Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
b8009dd1 | 2 | Copyright (C) 1989, 1993, 1994 Free Software Foundation, Inc. |
dc6f92b8 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
4746118a | 8 | the Free Software Foundation; either version 2, or (at your option) |
dc6f92b8 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
3afe33e7 RS |
20 | /* Xt features made by Fred Pierresteguy. */ |
21 | ||
039440c4 RS |
22 | /* On 4.3 these lose if they come after xterm.h. */ |
23 | /* On HP-UX 8.0 signal.h loses if it comes after config.h. */ | |
24 | /* Putting these at the beginning seems to be standard for other .c files. */ | |
25 | #include <stdio.h> | |
26 | #include <signal.h> | |
27 | ||
18160b98 | 28 | #include <config.h> |
dc6f92b8 | 29 | |
3afe33e7 | 30 | /* Need syssignal.h for various externs and definitions that may be required |
bc20ebbf | 31 | by some configurations for calls to signal later in this source file. */ |
3afe33e7 RS |
32 | #include "syssignal.h" |
33 | ||
dc6f92b8 JB |
34 | #ifdef HAVE_X_WINDOWS |
35 | ||
36 | #include "lisp.h" | |
9ac0d9e0 | 37 | #include "blockinput.h" |
dc6f92b8 | 38 | |
dc6f92b8 JB |
39 | /* This may include sys/types.h, and that somehow loses |
40 | if this is not done before the other system files. */ | |
41 | #include "xterm.h" | |
f451eb13 | 42 | #include <X11/cursorfont.h> |
dc6f92b8 | 43 | |
16bd92ea | 44 | #ifndef USG |
dc6f92b8 JB |
45 | /* Load sys/types.h if not already loaded. |
46 | In some systems loading it twice is suicidal. */ | |
47 | #ifndef makedev | |
48 | #include <sys/types.h> | |
c118dd06 JB |
49 | #endif /* makedev */ |
50 | #endif /* USG */ | |
dc6f92b8 JB |
51 | |
52 | #ifdef BSD | |
53 | #include <sys/ioctl.h> | |
54 | #include <strings.h> | |
c118dd06 | 55 | #else /* ! defined (BSD) */ |
febf25d5 | 56 | #ifndef VMS |
dc6f92b8 | 57 | #include <string.h> |
febf25d5 | 58 | #endif |
c118dd06 | 59 | #endif /* ! defined (BSD) */ |
dc6f92b8 | 60 | |
2d368234 | 61 | #include "systty.h" |
3a2712f9 | 62 | #include "systime.h" |
dc6f92b8 | 63 | |
b8009dd1 | 64 | #ifndef INCLUDED_FCNTL |
dc6f92b8 | 65 | #include <fcntl.h> |
b8009dd1 | 66 | #endif |
dc6f92b8 JB |
67 | #include <ctype.h> |
68 | #include <errno.h> | |
69 | #include <setjmp.h> | |
70 | #include <sys/stat.h> | |
71 | #include <sys/param.h> | |
72 | ||
73 | #include "dispextern.h" | |
74 | #include "termhooks.h" | |
75 | #include "termopts.h" | |
76 | #include "termchar.h" | |
77 | #if 0 | |
78 | #include "sink.h" | |
79 | #include "sinkmask.h" | |
c118dd06 | 80 | #endif /* ! 0 */ |
dc6f92b8 | 81 | #include "gnu.h" |
f676886a | 82 | #include "frame.h" |
dc6f92b8 | 83 | #include "disptab.h" |
dc6f92b8 | 84 | #include "buffer.h" |
f451eb13 | 85 | #include "window.h" |
dc6f92b8 | 86 | |
3afe33e7 RS |
87 | #ifdef USE_X_TOOLKIT |
88 | extern XtAppContext Xt_app_con; | |
89 | extern Widget Xt_app_shell; | |
9d7e2e3e | 90 | extern void free_frame_menubar (); |
c2df547c | 91 | extern void _XEditResCheckMessages (); |
3afe33e7 RS |
92 | #endif /* USE_X_TOOLKIT */ |
93 | ||
b849c413 RS |
94 | #ifndef USE_X_TOOLKIT |
95 | #define x_any_window_to_frame x_window_to_frame | |
5627c40e | 96 | #define x_top_window_to_frame x_window_to_frame |
b849c413 RS |
97 | #endif |
98 | ||
546e6d5b RS |
99 | #ifdef USE_X_TOOLKIT |
100 | #ifndef XtNinitialState | |
101 | #define XtNinitialState "initialState" | |
102 | #endif | |
103 | #endif | |
104 | ||
dc6f92b8 JB |
105 | #ifdef HAVE_X11 |
106 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 107 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
108 | #include <X/Xkeyboard.h> |
109 | /*#include <X/Xproto.h> */ | |
c118dd06 | 110 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 111 | |
c34efc6c JB |
112 | #ifdef FD_SET |
113 | /* We could get this from param.h, but better not to depend on finding that. | |
114 | And better not to risk that it might define other symbols used in this | |
115 | file. */ | |
116 | #ifdef FD_SETSIZE | |
117 | #define MAXDESC FD_SETSIZE | |
118 | #else | |
119 | #define MAXDESC 64 | |
120 | #endif | |
121 | #define SELECT_TYPE fd_set | |
122 | #else /* no FD_SET */ | |
123 | #define MAXDESC 32 | |
124 | #define SELECT_TYPE int | |
125 | ||
126 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
127 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
128 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
129 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
130 | #define FD_ZERO(p) (*(p) = 0) | |
131 | #endif /* no FD_SET */ | |
132 | ||
dc6f92b8 JB |
133 | /* For sending Meta-characters. Do we need this? */ |
134 | #define METABIT 0200 | |
135 | ||
136 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
137 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 138 | \f |
dc6f92b8 JB |
139 | /* Nonzero means we must reprint all windows |
140 | because 1) we received an ExposeWindow event | |
f451eb13 | 141 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 142 | |
f451eb13 | 143 | This is never needed under X11. */ |
dc6f92b8 JB |
144 | static int expose_all_windows; |
145 | ||
146 | /* Nonzero means we must reprint all icon windows. */ | |
147 | ||
148 | static int expose_all_icons; | |
149 | ||
150 | #ifndef HAVE_X11 | |
151 | /* ExposeRegion events, when received, are copied into this queue | |
152 | for later processing. */ | |
153 | ||
154 | static struct event_queue x_expose_queue; | |
155 | ||
69388238 | 156 | /* ButtonPress and ButtonReleased events, when received, |
dc6f92b8 JB |
157 | are copied into this queue for later processing. */ |
158 | ||
159 | struct event_queue x_mouse_queue; | |
c118dd06 | 160 | #endif /* HAVE_X11 */ |
dc6f92b8 | 161 | |
dc6f92b8 JB |
162 | #if defined (SIGIO) && defined (FIONREAD) |
163 | int BLOCK_INPUT_mask; | |
c118dd06 | 164 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 165 | |
dc6f92b8 JB |
166 | /* The id of a bitmap used for icon windows. |
167 | One such map is shared by all Emacs icon windows. | |
168 | This is zero if we have not yet had a need to create the bitmap. */ | |
169 | ||
170 | static Bitmap icon_bitmap; | |
171 | ||
172 | /* Font used for text icons. */ | |
173 | ||
174 | static FONT_TYPE *icon_font_info; | |
175 | ||
176 | /* Stuff for dealing with the main icon title. */ | |
177 | ||
178 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 179 | char *hostname, *x_id_name; |
dc6f92b8 JB |
180 | |
181 | /* This is the X connection that we are using. */ | |
182 | ||
183 | Display *x_current_display; | |
184 | ||
ab648270 JB |
185 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
186 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 187 | |
987d2ad1 | 188 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 189 | This is set by update_begin and looked at by all the |
dc6f92b8 | 190 | XT functions. It is zero while not inside an update. |
f676886a JB |
191 | In that case, the XT functions assume that `selected_frame' |
192 | is the frame to apply to. */ | |
d0386f2a | 193 | extern struct frame *updating_frame; |
dc6f92b8 | 194 | |
f676886a | 195 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
196 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
197 | that a mere EnterNotify event can set this; if you need to know the | |
198 | last frame specified in a FocusIn or FocusOut event, use | |
199 | x_focus_event_frame. */ | |
f676886a | 200 | struct frame *x_focus_frame; |
dc6f92b8 | 201 | |
0134a210 RS |
202 | /* This is a frame waiting to be autoraised, within XTread_socket. */ |
203 | struct frame *pending_autoraise_frame; | |
204 | ||
f451eb13 JB |
205 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
206 | separate from x_focus_frame, because whether or not LeaveNotify | |
207 | events cause us to lose focus depends on whether or not we have | |
208 | received a FocusIn event for it. */ | |
209 | struct frame *x_focus_event_frame; | |
210 | ||
f676886a JB |
211 | /* The frame which currently has the visual highlight, and should get |
212 | keyboard input (other sorts of input have the frame encoded in the | |
213 | event). It points to the X focus frame's selected window's | |
214 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 215 | minibuffer. */ |
f676886a | 216 | static struct frame *x_highlight_frame; |
6d4238f3 | 217 | |
dc6f92b8 | 218 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 219 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
220 | |
221 | static int warp_mouse_on_deiconify; | |
222 | ||
223 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
224 | ||
225 | static int flexlines; | |
226 | ||
227 | /* During an update, nonzero if chars output now should be highlighted. */ | |
228 | ||
229 | static int highlight; | |
230 | ||
231 | /* Nominal cursor position -- where to draw output. | |
232 | During an update, these are different from the cursor-box position. */ | |
233 | ||
234 | static int curs_x; | |
235 | static int curs_y; | |
236 | ||
69388238 RS |
237 | /* Mouse movement. |
238 | ||
239 | In order to avoid asking for motion events and then throwing most | |
240 | of them away or busy-polling the server for mouse positions, we ask | |
241 | the server for pointer motion hints. This means that we get only | |
242 | one event per group of mouse movements. "Groups" are delimited by | |
243 | other kinds of events (focus changes and button clicks, for | |
244 | example), or by XQueryPointer calls; when one of these happens, we | |
245 | get another MotionNotify event the next time the mouse moves. This | |
246 | is at least as efficient as getting motion events when mouse | |
247 | tracking is on, and I suspect only negligibly worse when tracking | |
248 | is off. | |
249 | ||
250 | The silly O'Reilly & Associates Nutshell guides barely document | |
251 | pointer motion hints at all (I think you have to infer how they | |
252 | work from an example), and the description of XQueryPointer doesn't | |
253 | mention that calling it causes you to get another motion hint from | |
254 | the server, which is very important. */ | |
255 | ||
256 | /* Where the mouse was last time we reported a mouse event. */ | |
257 | static FRAME_PTR last_mouse_frame; | |
258 | static XRectangle last_mouse_glyph; | |
259 | ||
260 | /* The scroll bar in which the last X motion event occurred. | |
261 | ||
262 | If the last X motion event occurred in a scroll bar, we set this | |
263 | so XTmouse_position can know whether to report a scroll bar motion or | |
264 | an ordinary motion. | |
265 | ||
266 | If the last X motion event didn't occur in a scroll bar, we set this | |
267 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
268 | static Lisp_Object last_mouse_scroll_bar; | |
269 | ||
af31d76f | 270 | /* Record which buttons are currently pressed. */ |
69388238 RS |
271 | unsigned int x_mouse_grabbed; |
272 | ||
273 | /* This is a hack. We would really prefer that XTmouse_position would | |
274 | return the time associated with the position it returns, but there | |
275 | doesn't seem to be any way to wrest the timestamp from the server | |
276 | along with the position query. So, we just keep track of the time | |
277 | of the last movement we received, and return that in hopes that | |
278 | it's somewhat accurate. */ | |
279 | static Time last_mouse_movement_time; | |
280 | ||
b8009dd1 RS |
281 | /* These variables describe the range of text currently shown |
282 | in its mouse-face, together with the window they apply to. | |
283 | As long as the mouse stays within this range, we need not | |
284 | redraw anything on its account. */ | |
3b506386 KH |
285 | static int mouse_face_beg_row, mouse_face_beg_col; |
286 | static int mouse_face_end_row, mouse_face_end_col; | |
4d73d038 | 287 | static int mouse_face_past_end; |
b8009dd1 RS |
288 | static Lisp_Object mouse_face_window; |
289 | static int mouse_face_face_id; | |
290 | ||
514e4681 RS |
291 | /* 1 if a mouse motion event came and we didn't handle it right away because |
292 | gc was in progress. */ | |
293 | static int mouse_face_deferred_gc; | |
294 | ||
27f338af RS |
295 | /* FRAME and X, Y position of mouse when last checked for |
296 | highlighting. X and Y can be negative or out of range for the frame. */ | |
b8009dd1 RS |
297 | static FRAME_PTR mouse_face_mouse_frame; |
298 | static int mouse_face_mouse_x, mouse_face_mouse_y; | |
299 | ||
300 | /* Nonzero means defer mouse-motion highlighting. */ | |
301 | static int mouse_face_defer; | |
302 | ||
dc6f92b8 JB |
303 | #ifdef HAVE_X11 |
304 | /* `t' if a mouse button is depressed. */ | |
305 | ||
306 | extern Lisp_Object Vmouse_depressed; | |
307 | ||
308 | /* Tells if a window manager is present or not. */ | |
309 | ||
310 | extern Lisp_Object Vx_no_window_manager; | |
311 | ||
312 | /* Timestamp that we requested selection data was made. */ | |
313 | extern Time requestor_time; | |
314 | ||
315 | /* ID of the window requesting selection data. */ | |
316 | extern Window requestor_window; | |
317 | ||
318 | /* Nonzero enables some debugging for the X interface code. */ | |
319 | extern int _Xdebug; | |
320 | ||
c2df547c | 321 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 322 | |
c118dd06 | 323 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
324 | |
325 | /* Bit patterns for the mouse cursor. */ | |
326 | ||
327 | short MouseCursor[] = { | |
328 | 0x0000, 0x0008, 0x0018, 0x0038, | |
329 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
330 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
331 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
332 | ||
333 | short MouseMask[] = { | |
334 | 0x000c, 0x001c, 0x003c, 0x007c, | |
335 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
336 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
337 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
338 | ||
339 | static short grey_bits[] = { | |
340 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
341 | ||
342 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 343 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
344 | |
345 | /* From time to time we get info on an Emacs window, here. */ | |
346 | ||
347 | static WINDOWINFO_TYPE windowinfo; | |
348 | ||
349 | extern int errno; | |
350 | ||
dfeccd2d | 351 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
352 | extern int extra_keyboard_modifiers; |
353 | ||
dc6f92b8 JB |
354 | extern Display *XOpenDisplay (); |
355 | extern Window XCreateWindow (); | |
356 | ||
357 | extern Cursor XCreateCursor (); | |
358 | extern FONT_TYPE *XOpenFont (); | |
359 | ||
360 | static void flashback (); | |
c83febd7 | 361 | static void redraw_previous_char (); |
0cdd0c9f | 362 | static void redraw_following_char (); |
3afe33e7 | 363 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 364 | |
55836b73 | 365 | static int fast_find_position (); |
b8009dd1 RS |
366 | static void note_mouse_highlight (); |
367 | static void clear_mouse_face (); | |
368 | static void show_mouse_face (); | |
369 | ||
dc6f92b8 JB |
370 | #ifndef HAVE_X11 |
371 | static void dumpqueue (); | |
c118dd06 | 372 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
373 | |
374 | void dumpborder (); | |
4746118a JB |
375 | static int XTcursor_to (); |
376 | static int XTclear_end_of_line (); | |
16bd92ea JB |
377 | |
378 | \f | |
f451eb13 JB |
379 | /* Starting and ending updates. |
380 | ||
381 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
382 | of a frame update. We record in `updating_frame' the identity |
383 | of the frame being updated, so that the XT... functions do not | |
384 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 385 | should never be called except during an update, the only exceptions |
c83febd7 | 386 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 JB |
387 | |
388 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
389 | ||
390 | static | |
f676886a JB |
391 | XTupdate_begin (f) |
392 | struct frame *f; | |
dc6f92b8 JB |
393 | { |
394 | int mask; | |
395 | ||
f676886a | 396 | if (f == 0) |
dc6f92b8 JB |
397 | abort (); |
398 | ||
f676886a | 399 | flexlines = f->height; |
dc6f92b8 JB |
400 | highlight = 0; |
401 | ||
dc6f92b8 | 402 | BLOCK_INPUT; |
b8009dd1 RS |
403 | |
404 | if (f == mouse_face_mouse_frame) | |
405 | { | |
514e4681 | 406 | /* Don't do highlighting for mouse motion during the update. */ |
b8009dd1 RS |
407 | mouse_face_defer = 1; |
408 | if (!NILP (mouse_face_window)) | |
514e4681 RS |
409 | { |
410 | int firstline, lastline, i; | |
411 | struct window *w = XWINDOW (mouse_face_window); | |
412 | ||
413 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
414 | for (firstline = 0; firstline < f->height; firstline++) | |
415 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
416 | break; | |
417 | ||
418 | lastline = f->height; | |
419 | for (i = f->height - 1; i >= 0; i--) | |
420 | { | |
421 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
422 | break; | |
423 | else | |
424 | lastline = i; | |
425 | } | |
426 | ||
427 | /* Can we tell that this update does not affect the window | |
428 | where the mouse highlight is? If so, no need to turn off. */ | |
429 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
430 | || lastline < XFASTINT (w->top))) | |
431 | /* Otherwise turn off the mouse highlight now. */ | |
432 | clear_mouse_face (); | |
433 | } | |
b8009dd1 | 434 | } |
dc6f92b8 JB |
435 | #ifndef HAVE_X11 |
436 | dumpqueue (); | |
c118dd06 | 437 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
438 | UNBLOCK_INPUT; |
439 | } | |
440 | ||
f451eb13 | 441 | #ifndef HAVE_X11 |
dc6f92b8 | 442 | static void x_do_pending_expose (); |
f451eb13 | 443 | #endif |
dc6f92b8 JB |
444 | |
445 | static | |
f676886a JB |
446 | XTupdate_end (f) |
447 | struct frame *f; | |
dc6f92b8 JB |
448 | { |
449 | int mask; | |
450 | ||
dc6f92b8 JB |
451 | BLOCK_INPUT; |
452 | #ifndef HAVE_X11 | |
453 | dumpqueue (); | |
dc6f92b8 | 454 | x_do_pending_expose (); |
f451eb13 | 455 | #endif /* HAVE_X11 */ |
dc6f92b8 | 456 | |
f676886a | 457 | x_display_cursor (f, 1); |
dc6f92b8 | 458 | |
b8009dd1 RS |
459 | if (f == mouse_face_mouse_frame) |
460 | mouse_face_defer = 0; | |
461 | #if 0 | |
462 | /* This fails in the case of having updated only the echo area | |
463 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
464 | has no relation to the current contents, and its charstarts | |
465 | have no relation to the contents of the window-buffer. | |
466 | I don't know a clean way to check | |
467 | for that case. window_end_valid isn't set up yet. */ | |
468 | if (f == mouse_face_mouse_frame) | |
469 | note_mouse_highlight (f, mouse_face_mouse_x, mouse_face_mouse_y); | |
470 | #endif | |
471 | ||
dc6f92b8 JB |
472 | XFlushQueue (); |
473 | UNBLOCK_INPUT; | |
474 | } | |
b8009dd1 | 475 | |
514e4681 | 476 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
477 | |
478 | static | |
479 | XTframe_up_to_date (f) | |
480 | FRAME_PTR f; | |
481 | { | |
514e4681 RS |
482 | if (mouse_face_deferred_gc || f == mouse_face_mouse_frame) |
483 | { | |
484 | note_mouse_highlight (mouse_face_mouse_frame, | |
485 | mouse_face_mouse_x, mouse_face_mouse_y); | |
486 | mouse_face_deferred_gc = 0; | |
487 | } | |
b8009dd1 | 488 | } |
dc6f92b8 JB |
489 | \f |
490 | /* External interface to control of standout mode. | |
491 | Call this when about to modify line at position VPOS | |
492 | and not change whether it is highlighted. */ | |
493 | ||
494 | XTreassert_line_highlight (new, vpos) | |
495 | int new, vpos; | |
496 | { | |
497 | highlight = new; | |
498 | } | |
499 | ||
500 | /* Call this when about to modify line at position VPOS | |
501 | and change whether it is highlighted. */ | |
502 | ||
503 | static | |
504 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
505 | int new_highlight, vpos, first_unused_hpos; | |
506 | { | |
507 | highlight = new_highlight; | |
508 | XTcursor_to (vpos, 0); | |
f676886a | 509 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
510 | } |
511 | ||
512 | /* This is used when starting Emacs and when restarting after suspend. | |
513 | When starting Emacs, no X window is mapped. And nothing must be done | |
514 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
515 | ||
516 | static | |
517 | XTset_terminal_modes () | |
518 | { | |
519 | } | |
520 | ||
521 | /* This is called when exiting or suspending Emacs. | |
522 | Exiting will make the X-windows go away, and suspending | |
523 | requires no action. */ | |
524 | ||
525 | static | |
526 | XTreset_terminal_modes () | |
527 | { | |
f676886a | 528 | /* XTclear_frame (); */ |
dc6f92b8 JB |
529 | } |
530 | \f | |
f451eb13 JB |
531 | /* Set the nominal cursor position of the frame. |
532 | This is where display update commands will take effect. | |
dc6f92b8 JB |
533 | This does not affect the place where the cursor-box is displayed. */ |
534 | ||
4746118a | 535 | static int |
dc6f92b8 JB |
536 | XTcursor_to (row, col) |
537 | register int row, col; | |
538 | { | |
539 | int mask; | |
540 | int orow = row; | |
541 | ||
542 | curs_x = col; | |
543 | curs_y = row; | |
544 | ||
f676886a | 545 | if (updating_frame == 0) |
dc6f92b8 JB |
546 | { |
547 | BLOCK_INPUT; | |
f676886a | 548 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
549 | XFlushQueue (); |
550 | UNBLOCK_INPUT; | |
551 | } | |
552 | } | |
553 | \f | |
554 | /* Display a sequence of N glyphs found at GP. | |
555 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
556 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
557 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
558 | JUST_FOREGROUND if 1 means draw only the foreground; |
559 | don't alter the background. | |
dc6f92b8 | 560 | |
07e34cb0 | 561 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 562 | |
07e34cb0 JB |
563 | Since the display generation code is responsible for calling |
564 | compute_char_face and compute_glyph_face on everything it puts in | |
565 | the display structure, we can assume that the face code on each | |
28f72798 | 566 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
567 | to which we can actually apply intern_face. |
568 | Call this function with input blocked. */ | |
dc6f92b8 | 569 | |
07e34cb0 JB |
570 | #if 1 |
571 | /* This is the multi-face code. */ | |
dc6f92b8 | 572 | |
dc6f92b8 | 573 | static void |
0cdd0c9f | 574 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 575 | struct frame *f; |
dc6f92b8 JB |
576 | int left, top; |
577 | register GLYPH *gp; /* Points to first GLYPH. */ | |
578 | register int n; /* Number of glyphs to display. */ | |
579 | int hl; | |
0cdd0c9f | 580 | int just_foreground; |
dc6f92b8 | 581 | { |
07e34cb0 JB |
582 | /* Holds characters to be displayed. */ |
583 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
584 | register char *cp; /* Steps through buf[]. */ |
585 | register int tlen = GLYPH_TABLE_LENGTH; | |
586 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 587 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 588 | int orig_left = left; |
dc6f92b8 | 589 | |
07e34cb0 | 590 | while (n > 0) |
dc6f92b8 JB |
591 | { |
592 | /* Get the face-code of the next GLYPH. */ | |
593 | int cf, len; | |
594 | int g = *gp; | |
595 | ||
07e34cb0 | 596 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 597 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
598 | |
599 | /* Find the run of consecutive glyphs with the same face-code. | |
600 | Extract their character codes into BUF. */ | |
601 | cp = buf; | |
602 | while (n > 0) | |
603 | { | |
604 | g = *gp; | |
07e34cb0 | 605 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 606 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
607 | break; |
608 | ||
6f63ba79 | 609 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
610 | --n; |
611 | ++gp; | |
612 | } | |
613 | ||
614 | /* LEN gets the length of the run. */ | |
615 | len = cp - buf; | |
616 | ||
617 | /* Now output this run of chars, with the font and pixel values | |
618 | determined by the face code CF. */ | |
07e34cb0 JB |
619 | { |
620 | struct face *face = FRAME_DEFAULT_FACE (f); | |
621 | FONT_TYPE *font = FACE_FONT (face); | |
622 | GC gc = FACE_GC (face); | |
b73b6aaf | 623 | int gc_temporary = 0; |
07e34cb0 | 624 | |
b8009dd1 RS |
625 | /* HL = 3 means use a mouse face previously chosen. */ |
626 | if (hl == 3) | |
627 | cf = mouse_face_face_id; | |
628 | ||
b73b6aaf RS |
629 | /* First look at the face of the text itself. */ |
630 | if (cf != 0) | |
07e34cb0 | 631 | { |
a07d4bc5 RS |
632 | /* It's possible for the display table to specify |
633 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
634 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
635 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 636 | cf = 0; |
07e34cb0 JB |
637 | |
638 | if (cf == 1) | |
639 | face = FRAME_MODE_LINE_FACE (f); | |
640 | else | |
28f72798 | 641 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
642 | font = FACE_FONT (face); |
643 | gc = FACE_GC (face); | |
644 | } | |
4a4dc352 JB |
645 | |
646 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
647 | else if (hl == 0) |
648 | ; | |
649 | else if (hl == 1) | |
650 | { | |
651 | face = FRAME_MODE_LINE_FACE (f); | |
652 | font = FACE_FONT (face); | |
653 | gc = FACE_GC (face); | |
b73b6aaf RS |
654 | } |
655 | ||
656 | #define FACE_DEFAULT (~0) | |
657 | ||
658 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 659 | if (hl == 2) |
b73b6aaf | 660 | { |
dc05a16b | 661 | if (!face->font |
b5cf7a0e JB |
662 | || (int) face->font == FACE_DEFAULT) |
663 | { | |
664 | gc = f->display.x->cursor_gc; | |
665 | } | |
666 | /* Cursor on non-default face: must merge. */ | |
667 | else | |
668 | { | |
669 | XGCValues xgcv; | |
670 | unsigned long mask; | |
671 | ||
672 | xgcv.background = f->display.x->cursor_pixel; | |
df5a440b RS |
673 | if (face == FRAME_DEFAULT_FACE (f)) |
674 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
675 | else | |
da893f1f | 676 | xgcv.foreground = face->background; |
df5a440b RS |
677 | /* If the glyph would be invisible, |
678 | try a different foreground. */ | |
679 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 680 | xgcv.foreground = face->foreground; |
df5a440b RS |
681 | if (xgcv.foreground == xgcv.background) |
682 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
683 | if (xgcv.foreground == xgcv.background) | |
684 | xgcv.foreground = face->foreground; | |
685 | /* Make sure the cursor is distinct from text in this face. */ | |
686 | if (xgcv.background == face->background | |
687 | && xgcv.foreground == face->foreground) | |
688 | { | |
689 | xgcv.background = face->foreground; | |
690 | xgcv.foreground = face->background; | |
691 | } | |
b5cf7a0e JB |
692 | xgcv.font = face->font->fid; |
693 | xgcv.graphics_exposures = 0; | |
694 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
695 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
696 | mask, &xgcv); | |
b73b6aaf | 697 | #if 0 |
b5cf7a0e JB |
698 | if (face->stipple && face->stipple != FACE_DEFAULT) |
699 | XSetStipple (x_current_display, gc, face->stipple); | |
b73b6aaf | 700 | #endif |
b5cf7a0e JB |
701 | gc_temporary = 1; |
702 | } | |
07e34cb0 | 703 | } |
07e34cb0 | 704 | |
b5cf7a0e JB |
705 | if ((int) font == FACE_DEFAULT) |
706 | font = f->display.x->font; | |
707 | ||
0cdd0c9f RS |
708 | if (just_foreground) |
709 | XDrawString (x_current_display, window, gc, | |
710 | left, top + FONT_BASE (font), buf, len); | |
711 | else | |
712 | { | |
713 | XDrawImageString (x_current_display, window, gc, | |
714 | left, top + FONT_BASE (font), buf, len); | |
715 | /* Clear the rest of the line's height. */ | |
716 | if (f->display.x->line_height != FONT_HEIGHT (font)) | |
717 | XClearArea (x_current_display, window, left, | |
718 | top + FONT_HEIGHT (font), | |
719 | FONT_WIDTH (font) * len, | |
720 | /* This is how many pixels of height | |
721 | we have to clear. */ | |
722 | f->display.x->line_height - FONT_HEIGHT (font), | |
723 | False); | |
724 | } | |
725 | ||
726 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
727 | which often is not up to date yet. */ | |
728 | if (!just_foreground) | |
729 | { | |
730 | if (left == orig_left) | |
731 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
732 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
733 | if (n == 0) | |
734 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
735 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
736 | } | |
737 | #endif | |
07e34cb0 | 738 | |
b73b6aaf RS |
739 | if (gc_temporary) |
740 | XFreeGC (x_current_display, gc); | |
741 | ||
07e34cb0 JB |
742 | /* We should probably check for XA_UNDERLINE_POSITION and |
743 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
744 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 745 | { |
4a4dc352 | 746 | int underline_position = 1; |
07e34cb0 | 747 | |
4a4dc352 JB |
748 | if (font->descent <= underline_position) |
749 | underline_position = font->descent - 1; | |
07e34cb0 JB |
750 | |
751 | if (face->underline) | |
752 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
753 | FACE_GC (face), | |
754 | left, (top | |
755 | + FONT_BASE (font) | |
756 | + underline_position), | |
757 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 758 | } |
07e34cb0 JB |
759 | |
760 | left += len * FONT_WIDTH (font); | |
761 | } | |
dc6f92b8 JB |
762 | } |
763 | } | |
07e34cb0 JB |
764 | #endif /* 1 */ |
765 | ||
766 | #if 0 | |
767 | /* This is the old single-face code. */ | |
768 | ||
769 | static void | |
770 | dumpglyphs (f, left, top, gp, n, hl, font) | |
771 | struct frame *f; | |
772 | int left, top; | |
