
5840 | |
5841 | ||
5842 | /* Write the event *P_XREP into the event queue *QUEUE. | |
5843 | If the queue is full, do nothing, but return nonzero. */ | |
5844 | ||
5845 | int | |
5846 | enqueue_event (p_xrep, queue) | |
5847 | register XEvent *p_xrep; | |
5848 | register struct event_queue *queue; | |
5849 | { | |
5850 | int newindex = queue->windex + 1; | |
5851 | if (newindex == EVENT_BUFFER_SIZE) | |
5852 | newindex = 0; | |
5853 | if (newindex == queue->rindex) | |
5854 | return -1; | |
5855 | queue->xrep[queue->windex] = *p_xrep; | |
5856 | queue->windex = newindex; | |
5857 | return 0; | |
5858 | } | |
5859 | ||
5860 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
5861 | If *QUEUE is empty, do nothing and return 0. */ | |
5862 | ||
5863 | int | |
5864 | dequeue_event (p_xrep, queue) | |
5865 | register XEvent *p_xrep; | |
5866 | register struct event_queue *queue; | |
5867 | { | |
5868 | if (queue->windex == queue->rindex) | |
5869 | return 0; | |
5870 | *p_xrep = queue->xrep[queue->rindex++]; | |
5871 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
5872 | queue->rindex = 0; | |
5873 | return 1; | |
5874 | } | |
5875 | ||
5876 | /* Return the number of events buffered in *QUEUE. */ | |
5877 | ||
5878 | int | |
5879 | queue_event_count (queue) | |
5880 | register struct event_queue *queue; | |
5881 | { | |
5882 | int tem = queue->windex - queue->rindex; | |
5883 | if (tem >= 0) | |
5884 | return tem; | |
5885 | return EVENT_BUFFER_SIZE + tem; | |
5886 | } | |
5887 | ||
5888 | /* Return nonzero if mouse input is pending. */ | |
5889 | ||
5890 | int | |
5891 | mouse_event_pending_p () | |
5892 | { | |
5893 | return queue_event_count (&x_mouse_queue); | |
5894 | } | |
c118dd06 | 5895 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5896 | \f |
f451eb13 JB |
5897 | /* Setting window manager hints. */ |
5898 | ||
dc6f92b8 JB |
5899 | #ifdef HAVE_X11 |
5900 | ||
af31d76f RS |
5901 | /* Set the normal size hints for the window manager, for frame F. |
5902 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5903 | that the window now has. | |
5904 | If USER_POSITION is nonzero, we set the USPosition | |
5905 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5906 | |
af31d76f | 5907 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5908 | struct frame *f; |
af31d76f RS |
5909 | long flags; |
5910 | int user_position; | |
dc6f92b8 JB |
5911 | { |
5912 | XSizeHints size_hints; | |
3afe33e7 RS |
5913 | |
5914 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5915 | Arg al[2]; |
5916 | int ac = 0; | |
5917 | Dimension widget_width, widget_height; | |
bc20ebbf | 5918 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5919 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5920 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5921 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5922 | |
b72a58fd RS |
5923 | /* Setting PMaxSize caused various problems. */ |
5924 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5925 | |
f676886a JB |
5926 | flexlines = f->height; |
5927 | ||
5928 | size_hints.x = f->display.x->left_pos; | |
5929 | size_hints.y = f->display.x->top_pos; | |
7553a6b7 | 5930 | |
7e4f2521 FP |
5931 | #ifdef USE_X_TOOLKIT |
5932 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5933 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
5934 | XtGetValues (f->display.x->column_widget, al, ac); | |
5935 | size_hints.height = widget_height; | |
5936 | size_hints.width = widget_width; | |
5937 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5938 | size_hints.height = PIXEL_HEIGHT (f); |
5939 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5940 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5941 | |
f676886a | 5942 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 5943 | size_hints.height_inc = f->display.x->line_height; |
7553a6b7 RS |
5944 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
5945 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5946 | |
b1c884c3 | 5947 | { |
b0342f17 | 5948 | int base_width, base_height; |
0134a210 | 5949 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5950 | |
f451eb13 JB |
5951 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5952 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5953 | |
0134a210 | 5954 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5955 | |