773 | register GLYPH *gp; /* Points to first GLYPH. */ | |
774 | register int n; /* Number of glyphs to display. */ | |
775 | int hl; | |
776 | FONT_TYPE *font; | |
777 | { | |
778 | register int len; | |
779 | Window window = FRAME_X_WINDOW (f); | |
780 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
781 | : (hl ? f->display.x->reverse_gc | |
782 | : f->display.x->normal_gc)); | |
783 | ||
784 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
785 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
786 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
787 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
788 | XDrawImageString (x_current_display, window, drawing_gc, | |
789 | left, top + FONT_BASE (font), (char *) gp, n); | |
790 | else | |
791 | /* What size of glyph ARE you using? And does X have a function to | |
792 | draw them? */ | |
793 | abort (); | |
794 | } | |
795 | #endif | |
dc6f92b8 | 796 | \f |
f451eb13 JB |
797 | /* Output some text at the nominal frame cursor position. |
798 | Advance the cursor over the text. | |
dc6f92b8 JB |
799 | Output LEN glyphs at START. |
800 | ||
801 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
802 | controls the pixel values used for foreground and background. */ | |
803 | ||
804 | static | |
805 | XTwrite_glyphs (start, len) | |
806 | register GLYPH *start; | |
807 | int len; | |
808 | { | |
809 | register int temp_length; | |
810 | int mask; | |
f676886a | 811 | struct frame *f; |
dc6f92b8 JB |
812 | |
813 | BLOCK_INPUT; | |
814 | ||
f676886a JB |
815 | f = updating_frame; |
816 | if (f == 0) | |
dc6f92b8 | 817 | { |
f676886a | 818 | f = selected_frame; |
dc6f92b8 | 819 | /* If not within an update, |
f676886a JB |
820 | output at the frame's visible cursor. */ |
821 | curs_x = f->cursor_x; | |
822 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
823 | } |
824 | ||
f676886a | 825 | dumpglyphs (f, |
12ba150f JB |
826 | CHAR_TO_PIXEL_COL (f, curs_x), |
827 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 828 | start, len, highlight, 0); |
90e65f07 JB |
829 | |
830 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
831 | if (curs_y == f->phys_cursor_y |
832 | && curs_x <= f->phys_cursor_x | |
833 | && curs_x + len > f->phys_cursor_x) | |
834 | f->phys_cursor_x = -1; | |
dc6f92b8 | 835 | |
f676886a | 836 | if (updating_frame == 0) |
dc6f92b8 | 837 | { |
f676886a JB |
838 | f->cursor_x += len; |
839 | x_display_cursor (f, 1); | |
840 | f->cursor_x -= len; | |
dc6f92b8 JB |
841 | } |
842 | else | |
843 | curs_x += len; | |
844 | ||
845 | UNBLOCK_INPUT; | |
846 | } | |
847 | \f | |
f451eb13 JB |
848 | /* Clear to the end of the line. |
849 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
850 | to column FIRST_UNUSED (exclusive). The idea is that everything |
851 | from FIRST_UNUSED onward is already erased. */ | |
852 | ||
4746118a | 853 | static int |
dc6f92b8 JB |
854 | XTclear_end_of_line (first_unused) |
855 | register int first_unused; | |
856 | { | |
f676886a | 857 | struct frame *f = updating_frame; |
dc6f92b8 JB |
858 | int mask; |
859 | ||
f676886a | 860 | if (f == 0) |
dc6f92b8 JB |
861 | abort (); |
862 | ||
f676886a | 863 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
864 | return; |
865 | if (first_unused <= 0) | |
866 | return; | |
867 | ||
f676886a JB |
868 | if (first_unused >= f->width) |
869 | first_unused = f->width; | |
dc6f92b8 JB |
870 | |
871 | BLOCK_INPUT; | |
872 | ||
90e65f07 | 873 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
874 | if (curs_y == f->phys_cursor_y |
875 | && curs_x <= f->phys_cursor_x | |
876 | && f->phys_cursor_x < first_unused) | |
877 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
878 | |
879 | #ifdef HAVE_X11 | |
c118dd06 | 880 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
881 | CHAR_TO_PIXEL_COL (f, curs_x), |
882 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 883 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 884 | f->display.x->line_height, False); |
c83febd7 | 885 | #if 0 |
0cdd0c9f | 886 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 887 | #endif |
c118dd06 JB |
888 | #else /* ! defined (HAVE_X11) */ |
889 | XPixSet (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, |
f676886a | 894 | f->display.x->background_pixel); |
c118dd06 | 895 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
896 | |
897 | UNBLOCK_INPUT; | |
898 | } | |
899 | ||
0cdd0c9f RS |
900 | static |
901 | XTclear_frame () | |
902 | { | |
903 | int mask; | |
904 | struct frame *f = updating_frame; | |
905 | ||
906 | if (f == 0) | |
907 | f = selected_frame; | |
908 | ||
909 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
910 | curs_x = 0; /* Nominal cursor position is top left. */ | |
911 | curs_y = 0; | |
912 | ||
913 | BLOCK_INPUT; | |
914 | ||
915 | XClear (FRAME_X_WINDOW (f)); | |
916 | ||
917 | /* We have to clear the scroll bars, too. If we have changed | |
918 | colors or something like that, then they should be notified. */ | |
919 | x_scroll_bar_clear (f); | |
920 | ||
921 | #ifndef HAVE_X11 | |
922 | dumpborder (f, 0); | |
923 | #endif /* HAVE_X11 */ | |
924 | ||
925 | XFlushQueue (); | |
926 | UNBLOCK_INPUT; | |
927 | } | |
928 | \f | |
929 | #if 0 | |
930 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
931 | always contain the right glyphs to use. | |
932 | ||
933 | It also needs to be changed to look at the details of the font and | |
934 | see whether there is really overlap, and do nothing when there is | |
935 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
936 | but just how to use them is not clear. */ | |
937 | ||
c83febd7 RS |
938 | /* Erase the character (if any) at the position just before X, Y in frame F, |
939 | then redraw it and the character before it. | |
940 | This is necessary when we erase starting at X, | |
f94397b5 KH |
941 | in case the character after X overlaps into the one before X. |
942 | Call this function with input blocked. */ | |
c83febd7 RS |
943 | |
944 | static void | |
0cdd0c9f | 945 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
946 | FRAME_PTR f; |
947 | int x, y; | |
0cdd0c9f | 948 | int highlight_flag; |
c83febd7 RS |
949 | { |
950 | /* Erase the character before the new ones, in case | |
951 | what was here before overlaps it. | |
952 | Reoutput that character, and the previous character | |
953 | (in case the previous character overlaps it). */ | |
954 | if (x > 0) | |
955 | { | |
956 | int start_x = x - 2; | |
957 | if (start_x < 0) | |
958 | start_x = 0; | |
959 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
960 | CHAR_TO_PIXEL_COL (f, x - 1), | |
961 | CHAR_TO_PIXEL_ROW (f, y), | |
962 | FONT_WIDTH (f->display.x->font), | |
a27f9f86 | 963 | f->display.x->line_height, False); |
c83febd7 RS |
964 | |
965 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
966 | CHAR_TO_PIXEL_ROW (f, y), | |
967 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 968 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
969 | } |
970 | } | |
971 | ||
0cdd0c9f RS |
972 | /* Erase the character (if any) at the position X, Y in frame F, |
973 | then redraw it and the character after it. | |
974 | This is necessary when we erase endng at X, | |
975 | in case the character after X overlaps into the one before X. | |
976 | Call this function with input blocked. */ | |
977 | ||
978 | static void | |
979 | redraw_following_char (f, x, y, highlight_flag) | |
980 | FRAME_PTR f; | |
981 | int x, y; | |
982 | int highlight_flag; | |
dc6f92b8 | 983 | { |
0cdd0c9f RS |
984 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
985 | /* Erase the character after the new ones, in case | |
986 | what was here before overlaps it. | |
987 | Reoutput that character, and the following character | |
988 | (in case the following character overlaps it). */ | |
989 | if (x < limit | |
990 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
991 | { | |
992 | int end_x = x + 2; | |
993 | if (end_x > limit) | |
994 | end_x = limit; | |
995 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
996 | CHAR_TO_PIXEL_COL (f, x), | |
997 | CHAR_TO_PIXEL_ROW (f, y), | |
998 | FONT_WIDTH (f->display.x->font), | |
999 | f->display.x->line_height, False); | |
dc6f92b8 | 1000 | |
0cdd0c9f RS |
1001 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
1002 | CHAR_TO_PIXEL_ROW (f, y), | |
1003 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
1004 | end_x - x, highlight_flag, 1); | |
1005 | } | |
1006 | } | |
1007 | #endif /* 0 */ | |
1008 | \f | |
1009 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 1010 | |
0cdd0c9f | 1011 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 1012 | |
0cdd0c9f RS |
1013 | static int |
1014 | font_char_overlap_left (font, c) | |
1015 | XFontStruct *font; | |
1016 | int c; | |
1017 | { | |
1018 | XCharStruct *s; | |
dbc4e1c1 | 1019 | |
0cdd0c9f RS |
1020 | /* Find the bounding-box info for C. */ |
1021 | if (font->per_char == 0) | |
1022 | s = &font->max_bounds; | |
1023 | else | |
1024 | { | |
1025 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1026 | int row, within; | |
1027 | ||
1028 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1029 | row = c >> 8; | |
1030 | within = c & 0177; | |
1031 | if (!(within >= font->min_char_or_byte2 | |
1032 | && within <= font->max_char_or_byte2 | |
1033 | && row >= font->min_byte1 | |
1034 | && row <= font->max_byte1)) | |
1035 | { | |
1036 | /* If char is out of range, try the font's default char instead. */ | |
1037 | c = font->default_char; | |
1038 | row = c >> (INTBITS - 8); | |
1039 | within = c & 0177; | |
1040 | } | |
1041 | if (!(within >= font->min_char_or_byte2 | |
1042 | && within <= font->max_char_or_byte2 | |
1043 | && row >= font->min_byte1 | |
1044 | && row <= font->max_byte1)) | |
1045 | /* Still out of range means this char does not overlap. */ | |
1046 | return 0; | |
1047 | else | |
1048 | /* We found the info for this char. */ | |
1049 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1050 | + row * rowlen); | |
1051 | } | |
dbc4e1c1 | 1052 | |
0cdd0c9f RS |
1053 | return (s && s->lbearing < 0); |
1054 | } | |
dbc4e1c1 | 1055 | |
0cdd0c9f RS |
1056 | /* Return 1 if character C in font F extends past its right edge. */ |
1057 | ||
1058 | static int | |
1059 | font_char_overlap_right (font, c) | |
1060 | XFontStruct *font; | |
1061 | int c; | |
1062 | { | |
1063 | XCharStruct *s; | |
1064 | ||
1065 | /* Find the bounding-box info for C. */ | |
1066 | if (font->per_char == 0) | |
1067 | s = &font->max_bounds; | |
1068 | else | |
1069 | { | |
1070 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1071 | int row, within; | |
1072 | ||
1073 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1074 | row = c >> 8; | |
1075 | within = c & 0177; | |
1076 | if (!(within >= font->min_char_or_byte2 | |
1077 | && within <= font->max_char_or_byte2 | |
1078 | && row >= font->min_byte1 | |
1079 | && row <= font->max_byte1)) | |
1080 | { | |
1081 | /* If char is out of range, try the font's default char instead. */ | |
1082 | c = font->default_char; | |
1083 | row = c >> (INTBITS - 8); | |
1084 | within = c & 0177; | |
1085 | } | |
1086 | if (!(within >= font->min_char_or_byte2 | |
1087 | && within <= font->max_char_or_byte2 | |
1088 | && row >= font->min_byte1 | |
1089 | && row <= font->max_byte1)) | |
1090 | /* Still out of range means this char does not overlap. */ | |
1091 | return 0; | |
1092 | else | |
1093 | /* We found the info for this char. */ | |
1094 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1095 | + row * rowlen); | |
1096 | } | |
1097 | ||
1098 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1099 | } |
0cdd0c9f | 1100 | #endif /* 0 */ |
dc6f92b8 | 1101 | \f |
dbc4e1c1 JB |
1102 | /* Invert the middle quarter of the frame for .15 sec. */ |
1103 | ||
1104 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1105 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1106 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1107 | ||
1108 | /* Subtract the `struct timeval' values X and Y, | |
1109 | storing the result in RESULT. | |
1110 | Return 1 if the difference is negative, otherwise 0. */ | |
1111 | ||
1112 | static int | |
1113 | timeval_subtract (result, x, y) | |
1114 | struct timeval *result, x, y; | |
1115 | { | |
1116 | /* Perform the carry for the later subtraction by updating y. | |
1117 | This is safer because on some systems | |
1118 | the tv_sec member is unsigned. */ | |
1119 | if (x.tv_usec < y.tv_usec) | |
1120 | { | |
1121 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1122 | y.tv_usec -= 1000000 * nsec; | |
1123 | y.tv_sec += nsec; | |
1124 | } | |
1125 | if (x.tv_usec - y.tv_usec > 1000000) | |
1126 | { | |
1127 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1128 | y.tv_usec += 1000000 * nsec; | |
1129 | y.tv_sec -= nsec; | |
1130 | } | |
1131 | ||
1132 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1133 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1134 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1135 | ||
1136 | /* Return indication of whether the result should be considered negative. */ | |
1137 | return x.tv_sec < y.tv_sec; | |
1138 | } | |
dc6f92b8 | 1139 | |
f676886a JB |
1140 | XTflash (f) |
1141 | struct frame *f; | |
dc6f92b8 | 1142 | { |
dbc4e1c1 | 1143 | BLOCK_INPUT; |
dc6f92b8 | 1144 | |
dbc4e1c1 JB |
1145 | { |
1146 | GC gc; | |
dc6f92b8 | 1147 | |
dbc4e1c1 JB |
1148 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1149 | into background pixels. */ | |
1150 | { | |
1151 | XGCValues values; | |
dc6f92b8 | 1152 | |
dbc4e1c1 JB |
1153 | values.function = GXxor; |
1154 | values.foreground = (f->display.x->foreground_pixel | |
1155 | ^ f->display.x->background_pixel); | |
1156 | ||
1157 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
1158 | GCFunction | GCForeground, &values); | |
1159 | } | |
dc6f92b8 | 1160 | |
dbc4e1c1 JB |
1161 | { |
1162 | int width = PIXEL_WIDTH (f); | |
1163 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1164 | |
dbc4e1c1 JB |
1165 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
1166 | width/4, height/4, width/2, height/2); | |
1167 | XFlush (x_current_display); | |
dc6f92b8 | 1168 | |
dbc4e1c1 JB |
1169 | { |
1170 | struct timeval wakeup, now; | |
dc6f92b8 | 1171 | |
66c30ea1 | 1172 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1173 | |
dbc4e1c1 JB |
1174 | /* Compute time to wait until, propagating carry from usecs. */ |
1175 | wakeup.tv_usec += 150000; | |
1176 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1177 | wakeup.tv_usec %= 1000000; | |
1178 | ||
1179 | /* Keep waiting until past the time wakeup. */ | |
1180 | while (1) | |
1181 | { | |
1182 | struct timeval timeout; | |
1183 | ||
66c30ea1 | 1184 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1185 | |
1186 | /* In effect, timeout = wakeup - timeout. | |
1187 | Break if result would be negative. */ | |
1188 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1189 | break; | |
1190 | ||
1191 | /* Try to wait that long--but we might wake up sooner. */ | |
1192 | select (0, 0, 0, 0, &timeout); | |
1193 | } | |
1194 | } | |
1195 | ||
1196 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
1197 | width/4, height/4, width/2, height/2); | |
1198 | XFreeGC (x_current_display, gc); | |
1199 | XFlush (x_current_display); | |
dc6f92b8 | 1200 | } |
dbc4e1c1 JB |
1201 | } |
1202 | ||
1203 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1204 | } |
1205 | ||
dbc4e1c1 JB |
1206 | #endif |
1207 | ||
1208 | ||
dc6f92b8 JB |
1209 | /* Make audible bell. */ |
1210 | ||
1211 | #ifdef HAVE_X11 | |
bc20ebbf | 1212 | #define XRINGBELL XBell (x_current_display, 0) |
c118dd06 | 1213 | #else /* ! defined (HAVE_X11) */ |
bc20ebbf | 1214 | #define XRINGBELL XFeep (0); |
c118dd06 | 1215 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1216 | |
1217 | XTring_bell () | |
1218 | { | |
5a6ef893 RS |
1219 | if (x_current_display == 0) |
1220 | return; | |
1221 | ||
dbc4e1c1 | 1222 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1223 | if (visible_bell) |
f676886a | 1224 | XTflash (selected_frame); |
dc6f92b8 | 1225 | else |
dbc4e1c1 | 1226 | #endif |
dc6f92b8 JB |
1227 | { |
1228 | BLOCK_INPUT; | |
1229 | XRINGBELL; | |
1230 | XFlushQueue (); | |
1231 | UNBLOCK_INPUT; | |
1232 | } | |
1233 | } | |
1234 | \f | |
f451eb13 JB |
1235 | /* Insert and delete character. |
1236 | These are not supposed to be used because we are supposed to turn | |
1237 | off the feature of using them. */ | |
dc6f92b8 JB |
1238 | |
1239 | static | |
1240 | XTinsert_glyphs (start, len) | |
1241 | register char *start; | |
1242 | register int len; | |
1243 | { | |
1244 | abort (); | |
1245 | } | |
1246 | ||
1247 | static | |
1248 | XTdelete_glyphs (n) | |
1249 | register int n; | |
1250 | { | |
1251 | abort (); | |
1252 | } | |
1253 | \f | |
1254 | /* Specify how many text lines, from the top of the window, | |
1255 | should be affected by insert-lines and delete-lines operations. | |
1256 | This, and those operations, are used only within an update | |
1257 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1258 | ||
1259 | static | |
1260 | XTset_terminal_window (n) | |
1261 | register int n; | |
1262 | { | |
f676886a | 1263 | if (updating_frame == 0) |
dc6f92b8 JB |
1264 | abort (); |
1265 | ||
f676886a JB |
1266 | if ((n <= 0) || (n > updating_frame->height)) |
1267 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1268 | else |
1269 | flexlines = n; | |
1270 | } | |
1271 | \f | |
f451eb13 JB |
1272 | /* Perform an insert-lines operation. |
1273 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
1274 | |
1275 | static void | |
1276 | stufflines (n) | |
1277 | register int n; | |
1278 | { | |
1279 | register int topregion, bottomregion; | |
1280 | register int length, newtop, mask; | |
f676886a JB |
1281 | register struct frame *f = updating_frame; |
1282 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1283 | |
1284 | if (curs_y >= flexlines) | |
1285 | return; | |
1286 | ||
1287 | topregion = curs_y; | |
1288 | bottomregion = flexlines - (n + 1); | |
1289 | newtop = topregion + n; | |
1290 | length = (bottomregion - topregion) + 1; | |
1291 | ||
1292 | #ifndef HAVE_X11 | |
1293 | dumpqueue (); | |
c118dd06 | 1294 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1295 | |
1296 | if ((length > 0) && (newtop <= flexlines)) | |
1297 | { | |
1298 | #ifdef HAVE_X11 | |
c118dd06 JB |
1299 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1300 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 1301 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1302 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1303 | length * f->display.x->line_height, intborder, |
12ba150f | 1304 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
1305 | #else /* ! defined (HAVE_X11) */ |
1306 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
1307 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
1308 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a | 1309 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1310 | length * f->display.x->line_height); |
dc6f92b8 JB |
1311 | /* Now we must process any ExposeRegion events that occur |
1312 | if the area being copied from is obscured. | |
1313 | We can't let it wait because further i/d operations | |
1314 | may want to copy this area to another area. */ | |
1315 | x_read_exposes (); | |
c118dd06 | 1316 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1317 | } |
1318 | ||
1319 | newtop = min (newtop, (flexlines - 1)); | |
1320 | length = newtop - topregion; | |
1321 | if (length > 0) | |
1322 | { | |
1323 | #ifdef HAVE_X11 | |
c118dd06 | 1324 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1325 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1326 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1327 | n * f->display.x->line_height, False); |
c118dd06 JB |
1328 | #else /* ! defined (HAVE_X11) */ |
1329 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1330 | intborder, |
12ba150f | 1331 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1332 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1333 | n * f->display.x->line_height, |
f676886a | 1334 | f->display.x->background_pixel); |
c118dd06 | 1335 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1336 | } |
1337 | } | |
1338 | ||
1339 | /* Perform a delete-lines operation, deleting N lines | |
1340 | at a vertical position curs_y. */ | |
1341 | ||
1342 | static void | |
1343 | scraplines (n) | |
1344 | register int n; | |
1345 | { | |
1346 | int mask; | |
f676886a JB |
1347 | register struct frame *f = updating_frame; |
1348 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1349 | |
1350 | if (curs_y >= flexlines) | |
1351 | return; | |
1352 | ||
1353 | #ifndef HAVE_X11 | |
1354 | dumpqueue (); | |
c118dd06 | 1355 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1356 | |
1357 | if ((curs_y + n) >= flexlines) | |
1358 | { | |
1359 | if (flexlines >= (curs_y + 1)) | |
1360 | { | |
1361 | #ifdef HAVE_X11 | |
c118dd06 | 1362 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1363 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a | 1364 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1365 | (flexlines - curs_y) * f->display.x->line_height, False); |
c118dd06 JB |
1366 | #else /* ! defined (HAVE_X11) */ |
1367 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 1368 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a | 1369 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1370 | (flexlines - curs_y) * f->display.x->line_height, |
f676886a | 1371 | f->display.x->background_pixel); |
c118dd06 | 1372 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1373 | } |
1374 | } | |
1375 | else | |
1376 | { | |
1377 | #ifdef HAVE_X11 | |
c118dd06 JB |
1378 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1379 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 1380 | intborder, |
12ba150f | 1381 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a | 1382 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1383 | (flexlines - (curs_y + n)) * f->display.x->line_height, |
12ba150f | 1384 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 1385 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 1386 | intborder, |
12ba150f | 1387 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1388 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1389 | n * f->display.x->line_height, False); |
c118dd06 JB |
1390 | #else /* ! defined (HAVE_X11) */ |
1391 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1392 | intborder, |
12ba150f JB |
1393 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
1394 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 1395 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1396 | (flexlines - (curs_y + n)) * f->display.x->line_height); |
dc6f92b8 JB |
1397 | /* Now we must process any ExposeRegion events that occur |
1398 | if the area being copied from is obscured. | |
1399 | We can't let it wait because further i/d operations | |
1400 | may want to copy this area to another area. */ | |
1401 | x_read_exposes (); | |
c118dd06 | 1402 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 1403 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1404 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1405 | n * f->display.x->line_height, f->display.x->background_pixel); |
c118dd06 | 1406 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1407 | } |
1408 | } | |
1409 | ||
1410 | /* Perform an insert-lines or delete-lines operation, | |
1411 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1412 | ||
1413 | XTins_del_lines (vpos, n) | |
1414 | int vpos, n; | |
1415 | { | |
f676886a | 1416 | if (updating_frame == 0) |
dc6f92b8 JB |
1417 | abort (); |
1418 | ||
90e65f07 | 1419 | /* Hide the cursor. */ |
f676886a | 1420 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1421 | |
1422 | XTcursor_to (vpos, 0); | |
1423 | ||
1424 | BLOCK_INPUT; | |
1425 | if (n >= 0) | |
1426 | stufflines (n); | |
1427 | else | |
1428 | scraplines (-n); | |
1429 | XFlushQueue (); | |
1430 | UNBLOCK_INPUT; | |
1431 | } | |
1432 | \f | |
f451eb13 | 1433 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1434 | static void clear_cursor (); |
1435 | ||
f676886a JB |
1436 | /* Output into a rectangle of an X-window (for frame F) |
1437 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1438 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1439 | ROWS and COLS are the size of the rectangle. |
1440 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1441 | |
1442 | static void | |
f676886a JB |
1443 | dumprectangle (f, left, top, cols, rows) |
1444 | struct frame *f; | |
dc6f92b8 JB |
1445 | register int left, top, cols, rows; |
1446 | { | |
f676886a | 1447 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1448 | int cursor_cleared = 0; |
1449 | int bottom, right; | |
1450 | register int y; | |
1451 | ||
f676886a | 1452 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1453 | return; |
1454 | ||
dc6f92b8 JB |
1455 | /* Express rectangle as four edges, instead of position-and-size. */ |
1456 | bottom = top + rows; | |
1457 | right = left + cols; | |
1458 | ||
1459 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1460 | { |
1461 | int intborder = f->display.x->internal_border_width; | |
1462 | ||
1463 | /* If the rectangle includes any of the internal border area, | |
1464 | redisplay the border emphasis. */ | |
1465 | if (top < intborder || left < intborder | |
a27f9f86 RS |
1466 | || bottom > intborder + f->height * f->display.x->line_height |
1467 | || right > intborder + f->width * f->display.x->line_height) | |
12ba150f JB |
1468 | dumpborder (f, 0); |
1469 | } | |
b8009dd1 | 1470 | #endif /* not HAVE_X11 Window manger does this for X11. */ |
dc6f92b8 JB |
1471 | |
1472 | /* Convert rectangle edges in pixels to edges in chars. | |
1473 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1474 | top = PIXEL_TO_CHAR_ROW (f, top); |
1475 | left = PIXEL_TO_CHAR_COL (f, left); | |
a27f9f86 | 1476 | bottom += (f->display.x->line_height - 1); |
f676886a | 1477 | right += (FONT_WIDTH (f->display.x->font) - 1); |
12ba150f JB |
1478 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1479 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1480 | |
1481 | /* Clip the rectangle to what can be visible. */ | |
1482 | if (left < 0) | |
1483 | left = 0; | |
1484 | if (top < 0) | |
1485 | top = 0; | |
f676886a JB |
1486 | if (right > f->width) |
1487 | right = f->width; | |
1488 | if (bottom > f->height) | |
1489 | bottom = f->height; | |
dc6f92b8 JB |
1490 | |
1491 | /* Get size in chars of the rectangle. */ | |
1492 | cols = right - left; | |
1493 | rows = bottom - top; | |
1494 | ||
1495 | /* If rectangle has zero area, return. */ | |
1496 | if (rows <= 0) return; | |
1497 | if (cols <= 0) return; | |
1498 | ||
1499 | /* Turn off the cursor if it is in the rectangle. | |
1500 | We will turn it back on afterward. */ | |
f676886a JB |
1501 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1502 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1503 | { |
f676886a | 1504 | clear_cursor (f); |
dc6f92b8 JB |
1505 | cursor_cleared = 1; |
1506 | } | |
1507 | ||
1508 | /* Display the text in the rectangle, one text line at a time. */ | |
1509 | ||
1510 | for (y = top; y < bottom; y++) | |
1511 | { | |
f676886a | 1512 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1513 | |
f676886a | 1514 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1515 | continue; |
1516 | ||
f676886a | 1517 | dumpglyphs (f, |
12ba150f JB |
1518 | CHAR_TO_PIXEL_COL (f, left), |
1519 | CHAR_TO_PIXEL_ROW (f, y), | |
1520 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1521 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1522 | } |
1523 | ||
1524 | /* Turn the cursor on if we turned it off. */ | |
1525 | ||
1526 | if (cursor_cleared) | |
f676886a | 1527 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1528 | } |
1529 | ||
1530 | #ifndef HAVE_X11 | |
1531 | /* Process all queued ExposeRegion events. */ | |
1532 | ||
1533 | static void | |
1534 | dumpqueue () | |
1535 | { | |
1536 | register int i; | |
1537 | XExposeRegionEvent r; | |
1538 | ||
1539 | while (dequeue_event (&r, &x_expose_queue)) | |
1540 | { | |
f676886a JB |
1541 | struct frame *f = x_window_to_frame (r.window); |
1542 | if (f->display.x->icon_desc == r.window) | |
1543 | refreshicon (f); | |
dc6f92b8 | 1544 | else |
f676886a | 1545 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1546 | } |
1547 | XFlushQueue (); | |
1548 | } | |
c118dd06 | 1549 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1550 | \f |
f451eb13 | 1551 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1552 | Redraws the cursor if necessary on any frame that |
1553 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1554 | |
f451eb13 | 1555 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1556 | static void |
1557 | x_do_pending_expose () | |
1558 | { | |
1559 | int mask; | |
f676886a JB |
1560 | struct frame *f; |
1561 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1562 | |
1563 | if (expose_all_windows) | |
1564 | { | |
1565 | expose_all_windows = 0; | |
f676886a | 1566 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1567 | { |
1568 | register int temp_width, temp_height; | |
1569 | int intborder; | |
1570 | ||
f676886a | 1571 | frame = XCONS (tail)->car; |
ab648270 | 1572 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1573 | continue; |
f676886a | 1574 | f = XFRAME (frame); |