0134a210 RS |
5956 | /* The window manager uses the base width hints to calculate the |
5957 | current number of rows and columns in the frame while | |
5958 | resizing; min_width and min_height aren't useful for this | |
5959 | purpose, since they might not give the dimensions for a | |
5960 | zero-row, zero-column frame. | |
5961 | ||
5962 | We use the base_width and base_height members if we have | |
5963 | them; otherwise, we set the min_width and min_height members | |
5964 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5965 | |
5966 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5967 | size_hints.flags |= PBaseSize; |
5968 | size_hints.base_width = base_width; | |
5969 | size_hints.base_height = base_height; | |
5970 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5971 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5972 | #else |
0134a210 RS |
5973 | size_hints.min_width = base_width; |
5974 | size_hints.min_height = base_height; | |
b0342f17 | 5975 | #endif |
b1c884c3 | 5976 | } |
dc6f92b8 | 5977 | |
af31d76f RS |
5978 | if (flags) |
5979 | size_hints.flags |= flags; | |
dc6f92b8 JB |
5980 | else |
5981 | { | |
5982 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
af31d76f RS |
5983 | long supplied_return; |
5984 | int value; | |
5985 | ||
5986 | #ifdef HAVE_X11R4 | |
5987 | value = XGetWMNormalHints (x_current_display, window, &hints, | |
5988 | &supplied_return); | |
5989 | #else | |
5990 | value = XGetNormalHints (x_current_display, window, &hints); | |
5991 | #endif | |
dc6f92b8 | 5992 | |
af31d76f | 5993 | if (value == 0) |
82ee0df4 | 5994 | hints.flags = 0; |
dc6f92b8 JB |
5995 | if (hints.flags & PSize) |
5996 | size_hints.flags |= PSize; | |
5997 | if (hints.flags & PPosition) | |
5998 | size_hints.flags |= PPosition; | |
5999 | if (hints.flags & USPosition) | |
6000 | size_hints.flags |= USPosition; | |
6001 | if (hints.flags & USSize) | |
6002 | size_hints.flags |= USSize; | |
6003 | } | |
0134a210 | 6004 | |
af31d76f | 6005 | #ifdef PWinGravity |
dc05a16b | 6006 | size_hints.win_gravity = f->display.x->win_gravity; |
af31d76f | 6007 | size_hints.flags |= PWinGravity; |
dc05a16b | 6008 | |
af31d76f | 6009 | if (user_position) |
6dba1858 | 6010 | { |
af31d76f RS |
6011 | size_hints.flags &= ~ PPosition; |
6012 | size_hints.flags |= USPosition; | |
6dba1858 | 6013 | } |
2554751d | 6014 | #endif /* PWinGravity */ |
6dba1858 | 6015 | |
b0342f17 JB |
6016 | #ifdef HAVE_X11R4 |
6017 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
6018 | #else | |
dc6f92b8 | 6019 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 6020 | #endif |
dc6f92b8 JB |
6021 | } |
6022 | ||
6023 | /* Used for IconicState or NormalState */ | |
f676886a JB |
6024 | x_wm_set_window_state (f, state) |
6025 | struct frame *f; | |
dc6f92b8 JB |
6026 | int state; |
6027 | { | |
3afe33e7 | 6028 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
6029 | Arg al[1]; |
6030 | ||
6031 | XtSetArg (al[0], XtNinitialState, state); | |
6032 | XtSetValues (f->display.x->widget, al, 1); | |
3afe33e7 | 6033 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 6034 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 6035 | |
16bd92ea JB |
6036 | f->display.x->wm_hints.flags |= StateHint; |
6037 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 6038 | |
16bd92ea | 6039 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
546e6d5b | 6040 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
6041 | } |
6042 | ||
f676886a JB |
6043 | x_wm_set_icon_pixmap (f, icon_pixmap) |
6044 | struct frame *f; | |
dc6f92b8 JB |
6045 | Pixmap icon_pixmap; |
6046 | { | |
75231bad RS |
6047 | #ifdef USE_X_TOOLKIT |
6048 | Window window = XtWindow (f->display.x->widget); | |
6049 | #else | |
c118dd06 | 6050 | Window window = FRAME_X_WINDOW (f); |
75231bad | 6051 | #endif |
dc6f92b8 | 6052 | |
dbc4e1c1 JB |
6053 | if (icon_pixmap) |
6054 | { | |
6055 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
6056 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
6057 | } | |
6058 | else | |
6059 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 6060 | |
16bd92ea | 6061 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
6062 | } |
6063 | ||
f676886a JB |
6064 | x_wm_set_icon_position (f, icon_x, icon_y) |
6065 | struct frame *f; | |