b1c884c3 | 1575 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1576 | continue; |
3a88c238 | 1577 | if (!f->async_visible) |
dc6f92b8 | 1578 | continue; |
f676886a | 1579 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1580 | continue; |
1581 | ||
f676886a | 1582 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1583 | |
f676886a | 1584 | clear_cursor (f); |
c118dd06 | 1585 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1586 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1587 | - f->display.x->v_scroll_bar_width) |
f676886a | 1588 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1589 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1590 | - f->display.x->h_scroll_bar_height) |
a27f9f86 | 1591 | / f->display.x->line_height); |
f676886a | 1592 | if (temp_width != f->width || temp_height != f->height) |
dc6f92b8 | 1593 | { |
f676886a | 1594 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1595 | max (1, temp_width), 0, 1); |
ab648270 | 1596 | x_resize_scroll_bars (f); |
dc6f92b8 | 1597 | } |
f676886a JB |
1598 | f->display.x->left_pos = windowinfo.x; |
1599 | f->display.x->top_pos = windowinfo.y; | |
1600 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1601 | #if 0 |
f676886a | 1602 | dumpborder (f, 0); |
c118dd06 | 1603 | #endif /* ! 0 */ |
f676886a JB |
1604 | f->display.x->needs_exposure = 0; |
1605 | if (updating_frame != f) | |
1606 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1607 | XFlushQueue (); |
1608 | } | |
1609 | } | |
1610 | else | |
1611 | /* Handle any individual-rectangle expose events queued | |
1612 | for various windows. */ | |
1613 | #ifdef HAVE_X11 | |
1614 | ; | |
c118dd06 | 1615 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1616 | dumpqueue (); |
c118dd06 | 1617 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1618 | } |
f451eb13 | 1619 | #endif |
dc6f92b8 JB |
1620 | |
1621 | #ifdef HAVE_X11 | |
1622 | static void | |
f676886a JB |
1623 | frame_highlight (frame) |
1624 | struct frame *frame; | |
dc6f92b8 | 1625 | { |
b3e1e05c JB |
1626 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1627 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1628 | and border pixel are window attributes which are "private to the | |
1629 | client", so we can always change it to whatever we want. */ | |
1630 | BLOCK_INPUT; | |
1631 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), | |
1632 | frame->display.x->border_pixel); | |
1633 | UNBLOCK_INPUT; | |
f676886a | 1634 | x_display_cursor (frame, 1); |
dc6f92b8 JB |
1635 | } |
1636 | ||
1637 | static void | |
f676886a JB |
1638 | frame_unhighlight (frame) |
1639 | struct frame *frame; | |
dc6f92b8 | 1640 | { |
b3e1e05c JB |
1641 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1642 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1643 | and border pixel are window attributes which are "private to the | |
1644 | client", so we can always change it to whatever we want. */ | |
1645 | BLOCK_INPUT; | |
1646 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), | |
1647 | frame->display.x->border_tile); | |
1648 | UNBLOCK_INPUT; | |
f676886a | 1649 | x_display_cursor (frame, 1); |
dc6f92b8 | 1650 | } |
c118dd06 | 1651 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1652 | /* Dump the border-emphasis of frame F. |
1653 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1654 | just within the border, occupying a portion of the internal border. |
f676886a | 1655 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1656 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1657 | ||
f676886a | 1658 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1659 | In that case, we also turn the cursor off and on again |
1660 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1661 | ||
1662 | static void | |
f676886a JB |
1663 | dumpborder (f, always) |
1664 | struct frame *f; | |
dc6f92b8 JB |
1665 | int always; |
1666 | { | |
f676886a JB |
1667 | int thickness = f->display.x->internal_border_width / 2; |
1668 | int width = PIXEL_WIDTH (f); | |
1669 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1670 | int pixel; |
1671 | ||
f676886a | 1672 | if (f != selected_frame) |
dc6f92b8 JB |
1673 | { |
1674 | if (!always) | |
1675 | return; | |
1676 | ||
f676886a | 1677 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1678 | } |
1679 | else | |
1680 | { | |
f676886a | 1681 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1682 | } |
1683 | ||
c118dd06 JB |
1684 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1685 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1686 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1687 | thickness, pixel); |
c118dd06 | 1688 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1689 | height, pixel); |
1690 | ||
1691 | if (always) | |
f676886a | 1692 | x_display_cursor (f, 1); |
dc6f92b8 | 1693 | } |
c118dd06 | 1694 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1695 | |
f676886a | 1696 | static void XTframe_rehighlight (); |
6d4238f3 | 1697 | |
f676886a JB |
1698 | /* The focus has changed. Update the frames as necessary to reflect |
1699 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1700 | here, because the lisp code we are interrupting might become confused. |
eb8c3be9 | 1701 | Each event gets marked with the frame in which it occurred, so the |
6d4238f3 | 1702 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1703 | |
6d4238f3 | 1704 | static void |
f676886a JB |
1705 | x_new_focus_frame (frame) |
1706 | struct frame *frame; | |
dc6f92b8 | 1707 | { |
f676886a | 1708 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1709 | int events_enqueued = 0; |
1710 | ||
f676886a | 1711 | if (frame != x_focus_frame) |
dc6f92b8 | 1712 | { |
6d4238f3 | 1713 | /* Set this before calling other routines, so that they see |
f676886a JB |
1714 | the correct value of x_focus_frame. */ |
1715 | x_focus_frame = frame; | |
6d4238f3 JB |
1716 | |
1717 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1718 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1719 | |
1720 | #if 0 | |
f676886a JB |
1721 | selected_frame = frame; |
1722 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1723 | Lisp_Frame, selected_frame); | |
1724 | Fselect_window (selected_frame->selected_window); | |
1725 | choose_minibuf_frame (); | |
c118dd06 | 1726 | #endif /* ! 0 */ |
dc6f92b8 | 1727 | |
f676886a | 1728 | if (x_focus_frame && x_focus_frame->auto_raise) |
0134a210 RS |
1729 | pending_autoraise_frame = x_focus_frame; |
1730 | else | |
1731 | pending_autoraise_frame = 0; | |
6d4238f3 | 1732 | } |
dc6f92b8 | 1733 | |
f676886a | 1734 | XTframe_rehighlight (); |
6d4238f3 JB |
1735 | } |
1736 | ||
1737 | ||
f451eb13 JB |
1738 | /* The focus has changed, or we have redirected a frame's focus to |
1739 | another frame (this happens when a frame uses a surrogate | |
1740 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1741 | static void |
f676886a | 1742 | XTframe_rehighlight () |
6d4238f3 | 1743 | { |
f676886a | 1744 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1745 | |
f676886a | 1746 | if (x_focus_frame) |
6d4238f3 | 1747 | { |
f451eb13 | 1748 | x_highlight_frame = |
ab648270 | 1749 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1750 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1751 | : x_focus_frame); | |
1752 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1753 | { | |
1754 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1755 | x_highlight_frame = x_focus_frame; | |
1756 | } | |
dc6f92b8 | 1757 | } |
6d4238f3 | 1758 | else |
f676886a | 1759 | x_highlight_frame = 0; |
dc6f92b8 | 1760 | |
f676886a | 1761 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1762 | { |
1763 | if (old_highlight) | |
f676886a JB |
1764 | frame_unhighlight (old_highlight); |
1765 | if (x_highlight_frame) | |
1766 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1767 | } |
dc6f92b8 JB |
1768 | } |
1769 | \f | |
e4571a43 | 1770 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1771 | |
28430d3c JB |
1772 | /* Which modifier keys are on which modifier bits? |
1773 | ||
1774 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1775 | keys were held down when the key was pressed. The interpretation |
1776 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1777 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1778 | is the meta bit. | |
1779 | ||
1780 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1781 | It may have more than one bit set, if more than one modifier bit | |
1782 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1783 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1784 | ||
1785 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1786 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1787 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1788 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1789 | arrangement, the lock modifier should shift the character if | |
1790 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1791 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1792 | |
a3c44b14 RS |
1793 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1794 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1795 | ||
28430d3c JB |
1796 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1797 | static void | |
1798 | x_find_modifier_meanings () | |
1799 | { | |
f689eb05 | 1800 | int min_code, max_code; |
28430d3c JB |
1801 | KeySym *syms; |
1802 | int syms_per_code; | |
1803 | XModifierKeymap *mods; | |
1804 | ||
1805 | x_meta_mod_mask = 0; | |
11edeb03 | 1806 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1807 | x_alt_mod_mask = 0; |
1808 | x_super_mod_mask = 0; | |
1809 | x_hyper_mod_mask = 0; | |
28430d3c | 1810 | |
9658a521 | 1811 | #ifdef HAVE_X11R4 |
28430d3c | 1812 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1813 | #else |
1814 | min_code = x_current_display->min_keycode; | |
1815 | max_code = x_current_display->max_keycode; | |
1816 | #endif | |
1817 | ||
28430d3c JB |
1818 | syms = XGetKeyboardMapping (x_current_display, |
1819 | min_code, max_code - min_code + 1, | |
1820 | &syms_per_code); | |
1821 | mods = XGetModifierMapping (x_current_display); | |
1822 | ||
11edeb03 JB |
1823 | /* Scan the modifier table to see which modifier bits the Meta and |
1824 | Alt keysyms are on. */ | |
28430d3c JB |
1825 | { |
1826 | int row, col; /* The row and column in the modifier table. */ | |
1827 | ||
1828 | for (row = 3; row < 8; row++) | |
1829 | for (col = 0; col < mods->max_keypermod; col++) | |
1830 | { | |
1831 | KeyCode code = | |
1832 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1833 | ||
af92970c KH |
1834 | /* Zeroes are used for filler. Skip them. */ |
1835 | if (code == 0) | |
1836 | continue; | |
1837 | ||
28430d3c JB |
1838 | /* Are any of this keycode's keysyms a meta key? */ |
1839 | { | |
1840 | int code_col; | |
1841 | ||
1842 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1843 | { | |
f689eb05 | 1844 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1845 | |
f689eb05 | 1846 | switch (sym) |
28430d3c | 1847 | { |
f689eb05 JB |
1848 | case XK_Meta_L: |
1849 | case XK_Meta_R: | |
28430d3c JB |
1850 | x_meta_mod_mask |= (1 << row); |
1851 | break; | |
f689eb05 JB |
1852 | |
1853 | case XK_Alt_L: | |
1854 | case XK_Alt_R: | |
a3c44b14 RS |
1855 | x_alt_mod_mask |= (1 << row); |
1856 | break; | |
1857 | ||
1858 | case XK_Hyper_L: | |
1859 | case XK_Hyper_R: | |
1860 | x_hyper_mod_mask |= (1 << row); | |
1861 | break; | |
1862 | ||
1863 | case XK_Super_L: | |
1864 | case XK_Super_R: | |
1865 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1866 | break; |
11edeb03 JB |
1867 | |
1868 | case XK_Shift_Lock: | |
1869 | /* Ignore this if it's not on the lock modifier. */ | |
1870 | if ((1 << row) == LockMask) | |
1871 | x_shift_lock_mask = LockMask; | |
1872 | break; | |
28430d3c JB |
1873 | } |
1874 | } | |
1875 | } | |
1876 | } | |
1877 | } | |
1878 | ||
f689eb05 JB |
1879 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1880 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1881 | { |
1882 | x_meta_mod_mask = x_alt_mod_mask; | |
1883 | x_alt_mod_mask = 0; | |
1884 | } | |
f689eb05 | 1885 | |
148c4b70 RS |
1886 | /* If some keys are both alt and meta, |
1887 | make them just meta, not alt. */ | |
1888 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1889 | { | |
1890 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1891 | } | |
1892 | ||
28430d3c | 1893 | XFree ((char *) syms); |
f689eb05 | 1894 | XFreeModifiermap (mods); |
28430d3c JB |
1895 | } |
1896 | ||
dfeccd2d JB |
1897 | /* Convert between the modifier bits X uses and the modifier bits |
1898 | Emacs uses. */ | |
7c5283e4 | 1899 | static unsigned int |
dfeccd2d | 1900 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1901 | unsigned int state; |
1902 | { | |
11edeb03 JB |
1903 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1904 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1905 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1906 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1907 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1908 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1909 | } |
1910 | ||
dfeccd2d JB |
1911 | static unsigned int |
1912 | x_emacs_to_x_modifiers (state) | |
1913 | unsigned int state; | |
1914 | { | |
1915 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1916 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1917 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1918 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1919 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1920 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1921 | } | |
e4571a43 JB |
1922 | \f |
1923 | /* Mouse clicks and mouse movement. Rah. */ | |
1924 | #ifdef HAVE_X11 | |
1925 | ||
1926 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1927 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1928 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1929 | If NOCLIP is nonzero, do not force the value into range. */ | |
1930 | ||
c8dba240 | 1931 | void |
69388238 | 1932 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1933 | FRAME_PTR f; |
69388238 | 1934 | register int pix_x, pix_y; |
e4571a43 JB |
1935 | register int *x, *y; |
1936 | XRectangle *bounds; | |
69388238 | 1937 | int noclip; |
e4571a43 | 1938 | { |
69388238 RS |
1939 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1940 | even for negative values. */ | |
1941 | if (pix_x < 0) | |
1942 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1943 | if (pix_y < 0) | |
a27f9f86 | 1944 | pix_y -= (f)->display.x->line_height - 1; |
69388238 | 1945 | |
e4571a43 JB |
1946 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1947 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1948 | ||
1949 | if (bounds) | |
1950 | { | |
1951 | bounds->width = FONT_WIDTH (f->display.x->font); | |
a27f9f86 | 1952 | bounds->height = f->display.x->line_height; |
e4571a43 JB |
1953 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1954 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1955 | } | |
1956 | ||
69388238 RS |
1957 | if (!noclip) |
1958 | { | |
1959 | if (pix_x < 0) | |
1960 | pix_x = 0; | |
1961 | else if (pix_x > f->width) | |
1962 | pix_x = f->width; | |
1963 | ||
1964 | if (pix_y < 0) | |
1965 | pix_y = 0; | |
1966 | else if (pix_y > f->height) | |
1967 | pix_y = f->height; | |
1968 | } | |
e4571a43 JB |
1969 | |
1970 | *x = pix_x; | |
1971 | *y = pix_y; | |
1972 | } | |
1973 | ||
2b5c9e71 RS |
1974 | void |
1975 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1976 | FRAME_PTR f; | |
1977 | register int x, y; | |
1978 | register int *pix_x, *pix_y; | |
1979 | { | |
1980 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1981 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1982 | } | |
1983 | ||
dc6f92b8 JB |
1984 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1985 | ||
1986 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1987 | the mouse. */ |
dc6f92b8 JB |
1988 | |
1989 | static Lisp_Object | |
f451eb13 | 1990 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1991 | struct input_event *result; |
1992 | XButtonEvent *event; | |
f676886a | 1993 | struct frame *f; |
dc6f92b8 | 1994 | { |
f451eb13 | 1995 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1996 | otherwise. */ |
f451eb13 | 1997 | result->kind = mouse_click; |
69388238 | 1998 | result->code = event->button - Button1; |
1113d9db | 1999 | result->timestamp = event->time; |
dfeccd2d | 2000 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
2001 | | (event->type == ButtonRelease |
2002 | ? up_modifier | |
2003 | : down_modifier)); | |
dc6f92b8 JB |
2004 | |
2005 | /* Notice if the mouse is still grabbed. */ | |
2006 | if (event->type == ButtonPress) | |
2007 | { | |
2008 | if (! x_mouse_grabbed) | |
2009 | Vmouse_depressed = Qt; | |
90e65f07 | 2010 | x_mouse_grabbed |= (1 << event->button); |
69388238 | 2011 | last_mouse_frame = f; |
dc6f92b8 JB |
2012 | } |
2013 | else if (event->type == ButtonRelease) | |
2014 | { | |
90e65f07 | 2015 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
2016 | if (!x_mouse_grabbed) |
2017 | Vmouse_depressed = Qnil; | |
2018 | } | |
2019 | ||
f451eb13 JB |
2020 | { |
2021 | int row, column; | |
dc6f92b8 | 2022 | |
2b5c9e71 | 2023 | #if 0 |
69388238 | 2024 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
f451eb13 JB |
2025 | XFASTINT (result->x) = column; |
2026 | XFASTINT (result->y) = row; | |
2b5c9e71 | 2027 | #endif |
09fe4c31 RS |
2028 | XSET (result->x, Lisp_Int, event->x); |
2029 | XSET (result->y, Lisp_Int, event->y); | |
12ba150f | 2030 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 2031 | } |
dc6f92b8 | 2032 | } |
b849c413 RS |
2033 | |
2034 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
2035 | ||
2036 | static Lisp_Object | |
2037 | construct_menu_click (result, event, f) | |
2038 | struct input_event *result; | |
2039 | XButtonEvent *event; | |
2040 | struct frame *f; | |
2041 | { | |
2042 | /* Make the event type no_event; we'll change that when we decide | |
2043 | otherwise. */ | |
2044 | result->kind = mouse_click; | |
2045 | XSET (result->code, Lisp_Int, event->button - Button1); | |
2046 | result->timestamp = event->time; | |
2047 | result->modifiers = (x_x_to_emacs_modifiers (event->state) | |
2048 | | (event->type == ButtonRelease | |
2049 | ? up_modifier | |
2050 | : down_modifier)); | |
2051 | ||
09fe4c31 RS |
2052 | XSET (result->x, Lisp_Int, event->x); |
2053 | XSET (result->y, Lisp_Int, -1); | |
c8dba240 | 2054 | XSET (result->frame_or_window, Lisp_Frame, f); |
b849c413 | 2055 | } |
69388238 | 2056 | \f |
90e65f07 JB |
2057 | /* Function to report a mouse movement to the mainstream Emacs code. |
2058 | The input handler calls this. | |
2059 | ||
2060 | We have received a mouse movement event, which is given in *event. | |
2061 | If the mouse is over a different glyph than it was last time, tell | |
2062 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
2063 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 2064 | |
90e65f07 | 2065 | static void |
12ba150f | 2066 | note_mouse_movement (frame, event) |
f676886a | 2067 | FRAME_PTR frame; |
90e65f07 JB |
2068 | XMotionEvent *event; |
2069 | ||
2070 | { | |
e5d77022 JB |
2071 | last_mouse_movement_time = event->time; |
2072 | ||
27f338af RS |
2073 | if (event->window != FRAME_X_WINDOW (frame)) |
2074 | { | |
2075 | mouse_moved = 1; | |
2076 | last_mouse_scroll_bar = Qnil; | |
2077 | ||
2078 | note_mouse_highlight (frame, -1, -1); | |
2079 | ||
2080 | /* Ask for another mouse motion event. */ | |
2081 | { | |
2082 | int dummy; | |
2083 | ||
2084 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), | |
2085 | (Window *) &dummy, (Window *) &dummy, | |
2086 | &dummy, &dummy, &dummy, &dummy, | |
2087 | (unsigned int *) &dummy); | |
2088 | } | |
2089 | } | |
2090 | ||
90e65f07 | 2091 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
27f338af RS |
2092 | else if (event->x < last_mouse_glyph.x |
2093 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
2094 | || event->y < last_mouse_glyph.y | |
2095 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
2096 | { |
2097 | mouse_moved = 1; | |
ab648270 | 2098 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
2099 | |
2100 | note_mouse_highlight (frame, event->x, event->y); | |
2101 | ||
2102 | /* Ask for another mouse motion event. */ | |
2103 | { | |
2104 | int dummy; | |
2105 | ||
27f338af | 2106 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
b8009dd1 RS |
2107 | (Window *) &dummy, (Window *) &dummy, |
2108 | &dummy, &dummy, &dummy, &dummy, | |
2109 | (unsigned int *) &dummy); | |
2110 | } | |
12ba150f | 2111 | } |
90e65f07 JB |
2112 | else |
2113 | { | |
2114 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
2115 | event the next time the mouse moves and we can see if it's | |
2116 | *still* on the same glyph. */ | |
2117 | int dummy; | |
2118 | ||
27f338af | 2119 | XQueryPointer (event->display, FRAME_X_WINDOW (frame), |
90e65f07 JB |
2120 | (Window *) &dummy, (Window *) &dummy, |
2121 | &dummy, &dummy, &dummy, &dummy, | |
2122 | (unsigned int *) &dummy); | |
2123 | } | |
2124 | } | |
2125 | ||
bf1c0ba1 RS |
2126 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
2127 | static int disable_mouse_highlight; | |
2128 | ||
b8009dd1 RS |
2129 | /* Take proper action when the mouse has moved to position X, Y on frame F |
2130 | as regards highlighting characters that have mouse-face properties. | |
27f338af RS |
2131 | Also dehighlighting chars where the mouse was before. |
2132 | X and Y can be negative or out of range. */ | |
b8009dd1 RS |
2133 | |
2134 | static void | |
2135 | note_mouse_highlight (f, x, y) | |
2136 | FRAME_PTR f; | |
2137 | { | |
2138 | int row, column, portion; | |
2139 | XRectangle new_glyph; | |
2140 | Lisp_Object window; | |
2141 | struct window *w; | |
2142 | ||
bf1c0ba1 RS |
2143 | if (disable_mouse_highlight) |
2144 | return; | |
2145 | ||
b8009dd1 RS |
2146 | mouse_face_mouse_x = x; |
2147 | mouse_face_mouse_y = y; | |
2148 | mouse_face_mouse_frame = f; | |
2149 | ||
2150 | if (mouse_face_defer) | |
2151 | return; | |
2152 | ||
514e4681 RS |
2153 | if (gc_in_progress) |
2154 | { | |
2155 | mouse_face_deferred_gc = 1; | |
2156 | return; | |
2157 | } | |
2158 | ||
b8009dd1 RS |
2159 | /* Find out which glyph the mouse is on. */ |
2160 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
2161 | &new_glyph, x_mouse_grabbed); | |
2162 | ||
2163 | /* Which window is that in? */ | |
2164 | window = window_from_coordinates (f, column, row, &portion); | |
2165 | w = XWINDOW (window); | |
2166 | ||
2167 | /* If we were displaying active text in another window, clear that. */ | |
2168 | if (! EQ (window, mouse_face_window)) | |
2169 | clear_mouse_face (); | |
2170 | ||
0cdd0c9f RS |
2171 | /* Are we in a window whose display is up to date? |
2172 | And verify the buffer's text has not changed. */ | |
27f338af RS |
2173 | if (WINDOWP (window) && portion == 0 && row >= 0 && column >= 0 |
2174 | && row < FRAME_HEIGHT (f) && column < FRAME_WIDTH (f) | |
0cdd0c9f RS |
2175 | && EQ (w->window_end_valid, w->buffer) |
2176 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
2177 | { |
2178 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
2179 | int i, pos; | |
2180 | ||
2181 | /* Find which buffer position the mouse corresponds to. */ | |
2182 | for (i = column; i >= 0; i--) | |
2183 | if (ptr[i] > 0) | |
2184 | break; | |
2185 | pos = ptr[i]; | |
2186 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 KH |
2187 | if (pos <= 0) |
2188 | clear_mouse_face (); | |
2189 | else if (! (EQ (window, mouse_face_window) | |
3b506386 KH |
2190 | && row >= mouse_face_beg_row |
2191 | && row <= mouse_face_end_row | |
2192 | && (row > mouse_face_beg_row || column >= mouse_face_beg_col) | |
4d73d038 RS |
2193 | && (row < mouse_face_end_row || column < mouse_face_end_col |
2194 | || mouse_face_past_end))) | |
b8009dd1 RS |
2195 | { |
2196 | Lisp_Object mouse_face, overlay, position; | |
2197 | Lisp_Object *overlay_vec; | |
2198 | int len, noverlays, ignor1; | |
f8bdb8e6 | 2199 | struct buffer *obuf; |
e444162e | 2200 | int obegv, ozv; |
f8bdb8e6 | 2201 | |
e444162e RS |
2202 | /* If we get an out-of-range value, return now; avoid an error. */ |
2203 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 2204 | return; |
b8009dd1 | 2205 | |
09fe4c31 RS |
2206 | /* Make the window's buffer temporarily current for |
2207 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 2208 | obuf = current_buffer; |
09fe4c31 | 2209 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
2210 | obegv = BEGV; |
2211 | ozv = ZV; | |
2212 | BEGV = BEG; | |
2213 | ZV = Z; | |
09fe4c31 | 2214 | |
b8009dd1 RS |
2215 | /* Yes. Clear the display of the old active region, if any. */ |
2216 | clear_mouse_face (); | |
2217 | ||
2218 | /* Is this char mouse-active? */ | |
2219 | XSET (position, Lisp_Int, pos); | |
2220 | ||
2221 | len = 10; | |
2222 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
2223 | ||
2224 | /* Put all the overlays we want in a vector in overlay_vec. | |
2225 | Store the length in len. */ | |
2226 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, &ignor1); | |
09fe4c31 | 2227 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
2228 | |
2229 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
2230 | overlay = Qnil; | |
2231 | for (i = 0; i < noverlays; i++) | |
2232 | { | |
2233 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2234 | if (!NILP (mouse_face)) | |
2235 | { | |
2236 | overlay = overlay_vec[i]; | |
2237 | break; | |
2238 | } | |
2239 | } | |
2240 | free (overlay_vec); | |
2241 | /* If no overlay applies, get a text property. */ | |
2242 | if (NILP (overlay)) | |
2243 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
2244 | ||
2245 | /* Handle the overlay case. */ | |
2246 | if (! NILP (overlay)) | |
2247 | { | |
2248 | /* Find the range of text around this char that | |
2249 | should be active. */ | |
2250 | Lisp_Object before, after; | |
2251 | int ignore; | |
2252 | ||
2253 | before = Foverlay_start (overlay); | |
2254 | after = Foverlay_end (overlay); | |
2255 | /* Record this as the current active region. */ | |
4d73d038 RS |
2256 | fast_find_position (window, before, &mouse_face_beg_col, |
2257 | &mouse_face_beg_row); | |
2258 | mouse_face_past_end | |
2259 | = !fast_find_position (window, after, &mouse_face_end_col, | |
2260 | &mouse_face_end_row); | |
b8009dd1 RS |
2261 | mouse_face_window = window; |
2262 | mouse_face_face_id = compute_char_face (f, w, pos, 0, 0, | |
2263 | &ignore, pos + 1, 1); | |
2264 | ||
2265 | /* Display it as active. */ | |
2266 | show_mouse_face (1); | |
2267 | } | |
2268 | /* Handle the text property case. */ | |
2269 | else if (! NILP (mouse_face)) | |
2270 | { | |
2271 | /* Find the range of text around this char that | |
2272 | should be active. */ | |
2273 | Lisp_Object before, after, beginning, end; | |
2274 | int ignore; | |
2275 | ||
2276 | beginning = Fmarker_position (w->start); | |
2277 | XSET (end, Lisp_Int, | |
09fe4c31 | 2278 | (BUF_Z (XBUFFER (w->buffer)) |
b8009dd1 RS |
2279 | - XFASTINT (w->window_end_pos))); |
2280 | before | |
2281 | = Fprevious_single_property_change (make_number (pos + 1), | |
2282 | Qmouse_face, | |
2283 | w->buffer, beginning); | |
2284 | after | |
2285 | = Fnext_single_property_change (position, Qmouse_face, | |
2286 | w->buffer, end); | |
2287 | /* Record this as the current active region. */ | |
4d73d038 RS |
2288 | fast_find_position (window, before, &mouse_face_beg_col, |
2289 | &mouse_face_beg_row); | |
2290 | mouse_face_past_end | |
2291 | = !fast_find_position (window, after, &mouse_face_end_col, | |
2292 | &mouse_face_end_row); | |
b8009dd1 RS |
2293 | mouse_face_window = window; |
2294 | mouse_face_face_id | |
2295 | = compute_char_face (f, w, pos, 0, 0, | |
2296 | &ignore, pos + 1, 1); | |
2297 | ||
2298 | /* Display it as active. */ | |
2299 | show_mouse_face (1); | |
2300 | } | |
e444162e RS |
2301 | BEGV = obegv; |
2302 | ZV = ozv; | |
09fe4c31 | 2303 | current_buffer = obuf; |
b8009dd1 | 2304 | } |
b8009dd1 RS |
2305 | } |
2306 | } | |
2307 | \f | |
2308 | /* Find the row and column of position POS in window WINDOW. | |
2309 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2310 | This assumes display in WINDOW is up to date. |
2311 | If POS is above start of WINDOW, return coords | |
2312 | of start of first screen line. | |
4d73d038 RS |
2313 | If POS is after end of WINDOW, return coords of end of last screen line. |
2314 | ||
2315 | Value is 1 if POS is in range, 0 if it was off screen. */ | |
b8009dd1 RS |
2316 | |
2317 | static int | |
2318 | fast_find_position (window, pos, columnp, rowp) | |
2319 | Lisp_Object window; | |
2320 | int pos; | |
2321 | int *columnp, *rowp; | |
2322 | { | |
2323 | struct window *w = XWINDOW (window); | |
2324 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2325 | int i; | |
4d73d038 | 2326 | int row = 0; |
b8009dd1 RS |
2327 | int left = w->left; |
2328 | int top = w->top; | |
2329 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2330 | int width = window_internal_width (w); | |
2331 | int *charstarts; | |
bf1c0ba1 | 2332 | int lastcol; |
b8009dd1 | 2333 | |
4d73d038 | 2334 | /* Find the right row. */ |
b8009dd1 RS |
2335 | for (i = 0; |
2336 | i < height; | |
2337 | i++) | |
2338 | { | |
2339 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2340 | if (linestart > pos) | |
2341 | break; | |
2342 | if (linestart > 0) | |
2343 | row = i; | |
2344 | } | |
2345 | ||
4d73d038 | 2346 | /* Find the right column with in it. */ |
b8009dd1 | 2347 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; |
bf1c0ba1 | 2348 | lastcol = left; |
b8009dd1 | 2349 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2350 | { |
2351 | if (charstarts[left + i] == pos) | |
2352 | { | |
2353 | *rowp = row + top; | |
2354 | *columnp = i + left; | |
2355 | return 1; | |
2356 | } | |
2357 | else if (charstarts[left + i] > pos) | |
4d73d038 RS |
2358 | break; |
2359 | else if (charstarts[left + i] > 0) | |
bf1c0ba1 RS |
2360 | lastcol = left + i; |
2361 | } | |
b8009dd1 | 2362 | |
bf1c0ba1 RS |
2363 | *rowp = row + top; |
2364 | *columnp = lastcol; | |
b8009dd1 RS |
2365 | return 0; |
2366 | } | |
2367 | ||
2368 | /* Display the active region described by mouse_face_* | |
2369 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2370 | ||
2371 | static void | |
2372 | show_mouse_face (hl) | |
2373 | int hl; | |
2374 | { | |
b8009dd1 RS |
2375 | struct window *w = XWINDOW (mouse_face_window); |
2376 | int width = window_internal_width (w); | |
2377 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2378 | int i; | |
514e4681 RS |
2379 | int curs_x = f->phys_cursor_x; |
2380 | int curs_y = f->phys_cursor_y; | |
2381 | int cursor_off = 0; | |
b8009dd1 | 2382 | |
3b506386 | 2383 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) |
b8009dd1 | 2384 | { |
3b506386 KH |
2385 | int column = (i == mouse_face_beg_row ? mouse_face_beg_col : w->left); |
2386 | int endcolumn = (i == mouse_face_end_row ? mouse_face_end_col : w->left + width); | |
514e4681 RS |
2387 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i] - w->left); |
2388 | ||
2389 | /* If the cursor's in the text we are about to rewrite, | |
2390 | turn the cursor off. */ | |
2391 | if (i == curs_y | |
3b506386 | 2392 | && curs_x >= mouse_face_beg_col - 1 && curs_x <= mouse_face_end_col) |
514e4681 RS |
2393 | { |
2394 | x_display_cursor (f, 0); | |
2395 | cursor_off = 1; | |
2396 | } | |
b8009dd1 RS |
2397 | |
2398 | dumpglyphs (f, | |
2399 | CHAR_TO_PIXEL_COL (f, column), | |
2400 | CHAR_TO_PIXEL_ROW (f, i), | |
2401 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2402 | endcolumn - column, | |
2403 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2404 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2405 | } |
2406 | ||
514e4681 RS |
2407 | /* If we turned the cursor off, turn it back on. */ |
2408 | if (cursor_off) | |
2409 | x_display_cursor (f, 1); | |
27ead1d5 FP |
2410 | |
2411 | /* Change the mouse cursor according to the value of HL. */ | |
2412 | if (hl > 0) | |
2413 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->cross_cursor); | |
2414 | else | |
2415 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->text_cursor); | |
b8009dd1 RS |
2416 | } |
2417 | ||
2418 | /* Clear out the mouse-highlighted active region. | |
2419 | Redraw it unhighlighted first. */ | |
2420 | ||
2421 | static void | |
2422 | clear_mouse_face () | |
2423 | { | |
2424 | if (! NILP (mouse_face_window)) | |
2425 | show_mouse_face (0); | |
2426 | ||
3b506386 KH |
2427 | mouse_face_beg_row = mouse_face_beg_col = -1; |
2428 | mouse_face_end_row = mouse_face_end_col = -1; | |
b8009dd1 RS |
2429 | mouse_face_window = Qnil; |
2430 | } | |
2431 | \f | |
ab648270 JB |
2432 | static struct scroll_bar *x_window_to_scroll_bar (); |
2433 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2434 | |
90e65f07 JB |
2435 | /* Return the current position of the mouse. |
2436 | ||
ab648270 JB |
2437 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
2438 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 2439 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2440 | position on the scroll bar. |
12ba150f JB |
2441 | |
2442 | If the mouse movement started elsewhere, set *f to the frame the | |
2443 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2444 | the mouse is over. | |
2445 | ||
2446 | Set *time to the server timestamp for the time at which the mouse | |
2447 | was at this position. | |
2448 | ||
a135645a RS |
2449 | Don't store anything if we don't have a valid set of values to report. |
2450 | ||
90e65f07 | 2451 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2452 | movement. This also calls XQueryPointer, which will cause the |
2453 | server to give us another MotionNotify when the mouse moves | |
2454 | again. */ | |
90e65f07 JB |
2455 | |
2456 | static void | |
12ba150f | 2457 | XTmouse_position (f, bar_window, part, x, y, time) |
472895ad | 2458 | FRAME_PTR *f; |
12ba150f | 2459 | Lisp_Object *bar_window; |
ab648270 | 2460 | enum scroll_bar_part *part; |
90e65f07 | 2461 | Lisp_Object *x, *y; |
e5d77022 | 2462 | unsigned long *time; |
90e65f07 | 2463 | { |
a135645a RS |
2464 | FRAME_PTR f1; |
2465 | ||
90e65f07 JB |
2466 | BLOCK_INPUT; |
2467 | ||
ab648270 JB |
2468 | if (! NILP (last_mouse_scroll_bar)) |
2469 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
2470 | else |
2471 | { | |
12ba150f JB |
2472 | Window root; |
2473 | int root_x, root_y; | |
90e65f07 | 2474 | |
12ba150f JB |
2475 | Window dummy_window; |
2476 | int dummy; | |
2477 | ||
2478 | mouse_moved = 0; | |
ab648270 | 2479 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2480 | |
2481 | /* Figure out which root window we're on. */ | |
2482 | XQueryPointer (x_current_display, | |
2483 | DefaultRootWindow (x_current_display), | |
2484 | ||
2485 | /* The root window which contains the pointer. */ | |
2486 | &root, | |
2487 | ||
2488 | /* Trash which we can't trust if the pointer is on | |
2489 | a different screen. */ | |
2490 | &dummy_window, | |
2491 | ||
2492 | /* The position on that root window. */ | |
2493 | &root_x, &root_y, | |
2494 | ||
2495 | /* More trash we can't trust. */ | |
2496 | &dummy, &dummy, | |
2497 | ||
2498 | /* Modifier keys and pointer buttons, about which | |
2499 | we don't care. */ | |
2500 | (unsigned int *) &dummy); | |
2501 | ||
2502 | /* Now we have a position on the root; find the innermost window | |
2503 | containing the pointer. */ | |
2504 | { | |
2505 | Window win, child; | |
2506 | int win_x, win_y; | |
2507 | int parent_x, parent_y; | |
2508 | ||
2509 | win = root; | |
69388238 | 2510 | |
06ef4a3f | 2511 | if (x_mouse_grabbed && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 2512 | { |
69388238 RS |
2513 | /* If mouse was grabbed on a frame, give coords for that frame |
2514 | even if the mouse is now outside it. */ | |
12ba150f | 2515 | XTranslateCoordinates (x_current_display, |
69388238 | 2516 | |
12ba150f | 2517 | /* From-window, to-window. */ |
69388238 | 2518 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2519 | |
2520 | /* From-position, to-position. */ | |
2521 | root_x, root_y, &win_x, &win_y, | |
2522 | ||
2523 | /* Child of win. */ | |
2524 | &child); | |
69388238 RS |
2525 | f1 = last_mouse_frame; |
2526 | } | |
2527 | else | |
2528 | { | |
2529 | while (1) | |
2530 | { | |
2531 | XTranslateCoordinates (x_current_display, | |
12ba150f | 2532 | |
69388238 RS |
2533 | /* From-window, to-window. */ |
2534 | root, win, | |
12ba150f | 2535 | |
69388238 RS |
2536 | /* From-position, to-position. */ |
2537 | root_x, root_y, &win_x, &win_y, | |
2538 | ||
2539 | /* Child of win. */ | |
2540 | &child); | |
2541 | ||
2542 | if (child == None) | |
2543 | break; | |
2544 | ||
2545 | win = child; | |
2546 | parent_x = win_x; | |
2547 | parent_y = win_y; | |
2548 | } | |
12ba150f | 2549 | |
69388238 RS |
2550 | /* Now we know that: |
2551 | win is the innermost window containing the pointer | |
2552 | (XTC says it has no child containing the pointer), | |
2553 | win_x and win_y are the pointer's position in it | |
2554 | (XTC did this the last time through), and | |
2555 | parent_x and parent_y are the pointer's position in win's parent. | |
2556 | (They are what win_x and win_y were when win was child. | |
2557 | If win is the root window, it has no parent, and | |
2558 | parent_{x,y} are invalid, but that's okay, because we'll | |
2559 | never use them in that case.) */ | |
2560 | ||
2561 | /* Is win one of our frames? */ | |
2b5c9e71 | 2562 | f1 = x_any_window_to_frame (win); |
69388238 | 2563 | } |
12ba150f | 2564 | |
ab648270 | 2565 | /* If not, is it one of our scroll bars? */ |
a135645a | 2566 | if (! f1) |
12ba150f | 2567 | { |
ab648270 | 2568 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2569 | |
2570 | if (bar) | |
2571 | { | |
a135645a | 2572 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2573 | win_x = parent_x; |
2574 | win_y = parent_y; | |
2575 | } | |
2576 | } | |
90e65f07 | 2577 | |
a135645a | 2578 | if (f1) |
12ba150f | 2579 | { |
2b5c9e71 RS |
2580 | int ignore1, ignore2; |
2581 | ||
2582 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2583 | |
2b5c9e71 | 2584 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
69388238 | 2585 | &last_mouse_glyph, x_mouse_grabbed); |
12ba150f JB |
2586 | |
2587 | *bar_window = Qnil; | |
2588 | *part = 0; | |
a135645a | 2589 | *f = f1; |
12ba150f JB |
2590 | XSET (*x, Lisp_Int, win_x); |
2591 | XSET (*y, Lisp_Int, win_y); | |
2592 | *time = last_mouse_movement_time; | |
2593 | } | |
2594 | } | |
2595 | } | |
90e65f07 JB |
2596 | |
2597 | UNBLOCK_INPUT; | |
2598 | } | |
2599 | ||
c118dd06 | 2600 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2601 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
2602 | #endif /* ! defined (HAVE_X11) */ |
2603 | \f | |
ab648270 | 2604 | /* Scroll bar support. */ |
f451eb13 | 2605 | |
ab648270 JB |
2606 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2607 | This can be called in GC, so we have to make sure to strip off mark | |
2608 | bits. */ | |
2609 | static struct scroll_bar * | |
2610 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2611 | Window window_id; |
2612 | { | |
2613 | Lisp_Object tail, frame; | |
f451eb13 | 2614 | |
ab648270 JB |
2615 | for (tail = Vframe_list; |
2616 | XGCTYPE (tail) == Lisp_Cons; | |
2617 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2618 | { |
abdda982 | 2619 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2620 | |
abdda982 | 2621 | frame = XCONS (tail)->car; |
f451eb13 | 2622 | /* All elements of Vframe_list should be frames. */ |
ab648270 | 2623 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
2624 | abort (); |
2625 | ||
ab648270 | 2626 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2627 | right window ID. */ |
ab648270 JB |
2628 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2629 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2630 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2631 | condemned scroll bar lists with one loop. */ |
2632 | ! GC_NILP (bar) || (bar = condemned, | |
2633 | condemned = Qnil, | |
2634 | ! GC_NILP (bar)); | |
bc20ebbf | 2635 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2636 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2637 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2638 | } |
2639 | ||
2640 | return 0; | |
2641 | } | |
2642 | ||
ab648270 JB |
2643 | /* Open a new X window to serve as a scroll bar, and return the |
2644 | scroll bar vector for it. */ | |
2645 | static struct scroll_bar * | |
2646 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2647 | struct window *window; |
f451eb13 JB |
2648 | int top, left, width, height; |
2649 | { | |
12ba150f | 2650 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
2651 | struct scroll_bar *bar = |
2652 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2653 | |
2654 | BLOCK_INPUT; | |
2655 | ||
2656 | { | |
2657 | XSetWindowAttributes a; | |
2658 | unsigned long mask; | |
12ba150f JB |
2659 | a.background_pixel = frame->display.x->background_pixel; |
2660 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 2661 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2662 | | ExposureMask); |
ab648270 | 2663 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 2664 | |
dbc4e1c1 | 2665 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2666 | |
3afe33e7 RS |
2667 | #if 0 |
2668 | ||
2669 | ac = 0; | |
2670 | XtSetArg (al[ac], XtNx, left); ac++; | |
2671 | XtSetArg (al[ac], XtNy, top); ac++; | |
2672 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2673 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2674 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2675 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 KH |
2676 | boxWidgetClass, |
2677 | frame->display.x->edit_widget, al, ac); | |
2678 | SET_SCROLL_BAR_X_WINDOW | |
3afe33e7 RS |
2679 | (bar, sb_widget->core.window); |
2680 | #endif | |
7246d1d3 | 2681 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
2682 | (bar, |
2683 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 2684 | |
ab648270 | 2685 | /* Position and size of scroll bar. */ |
12ba150f | 2686 | left, top, width, height, |
f451eb13 | 2687 | |
12ba150f JB |
2688 | /* Border width, depth, class, and visual. */ |
2689 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2690 | |
12ba150f JB |
2691 | /* Attributes. */ |
2692 | mask, &a)); | |
f451eb13 JB |
2693 | } |
2694 | ||
12ba150f JB |
2695 | XSET (bar->window, Lisp_Window, window); |
2696 | XSET (bar->top, Lisp_Int, top); | |
2697 | XSET (bar->left, Lisp_Int, left); | |
2698 | XSET (bar->width, Lisp_Int, width); | |
2699 | XSET (bar->height, Lisp_Int, height); | |
2700 | XSET (bar->start, Lisp_Int, 0); | |
2701 | XSET (bar->end, Lisp_Int, 0); | |
2702 | bar->dragging = Qnil; | |
f451eb13 JB |
2703 | |
2704 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 2705 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 2706 | bar->prev = Qnil; |
ab648270 | 2707 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 2708 | if (! NILP (bar->next)) |
ab648270 | 2709 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 2710 | |
ab648270 | 2711 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2712 | |
2713 | UNBLOCK_INPUT; | |
12ba150f JB |
2714 | |
2715 | return bar; | |
f451eb13 JB |
2716 | } |
2717 | ||
12ba150f JB |
2718 | /* Draw BAR's handle in the proper position. |
2719 | If the handle is already drawn from START to END, don't bother | |
2720 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2721 | redraw it. (REBUILD is handy for drawing the handle after expose | |
2722 | events.) | |
2723 | ||
2724 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2725 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2726 | handle, we want to let them drag it down all the way, so that the |
2727 | bar's top is as far down as it goes; otherwise, there's no way to | |
2728 | move to the very end of the buffer. */ | |
f451eb13 | 2729 | static void |
ab648270 JB |
2730 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2731 | struct scroll_bar *bar; | |
f451eb13 | 2732 | int start, end; |
12ba150f | 2733 | int rebuild; |
f451eb13 | 2734 | { |
12ba150f | 2735 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2736 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2737 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2738 | ||
2739 | /* If the display is already accurate, do nothing. */ | |
2740 | if (! rebuild | |
2741 | && start == XINT (bar->start) | |
2742 | && end == XINT (bar->end)) | |
2743 | return; | |
2744 | ||
f451eb13 JB |
2745 | BLOCK_INPUT; |
2746 | ||
2747 | { | |
ab648270 JB |
2748 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2749 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2750 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2751 | |
2752 | /* Make sure the values are reasonable, and try to preserve | |
2753 | the distance between start and end. */ | |
12ba150f JB |
2754 | { |
2755 | int length = end - start; | |
2756 | ||
2757 | if (start < 0) | |
2758 | start = 0; | |
2759 | else if (start > top_range) | |
2760 | start = top_range; | |
2761 | end = start + length; | |
2762 | ||
2763 | if (end < start) | |
2764 | end = start; | |
2765 | else if (end > top_range && ! dragging) | |
2766 | end = top_range; | |
2767 | } | |
f451eb13 | 2768 | |
ab648270 | 2769 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
2770 | XSET (bar->start, Lisp_Int, start); |
2771 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 2772 | |
12ba150f JB |
2773 | /* Clip the end position, just for display. */ |
2774 | if (end > top_range) | |
2775 | end = top_range; | |
f451eb13 | 2776 | |
ab648270 | 2777 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2778 | below top positions, to make sure the handle is always at least |
2779 | that many pixels tall. */ | |
ab648270 | 2780 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2781 | |
12ba150f JB |
2782 | /* Draw the empty space above the handle. Note that we can't clear |
2783 | zero-height areas; that means "clear to end of window." */ | |
2784 | if (0 < start) | |
2785 | XClearArea (x_current_display, w, | |
f451eb13 | 2786 | |
12ba150f | 2787 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2788 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2789 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2790 | inside_width, start, |
2791 | False); | |
f451eb13 | 2792 | |
12ba150f JB |
2793 | /* Draw the handle itself. */ |
2794 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2795 | |
12ba150f | 2796 | /* x, y, width, height */ |
ab648270 JB |
2797 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2798 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2799 | inside_width, end - start); |
f451eb13 | 2800 | |
f451eb13 | 2801 | |
12ba150f JB |
2802 | /* Draw the empty space below the handle. Note that we can't |
2803 | clear zero-height areas; that means "clear to end of window." */ | |
2804 | if (end < inside_height) | |
2805 | XClearArea (x_current_display, w, | |
f451eb13 | 2806 | |
12ba150f | 2807 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2808 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2809 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2810 | inside_width, inside_height - end, |
2811 | False); | |
f451eb13 | 2812 | |
f451eb13 JB |
2813 | } |
2814 | ||
f451eb13 JB |
2815 | UNBLOCK_INPUT; |
2816 | } | |
2817 | ||
eb8c3be9 | 2818 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2819 | window configurations. */ |
f451eb13 | 2820 | static void |
ab648270 JB |
2821 | x_scroll_bar_move (bar, top, left, width, height) |
2822 | struct scroll_bar *bar; | |
f451eb13 JB |
2823 | int top, left, width, height; |
2824 | { | |
2825 | BLOCK_INPUT; | |
2826 | ||
2827 | { | |
2828 | XWindowChanges wc; | |
2829 | unsigned int mask = 0; | |
2830 | ||
2831 | wc.x = left; | |
2832 | wc.y = top; | |
2833 | wc.width = width; | |
2834 | wc.height = height; | |
2835 | ||
12ba150f JB |
2836 | if (left != XINT (bar->left)) mask |= CWX; |
2837 | if (top != XINT (bar->top)) mask |= CWY; | |
2838 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2839 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2840 | ||
2841 | if (mask) | |
ab648270 | 2842 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2843 | mask, &wc); |
f451eb13 JB |
2844 | } |
2845 | ||
12ba150f JB |
2846 | XSET (bar->left, Lisp_Int, left); |
2847 | XSET (bar->top, Lisp_Int, top); | |
2848 | XSET (bar->width, Lisp_Int, width); | |
2849 | XSET (bar->height, Lisp_Int, height); | |
2850 | ||
f451eb13 JB |
2851 | UNBLOCK_INPUT; |
2852 | } | |
2853 | ||
ab648270 | 2854 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2855 | to nil. */ |
2856 | static void | |
ab648270 JB |
2857 | x_scroll_bar_remove (bar) |
2858 | struct scroll_bar *bar; | |
12ba150f JB |
2859 | { |
2860 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2861 | ||
2862 | BLOCK_INPUT; | |
2863 | ||
2864 | /* Destroy the window. */ | |
ab648270 | 2865 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2866 | |
ab648270 JB |
2867 | /* Disassociate this scroll bar from its window. */ |
2868 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2869 | |
2870 | UNBLOCK_INPUT; | |
2871 | } | |
2872 | ||
2873 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2874 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2875 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2876 | create one. */ |
2877 | static void | |
ab648270 | 2878 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2879 | struct window *window; |
2880 | int portion, whole, position; | |
2881 | { | |
2882 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2883 | int top = XINT (window->top); |
ab648270 JB |
2884 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2885 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2886 | |
ab648270 | 2887 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2888 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2889 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2890 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2891 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2892 | |
ab648270 | 2893 | struct scroll_bar *bar; |
12ba150f | 2894 | |
ab648270 JB |
2895 | /* Does the scroll bar exist yet? */ |
2896 | if (NILP (window->vertical_scroll_bar)) | |
2897 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2898 | pixel_top, pixel_left, |
2899 | pixel_width, pixel_height); | |
2900 | else | |
12ba150f JB |
2901 | { |
2902 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2903 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2904 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2905 | } |
f451eb13 | 2906 | |
ab648270 | 2907 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2908 | dragged. */ |
12ba150f | 2909 | if (NILP (bar->dragging)) |
f451eb13 | 2910 | { |
12ba150f | 2911 | int top_range = |
ab648270 | 2912 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2913 | |
12ba150f | 2914 | if (whole == 0) |
ab648270 | 2915 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2916 | else |
2917 | { | |
43f868f5 JB |
2918 | int start = ((double) position * top_range) / whole; |
2919 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2920 | |
ab648270 | 2921 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2922 | } |
f451eb13 JB |
2923 | } |
2924 | ||
ab648270 | 2925 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2926 | } |
2927 | ||
12ba150f | 2928 | |
f451eb13 | 2929 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2930 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2931 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2932 | away is a real pain - "Can you say set-window-configuration, boys |
2933 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2934 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2935 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2936 | |
ab648270 JB |
2937 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2938 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2939 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2940 | static void |
ab648270 | 2941 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2942 | FRAME_PTR frame; |
2943 | { | |
12ba150f JB |
2944 | /* The condemned list should be empty at this point; if it's not, |
2945 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2946 | protocol correctly. */ | |
ab648270 | 2947 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2948 | abort (); |
2949 | ||
2950 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2951 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2952 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2953 | } |
2954 | ||
ab648270 | 2955 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2956 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2957 | static void |
ab648270 | 2958 | XTredeem_scroll_bar (window) |
12ba150f | 2959 | struct window *window; |
f451eb13 | 2960 | { |
ab648270 | 2961 | struct scroll_bar *bar; |
12ba150f | 2962 | |
ab648270 JB |
2963 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2964 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2965 | abort (); |
2966 | ||
ab648270 | 2967 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2968 | |
2969 | /* Unlink it from the condemned list. */ | |
2970 | { | |
2971 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2972 | ||
2973 | if (NILP (bar->prev)) | |
2974 | { | |
2975 | /* If the prev pointer is nil, it must be the first in one of | |
2976 | the lists. */ | |
ab648270 | 2977 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2978 | /* It's not condemned. Everything's fine. */ |
2979 | return; | |
ab648270 JB |
2980 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2981 | window->vertical_scroll_bar)) | |
2982 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2983 | else |
2984 | /* If its prev pointer is nil, it must be at the front of | |
2985 | one or the other! */ | |
2986 | abort (); | |
2987 | } | |
2988 | else | |
ab648270 | 2989 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2990 | |
2991 | if (! NILP (bar->next)) | |
ab648270 | 2992 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2993 | |
ab648270 | 2994 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2995 | bar->prev = Qnil; |
ab648270 | 2996 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2997 | if (! NILP (bar->next)) |
ab648270 | 2998 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2999 | } |
f451eb13 JB |
3000 | } |
3001 | ||
ab648270 JB |
3002 | /* Remove all scroll bars on FRAME that haven't been saved since the |
3003 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 3004 | static void |
ab648270 | 3005 | XTjudge_scroll_bars (f) |
12ba150f | 3006 | FRAME_PTR f; |
f451eb13 | 3007 | { |
12ba150f | 3008 | Lisp_Object bar, next; |
f451eb13 | 3009 | |
ab648270 | 3010 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
3011 | |
3012 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
3013 | more events on the hapless scroll bars. */ |
3014 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
3015 | |
3016 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 3017 | { |
ab648270 | 3018 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 3019 | |
ab648270 | 3020 | x_scroll_bar_remove (b); |
12ba150f JB |
3021 | |
3022 | next = b->next; | |
3023 | b->next = b->prev = Qnil; | |
f451eb13 | 3024 | } |
12ba150f | 3025 | |
ab648270 | 3026 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 3027 | and they should get garbage-collected. */ |
f451eb13 JB |
3028 | } |
3029 | ||
3030 | ||
ab648270 JB |
3031 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
3032 | ||
3033 | This may be called from a signal handler, so we have to ignore GC | |
3034 | mark bits. */ | |
f451eb13 | 3035 | static void |
ab648270 JB |
3036 | x_scroll_bar_expose (bar, event) |
3037 | struct scroll_bar *bar; | |
f451eb13 JB |
3038 | XEvent *event; |
3039 | { | |
ab648270 | 3040 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
3041 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
3042 | ||
f451eb13 JB |
3043 | BLOCK_INPUT; |
3044 | ||
ab648270 | 3045 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 3046 | |
ab648270 | 3047 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 3048 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
3049 | |
3050 | /* x, y, width, height */ | |
12ba150f | 3051 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 3052 | |
f451eb13 JB |
3053 | UNBLOCK_INPUT; |
3054 | } | |
3055 | ||
ab648270 JB |
3056 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
3057 | is set to something other than no_event, it is enqueued. | |
3058 | ||
3059 | This may be called from a signal handler, so we have to ignore GC | |
3060 | mark bits. */ | |
f451eb13 | 3061 | static void |
ab648270 JB |
3062 | x_scroll_bar_handle_click (bar, event, emacs_event) |
3063 | struct scroll_bar *bar; | |
f451eb13 JB |
3064 | XEvent *event; |
3065 | struct input_event *emacs_event; | |
3066 | { | |
ab648270 | 3067 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
3068 | abort (); |
3069 | ||
ab648270 | 3070 | emacs_event->kind = scroll_bar_click; |
69388238 | 3071 | emacs_event->code = event->xbutton.button - Button1; |
f451eb13 | 3072 | emacs_event->modifiers = |
dfeccd2d | 3073 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
3074 | | (event->type == ButtonRelease |
3075 | ? up_modifier | |
3076 | : down_modifier)); | |
12ba150f | 3077 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 3078 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
3079 | { |
3080 | int internal_height = | |
ab648270 | 3081 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 3082 | int top_range = |
ab648270 JB |
3083 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
3084 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
3085 | |
3086 | if (y < 0) y = 0; | |
3087 | if (y > top_range) y = top_range; | |
3088 | ||
3089 | if (y < XINT (bar->start)) | |
ab648270 JB |
3090 | emacs_event->part = scroll_bar_above_handle; |
3091 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3092 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 3093 | else |
ab648270 | 3094 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
3095 | |
3096 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
3097 | they want to drag it. Lisp code needs to be able to decide |
3098 | whether or not we're dragging. */ | |
929787e1 | 3099 | #if 0 |
12ba150f JB |
3100 | /* If the user has just clicked on the handle, record where they're |
3101 | holding it. */ | |
3102 | if (event->type == ButtonPress | |
ab648270 | 3103 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 3104 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 3105 | #endif |
12ba150f JB |
3106 | |