dc6f92b8 JB |
6066 | int icon_x, icon_y; |
6067 | { | |
75231bad RS |
6068 | #ifdef USE_X_TOOLKIT |
6069 | Window window = XtWindow (f->display.x->widget); | |
6070 | #else | |
c118dd06 | 6071 | Window window = FRAME_X_WINDOW (f); |
75231bad | 6072 | #endif |
dc6f92b8 | 6073 | |
16bd92ea JB |
6074 | f->display.x->wm_hints.flags |= IconPositionHint; |
6075 | f->display.x->wm_hints.icon_x = icon_x; | |
6076 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 6077 | |
16bd92ea | 6078 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
6079 | } |
6080 | ||
6081 | \f | |
f451eb13 JB |
6082 | /* Initialization. */ |
6083 | ||
3afe33e7 RS |
6084 | #ifdef USE_X_TOOLKIT |
6085 | static XrmOptionDescRec emacs_options[] = { | |
6086 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
6087 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
6088 | ||
6089 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
6090 | XrmoptionSepArg, NULL}, | |
6091 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
6092 | ||
6093 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
6094 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
6095 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
6096 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
6097 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
6098 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
6099 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
6100 | }; | |
6101 | #endif /* USE_X_TOOLKIT */ | |
6102 | ||
dc6f92b8 | 6103 | void |
1f8255f2 | 6104 | x_term_init (display_name, xrm_option, resource_name) |
dc6f92b8 | 6105 | char *display_name; |
1f8255f2 RS |
6106 | char *xrm_option; |
6107 | char *resource_name; | |
dc6f92b8 | 6108 | { |
f676886a | 6109 | Lisp_Object frame; |
dc6f92b8 | 6110 | char *defaultvalue; |
3afe33e7 RS |
6111 | int argc = 0; |
6112 | char** argv = 0; | |
041b69ac | 6113 | #ifndef F_SETOWN_BUG |
dc6f92b8 JB |
6114 | #ifdef F_SETOWN |
6115 | extern int old_fcntl_owner; | |
c118dd06 | 6116 | #endif /* ! defined (F_SETOWN) */ |
041b69ac | 6117 | #endif /* F_SETOWN_BUG */ |
6d4238f3 | 6118 | |
ef2a22d0 RS |
6119 | #ifdef X_IO_BUG |
6120 | x_noop_count = 0; | |
6121 | #endif | |
6122 | ||
f676886a | 6123 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 | 6124 | |
3afe33e7 | 6125 | #ifdef USE_X_TOOLKIT |
1f8255f2 RS |
6126 | argv = (char **) XtMalloc (7 * sizeof (char *)); |
6127 | argv[0] = ""; | |
6128 | argv[1] = "-display"; | |
6129 | argv[2] = display_name; | |
6130 | argv[3] = "-name"; | |
6131 | /* Usually `emacs', but not always. */ | |
6132 | argv[4] = resource_name; | |
c2df547c | 6133 | argc = 5; |
1f8255f2 RS |
6134 | if (xrm_option) |
6135 | { | |
6136 | argv[argc++] = "-xrm"; | |
6137 | argv[argc++] = xrm_option; | |
6138 | } | |
3afe33e7 | 6139 | Xt_app_shell = XtAppInitialize (&Xt_app_con, "Emacs", |
bc20ebbf | 6140 | emacs_options, XtNumber (emacs_options), |
3afe33e7 RS |
6141 | &argc, argv, |
6142 | NULL, NULL, 0); | |
983f76b8 | 6143 | XtFree ((char *)argv); |
3afe33e7 RS |
6144 | x_current_display = XtDisplay (Xt_app_shell); |
6145 | ||
6146 | #else /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 6147 | x_current_display = XOpenDisplay (display_name); |
3afe33e7 | 6148 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 6149 | if (x_current_display == 0) |
041b69ac JB |
6150 | fatal ("X server %s not responding.\n\ |
6151 | Check the DISPLAY environment variable or use \"-d\"\n", | |
dc6f92b8 JB |
6152 | display_name); |
6153 | ||
6154 | #ifdef HAVE_X11 | |
6155 | { | |
dc6f92b8 JB |
6156 | #if 0 |
6157 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 6158 | #endif /* ! 0 */ |
59653951 | 6159 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
becadff8 | 6160 | + XSTRING (Vsystem_name)->size |
60fb3ee1 | 6161 | + 2); |
becadff8 KH |
6162 | sprintf (x_id_name, "%s@%s", |
6163 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
dc6f92b8 | 6164 | } |
28430d3c JB |
6165 | |
6166 | /* Figure out which modifier bits mean what. */ | |
6167 | x_find_modifier_meanings (); | |
f451eb13 | 6168 | |
ab648270 | 6169 | /* Get the scroll bar cursor. */ |
d56a553a RS |
6170 | x_vertical_scroll_bar_cursor |
6171 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 6172 | |
d56a553a | 6173 | #if 0 |
28430d3c JB |