3107 | /* If the user has released the handle, set it to its final position. */ | |
3108 | if (event->type == ButtonRelease | |
3109 | && ! NILP (bar->dragging)) | |
3110 | { | |
3111 | int new_start = y - XINT (bar->dragging); | |
3112 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 3113 | |
ab648270 | 3114 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
3115 | bar->dragging = Qnil; |
3116 | } | |
f451eb13 | 3117 | |
5116f055 JB |
3118 | /* Same deal here as the other #if 0. */ |
3119 | #if 0 | |
eb8c3be9 | 3120 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 3121 | the handle. */ |
ab648270 | 3122 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
3123 | emacs_event->x = bar->start; |
3124 | else | |
3125 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
3126 | #else |
3127 | XSET (emacs_event->x, Lisp_Int, y); | |
3128 | #endif | |
f451eb13 | 3129 | |
12ba150f JB |
3130 | XSET (emacs_event->y, Lisp_Int, top_range); |
3131 | } | |
3132 | } | |
f451eb13 | 3133 | |
ab648270 JB |
3134 | /* Handle some mouse motion while someone is dragging the scroll bar. |
3135 | ||
3136 | This may be called from a signal handler, so we have to ignore GC | |
3137 | mark bits. */ | |
f451eb13 | 3138 | static void |
ab648270 JB |
3139 | x_scroll_bar_note_movement (bar, event) |
3140 | struct scroll_bar *bar; | |
f451eb13 JB |
3141 | XEvent *event; |
3142 | { | |
3143 | last_mouse_movement_time = event->xmotion.time; | |
3144 | ||
3145 | mouse_moved = 1; | |
ab648270 | 3146 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
3147 | |
3148 | /* If we're dragging the bar, display it. */ | |
ab648270 | 3149 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
3150 | { |
3151 | /* Where should the handle be now? */ | |
12ba150f | 3152 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 3153 | |
12ba150f | 3154 | if (new_start != XINT (bar->start)) |
f451eb13 | 3155 | { |
12ba150f | 3156 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 3157 | |
ab648270 | 3158 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
3159 | } |
3160 | } | |
3161 | ||
3162 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
3163 | moves and we can see *still* on the same position. */ | |
3164 | { | |
3165 | int dummy; | |
3166 | ||
3167 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
3168 | (Window *) &dummy, (Window *) &dummy, | |
3169 | &dummy, &dummy, &dummy, &dummy, | |
3170 | (unsigned int *) &dummy); | |
3171 | } | |
3172 | } | |
3173 | ||
12ba150f | 3174 | /* Return information to the user about the current position of the mouse |
ab648270 | 3175 | on the scroll bar. */ |
12ba150f | 3176 | static void |
ab648270 | 3177 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
3178 | FRAME_PTR *f; |
3179 | Lisp_Object *bar_window; | |
ab648270 | 3180 | enum scroll_bar_part *part; |
12ba150f JB |
3181 | Lisp_Object *x, *y; |
3182 | unsigned long *time; | |
3183 | { | |
ab648270 | 3184 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 3185 | int win_x, win_y; |
559cb2fb JB |
3186 | Window dummy_window; |
3187 | int dummy_coord; | |
3188 | unsigned int dummy_mask; | |
12ba150f | 3189 | |
cf7cb199 JB |
3190 | BLOCK_INPUT; |
3191 | ||
ab648270 | 3192 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 3193 | report that. */ |
559cb2fb JB |
3194 | if (! XQueryPointer (x_current_display, |
3195 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 3196 | |
559cb2fb JB |
3197 | /* Root, child, root x and root y. */ |
3198 | &dummy_window, &dummy_window, | |
3199 | &dummy_coord, &dummy_coord, | |
12ba150f | 3200 | |
559cb2fb JB |
3201 | /* Position relative to scroll bar. */ |
3202 | &win_x, &win_y, | |
12ba150f | 3203 | |
559cb2fb JB |
3204 | /* Mouse buttons and modifier keys. */ |
3205 | &dummy_mask)) | |
3206 | *f = 0; | |
3207 | else | |
3208 | { | |
3209 | int inside_height | |
3210 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
3211 | int top_range | |
3212 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
3213 | ||
3214 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
3215 | ||
3216 | if (! NILP (bar->dragging)) | |
3217 | win_y -= XINT (bar->dragging); | |
3218 | ||
3219 | if (win_y < 0) | |
3220 | win_y = 0; | |
3221 | if (win_y > top_range) | |
3222 | win_y = top_range; | |
3223 | ||
3224 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
3225 | *bar_window = bar->window; | |
3226 | ||
3227 | if (! NILP (bar->dragging)) | |
3228 | *part = scroll_bar_handle; | |
3229 | else if (win_y < XINT (bar->start)) | |
3230 | *part = scroll_bar_above_handle; | |
3231 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3232 | *part = scroll_bar_handle; | |
3233 | else | |
3234 | *part = scroll_bar_below_handle; | |
12ba150f | 3235 | |
559cb2fb JB |
3236 | XSET (*x, Lisp_Int, win_y); |
3237 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 3238 | |
559cb2fb JB |
3239 | mouse_moved = 0; |
3240 | last_mouse_scroll_bar = Qnil; | |
3241 | } | |
12ba150f | 3242 | |
559cb2fb | 3243 | *time = last_mouse_movement_time; |
cf7cb199 | 3244 | |
cf7cb199 | 3245 | UNBLOCK_INPUT; |
12ba150f JB |
3246 | } |
3247 | ||
f451eb13 | 3248 | |
dbc4e1c1 | 3249 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
3250 | background colors, and the scroll bars may need to be redrawn. |
3251 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
3252 | redraw them. */ |
3253 | ||
ab648270 | 3254 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
3255 | FRAME_PTR f; |
3256 | { | |
3257 | Lisp_Object bar; | |
3258 | ||
ab648270 | 3259 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 3260 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
3261 | bar = XSCROLL_BAR (bar)->next) |
3262 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
3263 | 0, 0, 0, 0, True); |
3264 | } | |
3265 | ||
3afe33e7 RS |
3266 | /* This processes Expose events from the menubar specific X event |
3267 | loop in menubar.c. This allows to redisplay the frame if necessary | |
3268 | when handling menubar or popup items. */ | |
3269 | ||
3270 | void | |
3271 | process_expose_from_menu (event) | |
3272 | XEvent event; | |
3273 | { | |
3274 | FRAME_PTR f; | |
3275 | ||
f94397b5 KH |
3276 | BLOCK_INPUT; |
3277 | ||
3afe33e7 RS |
3278 | f = x_window_to_frame (event.xexpose.window); |
3279 | if (f) | |
3280 | { | |
3281 | if (f->async_visible == 0) | |
3282 | { | |
3283 | f->async_visible = 1; | |
3284 | f->async_iconified = 0; | |
3285 | SET_FRAME_GARBAGED (f); | |
3286 | } | |
3287 | else | |
3288 | { | |
3289 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3290 | event.xexpose.x, event.xexpose.y, | |
3291 | event.xexpose.width, event.xexpose.height); | |
3292 | } | |
3293 | } | |
3294 | else | |
3295 | { | |
3296 | struct scroll_bar *bar | |
3297 | = x_window_to_scroll_bar (event.xexpose.window); | |
3298 | ||
3299 | if (bar) | |
3300 | x_scroll_bar_expose (bar, &event); | |
3301 | } | |
f94397b5 KH |
3302 | |
3303 | UNBLOCK_INPUT; | |
3afe33e7 | 3304 | } |
dbc4e1c1 | 3305 | |
f451eb13 JB |
3306 | \f |
3307 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3308 | |
dc6f92b8 JB |
3309 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3310 | but we have to put it out here, since static variables within functions | |
3311 | sometimes don't work. */ | |
3312 | static Time enter_timestamp; | |
3313 | ||
11edeb03 JB |
3314 | /* This holds the state XLookupString needs to implement dead keys |
3315 | and other tricks known as "compose processing". _X Window System_ | |
3316 | says that a portable program can't use this, but Stephen Gildea assures | |
3317 | me that letting the compiler initialize it to zeros will work okay. | |
3318 | ||
3319 | This must be defined outside of XTread_socket, for the same reasons | |
3320 | given for enter_timestamp, above. */ | |
3321 | static XComposeStatus compose_status; | |
3322 | ||
c047688c JA |
3323 | /* Communication with window managers. */ |
3324 | Atom Xatom_wm_protocols; | |
3325 | ||
3326 | /* Kinds of protocol things we may receive. */ | |
3327 | Atom Xatom_wm_take_focus; | |
3328 | Atom Xatom_wm_save_yourself; | |
3329 | Atom Xatom_wm_delete_window; | |
3330 | ||
3331 | /* Other WM communication */ | |
3332 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
3333 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
3334 | ||
d56a553a RS |
3335 | /* Window manager communication. */ |
3336 | Atom Xatom_wm_change_state; | |
3337 | ||
c2df547c RS |
3338 | /* EditRes protocol */ |
3339 | Atom Xatom_editres_name; | |
3340 | ||
10e6549c RS |
3341 | /* Record the last 100 characters stored |
3342 | to help debug the loss-of-chars-during-GC problem. */ | |
3343 | int temp_index; | |
3344 | short temp_buffer[100]; | |
3345 | ||
dc6f92b8 JB |
3346 | /* Read events coming from the X server. |
3347 | This routine is called by the SIGIO handler. | |
3348 | We return as soon as there are no more events to be read. | |
3349 | ||
3350 | Events representing keys are stored in buffer BUFP, | |
3351 | which can hold up to NUMCHARS characters. | |
3352 | We return the number of characters stored into the buffer, | |
3353 | thus pretending to be `read'. | |
3354 | ||
3355 | WAITP is nonzero if we should block until input arrives. | |
3356 | EXPECTED is nonzero if the caller knows input is available. */ | |
3357 | ||
7c5283e4 | 3358 | int |
dc6f92b8 JB |
3359 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3360 | register int sd; | |
3361 | register struct input_event *bufp; | |
3362 | register int numchars; | |
3363 | int waitp; | |
3364 | int expected; | |
3365 | { | |
3366 | int count = 0; | |
3367 | int nbytes = 0; | |
3368 | int mask; | |
3369 | int items_pending; /* How many items are in the X queue. */ | |
3370 | XEvent event; | |
f676886a | 3371 | struct frame *f; |
66f55a9d | 3372 | int event_found = 0; |
dc6f92b8 JB |
3373 | int prefix; |
3374 | Lisp_Object part; | |
3375 | ||
9ac0d9e0 | 3376 | if (interrupt_input_blocked) |
dc6f92b8 | 3377 | { |
9ac0d9e0 | 3378 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3379 | return -1; |
3380 | } | |
3381 | ||
9ac0d9e0 | 3382 | interrupt_input_pending = 0; |
dc6f92b8 JB |
3383 | BLOCK_INPUT; |
3384 | ||
3385 | if (numchars <= 0) | |
3386 | abort (); /* Don't think this happens. */ | |
3387 | ||
3388 | #ifdef FIOSNBIO | |
3389 | /* If available, Xlib uses FIOSNBIO to make the socket | |
3390 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3391 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3392 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
3393 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 3394 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
3395 | |
3396 | #ifndef SIGIO | |
3397 | #ifndef HAVE_SELECT | |
3398 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
3399 | { | |
3400 | extern int read_alarm_should_throw; | |
3401 | read_alarm_should_throw = 1; | |
3402 | XPeekEvent (XDISPLAY &event); | |
3403 | read_alarm_should_throw = 0; | |
3404 | } | |
c118dd06 JB |
3405 | #endif /* HAVE_SELECT */ |
3406 | #endif /* SIGIO */ | |
dc6f92b8 JB |
3407 | |
3408 | while (XStuffPending () != 0) | |
3409 | { | |
3410 | XNextEvent (XDISPLAY &event); | |
3411 | event_found = 1; | |
3412 | ||
3413 | switch (event.type) | |
3414 | { | |
3415 | #ifdef HAVE_X11 | |
c047688c JA |
3416 | case ClientMessage: |
3417 | { | |
3418 | if (event.xclient.message_type == Xatom_wm_protocols | |
3419 | && event.xclient.format == 32) | |
3420 | { | |
3421 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
3422 | { | |
3afe33e7 | 3423 | f = x_window_to_frame (event.xclient.window); |
0a178815 RS |
3424 | /* Since we set WM_TAKE_FOCUS, we must call |
3425 | XSetInputFocus explicitly. But not if f is null, | |
3426 | since that might be an event for a deleted frame. */ | |
f676886a | 3427 | if (f) |
5627c40e RS |
3428 | XSetInputFocus (event.xclient.display, |
3429 | event.xclient.window, | |
3430 | RevertToPointerRoot, | |
3431 | event.xclient.data.l[1]); | |
ab648270 | 3432 | /* Not certain about handling scroll bars here */ |
c047688c JA |
3433 | } |
3434 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
3435 | { | |
3436 | /* Save state modify the WM_COMMAND property to | |
3437 | something which can reinstate us. This notifies | |
3438 | the session manager, who's looking for such a | |
3439 | PropertyNotify. Can restart processing when | |
3440 | a keyboard or mouse event arrives. */ | |
3441 | if (numchars > 0) | |
3442 | { | |
3443 | } | |
3444 | } | |
3445 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
3446 | { | |
82aebaf4 | 3447 | struct frame *f = x_any_window_to_frame (event.xclient.window); |
c047688c | 3448 | |
f676886a | 3449 | if (f) |
1fb20991 RS |
3450 | { |
3451 | if (numchars == 0) | |
3452 | abort (); | |
3453 | ||
3454 | bufp->kind = delete_window_event; | |
3455 | XSET (bufp->frame_or_window, Lisp_Frame, f); | |
3456 | bufp++; | |
3457 | ||
3458 | count += 1; | |
3459 | numchars -= 1; | |
3460 | } | |
c047688c JA |
3461 | } |
3462 | } | |
3463 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
3464 | { | |
3465 | } | |
3466 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
3467 | { | |
3468 | int new_x, new_y; | |
1fb20991 RS |
3469 | struct frame *f = x_window_to_frame (event.xclient.window); |
3470 | ||
4357eba7 JB |
3471 | new_x = event.xclient.data.s[0]; |
3472 | new_y = event.xclient.data.s[1]; | |
1fb20991 RS |
3473 | |
3474 | if (f) | |
3475 | { | |
3476 | f->display.x->left_pos = new_x; | |
3477 | f->display.x->top_pos = new_y; | |
3478 | } | |
c047688c | 3479 | } |
5627c40e | 3480 | #if defined (USE_X_TOOLKIT) && defined (HAVE_X11R5) |
c2df547c RS |
3481 | else if (event.xclient.message_type == Xatom_editres_name) |
3482 | { | |
3483 | struct frame *f = x_any_window_to_frame (event.xclient.window); | |
3484 | _XEditResCheckMessages (f->display.x->widget, NULL, &event, NULL); | |
3485 | } | |
5627c40e | 3486 | #endif /* USE_X_TOOLKIT and HAVE_X11R5 */ |
c047688c JA |
3487 | } |
3488 | break; | |
dc6f92b8 | 3489 | |
d56a553a | 3490 | case SelectionNotify: |
3afe33e7 | 3491 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3492 | if (! x_window_to_frame (event.xselection.requestor)) |
3afe33e7 | 3493 | goto OTHER; |
3afe33e7 | 3494 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3495 | x_handle_selection_notify (&event); |
d56a553a | 3496 | break; |
d56a553a | 3497 | |
dc6f92b8 | 3498 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3499 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3500 | if (! x_window_to_frame (event.xselectionclear.window)) |
3501 | goto OTHER; | |
3afe33e7 | 3502 | #endif /* USE_X_TOOLKIT */ |
b2bd9b6a | 3503 | { |
d56a553a RS |
3504 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; |
3505 | ||
3506 | if (numchars == 0) | |
3507 | abort (); | |
3508 | ||
3509 | bufp->kind = selection_clear_event; | |
3510 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3511 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3512 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3513 | bufp++; | |
3514 | ||
3515 | count += 1; | |
3516 | numchars -= 1; | |
3afe33e7 | 3517 | } |
dc6f92b8 JB |
3518 | break; |
3519 | ||
3520 | case SelectionRequest: /* Someone wants our selection. */ | |
3afe33e7 | 3521 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3522 | if (!x_window_to_frame (event.xselectionrequest.owner)) |
3523 | goto OTHER; | |
3afe33e7 | 3524 | #endif /* USE_X_TOOLKIT */ |
b2bd9b6a | 3525 | { |
d56a553a RS |
3526 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; |
3527 | ||
3528 | if (numchars == 0) | |
3529 | abort (); | |
3530 | ||
3531 | bufp->kind = selection_request_event; | |
3532 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3533 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3534 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3535 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3536 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3537 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3538 | bufp++; | |
3539 | ||
3540 | count += 1; | |
3541 | numchars -= 1; | |
3afe33e7 | 3542 | } |
dc6f92b8 JB |
3543 | break; |
3544 | ||
3545 | case PropertyNotify: | |
3afe33e7 | 3546 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3547 | if (!x_any_window_to_frame (event.xproperty.window)) |
3afe33e7 | 3548 | goto OTHER; |
3afe33e7 | 3549 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3550 | x_handle_property_notify (&event); |
dc6f92b8 JB |
3551 | break; |
3552 | ||
3bd330d4 | 3553 | case ReparentNotify: |
3a35ab44 | 3554 | f = x_top_window_to_frame (event.xreparent.window); |
3bd330d4 | 3555 | if (f) |
3a35ab44 RS |
3556 | { |
3557 | int x, y; | |
3558 | f->display.x->parent_desc = event.xreparent.parent; | |
3559 | x_real_positions (f, &x, &y); | |
3560 | f->display.x->left_pos = x; | |
3561 | f->display.x->top_pos = y; | |
3562 | } | |
3bd330d4 RS |
3563 | break; |
3564 | ||
dc6f92b8 | 3565 | case Expose: |
f676886a JB |
3566 | f = x_window_to_frame (event.xexpose.window); |
3567 | if (f) | |
dc6f92b8 | 3568 | { |
3a88c238 | 3569 | if (f->async_visible == 0) |
dc6f92b8 | 3570 | { |
3a88c238 JB |
3571 | f->async_visible = 1; |
3572 | f->async_iconified = 0; | |
f676886a | 3573 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
3574 | } |
3575 | else | |
b2bd9b6a RS |
3576 | dumprectangle (x_window_to_frame (event.xexpose.window), |
3577 | event.xexpose.x, event.xexpose.y, | |
3578 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
3579 | } |
3580 | else | |
3581 | { | |
ab648270 JB |
3582 | struct scroll_bar *bar |
3583 | = x_window_to_scroll_bar (event.xexpose.window); | |
3afe33e7 | 3584 | |
f451eb13 | 3585 | if (bar) |
3afe33e7 RS |
3586 | x_scroll_bar_expose (bar, &event); |
3587 | #ifdef USE_X_TOOLKIT | |
3588 | else | |
3589 | goto OTHER; | |
3590 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3591 | } |
3592 | break; | |
3593 | ||
3594 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
3595 | source area was obscured or not | |
3596 | available.*/ | |
f451eb13 JB |
3597 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
3598 | if (f) | |
3599 | { | |
3600 | dumprectangle (f, | |
3601 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3602 | event.xgraphicsexpose.width, | |
3603 | event.xgraphicsexpose.height); | |
f451eb13 | 3604 | } |
3afe33e7 RS |
3605 | #ifdef USE_X_TOOLKIT |
3606 | else | |
3607 | goto OTHER; | |
3608 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3609 | break; |
3610 | ||
3611 | case NoExpose: /* This occurs when an XCopyArea's | |
3612 | source area was completely | |
3613 | available */ | |
3614 | break; | |
c118dd06 | 3615 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3616 | case ExposeWindow: |
3617 | if (event.subwindow != 0) | |
3618 | break; /* duplicate event */ | |
f676886a JB |
3619 | f = x_window_to_frame (event.window); |
3620 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3621 | { |
f676886a | 3622 | refreshicon (f); |
3a88c238 | 3623 | f->async_iconified = 1; |
dc6f92b8 | 3624 | } |
c118dd06 | 3625 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3626 | { |
3627 | /* Say must check all windows' needs_exposure flags. */ | |
3628 | expose_all_windows = 1; | |
f676886a | 3629 | f->display.x->needs_exposure = 1; |
3a88c238 | 3630 | f->async_visible = 1; |
dc6f92b8 JB |
3631 | } |
3632 | break; | |
3633 | ||
3634 | case ExposeRegion: | |
3635 | if (event.subwindow != 0) | |
3636 | break; /* duplicate event */ | |
f676886a JB |
3637 | f = x_window_to_frame (event.window); |
3638 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3639 | { |
f676886a | 3640 | refreshicon (f); |
dc6f92b8 JB |
3641 | break; |
3642 | } | |
3643 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3644 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3645 | break; |
3646 | /* Put the event on the queue of rectangles to redraw. */ | |
3647 | if (enqueue_event (&event, &x_expose_queue)) | |
3648 | /* If it is full, we can't record the rectangle, | |
3649 | so redraw this entire window. */ | |
3650 | { | |
3651 | /* Say must check all windows' needs_exposure flags. */ | |
3652 | expose_all_windows = 1; | |
f676886a | 3653 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3654 | } |
3655 | break; | |
3656 | ||
3657 | case ExposeCopy: | |
3658 | /* This should happen only when we are expecting it, | |
3659 | in x_read_exposes. */ | |
3660 | abort (); | |
c118dd06 | 3661 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3662 | |
3663 | #ifdef HAVE_X11 | |
3664 | case UnmapNotify: | |
dc05a16b | 3665 | f = x_any_window_to_frame (event.xunmap.window); |
f451eb13 | 3666 | if (f) /* F may no longer exist if |
f676886a | 3667 | the frame was deleted. */ |
f451eb13 JB |
3668 | { |
3669 | /* While a frame is unmapped, display generation is | |
3670 | disabled; you don't want to spend time updating a | |
3671 | display that won't ever be seen. */ | |
3672 | f->async_visible = 0; | |
5627c40e RS |
3673 | /* We can't distinguish, from the event, whether the window |
3674 | has become iconified or invisible. So assume, if it | |
3675 | was previously visible, than now it is iconified. | |
3676 | We depend on x_make_frame_invisible to mark it iconified. */ | |
9319ae23 RS |
3677 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
3678 | f->async_iconified = 1; | |
f451eb13 | 3679 | } |
3afe33e7 RS |
3680 | #ifdef USE_X_TOOLKIT |
3681 | goto OTHER; | |
3682 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3683 | break; |
3684 | ||
3685 | case MapNotify: | |
b2bd9b6a RS |
3686 | /* We use x_top_window_to_frame because map events can come |
3687 | for subwindows and they don't mean that the frame is visible. */ | |
5627c40e | 3688 | f = x_top_window_to_frame (event.xmap.window); |
f676886a | 3689 | if (f) |
dc6f92b8 | 3690 | { |
3a88c238 JB |
3691 | f->async_visible = 1; |
3692 | f->async_iconified = 0; | |
dc6f92b8 JB |
3693 | |
3694 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
3695 | the frame's display structures. */ |
3696 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 | 3697 | } |
3afe33e7 RS |
3698 | #ifdef USE_X_TOOLKIT |
3699 | goto OTHER; | |
3700 | #endif /* USE_X_TOOLKIT */ | |
b2bd9b6a | 3701 | break; |
dc6f92b8 JB |
3702 | |
3703 | /* Turn off processing if we become fully obscured. */ | |
3704 | case VisibilityNotify: | |
3705 | break; | |
3706 | ||
c118dd06 | 3707 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3708 | case UnmapWindow: |
f676886a JB |
3709 | f = x_window_to_frame (event.window); |
3710 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 3711 | f->async_iconified = 0; |
c118dd06 | 3712 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 3713 | f->async_visible = 0; |
dc6f92b8 | 3714 | break; |
c118dd06 | 3715 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3716 | |
3717 | #ifdef HAVE_X11 | |
3718 | case KeyPress: | |
1dea5a83 | 3719 | f = x_any_window_to_frame (event.xkey.window); |
f451eb13 | 3720 | |
f676886a | 3721 | if (f != 0) |
dc6f92b8 | 3722 | { |
2d368234 | 3723 | KeySym keysym, orig_keysym; |
bf6d8fb9 RS |
3724 | /* al%imercury@uunet.uu.net says that making this 81 instead of |
3725 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3726 | unsigned char copy_buffer[81]; | |
64bb1782 RS |
3727 | int modifiers; |
3728 | ||
dfeccd2d JB |
3729 | event.xkey.state |
3730 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 3731 | modifiers = event.xkey.state; |
3a2712f9 | 3732 | |
11edeb03 | 3733 | /* This will have to go some day... */ |
752a043f JB |
3734 | |
3735 | /* make_lispy_event turns chars into control chars. | |
3736 | Don't do it here because XLookupString is too eager. */ | |
3737 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
3738 | nbytes = |
3739 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
3740 | &compose_status); | |
dc6f92b8 | 3741 | |
2d368234 | 3742 | orig_keysym = keysym; |
55123275 | 3743 | |
dc6f92b8 JB |
3744 | if (numchars > 1) |
3745 | { | |
64a07219 JB |
3746 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) |
3747 | || keysym == XK_Delete | |
3748 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3749 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3750 | #ifdef HPUX |
64a07219 JB |
3751 | /* This recognizes the "extended function keys". |
3752 | It seems there's no cleaner way. | |
3753 | Test IsModifierKey to avoid handling mode_switch | |
3754 | incorrectly. */ | |
3755 | || ((unsigned) (keysym) >= XK_Select | |
3756 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3757 | #endif |
3758 | #ifdef XK_dead_circumflex | |
3759 | || orig_keysym == XK_dead_circumflex | |
3760 | #endif | |
3761 | #ifdef XK_dead_grave | |
3762 | || orig_keysym == XK_dead_grave | |
3763 | #endif | |
3764 | #ifdef XK_dead_tilde | |
3765 | || orig_keysym == XK_dead_tilde | |
3766 | #endif | |
3767 | #ifdef XK_dead_diaeresis | |
3768 | || orig_keysym == XK_dead_diaeresis | |
3769 | #endif | |
3770 | #ifdef XK_dead_macron | |
3771 | || orig_keysym == XK_dead_macron | |
3772 | #endif | |
3773 | #ifdef XK_dead_degree | |
3774 | || orig_keysym == XK_dead_degree | |
3775 | #endif | |
3776 | #ifdef XK_dead_acute | |
3777 | || orig_keysym == XK_dead_acute | |
3778 | #endif | |
3779 | #ifdef XK_dead_cedilla | |
3780 | || orig_keysym == XK_dead_cedilla | |
3781 | #endif | |
3782 | #ifdef XK_dead_breve | |
3783 | || orig_keysym == XK_dead_breve | |
3784 | #endif | |
3785 | #ifdef XK_dead_ogonek | |
3786 | || orig_keysym == XK_dead_ogonek | |
3787 | #endif | |
3788 | #ifdef XK_dead_caron | |
3789 | || orig_keysym == XK_dead_caron | |
3790 | #endif | |
3791 | #ifdef XK_dead_doubleacute | |
3792 | || orig_keysym == XK_dead_doubleacute | |
3793 | #endif | |
3794 | #ifdef XK_dead_abovedot | |
3795 | || orig_keysym == XK_dead_abovedot | |
c34790e0 | 3796 | #endif |
64a07219 JB |
3797 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3798 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
05f6617d RS |
3799 | /* Any "vendor-specific" key is ok. */ |
3800 | || (orig_keysym & (1 << 28))) | |
7719aa06 RS |
3801 | && ! (IsModifierKey (orig_keysym) |
3802 | #ifndef HAVE_X11R5 | |
3803 | #ifdef XK_Mode_switch | |
3804 | || ((unsigned)(orig_keysym) == XK_Mode_switch) | |
3805 | #endif | |
3806 | #ifdef XK_Num_Lock | |
3807 | || ((unsigned)(orig_keysym) == XK_Num_Lock) | |
3808 | #endif | |
3809 | #endif /* not HAVE_X11R5 */ | |
3810 | )) | |
dc6f92b8 | 3811 | { |
10e6549c RS |
3812 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3813 | temp_index = 0; | |
3814 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 3815 | bufp->kind = non_ascii_keystroke; |
69388238 | 3816 | bufp->code = keysym; |
12ba150f | 3817 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3818 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3819 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3820 | bufp++; |
3821 | count++; | |
3822 | numchars--; | |
3823 | } | |
3824 | else if (numchars > nbytes) | |
3825 | { | |
3826 | register int i; | |
3827 | ||
10e6549c | 3828 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 3829 | { |
10e6549c RS |
3830 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3831 | temp_index = 0; | |
3832 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 3833 | bufp->kind = ascii_keystroke; |
69388238 | 3834 | bufp->code = copy_buffer[i]; |
12ba150f | 3835 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3836 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3837 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3838 | bufp++; |
3839 | } | |
dc6f92b8 JB |
3840 | |
3841 | count += nbytes; | |
3842 | numchars -= nbytes; | |
3843 | } | |
10e6549c RS |
3844 | else |
3845 | abort (); | |
dc6f92b8 | 3846 | } |
10e6549c RS |
3847 | else |
3848 | abort (); | |
dc6f92b8 JB |
3849 | } |
3850 | break; | |
c118dd06 | 3851 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3852 | case KeyPressed: |
3853 | { | |
3854 | register char *where_mapping; | |
3855 | ||
f676886a | 3856 | f = x_window_to_frame (event.window); |
dc6f92b8 | 3857 | /* Ignore keys typed on icon windows. */ |
f676886a | 3858 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
3859 | break; |
3860 | where_mapping = XLookupMapping (&event, &nbytes); | |
3861 | /* Nasty fix for arrow keys */ | |
3862 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
3863 | { | |
3864 | switch (event.detail & 0xff) | |
3865 | { | |
3866 | case KC_CURSOR_LEFT: | |
3867 | where_mapping = "\002"; | |
3868 | break; | |
3869 | case KC_CURSOR_RIGHT: | |
3870 | where_mapping = "\006"; | |
3871 | break; | |
3872 | case KC_CURSOR_UP: | |
3873 | where_mapping = "\020"; | |
3874 | break; | |
3875 | case KC_CURSOR_DOWN: | |
3876 | where_mapping = "\016"; | |
3877 | break; | |
3878 | } | |
3879 | nbytes = 1; | |
3880 | } | |
3881 | if (numchars - nbytes > 0) | |
3882 | { | |
3883 | register int i; | |
3884 | ||
3885 | for (i = 0; i < nbytes; i++) | |
3886 | { | |
3887 | bufp->kind = ascii_keystroke; | |
69388238 | 3888 | bufp->code = where_mapping[i]; |
90e65f07 | 3889 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 3890 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
3891 | bufp++; |
3892 | } | |
3893 | count += nbytes; | |
3894 | numchars -= nbytes; | |
3895 | } | |
3896 | } | |
3897 | break; | |
c118dd06 | 3898 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3899 | |
3900 | #ifdef HAVE_X11 | |
f451eb13 JB |
3901 | |
3902 | /* Here's a possible interpretation of the whole | |
3903 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3904 | FocusIn event, you have to get a FocusOut event before you | |
3905 | relinquish the focus. If you haven't received a FocusIn event, | |
3906 | then a mere LeaveNotify is enough to free you. */ | |
3907 | ||
dc6f92b8 | 3908 | case EnterNotify: |
1dea5a83 | 3909 | f = x_any_window_to_frame (event.xcrossing.window); |
6d4238f3 | 3910 | |
f451eb13 | 3911 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3912 | { |
dc6f92b8 | 3913 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
3914 | if (f && (!(f->auto_raise) |
3915 | || !(f->auto_lower) | |
dc6f92b8 JB |
3916 | || (event.xcrossing.time - enter_timestamp) > 500)) |
3917 | { | |
f676886a | 3918 | x_new_focus_frame (f); |
dc6f92b8 JB |
3919 | enter_timestamp = event.xcrossing.time; |
3920 | } | |
dc6f92b8 | 3921 | } |
f676886a JB |
3922 | else if (f == x_focus_frame) |
3923 | x_new_focus_frame (0); | |
da893f1f RS |
3924 | /* EnterNotify counts as mouse movement, |
3925 | so update things that depend on mouse position. */ | |
3926 | if (f) | |
3927 | note_mouse_movement (f, &event.xmotion); | |
3afe33e7 RS |
3928 | #ifdef USE_X_TOOLKIT |
3929 | goto OTHER; | |
3930 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3931 | break; |
3932 | ||
3933 | case FocusIn: | |
1dea5a83 | 3934 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3935 | if (event.xfocus.detail != NotifyPointer) |
3936 | x_focus_event_frame = f; | |
f676886a JB |
3937 | if (f) |
3938 | x_new_focus_frame (f); | |
3afe33e7 RS |
3939 | #ifdef USE_X_TOOLKIT |
3940 | goto OTHER; | |
3941 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3942 | break; |
3943 | ||
f451eb13 | 3944 | |
dc6f92b8 | 3945 | case LeaveNotify: |
10c5e63d KH |
3946 | f = x_top_window_to_frame (event.xcrossing.window); |
3947 | if (f) | |
f451eb13 | 3948 | { |
10c5e63d KH |
3949 | if (f == mouse_face_mouse_frame) |
3950 | /* If we move outside the frame, | |
3951 | then we're certainly no longer on any text in the frame. */ | |
3952 | clear_mouse_face (); | |
3953 | ||
3954 | if (event.xcrossing.focus) | |
3955 | { | |
3956 | if (! x_focus_event_frame) | |
3957 | x_new_focus_frame (0); | |
3958 | else | |
3959 | x_new_focus_frame (f); | |
3960 | } | |
3961 | else | |
3962 | { | |
3963 | if (f == x_focus_event_frame) | |
3964 | x_focus_event_frame = 0; | |
3965 | if (f == x_focus_frame) | |
3966 | x_new_focus_frame (0); | |
3967 | } | |
dc6f92b8 | 3968 | } |
3afe33e7 RS |
3969 | #ifdef USE_X_TOOLKIT |
3970 | goto OTHER; | |
3971 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3972 | break; |
3973 | ||
3974 | case FocusOut: | |
1dea5a83 | 3975 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3976 | if (event.xfocus.detail != NotifyPointer |
3977 | && f == x_focus_event_frame) | |
3978 | x_focus_event_frame = 0; | |
f676886a JB |
3979 | if (f && f == x_focus_frame) |
3980 | x_new_focus_frame (0); | |
3afe33e7 RS |
3981 | #ifdef USE_X_TOOLKIT |
3982 | goto OTHER; | |
3983 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3984 | break; |
3985 | ||
c118dd06 | 3986 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3987 | |
3988 | case EnterWindow: | |
3989 | if ((event.detail & 0xFF) == 1) | |
3990 | break; /* Coming from our own subwindow */ | |
3991 | if (event.subwindow != 0) | |
3992 | break; /* Entering our own subwindow. */ | |
3993 | ||
3994 | { | |
f676886a JB |
3995 | f = x_window_to_frame (event.window); |
3996 | x_mouse_frame = f; | |
dc6f92b8 | 3997 | |
f676886a | 3998 | x_new_focus_frame (f); |
dc6f92b8 JB |
3999 | } |
4000 | break; | |
4001 | ||
4002 | case LeaveWindow: | |
4003 | if ((event.detail & 0xFF) == 1) | |
4004 | break; /* Entering our own subwindow */ | |
4005 | if (event.subwindow != 0) | |
4006 | break; /* Leaving our own subwindow. */ | |
4007 | ||
f676886a JB |
4008 | x_mouse_frame = 0; |
4009 | if (x_focus_frame == 0 | |
4010 | && x_input_frame != 0 | |
4011 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 4012 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 4013 | { |
f676886a JB |
4014 | f = x_input_frame; |
4015 | x_input_frame = 0; | |
4016 | if (f) | |
4017 | frame_unhighlight (f); | |
dc6f92b8 JB |
4018 | } |
4019 | break; | |
c118dd06 | 4020 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4021 | |
4022 | #ifdef HAVE_X11 | |
4023 | case MotionNotify: | |
4024 | { | |
06ef4a3f | 4025 | if (x_mouse_grabbed && FRAME_LIVE_P (last_mouse_frame)) |
69388238 RS |
4026 | f = last_mouse_frame; |
4027 | else | |
4028 | f = x_window_to_frame (event.xmotion.window); | |
f676886a | 4029 | if (f) |
12ba150f | 4030 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 4031 | else |
dc6f92b8 | 4032 | { |
69388238 RS |
4033 | struct scroll_bar *bar |
4034 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
4035 | |
4036 | if (bar) | |
ab648270 | 4037 | x_scroll_bar_note_movement (bar, &event); |
b8009dd1 RS |
4038 | |
4039 | /* If we move outside the frame, | |
4040 | then we're certainly no longer on any text in the frame. */ | |
4041 | clear_mouse_face (); | |
dc6f92b8 | 4042 | } |
dc6f92b8 | 4043 | } |
0a178815 RS |
4044 | #if 0 /* This should be unnecessary, since the toolkit has no use |
4045 | for motion events that happen outside of the menu event loop, | |
4046 | and it seems to cause the bug that mouse events stop coming | |
4047 | after a while. */ | |
3afe33e7 RS |
4048 | #ifdef USE_X_TOOLKIT |
4049 | goto OTHER; | |
4050 | #endif /* USE_X_TOOLKIT */ | |
0a178815 | 4051 | #endif |
dc6f92b8 JB |
4052 | break; |
4053 | ||
4054 | case ConfigureNotify: | |
13ce2d73 | 4055 | f = x_any_window_to_frame (event.xconfigure.window); |
3afe33e7 | 4056 | #ifdef USE_X_TOOLKIT |
13ce2d73 | 4057 | if (f |
3a35ab44 | 4058 | #if 0 |
13ce2d73 | 4059 | && ! event.xconfigure.send_event |
3a35ab44 | 4060 | #endif |
13ce2d73 FP |
4061 | && (event.xconfigure.window == XtWindow (f->display.x->widget))) |
4062 | { | |
4063 | Window win, child; | |
4064 | int win_x, win_y; | |
4065 | ||
4066 | /* Find the position of the outside upper-left corner of | |
4067 | the window, in the root coordinate system. Don't | |
4068 | refer to the parent window here; we may be processing | |
4069 | this event after the window manager has changed our | |
4070 | parent, but before we have reached the ReparentNotify. */ | |
4071 | XTranslateCoordinates (x_current_display, | |
4072 | ||
4073 | /* From-window, to-window. */ | |
4074 | XtWindow (f->display.x->widget), | |
4075 | ROOT_WINDOW, | |
4076 | ||
4077 | /* From-position, to-position. */ | |
4078 | -event.xconfigure.border_width, | |
4079 | -event.xconfigure.border_width, | |
4080 | &win_x, &win_y, | |
4081 | ||
4082 | /* Child of win. */ | |
4083 | &child); | |
4084 | event.xconfigure.x = win_x; | |
4085 | event.xconfigure.y = win_y; | |
4086 | ||
4087 | f->display.x->pixel_width = event.xconfigure.width; | |
4088 | f->display.x->pixel_height = event.xconfigure.height; | |
4089 | f->display.x->left_pos = event.xconfigure.x; | |
4090 | f->display.x->top_pos = event.xconfigure.y; | |
3a35ab44 RS |
4091 | |
4092 | /* What we have now is the position of Emacs's own window. | |
4093 | Convert that to the position of the window manager window. */ | |
4094 | { | |
4095 | int x, y; | |
4096 | x_real_positions (f, &x, &y); | |
4097 | f->display.x->left_pos = x; | |
4098 | f->display.x->top_pos = y; | |
4099 | } | |
13ce2d73 FP |
4100 | } |
4101 | goto OTHER; | |
3afe33e7 | 4102 | #else /* not USE_X_TOOLKIT */ |
dbc4e1c1 JB |
4103 | if (f) |
4104 | { | |
4105 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
4106 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
4107 | ||
4108 | /* Even if the number of character rows and columns has | |
4109 | not changed, the font size may have changed, so we need | |
4110 | to check the pixel dimensions as well. */ | |
4111 | if (columns != f->width | |
4112 | || rows != f->height | |
4113 | || event.xconfigure.width != f->display.x->pixel_width | |
4114 | || event.xconfigure.height != f->display.x->pixel_height) | |
4115 | { | |
4116 | change_frame_size (f, rows, columns, 0, 1); | |
4117 | SET_FRAME_GARBAGED (f); | |
4118 | } | |
dc6f92b8 | 4119 | |
3bd330d4 | 4120 | if (! event.xconfigure.send_event) |
af395ec1 RS |
4121 | { |
4122 | Window win, child; | |
4123 | int win_x, win_y; | |
4124 | ||
6cc35d86 JB |
4125 | /* Find the position of the outside upper-left corner of |
4126 | the window, in the root coordinate system. Don't | |
4127 | refer to the parent window here; we may be processing | |
4128 | this event after the window manager has changed our | |
4129 | parent, but before we have reached the ReparentNotify. */ | |
af395ec1 RS |
4130 | XTranslateCoordinates (x_current_display, |
4131 | ||
4132 | /* From-window, to-window. */ | |
6cc35d86 | 4133 | f->display.x->window_desc, |
3bd330d4 | 4134 | ROOT_WINDOW, |
af395ec1 RS |
4135 | |
4136 | /* From-position, to-position. */ | |
6cc35d86 JB |
4137 | -event.xconfigure.border_width, |
4138 | -event.xconfigure.border_width, | |
af395ec1 RS |
4139 | &win_x, &win_y, |
4140 | ||
4141 | /* Child of win. */ | |
4142 | &child); | |
4143 | event.xconfigure.x = win_x; | |
4144 | event.xconfigure.y = win_y; | |
4145 | } | |
4146 | ||
dbc4e1c1 JB |
4147 | f->display.x->pixel_width = event.xconfigure.width; |
4148 | f->display.x->pixel_height = event.xconfigure.height; | |
4149 | f->display.x->left_pos = event.xconfigure.x; | |
4150 | f->display.x->top_pos = event.xconfigure.y; | |
3a35ab44 RS |
4151 | |
4152 | /* What we have now is the position of Emacs's own window. | |
4153 | Convert that to the position of the window manager window. */ | |
4154 | { | |
4155 | int x, y; | |
4156 | x_real_positions (f, &x, &y); | |
4157 | f->display.x->left_pos = x; | |
4158 | f->display.x->top_pos = y; | |
fd13dbb2 RS |
4159 | if (y != event.xconfigure.y) |
4160 | { | |
4161 | /* Since the WM decorations come below top_pos now, | |
4162 | we must put them below top_pos in the future. */ | |
4163 | f->display.x->win_gravity = NorthWestGravity; | |
4164 | x_wm_set_size_hint (f, 0, 0); | |
4165 | } | |
3a35ab44 | 4166 | } |
dbc4e1c1 | 4167 | } |
3afe33e7 | 4168 | #endif /* not USE_X_TOOLKIT */ |
dbc4e1c1 | 4169 | break; |
dc6f92b8 JB |
4170 | |
4171 | case ButtonPress: | |
4172 | case ButtonRelease: | |
4173 | { | |
4174 | /* If we decide we want to generate an event to be seen | |
4175 | by the rest of Emacs, we put it here. */ | |
4176 | struct input_event emacs_event; | |
4177 | emacs_event.kind = no_event; | |
4178 | ||
9b07615b RS |
4179 | bzero (&compose_status, sizeof (compose_status)); |
4180 | ||
f676886a JB |
4181 | f = x_window_to_frame (event.xbutton.window); |
4182 | if (f) | |
f451eb13 JB |
4183 | { |
4184 | if (!x_focus_frame || (f == x_focus_frame)) | |
69388238 | 4185 | construct_mouse_click (&emacs_event, &event, f); |
f451eb13 | 4186 | } |
dc6f92b8 | 4187 | else |
f451eb13 | 4188 | { |
ab648270 JB |
4189 | struct scroll_bar *bar = |
4190 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
4191 | |
4192 | if (bar) | |
ab648270 | 4193 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
3afe33e7 RS |
4194 | #ifdef USE_X_TOOLKIT |
4195 | else | |
4196 | { | |
4197 | f = x_any_window_to_frame (event.xbutton.window); | |
4198 | if (f && event.type == ButtonPress) | |
4199 | construct_menu_click (&emacs_event, | |
4200 | &event, f); | |
4201 | } | |
4202 | #endif /* USE_X_TOOLKIT */ | |
f451eb13 | 4203 | } |
dc6f92b8 JB |
4204 | |
4205 | if (numchars >= 1 && emacs_event.kind != no_event) | |
4206 | { | |
4207 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
4208 | bufp++; | |
4209 | count++; | |
4210 | numchars--; | |
4211 | } | |
3afe33e7 RS |
4212 | |
4213 | #ifdef USE_X_TOOLKIT | |
4214 | goto OTHER; | |
4215 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4216 | } |
4217 | break; | |
4218 | ||
c118dd06 | 4219 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4220 | case ButtonPressed: |
4221 | case ButtonReleased: | |
f676886a JB |
4222 | f = x_window_to_frame (event.window); |
4223 | if (f) | |
dc6f92b8 | 4224 | { |
f676886a | 4225 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 4226 | { |
f676886a | 4227 | x_make_frame_visible (f); |
dc6f92b8 JB |
4228 | |
4229 | if (warp_mouse_on_deiconify) | |
c118dd06 | 4230 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
4231 | break; |
4232 | } | |
c118dd06 | 4233 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 4234 | { |
f676886a JB |
4235 | if (f->auto_raise) |
4236 | x_raise_frame (f); | |
dc6f92b8 JB |
4237 | } |
4238 | } | |
4239 | enqueue_event (&event, &x_mouse_queue); | |
4240 | if (numchars >= 2) | |
4241 | { | |
4242 | bufp->kind = ascii_keystroke; | |
69388238 | 4243 | bufp->code = 'X' & 037; /* C-x */ |
12ba150f | 4244 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 4245 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
4246 | bufp++; |
4247 | ||
4248 | bufp->kind = ascii_keystroke; | |
69388238 | 4249 | bufp->code = 0; /* C-@ */ |
12ba150f | 4250 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 4251 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
4252 | bufp++; |
4253 | ||
4254 | count += 2; | |
4255 | numchars -= 2; | |
4256 | } | |
4257 | break; | |
c118dd06 | 4258 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4259 | |
4260 | #ifdef HAVE_X11 | |
4261 | ||
4262 | case CirculateNotify: | |
4263 | break; | |
4264 | case CirculateRequest: | |
4265 | break; | |
4266 | ||
c118dd06 | 4267 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4268 | |
4269 | case MappingNotify: | |
11edeb03 JB |
4270 | /* Someone has changed the keyboard mapping - update the |
4271 | local cache. */ | |
4272 | switch (event.xmapping.request) | |
4273 | { | |
4274 | case MappingModifier: | |
4275 | x_find_modifier_meanings (); | |
4276 | /* This is meant to fall through. */ | |
4277 | case MappingKeyboard: | |
4278 | XRefreshKeyboardMapping (&event.xmapping); | |
4279 | } | |
3afe33e7 RS |
4280 | #ifdef USE_X_TOOLKIT |
4281 | goto OTHER; | |
4282 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4283 | break; |
4284 | ||
4285 | default: | |
3afe33e7 RS |
4286 | #ifdef USE_X_TOOLKIT |
4287 | OTHER: | |
4288 | BLOCK_INPUT; | |
4289 | XtDispatchEvent (&event); | |
4290 | UNBLOCK_INPUT; | |
4291 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4292 | break; |
4293 | } | |
4294 | } | |
4295 | ||
502add23 RS |
4296 | #ifdef X_IO_BUG |
4297 | if (! event_found) | |
4298 | /* On some systems, an X bug causes Emacs to get no more events | |
7071e5dd | 4299 | when the window is destroyed. Detect that. (1994.) */ |
502add23 RS |
4300 | XNoOp (x_current_display); |
4301 | #endif /* X_IO_BUG */ | |
4302 | ||
7071e5dd RS |
4303 | #if 0 /* This fails for serial-line connections to the X server, |
4304 | because the characters arrive one by one, and a partial | |
4305 | command makes select return but gives nothing to read. | |
4306 | We'll have to hope that the bug that this tried to fix | |
4307 | in 1988 has been fixed in Xlib or the X server. */ | |
dc6f92b8 JB |
4308 | #ifdef HAVE_SELECT |
4309 | if (expected && ! event_found) | |
4310 | { | |
4311 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
4312 | there is an EOF condition; in other words, that X has died. | |
4313 | Act as if there had been a hangup. */ | |
dc6f92b8 | 4314 | int fd = ConnectionNumber (x_current_display); |
307feb1f | 4315 | SELECT_TYPE mask, junk1, junk2; |
66f55a9d | 4316 | EMACS_TIME timeout; |
dc6f92b8 | 4317 | |
61c3ce62 RS |
4318 | FD_ZERO (&mask); |
4319 | FD_SET (fd, &mask); | |
66f55a9d | 4320 | EMACS_SET_SECS_USECS (timeout, 0, 0); |
307feb1f RS |
4321 | FD_ZERO (&junk1); |
4322 | FD_ZERO (&junk2); | |
4323 | if (0 != select (fd + 1, &mask, &junk1, &junk2, &timeout) | |
dc6f92b8 JB |
4324 | && !XStuffPending ()) |
4325 | kill (getpid (), SIGHUP); | |
4326 | } | |
61c3ce62 | 4327 | #endif /* HAVE_SELECT */ |
7071e5dd | 4328 | #endif /* 0 */ |
dc6f92b8 | 4329 | |
f451eb13 | 4330 | #ifndef HAVE_X11 |
f676886a | 4331 | if (updating_frame == 0) |
dc6f92b8 | 4332 | x_do_pending_expose (); |
f451eb13 | 4333 | #endif |
dc6f92b8 | 4334 | |
0134a210 RS |
4335 | /* If the focus was just given to an autoraising frame, |
4336 | raise it now. */ | |
4337 | #ifdef HAVE_X11 | |
4338 | if (pending_autoraise_frame) | |
4339 | { | |
4340 | x_raise_frame (pending_autoraise_frame); | |
4341 | pending_autoraise_frame = 0; | |
4342 | } | |
4343 | #endif | |
4344 | ||
dc6f92b8 JB |
4345 | UNBLOCK_INPUT; |
4346 | return count; | |
4347 | } | |
4348 | ||
4349 | #ifndef HAVE_X11 | |
4350 | /* Read and process only Expose events | |
4351 | until we get an ExposeCopy event; then return. | |
4352 | This is used in insert/delete line. | |
4353 | We assume input is already blocked. */ | |
4354 | ||
4355 | static void | |
4356 | x_read_exposes () | |
4357 | { | |
f676886a | 4358 | struct frame *f; |
dc6f92b8 JB |
4359 | XKeyPressedEvent event; |
4360 | ||
4361 | while (1) | |
4362 | { | |
4363 | /* while there are more events*/ | |
4364 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
4365 | switch (event.type) | |
4366 | { | |
4367 | case ExposeWindow: | |
4368 | if (event.subwindow != 0) | |
4369 | break; /* duplicate event */ | |
f676886a JB |
4370 | f = x_window_to_frame (event.window); |
4371 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 4372 | { |
f676886a | 4373 | refreshicon (f); |
dc6f92b8 JB |
4374 | break; |
4375 | } | |
c118dd06 | 4376 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
4377 | { |
4378 | expose_all_windows = 1; | |
f676886a | 4379 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
4380 | break; |
4381 | } | |
4382 | break; | |
4383 | ||
4384 | case ExposeRegion: | |
4385 | if (event.subwindow != 0) | |
4386 | break; /* duplicate event */ | |
f676886a JB |
4387 | f = x_window_to_frame (event.window); |
4388 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 4389 | { |
f676886a | 4390 | refreshicon (f); |
dc6f92b8 JB |
4391 | break; |
4392 | } | |
4393 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 4394 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
4395 | break; |
4396 | /* Put the event on the queue of rectangles to redraw. */ | |
4397 | if (enqueue_event (&event, &x_expose_queue)) | |
4398 | /* If it is full, we can't record the rectangle, | |
4399 | so redraw this entire window. */ | |
4400 | { | |
4401 | /* Say must check all windows' needs_exposure flags. */ | |
4402 | expose_all_windows = 1; | |
f676886a | 4403 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
4404 | } |
4405 | break; | |
4406 | ||
4407 | case ExposeCopy: | |
4408 | return; | |
4409 | } | |
4410 | } | |
4411 | } | |
4412 | #endif /* HAVE_X11 */ | |
4413 | ||
dc6f92b8 | 4414 | \f |
f451eb13 JB |
4415 | /* Drawing the cursor. */ |
4416 | ||
4417 | ||
dc6f92b8 JB |
4418 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
4419 | ||
4420 | static void | |
f676886a JB |
4421 | x_draw_box (f) |
4422 | struct frame *f; | |
dc6f92b8 | 4423 | { |
12ba150f JB |
4424 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
4425 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a | 4426 | int width = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 4427 | int height = f->display.x->line_height; |
dc6f92b8 JB |
4428 | |
4429 | #ifdef HAVE_X11 | |
c118dd06 | 4430 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4431 | f->display.x->cursor_gc, |
dc6f92b8 | 4432 | left, top, width - 1, height - 1); |
c118dd06 JB |
4433 | #else /* ! defined (HAVE_X11) */ |
4434 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 4435 | left, top, width, 1, |
f676886a | 4436 | f->display.x->cursor_pixel); |
dc6f92b8 | 4437 | |
c118dd06 | 4438 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4439 | left, top, 1, height, |
f676886a | 4440 | f->display.x->cursor_pixel); |
dc6f92b8 | 4441 | |
c118dd06 | 4442 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4443 | left+width-1, top, 1, height, |
f676886a | 4444 | f->display.x->cursor_pixel); |
dc6f92b8 | 4445 | |
c118dd06 | 4446 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4447 | left, top+height-1, width, 1, |
f676886a | 4448 | f->display.x->cursor_pixel); |
c118dd06 | 4449 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4450 | } |
4451 | ||
f676886a | 4452 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4453 | and mark the cursor as not shown. |
4454 | This is used when the text where the cursor is | |
4455 | is about to be rewritten. */ | |
4456 | ||
4457 | static void | |
f676886a JB |
4458 | clear_cursor (f) |
4459 | struct frame *f; | |
dc6f92b8 JB |
4460 | { |
4461 | int mask; | |
4462 | ||
f451eb13 | 4463 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4464 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4465 | return; |
4466 | ||
4467 | #ifdef HAVE_X11 | |
f676886a | 4468 | x_display_cursor (f, 0); |
c118dd06 JB |
4469 | #else /* ! defined (HAVE_X11) */ |
4470 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
4471 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4472 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
a27f9f86 | 4473 | FONT_WIDTH (f->display.x->font), f->display.x->line_height, |
f676886a | 4474 | f->display.x->background_pixel); |
c118dd06 | 4475 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 4476 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4477 | } |
4478 | ||
f676886a | 4479 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4480 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4481 | glyph drawn. */ | |
dc6f92b8 JB |
4482 | |
4483 | static void | |
f676886a JB |
4484 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4485 | struct frame *f; | |
dc6f92b8 | 4486 | int row, column; |
90e65f07 | 4487 | GLYPH glyph; |
dc6f92b8 JB |
4488 | int highlight; |
4489 | { | |
f676886a | 4490 | dumpglyphs (f, |
12ba150f JB |
4491 | CHAR_TO_PIXEL_COL (f, column), |
4492 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4493 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4494 | } |
4495 | ||
dc6f92b8 | 4496 | static void |
dbc4e1c1 | 4497 | x_display_bar_cursor (f, on) |
f676886a | 4498 | struct frame *f; |
dc6f92b8 JB |
4499 | int on; |
4500 | { | |
f676886a | 4501 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4502 | |
49d838ea JB |
4503 | /* This is pointless on invisible frames, and dangerous on garbaged |
4504 | frames; in the latter case, the frame may be in the midst of | |
4505 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4506 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
4507 | return; |
4508 | ||
4509 | if (! on && f->phys_cursor_x < 0) | |
4510 | return; | |
4511 | ||
f676886a | 4512 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 4513 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 4514 | if (f != updating_frame) |
1113d9db | 4515 | { |
f676886a JB |
4516 | curs_x = FRAME_CURSOR_X (f); |
4517 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
4518 | } |
4519 | ||
dbc4e1c1 JB |
4520 | /* If there is anything wrong with the current cursor state, remove it. */ |
4521 | if (f->phys_cursor_x >= 0 | |
4522 | && (!on | |
4523 | || f->phys_cursor_x != curs_x | |
4524 | || f->phys_cursor_y != curs_y | |
4525 | || f->display.x->current_cursor != bar_cursor)) | |
4526 | { | |
4527 | /* Erase the cursor by redrawing the character underneath it. */ | |
4528 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4529 | f->phys_cursor_glyph, | |
4530 | current_glyphs->highlight[f->phys_cursor_y]); | |
4531 | f->phys_cursor_x = -1; | |
4532 | } | |
4533 | ||
4534 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4535 | if (on | |
4536 | && (f->phys_cursor_x < 0 | |
4537 | || (f->display.x->current_cursor != bar_cursor))) | |
4538 | { | |
4539 | f->phys_cursor_glyph | |
4540 | = ((current_glyphs->enable[curs_y] | |
4541 | && curs_x < current_glyphs->used[curs_y]) | |
4542 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4543 | : SPACEGLYPH); | |
4544 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
4545 | f->display.x->cursor_gc, | |
4546 | CHAR_TO_PIXEL_COL (f, curs_x), | |
4547 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
a27f9f86 | 4548 | 1, f->display.x->line_height); |
dbc4e1c1 JB |
4549 | |
4550 | f->phys_cursor_x = curs_x; | |
4551 | f->phys_cursor_y = curs_y; | |
4552 | ||
4553 | f->display.x->current_cursor = bar_cursor; | |
4554 | } | |
4555 | ||
4556 | if (updating_frame != f) | |
4557 | XFlushQueue (); | |
4558 | } | |
4559 | ||
4560 | ||
4561 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4562 | If ON is nonzero, where to put the cursor is specified | |
4563 | by F->cursor_x and F->cursor_y. */ | |
4564 | ||
4565 | static void | |
4566 | x_display_box_cursor (f, on) | |
4567 | struct frame *f; | |
4568 | int on; | |
4569 | { | |
4570 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4571 | ||
49d838ea JB |
4572 | /* This is pointless on invisible frames, and dangerous on garbaged |
4573 | frames; in the latter case, the frame may be in the midst of | |
4574 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4575 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
4576 | return; |
4577 | ||
4578 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4579 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4580 | return; |
4581 | ||
dbc4e1c1 JB |
4582 | /* If we're not updating, then we want to use the current frame's |
4583 | cursor position, not our local idea of where the cursor ought to be. */ | |
4584 | if (f != updating_frame) | |
4585 | { | |
4586 | curs_x = FRAME_CURSOR_X (f); | |
4587 | curs_y = FRAME_CURSOR_Y (f); | |
4588 | } | |
4589 | ||
dc6f92b8 JB |
4590 | /* If cursor is currently being shown and we don't want it to be |
4591 | or it is in the wrong place, | |
4592 | or we want a hollow box and it's not so, (pout!) | |
4593 | erase it. */ | |
f676886a | 4594 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4595 | && (!on |
f676886a JB |
4596 | || f->phys_cursor_x != curs_x |
4597 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 4598 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 4599 | && (f != x_highlight_frame)))) |
dc6f92b8 | 4600 | { |
79cf7456 RS |
4601 | int mouse_face_here = 0; |
4602 | ||
4603 | /* If the cursor is in the mouse face area, redisplay that when | |
4604 | we clear the cursor. */ | |
4605 | if (f == mouse_face_mouse_frame | |
4606 | && | |
4607 | (f->phys_cursor_y > mouse_face_beg_row | |
4608 | || (f->phys_cursor_y == mouse_face_beg_row | |
4609 | && f->phys_cursor_x >= mouse_face_beg_col)) | |
4610 | && | |
4611 | (f->phys_cursor_y < mouse_face_end_row | |
4612 | || (f->phys_cursor_y == mouse_face_end_row | |
4613 | && f->phys_cursor_x < mouse_face_end_col))) | |
4614 | mouse_face_here = 1; | |
4615 | ||
0cdd0c9f RS |
4616 | /* If the font is not as tall as a whole line, |
4617 | we must explicitly clear the line's whole height. */ | |
4618 | if (FONT_HEIGHT (f->display.x->font) != f->display.x->line_height) | |
4619 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
4620 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), | |
4621 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
4622 | FONT_WIDTH (f->display.x->font), | |
4623 | f->display.x->line_height, False); | |
dc6f92b8 | 4624 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4625 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4626 | f->phys_cursor_glyph, | |
79cf7456 RS |
4627 | (mouse_face_here |
4628 | ? 3 | |
4629 | : current_glyphs->highlight[f->phys_cursor_y])); | |
f676886a | 4630 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4631 | } |
4632 | ||
4633 | /* If we want to show a cursor, | |
4634 | or we want a box cursor and it's not so, | |
4635 | write it in the right place. */ | |
4636 | if (on | |
f676886a | 4637 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 4638 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 4639 | && f == x_highlight_frame))) |
dc6f92b8 | 4640 | { |
f676886a | 4641 | f->phys_cursor_glyph |
1113d9db JB |
4642 | = ((current_glyphs->enable[curs_y] |
4643 | && curs_x < current_glyphs->used[curs_y]) | |
4644 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 4645 | : SPACEGLYPH); |
f676886a | 4646 | if (f != x_highlight_frame) |
dc6f92b8 | 4647 | { |
f676886a | 4648 | x_draw_box (f); |
dbc4e1c1 | 4649 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4650 | } |
4651 | else | |
4652 | { | |
f676886a JB |
4653 | x_draw_single_glyph (f, curs_y, curs_x, |
4654 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 4655 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4656 | } |
4657 | ||
f676886a JB |
4658 | f->phys_cursor_x = curs_x; |
4659 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
4660 | } |
4661 | ||
f676886a | 4662 | if (updating_frame != f) |
dc6f92b8 JB |
4663 | XFlushQueue (); |
4664 | } | |
4665 | ||
f676886a JB |
4666 | x_display_cursor (f, on) |
4667 | struct frame *f; | |
dc6f92b8 JB |
4668 | int on; |
4669 | { | |
f94397b5 KH |
4670 | BLOCK_INPUT; |
4671 | ||
dbc4e1c1 | 4672 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 4673 | x_display_box_cursor (f, on); |
dbc4e1c1 | 4674 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 4675 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
4676 | else |
4677 | /* Those are the only two we have implemented! */ | |
4678 | abort (); | |
f94397b5 KH |
4679 | |
4680 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4681 | } |
4682 | \f | |
4683 | /* Icons. */ | |
4684 | ||
f676886a | 4685 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4686 | when we get an expose event for it. */ |
4687 | ||
f676886a JB |
4688 | refreshicon (f) |
4689 | struct frame *f; | |
dc6f92b8 JB |
4690 | { |