6174 | /* Watch for PropertyNotify events on the root window; we use them |
6175 | to figure out when to invalidate our cache of the cut buffers. */ | |
6176 | x_watch_cut_buffer_cache (); | |
d56a553a | 6177 | #endif |
28430d3c | 6178 | |
a4fc7360 | 6179 | if (ConnectionNumber (x_current_display) != 0) |
61c3ce62 RS |
6180 | change_keyboard_wait_descriptor (ConnectionNumber (x_current_display)); |
6181 | change_input_fd (ConnectionNumber (x_current_display)); | |
6d4238f3 | 6182 | |
c118dd06 | 6183 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 6184 | |
041b69ac | 6185 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 6186 | #ifdef F_SETOWN |
61c3ce62 | 6187 | old_fcntl_owner = fcntl (ConnectionNumber (x_current_display), F_GETOWN, 0); |
dc6f92b8 | 6188 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 RS |
6189 | /* stdin is a socket here */ |
6190 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, -getpid ()); | |
c118dd06 | 6191 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
61c3ce62 | 6192 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, getpid ()); |
c118dd06 JB |
6193 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
6194 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 6195 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
6196 | |
6197 | #ifdef SIGIO | |
6198 | init_sigio (); | |
c118dd06 | 6199 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 6200 | |
dc6f92b8 JB |
6201 | expose_all_windows = 0; |
6202 | ||
f676886a | 6203 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
6204 | clear_end_of_line_hook = XTclear_end_of_line; |
6205 | ins_del_lines_hook = XTins_del_lines; | |
6206 | change_line_highlight_hook = XTchange_line_highlight; | |
6207 | insert_glyphs_hook = XTinsert_glyphs; | |
6208 | write_glyphs_hook = XTwrite_glyphs; | |
6209 | delete_glyphs_hook = XTdelete_glyphs; | |
6210 | ring_bell_hook = XTring_bell; | |
6211 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
6212 | set_terminal_modes_hook = XTset_terminal_modes; | |
6213 | update_begin_hook = XTupdate_begin; | |
6214 | update_end_hook = XTupdate_end; | |
6215 | set_terminal_window_hook = XTset_terminal_window; | |
6216 | read_socket_hook = XTread_socket; | |
b8009dd1 | 6217 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
6218 | cursor_to_hook = XTcursor_to; |
6219 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 6220 | mouse_position_hook = XTmouse_position; |
f451eb13 | 6221 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 6222 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
6223 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
6224 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
6225 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
6226 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 6227 | |
f676886a | 6228 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
6229 | char_ins_del_ok = 0; /* just as fast to write the line */ |
6230 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
6231 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 6232 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
6233 | off the bottom */ |
6234 | baud_rate = 19200; | |
6235 | ||
b30b24cb RS |
6236 | /* Try to use interrupt input; if we can't, then start polling. */ |
6237 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
6238 | ||
c118dd06 JB |
6239 | /* Note that there is no real way portable across R3/R4 to get the |
6240 | original error handler. */ | |
6241 | XHandleError (x_error_quitter); | |
8922af5f | 6242 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
6243 | |
6244 | /* Disable Window Change signals; they are handled by X events. */ | |
6245 | #ifdef SIGWINCH | |
6246 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 6247 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 6248 | |
c118dd06 | 6249 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 6250 | } |
55123275 JB |
6251 | |
6252 | void | |
6253 | syms_of_xterm () | |
6254 | { | |
ab648270 | 6255 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 6256 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
6257 | staticpro (&mouse_face_window); |
6258 | mouse_face_window = Qnil; | |
55123275 | 6259 | } |
c118dd06 JB |
6260 | #endif /* ! defined (HAVE_X11) */ |
6261 | #endif /* ! defined (HAVE_X_WINDOWS) */ |