4691 | #ifdef HAVE_X11 | |
4692 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 4693 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4694 | int mask; |
4695 | ||
f676886a JB |
4696 | if (f->display.x->icon_bitmap_flag) |
4697 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
4698 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
4699 | icon_bitmap, GXcopy, AllPlanes); | |
4700 | else | |
4701 | { | |
f676886a | 4702 | extern struct frame *selected_frame; |
dc6f92b8 JB |
4703 | struct Lisp_String *str; |
4704 | unsigned char *string; | |
4705 | ||
4706 | string | |
f676886a | 4707 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 4708 | |
f676886a | 4709 | if (f->display.x->icon_label != string) |
dc6f92b8 | 4710 | { |
f676886a JB |
4711 | f->display.x->icon_label = string; |
4712 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
4713 | XQueryWidth (string, icon_font_info->id) + 10, |
4714 | icon_font_info->height + 10); | |
4715 | } | |
4716 | ||
f676886a | 4717 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
4718 | str->size, icon_font_info->id, |
4719 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
4720 | } | |
4721 | XFlushQueue (); | |
c118dd06 | 4722 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4723 | } |
4724 | ||
dbc4e1c1 | 4725 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4726 | |
4727 | int | |
f676886a JB |
4728 | x_bitmap_icon (f) |
4729 | struct frame *f; | |
dc6f92b8 JB |
4730 | { |
4731 | int mask; | |
4732 | Window icon_window; | |
4733 | ||
c118dd06 | 4734 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4735 | return 1; |
4736 | ||
4737 | #ifdef HAVE_X11 | |
8583db58 RS |
4738 | if (! icon_bitmap) |
4739 | icon_bitmap = | |
4740 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), | |
4741 | gnu_bits, gnu_width, gnu_height); | |
f676886a JB |
4742 | x_wm_set_icon_pixmap (f, icon_bitmap); |
4743 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 4744 | #else /* ! defined (HAVE_X11) */ |
f676886a | 4745 | if (f->display.x->icon_desc) |
dc6f92b8 | 4746 | { |
c118dd06 | 4747 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 4748 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
4749 | } |
4750 | ||
f676886a | 4751 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
4752 | 0, 0, sink_width, sink_height, |
4753 | 2, WhitePixmap, (Pixmap) NULL); | |
4754 | ||
4755 | if (icon_window == 0) | |
4756 | return 1; | |
4757 | ||
c118dd06 | 4758 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4759 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
4760 | ||
f676886a JB |
4761 | f->display.x->icon_desc = icon_window; |
4762 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
4763 | |
4764 | if (icon_bitmap == 0) | |
4765 | icon_bitmap | |
4766 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 4767 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4768 | |
4769 | return 0; | |
4770 | } | |
4771 | ||
4772 | ||
f676886a | 4773 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
4774 | |
4775 | int | |
f676886a JB |
4776 | x_text_icon (f, icon_name) |
4777 | struct frame *f; | |
dc6f92b8 JB |
4778 | char *icon_name; |
4779 | { | |
4780 | #ifndef HAVE_X11 | |
4781 | int mask; | |
4782 | int width; | |
4783 | Window icon_window; | |
4784 | char *X_DefaultValue; | |
4785 | Bitmap b1; | |
4786 | ||
dc6f92b8 JB |
4787 | #ifndef WhitePixel |
4788 | #define WhitePixel 1 | |
c118dd06 | 4789 | #endif /* WhitePixel */ |
dc6f92b8 JB |
4790 | |
4791 | #ifndef BlackPixel | |
4792 | #define BlackPixel 0 | |
c118dd06 JB |
4793 | #endif /* BlackPixel */ |
4794 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 4795 | |
c118dd06 | 4796 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4797 | return 1; |
4798 | ||
dc6f92b8 JB |
4799 | #ifdef HAVE_X11 |
4800 | if (icon_name) | |
f676886a | 4801 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 4802 | else |
f676886a JB |
4803 | if (! f->display.x->icon_label) |
4804 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 4805 | |
dfeccd2d | 4806 | #if 0 |
c118dd06 | 4807 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4808 | (char *) f->display.x->icon_label); |
dfeccd2d | 4809 | #endif |
dc6f92b8 | 4810 | |
f676886a | 4811 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 4812 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 4813 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
4814 | if (icon_font_info == 0) |
4815 | icon_font_info | |
4816 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 4817 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
4818 | "BodyFont")); |
4819 | ||
f676886a | 4820 | if (f->display.x->icon_desc) |
dc6f92b8 | 4821 | { |
c118dd06 | 4822 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 4823 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
4824 | } |
4825 | ||
4826 | if (icon_name) | |
f676886a | 4827 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 4828 | else |
f676886a JB |
4829 | if (! f->display.x->icon_label) |
4830 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 4831 | |
f676886a JB |
4832 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
4833 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
4834 | f->display.x->left_pos, | |
4835 | f->display.x->top_pos, | |
dc6f92b8 JB |
4836 | width + 10, icon_font_info->height + 10, |
4837 | 2, BlackPixmap, WhitePixmap); | |
4838 | ||
4839 | if (icon_window == 0) | |
4840 | return 1; | |
4841 | ||
c118dd06 | 4842 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4843 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
4844 | ||
f676886a JB |
4845 | f->display.x->icon_desc = icon_window; |
4846 | f->display.x->icon_bitmap_flag = 0; | |
4847 | f->display.x->icon_label = 0; | |
c118dd06 | 4848 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4849 | |
4850 | return 0; | |
4851 | } | |
4852 | \f | |
4746118a JB |
4853 | /* Handling X errors. */ |
4854 | ||
12ba150f JB |
4855 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
4856 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 4857 | |
4746118a | 4858 | static SIGTYPE |
c118dd06 | 4859 | x_connection_closed () |
4746118a JB |
4860 | { |
4861 | if (_Xdebug) | |
4862 | abort (); | |
12ba150f | 4863 | |
1cd2d6d4 | 4864 | shut_down_emacs (0, 1, Qnil); |
12ba150f JB |
4865 | |
4866 | exit (70); | |
4746118a JB |
4867 | } |
4868 | ||
8922af5f JB |
4869 | /* An X error handler which prints an error message and then kills |
4870 | Emacs. This is what's normally installed as Xlib's handler for | |
4871 | protocol errors. */ | |
c118dd06 JB |
4872 | static int |
4873 | x_error_quitter (display, error) | |
4874 | Display *display; | |
4875 | XErrorEvent *error; | |
4876 | { | |
4877 | char buf[256]; | |
dc6f92b8 | 4878 | |
c118dd06 JB |
4879 | /* Note that there is no real way portable across R3/R4 to get the |
4880 | original error handler. */ | |
dc6f92b8 | 4881 | |
c118dd06 JB |
4882 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
4883 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
4884 | buf, error->request_code); | |
dc6f92b8 | 4885 | |
e09f9351 | 4886 | #if 0 |
12ba150f JB |
4887 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4888 | get an X error, so we can figure out why it happened. */ | |
4889 | abort (); | |
e09f9351 | 4890 | #endif |
12ba150f | 4891 | |
c118dd06 | 4892 | x_connection_closed (); |
dc6f92b8 JB |
4893 | } |
4894 | ||
8922af5f JB |
4895 | /* A handler for X IO errors which prints an error message and then |
4896 | kills Emacs. This is what is always installed as Xlib's handler | |
4897 | for I/O errors. */ | |
4898 | static int | |
4899 | x_io_error_quitter (display) | |
4900 | Display *display; | |
4901 | { | |
4902 | fprintf (stderr, "Connection to X server %s lost.\n", | |
4903 | XDisplayName (DisplayString (display))); | |
4904 | ||
e09f9351 | 4905 | #if 0 |
8922af5f JB |
4906 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4907 | get an X error, so we can figure out why it happened. */ | |
4908 | abort (); | |
e09f9351 | 4909 | #endif |
8922af5f JB |
4910 | |
4911 | x_connection_closed (); | |
4912 | } | |
4913 | ||
c118dd06 | 4914 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4915 | static char *x_caught_error_message; |
4916 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4917 | |
4918 | /* An X error handler which stores the error message in | |
4919 | x_caught_error_message. This is what's installed when | |
4920 | x_catch_errors is in effect. */ | |
4921 | static int | |
4922 | x_error_catcher (display, error) | |
4923 | Display *display; | |
4924 | XErrorEvent *error; | |
4925 | { | |
4926 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4927 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4928 | } |
4929 | ||
4930 | ||
4931 | /* Begin trapping X errors. | |
dc6f92b8 | 4932 | |
c118dd06 JB |
4933 | After calling this function, X protocol errors no longer cause |
4934 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4935 | |
c118dd06 JB |
4936 | Calling x_check_errors signals an Emacs error if an X error has |
4937 | occurred since the last call to x_catch_errors or x_check_errors. | |
4938 | ||
4939 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4940 | ||
bc20ebbf | 4941 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4942 | |
4943 | void | |
4944 | x_catch_errors () | |
dc6f92b8 | 4945 | { |
c118dd06 JB |
4946 | /* Make sure any errors from previous requests have been dealt with. */ |
4947 | XSync (x_current_display, False); | |
dc6f92b8 | 4948 | |
c118dd06 | 4949 | /* Set up the error buffer. */ |
60f9aad3 | 4950 | x_caught_error_message |
cef13e55 RS |
4951 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4952 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4953 | |
c118dd06 JB |
4954 | /* Install our little error handler. */ |
4955 | XHandleError (x_error_catcher); | |
4956 | } | |
16bd92ea | 4957 | |
c118dd06 JB |
4958 | /* If any X protocol errors have arrived since the last call to |
4959 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4960 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4961 | |
c118dd06 JB |
4962 | void |
4963 | x_check_errors (format) | |
4964 | char *format; | |
4965 | { | |
4966 | /* Make sure to catch any errors incurred so far. */ | |
4967 | XSync (x_current_display, False); | |
16bd92ea | 4968 | |
cef13e55 | 4969 | if (x_caught_error_message[0]) |
c118dd06 | 4970 | { |
cef13e55 | 4971 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4972 | |
cef13e55 | 4973 | sprintf (buf, format, x_caught_error_message); |
c118dd06 JB |
4974 | x_uncatch_errors (); |
4975 | error (buf); | |
4976 | } | |
4977 | } | |
4978 | ||
b849c413 RS |
4979 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4980 | ||
4981 | int | |
4982 | x_had_errors_p () | |
4983 | { | |
4984 | /* Make sure to catch any errors incurred so far. */ | |
4985 | XSync (x_current_display, False); | |
4986 | ||
4987 | return x_caught_error_message[0] != 0; | |
4988 | } | |
4989 | ||
812361a1 RS |
4990 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4991 | ||
c118dd06 JB |
4992 | void |
4993 | x_uncatch_errors () | |
4994 | { | |
9ac0d9e0 | 4995 | xfree (x_caught_error_message); |
cef13e55 | 4996 | x_caught_error_message = 0; |
c118dd06 | 4997 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
4998 | } |
4999 | ||
dc6f92b8 JB |
5000 | #if 0 |
5001 | static unsigned int x_wire_count; | |
5002 | x_trace_wire () | |
5003 | { | |
5004 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
5005 | } | |
c118dd06 | 5006 | #endif /* ! 0 */ |
dc6f92b8 JB |
5007 | |
5008 | \f | |
f451eb13 JB |
5009 | /* Changing the font of the frame. */ |
5010 | ||
f676886a | 5011 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 5012 | to the font named NEWNAME. This is safe to use |
f676886a | 5013 | even before F has an actual x-window. */ |
dc6f92b8 JB |
5014 | |
5015 | #ifdef HAVE_X11 | |
5016 | ||
2224a5fc RS |
5017 | struct font_info |
5018 | { | |
5019 | XFontStruct *font; | |
5020 | char *name; | |
5021 | }; | |
5022 | ||
dc6f92b8 | 5023 | /* A table of all the fonts we have already loaded. */ |
2224a5fc | 5024 | static struct font_info *x_font_table; |
dc6f92b8 JB |
5025 | |
5026 | /* The current capacity of x_font_table. */ | |
5027 | static int x_font_table_size; | |
5028 | ||
5029 | /* The number of fonts actually stored in x_font_table. | |
5030 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
5031 | 0 <= n_fonts <= x_font_table_size. */ | |
5032 | static int n_fonts; | |
5033 | ||
b5cf7a0e | 5034 | Lisp_Object |
f676886a JB |
5035 | x_new_font (f, fontname) |
5036 | struct frame *f; | |
dc6f92b8 JB |
5037 | register char *fontname; |
5038 | { | |
dc6f92b8 JB |
5039 | int already_loaded; |
5040 | int n_matching_fonts; | |
5041 | XFontStruct *font_info; | |
5042 | char **font_names; | |
5043 | ||
5044 | /* Get a list of all the fonts that match this name. Once we | |
5045 | have a list of matching fonts, we compare them against the fonts | |
5046 | we already have by comparing font ids. */ | |
2224a5fc RS |
5047 | font_names = (char **) XListFonts (x_current_display, fontname, |
5048 | 1024, &n_matching_fonts); | |
0c94f6ee JB |
5049 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
5050 | find any matches; font_names == 0 is the only clue. */ | |
5051 | if (! font_names) | |
5052 | n_matching_fonts = 0; | |
5053 | ||
5835f860 RS |
5054 | /* Don't just give up if n_matching_fonts is 0. |
5055 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
5056 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 5057 | |
90e65f07 | 5058 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
5059 | already_loaded = -1; |
5060 | if (n_matching_fonts != 0) | |
5061 | { | |
5062 | int i, j; | |
dc6f92b8 | 5063 | |
5835f860 RS |
5064 | for (i = 0; i < n_fonts; i++) |
5065 | for (j = 0; j < n_matching_fonts; j++) | |
2224a5fc | 5066 | if (!strcmp (x_font_table[i].name, font_names[j])) |
5835f860 RS |
5067 | { |
5068 | already_loaded = i; | |
5069 | fontname = font_names[j]; | |
5070 | goto found_font; | |
5071 | } | |
5072 | } | |
dc6f92b8 JB |
5073 | found_font: |
5074 | ||
5075 | /* If we have, just return it from the table. */ | |
2224a5fc RS |
5076 | if (already_loaded >= 0) |
5077 | f->display.x->font = x_font_table[already_loaded].font; | |
90e65f07 | 5078 | |
dc6f92b8 JB |
5079 | /* Otherwise, load the font and add it to the table. */ |
5080 | else | |
5081 | { | |
9696f58b | 5082 | int i; |
dc6f92b8 JB |
5083 | XFontStruct *font; |
5084 | ||
9696f58b | 5085 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
5086 | #if 0 |
5087 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
5088 | for (i = 0; i < n_matching_fonts; i++) |
5089 | if (! font_info[i].per_char) | |
5090 | break; | |
f126bd67 JB |
5091 | #else |
5092 | i = 0; | |
5093 | #endif | |
9696f58b | 5094 | |
5835f860 RS |
5095 | /* See comment above. */ |
5096 | if (n_matching_fonts != 0) | |
9696f58b JB |
5097 | fontname = font_names[i]; |
5098 | ||
dc6f92b8 JB |
5099 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
5100 | if (! font) | |
5835f860 | 5101 | { |
2224a5fc | 5102 | /* Free the information from XListFonts. */ |
5835f860 | 5103 | if (n_matching_fonts) |
2224a5fc | 5104 | XFreeFontNames (font_names); |
5835f860 RS |
5105 | return Qnil; |
5106 | } | |
dc6f92b8 JB |
5107 | |
5108 | /* Do we need to create the table? */ | |
5109 | if (x_font_table_size == 0) | |
5110 | { | |
5111 | x_font_table_size = 16; | |
5112 | x_font_table | |
2224a5fc RS |
5113 | = (struct font_info *) xmalloc (x_font_table_size |
5114 | * sizeof (x_font_table[0])); | |
dc6f92b8 JB |
5115 | } |
5116 | /* Do we need to grow the table? */ | |
5117 | else if (n_fonts >= x_font_table_size) | |
5118 | { | |
90e65f07 | 5119 | x_font_table_size *= 2; |
dc6f92b8 | 5120 | x_font_table |
2224a5fc RS |
5121 | = (struct font_info *) xrealloc (x_font_table, |
5122 | (x_font_table_size | |
5123 | * sizeof (x_font_table[0]))); | |
dc6f92b8 JB |
5124 | } |
5125 | ||
dff815ef | 5126 | x_font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); |
2224a5fc RS |
5127 | bcopy (fontname, x_font_table[n_fonts].name, strlen (fontname) + 1); |
5128 | f->display.x->font = x_font_table[n_fonts++].font = font; | |
dc6f92b8 | 5129 | } |
2224a5fc | 5130 | |
f676886a | 5131 | /* Now make the frame display the given font. */ |
c118dd06 | 5132 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 5133 | { |
f676886a JB |
5134 | XSetFont (x_current_display, f->display.x->normal_gc, |
5135 | f->display.x->font->fid); | |
5136 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
5137 | f->display.x->font->fid); | |
5138 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
5139 | f->display.x->font->fid); | |
5140 | ||
a27f9f86 | 5141 | frame_update_line_height (f); |
0134a210 | 5142 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 5143 | } |
a27f9f86 RS |
5144 | else |
5145 | /* If we are setting a new frame's font for the first time, | |
5146 | there are no faces yet, so this font's height is the line height. */ | |
0cdd0c9f | 5147 | f->display.x->line_height = FONT_HEIGHT (f->display.x->font); |
dc6f92b8 | 5148 | |
b5cf7a0e | 5149 | { |
abdda982 | 5150 | Lisp_Object lispy_name; |
b5cf7a0e | 5151 | |
abdda982 | 5152 | lispy_name = build_string (fontname); |
b5cf7a0e | 5153 | |
2224a5fc | 5154 | /* Free the information from XListFonts. The data |
b5cf7a0e | 5155 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 5156 | XFreeFontNames (font_names); |
b5cf7a0e JB |
5157 | |
5158 | return lispy_name; | |
5159 | } | |
dc6f92b8 | 5160 | } |
c118dd06 | 5161 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
5162 | x_new_font (f, newname) |
5163 | struct frame *f; | |
dc6f92b8 JB |
5164 | register char *newname; |
5165 | { | |
5166 | FONT_TYPE *temp; | |
5167 | int mask; | |
5168 | ||
5169 | temp = XGetFont (newname); | |
5170 | if (temp == (FONT_TYPE *) 0) | |
5171 | return 1; | |
5172 | ||
f676886a JB |
5173 | if (f->display.x->font) |
5174 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 5175 | |
f676886a | 5176 | f->display.x->font = temp; |
dc6f92b8 | 5177 | |
c118dd06 | 5178 | if (FRAME_X_WINDOW (f) != 0) |
bc20ebbf | 5179 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 JB |
5180 | |
5181 | return 0; | |
5182 | } | |
c118dd06 | 5183 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5184 | \f |
43bca5d5 | 5185 | x_calc_absolute_position (f) |
f676886a | 5186 | struct frame *f; |
dc6f92b8 JB |
5187 | { |
5188 | #ifdef HAVE_X11 | |
6dba1858 RS |
5189 | Window win, child; |
5190 | int win_x = 0, win_y = 0; | |
43bca5d5 | 5191 | int flags = f->display.x->size_hint_flags; |
6dba1858 RS |
5192 | |
5193 | /* Find the position of the outside upper-left corner of | |
5194 | the inner window, with respect to the outer window. */ | |
5195 | if (f->display.x->parent_desc != ROOT_WINDOW) | |
5196 | { | |
5197 | BLOCK_INPUT; | |
5198 | XTranslateCoordinates (x_current_display, | |
5199 | ||
5200 | /* From-window, to-window. */ | |
5201 | f->display.x->window_desc, | |
5202 | f->display.x->parent_desc, | |
5203 | ||
5204 | /* From-position, to-position. */ | |
5205 | 0, 0, &win_x, &win_y, | |
5206 | ||
5207 | /* Child of win. */ | |
5208 | &child); | |
5209 | UNBLOCK_INPUT; | |
5210 | } | |
5211 | ||
5212 | /* Treat negative positions as relative to the leftmost bottommost | |
5213 | position that fits on the screen. */ | |
20f55f9a | 5214 | if (flags & XNegative) |
31ea78fd | 5215 | f->display.x->left_pos = (x_screen_width |
69388238 | 5216 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
5217 | - PIXEL_WIDTH (f) |
5218 | + f->display.x->left_pos); | |
dc6f92b8 | 5219 | |
20f55f9a | 5220 | if (flags & YNegative) |
31ea78fd | 5221 | f->display.x->top_pos = (x_screen_height |
69388238 | 5222 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
5223 | - PIXEL_HEIGHT (f) |
5224 | + f->display.x->top_pos); | |
3a35ab44 RS |
5225 | /* The left_pos and top_pos |
5226 | are now relative to the top and left screen edges, | |
5227 | so the flags should correspond. */ | |
5228 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
c118dd06 | 5229 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5230 | WINDOWINFO_TYPE parentinfo; |
5231 | ||
c118dd06 | 5232 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 5233 | |
f676886a JB |
5234 | if (f->display.x->left_pos < 0) |
5235 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
5236 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 5237 | |
f676886a JB |
5238 | if (f->display.x->top_pos < 0) |
5239 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
5240 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 5241 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5242 | } |
5243 | ||
3a35ab44 RS |
5244 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
5245 | to really change the position, and 0 when calling from | |
5246 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
5247 | position values). */ | |
5248 | ||
dc05a16b | 5249 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 5250 | struct frame *f; |
dc6f92b8 | 5251 | register int xoff, yoff; |
dc05a16b | 5252 | int change_gravity; |
dc6f92b8 | 5253 | { |
3a35ab44 RS |
5254 | if (change_gravity) |
5255 | { | |
5256 | f->display.x->top_pos = yoff; | |
5257 | f->display.x->left_pos = xoff; | |
5258 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
5259 | if (xoff < 0) | |
5260 | f->display.x->size_hint_flags |= XNegative; | |
5261 | if (yoff < 0) | |
5262 | f->display.x->size_hint_flags |= YNegative; | |
5263 | f->display.x->win_gravity = NorthWestGravity; | |
5264 | } | |
43bca5d5 | 5265 | x_calc_absolute_position (f); |
dc6f92b8 JB |
5266 | |
5267 | BLOCK_INPUT; | |
3a35ab44 RS |
5268 | x_wm_set_size_hint (f, 0, 0); |
5269 | ||
3afe33e7 RS |
5270 | #ifdef USE_X_TOOLKIT |
5271 | XMoveWindow (XDISPLAY XtWindow (f->display.x->widget), | |
5272 | f->display.x->left_pos, f->display.x->top_pos); | |
5273 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5274 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 5275 | f->display.x->left_pos, f->display.x->top_pos); |
3afe33e7 | 5276 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5277 | UNBLOCK_INPUT; |
5278 | } | |
5279 | ||
bc20ebbf FP |
5280 | /* Call this to change the size of frame F's x-window. |
5281 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
5282 | for this size change and subsequent size changes. | |
5283 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 5284 | |
bc20ebbf | 5285 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 5286 | struct frame *f; |
bc20ebbf | 5287 | int change_gravity; |
b1c884c3 | 5288 | int cols, rows; |
dc6f92b8 JB |
5289 | { |
5290 | int pixelwidth, pixelheight; | |
5291 | int mask; | |
dc6f92b8 | 5292 | |
80fd1fe2 FP |
5293 | #ifdef USE_X_TOOLKIT |
5294 | BLOCK_INPUT; | |
3a20653d RS |
5295 | { |
5296 | /* The x and y position of the widget is clobbered by the | |
5297 | call to XtSetValues within EmacsFrameSetCharSize. | |
5298 | This is a real kludge, but I don't understand Xt so I can't | |
5299 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
5300 | int xpos = f->display.x->widget->core.x; | |
5301 | int ypos = f->display.x->widget->core.y; | |
5302 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
5303 | f->display.x->widget->core.x = xpos; | |
5304 | f->display.x->widget->core.y = ypos; | |
5305 | } | |
80fd1fe2 FP |
5306 | UNBLOCK_INPUT; |
5307 | ||
5308 | #else /* not USE_X_TOOLKIT */ | |
5309 | ||
dc6f92b8 JB |
5310 | BLOCK_INPUT; |
5311 | ||
b1c884c3 | 5312 | check_frame_size (f, &rows, &cols); |
6dba1858 RS |
5313 | f->display.x->vertical_scroll_bar_extra |
5314 | = (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
5315 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
5316 | : 0); | |
f451eb13 JB |
5317 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
5318 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
5319 | |
5320 | #ifdef HAVE_X11 | |
af31d76f RS |
5321 | f->display.x->win_gravity = NorthWestGravity; |
5322 | x_wm_set_size_hint (f, 0, 0); | |
c118dd06 | 5323 | #endif /* ! defined (HAVE_X11) */ |
0cdd0c9f | 5324 | XSync (x_current_display, False); |
c118dd06 | 5325 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); |
b1c884c3 JB |
5326 | |
5327 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
5328 | but the window manager will get around to dealing with the size | |
5329 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
5330 | ConfigureNotify event gets here. |
5331 | ||
5332 | We could just not bother storing any of this information here, | |
5333 | and let the ConfigureNotify event set everything up, but that | |
5334 | might be kind of confusing to the lisp code, since size changes | |
5335 | wouldn't be reported in the frame parameters until some random | |
5336 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 5337 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
5338 | PIXEL_WIDTH (f) = pixelwidth; |
5339 | PIXEL_HEIGHT (f) = pixelheight; | |
5340 | ||
4d73d038 RS |
5341 | /* If cursor was outside the new size, mark it as off. */ |
5342 | if (f->phys_cursor_y >= rows | |
5343 | || f->phys_cursor_x >= cols) | |
5344 | { | |
5345 | f->phys_cursor_x = -1; | |
5346 | f->phys_cursor_y = -1; | |
5347 | } | |
5348 | ||
dbc4e1c1 JB |
5349 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
5350 | receive in the ConfigureNotify event; if we get what we asked | |
5351 | for, then the event won't cause the screen to become garbaged, so | |
5352 | we have to make sure to do it here. */ | |
5353 | SET_FRAME_GARBAGED (f); | |
5354 | ||
dc6f92b8 JB |
5355 | XFlushQueue (); |
5356 | UNBLOCK_INPUT; | |
80fd1fe2 | 5357 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5358 | } |
5359 | ||
5360 | #ifndef HAVE_X11 | |
f676886a JB |
5361 | x_set_resize_hint (f) |
5362 | struct frame *f; | |
dc6f92b8 | 5363 | { |
12ba150f JB |
5364 | XSetResizeHint (FRAME_X_WINDOW (f), |
5365 | 2 * f->display.x->internal_border_width, | |
f676886a | 5366 | 2 * f->display.x->internal_border_width, |
12ba150f | 5367 | FONT_WIDTH (f->display.x->font), |
a27f9f86 | 5368 | f->display.x->line_height); |
dc6f92b8 | 5369 | } |
c118dd06 | 5370 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5371 | \f |
f451eb13 | 5372 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 5373 | |
9b378208 | 5374 | void |
f676886a JB |
5375 | x_set_mouse_position (f, x, y) |
5376 | struct frame *f; | |
dc6f92b8 JB |
5377 | int x, y; |
5378 | { | |
5379 | int pix_x, pix_y; | |
5380 | ||
12ba150f | 5381 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
a27f9f86 | 5382 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->display.x->line_height / 2; |
f451eb13 JB |
5383 | |
5384 | if (pix_x < 0) pix_x = 0; | |
5385 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
5386 | ||
5387 | if (pix_y < 0) pix_y = 0; | |
5388 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
5389 | |
5390 | BLOCK_INPUT; | |
dc6f92b8 | 5391 | |
c118dd06 | 5392 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
5393 | UNBLOCK_INPUT; |
5394 | } | |
5395 | ||
9b378208 RS |
5396 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
5397 | ||
5398 | void | |
5399 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
5400 | struct frame *f; | |
5401 | int pix_x, pix_y; | |
5402 | { | |
5403 | BLOCK_INPUT; | |
5404 | ||
5405 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); | |
5406 | UNBLOCK_INPUT; | |
5407 | } | |
5408 | ||
dc6f92b8 | 5409 | #ifdef HAVE_X11 |
f676886a JB |
5410 | x_focus_on_frame (f) |
5411 | struct frame *f; | |
dc6f92b8 | 5412 | { |
1fb20991 | 5413 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 5414 | x_raise_frame (f); |
1fb20991 | 5415 | #endif |
6d4238f3 JB |
5416 | #if 0 |
5417 | /* I don't think that the ICCCM allows programs to do things like this | |
5418 | without the interaction of the window manager. Whatever you end up | |
f676886a | 5419 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 5420 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 5421 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5422 | #endif /* ! 0 */ |
dc6f92b8 JB |
5423 | } |
5424 | ||
f676886a JB |
5425 | x_unfocus_frame (f) |
5426 | struct frame *f; | |
dc6f92b8 | 5427 | { |
6d4238f3 | 5428 | #if 0 |
f676886a JB |
5429 | /* Look at the remarks in x_focus_on_frame. */ |
5430 | if (x_focus_frame == f) | |
dc6f92b8 JB |
5431 | XSetInputFocus (x_current_display, PointerRoot, |
5432 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 5433 | #endif /* ! 0 */ |
dc6f92b8 JB |
5434 | } |
5435 | ||
c118dd06 | 5436 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5437 | |
f676886a | 5438 | /* Raise frame F. */ |
dc6f92b8 | 5439 | |
f676886a JB |
5440 | x_raise_frame (f) |
5441 | struct frame *f; | |
dc6f92b8 | 5442 | { |
3a88c238 | 5443 | if (f->async_visible) |
dc6f92b8 JB |
5444 | { |
5445 | BLOCK_INPUT; | |
3afe33e7 RS |
5446 | #ifdef USE_X_TOOLKIT |
5447 | XRaiseWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
5448 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5449 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5450 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5451 | XFlushQueue (); |
5452 | UNBLOCK_INPUT; | |
5453 | } | |
5454 | } | |
5455 | ||
f676886a | 5456 | /* Lower frame F. */ |
dc6f92b8 | 5457 | |
f676886a JB |
5458 | x_lower_frame (f) |
5459 | struct frame *f; | |
dc6f92b8 | 5460 | { |
3a88c238 | 5461 | if (f->async_visible) |
dc6f92b8 JB |
5462 | { |
5463 | BLOCK_INPUT; | |
3afe33e7 RS |
5464 | #ifdef USE_X_TOOLKIT |
5465 | XLowerWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
5466 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5467 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5468 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5469 | XFlushQueue (); |
5470 | UNBLOCK_INPUT; | |
5471 | } | |
5472 | } | |
5473 | ||
dbc4e1c1 JB |
5474 | static void |
5475 | XTframe_raise_lower (f, raise) | |
5476 | FRAME_PTR f; | |
5477 | int raise; | |
5478 | { | |
5479 | if (raise) | |
5480 | x_raise_frame (f); | |
5481 | else | |
5482 | x_lower_frame (f); | |
5483 | } | |
5484 | ||
5485 | ||
fd13dbb2 RS |
5486 | /* Change from withdrawn state to mapped state, |
5487 | or deiconify. */ | |
dc6f92b8 | 5488 | |
f676886a JB |
5489 | x_make_frame_visible (f) |
5490 | struct frame *f; | |
dc6f92b8 JB |
5491 | { |
5492 | int mask; | |
5493 | ||
dc6f92b8 | 5494 | BLOCK_INPUT; |
dc6f92b8 | 5495 | |
f676886a | 5496 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
5497 | { |
5498 | #ifdef HAVE_X11 | |
af31d76f | 5499 | #ifndef USE_X_TOOLKIT |
fd13dbb2 RS |
5500 | if (! FRAME_ICONIFIED_P (f)) |
5501 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
af31d76f | 5502 | #endif |
dc05a16b | 5503 | |
90e65f07 | 5504 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 5505 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 5506 | #ifdef USE_X_TOOLKIT |
d7a38a2e RS |
5507 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
5508 | XtMapWidget (f->display.x->widget); | |
3afe33e7 | 5509 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5510 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5511 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
5512 | #if 0 /* This seems to bring back scroll bars in the wrong places |
5513 | if the window configuration has changed. They seem | |
5514 | to come back ok without this. */ | |
ab648270 | 5515 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 | 5516 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
0134a210 | 5517 | #endif |
c118dd06 JB |
5518 | #else /* ! defined (HAVE_X11) */ |
5519 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
5520 | if (f->display.x->icon_desc != 0) |
5521 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 5522 | |
90e65f07 | 5523 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
5524 | f->async_visible = 1; |
5525 | f->async_iconified = 0; | |
dc6f92b8 | 5526 | |
f676886a | 5527 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 5528 | XTcursor_to (0, 0); |
c118dd06 | 5529 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 5530 | } |
dc6f92b8 | 5531 | |
dc6f92b8 | 5532 | XFlushQueue (); |
90e65f07 | 5533 | |
dc6f92b8 JB |
5534 | UNBLOCK_INPUT; |
5535 | } | |
5536 | ||
5537 | /* Change from mapped state to withdrawn state. */ | |
5538 | ||
f676886a JB |
5539 | x_make_frame_invisible (f) |
5540 | struct frame *f; | |
dc6f92b8 JB |
5541 | { |
5542 | int mask; | |
546e6d5b RS |
5543 | Window window; |
5544 | ||
5545 | #ifdef USE_X_TOOLKIT | |
5546 | /* Use the frame's outermost window, not the one we normally draw on. */ | |
5547 | window = XtWindow (f->display.x->widget); | |
5548 | #else /* not USE_X_TOOLKIT */ | |
5549 | window = FRAME_X_WINDOW (f); | |
5550 | #endif /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5551 | |
9319ae23 RS |
5552 | /* Don't keep the highlight on an invisible frame. */ |
5553 | if (x_highlight_frame == f) | |
5554 | x_highlight_frame = 0; | |
5555 | ||
5627c40e | 5556 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5557 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5558 | return; |
5627c40e | 5559 | #endif |
dc6f92b8 JB |
5560 | |
5561 | BLOCK_INPUT; | |
c118dd06 | 5562 | |
af31d76f RS |
5563 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
5564 | that the current position of the window is user-specified, rather than | |
5565 | program-specified, so that when the window is mapped again, it will be | |
5566 | placed at the same location, without forcing the user to position it | |
5567 | by hand again (they have already done that once for this window.) */ | |
5568 | x_wm_set_size_hint (f, 0, 1); | |
5569 | ||
c118dd06 JB |
5570 | #ifdef HAVE_X11R4 |
5571 | ||
546e6d5b | 5572 | if (! XWithdrawWindow (x_current_display, window, |
c118dd06 JB |
5573 | DefaultScreen (x_current_display))) |
5574 | { | |
5575 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5576 | error ("Can't notify window manager of window withdrawal"); |
c118dd06 | 5577 | } |
c118dd06 | 5578 | #else /* ! defined (HAVE_X11R4) */ |
dc6f92b8 | 5579 | #ifdef HAVE_X11 |
16bd92ea | 5580 | |
c118dd06 | 5581 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5582 | if (! EQ (Vx_no_window_manager, Qt)) |
5583 | { | |
16bd92ea | 5584 | XEvent unmap; |
dc6f92b8 | 5585 | |
16bd92ea | 5586 | unmap.xunmap.type = UnmapNotify; |
546e6d5b | 5587 | unmap.xunmap.window = window; |
16bd92ea JB |
5588 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
5589 | unmap.xunmap.from_configure = False; | |
5590 | if (! XSendEvent (x_current_display, | |
5591 | DefaultRootWindow (x_current_display), | |
5592 | False, | |
5593 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5594 | &unmap)) | |
5595 | { | |
5596 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5597 | error ("Can't notify window manager of withdrawal"); |
16bd92ea | 5598 | } |
dc6f92b8 JB |
5599 | } |
5600 | ||
16bd92ea | 5601 | /* Unmap the window ourselves. Cheeky! */ |
546e6d5b | 5602 | XUnmapWindow (x_current_display, window); |
c118dd06 | 5603 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5604 | |
c118dd06 | 5605 | XUnmapWindow (FRAME_X_WINDOW (f)); |
f676886a | 5606 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
5607 | XUnmapWindow (f->display.x->icon_desc); |
5608 | ||
5609 | #endif /* ! defined (HAVE_X11) */ | |
5610 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 5611 | |
5627c40e RS |
5612 | /* We can't distinguish this from iconification |
5613 | just by the event that we get from the server. | |
5614 | So we can't win using the usual strategy of letting | |
5615 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5616 | and synchronize with the server to make sure we agree. */ | |
5617 | f->visible = 0; | |
5618 | FRAME_ICONIFIED_P (f) = 0; | |
5619 | f->async_visible = 0; | |
5620 | f->async_iconified = 0; | |
5621 | ||
5622 | x_sync (); | |
5623 | ||
dc6f92b8 JB |
5624 | UNBLOCK_INPUT; |
5625 | } | |
5626 | ||
dc6f92b8 JB |
5627 | /* Change window state from mapped to iconified. */ |
5628 | ||
f676886a JB |
5629 | x_iconify_frame (f) |
5630 | struct frame *f; | |
dc6f92b8 JB |
5631 | { |
5632 | int mask; | |
3afe33e7 | 5633 | int result; |
dc6f92b8 | 5634 | |
9319ae23 RS |
5635 | /* Don't keep the highlight on an invisible frame. */ |
5636 | if (x_highlight_frame == f) | |
5637 | x_highlight_frame = 0; | |
5638 | ||
3a88c238 | 5639 | if (f->async_iconified) |
dc6f92b8 JB |
5640 | return; |
5641 | ||
3afe33e7 RS |
5642 | #ifdef USE_X_TOOLKIT |
5643 | BLOCK_INPUT; | |
546e6d5b RS |
5644 | |
5645 | if (! FRAME_VISIBLE_P (f)) | |
5646 | { | |
5647 | if (! EQ (Vx_no_window_manager, Qt)) | |
5648 | x_wm_set_window_state (f, IconicState); | |
5649 | /* This was XtPopup, but that did nothing for an iconified frame. */ | |
5650 | XtMapWidget (f->display.x->widget); | |
5651 | UNBLOCK_INPUT; | |
5652 | return; | |
5653 | } | |
5654 | ||
3afe33e7 | 5655 | result = XIconifyWindow (x_current_display, |
bc20ebbf | 5656 | XtWindow (f->display.x->widget), |
3afe33e7 RS |
5657 | DefaultScreen (x_current_display)); |
5658 | UNBLOCK_INPUT; | |
5659 | ||
5660 | if (!result) | |
546e6d5b | 5661 | error ("Can't notify window manager of iconification"); |
3afe33e7 RS |
5662 | |
5663 | f->async_iconified = 1; | |
8c002a25 KH |
5664 | |
5665 | BLOCK_INPUT; | |
5666 | XFlushQueue (); | |
5667 | UNBLOCK_INPUT; | |
3afe33e7 RS |
5668 | #else /* not USE_X_TOOLKIT */ |
5669 | ||
dc6f92b8 JB |
5670 | BLOCK_INPUT; |
5671 | ||
5672 | #ifdef HAVE_X11 | |
fd13dbb2 RS |
5673 | /* Make sure the X server knows where the window should be positioned, |
5674 | in case the user deiconifies with the window manager. */ | |
5675 | if (! FRAME_VISIBLE_P (f) && !FRAME_ICONIFIED_P (f)) | |
5676 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); | |
5677 | ||
16bd92ea JB |
5678 | /* Since we don't know which revision of X we're running, we'll use both |
5679 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5680 | ||
5681 | /* X11R4: send a ClientMessage to the window manager using the | |
5682 | WM_CHANGE_STATE type. */ | |
5683 | { | |
5684 | XEvent message; | |
5685 | ||
c118dd06 | 5686 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
5687 | message.xclient.type = ClientMessage; |
5688 | message.xclient.message_type = Xatom_wm_change_state; | |
5689 | message.xclient.format = 32; | |
5690 | message.xclient.data.l[0] = IconicState; | |
5691 | ||
5692 | if (! XSendEvent (x_current_display, | |
5693 | DefaultRootWindow (x_current_display), | |
5694 | False, | |
5695 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5696 | &message)) | |
dc6f92b8 JB |
5697 | { |
5698 | UNBLOCK_INPUT_RESIGNAL; | |
546e6d5b | 5699 | error ("Can't notify window manager of iconification"); |
dc6f92b8 | 5700 | } |
16bd92ea | 5701 | } |
dc6f92b8 | 5702 | |
16bd92ea JB |
5703 | /* X11R3: set the initial_state field of the window manager hints to |
5704 | IconicState. */ | |
5705 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5706 | |
a9c00105 RS |
5707 | if (!FRAME_VISIBLE_P (f)) |
5708 | { | |
5709 | /* If the frame was withdrawn, before, we must map it. */ | |
5710 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
0134a210 | 5711 | #if 0 /* We don't have subwindows in the icon. */ |
a9c00105 RS |
5712 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
5713 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); | |
0134a210 | 5714 | #endif |
a9c00105 RS |
5715 | } |
5716 | ||
3a88c238 | 5717 | f->async_iconified = 1; |
c118dd06 JB |
5718 | #else /* ! defined (HAVE_X11) */ |
5719 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 5720 | |
3a88c238 | 5721 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 5722 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 5723 | { |
f676886a JB |
5724 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
5725 | refreshicon (f); | |
dc6f92b8 | 5726 | } |
c118dd06 | 5727 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5728 | |
5729 | XFlushQueue (); | |
5730 | UNBLOCK_INPUT; | |
8c002a25 | 5731 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5732 | } |
5733 | ||
c0ff3fab | 5734 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5735 | |
c0ff3fab | 5736 | x_destroy_window (f) |
f676886a | 5737 | struct frame *f; |
dc6f92b8 | 5738 | { |
dc6f92b8 | 5739 | BLOCK_INPUT; |
c0ff3fab JB |
5740 | |
5741 | if (f->display.x->icon_desc != 0) | |
5742 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
5743 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
3afe33e7 RS |
5744 | #ifdef USE_X_TOOLKIT |
5745 | XtDestroyWidget (f->display.x->widget); | |
9d7e2e3e | 5746 | free_frame_menubar (f); |
3afe33e7 RS |
5747 | #endif /* USE_X_TOOLKIT */ |
5748 | ||
07e34cb0 | 5749 | free_frame_faces (f); |
dc6f92b8 | 5750 | XFlushQueue (); |
dc6f92b8 | 5751 | |
9ac0d9e0 | 5752 | xfree (f->display.x); |
c0ff3fab | 5753 | f->display.x = 0; |
f676886a JB |
5754 | if (f == x_focus_frame) |
5755 | x_focus_frame = 0; | |
5756 | if (f == x_highlight_frame) | |
5757 | x_highlight_frame = 0; | |
c0ff3fab | 5758 | |
0134a210 | 5759 | if (f == mouse_face_mouse_frame) |
dc05a16b | 5760 | { |
3b506386 KH |
5761 | mouse_face_beg_row = mouse_face_beg_col = -1; |
5762 | mouse_face_end_row = mouse_face_end_col = -1; | |
dc05a16b RS |
5763 | mouse_face_window = Qnil; |
5764 | } | |
0134a210 | 5765 | |
c0ff3fab | 5766 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5767 | } |
5768 | \f | |
f451eb13 JB |
5769 | /* Manage event queues for X10. */ |
5770 | ||
dc6f92b8 JB |
5771 | #ifndef HAVE_X11 |
5772 | ||
5773 | /* Manage event queues. | |
5774 | ||
5775 | This code is only used by the X10 support. | |
5776 | ||
5777 | We cannot leave events in the X queue and get them when we are ready | |
5778 | because X does not provide a subroutine to get only a certain kind | |
5779 | of event but not block if there are no queued events of that kind. | |
5780 | ||
5781 | Therefore, we must examine events as they come in and copy events | |
5782 | of certain kinds into our private queues. | |
5783 | ||
5784 | All ExposeRegion events are put in x_expose_queue. | |
69388238 | 5785 | All ButtonPress and ButtonRelease events are put in x_mouse_queue. */ |
dc6f92b8 JB |
5786 | |
5787 | ||
5788 | /* Write the event *P_XREP into the event queue *QUEUE. | |
5789 | If the queue is full, do nothing, but return nonzero. */ | |
5790 | ||
5791 | int | |
5792 | enqueue_event (p_xrep, queue) | |
5793 | register XEvent *p_xrep; | |
5794 | register struct event_queue *queue; | |
5795 | { | |
5796 | int newindex = queue->windex + 1; | |
5797 | if (newindex == EVENT_BUFFER_SIZE) | |
5798 | newindex = 0; | |
5799 | if (newindex == queue->rindex) | |
5800 | return -1; | |
5801 | queue->xrep[queue->windex] = *p_xrep; | |
5802 | queue->windex = newindex; | |
5803 | return 0; | |
5804 | } | |
5805 | ||
5806 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
5807 | If *QUEUE is empty, do nothing and return 0. */ | |
5808 | ||
5809 | int | |
5810 | dequeue_event (p_xrep, queue) | |
5811 | register XEvent *p_xrep; | |
5812 | register struct event_queue *queue; | |
5813 | { | |
5814 | if (queue->windex == queue->rindex) | |
5815 | return 0; | |
5816 | *p_xrep = queue->xrep[queue->rindex++]; | |
5817 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
5818 | queue->rindex = 0; | |
5819 | return 1; | |
5820 | } | |
5821 | ||
5822 | /* Return the number of events buffered in *QUEUE. */ | |
5823 | ||
5824 | int | |
5825 | queue_event_count (queue) | |
5826 | register struct event_queue *queue; | |
5827 | { | |
5828 | int tem = queue->windex - queue->rindex; | |
5829 | if (tem >= 0) | |
5830 | return tem; | |
5831 | return EVENT_BUFFER_SIZE + tem; | |
5832 | } | |
5833 | ||
5834 | /* Return nonzero if mouse input is pending. */ | |
5835 | ||
5836 | int | |
5837 | mouse_event_pending_p () | |
5838 | { | |
5839 | return queue_event_count (&x_mouse_queue); | |
5840 | } | |
c118dd06 | 5841 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5842 | \f |
f451eb13 JB |
5843 | /* Setting window manager hints. */ |
5844 | ||
dc6f92b8 JB |
5845 | #ifdef HAVE_X11 |
5846 | ||
af31d76f RS |
5847 | /* Set the normal size hints for the window manager, for frame F. |
5848 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5849 | that the window now has. | |
5850 | If USER_POSITION is nonzero, we set the USPosition | |
5851 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5852 | |
af31d76f | 5853 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5854 | struct frame *f; |
af31d76f RS |
5855 | long flags; |
5856 | int user_position; | |
dc6f92b8 JB |
5857 | { |
5858 | XSizeHints size_hints; | |
3afe33e7 RS |
5859 | |
5860 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5861 | Arg al[2]; |
5862 | int ac = 0; | |
5863 | Dimension widget_width, widget_height; | |
bc20ebbf | 5864 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5865 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5866 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5867 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5868 | |
b72a58fd RS |
5869 | /* Setting PMaxSize caused various problems. */ |
5870 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5871 | |
f676886a JB |
5872 | flexlines = f->height; |
5873 | ||
5874 | size_hints.x = f->display.x->left_pos; | |
5875 | size_hints.y = f->display.x->top_pos; | |
7553a6b7 | 5876 | |
7e4f2521 FP |
5877 | #ifdef USE_X_TOOLKIT |
5878 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5879 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
5880 | XtGetValues (f->display.x->column_widget, al, ac); | |
5881 | size_hints.height = widget_height; | |
5882 | size_hints.width = widget_width; | |
5883 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5884 | size_hints.height = PIXEL_HEIGHT (f); |
5885 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5886 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5887 | |
f676886a | 5888 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 5889 | size_hints.height_inc = f->display.x->line_height; |
7553a6b7 RS |
5890 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
5891 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5892 | |
b1c884c3 | 5893 | { |
b0342f17 | 5894 | int base_width, base_height; |
0134a210 | 5895 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5896 | |
f451eb13 JB |
5897 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5898 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5899 | |
0134a210 | 5900 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5901 | |
0134a210 RS |
5902 | /* The window manager uses the base width hints to calculate the |
5903 | current number of rows and columns in the frame while | |
5904 | resizing; min_width and min_height aren't useful for this | |
5905 | purpose, since they might not give the dimensions for a | |
5906 | zero-row, zero-column frame. | |
5907 | ||
5908 | We use the base_width and base_height members if we have | |
5909 | them; otherwise, we set the min_width and min_height members | |
5910 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5911 | |
5912 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5913 | size_hints.flags |= PBaseSize; |
5914 | size_hints.base_width = base_width; | |
5915 | size_hints.base_height = base_height; | |
5916 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5917 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5918 | #else |
0134a210 RS |
5919 | size_hints.min_width = base_width; |
5920 | size_hints.min_height = base_height; | |
b0342f17 | 5921 | #endif |
b1c884c3 | 5922 | } |
dc6f92b8 | 5923 | |
af31d76f RS |
5924 | if (flags) |
5925 | size_hints.flags |= flags; | |
dc6f92b8 JB |
5926 | else |
5927 | { | |
5928 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
af31d76f RS |
5929 | long supplied_return; |
5930 | int value; | |
5931 | ||
5932 | #ifdef HAVE_X11R4 | |
5933 | value = XGetWMNormalHints (x_current_display, window, &hints, | |
5934 | &supplied_return); | |
5935 | #else | |
5936 | value = XGetNormalHints (x_current_display, window, &hints); | |
5937 | #endif | |
dc6f92b8 | 5938 | |
af31d76f | 5939 | if (value == 0) |
82ee0df4 | 5940 | hints.flags = 0; |
dc6f92b8 JB |
5941 | if (hints.flags & PSize) |
5942 | size_hints.flags |= PSize; | |
5943 | if (hints.flags & PPosition) | |
5944 | size_hints.flags |= PPosition; | |
5945 | if (hints.flags & USPosition) | |
5946 | size_hints.flags |= USPosition; | |
5947 | if (hints.flags & USSize) | |
5948 | size_hints.flags |= USSize; | |
5949 | } | |
0134a210 | 5950 | |
af31d76f | 5951 | #ifdef PWinGravity |
dc05a16b | 5952 | size_hints.win_gravity = f->display.x->win_gravity; |
af31d76f | 5953 | size_hints.flags |= PWinGravity; |
dc05a16b | 5954 | |
af31d76f | 5955 | if (user_position) |
6dba1858 | 5956 | { |
af31d76f RS |
5957 | size_hints.flags &= ~ PPosition; |
5958 | size_hints.flags |= USPosition; | |
6dba1858 | 5959 | } |
2554751d | 5960 | #endif /* PWinGravity */ |
6dba1858 | 5961 | |
b0342f17 JB |
5962 | #ifdef HAVE_X11R4 |
5963 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
5964 | #else | |
dc6f92b8 | 5965 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 5966 | #endif |
dc6f92b8 JB |
5967 | } |
5968 | ||
5969 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5970 | x_wm_set_window_state (f, state) |
5971 | struct frame *f; | |
dc6f92b8 JB |
5972 | int state; |
5973 | { | |
3afe33e7 | 5974 | #ifdef USE_X_TOOLKIT |
546e6d5b RS |
5975 | Arg al[1]; |
5976 | ||
5977 | XtSetArg (al[0], XtNinitialState, state); | |
5978 | XtSetValues (f->display.x->widget, al, 1); | |
3afe33e7 | 5979 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5980 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5981 | |
16bd92ea JB |
5982 | f->display.x->wm_hints.flags |= StateHint; |
5983 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 5984 | |
16bd92ea | 5985 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
546e6d5b | 5986 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5987 | } |
5988 | ||
f676886a JB |
5989 | x_wm_set_icon_pixmap (f, icon_pixmap) |
5990 | struct frame *f; | |
dc6f92b8 JB |
5991 | Pixmap icon_pixmap; |
5992 | { | |
c118dd06 | 5993 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5994 | |
dbc4e1c1 JB |
5995 | if (icon_pixmap) |
5996 | { | |
5997 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
5998 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
5999 | } | |
6000 | else | |
6001 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 6002 | |
16bd92ea | 6003 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
6004 | } |
6005 | ||
f676886a JB |
6006 | x_wm_set_icon_position (f, icon_x, icon_y) |
6007 | struct frame *f; | |
dc6f92b8 JB |
6008 | int icon_x, icon_y; |
6009 | { | |
c118dd06 | 6010 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 6011 | |
16bd92ea JB |
6012 | f->display.x->wm_hints.flags |= IconPositionHint; |
6013 | f->display.x->wm_hints.icon_x = icon_x; | |
6014 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 6015 | |
16bd92ea | 6016 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
6017 | } |
6018 | ||
6019 | \f | |
f451eb13 JB |
6020 | /* Initialization. */ |
6021 | ||
3afe33e7 RS |
6022 | #ifdef USE_X_TOOLKIT |
6023 | static XrmOptionDescRec emacs_options[] = { | |
6024 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
6025 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
6026 | ||
6027 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
6028 | XrmoptionSepArg, NULL}, | |
6029 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
6030 | ||
6031 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
6032 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
6033 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
6034 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
6035 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
6036 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
6037 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
6038 | }; | |
6039 | #endif /* USE_X_TOOLKIT */ | |
6040 | ||
dc6f92b8 | 6041 | void |
1f8255f2 | 6042 | x_term_init (display_name, xrm_option, resource_name) |
dc6f92b8 | 6043 | char *display_name; |
1f8255f2 RS |
6044 | char *xrm_option; |
6045 | char *resource_name; | |
dc6f92b8 | 6046 | { |
f676886a | 6047 | Lisp_Object frame; |
dc6f92b8 | 6048 | char *defaultvalue; |
3afe33e7 RS |
6049 | int argc = 0; |
6050 | char** argv = 0; | |
041b69ac | 6051 | #ifndef F_SETOWN_BUG |
dc6f92b8 JB |
6052 | #ifdef F_SETOWN |
6053 | extern int old_fcntl_owner; | |
c118dd06 | 6054 | #endif /* ! defined (F_SETOWN) */ |
041b69ac | 6055 | #endif /* F_SETOWN_BUG */ |
6d4238f3 | 6056 | |
f676886a | 6057 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 | 6058 | |
3afe33e7 | 6059 | #ifdef USE_X_TOOLKIT |
1f8255f2 RS |
6060 | argv = (char **) XtMalloc (7 * sizeof (char *)); |
6061 | argv[0] = ""; | |
6062 | argv[1] = "-display"; | |
6063 | argv[2] = display_name; | |
6064 | argv[3] = "-name"; | |
6065 | /* Usually `emacs', but not always. */ | |
6066 | argv[4] = resource_name; | |
c2df547c | 6067 | argc = 5; |
1f8255f2 RS |
6068 | if (xrm_option) |
6069 | { | |
6070 | argv[argc++] = "-xrm"; | |
6071 | argv[argc++] = xrm_option; | |
6072 | } | |
3afe33e7 | 6073 | Xt_app_shell = XtAppInitialize (&Xt_app_con, "Emacs", |
bc20ebbf | 6074 | emacs_options, XtNumber (emacs_options), |
3afe33e7 RS |
6075 | &argc, argv, |
6076 | NULL, NULL, 0); | |
983f76b8 | 6077 | XtFree ((char *)argv); |
3afe33e7 RS |
6078 | x_current_display = XtDisplay (Xt_app_shell); |
6079 | ||
6080 | #else /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 6081 | x_current_display = XOpenDisplay (display_name); |
3afe33e7 | 6082 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 6083 | if (x_current_display == 0) |
041b69ac JB |
6084 | fatal ("X server %s not responding.\n\ |
6085 | Check the DISPLAY environment variable or use \"-d\"\n", | |
dc6f92b8 JB |
6086 | display_name); |
6087 | ||
6088 | #ifdef HAVE_X11 | |
6089 | { | |
dc6f92b8 JB |
6090 | #if 0 |
6091 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 6092 | #endif /* ! 0 */ |
8c86eccd | 6093 | hostname = get_system_name (); |
59653951 | 6094 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
6095 | + strlen (hostname) |
6096 | + 2); | |
59653951 | 6097 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 6098 | } |
28430d3c JB |
6099 | |
6100 | /* Figure out which modifier bits mean what. */ | |
6101 | x_find_modifier_meanings (); | |
f451eb13 | 6102 | |
ab648270 | 6103 | /* Get the scroll bar cursor. */ |
d56a553a RS |
6104 | x_vertical_scroll_bar_cursor |
6105 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 6106 | |
d56a553a | 6107 | #if 0 |
28430d3c JB |
6108 | /* Watch for PropertyNotify events on the root window; we use them |
6109 | to figure out when to invalidate our cache of the cut buffers. */ | |
6110 | x_watch_cut_buffer_cache (); | |
d56a553a | 6111 | #endif |
28430d3c | 6112 | |
a4fc7360 | 6113 | if (ConnectionNumber (x_current_display) != 0) |
61c3ce62 RS |
6114 | change_keyboard_wait_descriptor (ConnectionNumber (x_current_display)); |
6115 | change_input_fd (ConnectionNumber (x_current_display)); | |
6d4238f3 | 6116 | |
c118dd06 | 6117 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 6118 | |
041b69ac | 6119 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 6120 | #ifdef F_SETOWN |
61c3ce62 | 6121 | old_fcntl_owner = fcntl (ConnectionNumber (x_current_display), F_GETOWN, 0); |
dc6f92b8 | 6122 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 RS |
6123 | /* stdin is a socket here */ |
6124 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, -getpid ()); | |
c118dd06 | 6125 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
61c3ce62 | 6126 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, getpid ()); |
c118dd06 JB |
6127 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
6128 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 6129 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
6130 | |
6131 | #ifdef SIGIO | |
6132 | init_sigio (); | |
c118dd06 | 6133 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 6134 | |
dc6f92b8 JB |
6135 | expose_all_windows = 0; |
6136 | ||
f676886a | 6137 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
6138 | clear_end_of_line_hook = XTclear_end_of_line; |
6139 | ins_del_lines_hook = XTins_del_lines; | |
6140 | change_line_highlight_hook = XTchange_line_highlight; | |
6141 | insert_glyphs_hook = XTinsert_glyphs; | |
6142 | write_glyphs_hook = XTwrite_glyphs; | |
6143 | delete_glyphs_hook = XTdelete_glyphs; | |
6144 | ring_bell_hook = XTring_bell; | |
6145 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
6146 | set_terminal_modes_hook = XTset_terminal_modes; | |
6147 | update_begin_hook = XTupdate_begin; | |
6148 | update_end_hook = XTupdate_end; | |
6149 | set_terminal_window_hook = XTset_terminal_window; | |
6150 | read_socket_hook = XTread_socket; | |
b8009dd1 | 6151 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
6152 | cursor_to_hook = XTcursor_to; |
6153 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 6154 | mouse_position_hook = XTmouse_position; |
f451eb13 | 6155 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 6156 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
6157 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
6158 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
6159 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
6160 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 6161 | |
f676886a | 6162 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
6163 | char_ins_del_ok = 0; /* just as fast to write the line */ |
6164 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
6165 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 6166 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
6167 | off the bottom */ |
6168 | baud_rate = 19200; | |
6169 | ||
b30b24cb RS |
6170 | /* Try to use interrupt input; if we can't, then start polling. */ |
6171 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
6172 | ||
c118dd06 JB |
6173 | /* Note that there is no real way portable across R3/R4 to get the |
6174 | original error handler. */ | |
6175 | XHandleError (x_error_quitter); | |
8922af5f | 6176 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
6177 | |
6178 | /* Disable Window Change signals; they are handled by X events. */ | |
6179 | #ifdef SIGWINCH | |
6180 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 6181 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 6182 | |
c118dd06 | 6183 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 6184 | } |
55123275 JB |
6185 | |
6186 | void | |
6187 | syms_of_xterm () | |
6188 | { | |
ab648270 | 6189 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 6190 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
6191 | staticpro (&mouse_face_window); |
6192 | mouse_face_window = Qnil; | |
55123275 | 6193 | } |
c118dd06 JB |
6194 | #endif /* ! defined (HAVE_X11) */ |
6195 | #endif /* ! defined (HAVE_X_WINDOWS) */ |